X-Git-Url: https://git.sesse.net/?p=nageru;a=blobdiff_plain;f=mainwindow.cpp;h=923c4f9f199c45eabfbf05a50c70772e6013db15;hp=23d76ab8a16c0bd101e9d1ee4393525142194efa;hb=54067dbc70999d936adf9d263b5ff2b1efb4dfd0;hpb=c19209ad2d9f862ae634fefb4b7bb2e30bfc3dc1

diff --git a/mainwindow.cpp b/mainwindow.cpp
index 23d76ab..923c4f9 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -27,6 +27,7 @@
 #include "mixer.h"
 #include "post_to_main_thread.h"
 #include "ui_audio_miniview.h"
+#include "ui_audio_expanded_view.h"
 #include "ui_display.h"
 #include "ui_mainwindow.h"
 #include "vumeter.h"
@@ -54,6 +55,42 @@ void quit_signal(int ignored)
 	global_mainwindow->close();
 }
 
+void slave_knob(QDial *master, QDial *slave)
+{
+	QWidget::connect(master, &QDial::valueChanged, [slave](int value){
+		slave->blockSignals(true);
+		slave->setValue(value);
+		slave->blockSignals(false);
+	});
+	QWidget::connect(slave, &QDial::valueChanged, [master](int value){
+		master->setValue(value);
+	});
+}
+
+void slave_checkbox(QCheckBox *master, QCheckBox *slave)
+{
+	QWidget::connect(master, &QCheckBox::stateChanged, [slave](int state){
+		slave->blockSignals(true);
+		slave->setCheckState(Qt::CheckState(state));
+		slave->blockSignals(false);
+	});
+	QWidget::connect(slave, &QCheckBox::stateChanged, [master](int state){
+		master->setCheckState(Qt::CheckState(state));
+	});
+}
+
+void slave_fader(NonLinearFader *master, NonLinearFader *slave)
+{
+	QWidget::connect(master, &NonLinearFader::dbValueChanged, [slave](double value) {
+		slave->blockSignals(true);
+		slave->setDbValue(value);
+		slave->blockSignals(false);
+	});
+	QWidget::connect(slave, &NonLinearFader::dbValueChanged, [master](double value){
+		master->setDbValue(value);
+	});
+}
+
 constexpr unsigned DB_NO_FLAGS = 0x0;
 constexpr unsigned DB_WITH_SIGN = 0x1;
 constexpr unsigned DB_BARE = 0x2;
@@ -133,6 +170,12 @@ MainWindow::MainWindow()
 	connect(ui->me_live, &GLWidget::transition_names_updated, this, &MainWindow::set_transition_names);
 	qRegisterMetaType<Mixer::Output>("Mixer::Output");
 
+	// Hook up the prev/next buttons on the audio views.
+	connect(ui->compact_prev_page, &QAbstractButton::clicked, bind(&QStackedWidget::setCurrentIndex, ui->audio_views, 1));
+	connect(ui->compact_next_page, &QAbstractButton::clicked, bind(&QStackedWidget::setCurrentIndex, ui->audio_views, 1));
+	connect(ui->full_prev_page, &QAbstractButton::clicked, bind(&QStackedWidget::setCurrentIndex, ui->audio_views, 0));
+	connect(ui->full_next_page, &QAbstractButton::clicked, bind(&QStackedWidget::setCurrentIndex, ui->audio_views, 0));
+
 	last_audio_level_callback = steady_clock::now() - seconds(1);
 }
 
@@ -177,60 +220,70 @@ void MainWindow::mixer_created(Mixer *mixer)
 		connect(ui_display->wb_button, &QPushButton::clicked, bind(&MainWindow::wb_button_clicked, this, i));
 	}
 
-	// Audio miniview: Make some channels!
-	for (unsigned i = 0; i < num_previews; ++i) {
-		Mixer::Output output = Mixer::Output(Mixer::OUTPUT_INPUT0 + i);
+	setup_audio_miniview();
+	setup_audio_expanded_view();
 
-		QWidget *channel = new QWidget(this);
-		Ui::AudioMiniView *ui_audio_miniview = new Ui::AudioMiniView;
-		ui_audio_miniview->setupUi(channel);
-		ui_audio_miniview->channel_desc_label->setFullText(
-			QString::fromStdString(mixer->get_channel_name(output)));
-		ui->faders->addWidget(channel);
-
-		connect(ui_audio_miniview->fader, &QAbstractSlider::valueChanged,
-			bind(&MainWindow::mini_fader_changed, this, ui_audio_miniview, i, _1));
-	}
+	slave_knob(ui->locut_cutoff_knob, ui->locut_cutoff_knob_2);
+	slave_knob(ui->limiter_threshold_knob, ui->limiter_threshold_knob_2);
+	slave_knob(ui->makeup_gain_knob, ui->makeup_gain_knob_2);
+	slave_checkbox(ui->makeup_gain_auto_checkbox, ui->makeup_gain_auto_checkbox_2);
+	slave_checkbox(ui->limiter_enabled, ui->limiter_enabled_2);
 
