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

BUILDING.txt

@@ -1,5 +1,5 @@
 *******************************************************************************
-**     Building on Unix Platforms (including Cygwin)
+**     Building on Un*x Platforms (including Cygwin and OS X)
 *******************************************************************************
 
 
@@ -10,25 +10,52 @@ 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/).
 
--- 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 (if building x86 or x86-64 SIMD extensions)
+   * 0.98, or 2.01 or later is required for a 32-bit build
+   * NASM 2.00 or later is required for a 64-bit build
    * NASM 2.07 or later is required for a 64-bit build on OS X.  This can be
      obtained from MacPorts (http://www.macports.org/).
 
-   The NASM 2.05 RPMs do not work on older Linux systems, such as Red Hat
-   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:
+   The binary RPMs released by the NASM project do not work on older Linux
+   systems, such as Red Hat Enterprise Linux 4.  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`
-     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
+     rpmbuild --rebuild nasm-{version}.src.rpm
+     rpm -Uvh /usr/src/redhat/RPMS/$ARCH/nasm-{version}.$ARCH.rpm
 
-   NOTE: NASM build will fail if texinfo is not installed.
+   NOTE: the NASM build will fail if texinfo is not installed.
 
 -- GCC v4.1 or later recommended for best performance
+   * Beginning with Xcode 4, Apple stopped distributing GCC and switched to
+     the LLVM compiler.  Xcode v4.0 through v4.6 provides a GCC front end
+     called LLVM-GCC.  Unfortunately, as of this writing, neither LLVM-GCC nor
+     the LLVM (clang) compiler produces optimal performance with libjpeg-turbo.
+     Building libjpeg-turbo with LLVM-GCC v4.2 results in a 10% performance
+     degradation when compressing using 64-bit code, relative to building
+     libjpeg-turbo with GCC v4.2.  Building libjpeg-turbo with LLVM (clang)
+     results in a 20% performance degradation when compressing using 64-bit
+     code, relative to building libjpeg-turbo with GCC v4.2.  If you are
+     running Snow Leopard or earlier, it is suggested that you continue to use
+     Xcode v3.2.6, which provides GCC v4.2.  If you are using Lion or later, it
+     is suggested that you install Apple GCC v4.2 through MacPorts.
+
+-- If building the TurboJPEG Java wrapper, JDK or OpenJDK 1.5 or later is
+   required.  Some systems, such as Solaris 10 and later and Red Hat Enterprise
+   Linux 5 and later, have this pre-installed.  On OS X 10.5 and later, it will
+   be necessary to install the Java Developer Package, which can be downloaded
+   from http://developer.apple.com/downloads (Apple ID required.)  For systems
+   that do not have a JDK installed, you can obtain the Oracle Java Development
+   Kit from http://www.java.com.
 
 
 ==================
@@ -49,9 +76,9 @@ directory.  For in-tree builds, these directories are the same.
 Building libjpeg-turbo
 ======================
 
-The following procedure will build libjpeg-turbo on Linux, FreeBSD, 32-bit
-OS X, Cygwin, and Solaris/x86 systems (on Solaris, this generates a 32-bit
-library.  See below for 64-bit build instructions.)
+The following procedure will build libjpeg-turbo on Linux, FreeBSD, Cygwin, and
+Solaris/x86 systems (on Solaris, this generates a 32-bit library.  See below
+for 64-bit build instructions.)
 
   cd {source_directory}
   autoreconf -fiv
@@ -59,50 +86,64 @@ library.  See below for 64-bit build instructions.)
   sh {source_directory}/configure [additional configure flags]
   make
 
-NOTE: Running autoreconf in the source directory is only necessary if building
-libjpeg-turbo from the SVN repository.
+NOTE: Running autoreconf in the source directory is usually 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
+      Static link library for the libjpeg API
 
-  libjpeg.so.{version} (Linux, Solaris)
+  libjpeg.so.{version} (Linux, Unix)
   libjpeg.{version}.dylib (OS X)
   cygjpeg-{version}.dll (Cygwin)
-      Shared library for libjpeg-turbo
+      Shared library for the libjpeg API
 
-  libjpeg.so (Linux, Solaris)
+  By default, {version} is 62.1.0, 7.1.0, or 8.0.2, 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)
   libjpeg.dylib (OS X)
+      Development symlink for the libjpeg API
+
   libjpeg.dll.a (Cygwin)
-      Development stub for libjpeg-turbo shared library
+      Import library for the libjpeg API
 
   libturbojpeg.a
-      Static link library for TurboJPEG/OSS
+      Static link library for the TurboJPEG API
 
-  libturbojpeg.so (Linux, Solaris)
+  libturbojpeg.so.0.1.0 (Linux, Unix)
+  libturbojpeg.0.1.0.dylib (OS X)
+  cygturbojpeg-0.dll (Cygwin)
+      Shared library for the TurboJPEG API
+
+  libturbojpeg.so (Linux, Unix)
   libturbojpeg.dylib (OS X)
-      Shared library and development stub for TurboJPEG/OSS
-
-  cygturbojpeg.dll (Cygwin)
-      Shared library for TurboJPEG/OSS
+      Development symlink for the TurboJPEG API
 
   libturbojpeg.dll.a (Cygwin)
-      Development stub for TurboJPEG/OSS shared library
-
-{version} is 62.0.0, 7.0.0, or 8.0.2, depending on whether libjpeg v6b
-(default), v7, or v8 emulation is enabled.  If using Cygwin, {version} is
-62, 7, or 8.
+      Import library for the TurboJPEG API
 
 
-libjpeg v7 or v8 Emulation
---------------------------
+libjpeg v7 or v8 API/ABI Emulation
+----------------------------------
 
 Add --with-jpeg7 to the configure command line to build a version of
-libjpeg-turbo that is compatible with libjpeg v7.  Add --with-jpeg8 to the
-configure command to build a version of libjpeg-turbo that is compatible with
-libjpeg v8.  See README-turbo.txt for more information on libjpeg v7 and v8
-emulation.
+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-turbo.txt for more information
+on 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-turbo.txt for more information.
 
 
 Arithmetic Coding Support
@@ -117,6 +158,21 @@ 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 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 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 front-end 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.
+
+
 ========================
 Installing libjpeg-turbo
 ========================
@@ -133,7 +189,8 @@ For example,
 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.
+files in /opt/libjpeg-turbo/lib32 (32-bit) or /opt/libjpeg-turbo/lib64
+(64-bit.)
 
 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,
@@ -149,8 +206,8 @@ Build Recipes
 =============
 
 
-32-bit Library Build on 64-bit Linux
-------------------------------------
+32-bit Build on 64-bit Linux
+----------------------------
 
 Add
 
@@ -159,8 +216,8 @@ Add
 to the configure command line.
 
 
-64-bit Library Build on 64-bit OS X
------------------------------------
+64-bit Build on 64-bit OS X
+---------------------------
 
 Add
 
@@ -170,42 +227,43 @@ to the configure command line.  NASM 2.07 or later from MacPorts must be
 installed.
 
 
-32-bit Library Build on 64-bit OS X
------------------------------------
+32-bit Build on 64-bit OS X
+---------------------------
 
 Add
 
-  CFLAGS='-O3 -m32' LDFLAGS=-m32
+  --host i686-apple-darwin CFLAGS='-O3 -m32' LDFLAGS=-m32
 
 to the configure command line.
 
 
-64-bit Backward-Compatible Library Build on 64-bit OS X
--------------------------------------------------------
+64-bit Backward-Compatible Build on 64-bit OS X
+-----------------------------------------------
 
 Add
 
   --host x86_64-apple-darwin NASM=/opt/local/bin/nasm \
-  CFLAGS='-isysroot /Developer/SDKs/MacOSX10.4u.sdk \
-    -mmacosx-version-min=10.4 -O3' \
-    LDFLAGS='-isysroot /Developer/SDKs/MacOSX10.4u.sdk \
-    -mmacosx-version-min=10.4'
+  CFLAGS='-isysroot /Developer/SDKs/MacOSX10.5.sdk \
+    -mmacosx-version-min=10.5 -O3' \
+    LDFLAGS='-isysroot /Developer/SDKs/MacOSX10.5.sdk \
+    -mmacosx-version-min=10.5'
 
-to the configure command line.  The OS X 10.4 SDK, and NASM 2.07 or later from
+to the configure command line.  The OS X 10.5 SDK, and NASM 2.07 or later from
 MacPorts, must be installed.
 
 
-32-bit Backward-Compatible Library Build on OS X
-------------------------------------------------
+32-bit Backward-Compatible Build on OS X
+----------------------------------------
 
 Add
 
-  CFLAGS='-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'
+  --host i686-apple-darwin \
+    CFLAGS='-isysroot /Developer/SDKs/MacOSX10.5.sdk \
+    -mmacosx-version-min=10.5 -O3 -m32' \
+    LDFLAGS='-isysroot /Developer/SDKs/MacOSX10.5.sdk \
+    -mmacosx-version-min=10.5 -m32'
 
-to the configure command line.  The OS X 10.4 SDK must be installed.
+to the configure command line.  The OS X 10.5 SDK must be installed.
 
 
 64-bit Library Build on 64-bit Solaris
@@ -218,8 +276,8 @@ Add
 to the configure command line.
 
 
-32-bit Library Build on 64-bit FreeBSD
---------------------------------------
+32-bit Build on 64-bit FreeBSD
+------------------------------
 
 Add
 
@@ -230,8 +288,8 @@ to the configure command line.  NASM 2.07 or later from FreeBSD ports must be
 installed.
 
 
-Sun Studio
-----------
+Oracle Solaris Studio
+---------------------
 
 Add
 
@@ -240,7 +298,7 @@ Add
 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 Sun Studio, add
+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
 
@@ -253,6 +311,162 @@ MinGW Build on Cygwin
 Use CMake (see recipes below)
 
 
+===========
+ARM Support
+===========
+
+This release of libjpeg-turbo can use ARM NEON SIMD instructions to accelerate
+JPEG compression/decompression by approximately 2-4x on ARMv7 and later
+platforms.  If libjpeg-turbo is configured on an ARM Linux platform, then the
+build system will automatically include the NEON SIMD routines, if they are
+supported.  Build instructions for other ARM-based platforms follow.
+
+
+Building libjpeg-turbo for iOS
+------------------------------
+
+iOS platforms, such as the iPhone and iPad, use ARM processors, some of which
+support NEON instructions.  Additional steps are required in order to build
+libjpeg-turbo for these platforms.
+
+Additional build requirements:
+
+  gas-preprocessor.pl
+  (https://sourceforge.net/p/libjpeg-turbo/code/HEAD/tree/gas-preprocessor)
+  should be installed in your PATH.
+
+
+ARM 32-bit Build (Xcode 4.6.x and earlier, LLVM-GCC):
+
+Set the following shell variables for simplicity:
+
+  Xcode 4.2 and earlier:
+  IOS_PLATFORMDIR=/Developer/Platforms/iPhoneOS.platform
+  Xcode 4.3 and later:
+  IOS_PLATFORMDIR=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform
+
+  IOS_SYSROOT=$IOS_PLATFORMDIR/Developer/SDKs/iPhoneOS*.sdk
+  IOS_GCC=$IOS_PLATFORMDIR/Developer/usr/bin/arm-apple-darwin10-llvm-gcc-4.2
+
+  ARMv6 (code will run on all iOS devices, not SIMD-accelerated):
+  [NOTE: Requires Xcode 4.4.x or earlier]
+  IOS_CFLAGS="-march=armv6 -mcpu=arm1176jzf-s -mfpu=vfp"
+
+  ARMv7 (code will run on iPhone 3GS-4S/iPad 1st-3rd Generation and newer):
+  IOS_CFLAGS="-march=armv7 -mcpu=cortex-a8 -mtune=cortex-a8 -mfpu=neon"
+
+  ARMv7s (code will run on iPhone 5/iPad 4th Generation and newer):
+  [NOTE: Requires Xcode 4.5 or later]
+  IOS_CFLAGS="-march=armv7s -mcpu=swift -mtune=swift -mfpu=neon"
+
+Follow the procedure under "Building libjpeg-turbo" above, adding
+
+  --host arm-apple-darwin10 \
+    CC="$IOS_GCC" LD="$IOS_GCC" \
+    CFLAGS="-mfloat-abi=softfp -isysroot $IOS_SYSROOT -O3 $IOS_CFLAGS" \
+    LDFLAGS="-mfloat-abi=softfp -isysroot $IOS_SYSROOT $IOS_CFLAGS"
+
+to the configure command line.
+
+
+ARM 32-bit Build (Xcode 5.0.x and later, Clang):
+
+Set the following shell variables for simplicity:
+
+  IOS_PLATFORMDIR=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform
+  IOS_SYSROOT=$IOS_PLATFORMDIR/Developer/SDKs/iPhoneOS*.sdk
+  IOS_GCC=/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang
+
+  ARMv7 (code will run on iPhone 3GS-4S/iPad 1st-3rd Generation and newer):
+  IOS_CFLAGS="-arch armv7"
+
+  ARMv7s (code will run on iPhone 5/iPad 4th Generation and newer):
+  IOS_CFLAGS="-arch armv7s"
+
+Follow the procedure under "Building libjpeg-turbo" above, adding
+
+  --host arm-apple-darwin10 \
+    CC="$IOS_GCC" LD="$IOS_GCC" \
+    CFLAGS="-mfloat-abi=softfp -isysroot $IOS_SYSROOT -O3 $IOS_CFLAGS" \
+    LDFLAGS="-mfloat-abi=softfp -isysroot $IOS_SYSROOT $IOS_CFLAGS" \
+    CCASFLAGS="-no-integrated-as $IOS_CFLAGS"
+
+to the configure command line.
+
+
+ARMv8 64-bit Build (Xcode 5.0.x and later, Clang):
+
+Code will run on iPhone 5S/iPad Mini 2/iPad Air and newer.
+
+Set the following shell variables for simplicity:
+
+  IOS_PLATFORMDIR=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform
+  IOS_SYSROOT=$IOS_PLATFORMDIR/Developer/SDKs/iPhoneOS*.sdk
+  IOS_GCC=/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang
+  IOS_CFLAGS="-arch arm64"
+
+Follow the procedure under "Building libjpeg-turbo" above, adding
+
+  --host aarch64-apple-darwin \
+    CC="$IOS_GCC" LD="$IOS_GCC" \
+    CFLAGS="-isysroot $IOS_SYSROOT -O3 $IOS_CFLAGS" \
+    LDFLAGS="-isysroot $IOS_SYSROOT $IOS_CFLAGS"
+
+to the configure command line.
+
+
+NOTE:  You can also add -miphoneos-version-min={version} to $IOS_CFLAGS above
+in order to support older versions of iOS than the default version supported by
+the SDK.
+
+Once built, lipo can be used to combine the ARMv6, v7, v7s, and/or v8 variants
+into a universal library.
+
+NOTE: If you are building libjpeg-turbo from the "official" project tarball,
+then it is highly likely that you will need to run 'autoreconf -fiv' in the
+source tree prior to building ARMv7, v7s, or v8 iOS binaries using the
+techniques described above.  Otherwise, you may get a libtool error such as
+"unable to infer tagged configuration."
+
+
+Building libjpeg-turbo for Android
+----------------------------------
+
+Building libjpeg-turbo for Android platforms requires the Android NDK
+(https://developer.android.com/tools/sdk/ndk) and autotools.  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/ndk}
+  BUILD_PLATFORM={the platform name for the NDK package you installed--
+    for example, "windows-x86" or "linux-x86_64"}
+  TOOLCHAIN_VERSION={"4.6", "4.8", etc.  This corresponds to a toolchain
+    directory under ${NDK_PATH}/toolchains/.}
+  ANDROID_VERSION={The minimum version of Android to support-- for example,
+    "9", "19", etc.}
+
+  HOST=arm-linux-androideabi
+  TOOLCHAIN=${NDK_PATH}/toolchains/${HOST}-${TOOLCHAIN_VERSION}/prebuilt/${BUILD_PLATFORM}
+  SYSROOT=${NDK_PATH}/platforms/android-${ANDROID_VERSION}/arch-arm
+  ANDROID_INCLUDES="-I${SYSROOT}/usr/include -I${TOOLCHAIN}/include"
+  ANDROID_CFLAGS="-march=armv7-a -mfloat-abi=softfp -fprefetch-loop-arrays \
+    -fstrict-aliasing --sysroot=${SYSROOT}"
+  export CPP=${TOOLCHAIN}/bin/${HOST}-cpp
+  export AR=${TOOLCHAIN}/bin/${HOST}-ar
+  export AS=${TOOLCHAIN}/bin/${HOST}-as
+  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_INCLUDES} ${ANDROID_CFLAGS} -O3" \
+    CPPFLAGS="${ANDROID_INCLUDES} ${ANDROID_CFLAGS}" \
+    LDFLAGS="${ANDROID_CFLAGS}" --with-simd ${1+"$@"}
+  make
+
 
 *******************************************************************************
 **     Building on Windows (Visual C++ or MinGW)
@@ -263,7 +477,7 @@ Use CMake (see recipes below)
 Build Requirements
 ==================
 
--- CMake (http://www.cmake.org) v2.6 or later
+-- CMake (http://www.cmake.org) v2.8.8 or later
 
 -- Microsoft Visual C++ 2005 or later
 
@@ -275,8 +489,9 @@ Build Requirements
    The Windows SDK includes both 32-bit and 64-bit Visual C++ compilers and
    everything necessary to build libjpeg-turbo.
 
-   * For 32-bit builds, you can also use Microsoft Visual C++ Express
-     Edition.  Visual C++ Express Edition is a free download.
+   * You can also use Microsoft Visual Studio Express 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
@@ -290,11 +505,18 @@ Build Requirements
 
 -- MinGW
 
-   GCC v4.1 or later recommended for best performance
+   MinGW-builds (http://sourceforge.net/projects/mingwbuilds/) 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.
 
 -- NASM (http://www.nasm.us/) 0.98 or later (NASM 2.05 or later is required for
    a 64-bit build)
 
+-- 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
@@ -328,17 +550,17 @@ on which version of cl.exe is in the PATH.
 The following files will be generated under {build_directory}:
 
   jpeg-static.lib
-      Static link library for libjpeg-turbo
+      Static link library for the libjpeg API
   sharedlib/jpeg{version}.dll
-      DLL for libjpeg-turbo
+      DLL for the libjpeg API
   sharedlib/jpeg.lib
-      Import library for libjpeg-turbo DLL
+      Import library for the libjpeg API
   turbojpeg-static.lib
-      Static link library for TurboJPEG/OSS
+      Static link library for the TurboJPEG API
   turbojpeg.dll
-      DLL for TurboJPEG/OSS
+      DLL for the TurboJPEG API
   turbojpeg.lib
-      Import library for TurboJPEG/OSS DLL
+      Import library for the TurboJPEG API
 
 {version} is 62, 7, or 8, depending on whether libjpeg v6b (default), v7, or
 v8 emulation is enabled.
@@ -352,7 +574,12 @@ Choose the appropriate CMake generator option for your version of Visual Studio
 instance:
 
   cd {build_directory}
-  cmake -G "Visual Studio 9 2008" {source_directory}
+  cmake -G "Visual Studio 10" {source_directory}
+
+NOTE:  Add "Win64" to the generator name (for example, "Visual Studio 10
+Win64") to build a 64-bit version of libjpeg-turbo.  Recent versions of CMake
+no longer document that.  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
@@ -361,17 +588,17 @@ build of libjpeg-turbo.
 This will generate the following files under {build_directory}:
 
   {configuration}/jpeg-static.lib
-      Static link library for libjpeg-turbo
+      Static link library for the libjpeg API
   sharedlib/{configuration}/jpeg{version}.dll
-      DLL for libjpeg-turbo
+      DLL for the libjpeg API
   sharedlib/{configuration}/jpeg.lib
-      Import library for libjpeg-turbo DLL
+      Import library for the libjpeg API
   {configuration}/turbojpeg-static.lib
-      Static link library for TurboJPEG/OSS
+      Static link library for the TurboJPEG API
   {configuration}/turbojpeg.dll
-      DLL for TurboJPEG/OSS
+      DLL for the TurboJPEG API
   {configuration}/turbojpeg.lib
-      Import library for TurboJPEG/OSS DLL
+      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,
@@ -381,24 +608,27 @@ depending on whether libjpeg v6b (default), v7, or v8 emulation is enabled.
 MinGW
 -----
 
+NOTE: This assumes that you are building on a Windows machine.  If you are
+cross-compiling on a Linux/Unix machine, then see "Build Recipes" below.
+
   cd {build_directory}
-  cmake -G "MSYS Makefiles" {source_directory}
-  make
+  cmake -G "MinGW Makefiles" {source_directory}
+  mingw32-make
 
 This will generate the following files under {build_directory}
 
   libjpeg.a
-      Static link library for libjpeg-turbo
+      Static link library for the libjpeg API
   sharedlib/libjpeg-{version}.dll
-      DLL for libjpeg-turbo
+      DLL for the libjpeg API
   sharedlib/libjpeg.dll.a
-      Import library for libjpeg-turbo DLL
+      Import library for the libjpeg API
   libturbojpeg.a
-      Static link library for TurboJPEG/OSS
+      Static link library for the TurboJPEG API
   libturbojpeg.dll
-      DLL for TurboJPEG/OSS
+      DLL for the TurboJPEG API
   libturbojpeg.dll.a
-      Import library for TurboJPEG/OSS DLL
+      Import library for the TurboJPEG API
 
 {version} is 62, 7, or 8, depending on whether libjpeg v6b (default), v7, or
 v8 emulation is enabled.
@@ -412,14 +642,24 @@ NMake, remove "-DCMAKE_BUILD_TYPE=Release" (Debug builds are the default with
 NMake.)
 
 
-libjpeg v7 or v8 Emulation
---------------------------
+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 compatible with libjpeg v7.  Add "-DWITH_JPEG8=1" to the
-cmake command to build a version of libjpeg-turbo that is compatible with
-libjpeg v8.  See README-turbo.txt for more information on libjpeg v7 and v8
-emulation.
+libjpeg-turbo that is API/ABI-compatible with libjpeg v7.  Add "-DWITH_JPEG8=1"
+to the cmake command to build a version of libjpeg-turbo that is
+API/ABI-compatible with libjpeg v8.  See README-turbo.txt for more information
+on 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-turbo.txt for more information.
 
