#include <stdio.h>
#include <signal.h>
#include <algorithm>
+#include <chrono>
#include <string>
#include <vector>
#include <QBoxLayout>
class QResizeEvent;
using namespace std;
+using namespace std::chrono;
using namespace std::placeholders;
Q_DECLARE_METATYPE(std::string);
global_mainwindow->close();
}
+constexpr unsigned DB_NO_FLAGS = 0x0;
+constexpr unsigned DB_WITH_SIGN = 0x1;
+constexpr unsigned DB_BARE = 0x2;
+
+string format_db(double db, unsigned flags)
+{
+ string text;
+ if (flags & DB_WITH_SIGN) {
+ if (isfinite(db)) {
+ char buf[256];
+ snprintf(buf, sizeof(buf), "%+.1f", db);
+ text = buf;
+ } else if (db < 0.0) {
+ text = "-∞";
+ } else {
+ // Should never happen, really.
+ text = "+∞";
+ }
+ } else {
+ if (isfinite(db)) {
+ char buf[256];
+ snprintf(buf, sizeof(buf), "%.1f", db);
+ text = buf;
+ } else if (db < 0.0) {
+ text = "-∞";
+ } else {
+ // Should never happen, really.
+ text = "∞";
+ }
+ }
+ if (!(flags & DB_BARE)) {
+ text += " dB";
+ }
+ return text;
+}
+
} // namespace
MainWindow::MainWindow()
qRegisterMetaType<vector<string>>("std::vector<std::string>");
connect(ui->me_live, &GLWidget::transition_names_updated, this, &MainWindow::set_transition_names);
qRegisterMetaType<Mixer::Output>("Mixer::Output");
+
+ last_audio_level_callback = steady_clock::now() - seconds(1);
}
void MainWindow::resizeEvent(QResizeEvent* event)
}
// TODO: Fetch all of the values these for completeness,
- // not just the enable knobs implied by --flat-audio.
+ // not just the enable knobs implied by flags.
ui->locut_enabled->setChecked(global_mixer->get_locut_enabled());
+ ui->gainstaging_knob->setValue(global_mixer->get_gain_staging_db());
ui->gainstaging_auto_checkbox->setChecked(global_mixer->get_gain_staging_auto());
- ui->limiter_enabled->setChecked(global_mixer->get_limiter_enabled());
ui->compressor_enabled->setChecked(global_mixer->get_compressor_enabled());
+ ui->limiter_enabled->setChecked(global_mixer->get_limiter_enabled());
+ ui->makeup_gain_auto_checkbox->setChecked(global_mixer->get_final_makeup_gain_auto());
- 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);
+ ui->limiter_threshold_db_display->setText(
+ QString::fromStdString(format_db(mixer->get_limiter_threshold_dbfs(), DB_WITH_SIGN)));
+ ui->compressor_threshold_db_display->setText(
+ QString::fromStdString(format_db(mixer->get_compressor_threshold_dbfs(), DB_WITH_SIGN)));
connect(ui->locut_cutoff_knob, &QDial::valueChanged, this, &MainWindow::cutoff_knob_changed);
cutoff_knob_changed(ui->locut_cutoff_knob->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);
+ ui->limiter_threshold_db_display->setText(
+ QString::fromStdString(format_db(threshold_dbfs, DB_WITH_SIGN)));
}
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);
+ ui->compressor_threshold_db_display->setText(
+ QString::fromStdString(format_db(threshold_dbfs, DB_WITH_SIGN)));
}
void MainWindow::reset_meters_button_clicked()
{
global_mixer->reset_meters();
- ui->peak_display->setText("-inf");
+ ui->peak_display->setText(QString::fromStdString(format_db(-HUGE_VAL, DB_WITH_SIGN | DB_BARE)));
ui->peak_display->setStyleSheet("");
}
float gain_staging_db, float final_makeup_gain_db,
float correlation)
{
- timeval now;
- gettimeofday(&now, nullptr);
+ 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).
- double last_update_age = now.tv_sec - last_audio_level_callback.tv_sec +
- 1e-6 * (now.tv_usec - last_audio_level_callback.tv_usec);
+ double last_update_age = duration<double>(now - last_audio_level_callback).count();
if (last_update_age < 0.100) {
return;
}
ui->lra_meter->set_levels(global_level_lufs, range_low_lufs, range_high_lufs);
ui->correlation_meter->set_correlation(correlation);
- char buf[256];
- snprintf(buf, sizeof(buf), "%.1f", peak_db);
- ui->peak_display->setText(buf);
+ 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->gainstaging_knob->blockSignals(true);
ui->gainstaging_knob->setValue(lrintf(gain_staging_db * 10.0f));
ui->gainstaging_knob->blockSignals(false);
- snprintf(buf, sizeof(buf), "%+.1f dB", gain_staging_db);
- ui->gainstaging_db_display->setText(buf);
+ ui->gainstaging_db_display->setText(
+ QString::fromStdString(format_db(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);
- snprintf(buf, sizeof(buf), "%+.1f dB", final_makeup_gain_db);
- ui->makeup_gain_db_display->setText(buf);
+ ui->makeup_gain_db_display->setText(
+ QString::fromStdString(format_db(final_makeup_gain_db, DB_WITH_SIGN)));
});
}
projects / nageru / blobdiff