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 "shared/aboutdialog.h"
48 #include "alsa_pool.h"
50 #include "clickable_label.h"
51 #include "context_menus.h"
52 #include "correlation_meter.h"
53 #include "shared/disk_space_estimator.h"
54 #include "ellipsis_label.h"
57 #include "input_mapping.h"
58 #include "input_mapping_dialog.h"
60 #include "nageru_midi_mapping.pb.h"
61 #include "midi_mapping_dialog.h"
63 #include "nonlinear_fader.h"
64 #include "shared/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_WITH_SIGN = 0x1;
133 constexpr unsigned DB_BARE = 0x2;
135 string format_db(double db, unsigned flags)
138 if (flags & DB_WITH_SIGN) {
141 snprintf(buf, sizeof(buf), "%+.1f", db);
143 } else if (db < 0.0) {
146 // Should never happen, really.
152 snprintf(buf, sizeof(buf), "%.1f", db);
154 } else if (db < 0.0) {
157 // Should never happen, really.
161 if (!(flags & DB_BARE)) {
167 void set_peak_label(QLabel *peak_label, float peak_db)
169 peak_label->setText(QString::fromStdString(format_db(peak_db, DB_BARE)));
171 if (peak_db > peak_limit_dbfs) {
172 peak_label->setStyleSheet("QLabel { background-color: red; color: white; }");
174 peak_label->setStyleSheet("");
178 string get_bus_desc_label(const InputMapping::Bus &bus)
181 if (bus.device.type == InputSourceType::ALSA_INPUT) {
182 ALSAPool::Device::State state = global_audio_mixer->get_alsa_card_state(bus.device.index);
183 if (state == ALSAPool::Device::State::STARTING) {
185 } else if (state == ALSAPool::Device::State::DEAD) {
190 return bus.name + suffix;
195 MainWindow::MainWindow()
196 : ui(new Ui::MainWindow), midi_mapper(this)
198 global_mainwindow = this;
201 global_disk_space_estimator = new DiskSpaceEstimator(bind(&MainWindow::report_disk_space, this, _1, _2, _3));
202 disk_free_label = new QLabel(this);
203 disk_free_label->setStyleSheet("QLabel {padding-right: 5px;}");
204 ui->menuBar->setCornerWidget(disk_free_label);
206 QActionGroup *audio_mapping_group = new QActionGroup(this);
207 ui->simple_audio_mode->setActionGroup(audio_mapping_group);
208 ui->multichannel_audio_mode->setActionGroup(audio_mapping_group);
210 ui->me_live->set_output(Mixer::OUTPUT_LIVE);
211 ui->me_preview->set_output(Mixer::OUTPUT_PREVIEW);
214 connect(ui->cut_action, &QAction::triggered, this, &MainWindow::cut_triggered);
215 connect(ui->exit_action, &QAction::triggered, this, &MainWindow::exit_triggered);
216 connect(ui->manual_action, &QAction::triggered, this, &MainWindow::manual_triggered);
217 connect(ui->about_action, &QAction::triggered, this, &MainWindow::about_triggered);
218 connect(ui->open_analyzer_action, &QAction::triggered, this, &MainWindow::open_analyzer_triggered);
219 connect(ui->open_delay_analyzer_action, &QAction::triggered, this, &MainWindow::open_delay_analyzer_triggered);
220 connect(ui->simple_audio_mode, &QAction::triggered, this, &MainWindow::simple_audio_mode_triggered);
221 connect(ui->multichannel_audio_mode, &QAction::triggered, this, &MainWindow::multichannel_audio_mode_triggered);
222 connect(ui->input_mapping_action, &QAction::triggered, this, &MainWindow::input_mapping_triggered);
223 connect(ui->midi_mapping_action, &QAction::triggered, this, &MainWindow::midi_mapping_triggered);
224 connect(ui->timecode_stream_action, &QAction::triggered, this, &MainWindow::timecode_stream_triggered);
225 connect(ui->timecode_stdout_action, &QAction::triggered, this, &MainWindow::timecode_stdout_triggered);
227 ui->timecode_stream_action->setChecked(global_flags.display_timecode_in_stream);
228 ui->timecode_stdout_action->setChecked(global_flags.display_timecode_on_stdout);
230 if (global_flags.x264_video_to_http && isinf(global_flags.x264_crf)) {
231 connect(ui->x264_bitrate_action, &QAction::triggered, this, &MainWindow::x264_bitrate_triggered);
233 ui->x264_bitrate_action->setEnabled(false);
236 connect(ui->video_menu, &QMenu::aboutToShow, [this]{
237 fill_hdmi_sdi_output_device_menu(ui->hdmi_sdi_output_device_menu);
238 fill_hdmi_sdi_output_resolution_menu(ui->hdmi_sdi_output_resolution_menu);
241 // Hook up the transition buttons. (Keyboard shortcuts are set in set_transition_names().)
242 // TODO: Make them dynamic.
243 connect(ui->transition_btn1, &QPushButton::clicked, bind(&MainWindow::transition_clicked, this, 0));
244 connect(ui->transition_btn2, &QPushButton::clicked, bind(&MainWindow::transition_clicked, this, 1));
245 connect(ui->transition_btn3, &QPushButton::clicked, bind(&MainWindow::transition_clicked, this, 2));
248 transition_btn1 = ui->transition_btn1;
249 transition_btn2 = ui->transition_btn2;
250 transition_btn3 = ui->transition_btn3;
251 qRegisterMetaType<string>("std::string");
252 qRegisterMetaType<vector<string>>("std::vector<std::string>");
253 connect(ui->me_live, &GLWidget::transition_names_updated, this, &MainWindow::set_transition_names);
254 qRegisterMetaType<Mixer::Output>("Mixer::Output");
256 connect(ui->me_live, &GLWidget::name_updated, this, &MainWindow::update_channel_name);
257 connect(ui->me_preview, &GLWidget::name_updated, this, &MainWindow::update_channel_name);
259 // Hook up the prev/next buttons on the audio views.
260 connect(ui->compact_prev_page, &QAbstractButton::clicked, this, &MainWindow::prev_page);
261 connect(ui->compact_next_page, &QAbstractButton::clicked, this, &MainWindow::next_page);
262 connect(ui->full_prev_page, &QAbstractButton::clicked, this, &MainWindow::prev_page);
263 connect(ui->full_next_page, &QAbstractButton::clicked, this, &MainWindow::next_page);
264 connect(ui->video_grid_prev_page, &QAbstractButton::clicked, this, &MainWindow::prev_page);
265 connect(ui->video_grid_next_page, &QAbstractButton::clicked, this, &MainWindow::next_page);
267 // And bind the same to PgUp/PgDown.
268 connect(new QShortcut(QKeySequence::MoveToNextPage, this), &QShortcut::activated, this, &MainWindow::next_page);
269 connect(new QShortcut(QKeySequence::MoveToPreviousPage, this), &QShortcut::activated, this, &MainWindow::prev_page);
271 // When the audio view changes, move the previews.
