bool pass (PassReason, bool accurate);
void seek (ContentTime time, bool);
void flush ();
bool pass (PassReason, bool accurate);
void seek (ContentTime time, bool);
void flush ();
AVSampleFormat audio_sample_format (boost::shared_ptr<FFmpegAudioStream> stream) const;
int bytes_per_audio_sample (boost::shared_ptr<FFmpegAudioStream> stream) const;
AVSampleFormat audio_sample_format (boost::shared_ptr<FFmpegAudioStream> stream) const;
int bytes_per_audio_sample (boost::shared_ptr<FFmpegAudioStream> stream) const;