Michael Niedermayer ee20d64bec avcodec/msmpeg4dec: Skip frame if its smaller than 1/8 of the minimal size ...

Frames that small are not valid and of limited use for error concealment, while
being very computationally intensive to process.

Fixes: Timeout
Fixes: 11318/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MSMPEG4V1_fuzzer-5710884555456512

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 09ec182864)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

2019-03-21 10:42:51 +01:00

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