void preview() override;
void queue() override;
void play() override;
+ void toggle_lock() override;
void jog(int delta) override;
void switch_camera(unsigned camera_idx) override;
void set_master_speed(float speed) override;
void play_clicked();
void stop_clicked();
void speed_slider_changed(int percent);
+ void speed_lock_clicked();
void live_player_done();
void live_player_clip_progress(const std::map<uint64_t, double> &progress, double time_remaining);
void set_output_status(const std::string &status);