bool pass (PassReason, bool accurate);
void seek (ContentTime time, bool);
void flush ();
- void update_position (ContentTime p);
+ void update_position (boost::optional<ContentTime>& current, ContentTime p);
AVSampleFormat audio_sample_format (boost::shared_ptr<FFmpegAudioStream> stream) const;
int bytes_per_audio_sample (boost::shared_ptr<FFmpegAudioStream> stream) const;