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));
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->simple_audio_mode, &QAction::triggered, this, &MainWindow::simple_audio_mode_triggered);
220 connect(ui->multichannel_audio_mode, &QAction::triggered, this, &MainWindow::multichannel_audio_mode_triggered);
221 connect(ui->input_mapping_action, &QAction::triggered, this, &MainWindow::input_mapping_triggered);
222 connect(ui->midi_mapping_action, &QAction::triggered, this, &MainWindow::midi_mapping_triggered);
223 connect(ui->timecode_stream_action, &QAction::triggered, this, &MainWindow::timecode_stream_triggered);
224 connect(ui->timecode_stdout_action, &QAction::triggered, this, &MainWindow::timecode_stdout_triggered);
226 ui->timecode_stream_action->setChecked(global_flags.display_timecode_in_stream);
227 ui->timecode_stdout_action->setChecked(global_flags.display_timecode_on_stdout);
229 if (global_flags.x264_video_to_http && isinf(global_flags.x264_crf)) {
230 connect(ui->x264_bitrate_action, &QAction::triggered, this, &MainWindow::x264_bitrate_triggered);
232 ui->x264_bitrate_action->setEnabled(false);
235 connect(ui->video_menu, &QMenu::aboutToShow, [this]{
236 fill_hdmi_sdi_output_device_menu(ui->hdmi_sdi_output_device_menu);
237 fill_hdmi_sdi_output_resolution_menu(ui->hdmi_sdi_output_resolution_menu);
240 // Hook up the transition buttons. (Keyboard shortcuts are set in set_transition_names().)
241 // TODO: Make them dynamic.
242 connect(ui->transition_btn1, &QPushButton::clicked, bind(&MainWindow::transition_clicked, this, 0));
243 connect(ui->transition_btn2, &QPushButton::clicked, bind(&MainWindow::transition_clicked, this, 1));
244 connect(ui->transition_btn3, &QPushButton::clicked, bind(&MainWindow::transition_clicked, this, 2));
247 transition_btn1 = ui->transition_btn1;
248 transition_btn2 = ui->transition_btn2;
249 transition_btn3 = ui->transition_btn3;
250 qRegisterMetaType<string>("std::string");
251 qRegisterMetaType<vector<string>>("std::vector<std::string>");
252 connect(ui->me_live, &GLWidget::transition_names_updated, this, &MainWindow::set_transition_names);
253 qRegisterMetaType<Mixer::Output>("Mixer::Output");
255 // Hook up the prev/next buttons on the audio views.
256 connect(ui->compact_prev_page, &QAbstractButton::clicked, this, &MainWindow::prev_page);
257 connect(ui->compact_next_page, &QAbstractButton::clicked, this, &MainWindow::next_page);
258 connect(ui->full_prev_page, &QAbstractButton::clicked, this, &MainWindow::prev_page);
259 connect(ui->full_next_page, &QAbstractButton::clicked, this, &MainWindow::next_page);
260 connect(ui->video_grid_prev_page, &QAbstractButton::clicked, this, &MainWindow::prev_page);
261 connect(ui->video_grid_next_page, &QAbstractButton::clicked, this, &MainWindow::next_page);
263 // And bind the same to PgUp/PgDown.
264 connect(new QShortcut(QKeySequence::MoveToNextPage, this), &QShortcut::activated, this, &MainWindow::next_page);
265 connect(new QShortcut(QKeySequence::MoveToPreviousPage, this), &QShortcut::activated, this, &MainWindow::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();
290 if (global_flags.fullscreen) {
291 QMainWindow::showFullScreen();
295 void MainWindow::prev_page()
297 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
298 ui->audio_views->setCurrentIndex((ui->audio_views->currentIndex() + 2) % 3);
300 ui->audio_views->setCurrentIndex(2 - ui->audio_views->currentIndex()); // Switch between 0 and 2.
304 void MainWindow::next_page()
306 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
307 ui->audio_views->setCurrentIndex((ui->audio_views->currentIndex() + 1) % 3);
309 ui->audio_views->setCurrentIndex(2 - ui->audio_views->currentIndex()); // Switch between 0 and 2.
313 void MainWindow::resizeEvent(QResizeEvent* event)
315 QMainWindow::resizeEvent(event);
317 // Ask for a relayout, but only after the event loop is done doing relayout
318 // on everything else.
319 QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
322 void MainWindow::mixer_created(Mixer *mixer)
324 // Make the previews.
325 unsigned num_previews = mixer->get_num_channels();
327 const char qwerty[] = "QWERTYUIOP";
328 for (unsigned i = 0; i < num_previews; ++i) {
329 Mixer::Output output = Mixer::Output(Mixer::OUTPUT_INPUT0 + i);
331 QWidget *preview = new QWidget(this); // Will be connected to a layout immediately after the loop.
332 Ui::Display *ui_display = new Ui::Display;
333 ui_display->setupUi(preview);
334 ui_display->label->setText(mixer->get_channel_name(output).c_str());
335 ui_display->display->set_output(output);
336 previews.push_back(ui_display);
338 // Hook up the click.
339 connect(ui_display->display, &GLWidget::clicked, bind(&MainWindow::channel_clicked, this, i));
341 // Let the theme update the text whenever the resolution or color changed.
342 connect(ui_display->display, &GLWidget::name_updated, this, &MainWindow::update_channel_name);
343 connect(ui_display->display, &GLWidget::color_updated, this, &MainWindow::update_channel_color);
345 // Hook up the keyboard key.
346 QShortcut *shortcut = nullptr;
348 shortcut = new QShortcut(QKeySequence(Qt::Key_1 + i), this);
350 shortcut = new QShortcut(QKeySequence(Qt::Key_0), this);
352 if (shortcut != nullptr) {
353 connect(shortcut, &QShortcut::activated, bind(&MainWindow::channel_clicked, this, i));
356 // Hook up the quick-cut key.
357 if (i < strlen(qwerty)) {
358 QShortcut *shortcut = new QShortcut(QKeySequence(qwerty[i]), this);
359 connect(shortcut, &QShortcut::activated, bind(&MainWindow::quick_cut_activated, this, i));
362 // Hook up the white balance button (irrelevant if invisible).
363 ui_display->wb_button->setVisible(mixer->get_supports_set_wb(output));
364 connect(ui_display->wb_button, &QPushButton::clicked, bind(&MainWindow::wb_button_clicked, this, i));
367 // Connect the previews to the correct layout.
