+ sigc::signal<void, unsigned, unsigned> signal_video_size_changed;
+ sigc::signal<void, float> signal_framerate_changed;
+ sigc::signal<void, const std::string &, const std::string &> signal_codecs_changed;
+ sigc::signal<void> signal_channels_changed;
+ sigc::signal<void, int> signal_current_audio_channel_changed;
+ sigc::signal<void, int> signal_current_spu_channel_changed;
+ sigc::signal<void> signal_finished;