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();
281 if (global_flags.srt_port >= 0) {
283 snprintf(title, sizeof(title), "Accept new SRT connections on port %d", global_flags.srt_port);
284 ui->srt_enable_action->setChecked(true);
285 ui->srt_enable_action->setText(title);
286 connect(ui->srt_enable_action, &QAction::changed, [this](){
287 global_flags.enable_srt = ui->srt_enable_action->isChecked();
290 ui->srt_enable_action->setChecked(false);
291 ui->srt_enable_action->setEnabled(false);
292 ui->srt_enable_action->setText("Accept new SRT connections");
295 ui->srt_enable_action->setChecked(false);
296 ui->srt_enable_action->setEnabled(false);
297 ui->srt_enable_action->setText("Accept new SRT connections");
300 last_audio_level_callback = steady_clock::now() - seconds(1);
302 if (!global_flags.midi_mapping_filename.empty()) {
303 MIDIMappingProto midi_mapping;
304 if (!load_midi_mapping_from_file(global_flags.midi_mapping_filename, &midi_mapping)) {
305 fprintf(stderr, "Couldn't load MIDI mapping '%s'; exiting.\n",
306 global_flags.midi_mapping_filename.c_str());
309 midi_mapper.set_midi_mapping(midi_mapping);
311 midi_mapper.refresh_highlights();
312 midi_mapper.refresh_lights();
313 if (global_flags.fullscreen) {
314 QMainWindow::showFullScreen();
318 void MainWindow::prev_page()
320 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
321 ui->audio_views->setCurrentIndex((ui->audio_views->currentIndex() + 2) % 3);
323 ui->audio_views->setCurrentIndex(2 - ui->audio_views->currentIndex()); // Switch between 0 and 2.
327 void MainWindow::next_page()
329 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
330 ui->audio_views->setCurrentIndex((ui->audio_views->currentIndex() + 1) % 3);
332 ui->audio_views->setCurrentIndex(2 - ui->audio_views->currentIndex()); // Switch between 0 and 2.
336 void MainWindow::resizeEvent(QResizeEvent* event)
338 QMainWindow::resizeEvent(event);
340 // Ask for a relayout, but only after the event loop is done doing relayout
341 // on everything else.
342 QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
345 void MainWindow::mixer_created(Mixer *mixer)
347 // Make the previews.
348 unsigned num_previews = mixer->get_num_channels();
350 const char qwerty[] = "QWERTYUIOP";
351 for (unsigned i = 0; i < num_previews; ++i) {
352 Mixer::Output output = Mixer::Output(Mixer::OUTPUT_INPUT0 + i);
354 QWidget *preview = new QWidget(this); // Will be connected to a layout immediately after the loop.
355 Ui::Display *ui_display = new Ui::Display;
356 ui_display->setupUi(preview);
357 ui_display->label->setText(mixer->get_channel_name(output).c_str());
358 ui_display->display->set_output(output);
359 previews.push_back(ui_display);
361 // Hook up the click.
362 connect(ui_display->display, &GLWidget::clicked, bind(&MainWindow::channel_clicked, this, i));
364 // Let the theme update the text whenever the resolution or color changed.
365 connect(ui_display->display, &GLWidget::name_updated, this, &MainWindow::update_channel_name);
366 connect(ui_display->display, &GLWidget::color_updated, this, &MainWindow::update_channel_color);
368 // Hook up the keyboard key.
369 QShortcut *shortcut = nullptr;
371 shortcut = new QShortcut(QKeySequence(Qt::Key_1 + i), this);
373 shortcut = new QShortcut(QKeySequence(Qt::Key_0), this);
375 if (shortcut != nullptr) {
376 connect(shortcut, &QShortcut::activated, bind(&MainWindow::channel_clicked, this, i));
379 // Hook up the quick-cut key.
380 if (i < strlen(qwerty)) {
381 QShortcut *shortcut = new QShortcut(QKeySequence(qwerty[i]), this);
382 connect(shortcut, &QShortcut::activated, bind(&MainWindow::quick_cut_activated, this, i));
385 // Hook up the white balance button (irrelevant if invisible).
386 ui_display->wb_button->setVisible(mixer->get_supports_set_wb(output));
387 connect(ui_display->wb_button, &QPushButton::clicked, bind(&MainWindow::wb_button_clicked, this, i));
390 // Connect the previews to the correct layout.