368 audio_view_changed(ui->audio_views->currentIndex());
370 global_audio_mixer->set_state_changed_callback(bind(&MainWindow::audio_state_changed, this));
372 slave_knob(ui->locut_cutoff_knob, ui->locut_cutoff_knob_2);
373 slave_knob(ui->limiter_threshold_knob, ui->limiter_threshold_knob_2);
374 slave_knob(ui->makeup_gain_knob, ui->makeup_gain_knob_2);
375 slave_checkbox(ui->makeup_gain_auto_checkbox, ui->makeup_gain_auto_checkbox_2);
376 slave_checkbox(ui->limiter_enabled, ui->limiter_enabled_2);
378 reset_audio_mapping_ui();
380 // TODO: Fetch all of the values these for completeness,
381 // not just the enable knobs implied by flags.
382 ui->limiter_enabled->setChecked(global_audio_mixer->get_limiter_enabled());
383 ui->makeup_gain_auto_checkbox->setChecked(global_audio_mixer->get_final_makeup_gain_auto());
385 // Controls used only for simple audio fetch their state from the first bus.
386 constexpr unsigned simple_bus_index = 0;
387 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
388 ui->locut_enabled->setChecked(global_audio_mixer->get_locut_enabled(simple_bus_index));
389 ui->gainstaging_knob->setValue(global_audio_mixer->get_gain_staging_db(simple_bus_index));
390 ui->gainstaging_auto_checkbox->setChecked(global_audio_mixer->get_gain_staging_auto(simple_bus_index));
391 ui->compressor_enabled->setChecked(global_audio_mixer->get_compressor_enabled(simple_bus_index));
392 ui->compressor_threshold_db_display->setText(
393 QString::fromStdString(format_db(mixer->get_audio_mixer()->get_compressor_threshold_dbfs(simple_bus_index), DB_WITH_SIGN)));
395 connect(ui->locut_enabled, &QCheckBox::stateChanged, [this](int state){
396 global_audio_mixer->set_locut_enabled(simple_bus_index, state == Qt::Checked);
397 midi_mapper.refresh_lights();
399 connect(ui->gainstaging_knob, &QAbstractSlider::valueChanged,
400 bind(&MainWindow::gain_staging_knob_changed, this, simple_bus_index, _1));
401 connect(ui->gainstaging_auto_checkbox, &QCheckBox::stateChanged, [this](int state){
402 global_audio_mixer->set_gain_staging_auto(simple_bus_index, state == Qt::Checked);
403 midi_mapper.refresh_lights();
405 connect(ui->compressor_threshold_knob, &QDial::valueChanged,
406 bind(&MainWindow::compressor_threshold_knob_changed, this, simple_bus_index, _1));
407 connect(ui->compressor_enabled, &QCheckBox::stateChanged, [this](int state){
408 global_audio_mixer->set_compressor_enabled(simple_bus_index, state == Qt::Checked);
409 midi_mapper.refresh_lights();
412 // Global mastering controls.
413 QString limiter_threshold_label(
414 QString::fromStdString(format_db(mixer->get_audio_mixer()->get_limiter_threshold_dbfs(), DB_WITH_SIGN)));
415 ui->limiter_threshold_db_display->setText(limiter_threshold_label);
416 ui->limiter_threshold_db_display_2->setText(limiter_threshold_label);
418 connect(ui->locut_cutoff_knob, &QDial::valueChanged, this, &MainWindow::cutoff_knob_changed);
419 cutoff_knob_changed(ui->locut_cutoff_knob->value());
421 connect(ui->makeup_gain_knob, &QAbstractSlider::valueChanged, this, &MainWindow::final_makeup_gain_knob_changed);
422 connect(ui->makeup_gain_auto_checkbox, &QCheckBox::stateChanged, [this](int state){
423 global_audio_mixer->set_final_makeup_gain_auto(state == Qt::Checked);
424 midi_mapper.refresh_lights();
427 connect(ui->limiter_threshold_knob, &QDial::valueChanged, this, &MainWindow::limiter_threshold_knob_changed);
428 connect(ui->limiter_enabled, &QCheckBox::stateChanged, [this](int state){
429 global_audio_mixer->set_limiter_enabled(state == Qt::Checked);
430 midi_mapper.refresh_lights();
432 connect(ui->reset_meters_button, &QPushButton::clicked, this, &MainWindow::reset_meters_button_clicked);
433 // Even though we have a reset button right next to it, the fact that
434 // the expanded audio view labels are clickable makes it natural to
435 // click this one as well.
436 connect(ui->peak_display, &ClickableLabel::clicked, this, &MainWindow::reset_meters_button_clicked);
437 mixer->get_audio_mixer()->set_audio_level_callback(bind(&MainWindow::audio_level_callback, this, _1, _2, _3, _4, _5, _6, _7, _8));
439 midi_mapper.refresh_highlights();
440 midi_mapper.refresh_lights();
441 midi_mapper.start_thread();
443 analyzer.reset(new Analyzer);
445 global_mixer->set_theme_menu_callback(bind(&MainWindow::setup_theme_menu, this));
448 struct sigaction act;
449 memset(&act, 0, sizeof(act));
450 act.sa_handler = schedule_cut_signal;
451 act.sa_flags = SA_RESTART;
452 sigaction(SIGHUP, &act, nullptr);
454 // Mostly for debugging. Don't override SIGINT, that's so evil if
455 // shutdown isn't instant.
456 memset(&act, 0, sizeof(act));
457 act.sa_handler = quit_signal;
458 act.sa_flags = SA_RESTART;
459 sigaction(SIGUSR1, &act, nullptr);
462 void MainWindow::reset_audio_mapping_ui()
464 bool simple = (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE);
466 ui->simple_audio_mode->setChecked(simple);
467 ui->multichannel_audio_mode->setChecked(!simple);
468 ui->input_mapping_action->setEnabled(!simple);
469 ui->midi_mapping_action->setEnabled(!simple);
471 ui->locut_enabled->setVisible(simple);
472 ui->gainstaging_label->setVisible(simple);
473 ui->gainstaging_knob->setVisible(simple);
474 ui->gainstaging_db_display->setVisible(simple);
475 ui->gainstaging_auto_checkbox->setVisible(simple);
476 ui->compressor_threshold_label->setVisible(simple);
477 ui->compressor_threshold_knob->setVisible(simple);
478 ui->compressor_threshold_db_display->setVisible(simple);
479 ui->compressor_enabled->setVisible(simple);
481 setup_audio_miniview();
482 setup_audio_expanded_view();
485 ui->compact_label->setText("Compact audio view (1/2) ");
486 ui->video_grid_label->setText("Video grid display (2/2) ");
487 if (ui->audio_views->currentIndex() == 1) {
488 // Full audio view is not available in simple mode.
489 ui->audio_views->setCurrentIndex(0);
492 ui->compact_label->setText("Compact audio view (1/3) ");
493 ui->full_label->setText("Full audio view (2/3) ");
494 ui->video_grid_label->setText("Video grid display (3/3) ");
497 midi_mapper.refresh_highlights();
498 midi_mapper.refresh_lights();
501 void MainWindow::setup_audio_miniview()
503 // Remove any existing channels.
