FFmpeg

Commit Graph

Author	SHA1	Message	Date
Vittorio Giovara	199d9f995d	mjpegdec: fix undefined shift Add a comment to explain the code. CC: libav-stable@libav.org Bug-Id: CID 1194388	11 years ago
Michael Niedermayer	c5ffd7aee5	avcodec/mjpegdec: use FF_CEIL_RSHIFT() for width No testcase known Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	d5a3a20d1e	avcodec/mjpegdec: simplify chroma_height calculation Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	059c842818	avcodec/mjpegdec: Support 24111100 pix fmt id Fixes 129533924_640.jpg Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	0db1f2c2c7	avcodec/mjpegdec: sanity check bits Fixes undefined shift Fixes: asan_heap-oob_16668e9_2_asan_heap-oob_16668e9_346_miss_congeniality_pegasus_mjpg.avi Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	5c378d6a6d	avcodec/mjpegdec: check bits per pixel for changes similar to dimensions Fixes out of array accesses Fixes: asan_heap-oob_16668e9_2_asan_heap-oob_16668e9_346_miss_congeniality_pegasus_mjpg.avi Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Clément Bœsch	b96d864fd6	avcodec/mjpegdec: Fix chroma width rounding Fixes vertical line at the right side Fixes Ticket 3929 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	1654ca7d4e	avcodec/mjpegdec: fix rounding of chroma_height Fixes green line at the bottom Fixes Ticket3913 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	f0d4f00f24	avcodec/mjpegdec: fix green line at the bottom with upscale v Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	63a52ca134	avcodec/mjpegdec: fix green vertical line at the right with upscale h Fixes Ticket3891 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	5c7899a483	avcodec/mjpegdec: Support AV_PIX_FMT_YUV420P16 with upscale_h Fixes assertion failure Fixes: test42f.jpg Found-by: Piotr Bandurski <ami_stuff@o2.pl> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Przemysław Sobala	c68098ba4a	avcodec/mjpegdec: add pix_fmt: 0x14121200 Fixes: _15801_F.jpg Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	ef7e8425e8	avcodec/mjpegdec: factorize some parts of the pix_fmt_id switch() Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	784e1cf76b	avcodec/mjpegdec: handle luma upscale detection generically Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	64d98dadc7	avcodec/mjpegdec: set upscale_h/upscale_v using generic code instead of hardcoding a list Some code is left to handle corner cases Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	7558e55345	avcodec/mjpegdec: Support pix_fmt_id==0x11222200 Fixes: 4858286_300.jpg Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	cd417d947e	avcodec/mjpegdec: fix width for non chroma in rescaling Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	4e09300ffa	mjpegdec: Support pix_fmt_id == 0x22112200 Fixes 4780490_300.jpg Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Diego Biurrun	e3fcb14347	dsputil: Split off IDCT bits into their own context	11 years ago
Derek Buitenhuis	2deb614272	mjpegdec: Properly set the context colorspace info The JPEG spec requires it to be this. Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>	11 years ago
Derek Buitenhuis	c11043aca7	mjpegdec: Properly set the context colorspace info The JPEG spec requires it to be this. Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>	11 years ago
Justin Ruggles	9e500efdbe	Add av_image_check_sar() and use it to validate SAR	11 years ago
Diego Biurrun	e74433a8e6	dsputil: Split clear_block/fill_block off into a separate context	11 years ago
Michael Niedermayer	0545ef7116	avcodec/mjpegdec: Improve intel jpeg flip heuristic Fixes Ticket3698 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	149be91374	avcodec/mjpegdec: request a AMV sample with non mod 16 height Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	ec33f59fed	avcodec/mjpegdec: Support pix_fmt_id== 0x42111100 Fixes: 538782_300.jpg Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	aff352be63	avcodec/mjpegdec: zero gb to silence warning about it being possibly uninitialized The code is not speed relevant, also its more robust if the pointers are NULL instead of random. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	8532566e80	avcodec/mjpegdec: use av_mallocz_array() Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	e31727bd53	avcodec/mjpegdec: make type of shift unsigned to avoid undefined behavior Found-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	b432960528	avcodec/mjpegdec: Fix undefined shift Fixes CID1194388 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Carl Eugen Hoyos	ced0d6c14d	Use correct msvc type specifiers for ptrdiff_t and size_t. The Windows runtime aborts if it finds %t or %z. Fixes ticket #3472. Reviewed-by: Ronald Bultje	11 years ago
Justin Ruggles	591c0c26b5	mjpeg: cosmetics: indentation Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>	11 years ago
Justin Ruggles	39ef000e19	mjpeg: Do not fail jpeg decoding on bad EXIF data. It is not required to correctly decode the image. Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>	11 years ago
Thilo Borgmann	8c161d7884	lavc/exif: Make EXIF IFD decoding part of private API/ABI. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	254f653b24	avcodec/jpeglsdec: add PAL8 support Fixes Ticket3478 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	d56c373391	avcodec/mjpegdec: fix cmyk 420 with adobe_transform == 2 Fixes Ticket3516 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	559c8b9ee9	avcodec/mjpegdec: support subsampled 420 CMYK Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	798490812a	avcodec/mjpegdec: upgrade upscale_v to support multiple planes Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	f9059ce794	avcodec/mjpegdec: upgrade upscale_h to support multiple planes Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	dde16f5aae	avcodec/mjpegdec: Switch default interlaced polarity for MJPG to 1 Fixes Ticket3229 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	493296800c	avcodec/mjpegdec: parse avid data from extradata Makes no difference for any file tested but is needed for following bug-fix Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	046a75eea0	avcodec/mjpeg: print info from parse_avid() if requested Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	98f9aa389b	avcodec/mjpegdec: switch interlaced_polarity to 0 for PAL AVID 0 should have been the default, this change should make no difference but this is needed for the following bugfix Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	1083c479eb	avcodec/mjpegdec: factorize parse_avid out Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Vittorio Giovara	1c1fbc70ca	mjpeg: set color_range	11 years ago
Michael Niedermayer	e161c1bbfc	avcodec/mjpegdec: support adob transform 2 Fixes Ticket3426 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	a05635ee01	avcodec/mjpegdec: convert CMYK to GBRAP Fixes Ticket2799 This should be moved into swscale once we have a CMYK pixel format Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	501beae6f9	avcodec/mjpegdec: fix decoding 4th plane Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	6904168c79	avcodec/mjpegdec: Print error in case of CMYK Also fail if AV_EF_EXPLODE is set. We do not fail by default, but rather return some image as it may be usefull to the end user to see what is on the image, for example text could be read quite fine and objects recognized. Possibly fixes Ticket3424 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	681e72a668	avcodec/mjpegdec: parse adobe_transform Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago

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387 Commits (c53a1507aa097ad4793c0d4f840da09dba6ffbaf)