391 audio_view_changed(ui->audio_views->currentIndex());
393 global_audio_mixer->set_state_changed_callback(bind(&MainWindow::audio_state_changed, this));
395 slave_knob(ui->locut_cutoff_knob, ui->locut_cutoff_knob_2);
396 slave_knob(ui->limiter_threshold_knob, ui->limiter_threshold_knob_2);
397 slave_knob(ui->makeup_gain_knob, ui->makeup_gain_knob_2);
398 slave_checkbox(ui->makeup_gain_auto_checkbox, ui->makeup_gain_auto_checkbox_2);
399 slave_checkbox(ui->limiter_enabled, ui->limiter_enabled_2);
401 reset_audio_mapping_ui();
403 // TODO: Fetch all of the values these for completeness,
404 // not just the enable knobs implied by flags.
405 ui->limiter_enabled->setChecked(global_audio_mixer->get_limiter_enabled());
406 ui->makeup_gain_auto_checkbox->setChecked(global_audio_mixer->get_final_makeup_gain_auto());
408 // Controls used only for simple audio fetch their state from the first bus.
409 constexpr unsigned simple_bus_index = 0;
410 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
411 ui->locut_enabled->setChecked(global_audio_mixer->get_locut_enabled(simple_bus_index));
412 ui->gainstaging_knob->setValue(global_audio_mixer->get_gain_staging_db(simple_bus_index));
413 ui->gainstaging_auto_checkbox->setChecked(global_audio_mixer->get_gain_staging_auto(simple_bus_index));
414 ui->compressor_enabled->setChecked(global_audio_mixer->get_compressor_enabled(simple_bus_index));
415 ui->compressor_threshold_db_display->setText(
416 QString::fromStdString(format_db(mixer->get_audio_mixer()->get_compressor_threshold_dbfs(simple_bus_index), DB_WITH_SIGN)));
418 connect(ui->locut_enabled, &QCheckBox::stateChanged, [this](int state){
419 global_audio_mixer->set_locut_enabled(simple_bus_index, state == Qt::Checked);
420 midi_mapper.refresh_lights();
422 connect(ui->gainstaging_knob, &QAbstractSlider::valueChanged,
423 bind(&MainWindow::gain_staging_knob_changed, this, simple_bus_index, _1));
424 connect(ui->gainstaging_auto_checkbox, &QCheckBox::stateChanged, [this](int state){
425 global_audio_mixer->set_gain_staging_auto(simple_bus_index, state == Qt::Checked);
426 midi_mapper.refresh_lights();
428 connect(ui->compressor_threshold_knob, &QDial::valueChanged,
429 bind(&MainWindow::compressor_threshold_knob_changed, this, simple_bus_index, _1));
430 connect(ui->compressor_enabled, &QCheckBox::stateChanged, [this](int state){
431 global_audio_mixer->set_compressor_enabled(simple_bus_index, state == Qt::Checked);
432 midi_mapper.refresh_lights();
435 // Global mastering controls.
436 QString limiter_threshold_label(
437 QString::fromStdString(format_db(mixer->get_audio_mixer()->get_limiter_threshold_dbfs(), DB_WITH_SIGN)));
438 ui->limiter_threshold_db_display->setText(limiter_threshold_label);
439 ui->limiter_threshold_db_display_2->setText(limiter_threshold_label);
441 connect(ui->locut_cutoff_knob, &QDial::valueChanged, this, &MainWindow::cutoff_knob_changed);
442 cutoff_knob_changed(ui->locut_cutoff_knob->value());
444 connect(ui->makeup_gain_knob, &QAbstractSlider::valueChanged, this, &MainWindow::final_makeup_gain_knob_changed);
445 connect(ui->makeup_gain_auto_checkbox, &QCheckBox::stateChanged, [this](int state){
446 global_audio_mixer->set_final_makeup_gain_auto(state == Qt::Checked);
447 midi_mapper.refresh_lights();
450 connect(ui->limiter_threshold_knob, &QDial::valueChanged, this, &MainWindow::limiter_threshold_knob_changed);
451 connect(ui->limiter_enabled, &QCheckBox::stateChanged, [this](int state){
452 global_audio_mixer->set_limiter_enabled(state == Qt::Checked);
453 midi_mapper.refresh_lights();
455 connect(ui->reset_meters_button, &QPushButton::clicked, this, &MainWindow::reset_meters_button_clicked);
456 // Even though we have a reset button right next to it, the fact that
457 // the expanded audio view labels are clickable makes it natural to
458 // click this one as well.
