1 #include "mainwindow.h"
8 #include <QAbstractButton>
9 #include <QAbstractSlider>
11 #include <QActionGroup>
12 #include <QApplication>
15 #include <QDesktopServices>
22 #include <QInputDialog>
23 #include <QKeySequence>
25 #include <QLayoutItem>
27 #include <QMessageBox>
28 #include <QMouseEvent>
30 #include <QPushButton>
34 #include <QStackedWidget>
35 #include <QToolButton>
47 #include "aboutdialog.h"
48 #include "alsa_pool.h"
50 #include "clickable_label.h"
51 #include "context_menus.h"
52 #include "correlation_meter.h"
53 #include "disk_space_estimator.h"
54 #include "ellipsis_label.h"
57 #include "input_mapping.h"
58 #include "input_mapping_dialog.h"
60 #include "midi_mapping.pb.h"
61 #include "midi_mapping_dialog.h"
63 #include "nonlinear_fader.h"
64 #include "post_to_main_thread.h"
65 #include "ui_audio_expanded_view.h"
66 #include "ui_audio_miniview.h"
67 #include "ui_display.h"
68 #include "ui_mainwindow.h"
72 using namespace std::chrono;
73 using namespace std::placeholders;
75 Q_DECLARE_METATYPE(std::string);
76 Q_DECLARE_METATYPE(std::vector<std::string>);
78 MainWindow *global_mainwindow = nullptr;
80 // -0.1 dBFS is EBU peak limit. We use it consistently, even for the bus meters
81 // (which don't calculate interpolate peak, and in general don't follow EBU recommendations).
82 constexpr float peak_limit_dbfs = -0.1f;
86 void schedule_cut_signal(int ignored)
88 global_mixer->schedule_cut();
91 void quit_signal(int ignored)
93 global_mainwindow->close();
96 void slave_knob(QDial *master, QDial *slave)
98 QWidget::connect(master, &QDial::valueChanged, [slave](int value){
99 slave->blockSignals(true);
100 slave->setValue(value);
101 slave->blockSignals(false);
103 QWidget::connect(slave, &QDial::valueChanged, [master](int value){
104 master->setValue(value);
108 void slave_checkbox(QCheckBox *master, QCheckBox *slave)
110 QWidget::connect(master, &QCheckBox::stateChanged, [slave](int state){
111 slave->blockSignals(true);
112 slave->setCheckState(Qt::CheckState(state));
113 slave->blockSignals(false);
115 QWidget::connect(slave, &QCheckBox::stateChanged, [master](int state){
116 master->setCheckState(Qt::CheckState(state));
120 void slave_fader(NonLinearFader *master, NonLinearFader *slave)
122 QWidget::connect(master, &NonLinearFader::dbValueChanged, [slave](double value) {
123 slave->blockSignals(true);
124 slave->setDbValue(value);
125 slave->blockSignals(false);
127 QWidget::connect(slave, &NonLinearFader::dbValueChanged, [master](double value){
128 master->setDbValue(value);
132 constexpr unsigned DB_NO_FLAGS = 0x0;
133 constexpr unsigned DB_WITH_SIGN = 0x1;
134 constexpr unsigned DB_BARE = 0x2;
136 string format_db(double db, unsigned flags)
139 if (flags & DB_WITH_SIGN) {
142 snprintf(buf, sizeof(buf), "%+.1f", db);
144 } else if (db < 0.0) {
147 // Should never happen, really.
153 snprintf(buf, sizeof(buf), "%.1f", db);
155 } else if (db < 0.0) {
158 // Should never happen, really.
162 if (!(flags & DB_BARE)) {
168 void set_peak_label(QLabel *peak_label, float peak_db)
170 peak_label->setText(QString::fromStdString(format_db(peak_db, DB_BARE)));
172 if (peak_db > peak_limit_dbfs) {
173 peak_label->setStyleSheet("QLabel { background-color: red; color: white; }");
175 peak_label->setStyleSheet("");
181 MainWindow::MainWindow()
182 : ui(new Ui::MainWindow), midi_mapper(this)
184 global_mainwindow = this;
187 global_disk_space_estimator = new DiskSpaceEstimator(bind(&MainWindow::report_disk_space, this, _1, _2));
188 disk_free_label = new QLabel(this);
189 disk_free_label->setStyleSheet("QLabel {padding-right: 5px;}");
190 ui->menuBar->setCornerWidget(disk_free_label);
192 QActionGroup *audio_mapping_group = new QActionGroup(this);
193 ui->simple_audio_mode->setActionGroup(audio_mapping_group);
194 ui->multichannel_audio_mode->setActionGroup(audio_mapping_group);
196 ui->me_live->set_output(Mixer::OUTPUT_LIVE);
197 ui->me_preview->set_output(Mixer::OUTPUT_PREVIEW);
200 connect(ui->cut_action, &QAction::triggered, this, &MainWindow::cut_triggered);
201 connect(ui->exit_action, &QAction::triggered, this, &MainWindow::exit_triggered);
202 connect(ui->manual_action, &QAction::triggered, this, &MainWindow::manual_triggered);
203 connect(ui->about_action, &QAction::triggered, this, &MainWindow::about_triggered);
204 connect(ui->open_analyzer_action, &QAction::triggered, this, &MainWindow::open_analyzer_triggered);
205 connect(ui->simple_audio_mode, &QAction::triggered, this, &MainWindow::simple_audio_mode_triggered);
206 connect(ui->multichannel_audio_mode, &QAction::triggered, this, &MainWindow::multichannel_audio_mode_triggered);
207 connect(ui->input_mapping_action, &QAction::triggered, this, &MainWindow::input_mapping_triggered);
208 connect(ui->midi_mapping_action, &QAction::triggered, this, &MainWindow::midi_mapping_triggered);
209 connect(ui->timecode_stream_action, &QAction::triggered, this, &MainWindow::timecode_stream_triggered);
210 connect(ui->timecode_stdout_action, &QAction::triggered, this, &MainWindow::timecode_stdout_triggered);
212 ui->timecode_stream_action->setChecked(global_flags.display_timecode_in_stream);
213 ui->timecode_stdout_action->setChecked(global_flags.display_timecode_on_stdout);
215 if (global_flags.x264_video_to_http && isinf(global_flags.x264_crf)) {
216 connect(ui->x264_bitrate_action, &QAction::triggered, this, &MainWindow::x264_bitrate_triggered);
218 ui->x264_bitrate_action->setEnabled(false);
221 connect(ui->video_menu, &QMenu::aboutToShow, [this]{
222 fill_hdmi_sdi_output_device_menu(ui->hdmi_sdi_output_device_menu);
223 fill_hdmi_sdi_output_resolution_menu(ui->hdmi_sdi_output_resolution_menu);
226 // Hook up the transition buttons. (Keyboard shortcuts are set in set_transition_names().)
227 // TODO: Make them dynamic.
