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Code Issues Releases Activity

avformat/mov: Discard last STSC if its empty

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Fixes: Ticket8508
This commit is contained in:
Michael Niedermayer 2020-02-04 09:45:35 +01:00
parent e057e83a4f
commit 550fa277ef
1 changed files with 4 additions and 0 deletions
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4
libavformat/mov.c
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@ -2677,6 +2677,10 @@ static int mov_read_stsc(MOVContext *c, AVIOContext *pb, MOVAtom atom)
sc->stsc_data[i].id < 1) {
av_log(c->fc, AV_LOG_WARNING, "STSC entry %d is invalid (first=%d count=%d id=%d)\n", i, sc->stsc_data[i].first, sc->stsc_data[i].count, sc->stsc_data[i].id);
if (i+1 >= sc->stsc_count) {
if (sc->stsc_data[i].count == 0 && i > 0) {
sc->stsc_count --;
continue;
}
sc->stsc_data[i].first = FFMAX(sc->stsc_data[i].first, first_min);
if (i > 0 && sc->stsc_data[i].first <= sc->stsc_data[i-1].first)
sc->stsc_data[i].first = FFMIN(sc->stsc_data[i-1].first + 1LL, INT_MAX);