459 connect(ui->peak_display, &ClickableLabel::clicked, this, &MainWindow::reset_meters_button_clicked);
460 mixer->get_audio_mixer()->set_audio_level_callback(bind(&MainWindow::audio_level_callback, this, _1, _2, _3, _4, _5, _6, _7, _8));
462 midi_mapper.refresh_highlights();
463 midi_mapper.refresh_lights();
464 midi_mapper.start_thread();
466 analyzer.reset(new Analyzer);
468 global_mixer->set_theme_menu_callback(bind(&MainWindow::setup_theme_menu, this));
471 struct sigaction act;
472 memset(&act, 0, sizeof(act));
473 act.sa_handler = schedule_cut_signal;
474 act.sa_flags = SA_RESTART;
475 sigaction(SIGHUP, &act, nullptr);
477 // Mostly for debugging. Don't override SIGINT, that's so evil if
478 // shutdown isn't instant.
479 memset(&act, 0, sizeof(act));
480 act.sa_handler = quit_signal;
481 act.sa_flags = SA_RESTART;
482 sigaction(SIGUSR1, &act, nullptr);
485 void MainWindow::reset_audio_mapping_ui()
487 bool simple = (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE);
489 ui->simple_audio_mode->setChecked(simple);
490 ui->multichannel_audio_mode->setChecked(!simple);
491 ui->input_mapping_action->setEnabled(!simple);
492 ui->midi_mapping_action->setEnabled(!simple);
494 ui->locut_enabled->setVisible(simple);
495 ui->gainstaging_label->setVisible(simple);
496 ui->gainstaging_knob->setVisible(simple);
497 ui->gainstaging_db_display->setVisible(simple);
498 ui->gainstaging_auto_checkbox->setVisible(simple);
499 ui->compressor_threshold_label->setVisible(simple);
500 ui->compressor_threshold_knob->setVisible(simple);
501 ui->compressor_threshold_db_display->setVisible(simple);
502 ui->compressor_enabled->setVisible(simple);
504 setup_audio_miniview();
505 setup_audio_expanded_view();
508 ui->compact_label->setText("Compact audio view (1/2) ");
509 ui->video_grid_label->setText("Video grid display (2/2) ");
510 if (ui->audio_views->currentIndex() == 1) {
511 // Full audio view is not available in simple mode.
512 ui->audio_views->setCurrentIndex(0);
515 ui->compact_label->setText("Compact audio view (1/3) ");
516 ui->full_label->setText("Full audio view (2/3) ");
517 ui->video_grid_label->setText("Video grid display (3/3) ");
520 midi_mapper.refresh_highlights();
521 midi_mapper.refresh_lights();
524 void MainWindow::setup_audio_miniview()
526 // Remove any existing channels.
527 for (QLayoutItem *item; (item = ui->faders->takeAt(0)) != nullptr; ) {
528 delete item->widget();
531 audio_miniviews.clear();
533 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
537 // Set up brand new ones from the input mapping.
538 InputMapping mapping = global_audio_mixer->get_input_mapping();
539 audio_miniviews.resize(mapping.buses.size());
540 for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) {
541 QWidget *channel = new QWidget(this);
542 Ui::AudioMiniView *ui_audio_miniview = new Ui::AudioMiniView;
543 ui_audio_miniview->setupUi(channel);
544 ui_audio_miniview->bus_desc_label->setFullText(
545 QString::fromStdString(get_bus_desc_label(mapping.buses[bus_index])));
546 audio_miniviews[bus_index] = ui_audio_miniview;
548 // Set up the peak meter.
549 VUMeter *peak_meter = ui_audio_miniview->peak_meter;
550 peak_meter->set_min_level(-30.0f);
551 peak_meter->set_max_level(0.0f);
552 peak_meter->set_ref_level(0.0f);
554 ui_audio_miniview->fader->setDbValue(global_audio_mixer->get_fader_volume(bus_index));
556 ui->faders->addWidget(channel);
558 connect(ui_audio_miniview->fader, &NonLinearFader::dbValueChanged,
559 bind(&MainWindow::mini_fader_changed, this, bus_index, _1));
560 connect(ui_audio_miniview->peak_display_label, &ClickableLabel::clicked,
562 global_audio_mixer->reset_peak(bus_index);
567 void MainWindow::setup_audio_expanded_view()
569 // Remove any existing channels.
