- /* Methods to query our input video */
- float frames_per_second () const;
- Size native_size () const;
- int audio_channels () const;
- int audio_sample_rate () const;
- AVSampleFormat audio_sample_format () const;
- int64_t audio_channel_layout () const;
- bool has_subtitles () const;
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- std::vector<AudioStream> audio_streams () const;
- std::vector<SubtitleStream> subtitle_streams () const;