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Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Fixes: OOM
Fixes: 15410/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SVQ3_fuzzer-5659464805384192
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Fixes some SVQ3 encoded files which fail to decode correctly after 6d6faa2a2d.
These files exhibit lots of artifacts and logs show "Media key encryption is not implemented".
However they decode without artifacts before 6d6faa2a2d.
The attatched patch allows these files to successfully decode, but also reject media key files.
Tested on the files in #6094 and http://samples.mplayerhq.hu/V-codecs/SVQ3/Vertical400kbit.sorenson3.mov
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Fixes a warning on ppc:
libavcodec/svq3.c:1055:21: warning: passing argument 1 of ‘av_write_bswap32’ discards 'const' qualifier from pointer target type
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* commit 'b2788fe9347c02b1355574f3d28d60bfe1250ea7':
svq3: fix the slice size check
Merged-by: James Almer <jamrial@gmail.com>
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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>
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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>
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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>
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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>
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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>
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The code does use 16bit sized arrays later so larger deltas would not work
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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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>
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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
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Tested-by: ami_stuff
Fixes a part of ticket #6094.
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libavcodec/svq3.c:627:29: warning: unused function 'dctcoef_get' [-Wunused-function]
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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>
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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>
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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>
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* commit '4e2f6212483ae1b2a4043cddf0a1cb001b476abc':
svq3: stop using H264Picture
Merged-by: Clément Bœsch <u@pkh.me>
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* commit '9df889a5f116c1ee78c2f239e0ba599c492431aa':
h264: rename h264.[ch] to h264dec.[ch]
Merged-by: Clément Bœsch <u@pkh.me>
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* commit '4024b566d664a4b161d677554be52f32e7ad4236':
golomb: Give svq3_get_se_golomb()/svq3_get_ue_golomb() better names
Merged-by: Hendrik Leppkes <h.leppkes@gmail.com>
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* commit '41ed7ab45fc693f7d7fc35664c0233f4c32d69bb':
cosmetics: Fix spelling mistakes
Merged-by: Clément Bœsch <u@pkh.me>
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The SVQ3 decoder has been decoupled from the H.264 decoder, so it can
now use its own data type.
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This is more consistent with the naming of other decoders.
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Signed-off-by: Diego Biurrun <diego@biurrun.de>
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* commit 'a4d126dc59c39bb03e5e444432d1b27af26a45b4':
svq3: eliminate remaining H264Context usage.
Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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* commit '7bbdae81e895a49125dba58bad01b98389966c39':
svq3: move block_offset to SVQ3Context
Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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* commit '1848a154a49d18c1f31f54ee75c7445dc49a7ecc':
svq3: stop using H264Context.gb
Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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* commit 'ea6ab02a174bcc11f3eaa1b840c9a4c895968690':
svq3: move the frame num variables to the SVQ3Context
Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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* commit '21b746932241246be846a133abb3c5f91b1cab85':
svq3: eliminate H264Context.cur_pic usage
Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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* commit '939b388383db8d0db5b2ff483e3a197c27b79791':
svq3: eliminate remaining H264SliceContext usage
Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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* commit '5a5db90edf71ef4c60db8ad7b0ebaa9a810c2d9e':
svq3: move pict_type to the SVQ3Context
Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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* commit '12f13ecb2dcddfa3ee930167395370d3c6fff90c':
svq3: move mb strides/sizes to the SVQ3Context
Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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* commit 'ad9d3384de08f02967d6eb11196ee8c78e8b2dba':
svq3: move the dequant buffer to SVQ3Context
Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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* commit '549fc77273636d0d02175362af5dcd60c79f7633':
svq3: move mb2br_xy to the SVQ3Context
Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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* commit '99dde60391cade40ae026b9e385a5280be6b9882':
svq3: move {ref,mv}_cache to the SVQ3Context
Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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* commit '89a13998a1b5074411dff5a461dce3837057b0b8':
svq3: rip out the svq3-relevant parts of pred_motion() out of h264
Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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* commit '8eecae77ff6e2923de57dd883421d24fd53ca61f':
svq3: move edge_emu_buffer to the SVQ3Context
Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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* commit '527bf5f7c6890664b0f1dccd42397f4d204659fe':
svq3: move the pred mode variables to SVQ3Context
Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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* commit 'ecc31f6b086453ab9811dce2ae5ceb6a7c19e4ad':
h264: move ff_h264_check_intra[4x4]_pred_mode() to h264_parse
Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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* commit '1877712c586df2261f2806f45388c77592b89d1e':
svq3: move mb_{x,y,xy} to SVQ3Context
Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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* commit 'c2a4ca944d9029a3c162f8f3ddd317b83a7bd600':
svq3: eliminate write_back_intra_pred_mode() usage
Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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* commit 'c73fb9efb22c8d66d24de2716f7f9970f234c3c3':
svq3: add all the required dsp contexts into SVQ3Context
Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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* commit '15b0517da986b312fc2fcb364a92db328380b15b':
svq3: make the dsp functions static
Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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copied)
Type was lost in f8d1bb2f2ce9031940019e1cda4d30bc409ee349
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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