X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=mainwindow.cpp;h=8a91a3f630dc031ac8414a07fda84af2feb5d768;hb=f65089f8f99aa42e2dec6396a13e797aaafde903;hp=7ec6f0c311077ea613ce3663f3d7da045e362fff;hpb=635bc53e064f4cd96d4271a8a28b59b301d5921d;p=nageru

diff --git a/mainwindow.cpp b/mainwindow.cpp
index 7ec6f0c..8a91a3f 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -92,7 +92,24 @@ void MainWindow::mixer_created(Mixer *mixer)
 		connect(ui_display->wb_button, &QPushButton::clicked, bind(&MainWindow::wb_button_clicked, this, i));
 	}
 
+	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);
+
 	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));
 }
 
@@ -107,8 +124,47 @@ void MainWindow::cutoff_knob_changed(int value)
 	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);