 
 Arithmetic Coding Support
@@ -434,6 +674,21 @@ 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 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 for more details.
+
+If you are using CMake 2.8, you can set the Java_JAVAC_EXECUTABLE,
+Java_JAVA_EXECUTABLE, and Java_JAR_EXECUTABLE CMake variables to specify
+alternate commands or locations for javac, jar, and java (respectively.)  If
+you are using CMake 2.6, set JAVA_COMPILE, JAVA_RUNTIME, and JAVA_ARCHIVE
+instead.  You can also set the JAVACFLAGS CMake variable to specify arguments
+that should be passed to the Java compiler when building the front-end classes.
+
+
 ========================
 Installing libjpeg-turbo
 ========================
@@ -467,8 +722,8 @@ Build Recipes
   cd {build_directory}
   CC=/usr/bin/x86_64-w64-mingw32-gcc \
     cmake -G "Unix Makefiles" -DCMAKE_SYSTEM_NAME=Windows \
-    -DCMAKE_AR=/usr/bin/x86_64-w64-mingw32-ar \
-    -DCMAKE_RANLIB=/usr/bin/x86_64-w64-mingw32-ranlib {source_directory}
+    -DCMAKE_RC_COMPILER=/usr/bin/x86_64-w64-mingw32-windres.exe \
+    {source_directory}
   make
 
 This produces a 64-bit build of libjpeg-turbo that does not depend on
@@ -482,8 +737,8 @@ mingw64-x86_64-gcc-g++ packages (and their dependencies) must be installed.
   cd {build_directory}
   CC=/usr/bin/i686-w64-mingw32-gcc \
     cmake -G "Unix Makefiles" -DCMAKE_SYSTEM_NAME=Windows \
-    -DDCMAKE_AR=/usr/bin/i686-w64-mingw32-ar \
-    -DCMAKE_RANLIB=/usr/bin/i686-w64-mingw32-ranlib {source_directory}
+    -DCMAKE_RC_COMPILER=/usr/bin/i686-w64-mingw32-windres.exe \
+    {source_directory}
   make
 
 This produces a 32-bit build of libjpeg-turbo that does not depend on
@@ -491,21 +746,6 @@ cygwin1.dll or other Cygwin DLL's.  The mingw64-i686-gcc-core and
 mingw64-i686-gcc-g++ packages (and their dependencies) must be installed.
 
 
-MinGW-w64 Build on Windows
---------------------------
-
-This produces a 64-bit build of libjpeg-turbo using the "native" MinGW-w64
-toolchain (which is faster than the Cygwin version):
-
-  cd {build_directory}
-  CC={mingw-w64_binary_path}/x86_64-w64-mingw32-gcc \
-    cmake -G "MSYS Makefiles" \
-    -DCMAKE_AR={mingw-w64_binary_path}/x86_64-w64-mingw32-ar \
-    -DCMAKE_RANLIB={mingw-w64_binary_path}/x86_64-w64-mingw32-ranlib \
-    {source_directory}
-  make
-
-
 MinGW Build on Linux
 --------------------
 
@@ -525,8 +765,8 @@ MinGW Build on Linux
 The following commands can be used to create various types of release packages:
 
 
-Unix
-----
+Unix/Linux
+----------
 
 make rpm
 
@@ -543,33 +783,50 @@ make deb
 
 make dmg
 
-  Create Macintosh package/disk image.  This requires the PackageMaker
-  application, which must be installed in /Developer/Applications/Utilities.
+  Create Macintosh 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 version of the Macintosh package and
-  disk image which 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 sunpkg
-
-  Build a Solaris package.  This requires pkgmk, pkgtrans, and bzip2.
-
-make csunpkg [BUILDDIR32={32-bit build directory}]
-
-  On 64-bit Solaris systems, this creates a combined package which contains
-  both 32-bit and 64-bit libraries.  You should first configure a 32-bit
+  On 64-bit OS X systems, this creates a Macintosh package and 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 csunpkg' from the 64-bit build directory.  The build
-  system will look for the 32-bit build under {source_directory}/solx86 by
+  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}] \
+  [BUILDDIRARMV6={ARMv6 build directory}] \
+  [BUILDDIRARMV7={ARMv7 build directory}] \
+  [BUILDDIRARMV7S={ARMv7s build directory}] \
+  [BUILDDIRARMV8={ARMv8 build directory}]
+
+  On OS X systems, this creates a Macintosh package and disk image in which the
+  libjpeg-turbo static 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 ARMv6, 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 ARMv6 build under
+  {source_directory}/iosarmv6 by default, 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, BUILDDIRARMV6, 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.
@@ -598,3 +855,30 @@ configuration you built (such as {build_directory}\Debug\ or
 
 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' on
+Unix/Linux platforms or 'ctest' on Windows platforms, 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' or 'nmake testclean' (if using NMake) or building
+the 'testclean' target (if using the Visual Studio IDE) will clean up the
+output images generated by 'make test'.
+
+On Unix/Linux 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 (this includes 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.

CMakeLists.txt

@@ -2,22 +2,34 @@
 # Setup
 #
 
-cmake_minimum_required(VERSION 2.6)
+cmake_minimum_required(VERSION 2.8.8)
+# Use LINK_INTERFACE_LIBRARIES instead of INTERFACE_LINK_LIBRARIES
+if(POLICY CMP0022)
+  cmake_policy(SET CMP0022 OLD)
+endif()
 
 project(libjpeg-turbo C)
-set(VERSION 1.1.0)
+set(VERSION 1.4.1)
 
-if(MINGW OR CYGWIN)
+if(CYGWIN OR NOT CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows")
   execute_process(COMMAND "date" "+%Y%m%d" OUTPUT_VARIABLE BUILD)
   string(REGEX REPLACE "\n" "" BUILD ${BUILD})
 elseif(WIN32)
-  execute_process(COMMAND "${CMAKE_SOURCE_DIR}/cmakescripts/getdate.bat"
-    OUTPUT_VARIABLE BUILD)
-  string(REGEX REPLACE "\n" "" BUILD ${BUILD})
+  execute_process(COMMAND "wmic.exe" "os" "get" "LocalDateTime" OUTPUT_VARIABLE
+    BUILD)
+  string(REGEX REPLACE "[^0-9]" "" BUILD "${BUILD}")
+  if (BUILD STREQUAL "")
+    execute_process(COMMAND "cmd.exe" "/C" "DATE" "/T" OUTPUT_VARIABLE BUILD)
+    string(REGEX REPLACE ".*[ ]([0-9]*)[/.]([0-9]*)[/.]([0-9]*).*" "\\3\\2\\1" BUILD "${BUILD}")
+  else()
+    string(SUBSTRING "${BUILD}" 0 8 BUILD)
+  endif()
 else()
   message(FATAL_ERROR "Platform not supported by this build system.  Use autotools instead.")
 endif()
 
+# 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()
@@ -25,23 +37,34 @@ 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 the MSVC IDE.
+# 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}")
 
-if(NOT DEFINED WITH_SIMD)
-  set(WITH_SIMD 1)
-endif()
+option(WITH_SIMD "Include SIMD extensions" TRUE)
+option(WITH_ARITH_ENC "Include arithmetic encoding support" TRUE)
+option(WITH_ARITH_DEC "Include arithmetic decoding support" 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(NOT DEFINED WITH_ARITH_ENC)
-  set(WITH_ARITH_ENC 1)
-endif()
-
-if(NOT DEFINED WITH_ARITH_DEC)
-  set(WITH_ARITH_DEC 1)
+if(WITH_12BIT)
+  set(WITH_SIMD FALSE)
+  set(WITH_TURBOJPEG 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_ARITH_ENC)
@@ -58,9 +81,26 @@ 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}.0.0)
+set(FULLVERSION ${DLL_VERSION}.${SO_AGE}.0)
 if(WITH_JPEG8)
   set(JPEG_LIB_VERSION 80)
   set(DLL_VERSION 8)
@@ -69,11 +109,22 @@ if(WITH_JPEG8)
 elseif(WITH_JPEG7)
   set(JPEG_LIB_VERSION 70)
   set(DLL_VERSION 7)
-  set(FULLVERSION ${DLL_VERSION}.0.0)
+  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)
@@ -81,7 +132,7 @@ if(MSVC)
         string(REGEX REPLACE "/MD" "/MT" ${var} "${${var}}")
       endif()
     endforeach()
-
+  endif()
   add_definitions(-W3 -wd4996)
 endif()
 
@@ -100,11 +151,35 @@ 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/config.h.in config.h)
+configure_file(win/jconfigint.h.in jconfigint.h)
 
 include_directories(${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_SOURCE_DIR})
 
+if(WITH_JAVA)
+  find_package(Java)
+  find_package(JNI)
+  if(DEFINED JAVACFLAGS)
+    message(STATUS "Java compiler flags = ${JAVACFLAGS}")
+  endif()
+endif()
+
 
 #
 # Targets
@@ -145,8 +220,16 @@ else()
   message(STATUS "Not using SIMD acceleration")
 endif()
 
-add_subdirectory(sharedlib)
+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)
@@ -154,14 +237,37 @@ endif()
   if(WITH_SIMD)
     add_dependencies(jpeg-static simd)
   endif()
+endif()
 
-add_library(turbojpeg SHARED turbojpegl.c)
+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}
-  turbojpegl.c)
+      turbojpeg.c transupp.c jdatadst-tj.c jdatasrc-tj.c)
     if(NOT MSVC)
       set_target_properties(turbojpeg-static PROPERTIES OUTPUT_NAME turbojpeg)
     endif()
@@ -169,178 +275,582 @@ if(WITH_SIMD)
       add_dependencies(turbojpeg-static simd)
     endif()
 
-add_executable(jpegut jpegut.c)
-target_link_libraries(jpegut turbojpeg)
+    add_executable(tjunittest-static tjunittest.c tjutil.c)
+    target_link_libraries(tjunittest-static turbojpeg-static)
 
-add_executable(jpegut-static jpegut.c)
-target_link_libraries(jpegut-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()
 
-add_executable(jpgtest jpgtest.c bmp.c)
-target_link_libraries(jpgtest turbojpeg)
+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()
 
-add_executable(jpgtest-static jpgtest.c bmp.c)
-target_link_libraries(jpgtest-static turbojpeg-static)
-
-add_executable(cjpeg-static cjpeg.c cdjpeg.c rdbmp.c rdgif.c rdppm.c rdswitch.c
-  rdtarga.c)
-set_property(TARGET cjpeg-static PROPERTY COMPILE_FLAGS
-  "-DBMP_SUPPORTED -DGIF_SUPPORTED -DPPM_SUPPORTED -DTARGA_SUPPORTED")
+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 wrbmp.c wrgif.c
-  wrppm.c wrtarga.c)
-set_property(TARGET djpeg-static PROPERTY COMPILE_FLAGS
-  "-DBMP_SUPPORTED -DGIF_SUPPORTED -DPPM_SUPPORTED -DTARGA_SUPPORTED")
+  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 rdjpgcom.c)
+add_executable(wrjpgcom wrjpgcom.c)
 
 
 #
 # Tests
 #
 
-enable_testing()
-add_test(jpegut jpegut)
-add_test(jpegut-yuv jpegut -yuv)
-add_test(cjpeg-int sharedlib/cjpeg -dct int -outfile testoutint.jpg ${CMAKE_SOURCE_DIR}/testorig.ppm)
-add_test(cjpeg-int-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_SOURCE_DIR}/testimgint.jpg testoutint.jpg)
-add_test(cjpeg-fast sharedlib/cjpeg -dct fast -opt -outfile testoutfst.jpg ${CMAKE_SOURCE_DIR}/testorig.ppm)
-add_test(cjpeg-fast-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_SOURCE_DIR}/testimgfst.jpg testoutfst.jpg)
-add_test(cjpeg-fast-100 sharedlib/cjpeg -dct fast -quality 100 -opt -outfile testoutfst100.jpg ${CMAKE_SOURCE_DIR}/testorig.ppm)
-add_test(cjpeg-fast-100-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_SOURCE_DIR}/testimgfst100.jpg testoutfst100.jpg)
-add_test(cjpeg-float sharedlib/cjpeg -dct float -outfile testoutflt.jpg ${CMAKE_SOURCE_DIR}/testorig.ppm)
-if(WITH_SIMD)
-add_test(cjpeg-float-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_SOURCE_DIR}/testimgflt.jpg testoutflt.jpg)
+if(MSVC_IDE)
+  set(OBJDIR "\${CTEST_CONFIGURATION_TYPE}/")
 else()
-add_test(cjpeg-float-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_SOURCE_DIR}/testimgflt-nosimd.jpg testoutflt.jpg)
+  set(OBJDIR "")
 endif()
-add_test(djpeg-int sharedlib/djpeg -dct int -fast -ppm -outfile testoutint.ppm ${CMAKE_SOURCE_DIR}/testorig.jpg)
-add_test(djpeg-int-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_SOURCE_DIR}/testimgint.ppm testoutint.ppm)
-add_test(djpeg-fast sharedlib/djpeg -dct fast -ppm -outfile testoutfst.ppm ${CMAKE_SOURCE_DIR}/testorig.jpg)
-add_test(djpeg-fast-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_SOURCE_DIR}/testimgfst.ppm testoutfst.ppm)
-add_test(djpeg-float sharedlib/djpeg -dct float -ppm -outfile testoutflt.ppm ${CMAKE_SOURCE_DIR}/testorig.jpg)
-if(WITH_SIMD)
-add_test(djpeg-float-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_SOURCE_DIR}/testimgflt.ppm testoutflt.ppm)
-else()
-add_test(djpeg-float-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_SOURCE_DIR}/testorig.ppm testoutflt.ppm)
-endif()
-add_test(djpeg-256 sharedlib/djpeg -dct int -bmp -colors 256 -outfile testout.bmp  ${CMAKE_SOURCE_DIR}/testorig.jpg)
-add_test(djpeg-256-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_SOURCE_DIR}/testimg.bmp testout.bmp)
-add_test(cjpeg-prog sharedlib/cjpeg -dct int -progressive -outfile testoutp.jpg ${CMAKE_SOURCE_DIR}/testorig.ppm)
-add_test(cjpeg-prog-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_SOURCE_DIR}/testimgp.jpg testoutp.jpg)
-add_test(jpegtran-prog sharedlib/jpegtran -outfile testoutt.jpg testoutp.jpg)
-add_test(jpegtran-prog-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_SOURCE_DIR}/testimgint.jpg testoutt.jpg)
-if(WITH_ARITH_ENC)
-add_test(cjpeg-ari sharedlib/cjpeg -dct int -arithmetic -outfile testoutari.jpg ${CMAKE_SOURCE_DIR}/testorig.ppm)
-add_test(cjpeg-ari-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_SOURCE_DIR}/testimgari.jpg testoutari.jpg)
-add_test(jpegtran-toari sharedlib/jpegtran -arithmetic -outfile testouta.jpg ${CMAKE_SOURCE_DIR}/testimgint.jpg)
-add_test(jpegtran-toari-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_SOURCE_DIR}/testimgari.jpg testouta.jpg)
-endif()
-if(WITH_ARITH_DEC)
-add_test(djpeg-ari sharedlib/djpeg -dct int -fast -ppm -outfile testoutari.ppm ${CMAKE_SOURCE_DIR}/testimgari.jpg)
-add_test(djpeg-ari-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_SOURCE_DIR}/testimgari.ppm testoutari.ppm)
-add_test(jpegtran-fromari	sharedlib/jpegtran -outfile testouta.jpg ${CMAKE_SOURCE_DIR}/testimgari.jpg)
-add_test(jpegtran-fromari-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_SOURCE_DIR}/testimgint.jpg testouta.jpg)
-endif()
-add_test(jpegtran-crop sharedlib/jpegtran -crop 120x90+20+50 -transpose -perfect -outfile testoutcrop.jpg ${CMAKE_SOURCE_DIR}/testorig.jpg)
-add_test(jpegtran-crop-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_SOURCE_DIR}/testimgcrop.jpg testoutcrop.jpg)
 