570 for (QLayoutItem *item; (item = ui->buses->takeAt(0)) != nullptr; ) {
571 delete item->widget();
574 audio_expanded_views.clear();
576 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
580 // Set up brand new ones from the input mapping.
581 InputMapping mapping = global_audio_mixer->get_input_mapping();
582 audio_expanded_views.resize(mapping.buses.size());
583 for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) {
584 QWidget *channel = new QWidget(this);
585 Ui::AudioExpandedView *ui_audio_expanded_view = new Ui::AudioExpandedView;
586 ui_audio_expanded_view->setupUi(channel);
587 ui_audio_expanded_view->bus_desc_label->setFullText(
588 QString::fromStdString(get_bus_desc_label(mapping.buses[bus_index])));
589 audio_expanded_views[bus_index] = ui_audio_expanded_view;
590 update_stereo_knob_and_label(bus_index, lrintf(100.0f * global_audio_mixer->get_stereo_width(bus_index)));
591 update_eq_label(bus_index, EQ_BAND_TREBLE, global_audio_mixer->get_eq(bus_index, EQ_BAND_TREBLE));
592 update_eq_label(bus_index, EQ_BAND_MID, global_audio_mixer->get_eq(bus_index, EQ_BAND_MID));
593 update_eq_label(bus_index, EQ_BAND_BASS, global_audio_mixer->get_eq(bus_index, EQ_BAND_BASS));
594 ui_audio_expanded_view->fader->setDbValue(global_audio_mixer->get_fader_volume(bus_index));
595 ui_audio_expanded_view->mute_button->setChecked(global_audio_mixer->get_mute(bus_index));
596 connect(ui_audio_expanded_view->mute_button, &QPushButton::toggled,
597 bind(&MainWindow::mute_button_toggled, this, bus_index, _1));
598 ui->buses->addWidget(channel);
600 ui_audio_expanded_view->locut_enabled->setChecked(global_audio_mixer->get_locut_enabled(bus_index));
601 connect(ui_audio_expanded_view->locut_enabled, &QCheckBox::stateChanged, [this, bus_index](int state){
602 global_audio_mixer->set_locut_enabled(bus_index, state == Qt::Checked);
603 midi_mapper.refresh_lights();
606 connect(ui_audio_expanded_view->stereo_width_knob, &QDial::valueChanged,
607 bind(&MainWindow::stereo_width_knob_changed, this, bus_index, _1));
609 connect(ui_audio_expanded_view->treble_knob, &QDial::valueChanged,
610 bind(&MainWindow::eq_knob_changed, this, bus_index, EQ_BAND_TREBLE, _1));
611 connect(ui_audio_expanded_view->mid_knob, &QDial::valueChanged,
612 bind(&MainWindow::eq_knob_changed, this, bus_index, EQ_BAND_MID, _1));
613 connect(ui_audio_expanded_view->bass_knob, &QDial::valueChanged,
614 bind(&MainWindow::eq_knob_changed, this, bus_index, EQ_BAND_BASS, _1));
616 ui_audio_expanded_view->gainstaging_knob->setValue(global_audio_mixer->get_gain_staging_db(bus_index));
617 ui_audio_expanded_view->gainstaging_auto_checkbox->setChecked(global_audio_mixer->get_gain_staging_auto(bus_index));
618 ui_audio_expanded_view->compressor_enabled->setChecked(global_audio_mixer->get_compressor_enabled(bus_index));
620 connect(ui_audio_expanded_view->gainstaging_knob, &QAbstractSlider::valueChanged, bind(&MainWindow::gain_staging_knob_changed, this, bus_index, _1));
621 connect(ui_audio_expanded_view->gainstaging_auto_checkbox, &QCheckBox::stateChanged, [this, bus_index](int state){
622 global_audio_mixer->set_gain_staging_auto(bus_index, state == Qt::Checked);
623 midi_mapper.refresh_lights();
626 connect(ui_audio_expanded_view->compressor_threshold_knob, &QDial::valueChanged, bind(&MainWindow::compressor_threshold_knob_changed, this, bus_index, _1));
627 connect(ui_audio_expanded_view->compressor_enabled, &QCheckBox::stateChanged, [this, bus_index](int state){
628 global_audio_mixer->set_compressor_enabled(bus_index, state == Qt::Checked);
629 midi_mapper.refresh_lights();
632 slave_fader(audio_miniviews[bus_index]->fader, ui_audio_expanded_view->fader);
634 // Set up the peak meter.