228 connect(ui->transition_btn1, &QPushButton::clicked, bind(&MainWindow::transition_clicked, this, 0));
229 connect(ui->transition_btn2, &QPushButton::clicked, bind(&MainWindow::transition_clicked, this, 1));
230 connect(ui->transition_btn3, &QPushButton::clicked, bind(&MainWindow::transition_clicked, this, 2));
233 transition_btn1 = ui->transition_btn1;
234 transition_btn2 = ui->transition_btn2;
235 transition_btn3 = ui->transition_btn3;
236 qRegisterMetaType<string>("std::string");
237 qRegisterMetaType<vector<string>>("std::vector<std::string>");
238 connect(ui->me_live, &GLWidget::transition_names_updated, this, &MainWindow::set_transition_names);
239 qRegisterMetaType<Mixer::Output>("Mixer::Output");
241 // Hook up the prev/next buttons on the audio views.
242 auto prev_page = [this]{
243 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
244 ui->audio_views->setCurrentIndex((ui->audio_views->currentIndex() + 2) % 3);
246 ui->audio_views->setCurrentIndex(2 - ui->audio_views->currentIndex()); // Switch between 0 and 2.
249 auto next_page = [this]{
250 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
251 ui->audio_views->setCurrentIndex((ui->audio_views->currentIndex() + 1) % 3);
253 ui->audio_views->setCurrentIndex(2 - ui->audio_views->currentIndex()); // Switch between 0 and 2.
256 connect(ui->compact_prev_page, &QAbstractButton::clicked, prev_page);
257 connect(ui->compact_next_page, &QAbstractButton::clicked, next_page);
258 connect(ui->full_prev_page, &QAbstractButton::clicked, prev_page);
259 connect(ui->full_next_page, &QAbstractButton::clicked, next_page);
260 connect(ui->video_grid_prev_page, &QAbstractButton::clicked, prev_page);
261 connect(ui->video_grid_next_page, &QAbstractButton::clicked, next_page);
263 // And bind the same to PgUp/PgDown.
264 connect(new QShortcut(QKeySequence::MoveToNextPage, this), &QShortcut::activated, next_page);
265 connect(new QShortcut(QKeySequence::MoveToPreviousPage, this), &QShortcut::activated, prev_page);
267 // When the audio view changes, move the previews.
268 connect(ui->audio_views, &QStackedWidget::currentChanged, bind(&MainWindow::audio_view_changed, this, _1));
270 if (global_flags.enable_quick_cut_keys) {
271 ui->quick_cut_enable_action->setChecked(true);
273 connect(ui->quick_cut_enable_action, &QAction::changed, [this](){
274 global_flags.enable_quick_cut_keys = ui->quick_cut_enable_action->isChecked();
277 last_audio_level_callback = steady_clock::now() - seconds(1);
279 if (!global_flags.midi_mapping_filename.empty()) {
280 MIDIMappingProto midi_mapping;
281 if (!load_midi_mapping_from_file(global_flags.midi_mapping_filename, &midi_mapping)) {
282 fprintf(stderr, "Couldn't load MIDI mapping '%s'; exiting.\n",
283 global_flags.midi_mapping_filename.c_str());
286 midi_mapper.set_midi_mapping(midi_mapping);
288 midi_mapper.refresh_highlights();
289 midi_mapper.refresh_lights();
292 void MainWindow::resizeEvent(QResizeEvent* event)
294 QMainWindow::resizeEvent(event);
296 // Ask for a relayout, but only after the event loop is done doing relayout
297 // on everything else.
298 QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
301 void MainWindow::mixer_created(Mixer *mixer)
303 // Make the previews.
304 unsigned num_previews = mixer->get_num_channels();
306 const char qwerty[] = "QWERTYUIOP";
307 for (unsigned i = 0; i < num_previews; ++i) {
308 Mixer::Output output = Mixer::Output(Mixer::OUTPUT_INPUT0 + i);
310 QWidget *preview = new QWidget(this); // Will be connected to a layout immediately after the loop.
311 Ui::Display *ui_display = new Ui::Display;
312 ui_display->setupUi(preview);
313 ui_display->label->setText(mixer->get_channel_name(output).c_str());
314 ui_display->display->set_output(output);
315 previews.push_back(ui_display);
317 // Hook up the click.
318 connect(ui_display->display, &GLWidget::clicked, bind(&MainWindow::channel_clicked, this, i));
320 // Let the theme update the text whenever the resolution or color changed.
321 connect(ui_display->display, &GLWidget::name_updated, this, &MainWindow::update_channel_name);
322 connect(ui_display->display, &GLWidget::color_updated, this, &MainWindow::update_channel_color);
324 // Hook up the keyboard key.
325 QShortcut *shortcut = new QShortcut(QKeySequence(Qt::Key_1 + i), this);
326 connect(shortcut, &QShortcut::activated, bind(&MainWindow::channel_clicked, this, i));
328 // Hook up the quick-cut key.
329 if (i < strlen(qwerty)) {
330 QShortcut *shortcut = new QShortcut(QKeySequence(qwerty[i]), this);
331 connect(shortcut, &QShortcut::activated, bind(&MainWindow::quick_cut_activated, this, i));
334 // Hook up the white balance button (irrelevant if invisible).
335 ui_display->wb_button->setVisible(mixer->get_supports_set_wb(output));
336 connect(ui_display->wb_button, &QPushButton::clicked, bind(&MainWindow::wb_button_clicked, this, i));
339 // Connect the previews to the correct layout.
340 audio_view_changed(ui->audio_views->currentIndex());
342 global_audio_mixer->set_state_changed_callback(bind(&MainWindow::audio_state_changed, this));
344 slave_knob(ui->locut_cutoff_knob, ui->locut_cutoff_knob_2);
345 slave_knob(ui->limiter_threshold_knob, ui->limiter_threshold_knob_2);
346 slave_knob(ui->makeup_gain_knob, ui->makeup_gain_knob_2);
347 slave_checkbox(ui->makeup_gain_auto_checkbox, ui->makeup_gain_auto_checkbox_2);
348 slave_checkbox(ui->limiter_enabled, ui->limiter_enabled_2);
350 reset_audio_mapping_ui();
352 // TODO: Fetch all of the values these for completeness,
353 // not just the enable knobs implied by flags.
354 ui->limiter_enabled->setChecked(global_audio_mixer->get_limiter_enabled());
355 ui->makeup_gain_auto_checkbox->setChecked(global_audio_mixer->get_final_makeup_gain_auto());
357 // Controls used only for simple audio fetch their state from the first bus.
358 constexpr unsigned simple_bus_index = 0;
359 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
360 ui->locut_enabled->setChecked(global_audio_mixer->get_locut_enabled(simple_bus_index));
361 ui->gainstaging_knob->setValue(global_audio_mixer->get_gain_staging_db(simple_bus_index));
362 ui->gainstaging_auto_checkbox->setChecked(global_audio_mixer->get_gain_staging_auto(simple_bus_index));
363 ui->compressor_enabled->setChecked(global_audio_mixer->get_compressor_enabled(simple_bus_index));
364 ui->compressor_threshold_db_display->setText(
365 QString::fromStdString(format_db(mixer->get_audio_mixer()->get_compressor_threshold_dbfs(simple_bus_index), DB_WITH_SIGN)));
367 connect(ui->locut_enabled, &QCheckBox::stateChanged, [this](int state){
368 global_audio_mixer->set_locut_enabled(simple_bus_index, state == Qt::Checked);
369 midi_mapper.refresh_lights();
371 connect(ui->gainstaging_knob, &QAbstractSlider::valueChanged,
372 bind(&MainWindow::gain_staging_knob_changed, this, simple_bus_index, _1));
373 connect(ui->gainstaging_auto_checkbox, &QCheckBox::stateChanged, [this, simple_bus_index](int state){
374 global_audio_mixer->set_gain_staging_auto(simple_bus_index, state == Qt::Checked);
375 midi_mapper.refresh_lights();
377 connect(ui->compressor_threshold_knob, &QDial::valueChanged,
378 bind(&MainWindow::compressor_threshold_knob_changed, this, simple_bus_index, _1));
379 connect(ui->compressor_enabled, &QCheckBox::stateChanged, [this, simple_bus_index](int state){
380 global_audio_mixer->set_compressor_enabled(simple_bus_index, state == Qt::Checked);
381 midi_mapper.refresh_lights();
384 // Global mastering controls.
