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1553 Commits
0.0.90 ... 1.5.3

Author SHA1 Message Date
DRC
bf6c774305 Fix whitespace errors 2017-12-13 21:48:54 -06:00
DRC
c308d43416 jpeg_crop_scanlines: Handle gray images w/ samp!=1 
Since the sampling factor has no meaning for single-component images,
the decompressor ignores it, and jpeg_crop_scanlines() should as well.

Fixes #195
 2017-12-06 11:59:04 -06:00
DRC
773040f9d9 Fix lib state when skipping to end of 1-scan image 
If jpeg_skip_scanlines() is used to skip to the end of a single-scan
image, then we need to change the library state such that subsequent
calls to jpeg_consume_input() will return JPEG_REACHED_EOI rather than
JPEG_SUSPENDED.  (NOTE: not necessary for multi-scan images, since the
scans are processed prior to any call to jpeg_skip_scanlines().)

Unless I miss my guess, using jpeg_skip_scanlines() in this manner
will prevent any markers at the end of the JPEG image from being
read, but I don't think there is any way around that without actually
reading the data, which would defeat the purpose of
jpeg_skip_scanlines().

Fixes #194
 2017-12-05 16:08:01 -06:00
DRC
a831b5a986 Travis: Work around xcode7.3 image bug 
Refer to travis-ci/travis-ci#8552.  This was supposed to be fixed on
November 15, then on November 28.  Travis blew through both deadlines,
so I have no confidence that the issue will be fixed as promised in a
timely manner.  Adding 'brew update' to .travis.yml slows the OS X
build, but there is no choice at the moment.
 2017-11-29 14:23:31 -06:00
DRC
19b393b624 TJExample: Fix array index OOB w/ 4:1:1 JPEG input 2017-11-17 18:45:08 -06:00
DRC
9d9d8fe658 Code formatting tweaks 2017-11-17 18:39:53 -06:00
DRC
78e97e38cb Uniquify tjbenchtest log file names based on args 
+ clean up log files when 'make testclean' is invoked
+ fix 'tjbenchtest -yuv -alloc'
+ fix tjexampletest so that it creates images under /tmp
+ clean up tjexampletest
 2017-11-17 18:39:53 -06:00
DRC
468f2fed27 TJExample.java: Don't ignore mistyped args 2017-11-17 18:39:48 -06:00
DRC
5abf2536f6 Doc tweak: TJFLAG_ACCURATEDCT is the first flag 2017-11-14 16:12:13 -06:00
DRC
5fce2e9421 tjbench.exe: Fix decompression access violation 
The program crashed when a JPEG image was passed on the command line,
because we were mixing our metaphors vis-a-vis malloc()/free() and
tjAlloc()/tjFree() (malloc()/free() uses the tjbench.exe heap,
whereas tjAlloc()/tjFree() uses the turbojpeg.dll heap.)
 2017-11-14 15:41:30 -06:00
DRC
907dd683a4 ChangeLog.md: buglet 2017-11-13 21:46:07 -06:00
DRC
f008876cc1 Build: Fix make dist 
Broken by previous commit
 2017-11-13 21:24:05 -06:00
DRC
5bc43c7821 Further partial image decompression fixes 
- Referring to 073b0e88a1 and #185, the
  reason why BMP and RLE didn't (and won't) work with partial image
  decompression is that the output engines for both formats maintain a
  whole-image buffer, which is used to reverse the order of scanlines.
  However, it was straightforward to add -crop support for GIF and
  Targa, which is useful for testing partial image decompression along
  with color quantization.
- Such testing reproduced a bug reported by Mozilla (refer to PR #182)
  whereby jpeg_skip_scanlines() would segfault if color quantization was
  enabled.  To fix this issue, read_and_discard_scanlines() now sets up
  a dummy quantize function in the same manner that it sets up a dummy
  color conversion function.

Closes #182
 2017-11-13 21:01:53 -06:00
DRC
f3ad13e3d8 TJBench/TJUnitTest: Don't ignore mistyped args 2017-11-13 16:00:35 -06:00
DRC
94e152b186 TurboJPEG C: Code formatting tweaks 2017-11-13 15:14:12 -06:00
DRC
073b0e88a1 djpeg -crop: Exit gracefully with non-PPM formats 
... and document that only PPM/PGM output images are supported with the
-crop option for the moment.

I investigated the possibility of supporting -crop with -bmp, but even
after resetting the buffer dimensions, I still kept getting virtual
array access errors.  It seems that doing this the "right way" would
require creating a re-initialization function for each image format's
destination manager.  I'm disinclined to do that right now, given that
this feature was Google's baby (developed as a prerequisite for
including libjpeg-turbo in Android), and the -crop option in djpeg is
intended only as an example of how to use the partial image
decompression API.  Real-world applications would need to handle this
in their own destination managers.

It would probably be possible to make this work with Targa by employing
a similar hack to the one we used with PPM, but Targa isn't popular
enough to bother.

Fixes #185
 2017-11-08 21:30:19 -06:00
DRC
1b385f37f3 Prevent "unmappable character" error in Java build 
This was causing the build to fail when rebuilding libjpeg-turbo from
a source RPM.
 2017-09-20 17:05:15 +00:00
DRC
fd778bba46 Fix PowerPC 32-bit RPM build 2017-09-20 16:43:27 +00:00
DRC
8d403aeb6a Fix 32-bit RPM build w/ newer RHEL/Fedora releases 
The version of RPM on RHEL 5 and older platforms defines _libdir
as %{_exec_prefix}/%{_lib}, so defining _lib in the spec file redefined
_libdir.  However, newer versions of RPM (probably >= 4.6, since that
was the version that introduced the ISA macros) define _libdir as either
%{_prefix}/lib or %{_prefix}/lib64.  Thus, we need to explicitly
override _libdir in our spec file.
 2017-09-19 23:15:46 +00:00
DRC
01b74c101e Packaging: Use parallel make when rebuilding SRPM 2017-09-11 10:06:22 -05:00
DRC
db0dec3c5a Travis: Limit parallel make jobs to # of CPU cores 
This tends to be faster than 'make -j', since it is making more wise
use of the available resources.
 2017-09-11 09:48:33 -05:00
nyg
ba6e9d8a11 wrjpgcom: Fix comment typo 
Comment was copied/pasted from skip_variable() without making the
necessary modifications.
 2017-09-05 11:23:56 -05:00
DRC
5426a4cb16 TJUnitTest: Usage formatting tweaks 2017-09-02 04:08:06 +00:00
DRC
d0bac69a8a Java: Fix TJUnitTest on big endian platforms 
It is necessary for the C code to be aware of the machine's endianness,
which is why the TurboJPEG Java wrapper sets a different pixel format
for integer BufferedImages depending on ByteOrder.nativeOrder().
However, it isn't necessary to handle endianness in pure Java code such
as TJUnitTest (d'oh!)  This was a product of porting the C version of
TJUnitTest too literally, and of insufficient testing (historically,
the big endian systems I had available for testing didn't have Java.)
 2017-09-02 03:47:56 +00:00
DRC
59322e0973 Build: Change ppc64le DEB arch to ppc64el 
This is the convention among Debian-based distros.
 2017-09-01 21:57:48 +00:00
DRC
4ded4dfac6 Build: Fix AltiVec detection on OS X Leopard 
The ability to directly access elements of an AltiVec vector is
apparently a more recent thing.
 2017-09-01 09:01:00 -05:00
DRC
02fa8f244e Fix build on PowerPC SPE systems 
SPE systems don't support AltiVec instructions.

Fixes #172
 2017-08-31 20:32:48 -05:00
DRC
32120054c2 Java: Fix NullPointerException in YUVImage 
planes == null is a valid argument to setBuf() if alloc == true, so we
need to make sure that planes is non-null before validating its length.
We also need to allocate one dimension of the planes array if it's null.

Fixes #168
 2017-08-14 11:46:26 -05:00
DRC
1478361204 Bump version to 1.5.3 to prepare for new commits 2017-08-14 11:20:19 -05:00
DRC
e5c1613ccd x86: Fix "short jump is out of range" w/ NASM<2.04 2017-07-07 15:28:49 -05:00
DRC
b0971e47d7 TurboJPEG: Document xform issue w/ big marker data 
If the source image for a transform operation has a lot of EXIF or ICC
data embedded in it, then it may cause the output image size to exceed
the worst-case size returned by tjBufSize() (because tjTransform()
transfers all markers to the output image.)  This is only a problem if
TJFLAG_NOREALLOC is passed to the function.  Since the TurboJPEG C API
doesn't require the destination image size to be set in this case, it
makes the documented assumption that the calling program has allocated
the destination buffer to exactly the size returned by tjBufSize().
Changing this assumption would change the API behavior and necessitate
a new function name (tjTransform2().)  At the moment, it's easier to
just document this as a known issue, since it's easy to work around in
the C API.

The Java API is unfortunately a different story, since it must always
use TJFLAG_NOREALLOC (because, when using the TurboJPEG Java API, all
buffers are allocated on the Java heap, and thus they can't be
reallocated by the C code.)  There is no easy way to work around this
without changing the C API as discussed above, because if the source
image contains large amounts of marker data, it's virtually impossible
to determine how big the output image will be.
 2017-06-28 15:22:33 -05:00
DRC
e248d430e2 Java TJBench: Fix parsing of -warmup argument 
Due to an oversight, this wasn't included in
1db1ce45da.
 2017-06-28 15:22:32 -05:00
DRC
acb634931a Build: Disable warmup in TJBench regression tests 
Fixes slow-down in 'make test' caused by previous commit.
 2017-06-28 15:19:53 -05:00
DRC
1db1ce45da TJBench: Improve consistency of results 
Given that libjpeg-turbo can often process hundreds of megapixels/second
on modern hardware, the default of one warmup iteration was essentially
meaningless.  Furthermore, the -warmup option was a bit clunky, since
it required some foreknowledge of how fast the benchmarks were going to
execute.

This commit introduces a 1-second warmup interval for each benchmark by
default, and the -warmup option has been retasked to control the length
of that interval.
 2017-06-27 14:28:43 -05:00
DRC
d0c3aa900b TurboJPEG: C API documentation buglet 
TJFLAG_NOREALLOC, tjAlloc(), and tjFree() apply to all TurboJPEG
compression functions, not just tjCompress2().
 2017-06-27 11:49:38 -05:00
DRC
6a2b067428 TJBench: Code formatting tweaks 
Spaces-->tab + remove stray control character that was introduced in
95e4cb2060
 2017-06-26 21:15:15 -05:00
DRC
11eec4a398 TJBench: Fix errors when decomp. files w/ ICC data 
Embedded ICC profiles can cause the size of a JPEG file to exceed the
size returned by tjBufSize() (which is really meant to be used for
compression anyhow, not for decompression), and this was causing a
segfault (C) or an ArrayIndexOutOfBoundsException (Java) when
decompressing such files with TJBench.  This commit modifies the
benchmark such that, when tiled decompression is disabled, it re-uses
the source buffer as the primary JPEG buffer.
 2017-06-26 21:12:40 -05:00
DRC
301ba4f305 BUILDING.md: Include Android/x86 build recipes 
Addresses a concern raised in #155.
 2017-06-26 21:12:33 -05:00
DRC
70f236ddd7 Travis: Fix OS X build 
The Travis xcode7.3 image now apparently includes GnuPG 1.4.x by
default, so use it instead of installing GnuPG 2.  Using GnuPG 2.1.x,
the default version in Homebrew as of this writing, is problematic for
this reason:
https://wiki.archlinux.org/index.php/GnuPG#Unattended_passphrase
 2017-05-08 14:42:52 -05:00
DRC
2a4f189444 Restore compatibility with older autoconf releases 
(broken by f06cc1200f)

Fixes #149
 2017-05-05 20:45:40 -05:00
DRC
9d64f3c60b Attribute ARM runtime detection code to Nokia 
This code was submitted in the initial ARM NEON patches
(https://sourceforge.net/p/libjpeg-turbo/patches/7/) by Siarhei while he
was still a Nokia employee.
 2017-04-24 14:42:58 -05:00
DRC
da2a27ef05 Honor max_memory_to_use/JPEGMEM/-maxmemory 
This re-introduces a feature of the obsolete system-specific libjpeg
memory managers-- namely the ability to limit the amount of main memory
used by the library during decompression or multi-pass compression.
This is mainly beneficial for two reasons:

- Works around a 2 GB limit in libFuzzer
- Allows security-sensitive applications to set a memory limit for the
  JPEG decoder so as to work around the progressive JPEG exploit
  (LJT-01-004) described here:
  http://www.libjpeg-turbo.org/pmwiki/uploads/About/TwoIssueswiththeJPEGStandard.pdf

This commit also removes obsolete documentation regarding the MS-DOS
memory manager (which itself was removed long ago) and changes the
documentation of the -maxmemory switch and JPEGMEM environment variable
to reflect the fact that backing stores are never used in libjpeg-turbo.

Inspired by:
066fee2e7d

Closes #143
 2017-03-18 17:42:34 -05:00
DRC
c082dc039d AppVeyor: Fix CI build 
Something changed in the CI build environment, and our previous trick of
setting the Git URL to file://c:/projects/libjpeg-turbo no longer works.
Using cygpath to translate the Windows path to a MinGW-friendly format
is a better solution anyhow.
 2017-03-18 13:25:30 -05:00
DRC
d4c41fe0da TurboJPEG: Fix potential memory leaks 
Referring to https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=746,
it seems that the values of local buffer pointers in TurboJPEG API
functions aren't always preserved if longjmp() returns control to a
point prior to the allocation of the local buffers.  This is known to
be an issue with GCC 4.x and clang with -O1 and higher optimization
levels but not with GCC 5.x and later.  It is unknown why GCC 5.x and
6.x do not suffer from the issue, but possibly the local buffer pointers
are not allocated on the stack when using those more recent compilers.

In any case, this commit modifies the TurboJPEG API library code such
that the jump buffer is always updated after any local buffer pointers
are allocated but before any subsequent libjpeg API functions are
called.
 2017-03-18 13:12:17 -05:00
DRC
a0b7de9a47 Always tweak EXIF w/h tags w/ lossless transforms 
... even if using libjpeg v6b emulation.  Previously
adjust_exif_parameters() was only called with libjpeg v7/v8 emulation,
but due to a bug (which this commit also fixes), it only worked properly
with libjpeg v8 emulation.
 2017-01-19 19:00:27 -06:00
DRC
2252795571 Fix error w/ lossless crop & libjpeg v7 emulation 
The JPEG_LIB_VERSION #ifdef in jtransform_adjust_parameters() was
incorrect, which caused a "Bogus virtual array access" error when
attempting to use the lossless crop feature.

Introduced in c04bd3cc97.

This also adds libjpeg v7 API/ABI emulation to the Travis CI tests.
 2017-01-19 18:41:13 -06:00
DRC
eb38b61bfe Include jpeg_skip/crop_scanlines() in jpeg7.dll 
... when the in-memory source/destination managers are included.
Oversight in 306e1d2d77 and
3ab68cf563.
 2017-01-19 16:44:10 -06:00
DRC
47b29e8cd9 libjpeg.txt: Include partial decomp. in TOC 
(oversight)
 2017-01-19 15:36:58 -06:00
DRC
e1e816e665 Slightly de-confusify cjpeg, jpegtran usage info 
+ bump copyright year
 2017-01-19 15:35:54 -06:00
DRC
6441018150 LICENSE.md: Include text of BSD/zlib licenses 
LICENSE.md is included in the binary distributions as well, so it
doesn't make much sense to refer to license headers in source files that
aren't necessarily going to be there.
 2016-12-10 09:32:23 -06:00
DRC
fcfc6c5eed Fix build when CFLAGS contains -std=c89 (or -ansi) 
This is a subtle point, but AC_C_INLINE defines "inline" to be either
"inline", "__inline__", or "__inline".  The subsequent test for
"inline __attribute__((always_inline))" uses this definition.  The
attribute is irrespective of the inline keyword, so whereas
"__inline__ __attribute__((always_inline))" works under C89,
"inline __attribute__((always_inline))" doesn't, and defining INLINE to
the latter causes the build to fail.  The easiest way around this is
simply to define "inline" ahead of "INLINE" in jconfigint.h,
which causes the inline keyword detected by AC_C_INLINE to modify the
INLINE macro if necessary.
 2016-12-05 14:02:59 -06:00
DRC
786b649331 Reorg AltiVec detection code 
+ advertise that full AltiVec SIMD acceleration is now available on
OpenBSD.

The relevant compilers probably all support C99 or GNU's variation of
C90 that allows variables to be declared anywhere, but our policy is to
conform to the C90 standard, if for no other reason than that it
improves code readability.
 2016-12-05 13:14:19 -06:00
Donovan Watteau
f4ba09b33a Detect AltiVec support on OpenBSD 2016-12-05 12:35:15 -06:00
Colin Cross
0f4fcced0a Fix sign mismatch comparison warnings 
Fixes:
rdppm.c:257:14: warning: comparison of integers of different signs: 'int' and 'unsigned int' [-Wsign-compare]
    if (temp > maxval)
        ~~~~ ^ ~~~~~~
rdppm.c:284:14: warning: comparison of integers of different signs: 'int' and 'unsigned int' [-Wsign-compare]
    if (temp > maxval)
        ~~~~ ^ ~~~~~~
rdppm.c:289:14: warning: comparison of integers of different signs: 'int' and 'unsigned int' [-Wsign-compare]
    if (temp > maxval)
        ~~~~ ^ ~~~~~~
rdppm.c:294:14: warning: comparison of integers of different signs: 'int' and 'unsigned int' [-Wsign-compare]
    if (temp > maxval)
 2016-12-03 15:30:59 -06:00
DRC
82bf7f5858 Fix md5cmp on AmigaOS 4 (PowerPC big-endian) 
+ Document AmigaOS support in the change log.

Based on:
b4f3b75797

Closes #119
 2016-12-01 18:23:32 -06:00
DRC
3582ce90bb Travis: Use xcode7.3 image 
The xcode7.2 image is verfallen, verlumpt, verblunget, verkackt

This also ensures that the build scripts are checked out from a
branch matching the libjpeg-turbo repository branch (not strictly
necessary when building from master, but it keeps the code in sync with
dev.)
 2016-12-01 01:58:34 -06:00
DRC
d6d7b53968 AppVeyor: Use built-in MSYS2 MinGW compilers 
AppVeyor already has MinGW32 and MinGW64 flavors of GCC 5.3.0
installed under MSYS2, so there is no need to install our own builds of
MinGW.  MinGW-builds is no longer an active project, and we were getting
occasional timeouts while wgetting those files from SourceForge.
Furthermore, GCC 5.3.0 should produce faster code than GCC 4.8.1.
 2016-11-21 23:10:02 -06:00
DRC
f9f0c75bb8 BUILDING.md: Clarifications and wordsmithing 
Updated out-of-date information, wordsmithed and clarified many
sections, and generally cleaned up the build recipes (including a
complete overhaul of the iOS recipes.)
 2016-11-20 21:47:46 -06:00
DRC
3da94de248 Windows build: Add an "uninstall" target 2016-11-20 19:10:54 -06:00
DRC
ab664e35fc BUILDING.md/README.md: Increment libjpeg SO age 
Documentation buglet.  This should have been changed in
6ed4d9d110 to reflect the addition of
libjpeg API functions in libjpeg-turbo 1.5.
 2016-11-20 16:22:23 -06:00
DRC
ce26e83f47 README.md: Don't use trailing spaces as line break 
Makes it easier to maintain this file using editors that automatically
remove trailing spaces.
 2016-11-20 16:22:23 -06:00
DRC
74e4c793cd TJBench: Fix regression/-nowrite always enabled 
Introduced by eb59b6e72d
 2016-11-20 16:22:23 -06:00
DRC
a280fa630c BUILDING.md: Don't use trailing spaces as line break 
Makes it easier to maintain this file using editors that automatically
remove trailing spaces.
 2016-11-20 16:22:23 -06:00
DRC
6aae007745 CMake build system: Fix the "testclean" target 
Regression caused by f9134384b7

This commit also makes the "testclean" target clean up the 4:1:1 test
images.  This was implemented in the autotools build system in
1f3635c496 but was left out of the CMake
build system due to an oversight.
 2016-11-20 16:22:23 -06:00
Chris Young
4ad94b2963 Detect AltiVec support on AmigaOS 4 2016-11-18 13:03:28 -06:00
DRC
2d4b2f14d0 Travis: Deploy to S3 rather than SourceForge 
This has the following advantages:
-- It doesn't require checking a private SSH key into the repository.
(With SourceForge, an SSH key is the "keys to the kingdom".)
-- If the S3 key is compromised, it is very easy to revoke it and
generate a new one.
-- The S3 bucket is isolated, so even if it becomes compromised, then
the damage that one could do is limited.
-- It's much easier to manage files through S3's web interface than
through SourceForge.
-- The files are served via HTTPS.
-- Travis fully supports S3 as a deployment target, so this simplifies
.travis.yml somewhat.
 2016-10-20 18:17:15 -05:00
DRC
9366cf0bca Travis: GPG sign Linux binaries/source tarballs 
Since we're still deploying our Linux/macOS CI artifacts to a web server
(specifically SourceForge Project Web Services) that doesn't support
HTTPS, it's a good idea to sign them.  But since the private key has to
be checked into the repository, we use a different key for signing the
pre-releases (per project policy, the private signing keys for our
release binaries are never made available on any public server.)
 2016-10-20 01:13:11 -05:00
DRC
13e6b151b0 Win: Use YASM if it is in the PATH and NASM isn't 
Previously, simd/CMakeLists.txt was hard-coded to use NASM, and it was
necessary to override the NASM variable in order to use YASM.  This
commit changes the behavior such that NASM is still preferred, but YASM
will be used if it is in the PATH and NASM isn't available.  This brings
the actual behavior in line with the behavior described in BUILDING.md.

Based on
b0799a1598

Closes #107
 2016-10-11 11:58:20 -05:00
DRC
1ee329d617 Travis: Fix deployment issue (2nd attempt) 2016-10-07 12:54:55 -05:00
DRC
b47c5e737f Travis: Fix deployment issue 
"Skipping a deployment with the script provider because this branch is
not permitted"
 2016-10-07 05:34:33 -05:00
DRC
ce262eb5d7 Fix AppVeyor build on non-master branches 
buildljt will clone the Git repository into the temp. directory, even if
the repository is really a local sandbox, so we need to specify the
branch.
 2016-10-07 05:20:26 -05:00
DRC
27f817cd11 Travis: Use existing sandbox for official builds 
This eliminates the need to specify the remote repository and branch,
and it prevents the code from being checked out twice.
 2016-10-07 05:09:16 -05:00
DRC
0df2e2188b Add AppVeyor config for Windows pre-release builds 2016-10-07 04:29:37 -05:00
DRC
6d22430a3a Travis: use correct repo/branch for off. builds 
Pass the actual repository and branch that Travis is using into the
builtljt script, so the official builds it generates will come from
the same code base as the other tested builds.
 2016-10-05 14:36:46 -05:00
DRC
e9e3a2edd7 Travis CI: Use correct key for this repository 2016-10-05 12:38:59 -05:00
DRC
211c69f317 Add Travis CI config for Un*x pre-release builds 2016-10-05 12:33:28 -05:00
DRC
1625253d49 Fix 32-bit non-SIMD FP regression tests 
- Introduce a new FLOATTEST value ("387") on Un*x systems that will
  compare the floating point DCT/IDCT algorithms against the expected
  results from the C algorithms when built using 32-bit code and
  -mfpmath=387.
- Extend the Windows regression tests so that they work properly when
  building libjpeg-turbo with 32-bit code and without SIMD, using either
  Visual C++ (tested with 2008, 2010, 2015) or MinGW.
 2016-10-04 13:55:00 -05:00
DRC
a0047bdea4 Fix broken build w/ Visual C++ < 2010 
Regression introduced by dfefba7752
(Windows doesn't always have stdint.h.)
 2016-10-04 13:25:34 -05:00
DRC
7bfb22af12 Fix broken MIPS build 
Regression introduced by 9055fb408d

Fixes #104
 2016-09-26 18:01:54 -05:00
DRC
ac4a899511 Fix UBSan warning in arithmetic decoder 
Very similar to the ones that were fixed in the Huffman decoders in
8e9cef2e6f.  These are innocuous.

Refer to https://bugzilla.mozilla.org/show_bug.cgi?id=1304567.
 2016-09-22 14:40:41 -05:00
DRC
dfefba7752 Fix broken build with NDK platforms < android-21 
Regression introduced by a09ba29a55

Fixes #103
 2016-09-22 14:22:45 -05:00
DRC
4cf67f2363 Bump version to 1.5.2 to prepare for new commits 2016-09-22 14:14:05 -05:00
Roberto Civille Rodrigues
9407cf7f47 README.md: Fix typo 
Introduced in 17de518357

Closes #102
 2016-09-22 13:39:24 -05:00
mayeut
cb88e5da80 ARM64 NEON: Fix another ABI conformance issue 
Based on
98a5a9dc89
with wordsmithing by DRC.

In the AArch64 ABI, as in many others, it's forbidden to read/store data
below the stack pointer.  Some SIMD functions were doing just that
(stack pointer misuse) when trying to preserve callee-saved registers,
and this resulted in those registers being restored with incorrect
contents under certain circumstances.

This patch fixes that behavior, and callee-saved registers are now
stored above the stack pointer throughout the function call.  The patch
also removes register saving in places where it is unnecessary for this
ABI, or it makes use of unused scratch regiters instead of callee-saved
registers.

Fixes #97.  Closes #101.

Refer also to https://bugzilla.redhat.com/show_bug.cgi?id=1368569
 2016-09-20 17:38:39 -05:00
DRC
e9d9c31fd2 Build: Remove ARMv6 support from 'make iosdmg' 
The last iDevice to require ARMv6 was the iPhone 3G, which required iOS
4.2.1 or older.  Our binaries have always required iOS 4.3 or newer,
so I'm not sure if the ARMv6 fork of our binaries was ever useful to
begin with.  In any case, if it ever was useful, it no longer is.  Fat
binaries can still be generated with ARMv6 support by invoking
{build_directory}/pkgscripts/makemacpkg manually.
 2016-09-20 11:29:22 -05:00
DRC
077e5bb4e0 Fix out-of-bounds write in partial decomp. feature 
Reported by Clang UBSan (refer to
https://bugzilla.mozilla.org/show_bug.cgi?id=1301252 for test image.)
This appears to be a legitimate bug introduced by
3ab68cf563.  Any component array, such
as first_MCU_col and last_MCU_col, should always be able to accommodate
MAX_COMPONENTS values.  The aforementioned test image had 8 components,
which was not enough to make the out-of-bounds write bust out of the
jpeg_decomp_master struct (and fortunately the memory after last_MCU_col
is an integer used as a boolean, so stomping on it will do nothing other
than change the decoder state.)  I crafted another special image that
has 10 components (the maximum allowable), but that was apparently not
enough to bust out of the allocated memory, either.  Thus, it is
posited that the security threat posed by this bug is either extremely
minimal or non-existent.
 2016-09-08 22:01:09 -05:00
DRC
a1dd35680d Silence additional UBSan warnings 
NOTE: The jdhuff.c/jdphuff.c warnings should have already been silenced
by 8e9cef2e6f, but apparently I need to
be REALLY clear that I'm trying to do pointer arithmetic rather than
dereference an array.  Grrr...

Refer to:
https://bugzilla.mozilla.org/show_bug.cgi?id=1301250
https://bugzilla.mozilla.org/show_bug.cgi?id=1301256
 2016-09-08 21:29:58 -05:00
DRC
a09ba29a55 Fix unsigned int overflow in libjpeg memory mgr. 
When attempting to decode a malformed JPEG image (refer to
https://bugzilla.mozilla.org/show_bug.cgi?id=1295044) with dimensions
61472 x 32800, the maximum_space variable within the
realize_virt_arrays() function will exceed the maximum value of a 32-bit
integer and will wrap around.  The memory manager subsequently fails
with an "Insufficient memory" error (case 4, in alloc_large()), so this
commit simply causes that error to be triggered earlier, before UBSan
has a chance to complain.

Note that this issue did not ever represent an exploitable security
threat, because the POSIX-based memory manager that we use doesn't ever
do anything meaningful with the value of maximum_space.
jpeg_mem_available() simply sets avail_mem = maximum_space, so the
subsequent behavior of the memory manager is the same regardless of
whether maximum_space is correct or not.  This commit simply removes a
UBSan warning in order to make it easier to detect actual security
issues.
 2016-09-08 16:17:05 -05:00
DRC
8ce2c9119a TurboJPEG: Decomp. 4:2:2/4:4:0 JPEGs w/unusual SFs 
Normally, 4:2:2 JPEGs have horizontal x vertical luminance,chrominance
sampling factors of 2x1,1x1, and 4:4:0 JPEGs have horizontal x vertical
luminance,chrominance sampling factors of 1x2,1x1.  However, it is
technically legal to create 4:2:2 JPEGs with sampling factors of
2x2,1x2 and 4:4:0 JPEGs with sampling factors of 2x2,2x1, since the
sums of the products of those sampling factors (2x2 + 1x2 + 1x2 and
2x2 + 2x1 + 2x1) are still <= 10.  The libjpeg API correctly decodes
such images, so the TurboJPEG API should as well.

Fixes #92
 2016-08-01 11:59:31 -05:00
DRC
db04435165 Silence pedantic GCC6 code formatting warnings 
Apparently it's "misleading" to put two self-contained if statements
on a single line.  Who knew?
 2016-07-14 13:36:47 -05:00
DRC
7723d7f7d0 Use plain upsampling if merged isn't accelerated 
Currently, this only affects ARM, since it is the only platform that
accelerates YCbCr-to-RGB conversion but not merged upsampling.  Even if
"plain" upsampling isn't accelerated, the combination of accelerated
color conversion + unaccelerated plain upsampling is still faster than
the unaccelerated merged upsampling algorithms.

Closes #81
 2016-07-13 22:06:11 -05:00
Kornel Lesiński
628c168c86 Implement h1v2 fancy upsampling 
This allows fancy upsampling to be used when decompressing 4:2:2 images
that have been losslessly rotated or transposed.

(docs and comments added by DRC)

Based on f63aca945d

Closes #89
 2016-07-13 17:28:19 -05:00
DRC
1120ff29a1 Fix AArch64 ABI conformance issue in SIMD code 
In the AArch64 ABI, the high (unused) DWORD of a 32-bit argument's
register is undefined, so it was incorrect to use 64-bit
instructions to transfer a JDIMENSION argument in the 64-bit NEON SIMD
functions.  The code worked thus far only because the existing compiler
optimizers weren't smart enough to do anything else with the register in
question, so the upper 32 bits happened to be all zeroes.

The latest builds of Clang/LLVM have a smarter optimizer, and under
certain circumstances, it will attempt to load-combine adjacent 32-bit
integers from one of the libjpeg structures into a single 64-bit integer
and pass that 64-bit integer as a 32-bit argument to one of the SIMD
functions (which is allowed by the ABI, since the upper 32 bits of the
32-bit argument's register are undefined.)  This caused the
libjpeg-turbo regression tests to crash.

This patch tries to use the Wn registers whenever possible.  Otherwise,
it uses a zero-extend instruction to avoid using the upper 32 bits of
the 64-bit registers, which are not guaranteed to be valid for 32-bit
arguments.

Based on 1fbae13021

Closes #91.  Refer also to android-ndk/ndk#110 and
https://llvm.org/bugs/show_bug.cgi?id=28393
 2016-07-13 14:36:19 -05:00
DRC
1945ad961b Don't install libturbojpeg.pc if TJPEG disabled 2016-07-12 22:21:20 -05:00
DRC
6e9d43e085 Linux/PPC: Only enable AltiVec if CPU supports it 
This eliminates "illegal instruction" errors when running libjpeg-turbo
under Linux on PowerPC chips that lack AltiVec support (e.g. the old
7XX/G3 models but also the newer e5500 series.)
 2016-07-07 19:02:44 +00:00
DRC
9055fb408d ARM/MIPS: Change the behavior of JSIMD_FORCE* 
The JSIMD_FORCE* environment variables previously meant "force the use
of this instruction set if it is available but others are available as
well", but that did nothing on ARM platforms, since there is only ever
one instruction set available.  Since the ARM and MIPS CPU feature
detection code is less than bulletproof, and since there is only one
SIMD instruction set (currently) supported on those platforms, it makes
sense for the JSIMD_FORCE* environment variables on those platforms to
actually force the use of the SIMD instruction set, thus bypassing the
CPU feature detection code.

This addresses a concern raised in #88 whereby parsing /proc/cpuinfo
didn't work within a QEMU environment.  This at least provides a
workaround, allowing users to force-enable or force-disable SIMD
instructions for ARM and MIPS builds of libjpeg-turbo.
 2016-07-07 13:38:48 -05:00
DRC
9e6c6a14f8 Bump version to 1.5.1 to prepare for new commits 2016-07-06 16:22:27 +00:00
DRC
3ff13e651b 1.5.0 2016-05-31 22:53:17 -05:00
DRC
1d50a8cd08 BUILDING.md: More NASM/YASM clarifications 
28d1a1300c introduced the line
"nasm.exe should be in your PATH".  This commit corrects an oversight in
8f1c0a681c /
e5091f2cf3 whereby this line should have
been extended to include yasm.exe.
 2016-05-31 22:48:52 -05:00
DRC
123f7258a8 Format copyright headers more consistently 
The IJG convention is to format copyright notices as:

Copyright (C) YYYY, Owner.

We try to maintain this convention for any code that is part of the
libjpeg API library (with the exception of preserving the copyright
notices from Cendio's code verbatim, since those predate
libjpeg-turbo.)

Note that the phrase "All Rights Reserved" is no longer necessary, since
all Buenos Aires Convention signatories signed onto the Berne Convention
in 2000.  However, our convention is to retain this phrase for any files
that have a self-contained copyright header but to leave it off of any
files that refer to another file for conditions of distribution and use.
For instance, all of the non-SIMD files in the libjpeg API library refer
to README.ijg, and the copyright message in that file contains "All
Rights Reserved", so it is unnecessary to add it to the individual
files.

The TurboJPEG code retains my preferred formatting convention for
copyright notices, which is based on that of VirtualGL (where the
TurboJPEG API originated.)
 2016-05-28 19:16:58 -05:00
DRC
e5091f2cf3 Merge branch '1.4.x' 2016-05-28 18:19:58 -05:00
DRC
8f1c0a681c BUILDING.txt: Clarify NASM build requirements 
The version requirements only apply to NASM (not YASM.)  Also, 2.11.09
was never actually released (the first release containing the OS X fix
is 2.12.)
 2016-05-28 18:16:24 -05:00
DRC
68cf83db56 Don't allow opaque source/dest mgrs to be swapped 
Calling jpeg_stdio_dest() followed by jpeg_mem_dest(), or jpeg_mem_src()
followed by jpeg_stdio_src(), is dangerous, because the existing opaque
structure would not be big enough to accommodate the new source/dest
manager.  This issue was non-obvious to libjpeg-turbo consumers, since
it was only documented in code comments.  Furthermore, the issue could
also occur if the source/dest manager was allocated by the calling
program, but it was not allocated with enough space to accommodate the
opaque stdio or memory source/dest manager structs.  The safest thing to
do is to throw an error if one of these functions is called when there
is already a source/dest manager assigned to the object and it was
allocated elsewhere.

Closes #78, #79
 2016-05-10 21:30:15 -05:00
DRC
f06cc1200f Build: Add integer version macro to jconfig.h 
This makes it significantly easier to do conditional compilation based
on the libjpeg-turbo version.

Based on:
e6d5b3e50b
1394a89ba6

Closes #80
 2016-05-10 19:36:52 -05:00
DRC
5c064de10d Build: Don't allow jpeg-7+ emul. w/o arith coding 
The jpeg-7/jpeg-8 APIs/ABIs require arithmetic coding, and the jpeg-8
API/ABI requires the memory source/destination manager, so this commit
causes the build system to ignore --with-arith-enc/--without-arith-enc
and --with-arith-dec/--without-arith-dec (and the equivalent CMake
variables-- WITH_ARITH_ENC and WITH_ARITH_DEC) when v7/v8 API/ABI
emulation is enabled.  Furthermore, the CMake build system now ignores
WITH_MEM_SRCDST whenever WITH_JPEG8 is specified (the autotools build
system already did that.)
 2016-05-09 20:00:46 -05:00
mattsarett
2e480fa2a3 ARMv7 SIMD: Fix clang compatibility (Part 2) 
GCC does support UAL syntax (strbeq) if the ".syntax unified" directive
is supplied.  This directive is supported by all versions of GCC and
clang going back to 2003, so it should not create any backward
compatibility issues.

Based on 1264349e2f

Closes #76
 2016-05-03 13:08:58 -05:00
mattsarett
5e576386b5 ARMv7 SIMD: Fix clang compatibility 
By design, clang only supports Unified Assembler Language (and not
pre-UAL syntax):
https://llvm.org/bugs/show_bug.cgi?id=23507
http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0473c/BABJIHGJ.html

Thus, clang only supports the strbeq instruction and not streqb, but
unfortunately some versions of GCC only support streqb.  Go, go
Gadget #ifdef...

Based on https://github.com/mattsarett/libjpeg-turbo/commit/a82e63aac63f8fa3
95fa4caad4de6859623ee2e2

Closes #75
 2016-05-02 12:20:10 -05:00
DRC
0d61e80ab0 Merge branch '1.4.x' 2016-05-01 12:07:05 -05:00
DRC
ee681aa304 Fix CMake fallback BUILD var on non-U.S. machines 
If wmic.exe wasn't available, then CMakeLists.txt would call
"cmd /C date /T" and parse the result in order to set the BUILD
variable.  However, the parser assumed that the date was in MM/DD/YYYY
format, which is not generally the case unless the user's locale is U.S.
English with the default region/language settings for that locale.

This commit modifies CMakeLists.txt such that it uses the
string(TIMESTAMP) function available in CMake 2.8.11 and later to set
the BUILD variable, thus eliminating the need to use wmic.exe or any
other platform-specific hack.

This commit also modifies the build instructions to remove any reference
to CMake 2.6 (which hasn't been supported by our build system since
libjpeg-turbo 1.3.x.)

Closes #74
 2016-05-01 12:02:16 -05:00
DRC
346837cad3 Merge branch '1.4.x' 2016-04-25 19:08:47 -05:00
DRC
eb7962a02b CMakeLists.txt: Clarify that Un*x isn't supported 
At one time, it was possible to use CMake to build under Cygwin, but
that hasn't worked since 1.4.1 (due to the Huffman codec changes that
now require SIZEOF_SIZE_T to be defined for non-WIN32 platforms) and may
have even been broken before that.  Originally, we used the "date"
command under MSYS in order to obtain the default build number, but that
was rendered unnecessary by 5e3bb3e9 (v1.3 beta.)  9fe22dac (1.4 beta)
further modified CMakeLists.txt so that the "date" command was only used
on Cygwin, but for unexplained reasons, that commit also applied the
(now vestigial) code to all non-WIN32 platforms.  This prevented
CMakeLists.txt from displaying an error if someone attempted to use the
CMake build system on Un*x platforms, and that may have been behind the
flurry of pull requests and issues-- including #21, #29, #37, #58, #73--
complaining that the CMake build system didn't work on Un*x platforms
(although it was not until #73 that this bug came to light.)

This commit removes all vestiges of Un*x support from the CMake build
system and makes it clear that CMake cannot be used to build
libjpeg-turbo on non-WIN32 platforms.  It is our position that CMake
will not be supported on non-WIN32 platforms until/unless the autotools
build system is removed, and this will not happen without broad support
from the community (including major O/S vendors.)  If you are in favor
of migrating the entire build system to CMake, then please make your
voice heard by commenting on #56.
 2016-04-25 19:06:16 -05:00
DRC
3c67d4f7c0 Catch libjpeg errors in tjDecompressToYUV2() 
Even though tjDecompressToYUV2() is mostly just a wrapper for
tjDecompressToYUVPlanes(), tjDecompressToYUV2() still calls
jpeg_read_header(), so it needs to properly set up the libjpeg error
handler prior to making this call.  Otherwise, under very esoteric (and
arguably incorrect) use cases, a program could call tjDecompressToYUV2()
without first checking the JPEG header using tjDecompressHeader3(), and
if the header was corrupt, then the libjpeg API would invoke
my_error_exit().  my_error_exit() would in turn call longjmp() on the
previous value of myerr->setjmp_buffer, which was probably set in a
previous TurboJPEG function, such as tjInitDecompress().  Thus, when a
libjpeg error was triggered within the body of tjDecompressToYUV2(), the
PC would jump to the error handler of the previous TurboJPEG function,
and this usually caused stack corruption in the calling program (because
the signature and return type of the previous TurboJPEG function
probably wasn't the same as that of tjDecompressToYUV2().)
 2016-04-25 17:57:59 -05:00
DRC
1959e28b49 Increase severity of tjDecompressToYUV2() bug desc 
Actually, what happened was that the longjmp() call within
my_error_exit() acted on the previous value of myerr->setjmp_buffer,
which was probably set in a previous TurboJPEG function, such as
tjInitDecompress().  Thus, when a libjpeg error was triggered within
the body of tjDecompressToYUV2(), the PC jumped to the error handler
of the previous TurboJPEG function, and this usually caused stack
corruption in the calling program (because the signature and return
type of the previous TurboJPEG function probably wasn't the same.)
 2016-04-21 10:28:19 -05:00
DRC
dec79952d6 Catch libjpeg errors in tjDecompressToYUV2() 
Even though tjDecompressToYUV2() is mostly just a wrapper for
tjDecompressToYUVPlanes(), tjDecompressToYUV2() still calls
jpeg_read_header(), so it needs to properly set up the libjpeg error
handler prior to making this call.  Otherwise, under very esoteric (and
arguably incorrect) use cases, a program can call tjDecompressToYUV2()
without first checking the JPEG header using tjDecompressHeader3(), and
if the header is corrupt, tjDecompressToYUV2() will abort without
triggering an error.

Fixes #72
 2016-04-20 11:39:51 -05:00
DRC
2628c562bc BUILDING.md: Fix "... OR ..." indentation again 
<sigh> GitHub doesn't render indented text the same as my local MarkDown
viewer (MacDown), so it's necessary to indent "... OR ..." by 3 spaces
so both will display it on the same indentation level as "Visual C++
2005 or later" and "MinGW".
 2016-04-14 14:19:19 -05:00
DRC
28d1a1300c BUILDING.md: Fix confusing Windows build reqs 
Indent "... OR ..." to make it clear that the choice is between Visual
C++ and MinGW, not Visual C++ and MinGW + NASM.  Move NASM to the top of
the list to make that even more clear.  Make it clear that nasm.exe
should be in the PATH.

Addresses concerns raised in #70
 2016-04-14 14:15:30 -05:00
DRC
1a3aebd88e Merge branch '1.4.x' 2016-03-31 10:02:44 -05:00
DRC
1e81b0c3ea cjpeg: Fix buf overrun caused by bad bin PPM input 
This extends the fix in 6709e4a0cf to
include binary PPM/PGM files, thus preventing a malformed binary
PPM/PGM input file from triggering an overrun of the rescale array and
potentially crashing cjpeg.

Note that this issue affected only cjpeg and not the underlying
libjpeg-turbo libraries, and thus it did not represent a security
threat.

Thanks to @hughdavenport for the discovery.
 2016-03-31 09:54:14 -05:00
DRC
b2817f5251 Merge branch '1.4.x' 2016-03-16 07:18:30 -05:00
DRC
6f241d4d42 Add version/build info to global string table 
This is a common practice in other infrastructure libraries, such as
OpenSSL and libpng, because it makes it easy to examine an application
binary and determine which version of the library the application was
linked against.

Closes #66
 2016-03-16 07:14:19 -05:00
DRC
1385f8b281 ChangeLog.md: Improve readability of plain text 2016-03-14 13:32:00 -05:00
DRC
742fb37dde change.log: Refer users to ChangeLog.md 
change.log is included only to document the changes that we have merged
from libjpeg.
 2016-03-13 18:28:14 -05:00
DRC
a839a7a964 Markdown version of ChangeLog.txt 
This will make it easier to crib ChangeLog information into release
notes, since both SourceForge and GitHub support MD.
 2016-03-13 18:21:56 -05:00
DRC
3f56bd597c Rename ChangeLog.txt 
... in preparation for creating a MarkDown version (Git will not
preserve history unless you rename the file prior to modifying it.)
 2016-03-13 18:21:21 -05:00
DRC
e5f280c4c4 README.md: Link to BUILDING.md 
Addresses a concern expressed in #56 and #58.
 2016-03-11 11:14:28 -06:00
DRC
4f58123130 BUILDING.md and README.md: Cosmetic tweaks 2016-03-09 17:26:47 -06:00
DRC
622d6678a8 ChangeLog: "1.5 beta1" --> "1.4.90 (1.5 beta1)" 
(for consistency with other beta release headings)
 2016-03-06 08:34:48 -06:00
DRC
b3247c7d71 Merge branch '1.4.x' 2016-03-06 08:34:00 -06:00
DRC
a572622dd6 Ensure that default Huffman tables are initialized 
This prevents a malformed motion-JPEG frame (MJPEG frames lack Huffman
tables) from causing the "fast path" of the Huffman decoder to read
uninitialized memory.  Essentially, this is doing the same thing for
MJPEG frames as 43d8cf4d45 did for regular
images.
 2016-03-06 08:29:44 -06:00
DRC
7cb8de4ae0 Java: Fix parallel make with autotools 
Running 'make -j{jobs}' on a build that was configured with Java
(--with-java) would previously cause an error:

    make: *** No rule to make target `TJExample.class', needed by
        `turbojpeg.jar'.

It seems that parallel make doesn't understand that the files in
$(JAVA_CLASSES) are all generated from the same invocation of javac, so
it tries to parallelize the building of those files (which of course
doesn't work.)  This patch instead makes turbojpeg.jar depend on
classnoinst.stamp.  This effectively creates a synchronization fence,
since that file is only created when all of the class files have been
built.

Fixes #62
 2016-03-02 09:59:50 -06:00
DRC
056536f660 Win/x64: Fix improper callee save of xmm8-xmm11 
The x86-64 SIMD accelerations for Huffman encoding used incorrect
stack math to save xmm8-xmm11 on Windows.  This caused TJBench to
always report 1 Mpixel/sec for the compression performance, and it
likely would have caused other application issues as well.
 2016-02-29 17:46:34 -06:00
DRC
7c202f76e7 Bump TurboJPEG C API revision to 1.5 
The changes relative to 1.4.x are only cosmetic (using const pointers)
and should not affect API/ABI compatibility, but our practice is to
synchronize the API revision with the most recent release that provides
user-visible changes to the API.
 2016-02-29 13:21:12 -06:00
DRC
fa722636be ChangeLog: Mention jpeg_crop_scanline() function 2016-02-29 12:06:56 -06:00
DRC
2354810a43 1.5 beta1 2016-02-29 11:54:42 -06:00
DRC
45c1e3a887 Merge branch '1.4.x' 2016-02-25 17:15:44 -06:00
mayeut
f57bae0ddd Fix memory leak when running tjunittest -yuv 
Closes #61
 2016-02-25 17:14:56 -06:00
DRC
025c1f66de Fix v7/v8-compatible build 
Broken by 3ab68cf563

Fixes #60
 2016-02-22 10:01:16 -06:00
DRC
3ab68cf563 libjpeg API: Partial scanline decompression 
This, in combination with the existing jpeg_skip_scanlines() function,
provides the ability to crop the image both horizontally and vertically
while decompressing (certain restrictions apply-- see libjpeg.txt.)

This also cleans up the documentation of the line skipping feature and
removes the "strip decompression" feature from djpeg, since the new
cropping feature is a superset of it.

Refer to #34 for discussion.

Closes #34
 2016-02-19 21:07:39 -06:00
DRC
5f972324ee Build: Make the NASM autoconf variable persistent 
Previously, if a custom value of this variable was specified when
running configure, then that value would be lost if configure was
automatically re-run (as a result of changes to configure.ac, for
instance.)

As a bonus, the NASM variable is now also listed when running
'configure --help', so it is obvious how to override the default
NASM command.
 2016-02-19 13:16:56 -06:00
DRC
f76c01d0bd Use consistent/modern code formatting for dbl ptrs 2016-02-19 10:56:13 -06:00
DRC
d4be42360c usage.txt: Restore accidentally deleted phrase 
It somehow got lost when merging the jpeg-9+ documentation changes.
 2016-02-19 10:35:41 -06:00
DRC
e621dfc508 More minor code formatting tweaks 2016-02-19 10:35:09 -06:00
DRC
9100b67a75 Clean up a couple of copyright messages 2016-02-19 09:25:44 -06:00
DRC
bd49803f92 Use consistent/modern code formatting for pointers 
The convention used by libjpeg:

    type * variable;

is not very common anymore, because it looks too much like
multiplication.  Some (particularly C++ programmers) prefer to tuck the
pointer symbol against the type:

    type* variable;

to emphasize that a pointer to a type is effectively a new type.
However, this can also be confusing, since defining multiple variables
on the same line would not work properly:

    type* variable1, variable2;  /* Only variable1 is actually a
                                    pointer. */

This commit reformats the entirety of the libjpeg-turbo code base so
that it uses the same code formatting convention for pointers that the
TurboJPEG API code uses:

    type *variable1, *variable2;

This seems to be the most common convention among C programmers, and
it is the convention used by other codec libraries, such as libpng and
libtiff.
 2016-02-19 09:10:07 -06:00
DRC
ae41128845 Reorder copyright messages in cjpeg/djpeg/jpegtran 
Place the authors in the following order:
* libjpeg-turbo authors (2009-) in descending order of the date of their
  most recent contribution to the project, then in ascending order of
  the date of their first contribution to the project
* Upstream authors in descending order of the date of the first
  inclusion of their code (this indicates that their code serves as the
  foundation of this code.)

This also adds Siarhei to the author list, since he contributed ARM SIMD
code both as a Nokia employee and more recently as an independent
developer.
 2016-02-18 16:33:23 -06:00
DRC
54e6b8e806 Include some comments/doc tweaks from jpeg-9+ 2016-02-18 15:16:17 -06:00
DRC
83aeb7b28c Wordsmith GIF limitations in cjpeg.1/djpeg.1 2016-02-17 20:05:44 -06:00
Guido Vollbeding
a560e4b423 The Independent JPEG Group's JPEG software v9b 2016-02-16 12:27:41 -06:00
Guido Vollbeding
fc11193e7a The Independent JPEG Group's JPEG software v9a 2016-02-16 12:26:00 -06:00
Guido Vollbeding
e7f88aec23 The Independent JPEG Group's JPEG software v9 2016-02-16 12:22:55 -06:00
DRC
aefd8b7942 Clean up pkgconfig dir when removing RPM & Mac pkg 2016-02-14 17:20:30 -06:00
DRC
18dcac4632 Fix compiler warning 2016-02-14 09:01:07 -06:00
DRC
03841e6e89 Win: Display effective C/LD flags in CMake output 2016-02-09 18:30:59 -06:00
DRC
d123c125c5 Java: Avoid OOM error when running 'make test' 
We need to garbage collect between iterations of the outside loop in
bufSizeTest() in order to avoid exhausting the heap when running with
Java 6 (which is still used on Linux to test the 32-bit version of
libjpeg-turbo in automated builds.)
 2016-02-09 01:35:39 -06:00
DRC
8632f1b262 ARM64: Avoid tbl instruction on Cortex-A53/A57 
Full-color compression speedups relative to previous commits:
Cortex-A53 (Nexus 5X), Android, 64-bit: 0.91-3.0% (avg. 1.8%)
Cortex-A57 (Nexus 5X), Android, 64-bit: -0.35-1.5% (avg. 0.65%)
 2016-02-09 00:38:58 -06:00
DRC
bba7978981 ChangeLog: Mention ARM64 Huffman & adj perf claims 2016-02-08 16:10:28 -06:00
DRC
28f00bf235 Fix iOS/ARMv8 build 
Broken by 46ecffa324.

gas-preprocessor.pl and/or the clang assembler apparently don't like
default values in macro arguments, and we need to use a separate const
section for each function (because of our use of adr, also necessitated
by the broken clang assembler.)
 2016-02-08 15:15:11 -06:00
DRC
ab80273b61 BUILDING.md: Update OS X Java information 
The Apple Java Developer Package is only necessary on OS X < 10.7.
When building on Lion and later, the Oracle JDK is preferred.
 2016-02-08 14:41:07 -06:00
DRC
53c635b8e8 Fix 'make dist'; Include LICENSE.md in packages 2016-02-08 14:03:13 -06:00
DRC
46ecffa324 ARM64: Avoid LD3/ST3 at run time, not compile time 
... and only if ThunderX is detected.  This can be easily expanded later
on to include other CPUs that are known to suffer from slow LD3/ST3, but
it doesn't make sense to disable LD3/ST3 for all non-Android Linux
platforms just because ThunderX is slow.
 2016-02-07 22:05:56 -06:00
DRC
219470d6ac ARM64 NEON SIMD implementation of Huffman encoding 
Full-color compression speedups relative to previous commits:
Cortex-A53 (Nexus 5X), Android, 64-bit: 1.1-13% (avg. 6.0%)
Cortex-A57 (Nexus 5X), Android, 64-bit: 0.0-22% (avg. 6.3%)

Refer to #47 and #50 for discussion

Closes #50

Note that this commit introduces a similar /proc/cpuinfo parser to that
of the ARM32 implementation.  It is used to specifically check whether
the code is running on Cavium ThunderX and, if so, disable the ARM64
SIMD Huffman routines (which slow performance by an average of 8% on
that CPU.)

Based on:
a8c282e5e5
 2016-02-07 21:51:11 -06:00
DRC
15aaa7f7e2 ARM SIMD: Comment tweaks 2016-02-07 17:39:33 -06:00
DRC
45bbe06ec5 Un*x: Enable testing cross-compiled builds 
Don't include the all: target as a dependency of the tests when
cross-compiling, and ensure that the files generated by the tests are
removed, even if they were created read-only (or if the tests are being
run on a different type of system that doesn't correctly interpret the
file permissions.)  This allows one to easily build the code on one
machine and run 'make test' on another.
 2016-02-06 18:40:52 -06:00
DRC
2d62325754 Fix Visual C++ compiler warnings 
Somehow this got reverted with aa769febf2.
Oops.
 2016-02-06 18:40:52 -06:00
DRC
f9134384b7 Win: Enable testing cross-compiled builds 
When cross-compiling, CMakeLists.txt now generates the CTest script
using relative paths, so that CTest can more easily be executed on a
different machine from the build machine.  Furthermore, Windows builds
are now tested using md5cmp, just like on Linux, rather than a CMake
script.  This prevents issues with differing CMake locations between
the build and test machines.

This also removes some trailing spaces from the md5cmp code and improves
the readability of the test code in CMakeLists.txt.
 2016-02-06 18:40:19 -06:00
DRC
ce0dd949b2 Fix MinGW build 
jinclude.h can't be safely included multiple times, so instead of
including it in the shared (broken-out) headers, it should instead be
included by the source files that include one or more of those headers.
 2016-02-06 12:18:44 -06:00
DRC
8ff67fdb24 Update MinGW Linux build recipe 2016-02-06 12:17:40 -06:00
DRC
55a18d4007 Merge branch '1.4.x' 2016-02-04 18:52:23 -06:00
DRC
2d56acb840 Merge branch '1.3.x' into 1.4.x 2016-02-04 18:48:22 -06:00
DRC
c454c595dc Merge branch '1.2.x' into 1.3.x 2016-02-04 18:46:13 -06:00
DRC
0463f7c9aa Prevent overread when decoding malformed JPEG 
The accelerated Huffman decoder was previously invoked if there were
> 128 bytes in the input buffer.  However, it is possible to construct a
JPEG image with Huffman blocks > 430 bytes in length
(http://stackoverflow.com/questions/2734678/jpeg-calculating-max-size).
While such images are pathological and could never be created by a
JPEG compressor, it is conceivable that an attacker could use such an
artifially-constructed image to trigger an input buffer overrun in the
libjpeg-turbo decompressor and thus gain access to some of the data on
the calling program's heap.

This patch simply increases the minimum buffer size for the accelerated
Huffman decoder to 512 bytes, which should (hopefully) accommodate any
possible input.

This addresses a major issue (LJT-01-005) identified in a security audit
by Cure53.
 2016-02-04 18:43:48 -06:00
DRC
04dd34c14e Guard against wrap-around in alloc functions 
Because of the exposed nature of the libjpeg API, alloc_small() and
alloc_large() can potentially be called by external code.  If an
application were to call either of those functions with
sizeofobject > SIZE_MAX - ALIGN_SIZE - 1, then the math in
round_up_pow2() would wrap around to zero, causing that function to
return a small value.  That value would likely not exceed
MAX_ALLOC_CHUNK, so the subsequent size checks in alloc_small() and
alloc_large() would not catch the error.

A similar problem could occur in 32-bit builds if alloc_sarray() were
called with
samplesperrow > SIZE_MAX - (2 * ALIGN_SIZE / sizeof(JSAMPLE)) - 1

This patch simply ensures that the size argument to the alloc_*()
functions will never exceed MAX_ALLOC_CHUNK (1 billion).  If it did,
then subsequent size checks would eventually catch that error, so we
are instead catching the error before round_up_pow2() is called.

This addresses a minor concern (LJT-01-001) expressed in a security
audit by Cure53.
 2016-02-04 11:37:13 -06:00
DRC
3ee3d8799a Fix Visual C++ compiler warnings 2016-02-04 10:58:10 -06:00
DRC
6c8a71efa7 rdppm.c: formatting tweaks 2016-02-04 10:51:22 -06:00
DRC
271b0bf033 jmemmgr.c: formatting tweaks 2016-02-04 10:08:38 -06:00
DRC
6e053525ee TurboJPEG: Avoid dangling pointers 
This addresses a minor concern (LJT-01-002) expressed in a security
audit by Cure53.  _tjInitCompress() and _tjInitDecompress() call
(respectively) jpeg_mem_dest_tj() and jpeg_mem_src_tj() with a pointer
to a dummy buffer, in order to set up the destination/source manager.
The dummy buffer should never be used, but it's still better to make it
static so that the pointer in the destination/source manager always
points to a valid region of memory.
 2016-02-04 09:20:41 -06:00
DRC
fe11699d90 Adjust performance claims 
Document the latest benchmarks on the Nexus 5X and change the "2-4x"
overall claim to "2-6x".  The peak performance on x86 platforms was
already closer to 5x, and the addition of SIMD-accelerated Huffman
encoding gave it that extra push over the cliff.
 2016-02-03 14:02:13 -06:00
DRC
cf888486d1 Use consistent formatting in ARM NEON SIMD code 
There aren't really any best practices to follow here.  I tried as best
as I could to adopt a standard that would ease any future maintenance
burdens.  The basic tenets of that standard are:

* Assembly instructions always start on Column 5, and operands always
  start on Column 21, except:
  - The instruction and operand can be indented (usually by 2 spaces)
    to indicate a separate instruction stream.
  - If the instruction is within an enclosing .if block in a macro,
    it should always be indented relative to the .if block.
* Comments are placed with an eye toward readability.  There are always
  at least 2 spaces between the end of a line of code and the associated
  in-line comment.  Where it made sense, I tried to line up the comments
  in blocks, and some were shifted right to avoid overlap with
  neighboring instruction lines.  Not an exact science.
* Assembler directives and macros use 2-space indenting rules.  .if
  blocks are indented relative to the macro, and code within the .if
  blocks is indented relative to the .if directive.
* No extraneous spaces between operands.  Lining up the operands
  vertically did not really improve readability-- personally, I think it
  made it worse, since my eye would tend to lose its place in the
  uniform columns of characters.  Also, code with a lot of vertical
  alignment is really hard to maintain, since changing one line could
  necessitate changing a bunch of other lines to avoid spoiling the
  alignment.
* No extraneous spaces in #defines or other directives.  In general, the
  only extraneous spaces (other than indenting spaces) are between:
  - Instructions and operands
  - Operands and in-line comments
This standard should be more or less in keeping with other formatting
standards used within the project.
 2016-02-02 23:39:03 -06:00
DRC
cb49bb00d9 Opt. ARM64 SIMD decompr. for in-order pipelines 
Decompression speedup relative to libjpeg-turbo 1.4.2 (ISLOW IDCT):
48-core ThunderX (RunAbove ARM Cloud), Linux, 64-bit: 60-113% (avg. 86%)
Cortex-A53 (Nexus 5X), Android, 64-bit: 6.8-27% (avg. 14%)
Cortex-A57 (Nexus 5X), Android, 64-bit: 2.0-14% (avg. 6.8%)

Decompression speedup relative to libjpeg-turbo 1.4.2 (IFAST IDCT):
48-core ThunderX (RunAbove ARM Cloud), Linux, 64-bit: 51-98% (avg. 75%)

Minimal speedup (1-5%) observed on iPhone 5S (Cortex-A7)

NOTE: This commit avoids the st3 instruction for non-Android and
non-Apple builds, which may cause a performance regression against
libjpeg-turbo 1.4.x on ARM64 systems that are running plain Linux.
Since ThunderX is the only platform known to suffer from slow ld3 and
st3 instructions, it is probably better to check for the CPU type
at run time and disable ld3/st3 only if ThunderX is detected.

This commit also enables the use of ld3 on Android platforms, which
should be a safe bet, at least for now.  This speeds up compression on
the afore-mentioned Nexus Cortex-A53 by 5.5-19% (avg. 12%) and on the
Nexus Cortex-A57 by 1.2-14% (avg. 6.3%), relative to the previous
commits.

This commit also removes unnecessary macros.

Refer to #52 for discussion.

Closes #52.

Based on:
6bad905034
488dd7bf17
4f4d057c1f
d3198afc43
 2016-02-02 23:14:27 -06:00
DRC
cbfa696fc1 Update Android build instr. for ARMv8, PIE, etc. 
* Include information on how to do a 64-bit ARMv8 build with the latest
NDK
* Suggest -fPIE and -pie as default CFLAGS (required for android-16 and
later.
* Remove -fstrict-aliasing flag (-Wall already includes it)
 2016-02-01 11:28:55 -06:00
DRC
f5cd71c5cf Merge branch '1.4.x' 2016-02-01 11:19:06 -06:00
DRC
da047e8b14 Makefile.am: formatting tweak 2016-02-01 11:17:41 -06:00
DRC
6c3fc97b1a Update Android build instr. for ARMv8, PIE, etc. 
* Include information on how to do a 64-bit ARMv8 build with the latest
NDK
* Suggest -fPIE and -pie as default CFLAGS (required for android-16 and
later.
* Remove -fstrict-aliasing flag (-Wall already includes it)
 2016-02-01 11:12:22 -06:00
DRC
3128061382 TJBench: Fix segfault on Android 
For whatever reason, the "write" global variable in tjbench.c was
overriding the linkage with the write() system function.  This may have
affected other platforms as well but was not known to.
 2016-02-01 11:03:39 -06:00
DRC
8af3f8a9cb Provide pkg-config (.pc) scripts 
This allows a project to use PKG_CHECK_MODULES() in its configure.ac
file to easily check for the presence of libjpeg-turbo and modify the
compiler/linker flags accordingly.  Note that if a project relies solely
on pkg-config to check for libjpeg-turbo, then it will not be possible
to build that project using libjpeg or an earlier version of
libjpeg-turbo.

Closes #53

Based on:
4967138719
 2016-01-18 16:43:50 -06:00
DRC
d38b4f21ec Optimize ARM64 SIMD code for Cavium ThunderX 
Per @ssvb:
ThunderX is an ARM64 chip that dedicates most of its transistor real
estate to providing 48 cores, so each core is not as fast as a result.
Each core is dual-issue & in-order for scalar instructions and has only
a single-issue half-width NEON unit, so the peak throughput is one
128-bit instruction per 2 cycles.  So careful instruction scheduling is
important.  Furthermore, ThunderX has an extremely slow implementation
of ld2 and ld3, so this commit implements the equivalent of those
instructions using ld1.

Compression speedup relative to libjpeg-turbo 1.4.2:
48-core ThunderX (RunAbove ARM Cloud), Linux, 64-bit: 58-85% (avg. 74%)
relative to jpeg-6b: 1.75-2.14x (avg. 1.95x)

Refer to #49 and #51 for discussion.

Closes #51.

This commit also wordsmiths the ChangeLog entry (the ARMv8 SIMD
implementation is "complete" only for compression-- it still lacks some
decompression algorithms, as does the ARMv7 implementation.)

Based on:
9405b5fd03

which is based on:
f561944ff7
962c8ab21f
 2016-01-16 02:39:02 -06:00
DRC
e8aa5fa934 Add JSIMD_NOHUFFENC environment variable for ARM 
Useful in regression/performance testing
 2016-01-15 13:15:54 -06:00
DRC
ec6941f7bc Complete the ARM64 NEON SIMD implementation 
This adds 64-bit NEON coverage for all of the algorithms that are
covered by the 32-bit NEON implementation, except for h2v1 (4:2:2) fancy
upsampling (used when decompressing 4:2:2 JPEG images.)  It also adds
64-bit NEON SIMD coverage for:

* slow integer forward DCT (compressor)
* h2v2 (4:2:0) downsampling (compressor)
* h2v1 (4:2:2) downsampling (compressor)

which are not covered in the 32-bit implementation.

Compression speedups relative to libjpeg-turbo 1.4.2:
Apple A7 (iPhone 5S), iOS, 64-bit: 113-150% (reported)
48-core ThunderX (RunAbove ARM Cloud), Linux, 64-bit: 2.1-33% (avg. 15%)

Refer to #44 and #49 for discussion

This commit also removes the unnecessary

    if (simd_support & JSIMD_ARM_NEON)

statements from the jsimd* algorithm functions.  Since the jsimd_can*()
functions check for the existence of NEON, the corresponding algorithm
functions will never be called if NEON isn't available.

Based on:
dcd9d84f10
b0d87b811f
70cd5c8a49
3e58d9a064
837b19542f
73dc43ccc8
a82b71a261
c1b1188c21
305c89284e
7f443f9995
4c2b53b77d

Unified version with fixes:
1004a3cd05
 2016-01-15 11:21:48 -06:00
DRC
499c470b63 ARM32 NEON SIMD implementation of Huffman encoding 
Full-color compression speedups relative to libjpeg-turbo 1.4.2:

800 MHz ARM Cortex-A9, iOS, 32-bit:  26-44% (avg. 32%)

Refer to #42 and #47 for discussion.

This commit also removes the unnecessary

    if (simd_support & JSIMD_ARM_NEON)

statements from the jsimd* algorithm functions.  Since the jsimd_can*()
functions check for the existence of NEON, the corresponding algorithm
functions will never be called if NEON isn't available.  Removing those
if statements improved performance across the board by a couple of
percent.

Based on:
fc023c880c
 2016-01-13 23:38:35 -06:00
DRC
9c8cee8c29 tjbench: Further tweaks to -nowrite feature 
* Do not compute compression error if -nowrite is specified
* Adjust formatting of -nowrite usage description
 2016-01-13 22:32:19 -06:00
DRC
4e356a92dc BUILDING.md: Restore autotools processing instr. 
Partially reverts 54014d9c2a.  When
building from a git sandbox, as opposed to from an official source
tarball, it is still necessary to run autoreconf.

Closes #48
 2016-01-13 12:27:42 -06:00
DRC
93eaa37a3b Update build instructions for new autoconf, GitHub 
The Linux build machine has been upgraded to autoconf 2.69, automake
1.15, m4 1.4.17, and libtool 2.4.6, so it is no longer necessary to
recommend running autoreconf prior to building the source, if one is
building from an official source tarball (as opposed to from a git
sandbox.)  Also, there is no SVN repository anymore (oops.)
 2016-01-13 12:20:01 -06:00
DRC
f3a8684cd1 SSE2 SIMD implementation of Huffman encoding 
Full-color compression speedups relative to libjpeg-turbo 1.4.2:

2.8 GHz Intel Xeon W3530, Linux, 64-bit:  2.2-18% (avg. 9.5%)
2.8 GHz Intel Xeon W3530, Linux, 32-bit:  10-25% (avg. 17%)

2.3 GHz AMD A10-4600M APU, Linux, 64-bit:  4.9-17% (avg. 11%)
2.3 GHz AMD A10-4600M APU, Linux, 32-bit:  8.8-19% (avg. 15%)

3.0 GHz Intel Core i7, OS X, 64-bit:  3.5-16% (avg. 10%)
3.0 GHz Intel Core i7, OS X, 32-bit:  4.8-14% (avg. 11%)

2.6 GHz AMD Athlon 64 X2 5050e:
Performance-neutral (give or take a few percent)

Full-color compression speedups relative to IPP:

2.8 GHz Intel Xeon W3530, Linux, 64-bit:  4.8-34% (avg. 19%)
2.8 GHz Intel Xeon W3530, Linux, 32-bit:  -19%-7.0% (avg. -7.0%)

Refer to #42 for discussion.  Numerous other approaches were attempted,
but this one proved to be the most performant across all platforms.

This commit also fixes #3 (works around, really-- the clang-compiled version
of jchuff.c still performs 20% worse than its GCC-compiled counterpart, but
that code is now bypassed by the new SSE2 Huffman algorithm.)

Based on:
2cb4d41330
36c94e050d
 2016-01-12 03:03:49 -06:00
DRC
eb59b6e72d Add -nowrite arg to TJBench to improve consistency 
Prevents any images from being written to disk, thus making the
performance of the benchmark as CPU-bound as possible.
 2016-01-12 00:36:32 -06:00
DRC
368cd52d38 Allow JSIMD_FORCENONE=1 env to disable x86-64 SIMD 
Traditionally, the x86-64 code did not call init_simd() because it had
no need to (only SSE2 was supported.)  However, having the ability to
disable SIMD at run time is a useful testing tool, and all of the other
SIMD implementations have this ability.
 2016-01-12 00:29:34 -06:00
DRC
e7f1418525 1.4.3 2016-01-06 19:25:28 -06:00
DRC
2111c5acda Merge branch '1.4.x' 2016-01-06 19:24:55 -06:00
DRC
5a3b4fed4b Regression: Allow co-install of 32-bit/64-bit RPMs 
Fix a regression introduced in 1.4.1 that prevented 32-bit and 64-bit
libjpeg-turbo RPMs from being installed simultaneously on recent Red
Hat/Fedora distributions.  This was due to the addition of the
SIZEOF_SIZE_T macro in jconfig.h, which allows the Huffman codec to
determine the word size at compile time.  Since that macro differs
between 32-bit and 64-bit builds, this caused a conflict between the
i386 and x86_64 RPMs (any differing files, other than executables, are
not allowed when 32-bit and 64-bit RPMs are installed simultaneously.)
Since the macro is used only internally, it has been moved into
jconfigint.h.
 2016-01-06 19:17:54 -06:00
DRC
5f2cbbd039 Fix iOS ARM64 build broken by removal of .arch 
The unnecessary .arch directive was removed from the ARM64 SIMD code
in d70a5c12fc, thus allowing clang's
integrated assembler to assemble the code on Linux systems.  However,
this broke the detection mechanism in acinclude.m4 that tells the build
system whether it needs to use gas-preprocessor.pl.  Since one of the
primary motivators for using gas-preprocessor.pl with ARM64 builds is
the lack of .req/.unreq directives in Apple's implementation of clang,
acinclude.m4 now checks whether .req/.unreq can be properly assembled
and uses gas-preprocessor.pl if not.

Closes #33.
 2016-01-06 14:02:27 -06:00
DRC
fbe5007fbc Merge branch '1.4.x' 2015-12-19 14:29:46 -06:00
DRC
71e971fb35 Build: Use FILEPATH type for NASM CMake variable 
This causes cmake-gui to to display the proper file chooser dialog
(as opposed to the directory chooser.)

Fixes #40
 2015-12-19 14:18:21 -06:00
DRC
6fa5ebdc10 cjpeg: Adjust claims RE: image quality settings 
Quality values > 95 are not useless.  They just may not provide as good
of a size vs. perceptual quality tradeoff as lower quality values.  This
also displays the default quality value in the cjpeg usage.

Closes #39
 2015-12-17 10:41:51 -06:00
DRC
d70a5c12fc Remove unnecessary .arch directive in ARM64 code 
This directive was preventing the code from assembling using the
integrated assembler in clang.

Fixes #33
 2015-12-14 17:02:43 -06:00
DRC
aa769febf2 Fix compiler warnings under Visual C++ 
A few of these are long-standing, but most were exposed when switching
from INT32 to JLONG.
 2015-10-15 02:25:00 -05:00
DRC
d65e768b2e Fix additional issues reported by UB sanitizers 
Most of these involved overrunning the signed 32-bit JLONG type whenever
building libjpeg-turbo with a 32-bit compiler.  These issues are not
believed to represent actual security threats, but eliminating them
makes it easier to detect such threats should they arise in the future.
 2015-10-14 22:59:51 -05:00
DRC
1e32fe3113 Replace INT32 with a new internal datatype (JLONG) 
These days, INT32 is a commonly-defined datatype in system headers.  We
cannot eliminate the definition of that datatype from jmorecfg.h, since
the INT32 typedef has technically been part of the libjpeg API since
version 5 (1994.)  However, using INT32 internally is risky, because the
inclusion of a particular header (Xmd.h, for instance) could change the
definition of INT32 from long to int on 64-bit platforms and thus change
the internal behavior of libjpeg-turbo in unexpected ways (for instance,
failing to correctly set __INT32_IS_ACTUALLY_LONG to match the INT32
typedef-- perhaps as a result of including the wrong version of
jpeglib.h-- could cause libjpeg-turbo to produce incorrect results.)

The library has always been built in environments in which INT32 is
effectively long (on Windows, long is always 32-bit, so effectively it's
the same as int), so it makes sense to turn INT32 into an explicitly
long datatype.  This ensures that libjpeg-turbo will always behave
consistently, regardless of the headers included at compile time.

Addresses a concern expressed in #26.
 2015-10-14 20:34:32 -05:00
DRC
250c887763 ChangeLog: acknowledge existence of 1.4.2 2015-10-13 13:37:32 -05:00
DRC
e42032ba62 README.md: create link for jcstest.c 2015-10-10 10:56:58 -05:00
DRC
17de518357 Markdown versions of README, LICENSE, BUILDING 2015-10-10 10:34:55 -05:00
DRC
7e3acc0e0a Rename README, LICENSE, BUILDING text files 
The IJG README file has been renamed to README.ijg, in order to avoid
confusion (many people were assuming that that was our project's README
file and weren't reading README-turbo.txt) and to lay the groundwork for
markdown versions of the libjpeg-turbo README and build instructions.
 2015-10-10 10:31:33 -05:00
DRC
ac85335cd8 Merge branch '1.4.x' 2015-10-09 20:03:59 -05:00
DRC
bf04316e63 Comment formatting tweaks 2015-10-09 20:02:31 -05:00
DRC
d8da49effe Fix 'make dist' 2015-09-21 13:45:45 -05:00
DRC
30ebafda2a 1.4.2 2015-09-21 13:43:36 -05:00
DRC
60efb896e0 Merge branch '1.4.x' 2015-09-21 13:17:17 -05:00
DRC
8e9cef2e6f Fix various issues reported by the UB sanitizers 
Most of these involved left shifting a negative number, which is
technically undefined (although every modern compiler I'm aware of
will implement this by treating the signed integer as a 2's complement
unsigned integer-- the LEFT_SHIFT() macro just makes this behavior
explicit in order to shut up ubsan.)  This also fixes a couple of
non-issues in the entropy codecs, whereby the sanitizer reported an
out-of-bounds index in the 4th argument of jpeg_make_d_derived_tbl().
In those cases, the index was actually out of bounds (caused by a
malformed JPEG image), but jpeg_make_d_derived_tbl() would have caught
the error and aborted prior to actually using the invalid address.  Here
again, the fix was to make our intentions explicit so as to shut up
ubsan.
 2015-09-21 13:12:04 -05:00
DRC
870b4f28b4 Fix ChangeLog numbering biffed by previous merge 2015-09-16 23:26:13 -05:00
DRC
b961f0bfce Merge branch '1.4.x' 2015-09-16 23:16:38 -05:00
James Cowgill
54792ba340 Fix MIPS DSPr2 4:2:0 upsample bug w/ small images 
The DSPr2 code was errantly comparing the residual (t9, width & 0xF)
with the end pointer (t4, out + width) instead of the width directly
(a1).  This would give the wrong results with any image whose output
width was less than 16.  The other small changes (ulw to lw and removal
of the nop) are just some easy optimizations around this code.

This issue caused a buffer overrun and subsequent segfault on images
whose scaled output height was 1 pixel and whose scaled output width was
< 16 pixels.  Note that the "plain" (non-fancy and non-merged) upsample
routine, which was affected by this bug, is normally not used except
when decompressing a non-YCbCr JPEG image, but it is also used when
decompressing a single-row image (because the other upsampling
algorithms require at least two rows.)

Closes #16.
 2015-09-16 23:15:22 -05:00
Chandler Carruth
498d9bc92f Fix x86-64 ABI conformance issue in SIMD code 
(descriptions cribbed by DRC from discussion in #20)
In the x86-64 ABI, the high (unused) DWORD of a 32-bit argument's
register is undefined, so it was incorrect to use a 64-bit mov
instruction to transfer a JDIMENSION argument in the 64-bit SSE2 SIMD
functions.  The code worked thus far only because the existing compiler
optimizers weren't smart enough to do anything else with the register in
question, so the upper 32 bits happened to be all zeroes-- for the past
6 years, on every x86-64 compiler previously known to mankind.

The bleeding-edge Clang/LLVM compiler has a smarter optimizer, and
under certain circumstances, it will attempt to load-combine adjacent
32-bit integers from one of the libjpeg structures into a single 64-bit
integer and pass that 64-bit integer as a 32-bit argument to one of the
SIMD functions (which is allowed by the ABI, since the upper 32 bits of
the 32-bit argument's register are undefined.)  This caused the
libjpeg-turbo regression tests to crash.

Also enhance the documentation of JDIMENSION to explain that its size
is significant to the implementation of the SIMD code.

Closes #20.  Refer also to http://crbug.com/532214.
 2015-09-16 22:35:31 -05:00
DRC
b4922b42e7 Merge branch '1.4.x' 2015-09-08 19:02:18 -05:00
DRC
465a9fe0cb Add file that explains the libjpeg-turbo licenses 
Previously this information was found in a page on libjpeg-turbo.org,
but there was still some confusion, because README-turbo.txt wasn't
clear as to which license applied to what.
 2015-09-08 18:59:37 -05:00
DRC
00d82c425e Merge branch '1.4.x' 2015-08-29 18:15:25 -05:00
DRC
b5a55e6dd7 Fix negative shift with IFAST FDCT and qual=100 
With certain images, compressing using quality=100 and the fast integer
forward DCT will cause the divisor passed to compute_reciprocal() to be
1.  In those cases, the library already disables the SIMD quantization
algorithm to avoid 16-bit overflow.  However, compute_reciprocal()
doesn't properly handle the divisor==1 case, so we need to use special
values in that case so that the C quantization algorithm will behave
like an identity function.
 2015-08-29 18:10:58 -05:00
James Cowgill
f62dbccf5f Fix build error when compiling MIPS SIMD w/ -mfpxx 
When compiled with -mfpxx (which is now the default on Debian), there are
some restrictions on the use of odd-numbered FP registers. More details
about FPXX can be found here:
https://dmz-portal.mips.com/wiki/MIPS_O32_ABI_-_FR0_and_FR1_Interlinking

This commit simply changes all uses of FP registers to an even-numbered
equivalent like this:
 f0 -> f0
 f1 -> f2
 f2 -> f4
 ...
 f8 -> f16

This commit should have no observable effect except that the MIPS assembly
will now compile with -mfpxx.

Closes #11
 2015-08-26 21:30:18 -05:00
DRC
b657631953 Merge branch '1.4.x' 2015-08-26 20:31:13 -05:00
DRC
58ae401e50 Eliminate cppcheck false positive in turbojpeg.c 2015-08-26 20:29:36 -05:00
DRC
333f3cf756 Fix 'make dist' 2015-08-15 17:04:58 -05:00
DRC
73befdb148 Merge branch '1.4.x' 2015-08-14 11:48:05 -05:00
Frank Bossen
6709e4a0cf Check range of integer values in PPM text file 
Add checks to ensure values are within the specified range.

Fixes mozilla/mozjpeg#141, closes #8
 2015-08-14 11:42:29 -05:00
Frank Bossen
82923eb93a Check image size when reading targa file 
Throw an error when image width or height is 0.

Fixes mozilla/mozjpeg#140, closes #7.
 2015-08-14 11:42:23 -05:00
DRC
a3ef34c626 Fix cjpeg segfault when Windows BMP width/height<0 
rdbmp.c used the ambiguous INT32 datatype, which is sometimes typedef'ed
to long.  Windows bitmap headers use 32-bit signed integers for the
width and height, because height can sometimes be negative (this
indicates a top-down bitmap.)  If biWidth or biHeight was negative and
INT32 was a 64-bit long, then biWidth and biHeight were read as a
positive integer > INT32_MAX, which failed the test in line 385:

    if (biWidth <= 0 || biHeight <= 0)
        ERREXIT(cinfo, JERR_BMP_EMPTY);

This commit refactors rdbmp.c so that it uses the datatypes specified by
Microsoft for the Windows BMP header.

This closes #9 and also provides a better solution for mozilla/mozjpeg#153.
 2015-08-13 20:24:27 -05:00
DRC
6fa14b37ee Declare source buffers in TurboJPEG C API as const 
This reassures the caller that the buffers will not be modified and also
allows read-only buffers to be passed to the functions.

Partially reverts 3947a19f25fc8186d3812dbcf8e70baea36ef652.
 2015-08-13 20:08:08 -05:00
DRC
ce4ff407ff Merge branch '1.4.x' 2015-08-13 18:09:20 -05:00
DRC
b1682fb7c8 Tabs to spaces in turbojpeg.h 
This was a formatting regression in 1.4.x introduced when the new
TurboJPEG functions were added.
 2015-08-13 18:05:32 -05:00
DRC
b2db23c449 Merge pull request #10 from pornel/const 
Declare inbuffer arg in jpeg_mem_src() to be const
This reassures the caller that the buffer will not be modified and also
allows read-only buffers to be passed to the function.
 2015-08-13 16:51:08 -05:00
Kornel Lesiński
7222ec2717 Declare inbuffer const 2015-08-13 22:44:51 +01:00
DRC
8fb37b8171 Fix cjpeg segfault when Windows BMP width/height<0 
rdbmp.c used the ambiguous INT32 datatype, which is sometimes typedef'ed
to long.  Windows bitmap headers use 32-bit signed integers for the
width and height, because height can sometimes be negative (this
indicates a top-down bitmap.)  If biWidth or biHeight was negative and
INT32 was a 64-bit long, then biWidth and biHeight were read as a
positive integer > INT32_MAX, which failed the test in line 385:

    if (biWidth <= 0 || biHeight <= 0)
        ERREXIT(cinfo, JERR_BMP_EMPTY);

This commit refactors rdbmp.c so that it uses the datatypes specified by
Microsoft for the Windows BMP header.

This closes #9 and also provides a better solution for mozilla/mozjpeg#153.
 2015-08-13 11:09:05 -05:00
DRC
b3b3b29e4c Update x86[-64] assembler recommendations 
NASM 2.11.08 has a bug that prevents it from properly assembling a
macho64 version of libjpeg-turbo (the resulting binary generates corrupt
images.)  2.11.09 works properly.  YASM also works properly and has been
a supported alternative since libjpeg-turbo 1.2.
 2015-08-03 23:59:27 -05:00
DRC
7170d9e0e5 Update x86[-64] assembler recommendations 
NASM 2.11.08 has a bug that prevents it from properly assembling a
macho64 version of libjpeg-turbo (the resulting binary generates corrupt
images.)  2.11.09 works properly.  YASM also works properly and has been
a supported alternative since libjpeg-turbo 1.2.
 2015-08-03 23:59:12 -05:00
DRC
57e206662a Update x86[-64] assembler recommendations 
NASM 2.11.08 has a bug that prevents it from properly assembling a
macho64 version of libjpeg-turbo (the resulting binary generates corrupt
images.)  2.11.09 works properly.  YASM also works properly and has been
a supported alternative since libjpeg-turbo 1.2.
 2015-08-03 23:58:40 -05:00
DRC
939e466082 Update x86[-64] assembler recommendations 
NASM 2.11.08 has a bug that prevents it from properly assembling a
macho64 version of libjpeg-turbo (the resulting binary generates corrupt
images.)  2.11.09 works properly.  YASM also works properly and has been
a supported alternative since libjpeg-turbo 1.2.
 2015-08-03 23:56:09 -05:00
DRC
7c726a4515 Update URL for our custom gas-preprocessor.pl 2015-08-03 13:24:22 -05:00
DRC
a61fd32137 Update URL for our custom gas-preprocessor.pl 2015-08-03 13:16:21 -05:00
DRC
944aa8e3c4 Fix rare bug: right shift by a negative # of bits 
Under very rare circumstances, decompressing specific corrupt JPEG
images would create a situation whereby GET_BITS(1) was invoked
from within HUFF_DECODE_FAST() when bits_left=0. This produced a right
shift by a negative number of bits, which is undefined in C.
 2015-07-29 17:19:35 -05:00
DRC
2a0b4ac337 Fix rare bug: right shift by a negative # of bits 
Under very rare circumstances, decompressing specific corrupt JPEG
images would create a situation whereby GET_BITS(1) was invoked
from within HUFF_DECODE_FAST() when bits_left=0. This produced a right
shift by a negative number of bits, which is undefined in C.
 2015-07-29 17:19:15 -05:00
DRC
cf0e58de53 Fix rare bug: right shift by a negative # of bits 
Under very rare circumstances, decompressing specific corrupt JPEG
images would create a situation whereby GET_BITS(1) was invoked
from within HUFF_DECODE_FAST() when bits_left=0. This produced a right
shift by a negative number of bits, which is undefined in C.
 2015-07-29 17:18:18 -05:00
Ondřej Surý
b6590d67b3 Convert the BUILD stamp to AC_ARG_WITH argument, so we can make the build reproducible 2015-07-29 13:23:27 -05:00
DRC
22eb6c2bf3 Convert svn:ignore properties to .gitignore 2015-07-29 12:55:11 -05:00
DRC
9a2a42d8ee Convert svn:ignore properties to .gitignore 2015-07-29 12:55:53 -05:00
DRC
8c4c6d29e6 Convert svn:ignore properties to .gitignore 2015-07-29 12:56:16 -05:00
DRC
9993410e44 Convert svn:ignore properties to .gitignore 2015-07-29 12:54:44 -05:00
DRC
b3b9a213bf Convert svn:ignore properties to .gitignore 2015-07-29 12:53:02 -05:00
DRC
9bbf2b8551 Merge pull request #4 from oerdnj/master 
Allow BUILD to be specified on the configure command line
 2015-07-28 12:56:16 -05:00
Ondřej Surý
45a2369b44 Convert the BUILD stamp to AC_ARG_WITH argument, so we can make the build reproducible 2015-07-28 09:19:13 +02:00
Guido Vollbeding
5829cb2398 The Independent JPEG Group's JPEG software v8d 2015-07-27 13:50:34 -05:00
Guido Vollbeding
c39ec149e8 The Independent JPEG Group's JPEG software v8c 2015-07-27 13:49:31 -05:00
Guido Vollbeding
a4ecaacde6 The Independent JPEG Group's JPEG software v8b 2015-07-27 13:48:40 -05:00
Guido Vollbeding
f18f81b7e2 The Independent JPEG Group's JPEG software v8a 2015-07-27 13:46:36 -05:00
Guido Vollbeding
989630f70c The Independent JPEG Group's JPEG software v8 2015-07-27 13:45:31 -05:00
Guido Vollbeding
5996a25e2f The Independent JPEG Group's JPEG software v7 2015-07-27 13:44:25 -05:00
Guido Vollbeding
1e247ac854 The Independent JPEG Group's JPEG software v6b with arithmetic coding support 2015-07-27 14:40:46 -05:00
DRC
99f0289606 Convert svn:ignore properties to .gitignore 2015-07-27 03:52:35 -05:00
DRC
03e755bbd3 Further improvements to partial image decoding 
When using context-based upsampling, use a dummy color conversion
routine instead of a dummy row buffer. This improves performance
(since the actual color conversion routine no longer has to be called),
and it also fixes valgrind errors when decompressing to RGB565.
Valgrind previously complained, because using the RGB565 color
converter with the dummy row buffer was causing a table lookup with
undefined indices.
 2015-07-27 03:44:20 -05:00
DRC
74b9f609a2 Fix rare bug: right shift by a negative # of bits 
Under very rare circumstances, decompressing specific corrupt JPEG
images would create a situation whereby GET_BITS(1) was invoked
from within HUFF_DECODE_FAST() when bits_left=0. This produced a right
shift by a negative number of bits, which is undefined in C.
 2015-07-27 03:43:40 -05:00
DRC
739edeb8a6 Further exception cleanup 
Use a new checked exception type (TJException) when passing through
errors from the underlying C library. This gives the application a
choice of catching all exceptions or just those from TurboJPEG.

Throw IllegalArgumentException at the JNI level when arguments to the
JNI function are incorrect, and when one of the TurboJPEG "utility"
functions returns an error (because, per the C API specification, those
functions will only return an error if one of their arguments is out of
range.)

Remove "throws Exception" from the signature of any methods that no
longer pass through an error from the TurboJPEG C library.

Credit Viktor for the new code

Code formatting tweaks
 2015-07-27 03:40:58 -05:00
DRC
a3deac158b Fix build whenever IDCT_SCALING_SUPPORTED is undefined 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1597 632fc199-4ca6-4c93-a231-07263d6284db
 2015-07-14 20:51:53 +00:00
DRC
10dc5cfeff Fix build whenever IDCT_SCALING_SUPPORTED is undefined 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1596 632fc199-4ca6-4c93-a231-07263d6284db
 2015-07-14 20:51:20 +00:00
DRC
b3817dab86 Throw idiomatic unchecked exceptions from the Java classes and JNI wrapper if there is an unrecoverable error caused by incorrect API usage (such as illegal arguments, etc.), and throw Errors if there is an unrecoverable error at the C level (such as a failed malloc() call.) 
Change the behavior of the bailif0() macro in the JNI wrapper so that it doesn't throw an exception for an unexpected NULL condition.  In fact, in all cases, the underlying JNI API function (such as GetFieldID(), etc.) will throw an Error on its own whenever it returns NULL, so our custom exceptions were never being thrown in that case anyhow.  All we need to do is just detect the error and bail out of the C code.

