ryan/mozjpeg
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add flags to the TurboJPEG API that allow the caller to force the use of either the fast or the accurate DCT/IDCT algorithms in the underlying codec.

Browse Source
This commit is contained in:
DRC
2012-06-29 23:46:38 +00:00
parent 7b8366223a
commit 019d51d4f1
38 changed files with 426 additions and 185 deletions
Download Patch File Download Diff File Expand all files Collapse all files

30
java/TJExample.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright (C)2011 D. R. Commander. All Rights Reserved.
* Copyright (C)2011-2012 D. R. Commander. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -81,6 +81,12 @@ public class TJExample implements TJCustomFilter {
System.out.println(" for 4:2:0.)\n");
System.out.println("-display = Display output image (Output file need not be specified in this");
System.out.println(" case.)\n");
System.out.println("-fastupsample = Use the fastest chrominance upsampling algorithm available in");
System.out.println(" the underlying codec\n");
System.out.println("-fastdct = Use the fastest DCT/IDCT algorithms available in the underlying");
System.out.println(" codec\n");
System.out.println("-accuratedct = Use the most accurate DCT/IDCT algorithms available in the");
System.out.println(" underlying codec\n");
System.exit(1);
}
@@ -92,6 +98,7 @@ public class TJExample implements TJCustomFilter {
BufferedImage img = null; byte[] bmpBuf = null;
TJTransform xform = new TJTransform();
int flags = 0;
try {
@@ -187,6 +194,18 @@ public class TJExample implements TJCustomFilter {
}
if(argv[i].substring(0, 2).equalsIgnoreCase("-d"))
display = true;
if(argv[i].equalsIgnoreCase("-fastupsample")) {
System.out.println("Using fast upsampling code");
flags |= TJ.FLAG_FASTUPSAMPLE;
}
if(argv[i].equalsIgnoreCase("-fastdct")) {
System.out.println("Using fastest DCT/IDCT algorithm");
flags |= TJ.FLAG_FASTDCT;
}
if(argv[i].equalsIgnoreCase("-accuratedct")) {
System.out.println("Using most accurate DCT/IDCT algorithm");
flags |= TJ.FLAG_ACCURATEDCT;
}
}
}
String[] inFileTokens = argv[0].split("\\.");
@@ -247,8 +266,9 @@ public class TJExample implements TJCustomFilter {
height = scaleFactor.getScaled(height);
if(!outFormat.equalsIgnoreCase("jpg"))
img = tjd.decompress(width, height, BufferedImage.TYPE_INT_RGB, 0);
else bmpBuf = tjd.decompress(width, 0, height, TJ.PF_BGRX, 0);
img = tjd.decompress(width, height, BufferedImage.TYPE_INT_RGB,
flags);
else bmpBuf = tjd.decompress(width, 0, height, TJ.PF_BGRX, flags);
tjd.close();
}
else {
@@ -282,10 +302,10 @@ public class TJExample implements TJCustomFilter {
tjc.setSubsamp(outSubsamp);
tjc.setJPEGQuality(outQual);
if(img != null)
jpegBuf = tjc.compress(img, 0);
jpegBuf = tjc.compress(img, flags);
else {
tjc.setSourceImage(bmpBuf, width, 0, height, TJ.PF_BGRX);
jpegBuf = tjc.compress(0);
jpegBuf = tjc.compress(flags);
}
jpegSize = tjc.getCompressedSize();
tjc.close();

4
java/doc/allclasses-frame.html
View File

@@ -2,12 +2,12 @@
<!--NewPage-->
<HTML>
<HEAD>
<!-- Generated by javadoc (build 1.6.0_31) on Wed Jun 06 03:10:33 CDT 2012 -->
<!-- Generated by javadoc (build 1.6.0_33) on Fri Jun 29 18:36:27 CDT 2012 -->
<TITLE>
All Classes
</TITLE>
<META NAME="date" CONTENT="2012-06-06">
<META NAME="date" CONTENT="2012-06-29">
<LINK REL ="stylesheet" TYPE="text/css" HREF="stylesheet.css" TITLE="Style">