385 QString limiter_threshold_label(
386 QString::fromStdString(format_db(mixer->get_audio_mixer()->get_limiter_threshold_dbfs(), DB_WITH_SIGN)));
387 ui->limiter_threshold_db_display->setText(limiter_threshold_label);
388 ui->limiter_threshold_db_display_2->setText(limiter_threshold_label);
390 connect(ui->locut_cutoff_knob, &QDial::valueChanged, this, &MainWindow::cutoff_knob_changed);
391 cutoff_knob_changed(ui->locut_cutoff_knob->value());
393 connect(ui->makeup_gain_knob, &QAbstractSlider::valueChanged, this, &MainWindow::final_makeup_gain_knob_changed);
394 connect(ui->makeup_gain_auto_checkbox, &QCheckBox::stateChanged, [this](int state){
395 global_audio_mixer->set_final_makeup_gain_auto(state == Qt::Checked);
396 midi_mapper.refresh_lights();
399 connect(ui->limiter_threshold_knob, &QDial::valueChanged, this, &MainWindow::limiter_threshold_knob_changed);
400 connect(ui->limiter_enabled, &QCheckBox::stateChanged, [this](int state){
401 global_audio_mixer->set_limiter_enabled(state == Qt::Checked);
402 midi_mapper.refresh_lights();
404 connect(ui->reset_meters_button, &QPushButton::clicked, this, &MainWindow::reset_meters_button_clicked);
405 // Even though we have a reset button right next to it, the fact that
406 // the expanded audio view labels are clickable makes it natural to
407 // click this one as well.
408 connect(ui->peak_display, &ClickableLabel::clicked, this, &MainWindow::reset_meters_button_clicked);
409 mixer->get_audio_mixer()->set_audio_level_callback(bind(&MainWindow::audio_level_callback, this, _1, _2, _3, _4, _5, _6, _7, _8));
411 midi_mapper.refresh_highlights();
412 midi_mapper.refresh_lights();
413 midi_mapper.start_thread();
415 analyzer.reset(new Analyzer);
417 global_mixer->set_theme_menu_callback(bind(&MainWindow::setup_theme_menu, this));
420 struct sigaction act;
421 memset(&act, 0, sizeof(act));
422 act.sa_handler = schedule_cut_signal;
423 act.sa_flags = SA_RESTART;
424 sigaction(SIGHUP, &act, nullptr);
426 // Mostly for debugging. Don't override SIGINT, that's so evil if
427 // shutdown isn't instant.
428 memset(&act, 0, sizeof(act));
429 act.sa_handler = quit_signal;
430 act.sa_flags = SA_RESTART;
431 sigaction(SIGUSR1, &act, nullptr);
434 void MainWindow::reset_audio_mapping_ui()
436 bool simple = (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE);
438 ui->simple_audio_mode->setChecked(simple);
439 ui->multichannel_audio_mode->setChecked(!simple);
440 ui->input_mapping_action->setEnabled(!simple);
441 ui->midi_mapping_action->setEnabled(!simple);
443 ui->locut_enabled->setVisible(simple);
444 ui->gainstaging_label->setVisible(simple);
445 ui->gainstaging_knob->setVisible(simple);
446 ui->gainstaging_db_display->setVisible(simple);
447 ui->gainstaging_auto_checkbox->setVisible(simple);
448 ui->compressor_threshold_label->setVisible(simple);
449 ui->compressor_threshold_knob->setVisible(simple);
450 ui->compressor_threshold_db_display->setVisible(simple);
451 ui->compressor_enabled->setVisible(simple);
453 setup_audio_miniview();
454 setup_audio_expanded_view();
457 ui->compact_label->setText("Compact audio view (1/2) ");
458 ui->video_grid_label->setText("Video grid display (2/2) ");
459 if (ui->audio_views->currentIndex() == 1) {
460 // Full audio view is not available in simple mode.
461 ui->audio_views->setCurrentIndex(0);
464 ui->compact_label->setText("Compact audio view (1/3) ");
465 ui->full_label->setText("Full audio view (2/3) ");
466 ui->video_grid_label->setText("Video grid display (3/3) ");
469 midi_mapper.refresh_highlights();
470 midi_mapper.refresh_lights();
473 void MainWindow::setup_audio_miniview()
475 // Remove any existing channels.
476 for (QLayoutItem *item; (item = ui->faders->takeAt(0)) != nullptr; ) {
477 delete item->widget();
480 audio_miniviews.clear();
482 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
486 // Set up brand new ones from the input mapping.
487 InputMapping mapping = global_audio_mixer->get_input_mapping();
488 audio_miniviews.resize(mapping.buses.size());
489 for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) {
490 QWidget *channel = new QWidget(this);
491 Ui::AudioMiniView *ui_audio_miniview = new Ui::AudioMiniView;
492 ui_audio_miniview->setupUi(channel);
493 ui_audio_miniview->bus_desc_label->setFullText(
494 QString::fromStdString(mapping.buses[bus_index].name));
495 audio_miniviews[bus_index] = ui_audio_miniview;
497 // Set up the peak meter.
498 VUMeter *peak_meter = ui_audio_miniview->peak_meter;
499 peak_meter->set_min_level(-30.0f);
500 peak_meter->set_max_level(0.0f);
501 peak_meter->set_ref_level(0.0f);
503 ui_audio_miniview->fader->setDbValue(global_audio_mixer->get_fader_volume(bus_index));
505 ui->faders->addWidget(channel);
507 connect(ui_audio_miniview->fader, &NonLinearFader::dbValueChanged,
508 bind(&MainWindow::mini_fader_changed, this, bus_index, _1));
509 connect(ui_audio_miniview->peak_display_label, &ClickableLabel::clicked,
511 global_audio_mixer->reset_peak(bus_index);
516 void MainWindow::setup_audio_expanded_view()
518 // Remove any existing channels.
519 for (QLayoutItem *item; (item = ui->buses->takeAt(0)) != nullptr; ) {
520 delete item->widget();
523 audio_expanded_views.clear();
525 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
529 // Set up brand new ones from the input mapping.