This also corrects a couple of formatting issues (semicolons aren't needed at the end of class definitions, and @Override should be specified for the methods we're overriding from super-classes, so the compiler can sanity-check that we're actually overriding a method and not declaring a new one.)


git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1595 632fc199-4ca6-4c93-a231-07263d6284db
 2015-07-14 20:42:52 +00:00
DRC
1a4778f8f0 Allow TJCompressor and TJDecompressor to be used with a try-with-resources statement in Java 7 and later. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1594 632fc199-4ca6-4c93-a231-07263d6284db
 2015-07-07 16:39:03 +00:00
DRC
c23e36e800 Add additional protections against defining INT32 if another header has already defined it (code borrowed from libjpeg v8.) This isn't necessary when using the libjpeg-turbo build system on Windows, because the CMake generated jconfig.h defines INT32 and then defines XMD_H to trick jmorecfg.h into not redefining it. However, some projects build libjpeg-turbo using their own build systems. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1593 632fc199-4ca6-4c93-a231-07263d6284db
 2015-07-06 16:04:04 +00:00
DRC
65c5ec2f0f Add additional protections against defining INT32 if another header has already defined it (code borrowed from libjpeg v8.) This isn't necessary when using the libjpeg-turbo build system on Windows, because the CMake generated jconfig.h defines INT32 and then defines XMD_H to trick jmorecfg.h into not redefining it. However, some projects build libjpeg-turbo using their own build systems. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1592 632fc199-4ca6-4c93-a231-07263d6284db
 2015-07-06 16:02:57 +00:00
DRC
9cc597221e Fix a memory leak in jpeg_skip_scanlines() 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1591 632fc199-4ca6-4c93-a231-07263d6284db
 2015-07-01 16:56:44 +00:00
DRC
6ed4d9d110 Increment SO_AGE to reflect the addition of a new interface to the libjpeg API 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1590 632fc199-4ca6-4c93-a231-07263d6284db
 2015-06-27 08:10:34 +00:00
DRC
306e1d2d77 Add jpeg_skip_scanlines() to the Windows DLL export list. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1589 632fc199-4ca6-4c93-a231-07263d6284db
 2015-06-27 08:10:33 +00:00
DRC
162c9985d6 Fix compiler warnings in jpeg_skip_scanlines() when building under Visual Studio. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1588 632fc199-4ca6-4c93-a231-07263d6284db
 2015-06-27 08:10:32 +00:00
DRC
7a7da9460a Add regression tests for jpeg_skip_scanlines(); change "stripe" to "strip" in djpeg; document -strip and -skip parameters in djpeg 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1587 632fc199-4ca6-4c93-a231-07263d6284db
 2015-06-27 08:10:31 +00:00
DRC
ac09954b1d Fix a couple of seg faults discovered when testing the new jpeg_skip_scanlines() function + remove comment that is no longer relevant. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1586 632fc199-4ca6-4c93-a231-07263d6284db
 2015-06-27 08:10:30 +00:00
DRC
6a25894472 Make sure that Java is disabled when 12-bit is enabled (Java requires TurboJPEG, which currently only supports 8-bit samples), and tabs-->spaces 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1585 632fc199-4ca6-4c93-a231-07263d6284db
 2015-06-27 07:57:44 +00:00
DRC
ecc583682a Make sure that Java is disabled when 12-bit is enabled (Java requires TurboJPEG, which currently only supports 8-bit samples), and tabs-->spaces 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1584 632fc199-4ca6-4c93-a231-07263d6284db
 2015-06-27 07:56:29 +00:00
DRC
07afe8a50f Add a -skip option to djpeg, which opens up further regression testing options. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1583 632fc199-4ca6-4c93-a231-07263d6284db
 2015-06-25 03:44:37 +00:00
DRC
eb32cc1e6d Add a new libjpeg API function (jpeg_skip_scanlines()) to allow for partially decoding a JPEG image. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1582 632fc199-4ca6-4c93-a231-07263d6284db
 2015-06-25 03:44:36 +00:00
DRC
691cd93383 Fix 'make dist' 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1574 632fc199-4ca6-4c93-a231-07263d6284db
 2015-06-20 16:36:32 +00:00
DRC
54014d9c2a The Linux build machine has been upgraded to autoconf 2.69, automake 1.15, m4 1.4.17, and libtool 2.4.6, so it is no longer necessary to recommend running autoreconf prior to building the source. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1573 632fc199-4ca6-4c93-a231-07263d6284db
 2015-06-20 16:27:51 +00:00
DRC
06bf10d19e Studies show that GCC v5.1.0 performs as well as or better than v4.2, but v4.7.x-v4.9.x do not perform as well as v4.2. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1572 632fc199-4ca6-4c93-a231-07263d6284db
 2015-06-20 16:21:33 +00:00
DRC
89b5e06df5 Studies show that GCC v5.1.0 performs as well as or better than v4.2, but v4.7.x-v4.9.x do not perform as well as v4.2. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1571 632fc199-4ca6-4c93-a231-07263d6284db
 2015-06-20 16:20:53 +00:00
DRC
eea6424596 Typo 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1570 632fc199-4ca6-4c93-a231-07263d6284db
 2015-06-20 15:51:34 +00:00
DRC
7a8c53e4bd Clarify that the TurboJPEG API functions/methods do not modify the source buffer. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1567 632fc199-4ca6-4c93-a231-07263d6284db
 2015-06-19 16:07:14 +00:00
DRC
db6d8fca59 Now that the TurboJPEG API is reporting libjpeg warnings as errors, an "Invalid SOS parameters for sequential JPEG" warning surfaced in tjDecodeYUV*(). This was caused by the Se member of jpeg_decompress_struct being set to 0 (it is normally set to a non-zero value when the start-of-scan markers are read, but there are no SOS markers in this case, because we're not actually decompressing a JPEG file.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1564 632fc199-4ca6-4c93-a231-07263d6284db
 2015-06-08 18:31:34 +00:00
DRC
f15ef33768 Fix a segfault that occured in the MIPS DSPr2 fancy upsampling routine when downsampled_width==3. Because the DSPr2 code unrolls the loop for the middle columns (refer to jdsample.c), it has the effect of performing two column iterations, and that only works properly if the number of columns (minus the first and last) is >= 2. For the specific case of downsampled_width==3, this patch skips to the second iteration of the unrolled column loop. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1562 632fc199-4ca6-4c93-a231-07263d6284db
 2015-06-08 17:41:34 +00:00
DRC
1f79c7c8c8 If a warning (such as "Premature end of JPEG file") is triggered in the underlying libjpeg API, make sure that the TurboJPEG API function returns -1. Unlike errors, however, libjpeg warnings do not make the TurboJPEG functions abort. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1561 632fc199-4ca6-4c93-a231-07263d6284db
 2015-06-01 19:22:41 +00:00
DRC
bec45b162b Back out r1555 and r1548. Using setenv() didn't fix the iOS simulator issue. It just replaced an undefined _putenv$UNIX2003 symbol with an undefined _setenv$UNIX2003 symbol. The correct solution seems to be to use -D_NONSTD_SOURCE when generating our official builds. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1557 632fc199-4ca6-4c93-a231-07263d6284db
 2015-05-17 15:56:18 +00:00
DRC
80bbd3908f Fix the Windows build. I remember now why I used putenv() originally-- because Windows doesn't have setenv(). We could use _putenv_s(), but older versions of MinGW don't have that either. Fortunately, since all of the environment values we're setting in turbojpeg.c are static, we can just map setenv() to putenv() using a macro. NOTE: we still have to use _putenv_s() in turbojpeg-jni.c, but at least people who may need to build with an older version of MinGW can still do so by disabling the Java build. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1555 632fc199-4ca6-4c93-a231-07263d6284db
 2015-05-16 04:18:21 +00:00
DRC
665c96edaa Allow building only static or only shared libraries on Windows 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1553 632fc199-4ca6-4c93-a231-07263d6284db
 2015-05-15 22:08:21 +00:00
DRC
3ebcc3206f __WORDSIZE doesn't seem to be available on platforms other than Mac or Linux, and best practices are for user-level code not to rely on it anyhow, since it's meant to be an internal macro. Fortunately, autoconf already has a way of determining the word size at configure time, so it can be passed into the compiler. This should work on any platform and has been tested on all of the Un*x platforms we support (Linux, Mac, FreeBSD, Solaris.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1550 632fc199-4ca6-4c93-a231-07263d6284db
 2015-05-15 19:09:44 +00:00
DRC
44320a210b Unless you define _ANSI_SOURCE, then putenv() on Mac is renamed to putenv$UNIX2003(), and this causes problems when trying to link an i386 iOS application (for the simulator) against the TurboJPEG static library. It's easiest to just use setenv() instead. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1548 632fc199-4ca6-4c93-a231-07263d6284db
 2015-05-15 18:23:59 +00:00
DRC
a8b6ea2f8d Fix a bug in the 64-bit Huffman encoder that Google discovered when encoding some very specific (and proprietary) aerial images using quality=98, an optimized Huffman table, and the ISLOW DCT. These images were causing the Huffman bit buffer to overflow, because the code for encoding the DC coefficient was using the equivalent of the 32-bit version of EMIT_BITS(). Thus, when 64-bit code was used, the DC coefficient code was not properly checking how many bits were in the buffer before attempting to add more bits to it. This issue appears to have existed in all versions of libjpeg-turbo. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1547 632fc199-4ca6-4c93-a231-07263d6284db
 2015-05-06 22:41:12 +00:00
DRC
96869f4b6e Restore backward compatibility with MSVC < 2010 (broken by r1541) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1543 632fc199-4ca6-4c93-a231-07263d6284db
 2015-04-30 09:05:53 +00:00
DRC
f64b36fd57 Oops. OS X doesn't define __WORDSIZE unless you include stdint.h, so apparently the Huffman codec hasn't ever been fully accelerated on 64-bit OS X. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1541 632fc199-4ca6-4c93-a231-07263d6284db
 2015-04-22 08:43:04 +00:00
DRC
89a3f970da Allow the executables and libraries outside of the sharedlib/ directory to be linked against msvcr*.dll instead of libcmt*.lib. This is reported to be necessary when building libjpeg-turbo for use with C#. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1539 632fc199-4ca6-4c93-a231-07263d6284db
 2015-03-19 19:27:40 +00:00
DRC
feccdcf8c8 Surround the usage of getenv() in the TurboJPEG API with #ifndef NO_GETENV so that developers can add -DNO_GETENV to the C flags when building for platforms that don't have getenv(). Currently this is known to be necessary when building for Windows Phone. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1537 632fc199-4ca6-4c93-a231-07263d6284db
 2015-02-23 19:19:40 +00:00
DRC
c69a1cd7a0 If libjpeg-turbo is configured with a non-default prefix, such as /usr, then use the docdir variable defined by autoconf 2.60 and later, if available. This will, for instance, install the documentation under /usr/share/doc/libjpeg-turbo by default if prefix=/usr, unless docdir is overridden. When using earlier versions of autoconf, docdir is set to ${datadir}/doc, as it always has been. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1535 632fc199-4ca6-4c93-a231-07263d6284db
 2015-02-23 19:06:44 +00:00
DRC
3b7015d5d8 Enable silent build rules for the NASM objects, if the source is configured with automake 1.11 or later. NOTE: the build still spits out "error: ignoring unknown tag NASM" for each object, but unfortunately, if we remove "--tag NASM" from the command line, the build breaks under older versions of automake (it aborts with "unable to infer tagged configuration.") 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1534 632fc199-4ca6-4c93-a231-07263d6284db
 2015-02-23 19:03:29 +00:00
DRC
cab2a8503e Set the RPM and deb architecture properly on non-x86 platforms. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1531 632fc199-4ca6-4c93-a231-07263d6284db
 2015-02-20 20:12:15 +00:00
DRC
771ab19437 Extend the AltiVec VMX SIMD routines to support little endian PowerPC platforms. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1529 632fc199-4ca6-4c93-a231-07263d6284db
 2015-02-20 19:57:21 +00:00
DRC
eb319ed8a4 Come on, Cohaagen, you got what you want. Give these people air! 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1528 632fc199-4ca6-4c93-a231-07263d6284db
 2015-01-28 00:26:28 +00:00
DRC
3f7608348d Come on, Cohaagen, you got what you want. Give these people air! 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1527 632fc199-4ca6-4c93-a231-07263d6284db
 2015-01-28 00:25:43 +00:00
DRC
2e429094a4 Oops. Need to set the alpha channel when using TYPE_4BYTE_ABGR*. This has no bearing on the actual tests, but it prevents the PNG pre-encode reference images for those tests from being blank. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1526 632fc199-4ca6-4c93-a231-07263d6284db
 2015-01-27 21:00:22 +00:00
DRC
dcf9f15d6e Oops. Need to set the alpha channel when using TYPE_4BYTE_ABGR*. This has no bearing on the actual tests, but it prevents the PNG pre-encode reference images for those tests from being blank. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1525 632fc199-4ca6-4c93-a231-07263d6284db
 2015-01-27 20:59:16 +00:00
DRC
8b5a0093ee Oops. The MIPS SIMD implementations of h2v1 and h2v2 upsampling were not checking for DSPr2 support, so running 'djpeg -nosmooth' on a non-DSPr2-enabled platform caused an "illegal instruction" error. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1523 632fc199-4ca6-4c93-a231-07263d6284db
 2015-01-21 17:42:28 +00:00
DRC
0e94025ac7 Introduce fast paths to speed up NULL color conversion somewhat, particularly when using 64-bit code; on the decompression side, the "slow path" also now use an approach similar to that of the compression side (with the component loop outside of the column loop rather than inside.) This is faster when using 32-bit code. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1521 632fc199-4ca6-4c93-a231-07263d6284db
 2015-01-20 10:33:32 +00:00
DRC
c60d662ee4 Some clarifications (actually MIPS doesn't implement the float DCT/IDCT using SIMD instructions) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1517 632fc199-4ca6-4c93-a231-07263d6284db
 2015-01-16 07:16:53 +00:00
DRC
3af282df3c Make the floating point regression tests optional. It has been known for quite some time that these tests do not always generate the same results unless there is full SIMD coverage of the floating point algorithms in libjpeg-turbo. Further research reveals that there are basically three expected results: the results from our SSE SIMD extensions (which are slightly more accurate than the C code), results from the C code when running on a 32-bit FPU (or when using SSE instructions on an x86-64 CPU, which is the default with GCC), and results from the C code when running on a 64-bit FPU (which presumably uses double-precision arithmetic by default.) There is basically no way to determine which type of math will be used prior to run time, so it's best to just let the developers specify which result they expect on their particular system. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1515 632fc199-4ca6-4c93-a231-07263d6284db
 2015-01-16 06:53:36 +00:00
DRC
dd7f03be56 In the process of developing the AltiVec extensions, it was discovered that the normal regression tests aren't sufficient to test the behavior of the library with very small image sizes and when compressing from/decompressing to a subregion of a larger image buffer. Thus, an additional regression test was added that takes advantage of the tiled compression/decompression feature in tjbench. This is being back-ported to the 1.4.x branch primarily to verify that there are no lingering issues in the existing SIMD extensions. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1514 632fc199-4ca6-4c93-a231-07263d6284db
 2015-01-16 06:45:54 +00:00
DRC
cbc4b53169 Add separate pseudo-targets for the TurboJPEG and libjpeg regression tests, for those times when you just don't want to sit through 11 iterations of TJUnitTest to find out that your algorithm is broken. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1513 632fc199-4ca6-4c93-a231-07263d6284db
 2015-01-16 06:37:03 +00:00
DRC
ffd9d052f6 Bump copyright year 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1512 632fc199-4ca6-4c93-a231-07263d6284db
 2015-01-16 06:34:08 +00:00
DRC
cbc9970ecb Add the ability to benchmark YCCK JPEG compression/decompression. This is particularly useful since that is the only way to test the performance of the "plain" upsampling routines, which are accelerated on some platforms. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1511 632fc199-4ca6-4c93-a231-07263d6284db
 2015-01-16 06:29:52 +00:00
DRC
2b7a391672 1.4.1 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1510 632fc199-4ca6-4c93-a231-07263d6284db
 2015-01-16 06:17:05 +00:00
DRC
2e2ea8e02c Document AltiVec extensions 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1508 632fc199-4ca6-4c93-a231-07263d6284db
 2015-01-16 03:21:05 +00:00
DRC
246b01bb0a Revert r1506 (we actually are generating columns with the IDCT, so the naming makes sense in retrospect); further de-confusification in the forward DCT 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1507 632fc199-4ca6-4c93-a231-07263d6284db
 2015-01-16 03:13:16 +00:00
DRC
c4e3c361d7 De-confusify the variable names a bit -- "out" represents the output of the IDCT kernel, so use "final" to represent the packed data that will be stored to memory. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1506 632fc199-4ca6-4c93-a231-07263d6284db
 2015-01-15 08:51:31 +00:00
DRC
2ab5ea6c48 Add the ability to benchmark YCCK JPEG compression/decompression. This is particularly useful since that is the only way to test the performance of the "plain" upsampling routines, which are accelerated on some platforms. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1505 632fc199-4ca6-4c93-a231-07263d6284db
 2015-01-14 19:39:01 +00:00
DRC
c641cddb80 AltiVec SIMD implementation of H2V1 and H2V2 plain upsampling (used only when decompressing YCCK images with fast upsampling enabled.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1504 632fc199-4ca6-4c93-a231-07263d6284db
 2015-01-14 15:41:11 +00:00
DRC
86af36aebc AltiVec SIMD implementation of H2V1 and H2V2 merged upsampling 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1503 632fc199-4ca6-4c93-a231-07263d6284db
 2015-01-14 13:27:32 +00:00
DRC
11c4010c3c Fix an overread detected by valgrind 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1502 632fc199-4ca6-4c93-a231-07263d6284db
 2015-01-14 13:07:06 +00:00
DRC
2517ef72ed Fix bugs in the AltiVec fancy upsampling routines uncovered during additional testing with small image sizes. Since the input width is half the output width, the upsampler should only write a second 16-byte chuck if there are more than 8 input columns left. Additionally, if the width is < 16, then we need to insert a dummy sample (the SSE2 code does this as well, but I neglected to port that portion of the code for some reason.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1501 632fc199-4ca6-4c93-a231-07263d6284db
 2015-01-14 10:45:31 +00:00
DRC
9ab2c1071b In the process of developing the AltiVec extensions, it was discovered that the normal regression tests aren't sufficient to test the behavior of the library with very small image sizes and when compressing from/decompressing to a subregion of a larger image buffer. Thus, an additional regression test was added that takes advantage of the tiled compression/decompression feature in tjbench. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1500 632fc199-4ca6-4c93-a231-07263d6284db
 2015-01-14 08:42:29 +00:00
DRC
cbcb53617b Fix a bug in the AltiVec downsampling routines uncovered during additional testing with small image sizes. Since the output width is half the input width, the downsampler should only read a second 16-byte chunk if there are more than 8 output columns left. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1499 632fc199-4ca6-4c93-a231-07263d6284db
 2015-01-14 08:31:54 +00:00
DRC
ada430bb3d Make the formatting and naming of variables and constants more consistent 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1498 632fc199-4ca6-4c93-a231-07263d6284db
 2015-01-13 11:49:15 +00:00
DRC
406bb01ca2 Make the formatting and naming of variables and constants more consistent 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1497 632fc199-4ca6-4c93-a231-07263d6284db
 2015-01-13 11:47:20 +00:00
DRC
a6a24c270e Make the formatting and naming of variables and constants more consistent 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1496 632fc199-4ca6-4c93-a231-07263d6284db
 2015-01-13 10:00:12 +00:00
DRC
52a4ec6c8a AltiVec SIMD implementation of H2V1 and H2V2 fancy upsampling 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1495 632fc199-4ca6-4c93-a231-07263d6284db
 2015-01-13 09:02:29 +00:00
DRC
8f7f49a014 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1494 632fc199-4ca6-4c93-a231-07263d6284db 2015-01-12 08:36:37 +00:00
DRC
cf78941db4 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1493 632fc199-4ca6-4c93-a231-07263d6284db 2015-01-12 08:36:25 +00:00
DRC
51eba06011 Minor code readability tweak 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1492 632fc199-4ca6-4c93-a231-07263d6284db
 2015-01-11 07:38:35 +00:00
DRC
d71a6e0c25 Use intrinsics for loading aligned data in the IDCT functions. This has no effect on performance, but it makes it more obvious what that code is doing. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1491 632fc199-4ca6-4c93-a231-07263d6284db
 2015-01-11 06:34:47 +00:00
DRC
f0abd46c3b Bump copyright year 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1490 632fc199-4ca6-4c93-a231-07263d6284db
 2015-01-11 00:58:44 +00:00
DRC
ac4daa7716 AltiVec SIMD implementation of YCC-to-RGB color conversion 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1489 632fc199-4ca6-4c93-a231-07263d6284db
 2015-01-10 22:56:26 +00:00
DRC
af69295d3f Fix minor issue in code comments 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1488 632fc199-4ca6-4c93-a231-07263d6284db
 2015-01-10 12:25:42 +00:00
DRC
6aed11293d Fix minor issue in code comments 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1487 632fc199-4ca6-4c93-a231-07263d6284db
 2015-01-10 12:10:08 +00:00
DRC
a5005751a3 Simplify the code somewhat. It actually wasn't necessary to have a "fast path" and a "medium path"-- they perform the same. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1486 632fc199-4ca6-4c93-a231-07263d6284db
 2015-01-10 12:09:11 +00:00
DRC
25347882ed Overhaul the AltiVec vector loading code in the compression-side colorspace conversion routines. The existing code was sometimes overreading the source buffer (at least according to valgrind), and it was necessary to increase the complexity of the code in order to prevent this without significantly compromising performance. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1485 632fc199-4ca6-4c93-a231-07263d6284db
 2015-01-10 11:32:36 +00:00
DRC
8de75d0f57 Fix minor issue in code comments 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1484 632fc199-4ca6-4c93-a231-07263d6284db
 2015-01-08 10:42:54 +00:00
DRC
22048207ea AltiVec SIMD implementation of 2x1 and 2x2 downsampling 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1483 632fc199-4ca6-4c93-a231-07263d6284db
 2015-01-08 06:18:33 +00:00
DRC
2b223a034b Oops. Delete the duplicate copy of [lib]turbojpeg.dll in the binary directory when uninstalling the package. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1482 632fc199-4ca6-4c93-a231-07263d6284db
 2015-01-07 05:47:08 +00:00
DRC
c4930d8b0d Oops. Delete the duplicate copy of [lib]turbojpeg.dll in the binary directory when uninstalling the package. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1477 632fc199-4ca6-4c93-a231-07263d6284db
 2015-01-07 01:19:49 +00:00
DRC
577ecd93f1 AltiVec SIMD implementation of sample conversion and integer quantization 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1474 632fc199-4ca6-4c93-a231-07263d6284db
 2014-12-23 04:14:54 +00:00
DRC
ff30c63934 Document the fact that the AltiVec implementation uses the same modified algorithms as the SSE2 implementation 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1473 632fc199-4ca6-4c93-a231-07263d6284db
 2014-12-23 02:42:59 +00:00
DRC
45453085e7 Use intrinsics for loading/storing data in the DCT/IDCT functions. This has no effect on the performance of the aligned loads/stores, but it makes it more obvious what that code is doing. Using intrinsics for the unaligned stores in the inverse DCT functions increases overall decompression performance by 1-2%. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1472 632fc199-4ca6-4c93-a231-07263d6284db
 2014-12-22 16:04:17 +00:00
DRC
b1fec4ff98 AltiVec SIMD implementation of RGB-to-Grayscale color conversion 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1471 632fc199-4ca6-4c93-a231-07263d6284db
 2014-12-22 14:10:33 +00:00
DRC
5976e42550 Remove unneeded code; Make sure jccolor-altivec.o will be rebuilt if jccolext-altivec.c changes. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1470 632fc199-4ca6-4c93-a231-07263d6284db
 2014-12-22 13:57:30 +00:00
DRC
62bae204f4 AltiVec SIMD implementation of RGB-to-YCC color conversion 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1469 632fc199-4ca6-4c93-a231-07263d6284db
 2014-12-22 13:42:26 +00:00
DRC
8163aad6cc Make test a phony target so things don't go haywire if there is a file named test.c in the current directory. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1468 632fc199-4ca6-4c93-a231-07263d6284db
 2014-12-22 13:41:18 +00:00
DRC
99f125ec07 Maintain the traditional order of the regression tests while allowing the TurboJPEG and libjpeg portions to be executed separately 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1467 632fc199-4ca6-4c93-a231-07263d6284db
 2014-12-22 13:15:08 +00:00
DRC
13af139624 Make comments more consistent 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1466 632fc199-4ca6-4c93-a231-07263d6284db
 2014-12-22 01:38:01 +00:00
DRC
87fd253bd0 Add a "quicktest" pseudo-target, for those times when you just don't want to sit through 11 iterations of TJUnitTest. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1465 632fc199-4ca6-4c93-a231-07263d6284db
 2014-12-22 01:32:51 +00:00
DRC
bf8a5feb79 Cosmetic tweaks to the PowerPC SIMD stubs 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1464 632fc199-4ca6-4c93-a231-07263d6284db
 2014-12-22 01:10:11 +00:00
DRC
535674b1b8 Split AltiVec algorithms into separate files for ease of maintenance; Rename constants using lowercase so they are not confused with macros 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1463 632fc199-4ca6-4c93-a231-07263d6284db
 2014-12-22 01:00:42 +00:00
DRC
c9da78525b Optimizations to the AltiVec DCT algorithms (pre-compute constants and combine multiply/add operations) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1462 632fc199-4ca6-4c93-a231-07263d6284db
 2014-12-20 03:32:59 +00:00
DRC
0691162a8b AltiVec SIMD implementation of slow integer inverse DCT 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1461 632fc199-4ca6-4c93-a231-07263d6284db
 2014-12-20 01:17:39 +00:00
DRC
9cb418d221 Use macros to allocate constants statically, rather than reading them from a table using vec_splat*(). This improves code readability and probably improves performance a bit as well. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1460 632fc199-4ca6-4c93-a231-07263d6284db
 2014-12-20 01:16:26 +00:00
DRC
935d1d6398 Swap the order of the IFAST and ISLOW FDCT functions so that it matches the order of the prototypes in jsimd.h and the stubs in jsimd_powerpc.c. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1459 632fc199-4ca6-4c93-a231-07263d6284db
 2014-12-20 01:14:38 +00:00
DRC
86ae5913b1 Include ARMv8 binaries when generating a combined OS X/iOS package using 'make iosdmg' 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1458 632fc199-4ca6-4c93-a231-07263d6284db
 2014-12-19 18:28:00 +00:00
DRC
d51e6c2f6b Document that the ARMv8/iOS issues are now fixed 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1454 632fc199-4ca6-4c93-a231-07263d6284db
 2014-12-19 18:18:46 +00:00
DRC
6842c7c023 Remove reference to install.txt, which we do not include from the IJG distribution 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1453 632fc199-4ca6-4c93-a231-07263d6284db
 2014-12-19 18:07:04 +00:00
DRC
6e6b28c3ce Include ARMv8 binaries when generating a combined OS X/iOS package using 'make iosdmg' 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1452 632fc199-4ca6-4c93-a231-07263d6284db
 2014-12-19 17:34:30 +00:00
DRC
b9c4b58ab2 In the output of the configure script, indicate whether gas-preprocessor.pl is being used along with the assembler. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1451 632fc199-4ca6-4c93-a231-07263d6284db
 2014-12-19 15:40:21 +00:00
DRC
62999d7708 Modify the ARM64 assembly file so that it uses only syntax that the clang assembler in XCode 5.x can understand. These changes should all be cosmetic in nature-- they do not change the meaning or readability of the code nor the ability to build it for Linux. Actually, the code is now more in compliance with the ARM64 programming manual. In addition to these changes, there were a couple of instructions that clang simply doesn't support, so gas-preprocessor.pl was modified so that it now converts those into equivalent instructions that clang can handle. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1450 632fc199-4ca6-4c93-a231-07263d6284db
 2014-12-19 15:36:39 +00:00
DRC
ceb552a9c9 Add iOS architectures to the shared libraries generated by the Mac/iOS packaging system. I have no idea how useful this is for "standard" iOS application development, but it is useful in a jailbreak environment, and iOS 8 supposedly allows shared libs in "official" apps as well. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1447 632fc199-4ca6-4c93-a231-07263d6284db
 2014-12-19 10:44:09 +00:00
DRC
e59196dbdf 1.4.0 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1446 632fc199-4ca6-4c93-a231-07263d6284db
 2014-12-19 09:35:11 +00:00
DRC
6cb7f40a18 AltiVec SIMD implementation of fast integer inverse DCT 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1445 632fc199-4ca6-4c93-a231-07263d6284db
 2014-12-18 10:12:29 +00:00
DRC
040435afb9 Further cleanup of the AltiVec forward DCT code: 
-- Use macros to represent the fast FDCT constants, to facilitate comparing the AltiVec implementation of the algorithm with the SSE2 implementation.
-- Rename slow FDCT constants for consistency.
-- Use vec_sra() in all cases in the slow FDCT code.  The SSE2 implementation uses psraw, which is an arithmetic shift, so we need to do likewise with AltiVec.  Using vec_sr() hasn't caused any problems yet, but it is conceivable that it might cause different behavior in certain corner cases.


git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1444 632fc199-4ca6-4c93-a231-07263d6284db
 2014-12-18 09:49:39 +00:00
DRC
fb0c394037 AltiVec SIMD implementation of slow integer forward DCT; Clean up fast integer forward DCT code so that it is easier to see how it derives from the SSE2 code and to make it play more nicely with the slow FDCT code. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1443 632fc199-4ca6-4c93-a231-07263d6284db
 2014-12-17 08:04:39 +00:00
DRC
e1ac40104c Fix cosmetic issues in AltiVec comments 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1442 632fc199-4ca6-4c93-a231-07263d6284db
 2014-12-17 08:00:29 +00:00
DRC
3f764b7253 Fix 'make dist' 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1441 632fc199-4ca6-4c93-a231-07263d6284db
 2014-12-14 11:47:49 +00:00
DRC
1e2f49619e Fix 'make dist' 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1440 632fc199-4ca6-4c93-a231-07263d6284db
 2014-12-14 11:47:08 +00:00
DRC
4c773cff16 Fix typos in test names 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1439 632fc199-4ca6-4c93-a231-07263d6284db
 2014-12-08 23:23:41 +00:00
DRC
a29d6b4113 Remove unused code 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1437 632fc199-4ca6-4c93-a231-07263d6284db
 2014-12-01 20:13:12 +00:00
DRC
b329697ded Fix build when INPUT_SMOOTHING_SUPPORTED is undefined 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1435 632fc199-4ca6-4c93-a231-07263d6284db
 2014-12-01 19:54:15 +00:00
DRC
2a6b8316fc Some software also needs the FAR macro. Ugh. Also wordsmithing. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1432 632fc199-4ca6-4c93-a231-07263d6284db
 2014-11-25 10:07:43 +00:00
DRC
e2dd3e3e5c Restore the JPP() and JMETHOD() macros. Even though libjpeg-turbo doesn't use them anymore, other software apparently does: 
https://bugzilla.redhat.com/show_bug.cgi?id=1164815
https://bugs.kde.org/show_bug.cgi?id=340944
https://bugzilla.mozilla.org/show_bug.cgi?id=1093615


git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1430 632fc199-4ca6-4c93-a231-07263d6284db
 2014-11-25 09:48:15 +00:00
DRC
0f4469c52f Oops. Include the tjPlane*() functions in the mapfile so that they are exposed in the shared library on ELF systems. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1429 632fc199-4ca6-4c93-a231-07263d6284db
 2014-11-22 23:56:26 +00:00
DRC
bb383b4175 Fix Huffman local buffer overrun discovered by Debian developers when attempting to transform a junk image using ImageMagick: 
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=768369


git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1427 632fc199-4ca6-4c93-a231-07263d6284db
 2014-11-22 22:24:41 +00:00
DRC
402a715f82 Fix Huffman local buffer overrun discovered by Debian developers when attempting to transform a junk image using ImageMagick: 
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=768369


git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1426 632fc199-4ca6-4c93-a231-07263d6284db
 2014-11-22 22:09:30 +00:00
DRC
306add8b78 Fix whitespace issues introduced with previous commit. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1423 632fc199-4ca6-4c93-a231-07263d6284db
 2014-11-22 04:25:04 +00:00
DRC
9665f5e3f9 Print the library version and exit whenever -version is passed to cjpeg, djpeg, or jpegtran. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1422 632fc199-4ca6-4c93-a231-07263d6284db
 2014-11-22 04:04:38 +00:00
DRC
ef263e3e83 Make TJCompressor.close() and TJDecompressor.close() idempotent 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1420 632fc199-4ca6-4c93-a231-07263d6284db
 2014-11-21 15:35:33 +00:00
DRC
0426cd3441 Sometimes the sampling factors in grayscale images can be > 1 (for instance, if compressing using 'cjpeg -sample 2x2 -grayscale'.) Technically, sampling factors have no meaning with grayscale JPEGs, and the libjpeg decompressor ignores them in that case. Thus, the TurboJPEG decompressor should ignore them as well. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1419 632fc199-4ca6-4c93-a231-07263d6284db
 2014-11-21 15:33:19 +00:00
DRC
ea1eea4742 Sometimes the sampling factors in grayscale images can be > 1 (for instance, if compressing using 'cjpeg -sample 2x2 -grayscale'.) Technically, sampling factors have no meaning with grayscale JPEGs, and the libjpeg decompressor ignores them in that case. Thus, the TurboJPEG decompressor should ignore them as well. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1418 632fc199-4ca6-4c93-a231-07263d6284db
 2014-11-19 00:55:28 +00:00
DRC
3ebcf7cf86 Make TJCompressor.close() and TJDecompressor.close() idempotent 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1416 632fc199-4ca6-4c93-a231-07263d6284db
 2014-11-18 21:45:34 +00:00
DRC
803b5d24a8 Uses clz and bsr instructions for bit counting on ARM64 platforms as well. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1414 632fc199-4ca6-4c93-a231-07263d6284db
 2014-11-18 15:56:43 +00:00
DRC
eca0637c81 Remove trailing spaces 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1412 632fc199-4ca6-4c93-a231-07263d6284db
 2014-11-06 09:32:38 +00:00
DRC
55620c6ef2 Another oops. tjBufSizeYUV2() should return -1 if width < 1. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1410 632fc199-4ca6-4c93-a231-07263d6284db
 2014-10-23 19:08:14 +00:00
DRC
2240974d5d Oops. tjPlaneSizeYUV() should return -1 if componentID > 0 and subsamp==TJSAMP_GRAY. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1408 632fc199-4ca6-4c93-a231-07263d6284db
 2014-10-23 18:54:42 +00:00
DRC
7affbfc241 The AltiVec code actually works on 32-bit PowerPC platforms as well, so change the "powerpc64" token to "powerpc". Also clean up the shift code, which wasn't building properly on OS X. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1406 632fc199-4ca6-4c93-a231-07263d6284db
 2014-09-05 07:23:12 +00:00
DRC
cd2d8e1cc7 AltiVec SIMD implementation of fast forward DCT 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1405 632fc199-4ca6-4c93-a231-07263d6284db
 2014-09-05 06:33:42 +00:00
DRC
f72f1f2e94 Bump version to 1.5 alpha1 to prepare for new features 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1404 632fc199-4ca6-4c93-a231-07263d6284db
 2014-09-04 18:51:31 +00:00
DRC
bbd9b71171 When building libjpeg-turbo on Un*x systems, INT32 is usually typedef'ed to long, not int, so we need to specify an int pointer when doing a 4-byte write to the RGB565 output buffer. On little endian systems, this doesn't matter, but when you write a 32-bit int to a 64-bit long pointer address on a big endian system, you are writing to the upper 4 bytes, not the lower 4 bytes. NOTE: this will probably break on big endian systems that use 16-bit ints (are there any of those still around?) 
This patch also removes an unneeded macro from jdmerge.c.


git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1403 632fc199-4ca6-4c93-a231-07263d6284db
 2014-09-04 17:35:22 +00:00
DRC
c0a8256a92 When building libjpeg-turbo on Un*x systems, INT32 is usually typedef'ed to long, not int, so we need to specify an int pointer when doing a 4-byte write to the RGB565 output buffer. On little endian systems, this doesn't matter, but when you write a 32-bit int to a 64-bit long pointer address on a big endian system, you are writing to the upper 4 bytes, not the lower 4 bytes. NOTE: this will probably break on big endian systems that use 16-bit ints (are there any of those still around?) 
This patch also removes an unneeded macro from jdmerge.c.


git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1402 632fc199-4ca6-4c93-a231-07263d6284db
 2014-09-04 17:28:28 +00:00
DRC
1d4c51a0ac Fix Windows build 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1401 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-30 22:01:05 +00:00
DRC
72a3cc0ecd Fix issues with RGB565 color conversion on big endian machines. The RGB565 routines are now abstracted in a separate file, with separate little-endian and big-endian versions defined at compile time through the use of macros (this is similar to how the colorspace extension routines work.) This allows big-endian machines to take advantage of the same performance optimizations as little-endian machines, and it retains the performance on little-endian machines, since the conditional branch for endianness is at a very coarse-grained level. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1399 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-30 20:37:50 +00:00
DRC
339589f3cd Fix build on OS X PowerPC platforms 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1397 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-30 13:55:08 +00:00
DRC
eb8d096ba6 Fix build on OS X PowerPC platforms 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1396 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-30 13:52:09 +00:00
DRC
fe77fa22d9 Oops. Forgot to alter the version header in the change log to indicate the release of 1.4 beta. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1394 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-30 13:48:45 +00:00
DRC
88b6c97568 Create 1.4.x branch 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1391 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-29 02:39:35 +00:00
DRC
0a9a252654 Rename the ARM64 assembly file to match the C file 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1390 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-29 01:53:17 +00:00
DRC
de26249a99 Fix several mathematical issues discovered in the ARM64 NEON code while running the extended regression tests introduced in r1267. Specific comments can be found in the original patches: 
https://sourceforge.net/p/libjpeg-turbo/patches/64/


git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1389 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-29 01:49:59 +00:00
DRC
a6efae1488 Reformat code per Siarhei's original patch (to clearly indicate that the offset instructions are completely independent) and add Siarhei as an individual author (he no longer works for Nokia.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1388 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-25 15:26:09 +00:00
DRC
e947139c7c Clarify forward compatibility of iOS/ARM builds 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1387 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-23 17:48:17 +00:00
DRC
bdc7650b9e ARM64 NEON SIMD support for YCC-to-RGB565 conversion 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1386 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-23 15:57:38 +00:00
DRC
d729f4da9c ARM NEON SIMD support for YCC-to-RGB565 conversion, and optimizations to the existing YCC-to-RGB conversion code: 
-----

aee36252be.patch

From aee36252be20054afce371a92406fc66ba6627b5 Mon Sep 17 00:00:00 2001
From: Siarhei Siamashka <siarhei.siamashka@gmail.com>
Date: Wed, 13 Aug 2014 03:50:22 +0300
Subject: [PATCH] ARM: Faster NEON yuv->rgb conversion for Krait and Cortex-A15

The older code was developed and tested only on ARM Cortex-A8 and ARM Cortex-A9.
Tuning it for newer ARM processors can introduce some speed-up (up to 20%).

The performance of the inner loop (conversion of 8 pixels) improves from
~27 cycles down to ~22 cycles on Qualcomm Krait 300, and from ~20 cycles
down to ~18 cycles on ARM Cortex-A15.

The performance remains exactly the same on ARM Cortex-A7 (~58 cycles),
ARM Cortex-A8 (~25 cycles) and ARM Cortex-A9 (~30 cycles) processors.

Also use larger indentation in the source code for separating two independent
instruction streams.

-----

a5efdbf22c.patch

From a5efdbf22ce9c1acd4b14a353cec863c2c57557e Mon Sep 17 00:00:00 2001
From: Siarhei Siamashka <siarhei.siamashka@gmail.com>
Date: Wed, 13 Aug 2014 07:23:09 +0300
Subject: [PATCH] ARM: NEON optimized yuv->rgb565 conversion

The performance of the inner loop (conversion of 8 pixels):
* ARM Cortex-A7:  ~55 cycles
* ARM Cortex-A8:  ~28 cycles
* ARM Cortex-A9:  ~32 cycles
* ARM Cortex-A15: ~20 cycles
* Qualcomm Krait: ~24 cycles

Based on the Linaro rgb565 patch from
    https://sourceforge.net/p/libjpeg-turbo/patches/24/
but implements better instructions scheduling.


git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1385 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-23 15:47:51 +00:00
DRC
eb66974f3a Ensure that tjFree() is used for any JPEG buffers that might have been dynamically allocated by the compress/transform functions. To keep things simple, we use tjAlloc() for the statically-allocated buffer as well, so that tjFree() can always be used to free the buffer, regardless of whether it was allocated by tjbench or by the TurboJPEG library. This fixes crashes that occurred on Windows when running tjunittest or tjbench with the -alloc flag. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1384 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-22 19:59:51 +00:00
DRC
f5644c3498 Ensure that tjFree() is used for any JPEG buffers that might have been dynamically allocated by the compress/transform functions. To keep things simple, we use tjAlloc() for the statically-allocated buffer as well, so that tjFree() can always be used to free the buffer, regardless of whether it was allocated by tjbench or by the TurboJPEG library. This fixes crashes that occurred on Windows when running tjunittest or tjbench with the -alloc flag. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1383 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-22 19:27:28 +00:00
DRC
55e328ecb8 Revert r1335 and r1336. It was a valiant effort, but on Windows, xmm8-xmm15 are non-volatile, and the overhead of pushing them onto the stack at the beginning of each function and popping them at the end was causing worse performance (in the neighborhood of 3-5%) than just using the work areas and limiting the register usage to xmm0-xmm7. Best to leave the SSE2 code alone. We can optimize the register usage for AVX2, once that port takes place. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1382 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-22 18:30:44 +00:00
DRC
3d5189891b Don't use sudo when building a Debian package unless the user is non-root 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1381 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-22 17:21:09 +00:00
DRC
bdb36e1a14 Windows doesn't have setenv(). Go, go Gadget Macros. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1380 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-22 15:39:32 +00:00
DRC
022a9016df 1.4 beta1 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1379 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-22 14:22:00 +00:00
DRC
e408761dda Fix 'make dist' 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1378 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-22 14:19:12 +00:00
DRC
9b012bd026 Don't use sudo when building a Debian package unless the user is non-root 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1377 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-22 14:15:08 +00:00
DRC
0713c1bb54 Add a set of undocumented environment variables and Java system properties that allow compression features of libjpeg that are not normally exposed in the TurboJPEG API to be enabled. These features are not normally exposed because, for the most part, they aren't "turbo" features, but it is still useful to be able to benchmark them without modifying the code. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1376 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-22 13:43:33 +00:00
DRC
2e2ce5a1da .func/.endfunc are only necessary when generating STABS debug info, which basically went out of style with parachute pants and Rick Astley. At any rate, none of the platforms for which we're building the ARM code use it (DWARF is the common format these days), and the .func/.endfunc directives cause the clang integrated assembler to fail (http://llvm.org/bugs/show_bug.cgi?id=20424). 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1375 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-22 11:31:46 +00:00
DRC
684ace1924 Extend tjbenchtest so that it tests the dynamic JPEG buffer allocation feature in TurboJPEG. Disable the tiling feature in TJBench whenever dynamic buffer allocation is enabled (because the tiling feature requires a separate buffer for each tile, using it successfully with dynamic buffer allocation would require a separate TurboJPEG compressor instance for each tile, and it's not worth going to that trouble right now.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1374 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-22 03:04:06 +00:00
DRC
d92949b0ac Run the TurboJPEG conformance tests out of a directory in /tmp (for improved performance, if the source directory is on a remote file share.) Fix an issue in TJBench.java that prevented it from working properly if the source image resided in a directory with a dot in the name. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1373 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-22 03:00:37 +00:00
DRC
43513893f0 Extend tjbenchtest so that it tests the dynamic JPEG buffer allocation feature in TurboJPEG. Disable the tiling feature in TJBench whenever dynamic buffer allocation is enabled (because the tiling feature requires a separate buffer for each tile, using it successfully with dynamic buffer allocation would require a separate TurboJPEG compressor instance for each tile, and it's not worth going to that trouble right now.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1372 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-22 02:57:34 +00:00
DRC
a1a920cc51 Run the TurboJPEG conformance tests out of a directory in /tmp (for improved performance, if the source directory is on a remote file share.) Fix an issue in TJBench.java that prevented it from working properly if the source image resided in a directory with a dot in the name. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1371 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-22 02:51:16 +00:00
DRC
88b90bdc07 Oops 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1370 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-21 22:16:25 +00:00
DRC
cce13c767e Subtle point, but dest->outbuffer is a pointer to the address of the JPEG buffer, which is stored in the calling program. Thus, *(dest->outbuffer) will always equal *outbuffer. We need to compare *outbuffer with dest->buffer instead to determine if the pointer is being reused. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1369 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-21 22:15:19 +00:00
DRC
fe80ec2275 If the output buffer in the TurboJPEG destination manager was allocated by the destination manager and is being reused from a previous compression operation, then we need to get the buffer size from the previous operation, since the calling program doesn't know the actual buffer size. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1368 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-21 15:51:47 +00:00
DRC
2261e1e408 Actually, we need to increase the size of BUFSIZE, not just the size of _buffer. The previous patch might have cause problems if, for instance, state->free_in_buffer was 127 but 129 bytes were compressed. In that case, only 127 of the 129 bytes would have been written to the file. Also document the fix. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1367 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-21 03:40:37 +00:00
DRC
eddc355d18 Actually, we need to increase the size of BUFSIZE, not just the size of _buffer. The previous patch might have cause problems if, for instance, state->free_in_buffer was 127 but 129 bytes were compressed. In that case, only 127 of the 129 bytes would have been written to the file. Also document the fix. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1366 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-21 03:38:14 +00:00
DRC
29823fa9a6 Fix an extremely rare crash that can occur when compressing a very high-frequency MCU using quality 100 and no subsampling, and when dynamically allocating the JPEG buffer in the destination manager. Even with a test program designed specifically to reproduce the crash, it only occurred once in about 25 million iterations. More details here: https://sourceforge.net/p/libjpeg-turbo/bugs/64 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1365 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-21 01:55:22 +00:00
DRC
9c168ad23b Fix an extremely rare crash that can occur when compressing a very high-frequency MCU using quality 100 and no subsampling, and when dynamically allocating the JPEG buffer in the destination manager. Even with a test program designed specifically to reproduce the crash, it only occurred once in about 25 million iterations. More details here: https://sourceforge.net/p/libjpeg-turbo/bugs/64 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1364 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-21 01:53:47 +00:00
DRC
f6d7b7768b Wordsmithing & clarifications 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1363 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-20 16:02:49 +00:00
DRC
bc3c1685a7 Document the existence of the new ARM64 SIMD code 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1362 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-20 15:40:43 +00:00
DRC
19224b2252 Properly detect the need for gas-preprocessor.pl when building for ARM64 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1361 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-20 13:14:46 +00:00
DRC
40dd3146cd Refactored YUVImage Java class so that it supports both unified YUV image buffers as well as separate YUV image planes; modified the JNI functions accordingly and added new helper functions to the TurboJPEG C API (tjPlaneWidth(), tjPlaneHeight(), tjPlaneSizeYUV()) to facilitate those modifications; changed potentially confusing "component width" and "component height" terms to "plane width" and "plane height" and modified variable names in turbojpeg.c to reflect this; numerous other documentation tweaks 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1360 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-17 12:23:49 +00:00
DRC
5d87f6ddff Make the wrapped functions static 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1359 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-15 16:40:56 +00:00
DRC
d2a7495012 Make the wrapped functions static 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1358 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-15 16:40:34 +00:00
DRC
b7c8c86d6a Whitespace formatting tweaks 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1357 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-15 16:20:59 +00:00
DRC
e31e49478c Allow the int pixel versions of the various TurboJPEG JNI functions to share the same code as the byte pixel versions. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1356 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-15 16:20:06 +00:00
DRC
80cb26444a Whitespace formatting tweaks 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1355 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-15 16:08:12 +00:00
DRC
a4940d1396 Add descriptions to help sort out which function goes with which version of the API. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1354 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-15 16:07:15 +00:00
DRC
32760451fe Add descriptions to help sort out which function goes with which version of the API. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1353 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-15 15:40:02 +00:00
DRC
fa8bcb825c Compiler warnings 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1352 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-15 14:44:09 +00:00
DRC
580f391537 Fix build broken by r1349 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1351 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-15 14:40:36 +00:00
DRC
46a0392cf3 Compiler warnings 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1350 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-15 14:40:05 +00:00
DRC
26dd86bd89 Restore backward compatibility between libjpeg-turbo 1.3.x JAR and the new JNI library 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1349 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-15 14:01:21 +00:00
DRC
927a10db05 Allow the int pixel versions of the various TurboJPEG JNI functions to share the same code as the byte pixel versions. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1348 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-15 13:18:58 +00:00
DRC
cdcac99f6d Clean up exception handling in the JNI code. The exception is actually not thrown until the function exits, so we can let the code fall through to bailout: if the TurboJPEG C function fails. Also, per the JNI spec, no other JNI functions can be called between GetPrimitiveArrayCritical() and ReleasePrimitiveArrayCritical(). This hasn't caused any problems thus far, but better safe than sorry. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1347 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-14 17:24:01 +00:00
DRC
8951cf01fe Clean up exception handling in the JNI code. The exception is actually not thrown until the function exits, so we can let the code fall through to bailout: if the TurboJPEG C function fails. Also, per the JNI spec, no other JNI functions can be called between GetPrimitiveArrayCritical() and ReleasePrimitiveArrayCritical(). This hasn't caused any problems thus far, but better safe than sorry. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1346 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-14 16:54:04 +00:00
DRC
f7c11051de Oops. Parameter name is "strides", not "stride" 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1345 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-12 15:52:51 +00:00
DRC
9d77dad4c9 Reformat TurboJPEG C API documentation to improve ease of maintenance and to make it more consistent with the javadoc formatting; fix minor error in tjCompressFromYUV() prototype. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1344 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-12 15:06:30 +00:00
DRC
aecea388c7 Extend the TurboJPEG C API to support handling YUV images stored in separate image planes instead of a unified buffer 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1343 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-11 18:05:41 +00:00
DRC
493be61707 Clean up and consolidate notes regarding the YUV image format. This also corrects a factual error regarding the padding of the luminance plane-- because we now support 4:1:1, the component width is not necessarily padded to the nearest multiple of 2 if horizontal subsampling is used. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1342 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-10 20:12:17 +00:00
DRC
779bd68d20 Clean up notes using the doxygen @note command 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1341 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-10 18:30:52 +00:00
DRC
d13df21341 Clean up notes using the doxygen @note command 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1340 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-10 17:25:51 +00:00
DRC
c71ab2f7c2 Make the documentation more readable by displaying fixed-width text (which is used to refer to variables and functions) in a different color. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1339 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-10 16:43:31 +00:00
DRC
983503eddf Fix a display issue in the documentation for tjDecompress2() (doxygen treats a star at the beginning of the line as a list bullet); make the documentation more readable by displaying fixed-width text (which is used to refer to variables and functions) in a different color. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1338 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-10 16:39:32 +00:00
DRC
aee4f72160 12-bit JPEG support 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1337 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-09 23:06:07 +00:00
DRC
8a74848a23 Oops. The Windows version of collect_args/uncollect_args uses rsp, so we still need the rsp prologue/epilogue, despite the fact that we aren't using the stack as a work area. This fixes a segfault on Windows caused by r1335. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1336 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-09 22:58:18 +00:00
DRC
a8ab3424c7 Attempt to improve performance by refactoring the compression-side color conversion and DCT algorithms so that they take full advantage of the additional registers available with 64-bit SSE2. This produces a somewhat yawn-worthy speedup of 2-3%, but at least the code is a lot more readable now. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1335 632fc199-4ca6-4c93-a231-07263d6284db
 2014-08-09 14:30:28 +00:00
DRC
3728aa01d8 Fix performance and other issues uncovered in testing with actual ARM64 hardware; formatting tweaks; remove NEON platform check (NEON is always available with ARMv8) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1333 632fc199-4ca6-4c93-a231-07263d6284db
 2014-07-23 14:14:14 +00:00
DRC
821455542c Include "Installed-Size" field in the deb-control file to prevent Ubuntu from complaining 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1330 632fc199-4ca6-4c93-a231-07263d6284db
 2014-07-17 08:25:32 +00:00
DRC
d762c19b98 Include "Installed-Size" field in the deb-control file to prevent Ubuntu from complaining 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1329 632fc199-4ca6-4c93-a231-07263d6284db
 2014-07-17 08:24:58 +00:00
DRC
2472bc7119 Add proper support for Borland compilers (Borland needs section names to be prefixed with an underscore, and it needs OMF object files.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1328 632fc199-4ca6-4c93-a231-07263d6284db
 2014-06-22 21:14:39 +00:00
DRC
a81f542726 Big oops. wrjpgcom on Windows was being built using the rdjpgcom source. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@1327 632fc199-4ca6-4c93-a231-07263d6284db
 2014-06-22 20:50:14 +00:00
DRC
3da10338c6 Big oops. wrjpgcom on Windows was being built using the rdjpgcom source. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1326 632fc199-4ca6-4c93-a231-07263d6284db
 2014-06-22 20:48:38 +00:00
DRC
73821bff78 Big oops. wrjpgcom on Windows was being built using the rdjpgcom source. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1325 632fc199-4ca6-4c93-a231-07263d6284db
 2014-06-22 20:46:48 +00:00
DRC
23843313eb Prevent a buffer overrun if the comment begins with a literal quote character and the string exceeds 65k characters. Also prevent comments longer than 65k characters from being written, since this will produce an incorrect JPEG file. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1324 632fc199-4ca6-4c93-a231-07263d6284db
 2014-06-22 20:38:54 +00:00
DRC
b7d6e84d6a Prevent a buffer overrun if the comment begins with a literal quote character and the string exceeds 65k characters. Also prevent comments longer than 65k characters from being written, since this will produce an incorrect JPEG file. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1323 632fc199-4ca6-4c93-a231-07263d6284db
 2014-06-22 20:36:50 +00:00
DRC
a8fb48b528 Remove VMS-specific code 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1322 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-29 19:31:45 +00:00
DRC
88c7e30045 Our copyright string is longer than JMSG_LENGTH_MAX, and this was causing a buffer overrun if output_message() was called with msg_code set to JMSG_COPYRIGHT, or if format_message() was called with msg_code set to JMSG_COPYRIGHT and with a buffer of length JMSG_LENGTH_MAX. 
We can't simply increase JMSG_LENGTH_MAX, because it is part of the libjpeg API, and it is generally assumed that a buffer of this length will be passed to format_message().  Thus, the easiest solution is simply to use a shorter copyright string for JMSG_COPYRIGHT.


git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@1320 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-28 20:28:30 +00:00
DRC
d7a25595ce Our copyright string is longer than JMSG_LENGTH_MAX, and this was causing a buffer overrun if output_message() was called with msg_code set to JMSG_COPYRIGHT, or if format_message() was called with msg_code set to JMSG_COPYRIGHT and with a buffer of length JMSG_LENGTH_MAX. 
We can't simply increase JMSG_LENGTH_MAX, because it is part of the libjpeg API, and it is generally assumed that a buffer of this length will be passed to format_message().  Thus, the easiest solution is simply to use a shorter copyright string for JMSG_COPYRIGHT.


git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1319 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-28 20:27:42 +00:00
DRC
cf55f0b533 Our copyright string is longer than JMSG_LENGTH_MAX, and this was causing a buffer overrun if output_message() was called with msg_code set to JMSG_COPYRIGHT, or if format_message() was called with msg_code set to JMSG_COPYRIGHT and with a buffer of length JMSG_LENGTH_MAX. 
We can't simply increase JMSG_LENGTH_MAX, because it is part of the libjpeg API, and it is generally assumed that a buffer of this length will be passed to format_message().  Thus, the easiest solution is simply to use a shorter copyright string for JMSG_COPYRIGHT.


git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1318 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-28 20:19:54 +00:00
DRC
fced14c7b4 We don't support non-ANSI C compilers 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1317 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-21 04:13:09 +00:00
DRC
495e43426e Allow for building the MIPS DSPr2 extensions if the host is mips-* as well as mipsel-*. The DSPr2 extensions are little endian, so we still have to check that the compiler defines __MIPSEL__ before enabling them. This paves the way for supporting big-endian MIPS, and in the near term, it allows the SIMD extensions to be built with Sourcery CodeBench. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1316 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-19 19:13:22 +00:00
DRC
5ef463056a SIMD-accelerated int upsample routine for MIPS DSPr2 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1315 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-18 20:04:47 +00:00
DRC
c728cfd8f2 Fix MIPS build 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1314 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-18 19:36:05 +00:00
DRC
5de454b291 libjpeg-turbo has never supported non-ANSI compilers, so get rid of the crufty SIZEOF() macro. It was not being used consistently anyhow, so it would not have been possible to build prior releases of libjpeg-turbo using the broken compilers for which that macro was designed. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1313 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-18 19:04:03 +00:00
DRC
5033f3e19a Remove MS-DOS code and information, and adjust copyright headers to reflect the removal of features in r1307 and r1308. libjpeg-turbo has never supported MS-DOS, nor is it even possible for us to do so. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1312 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-18 18:33:44 +00:00
DRC
7f4a81b769 Further copyright header cleanup 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1311 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-18 18:17:01 +00:00
DRC
da13af6b8d Further copyright header cleanup 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1310 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-18 17:52:06 +00:00
DRC
d88f7ddfbe Further copyright header cleanup 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1309 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-18 17:51:00 +00:00
DRC
bc56b754e1 Get rid of the HAVE_PROTOTYPES configuration option, as well as the related JMETHOD and JPP macros. libjpeg-turbo has never supported compilers that don't handle prototypes. Doing so requires ansi2knr, which isn't even supported in the IJG code anymore. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1308 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-16 10:43:44 +00:00
DRC
52ded87680 Remove all of the NEED_SHORT_EXTERNAL_NAMES stuff. There is scant information available as to which linkers ever had a 15-character global symbol name limit. AFAICT, it might have been a VMS and/or a.out BSD thing, but none of those platforms have ever been supported by libjpeg-turbo (nor are such systems supported by other open source libraries of this nature.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1307 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-15 20:30:16 +00:00
DRC
64086281b3 Clean up code formatting in the SIMD interface functions 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1306 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-15 19:46:48 +00:00
DRC
1419852c42 Clean up code formatting in the SIMD interface functions 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1305 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-15 19:45:11 +00:00
DRC
1b3fd7eead SIMD-accelerated NULL convert routine for MIPS DSPr2 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1304 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-15 18:26:01 +00:00
DRC
a3c3bbc2f4 Fix build, which was broken by the checkin of the MIPS DSPr2 accelerated smooth downsampling routine. Until/unless other platforms include SIMD support for that function, it's just easier to #ifdef around it rather than adding stubs for the other platforms. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1303 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-15 18:22:24 +00:00
DRC
0bf325b8ba Fix error in MIPS DSPr2 accelerated smooth downsample routine 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1302 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-15 17:10:39 +00:00
DRC
6a61c1e6dc SIMD-accelerated h2v2 smooth downsampling routine for MIPS DSPr2 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1301 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-14 15:00:10 +00:00
DRC
1e9cbbad8a Minor tweak to improve code readability 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1300 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-14 14:57:43 +00:00
DRC
3b489c3af7 Minor tweak to improve code readability 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1299 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-14 14:57:01 +00:00
DRC
976fd9687e The x86/x86-64 SIMD extensions were originally designed to accommodate changing the value of RGB_*, but this apparently broke when RGB-to-gray colorspace conversion was accelerated. Further, the ARM NEON extensions have always assumed that JCS_RGB behaves identically to JCS_EXT_RGB. Rather than fix these issues, it makes more sense to just stop claiming that we support changing the values of RGB_*, since doing so is no longer necessary. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1298 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-13 18:41:33 +00:00
DRC
b844eaa360 SIMD-accelerated merged upsampling routines for MIPS DSPr2 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1297 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-13 18:40:14 +00:00
DRC
3402a66a22 The x86/x86-64 SIMD extensions were originally designed to accommodate changing the value of RGB_*, but this apparently broke when RGB-to-gray colorspace conversion was accelerated. Further, the ARM NEON extensions have always assumed that JCS_RGB behaves identically to JCS_EXT_RGB. Rather than fix these issues, it makes more sense to just stop claiming that we support changing the values of RGB_*, since doing so is no longer necessary. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1296 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-13 18:38:36 +00:00
DRC
78df2e6115 Add support for decompressing to RGB565 (16-bit) pixels 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1295 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-12 09:23:57 +00:00
DRC
6e8220eddc Document -rgb option in djpeg man page; "gray-scale"="grayscale" 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1294 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-12 09:09:40 +00:00
DRC
90d6c3824b Document -rgb option in djpeg man page; "gray-scale"="grayscale" 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1293 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-12 09:08:39 +00:00
DRC
2a9f0cf36c Use 2-space indentation for the enums, to be consistent with the structs 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1292 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-12 00:34:58 +00:00
DRC
333e9187c8 Use 2-space indentation for the enums, to be consistent with the structs 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1291 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-12 00:34:08 +00:00
DRC
e3cb4eb05d Document the fact that the fast integer FDCT is not fully accelerated for quality levels above 97 + additional wordsmithing 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1290 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-11 23:15:52 +00:00
DRC
05524e671e Document the fact that the fast integer FDCT is not fully accelerated for quality levels above 97 + additional wordsmithing 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1289 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-11 23:14:43 +00:00
DRC
715bb41ead Port the more accurate (and slightly faster) floating point IDCT implementation from jpeg-8a and later. New research revealed that the SSE/SSE2 floating point IDCT implementation was actually more accurate than the jpeg-6b implementation, not less, which is why its mathematical results have always differed from those of the jpeg-6b implementation. This patch brings the accuracy of the C code in line with that of the SSE/SSE2 code. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1288 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-11 10:09:07 +00:00
DRC
a758460175 Provide a more thorough description of the trade-offs between the various DCT/IDCT algorithms, based on new resarch 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1287 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-11 09:48:11 +00:00
DRC
8940e6ca86 Provide a more thorough description of the trade-offs between the various DCT/IDCT algorithms, based on new resarch 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1286 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-11 09:46:28 +00:00
DRC
b775351012 Convert tabs to spaces in the libjpeg code and the SIMD code (TurboJPEG retains the use of tabs for historical reasons. They were annoying in the libjpeg code primarily because they were not consistently used and because they were used to format as well as indent the code. In the case of TurboJPEG, tabs are used just to indent the code, so even if the editor assumes a different tab width, the code will still be readable.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1285 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-11 09:36:25 +00:00
DRC
e47364ac56 Modify Windows build system to take into account new assembly file names 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1283 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-10 10:10:03 +00:00
DRC
24e92e9fc0 Using subdirectories unfortunately opened up a can of worms. In order to prevent object name conflicts, it is necessary to use the subdir-objects automake directive, but it simply doesn't work right on some of the versions of automake we still have to support. Another option would be to add a separate Makefile.am file to each subdirectory, but that requires maintaining a completely different set of build rules for each one. Fortunately, however, we're in the 21st century now, so we can use filenames longer than 8.3. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1282 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-10 09:53:34 +00:00
DRC
72130be99f Re-organize the x86/x86-64 SIMD routines into separate folders by instruction set so we can name each routine similarly to its corresponding C file. This also makes it easier to add support for new instruction sets. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1280 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-09 20:14:26 +00:00
DRC
1a45b81fa2 Remove trailing spaces (+ one additional tab in TJUnitTest.java that was missed in the previous commit) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1279 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-09 18:06:58 +00:00
DRC
e5eaf37440 Convert tabs to spaces in the libjpeg code and the SIMD code (TurboJPEG retains the use of tabs for historical reasons. They were annoying in the libjpeg code primarily because they were not consistently used and because they were used to format as well as indent the code. In the case of TurboJPEG, tabs are used just to indent the code, so even if the editor assumes a different tab width, the code will still be readable.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1278 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-09 18:00:32 +00:00
DRC
771886c192 Fix an error in the MIPS DSPr2 fancy upsampling routine 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1277 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-09 14:45:55 +00:00
DRC
a32b3eca99 Fix regression that caused 'make test' to fail with non-x86 SIMD code. The round-off error in the SIMD float DCT/IDCT routines only exists in the SSE and SSE2 implementations. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1276 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-07 06:02:57 +00:00
DRC
29d30cb855 Shared the rm commands to reduce as much output noise as possible 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1275 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-06 22:49:02 +00:00
DRC
35db75ea3c Redesign the libjpeg regression tests so that they fully cover all of the SIMD-accelerated algorithms (and most of the other ones as well) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1274 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-06 22:44:46 +00:00
DRC
393bac6de4 Android build instructions 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1273 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-06 21:59:31 +00:00
DRC
b0a9cca1e3 Replace our custom version of Android.mk with instructions on how to build a libjpeg-turbo SDK for Android using autotools. Upon consulting with AOSP, it appears that Android.mk isn't really necessary except when building libjpeg-turbo for use by the Android platform itself, and it makes more sense for them to maintain the makefile for that purpose rather than for it to be upstreamed. ndk-build has serious limitations that prevent it from being used to generate static libjpeg-turbo libraries (mainly, it isn't possible to combine pre-built objects from one module into a static library for another module, which is necessary because the SIMD extensions sometimes have to be built with different CFLAGS than the rest of the code.) In general, it's just better not to introduce a new build system. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1272 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-06 21:03:35 +00:00
DRC
425c5a57cf Wordsmithing 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1271 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-06 20:56:01 +00:00
DRC
dab6b8a1a3 Wordsmithing 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1270 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-06 20:53:25 +00:00
DRC
343478622d SIMD-accelerated slow integer IDCT routine for MIPS DSPr2 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1269 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-06 09:53:21 +00:00
DRC
f57b8a6357 Phrasing. Boom. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1268 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-06 09:41:08 +00:00
DRC
66129dc660 Redesign the libjpeg regression tests so that they fully cover all of the SIMD-accelerated algorithms (and most of the other ones as well) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1267 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-06 08:58:11 +00:00
DRC
06296e80c9 First pass at an Android makefile 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1265 632fc199-4ca6-4c93-a231-07263d6284db
 2014-05-05 20:55:24 +00:00
DRC
61976bd8a9 We use __CHAR_UNSIGNED__ (automatically defined by the AC_C_CHAR_UNSIGNED macro) rather than CHAR_IS_UNSIGNED (defined by custom autoconf code in libjpeg that we didn't port over), although I doubt it matters on any of the platforms we support. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1264 632fc199-4ca6-4c93-a231-07263d6284db
 2014-04-20 19:13:10 +00:00
DRC
4dae78f498 We use __CHAR_UNSIGNED__ (automatically defined by the AC_C_CHAR_UNSIGNED macro) rather than CHAR_IS_UNSIGNED (defined by custom autoconf code in libjpeg that we didn't port over), although I doubt it matters on any of the platforms we support. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1263 632fc199-4ca6-4c93-a231-07263d6284db
 2014-04-20 19:11:52 +00:00
DRC
230d09dbed Fix crashes and bogus output in the CMYK and decode-to-YUV features that occurred if JCS_EXTENSIONS wasn't defined. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1260 632fc199-4ca6-4c93-a231-07263d6284db
 2014-04-20 09:42:49 +00:00
DRC
6887f05d19 Fix 'make dist' 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1259 632fc199-4ca6-4c93-a231-07263d6284db
 2014-04-20 09:23:01 +00:00
DRC
ff6961f3d2 This patch accomplishes the following: 
-- Auto-generates HAVE_LOCALE_H macro and adds it to jconfig.h (this is used by rdjpgcom.c.)
-- Reconciles the description and ordering of macros between config.h.in and jconfig.h.in, so the two files can be easily diffed.
-- Eliminates the use of the autoheader-generated config.h in the project and moves relevant internal-only macros into a new file, jconfigint.h.  This is to avoid "already defined" warnings in files that were including both config.h (to get the internal autotools package information or the INLINE definition) and jconfig.h.


git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1258 632fc199-4ca6-4c93-a231-07263d6284db
 2014-04-20 09:17:11 +00:00
DRC
714839d402 This patch accomplishes the following: 
-- Auto-generates HAVE_LOCALE_H macro and adds it to jconfig.h (this is used by rdjpgcom.c.)
-- Reconciles the description and ordering of macros between config.h.in and jconfig.h.in, so the two files can be easily diffed.
-- Eliminates the use of the autoheader-generated config.h in the project and moves relevant internal-only macros into a new file, jconfigint.h.  This is to avoid "already defined" warnings in files that were including both config.h (to get the internal autotools package information or the INLINE definition) and jconfig.h.


git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1257 632fc199-4ca6-4c93-a231-07263d6284db
 2014-04-20 09:13:37 +00:00
DRC
beb0b33764 Work around an issue in Visual C++ 2010 and 2013 that was causing the 256-bit bitmap test in the regression tests to fail. More specifically, when optimization is enabled in these versions of Visual C++, the optimizer seems to get confused by the following code block: 
delta = cur0 * 2;
       cur0 += delta;          /* form error * 3 */
       errorptr[0] = (FSERROR) (bpreverr0 + cur0);
       cur0 += delta;          /* form error * 5 */
       bpreverr0 = belowerr0 + cur0;
       cur0 += delta;          /* form error * 7 */

Each time cur0 is incremented by delta, the compiled code doubles the value of delta (WTF?!)  Thus, by the time the end of the block is reached, cur0 is equal to 15 times its former self, not 7 times its former self as it should be.  At any rate, it was a lot simpler to just refactor the code so that it uses multiplication.


git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@1255 632fc199-4ca6-4c93-a231-07263d6284db
 2014-04-20 07:36:33 +00:00
DRC
b1398cba43 Prevent svn:mergeinfo from being modified on Makefile.am and simd/jsimd*.c every time a merge is done. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@1254 632fc199-4ca6-4c93-a231-07263d6284db
 2014-04-20 07:35:16 +00:00
DRC
ac9a92ebbd Work around an issue in Visual C++ 2010 and 2013 that was causing the 256-bit bitmap test in the regression tests to fail. More specifically, when optimization is enabled in these versions of Visual C++, the optimizer seems to get confused by the following code block: 
delta = cur0 * 2;
       cur0 += delta;          /* form error * 3 */
       errorptr[0] = (FSERROR) (bpreverr0 + cur0);
       cur0 += delta;          /* form error * 5 */
       bpreverr0 = belowerr0 + cur0;
       cur0 += delta;          /* form error * 7 */

Each time cur0 is incremented by delta, the compiled code doubles the value of delta (WTF?!)  Thus, by the time the end of the block is reached, cur0 is equal to 15 times its former self, not 7 times its former self as it should be.  At any rate, it was a lot simpler to just refactor the code so that it uses multiplication.


git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1253 632fc199-4ca6-4c93-a231-07263d6284db
 2014-04-20 07:22:21 +00:00
DRC
06fa20d407 1.3.2 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1252 632fc199-4ca6-4c93-a231-07263d6284db
 2014-04-20 07:20:31 +00:00
DRC
0816d086b5 Work around an issue in Visual C++ 2010 and 2013 that was causing the 256-bit bitmap test in the regression tests to fail. More specifically, when optimization is enabled in these versions of Visual C++, the optimizer seems to get confused by the following code block: 
delta = cur0 * 2;
       cur0 += delta;          /* form error * 3 */
       errorptr[0] = (FSERROR) (bpreverr0 + cur0);
       cur0 += delta;          /* form error * 5 */
       bpreverr0 = belowerr0 + cur0;
       cur0 += delta;          /* form error * 7 */

Each time cur0 is incremented by delta, the compiled code doubles the value of delta (WTF?!)  Thus, by the time the end of the block is reached, cur0 is equal to 15 times its former self, not 7 times its former self as it should be.  At any rate, it was a lot simpler to just refactor the code so that it uses multiplication.


