FFmpeg

Commit Graph

Author	SHA1	Message	Date
Michael Niedermayer	2c933c5168	avcodec/svq3: Fix overflow in svq3_add_idct_c() Fixes: runtime error: signed integer overflow: 2147392585 + 524288 cannot be represented in type 'int' Fixes: 3348/clusterfuzz-testcase-minimized-4809500517203968 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	7 years ago
Michael Niedermayer	a6eb006ad4	avcodec/svq3: Fix runtime error: left shift of negative value -6 Fixes: 1604/clusterfuzz-testcase-minimized-5312060206350336 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	8 years ago
Michael Niedermayer	86b1b0d33d	avcodec/svq3: Fix runtime error: signed integer overflow: 169 * 12717677 cannot be represented in type 'int' Fixes: 1556/clusterfuzz-testcase-minimized-5027865978470400 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	8 years ago
Michael Niedermayer	ae6fd1790f	avcodec/svq3: Fix multiple runtime error: signed integer overflow: -237341 * 24552 cannot be represented in type 'int' Fixes: 1429/clusterfuzz-testcase-minimized-5959951610544128 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	8 years ago
Michael Niedermayer	669419939c	avcodec/svq3: Fix multiple runtime error: signed integer overflow: 44161 * 61694 cannot be represented in type 'int' Fixes: 1382/clusterfuzz-testcase-minimized-6013445293998080 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	8 years ago
Michael Niedermayer	48b3117844	avcodec/svq3: Reject dx/dy beyond 16bit The code does use 16bit sized arrays later so larger deltas would not work Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	8 years ago
Michael Niedermayer	382b4fc9b5	avcodec/svq3: Increase offsets to prevent integer overflows Fixes: 1280/clusterfuzz-testcase-minimized-6102353767825408 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	8 years ago
Carl Eugen Hoyos	1e298e7724	lavc/svq3: Remove an unused function.	8 years ago
Anton Khirnov	b2788fe934	svq3: fix the slice size check Currently it incorrectly compares bits with bytes. Also, move the check right before where it's relevant, so that the correct number of remaining bits is used. CC: libav-stable@libav.org	8 years ago
Alexandra Hájková	c29da01ac9	svq3: Convert to the new bitstream reader	8 years ago
Diego Biurrun	d4c2103bd3	golomb: Convert to the new bitstream reader	8 years ago
Carl Eugen Hoyos	6d6faa2a2d	lavc/svq3: Fail for media key encryption. Tested-by: ami_stuff Fixes a part of ticket #6094.	8 years ago
Carl Eugen Hoyos	a8cb567e55	lavc: Remove CR/LF from avpriv_request_sample() calls.	8 years ago
Diego Biurrun	13fcdfb976	svq3: Drop unused function dctcoef_get() libavcodec/svq3.c:627:29: warning: unused function 'dctcoef_get' [-Wunused-function]	8 years ago
Michael Niedermayer	2d3099ad8e	avcodec/svq3: Reintroduce slice_type Fixes out of array read Fixes: 1642cd3962249d6aaf0eec2836023fb6/signal_sigsegv_2557a72_2995_04efaf2ff57a052f609a3b4a2ea4e622.mov Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	8 years ago
Michael Niedermayer	2624695484	avcodec/svq3: fix slice size check Fixes out of array read Fixes: 09f46aa2175cade93e3e3932646a56a9/asan_heap-oob_4a5385_2995_498f6abfdc0248288cefe5f4b7ad316c.mov Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	8 years ago
James Almer	be63ef3c4e	avcodec/vdpau: clean up vdpau_internal.h Also don't include it on files that don't need it. This reduces differences with libav Tested-by: Timothy Gu <timothygu99@gmail.com> Reveiwed-by: Carl Eugen Hoyos <ceffmpeg@gmail.com> Signed-off-by: James Almer <jamrial@gmail.com>	8 years ago
Anton Khirnov	4e2f621248	svq3: stop using H264Picture The SVQ3 decoder has been decoupled from the H.264 decoder, so it can now use its own data type.	9 years ago
Anton Khirnov	9df889a5f1	h264: rename h264.[ch] to h264dec.[ch] This is more consistent with the naming of other decoders.	9 years ago