504 for (QLayoutItem *item; (item = ui->faders->takeAt(0)) != nullptr; ) {
505 delete item->widget();
508 audio_miniviews.clear();
510 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
514 // Set up brand new ones from the input mapping.
515 InputMapping mapping = global_audio_mixer->get_input_mapping();
516 audio_miniviews.resize(mapping.buses.size());
517 for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) {
518 QWidget *channel = new QWidget(this);
519 Ui::AudioMiniView *ui_audio_miniview = new Ui::AudioMiniView;
520 ui_audio_miniview->setupUi(channel);
521 ui_audio_miniview->bus_desc_label->setFullText(
522 QString::fromStdString(get_bus_desc_label(mapping.buses[bus_index])));
523 audio_miniviews[bus_index] = ui_audio_miniview;
525 // Set up the peak meter.
526 VUMeter *peak_meter = ui_audio_miniview->peak_meter;
527 peak_meter->set_min_level(-30.0f);
528 peak_meter->set_max_level(0.0f);
529 peak_meter->set_ref_level(0.0f);
531 ui_audio_miniview->fader->setDbValue(global_audio_mixer->get_fader_volume(bus_index));
533 ui->faders->addWidget(channel);
535 connect(ui_audio_miniview->fader, &NonLinearFader::dbValueChanged,
536 bind(&MainWindow::mini_fader_changed, this, bus_index, _1));
537 connect(ui_audio_miniview->peak_display_label, &ClickableLabel::clicked,
539 global_audio_mixer->reset_peak(bus_index);
544 void MainWindow::setup_audio_expanded_view()
546 // Remove any existing channels.
547 for (QLayoutItem *item; (item = ui->buses->takeAt(0)) != nullptr; ) {
548 delete item->widget();
551 audio_expanded_views.clear();
553 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
557 // Set up brand new ones from the input mapping.
558 InputMapping mapping = global_audio_mixer->get_input_mapping();
559 audio_expanded_views.resize(mapping.buses.size());
560 for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) {
561 QWidget *channel = new QWidget(this);
562 Ui::AudioExpandedView *ui_audio_expanded_view = new Ui::AudioExpandedView;
563 ui_audio_expanded_view->setupUi(channel);
564 ui_audio_expanded_view->bus_desc_label->setFullText(
565 QString::fromStdString(get_bus_desc_label(mapping.buses[bus_index])));
566 audio_expanded_views[bus_index] = ui_audio_expanded_view;
567 update_stereo_knob_and_label(bus_index, lrintf(100.0f * global_audio_mixer->get_stereo_width(bus_index)));
568 update_eq_label(bus_index, EQ_BAND_TREBLE, global_audio_mixer->get_eq(bus_index, EQ_BAND_TREBLE));
569 update_eq_label(bus_index, EQ_BAND_MID, global_audio_mixer->get_eq(bus_index, EQ_BAND_MID));
570 update_eq_label(bus_index, EQ_BAND_BASS, global_audio_mixer->get_eq(bus_index, EQ_BAND_BASS));
571 ui_audio_expanded_view->fader->setDbValue(global_audio_mixer->get_fader_volume(bus_index));
572 ui_audio_expanded_view->mute_button->setChecked(global_audio_mixer->get_mute(bus_index));
573 connect(ui_audio_expanded_view->mute_button, &QPushButton::toggled,
574 bind(&MainWindow::mute_button_toggled, this, bus_index, _1));
575 ui->buses->addWidget(channel);
577 ui_audio_expanded_view->locut_enabled->setChecked(global_audio_mixer->get_locut_enabled(bus_index));
578 connect(ui_audio_expanded_view->locut_enabled, &QCheckBox::stateChanged, [this, bus_index](int state){
579 global_audio_mixer->set_locut_enabled(bus_index, state == Qt::Checked);
580 midi_mapper.refresh_lights();
583 connect(ui_audio_expanded_view->stereo_width_knob, &QDial::valueChanged,
584 bind(&MainWindow::stereo_width_knob_changed, this, bus_index, _1));
586 connect(ui_audio_expanded_view->treble_knob, &QDial::valueChanged,
587 bind(&MainWindow::eq_knob_changed, this, bus_index, EQ_BAND_TREBLE, _1));
588 connect(ui_audio_expanded_view->mid_knob, &QDial::valueChanged,
589 bind(&MainWindow::eq_knob_changed, this, bus_index, EQ_BAND_MID, _1));
590 connect(ui_audio_expanded_view->bass_knob, &QDial::valueChanged,
591 bind(&MainWindow::eq_knob_changed, this, bus_index, EQ_BAND_BASS, _1));
593 ui_audio_expanded_view->gainstaging_knob->setValue(global_audio_mixer->get_gain_staging_db(bus_index));
594 ui_audio_expanded_view->gainstaging_auto_checkbox->setChecked(global_audio_mixer->get_gain_staging_auto(bus_index));
595 ui_audio_expanded_view->compressor_enabled->setChecked(global_audio_mixer->get_compressor_enabled(bus_index));
597 connect(ui_audio_expanded_view->gainstaging_knob, &QAbstractSlider::valueChanged, bind(&MainWindow::gain_staging_knob_changed, this, bus_index, _1));
598 connect(ui_audio_expanded_view->gainstaging_auto_checkbox, &QCheckBox::stateChanged, [this, bus_index](int state){
599 global_audio_mixer->set_gain_staging_auto(bus_index, state == Qt::Checked);
600 midi_mapper.refresh_lights();
603 connect(ui_audio_expanded_view->compressor_threshold_knob, &QDial::valueChanged, bind(&MainWindow::compressor_threshold_knob_changed, this, bus_index, _1));
604 connect(ui_audio_expanded_view->compressor_enabled, &QCheckBox::stateChanged, [this, bus_index](int state){
605 global_audio_mixer->set_compressor_enabled(bus_index, state == Qt::Checked);
606 midi_mapper.refresh_lights();
609 slave_fader(audio_miniviews[bus_index]->fader, ui_audio_expanded_view->fader);
611 // Set up the peak meter.
