return ret;
}
end_guid(pb, start);
+
+ if (s->streams[0]->codec->codec_tag != 0x01 /* hence for all other than PCM */
+ && s->pb->seekable) {
+ start_guid(pb, ff_w64_guid_fact, &wav->fact_pos);
+ avio_wl64(pb, 0);
+ end_guid(pb, wav->fact_pos);
+ }
+
start_guid(pb, ff_w64_guid_data, &wav->data);
return 0;
file_size = avio_tell(pb);
avio_seek(pb, 16, SEEK_SET);
avio_wl64(pb, file_size);
- avio_seek(pb, file_size, SEEK_SET);
+ if (s->streams[0]->codec->codec_tag != 0x01) {
+ int64_t number_of_samples;
+
+ number_of_samples = av_rescale(wav->maxpts - wav->minpts + wav->last_duration,
+ s->streams[0]->codec->sample_rate * (int64_t)s->streams[0]->time_base.num,
+ s->streams[0]->time_base.den);
+ avio_seek(pb, wav->fact_pos + 24, SEEK_SET);
+ avio_wl64(pb, number_of_samples);
+ }
+
+ avio_seek(pb, file_size, SEEK_SET);
avio_flush(pb);
}