530 InputMapping mapping = global_audio_mixer->get_input_mapping();
531 audio_expanded_views.resize(mapping.buses.size());
532 for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) {
533 QWidget *channel = new QWidget(this);
534 Ui::AudioExpandedView *ui_audio_expanded_view = new Ui::AudioExpandedView;
535 ui_audio_expanded_view->setupUi(channel);
536 ui_audio_expanded_view->bus_desc_label->setFullText(
537 QString::fromStdString(mapping.buses[bus_index].name));
538 audio_expanded_views[bus_index] = ui_audio_expanded_view;
539 update_eq_label(bus_index, EQ_BAND_TREBLE, global_audio_mixer->get_eq(bus_index, EQ_BAND_TREBLE));
540 update_eq_label(bus_index, EQ_BAND_MID, global_audio_mixer->get_eq(bus_index, EQ_BAND_MID));
541 update_eq_label(bus_index, EQ_BAND_BASS, global_audio_mixer->get_eq(bus_index, EQ_BAND_BASS));
542 ui_audio_expanded_view->fader->setDbValue(global_audio_mixer->get_fader_volume(bus_index));
543 ui_audio_expanded_view->mute_button->setChecked(global_audio_mixer->get_mute(bus_index));
544 connect(ui_audio_expanded_view->mute_button, &QPushButton::toggled,
545 bind(&MainWindow::mute_button_toggled, this, bus_index, _1));
546 ui->buses->addWidget(channel);
548 ui_audio_expanded_view->locut_enabled->setChecked(global_audio_mixer->get_locut_enabled(bus_index));
549 connect(ui_audio_expanded_view->locut_enabled, &QCheckBox::stateChanged, [this, bus_index](int state){
550 global_audio_mixer->set_locut_enabled(bus_index, state == Qt::Checked);
551 midi_mapper.refresh_lights();
554 connect(ui_audio_expanded_view->treble_knob, &QDial::valueChanged,
555 bind(&MainWindow::eq_knob_changed, this, bus_index, EQ_BAND_TREBLE, _1));
556 connect(ui_audio_expanded_view->mid_knob, &QDial::valueChanged,
557 bind(&MainWindow::eq_knob_changed, this, bus_index, EQ_BAND_MID, _1));
558 connect(ui_audio_expanded_view->bass_knob, &QDial::valueChanged,
559 bind(&MainWindow::eq_knob_changed, this, bus_index, EQ_BAND_BASS, _1));
561 ui_audio_expanded_view->gainstaging_knob->setValue(global_audio_mixer->get_gain_staging_db(bus_index));
562 ui_audio_expanded_view->gainstaging_auto_checkbox->setChecked(global_audio_mixer->get_gain_staging_auto(bus_index));
563 ui_audio_expanded_view->compressor_enabled->setChecked(global_audio_mixer->get_compressor_enabled(bus_index));
565 connect(ui_audio_expanded_view->gainstaging_knob, &QAbstractSlider::valueChanged, bind(&MainWindow::gain_staging_knob_changed, this, bus_index, _1));
566 connect(ui_audio_expanded_view->gainstaging_auto_checkbox, &QCheckBox::stateChanged, [this, bus_index](int state){
567 global_audio_mixer->set_gain_staging_auto(bus_index, state == Qt::Checked);
568 midi_mapper.refresh_lights();
571 connect(ui_audio_expanded_view->compressor_threshold_knob, &QDial::valueChanged, bind(&MainWindow::compressor_threshold_knob_changed, this, bus_index, _1));
572 connect(ui_audio_expanded_view->compressor_enabled, &QCheckBox::stateChanged, [this, bus_index](int state){
573 global_audio_mixer->set_compressor_enabled(bus_index, state == Qt::Checked);
574 midi_mapper.refresh_lights();
577 slave_fader(audio_miniviews[bus_index]->fader, ui_audio_expanded_view->fader);
579 // Set up the peak meter.
580 VUMeter *peak_meter = ui_audio_expanded_view->peak_meter;
581 peak_meter->set_min_level(-30.0f);
582 peak_meter->set_max_level(0.0f);
583 peak_meter->set_ref_level(0.0f);
585 connect(ui_audio_expanded_view->peak_display_label, &ClickableLabel::clicked,
586 [this, bus_index]() {
587 global_audio_mixer->reset_peak(bus_index);
588 midi_mapper.refresh_lights();
592 update_cutoff_labels(global_audio_mixer->get_locut_cutoff());
595 void MainWindow::mixer_shutting_down()
597 ui->me_live->shutdown();
598 ui->me_preview->shutdown();
600 for (Ui::Display *display : previews) {
601 display->display->shutdown();
604 analyzer->mixer_shutting_down();
607 void MainWindow::cut_triggered()
609 global_mixer->schedule_cut();
612 void MainWindow::x264_bitrate_triggered()
615 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);
616 if (ok && new_bitrate >= 100 && new_bitrate <= 100000) {
617 global_flags.x264_bitrate = new_bitrate;
618 global_mixer->change_x264_bitrate(new_bitrate);
622 void MainWindow::exit_triggered()
627 void MainWindow::manual_triggered()
629 if (!QDesktopServices::openUrl(QUrl("https://nageru.sesse.net/doc/"))) {
631 msgbox.setText("Could not launch manual in web browser.\nPlease see https://nageru.sesse.net/doc/ manually.");
636 void MainWindow::about_triggered()
638 AboutDialog().exec();
641 void MainWindow::open_analyzer_triggered()
646 void MainWindow::simple_audio_mode_triggered()
648 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
651 unsigned card_index = global_audio_mixer->get_simple_input();
652 if (card_index == numeric_limits<unsigned>::max()) {
653 QMessageBox::StandardButton reply =
654 QMessageBox::question(this,
655 "Mapping too complex",
656 "The current audio mapping is too complicated to be representable in simple mode, "
657 "and will be discarded if you proceed. Really go to simple audio mode?",
658 QMessageBox::Yes | QMessageBox::No);
659 if (reply == QMessageBox::No) {
660 ui->simple_audio_mode->setChecked(false);
661 ui->multichannel_audio_mode->setChecked(true);
666 global_audio_mixer->set_simple_input(/*card_index=*/card_index);
667 reset_audio_mapping_ui();
670 void MainWindow::multichannel_audio_mode_triggered()
672 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
676 // Take the generated input mapping from the simple input,
677 // and set it as a normal multichannel mapping, which causes
678 // the mode to go to multichannel.
679 global_audio_mixer->set_input_mapping(global_audio_mixer->get_input_mapping());
680 reset_audio_mapping_ui();
683 void MainWindow::input_mapping_triggered()
685 if (InputMappingDialog().exec() == QDialog::Accepted) {
686 setup_audio_miniview();
687 setup_audio_expanded_view();
689 midi_mapper.refresh_highlights();
690 midi_mapper.refresh_lights();
693 void MainWindow::midi_mapping_triggered()
695 MIDIMappingDialog(&midi_mapper).exec();
698 void MainWindow::timecode_stream_triggered()
700 global_mixer->set_display_timecode_in_stream(ui->timecode_stream_action->isChecked());
703 void MainWindow::timecode_stdout_triggered()
705 global_mixer->set_display_timecode_on_stdout(ui->timecode_stdout_action->isChecked());
708 void MainWindow::gain_staging_knob_changed(unsigned bus_index, int value)
710 if (bus_index == 0) {
711 ui->gainstaging_auto_checkbox->setCheckState(Qt::Unchecked);
713 if (bus_index < audio_expanded_views.size()) {
714 audio_expanded_views[bus_index]->gainstaging_auto_checkbox->setCheckState(Qt::Unchecked);
717 float gain_db = value * 0.1f;
718 global_audio_mixer->set_gain_staging_db(bus_index, gain_db);
720 // The label will be updated by the audio level callback.