612 VUMeter *peak_meter = ui_audio_expanded_view->peak_meter;
613 peak_meter->set_min_level(-30.0f);
614 peak_meter->set_max_level(0.0f);
615 peak_meter->set_ref_level(0.0f);
617 connect(ui_audio_expanded_view->peak_display_label, &ClickableLabel::clicked,
618 [this, bus_index]() {
619 global_audio_mixer->reset_peak(bus_index);
620 midi_mapper.refresh_lights();
624 update_cutoff_labels(global_audio_mixer->get_locut_cutoff());
627 void MainWindow::mixer_shutting_down()
629 ui->me_live->shutdown();
630 ui->me_preview->shutdown();
632 for (Ui::Display *display : previews) {
633 display->display->shutdown();
636 analyzer->mixer_shutting_down();
639 void MainWindow::cut_triggered()
641 global_mixer->schedule_cut();
644 void MainWindow::x264_bitrate_triggered()
647 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);
648 if (ok && new_bitrate >= 100 && new_bitrate <= 100000) {
649 global_flags.x264_bitrate = new_bitrate;
650 global_mixer->change_x264_bitrate(new_bitrate);
654 void MainWindow::exit_triggered()
659 void MainWindow::manual_triggered()
661 if (!QDesktopServices::openUrl(QUrl("https://nageru.sesse.net/doc/"))) {
663 msgbox.setText("Could not launch manual in web browser.\nPlease see https://nageru.sesse.net/doc/ manually.");
668 void MainWindow::about_triggered()
670 AboutDialog("Nageru", "Realtime video mixer").exec();
673 void MainWindow::open_analyzer_triggered()
678 void MainWindow::simple_audio_mode_triggered()
680 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
683 unsigned card_index = global_audio_mixer->get_simple_input();
684 if (card_index == numeric_limits<unsigned>::max()) {
685 QMessageBox::StandardButton reply =
686 QMessageBox::question(this,
687 "Mapping too complex",
688 "The current audio mapping is too complicated to be representable in simple mode, "
689 "and will be discarded if you proceed. Really go to simple audio mode?",
690 QMessageBox::Yes | QMessageBox::No);
691 if (reply == QMessageBox::No) {
692 ui->simple_audio_mode->setChecked(false);
693 ui->multichannel_audio_mode->setChecked(true);
698 global_audio_mixer->set_simple_input(/*card_index=*/card_index);
699 reset_audio_mapping_ui();
702 void MainWindow::multichannel_audio_mode_triggered()
704 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
708 // Take the generated input mapping from the simple input,
709 // and set it as a normal multichannel mapping, which causes
710 // the mode to go to multichannel.
711 global_audio_mixer->set_input_mapping(global_audio_mixer->get_input_mapping());
712 reset_audio_mapping_ui();
715 void MainWindow::input_mapping_triggered()
717 if (InputMappingDialog().exec() == QDialog::Accepted) {
718 setup_audio_miniview();
719 setup_audio_expanded_view();
721 midi_mapper.refresh_highlights();
722 midi_mapper.refresh_lights();
725 void MainWindow::midi_mapping_triggered()
727 MIDIMappingDialog(&midi_mapper).exec();
730 void MainWindow::timecode_stream_triggered()
732 global_mixer->set_display_timecode_in_stream(ui->timecode_stream_action->isChecked());
735 void MainWindow::timecode_stdout_triggered()
737 global_mixer->set_display_timecode_on_stdout(ui->timecode_stdout_action->isChecked());
740 void MainWindow::gain_staging_knob_changed(unsigned bus_index, int value)
742 if (bus_index == 0) {
743 ui->gainstaging_auto_checkbox->setCheckState(Qt::Unchecked);
745 if (bus_index < audio_expanded_views.size()) {
746 audio_expanded_views[bus_index]->gainstaging_auto_checkbox->setCheckState(Qt::Unchecked);
749 float gain_db = value * 0.1f;
750 global_audio_mixer->set_gain_staging_db(bus_index, gain_db);
752 // The label will be updated by the audio level callback.
755 void MainWindow::final_makeup_gain_knob_changed(int value)
757 ui->makeup_gain_auto_checkbox->setCheckState(Qt::Unchecked);
759 float gain_db = value * 0.1f;
760 global_audio_mixer->set_final_makeup_gain_db(gain_db);
762 // The label will be updated by the audio level callback.
765 void MainWindow::cutoff_knob_changed(int value)
767 float octaves = value * 0.1f;
768 float cutoff_hz = 20.0 * pow(2.0, octaves);
769 global_audio_mixer->set_locut_cutoff(cutoff_hz);
770 update_cutoff_labels(cutoff_hz);
773 void MainWindow::update_cutoff_labels(float cutoff_hz)
776 snprintf(buf, sizeof(buf), "%ld Hz", lrintf(cutoff_hz));
777 ui->locut_cutoff_display->setText(buf);
778 ui->locut_cutoff_display_2->setText(buf);
780 for (unsigned bus_index = 0; bus_index < audio_expanded_views.size(); ++bus_index) {
781 audio_expanded_views[bus_index]->locut_enabled->setText(
782 QString("Lo-cut: ") + buf);
786 void MainWindow::report_disk_space(off_t free_bytes, double estimated_seconds_left)
789 if (estimated_seconds_left < 60.0) {
790 strcpy(time_str, "<font color=\"red\">Less than a minute</font>");
791 } else if (estimated_seconds_left < 1800.0) { // Less than half an hour: Xm Ys (red).
792 int s = lrintf(estimated_seconds_left);
795 snprintf(time_str, sizeof(time_str), "<font color=\"red\">%dm %ds</font>", m, s);
796 } else if (estimated_seconds_left < 3600.0) { // Less than an hour: Xm.
797 int m = lrintf(estimated_seconds_left / 60.0);
798 snprintf(time_str, sizeof(time_str), "%dm", m);
799 } else if (estimated_seconds_left < 36000.0) { // Less than ten hours: Xh Ym.
800 int m = lrintf(estimated_seconds_left / 60.0);
803 snprintf(time_str, sizeof(time_str), "%dh %dm", h, m);
804 } else { // More than ten hours: Xh.
805 int h = lrintf(estimated_seconds_left / 3600.0);
806 snprintf(time_str, sizeof(time_str), "%dh", h);
809 snprintf(buf, sizeof(buf), "Disk free: %'.0f MB (approx. %s)", free_bytes / 1048576.0, time_str);
811 std::string label = buf;
813 post_to_main_thread([this, label]{
814 disk_free_label->setText(QString::fromStdString(label));
815 ui->menuBar->setCornerWidget(disk_free_label); // Need to set this again for the sizing to get right.
