return iframe + pframe;
}
+static int theora_packet(AVFormatContext *s, int idx)
+{
+ struct ogg *ogg = s->priv_data;
+ struct ogg_stream *os = ogg->streams + idx;
+ int duration;
+
+ /* first packet handling
+ here we parse the duration of each packet in the first page and compare
+ the total duration to the page granule to find the encoder delay and
+ set the first timestamp */
+
+ if ((!os->lastpts || os->lastpts == AV_NOPTS_VALUE) && !(os->flags & OGG_FLAG_EOS)) {
+ int seg;
+
+ duration = 1;
+ for (seg = os->segp; seg < os->nsegs; seg++) {
+ if (os->segments[seg] < 255)
+ duration ++;
+ }
+
+ os->lastpts = os->lastdts = theora_gptopts(s, idx, os->granule, NULL) - duration;
+ if(s->streams[idx]->start_time == AV_NOPTS_VALUE) {
+ s->streams[idx]->start_time = os->lastpts;
+ if (s->streams[idx]->duration)
+ s->streams[idx]->duration -= s->streams[idx]->start_time;
+ }
+ }
+
+ /* parse packet duration */
+ if (os->psize > 0) {
+ os->pduration = 1;
+ }
+
+ return 0;
+}
+
const struct ogg_codec ff_theora_codec = {
- .magic = "\200theora",
+ .magic = "\200theora",
.magicsize = 7,
- .header = theora_header,
- .packet = theora_packet,
- .gptopts = theora_gptopts,
+ .header = theora_header,
++ .packet = theora_packet,
+ .gptopts = theora_gptopts,
.nb_header = 3,
};