 	// 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());
+#if 0
+	// TODO: Reenable for simple audio.
+	ui->locut_enabled->setChecked(global_mixer->get_audio_mixer()->get_locut_enabled(0));
+	connect(ui->locut_enabled, &QCheckBox::stateChanged, [this](int state){
+		global_mixer->get_audio_mixer()->set_locut_enabled(0, state == Qt::Checked);
+	});
 	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());
+	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);
+	});
+	ui->compressor_threshold_db_display->setText(
+		QString::fromStdString(format_db(mixer->get_audio_mixer()->get_compressor_threshold_dbfs(), DB_WITH_SIGN)));
+	ui->compressor_threshold_db_display->setText(buf);
+	connect(ui->compressor_threshold_knob, &QDial::valueChanged, this, &MainWindow::compressor_threshold_knob_changed);
+	connect(ui->compressor_enabled, &QCheckBox::stateChanged, [this](int state){
+		global_mixer->get_audio_mixer()->set_compressor_enabled(state == Qt::Checked);
+	});
+#else
+	ui->locut_enabled->setVisible(false);
+	ui->gainstaging_label->setVisible(false);
+	ui->gainstaging_knob->setVisible(false);
+	ui->gainstaging_db_display->setVisible(false);
+	ui->gainstaging_auto_checkbox->setVisible(false);
+	ui->compressor_threshold_label->setVisible(false);
+	ui->compressor_threshold_knob->setVisible(false);
+	ui->compressor_threshold_db_display->setVisible(false);
+	ui->compressor_enabled->setVisible(false);
+#endif
 	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 limiter_threshold_label(
 		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)));
+	ui->limiter_threshold_db_display->setText(limiter_threshold_label);
+	ui->limiter_threshold_db_display_2->setText(limiter_threshold_label);
 
 	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->set_audio_level_callback(bind(&MainWindow::audio_level_callback, this, _1, _2, _3, _4, _5, _6, _7, _8));
+	mixer->get_audio_mixer()->set_audio_level_callback(bind(&MainWindow::audio_level_callback, this, _1, _2, _3, _4, _5, _6, _7, _8));
 
 	struct sigaction act;
 	memset(&act, 0, sizeof(act));
@@ -246,6 +299,98 @@ void MainWindow::mixer_created(Mixer *mixer)
 	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;
+
+		// 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));
+	}
+}
+
+void MainWindow::setup_audio_expanded_view()
+{
+	// Remove any existing channels.
+	for (QLayoutItem *item; (item = ui->buses->takeAt(0)) != nullptr; ) {
+		delete item->widget();
+		delete item;
+	}
+	audio_expanded_views.clear();
+
+	// Set up brand new ones from the input mapping.
+	InputMapping mapping = global_mixer->get_audio_mixer()->get_input_mapping();
+	audio_expanded_views.resize(mapping.buses.size());
+	for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) {
+		QWidget *channel = new QWidget(this);
+		Ui::AudioExpandedView *ui_audio_expanded_view = new Ui::AudioExpandedView;
+		ui_audio_expanded_view->setupUi(channel);
+		ui_audio_expanded_view->bus_desc_label->setFullText(
+			QString::fromStdString(mapping.buses[bus_index].name));
+		audio_expanded_views[bus_index] = ui_audio_expanded_view;
+		// TODO: Set the fader position.
+		ui->buses->addWidget(channel);
+
+		ui_audio_expanded_view->locut_enabled->setChecked(global_mixer->get_audio_mixer()->get_locut_enabled(bus_index));
+		connect(ui_audio_expanded_view->locut_enabled, &QCheckBox::stateChanged, [this, bus_index](int state){
+			global_mixer->get_audio_mixer()->set_locut_enabled(bus_index, state == Qt::Checked);
+		});
+
+		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));
+
+		connect(ui_audio_expanded_view->gainstaging_knob, &QAbstractSlider::valueChanged, bind(&MainWindow::gain_staging_knob_changed, this, bus_index, _1));
+		connect(ui_audio_expanded_view->gainstaging_auto_checkbox, &QCheckBox::stateChanged, [this, bus_index](int state){
+			global_mixer->get_audio_mixer()->set_gain_staging_auto(bus_index, state == Qt::Checked);
+		});
+
+		connect(ui_audio_expanded_view->compressor_threshold_knob, &QDial::valueChanged, bind(&MainWindow::compressor_threshold_knob_changed, this, bus_index, _1));
+		connect(ui_audio_expanded_view->compressor_enabled, &QCheckBox::stateChanged, [this, bus_index](int state){
+			global_mixer->get_audio_mixer()->set_compressor_enabled(bus_index, state == Qt::Checked);
+		});
+
+		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);
+
+		// 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_max_level(10.0f);
+		reduction_meter->set_ref_level(0.0f);
+		reduction_meter->set_flip(true);
+	}
+}
+
 void MainWindow::mixer_shutting_down()
 {
 	ui->me_live->clean_context();
@@ -282,15 +427,23 @@ void MainWindow::about_triggered()
 
