protected:
AVCodecContext* video_codec_context () const;
AVCodecContext* audio_codec_context () const;
boost::shared_ptr<const FFmpegContent> _ffmpeg_content;
protected:
AVCodecContext* video_codec_context () const;
AVCodecContext* audio_codec_context () const;
boost::shared_ptr<const FFmpegContent> _ffmpeg_content;