git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1251 632fc199-4ca6-4c93-a231-07263d6284db
 2014-04-20 06:57:52 +00:00
DRC
fe9c907b45 Minor comment correction (we support the full range of IDCT scaling factors now.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1250 632fc199-4ca6-4c93-a231-07263d6284db
 2014-04-18 07:58:29 +00:00
DRC
d76ba910e9 Minor comment correction (we support the full range of IDCT scaling factors now.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1249 632fc199-4ca6-4c93-a231-07263d6284db
 2014-04-18 07:57:48 +00:00
DRC
d0c9f0cffd Clarify how to do a 64-bit build using the Visual Studio IDE 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1248 632fc199-4ca6-4c93-a231-07263d6284db
 2014-04-18 07:50:17 +00:00
DRC
8666f4f94c Clarify how to do a 64-bit build using the Visual Studio IDE 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1247 632fc199-4ca6-4c93-a231-07263d6284db
 2014-04-18 07:49:29 +00:00
DRC
4d2ff7dad7 Update Windows build instructions 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1246 632fc199-4ca6-4c93-a231-07263d6284db
 2014-04-18 02:46:59 +00:00
DRC
9e5b681195 Update Windows build instructions 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1245 632fc199-4ca6-4c93-a231-07263d6284db
 2014-04-17 20:05:03 +00:00
DRC
0c989d9e90 Fix warnings about unused variables when building with GCC 4.8.x 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1242 632fc199-4ca6-4c93-a231-07263d6284db
 2014-04-17 00:47:18 +00:00
DRC
4186162665 Fix warnings about unused variables when building with GCC 4.8.x 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1241 632fc199-4ca6-4c93-a231-07263d6284db
 2014-04-16 23:38:37 +00:00
DRC
c2caad07bc Fix compiler warning ("always_inline function might not be inlinable") when building with recent versions of GCC; Unix EOL 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1240 632fc199-4ca6-4c93-a231-07263d6284db
 2014-04-16 23:37:23 +00:00
DRC
72a8ca0d8e Fix compiler warning ("always_inline function might not be inlinable") when building with recent versions of GCC; Unix EOL 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1239 632fc199-4ca6-4c93-a231-07263d6284db
 2014-04-16 23:32:58 +00:00
DRC
9fe22dac31 Set the BUILD environment variable properly when building with MinGW implementations that lack a Unix shell (TDM-GCC, for instance); Only set CMP0022 if it is supported (older CMake implementations don't support it); Remove trailing spaces 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1238 632fc199-4ca6-4c93-a231-07263d6284db
 2014-04-16 23:30:38 +00:00
DRC
ffb2b6e200 Set the BUILD environment variable properly when building with MinGW implementations that lack a Unix shell (TDM-GCC, for instance); Only set CMP0022 if it is supported (older CMake implementations don't support it); Remove trailing spaces 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1237 632fc199-4ca6-4c93-a231-07263d6284db
 2014-04-16 23:29:38 +00:00
DRC
9a341f803f Remove trailing spaces 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1236 632fc199-4ca6-4c93-a231-07263d6284db
 2014-04-15 03:43:44 +00:00
DRC
241ad88b7d Remove trailing spaces 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1235 632fc199-4ca6-4c93-a231-07263d6284db
 2014-04-15 03:42:40 +00:00
DRC
990342cd57 wordsmithing 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1234 632fc199-4ca6-4c93-a231-07263d6284db
 2014-04-15 03:41:31 +00:00
DRC
fdd625efa5 wordsmithing 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1233 632fc199-4ca6-4c93-a231-07263d6284db
 2014-04-15 03:07:44 +00:00
DRC
ef9a4e05ba Integrate a slightly modified version of Mozilla's patch for precomputing the bit-counting LUT. This is useful if the table needs to be shared among multiple processes, although the primary reason for doing that is reduced footprint on mobile devices, which are probably already covered by the clz intrinsic code. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1221 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-28 18:50:30 +00:00
DRC
0cfc4c17b7 Use clz/bsr instructions on ARM for bit counting rather than the lookup table (reduces memory footprint and can improve performance in some cases.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1220 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-28 18:33:25 +00:00
DRC
51d6bb30cf Modify svn:ignore so that it lists only files generated in-tree by autoreconf -fiv. It's pretty much impossible to maintain an up-to-date list of files generated by the actual build, so we'll just assume that the user will do an out-of-tree build if they want to avoid cluttering up their 'svn status' display. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1219 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-27 20:47:39 +00:00
DRC
8bad4251a9 Modify svn:ignore so that it lists only files generated in-tree by autoreconf -fiv. It's pretty much impossible to maintain an up-to-date list of files generated by the actual build, so we'll just assume that the user will do an out-of-tree build if they want to avoid cluttering up their 'svn status' display. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1218 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-27 20:43:57 +00:00
DRC
26c6606772 Make iOS build instructions more generic and applicable to all versions of Xcode; modify iOS build procedure for Xcode 5.0 and later to fix a build issue with Xcode 5.1. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1217 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-27 03:36:04 +00:00
DRC
0d0705f445 Make iOS build instructions more generic and applicable to all versions of Xcode; modify iOS build procedure for Xcode 5.0 and later to fix a build issue with Xcode 5.1. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1216 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-27 03:35:21 +00:00
DRC
377955e606 Update build instructions to reflect the use of pkgbuild/productbuild 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1215 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-25 05:27:16 +00:00
DRC
79241e3415 Remove any claims of support for OS X 10.4 "Tiger" (the packaging system overhaul produces packages that require Leopard or later, and I haven't been able to test Tiger for years anyhow.) Update TurboJPEG shared library version. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1213 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-23 18:06:11 +00:00
DRC
b1068fa2da Migrate Mac packaging system to pkgbuild, since PackageMaker is no longer supported. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1212 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-23 17:53:07 +00:00
DRC
832b1fc5d3 Remove the sections about replacing libjpeg at run time and compile time. These were written before O/S distributions started shipping libjpeg-turbo, and they are either pedantic or no longer relevant. Also remove any text that assumes the use of our official project binaries. Notes specific to the official binaries have been moved into the project wiki. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1210 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-23 15:21:20 +00:00
DRC
6f92ff617a Fix Windows build 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1206 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-22 23:03:03 +00:00
DRC
f67c04c05e Since we're now maintaining our own Cygwin pseudo-repository directories instead of recommending that users install these packages from a local source, it makes more sense to name the packages according to Cygwin specs, so they can be copied as-is into the pseudo-repository. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1204 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-22 20:51:38 +00:00
DRC
de23dd8068 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1203 632fc199-4ca6-4c93-a231-07263d6284db 2014-03-22 20:43:03 +00:00
DRC
c8b0226d91 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1202 632fc199-4ca6-4c93-a231-07263d6284db 2014-03-22 20:42:01 +00:00
DRC
79df67debb Fix 'make dist' 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1201 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-22 20:22:52 +00:00
DRC
7a9faaefb4 Since we're now maintaining our own Cygwin pseudo-repository directories instead of recommending that users install these packages from a local source, it makes more sense to name the packages according to Cygwin specs, so they can be copied as-is into the pseudo-repository. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1195 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-21 23:34:53 +00:00
DRC
d794360250 RHEL 6 (and probably other platforms as well) sets _defaultdocdir=%{_datadir}/doc, which screws things up, since we're overriding _datadir. Since we intend _defaultdocdir to be /usr/share/doc, just be explicit about it. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1194 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-21 11:01:00 +00:00
DRC
3064cf7410 RHEL 6 (and probably other platforms as well) sets _defaultdocdir=%{_datadir}/doc, which screws things up, since we're overriding _datadir. Since we intend _defaultdocdir to be /usr/share/doc, just be explicit about it. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1193 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-21 11:00:00 +00:00
DRC
fc9995e4c9 Prevent svn:mergeinfo from being modified on Makefile.am and simd/jsimd*.c every time a merge is done. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1192 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-21 09:35:53 +00:00
DRC
2b03fe2710 Fix compiler warning about unused function when building with the libjpeg v6b API/ABI 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1191 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-21 09:35:02 +00:00
DRC
17882fd8cc Prevent svn:mergeinfo from being modified on Makefile.am and simd/jsimd*.c every time a merge is done. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1190 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-21 09:33:49 +00:00
DRC
506a742193 Fix compiler warning about unused function when building with the libjpeg v6b API/ABI 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1189 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-21 09:29:28 +00:00
DRC
b52f3e69cb Fix compiler warning ("always_inline function might not be inlinable") when building with recent versions of GCC 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1188 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-21 09:23:41 +00:00
DRC
ad64b5a4c9 Fix compiler warning ("always_inline function might not be inlinable") when building with recent versions of GCC 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1187 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-21 09:22:21 +00:00
DRC
3c8238322f Enable silent build (can be overridden with 'make V=1') if the version of autotools being used is new enough. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1186 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-21 08:36:58 +00:00
DRC
c7e10b21e8 Enable silent build (can be overridden with 'make V=1') if the version of autotools being used is new enough. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1185 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-21 08:36:06 +00:00
DRC
7a6ed075ea Extend YUVImage class to allow reuse of the same buffer with different metadata; port TJBench changes that treat YUV encoding/decoding as an intermediate step of the JPEG compression/decompression pipeline rather than a separate test case; add YUV encode/decode tests to the Java version of tjbenchtest 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1184 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-17 11:14:52 +00:00
DRC
dd5fcdd007 formatting tweaks 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1183 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-17 10:40:10 +00:00
DRC
6e11d6899c Fix an error that occurred when trying to use the lossless transform feature without specifying -quiet; formatting tweak 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1182 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-17 10:19:42 +00:00
DRC
2ae7918a8e Fix an error that occurred when trying to use the lossless transform feature without specifying -quiet; formatting tweak 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1181 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-17 10:14:18 +00:00
DRC
4dafea685d Move the garbage collection of the JPEG tiles into the decompression function to increase the chances that tiled decompression of large images will succeed without an OutOfMemoryError. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1180 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-17 10:13:17 +00:00
DRC
88f260c78c Move the garbage collection of the JPEG tiles into the decompression function to increase the chances that tiled decompression of large images will succeed without an OutOfMemoryError. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1179 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-17 10:12:11 +00:00
DRC
6ffed933d7 Generate the Java documentation using javadoc 7, to improve readability. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1178 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-16 23:12:25 +00:00
DRC
ee44371925 This should have been checked in with the previous commit. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1177 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-16 22:59:51 +00:00
DRC
fc26b6577a Extend the YUV decode functionality to the TurboJPEG Java API, and port the TJUnitTest modifications that treat YUV encoding/decoding as an intermediate step of the JPEG compression/decompression pipeline rather than a separate test case; Add the ability to encode YUV images from an arbitrary position in a large image buffer; Significantly refactor the handling of YUV images; numerous doc tweaks; other Java API cleanup and usability improvements 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1176 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-16 22:56:26 +00:00
DRC
40a0a023fa Update (C) year 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1175 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-16 19:33:23 +00:00
DRC
695b6e8680 Don't use deprecated constructor 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1174 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-16 19:33:07 +00:00
DRC
aa255e2946 Doc tweaks 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1173 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-16 18:43:42 +00:00
DRC
bcb5f02392 Go ahead and deprecate the old constructor in 1.3.1 instead of in 1.4, since it uses a deprecated method 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1172 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-16 18:00:59 +00:00
DRC
c33347c0aa Add @Deprecated to the deprecated Java methods, so javac will actually print deprecation warnings, as opposed to just listing the methods as deprecated in javadoc; remove the use of the deprecated methods by our own test programs. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1171 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-15 13:25:11 +00:00
DRC
1909c59bad As with tjDecompressToYUV*(), tjCompressFromYUV() also conditionally uses an intermediate buffer if the source image dimensions do not fall on MCU boundaries. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1170 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-15 08:48:53 +00:00
DRC
12c29c9a7f Remove unneeded/unused code 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1169 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-14 08:59:27 +00:00
DRC
b14813947e Streamline the BufferedImage functionality in the compressor so that it works the same way as compressing a "normal" image, and deprecate the old BufferedImage methods and other redundant methods. Eliminate the use of deprecated features in the test programs. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1168 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-14 08:53:33 +00:00
DRC
d772f9ac45 Remove benchmarks. They were originally intended as a way of measuring overhead for small compress/decompress operations, but using TJBench with a small image is a better way to accomplish that. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1167 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-14 04:32:03 +00:00
DRC
4f7b7b339c Formatting tweak 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1166 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-14 04:27:03 +00:00
DRC
78b227e251 Oops. This code should not have been removed. It is necessary for generating the error images. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1165 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-14 04:15:43 +00:00
DRC
b53f410228 Actually, the issue with nightshot_iso_100 is unrelated to the image size. Reducing the size to 128x95, the same size as vgl_6548_0026, does not eliminate the problem. The issue seems to always occur when decompression scaling is enabled. It is unclear at this point whether this is a bug or expected behavior, but the pixels generated by the split decompression functions appear correct. They are just slightly different (but not visibly so) from the pixels generated by the monolithic decompression function. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1164 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-13 21:19:12 +00:00
DRC
823fbed414 Add a mode to tjbenchtest for testing the YUV encoding/decoding functions 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1163 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-13 20:48:38 +00:00
DRC
ce6891f048 If we have transformed a 4:2:2 or 4:4:0 image in any way that transposes the horizontal and vertical dimensions, then we need to inform the decompression function that the subsampling type has changed. Otherwise, tjDecodeYUV() will not produce correct results. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1162 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-13 20:33:43 +00:00
DRC
f9baac9585 Whitespace tweaks 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1161 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-13 08:32:20 +00:00
DRC
df42b3cdf5 Whitespace tweaks 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1160 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-13 08:32:11 +00:00
DRC
adf5551ba9 Execute warmup runs with tjTransform() as well 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1159 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-12 07:17:23 +00:00
DRC
e1efc8a0ef Fix a couple of output formatting issues 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1158 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-12 07:16:17 +00:00
DRC
95e4cb2060 Since we now have a complete set of YUV functions, TJBench can be greatly simplified. It now tests YUV encoding/decoding as an intermediate step of JPEG compression/decompression, which eliminates the need for a separate YUV mode. Several other things have been streamlined in the process. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1157 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-12 06:51:39 +00:00
DRC
0e9bf6442b Fix a segfault that would occur in decompress-only mode if -alloc was specified without -tile. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1156 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-12 06:17:12 +00:00
DRC
dd59233dd4 Fix a segfault that would occur in decompress-only mode if -alloc was specified without -tile. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1155 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-12 06:15:51 +00:00
DRC
a15f19f2d2 Wordsmithing & formatting tweaks 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1154 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-11 09:46:50 +00:00
DRC
d4b453c26e Back-port the -subsamp option from 1.4 rather than use the hackish approach of replacing 4:2:2 with 4:4:0. This has the added advantage of allowing the user to test only a specific level of subsampling. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1153 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-11 08:28:47 +00:00
DRC
db0e2791e0 Oops. This was apparently the victim of an overly aggressive search/replace. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1152 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-11 08:25:59 +00:00
DRC
aa367580e8 Silence warning in CMake 2.8.12 and later 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1151 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-11 06:31:09 +00:00
DRC
5eb1efa3d2 Silence warning in CMake 2.8.12 and later 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1150 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-11 06:30:21 +00:00
DRC
3bf21e05e1 Fix the build of the Java classes when using MSVC 2010 and later. Something in the recesses of my brain is telling me that I tried this before and it failed under some circumstances, but it must have been a bug in an older CMake implementation. CMake 2.8.8 and later seem to work fine with this patch. This patch also updates the minimum required version to 2.8.8, because 2.8.8 fixed another issue that was preventing the SIMD code from building under MSVC 2010 and later. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1149 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-11 06:24:46 +00:00
DRC
d45c54992b Fix the build of the Java classes when using MSVC 2010 and later. Something in the recesses of my brain is telling me that I tried this before and it failed under some circumstances, but it must have been a bug in an older CMake implementation. CMake 2.8.8 and later seem to work fine with this patch. This patch also updates the minimum required version to 2.8.8, because 2.8.8 fixed another issue that was preventing the SIMD code from building under MSVC 2010 and later. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1148 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-11 06:21:46 +00:00
DRC
05d24e826d Fix Windows build 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1147 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-10 21:38:11 +00:00
DRC
42aeac3ee2 Formatting tweaks 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1146 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-10 21:37:54 +00:00
DRC
7d9f758e52 For now, punt on trying to support fancy upsampling in tjDecodeYUV(). Fancy upsampling requires context rows and other refinements, which are difficult to implement correctly with the algorithm we're using. Longer-term, supporting fancy upsampling would probably require using the main buffer that libjpeg allocates. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1145 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-10 20:14:53 +00:00
DRC
15c0876191 Fix additional uninitialized values reported by valgrind 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1144 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-10 20:11:56 +00:00
DRC
c90144950f When tjDecodeYUV() is used with a "fresh" decompressor instance (one that hasn't been previously used to decompress a JPEG image), then it needs comps_in_scan, data_precision, and the quantization tables to be defined. This patch also extends TJUnitTest to check for this error. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1143 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-10 09:34:04 +00:00
DRC
20e158dcb7 Silence valgrind false positives about uninitialized values. Even with this patch, valgrind still complains about uninitialized values when decompressing or decoding to a buffer with an alpha-enabled colorspace. Not sure why this happens, but it occurs in libjpeg-turbo 1.3 as well, and only when the x86/x86-64 SIMD code is being used. It is my belief that these remaining warnings are also false positives, because if the output buffer is memset to all 0's prior to invoking tjDecodeYUV()/tjDecompress(), no errors are reported. If any of the alpha channel bits were in fact not being initialized, then they would still be 0 after invoking tjDecodeYUV()/tjDecompress(), and TJUnitTest would report an error. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1142 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-08 20:50:35 +00:00
DRC
f27f38b02d Add a blank line before the alpha-enabled colorspace tests in order to improve readability 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1141 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-08 20:32:37 +00:00
DRC
4798b7e806 Add a blank line before the alpha-enabled colorspace tests in order to improve readability 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1140 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-08 20:31:31 +00:00
DRC
2bdc0425df Go ahead and call jinit_master_decompress() rather than trying to reproduce its functionality. That function does a few things that we were missing, including allocating the range limit table used by the plain C color conversion code. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1139 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-07 03:52:57 +00:00
DRC
4d82ddb0c9 Oops. We need to call start_pass() on the color converter in order to allocate the conversion tables used by the plain C code. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1138 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-06 20:07:03 +00:00
DRC
50cfc464b8 Oops. We need to call start_pass() on the color converter in order to allocate the conversion tables used by the plain C code. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@1137 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-06 20:03:37 +00:00
DRC
84c25cbec9 Oops. We need to call start_pass() on the color converter in order to allocate the conversion tables used by the plain C code. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1136 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-06 19:51:29 +00:00
DRC
ea657b2f74 Fix regression introduced in r1128 that caused SIMD detection to malfunction for ARM platforms (and probably ARM64 and MIPS as well.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1135 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-06 09:29:25 +00:00
DRC
f9c2dd2684 Fix regression introduced in r1122 that caused SIMD detection to malfunction for ARM platforms (and probably ARM64 and MIPS as well.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1134 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-06 09:26:49 +00:00
DRC
895fd6d0d3 Fix unitialized value reported by valgrind (the upsampling routine used by 4:4:0 and 4:1:1 reads the value of component_index.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1133 632fc199-4ca6-4c93-a231-07263d6284db
 2014-02-28 09:35:34 +00:00
DRC
34dca05227 Implement a YUV decode function in the TurboJPEG API, to be symmetric with tjEncodeYUV(). 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1132 632fc199-4ca6-4c93-a231-07263d6284db
 2014-02-28 09:17:14 +00:00
DRC
2bdadb44a7 Remove benchmarks. They were originally intended as a way of measuring overhead for small compress/decompress operations, but using TJBench with a small image is a better way to accomplish that. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1131 632fc199-4ca6-4c93-a231-07263d6284db
 2014-02-28 09:06:42 +00:00
DRC
54918b37fc Remove unused code (the destination manager is not used during YUV encoding, there are no virtual arrays to realize, and jinit_c_prep_controller() is unnecessary because we are not using smoothing.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1130 632fc199-4ca6-4c93-a231-07263d6284db
 2014-02-28 05:34:02 +00:00
DRC
e2ce3b5eb0 Remove unused code (the destination manager is not used during YUV encoding, there are no virtual arrays to realize, and jinit_c_prep_controller() is unnecessary because we are not using smoothing.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@1129 632fc199-4ca6-4c93-a231-07263d6284db
 2014-02-28 05:27:55 +00:00
DRC
ffa5e59218 Fix autoconf warnings 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1128 632fc199-4ca6-4c93-a231-07263d6284db
 2014-02-28 05:26:24 +00:00
DRC
5aec4afc62 Use C-style comments 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1127 632fc199-4ca6-4c93-a231-07263d6284db
 2014-02-28 05:23:26 +00:00
DRC
c7a32466a6 Remove unused code (the destination manager is not used during YUV encoding, there are no virtual arrays to realize, and jinit_c_prep_controller() is unnecessary because we are not using smoothing.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1126 632fc199-4ca6-4c93-a231-07263d6284db
 2014-02-28 05:19:43 +00:00
DRC
006bc58dd6 Use C-style comments 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1125 632fc199-4ca6-4c93-a231-07263d6284db
 2014-02-27 21:22:54 +00:00
DRC
6f75a351a3 Oops 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1124 632fc199-4ca6-4c93-a231-07263d6284db
 2014-02-20 19:33:44 +00:00
DRC
cccfdcb8ab Older versions of automake don't support AM_PROG_AR, so only execute that macro if it exists. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1123 632fc199-4ca6-4c93-a231-07263d6284db
 2014-02-15 07:14:58 +00:00
DRC
c56cb476f6 Fix autoconf warnings 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1122 632fc199-4ca6-4c93-a231-07263d6284db
 2014-02-15 07:02:04 +00:00
DRC
693f4a5600 Fix an issue that prevented tjEncodeYUV2() and TJCompressor.encodeYUV() from working properly if the source image was very tiny. Basically, jpeg_start_compress() was attempting to write the JPEG headers, which was overrunning the YUV buffer. This patch removes the call to jpeg_start_compress() in tjEncodeYUV2() and replaces it with calls to the individual routines that are necessary to initialize the color converter and downsampler. TJUnitTest has also been modified to test for this condition (the buffer size regression test now works in YUV mode.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@1121 632fc199-4ca6-4c93-a231-07263d6284db
 2014-02-11 10:16:42 +00:00
DRC
2c0c807fcc Fix an issue that prevented tjEncodeYUV2() and TJCompressor.encodeYUV() from working properly if the source image was very tiny. Basically, jpeg_start_compress() was attempting to write the JPEG headers, which was overrunning the YUV buffer. This patch removes the call to jpeg_start_compress() in tjEncodeYUV2() and replaces it with calls to the individual routines that are necessary to initialize the color converter and downsampler. TJUnitTest has also been modified to test for this condition (the buffer size regression test now works in YUV mode.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1120 632fc199-4ca6-4c93-a231-07263d6284db
 2014-02-11 09:56:12 +00:00
DRC
ad2f618f0b Update copyright year in file header as well 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1119 632fc199-4ca6-4c93-a231-07263d6284db
 2014-02-11 09:55:32 +00:00
DRC
38c9970b95 Fix an issue that prevented tjEncodeYUV3() and TJCompressor.encodeYUV() from working properly if the source image was very tiny. Basically, jpeg_start_compress() was attempting to write the JPEG headers, which was overrunning the YUV buffer. This patch removes the call to jpeg_start_compress() in tjEncodeYUV3() and replaces it with calls to the individual routines that are necessary to initialize the color converter and downsampler. TJUnitTest has also been modified to test for this condition (the buffer size regression test now works in YUV mode.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1118 632fc199-4ca6-4c93-a231-07263d6284db
 2014-02-11 09:45:18 +00:00
DRC
68550a7e99 Update copyright notice to reflect recent SIMD contributions 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1117 632fc199-4ca6-4c93-a231-07263d6284db
 2014-02-09 14:12:12 +00:00
DRC
2885cf5830 Further examination of the code reveals that this change is unnecessary. The histogram stores a count of each color in the image, so it will always contain at least one non-zero element, and thus the total can never be zero. Since the histogram is generated from the image data and not read from the header, there is no chance that header corruption would affect it. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1116 632fc199-4ca6-4c93-a231-07263d6284db
 2014-02-07 19:06:03 +00:00
DRC
d9712ed14b Further examination of the code reveals that this change is unnecessary. The histogram stores a count of each color in the image, so it will always contain at least one non-zero element, and thus the total can never be zero. Since the histogram is generated from the image data and not read from the header, there is no chance that header corruption would affect it. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1115 632fc199-4ca6-4c93-a231-07263d6284db
 2014-02-07 19:05:07 +00:00
DRC
d4ab63d191 Fix several potential overflow issues identified by the community. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1114 632fc199-4ca6-4c93-a231-07263d6284db
 2014-02-06 19:31:50 +00:00
DRC
88dee5863a Formatting tweak 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1113 632fc199-4ca6-4c93-a231-07263d6284db
 2014-02-06 19:31:23 +00:00
DRC
e26c687b21 Fix several potential overflow issues identified by the community. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1112 632fc199-4ca6-4c93-a231-07263d6284db
 2014-02-06 19:30:32 +00:00
DRC
e189ec7a48 Remove trailing space 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1111 632fc199-4ca6-4c93-a231-07263d6284db
 2014-02-06 19:15:03 +00:00
DRC
9397469012 Remove trailing space 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1110 632fc199-4ca6-4c93-a231-07263d6284db
 2014-02-06 19:13:24 +00:00
DRC
2d07ee519d Create a separate stub file for 64-bit ARM, since it currently implements only the decompression-related functions. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1109 632fc199-4ca6-4c93-a231-07263d6284db
 2014-02-05 19:03:41 +00:00
DRC
ba55b2cdfe First pass at ARMv8 64-bit NEON SIMD support 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1108 632fc199-4ca6-4c93-a231-07263d6284db
 2014-02-05 08:15:44 +00:00
DRC
3e00f03aea Formatting tweaks 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1107 632fc199-4ca6-4c93-a231-07263d6284db
 2014-02-05 07:40:00 +00:00
DRC
edc846f4fe Formatting tweaks 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1106 632fc199-4ca6-4c93-a231-07263d6284db
 2014-02-05 07:39:38 +00:00
DRC
cc0733ad78 Remove trailing spaces 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1105 632fc199-4ca6-4c93-a231-07263d6284db
 2014-02-01 06:17:31 +00:00
DRC
a113506d17 Some motion JPEG implementations generate "abbreviated JPEG streams" (JPEG images without the default tables included) for some or all of the video frames, in order to save space. When these are encountered, it is generally expected that they will be decompressed using the default Huffman tables, so libjpeg-turbo now does this unless the tables have been explicitly specified by an application. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1104 632fc199-4ca6-4c93-a231-07263d6284db
 2014-01-31 17:22:15 +00:00
DRC
8d55c88cda Include instructions for building iOS binaries using Xcode 4.6.x and Xcode 5.0. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1102 632fc199-4ca6-4c93-a231-07263d6284db
 2014-01-29 19:32:23 +00:00
DRC
a2f06448c8 Include instructions for building iOS binaries using Xcode 4.6.x and Xcode 5.0. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1101 632fc199-4ca6-4c93-a231-07263d6284db
 2014-01-29 19:31:09 +00:00
DRC
7db5273ea7 Per the conventions of the image compression and digital video communities, use "YCbCr" to describe the JPEG colorspace and "YUV" to describe an image format consisting of Y, Cb, and Cr planes (this partially reverts r960.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1093 632fc199-4ca6-4c93-a231-07263d6284db
 2013-11-25 21:12:23 +00:00
DRC
b3a028e356 Per the conventions of the image compression and digital video communities, use "YCbCr" to describe the JPEG colorspace and "YUV" to describe an image format consisting of Y, Cb, and Cr planes (this partially reverts r959.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1092 632fc199-4ca6-4c93-a231-07263d6284db
 2013-11-25 21:08:47 +00:00
DRC
5a7e9e5baa Per the conventions of the image compression and digital video communities, use "YCbCr" to describe the JPEG colorspace and "YUV" to describe an image format consisting of Y, Cb, and Cr planes (this partially reverts r959.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1091 632fc199-4ca6-4c93-a231-07263d6284db
 2013-11-25 20:30:12 +00:00
DRC
43d8cf4d45 Fix CVE-2013-6629 and CVE-2013-6630 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@1090 632fc199-4ca6-4c93-a231-07263d6284db
 2013-11-21 18:34:39 +00:00
DRC
7ebf2941a9 Fix CVE-2013-6629 and CVE-2013-6630 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1089 632fc199-4ca6-4c93-a231-07263d6284db
 2013-11-21 18:32:48 +00:00
DRC
9f9436ae23 Fix CVE-2013-6629 and CVE-2013-6630 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1088 632fc199-4ca6-4c93-a231-07263d6284db
 2013-11-21 18:31:08 +00:00
DRC
cb92dccf0d Make documentation viewable directly from http://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1086 632fc199-4ca6-4c93-a231-07263d6284db
 2013-11-19 02:08:23 +00:00
DRC
b10aafb889 Make documentation viewable directly from http://svn.code.sf.net/p/libjpeg-turbo/code/trunk 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1085 632fc199-4ca6-4c93-a231-07263d6284db
 2013-11-19 01:59:05 +00:00
DRC
62eeefcb3d Make documentation viewable directly from http://svn.code.sf.net/p/libjpeg-turbo/code/trunk 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1084 632fc199-4ca6-4c93-a231-07263d6284db
 2013-11-19 01:53:13 +00:00
DRC
e163653f99 Back-port code from jpeg-8 that removes unpopulated (and unneeded) tables for AC and DC coefficients when generating progressive JPEG files with arithmetic coding. This should make such files bitwise compatible with jpeg-8, barring any other mathematical differences (such as the different subsampling algorithm used in jpeg-8.) Add regression tests for progressive+arithmetic JPEG files. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@1082 632fc199-4ca6-4c93-a231-07263d6284db
 2013-11-06 07:45:39 +00:00
DRC
c44750e50e Fix an issue that resulted in an error ("Invalid SOS parameters for sequential JPEG. Didn't expect more than one scan.") when decoding progressive+arithmetic JPEGs generated by libjpeg-turbo. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@1081 632fc199-4ca6-4c93-a231-07263d6284db
 2013-11-06 07:37:01 +00:00
DRC
4b509280ce Back-port code from jpeg-8 that removes unpopulated (and unneeded) tables for AC and DC coefficients when generating progressive JPEG files with arithmetic coding. This should make such files bitwise compatible with jpeg-8, barring any other mathematical differences listed in README-turbo.txt. Add regression tests for progressive+arithmetic JPEG files. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1080 632fc199-4ca6-4c93-a231-07263d6284db
 2013-11-06 06:55:28 +00:00
DRC
5430aa1863 Back-port code from jpeg-8 that removes unpopulated (and unneeded) tables for AC and DC coefficients when generating progressive JPEG files with arithmetic coding. This should make such files bitwise compatible with jpeg-8, barring any other mathematical differences listed in README-turbo.txt. Add regression tests for progressive+arithmetic JPEG files. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1079 632fc199-4ca6-4c93-a231-07263d6284db
 2013-11-06 06:50:38 +00:00
DRC
4ac8700537 Remove unnecessary whitespace 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1078 632fc199-4ca6-4c93-a231-07263d6284db
 2013-11-06 06:02:26 +00:00
DRC
5aa6c9a553 Remove unnecessary whitespace 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@1077 632fc199-4ca6-4c93-a231-07263d6284db
 2013-11-06 05:58:38 +00:00
DRC
dbbef06227 Remove unnecessary whitespace 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1076 632fc199-4ca6-4c93-a231-07263d6284db
 2013-11-06 05:51:03 +00:00
DRC
2e8ff4b084 Add the ability to test scaling when decompressing to YUV; compression from YUV to JPEG; and YUV padding. Replace clunky -411 and -440 parameters with a -subsamp parameter that allows any of the subsampling options to be tested in isolation. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1075 632fc199-4ca6-4c93-a231-07263d6284db
 2013-11-05 19:53:12 +00:00
DRC
c6501f7f5f Add the ability to test scaling when decompressing to YUV; compression from YUV to JPEG; and YUV padding. Replace clunky -411 and -440 parameters with a -subsamp parameter that allows any of the subsampling options to be tested in isolation. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1074 632fc199-4ca6-4c93-a231-07263d6284db
 2013-11-04 23:07:54 +00:00
DRC
19eeaa7908 Make environment variable syntax consistent between ARM and x86 code, and add an option to disable SIMD on x86 (this option will be added to the x86-64 code as well, but it makes more sense to add it when we add AVX support.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1073 632fc199-4ca6-4c93-a231-07263d6284db
 2013-10-31 07:40:24 +00:00
DRC
07e982d9b4 Deprecate and undocument the FORCE{MMX|SSE|SSE2|SSE3} flags. These were originally introduced in TurboJPEG/IPP as a way to override the automatic CPU selection in the underlying IPP codec, which was closed source. They are not meaningful anymore, since libjpeg-turbo provides environment variables to accomplish the same thing and since it no longer necessarily uses x86 SIMD code behind the scenes. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1072 632fc199-4ca6-4c93-a231-07263d6284db
 2013-10-31 07:11:39 +00:00
DRC
1e67274bd7 Extend the TurboJPEG Java API to support compressing JPEG images from YUV planar images 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1071 632fc199-4ca6-4c93-a231-07263d6284db
 2013-10-31 05:04:51 +00:00
DRC
faa868bbb6 Add 'tjunittest -yuv -alloc' test on Windows as well 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1070 632fc199-4ca6-4c93-a231-07263d6284db
 2013-10-31 05:02:20 +00:00
DRC
b51ee895d8 r1065 broke the build on Windows, because getinstance() defines a variable. Thus, it needs to occur before the array initialization code. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1069 632fc199-4ca6-4c93-a231-07263d6284db
 2013-10-31 05:00:19 +00:00
DRC
fe739656f9 Clean up formatting code and rename the JPEG files generated during the YUV decode tests to reflect the fact that they are being generated from YUV source images. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1068 632fc199-4ca6-4c93-a231-07263d6284db
 2013-10-31 04:53:27 +00:00
DRC
910a35725c Extend the TurboJPEG C API to support compressing JPEG images from YUV planar images 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1067 632fc199-4ca6-4c93-a231-07263d6284db
 2013-10-30 23:02:57 +00:00
DRC
eaa31f52b3 Oops 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1066 632fc199-4ca6-4c93-a231-07263d6284db
 2013-10-30 22:21:58 +00:00
DRC
e2f8e694d0 Fix a really subtle issue whereby an invalid free() could occur if a program called tjInitDecompress() and then accidentally passed the handle to tjEncodeYUV3(), or if a program called tjInitCompress() and then accidentally passed the handle to tjDecompressToYUV2(). 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1065 632fc199-4ca6-4c93-a231-07263d6284db
 2013-10-30 22:21:06 +00:00
DRC
6cef2b1059 Fix a really subtle issue whereby an invalid free() could occur if a program called tjInitDecompress() and then accidentally passed the handle to tjEncodeYUV2(), or if a program called tjInitCompress() and then accidentally passed the handle to tjDecompressToYUV(). 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1064 632fc199-4ca6-4c93-a231-07263d6284db
 2013-10-30 22:12:37 +00:00
DRC
f57a22de55 Fix logic error from r1039 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1063 632fc199-4ca6-4c93-a231-07263d6284db
 2013-10-26 00:32:23 +00:00
DRC
596b96623f Fix logic error from r1037 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1062 632fc199-4ca6-4c93-a231-07263d6284db
 2013-10-26 00:29:53 +00:00
DRC
c45653e471 Fix a couple of issues with return value checking. JFREAD(), which wraps fread(), will never return -1. fread() will instead return 0 or a short object count if an error occurs, and ferror() will return 1 in that case. The second issue was that we were assigning the return value of ftell() to an unsigned long prior to checking the value, so the value would never be < 0 if an error occurred. It would instead be (unsigned long)-1. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1061 632fc199-4ca6-4c93-a231-07263d6284db
 2013-10-12 21:52:48 +00:00
DRC
490c7f955a Fix a couple of issues with return value checking. JFREAD(), which wraps fread(), will never return -1. fread() will instead return 0 or a short object count if an error occurs, and ferror() will return 1 in that case. The second issue was that we were assigning the return value of ftell() to an unsigned long prior to checking the value, so the value would never be < 0 if an error occurred. It would instead be (unsigned long)-1. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1060 632fc199-4ca6-4c93-a231-07263d6284db
 2013-10-12 21:51:16 +00:00
DRC
fff6c23a65 SIMD-accelerated integer convsamp routine for MIPS DSPr2 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1059 632fc199-4ca6-4c93-a231-07263d6284db
 2013-10-12 21:39:20 +00:00
DRC
3d72728169 SIMD-accelerated floating point quantize and convsamp routines for MIPS DSPr2 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1058 632fc199-4ca6-4c93-a231-07263d6284db
 2013-10-09 18:39:44 +00:00
DRC
d64e23e6f8 adjust DSPr2 performance claims 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1057 632fc199-4ca6-4c93-a231-07263d6284db
 2013-10-08 02:32:07 +00:00
DRC
d3131c1b3d SIMD-accelerated fast integer inverse DCT routine for MIPS DSPr2 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1056 632fc199-4ca6-4c93-a231-07263d6284db
 2013-10-08 02:18:59 +00:00
DRC
71e06a7d81 SIMD-accelerated fast integer forward DCT routine for MIPS DSPr2 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1055 632fc199-4ca6-4c93-a231-07263d6284db
 2013-10-08 02:11:21 +00:00
DRC
a6b7fbd352 SIMD-accelerated slow integer forward DCT and quantize routines for MIPS DSPr2 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1054 632fc199-4ca6-4c93-a231-07263d6284db
 2013-09-30 18:13:27 +00:00
DRC
a6ef282a49 Some of the IJG headers say "Modified by", so clarify that our "Modifications" are not referring to these. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1053 632fc199-4ca6-4c93-a231-07263d6284db
 2013-09-28 03:23:49 +00:00
DRC
ecc9560822 Some of the IJG headers say "Modified by", so clarify that our "Modifications" are not referring to these. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1052 632fc199-4ca6-4c93-a231-07263d6284db
 2013-09-28 03:22:53 +00:00
DRC
982e2099a4 Actually, the second bug was hidden by the first, so the initial ChangeLog entry was correct from the user's point of view. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1051 632fc199-4ca6-4c93-a231-07263d6284db
 2013-09-28 03:11:46 +00:00
DRC
cadabd4239 Actually, the second bug was hidden by the first, so the initial ChangeLog entry was correct from the user's point of view. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1050 632fc199-4ca6-4c93-a231-07263d6284db
 2013-09-28 03:10:31 +00:00
DRC
e8be2c612a Fix an issue that resulted in an error ("Invalid SOS parameters for sequential JPEG. Didn't expect more than one scan.") when decoding progressive+arithmetic JPEGs generated by libjpeg-turbo. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1049 632fc199-4ca6-4c93-a231-07263d6284db
 2013-09-28 03:04:01 +00:00
DRC
56e017d71a Fix an issue that resulted in an error ("Invalid SOS parameters for sequential JPEG. Didn't expect more than one scan.") when decoding progressive+arithmetic JPEGs generated by libjpeg-turbo. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1048 632fc199-4ca6-4c93-a231-07263d6284db
 2013-09-28 03:03:04 +00:00
DRC
e500591710 SIMD-accelerated 3/4 and 3/2 decompression scaling for MIPS DSPr2 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1047 632fc199-4ca6-4c93-a231-07263d6284db
 2013-09-27 17:51:08 +00:00
DRC
2ccf4d1a70 SIMD-accelerated 1/2 and 1/4 decompression scaling for MIPS DSPr2 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1046 632fc199-4ca6-4c93-a231-07263d6284db
 2013-09-27 17:43:23 +00:00
DRC
49eaa7572d SIMD-optimized RGB-to-grayscale conversion for MIPS DSPr2 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1045 632fc199-4ca6-4c93-a231-07263d6284db
 2013-09-27 17:39:57 +00:00
DRC
7308ffee43 Name the package *cygwin64.tar.bz2 when building on Cygwin64. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1044 632fc199-4ca6-4c93-a231-07263d6284db
 2013-09-26 07:29:20 +00:00
DRC
94b6c02d7d Name the package *cygwin64.tar.bz2 when building on Cygwin64. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1043 632fc199-4ca6-4c93-a231-07263d6284db
 2013-09-26 07:27:56 +00:00
DRC
922b14b8d8 Fix segfault in MIPS DSPr2 upsample routines that occurred when doing 'make test' 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1040 632fc199-4ca6-4c93-a231-07263d6284db
 2013-09-25 17:33:37 +00:00
DRC
f369f17f8a Due to the way in which the configure script silently falls back to a non-SIMD build if SIMD can't be enabled, we accidentally released iOS ARM v7 and v7s binaries in 1.3.0 that did not contain NEON SIMD code, because gas-preprocessor.pl wasn't in the PATH. In order to prevent this from happening again, specifying --with-simd now has the effect of forcing a SIMD build, and if this argument is specified, any issues encountered while enabling SIMD are treated as fatal. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1039 632fc199-4ca6-4c93-a231-07263d6284db
 2013-09-25 05:24:46 +00:00
DRC
8ca34d4b33 Due to the way in which the configure script silently falls back to a non-SIMD build if SIMD can't be enabled, we accidentally released iOS ARM v7 and v7s binaries in 1.3.0 that did not contain NEON SIMD code, because gas-preprocessor.pl wasn't in the PATH. In order to prevent this from happening again, specifying --with-simd now has the effect of forcing a SIMD build, and if this argument is specified, any issues encountered while enabling SIMD are treated as fatal. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1037 632fc199-4ca6-4c93-a231-07263d6284db
 2013-09-25 04:36:44 +00:00
DRC
5d2514b86f We can't enable optimized entropy coding unless we're using Huffman coding. This fixes a bug whereby attempting to create a progressive JPEG with arithmetic coding would fail. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@1036 632fc199-4ca6-4c93-a231-07263d6284db
 2013-09-24 03:39:51 +00:00
DRC
2c63c003be Clarify that the bug affects cjpeg as well as jpegtran. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1035 632fc199-4ca6-4c93-a231-07263d6284db
 2013-09-24 03:38:32 +00:00
DRC
27df2a4c03 Clarify that the bug affects cjpeg as well as jpegtran. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1034 632fc199-4ca6-4c93-a231-07263d6284db
 2013-09-24 03:37:29 +00:00
DRC
ba923a8529 Fix I/O suspension. This little nugget of code was introduced in r30 as part of an early attempt to make buffered I/O work with the optimized Huffman codec. Ultimately, r32 reverted a lot of that mess and introduced much of the logic we now use, rendering this code unnecessary, but it was never reverted because it only causes problems when I/O suspension is used, and apparently no one has tried to do that with libjpeg-turbo until now. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@1033 632fc199-4ca6-4c93-a231-07263d6284db
 2013-09-24 03:26:47 +00:00
DRC
1370f10326 We can't enable optimized entropy coding unless we're using Huffman coding. This fixes a bug whereby attempting to create a progressive JPEG with arithmetic coding would fail. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1032 632fc199-4ca6-4c93-a231-07263d6284db
 2013-09-24 03:21:38 +00:00
DRC
216cc641c9 We can't enable optimized entropy coding unless we're using Huffman coding. This fixes a bug whereby attempting to create a progressive JPEG with arithmetic coding would fail. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1031 632fc199-4ca6-4c93-a231-07263d6284db
 2013-09-24 03:18:27 +00:00
DRC
24f11a73f2 The connect.apple.com alias has apparently been down for about a month 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1030 632fc199-4ca6-4c93-a231-07263d6284db
 2013-09-23 18:38:20 +00:00
DRC
3a25f7b1d7 The connect.apple.com alias has apparently been down for about a month 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1029 632fc199-4ca6-4c93-a231-07263d6284db
 2013-09-23 18:37:34 +00:00
DRC
6eb29ddb6f Oops. We need to delete the new copy of turbojpeg.dll in the binary directory. Also add quotes to InstDir to allow installing under "c:\Program Files\", and remove unnecessary quotes in the Delete directives. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1028 632fc199-4ca6-4c93-a231-07263d6284db
 2013-09-20 01:11:40 +00:00
DRC
ae8d0dc35f In the Windows installer packages, place a duplicate copy of turbojpeg.dll in c:\libjpeg-turbo[-gcc][64]\bin. This is mainly to give installers an easy way to find the DLL for the purposes of bundling it. Specifically, this was necessary for TurboVNC, becuase 32-bit CMake running on 64-bit Windows cannot ever access the "real" c:\windows\system32 directory. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1027 632fc199-4ca6-4c93-a231-07263d6284db
 2013-09-19 22:57:18 +00:00
DRC
4d877931ab In the Windows installer packages, place a duplicate copy of turbojpeg.dll in c:\libjpeg-turbo[-gcc][64]\bin. This is mainly to give installers an easy way to find the DLL for the purposes of bundling it. Specifically, this was necessary for TurboVNC, becuase 32-bit CMake running on 64-bit Windows cannot ever access the "real" c:\windows\system32 directory. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1026 632fc199-4ca6-4c93-a231-07263d6284db
 2013-09-19 22:55:57 +00:00
DRC
7ef26165cc 1.3.1 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1025 632fc199-4ca6-4c93-a231-07263d6284db
 2013-09-19 09:36:03 +00:00
DRC
371b420ecf Fix 'make dist' 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1024 632fc199-4ca6-4c93-a231-07263d6284db
 2013-08-23 07:57:21 +00:00
DRC
ce84fc8eed git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1023 632fc199-4ca6-4c93-a231-07263d6284db 2013-08-23 07:46:07 +00:00
DRC
aba7ceda4f Oops. Forgot to implement access method for the colorspace & extend TJBench 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1022 632fc199-4ca6-4c93-a231-07263d6284db
 2013-08-23 07:13:59 +00:00
DRC
b2c4745aa3 Wordsmithing 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1021 632fc199-4ca6-4c93-a231-07263d6284db
 2013-08-23 06:38:59 +00:00
DRC
38cb1ec2a7 Add CMYK support to the TurboJPEG Java API & clean up a few things in the C API 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1020 632fc199-4ca6-4c93-a231-07263d6284db
 2013-08-23 04:45:43 +00:00
DRC
cd7c3e6672 Add CMYK support to the TurboJPEG C API 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1019 632fc199-4ca6-4c93-a231-07263d6284db
 2013-08-23 02:49:25 +00:00
DRC
7185b719cc git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1018 632fc199-4ca6-4c93-a231-07263d6284db 2013-08-20 00:17:26 +00:00
DRC
a5830628b9 Add 4:1:1 subsampling support in the TurboJPEG Java API 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1017 632fc199-4ca6-4c93-a231-07263d6284db
 2013-08-18 11:04:21 +00:00
DRC
ae92418cc1 Add note regarding the fact that 4:4:0 lacks full SIMD support; Add an option for benchmarking 4:4:0 subsampling in TJBench; Wordsmithing; Disable timestamp in generated HTML files to make diffing and merging easier 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1016 632fc199-4ca6-4c93-a231-07263d6284db
 2013-08-18 10:47:07 +00:00
DRC
f82b9f968b Add note regarding the fact that 4:4:0 lacks full SIMD support; Add an option for benchmarking 4:4:0 subsampling in TJBench; Wordsmithing; Disable timestamp in generated HTML files to make diffing and merging easier 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1015 632fc199-4ca6-4c93-a231-07263d6284db
 2013-08-18 10:39:30 +00:00
DRC
1f3635c496 Add 4:1:1 subsampling support in the TurboJPEG C API 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1014 632fc199-4ca6-4c93-a231-07263d6284db
 2013-08-18 10:19:00 +00:00
DRC
7bd24b26e0 Disable timestamp in generated HTML files to make diffing and merging easier. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1013 632fc199-4ca6-4c93-a231-07263d6284db
 2013-08-18 09:38:52 +00:00
DRC
ca866c48f0 Disable timestamp in generated HTML files to make diffing and merging easier. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1012 632fc199-4ca6-4c93-a231-07263d6284db
 2013-08-18 09:37:48 +00:00
DRC
3b21982b60 Wordsmithing 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1011 632fc199-4ca6-4c93-a231-07263d6284db
 2013-08-18 09:31:45 +00:00
DRC
7657726d38 Wordsmithing 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1010 632fc199-4ca6-4c93-a231-07263d6284db
 2013-08-18 09:28:09 +00:00
DRC
d081fd728c Add note regarding the fact that 4:4:0 lacks full SIMD support; Add an option for benchmarking 4:4:0 subsampling in tjbench. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1009 632fc199-4ca6-4c93-a231-07263d6284db
 2013-08-18 09:15:37 +00:00
DRC
07796da4e5 Add note regarding the fact that 4:4:0 lacks full SIMD support; Add an option for benchmarking 4:4:0 subsampling in tjbench. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1008 632fc199-4ca6-4c93-a231-07263d6284db
 2013-08-18 09:13:00 +00:00
DRC
bcda6834d6 Upgrade to Doxygen 1.8.3.1; Add note regarding the fact that 4:4:0 lacks full SIMD support. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1007 632fc199-4ca6-4c93-a231-07263d6284db
 2013-08-18 09:02:42 +00:00
DRC
71ccb39d1e Upgrade to Doxygen 1.8.3.1 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1006 632fc199-4ca6-4c93-a231-07263d6284db
 2013-08-18 09:00:15 +00:00
DRC
a4a48ed06c Upgrade to Doxygen 1.8.3.1 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1005 632fc199-4ca6-4c93-a231-07263d6284db
 2013-08-18 08:47:03 +00:00
DRC
1520ee2986 Remove stray closing bracket that prevented the use of this header in a C++ application 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1003 632fc199-4ca6-4c93-a231-07263d6284db
 2013-08-12 21:36:10 +00:00
DRC
8cda1c32ec Remove stray closing bracket that prevented the use of this header in a C++ application 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1002 632fc199-4ca6-4c93-a231-07263d6284db
 2013-08-12 21:35:46 +00:00
DRC
96573d05b5 By default, install the libraries into /opt/libjpeg-turbo/lib32 on any 32-bit system, not just x86, and into /opt/libjpeg-turbo/lib64 on any 64-bit system, not just x86-64. In particular, this addresses an issue with building TurboVNC and VirtualGL on ARM systems. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1001 632fc199-4ca6-4c93-a231-07263d6284db
 2013-08-11 23:23:41 +00:00
DRC
dadebe97e4 Document previous commit in the change log 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1000 632fc199-4ca6-4c93-a231-07263d6284db
 2013-08-11 23:04:34 +00:00
DRC
c32e0c23c0 By default, install the libraries into /opt/libjpeg-turbo/lib32 on any 32-bit system, not just x86, and into /opt/libjpeg-turbo/lib64 on any 64-bit system, not just x86-64. In particular, this addresses an issue with building TurboVNC and VirtualGL on ARM systems. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@999 632fc199-4ca6-4c93-a231-07263d6284db
 2013-08-11 22:57:19 +00:00
DRC
16962c1132 SIMD support for performing upsampling using MIPS DSPr2 instructions 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@996 632fc199-4ca6-4c93-a231-07263d6284db
 2013-07-27 21:50:02 +00:00
DRC
6f2d3c2c97 SIMD support for performing downsampling using MIPS DSPr2 instructions 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@995 632fc199-4ca6-4c93-a231-07263d6284db
 2013-07-27 21:48:18 +00:00
DRC
86fbf35fb6 SIMD support for performing fancy upsampling using MIPS DSPr2 instructions 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@994 632fc199-4ca6-4c93-a231-07263d6284db
 2013-07-27 21:44:14 +00:00
DRC
0be9fa5735 SIMD support for performing color conversion using MIPS DSPr2 instructions 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@993 632fc199-4ca6-4c93-a231-07263d6284db
 2013-07-24 21:50:20 +00:00
DRC
b92710377b Fix lintian warning about missing maintainer address when installing on recent Debian-based systems 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@992 632fc199-4ca6-4c93-a231-07263d6284db
 2013-07-07 04:43:49 +00:00
DRC
822c8507bb Fix lintian warning about missing maintainer address when installing on recent Debian-based systems 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@991 632fc199-4ca6-4c93-a231-07263d6284db
 2013-07-07 04:42:56 +00:00
DRC
d3eb40b97a Use ELF64 object format on 64-bit kFreeBSD systems. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@990 632fc199-4ca6-4c93-a231-07263d6284db
 2013-07-03 14:22:09 +00:00
DRC
c8843a0b14 Use ELF64 object format on 64-bit kFreeBSD systems. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@989 632fc199-4ca6-4c93-a231-07263d6284db
 2013-07-03 14:21:49 +00:00
DRC
6e0bbbf7e6 1.3.0 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@983 632fc199-4ca6-4c93-a231-07263d6284db
 2013-05-10 22:08:53 +00:00
DRC
418fe286c2 Fix incorrect data output and buffer overruns in the new tjDecompressToYUV2() function whenever scaling is used along with a 4:2:0 JPEG image; extend tjunittest and TJUnitTest to test for these issues. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@982 632fc199-4ca6-4c93-a231-07263d6284db
 2013-05-07 21:17:35 +00:00
DRC
b7c41932ed Clean up the output of tjunittest and TJUnitTest 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@981 632fc199-4ca6-4c93-a231-07263d6284db
 2013-05-04 23:41:33 +00:00
DRC
49df783743 Clean up the output of tjunittest and TJUnitTest 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@980 632fc199-4ca6-4c93-a231-07263d6284db
 2013-05-04 23:31:32 +00:00
DRC
fca3e72600 Make sure the RPM provides "libjpeg-turbo" as well, for backward compatibility (the TurboVNC RPM build, in particular, checks for this.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@979 632fc199-4ca6-4c93-a231-07263d6284db
 2013-05-04 04:48:27 +00:00
DRC
04e0a0293a Make sure the RPM provides "libjpeg-turbo" as well, for backward compatibility (the TurboVNC RPM build, in particular, checks for this.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@978 632fc199-4ca6-4c93-a231-07263d6284db
 2013-05-01 06:03:53 +00:00
DRC
9495a94490 Fix 'make rpm' 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@977 632fc199-4ca6-4c93-a231-07263d6284db
 2013-05-01 05:48:22 +00:00
DRC
fef9852da3 Extend the TurboJPEG Java API to support generating YUV images with arbitrary padding and to support image scaling when decompressing to YUV 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@975 632fc199-4ca6-4c93-a231-07263d6284db
 2013-04-28 01:32:52 +00:00
DRC
d0ad5a9447 Fix backward compatibility between the Java classes and the 1.2.x JNI library (as long as the 1.3 Java features are not used.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@974 632fc199-4ca6-4c93-a231-07263d6284db
 2013-04-27 23:25:17 +00:00
DRC
bb9e147872 Fix backward compatibility between the Java classes and the 1.2.x JNI library (as long as the 1.3 Java features are not used.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@973 632fc199-4ca6-4c93-a231-07263d6284db
 2013-04-27 22:48:08 +00:00
DRC
24211153fa Bump the age number of the TurboJPEG DSO, because interfaces have been added. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@972 632fc199-4ca6-4c93-a231-07263d6284db
 2013-04-27 22:18:29 +00:00
DRC
d6c06349ed Correct misuse of the word "pitch" + more code formatting tweaks 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@971 632fc199-4ca6-4c93-a231-07263d6284db
 2013-04-27 20:55:45 +00:00
DRC
1d29c5f97b Correct misuse of the word "pitch" + more code formatting tweaks 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@970 632fc199-4ca6-4c93-a231-07263d6284db
 2013-04-27 20:54:44 +00:00
DRC
ee20edd645 Code formatting tweaks 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@969 632fc199-4ca6-4c93-a231-07263d6284db
 2013-04-27 12:38:20 +00:00
DRC
67bee8683d Code formatting tweaks 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@968 632fc199-4ca6-4c93-a231-07263d6284db
 2013-04-27 12:36:07 +00:00
DRC
7a2f3a4edf Java doc tweaks 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@967 632fc199-4ca6-4c93-a231-07263d6284db
 2013-04-27 01:08:55 +00:00
DRC
65d4a46d3b Java doc tweaks 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@966 632fc199-4ca6-4c93-a231-07263d6284db
 2013-04-27 01:06:52 +00:00
DRC
fc5c0c645a Not that it matters, because JNI uses dlopen()/dlsym() to load symbols, but for bookkeeping purposes, move the JNI symbols introduced in libjpeg-turbo 1.3 into a new section. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@965 632fc199-4ca6-4c93-a231-07263d6284db
 2013-04-26 23:43:15 +00:00
DRC
c6eedebc6a Oops 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@964 632fc199-4ca6-4c93-a231-07263d6284db
 2013-04-26 23:41:51 +00:00
DRC
0c83e5af00 Not that it matters, because JNI uses dlopen()/dlsym() to load symbols, but for bookkeeping purposes, move the JNI symbols introduced in libjpeg-turbo 1.3 into a new section. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@963 632fc199-4ca6-4c93-a231-07263d6284db
 2013-04-26 23:39:23 +00:00
DRC
f610d61fcc Extend the TurboJPEG C API to support generating YUV images with arbitrary padding and to support image scaling when decompressing to YUV 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@962 632fc199-4ca6-4c93-a231-07263d6284db
 2013-04-26 10:33:29 +00:00
DRC
d8522a7587 Wordsmithing 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@961 632fc199-4ca6-4c93-a231-07263d6284db
 2013-04-26 08:54:10 +00:00
DRC
c49694a34a Further doc tweaks 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@960 632fc199-4ca6-4c93-a231-07263d6284db
 2013-04-26 08:46:46 +00:00
DRC
01fdcc391a Further doc tweaks 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@959 632fc199-4ca6-4c93-a231-07263d6284db
 2013-04-26 08:41:25 +00:00
DRC
17c3755f9a Subtle point, but since libjpeg-turbo 1.3 now supports scaling factors > 1, the width and height specified in tjDecompress2() are not necessarily smaller than the JPEG width/height. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@958 632fc199-4ca6-4c93-a231-07263d6284db
 2013-04-26 05:35:22 +00:00
DRC
9ce1a21ea7 Subtle point, but since libjpeg-turbo 1.3 now supports scaling factors > 1, the width and height specified in tjDecompress2() are not necessarily smaller than the JPEG width/height. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@957 632fc199-4ca6-4c93-a231-07263d6284db
 2013-04-26 05:32:32 +00:00
DRC
17745ddd86 Bump version to prepare for new features 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@956 632fc199-4ca6-4c93-a231-07263d6284db
 2013-04-25 09:45:50 +00:00
DRC
0bb37a5d5f Create 1.3.x branch 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@955 632fc199-4ca6-4c93-a231-07263d6284db
 2013-04-25 09:37:19 +00:00
DRC
4c17a453d1 Fix I/O suspension. This little nugget of code was introduced in r30 as part of an early attempt to make buffered I/O work with the optimized Huffman codec. Ultimately, r32 reverted a lot of that mess and introduced much of the logic we now use, rendering this code unnecessary, but it was never reverted because it only causes problems when I/O suspension is used, and apparently no one has tried to do that with libjpeg-turbo until now. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@954 632fc199-4ca6-4c93-a231-07263d6284db
 2013-04-25 08:55:31 +00:00
DRC
4578953843 For consistency, allow the name of the Mac and Cygwin packages to be overridden as well. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@953 632fc199-4ca6-4c93-a231-07263d6284db
 2013-04-24 23:39:37 +00:00
DRC
d7a642b571 Minor doc tweaks + ChangeLog update 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@951 632fc199-4ca6-4c93-a231-07263d6284db
 2013-04-24 06:40:25 +00:00
DRC
00400a0a58 In order to avoid a functional regression with previous releases, the JAR file needs to be able to load either the 64-bit or 32-bit JNI library on Un*x systems. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@950 632fc199-4ca6-4c93-a231-07263d6284db
 2013-04-24 06:21:24 +00:00
DRC
441308cffa Move the TurboJPEG DLLs back into the system directory on Windows platforms. For Windows, it doesn't really simplify the build system to install these libraries in c:\libjpeg-turbo*, and it introduces potential problems with loading the JNI library. Specifically, if a user linked their Java app against the 64-bit libjpeg-turbo SDK and then used a 32-bit JVM at run time, they would not be able to load the 32-bit turbojpeg.dll without manipulating java.library.path or the PATH environment (and vice versa for building against the 32-bit libjpeg-turbo SDK and using a 64-bit JVM at run time.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@949 632fc199-4ca6-4c93-a231-07263d6284db
 2013-04-24 05:26:42 +00:00
DRC
4b357abb6d Older versions of automake don't support multiple _JAVA primaries, but we don't actually have to specify a "dist" primary, since the Java sources are already included under EXTRA_DIST. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@948 632fc199-4ca6-4c93-a231-07263d6284db
 2013-04-24 03:36:30 +00:00
DRC
94f7ac929a Fix 'make dist' 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@947 632fc199-4ca6-4c93-a231-07263d6284db
 2013-04-24 03:15:23 +00:00
DRC
7175e51792 Further enhancements/fixes to the packaging system: 
-- The Mac and Cygwin packages will now be created with the directory structure defined by the configure variables "prefix", "bindir", "libdir", etc., with the exception that the docs are always installed under /usr/share/doc/{package_name}-{version} on Cygwin and /Library/Documentation/{package_name} on Mac.
-- Fixed a duplicate filename warning when generating RPMs with the default prefix of /opt/libjpeg-turbo.
-- Moved the TurboJPEG libraries out of the system directory on Windows and Mac.  It is no longer necessary to put them there, since we are not trying to be backward compatible with TurboJPEG/IPP anymore.
-- Fixed an issue whereby building the "installer" target on Windows would not build the Java JAR file, thus causing an error if the JAR had not been previously built.
-- Building the "install" target on Windows will now install libjpeg-turbo into c:\libjpeg-turbo[-gcc][64] (the same directories used by the installers.)  This can be overridden by setting CMAKE_INSTALL_PREFIX.
-- The Java classes on all platforms will now look for the JNI library in the directory under which the build/packaging system installs it.


git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@946 632fc199-4ca6-4c93-a231-07263d6284db
 2013-04-23 22:29:00 +00:00
DRC
764e1e23aa Overhaul Linux/Unix packaging system, primarily to avoid conflicts with vendor-supplied libjpeg-turbo packages (such as in Fedora and RHEL 6.) This also streamlines the packaging system somewhat, since it is no longer necessary to move the TurboJPEG libraries into the system library directory. Relocating those libraries was originally done to provide backward compatibility with TurboJPEG/IPP, but that package is long obsolete, and the software that formerly used it has been linking statically with libjpeg-turbo for quite some time. 
If the default prefix (/opt/libjpeg-turbo) is used, then we now always install 32-bit libraries in /opt/libjpeg-turbo/lib32 and 64-bit libraries in /opt/libjpeg-turbo/lib64 instead of trying to conform to the Debian or Red Hat conventions.  The RPM and DEB packages will now be created with the directory structure defined by the configure variables "prefix", "bindir", "libdir", etc., with the exception that the docs are always installed under /usr/share/doc/{package_name}-{version}.


git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@944 632fc199-4ca6-4c93-a231-07263d6284db
 2013-04-19 04:25:14 +00:00
DRC
0ddff3b059 Formatting tweaks 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@943 632fc199-4ca6-4c93-a231-07263d6284db
 2013-04-11 05:17:53 +00:00
DRC
7eced19feb Remove unneeded headers (cdef.h isn't available on all platforms) and change u_int32_t to unsigned int, since u_int32_t isn't available on all platforms. This fixes build issues on Solaris. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@942 632fc199-4ca6-4c93-a231-07263d6284db
 2013-03-30 20:54:15 +00:00
DRC
08769b32f6 Grammar police 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@941 632fc199-4ca6-4c93-a231-07263d6284db
 2013-03-23 21:35:41 +00:00
DRC
f32640e8cb Document issues encountered when building on OS X 10.7 and later. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@939 632fc199-4ca6-4c93-a231-07263d6284db
 2013-03-23 09:57:03 +00:00
DRC
6cd1ec4b09 It's more correct to say "The Independent JPEG Group's software", since libjpeg-turbo emulates both the command-line and application programming interfaces. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@932 632fc199-4ca6-4c93-a231-07263d6284db
 2013-03-23 05:35:37 +00:00
DRC
7ed0aebdba Add note about how to obtain PackageMaker if using recent Xcode releases. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@931 632fc199-4ca6-4c93-a231-07263d6284db
 2013-02-24 20:39:30 +00:00
DRC
5e96c9bfe0 Bump version for post-beta pre-releases 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@930 632fc199-4ca6-4c93-a231-07263d6284db
 2013-02-22 06:58:31 +00:00
DRC
5a84a0e1b3 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@929 632fc199-4ca6-4c93-a231-07263d6284db 2013-02-14 07:31:35 +00:00
DRC
fde862ba1d Trying to build ARM v7/v7s iOS binaries from the "official" libjpeg-turbo tarball (generated on RHEL4/autoconf 2.59/automake 1.9.2/libtool 1.5.6) using either Xcode 3.2.x or 4.5.x produces an error: "libtool: compile: unable to infer tagged configuration". Further study is warranted, but the most expedient way around it at the moment is to re-run autoconf on the OS X machine that is being used to generate the iOS binaries. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@928 632fc199-4ca6-4c93-a231-07263d6284db
 2013-02-11 03:38:53 +00:00
DRC
292fb8425e Fix 'make dist' 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@927 632fc199-4ca6-4c93-a231-07263d6284db
 2013-02-06 23:55:59 +00:00
DRC
0bf58f2145 Include a C version of md5cmp rather than depending on an external md5sum binary, since md5sum is not available on all platforms (specifically, it doesn't exist on FreeBSD, and it has to be installed via MacPorts on OS X.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@926 632fc199-4ca6-4c93-a231-07263d6284db
 2013-02-06 23:51:08 +00:00
DRC
a35de7cc08 Fix line break 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@925 632fc199-4ca6-4c93-a231-07263d6284db
 2013-02-04 23:46:52 +00:00
DRC
a2a2cd60e5 Include ARM v7s (iPhone 5, iPad 4) support in the universal libjpeg/libturbojpeg libraries distributed with our official binary package for OS X. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@923 632fc199-4ca6-4c93-a231-07263d6284db
 2013-02-04 22:29:57 +00:00
DRC
189ee81b58 Oops. Separate .def file is not needed when compiling with jpeg-8 API/ABI emulation. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@922 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-27 15:54:59 +00:00
DRC
0f7ff719a1 Wordsmith the project description 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@921 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-23 01:32:25 +00:00
DRC
bdfcb74d50 Actually, turbojpeg.c works with libjpeg as well 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@920 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-22 13:56:34 +00:00
DRC
5039d734d5 Eliminated the awkward and confusing "TurboJPEG/OSS" designation, since there are no other active implementations of the TurboJPEG API anymore; don't refer to the libjpeg API library as "libjpeg-turbo" anymore, since that can be confusing; ARM v7s build instructions 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@919 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-21 23:42:12 +00:00
DRC
98ca1c35d7 ImageIO.read() returns null if the input image type is not supported (which occurs when trying to read a PPM file), so output a friendly error instead of letting the next line throw a null pointer exception. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@918 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-19 06:43:27 +00:00
DRC
2e22eb6ea2 New year, new copyright message 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@917 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-19 01:16:38 +00:00
DRC
6da61db278 Fix several issues with SRPM generation: (1) ensure that all relevant configure arguments get passed down to the configure command line in the generated spec file, (2) adjust the file manifest in the spec to accommodate the differing "age" version whenever the in-memory source/dest managers are used, and (3) fix an issue with the value of SO_MAJOR_VERSION passed down to the configure command line in the generated spec file (SO_MAJOR_VERSION has to remain pure, so we use a different variable to pass down the combined "current+age" value to libtool in Makefile.am.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@916 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-19 01:06:46 +00:00
DRC
dc4645d422 Since Windows doesn't use lazy loading, clarify that a Windows application that uses jpeg_mem_dest() or jpeg_mem_src() must use the DLL containing those functions at run time. Other wordsmithing 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@915 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-19 00:13:57 +00:00
DRC
736fb06278 Compiler warnings on Windows 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@914 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-18 23:45:06 +00:00
DRC
ab70623eb2 Implement in-memory source/destination managers even when not emulating the libjpeg v8 API/ABI 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@913 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-18 23:42:31 +00:00
DRC
b87136c2c7 Include justification for not supporting SmartScale, DCT scaling, and the libjpeg v9 ABI 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@912 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-18 06:12:51 +00:00
DRC
eff4f956fe Subtle point, but the libjpeg v7+ API is not backward incompatible. That is, programs that were built against jpeg-6b can still build against jpeg-7+ with no issues. It's only the ABI that is backward incompatible, so the primary justification for implementing the emulation feature was to provide run-time (ABI) compatibility. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@911 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-18 06:02:10 +00:00
DRC
e2394fc58a Subtle point, but the libjpeg v7+ API is not backward incompatible. That is, programs that were built against jpeg-6b can still build against jpeg-7+ with no issues. It's only the ABI that is backward incompatible, so the primary justification for implementing the emulation feature was to provide run-time (ABI) compatibility. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@910 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-18 05:54:06 +00:00
DRC
cb2036fd11 Say "do not include" rather than "omit", to be consistent with the CMake build system and the output of the configure script. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@909 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-17 21:48:11 +00:00
DRC
7c39e3a766 Include full readme for nightshot_iso_100 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@908 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-13 21:11:50 +00:00
DRC
1f4cc446fe The GNU version of md5sum is picky about the spacing 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@907 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-13 12:49:57 +00:00
DRC
b87a0b4687 Fix the x86 build with NASM 0.98. Since NASM 0.98 is the default version on OS X, we want to at least allow people to build 32-bit code with it, even though it can't properly build 64-bit code. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@906 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-13 12:15:58 +00:00
DRC
00c2cf3632 Fix the x86 build with NASM 0.98. Since NASM 0.98 is the default version on OS X, we want to at least allow people to build 32-bit code with it, even though it can't properly build 64-bit code. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@905 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-13 12:12:53 +00:00
DRC
0f43551e08 Fix 'make dist' 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@904 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-13 11:40:58 +00:00
DRC
c5052c7701 Acknowledge the source of nightshot_iso_100.bmp 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@903 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-13 11:30:12 +00:00
DRC
211d1e7463 Consolidate the MD5 sums into one location and add a --without-turbojpeg switch to the Un*x build to allow building libjpeg-turbo without the TurboJPEG/OSS wrapper library. These modifications were supposed to lay the ground work for adding compile-time-selectable 12-bit JPEG support, but unfortunately there are deeper issues that prevent the implementation of that feature right now (namely, some of the modifications made to the C code to support the SIMD code are apparently not 12-bit-friendly.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@902 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-13 11:25:20 +00:00
DRC
5815699bff In all fairness, breaking backward ABI compatibility was necessary in jpeg-7 and jpeg-8 due to the fact that the caller allocates the struct. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@901 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-13 11:05:25 +00:00
DRC
f29ffd3eed Modify 'make test' so that it uses MD5 sums instead of reference images. This eliminates the need to check most of the test images into the repository, which keeps the source tarball to a reasonable size. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@900 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-13 03:00:25 +00:00
DRC
2f12d7a486 Also remove mention of install.txt and filelist.txt in the build system and README. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@899 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-13 01:19:09 +00:00
DRC
6f96153c67 install.txt contains no information relevant to libjpeg-turbo, and filelist.txt does not give any information that can't be gleaned by looking at the headers in the various source files. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@898 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-13 01:17:08 +00:00
DRC
e54d31affe git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@897 632fc199-4ca6-4c93-a231-07263d6284db 2013-01-12 07:30:58 +00:00
DRC
6b638a6d58 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@896 632fc199-4ca6-4c93-a231-07263d6284db 2013-01-12 07:29:53 +00:00
DRC
d211effa01 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@895 632fc199-4ca6-4c93-a231-07263d6284db 2013-01-12 07:28:35 +00:00
DRC
dad4d2e76c git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@894 632fc199-4ca6-4c93-a231-07263d6284db 2013-01-11 11:07:37 +00:00
DRC
d5e964c980 Wordsmithing; Remove mention of TurboJPEG/IPP-- it is no longer a relevant comparison, since the version of IPP on which TurboJPEG/IPP was based is now quite old, and TurboJPEG/IPP is no longer distributed or supported by The VirtualGL Project; Include information about mathematical incompatibilities with jpeg-8 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@893 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-10 11:47:39 +00:00
DRC
c168d9641c Prevent compiler warning on Windows if jmorecfg.h is included after the Windows headers, which also define FAR. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@892 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-06 18:00:20 +00:00
DRC
6a32d04d23 Prevent compiler warning on Windows if jmorecfg.h is included after the Windows headers, which also define FAR. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@891 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-06 17:59:42 +00:00
DRC
28701317d2 Spacing tweak 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@890 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-01 11:41:44 +00:00
DRC
d7ca17b73d We support arithmetic coding, which is a feature of libjpeg v7/v8 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@889 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-01 11:41:13 +00:00
DRC
ac51438b66 Indicate our support for some of the jpeg-8d features, as well as arithmetic coding 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@888 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-01 11:39:04 +00:00
DRC
966d8b77ef Undocument ansi2knr.c, since we don't include it 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@887 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-01 11:12:20 +00:00
DRC
c137f0f1cf Merge some of the README changes from jpeg-8d and change the copyright and version strings to reflect that we use some of that code. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@886 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-01 10:56:38 +00:00
DRC
f37e4daf94 Port RGB-to-Grayscale color transform from jpeg-8d 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@885 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-01 10:52:29 +00:00
DRC
251db636f8 Further changes to the copyright/attribution notices to make it clear that our modified files are not part of the IJG's software. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@884 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-01 10:51:16 +00:00
DRC
a9d39ce09d Further changes to the copyright/attribution notices to make it clear that our modified files are not part of the IJG's software. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@883 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-01 10:50:59 +00:00
DRC
e0634b15c3 We now support the additional decompression scaling factors from jpeg-7 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@882 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-01 10:47:02 +00:00
DRC
8cbf8939bb Port the width/height force feature from jpegtran v8d. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@881 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-01 10:44:00 +00:00
DRC
f73a27ca5b Add cjpeg -rgb option from jpeg-8d 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@880 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-01 10:25:43 +00:00
DRC
b5f2e450ac Minor modifications from jpeg-8d 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@879 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-01 10:17:03 +00:00
DRC
b24a7228ed Further changes to the copyright/attribution notices to make it clear that our modified files are not part of the IJG's software. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@878 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-01 10:13:34 +00:00
DRC
6d6e37df18 Further changes to the copyright/attribution notices to make it clear that our modified files are not part of the IJG's software. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@877 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-01 10:12:34 +00:00
DRC
cf763c0cd8 Further changes to the copyright/attribution notices to make it clear that our modified files are not part of the IJG's software. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@876 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-01 09:51:37 +00:00
DRC
03badeab66 Further changes to the copyright/attribution notices to make it clear that our modified files are not part of the IJG's software. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@875 632fc199-4ca6-4c93-a231-07263d6284db
 2013-01-01 09:49:47 +00:00
DRC
84f7122ba6 1.2.90 (1.3 beta1) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@874 632fc199-4ca6-4c93-a231-07263d6284db
 2012-12-31 09:44:31 +00:00
DRC
a73e870ad0 Change the copyright notices to make it clear that our modified files are not part of the IJG's software. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@873 632fc199-4ca6-4c93-a231-07263d6284db
 2012-12-31 02:52:30 +00:00
DRC
0bfb78051d Change the copyright notices to make it clear that our modified files are not part of the IJG's software. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@872 632fc199-4ca6-4c93-a231-07263d6284db
 2012-12-31 02:42:18 +00:00
DRC
2dcd4b5353 Fix bug in unused code 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@871 632fc199-4ca6-4c93-a231-07263d6284db
 2012-12-01 22:33:54 +00:00
DRC
152e4c5ee4 Fix bug in unused code 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@870 632fc199-4ca6-4c93-a231-07263d6284db
 2012-12-01 22:33:25 +00:00
DRC
5e3bb3e9c8 Use a more robust method of obtaining the build timestamp on Windows. 'wmic os get LocalDateTime' will always return the timestamp in the format we want (YYYYMMDD), whereas date /t is sensitive to locale. If wmic fails, then we fall back to using date /t, even though this means that the BUILD variable will end up in the incorrect format on some systems. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@869 632fc199-4ca6-4c93-a231-07263d6284db
 2012-10-12 10:19:09 +00:00
DRC
75cf49798d Use a more robust method of obtaining the build timestamp on Windows. 'wmic os get LocalDateTime' will always return the timestamp in the format we want (YYYYMMDD), whereas date /t is sensitive to locale. If wmic fails, then we fall back to using date /t, even though this means that the BUILD variable will end up in the incorrect format on some systems. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@868 632fc199-4ca6-4c93-a231-07263d6284db
 2012-10-12 10:18:37 +00:00
DRC
de924b8587 Use a more robust method of obtaining the build timestamp on Windows. 'wmic os get LocalDateTime' will always return the timestamp in the format we want (YYYYMMDD), whereas date /t is sensitive to locale. If wmic fails, then we fall back to using date /t, even though this means that the BUILD variable will end up in the incorrect format on some systems. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@867 632fc199-4ca6-4c93-a231-07263d6284db
 2012-10-12 09:29:44 +00:00
DRC
bc2e66cb43 Fix MinGW build and remove duplication of effort 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@864 632fc199-4ca6-4c93-a231-07263d6284db
 2012-10-02 06:47:37 +00:00
DRC
d9d1d67d7c git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@863 632fc199-4ca6-4c93-a231-07263d6284db 2012-10-02 04:20:43 +00:00
DRC
fac3bea8da Add a Java version of TJBench and extend the TurboJPEG Java API to support it (this involved adding a polymorphic method in TJCompressor that accepts x and y offsets into a larger buffer, similar to the previous modification that had been done to TJDecompressor.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@862 632fc199-4ca6-4c93-a231-07263d6284db
 2012-09-24 02:27:55 +00:00
DRC
61e1341f11 If libturbojpeg.jnilib is not found on Mac systems, specifically look for it under /usr/lib, since /usr/lib isn't part of the default java.library.path on that platform. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@861 632fc199-4ca6-4c93-a231-07263d6284db
 2012-08-24 02:44:39 +00:00
DRC
29d8f253f8 Fix build issues that occurred whenever the source directory contained the letters "col", "mer", or "gra". 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@860 632fc199-4ca6-4c93-a231-07263d6284db
 2012-08-07 21:59:59 +00:00
DRC
8fd7221dc1 Fix build issues that occurred whenever the source directory contained the letters "col", "mer", or "gra". 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@859 632fc199-4ca6-4c93-a231-07263d6284db
 2012-08-07 21:59:28 +00:00
DRC
a394bf752a Allow the libjpeg-turbo32 package to be used on MultiArch-compatible systems without overriding the linker path or LD_LIBRARY_PATH. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@858 632fc199-4ca6-4c93-a231-07263d6284db
 2012-08-07 18:44:24 +00:00
DRC
0a0f8d14e2 Allow the libjpeg-turbo32 package to be used on MultiArch-compatible systems without overriding the linker path or LD_LIBRARY_PATH. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@857 632fc199-4ca6-4c93-a231-07263d6284db
 2012-08-07 18:42:07 +00:00
DRC
2186809a45 Oops. Add support for TJFLAG_FASTDCT to tjDecompressToYUV() as well. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@856 632fc199-4ca6-4c93-a231-07263d6284db
 2012-07-03 20:02:49 +00:00
DRC
e0419b530b Oops. Add support for TJFLAG_FASTDCT to tjDecompressToYUV() as well. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@855 632fc199-4ca6-4c93-a231-07263d6284db
 2012-07-03 20:01:31 +00:00
DRC
3367f407fe 1.2.2 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@854 632fc199-4ca6-4c93-a231-07263d6284db
 2012-07-03 20:00:35 +00:00
DRC
cc336e7bd2 Cosmetic fixes to argument lists 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@852 632fc199-4ca6-4c93-a231-07263d6284db
 2012-06-29 23:51:35 +00:00
DRC
73d74c132b Add flags to the TurboJPEG API that allow the caller to force the use of either the fast or the accurate DCT/IDCT algorithms in the underlying codec. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@851 632fc199-4ca6-4c93-a231-07263d6284db
 2012-06-29 23:46:38 +00:00
DRC
e0a0151761 Re-generate docs to pick up new API version 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@850 632fc199-4ca6-4c93-a231-07263d6284db
 2012-06-29 23:17:03 +00:00
DRC
fd3aba3590 Added flags to the TurboJPEG API that allow the caller to force the use of either the fast or the accurate DCT/IDCT algorithms in the underlying codec. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@849 632fc199-4ca6-4c93-a231-07263d6284db
 2012-06-29 23:14:48 +00:00
DRC
112a0bb968 More recent versions of autoconf add -traditional-cpp to the CPP flags, which causes jsimdcfg.inc.h to not preprocess correctly unless we expand all of the instances of the #definev macro. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@848 632fc199-4ca6-4c93-a231-07263d6284db
 2012-06-28 23:25:34 +00:00
DRC
ea505e777a More recent versions of autoconf add -traditional-cpp to the CPP flags, which causes jsimdcfg.inc.h to not preprocess correctly unless we expand all of the instances of the #definev macro. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@847 632fc199-4ca6-4c93-a231-07263d6284db
 2012-06-28 23:24:29 +00:00
DRC
5950c5d4f9 Later versions of autoconf (specifically, the one shipped with Xcode 4.3) default to building x86-64, so it is necessary to override the host_alias to get a 32-bit build. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@846 632fc199-4ca6-4c93-a231-07263d6284db
 2012-06-28 23:22:03 +00:00
DRC
ea7bb7b651 Later versions of autoconf (specifically, the one shipped with Xcode 4.3) default to building x86-64, so it is necessary to override the host_alias to get a 32-bit build. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@845 632fc199-4ca6-4c93-a231-07263d6284db
 2012-06-28 23:21:13 +00:00
DRC
98eecb8605 Fixed regression caused by a bug in the 32-bit strict memory access code in jdmrgss2.asm (contributed by Chromium to stop valgrind from whining whenever the output buffer size was not evenly divisible by 16 bytes.) On Linux/x86, this regression caused incorrect pixels on the right-hand side of images whose rows were not 16-byte aligned, whenever fancy upsampling was used and when decompressing to a 32-bit (RGBX, etc.) buffer. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@844 632fc199-4ca6-4c93-a231-07263d6284db
 2012-06-18 00:18:04 +00:00
DRC
13c318da4f Fixed regression caused by a bug in the 32-bit strict memory access code in jdmrgss2.asm (contributed by Chromium to stop valgrind from whining whenever the output buffer size was not evenly divisible by 16 bytes.) On Linux/x86, this regression caused incorrect pixels on the right-hand side of images whose rows were not 16-byte aligned, whenever fancy upsampling was used and when decompressing to a 32-bit (RGBX, etc.) buffer. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@843 632fc199-4ca6-4c93-a231-07263d6284db
 2012-06-18 00:16:15 +00:00
DRC
14e8225391 Provide further details about the regression 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@842 632fc199-4ca6-4c93-a231-07263d6284db
 2012-06-18 00:09:19 +00:00
DRC
de37e07716 Provide further details about the regression 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@841 632fc199-4ca6-4c93-a231-07263d6284db
 2012-06-18 00:08:18 +00:00
DRC
575317bb54 Acknowledge the existence of 1.2.1 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@840 632fc199-4ca6-4c93-a231-07263d6284db
 2012-06-15 22:00:47 +00:00
DRC
df0babcfc2 Fixed regression caused by a bug in the 32-bit strict memory access code in jdmrgss2.asm (contributed by Chromium to stop valgrind from whining whenever the output buffer size was not evenly divisible by 16 bytes.) On Linux/x86, this regression caused incorrect pixels on the right-hand side of images whose rows were not 16-byte aligned, whenever fancy upsampling was used. This patch also enables the strict memory access code on all platforms, not just Linux (it does no harm on other platforms) and removes a couple of pcmpeqb instructions that were rendered unnecessary by r836. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@839 632fc199-4ca6-4c93-a231-07263d6284db
 2012-06-15 21:58:06 +00:00
DRC
8126d0c5a5 Fixed regression caused by a bug in the 32-bit strict memory access code in jdmrgss2.asm (contributed by Chromium to stop valgrind from whining whenever the output buffer size was not evenly divisible by 16 bytes.) On Linux/x86, this regression generated incorrect pixels on the right-hand side of images whose rows were not 16-byte aligned, whenever fancy upsampling was used. This patch also enables the strict memory access code on all platforms, not just Linux (it does no harm on other platforms) and removes a couple of pcmpeqb instructions that were rendered unnecessary by r835. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@838 632fc199-4ca6-4c93-a231-07263d6284db
 2012-06-15 21:54:45 +00:00
DRC
316617faf4 Accelerated 4:2:2 upsampling routine for ARM (improves performance ~20-30% when decompressing 4:2:2 JPEGs using fancy upsampling) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@837 632fc199-4ca6-4c93-a231-07263d6284db
 2012-06-13 05:17:03 +00:00
DRC
66fe68b0b2 Eliminate the use of the MASKMOVDQU instruction, to speed up decompression performance by 10x on AMD Bobcat embedded processors (and ~5% on AMD desktop processors.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@836 632fc199-4ca6-4c93-a231-07263d6284db
 2012-06-13 01:23:09 +00:00
DRC
69799275be Eliminate the use of the MASKMOVDQU instruction, to speed up decompression performance by 10x on AMD Bobcat embedded processors (and ~5% on AMD desktop processors.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@835 632fc199-4ca6-4c93-a231-07263d6284db
 2012-06-13 01:21:29 +00:00
DRC
b2fc846e44 Add new JNI functions to mapfile so they will be visible on Linux 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@834 632fc199-4ca6-4c93-a231-07263d6284db
 2012-06-08 08:25:17 +00:00
DRC
dc31f0bc41 Fix array size calculations 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@833 632fc199-4ca6-4c93-a231-07263d6284db
 2012-06-07 09:38:57 +00:00
DRC
f659f43f93 Add x, y parameters to TJDecompressor so that it can be used to decompress to an arbitrary position in the destination image (TurboVNC needs this.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@832 632fc199-4ca6-4c93-a231-07263d6284db
 2012-06-06 08:41:06 +00:00
DRC
dd2b651243 Guard against num_components being a ridiculous value due to a corrupt header 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@831 632fc199-4ca6-4c93-a231-07263d6284db
 2012-05-30 20:36:42 +00:00
DRC
e93d94b9ad Guard against num_components being a ridiculous value due to a corrupt header 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@830 632fc199-4ca6-4c93-a231-07263d6284db
 2012-05-30 20:34:42 +00:00
DRC
4f24016bde Preserve all 128 bits of xmm6 and xmm7 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@829 632fc199-4ca6-4c93-a231-07263d6284db
 2012-04-26 19:50:37 +00:00
DRC
4ef9c9549b Preserve all 128 bits of xmm6 and xmm7 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@828 632fc199-4ca6-4c93-a231-07263d6284db
 2012-04-26 19:48:33 +00:00
DRC
ea3396a945 Fix memory leak in the colorspace emulation code 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@827 632fc199-4ca6-4c93-a231-07263d6284db
 2012-04-26 03:18:49 +00:00
DRC
9ba64bbbcf Provide the legacy unversioned libturbojpeg.so resource so that RPMs that dependended on older libjpeg-turbo distributions will still work. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@826 632fc199-4ca6-4c93-a231-07263d6284db
 2012-03-29 21:29:36 +00:00
DRC
afc06929e0 Emulate colorspace extensions if they are not present in the libjpeg API. This allows the TurboJPEG wrapper to be used with libjpeg rather than libjpeg-turbo. Not useful within the context of our project, but other projects prefer to include the TurboJPEG wrapper in-tree, and this allows them to be linked against either libjpeg-turbo or libjpeg. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@825 632fc199-4ca6-4c93-a231-07263d6284db
 2012-03-23 19:47:57 +00:00
DRC
6dd6b3a74c Get rid of the Solaris packaging system. Solaris packages are obsolete, only a handful of people were downloading those binaries, and maintaining the system was proving to be a pain. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@824 632fc199-4ca6-4c93-a231-07263d6284db
 2012-03-23 19:44:54 +00:00
DRC
d4c15e103c Whitespace tweak 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@823 632fc199-4ca6-4c93-a231-07263d6284db
 2012-03-23 19:39:14 +00:00
DRC
8ad24924ea Ensure that tjDecompress2() exits cleanly if setDecompDefaults() fails 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@822 632fc199-4ca6-4c93-a231-07263d6284db
 2012-03-23 19:37:40 +00:00
DRC
2eda8212e4 Ensure that tjDecompress2() exits cleanly if setDecompDefaults() fails 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@821 632fc199-4ca6-4c93-a231-07263d6284db
 2012-03-23 19:32:38 +00:00
DRC
fd407776ba Add a dummy version number to the TurboJPEG dynamic library on Unix systems so Linux distro maintainers will not reject it out of hand. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@820 632fc199-4ca6-4c93-a231-07263d6284db
 2012-03-23 03:24:39 +00:00
DRC
f52682e277 Get rid of the Solaris packaging system. Solaris packages are obsolete, only a handful of people were downloading those binaries, and maintaining the system was proving to be a pain. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@819 632fc199-4ca6-4c93-a231-07263d6284db
 2012-03-23 03:17:41 +00:00
DRC
0559e94c72 "Sun Studio"="Oracle Solaris Studio" 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@818 632fc199-4ca6-4c93-a231-07263d6284db
 2012-03-23 03:12:35 +00:00
DRC
21cc62bccb "Sun Studio"="Oracle Solaris Studio" 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@817 632fc199-4ca6-4c93-a231-07263d6284db
 2012-03-23 03:11:12 +00:00
DRC
7c6ae034da Fix universal DMG build 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@816 632fc199-4ca6-4c93-a231-07263d6284db
 2012-03-23 00:51:56 +00:00
DRC
c2f89f131d Fix universal DMG build 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@815 632fc199-4ca6-4c93-a231-07263d6284db
 2012-03-23 00:50:09 +00:00
DRC
68071bd2e4 1.2.1 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@814 632fc199-4ca6-4c93-a231-07263d6284db
 2012-03-22 22:05:09 +00:00
DRC
8015a30308 Visual Studio 2010 doesn't like the wildcard at compile time, so let CMake expand it instead. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@813 632fc199-4ca6-4c93-a231-07263d6284db
 2012-03-17 14:32:38 +00:00
DRC
6bc5938482 Visual Studio 2010 doesn't like the wildcard, so let CMake expand it instead. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@812 632fc199-4ca6-4c93-a231-07263d6284db
 2012-03-17 14:32:05 +00:00
DRC
cac105133e Fix the behavior of the alpha-enabled colorspace constants whenever libjpeg-turbo is built without SIMD support and merged upsampling is used. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@811 632fc199-4ca6-4c93-a231-07263d6284db
 2012-03-16 14:37:36 +00:00
DRC
ffe4fc182f Fix the behavior of the alpha-enabled colorspace constants whenever libjpeg-turbo is built without SIMD support and merged upsampling is used. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@810 632fc199-4ca6-4c93-a231-07263d6284db
 2012-03-16 14:30:46 +00:00
DRC
a9b646c202 Allow RGB JPEG files to be created/decoded when using the LJT colorspace extensions 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@809 632fc199-4ca6-4c93-a231-07263d6284db
 2012-03-11 22:06:54 +00:00
DRC
0586d41d1b Allow RGB JPEG files to be created/decoded when using the LJT colorspace extensions 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@808 632fc199-4ca6-4c93-a231-07263d6284db
 2012-03-11 22:05:25 +00:00
DRC
09e4575789 Oops 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@806 632fc199-4ca6-4c93-a231-07263d6284db
 2012-02-10 05:31:03 +00:00
DRC
69c1408e9d Oops 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@805 632fc199-4ca6-4c93-a231-07263d6284db
 2012-02-10 03:47:18 +00:00
DRC
9e7eb27686 Move build dir. variables back into makemacpkg to avoid messing up the Solaris packaging system. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@804 632fc199-4ca6-4c93-a231-07263d6284db
 2012-02-10 03:41:20 +00:00
DRC
086c9ab549 Move build dir. variables back into makemacpkg to avoid messing up the Solaris packaging system. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@803 632fc199-4ca6-4c93-a231-07263d6284db
 2012-02-10 03:39:43 +00:00
DRC
0989088530 Don't include documentation in 32-bit supplemental package 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@802 632fc199-4ca6-4c93-a231-07263d6284db
 2012-02-10 03:18:41 +00:00
DRC
51d626ff9d Don't include documentation in 32-bit supplemental package 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@801 632fc199-4ca6-4c93-a231-07263d6284db
 2012-02-10 02:51:40 +00:00
DRC
ed839d5905 Fix 'make dist' 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@800 632fc199-4ca6-4c93-a231-07263d6284db
 2012-02-10 01:55:28 +00:00
DRC
01bf9d9ccd Fix 'make dist' 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@799 632fc199-4ca6-4c93-a231-07263d6284db
 2012-02-10 01:52:31 +00:00
DRC
c052646b34 iOS universal package was promoted to a 1.2 feature 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@798 632fc199-4ca6-4c93-a231-07263d6284db
 2012-02-10 01:44:55 +00:00
DRC
ef49f790bd git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@797 632fc199-4ca6-4c93-a231-07263d6284db 2012-02-10 01:44:23 +00:00
DRC
57bd84f435 RPM spec no longer uses %{_srcdir} 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@796 632fc199-4ca6-4c93-a231-07263d6284db
 2012-02-10 01:40:29 +00:00
DRC
99bebdd0aa RPM spec no longer uses %{_srcdir} 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@795 632fc199-4ca6-4c93-a231-07263d6284db
 2012-02-10 01:39:28 +00:00
DRC
02cd567fb9 Install docs when doing 'make install' on Unix; Fix 'install' target on Windows; Include wizard.txt, example.c, and structure.txt in installed docs 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@794 632fc199-4ca6-4c93-a231-07263d6284db
 2012-02-10 01:37:20 +00:00
DRC
20b734e1c4 Infrastructure for producing a universal x86-64/i386/ARM version of libjpeg.a and libturbojpeg.a on OS X, so that the same library can be used to build OS X and iOS apps 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@793 632fc199-4ca6-4c93-a231-07263d6284db
 2012-02-10 01:30:37 +00:00
DRC
bbaf4c94cd 'make iosdmg' now works with 32-bit builds as well 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@792 632fc199-4ca6-4c93-a231-07263d6284db
 2012-02-10 01:24:26 +00:00
DRC
166c5ec0b9 Clean up the iOS packaging mechanism so that ARM architectures can be added to i386-only builds as well. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@791 632fc199-4ca6-4c93-a231-07263d6284db
 2012-02-10 01:07:59 +00:00
DRC
a1647c8412 Install docs when doing 'make install' on Unix; Fix 'install' target on Windows; Include wizard.txt, example.c, and structure.txt in installed docs 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@790 632fc199-4ca6-4c93-a231-07263d6284db
 2012-02-10 00:39:05 +00:00
DRC
1fbae8467f Infrastructure for producing a universal x86-64/i386/ARM version of libjpeg.a and libturbojpeg.a on OS X, so that the same library can be used to build OS X and iOS apps 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@789 632fc199-4ca6-4c93-a231-07263d6284db
 2012-02-09 09:23:30 +00:00
DRC
f832eae5c2 Merge description from README-turbo.txt into packages 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@788 632fc199-4ca6-4c93-a231-07263d6284db
 2012-02-08 09:56:04 +00:00
DRC
1256fbade9 Merge description from README-turbo.txt into packages 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@787 632fc199-4ca6-4c93-a231-07263d6284db
 2012-02-08 09:18:42 +00:00
DRC
b39dfe7046 Merge description from README-turbo.txt into packages 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@786 632fc199-4ca6-4c93-a231-07263d6284db
 2012-02-08 09:17:42 +00:00
DRC
be6d424626 Compiler warning 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@785 632fc199-4ca6-4c93-a231-07263d6284db
 2012-02-07 23:41:10 +00:00
DRC
0f0fd75125 Compiler warnings 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@784 632fc199-4ca6-4c93-a231-07263d6284db
 2012-02-07 23:27:14 +00:00
DRC
760ea8dfb3 Merge documentation and wordsmithing changes from 1.2, including promotion of -arithmetic to a "switch for advanced users" 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@783 632fc199-4ca6-4c93-a231-07263d6284db
 2012-02-07 23:25:19 +00:00
DRC
44a97e8fe7 Not necessary to save r10 and r11, since these are scratch registers 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@782 632fc199-4ca6-4c93-a231-07263d6284db
 2012-02-07 23:13:24 +00:00
DRC
c3ba39fc3b Merge copyright messages into one string and change the run-time messages to avoid confusion (we are not technically based on the latest libjpeg, although we do borrow some code from it) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@781 632fc199-4ca6-4c93-a231-07263d6284db
 2012-02-07 23:05:46 +00:00
DRC
7ed7b57203 Eliminate "main is usually a function" warnings 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@780 632fc199-4ca6-4c93-a231-07263d6284db
 2012-02-07 22:51:49 +00:00
DRC
3d40ad5f6e git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@779 632fc199-4ca6-4c93-a231-07263d6284db 2012-02-07 20:39:33 +00:00
DRC
00b327b8f8 Wordsmithing and grammar 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@778 632fc199-4ca6-4c93-a231-07263d6284db
 2012-02-07 00:15:42 +00:00
DRC
11a122b2d6 Wordsmithing and grammar 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@777 632fc199-4ca6-4c93-a231-07263d6284db
 2012-02-07 00:14:53 +00:00
DRC
6916f87955 Several clarifications regarding v7/v8 API/ABI support 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@776 632fc199-4ca6-4c93-a231-07263d6284db
 2012-02-03 08:59:21 +00:00
DRC
bdbcd14057 Several clarifications regarding v7/v8 API/ABI support 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@775 632fc199-4ca6-4c93-a231-07263d6284db
 2012-02-03 08:55:36 +00:00
DRC
c8fb758bc2 Fix issue whereby libjpeg-turbo would report "fractional sampling not implemented" when attempting to use decompression scaling with a non-power-of-2 scaling ratio and a JPEG file that was compressed using an odd form of subsampling, such as 3x2. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@774 632fc199-4ca6-4c93-a231-07263d6284db
 2012-02-03 06:55:26 +00:00
DRC
be12e1dec5 Accelerated 4:2:2 upsampling routine for ARM (improves performance ~20-30% when decompressing 4:2:2 JPEGs using fancy upsampling) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@773 632fc199-4ca6-4c93-a231-07263d6284db
 2012-02-02 22:32:45 +00:00
DRC
cf775bf789 Oops. Need to use -nosmooth so that the output matches the reference images generated by jpeg-8 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@772 632fc199-4ca6-4c93-a231-07263d6284db
 2012-02-01 02:49:10 +00:00
DRC
cb6157be7a Add more extensive TurboJPEG regression tests 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@771 632fc199-4ca6-4c93-a231-07263d6284db
 2012-01-31 11:38:13 +00:00
DRC
0af8d67bd5 Add tests for the additional scaling factors 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@770 632fc199-4ca6-4c93-a231-07263d6284db
 2012-01-31 11:09:11 +00:00
DRC
7ccb00701f Fix 'make dist' 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@769 632fc199-4ca6-4c93-a231-07263d6284db
 2012-01-31 10:49:23 +00:00
DRC
4a2cdc26be Merge copyright messages into one string and change the run-time messages to avoid confusion (we are not technically based on the latest libjpeg, although we do borrow some code from it) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@768 632fc199-4ca6-4c93-a231-07263d6284db
 2012-01-31 10:47:02 +00:00
DRC
3a5e362bd3 Combine all of the scaling tests using a for loop 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@767 632fc199-4ca6-4c93-a231-07263d6284db
 2012-01-31 10:43:56 +00:00
DRC
1d5b1cf320 Merge copyright messages into one string and change the run-time messages to avoid confusion (we are not technically based on the latest libjpeg, although we do borrow some code from it) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@766 632fc199-4ca6-4c93-a231-07263d6284db
 2012-01-31 10:39:29 +00:00
DRC
66a69f04c6 Incorporate a few upstream doc changes; grammar police; wordsmithing; Move -arithmetic into "switches for advanced users"; Additional documentation for IDCT scaling extensions 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@765 632fc199-4ca6-4c93-a231-07263d6284db
 2012-01-31 10:19:29 +00:00
DRC
ccd1bfdd31 Incorporate a few upstream doc changes; grammar police; wordsmithing; Move -arithmetic into "switches for advanced users" 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@764 632fc199-4ca6-4c93-a231-07263d6284db
 2012-01-31 09:53:46 +00:00
DRC
866e6ffeca Fix 'make dist' 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@763 632fc199-4ca6-4c93-a231-07263d6284db
 2012-01-31 08:00:50 +00:00
DRC
9cd4e4b026 Add more extensive TurboJPEG regression tests 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@762 632fc199-4ca6-4c93-a231-07263d6284db
 2012-01-31 07:56:44 +00:00
DRC
7ab0364a37 Move test images into their own subdirectory 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@761 632fc199-4ca6-4c93-a231-07263d6284db
 2012-01-31 05:47:07 +00:00
DRC
fb6c27e4e2 Compiler warnings 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@760 632fc199-4ca6-4c93-a231-07263d6284db
 2012-01-31 05:27:41 +00:00
DRC
6ebf110355 Move test images into their own subdirectory 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@759 632fc199-4ca6-4c93-a231-07263d6284db
 2012-01-31 04:58:26 +00:00
DRC
d65d99a9f5 Compiler warnings 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@758 632fc199-4ca6-4c93-a231-07263d6284db
 2012-01-31 03:39:23 +00:00
DRC
ab2df6ea1b Expose new scaling factors in TurboJPEG API 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@757 632fc199-4ca6-4c93-a231-07263d6284db
 2012-01-28 06:49:56 +00:00
DRC
33eca7e4f2 Document the new scaling factors 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@756 632fc199-4ca6-4c93-a231-07263d6284db
 2012-01-28 06:49:22 +00:00
DRC
e006f5c427 Oops. Height of output buffer should equal scaled height, not JPEG height. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@755 632fc199-4ca6-4c93-a231-07263d6284db
 2012-01-28 06:31:44 +00:00
DRC
313a09b4b7 Oops. Height of output buffer should equal scaled height, not JPEG height. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@754 632fc199-4ca6-4c93-a231-07263d6284db
 2012-01-28 06:31:21 +00:00
DRC
27fb3fc589 Support additional scaling factors when decompressing 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@753 632fc199-4ca6-4c93-a231-07263d6284db
 2012-01-28 01:48:07 +00:00
DRC
8660bcba72 Oops. Need to handle cases in which num_components > n 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@752 632fc199-4ca6-4c93-a231-07263d6284db
 2012-01-28 01:19:52 +00:00
DRC
8c8124bf51 Oops. Need to handle cases in which num_components > n 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@751 632fc199-4ca6-4c93-a231-07263d6284db
 2012-01-28 01:19:23 +00:00
DRC
bf0bdac1d3 Bump version to 1.2.80 (1.3 alpha1) to prepare for receiving new features 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@750 632fc199-4ca6-4c93-a231-07263d6284db
 2012-01-27 22:12:49 +00:00
DRC
30913542c0 Be clear that we are only emulating the libjpeg v7/v8 API/ABI, not the library itself. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@749 632fc199-4ca6-4c93-a231-07263d6284db
 2012-01-27 09:53:33 +00:00
DRC
ed5430ce9a Be clear that we are only emulating the libjpeg v7/v8 API/ABI, not the library itself. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@748 632fc199-4ca6-4c93-a231-07263d6284db
 2012-01-27 09:52:20 +00:00
DRC
b6b30676a3 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@746 632fc199-4ca6-4c93-a231-07263d6284db 2012-01-27 09:42:26 +00:00
DRC
d657ba6093 Move -arithmetic into "switches for advanced users" 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@745 632fc199-4ca6-4c93-a231-07263d6284db
 2012-01-27 09:41:20 +00:00
DRC
16c6e26e4b Update upstream e-mail address 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@743 632fc199-4ca6-4c93-a231-07263d6284db
 2012-01-27 09:28:14 +00:00
DRC
a5dcab663a Create 1.2.x branch 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@741 632fc199-4ca6-4c93-a231-07263d6284db
 2012-01-27 05:46:31 +00:00
DRC
12781cb555 Properly decompress erroneous CMYK/YCCK images whose K component has an ID of 1 instead of 4 (this is to support SumatraPDF) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@740 632fc199-4ca6-4c93-a231-07263d6284db
 2012-01-27 01:23:20 +00:00
DRC
a7466c9d86 Move INLINE macro into config.h. That's really where it belongs anyhow, since it is used only internally, and putting it in jconfig.h was causing problems with DevIL. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@739 632fc199-4ca6-4c93-a231-07263d6284db
 2012-01-26 22:20:31 +00:00
DRC
2d4816591f Merge spacing changes from VirtualGL 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@738 632fc199-4ca6-4c93-a231-07263d6284db
 2012-01-17 23:11:06 +00:00
DRC
307156de33 Merge wordsmithing/grammar fixes from trunk 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@737 632fc199-4ca6-4c93-a231-07263d6284db
 2012-01-17 23:09:24 +00:00
DRC
81a50f71a3 Grammar police 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@736 632fc199-4ca6-4c93-a231-07263d6284db
 2012-01-17 22:56:22 +00:00
DRC
2c62da3c6c Subtle point, but TurboJPEG is the API and TurboJPEG/OSS is the library implementing that API. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@735 632fc199-4ca6-4c93-a231-07263d6284db
 2012-01-17 22:55:03 +00:00
DRC
efe28cec4b Compiler warnings 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@734 632fc199-4ca6-4c93-a231-07263d6284db
 2012-01-17 11:48:38 +00:00
DRC
b76c8404e3 Add program that demonstrates how to check for the existence of the colorspace extensions 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@733 632fc199-4ca6-4c93-a231-07263d6284db
 2011-12-19 15:01:55 +00:00
DRC
67ce3b2352 Added new alpha channel colorspace constants/pixel formats, so applications can specify that they need the unused byte in a 4-component RGB output buffer set to 0xFF when decompressing. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@732 632fc199-4ca6-4c93-a231-07263d6284db
 2011-12-19 02:21:03 +00:00
DRC
ab64b62c6b Add LIBJPEG_TURBO_VERSION macro for checking the libjpeg-turbo version at compile time 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@731 632fc199-4ca6-4c93-a231-07263d6284db
 2011-12-18 16:29:35 +00:00
DRC
80803ae5fe "which"="that" 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@730 632fc199-4ca6-4c93-a231-07263d6284db
 2011-12-15 13:12:59 +00:00
DRC
795e6ad334 Fixed non-fatal out-of-bounds read in SSE2 SIMD code reported by valgrind when decompressing a JPEG image to a bitmap buffer whose size was not a multiple of 16 bytes. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@729 632fc199-4ca6-4c93-a231-07263d6284db
 2011-12-01 11:14:18 +00:00
DRC
c412184bd8 Fixed non-fatal out-of-bounds read in SSE2 SIMD code reported by valgrind when decompressing a JPEG image to a bitmap buffer whose size was not a multiple of 16 bytes. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@728 632fc199-4ca6-4c93-a231-07263d6284db
 2011-12-01 11:11:29 +00:00
DRC
ebfe9e4a7b Fixed non-fatal out-of-bounds read in SSE2 SIMD code reported by valgrind when decompressing a JPEG image to a bitmap buffer whose size was not a multiple of 16 bytes. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@727 632fc199-4ca6-4c93-a231-07263d6284db
 2011-12-01 10:58:36 +00:00
DRC
105f9a94ed Expose NASM variable in ccmake 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@726 632fc199-4ca6-4c93-a231-07263d6284db
 2011-11-29 09:02:10 +00:00
DRC
0f905d35c2 Expose NASM variable in ccmake 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@725 632fc199-4ca6-4c93-a231-07263d6284db
 2011-11-29 09:01:23 +00:00
DRC
1ca924a550 NASM automatically adds the current directory to the include path, but YASM doesn't, so we need to explicitly add it. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@724 632fc199-4ca6-4c93-a231-07263d6284db
 2011-11-29 08:58:27 +00:00
DRC
b56ae3d7fa 1.2.0 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@723 632fc199-4ca6-4c93-a231-07263d6284db
 2011-11-29 08:53:32 +00:00
DRC
77fee43a02 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@722 632fc199-4ca6-4c93-a231-07263d6284db 2011-11-01 17:14:22 +00:00
DRC
7bc3fb51e3 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@721 632fc199-4ca6-4c93-a231-07263d6284db 2011-10-28 06:45:53 +00:00
DRC
7080ea3c16 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@720 632fc199-4ca6-4c93-a231-07263d6284db 2011-10-28 06:45:06 +00:00
DRC
3c21b08ef1 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@718 632fc199-4ca6-4c93-a231-07263d6284db 2011-10-28 06:25:13 +00:00
DRC
a006fbab0b Fix 'make dist' 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@717 632fc199-4ca6-4c93-a231-07263d6284db
 2011-10-27 23:25:28 +00:00
DRC
89c59dd669 iOS doesn't allow dynamic linking against non-system libs 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@716 632fc199-4ca6-4c93-a231-07263d6284db
 2011-10-27 20:40:21 +00:00
DRC
94755ceb05 ARM + iOS instructions 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@715 632fc199-4ca6-4c93-a231-07263d6284db
 2011-10-19 05:13:27 +00:00
DRC
8e11a05bd6 Make sure we don't call jpeg_destroy_[de]compress() on an uninitialized struct, as bad mojo can ensue. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@714 632fc199-4ca6-4c93-a231-07263d6284db
 2011-10-18 22:07:13 +00:00
DRC
20c7dbc64f Fix compiler warning 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@713 632fc199-4ca6-4c93-a231-07263d6284db
 2011-10-18 22:06:22 +00:00
DRC
06420c42c4 Oops. Don't try to use custom filter at the C level unless it is defined at the Java level. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@712 632fc199-4ca6-4c93-a231-07263d6284db
 2011-09-26 18:46:09 +00:00
DRC
f69dc28888 Wordsmithing 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@711 632fc199-4ca6-4c93-a231-07263d6284db
 2011-09-20 18:20:43 +00:00
DRC
4ad6003253 Always link tjbench against jpeg-static instead of the JPEG DLL, since we are only using libjpeg for bitmap I/O 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@710 632fc199-4ca6-4c93-a231-07263d6284db
 2011-09-20 05:41:54 +00:00
DRC
6b968b28ae Add TJCustomFilter to Windows build 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@709 632fc199-4ca6-4c93-a231-07263d6284db
 2011-09-20 05:35:31 +00:00
DRC
870fd8f1bb Add a couple of missing pages 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@708 632fc199-4ca6-4c93-a231-07263d6284db
 2011-09-20 05:04:06 +00:00
DRC
f546711076 Implement custom filter callback in Java 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@707 632fc199-4ca6-4c93-a231-07263d6284db
 2011-09-20 05:02:19 +00:00
DRC
835b76fb65 Fix 'make docs' with out-of-tree builds 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@706 632fc199-4ca6-4c93-a231-07263d6284db
 2011-09-19 18:58:21 +00:00
DRC
c6fa5ba028 Fix 'make headers' with out-of-tree builds 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@705 632fc199-4ca6-4c93-a231-07263d6284db
 2011-09-19 18:47:00 +00:00
DRC
57a3736243 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@704 632fc199-4ca6-4c93-a231-07263d6284db 2011-09-17 00:41:14 +00:00
DRC
7bf04d399e Implement a custom DCT filter callback for lossless transforms 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@703 632fc199-4ca6-4c93-a231-07263d6284db
 2011-09-17 00:18:31 +00:00
DRC
9a4570a501 Eliminate "main is usually a function" warnings 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@702 632fc199-4ca6-4c93-a231-07263d6284db
 2011-09-10 17:30:36 +00:00
DRC
3fbf08bb61 Fill unused byte with 0xFF on Windows as well 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@701 632fc199-4ca6-4c93-a231-07263d6284db
 2011-09-09 18:38:20 +00:00
DRC
d89e01f5ce Use 8-bit write to avoid potential pointer aliasing issues (also, at least on x86, it's faster than the previous approach.) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@700 632fc199-4ca6-4c93-a231-07263d6284db
 2011-09-09 18:15:53 +00:00
DRC
c08e8c15bc When decompressing to a 4-byte RGB buffer, set the unused byte to 0xFF so it can be interpreted as an opaque alpha channel. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@699 632fc199-4ca6-4c93-a231-07263d6284db
 2011-09-08 23:54:40 +00:00
DRC
b4570bbf8c Improve performance of non-SIMD color conversion routines and use global constants to define colorspace extension parameters 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@698 632fc199-4ca6-4c93-a231-07263d6284db
 2011-09-07 06:31:00 +00:00
DRC
f12bb305c2 Fix compile error when JCS_EXTENSIONS!=1 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@697 632fc199-4ca6-4c93-a231-07263d6284db
 2011-09-07 05:03:18 +00:00
DRC
22bfd9c40f Use descriptions from libjpeg v8 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@696 632fc199-4ca6-4c93-a231-07263d6284db
 2011-09-07 03:26:06 +00:00
DRC
36edad7a4e Back out CMYK-to-RGB conversions. There is really no way to properly do CMYK-to-RGB conversion without color management, which is out of scope for libjpeg-turbo. Applications wishing to do a trivial conversion, such as was implemented in these routines, can simply request CMYK output and do the trivial conversion themselves (or, even better, use an OSS color management library.) We should not encourage the use of in-library CMYK-to-RGB conversion as a substitute for color management. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@695 632fc199-4ca6-4c93-a231-07263d6284db
 2011-09-07 02:32:02 +00:00
DRC
b071f01cbb Update Nokia contact info 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@694 632fc199-4ca6-4c93-a231-07263d6284db
 2011-09-06 18:58:22 +00:00
DRC
ad6955d46a Improve performance of IFAST iDCT by changing the order of transpose and descale steps 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@693 632fc199-4ca6-4c93-a231-07263d6284db
 2011-09-06 18:57:53 +00:00
DRC
5129e3960f Make ARM ISLOW iDCT faster on typical cases, and eliminate the possibility of 16-bit overflows when handling arbitrary coefficients. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@692 632fc199-4ca6-4c93-a231-07263d6284db
 2011-09-06 18:55:45 +00:00
DRC
98a44fe07b Improve the performance of YCbCr to RGB conversion on ARM 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@691 632fc199-4ca6-4c93-a231-07263d6284db
 2011-08-24 23:27:44 +00:00
DRC
ce4e3e8690 NEON-accelerated slow integer inverse DCT 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@690 632fc199-4ca6-4c93-a231-07263d6284db
 2011-08-22 13:48:01 +00:00
DRC
82bd52196d NEON-accelerated quantization 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@689 632fc199-4ca6-4c93-a231-07263d6284db
 2011-08-17 21:00:59 +00:00
DRC
e5c6eb583f git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@688 632fc199-4ca6-4c93-a231-07263d6284db 2011-08-17 20:59:56 +00:00
DRC
a2fdd0c9ab Use integer arithmetic for CMYK-to-RGB conversions 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@687 632fc199-4ca6-4c93-a231-07263d6284db
 2011-08-16 01:39:05 +00:00
DRC
4b024a62b2 Improve performance of ARM NEON IFAST iDCT 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@686 632fc199-4ca6-4c93-a231-07263d6284db
 2011-08-15 08:36:51 +00:00
DRC
0dc7c82f35 Oops 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@685 632fc199-4ca6-4c93-a231-07263d6284db
 2011-08-12 19:31:09 +00:00
DRC
3d0fe946e5 Add Nokia copyright (for ARM NEON code) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@684 632fc199-4ca6-4c93-a231-07263d6284db
 2011-08-12 19:30:21 +00:00
DRC
8a367177fa git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@683 632fc199-4ca6-4c93-a231-07263d6284db 2011-08-12 19:28:28 +00:00
DRC
7a9376c114 ARM NEON-accelerated RGB-to-YCbCr conversion 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@682 632fc199-4ca6-4c93-a231-07263d6284db
 2011-08-12 19:27:20 +00:00
DRC
2a47df6627 Oops 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@681 632fc199-4ca6-4c93-a231-07263d6284db
 2011-08-11 02:17:17 +00:00
DRC
51cf51a41c CMYK/YCCK support 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@680 632fc199-4ca6-4c93-a231-07263d6284db
 2011-08-11 02:16:44 +00:00
DRC
0f65030297 Support for accelerated forward DCT using ARM NEON instructions 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@679 632fc199-4ca6-4c93-a231-07263d6284db
 2011-08-11 02:15:31 +00:00
DRC
b740054f3c Support for accelerated forward DCT using ARM NEON instructions 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@678 632fc199-4ca6-4c93-a231-07263d6284db
 2011-08-10 23:31:13 +00:00
DRC
9c4590e37b git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@677 632fc199-4ca6-4c93-a231-07263d6284db 2011-07-26 09:22:16 +00:00
DRC
a9b35c965e Don't include JAR file in 32-bit compatibility package 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@676 632fc199-4ca6-4c93-a231-07263d6284db
 2011-07-19 09:52:11 +00:00
DRC
1208d50fa6 Trying to out-clever ourselves by having autotools generate the deb-control file broke the 32-bit supplementary DEB, so revert to the method we used in LJT 1.0 to generate this file. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@675 632fc199-4ca6-4c93-a231-07263d6284db
 2011-07-19 09:29:01 +00:00
DRC
68a086a147 Trying to out-clever ourselves by having autotools generate the deb-control file broke the 32-bit supplementary DEB, so revert to the method we used in LJT 1.0 to generate this file. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@674 632fc199-4ca6-4c93-a231-07263d6284db
 2011-07-19 09:26:23 +00:00
DRC
2091870c9f Oops. Apparently forgot to change the description when borrowing this from VirtualGL 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@673 632fc199-4ca6-4c93-a231-07263d6284db
 2011-07-19 09:15:20 +00:00
DRC
e835ee3340 Windows doesn't have random() 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@672 632fc199-4ca6-4c93-a231-07263d6284db
 2011-07-15 10:06:56 +00:00
DRC
dc2697da3a Windows doesn't have random() 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@671 632fc199-4ca6-4c93-a231-07263d6284db
 2011-07-15 09:55:36 +00:00
DRC
868ca2b377 Use random noise to ensure that the JPEG image generated in the buffer size test exceeds the size of the uncompressed source image. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@670 632fc199-4ca6-4c93-a231-07263d6284db
 2011-07-15 05:29:10 +00:00
DRC
724c56b46a Use random noise to ensure that the JPEG image generated in the buffer size test exceeds the size of the uncompressed source image. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@669 632fc199-4ca6-4c93-a231-07263d6284db
 2011-07-12 06:22:06 +00:00
DRC
9b49f0e4c7 Re-work TJBUFSIZE() to take into account the level of chrominance subsampling 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@668 632fc199-4ca6-4c93-a231-07263d6284db
 2011-07-12 03:17:23 +00:00
DRC
fa9ff8e88c Restore compatibility with the jpeg-6b error enum, even if arithmetic coding is enabled. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@667 632fc199-4ca6-4c93-a231-07263d6284db
 2011-06-21 06:17:10 +00:00
DRC
bd1ef431b3 Restore compatibility with the jpeg-6b error enum, even if arithmetic coding is enabled. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@666 632fc199-4ca6-4c93-a231-07263d6284db
 2011-06-21 06:13:16 +00:00
DRC
ffdb8f22f6 Prevent jmorecfg.h from re-defining INT32 and INT16 if those types have already been defined by the Windows system headers. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@665 632fc199-4ca6-4c93-a231-07263d6284db
 2011-06-21 04:59:41 +00:00
DRC
b7120ca547 Prevent jmorecfg.h from re-defining INT32 and INT16 if those types have already been defined by the Windows system headers. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@664 632fc199-4ca6-4c93-a231-07263d6284db
 2011-06-21 04:57:32 +00:00
DRC
eed08614a6 Prevent jmorecfg.h from re-defining INT32 and INT16 if those types have already been defined by the Windows system headers. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@663 632fc199-4ca6-4c93-a231-07263d6284db
 2011-06-21 04:56:02 +00:00
DRC
8c60d22ff5 NEON-optimized 2x2 and 4x4 scaled iDCTs 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@662 632fc199-4ca6-4c93-a231-07263d6284db
 2011-06-17 21:12:58 +00:00
DRC
c52c55670a git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@661 632fc199-4ca6-4c93-a231-07263d6284db 2011-06-15 02:43:42 +00:00
DRC
e54b755ab8 iOS ARM support 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@660 632fc199-4ca6-4c93-a231-07263d6284db
 2011-06-14 22:17:37 +00:00
DRC
4346f91fcb iOS ARM support 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@659 632fc199-4ca6-4c93-a231-07263d6284db
 2011-06-14 22:16:50 +00:00
DRC
cf137ac46a 1.1.2 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@657 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-31 20:23:07 +00:00
DRC
b8c6ee38b0 Fix a minor ABI incompatibility caused by the introduction of new error constants into the enum in jerror.h. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@656 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-31 20:22:37 +00:00
DRC
0571e17c55 Fix a minor ABI incompatibility caused by the introduction of new error constants into the enum in jerror.h. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@655 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-31 20:17:16 +00:00
DRC
215aa8b78b Re-factor checkBufYUV() function to more closely resemble re-factored checkBuf() function 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@654 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-27 02:10:42 +00:00
DRC
ac906c5308 Change the name of the pre-computed bits table to match its actual function 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@653 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-26 11:28:22 +00:00
DRC
418dbdff66 turbojpegl.c=turbojpeg.c 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@652 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-26 10:45:06 +00:00
DRC
bd86b76e94 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@651 632fc199-4ca6-4c93-a231-07263d6284db 2011-05-25 06:09:09 +00:00
DRC
7e3fd2faf5 jpegtran on Windows needs the same fix as cjpeg and djpeg to eliminate errors when I/O redirection is used. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@650 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-25 06:04:43 +00:00
DRC
e9f9ec4a4e jpegtran on Windows needs the same fix as cjpeg and djpeg to eliminate errors when I/O redirection is used. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@649 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-25 06:02:50 +00:00
DRC
4db92add1b Need to set TJFLAG_NOREALLOC for tjTransform() 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@648 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-25 04:52:25 +00:00
DRC
94f0e03f90 Oops. Add the already-advertised -bmp option 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@647 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-25 04:35:53 +00:00
DRC
296c71ba0f MinGW seems to barf unless jinclude.h is included before jpeglib.h 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@646 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-25 04:12:52 +00:00
DRC
312cd79456 "jpegut"="tjunittest" & "jpgtest"="tjbench" 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@645 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-25 04:12:22 +00:00
DRC
b8b359ae97 "jpegut"="tjunittest" & "jpgtest"="tjbench" 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@644 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-25 03:54:56 +00:00
DRC
3185cb94f1 "jpegut"="tjunittest" & "jpgtest"="tjbench" 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@643 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-25 03:52:22 +00:00
DRC
7f73d9b6ad Fix OS X uninstaller 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@642 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-25 03:51:29 +00:00
DRC
565a5bd5f5 Add dynamic allocation test; Fix compression ratio output in quiet mode; Fix memory leak 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@641 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-25 02:58:21 +00:00
DRC
9a746ad485 Remove wxWindows license files from packages 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@640 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-24 17:33:06 +00:00
DRC
44eb47ef2b Fix 'make dist' 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@639 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-24 17:18:11 +00:00
DRC
9f5320fd6f Fix 'make dist' 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@638 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-24 17:14:43 +00:00
DRC
18821f89a7 Fix 'make dist' 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@637 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-24 17:07:51 +00:00
DRC
4348464a2f Fix build on Windows 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@636 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-24 17:03:51 +00:00
DRC
d441107013 Added "See also" for tjAlloc() and tjFree() 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@635 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-24 17:00:15 +00:00
DRC
6b76f75d2c Add new API functions, tjAlloc() and tjFree(), which allow memory to be allocated and freed using a method of the library's choosing. At the moment, the primary purpose for this is to avoid allocating/freeing memory across the DLL boundary on Windows. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@634 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-24 16:52:47 +00:00
DRC
90215cca0c Fix memory leak in new TurboJPEG auto-reallocation mode 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@633 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-24 15:15:15 +00:00
DRC
67d1fc1f7c Remove any references to the wxWindows Library License and VirtualGL copyrights 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@632 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-24 14:13:01 +00:00
DRC
b5624ee8b6 Remove any references to the wxWindows Library License and VirtualGL copyrights 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@631 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-24 14:12:07 +00:00
DRC
81f5f7c110 Refactor uninstall script. No legacy code remains, so relicense under BSD-style license. Remove uninstall app from package for now, until we can come up with a new version that doesn't have any legacy code. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@630 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-24 13:59:14 +00:00
DRC
be49b8c0cf Refactored to use new TurboJPEG API and new BMP library + additional cleanup. There is no legacy code remaining, so the refactored version of the program has been re-licensed under a BSD-style license. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@629 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-24 13:41:27 +00:00
DRC
cb6205a774 Add new API functions to JNI mapfile as well 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@628 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-24 13:37:37 +00:00
DRC
61d06e7133 Need stdlib.h to get NULL on Linux 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@627 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-24 13:37:01 +00:00
DRC
ff78e37595 Don't require buffer size to be preset if using TJFLAG_NOREALLOC 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@626 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-24 10:17:32 +00:00
DRC
a29294a946 Use tjutil instead of rrutil 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@625 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-24 09:17:57 +00:00
DRC
20c404d3b3 Add max, min functions 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@624 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-24 09:17:43 +00:00
DRC
3a1bb35117 Prevent header from being included multiple times 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@623 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-24 09:15:44 +00:00
DRC
0fc884a811 Completely refactor BMP library so that it takes advantage of the existing BMP and PPM load/save routines in libjpeg 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@622 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-24 09:13:17 +00:00
DRC
9792ce8947 Simplify initialization code (we don't have to explicitly initialize a component to 0, because the whole buffer has already been initialized to 0) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@621 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-23 05:50:07 +00:00
DRC
f962fbb44a Refactor slightly to match new C code 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@620 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-23 05:49:08 +00:00
DRC
007a42cda4 Clean up error messages; Fix lossless transformation; General cleanup 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@619 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-22 13:55:56 +00:00
DRC
a8b8b472b9 Refactored jpegut to test the new TurboJPEG API. There is no legacy code remaining, so the refactored version of the program has been re-licensed under a BSD-style license. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@618 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-22 13:55:17 +00:00
DRC
25b995ad4d Clean up constants so that flags, pixel formats, etc. are clearly differentiated; Update documentation accordingly; Name the enums to make it easier to reference them in the docs and clean up the references accordingly; Set Doxygen option to force a detailed description for the constants to always be generated 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@617 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-21 15:34:54 +00:00
DRC
9b28defe6a Completely refactored the TurboJPEG C API so that it uses pixel formats instead of the clunky pixel size + flags combination to define the pixel size and component order. tjCompress2() and tjTransform() can also now grow the JPEG buffer as needed, which can allow programs to save memory by not pre-allocating the "worst-case" buffer size calculated by TJBUFSIZE(). Converted API documentation to Doxygen. There is no legacy code remaining, so the refactored version of the library has been re-licensed under a BSD-style license. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@616 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-21 14:37:15 +00:00
DRC
f89dd1ec1a Remove duplicate entries 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@615 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-21 14:23:30 +00:00
DRC
ba29357611 Can't assume that current directory is in PATH 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@614 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-18 03:50:53 +00:00
DRC
2bfdb5d4af git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@613 632fc199-4ca6-4c93-a231-07263d6284db 2011-05-10 22:15:26 +00:00
DRC
2c289bfa9b git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@612 632fc199-4ca6-4c93-a231-07263d6284db 2011-05-10 22:15:04 +00:00
DRC
34a8e35a4f git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@611 632fc199-4ca6-4c93-a231-07263d6284db 2011-05-10 22:14:38 +00:00
DRC
e19f15e3f2 Not necessary to save r10 and r11, since these are scratch registers 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@610 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-10 21:44:33 +00:00
DRC
a27962bd9a Can't assume that current directory is in PATH 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@609 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-10 21:09:27 +00:00
DRC
750e078179 Include scaled decompression test images when doing 'make dist' 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@608 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-10 21:05:49 +00:00
DRC
321e068601 ARM NEON support 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@607 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-03 08:47:43 +00:00
DRC
56fb237472 YASM support 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@606 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-03 06:32:41 +00:00
DRC
e8738541c9 Fix I/O redirection in cjpeg and djpeg on Windows 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@605 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-02 00:40:13 +00:00
DRC
fd62eca284 Fix I/O redirection in cjpeg and djpeg on Windows 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@604 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-02 00:37:32 +00:00
DRC
5ee81f43cf Fix I/O redirection in cjpeg and djpeg on Windows 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@603 632fc199-4ca6-4c93-a231-07263d6284db
 2011-05-02 00:35:50 +00:00
DRC
fad469f51e New libjpeg-turbo domain 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@602 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-30 04:43:23 +00:00
DRC
4f81526385 New libjpeg-turbo domain 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@601 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-27 00:33:14 +00:00
DRC
c07f688aa8 New libjpeg-turbo domain 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@600 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-27 00:32:24 +00:00
DRC
ee269920c4 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@599 632fc199-4ca6-4c93-a231-07263d6284db 2011-04-26 23:46:38 +00:00
DRC
65e0cd3278 Update license text to reflect the newly-relicensed jchuff.c 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@598 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-26 23:44:37 +00:00
DRC
6bb57b7219 Re-factor and re-license under the libjpeg BSD-style license. Justification: the accelerated Huffman encoding optimizations in libjpeg-turbo were all developed by me as an independent developer. The structure of the inline Huffman encoding macros was originally borrowed from similar routines in the TurboJPEG/mediaLib codec, which is part of VirtualGL and TurboVNC. Thus, although the code for these macros was not copied verbatim, they were still thought to be a derivative work of TurboJPEG/mediaLib, and I assigned the copyright and license from TurboJPEG/mediaLib to them. I have re-written these routines from first principles by breaking down the libjpeg out-of-line routines. Although the new code bears algorithmic similarities to the TurboJPEG/mediaLib macros, it can now clearly be shown to be derived from the out-of-line routines and thus, in my opinion, it can no longer be considered a derivative of TurboJPEG/mediaLib. -- DRC 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@597 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-26 22:08:31 +00:00
DRC
4852d283d7 Add more comprehensive tests for IDCT scaling 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@596 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-25 23:56:40 +00:00
DRC
83c8f14fa2 Eliminate excessive I/O overhead when reading BMP files in cjpeg 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@595 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-25 22:53:44 +00:00
DRC
f165c2dfc5 Eliminate excessive I/O overhead when reading BMP files in cjpeg 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@594 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-25 22:47:44 +00:00
DRC
d884011c17 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@593 632fc199-4ca6-4c93-a231-07263d6284db 2011-04-25 22:46:25 +00:00
DRC
049aef51d4 Eliminate excessive I/O overhead when reading BMP files in cjpeg 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@592 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-25 22:41:14 +00:00
DRC
1f8b6010ea git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@591 632fc199-4ca6-4c93-a231-07263d6284db 2011-04-18 07:01:46 +00:00
DRC
bc51580f28 Re-factor and re-license under the libjpeg BSD-style license. Justification: the accelerated Huffman decoding optimizations in libjpeg-turbo were all developed by me as an independent developer. The structure of the inline Huffman decoding macros was originally borrowed from similar routines in the TurboJPEG/mediaLib codec, which is part of VirtualGL and TurboVNC. Thus, although the code for these macros was not copied verbatim, they were still thought to be a derivative work of TurboJPEG/mediaLib, and I assigned the copyright and license from TurboJPEG/mediaLib to them. I have re-written these routines from first principles by breaking down the libjpeg out-of-line routines. Although the new code bears algorithmic similarities to the TurboJPEG/mediaLib macros, it can now clearly be shown to be derived from the out-of-line routines and thus, in my opinion, it can no longer be considered a derivative of TurboJPEG/mediaLib. -- DRC 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@590 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-18 06:52:07 +00:00
DRC
c56a74cdac Get rid of unused IS_WIN32 conditional 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@589 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-17 15:36:38 +00:00
DRC
51705fb967 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@588 632fc199-4ca6-4c93-a231-07263d6284db 2011-04-17 15:31:46 +00:00
DRC
8071c391bc git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@587 632fc199-4ca6-4c93-a231-07263d6284db 2011-04-17 15:29:17 +00:00
DRC
e43d21d57f git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@586 632fc199-4ca6-4c93-a231-07263d6284db 2011-04-17 15:28:32 +00:00
DRC
9e6378c448 The previous attempt to handle unexpected markers in the data stream caused breakage in applications that attempted to set bytes_in_buffer to a larger value than the actual size of the JPEG image. The latter behavior was causing the fast decoder to be used for the last MCU in the image under certain circumstances, and this sometimes caused the EOI marker to be encountered by the fast decoder, which was treating it as an "unexpected" marker and throwing an error. Now, the fast decoder simply hands off the decoding of the block to the slow decoder if any marker is encountered. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@585 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-16 18:54:12 +00:00
DRC
051d962318 The previous attempt to handle unexpected markers in the data stream caused breakage in applications that attempted to set bytes_in_buffer to a larger value than the actual size of the JPEG image. The latter behavior was causing the fast decoder to be used for the last MCU in the image under certain circumstances, and this sometimes caused the EOI marker to be encountered by the fast decoder, which was treating it as an "unexpected" marker and throwing an error. Now, the fast decoder simply hands off the decoding of the block to the slow decoder if any marker is encountered. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@584 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-16 18:53:26 +00:00
DRC
62de12281a This is subtle, but an unread marker is not an error unless we run out of bits, which may not occur in the same MCU in which the unread marker is encountered. Thus, don't try to use the fast decoder as long as there is an outstanding unread marker. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@583 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-16 18:50:42 +00:00
DRC
5c36465fd5 The previous attempt to handle unexpected markers in the data stream caused breakage in applications that attempted to set bytes_in_buffer to a larger value than the actual size of the JPEG image. The latter behavior was causing the fast decoder to be used for the last MCU in the image under certain circumstances, and this sometimes caused the EOI marker to be encountered by the fast decoder, which was treating it as an "unexpected" marker and throwing an error. Now, the fast decoder simply hands off the decoding of the block to the slow decoder if any marker is encountered. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@582 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-16 17:39:58 +00:00
DRC
9026b37c0b "OS/X"="OS X" 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@581 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-16 13:37:22 +00:00
DRC
254937b33b Update build instructions to reflect the fact that 32-bit LJT build doesn't work with NASM 0.99 or 2.00 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@580 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-16 13:35:35 +00:00
DRC
59f954b323 Update build instructions to reflect the fact that 32-bit LJT build doesn't work with NASM 0.99 or 2.00 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@579 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-16 13:29:54 +00:00
DRC
58454c74cc Update build instructions to reflect the fact that 32-bit LJT build doesn't work with NASM 0.99 or 2.00 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@578 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-16 13:26:36 +00:00
DRC
ddcd5a1979 Use option() to handle configuration variables, so they will show up in the CMake GUI 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@577 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-15 00:24:02 +00:00
DRC
98b8529d1f Use option() to handle configuration variables, so they will show up in the CMake GUI 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@576 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-15 00:20:15 +00:00
DRC
dc6f6a9c4e Don't need MSVC definition in assembler code anymore 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@575 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-07 05:27:29 +00:00
DRC
577ae78c30 Don't need MSVC definition in assembler code anymore 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@574 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-07 05:26:52 +00:00
DRC
926e01ffe1 Attempt to make build work with Visual Studio 2010 (still doesn't work if SIMD or Java are enabled-- see bug tracker) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@573 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-06 06:35:38 +00:00
DRC
d9ee65c24a git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@572 632fc199-4ca6-4c93-a231-07263d6284db 2011-04-05 07:01:26 +00:00
DRC
2a33dfcaab git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@571 632fc199-4ca6-4c93-a231-07263d6284db 2011-04-05 06:51:59 +00:00
DRC
b05ebcbcc4 Attempt to make build work with Visual Studio 2010 (still doesn't work if SIMD or Java are enabled-- see bug tracker) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@570 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-04 21:00:53 +00:00
DRC
2ffcb8eaf7 Comment code 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@569 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-04 04:56:24 +00:00
DRC
e7fde87ca5 Fix jpegoptim with v7 emulation as well 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@568 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-03 07:09:49 +00:00
DRC
7394e27b16 Fix jpegoptim with v7 emulation as well 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@567 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-03 07:08:18 +00:00
DRC
db42506734 Allow customization of Java compiler flags 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@566 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-03 06:10:18 +00:00
DRC
59a58343ea Ensure that image_width and image_height are initialized if libjpeg v8 emulation is enabled. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@565 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-02 05:40:16 +00:00
DRC
df48945d2d Ensure that image_width and image_height are initialized if libjpeg v8 emulation is enabled. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@564 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-02 05:37:49 +00:00
DRC
279bd348ce Change build instructions and README to reflect the fact that the Java front-end classes are now part of the build and distribution 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@563 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-02 05:17:12 +00:00
DRC
a0f878a07b Add testclean target for cleaning up test images 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@562 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-02 04:43:14 +00:00
DRC
b0428a73c0 Fix compiler warning 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@561 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-02 04:19:21 +00:00
DRC
848f225e2f Oops. Constructor should actually do something. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@560 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-02 03:43:12 +00:00
DRC
62c6f9811b Distribute TJLoader.java.in 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@559 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-02 02:33:29 +00:00
DRC
58b6ec4580 Ensure that *gra*.asm is rebuilt whenever *gry*.asm changes. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@558 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-02 02:14:13 +00:00
DRC
b2f9415a63 Slight refactor to put ScalingFactor into its own class (mainly because the $ in the class name was wreaking havoc on the build scripts, but also to add a few convenience methods to it) and to create a separate loader class so we can provide a .jar file with the MinGW distribution that loads the correct DLL 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@557 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-02 02:09:03 +00:00
DRC
86e51f2268 Fix compiler warning with OpenJDK 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@556 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-01 20:31:03 +00:00
DRC
9db6bebe23 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@555 632fc199-4ca6-4c93-a231-07263d6284db 2011-04-01 11:26:10 +00:00
DRC
9e50fa7fbe Fixed a regression bug in the NSIS script that caused the Windows installer 
build to fail when using the Visual Studio IDE.