723 void MainWindow::final_makeup_gain_knob_changed(int value)
725 ui->makeup_gain_auto_checkbox->setCheckState(Qt::Unchecked);
727 float gain_db = value * 0.1f;
728 global_audio_mixer->set_final_makeup_gain_db(gain_db);
730 // The label will be updated by the audio level callback.
733 void MainWindow::cutoff_knob_changed(int value)
735 float octaves = value * 0.1f;
736 float cutoff_hz = 20.0 * pow(2.0, octaves);
737 global_audio_mixer->set_locut_cutoff(cutoff_hz);
738 update_cutoff_labels(cutoff_hz);
741 void MainWindow::update_cutoff_labels(float cutoff_hz)
744 snprintf(buf, sizeof(buf), "%ld Hz", lrintf(cutoff_hz));
745 ui->locut_cutoff_display->setText(buf);
746 ui->locut_cutoff_display_2->setText(buf);
748 for (unsigned bus_index = 0; bus_index < audio_expanded_views.size(); ++bus_index) {
749 audio_expanded_views[bus_index]->locut_enabled->setText(
750 QString("Lo-cut: ") + buf);
754 void MainWindow::report_disk_space(off_t free_bytes, double estimated_seconds_left)
757 if (estimated_seconds_left < 60.0) {
758 strcpy(time_str, "<font color=\"red\">Less than a minute</font>");
759 } else if (estimated_seconds_left < 1800.0) { // Less than half an hour: Xm Ys (red).
760 int s = lrintf(estimated_seconds_left);
763 snprintf(time_str, sizeof(time_str), "<font color=\"red\">%dm %ds</font>", m, s);
764 } else if (estimated_seconds_left < 3600.0) { // Less than an hour: Xm.
765 int m = lrintf(estimated_seconds_left / 60.0);
766 snprintf(time_str, sizeof(time_str), "%dm", m);
767 } else if (estimated_seconds_left < 36000.0) { // Less than ten hours: Xh Ym.
768 int m = lrintf(estimated_seconds_left / 60.0);
771 snprintf(time_str, sizeof(time_str), "%dh %dm", h, m);
772 } else { // More than ten hours: Xh.
773 int h = lrintf(estimated_seconds_left / 3600.0);
774 snprintf(time_str, sizeof(time_str), "%dh", h);
777 snprintf(buf, sizeof(buf), "Disk free: %'.0f MB (approx. %s)", free_bytes / 1048576.0, time_str);
779 std::string label = buf;
781 post_to_main_thread([this, label]{
782 disk_free_label->setText(QString::fromStdString(label));
783 ui->menuBar->setCornerWidget(disk_free_label); // Need to set this again for the sizing to get right.
787 void MainWindow::eq_knob_changed(unsigned bus_index, EQBand band, int value)
789 float gain_db = value * 0.1f;
790 global_audio_mixer->set_eq(bus_index, band, gain_db);
792 update_eq_label(bus_index, band, gain_db);
795 void MainWindow::update_eq_label(unsigned bus_index, EQBand band, float gain_db)
797 Ui::AudioExpandedView *view = audio_expanded_views[bus_index];
798 string db_string = format_db(gain_db, DB_WITH_SIGN);
801 view->treble_label->setText(QString::fromStdString("Treble: " + db_string));
804 view->mid_label->setText(QString::fromStdString("Mid: " + db_string));
807 view->bass_label->setText(QString::fromStdString("Bass: " + db_string));
814 void MainWindow::setup_theme_menu()
816 std::vector<Theme::MenuEntry> theme_menu_entries = global_mixer->get_theme_menu();
818 if (theme_menu != nullptr) {
819 ui->menuBar->removeAction(theme_menu->menuAction());
820 theme_menu = nullptr;
823 if (!theme_menu_entries.empty()) {
824 theme_menu = new QMenu("&Theme");
825 for (const Theme::MenuEntry &entry : theme_menu_entries) {
826 QAction *action = theme_menu->addAction(QString::fromStdString(entry.text));
827 connect(action, &QAction::triggered, [entry] {
828 global_mixer->theme_menu_entry_clicked(entry.lua_ref);
831 ui->menuBar->insertMenu(ui->menu_Help->menuAction(), theme_menu);
835 void MainWindow::limiter_threshold_knob_changed(int value)
837 float threshold_dbfs = value * 0.1f;
838 global_audio_mixer->set_limiter_threshold_dbfs(threshold_dbfs);
839 ui->limiter_threshold_db_display->setText(
840 QString::fromStdString(format_db(threshold_dbfs, DB_WITH_SIGN)));
841 ui->limiter_threshold_db_display_2->setText(
842 QString::fromStdString(format_db(threshold_dbfs, DB_WITH_SIGN)));
845 void MainWindow::compressor_threshold_knob_changed(unsigned bus_index, int value)
847 float threshold_dbfs = value * 0.1f;
848 global_audio_mixer->set_compressor_threshold_dbfs(bus_index, threshold_dbfs);
850 QString label(QString::fromStdString(format_db(threshold_dbfs, DB_WITH_SIGN)));
851 if (bus_index == 0) {
852 ui->compressor_threshold_db_display->setText(label);
854 if (bus_index < audio_expanded_views.size()) {
855 audio_expanded_views[bus_index]->compressor_threshold_db_display->setText(label);
859 void MainWindow::mini_fader_changed(int bus, double volume_db)
861 QString label(QString::fromStdString(format_db(volume_db, DB_WITH_SIGN)));
862 audio_miniviews[bus]->fader_label->setText(label);
863 audio_expanded_views[bus]->fader_label->setText(label);
865 global_audio_mixer->set_fader_volume(bus, volume_db);
868 void MainWindow::mute_button_toggled(int bus, bool checked)
870 global_audio_mixer->set_mute(bus, checked);
871 midi_mapper.refresh_lights();
874 void MainWindow::reset_meters_button_clicked()
876 global_audio_mixer->reset_meters();
877 ui->peak_display->setText(QString::fromStdString(format_db(-HUGE_VAL, DB_WITH_SIGN | DB_BARE)));
878 ui->peak_display->setStyleSheet("");
881 void MainWindow::audio_level_callback(float level_lufs, float peak_db, vector<AudioMixer::BusLevel> bus_levels,
882 float global_level_lufs,
883 float range_low_lufs, float range_high_lufs,
884 float final_makeup_gain_db,
887 steady_clock::time_point now = steady_clock::now();
889 // The meters are somewhat inefficient to update. Only update them
890 // every 100 ms or so (we get updates every 5–20 ms). Note that this
891 // means that the digital peak meters are ever so slightly too low
892 // (each update won't be a faithful representation of the highest peak
893 // since the previous update, since there are frames we won't draw),
894 // but the _peak_ of the peak meters will be correct (it's tracked in
895 // AudioMixer, not here), and that's much more important.
