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-rw-r--r--mozilla-libjpeg-turbo.patch54
1 files changed, 54 insertions, 0 deletions
diff --git a/mozilla-libjpeg-turbo.patch b/mozilla-libjpeg-turbo.patch
new file mode 100644
index 0000000..43783de
--- /dev/null
+++ b/mozilla-libjpeg-turbo.patch
@@ -0,0 +1,54 @@
+diff -up xulrunner-1.9.2.7/mozilla-1.9.2/modules/libpr0n/decoders/jpeg/nsJPEGDecoder.cpp.old xulrunner-1.9.2.7/mozilla-1.9.2/modules/libpr0n/decoders/jpeg/nsJPEGDecoder.cpp
+--- xulrunner-1.9.2.7/mozilla/modules/libpr0n/decoders/jpeg/nsJPEGDecoder.cpp.old 2010-07-13 21:10:28.000000000 +0200
++++ xulrunner-1.9.2.7/mozilla/modules/libpr0n/decoders/jpeg/nsJPEGDecoder.cpp 2010-07-22 12:33:21.000000000 +0200
+@@ -57,19 +57,6 @@
+
+ extern "C" {
+ #include "iccjpeg.h"
+-
+-/* Colorspace conversion (copied from jpegint.h) */
+-struct jpeg_color_deconverter {
+- JMETHOD(void, start_pass, (j_decompress_ptr cinfo));
+- JMETHOD(void, color_convert, (j_decompress_ptr cinfo,
+- JSAMPIMAGE input_buf, JDIMENSION input_row,
+- JSAMPARRAY output_buf, int num_rows));
+-};
+-
+-METHODDEF(void)
+-ycc_rgb_convert_argb (j_decompress_ptr cinfo,
+- JSAMPIMAGE input_buf, JDIMENSION input_row,
+- JSAMPARRAY output_buf, int num_rows);
+ }
+
+ NS_IMPL_ISUPPORTS1(nsJPEGDecoder, imgIDecoder)
+@@ -514,14 +501,6 @@ nsresult nsJPEGDecoder::ProcessData(cons
+ return NS_OK; /* I/O suspension */
+ }
+
+- /* Force to use our YCbCr to Packed RGB converter when possible */
+- if (!mTransform && (gfxPlatform::GetCMSMode() == eCMSMode_Off) &&
+- mInfo.jpeg_color_space == JCS_YCbCr && mInfo.out_color_space == JCS_RGB) {
+- /* Special case for the most common case: transform from YCbCr direct into packed ARGB */
+- mInfo.out_color_components = 4; /* Packed ARGB pixels are always 4 bytes...*/
+- mInfo.cconvert->color_convert = ycc_rgb_convert_argb;
+- }
+-
+ /* If this is a progressive JPEG ... */
+ mState = mInfo.buffered_image ? JPEG_DECOMPRESS_PROGRESSIVE : JPEG_DECOMPRESS_SEQUENTIAL;
+ }
+@@ -678,15 +657,6 @@ nsJPEGDecoder::OutputScanlines(PRBool* s
+ PRUint32 *imageRow = ((PRUint32*)mImageData) +
+ (mInfo.output_scanline * mInfo.output_width);
+
+- if (mInfo.cconvert->color_convert == ycc_rgb_convert_argb) {
+- /* Special case: scanline will be directly converted into packed ARGB */
+- if (jpeg_read_scanlines(&mInfo, (JSAMPARRAY)&imageRow, 1) != 1) {
+- *suspend = PR_TRUE; /* suspend */
+- break;
+- }
+- continue; /* all done for this row! */
+- }
+-
+ JSAMPROW sampleRow = (JSAMPROW)imageRow;
+ if (mInfo.output_components == 3) {
+ /* Put the pixels at end of row to enable in-place expansion */