git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@554 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-01 11:24:31 +00:00
DRC
957d623461 Include TurboJPEG/OSS Java wrapper JAR in Windows distribution packages 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@553 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-01 11:13:11 +00:00
DRC
01fa031b85 Fix regression bug that caused the "Installer" targets to fail when building from the MSVC IDE 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@552 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-01 11:10:46 +00:00
DRC
88f54a4a5d Modify build instructions to reflect the fact that the Java front-end classes are now built along with the JNI wrapper 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@551 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-01 01:21:22 +00:00
DRC
dffd53da5d Fix 'make dist' so that it includes only what we need from java/ (it was errantly including java/Makefile) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@550 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-01 00:37:20 +00:00
DRC
f2602ce567 Build and package TurboJPEG/OSS Java wrapper into JAR file 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@549 632fc199-4ca6-4c93-a231-07263d6284db
 2011-04-01 00:20:33 +00:00
DRC
b6ed7d347a Use a different naming convention, to avoid conflict with jpegut 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@548 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-31 20:58:03 +00:00
DRC
04def09ea9 Use the same naming convention for the output files as the Java tests 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@547 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-31 20:48:30 +00:00
DRC
4f8c29572e Clean up compiler warnings 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@546 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-31 10:06:17 +00:00
DRC
ba6f457099 make testclean should clean up .yuv and 4:4:0 files as well 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@545 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-31 09:41:53 +00:00
DRC
e44f8c0112 make testclean should clean up .yuv files as well 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@544 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-31 09:19:53 +00:00
DRC
e08c05f6e8 "JAVA_CFLAGS"="JNI_CFLAGS" 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@543 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-31 08:03:26 +00:00
DRC
1e14b47c22 Get rid of unused IS_WIN32 conditional 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@542 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-31 04:15:50 +00:00
DRC
bb83575b75 Get rid of unused IS_WIN32 conditional 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@541 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-31 04:14:55 +00:00
DRC
b97bafdfd7 Create local round up function for jmemmgr.c so we can revert the original argument types of jround_up() without breaking the build on 64-bit Windows. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@540 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-29 05:01:23 +00:00
DRC
a8eabfebd1 Create local round up function for jmemmgr.c so we can revert the original argument types of jround_up() without breaking the build on 64-bit Windows. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@539 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-29 04:58:40 +00:00
DRC
1da7858d24 MinGW64 no longer prefixes symbols with underscores by default 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@538 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-22 09:34:01 +00:00
DRC
b94f2de41d Clean up packaging system 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@537 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-22 09:31:25 +00:00
DRC
cd2e6946bb MinGW64 no longer prefixes symbols with underscores by default 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@536 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-22 09:19:29 +00:00
DRC
1c87e45cff We want to keep the same name for the install directory, even though the installer name has changed 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@535 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-22 06:49:31 +00:00
DRC
539b288780 Typo 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@534 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-22 06:28:04 +00:00
DRC
47aaf6fa15 MinGW64 no longer prefixes symbols with underscores by default 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@533 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-22 05:40:39 +00:00
DRC
328c4388b7 Oops. Forgot to generate makecygwinpkg 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@532 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-22 05:04:30 +00:00
DRC
e6f597f28f Don't use architecture extension in package name, since we're building a combined package 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@531 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-22 03:19:11 +00:00
DRC
bfa34cf143 "release/"="pkgscripts/" 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@530 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-22 01:38:04 +00:00
DRC
5e091d4d1f Need to put the generated packaging scripts in a directory other than release/ so they won't get distributed 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@529 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-22 01:21:42 +00:00
DRC
95db4f48a5 Clean up packaging system 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@528 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-22 00:20:43 +00:00
DRC
1a79ede633 1.1.1 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@527 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-21 22:42:31 +00:00
DRC
a6471c34ed git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@526 632fc199-4ca6-4c93-a231-07263d6284db 2011-03-18 05:59:21 +00:00
DRC
f5c3bb38bc git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@525 632fc199-4ca6-4c93-a231-07263d6284db 2011-03-18 05:59:07 +00:00
DRC
fe6a2ee5a1 Throw a warning if an unexpected marker is found in the middle of the JPEG data stream 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@524 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-18 05:49:26 +00:00
DRC
ebf239d056 Throw a warning if an unexpected marker is found in the middle of the JPEG data stream 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@523 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-18 05:44:55 +00:00
DRC
60de06ef7a Throw a warning if an unexpected marker is found in the middle of the JPEG data stream 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@522 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-18 05:44:27 +00:00
DRC
df1c38df74 Throw a warning if an unexpected marker is found in the middle of the JPEG data stream 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@521 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-18 05:40:33 +00:00
DRC
1f014c32e6 Fix compression from/decompression to TYPE_INT_{RGB|BGR} BufferedImages on big endian platforms 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@520 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-17 07:39:25 +00:00
DRC
2c74e5124d More Java API cleanup 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@519 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-16 00:02:53 +00:00
DRC
92549de2c2 Java code cleanup + Java docs 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@518 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-15 20:52:02 +00:00
DRC
d932e58217 tjTransform() was not working properly if r.w=0 or r.h=0 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@517 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-15 20:09:47 +00:00
DRC
16958e823e Wordsmithing 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@516 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-15 19:33:43 +00:00
DRC
7c99822efb Add notes about performance 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@515 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-10 07:25:41 +00:00
DRC
16c7077887 Add an option to display the output image 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@514 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-07 09:59:08 +00:00
DRC
1da67e18a3 If a scaled-down JPEG output image is requested, we must decompress and recompress the transformed image. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@513 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-07 08:21:11 +00:00
DRC
23da0c0e41 On Windows, long is 32-bit, so use jlong instead 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@512 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-04 15:28:16 +00:00
DRC
e217b7ea54 We actually don't need windows.h at all, and it makes both MinGW and VC++ unhappy because of conflicting macros (such as INT32 in jmorecfg.h) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@511 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-04 14:57:14 +00:00
DRC
2930fa8e9c MinGW already has snprintf(), so don't use our macro substitute there 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@510 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-04 14:37:00 +00:00
DRC
6bd084afd2 Oops. Forgot to add TJTransform class 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@509 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-04 14:10:29 +00:00
DRC
e856eb0f8f Include new grayscale SIMD routines in dist 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@508 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-04 14:05:23 +00:00
DRC
15866ac1da git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@507 632fc199-4ca6-4c93-a231-07263d6284db 2011-03-04 13:46:55 +00:00
DRC
31334415ae Add access methods for getting at the JPEG buffer 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@506 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-04 13:41:05 +00:00
DRC
7d4b001665 If transforming and outputting a JPEG file, output the transformed file directly instead of decompressing/recompressing it 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@505 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-04 13:40:42 +00:00
DRC
bb0e0b57dd Add TJTransformer JNI functions to mapfile 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@504 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-04 13:39:46 +00:00
DRC
d0a813632b Handle 4:4:0 (transposed 4:2:2 subsampling) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@503 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-04 13:04:24 +00:00
DRC
a3f68b4d2a Handle 4:4:0 (transposed 4:2:2 subsampling) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@502 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-04 12:52:45 +00:00
DRC
e85730157e Implement lossless cropping interface in Java 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@501 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-04 10:13:59 +00:00
DRC
46531c3265 Don't need PAD() anymore 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@500 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-04 10:01:22 +00:00
DRC
2e2358eae4 Print stack trace on error 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@499 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-04 09:54:59 +00:00
DRC
ad05754a87 Methods of a final class are automatically final 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@498 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-04 09:15:07 +00:00
DRC
d8ebb6b654 Modify filename of decompressed output files to indicate that scaling was used 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@497 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-04 04:14:47 +00:00
DRC
ddd728c6bd If losslessly transforming to grayscale, compute trimmed dimensions based on grayscale MCU size, not MCU size of source image 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@496 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-04 03:38:47 +00:00
DRC
ba5ea5143e Tile generation did not work with TJXFORM_HFLIP, because the underlying transform code was using an in-place algorithm, which modified the source coefficients after the first tile was generated. Thus, create a new option which allows TurboJPEG to turn off the in-place horizontal flip if there are multiple transforms being performed from the same set of coefficients. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@495 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-04 03:20:34 +00:00
DRC
f2cef492b1 Transform tests; Variable benchmark time; General cleanup 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@494 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-04 02:25:00 +00:00
DRC
6a833a8ee0 Add an option to force grayscale->RGB conversion (needed for jpgtest regression test) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@493 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-03 16:58:47 +00:00
DRC
3c2d7f21a4 Move per-format flag assignments to the actual TurboJPEG function calls 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@492 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-02 10:30:29 +00:00
DRC
9977e28a09 Make the C version work more like the Java version 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@491 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-02 10:13:55 +00:00
DRC
45358dd140 Generate separate JPEG images for the YUV decode tests 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@490 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-02 09:30:57 +00:00
DRC
0a07969273 Oops. Left out the all-important transform structures 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@489 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-02 09:27:49 +00:00
DRC
0a325197de Since lossless transforms have such a high fixed performance cost, implement a mechanism for performing more than one at a time on the same source image. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@488 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-02 09:22:41 +00:00
DRC
a81d3101da Wordsmithing and general cleanup 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@487 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-02 09:05:09 +00:00
DRC
da5220acdd Fix Windows build; Add grayscale tests to Windows build; Add proper implementation of snprintf on Windows and use snprintf() in TurboJPEG library and tests instead of sprintf() 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@486 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-02 02:17:30 +00:00
DRC
e6ab539b1d Fix compiler warnings in Visual C++ 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@485 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-02 01:30:38 +00:00
DRC
43a29d2c17 Fix compiler warnings in Visual C++ 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@484 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-02 01:27:26 +00:00
DRC
6acf52b5f9 Perform size checks on arrays 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@483 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-02 01:09:20 +00:00
DRC
5528b55834 Use new scaling API 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@482 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-01 20:43:47 +00:00
DRC
0f1f60d080 Make error handling more consistent with other TurboJPEG C code 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@481 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-01 20:23:12 +00:00
DRC
b15b7df690 Use "bailout" label to be more consistent with other TurboJPEG C code 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@480 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-01 20:17:12 +00:00
DRC
f7f3ea404c Use consistent formatting conventions 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@479 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-01 20:03:32 +00:00
DRC
20ec358b3c Add getScalingFactors() method to libturbojpeg version script 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@478 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-01 10:20:23 +00:00
DRC
109a578e89 tjGetScaledSize() would never be able to accommodate scaling factors > 1, so replace it with a function that returns a list of fractional scaling factors that TurboJPEG supports. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@477 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-01 09:53:07 +00:00
DRC
7166bb7b3a Don't call jpeg_finish_compress() with YUV output, because it tries to insert an EOI marker right in the middle of our image data. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@476 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-01 08:23:53 +00:00
DRC
6ee5459459 Don't call jpeg_finish_compress() with YUV output, because it tries to insert an EOI marker right in the middle of our image data. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@475 632fc199-4ca6-4c93-a231-07263d6284db
 2011-03-01 08:18:30 +00:00
DRC
438affe886 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@474 632fc199-4ca6-4c93-a231-07263d6284db 2011-02-28 22:23:37 +00:00
DRC
1a3dbe6fba Unused variables 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@473 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-28 10:51:55 +00:00
DRC
23f2bbaeda Improve performance a bit for the non-SIMD case 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@472 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-27 10:51:20 +00:00
DRC
5a9d6c3722 Improve performance a bit for the non-SIMD case 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@471 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-27 10:26:08 +00:00
DRC
66df5eca03 Oops. cconvert is still needed for 12-bit samples 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@470 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-27 09:48:48 +00:00
DRC
ddb158c5c1 Add short names for RGB->grayscale MMX functions 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@468 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-27 09:09:54 +00:00
DRC
07122dd2fe Change filename in header 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@467 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-27 07:59:38 +00:00
DRC
0244061515 Make Visual C++ happy 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@466 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-27 00:08:06 +00:00
DRC
da58a91d1e Make Visual C++ happy 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@465 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-27 00:07:51 +00:00
DRC
890f1e0413 Expose libjpeg lossless transform feature in TurboJPEG/OSS 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@464 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-26 22:02:37 +00:00
DRC
17ac3720f1 Fix compiler warnings 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@463 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-26 21:20:46 +00:00
DRC
5d1e034a12 Enable full GCC compiler warnings by default 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@462 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-26 21:12:36 +00:00
DRC
0769f505bf Fix compiler warnings 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@461 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-26 21:08:39 +00:00
DRC
b4a50ceefb Enable full GCC compiler warnings by default 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@460 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-26 21:07:50 +00:00
DRC
992611b689 "tjScaledSize"="tjGetScaledSize" (again) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@459 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-26 20:15:27 +00:00
DRC
98a7bdec4e Remove entry for tjScaledSize() 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@458 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-26 20:04:23 +00:00
DRC
89d11649a1 Include tjGetScaledSize() in version scripts 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@457 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-26 19:59:01 +00:00
DRC
1b1e88674a "tjScaledSize"="tjGetScaledSize" 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@456 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-26 19:53:58 +00:00
DRC
361a637174 Fix uninitialized variables 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@455 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-26 19:46:27 +00:00
DRC
88534c50aa Add RGB --> Grayscale YUV decoding test 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@454 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-25 06:21:54 +00:00
DRC
3484e0b160 Add RGB-->Grayscale YUV decode test 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@453 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-25 06:21:15 +00:00
DRC
e4d9b5b76a git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@452 632fc199-4ca6-4c93-a231-07263d6284db 2011-02-25 06:17:17 +00:00
DRC
4f1580cc0e Implement YUV encode/decode methods at the Java level; Remove some of the arguments from the Java API and replace with get/set methods; General API cleanup; Fix BufferedImage grayscale tests in TJUnitTest 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@451 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-25 06:11:03 +00:00
DRC
d5a69afa5a Fix the buffer size regression test so that it generates the intended pixel patterns 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@450 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-25 02:13:07 +00:00
DRC
0a192aca50 Oops. Committed some debugging code 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@449 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-25 02:12:11 +00:00
DRC
8424160345 Replace the TJ_YUV flag with two new API functions 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@448 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-25 02:08:23 +00:00
DRC
0745c0fb6a Correct memory allocation failure messages 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@447 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-25 01:31:13 +00:00
DRC
94476c648b Only access TJBUFSIZEYUV symbol if YUV encoding is enabled, and add 1 to the buffer size; This allows jpgtest to be used to benchmark the old TurboJPEG/IPP libraries. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@446 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-25 01:14:46 +00:00
DRC
0cc1279e03 Use correct size for YUV buffers 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@445 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-25 00:54:29 +00:00
DRC
6a1580f88c Tiling doesn't work with YUV encoding either 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@444 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-25 00:26:07 +00:00
DRC
f8552faa09 Fix various CR/LF issues 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@443 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-25 00:25:31 +00:00
DRC
9fa95594c2 Use a proper version script for libturbojpeg 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@442 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-25 00:23:44 +00:00
DRC
10e3193373 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@441 632fc199-4ca6-4c93-a231-07263d6284db 2011-02-25 00:14:12 +00:00
DRC
eeab6957dd Replace the TJ_YUV flag with two new API functions, and add TJBUFSIZEYUV() from trunk 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@440 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-25 00:02:04 +00:00
DRC
5cb1b68d39 Tiling doesn't work with YUV encoding either 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@439 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-24 22:13:20 +00:00
DRC
0b11d1c815 Fix various CR/LF issues 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@438 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-24 21:43:35 +00:00
DRC
582a46a59e Ensure that libjpeg state is reset if an error occurs 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@437 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-24 21:16:10 +00:00
DRC
6e51e19b1c Use a proper version script for libturbojpeg, since we've added functions to it since 1.0 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@436 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-24 19:36:02 +00:00
DRC
0ad78a688c Add line feed 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@435 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-23 20:57:17 +00:00
DRC
026f7cea77 Numerous enhancements, including using the new BufferedImage support to read/write non-JPEG files 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@434 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-23 20:51:54 +00:00
DRC
b605cac79e Check for invalid subsampling factor 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@433 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-23 20:51:23 +00:00
DRC
84a1bcca6f Support for compressing from/decompressing to a BufferedImage in the Java wrapper 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@432 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-23 12:09:56 +00:00
DRC
3bad53fa04 More JNI cleanup + added unit test and fixed bugs uncovered by it 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@431 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-23 02:20:49 +00:00
DRC
cce6b43463 Oops. dumpbuf() was displaying only red components. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@430 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-23 01:41:26 +00:00
DRC
2ca3eb5660 Oops. dumpbuf() was displaying only red components. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@429 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-23 01:40:44 +00:00
DRC
7ffa0c85de Oops. dumpbuf() was displaying only red components. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@428 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-23 01:40:22 +00:00
DRC
404e82e070 Test all YUV decode paths 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@427 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-22 19:59:54 +00:00
DRC
601a433b1a Test all YUV decode paths 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@426 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-22 19:59:05 +00:00
DRC
e0d4d34f10 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@425 632fc199-4ca6-4c93-a231-07263d6284db 2011-02-22 10:28:18 +00:00
DRC
36336fcddc Streamline Java wrapper 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@424 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-22 10:27:31 +00:00
DRC
4e8ae08b00 Add new functions to anonymous version script 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@423 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-22 06:44:50 +00:00
DRC
b28fc5710a Make the scaling API a bit more friendly 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@422 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-22 06:41:29 +00:00
DRC
45bd1f2bd4 "TurboJPEG/OSS"="TurboJPEG", since the TurboJPEG header is used with other codecs besides libjpeg-turbo 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@421 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-22 00:36:04 +00:00
DRC
7d9d434826 "TurboJPEG/OSS"="TurboJPEG", since the TurboJPEG header is used with other codecs besides libjpeg-turbo 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@420 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-22 00:31:27 +00:00
DRC
f3cf973e8e Add TJBUFSIZEYUV() convenience function 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@419 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-22 00:16:14 +00:00
DRC
035aac43b0 RGBA=RGBX, BGRA=BGRX, ABGR=XBGR, ARGB=XRGB 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@418 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-19 18:10:05 +00:00
DRC
b67c2dce8b Implement "ultra quiet mode" for generating output that is easy to copy/paste into a spreadsheet 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@417 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-19 18:06:09 +00:00
DRC
c4c304950d Wordsmithing 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@416 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-19 17:57:08 +00:00
DRC
9cd2c42e84 Include jpgtest in Unix/Linux distribution packages 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@415 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-19 17:52:45 +00:00
DRC
c62cc7678d Include libjpeg run-time programs and jpgtest in installer; Move documentation in SDK distribution packages into doc\ subdirectory 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@414 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-19 17:50:23 +00:00
DRC
52c479d578 Disable CXX compiler check 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@413 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-19 17:48:26 +00:00
DRC
b4b31403c7 RGBA=RGBX, BGRA=BGRX, ABGR=XBGR, ARGB=XRGB 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@412 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-19 17:31:24 +00:00
DRC
2a28599343 Implement "ultra quiet mode" for generating output that is easy to copy/paste into a spreadsheet 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@411 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-19 17:20:11 +00:00
DRC
3e87c8b0a4 Wordsmithing 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@410 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-19 16:42:14 +00:00
DRC
db8df01c85 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@409 632fc199-4ca6-4c93-a231-07263d6284db 2011-02-19 00:01:11 +00:00
DRC
240d82f8be Include jpgtest in Unix/Linux distribution packages 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@408 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-19 00:00:34 +00:00
DRC
8569c2f5a6 Include libjpeg run-time programs and jpgtest in installer; Move documentation in SDK distribution packages into doc\ subdirectory 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@407 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-18 23:49:42 +00:00
DRC
5d6f858235 Disable CXX compiler check 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@406 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-18 23:08:58 +00:00
DRC
0df25a7340 Wordsmithed the project description 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@405 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-18 22:47:32 +00:00
DRC
2ddcc6334b Distribute high-quality and grayscale test images 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@404 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-18 22:46:05 +00:00
DRC
f3281e8275 Oops. We still had the description left over from VirtualGL 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@403 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-18 22:40:34 +00:00
DRC
0d2d965364 Wordsmithed the project description 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@402 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-18 22:29:45 +00:00
DRC
16e761e59c Include high-quality test image in distribution 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@401 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-18 21:20:50 +00:00
DRC
69e15442f3 1.1.0 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@400 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-18 21:16:56 +00:00
DRC
da509e32c6 New C version of jpgtest needs libm 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@399 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-18 21:16:04 +00:00
DRC
9af407729b The API/ABI should be described as "libjpeg v8", not "libjpeg v8b", since there are multiple libjpeg releases with the same interface 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@398 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-18 20:55:20 +00:00
DRC
4db36eb09e Add high-quality JPEG tests to CMake build system 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@397 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-18 20:52:57 +00:00
DRC
0700eab8a2 Various doc tweaks 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@396 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-18 20:51:10 +00:00
DRC
a49c4e5247 The SIMD quantization algorithm does not produce correct results with the fast forward integer DCT and JPEG qualities >= 98, so for now, use the non-SIMD quantization function under those circumstances. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@395 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-18 20:50:08 +00:00
DRC
392e0483a3 Updated (C) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@394 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-18 20:43:04 +00:00
DRC
c86663335b SIMD-accelerated RGB-to-Grayscale color conversion 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@393 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-18 11:23:45 +00:00
DRC
23ce65d25d Updated (C) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@392 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-18 07:02:32 +00:00
DRC
f38eee0739 The API/ABI should be described as "libjpeg v8", not "libjpeg v8b", since there are multiple libjpeg releases with the same interface 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@391 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-18 07:00:38 +00:00
DRC
d24b276820 Re-order high-quality JPEG test per existing convention 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@390 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-18 05:24:50 +00:00
DRC
94a402305c Also run high-quality JPEG test when code is built without SIMD extensions 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@389 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-18 05:15:59 +00:00
DRC
c4ef01fc66 Add high-quality JPEG tests to CMake 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@388 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-18 05:06:58 +00:00
DRC
ab4db657db Various documentation tweaks 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@387 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-18 04:55:08 +00:00
DRC
856fd82ea3 More doc tweaks 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@386 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-18 04:50:45 +00:00
DRC
39f3aa0871 Various documentation tweaks 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@385 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-18 04:39:36 +00:00
DRC
6514105007 Include high-quality test image in distribution 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@384 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-18 03:55:25 +00:00
DRC
6ca69537f1 The SIMD quantization algorithm does not produce correct results with the fast forward integer DCT and JPEG qualities >= 98, so for now, use the non-SIMD quantization function under those circumstances. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@383 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-18 03:31:11 +00:00
DRC
f0a5ba7542 "integer forward DCT", not "forward integer DCT" 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@382 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-18 03:21:06 +00:00
DRC
e1716b8507 The fast integer DCT degrades for qualities > 95, so use the slow integer DCT instead to ensure that perceptually lossless performance is maintained. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@381 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-18 03:19:43 +00:00
DRC
7c1df0a430 Performance pitfalls 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@380 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-18 02:45:24 +00:00
DRC
bb4465f392 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@379 632fc199-4ca6-4c93-a231-07263d6284db 2011-02-18 02:41:03 +00:00
DRC
72abc29722 The SIMD quantization algorithm does not produce correct results with the fast forward integer DCT and JPEG qualities >= 98, so for now, use the non-SIMD quantization function under those circumstances. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@378 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-18 01:45:24 +00:00
DRC
e2f3718d39 Fix typo that was causing visual artifacts in grayscale JPEGs 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@377 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-17 07:53:46 +00:00
DRC
fc1970acef Fix typo that was causing visual artifacts in grayscale JPEGs 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@376 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-17 07:51:35 +00:00
DRC
e1303ef099 Expose TurboJPEG scaling features in Java wrapper 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@375 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-16 03:26:48 +00:00
DRC
942029fd93 Print scaled image size when performing verbose decompression test 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@374 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-16 02:29:07 +00:00
DRC
4a3322df1e Fix seg fault 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@373 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-16 02:25:40 +00:00
DRC
dae3ee9f67 Test scaled decompression feature in TurboJPEG 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@372 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-16 02:08:17 +00:00
DRC
dbf80031ae Not using Intel codec anymore 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@371 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-16 01:39:29 +00:00
DRC
bc507f672d Use same naming scheme for output files as v1.1 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@370 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-16 01:23:48 +00:00
DRC
72b0f2b68e General code cleanup 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@369 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-15 21:57:50 +00:00
DRC
993bf0e515 General code cleanup 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@368 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-15 21:57:26 +00:00
DRC
8ed7b81403 Added scaling API to TurboJPEG/OSS 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@367 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-15 08:31:34 +00:00
DRC
8254df1a06 Document that pitch=0 == pitch=width*pixelsize 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@366 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-15 07:57:48 +00:00
DRC
e9cf55cc94 Ensure that YUV temp buffers get properly freed if a failure occurs 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@365 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-15 05:26:28 +00:00
DRC
91e86ba6cf Ensure that YUV temp buffers get properly freed if a failure occurs 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@364 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-15 05:24:08 +00:00
DRC
f98553bae1 Ensure that the exit status of the program indicates failure if one of the pixel value checks fails 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@363 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-15 05:19:31 +00:00
DRC
cfef7f1bd8 Ensure that the exit status of the program indicates failure if one of the pixel value checks fails 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@362 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-15 05:17:20 +00:00
DRC
b306607ad6 Ported jpgtest.cxx to pure C to avoid the need for a C++ compiler 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@361 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-15 04:04:02 +00:00
DRC
b8cc52bf1a Ported jpgtest.cxx to pure C to avoid the need for a C++ compiler 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@360 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-15 03:59:11 +00:00
DRC
e27124ab39 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@359 632fc199-4ca6-4c93-a231-07263d6284db 2011-02-08 07:14:33 +00:00
DRC
c5a419970e Restructure Java classes into their own package 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@358 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-08 06:54:36 +00:00
DRC
2413cb8673 Use Java capitalization conventions 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@357 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-08 02:11:37 +00:00
DRC
2e4e0c0779 New C version of jpgtest needs libm 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@356 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-08 02:09:04 +00:00
DRC
2e4d044cab Ported jpgtest.cxx to pure C to avoid the need for a C++ compiler 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@355 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-08 01:18:37 +00:00
DRC
a3c3059fe2 Ported jpgtest.cxx to pure C to avoid the need for a C++ compiler 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@354 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-07 08:06:16 +00:00
DRC
8b38f49a8a git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@353 632fc199-4ca6-4c93-a231-07263d6284db 2011-02-06 18:51:24 +00:00
DRC
389c47248b JNI expects symbols to either have both an underscore and an @ suffix or to have neither, so since MinGW doesn't add an underscore, we need to disable the suffix as well 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@352 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-06 18:48:13 +00:00
DRC
d00dea3052 Update (C) message 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@351 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-06 16:35:58 +00:00
DRC
0caa0b4ebf 1.1.90 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@350 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-06 16:11:41 +00:00
DRC
207a03b377 Add java/ to dist 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@349 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-06 15:58:22 +00:00
DRC
1b0c3b01de Propagate --with-jni down to RPM SPEC 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@348 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-06 15:51:27 +00:00
DRC
1421a264e4 Don't set BUILDJNILIB=1 or default JAVA_CFLAGS unless --with-jni is specified 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@347 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-06 15:35:38 +00:00
DRC
218c0c1db3 Build JNI wrapper on Windows 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@346 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-05 06:01:18 +00:00
DRC
f2214c2e6b git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@345 632fc199-4ca6-4c93-a231-07263d6284db 2011-02-05 05:51:46 +00:00
DRC
ed6526f002 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@344 632fc199-4ca6-4c93-a231-07263d6284db 2011-02-05 05:41:18 +00:00
DRC
25c58709e3 OS X Tiger requires that JNI libraries have the extension .jnilib, so create a sym link to make it happy 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@343 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-05 04:41:36 +00:00
DRC
285bbef159 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@342 632fc199-4ca6-4c93-a231-07263d6284db 2011-02-05 04:17:37 +00:00
DRC
063ab49603 Detect jni.h; Provide mechanism for adding include paths necessary to find it; Set intelligent defaults for Linux/Mac/Solaris 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@341 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-04 22:16:41 +00:00
DRC
9af1aedcdb Eliminate compiler warnings in Sun Studio 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@340 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-04 22:13:14 +00:00
DRC
5ccb982332 JNI interface changed for TJ class, since it only has static methods now 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@339 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-04 11:22:15 +00:00
DRC
de3c86120c 1.1.90 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@338 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-04 11:07:34 +00:00
DRC
f8e0055a6a Add JNI wrapper for TurboJPEG/OSS 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@337 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-04 11:06:36 +00:00
DRC
353477f47a Oops. Committed debugging code 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@336 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-02 06:02:38 +00:00
DRC
af1ca9bcc1 Clarify that the C wrappers and headers fall under the same license as the rest of the SIMD code 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@335 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-02 05:42:37 +00:00
DRC
daae6d966a Clarify that the C wrappers and headers fall under the same license as the rest of the SIMD code 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@334 632fc199-4ca6-4c93-a231-07263d6284db
 2011-02-02 05:41:15 +00:00
DRC
958b2c0c9b git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@330 632fc199-4ca6-4c93-a231-07263d6284db 2011-01-28 08:00:40 +00:00
DRC
4a1c2d9693 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@329 632fc199-4ca6-4c93-a231-07263d6284db 2011-01-28 08:00:10 +00:00
DRC
9dcb1af2f6 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@328 632fc199-4ca6-4c93-a231-07263d6284db 2011-01-28 07:56:21 +00:00
DRC
c4bce4857e git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@327 632fc199-4ca6-4c93-a231-07263d6284db 2011-01-28 07:51:25 +00:00
DRC
b52e7334f6 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@326 632fc199-4ca6-4c93-a231-07263d6284db 2011-01-28 07:48:41 +00:00
DRC
a4efd4eec7 Create 1.1.x branch 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@325 632fc199-4ca6-4c93-a231-07263d6284db
 2011-01-28 06:06:34 +00:00
DRC
fa1d18385d Further protect against invalid Huffman codes 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@324 632fc199-4ca6-4c93-a231-07263d6284db
 2011-01-26 05:35:20 +00:00
DRC
79778f6588 1.0.2 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@323 632fc199-4ca6-4c93-a231-07263d6284db
 2011-01-26 05:34:01 +00:00
DRC
a432ff43a2 Create 1.0.x branch 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@322 632fc199-4ca6-4c93-a231-07263d6284db
 2011-01-26 05:23:28 +00:00
DRC
2d94e261ec The fast integer DCT degrades for qualities > 95, so use the slow integer DCT instead to ensure that perceptually lossless performance is maintained. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@320 632fc199-4ca6-4c93-a231-07263d6284db
 2011-01-25 06:52:31 +00:00
DRC
01e6909180 Clarifications 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@319 632fc199-4ca6-4c93-a231-07263d6284db
 2011-01-06 01:19:43 +00:00
DRC
57423076e6 Eliminate all of the __memalign() mess and just handle the alignment ourselves 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@317 632fc199-4ca6-4c93-a231-07263d6284db
 2011-01-05 23:35:53 +00:00
DRC
2a2e451ddc Ensure temp. buffers for YUV output are 16-byte aligned on 32-bit Windows 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@316 632fc199-4ca6-4c93-a231-07263d6284db
 2011-01-05 22:33:24 +00:00
DRC
990e28dc96 Make arithmetic coding support status messages more clear 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@315 632fc199-4ca6-4c93-a231-07263d6284db
 2011-01-04 21:40:11 +00:00
DRC
49aedf4231 Further protect against invalid Huffman codes 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@314 632fc199-4ca6-4c93-a231-07263d6284db
 2011-01-04 08:09:41 +00:00
DRC
190d5495fe Include new tjDecompressHeader2() function 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@313 632fc199-4ca6-4c93-a231-07263d6284db
 2010-12-14 19:48:38 +00:00
DRC
50c657bc09 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@312 632fc199-4ca6-4c93-a231-07263d6284db 2010-12-14 01:23:16 +00:00
DRC
cad1cfe17c Added YUV decode functionality to the "decompress only" test 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@311 632fc199-4ca6-4c93-a231-07263d6284db
 2010-12-14 01:22:00 +00:00
DRC
1fe80f80f5 Added extended tjDecompressHeader() function which can determine the type of subsampling used in the JPEG image 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@310 632fc199-4ca6-4c93-a231-07263d6284db
 2010-12-14 01:21:29 +00:00
DRC
a6f4fca72c Fix various memory corruption issues in the new JPEG->YUV feature 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@309 632fc199-4ca6-4c93-a231-07263d6284db
 2010-12-11 06:01:11 +00:00
DRC
f9cf5c799d If the output width/height are not an even number of MCU's, then use an intermediate buffer to ensure that the output format is XVideo-compatible 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@308 632fc199-4ca6-4c93-a231-07263d6284db
 2010-12-10 10:58:49 +00:00
DRC
9e17f7d9bc Provide TJ_YUV option for tjDecompress() as well 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@307 632fc199-4ca6-4c93-a231-07263d6284db
 2010-12-10 04:59:13 +00:00
DRC
ac08ef624c Don't require quality argument when encoding to YUV 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@306 632fc199-4ca6-4c93-a231-07263d6284db
 2010-12-09 10:01:57 +00:00
DRC
fbb674707e Merge the TurboJPEG planar YUV encoding feature from VirtualGL 2.2 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@305 632fc199-4ca6-4c93-a231-07263d6284db
 2010-11-24 04:02:37 +00:00
DRC
541e651e4c Hide internal SIMD symbols in libjpeg-turbo shared library 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@304 632fc199-4ca6-4c93-a231-07263d6284db
 2010-11-23 20:42:48 +00:00
DRC
a46830b232 Eliminate spurious global symbols 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@303 632fc199-4ca6-4c93-a231-07263d6284db
 2010-11-23 18:00:46 +00:00
DRC
f0b7fefbf4 Include arithmetic coding test files in dist 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@302 632fc199-4ca6-4c93-a231-07263d6284db
 2010-11-23 17:13:02 +00:00
DRC
245cfdf3d6 Allow arithmetic encoding/decoding to be disabled in CMake build 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@301 632fc199-4ca6-4c93-a231-07263d6284db
 2010-11-23 17:11:06 +00:00
DRC
e372004b4d Added configure options to disable arithmetic encoding/decoding 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@300 632fc199-4ca6-4c93-a231-07263d6284db
 2010-11-23 06:50:14 +00:00
DRC
66f97e6820 Support arithmetic encoding and decoding 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@299 632fc199-4ca6-4c93-a231-07263d6284db
 2010-11-23 05:49:54 +00:00
DRC
58842f9679 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@298 632fc199-4ca6-4c93-a231-07263d6284db 2010-11-23 04:46:59 +00:00
DRC
ec31193812 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@297 632fc199-4ca6-4c93-a231-07263d6284db 2010-11-22 19:51:42 +00:00
DRC
646e5a8a11 RGBA=RGBX, etc. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@296 632fc199-4ca6-4c93-a231-07263d6284db
 2010-11-18 19:55:29 +00:00
DRC
b8841f1ba2 Oops. Still need to explicitly make symlinks in this script, because prefix!=/opt/libjpeg-turbo 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@295 632fc199-4ca6-4c93-a231-07263d6284db
 2010-11-17 23:14:53 +00:00
DRC
d1c281a055 Create /opt/libjpeg-turbo/lib32 and /opt/libjpeg-turbo/lib64 symlinks when doing 'make install' 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@294 632fc199-4ca6-4c93-a231-07263d6284db
 2010-11-17 22:44:40 +00:00
DRC
61c15bdefb Fix invalid use of fpos_t 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@293 632fc199-4ca6-4c93-a231-07263d6284db
 2010-11-13 05:31:25 +00:00
DRC
e89bbaee14 Document jpgtest decompress-only feature 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@292 632fc199-4ca6-4c93-a231-07263d6284db
 2010-11-12 10:18:08 +00:00
DRC
e8ce2e0864 Add option to test decompression only + clean up error handling 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@291 632fc199-4ca6-4c93-a231-07263d6284db
 2010-11-12 10:14:11 +00:00
DRC
7a0478e1e4 Use version script for jpeg-6b emulation as well 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@290 632fc199-4ca6-4c93-a231-07263d6284db
 2010-11-07 19:12:30 +00:00
DRC
7ab9d7cad9 Update header description for grayscale bitmap support 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@289 632fc199-4ca6-4c93-a231-07263d6284db
 2010-11-04 22:42:18 +00:00
DRC
09854f57dc Grayscale bitmap support in TurboJPEG/OSS 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@288 632fc199-4ca6-4c93-a231-07263d6284db
 2010-11-04 22:39:59 +00:00
DRC
98dbe91270 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@287 632fc199-4ca6-4c93-a231-07263d6284db 2010-11-04 22:22:30 +00:00
DRC
0f53df8f71 Allow Mac and Solaris packages to be built with v7/v8b emulated libraries 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@286 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-21 19:47:06 +00:00
DRC
8515d3d58d Emulate the version script in libjpeg v7/v8 shared libraries 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@285 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-19 06:38:57 +00:00
DRC
c0a1cba11b Accommodate spaces in CMAKE_BINARY_DIR 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@284 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-18 09:46:27 +00:00
DRC
efa618ecba git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@283 632fc199-4ca6-4c93-a231-07263d6284db 2010-10-18 08:41:11 +00:00
DRC
3a606240f7 1.0.90 (1.1 beta1) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@282 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-18 08:27:04 +00:00
DRC
9ef93dbbdc Modify OS X universal binary creation process to give the user more control over the 32-bit fork (necessary for building universal binaries with libjpeg v7/v8b emulation, for instance) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@281 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-18 08:24:42 +00:00
DRC
68bf3f2846 MinGW under Cygwin needs CMAKE_SYSTEM_NAME=Windows as well, since technically, we're cross-compiling 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@280 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-18 07:56:14 +00:00
DRC
81543310fd Cygwin is only supported with the autotools build system 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@279 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-18 07:23:58 +00:00
DRC
5559c900c0 Additional information/corrections involving libjpeg v7/v8b emulation 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@278 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-18 02:21:10 +00:00
DRC
b42a48cc44 Use built-in cmake compare_files function rather than GNU cmp (which isn't natively available on Windows) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@277 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-18 01:06:36 +00:00
DRC
1f80a10b4e Allow RPMs and SRPMs to be generated with v7/v8b emulation; Add CMake scripts and other missing files to source distribution 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@276 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-18 00:15:31 +00:00
DRC
e2befdef6a Install headers as well 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@275 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-17 07:28:08 +00:00
DRC
310f606b72 Windows packaging has been moved to the CMake build system, so remove it from autotools 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@274 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-17 06:50:35 +00:00
DRC
26658432fb Document 'make install' 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@273 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-16 22:04:29 +00:00
DRC
7284c9a0cd Allow installation from the build system (without needing to build an installer) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@272 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-16 21:55:14 +00:00
DRC
6f4ba6144a Eliminate redundant dependency statement; Notify user when SIMD is disabled 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@271 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-16 21:27:38 +00:00
DRC
1c73ce8eb5 Additional MinGW recipes 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@270 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-16 21:02:54 +00:00
DRC
b397bfd7db Remove old Windows build system 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@269 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-16 09:23:36 +00:00
DRC
cc2437425b Document new CMake build system 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@268 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-16 09:22:43 +00:00
DRC
b09fde7723 Oops. Forgot to check in header templates 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@267 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-16 08:52:55 +00:00
DRC
2c0a4e1e74 Integrate installer build into CMake build system 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@266 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-16 08:51:43 +00:00
DRC
d830d36074 Fix dependencies for the color conversion routines, which build other .asm files indirectly 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@265 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-15 20:07:41 +00:00
DRC
378da4d61b Print error message if trying to do a native Unix build 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@264 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-15 19:11:11 +00:00
DRC
c869c2c811 Unix LF 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@263 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-15 08:43:32 +00:00
DRC
cd5f2ee23c Allow nasm path to be overridden 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@262 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-15 08:39:44 +00:00
DRC
a9d5b25304 Set version information for DLL's 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@261 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-15 06:42:45 +00:00
DRC
e328bf25f0 Export the correct symbols from the Windows DLL when built with libjpeg v7 or v8b emulation 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@260 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-15 05:33:21 +00:00
DRC
cdd8f123cc Use version suffix on Cygwin DLL as well 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@259 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-15 04:58:13 +00:00
DRC
eb2b9d6b96 Echo version and build 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@258 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-15 04:55:13 +00:00
DRC
846970366b First pass at a CMake build system 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@257 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-15 03:43:24 +00:00
DRC
efa4ddcc88 Space = Tab 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@256 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-13 19:22:50 +00:00
DRC
2edf19d601 Oops. Should be single, not double = sign 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@255 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-13 19:22:20 +00:00
DRC
77e3964ca9 Document the libjpeg v7/v8 extensions 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@254 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-12 03:02:31 +00:00
DRC
766dc5c59d Mention new v7/v8 extensions 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@253 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-12 02:50:18 +00:00
DRC
39ea562c07 Document new v7/v8 features; .doc = .txt 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@252 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-12 01:55:31 +00:00
DRC
ed16ad11ff Enable the use of separate luminance/chrominance quality scaling with libjpeg v6b code base as well 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@251 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-11 23:36:04 +00:00
DRC
12387ebc92 Add sanity check in BMP reader module to avoid cjpeg crash for empty input 
image


git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@250 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-10 07:27:26 +00:00
DRC
294079cbe0 Add option for setting luminance & chrominance quality independently (currently only works if using libjpeg v7 or v8 code base) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@248 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-10 07:21:55 +00:00
DRC
2cdd2ae753 Display libjpeg-turbo version/copyrights in run-time programs 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@247 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-10 06:54:21 +00:00
DRC
517e1c0525 Add -raw option to rdjpgcom for outputting non-printable characters as-is; Make rdjpgcom locale-aware. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@246 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-10 06:04:05 +00:00
DRC
1658c79eba Fix byte order issue with 16bit PPM/PGM files 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@245 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-10 06:01:00 +00:00
DRC
9a648cc90b Fix transpose feature with jpeg v6b code base 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@244 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-10 02:48:21 +00:00
DRC
c04bd3cc97 Implement lossless crop feature from jpeg v7 and v8 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@243 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-10 02:15:56 +00:00
DRC
c54275c6a7 Fix version numbers for v7/v8 shared libs 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@242 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-10 00:40:37 +00:00
DRC
49967cdb30 Improve readability and flexibility of compatibility macros 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@241 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-09 19:57:51 +00:00
DRC
10acd811d0 Remove comments describing DCT scaling feature 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@240 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-09 19:24:28 +00:00
DRC
553d868c25 Oops. Forgot to include the new macro header 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@239 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-09 19:09:41 +00:00
DRC
a5ee9df541 Bump revision to 1.1 alpha 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@238 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-08 08:07:37 +00:00
DRC
eafbe8a056 Bump revision to 1.1 alpha 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@237 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-08 08:07:10 +00:00
DRC
36a6eec932 Added optional emulation of the jpeg-7 or jpeg-8b API/ABI's 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@236 632fc199-4ca6-4c93-a231-07263d6284db
 2010-10-08 08:05:44 +00:00
DRC
e5d7bc9f93 "OS/X" = "OS X" 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@235 632fc199-4ca6-4c93-a231-07263d6284db
 2010-09-30 18:54:31 +00:00
DRC
585a0172e7 Use testimgflt.ppm in Windows tests 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@233 632fc199-4ca6-4c93-a231-07263d6284db
 2010-09-09 22:05:49 +00:00
DRC
5263a8044f Require a full build prior to testing (this fixes a problem whereby running 'make test' on an unbuilt tree would fail) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@232 632fc199-4ca6-4c93-a231-07263d6284db
 2010-09-09 21:02:21 +00:00
DRC
50503c7ac3 Include testimgflt.ppm in distribution 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@231 632fc199-4ca6-4c93-a231-07263d6284db
 2010-09-09 21:00:31 +00:00
DRC
c21e538bfb Most of the "nosimd" test images no longer exist, so don't try to include them in the distribution 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@230 632fc199-4ca6-4c93-a231-07263d6284db
 2010-09-09 20:40:35 +00:00
DRC
babb815cc0 1.0.1 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@229 632fc199-4ca6-4c93-a231-07263d6284db
 2010-09-09 20:34:10 +00:00
DRC
c06073a949 Remove simd/ prefix from #include (not necessary and was causing problems with Visual Studio project) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@228 632fc199-4ca6-4c93-a231-07263d6284db
 2010-09-06 17:37:12 +00:00
DRC
bdb1288e9e Automatically determine whether INCOMPLETE_TYPES_BROKEN should be defined 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@227 632fc199-4ca6-4c93-a231-07263d6284db
 2010-08-21 21:14:17 +00:00
DRC
ae7fe0b9ab Clarify licensing 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@226 632fc199-4ca6-4c93-a231-07263d6284db
 2010-08-11 21:46:46 +00:00
DRC
025a279ce6 Strike that! Reverse it! 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@225 632fc199-4ca6-4c93-a231-07263d6284db
 2010-08-07 16:27:56 +00:00
DRC
3da06c794e No longer need separate test BMP for non-SIMD unit tests 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@224 632fc199-4ca6-4c93-a231-07263d6284db
 2010-08-07 16:14:05 +00:00
DRC
30959719ad Fix typo in SIMD dispatch routines which was causing 4:2:0 upsampling to 
be used instead of 4:2:2 when decompressing JPEG images using SSE2 code


git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@223 632fc199-4ca6-4c93-a231-07263d6284db
 2010-08-07 16:06:56 +00:00
DRC
231a43fc68 Fix build with YASM 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@222 632fc199-4ca6-4c93-a231-07263d6284db
 2010-08-03 18:45:11 +00:00
DRC
0fbb28ec39 Handle erroneous Huffman codes 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@221 632fc199-4ca6-4c93-a231-07263d6284db
 2010-07-30 17:15:52 +00:00
DRC
bab2941338 1.0.1 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@220 632fc199-4ca6-4c93-a231-07263d6284db
 2010-07-30 15:28:22 +00:00
DRC
575c3425ad Document NASM version requirement for 64-bit backward compatible build 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@219 632fc199-4ca6-4c93-a231-07263d6284db
 2010-07-08 07:01:20 +00:00
DRC
f1372d29eb We're no longer using the RM macro in Makefile.am, so it doesn't need to be substituted anymore 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@218 632fc199-4ca6-4c93-a231-07263d6284db
 2010-07-08 05:41:47 +00:00
DRC
0dedd1ae9a 64-bit support doesn't just exist in 10.6. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@216 632fc199-4ca6-4c93-a231-07263d6284db
 2010-07-02 09:20:12 +00:00
DRC
df3337ce8a Log only changes to this source tree, not the external build scripts 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@215 632fc199-4ca6-4c93-a231-07263d6284db
 2010-07-02 09:13:58 +00:00
DRC
38ccf8532d git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@214 632fc199-4ca6-4c93-a231-07263d6284db 2010-06-10 19:49:49 +00:00
DRC
7b99172528 Not all platforms define RM 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@213 632fc199-4ca6-4c93-a231-07263d6284db
 2010-06-10 19:44:56 +00:00
DRC
13b0944e9b Include non-SIMD test images in distribution 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@212 632fc199-4ca6-4c93-a231-07263d6284db
 2010-06-10 18:56:27 +00:00
DRC
83f2144655 Don't require --without-simd to be specified on non-x86 architectures, and fix 'make test' on such architectures 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@211 632fc199-4ca6-4c93-a231-07263d6284db
 2010-06-10 18:52:41 +00:00
DRC
bdf7986e7c 1.0.0 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@210 632fc199-4ca6-4c93-a231-07263d6284db
 2010-06-10 04:12:48 +00:00
DRC
eadc3c0f91 Cygwin distribution package 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@209 632fc199-4ca6-4c93-a231-07263d6284db
 2010-06-09 20:17:09 +00:00
DRC
ae79fdbc2d Cygwin package build 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@208 632fc199-4ca6-4c93-a231-07263d6284db
 2010-06-09 20:16:04 +00:00
DRC
c773d10b65 Added bug tracker ID's 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@207 632fc199-4ca6-4c93-a231-07263d6284db
 2010-06-05 06:58:22 +00:00
DRC
2093c6380d Oops 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@206 632fc199-4ca6-4c93-a231-07263d6284db
 2010-06-05 03:09:17 +00:00
DRC
3d1dd07d54 Ensure that libdir is set properly during build and install so that the run-time library bindings for the binary programs will be correct 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@205 632fc199-4ca6-4c93-a231-07263d6284db
 2010-06-05 03:00:36 +00:00
DRC
995c831c5e Remove bin and man directories when uninstalling package 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@204 632fc199-4ca6-4c93-a231-07263d6284db
 2010-06-05 01:20:35 +00:00
DRC
cbda81a01d Distribute man pages in source tarball 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@203 632fc199-4ca6-4c93-a231-07263d6284db
 2010-06-05 01:12:35 +00:00
DRC
4bf3b585ef git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@202 632fc199-4ca6-4c93-a231-07263d6284db 2010-06-05 01:03:23 +00:00
DRC
e238603c37 Install libjpeg run-time programs and man pages and include in Unix/Linux packages; Create a 32-bit compatibility package for amd64 Debian which has only the 32-bit libraries 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@201 632fc199-4ca6-4c93-a231-07263d6284db
 2010-06-05 01:02:38 +00:00
DRC
45d48291f9 Create sym. link from /opt/libjpeg-turbo/lib/64 to /opt/libjpeg-turbo/lib/amd64 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@200 632fc199-4ca6-4c93-a231-07263d6284db
 2010-06-05 00:35:18 +00:00
DRC
ff95aa6d36 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@199 632fc199-4ca6-4c93-a231-07263d6284db 2010-06-05 00:22:32 +00:00
DRC
d90c9a2564 Allow arbitrary package name to be specified 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@198 632fc199-4ca6-4c93-a231-07263d6284db
 2010-06-05 00:02:23 +00:00
DRC
8e2bba9e02 Install libjpeg run-time programs and man pages and include in Unix/Linux packages 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@197 632fc199-4ca6-4c93-a231-07263d6284db
 2010-06-04 23:54:10 +00:00
DRC
8c2b9fa744 Some Linux platforms require -m32 in the LDFLAGS as well 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@196 632fc199-4ca6-4c93-a231-07263d6284db
 2010-06-04 23:09:00 +00:00
DRC
64586cd185 Don't need to use sudo when building Solaris PKG or RPM's 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@195 632fc199-4ca6-4c93-a231-07263d6284db
 2010-05-18 22:21:46 +00:00
DRC
e16eaed09c Oops 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@194 632fc199-4ca6-4c93-a231-07263d6284db
 2010-05-18 19:18:42 +00:00
DRC
f12c7db429 Create sym links so that headers and static libs can always be found in the same place on Solaris, Linux, and Mac 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@193 632fc199-4ca6-4c93-a231-07263d6284db
 2010-05-18 19:04:47 +00:00
DRC
bf5a12db42 Go ahead and set the version to 1.0.0 so all interim builds will be release candidates 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@192 632fc199-4ca6-4c93-a231-07263d6284db
 2010-05-18 17:31:32 +00:00
DRC
12fc3eaf63 0.0.94 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@191 632fc199-4ca6-4c93-a231-07263d6284db
 2010-05-18 05:32:01 +00:00
DRC
49597877a4 64-bit FreeBSD sets host_cpu to "amd64", not "x86_64". Handle that case so that configure will work without explicitly specifying --host. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@190 632fc199-4ca6-4c93-a231-07263d6284db
 2010-05-17 20:47:57 +00:00
DRC
991c2fcae7 Some systems (FreeBSD, in particular) don't define the RM macro in automake 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@189 632fc199-4ca6-4c93-a231-07263d6284db
 2010-05-17 20:42:51 +00:00
DRC
4ea16c0603 Define TJ_411 so that VirtualGL <= 2.1.x and TurboVNC <= 0.6 can be built with the libjpeg-turbo SDK 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@188 632fc199-4ca6-4c93-a231-07263d6284db
 2010-05-17 16:42:14 +00:00
DRC
377add7ae9 Updated Windows build information 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@187 632fc199-4ca6-4c93-a231-07263d6284db
 2010-05-17 16:41:12 +00:00
DRC
a51ada6706 Use new e-mail alias 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@185 632fc199-4ca6-4c93-a231-07263d6284db
 2010-05-11 00:39:45 +00:00
DRC
ef663e333e Only disable filesystem redirection in the 64-bit installers 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@184 632fc199-4ca6-4c93-a231-07263d6284db
 2010-05-10 23:39:22 +00:00
DRC
be09b20a40 Handle cases in which MinGW inexplicably builds the DLL as libjpeg-0.dll instead of libjpeg-62.dll 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@183 632fc199-4ca6-4c93-a231-07263d6284db
 2010-05-10 22:20:14 +00:00
DRC
9ca2364694 Use "make nsi" instead of "make dist" to be consistent with MinGW build 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@182 632fc199-4ca6-4c93-a231-07263d6284db
 2010-05-10 22:19:24 +00:00
DRC
3dc1bc2ded Create separate packages for Win64 binaries 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@181 632fc199-4ca6-4c93-a231-07263d6284db
 2010-05-10 22:18:10 +00:00
DRC
1a2219ec26 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@180 632fc199-4ca6-4c93-a231-07263d6284db 2010-05-10 20:03:36 +00:00
DRC
b6f097f729 xmm6-xmm15 must also be preserved by the callee; Win64 should fully work now 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@179 632fc199-4ca6-4c93-a231-07263d6284db
 2010-04-23 15:41:34 +00:00
DRC
d3e320fee7 Win64 should fully work now 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@178 632fc199-4ca6-4c93-a231-07263d6284db
 2010-04-21 17:20:12 +00:00
DRC
830d5fccf4 Use 64-bit holding buffer on Win64 for increased performance 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@177 632fc199-4ca6-4c93-a231-07263d6284db
 2010-04-20 21:13:26 +00:00
DRC
4132b1d552 Updated (C) 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@176 632fc199-4ca6-4c93-a231-07263d6284db
 2010-04-20 20:54:03 +00:00
DRC
f9bdeb62e2 Not sure why the cjpeg/djpeg image loaders got disabled, but re-enable them 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@175 632fc199-4ca6-4c93-a231-07263d6284db
 2010-04-20 19:16:06 +00:00
DRC
e728ed7a36 Win64 (mostly) works now 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@174 632fc199-4ca6-4c93-a231-07263d6284db
 2010-04-20 19:15:09 +00:00
DRC
a644fb05a7 Use correct filenames in headers 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@173 632fc199-4ca6-4c93-a231-07263d6284db
 2010-04-20 18:20:13 +00:00
DRC
86d8c0aa26 0.0.93 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@172 632fc199-4ca6-4c93-a231-07263d6284db
 2010-04-20 18:12:38 +00:00
DRC
fb096fff78 Only have to use 32-bit mov for r14, since it is populated from the stack 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@171 632fc199-4ca6-4c93-a231-07263d6284db
 2010-04-19 18:58:07 +00:00
DRC
14ecb539df Attempt to fix Win64 issues 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@170 632fc199-4ca6-4c93-a231-07263d6284db
 2010-04-17 21:57:25 +00:00
DRC
09271951d9 0.0.92 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@169 632fc199-4ca6-4c93-a231-07263d6284db
 2010-04-13 07:56:24 +00:00
DRC
7bac07bf12 Added FreeBSD build instructions 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@168 632fc199-4ca6-4c93-a231-07263d6284db
 2010-04-10 05:53:35 +00:00
DRC
0f413b2207 Fix x86-64 build on FreeBSD systems 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@167 632fc199-4ca6-4c93-a231-07263d6284db
 2010-04-06 20:05:39 +00:00
DRC
97f8ec4b60 I'm not sure why, but this was necessary in order to return the 32-bit performance to the 0.0.90 baseline 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@165 632fc199-4ca6-4c93-a231-07263d6284db
 2010-03-20 22:38:53 +00:00
DRC
1e6b5b4884 Clarify license description 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@164 632fc199-4ca6-4c93-a231-07263d6284db
 2010-03-20 20:00:51 +00:00
DRC
ae19bf6f15 Add ChangeLog to repository 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@163 632fc199-4ca6-4c93-a231-07263d6284db
 2010-03-15 11:40:31 +00:00
DRC
e885a8bf41 Fix data corruption issues when decompressing large JPEG images and/or using buffered I/O. Specifically, decode_mcu_fast() can potentially process more than 1 MCU, so make sure there is enough space in the buffer to accommodate this case. Otherwise, the buffer pointer goes negative, and bad mojo ensues. Also, the fast decoder's method of handling unread markers doesn't make libjpeg's restart handler happy, so disable fast decode when restarts are used. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@162 632fc199-4ca6-4c93-a231-07263d6284db
 2010-03-15 11:34:58 +00:00
DRC
0b7d4ed792 Include ChangeLog.txt in dist 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@161 632fc199-4ca6-4c93-a231-07263d6284db
 2010-03-03 09:37:58 +00:00
DRC
10a094f0e6 Bump version number 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@160 632fc199-4ca6-4c93-a231-07263d6284db
 2010-03-03 09:36:31 +00:00
DRC
f8b77c44f1 Don't allow code path to be forced on a system that doesn't support it 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@159 632fc199-4ca6-4c93-a231-07263d6284db
 2010-03-03 08:46:29 +00:00
DRC
048990944f Bleepin' Windows uses LLP64, not LP64 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@158 632fc199-4ca6-4c93-a231-07263d6284db
 2010-02-26 23:01:19 +00:00
DRC
d3c7eff53d Oops. Debian users might like documentation as well. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@157 632fc199-4ca6-4c93-a231-07263d6284db
 2010-02-25 20:14:10 +00:00
523 changed files with 108916 additions and 38526 deletions
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14
.gitignore vendored Normal file
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@@ -0,0 +1,14 @@
.DS_Store
Makefile.in
aclocal.m4
ar-lib
autom4te.cache
compile
config.guess
config.h.in
config.sub
configure
depcomp
install-sh
ltmain.sh
missing

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language: c
matrix:
include:
- os: linux
env: BUILD_OFFICIAL=1
sudo: required
services:
- docker
- os: osx
env: BUILD_OFFICIAL=1
osx_image: xcode7.3
- os: linux
compiler: clang
env:
CFLAGS="-O1 -g -fsanitize=address -fno-omit-frame-pointer"
CONFIGURE_FLAGS="--disable-shared"
ASAN_OPTIONS="detect_leaks=1 symbolize=1"
addons:
apt:
packages:
- nasm
- os: linux
compiler: gcc
env: CONFIGURE_FLAGS="--with-12bit"
- os: linux
compiler: gcc
env: CONFIGURE_FLAGS="--with-jpeg7"
addons:
apt:
packages:
- nasm
- os: linux
compiler: gcc
env: CONFIGURE_FLAGS="--with-jpeg8"
addons:
apt:
packages:
- nasm
- os: linux
compiler: gcc
env: CONFIGURE_FLAGS="--without-simd"
before_install:
- if [ "$TRAVIS_OS_NAME" = "osx" ]; then
brew update &&
brew install nasm homebrew/versions/gcc5 md5sha1sum Caskroom/versions/java6 &&
ln -fs /usr/local/bin/gpg1 /usr/local/bin/gpg &&
git clone --depth=1 https://github.com/libjpeg-turbo/gas-preprocessor.git ~/src/gas-preprocessor &&
ln -fs /Applications/Xcode.app /Applications/Xcode72.app;
fi
- if [ "${BUILD_OFFICIAL:-}" != "" ]; then
if [ "$TRAVIS_OS_NAME" = "linux" ]; then
docker pull dcommander/buildljt;
fi &&
git clone --depth=1 https://github.com/libjpeg-turbo/buildscripts.git -b $TRAVIS_BRANCH ~/src/buildscripts &&
openssl aes-256-cbc -K $encrypted_f92e8533f6f1_key -iv $encrypted_f92e8533f6f1_iv -in ci/keys.enc -out ci/keys -d &&
tar xf ci/keys &&
rm ci/keys &&
mv ci/gpgsign ~/src/buildscripts &&
gpg --import ci/sign_ljt &&
rm ci/sign_ljt;
fi
script:
- if [ "${BUILD_OFFICIAL:-}" != "" ]; then
mkdir -p ~/src/ljt.nightly &&
if [ -f .git/shallow ]; then
mv .git/shallow .git/shallow.bak;
fi &&
if [ "$TRAVIS_OS_NAME" = "linux" ]; then
docker run -v $HOME/src/ljt.nightly:/root/src/ljt.nightly -v $HOME/src/buildscripts:/root/src/buildscripts -v $TRAVIS_BUILD_DIR:/root/src/libjpeg-turbo -v $HOME/.gnupg:/root/.gnupg -t dcommander/buildljt:latest bash -c "rpm --import http://pgp.mit.edu/pks/lookup?op=get\&search=0x0575F26BD5B3FDB1 && ~/src/buildscripts/buildljt -r file:///root/src/libjpeg-turbo $TRAVIS_BRANCH -v" &&
sudo chown -R travis:travis ~/src/ljt.nightly &&
mv ~/src/ljt.nightly/latest/log-$TRAVIS_OS_NAME.txt ~/src/ljt.nightly/latest/files/;
else
PATH=$PATH:~/src/gas-preprocessor ~/src/buildscripts/buildljt -r file://$TRAVIS_BUILD_DIR $TRAVIS_BRANCH -v &&
mv ~/src/ljt.nightly/latest/log-$TRAVIS_OS_NAME.txt ~/src/ljt.nightly/latest/files/;
fi &&
if [ -f .git/shallow.bak ]; then
mv .git/shallow.bak .git/shallow;
fi
fi
- if [ "${BUILD_OFFICIAL:-}" == "" ]; then
autoreconf -fiv &&
mkdir build &&
pushd build &&
../configure ${CONFIGURE_FLAGS} &&
export NUMCPUS=`grep -c '^processor' /proc/cpuinfo` &&
make -j$NUMCPUS --load-average=$NUMCPUS &&
if [[ "${CONFIGURE_FLAGS}" =~ "with-12bit" ||
"${CONFIGURE_FLAGS}" =~ "without-simd" ]]; then
make test FLOATTEST=32bit;
else
make test FLOATTEST=sse &&
JSIMD_FORCENONE=1 make test FLOATTEST=32bit;
fi &&
popd;
fi
after_failure:
- if [ "${BUILD_OFFICIAL:-}" == "" ]; then
if [ -f $TRAVIS_BUILD_DIR/build/config.log ]; then
cat $TRAVIS_BUILD_DIR/build/config.log;
fi
fi
deploy:
- provider: s3
bucket: libjpeg-turbo-pr
access_key_id:
secure: 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
secret_access_key:
secure: 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
acl: public_read
local-dir: $HOME/src/ljt.nightly/latest/files
upload-dir: $TRAVIS_BRANCH/$TRAVIS_OS_NAME
on:
branch: master
condition: -n "$BUILD_OFFICIAL"
- provider: s3
bucket: libjpeg-turbo-pr
access_key_id:
secure: 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
secret_access_key:
secure: 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
acl: public_read
local-dir: $HOME/src/ljt.nightly/latest/files
upload-dir: $TRAVIS_BRANCH/$TRAVIS_OS_NAME
on:
branch: dev
condition: -n "$BUILD_OFFICIAL"

