void preview() override;
void queue() override;
void play() override;
+ void next() override;
void toggle_lock() override;
void jog(int delta) override;
void switch_camera(unsigned camera_idx) override;
void preview_clicked();
void preview_angle_clicked(unsigned stream_idx);
void play_clicked();
+ void next_clicked();
void stop_clicked();
void speed_slider_changed(int percent);
void speed_lock_clicked();