4
java/doc/allclasses-noframe.html
View File

@@ -2,12 +2,12 @@
<!--NewPage-->
<HTML>
<HEAD>
<!-- Generated by javadoc (build 1.6.0_31) on Wed Jun 06 03:10:33 CDT 2012 -->
<!-- Generated by javadoc (build 1.6.0_33) on Fri Jun 29 18:36:27 CDT 2012 -->
<TITLE>
All Classes
</TITLE>
<META NAME="date" CONTENT="2012-06-06">
<META NAME="date" CONTENT="2012-06-29">
<LINK REL ="stylesheet" TYPE="text/css" HREF="stylesheet.css" TITLE="Style">

16
java/doc/constant-values.html
View File

@@ -2,12 +2,12 @@
<!--NewPage-->
<HTML>
<HEAD>
<!-- Generated by javadoc (build 1.6.0_31) on Wed Jun 06 03:10:33 CDT 2012 -->
<!-- Generated by javadoc (build 1.6.0_33) on Fri Jun 29 18:36:27 CDT 2012 -->
<TITLE>
Constant Field Values
</TITLE>
<META NAME="date" CONTENT="2012-06-06">
<META NAME="date" CONTENT="2012-06-29">
<LINK REL ="stylesheet" TYPE="text/css" HREF="stylesheet.css" TITLE="Style">
@@ -101,12 +101,24 @@ org.libjpegturbo.*</FONT></TH>
<TH ALIGN="left" COLSPAN="3">org.libjpegturbo.turbojpeg.<A HREF="org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.FLAG_ACCURATEDCT"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#FLAG_ACCURATEDCT">FLAG_ACCURATEDCT</A></CODE></TD>
<TD ALIGN="right"><CODE>4096</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.FLAG_BOTTOMUP"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#FLAG_BOTTOMUP">FLAG_BOTTOMUP</A></CODE></TD>
<TD ALIGN="right"><CODE>2</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.FLAG_FASTDCT"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#FLAG_FASTDCT">FLAG_FASTDCT</A></CODE></TD>
<TD ALIGN="right"><CODE>2048</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.FLAG_FASTUPSAMPLE"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#FLAG_FASTUPSAMPLE">FLAG_FASTUPSAMPLE</A></CODE></TD>

4
java/doc/deprecated-list.html
View File

@@ -2,12 +2,12 @@
<!--NewPage-->
<HTML>
<HEAD>
<!-- Generated by javadoc (build 1.6.0_31) on Wed Jun 06 03:10:33 CDT 2012 -->
<!-- Generated by javadoc (build 1.6.0_33) on Fri Jun 29 18:36:27 CDT 2012 -->
<TITLE>
Deprecated List
</TITLE>
<META NAME="date" CONTENT="2012-06-06">
<META NAME="date" CONTENT="2012-06-29">
<LINK REL ="stylesheet" TYPE="text/css" HREF="stylesheet.css" TITLE="Style">

4
java/doc/help-doc.html
View File

@@ -2,12 +2,12 @@
<!--NewPage-->
<HTML>
<HEAD>
<!-- Generated by javadoc (build 1.6.0_31) on Wed Jun 06 03:10:33 CDT 2012 -->
<!-- Generated by javadoc (build 1.6.0_33) on Fri Jun 29 18:36:27 CDT 2012 -->
<TITLE>
API Help
</TITLE>
<META NAME="date" CONTENT="2012-06-06">
<META NAME="date" CONTENT="2012-06-29">
<LINK REL ="stylesheet" TYPE="text/css" HREF="stylesheet.css" TITLE="Style">

