if ((!os->lastpts || os->lastpts == AV_NOPTS_VALUE) && !(os->flags & OGG_FLAG_EOS)) {
int seg;
+ int64_t pts;
duration = 1;
for (seg = os->segp; seg < os->nsegs; seg++) {
duration ++;
}
- os->lastpts = os->lastdts = theora_gptopts(s, idx, os->granule, NULL) - duration;
+ pts = theora_gptopts(s, idx, os->granule, NULL);
+ if (pts != AV_NOPTS_VALUE)
+ pts -= duration;
+ os->lastpts = os->lastdts = pts;
if(s->streams[idx]->start_time == AV_NOPTS_VALUE) {
s->streams[idx]->start_time = os->lastpts;
if (s->streams[idx]->duration > 0)