class QResizeEvent;
using namespace std;
+using namespace std::placeholders;
Q_DECLARE_METATYPE(std::vector<std::string>);
previews.push_back(ui_display);
// Hook up the click.
- connect(ui_display->display, &GLWidget::clicked, std::bind(&MainWindow::channel_clicked, this, i));
+ connect(ui_display->display, &GLWidget::clicked, bind(&MainWindow::channel_clicked, this, i));
// Hook up the keyboard key.
QShortcut *shortcut = new QShortcut(QKeySequence(Qt::Key_1 + i), this);
- connect(shortcut, &QShortcut::activated, std::bind(&MainWindow::channel_clicked, this, i));
+ connect(shortcut, &QShortcut::activated, bind(&MainWindow::channel_clicked, this, i));
// Hook up the white balance button (irrelevant if invisible).
ui_display->wb_button->setVisible(mixer->get_supports_set_wb(output));
- connect(ui_display->wb_button, &QPushButton::clicked, std::bind(&MainWindow::wb_button_clicked, this, i));
+ connect(ui_display->wb_button, &QPushButton::clicked, bind(&MainWindow::wb_button_clicked, this, i));
}
- connect(ui->locut_cutoff_knob, &QDial::valueChanged, [this](int value) {
- float octaves = value * 0.1f;
- float cutoff_hz = 20.0 * pow(2.0, octaves);
- global_mixer->set_locut_cutoff(cutoff_hz);
+ char buf[256];
+ snprintf(buf, sizeof(buf), "%.1f dB", mixer->get_limiter_threshold_dbfs());
+ ui->limiter_threshold_db_display->setText(buf);
+ snprintf(buf, sizeof(buf), "%.1f dB", mixer->get_compressor_threshold_dbfs());
+ ui->compressor_threshold_db_display->setText(buf);
- char buf[256];
- snprintf(buf, sizeof(buf), "%ld Hz", lrintf(cutoff_hz));
- ui->locut_cutoff_display->setText(buf);
+ connect(ui->locut_cutoff_knob, &QDial::valueChanged, this, &MainWindow::cutoff_knob_changed);
+ cutoff_knob_changed(ui->locut_cutoff_knob->value());
+
+ 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->set_limiter_enabled(state == Qt::Checked);
});
+ connect(ui->compressor_enabled, &QCheckBox::stateChanged, [this](int state){
+ global_mixer->set_compressor_enabled(state == Qt::Checked);
+ });
+ connect(ui->reset_meters_button, &QPushButton::clicked, this, &MainWindow::reset_meters_button_clicked);
+ mixer->set_audio_level_callback(bind(&MainWindow::audio_level_callback, this, _1, _2, _3, _4, _5, _6));
+}
+
+void MainWindow::cutoff_knob_changed(int value)
+{
+ float octaves = value * 0.1f;
+ float cutoff_hz = 20.0 * pow(2.0, octaves);
+ global_mixer->set_locut_cutoff(cutoff_hz);
+
+ char buf[256];
+ snprintf(buf, sizeof(buf), "%ld Hz", lrintf(cutoff_hz));
+ ui->locut_cutoff_display->setText(buf);
+}
+
+void MainWindow::limiter_threshold_knob_changed(int value)
+{
+ float threshold_dbfs = value * 0.1f;
+ global_mixer->set_limiter_threshold_dbfs(threshold_dbfs);
+
+ char buf[256];
+ snprintf(buf, sizeof(buf), "%.1f dB", threshold_dbfs);
+ ui->limiter_threshold_db_display->setText(buf);
+}
+
+void MainWindow::compressor_threshold_knob_changed(int value)
+{
+ float threshold_dbfs = value * 0.1f;
+ global_mixer->set_compressor_threshold_dbfs(threshold_dbfs);
+
+ char buf[256];
+ snprintf(buf, sizeof(buf), "%.1f dB", threshold_dbfs);
+ ui->compressor_threshold_db_display->setText(buf);
+}
+
+void MainWindow::reset_meters_button_clicked()
+{
+ global_mixer->reset_meters();
+ ui->peak_display->setText("-inf");
+ ui->peak_display->setStyleSheet("");
+}
+
+void MainWindow::audio_level_callback(float level_lufs, float peak_db, float global_level_lufs, float range_low_lufs, float range_high_lufs, float auto_gain_staging_db)
+{
+ timeval now;
+ gettimeofday(&now, nullptr);
+
+ // The meters are somewhat inefficient to update. Only update them
+ // every 100 ms or so (we get updates every 5–20 ms).
+ double last_update_age = now.tv_sec - last_audio_level_callback.tv_sec +
+ 1e-6 * (now.tv_usec - last_audio_level_callback.tv_usec);
+ if (last_update_age < 0.100) {
+ return;
+ }
+ last_audio_level_callback = now;
+
+ post_to_main_thread([=]() {
+ ui->vu_meter->set_level(level_lufs);
+ ui->lra_meter->set_levels(global_level_lufs, range_low_lufs, range_high_lufs);
+
+ char buf[256];
+ snprintf(buf, sizeof(buf), "%.1f", peak_db);
+ ui->peak_display->setText(buf);
+ if (peak_db > -0.1f) { // -0.1 dBFS is EBU peak limit.
+ ui->peak_display->setStyleSheet("QLabel { background-color: red; color: white; }");
+ } else {
+ ui->peak_display->setStyleSheet("");
+ }
- mixer->set_audio_level_callback([this](float level_lufs, float peak_db, float global_level_lufs, float range_low_lufs, float range_high_lufs, float auto_gain_staging_db){
- post_to_main_thread([=]() {
- ui->vu_meter->set_level(level_lufs);
- ui->lra_meter->set_levels(global_level_lufs, range_low_lufs, range_high_lufs);
-
- char buf[256];
- snprintf(buf, sizeof(buf), "%.1f", peak_db);
- ui->peak_display->setText(buf);
- if (peak_db > -0.1f) { // -0.1 dBFS is EBU peak limit.
- ui->peak_display->setStyleSheet("QLabel { background-color: red; color: white; }");
- } else {
- ui->peak_display->setStyleSheet("");
- }
-
- ui->gainstaging_knob->setValue(lrintf(auto_gain_staging_db * 10.0f));
- snprintf(buf, sizeof(buf), "%+.1f dB", auto_gain_staging_db);
- ui->gainstaging_db_display->setText(buf);
- });
+ ui->gainstaging_knob->setValue(lrintf(auto_gain_staging_db * 10.0f));
+ snprintf(buf, sizeof(buf), "%+.1f dB", auto_gain_staging_db);
+ ui->gainstaging_db_display->setText(buf);
});
}