23
java/doc/index-all.html
View File

@@ -2,12 +2,12 @@
<!--NewPage-->
<HTML>
<HEAD>
<!-- Generated by javadoc (build 1.6.0_31) on Wed Jun 06 03:10:33 CDT 2012 -->
<!-- Generated by javadoc (build 1.6.0_33) on Fri Jun 29 18:36:27 CDT 2012 -->
<TITLE>
Index
</TITLE>
<META NAME="date" CONTENT="2012-06-06">
<META NAME="date" CONTENT="2012-06-29">
<LINK REL ="stylesheet" TYPE="text/css" HREF="./stylesheet.css" TITLE="Style">
@@ -199,30 +199,37 @@ Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#finalize()"><B>finalize()</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>&nbsp;
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#FLAG_ACCURATEDCT"><B>FLAG_ACCURATEDCT</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>Use the most accurate DCT/IDCT algorithm available in the underlying
codec.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#FLAG_BOTTOMUP"><B>FLAG_BOTTOMUP</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>The uncompressed source/destination image is stored in bottom-up (Windows,
OpenGL) order, not top-down (X11) order.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#FLAG_FASTDCT"><B>FLAG_FASTDCT</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>Use the fastest DCT/IDCT algorithm available in the underlying codec.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#FLAG_FASTUPSAMPLE"><B>FLAG_FASTUPSAMPLE</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>Use fast, inaccurate chrominance upsampling routines in the JPEG
decompressor (libjpeg and libjpeg-turbo versions only.)
<DD>When decompressing, use the fastest chrominance upsampling algorithm
available in the underlying codec.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#FLAG_FORCEMMX"><B>FLAG_FORCEMMX</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>Turn off CPU auto-detection and force TurboJPEG to use MMX code
(IPP and 32-bit libjpeg-turbo versions only.)
(if the underlying codec supports it.)
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#FLAG_FORCESSE"><B>FLAG_FORCESSE</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>Turn off CPU auto-detection and force TurboJPEG to use SSE code
(32-bit IPP and 32-bit libjpeg-turbo versions only.)
(if the underlying codec supports it.)
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#FLAG_FORCESSE2"><B>FLAG_FORCESSE2</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>Turn off CPU auto-detection and force TurboJPEG to use SSE2 code
(32-bit IPP and 32-bit libjpeg-turbo versions only.)
(if the underlying codec supports it.)
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#FLAG_FORCESSE3"><B>FLAG_FORCESSE3</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>Turn off CPU auto-detection and force TurboJPEG to use SSE3 code
(64-bit IPP version only.)
(if the underlying codec supports it.)
</DL>
<HR>
<A NAME="_G_"><!-- --></A><H2>

2
java/doc/index.html
View File

@@ -2,7 +2,7 @@
<!--NewPage-->
<HTML>
<HEAD>
<!-- Generated by javadoc on Wed Jun 06 03:10:33 CDT 2012-->
<!-- Generated by javadoc on Fri Jun 29 18:36:27 CDT 2012-->
<TITLE>
Generated Documentation (Untitled)
</TITLE>

