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movdec: dont divide by zero when stts_data[0].duration = 0.

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Fixes ticket223
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2011-05-22 21:26:13 +02:00
parent a0cd98b594
commit f455f46455
1 changed files with 1 additions and 1 deletions
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2
libavformat/mov.c
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@ -1527,7 +1527,7 @@ static void mov_build_index(MOVContext *mov, AVStream *st)
int rescaled = sc->time_offset < 0 ? av_rescale(sc->time_offset, sc->time_scale, mov->time_scale) : sc->time_offset;
current_dts = -rescaled;
if (sc->ctts_data && sc->stts_data &&
sc->ctts_data[0].duration / sc->stts_data[0].duration > 16) {
sc->ctts_data[0].duration / FFMAX(sc->stts_data[0].duration, 1) > 16) {
/* more than 16 frames delay, dts are likely wrong
this happens with files created by iMovie */
sc->wrong_dts = 1;