635 VUMeter *peak_meter = ui_audio_expanded_view->peak_meter;
636 peak_meter->set_min_level(-30.0f);
637 peak_meter->set_max_level(0.0f);
638 peak_meter->set_ref_level(0.0f);
640 connect(ui_audio_expanded_view->peak_display_label, &ClickableLabel::clicked,
641 [this, bus_index]() {
642 global_audio_mixer->reset_peak(bus_index);
643 midi_mapper.refresh_lights();
647 update_cutoff_labels(global_audio_mixer->get_locut_cutoff());
650 void MainWindow::mixer_shutting_down()
652 ui->me_live->shutdown();
653 ui->me_preview->shutdown();
655 for (Ui::Display *display : previews) {
656 display->display->shutdown();
659 analyzer->mixer_shutting_down();
662 void MainWindow::cut_triggered()
664 global_mixer->schedule_cut();
667 void MainWindow::x264_bitrate_triggered()
670 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);
671 if (ok && new_bitrate >= 100 && new_bitrate <= 100000) {
672 global_flags.x264_bitrate = new_bitrate;
673 global_mixer->change_x264_bitrate(new_bitrate);
677 void MainWindow::exit_triggered()
682 void MainWindow::manual_triggered()
684 if (!QDesktopServices::openUrl(QUrl("https://nageru.sesse.net/doc/"))) {
686 msgbox.setText("Could not launch manual in web browser.\nPlease see https://nageru.sesse.net/doc/ manually.");
691 void MainWindow::about_triggered()
693 AboutDialog("Nageru", "Realtime video mixer").exec();
696 void MainWindow::open_analyzer_triggered()
701 void MainWindow::simple_audio_mode_triggered()
703 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
706 unsigned card_index = global_audio_mixer->get_simple_input();
707 if (card_index == numeric_limits<unsigned>::max()) {
708 QMessageBox::StandardButton reply =
709 QMessageBox::question(this,
710 "Mapping too complex",
711 "The current audio mapping is too complicated to be representable in simple mode, "
712 "and will be discarded if you proceed. Really go to simple audio mode?",
713 QMessageBox::Yes | QMessageBox::No);
714 if (reply == QMessageBox::No) {
715 ui->simple_audio_mode->setChecked(false);
716 ui->multichannel_audio_mode->setChecked(true);
721 global_audio_mixer->set_simple_input(/*card_index=*/card_index);
722 reset_audio_mapping_ui();
725 void MainWindow::multichannel_audio_mode_triggered()
727 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
731 // Take the generated input mapping from the simple input,
732 // and set it as a normal multichannel mapping, which causes
733 // the mode to go to multichannel.
734 global_audio_mixer->set_input_mapping(global_audio_mixer->get_input_mapping());
735 reset_audio_mapping_ui();
738 void MainWindow::input_mapping_triggered()
740 if (InputMappingDialog().exec() == QDialog::Accepted) {
741 setup_audio_miniview();
742 setup_audio_expanded_view();
744 midi_mapper.refresh_highlights();
745 midi_mapper.refresh_lights();
748 void MainWindow::midi_mapping_triggered()
750 MIDIMappingDialog(&midi_mapper).exec();
753 void MainWindow::timecode_stream_triggered()
755 global_mixer->set_display_timecode_in_stream(ui->timecode_stream_action->isChecked());
758 void MainWindow::timecode_stdout_triggered()
760 global_mixer->set_display_timecode_on_stdout(ui->timecode_stdout_action->isChecked());
763 void MainWindow::gain_staging_knob_changed(unsigned bus_index, int value)
765 if (bus_index == 0) {
766 ui->gainstaging_auto_checkbox->setCheckState(Qt::Unchecked);
768 if (bus_index < audio_expanded_views.size()) {
769 audio_expanded_views[bus_index]->gainstaging_auto_checkbox->setCheckState(Qt::Unchecked);
772 float gain_db = value * 0.1f;
773 global_audio_mixer->set_gain_staging_db(bus_index, gain_db);
775 // The label will be updated by the audio level callback.
