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->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 connect(ui->me_live, &GLWidget::name_updated, this, &MainWindow::update_channel_name);
256 connect(ui->me_preview, &GLWidget::name_updated, this, &MainWindow::update_channel_name);
258 // Hook up the prev/next buttons on the audio views.
259 connect(ui->compact_prev_page, &QAbstractButton::clicked, this, &MainWindow::prev_page);
260 connect(ui->compact_next_page, &QAbstractButton::clicked, this, &MainWindow::next_page);
261 connect(ui->full_prev_page, &QAbstractButton::clicked, this, &MainWindow::prev_page);
262 connect(ui->full_next_page, &QAbstractButton::clicked, this, &MainWindow::next_page);
263 connect(ui->video_grid_prev_page, &QAbstractButton::clicked, this, &MainWindow::prev_page);
264 connect(ui->video_grid_next_page, &QAbstractButton::clicked, this, &MainWindow::next_page);
266 // And bind the same to PgUp/PgDown.
267 connect(new QShortcut(QKeySequence::MoveToNextPage, this), &QShortcut::activated, this, &MainWindow::next_page);
268 connect(new QShortcut(QKeySequence::MoveToPreviousPage, this), &QShortcut::activated, this, &MainWindow::prev_page);
270 // When the audio view changes, move the previews.
271 connect(ui->audio_views, &QStackedWidget::currentChanged, bind(&MainWindow::audio_view_changed, this, _1));
273 if (global_flags.enable_quick_cut_keys) {
274 ui->quick_cut_enable_action->setChecked(true);
276 connect(ui->quick_cut_enable_action, &QAction::changed, [this](){
277 global_flags.enable_quick_cut_keys = ui->quick_cut_enable_action->isChecked();
280 last_audio_level_callback = steady_clock::now() - seconds(1);
282 if (!global_flags.midi_mapping_filename.empty()) {
283 MIDIMappingProto midi_mapping;
284 if (!load_midi_mapping_from_file(global_flags.midi_mapping_filename, &midi_mapping)) {
285 fprintf(stderr, "Couldn't load MIDI mapping '%s'; exiting.\n",
286 global_flags.midi_mapping_filename.c_str());
289 midi_mapper.set_midi_mapping(midi_mapping);
291 midi_mapper.refresh_highlights();
292 midi_mapper.refresh_lights();
293 if (global_flags.fullscreen) {
294 QMainWindow::showFullScreen();
298 void MainWindow::prev_page()
300 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
301 ui->audio_views->setCurrentIndex((ui->audio_views->currentIndex() + 2) % 3);
303 ui->audio_views->setCurrentIndex(2 - ui->audio_views->currentIndex()); // Switch between 0 and 2.
307 void MainWindow::next_page()
309 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
310 ui->audio_views->setCurrentIndex((ui->audio_views->currentIndex() + 1) % 3);
312 ui->audio_views->setCurrentIndex(2 - ui->audio_views->currentIndex()); // Switch between 0 and 2.
316 void MainWindow::resizeEvent(QResizeEvent* event)
318 QMainWindow::resizeEvent(event);
320 // Ask for a relayout, but only after the event loop is done doing relayout
321 // on everything else.
322 QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
325 void MainWindow::mixer_created(Mixer *mixer)
327 // Make the previews.
328 unsigned num_previews = mixer->get_num_channels();
330 const char qwerty[] = "QWERTYUIOP";
331 for (unsigned i = 0; i < num_previews; ++i) {
332 Mixer::Output output = Mixer::Output(Mixer::OUTPUT_INPUT0 + i);
334 QWidget *preview = new QWidget(this); // Will be connected to a layout immediately after the loop.
335 Ui::Display *ui_display = new Ui::Display;
336 ui_display->setupUi(preview);
337 ui_display->label->setText(mixer->get_channel_name(output).c_str());
338 ui_display->display->set_output(output);
339 previews.push_back(ui_display);
341 // Hook up the click.
342 connect(ui_display->display, &GLWidget::clicked, bind(&MainWindow::channel_clicked, this, i));
344 // Let the theme update the text whenever the resolution or color changed.
345 connect(ui_display->display, &GLWidget::name_updated, this, &MainWindow::update_channel_name);
346 connect(ui_display->display, &GLWidget::color_updated, this, &MainWindow::update_channel_color);
348 // Hook up the keyboard key.
349 QShortcut *shortcut = nullptr;
351 shortcut = new QShortcut(QKeySequence(Qt::Key_1 + i), this);
353 shortcut = new QShortcut(QKeySequence(Qt::Key_0), this);
355 if (shortcut != nullptr) {
356 connect(shortcut, &QShortcut::activated, bind(&MainWindow::channel_clicked, this, i));
359 // Hook up the quick-cut key.
360 if (i < strlen(qwerty)) {
361 QShortcut *shortcut = new QShortcut(QKeySequence(qwerty[i]), this);
362 connect(shortcut, &QShortcut::activated, bind(&MainWindow::quick_cut_activated, this, i));
365 // Hook up the white balance button (irrelevant if invisible).
366 ui_display->wb_button->setVisible(mixer->get_supports_set_wb(output));
367 connect(ui_display->wb_button, &QPushButton::clicked, bind(&MainWindow::wb_button_clicked, this, i));
370 // Connect the previews to the correct layout.
371 audio_view_changed(ui->audio_views->currentIndex());
373 global_audio_mixer->set_state_changed_callback(bind(&MainWindow::audio_state_changed, this));
375 slave_knob(ui->locut_cutoff_knob, ui->locut_cutoff_knob_2);
376 slave_knob(ui->limiter_threshold_knob, ui->limiter_threshold_knob_2);
377 slave_knob(ui->makeup_gain_knob, ui->makeup_gain_knob_2);
378 slave_checkbox(ui->makeup_gain_auto_checkbox, ui->makeup_gain_auto_checkbox_2);
379 slave_checkbox(ui->limiter_enabled, ui->limiter_enabled_2);
381 reset_audio_mapping_ui();
383 // TODO: Fetch all of the values these for completeness,
384 // not just the enable knobs implied by flags.
385 ui->limiter_enabled->setChecked(global_audio_mixer->get_limiter_enabled());
386 ui->makeup_gain_auto_checkbox->setChecked(global_audio_mixer->get_final_makeup_gain_auto());
388 // Controls used only for simple audio fetch their state from the first bus.