896 double last_update_age = duration<double>(now - last_audio_level_callback).count();
897 if (last_update_age < 0.100) {
900 last_audio_level_callback = now;
902 post_to_main_thread([=]() {
903 ui->vu_meter->set_level(level_lufs);
904 for (unsigned bus_index = 0; bus_index < bus_levels.size(); ++bus_index) {
905 if (bus_index < audio_miniviews.size()) {
906 const AudioMixer::BusLevel &level = bus_levels[bus_index];
907 Ui::AudioMiniView *miniview = audio_miniviews[bus_index];
908 miniview->peak_meter->set_level(
909 level.current_level_dbfs[0], level.current_level_dbfs[1]);
910 miniview->peak_meter->set_peak(
911 level.peak_level_dbfs[0], level.peak_level_dbfs[1]);
912 set_peak_label(miniview->peak_display_label, level.historic_peak_dbfs);
914 Ui::AudioExpandedView *view = audio_expanded_views[bus_index];
915 view->peak_meter->set_level(
916 level.current_level_dbfs[0], level.current_level_dbfs[1]);
917 view->peak_meter->set_peak(
918 level.peak_level_dbfs[0], level.peak_level_dbfs[1]);
919 view->reduction_meter->set_reduction_db(level.compressor_attenuation_db);
920 view->gainstaging_knob->blockSignals(true);
921 view->gainstaging_knob->setValue(lrintf(level.gain_staging_db * 10.0f));
922 view->gainstaging_knob->blockSignals(false);
923 view->gainstaging_db_display->setText(
925 QString::fromStdString(format_db(level.gain_staging_db, DB_WITH_SIGN)));
926 set_peak_label(view->peak_display_label, level.historic_peak_dbfs);
928 midi_mapper.set_has_peaked(bus_index, level.historic_peak_dbfs >= -0.1f);
931 ui->lra_meter->set_levels(global_level_lufs, range_low_lufs, range_high_lufs);
932 ui->correlation_meter->set_correlation(correlation);
934 ui->peak_display->setText(QString::fromStdString(format_db(peak_db, DB_BARE)));
935 set_peak_label(ui->peak_display, peak_db);
937 // NOTE: Will be invisible when using multitrack audio.
938 ui->gainstaging_knob->blockSignals(true);
939 ui->gainstaging_knob->setValue(lrintf(bus_levels[0].gain_staging_db * 10.0f));
940 ui->gainstaging_knob->blockSignals(false);
941 ui->gainstaging_db_display->setText(
942 QString::fromStdString(format_db(bus_levels[0].gain_staging_db, DB_WITH_SIGN)));
944 ui->makeup_gain_knob->blockSignals(true);
945 ui->makeup_gain_knob->setValue(lrintf(final_makeup_gain_db * 10.0f));
946 ui->makeup_gain_knob->blockSignals(false);
947 ui->makeup_gain_db_display->setText(
948 QString::fromStdString(format_db(final_makeup_gain_db, DB_WITH_SIGN)));
949 ui->makeup_gain_db_display_2->setText(
950 QString::fromStdString(format_db(final_makeup_gain_db, DB_WITH_SIGN)));
952 // Peak labels could have changed.
953 midi_mapper.refresh_lights();
957 void MainWindow::relayout()
959 int height = ui->vertical_layout->geometry().height();
961 // Seemingly this can happen and must be ignored.
965 double remaining_height = height;
967 // Allocate the height; the most important part is to keep the main displays
968 // at the right aspect if at all possible.
969 double me_width = ui->me_preview->width();
970 double me_height = me_width * double(global_flags.height) / double(global_flags.width) + ui->label_preview->height() + ui->preview_vertical_layout->spacing();
972 // TODO: Scale the widths when we need to do this.
973 if (me_height / double(height) > 0.8) {
974 me_height = height * 0.8;
976 remaining_height -= me_height + ui->vertical_layout->spacing();
978 // Space between the M/E displays and the audio strip.
979 remaining_height -= ui->vertical_layout->spacing();
981 // The label above the audio strip.
982 double compact_label_height = ui->compact_label->minimumHeight() +
983 ui->compact_audio_layout->spacing();
984 remaining_height -= compact_label_height;
986 // The previews will be constrained by the remaining height, and the width.
987 double preview_label_height = previews[0]->label->minimumSize().height() +
988 previews[0]->main_vertical_layout->spacing();
989 int preview_total_width = ui->preview_displays->geometry().width() - (previews.size() - 1) * ui->preview_displays->spacing();
990 double preview_height = min(remaining_height - preview_label_height, (preview_total_width / double(previews.size())) * double(global_flags.height) / double(global_flags.width));
991 remaining_height -= preview_height + preview_label_height + ui->vertical_layout->spacing();
993 ui->vertical_layout->setStretch(0, lrintf(me_height));
994 ui->vertical_layout->setStretch(1,
995 lrintf(compact_label_height) +
996 lrintf(remaining_height) +
997 lrintf(preview_height + preview_label_height)); // Audio strip and previews together.
999 ui->compact_audio_layout->setStretch(0, lrintf(compact_label_height));
1000 ui->compact_audio_layout->setStretch(1, lrintf(remaining_height)); // Audio strip.
1001 ui->compact_audio_layout->setStretch(2, lrintf(preview_height + preview_label_height));
1003 if (current_audio_view == 0) { // Compact audio view.
1004 // Set the widths for the previews.
1005 double preview_width = preview_height * double(global_flags.width) / double(global_flags.height);
1006 for (unsigned i = 0; i < previews.size(); ++i) {
1007 ui->preview_displays->setStretch(i, lrintf(preview_width));
1010 // The preview horizontal spacer.
1011 double remaining_preview_width = preview_total_width - previews.size() * preview_width;
1012 ui->preview_displays->setStretch(previews.size(), lrintf(remaining_preview_width));
1013 } else if (current_audio_view == 2) { // Video grid view.
