Show historic peak of each bus under the peak meter.

[nageru] / mainwindow.cpp

diff --git a/mainwindow.cpp b/mainwindow.cpp
index 923c4f9f199c45eabfbf05a50c70772e6013db15..261269add87ddd6002ee753eb5aa00b7e7886ce8 100644 (file)
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -127,6 +127,19 @@ string format_db(double db, unsigned flags)
        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()
@@ -579,6 +592,7 @@ void MainWindow::audio_level_callback(float level_lufs, float peak_db, vector<Au
                                        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->peak_meter->set_level(
@@ -592,17 +606,14 @@ void MainWindow::audio_level_callback(float level_lufs, float peak_db, vector<Au
                                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);