83
java/doc/org/libjpegturbo/turbojpeg/TJ.html
View File

@@ -2,12 +2,12 @@
<!--NewPage-->
<HTML>
<HEAD>
<!-- Generated by javadoc (build 1.6.0_31) on Wed Jun 06 03:10:33 CDT 2012 -->
<!-- Generated by javadoc (build 1.6.0_33) on Fri Jun 29 18:36:27 CDT 2012 -->
<TITLE>
TJ
</TITLE>
<META NAME="date" CONTENT="2012-06-06">
<META NAME="date" CONTENT="2012-06-29">
<LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style">
@@ -117,6 +117,15 @@ TurboJPEG utility class (cannot be instantiated)
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_ACCURATEDCT">FLAG_ACCURATEDCT</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Use the most accurate DCT/IDCT algorithm available in the underlying
codec.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_BOTTOMUP">FLAG_BOTTOMUP</A></B></CODE>
<BR>
@@ -126,11 +135,19 @@ TurboJPEG utility class (cannot be instantiated)
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_FASTDCT">FLAG_FASTDCT</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Use the fastest DCT/IDCT algorithm available in the underlying codec.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_FASTUPSAMPLE">FLAG_FASTUPSAMPLE</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Use fast, inaccurate chrominance upsampling routines in the JPEG
decompressor (libjpeg and libjpeg-turbo versions only.)</TD>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;When decompressing, use the fastest chrominance upsampling algorithm
available in the underlying codec.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
@@ -139,7 +156,7 @@ TurboJPEG utility class (cannot be instantiated)
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Turn off CPU auto-detection and force TurboJPEG to use MMX code
(IPP and 32-bit libjpeg-turbo versions only.)</TD>
(if the underlying codec supports it.)</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
@@ -148,7 +165,7 @@ TurboJPEG utility class (cannot be instantiated)
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Turn off CPU auto-detection and force TurboJPEG to use SSE code
(32-bit IPP and 32-bit libjpeg-turbo versions only.)</TD>
(if the underlying codec supports it.)</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
@@ -157,7 +174,7 @@ TurboJPEG utility class (cannot be instantiated)
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Turn off CPU auto-detection and force TurboJPEG to use SSE2 code
(32-bit IPP and 32-bit libjpeg-turbo versions only.)</TD>
(if the underlying codec supports it.)</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
@@ -166,7 +183,7 @@ TurboJPEG utility class (cannot be instantiated)
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Turn off CPU auto-detection and force TurboJPEG to use SSE3 code
(64-bit IPP version only.)</TD>
(if the underlying codec supports it.)</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
@@ -711,7 +728,7 @@ FLAG_FORCEMMX</H3>
public static final int <B>FLAG_FORCEMMX</B></PRE>
<DL>
<DD>Turn off CPU auto-detection and force TurboJPEG to use MMX code
(IPP and 32-bit libjpeg-turbo versions only.)
(if the underlying codec supports it.)
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJ.FLAG_FORCEMMX">Constant Field Values</A></DL>
@@ -724,7 +741,7 @@ FLAG_FORCESSE</H3>
public static final int <B>FLAG_FORCESSE</B></PRE>
<DL>
<DD>Turn off CPU auto-detection and force TurboJPEG to use SSE code
(32-bit IPP and 32-bit libjpeg-turbo versions only.)
(if the underlying codec supports it.)
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJ.FLAG_FORCESSE">Constant Field Values</A></DL>
@@ -737,7 +754,7 @@ FLAG_FORCESSE2</H3>
public static final int <B>FLAG_FORCESSE2</B></PRE>
<DL>
<DD>Turn off CPU auto-detection and force TurboJPEG to use SSE2 code
(32-bit IPP and 32-bit libjpeg-turbo versions only.)
(if the underlying codec supports it.)
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJ.FLAG_FORCESSE2">Constant Field Values</A></DL>
@@ -750,7 +767,7 @@ FLAG_FORCESSE3</H3>
public static final int <B>FLAG_FORCESSE3</B></PRE>
<DL>
<DD>Turn off CPU auto-detection and force TurboJPEG to use SSE3 code
(64-bit IPP version only.)
(if the underlying codec supports it.)
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJ.FLAG_FORCESSE3">Constant Field Values</A></DL>
@@ -762,12 +779,50 @@ FLAG_FASTUPSAMPLE</H3>
<PRE>
public static final int <B>FLAG_FASTUPSAMPLE</B></PRE>
<DL>
<DD>Use fast, inaccurate chrominance upsampling routines in the JPEG
decompressor (libjpeg and libjpeg-turbo versions only.)
<DD>When decompressing, use the fastest chrominance upsampling algorithm
available in the underlying codec. The default is to use smooth
upsampling, which creates a smooth transition between neighboring
chrominance components in order to reduce upsampling artifacts in the
decompressed image.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJ.FLAG_FASTUPSAMPLE">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="FLAG_FASTDCT"><!-- --></A><H3>
FLAG_FASTDCT</H3>
<PRE>
public static final int <B>FLAG_FASTDCT</B></PRE>
<DL>
<DD>Use the fastest DCT/IDCT algorithm available in the underlying codec. The
default if this flag is not specified is implementation-specific. The
libjpeg implementation, for example, uses the fast algorithm by default
when compressing, because this has been shown to have only a very slight
effect on accuracy, but it uses the accurate algorithm when decompressing,
because this has been shown to have a larger effect.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJ.FLAG_FASTDCT">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="FLAG_ACCURATEDCT"><!-- --></A><H3>
FLAG_ACCURATEDCT</H3>
<PRE>
public static final int <B>FLAG_ACCURATEDCT</B></PRE>
<DL>
<DD>Use the most accurate DCT/IDCT algorithm available in the underlying
codec. The default if this flag is not specified is
implementation-specific. The libjpeg implementation, for example, uses
the fast algorithm by default when compressing, because this has been
shown to have only a very slight effect on accuracy, but it uses the
accurate algorithm when decompressing, because this has been shown to have
a larger effect.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJ.FLAG_ACCURATEDCT">Constant Field Values</A></DL>
</DL>
<!-- ========= CONSTRUCTOR DETAIL ======== -->

4
java/doc/org/libjpegturbo/turbojpeg/TJCompressor.html
View File

@@ -2,12 +2,12 @@
<!--NewPage-->
<HTML>
<HEAD>
<!-- Generated by javadoc (build 1.6.0_31) on Wed Jun 06 03:10:33 CDT 2012 -->
<!-- Generated by javadoc (build 1.6.0_33) on Fri Jun 29 18:36:27 CDT 2012 -->
<TITLE>
TJCompressor
</TITLE>
<META NAME="date" CONTENT="2012-06-06">
<META NAME="date" CONTENT="2012-06-29">
<LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style">