389 constexpr unsigned simple_bus_index = 0;
390 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
391 ui->locut_enabled->setChecked(global_audio_mixer->get_locut_enabled(simple_bus_index));
392 ui->gainstaging_knob->setValue(global_audio_mixer->get_gain_staging_db(simple_bus_index));
393 ui->gainstaging_auto_checkbox->setChecked(global_audio_mixer->get_gain_staging_auto(simple_bus_index));
394 ui->compressor_enabled->setChecked(global_audio_mixer->get_compressor_enabled(simple_bus_index));
395 ui->compressor_threshold_db_display->setText(
396 QString::fromStdString(format_db(mixer->get_audio_mixer()->get_compressor_threshold_dbfs(simple_bus_index), DB_WITH_SIGN)));
398 connect(ui->locut_enabled, &QCheckBox::stateChanged, [this](int state){
399 global_audio_mixer->set_locut_enabled(simple_bus_index, state == Qt::Checked);
400 midi_mapper.refresh_lights();
402 connect(ui->gainstaging_knob, &QAbstractSlider::valueChanged,
403 bind(&MainWindow::gain_staging_knob_changed, this, simple_bus_index, _1));
404 connect(ui->gainstaging_auto_checkbox, &QCheckBox::stateChanged, [this](int state){
405 global_audio_mixer->set_gain_staging_auto(simple_bus_index, state == Qt::Checked);
406 midi_mapper.refresh_lights();
408 connect(ui->compressor_threshold_knob, &QDial::valueChanged,
409 bind(&MainWindow::compressor_threshold_knob_changed, this, simple_bus_index, _1));
410 connect(ui->compressor_enabled, &QCheckBox::stateChanged, [this](int state){
411 global_audio_mixer->set_compressor_enabled(simple_bus_index, state == Qt::Checked);
412 midi_mapper.refresh_lights();
415 // Global mastering controls.
416 QString limiter_threshold_label(
417 QString::fromStdString(format_db(mixer->get_audio_mixer()->get_limiter_threshold_dbfs(), DB_WITH_SIGN)));
418 ui->limiter_threshold_db_display->setText(limiter_threshold_label);
419 ui->limiter_threshold_db_display_2->setText(limiter_threshold_label);
421 connect(ui->locut_cutoff_knob, &QDial::valueChanged, this, &MainWindow::cutoff_knob_changed);
422 cutoff_knob_changed(ui->locut_cutoff_knob->value());
424 connect(ui->makeup_gain_knob, &QAbstractSlider::valueChanged, this, &MainWindow::final_makeup_gain_knob_changed);
425 connect(ui->makeup_gain_auto_checkbox, &QCheckBox::stateChanged, [this](int state){
426 global_audio_mixer->set_final_makeup_gain_auto(state == Qt::Checked);
427 midi_mapper.refresh_lights();
430 connect(ui->limiter_threshold_knob, &QDial::valueChanged, this, &MainWindow::limiter_threshold_knob_changed);
431 connect(ui->limiter_enabled, &QCheckBox::stateChanged, [this](int state){
432 global_audio_mixer->set_limiter_enabled(state == Qt::Checked);
433 midi_mapper.refresh_lights();
435 connect(ui->reset_meters_button, &QPushButton::clicked, this, &MainWindow::reset_meters_button_clicked);
436 // Even though we have a reset button right next to it, the fact that
437 // the expanded audio view labels are clickable makes it natural to
438 // click this one as well.
439 connect(ui->peak_display, &ClickableLabel::clicked, this, &MainWindow::reset_meters_button_clicked);
440 mixer->get_audio_mixer()->set_audio_level_callback(bind(&MainWindow::audio_level_callback, this, _1, _2, _3, _4, _5, _6, _7, _8));
442 midi_mapper.refresh_highlights();
443 midi_mapper.refresh_lights();
444 midi_mapper.start_thread();
446 analyzer.reset(new Analyzer);
448 global_mixer->set_theme_menu_callback(bind(&MainWindow::setup_theme_menu, this));
451 struct sigaction act;
452 memset(&act, 0, sizeof(act));
453 act.sa_handler = schedule_cut_signal;
454 act.sa_flags = SA_RESTART;
455 sigaction(SIGHUP, &act, nullptr);
457 // Mostly for debugging. Don't override SIGINT, that's so evil if
458 // shutdown isn't instant.
459 memset(&act, 0, sizeof(act));
460 act.sa_handler = quit_signal;
461 act.sa_flags = SA_RESTART;
462 sigaction(SIGUSR1, &act, nullptr);
465 void MainWindow::reset_audio_mapping_ui()
467 bool simple = (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE);
469 ui->simple_audio_mode->setChecked(simple);
470 ui->multichannel_audio_mode->setChecked(!simple);
471 ui->input_mapping_action->setEnabled(!simple);
472 ui->midi_mapping_action->setEnabled(!simple);
474 ui->locut_enabled->setVisible(simple);
475 ui->gainstaging_label->setVisible(simple);
476 ui->gainstaging_knob->setVisible(simple);
477 ui->gainstaging_db_display->setVisible(simple);
478 ui->gainstaging_auto_checkbox->setVisible(simple);
479 ui->compressor_threshold_label->setVisible(simple);
480 ui->compressor_threshold_knob->setVisible(simple);
481 ui->compressor_threshold_db_display->setVisible(simple);
482 ui->compressor_enabled->setVisible(simple);
484 setup_audio_miniview();
485 setup_audio_expanded_view();
488 ui->compact_label->setText("Compact audio view (1/2) ");
489 ui->video_grid_label->setText("Video grid display (2/2) ");
490 if (ui->audio_views->currentIndex() == 1) {
491 // Full audio view is not available in simple mode.
492 ui->audio_views->setCurrentIndex(0);
495 ui->compact_label->setText("Compact audio view (1/3) ");
496 ui->full_label->setText("Full audio view (2/3) ");
497 ui->video_grid_label->setText("Video grid display (3/3) ");
500 midi_mapper.refresh_highlights();
501 midi_mapper.refresh_lights();
504 void MainWindow::setup_audio_miniview()
506 // Remove any existing channels.
507 for (QLayoutItem *item; (item = ui->faders->takeAt(0)) != nullptr; ) {
508 delete item->widget();
511 audio_miniviews.clear();
513 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
517 // Set up brand new ones from the input mapping.
518 InputMapping mapping = global_audio_mixer->get_input_mapping();
519 audio_miniviews.resize(mapping.buses.size());
520 for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) {
521 QWidget *channel = new QWidget(this);
522 Ui::AudioMiniView *ui_audio_miniview = new Ui::AudioMiniView;
523 ui_audio_miniview->setupUi(channel);
524 ui_audio_miniview->bus_desc_label->setFullText(
525 QString::fromStdString(get_bus_desc_label(mapping.buses[bus_index])));
526 audio_miniviews[bus_index] = ui_audio_miniview;
528 // Set up the peak meter.
529 VUMeter *peak_meter = ui_audio_miniview->peak_meter;
530 peak_meter->set_min_level(-30.0f);
531 peak_meter->set_max_level(0.0f);
532 peak_meter->set_ref_level(0.0f);
534 ui_audio_miniview->fader->setDbValue(global_audio_mixer->get_fader_volume(bus_index));
536 ui->faders->addWidget(channel);
538 connect(ui_audio_miniview->fader, &NonLinearFader::dbValueChanged,
539 bind(&MainWindow::mini_fader_changed, this, bus_index, _1));
540 connect(ui_audio_miniview->peak_display_label, &ClickableLabel::clicked,
542 global_audio_mixer->reset_peak(bus_index);
547 void MainWindow::setup_audio_expanded_view()
549 // Remove any existing channels.
