+ // Ask for a relayout, but only after the event loop is done doing relayout
+ // on everything else.
+ QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
+}
+
+void MainWindow::mixer_created(Mixer *mixer)
+{
+ mixer->set_audio_level_callback([this](float level_lufs, float peak_db, float global_level_lufs, float range_low_lufs, float range_high_lufs){
+ 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("");
+ }
+ });
+}
+
+void MainWindow::relayout()
+{
+ int width = size().width();
+ int height = size().height();
+