-add_test(jpegut-static jpegut-static)
-add_test(jpegut-static-yuv jpegut-static -yuv)
-add_test(cjpeg-static-int cjpeg-static -dct int -outfile testoutint.jpg ${CMAKE_SOURCE_DIR}/testorig.ppm)
-add_test(cjpeg-static-int-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_SOURCE_DIR}/testimgint.jpg testoutint.jpg)
-add_test(cjpeg-static-fast cjpeg-static -dct fast -opt -outfile testoutfst.jpg ${CMAKE_SOURCE_DIR}/testorig.ppm)
-add_test(cjpeg-static-fast-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_SOURCE_DIR}/testimgfst.jpg testoutfst.jpg)
-add_test(cjpeg-static-fast-100 cjpeg-static -dct fast -quality 100 -opt -outfile testoutfst100.jpg ${CMAKE_SOURCE_DIR}/testorig.ppm)
-add_test(cjpeg-static-fast-100-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_SOURCE_DIR}/testimgfst100.jpg testoutfst100.jpg)
-add_test(cjpeg-static-float cjpeg-static -dct float -outfile testoutflt.jpg ${CMAKE_SOURCE_DIR}/testorig.ppm)
-if(WITH_SIMD)
-add_test(cjpeg-static-float-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_SOURCE_DIR}/testimgflt.jpg testoutflt.jpg)
+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)
+  set(MD5_JPEG_3x2_FLOAT_PROG a8c17daf77b457725ec929e215b603f8)
+  set(MD5_PPM_3x2_FLOAT 42876ab9e5c2f76a87d08db5fbd57956)
+  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_JPEG_CROP cdb35ff4b4519392690ea040c56ea99c)
 else()
-add_test(cjpeg-static-float-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_SOURCE_DIR}/testimgflt-nosimd.jpg testoutflt.jpg)
-endif()
-add_test(djpeg-static-int djpeg-static -dct int -fast -ppm -outfile testoutint.ppm ${CMAKE_SOURCE_DIR}/testorig.jpg)
-add_test(djpeg-static-int-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_SOURCE_DIR}/testimgint.ppm testoutint.ppm)
-add_test(djpeg-static-fast djpeg-static -dct fast -ppm -outfile testoutfst.ppm ${CMAKE_SOURCE_DIR}/testorig.jpg)
-add_test(djpeg-static-fast-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_SOURCE_DIR}/testimgfst.ppm testoutfst.ppm)
-add_test(djpeg-static-float djpeg-static -dct float -ppm -outfile testoutflt.ppm ${CMAKE_SOURCE_DIR}/testorig.jpg)
+  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)
-add_test(djpeg-static-float-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_SOURCE_DIR}/testimgflt.ppm testoutflt.ppm)
+    set(MD5_JPEG_3x2_FLOAT_PROG 343e3f8caf8af5986ebaf0bdc13b5c71)
+    set(MD5_PPM_3x2_FLOAT 1a75f36e5904d6fc3a85a43da9ad89bb)
   else()
-add_test(djpeg-static-float-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_SOURCE_DIR}/testorig.ppm testoutflt.ppm)
+    set(MD5_JPEG_3x2_FLOAT_PROG 9bca803d2042bd1eb03819e2bf92b3e5)
+    set(MD5_PPM_3x2_FLOAT f6bfab038438ed8f5522fbd33595dcdc)
   endif()
-add_test(djpeg-static-256 djpeg-static -dct int -bmp -colors 256 -outfile testout.bmp  ${CMAKE_SOURCE_DIR}/testorig.jpg)
-add_test(djpeg-static-256-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_SOURCE_DIR}/testimg.bmp testout.bmp)
-add_test(cjpeg-static-prog cjpeg-static -dct int -progressive -outfile testoutp.jpg ${CMAKE_SOURCE_DIR}/testorig.ppm)
-add_test(cjpeg-static-prog-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_SOURCE_DIR}/testimgp.jpg testoutp.jpg)
-add_test(jpegtran-static-prog jpegtran-static -outfile testoutt.jpg testoutp.jpg)
-add_test(jpegtran-static-prog-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_SOURCE_DIR}/testimgint.jpg testoutt.jpg)
+  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_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()
+
+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
+      ${CMAKE_SOURCE_DIR}/testimages/testorig.ppm)
+  add_test(cjpeg${suffix}-rgb-islow-cmp
+    ${CMAKE_COMMAND} -DMD5=${MD5_JPEG_RGB_ISLOW} -DFILE=testout_rgb_islow.jpg
+      -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
+  # CC: null  SAMP: fullsize  IDCT: islow  ENT: huff
+  add_test(djpeg${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
+    ${CMAKE_COMMAND} -DMD5=${MD5_PPM_RGB_ISLOW} -DFILE=testout_rgb_islow.ppm
+      -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
+  if(NOT WITH_12BIT)
+    # CC: RGB->RGB565  SAMP: fullsize  IDCT: islow  ENT: huff
+    add_test(djpeg${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
+      ${CMAKE_COMMAND} -DMD5=${MD5_BMP_RGB_ISLOW_565}
+        -DFILE=testout_rgb_islow_565.bmp
+        -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
+    # CC: RGB->RGB565 (dithered)  SAMP: fullsize  IDCT: islow  ENT: huff
+    add_test(djpeg${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
+      ${CMAKE_COMMAND} -DMD5=${MD5_BMP_RGB_ISLOW_565D}
+        -DFILE=testout_rgb_islow_565D.bmp
+        -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
+  endif()
+
+  # CC: RGB->YCC  SAMP: fullsize/h2v1  FDCT: ifast  ENT: 2-pass huff
+  add_test(cjpeg${suffix}-422-ifast-opt
+    ${dir}cjpeg${suffix} -sample 2x1 -dct fast -opt
+      -outfile testout_422_ifast_opt.jpg
+      ${CMAKE_SOURCE_DIR}/testimages/testorig.ppm)
+  add_test(cjpeg${suffix}-422-ifast-opt-cmp
+    ${CMAKE_COMMAND} -DMD5=${MD5_JPEG_422_IFAST_OPT}
+      -DFILE=testout_422_ifast_opt.jpg
+      -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
+  # CC: YCC->RGB  SAMP: fullsize/h2v1 fancy  IDCT: ifast  ENT: huff
+  add_test(djpeg${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
+    ${CMAKE_COMMAND} -DMD5=${MD5_PPM_422_IFAST} -DFILE=testout_422_ifast.ppm
+      -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
+  # CC: YCC->RGB  SAMP: h2v1 merged  IDCT: ifast  ENT: huff
+  add_test(djpeg${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
+    ${CMAKE_COMMAND} -DMD5=${MD5_PPM_422M_IFAST} -DFILE=testout_422m_ifast.ppm
+      -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
+  if(NOT WITH_12BIT)
+    # CC: YCC->RGB565  SAMP: h2v1 merged  IDCT: ifast  ENT: huff
+    add_test(djpeg${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
+      ${CMAKE_COMMAND} -DMD5=${MD5_BMP_422M_IFAST_565}
+        -DFILE=testout_422m_ifast_565.bmp
+        -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
+    # CC: YCC->RGB565 (dithered)  SAMP: h2v1 merged  IDCT: ifast  ENT: huff
+    add_test(djpeg${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
+      ${CMAKE_COMMAND} -DMD5=${MD5_BMP_422M_IFAST_565D}
+        -DFILE=testout_422m_ifast_565D.bmp
+        -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
+  endif()
+
+  # CC: RGB->YCC  SAMP: fullsize/h2v2  FDCT: ifast  ENT: prog huff
+  add_test(cjpeg${suffix}-420-q100-ifast-prog
+    ${dir}cjpeg${suffix} -sample 2x2 -quality 100 -dct fast -prog
+      -outfile testout_420_q100_ifast_prog.jpg
+      ${CMAKE_SOURCE_DIR}/testimages/testorig.ppm)
+  add_test(cjpeg${suffix}-420-q100-ifast-prog-cmp
+    ${CMAKE_COMMAND} -DMD5=${MD5_JPEG_420_IFAST_Q100_PROG}
+      -DFILE=testout_420_q100_ifast_prog.jpg
+      -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
+  # CC: YCC->RGB  SAMP: fullsize/h2v2 fancy  IDCT: ifast  ENT: prog huff
+  add_test(djpeg${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
+    ${CMAKE_COMMAND} -DMD5=${MD5_PPM_420_Q100_IFAST}
+      -DFILE=testout_420_q100_ifast.ppm
+      -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
+  # CC: YCC->RGB  SAMP: h2v2 merged  IDCT: ifast  ENT: prog huff
+  add_test(djpeg${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
+    ${CMAKE_COMMAND} -DMD5=${MD5_PPM_420M_Q100_IFAST}
+      -DFILE=testout_420m_q100_ifast.ppm
+      -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
+
+  # CC: RGB->Gray  SAMP: fullsize  FDCT: islow  ENT: huff
+  add_test(cjpeg${suffix}-gray-islow
+    ${dir}cjpeg${suffix} -gray -dct int -outfile testout_gray_islow.jpg
+      ${CMAKE_SOURCE_DIR}/testimages/testorig.ppm)
+  add_test(cjpeg${suffix}-gray-islow-cmp
+    ${CMAKE_COMMAND} -DMD5=${MD5_JPEG_GRAY_ISLOW}
+      -DFILE=testout_gray_islow.jpg
+      -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
+  # CC: Gray->Gray  SAMP: fullsize  IDCT: islow  ENT: huff
+  add_test(djpeg${suffix}-gray-islow
+    ${dir}djpeg${suffix} -dct int -outfile testout_gray_islow.ppm
+      testout_gray_islow.jpg)
+  add_test(djpeg${suffix}-gray-islow-cmp
+    ${CMAKE_COMMAND} -DMD5=${MD5_PPM_GRAY_ISLOW}
+      -DFILE=testout_gray_islow.ppm
+      -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
+  # CC: Gray->RGB  SAMP: fullsize  IDCT: islow  ENT: huff
+  add_test(djpeg${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
+    ${CMAKE_COMMAND} -DMD5=${MD5_PPM_GRAY_ISLOW_RGB}
+      -DFILE=testout_gray_islow_rgb.ppm
+      -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
+  if(NOT WITH_12BIT)
+    # CC: Gray->RGB565  SAMP: fullsize  IDCT: islow  ENT: huff
+    add_test(djpeg${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
+      ${CMAKE_COMMAND} -DMD5=${MD5_BMP_GRAY_ISLOW_565}
+        -DFILE=testout_gray_islow_565.bmp
+        -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
+    # CC: Gray->RGB565 (dithered)  SAMP: fullsize  IDCT: islow  ENT: huff
+    add_test(djpeg${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
+      ${CMAKE_COMMAND} -DMD5=${MD5_BMP_GRAY_ISLOW_565D}
+        -DFILE=testout_gray_islow_565D.bmp
+        -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
+  endif()
+
+  # CC: RGB->YCC  SAMP: fullsize smooth/h2v2 smooth  FDCT: islow
+  # ENT: 2-pass huff
+  add_test(cjpeg${suffix}-420s-ifast-opt
+    ${dir}cjpeg${suffix} -sample 2x2 -smooth 1 -dct int -opt -outfile
+      testout_420s_ifast_opt.jpg ${CMAKE_SOURCE_DIR}/testimages/testorig.ppm)
+  add_test(cjpeg${suffix}-420s-ifast-opt-cmp
+    ${CMAKE_COMMAND} -DMD5=${MD5_JPEG_420S_IFAST_OPT}
+      -DFILE=testout_420s_ifast_opt.jpg
+      -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
+
+  # CC: RGB->YCC  SAMP: fullsize/int  FDCT: float  ENT: prog huff
+  add_test(cjpeg${suffix}-3x2-float-prog
+    ${dir}cjpeg${suffix} -sample 3x2 -dct float -prog
+      -outfile testout_3x2_float_prog.jpg
+      ${CMAKE_SOURCE_DIR}/testimages/testorig.ppm)
+  add_test(cjpeg${suffix}-3x2-float-prog-cmp
+    ${CMAKE_COMMAND} -DMD5=${MD5_JPEG_3x2_FLOAT_PROG}
+      -DFILE=testout_3x2_float_prog.jpg
+      -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
+  # CC: YCC->RGB  SAMP: fullsize/int  IDCT: float  ENT: prog huff
+  add_test(djpeg${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
+    ${CMAKE_COMMAND} -DMD5=${MD5_PPM_3x2_FLOAT} -DFILE=testout_3x2_float.ppm
+      -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
+
   if(WITH_ARITH_ENC)
-add_test(cjpeg-static-ari cjpeg-static -dct int -arithmetic -outfile testoutari.jpg ${CMAKE_SOURCE_DIR}/testorig.ppm)
-add_test(cjpeg-static-ari-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_SOURCE_DIR}/testimgari.jpg testoutari.jpg)
-add_test(jpegtran-static-toari jpegtran-static -arithmetic -outfile testouta.jpg ${CMAKE_SOURCE_DIR}/testimgint.jpg)
-add_test(jpegtran-static-toari-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_SOURCE_DIR}/testimgari.jpg testouta.jpg)
+    # CC: YCC->RGB  SAMP: fullsize/h2v2  FDCT: islow  ENT: arith
+    add_test(cjpeg${suffix}-420-islow-ari
+      ${dir}cjpeg${suffix} -dct int -arithmetic
+        -outfile testout_420_islow_ari.jpg
+        ${CMAKE_SOURCE_DIR}/testimages/testorig.ppm)
+    add_test(cjpeg${suffix}-420-islow-ari-cmp
+      ${CMAKE_COMMAND} -DMD5=${MD5_JPEG_420_ISLOW_ARI}
+        -DFILE=testout_420_islow_ari.jpg
+        -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
+    add_test(jpegtran${suffix}-420-islow-ari
+      ${dir}jpegtran${suffix} -arithmetic
+        -outfile testout_420_islow_ari.jpg
+        ${CMAKE_SOURCE_DIR}/testimages/testimgint.jpg)
+    add_test(jpegtran${suffix}-420-islow-ari-cmp
+      ${CMAKE_COMMAND} -DMD5=${MD5_JPEG_420_ISLOW_ARI}
+        -DFILE=testout_420_islow_ari.jpg
+        -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
+    # CC: YCC->RGB  SAMP: fullsize  FDCT: islow  ENT: prog arith
+    add_test(cjpeg${suffix}-444-islow-progari
+      ${dir}cjpeg${suffix} -sample 1x1 -dct int -progressive -arithmetic
+        -outfile testout_444_islow_progari.jpg
+        ${CMAKE_SOURCE_DIR}/testimages/testorig.ppm)
+    add_test(cjpeg${suffix}-444-islow-progari-cmp
+      ${CMAKE_COMMAND} -DMD5=${MD5_JPEG_444_ISLOW_PROGARI}
+        -DFILE=testout_444_islow_progari.jpg
+        -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
   endif()
   if(WITH_ARITH_DEC)
-add_test(djpeg-static-ari djpeg-static -dct int -fast -ppm -outfile testoutari.ppm ${CMAKE_SOURCE_DIR}/testimgari.jpg)
-add_test(djpeg-static-ari-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_SOURCE_DIR}/testimgari.ppm testoutari.ppm)
-add_test(jpegtran-static-fromari	jpegtran-static -outfile testouta.jpg ${CMAKE_SOURCE_DIR}/testimgari.jpg)
-add_test(jpegtran-static-fromari-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_SOURCE_DIR}/testimgint.jpg testouta.jpg)
+    # CC: RGB->YCC  SAMP: h2v2 merged  IDCT: ifast  ENT: arith
+    add_test(djpeg${suffix}-420m-ifast-ari
+      ${dir}djpeg${suffix} -fast -ppm -outfile testout_420m_ifast_ari.ppm
+        ${CMAKE_SOURCE_DIR}/testimages/testimgari.jpg)
+    add_test(djpeg${suffix}-420m-ifast-ari-cmp
+      ${CMAKE_COMMAND} -DMD5=${MD5_PPM_420M_IFAST_ARI}
+        -DFILE=testout_420m_ifast_ari.ppm
+        -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
+    add_test(jpegtran${suffix}-420-islow
+      ${dir}jpegtran${suffix} -outfile testout_420_islow.jpg
+        ${CMAKE_SOURCE_DIR}/testimages/testimgari.jpg)
+    add_test(jpegtran${suffix}-420-islow-cmp
+      ${CMAKE_COMMAND} -DMD5=${MD5_JPEG_420_ISLOW}
+        -DFILE=testout_420_islow.jpg
+        -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
   endif()
-add_test(jpegtran-static-crop jpegtran-static -crop 120x90+20+50 -transpose -perfect -outfile testoutcrop.jpg ${CMAKE_SOURCE_DIR}/testorig.jpg)
-add_test(jpegtran-static-crop-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_SOURCE_DIR}/testimgcrop.jpg testoutcrop.jpg)
+
+  # 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
+        ${CMAKE_SOURCE_DIR}/testimages/${TESTORIG})
+    add_test(djpeg${suffix}-420m-islow-${scale}-cmp
+      ${CMAKE_COMMAND} -DMD5=${MD5_PPM_420M_ISLOW_${scale}}
+        -DFILE=testout_420m_islow_${scale}.ppm
+        -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
+  endforeach()
+
+  if(NOT WITH_12BIT)
+    # CC: YCC->RGB (dithered)  SAMP: h2v2 fancy  IDCT: islow  ENT: huff
+    add_test(djpeg${suffix}-420-islow-256
+      ${dir}djpeg${suffix} -dct int -colors 256 -bmp
+        -outfile testout_420_islow_256.bmp
+        ${CMAKE_SOURCE_DIR}/testimages/${TESTORIG})
+    add_test(djpeg${suffix}-420-islow-256-cmp
+      ${CMAKE_COMMAND} -DMD5=${MD5_BMP_420_ISLOW_256}
+        -DFILE=testout_420_islow_256.bmp
+        -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
+    # CC: YCC->RGB565  SAMP: h2v2 fancy  IDCT: islow  ENT: huff
+    add_test(djpeg${suffix}-420-islow-565
+      ${dir}djpeg${suffix} -dct int -rgb565 -dither none -bmp
+        -outfile testout_420_islow_565.bmp
+        ${CMAKE_SOURCE_DIR}/testimages/${TESTORIG})
+    add_test(djpeg${suffix}-420-islow-565-cmp
+      ${CMAKE_COMMAND} -DMD5=${MD5_BMP_420_ISLOW_565}
+        -DFILE=testout_420_islow_565.bmp
+        -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
+    # CC: YCC->RGB565 (dithered)  SAMP: h2v2 fancy  IDCT: islow  ENT: huff
+    add_test(djpeg${suffix}-420-islow-565D
+      ${dir}djpeg${suffix} -dct int -rgb565 -bmp
+        -outfile testout_420_islow_565D.bmp
+        ${CMAKE_SOURCE_DIR}/testimages/${TESTORIG})
+    add_test(djpeg${suffix}-420-islow-565D-cmp
+      ${CMAKE_COMMAND} -DMD5=${MD5_BMP_420_ISLOW_565D}
+        -DFILE=testout_420_islow_565D.bmp
+        -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
+    # CC: YCC->RGB565  SAMP: h2v2 merged  IDCT: islow  ENT: huff
+    add_test(djpeg${suffix}-420m-islow-565
+      ${dir}djpeg${suffix} -dct int -nosmooth -rgb565 -dither none -bmp
+        -outfile testout_420m_islow_565.bmp
+        ${CMAKE_SOURCE_DIR}/testimages/${TESTORIG})
+    add_test(djpeg${suffix}-420m-islow-565-cmp
+      ${CMAKE_COMMAND} -DMD5=${MD5_BMP_420M_ISLOW_565}
+        -DFILE=testout_420m_islow_565.bmp
+        -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
+    # CC: YCC->RGB565 (dithered)  SAMP: h2v2 merged  IDCT: islow  ENT: huff
+    add_test(djpeg${suffix}-420m-islow-565D
+      ${dir}djpeg${suffix} -dct int -nosmooth -rgb565 -bmp
+        -outfile testout_420m_islow_565D.bmp
+        ${CMAKE_SOURCE_DIR}/testimages/${TESTORIG})
+    add_test(djpeg${suffix}-420m-islow-565D-cmp
+      ${CMAKE_COMMAND} -DMD5=${MD5_BMP_420M_ISLOW_565D}
+        -DFILE=testout_420m_islow_565D.bmp
+        -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
+  endif()
+  add_test(jpegtran${suffix}-crop
+    ${dir}jpegtran${suffix} -crop 120x90+20+50 -transpose -perfect
+      -outfile testout_crop.jpg ${CMAKE_SOURCE_DIR}/testimages/${TESTORIG})
+  add_test(jpegtran${suffix}-crop-cmp
+    ${CMAKE_COMMAND} -DMD5=${MD5_JPEG_CROP} -DFILE=testout_crop.jpg
+      -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
+
+endforeach()
+
+add_custom_target(testclean COMMAND ${CMAKE_COMMAND} -P
+  ${CMAKE_SOURCE_DIR}/cmakescripts/testclean.cmake)
 
 
 #
 # Installer
 #
 
-set(INST_NAME ${CMAKE_PROJECT_NAME})
-
 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 ${INST_NAME}-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 ${INST_DEFS} "-DBUILDDIR=$(OutDir)\\")
+  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
+  DEPENDS jpeg jpeg-static turbojpeg turbojpeg-static rdjpgcom wrjpgcom
+    cjpeg djpeg jpegtran tjbench ${JAVA_DEPEND}
   SOURCES libjpeg-turbo.nsi)
 
-install(TARGETS jpeg-static turbojpeg turbojpeg-static rdjpgcom wrjpgcom jpgtest
+if(WITH_TURBOJPEG)
+  if(ENABLE_SHARED)
+    install(TARGETS turbojpeg tjbench
       ARCHIVE DESTINATION lib
       LIBRARY DESTINATION lib
-  RUNTIME DESTINATION bin
-)
+      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()
 
-install(FILES ${CMAKE_SOURCE_DIR}/LGPL.txt ${CMAKE_SOURCE_DIR}/LICENSE.txt
-  ${CMAKE_SOURCE_DIR}/README ${CMAKE_SOURCE_DIR}/README-turbo.txt
-  ${CMAKE_SOURCE_DIR}/libjpeg.txt ${CMAKE_SOURCE_DIR}/usage.txt
+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 ${CMAKE_SOURCE_DIR}/README-turbo.txt
+  ${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
-  ${CMAKE_SOURCE_DIR}/turbojpeg.h DESTINATION include)
+  DESTINATION include)

