- float frames_per_second () const;
- libdcp::Size native_size () const;
- SourceFrame length () const;
- int time_base_numerator () const;
- int time_base_denominator () const;
- int sample_aspect_ratio_numerator () const;
- int sample_aspect_ratio_denominator () const;
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- void set_audio_stream (boost::shared_ptr<AudioStream>);
- void set_subtitle_stream (boost::shared_ptr<SubtitleStream>);
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- bool seek (double);
- bool seek_to_last ();
- void seek_forward ();
- void seek_back ();
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