void audio_level_callback(float level_lufs, float peak_db, std::vector<AudioMixer::BusLevel> bus_levels, float global_level_lufs, float range_low_lufs, float range_high_lufs, float final_makeup_gain_db, float correlation);
std::chrono::steady_clock::time_point last_audio_level_callback;
+ void audio_state_changed();
+
Ui::MainWindow *ui;
QLabel *disk_free_label;
QPushButton *transition_btn1, *transition_btn2, *transition_btn3;