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Fixes: left shift of negative value -2
Fixes: 16964/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VC1IMAGE_fuzzer-5757853565976576
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: out of array access
Fixes: 16601/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VC1IMAGE_fuzzer-5656105392275456
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: left shift of negative value -1
Fixes: 15531/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VC1IMAGE_fuzzer-5759556258365440
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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The B predictor for 4-MV MBs in interlace field pictures is not used
for blocks 0 and 2 when the picture is 1 MB wide.
Signed-off-by: Jerome Borsboom <jerome.borsboom@carpalis.nl>
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The position of the second MV predicitor candidate is slightly different
for the old WMV3 format indicated by RES_RTM_FLAG. This patch fixes
decoding of niceday.wmv on the samples server.
Fixes: #6641
Signed-off-by: Jerome Borsboom <jerome.borsboom@carpalis.nl>
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The B predictor for 4-MV macroblocks is only out of bounds when
the A predictor is also out of bounds.
Signed-off-by: Jerome Borsboom <jerome.borsboom@carpalis.nl>
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correct forgotten v->blocks_off
Signed-off-by: Jerome Borsboom <jerome.borsboom@carpalis.nl>
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scaleforsame_y references ref_field_type. Therefore, it needs to be set
before scaleforsame is called.
Fixes #2557.
Signed-off-by: Jerome Borsboom <jerome.borsboom@carpalis.nl>
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* commit '41ed7ab45fc693f7d7fc35664c0233f4c32d69bb':
cosmetics: Fix spelling mistakes
Merged-by: Clément Bœsch <u@pkh.me>
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Signed-off-by: Diego Biurrun <diego@biurrun.de>
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Fix a rather lengthy initialization warning from clang.
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Found-by: Clang -fsanitize=shift
Reported-by: Thierry Foucu <tfoucu@google.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Found-by: Clang -fsanitize=shift
Reported-by: Thierry Foucu <tfoucu@google.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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This is also simpler
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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* commit 'bc75b64cff37d58f3944e2da3da45c37f35f019a':
vc1pred: remove logically dead code
Conflicts:
libavcodec/vc1_pred.c
See: fca435fee167da981f024e35d9fef4e6179b8061
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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CC: libav-stable@libav.org
Bug-Id: CID 1245699 / CID 1245700
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* commit '04d14c9b68b03e8dbc6e3003c1ee06892dd32576':
vc1: Split the decoder in components
Conflicts:
libavcodec/Makefile
libavcodec/vc1dec.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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Speed up the overall compilation time.
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