#include <math.h>
#include <stdio.h>
+#include <signal.h>
#include <algorithm>
+#include <chrono>
#include <string>
#include <vector>
#include <QBoxLayout>
+#include <QInputDialog>
#include <QKeySequence>
#include <QLabel>
#include <QMetaType>
#include <QString>
#include "aboutdialog.h"
+#include "flags.h"
#include "glwidget.h"
#include "lrameter.h"
#include "mixer.h"
class QResizeEvent;
using namespace std;
+using namespace std::chrono;
using namespace std::placeholders;
+Q_DECLARE_METATYPE(std::string);
Q_DECLARE_METATYPE(std::vector<std::string>);
MainWindow *global_mainwindow = nullptr;
+namespace {
+
+void schedule_cut_signal(int ignored)
+{
+ global_mixer->schedule_cut();
+}
+
+void quit_signal(int ignored)
+{
+ 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()
: ui(new Ui::MainWindow)
{
// The menus.
connect(ui->cut_action, &QAction::triggered, this, &MainWindow::cut_triggered);
connect(ui->exit_action, &QAction::triggered, this, &MainWindow::exit_triggered);
- connect(ui->about_action, &QAction::triggered, this, &MainWindow::about_triggered),
+ connect(ui->about_action, &QAction::triggered, this, &MainWindow::about_triggered);
- // Hook up the transition buttons.
+ if (global_flags.x264_video_to_http) {
+ connect(ui->x264_bitrate_action, &QAction::triggered, this, &MainWindow::x264_bitrate_triggered);
+ } else {
+ ui->x264_bitrate_action->setEnabled(false);
+ }
+
+ // Hook up the transition buttons. (Keyboard shortcuts are set in set_transition_names().)
// TODO: Make them dynamic.
connect(ui->transition_btn1, &QPushButton::clicked, bind(&MainWindow::transition_clicked, this, 0));
connect(ui->transition_btn2, &QPushButton::clicked, bind(&MainWindow::transition_clicked, this, 1));
transition_btn1 = ui->transition_btn1;
transition_btn2 = ui->transition_btn2;
transition_btn3 = ui->transition_btn3;
+ qRegisterMetaType<string>("std::string");
qRegisterMetaType<vector<string>>("std::vector<std::string>");
- connect(ui->me_preview, &GLWidget::transition_names_updated, this, &MainWindow::set_transition_names);
+ 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)
// Hook up the click.
connect(ui_display->display, &GLWidget::clicked, bind(&MainWindow::channel_clicked, this, i));
- // Let the theme update the text whenever the resolution changed.
- connect(ui_display->display, &GLWidget::resolution_updated, this, &MainWindow::update_channel_name);
+ // Let the theme update the text whenever the resolution or color changed.
+ connect(ui_display->display, &GLWidget::name_updated, this, &MainWindow::update_channel_name);
+ connect(ui_display->display, &GLWidget::color_updated, this, &MainWindow::update_channel_color);
// Hook up the keyboard key.
QShortcut *shortcut = new QShortcut(QKeySequence(Qt::Key_1 + i), this);
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);
+ // TODO: Fetch all of the values these for completeness,
+ // 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->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());
+
+ 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());
global_mixer->set_locut_enabled(state == Qt::Checked);
});
- // Not QDial::valueChanged, as we call setValue() all the time.
- connect(ui->gainstaging_knob, &QAbstractSlider::sliderMoved, this, &MainWindow::gain_staging_knob_changed);
+ connect(ui->gainstaging_knob, &QAbstractSlider::valueChanged, this, &MainWindow::gain_staging_knob_changed);
connect(ui->gainstaging_auto_checkbox, &QCheckBox::stateChanged, [this](int state){
global_mixer->set_gain_staging_auto(state == Qt::Checked);
});
- connect(ui->makeup_gain_knob, &QAbstractSlider::sliderMoved, this, &MainWindow::final_makeup_gain_knob_changed);
+ connect(ui->makeup_gain_knob, &QAbstractSlider::valueChanged, this, &MainWindow::final_makeup_gain_knob_changed);
connect(ui->makeup_gain_auto_checkbox, &QCheckBox::stateChanged, [this](int state){
global_mixer->set_final_makeup_gain_auto(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, _7, _8));
+
+ struct sigaction act;
+ memset(&act, 0, sizeof(act));
+ act.sa_handler = schedule_cut_signal;
+ act.sa_flags = SA_RESTART;
+ sigaction(SIGHUP, &act, nullptr);
+
+ // Mostly for debugging. Don't override SIGINT, that's so evil if
+ // shutdown isn't instant.
