fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket>;
/// Seeks to the requested time.
fn seek(&mut self, time: NATimePoint, seek_idx: &SeekIndex) -> DemuxerResult<()>;
+ /// Returns container duration in milliseconds (zero if not available).
+ fn get_duration(&self) -> u64;
}
/// An auxiliary trait to make bytestream reader read packet data.
pub fn get_seek_index(&self) -> &SeekIndex {
&self.seek_idx
}
+ /// Returns media duration reported by container or its streams.
+ ///
+ /// Duration is in milliseconds and set to zero when it is not available.
+ pub fn get_duration(&self) -> u64 {
+ let duration = self.dmx.get_duration();
+ if duration != 0 {
+ return duration;
+ }
+ let mut duration = 0;
+ for stream in self.streams.iter() {
+ if stream.duration > 0 {
+ let dur = NATimeInfo::ts_to_time(stream.duration, 1000, stream.tb_num, stream.tb_den);
+ if duration < dur {
+ duration = dur;
+ }
+ }
+ }
+ duration
+ }
}
impl<'a> NAOptionHandler for Demuxer<'a> {