1014 // QGridLayout doesn't do it for us, since we need to be able to remove rows
1015 // or columns as the grid changes, and it won't do that. Thus, position everything
1017 constexpr int spacing = 6;
1018 int grid_width = ui->preview_displays_grid->geometry().width();
1019 int grid_height = ui->preview_displays_grid->geometry().height();
1020 int best_preview_width = 0;
1021 unsigned best_num_rows = 1, best_num_cols = 1;
1022 for (unsigned num_rows = 1; num_rows <= previews.size(); ++num_rows) {
1023 int num_cols = (previews.size() + num_rows - 1) / num_rows;
1025 int max_preview_height = (grid_height - spacing * (num_rows - 1)) / num_rows - preview_label_height;
1026 int max_preview_width = (grid_width - spacing * (num_cols - 1)) / num_cols;
1027 int preview_width = std::min<int>(max_preview_width, max_preview_height * double(global_flags.width) / double(global_flags.height));
1029 if (preview_width > best_preview_width) {
1030 best_preview_width = preview_width;
1031 best_num_rows = num_rows;
1032 best_num_cols = num_cols;
1036 double cell_height = lrintf(best_preview_width * double(global_flags.height) / double(global_flags.width)) + preview_label_height;
1037 remaining_height = grid_height - best_num_rows * cell_height - (best_num_rows - 1) * spacing;
1038 int cell_width = best_preview_width;
1039 int remaining_width = grid_width - best_num_cols * cell_width - (best_num_cols - 1) * spacing;
1041 for (unsigned i = 0; i < previews.size(); ++i) {
1042 int col_idx = i % best_num_cols;
1043 int row_idx = i / best_num_cols;
1045 double top = remaining_height * 0.5f + row_idx * (cell_height + spacing);
1046 double bottom = top + cell_height;
1047 double left = remaining_width * 0.5f + col_idx * (cell_width + spacing);
1048 double right = left + cell_width;
1051 rect.setTop(lrintf(top));
1052 rect.setBottom(lrintf(bottom));
1053 rect.setLeft(lrintf(left));
1054 rect.setRight(lrintf(right));
1056 QWidget *display = static_cast<QWidget *>(previews[i]->frame->parent());
1057 display->setGeometry(rect);
1063 void MainWindow::set_locut(float value)
1065 set_relative_value(ui->locut_cutoff_knob, value);
1068 void MainWindow::set_limiter_threshold(float value)
1070 set_relative_value(ui->limiter_threshold_knob, value);
1073 void MainWindow::set_makeup_gain(float value)
1075 set_relative_value(ui->makeup_gain_knob, value);
1078 void MainWindow::set_treble(unsigned bus_idx, float value)
1080 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::treble_knob, value);
1083 void MainWindow::set_mid(unsigned bus_idx, float value)
1085 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::mid_knob, value);
1088 void MainWindow::set_bass(unsigned bus_idx, float value)
1090 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::bass_knob, value);
1093 void MainWindow::set_gain(unsigned bus_idx, float value)
1095 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_knob, value);
1098 void MainWindow::set_compressor_threshold(unsigned bus_idx, float value)
1100 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_threshold_knob, value);
1103 void MainWindow::set_fader(unsigned bus_idx, float value)
1105 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::fader, value);
1108 void MainWindow::toggle_mute(unsigned bus_idx)
1110 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::mute_button);
1113 void MainWindow::toggle_locut(unsigned bus_idx)
1115 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::locut_enabled);
1118 void MainWindow::toggle_auto_gain_staging(unsigned bus_idx)
1120 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_auto_checkbox);
1123 void MainWindow::toggle_compressor(unsigned bus_idx)
1125 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_enabled);
1128 void MainWindow::clear_peak(unsigned bus_idx)
1130 post_to_main_thread([=]{
1131 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
1132 global_audio_mixer->reset_peak(bus_idx);
1133 midi_mapper.set_has_peaked(bus_idx, false);
1134 midi_mapper.refresh_lights();
1139 void MainWindow::clear_all_highlights()
1141 post_to_main_thread([this]{
1142 highlight_locut(false);
1143 highlight_limiter_threshold(false);
1144 highlight_makeup_gain(false);
1145 highlight_toggle_limiter(false);
1146 highlight_toggle_auto_makeup_gain(false);
1147 for (unsigned bus_idx = 0; bus_idx < audio_expanded_views.size(); ++bus_idx) {
1148 highlight_treble(bus_idx, false);
1149 highlight_mid(bus_idx, false);
1150 highlight_bass(bus_idx, false);
1151 highlight_gain(bus_idx, false);
1152 highlight_compressor_threshold(bus_idx, false);
1153 highlight_fader(bus_idx, false);
1154 highlight_mute(bus_idx, false);
1155 highlight_toggle_locut(bus_idx, false);
1156 highlight_toggle_auto_gain_staging(bus_idx, false);
1157 highlight_toggle_compressor(bus_idx, false);
1162 void MainWindow::toggle_limiter()
1164 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
1165 ui->limiter_enabled->click();
1169 void MainWindow::toggle_auto_makeup_gain()
1171 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
1172 ui->makeup_gain_auto_checkbox->click();
1176 void MainWindow::highlight_locut(bool highlight)
1178 post_to_main_thread([this, highlight]{
1179 highlight_control(ui->locut_cutoff_knob, highlight);
1180 highlight_control(ui->locut_cutoff_knob_2, highlight);
1184 void MainWindow::highlight_limiter_threshold(bool highlight)
1186 post_to_main_thread([this, highlight]{
1187 highlight_control(ui->limiter_threshold_knob, highlight);
1188 highlight_control(ui->limiter_threshold_knob_2, highlight);
1192 void MainWindow::highlight_makeup_gain(bool highlight)
1194 post_to_main_thread([this, highlight]{
1195 highlight_control(ui->makeup_gain_knob, highlight);
1196 highlight_control(ui->makeup_gain_knob_2, highlight);
1200 void MainWindow::highlight_treble(unsigned bus_idx, bool highlight)
1202 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::treble_knob, highlight);
1205 void MainWindow::highlight_mid(unsigned bus_idx, bool highlight)
1207 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::mid_knob, highlight);
1210 void MainWindow::highlight_bass(unsigned bus_idx, bool highlight)
1212 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::bass_knob, highlight);
1215 void MainWindow::highlight_gain(unsigned bus_idx, bool highlight)
1217 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_knob, highlight);
1220 void MainWindow::highlight_compressor_threshold(unsigned bus_idx, bool highlight)
1222 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_threshold_knob, highlight);
1225 void MainWindow::highlight_fader(unsigned bus_idx, bool highlight)
1227 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::fader, highlight);
1230 void MainWindow::highlight_mute(unsigned bus_idx, bool highlight)
1232 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::mute_button, highlight, /*is_mute_btton=*/true);
1235 void MainWindow::highlight_toggle_locut(unsigned bus_idx, bool highlight)
1237 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::locut_enabled, highlight);
1240 void MainWindow::highlight_toggle_auto_gain_staging(unsigned bus_idx, bool highlight)
1242 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_auto_checkbox, highlight);
1245 void MainWindow::highlight_toggle_compressor(unsigned bus_idx, bool highlight)
1247 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_enabled, highlight);
1250 void MainWindow::highlight_toggle_limiter(bool highlight)
1252 post_to_main_thread([this, highlight]{
1253 highlight_control(ui->limiter_enabled, highlight);
1254 highlight_control(ui->limiter_enabled_2, highlight);
1258 void MainWindow::highlight_toggle_auto_makeup_gain(bool highlight)
1260 post_to_main_thread([this, highlight]{
1261 highlight_control(ui->makeup_gain_auto_checkbox, highlight);
1262 highlight_control(ui->makeup_gain_auto_checkbox_2, highlight);