+ memset(&act, 0, sizeof(act));
+ act.sa_handler = quit_signal;
+ act.sa_flags = SA_RESTART;
+ sigaction(SIGUSR1, &act, nullptr);
}
void MainWindow::mixer_shutting_down()
global_mixer->schedule_cut();
}
+void MainWindow::x264_bitrate_triggered()
+{
+ bool ok;
+ int new_bitrate = QInputDialog::getInt(this, "Change x264 bitrate", "Choose new bitrate for x264 HTTP output (from 100–100,000 kbit/sec):", global_flags.x264_bitrate, /*min=*/100, /*max=*/100000, /*step=*/100, &ok);
+ if (ok && new_bitrate >= 100 && new_bitrate <= 100000) {
+ global_flags.x264_bitrate = new_bitrate;
+ global_mixer->change_x264_bitrate(new_bitrate);
+ }
+}
+
void MainWindow::exit_triggered()
{
close();
{
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->peak_display->setStyleSheet("");
}
+ ui->gainstaging_knob->blockSignals(true);
ui->gainstaging_knob->setValue(lrintf(gain_staging_db * 10.0f));
- snprintf(buf, sizeof(buf), "%+.1f dB", gain_staging_db);
- ui->gainstaging_db_display->setText(buf);
+ ui->gainstaging_knob->blockSignals(false);
+ 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));
- snprintf(buf, sizeof(buf), "%+.1f dB", final_makeup_gain_db);
- ui->makeup_gain_db_display->setText(buf);
+ ui->makeup_gain_knob->blockSignals(false);
+ ui->makeup_gain_db_display->setText(
+ QString::fromStdString(format_db(final_makeup_gain_db, DB_WITH_SIGN)));
});
}
void MainWindow::set_transition_names(vector<string> transition_names)
{
- if (transition_names.size() < 1) {
+ if (transition_names.size() < 1 || transition_names[0].empty()) {
transition_btn1->setText(QString(""));
} else {
- transition_btn1->setText(QString::fromStdString(transition_names[0]));
+ transition_btn1->setText(QString::fromStdString(transition_names[0] + " (J)"));
+ ui->transition_btn1->setShortcut(QKeySequence("J"));
}
- if (transition_names.size() < 2) {
+ if (transition_names.size() < 2 || transition_names[1].empty()) {
transition_btn2->setText(QString(""));
} else {
- transition_btn2->setText(QString::fromStdString(transition_names[1]));
+ transition_btn2->setText(QString::fromStdString(transition_names[1] + " (K)"));
+ ui->transition_btn2->setShortcut(QKeySequence("K"));
}
- if (transition_names.size() < 3) {
+ if (transition_names.size() < 3 || transition_names[2].empty()) {
transition_btn3->setText(QString(""));
} else {
- transition_btn3->setText(QString::fromStdString(transition_names[2]));
+ transition_btn3->setText(QString::fromStdString(transition_names[2] + " (L)"));
+ ui->transition_btn3->setShortcut(QKeySequence("L"));
+ }
+}
+
+void MainWindow::update_channel_name(Mixer::Output output, const string &name)
+{
+ if (output >= Mixer::OUTPUT_INPUT0) {
+ unsigned channel = output - Mixer::OUTPUT_INPUT0;
+ previews[channel]->label->setText(name.c_str());
}
}
-void MainWindow::update_channel_name(Mixer::Output output)
+void MainWindow::update_channel_color(Mixer::Output output, const string &color)
{
if (output >= Mixer::OUTPUT_INPUT0) {
unsigned channel = output - Mixer::OUTPUT_INPUT0;
- previews[channel]->label->setText(global_mixer->get_channel_name(output).c_str());
+ previews[channel]->frame->setStyleSheet(QString::fromStdString("background-color:" + color));
}
}
projects / nageru / blobdiff