272 connect(ui->audio_views, &QStackedWidget::currentChanged, bind(&MainWindow::audio_view_changed, this, _1));
274 if (global_flags.enable_quick_cut_keys) {
275 ui->quick_cut_enable_action->setChecked(true);
277 connect(ui->quick_cut_enable_action, &QAction::changed, [this](){
278 global_flags.enable_quick_cut_keys = ui->quick_cut_enable_action->isChecked();
281 last_audio_level_callback = steady_clock::now() - seconds(1);
283 if (!global_flags.midi_mapping_filename.empty()) {
284 MIDIMappingProto midi_mapping;
285 if (!load_midi_mapping_from_file(global_flags.midi_mapping_filename, &midi_mapping)) {
286 fprintf(stderr, "Couldn't load MIDI mapping '%s'; exiting.\n",
287 global_flags.midi_mapping_filename.c_str());
290 midi_mapper.set_midi_mapping(midi_mapping);
292 midi_mapper.refresh_highlights();
293 midi_mapper.refresh_lights();
294 if (global_flags.fullscreen) {
295 QMainWindow::showFullScreen();
299 void MainWindow::prev_page()
301 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
302 ui->audio_views->setCurrentIndex((ui->audio_views->currentIndex() + 2) % 3);
304 ui->audio_views->setCurrentIndex(2 - ui->audio_views->currentIndex()); // Switch between 0 and 2.
308 void MainWindow::next_page()
310 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
311 ui->audio_views->setCurrentIndex((ui->audio_views->currentIndex() + 1) % 3);
313 ui->audio_views->setCurrentIndex(2 - ui->audio_views->currentIndex()); // Switch between 0 and 2.
317 void MainWindow::resizeEvent(QResizeEvent* event)
319 QMainWindow::resizeEvent(event);
321 // Ask for a relayout, but only after the event loop is done doing relayout
322 // on everything else.
323 QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
326 void MainWindow::mixer_created(Mixer *mixer)
328 // Make the previews.
329 unsigned num_previews = mixer->get_num_channels();
331 const char qwerty[] = "QWERTYUIOP";
332 for (unsigned i = 0; i < num_previews; ++i) {
333 Mixer::Output output = Mixer::Output(Mixer::OUTPUT_INPUT0 + i);
335 QWidget *preview = new QWidget(this); // Will be connected to a layout immediately after the loop.
336 Ui::Display *ui_display = new Ui::Display;
337 ui_display->setupUi(preview);
338 ui_display->label->setText(mixer->get_channel_name(output).c_str());
339 ui_display->display->set_output(output);
340 previews.push_back(ui_display);
342 // Hook up the click.
343 connect(ui_display->display, &GLWidget::clicked, bind(&MainWindow::channel_clicked, this, i));
345 // Let the theme update the text whenever the resolution or color changed.
346 connect(ui_display->display, &GLWidget::name_updated, this, &MainWindow::update_channel_name);
347 connect(ui_display->display, &GLWidget::color_updated, this, &MainWindow::update_channel_color);
349 // Hook up the keyboard key.
350 QShortcut *shortcut = nullptr;
352 shortcut = new QShortcut(QKeySequence(Qt::Key_1 + i), this);
354 shortcut = new QShortcut(QKeySequence(Qt::Key_0), this);
356 if (shortcut != nullptr) {
357 connect(shortcut, &QShortcut::activated, bind(&MainWindow::channel_clicked, this, i));
360 // Hook up the quick-cut key.
361 if (i < strlen(qwerty)) {
362 QShortcut *shortcut = new QShortcut(QKeySequence(qwerty[i]), this);
363 connect(shortcut, &QShortcut::activated, bind(&MainWindow::quick_cut_activated, this, i));
366 // Hook up the white balance button (irrelevant if invisible).
367 ui_display->wb_button->setVisible(mixer->get_supports_set_wb(output));
368 connect(ui_display->wb_button, &QPushButton::clicked, bind(&MainWindow::wb_button_clicked, this, i));
371 // Connect the previews to the correct layout.
372 audio_view_changed(ui->audio_views->currentIndex());
374 global_audio_mixer->set_state_changed_callback(bind(&MainWindow::audio_state_changed, this));
376 slave_knob(ui->locut_cutoff_knob, ui->locut_cutoff_knob_2);
377 slave_knob(ui->limiter_threshold_knob, ui->limiter_threshold_knob_2);
378 slave_knob(ui->makeup_gain_knob, ui->makeup_gain_knob_2);
379 slave_checkbox(ui->makeup_gain_auto_checkbox, ui->makeup_gain_auto_checkbox_2);
380 slave_checkbox(ui->limiter_enabled, ui->limiter_enabled_2);
382 reset_audio_mapping_ui();
384 // TODO: Fetch all of the values these for completeness,
385 // not just the enable knobs implied by flags.
386 ui->limiter_enabled->setChecked(global_audio_mixer->get_limiter_enabled());
387 ui->makeup_gain_auto_checkbox->setChecked(global_audio_mixer->get_final_makeup_gain_auto());
389 // Controls used only for simple audio fetch their state from the first bus.
390 constexpr unsigned simple_bus_index = 0;
391 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
392 ui->locut_enabled->setChecked(global_audio_mixer->get_locut_enabled(simple_bus_index));
393 ui->gainstaging_knob->setValue(global_audio_mixer->get_gain_staging_db(simple_bus_index));
394 ui->gainstaging_auto_checkbox->setChecked(global_audio_mixer->get_gain_staging_auto(simple_bus_index));
395 ui->compressor_enabled->setChecked(global_audio_mixer->get_compressor_enabled(simple_bus_index));
396 ui->compressor_threshold_db_display->setText(
397 QString::fromStdString(format_db(mixer->get_audio_mixer()->get_compressor_threshold_dbfs(simple_bus_index), DB_WITH_SIGN)));
399 connect(ui->locut_enabled, &QCheckBox::stateChanged, [this](int state){
400 global_audio_mixer->set_locut_enabled(simple_bus_index, state == Qt::Checked);
401 midi_mapper.refresh_lights();
403 connect(ui->gainstaging_knob, &QAbstractSlider::valueChanged,
404 bind(&MainWindow::gain_staging_knob_changed, this, simple_bus_index, _1));
405 connect(ui->gainstaging_auto_checkbox, &QCheckBox::stateChanged, [this](int state){
406 global_audio_mixer->set_gain_staging_auto(simple_bus_index, state == Qt::Checked);
407 midi_mapper.refresh_lights();
409 connect(ui->compressor_threshold_knob, &QDial::valueChanged,
410 bind(&MainWindow::compressor_threshold_knob_changed, this, simple_bus_index, _1));
411 connect(ui->compressor_enabled, &QCheckBox::stateChanged, [this](int state){
412 global_audio_mixer->set_compressor_enabled(simple_bus_index, state == Qt::Checked);
413 midi_mapper.refresh_lights();
416 // Global mastering controls.
417 QString limiter_threshold_label(
418 QString::fromStdString(format_db(mixer->get_audio_mixer()->get_limiter_threshold_dbfs(), DB_WITH_SIGN)));
419 ui->limiter_threshold_db_display->setText(limiter_threshold_label);
420 ui->limiter_threshold_db_display_2->setText(limiter_threshold_label);
422 connect(ui->locut_cutoff_knob, &QDial::valueChanged, this, &MainWindow::cutoff_knob_changed);
423 cutoff_knob_changed(ui->locut_cutoff_knob->value());
425 connect(ui->makeup_gain_knob, &QAbstractSlider::valueChanged, this, &MainWindow::final_makeup_gain_knob_changed);
426 connect(ui->makeup_gain_auto_checkbox, &QCheckBox::stateChanged, [this](int state){
427 global_audio_mixer->set_final_makeup_gain_auto(state == Qt::Checked);
428 midi_mapper.refresh_lights();
431 connect(ui->limiter_threshold_knob, &QDial::valueChanged, this, &MainWindow::limiter_threshold_knob_changed);
432 connect(ui->limiter_enabled, &QCheckBox::stateChanged, [this](int state){
433 global_audio_mixer->set_limiter_enabled(state == Qt::Checked);
434 midi_mapper.refresh_lights();
436 connect(ui->reset_meters_button, &QPushButton::clicked, this, &MainWindow::reset_meters_button_clicked);
437 // Even though we have a reset button right next to it, the fact that
438 // the expanded audio view labels are clickable makes it natural to
439 // click this one as well.
