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path: root/libavcodec/scpr.c
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2017-09-10avcodec/scpr: optimize shift loop.Michael Niedermayer
Speeds code up from 50sec to 15sec Fixes Timeout Fixes: 3242/clusterfuzz-testcase-5811951672229888 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: James Almer <jamrial@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-07-07scpr: Added missing error checkDerek Buitenhuis
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
2017-05-17avcodec/scpr: mask bits to prevent out of array readMichael Niedermayer
Fixes: 1615/clusterfuzz-testcase-minimized-6625214647500800 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-05-13avcodec/scpr: Fix multiple runtime error: index 256 out of bounds for type ↵Michael Niedermayer
'unsigned int [256]' Fixes: 1519/clusterfuzz-testcase-minimized-5286680976162816 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-05-11avcodec/scpr: Check y in first line loop in decompress_i()Michael Niedermayer
Fixes: out of array access Fixes: 1478/clusterfuzz-testcase-minimized-5285486908145664 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-05-09avcodec/scpr: Fix multiple runtime error: signed integer overflow: ↵Michael Niedermayer
2147483647 + 1 cannot be represented in type 'int' Fixes: 1422/clusterfuzz-testcase-minimized-5030993939398656 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-03-12avcodec/scpr: use correct linesize for prev framePaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2017-03-03avcodec/scpr: fix top left prediction for special case when x is 0 for keyframesPaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2017-02-27avcodec/scpr: check if total_freq is 0 in decode0Paul B Mahol
Fixes SIGFPE, closes #6196. Signed-off-by: Paul B Mahol <onemda@gmail.com>
2017-02-27avcodec/scpr: add support for older versionPaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2017-02-24avcodec/scpr: remove 4 dead storePaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2017-02-24avcodec/scpr: improve motion vectors checking for out of buffer writePaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2017-02-24avcodec/scpr: make sure that component value is <= 0x1F for 16 bpcPaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2017-02-23avcodec/scpr: improve check for out of range motion vectorsPaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2017-02-23avcodec/scpr: check that current row is in valid rangePaul B Mahol
Stops writing out of dst array. Signed-off-by: Paul B Mahol <onemda@gmail.com>
2017-02-23avcodec/scpr: do not allow out of array access for 16bit casePaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2017-02-23avcodec: add ScreenPressor decoderPaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
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