550 for (QLayoutItem *item; (item = ui->buses->takeAt(0)) != nullptr; ) {
551 delete item->widget();
554 audio_expanded_views.clear();
556 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
560 // Set up brand new ones from the input mapping.
561 InputMapping mapping = global_audio_mixer->get_input_mapping();
562 audio_expanded_views.resize(mapping.buses.size());
563 for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) {
564 QWidget *channel = new QWidget(this);
565 Ui::AudioExpandedView *ui_audio_expanded_view = new Ui::AudioExpandedView;
566 ui_audio_expanded_view->setupUi(channel);
567 ui_audio_expanded_view->bus_desc_label->setFullText(
568 QString::fromStdString(get_bus_desc_label(mapping.buses[bus_index])));
569 audio_expanded_views[bus_index] = ui_audio_expanded_view;
570 update_stereo_knob_and_label(bus_index, lrintf(100.0f * global_audio_mixer->get_stereo_width(bus_index)));
571 update_eq_label(bus_index, EQ_BAND_TREBLE, global_audio_mixer->get_eq(bus_index, EQ_BAND_TREBLE));
572 update_eq_label(bus_index, EQ_BAND_MID, global_audio_mixer->get_eq(bus_index, EQ_BAND_MID));
573 update_eq_label(bus_index, EQ_BAND_BASS, global_audio_mixer->get_eq(bus_index, EQ_BAND_BASS));
574 ui_audio_expanded_view->fader->setDbValue(global_audio_mixer->get_fader_volume(bus_index));
575 ui_audio_expanded_view->mute_button->setChecked(global_audio_mixer->get_mute(bus_index));
576 connect(ui_audio_expanded_view->mute_button, &QPushButton::toggled,
577 bind(&MainWindow::mute_button_toggled, this, bus_index, _1));
578 ui->buses->addWidget(channel);
580 ui_audio_expanded_view->locut_enabled->setChecked(global_audio_mixer->get_locut_enabled(bus_index));
581 connect(ui_audio_expanded_view->locut_enabled, &QCheckBox::stateChanged, [this, bus_index](int state){
582 global_audio_mixer->set_locut_enabled(bus_index, state == Qt::Checked);
583 midi_mapper.refresh_lights();
586 connect(ui_audio_expanded_view->stereo_width_knob, &QDial::valueChanged,
587 bind(&MainWindow::stereo_width_knob_changed, this, bus_index, _1));
589 connect(ui_audio_expanded_view->treble_knob, &QDial::valueChanged,
590 bind(&MainWindow::eq_knob_changed, this, bus_index, EQ_BAND_TREBLE, _1));
591 connect(ui_audio_expanded_view->mid_knob, &QDial::valueChanged,
592 bind(&MainWindow::eq_knob_changed, this, bus_index, EQ_BAND_MID, _1));
593 connect(ui_audio_expanded_view->bass_knob, &QDial::valueChanged,
594 bind(&MainWindow::eq_knob_changed, this, bus_index, EQ_BAND_BASS, _1));
596 ui_audio_expanded_view->gainstaging_knob->setValue(global_audio_mixer->get_gain_staging_db(bus_index));
597 ui_audio_expanded_view->gainstaging_auto_checkbox->setChecked(global_audio_mixer->get_gain_staging_auto(bus_index));
598 ui_audio_expanded_view->compressor_enabled->setChecked(global_audio_mixer->get_compressor_enabled(bus_index));
600 connect(ui_audio_expanded_view->gainstaging_knob, &QAbstractSlider::valueChanged, bind(&MainWindow::gain_staging_knob_changed, this, bus_index, _1));
601 connect(ui_audio_expanded_view->gainstaging_auto_checkbox, &QCheckBox::stateChanged, [this, bus_index](int state){
602 global_audio_mixer->set_gain_staging_auto(bus_index, state == Qt::Checked);
603 midi_mapper.refresh_lights();
606 connect(ui_audio_expanded_view->compressor_threshold_knob, &QDial::valueChanged, bind(&MainWindow::compressor_threshold_knob_changed, this, bus_index, _1));
607 connect(ui_audio_expanded_view->compressor_enabled, &QCheckBox::stateChanged, [this, bus_index](int state){
608 global_audio_mixer->set_compressor_enabled(bus_index, state == Qt::Checked);
609 midi_mapper.refresh_lights();
612 slave_fader(audio_miniviews[bus_index]->fader, ui_audio_expanded_view->fader);
614 // Set up the peak meter.
615 VUMeter *peak_meter = ui_audio_expanded_view->peak_meter;
616 peak_meter->set_min_level(-30.0f);
617 peak_meter->set_max_level(0.0f);
618 peak_meter->set_ref_level(0.0f);
620 connect(ui_audio_expanded_view->peak_display_label, &ClickableLabel::clicked,
621 [this, bus_index]() {
622 global_audio_mixer->reset_peak(bus_index);
623 midi_mapper.refresh_lights();
627 update_cutoff_labels(global_audio_mixer->get_locut_cutoff());
630 void MainWindow::mixer_shutting_down()
632 ui->me_live->shutdown();
633 ui->me_preview->shutdown();
635 for (Ui::Display *display : previews) {
636 display->display->shutdown();
639 analyzer->mixer_shutting_down();
642 void MainWindow::cut_triggered()
644 global_mixer->schedule_cut();
647 void MainWindow::x264_bitrate_triggered()
650 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);
651 if (ok && new_bitrate >= 100 && new_bitrate <= 100000) {
652 global_flags.x264_bitrate = new_bitrate;
653 global_mixer->change_x264_bitrate(new_bitrate);
657 void MainWindow::exit_triggered()
662 void MainWindow::manual_triggered()
664 if (!QDesktopServices::openUrl(QUrl("https://nageru.sesse.net/doc/"))) {
666 msgbox.setText("Could not launch manual in web browser.\nPlease see https://nageru.sesse.net/doc/ manually.");
671 void MainWindow::about_triggered()
673 AboutDialog("Nageru", "Realtime video mixer").exec();
676 void MainWindow::open_analyzer_triggered()
681 void MainWindow::simple_audio_mode_triggered()
683 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
686 unsigned card_index = global_audio_mixer->get_simple_input();
687 if (card_index == numeric_limits<unsigned>::max()) {
688 QMessageBox::StandardButton reply =
689 QMessageBox::question(this,
690 "Mapping too complex",
691 "The current audio mapping is too complicated to be representable in simple mode, "
692 "and will be discarded if you proceed. Really go to simple audio mode?",
693 QMessageBox::Yes | QMessageBox::No);
694 if (reply == QMessageBox::No) {
695 ui->simple_audio_mode->setChecked(false);
696 ui->multichannel_audio_mode->setChecked(true);
701 global_audio_mixer->set_simple_input(/*card_index=*/card_index);
702 reset_audio_mapping_ui();
705 void MainWindow::multichannel_audio_mode_triggered()
707 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
711 // Take the generated input mapping from the simple input,
712 // and set it as a normal multichannel mapping, which causes
713 // the mode to go to multichannel.