440 connect(ui->peak_display, &ClickableLabel::clicked, this, &MainWindow::reset_meters_button_clicked);
441 mixer->get_audio_mixer()->set_audio_level_callback(bind(&MainWindow::audio_level_callback, this, _1, _2, _3, _4, _5, _6, _7, _8));
443 midi_mapper.refresh_highlights();
444 midi_mapper.refresh_lights();
445 midi_mapper.start_thread();
447 analyzer.reset(new Analyzer);
448 delay_analyzer.reset(new DelayAnalyzer);
450 mixer->get_audio_mixer()->set_delay_analyzer(delay_analyzer.get());
452 global_mixer->set_theme_menu_callback(bind(&MainWindow::setup_theme_menu, this));
455 struct sigaction act;
456 memset(&act, 0, sizeof(act));
457 act.sa_handler = schedule_cut_signal;
458 act.sa_flags = SA_RESTART;
459 sigaction(SIGHUP, &act, nullptr);
461 // Mostly for debugging. Don't override SIGINT, that's so evil if
462 // shutdown isn't instant.
463 memset(&act, 0, sizeof(act));
464 act.sa_handler = quit_signal;
465 act.sa_flags = SA_RESTART;
466 sigaction(SIGUSR1, &act, nullptr);
469 void MainWindow::reset_audio_mapping_ui()
471 bool simple = (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE);
473 ui->simple_audio_mode->setChecked(simple);
474 ui->multichannel_audio_mode->setChecked(!simple);
475 ui->input_mapping_action->setEnabled(!simple);
476 ui->midi_mapping_action->setEnabled(!simple);
477 ui->open_delay_analyzer_action->setEnabled(!simple);
479 ui->locut_enabled->setVisible(simple);
480 ui->gainstaging_label->setVisible(simple);
481 ui->gainstaging_knob->setVisible(simple);
482 ui->gainstaging_db_display->setVisible(simple);
483 ui->gainstaging_auto_checkbox->setVisible(simple);
484 ui->compressor_threshold_label->setVisible(simple);
485 ui->compressor_threshold_knob->setVisible(simple);
486 ui->compressor_threshold_db_display->setVisible(simple);
487 ui->compressor_enabled->setVisible(simple);
489 setup_audio_miniview();
490 setup_audio_expanded_view();
493 ui->compact_label->setText("Compact audio view (1/2) ");
494 ui->video_grid_label->setText("Video grid display (2/2) ");
495 if (ui->audio_views->currentIndex() == 1) {
496 // Full audio view is not available in simple mode.
497 ui->audio_views->setCurrentIndex(0);
500 ui->compact_label->setText("Compact audio view (1/3) ");
501 ui->full_label->setText("Full audio view (2/3) ");
502 ui->video_grid_label->setText("Video grid display (3/3) ");
505 midi_mapper.refresh_highlights();
506 midi_mapper.refresh_lights();
509 void MainWindow::setup_audio_miniview()
511 // Remove any existing channels.
512 for (QLayoutItem *item; (item = ui->faders->takeAt(0)) != nullptr; ) {
513 delete item->widget();
516 audio_miniviews.clear();
518 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
522 // Set up brand new ones from the input mapping.
523 InputMapping mapping = global_audio_mixer->get_input_mapping();
524 audio_miniviews.resize(mapping.buses.size());
525 for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) {
526 QWidget *channel = new QWidget(this);
527 Ui::AudioMiniView *ui_audio_miniview = new Ui::AudioMiniView;
528 ui_audio_miniview->setupUi(channel);
529 ui_audio_miniview->bus_desc_label->setFullText(
530 QString::fromStdString(get_bus_desc_label(mapping.buses[bus_index])));
531 audio_miniviews[bus_index] = ui_audio_miniview;
533 // Set up the peak meter.
534 VUMeter *peak_meter = ui_audio_miniview->peak_meter;
535 peak_meter->set_min_level(-30.0f);
536 peak_meter->set_max_level(0.0f);
537 peak_meter->set_ref_level(0.0f);
539 ui_audio_miniview->fader->setDbValue(global_audio_mixer->get_fader_volume(bus_index));
541 ui->faders->addWidget(channel);
543 connect(ui_audio_miniview->fader, &NonLinearFader::dbValueChanged,
544 bind(&MainWindow::mini_fader_changed, this, bus_index, _1));
545 connect(ui_audio_miniview->peak_display_label, &ClickableLabel::clicked,
547 global_audio_mixer->reset_peak(bus_index);
552 void MainWindow::setup_audio_expanded_view()
554 // Remove any existing channels.
555 for (QLayoutItem *item; (item = ui->buses->takeAt(0)) != nullptr; ) {
556 delete item->widget();
559 audio_expanded_views.clear();
561 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
565 // Set up brand new ones from the input mapping.
566 InputMapping mapping = global_audio_mixer->get_input_mapping();
567 audio_expanded_views.resize(mapping.buses.size());
568 for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) {
569 QWidget *channel = new QWidget(this);
570 Ui::AudioExpandedView *ui_audio_expanded_view = new Ui::AudioExpandedView;
571 ui_audio_expanded_view->setupUi(channel);
572 ui_audio_expanded_view->bus_desc_label->setFullText(
573 QString::fromStdString(get_bus_desc_label(mapping.buses[bus_index])));
574 audio_expanded_views[bus_index] = ui_audio_expanded_view;
575 update_stereo_knob_and_label(bus_index, lrintf(100.0f * global_audio_mixer->get_stereo_width(bus_index)));
576 update_eq_label(bus_index, EQ_BAND_TREBLE, global_audio_mixer->get_eq(bus_index, EQ_BAND_TREBLE));
577 update_eq_label(bus_index, EQ_BAND_MID, global_audio_mixer->get_eq(bus_index, EQ_BAND_MID));
578 update_eq_label(bus_index, EQ_BAND_BASS, global_audio_mixer->get_eq(bus_index, EQ_BAND_BASS));
579 ui_audio_expanded_view->fader->setDbValue(global_audio_mixer->get_fader_volume(bus_index));
580 ui_audio_expanded_view->mute_button->setChecked(global_audio_mixer->get_mute(bus_index));
581 connect(ui_audio_expanded_view->mute_button, &QPushButton::toggled,
582 bind(&MainWindow::mute_button_toggled, this, bus_index, _1));
583 ui->buses->addWidget(channel);
585 ui_audio_expanded_view->locut_enabled->setChecked(global_audio_mixer->get_locut_enabled(bus_index));
586 connect(ui_audio_expanded_view->locut_enabled, &QCheckBox::stateChanged, [this, bus_index](int state){
587 global_audio_mixer->set_locut_enabled(bus_index, state == Qt::Checked);
588 midi_mapper.refresh_lights();
591 connect(ui_audio_expanded_view->stereo_width_knob, &QDial::valueChanged,
592 bind(&MainWindow::stereo_width_knob_changed, this, bus_index, _1));
594 connect(ui_audio_expanded_view->treble_knob, &QDial::valueChanged,
595 bind(&MainWindow::eq_knob_changed, this, bus_index, EQ_BAND_TREBLE, _1));
596 connect(ui_audio_expanded_view->mid_knob, &QDial::valueChanged,
597 bind(&MainWindow::eq_knob_changed, this, bus_index, EQ_BAND_MID, _1));
598 connect(ui_audio_expanded_view->bass_knob, &QDial::valueChanged,
599 bind(&MainWindow::eq_knob_changed, this, bus_index, EQ_BAND_BASS, _1));
601 ui_audio_expanded_view->gainstaging_knob->setValue(global_audio_mixer->get_gain_staging_db(bus_index));
602 ui_audio_expanded_view->gainstaging_auto_checkbox->setChecked(global_audio_mixer->get_gain_staging_auto(bus_index));
603 ui_audio_expanded_view->compressor_enabled->setChecked(global_audio_mixer->get_compressor_enabled(bus_index));
605 connect(ui_audio_expanded_view->gainstaging_knob, &QAbstractSlider::valueChanged, bind(&MainWindow::gain_staging_knob_changed, this, bus_index, _1));
606 connect(ui_audio_expanded_view->gainstaging_auto_checkbox, &QCheckBox::stateChanged, [this, bus_index](int state){
607 global_audio_mixer->set_gain_staging_auto(bus_index, state == Qt::Checked);
608 midi_mapper.refresh_lights();
611 connect(ui_audio_expanded_view->compressor_threshold_knob, &QDial::valueChanged, bind(&MainWindow::compressor_threshold_knob_changed, this, bus_index, _1));
612 connect(ui_audio_expanded_view->compressor_enabled, &QCheckBox::stateChanged, [this, bus_index](int state){
613 global_audio_mixer->set_compressor_enabled(bus_index, state == Qt::Checked);
614 midi_mapper.refresh_lights();
617 slave_fader(audio_miniviews[bus_index]->fader, ui_audio_expanded_view->fader);
619 // Set up the peak meter.