 void MainWindow::input_mapping_triggered()
 {
-	InputMappingDialog().exec();
+	if (InputMappingDialog().exec() == QDialog::Accepted) {
+		setup_audio_miniview();
+		setup_audio_expanded_view();
+	}
 }
 
-void MainWindow::gain_staging_knob_changed(int value)
+void MainWindow::gain_staging_knob_changed(unsigned bus_index, int value)
 {
-	ui->gainstaging_auto_checkbox->setCheckState(Qt::Unchecked);
+	if (bus_index == 0) {
+		ui->gainstaging_auto_checkbox->setCheckState(Qt::Unchecked);
+	}
+	if (bus_index < audio_expanded_views.size()) {
+		audio_expanded_views[bus_index]->gainstaging_auto_checkbox->setCheckState(Qt::Unchecked);
+	}
 
 	float gain_db = value * 0.1f;
-	global_mixer->get_audio_mixer()->set_gain_staging_db(gain_db);
+	global_mixer->get_audio_mixer()->set_gain_staging_db(bus_index, gain_db);
 
 	// The label will be updated by the audio level callback.
 }
@@ -314,6 +467,12 @@ void MainWindow::cutoff_knob_changed(int value)
 	char buf[256];
 	snprintf(buf, sizeof(buf), "%ld Hz", lrintf(cutoff_hz));
 	ui->locut_cutoff_display->setText(buf);
+	ui->locut_cutoff_display_2->setText(buf);
+
+	for (unsigned bus_index = 0; bus_index < audio_expanded_views.size(); ++bus_index) {
+		audio_expanded_views[bus_index]->locut_enabled->setText(
+			QString("Lo-cut: ") + buf);
+	}
 }
 
 void MainWindow::report_disk_space(off_t free_bytes, double estimated_seconds_left)
@@ -355,43 +514,55 @@ void MainWindow::limiter_threshold_knob_changed(int value)
 	global_mixer->get_audio_mixer()->set_limiter_threshold_dbfs(threshold_dbfs);
 	ui->limiter_threshold_db_display->setText(
 		QString::fromStdString(format_db(threshold_dbfs, DB_WITH_SIGN)));
+	ui->limiter_threshold_db_display_2->setText(
+		QString::fromStdString(format_db(threshold_dbfs, DB_WITH_SIGN)));
 }
 
-void MainWindow::compressor_threshold_knob_changed(int value)
+void MainWindow::compressor_threshold_knob_changed(unsigned bus_index, int value)
 {
 	float threshold_dbfs = value * 0.1f;
-	global_mixer->get_audio_mixer()->set_compressor_threshold_dbfs(threshold_dbfs);
-	ui->compressor_threshold_db_display->setText(
-		QString::fromStdString(format_db(threshold_dbfs, DB_WITH_SIGN)));
+	global_mixer->get_audio_mixer()->set_compressor_threshold_dbfs(bus_index, threshold_dbfs);
+
+	QString label(QString::fromStdString(format_db(threshold_dbfs, DB_WITH_SIGN)));
+	if (bus_index == 0) {
+		ui->compressor_threshold_db_display->setText(label);
+	}
+	if (bus_index < audio_expanded_views.size()) {
+		audio_expanded_views[bus_index]->compressor_threshold_db_display->setText(label);
+	}
 }
 
-void MainWindow::mini_fader_changed(Ui::AudioMiniView *ui, int channel, int value)
+void MainWindow::mini_fader_changed(int bus, double volume_db)
 {
-	float volume_db = value * 0.1f;
+	QString label(QString::fromStdString(format_db(volume_db, DB_WITH_SIGN)));
+	audio_miniviews[bus]->fader_label->setText(label);
+	audio_expanded_views[bus]->fader_label->setText(label);
 
