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74e8b2e140
Significant changes relative to 2.1.3
- Fixed a regression introduced in 2.1.3 that caused build failures with Visual Studio 2010.
- The tjDecompressHeader3() function in the TurboJPEG C API and the TJDecompressor.setSourceImage()
method in the TurboJPEG Java API now accept "abbreviated table specification" (AKA "tables-only")
datastreams, which can be used to prime the decompressor with quantization and Huffman tables that
can be used when decompressing subsequent "abbreviated image" datastreams.
- libjpeg-turbo now performs run-time detection of AltiVec instructions on OS X/PowerPC systems if
AltiVec instructions are not enabled at compile time. This allows both AltiVec-equipped (PowerPC G4
and G5) and non-AltiVec-equipped (PowerPC G3) CPUs to be supported using the same build of libjpeg-turbo.
- Fixed an error ("Bogus virtual array access") that occurred when attempting to decompress a progressive
JPEG image with a height less than or equal to one iMCU (8 * the vertical sampling factor) using
buffered-image mode with interblock smoothing enabled. This was a regression introduced by 2.1 beta1[6(b)].
- Fixed two issues that prevented partial image decompression from working properly with buffered-image mode:
* Attempting to call jpeg_crop_scanline() after jpeg_start_decompress() but before jpeg_start_output() resulted
in an error ("Improper call to JPEG library in state 207".)
* Attempting to use jpeg_skip_scanlines() resulted in an error ("Bogus virtual array access") under
certain circumstances.
(From OE-Core rev: cf3e5805ff955e639fa9d9f6a36f75e3f34b4dda)
Signed-off-by: Alexander Kanavin <alex@linutronix.de>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit ec92b905bca2ea773966672283d5f45872091b31)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>