620 VUMeter *peak_meter = ui_audio_expanded_view->peak_meter;
621 peak_meter->set_min_level(-30.0f);
622 peak_meter->set_max_level(0.0f);
623 peak_meter->set_ref_level(0.0f);
625 connect(ui_audio_expanded_view->peak_display_label, &ClickableLabel::clicked,
626 [this, bus_index]() {
627 global_audio_mixer->reset_peak(bus_index);
628 midi_mapper.refresh_lights();
632 update_cutoff_labels(global_audio_mixer->get_locut_cutoff());
635 void MainWindow::mixer_shutting_down()
637 ui->me_live->shutdown();
638 ui->me_preview->shutdown();
640 for (Ui::Display *display : previews) {
641 display->display->shutdown();
644 analyzer->mixer_shutting_down();
647 void MainWindow::cut_triggered()
649 global_mixer->schedule_cut();
652 void MainWindow::x264_bitrate_triggered()
655 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);
656 if (ok && new_bitrate >= 100 && new_bitrate <= 100000) {
657 global_flags.x264_bitrate = new_bitrate;
658 global_mixer->change_x264_bitrate(new_bitrate);
662 void MainWindow::exit_triggered()
667 void MainWindow::manual_triggered()
669 if (!QDesktopServices::openUrl(QUrl("https://nageru.sesse.net/doc/"))) {
671 msgbox.setText("Could not launch manual in web browser.\nPlease see https://nageru.sesse.net/doc/ manually.");
676 void MainWindow::about_triggered()
678 AboutDialog("Nageru", "Realtime video mixer").exec();
681 void MainWindow::open_analyzer_triggered()
686 void MainWindow::open_delay_analyzer_triggered()
688 delay_analyzer->show();
691 void MainWindow::simple_audio_mode_triggered()
693 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
696 unsigned card_index = global_audio_mixer->get_simple_input();
697 if (card_index == numeric_limits<unsigned>::max()) {
698 QMessageBox::StandardButton reply =
699 QMessageBox::question(this,
700 "Mapping too complex",
701 "The current audio mapping is too complicated to be representable in simple mode, "
702 "and will be discarded if you proceed. Really go to simple audio mode?",
703 QMessageBox::Yes | QMessageBox::No);
704 if (reply == QMessageBox::No) {
705 ui->simple_audio_mode->setChecked(false);
706 ui->multichannel_audio_mode->setChecked(true);
711 global_audio_mixer->set_simple_input(/*card_index=*/card_index);
712 reset_audio_mapping_ui();
715 void MainWindow::multichannel_audio_mode_triggered()
717 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
721 // Take the generated input mapping from the simple input,
722 // and set it as a normal multichannel mapping, which causes
723 // the mode to go to multichannel.
724 global_audio_mixer->set_input_mapping(global_audio_mixer->get_input_mapping());
725 reset_audio_mapping_ui();
728 void MainWindow::input_mapping_triggered()
730 if (InputMappingDialog().exec() == QDialog::Accepted) {
731 setup_audio_miniview();
732 setup_audio_expanded_view();
734 midi_mapper.refresh_highlights();
735 midi_mapper.refresh_lights();
738 void MainWindow::midi_mapping_triggered()
740 MIDIMappingDialog(&midi_mapper).exec();
743 void MainWindow::timecode_stream_triggered()
745 global_mixer->set_display_timecode_in_stream(ui->timecode_stream_action->isChecked());
748 void MainWindow::timecode_stdout_triggered()
750 global_mixer->set_display_timecode_on_stdout(ui->timecode_stdout_action->isChecked());
753 void MainWindow::gain_staging_knob_changed(unsigned bus_index, int value)
755 if (bus_index == 0) {
756 ui->gainstaging_auto_checkbox->setCheckState(Qt::Unchecked);
758 if (bus_index < audio_expanded_views.size()) {
759 audio_expanded_views[bus_index]->gainstaging_auto_checkbox->setCheckState(Qt::Unchecked);
762 float gain_db = value * 0.1f;
763 global_audio_mixer->set_gain_staging_db(bus_index, gain_db);
765 // The label will be updated by the audio level callback.
768 void MainWindow::final_makeup_gain_knob_changed(int value)
770 ui->makeup_gain_auto_checkbox->setCheckState(Qt::Unchecked);
772 float gain_db = value * 0.1f;
773 global_audio_mixer->set_final_makeup_gain_db(gain_db);
775 // The label will be updated by the audio level callback.
778 void MainWindow::cutoff_knob_changed(int value)
780 float octaves = value * 0.1f;
781 float cutoff_hz = 20.0 * pow(2.0, octaves);
782 global_audio_mixer->set_locut_cutoff(cutoff_hz);
783 update_cutoff_labels(cutoff_hz);
786 void MainWindow::update_cutoff_labels(float cutoff_hz)
789 snprintf(buf, sizeof(buf), "%ld Hz", lrintf(cutoff_hz));
790 ui->locut_cutoff_display->setText(buf);
791 ui->locut_cutoff_display_2->setText(buf);
793 for (unsigned bus_index = 0; bus_index < audio_expanded_views.size(); ++bus_index) {
794 audio_expanded_views[bus_index]->locut_enabled->setText(
795 QString("Lo-cut: ") + buf);
799 void MainWindow::report_disk_space(off_t free_bytes, double estimated_seconds_left, double file_length_seconds)
802 if (estimated_seconds_left < 60.0) {
803 strcpy(time_str, "<font color=\"red\">Less than a minute</font>");
804 } else if (estimated_seconds_left < 1800.0) { // Less than half an hour: Xm Ys (red).