ChangeLog.txt

@@ -1,3 +1,581 @@
+1.4.1
+=====
+
+[1] tjbench now properly handles CMYK/YCCK JPEG files.  Passing an argument of
+-cmyk (instead of, for instance, -rgb) will cause tjbench to internally convert
+the source bitmap to CMYK prior to compression, to generate YCCK JPEG files,
+and to internally convert the decompressed CMYK pixels back to RGB after
+decompression (the latter is done automatically if a CMYK or YCCK JPEG is
+passed to tjbench as a source image.)  The CMYK<->RGB conversion operation is
+not benchmarked.  NOTE: The quick & dirty CMYK<->RGB conversions that tjbench
+uses are suitable for testing only.  Proper conversion between CMYK and RGB
+requires a color management system.
+
+[2] 'make test' now performs additional bitwise regression tests using tjbench,
+mainly for the purpose of testing compression from/decompression to a subregion
+of a larger image buffer.
+
+[3] 'make test' no longer tests the regression of the floating point DCT/IDCT
+by default, since the results of those tests can vary if the algorithms in
+question are not implemented using SIMD instructions on a particular platform.
+See the comments in Makefile.am for information on how to re-enable the tests
+and to specify an expected result for them based on the particulars of your
+platform.
+
+[4] The NULL color conversion routines have been significantly optimized,
+which speeds up the compression of RGB and CMYK JPEGs by 5-20% when using
+64-bit code and 0-3% when using 32-bit code, and the decompression of those
+images by 10-30% when using 64-bit code and 3-12% when using 32-bit code.
+
+[5] Fixed an "illegal instruction" error that occurred when djpeg from a
+SIMD-enabled libjpeg-turbo MIPS build was executed with the -nosmooth option on
+a MIPS machine that lacked DSPr2 support.  The MIPS SIMD routines for h2v1 and
+h2v2 merged upsampling were not properly checking for the existence of DSPr2.
+
+[6] Performance has been improved significantly on 64-bit non-Linux and
+non-Windows platforms (generally 10-20% faster compression and 5-10% faster
+decompression.)  Due to an oversight, the 64-bit version of the accelerated
+Huffman codec was not being compiled in when libjpeg-turbo was built on
+platforms other than Windows or Linux.  Oops.
+
+[7] Fixed an extremely rare bug in the Huffman encoder that caused 64-bit
+builds of libjpeg-turbo to incorrectly encode a few specific test images when
+quality=98, an optimized Huffman table, and the slow integer forward DCT were
+used.
+
+[8] The Windows (CMake) build system now supports building only static or only
+shared libraries.  This is accomplished by adding either -DENABLE_STATIC=0 or
+-DENABLE_SHARED=0 to the CMake command line.
+
+[9] TurboJPEG API functions will now return an error code if a warning is
+triggered in the underlying libjpeg API.  For instance, if a JPEG file is
+corrupt, the TurboJPEG decompression functions will attempt to decompress
+as much of the image as possible, but those functions will now return -1 to
+indicate that the decompression was not entirely successful.
+
+[10] Fixed a bug in the MIPS DSPr2 4:2:2 fancy upsampling routine that caused a
+buffer overflow (and subsequent segfault) when decompressing a 4:2:2 JPEG image
+in which the right-most MCU was 5 or 6 pixels wide.
+
+
+1.4.0
+=====
+
+[1] Fixed a build issue on OS X PowerPC platforms (md5cmp failed to build
+because OS X does not provide the le32toh() and htole32() functions.)
+
+[2] The non-SIMD RGB565 color conversion code did not work correctly on big
+endian machines.  This has been fixed.
+
+[3] Fixed an issue in tjPlaneSizeYUV() whereby it would erroneously return 1
+instead of -1 if componentID was > 0 and subsamp was TJSAMP_GRAY.
+
+[3] Fixed an issue in tjBufSizeYUV2() whereby it would erroneously return 0
+instead of -1 if width was < 1.
+
+[5] The Huffman encoder now uses clz and bsr instructions for bit counting on
+ARM64 platforms (see 1.4 beta1 [5].)
+
+[6] The close() method in the TJCompressor and TJDecompressor Java classes is
+now idempotent.  Previously, that method would call the native tjDestroy()
+function even if the TurboJPEG instance had already been destroyed.  This
+caused an exception to be thrown during finalization, if the close() method had
+already been called.  The exception was caught, but it was still an expensive
+operation.
+
+[7] The TurboJPEG API previously generated an error ("Could not determine
+subsampling type for JPEG image") when attempting to decompress grayscale JPEG
+images that were compressed with a sampling factor other than 1 (for instance,
+with 'cjpeg -grayscale -sample 2x2').  Subsampling technically has no meaning
+with grayscale JPEGs, and thus the horizontal and vertical sampling factors
+for such images are ignored by the decompressor.  However, the TurboJPEG API
+was being too rigid and was expecting the sampling factors to be equal to 1
+before it treated the image as a grayscale JPEG.
+
+[8] cjpeg, djpeg, and jpegtran now accept an argument of -version, which will
+print the library version and exit.
+
+[9] Referring to 1.4 beta1 [15], another extremely rare circumstance was
+discovered under which the Huffman encoder's local buffer can be overrun
+when a buffered destination manager is being used and an
+extremely-high-frequency block (basically junk image data) is being encoded.
+Even though the Huffman local buffer was increased from 128 bytes to 136 bytes
+to address the previous issue, the new issue caused even the larger buffer to
+be overrun.  Further analysis reveals that, in the absolute worst case (such as
+setting alternating AC coefficients to 32767 and -32768 in the JPEG scanning
+order), the Huffman encoder can produce encoded blocks that approach double the
+size of the unencoded blocks.  Thus, the Huffman local buffer was increased to
+256 bytes, which should prevent any such issue from re-occurring in the future.
+
+[10] The new tjPlaneSizeYUV(), tjPlaneWidth(), and tjPlaneHeight() functions
+were not actually usable on any platform except OS X and Windows, because
+those functions were not included in the libturbojpeg mapfile.  This has been
+fixed.
+
+[11] Restored the JPP(), JMETHOD(), and FAR macros in the libjpeg-turbo header
+files.  The JPP() and JMETHOD() macros were originally implemented in libjpeg
+as a way of supporting non-ANSI compilers that lacked support for prototype
+parameters.  libjpeg-turbo has never supported such compilers, but some
+software packages still use the macros to define their own prototypes.
+Similarly, libjpeg-turbo has never supported MS-DOS and other platforms that
+have far symbols, but some software packages still use the FAR macro.  A pretty
+good argument can be made that this is a bad practice on the part of the
+software in question, but since this affects more than one package, it's just
+easier to fix it here.
+
+[12] Fixed issues that were preventing the ARM 64-bit SIMD code from compiling
+for iOS, and included an ARMv8 architecture in all of the binaries installed by
+the "official" libjpeg-turbo SDK for OS X.
+
+
+1.3.90 (1.4 beta1)
+==================
+
+[1] New features in the TurboJPEG API:
+-- YUV planar images can now be generated with an arbitrary line padding
+(previously only 4-byte padding, which was compatible with X Video, was
+supported.)
+-- The decompress-to-YUV function has been extended to support image scaling.
+-- JPEG images can now be compressed from YUV planar source images.
+-- YUV planar images can now be decoded into RGB or grayscale images.
+-- 4:1:1 subsampling is now supported.  This is mainly included for
+compatibility, since 4:1:1 is not fully accelerated in libjpeg-turbo and has no
+significant advantages relative to 4:2:0.
+-- CMYK images are now supported.  This feature allows CMYK source images to be
+compressed to YCCK JPEGs and YCCK or CMYK JPEGs to be decompressed to CMYK
+destination images.  Conversion between CMYK/YCCK and RGB or YUV images is not
+supported.  Such conversion requires a color management system and is thus out
+of scope for a codec library.
+-- The handling of YUV images in the Java API has been significantly refactored
+and should now be much more intuitive.
+-- The Java API now supports encoding a YUV image from an arbitrary position in
+a large image buffer.
+-- All of the YUV functions now have a corresponding function that operates on
+separate image planes instead of a unified image buffer.  This allows for
+compressing/decoding from or decompressing/encoding to a subregion of a larger
+YUV image.  It also allows for handling YUV formats that swap the order of the
+U and V planes.
+
+[2] Added SIMD acceleration for DSPr2-capable MIPS platforms.  This speeds up
+the compression of full-color JPEGs by 70-80% on such platforms and
+decompression by 25-35%.
+
+[3] If an application attempts to decompress a Huffman-coded JPEG image whose
+header does not contain Huffman tables, libjpeg-turbo will now insert the
+default Huffman tables.  In order to save space, many motion JPEG video frames
+are encoded without the default Huffman tables, so these frames can now be
+successfully decompressed by libjpeg-turbo without additional work on the part
+of the application.  An application can still override the Huffman tables, for
+instance to re-use tables from a previous frame of the same video.
+
+[4] The Mac packaging system now uses pkgbuild and productbuild rather than
+PackageMaker (which is obsolete and no longer supported.)  This means that
+OS X 10.6 "Snow Leopard" or later must be used when packaging libjpeg-turbo,
+although the packages produced can be installed on OS X 10.5 "Leopard" or
+later.  OS X 10.4 "Tiger" is no longer supported.
+
+[5] The Huffman encoder now uses clz and bsr instructions for bit counting on
+ARM platforms rather than a lookup table.  This reduces the memory footprint
+by 64k, which may be important for some mobile applications.  Out of four
+Android devices that were tested, two demonstrated a small overall performance
+loss (~3-4% on average) with ARMv6 code and a small gain (also ~3-4%) with
+ARMv7 code when enabling this new feature, but the other two devices
+demonstrated a significant overall performance gain with both ARMv6 and ARMv7
+code (~10-20%) when enabling the feature.  Actual mileage may vary.
+
+[6] Worked around an issue with Visual C++ 2010 and later that caused incorrect
+pixels to be generated when decompressing a JPEG image to a 256-color bitmap,
+if compiler optimization was enabled when libjpeg-turbo was built.  This caused
+the regression tests to fail when doing a release build under Visual C++ 2010
+and later.
+
+[7] Improved the accuracy and performance of the non-SIMD implementation of the
+floating point inverse DCT (using code borrowed from libjpeg v8a and later.)
+The accuracy of this implementation now matches the accuracy of the SSE/SSE2
+implementation.  Note, however, that the floating point DCT/IDCT algorithms are
+mainly a legacy feature.  They generally do not produce significantly better
+accuracy than the slow integer DCT/IDCT algorithms, and they are quite a bit
+slower.
+
+[8] Added a new output colorspace (JCS_RGB565) to the libjpeg API that allows
+for decompressing JPEG images into RGB565 (16-bit) pixels.  If dithering is not
+used, then this code path is SIMD-accelerated on ARM platforms.
+
+[9] Numerous obsolete features, such as support for non-ANSI compilers and
+support for the MS-DOS memory model, were removed from the libjpeg code,
+greatly improving its readability and making it easier to maintain and extend.
+
+[10] Fixed a segfault that occurred when calling output_message() with msg_code
+set to JMSG_COPYRIGHT.
+
+[11] Fixed an issue whereby wrjpgcom was allowing comments longer than 65k
+characters to be passed on the command line, which was causing it to generate
+incorrect JPEG files.
+
+[12] Fixed a bug in the build system that was causing the Windows version of
+wrjpgcom to be built using the rdjpgcom source code.
+
+[13] Restored 12-bit-per-component JPEG support.  A 12-bit version of
+libjpeg-turbo can now be built by passing an argument of --with-12bit to
+configure (Unix) or -DWITH_12BIT=1 to cmake (Windows.)  12-bit JPEG support is
+included only for convenience.  Enabling this feature disables all of the
+performance features in libjpeg-turbo, as well as arithmetic coding and the
+TurboJPEG API.  The resulting library still contains the other libjpeg-turbo
+features (such as the colorspace extensions), but in general, it performs no
+faster than libjpeg v6b.
+
+[14] Added ARM 64-bit SIMD acceleration for the YCC-to-RGB color conversion
+and IDCT algorithms (both are used during JPEG decompression.)  For unknown
+reasons (probably related to clang), this code cannot currently be compiled for
+iOS.
+
+[15] Fixed an extremely rare bug that could cause the Huffman encoder's local
+buffer to overrun when a very high-frequency MCU is compressed using quality
+100 and no subsampling, and when the JPEG output buffer is being dynamically
+resized by the destination manager.  This issue was so rare that, even with a
+test program specifically designed to make the bug occur (by injecting random
+high-frequency YUV data into the compressor), it was reproducible only once in
+about every 25 million iterations.
+
+[16] Fixed an oversight in the TurboJPEG C wrapper:  if any of the JPEG
+compression functions was called repeatedly with the same
+automatically-allocated destination buffer, then TurboJPEG would erroneously
+assume that the jpegSize parameter was equal to the size of the buffer, when in
+fact that parameter was probably equal to the size of the most recently
+compressed JPEG image.  If the size of the previous JPEG image was not as large
+as the current JPEG image, then TurboJPEG would unnecessarily reallocate the
+destination buffer.
+
+
+1.3.1
+=====
+
+[1] On Un*x systems, 'make install' now installs the libjpeg-turbo libraries
+into /opt/libjpeg-turbo/lib32 by default on any 32-bit system, not just x86,
+and into /opt/libjpeg-turbo/lib64 by default on any 64-bit system, not just
+x86-64.  You can override this by overriding either the 'prefix' or 'libdir'
+configure variables.
+
+[2] The Windows installer now places a copy of the TurboJPEG DLLs in the same
+directory as the rest of the libjpeg-turbo binaries.  This was mainly done
+to support TurboVNC 1.3, which bundles the DLLs in its Windows installation.
+When using a 32-bit version of CMake on 64-bit Windows, it is impossible to
+access the c:\WINDOWS\system32 directory, which made it impossible for the
+TurboVNC build scripts to bundle the 64-bit TurboJPEG DLL.
+
+[3] Fixed a bug whereby attempting to encode a progressive JPEG with arithmetic
+entropy coding (by passing arguments of -progressive -arithmetic to cjpeg or
+jpegtran, for instance) would result in an error, "Requested feature was
+omitted at compile time".
+
+[4] Fixed a couple of issues whereby malformed JPEG images would cause
+libjpeg-turbo to use uninitialized memory during decompression.
+
+[5] Fixed an error ("Buffer passed to JPEG library is too small") that occurred
+when calling the TurboJPEG YUV encoding function with a very small (< 5x5)
+source image, and added a unit test to check for this error.
+
+[6] The Java classes should now build properly under Visual Studio 2010 and
+later.
+
+[7] Fixed an issue that prevented SRPMs generated using the in-tree packaging
+tools from being rebuilt on certain newer Linux distributions.
+
+[8] Numerous minor fixes to eliminate compilation and build/packaging system
+warnings, fix cosmetic issues, improve documentation clarity, and other general
+source cleanup.
+
+
+1.3.0
+=====
+
+[1] 'make test' now works properly on FreeBSD, and it no longer requires the
+md5sum executable to be present on other Un*x platforms.
+
+[2] Overhauled the packaging system:
+-- To avoid conflict with vendor-supplied libjpeg-turbo packages, the
+official RPMs and DEBs for libjpeg-turbo have been renamed to
+"libjpeg-turbo-official".
+-- The TurboJPEG libraries are now located under /opt/libjpeg-turbo in the
+official Linux and Mac packages, to avoid conflict with vendor-supplied
+packages and also to streamline the packaging system.
+-- Release packages are now created with the directory structure defined
+by the configure variables "prefix", "bindir", "libdir", etc. (Un*x) or by the
+CMAKE_INSTALL_PREFIX variable (Windows.)  The exception is that the docs are
+always located under the system default documentation directory on Un*x and Mac
+systems, and on Windows, the TurboJPEG DLL is always located in the Windows
+system directory.
+-- To avoid confusion, official libjpeg-turbo packages on Linux/Unix platforms
+(except for Mac) will always install the 32-bit libraries in
+/opt/libjpeg-turbo/lib32 and the 64-bit libraries in /opt/libjpeg-turbo/lib64.
+-- Fixed an issue whereby, in some cases, the libjpeg-turbo executables on Un*x
+systems were not properly linking with the shared libraries installed by the
+same package.
+-- Fixed an issue whereby building the "installer" target on Windows when
+WITH_JAVA=1 would fail if the TurboJPEG JAR had not been previously built.
+-- Building the "install" target on Windows now installs files into the same
+places that the installer does.
+
+[3] Fixed a Huffman encoder bug that prevented I/O suspension from working
+properly.
+
+
+1.2.90 (1.3 beta1)
+==================
+
+[1] Added support for additional scaling factors (3/8, 5/8, 3/4, 7/8, 9/8, 5/4,
+11/8, 3/2, 13/8, 7/4, 15/8, and 2) when decompressing.  Note that the IDCT will
+not be SIMD-accelerated when using any of these new scaling factors.
+
+[2] The TurboJPEG dynamic library is now versioned.  It was not strictly
+necessary to do so, because TurboJPEG uses versioned symbols, and if a function
+changes in an ABI-incompatible way, that function is renamed and a legacy
+function is provided to maintain backward compatibility.  However, certain
+Linux distro maintainers have a policy against accepting any library that isn't
+versioned.
+
+[3] Extended the TurboJPEG Java API so that it can be used to compress a JPEG
+image from and decompress a JPEG image to an arbitrary position in a large
+image buffer.
+
+[4] The tjDecompressToYUV() function now supports the TJFLAG_FASTDCT flag.
+
+[5] The 32-bit supplementary package for amd64 Debian systems now provides
+symlinks in /usr/lib/i386-linux-gnu for the TurboJPEG libraries in /usr/lib32.
+This allows those libraries to be used on MultiArch-compatible systems (such as
+Ubuntu 11 and later) without setting the linker path.
+
+[6] The TurboJPEG Java wrapper should now find the JNI library on Mac systems
+without having to pass -Djava.library.path=/usr/lib to java.
+
+[7] TJBench has been ported to Java to provide a convenient way of validating
+the performance of the TurboJPEG Java API.  It can be run with
+'java -cp turbojpeg.jar TJBench'.
+
+[8] cjpeg can now be used to generate JPEG files with the RGB colorspace
+(feature ported from jpeg-8d.)
+
+[9] The width and height in the -crop argument passed to jpegtran can now be
+suffixed with "f" to indicate that, when the upper left corner of the cropping
+region is automatically moved to the nearest iMCU boundary, the bottom right
+corner should be moved by the same amount.  In other words, this feature causes
+jpegtran to strictly honor the specified width/height rather than the specified
+bottom right corner (feature ported from jpeg-8d.)
+
+[10] JPEG files using the RGB colorspace can now be decompressed into grayscale
+images (feature ported from jpeg-8d.)
+
+[11] Fixed a regression caused by 1.2.1[7] whereby the build would fail with
+multiple "Mismatch in operand sizes" errors when attempting to build the x86
+SIMD code with NASM 0.98.
+
+[12] The in-memory source/destination managers (jpeg_mem_src() and
+jpeg_mem_dest()) are now included by default when building libjpeg-turbo with
+libjpeg v6b or v7 emulation, so that programs can take advantage of these
+functions without requiring the use of the backward-incompatible libjpeg v8
+ABI.  The "age number" of the libjpeg-turbo library on Un*x systems has been
+incremented by 1 to reflect this.  You can disable this feature with a
+configure/CMake switch in order to retain strict API/ABI compatibility with the
+libjpeg v6b or v7 API/ABI (or with previous versions of libjpeg-turbo.)  See
+README-turbo.txt for more details.
+
+[13] Added ARMv7s architecture to libjpeg.a and libturbojpeg.a in the official
+libjpeg-turbo binary package for OS X, so that those libraries can be used to
+build applications that leverage the faster CPUs in the iPhone 5 and iPad 4.
+
+
+1.2.1
+=====
+
+[1] Creating or decoding a JPEG file that uses the RGB colorspace should now
+properly work when the input or output colorspace is one of the libjpeg-turbo
+colorspace extensions.
+
+[2] When libjpeg-turbo was built without SIMD support and merged (non-fancy)
+upsampling was used along with an alpha-enabled colorspace during
+decompression, the unused byte of the decompressed pixels was not being set to
+0xFF.  This has been fixed.  TJUnitTest has also been extended to test for the
+correct behavior of the colorspace extensions when merged upsampling is used.
+
+[3] Fixed a bug whereby the libjpeg-turbo SSE2 SIMD code would not preserve the
+upper 64 bits of xmm6 and xmm7 on Win64 platforms, which violated the Win64
+calling conventions.
+
+[4] Fixed a regression caused by 1.2.0[6] whereby decompressing corrupt JPEG
+images (specifically, images in which the component count was erroneously set
+to a large value) would cause libjpeg-turbo to segfault.
+
+[5] Worked around a severe performance issue with "Bobcat" (AMD Embedded APU)
+processors.  The MASKMOVDQU instruction, which was used by the libjpeg-turbo
+SSE2 SIMD code, is apparently implemented in microcode on AMD processors, and
+it is painfully slow on Bobcat processors in particular.  Eliminating the use
+of this instruction improved performance by an order of magnitude on Bobcat
+processors and by a small amount (typically 5%) on AMD desktop processors.
+
+[6] Added SIMD acceleration for performing 4:2:2 upsampling on NEON-capable ARM
+platforms.  This speeds up the decompression of 4:2:2 JPEGs by 20-25% on such
+platforms.
+
+[7] Fixed a regression caused by 1.2.0[2] whereby, on Linux/x86 platforms
+running the 32-bit SSE2 SIMD code in libjpeg-turbo, decompressing a 4:2:0 or
+4:2:2 JPEG image into a 32-bit (RGBX, BGRX, etc.) buffer without using fancy
+upsampling would produce several incorrect columns of pixels at the right-hand
+side of the output image if each row in the output image was not evenly
+divisible by 16 bytes.
+
+[8] Fixed an issue whereby attempting to build the SIMD extensions with Xcode
+4.3 on OS X platforms would cause NASM to return numerous errors of the form
+"'%define' expects a macro identifier".
+
+[9] 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.
+
+
+1.2.0
+=====
+
+[1] Fixed build issue with YASM on Unix systems (the libjpeg-turbo build system
+was not adding the current directory to the assembler include path, so YASM
+was not able to find jsimdcfg.inc.)
+
+[2] Fixed out-of-bounds read in SSE2 SIMD code that occurred when decompressing
+a JPEG image to a bitmap buffer whose size was not a multiple of 16 bytes.
+This was more of an annoyance than an actual bug, since it did not cause any
+actual run-time problems, but the issue showed up when running libjpeg-turbo in
+valgrind.  See http://crbug.com/72399 for more information.
+
+[3] Added a compile-time macro (LIBJPEG_TURBO_VERSION) that can be used to
+check the version of libjpeg-turbo against which an application was compiled.
+
+[4] Added new RGBA/BGRA/ABGR/ARGB colorspace extension constants (libjpeg API)
+and pixel formats (TurboJPEG API), which allow applications to specify that,
+when decompressing to a 4-component RGB buffer, the unused byte should be set
+to 0xFF so that it can be interpreted as an opaque alpha channel.
+
+[5] Fixed regression issue whereby DevIL failed to build against libjpeg-turbo
+because libjpeg-turbo's distributed version of jconfig.h contained an INLINE
+macro, which conflicted with a similar macro in DevIL.  This macro is used only
+internally when building libjpeg-turbo, so it was moved into config.h.
+
+[6] libjpeg-turbo will now correctly decompress erroneous CMYK/YCCK JPEGs whose
+K component is assigned a component ID of 1 instead of 4.  Although these files
+are in violation of the spec, other JPEG implementations handle them
+correctly.
+
+[7] Added ARMv6 and ARMv7 architectures to libjpeg.a and libturbojpeg.a in
+the official libjpeg-turbo binary package for OS X, so that those libraries can
+be used to build both OS X and iOS applications.
+
+
+1.1.90 (1.2 beta1)
+==================
+
+[1] Added a Java wrapper for the TurboJPEG API.  See java/README for more
+details.
+
+[2] The TurboJPEG API can now be used to scale down images during
+decompression.
+
+[3] Added SIMD routines for RGB-to-grayscale color conversion, which
+significantly improves the performance of grayscale JPEG compression from an
+RGB source image.
+
+[4] Improved the performance of the C color conversion routines, which are used
+on platforms for which SIMD acceleration is not available.
+
+[5] Added a function to the TurboJPEG API that performs lossless transforms.
+This function is implemented using the same back end as jpegtran, but it
+performs transcoding entirely in memory and allows multiple transforms and/or
+crop operations to be batched together, so the source coefficients only need to
+be read once.  This is useful when generating image tiles from a single source
+JPEG.
+
+[6] Added tests for the new TurboJPEG scaled decompression and lossless
+transform features to tjbench (the TurboJPEG benchmark, formerly called
+"jpgtest".)
+
+[7] Added support for 4:4:0 (transposed 4:2:2) subsampling in TurboJPEG, which
+was necessary in order for it to read 4:2:2 JPEG files that had been losslessly
+transposed or rotated 90 degrees.
+
+[8] All legacy VirtualGL code has been re-factored, and this has allowed
+libjpeg-turbo, in its entirety, to be re-licensed under a BSD-style license.
+
+[9] libjpeg-turbo can now be built with YASM.
+
+[10] Added SIMD acceleration for ARM Linux and iOS platforms that support
+NEON instructions.
+
+[11] Refactored the TurboJPEG C API and documented it using Doxygen.  The
+TurboJPEG 1.2 API uses pixel formats to define the size and component order of
+the uncompressed source/destination images, and it includes a more efficient
+version of TJBUFSIZE() that computes a worst-case JPEG size based on the level
+of chrominance subsampling.  The refactored implementation of the TurboJPEG API
+now uses the libjpeg memory source and destination managers, which allows the
+TurboJPEG compressor to grow the JPEG buffer as necessary.
+
+[12] Eliminated errors in the output of jpegtran on Windows that occurred when
+the application was invoked using I/O redirection
+(jpegtran <input.jpg >output.jpg).
+
+[13] The inclusion of libjpeg v7 and v8 emulation as well as arithmetic coding
+support in libjpeg-turbo v1.1.0 introduced several new error constants in
+jerror.h, and these were mistakenly enabled for all emulation modes, causing
+the error enum in libjpeg-turbo to sometimes have different values than the
+same enum in libjpeg.  This represents an ABI incompatibility, and it caused
+problems with rare applications that took specific action based on a particular
+error value.  The fix was to include the new error constants conditionally
+based on whether libjpeg v7 or v8 emulation was enabled.
+
+[14] Fixed an issue whereby Windows applications that used libjpeg-turbo would
+fail to compile if the Windows system headers were included before jpeglib.h.
+This issue was caused by a conflict in the definition of the INT32 type.
+
+[15] Fixed 32-bit supplementary package for amd64 Debian systems, which was
+broken by enhancements to the packaging system in 1.1.
+
+[16] When decompressing a JPEG image using an output colorspace of
+JCS_EXT_RGBX, JCS_EXT_BGRX, JCS_EXT_XBGR, or JCS_EXT_XRGB, libjpeg-turbo will
+now set the unused byte to 0xFF, which allows applications to interpret that
+byte as an alpha channel (0xFF = opaque).
+
+
+1.1.1
+=====
+
+[1] Fixed a 1-pixel error in row 0, column 21 of the luminance plane generated
+by tjEncodeYUV().
+
+[2] libjpeg-turbo's accelerated Huffman decoder previously ignored unexpected
+markers found in the middle of the JPEG data stream during decompression.  It
+will now hand off decoding of a particular block to the unaccelerated Huffman
+decoder if an unexpected marker is found, so that the unaccelerated Huffman
+decoder can generate an appropriate warning.
+
+[3] Older versions of MinGW64 prefixed symbol names with underscores by
+default, which differed from the behavior of 64-bit Visual C++.  MinGW64 1.0
+has adopted the behavior of 64-bit Visual C++ as the default, so to accommodate
+this, the libjpeg-turbo SIMD function names are no longer prefixed with an
+underscore when building with MinGW64.  This means that, when building
+libjpeg-turbo with older versions of MinGW64, you will now have to add
+-fno-leading-underscore to the CFLAGS.
+
+[4] Fixed a regression bug in the NSIS script that caused the Windows installer
+build to fail when using the Visual Studio IDE.
+
+[5] Fixed a bug in jpeg_read_coefficients() whereby it would not initialize
+cinfo->image_width and cinfo->image_height if libjpeg v7 or v8 emulation was
+enabled.  This specifically caused the jpegoptim program to fail if it was
+linked against a version of libjpeg-turbo that was built with libjpeg v7 or v8
+emulation.
+
+[6] Eliminated excessive I/O overhead that occurred when reading BMP files in
+cjpeg.
+
+[7] Eliminated errors in the output of cjpeg on Windows that occurred when the
+application was invoked using I/O redirection (cjpeg <inputfile >output.jpg).
+
+
 1.1.0
 =====
 
@@ -8,17 +586,17 @@ and libjpeg-turbo should now produce identical output to libjpeg v6b in all
 cases.
 
