#include <stdio.h>
#include <signal.h>
#include <algorithm>
+#include <chrono>
#include <string>
#include <vector>
#include <QBoxLayout>
#include <QString>
#include "aboutdialog.h"
+#include "disk_space_estimator.h"
#include "flags.h"
#include "glwidget.h"
#include "lrameter.h"
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()
global_mainwindow = this;
ui->setupUi(this);
+ global_disk_space_estimator = new DiskSpaceEstimator(bind(&MainWindow::report_disk_space, this, _1, _2));
+ disk_free_label = new QLabel(this);
+ disk_free_label->setStyleSheet("QLabel {padding-right: 5px;}");
+ ui->menuBar->setCornerWidget(disk_free_label);
+
ui->me_live->set_output(Mixer::OUTPUT_LIVE);
ui->me_preview->set_output(Mixer::OUTPUT_PREVIEW);
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)
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());
ui->locut_cutoff_display->setText(buf);
}
+void MainWindow::report_disk_space(off_t free_bytes, double estimated_seconds_left)
+{
+ char time_str[256];
+ if (estimated_seconds_left < 60.0) {
+ strcpy(time_str, "<font color=\"red\">Less than a minute</font>");
+ } else if (estimated_seconds_left < 1800.0) { // Less than half an hour: Xm Ys (red).
+ int s = lrintf(estimated_seconds_left);
+ int m = s / 60;
+ s %= 60;
+ snprintf(time_str, sizeof(time_str), "<font color=\"red\">%dm %ds</font>", m, s);
+ } else if (estimated_seconds_left < 3600.0) { // Less than an hour: Xm.
+ int m = lrintf(estimated_seconds_left / 60.0);
+ snprintf(time_str, sizeof(time_str), "%dm", m);
+ } else if (estimated_seconds_left < 36000.0) { // Less than ten hours: Xh Ym.
+ int m = lrintf(estimated_seconds_left / 60.0);
+ int h = m / 60;
+ m %= 60;
+ snprintf(time_str, sizeof(time_str), "%dh %dm", h, m);
+ } else { // More than ten hours: Xh.
+ int h = lrintf(estimated_seconds_left / 3600.0);
+ snprintf(time_str, sizeof(time_str), "%dh", h);
+ }
+ char buf[256];
+ snprintf(buf, sizeof(buf), "Disk free: %'.0f MB (approx. %s)", free_bytes / 1048576.0, time_str);
+
+ std::string label = buf;
+
+ post_to_main_thread([this, label]{
+ disk_free_label->setText(QString::fromStdString(label));
+ ui->menuBar->setCornerWidget(disk_free_label); // Need to set this again for the sizing to get right.
+ });
+}
+
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);
+ 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)));
});
}