819 void MainWindow::stereo_width_knob_changed(unsigned bus_index, int value)
821 float stereo_width = value * 0.01f;
822 global_audio_mixer->set_stereo_width(bus_index, stereo_width);
824 update_stereo_label(bus_index, value);
827 void MainWindow::eq_knob_changed(unsigned bus_index, EQBand band, int value)
829 float gain_db = value * 0.1f;
830 global_audio_mixer->set_eq(bus_index, band, gain_db);
832 update_eq_label(bus_index, band, gain_db);
835 void MainWindow::update_stereo_knob_and_label(unsigned bus_index, int stereo_width_percent)
837 Ui::AudioExpandedView *view = audio_expanded_views[bus_index];
839 if (global_audio_mixer->is_mono(bus_index)) {
840 view->stereo_width_knob->setEnabled(false);
841 view->stereo_width_label->setEnabled(false);
843 view->stereo_width_knob->setEnabled(true);
844 view->stereo_width_label->setEnabled(true);
846 view->stereo_width_knob->setValue(stereo_width_percent);
847 update_stereo_label(bus_index, stereo_width_percent);
850 void MainWindow::update_stereo_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_label->setText("Mono");
858 snprintf(buf, sizeof(buf), "Stereo: %d%%", stereo_width_percent);
859 view->stereo_width_label->setText(buf);
863 void MainWindow::update_eq_label(unsigned bus_index, EQBand band, float gain_db)
865 Ui::AudioExpandedView *view = audio_expanded_views[bus_index];
866 string db_string = format_db(gain_db, DB_WITH_SIGN);
869 view->treble_label->setText(QString::fromStdString("Treble: " + db_string));
872 view->mid_label->setText(QString::fromStdString("Mid: " + db_string));
875 view->bass_label->setText(QString::fromStdString("Bass: " + db_string));
882 void MainWindow::setup_theme_menu()
884 Theme::MenuEntry *root_menu = global_mixer->get_theme_menu();
886 // Remove the old menu, if any.
887 if (theme_menu != nullptr) {
888 ui->menuBar->removeAction(theme_menu->menuAction());
889 theme_menu = nullptr;
892 if (root_menu != nullptr) {
893 assert(root_menu->is_submenu);
894 if (!root_menu->submenu.empty()) {
895 theme_menu = new QMenu("&Theme");
896 fill_menu_from_theme_menu(root_menu->submenu, theme_menu);
897 ui->menuBar->insertMenu(ui->menu_Help->menuAction(), theme_menu);
902 void MainWindow::fill_menu_from_theme_menu(const vector<unique_ptr<Theme::MenuEntry>> &entries, QMenu *menu)
904 for (const unique_ptr<Theme::MenuEntry> &entry : entries) {
905 if (entry->is_submenu) {
906 QMenu *submenu = new QMenu(QString::fromStdString(entry->text));
907 fill_menu_from_theme_menu(entry->submenu, submenu);
908 menu->addMenu(submenu);
912 QAction *action = menu->addAction(QString::fromStdString(entry->text));
913 connect(action, &QAction::triggered, [lua_ref = entry->entry.lua_ref] {
914 global_mixer->theme_menu_entry_clicked(lua_ref);
919 void MainWindow::limiter_threshold_knob_changed(int value)
921 float threshold_dbfs = value * 0.1f;
922 global_audio_mixer->set_limiter_threshold_dbfs(threshold_dbfs);
923 ui->limiter_threshold_db_display->setText(
924 QString::fromStdString(format_db(threshold_dbfs, DB_WITH_SIGN)));
925 ui->limiter_threshold_db_display_2->setText(
926 QString::fromStdString(format_db(threshold_dbfs, DB_WITH_SIGN)));
929 void MainWindow::compressor_threshold_knob_changed(unsigned bus_index, int value)
931 float threshold_dbfs = value * 0.1f;
932 global_audio_mixer->set_compressor_threshold_dbfs(bus_index, threshold_dbfs);
934 QString label(QString::fromStdString(format_db(threshold_dbfs, DB_WITH_SIGN)));
935 if (bus_index == 0) {
936 ui->compressor_threshold_db_display->setText(label);
938 if (bus_index < audio_expanded_views.size()) {
939 audio_expanded_views[bus_index]->compressor_threshold_db_display->setText(label);
943 void MainWindow::mini_fader_changed(int bus, double volume_db)
945 QString label(QString::fromStdString(format_db(volume_db, DB_WITH_SIGN)));
946 audio_miniviews[bus]->fader_label->setText(label);
947 audio_expanded_views[bus]->fader_label->setText(label);
949 global_audio_mixer->set_fader_volume(bus, volume_db);
952 void MainWindow::mute_button_toggled(int bus, bool checked)
954 global_audio_mixer->set_mute(bus, checked);
955 midi_mapper.refresh_lights();
958 void MainWindow::reset_meters_button_clicked()
960 global_audio_mixer->reset_meters();
961 ui->peak_display->setText(QString::fromStdString(format_db(-HUGE_VAL, DB_WITH_SIGN | DB_BARE)));
962 ui->peak_display->setStyleSheet("");
965 void MainWindow::audio_level_callback(float level_lufs, float peak_db, vector<AudioMixer::BusLevel> bus_levels,
966 float global_level_lufs,
967 float range_low_lufs, float range_high_lufs,
968 float final_makeup_gain_db,
971 steady_clock::time_point now = steady_clock::now();
973 // The meters are somewhat inefficient to update. Only update them
974 // every 100 ms or so (we get updates every 5–20 ms). Note that this
975 // means that the digital peak meters are ever so slightly too low
976 // (each update won't be a faithful representation of the highest peak
977 // since the previous update, since there are frames we won't draw),
978 // but the _peak_ of the peak meters will be correct (it's tracked in
979 // AudioMixer, not here), and that's much more important.
980 double last_update_age = duration<double>(now - last_audio_level_callback).count();
981 if (last_update_age < 0.100) {
984 last_audio_level_callback = now;
986 post_to_main_thread([=]() {
987 ui->vu_meter->set_level(level_lufs);
988 for (unsigned bus_index = 0; bus_index < bus_levels.size(); ++bus_index) {
989 if (bus_index < audio_miniviews.size()) {
990 const AudioMixer::BusLevel &level = bus_levels[bus_index];
991 Ui::AudioMiniView *miniview = audio_miniviews[bus_index];
992 miniview->peak_meter->set_level(
993 level.current_level_dbfs[0], level.current_level_dbfs[1]);
994 miniview->peak_meter->set_peak(
995 level.peak_level_dbfs[0], level.peak_level_dbfs[1]);
996 set_peak_label(miniview->peak_display_label, level.historic_peak_dbfs);
998 Ui::AudioExpandedView *view = audio_expanded_views[bus_index];
999 view->peak_meter->set_level(
1000 level.current_level_dbfs[0], level.current_level_dbfs[1]);
1001 view->peak_meter->set_peak(
1002 level.peak_level_dbfs[0], level.peak_level_dbfs[1]);
1003 view->reduction_meter->set_reduction_db(level.compressor_attenuation_db);
1004 view->gainstaging_knob->blockSignals(true);
1005 view->gainstaging_knob->setValue(lrintf(level.gain_staging_db * 10.0f));
1006 view->gainstaging_knob->blockSignals(false);
1007 view->gainstaging_db_display->setText(
1009 QString::fromStdString(format_db(level.gain_staging_db, DB_WITH_SIGN)));
1010 set_peak_label(view->peak_display_label, level.historic_peak_dbfs);
1012 midi_mapper.set_has_peaked(bus_index, level.historic_peak_dbfs >= -0.1f);
1015 ui->lra_meter->set_levels(global_level_lufs, range_low_lufs, range_high_lufs);
1016 ui->correlation_meter->set_correlation(correlation);
1018 ui->peak_display->setText(QString::fromStdString(format_db(peak_db, DB_BARE)));
1019 set_peak_label(ui->peak_display, peak_db);
1021 // NOTE: Will be invisible when using multitrack audio.
