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stop if current sample is higher than sample count

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Originally committed as revision 7689 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2007-01-24 15:46:59 +00:00
parent 08c8831685
commit 649348777e
1 changed files with 6 additions and 2 deletions
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8
libavformat/mov.c
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@ -1494,6 +1494,10 @@ static void mov_build_index(MOVContext *mov, AVStream *st)
if (stsc_index + 1 < sc->sample_to_chunk_sz && i + 1 == sc->sample_to_chunk[stsc_index + 1].first)
stsc_index++;
for (j = 0; j < sc->sample_to_chunk[stsc_index].count; j++) {
if (current_sample >= sc->sample_count) {
av_log(mov->fc, AV_LOG_ERROR, "wrong sample count\n");
goto out;
}
keyframe = !sc->keyframe_count || current_sample + 1 == sc->keyframes[stss_index];
if (keyframe) {
distance = 0;
@ -1509,8 +1513,7 @@ static void mov_build_index(MOVContext *mov, AVStream *st)
current_dts += sc->stts_data[stts_index].duration / sc->time_rate;
distance++;
stts_sample++;
if (current_sample + 1 < sc->sample_count)
current_sample++;
current_sample++;
if (stts_index + 1 < sc->stts_count && stts_sample == sc->stts_data[stts_index].count) {
stts_sample = 0;
stts_index++;
@ -1578,6 +1581,7 @@ static void mov_build_index(MOVContext *mov, AVStream *st)
current_dts += chunk_duration / sc->time_rate;
}
}
out:
/* adjust sample count to avindex entries */
sc->sample_count = st->nb_index_entries;
}