avcodec/dsicinvideo: Fail if there is only a small fraction of the data available that comprises a full frame
Fixes: Timeout
Fixes: 6306/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DSICINVIDEO_fuzzer-
5079253549842432
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
5549488bbf3a23c0fb9833cefc6354f97055dd96)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>