964
BUILDING.md Normal file
View File

@@ -0,0 +1,964 @@
Un*x Platforms (including Mac and Cygwin)
=========================================
Build Requirements
------------------
- autoconf 2.56 or later
- automake 1.7 or later
- libtool 1.4 or later
* If using Xcode 4.3 or later on OS X, autoconf and automake are no longer
provided. The easiest way to obtain them is from
[MacPorts](http://www.MacPorts.org) or [Homebrew](http://brew.sh/).
- [NASM](http://www.nasm.us) or [YASM](http://yasm.tortall.net)
(if building x86 or x86-64 SIMD extensions)
* If using NASM, 0.98, or 2.01 or later is required for an x86 build (0.99
and 2.00 do not work properly with libjpeg-turbo's x86 SIMD code.)
* If using NASM, 2.00 or later is required for an x86-64 build.
* If using NASM, 2.07 or later (except 2.11.08) is required for an x86-64
Mac build (2.11.08 does not work properly with libjpeg-turbo's x86-64 SIMD
code when building macho64 objects.) NASM or YASM can be obtained from
[MacPorts](http://www.macports.org/) or [Homebrew](http://brew.sh/).
The binary RPMs released by the NASM project do not work on older Linux
systems, such as Red Hat Enterprise Linux 5. On such systems, you can easily
build and install NASM from a source RPM by downloading one of the SRPMs from
<http://www.nasm.us/pub/nasm/releasebuilds>
and executing the following as root:
ARCH=`uname -m`
rpmbuild --rebuild nasm-{version}.src.rpm
rpm -Uvh /usr/src/redhat/RPMS/$ARCH/nasm-{version}.$ARCH.rpm
NOTE: the NASM build will fail if texinfo is not installed.
- GCC v4.1 (or later) or Clang recommended for best performance
- If building the TurboJPEG Java wrapper, JDK or OpenJDK 1.5 or later is
required. Most modern Linux distributions, as well as Solaris 10 and later,
include JDK or OpenJDK. On OS X 10.5 and 10.6, it will be necessary to
install the Java Developer Package, which can be downloaded from
<http://developer.apple.com/downloads> (Apple ID required.) For other
systems, you can obtain the Oracle Java Development Kit from
<http://www.java.com>.
Out-of-Tree Builds
------------------
Binary objects, libraries, and executables are generated in the directory from
which `configure` is executed (the "binary directory"), and this directory need
not necessarily be the same as the libjpeg-turbo source directory. You can
create multiple independent binary directories, in which different versions of
libjpeg-turbo can be built from the same source tree using different compilers
or settings. In the sections below, *{build_directory}* refers to the binary
directory, whereas *{source_directory}* refers to the libjpeg-turbo source
directory. For in-tree builds, these directories are the same.
Build Procedure
---------------
The following procedure will build libjpeg-turbo on Unix and Unix-like systems.
(On Solaris, this generates a 32-bit build. See "Build Recipes" below for
64-bit build instructions.)
cd {source_directory}
autoreconf -fiv
cd {build_directory}
sh {source_directory}/configure [additional configure flags]
make
NOTE: Running autoreconf in the source directory is not necessary if building
libjpeg-turbo from one of the official release tarballs.
This will generate the following files under **.libs/**:
**libjpeg.a**<br>
Static link library for the libjpeg API
**libjpeg.so.{version}** (Linux, Unix)<br>
**libjpeg.{version}.dylib** (Mac)<br>
**cygjpeg-{version}.dll** (Cygwin)<br>
Shared library for the libjpeg API
By default, *{version}* is 62.2.0, 7.2.0, or 8.1.2, depending on whether
libjpeg v6b (default), v7, or v8 emulation is enabled. If using Cygwin,
*{version}* is 62, 7, or 8.
**libjpeg.so** (Linux, Unix)<br>
**libjpeg.dylib** (Mac)<br>
Development symlink for the libjpeg API
**libjpeg.dll.a** (Cygwin)<br>
Import library for the libjpeg API
**libturbojpeg.a**<br>
Static link library for the TurboJPEG API
**libturbojpeg.so.0.1.0** (Linux, Unix)<br>
**libturbojpeg.0.1.0.dylib** (Mac)<br>
**cygturbojpeg-0.dll** (Cygwin)<br>
Shared library for the TurboJPEG API
**libturbojpeg.so** (Linux, Unix)<br>
**libturbojpeg.dylib** (Mac)<br>
Development symlink for the TurboJPEG API
**libturbojpeg.dll.a** (Cygwin)<br>
Import library for the TurboJPEG API
### libjpeg v7 or v8 API/ABI Emulation
Add `--with-jpeg7` to the `configure` command line to build a version of
libjpeg-turbo that is API/ABI-compatible with libjpeg v7. Add `--with-jpeg8`
to the `configure` command to build a version of libjpeg-turbo that is
API/ABI-compatible with libjpeg v8. See [README.md](README.md) for more
information about libjpeg v7 and v8 emulation.
### In-Memory Source/Destination Managers
When using libjpeg v6b or v7 API/ABI emulation, add `--without-mem-srcdst` to
the `configure` command line to build a version of libjpeg-turbo that lacks the
`jpeg_mem_src()` and `jpeg_mem_dest()` functions. These functions were not
part of the original libjpeg v6b and v7 APIs, so removing them ensures strict
conformance with those APIs. See [README.md](README.md) for more information.
### Arithmetic Coding Support
Since the patent on arithmetic coding has expired, this functionality has been
included in this release of libjpeg-turbo. libjpeg-turbo's implementation is
based on the implementation in libjpeg v8, but it works when emulating libjpeg
v7 or v6b as well. The default is to enable both arithmetic encoding and
decoding, but those who have philosophical objections to arithmetic coding can
add `--without-arith-enc` or `--without-arith-dec` to the `configure` command
line to disable encoding or decoding (respectively.)
### TurboJPEG Java Wrapper
Add `--with-java` to the `configure` command line to incorporate an optional
Java Native Interface (JNI) wrapper into the TurboJPEG shared library and build
the Java front-end classes to support it. This allows the TurboJPEG shared
library to be used directly from Java applications. See
[java/README](java/README) for more details.
You can set the `JAVAC`, `JAR`, and `JAVA` configure variables to specify
alternate commands for javac, jar, and java (respectively.) You can also
set the `JAVACFLAGS` configure variable to specify arguments that should be
passed to the Java compiler when building the TurboJPEG classes, and
`JNI_CFLAGS` to specify arguments that should be passed to the C compiler when
building the JNI wrapper. Run `configure --help` for more details.
Build Recipes
-------------
### 32-bit Build on 64-bit Linux
Add
--host i686-pc-linux-gnu CFLAGS='-O3 -m32' LDFLAGS=-m32
to the `configure` command line.
### 64-bit Build on 64-bit OS X
Add
--host x86_64-apple-darwin NASM=/opt/local/bin/nasm
to the `configure` command line. NASM 2.07 or later from MacPorts or Homebrew
must be installed. If using Homebrew, then replace `/opt/local` with
`/usr/local`.
### 32-bit Build on 64-bit OS X
Add
--host i686-apple-darwin CFLAGS='-O3 -m32' LDFLAGS=-m32
to the `configure` command line.
### 64-bit Backward-Compatible Build on 64-bit OS X
Add
--host x86_64-apple-darwin NASM=/opt/local/bin/nasm \
CFLAGS='-mmacosx-version-min=10.5 -O3' \
LDFLAGS='-mmacosx-version-min=10.5'
to the `configure` command line. NASM 2.07 or later from MacPorts or Homebrew
must be installed. If using Homebrew, then replace `/opt/local` with
`/usr/local`.
### 32-bit Backward-Compatible Build on OS X
Add
--host i686-apple-darwin \
CFLAGS='-mmacosx-version-min=10.5 -O3 -m32' \
LDFLAGS='-mmacosx-version-min=10.5 -m32'
to the `configure` command line.
### 64-bit Build on 64-bit Solaris
Add
--host x86_64-pc-solaris CFLAGS='-O3 -m64' LDFLAGS=-m64
to the `configure` command line.
### 32-bit Build on 64-bit FreeBSD
Add
--host i386-unknown-freebsd CFLAGS='-O3 -m32' LDFLAGS=-m32
to the `configure` command line. NASM 2.07 or later from FreeBSD ports must be
installed.
### Oracle Solaris Studio
Add
CC=cc
to the `configure` command line. libjpeg-turbo will automatically be built
with the maximum optimization level (-xO5) unless you override `CFLAGS`.
To build a 64-bit version of libjpeg-turbo using Oracle Solaris Studio, add
--host x86_64-pc-solaris CC=cc CFLAGS='-xO5 -m64' LDFLAGS=-m64
to the `configure` command line.
### MinGW Build on Cygwin
Use CMake (see recipes below)
Building libjpeg-turbo for iOS
------------------------------
iOS platforms, such as the iPhone and iPad, use ARM processors, and all
currently supported models include NEON instructions. Thus, they can take
advantage of libjpeg-turbo's SIMD extensions to significantly accelerate JPEG
compression/decompression. This section describes how to build libjpeg-turbo
for these platforms.
### Additional build requirements
- For configurations that require [gas-preprocessor.pl]
(https://raw.githubusercontent.com/libjpeg-turbo/gas-preprocessor/master/gas-preprocessor.pl),
it should be installed in your `PATH`.
### ARMv7 (32-bit)
**gas-preprocessor.pl required**
The following scripts demonstrate how to build libjpeg-turbo to run on the
iPhone 3GS-4S/iPad 1st-3rd Generation and newer:
#### Xcode 4.2 and earlier (LLVM-GCC)
IOS_PLATFORMDIR=/Developer/Platforms/iPhoneOS.platform
IOS_SYSROOT=($IOS_PLATFORMDIR/Developer/SDKs/iPhoneOS*.sdk)
export host_alias=arm-apple-darwin10
export CC=${IOS_PLATFORMDIR}/Developer/usr/bin/arm-apple-darwin10-llvm-gcc-4.2
export CFLAGS="-mfloat-abi=softfp -isysroot ${IOS_SYSROOT[0]} -O3 -march=armv7 -mcpu=cortex-a8 -mtune=cortex-a8 -mfpu=neon -miphoneos-version-min=3.0"
cd {build_directory}
sh {source_directory}/configure [additional configure flags]
make
#### Xcode 4.3-4.6 (LLVM-GCC)
Same as above, but replace the first line with:
IOS_PLATFORMDIR=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform
#### Xcode 5 and later (Clang)
IOS_PLATFORMDIR=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform
IOS_SYSROOT=($IOS_PLATFORMDIR/Developer/SDKs/iPhoneOS*.sdk)
export host_alias=arm-apple-darwin10
export CC=/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang
export CFLAGS="-mfloat-abi=softfp -isysroot ${IOS_SYSROOT[0]} -O3 -arch armv7 -miphoneos-version-min=3.0"
export CCASFLAGS="$CFLAGS -no-integrated-as"
cd {build_directory}
sh {source_directory}/configure [additional configure flags]
make
### ARMv7s (32-bit)
**gas-preprocessor.pl required**
The following scripts demonstrate how to build libjpeg-turbo to run on the
iPhone 5/iPad 4th Generation and newer:
#### Xcode 4.5-4.6 (LLVM-GCC)
IOS_PLATFORMDIR=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform
IOS_SYSROOT=($IOS_PLATFORMDIR/Developer/SDKs/iPhoneOS*.sdk)
export host_alias=arm-apple-darwin10
export CC=${IOS_PLATFORMDIR}/Developer/usr/bin/arm-apple-darwin10-llvm-gcc-4.2
export CFLAGS="-mfloat-abi=softfp -isysroot ${IOS_SYSROOT[0]} -O3 -march=armv7s -mcpu=swift -mtune=swift -mfpu=neon -miphoneos-version-min=6.0"
cd {build_directory}
sh {source_directory}/configure [additional configure flags]
make
#### Xcode 5 and later (Clang)
Same as the ARMv7 build procedure for Xcode 5 and later, except replace the
compiler flags as follows:
export CFLAGS="-mfloat-abi=softfp -isysroot ${IOS_SYSROOT[0]} -O3 -arch armv7s -miphoneos-version-min=6.0"
### ARMv8 (64-bit)
**gas-preprocessor.pl required if using Xcode < 6**
The following script demonstrates how to build libjpeg-turbo to run on the
iPhone 5S/iPad Mini 2/iPad Air and newer.
IOS_PLATFORMDIR=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform
IOS_SYSROOT=($IOS_PLATFORMDIR/Developer/SDKs/iPhoneOS*.sdk)
export host_alias=aarch64-apple-darwin
export CC=/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang
export CFLAGS="-isysroot ${IOS_SYSROOT[0]} -O3 -arch arm64 -miphoneos-version-min=7.0 -funwind-tables"
cd {build_directory}
sh {source_directory}/configure [additional configure flags]
make
Once built, lipo can be used to combine the ARMv7, v7s, and/or v8 variants into
a universal library.
Building libjpeg-turbo for Android
----------------------------------
Building libjpeg-turbo for Android platforms requires the
[Android NDK](https://developer.android.com/tools/sdk/ndk) and autotools.
### ARMv7 (32-bit)
The following is a general recipe script that can be modified for your specific
needs.
# Set these variables to suit your needs
NDK_PATH={full path to the "ndk" directory-- for example, /opt/android/sdk/ndk-bundle}
BUILD_PLATFORM={the platform name for the NDK package you installed--
for example, "windows-x86" or "linux-x86_64" or "darwin-x86_64"}
TOOLCHAIN_VERSION={"4.8", "4.9", "clang3.5", etc. This corresponds to a
toolchain directory under ${NDK_PATH}/toolchains/.}
ANDROID_VERSION={The minimum version of Android to support-- for example,
"16", "19", etc.}
# It should not be necessary to modify the rest
HOST=arm-linux-androideabi
SYSROOT=${NDK_PATH}/platforms/android-${ANDROID_VERSION}/arch-arm
ANDROID_CFLAGS="-march=armv7-a -mfloat-abi=softfp -fprefetch-loop-arrays \
--sysroot=${SYSROOT}"
TOOLCHAIN=${NDK_PATH}/toolchains/${HOST}-${TOOLCHAIN_VERSION}/prebuilt/${BUILD_PLATFORM}
export CPP=${TOOLCHAIN}/bin/${HOST}-cpp
export AR=${TOOLCHAIN}/bin/${HOST}-ar
export NM=${TOOLCHAIN}/bin/${HOST}-nm
export CC=${TOOLCHAIN}/bin/${HOST}-gcc
export LD=${TOOLCHAIN}/bin/${HOST}-ld
export RANLIB=${TOOLCHAIN}/bin/${HOST}-ranlib
export OBJDUMP=${TOOLCHAIN}/bin/${HOST}-objdump
export STRIP=${TOOLCHAIN}/bin/${HOST}-strip
cd {build_directory}
sh {source_directory}/configure --host=${HOST} \
CFLAGS="${ANDROID_CFLAGS} -O3 -fPIE" \
CPPFLAGS="${ANDROID_CFLAGS}" \
LDFLAGS="${ANDROID_CFLAGS} -pie" --with-simd ${1+"$@"}
make
### ARMv8 (64-bit)
The following is a general recipe script that can be modified for your specific
needs.
# Set these variables to suit your needs
NDK_PATH={full path to the "ndk" directory-- for example, /opt/android/sdk/ndk-bundle}
BUILD_PLATFORM={the platform name for the NDK package you installed--
for example, "windows-x86" or "linux-x86_64" or "darwin-x86_64"}
TOOLCHAIN_VERSION={"4.8", "4.9", "clang3.5", etc. This corresponds to a
toolchain directory under ${NDK_PATH}/toolchains/.}
ANDROID_VERSION={The minimum version of Android to support. "21" or later
is required for a 64-bit build.}
# It should not be necessary to modify the rest
HOST=aarch64-linux-android
SYSROOT=${NDK_PATH}/platforms/android-${ANDROID_VERSION}/arch-arm64
ANDROID_CFLAGS="--sysroot=${SYSROOT}"
TOOLCHAIN=${NDK_PATH}/toolchains/${HOST}-${TOOLCHAIN_VERSION}/prebuilt/${BUILD_PLATFORM}
export CPP=${TOOLCHAIN}/bin/${HOST}-cpp
export AR=${TOOLCHAIN}/bin/${HOST}-ar
export NM=${TOOLCHAIN}/bin/${HOST}-nm
export CC=${TOOLCHAIN}/bin/${HOST}-gcc
export LD=${TOOLCHAIN}/bin/${HOST}-ld
export RANLIB=${TOOLCHAIN}/bin/${HOST}-ranlib
export OBJDUMP=${TOOLCHAIN}/bin/${HOST}-objdump
export STRIP=${TOOLCHAIN}/bin/${HOST}-strip
cd {build_directory}
sh {source_directory}/configure --host=${HOST} \
CFLAGS="${ANDROID_CFLAGS} -O3 -fPIE" \
CPPFLAGS="${ANDROID_CFLAGS}" \
LDFLAGS="${ANDROID_CFLAGS} -pie" --with-simd ${1+"$@"}
make
### x86 (32-bit)
The following is a general recipe script that can be modified for your specific
needs.
# Set these variables to suit your needs
NDK_PATH={full path to the "ndk" directory-- for example, /opt/android/sdk/ndk-bundle}
BUILD_PLATFORM={the platform name for the NDK package you installed--
for example, "windows-x86" or "linux-x86_64" or "darwin-x86_64"}
TOOLCHAIN_VERSION={"4.8", "4.9", "clang3.5", etc. This corresponds to a
toolchain directory under ${NDK_PATH}/toolchains/.}
ANDROID_VERSION={The minimum version of Android to support-- for example,
"16", "19", etc.}
# It should not be necessary to modify the rest
HOST=i686-linux-android
SYSROOT=${NDK_PATH}/platforms/android-${ANDROID_VERSION}/arch-x86
ANDROID_CFLAGS="--sysroot=${SYSROOT}"
TOOLCHAIN=${NDK_PATH}/toolchains/x86-${TOOLCHAIN_VERSION}/prebuilt/${BUILD_PLATFORM}
export CPP=${TOOLCHAIN}/bin/${HOST}-cpp
export AR=${TOOLCHAIN}/bin/${HOST}-ar
export NM=${TOOLCHAIN}/bin/${HOST}-nm
export CC=${TOOLCHAIN}/bin/${HOST}-gcc
export LD=${TOOLCHAIN}/bin/${HOST}-ld
export RANLIB=${TOOLCHAIN}/bin/${HOST}-ranlib
export OBJDUMP=${TOOLCHAIN}/bin/${HOST}-objdump
export STRIP=${TOOLCHAIN}/bin/${HOST}-strip
cd {build_directory}
sh {source_directory}/configure --host=${HOST} \
CFLAGS="${ANDROID_CFLAGS} -O3 -fPIE" \
CPPFLAGS="${ANDROID_CFLAGS}" \
LDFLAGS="${ANDROID_CFLAGS} -pie" --with-simd ${1+"$@"}
make
### x86-64 (64-bit)
The following is a general recipe script that can be modified for your specific
needs.
# Set these variables to suit your needs
NDK_PATH={full path to the "ndk" directory-- for example, /opt/android/sdk/ndk-bundle}
BUILD_PLATFORM={the platform name for the NDK package you installed--
for example, "windows-x86" or "linux-x86_64" or "darwin-x86_64"}
TOOLCHAIN_VERSION={"4.8", "4.9", "clang3.5", etc. This corresponds to a
toolchain directory under ${NDK_PATH}/toolchains/.}
ANDROID_VERSION={The minimum version of Android to support. "21" or later
is required for a 64-bit build.}
# It should not be necessary to modify the rest
HOST=x86_64-linux-android
SYSROOT=${NDK_PATH}/platforms/android-${ANDROID_VERSION}/arch-x86_64
ANDROID_CFLAGS="--sysroot=${SYSROOT}"
TOOLCHAIN=${NDK_PATH}/toolchains/x86_64-${TOOLCHAIN_VERSION}/prebuilt/${BUILD_PLATFORM}
export CPP=${TOOLCHAIN}/bin/${HOST}-cpp
export AR=${TOOLCHAIN}/bin/${HOST}-ar
export NM=${TOOLCHAIN}/bin/${HOST}-nm
export CC=${TOOLCHAIN}/bin/${HOST}-gcc
export LD=${TOOLCHAIN}/bin/${HOST}-ld
export RANLIB=${TOOLCHAIN}/bin/${HOST}-ranlib
export OBJDUMP=${TOOLCHAIN}/bin/${HOST}-objdump
export STRIP=${TOOLCHAIN}/bin/${HOST}-strip
cd {build_directory}
sh {source_directory}/configure --host=${HOST} \
CFLAGS="${ANDROID_CFLAGS} -O3 -fPIE" \
CPPFLAGS="${ANDROID_CFLAGS}" \
LDFLAGS="${ANDROID_CFLAGS} -pie" --with-simd ${1+"$@"}
make
If building for Android 4.0.x (API level < 16) or earlier, remove `-fPIE` from
`CFLAGS` and `-pie` from `LDFLAGS`.
Installing libjpeg-turbo
------------------------
To install libjpeg-turbo after it is built, replace `make` in the build
instructions with `make install`.
The `--prefix` argument to configure (or the `prefix` configure variable) can
be used to specify an installation directory of your choosing. If you don't
specify an installation directory, then the default is to install libjpeg-turbo
under **/opt/libjpeg-turbo** and to place the libraries in
**/opt/libjpeg-turbo/lib32** (32-bit) or **/opt/libjpeg-turbo/lib64** (64-bit.)
The `bindir`, `datadir`, `docdir`, `includedir`, `libdir`, and `mandir`
configure variables allow a finer degree of control over where specific files in
the libjpeg-turbo distribution should be installed. These variables can either
be specified at configure time or passed as arguments to `make install`.
Windows (Visual C++ or MinGW)
=============================
Build Requirements
------------------
- [CMake](http://www.cmake.org) v2.8.11 or later
- [NASM](http://www.nasm.us) or [YASM](http://yasm.tortall.net)
* If using NASM, 0.98 or later is required for an x86 build.
* If using NASM, 2.05 or later is required for an x86-64 build.
* **nasm.exe**/**yasm.exe** should be in your `PATH`.
- Microsoft Visual C++ 2005 or later
If you don't already have Visual C++, then the easiest way to get it is by
installing the
[Windows SDK](http://msdn.microsoft.com/en-us/windows/bb980924.aspx).
The Windows SDK includes both 32-bit and 64-bit Visual C++ compilers and
everything necessary to build libjpeg-turbo.
* You can also use Microsoft Visual Studio Express/Community Edition, which
is a free download. (NOTE: versions prior to 2012 can only be used to
build 32-bit code.)
* If you intend to build libjpeg-turbo from the command line, then add the
appropriate compiler and SDK directories to the `INCLUDE`, `LIB`, and
`PATH` environment variables. This is generally accomplished by
executing `vcvars32.bat` or `vcvars64.bat` and `SetEnv.cmd`.
`vcvars32.bat` and `vcvars64.bat` are part of Visual C++ and are located in
the same directory as the compiler. `SetEnv.cmd` is part of the Windows
SDK. You can pass optional arguments to `SetEnv.cmd` to specify a 32-bit
or 64-bit build environment.
... OR ...
- MinGW
[MSYS2](http://msys2.github.io/) or [tdm-gcc](http://tdm-gcc.tdragon.net/)
recommended if building on a Windows machine. Both distributions install a
Start Menu link that can be used to launch a command prompt with the
appropriate compiler paths automatically set.
- If building the TurboJPEG Java wrapper, JDK 1.5 or later is required. This
can be downloaded from <http://www.java.com>.
Out-of-Tree Builds
------------------
Binary objects, libraries, and executables are generated in the directory from
which CMake is executed (the "binary directory"), and this directory need not
necessarily be the same as the libjpeg-turbo source directory. You can create
multiple independent binary directories, in which different versions of
libjpeg-turbo can be built from the same source tree using different compilers
or settings. In the sections below, *{build_directory}* refers to the binary
directory, whereas *{source_directory}* refers to the libjpeg-turbo source
directory. For in-tree builds, these directories are the same.
Build Procedure
---------------
NOTE: The build procedures below assume that CMake is invoked from the command
line, but all of these procedures can be adapted to the CMake GUI as
well.
### Visual C++ (Command Line)
cd {build_directory}
cmake -G"NMake Makefiles" -DCMAKE_BUILD_TYPE=Release [additional CMake flags] {source_directory}
nmake
This will build either a 32-bit or a 64-bit version of libjpeg-turbo, depending
on which version of **cl.exe** is in the `PATH`.
The following files will be generated under *{build_directory}*:
**jpeg-static.lib**<br>
Static link library for the libjpeg API
**sharedlib/jpeg{version}.dll**<br>
DLL for the libjpeg API
**sharedlib/jpeg.lib**<br>
Import library for the libjpeg API
**turbojpeg-static.lib**<br>
Static link library for the TurboJPEG API
**turbojpeg.dll**<br>
DLL for the TurboJPEG API
**turbojpeg.lib**<br>
Import library for the TurboJPEG API
*{version}* is 62, 7, or 8, depending on whether libjpeg v6b (default), v7, or
v8 emulation is enabled.
### Visual C++ (IDE)
Choose the appropriate CMake generator option for your version of Visual Studio
(run `cmake` with no arguments for a list of available generators.) For
instance:
cd {build_directory}
cmake -G"Visual Studio 10" [additional CMake flags] {source_directory}
NOTE: Add "Win64" to the generator name (for example, "Visual Studio 10
Win64") to build a 64-bit version of libjpeg-turbo. A separate build directory
must be used for 32-bit and 64-bit builds.
You can then open **ALL_BUILD.vcproj** in Visual Studio and build one of the
configurations in that project ("Debug", "Release", etc.) to generate a full
build of libjpeg-turbo.
This will generate the following files under *{build_directory}*:
**{configuration}/jpeg-static.lib**<br>
Static link library for the libjpeg API
**sharedlib/{configuration}/jpeg{version}.dll**<br>
DLL for the libjpeg API
**sharedlib/{configuration}/jpeg.lib**<br>
Import library for the libjpeg API
**{configuration}/turbojpeg-static.lib**<br>
Static link library for the TurboJPEG API
**{configuration}/turbojpeg.dll**<br>
DLL for the TurboJPEG API
**{configuration}/turbojpeg.lib**<br>
Import library for the TurboJPEG API
*{configuration}* is Debug, Release, RelWithDebInfo, or MinSizeRel, depending
on the configuration you built in the IDE, and *{version}* is 62, 7, or 8,
depending on whether libjpeg v6b (default), v7, or v8 emulation is enabled.
### MinGW
NOTE: This assumes that you are building on a Windows machine using the MSYS
environment. If you are cross-compiling on a Un*x platform (including Mac and
Cygwin), then see "Build Recipes" below.
cd {build_directory}
cmake -G"MSYS Makefiles" [additional CMake flags] {source_directory}
make
This will generate the following files under *{build_directory}*:
**libjpeg.a**<br>
Static link library for the libjpeg API
**sharedlib/libjpeg-{version}.dll**<br>
DLL for the libjpeg API
**sharedlib/libjpeg.dll.a**<br>
Import library for the libjpeg API
**libturbojpeg.a**<br>
Static link library for the TurboJPEG API
**libturbojpeg.dll**<br>
DLL for the TurboJPEG API
**libturbojpeg.dll.a**<br>
Import library for the TurboJPEG API
*{version}* is 62, 7, or 8, depending on whether libjpeg v6b (default), v7, or
v8 emulation is enabled.
### Debug Build
Add `-DCMAKE_BUILD_TYPE=Debug` to the CMake command line. Or, if building
with NMake, remove `-DCMAKE_BUILD_TYPE=Release` (Debug builds are the default
with NMake.)
### libjpeg v7 or v8 API/ABI Emulation
Add `-DWITH_JPEG7=1` to the CMake command line to build a version of
libjpeg-turbo that is API/ABI-compatible with libjpeg v7. Add `-DWITH_JPEG8=1`
to the CMake command line to build a version of libjpeg-turbo that is
API/ABI-compatible with libjpeg v8. See [README.md](README.md) for more
information about libjpeg v7 and v8 emulation.
### In-Memory Source/Destination Managers
When using libjpeg v6b or v7 API/ABI emulation, add `-DWITH_MEM_SRCDST=0` to
the CMake command line to build a version of libjpeg-turbo that lacks the
`jpeg_mem_src()` and `jpeg_mem_dest()` functions. These functions were not
part of the original libjpeg v6b and v7 APIs, so removing them ensures strict
conformance with those APIs. See [README.md](README.md) for more information.
### Arithmetic Coding Support
Since the patent on arithmetic coding has expired, this functionality has been
included in this release of libjpeg-turbo. libjpeg-turbo's implementation is
based on the implementation in libjpeg v8, but it works when emulating libjpeg
v7 or v6b as well. The default is to enable both arithmetic encoding and
decoding, but those who have philosophical objections to arithmetic coding can
add `-DWITH_ARITH_ENC=0` or `-DWITH_ARITH_DEC=0` to the CMake command line to
disable encoding or decoding (respectively.)
### TurboJPEG Java Wrapper
Add `-DWITH_JAVA=1` to the CMake command line to incorporate an optional Java
Native Interface (JNI) wrapper into the TurboJPEG shared library and build the
Java front-end classes to support it. This allows the TurboJPEG shared library
to be used directly from Java applications. See [java/README](java/README) for
more details.
If Java is not in your `PATH`, or if you wish to use an alternate JDK to
build/test libjpeg-turbo, then (prior to running CMake) set the `JAVA_HOME`
environment variable to the location of the JDK that you wish to use. The
`Java_JAVAC_EXECUTABLE`, `Java_JAVA_EXECUTABLE`, and `Java_JAR_EXECUTABLE`
CMake variables can also be used to specify alternate commands or locations for
javac, jar, and java (respectively.) You can also set the `JAVACFLAGS` CMake
variable to specify arguments that should be passed to the Java compiler when
building the TurboJPEG classes.
Build Recipes
-------------
### 32-bit MinGW Build on Un*x (including Mac and Cygwin)
Create a file called **toolchain.cmake** under *{build_directory}*, with the
following contents:
set(CMAKE_SYSTEM_NAME Windows)
set(CMAKE_SYSTEM_PROCESSOR X86)
set(CMAKE_C_COMPILER {mingw_binary_path}/i686-w64-mingw32-gcc)
set(CMAKE_RC_COMPILER {mingw_binary_path}/i686-w64-mingw32-windres)
*{mingw\_binary\_path}* is the directory under which the MinGW binaries are
located (usually **/usr/bin**.) Next, execute the following commands:
cd {build_directory}
cmake -G"Unix Makefiles" -DCMAKE_TOOLCHAIN_FILE=toolchain.cmake \
[additional CMake flags] {source_directory}
make
### 64-bit MinGW Build on Un*x (including Mac and Cygwin)
Create a file called **toolchain.cmake** under *{build_directory}*, with the
following contents:
set(CMAKE_SYSTEM_NAME Windows)
set(CMAKE_SYSTEM_PROCESSOR AMD64)
set(CMAKE_C_COMPILER {mingw_binary_path}/x86_64-w64-mingw32-gcc)
set(CMAKE_RC_COMPILER {mingw_binary_path}/x86_64-w64-mingw32-windres)
*{mingw\_binary\_path}* is the directory under which the MinGW binaries are
located (usually **/usr/bin**.) Next, execute the following commands:
cd {build_directory}
cmake -G"Unix Makefiles" -DCMAKE_TOOLCHAIN_FILE=toolchain.cmake \
[additional CMake flags] {source_directory}
make
Installing libjpeg-turbo
------------------------
You can use the build system to install libjpeg-turbo (as opposed to creating
an installer package.) To do this, run `make install` or `nmake install`
(or build the "install" target in the Visual Studio IDE.) Running
`make uninstall` or `nmake uninstall` (or building the "uninstall" target in
the Visual Studio IDE) will uninstall libjpeg-turbo.
The `CMAKE_INSTALL_PREFIX` CMake variable can be modified in order to install
libjpeg-turbo into a directory of your choosing. If you don't specify
`CMAKE_INSTALL_PREFIX`, then the default is:
**c:\libjpeg-turbo**<br>
Visual Studio 32-bit build
**c:\libjpeg-turbo64**<br>
Visual Studio 64-bit build
**c:\libjpeg-turbo-gcc**<br>
MinGW 32-bit build
**c:\libjpeg-turbo-gcc64**<br>
MinGW 64-bit build
Creating Distribution Packages
==============================
The following commands can be used to create various types of distribution
packages:
Linux
-----
make rpm
Create Red Hat-style binary RPM package. Requires RPM v4 or later.
make srpm
This runs `make dist` to create a pristine source tarball, then creates a
Red Hat-style source RPM package from the tarball. Requires RPM v4 or later.
make deb
Create Debian-style binary package. Requires dpkg.
Mac
---
make dmg
Create Mac package/disk image. This requires pkgbuild and productbuild, which
are installed by default on OS X 10.7 and later and which can be obtained by
installing Xcode 3.2.6 (with the "Unix Development" option) on OS X 10.6.
Packages built in this manner can be installed on OS X 10.5 and later, but they
must be built on OS X 10.6 or later.
make udmg [BUILDDIR32={32-bit build directory}]
On 64-bit OS X systems, this creates a Mac package/disk image that contains
universal i386/x86-64 binaries. You should first configure a 32-bit
out-of-tree build of libjpeg-turbo, then configure a 64-bit out-of-tree build,
then run `make udmg` from the 64-bit build directory. The build system will
look for the 32-bit build under *{source_directory}*/osxx86 by default, but you
can override this by setting the `BUILDDIR32` variable on the make command line
as shown above.
make iosdmg [BUILDDIR32={32-bit build directory}] \
[BUILDDIRARMV7={ARMv7 build directory}] \
[BUILDDIRARMV7S={ARMv7s build directory}] \
[BUILDDIRARMV8={ARMv8 build directory}]
This creates a Mac package/disk image in which the libjpeg-turbo libraries
contain ARM architectures necessary to build iOS applications. If building on
an x86-64 system, the binaries will also contain the i386 architecture, as with
`make udmg` above. You should first configure ARMv7, ARMv7s, and/or ARMv8
out-of-tree builds of libjpeg-turbo (see "Building libjpeg-turbo for iOS"
above.) If you are building an x86-64 version of libjpeg-turbo, you should
configure a 32-bit out-of-tree build as well. Next, build libjpeg-turbo as you
would normally, using an out-of-tree build. When it is built, run `make
iosdmg` from the build directory. The build system will look for the ARMv7
build under *{source_directory}*/iosarmv7 by default, the ARMv7s build under
*{source_directory}*/iosarmv7s by default, the ARMv8 build under
*{source_directory}*/iosarmv8 by default, and (if applicable) the 32-bit build
under *{source_directory}*/osxx86 by default, but you can override this by
setting the `BUILDDIR32`, `BUILDDIRARMV7`, `BUILDDIRARMV7S`, and/or
`BUILDDIRARMV8` variables on the `make` command line as shown above.
NOTE: If including an ARMv8 build in the package, then you may need to use
Xcode's version of lipo instead of the operating system's. To do this, pass
an argument of `LIPO="xcrun lipo"` on the make command line.
make cygwinpkg
Build a Cygwin binary package.
Windows
-------
If using NMake:
cd {build_directory}
nmake installer
If using MinGW:
cd {build_directory}
make installer
If using the Visual Studio IDE, build the "installer" target.
The installer package (libjpeg-turbo-*{version}*[-gcc|-vc][64].exe) will be
located under *{build_directory}*. If building using the Visual Studio IDE,
then the installer package will be located in a subdirectory with the same name
as the configuration you built (such as *{build_directory}*\Debug\ or
*{build_directory}*\Release\).
Building a Windows installer requires the
[Nullsoft Install System](http://nsis.sourceforge.net/). makensis.exe should
be in your `PATH`.
Regression testing
==================
The most common way to test libjpeg-turbo is by invoking `make test` (Un*x) or
`nmake test` (Windows command line) or by building the "RUN_TESTS" target
(Visual Studio IDE), once the build has completed. This runs a series of tests
to ensure that mathematical compatibility has been maintained between
libjpeg-turbo and libjpeg v6b. This also invokes the TurboJPEG unit tests,
which ensure that the colorspace extensions, YUV encoding, decompression
scaling, and other features of the TurboJPEG C and Java APIs are working
properly (and, by extension, that the equivalent features of the underlying
libjpeg API are also working.)
Invoking `make testclean` (Un*x) or `nmake testclean` (Windows command line) or
building the "testclean" target (Visual Studio IDE) will clean up the output
images generated by the tests.
On Un*x platforms, more extensive tests of the TurboJPEG C and Java wrappers
can be run by invoking `make tjtest`. These extended TurboJPEG tests
essentially iterate through all of the available features of the TurboJPEG APIs
that are not covered by the TurboJPEG unit tests (including the lossless
transform options) and compare the images generated by each feature to images
generated using the equivalent feature in the libjpeg API. The extended
TurboJPEG tests are meant to test for regressions in the TurboJPEG wrappers,
not in the underlying libjpeg API library.

306
BUILDING.txt
View File

@@ -1,306 +0,0 @@
*******************************************************************************
** Building on Unix Platforms, Cygwin, and MinGW
*******************************************************************************
==================
Build Requirements
==================
-- autoconf 2.56 or later
* If using MinGW, this can be obtained by installing the MSYS DTK
-- automake 1.7 or later
* If using MinGW, this can be obtained by installing the MSYS DTK
-- libtool 1.4 or later
* If using MinGW, this can be obtained by installing the MSYS DTK
-- NASM
* 0.98 or later is required for a 32-bit build
* NASM 2.05 or later is required for a 64-bit build
* NASM 2.07 or later is required for a 64-bit build on OS/X (10.6 "Snow
Leopard" or later.) This can be obtained from MacPorts
(http://www.macports.org/).
The NASM 2.05 RPMs do not work on older Linux systems, such as Enterprise
Linux 4. On such systems, you can easily build and install NASM 2.05
from the source RPM by executing the following as root:
ARCH=`uname -m`
wget http://www.nasm.us/pub/nasm/releasebuilds/2.05.01/nasm-2.05.01-1.src.rpm
rpmbuild --rebuild nasm-2.05.01-1.src.rpm
rpm -Uvh /usr/src/redhat/RPMS/$ARCH/nasm-2.05.01-1.$ARCH.rpm
NOTE: NASM build will fail if texinfo is not installed.
-- GCC v4.1 or later recommended for best performance
======================
Building libjpeg-turbo
======================
The following procedure will build libjpeg-turbo on Linux, 32-bit OS X, and
Solaris/x86 systems (on Solaris, this generates a 32-bit library. See below
for 64-bit build instructions.)
cd libjpeg-turbo
autoreconf -fiv
sh ./configure
make
NOTE: Running autoreconf is only necessary if building libjpeg-turbo from the
SVN repository.
This will generate the following files under .libs/
libjpeg.a
Static link library for libjpeg-turbo
libjpeg.so.62.0.0 (Linux, Solaris)
libjpeg.62.dylib (OS X)
libjpeg-62.dll (MinGW)
cygjpeg-62.dll (Cygwin)
Shared library for libjpeg-turbo
libjpeg.so (Linux, Solaris)
libjpeg.dylib (OS X)
libjpeg.dll.a (Cygwin, MinGW)
Development stub for libjpeg-turbo shared library
libturbojpeg.a
Static link library for TurboJPEG/OSS
libturbojpeg.so (Linux, Solaris)
libturbojpeg.dylib (OS X)
Shared library and development stub for TurboJPEG/OSS
libturbojpeg.dll (MinGW)
cygturbojpeg.dll (Cygwin)
Shared library for TurboJPEG/OSS
libturbojpeg.dll.a (Cygwin, MinGW)
Development stub for TurboJPEG/OSS shared library
========================
Installing libjpeg-turbo
========================
If you intend to install these libraries and the associated header files, then
replace 'make' in the instructions above with
make install prefix={base dir} libdir={library directory}
For example,
make install prefix=/usr/local libdir=/usr/local/lib64
will install the header files in /usr/local/include and the library files in
/usr/local/lib64. If 'prefix' and 'libdir' are not specified, then the default
is to install the header files in /opt/libjpeg-turbo/include and the library
files in /opt/libjpeg-turbo/lib.
NOTE: You can specify a prefix of /usr and a libdir of, for instance,
/usr/lib64 to overwrite the system's version of libjpeg. If you do this,
however, then be sure to BACK UP YOUR SYSTEM'S INSTALLATION OF LIBJPEG before
overwriting it. It is recommended that you instead install libjpeg-turbo into
a non-system directory and manipulate the LD_LIBRARY_PATH or create sym links
to force applications to use libjpeg-turbo instead of libjpeg. See
README-turbo.txt for more information.
=============
Build Recipes
=============
32-bit Library Build on 64-bit Linux
------------------------------------
Add
--host i686-pc-linux-gnu CFLAGS='-O3 -m32' CXXFLAGS='-O3 -m32'
to the configure command line.
64-bit Library Build on 64-bit OS/X
-----------------------------------
Add
--host x86_64-apple-darwin10.0.0 NASM=/opt/local/bin/nasm
to the configure command line. NASM 2.07 from MacPorts must be installed.
32-bit Library Build on 64-bit OS/X
-----------------------------------
Add
CFLAGS='-O3 -m32' CXXFLAGS='-O3 -m32' LDFLAGS=-m32
to the configure command line.
32-bit Backward-Compatible Library Build on 64-bit OS/X
-------------------------------------------------------
Add
CFLAGS='-isysroot /Developer/SDKs/MacOSX10.4u.sdk \
-mmacosx-version-min=10.4 -O3 -m32' \
CXXFLAGS='-isysroot /Developer/SDKs/MacOSX10.4u.sdk \
-mmacosx-version-min=10.4 -O3 -m32' \
LDFLAGS='-isysroot /Developer/SDKs/MacOSX10.4u.sdk \
-mmacosx-version-min=10.4 -m32'
to the configure command line. The OS X 10.4 SDK must be installed.
64-bit Library Build on 64-bit Solaris
--------------------------------------
Add
--host x86_64-pc-solaris CFLAGS='-O3 -m64' CXXFLAGS='-O3 -m64' LDFLAGS=-m64
to the configure command line.
MinGW Build on Cygwin
---------------------
Add
--host mingw32
to the configure command line. This will produce libraries which do not
depend on cygwin1.dll or other Cygwin DLL's.
Sun Studio
----------
Add
CC=cc CXX=CC
to the configure command line. libjpeg-turbo will automatically be built with
the maximum optimization level (-xO5) unless you override CFLAGS and CXXFLAGS.
To build a 64-bit version of libjpeg-turbo using Sun Studio, add
--host x86_64-pc-solaris CC=cc CXX=CC CFLAGS='-xO5 -m64' \
CXXFLAGS='-xO5 -m64' LDFLAGS=-m64
to the configure command line.
*******************************************************************************
** Building on Windows (Visual C++)
*******************************************************************************
==================
Build Requirements
==================
-- GNU Make v3.7 or later
* Can be found in MSYS (http://www.mingw.org/download.shtml) or
Cygwin (http://www.cygwin.com/)
-- Windows SDK for Windows Server 2008 and .NET Framework 3.5 (or a later
version)
http://msdn.microsoft.com/en-us/windows/dd146047.aspx
* The Windows SDK includes both 32-bit and 64-bit Visual C++ compilers and
everything necessary to build libjpeg-turbo. If you do not already have
Visual C++ installed, then this is the recommended solution. Also tested
with Microsoft Visual C++ 2008 Express Edition (both are free downloads.)
* Add the compiler and SDK binary directories (for instance,
c:\Program Files\Microsoft Visual Studio 9.0\VC\BIN;
c:\Program Files\Microsoft Visual Studio 9.0\Common7\IDE;
c:\Program Files\Microsoft SDKs\Windows\v6.1\bin)
to the system or user PATH environment variable prior to building
libjpeg-turbo.
* Add the compiler and SDK include directories (for instance,
c:\Program Files\Microsoft Visual Studio 9.0\VC\INCLUDE;
c:\Program Files\Microsoft SDKs\Windows\v6.1\include)
to the system or user INCLUDE environment variable prior to building
libjpeg-turbo.
* Add the compiler library directory (for instance,
c:\Program Files\Microsoft Visual Studio 9.0\VC\LIB;
c:\Program Files\Microsoft SDKs\Windows\v6.1\lib)
to the system or user LIB environment variable prior to building
libjpeg-turbo.
-- NASM (http://www.nasm.us/) 0.98 or later
======================
Building libjpeg-turbo
======================
cd libjpeg-turbo
make -f win/Makefile
This will generate the following files under libjpeg-turbo\windows\:
jpeg-static.lib Static link library for libjpeg-turbo
jpeg62.dll Shared library for libjpeg-turbo
jpeg.lib Development stub for libjpeg-turbo shared library
turbojpeg-static.lib Static link library for TurboJPEG/OSS
turbojpeg.dll Shared library for TurboJPEG/OSS
turbojpeg.lib Development stub for TurboJPEG/OSS shared library
#If a 64-bit Windows platform is detected, then the build system will attempt
#to build a 64-bit version of libjpeg-turbo. You can override this by running
#
# make -f win/Makefile WIN64=no
NOTE: For unknown reasons, Win64 support doesn't work yet, so at the moment,
you have to run 'make -f win/Makefile WIN64=yes' to get a 64-bit build on
64-bit Windows. The paragraph above will apply once Win64 support is working.
*******************************************************************************
** Creating Release Packages
*******************************************************************************
The following commands can be used to create various types of release packages:
make rpm
Create RedHat-style binary RPM package. Requires RPM v4 or later.
make srpm
This runs 'make dist' to create a pristine source tarball, then creates a
RedHat-style source RPM package from the tarball. Requires RPM v4 or later.
make deb
Create Debian-style binary package. Requires dpkg.
make dmg
Create Macintosh package/disk image. This requires the PackageMaker
application, which must be installed in /Developer/Applications/Utilities.
make udmg
On 64-bit OS X (10.6 "Snow Leopard" or later), this creates a version of the
Macintosh package/disk image which contains universal i386/x86-64 binaries.
The 32-bit fork of these binaries is backward compatible with OS X 10.4 and
later, whereas the 64-bit fork is compatible with OS X 10.6 and later. OS X
10.4 compatibility SDK required.
make nsi
When using MinGW, this creates a Win32 installer for the GCC version of the
libjpeg-turbo SDK. This requires the Nullsoft Install System
(http://nsis.sourceforge.net/.) makensis.exe should be in your PATH.
make -f win/Makefile dist
This creates a Win32 installer for the Visual C++ version of the
libjpeg-turbo SDK. This requires the Nullsoft Install System
(http://nsis.sourceforge.net/.) makensis.exe should be in your PATH.

962
CMakeLists.txt Normal file
View File

@@ -0,0 +1,962 @@
#
# Setup
#
cmake_minimum_required(VERSION 2.8.11)
# Use LINK_INTERFACE_LIBRARIES instead of INTERFACE_LINK_LIBRARIES
if(POLICY CMP0022)
cmake_policy(SET CMP0022 OLD)
endif()
project(libjpeg-turbo C)
set(VERSION 1.5.3)
string(REPLACE "." ";" VERSION_TRIPLET ${VERSION})
list(GET VERSION_TRIPLET 0 VERSION_MAJOR)
list(GET VERSION_TRIPLET 1 VERSION_MINOR)
list(GET VERSION_TRIPLET 2 VERSION_REVISION)
function(pad_number NUMBER OUTPUT_LEN)
string(LENGTH "${${NUMBER}}" INPUT_LEN)
if(INPUT_LEN LESS OUTPUT_LEN)
math(EXPR ZEROES "${OUTPUT_LEN} - ${INPUT_LEN} - 1")
set(NUM ${${NUMBER}})
foreach(C RANGE ${ZEROES})
set(NUM "0${NUM}")
endforeach()
set(${NUMBER} ${NUM} PARENT_SCOPE)
endif()
endfunction()
pad_number(VERSION_MINOR 3)
pad_number(VERSION_REVISION 3)
set(LIBJPEG_TURBO_VERSION_NUMBER ${VERSION_MAJOR}${VERSION_MINOR}${VERSION_REVISION})
if(NOT WIN32)
message(FATAL_ERROR "Platform not supported by this build system. Use autotools instead.")
endif()
string(TIMESTAMP BUILD "%Y%m%d")
# This does nothing except when using MinGW. CMAKE_BUILD_TYPE has no meaning
# in Visual Studio, and it always defaults to Debug when using NMake.
if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE Release)
endif()
message(STATUS "CMAKE_BUILD_TYPE = ${CMAKE_BUILD_TYPE}")
# This only works if building from the command line. There is currently no way
# to set a variable's value based on the build type when using Visual Studio.
if(CMAKE_BUILD_TYPE STREQUAL "Debug")
set(BUILD "${BUILD}d")
endif()
message(STATUS "VERSION = ${VERSION}, BUILD = ${BUILD}")
option(WITH_SIMD "Include SIMD extensions" TRUE)
option(WITH_ARITH_ENC "Include arithmetic encoding support when emulating the libjpeg v6b API/ABI" TRUE)
option(WITH_ARITH_DEC "Include arithmetic decoding support when emulating the libjpeg v6b API/ABI" TRUE)
option(WITH_JPEG7 "Emulate libjpeg v7 API/ABI (this makes libjpeg-turbo backward incompatible with libjpeg v6b)" FALSE)
option(WITH_JPEG8 "Emulate libjpeg v8 API/ABI (this makes libjpeg-turbo backward incompatible with libjpeg v6b)" FALSE)
option(WITH_MEM_SRCDST "Include in-memory source/destination manager functions when emulating the libjpeg v6b or v7 API/ABI" TRUE)
option(WITH_TURBOJPEG "Include the TurboJPEG wrapper library and associated test programs" TRUE)
option(WITH_JAVA "Build Java wrapper for the TurboJPEG library" FALSE)
option(WITH_12BIT "Encode/decode JPEG images with 12-bit samples (implies WITH_SIMD=0 WITH_TURBOJPEG=0 WITH_ARITH_ENC=0 WITH_ARITH_DEC=0)" FALSE)
option(ENABLE_STATIC "Build static libraries" TRUE)
option(ENABLE_SHARED "Build shared libraries" TRUE)
if(WITH_12BIT)
set(WITH_SIMD FALSE)
set(WITH_TURBOJPEG FALSE)
set(WITH_JAVA FALSE)
set(WITH_ARITH_ENC FALSE)
set(WITH_ARITH_DEC FALSE)
set(BITS_IN_JSAMPLE 12)
message(STATUS "12-bit JPEG support enabled")
else()
set(BITS_IN_JSAMPLE 8)
endif()
if(WITH_JPEG8 OR WITH_JPEG7)
set(WITH_ARITH_ENC 1)
set(WITH_ARITH_DEC 1)
endif()
if(WITH_JPEG8)
set(WITH_MEM_SRCDST 1)
endif()
if(WITH_ARITH_ENC)
set(C_ARITH_CODING_SUPPORTED 1)
message(STATUS "Arithmetic encoding support enabled")
else()
message(STATUS "Arithmetic encoding support disabled")
endif()
if(WITH_ARITH_DEC)
set(D_ARITH_CODING_SUPPORTED 1)
message(STATUS "Arithmetic decoding support enabled")
else()
message(STATUS "Arithmetic decoding support disabled")
endif()
if(WITH_TURBOJPEG)
message(STATUS "TurboJPEG C wrapper enabled")
else()
message(STATUS "TurboJPEG C wrapper disabled")
endif()
if(WITH_JAVA)
message(STATUS "TurboJPEG Java wrapper enabled")
else()
message(STATUS "TurboJPEG Java wrapper disabled")
endif()
set(SO_AGE 0)
if(WITH_MEM_SRCDST)
set(SO_AGE 1)
endif()
set(JPEG_LIB_VERSION 62)
set(DLL_VERSION ${JPEG_LIB_VERSION})
set(FULLVERSION ${DLL_VERSION}.${SO_AGE}.0)
if(WITH_JPEG8)
set(JPEG_LIB_VERSION 80)
set(DLL_VERSION 8)
set(FULLVERSION ${DLL_VERSION}.0.2)
message(STATUS "Emulating libjpeg v8 API/ABI")
elseif(WITH_JPEG7)
set(JPEG_LIB_VERSION 70)
set(DLL_VERSION 7)
set(FULLVERSION ${DLL_VERSION}.${SO_AGE}.0)
message(STATUS "Emulating libjpeg v7 API/ABI")
endif(WITH_JPEG8)
if(WITH_MEM_SRCDST)
set(MEM_SRCDST_SUPPORTED 1)
message(STATUS "In-memory source/destination managers enabled")
else()
message(STATUS "In-memory source/destination managers disabled")
endif()
if(MSVC)
option(WITH_CRT_DLL
"Link all libjpeg-turbo libraries and executables with the C run-time DLL (msvcr*.dll) instead of the static C run-time library (libcmt*.lib.) The default is to use the C run-time DLL only with the libraries and executables that need it."
FALSE)
if(NOT WITH_CRT_DLL)
# Use the static C library for all build types
foreach(var CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO)
if(${var} MATCHES "/MD")
string(REGEX REPLACE "/MD" "/MT" ${var} "${${var}}")
endif()
endforeach()
endif()
add_definitions(-W3 -wd4996)
endif()
# Detect whether compiler is 64-bit
if(MSVC AND CMAKE_CL_64)
set(SIMD_X86_64 1)
set(64BIT 1)
elseif(CMAKE_SIZEOF_VOID_P MATCHES 8)
set(SIMD_X86_64 1)
set(64BIT 1)
endif()
if(64BIT)
message(STATUS "64-bit build")
else()
message(STATUS "32-bit build")
endif()
if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
if(MSVC)
set(CMAKE_INSTALL_PREFIX_DEFAULT ${CMAKE_PROJECT_NAME})
else()
set(CMAKE_INSTALL_PREFIX_DEFAULT ${CMAKE_PROJECT_NAME}-gcc)
endif()
if(64BIT)
set(CMAKE_INSTALL_PREFIX_DEFAULT ${CMAKE_INSTALL_PREFIX_DEFAULT}64)
endif()
set(CMAKE_INSTALL_PREFIX "c:/${CMAKE_INSTALL_PREFIX_DEFAULT}" CACHE PATH
"Directory into which to install libjpeg-turbo (default: c:/${CMAKE_INSTALL_PREFIX_DEFAULT})"
FORCE)
endif()
message(STATUS "Install directory = ${CMAKE_INSTALL_PREFIX}")
configure_file(win/jconfig.h.in jconfig.h)
configure_file(win/jconfigint.h.in jconfigint.h)
include_directories(${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_SOURCE_DIR})
string(TOUPPER ${CMAKE_BUILD_TYPE} CMAKE_BUILD_TYPE_UC)
set(EFFECTIVE_C_FLAGS "${CMAKE_C_FLAGS} ${CMAKE_C_FLAGS_${CMAKE_BUILD_TYPE_UC}}")
message(STATUS "Compiler flags = ${EFFECTIVE_C_FLAGS}")
set(EFFECTIVE_LD_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${CMAKE_EXE_LINKER_FLAGS_${CMAKE_BUILD_TYPE_UC}}")
message(STATUS "Linker flags = ${EFFECTIVE_LD_FLAGS}")
if(WITH_JAVA)
find_package(Java)
find_package(JNI)
if(DEFINED JAVACFLAGS)
message(STATUS "Java compiler flags = ${JAVACFLAGS}")
endif()
endif()
#
# Targets
#
set(JPEG_SOURCES jcapimin.c jcapistd.c jccoefct.c jccolor.c jcdctmgr.c jchuff.c
jcinit.c jcmainct.c jcmarker.c jcmaster.c jcomapi.c jcparam.c jcphuff.c
jcprepct.c jcsample.c jctrans.c jdapimin.c jdapistd.c jdatadst.c jdatasrc.c
jdcoefct.c jdcolor.c jddctmgr.c jdhuff.c jdinput.c jdmainct.c jdmarker.c
jdmaster.c jdmerge.c jdphuff.c jdpostct.c jdsample.c jdtrans.c jerror.c
jfdctflt.c jfdctfst.c jfdctint.c jidctflt.c jidctfst.c jidctint.c jidctred.c
jquant1.c jquant2.c jutils.c jmemmgr.c jmemnobs.c)
if(WITH_ARITH_ENC OR WITH_ARITH_DEC)
set(JPEG_SOURCES ${JPEG_SOURCES} jaricom.c)
endif()
if(WITH_ARITH_ENC)
set(JPEG_SOURCES ${JPEG_SOURCES} jcarith.c)
endif()
if(WITH_ARITH_DEC)
set(JPEG_SOURCES ${JPEG_SOURCES} jdarith.c)
endif()
if(WITH_SIMD)
add_definitions(-DWITH_SIMD)
add_subdirectory(simd)
if(SIMD_X86_64)
set(JPEG_SOURCES ${JPEG_SOURCES} simd/jsimd_x86_64.c)
else()
set(JPEG_SOURCES ${JPEG_SOURCES} simd/jsimd_i386.c)
endif()
# This tells CMake that the "source" files haven't been generated yet
set_source_files_properties(${SIMD_OBJS} PROPERTIES GENERATED 1)
else()
set(JPEG_SOURCES ${JPEG_SOURCES} jsimd_none.c)
message(STATUS "Not using SIMD acceleration")
endif()
if(WITH_JAVA)
add_subdirectory(java)
set(ENABLE_SHARED TRUE)
endif()
if(ENABLE_SHARED)
add_subdirectory(sharedlib)
endif()
if(ENABLE_STATIC OR WITH_TURBOJPEG)
add_library(jpeg-static STATIC ${JPEG_SOURCES} ${SIMD_OBJS})
if(NOT MSVC)
set_target_properties(jpeg-static PROPERTIES OUTPUT_NAME jpeg)
endif()
if(WITH_SIMD)
add_dependencies(jpeg-static simd)
endif()
endif()
if(WITH_TURBOJPEG)
set(TURBOJPEG_SOURCES turbojpeg.c transupp.c jdatadst-tj.c jdatasrc-tj.c)
if(WITH_JAVA)
set(TURBOJPEG_SOURCES ${TURBOJPEG_SOURCES} turbojpeg-jni.c)
include_directories(${JAVA_INCLUDE_PATH} ${JAVA_INCLUDE_PATH2})
endif()
if(ENABLE_SHARED)
add_library(turbojpeg SHARED ${TURBOJPEG_SOURCES})
set_target_properties(turbojpeg PROPERTIES DEFINE_SYMBOL DLLDEFINE)
if(MINGW)
set_target_properties(turbojpeg PROPERTIES LINK_FLAGS -Wl,--kill-at)
endif()
target_link_libraries(turbojpeg jpeg-static)
set_target_properties(turbojpeg PROPERTIES LINK_INTERFACE_LIBRARIES "")
add_executable(tjunittest tjunittest.c tjutil.c)
target_link_libraries(tjunittest turbojpeg)
add_executable(tjbench tjbench.c bmp.c tjutil.c rdbmp.c rdppm.c wrbmp.c
wrppm.c)
target_link_libraries(tjbench turbojpeg jpeg-static)
set_property(TARGET tjbench PROPERTY COMPILE_FLAGS
"-DBMP_SUPPORTED -DPPM_SUPPORTED")
endif()
if(ENABLE_STATIC)
add_library(turbojpeg-static STATIC ${JPEG_SOURCES} ${SIMD_OBJS}
turbojpeg.c transupp.c jdatadst-tj.c jdatasrc-tj.c)
if(NOT MSVC)
set_target_properties(turbojpeg-static PROPERTIES OUTPUT_NAME turbojpeg)
endif()
if(WITH_SIMD)
add_dependencies(turbojpeg-static simd)
endif()
add_executable(tjunittest-static tjunittest.c tjutil.c)
target_link_libraries(tjunittest-static turbojpeg-static)
add_executable(tjbench-static tjbench.c bmp.c tjutil.c rdbmp.c rdppm.c
wrbmp.c wrppm.c)
target_link_libraries(tjbench-static turbojpeg-static jpeg-static)
set_property(TARGET tjbench-static PROPERTY COMPILE_FLAGS
"-DBMP_SUPPORTED -DPPM_SUPPORTED")
endif()
endif()
if(WITH_12BIT)
set(COMPILE_FLAGS "-DGIF_SUPPORTED -DPPM_SUPPORTED -DUSE_SETMODE")
else()
set(COMPILE_FLAGS "-DBMP_SUPPORTED -DGIF_SUPPORTED -DPPM_SUPPORTED -DTARGA_SUPPORTED -DUSE_SETMODE")
set(CJPEG_BMP_SOURCES rdbmp.c rdtarga.c)
set(DJPEG_BMP_SOURCES wrbmp.c wrtarga.c)
endif()
if(ENABLE_STATIC)
add_executable(cjpeg-static cjpeg.c cdjpeg.c rdgif.c rdppm.c rdswitch.c
${CJPEG_BMP_SOURCES})
set_property(TARGET cjpeg-static PROPERTY COMPILE_FLAGS ${COMPILE_FLAGS})
target_link_libraries(cjpeg-static jpeg-static)
add_executable(djpeg-static djpeg.c cdjpeg.c rdcolmap.c rdswitch.c wrgif.c
wrppm.c ${DJPEG_BMP_SOURCES})
set_property(TARGET djpeg-static PROPERTY COMPILE_FLAGS ${COMPILE_FLAGS})
target_link_libraries(djpeg-static jpeg-static)
add_executable(jpegtran-static jpegtran.c cdjpeg.c rdswitch.c transupp.c)
target_link_libraries(jpegtran-static jpeg-static)
set_property(TARGET jpegtran-static PROPERTY COMPILE_FLAGS "-DUSE_SETMODE")
endif()
add_executable(rdjpgcom rdjpgcom.c)
add_executable(wrjpgcom wrjpgcom.c)
#
# Tests
#
add_subdirectory(md5)
if(MSVC_IDE)
set(OBJDIR "\${CTEST_CONFIGURATION_TYPE}/")
else()
set(OBJDIR "")
endif()
enable_testing()
if(WITH_12BIT)
set(TESTORIG testorig12.jpg)
set(MD5_JPEG_RGB_ISLOW 9620f424569594bb9242b48498ad801f)
set(MD5_PPM_RGB_ISLOW f3301d2219783b8b3d942b7239fa50c0)
set(MD5_JPEG_422_IFAST_OPT 7322e3bd2f127f7de4b40d4480ce60e4)
set(MD5_PPM_422_IFAST 79807fa552899e66a04708f533e16950)
set(MD5_PPM_422M_IFAST 07737bfe8a7c1c87aaa393a0098d16b0)
set(MD5_JPEG_420_IFAST_Q100_PROG a1da220b5604081863a504297ed59e55)
set(MD5_PPM_420_Q100_IFAST 1b3730122709f53d007255e8dfd3305e)
set(MD5_PPM_420M_Q100_IFAST 980a1a3c5bf9510022869d30b7d26566)
set(MD5_JPEG_GRAY_ISLOW 235c90707b16e2e069f37c888b2636d9)
set(MD5_PPM_GRAY_ISLOW 7213c10af507ad467da5578ca5ee1fca)
set(MD5_PPM_GRAY_ISLOW_RGB e96ee81c30a6ed422d466338bd3de65d)
set(MD5_JPEG_420S_IFAST_OPT 7af8e60be4d9c227ec63ac9b6630855e)
if(64BIT)
# Windows/x64 uses SSE for floating point
set(MD5_JPEG_3x2_FLOAT_PROG a8c17daf77b457725ec929e215b603f8)
set(MD5_PPM_3x2_FLOAT 42876ab9e5c2f76a87d08db5fbd57956)
else()
# Windows/x86 uses the 387 FPU for floating point
if(MSVC)
set(MD5_JPEG_3x2_FLOAT_PROG e27840755870fa849872e58aa0cd1400)
set(MD5_PPM_3x2_FLOAT 6c2880b83bb1aa41dfe330e7a9768690)
else()
set(MD5_JPEG_3x2_FLOAT_PROG bc6dbbefac2872f6b9d6c4a0ae60c3c0)
set(MD5_PPM_3x2_FLOAT f58119ee294198ac9b4a9f5645a34266)
endif()
endif()
set(MD5_PPM_420M_ISLOW_2_1 4ca6be2a6f326ff9eaab63e70a8259c0)
set(MD5_PPM_420M_ISLOW_15_8 12aa9f9534c1b3d7ba047322226365eb)
set(MD5_PPM_420M_ISLOW_13_8 f7e22817c7b25e1393e4ec101e9d4e96)
set(MD5_PPM_420M_ISLOW_11_8 800a16f9f4dc9b293197bfe11be10a82)
set(MD5_PPM_420M_ISLOW_9_8 06b7a92a9bc69f4dc36ec40f1937d55c)
set(MD5_PPM_420M_ISLOW_7_8 3ec444a14a4ab4eab88ffc49c48eca43)
set(MD5_PPM_420M_ISLOW_3_4 3e726b7ea872445b19437d1c1d4f0d93)
set(MD5_PPM_420M_ISLOW_5_8 a8a771abdc94301d20ffac119b2caccd)
set(MD5_PPM_420M_ISLOW_1_2 b419124dd5568b085787234866102866)
set(MD5_PPM_420M_ISLOW_3_8 343d19015531b7bbe746124127244fa8)
set(MD5_PPM_420M_ISLOW_1_4 35fd59d866e44659edfa3c18db2a3edb)
set(MD5_PPM_420M_ISLOW_1_8 ccaed48ac0aedefda5d4abe4013f4ad7)
set(MD5_PPM_420_ISLOW_SKIP15_31 86664cd9dc956536409e44e244d20a97)
set(MD5_PPM_420_ISLOW_PROG_CROP62x62_71_71 452a21656115a163029cfba5c04fa76a)
set(MD5_PPM_444_ISLOW_SKIP1_6 ef63901f71ef7a75cd78253fc0914f84)
set(MD5_PPM_444_ISLOW_PROG_CROP98x98_13_13 15b173fb5872d9575572fbcc1b05956f)
set(MD5_JPEG_CROP cdb35ff4b4519392690ea040c56ea99c)
else()
set(TESTORIG testorig.jpg)
set(MD5_JPEG_RGB_ISLOW 768e970dd57b340ff1b83c9d3d47c77b)
set(MD5_PPM_RGB_ISLOW 00a257f5393fef8821f2b88ac7421291)
set(MD5_BMP_RGB_ISLOW_565 f07d2e75073e4bb10f6c6f4d36e2e3be)
set(MD5_BMP_RGB_ISLOW_565D 4cfa0928ef3e6bb626d7728c924cfda4)
set(MD5_JPEG_422_IFAST_OPT 2540287b79d913f91665e660303ab2c8)
set(MD5_PPM_422_IFAST 35bd6b3f833bad23de82acea847129fa)
set(MD5_PPM_422M_IFAST 8dbc65323d62cca7c91ba02dd1cfa81d)
set(MD5_BMP_422M_IFAST_565 3294bd4d9a1f2b3d08ea6020d0db7065)
set(MD5_BMP_422M_IFAST_565D da98c9c7b6039511be4a79a878a9abc1)
set(MD5_JPEG_420_IFAST_Q100_PROG 990cbe0329c882420a2094da7e5adade)
set(MD5_PPM_420_Q100_IFAST 5a732542015c278ff43635e473a8a294)
set(MD5_PPM_420M_Q100_IFAST ff692ee9323a3b424894862557c092f1)
set(MD5_JPEG_GRAY_ISLOW 72b51f894b8f4a10b3ee3066770aa38d)
set(MD5_PPM_GRAY_ISLOW 8d3596c56eace32f205deccc229aa5ed)
set(MD5_PPM_GRAY_ISLOW_RGB 116424ac07b79e5e801f00508eab48ec)
set(MD5_BMP_GRAY_ISLOW_565 12f78118e56a2f48b966f792fedf23cc)
set(MD5_BMP_GRAY_ISLOW_565D bdbbd616441a24354c98553df5dc82db)
set(MD5_JPEG_420S_IFAST_OPT 388708217ac46273ca33086b22827ed8)
if(WITH_SIMD)
set(MD5_JPEG_3x2_FLOAT_PROG 343e3f8caf8af5986ebaf0bdc13b5c71)
set(MD5_PPM_3x2_FLOAT 1a75f36e5904d6fc3a85a43da9ad89bb)
else()
if(64BIT)
set(MD5_JPEG_3x2_FLOAT_PROG 9bca803d2042bd1eb03819e2bf92b3e5)
set(MD5_PPM_3x2_FLOAT f6bfab038438ed8f5522fbd33595dcdc)
else()
if(MSVC)
set(MD5_JPEG_3x2_FLOAT_PROG 7999ce9cd0ee9b6c7043b7351ab7639d)
set(MD5_PPM_3x2_FLOAT 28cdc448a6b75e97892f0e0f8d4b21f3)
else()
set(MD5_JPEG_3x2_FLOAT_PROG 1657664a410e0822c924b54f6f65e6e9)
set(MD5_PPM_3x2_FLOAT cb0a1f027f3d2917c902b5640214e025)
endif()
endif()
endif()
set(MD5_JPEG_420_ISLOW_ARI e986fb0a637a8d833d96e8a6d6d84ea1)
set(MD5_JPEG_444_ISLOW_PROGARI 0a8f1c8f66e113c3cf635df0a475a617)
set(MD5_PPM_420M_IFAST_ARI 72b59a99bcf1de24c5b27d151bde2437)
set(MD5_JPEG_420_ISLOW 9a68f56bc76e466aa7e52f415d0f4a5f)
set(MD5_PPM_420M_ISLOW_2_1 9f9de8c0612f8d06869b960b05abf9c9)
set(MD5_PPM_420M_ISLOW_15_8 b6875bc070720b899566cc06459b63b7)
set(MD5_PPM_420M_ISLOW_13_8 bc3452573c8152f6ae552939ee19f82f)
set(MD5_PPM_420M_ISLOW_11_8 d8cc73c0aaacd4556569b59437ba00a5)
set(MD5_PPM_420M_ISLOW_9_8 d25e61bc7eac0002f5b393aa223747b6)
set(MD5_PPM_420M_ISLOW_7_8 ddb564b7c74a09494016d6cd7502a946)
set(MD5_PPM_420M_ISLOW_3_4 8ed8e68808c3fbc4ea764fc9d2968646)
set(MD5_PPM_420M_ISLOW_5_8 a3363274999da2366a024efae6d16c9b)
set(MD5_PPM_420M_ISLOW_1_2 e692a315cea26b988c8e8b29a5dbcd81)
set(MD5_PPM_420M_ISLOW_3_8 79eca9175652ced755155c90e785a996)
set(MD5_PPM_420M_ISLOW_1_4 79cd778f8bf1a117690052cacdd54eca)
set(MD5_PPM_420M_ISLOW_1_8 391b3d4aca640c8567d6f8745eb2142f)
set(MD5_BMP_420_ISLOW_256 4980185e3776e89bd931736e1cddeee6)
set(MD5_BMP_420_ISLOW_565 bf9d13e16c4923b92e1faa604d7922cb)
set(MD5_BMP_420_ISLOW_565D 6bde71526acc44bcff76f696df8638d2)
set(MD5_BMP_420M_ISLOW_565 8dc0185245353cfa32ad97027342216f)
set(MD5_BMP_420M_ISLOW_565D d1be3a3339166255e76fa50a0d70d73e)
set(MD5_PPM_420_ISLOW_SKIP15_31 c4c65c1e43d7275cd50328a61e6534f0)
set(MD5_PPM_420_ISLOW_ARI_SKIP16_139 087c6b123db16ac00cb88c5b590bb74a)
set(MD5_PPM_420_ISLOW_PROG_CROP62x62_71_71 26eb36ccc7d1f0cb80cdabb0ac8b5d99)
set(MD5_PPM_420_ISLOW_ARI_CROP53x53_4_4 886c6775af22370257122f8b16207e6d)
set(MD5_PPM_444_ISLOW_SKIP1_6 5606f86874cf26b8fcee1117a0a436a6)
set(MD5_PPM_444_ISLOW_PROG_CROP98x98_13_13 db87dc7ce26bcdc7a6b56239ce2b9d6c)
set(MD5_PPM_444_ISLOW_ARI_CROP37x37_0_0 cb57b32bd6d03e35432362f7bf184b6d)
set(MD5_JPEG_CROP b4197f377e621c4e9b1d20471432610d)
endif()
if(WITH_JAVA)
add_test(TJUnitTest
${JAVA_RUNTIME} -cp java/${OBJDIR}turbojpeg.jar
-Djava.library.path=${CMAKE_CURRENT_BINARY_DIR}/${OBJDIR}
TJUnitTest)
add_test(TJUnitTest-yuv
${JAVA_RUNTIME} -cp java/${OBJDIR}turbojpeg.jar
-Djava.library.path=${CMAKE_CURRENT_BINARY_DIR}/${OBJDIR}
TJUnitTest -yuv)
add_test(TJUnitTest-yuv-nopad
${JAVA_RUNTIME} -cp java/${OBJDIR}turbojpeg.jar
-Djava.library.path=${CMAKE_CURRENT_BINARY_DIR}/${OBJDIR}
TJUnitTest -yuv -noyuvpad)
add_test(TJUnitTest-bi
${JAVA_RUNTIME} -cp java/${OBJDIR}turbojpeg.jar
-Djava.library.path=${CMAKE_CURRENT_BINARY_DIR}/${OBJDIR}
TJUnitTest -bi)
add_test(TJUnitTest-bi-yuv
${JAVA_RUNTIME} -cp java/${OBJDIR}turbojpeg.jar
-Djava.library.path=${CMAKE_CURRENT_BINARY_DIR}/${OBJDIR}
TJUnitTest -bi -yuv)
add_test(TJUnitTest-bi-yuv-nopad
${JAVA_RUNTIME} -cp java/${OBJDIR}turbojpeg.jar
-Djava.library.path=${CMAKE_CURRENT_BINARY_DIR}/${OBJDIR}
TJUnitTest -bi -yuv -noyuvpad)
endif()
set(TEST_LIBTYPES "")
if(ENABLE_SHARED)
set(TEST_LIBTYPES ${TEST_LIBTYPES} shared)
endif()
if(ENABLE_STATIC)
set(TEST_LIBTYPES ${TEST_LIBTYPES} static)
endif()
set(TESTIMAGES ${CMAKE_SOURCE_DIR}/testimages)
set(MD5CMP ${CMAKE_CURRENT_BINARY_DIR}/md5/md5cmp)
if(CMAKE_CROSSCOMPILING)
file(RELATIVE_PATH TESTIMAGES ${CMAKE_CURRENT_BINARY_DIR} ${TESTIMAGES})
file(RELATIVE_PATH MD5CMP ${CMAKE_CURRENT_BINARY_DIR} ${MD5CMP})
endif()
foreach(libtype ${TEST_LIBTYPES})
if(libtype STREQUAL "shared")
set(dir sharedlib/)
else()
set(dir "")
set(suffix -static)
endif()
if(WITH_TURBOJPEG)
add_test(tjunittest${suffix} tjunittest${suffix})
add_test(tjunittest${suffix}-alloc tjunittest${suffix} -alloc)
add_test(tjunittest${suffix}-yuv tjunittest${suffix} -yuv)
add_test(tjunittest${suffix}-yuv-alloc tjunittest${suffix} -yuv -alloc)
add_test(tjunittest${suffix}-yuv-nopad tjunittest${suffix} -yuv -noyuvpad)
endif()
# These tests are carefully chosen to provide full coverage of as many of the
# underlying algorithms as possible (including all of the SIMD-accelerated
# ones.)
# CC: null SAMP: fullsize FDCT: islow ENT: huff
add_test(cjpeg${suffix}-rgb-islow
${dir}cjpeg${suffix} -rgb -dct int
-outfile testout_rgb_islow.jpg ${TESTIMAGES}/testorig.ppm)
add_test(cjpeg${suffix}-rgb-islow-cmp
${MD5CMP} ${MD5_JPEG_RGB_ISLOW} testout_rgb_islow.jpg)
# CC: null SAMP: fullsize IDCT: islow ENT: huff
add_test(djpeg${suffix}-rgb-islow
${dir}djpeg${suffix} -dct int -ppm
-outfile testout_rgb_islow.ppm testout_rgb_islow.jpg)
add_test(djpeg${suffix}-rgb-islow-cmp
${MD5CMP} ${MD5_PPM_RGB_ISLOW} testout_rgb_islow.ppm)
if(NOT WITH_12BIT)
# CC: RGB->RGB565 SAMP: fullsize IDCT: islow ENT: huff
add_test(djpeg${suffix}-rgb-islow-565
${dir}djpeg${suffix} -dct int -rgb565 -dither none -bmp
-outfile testout_rgb_islow_565.bmp testout_rgb_islow.jpg)
add_test(djpeg${suffix}-rgb-islow-565-cmp
${MD5CMP} ${MD5_BMP_RGB_ISLOW_565} testout_rgb_islow_565.bmp)
# CC: RGB->RGB565 (dithered) SAMP: fullsize IDCT: islow ENT: huff
add_test(djpeg${suffix}-rgb-islow-565D
${dir}djpeg${suffix} -dct int -rgb565 -bmp
-outfile testout_rgb_islow_565D.bmp testout_rgb_islow.jpg)
add_test(djpeg${suffix}-rgb-islow-565D-cmp
${MD5CMP} ${MD5_BMP_RGB_ISLOW_565D} testout_rgb_islow_565D.bmp)
endif()
# CC: RGB->YCC SAMP: fullsize/h2v1 FDCT: ifast ENT: 2-pass huff
add_test(cjpeg${suffix}-422-ifast-opt
${dir}cjpeg${suffix} -sample 2x1 -dct fast -opt
-outfile testout_422_ifast_opt.jpg ${TESTIMAGES}/testorig.ppm)
add_test(cjpeg${suffix}-422-ifast-opt-cmp
${MD5CMP} ${MD5_JPEG_422_IFAST_OPT} testout_422_ifast_opt.jpg)
# CC: YCC->RGB SAMP: fullsize/h2v1 fancy IDCT: ifast ENT: huff
add_test(djpeg${suffix}-422-ifast
${dir}djpeg${suffix} -dct fast
-outfile testout_422_ifast.ppm testout_422_ifast_opt.jpg)
add_test(djpeg${suffix}-422-ifast-cmp
${MD5CMP} ${MD5_PPM_422_IFAST} testout_422_ifast.ppm)
# CC: YCC->RGB SAMP: h2v1 merged IDCT: ifast ENT: huff
add_test(djpeg${suffix}-422m-ifast
${dir}djpeg${suffix} -dct fast -nosmooth
-outfile testout_422m_ifast.ppm testout_422_ifast_opt.jpg)
add_test(djpeg${suffix}-422m-ifast-cmp
${MD5CMP} ${MD5_PPM_422M_IFAST} testout_422m_ifast.ppm)
if(NOT WITH_12BIT)
# CC: YCC->RGB565 SAMP: h2v1 merged IDCT: ifast ENT: huff
add_test(djpeg${suffix}-422m-ifast-565
${dir}djpeg${suffix} -dct int -nosmooth -rgb565 -dither none -bmp
-outfile testout_422m_ifast_565.bmp testout_422_ifast_opt.jpg)
add_test(djpeg${suffix}-422m-ifast-565-cmp
${MD5CMP} ${MD5_BMP_422M_IFAST_565} testout_422m_ifast_565.bmp)
# CC: YCC->RGB565 (dithered) SAMP: h2v1 merged IDCT: ifast ENT: huff
add_test(djpeg${suffix}-422m-ifast-565D
${dir}djpeg${suffix} -dct int -nosmooth -rgb565 -bmp
-outfile testout_422m_ifast_565D.bmp testout_422_ifast_opt.jpg)
add_test(djpeg${suffix}-422m-ifast-565D-cmp
${MD5CMP} ${MD5_BMP_422M_IFAST_565D} testout_422m_ifast_565D.bmp)
endif()
# CC: RGB->YCC SAMP: fullsize/h2v2 FDCT: ifast ENT: prog huff
add_test(cjpeg${suffix}-420-q100-ifast-prog
${dir}cjpeg${suffix} -sample 2x2 -quality 100 -dct fast -prog
-outfile testout_420_q100_ifast_prog.jpg ${TESTIMAGES}/testorig.ppm)
add_test(cjpeg${suffix}-420-q100-ifast-prog-cmp
${MD5CMP} ${MD5_JPEG_420_IFAST_Q100_PROG} testout_420_q100_ifast_prog.jpg)
# CC: YCC->RGB SAMP: fullsize/h2v2 fancy IDCT: ifast ENT: prog huff
add_test(djpeg${suffix}-420-q100-ifast-prog
${dir}djpeg${suffix} -dct fast
-outfile testout_420_q100_ifast.ppm testout_420_q100_ifast_prog.jpg)
add_test(djpeg${suffix}-420-q100-ifast-prog-cmp
${MD5CMP} ${MD5_PPM_420_Q100_IFAST} testout_420_q100_ifast.ppm)
# CC: YCC->RGB SAMP: h2v2 merged IDCT: ifast ENT: prog huff
add_test(djpeg${suffix}-420m-q100-ifast-prog
${dir}djpeg${suffix} -dct fast -nosmooth
-outfile testout_420m_q100_ifast.ppm testout_420_q100_ifast_prog.jpg)
add_test(djpeg${suffix}-420m-q100-ifast-prog-cmp
${MD5CMP} ${MD5_PPM_420M_Q100_IFAST} testout_420m_q100_ifast.ppm)
# CC: RGB->Gray SAMP: fullsize FDCT: islow ENT: huff
add_test(cjpeg${suffix}-gray-islow
${dir}cjpeg${suffix} -gray -dct int
-outfile testout_gray_islow.jpg ${TESTIMAGES}/testorig.ppm)
add_test(cjpeg${suffix}-gray-islow-cmp
${MD5CMP} ${MD5_JPEG_GRAY_ISLOW} testout_gray_islow.jpg)
# CC: Gray->Gray SAMP: fullsize IDCT: islow ENT: huff
add_test(djpeg${suffix}-gray-islow
${dir}djpeg${suffix} -dct int
-outfile testout_gray_islow.ppm testout_gray_islow.jpg)
add_test(djpeg${suffix}-gray-islow-cmp
${MD5CMP} ${MD5_PPM_GRAY_ISLOW} testout_gray_islow.ppm)
# CC: Gray->RGB SAMP: fullsize IDCT: islow ENT: huff
add_test(djpeg${suffix}-gray-islow-rgb
${dir}djpeg${suffix} -dct int -rgb
-outfile testout_gray_islow_rgb.ppm testout_gray_islow.jpg)
add_test(djpeg${suffix}-gray-islow-rgb-cmp
${MD5CMP} ${MD5_PPM_GRAY_ISLOW_RGB} testout_gray_islow_rgb.ppm)
if(NOT WITH_12BIT)
# CC: Gray->RGB565 SAMP: fullsize IDCT: islow ENT: huff
add_test(djpeg${suffix}-gray-islow-565
${dir}djpeg${suffix} -dct int -rgb565 -dither none -bmp
-outfile testout_gray_islow_565.bmp testout_gray_islow.jpg)
add_test(djpeg${suffix}-gray-islow-565-cmp
${MD5CMP} ${MD5_BMP_GRAY_ISLOW_565} testout_gray_islow_565.bmp)
# CC: Gray->RGB565 (dithered) SAMP: fullsize IDCT: islow ENT: huff
add_test(djpeg${suffix}-gray-islow-565D
${dir}djpeg${suffix} -dct int -rgb565 -bmp
-outfile testout_gray_islow_565D.bmp testout_gray_islow.jpg)
add_test(djpeg${suffix}-gray-islow-565D-cmp
${MD5CMP} ${MD5_BMP_GRAY_ISLOW_565D} testout_gray_islow_565D.bmp)
endif()
# CC: RGB->YCC SAMP: fullsize smooth/h2v2 smooth FDCT: islow
# ENT: 2-pass huff
add_test(cjpeg${suffix}-420s-ifast-opt
${dir}cjpeg${suffix} -sample 2x2 -smooth 1 -dct int -opt
-outfile testout_420s_ifast_opt.jpg ${TESTIMAGES}/testorig.ppm)
add_test(cjpeg${suffix}-420s-ifast-opt-cmp
${MD5CMP} ${MD5_JPEG_420S_IFAST_OPT} testout_420s_ifast_opt.jpg)
# CC: RGB->YCC SAMP: fullsize/int FDCT: float ENT: prog huff
add_test(cjpeg${suffix}-3x2-float-prog
${dir}cjpeg${suffix} -sample 3x2 -dct float -prog
-outfile testout_3x2_float_prog.jpg ${TESTIMAGES}/testorig.ppm)
add_test(cjpeg${suffix}-3x2-float-prog-cmp
${MD5CMP} ${MD5_JPEG_3x2_FLOAT_PROG} testout_3x2_float_prog.jpg)
# CC: YCC->RGB SAMP: fullsize/int IDCT: float ENT: prog huff
add_test(djpeg${suffix}-3x2-float-prog
${dir}djpeg${suffix} -dct float
-outfile testout_3x2_float.ppm testout_3x2_float_prog.jpg)
add_test(djpeg${suffix}-3x2-float-prog-cmp
${MD5CMP} ${MD5_PPM_3x2_FLOAT} testout_3x2_float.ppm)
if(WITH_ARITH_ENC)
# CC: YCC->RGB SAMP: fullsize/h2v2 FDCT: islow ENT: arith
add_test(cjpeg${suffix}-420-islow-ari
${dir}cjpeg${suffix} -dct int -arithmetic
-outfile testout_420_islow_ari.jpg ${TESTIMAGES}/testorig.ppm)
add_test(cjpeg${suffix}-420-islow-ari-cmp
${MD5CMP} ${MD5_JPEG_420_ISLOW_ARI} testout_420_islow_ari.jpg)
add_test(jpegtran${suffix}-420-islow-ari
${dir}jpegtran${suffix} -arithmetic
-outfile testout_420_islow_ari.jpg ${TESTIMAGES}/testimgint.jpg)
add_test(jpegtran${suffix}-420-islow-ari-cmp
${MD5CMP} ${MD5_JPEG_420_ISLOW_ARI} testout_420_islow_ari.jpg)
# CC: YCC->RGB SAMP: fullsize FDCT: islow ENT: prog arith
add_test(cjpeg${suffix}-444-islow-progari
${dir}cjpeg${suffix} -sample 1x1 -dct int -prog -arithmetic
-outfile testout_444_islow_progari.jpg ${TESTIMAGES}/testorig.ppm)
add_test(cjpeg${suffix}-444-islow-progari-cmp
${MD5CMP} ${MD5_JPEG_444_ISLOW_PROGARI} testout_444_islow_progari.jpg)
endif()
if(WITH_ARITH_DEC)
# CC: RGB->YCC SAMP: h2v2 merged IDCT: ifast ENT: arith
add_test(djpeg${suffix}-420m-ifast-ari
${dir}djpeg${suffix} -fast -ppm
-outfile testout_420m_ifast_ari.ppm ${TESTIMAGES}/testimgari.jpg)
add_test(djpeg${suffix}-420m-ifast-ari-cmp
${MD5CMP} ${MD5_PPM_420M_IFAST_ARI} testout_420m_ifast_ari.ppm)
add_test(jpegtran${suffix}-420-islow
${dir}jpegtran${suffix}
-outfile testout_420_islow.jpg ${TESTIMAGES}/testimgari.jpg)
add_test(jpegtran${suffix}-420-islow-cmp
${MD5CMP} ${MD5_JPEG_420_ISLOW} testout_420_islow.jpg)
endif()
# 2/1-- CC: YCC->RGB SAMP: h2v2 merged IDCT: 16x16 islow ENT: huff
# 15/8-- CC: YCC->RGB SAMP: h2v2 merged IDCT: 15x15 islow ENT: huff
# 13/8-- CC: YCC->RGB SAMP: h2v2 merged IDCT: 13x13 islow ENT: huff
# 11/8-- CC: YCC->RGB SAMP: h2v2 merged IDCT: 11x11 islow ENT: huff
# 9/8-- CC: YCC->RGB SAMP: h2v2 merged IDCT: 9x9 islow ENT: huff
# 7/8-- CC: YCC->RGB SAMP: h2v2 merged IDCT: 7x7 islow/14x14 islow
# ENT: huff
# 3/4-- CC: YCC->RGB SAMP: h2v2 merged IDCT: 6x6 islow/12x12 islow
# ENT: huff
# 5/8-- CC: YCC->RGB SAMP: h2v2 merged IDCT: 5x5 islow/10x10 islow
# ENT: huff
# 1/2-- CC: YCC->RGB SAMP: h2v2 merged IDCT: 4x4 islow/8x8 islow
# ENT: huff
# 3/8-- CC: YCC->RGB SAMP: h2v2 merged IDCT: 3x3 islow/6x6 islow
# ENT: huff
# 1/4-- CC: YCC->RGB SAMP: h2v2 merged IDCT: 2x2 islow/4x4 islow
# ENT: huff
# 1/8-- CC: YCC->RGB SAMP: h2v2 merged IDCT: 1x1 islow/2x2 islow
# ENT: huff
foreach(scale 2_1 15_8 13_8 11_8 9_8 7_8 3_4 5_8 1_2 3_8 1_4 1_8)
string(REGEX REPLACE "_" "/" scalearg ${scale})
add_test(djpeg${suffix}-420m-islow-${scale}
${dir}djpeg${suffix} -dct int -scale ${scalearg} -nosmooth -ppm
-outfile testout_420m_islow_${scale}.ppm ${TESTIMAGES}/${TESTORIG})
add_test(djpeg${suffix}-420m-islow-${scale}-cmp
${MD5CMP} ${MD5_PPM_420M_ISLOW_${scale}} testout_420m_islow_${scale}.ppm)
endforeach()
if(NOT WITH_12BIT)
# CC: YCC->RGB (dithered) SAMP: h2v2 fancy IDCT: islow ENT: huff
add_test(djpeg${suffix}-420-islow-256
${dir}djpeg${suffix} -dct int -colors 256 -bmp
-outfile testout_420_islow_256.bmp ${TESTIMAGES}/${TESTORIG})
add_test(djpeg${suffix}-420-islow-256-cmp
${MD5CMP} ${MD5_BMP_420_ISLOW_256} testout_420_islow_256.bmp)
# CC: YCC->RGB565 SAMP: h2v2 fancy IDCT: islow ENT: huff
add_test(djpeg${suffix}-420-islow-565
${dir}djpeg${suffix} -dct int -rgb565 -dither none -bmp
-outfile testout_420_islow_565.bmp ${TESTIMAGES}/${TESTORIG})
add_test(djpeg${suffix}-420-islow-565-cmp
${MD5CMP} ${MD5_BMP_420_ISLOW_565} testout_420_islow_565.bmp)
# CC: YCC->RGB565 (dithered) SAMP: h2v2 fancy IDCT: islow ENT: huff
add_test(djpeg${suffix}-420-islow-565D
${dir}djpeg${suffix} -dct int -rgb565 -bmp
-outfile testout_420_islow_565D.bmp ${TESTIMAGES}/${TESTORIG})
add_test(djpeg${suffix}-420-islow-565D-cmp
${MD5CMP} ${MD5_BMP_420_ISLOW_565D} testout_420_islow_565D.bmp)
# CC: YCC->RGB565 SAMP: h2v2 merged IDCT: islow ENT: huff
add_test(djpeg${suffix}-420m-islow-565
${dir}djpeg${suffix} -dct int -nosmooth -rgb565 -dither none -bmp
-outfile testout_420m_islow_565.bmp ${TESTIMAGES}/${TESTORIG})
add_test(djpeg${suffix}-420m-islow-565-cmp
${MD5CMP} ${MD5_BMP_420M_ISLOW_565} testout_420m_islow_565.bmp)
# CC: YCC->RGB565 (dithered) SAMP: h2v2 merged IDCT: islow ENT: huff
add_test(djpeg${suffix}-420m-islow-565D
${dir}djpeg${suffix} -dct int -nosmooth -rgb565 -bmp
-outfile testout_420m_islow_565D.bmp ${TESTIMAGES}/${TESTORIG})
add_test(djpeg${suffix}-420m-islow-565D-cmp
${MD5CMP} ${MD5_BMP_420M_ISLOW_565D} testout_420m_islow_565D.bmp)
endif()
# Partial decode tests. These tests are designed to cover all of the
# possible code paths in jpeg_skip_scanlines().
# Context rows: Yes Intra-iMCU row: Yes iMCU row prefetch: No ENT: huff
add_test(djpeg${suffix}-420-islow-skip15_31
${dir}djpeg${suffix} -dct int -skip 15,31 -ppm
-outfile testout_420_islow_skip15,31.ppm ${TESTIMAGES}/${TESTORIG})
add_test(djpeg${suffix}-420-islow-skip15_31-cmp
${MD5CMP} ${MD5_PPM_420_ISLOW_SKIP15_31} testout_420_islow_skip15,31.ppm)
# Context rows: Yes Intra-iMCU row: No iMCU row prefetch: Yes ENT: arith
if(WITH_ARITH_DEC)
add_test(djpeg${suffix}-420-islow-ari-skip16_139
${dir}djpeg${suffix} -dct int -skip 16,139 -ppm
-outfile testout_420_islow_ari_skip16,139.ppm
${TESTIMAGES}/testimgari.jpg)
add_test(djpeg${suffix}-420-islow-ari_skip16_139-cmp
${MD5CMP} ${MD5_PPM_420_ISLOW_ARI_SKIP16_139}
testout_420_islow_ari_skip16,139.ppm)
endif()
# Context rows: Yes Intra-iMCU row: No iMCU row prefetch: No ENT: prog huff
add_test(cjpeg${suffix}-420-islow-prog
${dir}cjpeg${suffix} -dct int -prog
-outfile testout_420_islow_prog.jpg ${TESTIMAGES}/testorig.ppm)
add_test(djpeg${suffix}-420-islow-prog-crop62x62_71_71
${dir}djpeg${suffix} -dct int -crop 62x62+71+71 -ppm
-outfile testout_420_islow_prog_crop62x62,71,71.ppm
testout_420_islow_prog.jpg)
add_test(djpeg${suffix}-420-islow-prog-crop62x62_71_71-cmp
${MD5CMP} ${MD5_PPM_420_ISLOW_PROG_CROP62x62_71_71}
testout_420_islow_prog_crop62x62,71,71.ppm)
# Context rows: Yes Intra-iMCU row: No iMCU row prefetch: No ENT: arith
if(WITH_ARITH_DEC)
add_test(djpeg${suffix}-420-islow-ari-crop53x53_4_4
${dir}djpeg${suffix} -dct int -crop 53x53+4+4 -ppm
-outfile testout_420_islow_ari_crop53x53,4,4.ppm
${TESTIMAGES}/testimgari.jpg)
add_test(djpeg${suffix}-420-islow-ari-crop53x53_4_4-cmp
${MD5CMP} ${MD5_PPM_420_ISLOW_ARI_CROP53x53_4_4}
testout_420_islow_ari_crop53x53,4,4.ppm)
endif()
# Context rows: No Intra-iMCU row: Yes ENT: huff
add_test(cjpeg${suffix}-444-islow
${dir}cjpeg${suffix} -dct int -sample 1x1
-outfile testout_444_islow.jpg ${TESTIMAGES}/testorig.ppm)
add_test(djpeg${suffix}-444-islow-skip1_6
${dir}djpeg${suffix} -dct int -skip 1,6 -ppm
-outfile testout_444_islow_skip1,6.ppm testout_444_islow.jpg)
add_test(djpeg${suffix}-444-islow-skip1_6-cmp
${MD5CMP} ${MD5_PPM_444_ISLOW_SKIP1_6} testout_444_islow_skip1,6.ppm)
# Context rows: No Intra-iMCU row: No ENT: prog huff
add_test(cjpeg${suffix}-444-islow-prog
${dir}cjpeg${suffix} -dct int -prog -sample 1x1
-outfile testout_444_islow_prog.jpg ${TESTIMAGES}/testorig.ppm)
add_test(djpeg${suffix}-444-islow-prog-crop98x98_13_13
${dir}djpeg${suffix} -dct int -crop 98x98+13+13 -ppm
-outfile testout_444_islow_prog_crop98x98,13,13.ppm
testout_444_islow_prog.jpg)
add_test(djpeg${suffix}-444-islow-prog_crop98x98_13_13-cmp
${MD5CMP} ${MD5_PPM_444_ISLOW_PROG_CROP98x98_13_13}
testout_444_islow_prog_crop98x98,13,13.ppm)
# Context rows: No Intra-iMCU row: No ENT: arith
if(WITH_ARITH_ENC)
add_test(cjpeg${suffix}-444-islow-ari
${dir}cjpeg${suffix} -dct int -arithmetic -sample 1x1
-outfile testout_444_islow_ari.jpg ${TESTIMAGES}/testorig.ppm)
if(WITH_ARITH_DEC)
add_test(djpeg${suffix}-444-islow-ari-crop37x37_0_0
${dir}djpeg${suffix} -dct int -crop 37x37+0+0 -ppm
-outfile testout_444_islow_ari_crop37x37,0,0.ppm
testout_444_islow_ari.jpg)
add_test(djpeg${suffix}-444-islow-ari-crop37x37_0_0-cmp
${MD5CMP} ${MD5_PPM_444_ISLOW_ARI_CROP37x37_0_0}
testout_444_islow_ari_crop37x37,0,0.ppm)
endif()
endif()
add_test(jpegtran${suffix}-crop
${dir}jpegtran${suffix} -crop 120x90+20+50 -transpose -perfect
-outfile testout_crop.jpg ${TESTIMAGES}/${TESTORIG})
add_test(jpegtran${suffix}-crop-cmp
${MD5CMP} ${MD5_JPEG_CROP} testout_crop.jpg)
endforeach()
add_custom_target(testclean COMMAND ${CMAKE_COMMAND} -P
${CMAKE_SOURCE_DIR}/cmakescripts/testclean.cmake)
#
# Installer
#
if(MSVC)
set(INST_PLATFORM "Visual C++")
set(INST_NAME ${CMAKE_PROJECT_NAME}-${VERSION}-vc)
set(INST_REG_NAME ${CMAKE_PROJECT_NAME})
elseif(MINGW)
set(INST_PLATFORM GCC)
set(INST_NAME ${CMAKE_PROJECT_NAME}-${VERSION}-gcc)
set(INST_REG_NAME ${CMAKE_PROJECT_NAME}-gcc)
set(INST_DEFS -DGCC)
endif()
if(64BIT)
set(INST_PLATFORM "${INST_PLATFORM} 64-bit")
set(INST_NAME ${INST_NAME}64)
set(INST_REG_NAME ${INST_DIR}64)
set(INST_DEFS ${INST_DEFS} -DWIN64)
endif()
if(WITH_JAVA)
set(INST_DEFS ${INST_DEFS} -DJAVA)
endif()
if(MSVC_IDE)
set(INST_DEFS ${INST_DEFS} "-DBUILDDIR=${CMAKE_CFG_INTDIR}\\")
else()
set(INST_DEFS ${INST_DEFS} "-DBUILDDIR=")
endif()
STRING(REGEX REPLACE "/" "\\\\" INST_DIR ${CMAKE_INSTALL_PREFIX})
configure_file(release/libjpeg-turbo.nsi.in libjpeg-turbo.nsi @ONLY)
if(WITH_JAVA)
set(JAVA_DEPEND java)
endif()
add_custom_target(installer
makensis -nocd ${INST_DEFS} libjpeg-turbo.nsi
DEPENDS jpeg jpeg-static turbojpeg turbojpeg-static rdjpgcom wrjpgcom
cjpeg djpeg jpegtran tjbench ${JAVA_DEPEND}
SOURCES libjpeg-turbo.nsi)
if(WITH_TURBOJPEG)
if(ENABLE_SHARED)
install(TARGETS turbojpeg tjbench
ARCHIVE DESTINATION lib
LIBRARY DESTINATION lib
RUNTIME DESTINATION bin)
endif()
if(ENABLE_STATIC)
install(TARGETS turbojpeg-static ARCHIVE DESTINATION lib)
if(NOT ENABLE_SHARED)
install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/tjbench-static.exe
DESTINATION bin RENAME tjbench.exe)
endif()
endif()
install(FILES ${CMAKE_SOURCE_DIR}/turbojpeg.h DESTINATION include)
endif()
if(ENABLE_STATIC)
install(TARGETS jpeg-static ARCHIVE DESTINATION lib)
if(NOT ENABLE_SHARED)
install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/cjpeg-static.exe
DESTINATION bin RENAME cjpeg.exe)
install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/djpeg-static.exe
DESTINATION bin RENAME djpeg.exe)
install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/jpegtran-static.exe
DESTINATION bin RENAME jpegtran.exe)
endif()
endif()
install(TARGETS rdjpgcom wrjpgcom RUNTIME DESTINATION bin)
install(FILES ${CMAKE_SOURCE_DIR}/README.ijg ${CMAKE_SOURCE_DIR}/README.md
${CMAKE_SOURCE_DIR}/example.c ${CMAKE_SOURCE_DIR}/libjpeg.txt
${CMAKE_SOURCE_DIR}/structure.txt ${CMAKE_SOURCE_DIR}/usage.txt
${CMAKE_SOURCE_DIR}/wizard.txt
DESTINATION doc)
install(FILES ${CMAKE_BINARY_DIR}/jconfig.h ${CMAKE_SOURCE_DIR}/jerror.h
${CMAKE_SOURCE_DIR}/jmorecfg.h ${CMAKE_SOURCE_DIR}/jpeglib.h
DESTINATION include)
configure_file("${CMAKE_SOURCE_DIR}/cmakescripts/cmake_uninstall.cmake.in"
"cmake_uninstall.cmake" IMMEDIATE @ONLY)
add_custom_target(uninstall COMMAND ${CMAKE_COMMAND} -P cmake_uninstall.cmake)

1151
ChangeLog.md Normal file
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File diff suppressed because it is too large Load Diff

504
LGPL.txt
View File

@@ -1,504 +0,0 @@
GNU LESSER GENERAL PUBLIC LICENSE
Version 2.1, February 1999
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59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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That's all there is to it!