 [2] Despite the above, the fast integer forward DCT still degrades somewhat for
-JPEG qualities greater than 95, so TurboJPEG/OSS will now automatically use the
-slow integer forward DCT when generating JPEG images of quality 96 or greater.
-This reduces compression performance by as much as 15% for these high-quality
-images but is necessary to ensure that the images are perceptually lossless.
-It also ensures that the library can avoid the performance pitfall created by
-[1].
+JPEG qualities greater than 95, so the TurboJPEG wrapper will now automatically
+use the slow integer forward DCT when generating JPEG images of quality 96 or
+greater.  This reduces compression performance by as much as 15% for these
+high-quality images but is necessary to ensure that the images are perceptually
+lossless.  It also ensures that the library can avoid the performance pitfall
+created by [1].
 
 [3] Ported jpgtest.cxx to pure C to avoid the need for a C++ compiler.
 
 [4] Fixed visual artifacts in grayscale JPEG compression caused by a typo in
-the RGB-to-chrominance lookup tables.
+the RGB-to-luminance lookup tables.
 
 [5] The Windows distribution packages now include the libjpeg run-time programs
 (cjpeg, etc.)
@@ -39,7 +617,8 @@ README-turbo.txt for more details.  This feature was sponsored by CamTrace SAS.
 
 [2] Created a new CMake-based build system for the Visual C++ and MinGW builds.
 
-[3] TurboJPEG/OSS can now compress from/decompress to grayscale bitmaps.
+[3] Grayscale bitmaps can now be compressed from/decompressed to using the
+TurboJPEG API.
 
 [4] jpgtest can now be used to test decompression performance with existing
 JPEG images.
@@ -55,11 +634,12 @@ when the library is built with libjpeg v6b emulation.
 [7] Added arithmetic encoding and decoding support (can be disabled with
 configure or CMake options)
 
-[8] Added a TJ_YUV flag to TurboJPEG/OSS which causes both the compressor and
-decompressor to output planar YUV images.
+[8] Added a TJ_YUV flag to the TurboJPEG API, which causes both the compressor
+and decompressor to output planar YUV images.
 
-[9] Added an extended version of tjDecompressHeader() to TurboJPEG/OSS which
-allows the caller to determine the type of subsampling used in a JPEG image.
+[9] Added an extended version of tjDecompressHeader() to the TurboJPEG API,
+which allows the caller to determine the type of subsampling used in a JPEG
+image.
 
 [10] Added further protections against invalid Huffman codes.
 
@@ -71,7 +651,7 @@ allows the caller to determine the type of subsampling used in a JPEG image.
 from a corrupt JPEG image.)  Previously, these would cause libjpeg-turbo to
 crash under certain circumstances.
 
-[2] Fixed typo in SIMD dispatch routines which was causing 4:2:2 upsampling to
+[2] Fixed typo in SIMD dispatch routines that was causing 4:2:2 upsampling to
 be used instead of 4:2:0 when decompressing JPEG images using SSE2 code.
 
 [3] configure script will now automatically determine whether the
@@ -84,7 +664,7 @@ INCOMPLETE_TYPES_BROKEN macro should be defined.
 [1] 2983700: Further FreeBSD build tweaks (no longer necessary to specify
 --host when configuring on a 64-bit system)
 
-[2] Created sym. links in the Unix/Linux packages so that the TurboJPEG
+[2] Created symlinks in the Unix/Linux packages so that the TurboJPEG
 include file can always be found in /opt/libjpeg-turbo/include, the 32-bit
 static libraries can always be found in /opt/libjpeg-turbo/lib32, and the
 64-bit static libraries can always be found in /opt/libjpeg-turbo/lib64.
@@ -92,7 +672,7 @@ static libraries can always be found in /opt/libjpeg-turbo/lib32, and the
 [3] The Unix/Linux distribution packages now include the libjpeg run-time
 programs (cjpeg, etc.) and man pages.
 
-[4] Created a 32-bit supplementary package for amd64 Debian systems which
+[4] Created a 32-bit supplementary package for amd64 Debian systems, which
 contains just the 32-bit libjpeg-turbo libraries.
 
 [5] Moved the libraries from */lib32 to */lib in the i386 Debian package.

LGPL.txt

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LICENSE.txt

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-  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.
-
-

Makefile.am

@@ -1,11 +1,19 @@
-lib_LTLIBRARIES = libjpeg.la libturbojpeg.la
-libjpeg_la_LDFLAGS = -version-info ${SO_MAJOR_VERSION}:${SO_MINOR_VERSION} -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
 
+
 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 jpegcomp.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 \
@@ -17,36 +25,55 @@ libjpeg_la_SOURCES = $(HDRS) jcapimin.c jcapistd.c jccoefct.c jccolor.c \
 	jidctred.c jquant1.c jquant2.c jutils.c jmemmgr.c jmemnobs.c
 
 if WITH_ARITH
-
 libjpeg_la_SOURCES += jaricom.c
-
 endif
 
 if WITH_ARITH_ENC
-
 libjpeg_la_SOURCES += jcarith.c
-
 endif
 
 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 = $(libjpeg_la_SOURCES) turbojpegl.c turbojpeg.h \
-	turbojpeg-mapfile
+libturbojpeg_la_SOURCES += $(TJMAPFILE)
 
 if VERSION_SCRIPT
-
-libturbojpeg_la_LDFLAGS += $(VERSION_SCRIPT_FLAG)$(srcdir)/turbojpeg-mapfile
-libjpeg_la_LDFLAGS += $(VERSION_SCRIPT_FLAG)libjpeg.map
+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
 
@@ -56,34 +83,59 @@ libjpeg_la_SOURCES += jsimd_none.c
 
 endif
 
-TSTHDRS = rrutil.h rrtimer.h
 
-bin_PROGRAMS = cjpeg djpeg jpegtran rdjpgcom wrjpgcom jpgtest
-noinst_PROGRAMS = jpegut
+bin_PROGRAMS = cjpeg djpeg jpegtran rdjpgcom wrjpgcom
+noinst_PROGRAMS = jcstest
 
-jpgtest_SOURCES = $(TSTHDRS) jpgtest.c bmp.h bmp.c
 
-jpgtest_LDADD = libturbojpeg.la -lm
+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
 
@@ -97,162 +149,558 @@ wrjpgcom_SOURCES = wrjpgcom.c
 
 wrjpgcom_LDADD = libjpeg.la
 
+jcstest_SOURCES = jcstest.c
+
+jcstest_LDADD = libjpeg.la
 
 dist_man1_MANS = cjpeg.1 djpeg.1 jpegtran.1 rdjpgcom.1 wrjpgcom.1
 
-DOCS= README install.txt usage.txt wizard.txt example.c libjpeg.txt \
-	structure.txt coderules.txt filelist.txt jconfig.txt change.log \
-	README-turbo.txt rdrle.c wrrle.c LICENSE.txt LGPL.txt BUILDING.txt \
+DOCS= coderules.txt jconfig.txt change.log rdrle.c wrrle.c BUILDING.txt \
 	ChangeLog.txt
 
-TESTFILES= testorig.jpg testorig.ppm testimg.bmp testimgflt.jpg \
-	testimgfst.jpg testimgint.jpg testimgp.jpg testimgflt.ppm testimgfst.ppm \
-	testimgint.ppm testimgflt-nosimd.jpg testimgcrop.jpg testimgari.jpg \
-	testimgari.ppm testimgfst100.jpg
+dist_doc_DATA = README README-turbo.txt libjpeg.txt structure.txt usage.txt \
+	wizard.txt
 
-EXTRA_DIST = win release $(DOCS) $(TESTFILES) CMakeLists.txt \
-	sharedlib/CMakeLists.txt cmakescripts libjpeg.map.in
+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
 
 dist-hook:
 	rm -rf `find $(distdir) -name .svn`
 
 
-test: testclean all
-	./jpegut
-	./jpegut -yuv
-	./cjpeg -dct int -outfile testoutint.jpg $(srcdir)/testorig.ppm
-	cmp $(srcdir)/testimgint.jpg testoutint.jpg
-	./cjpeg -dct fast -opt -outfile testoutfst.jpg $(srcdir)/testorig.ppm
-	cmp $(srcdir)/testimgfst.jpg testoutfst.jpg
-	./cjpeg -dct fast -quality 100 -opt -outfile testoutfst100.jpg $(srcdir)/testorig.ppm
-	cmp $(srcdir)/testimgfst100.jpg testoutfst100.jpg
-	./cjpeg -dct float -outfile testoutflt.jpg $(srcdir)/testorig.ppm
-if WITH_SIMD
-	cmp $(srcdir)/testimgflt.jpg testoutflt.jpg
+SUBDIRS += md5
+
+if WITH_12BIT
+
+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_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_JPEG_CROP = cdb35ff4b4519392690ea040c56ea99c
+
 else
-	cmp $(srcdir)/testimgflt-nosimd.jpg testoutflt.jpg
+
+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-turbo.txt 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_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_JPEG_CROP = b4197f377e621c4e9b1d20471432610d
+
 endif
-	./djpeg -dct int -fast -ppm -outfile testoutint.ppm $(srcdir)/testorig.jpg
-	cmp $(srcdir)/testimgint.ppm testoutint.ppm
-	./djpeg -dct fast -ppm -outfile testoutfst.ppm $(srcdir)/testorig.jpg
-	cmp $(srcdir)/testimgfst.ppm testoutfst.ppm
-	./djpeg -dct float -ppm -outfile testoutflt.ppm $(srcdir)/testorig.jpg
-if WITH_SIMD
-	cmp $(srcdir)/testimgflt.ppm testoutflt.ppm
+
+.PHONY: test
+test: tjquicktest tjbittest bittest
+
+tjquicktest: testclean all
+
+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!
+
+tjbittest: testclean all
+
+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 >/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 testout_tile_GRAY_* testout_tile_420_* testout_tile_422_* testout_tile_444_*
+
+	./tjbench testout_tile.ppm 95 -rgb -fastupsample -quiet -tile -benchtime 0.01 >/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 testout_tile_GRAY_* testout_tile_420_* testout_tile_422_* testout_tile_444_* testout_tile.ppm
+	echo GREAT SUCCESS!
+
+endif
+
+bittest: testclean all
+
+# 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 testout_rgb_islow.ppm
+if WITH_12BIT
+	rm testout_rgb_islow.jpg
 else
-	cmp $(srcdir)/testorig.ppm testoutflt.ppm
+# 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 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 testout_rgb_islow_565D.bmp testout_rgb_islow.jpg
 endif
-	./djpeg -dct int -bmp -colors 256 -outfile testout.bmp  $(srcdir)/testorig.jpg
-	cmp $(srcdir)/testimg.bmp testout.bmp
+
+# 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 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 testout_422m_ifast.ppm
+if WITH_12BIT
+	rm 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 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 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 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 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 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 testout_gray_islow_rgb.ppm
+if WITH_12BIT
+	rm 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 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 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 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
+
+# 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 $(MD5_JPEG_3x2_FLOAT_PROG_32BIT) testout_3x2_float_prog.jpg; \
+	fi
+# CC: YCC->RGB  SAMP: fullsize/int  IDCT: float  ENT: prog huff
+	./djpeg -dct float -outfile testout_3x2_float.ppm testout_3x2_float_prog.jpg
+	if [ "${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; \
+	fi
+	rm 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 testout_3x2_ifast.ppm testout_3x2_ifast_prog.jpg
+
 if WITH_ARITH_ENC
-	./cjpeg -dct int -arithmetic -outfile testoutari.jpg $(srcdir)/testorig.ppm
-	cmp $(srcdir)/testimgari.jpg testoutari.jpg
-	./jpegtran -arithmetic -outfile testouta.jpg $(srcdir)/testimgint.jpg
-	cmp $(srcdir)/testimgari.jpg testouta.jpg
+# 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 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 testout_420_islow_ari.jpg
+# CC: YCC->RGB  SAMP: fullsize  FDCT: islow  ENT: prog arith
+	./cjpeg -sample 1x1 -dct int -progressive -arithmetic -outfile testout_444_islow_progari.jpg $(srcdir)/testimages/testorig.ppm
+	md5/md5cmp $(MD5_JPEG_444_ISLOW_PROGARI) testout_444_islow_progari.jpg
+	rm testout_444_islow_progari.jpg
 endif
 if WITH_ARITH_DEC
-	./djpeg -dct int -fast -ppm -outfile testoutari.ppm $(srcdir)/testimgari.jpg
-	cmp $(srcdir)/testimgari.ppm testoutari.ppm
-	./jpegtran -outfile testouta.jpg $(srcdir)/testimgari.jpg
-	cmp $(srcdir)/testimgint.jpg testouta.jpg
+# 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 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 testout_420_islow.jpg
 endif
-	./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
-	./jpegtran -crop 120x90+20+50 -transpose -perfect -outfile testoutcrop.jpg $(srcdir)/testorig.jpg
-	cmp $(srcdir)/testimgcrop.jpg testoutcrop.jpg
+
+# 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 testout_420m_islow_565D.bmp
+endif
+
+	./jpegtran -crop 120x90+20+50 -transpose -perfect -outfile testout_crop.jpg $(srcdir)/testimages/$(TESTORIG)
+	md5/md5cmp $(MD5_JPEG_CROP) testout_crop.jpg
+	rm testout_crop.jpg
+	echo GREAT SUCCESS!
 
 
 testclean:
 	rm -f testout*
-	rm -f *_GRAYQ[0-9]*.bmp
-	rm -f *_GRAYQ[0-9]*.ppm
-	rm -f *_GRAYQ[0-9]*.jpg
-	rm -f *_420Q[0-9]*.bmp
-	rm -f *_420Q[0-9]*.ppm
-	rm -f *_420Q[0-9]*.jpg
-	rm -f *_422Q[0-9]*.bmp
-	rm -f *_422Q[0-9]*.ppm
-	rm -f *_422Q[0-9]*.jpg
-	rm -f *_444Q[0-9]*.bmp
-	rm -f *_444Q[0-9]*.ppm
-	rm -f *_444Q[0-9]*.jpg
+	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
 
-if X86_64
-
-install-exec-hook:
-	__PREFIX=`echo ${prefix} | sed -e 's@\/*$$@@'`;  \
-	if [ "$$__PREFIX" = "/opt/libjpeg-turbo" ]; then  \
-		cd $(DESTDIR)/${prefix};  \
-		if [ -d lib -a ! -d lib64 -a ! -h lib64 ]; then  \
-			$(LN_S) lib lib64;  \
-		fi  \
-	fi
-
-else
-
-install-exec-hook:
-	__PREFIX=`echo ${prefix} | sed -e 's@\/*$$@@'`;  \
-	if [ "$$__PREFIX" = "/opt/libjpeg-turbo" ]; then  \
-		cd $(DESTDIR)/${prefix};  \
-		if [ -d lib -a ! -d lib32 -a ! -h lib32 ]; then  \
-			$(LN_S) lib lib32;  \
-		fi  \
-	fi
 
+tjtest:
+	sh ./tjbenchtest
+	sh ./tjbenchtest -alloc
+	sh ./tjbenchtest -yuv
+	sh ./tjbenchtest -yuv -alloc
+if WITH_JAVA
+	sh ./tjbenchtest.java
+	sh ./tjbenchtest.java -yuv
 endif
 
-rpm: all
+
+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 ${PACKAGE_NAME}.${RPMARCH}.rpm; \
+	rm -f ${PKGNAME}-${VERSION}.${RPMARCH}.rpm; \
 	rpmbuild -bb --define "_blddir $$TMPDIR/buildroot"  \
-		--define "_topdir $$TMPDIR" --define "_srcdir ${srcdir}" \
-		--target ${RPMARCH} libjpeg-turbo.spec; \
-	cp $$TMPDIR/RPMS/${RPMARCH}/${PACKAGE_NAME}-${VERSION}-${BUILD}.${RPMARCH}.rpm ${PACKAGE_NAME}.${RPMARCH}.rpm; \
+		--define "_topdir $$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
+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 $$TMPDIR/SPECS; \
-	rm -f ${PACKAGE_NAME}.src.rpm; \
+	rm -f ${PKGNAME}-${VERSION}.src.rpm; \
 	cp ${PACKAGE_NAME}-${VERSION}.tar.gz $$TMPDIR/SOURCES; \
-	cat libjpeg-turbo.spec | sed s/%{_blddir}/%{_tmppath}/g \
-		| sed s@%{_srcdir}/@@g | sed s/#--\>//g \
+	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/${PACKAGE_NAME}-${VERSION}-${BUILD}.src.rpm ${PACKAGE_NAME}.src.rpm; \
+	cp $$TMPDIR/SRPMS/${PKGNAME}-${VERSION}-${BUILD}.src.rpm \
+		${PKGNAME}-${VERSION}.src.rpm; \
 	rm -rf $$TMPDIR
 
-deb: all
-	sh $(srcdir)/release/makedpkg ${PACKAGE_NAME} ${VERSION} ${BUILD} \
-		${DEBARCH} ${srcdir}
+pkgscripts/makedpkg: pkgscripts/makedpkg.tmpl
+	cat pkgscripts/makedpkg.tmpl | sed s@%{__prefix}@$(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
-	sh makemacpkg universal ${BUILDDIR32}
+udmg: all pkgscripts/makemacpkg pkgscripts/uninstall
+	sh pkgscripts/makemacpkg -build32 ${BUILDDIR32}
+
+iosdmg: all pkgscripts/makemacpkg pkgscripts/uninstall
+	sh pkgscripts/makemacpkg -build32 ${BUILDDIR32} -buildarmv6 ${BUILDDIRARMV6} -buildarmv7 ${BUILDDIRARMV7} -buildarmv7s ${BUILDDIRARMV7S} -buildarmv8 ${BUILDDIRARMV8} -lipo "${LIPO}"
+
+else
+
+iosdmg: all pkgscripts/makemacpkg pkgscripts/uninstall
+	sh pkgscripts/makemacpkg -buildarmv6 ${BUILDDIRARMV6} -buildarmv7 ${BUILDDIRARMV7} -buildarmv7s ${BUILDDIRARMV7S} -buildarmv8 ${BUILDDIRARMV8} -lipo "${LIPO}"
 
 endif
 
-dmg: all
-	sh makemacpkg
+dmg: all pkgscripts/makemacpkg pkgscripts/uninstall
+	sh pkgscripts/makemacpkg
 
-if X86_64
+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
 
-csunpkg: all
-	sh makesunpkg combined ${BUILDDIR32}
-
-endif
-
-sunpkg: all
-	sh makesunpkg
-
-cygwinpkg: all
-	sh $(srcdir)/release/makecygwinpkg ${PACKAGE_NAME} ${VERSION} ${srcdir}
+cygwinpkg: all pkgscripts/makecygwinpkg
+	sh pkgscripts/makecygwinpkg

README

@@ -1,7 +1,8 @@
-libjpeg-turbo note:  This file is mostly taken from the libjpeg v8b README
-file, and it is included only for reference.  Some parts of it may not apply to
-libjpeg-turbo.  Please see README-turbo.txt for information specific to the
-turbo version.
+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-turbo.txt for
+information specific to libjpeg-turbo.
 
 
 The Independent JPEG Group's JPEG software
@@ -16,7 +17,8 @@ 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 official ISO JPEG standards committee.
+IJG is not affiliated with the ISO/IEC JTC1/SC29/WG1 standards committee
+(also known as JPEG, together with ITU-T SG16).
 
 
 DOCUMENTATION ROADMAP
@@ -34,7 +36,6 @@ TO DO               Plans for future IJG releases.
 Other documentation files in the distribution are:
 
 User documentation:
-  install.txt       How to configure and install the IJG software.
   usage.txt         Usage instructions for cjpeg, djpeg, jpegtran,
                     rdjpgcom, and wrjpgcom.
   *.1               Unix-style man pages for programs (same info as usage.txt).
@@ -44,12 +45,11 @@ 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.
-  filelist.txt      Road map of IJG files.
   coderules.txt     Coding style rules --- please read if you contribute code.
 
-Please read at least the files install.txt and 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.
+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
@@ -61,8 +61,8 @@ 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 gray-scale images.  JPEG's strong suit is compressing
-photographic images or other types of images which have smooth color and
+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
@@ -128,7 +128,7 @@ 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) 1991-2010, Thomas G. Lane, Guido Vollbeding.
+This software is copyright (C) 1991-2012, Thomas G. Lane, Guido Vollbeding.
 All Rights Reserved except as specified below.
 
 Permission is hereby granted to use, copy, modify, and distribute this
@@ -159,15 +159,6 @@ 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,
@@ -256,8 +247,8 @@ 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".  This particular version will be archived as
-http://www.ijg.org/files/jpegsrc.v8b.tar.gz, and in Windows-compatible
-"zip" archive format as http://www.ijg.org/files/jpegsr8b.zip.
+http://www.ijg.org/files/jpegsrc.v8d.tar.gz, and in Windows-compatible
+"zip" archive format as http://www.ijg.org/files/jpegsr8d.zip.
 
 The JPEG FAQ (Frequently Asked Questions) article is a source of some
 general information about JPEG.
@@ -273,11 +264,12 @@ with body
 FILE FORMAT WARS
 ================
 
-The ISO JPEG standards committee actually promotes different formats like
-"JPEG 2000" or "JPEG XR" 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.
+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.)
@@ -286,4 +278,4 @@ image files indefinitely.)
 TO DO
 =====
 
-Please send bug reports, offers of help, etc. to jpeg-info@uc.ag.
+Please send bug reports, offers of help, etc. to jpeg-info@jpegclub.org.