805 int s = lrintf(estimated_seconds_left);
808 snprintf(time_str, sizeof(time_str), "<font color=\"red\">%dm %ds</font>", m, s);
809 } else if (estimated_seconds_left < 3600.0) { // Less than an hour: Xm.
810 int m = lrintf(estimated_seconds_left / 60.0);
811 snprintf(time_str, sizeof(time_str), "%dm", m);
812 } else if (estimated_seconds_left < 36000.0) { // Less than ten hours: Xh Ym.
813 int m = lrintf(estimated_seconds_left / 60.0);
816 snprintf(time_str, sizeof(time_str), "%dh %dm", h, m);
817 } else { // More than ten hours: Xh.
818 int h = lrintf(estimated_seconds_left / 3600.0);
819 snprintf(time_str, sizeof(time_str), "%dh", h);
822 snprintf(buf, sizeof(buf), "Disk free: %'.0f MB (approx. %s)", free_bytes / 1048576.0, time_str);
824 // NOTE: The default formatter does not use file_length_seconds for anything,
825 // but the theme might want to do so.
826 std::string label = global_mixer->format_status_line(buf, file_length_seconds);
828 post_to_main_thread([this, label]{
829 disk_free_label->setText(QString::fromStdString(label));
830 ui->menuBar->setCornerWidget(disk_free_label); // Need to set this again for the sizing to get right.
834 void MainWindow::stereo_width_knob_changed(unsigned bus_index, int value)
836 float stereo_width = value * 0.01f;
837 global_audio_mixer->set_stereo_width(bus_index, stereo_width);
839 update_stereo_label(bus_index, value);
842 void MainWindow::eq_knob_changed(unsigned bus_index, EQBand band, int value)
844 float gain_db = value * 0.1f;
845 global_audio_mixer->set_eq(bus_index, band, gain_db);
847 update_eq_label(bus_index, band, gain_db);
850 void MainWindow::update_stereo_knob_and_label(unsigned bus_index, int stereo_width_percent)
852 Ui::AudioExpandedView *view = audio_expanded_views[bus_index];
854 if (global_audio_mixer->is_mono(bus_index)) {
855 view->stereo_width_knob->setEnabled(false);
856 view->stereo_width_label->setEnabled(false);
858 view->stereo_width_knob->setEnabled(true);
859 view->stereo_width_label->setEnabled(true);
861 view->stereo_width_knob->setValue(stereo_width_percent);
862 update_stereo_label(bus_index, stereo_width_percent);
865 void MainWindow::update_stereo_label(unsigned bus_index, int stereo_width_percent)
867 Ui::AudioExpandedView *view = audio_expanded_views[bus_index];
869 if (global_audio_mixer->is_mono(bus_index)) {
870 view->stereo_width_label->setText("Mono");
873 snprintf(buf, sizeof(buf), "Stereo: %d%%", stereo_width_percent);
874 view->stereo_width_label->setText(buf);
878 void MainWindow::update_eq_label(unsigned bus_index, EQBand band, float gain_db)
880 Ui::AudioExpandedView *view = audio_expanded_views[bus_index];
881 string db_string = format_db(gain_db, DB_WITH_SIGN);
884 view->treble_label->setText(QString::fromStdString("Treble: " + db_string));
887 view->mid_label->setText(QString::fromStdString("Mid: " + db_string));
890 view->bass_label->setText(QString::fromStdString("Bass: " + db_string));
897 void MainWindow::setup_theme_menu()
899 Theme::MenuEntry *root_menu = global_mixer->get_theme_menu();
901 // Remove the old menu, if any.
902 if (theme_menu != nullptr) {
903 ui->menuBar->removeAction(theme_menu->menuAction());
904 theme_menu = nullptr;
907 if (root_menu != nullptr) {
908 assert(root_menu->is_submenu);
909 if (!root_menu->submenu.empty()) {
910 theme_menu = new QMenu("&Theme");
911 fill_menu_from_theme_menu(root_menu->submenu, theme_menu);
912 ui->menuBar->insertMenu(ui->menu_Help->menuAction(), theme_menu);
917 void MainWindow::fill_menu_from_theme_menu(const vector<unique_ptr<Theme::MenuEntry>> &entries, QMenu *menu)
919 for (const unique_ptr<Theme::MenuEntry> &entry : entries) {
920 if (entry->is_submenu) {
921 QMenu *submenu = new QMenu(QString::fromStdString(entry->text));
922 fill_menu_from_theme_menu(entry->submenu, submenu);
923 menu->addMenu(submenu);
927 QAction *action = menu->addAction(QString::fromStdString(entry->text));
928 if (entry->entry.flags == Theme::MenuEntry::CHECKABLE) {
929 action->setCheckable(true);
930 } else if (entry->entry.flags == Theme::MenuEntry::CHECKED) {
931 action->setCheckable(true);
932 action->setChecked(true);
934 connect(action, &QAction::triggered, [lua_ref = entry->entry.lua_ref] {
935 global_mixer->theme_menu_entry_clicked(lua_ref);
940 void MainWindow::limiter_threshold_knob_changed(int value)
942 float threshold_dbfs = value * 0.1f;
943 global_audio_mixer->set_limiter_threshold_dbfs(threshold_dbfs);
944 ui->limiter_threshold_db_display->setText(
945 QString::fromStdString(format_db(threshold_dbfs, DB_WITH_SIGN)));
946 ui->limiter_threshold_db_display_2->setText(
947 QString::fromStdString(format_db(threshold_dbfs, DB_WITH_SIGN)));
950 void MainWindow::compressor_threshold_knob_changed(unsigned bus_index, int value)
952 float threshold_dbfs = value * 0.1f;
953 global_audio_mixer->set_compressor_threshold_dbfs(bus_index, threshold_dbfs);
955 QString label(QString::fromStdString(format_db(threshold_dbfs, DB_WITH_SIGN)));
956 if (bus_index == 0) {
957 ui->compressor_threshold_db_display->setText(label);
959 if (bus_index < audio_expanded_views.size()) {
960 audio_expanded_views[bus_index]->compressor_threshold_db_display->setText(label);
964 void MainWindow::mini_fader_changed(int bus, double volume_db)
966 QString label(QString::fromStdString(format_db(volume_db, DB_WITH_SIGN)));
967 audio_miniviews[bus]->fader_label->setText(label);
968 audio_expanded_views[bus]->fader_label->setText(label);
970 global_audio_mixer->set_fader_volume(bus, volume_db);
973 void MainWindow::mute_button_toggled(int bus, bool checked)
975 global_audio_mixer->set_mute(bus, checked);
976 midi_mapper.refresh_lights();
979 void MainWindow::reset_meters_button_clicked()
981 global_audio_mixer->reset_meters();
982 ui->peak_display->setText(QString::fromStdString(format_db(-HUGE_VAL, DB_WITH_SIGN | DB_BARE)));
983 ui->peak_display->setStyleSheet("");
986 void MainWindow::audio_level_callback(float level_lufs, float peak_db, vector<AudioMixer::BusLevel> bus_levels,
987 float global_level_lufs,
988 float range_low_lufs, float range_high_lufs,
989 float final_makeup_gain_db,
992 steady_clock::time_point now = steady_clock::now();
994 // The meters are somewhat inefficient to update. Only update them
995 // every 100 ms or so (we get updates every 5–20 ms). Note that this
996 // means that the digital peak meters are ever so slightly too low
997 // (each update won't be a faithful representation of the highest peak
998 // since the previous update, since there are frames we won't draw),
999 // but the _peak_ of the peak meters will be correct (it's tracked in
1000 // AudioMixer, not here), and that's much more important.
