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avformat/mov: Only fail for STCO/STSC contradictions if both exist 

Fixes regression with playback of GF9720Repeal20the20Eighth20with20Helen20Linehan.m4a
See: crbug 822666

Found-by: "Mattias Wadman <mattias.wadman@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2018-05-15 17:07:00 +02:00
parent 56e76bd057
commit 2c2d689c56
1 changed files with 1 additions and 1 deletions
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2
libavformat/mov.c
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@ -4148,7 +4148,7 @@ static int mov_read_trak(MOVContext *c, AVIOContext *pb, MOVAtom atom)
st->index);
return 0;
}
if (sc->stsc_count && sc->stsc_data[ sc->stsc_count - 1 ].first > sc->chunk_count) {
if (sc->chunk_count && sc->stsc_count && sc->stsc_data[ sc->stsc_count - 1 ].first > sc->chunk_count) {
av_log(c->fc, AV_LOG_ERROR, "stream %d, contradictionary STSC and STCO\n",
st->index);
return AVERROR_INVALIDDATA;