return text;
}
+void set_peak_label(QLabel *peak_label, float peak_db)
+{
+ peak_label->setText(QString::fromStdString(format_db(peak_db, DB_BARE)));
+
+ // -0.1 dBFS is EBU peak limit. We use it consistently, even for the bus meters
+ // (which don't calculate interpolate peak, and in general don't follow EBU recommendations).
+ if (peak_db > -0.1f) {
+ peak_label->setStyleSheet("QLabel { background-color: red; color: white; }");
+ } else {
+ peak_label->setStyleSheet("");
+ }
+}
+
} // namespace
MainWindow::MainWindow()
ui_audio_miniview->bus_desc_label->setFullText(
QString::fromStdString(mapping.buses[bus_index].name));
audio_miniviews[bus_index] = ui_audio_miniview;
+
+ // Set up the peak meter.
+ VUMeter *peak_meter = ui_audio_miniview->peak_meter;
+ peak_meter->set_min_level(-30.0f);
+ peak_meter->set_max_level(0.0f);
+ peak_meter->set_ref_level(0.0f);
+
// TODO: Set the fader position.
ui->faders->addWidget(channel);
connect(ui_audio_miniview->fader, &NonLinearFader::dbValueChanged,
bind(&MainWindow::mini_fader_changed, this, bus_index, _1));
+ connect(ui_audio_miniview->peak_display_label, &ClickableLabel::clicked,
+ [bus_index]() {
+ global_mixer->get_audio_mixer()->reset_peak(bus_index);
+ });
}
}
ui_audio_expanded_view->bus_desc_label->setFullText(
QString::fromStdString(mapping.buses[bus_index].name));
audio_expanded_views[bus_index] = ui_audio_expanded_view;
+ update_eq_label(bus_index, EQ_BAND_TREBLE, global_mixer->get_audio_mixer()->get_eq(bus_index, EQ_BAND_TREBLE));
+ update_eq_label(bus_index, EQ_BAND_MID, global_mixer->get_audio_mixer()->get_eq(bus_index, EQ_BAND_MID));
+ update_eq_label(bus_index, EQ_BAND_BASS, global_mixer->get_audio_mixer()->get_eq(bus_index, EQ_BAND_BASS));
// TODO: Set the fader position.
ui->buses->addWidget(channel);
global_mixer->get_audio_mixer()->set_locut_enabled(bus_index, state == Qt::Checked);
});
+ connect(ui_audio_expanded_view->treble_knob, &QDial::valueChanged,
+ bind(&MainWindow::eq_knob_changed, this, bus_index, EQ_BAND_TREBLE, _1));
+ connect(ui_audio_expanded_view->mid_knob, &QDial::valueChanged,
+ bind(&MainWindow::eq_knob_changed, this, bus_index, EQ_BAND_MID, _1));
+ connect(ui_audio_expanded_view->bass_knob, &QDial::valueChanged,
+ bind(&MainWindow::eq_knob_changed, this, bus_index, EQ_BAND_BASS, _1));
+
ui_audio_expanded_view->gainstaging_knob->setValue(global_mixer->get_audio_mixer()->get_gain_staging_db(bus_index));
ui_audio_expanded_view->gainstaging_auto_checkbox->setChecked(global_mixer->get_audio_mixer()->get_gain_staging_auto(bus_index));
ui_audio_expanded_view->compressor_enabled->setChecked(global_mixer->get_audio_mixer()->get_compressor_enabled(bus_index));
slave_fader(audio_miniviews[bus_index]->fader, ui_audio_expanded_view->fader);
+ // Set up the peak meter.
+ VUMeter *peak_meter = ui_audio_expanded_view->peak_meter;
+ peak_meter->set_min_level(-30.0f);
+ peak_meter->set_max_level(0.0f);
+ peak_meter->set_ref_level(0.0f);
+
+ connect(ui_audio_expanded_view->peak_display_label, &ClickableLabel::clicked,
+ [bus_index]() {
+ global_mixer->get_audio_mixer()->reset_peak(bus_index);
+ });
+
// Set up the compression attenuation meter.