1001 double last_update_age = duration<double>(now - last_audio_level_callback).count();
1002 if (last_update_age < 0.100) {
1005 last_audio_level_callback = now;
1007 post_to_main_thread([=]() {
1008 ui->vu_meter->set_level(level_lufs);
1009 for (unsigned bus_index = 0; bus_index < bus_levels.size(); ++bus_index) {
1010 if (bus_index < audio_miniviews.size()) {
1011 const AudioMixer::BusLevel &level = bus_levels[bus_index];
1012 Ui::AudioMiniView *miniview = audio_miniviews[bus_index];
1013 miniview->peak_meter->set_level(
1014 level.current_level_dbfs[0], level.current_level_dbfs[1]);
1015 miniview->peak_meter->set_peak(
1016 level.peak_level_dbfs[0], level.peak_level_dbfs[1]);
1017 set_peak_label(miniview->peak_display_label, level.historic_peak_dbfs);
1019 Ui::AudioExpandedView *view = audio_expanded_views[bus_index];
1020 view->peak_meter->set_level(
1021 level.current_level_dbfs[0], level.current_level_dbfs[1]);
1022 view->peak_meter->set_peak(
1023 level.peak_level_dbfs[0], level.peak_level_dbfs[1]);
1024 view->reduction_meter->set_reduction_db(level.compressor_attenuation_db);
1025 view->gainstaging_knob->blockSignals(true);
1026 view->gainstaging_knob->setValue(lrintf(level.gain_staging_db * 10.0f));
1027 view->gainstaging_knob->blockSignals(false);
1028 view->gainstaging_db_display->setText(
1030 QString::fromStdString(format_db(level.gain_staging_db, DB_WITH_SIGN)));
1031 set_peak_label(view->peak_display_label, level.historic_peak_dbfs);
1033 midi_mapper.set_has_peaked(bus_index, level.historic_peak_dbfs >= -0.1f);
1036 ui->lra_meter->set_levels(global_level_lufs, range_low_lufs, range_high_lufs);
1037 ui->correlation_meter->set_correlation(correlation);
1039 ui->peak_display->setText(QString::fromStdString(format_db(peak_db, DB_BARE)));
1040 set_peak_label(ui->peak_display, peak_db);
1042 // NOTE: Will be invisible when using multitrack audio.
1043 if (!bus_levels.empty()) {
1044 ui->gainstaging_knob->blockSignals(true);
1045 ui->gainstaging_knob->setValue(lrintf(bus_levels[0].gain_staging_db * 10.0f));
1046 ui->gainstaging_knob->blockSignals(false);
1047 ui->gainstaging_db_display->setText(
1048 QString::fromStdString(format_db(bus_levels[0].gain_staging_db, DB_WITH_SIGN)));
1051 ui->makeup_gain_knob->blockSignals(true);
1052 ui->makeup_gain_knob->setValue(lrintf(final_makeup_gain_db * 10.0f));
1053 ui->makeup_gain_knob->blockSignals(false);
1054 ui->makeup_gain_db_display->setText(
1055 QString::fromStdString(format_db(final_makeup_gain_db, DB_WITH_SIGN)));
1056 ui->makeup_gain_db_display_2->setText(
1057 QString::fromStdString(format_db(final_makeup_gain_db, DB_WITH_SIGN)));
1059 // Peak labels could have changed.
1060 midi_mapper.refresh_lights();
1064 void MainWindow::relayout()
1066 int height = ui->vertical_layout->geometry().height();
1068 // Seemingly this can happen and must be ignored.
1072 double remaining_height = height;
1074 // Allocate the height; the most important part is to keep the main displays
1075 // at the right aspect if at all possible.
1076 double me_width = ui->me_preview->width();
1077 double me_height = me_width * double(global_flags.height) / double(global_flags.width) + ui->label_preview->height() + ui->preview_vertical_layout->spacing();
1079 // TODO: Scale the widths when we need to do this.
1080 if (me_height / double(height) > 0.8) {
1081 me_height = height * 0.8;
1083 remaining_height -= me_height + ui->vertical_layout->spacing();
1085 // Space between the M/E displays and the audio strip.
1086 remaining_height -= ui->vertical_layout->spacing();
1088 // The label above the audio strip.
1089 double compact_label_height = ui->compact_label->minimumHeight() +
1090 ui->compact_audio_layout->spacing();
1091 remaining_height -= compact_label_height;
1093 // The previews will be constrained by the remaining height, and the width.
1094 double preview_label_height = previews[0]->label->minimumSize().height() +
1095 previews[0]->main_vertical_layout->spacing();
1096 int preview_total_width = ui->preview_displays->geometry().width() - (previews.size() - 1) * ui->preview_displays->spacing();
1097 double preview_height = min(remaining_height - preview_label_height, (preview_total_width / double(previews.size())) * double(global_flags.height) / double(global_flags.width));
1098 remaining_height -= preview_height + preview_label_height + ui->vertical_layout->spacing();
1100 ui->vertical_layout->setStretch(0, lrintf(me_height));
1101 ui->vertical_layout->setStretch(1,
1102 lrintf(compact_label_height) +
1103 lrintf(remaining_height) +
1104 lrintf(preview_height + preview_label_height)); // Audio strip and previews together.
1106 ui->compact_audio_layout->setStretch(0, lrintf(compact_label_height));
1107 ui->compact_audio_layout->setStretch(1, lrintf(remaining_height)); // Audio strip.
1108 ui->compact_audio_layout->setStretch(2, lrintf(preview_height + preview_label_height));
1110 if (current_audio_view == 0) { // Compact audio view.
1111 // Set the widths for the previews.
1112 double preview_width = preview_height * double(global_flags.width) / double(global_flags.height);
1113 for (unsigned i = 0; i < previews.size(); ++i) {
1114 ui->preview_displays->setStretch(i, lrintf(preview_width));
1117 // The preview horizontal spacer.
1118 double remaining_preview_width = preview_total_width - previews.size() * preview_width;
1119 ui->preview_displays->setStretch(previews.size(), lrintf(remaining_preview_width));
1120 } else if (current_audio_view == 2) { // Video grid view.