714 global_audio_mixer->set_input_mapping(global_audio_mixer->get_input_mapping());
715 reset_audio_mapping_ui();
718 void MainWindow::input_mapping_triggered()
720 if (InputMappingDialog().exec() == QDialog::Accepted) {
721 setup_audio_miniview();
722 setup_audio_expanded_view();
724 midi_mapper.refresh_highlights();
725 midi_mapper.refresh_lights();
728 void MainWindow::midi_mapping_triggered()
730 MIDIMappingDialog(&midi_mapper).exec();
733 void MainWindow::timecode_stream_triggered()
735 global_mixer->set_display_timecode_in_stream(ui->timecode_stream_action->isChecked());
738 void MainWindow::timecode_stdout_triggered()
740 global_mixer->set_display_timecode_on_stdout(ui->timecode_stdout_action->isChecked());
743 void MainWindow::gain_staging_knob_changed(unsigned bus_index, int value)
745 if (bus_index == 0) {
746 ui->gainstaging_auto_checkbox->setCheckState(Qt::Unchecked);
748 if (bus_index < audio_expanded_views.size()) {
749 audio_expanded_views[bus_index]->gainstaging_auto_checkbox->setCheckState(Qt::Unchecked);
752 float gain_db = value * 0.1f;
753 global_audio_mixer->set_gain_staging_db(bus_index, gain_db);
755 // The label will be updated by the audio level callback.
758 void MainWindow::final_makeup_gain_knob_changed(int value)
760 ui->makeup_gain_auto_checkbox->setCheckState(Qt::Unchecked);
762 float gain_db = value * 0.1f;
763 global_audio_mixer->set_final_makeup_gain_db(gain_db);
765 // The label will be updated by the audio level callback.
768 void MainWindow::cutoff_knob_changed(int value)
770 float octaves = value * 0.1f;
771 float cutoff_hz = 20.0 * pow(2.0, octaves);
772 global_audio_mixer->set_locut_cutoff(cutoff_hz);
773 update_cutoff_labels(cutoff_hz);
776 void MainWindow::update_cutoff_labels(float cutoff_hz)
779 snprintf(buf, sizeof(buf), "%ld Hz", lrintf(cutoff_hz));
780 ui->locut_cutoff_display->setText(buf);
781 ui->locut_cutoff_display_2->setText(buf);
783 for (unsigned bus_index = 0; bus_index < audio_expanded_views.size(); ++bus_index) {
784 audio_expanded_views[bus_index]->locut_enabled->setText(
785 QString("Lo-cut: ") + buf);
789 void MainWindow::report_disk_space(off_t free_bytes, double estimated_seconds_left, double file_length_seconds)
792 if (estimated_seconds_left < 60.0) {
793 strcpy(time_str, "<font color=\"red\">Less than a minute</font>");
794 } else if (estimated_seconds_left < 1800.0) { // Less than half an hour: Xm Ys (red).
795 int s = lrintf(estimated_seconds_left);
798 snprintf(time_str, sizeof(time_str), "<font color=\"red\">%dm %ds</font>", m, s);
799 } else if (estimated_seconds_left < 3600.0) { // Less than an hour: Xm.
800 int m = lrintf(estimated_seconds_left / 60.0);
801 snprintf(time_str, sizeof(time_str), "%dm", m);
802 } else if (estimated_seconds_left < 36000.0) { // Less than ten hours: Xh Ym.
803 int m = lrintf(estimated_seconds_left / 60.0);
806 snprintf(time_str, sizeof(time_str), "%dh %dm", h, m);
807 } else { // More than ten hours: Xh.
808 int h = lrintf(estimated_seconds_left / 3600.0);
809 snprintf(time_str, sizeof(time_str), "%dh", h);
812 snprintf(buf, sizeof(buf), "Disk free: %'.0f MB (approx. %s)", free_bytes / 1048576.0, time_str);
814 // NOTE: The default formatter does not use file_length_seconds for anything,
815 // but the theme might want to do so.
816 std::string label = global_mixer->format_status_line(buf, file_length_seconds);
818 post_to_main_thread([this, label]{
819 disk_free_label->setText(QString::fromStdString(label));
820 ui->menuBar->setCornerWidget(disk_free_label); // Need to set this again for the sizing to get right.
824 void MainWindow::stereo_width_knob_changed(unsigned bus_index, int value)
826 float stereo_width = value * 0.01f;
827 global_audio_mixer->set_stereo_width(bus_index, stereo_width);
829 update_stereo_label(bus_index, value);
832 void MainWindow::eq_knob_changed(unsigned bus_index, EQBand band, int value)
834 float gain_db = value * 0.1f;
835 global_audio_mixer->set_eq(bus_index, band, gain_db);
837 update_eq_label(bus_index, band, gain_db);
840 void MainWindow::update_stereo_knob_and_label(unsigned bus_index, int stereo_width_percent)
842 Ui::AudioExpandedView *view = audio_expanded_views[bus_index];
844 if (global_audio_mixer->is_mono(bus_index)) {
845 view->stereo_width_knob->setEnabled(false);
846 view->stereo_width_label->setEnabled(false);
848 view->stereo_width_knob->setEnabled(true);
849 view->stereo_width_label->setEnabled(true);
851 view->stereo_width_knob->setValue(stereo_width_percent);
852 update_stereo_label(bus_index, stereo_width_percent);
855 void MainWindow::update_stereo_label(unsigned bus_index, int stereo_width_percent)
857 Ui::AudioExpandedView *view = audio_expanded_views[bus_index];
859 if (global_audio_mixer->is_mono(bus_index)) {
860 view->stereo_width_label->setText("Mono");
863 snprintf(buf, sizeof(buf), "Stereo: %d%%", stereo_width_percent);
864 view->stereo_width_label->setText(buf);
868 void MainWindow::update_eq_label(unsigned bus_index, EQBand band, float gain_db)
870 Ui::AudioExpandedView *view = audio_expanded_views[bus_index];
871 string db_string = format_db(gain_db, DB_WITH_SIGN);
874 view->treble_label->setText(QString::fromStdString("Treble: " + db_string));
877 view->mid_label->setText(QString::fromStdString("Mid: " + db_string));
880 view->bass_label->setText(QString::fromStdString("Bass: " + db_string));
887 void MainWindow::setup_theme_menu()
889 Theme::MenuEntry *root_menu = global_mixer->get_theme_menu();
891 // Remove the old menu, if any.