139
LICENSE.md Normal file
View File

@@ -0,0 +1,139 @@
libjpeg-turbo Licenses
======================
libjpeg-turbo is covered by three compatible BSD-style open source licenses:
- The IJG (Independent JPEG Group) License, which is listed in
[README.ijg](README.ijg)
This license applies to the libjpeg API library and associated programs
(any code inherited from libjpeg, and any modifications to that code.)
- The Modified (3-clause) BSD License, which is listed below
This license covers the TurboJPEG API library and associated programs.
- The zlib License, which is listed below
This license is a subset of the other two, and it covers the libjpeg-turbo
SIMD extensions.
Complying with the libjpeg-turbo Licenses
=========================================
This section provides a roll-up of the libjpeg-turbo licensing terms, to the
best of our understanding.
1. If you are distributing a modified version of the libjpeg-turbo source,
then:
1. You cannot alter or remove any existing copyright or license notices
from the source.
**Origin**
- Clause 1 of the IJG License
- Clause 1 of the Modified BSD License
- Clauses 1 and 3 of the zlib License
2. You must add your own copyright notice to the header of each source
file you modified, so others can tell that you modified that file (if
there is not an existing copyright header in that file, then you can
simply add a notice stating that you modified the file.)
**Origin**
- Clause 1 of the IJG License
- Clause 2 of the zlib License
3. You must include the IJG README file, and you must not alter any of the
copyright or license text in that file.
**Origin**
- Clause 1 of the IJG License
2. If you are distributing only libjpeg-turbo binaries without the source, or
if you are distributing an application that statically links with
libjpeg-turbo, then:
1. Your product documentation must include a message stating:
This software is based in part on the work of the Independent JPEG
Group.
**Origin**
- Clause 2 of the IJG license
2. If your binary distribution includes or uses the TurboJPEG API, then
your product documentation must include the text of the Modified BSD
License.
**Origin**
- Clause 2 of the Modified BSD License
3. You cannot use the name of the IJG or The libjpeg-turbo Project or the
contributors thereof in advertising, publicity, etc.
**Origin**
- IJG License
- Clause 3 of the Modified BSD License
4. The IJG and The libjpeg-turbo Project do not warrant libjpeg-turbo to be
free of defects, nor do we accept any liability for undesirable
consequences resulting from your use of the software.
**Origin**
- IJG License
- Modified BSD License
- zlib License
The Modified (3-clause) BSD License
===================================
Copyright (C)\<YEAR\> \<AUTHOR\>. All Rights Reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
- Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
- Neither the name of the libjpeg-turbo Project nor the names of its
contributors may be used to endorse or promote products derived from this
software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
The zlib License
================
Copyright (C) \<YEAR\>, \<AUTHOR\>.
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.

53
LICENSE.txt
View File

@@ -1,53 +0,0 @@
wxWindows Library Licence, Version 3.1
======================================
Copyright (C) 1998-2005 Julian Smart, Robert Roebling et al
Everyone is permitted to copy and distribute verbatim copies
of this licence document, but changing it is not allowed.
WXWINDOWS LIBRARY LICENCE
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
This library is free software; you can redistribute it and/or modify it
under the terms of the GNU Library General Public Licence as published by
the Free Software Foundation; either version 2 of the Licence, or (at
your option) any later version.
This library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library
General Public Licence for more details.
You should have received a copy of the GNU Library General Public Licence
along with this software, usually in a file named COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
Boston, MA 02111-1307 USA.
EXCEPTION NOTICE
1. As a special exception, the copyright holders of this library give
permission for additional uses of the text contained in this release of
the library as licenced under the wxWindows Library Licence, applying
either version 3.1 of the Licence, or (at your option) any later version of
the Licence as published by the copyright holders of version
3.1 of the Licence document.
2. The exception is that you may use, copy, link, modify and distribute
under your own terms, binary object code versions of works based
on the Library.
3. If you copy code from files distributed under the terms of the GNU
General Public Licence or the GNU Library General Public Licence into a
copy of this library, as this licence permits, the exception does not
apply to the code that you add in this way. To avoid misleading anyone as
to the status of such modified files, you must delete this exception
notice from such code and/or adjust the licensing conditions notice
accordingly.
4. If you write modifications of your own for this library, it is your
choice whether to permit this exception to apply to your modifications.
If you do not wish that, you must delete the exception notice from such
code and/or adjust the licensing conditions notice accordingly.

819
Makefile.am
View File

@@ -1,11 +1,24 @@
lib_LTLIBRARIES = libjpeg.la libturbojpeg.la
libjpeg_la_LDFLAGS = -version-number 62:0:0 -no-undefined
libturbojpeg_la_LDFLAGS = -avoid-version -no-undefined
include_HEADERS = jerror.h jmorecfg.h jpeglib.h turbojpeg.h
lib_LTLIBRARIES = libjpeg.la
libjpeg_la_LDFLAGS = -version-info ${LIBTOOL_CURRENT}:${SO_MINOR_VERSION}:${SO_AGE} -no-undefined
include_HEADERS = jerror.h jmorecfg.h jpeglib.h
if WITH_TURBOJPEG
lib_LTLIBRARIES += libturbojpeg.la
libturbojpeg_la_LDFLAGS = -version-info 1:0:1 -no-undefined
include_HEADERS += turbojpeg.h
endif
nodist_include_HEADERS = jconfig.h
pkgconfigdir = $(libdir)/pkgconfig
pkgconfig_DATA = pkgscripts/libjpeg.pc
if WITH_TURBOJPEG
pkgconfig_DATA += pkgscripts/libturbojpeg.pc
endif
HDRS = jchuff.h jdct.h jdhuff.h jerror.h jinclude.h jmemsys.h jmorecfg.h \
jpegint.h jpeglib.h jversion.h jsimd.h jsimddct.h
jpegint.h jpeglib.h jversion.h jsimd.h jsimddct.h jpegcomp.h \
jpeg_nbits_table.h
libjpeg_la_SOURCES = $(HDRS) jcapimin.c jcapistd.c jccoefct.c jccolor.c \
jcdctmgr.c jchuff.c jcinit.c jcmainct.c jcmarker.c jcmaster.c \
@@ -16,18 +29,56 @@ libjpeg_la_SOURCES = $(HDRS) jcapimin.c jcapistd.c jccoefct.c jccolor.c \
jfdctflt.c jfdctfst.c jfdctint.c jidctflt.c jidctfst.c jidctint.c \
jidctred.c jquant1.c jquant2.c jutils.c jmemmgr.c jmemnobs.c
libturbojpeg_la_SOURCES = $(libjpeg_la_SOURCES) turbojpegl.c turbojpeg.h \
turbojpeg-mapfile
if WITH_ARITH
libjpeg_la_SOURCES += jaricom.c
endif
if VERSION_SCRIPT
if WITH_ARITH_ENC
libjpeg_la_SOURCES += jcarith.c
endif
libturbojpeg_la_LDFLAGS += $(VERSION_SCRIPT_FLAG)$(srcdir)/turbojpeg-mapfile
if WITH_ARITH_DEC
libjpeg_la_SOURCES += jdarith.c
endif
SUBDIRS = java
if WITH_TURBOJPEG
libturbojpeg_la_SOURCES = $(libjpeg_la_SOURCES) turbojpeg.c turbojpeg.h \
transupp.c transupp.h jdatadst-tj.c jdatasrc-tj.c
if WITH_JAVA
libturbojpeg_la_SOURCES += turbojpeg-jni.c
libturbojpeg_la_CFLAGS = ${JNI_CFLAGS}
TJMAPFILE = turbojpeg-mapfile.jni
else
TJMAPFILE = turbojpeg-mapfile
endif
libturbojpeg_la_SOURCES += $(TJMAPFILE)
if VERSION_SCRIPT
libturbojpeg_la_LDFLAGS += $(VERSION_SCRIPT_FLAG)$(srcdir)/$(TJMAPFILE)
endif
endif
if VERSION_SCRIPT
libjpeg_la_LDFLAGS += $(VERSION_SCRIPT_FLAG)libjpeg.map
endif
if WITH_SIMD
SUBDIRS = simd
SUBDIRS += simd
libjpeg_la_LIBADD = simd/libsimd.la
libturbojpeg_la_LIBADD = simd/libsimd.la
@@ -37,33 +88,59 @@ libjpeg_la_SOURCES += jsimd_none.c
endif
TSTHDRS = rrutil.h rrtimer.h
noinst_PROGRAMS = jpgtest jpegut cjpeg djpeg jpegtran rdjpgcom wrjpgcom
bin_PROGRAMS = cjpeg djpeg jpegtran rdjpgcom wrjpgcom
noinst_PROGRAMS = jcstest
jpgtest_SOURCES = $(TSTHDRS) jpgtest.cxx bmp.h bmp.c
jpgtest_LDADD = libturbojpeg.la
if WITH_TURBOJPEG
jpegut_SOURCES = $(TSTHDRS) jpegut.c bmp.h bmp.c
bin_PROGRAMS += tjbench
jpegut_LDADD = libturbojpeg.la
noinst_PROGRAMS += tjunittest
cjpeg_SOURCES = cdjpeg.h cderror.h cdjpeg.c cjpeg.c rdbmp.c rdgif.c \
rdppm.c rdswitch.c rdtarga.c
tjbench_SOURCES = tjbench.c bmp.h bmp.c tjutil.h tjutil.c rdbmp.c rdppm.c \
wrbmp.c wrppm.c
tjbench_LDADD = libturbojpeg.la libjpeg.la -lm
tjbench_CFLAGS = -DBMP_SUPPORTED -DPPM_SUPPORTED
tjunittest_SOURCES = tjunittest.c tjutil.h tjutil.c
tjunittest_LDADD = libturbojpeg.la
endif
cjpeg_SOURCES = cdjpeg.h cderror.h cdjpeg.c cjpeg.c rdgif.c rdppm.c rdswitch.c
if WITH_12BIT
else
cjpeg_SOURCES += rdbmp.c rdtarga.c
endif
cjpeg_LDADD = libjpeg.la
cjpeg_CFLAGS = -DBMP_SUPPORTED -DGIF_SUPPORTED -DPPM_SUPPORTED \
-DTARGA_SUPPORTED
cjpeg_CFLAGS = -DGIF_SUPPORTED -DPPM_SUPPORTED
if WITH_12BIT
else
cjpeg_CFLAGS += -DBMP_SUPPORTED -DTARGA_SUPPORTED
endif
djpeg_SOURCES = cdjpeg.h cderror.h cdjpeg.c djpeg.c rdcolmap.c rdswitch.c \
wrbmp.c wrgif.c wrppm.c wrtarga.c
wrgif.c wrppm.c
if WITH_12BIT
else
djpeg_SOURCES += wrbmp.c wrtarga.c
endif
djpeg_LDADD = libjpeg.la
djpeg_CFLAGS = -DBMP_SUPPORTED -DGIF_SUPPORTED -DPPM_SUPPORTED \
-DTARGA_SUPPORTED
djpeg_CFLAGS = -DGIF_SUPPORTED -DPPM_SUPPORTED
if WITH_12BIT
else
djpeg_CFLAGS += -DBMP_SUPPORTED -DTARGA_SUPPORTED
endif
jpegtran_SOURCES = jpegtran.c rdswitch.c cdjpeg.c transupp.c transupp.h
@@ -77,95 +154,641 @@ wrjpgcom_SOURCES = wrjpgcom.c
wrjpgcom_LDADD = libjpeg.la
jcstest_SOURCES = jcstest.c
DISTMANS= cjpeg.1 djpeg.1 jpegtran.1 rdjpgcom.1 wrjpgcom.1
jcstest_LDADD = libjpeg.la
DOCS= README install.doc usage.doc wizard.doc example.c libjpeg.doc \
structure.doc coderules.doc filelist.doc jconfig.doc change.log \
README-turbo.txt rdrle.c wrrle.c LICENSE.txt LGPL.txt BUILDING.txt
dist_man1_MANS = cjpeg.1 djpeg.1 jpegtran.1 rdjpgcom.1 wrjpgcom.1
TESTFILES= testorig.jpg testorig.ppm testimg.bmp testimgflt.jpg \
testimgfst.jpg testimgint.jpg testimgp.jpg testimgfst.ppm testimgint.ppm
DOCS= coderules.txt jconfig.txt change.log rdrle.c wrrle.c BUILDING.md \
ChangeLog.md
EXTRA_DIST = win release $(DOCS) $(DISTMANS) $(TESTFILES)
dist_doc_DATA = README.ijg README.md libjpeg.txt structure.txt usage.txt \
wizard.txt LICENSE.md
exampledir = $(docdir)
dist_example_DATA = example.c
EXTRA_DIST = win release $(DOCS) testimages CMakeLists.txt \
sharedlib/CMakeLists.txt cmakescripts libjpeg.map.in doc doxygen.config \
doxygen-extra.css jccolext.c jdcolext.c jdcol565.c jdmrgext.c jdmrg565.c \
jstdhuff.c jdcoefct.h jdmainct.h jdmaster.h jdsample.h \
md5/CMakeLists.txt
dist-hook:
rm -rf `find $(distdir) -name .svn`
test: testclean cjpeg djpeg jpegtran jpegut
./jpegut
./cjpeg -dct int -outfile testoutint.jpg $(srcdir)/testorig.ppm
./cjpeg -dct fast -opt -outfile testoutfst.jpg $(srcdir)/testorig.ppm
./cjpeg -dct float -outfile testoutflt.jpg $(srcdir)/testorig.ppm
cmp $(srcdir)/testimgint.jpg testoutint.jpg
cmp $(srcdir)/testimgfst.jpg testoutfst.jpg
cmp $(srcdir)/testimgflt.jpg testoutflt.jpg
./djpeg -dct int -fast -ppm -outfile testoutint.ppm $(srcdir)/testorig.jpg
./djpeg -dct fast -ppm -outfile testoutfst.ppm $(srcdir)/testorig.jpg
./djpeg -dct float -ppm -outfile testoutflt.ppm $(srcdir)/testorig.jpg
cmp $(srcdir)/testimgint.ppm testoutint.ppm
cmp $(srcdir)/testimgfst.ppm testoutfst.ppm
cmp $(srcdir)/testorig.ppm testoutflt.ppm
./djpeg -dct int -bmp -colors 256 -outfile testout.bmp $(srcdir)/testorig.jpg
cmp $(srcdir)/testimg.bmp testout.bmp
./cjpeg -dct int -progressive -outfile testoutp.jpg $(srcdir)/testorig.ppm
cmp $(srcdir)/testimgp.jpg testoutp.jpg
./jpegtran -outfile testoutt.jpg testoutp.jpg
cmp $(srcdir)/testimgint.jpg testoutt.jpg
SUBDIRS += md5
testclean:
$(RM) testout*
$(RM) *_GRAYQ[0-9]*.bmp
$(RM) *_GRAYQ[0-9]*.ppm
$(RM) *_GRAYQ[0-9]*.jpg
$(RM) *_420Q[0-9]*.bmp
$(RM) *_420Q[0-9]*.ppm
$(RM) *_420Q[0-9]*.jpg
$(RM) *_422Q[0-9]*.bmp
$(RM) *_422Q[0-9]*.ppm
$(RM) *_422Q[0-9]*.jpg
$(RM) *_444Q[0-9]*.bmp
$(RM) *_444Q[0-9]*.ppm
$(RM) *_444Q[0-9]*.jpg
if WITH_12BIT
rpm: all
sh $(srcdir)/release/makerpm ${PACKAGE_NAME} ${VERSION} ${BUILD} \
${RPMARCH} ${srcdir}
srpm: dist-gzip
sh $(srcdir)/release/makesrpm ${PACKAGE_NAME} ${VERSION} ${BUILD} ${srcdir}
deb: all
sh $(srcdir)/release/makedpkg ${PACKAGE_NAME} ${VERSION} ${BUILD} \
${DEBARCH} ${srcdir}
if X86_64
udmg: all
sh $(srcdir)/release/makemacpkg ${PACKAGE_NAME} ${VERSION} ${BUILD} \
${srcdir} universal
endif
dmg: all
sh $(srcdir)/release/makemacpkg ${PACKAGE_NAME} ${VERSION} ${BUILD} ${srcdir}
if X86_64
sunpkg: all
sh $(srcdir)/release/makesunpkg ${PACKAGE_NAME} ${VERSION} ${BUILD} \
${DEBARCH} ${srcdir} $(CC) $(CXX) combined
TESTORIG = testorig12.jpg
MD5_JPEG_RGB_ISLOW = 9620f424569594bb9242b48498ad801f
MD5_PPM_RGB_ISLOW = f3301d2219783b8b3d942b7239fa50c0
MD5_JPEG_422_IFAST_OPT = 7322e3bd2f127f7de4b40d4480ce60e4
MD5_PPM_422_IFAST = 79807fa552899e66a04708f533e16950
MD5_PPM_422M_IFAST = 07737bfe8a7c1c87aaa393a0098d16b0
MD5_JPEG_420_IFAST_Q100_PROG = a1da220b5604081863a504297ed59e55
MD5_PPM_420_Q100_IFAST = 1b3730122709f53d007255e8dfd3305e
MD5_PPM_420M_Q100_IFAST = 980a1a3c5bf9510022869d30b7d26566
MD5_JPEG_GRAY_ISLOW = 235c90707b16e2e069f37c888b2636d9
MD5_PPM_GRAY_ISLOW = 7213c10af507ad467da5578ca5ee1fca
MD5_PPM_GRAY_ISLOW_RGB = e96ee81c30a6ed422d466338bd3de65d
MD5_JPEG_420S_IFAST_OPT = 7af8e60be4d9c227ec63ac9b6630855e
MD5_JPEG_3x2_FLOAT_PROG_SSE = a8c17daf77b457725ec929e215b603f8
MD5_PPM_3x2_FLOAT_SSE = 42876ab9e5c2f76a87d08db5fbd57956
MD5_JPEG_3x2_FLOAT_PROG_32BIT = a8c17daf77b457725ec929e215b603f8
MD5_PPM_3x2_FLOAT_32BIT = 42876ab9e5c2f76a87d08db5fbd57956
MD5_PPM_3x2_FLOAT_64BIT = d6fbc71153b3d8ded484dbc17c7b9cf4
MD5_JPEG_3x2_FLOAT_PROG_387 = bc6dbbefac2872f6b9d6c4a0ae60c3c0
MD5_PPM_3x2_FLOAT_387 = bcc5723c61560463ac60f772e742d092
MD5_JPEG_3x2_IFAST_PROG = 1396cc2b7185cfe943d408c9d305339e
MD5_PPM_3x2_IFAST = 3975985ef6eeb0a2cdc58daa651ccc00
MD5_PPM_420M_ISLOW_2_1 = 4ca6be2a6f326ff9eaab63e70a8259c0
MD5_PPM_420M_ISLOW_15_8 = 12aa9f9534c1b3d7ba047322226365eb
MD5_PPM_420M_ISLOW_13_8 = f7e22817c7b25e1393e4ec101e9d4e96
MD5_PPM_420M_ISLOW_11_8 = 800a16f9f4dc9b293197bfe11be10a82
MD5_PPM_420M_ISLOW_9_8 = 06b7a92a9bc69f4dc36ec40f1937d55c
MD5_PPM_420M_ISLOW_7_8 = 3ec444a14a4ab4eab88ffc49c48eca43
MD5_PPM_420M_ISLOW_3_4 = 3e726b7ea872445b19437d1c1d4f0d93
MD5_PPM_420M_ISLOW_5_8 = a8a771abdc94301d20ffac119b2caccd
MD5_PPM_420M_ISLOW_1_2 = b419124dd5568b085787234866102866
MD5_PPM_420M_ISLOW_3_8 = 343d19015531b7bbe746124127244fa8
MD5_PPM_420M_ISLOW_1_4 = 35fd59d866e44659edfa3c18db2a3edb
MD5_PPM_420M_ISLOW_1_8 = ccaed48ac0aedefda5d4abe4013f4ad7
MD5_PPM_420_ISLOW_SKIP15_31 = 86664cd9dc956536409e44e244d20a97
MD5_PPM_420_ISLOW_PROG_CROP62x62_71_71 = 452a21656115a163029cfba5c04fa76a
MD5_PPM_444_ISLOW_SKIP1_6 = ef63901f71ef7a75cd78253fc0914f84
MD5_PPM_444_ISLOW_PROG_CROP98x98_13_13 = 15b173fb5872d9575572fbcc1b05956f
MD5_JPEG_CROP = cdb35ff4b4519392690ea040c56ea99c
else
sunpkg: all
sh $(srcdir)/release/makesunpkg ${PACKAGE_NAME} ${VERSION} ${BUILD} \
${DEBARCH} ${srcdir} $(CC) $(CXX)
TESTORIG = testorig.jpg
MD5_JPEG_RGB_ISLOW = 768e970dd57b340ff1b83c9d3d47c77b
MD5_PPM_RGB_ISLOW = 00a257f5393fef8821f2b88ac7421291
MD5_BMP_RGB_ISLOW_565 = f07d2e75073e4bb10f6c6f4d36e2e3be
MD5_BMP_RGB_ISLOW_565D = 4cfa0928ef3e6bb626d7728c924cfda4
MD5_JPEG_422_IFAST_OPT = 2540287b79d913f91665e660303ab2c8
MD5_PPM_422_IFAST = 35bd6b3f833bad23de82acea847129fa
MD5_PPM_422M_IFAST = 8dbc65323d62cca7c91ba02dd1cfa81d
MD5_BMP_422M_IFAST_565 = 3294bd4d9a1f2b3d08ea6020d0db7065
MD5_BMP_422M_IFAST_565D = da98c9c7b6039511be4a79a878a9abc1
MD5_JPEG_420_IFAST_Q100_PROG = 990cbe0329c882420a2094da7e5adade
MD5_PPM_420_Q100_IFAST = 5a732542015c278ff43635e473a8a294
MD5_PPM_420M_Q100_IFAST = ff692ee9323a3b424894862557c092f1
MD5_JPEG_GRAY_ISLOW = 72b51f894b8f4a10b3ee3066770aa38d
MD5_PPM_GRAY_ISLOW = 8d3596c56eace32f205deccc229aa5ed
MD5_PPM_GRAY_ISLOW_RGB = 116424ac07b79e5e801f00508eab48ec
MD5_BMP_GRAY_ISLOW_565 = 12f78118e56a2f48b966f792fedf23cc
MD5_BMP_GRAY_ISLOW_565D = bdbbd616441a24354c98553df5dc82db
MD5_JPEG_420S_IFAST_OPT = 388708217ac46273ca33086b22827ed8
# See README.md for more details on why this next bit is necessary.
MD5_JPEG_3x2_FLOAT_PROG_SSE = 343e3f8caf8af5986ebaf0bdc13b5c71
MD5_PPM_3x2_FLOAT_SSE = 1a75f36e5904d6fc3a85a43da9ad89bb
MD5_JPEG_3x2_FLOAT_PROG_32BIT = 9bca803d2042bd1eb03819e2bf92b3e5
MD5_PPM_3x2_FLOAT_32BIT = f6bfab038438ed8f5522fbd33595dcdc
MD5_PPM_3x2_FLOAT_64BIT = 0e917a34193ef976b679a6b069b1be26
MD5_JPEG_3x2_FLOAT_PROG_387 = 1657664a410e0822c924b54f6f65e6e9
MD5_PPM_3x2_FLOAT_387 = cb0a1f027f3d2917c902b5640214e025
MD5_JPEG_3x2_IFAST_PROG = 1ee5d2c1a77f2da495f993c8c7cceca5
MD5_PPM_3x2_IFAST = fd283664b3b49127984af0a7f118fccd
MD5_JPEG_420_ISLOW_ARI = e986fb0a637a8d833d96e8a6d6d84ea1
MD5_JPEG_444_ISLOW_PROGARI = 0a8f1c8f66e113c3cf635df0a475a617
MD5_PPM_420M_IFAST_ARI = 72b59a99bcf1de24c5b27d151bde2437
MD5_JPEG_420_ISLOW = 9a68f56bc76e466aa7e52f415d0f4a5f
MD5_PPM_420M_ISLOW_2_1 = 9f9de8c0612f8d06869b960b05abf9c9
MD5_PPM_420M_ISLOW_15_8 = b6875bc070720b899566cc06459b63b7
MD5_PPM_420M_ISLOW_13_8 = bc3452573c8152f6ae552939ee19f82f
MD5_PPM_420M_ISLOW_11_8 = d8cc73c0aaacd4556569b59437ba00a5
MD5_PPM_420M_ISLOW_9_8 = d25e61bc7eac0002f5b393aa223747b6
MD5_PPM_420M_ISLOW_7_8 = ddb564b7c74a09494016d6cd7502a946
MD5_PPM_420M_ISLOW_3_4 = 8ed8e68808c3fbc4ea764fc9d2968646
MD5_PPM_420M_ISLOW_5_8 = a3363274999da2366a024efae6d16c9b
MD5_PPM_420M_ISLOW_1_2 = e692a315cea26b988c8e8b29a5dbcd81
MD5_PPM_420M_ISLOW_3_8 = 79eca9175652ced755155c90e785a996
MD5_PPM_420M_ISLOW_1_4 = 79cd778f8bf1a117690052cacdd54eca
MD5_PPM_420M_ISLOW_1_8 = 391b3d4aca640c8567d6f8745eb2142f
MD5_BMP_420_ISLOW_256 = 4980185e3776e89bd931736e1cddeee6
MD5_BMP_420_ISLOW_565 = bf9d13e16c4923b92e1faa604d7922cb
MD5_BMP_420_ISLOW_565D = 6bde71526acc44bcff76f696df8638d2
MD5_BMP_420M_ISLOW_565 = 8dc0185245353cfa32ad97027342216f
MD5_BMP_420M_ISLOW_565D =d1be3a3339166255e76fa50a0d70d73e
MD5_PPM_420_ISLOW_SKIP15_31 = c4c65c1e43d7275cd50328a61e6534f0
MD5_PPM_420_ISLOW_ARI_SKIP16_139 = 087c6b123db16ac00cb88c5b590bb74a
MD5_PPM_420_ISLOW_PROG_CROP62x62_71_71 = 26eb36ccc7d1f0cb80cdabb0ac8b5d99
MD5_PPM_420_ISLOW_ARI_CROP53x53_4_4 = 886c6775af22370257122f8b16207e6d
MD5_PPM_444_ISLOW_SKIP1_6 = 5606f86874cf26b8fcee1117a0a436a6
MD5_PPM_444_ISLOW_PROG_CROP98x98_13_13 = db87dc7ce26bcdc7a6b56239ce2b9d6c
MD5_PPM_444_ISLOW_ARI_CROP37x37_0_0 = cb57b32bd6d03e35432362f7bf184b6d
MD5_JPEG_CROP = b4197f377e621c4e9b1d20471432610d
endif
nsi: all
makensis -nocd -DVERSION=$(VERSION) -DAPPNAME=libjpeg-turbo-gcc \
-DWLIBDIR=.libs -DWSRCDIR=$(srcdir) -DWBLDDIR=. -DWHDRDIR=. \
-DPLATFORM="GCC" -DGCC $(srcdir)/release/libjpeg-turbo.nsi
.PHONY: test
test: tjquicktest tjbittest bittest
if CROSS_COMPILING
tjquicktest: testclean
else
tjquicktest: testclean all
endif
if WITH_TURBOJPEG
if WITH_JAVA
$(JAVA) -cp java/turbojpeg.jar -Djava.library.path=.libs TJUnitTest
$(JAVA) -cp java/turbojpeg.jar -Djava.library.path=.libs TJUnitTest -bi
$(JAVA) -cp java/turbojpeg.jar -Djava.library.path=.libs TJUnitTest -yuv
$(JAVA) -cp java/turbojpeg.jar -Djava.library.path=.libs TJUnitTest -yuv -noyuvpad
$(JAVA) -cp java/turbojpeg.jar -Djava.library.path=.libs TJUnitTest -yuv -bi
$(JAVA) -cp java/turbojpeg.jar -Djava.library.path=.libs TJUnitTest -yuv -bi -noyuvpad
endif
./tjunittest
./tjunittest -alloc
./tjunittest -yuv
./tjunittest -yuv -alloc
./tjunittest -yuv -noyuvpad
endif
echo GREAT SUCCESS!
if CROSS_COMPILING
tjbittest: testclean
else
tjbittest: testclean all
endif
if WITH_TURBOJPEG
MD5_PPM_GRAY_TILE = 89d3ca21213d9d864b50b4e4e7de4ca6
MD5_PPM_420_8x8_TILE = 847fceab15c5b7b911cb986cf0f71de3
MD5_PPM_420_16x16_TILE = ca45552a93687e078f7137cc4126a7b0
MD5_PPM_420_32x32_TILE = d8676f1d6b68df358353bba9844f4a00
MD5_PPM_420_64x64_TILE = 4e4c1a3d7ea4bace4f868bcbe83b7050
MD5_PPM_420_128x128_TILE = f24c3429c52265832beab9df72a0ceae
MD5_PPM_420M_8x8_TILE = bc25320e1f4c31ce2e610e43e9fd173c
MD5_PPM_420M_TILE = 75ffdf14602258c5c189522af57fa605
MD5_PPM_422_8x8_TILE = d83dacd9fc73b0a6f10c09acad64eb1e
MD5_PPM_422_16x16_TILE = 35077fb610d72dd743b1eb0cbcfe10fb
MD5_PPM_422_32x32_TILE = e6902ed8a449ecc0f0d6f2bf945f65f7
MD5_PPM_422_64x64_TILE = 2b4502a8f316cedbde1da7bce3d2231e
MD5_PPM_422_128x128_TILE = f0b5617d578f5e13c8eee215d64d4877
MD5_PPM_422M_8x8_TILE = 828941d7f41cd6283abd6beffb7fd51d
MD5_PPM_422M_TILE = e877ae1324c4a280b95376f7f018172f
MD5_PPM_444_TILE = 7964e41e67cfb8d0a587c0aa4798f9c3
# Test compressing from/decompressing to an arbitrary subregion of a larger
# image buffer
cp $(srcdir)/testimages/testorig.ppm testout_tile.ppm
./tjbench testout_tile.ppm 95 -rgb -quiet -tile -benchtime 0.01 -warmup 0 >/dev/null 2>&1
for i in 8 16 32 64 128; do \
md5/md5cmp $(MD5_PPM_GRAY_TILE) testout_tile_GRAY_Q95_$$i\x$$i.ppm; \
done
md5/md5cmp $(MD5_PPM_420_8x8_TILE) testout_tile_420_Q95_8x8.ppm
md5/md5cmp $(MD5_PPM_420_16x16_TILE) testout_tile_420_Q95_16x16.ppm
md5/md5cmp $(MD5_PPM_420_32x32_TILE) testout_tile_420_Q95_32x32.ppm
md5/md5cmp $(MD5_PPM_420_64x64_TILE) testout_tile_420_Q95_64x64.ppm
md5/md5cmp $(MD5_PPM_420_128x128_TILE) testout_tile_420_Q95_128x128.ppm
md5/md5cmp $(MD5_PPM_422_8x8_TILE) testout_tile_422_Q95_8x8.ppm
md5/md5cmp $(MD5_PPM_422_16x16_TILE) testout_tile_422_Q95_16x16.ppm
md5/md5cmp $(MD5_PPM_422_32x32_TILE) testout_tile_422_Q95_32x32.ppm
md5/md5cmp $(MD5_PPM_422_64x64_TILE) testout_tile_422_Q95_64x64.ppm
md5/md5cmp $(MD5_PPM_422_128x128_TILE) testout_tile_422_Q95_128x128.ppm
for i in 8 16 32 64 128; do \
md5/md5cmp $(MD5_PPM_444_TILE) testout_tile_444_Q95_$$i\x$$i.ppm; \
done
rm -f testout_tile_GRAY_* testout_tile_420_* testout_tile_422_* testout_tile_444_*
./tjbench testout_tile.ppm 95 -rgb -fastupsample -quiet -tile -benchtime 0.01 -warmup 0 >/dev/null 2>&1
md5/md5cmp $(MD5_PPM_420M_8x8_TILE) testout_tile_420_Q95_8x8.ppm
for i in 16 32 64 128; do \
md5/md5cmp $(MD5_PPM_420M_TILE) testout_tile_420_Q95_$$i\x$$i.ppm; \
done
md5/md5cmp $(MD5_PPM_422M_8x8_TILE) testout_tile_422_Q95_8x8.ppm
for i in 16 32 64 128; do \
md5/md5cmp $(MD5_PPM_422M_TILE) testout_tile_422_Q95_$$i\x$$i.ppm; \
done
rm -f testout_tile_GRAY_* testout_tile_420_* testout_tile_422_* testout_tile_444_* testout_tile.ppm
echo GREAT SUCCESS!
endif
if CROSS_COMPILING
bittest: testclean
else
bittest: testclean all
endif
# These tests are carefully crafted to provide full coverage of as many of the
# underlying algorithms as possible (including all of the SIMD-accelerated
# ones.)
# CC: null SAMP: fullsize FDCT: islow ENT: huff
./cjpeg -rgb -dct int -outfile testout_rgb_islow.jpg $(srcdir)/testimages/testorig.ppm
md5/md5cmp $(MD5_JPEG_RGB_ISLOW) testout_rgb_islow.jpg
# CC: null SAMP: fullsize IDCT: islow ENT: huff
./djpeg -dct int -ppm -outfile testout_rgb_islow.ppm testout_rgb_islow.jpg
md5/md5cmp $(MD5_PPM_RGB_ISLOW) testout_rgb_islow.ppm
rm -f testout_rgb_islow.ppm
if WITH_12BIT
rm -f testout_rgb_islow.jpg
else
# CC: RGB->RGB565 SAMP: fullsize IDCT: islow ENT: huff
./djpeg -dct int -rgb565 -dither none -bmp -outfile testout_rgb_islow_565.bmp testout_rgb_islow.jpg
md5/md5cmp $(MD5_BMP_RGB_ISLOW_565) testout_rgb_islow_565.bmp
rm -f testout_rgb_islow_565.bmp
# CC: RGB->RGB565 (dithered) SAMP: fullsize IDCT: islow ENT: huff
./djpeg -dct int -rgb565 -bmp -outfile testout_rgb_islow_565D.bmp testout_rgb_islow.jpg
md5/md5cmp $(MD5_BMP_RGB_ISLOW_565D) testout_rgb_islow_565D.bmp
rm -f testout_rgb_islow_565D.bmp testout_rgb_islow.jpg
endif
# CC: RGB->YCC SAMP: fullsize/h2v1 FDCT: ifast ENT: 2-pass huff
./cjpeg -sample 2x1 -dct fast -opt -outfile testout_422_ifast_opt.jpg $(srcdir)/testimages/testorig.ppm
md5/md5cmp $(MD5_JPEG_422_IFAST_OPT) testout_422_ifast_opt.jpg
# CC: YCC->RGB SAMP: fullsize/h2v1 fancy IDCT: ifast ENT: huff
./djpeg -dct fast -outfile testout_422_ifast.ppm testout_422_ifast_opt.jpg
md5/md5cmp $(MD5_PPM_422_IFAST) testout_422_ifast.ppm
rm -f testout_422_ifast.ppm
# CC: YCC->RGB SAMP: h2v1 merged IDCT: ifast ENT: huff
./djpeg -dct fast -nosmooth -outfile testout_422m_ifast.ppm testout_422_ifast_opt.jpg
md5/md5cmp $(MD5_PPM_422M_IFAST) testout_422m_ifast.ppm
rm -f testout_422m_ifast.ppm
if WITH_12BIT
rm -f testout_422_ifast_opt.jpg
else
# CC: YCC->RGB565 SAMP: h2v1 merged IDCT: ifast ENT: huff
./djpeg -dct int -nosmooth -rgb565 -dither none -bmp -outfile testout_422m_ifast_565.bmp testout_422_ifast_opt.jpg
md5/md5cmp $(MD5_BMP_422M_IFAST_565) testout_422m_ifast_565.bmp
rm -f testout_422m_ifast_565.bmp
# CC: YCC->RGB565 (dithered) SAMP: h2v1 merged IDCT: ifast ENT: huff
./djpeg -dct int -nosmooth -rgb565 -bmp -outfile testout_422m_ifast_565D.bmp testout_422_ifast_opt.jpg
md5/md5cmp $(MD5_BMP_422M_IFAST_565D) testout_422m_ifast_565D.bmp
rm -f testout_422m_ifast_565D.bmp testout_422_ifast_opt.jpg
endif
# CC: RGB->YCC SAMP: fullsize/h2v2 FDCT: ifast ENT: prog huff
./cjpeg -sample 2x2 -quality 100 -dct fast -prog -outfile testout_420_q100_ifast_prog.jpg $(srcdir)/testimages/testorig.ppm
md5/md5cmp $(MD5_JPEG_420_IFAST_Q100_PROG) testout_420_q100_ifast_prog.jpg
# CC: YCC->RGB SAMP: fullsize/h2v2 fancy IDCT: ifast ENT: prog huff
./djpeg -dct fast -outfile testout_420_q100_ifast.ppm testout_420_q100_ifast_prog.jpg
md5/md5cmp $(MD5_PPM_420_Q100_IFAST) testout_420_q100_ifast.ppm
rm -f testout_420_q100_ifast.ppm
# CC: YCC->RGB SAMP: h2v2 merged IDCT: ifast ENT: prog huff
./djpeg -dct fast -nosmooth -outfile testout_420m_q100_ifast.ppm testout_420_q100_ifast_prog.jpg
md5/md5cmp $(MD5_PPM_420M_Q100_IFAST) testout_420m_q100_ifast.ppm
rm -f testout_420m_q100_ifast.ppm testout_420_q100_ifast_prog.jpg
# CC: RGB->Gray SAMP: fullsize FDCT: islow ENT: huff
./cjpeg -gray -dct int -outfile testout_gray_islow.jpg $(srcdir)/testimages/testorig.ppm
md5/md5cmp $(MD5_JPEG_GRAY_ISLOW) testout_gray_islow.jpg
# CC: Gray->Gray SAMP: fullsize IDCT: islow ENT: huff
./djpeg -dct int -outfile testout_gray_islow.ppm testout_gray_islow.jpg
md5/md5cmp $(MD5_PPM_GRAY_ISLOW) testout_gray_islow.ppm
rm -f testout_gray_islow.ppm
# CC: Gray->RGB SAMP: fullsize IDCT: islow ENT: huff
./djpeg -dct int -rgb -outfile testout_gray_islow_rgb.ppm testout_gray_islow.jpg
md5/md5cmp $(MD5_PPM_GRAY_ISLOW_RGB) testout_gray_islow_rgb.ppm
rm -f testout_gray_islow_rgb.ppm
if WITH_12BIT
rm -f testout_gray_islow.jpg
else
# CC: Gray->RGB565 SAMP: fullsize IDCT: islow ENT: huff
./djpeg -dct int -rgb565 -dither none -bmp -outfile testout_gray_islow_565.bmp testout_gray_islow.jpg
md5/md5cmp $(MD5_BMP_GRAY_ISLOW_565) testout_gray_islow_565.bmp
rm -f testout_gray_islow_565.bmp
# CC: Gray->RGB565 (dithered) SAMP: fullsize IDCT: islow ENT: huff
./djpeg -dct int -rgb565 -bmp -outfile testout_gray_islow_565D.bmp testout_gray_islow.jpg
md5/md5cmp $(MD5_BMP_GRAY_ISLOW_565D) testout_gray_islow_565D.bmp
rm -f testout_gray_islow_565D.bmp testout_gray_islow.jpg
endif
# CC: RGB->YCC SAMP: fullsize smooth/h2v2 smooth FDCT: islow
# ENT: 2-pass huff
./cjpeg -sample 2x2 -smooth 1 -dct int -opt -outfile testout_420s_ifast_opt.jpg $(srcdir)/testimages/testorig.ppm
md5/md5cmp $(MD5_JPEG_420S_IFAST_OPT) testout_420s_ifast_opt.jpg
rm -f testout_420s_ifast_opt.jpg
# The output of the floating point tests is not validated by default, because
# the output differs depending on the type of floating point math used, and
# this is only deterministic if the DCT/IDCT are implemented using SIMD
# instructions on a particular platform. Pass one of the following on the make
# command line to validate the floating point tests against one of the expected
# results:
#
# FLOATTEST=sse validate against the expected results from the libjpeg-turbo
# SSE SIMD extensions
# FLOATTEST=32bit validate against the expected results from the C code
# when running on a 32-bit FPU (or when SSE is being used for
# floating point math, which is generally the default with
# x86-64 compilers)
# FLOATTEST=64bit validate against the exepected results from the C code
# when running on a 64-bit FPU
# FLOATTEST=387 validate against the expected results from the C code when
# the 387 FPU is being used for floating point math (which is
# generally the default with x86 compilers)
# CC: RGB->YCC SAMP: fullsize/int FDCT: float ENT: prog huff
./cjpeg -sample 3x2 -dct float -prog -outfile testout_3x2_float_prog.jpg $(srcdir)/testimages/testorig.ppm
if [ "${FLOATTEST}" = "sse" ]; then \
md5/md5cmp $(MD5_JPEG_3x2_FLOAT_PROG_SSE) testout_3x2_float_prog.jpg; \
elif [ "${FLOATTEST}" = "32bit" -o "${FLOATTEST}" = "64bit" ]; then \
md5/md5cmp $(MD5_JPEG_3x2_FLOAT_PROG_32BIT) testout_3x2_float_prog.jpg; \
elif [ "${FLOATTEST}" = "387" ]; then \
md5/md5cmp $(MD5_JPEG_3x2_FLOAT_PROG_387) testout_3x2_float_prog.jpg; \
fi
# CC: YCC->RGB SAMP: fullsize/int IDCT: float ENT: prog huff
./djpeg -dct float -outfile testout_3x2_float.ppm testout_3x2_float_prog.jpg
if [ "${FLOATTEST}" = "sse" ]; then \
md5/md5cmp $(MD5_PPM_3x2_FLOAT_SSE) testout_3x2_float.ppm; \
elif [ "${FLOATTEST}" = "32bit" ]; then \
md5/md5cmp $(MD5_PPM_3x2_FLOAT_32BIT) testout_3x2_float.ppm; \
elif [ "${FLOATTEST}" = "64bit" ]; then \
md5/md5cmp $(MD5_PPM_3x2_FLOAT_64BIT) testout_3x2_float.ppm; \
elif [ "${FLOATTEST}" = "387" ]; then \
md5/md5cmp $(MD5_PPM_3x2_FLOAT_387) testout_3x2_float.ppm; \
fi
rm -f testout_3x2_float.ppm testout_3x2_float_prog.jpg
# CC: RGB->YCC SAMP: fullsize/int FDCT: ifast ENT: prog huff
./cjpeg -sample 3x2 -dct fast -prog -outfile testout_3x2_ifast_prog.jpg $(srcdir)/testimages/testorig.ppm
md5/md5cmp $(MD5_JPEG_3x2_IFAST_PROG) testout_3x2_ifast_prog.jpg
# CC: YCC->RGB SAMP: fullsize/int IDCT: ifast ENT: prog huff
./djpeg -dct fast -outfile testout_3x2_ifast.ppm testout_3x2_ifast_prog.jpg
md5/md5cmp $(MD5_PPM_3x2_IFAST) testout_3x2_ifast.ppm
rm -f testout_3x2_ifast.ppm testout_3x2_ifast_prog.jpg
if WITH_ARITH_ENC
# CC: YCC->RGB SAMP: fullsize/h2v2 FDCT: islow ENT: arith
./cjpeg -dct int -arithmetic -outfile testout_420_islow_ari.jpg $(srcdir)/testimages/testorig.ppm
md5/md5cmp $(MD5_JPEG_420_ISLOW_ARI) testout_420_islow_ari.jpg
rm -f testout_420_islow_ari.jpg
./jpegtran -arithmetic -outfile testout_420_islow_ari.jpg $(srcdir)/testimages/testimgint.jpg
md5/md5cmp $(MD5_JPEG_420_ISLOW_ARI) testout_420_islow_ari.jpg
rm -f testout_420_islow_ari.jpg
# CC: YCC->RGB SAMP: fullsize FDCT: islow ENT: prog arith
./cjpeg -sample 1x1 -dct int -prog -arithmetic -outfile testout_444_islow_progari.jpg $(srcdir)/testimages/testorig.ppm
md5/md5cmp $(MD5_JPEG_444_ISLOW_PROGARI) testout_444_islow_progari.jpg
rm -f testout_444_islow_progari.jpg
endif
if WITH_ARITH_DEC
# CC: RGB->YCC SAMP: h2v2 merged IDCT: ifast ENT: arith
./djpeg -fast -ppm -outfile testout_420m_ifast_ari.ppm $(srcdir)/testimages/testimgari.jpg
md5/md5cmp $(MD5_PPM_420M_IFAST_ARI) testout_420m_ifast_ari.ppm
rm -f testout_420m_ifast_ari.ppm
./jpegtran -outfile testout_420_islow.jpg $(srcdir)/testimages/testimgari.jpg
md5/md5cmp $(MD5_JPEG_420_ISLOW) testout_420_islow.jpg
rm -f testout_420_islow.jpg
endif
# CC: YCC->RGB SAMP: h2v2 merged IDCT: 16x16 islow ENT: huff
./djpeg -dct int -scale 2/1 -nosmooth -ppm -outfile testout_420m_islow_2_1.ppm $(srcdir)/testimages/$(TESTORIG)
md5/md5cmp $(MD5_PPM_420M_ISLOW_2_1) testout_420m_islow_2_1.ppm
rm -f testout_420m_islow_2_1.ppm
# CC: YCC->RGB SAMP: h2v2 merged IDCT: 15x15 islow ENT: huff
./djpeg -dct int -scale 15/8 -nosmooth -ppm -outfile testout_420m_islow_15_8.ppm $(srcdir)/testimages/$(TESTORIG)
md5/md5cmp $(MD5_PPM_420M_ISLOW_15_8) testout_420m_islow_15_8.ppm
rm -f testout_420m_islow_15_8.ppm
# CC: YCC->RGB SAMP: h2v2 merged IDCT: 13x13 islow ENT: huff
./djpeg -dct int -scale 13/8 -nosmooth -ppm -outfile testout_420m_islow_13_8.ppm $(srcdir)/testimages/$(TESTORIG)
md5/md5cmp $(MD5_PPM_420M_ISLOW_13_8) testout_420m_islow_13_8.ppm
rm -f testout_420m_islow_13_8.ppm
# CC: YCC->RGB SAMP: h2v2 merged IDCT: 11x11 islow ENT: huff
./djpeg -dct int -scale 11/8 -nosmooth -ppm -outfile testout_420m_islow_11_8.ppm $(srcdir)/testimages/$(TESTORIG)
md5/md5cmp $(MD5_PPM_420M_ISLOW_11_8) testout_420m_islow_11_8.ppm
rm -f testout_420m_islow_11_8.ppm
# CC: YCC->RGB SAMP: h2v2 merged IDCT: 9x9 islow ENT: huff
./djpeg -dct int -scale 9/8 -nosmooth -ppm -outfile testout_420m_islow_9_8.ppm $(srcdir)/testimages/$(TESTORIG)
md5/md5cmp $(MD5_PPM_420M_ISLOW_9_8) testout_420m_islow_9_8.ppm
rm -f testout_420m_islow_9_8.ppm
# CC: YCC->RGB SAMP: h2v2 merged IDCT: 7x7 islow/14x14 islow ENT: huff
./djpeg -dct int -scale 7/8 -nosmooth -ppm -outfile testout_420m_islow_7_8.ppm $(srcdir)/testimages/$(TESTORIG)
md5/md5cmp $(MD5_PPM_420M_ISLOW_7_8) testout_420m_islow_7_8.ppm
rm -f testout_420m_islow_7_8.ppm
# CC: YCC->RGB SAMP: h2v2 merged IDCT: 6x6 islow/12x12 islow ENT: huff
./djpeg -dct int -scale 3/4 -nosmooth -ppm -outfile testout_420m_islow_3_4.ppm $(srcdir)/testimages/$(TESTORIG)
md5/md5cmp $(MD5_PPM_420M_ISLOW_3_4) testout_420m_islow_3_4.ppm
rm -f testout_420m_islow_3_4.ppm
# CC: YCC->RGB SAMP: h2v2 merged IDCT: 5x5 islow/10x10 islow ENT: huff
./djpeg -dct int -scale 5/8 -nosmooth -ppm -outfile testout_420m_islow_5_8.ppm $(srcdir)/testimages/$(TESTORIG)
md5/md5cmp $(MD5_PPM_420M_ISLOW_5_8) testout_420m_islow_5_8.ppm
rm -f testout_420m_islow_5_8.ppm
# CC: YCC->RGB SAMP: h2v2 merged IDCT: 4x4 islow/8x8 islow ENT: huff
./djpeg -dct int -scale 1/2 -nosmooth -ppm -outfile testout_420m_islow_1_2.ppm $(srcdir)/testimages/$(TESTORIG)
md5/md5cmp $(MD5_PPM_420M_ISLOW_1_2) testout_420m_islow_1_2.ppm
rm -f testout_420m_islow_1_2.ppm
# CC: YCC->RGB SAMP: h2v2 merged IDCT: 3x3 islow/6x6 islow ENT: huff
./djpeg -dct int -scale 3/8 -nosmooth -ppm -outfile testout_420m_islow_3_8.ppm $(srcdir)/testimages/$(TESTORIG)
md5/md5cmp $(MD5_PPM_420M_ISLOW_3_8) testout_420m_islow_3_8.ppm
rm -f testout_420m_islow_3_8.ppm
# CC: YCC->RGB SAMP: h2v2 merged IDCT: 2x2 islow/4x4 islow ENT: huff
./djpeg -dct int -scale 1/4 -nosmooth -ppm -outfile testout_420m_islow_1_4.ppm $(srcdir)/testimages/$(TESTORIG)
md5/md5cmp $(MD5_PPM_420M_ISLOW_1_4) testout_420m_islow_1_4.ppm
rm -f testout_420m_islow_1_4.ppm
# CC: YCC->RGB SAMP: h2v2 merged IDCT: 1x1 islow/2x2 islow ENT: huff
./djpeg -dct int -scale 1/8 -nosmooth -ppm -outfile testout_420m_islow_1_8.ppm $(srcdir)/testimages/$(TESTORIG)
md5/md5cmp $(MD5_PPM_420M_ISLOW_1_8) testout_420m_islow_1_8.ppm
rm -f testout_420m_islow_1_8.ppm
if WITH_12BIT
else
# CC: YCC->RGB (dithered) SAMP: h2v2 fancy IDCT: islow ENT: huff
./djpeg -dct int -colors 256 -bmp -outfile testout_420_islow_256.bmp $(srcdir)/testimages/$(TESTORIG)
md5/md5cmp $(MD5_BMP_420_ISLOW_256) testout_420_islow_256.bmp
rm -f testout_420_islow_256.bmp
# CC: YCC->RGB565 SAMP: h2v2 fancy IDCT: islow ENT: huff
./djpeg -dct int -rgb565 -dither none -bmp -outfile testout_420_islow_565.bmp $(srcdir)/testimages/$(TESTORIG)
md5/md5cmp $(MD5_BMP_420_ISLOW_565) testout_420_islow_565.bmp
rm -f testout_420_islow_565.bmp
# CC: YCC->RGB565 (dithered) SAMP: h2v2 fancy IDCT: islow ENT: huff
./djpeg -dct int -rgb565 -bmp -outfile testout_420_islow_565D.bmp $(srcdir)/testimages/$(TESTORIG)
md5/md5cmp $(MD5_BMP_420_ISLOW_565D) testout_420_islow_565D.bmp
rm -f testout_420_islow_565D.bmp
# CC: YCC->RGB565 SAMP: h2v2 merged IDCT: islow ENT: huff
./djpeg -dct int -nosmooth -rgb565 -dither none -bmp -outfile testout_420m_islow_565.bmp $(srcdir)/testimages/$(TESTORIG)
md5/md5cmp $(MD5_BMP_420M_ISLOW_565) testout_420m_islow_565.bmp
rm -f testout_420m_islow_565.bmp
# CC: YCC->RGB565 (dithered) SAMP: h2v2 merged IDCT: islow ENT: huff
./djpeg -dct int -nosmooth -rgb565 -bmp -outfile testout_420m_islow_565D.bmp $(srcdir)/testimages/$(TESTORIG)
md5/md5cmp $(MD5_BMP_420M_ISLOW_565D) testout_420m_islow_565D.bmp
rm -f testout_420m_islow_565D.bmp
endif
# Partial decode tests. These tests are designed to cover all of the possible
# code paths in jpeg_skip_scanlines().
# Context rows: Yes Intra-iMCU row: Yes iMCU row prefetch: No ENT: huff
./djpeg -dct int -skip 15,31 -ppm -outfile testout_420_islow_skip15,31.ppm $(srcdir)/testimages/$(TESTORIG)
md5/md5cmp $(MD5_PPM_420_ISLOW_SKIP15_31) testout_420_islow_skip15,31.ppm
rm -f testout_420_islow_skip15,31.ppm
# Context rows: Yes Intra-iMCU row: No iMCU row prefetch: Yes ENT: arith
if WITH_ARITH_DEC
./djpeg -dct int -skip 16,139 -ppm -outfile testout_420_islow_ari_skip16,139.ppm $(srcdir)/testimages/testimgari.jpg
md5/md5cmp $(MD5_PPM_420_ISLOW_ARI_SKIP16_139) testout_420_islow_ari_skip16,139.ppm
rm -f testout_420_islow_ari_skip16,139.ppm
endif
# Context rows: Yes Intra-iMCU row: No iMCU row prefetch: No ENT: prog huff
./cjpeg -dct int -prog -outfile testout_420_islow_prog.jpg $(srcdir)/testimages/testorig.ppm
./djpeg -dct int -crop 62x62+71+71 -ppm -outfile testout_420_islow_prog_crop62x62,71,71.ppm testout_420_islow_prog.jpg
md5/md5cmp $(MD5_PPM_420_ISLOW_PROG_CROP62x62_71_71) testout_420_islow_prog_crop62x62,71,71.ppm
rm -f testout_420_islow_prog_crop62x62,71,71.ppm testout_420_islow_prog.jpg
# Context rows: Yes Intra-iMCU row: No iMCU row prefetch: No ENT: arith
if WITH_ARITH_DEC
./djpeg -dct int -crop 53x53+4+4 -ppm -outfile testout_420_islow_ari_crop53x53,4,4.ppm $(srcdir)/testimages/testimgari.jpg
md5/md5cmp $(MD5_PPM_420_ISLOW_ARI_CROP53x53_4_4) testout_420_islow_ari_crop53x53,4,4.ppm
rm -f testout_420_islow_ari_crop53x53,4,4.ppm
endif
# Context rows: No Intra-iMCU row: Yes ENT: huff
./cjpeg -dct int -sample 1x1 -outfile testout_444_islow.jpg $(srcdir)/testimages/testorig.ppm
./djpeg -dct int -skip 1,6 -ppm -outfile testout_444_islow_skip1,6.ppm testout_444_islow.jpg
md5/md5cmp $(MD5_PPM_444_ISLOW_SKIP1_6) testout_444_islow_skip1,6.ppm
rm -f testout_444_islow_skip1,6.ppm testout_444_islow.jpg
# Context rows: No Intra-iMCU row: No ENT: prog huff
./cjpeg -dct int -prog -sample 1x1 -outfile testout_444_islow_prog.jpg $(srcdir)/testimages/testorig.ppm
./djpeg -dct int -crop 98x98+13+13 -ppm -outfile testout_444_islow_prog_crop98x98,13,13.ppm testout_444_islow_prog.jpg
md5/md5cmp $(MD5_PPM_444_ISLOW_PROG_CROP98x98_13_13) testout_444_islow_prog_crop98x98,13,13.ppm
rm -f testout_444_islow_prog_crop98x98,13,13.ppm testout_444_islow_prog.jpg
# Context rows: No Intra-iMCU row: No ENT: arith
if WITH_ARITH_ENC
./cjpeg -dct int -arithmetic -sample 1x1 -outfile testout_444_islow_ari.jpg $(srcdir)/testimages/testorig.ppm
if WITH_ARITH_DEC
./djpeg -dct int -crop 37x37+0+0 -ppm -outfile testout_444_islow_ari_crop37x37,0,0.ppm testout_444_islow_ari.jpg
md5/md5cmp $(MD5_PPM_444_ISLOW_ARI_CROP37x37_0_0) testout_444_islow_ari_crop37x37,0,0.ppm
rm -f testout_444_islow_ari_crop37x37,0,0.ppm
endif
rm -f testout_444_islow_ari.jpg
endif
./jpegtran -crop 120x90+20+50 -transpose -perfect -outfile testout_crop.jpg $(srcdir)/testimages/$(TESTORIG)
md5/md5cmp $(MD5_JPEG_CROP) testout_crop.jpg
rm -f testout_crop.jpg
echo GREAT SUCCESS!
testclean:
rm -f testout*
rm -f *_GRAY_*.bmp
rm -f *_GRAY_*.png
rm -f *_GRAY_*.ppm
rm -f *_GRAY_*.jpg
rm -f *_GRAY.yuv
rm -f *_420_*.bmp
rm -f *_420_*.png
rm -f *_420_*.ppm
rm -f *_420_*.jpg
rm -f *_420.yuv
rm -f *_422_*.bmp
rm -f *_422_*.png
rm -f *_422_*.ppm
rm -f *_422_*.jpg
rm -f *_422.yuv
rm -f *_444_*.bmp
rm -f *_444_*.png
rm -f *_444_*.ppm
rm -f *_444_*.jpg
rm -f *_444.yuv
rm -f *_440_*.bmp
rm -f *_440_*.png
rm -f *_440_*.ppm
rm -f *_440_*.jpg
rm -f *_440.yuv
rm -f *_411_*.bmp
rm -f *_411_*.png
rm -f *_411_*.ppm
rm -f *_411_*.jpg
rm -f *_411.yuv
rm -f tjbenchtest*.log
rm -f tjexampletest*.log
tjtest:
sh ./tjbenchtest
sh ./tjbenchtest -alloc
sh ./tjbenchtest -yuv
sh ./tjbenchtest -yuv -alloc
if WITH_JAVA
sh ./tjbenchtest.java
sh ./tjbenchtest.java -yuv
endif
pkgscripts/libjpeg-turbo.spec: pkgscripts/libjpeg-turbo.spec.tmpl
cat pkgscripts/libjpeg-turbo.spec.tmpl | sed s@%{__prefix}@$(prefix)@g | \
sed s@%{__bindir}@$(bindir)@g | sed s@%{__datadir}@$(datadir)@g | \
sed s@%{__docdir}@$(docdir)@g | sed s@%{__includedir}@$(includedir)@g | \
sed s@%{__libdir}@$(libdir)@g | sed s@%{__mandir}@$(mandir)@g \
> pkgscripts/libjpeg-turbo.spec
rpm: all pkgscripts/libjpeg-turbo.spec
TMPDIR=`mktemp -d /tmp/${PACKAGE_NAME}-build.XXXXXX`; \
mkdir -p $$TMPDIR/RPMS; \
ln -fs `pwd` $$TMPDIR/BUILD; \
rm -f ${PKGNAME}-${VERSION}.${RPMARCH}.rpm; \
rpmbuild -bb --define "_blddir $$TMPDIR/buildroot" \
--define "_topdir $$TMPDIR" \
--target ${RPMARCH} pkgscripts/libjpeg-turbo.spec; \
cp $$TMPDIR/RPMS/${RPMARCH}/${PKGNAME}-${VERSION}-${BUILD}.${RPMARCH}.rpm \
${PKGNAME}-${VERSION}.${RPMARCH}.rpm; \
rm -rf $$TMPDIR
srpm: dist-gzip pkgscripts/libjpeg-turbo.spec
TMPDIR=`mktemp -d /tmp/${PACKAGE_NAME}-build.XXXXXX`; \
mkdir -p $$TMPDIR/RPMS; \
mkdir -p $$TMPDIR/SRPMS; \
mkdir -p $$TMPDIR/BUILD; \
mkdir -p $$TMPDIR/SOURCES; \
mkdir -p $$TMPDIR/SPECS; \
rm -f ${PKGNAME}-${VERSION}.src.rpm; \
cp ${PACKAGE_NAME}-${VERSION}.tar.gz $$TMPDIR/SOURCES; \
cat pkgscripts/libjpeg-turbo.spec | sed s/%{_blddir}/%{_tmppath}/g \
| sed s/#--\>//g \
> $$TMPDIR/SPECS/libjpeg-turbo.spec; \
rpmbuild -bs --define "_topdir $$TMPDIR" $$TMPDIR/SPECS/libjpeg-turbo.spec; \
cp $$TMPDIR/SRPMS/${PKGNAME}-${VERSION}-${BUILD}.src.rpm \
${PKGNAME}-${VERSION}.src.rpm; \
rm -rf $$TMPDIR
pkgscripts/makedpkg: pkgscripts/makedpkg.tmpl
cat pkgscripts/makedpkg.tmpl | sed s@%{__prefix}@$(prefix)@g | \
sed s@%{__docdir}@$(docdir)@g | sed s@%{__libdir}@$(libdir)@g \
> pkgscripts/makedpkg
deb: all pkgscripts/makedpkg
sh pkgscripts/makedpkg
pkgscripts/uninstall: pkgscripts/uninstall.tmpl
cat pkgscripts/uninstall.tmpl | sed s@%{__prefix}@$(prefix)@g | \
sed s@%{__bindir}@$(bindir)@g | sed s@%{__datadir}@$(datadir)@g | \
sed s@%{__includedir}@$(includedir)@g | sed s@%{__libdir}@$(libdir)@g | \
sed s@%{__mandir}@$(mandir)@g > pkgscripts/uninstall
pkgscripts/makemacpkg: pkgscripts/makemacpkg.tmpl
cat pkgscripts/makemacpkg.tmpl | sed s@%{__prefix}@$(prefix)@g | \
sed s@%{__bindir}@$(bindir)@g | sed s@%{__docdir}@$(docdir)@g | \
sed s@%{__libdir}@$(libdir)@g > pkgscripts/makemacpkg
if X86_64
udmg: all pkgscripts/makemacpkg pkgscripts/uninstall
sh pkgscripts/makemacpkg -build32 ${BUILDDIR32}
iosdmg: all pkgscripts/makemacpkg pkgscripts/uninstall
sh pkgscripts/makemacpkg -build32 ${BUILDDIR32} -buildarmv7 ${BUILDDIRARMV7} -buildarmv7s ${BUILDDIRARMV7S} -buildarmv8 ${BUILDDIRARMV8} -lipo "${LIPO}"
else
iosdmg: all pkgscripts/makemacpkg pkgscripts/uninstall
sh pkgscripts/makemacpkg -buildarmv7 ${BUILDDIRARMV7} -buildarmv7s ${BUILDDIRARMV7S} -buildarmv8 ${BUILDDIRARMV8} -lipo "${LIPO}"
endif
dmg: all pkgscripts/makemacpkg pkgscripts/uninstall
sh pkgscripts/makemacpkg
pkgscripts/makecygwinpkg: pkgscripts/makecygwinpkg.tmpl
cat pkgscripts/makecygwinpkg.tmpl | sed s@%{__prefix}@$(prefix)@g | \
sed s@%{__docdir}@$(docdir)@g | sed s@%{__libdir}@$(libdir)@g \
> pkgscripts/makecygwinpkg
cygwinpkg: all pkgscripts/makecygwinpkg
sh pkgscripts/makecygwinpkg

392
README
View File

@@ -1,392 +0,0 @@
libjpeg-turbo note: This is the legacy document from the original libjpeg v6b
release, which is included for reference. The Internet addresses given below
are likely non-functional. For more information about the libjpeg project,
please see http://www.ijg.org. For more information about libjpeg-turbo,
please see http://libjpeg-turbo.virtualgl.org.
The Independent JPEG Group's JPEG software
==========================================
README for release 6b of 27-Mar-1998
====================================
This distribution contains the sixth public release of the Independent JPEG
Group's free JPEG software. You are welcome to redistribute this software and
to use it for any purpose, subject to the conditions under LEGAL ISSUES, below.
Serious users of this software (particularly those incorporating it into
larger programs) should contact IJG at jpeg-info@uunet.uu.net to be added to
our electronic mailing list. Mailing list members are notified of updates
and have a chance to participate in technical discussions, etc.
This software is the work of Tom Lane, Philip Gladstone, Jim Boucher,
Lee Crocker, Julian Minguillon, Luis Ortiz, George Phillips, Davide Rossi,
Guido Vollbeding, Ge' Weijers, and other members of the Independent JPEG
Group.
IJG is not affiliated with the official ISO JPEG standards committee.
DOCUMENTATION ROADMAP
=====================
This file contains the following sections:
OVERVIEW General description of JPEG and the IJG software.
LEGAL ISSUES Copyright, lack of warranty, terms of distribution.
REFERENCES Where to learn more about JPEG.
ARCHIVE LOCATIONS Where to find newer versions of this software.
RELATED SOFTWARE Other stuff you should get.
FILE FORMAT WARS Software *not* to get.
TO DO Plans for future IJG releases.
Other documentation files in the distribution are:
User documentation:
install.doc How to configure and install the IJG software.
usage.doc Usage instructions for cjpeg, djpeg, jpegtran,
rdjpgcom, and wrjpgcom.
*.1 Unix-style man pages for programs (same info as usage.doc).
wizard.doc Advanced usage instructions for JPEG wizards only.
change.log Version-to-version change highlights.
Programmer and internal documentation:
libjpeg.doc How to use the JPEG library in your own programs.
example.c Sample code for calling the JPEG library.
structure.doc Overview of the JPEG library's internal structure.
filelist.doc Road map of IJG files.
coderules.doc Coding style rules --- please read if you contribute code.
Please read at least the files install.doc and usage.doc. Useful information
can also be found in the JPEG FAQ (Frequently Asked Questions) article. See
ARCHIVE LOCATIONS below to find out where to obtain the FAQ article.
If you want to understand how the JPEG code works, we suggest reading one or
more of the REFERENCES, then looking at the documentation files (in roughly
the order listed) before diving into the code.
OVERVIEW
========
This package contains C software to implement JPEG image compression and
decompression. JPEG (pronounced "jay-peg") is a standardized compression
method for full-color and gray-scale images. JPEG is intended for compressing
"real-world" scenes; line drawings, cartoons and other non-realistic images
are not its strong suit. JPEG is lossy, meaning that the output image is not
exactly identical to the input image. Hence you must not use JPEG if you
have to have identical output bits. However, on typical photographic images,
very good compression levels can be obtained with no visible change, and
remarkably high compression levels are possible if you can tolerate a
low-quality image. For more details, see the references, or just experiment
with various compression settings.
This software implements JPEG baseline, extended-sequential, and progressive
compression processes. Provision is made for supporting all variants of these
processes, although some uncommon parameter settings aren't implemented yet.
For legal reasons, we are not distributing code for the arithmetic-coding
variants of JPEG; see LEGAL ISSUES. We have made no provision for supporting
the hierarchical or lossless processes defined in the standard.
We provide a set of library routines for reading and writing JPEG image files,
plus two sample applications "cjpeg" and "djpeg", which use the library to
perform conversion between JPEG and some other popular image file formats.
The library is intended to be reused in other applications.
In order to support file conversion and viewing software, we have included
considerable functionality beyond the bare JPEG coding/decoding capability;
for example, the color quantization modules are not strictly part of JPEG
decoding, but they are essential for output to colormapped file formats or
colormapped displays. These extra functions can be compiled out of the
library if not required for a particular application. We have also included
"jpegtran", a utility for lossless transcoding between different JPEG
processes, and "rdjpgcom" and "wrjpgcom", two simple applications for
inserting and extracting textual comments in JFIF files.
The emphasis in designing this software has been on achieving portability and
flexibility, while also making it fast enough to be useful. In particular,
the software is not intended to be read as a tutorial on JPEG. (See the
REFERENCES section for introductory material.) Rather, it is intended to
be reliable, portable, industrial-strength code. We do not claim to have
achieved that goal in every aspect of the software, but we strive for it.
We welcome the use of this software as a component of commercial products.
No royalty is required, but we do ask for an acknowledgement in product
documentation, as described under LEGAL ISSUES.
LEGAL ISSUES
============
In plain English:
1. We don't promise that this software works. (But if you find any bugs,
please let us know!)
2. You can use this software for whatever you want. You don't have to pay us.
3. You may not pretend that you wrote this software. If you use it in a
program, you must acknowledge somewhere in your documentation that
you've used the IJG code.
In legalese:
The authors make NO WARRANTY or representation, either express or implied,
with respect to this software, its quality, accuracy, merchantability, or
fitness for a particular purpose. This software is provided "AS IS", and you,
its user, assume the entire risk as to its quality and accuracy.
This software is copyright (C) 1991-1998, Thomas G. Lane.
All Rights Reserved except as specified below.
Permission is hereby granted to use, copy, modify, and distribute this
software (or portions thereof) for any purpose, without fee, subject to these
conditions:
(1) If any part of the source code for this software is distributed, then this
README file must be included, with this copyright and no-warranty notice
unaltered; and any additions, deletions, or changes to the original files
must be clearly indicated in accompanying documentation.
(2) If only executable code is distributed, then the accompanying
documentation must state that "this software is based in part on the work of
the Independent JPEG Group".
(3) Permission for use of this software is granted only if the user accepts
full responsibility for any undesirable consequences; the authors accept
NO LIABILITY for damages of any kind.
These conditions apply to any software derived from or based on the IJG code,
not just to the unmodified library. If you use our work, you ought to
acknowledge us.
Permission is NOT granted for the use of any IJG author's name or company name
in advertising or publicity relating to this software or products derived from
it. This software may be referred to only as "the Independent JPEG Group's
software".
We specifically permit and encourage the use of this software as the basis of
commercial products, provided that all warranty or liability claims are
assumed by the product vendor.
ansi2knr.c is included in this distribution by permission of L. Peter Deutsch,
sole proprietor of its copyright holder, Aladdin Enterprises of Menlo Park, CA.
ansi2knr.c is NOT covered by the above copyright and conditions, but instead
by the usual distribution terms of the Free Software Foundation; principally,
that you must include source code if you redistribute it. (See the file
ansi2knr.c for full details.) However, since ansi2knr.c is not needed as part
of any program generated from the IJG code, this does not limit you more than
the foregoing paragraphs do.
The Unix configuration script "configure" was produced with GNU Autoconf.
It is copyright by the Free Software Foundation but is freely distributable.
The same holds for its supporting scripts (config.guess, config.sub,
ltconfig, ltmain.sh). Another support script, install-sh, is copyright
by M.I.T. but is also freely distributable.
It appears that the arithmetic coding option of the JPEG spec is covered by
patents owned by IBM, AT&T, and Mitsubishi. Hence arithmetic coding cannot
legally be used without obtaining one or more licenses. For this reason,
support for arithmetic coding has been removed from the free JPEG software.
(Since arithmetic coding provides only a marginal gain over the unpatented
Huffman mode, it is unlikely that very many implementations will support it.)
So far as we are aware, there are no patent restrictions on the remaining
code.
The IJG distribution formerly included code to read and write GIF files.
To avoid entanglement with the Unisys LZW patent, GIF reading support has
been removed altogether, and the GIF writer has been simplified to produce
"uncompressed GIFs". This technique does not use the LZW algorithm; the
resulting GIF files are larger than usual, but are readable by all standard
GIF decoders.
We are required to state that
"The Graphics Interchange Format(c) is the Copyright property of
CompuServe Incorporated. GIF(sm) is a Service Mark property of
CompuServe Incorporated."
REFERENCES
==========
We highly recommend reading one or more of these references before trying to
understand the innards of the JPEG software.
The best short technical introduction to the JPEG compression algorithm is
Wallace, Gregory K. "The JPEG Still Picture Compression Standard",
Communications of the ACM, April 1991 (vol. 34 no. 4), pp. 30-44.
(Adjacent articles in that issue discuss MPEG motion picture compression,
applications of JPEG, and related topics.) If you don't have the CACM issue
handy, a PostScript file containing a revised version of Wallace's article is
available at ftp://ftp.uu.net/graphics/jpeg/wallace.ps.gz. The file (actually
a preprint for an article that appeared in IEEE Trans. Consumer Electronics)
omits the sample images that appeared in CACM, but it includes corrections
and some added material. Note: the Wallace article is copyright ACM and IEEE,
and it may not be used for commercial purposes.
A somewhat less technical, more leisurely introduction to JPEG can be found in
"The Data Compression Book" by Mark Nelson and Jean-loup Gailly, published by
M&T Books (New York), 2nd ed. 1996, ISBN 1-55851-434-1. This book provides
good explanations and example C code for a multitude of compression methods
including JPEG. It is an excellent source if you are comfortable reading C
code but don't know much about data compression in general. The book's JPEG
sample code is far from industrial-strength, but when you are ready to look
at a full implementation, you've got one here...
The best full description of JPEG is the textbook "JPEG Still Image Data
Compression Standard" by William B. Pennebaker and Joan L. Mitchell, published
by Van Nostrand Reinhold, 1993, ISBN 0-442-01272-1. Price US$59.95, 638 pp.
The book includes the complete text of the ISO JPEG standards (DIS 10918-1
and draft DIS 10918-2). This is by far the most complete exposition of JPEG
in existence, and we highly recommend it.
The JPEG standard itself is not available electronically; you must order a
paper copy through ISO or ITU. (Unless you feel a need to own a certified
official copy, we recommend buying the Pennebaker and Mitchell book instead;
it's much cheaper and includes a great deal of useful explanatory material.)
In the USA, copies of the standard may be ordered from ANSI Sales at (212)
642-4900, or from Global Engineering Documents at (800) 854-7179. (ANSI
doesn't take credit card orders, but Global does.) It's not cheap: as of
1992, ANSI was charging $95 for Part 1 and $47 for Part 2, plus 7%
shipping/handling. The standard is divided into two parts, Part 1 being the
actual specification, while Part 2 covers compliance testing methods. Part 1
is titled "Digital Compression and Coding of Continuous-tone Still Images,
Part 1: Requirements and guidelines" and has document numbers ISO/IEC IS
10918-1, ITU-T T.81. Part 2 is titled "Digital Compression and Coding of
Continuous-tone Still Images, Part 2: Compliance testing" and has document
numbers ISO/IEC IS 10918-2, ITU-T T.83.
Some extensions to the original JPEG standard are defined in JPEG Part 3,
a newer ISO standard numbered ISO/IEC IS 10918-3 and ITU-T T.84. IJG
currently does not support any Part 3 extensions.
The JPEG standard does not specify all details of an interchangeable file
format. For the omitted details we follow the "JFIF" conventions, revision
1.02. A copy of the JFIF spec is available from:
Literature Department
C-Cube Microsystems, Inc.
1778 McCarthy Blvd.
Milpitas, CA 95035
phone (408) 944-6300, fax (408) 944-6314
A PostScript version of this document is available by FTP at
ftp://ftp.uu.net/graphics/jpeg/jfif.ps.gz. There is also a plain text
version at ftp://ftp.uu.net/graphics/jpeg/jfif.txt.gz, but it is missing
the figures.
The TIFF 6.0 file format specification can be obtained by FTP from
ftp://ftp.sgi.com/graphics/tiff/TIFF6.ps.gz. The JPEG incorporation scheme
found in the TIFF 6.0 spec of 3-June-92 has a number of serious problems.
IJG does not recommend use of the TIFF 6.0 design (TIFF Compression tag 6).
Instead, we recommend the JPEG design proposed by TIFF Technical Note #2
(Compression tag 7). Copies of this Note can be obtained from ftp.sgi.com or
from ftp://ftp.uu.net/graphics/jpeg/. It is expected that the next revision
of the TIFF spec will replace the 6.0 JPEG design with the Note's design.
Although IJG's own code does not support TIFF/JPEG, the free libtiff library
uses our library to implement TIFF/JPEG per the Note. libtiff is available
from ftp://ftp.sgi.com/graphics/tiff/.
ARCHIVE LOCATIONS
=================
The "official" archive site for this software is ftp.uu.net (Internet
address 192.48.96.9). The most recent released version can always be found
there in directory graphics/jpeg. This particular version will be archived
as ftp://ftp.uu.net/graphics/jpeg/jpegsrc.v6b.tar.gz. If you don't have
direct Internet access, UUNET's archives are also available via UUCP; contact
help@uunet.uu.net for information on retrieving files that way.
Numerous Internet sites maintain copies of the UUNET files. However, only
ftp.uu.net is guaranteed to have the latest official version.
You can also obtain this software in DOS-compatible "zip" archive format from
the SimTel archives (ftp://ftp.simtel.net/pub/simtelnet/msdos/graphics/), or
on CompuServe in the Graphics Support forum (GO CIS:GRAPHSUP), library 12
"JPEG Tools". Again, these versions may sometimes lag behind the ftp.uu.net
release.
The JPEG FAQ (Frequently Asked Questions) article is a useful source of
general information about JPEG. It is updated constantly and therefore is
not included in this distribution. The FAQ is posted every two weeks to
Usenet newsgroups comp.graphics.misc, news.answers, and other groups.
It is available on the World Wide Web at http://www.faqs.org/faqs/jpeg-faq/
and other news.answers archive sites, including the official news.answers
archive at rtfm.mit.edu: ftp://rtfm.mit.edu/pub/usenet/news.answers/jpeg-faq/.
If you don't have Web or FTP access, send e-mail to mail-server@rtfm.mit.edu
with body
send usenet/news.answers/jpeg-faq/part1
send usenet/news.answers/jpeg-faq/part2
RELATED SOFTWARE
================
Numerous viewing and image manipulation programs now support JPEG. (Quite a
few of them use this library to do so.) The JPEG FAQ described above lists
some of the more popular free and shareware viewers, and tells where to
obtain them on Internet.
If you are on a Unix machine, we highly recommend Jef Poskanzer's free
PBMPLUS software, which provides many useful operations on PPM-format image
files. In particular, it can convert PPM images to and from a wide range of
other formats, thus making cjpeg/djpeg considerably more useful. The latest
version is distributed by the NetPBM group, and is available from numerous
sites, notably ftp://wuarchive.wustl.edu/graphics/graphics/packages/NetPBM/.
Unfortunately PBMPLUS/NETPBM is not nearly as portable as the IJG software is;
you are likely to have difficulty making it work on any non-Unix machine.
A different free JPEG implementation, written by the PVRG group at Stanford,
is available from ftp://havefun.stanford.edu/pub/jpeg/. This program
is designed for research and experimentation rather than production use;
it is slower, harder to use, and less portable than the IJG code, but it
is easier to read and modify. Also, the PVRG code supports lossless JPEG,
which we do not. (On the other hand, it doesn't do progressive JPEG.)
FILE FORMAT WARS
================
Some JPEG programs produce files that are not compatible with our library.
The root of the problem is that the ISO JPEG committee failed to specify a
concrete file format. Some vendors "filled in the blanks" on their own,
creating proprietary formats that no one else could read. (For example, none
of the early commercial JPEG implementations for the Macintosh were able to
exchange compressed files.)
The file format we have adopted is called JFIF (see REFERENCES). This format
has been agreed to by a number of major commercial JPEG vendors, and it has
become the de facto standard. JFIF is a minimal or "low end" representation.
We recommend the use of TIFF/JPEG (TIFF revision 6.0 as modified by TIFF
Technical Note #2) for "high end" applications that need to record a lot of
additional data about an image. TIFF/JPEG is fairly new and not yet widely
supported, unfortunately.
The upcoming JPEG Part 3 standard defines a file format called SPIFF.
SPIFF is interoperable with JFIF, in the sense that most JFIF decoders should
be able to read the most common variant of SPIFF. SPIFF has some technical
advantages over JFIF, but its major claim to fame is simply that it is an
official standard rather than an informal one. At this point it is unclear
whether SPIFF will supersede JFIF or whether JFIF will remain the de-facto
standard. IJG intends to support SPIFF once the standard is frozen, but we
have not decided whether it should become our default output format or not.
(In any case, our decoder will remain capable of reading JFIF indefinitely.)
Various proprietary file formats incorporating JPEG compression also exist.
We have little or no sympathy for the existence of these formats. Indeed,
one of the original reasons for developing this free software was to help
force convergence on common, open format standards for JPEG files. Don't
use a proprietary file format!
TO DO
=====
The major thrust for v7 will probably be improvement of visual quality.
The current method for scaling the quantization tables is known not to be
very good at low Q values. We also intend to investigate block boundary
smoothing, "poor man's variable quantization", and other means of improving
quality-vs-file-size performance without sacrificing compatibility.
In future versions, we are considering supporting some of the upcoming JPEG
Part 3 extensions --- principally, variable quantization and the SPIFF file
format.
As always, speeding things up is of great interest.
Please send bug reports, offers of help, etc. to jpeg-info@uunet.uu.net.

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*******************************************************************************
** Background
*******************************************************************************
libjpeg-turbo is a high-speed version of libjpeg for x86 and x86-64 processors
which uses SIMD instructions (MMX, SSE2, etc.) to accelerate baseline JPEG
compression and decompression. libjpeg-turbo is generally 2-4x as fast
as the unmodified version of libjpeg, all else being equal.
libjpeg-turbo was originally based on libjpeg/SIMD by Miyasaka Masaru, but
the TigerVNC and VirtualGL projects made numerous enhancements to the codec,
including improved support for Mac OS X, 64-bit support, support for 32-bit
and big endian pixel formats, accelerated Huffman encoding/decoding, and
various bug fixes. The goal was to produce a fully open source codec that
could replace the partially closed source TurboJPEG/IPP codec used by VirtualGL
and TurboVNC. libjpeg-turbo generally performs in the range of 80-120% of
TurboJPEG/IPP. It is faster in some areas but slower in others.
It was decided to split libjpeg-turbo into a separate SDK so that other
projects could take advantage of this technology. The libjpeg-turbo shared
libraries can be used as drop-in replacements for libjpeg on most systems.
*******************************************************************************
** License
*******************************************************************************
Some of the optimizations to the Huffman encoder/decoder were borrowed from
VirtualGL, and thus the libjpeg-turbo distribution, as a whole, falls under the
wxWindows Library Licence, Version 3.1. A copy of this license can be found in
this directory under LICENSE.txt. The rest of the source code, apart from
these modifications, falls under a less restrictive license (see README.)
*******************************************************************************
** Using libjpeg-turbo
*******************************************************************************
=============================
Replacing libjpeg at Run Time
=============================
If a Unix application is dynamically linked with libjpeg, then you can replace
libjpeg with libjpeg-turbo at run time by manipulating the LD_LIBRARY_PATH.
For instance:
[Using libjpeg]
> time cjpeg <vgl_5674_0098.ppm >vgl_5674_0098.jpg
real 0m0.392s
user 0m0.074s
sys 0m0.020s
[Using libjpeg-turbo]
> export LD_LIBRARY_PATH=/opt/libjpeg-turbo/{lib}:$LD_LIBRARY_PATH
> time cjpeg <vgl_5674_0098.ppm >vgl_5674_0098.jpg
real 0m0.109s
user 0m0.029s
sys 0m0.010s
NOTE: {lib} can be lib, lib32, lib64, or lib/amd64, depending on the O/S and
architecture.
System administrators can also replace the libjpeg sym links in /usr/{lib} with
links to the libjpeg dynamic library located in /opt/libjpeg-turbo/{lib}. This
will effectively accelerate every dynamically linked libjpeg application on the
system.
The Windows distribution of the libjpeg-turbo SDK installs jpeg62.dll into
c:\libjpeg-turbo\bin, and the PATH environment variable can be modified such
that this directory is searched before any others that might contain
jpeg62.dll. However, if jpeg62.dll also exists in an application's install
directory, then Windows will load the application's version of it first. Thus,
if an application ships with jpeg62.dll, then back up the application's version
of jpeg62.dll and copy c:\libjpeg-turbo\bin\jpeg62.dll into the application's
install directory to accelerate it.
The version of jpeg62.dll distributed in the libjpeg-turbo SDK requires the
Visual C++ 2008 C run time DLL (msvcr90.dll). This library ships with more
recent versions of Windows, but users of older versions can obtain it from the
Visual C++ 2008 Redistributable Package, which is available as a free download
from Microsoft's web site.
NOTE: Features of libjpeg which require passing a C run time structure, such
as a file handle, from an application to libjpeg will probably not work with
the distributed version of jpeg62.dll unless the application is also built to
use the Visual C++ 2008 C run time DLL. In particular, this affects
jpeg_stdio_dest() and jpeg_stdio_src().
Mac applications typically embed their own copies of libjpeg.62.dylib inside
the (hidden) application bundle, so it is not possible to globally replace
libjpeg on OS X systems. If an application uses a shared library version of
libjpeg, then it may be possible to replace the application's version of it.
This would generally involve copying libjpeg.62.dylib into the appropriate
place in the application bundle and using install_name_tool to repoint the
dylib to the new directory. This requires an advanced knowledge of OS X and
would not survive an upgrade or a re-install of the application. Thus, it is
not recommended for most users.
=======================
Replacing TurboJPEG/IPP
=======================
libjpeg-turbo is a drop-in replacement for the TurboJPEG/IPP SDK used by
VirtualGL 2.1.x (and prior) and TurboVNC. libjpeg-turbo contains a wrapper
library (TurboJPEG/OSS) that emulates the TurboJPEG API using libjpeg-turbo
instead of the closed source Intel Performance Primitives. You can replace the
TurboJPEG/IPP package on Linux systems with the libjpeg-turbo package in order
to make existing releases of VirtualGL 2.1.x and TurboVNC use the new codec at
run time. Note that the 64-bit libjpeg-turbo packages contain only 64-bit
binaries, whereas the TurboJPEG/IPP 64-bit packages contain both 64-bit and
32-bit binaries. Thus, to replace a TurboJPEG/IPP 64-bit package, install
both the 64-bit and 32-bit versions of libjpeg-turbo.
You can also build the VirtualGL 2.1.x and TurboVNC source code with
the libjpeg-turbo SDK instead of TurboJPEG/IPP. It should work identically.
libjpeg-turbo also includes static library versions of TurboJPEG/OSS, which
are used to build VirtualGL 2.2 and later.
========================================
Using libjpeg-turbo in Your Own Programs
========================================
For the most part, libjpeg-turbo should work identically to libjpeg, so in
most cases, an application can be built against libjpeg and then run against
libjpeg-turbo. On Unix systems, you can build against libjpeg-turbo instead
of libjpeg by setting
CPATH=/opt/libjpeg-turbo/include
and
LIBRARY_PATH=/opt/libjpeg-turbo/{lib}
({lib} = lib, lib32, lib64, or lib/amd64, as appropriate.)
If using Cygwin, then set
CPATH=/cygdrive/c/libjpeg-turbo-gcc/include
and
LIBRARY_PATH=/cygdrive/c/libjpeg-turbo-gcc/lib
If using MinGW, then set
CPATH=/c/libjpeg-turbo-gcc/include
and
LIBRARY_PATH=/c/libjpeg-turbo-gcc/lib
Building against libjpeg-turbo is useful, for instance, if you want to build an
application that leverages the libjpeg-turbo colorspace extensions (see below.)
On Linux and Solaris systems, you would still need to manipulate the
LD_LIBRARY_PATH or sym links appropriately to use libjpeg-turbo at run time.
On such systems, you can pass -R /opt/libjpeg-turbo/{lib} to the linker to
force the use of libjpeg-turbo at run time rather than libjpeg (also useful if
you want to leverage the colorspace extensions), or you can link against the
libjpeg-turbo static library.
To force a Linux, Solaris, or MinGW application to link against the static
version of libjpeg-turbo, you can use the following linker options:
-Wl,-Bstatic -ljpeg -Wl,-Bdynamic
On OS X, simply add /opt/libjpeg-turbo/{lib}/libjpeg.a to the linker command
line (this also works on Linux and Solaris.)
To build Visual C++ applications using libjpeg-turbo, add
c:\libjpeg-turbo\include to your system or user INCLUDE environment variable
and c:\libjpeg-turbo\lib to your system or user LIB environment variable, and
then link against either jpeg.lib (to use jpeg62.dll) or jpeg-static.lib (to
use the static version of libjpeg-turbo.)
=====================
Colorspace Extensions
=====================
libjpeg-turbo includes extensions which allow JPEG images to be compressed
directly from (and decompressed directly to) buffers which use BGR, BGRA,
RGBA, ABGR, and ARGB pixel ordering. This is implemented with six new
colorspace constants:
JCS_EXT_RGB /* red/green/blue */
JCS_EXT_RGBX /* red/green/blue/x */
JCS_EXT_BGR /* blue/green/red */
JCS_EXT_BGRX /* blue/green/red/x */
JCS_EXT_XBGR /* x/blue/green/red */
JCS_EXT_XRGB /* x/red/green/blue */
Setting cinfo.in_color_space (compression) or cinfo.out_color_space
(decompression) to one of these values will cause libjpeg-turbo to read the
red, green, and blue values from (or write them to) the appropriate position in
the pixel when YUV conversion is performed.
Your application can check for the existence of these extensions at compile
time with:
#ifdef JCS_EXTENSIONS
At run time, attempting to use these extensions with a version of libjpeg
that doesn't support them will result in a "Bogus input colorspace" error.

