std::shared_ptr<FFmpegAudioStream> audio_stream_from_index (int index) const;
void process_audio_frame (std::shared_ptr<FFmpegAudioStream> stream);
+ void process_video_frame ();
+
bool decode_and_process_video_packet (AVPacket* packet);
void decode_and_process_audio_packet (AVPacket* packet);
void decode_and_process_subtitle_packet (AVPacket* packet);