892 if (theme_menu != nullptr) {
893 ui->menuBar->removeAction(theme_menu->menuAction());
894 theme_menu = nullptr;
897 if (root_menu != nullptr) {
898 assert(root_menu->is_submenu);
899 if (!root_menu->submenu.empty()) {
900 theme_menu = new QMenu("&Theme");
901 fill_menu_from_theme_menu(root_menu->submenu, theme_menu);
902 ui->menuBar->insertMenu(ui->menu_Help->menuAction(), theme_menu);
907 void MainWindow::fill_menu_from_theme_menu(const vector<unique_ptr<Theme::MenuEntry>> &entries, QMenu *menu)
909 for (const unique_ptr<Theme::MenuEntry> &entry : entries) {
910 if (entry->is_submenu) {
911 QMenu *submenu = new QMenu(QString::fromStdString(entry->text));
912 fill_menu_from_theme_menu(entry->submenu, submenu);
913 menu->addMenu(submenu);
917 QAction *action = menu->addAction(QString::fromStdString(entry->text));
918 if (entry->entry.flags == Theme::MenuEntry::CHECKABLE) {
919 action->setCheckable(true);
920 } else if (entry->entry.flags == Theme::MenuEntry::CHECKED) {
921 action->setCheckable(true);
922 action->setChecked(true);
924 connect(action, &QAction::triggered, [lua_ref = entry->entry.lua_ref] {
925 global_mixer->theme_menu_entry_clicked(lua_ref);
930 void MainWindow::limiter_threshold_knob_changed(int value)
932 float threshold_dbfs = value * 0.1f;
933 global_audio_mixer->set_limiter_threshold_dbfs(threshold_dbfs);
934 ui->limiter_threshold_db_display->setText(
935 QString::fromStdString(format_db(threshold_dbfs, DB_WITH_SIGN)));
936 ui->limiter_threshold_db_display_2->setText(
937 QString::fromStdString(format_db(threshold_dbfs, DB_WITH_SIGN)));
940 void MainWindow::compressor_threshold_knob_changed(unsigned bus_index, int value)
942 float threshold_dbfs = value * 0.1f;
943 global_audio_mixer->set_compressor_threshold_dbfs(bus_index, threshold_dbfs);
945 QString label(QString::fromStdString(format_db(threshold_dbfs, DB_WITH_SIGN)));
946 if (bus_index == 0) {
947 ui->compressor_threshold_db_display->setText(label);
949 if (bus_index < audio_expanded_views.size()) {
950 audio_expanded_views[bus_index]->compressor_threshold_db_display->setText(label);
954 void MainWindow::mini_fader_changed(int bus, double volume_db)
956 QString label(QString::fromStdString(format_db(volume_db, DB_WITH_SIGN)));
957 audio_miniviews[bus]->fader_label->setText(label);
958 audio_expanded_views[bus]->fader_label->setText(label);
960 global_audio_mixer->set_fader_volume(bus, volume_db);
963 void MainWindow::mute_button_toggled(int bus, bool checked)
965 global_audio_mixer->set_mute(bus, checked);
966 midi_mapper.refresh_lights();
969 void MainWindow::reset_meters_button_clicked()
971 global_audio_mixer->reset_meters();
972 ui->peak_display->setText(QString::fromStdString(format_db(-HUGE_VAL, DB_WITH_SIGN | DB_BARE)));
973 ui->peak_display->setStyleSheet("");
976 void MainWindow::audio_level_callback(float level_lufs, float peak_db, vector<AudioMixer::BusLevel> bus_levels,
977 float global_level_lufs,
978 float range_low_lufs, float range_high_lufs,
979 float final_makeup_gain_db,
982 steady_clock::time_point now = steady_clock::now();
984 // The meters are somewhat inefficient to update. Only update them
985 // every 100 ms or so (we get updates every 5–20 ms). Note that this
986 // means that the digital peak meters are ever so slightly too low
987 // (each update won't be a faithful representation of the highest peak
988 // since the previous update, since there are frames we won't draw),
989 // but the _peak_ of the peak meters will be correct (it's tracked in
990 // AudioMixer, not here), and that's much more important.
991 double last_update_age = duration<double>(now - last_audio_level_callback).count();
992 if (last_update_age < 0.100) {
995 last_audio_level_callback = now;
997 post_to_main_thread([=]() {
998 ui->vu_meter->set_level(level_lufs);
999 for (unsigned bus_index = 0; bus_index < bus_levels.size(); ++bus_index) {
1000 if (bus_index < audio_miniviews.size()) {
1001 const AudioMixer::BusLevel &level = bus_levels[bus_index];
1002 Ui::AudioMiniView *miniview = audio_miniviews[bus_index];
1003 miniview->peak_meter->set_level(
1004 level.current_level_dbfs[0], level.current_level_dbfs[1]);
1005 miniview->peak_meter->set_peak(
1006 level.peak_level_dbfs[0], level.peak_level_dbfs[1]);
1007 set_peak_label(miniview->peak_display_label, level.historic_peak_dbfs);
1009 Ui::AudioExpandedView *view = audio_expanded_views[bus_index];
1010 view->peak_meter->set_level(
1011 level.current_level_dbfs[0], level.current_level_dbfs[1]);
1012 view->peak_meter->set_peak(
1013 level.peak_level_dbfs[0], level.peak_level_dbfs[1]);
1014 view->reduction_meter->set_reduction_db(level.compressor_attenuation_db);
1015 view->gainstaging_knob->blockSignals(true);
1016 view->gainstaging_knob->setValue(lrintf(level.gain_staging_db * 10.0f));
1017 view->gainstaging_knob->blockSignals(false);
1018 view->gainstaging_db_display->setText(
1020 QString::fromStdString(format_db(level.gain_staging_db, DB_WITH_SIGN)));
1021 set_peak_label(view->peak_display_label, level.historic_peak_dbfs);
1023 midi_mapper.set_has_peaked(bus_index, level.historic_peak_dbfs >= -0.1f);
1026 ui->lra_meter->set_levels(global_level_lufs, range_low_lufs, range_high_lufs);
1027 ui->correlation_meter->set_correlation(correlation);
1029 ui->peak_display->setText(QString::fromStdString(format_db(peak_db, DB_BARE)));
1030 set_peak_label(ui->peak_display, peak_db);
1032 // NOTE: Will be invisible when using multitrack audio.
1033 if (!bus_levels.empty()) {
1034 ui->gainstaging_knob->blockSignals(true);
1035 ui->gainstaging_knob->setValue(lrintf(bus_levels[0].gain_staging_db * 10.0f));
1036 ui->gainstaging_knob->blockSignals(false);
1037 ui->gainstaging_db_display->setText(
1038 QString::fromStdString(format_db(bus_levels[0].gain_staging_db, DB_WITH_SIGN)));
1041 ui->makeup_gain_knob->blockSignals(true);
1042 ui->makeup_gain_knob->setValue(lrintf(final_makeup_gain_db * 10.0f));
1043 ui->makeup_gain_knob->blockSignals(false);
1044 ui->makeup_gain_db_display->setText(
1045 QString::fromStdString(format_db(final_makeup_gain_db, DB_WITH_SIGN)));
1046 ui->makeup_gain_db_display_2->setText(
1047 QString::fromStdString(format_db(final_makeup_gain_db, DB_WITH_SIGN)));
1049 // Peak labels could have changed.