1022 if (!bus_levels.empty()) {
1023 ui->gainstaging_knob->blockSignals(true);
1024 ui->gainstaging_knob->setValue(lrintf(bus_levels[0].gain_staging_db * 10.0f));
1025 ui->gainstaging_knob->blockSignals(false);
1026 ui->gainstaging_db_display->setText(
1027 QString::fromStdString(format_db(bus_levels[0].gain_staging_db, DB_WITH_SIGN)));
1030 ui->makeup_gain_knob->blockSignals(true);
1031 ui->makeup_gain_knob->setValue(lrintf(final_makeup_gain_db * 10.0f));
1032 ui->makeup_gain_knob->blockSignals(false);
1033 ui->makeup_gain_db_display->setText(
1034 QString::fromStdString(format_db(final_makeup_gain_db, DB_WITH_SIGN)));
1035 ui->makeup_gain_db_display_2->setText(
1036 QString::fromStdString(format_db(final_makeup_gain_db, DB_WITH_SIGN)));
1038 // Peak labels could have changed.
1039 midi_mapper.refresh_lights();
1043 void MainWindow::relayout()
1045 int height = ui->vertical_layout->geometry().height();
1047 // Seemingly this can happen and must be ignored.
1051 double remaining_height = height;
1053 // Allocate the height; the most important part is to keep the main displays
1054 // at the right aspect if at all possible.
1055 double me_width = ui->me_preview->width();
1056 double me_height = me_width * double(global_flags.height) / double(global_flags.width) + ui->label_preview->height() + ui->preview_vertical_layout->spacing();
1058 // TODO: Scale the widths when we need to do this.
1059 if (me_height / double(height) > 0.8) {
1060 me_height = height * 0.8;
1062 remaining_height -= me_height + ui->vertical_layout->spacing();
1064 // Space between the M/E displays and the audio strip.
1065 remaining_height -= ui->vertical_layout->spacing();
1067 // The label above the audio strip.
1068 double compact_label_height = ui->compact_label->minimumHeight() +
1069 ui->compact_audio_layout->spacing();
1070 remaining_height -= compact_label_height;
1072 // The previews will be constrained by the remaining height, and the width.
1073 double preview_label_height = previews[0]->label->minimumSize().height() +
1074 previews[0]->main_vertical_layout->spacing();
1075 int preview_total_width = ui->preview_displays->geometry().width() - (previews.size() - 1) * ui->preview_displays->spacing();
1076 double preview_height = min(remaining_height - preview_label_height, (preview_total_width / double(previews.size())) * double(global_flags.height) / double(global_flags.width));
1077 remaining_height -= preview_height + preview_label_height + ui->vertical_layout->spacing();
1079 ui->vertical_layout->setStretch(0, lrintf(me_height));
1080 ui->vertical_layout->setStretch(1,
1081 lrintf(compact_label_height) +
1082 lrintf(remaining_height) +
1083 lrintf(preview_height + preview_label_height)); // Audio strip and previews together.
1085 ui->compact_audio_layout->setStretch(0, lrintf(compact_label_height));
1086 ui->compact_audio_layout->setStretch(1, lrintf(remaining_height)); // Audio strip.
1087 ui->compact_audio_layout->setStretch(2, lrintf(preview_height + preview_label_height));
1089 if (current_audio_view == 0) { // Compact audio view.
1090 // Set the widths for the previews.
1091 double preview_width = preview_height * double(global_flags.width) / double(global_flags.height);
1092 for (unsigned i = 0; i < previews.size(); ++i) {
1093 ui->preview_displays->setStretch(i, lrintf(preview_width));
1096 // The preview horizontal spacer.
1097 double remaining_preview_width = preview_total_width - previews.size() * preview_width;
1098 ui->preview_displays->setStretch(previews.size(), lrintf(remaining_preview_width));
1099 } else if (current_audio_view == 2) { // Video grid view.
1100 // QGridLayout doesn't do it for us, since we need to be able to remove rows
1101 // or columns as the grid changes, and it won't do that. Thus, position everything
1103 constexpr int spacing = 6;
1104 int grid_width = ui->preview_displays_grid->geometry().width();
1105 int grid_height = ui->preview_displays_grid->geometry().height();
1106 int best_preview_width = 0;
1107 unsigned best_num_rows = 1, best_num_cols = 1;
1108 for (unsigned num_rows = 1; num_rows <= previews.size(); ++num_rows) {
1109 int num_cols = (previews.size() + num_rows - 1) / num_rows;
1111 int max_preview_height = (grid_height - spacing * (num_rows - 1)) / num_rows - preview_label_height;
1112 int max_preview_width = (grid_width - spacing * (num_cols - 1)) / num_cols;
1113 int preview_width = std::min<int>(max_preview_width, max_preview_height * double(global_flags.width) / double(global_flags.height));
1115 if (preview_width > best_preview_width) {
1116 best_preview_width = preview_width;
1117 best_num_rows = num_rows;
1118 best_num_cols = num_cols;
1122 double cell_height = lrintf(best_preview_width * double(global_flags.height) / double(global_flags.width)) + preview_label_height;
1123 remaining_height = grid_height - best_num_rows * cell_height - (best_num_rows - 1) * spacing;
1124 int cell_width = best_preview_width;
1125 int remaining_width = grid_width - best_num_cols * cell_width - (best_num_cols - 1) * spacing;
1127 for (unsigned i = 0; i < previews.size(); ++i) {
1128 int col_idx = i % best_num_cols;
1129 int row_idx = i / best_num_cols;
1131 double top = remaining_height * 0.5f + row_idx * (cell_height + spacing);
1132 double bottom = top + cell_height;
1133 double left = remaining_width * 0.5f + col_idx * (cell_width + spacing);
1134 double right = left + cell_width;
1137 rect.setTop(lrintf(top));
1138 rect.setBottom(lrintf(bottom));
1139 rect.setLeft(lrintf(left));
1140 rect.setRight(lrintf(right));
1142 QWidget *display = static_cast<QWidget *>(previews[i]->frame->parent());
1143 display->setGeometry(rect);
1149 void MainWindow::set_locut(float value)
1151 set_relative_value(ui->locut_cutoff_knob, value);
1154 void MainWindow::set_limiter_threshold(float value)
1156 set_relative_value(ui->limiter_threshold_knob, value);
1159 void MainWindow::set_makeup_gain(float value)
1161 set_relative_value(ui->makeup_gain_knob, value);
1164 void MainWindow::set_stereo_width(unsigned bus_idx, float value)
1166 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::stereo_width_knob, value);
1169 void MainWindow::set_treble(unsigned bus_idx, float value)
1171 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::treble_knob, value);
1174 void MainWindow::set_mid(unsigned bus_idx, float value)
