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avformat/mov: check for tts_count before deferencing tts_data

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Fixes ticket #11460.

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer
2025-02-07 23:00:34 -03:00
parent 16f9cfcf4b
commit 43be8d0728
1 changed files with 1 additions and 1 deletions
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libavformat/mov.c
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@ -5186,7 +5186,7 @@ static int mov_read_trak(MOVContext *c, AVIOContext *pb, MOVAtom atom)
}
if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
int stts_constant = !!sc->stts_count;
int stts_constant = sc->stts_count && sc->tts_count;
if (sc->h_spacing && sc->v_spacing)
av_reduce(&st->sample_aspect_ratio.num, &st->sample_aspect_ratio.den,
sc->h_spacing, sc->v_spacing, INT_MAX);