1050 midi_mapper.refresh_lights();
1054 void MainWindow::relayout()
1056 int height = ui->vertical_layout->geometry().height();
1058 // Seemingly this can happen and must be ignored.
1062 double remaining_height = height;
1064 // Allocate the height; the most important part is to keep the main displays
1065 // at the right aspect if at all possible.
1066 double me_width = ui->me_preview->width();
1067 double me_height = me_width * double(global_flags.height) / double(global_flags.width) + ui->label_preview->height() + ui->preview_vertical_layout->spacing();
1069 // TODO: Scale the widths when we need to do this.
1070 if (me_height / double(height) > 0.8) {
1071 me_height = height * 0.8;
1073 remaining_height -= me_height + ui->vertical_layout->spacing();
1075 // Space between the M/E displays and the audio strip.
1076 remaining_height -= ui->vertical_layout->spacing();
1078 // The label above the audio strip.
1079 double compact_label_height = ui->compact_label->minimumHeight() +
1080 ui->compact_audio_layout->spacing();
1081 remaining_height -= compact_label_height;
1083 // The previews will be constrained by the remaining height, and the width.
1084 double preview_label_height = previews[0]->label->minimumSize().height() +
1085 previews[0]->main_vertical_layout->spacing();
1086 int preview_total_width = ui->preview_displays->geometry().width() - (previews.size() - 1) * ui->preview_displays->spacing();
1087 double preview_height = min(remaining_height - preview_label_height, (preview_total_width / double(previews.size())) * double(global_flags.height) / double(global_flags.width));
1088 remaining_height -= preview_height + preview_label_height + ui->vertical_layout->spacing();
1090 ui->vertical_layout->setStretch(0, lrintf(me_height));
1091 ui->vertical_layout->setStretch(1,
1092 lrintf(compact_label_height) +
1093 lrintf(remaining_height) +
1094 lrintf(preview_height + preview_label_height)); // Audio strip and previews together.
1096 ui->compact_audio_layout->setStretch(0, lrintf(compact_label_height));
1097 ui->compact_audio_layout->setStretch(1, lrintf(remaining_height)); // Audio strip.
1098 ui->compact_audio_layout->setStretch(2, lrintf(preview_height + preview_label_height));
1100 if (current_audio_view == 0) { // Compact audio view.
1101 // Set the widths for the previews.
1102 double preview_width = preview_height * double(global_flags.width) / double(global_flags.height);
1103 for (unsigned i = 0; i < previews.size(); ++i) {
1104 ui->preview_displays->setStretch(i, lrintf(preview_width));
1107 // The preview horizontal spacer.
1108 double remaining_preview_width = preview_total_width - previews.size() * preview_width;
1109 ui->preview_displays->setStretch(previews.size(), lrintf(remaining_preview_width));
1110 } else if (current_audio_view == 2) { // Video grid view.
1111 // QGridLayout doesn't do it for us, since we need to be able to remove rows
1112 // or columns as the grid changes, and it won't do that. Thus, position everything
1114 constexpr int spacing = 6;
1115 int grid_width = ui->preview_displays_grid->geometry().width();
1116 int grid_height = ui->preview_displays_grid->geometry().height();
1117 int best_preview_width = 0;
1118 unsigned best_num_rows = 1, best_num_cols = 1;
1119 for (unsigned num_rows = 1; num_rows <= previews.size(); ++num_rows) {
1120 int num_cols = (previews.size() + num_rows - 1) / num_rows;
1122 int max_preview_height = (grid_height - spacing * (num_rows - 1)) / num_rows - preview_label_height;
1123 int max_preview_width = (grid_width - spacing * (num_cols - 1)) / num_cols;
1124 int preview_width = std::min<int>(max_preview_width, max_preview_height * double(global_flags.width) / double(global_flags.height));
1126 if (preview_width > best_preview_width) {
1127 best_preview_width = preview_width;
1128 best_num_rows = num_rows;
1129 best_num_cols = num_cols;
1133 double cell_height = lrintf(best_preview_width * double(global_flags.height) / double(global_flags.width)) + preview_label_height;
1134 remaining_height = grid_height - best_num_rows * cell_height - (best_num_rows - 1) * spacing;
1135 int cell_width = best_preview_width;
1136 int remaining_width = grid_width - best_num_cols * cell_width - (best_num_cols - 1) * spacing;
1138 for (unsigned i = 0; i < previews.size(); ++i) {
1139 int col_idx = i % best_num_cols;
1140 int row_idx = i / best_num_cols;
1142 double top = remaining_height * 0.5f + row_idx * (cell_height + spacing);
1143 double bottom = top + cell_height;
1144 double left = remaining_width * 0.5f + col_idx * (cell_width + spacing);
1145 double right = left + cell_width;
1148 rect.setTop(lrintf(top));
1149 rect.setBottom(lrintf(bottom));
1150 rect.setLeft(lrintf(left));
1151 rect.setRight(lrintf(right));
1153 QWidget *display = static_cast<QWidget *>(previews[i]->frame->parent());
1154 display->setGeometry(rect);
1160 void MainWindow::set_locut(float value)
1162 set_relative_value(ui->locut_cutoff_knob, value);
1165 void MainWindow::set_limiter_threshold(float value)
1167 set_relative_value(ui->limiter_threshold_knob, value);
1170 void MainWindow::set_makeup_gain(float value)
1172 set_relative_value(ui->makeup_gain_knob, value);
1175 void MainWindow::set_stereo_width(unsigned bus_idx, float value)
1177 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::stereo_width_knob, value);
1180 void MainWindow::set_treble(unsigned bus_idx, float value)
1182 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::treble_knob, value);
1185 void MainWindow::set_eq_absolute(unsigned bus_idx, EQBand eq_band, float value_db)
1187 if (eq_band == EQ_BAND_TREBLE) {
1188 set_db_value_if_exists(bus_idx, &Ui::AudioExpandedView::treble_knob, value_db);
1189 } else if (eq_band == EQ_BAND_MID) {
1190 set_db_value_if_exists(bus_idx, &Ui::AudioExpandedView::mid_knob, value_db);
1191 } else if (eq_band == EQ_BAND_BASS) {
1192 set_db_value_if_exists(bus_idx, &Ui::AudioExpandedView::bass_knob, value_db);
1198 void MainWindow::set_mid(unsigned bus_idx, float value)
1200 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::mid_knob, value);
1203 void MainWindow::set_bass(unsigned bus_idx, float value)
1205 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::bass_knob, value);
1208 void MainWindow::set_gain(unsigned bus_idx, float value)
1210 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_knob, value);
1213 void MainWindow::set_compressor_threshold(unsigned bus_idx, float value)
1215 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_threshold_knob, value);
1218 void MainWindow::set_fader(unsigned bus_idx, float value)