1176 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::mid_knob, value);
1179 void MainWindow::set_bass(unsigned bus_idx, float value)
1181 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::bass_knob, value);
1184 void MainWindow::set_gain(unsigned bus_idx, float value)
1186 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_knob, value);
1189 void MainWindow::set_compressor_threshold(unsigned bus_idx, float value)
1191 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_threshold_knob, value);
1194 void MainWindow::set_fader(unsigned bus_idx, float value)
1196 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::fader, value);
1199 void MainWindow::toggle_mute(unsigned bus_idx)
1201 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::mute_button);
1204 void MainWindow::toggle_locut(unsigned bus_idx)
1206 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::locut_enabled);
1209 void MainWindow::toggle_auto_gain_staging(unsigned bus_idx)
1211 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_auto_checkbox);
1214 void MainWindow::toggle_compressor(unsigned bus_idx)
1216 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_enabled);
1219 void MainWindow::clear_peak(unsigned bus_idx)
1221 post_to_main_thread([=]{
1222 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
1223 global_audio_mixer->reset_peak(bus_idx);
1224 midi_mapper.set_has_peaked(bus_idx, false);
1225 midi_mapper.refresh_lights();
1230 void MainWindow::clear_all_highlights()
1232 post_to_main_thread([this]{
1233 highlight_locut(false);
1234 highlight_limiter_threshold(false);
1235 highlight_makeup_gain(false);
1236 highlight_toggle_limiter(false);
1237 highlight_toggle_auto_makeup_gain(false);
1238 for (unsigned bus_idx = 0; bus_idx < audio_expanded_views.size(); ++bus_idx) {
1239 highlight_treble(bus_idx, false);
1240 highlight_mid(bus_idx, false);
1241 highlight_bass(bus_idx, false);
1242 highlight_gain(bus_idx, false);
1243 highlight_compressor_threshold(bus_idx, false);
1244 highlight_fader(bus_idx, false);
1245 highlight_mute(bus_idx, false);
1246 highlight_toggle_locut(bus_idx, false);
1247 highlight_toggle_auto_gain_staging(bus_idx, false);
1248 highlight_toggle_compressor(bus_idx, false);
1253 void MainWindow::toggle_limiter()
1255 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
1256 ui->limiter_enabled->click();
1260 void MainWindow::toggle_auto_makeup_gain()
1262 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
1263 ui->makeup_gain_auto_checkbox->click();
1267 void MainWindow::switch_video_channel(int channel_number)
1269 global_mixer->channel_clicked(channel_number);
1272 void MainWindow::apply_transition(int transition_number)
1274 global_mixer->transition_clicked(transition_number);
1277 void MainWindow::prev_audio_view()
1279 post_to_main_thread([this]{
1284 void MainWindow::next_audio_view()
1286 post_to_main_thread([this]{
1291 void MainWindow::begin_new_segment()
1293 global_mixer->schedule_cut();
1296 void MainWindow::exit()
1298 post_to_main_thread([this]{
1303 void MainWindow::highlight_locut(bool highlight)
1305 post_to_main_thread([this, highlight]{
1306 highlight_control(ui->locut_cutoff_knob, highlight);
1307 highlight_control(ui->locut_cutoff_knob_2, highlight);
1311 void MainWindow::highlight_limiter_threshold(bool highlight)
1313 post_to_main_thread([this, highlight]{
1314 highlight_control(ui->limiter_threshold_knob, highlight);
1315 highlight_control(ui->limiter_threshold_knob_2, highlight);
1319 void MainWindow::highlight_makeup_gain(bool highlight)
1321 post_to_main_thread([this, highlight]{
1322 highlight_control(ui->makeup_gain_knob, highlight);
1323 highlight_control(ui->makeup_gain_knob_2, highlight);
1327 void MainWindow::highlight_stereo_width(unsigned bus_idx, bool highlight)
1329 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::stereo_width_knob, highlight);
1332 void MainWindow::highlight_treble(unsigned bus_idx, bool highlight)
1334 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::treble_knob, highlight);
1337 void MainWindow::highlight_mid(unsigned bus_idx, bool highlight)
1339 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::mid_knob, highlight);
1342 void MainWindow::highlight_bass(unsigned bus_idx, bool highlight)
1344 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::bass_knob, highlight);
1347 void MainWindow::highlight_gain(unsigned bus_idx, bool highlight)
1349 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_knob, highlight);
1352 void MainWindow::highlight_compressor_threshold(unsigned bus_idx, bool highlight)
1354 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_threshold_knob, highlight);
1357 void MainWindow::highlight_fader(unsigned bus_idx, bool highlight)
1359 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::fader, highlight);
1362 void MainWindow::highlight_mute(unsigned bus_idx, bool highlight)
1364 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::mute_button, highlight, /*is_mute_btton=*/true);
1367 void MainWindow::highlight_toggle_locut(unsigned bus_idx, bool highlight)
1369 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::locut_enabled, highlight);
1372 void MainWindow::highlight_toggle_auto_gain_staging(unsigned bus_idx, bool highlight)
1374 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_auto_checkbox, highlight);
1377 void MainWindow::highlight_toggle_compressor(unsigned bus_idx, bool highlight)
1379 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_enabled, highlight);
1382 void MainWindow::highlight_toggle_limiter(bool highlight)
1384 post_to_main_thread([this, highlight]{
1385 highlight_control(ui->limiter_enabled, highlight);
1386 highlight_control(ui->limiter_enabled_2, highlight);
1390 void MainWindow::highlight_toggle_auto_makeup_gain(bool highlight)
1392 post_to_main_thread([this, highlight]{
1393 highlight_control(ui->makeup_gain_auto_checkbox, highlight);
1394 highlight_control(ui->makeup_gain_auto_checkbox_2, highlight);
1399 void MainWindow::set_relative_value(T *control, float value)
1401 post_to_main_thread([control, value]{
1402 control->setValue(lrintf(control->minimum() + value * (control->maximum() - control->minimum())));
1407 void MainWindow::set_relative_value_if_exists(unsigned bus_idx, T *(Ui_AudioExpandedView::*control), float value)
1409 if (global_audio_mixer != nullptr &&
1410 global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL &&