1267 void MainWindow::set_relative_value(T *control, float value)
1269 post_to_main_thread([control, value]{
1270 control->setValue(lrintf(control->minimum() + value * (control->maximum() - control->minimum())));
1275 void MainWindow::set_relative_value_if_exists(unsigned bus_idx, T *(Ui_AudioExpandedView::*control), float value)
1277 if (global_audio_mixer != nullptr &&
1278 global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL &&
1279 bus_idx < audio_expanded_views.size()) {
1280 set_relative_value(audio_expanded_views[bus_idx]->*control, value);
1285 void MainWindow::click_button_if_exists(unsigned bus_idx, T *(Ui_AudioExpandedView::*control))
1287 post_to_main_thread([this, bus_idx, control]{
1288 if (global_audio_mixer != nullptr &&
1289 global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL &&
1290 bus_idx < audio_expanded_views.size()) {
1291 (audio_expanded_views[bus_idx]->*control)->click();
1297 void MainWindow::highlight_control(T *control, bool highlight)
1299 if (control == nullptr) {
1302 if (global_audio_mixer == nullptr ||
1303 global_audio_mixer->get_mapping_mode() != AudioMixer::MappingMode::MULTICHANNEL) {
1307 control->setStyleSheet("background: rgb(0,255,0,80)");
1309 control->setStyleSheet("");
1314 void MainWindow::highlight_mute_control(T *control, bool highlight)
1316 if (control == nullptr) {
1319 if (global_audio_mixer == nullptr ||
1320 global_audio_mixer->get_mapping_mode() != AudioMixer::MappingMode::MULTICHANNEL) {
1324 control->setStyleSheet("QPushButton { background: rgb(0,255,0,80); } QPushButton:checked { background: rgba(255,80,0,140); }");
1326 control->setStyleSheet("QPushButton:checked { background: rgba(255,0,0,80); }");
1331 void MainWindow::highlight_control_if_exists(unsigned bus_idx, T *(Ui_AudioExpandedView::*control), bool highlight, bool is_mute_button)
1333 post_to_main_thread([this, bus_idx, control, highlight, is_mute_button]{
1334 if (bus_idx < audio_expanded_views.size()) {
1335 if (is_mute_button) {
1336 highlight_mute_control(audio_expanded_views[bus_idx]->*control, highlight);
1338 highlight_control(audio_expanded_views[bus_idx]->*control, highlight);
1344 void MainWindow::set_transition_names(vector<string> transition_names)
1346 if (transition_names.size() < 1 || transition_names[0].empty()) {
1347 transition_btn1->setText(QString(""));
1349 transition_btn1->setText(QString::fromStdString(transition_names[0] + " (J)"));
1350 ui->transition_btn1->setShortcut(QKeySequence("J"));
1352 if (transition_names.size() < 2 || transition_names[1].empty()) {
1353 transition_btn2->setText(QString(""));
1355 transition_btn2->setText(QString::fromStdString(transition_names[1] + " (K)"));
1356 ui->transition_btn2->setShortcut(QKeySequence("K"));
1358 if (transition_names.size() < 3 || transition_names[2].empty()) {
1359 transition_btn3->setText(QString(""));
1361 transition_btn3->setText(QString::fromStdString(transition_names[2] + " (L)"));
1362 ui->transition_btn3->setShortcut(QKeySequence("L"));
1366 void MainWindow::update_channel_name(Mixer::Output output, const string &name)
1368 if (output >= Mixer::OUTPUT_INPUT0) {
1369 unsigned channel = output - Mixer::OUTPUT_INPUT0;
1370 previews[channel]->label->setText(name.c_str());
1373 analyzer->update_channel_name(output, name);
1376 void MainWindow::update_channel_color(Mixer::Output output, const string &color)
1378 if (output >= Mixer::OUTPUT_INPUT0) {
1379 unsigned channel = output - Mixer::OUTPUT_INPUT0;
1380 previews[channel]->frame->setStyleSheet(QString::fromStdString("background-color:" + color));
1384 void MainWindow::transition_clicked(int transition_number)
1386 global_mixer->transition_clicked(transition_number);
1389 void MainWindow::channel_clicked(int channel_number)
1391 if (current_wb_pick_display == channel_number) {
1392 // The picking was already done from eventFilter(), since we don't get
1393 // the mouse pointer here.
1395 global_mixer->channel_clicked(channel_number);
1399 void MainWindow::quick_cut_activated(int channel_number)
1401 if (!global_flags.enable_quick_cut_keys) {
1404 global_mixer->channel_clicked(channel_number);
1405 global_mixer->transition_clicked(0);
1408 void MainWindow::wb_button_clicked(int channel_number)
1410 current_wb_pick_display = channel_number;
1411 QApplication::setOverrideCursor(Qt::CrossCursor);
1414 void MainWindow::audio_view_changed(int audio_view)
1416 if (audio_view == current_audio_view) {
1420 if (audio_view == 0) {
1421 // Compact audio view. (1, full audio view, has no video previews.)
1422 for (unsigned i = 0; i < previews.size(); ++i) {
1423 QWidget *display = static_cast<QWidget *>(previews[i]->frame->parent());
1424 ui->preview_displays->insertWidget(i, display, 1);
1426 } else if (audio_view == 2) {
1427 // Video grid display.
1428 for (unsigned i = 0; i < previews.size(); ++i) {
1429 QWidget *display = static_cast<QWidget *>(previews[i]->frame->parent());
1430 display->setParent(ui->preview_displays_grid);
1435 current_audio_view = audio_view;
1437 // Ask for a relayout, but only after the event loop is done doing relayout
1438 // on everything else.
1439 QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
1442 bool MainWindow::eventFilter(QObject *watched, QEvent *event)
1444 if (current_wb_pick_display != -1 &&
1445 event->type() == QEvent::MouseButtonRelease &&
1446 watched->isWidgetType()) {
1447 QApplication::restoreOverrideCursor();
1448 if (watched == previews[current_wb_pick_display]->display) {
1449 const QMouseEvent *mouse_event = (QMouseEvent *)event;
1450 set_white_balance(current_wb_pick_display, mouse_event->x(), mouse_event->y());
1452 // The user clicked on something else, give up.
1453 // (The click goes through, which might not be ideal, but, yes.)
1454 current_wb_pick_display = -1;
1460 void MainWindow::closeEvent(QCloseEvent *event)
1462 if (global_mixer->get_num_connected_clients() > 0) {
1463 QMessageBox::StandardButton reply =
1464 QMessageBox::question(this, "Nageru", "There are clients connected. Do you really want to quit?",
1465 QMessageBox::Yes | QMessageBox::No);
1466 if (reply != QMessageBox::Yes) {
1478 double srgb_to_linear(double x)
1483 return pow((x + 0.055) / 1.055, 2.4);
1489 void MainWindow::set_white_balance(int channel_number, int x, int y)
1491 // Set the white balance to neutral for the grab. It's probably going to
1492 // flicker a bit, but hopefully this display is not live anyway.
1493 global_mixer->set_wb(Mixer::OUTPUT_INPUT0 + channel_number, 0.5, 0.5, 0.5);
1494 previews[channel_number]->display->updateGL();
1495 QRgb reference_color = previews[channel_number]->display->grabFrameBuffer().pixel(x, y);
1497 double r = srgb_to_linear(qRed(reference_color) / 255.0);
1498 double g = srgb_to_linear(qGreen(reference_color) / 255.0);
1499 double b = srgb_to_linear(qBlue(reference_color) / 255.0);
1500 global_mixer->set_wb(Mixer::OUTPUT_INPUT0 + channel_number, r, g, b);
1501 previews[channel_number]->display->updateGL();
1504 void MainWindow::audio_state_changed()
1506 post_to_main_thread([this]{
1507 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
1510 InputMapping mapping = global_audio_mixer->get_input_mapping();
1511 for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) {
1512 const InputMapping::Bus &bus = mapping.buses[bus_index];
1514 if (bus.device.type == InputSourceType::ALSA_INPUT) {
1515 ALSAPool::Device::State state = global_audio_mixer->get_alsa_card_state(bus.device.index);
1516 if (state == ALSAPool::Device::State::STARTING) {
1518 } else if (state == ALSAPool::Device::State::DEAD) {
1523 audio_miniviews[bus_index]->bus_desc_label->setFullText(
1524 QString::fromStdString(bus.name + suffix));
1525 audio_expanded_views[bus_index]->bus_desc_label->setFullText(
1526 QString::fromStdString(bus.name + suffix));