1121 // QGridLayout doesn't do it for us, since we need to be able to remove rows
1122 // or columns as the grid changes, and it won't do that. Thus, position everything
1124 constexpr int spacing = 6;
1125 int grid_width = ui->preview_displays_grid->geometry().width();
1126 int grid_height = ui->preview_displays_grid->geometry().height();
1127 int best_preview_width = 0;
1128 unsigned best_num_rows = 1, best_num_cols = 1;
1129 for (unsigned num_rows = 1; num_rows <= previews.size(); ++num_rows) {
1130 int num_cols = (previews.size() + num_rows - 1) / num_rows;
1132 int max_preview_height = (grid_height - spacing * (num_rows - 1)) / num_rows - preview_label_height;
1133 int max_preview_width = (grid_width - spacing * (num_cols - 1)) / num_cols;
1134 int preview_width = std::min<int>(max_preview_width, max_preview_height * double(global_flags.width) / double(global_flags.height));
1136 if (preview_width > best_preview_width) {
1137 best_preview_width = preview_width;
1138 best_num_rows = num_rows;
1139 best_num_cols = num_cols;
1143 double cell_height = lrintf(best_preview_width * double(global_flags.height) / double(global_flags.width)) + preview_label_height;
1144 remaining_height = grid_height - best_num_rows * cell_height - (best_num_rows - 1) * spacing;
1145 int cell_width = best_preview_width;
1146 int remaining_width = grid_width - best_num_cols * cell_width - (best_num_cols - 1) * spacing;
1148 for (unsigned i = 0; i < previews.size(); ++i) {
1149 int col_idx = i % best_num_cols;
1150 int row_idx = i / best_num_cols;
1152 double top = remaining_height * 0.5f + row_idx * (cell_height + spacing);
1153 double bottom = top + cell_height;
1154 double left = remaining_width * 0.5f + col_idx * (cell_width + spacing);
1155 double right = left + cell_width;
1158 rect.setTop(lrintf(top));
1159 rect.setBottom(lrintf(bottom));
1160 rect.setLeft(lrintf(left));
1161 rect.setRight(lrintf(right));
1163 QWidget *display = static_cast<QWidget *>(previews[i]->frame->parent());
1164 display->setGeometry(rect);
1170 void MainWindow::set_locut(float value)
1172 set_relative_value(ui->locut_cutoff_knob, value);
1175 void MainWindow::set_limiter_threshold(float value)
1177 set_relative_value(ui->limiter_threshold_knob, value);
1180 void MainWindow::set_makeup_gain(float value)
1182 set_relative_value(ui->makeup_gain_knob, value);
1185 void MainWindow::set_stereo_width(unsigned bus_idx, float value)
1187 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::stereo_width_knob, value);
1190 void MainWindow::set_treble(unsigned bus_idx, float value)
1192 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::treble_knob, value);
1195 void MainWindow::set_mid(unsigned bus_idx, float value)
1197 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::mid_knob, value);
1200 void MainWindow::set_bass(unsigned bus_idx, float value)
1202 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::bass_knob, value);
1205 void MainWindow::set_gain(unsigned bus_idx, float value)
1207 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_knob, value);
1210 void MainWindow::set_compressor_threshold(unsigned bus_idx, float value)
1212 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_threshold_knob, value);
1215 void MainWindow::set_fader(unsigned bus_idx, float value)
1217 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::fader, value);
1220 void MainWindow::toggle_mute(unsigned bus_idx)
1222 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::mute_button);
1225 void MainWindow::toggle_locut(unsigned bus_idx)
1227 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::locut_enabled);
1230 void MainWindow::toggle_auto_gain_staging(unsigned bus_idx)
1232 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_auto_checkbox);
1235 void MainWindow::toggle_compressor(unsigned bus_idx)
1237 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_enabled);
1240 void MainWindow::clear_peak(unsigned bus_idx)
1242 post_to_main_thread([=]{
1243 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
1244 global_audio_mixer->reset_peak(bus_idx);
1245 midi_mapper.set_has_peaked(bus_idx, false);
1246 midi_mapper.refresh_lights();
1251 void MainWindow::clear_all_highlights()
1253 post_to_main_thread([this]{
1254 highlight_locut(false);
1255 highlight_limiter_threshold(false);
1256 highlight_makeup_gain(false);
1257 highlight_toggle_limiter(false);
1258 highlight_toggle_auto_makeup_gain(false);
1259 for (unsigned bus_idx = 0; bus_idx < audio_expanded_views.size(); ++bus_idx) {
1260 highlight_treble(bus_idx, false);
1261 highlight_mid(bus_idx, false);
1262 highlight_bass(bus_idx, false);
1263 highlight_gain(bus_idx, false);
1264 highlight_compressor_threshold(bus_idx, false);
1265 highlight_fader(bus_idx, false);
1266 highlight_mute(bus_idx, false);
1267 highlight_toggle_locut(bus_idx, false);
1268 highlight_toggle_auto_gain_staging(bus_idx, false);
1269 highlight_toggle_compressor(bus_idx, false);
1274 void MainWindow::toggle_limiter()
1276 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
1277 ui->limiter_enabled->click();
1281 void MainWindow::toggle_auto_makeup_gain()
1283 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
1284 ui->makeup_gain_auto_checkbox->click();
1288 void MainWindow::switch_video_channel(int channel_number)
1290 global_mixer->channel_clicked(channel_number);
1293 void MainWindow::apply_transition(int transition_number)
1295 global_mixer->transition_clicked(transition_number);
1298 void MainWindow::prev_audio_view()
1300 post_to_main_thread([this]{
1305 void MainWindow::next_audio_view()
1307 post_to_main_thread([this]{
1312 void MainWindow::begin_new_segment()
1314 global_mixer->schedule_cut();
1317 void MainWindow::exit()
1319 post_to_main_thread([this]{
1324 void MainWindow::highlight_locut(bool highlight)
1326 post_to_main_thread([this, highlight]{
1327 highlight_control(ui->locut_cutoff_knob, highlight);
1328 highlight_control(ui->locut_cutoff_knob_2, highlight);
1332 void MainWindow::highlight_limiter_threshold(bool highlight)
1334 post_to_main_thread([this, highlight]{
1335 highlight_control(ui->limiter_threshold_knob, highlight);
1336 highlight_control(ui->limiter_threshold_knob_2, highlight);
1340 void MainWindow::highlight_makeup_gain(bool highlight)
1342 post_to_main_thread([this, highlight]{
1343 highlight_control(ui->makeup_gain_knob, highlight);
1344 highlight_control(ui->makeup_gain_knob_2, highlight);
1348 void MainWindow::highlight_stereo_width(unsigned bus_idx, bool highlight)
1350 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::stereo_width_knob, highlight);
1353 void MainWindow::highlight_treble(unsigned bus_idx, bool highlight)
1355 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::treble_knob, highlight);
1358 void MainWindow::highlight_mid(unsigned bus_idx, bool highlight)
1360 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::mid_knob, highlight);
1363 void MainWindow::highlight_bass(unsigned bus_idx, bool highlight)
1365 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::bass_knob, highlight);
1368 void MainWindow::highlight_gain(unsigned bus_idx, bool highlight)
1370 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_knob, highlight);
1373 void MainWindow::highlight_compressor_threshold(unsigned bus_idx, bool highlight)
1375 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_threshold_knob, highlight);
1378 void MainWindow::highlight_fader(unsigned bus_idx, bool highlight)
1380 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::fader, highlight);
1383 void MainWindow::highlight_mute(unsigned bus_idx, bool highlight)
1385 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::mute_button, highlight, /*is_mute_btton=*/true);
1388 void MainWindow::highlight_toggle_locut(unsigned bus_idx, bool highlight)