Diego Biurrun	4024b566d6	golomb: Give svq3_get_se_golomb()/svq3_get_ue_golomb() better names	9 years ago
Vittorio Giovara	41ed7ab45f	cosmetics: Fix spelling mistakes Signed-off-by: Diego Biurrun <diego@biurrun.de>	9 years ago
Michael Niedermayer	4efd3ec50a	avcodec/svq3: fix assert type (was av_assert2 in h264 from where this was copied) Type was lost in `f8d1bb2f2c` Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	9 years ago
Anton Khirnov	add1467e5e	svq3: drop the build dependency on the h264 decoder	9 years ago
Anton Khirnov	a4d126dc59	svq3: eliminate remaining H264Context usage.	9 years ago
Anton Khirnov	7bbdae81e8	svq3: move block_offset to SVQ3Context	9 years ago
Anton Khirnov	1848a154a4	svq3: stop using H264Context.gb	9 years ago
Anton Khirnov	ea6ab02a17	svq3: move the frame num variables to the SVQ3Context	9 years ago
Anton Khirnov	21b7469322	svq3: eliminate H264Context.cur_pic usage Use the SVQ3Context variable instead	9 years ago
Anton Khirnov	939b388383	svq3: eliminate remaining H264SliceContext usage	9 years ago
Anton Khirnov	5a5db90edf	svq3: move pict_type to the SVQ3Context	9 years ago
Anton Khirnov	12f13ecb2d	svq3: move mb strides/sizes to the SVQ3Context	9 years ago
Anton Khirnov	ad9d3384de	svq3: move the dequant buffer to SVQ3Context Remove now unnecesary call to ff_h264_alloc_tables()	9 years ago
Anton Khirnov	549fc77273	svq3: move mb2br_xy to the SVQ3Context	9 years ago
Anton Khirnov	99dde60391	svq3: move {ref,mv}_cache to the SVQ3Context	9 years ago
Anton Khirnov	89a13998a1	svq3: rip out the svq3-relevant parts of pred_motion() out of h264	9 years ago
Anton Khirnov	8eecae77ff	svq3: move edge_emu_buffer to the SVQ3Context	9 years ago
Anton Khirnov	527bf5f7c6	svq3: move the pred mode variables to SVQ3Context This will allow removing the H264Context dependency in the future.	9 years ago
Anton Khirnov	ecc31f6b08	h264: move ff_h264_check_intra[4x4]_pred_mode() to h264_parse It is shared with svq3.	9 years ago
Anton Khirnov	1877712c58	svq3: move mb_{x,y,xy} to SVQ3Context This will allow removing the H264Context dependency in the future.	9 years ago
Anton Khirnov	c2a4ca944d	svq3: eliminate write_back_intra_pred_mode() usage This function depends on the h264 internals and is so tiny that just copying the code out is the simplest replacement.	9 years ago
Anton Khirnov	c73fb9efb2	svq3: add all the required dsp contexts into SVQ3Context Stop using the H264Context ones, to allow removing the H264Context dependency.	9 years ago
Anton Khirnov	15b0517da9	svq3: make the dsp functions static There is no need for them to be extern anymore.	9 years ago
Anton Khirnov	e42ca48a8b	svq3: rip out the mb decoding code shared with h264 The ~100 lines of shared code is not worth the pain of svq3 messing with h264 internals.	9 years ago
Diego Biurrun	a7da517f6a	h264data: Move all data tables from a header to a .c file	9 years ago
Diego Biurrun	f4d581cda3	lavc: Deduplicate zigzag_scan table	9 years ago
Luca Barbato	1098f5c049	svq3: Use a separate buffer for decoding the slices The AVPacket.data should be considered read-only.	9 years ago
Vittorio Giovara	def97856de	lavc: AV-prefix all codec capabilities Express bitfields more simply. Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>	9 years ago
Vittorio Giovara	7c6eb0a1b7	lavc: AV-prefix all codec flags Convert doxygen to multiline and express bitfields more simply. Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>	9 years ago
Michael Niedermayer	4e8ee7acb8	libavcodec/svq3: clarify unknown_flag by renaming to has_watermark The name is based on how the field is used in the code Reviewed-by: compn <tempn@mi.rr.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	6197672720	avcodec/svq3: Print unknown fields at debug level Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago

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364 Commits (69218b41980883a7e75656f3058171939f5729ef)