1411 bus_idx < audio_expanded_views.size()) {
1412 set_relative_value(audio_expanded_views[bus_idx]->*control, value);
1417 void MainWindow::click_button_if_exists(unsigned bus_idx, T *(Ui_AudioExpandedView::*control))
1419 post_to_main_thread([this, bus_idx, control]{
1420 if (global_audio_mixer != nullptr &&
1421 global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL &&
1422 bus_idx < audio_expanded_views.size()) {
1423 (audio_expanded_views[bus_idx]->*control)->click();
1429 void MainWindow::highlight_control(T *control, bool highlight)
1431 if (control == nullptr) {
1434 if (global_audio_mixer == nullptr ||
1435 global_audio_mixer->get_mapping_mode() != AudioMixer::MappingMode::MULTICHANNEL) {
1439 control->setStyleSheet("background: rgb(0,255,0,80)");
1441 control->setStyleSheet("");
1446 void MainWindow::highlight_mute_control(T *control, bool highlight)
1448 if (control == nullptr) {
1451 if (global_audio_mixer == nullptr ||
1452 global_audio_mixer->get_mapping_mode() != AudioMixer::MappingMode::MULTICHANNEL) {
1456 control->setStyleSheet("QPushButton { background: rgb(0,255,0,80); } QPushButton:checked { background: rgba(255,80,0,140); }");
1458 control->setStyleSheet("QPushButton:checked { background: rgba(255,0,0,80); }");
1463 void MainWindow::highlight_control_if_exists(unsigned bus_idx, T *(Ui_AudioExpandedView::*control), bool highlight, bool is_mute_button)
1465 post_to_main_thread([this, bus_idx, control, highlight, is_mute_button]{
1466 if (bus_idx < audio_expanded_views.size()) {
1467 if (is_mute_button) {
1468 highlight_mute_control(audio_expanded_views[bus_idx]->*control, highlight);
1470 highlight_control(audio_expanded_views[bus_idx]->*control, highlight);
1476 void MainWindow::set_transition_names(vector<string> transition_names)
1478 if (transition_names.size() < 1 || transition_names[0].empty()) {
1479 transition_btn1->setText(QString(""));
1481 transition_btn1->setText(QString::fromStdString(transition_names[0] + " (J)"));
1482 ui->transition_btn1->setShortcut(QKeySequence("J"));
1484 if (transition_names.size() < 2 || transition_names[1].empty()) {
1485 transition_btn2->setText(QString(""));
1487 transition_btn2->setText(QString::fromStdString(transition_names[1] + " (K)"));
1488 ui->transition_btn2->setShortcut(QKeySequence("K"));
1490 if (transition_names.size() < 3 || transition_names[2].empty()) {
1491 transition_btn3->setText(QString(""));
1493 transition_btn3->setText(QString::fromStdString(transition_names[2] + " (L)"));
1494 ui->transition_btn3->setShortcut(QKeySequence("L"));
1498 void MainWindow::update_channel_name(Mixer::Output output, const string &name)
1500 if (output >= Mixer::OUTPUT_INPUT0) {
1501 unsigned channel = output - Mixer::OUTPUT_INPUT0;
1502 previews[channel]->label->setText(name.c_str());
1505 analyzer->update_channel_name(output, name);
1508 void MainWindow::update_channel_color(Mixer::Output output, const string &color)
1510 if (output >= Mixer::OUTPUT_INPUT0) {
1511 unsigned channel = output - Mixer::OUTPUT_INPUT0;
1512 previews[channel]->frame->setStyleSheet(QString::fromStdString("background-color:" + color));
1516 void MainWindow::transition_clicked(int transition_number)
1518 global_mixer->transition_clicked(transition_number);
1521 void MainWindow::channel_clicked(int channel_number)
1523 if (current_wb_pick_display == channel_number) {
1524 // The picking was already done from eventFilter(), since we don't get
1525 // the mouse pointer here.
1527 global_mixer->channel_clicked(channel_number);
1531 void MainWindow::quick_cut_activated(int channel_number)
1533 if (!global_flags.enable_quick_cut_keys) {
1536 global_mixer->channel_clicked(channel_number);
1537 global_mixer->transition_clicked(0);
1540 void MainWindow::wb_button_clicked(int channel_number)
1542 current_wb_pick_display = channel_number;
1543 QApplication::setOverrideCursor(Qt::CrossCursor);
1546 void MainWindow::audio_view_changed(int audio_view)
1548 if (audio_view == current_audio_view) {
1552 if (audio_view == 0) {
1553 // Compact audio view. (1, full audio view, has no video previews.)
1554 for (unsigned i = 0; i < previews.size(); ++i) {
1555 QWidget *display = static_cast<QWidget *>(previews[i]->frame->parent());
1556 ui->preview_displays->insertWidget(i, display, 1);
1558 } else if (audio_view == 2) {
1559 // Video grid display.
1560 for (unsigned i = 0; i < previews.size(); ++i) {
1561 QWidget *display = static_cast<QWidget *>(previews[i]->frame->parent());
1562 display->setParent(ui->preview_displays_grid);
1567 current_audio_view = audio_view;
1569 // Ask for a relayout, but only after the event loop is done doing relayout
1570 // on everything else.
1571 QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
1574 bool MainWindow::eventFilter(QObject *watched, QEvent *event)
1576 if (current_wb_pick_display != -1 &&
1577 event->type() == QEvent::MouseButtonRelease &&
1578 watched->isWidgetType()) {
1579 QApplication::restoreOverrideCursor();
1580 if (watched == previews[current_wb_pick_display]->display) {
1581 const QMouseEvent *mouse_event = (QMouseEvent *)event;
1582 previews[current_wb_pick_display]->display->grab_white_balance(
1583 current_wb_pick_display,
1584 mouse_event->x(), mouse_event->y());
1586 // The user clicked on something else, give up.
1587 // (The click goes through, which might not be ideal, but, yes.)
1588 current_wb_pick_display = -1;
1594 void MainWindow::closeEvent(QCloseEvent *event)
1596 if (global_mixer->get_num_connected_clients() > 0) {
1597 QMessageBox::StandardButton reply =
1598 QMessageBox::question(this, "Nageru", "There are clients connected. Do you really want to quit?",
1599 QMessageBox::Yes | QMessageBox::No);
1600 if (reply != QMessageBox::Yes) {
1607 global_mixer->quit();
1608 mixer_shutting_down();
1612 void MainWindow::audio_state_changed()
1614 post_to_main_thread([this]{
1615 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
1618 InputMapping mapping = global_audio_mixer->get_input_mapping();
1619 for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) {
1620 string label = get_bus_desc_label(mapping.buses[bus_index]);
1621 audio_miniviews[bus_index]->bus_desc_label->setFullText(
1622 QString::fromStdString(label));
1623 audio_expanded_views[bus_index]->bus_desc_label->setFullText(
1624 QString::fromStdString(label));