1390 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::locut_enabled, highlight);
1393 void MainWindow::highlight_toggle_auto_gain_staging(unsigned bus_idx, bool highlight)
1395 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_auto_checkbox, highlight);
1398 void MainWindow::highlight_toggle_compressor(unsigned bus_idx, bool highlight)
1400 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_enabled, highlight);
1403 void MainWindow::highlight_toggle_limiter(bool highlight)
1405 post_to_main_thread([this, highlight]{
1406 highlight_control(ui->limiter_enabled, highlight);
1407 highlight_control(ui->limiter_enabled_2, highlight);
1411 void MainWindow::highlight_toggle_auto_makeup_gain(bool highlight)
1413 post_to_main_thread([this, highlight]{
1414 highlight_control(ui->makeup_gain_auto_checkbox, highlight);
1415 highlight_control(ui->makeup_gain_auto_checkbox_2, highlight);
1420 void MainWindow::set_relative_value(T *control, float value)
1422 post_to_main_thread([control, value]{
1423 control->setValue(lrintf(control->minimum() + value * (control->maximum() - control->minimum())));
1428 void MainWindow::set_relative_value_if_exists(unsigned bus_idx, T *(Ui_AudioExpandedView::*control), float value)
1430 if (global_audio_mixer != nullptr &&
1431 global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL &&
1432 bus_idx < audio_expanded_views.size()) {
1433 set_relative_value(audio_expanded_views[bus_idx]->*control, value);
1438 void MainWindow::click_button_if_exists(unsigned bus_idx, T *(Ui_AudioExpandedView::*control))
1440 post_to_main_thread([this, bus_idx, control]{
1441 if (global_audio_mixer != nullptr &&
1442 global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL &&
1443 bus_idx < audio_expanded_views.size()) {
1444 (audio_expanded_views[bus_idx]->*control)->click();
1450 void MainWindow::highlight_control(T *control, bool highlight)
1452 if (control == nullptr) {
1455 if (global_audio_mixer == nullptr ||
1456 global_audio_mixer->get_mapping_mode() != AudioMixer::MappingMode::MULTICHANNEL) {
1460 control->setStyleSheet("background: rgb(0,255,0,80)");
1462 control->setStyleSheet("");
1467 void MainWindow::highlight_mute_control(T *control, bool highlight)
1469 if (control == nullptr) {
1472 if (global_audio_mixer == nullptr ||
1473 global_audio_mixer->get_mapping_mode() != AudioMixer::MappingMode::MULTICHANNEL) {
1477 control->setStyleSheet("QPushButton { background: rgb(0,255,0,80); } QPushButton:checked { background: rgba(255,80,0,140); }");
1479 control->setStyleSheet("QPushButton:checked { background: rgba(255,0,0,80); }");
1484 void MainWindow::highlight_control_if_exists(unsigned bus_idx, T *(Ui_AudioExpandedView::*control), bool highlight, bool is_mute_button)
1486 post_to_main_thread([this, bus_idx, control, highlight, is_mute_button]{
1487 if (bus_idx < audio_expanded_views.size()) {
1488 if (is_mute_button) {
1489 highlight_mute_control(audio_expanded_views[bus_idx]->*control, highlight);
1491 highlight_control(audio_expanded_views[bus_idx]->*control, highlight);
1497 void MainWindow::set_transition_names(vector<string> transition_names)
1499 if (transition_names.size() < 1 || transition_names[0].empty()) {
1500 transition_btn1->setText(QString(""));
1502 transition_btn1->setText(QString::fromStdString(transition_names[0] + " (J)"));
1503 ui->transition_btn1->setShortcut(QKeySequence("J"));
1505 if (transition_names.size() < 2 || transition_names[1].empty()) {
1506 transition_btn2->setText(QString(""));
1508 transition_btn2->setText(QString::fromStdString(transition_names[1] + " (K)"));
1509 ui->transition_btn2->setShortcut(QKeySequence("K"));
1511 if (transition_names.size() < 3 || transition_names[2].empty()) {
1512 transition_btn3->setText(QString(""));
1514 transition_btn3->setText(QString::fromStdString(transition_names[2] + " (L)"));
1515 ui->transition_btn3->setShortcut(QKeySequence("L"));
1519 void MainWindow::update_channel_name(Mixer::Output output, const string &name)
1521 if (output == Mixer::OUTPUT_LIVE) {
1522 ui->label_live->setText(name.c_str());
1523 } else if (output == Mixer::OUTPUT_PREVIEW) {
1524 ui->label_preview->setText(name.c_str());
1525 } else if (output >= Mixer::OUTPUT_INPUT0) {
1526 unsigned channel = output - Mixer::OUTPUT_INPUT0;
1527 previews[channel]->label->setText(name.c_str());
1530 analyzer->update_channel_name(output, name);
1533 void MainWindow::update_channel_color(Mixer::Output output, const string &color)
1535 if (output >= Mixer::OUTPUT_INPUT0) {
1536 unsigned channel = output - Mixer::OUTPUT_INPUT0;
1537 previews[channel]->frame->setStyleSheet(QString::fromStdString("background-color:" + color));
1541 void MainWindow::transition_clicked(int transition_number)
1543 global_mixer->transition_clicked(transition_number);
1546 void MainWindow::channel_clicked(int channel_number)
1548 if (current_wb_pick_display == channel_number) {
1549 // The picking was already done from eventFilter(), since we don't get
1550 // the mouse pointer here.
1552 global_mixer->channel_clicked(channel_number);
1556 void MainWindow::quick_cut_activated(int channel_number)
1558 if (!global_flags.enable_quick_cut_keys) {
1561 global_mixer->channel_clicked(channel_number);
1562 global_mixer->transition_clicked(0);
1565 void MainWindow::wb_button_clicked(int channel_number)
1567 current_wb_pick_display = channel_number;
1568 QApplication::setOverrideCursor(Qt::CrossCursor);
1571 void MainWindow::audio_view_changed(int audio_view)
1573 if (audio_view == current_audio_view) {
1577 if (audio_view == 0) {
1578 // Compact audio view. (1, full audio view, has no video previews.)
1579 for (unsigned i = 0; i < previews.size(); ++i) {
1580 QWidget *display = static_cast<QWidget *>(previews[i]->frame->parent());
1581 ui->preview_displays->insertWidget(i, display, 1);
1583 } else if (audio_view == 2) {
1584 // Video grid display.
1585 for (unsigned i = 0; i < previews.size(); ++i) {
1586 QWidget *display = static_cast<QWidget *>(previews[i]->frame->parent());
1587 display->setParent(ui->preview_displays_grid);
1592 current_audio_view = audio_view;
1594 // Ask for a relayout, but only after the event loop is done doing relayout
1595 // on everything else.
1596 QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
1599 bool MainWindow::eventFilter(QObject *watched, QEvent *event)
1601 if (current_wb_pick_display != -1 &&
1602 event->type() == QEvent::MouseButtonRelease &&
1603 watched->isWidgetType()) {
1604 QApplication::restoreOverrideCursor();
1605 if (watched == previews[current_wb_pick_display]->display) {
1606 const QMouseEvent *mouse_event = (QMouseEvent *)event;
1607 previews[current_wb_pick_display]->display->grab_white_balance(
1608 current_wb_pick_display,
1609 mouse_event->x(), mouse_event->y());
1611 // The user clicked on something else, give up.
1612 // (The click goes through, which might not be ideal, but, yes.)
1613 current_wb_pick_display = -1;
1619 void MainWindow::closeEvent(QCloseEvent *event)
1621 if (global_mixer->get_num_connected_clients() > 0) {
1622 QMessageBox::StandardButton reply =
1623 QMessageBox::question(this, "Nageru", "There are clients connected. Do you really want to quit?",
1624 QMessageBox::Yes | QMessageBox::No);
1625 if (reply != QMessageBox::Yes) {
1632 global_mixer->quit();
1633 mixer_shutting_down();
1637 void MainWindow::audio_state_changed()
1639 post_to_main_thread([this]{
1640 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
1643 InputMapping mapping = global_audio_mixer->get_input_mapping();
1644 for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) {
1645 string label = get_bus_desc_label(mapping.buses[bus_index]);
1646 audio_miniviews[bus_index]->bus_desc_label->setFullText(
1647 QString::fromStdString(label));
1648 audio_expanded_views[bus_index]->bus_desc_label->setFullText(
1649 QString::fromStdString(label));