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libjpeg-turbo note: This file has been modified by The libjpeg-turbo Project
to include only information relevant to libjpeg-turbo, to wordsmith certain
sections, and to remove impolitic language that existed in the libjpeg v8
README. It is included only for reference. Please see README.md for
information specific to libjpeg-turbo.
The Independent JPEG Group's JPEG software
==========================================
This distribution contains a release of the Independent JPEG Group's free JPEG
software. You are welcome to redistribute this software and to use it for any
purpose, subject to the conditions under LEGAL ISSUES, below.
This software is the work of Tom Lane, Guido Vollbeding, Philip Gladstone,
Bill Allombert, Jim Boucher, Lee Crocker, Bob Friesenhahn, Ben Jackson,
Julian Minguillon, Luis Ortiz, George Phillips, Davide Rossi, Ge' Weijers,
and other members of the Independent JPEG Group.
IJG is not affiliated with the ISO/IEC JTC1/SC29/WG1 standards committee
(also known as JPEG, together with ITU-T SG16).
DOCUMENTATION ROADMAP
=====================
This file contains the following sections:
OVERVIEW General description of JPEG and the IJG software.
LEGAL ISSUES Copyright, lack of warranty, terms of distribution.
REFERENCES Where to learn more about JPEG.
ARCHIVE LOCATIONS Where to find newer versions of this software.
FILE FORMAT WARS Software *not* to get.
TO DO Plans for future IJG releases.
Other documentation files in the distribution are:
User documentation:
usage.txt Usage instructions for cjpeg, djpeg, jpegtran,
rdjpgcom, and wrjpgcom.
*.1 Unix-style man pages for programs (same info as usage.txt).
wizard.txt Advanced usage instructions for JPEG wizards only.
change.log Version-to-version change highlights.
Programmer and internal documentation:
libjpeg.txt How to use the JPEG library in your own programs.
example.c Sample code for calling the JPEG library.
structure.txt Overview of the JPEG library's internal structure.
coderules.txt Coding style rules --- please read if you contribute code.
Please read at least usage.txt. Some information can also be found in the JPEG
FAQ (Frequently Asked Questions) article. See ARCHIVE LOCATIONS below to find
out where to obtain the FAQ article.
If you want to understand how the JPEG code works, we suggest reading one or
more of the REFERENCES, then looking at the documentation files (in roughly
the order listed) before diving into the code.
OVERVIEW
========
This package contains C software to implement JPEG image encoding, decoding,
and transcoding. JPEG (pronounced "jay-peg") is a standardized compression
method for full-color and grayscale images. JPEG's strong suit is compressing
photographic images or other types of images that have smooth color and
brightness transitions between neighboring pixels. Images with sharp lines or
other abrupt features may not compress well with JPEG, and a higher JPEG
quality may have to be used to avoid visible compression artifacts with such
images.
JPEG is lossy, meaning that the output pixels are not necessarily identical to
the input pixels. However, on photographic content and other "smooth" images,
very good compression ratios can be obtained with no visible compression
artifacts, and extremely high compression ratios are possible if you are
willing to sacrifice image quality (by reducing the "quality" setting in the
compressor.)
This software implements JPEG baseline, extended-sequential, and progressive
compression processes. Provision is made for supporting all variants of these
processes, although some uncommon parameter settings aren't implemented yet.
We have made no provision for supporting the hierarchical or lossless
processes defined in the standard.
We provide a set of library routines for reading and writing JPEG image files,
plus two sample applications "cjpeg" and "djpeg", which use the library to
perform conversion between JPEG and some other popular image file formats.
The library is intended to be reused in other applications.
In order to support file conversion and viewing software, we have included
considerable functionality beyond the bare JPEG coding/decoding capability;
for example, the color quantization modules are not strictly part of JPEG
decoding, but they are essential for output to colormapped file formats or
colormapped displays. These extra functions can be compiled out of the
library if not required for a particular application.
We have also included "jpegtran", a utility for lossless transcoding between
different JPEG processes, and "rdjpgcom" and "wrjpgcom", two simple
applications for inserting and extracting textual comments in JFIF files.
The emphasis in designing this software has been on achieving portability and
flexibility, while also making it fast enough to be useful. In particular,
the software is not intended to be read as a tutorial on JPEG. (See the
REFERENCES section for introductory material.) Rather, it is intended to
be reliable, portable, industrial-strength code. We do not claim to have
achieved that goal in every aspect of the software, but we strive for it.
We welcome the use of this software as a component of commercial products.
No royalty is required, but we do ask for an acknowledgement in product
documentation, as described under LEGAL ISSUES.
LEGAL ISSUES
============
In plain English:
1. We don't promise that this software works. (But if you find any bugs,
please let us know!)
2. You can use this software for whatever you want. You don't have to pay us.
3. You may not pretend that you wrote this software. If you use it in a
program, you must acknowledge somewhere in your documentation that
you've used the IJG code.
In legalese:
The authors make NO WARRANTY or representation, either express or implied,
with respect to this software, its quality, accuracy, merchantability, or
fitness for a particular purpose. This software is provided "AS IS", and you,
its user, assume the entire risk as to its quality and accuracy.
This software is copyright (C) 1991-2016, Thomas G. Lane, Guido Vollbeding.
All Rights Reserved except as specified below.
Permission is hereby granted to use, copy, modify, and distribute this
software (or portions thereof) for any purpose, without fee, subject to these
conditions:
(1) If any part of the source code for this software is distributed, then this
README file must be included, with this copyright and no-warranty notice
unaltered; and any additions, deletions, or changes to the original files
must be clearly indicated in accompanying documentation.
(2) If only executable code is distributed, then the accompanying
documentation must state that "this software is based in part on the work of
the Independent JPEG Group".
(3) Permission for use of this software is granted only if the user accepts
full responsibility for any undesirable consequences; the authors accept
NO LIABILITY for damages of any kind.
These conditions apply to any software derived from or based on the IJG code,
not just to the unmodified library. If you use our work, you ought to
acknowledge us.
Permission is NOT granted for the use of any IJG author's name or company name
in advertising or publicity relating to this software or products derived from
it. This software may be referred to only as "the Independent JPEG Group's
software".
We specifically permit and encourage the use of this software as the basis of
commercial products, provided that all warranty or liability claims are
assumed by the product vendor.
The Unix configuration script "configure" was produced with GNU Autoconf.
It is copyright by the Free Software Foundation but is freely distributable.
The same holds for its supporting scripts (config.guess, config.sub,
ltmain.sh). Another support script, install-sh, is copyright by X Consortium
but is also freely distributable.
The IJG distribution formerly included code to read and write GIF files.
To avoid entanglement with the Unisys LZW patent (now expired), GIF reading
support has been removed altogether, and the GIF writer has been simplified
to produce "uncompressed GIFs". This technique does not use the LZW
algorithm; the resulting GIF files are larger than usual, but are readable
by all standard GIF decoders.
We are required to state that
"The Graphics Interchange Format(c) is the Copyright property of
CompuServe Incorporated. GIF(sm) is a Service Mark property of
CompuServe Incorporated."
REFERENCES
==========
We recommend reading one or more of these references before trying to
understand the innards of the JPEG software.
The best short technical introduction to the JPEG compression algorithm is
Wallace, Gregory K. "The JPEG Still Picture Compression Standard",
Communications of the ACM, April 1991 (vol. 34 no. 4), pp. 30-44.
(Adjacent articles in that issue discuss MPEG motion picture compression,
applications of JPEG, and related topics.) If you don't have the CACM issue
handy, a PDF file containing a revised version of Wallace's article is
available at http://www.ijg.org/files/Wallace.JPEG.pdf. The file (actually
a preprint for an article that appeared in IEEE Trans. Consumer Electronics)
omits the sample images that appeared in CACM, but it includes corrections
and some added material. Note: the Wallace article is copyright ACM and IEEE,
and it may not be used for commercial purposes.
A somewhat less technical, more leisurely introduction to JPEG can be found in
"The Data Compression Book" by Mark Nelson and Jean-loup Gailly, published by
M&T Books (New York), 2nd ed. 1996, ISBN 1-55851-434-1. This book provides
good explanations and example C code for a multitude of compression methods
including JPEG. It is an excellent source if you are comfortable reading C
code but don't know much about data compression in general. The book's JPEG
sample code is far from industrial-strength, but when you are ready to look
at a full implementation, you've got one here...
The best currently available description of JPEG is the textbook "JPEG Still
Image Data Compression Standard" by William B. Pennebaker and Joan L.
Mitchell, published by Van Nostrand Reinhold, 1993, ISBN 0-442-01272-1.
Price US$59.95, 638 pp. The book includes the complete text of the ISO JPEG
standards (DIS 10918-1 and draft DIS 10918-2).
The original JPEG standard is divided into two parts, Part 1 being the actual
specification, while Part 2 covers compliance testing methods. Part 1 is
titled "Digital Compression and Coding of Continuous-tone Still Images,
Part 1: Requirements and guidelines" and has document numbers ISO/IEC IS
10918-1, ITU-T T.81. Part 2 is titled "Digital Compression and Coding of
Continuous-tone Still Images, Part 2: Compliance testing" and has document
numbers ISO/IEC IS 10918-2, ITU-T T.83.
The JPEG standard does not specify all details of an interchangeable file
format. For the omitted details we follow the "JFIF" conventions, revision
1.02. JFIF 1.02 has been adopted as an Ecma International Technical Report
and thus received a formal publication status. It is available as a free
download in PDF format from
http://www.ecma-international.org/publications/techreports/E-TR-098.htm.
A PostScript version of the JFIF document is available at
http://www.ijg.org/files/jfif.ps.gz. There is also a plain text version at
http://www.ijg.org/files/jfif.txt.gz, but it is missing the figures.
The TIFF 6.0 file format specification can be obtained by FTP from
ftp://ftp.sgi.com/graphics/tiff/TIFF6.ps.gz. The JPEG incorporation scheme
found in the TIFF 6.0 spec of 3-June-92 has a number of serious problems.
IJG does not recommend use of the TIFF 6.0 design (TIFF Compression tag 6).
Instead, we recommend the JPEG design proposed by TIFF Technical Note #2
(Compression tag 7). Copies of this Note can be obtained from
http://www.ijg.org/files/. It is expected that the next revision
of the TIFF spec will replace the 6.0 JPEG design with the Note's design.
Although IJG's own code does not support TIFF/JPEG, the free libtiff library
uses our library to implement TIFF/JPEG per the Note.
ARCHIVE LOCATIONS
=================
The "official" archive site for this software is www.ijg.org.
The most recent released version can always be found there in
directory "files".
The JPEG FAQ (Frequently Asked Questions) article is a source of some
general information about JPEG.
It is available on the World Wide Web at http://www.faqs.org/faqs/jpeg-faq/
and other news.answers archive sites, including the official news.answers
archive at rtfm.mit.edu: ftp://rtfm.mit.edu/pub/usenet/news.answers/jpeg-faq/.
If you don't have Web or FTP access, send e-mail to mail-server@rtfm.mit.edu
with body
send usenet/news.answers/jpeg-faq/part1
send usenet/news.answers/jpeg-faq/part2
FILE FORMAT WARS
================
The ISO/IEC JTC1/SC29/WG1 standards committee (also known as JPEG, together
with ITU-T SG16) currently promotes different formats containing the name
"JPEG" which are incompatible with original DCT-based JPEG. IJG therefore does
not support these formats (see REFERENCES). Indeed, one of the original
reasons for developing this free software was to help force convergence on
common, interoperable format standards for JPEG files.
Don't use an incompatible file format!
(In any case, our decoder will remain capable of reading existing JPEG
image files indefinitely.)
TO DO
=====
Please send bug reports, offers of help, etc. to jpeg-info@jpegclub.org.

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Background
==========
libjpeg-turbo is a JPEG image codec that uses SIMD instructions (MMX, SSE2,
NEON, AltiVec) to accelerate baseline JPEG compression and decompression on
x86, x86-64, ARM, and PowerPC systems. On such systems, libjpeg-turbo is
generally 2-6x as fast as libjpeg, all else being equal. On other types of
systems, libjpeg-turbo can still outperform libjpeg by a significant amount, by
virtue of its highly-optimized Huffman coding routines. In many cases, the
performance of libjpeg-turbo rivals that of proprietary high-speed JPEG codecs.
libjpeg-turbo implements both the traditional libjpeg API as well as the less
powerful but more straightforward TurboJPEG API. libjpeg-turbo also features
colorspace extensions that allow it to compress from/decompress to 32-bit and
big-endian pixel buffers (RGBX, XBGR, etc.), as well as a full-featured Java
interface.
libjpeg-turbo was originally based on libjpeg/SIMD, an MMX-accelerated
derivative of libjpeg v6b developed by Miyasaka Masaru. The TigerVNC and
VirtualGL projects made numerous enhancements to the codec in 2009, and in
early 2010, libjpeg-turbo spun off into an independent project, with the goal
of making high-speed JPEG compression/decompression technology available to a
broader range of users and developers.
License
=======
libjpeg-turbo is covered by three compatible BSD-style open source licenses.
Refer to [LICENSE.md](LICENSE.md) for a roll-up of license terms.
Building libjpeg-turbo
======================
Refer to [BUILDING.md](BUILDING.md) for complete instructions.
Using libjpeg-turbo
===================
libjpeg-turbo includes two APIs that can be used to compress and decompress
JPEG images:
- **TurboJPEG API**<br>
This API provides an easy-to-use interface for compressing and decompressing
JPEG images in memory. It also provides some functionality that would not be
straightforward to achieve using the underlying libjpeg API, such as
generating planar YUV images and performing multiple simultaneous lossless
transforms on an image. The Java interface for libjpeg-turbo is written on
top of the TurboJPEG API.
- **libjpeg API**<br>
This is the de facto industry-standard API for compressing and decompressing
JPEG images. It is more difficult to use than the TurboJPEG API but also
more powerful. The libjpeg API implementation in libjpeg-turbo is both
API/ABI-compatible and mathematically compatible with libjpeg v6b. It can
also optionally be configured to be API/ABI-compatible with libjpeg v7 and v8
(see below.)
There is no significant performance advantage to either API when both are used
to perform similar operations.
Colorspace Extensions
---------------------
libjpeg-turbo includes extensions that allow JPEG images to be compressed
directly from (and decompressed directly to) buffers that use BGR, BGRX,
RGBX, XBGR, and XRGB pixel ordering. This is implemented with ten new
colorspace constants:
JCS_EXT_RGB /* red/green/blue */
JCS_EXT_RGBX /* red/green/blue/x */
JCS_EXT_BGR /* blue/green/red */
JCS_EXT_BGRX /* blue/green/red/x */
JCS_EXT_XBGR /* x/blue/green/red */
JCS_EXT_XRGB /* x/red/green/blue */
JCS_EXT_RGBA /* red/green/blue/alpha */
JCS_EXT_BGRA /* blue/green/red/alpha */
JCS_EXT_ABGR /* alpha/blue/green/red */
JCS_EXT_ARGB /* alpha/red/green/blue */
Setting `cinfo.in_color_space` (compression) or `cinfo.out_color_space`
(decompression) to one of these values will cause libjpeg-turbo to read the
red, green, and blue values from (or write them to) the appropriate position in
the pixel when compressing from/decompressing to an RGB buffer.
Your application can check for the existence of these extensions at compile
time with:
#ifdef JCS_EXTENSIONS
At run time, attempting to use these extensions with a libjpeg implementation
that does not support them will result in a "Bogus input colorspace" error.
Applications can trap this error in order to test whether run-time support is
available for the colorspace extensions.
When using the RGBX, BGRX, XBGR, and XRGB colorspaces during decompression, the
X byte is undefined, and in order to ensure the best performance, libjpeg-turbo
can set that byte to whatever value it wishes. If an application expects the X
byte to be used as an alpha channel, then it should specify `JCS_EXT_RGBA`,
`JCS_EXT_BGRA`, `JCS_EXT_ABGR`, or `JCS_EXT_ARGB`. When these colorspace
constants are used, the X byte is guaranteed to be 0xFF, which is interpreted
as opaque.
Your application can check for the existence of the alpha channel colorspace
extensions at compile time with:
#ifdef JCS_ALPHA_EXTENSIONS
[jcstest.c](jcstest.c), located in the libjpeg-turbo source tree, demonstrates
how to check for the existence of the colorspace extensions at compile time and
run time.
libjpeg v7 and v8 API/ABI Emulation
-----------------------------------
With libjpeg v7 and v8, new features were added that necessitated extending the
compression and decompression structures. Unfortunately, due to the exposed
nature of those structures, extending them also necessitated breaking backward
ABI compatibility with previous libjpeg releases. Thus, programs that were
built to use libjpeg v7 or v8 did not work with libjpeg-turbo, since it is
based on the libjpeg v6b code base. Although libjpeg v7 and v8 are not
as widely used as v6b, enough programs (including a few Linux distros) made
the switch that there was a demand to emulate the libjpeg v7 and v8 ABIs
in libjpeg-turbo. It should be noted, however, that this feature was added
primarily so that applications that had already been compiled to use libjpeg
v7+ could take advantage of accelerated baseline JPEG encoding/decoding
without recompiling. libjpeg-turbo does not claim to support all of the
libjpeg v7+ features, nor to produce identical output to libjpeg v7+ in all
cases (see below.)
By passing an argument of `--with-jpeg7` or `--with-jpeg8` to `configure`, or
an argument of `-DWITH_JPEG7=1` or `-DWITH_JPEG8=1` to `cmake`, you can build a
version of libjpeg-turbo that emulates the libjpeg v7 or v8 ABI, so that
programs that are built against libjpeg v7 or v8 can be run with libjpeg-turbo.
The following section describes which libjpeg v7+ features are supported and
which aren't.
### Support for libjpeg v7 and v8 Features
#### Fully supported
- **libjpeg: IDCT scaling extensions in decompressor**<br>
libjpeg-turbo supports IDCT scaling with scaling factors of 1/8, 1/4, 3/8,
1/2, 5/8, 3/4, 7/8, 9/8, 5/4, 11/8, 3/2, 13/8, 7/4, 15/8, and 2/1 (only 1/4
and 1/2 are SIMD-accelerated.)
- **libjpeg: Arithmetic coding**
- **libjpeg: In-memory source and destination managers**<br>
See notes below.
- **cjpeg: Separate quality settings for luminance and chrominance**<br>
Note that the libpjeg v7+ API was extended to accommodate this feature only
for convenience purposes. It has always been possible to implement this
feature with libjpeg v6b (see rdswitch.c for an example.)
- **cjpeg: 32-bit BMP support**
- **cjpeg: `-rgb` option**
- **jpegtran: Lossless cropping**
- **jpegtran: `-perfect` option**
- **jpegtran: Forcing width/height when performing lossless crop**
- **rdjpgcom: `-raw` option**
- **rdjpgcom: Locale awareness**
#### Not supported
NOTE: As of this writing, extensive research has been conducted into the
usefulness of DCT scaling as a means of data reduction and SmartScale as a
means of quality improvement. The reader is invited to peruse the research at
<http://www.libjpeg-turbo.org/About/SmartScale> and draw his/her own conclusions,
but it is the general belief of our project that these features have not
demonstrated sufficient usefulness to justify inclusion in libjpeg-turbo.
- **libjpeg: DCT scaling in compressor**<br>
`cinfo.scale_num` and `cinfo.scale_denom` are silently ignored.
There is no technical reason why DCT scaling could not be supported when
emulating the libjpeg v7+ API/ABI, but without the SmartScale extension (see
below), only scaling factors of 1/2, 8/15, 4/7, 8/13, 2/3, 8/11, 4/5, and
8/9 would be available, which is of limited usefulness.
- **libjpeg: SmartScale**<br>
`cinfo.block_size` is silently ignored.
SmartScale is an extension to the JPEG format that allows for DCT block
sizes other than 8x8. Providing support for this new format would be
feasible (particularly without full acceleration.) However, until/unless
the format becomes either an official industry standard or, at minimum, an
accepted solution in the community, we are hesitant to implement it, as
there is no sense of whether or how it might change in the future. It is
our belief that SmartScale has not demonstrated sufficient usefulness as a
lossless format nor as a means of quality enhancement, and thus our primary
interest in providing this feature would be as a means of supporting
additional DCT scaling factors.
- **libjpeg: Fancy downsampling in compressor**<br>
`cinfo.do_fancy_downsampling` is silently ignored.
This requires the DCT scaling feature, which is not supported.
- **jpegtran: Scaling**<br>
This requires both the DCT scaling and SmartScale features, which are not
supported.
- **Lossless RGB JPEG files**<br>
This requires the SmartScale feature, which is not supported.
### What About libjpeg v9?
libjpeg v9 introduced yet another field to the JPEG compression structure
(`color_transform`), thus making the ABI backward incompatible with that of
libjpeg v8. This new field was introduced solely for the purpose of supporting
lossless SmartScale encoding. Furthermore, there was actually no reason to
extend the API in this manner, as the color transform could have just as easily
been activated by way of a new JPEG colorspace constant, thus preserving
backward ABI compatibility.
Our research (see link above) has shown that lossless SmartScale does not
generally accomplish anything that can't already be accomplished better with
existing, standard lossless formats. Therefore, at this time it is our belief
that there is not sufficient technical justification for software projects to
upgrade from libjpeg v8 to libjpeg v9, and thus there is not sufficient
technical justification for us to emulate the libjpeg v9 ABI.
In-Memory Source/Destination Managers
-------------------------------------
By default, libjpeg-turbo 1.3 and later includes the `jpeg_mem_src()` and
`jpeg_mem_dest()` functions, even when not emulating the libjpeg v8 API/ABI.
Previously, it was necessary to build libjpeg-turbo from source with libjpeg v8
API/ABI emulation in order to use the in-memory source/destination managers,
but several projects requested that those functions be included when emulating
the libjpeg v6b API/ABI as well. This allows the use of those functions by
programs that need them, without breaking ABI compatibility for programs that
don't, and it allows those functions to be provided in the "official"
libjpeg-turbo binaries.
Those who are concerned about maintaining strict conformance with the libjpeg
v6b or v7 API can pass an argument of `--without-mem-srcdst` to `configure` or
an argument of `-DWITH_MEM_SRCDST=0` to `cmake` prior to building
libjpeg-turbo. This will restore the pre-1.3 behavior, in which
`jpeg_mem_src()` and `jpeg_mem_dest()` are only included when emulating the
libjpeg v8 API/ABI.
On Un*x systems, including the in-memory source/destination managers changes
the dynamic library version from 62.1.0 to 62.2.0 if using libjpeg v6b API/ABI
emulation and from 7.1.0 to 7.2.0 if using libjpeg v7 API/ABI emulation.
Note that, on most Un*x systems, the dynamic linker will not look for a
function in a library until that function is actually used. Thus, if a program
is built against libjpeg-turbo 1.3+ and uses `jpeg_mem_src()` or
`jpeg_mem_dest()`, that program will not fail if run against an older version
of libjpeg-turbo or against libjpeg v7- until the program actually tries to
call `jpeg_mem_src()` or `jpeg_mem_dest()`. Such is not the case on Windows.
If a program is built against the libjpeg-turbo 1.3+ DLL and uses
`jpeg_mem_src()` or `jpeg_mem_dest()`, then it must use the libjpeg-turbo 1.3+
DLL at run time.
Both cjpeg and djpeg have been extended to allow testing the in-memory
source/destination manager functions. See their respective man pages for more
details.
Mathematical Compatibility
==========================
For the most part, libjpeg-turbo should produce identical output to libjpeg
v6b. The one exception to this is when using the floating point DCT/IDCT, in
which case the outputs of libjpeg v6b and libjpeg-turbo can differ for the
following reasons:
- The SSE/SSE2 floating point DCT implementation in libjpeg-turbo is ever so
slightly more accurate than the implementation in libjpeg v6b, but not by
any amount perceptible to human vision (generally in the range of 0.01 to
0.08 dB gain in PNSR.)
- When not using the SIMD extensions, libjpeg-turbo uses the more accurate
(and slightly faster) floating point IDCT algorithm introduced in libjpeg
v8a as opposed to the algorithm used in libjpeg v6b. It should be noted,
however, that this algorithm basically brings the accuracy of the floating
point IDCT in line with the accuracy of the slow integer IDCT. The floating
point DCT/IDCT algorithms are mainly a legacy feature, and they do not
produce significantly more accuracy than the slow integer algorithms (to put
numbers on this, the typical difference in PNSR between the two algorithms
is less than 0.10 dB, whereas changing the quality level by 1 in the upper
range of the quality scale is typically more like a 1.0 dB difference.)
- If the floating point algorithms in libjpeg-turbo are not implemented using
SIMD instructions on a particular platform, then the accuracy of the
floating point DCT/IDCT can depend on the compiler settings.
While libjpeg-turbo does emulate the libjpeg v8 API/ABI, under the hood it is
still using the same algorithms as libjpeg v6b, so there are several specific
cases in which libjpeg-turbo cannot be expected to produce the same output as
libjpeg v8:
- When decompressing using scaling factors of 1/2 and 1/4, because libjpeg v8
implements those scaling algorithms differently than libjpeg v6b does, and
libjpeg-turbo's SIMD extensions are based on the libjpeg v6b behavior.
- When using chrominance subsampling, because libjpeg v8 implements this
with its DCT/IDCT scaling algorithms rather than with a separate
downsampling/upsampling algorithm. In our testing, the subsampled/upsampled
output of libjpeg v8 is less accurate than that of libjpeg v6b for this
reason.
- When decompressing using a scaling factor > 1 and merged (AKA "non-fancy" or
"non-smooth") chrominance upsampling, because libjpeg v8 does not support
merged upsampling with scaling factors > 1.
Performance Pitfalls
====================
Restart Markers
---------------
The optimized Huffman decoder in libjpeg-turbo does not handle restart markers
in a way that makes the rest of the libjpeg infrastructure happy, so it is
necessary to use the slow Huffman decoder when decompressing a JPEG image that
has restart markers. This can cause the decompression performance to drop by
as much as 20%, but the performance will still be much greater than that of
libjpeg. Many consumer packages, such as PhotoShop, use restart markers when
generating JPEG images, so images generated by those programs will experience
this issue.
Fast Integer Forward DCT at High Quality Levels
-----------------------------------------------
The algorithm used by the SIMD-accelerated quantization function cannot produce
correct results whenever the fast integer forward DCT is used along with a JPEG
quality of 98-100. Thus, libjpeg-turbo must use the non-SIMD quantization
function in those cases. This causes performance to drop by as much as 40%.
It is therefore strongly advised that you use the slow integer forward DCT
whenever encoding images with a JPEG quality of 98 or higher.

166
acinclude.m4
View File

@@ -3,8 +3,11 @@
# Check that NASM exists and determine flags
AC_DEFUN([AC_PROG_NASM],[
AC_CHECK_PROGS(NASM, [nasm nasmw])
test -z "$NASM" && AC_MSG_ERROR([no nasm (Netwide Assembler) found])
AC_ARG_VAR(NASM, [NASM command (used to build the x86/x86-64 SIMD code)])
if test "x$NASM" = "x"; then
AC_CHECK_PROGS(NASM, [nasm nasmw yasm])
test -z "$NASM" && AC_MSG_ERROR([no nasm (Netwide Assembler) found])
fi
AC_MSG_CHECKING([for object file format of host system])
case "$host_os" in
@@ -40,11 +43,18 @@ case "$host_os" in
;;
esac
;;
freebsd* | netbsd* | openbsd*)
kfreebsd* | freebsd* | netbsd* | openbsd*)
if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then
objfmt='BSD-a.out'
else
objfmt='ELF'
case "$host_cpu" in
x86_64 | amd64)
objfmt='ELF64'
;;
*)
objfmt='ELF'
;;
esac
fi
;;
solaris* | sunos* | sysv* | sco*)
@@ -127,3 +137,151 @@ else
fi
])
# AC_CHECK_COMPATIBLE_ARM_ASSEMBLER_IFELSE
# --------------------------
# Test whether the assembler is suitable and supports NEON instructions
AC_DEFUN([AC_CHECK_COMPATIBLE_ARM_ASSEMBLER_IFELSE],[
ac_good_gnu_arm_assembler=no
ac_save_CC="$CC"
ac_save_CFLAGS="$CFLAGS"
CFLAGS="$CCASFLAGS -x assembler-with-cpp"
CC="$CCAS"
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
.text
.fpu neon
.arch armv7a
.object_arch armv4
.arm
pld [r0]
vmovn.u16 d0, q0]])], ac_good_gnu_arm_assembler=yes)
ac_use_gas_preprocessor=no
if test "x$ac_good_gnu_arm_assembler" = "xno" ; then
CC="gas-preprocessor.pl $CCAS"
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
.text
.fpu neon
.arch armv7a
.object_arch armv4
.arm
pld [r0]
vmovn.u16 d0, q0]])], ac_use_gas_preprocessor=yes)
fi
CFLAGS="$ac_save_CFLAGS"
CC="$ac_save_CC"
if test "x$ac_use_gas_preprocessor" = "xyes" ; then
CCAS="gas-preprocessor.pl $CCAS"
AC_SUBST([CCAS])
ac_good_gnu_arm_assembler=yes
fi
if test "x$ac_good_gnu_arm_assembler" = "xyes" ; then
$1
else
$2
fi
])
# AC_CHECK_COMPATIBLE_MIPSEL_ASSEMBLER_IFELSE
# --------------------------
# Test whether the assembler is suitable and supports MIPS instructions
AC_DEFUN([AC_CHECK_COMPATIBLE_MIPS_ASSEMBLER_IFELSE],[
have_mips_dspr2=no
ac_save_CFLAGS="$CFLAGS"
CFLAGS="$CCASFLAGS -mdspr2"
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
int main ()
{
int c = 0, a = 0, b = 0;
__asm__ __volatile__ (
"precr.qb.ph %[c], %[a], %[b] \n\t"
: [c] "=r" (c)
: [a] "r" (a), [b] "r" (b)
);
return c;
}
]])], have_mips_dspr2=yes)
CFLAGS=$ac_save_CFLAGS
if test "x$have_mips_dspr2" = "xyes" ; then
$1
else
$2
fi
])
AC_DEFUN([AC_CHECK_COMPATIBLE_ARM64_ASSEMBLER_IFELSE],[
ac_good_gnu_arm_assembler=no
ac_save_CC="$CC"
ac_save_CFLAGS="$CFLAGS"
CFLAGS="$CCASFLAGS -x assembler-with-cpp"
CC="$CCAS"
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
.text
MYVAR .req x0
movi v0.16b, #100
mov MYVAR, #100
.unreq MYVAR]])], ac_good_gnu_arm_assembler=yes)
ac_use_gas_preprocessor=no
if test "x$ac_good_gnu_arm_assembler" = "xno" ; then
CC="gas-preprocessor.pl $CCAS"
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
.text
MYVAR .req x0
movi v0.16b, #100
mov MYVAR, #100
.unreq MYVAR]])], ac_use_gas_preprocessor=yes)
fi
CFLAGS="$ac_save_CFLAGS"
CC="$ac_save_CC"
if test "x$ac_use_gas_preprocessor" = "xyes" ; then
CCAS="gas-preprocessor.pl $CCAS"
AC_SUBST([CCAS])
ac_good_gnu_arm_assembler=yes
fi
if test "x$ac_good_gnu_arm_assembler" = "xyes" ; then
$1
else
$2
fi
])
# AC_CHECK_ALTIVEC
# ----------------
# Test whether AltiVec intrinsics are supported
AC_DEFUN([AC_CHECK_ALTIVEC],[
ac_save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -maltivec"
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <altivec.h>
int main(void) {
__vector int vi = { 0, 0, 0, 0 };
int i[4];
vec_st(vi, 0, i);
return i[0];
}]])], ac_has_altivec=yes)
CFLAGS="$ac_save_CFLAGS"
if test "x$ac_has_altivec" = "xyes" ; then
$1
else
$2
fi
])
AC_DEFUN([AC_NO_SIMD],[
AC_MSG_RESULT([no ("$1")])
with_simd=no;
if test "x${require_simd}" = "xyes"; then
AC_MSG_ERROR([SIMD support not available for this CPU.])
else
AC_MSG_WARN([SIMD support not available for this CPU. Performance will\
suffer.])
fi
])

57
appveyor.yml Normal file
View File

@@ -0,0 +1,57 @@
install:
- cmd: >-
mkdir c:\installers
mkdir c:\temp
curl -fSL -o c:\installers\nasm-2.10.01-win32.zip http://www.nasm.us/pub/nasm/releasebuilds/2.10.01/win32/nasm-2.10.01-win32.zip
7z x c:\installers\nasm-2.10.01-win32.zip -oc:\ > c:\installers\nasm.install.log
set INCLUDE=c:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\include;c:\Program Files (x86)\Microsoft SDKs\Windows\v7.1A\include
set LIB=c:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\lib\amd64;c:\Program Files (x86)\Microsoft SDKs\Windows\v7.1A\lib\x64
set PATH=c:\nasm-2.10.01;c:\Program Files (x86)\NSIS;c:\msys64\mingw32\bin;c:\msys64\usr\bin;c:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\bin\amd64;c:\Program Files (x86)\Microsoft Visual Studio 10.0\Common7\IDE;c:\Program Files (x86)\Microsoft SDKs\Windows\v7.1A\bin\x64;c:\Program Files (x86)\Microsoft SDKs\Windows\v7.1A\bin;%PATH%
set MSYSTEM=MINGW32
bash -c "pacman --noconfirm -S autoconf automake libtool zip"
mklink /d "%ProgramData%\Oracle\Java32" "c:\Program Files (x86)\Java\jdk1.6.0"
git clone --depth=1 https://github.com/libjpeg-turbo/buildscripts.git c:/buildscripts
build_script:
- cmd: >-
for /f %%i in ('"cygpath %CD%"') do set MINGWPATH=%%i
bash c:/buildscripts/buildljt -r file://%MINGWPATH% -b /c/ljt.nightly %APPVEYOR_REPO_BRANCH% -v
move c:\ljt.nightly\files\*.tar.gz .
move c:\ljt.nightly\files\*.exe .
move c:\ljt.nightly\files\*.zip .
move c:\ljt.nightly\log-windows.txt .
artifacts:
- path: '*.tar.gz'
name: Source tarball
- path: '*-gcc*.exe'
name: SDK for MinGW
- path: '*-vc*.exe'
name: SDK for Visual C++
- path: '*.zip'
name: Windows JNI JARs
- path: 'log-windows.txt'
name: Build log
test: off
deploy: off

585
bmp.c
View File

@@ -1,370 +1,341 @@
/* Copyright (C)2004 Landmark Graphics Corporation
* Copyright (C)2005 Sun Microsystems, Inc.
/*
* Copyright (C)2011, 2015 D. R. Commander. All Rights Reserved.
*
* This library is free software and may be redistributed and/or modified under
* the terms of the wxWindows Library License, Version 3.1 or (at your option)
* any later version. The full license is in the LICENSE.txt file included
* with this distribution.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* wxWindows Library License for more details.
*/
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the libjpeg-turbo Project nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#ifdef _WIN32
#include <io.h>
#else
#include <unistd.h>
#endif
#include "./rrutil.h"
#include "./bmp.h"
#include <setjmp.h>
#include <errno.h>
#include "cdjpeg.h"
#include <jpeglib.h>
#include <jpegint.h>
#include "tjutil.h"
#include "bmp.h"
#ifndef BI_BITFIELDS
#define BI_BITFIELDS 3L
#endif
#ifndef BI_RGB
#define BI_RGB 0L
#endif
#define BMPHDRSIZE 54
typedef struct _bmphdr
/* This duplicates the functionality of the VirtualGL bitmap library using
the components from cjpeg and djpeg */
/* Error handling (based on example in example.c) */
static char errStr[JMSG_LENGTH_MAX]="No error";
struct my_error_mgr
{
unsigned short bfType;
unsigned int bfSize;
unsigned short bfReserved1, bfReserved2;
unsigned int bfOffBits;
struct jpeg_error_mgr pub;
jmp_buf setjmp_buffer;
};
typedef struct my_error_mgr *my_error_ptr;
unsigned int biSize;
int biWidth, biHeight;
unsigned short biPlanes, biBitCount;
unsigned int biCompression, biSizeImage;
int biXPelsPerMeter, biYPelsPerMeter;
unsigned int biClrUsed, biClrImportant;
} bmphdr;
static const char *__bmperr="No error";
static const int ps[BMPPIXELFORMATS]={3, 4, 3, 4, 4, 4};
static const int roffset[BMPPIXELFORMATS]={0, 0, 2, 2, 3, 1};
static const int goffset[BMPPIXELFORMATS]={1, 1, 1, 1, 2, 2};
static const int boffset[BMPPIXELFORMATS]={2, 2, 0, 0, 1, 3};
#define _throw(m) {__bmperr=m; retcode=-1; goto finally;}
#define _unix(f) {if((f)==-1) _throw(strerror(errno));}
#define _catch(f) {if((f)==-1) {retcode=-1; goto finally;}}
#define readme(fd, addr, size) \
if((bytesread=read(fd, addr, (size)))==-1) _throw(strerror(errno)); \
if(bytesread!=(size)) _throw("Read error");
void pixelconvert(unsigned char *srcbuf, enum BMPPIXELFORMAT srcformat,
int srcpitch, unsigned char *dstbuf, enum BMPPIXELFORMAT dstformat, int dstpitch,
int w, int h, int flip)
static void my_error_exit(j_common_ptr cinfo)
{
unsigned char *srcptr, *srcptr0, *dstptr, *dstptr0;
int i, j;
srcptr=flip? &srcbuf[srcpitch*(h-1)]:srcbuf;
for(j=0, dstptr=dstbuf; j<h; j++,
srcptr+=flip? -srcpitch:srcpitch, dstptr+=dstpitch)
{
for(i=0, srcptr0=srcptr, dstptr0=dstptr; i<w; i++,
srcptr0+=ps[srcformat], dstptr0+=ps[dstformat])
{
dstptr0[roffset[dstformat]]=srcptr0[roffset[srcformat]];
dstptr0[goffset[dstformat]]=srcptr0[goffset[srcformat]];
dstptr0[boffset[dstformat]]=srcptr0[boffset[srcformat]];
}
}
my_error_ptr myerr=(my_error_ptr)cinfo->err;
(*cinfo->err->output_message)(cinfo);
longjmp(myerr->setjmp_buffer, 1);
}
int loadppm(int *fd, unsigned char **buf, int *w, int *h,
enum BMPPIXELFORMAT f, int align, int dstbottomup, int ascii)
/* Based on output_message() in jerror.c */
static void my_output_message(j_common_ptr cinfo)
{
FILE *fs=NULL; int retcode=0, scalefactor, dstpitch;
unsigned char *tempbuf=NULL; char temps[255], temps2[255];
int numread=0, totalread=0, pixel[3], i, j;
(*cinfo->err->format_message)(cinfo, errStr);
}
if((fs=fdopen(*fd, "r"))==NULL) _throw(strerror(errno));
#define _throw(m) {snprintf(errStr, JMSG_LENGTH_MAX, "%s", m); \
retval=-1; goto bailout;}
#define _throwunix(m) {snprintf(errStr, JMSG_LENGTH_MAX, "%s\n%s", m, \
strerror(errno)); retval=-1; goto bailout;}
do
static void pixelconvert(unsigned char *srcbuf, int srcpf, int srcbottomup,
unsigned char *dstbuf, int dstpf, int dstbottomup, int w, int h)
{
unsigned char *srcrowptr=srcbuf, *srccolptr;
int srcps=tjPixelSize[srcpf];
int srcstride=srcbottomup? -w*srcps:w*srcps;
unsigned char *dstrowptr=dstbuf, *dstcolptr;
int dstps=tjPixelSize[dstpf];
int dststride=dstbottomup? -w*dstps:w*dstps;
int row, col;
if(srcbottomup) srcrowptr=&srcbuf[w*srcps*(h-1)];
if(dstbottomup) dstrowptr=&dstbuf[w*dstps*(h-1)];
/* NOTE: These quick & dirty CMYK<->RGB conversion routines are for testing
purposes only. Properly converting between CMYK and RGB requires a color
management system. */
if(dstpf==TJPF_CMYK)
{
if(!fgets(temps, 255, fs)) _throw("Read error");
if(strlen(temps)==0 || temps[0]=='\n') continue;
if(sscanf(temps, "%s", temps2)==1 && temps2[1]=='#') continue;
switch(totalread)
for(row=0; row<h; row++, srcrowptr+=srcstride, dstrowptr+=dststride)
{
case 0:
if((numread=sscanf(temps, "%d %d %d", w, h, &scalefactor))==EOF)
_throw("Read error");
break;
case 1:
if((numread=sscanf(temps, "%d %d", h, &scalefactor))==EOF)
_throw("Read error");
break;
case 2:
if((numread=sscanf(temps, "%d", &scalefactor))==EOF)
_throw("Read error");
break;
}
totalread+=numread;
} while(totalread<3);
if((*w)<1 || (*h)<1 || scalefactor<1) _throw("Corrupt PPM header");
dstpitch=(((*w)*ps[f])+(align-1))&(~(align-1));
if((*buf=(unsigned char *)malloc(dstpitch*(*h)))==NULL)
_throw("Memory allocation error");
if(ascii)
{
for(j=0; j<*h; j++)
{
for(i=0; i<*w; i++)
for(col=0, srccolptr=srcrowptr, dstcolptr=dstrowptr;
col<w; col++, srccolptr+=srcps)
{
if(fscanf(fs, "%d%d%d", &pixel[0], &pixel[1], &pixel[2])!=3)
_throw("Read error");
(*buf)[j*dstpitch+i*ps[f]+roffset[f]]=(unsigned char)(pixel[0]*255/scalefactor);
(*buf)[j*dstpitch+i*ps[f]+goffset[f]]=(unsigned char)(pixel[1]*255/scalefactor);
(*buf)[j*dstpitch+i*ps[f]+boffset[f]]=(unsigned char)(pixel[2]*255/scalefactor);
double c=1.0-((double)(srccolptr[tjRedOffset[srcpf]])/255.);
double m=1.0-((double)(srccolptr[tjGreenOffset[srcpf]])/255.);
double y=1.0-((double)(srccolptr[tjBlueOffset[srcpf]])/255.);
double k=min(min(c,m),min(y,1.0));
if(k==1.0) c=m=y=0.0;
else
{
c=(c-k)/(1.0-k);
m=(m-k)/(1.0-k);
y=(y-k)/(1.0-k);
}
if(c>1.0) c=1.0;
if(c<0.) c=0.;
if(m>1.0) m=1.0;
if(m<0.) m=0.;
if(y>1.0) y=1.0;
if(y<0.) y=0.;
if(k>1.0) k=1.0;
if(k<0.) k=0.;
*dstcolptr++=(unsigned char)(255.0-c*255.0+0.5);
*dstcolptr++=(unsigned char)(255.0-m*255.0+0.5);
*dstcolptr++=(unsigned char)(255.0-y*255.0+0.5);
*dstcolptr++=(unsigned char)(255.0-k*255.0+0.5);
}
}
}
else if(srcpf==TJPF_CMYK)
{
for(row=0; row<h; row++, srcrowptr+=srcstride, dstrowptr+=dststride)
{
for(col=0, srccolptr=srcrowptr, dstcolptr=dstrowptr;
col<w; col++, dstcolptr+=dstps)
{
double c=(double)(*srccolptr++);
double m=(double)(*srccolptr++);
double y=(double)(*srccolptr++);
double k=(double)(*srccolptr++);
double r=c*k/255.;
double g=m*k/255.;
double b=y*k/255.;
if(r>255.0) r=255.0;
if(r<0.) r=0.;
if(g>255.0) g=255.0;
if(g<0.) g=0.;
if(b>255.0) b=255.0;
if(b<0.) b=0.;
dstcolptr[tjRedOffset[dstpf]]=(unsigned char)(r+0.5);
dstcolptr[tjGreenOffset[dstpf]]=(unsigned char)(g+0.5);
dstcolptr[tjBlueOffset[dstpf]]=(unsigned char)(b+0.5);
}
}
}
else
{
if(scalefactor!=255)
_throw("Binary PPMs must have 8-bit components");
if((tempbuf=(unsigned char *)malloc((*w)*(*h)*3))==NULL)
_throw("Memory allocation error");
if(fread(tempbuf, (*w)*(*h)*3, 1, fs)!=1) _throw("Read error");
pixelconvert(tempbuf, BMP_RGB, (*w)*3, *buf, f, dstpitch, *w, *h, dstbottomup);
for(row=0; row<h; row++, srcrowptr+=srcstride, dstrowptr+=dststride)
{
for(col=0, srccolptr=srcrowptr, dstcolptr=dstrowptr;
col<w; col++, srccolptr+=srcps, dstcolptr+=dstps)
{
dstcolptr[tjRedOffset[dstpf]]=srccolptr[tjRedOffset[srcpf]];
dstcolptr[tjGreenOffset[dstpf]]=srccolptr[tjGreenOffset[srcpf]];
dstcolptr[tjBlueOffset[dstpf]]=srccolptr[tjBlueOffset[srcpf]];
}
}
}
finally:
if(fs) {fclose(fs); *fd=-1;}
if(tempbuf) free(tempbuf);
return retcode;
}
int loadbmp(char *filename, unsigned char **buf, int *w, int *h,
enum BMPPIXELFORMAT f, int align, int dstbottomup)
int loadbmp(char *filename, unsigned char **buf, int *w, int *h,
int dstpf, int bottomup)
{
int fd=-1, bytesread, srcpitch, srcbottomup=1, srcps, dstpitch,
retcode=0;
unsigned char *tempbuf=NULL;
bmphdr bh; int flags=O_RDONLY;
int retval=0, dstps, srcpf, tempc;
struct jpeg_compress_struct cinfo;
struct my_error_mgr jerr;
cjpeg_source_ptr src;
FILE *file=NULL;
dstbottomup=dstbottomup? 1:0;
#ifdef _WIN32
flags|=O_BINARY;
#endif
if(!filename || !buf || !w || !h || f<0 || f>BMPPIXELFORMATS-1 || align<1)
_throw("invalid argument to loadbmp()");
if((align&(align-1))!=0)
_throw("Alignment must be a power of 2");
_unix(fd=open(filename, flags));
memset(&cinfo, 0, sizeof(struct jpeg_compress_struct));
readme(fd, &bh.bfType, sizeof(unsigned short));
if(!littleendian()) bh.bfType=byteswap16(bh.bfType);
if(!filename || !buf || !w || !h || dstpf<0 || dstpf>=TJ_NUMPF)
_throw("loadbmp(): Invalid argument");
if(bh.bfType==0x3650)
if((file=fopen(filename, "rb"))==NULL)
_throwunix("loadbmp(): Cannot open input file");
cinfo.err=jpeg_std_error(&jerr.pub);
jerr.pub.error_exit=my_error_exit;
jerr.pub.output_message=my_output_message;
if(setjmp(jerr.setjmp_buffer))
{
_catch(loadppm(&fd, buf, w, h, f, align, dstbottomup, 0));
goto finally;
}
if(bh.bfType==0x3350)
{
_catch(loadppm(&fd, buf, w, h, f, align, dstbottomup, 1));
goto finally;
/* If we get here, the JPEG code has signaled an error. */
retval=-1; goto bailout;
}
readme(fd, &bh.bfSize, sizeof(unsigned int));
readme(fd, &bh.bfReserved1, sizeof(unsigned short));
readme(fd, &bh.bfReserved2, sizeof(unsigned short));
readme(fd, &bh.bfOffBits, sizeof(unsigned int));
readme(fd, &bh.biSize, sizeof(unsigned int));
readme(fd, &bh.biWidth, sizeof(int));
readme(fd, &bh.biHeight, sizeof(int));
readme(fd, &bh.biPlanes, sizeof(unsigned short));
readme(fd, &bh.biBitCount, sizeof(unsigned short));
readme(fd, &bh.biCompression, sizeof(unsigned int));
readme(fd, &bh.biSizeImage, sizeof(unsigned int));
readme(fd, &bh.biXPelsPerMeter, sizeof(int));
readme(fd, &bh.biYPelsPerMeter, sizeof(int));
readme(fd, &bh.biClrUsed, sizeof(unsigned int));
readme(fd, &bh.biClrImportant, sizeof(unsigned int));
jpeg_create_compress(&cinfo);
if((tempc=getc(file))<0 || ungetc(tempc, file)==EOF)
_throwunix("loadbmp(): Could not read input file")
else if(tempc==EOF) _throw("loadbmp(): Input file contains no data");
if(!littleendian())
if(tempc=='B')
{
bh.bfSize=byteswap(bh.bfSize);
bh.bfOffBits=byteswap(bh.bfOffBits);
bh.biSize=byteswap(bh.biSize);
bh.biWidth=byteswap(bh.biWidth);
bh.biHeight=byteswap(bh.biHeight);
bh.biPlanes=byteswap16(bh.biPlanes);
bh.biBitCount=byteswap16(bh.biBitCount);
bh.biCompression=byteswap(bh.biCompression);
bh.biSizeImage=byteswap(bh.biSizeImage);
bh.biXPelsPerMeter=byteswap(bh.biXPelsPerMeter);
bh.biYPelsPerMeter=byteswap(bh.biYPelsPerMeter);
bh.biClrUsed=byteswap(bh.biClrUsed);
bh.biClrImportant=byteswap(bh.biClrImportant);
if((src=jinit_read_bmp(&cinfo))==NULL)
_throw("loadbmp(): Could not initialize bitmap loader");
}
else if(tempc=='P')
{
if((src=jinit_read_ppm(&cinfo))==NULL)
_throw("loadbmp(): Could not initialize bitmap loader");
}
else _throw("loadbmp(): Unsupported file type");
src->input_file=file;
(*src->start_input)(&cinfo, src);
(*cinfo.mem->realize_virt_arrays)((j_common_ptr)&cinfo);
*w=cinfo.image_width; *h=cinfo.image_height;
if(cinfo.input_components==1 && cinfo.in_color_space==JCS_RGB)
srcpf=TJPF_GRAY;
else srcpf=TJPF_RGB;
dstps=tjPixelSize[dstpf];
if((*buf=(unsigned char *)malloc((*w)*(*h)*dstps))==NULL)
_throw("loadbmp(): Memory allocation failure");
while(cinfo.next_scanline<cinfo.image_height)
{
int i, nlines=(*src->get_pixel_rows)(&cinfo, src);
for(i=0; i<nlines; i++)
{
unsigned char *outbuf; int row;
row=cinfo.next_scanline+i;
if(bottomup) outbuf=&(*buf)[((*h)-row-1)*(*w)*dstps];
else outbuf=&(*buf)[row*(*w)*dstps];
pixelconvert(src->buffer[i], srcpf, 0, outbuf, dstpf, bottomup, *w,
nlines);
}
cinfo.next_scanline+=nlines;
}
if(bh.bfType!=0x4d42 || bh.bfOffBits<BMPHDRSIZE
|| bh.biWidth<1 || bh.biHeight==0)
_throw("Corrupt bitmap header");
if((bh.biBitCount!=24 && bh.biBitCount!=32) || bh.biCompression!=BI_RGB)
_throw("Only uncompessed RGB bitmaps are supported");
(*src->finish_input)(&cinfo, src);
*w=bh.biWidth; *h=bh.biHeight; srcps=bh.biBitCount/8;
if(*h<0) {*h=-(*h); srcbottomup=0;}
srcpitch=(((*w)*srcps)+3)&(~3);
dstpitch=(((*w)*ps[f])+(align-1))&(~(align-1));
if(srcpitch*(*h)+bh.bfOffBits!=bh.bfSize) _throw("Corrupt bitmap header");
if((tempbuf=(unsigned char *)malloc(srcpitch*(*h)))==NULL
|| (*buf=(unsigned char *)malloc(dstpitch*(*h)))==NULL)
_throw("Memory allocation error");
if(lseek(fd, (long)bh.bfOffBits, SEEK_SET)!=(long)bh.bfOffBits)
_throw(strerror(errno));
_unix(bytesread=read(fd, tempbuf, srcpitch*(*h)));
if(bytesread!=srcpitch*(*h)) _throw("Read error");
pixelconvert(tempbuf, BMP_BGR, srcpitch, *buf, f, dstpitch, *w, *h,
srcbottomup!=dstbottomup);
finally:
if(tempbuf) free(tempbuf);
if(fd!=-1) close(fd);
return retcode;
bailout:
jpeg_destroy_compress(&cinfo);
if(file) fclose(file);
if(retval<0 && buf && *buf) {free(*buf); *buf=NULL;}
return retval;
}
#define writeme(fd, addr, size) \
if((byteswritten=write(fd, addr, (size)))==-1) _throw(strerror(errno)); \
if(byteswritten!=(size)) _throw("Write error");
int saveppm(char *filename, unsigned char *buf, int w, int h,
enum BMPPIXELFORMAT f, int srcpitch, int srcbottomup)
int savebmp(char *filename, unsigned char *buf, int w, int h, int srcpf,
int bottomup)
{
FILE *fs=NULL; int retcode=0;
unsigned char *tempbuf=NULL;
int retval=0, srcps, dstpf;
struct jpeg_decompress_struct dinfo;
struct my_error_mgr jerr;
djpeg_dest_ptr dst;
FILE *file=NULL;
char *ptr=NULL;
if((fs=fopen(filename, "wb"))==NULL) _throw(strerror(errno));
if(fprintf(fs, "P6\n")<1) _throw("Write error");
if(fprintf(fs, "%d %d\n", w, h)<1) _throw("Write error");
if(fprintf(fs, "255\n")<1) _throw("Write error");
memset(&dinfo, 0, sizeof(struct jpeg_decompress_struct));
if((tempbuf=(unsigned char *)malloc(w*h*3))==NULL)
_throw("Memory allocation error");
if(!filename || !buf || w<1 || h<1 || srcpf<0 || srcpf>=TJ_NUMPF)
_throw("savebmp(): Invalid argument");
pixelconvert(buf, f, srcpitch, tempbuf, BMP_RGB, w*3, w, h,
srcbottomup);
if((file=fopen(filename, "wb"))==NULL)
_throwunix("savebmp(): Cannot open output file");
if((fwrite(tempbuf, w*h*3, 1, fs))!=1) _throw("Write error");
dinfo.err=jpeg_std_error(&jerr.pub);
jerr.pub.error_exit=my_error_exit;
jerr.pub.output_message=my_output_message;
finally:
if(tempbuf) free(tempbuf);
if(fs) fclose(fs);
return retcode;
}
int savebmp(char *filename, unsigned char *buf, int w, int h,
enum BMPPIXELFORMAT f, int srcpitch, int srcbottomup)
{
int fd=-1, byteswritten, dstpitch, retcode=0;
int flags=O_RDWR|O_CREAT|O_TRUNC;
unsigned char *tempbuf=NULL; char *temp;
bmphdr bh; int mode;
#ifdef _WIN32
flags|=O_BINARY; mode=_S_IREAD|_S_IWRITE;
#else
mode=S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH;
#endif
if(!filename || !buf || w<1 || h<1 || f<0 || f>BMPPIXELFORMATS-1 || srcpitch<0)
_throw("bad argument to savebmp()");
if(srcpitch==0) srcpitch=w*ps[f];
if((temp=strrchr(filename, '.'))!=NULL)
if(setjmp(jerr.setjmp_buffer))
{
if(!stricmp(temp, ".ppm"))
return saveppm(filename, buf, w, h, f, srcpitch, srcbottomup);
/* If we get here, the JPEG code has signaled an error. */
retval=-1; goto bailout;
}
_unix(fd=open(filename, flags, mode));
dstpitch=((w*3)+3)&(~3);
bh.bfType=0x4d42;
bh.bfSize=BMPHDRSIZE+dstpitch*h;
bh.bfReserved1=0; bh.bfReserved2=0;
bh.bfOffBits=BMPHDRSIZE;
bh.biSize=40;
bh.biWidth=w; bh.biHeight=h;
bh.biPlanes=0; bh.biBitCount=24;
bh.biCompression=BI_RGB; bh.biSizeImage=0;
bh.biXPelsPerMeter=0; bh.biYPelsPerMeter=0;
bh.biClrUsed=0; bh.biClrImportant=0;
if(!littleendian())
jpeg_create_decompress(&dinfo);
if(srcpf==TJPF_GRAY)
{
bh.bfType=byteswap16(bh.bfType);
bh.bfSize=byteswap(bh.bfSize);
bh.bfOffBits=byteswap(bh.bfOffBits);
bh.biSize=byteswap(bh.biSize);
bh.biWidth=byteswap(bh.biWidth);
bh.biHeight=byteswap(bh.biHeight);
bh.biPlanes=byteswap16(bh.biPlanes);
bh.biBitCount=byteswap16(bh.biBitCount);
bh.biCompression=byteswap(bh.biCompression);
bh.biSizeImage=byteswap(bh.biSizeImage);
bh.biXPelsPerMeter=byteswap(bh.biXPelsPerMeter);
bh.biYPelsPerMeter=byteswap(bh.biYPelsPerMeter);
bh.biClrUsed=byteswap(bh.biClrUsed);
bh.biClrImportant=byteswap(bh.biClrImportant);
dinfo.out_color_components=dinfo.output_components=1;
dinfo.out_color_space=JCS_GRAYSCALE;
}
else
{
dinfo.out_color_components=dinfo.output_components=3;
dinfo.out_color_space=JCS_RGB;
}
dinfo.image_width=w; dinfo.image_height=h;
dinfo.global_state=DSTATE_READY;
dinfo.scale_num=dinfo.scale_denom=1;
ptr=strrchr(filename, '.');
if(ptr && !strcasecmp(ptr, ".bmp"))
{
if((dst=jinit_write_bmp(&dinfo, 0))==NULL)
_throw("savebmp(): Could not initialize bitmap writer");
}
else
{
if((dst=jinit_write_ppm(&dinfo))==NULL)
_throw("savebmp(): Could not initialize PPM writer");
}
writeme(fd, &bh.bfType, sizeof(unsigned short));
writeme(fd, &bh.bfSize, sizeof(unsigned int));
writeme(fd, &bh.bfReserved1, sizeof(unsigned short));
writeme(fd, &bh.bfReserved2, sizeof(unsigned short));
writeme(fd, &bh.bfOffBits, sizeof(unsigned int));
writeme(fd, &bh.biSize, sizeof(unsigned int));
writeme(fd, &bh.biWidth, sizeof(int));
writeme(fd, &bh.biHeight, sizeof(int));
writeme(fd, &bh.biPlanes, sizeof(unsigned short));
writeme(fd, &bh.biBitCount, sizeof(unsigned short));
writeme(fd, &bh.biCompression, sizeof(unsigned int));
writeme(fd, &bh.biSizeImage, sizeof(unsigned int));
writeme(fd, &bh.biXPelsPerMeter, sizeof(int));
writeme(fd, &bh.biYPelsPerMeter, sizeof(int));
writeme(fd, &bh.biClrUsed, sizeof(unsigned int));
writeme(fd, &bh.biClrImportant, sizeof(unsigned int));
dst->output_file=file;
(*dst->start_output)(&dinfo, dst);
(*dinfo.mem->realize_virt_arrays)((j_common_ptr)&dinfo);
if((tempbuf=(unsigned char *)malloc(dstpitch*h))==NULL)
_throw("Memory allocation error");
if(srcpf==TJPF_GRAY) dstpf=srcpf;
else dstpf=TJPF_RGB;
srcps=tjPixelSize[srcpf];
pixelconvert(buf, f, srcpitch, tempbuf, BMP_BGR, dstpitch, w, h,
!srcbottomup);
while(dinfo.output_scanline<dinfo.output_height)
{
int i, nlines=dst->buffer_height;
for(i=0; i<nlines; i++)
{
unsigned char *inbuf; int row;
row=dinfo.output_scanline+i;
if(bottomup) inbuf=&buf[(h-row-1)*w*srcps];
else inbuf=&buf[row*w*srcps];
pixelconvert(inbuf, srcpf, bottomup, dst->buffer[i], dstpf, 0, w,
nlines);
}
(*dst->put_pixel_rows)(&dinfo, dst, nlines);
dinfo.output_scanline+=nlines;
}
if((byteswritten=write(fd, tempbuf, dstpitch*h))!=dstpitch*h)
_throw(strerror(errno));
(*dst->finish_output)(&dinfo, dst);
finally:
if(tempbuf) free(tempbuf);
if(fd!=-1) close(fd);
return retcode;
bailout:
jpeg_destroy_decompress(&dinfo);
if(file) fclose(file);
return retval;
}
const char *bmpgeterr(void)
{
return __bmperr;
return errStr;
}

66
bmp.h
View File

@@ -1,48 +1,42 @@
/* Copyright (C)2004 Landmark Graphics Corporation
* Copyright (C)2005 Sun Microsystems, Inc.
/*
* Copyright (C)2011 D. R. Commander. All Rights Reserved.
*
* This library is free software and may be redistributed and/or modified under
* the terms of the wxWindows Library License, Version 3.1 or (at your option)
* any later version. The full license is in the LICENSE.txt file included
* with this distribution.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* wxWindows Library License for more details.
*/
// This provides rudimentary facilities for loading and saving true color
// BMP and PPM files
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the libjpeg-turbo Project nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __BMP_H__
#define __BMP_H__
#define BMPPIXELFORMATS 6
enum BMPPIXELFORMAT {BMP_RGB=0, BMP_RGBA, BMP_BGR, BMP_BGRA, BMP_ABGR, BMP_ARGB};
#include "./turbojpeg.h"
#ifdef __cplusplus
extern "C" {
#endif
int loadbmp(char *filename, unsigned char **buf, int *w, int *h, int pf,
int bottomup);
// This will load a Windows bitmap from a file and return a buffer with the
// specified pixel format, scanline alignment, and orientation. The width and
// height are returned in w and h.
int loadbmp(char *filename, unsigned char **buf, int *w, int *h,
enum BMPPIXELFORMAT f, int align, int dstbottomup);
// This will save a buffer with the specified pixel format, pitch, orientation,
// width, and height as a 24-bit Windows bitmap or PPM (the filename determines
// which format to use)
int savebmp(char *filename, unsigned char *buf, int w, int h,
enum BMPPIXELFORMAT f, int srcpitch, int srcbottomup);
int savebmp(char *filename, unsigned char *buf, int w, int h, int pf,
int bottomup);
const char *bmpgeterr(void);
#ifdef __cplusplus
}
#endif
#endif

16
cderror.h
View File

@@ -2,8 +2,10 @@
* cderror.h
*
* Copyright (C) 1994-1997, Thomas G. Lane.
* Modified 2009 by Guido Vollbeding.
* This file is part of the Independent JPEG Group's software.
* For conditions of distribution and use, see the accompanying README file.
* For conditions of distribution and use, see the accompanying README.ijg
* file.
*
* This file defines the error and message codes for the cjpeg/djpeg
* applications. These strings are not needed as part of the JPEG library
@@ -32,7 +34,7 @@
typedef enum {
#define JMESSAGE(code,string) code ,
#define JMESSAGE(code,string) code ,
#endif /* JMAKE_ENUM_LIST */
@@ -45,6 +47,7 @@ JMESSAGE(JERR_BMP_BADHEADER, "Invalid BMP file: bad header length")
JMESSAGE(JERR_BMP_BADPLANES, "Invalid BMP file: biPlanes not equal to 1")
JMESSAGE(JERR_BMP_COLORSPACE, "BMP output must be grayscale or RGB")
JMESSAGE(JERR_BMP_COMPRESSED, "Sorry, compressed BMPs not yet supported")
JMESSAGE(JERR_BMP_EMPTY, "Empty BMP image")
JMESSAGE(JERR_BMP_NOT, "Not a BMP file - does not start with BM")
JMESSAGE(JTRC_BMP, "%ux%u 24-bit BMP image")
JMESSAGE(JTRC_BMP_MAPPED, "%ux%u 8-bit colormapped BMP image")
@@ -60,7 +63,7 @@ JMESSAGE(JERR_GIF_IMAGENOTFOUND, "Too few images in GIF file")
JMESSAGE(JERR_GIF_NOT, "Not a GIF file")
JMESSAGE(JTRC_GIF, "%ux%ux%d GIF image")
JMESSAGE(JTRC_GIF_BADVERSION,
"Warning: unexpected GIF version number '%c%c%c'")
"Warning: unexpected GIF version number '%c%c%c'")
JMESSAGE(JTRC_GIF_EXTENSION, "Ignoring GIF extension block of type 0x%02x")
JMESSAGE(JTRC_GIF_NONSQUARE, "Caution: nonsquare pixels in input")
JMESSAGE(JWRN_GIF_BADDATA, "Corrupt data in GIF file")
@@ -72,6 +75,7 @@ JMESSAGE(JWRN_GIF_NOMOREDATA, "Ran out of GIF bits")
#ifdef PPM_SUPPORTED
JMESSAGE(JERR_PPM_COLORSPACE, "PPM output must be grayscale or RGB")
JMESSAGE(JERR_PPM_NONNUMERIC, "Nonnumeric data in PPM file")
JMESSAGE(JERR_PPM_TOOLARGE, "Integer value too large in PPM file")
JMESSAGE(JERR_PPM_NOT, "Not a PPM/PGM file")
JMESSAGE(JTRC_PGM, "%ux%u PGM image")
JMESSAGE(JTRC_PGM_TEXT, "%ux%u text PGM image")
@@ -108,13 +112,13 @@ JMESSAGE(JERR_TGA_NOTCOMP, "Targa support was not compiled")
#endif /* TARGA_SUPPORTED */
JMESSAGE(JERR_BAD_CMAP_FILE,
"Color map file is invalid or of unsupported format")
"Color map file is invalid or of unsupported format")
JMESSAGE(JERR_TOO_MANY_COLORS,
"Output file format cannot handle %d colormap entries")
"Output file format cannot handle %d colormap entries")
JMESSAGE(JERR_UNGETC_FAILED, "ungetc failed")
#ifdef TARGA_SUPPORTED
JMESSAGE(JERR_UNKNOWN_FORMAT,
"Unrecognized input file format --- perhaps you need -targa")
"Unrecognized input file format --- perhaps you need -targa")
#else
JMESSAGE(JERR_UNKNOWN_FORMAT, "Unrecognized input file format")
#endif

79
cdjpeg.c
View File

@@ -1,60 +1,23 @@
/*
* cdjpeg.c
*
* This file was part of the Independent JPEG Group's software:
* Copyright (C) 1991-1997, Thomas G. Lane.
* This file is part of the Independent JPEG Group's software.
* For conditions of distribution and use, see the accompanying README file.
* It was modified by The libjpeg-turbo Project to include only code relevant
* to libjpeg-turbo.
* For conditions of distribution and use, see the accompanying README.ijg
* file.
*
* This file contains common support routines used by the IJG application
* programs (cjpeg, djpeg, jpegtran).
*/
#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */
#include <ctype.h> /* to declare isupper(), tolower() */
#ifdef NEED_SIGNAL_CATCHER
#include <signal.h> /* to declare signal() */
#endif
#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */
#include <ctype.h> /* to declare isupper(), tolower() */
#ifdef USE_SETMODE
#include <fcntl.h> /* to declare setmode()'s parameter macros */
#include <fcntl.h> /* to declare setmode()'s parameter macros */
/* If you have setmode() but not <io.h>, just delete this line: */
#include <io.h> /* to declare setmode() */
#endif
/*
* Signal catcher to ensure that temporary files are removed before aborting.
* NB: for Amiga Manx C this is actually a global routine named _abort();
* we put "#define signal_catcher _abort" in jconfig.h. Talk about bogus...
*/
#ifdef NEED_SIGNAL_CATCHER
static j_common_ptr sig_cinfo;
void /* must be global for Manx C */
signal_catcher (int signum)
{
if (sig_cinfo != NULL) {
if (sig_cinfo->err != NULL) /* turn off trace output */
sig_cinfo->err->trace_level = 0;
jpeg_destroy(sig_cinfo); /* clean up memory allocation & temp files */
}
exit(EXIT_FAILURE);
}
GLOBAL(void)
enable_signal_catcher (j_common_ptr cinfo)
{
sig_cinfo = cinfo;
#ifdef SIGINT /* not all systems have SIGINT */
signal(SIGINT, signal_catcher);
#endif
#ifdef SIGTERM /* not all systems have SIGTERM */
signal(SIGTERM, signal_catcher);
#endif
}
#include <io.h> /* to declare setmode() */
#endif
@@ -75,8 +38,8 @@ progress_monitor (j_common_ptr cinfo)
prog->percent_done = percent_done;
if (total_passes > 1) {
fprintf(stderr, "\rPass %d/%d: %3d%% ",
prog->pub.completed_passes + prog->completed_extra_passes + 1,
total_passes, percent_done);
prog->pub.completed_passes + prog->completed_extra_passes + 1,
total_passes, percent_done);
} else {
fprintf(stderr, "\r %3d%% ", percent_done);
}
@@ -119,24 +82,24 @@ end_progress_monitor (j_common_ptr cinfo)
*/
GLOBAL(boolean)
keymatch (char * arg, const char * keyword, int minchars)
keymatch (char *arg, const char *keyword, int minchars)
{
register int ca, ck;
register int nmatched = 0;
while ((ca = *arg++) != '\0') {
if ((ck = *keyword++) == '\0')
return FALSE; /* arg longer than keyword, no good */
if (isupper(ca)) /* force arg to lcase (assume ck is already) */
return FALSE; /* arg longer than keyword, no good */
if (isupper(ca)) /* force arg to lcase (assume ck is already) */
ca = tolower(ca);
if (ca != ck)
return FALSE; /* no good */
nmatched++; /* count matched characters */
return FALSE; /* no good */
nmatched++; /* count matched characters */
}
/* reached end of argument; fail if it's too short for unique abbrev */
if (nmatched < minchars)
return FALSE;
return TRUE; /* A-OK */
return TRUE; /* A-OK */
}
@@ -150,10 +113,10 @@ read_stdin (void)
{
FILE * input_file = stdin;
#ifdef USE_SETMODE /* need to hack file mode? */
#ifdef USE_SETMODE /* need to hack file mode? */
setmode(fileno(stdin), O_BINARY);
#endif
#ifdef USE_FDOPEN /* need to re-open in binary mode? */
#ifdef USE_FDOPEN /* need to re-open in binary mode? */
if ((input_file = fdopen(fileno(stdin), READ_BINARY)) == NULL) {
fprintf(stderr, "Cannot reopen stdin\n");
exit(EXIT_FAILURE);
@@ -168,10 +131,10 @@ write_stdout (void)
{
FILE * output_file = stdout;
#ifdef USE_SETMODE /* need to hack file mode? */
#ifdef USE_SETMODE /* need to hack file mode? */
setmode(fileno(stdout), O_BINARY);
#endif
#ifdef USE_FDOPEN /* need to re-open in binary mode? */
#ifdef USE_FDOPEN /* need to re-open in binary mode? */
if ((output_file = fdopen(fileno(stdout), WRITE_BINARY)) == NULL) {
fprintf(stderr, "Cannot reopen stdout\n");
exit(EXIT_FAILURE);

157
cdjpeg.h
View File

@@ -1,35 +1,35 @@
/*
* cdjpeg.h
*
* This file was part of the Independent JPEG Group's software:
* Copyright (C) 1994-1997, Thomas G. Lane.
* This file is part of the Independent JPEG Group's software.
* For conditions of distribution and use, see the accompanying README file.
* libjpeg-turbo Modifications:
* Copyright (C) 2017, D. R. Commander.
* For conditions of distribution and use, see the accompanying README.ijg
* file.
*
* This file contains common declarations for the sample applications
* cjpeg and djpeg. It is NOT used by the core JPEG library.
*/
#define JPEG_CJPEG_DJPEG /* define proper options in jconfig.h */
#define JPEG_INTERNAL_OPTIONS /* cjpeg.c,djpeg.c need to see xxx_SUPPORTED */
#define JPEG_CJPEG_DJPEG /* define proper options in jconfig.h */
#define JPEG_INTERNAL_OPTIONS /* cjpeg.c,djpeg.c need to see xxx_SUPPORTED */
#include "jinclude.h"
#include "jpeglib.h"
#include "jerror.h" /* get library error codes too */
#include "cderror.h" /* get application-specific error codes */
#include "jerror.h" /* get library error codes too */
#include "cderror.h" /* get application-specific error codes */
/*
* Object interface for cjpeg's source file decoding modules
*/
typedef struct cjpeg_source_struct * cjpeg_source_ptr;
typedef struct cjpeg_source_struct *cjpeg_source_ptr;
struct cjpeg_source_struct {
JMETHOD(void, start_input, (j_compress_ptr cinfo,
cjpeg_source_ptr sinfo));
JMETHOD(JDIMENSION, get_pixel_rows, (j_compress_ptr cinfo,
cjpeg_source_ptr sinfo));
JMETHOD(void, finish_input, (j_compress_ptr cinfo,
cjpeg_source_ptr sinfo));
void (*start_input) (j_compress_ptr cinfo, cjpeg_source_ptr sinfo);
JDIMENSION (*get_pixel_rows) (j_compress_ptr cinfo, cjpeg_source_ptr sinfo);
void (*finish_input) (j_compress_ptr cinfo, cjpeg_source_ptr sinfo);
FILE *input_file;
@@ -42,24 +42,29 @@ struct cjpeg_source_struct {
* Object interface for djpeg's output file encoding modules
*/
typedef struct djpeg_dest_struct * djpeg_dest_ptr;
typedef struct djpeg_dest_struct *djpeg_dest_ptr;
struct djpeg_dest_struct {
/* start_output is called after jpeg_start_decompress finishes.
* The color map will be ready at this time, if one is needed.
*/
JMETHOD(void, start_output, (j_decompress_ptr cinfo,
djpeg_dest_ptr dinfo));
void (*start_output) (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo);
/* Emit the specified number of pixel rows from the buffer. */
JMETHOD(void, put_pixel_rows, (j_decompress_ptr cinfo,
djpeg_dest_ptr dinfo,
JDIMENSION rows_supplied));
void (*put_pixel_rows) (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo,
JDIMENSION rows_supplied);
/* Finish up at the end of the image. */
JMETHOD(void, finish_output, (j_decompress_ptr cinfo,
djpeg_dest_ptr dinfo));
void (*finish_output) (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo);
/* Re-calculate buffer dimensions based on output dimensions (for use with
partial image decompression.) If this is NULL, then the output format
does not support partial image decompression (BMP and RLE, in particular,
cannot support partial decompression because they use an inversion buffer
to write the image in bottom-up order.) */
void (*calc_buffer_dimensions) (j_decompress_ptr cinfo,
djpeg_dest_ptr dinfo);
/* Target file spec; filled in by djpeg.c after object is created. */
FILE * output_file;
FILE *output_file;
/* Output pixel-row buffer. Created by module init or start_output.
* Width is cinfo->output_width * cinfo->output_components;
@@ -79,106 +84,70 @@ struct djpeg_dest_struct {
*/
struct cdjpeg_progress_mgr {
struct jpeg_progress_mgr pub; /* fields known to JPEG library */
int completed_extra_passes; /* extra passes completed */
int total_extra_passes; /* total extra */
struct jpeg_progress_mgr pub; /* fields known to JPEG library */
int completed_extra_passes; /* extra passes completed */
int total_extra_passes; /* total extra */
/* last printed percentage stored here to avoid multiple printouts */
int percent_done;
};
typedef struct cdjpeg_progress_mgr * cd_progress_ptr;
typedef struct cdjpeg_progress_mgr *cd_progress_ptr;
/* Short forms of external names for systems with brain-damaged linkers. */
#ifdef NEED_SHORT_EXTERNAL_NAMES
#define jinit_read_bmp jIRdBMP
#define jinit_write_bmp jIWrBMP
#define jinit_read_gif jIRdGIF
#define jinit_write_gif jIWrGIF
#define jinit_read_ppm jIRdPPM
#define jinit_write_ppm jIWrPPM
#define jinit_read_rle jIRdRLE
#define jinit_write_rle jIWrRLE
#define jinit_read_targa jIRdTarga
#define jinit_write_targa jIWrTarga
#define read_quant_tables RdQTables
#define read_scan_script RdScnScript
#define set_quant_slots SetQSlots
#define set_sample_factors SetSFacts
#define read_color_map RdCMap
#define enable_signal_catcher EnSigCatcher
#define start_progress_monitor StProgMon
#define end_progress_monitor EnProgMon
#define read_stdin RdStdin
#define write_stdout WrStdout
#endif /* NEED_SHORT_EXTERNAL_NAMES */
/* Module selection routines for I/O modules. */
EXTERN(cjpeg_source_ptr) jinit_read_bmp JPP((j_compress_ptr cinfo));
EXTERN(djpeg_dest_ptr) jinit_write_bmp JPP((j_decompress_ptr cinfo,
boolean is_os2));
EXTERN(cjpeg_source_ptr) jinit_read_gif JPP((j_compress_ptr cinfo));
EXTERN(djpeg_dest_ptr) jinit_write_gif JPP((j_decompress_ptr cinfo));
EXTERN(cjpeg_source_ptr) jinit_read_ppm JPP((j_compress_ptr cinfo));
EXTERN(djpeg_dest_ptr) jinit_write_ppm JPP((j_decompress_ptr cinfo));
EXTERN(cjpeg_source_ptr) jinit_read_rle JPP((j_compress_ptr cinfo));
EXTERN(djpeg_dest_ptr) jinit_write_rle JPP((j_decompress_ptr cinfo));
EXTERN(cjpeg_source_ptr) jinit_read_targa JPP((j_compress_ptr cinfo));
EXTERN(djpeg_dest_ptr) jinit_write_targa JPP((j_decompress_ptr cinfo));
EXTERN(cjpeg_source_ptr) jinit_read_bmp (j_compress_ptr cinfo);
EXTERN(djpeg_dest_ptr) jinit_write_bmp (j_decompress_ptr cinfo,
boolean is_os2);
EXTERN(cjpeg_source_ptr) jinit_read_gif (j_compress_ptr cinfo);
EXTERN(djpeg_dest_ptr) jinit_write_gif (j_decompress_ptr cinfo);
EXTERN(cjpeg_source_ptr) jinit_read_ppm (j_compress_ptr cinfo);
EXTERN(djpeg_dest_ptr) jinit_write_ppm (j_decompress_ptr cinfo);
EXTERN(cjpeg_source_ptr) jinit_read_rle (j_compress_ptr cinfo);
EXTERN(djpeg_dest_ptr) jinit_write_rle (j_decompress_ptr cinfo);
EXTERN(cjpeg_source_ptr) jinit_read_targa (j_compress_ptr cinfo);
EXTERN(djpeg_dest_ptr) jinit_write_targa (j_decompress_ptr cinfo);
/* cjpeg support routines (in rdswitch.c) */
EXTERN(boolean) read_quant_tables JPP((j_compress_ptr cinfo, char * filename,
int scale_factor, boolean force_baseline));
EXTERN(boolean) read_scan_script JPP((j_compress_ptr cinfo, char * filename));
EXTERN(boolean) set_quant_slots JPP((j_compress_ptr cinfo, char *arg));
EXTERN(boolean) set_sample_factors JPP((j_compress_ptr cinfo, char *arg));
EXTERN(boolean) read_quant_tables (j_compress_ptr cinfo, char *filename,
boolean force_baseline);
EXTERN(boolean) read_scan_script (j_compress_ptr cinfo, char *filename);
EXTERN(boolean) set_quality_ratings (j_compress_ptr cinfo, char *arg,
boolean force_baseline);
EXTERN(boolean) set_quant_slots (j_compress_ptr cinfo, char *arg);
EXTERN(boolean) set_sample_factors (j_compress_ptr cinfo, char *arg);
/* djpeg support routines (in rdcolmap.c) */
EXTERN(void) read_color_map JPP((j_decompress_ptr cinfo, FILE * infile));
EXTERN(void) read_color_map (j_decompress_ptr cinfo, FILE *infile);
/* common support routines (in cdjpeg.c) */
EXTERN(void) enable_signal_catcher JPP((j_common_ptr cinfo));
EXTERN(void) start_progress_monitor JPP((j_common_ptr cinfo,
cd_progress_ptr progress));
EXTERN(void) end_progress_monitor JPP((j_common_ptr cinfo));
EXTERN(boolean) keymatch JPP((char * arg, const char * keyword, int minchars));
EXTERN(FILE *) read_stdin JPP((void));
EXTERN(FILE *) write_stdout JPP((void));
EXTERN(void) enable_signal_catcher (j_common_ptr cinfo);
EXTERN(void) start_progress_monitor (j_common_ptr cinfo,
cd_progress_ptr progress);
EXTERN(void) end_progress_monitor (j_common_ptr cinfo);
EXTERN(boolean) keymatch (char *arg, const char *keyword, int minchars);
EXTERN(FILE *) read_stdin (void);
EXTERN(FILE *) write_stdout (void);
/* miscellaneous useful macros */
#ifdef DONT_USE_B_MODE /* define mode parameters for fopen() */
#define READ_BINARY "r"
#define WRITE_BINARY "w"
#ifdef DONT_USE_B_MODE /* define mode parameters for fopen() */
#define READ_BINARY "r"
#define WRITE_BINARY "w"
#else
#ifdef VMS /* VMS is very nonstandard */
#define READ_BINARY "rb", "ctx=stm"
#define WRITE_BINARY "wb", "ctx=stm"
#else /* standard ANSI-compliant case */
#define READ_BINARY "rb"
#define WRITE_BINARY "wb"
#endif
#define READ_BINARY "rb"
#define WRITE_BINARY "wb"
#endif
#ifndef EXIT_FAILURE /* define exit() codes if not provided */
#ifndef EXIT_FAILURE /* define exit() codes if not provided */
#define EXIT_FAILURE 1
#endif
#ifndef EXIT_SUCCESS
#ifdef VMS
#define EXIT_SUCCESS 1 /* VMS is very nonstandard */
#else
#define EXIT_SUCCESS 0
#endif
#endif
#ifndef EXIT_WARNING
#ifdef VMS
#define EXIT_WARNING 1 /* VMS is very nonstandard */
#else
#define EXIT_WARNING 2
#endif
#endif

98
change.log
View File

@@ -1,6 +1,104 @@
libjpeg-turbo note: This file has been modified by The libjpeg-turbo Project
to include only information relevant to libjpeg-turbo. It is included only for
reference. Please see ChangeLog.md for information specific to libjpeg-turbo.
CHANGE LOG for Independent JPEG Group's JPEG software
Version 9b 17-Jan-2016
-----------------------
Document 'f' specifier for jpegtran -crop specification.
Thank to Michele Martone for suggestion.
Version 9 13-Jan-2013
----------------------
Add remark for jpeg_mem_dest() in jdatadst.c.
Thank to Elie-Gregoire Khoury for the hint.
Correct argument type in format string, avoid compiler warnings.
Thank to Vincent Torri for hint.
Version 8d 15-Jan-2012
-----------------------
Add cjpeg -rgb option to create RGB JPEG files.
Using this switch suppresses the conversion from RGB
colorspace input to the default YCbCr JPEG colorspace.
Thank to Michael Koch for the initial suggestion.
Add option to disable the region adjustment in the transupp crop code.
Thank to Jeffrey Friedl for the suggestion.
Version 8b 16-May-2010
-----------------------
Repair problem in new memory source manager with corrupt JPEG data.
Thank to Ted Campbell and Samuel Chun for the report.
Version 8a 28-Feb-2010
-----------------------
Writing tables-only datastreams via jpeg_write_tables works again.
Support 32-bit BMPs (RGB image with Alpha channel) for read in cjpeg.
Thank to Brett Blackham for the suggestion.
Version 8 10-Jan-2010
----------------------
Add sanity check in BMP reader module to avoid cjpeg crash for empty input
image (thank to Isaev Ildar of ISP RAS, Moscow, RU for reporting this error).
Add data source and destination managers for read from and write to
memory buffers. New API functions jpeg_mem_src and jpeg_mem_dest.
Thank to Roberto Boni from Italy for the suggestion.
Version 7 27-Jun-2009
----------------------
New scaled DCTs implemented.
djpeg now supports scalings N/8 with all N from 1 to 16.
cjpeg -quality option has been extended for support of separate quality
settings for luminance and chrominance (or in general, for every provided
quantization table slot).
New API function jpeg_default_qtables() and q_scale_factor array in library.
Support arithmetic entropy encoding and decoding.
Added files jaricom.c, jcarith.c, jdarith.c.
jpegtran has a new "lossless" cropping feature.
Implement -perfect option in jpegtran, new API function
jtransform_perfect_transform() in transupp. (DP 204_perfect.dpatch)
Better error messages for jpegtran fopen failure.
(DP 203_jpegtran_errmsg.dpatch)
Fix byte order issue with 16bit PPM/PGM files in rdppm.c/wrppm.c:
according to Netpbm, the de facto standard implementation of the PNM formats,
the most significant byte is first. (DP 203_rdppm.dpatch)
Add -raw option to rdjpgcom not to mangle the output.
(DP 205_rdjpgcom_raw.dpatch)
Make rdjpgcom locale aware. (DP 201_rdjpgcom_locale.dpatch)
Add extern "C" to jpeglib.h.
This avoids the need to put extern "C" { ... } around #include "jpeglib.h"
in your C++ application. Defining the symbol DONT_USE_EXTERN_C in the
configuration prevents this. (DP 202_jpeglib.h_c++.dpatch)
Version 6b 27-Mar-1998
-----------------------

BIN
ci/keys.enc Normal file
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113
cjpeg.1
View File

@@ -1,4 +1,4 @@
.TH CJPEG 1 "20 March 1998"
.TH CJPEG 1 "18 March 2017"
.SH NAME
cjpeg \- compress an image file to a JPEG file
.SH SYNOPSIS
@@ -16,7 +16,7 @@ cjpeg \- compress an image file to a JPEG file
compresses the named image file, or the standard input if no file is
named, and produces a JPEG/JFIF file on the standard output.
The currently supported input file formats are: PPM (PBMPLUS color
format), PGM (PBMPLUS gray-scale format), BMP, Targa, and RLE (Utah Raster
format), PGM (PBMPLUS grayscale format), BMP, Targa, and RLE (Utah Raster
Toolkit format). (RLE is supported only if the URT library is available.)
.SH OPTIONS
All switch names may be abbreviated; for example,
@@ -36,7 +36,7 @@ though for brevity these are not mentioned below.
.PP
The basic switches are:
.TP
.BI \-quality " N"
.BI \-quality " N[,...]"
Scale quantization tables to adjust image quality. Quality is 0 (worst) to
100 (best); default is 75. (See below for more info.)
.TP
@@ -49,6 +49,11 @@ By saying
.BR \-grayscale ,
you'll get a smaller JPEG file that takes less time to process.
.TP
.B \-rgb
Create RGB JPEG file.
Using this switch suppresses the conversion from RGB
colorspace input to the default YCbCr JPEG colorspace.
.TP
.B \-optimize
Perform optimization of entropy encoding parameters. Without this, default
encoding parameters are used.
@@ -80,8 +85,8 @@ reconstructed image: the higher the quality setting, the larger the JPEG file,
and the closer the output image will be to the original input. Normally you
want to use the lowest quality setting (smallest file) that decompresses into
something visually indistinguishable from the original image. For this
purpose the quality setting should be between 50 and 95; the default of 75 is
often about right. If you see defects at
purpose the quality setting should generally be between 50 and 95 (the default
is 75) for photographic images. If you see defects at
.B \-quality
75, then go up 5 or 10 counts at a time until you are happy with the output
image. (The optimal setting will vary from one image to another.)
@@ -89,11 +94,10 @@ image. (The optimal setting will vary from one image to another.)
.B \-quality
100 will generate a quantization table of all 1's, minimizing loss in the
quantization step (but there is still information loss in subsampling, as well
as roundoff error). This setting is mainly of interest for experimental
purposes. Quality values above about 95 are
.B not
recommended for normal use; the compressed file size goes up dramatically for
hardly any gain in output image quality.
as roundoff error.) For most images, specifying a quality value above
about 95 will increase the size of the compressed file dramatically, and while
the quality gain from these higher quality values is measurable (using metrics
such as PSNR or SSIM), it is rarely perceivable by human vision.
.PP
In the other direction, quality values below 50 will produce very small files
of low image quality. Settings around 5 to 10 might be useful in preparing an
@@ -108,6 +112,36 @@ other JPEG programs may be unable to decode the resulting file. Use
.B \-baseline
if you need to ensure compatibility at low quality values.)
.PP
The \fB-quality\fR option has been extended in this version of \fBcjpeg\fR to
support separate quality settings for luminance and chrominance (or, in
general, separate settings for every quantization table slot.) The principle
is the same as chrominance subsampling: since the human eye is more sensitive
to spatial changes in brightness than spatial changes in color, the chrominance
components can be quantized more than the luminance components without
incurring any visible image quality loss. However, unlike subsampling, this
feature reduces data in the frequency domain instead of the spatial domain,
which allows for more fine-grained control. This option is useful in
quality-sensitive applications, for which the artifacts generated by
subsampling may be unacceptable.
.PP
The \fB-quality\fR option accepts a comma-separated list of parameters, which
respectively refer to the quality levels that should be assigned to the
quantization table slots. If there are more q-table slots than parameters,
then the last parameter is replicated. Thus, if only one quality parameter is
given, this is used for both luminance and chrominance (slots 0 and 1,
respectively), preserving the legacy behavior of cjpeg v6b and prior.
More (or customized) quantization tables can be set with the \fB-qtables\fR
option and assigned to components with the \fB-qslots\fR option (see the
"wizard" switches below.)
.PP
JPEG files generated with separate luminance and chrominance quality are fully
compliant with standard JPEG decoders.
.PP
.BR CAUTION:
For this setting to be useful, be sure to pass an argument of \fB-sample 1x1\fR
to \fBcjpeg\fR to disable chrominance subsampling. Otherwise, the default
subsampling level (2x2, AKA "4:2:0") will be used.
.PP
The
.B \-progressive
switch creates a "progressive JPEG" file. In this type of JPEG file, the data
@@ -117,25 +151,41 @@ scan to display a low-quality image very quickly, and can then improve the
display with each subsequent scan. The final image is exactly equivalent to a
standard JPEG file of the same quality setting, and the total file size is
about the same --- often a little smaller.
.B Caution:
progressive JPEG is not yet widely implemented, so many decoders will be
unable to view a progressive JPEG file at all.
.PP
Switches for advanced users:
.TP
.B \-arithmetic
Use arithmetic coding.
.B Caution:
arithmetic coded JPEG is not yet widely implemented, so many decoders will be
unable to view an arithmetic coded JPEG file at all.
.TP
.B \-dct int
Use integer DCT method (default).
.TP
.B \-dct fast
Use fast integer DCT (less accurate).
In libjpeg-turbo, the fast method is generally about 5-15% faster than the int
method when using the x86/x86-64 SIMD extensions (results may vary with other
SIMD implementations, or when using libjpeg-turbo without SIMD extensions.)
For quality levels of 90 and below, there should be little or no perceptible
difference between the two algorithms. For quality levels above 90, however,
the difference between the fast and the int methods becomes more pronounced.
With quality=97, for instance, the fast method incurs generally about a 1-3 dB
loss (in PSNR) relative to the int method, but this can be larger for some
images. Do not use the fast method with quality levels above 97. The
algorithm often degenerates at quality=98 and above and can actually produce a
more lossy image than if lower quality levels had been used. Also, in
libjpeg-turbo, the fast method is not fully accelerated for quality levels
above 97, so it will be slower than the int method.
.TP
.B \-dct float
Use floating-point DCT method.
The float method is very slightly more accurate than the int method, but is
much slower unless your machine has very fast floating-point hardware. Also
note that results of the floating-point method may vary slightly across
machines, while the integer methods should give the same results everywhere.
The fast integer method is much less accurate than the other two.
The float method is mainly a legacy feature. It does not produce significantly
more accurate results than the int method, and it is much slower. The float
method may also give different results on different machines due to varying
roundoff behavior, whereas the integer methods should give the same results on
all machines.
.TP
.BI \-restart " N"
Emit a JPEG restart marker every N MCU rows, or every N MCU blocks if "B" is
@@ -152,11 +202,16 @@ Set limit for amount of memory to use in processing large images. Value is
in thousands of bytes, or millions of bytes if "M" is attached to the
number. For example,
.B \-max 4m
selects 4000000 bytes. If more space is needed, temporary files will be used.
selects 4000000 bytes. If more space is needed, an error will occur.
.TP
.BI \-outfile " name"
Send output image to the named file, not to standard output.
.TP
.BI \-memdst
Compress to memory instead of a file. This feature was implemented mainly as a
way of testing the in-memory destination manager (jpeg_mem_dest()), but it is
also useful for benchmarking, since it reduces the I/O overhead.
.TP
.B \-verbose
Enable debug printout. More
.BR \-v 's
@@ -165,6 +220,9 @@ give more output. Also, version information is printed at startup.
.B \-debug
Same as
.BR \-verbose .
.TP
.B \-version
Print version information and exit.
.PP
The
.B \-restart
@@ -211,7 +269,7 @@ Use the scan script given in the specified text file.
.PP
The "wizard" switches are intended for experimentation with JPEG. If you
don't know what you are doing, \fBdon't use them\fR. These switches are
documented further in the file wizard.doc.
documented further in the file wizard.txt.
.SH EXAMPLES
.LP
This example compresses the PPM file foo.ppm with a quality factor of
@@ -275,12 +333,15 @@ Wallace, Gregory K. "The JPEG Still Picture Compression Standard",
Communications of the ACM, April 1991 (vol. 34, no. 4), pp. 30-44.
.SH AUTHOR
Independent JPEG Group
.SH BUGS
Arithmetic coding is not supported for legal reasons.
.PP
GIF input files are no longer supported, to avoid the Unisys LZW patent.
Use a Unisys-licensed program if you need to read a GIF file. (Conversion
of GIF files to JPEG is usually a bad idea anyway.)
This file was modified by The libjpeg-turbo Project to include only information
relevant to libjpeg-turbo, to wordsmith certain sections, and to describe
features not present in libjpeg.
.SH ISSUES
Support for GIF input files was removed in cjpeg v6b due to concerns over
the Unisys LZW patent. Although this patent expired in 2006, cjpeg still
lacks GIF support, for these historical reasons. (Conversion of GIF files to
JPEG is usually a bad idea anyway, since GIF is a 256-color format.)
.PP
Not all variants of BMP and Targa file formats are supported.
.PP
@@ -288,5 +349,3 @@ The
.B \-targa
switch is not a bug, it's a feature. (It would be a bug if the Targa format
designers had not been clueless.)
.PP
Still not as fast as we'd like.