4
java/doc/org/libjpegturbo/turbojpeg/TJCustomFilter.html
View File

@@ -2,12 +2,12 @@
<!--NewPage-->
<HTML>
<HEAD>
<!-- Generated by javadoc (build 1.6.0_31) on Wed Jun 06 03:10:33 CDT 2012 -->
<!-- Generated by javadoc (build 1.6.0_33) on Fri Jun 29 18:36:27 CDT 2012 -->
<TITLE>
TJCustomFilter
</TITLE>
<META NAME="date" CONTENT="2012-06-06">
<META NAME="date" CONTENT="2012-06-29">
<LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style">

4
java/doc/org/libjpegturbo/turbojpeg/TJDecompressor.html
View File

@@ -2,12 +2,12 @@
<!--NewPage-->
<HTML>
<HEAD>
<!-- Generated by javadoc (build 1.6.0_31) on Wed Jun 06 03:10:33 CDT 2012 -->
<!-- Generated by javadoc (build 1.6.0_33) on Fri Jun 29 18:36:27 CDT 2012 -->
<TITLE>
TJDecompressor
</TITLE>
<META NAME="date" CONTENT="2012-06-06">
<META NAME="date" CONTENT="2012-06-29">
<LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style">

4
java/doc/org/libjpegturbo/turbojpeg/TJScalingFactor.html
View File

@@ -2,12 +2,12 @@
<!--NewPage-->
<HTML>
<HEAD>
<!-- Generated by javadoc (build 1.6.0_31) on Wed Jun 06 03:10:33 CDT 2012 -->
<!-- Generated by javadoc (build 1.6.0_33) on Fri Jun 29 18:36:27 CDT 2012 -->
<TITLE>
TJScalingFactor
</TITLE>
<META NAME="date" CONTENT="2012-06-06">
<META NAME="date" CONTENT="2012-06-29">
<LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style">

4
java/doc/org/libjpegturbo/turbojpeg/TJTransform.html
View File

@@ -2,12 +2,12 @@
<!--NewPage-->
<HTML>
<HEAD>
<!-- Generated by javadoc (build 1.6.0_31) on Wed Jun 06 03:10:33 CDT 2012 -->
<!-- Generated by javadoc (build 1.6.0_33) on Fri Jun 29 18:36:27 CDT 2012 -->
<TITLE>
TJTransform
</TITLE>
<META NAME="date" CONTENT="2012-06-06">
<META NAME="date" CONTENT="2012-06-29">
<LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style">

4
java/doc/org/libjpegturbo/turbojpeg/TJTransformer.html
View File

@@ -2,12 +2,12 @@
<!--NewPage-->
<HTML>
<HEAD>
<!-- Generated by javadoc (build 1.6.0_31) on Wed Jun 06 03:10:33 CDT 2012 -->
<!-- Generated by javadoc (build 1.6.0_33) on Fri Jun 29 18:36:27 CDT 2012 -->
<TITLE>
TJTransformer
</TITLE>
<META NAME="date" CONTENT="2012-06-06">
<META NAME="date" CONTENT="2012-06-29">
<LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style">

4
java/doc/org/libjpegturbo/turbojpeg/package-frame.html
View File

@@ -2,12 +2,12 @@
<!--NewPage-->
<HTML>
<HEAD>
<!-- Generated by javadoc (build 1.6.0_31) on Wed Jun 06 03:10:33 CDT 2012 -->
<!-- Generated by javadoc (build 1.6.0_33) on Fri Jun 29 18:36:27 CDT 2012 -->
<TITLE>
org.libjpegturbo.turbojpeg
</TITLE>
<META NAME="date" CONTENT="2012-06-06">
<META NAME="date" CONTENT="2012-06-29">
<LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style">

4
java/doc/org/libjpegturbo/turbojpeg/package-summary.html
View File

@@ -2,12 +2,12 @@
<!--NewPage-->
<HTML>
<HEAD>
<!-- Generated by javadoc (build 1.6.0_31) on Wed Jun 06 03:10:33 CDT 2012 -->
<!-- Generated by javadoc (build 1.6.0_33) on Fri Jun 29 18:36:27 CDT 2012 -->
<TITLE>
org.libjpegturbo.turbojpeg
</TITLE>
<META NAME="date" CONTENT="2012-06-06">
<META NAME="date" CONTENT="2012-06-29">
<LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style">