README-turbo.txt

@@ -2,186 +2,92 @@
 **     Background
 *******************************************************************************
 
-libjpeg-turbo is a derivative of libjpeg which uses SIMD instructions (MMX,
-SSE2, etc.) to accelerate baseline JPEG compression and decompression on x86
-and x86-64 systems.  On such systems, libjpeg-turbo is generally 2-4x as fast
-as the unmodified version of libjpeg, all else being equal.
+libjpeg-turbo is a JPEG image codec that uses SIMD instructions (MMX, SSE2,
+NEON) to accelerate baseline JPEG compression and decompression on x86, x86-64,
+and ARM systems.  On such systems, libjpeg-turbo is generally 2-4x 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 was originally based on libjpeg/SIMD by Miyasaka Masaru, but
-the TigerVNC and VirtualGL projects made numerous enhancements to the codec in
-2009, including improved support for Mac OS X, 64-bit support, support for
-32-bit and big endian pixel formats (RGBX, XBGR, etc.), 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.
+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.
 
-In early 2010, libjpeg-turbo spun off into its own independent project, with
-the goal of making high-speed JPEG compression/decompression technology
-available to a broader range of users and developers.  The libjpeg-turbo shared
-libraries can be used as drop-in replacements for libjpeg on most systems.
+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
 *******************************************************************************
 
-The TurboJPEG/OSS wrapper, as well as some of the optimizations to the Huffman
-encoder (jchuff.c) and decoder (jdhuff.c), were borrowed from VirtualGL, and
-thus any distribution of libjpeg-turbo which includes those files must, as a
-whole, be subject to the terms of the wxWindows Library Licence, Version 3.1.
-A copy of this license can be found in this directory under LICENSE.txt.  The
-wxWindows Library License is based on the LGPL but includes provisions which
-allow the Library to be statically linked into proprietary libraries and
-applications without requiring the resulting binaries to be distributed under
-the terms of the LGPL.
+Most of libjpeg-turbo inherits the non-restrictive, BSD-style license used by
+libjpeg (see README.)  The TurboJPEG wrapper (both C and Java versions) and
+associated test programs bear a similar license, which is reproduced below:
 
-The rest of the source code, apart from TurboJPEG/OSS and the Huffman codec
-optimizations, falls under a less restrictive, BSD-style license (see README.)
-You can choose to distribute libjpeg-turbo, as a whole, under this BSD-style
-license by simply removing TurboJPEG/OSS and replacing the optimized jchuff.c
-and jdhuff.c with their unoptimized counterparts from the libjpeg v6b source.
+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.
 
 
 *******************************************************************************
 **     Using libjpeg-turbo
 *******************************************************************************
 
-=============================
-Replacing libjpeg at Run Time
-=============================
+libjpeg-turbo includes two APIs that can be used to compress and decompress
+JPEG images:
 
-If a Unix application is dynamically linked with libjpeg, then you can replace
-libjpeg with libjpeg-turbo at run time by manipulating LD_LIBRARY_PATH.
-For instance:
+  TurboJPEG API:  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.
 
-  [Using libjpeg]
-  > time cjpeg <vgl_5674_0098.ppm >vgl_5674_0098.jpg
-  real  0m0.392s
-  user  0m0.074s
-  sys   0m0.020s
+  libjpeg API:  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.)
 
-  [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/64, 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 libjpeg-turbo SDK for Visual C++ installs the libjpeg-turbo DLL
-(jpeg62.dll, jpeg7.dll, or jpeg8.dll, depending on whether libjpeg v6b, v7, or
-v8 emulation is enabled) into c:\libjpeg-turbo[64]\bin, and the PATH
-environment variable can be modified such that this directory is searched
-before any others that might contain a libjpeg DLL.  However, if a libjpeg
-DLL exists in an application's install directory, then Windows will load this
-DLL first whenever the application is launched.  Thus, if an application ships
-with jpeg62.dll, jpeg7.dll, or jpeg8.dll, then back up the application's
-version of this DLL and copy c:\libjpeg-turbo[64]\bin\jpeg*.dll into the
-application's install directory to accelerate it.
-
-The version of the libjpeg-turbo DLL distributed in the libjpeg-turbo SDK for
-Visual C++ requires the Visual C++ 2008 C run time DLL (msvcr90.dll).
-msvcr90.dll ships with more recent versions of Windows, but users of older
-Windows releases 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 version of the libjpeg-turbo DLL distributed in the libjpeg-turbo SDK for
-Visual C++, 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 the libjpeg 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.*.dylib from libjpeg-turbo 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 TurboVNC 0.6 (and prior.)  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 0.x 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 contained 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 0.6 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 TurboVNC 1.0 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 (including Cygwin), you can build against
-libjpeg-turbo instead of libjpeg by setting
-
-  CPATH=/opt/libjpeg-turbo/include
-  and
-  LIBRARY_PATH=/opt/libjpeg-turbo/{lib}
-
-({lib} = lib32 or lib64, depending on whether you are building a 32-bit or a
-64-bit application.)
-
-If using MinGW, then set
-
-  CPATH=/c/libjpeg-turbo-gcc[64]/include
-  and
-  LIBRARY_PATH=/c/libjpeg-turbo-gcc[64]/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
-LD_LIBRARY_PATH or create appropriate sym links 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[64]\include to the system or user INCLUDE environment
-variable and c:\libjpeg-turbo[64]\lib to the system or user LIB environment
-variable, and then link against either jpeg.lib (to use the DLL version of
-libjpeg-turbo) or jpeg-static.lib (to use the static version of libjpeg-turbo.)
+There is no significant performance advantage to either API when both are used
+to perform similar operations.
 
 =====================
 Colorspace Extensions
 =====================
 
-libjpeg-turbo includes extensions which allow JPEG images to be compressed
-directly from (and decompressed directly to) buffers which use BGR, BGRX,
-RGBX, XBGR, and XRGB pixel ordering.  This is implemented with six new
+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 */
@@ -190,55 +96,82 @@ colorspace constants:
   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 YUV conversion is performed.
+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 version of libjpeg
-that doesn't support them will result in a "Bogus input colorspace" error.
+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.
 
-=================================
-libjpeg v7 and v8 API/ABI support
-=================================
+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.
 
-libjpeg v7 and v8 added new features to the API/ABI, and, unfortunately, the
-compression and decompression structures were extended in a backward-
-incompatible manner to accommodate these features.  Thus, programs which are
+Your application can check for the existence of the alpha channel colorspace
+extensions at compile time with:
+
+  #ifdef JCS_ALPHA_EXTENSIONS
+
+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 still not
-as widely used as v6b, enough programs (including a few Linux distros) have
-made the switch that it was desirable to provide support for the libjpeg v7/v8
-API/ABI in libjpeg-turbo.
-
-Some of the libjpeg v7 and v8 features -- DCT scaling, to name one -- involve
-deep modifications to the code which cannot be accommodated by libjpeg-turbo
-without either breaking compatibility with libjpeg v6b or producing an
-unsupportable mess.  In order to fully support libjpeg v8 with all of its
-features, we would have to essentially port the SIMD extensions to the libjpeg
-v8 code base and maintain two separate code trees.  We are hesitant to do this
-until/unless the newer libjpeg code bases garner more community support and
-involvement and until/unless we have some notion of whether future libjpeg
-releases will also be backward-incompatible.
+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 which emulates the libjpeg v7 or v8 API/ABI, so that programs
-which are built against libjpeg v7 or v8 can be run with libjpeg-turbo.  The
+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.
 
-libjpeg v7 and v8 Features:
----------------------------
+Support for libjpeg v7 and v8 Features:
+---------------------------------------
 
 Fully supported:
 
+-- libjpeg: IDCT scaling extensions in decompressor
+   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
+   See notes below.
+
 -- cjpeg: Separate quality settings for luminance and chrominance
    Note that the libpjeg v7+ API was extended to accommodate this feature only
    for convenience purposes.  It has always been possible to implement this
@@ -246,38 +179,164 @@ Fully supported:
 
 -- 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
 
 
-Fully supported when using libjpeg v7/v8 emulation:
-
--- libjpeg: In-memory source and destination managers
-
-
 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
    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: IDCT scaling extensions in decompressor
-   libjpeg-turbo still supports IDCT scaling with scaling factors of 1/2, 1/4,
-   and 1/8 (same as libjpeg v6b.)
+-- libjpeg: SmartScale
+   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
    cinfo.do_fancy_downsampling is silently ignored.
+   This requires the DCT scaling feature, which is not supported.
 
 -- jpegtran: Scaling
-   Seems to depend on the DCT scaling feature, which isn't supported.
+   This requires both the DCT scaling and SmartScale features, which are not
+   supported.
+
+-- Lossless RGB JPEG files
+   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.  Further, 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.  Thus, at this time, it is our belief that
+there is not sufficient technical justification for software to upgrade from
+libjpeg v8 to libjpeg v9, and therefore, 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 62.0.0 to 62.1.0 if using libjpeg v6b API/ABI
+emulation and from 7.0.0 to 7.1.0 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.
 
 
 *******************************************************************************
-**     Performance pitfalls
+**     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
 *******************************************************************************
 
 ===============
@@ -285,12 +344,13 @@ Restart Markers
 ===============
 
 The optimized Huffman decoder in libjpeg-turbo does not handle restart markers
-in a way that makes libjpeg 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 much greater than that of libjpeg v6b.  Many
-consumer packages, such as PhotoShop, use restart markers when generating JPEG
-images, so images generated by those programs will experience this issue.
+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

acinclude.m4

@@ -3,7 +3,7 @@
 # Check that NASM exists and determine flags
 AC_DEFUN([AC_PROG_NASM],[
 
-AC_CHECK_PROGS(NASM, [nasm nasmw])
+AC_CHECK_PROGS(NASM, [nasm nasmw yasm])
 test -z "$NASM" && AC_MSG_ERROR([no nasm (Netwide Assembler) found])
 
 AC_MSG_CHECKING([for object file format of host system])
@@ -40,7 +40,7 @@ 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
@@ -134,3 +134,114 @@ 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="$CCAS"
+  AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
+    .text
+    .arch armv8-a+fp+simd
+    movi v0.16b, #100]])], ac_good_gnu_arm_assembler=yes)
+
+  ac_use_gas_preprocessor=no
+  if test "x$ac_good_gnu_arm_assembler" = "xno" ; then
+    CC="gas-preprocessor.pl $CCAS"
+    AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
+      .text
+      .arch armv8-a+fp+simd
+      movi v0.16b, #100]])], ac_use_gas_preprocessor=yes)
+  fi
+  CFLAGS="$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
+])

bmp.c

@@ -1,370 +1,334 @@
-/* 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;
+	my_error_ptr myerr=(my_error_ptr)cinfo->err;
+	(*cinfo->err->output_message)(cinfo);
+	longjmp(myerr->setjmp_buffer, 1);
+}
 
-	srcptr=flip? &srcbuf[srcpitch*(h-1)]:srcbuf;
-	for(j=0, dstptr=dstbuf; j<h; j++,
-		srcptr+=flip? -srcpitch:srcpitch, dstptr+=dstpitch)
+/* Based on output_message() in jerror.c */
+
+static void my_output_message(j_common_ptr cinfo)
 {
-		for(i=0, srcptr0=srcptr, dstptr0=dstptr; i<w; i++,
-			srcptr0+=ps[srcformat], dstptr0+=ps[dstformat])
+	(*cinfo->err->format_message)(cinfo, errStr);
+}
+
+#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;}
+
+
+static void pixelconvert(unsigned char *srcbuf, int srcpf, int srcbottomup,
+	unsigned char *dstbuf, int dstpf, int dstbottomup, int w, int h)
 {
-			dstptr0[roffset[dstformat]]=srcptr0[roffset[srcformat]];
-			dstptr0[goffset[dstformat]]=srcptr0[goffset[srcformat]];
-			dstptr0[boffset[dstformat]]=srcptr0[boffset[srcformat]];
+	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)
+	{
+		for(row=0; row<h; row++, srcrowptr+=srcstride, dstrowptr+=dststride)
+		{
+			for(col=0, srccolptr=srcrowptr, dstcolptr=dstrowptr;
+				col<w; col++, srccolptr+=srcps)
+			{
+				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);
 			}
 		}
 	}
-
-int loadppm(int *fd, unsigned char **buf, int *w, int *h,
-	enum BMPPIXELFORMAT f, int align, int dstbottomup, int ascii)
+	else if(srcpf==TJPF_CMYK)
 	{
-	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;
-
-	if((fs=fdopen(*fd, "r"))==NULL) _throw(strerror(errno));
-
-	do
+		for(row=0; row<h; row++, srcrowptr+=srcstride, dstrowptr+=dststride)
 		{
-		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(col=0, srccolptr=srcrowptr, dstcolptr=dstrowptr;
+				col<w; col++, dstcolptr+=dstps)
 			{
-			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++)
-			{
-				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=(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 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;
+	if(setjmp(jerr.setjmp_buffer))
+	{
+		/* If we get here, the JPEG code has signaled an error. */
+		retval=-1;  goto bailout;
 	}
 
-int savebmp(char *filename, unsigned char *buf, int w, int h,
-	enum BMPPIXELFORMAT f, int srcpitch, int srcbottomup)
+	jpeg_create_decompress(&dinfo);
+	if(srcpf==TJPF_GRAY)
 	{
-	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)
+		dinfo.out_color_components=dinfo.output_components=1;
+		dinfo.out_color_space=JCS_GRAYSCALE;
+	}
+	else
 	{
-		if(!stricmp(temp, ".ppm"))
-			return saveppm(filename, buf, w, h, f, srcpitch, srcbottomup);
+		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");
 	}
 
-	_unix(fd=open(filename, flags, mode));
-	dstpitch=((w*3)+3)&(~3);
+	dst->output_file=file;
+	(*dst->start_output)(&dinfo, dst);
+	(*dinfo.mem->realize_virt_arrays)((j_common_ptr)&dinfo);
 
-	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(srcpf==TJPF_GRAY) dstpf=srcpf;
+	else dstpf=TJPF_RGB;
+	srcps=tjPixelSize[srcpf];
 
-	if(!littleendian())
+	while(dinfo.output_scanline<dinfo.output_height)
 	{
-		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);
+		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;
 	}
 
-	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->finish_output)(&dinfo, dst);
 
-	if((tempbuf=(unsigned char *)malloc(dstpitch*h))==NULL)
-		_throw("Memory allocation error");
-
-	pixelconvert(buf, f, srcpitch, tempbuf, BMP_BGR, dstpitch, w, h, 
-		!srcbottomup);
-
-	if((byteswritten=write(fd, tempbuf, dstpitch*h))!=dstpitch*h)
-		_throw(strerror(errno));
-
-	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;
 }

bmp.h

@@ -1,49 +1,42 @@
-/* Copyright (C)2004 Landmark Graphics Corporation
- * Copyright (C)2005 Sun Microsystems, Inc.
- * Copyright (C)2011 D. R. Commander
+/*
+ * 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.
+ * - 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.
  */
 
-// This provides rudimentary facilities for loading and saving true color
-// BMP and PPM files
-
 #ifndef __BMP_H__
 #define __BMP_H__
 
-#define BMPPIXELFORMATS 6
-enum BMPPIXELFORMAT {BMP_RGB=0, BMP_RGBX, BMP_BGR, BMP_BGRX, BMP_XBGR, BMP_XRGB};
+#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

cdjpeg.c

@@ -1,8 +1,10 @@
 /*
  * 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.
+ * 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 file.
  *
  * This file contains common support routines used by the IJG application
@@ -11,9 +13,6 @@
 
 #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
 #ifdef USE_SETMODE
 #include <fcntl.h>              /* to declare setmode()'s parameter macros */
 /* If you have setmode() but not <io.h>, just delete this line: */
@@ -21,43 +20,6 @@
 #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
-}
-
-#endif
-
-
 /*
  * Optional progress monitor: display a percent-done figure on stderr.
  */

cdjpeg.h

@@ -1,8 +1,10 @@
 /*
  * 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.
+ * 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 file.
  *
  * This file contains common declarations for the sample applications
@@ -24,12 +26,9 @@
 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;
 
@@ -48,15 +47,12 @@ 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);
 
   /* Target file spec; filled in by djpeg.c after object is created. */
   FILE * output_file;
@@ -89,69 +85,43 @@ struct cdjpeg_progress_mgr {
 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_quality_ratings     SetQRates
-#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,
-				       boolean force_baseline));
-EXTERN(boolean) read_scan_script JPP((j_compress_ptr cinfo, char * filename));
-EXTERN(boolean) set_quality_ratings JPP((j_compress_ptr cinfo, char *arg,
-					 boolean force_baseline));
-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 */
 
@@ -159,29 +129,16 @@ EXTERN(FILE *) write_stdout JPP((void));
 #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
-#endif
 
 #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

change.log

@@ -1,6 +1,21 @@
+NOTE:  This file was modified by The libjpeg-turbo Project to include only
+information relevant to libjpeg-turbo.
+
 CHANGE LOG for Independent JPEG Group's JPEG software
 
 
+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
 -----------------------
 
@@ -31,6 +46,9 @@ 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).

cjpeg.1

@@ -1,4 +1,4 @@
-.TH CJPEG 1 "11 October 2010"
+.TH CJPEG 1 "21 November 2014"
 .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,
@@ -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.
@@ -121,7 +126,7 @@ 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 which should be assigned to the
+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,
@@ -150,19 +155,38 @@ about the same --- often a little smaller.
 .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
@@ -184,6 +208,11 @@ selects 4000000 bytes.  If more space is needed, temporary files will be used.
 .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
@@ -192,6 +221,9 @@ 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
@@ -214,12 +246,6 @@ visibly blur the image, however.
 .PP
 Switches for wizards:
 .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 \-baseline
 Force baseline-compatible quantization tables to be generated.  This clamps
 quantization values to 8 bits even at low quality settings.  (This switch is
@@ -308,6 +334,10 @@ 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
+.PP
+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 BUGS
 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

cjpeg.c

@@ -1,10 +1,11 @@
 /*
  * cjpeg.c
  *
+ * This file was part of the Independent JPEG Group's software:
  * Copyright (C) 1991-1998, Thomas G. Lane.
- * Modified 2003-2008 by Guido Vollbeding.
- * Copyright (C) 2010, D. R. Commander.
- * This file is part of the Independent JPEG Group's software.
+ * Modified 2003-2011 by Guido Vollbeding.
+ * libjpeg-turbo Modifications:
+ * Copyright (C) 2010, 2013-2014, D. R. Commander.
  * For conditions of distribution and use, see the accompanying README file.
  *
  * This file contains a command-line user interface for the JPEG compressor.
@@ -27,7 +28,7 @@
 
 #include "cdjpeg.h"             /* Common decls for cjpeg/djpeg applications */
 #include "jversion.h"           /* for version message */
-#include "config.h"
+#include "jconfigint.h"
 
 #ifdef USE_CCOMMAND             /* command-line reader for Macintosh */
 #ifdef __MWERKS__
@@ -138,6 +139,7 @@ select_file_type (j_compress_ptr cinfo, FILE * infile)
 
 static const char * progname;   /* program name for error messages */
 static char * outfilename;      /* for -outfile switch */
+boolean memdst;  /* for -memdst switch */
 
 
 LOCAL(void)
@@ -154,6 +156,7 @@ usage (void)
   fprintf(stderr, "Switches (names may be abbreviated):\n");
   fprintf(stderr, "  -quality N[,...]   Compression quality (0..100; 5-95 is useful range)\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
@@ -164,6 +167,9 @@ 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)" : ""));
@@ -182,11 +188,12 @@ 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, "  -qslots N[,...]    Set component quantization tables\n");
@@ -226,6 +233,7 @@ parse_switches (j_compress_ptr cinfo, int argc, char **argv,
   simple_progressive = FALSE;
   is_targa = FALSE;
   outfilename = NULL;
+  memdst = FALSE;
   cinfo->err->trace_level = 0;
 
   /* Scan command line options, adjust parameters */
@@ -277,17 +285,26 @@ parse_switches (j_compress_ptr cinfo, int argc, char **argv,
       if (! printed_version) {
         fprintf(stderr, "%s version %s (build %s)\n",
                 PACKAGE_NAME, VERSION, BUILD);
-	fprintf(stderr, "%s\n\n", LJTCOPYRIGHT);
-	fprintf(stderr, "Based on Independent JPEG Group's libjpeg, version %s\n%s\n\n",
-		JVERSION, JCOPYRIGHT);
+        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;
@@ -306,7 +323,7 @@ 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",
+      fprintf(stderr, "%s: sorry, entropy optimization was not compiled in\n",
               progname);
       exit(EXIT_FAILURE);
 #endif
@@ -323,7 +340,17 @@ 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",
+      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
@@ -388,7 +415,7 @@ parse_switches (j_compress_ptr cinfo, int argc, char **argv,
       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",
+      fprintf(stderr, "%s: sorry, multi-scan output was not compiled in\n",
               progname);
       exit(EXIT_FAILURE);
 #endif
@@ -467,7 +494,9 @@ main (int argc, char **argv)
   int file_index;
   cjpeg_source_ptr src_mgr;
   FILE * input_file;
-  FILE * output_file;
+  FILE * output_file = NULL;
+  unsigned char *outbuffer = NULL;
+  unsigned long outsize = 0;
   JDIMENSION num_scanlines;
 
   /* On Mac, fetch a command line. */
@@ -487,11 +516,6 @@ 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,
@@ -510,6 +534,7 @@ main (int argc, char **argv)
   file_index = parse_switches(&cinfo, argc, argv, 0, FALSE);
 
 #ifdef TWO_FILE_COMMANDLINE
+  if (!memdst) {
     /* Must have either -outfile switch or explicit output file name */
     if (outfilename == NULL) {
       if (file_index != argc-2) {
@@ -525,6 +550,7 @@ main (int argc, char **argv)
         usage();
       }
     }
+  }
 #else
   /* Unix style: expect zero or one file name */
   if (file_index < argc-1) {
@@ -550,7 +576,7 @@ 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();
   }
@@ -573,6 +599,11 @@ main (int argc, char **argv)
   file_index = parse_switches(&cinfo, argc, argv, 0, TRUE);
 
   /* Specify data destination for compression */
+#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 */
@@ -592,13 +623,19 @@ 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 */

cmakescripts/getdate.bat

@@ -1,3 +0,0 @@
-@echo off
-for /f "tokens=1-4 eol=/ DELIMS=/ " %%i in ('date /t') do set BUILD=%%l%%j%%k
-echo %BUILD%

cmakescripts/md5cmp.cmake

@@ -0,0 +1,15 @@
+if(NOT MD5)
+  message(FATAL_ERROR "MD5 not specified")
+endif()
+
+if(NOT FILE)
+  message(FATAL_ERROR "FILE not specified")
+endif()
+
+file(MD5 ${FILE} MD5FILE)
+
+if(NOT MD5 STREQUAL MD5FILE)
+	message(FATAL_ERROR "MD5 of ${FILE} should be ${MD5}, not ${MD5FILE}.")
+else()
+	message(STATUS "${MD5}: OK")
+endif()

cmakescripts/testclean.cmake

@@ -0,0 +1,34 @@
+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)
+
+if(NOT FILES STREQUAL "")
+  message(STATUS "Removing test files")
+  file(REMOVE ${FILES})
+else()
+  message(STATUS "No files to remove")
+endif()

coderules.txt

@@ -1,7 +1,9 @@
 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.
+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 file.
 