306
cjpeg.c
View File

@@ -1,17 +1,21 @@
/*
* cjpeg.c
*
* This file was part of the Independent JPEG Group's software:
* Copyright (C) 1991-1998, Thomas G. Lane.
* This file is part of the Independent JPEG Group's software.
* For conditions of distribution and use, see the accompanying README file.
* Modified 2003-2011 by Guido Vollbeding.
* libjpeg-turbo Modifications:
* Copyright (C) 2010, 2013-2014, 2017, D. R. Commander.
* For conditions of distribution and use, see the accompanying README.ijg
* file.
*
* This file contains a command-line user interface for the JPEG compressor.
* It should work on any system with Unix- or MS-DOS-style command lines.
*
* Two different command line styles are permitted, depending on the
* compile-time switch TWO_FILE_COMMANDLINE:
* cjpeg [options] inputfile outputfile
* cjpeg [options] [inputfile]
* cjpeg [options] inputfile outputfile
* cjpeg [options] [inputfile]
* In the second style, output is always to standard output, which you'd
* normally redirect to a file or pipe to some other program. Input is
* either from a named file or from standard input (typically redirected).
@@ -19,27 +23,28 @@
* don't support pipes. Also, you MUST use the first style if your system
* doesn't do binary I/O to stdin/stdout.
* To simplify script writing, the "-outfile" switch is provided. The syntax
* cjpeg [options] -outfile outputfile inputfile
* cjpeg [options] -outfile outputfile inputfile
* works regardless of which command line style is used.
*/
#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */
#include "jversion.h" /* for version message */
#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */
#include "jversion.h" /* for version message */
#include "jconfigint.h"
#ifdef USE_CCOMMAND /* command-line reader for Macintosh */
#ifdef USE_CCOMMAND /* command-line reader for Macintosh */
#ifdef __MWERKS__
#include <SIOUX.h> /* Metrowerks needs this */
#include <console.h> /* ... and this */
#include <console.h> /* ... and this */
#endif
#ifdef THINK_C
#include <console.h> /* Think declares it here */
#include <console.h> /* Think declares it here */
#endif
#endif
/* Create the add-on message string table. */
#define JMESSAGE(code,string) string ,
#define JMESSAGE(code,string) string ,
static const char * const cdjpeg_message_table[] = {
#include "cderror.h"
@@ -73,11 +78,11 @@ static const char * const cdjpeg_message_table[] = {
* seldom-used ID field), so we provide a switch to force Targa input mode.
*/
static boolean is_targa; /* records user -targa switch */
static boolean is_targa; /* records user -targa switch */
LOCAL(cjpeg_source_ptr)
select_file_type (j_compress_ptr cinfo, FILE * infile)
select_file_type (j_compress_ptr cinfo, FILE *infile)
{
int c;
@@ -120,7 +125,7 @@ select_file_type (j_compress_ptr cinfo, FILE * infile)
break;
}
return NULL; /* suppress compiler warnings */
return NULL; /* suppress compiler warnings */
}
@@ -133,8 +138,9 @@ select_file_type (j_compress_ptr cinfo, FILE * infile)
*/
static const char * progname; /* program name for error messages */
static char * outfilename; /* for -outfile switch */
static const char *progname; /* program name for error messages */
static char *outfilename; /* for -outfile switch */
boolean memdst; /* for -memdst switch */
LOCAL(void)
@@ -149,8 +155,10 @@ usage (void)
#endif
fprintf(stderr, "Switches (names may be abbreviated):\n");
fprintf(stderr, " -quality N Compression quality (0..100; 5-95 is useful range)\n");
fprintf(stderr, " -quality N[,...] Compression quality (0..100; 5-95 is most useful range,\n");
fprintf(stderr, " default is 75)\n");
fprintf(stderr, " -grayscale Create monochrome JPEG file\n");
fprintf(stderr, " -rgb Create RGB JPEG file\n");
#ifdef ENTROPY_OPT_SUPPORTED
fprintf(stderr, " -optimize Optimize Huffman table (smaller file, but slow compression)\n");
#endif
@@ -161,17 +169,20 @@ usage (void)
fprintf(stderr, " -targa Input file is Targa format (usually not needed)\n");
#endif
fprintf(stderr, "Switches for advanced users:\n");
#ifdef C_ARITH_CODING_SUPPORTED
fprintf(stderr, " -arithmetic Use arithmetic coding\n");
#endif
#ifdef DCT_ISLOW_SUPPORTED
fprintf(stderr, " -dct int Use integer DCT method%s\n",
(JDCT_DEFAULT == JDCT_ISLOW ? " (default)" : ""));
(JDCT_DEFAULT == JDCT_ISLOW ? " (default)" : ""));
#endif
#ifdef DCT_IFAST_SUPPORTED
fprintf(stderr, " -dct fast Use fast integer DCT (less accurate)%s\n",
(JDCT_DEFAULT == JDCT_IFAST ? " (default)" : ""));
(JDCT_DEFAULT == JDCT_IFAST ? " (default)" : ""));
#endif
#ifdef DCT_FLOAT_SUPPORTED
fprintf(stderr, " -dct float Use floating-point DCT method%s\n",
(JDCT_DEFAULT == JDCT_FLOAT ? " (default)" : ""));
(JDCT_DEFAULT == JDCT_FLOAT ? " (default)" : ""));
#endif
fprintf(stderr, " -restart N Set restart interval in rows, or in blocks with B\n");
#ifdef INPUT_SMOOTHING_SUPPORTED
@@ -179,17 +190,18 @@ usage (void)
#endif
fprintf(stderr, " -maxmemory N Maximum memory to use (in kbytes)\n");
fprintf(stderr, " -outfile name Specify name for output file\n");
fprintf(stderr, " -verbose or -debug Emit debug output\n");
fprintf(stderr, "Switches for wizards:\n");
#ifdef C_ARITH_CODING_SUPPORTED
fprintf(stderr, " -arithmetic Use arithmetic coding\n");
#if JPEG_LIB_VERSION >= 80 || defined(MEM_SRCDST_SUPPORTED)
fprintf(stderr, " -memdst Compress to memory instead of file (useful for benchmarking)\n");
#endif
fprintf(stderr, " -verbose or -debug Emit debug output\n");
fprintf(stderr, " -version Print version information and exit\n");
fprintf(stderr, "Switches for wizards:\n");
fprintf(stderr, " -baseline Force baseline quantization tables\n");
fprintf(stderr, " -qtables file Use quantization tables given in file\n");
fprintf(stderr, " -qtables FILE Use quantization tables given in FILE\n");
fprintf(stderr, " -qslots N[,...] Set component quantization tables\n");
fprintf(stderr, " -sample HxV[,...] Set component sampling factors\n");
#ifdef C_MULTISCAN_FILES_SUPPORTED
fprintf(stderr, " -scans file Create multi-scan JPEG per script file\n");
fprintf(stderr, " -scans FILE Create multi-scan JPEG per script FILE\n");
#endif
exit(EXIT_FAILURE);
}
@@ -197,7 +209,7 @@ usage (void)
LOCAL(int)
parse_switches (j_compress_ptr cinfo, int argc, char **argv,
int last_file_arg_seen, boolean for_real)
int last_file_arg_seen, boolean for_real)
/* Parse optional switches.
* Returns argv[] index of first file-name argument (== argc if none).
* Any file names with indexes <= last_file_arg_seen are ignored;
@@ -208,26 +220,22 @@ parse_switches (j_compress_ptr cinfo, int argc, char **argv,
*/
{
int argn;
char * arg;
int quality; /* -quality parameter */
int q_scale_factor; /* scaling percentage for -qtables */
char *arg;
boolean force_baseline;
boolean simple_progressive;
char * qtablefile = NULL; /* saves -qtables filename if any */
char * qslotsarg = NULL; /* saves -qslots parm if any */
char * samplearg = NULL; /* saves -sample parm if any */
char * scansarg = NULL; /* saves -scans parm if any */
char *qualityarg = NULL; /* saves -quality parm if any */
char *qtablefile = NULL; /* saves -qtables filename if any */
char *qslotsarg = NULL; /* saves -qslots parm if any */
char *samplearg = NULL; /* saves -sample parm if any */
char *scansarg = NULL; /* saves -scans parm if any */
/* Set up default JPEG parameters. */
/* Note that default -quality level need not, and does not,
* match the default scaling for an explicit -qtables argument.
*/
quality = 75; /* default -quality value */
q_scale_factor = 100; /* default to no scaling for -qtables */
force_baseline = FALSE; /* by default, allow 16-bit quantizers */
force_baseline = FALSE; /* by default, allow 16-bit quantizers */
simple_progressive = FALSE;
is_targa = FALSE;
outfilename = NULL;
memdst = FALSE;
cinfo->err->trace_level = 0;
/* Scan command line options, adjust parameters */
@@ -237,12 +245,12 @@ parse_switches (j_compress_ptr cinfo, int argc, char **argv,
if (*arg != '-') {
/* Not a switch, must be a file name argument */
if (argn <= last_file_arg_seen) {
outfilename = NULL; /* -outfile applies to just one input file */
continue; /* ignore this name if previously processed */
outfilename = NULL; /* -outfile applies to just one input file */
continue; /* ignore this name if previously processed */
}
break; /* else done parsing switches */
break; /* else done parsing switches */
}
arg++; /* advance past switch marker character */
arg++; /* advance past switch marker character */
if (keymatch(arg, "arithmetic", 1)) {
/* Use arithmetic coding. */
@@ -250,7 +258,7 @@ parse_switches (j_compress_ptr cinfo, int argc, char **argv,
cinfo->arith_code = TRUE;
#else
fprintf(stderr, "%s: sorry, arithmetic coding not supported\n",
progname);
progname);
exit(EXIT_FAILURE);
#endif
@@ -260,16 +268,16 @@ parse_switches (j_compress_ptr cinfo, int argc, char **argv,
} else if (keymatch(arg, "dct", 2)) {
/* Select DCT algorithm. */
if (++argn >= argc) /* advance to next argument */
usage();
if (++argn >= argc) /* advance to next argument */
usage();
if (keymatch(argv[argn], "int", 1)) {
cinfo->dct_method = JDCT_ISLOW;
cinfo->dct_method = JDCT_ISLOW;
} else if (keymatch(argv[argn], "fast", 2)) {
cinfo->dct_method = JDCT_IFAST;
cinfo->dct_method = JDCT_IFAST;
} else if (keymatch(argv[argn], "float", 2)) {
cinfo->dct_method = JDCT_FLOAT;
cinfo->dct_method = JDCT_FLOAT;
} else
usage();
usage();
} else if (keymatch(arg, "debug", 1) || keymatch(arg, "verbose", 1)) {
/* Enable debug printouts. */
@@ -277,27 +285,39 @@ parse_switches (j_compress_ptr cinfo, int argc, char **argv,
static boolean printed_version = FALSE;
if (! printed_version) {
fprintf(stderr, "Independent JPEG Group's CJPEG, version %s\n%s\n",
JVERSION, JCOPYRIGHT);
printed_version = TRUE;
fprintf(stderr, "%s version %s (build %s)\n",
PACKAGE_NAME, VERSION, BUILD);
fprintf(stderr, "%s\n\n", JCOPYRIGHT);
fprintf(stderr, "Emulating The Independent JPEG Group's software, version %s\n\n",
JVERSION);
printed_version = TRUE;
}
cinfo->err->trace_level++;
} else if (keymatch(arg, "version", 4)) {
fprintf(stderr, "%s version %s (build %s)\n",
PACKAGE_NAME, VERSION, BUILD);
exit(EXIT_SUCCESS);
} else if (keymatch(arg, "grayscale", 2) || keymatch(arg, "greyscale",2)) {
/* Force a monochrome JPEG file to be generated. */
jpeg_set_colorspace(cinfo, JCS_GRAYSCALE);
} else if (keymatch(arg, "rgb", 3)) {
/* Force an RGB JPEG file to be generated. */
jpeg_set_colorspace(cinfo, JCS_RGB);
} else if (keymatch(arg, "maxmemory", 3)) {
/* Maximum memory in Kb (or Mb with 'm'). */
long lval;
char ch = 'x';
if (++argn >= argc) /* advance to next argument */
usage();
if (++argn >= argc) /* advance to next argument */
usage();
if (sscanf(argv[argn], "%ld%c", &lval, &ch) < 1)
usage();
usage();
if (ch == 'm' || ch == 'M')
lval *= 1000L;
lval *= 1000L;
cinfo->mem->max_memory_to_use = lval * 1000L;
} else if (keymatch(arg, "optimize", 1) || keymatch(arg, "optimise", 1)) {
@@ -305,16 +325,16 @@ parse_switches (j_compress_ptr cinfo, int argc, char **argv,
#ifdef ENTROPY_OPT_SUPPORTED
cinfo->optimize_coding = TRUE;
#else
fprintf(stderr, "%s: sorry, entropy optimization was not compiled\n",
progname);
fprintf(stderr, "%s: sorry, entropy optimization was not compiled in\n",
progname);
exit(EXIT_FAILURE);
#endif
} else if (keymatch(arg, "outfile", 4)) {
/* Set output file name. */
if (++argn >= argc) /* advance to next argument */
usage();
outfilename = argv[argn]; /* save it away for later use */
if (++argn >= argc) /* advance to next argument */
usage();
outfilename = argv[argn]; /* save it away for later use */
} else if (keymatch(arg, "progressive", 1)) {
/* Select simple progressive mode. */
@@ -322,24 +342,31 @@ parse_switches (j_compress_ptr cinfo, int argc, char **argv,
simple_progressive = TRUE;
/* We must postpone execution until num_components is known. */
#else
fprintf(stderr, "%s: sorry, progressive output was not compiled\n",
progname);
fprintf(stderr, "%s: sorry, progressive output was not compiled in\n",
progname);
exit(EXIT_FAILURE);
#endif
} else if (keymatch(arg, "memdst", 2)) {
/* Use in-memory destination manager */
#if JPEG_LIB_VERSION >= 80 || defined(MEM_SRCDST_SUPPORTED)
memdst = TRUE;
#else
fprintf(stderr, "%s: sorry, in-memory destination manager was not compiled in\n",
progname);
exit(EXIT_FAILURE);
#endif
} else if (keymatch(arg, "quality", 1)) {
/* Quality factor (quantization table scaling factor). */
if (++argn >= argc) /* advance to next argument */
usage();
if (sscanf(argv[argn], "%d", &quality) != 1)
usage();
/* Change scale factor in case -qtables is present. */
q_scale_factor = jpeg_quality_scaling(quality);
/* Quality ratings (quantization table scaling factors). */
if (++argn >= argc) /* advance to next argument */
usage();
qualityarg = argv[argn];
} else if (keymatch(arg, "qslots", 2)) {
/* Quantization table slot numbers. */
if (++argn >= argc) /* advance to next argument */
usage();
if (++argn >= argc) /* advance to next argument */
usage();
qslotsarg = argv[argn];
/* Must delay setting qslots until after we have processed any
* colorspace-determining switches, since jpeg_set_colorspace sets
@@ -348,8 +375,8 @@ parse_switches (j_compress_ptr cinfo, int argc, char **argv,
} else if (keymatch(arg, "qtables", 2)) {
/* Quantization tables fetched from file. */
if (++argn >= argc) /* advance to next argument */
usage();
if (++argn >= argc) /* advance to next argument */
usage();
qtablefile = argv[argn];
/* We postpone actually reading the file in case -quality comes later. */
@@ -358,40 +385,40 @@ parse_switches (j_compress_ptr cinfo, int argc, char **argv,
long lval;
char ch = 'x';
if (++argn >= argc) /* advance to next argument */
usage();
if (++argn >= argc) /* advance to next argument */
usage();
if (sscanf(argv[argn], "%ld%c", &lval, &ch) < 1)
usage();
usage();
if (lval < 0 || lval > 65535L)
usage();
usage();
if (ch == 'b' || ch == 'B') {
cinfo->restart_interval = (unsigned int) lval;
cinfo->restart_in_rows = 0; /* else prior '-restart n' overrides me */
cinfo->restart_interval = (unsigned int) lval;
cinfo->restart_in_rows = 0; /* else prior '-restart n' overrides me */
} else {
cinfo->restart_in_rows = (int) lval;
/* restart_interval will be computed during startup */
cinfo->restart_in_rows = (int) lval;
/* restart_interval will be computed during startup */
}
} else if (keymatch(arg, "sample", 2)) {
/* Set sampling factors. */
if (++argn >= argc) /* advance to next argument */
usage();
if (++argn >= argc) /* advance to next argument */
usage();
samplearg = argv[argn];
/* Must delay setting sample factors until after we have processed any
* colorspace-determining switches, since jpeg_set_colorspace sets
* default sampling factors.
*/
} else if (keymatch(arg, "scans", 2)) {
} else if (keymatch(arg, "scans", 4)) {
/* Set scan script. */
#ifdef C_MULTISCAN_FILES_SUPPORTED
if (++argn >= argc) /* advance to next argument */
usage();
if (++argn >= argc) /* advance to next argument */
usage();
scansarg = argv[argn];
/* We must postpone reading the file in case -progressive appears. */
#else
fprintf(stderr, "%s: sorry, multi-scan output was not compiled\n",
progname);
fprintf(stderr, "%s: sorry, multi-scan output was not compiled in\n",
progname);
exit(EXIT_FAILURE);
#endif
@@ -399,12 +426,12 @@ parse_switches (j_compress_ptr cinfo, int argc, char **argv,
/* Set input smoothing factor. */
int val;
if (++argn >= argc) /* advance to next argument */
usage();
if (++argn >= argc) /* advance to next argument */
usage();
if (sscanf(argv[argn], "%d", &val) != 1)
usage();
usage();
if (val < 0 || val > 100)
usage();
usage();
cinfo->smoothing_factor = val;
} else if (keymatch(arg, "targa", 1)) {
@@ -412,7 +439,7 @@ parse_switches (j_compress_ptr cinfo, int argc, char **argv,
is_targa = TRUE;
} else {
usage(); /* bogus switch */
usage(); /* bogus switch */
}
}
@@ -422,34 +449,35 @@ parse_switches (j_compress_ptr cinfo, int argc, char **argv,
/* Set quantization tables for selected quality. */
/* Some or all may be overridden if -qtables is present. */
jpeg_set_quality(cinfo, quality, force_baseline);
if (qualityarg != NULL) /* process -quality if it was present */
if (! set_quality_ratings(cinfo, qualityarg, force_baseline))
usage();
if (qtablefile != NULL) /* process -qtables if it was present */
if (! read_quant_tables(cinfo, qtablefile,
q_scale_factor, force_baseline))
usage();
if (qtablefile != NULL) /* process -qtables if it was present */
if (! read_quant_tables(cinfo, qtablefile, force_baseline))
usage();
if (qslotsarg != NULL) /* process -qslots if it was present */
if (qslotsarg != NULL) /* process -qslots if it was present */
if (! set_quant_slots(cinfo, qslotsarg))
usage();
usage();
if (samplearg != NULL) /* process -sample if it was present */
if (samplearg != NULL) /* process -sample if it was present */
if (! set_sample_factors(cinfo, samplearg))
usage();
usage();
#ifdef C_PROGRESSIVE_SUPPORTED
if (simple_progressive) /* process -progressive; -scans can override */
if (simple_progressive) /* process -progressive; -scans can override */
jpeg_simple_progression(cinfo);
#endif
#ifdef C_MULTISCAN_FILES_SUPPORTED
if (scansarg != NULL) /* process -scans if it was present */
if (scansarg != NULL) /* process -scans if it was present */
if (! read_scan_script(cinfo, scansarg))
usage();
usage();
#endif
}
return argn; /* return index of next arg (file name) */
return argn; /* return index of next arg (file name) */
}
@@ -467,8 +495,10 @@ main (int argc, char **argv)
#endif
int file_index;
cjpeg_source_ptr src_mgr;
FILE * input_file;
FILE * output_file;
FILE *input_file;
FILE *output_file = NULL;
unsigned char *outbuffer = NULL;
unsigned long outsize = 0;
JDIMENSION num_scanlines;
/* On Mac, fetch a command line. */
@@ -478,7 +508,7 @@ main (int argc, char **argv)
progname = argv[0];
if (progname == NULL || progname[0] == 0)
progname = "cjpeg"; /* in case C library doesn't provide it */
progname = "cjpeg"; /* in case C library doesn't provide it */
/* Initialize the JPEG compression object with default error handling. */
cinfo.err = jpeg_std_error(&jerr);
@@ -488,11 +518,6 @@ main (int argc, char **argv)
jerr.first_addon_message = JMSG_FIRSTADDONCODE;
jerr.last_addon_message = JMSG_LASTADDONCODE;
/* Now safe to enable signal catcher. */
#ifdef NEED_SIGNAL_CATCHER
enable_signal_catcher((j_common_ptr) &cinfo);
#endif
/* Initialize JPEG parameters.
* Much of this may be overridden later.
* In particular, we don't yet know the input file's color space,
@@ -511,19 +536,21 @@ main (int argc, char **argv)
file_index = parse_switches(&cinfo, argc, argv, 0, FALSE);
#ifdef TWO_FILE_COMMANDLINE
/* Must have either -outfile switch or explicit output file name */
if (outfilename == NULL) {
if (file_index != argc-2) {
fprintf(stderr, "%s: must name one input and one output file\n",
progname);
usage();
}
outfilename = argv[file_index+1];
} else {
if (file_index != argc-1) {
fprintf(stderr, "%s: must name one input and one output file\n",
progname);
usage();
if (!memdst) {
/* Must have either -outfile switch or explicit output file name */
if (outfilename == NULL) {
if (file_index != argc-2) {
fprintf(stderr, "%s: must name one input and one output file\n",
progname);
usage();
}
outfilename = argv[file_index+1];
} else {
if (file_index != argc-1) {
fprintf(stderr, "%s: must name one input and one output file\n",
progname);
usage();
}
}
}
#else
@@ -551,7 +578,7 @@ main (int argc, char **argv)
fprintf(stderr, "%s: can't open %s\n", progname, outfilename);
exit(EXIT_FAILURE);
}
} else {
} else if (!memdst) {
/* default output file is stdout */
output_file = write_stdout();
}
@@ -574,7 +601,12 @@ main (int argc, char **argv)
file_index = parse_switches(&cinfo, argc, argv, 0, TRUE);
/* Specify data destination for compression */
jpeg_stdio_dest(&cinfo, output_file);
#if JPEG_LIB_VERSION >= 80 || defined(MEM_SRCDST_SUPPORTED)
if (memdst)
jpeg_mem_dest(&cinfo, &outbuffer, &outsize);
else
#endif
jpeg_stdio_dest(&cinfo, output_file);
/* Start compressor */
jpeg_start_compress(&cinfo, TRUE);
@@ -593,14 +625,20 @@ main (int argc, char **argv)
/* Close files, if we opened them */
if (input_file != stdin)
fclose(input_file);
if (output_file != stdout)
if (output_file != stdout && output_file != NULL)
fclose(output_file);
#ifdef PROGRESS_REPORT
end_progress_monitor((j_common_ptr) &cinfo);
#endif
if (memdst) {
fprintf(stderr, "Compressed size: %lu bytes\n", outsize);
if (outbuffer != NULL)
free(outbuffer);
}
/* All done. */
exit(jerr.num_warnings ? EXIT_WARNING : EXIT_SUCCESS);
return 0; /* suppress no-return-value warnings */
return 0; /* suppress no-return-value warnings */
}

24
cmakescripts/cmake_uninstall.cmake.in Normal file
View File

@@ -0,0 +1,24 @@
# This code is from the CMake FAQ
if (NOT EXISTS "@CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt")
message(FATAL_ERROR "Cannot find install manifest: \"@CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt\"")
endif(NOT EXISTS "@CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt")
file(READ "@CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt" files)
string(REGEX REPLACE "\n" ";" files "${files}")
list(REVERSE files)
foreach (file ${files})
message(STATUS "Uninstalling \"$ENV{DESTDIR}${file}\"")
if (EXISTS "$ENV{DESTDIR}${file}")
execute_process(
COMMAND "@CMAKE_COMMAND@" -E remove "$ENV{DESTDIR}${file}"
OUTPUT_VARIABLE rm_out
RESULT_VARIABLE rm_retval
)
if(NOT ${rm_retval} EQUAL 0)
message(FATAL_ERROR "Problem when removing \"$ENV{DESTDIR}${file}\"")
endif (NOT ${rm_retval} EQUAL 0)
else (EXISTS "$ENV{DESTDIR}${file}")
message(STATUS "File \"$ENV{DESTDIR}${file}\" does not exist.")
endif (EXISTS "$ENV{DESTDIR}${file}")
endforeach(file)

39
cmakescripts/testclean.cmake Normal file
View File

@@ -0,0 +1,39 @@
file(GLOB FILES
testout*
*_GRAY_*.bmp
*_GRAY_*.png
*_GRAY_*.ppm
*_GRAY_*.jpg
*_GRAY.yuv
*_420_*.bmp
*_420_*.png
*_420_*.ppm
*_420_*.jpg
*_420.yuv
*_422_*.bmp
*_422_*.png
*_422_*.ppm
*_422_*.jpg
*_422.yuv
*_444_*.bmp
*_444_*.png
*_444_*.ppm
*_444_*.jpg
*_444.yuv
*_440_*.bmp
*_440_*.png
*_440_*.ppm
*_440_*.jpg
*_440.yuv
*_411_*.bmp
*_411_*.png
*_411_*.ppm
*_411_*.jpg
*_411.yuv)
if(NOT FILES STREQUAL "")
message(STATUS "Removing test files")
file(REMOVE ${FILES})
else()
message(STATUS "No files to remove")
endif()

74
coderules.doc → coderules.txt
View File

@@ -1,8 +1,10 @@
IJG JPEG LIBRARY: CODING RULES
This file was part of the Independent JPEG Group's software:
Copyright (C) 1991-1996, Thomas G. Lane.
This file is part of the Independent JPEG Group's software.
For conditions of distribution and use, see the accompanying README file.
It was modified by The libjpeg-turbo Project to include only information
relevant to libjpeg-turbo.
For conditions of distribution and use, see the accompanying README.ijg file.
Since numerous people will be contributing code and bug fixes, it's important
@@ -21,33 +23,18 @@ Block comments should be laid out thusly:
*/
We indent statements in K&R style, e.g.,
if (test) {
then-part;
} else {
else-part;
}
if (test) {
then-part;
} else {
else-part;
}
with two spaces per indentation level. (This indentation convention is
handled automatically by GNU Emacs and many other text editors.)
Multi-word names should be written in lower case with underscores, e.g.,
multi_word_name (not multiWordName). Preprocessor symbols and enum constants
are similar but upper case (MULTI_WORD_NAME). Names should be unique within
the first fifteen characters. (On some older systems, global names must be
unique within six characters. We accommodate this without cluttering the
source code by using macros to substitute shorter names.)
We use function prototypes everywhere; we rely on automatic source code
transformation to feed prototype-less C compilers. Transformation is done
by the simple and portable tool 'ansi2knr.c' (courtesy of Ghostscript).
ansi2knr is not very bright, so it imposes a format requirement on function
declarations: the function name MUST BEGIN IN COLUMN 1. Thus all functions
should be written in the following style:
LOCAL(int *)
function_name (int a, char *b)
{
code...
}
the first fifteen characters.
Note that each function definition must begin with GLOBAL(type), LOCAL(type),
or METHODDEF(type). These macros expand to "static type" or just "type" as
@@ -55,32 +42,8 @@ appropriate. They provide a readable indication of the routine's usage and
can readily be changed for special needs. (For instance, special linkage
keywords can be inserted for use in Windows DLLs.)
ansi2knr does not transform method declarations (function pointers in
structs). We handle these with a macro JMETHOD, defined as
#ifdef HAVE_PROTOTYPES
#define JMETHOD(type,methodname,arglist) type (*methodname) arglist
#else
#define JMETHOD(type,methodname,arglist) type (*methodname) ()
#endif
which is used like this:
struct function_pointers {
JMETHOD(void, init_entropy_encoder, (int somearg, jparms *jp));
JMETHOD(void, term_entropy_encoder, (void));
};
Note the set of parentheses surrounding the parameter list.
A similar solution is used for forward and external function declarations
(see the EXTERN and JPP macros).
If the code is to work on non-ANSI compilers, we cannot rely on a prototype
declaration to coerce actual parameters into the right types. Therefore, use
explicit casts on actual parameters whenever the actual parameter type is not
identical to the formal parameter. Beware of implicit conversions to "int".
It seems there are some non-ANSI compilers in which the sizeof() operator
is defined to return int, yet size_t is defined as long. Needless to say,
this is brain-damaged. Always use the SIZEOF() macro in place of sizeof(),
so that the result is guaranteed to be of type size_t.
A similar solution is used for external function declarations (see the EXTERN
macro.)
The JPEG library is intended to be used within larger programs. Furthermore,
@@ -94,23 +57,20 @@ pass these through the common routines provided.
wherever possible. (Note that our method-based calling conventions help this
a lot: in many modules only the initialization function will ever need to be
called directly, so only that function need be externally visible.) All
global function names should begin with "jpeg_", and should have an
abbreviated name (unique in the first six characters) substituted by macro
when NEED_SHORT_EXTERNAL_NAMES is set.
global function names should begin with "jpeg_".
3. Don't use global variables; anything that must be used in another module
should be in the common data structures.
4. Don't use static variables except for read-only constant tables. Variables
that should be private to a module can be placed into private structures (see
the system architecture document, structure.doc).
the system architecture document, structure.txt).
5. Source file names should begin with "j" for files that are part of the
library proper; source files that are not part of the library, such as cjpeg.c
and djpeg.c, do not begin with "j". Keep source file names to eight
characters (plus ".c" or ".h", etc) to make life easy for MS-DOSers. Keep
compression and decompression code in separate source files --- some
applications may want only one half of the library.
and djpeg.c, do not begin with "j". Keep compression and decompression code in
separate source files --- some applications may want only one half of the
library.
Note: these rules (particularly #4) are not followed religiously in the
modules that are used in cjpeg/djpeg but are not part of the JPEG library

600
configure.ac
View File

@@ -2,54 +2,95 @@
# Process this file with autoconf to produce a configure script.
AC_PREREQ([2.56])
AC_INIT([libjpeg-turbo], [0.0.90])
BUILD=`date +%Y%m%d`
AC_INIT([libjpeg-turbo], [1.5.3])
AM_INIT_AUTOMAKE([-Wall foreign dist-bzip2])
AC_PREFIX_DEFAULT(/opt/libjpeg-turbo)
# Always build with prototypes
AC_DEFINE([HAVE_PROTOTYPES], 1, [Define if your compiler supports prototypes])
# Don't use undefined types
AC_DEFINE([INCOMPLETE_TYPES_BROKEN], 1, [Define if you want use complete types])
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
# Checks for programs.
SAVED_CFLAGS=${CFLAGS}
SAVED_CXXFLAGS=${CXXFLAGS}
SAVED_CPPFLAGS=${CPPFLAGS}
AC_PROG_CPP
AC_PROG_CC
AC_PROG_CXX
m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
AM_PROG_AS
AM_PROG_CC_C_O
AC_PROG_INSTALL
AC_PROG_LIBTOOL
AC_PROG_LN_S
AC_MSG_CHECKING([whether the linker supports version scripts])
VERSION_SCRIPT=no
LDVER=`$LD --help </dev/null 2>&1 | grep "\-\-version-script"`
if test "$LDVER"; then
VERSION_SCRIPT=yes
VERSION_SCRIPT_FLAG=-Wl,--version-script,
AC_MSG_RESULT(yes)
else
LDVER=`$LD --help </dev/null 2>&1 | grep "\-M"`
if test "$LDVER"; then
VERSION_SCRIPT=yes
VERSION_SCRIPT_FLAG=-Wl,-M,
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
AC_ARG_WITH([build-date], [Use custom build string to enable reproducible builds (default: YYMMDD)],
[BUILD="$with_build_date"],
[BUILD=`date +%Y%m%d`])
PKG_PROG_PKG_CONFIG
# When the prefix is /opt/libjpeg-turbo, we assume that an "official" binary is
# being created, and thus we install things into specific locations.
old_prefix=${prefix}
if test "x$prefix" = "xNONE" -a "x$ac_default_prefix" != "x"; then
prefix=$ac_default_prefix
fi
DATADIR=`eval echo ${datadir}`
DATADIR=`eval echo $DATADIR`
if test "$DATADIR" = "/opt/libjpeg-turbo/share"; then
datadir='${prefix}'
fi
DATADIR=`eval echo ${datarootdir}`
DATADIR=`eval echo $DATADIR`
if test "$DATADIR" = "/opt/libjpeg-turbo/share"; then
datarootdir='${prefix}'
fi
DOCDIR=`eval echo ${docdir}`
DOCDIR=`eval echo $DOCDIR`
if test "$DOCDIR" = "/opt/libjpeg-turbo/doc/libjpeg-turbo"; then
docdir='${datadir}/doc'
fi
AM_CONDITIONAL(VERSION_SCRIPT, test "x$VERSION_SCRIPT" = "xyes")
AC_SUBST(VERSION_SCRIPT_FLAG)
old_exec_prefix=${exec_prefix}
if test "x$exec_prefix" = "xNONE"; then
exec_prefix=${prefix}
fi
AC_CHECK_SIZEOF(size_t)
if test "x${libdir}" = 'x${exec_prefix}/lib' -o "x${libdir}" = 'x${prefix}/lib'; then
LIBDIR=`eval echo ${libdir}`
LIBDIR=`eval echo $LIBDIR`
if test "$LIBDIR" = "/opt/libjpeg-turbo/lib"; then
case $host_os in
darwin*)
;;
*)
if test "${ac_cv_sizeof_size_t}" = "8"; then
libdir='${exec_prefix}/lib64'
elif test "${ac_cv_sizeof_size_t}" = "4"; then
libdir='${exec_prefix}/lib32'
fi
;;
esac
fi
fi
exec_prefix=${old_exec_prefix}
prefix=${old_prefix}
# Check whether compiler supports pointers to undefined structures
AC_MSG_CHECKING(whether compiler supports pointers to undefined structures)
AC_TRY_COMPILE([ typedef struct undefined_structure *undef_struct_ptr; ], ,
AC_MSG_RESULT(yes),
[AC_MSG_RESULT(no)
AC_DEFINE([INCOMPLETE_TYPES_BROKEN], [1],
[Compiler does not support pointers to undefined structures.])])
if test "x${GCC}" = "xyes"; then
if test "x${SAVED_CFLAGS}" = "x"; then
CFLAGS=-O3
fi
if test "x${SAVED_CXXFLAGS}" = "x"; then
CXXFLAGS=-O3
if test "x${SAVED_CPPFLAGS}" = "x"; then
CPPFLAGS=-Wall
fi
fi
@@ -58,17 +99,15 @@ if test "x${SUNCC}" = "xyes"; then
if test "x${SAVED_CFLAGS}" = "x"; then
CFLAGS=-xO5
fi
if test "x${SAVED_CXXFLAGS}" = "x"; then
CXXFLAGS=-xO5
fi
fi
# Checks for libraries.
# Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS([stddef.h stdlib.h string.h])
AC_CHECK_HEADER([sys/types.h], AC_DEFINE([NEED_SYS_TYPES_H], 1, [Define if you have sys/types.h]))
AC_CHECK_HEADERS([stddef.h stdlib.h locale.h string.h])
AC_CHECK_HEADER([sys/types.h],
AC_DEFINE([NEED_SYS_TYPES_H], 1, [Define if you need to include <sys/types.h> to get size_t.]))
# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
@@ -79,85 +118,440 @@ AC_CHECK_TYPES([unsigned char, unsigned short])
AC_MSG_CHECKING([if right shift is signed])
AC_TRY_RUN(
[#include <stdio.h>
int is_shifting_signed (long arg) {
long res = arg >> 4;
[#include <stdio.h>
int is_shifting_signed (long arg) {
long res = arg >> 4;
if (res == -0x7F7E80CL)
return 1; /* right shift is signed */
if (res == -0x7F7E80CL)
return 1; /* right shift is signed */
/* see if unsigned-shift hack will fix it. */
/* we can't just test exact value since it depends on width of long... */
res |= (~0L) << (32-4);
if (res == -0x7F7E80CL)
return 0; /* right shift is unsigned */
/* see if unsigned-shift hack will fix it. */
/* we can't just test exact value since it depends on width of long... */
res |= (~0L) << (32-4);
if (res == -0x7F7E80CL)
return 0; /* right shift is unsigned */
printf("Right shift isn't acting as I expect it to.\n");
printf("I fear the JPEG software will not work at all.\n\n");
return 0; /* try it with unsigned anyway */
}
int main (void) {
exit(is_shifting_signed(-0x7F7E80B1L));
}],
[AC_MSG_RESULT(no)
AC_DEFINE([RIGHT_SHIFT_IS_UNSIGNED], 1, [Define if shift is unsigned])],
[AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(Assuming that right shift is signed on target machine.)])
# test whether global names are unique to at least 15 chars
AC_MSG_CHECKING([for short external names])
AC_TRY_LINK(
[int possibly_duplicate_function () { return 0; }
int possibly_dupli_function () { return 1; }], [ ],
[AC_MSG_RESULT(ok)],
[AC_MSG_RESULT(short)
AC_DEFINE([NEED_SHORT_EXTERNAL_NAMES], 1, [Define if you need short function names])])
printf("Right shift isn't acting as I expect it to.\n");
printf("I fear the JPEG software will not work at all.\n\n");
return 0; /* try it with unsigned anyway */
}
int main (void) {
exit(is_shifting_signed(-0x7F7E80B1L));
}],
[AC_MSG_RESULT(no)
AC_DEFINE([RIGHT_SHIFT_IS_UNSIGNED], 1,
[Define if your (broken) compiler shifts signed values as if they were unsigned.])],
[AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(Assuming that right shift is signed on target machine.)])
# Checks for library functions.
AC_CHECK_FUNCS([memset memcpy], [],
[AC_DEFINE([NEED_BSD_STRINGS], 1,
[Define if you have BSD-like bzero and bcopy])])
[AC_DEFINE([NEED_BSD_STRINGS], 1,
[Define if you have BSD-like bzero and bcopy in <strings.h> rather than memset/memcpy in <string.h>.])])
# Set flags to indicate platform
case "$host_os" in
cygwin* | mingw* | pw32* | interix*)
is_win32=1
;;
esac
AM_CONDITIONAL([IS_WIN32], [test "x$is_win32" = "x1"])
AC_MSG_CHECKING([libjpeg API version])
AC_ARG_VAR(JPEG_LIB_VERSION, [libjpeg API version (62, 70, or 80)])
if test "x$JPEG_LIB_VERSION" = "x"; then
AC_ARG_WITH([jpeg7],
AC_HELP_STRING([--with-jpeg7],
[Emulate libjpeg v7 API/ABI (this makes libjpeg-turbo backward incompatible with libjpeg v6b.)]))
AC_ARG_WITH([jpeg8],
AC_HELP_STRING([--with-jpeg8],
[Emulate libjpeg v8 API/ABI (this makes libjpeg-turbo backward incompatible with libjpeg v6b.)]))
if test "x${with_jpeg8}" = "xyes"; then
JPEG_LIB_VERSION=80
else
if test "x${with_jpeg7}" = "xyes"; then
JPEG_LIB_VERSION=70
else
JPEG_LIB_VERSION=62
fi
fi
fi
JPEG_LIB_VERSION_DECIMAL=`expr $JPEG_LIB_VERSION / 10`.`expr $JPEG_LIB_VERSION % 10`
AC_SUBST(JPEG_LIB_VERSION_DECIMAL)
AC_MSG_RESULT([$JPEG_LIB_VERSION_DECIMAL])
AC_DEFINE_UNQUOTED(JPEG_LIB_VERSION, [$JPEG_LIB_VERSION],
[libjpeg API version])
AC_ARG_VAR(SO_MAJOR_VERSION,
[Major version of the libjpeg-turbo shared library (default is determined by the API version)])
AC_ARG_VAR(SO_MINOR_VERSION,
[Minor version of the libjpeg-turbo shared library (default is determined by the API version)])
if test "x$SO_MAJOR_VERSION" = "x"; then
case "$JPEG_LIB_VERSION" in
62) SO_MAJOR_VERSION=$JPEG_LIB_VERSION ;;
*) SO_MAJOR_VERSION=`expr $JPEG_LIB_VERSION / 10` ;;
esac
fi
if test "x$SO_MINOR_VERSION" = "x"; then
case "$JPEG_LIB_VERSION" in
80) SO_MINOR_VERSION=2 ;;
*) SO_MINOR_VERSION=0 ;;
esac
fi
RPM_CONFIG_ARGS=
# Memory source/destination managers
SO_AGE=1
MEM_SRCDST_FUNCTIONS=
if test "x${with_jpeg8}" != "xyes"; then
AC_MSG_CHECKING([whether to include in-memory source/destination managers])
AC_ARG_WITH([mem-srcdst],
AC_HELP_STRING([--without-mem-srcdst],
[Do not include in-memory source/destination manager functions when emulating the libjpeg v6b or v7 API/ABI]))
if test "x$with_mem_srcdst" != "xno"; then
AC_MSG_RESULT(yes)
AC_DEFINE([MEM_SRCDST_SUPPORTED], [1],
[Support in-memory source/destination managers])
SO_AGE=2
MEM_SRCDST_FUNCTIONS="global: jpeg_mem_dest; jpeg_mem_src;";
else
AC_MSG_RESULT(no)
RPM_CONFIG_ARGS="$RPM_CONFIG_ARGS --without-mem-srcdst"
fi
fi
AC_MSG_CHECKING([libjpeg shared library version])
AC_MSG_RESULT([$SO_MAJOR_VERSION.$SO_AGE.$SO_MINOR_VERSION])
LIBTOOL_CURRENT=`expr $SO_MAJOR_VERSION + $SO_AGE`
AC_SUBST(LIBTOOL_CURRENT)
AC_SUBST(SO_MAJOR_VERSION)
AC_SUBST(SO_MINOR_VERSION)
AC_SUBST(SO_AGE)
AC_SUBST(MEM_SRCDST_FUNCTIONS)
AC_DEFINE_UNQUOTED(LIBJPEG_TURBO_VERSION, [$VERSION], [libjpeg-turbo version])
m4_define(version_triplet,m4_split(AC_PACKAGE_VERSION,[[.]]))
m4_define(version_major,m4_car(m4_shiftn(1,[],version_triplet)))
m4_define(version_minor,m4_car(m4_shiftn(2,[],version_triplet)))
m4_define(version_revision,m4_car(m4_shiftn(3,[],version_triplet)))
VERSION_MAJOR=version_major
VERSION_MINOR=version_minor
VERSION_REVISION=version_revision
LIBJPEG_TURBO_VERSION_NUMBER=`printf "%d%03d%03d" $VERSION_MAJOR $VERSION_MINOR $VERSION_REVISION`
AC_DEFINE_UNQUOTED(LIBJPEG_TURBO_VERSION_NUMBER, [$LIBJPEG_TURBO_VERSION_NUMBER], [libjpeg-turbo version in integer form])
VERSION_SCRIPT=yes
AC_ARG_ENABLE([ld-version-script],
AS_HELP_STRING([--disable-ld-version-script],
[Disable linker version script for libjpeg-turbo (default is to use linker version script if the linker supports it)]),
[VERSION_SCRIPT=$enableval], [])
AC_MSG_CHECKING([whether the linker supports version scripts])
SAVED_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS -Wl,--version-script,conftest.map"
cat > conftest.map <<EOF
VERS_1 {
global: *;
};
EOF
AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
[VERSION_SCRIPT_FLAG=-Wl,--version-script,;
AC_MSG_RESULT([yes (GNU style)])],
[])
if test "x$VERSION_SCRIPT_FLAG" = "x"; then
LDFLAGS="$SAVED_LDFLAGS -Wl,-M,conftest.map"
AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
[VERSION_SCRIPT_FLAG=-Wl,-M,;
AC_MSG_RESULT([yes (Sun style)])],
[])
fi
if test "x$VERSION_SCRIPT_FLAG" = "x"; then
VERSION_SCRIPT=no
AC_MSG_RESULT(no)
fi
LDFLAGS="$SAVED_LDFLAGS"
AC_MSG_CHECKING([whether to use version script when building libjpeg-turbo])
AC_MSG_RESULT($VERSION_SCRIPT)
AM_CONDITIONAL(VERSION_SCRIPT, test "x$VERSION_SCRIPT" = "xyes")
AC_SUBST(VERSION_SCRIPT_FLAG)
# Check for non-broken inline under various spellings
AC_MSG_CHECKING(for inline)
ljt_cv_inline=""
AC_TRY_COMPILE(, [} inline __attribute__((always_inline)) int foo() { return 0; }
int bar() { return foo();], ljt_cv_inline="inline __attribute__((always_inline))",
AC_TRY_COMPILE(, [} __inline__ int foo() { return 0; }
int bar() { return foo();], ljt_cv_inline="__inline__",
AC_TRY_COMPILE(, [} __inline int foo() { return 0; }
int bar() { return foo();], ljt_cv_inline="__inline",
AC_TRY_COMPILE(, [} inline int foo() { return 0; }
int bar() { return foo();], ljt_cv_inline="inline"))))
AC_MSG_RESULT($ljt_cv_inline)
AC_DEFINE_UNQUOTED([INLINE],[$ljt_cv_inline],[How to obtain function inlining.])
# Arithmetic coding support
AC_MSG_CHECKING([whether to include arithmetic encoding support])
AC_ARG_WITH([arith-enc],
AC_HELP_STRING([--without-arith-enc],
[Do not include arithmetic encoding support when emulating the libjpeg v6b API/ABI]))
if test "x$with_12bit" = "xyes"; then
with_arith_enc=no
fi
if test "x${with_jpeg8}" = "xyes" -o "x${with_jpeg7}" = "xyes"; then
with_arith_enc=yes
fi
if test "x$with_arith_enc" = "xno"; then
AC_MSG_RESULT(no)
RPM_CONFIG_ARGS="$RPM_CONFIG_ARGS --without-arith-enc"
else
AC_DEFINE([C_ARITH_CODING_SUPPORTED], [1], [Support arithmetic encoding])
AC_MSG_RESULT(yes)
fi
AM_CONDITIONAL([WITH_ARITH_ENC], [test "x$with_arith_enc" != "xno"])
AC_MSG_CHECKING([whether to include arithmetic decoding support])
AC_ARG_WITH([arith-dec],
AC_HELP_STRING([--without-arith-dec],
[Do not include arithmetic decoding support when emulating the libjpeg v6b API/ABI]))
if test "x$with_12bit" = "xyes"; then
with_arith_dec=no
fi
if test "x${with_jpeg8}" = "xyes" -o "x${with_jpeg7}" = "xyes"; then
with_arith_dec=yes
fi
if test "x$with_arith_dec" = "xno"; then
AC_MSG_RESULT(no)
RPM_CONFIG_ARGS="$RPM_CONFIG_ARGS --without-arith-dec"
else
AC_DEFINE([D_ARITH_CODING_SUPPORTED], [1], [Support arithmetic decoding])
AC_MSG_RESULT(yes)
fi
AM_CONDITIONAL([WITH_ARITH_DEC], [test "x$with_arith_dec" != "xno"])
AM_CONDITIONAL([WITH_ARITH],
[test "x$with_arith_dec" != "xno" -o "x$with_arith_enc" != "xno"])
# 12-bit component support
AC_MSG_CHECKING([whether to use 12-bit samples])
AC_ARG_WITH([12bit],
AC_HELP_STRING([--with-12bit], [Encode/decode JPEG images with 12-bit samples (implies --without-simd --without-turbojpeg --without-arith-dec --without-arith-enc)]))
if test "x$with_12bit" = "xyes"; then
AC_DEFINE([BITS_IN_JSAMPLE], [12], [use 8 or 12])
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
AM_CONDITIONAL([WITH_12BIT], [test "x$with_12bit" = "xyes"])
# TurboJPEG support
AC_MSG_CHECKING([whether to build TurboJPEG C wrapper])
AC_ARG_WITH([turbojpeg],
AC_HELP_STRING([--without-turbojpeg],
[Do not include the TurboJPEG wrapper library and associated test programs]))
if test "x$with_12bit" = "xyes"; then
with_turbojpeg=no
fi
if test "x$with_turbojpeg" = "xno"; then
AC_MSG_RESULT(no)
RPM_CONFIG_ARGS="$RPM_CONFIG_ARGS --without-turbojpeg"
else
AC_MSG_RESULT(yes)
fi
# Java support
AC_ARG_VAR(JAVAC, [Java compiler command (default: javac)])
if test "x$JAVAC" = "x"; then
JAVAC=javac
fi
AC_SUBST(JAVAC)
AC_ARG_VAR(JAVACFLAGS, [Java compiler flags])
JAVACFLAGS="$JAVACFLAGS -J-Dfile.encoding=UTF8"
AC_SUBST(JAVACFLAGS)
AC_ARG_VAR(JAR, [Java archive command (default: jar)])
if test "x$JAR" = "x"; then
JAR=jar
fi
AC_SUBST(JAR)
AC_ARG_VAR(JAVA, [Java runtime command (default: java)])
if test "x$JAVA" = "x"; then
JAVA=java
fi
AC_SUBST(JAVA)
AC_ARG_VAR(JNI_CFLAGS,
[C compiler flags needed to include jni.h (default: -I/System/Library/Frameworks/JavaVM.framework/Headers on OS X, '-I/usr/java/include -I/usr/java/include/solaris' on Solaris, and '-I/usr/java/default/include -I/usr/java/default/include/linux' on Linux)])
AC_MSG_CHECKING([whether to build TurboJPEG Java wrapper])
AC_ARG_WITH([java],
AC_HELP_STRING([--with-java], [Build Java wrapper for the TurboJPEG library]))
if test "x$with_12bit" = "xyes" -o "x$with_turbojpeg" = "xno"; then
with_java=no
fi
WITH_JAVA=0
if test "x$with_java" = "xyes"; then
AC_MSG_RESULT(yes)
case $host_os in
darwin*)
DEFAULT_JNI_CFLAGS=-I/System/Library/Frameworks/JavaVM.framework/Headers
;;
solaris*)
DEFAULT_JNI_CFLAGS='-I/usr/java/include -I/usr/java/include/solaris'
;;
linux*)
DEFAULT_JNI_CFLAGS='-I/usr/java/default/include -I/usr/java/default/include/linux'
;;
esac
if test "x$JNI_CFLAGS" = "x"; then
JNI_CFLAGS=$DEFAULT_JNI_CFLAGS
fi
SAVE_CPPFLAGS=${CPPFLAGS}
CPPFLAGS="${CPPFLAGS} ${JNI_CFLAGS}"
AC_CHECK_HEADERS([jni.h], [DUMMY=1],
[AC_MSG_ERROR([Could not find JNI header file])])
CPPFLAGS=${SAVE_CPPFLAGS}
AC_SUBST(JNI_CFLAGS)
RPM_CONFIG_ARGS="$RPM_CONFIG_ARGS --with-java"
JAVA_RPM_CONTENTS_1='%dir %{_datadir}/classes'
JAVA_RPM_CONTENTS_2=%{_datadir}/classes/turbojpeg.jar
WITH_JAVA=1
else
AC_MSG_RESULT(no)
fi
AM_CONDITIONAL([WITH_JAVA], [test "x$with_java" = "xyes"])
AC_SUBST(WITH_JAVA)
AC_SUBST(JAVA_RPM_CONTENTS_1)
AC_SUBST(JAVA_RPM_CONTENTS_2)
# optionally force using gas-preprocessor.pl for compatibility testing
AC_ARG_WITH([gas-preprocessor],
AC_HELP_STRING([--with-gas-preprocessor],
[Force using gas-preprocessor.pl on ARM.]))
if test "x${with_gas_preprocessor}" = "xyes"; then
case $host_os in
darwin*)
CCAS="gas-preprocessor.pl -fix-unreq $CC"
;;
*)
CCAS="gas-preprocessor.pl -no-fix-unreq $CC"
;;
esac
AC_SUBST([CCAS])
fi
# SIMD is optional
AC_ARG_WITH([simd],
AC_HELP_STRING([--without-simd],[Omit accelerated SIMD routines.]))
AC_HELP_STRING([--without-simd], [Do not include SIMD extensions]))
if test "x$with_12bit" = "xyes"; then
with_simd=no
fi
if test "x${with_simd}" != "xno"; then
require_simd=no
if test "x${with_simd}" = "xyes"; then
require_simd=yes
fi
# Check if we're on a supported CPU
AC_MSG_CHECKING([if we have SIMD optimisations for cpu type])
case "$host_cpu" in
x86_64)
x86_64 | amd64)
AC_MSG_RESULT([yes (x86_64)])
AC_PROG_NASM
simd_arch=x86_64
;;
;;
i*86 | x86 | ia32)
AC_MSG_RESULT([yes (i386)])
AC_PROG_NASM
simd_arch=i386
;;
;;
arm*)
AC_MSG_RESULT([yes (arm)])
AC_MSG_CHECKING([if the assembler is GNU-compatible and can be used])
AC_CHECK_COMPATIBLE_ARM_ASSEMBLER_IFELSE(
[if test "x$ac_use_gas_preprocessor" = "xyes"; then
AC_MSG_RESULT([yes (with gas-preprocessor)])
else
AC_MSG_RESULT([yes])
fi
simd_arch=arm],
[AC_MSG_RESULT([no])
with_simd=no])
if test "x${with_simd}" = "xno"; then
if test "x${require_simd}" = "xyes"; then
AC_MSG_ERROR([SIMD support can't be enabled.])
else
AC_MSG_WARN([SIMD support can't be enabled. Performance will suffer.])
fi
fi
;;
aarch64*)
AC_MSG_RESULT([yes (arm64)])
AC_MSG_CHECKING([if the assembler is GNU-compatible and can be used])
AC_CHECK_COMPATIBLE_ARM64_ASSEMBLER_IFELSE(
[if test "x$ac_use_gas_preprocessor" = "xyes"; then
AC_MSG_RESULT([yes (with gas-preprocessor)])
else
AC_MSG_RESULT([yes])
fi
simd_arch=aarch64],
[AC_MSG_RESULT([no])
with_simd=no])
if test "x${with_simd}" = "xno"; then
if test "x${require_simd}" = "xyes"; then
AC_MSG_ERROR([SIMD support can't be enabled.])
else
AC_MSG_WARN([SIMD support can't be enabled. Performance will suffer.])
fi
fi
;;
mips*)
AC_MSG_RESULT([yes (mips)])
AC_MSG_CHECKING([if the assembler is GNU-compatible and can be used])
AC_CHECK_COMPATIBLE_MIPS_ASSEMBLER_IFELSE(
[AC_MSG_RESULT([yes])
simd_arch=mips],
[AC_MSG_RESULT([no])
with_simd=no])
if test "x${with_simd}" = "xno"; then
if test "x${require_simd}" = "xyes"; then
AC_MSG_ERROR([SIMD support can't be enabled.])
else
AC_MSG_WARN([SIMD support can't be enabled. Performance will suffer.])
fi
fi
;;
powerpc*)
AC_CHECK_ALTIVEC(
[AC_MSG_RESULT([yes (powerpc)])
simd_arch=powerpc],
[AC_NO_SIMD(PowerPC SPE)])
;;
*)
AC_MSG_RESULT([no ("$host_cpu")])
AC_MSG_ERROR([CPU is not supported])
;;
AC_NO_SIMD($host_cpu)
;;
esac
if test "x${with_simd}" != "xno"; then
AC_DEFINE([WITH_SIMD], [1], [Use accelerated SIMD routines.])
fi
else
RPM_CONFIG_ARGS="$RPM_CONFIG_ARGS --without-simd"
fi
AM_CONDITIONAL([WITH_SIMD], [test "x$with_simd" != "xno"])
AM_CONDITIONAL([WITH_SSE_FLOAT_DCT], [test "x$simd_arch" = "xx86_64" -o "x$simd_arch" = "xi386"])
AM_CONDITIONAL([SIMD_I386], [test "x$simd_arch" = "xi386"])
AM_CONDITIONAL([SIMD_X86_64], [test "x$simd_arch" = "xx86_64"])
AM_CONDITIONAL([X86_64], [test "x$host_cpu" = "xx86_64"])
AM_CONDITIONAL([SIMD_ARM], [test "x$simd_arch" = "xarm"])
AM_CONDITIONAL([SIMD_ARM_64], [test "x$simd_arch" = "xaarch64"])
AM_CONDITIONAL([SIMD_MIPS], [test "x$simd_arch" = "xmips"])
AM_CONDITIONAL([SIMD_POWERPC], [test "x$simd_arch" = "xpowerpc"])
AM_CONDITIONAL([X86_64], [test "x$host_cpu" = "xx86_64" -o "x$host_cpu" = "xamd64"])
AM_CONDITIONAL([WITH_TURBOJPEG], [test "x$with_turbojpeg" != "xno"])
AM_CONDITIONAL([CROSS_COMPILING], [test "x$cross_compiling" = "xyes"])
AC_ARG_VAR(PKGNAME, [distribution package name (default: libjpeg-turbo)])
if test "x$PKGNAME" = "x"; then
PKGNAME=$PACKAGE_NAME
fi
AC_SUBST(PKGNAME)
case "$host_cpu" in
x86_64)
@@ -168,17 +562,55 @@ case "$host_cpu" in
RPMARCH=i386
DEBARCH=i386
;;
powerpc64le)
RPMARCH=`uname -m`
DEBARCH=ppc64el
;;
powerpc)
RPMARCH=ppc
DEBARCH=ppc
;;
*)
RPMARCH=`uname -m`
DEBARCH=$RPMARCH
;;
esac
if test "${docdir}" = ""; then
docdir=${datadir}/doc
AC_SUBST(docdir)
fi
AC_SUBST(RPMARCH)
AC_SUBST(RPM_CONFIG_ARGS)
AC_SUBST(DEBARCH)
AC_SUBST(BUILD)
AC_DEFINE_UNQUOTED([BUILD], "$BUILD", [libjpeg-turbo build number])
# jconfig.h is the file we use, but we have another before that to
# fool autoheader. the reason is that we include this header in our
# API headers, which can screw things up for users of the lib.
# jconfig.h is a minimal version that allows this package to be built
# NOTE: autoheader automatically modifies the input file of the first
# invocation of AC_CONFIG_HEADERS, so we put config.h first to prevent
# jconfig.h.in from being clobbered. config.h is used only internally, whereas
# jconfig.h contains macros that are relevant to external programs (macros that
# specify which features were built into the library.)
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_HEADERS([jconfig.h])
AC_CONFIG_HEADERS([jconfigint.h])
AC_CONFIG_FILES([pkgscripts/libjpeg-turbo.spec.tmpl:release/libjpeg-turbo.spec.in])
AC_CONFIG_FILES([pkgscripts/makecygwinpkg.tmpl:release/makecygwinpkg.in])
AC_CONFIG_FILES([pkgscripts/makedpkg.tmpl:release/makedpkg.in])
AC_CONFIG_FILES([pkgscripts/makemacpkg.tmpl:release/makemacpkg.in])
AC_CONFIG_FILES([pkgscripts/uninstall.tmpl:release/uninstall.in])
AC_CONFIG_FILES([pkgscripts/libjpeg.pc:release/libjpeg.pc.in])
AC_CONFIG_FILES([pkgscripts/libturbojpeg.pc:release/libturbojpeg.pc.in])
if test "x$with_turbojpeg" != "xno"; then
AC_CONFIG_FILES([tjbenchtest])
fi
if test "x$with_java" = "xyes"; then
AC_CONFIG_FILES([tjbenchtest.java])
AC_CONFIG_FILES([tjexampletest])
fi
AC_CONFIG_FILES([libjpeg.map])
AC_CONFIG_FILES([Makefile simd/Makefile])
AC_CONFIG_FILES([java/Makefile])
AC_CONFIG_FILES([md5/Makefile])
AC_OUTPUT

88
djpeg.1
View File

@@ -1,4 +1,4 @@
.TH DJPEG 1 "22 August 1997"
.TH DJPEG 1 "13 November 2017"
.SH NAME
djpeg \- decompress a JPEG file to an image file
.SH SYNOPSIS
@@ -55,15 +55,19 @@ default options are chosen for highest quality output.) Currently, this is
equivalent to \fB\-dct fast \-nosmooth \-onepass \-dither ordered\fR.
.TP
.B \-grayscale
Force gray-scale output even if JPEG file is color. Useful for viewing on
Force grayscale output even if JPEG file is color. Useful for viewing on
monochrome displays; also,
.B djpeg
runs noticeably faster in this mode.
.TP
.B \-rgb
Force RGB output even if JPEG file is grayscale.
.TP
.BI \-scale " M/N"
Scale the output image by a factor M/N. Currently the scale factor must be
1/1, 1/2, 1/4, or 1/8. Scaling is handy if the image is larger than your
screen; also,
M/8, where M is an integer between 1 and 16 inclusive, or any reduced fraction
thereof (such as 1/2, 3/4, etc.) Scaling is handy if the image is larger than
your screen; also,
.B djpeg
runs much faster when scaling down the output.
.TP
@@ -73,7 +77,7 @@ emitted if
.B \-colors
or
.B \-grayscale
is specified, or if the JPEG file is gray-scale; otherwise, 24-bit full-color
is specified, or if the JPEG file is grayscale; otherwise, 24-bit full-color
format is emitted.
.TP
.B \-gif
@@ -87,12 +91,12 @@ emitted if
.B \-colors
or
.B \-grayscale
is specified, or if the JPEG file is gray-scale; otherwise, 24-bit full-color
is specified, or if the JPEG file is grayscale; otherwise, 24-bit full-color
format is emitted.
.TP
.B \-pnm
Select PBMPLUS (PPM/PGM) output format (this is the default format).
PGM is emitted if the JPEG file is gray-scale or if
PGM is emitted if the JPEG file is grayscale or if
.B \-grayscale
is specified; otherwise PPM is emitted.
.TP
@@ -100,8 +104,8 @@ is specified; otherwise PPM is emitted.
Select RLE output format. (Requires URT library.)
.TP
.B \-targa
Select Targa output format. Gray-scale format is emitted if the JPEG file is
gray-scale or if
Select Targa output format. Grayscale format is emitted if the JPEG file is
grayscale or if
.B \-grayscale
is specified; otherwise, colormapped format is emitted if
.B \-colors
@@ -114,14 +118,28 @@ Use integer DCT method (default).
.TP
.B \-dct fast
Use fast integer DCT (less accurate).
In libjpeg-turbo, the fast method is generally about 5-15% faster than the int
method when using the x86/x86-64 SIMD extensions (results may vary with other
SIMD implementations, or when using libjpeg-turbo without SIMD extensions.) If
the JPEG image was compressed using a quality level of 85 or below, then there
should be little or no perceptible difference between the two algorithms. When
decompressing images that were compressed using quality levels above 85,
however, the difference between the fast and int methods becomes more
pronounced. With images compressed using quality=97, for instance, the fast
method incurs generally about a 4-6 dB loss (in PSNR) relative to the int
method, but this can be larger for some images. If you can avoid it, do not
use the fast method when decompressing images that were compressed using
quality levels above 97. The algorithm often degenerates for such images and
can actually produce a more lossy output image than if the JPEG image had been
compressed using lower quality levels.
.TP
.B \-dct float
Use floating-point DCT method.
The float method is very slightly more accurate than the int method, but is
much slower unless your machine has very fast floating-point hardware. Also
note that results of the floating-point method may vary slightly across
machines, while the integer methods should give the same results everywhere.
The fast integer method is much less accurate than the other two.
The float method is mainly a legacy feature. It does not produce significantly
more accurate results than the int method, and it is much slower. The float
method may also give different results on different machines due to varying
roundoff behavior, whereas the integer methods should give the same results on
all machines.
.TP
.B \-dither fs
Use Floyd-Steinberg dithering in color quantization.
@@ -159,7 +177,7 @@ faster and needs less memory, but it produces a lower-quality image.
is ignored unless you also say
.B \-colors
.IR N .
Also, the one-pass method is always used for gray-scale output (the two-pass
Also, the one-pass method is always used for grayscale output (the two-pass
method is no improvement then).
.TP
.BI \-maxmemory " N"
@@ -167,11 +185,28 @@ Set limit for amount of memory to use in processing large images. Value is
in thousands of bytes, or millions of bytes if "M" is attached to the
number. For example,
.B \-max 4m
selects 4000000 bytes. If more space is needed, temporary files will be used.
selects 4000000 bytes. If more space is needed, an error will occur.
.TP
.BI \-outfile " name"
Send output image to the named file, not to standard output.
.TP
.BI \-memsrc
Load input file into memory before decompressing. This feature was implemented
mainly as a way of testing the in-memory source manager (jpeg_mem_src().)
.TP
.BI \-skip " Y0,Y1"
Decompress all rows of the JPEG image except those between Y0 and Y1
(inclusive.) Note that if decompression scaling is being used, then Y0 and Y1
are relative to the scaled image dimensions.
.TP
.BI \-crop " WxH+X+Y"
Decompress only a rectangular subregion of the image, starting at point X,Y
with width W and height H. If necessary, X will be shifted left to the nearest
iMCU boundary, and the width will be increased accordingly. Note that if
decompression scaling is being used, then X, Y, W, and H are relative to the
scaled image dimensions. Currently this option only works with the
PBMPLUS (PPM/PGM), GIF, and Targa output formats.
.TP
.B \-verbose
Enable debug printout. More
.BR \-v 's
@@ -180,6 +215,9 @@ give more output. Also, version information is printed at startup.
.B \-debug
Same as
.BR \-verbose .
.TP
.B \-version
Print version information and exit.
.SH EXAMPLES
.LP
This example decompresses the JPEG file foo.jpg, quantizes it to
@@ -242,12 +280,14 @@ Wallace, Gregory K. "The JPEG Still Picture Compression Standard",
Communications of the ACM, April 1991 (vol. 34, no. 4), pp. 30-44.
.SH AUTHOR
Independent JPEG Group
.SH BUGS
Arithmetic coding is not supported for legal reasons.
.PP
To avoid the Unisys LZW patent,
.B djpeg
produces uncompressed GIF files. These are larger than they should be, but
are readable by standard GIF decoders.
.PP
Still not as fast as we'd like.
This file was modified by The libjpeg-turbo Project to include only information
relevant to libjpeg-turbo, to wordsmith certain sections, and to describe
features not present in libjpeg.
.SH ISSUES
Support for compressed GIF output files was removed in djpeg v6b due to
concerns over the Unisys LZW patent. Although this patent expired in 2006,
djpeg still lacks compressed GIF support, for these historical reasons.
(Conversion of JPEG files to GIF is usually a bad idea anyway, since GIF is a
256-color format.) The uncompressed GIF files that djpeg generates are larger
than they should be, but they are readable by standard GIF decoders.

402
djpeg.c
View File

@@ -1,17 +1,22 @@
/*
* djpeg.c
*
* This file was part of the Independent JPEG Group's software:
* Copyright (C) 1991-1997, Thomas G. Lane.
* This file is part of the Independent JPEG Group's software.
* For conditions of distribution and use, see the accompanying README file.
* Modified 2013 by Guido Vollbeding.
* libjpeg-turbo Modifications:
* Copyright (C) 2010-2011, 2013-2017, D. R. Commander.
* Copyright (C) 2015, Google, Inc.
* For conditions of distribution and use, see the accompanying README.ijg
* file.
*
* This file contains a command-line user interface for the JPEG decompressor.
* It should work on any system with Unix- or MS-DOS-style command lines.
*
* Two different command line styles are permitted, depending on the
* compile-time switch TWO_FILE_COMMANDLINE:
* djpeg [options] inputfile outputfile
* djpeg [options] [inputfile]
* djpeg [options] inputfile outputfile
* djpeg [options] [inputfile]
* In the second style, output is always to standard output, which you'd
* normally redirect to a file or pipe to some other program. Input is
* either from a named file or from standard input (typically redirected).
@@ -19,29 +24,30 @@
* don't support pipes. Also, you MUST use the first style if your system
* doesn't do binary I/O to stdin/stdout.
* To simplify script writing, the "-outfile" switch is provided. The syntax
* djpeg [options] -outfile outputfile inputfile
* djpeg [options] -outfile outputfile inputfile
* works regardless of which command line style is used.
*/
#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */
#include "jversion.h" /* for version message */
#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */
#include "jversion.h" /* for version message */
#include "jconfigint.h"
#include <ctype.h> /* to declare isprint() */
#include <ctype.h> /* to declare isprint() */
#ifdef USE_CCOMMAND /* command-line reader for Macintosh */
#ifdef USE_CCOMMAND /* command-line reader for Macintosh */
#ifdef __MWERKS__
#include <SIOUX.h> /* Metrowerks needs this */
#include <console.h> /* ... and this */
#include <console.h> /* ... and this */
#endif
#ifdef THINK_C
#include <console.h> /* Think declares it here */
#include <console.h> /* Think declares it here */
#endif
#endif
/* Create the add-on message string table. */
#define JMESSAGE(code,string) string ,
#define JMESSAGE(code,string) string ,
static const char * const cdjpeg_message_table[] = {
#include "cderror.h"
@@ -57,17 +63,17 @@ static const char * const cdjpeg_message_table[] = {
*/
typedef enum {
FMT_BMP, /* BMP format (Windows flavor) */
FMT_GIF, /* GIF format */
FMT_OS2, /* BMP format (OS/2 flavor) */
FMT_PPM, /* PPM/PGM (PBMPLUS formats) */
FMT_RLE, /* RLE format */
FMT_TARGA, /* Targa format */
FMT_TIFF /* TIFF format */
FMT_BMP, /* BMP format (Windows flavor) */
FMT_GIF, /* GIF format */
FMT_OS2, /* BMP format (OS/2 flavor) */
FMT_PPM, /* PPM/PGM (PBMPLUS formats) */
FMT_RLE, /* RLE format */
FMT_TARGA, /* Targa format */
FMT_TIFF /* TIFF format */
} IMAGE_FORMATS;
#ifndef DEFAULT_FMT /* so can override from CFLAGS in Makefile */
#define DEFAULT_FMT FMT_PPM
#ifndef DEFAULT_FMT /* so can override from CFLAGS in Makefile */
#define DEFAULT_FMT FMT_PPM
#endif
static IMAGE_FORMATS requested_fmt;
@@ -82,8 +88,13 @@ static IMAGE_FORMATS requested_fmt;
*/
static const char * progname; /* program name for error messages */
static char * outfilename; /* for -outfile switch */
static const char *progname; /* program name for error messages */
static char *outfilename; /* for -outfile switch */
boolean memsrc; /* for -memsrc switch */
boolean skip, crop;
JDIMENSION skip_start, skip_end;
JDIMENSION crop_x, crop_y, crop_width, crop_height;
#define INPUT_BUF_SIZE 4096
LOCAL(void)
@@ -101,45 +112,47 @@ usage (void)
fprintf(stderr, " -colors N Reduce image to no more than N colors\n");
fprintf(stderr, " -fast Fast, low-quality processing\n");
fprintf(stderr, " -grayscale Force grayscale output\n");
fprintf(stderr, " -rgb Force RGB output\n");
fprintf(stderr, " -rgb565 Force RGB565 output\n");
#ifdef IDCT_SCALING_SUPPORTED
fprintf(stderr, " -scale M/N Scale output image by fraction M/N, eg, 1/8\n");
#endif
#ifdef BMP_SUPPORTED
fprintf(stderr, " -bmp Select BMP output format (Windows style)%s\n",
(DEFAULT_FMT == FMT_BMP ? " (default)" : ""));
(DEFAULT_FMT == FMT_BMP ? " (default)" : ""));
#endif
#ifdef GIF_SUPPORTED
fprintf(stderr, " -gif Select GIF output format%s\n",
(DEFAULT_FMT == FMT_GIF ? " (default)" : ""));
(DEFAULT_FMT == FMT_GIF ? " (default)" : ""));
#endif
#ifdef BMP_SUPPORTED
fprintf(stderr, " -os2 Select BMP output format (OS/2 style)%s\n",
(DEFAULT_FMT == FMT_OS2 ? " (default)" : ""));
(DEFAULT_FMT == FMT_OS2 ? " (default)" : ""));
#endif
#ifdef PPM_SUPPORTED
fprintf(stderr, " -pnm Select PBMPLUS (PPM/PGM) output format%s\n",
(DEFAULT_FMT == FMT_PPM ? " (default)" : ""));
(DEFAULT_FMT == FMT_PPM ? " (default)" : ""));
#endif
#ifdef RLE_SUPPORTED
fprintf(stderr, " -rle Select Utah RLE output format%s\n",
(DEFAULT_FMT == FMT_RLE ? " (default)" : ""));
(DEFAULT_FMT == FMT_RLE ? " (default)" : ""));
#endif
#ifdef TARGA_SUPPORTED
fprintf(stderr, " -targa Select Targa output format%s\n",
(DEFAULT_FMT == FMT_TARGA ? " (default)" : ""));
(DEFAULT_FMT == FMT_TARGA ? " (default)" : ""));
#endif
fprintf(stderr, "Switches for advanced users:\n");
#ifdef DCT_ISLOW_SUPPORTED
fprintf(stderr, " -dct int Use integer DCT method%s\n",
(JDCT_DEFAULT == JDCT_ISLOW ? " (default)" : ""));
(JDCT_DEFAULT == JDCT_ISLOW ? " (default)" : ""));
#endif
#ifdef DCT_IFAST_SUPPORTED
fprintf(stderr, " -dct fast Use fast integer DCT (less accurate)%s\n",
(JDCT_DEFAULT == JDCT_IFAST ? " (default)" : ""));
(JDCT_DEFAULT == JDCT_IFAST ? " (default)" : ""));
#endif
#ifdef DCT_FLOAT_SUPPORTED
fprintf(stderr, " -dct float Use floating-point DCT method%s\n",
(JDCT_DEFAULT == JDCT_FLOAT ? " (default)" : ""));
(JDCT_DEFAULT == JDCT_FLOAT ? " (default)" : ""));
#endif
fprintf(stderr, " -dither fs Use F-S dithering (default)\n");
fprintf(stderr, " -dither none Don't use dithering in quantization\n");
@@ -153,14 +166,22 @@ usage (void)
#endif
fprintf(stderr, " -maxmemory N Maximum memory to use (in kbytes)\n");
fprintf(stderr, " -outfile name Specify name for output file\n");
#if JPEG_LIB_VERSION >= 80 || defined(MEM_SRCDST_SUPPORTED)
fprintf(stderr, " -memsrc Load input file into memory before decompressing\n");
#endif
fprintf(stderr, " -skip Y0,Y1 Decompress all rows except those between Y0 and Y1 (inclusive)\n");
fprintf(stderr, " -crop WxH+X+Y Decompress only a rectangular subregion of the image\n");
fprintf(stderr, " [requires PBMPLUS (PPM/PGM), GIF, or Targa output format]\n");
fprintf(stderr, " -verbose or -debug Emit debug output\n");
fprintf(stderr, " -version Print version information and exit\n");
exit(EXIT_FAILURE);
}
LOCAL(int)
parse_switches (j_decompress_ptr cinfo, int argc, char **argv,
int last_file_arg_seen, boolean for_real)
int last_file_arg_seen, boolean for_real)
/* Parse optional switches.
* Returns argv[] index of first file-name argument (== argc if none).
* Any file names with indexes <= last_file_arg_seen are ignored;
@@ -171,11 +192,14 @@ parse_switches (j_decompress_ptr cinfo, int argc, char **argv,
*/
{
int argn;
char * arg;
char *arg;
/* Set up default JPEG parameters. */
requested_fmt = DEFAULT_FMT; /* set default output file format */
requested_fmt = DEFAULT_FMT; /* set default output file format */
outfilename = NULL;
memsrc = FALSE;
skip = FALSE;
crop = FALSE;
cinfo->err->trace_level = 0;
/* Scan command line options, adjust parameters */
@@ -185,54 +209,54 @@ parse_switches (j_decompress_ptr cinfo, int argc, char **argv,
if (*arg != '-') {
/* Not a switch, must be a file name argument */
if (argn <= last_file_arg_seen) {
outfilename = NULL; /* -outfile applies to just one input file */
continue; /* ignore this name if previously processed */
outfilename = NULL; /* -outfile applies to just one input file */
continue; /* ignore this name if previously processed */
}
break; /* else done parsing switches */
break; /* else done parsing switches */
}
arg++; /* advance past switch marker character */
arg++; /* advance past switch marker character */
if (keymatch(arg, "bmp", 1)) {
/* BMP output format. */
requested_fmt = FMT_BMP;
} else if (keymatch(arg, "colors", 1) || keymatch(arg, "colours", 1) ||
keymatch(arg, "quantize", 1) || keymatch(arg, "quantise", 1)) {
keymatch(arg, "quantize", 1) || keymatch(arg, "quantise", 1)) {
/* Do color quantization. */
int val;
if (++argn >= argc) /* advance to next argument */
usage();
if (++argn >= argc) /* advance to next argument */
usage();
if (sscanf(argv[argn], "%d", &val) != 1)
usage();
usage();
cinfo->desired_number_of_colors = val;
cinfo->quantize_colors = TRUE;
} else if (keymatch(arg, "dct", 2)) {
/* Select IDCT algorithm. */
if (++argn >= argc) /* advance to next argument */
usage();
if (++argn >= argc) /* advance to next argument */
usage();
if (keymatch(argv[argn], "int", 1)) {
cinfo->dct_method = JDCT_ISLOW;
cinfo->dct_method = JDCT_ISLOW;
} else if (keymatch(argv[argn], "fast", 2)) {
cinfo->dct_method = JDCT_IFAST;
cinfo->dct_method = JDCT_IFAST;
} else if (keymatch(argv[argn], "float", 2)) {
cinfo->dct_method = JDCT_FLOAT;
cinfo->dct_method = JDCT_FLOAT;
} else
usage();
usage();
} else if (keymatch(arg, "dither", 2)) {
/* Select dithering algorithm. */
if (++argn >= argc) /* advance to next argument */
usage();
if (++argn >= argc) /* advance to next argument */
usage();
if (keymatch(argv[argn], "fs", 2)) {
cinfo->dither_mode = JDITHER_FS;
cinfo->dither_mode = JDITHER_FS;
} else if (keymatch(argv[argn], "none", 2)) {
cinfo->dither_mode = JDITHER_NONE;
cinfo->dither_mode = JDITHER_NONE;
} else if (keymatch(argv[argn], "ordered", 2)) {
cinfo->dither_mode = JDITHER_ORDERED;
cinfo->dither_mode = JDITHER_ORDERED;
} else
usage();
usage();
} else if (keymatch(arg, "debug", 1) || keymatch(arg, "verbose", 1)) {
/* Enable debug printouts. */
@@ -240,18 +264,26 @@ parse_switches (j_decompress_ptr cinfo, int argc, char **argv,
static boolean printed_version = FALSE;
if (! printed_version) {
fprintf(stderr, "Independent JPEG Group's DJPEG, version %s\n%s\n",
JVERSION, JCOPYRIGHT);
printed_version = TRUE;
fprintf(stderr, "%s version %s (build %s)\n",
PACKAGE_NAME, VERSION, BUILD);
fprintf(stderr, "%s\n\n", JCOPYRIGHT);
fprintf(stderr, "Emulating The Independent JPEG Group's software, version %s\n\n",
JVERSION);
printed_version = TRUE;
}
cinfo->err->trace_level++;
} else if (keymatch(arg, "version", 4)) {
fprintf(stderr, "%s version %s (build %s)\n",
PACKAGE_NAME, VERSION, BUILD);
exit(EXIT_SUCCESS);
} else if (keymatch(arg, "fast", 1)) {
/* Select recommended processing options for quick-and-dirty output. */
cinfo->two_pass_quantize = FALSE;
cinfo->dither_mode = JDITHER_ORDERED;
if (! cinfo->quantize_colors) /* don't override an earlier -colors */
cinfo->desired_number_of_colors = 216;
cinfo->desired_number_of_colors = 216;
cinfo->dct_method = JDCT_FASTEST;
cinfo->do_fancy_upsampling = FALSE;
@@ -263,23 +295,31 @@ parse_switches (j_decompress_ptr cinfo, int argc, char **argv,
/* Force monochrome output. */
cinfo->out_color_space = JCS_GRAYSCALE;
} else if (keymatch(arg, "rgb", 2)) {
/* Force RGB output. */
cinfo->out_color_space = JCS_RGB;
} else if (keymatch(arg, "rgb565", 2)) {
/* Force RGB565 output. */
cinfo->out_color_space = JCS_RGB565;
} else if (keymatch(arg, "map", 3)) {
/* Quantize to a color map taken from an input file. */
if (++argn >= argc) /* advance to next argument */
usage();
if (for_real) { /* too expensive to do twice! */
#ifdef QUANT_2PASS_SUPPORTED /* otherwise can't quantize to supplied map */
FILE * mapfile;
if (++argn >= argc) /* advance to next argument */
usage();
if (for_real) { /* too expensive to do twice! */
#ifdef QUANT_2PASS_SUPPORTED /* otherwise can't quantize to supplied map */
FILE *mapfile;
if ((mapfile = fopen(argv[argn], READ_BINARY)) == NULL) {
fprintf(stderr, "%s: can't open %s\n", progname, argv[argn]);
exit(EXIT_FAILURE);
}
read_color_map(cinfo, mapfile);
fclose(mapfile);
cinfo->quantize_colors = TRUE;
if ((mapfile = fopen(argv[argn], READ_BINARY)) == NULL) {
fprintf(stderr, "%s: can't open %s\n", progname, argv[argn]);
exit(EXIT_FAILURE);
}
read_color_map(cinfo, mapfile);
fclose(mapfile);
cinfo->quantize_colors = TRUE;
#else
ERREXIT(cinfo, JERR_NOT_COMPILED);
ERREXIT(cinfo, JERR_NOT_COMPILED);
#endif
}
@@ -288,12 +328,12 @@ parse_switches (j_decompress_ptr cinfo, int argc, char **argv,
long lval;
char ch = 'x';
if (++argn >= argc) /* advance to next argument */
usage();
if (++argn >= argc) /* advance to next argument */
usage();
if (sscanf(argv[argn], "%ld%c", &lval, &ch) < 1)
usage();
usage();
if (ch == 'm' || ch == 'M')
lval *= 1000L;
lval *= 1000L;
cinfo->mem->max_memory_to_use = lval * 1000L;
} else if (keymatch(arg, "nosmooth", 3)) {
@@ -310,9 +350,19 @@ parse_switches (j_decompress_ptr cinfo, int argc, char **argv,
} else if (keymatch(arg, "outfile", 4)) {
/* Set output file name. */
if (++argn >= argc) /* advance to next argument */
usage();
outfilename = argv[argn]; /* save it away for later use */
if (++argn >= argc) /* advance to next argument */
usage();
outfilename = argv[argn]; /* save it away for later use */
} else if (keymatch(arg, "memsrc", 2)) {
/* Use in-memory source manager */
#if JPEG_LIB_VERSION >= 80 || defined(MEM_SRCDST_SUPPORTED)
memsrc = TRUE;
#else
fprintf(stderr, "%s: sorry, in-memory source manager was not compiled in\n",
progname);
exit(EXIT_FAILURE);
#endif
} else if (keymatch(arg, "pnm", 1) || keymatch(arg, "ppm", 1)) {
/* PPM/PGM output format. */
@@ -322,24 +372,42 @@ parse_switches (j_decompress_ptr cinfo, int argc, char **argv,
/* RLE output format. */
requested_fmt = FMT_RLE;
} else if (keymatch(arg, "scale", 1)) {
} else if (keymatch(arg, "scale", 2)) {
/* Scale the output image by a fraction M/N. */
if (++argn >= argc) /* advance to next argument */
usage();
if (sscanf(argv[argn], "%d/%d",
&cinfo->scale_num, &cinfo->scale_denom) != 2)
usage();
if (++argn >= argc) /* advance to next argument */
usage();
if (sscanf(argv[argn], "%u/%u",
&cinfo->scale_num, &cinfo->scale_denom) != 2)
usage();
} else if (keymatch(arg, "skip", 2)) {
if (++argn >= argc)
usage();
if (sscanf(argv[argn], "%u,%u", &skip_start, &skip_end) != 2 ||
skip_start > skip_end)
usage();
skip = TRUE;
} else if (keymatch(arg, "crop", 2)) {
char c;
if (++argn >= argc)
usage();
if (sscanf(argv[argn], "%u%c%u+%u+%u", &crop_width, &c, &crop_height,
&crop_x, &crop_y) != 5 ||
(c != 'X' && c != 'x') || crop_width < 1 || crop_height < 1)
usage();
crop = TRUE;
} else if (keymatch(arg, "targa", 1)) {
/* Targa output format. */
requested_fmt = FMT_TARGA;
} else {
usage(); /* bogus switch */
usage(); /* bogus switch */
}
}
return argn; /* return index of next arg (file name) */
return argn; /* return index of next arg (file name) */
}
@@ -354,7 +422,7 @@ LOCAL(unsigned int)
jpeg_getc (j_decompress_ptr cinfo)
/* Read next byte */
{
struct jpeg_source_mgr * datasrc = cinfo->src;
struct jpeg_source_mgr *datasrc = cinfo->src;
if (datasrc->bytes_in_buffer == 0) {
if (! (*datasrc->fill_input_buffer) (cinfo))
@@ -369,20 +437,20 @@ METHODDEF(boolean)
print_text_marker (j_decompress_ptr cinfo)
{
boolean traceit = (cinfo->err->trace_level >= 1);
INT32 length;
long length;
unsigned int ch;
unsigned int lastch = 0;
length = jpeg_getc(cinfo) << 8;
length += jpeg_getc(cinfo);
length -= 2; /* discount the length word itself */
length -= 2; /* discount the length word itself */
if (traceit) {
if (cinfo->unread_marker == JPEG_COM)
fprintf(stderr, "Comment, length %ld:\n", (long) length);
else /* assume it is an APPn otherwise */
else /* assume it is an APPn otherwise */
fprintf(stderr, "APP%d, length %ld:\n",
cinfo->unread_marker - JPEG_APP0, (long) length);
cinfo->unread_marker - JPEG_APP0, (long) length);
}
while (--length >= 0) {
@@ -394,16 +462,16 @@ print_text_marker (j_decompress_ptr cinfo)
* Newlines in CR, CR/LF, or LF form will be printed as one newline.
*/
if (ch == '\r') {
fprintf(stderr, "\n");
fprintf(stderr, "\n");
} else if (ch == '\n') {
if (lastch != '\r')
fprintf(stderr, "\n");
if (lastch != '\r')
fprintf(stderr, "\n");
} else if (ch == '\\') {
fprintf(stderr, "\\\\");
fprintf(stderr, "\\\\");
} else if (isprint(ch)) {
putc(ch, stderr);
putc(ch, stderr);
} else {
fprintf(stderr, "\\%03o", ch);
fprintf(stderr, "\\%03o", ch);
}
lastch = ch;
}
@@ -430,8 +498,10 @@ main (int argc, char **argv)
#endif
int file_index;
djpeg_dest_ptr dest_mgr = NULL;
FILE * input_file;
FILE * output_file;
FILE *input_file;
FILE *output_file;
unsigned char *inbuffer = NULL;
unsigned long insize = 0;
JDIMENSION num_scanlines;
/* On Mac, fetch a command line. */
@@ -441,7 +511,7 @@ main (int argc, char **argv)
progname = argv[0];
if (progname == NULL || progname[0] == 0)
progname = "djpeg"; /* in case C library doesn't provide it */
progname = "djpeg"; /* in case C library doesn't provide it */
/* Initialize the JPEG decompression object with default error handling. */
cinfo.err = jpeg_std_error(&jerr);
@@ -455,16 +525,11 @@ main (int argc, char **argv)
* APP12 is used by some digital camera makers for textual info,
* so we provide the ability to display it as text.
* If you like, additional APPn marker types can be selected for display,
* but don't try to override APP0 or APP14 this way (see libjpeg.doc).
* but don't try to override APP0 or APP14 this way (see libjpeg.txt).
*/
jpeg_set_marker_processor(&cinfo, JPEG_COM, print_text_marker);
jpeg_set_marker_processor(&cinfo, JPEG_APP0+12, print_text_marker);
/* Now safe to enable signal catcher. */
#ifdef NEED_SIGNAL_CATCHER
enable_signal_catcher((j_common_ptr) &cinfo);
#endif
/* Scan command line to find file names. */
/* It is convenient to use just one switch-parsing routine, but the switch
* values read here are ignored; we will rescan the switches after opening
@@ -480,14 +545,14 @@ main (int argc, char **argv)
if (outfilename == NULL) {
if (file_index != argc-2) {
fprintf(stderr, "%s: must name one input and one output file\n",
progname);
progname);
usage();
}
outfilename = argv[file_index+1];
} else {
if (file_index != argc-1) {
fprintf(stderr, "%s: must name one input and one output file\n",
progname);
progname);
usage();
}
}
@@ -526,7 +591,30 @@ main (int argc, char **argv)
#endif
/* Specify data source for decompression */
jpeg_stdio_src(&cinfo, input_file);
#if JPEG_LIB_VERSION >= 80 || defined(MEM_SRCDST_SUPPORTED)
if (memsrc) {
size_t nbytes;
do {
inbuffer = (unsigned char *)realloc(inbuffer, insize + INPUT_BUF_SIZE);
if (inbuffer == NULL) {
fprintf(stderr, "%s: memory allocation failure\n", progname);
exit(EXIT_FAILURE);
}
nbytes = JFREAD(input_file, &inbuffer[insize], INPUT_BUF_SIZE);
if (nbytes < INPUT_BUF_SIZE && ferror(input_file)) {
if (file_index < argc)
fprintf(stderr, "%s: can't read from %s\n", progname,
argv[file_index]);
else
fprintf(stderr, "%s: can't read from stdin\n", progname);
}
insize += (unsigned long)nbytes;
} while (nbytes == INPUT_BUF_SIZE);
fprintf(stderr, "Compressed size: %lu bytes\n", insize);
jpeg_mem_src(&cinfo, inbuffer, insize);
} else
#endif
jpeg_stdio_src(&cinfo, input_file);
/* Read file header, set default decompression parameters */
(void) jpeg_read_header(&cinfo, TRUE);
@@ -575,14 +663,89 @@ main (int argc, char **argv)
/* Start decompressor */
(void) jpeg_start_decompress(&cinfo);
/* Write output file header */
(*dest_mgr->start_output) (&cinfo, dest_mgr);
/* Skip rows */
if (skip) {
JDIMENSION tmp;
/* Process data */
while (cinfo.output_scanline < cinfo.output_height) {
num_scanlines = jpeg_read_scanlines(&cinfo, dest_mgr->buffer,
dest_mgr->buffer_height);
(*dest_mgr->put_pixel_rows) (&cinfo, dest_mgr, num_scanlines);
/* Check for valid skip_end. We cannot check this value until after
* jpeg_start_decompress() is called. Note that we have already verified
* that skip_start <= skip_end.
*/
if (skip_end > cinfo.output_height - 1) {
fprintf(stderr, "%s: skip region exceeds image height %d\n", progname,
cinfo.output_height);
exit(EXIT_FAILURE);
}
/* Write output file header. This is a hack to ensure that the destination
* manager creates an output image of the proper size.
*/
tmp = cinfo.output_height;
cinfo.output_height -= (skip_end - skip_start + 1);
(*dest_mgr->start_output) (&cinfo, dest_mgr);
cinfo.output_height = tmp;
/* Process data */
while (cinfo.output_scanline < skip_start) {
num_scanlines = jpeg_read_scanlines(&cinfo, dest_mgr->buffer,
dest_mgr->buffer_height);
(*dest_mgr->put_pixel_rows) (&cinfo, dest_mgr, num_scanlines);
}
jpeg_skip_scanlines(&cinfo, skip_end - skip_start + 1);
while (cinfo.output_scanline < cinfo.output_height) {
num_scanlines = jpeg_read_scanlines(&cinfo, dest_mgr->buffer,
dest_mgr->buffer_height);
(*dest_mgr->put_pixel_rows) (&cinfo, dest_mgr, num_scanlines);
}
/* Decompress a subregion */
} else if (crop) {
JDIMENSION tmp;
/* Check for valid crop dimensions. We cannot check these values until
* after jpeg_start_decompress() is called.
*/
if (crop_x + crop_width > cinfo.output_width ||
crop_y + crop_height > cinfo.output_height) {
fprintf(stderr, "%s: crop dimensions exceed image dimensions %d x %d\n",
progname, cinfo.output_width, cinfo.output_height);
exit(EXIT_FAILURE);
}
jpeg_crop_scanline(&cinfo, &crop_x, &crop_width);
if (dest_mgr->calc_buffer_dimensions)
(*dest_mgr->calc_buffer_dimensions) (&cinfo, dest_mgr);
else
ERREXIT(&cinfo, JERR_UNSUPPORTED_FORMAT);
/* Write output file header. This is a hack to ensure that the destination
* manager creates an output image of the proper size.
*/
tmp = cinfo.output_height;
cinfo.output_height = crop_height;
(*dest_mgr->start_output) (&cinfo, dest_mgr);
cinfo.output_height = tmp;
/* Process data */
jpeg_skip_scanlines(&cinfo, crop_y);
while (cinfo.output_scanline < crop_y + crop_height) {
num_scanlines = jpeg_read_scanlines(&cinfo, dest_mgr->buffer,
dest_mgr->buffer_height);
(*dest_mgr->put_pixel_rows) (&cinfo, dest_mgr, num_scanlines);
}
jpeg_skip_scanlines(&cinfo, cinfo.output_height - crop_y - crop_height);
/* Normal full-image decompress */
} else {
/* Write output file header */
(*dest_mgr->start_output) (&cinfo, dest_mgr);
/* Process data */
while (cinfo.output_scanline < cinfo.output_height) {
num_scanlines = jpeg_read_scanlines(&cinfo, dest_mgr->buffer,
dest_mgr->buffer_height);
(*dest_mgr->put_pixel_rows) (&cinfo, dest_mgr, num_scanlines);
}
}
#ifdef PROGRESS_REPORT
@@ -610,7 +773,10 @@ main (int argc, char **argv)
end_progress_monitor((j_common_ptr) &cinfo);
#endif
if (memsrc && inbuffer != NULL)
free(inbuffer);
/* All done. */
exit(jerr.num_warnings ? EXIT_WARNING : EXIT_SUCCESS);
return 0; /* suppress no-return-value warnings */
return 0; /* suppress no-return-value warnings */
}

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<div class="textblock">Here is a list of all documented struct and union fields with links to the struct/union documentation for each field:</div><ul>
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margin-top: 10px;
}

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