778 void MainWindow::final_makeup_gain_knob_changed(int value)
780 ui->makeup_gain_auto_checkbox->setCheckState(Qt::Unchecked);
782 float gain_db = value * 0.1f;
783 global_audio_mixer->set_final_makeup_gain_db(gain_db);
785 // The label will be updated by the audio level callback.
788 void MainWindow::cutoff_knob_changed(int value)
790 float octaves = value * 0.1f;
791 float cutoff_hz = 20.0 * pow(2.0, octaves);
792 global_audio_mixer->set_locut_cutoff(cutoff_hz);
793 update_cutoff_labels(cutoff_hz);
796 void MainWindow::update_cutoff_labels(float cutoff_hz)
799 snprintf(buf, sizeof(buf), "%ld Hz", lrintf(cutoff_hz));
800 ui->locut_cutoff_display->setText(buf);
801 ui->locut_cutoff_display_2->setText(buf);
803 for (unsigned bus_index = 0; bus_index < audio_expanded_views.size(); ++bus_index) {
804 audio_expanded_views[bus_index]->locut_enabled->setText(
805 QString("Lo-cut: ") + buf);
809 void MainWindow::report_disk_space(off_t free_bytes, double estimated_seconds_left, double file_length_seconds)
812 if (estimated_seconds_left < 60.0) {
813 strcpy(time_str, "<font color=\"red\">Less than a minute</font>");
814 } else if (estimated_seconds_left < 1800.0) { // Less than half an hour: Xm Ys (red).
815 int s = lrintf(estimated_seconds_left);
818 snprintf(time_str, sizeof(time_str), "<font color=\"red\">%dm %ds</font>", m, s);
819 } else if (estimated_seconds_left < 3600.0) { // Less than an hour: Xm.
820 int m = lrintf(estimated_seconds_left / 60.0);
821 snprintf(time_str, sizeof(time_str), "%dm", m);
822 } else if (estimated_seconds_left < 36000.0) { // Less than ten hours: Xh Ym.
823 int m = lrintf(estimated_seconds_left / 60.0);
826 snprintf(time_str, sizeof(time_str), "%dh %dm", h, m);
827 } else { // More than ten hours: Xh.
828 int h = lrintf(estimated_seconds_left / 3600.0);
829 snprintf(time_str, sizeof(time_str), "%dh", h);
832 snprintf(buf, sizeof(buf), "Disk free: %'.0f MB (approx. %s)", free_bytes / 1048576.0, time_str);
834 // NOTE: The default formatter does not use file_length_seconds for anything,
835 // but the theme might want to do so.
836 std::string label = global_mixer->format_status_line(buf, file_length_seconds);
838 post_to_main_thread([this, label]{
839 disk_free_label->setText(QString::fromStdString(label));
840 ui->menuBar->setCornerWidget(disk_free_label); // Need to set this again for the sizing to get right.
844 void MainWindow::stereo_width_knob_changed(unsigned bus_index, int value)
846 float stereo_width = value * 0.01f;
847 global_audio_mixer->set_stereo_width(bus_index, stereo_width);
849 update_stereo_label(bus_index, value);
852 void MainWindow::eq_knob_changed(unsigned bus_index, EQBand band, int value)
854 float gain_db = value * 0.1f;
855 global_audio_mixer->set_eq(bus_index, band, gain_db);
857 update_eq_label(bus_index, band, gain_db);
860 void MainWindow::update_stereo_knob_and_label(unsigned bus_index, int stereo_width_percent)
862 Ui::AudioExpandedView *view = audio_expanded_views[bus_index];
864 if (global_audio_mixer->is_mono(bus_index)) {
865 view->stereo_width_knob->setEnabled(false);
866 view->stereo_width_label->setEnabled(false);
868 view->stereo_width_knob->setEnabled(true);
869 view->stereo_width_label->setEnabled(true);
871 view->stereo_width_knob->setValue(stereo_width_percent);
872 update_stereo_label(bus_index, stereo_width_percent);
875 void MainWindow::update_stereo_label(unsigned bus_index, int stereo_width_percent)
877 Ui::AudioExpandedView *view = audio_expanded_views[bus_index];
879 if (global_audio_mixer->is_mono(bus_index)) {
880 view->stereo_width_label->setText("Mono");
883 snprintf(buf, sizeof(buf), "Stereo: %d%%", stereo_width_percent);
884 view->stereo_width_label->setText(buf);
888 void MainWindow::update_eq_label(unsigned bus_index, EQBand band, float gain_db)
890 Ui::AudioExpandedView *view = audio_expanded_views[bus_index];
891 string db_string = format_db(gain_db, DB_WITH_SIGN);
894 view->treble_label->setText(QString::fromStdString("Treble: " + db_string));
897 view->mid_label->setText(QString::fromStdString("Mid: " + db_string));
900 view->bass_label->setText(QString::fromStdString("Bass: " + db_string));
907 void MainWindow::setup_theme_menu()
909 Theme::MenuEntry *root_menu = global_mixer->get_theme_menu();
911 // Remove the old menu, if any.