 
@@ -32,22 +34,7 @@ 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,
@@ -94,9 +57,7 @@ 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.
@@ -107,10 +68,9 @@ 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

configure.ac

@@ -2,30 +2,83 @@
 # Process this file with autoconf to produce a configure script.
 
 AC_PREREQ([2.56])
-AC_INIT([libjpeg-turbo], [1.1.0])
+AC_INIT([libjpeg-turbo], [1.4.1])
 BUILD=`date +%Y%m%d`
 
 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])
+m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 
 # Checks for programs.
 SAVED_CFLAGS=${CFLAGS}
 SAVED_CPPFLAGS=${CPPFLAGS}
 AC_PROG_CPP
 AC_PROG_CC
+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
 
+# 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='${datadir}/doc'
+fi
+
+old_exec_prefix=${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.])])
+   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
@@ -47,8 +100,9 @@ fi
 
 # 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
@@ -80,39 +134,25 @@ AC_TRY_RUN(
      exit(is_shifting_signed(-0x7F7E80B1L));
    }],
   [AC_MSG_RESULT(no)
-	 AC_DEFINE([RIGHT_SHIFT_IS_UNSIGNED], 1, [Define if shift is unsigned])],
+   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.)])
 
-# 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])])
-
 # Checks for library functions.
 AC_CHECK_FUNCS([memset memcpy], [],
   [AC_DEFINE([NEED_BSD_STRINGS], 1,
-		   [Define if you have BSD-like bzero and bcopy])])
-
-# 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"])
+     [Define if you have BSD-like bzero and bcopy in <strings.h> rather than memset/memcpy in <string.h>.])])
 
 AC_MSG_CHECKING([libjpeg API version])
 AC_ARG_VAR(JPEG_LIB_VERSION, [libjpeg API version (62, 70, or 80)])
 if test "x$JPEG_LIB_VERSION" = "x"; then
   AC_ARG_WITH([jpeg7],
-        AC_HELP_STRING([--with-jpeg7], [Emulate libjpeg v7 API/ABI (this makes libjpeg-turbo backward incompatible with libjpeg v6b.)]))
+    AC_HELP_STRING([--with-jpeg7],
+      [Emulate libjpeg v7 API/ABI (this makes libjpeg-turbo backward incompatible with libjpeg v6b.)]))
   AC_ARG_WITH([jpeg8],
-        AC_HELP_STRING([--with-jpeg8], [Emulate libjpeg v8 API/ABI (this makes libjpeg-turbo backward incompatible with libjpeg v6b.)]))
+    AC_HELP_STRING([--with-jpeg8],
+      [Emulate libjpeg v8 API/ABI (this makes libjpeg-turbo backward incompatible with libjpeg v6b.)]))
   if test "x${with_jpeg8}" = "xyes"; then
     JPEG_LIB_VERSION=80
   else
@@ -126,11 +166,13 @@ 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, [$JPEG_LIB_VERSION], [libjpeg API version])
+AC_DEFINE_UNQUOTED(JPEG_LIB_VERSION, [$JPEG_LIB_VERSION],
+  [libjpeg API version])
 
-AC_MSG_CHECKING([libjpeg shared library 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)])
+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=$JPEG_LIB_VERSION ;;
@@ -143,9 +185,39 @@ if test "x$SO_MINOR_VERSION" = "x"; then
     *)   SO_MINOR_VERSION=0 ;;
   esac
 fi
-AC_MSG_RESULT([$SO_MAJOR_VERSION:$SO_MINOR_VERSION])
+
+RPM_CONFIG_ARGS=
+
+# Memory source/destination managers
+SO_AGE=0
+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=1
+    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])
 
 VERSION_SCRIPT=yes
 AC_ARG_ENABLE([ld-version-script],
@@ -161,12 +233,16 @@ VERS_1 {
   global: *;
 };
 EOF
-AC_LINK_IFELSE(AC_LANG_PROGRAM([], []),
-  [VERSION_SCRIPT_FLAG=-Wl,--version-script,; AC_MSG_RESULT([yes (GNU style)])], [])
+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)])], [])
+  AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
+    [VERSION_SCRIPT_FLAG=-Wl,-M,;
+     AC_MSG_RESULT([yes (Sun style)])],
+    [])
 fi
 if test "x$VERSION_SCRIPT_FLAG" = "x"; then
   VERSION_SCRIPT=no
@@ -180,11 +256,31 @@ AC_MSG_RESULT($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], [Omit arithmetic encoding support]))
+  AC_HELP_STRING([--without-arith-enc],
+    [Do not include arithmetic encoding support]))
+if test "x$with_12bit" = "xyes"; then
+  with_arith_enc=no
+fi
 if test "x$with_arith_enc" = "xno"; then
   AC_MSG_RESULT(no)
+  RPM_CONFIG_ARGS="$RPM_CONFIG_ARGS --without-arith-enc"
 else
   AC_DEFINE([C_ARITH_CODING_SUPPORTED], [1], [Support arithmetic encoding])
   AC_MSG_RESULT(yes)
@@ -193,21 +289,143 @@ AM_CONDITIONAL([WITH_ARITH_ENC], [test "x$with_arith_enc" != "xno"])
 
 AC_MSG_CHECKING([whether to include arithmetic decoding support])
 AC_ARG_WITH([arith-dec],
-    AC_HELP_STRING([--without-arith-dec], [Omit arithmetic decoding support]))
+  AC_HELP_STRING([--without-arith-dec],
+    [Do not include arithmetic decoding support]))
+if test "x$with_12bit" = "xyes"; then
+  with_arith_dec=no
+fi
 if test "x$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"])
+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])
+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
@@ -221,22 +439,95 @@ if test "x${with_simd}" != "xno"; then
       AC_PROG_NASM
       simd_arch=i386
       ;;
+    arm*)
+      AC_MSG_RESULT([yes (arm)])
+      AC_MSG_CHECKING([if the assembler is GNU-compatible and can be used])
+      AC_CHECK_COMPATIBLE_ARM_ASSEMBLER_IFELSE(
+        [if test "x$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${require_simd}" = "xyes"; then
+          AC_MSG_ERROR([SIMD support can't be enabled.])
+        else
+          AC_MSG_WARN([SIMD support can't be enabled.  Performance will suffer.])
+        fi
+      fi
+      ;;
     *)
       AC_MSG_RESULT([no ("$host_cpu")])
-      AC_MSG_WARN([SIMD support not available for this CPU.  Performance will suffer.])
       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
       ;;
   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$simd_arch" = "xx86_64"])
+AM_CONDITIONAL([SIMD_ARM], [test "x$simd_arch" = "xarm"])
+AM_CONDITIONAL([SIMD_ARM_64], [test "x$simd_arch" = "xaarch64"])
+AM_CONDITIONAL([SIMD_MIPS], [test "x$simd_arch" = "xmips"])
 AM_CONDITIONAL([X86_64], [test "x$host_cpu" = "xx86_64" -o "x$host_cpu" = "xamd64"])
+AM_CONDITIONAL([WITH_TURBOJPEG], [test "x$with_turbojpeg" != "xno"])
+
+AC_ARG_VAR(PKGNAME, [distribution package name (default: libjpeg-turbo)])
+if test "x$PKGNAME" = "x"; then
+  PKGNAME=$PACKAGE_NAME
+fi
+AC_SUBST(PKGNAME)
 
 case "$host_cpu" in
   x86_64)
@@ -247,22 +538,45 @@ case "$host_cpu" in
     RPMARCH=i386
     DEBARCH=i386
     ;;
+  *)
+    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], "$BUILD", [Build number])
+AC_DEFINE_UNQUOTED([BUILD], "$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_FILES([libjpeg-turbo.spec:release/libjpeg-turbo.spec.in])
-AC_CONFIG_FILES([makemacpkg:release/makemacpkg.in])
-AC_CONFIG_FILES([makesunpkg:release/makesunpkg.in])
+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])
+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

djpeg.1

@@ -1,4 +1,4 @@
-.TH DJPEG 1 "11 October 2010"
+.TH DJPEG 1 "21 November 2014"
 .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"
@@ -172,6 +190,10 @@ selects 4000000 bytes.  If more space is needed, temporary files will be used.
 .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
 .B \-verbose
 Enable debug printout.  More
 .BR \-v 's
@@ -180,6 +202,9 @@ 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
@@ -242,6 +267,10 @@ 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
+.PP
+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 BUGS
 To avoid the Unisys LZW patent,
 .B djpeg

djpeg.c

@@ -1,9 +1,10 @@
 /*
  * djpeg.c
  *
+ * This file was part of the Independent JPEG Group's software:
  * Copyright (C) 1991-1997, Thomas G. Lane.
- * Copyright (C) 2010, D. R. Commander.
- * This file is part of the Independent JPEG Group's software.
+ * libjpeg-turbo Modifications:
+ * Copyright (C) 2010-2011, 2013-2014, D. R. Commander.
  * For conditions of distribution and use, see the accompanying README file.
  *
  * This file contains a command-line user interface for the JPEG decompressor.
@@ -26,7 +27,7 @@
 
 #include "cdjpeg.h"             /* Common decls for cjpeg/djpeg applications */
 #include "jversion.h"           /* for version message */
-#include "config.h"
+#include "jconfigint.h"
 
 #include <ctype.h>              /* to declare isprint() */
 
@@ -86,6 +87,8 @@ static IMAGE_FORMATS requested_fmt;
 
 static const char * progname;   /* program name for error messages */
 static char * outfilename;      /* for -outfile switch */
+boolean memsrc;  /* for -memsrc switch */
+#define INPUT_BUF_SIZE  4096
 
 
 LOCAL(void)
@@ -103,6 +106,8 @@ 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
@@ -155,7 +160,12 @@ 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, "  -verbose  or  -debug   Emit debug output\n");
+  fprintf(stderr, "  -version       Print version information and exit\n");
   exit(EXIT_FAILURE);
 }
 
@@ -178,6 +188,7 @@ parse_switches (j_decompress_ptr cinfo, int argc, char **argv,
   /* Set up default JPEG parameters. */
   requested_fmt = DEFAULT_FMT;  /* set default output file format */
   outfilename = NULL;
+  memsrc = FALSE;
   cinfo->err->trace_level = 0;
 
   /* Scan command line options, adjust parameters */
@@ -244,13 +255,18 @@ parse_switches (j_decompress_ptr cinfo, int argc, char **argv,
       if (! printed_version) {
         fprintf(stderr, "%s version %s (build %s)\n",
                 PACKAGE_NAME, VERSION, BUILD);
-	fprintf(stderr, "%s\n\n", LJTCOPYRIGHT);
-	fprintf(stderr, "Based on Independent JPEG Group's libjpeg, version %s\n%s\n\n",
-		JVERSION, JCOPYRIGHT);
+        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;
@@ -268,6 +284,14 @@ 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 */
@@ -319,6 +343,16 @@ parse_switches (j_decompress_ptr cinfo, int argc, char **argv,
         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. */
       requested_fmt = FMT_PPM;
@@ -437,6 +471,8 @@ main (int argc, char **argv)
   djpeg_dest_ptr dest_mgr = NULL;
   FILE * input_file;
   FILE * output_file;
+  unsigned char *inbuffer = NULL;
+  unsigned long insize = 0;
   JDIMENSION num_scanlines;
 
   /* On Mac, fetch a command line. */
@@ -465,11 +501,6 @@ main (int argc, char **argv)
   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
@@ -531,6 +562,29 @@ main (int argc, char **argv)
 #endif
 
   /* Specify data source for decompression */
+#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 */
@@ -615,6 +669,9 @@ 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 */

doc/html/annotated.html

@@ -0,0 +1,104 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
+<meta http-equiv="X-UA-Compatible" content="IE=9"/>
+<meta name="generator" content="Doxygen 1.8.3.1"/>
+<title>TurboJPEG: Data Structures</title>
+<link href="tabs.css" rel="stylesheet" type="text/css"/>
+<script type="text/javascript" src="jquery.js"></script>
+<script type="text/javascript" src="dynsections.js"></script>
+<link href="search/search.css" rel="stylesheet" type="text/css"/>
+<script type="text/javascript" src="search/search.js"></script>
+<script type="text/javascript">
+  $(document).ready(function() { searchBox.OnSelectItem(0); });
+</script>
+<link href="doxygen.css" rel="stylesheet" type="text/css" />
+<link href="doxygen-extra.css" rel="stylesheet" type="text/css"/>
+</head>
+<body>
+<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
+<div id="titlearea">
+<table cellspacing="0" cellpadding="0">
+ <tbody>
+ <tr style="height: 56px;">
+  <td style="padding-left: 0.5em;">
+   <div id="projectname">TurboJPEG
+   &#160;<span id="projectnumber">1.4</span>
+   </div>
+  </td>
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+    width:20px;
+    height:19px;
+    background:url('search_l.png') no-repeat;
+    background-position:right;
+}
+
+#MSearchSelect {
+    display:block;
+    position:absolute;
+    width:20px;
+    height:19px;
+}
+
+.left #MSearchSelect {
+    left:4px;
+}
+
+.right #MSearchSelect {
+    right:5px;
+}
+
+#MSearchField {
+    display:block;
+    position:absolute;
+    height:19px;
+    background:url('search_m.png') repeat-x;
+    border:none;
+    width:116px;
+    margin-left:20px;
+    padding-left:4px;
+    color: #909090;
+    outline: none;
+    font: 9pt Arial, Verdana, sans-serif;
+}
+
+#FSearchBox #MSearchField {
+    margin-left:15px;
+}
+
+#MSearchBox .right {
+    display:block;
+    position:absolute;
+    right:10px;
+    top:0px;
+    width:20px;
+    height:19px;
+    background:url('search_r.png') no-repeat;
+    background-position:left;
+}
+
+#MSearchClose {
+    display: none;
+    position: absolute;
+    top: 4px;
+    background : none;
+    border: none;
+    margin: 0px 4px 0px 0px;
+    padding: 0px 0px;
+    outline: none;
+}
+
+.left #MSearchClose {
+    left: 6px;
+}
+
+.right #MSearchClose {
+    right: 2px;
+}
+
+.MSearchBoxActive #MSearchField {
+    color: #000000;
+}
+
+/*---------------- Search filter selection */
+
+#MSearchSelectWindow {
+    display: none;
+    position: absolute;
+    left: 0; top: 0;
+    border: 1px solid #90A5CE;
+    background-color: #F9FAFC;
+    z-index: 1;
+    padding-top: 4px;
+    padding-bottom: 4px;
+    -moz-border-radius: 4px;
+    -webkit-border-top-left-radius: 4px;
+    -webkit-border-top-right-radius: 4px;
+    -webkit-border-bottom-left-radius: 4px;
+    -webkit-border-bottom-right-radius: 4px;
+    -webkit-box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.15);
+}
+
+.SelectItem {
+    font: 8pt Arial, Verdana, sans-serif;
+    padding-left:  2px;
+    padding-right: 12px;
+    border: 0px;
+}
+
+span.SelectionMark {
+    margin-right: 4px;
+    font-family: monospace;
+    outline-style: none;
+    text-decoration: none;
+}
+
+a.SelectItem {
+    display: block;
+    outline-style: none;
+    color: #000000; 
+    text-decoration: none;
+    padding-left:   6px;
+    padding-right: 12px;
+}
+
+a.SelectItem:focus,
+a.SelectItem:active {
+    color: #000000; 
+    outline-style: none;
+    text-decoration: none;
+}
+
+a.SelectItem:hover {
+    color: #FFFFFF;
+    background-color: #3D578C;
+    outline-style: none;
+    text-decoration: none;
+    cursor: pointer;
+    display: block;
+}
+
+/*---------------- Search results window */
+
+iframe#MSearchResults {
+    width: 60ex;
+    height: 15em;
+}
+
+#MSearchResultsWindow {
+    display: none;
+    position: absolute;
+    left: 0; top: 0;
+    border: 1px solid #000;
+    background-color: #EEF1F7;
+}
+
+/* ----------------------------------- */
+
+
+#SRIndex {
+    clear:both; 
+    padding-bottom: 15px;
+}
+
+.SREntry {
+    font-size: 10pt;
+    padding-left: 1ex;
+}
+
+.SRPage .SREntry {
+    font-size: 8pt;
+    padding: 1px 5px;
+}
+
+body.SRPage {
+    margin: 5px 2px;
+}
+
+.SRChildren {
+    padding-left: 3ex; padding-bottom: .5em 
+}
+
+.SRPage .SRChildren {
+    display: none;
+}
+
+.SRSymbol {
+    font-weight: bold; 
+    color: #425E97;
+    font-family: Arial, Verdana, sans-serif;
+    text-decoration: none;
+    outline: none;
+}
+
+a.SRScope {
+    display: block;
+    color: #425E97; 
+    font-family: Arial, Verdana, sans-serif;
+    text-decoration: none;
+    outline: none;
+}
+
+a.SRSymbol:focus, a.SRSymbol:active,
+a.SRScope:focus, a.SRScope:active {
+    text-decoration: underline;
+}
+
+span.SRScope {
+    padding-left: 4px;
+}
+
+.SRPage .SRStatus {
+    padding: 2px 5px;
+    font-size: 8pt;
+    font-style: italic;
+}
+
+.SRResult {
+    display: none;
+}
+
+DIV.searchresults {
+    margin-left: 10px;
+    margin-right: 10px;
+}
+
+/*---------------- External search page results */
+
+.searchresult {
+    background-color: #F0F3F8;
+}
+
+.pages b {
+   color: white;
+   padding: 5px 5px 3px 5px;
+   background-image: url("../tab_a.png");
+   background-repeat: repeat-x;
+   text-shadow: 0 1px 1px #000000;
+}
+
+.pages {
+    line-height: 17px;
+    margin-left: 4px;
+    text-decoration: none;
+}
+
+.hl {
+    font-weight: bold;
+}
+
+#searchresults {
+    margin-bottom: 20px;
+}
+
+.searchpages {
+    margin-top: 10px;
+}
+

