+ connect(ui_display->wb_button, &QPushButton::clicked, bind(&MainWindow::wb_button_clicked, this, i));
+ }
+
+ setup_audio_miniview();
+
+ // TODO: Fetch all of the values these for completeness,
+ // not just the enable knobs implied by flags.
+ ui->locut_enabled->setChecked(global_mixer->get_audio_mixer()->get_locut_enabled());
+ ui->gainstaging_knob->setValue(global_mixer->get_audio_mixer()->get_gain_staging_db());
+ ui->gainstaging_auto_checkbox->setChecked(global_mixer->get_audio_mixer()->get_gain_staging_auto());
+ ui->compressor_enabled->setChecked(global_mixer->get_audio_mixer()->get_compressor_enabled());
+ ui->limiter_enabled->setChecked(global_mixer->get_audio_mixer()->get_limiter_enabled());
+ ui->makeup_gain_auto_checkbox->setChecked(global_mixer->get_audio_mixer()->get_final_makeup_gain_auto());
+
+ ui->limiter_threshold_db_display->setText(
+ QString::fromStdString(format_db(mixer->get_audio_mixer()->get_limiter_threshold_dbfs(), DB_WITH_SIGN)));
+ ui->compressor_threshold_db_display->setText(
+ QString::fromStdString(format_db(mixer->get_audio_mixer()->get_compressor_threshold_dbfs(), DB_WITH_SIGN)));
+
+ connect(ui->locut_cutoff_knob, &QDial::valueChanged, this, &MainWindow::cutoff_knob_changed);
+ cutoff_knob_changed(ui->locut_cutoff_knob->value());
+ connect(ui->locut_enabled, &QCheckBox::stateChanged, [this](int state){
+ global_mixer->get_audio_mixer()->set_locut_enabled(state == Qt::Checked);
+ });
+
+ connect(ui->gainstaging_knob, &QAbstractSlider::valueChanged, this, &MainWindow::gain_staging_knob_changed);
+ connect(ui->gainstaging_auto_checkbox, &QCheckBox::stateChanged, [this](int state){
+ global_mixer->get_audio_mixer()->set_gain_staging_auto(state == Qt::Checked);
+ });
+ connect(ui->makeup_gain_knob, &QAbstractSlider::valueChanged, this, &MainWindow::final_makeup_gain_knob_changed);
+ connect(ui->makeup_gain_auto_checkbox, &QCheckBox::stateChanged, [this](int state){
+ global_mixer->get_audio_mixer()->set_final_makeup_gain_auto(state == Qt::Checked);
+ });
+
+ connect(ui->limiter_threshold_knob, &QDial::valueChanged, this, &MainWindow::limiter_threshold_knob_changed);
+ connect(ui->compressor_threshold_knob, &QDial::valueChanged, this, &MainWindow::compressor_threshold_knob_changed);
+ connect(ui->limiter_enabled, &QCheckBox::stateChanged, [this](int state){
+ global_mixer->get_audio_mixer()->set_limiter_enabled(state == Qt::Checked);
+ });
+ connect(ui->compressor_enabled, &QCheckBox::stateChanged, [this](int state){
+ global_mixer->get_audio_mixer()->set_compressor_enabled(state == Qt::Checked);
+ });
+ connect(ui->reset_meters_button, &QPushButton::clicked, this, &MainWindow::reset_meters_button_clicked);
+ mixer->get_audio_mixer()->set_audio_level_callback(bind(&MainWindow::audio_level_callback, this, _1, _2, _3, _4, _5, _6, _7, _8, _9));
+
+ struct sigaction act;
+ memset(&act, 0, sizeof(act));
+ act.sa_handler = schedule_cut_signal;
+ act.sa_flags = SA_RESTART;
+ sigaction(SIGHUP, &act, nullptr);
+
+ // Mostly for debugging. Don't override SIGINT, that's so evil if
+ // shutdown isn't instant.
+ memset(&act, 0, sizeof(act));
+ act.sa_handler = quit_signal;
+ act.sa_flags = SA_RESTART;
+ sigaction(SIGUSR1, &act, nullptr);
+}
+
+void MainWindow::setup_audio_miniview()
+{
+ // Remove any existing channels.
+ for (QLayoutItem *item; (item = ui->faders->takeAt(0)) != nullptr; ) {
+ delete item->widget();
+ delete item;
+ }
+ audio_miniviews.clear();
+
+ // Set up brand new ones from the input mapping.
+ InputMapping mapping = global_mixer->get_audio_mixer()->get_input_mapping();
+ audio_miniviews.resize(mapping.buses.size());
+ for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) {
+ QWidget *channel = new QWidget(this);
+ Ui::AudioMiniView *ui_audio_miniview = new Ui::AudioMiniView;
+ ui_audio_miniview->setupUi(channel);
+ ui_audio_miniview->bus_desc_label->setFullText(
+ QString::fromStdString(mapping.buses[bus_index].name));
+ audio_miniviews[bus_index] = ui_audio_miniview;
+ // TODO: Set the fader position.
+ ui->faders->addWidget(channel);
+
+ connect(ui_audio_miniview->fader, &NonLinearFader::dbValueChanged,
+ bind(&MainWindow::mini_fader_changed, this, ui_audio_miniview, bus_index, _1));
+ }
+}
+
+void MainWindow::mixer_shutting_down()
+{
+ ui->me_live->clean_context();
+ ui->me_preview->clean_context();
+ for (Ui::Display *display : previews) {
+ display->display->clean_context();