912 if (theme_menu != nullptr) {
913 ui->menuBar->removeAction(theme_menu->menuAction());
914 theme_menu = nullptr;
917 if (root_menu != nullptr) {
918 assert(root_menu->is_submenu);
919 if (!root_menu->submenu.empty()) {
920 theme_menu = new QMenu("&Theme");
921 fill_menu_from_theme_menu(root_menu->submenu, theme_menu);
922 ui->menuBar->insertMenu(ui->menu_Help->menuAction(), theme_menu);
927 void MainWindow::fill_menu_from_theme_menu(const vector<unique_ptr<Theme::MenuEntry>> &entries, QMenu *menu)
929 for (const unique_ptr<Theme::MenuEntry> &entry : entries) {
930 if (entry->is_submenu) {
931 QMenu *submenu = new QMenu(QString::fromStdString(entry->text));
932 fill_menu_from_theme_menu(entry->submenu, submenu);
933 menu->addMenu(submenu);
937 QAction *action = menu->addAction(QString::fromStdString(entry->text));
938 if (entry->entry.flags == Theme::MenuEntry::CHECKABLE) {
939 action->setCheckable(true);
940 } else if (entry->entry.flags == Theme::MenuEntry::CHECKED) {
941 action->setCheckable(true);
942 action->setChecked(true);
944 connect(action, &QAction::triggered, [lua_ref = entry->entry.lua_ref] {
945 global_mixer->theme_menu_entry_clicked(lua_ref);
950 void MainWindow::limiter_threshold_knob_changed(int value)
952 float threshold_dbfs = value * 0.1f;
953 global_audio_mixer->set_limiter_threshold_dbfs(threshold_dbfs);
954 ui->limiter_threshold_db_display->setText(
955 QString::fromStdString(format_db(threshold_dbfs, DB_WITH_SIGN)));
956 ui->limiter_threshold_db_display_2->setText(
957 QString::fromStdString(format_db(threshold_dbfs, DB_WITH_SIGN)));
960 void MainWindow::compressor_threshold_knob_changed(unsigned bus_index, int value)
962 float threshold_dbfs = value * 0.1f;
963 global_audio_mixer->set_compressor_threshold_dbfs(bus_index, threshold_dbfs);
965 QString label(QString::fromStdString(format_db(threshold_dbfs, DB_WITH_SIGN)));
966 if (bus_index == 0) {
967 ui->compressor_threshold_db_display->setText(label);
969 if (bus_index < audio_expanded_views.size()) {
970 audio_expanded_views[bus_index]->compressor_threshold_db_display->setText(label);
974 void MainWindow::mini_fader_changed(int bus, double volume_db)
976 QString label(QString::fromStdString(format_db(volume_db, DB_WITH_SIGN)));
977 audio_miniviews[bus]->fader_label->setText(label);
978 audio_expanded_views[bus]->fader_label->setText(label);
980 global_audio_mixer->set_fader_volume(bus, volume_db);
983 void MainWindow::mute_button_toggled(int bus, bool checked)
985 global_audio_mixer->set_mute(bus, checked);
986 midi_mapper.refresh_lights();
989 void MainWindow::reset_meters_button_clicked()
991 global_audio_mixer->reset_meters();
992 ui->peak_display->setText(QString::fromStdString(format_db(-HUGE_VAL, DB_WITH_SIGN | DB_BARE)));
993 ui->peak_display->setStyleSheet("");
996 void MainWindow::audio_level_callback(float level_lufs, float peak_db, vector<AudioMixer::BusLevel> bus_levels,
997 float global_level_lufs,
998 float range_low_lufs, float range_high_lufs,
999 float final_makeup_gain_db,
1002 steady_clock::time_point now = steady_clock::now();
1004 // The meters are somewhat inefficient to update. Only update them
1005 // every 100 ms or so (we get updates every 5–20 ms). Note that this
1006 // means that the digital peak meters are ever so slightly too low
1007 // (each update won't be a faithful representation of the highest peak
1008 // since the previous update, since there are frames we won't draw),
1009 // but the _peak_ of the peak meters will be correct (it's tracked in
1010 // AudioMixer, not here), and that's much more important.
