avformat/thp: Require a video stream

The demuxer code assumes the existence of a video stream

Fixes: assertion failure
Fixes: 21512/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5699660783288320

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2020-04-15 20:27:27 +02:00
parent 20f7b4dfc9
commit 97c78caf3e
1 changed files with 3 additions and 0 deletions

View File

@ -145,6 +145,9 @@ static int thp_read_header(AVFormatContext *s)
}
}
if (!thp->vst)
return AVERROR_INVALIDDATA;
return 0;
}