FFmpeg

Commit Graph

Author	SHA1	Message	Date
Anton Khirnov	809c3023b6	mjpegdec: check for pixel format changes Fixes possible invalid memory access. Based on code by Michael Niedermayer <michaelni@gmx.at> CC: libav-stable@libav.org Bug-ID: CVE-2014-8541 Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind	10 years ago
Michael Niedermayer	970a8f1c25	avcodec/mjpegdec: Fix integer overflow in shift Fixes: signal_sigabrt_7ffff6ac7bb9_2683_cov_4120310995_m_ijpg.avi Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	0eecf40935	avcodec/mjpegdec: Fix context fields becoming inconsistent Fixes out of array access Fixes: asan_heap-oob_1ca4f85_2760_cov_144449187_miss_congeniality_pegasus_ljpg.avi Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	172d22a071	avcodec/mjpegdec: Add YUVA420 formats to *scale asserts Fixes assertion failure Fixes: signal_sigabrt_7ffff6ac7bb9_2042_cov_2593130068_ef1f8a057bb6056674fad92f6b8c0acd.jpg Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	03a17f2bbf	avcodec/mjpegdec: Print the number of bits in the unsupported pixel format error Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	0bf416f262	avcodec/mjpegdec: Check for pixfmtid 0x42111100 \|\| 0x24111100 with more than 8 bits These cases are not supported yet Fixes assertion failure Fixes: signal_sigabrt_7ffff6ac7bb9_1_cov_1553101927_00.jpg Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	2f6550bb9a	avcodec/mjpegdec: fix pixfmtid 0x14111100 Fixes part of Ticket 2004 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	4243415741	avcodec/mjpegdec: Support some subsampled GBR variants Fixes Ticket4045 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	960c573cc5	avcodec/mjpegdec: support pix fmt id 0x22111111 Fixes: 4163724_300.jpg Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Vittorio Giovara	199d9f995d	mjpegdec: fix undefined shift Add a comment to explain the code. CC: libav-stable@libav.org Bug-Id: CID 1194388	10 years ago
Michael Niedermayer	c5ffd7aee5	avcodec/mjpegdec: use FF_CEIL_RSHIFT() for width No testcase known Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	d5a3a20d1e	avcodec/mjpegdec: simplify chroma_height calculation Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	059c842818	avcodec/mjpegdec: Support 24111100 pix fmt id Fixes 129533924_640.jpg Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 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>	10 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>	10 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>	10 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>	10 years ago
Michael Niedermayer	f0d4f00f24	avcodec/mjpegdec: fix green line at the bottom with upscale v Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 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>	10 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

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397 Commits (edeaf6f3a4d7983f3b86465920c7d425dd290362)