1220 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::fader, value);
1223 void MainWindow::set_fader_absolute(unsigned bus_idx, float value_db)
1225 if (global_audio_mixer != nullptr &&
1226 global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL &&
1227 bus_idx < audio_expanded_views.size()) {
1228 audio_expanded_views[bus_idx]->fader->setDbValue(value_db);
1232 void MainWindow::toggle_mute(unsigned bus_idx)
1234 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::mute_button);
1237 void MainWindow::toggle_locut(unsigned bus_idx)
1239 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::locut_enabled);
1242 void MainWindow::toggle_auto_gain_staging(unsigned bus_idx)
1244 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_auto_checkbox);
1247 void MainWindow::toggle_compressor(unsigned bus_idx)
1249 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_enabled);
1252 void MainWindow::clear_peak(unsigned bus_idx)
1254 post_to_main_thread([=]{
1255 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
1256 global_audio_mixer->reset_peak(bus_idx);
1257 midi_mapper.set_has_peaked(bus_idx, false);
1258 midi_mapper.refresh_lights();
1263 void MainWindow::clear_all_highlights()
1265 post_to_main_thread([this]{
1266 highlight_locut(false);
1267 highlight_limiter_threshold(false);
1268 highlight_makeup_gain(false);
1269 highlight_toggle_limiter(false);
1270 highlight_toggle_auto_makeup_gain(false);
1271 for (unsigned bus_idx = 0; bus_idx < audio_expanded_views.size(); ++bus_idx) {
1272 highlight_treble(bus_idx, false);
1273 highlight_mid(bus_idx, false);
1274 highlight_bass(bus_idx, false);
1275 highlight_gain(bus_idx, false);
1276 highlight_compressor_threshold(bus_idx, false);
1277 highlight_fader(bus_idx, false);
1278 highlight_mute(bus_idx, false);
1279 highlight_toggle_locut(bus_idx, false);
1280 highlight_toggle_auto_gain_staging(bus_idx, false);
1281 highlight_toggle_compressor(bus_idx, false);
1286 void MainWindow::toggle_limiter()
1288 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
1289 ui->limiter_enabled->click();
1293 void MainWindow::toggle_auto_makeup_gain()
1295 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
1296 ui->makeup_gain_auto_checkbox->click();
1300 void MainWindow::switch_video_channel(int channel_number)
1302 global_mixer->channel_clicked(channel_number);
1305 void MainWindow::apply_transition(int transition_number)
1307 global_mixer->transition_clicked(transition_number);
1310 void MainWindow::prev_audio_view()
1312 post_to_main_thread([this]{
1317 void MainWindow::next_audio_view()
1319 post_to_main_thread([this]{
1324 void MainWindow::begin_new_segment()
1326 global_mixer->schedule_cut();
1329 void MainWindow::exit()
1331 post_to_main_thread([this]{
1336 void MainWindow::highlight_locut(bool highlight)
1338 post_to_main_thread([this, highlight]{
1339 highlight_control(ui->locut_cutoff_knob, highlight);
1340 highlight_control(ui->locut_cutoff_knob_2, highlight);
1344 void MainWindow::highlight_limiter_threshold(bool highlight)
1346 post_to_main_thread([this, highlight]{
1347 highlight_control(ui->limiter_threshold_knob, highlight);
1348 highlight_control(ui->limiter_threshold_knob_2, highlight);
1352 void MainWindow::highlight_makeup_gain(bool highlight)
1354 post_to_main_thread([this, highlight]{
1355 highlight_control(ui->makeup_gain_knob, highlight);
1356 highlight_control(ui->makeup_gain_knob_2, highlight);
1360 void MainWindow::highlight_stereo_width(unsigned bus_idx, bool highlight)
1362 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::stereo_width_knob, highlight);
1365 void MainWindow::highlight_treble(unsigned bus_idx, bool highlight)
1367 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::treble_knob, highlight);
1370 void MainWindow::highlight_mid(unsigned bus_idx, bool highlight)
1372 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::mid_knob, highlight);
1375 void MainWindow::highlight_bass(unsigned bus_idx, bool highlight)
1377 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::bass_knob, highlight);
1380 void MainWindow::highlight_gain(unsigned bus_idx, bool highlight)
1382 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_knob, highlight);
1385 void MainWindow::highlight_compressor_threshold(unsigned bus_idx, bool highlight)
1387 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_threshold_knob, highlight);
1390 void MainWindow::highlight_fader(unsigned bus_idx, bool highlight)
1392 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::fader, highlight);
1395 void MainWindow::highlight_mute(unsigned bus_idx, bool highlight)
1397 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::mute_button, highlight, /*is_mute_btton=*/true);
1400 void MainWindow::highlight_toggle_locut(unsigned bus_idx, bool highlight)
1402 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::locut_enabled, highlight);
1405 void MainWindow::highlight_toggle_auto_gain_staging(unsigned bus_idx, bool highlight)
1407 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_auto_checkbox, highlight);
1410 void MainWindow::highlight_toggle_compressor(unsigned bus_idx, bool highlight)
1412 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_enabled, highlight);
1415 void MainWindow::highlight_toggle_limiter(bool highlight)
1417 post_to_main_thread([this, highlight]{
1418 highlight_control(ui->limiter_enabled, highlight);
1419 highlight_control(ui->limiter_enabled_2, highlight);
1423 void MainWindow::highlight_toggle_auto_makeup_gain(bool highlight)
1425 post_to_main_thread([this, highlight]{
1426 highlight_control(ui->makeup_gain_auto_checkbox, highlight);
1427 highlight_control(ui->makeup_gain_auto_checkbox_2, highlight);
1432 void MainWindow::set_relative_value(T *control, float value)
1434 post_to_main_thread([control, value]{
1435 control->setValue(lrintf(control->minimum() + value * (control->maximum() - control->minimum())));
1440 void MainWindow::set_relative_value_if_exists(unsigned bus_idx, T *(Ui_AudioExpandedView::*control), float value)
1442 if (global_audio_mixer != nullptr &&
1443 global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL &&
1444 bus_idx < audio_expanded_views.size()) {
1445 set_relative_value(audio_expanded_views[bus_idx]->*control, value);
1449 void MainWindow::set_db_value_if_exists(unsigned bus_idx, QDial *(Ui_AudioExpandedView::*control), float value_db)
1451 post_to_main_thread([this, bus_idx, control, value_db]{
1452 if (global_audio_mixer != nullptr &&
1453 global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL &&