-	char buf[256];
-	snprintf(buf, sizeof(buf), "%+.1f dB", volume_db);
-	ui->fader_label->setText(buf);
-
-	global_mixer->get_audio_mixer()->set_fader_volume(channel, volume_db);
+	global_mixer->get_audio_mixer()->set_fader_volume(bus, volume_db);
 }
 
 void MainWindow::reset_meters_button_clicked()
 {
-	global_mixer->reset_meters();
+	global_mixer->get_audio_mixer()->reset_meters();
 	ui->peak_display->setText(QString::fromStdString(format_db(-HUGE_VAL, DB_WITH_SIGN | DB_BARE)));
 	ui->peak_display->setStyleSheet("");
 }
 
-void MainWindow::audio_level_callback(float level_lufs, float peak_db, float global_level_lufs,
+void MainWindow::audio_level_callback(float level_lufs, float peak_db, vector<AudioMixer::BusLevel> bus_levels,
+                                      float global_level_lufs,
                                       float range_low_lufs, float range_high_lufs,
-                                      float gain_staging_db, float final_makeup_gain_db,
+                                      float final_makeup_gain_db,
                                       float correlation)
 {
 	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;
@@ -400,6 +571,29 @@ void MainWindow::audio_level_callback(float level_lufs, float peak_db, float glo
 
 	post_to_main_thread([=]() {
 		ui->vu_meter->set_level(level_lufs);
+		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];
+				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]);
+
+				Ui::AudioExpandedView *view = audio_expanded_views[bus_index];
+				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_knob->blockSignals(false);
+				view->gainstaging_db_display->setText(
+					QString("Gain: ") +
+					QString::fromStdString(format_db(level.gain_staging_db, DB_WITH_SIGN)));
+			}
+		}
 		ui->lra_meter->set_levels(global_level_lufs, range_low_lufs, range_high_lufs);
 		ui->correlation_meter->set_correlation(correlation);
 
@@ -410,17 +604,20 @@ void MainWindow::audio_level_callback(float level_lufs, float peak_db, float glo
 			ui->peak_display->setStyleSheet("");
 		}
 
+		// NOTE: Will be invisible when using multitrack audio.
 		ui->gainstaging_knob->blockSignals(true);
-		ui->gainstaging_knob->setValue(lrintf(gain_staging_db * 10.0f));
+		ui->gainstaging_knob->setValue(lrintf(bus_levels[0].gain_staging_db * 10.0f));
 		ui->gainstaging_knob->blockSignals(false);
 		ui->gainstaging_db_display->setText(
-			QString::fromStdString(format_db(gain_staging_db, DB_WITH_SIGN)));
+			QString::fromStdString(format_db(bus_levels[0].gain_staging_db, DB_WITH_SIGN)));
 
 		ui->makeup_gain_knob->blockSignals(true);
 		ui->makeup_gain_knob->setValue(lrintf(final_makeup_gain_db * 10.0f));
 		ui->makeup_gain_knob->blockSignals(false);
 		ui->makeup_gain_db_display->setText(
 			QString::fromStdString(format_db(final_makeup_gain_db, DB_WITH_SIGN)));
+		ui->makeup_gain_db_display_2->setText(
+			QString::fromStdString(format_db(final_makeup_gain_db, DB_WITH_SIGN)));
 	});
 }
 
@@ -444,6 +641,11 @@ void MainWindow::relayout()
 	// Space between the M/E displays and the audio strip.
 	remaining_height -= ui->vertical_layout->spacing();
 
+	// The label above the audio strip.
+	double compact_label_height = ui->compact_label->geometry().height() +
+		ui->compact_audio_layout->spacing();
+	remaining_height -= compact_label_height;
+
 	// The previews will be constrained by the remaining height, and the width.
 	double preview_label_height = previews[0]->title_bar->geometry().height() +
 		previews[0]->main_vertical_layout->spacing();
@@ -452,8 +654,14 @@ void MainWindow::relayout()
 	remaining_height -= preview_height + preview_label_height + ui->vertical_layout->spacing();
 
 	ui->vertical_layout->setStretch(0, lrintf(me_height));
-	ui->vertical_layout->setStretch(1, lrintf(remaining_height));  // Audio strip.
-	ui->vertical_layout->setStretch(2, lrintf(preview_height + preview_label_height));
+	ui->vertical_layout->setStretch(1,
+		lrintf(compact_label_height) +
+		lrintf(remaining_height) +
+		lrintf(preview_height + preview_label_height));  // Audio strip and previews together.
+
+	ui->compact_audio_layout->setStretch(0, lrintf(compact_label_height));
+	ui->compact_audio_layout->setStretch(1, lrintf(remaining_height));  // Audio strip.
+	ui->compact_audio_layout->setStretch(2, lrintf(preview_height + preview_label_height));
 
 	// Set the widths for the previews.
 	double preview_width = preview_height * 16.0 / 9.0;