st->nb_frames += avio_rb32(pb); /* priming frames */
st->nb_frames += avio_rb32(pb); /* remainder frames */
- st->duration = 0;
- for (i = 0; i < num_packets; i++) {
- if (avio_feof(pb))
- return AVERROR_INVALIDDATA;
- ret = av_add_index_entry(s->streams[0], pos, st->duration, 0, 0, AVINDEX_KEYFRAME);
- if (ret < 0)
- return ret;
- pos += caf->bytes_per_packet ? caf->bytes_per_packet : ff_mp4_read_descr_len(pb);
- st->duration += caf->frames_per_packet ? caf->frames_per_packet : ff_mp4_read_descr_len(pb);
+ if (caf->bytes_per_packet > 0 && caf->frames_per_packet > 0) {
+ st->duration = caf->frames_per_packet * num_packets;
+ pos = caf-> bytes_per_packet * num_packets;
+ } else {
+ st->duration = 0;
+ for (i = 0; i < num_packets; i++) {
+ if (avio_feof(pb))
+ return AVERROR_INVALIDDATA;
+ ret = av_add_index_entry(s->streams[0], pos, st->duration, 0, 0, AVINDEX_KEYFRAME);
+ if (ret < 0)
+ return ret;
+ pos += caf->bytes_per_packet ? caf->bytes_per_packet : ff_mp4_read_descr_len(pb);
+ st->duration += caf->frames_per_packet ? caf->frames_per_packet : ff_mp4_read_descr_len(pb);
+ }
}
if (avio_tell(pb) - ccount > size) {