1454 bus_idx < audio_expanded_views.size()) {
1455 int value = lrintf(value_db * 10.0f);
1456 (audio_expanded_views[bus_idx]->*control)->setValue(value);
1462 void MainWindow::click_button_if_exists(unsigned bus_idx, T *(Ui_AudioExpandedView::*control))
1464 post_to_main_thread([this, bus_idx, control]{
1465 if (global_audio_mixer != nullptr &&
1466 global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL &&
1467 bus_idx < audio_expanded_views.size()) {
1468 (audio_expanded_views[bus_idx]->*control)->click();
1474 void MainWindow::highlight_control(T *control, bool highlight)
1476 if (control == nullptr) {
1479 if (global_audio_mixer == nullptr ||
1480 global_audio_mixer->get_mapping_mode() != AudioMixer::MappingMode::MULTICHANNEL) {
1484 control->setStyleSheet("background: rgb(0,255,0,80)");
1486 control->setStyleSheet("");
1491 void MainWindow::highlight_mute_control(T *control, bool highlight)
1493 if (control == nullptr) {
1496 if (global_audio_mixer == nullptr ||
1497 global_audio_mixer->get_mapping_mode() != AudioMixer::MappingMode::MULTICHANNEL) {
1501 control->setStyleSheet("QPushButton { background: rgb(0,255,0,80); } QPushButton:checked { background: rgba(255,80,0,140); }");
1503 control->setStyleSheet("QPushButton:checked { background: rgba(255,0,0,80); }");
1508 void MainWindow::highlight_control_if_exists(unsigned bus_idx, T *(Ui_AudioExpandedView::*control), bool highlight, bool is_mute_button)
1510 post_to_main_thread([this, bus_idx, control, highlight, is_mute_button]{
1511 if (bus_idx < audio_expanded_views.size()) {
1512 if (is_mute_button) {
1513 highlight_mute_control(audio_expanded_views[bus_idx]->*control, highlight);
1515 highlight_control(audio_expanded_views[bus_idx]->*control, highlight);
1521 void MainWindow::set_transition_names(vector<string> transition_names)
1523 if (transition_names.size() < 1 || transition_names[0].empty()) {
1524 transition_btn1->setText(QString(""));
1526 transition_btn1->setText(QString::fromStdString(transition_names[0] + " (J)"));
1527 ui->transition_btn1->setShortcut(QKeySequence("J"));
1529 if (transition_names.size() < 2 || transition_names[1].empty()) {
1530 transition_btn2->setText(QString(""));
1532 transition_btn2->setText(QString::fromStdString(transition_names[1] + " (K)"));
1533 ui->transition_btn2->setShortcut(QKeySequence("K"));
1535 if (transition_names.size() < 3 || transition_names[2].empty()) {
1536 transition_btn3->setText(QString(""));
1538 transition_btn3->setText(QString::fromStdString(transition_names[2] + " (L)"));
1539 ui->transition_btn3->setShortcut(QKeySequence("L"));
1543 void MainWindow::update_channel_name(Mixer::Output output, const string &name)
1545 if (output == Mixer::OUTPUT_LIVE) {
1546 ui->label_live->setText(name.c_str());
1547 } else if (output == Mixer::OUTPUT_PREVIEW) {
1548 ui->label_preview->setText(name.c_str());
1549 } else if (output >= Mixer::OUTPUT_INPUT0) {
1550 unsigned channel = output - Mixer::OUTPUT_INPUT0;
1551 previews[channel]->label->setText(name.c_str());
1554 analyzer->update_channel_name(output, name);
1557 void MainWindow::update_channel_color(Mixer::Output output, const string &color)
1559 if (output >= Mixer::OUTPUT_INPUT0) {
1560 unsigned channel = output - Mixer::OUTPUT_INPUT0;
1561 previews[channel]->frame->setStyleSheet(QString::fromStdString("background-color:" + color));
1565 void MainWindow::transition_clicked(int transition_number)
1567 global_mixer->transition_clicked(transition_number);
1570 void MainWindow::channel_clicked(int channel_number)
1572 if (current_wb_pick_display == channel_number) {
1573 // The picking was already done from eventFilter(), since we don't get
1574 // the mouse pointer here.
1576 global_mixer->channel_clicked(channel_number);
1580 void MainWindow::quick_cut_activated(int channel_number)
1582 if (!global_flags.enable_quick_cut_keys) {
1585 global_mixer->channel_clicked(channel_number);
1586 global_mixer->transition_clicked(0);
1589 void MainWindow::wb_button_clicked(int channel_number)
1591 current_wb_pick_display = channel_number;
1592 QApplication::setOverrideCursor(Qt::CrossCursor);
1595 void MainWindow::audio_view_changed(int audio_view)
1597 if (audio_view == current_audio_view) {
1601 if (audio_view == 0) {
1602 // Compact audio view. (1, full audio view, has no video previews.)
1603 for (unsigned i = 0; i < previews.size(); ++i) {
1604 QWidget *display = static_cast<QWidget *>(previews[i]->frame->parent());
1605 ui->preview_displays->insertWidget(i, display, 1);
1607 } else if (audio_view == 2) {
1608 // Video grid display.
1609 for (unsigned i = 0; i < previews.size(); ++i) {
1610 QWidget *display = static_cast<QWidget *>(previews[i]->frame->parent());
1611 display->setParent(ui->preview_displays_grid);
1616 current_audio_view = audio_view;
1618 // Ask for a relayout, but only after the event loop is done doing relayout
1619 // on everything else.
1620 QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
1623 bool MainWindow::eventFilter(QObject *watched, QEvent *event)
1625 if (current_wb_pick_display != -1 &&
1626 event->type() == QEvent::MouseButtonRelease &&
1627 watched->isWidgetType()) {
1628 QApplication::restoreOverrideCursor();
1629 if (watched == previews[current_wb_pick_display]->display) {
1630 const QMouseEvent *mouse_event = (QMouseEvent *)event;
1631 previews[current_wb_pick_display]->display->grab_white_balance(
1632 current_wb_pick_display,
1633 mouse_event->x(), mouse_event->y());
1635 // The user clicked on something else, give up.
1636 // (The click goes through, which might not be ideal, but, yes.)
1637 current_wb_pick_display = -1;
1643 void MainWindow::closeEvent(QCloseEvent *event)
1645 if (global_mixer->get_num_connected_clients() > 0) {
1646 QMessageBox::StandardButton reply =
1647 QMessageBox::question(this, "Nageru", "There are clients connected. Do you really want to quit?",
1648 QMessageBox::Yes | QMessageBox::No);
1649 if (reply != QMessageBox::Yes) {
1656 global_mixer->quit();
1657 mixer_shutting_down();
1661 void MainWindow::audio_state_changed()
1663 post_to_main_thread([this]{
1664 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
1667 InputMapping mapping = global_audio_mixer->get_input_mapping();
1668 for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) {
1669 string label = get_bus_desc_label(mapping.buses[bus_index]);
1670 audio_miniviews[bus_index]->bus_desc_label->setFullText(
1671 QString::fromStdString(label));
1672 audio_expanded_views[bus_index]->bus_desc_label->setFullText(
1673 QString::fromStdString(label));