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3 Commits

Author SHA1 Message Date
Michael Niedermayer
612472c647 avformat/mccdec: Fix overflows in num/den 
Fixes: signed integer overflow: 6365816 * 1000 cannot be represented in type 'int'
Fixes: 29102/clusterfuzz-testcase-minimized-ffmpeg_dem_MCC_fuzzer-6737934184218624

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ff05326081922059314b8927cf9bbc9c7e73458f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-09-08 21:31:50 +02:00
Michael Niedermayer
6c5121379a avformat/mccdec: Use av_sat_add64() for fs 
Fixes: signed integer overflow: -9223372036854775808 + -242 cannot be represented in type 'long'
Fixes: 26910/clusterfuzz-testcase-minimized-ffmpeg_dem_MCC_fuzzer-6723018395090944

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-03-03 16:54:20 +01:00
Paul B Mahol
71f19bf5e3 avformat: add MCC demuxer 
Fixes
2020-06-18 21:31:13 +02:00