VUMeter *reduction_meter = ui_audio_expanded_view->reduction_meter;
reduction_meter->set_min_level(0.0f);
reduction_meter->set_ref_level(0.0f);
reduction_meter->set_flip(true);
}
+
+ update_cutoff_labels(global_mixer->get_audio_mixer()->get_locut_cutoff());
}
void MainWindow::mixer_shutting_down()
float octaves = value * 0.1f;
float cutoff_hz = 20.0 * pow(2.0, octaves);
global_mixer->get_audio_mixer()->set_locut_cutoff(cutoff_hz);
+ update_cutoff_labels(cutoff_hz);
+}
+void MainWindow::update_cutoff_labels(float cutoff_hz)
+{
char buf[256];
snprintf(buf, sizeof(buf), "%ld Hz", lrintf(cutoff_hz));
ui->locut_cutoff_display->setText(buf);
});
}
+void MainWindow::eq_knob_changed(unsigned bus_index, EQBand band, int value)
+{
+ float gain_db = value * 0.1f;
+ global_mixer->get_audio_mixer()->set_eq(bus_index, band, gain_db);
+
+ update_eq_label(bus_index, band, gain_db);
+}
+
+void MainWindow::update_eq_label(unsigned bus_index, EQBand band, float gain_db)
+{
+ Ui::AudioExpandedView *view = audio_expanded_views[bus_index];
+ string db_string = format_db(gain_db, DB_WITH_SIGN);
+ switch (band) {
+ case EQ_BAND_TREBLE:
+ view->treble_label->setText(QString::fromStdString("Treble: " + db_string));
+ break;
+ case EQ_BAND_MID:
+ view->mid_label->setText(QString::fromStdString("Mid: " + db_string));
+ break;
+ case EQ_BAND_BASS:
+ view->bass_label->setText(QString::fromStdString("Bass: " + db_string));
+ break;
+ default:
+ assert(false);
+ }
+}
+
void MainWindow::limiter_threshold_knob_changed(int value)
{
float threshold_dbfs = value * 0.1f;
steady_clock::time_point now = steady_clock::now();
// The meters are somewhat inefficient to update. Only update them
- // every 100 ms or so (we get updates every 5–20 ms).
+ // every 100 ms or so (we get updates every 5–20 ms). Note that this
+ // means that the digital peak meters are ever so slightly too low
+ // (each update won't be a faithful representation of the highest peak
+ // since the previous update, since there are frames we won't draw),
+ // but the _peak_ of the peak meters will be correct (it's tracked in
+ // AudioMixer, not here), and that's much more important.
double last_update_age = duration<double>(now - last_audio_level_callback).count();
if (last_update_age < 0.100) {
return;
for (unsigned bus_index = 0; bus_index < bus_levels.size(); ++bus_index) {
if (bus_index < audio_miniviews.size()) {
const AudioMixer::BusLevel &level = bus_levels[bus_index];
- audio_miniviews[bus_index]->vu_meter_meter->set_level(level.loudness_lufs);
+ Ui::AudioMiniView *miniview = audio_miniviews[bus_index];
+ miniview->peak_meter->set_level(
+ level.current_level_dbfs[0], level.current_level_dbfs[1]);
+ miniview->peak_meter->set_peak(
+ level.peak_level_dbfs[0], level.peak_level_dbfs[1]);
+ set_peak_label(miniview->peak_display_label, level.historic_peak_dbfs);
Ui::AudioExpandedView *view = audio_expanded_views[bus_index];
- view->vu_meter_meter->set_level(level.loudness_lufs);
+ view->peak_meter->set_level(
+ level.current_level_dbfs[0], level.current_level_dbfs[1]);
+ view->peak_meter->set_peak(
+ level.peak_level_dbfs[0], level.peak_level_dbfs[1]);
view->reduction_meter->set_level(level.compressor_attenuation_db);
view->gainstaging_knob->blockSignals(true);
view->gainstaging_knob->setValue(lrintf(level.gain_staging_db * 10.0f));
view->gainstaging_db_display->setText(
QString("Gain: ") +
QString::fromStdString(format_db(level.gain_staging_db, DB_WITH_SIGN)));
+ set_peak_label(view->peak_display_label, level.historic_peak_dbfs);
}
}
ui->lra_meter->set_levels(global_level_lufs, range_low_lufs, range_high_lufs);
ui->correlation_meter->set_correlation(correlation);
ui->peak_display->setText(QString::fromStdString(format_db(peak_db, DB_BARE)));
- 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("");
- }
+ set_peak_label(ui->peak_display, peak_db);
// NOTE: Will be invisible when using multitrack audio.
ui->gainstaging_knob->blockSignals(true);
projects / nageru / blobdiff