doc/html/search/search.js

@@ -0,0 +1,809 @@
+// Search script generated by doxygen
+// Copyright (C) 2009 by Dimitri van Heesch.
+
+// The code in this file is loosly based on main.js, part of Natural Docs,
+// which is Copyright (C) 2003-2008 Greg Valure
+// Natural Docs is licensed under the GPL.
+
+var indexSectionsWithContent =
+{
+  0: "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001100010000011001010011100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+  1: "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+  2: "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+  3: "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001100010000011001010011100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+  4: "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+  5: "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+  6: "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+  7: "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"
+};
+
+var indexSectionNames =
+{
+  0: "all",
+  1: "classes",
+  2: "functions",
+  3: "variables",
+  4: "typedefs",
+  5: "enums",
+  6: "enumvalues",
+  7: "groups"
+};
+
+function convertToId(search)
+{
+  var result = '';
+  for (i=0;i<search.length;i++)
+  {
+    var c = search.charAt(i);
+    var cn = c.charCodeAt(0);
+    if (c.match(/[a-z0-9]/))
+    {
+      result+=c;
+    }
+    else if (cn<16) 
+    {
+      result+="_0"+cn.toString(16);
+    }
+    else 
+    {
+      result+="_"+cn.toString(16);
+    }
+  }
+  return result;
+}
+
+function getXPos(item)
+{
+  var x = 0;
+  if (item.offsetWidth)
+  {
+    while (item && item!=document.body)
+    {
+      x   += item.offsetLeft;
+      item = item.offsetParent;
+    }
+  }
+  return x;
+}
+
+function getYPos(item)
+{
+  var y = 0;
+  if (item.offsetWidth)
+  {
+     while (item && item!=document.body)
+     {
+       y   += item.offsetTop;
+       item = item.offsetParent;
+     }
+  }
+  return y;
+}
+
+/* A class handling everything associated with the search panel.
+
+   Parameters:
+   name - The name of the global variable that will be 
+          storing this instance.  Is needed to be able to set timeouts.
+   resultPath - path to use for external files
+*/
+function SearchBox(name, resultsPath, inFrame, label)
+{
+  if (!name || !resultsPath) {  alert("Missing parameters to SearchBox."); }
+   
+  // ---------- Instance variables
+  this.name                  = name;
+  this.resultsPath           = resultsPath;
+  this.keyTimeout            = 0;
+  this.keyTimeoutLength      = 500;
+  this.closeSelectionTimeout = 300;
+  this.lastSearchValue       = "";
+  this.lastResultsPage       = "";
+  this.hideTimeout           = 0;
+  this.searchIndex           = 0;
+  this.searchActive          = false;
+  this.insideFrame           = inFrame;
+  this.searchLabel           = label;
+
+  // ----------- DOM Elements
+
+  this.DOMSearchField = function()
+  {  return document.getElementById("MSearchField");  }
+
+  this.DOMSearchSelect = function()
+  {  return document.getElementById("MSearchSelect");  }
+
+  this.DOMSearchSelectWindow = function()
+  {  return document.getElementById("MSearchSelectWindow");  }
+
+  this.DOMPopupSearchResults = function()
+  {  return document.getElementById("MSearchResults");  }
+
+  this.DOMPopupSearchResultsWindow = function()
+  {  return document.getElementById("MSearchResultsWindow");  }
+
+  this.DOMSearchClose = function()
+  {  return document.getElementById("MSearchClose"); }
+
+  this.DOMSearchBox = function()
+  {  return document.getElementById("MSearchBox");  }
+
+  // ------------ Event Handlers
+
+  // Called when focus is added or removed from the search field.
+  this.OnSearchFieldFocus = function(isActive)
+  {
+    this.Activate(isActive);
+  }
+
+  this.OnSearchSelectShow = function()
+  {
+    var searchSelectWindow = this.DOMSearchSelectWindow();
+    var searchField        = this.DOMSearchSelect();
+
+    if (this.insideFrame)
+    {
+      var left = getXPos(searchField);
+      var top  = getYPos(searchField);
+      left += searchField.offsetWidth + 6;
+      top += searchField.offsetHeight;
+
+      // show search selection popup
+      searchSelectWindow.style.display='block';
+      left -= searchSelectWindow.offsetWidth;
+      searchSelectWindow.style.left =  left + 'px';
+      searchSelectWindow.style.top  =  top  + 'px';
+    }
+    else
+    {
+      var left = getXPos(searchField);
+      var top  = getYPos(searchField);
+      top += searchField.offsetHeight;
+
+      // show search selection popup
+      searchSelectWindow.style.display='block';
+      searchSelectWindow.style.left =  left + 'px';
+      searchSelectWindow.style.top  =  top  + 'px';
+    }
+
+    // stop selection hide timer
+    if (this.hideTimeout) 
+    {
+      clearTimeout(this.hideTimeout);
+      this.hideTimeout=0;
+    }
+    return false; // to avoid "image drag" default event
+  }
+
+  this.OnSearchSelectHide = function()
+  {
+    this.hideTimeout = setTimeout(this.name +".CloseSelectionWindow()",
+                                  this.closeSelectionTimeout);
+  }
+
+  // Called when the content of the search field is changed.
+  this.OnSearchFieldChange = function(evt)
+  {
+    if (this.keyTimeout) // kill running timer
+    {
+      clearTimeout(this.keyTimeout);
+      this.keyTimeout = 0;
+    }
+
+    var e  = (evt) ? evt : window.event; // for IE
+    if (e.keyCode==40 || e.keyCode==13)
+    {
+      if (e.shiftKey==1)
+      {
+        this.OnSearchSelectShow();
+        var win=this.DOMSearchSelectWindow(); 
+        for (i=0;i<win.childNodes.length;i++)
+        {
+          var child = win.childNodes[i]; // get span within a
+          if (child.className=='SelectItem')
+          {
+            child.focus();
+            return;
+          }
+        }
+        return;
+      }
+      else if (window.frames.MSearchResults.searchResults)
+      {
+        var elem = window.frames.MSearchResults.searchResults.NavNext(0);
+        if (elem) elem.focus();
+      }
+    }
+    else if (e.keyCode==27) // Escape out of the search field
+    {
+      this.DOMSearchField().blur();
+      this.DOMPopupSearchResultsWindow().style.display = 'none';
+      this.DOMSearchClose().style.display = 'none';
+      this.lastSearchValue = '';
+      this.Activate(false);
+      return;
+    }
+
+    // strip whitespaces
+    var searchValue = this.DOMSearchField().value.replace(/ +/g, "");
+
+    if (searchValue != this.lastSearchValue) // search value has changed
+    {
+      if (searchValue != "") // non-empty search
+      {
+        // set timer for search update
+        this.keyTimeout = setTimeout(this.name + '.Search()',
+                                     this.keyTimeoutLength);
+      }
+      else // empty search field
+      {
+        this.DOMPopupSearchResultsWindow().style.display = 'none';
+        this.DOMSearchClose().style.display = 'none';
+        this.lastSearchValue = '';
+      }
+    }
+  }
+
+  this.SelectItemCount = function(id)
+  {
+    var count=0;
+    var win=this.DOMSearchSelectWindow(); 
+    for (i=0;i<win.childNodes.length;i++)
+    {
+      var child = win.childNodes[i]; // get span within a
+      if (child.className=='SelectItem')
+      {
+        count++;
+      }
+    }
+    return count;
+  }
+
+  this.SelectItemSet = function(id)
+  {
+    var i,j=0;
+    var win=this.DOMSearchSelectWindow(); 
+    for (i=0;i<win.childNodes.length;i++)
+    {
+      var child = win.childNodes[i]; // get span within a
+      if (child.className=='SelectItem')
+      {
+        var node = child.firstChild;
+        if (j==id)
+        {
+          node.innerHTML='&#8226;';
+        }
+        else
+        {
+          node.innerHTML='&#160;';
+        }
+        j++;
+      }
+    }
+  }
+
+  // Called when an search filter selection is made.
+  // set item with index id as the active item
+  this.OnSelectItem = function(id)
+  {
+    this.searchIndex = id;
+    this.SelectItemSet(id);
+    var searchValue = this.DOMSearchField().value.replace(/ +/g, "");
+    if (searchValue!="" && this.searchActive) // something was found -> do a search
+    {
+      this.Search();
+    }
+  }
+
+  this.OnSearchSelectKey = function(evt)
+  {
+    var e = (evt) ? evt : window.event; // for IE
+    if (e.keyCode==40 && this.searchIndex<this.SelectItemCount()) // Down
+    {
+      this.searchIndex++;
+      this.OnSelectItem(this.searchIndex);
+    }
+    else if (e.keyCode==38 && this.searchIndex>0) // Up
+    {
+      this.searchIndex--;
+      this.OnSelectItem(this.searchIndex);
+    }
+    else if (e.keyCode==13 || e.keyCode==27)
+    {
+      this.OnSelectItem(this.searchIndex);
+      this.CloseSelectionWindow();
+      this.DOMSearchField().focus();
+    }
+    return false;
+  }
+
+  // --------- Actions
+
+  // Closes the results window.
+  this.CloseResultsWindow = function()
+  {
+    this.DOMPopupSearchResultsWindow().style.display = 'none';
+    this.DOMSearchClose().style.display = 'none';
+    this.Activate(false);
+  }
+
+  this.CloseSelectionWindow = function()
+  {
+    this.DOMSearchSelectWindow().style.display = 'none';
+  }
+
+  // Performs a search.
+  this.Search = function()
+  {
+    this.keyTimeout = 0;
+
+    // strip leading whitespace
+    var searchValue = this.DOMSearchField().value.replace(/^ +/, "");
+
+    var code = searchValue.toLowerCase().charCodeAt(0);
+    var hexCode;
+    if (code<16) 
+    {
+      hexCode="0"+code.toString(16);
+    }
+    else 
+    {
+      hexCode=code.toString(16);
+    }
+
+    var resultsPage;
+    var resultsPageWithSearch;
+    var hasResultsPage;
+
+    if (indexSectionsWithContent[this.searchIndex].charAt(code) == '1')
+    {
+       resultsPage = this.resultsPath + '/' + indexSectionNames[this.searchIndex] + '_' + hexCode + '.html';
+       resultsPageWithSearch = resultsPage+'?'+escape(searchValue);
+       hasResultsPage = true;
+    }
+    else // nothing available for this search term
+    {
+       resultsPage = this.resultsPath + '/nomatches.html';
+       resultsPageWithSearch = resultsPage;
+       hasResultsPage = false;
+    }
+
+    window.frames.MSearchResults.location = resultsPageWithSearch;  
+    var domPopupSearchResultsWindow = this.DOMPopupSearchResultsWindow();
+
+    if (domPopupSearchResultsWindow.style.display!='block')
+    {
+       var domSearchBox = this.DOMSearchBox();
+       this.DOMSearchClose().style.display = 'inline';
+       if (this.insideFrame)
+       {
+         var domPopupSearchResults = this.DOMPopupSearchResults();
+         domPopupSearchResultsWindow.style.position = 'relative';
+         domPopupSearchResultsWindow.style.display  = 'block';
+         var width = document.body.clientWidth - 8; // the -8 is for IE :-(
+         domPopupSearchResultsWindow.style.width    = width + 'px';
+         domPopupSearchResults.style.width          = width + 'px';
+       }
+       else
+       {
+         var domPopupSearchResults = this.DOMPopupSearchResults();
+         var left = getXPos(domSearchBox) + 150; // domSearchBox.offsetWidth;
+         var top  = getYPos(domSearchBox) + 20;  // domSearchBox.offsetHeight + 1;
+         domPopupSearchResultsWindow.style.display = 'block';
+         left -= domPopupSearchResults.offsetWidth;
+         domPopupSearchResultsWindow.style.top     = top  + 'px';
+         domPopupSearchResultsWindow.style.left    = left + 'px';
+       }
+    }
+
+    this.lastSearchValue = searchValue;
+    this.lastResultsPage = resultsPage;
+  }
+
+  // -------- Activation Functions
+
+  // Activates or deactivates the search panel, resetting things to 
+  // their default values if necessary. 
+  this.Activate = function(isActive)
+  {
+    if (isActive || // open it
+        this.DOMPopupSearchResultsWindow().style.display == 'block' 
+       )
+    {
+      this.DOMSearchBox().className = 'MSearchBoxActive';
+
+      var searchField = this.DOMSearchField();
+
+      if (searchField.value == this.searchLabel) // clear "Search" term upon entry
+      {  
+        searchField.value = '';  
+        this.searchActive = true;
+      }
+    }
+    else if (!isActive) // directly remove the panel
+    {
+      this.DOMSearchBox().className = 'MSearchBoxInactive';
+      this.DOMSearchField().value   = this.searchLabel;
+      this.searchActive             = false;
+      this.lastSearchValue          = ''
+      this.lastResultsPage          = '';
+    }
+  }
+}
+
+// -----------------------------------------------------------------------
+
+// The class that handles everything on the search results page.
+function SearchResults(name)
+{
+    // The number of matches from the last run of <Search()>.
+    this.lastMatchCount = 0;
+    this.lastKey = 0;
+    this.repeatOn = false;
+
+    // Toggles the visibility of the passed element ID.
+    this.FindChildElement = function(id)
+    {
+      var parentElement = document.getElementById(id);
+      var element = parentElement.firstChild;
+
+      while (element && element!=parentElement)
+      {
+        if (element.nodeName == 'DIV' && element.className == 'SRChildren')
+        {
+          return element;
+        }
+
+        if (element.nodeName == 'DIV' && element.hasChildNodes())
+        {  
+           element = element.firstChild;  
+        }
+        else if (element.nextSibling)
+        {  
+           element = element.nextSibling;  
+        }
+        else
+        {
+          do
+          {
+            element = element.parentNode;
+          }
+          while (element && element!=parentElement && !element.nextSibling);
+
+          if (element && element!=parentElement)
+          {  
+            element = element.nextSibling;  
+          }
+        }
+      }
+    }
+
+    this.Toggle = function(id)
+    {
+      var element = this.FindChildElement(id);
+      if (element)
+      {
+        if (element.style.display == 'block')
+        {
+          element.style.display = 'none';
+        }
+        else
+        {
+          element.style.display = 'block';
+        }
+      }
+    }
+
+    // Searches for the passed string.  If there is no parameter,
+    // it takes it from the URL query.
+    //
+    // Always returns true, since other documents may try to call it
+    // and that may or may not be possible.
+    this.Search = function(search)
+    {
+      if (!search) // get search word from URL
+      {
+        search = window.location.search;
+        search = search.substring(1);  // Remove the leading '?'
+        search = unescape(search);
+      }
+
+      search = search.replace(/^ +/, ""); // strip leading spaces
+      search = search.replace(/ +$/, ""); // strip trailing spaces
+      search = search.toLowerCase();
+      search = convertToId(search);
+
+      var resultRows = document.getElementsByTagName("div");
+      var matches = 0;
+
+      var i = 0;
+      while (i < resultRows.length)
+      {
+        var row = resultRows.item(i);
+        if (row.className == "SRResult")
+        {
+          var rowMatchName = row.id.toLowerCase();
+          rowMatchName = rowMatchName.replace(/^sr\d*_/, ''); // strip 'sr123_'
+
+          if (search.length<=rowMatchName.length && 
+             rowMatchName.substr(0, search.length)==search)
+          {
+            row.style.display = 'block';
+            matches++;
+          }
+          else
+          {
+            row.style.display = 'none';
+          }
+        }
+        i++;
+      }
+      document.getElementById("Searching").style.display='none';
+      if (matches == 0) // no results
+      {
+        document.getElementById("NoMatches").style.display='block';
+      }
+      else // at least one result
+      {
+        document.getElementById("NoMatches").style.display='none';
+      }
+      this.lastMatchCount = matches;
+      return true;
+    }
+
+    // return the first item with index index or higher that is visible
+    this.NavNext = function(index)
+    {
+      var focusItem;
+      while (1)
+      {
+        var focusName = 'Item'+index;
+        focusItem = document.getElementById(focusName);
+        if (focusItem && focusItem.parentNode.parentNode.style.display=='block')
+        {
+          break;
+        }
+        else if (!focusItem) // last element
+        {
+          break;
+        }
+        focusItem=null;
+        index++;
+      }
+      return focusItem;
+    }
+
+    this.NavPrev = function(index)
+    {
+      var focusItem;
+      while (1)
+      {
+        var focusName = 'Item'+index;
+        focusItem = document.getElementById(focusName);
+        if (focusItem && focusItem.parentNode.parentNode.style.display=='block')
+        {
+          break;
+        }
+        else if (!focusItem) // last element
+        {
+          break;
+        }
+        focusItem=null;
+        index--;
+      }
+      return focusItem;
+    }
+
+    this.ProcessKeys = function(e)
+    {
+      if (e.type == "keydown") 
+      {
+        this.repeatOn = false;
+        this.lastKey = e.keyCode;
+      }
+      else if (e.type == "keypress")
+      {
+        if (!this.repeatOn)
+        {
+          if (this.lastKey) this.repeatOn = true;
+          return false; // ignore first keypress after keydown
+        }
+      }
+      else if (e.type == "keyup")
+      {
+        this.lastKey = 0;
+        this.repeatOn = false;
+      }
+      return this.lastKey!=0;
+    }
+
+    this.Nav = function(evt,itemIndex) 
+    {
+      var e  = (evt) ? evt : window.event; // for IE
+      if (e.keyCode==13) return true;
+      if (!this.ProcessKeys(e)) return false;
+
+      if (this.lastKey==38) // Up
+      {
+        var newIndex = itemIndex-1;
+        var focusItem = this.NavPrev(newIndex);
+        if (focusItem)
+        {
+          var child = this.FindChildElement(focusItem.parentNode.parentNode.id);
+          if (child && child.style.display == 'block') // children visible
+          { 
+            var n=0;
+            var tmpElem;
+            while (1) // search for last child
+            {
+              tmpElem = document.getElementById('Item'+newIndex+'_c'+n);
+              if (tmpElem)
+              {
+                focusItem = tmpElem;
+              }
+              else // found it!
+              {
+                break;
+              }
+              n++;
+            }
+          }
+        }
+        if (focusItem)
+        {
+          focusItem.focus();
+        }
+        else // return focus to search field
+        {
+           parent.document.getElementById("MSearchField").focus();
+        }
+      }
+      else if (this.lastKey==40) // Down
+      {
+        var newIndex = itemIndex+1;
+        var focusItem;
+        var item = document.getElementById('Item'+itemIndex);
+        var elem = this.FindChildElement(item.parentNode.parentNode.id);
+        if (elem && elem.style.display == 'block') // children visible
+        {
+          focusItem = document.getElementById('Item'+itemIndex+'_c0');
+        }
+        if (!focusItem) focusItem = this.NavNext(newIndex);
+        if (focusItem)  focusItem.focus();
+      }
+      else if (this.lastKey==39) // Right
+      {
+        var item = document.getElementById('Item'+itemIndex);
+        var elem = this.FindChildElement(item.parentNode.parentNode.id);
+        if (elem) elem.style.display = 'block';
+      }
+      else if (this.lastKey==37) // Left
+      {
+        var item = document.getElementById('Item'+itemIndex);
+        var elem = this.FindChildElement(item.parentNode.parentNode.id);
+        if (elem) elem.style.display = 'none';
+      }
+      else if (this.lastKey==27) // Escape
+      {
+        parent.searchBox.CloseResultsWindow();
+        parent.document.getElementById("MSearchField").focus();
+      }
+      else if (this.lastKey==13) // Enter
+      {
+        return true;
+      }
+      return false;
+    }
+
+    this.NavChild = function(evt,itemIndex,childIndex)
+    {
+      var e  = (evt) ? evt : window.event; // for IE
+      if (e.keyCode==13) return true;
+      if (!this.ProcessKeys(e)) return false;
+
+      if (this.lastKey==38) // Up
+      {
+        if (childIndex>0)
+        {
+          var newIndex = childIndex-1;
+          document.getElementById('Item'+itemIndex+'_c'+newIndex).focus();
+        }
+        else // already at first child, jump to parent
+        {
+          document.getElementById('Item'+itemIndex).focus();
+        }
+      }
+      else if (this.lastKey==40) // Down
+      {
+        var newIndex = childIndex+1;
+        var elem = document.getElementById('Item'+itemIndex+'_c'+newIndex);
+        if (!elem) // last child, jump to parent next parent
+        {
+          elem = this.NavNext(itemIndex+1);
+        }
+        if (elem)
+        {
+          elem.focus();
+        } 
+      }
+      else if (this.lastKey==27) // Escape
+      {
+        parent.searchBox.CloseResultsWindow();
+        parent.document.getElementById("MSearchField").focus();
+      }
+      else if (this.lastKey==13) // Enter
+      {
+        return true;
+      }
+      return false;
+    }
+}
+
+function setKeyActions(elem,action)
+{
+  elem.setAttribute('onkeydown',action);
+  elem.setAttribute('onkeypress',action);
+  elem.setAttribute('onkeyup',action);
+}
+
+function setClassAttr(elem,attr)
+{
+  elem.setAttribute('class',attr);
+  elem.setAttribute('className',attr);
+}
+
+function createResults()
+{
+  var results = document.getElementById("SRResults");
+  for (var e=0; e<searchData.length; e++)
+  {
+    var id = searchData[e][0];
+    var srResult = document.createElement('div');
+    srResult.setAttribute('id','SR_'+id);
+    setClassAttr(srResult,'SRResult');
+    var srEntry = document.createElement('div');
+    setClassAttr(srEntry,'SREntry');
+    var srLink = document.createElement('a');
+    srLink.setAttribute('id','Item'+e);
+    setKeyActions(srLink,'return searchResults.Nav(event,'+e+')');
+    setClassAttr(srLink,'SRSymbol');
+    srLink.innerHTML = searchData[e][1][0];
+    srEntry.appendChild(srLink);
+    if (searchData[e][1].length==2) // single result
+    {
+      srLink.setAttribute('href',searchData[e][1][1][0]);
+      if (searchData[e][1][1][1])
+      {
+       srLink.setAttribute('target','_parent');
+      }
+      var srScope = document.createElement('span');
+      setClassAttr(srScope,'SRScope');
+      srScope.innerHTML = searchData[e][1][1][2];
+      srEntry.appendChild(srScope);
+    }
+    else // multiple results
+    {
+      srLink.setAttribute('href','javascript:searchResults.Toggle("SR_'+id+'")');
+      var srChildren = document.createElement('div');
+      setClassAttr(srChildren,'SRChildren');
+      for (var c=0; c<searchData[e][1].length-1; c++)
+      {
+        var srChild = document.createElement('a');
+        srChild.setAttribute('id','Item'+e+'_c'+c);
+        setKeyActions(srChild,'return searchResults.NavChild(event,'+e+','+c+')');
+        setClassAttr(srChild,'SRScope');
+        srChild.setAttribute('href',searchData[e][1][c+1][0]);
+        if (searchData[e][1][c+1][1])
+        {
+         srChild.setAttribute('target','_parent');
+        }
+        srChild.innerHTML = searchData[e][1][c+1][2];
+        srChildren.appendChild(srChild);
+      }
+      srEntry.appendChild(srChildren);
+    }
+    srResult.appendChild(srEntry);
+    results.appendChild(srResult);
+  }
+}
+

doc/html/search/typedefs_74.html

@@ -0,0 +1,26 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html><head><title></title>
+<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
+<meta name="generator" content="Doxygen 1.8.3.1">
+<link rel="stylesheet" type="text/css" href="search.css"/>
+<script type="text/javascript" src="typedefs_74.js"></script>
+<script type="text/javascript" src="search.js"></script>
+</head>
+<body class="SRPage">
+<div id="SRIndex">
+<div class="SRStatus" id="Loading">Loading...</div>
+<div id="SRResults"></div>
+<script type="text/javascript"><!--
+createResults();
+--></script>
+<div class="SRStatus" id="Searching">Searching...</div>
+<div class="SRStatus" id="NoMatches">No Matches</div>
+<script type="text/javascript"><!--
+document.getElementById("Loading").style.display="none";
+document.getElementById("NoMatches").style.display="none";
+var searchResults = new SearchResults("searchResults");
+searchResults.Search();
+--></script>
+</div>
+</body>
+</html>

doc/html/search/typedefs_74.js

@@ -0,0 +1,5 @@
+var searchData=
+[
+  ['tjhandle',['tjhandle',['../group___turbo_j_p_e_g.html#ga758d2634ecb4949de7815cba621f5763',1,'turbojpeg.h']]],
+  ['tjtransform',['tjtransform',['../group___turbo_j_p_e_g.html#gaa29f3189c41be12ec5dee7caec318a31',1,'turbojpeg.h']]]
+];

doc/html/search/variables_63.html

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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html><head><title></title>
+<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
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+<script type="text/javascript" src="search.js"></script>
+</head>
+<body class="SRPage">
+<div id="SRIndex">
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+<script type="text/javascript"><!--
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+<div class="SRStatus" id="Searching">Searching...</div>
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+<script type="text/javascript"><!--
+document.getElementById("Loading").style.display="none";
+document.getElementById("NoMatches").style.display="none";
+var searchResults = new SearchResults("searchResults");
+searchResults.Search();
+--></script>
+</div>
+</body>
+</html>

doc/html/search/variables_63.js

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+var searchData=
+[
+  ['customfilter',['customFilter',['../structtjtransform.html#a43ee1bcdd2a8d7249a756774f78793c1',1,'tjtransform']]]
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