4
java/doc/org/libjpegturbo/turbojpeg/package-tree.html
View File

@@ -2,12 +2,12 @@
<!--NewPage-->
<HTML>
<HEAD>
<!-- Generated by javadoc (build 1.6.0_31) on Wed Jun 06 03:10:33 CDT 2012 -->
<!-- Generated by javadoc (build 1.6.0_33) on Fri Jun 29 18:36:27 CDT 2012 -->
<TITLE>
org.libjpegturbo.turbojpeg Class Hierarchy
</TITLE>
<META NAME="date" CONTENT="2012-06-06">
<META NAME="date" CONTENT="2012-06-29">
<LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style">

4
java/doc/overview-tree.html
View File

@@ -2,12 +2,12 @@
<!--NewPage-->
<HTML>
<HEAD>
<!-- Generated by javadoc (build 1.6.0_31) on Wed Jun 06 03:10:33 CDT 2012 -->
<!-- Generated by javadoc (build 1.6.0_33) on Fri Jun 29 18:36:27 CDT 2012 -->
<TITLE>
Class Hierarchy
</TITLE>
<META NAME="date" CONTENT="2012-06-06">
<META NAME="date" CONTENT="2012-06-29">
<LINK REL ="stylesheet" TYPE="text/css" HREF="stylesheet.css" TITLE="Style">

4
java/doc/serialized-form.html
View File

@@ -2,12 +2,12 @@
<!--NewPage-->
<HTML>
<HEAD>
<!-- Generated by javadoc (build 1.6.0_31) on Wed Jun 06 03:10:33 CDT 2012 -->
<!-- Generated by javadoc (build 1.6.0_33) on Fri Jun 29 18:36:27 CDT 2012 -->
<TITLE>
Serialized Form
</TITLE>
<META NAME="date" CONTENT="2012-06-06">
<META NAME="date" CONTENT="2012-06-29">
<LINK REL ="stylesheet" TYPE="text/css" HREF="stylesheet.css" TITLE="Style">

36
java/org/libjpegturbo/turbojpeg/TJ.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright (C)2011 D. R. Commander. All Rights Reserved.
* Copyright (C)2011-2012 D. R. Commander. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -272,29 +272,51 @@ final public class TJ {
final public static int FLAG_BOTTOMUP = 2;
/**
* Turn off CPU auto-detection and force TurboJPEG to use MMX code
* (IPP and 32-bit libjpeg-turbo versions only.)
* (if the underlying codec supports it.)
*/
final public static int FLAG_FORCEMMX = 8;
/**
* Turn off CPU auto-detection and force TurboJPEG to use SSE code
* (32-bit IPP and 32-bit libjpeg-turbo versions only.)
* (if the underlying codec supports it.)
*/
final public static int FLAG_FORCESSE = 16;
/**
* Turn off CPU auto-detection and force TurboJPEG to use SSE2 code
* (32-bit IPP and 32-bit libjpeg-turbo versions only.)
* (if the underlying codec supports it.)
*/
final public static int FLAG_FORCESSE2 = 32;
/**
* Turn off CPU auto-detection and force TurboJPEG to use SSE3 code
*(64-bit IPP version only.)
* (if the underlying codec supports it.)
*/
final public static int FLAG_FORCESSE3 = 128;
/**
* Use fast, inaccurate chrominance upsampling routines in the JPEG
* decompressor (libjpeg and libjpeg-turbo versions only.)
* When decompressing, use the fastest chrominance upsampling algorithm
* available in the underlying codec. The default is to use smooth
* upsampling, which creates a smooth transition between neighboring
* chrominance components in order to reduce upsampling artifacts in the
* decompressed image.
*/
final public static int FLAG_FASTUPSAMPLE = 256;
/**
* Use the fastest DCT/IDCT algorithm available in the underlying codec. The
* default if this flag is not specified is implementation-specific. The
* libjpeg implementation, for example, uses the fast algorithm by default
* when compressing, because this has been shown to have only a very slight
* effect on accuracy, but it uses the accurate algorithm when decompressing,
* because this has been shown to have a larger effect.
*/
final public static int FLAG_FASTDCT = 2048;
/**
* Use the most accurate DCT/IDCT algorithm available in the underlying
* codec. The default if this flag is not specified is
* implementation-specific. The libjpeg implementation, for example, uses
* the fast algorithm by default when compressing, because this has been
* shown to have only a very slight effect on accuracy, but it uses the
* accurate algorithm when decompressing, because this has been shown to have
* a larger effect.
*/
final public static int FLAG_ACCURATEDCT = 4096;
/**