1011 double last_update_age = duration<double>(now - last_audio_level_callback).count();
1012 if (last_update_age < 0.100) {
1015 last_audio_level_callback = now;
1017 post_to_main_thread([=]() {
1018 ui->vu_meter->set_level(level_lufs);
1019 for (unsigned bus_index = 0; bus_index < bus_levels.size(); ++bus_index) {
1020 if (bus_index < audio_miniviews.size()) {
1021 const AudioMixer::BusLevel &level = bus_levels[bus_index];
1022 Ui::AudioMiniView *miniview = audio_miniviews[bus_index];
1023 miniview->peak_meter->set_level(
1024 level.current_level_dbfs[0], level.current_level_dbfs[1]);
1025 miniview->peak_meter->set_peak(
1026 level.peak_level_dbfs[0], level.peak_level_dbfs[1]);
1027 set_peak_label(miniview->peak_display_label, level.historic_peak_dbfs);
1029 Ui::AudioExpandedView *view = audio_expanded_views[bus_index];
1030 view->peak_meter->set_level(
1031 level.current_level_dbfs[0], level.current_level_dbfs[1]);
1032 view->peak_meter->set_peak(
1033 level.peak_level_dbfs[0], level.peak_level_dbfs[1]);
1034 view->reduction_meter->set_reduction_db(level.compressor_attenuation_db);
1035 view->gainstaging_knob->blockSignals(true);
1036 view->gainstaging_knob->setValue(lrintf(level.gain_staging_db * 10.0f));
1037 view->gainstaging_knob->blockSignals(false);
1038 view->gainstaging_db_display->setText(
1040 QString::fromStdString(format_db(level.gain_staging_db, DB_WITH_SIGN)));
1041 set_peak_label(view->peak_display_label, level.historic_peak_dbfs);
1043 midi_mapper.set_has_peaked(bus_index, level.historic_peak_dbfs >= -0.1f);
1046 ui->lra_meter->set_levels(global_level_lufs, range_low_lufs, range_high_lufs);
1047 ui->correlation_meter->set_correlation(correlation);
1049 ui->peak_display->setText(QString::fromStdString(format_db(peak_db, DB_BARE)));
1050 set_peak_label(ui->peak_display, peak_db);
1052 // NOTE: Will be invisible when using multitrack audio.
1053 if (!bus_levels.empty()) {
1054 ui->gainstaging_knob->blockSignals(true);
1055 ui->gainstaging_knob->setValue(lrintf(bus_levels[0].gain_staging_db * 10.0f));
1056 ui->gainstaging_knob->blockSignals(false);
1057 ui->gainstaging_db_display->setText(
1058 QString::fromStdString(format_db(bus_levels[0].gain_staging_db, DB_WITH_SIGN)));
1061 ui->makeup_gain_knob->blockSignals(true);
1062 ui->makeup_gain_knob->setValue(lrintf(final_makeup_gain_db * 10.0f));
1063 ui->makeup_gain_knob->blockSignals(false);
1064 ui->makeup_gain_db_display->setText(
1065 QString::fromStdString(format_db(final_makeup_gain_db, DB_WITH_SIGN)));
1066 ui->makeup_gain_db_display_2->setText(
1067 QString::fromStdString(format_db(final_makeup_gain_db, DB_WITH_SIGN)));
1069 // Peak labels could have changed.
1070 midi_mapper.refresh_lights();
1074 void MainWindow::relayout()
1076 int height = ui->vertical_layout->geometry().height();
1078 // Seemingly this can happen and must be ignored.
1082 double remaining_height = height;
1084 // Allocate the height; the most important part is to keep the main displays
1085 // at the right aspect if at all possible.
1086 double me_width = ui->me_preview->width();
1087 double me_height = me_width * double(global_flags.height) / double(global_flags.width) + ui->label_preview->height() + ui->preview_vertical_layout->spacing();
1089 // TODO: Scale the widths when we need to do this.
1090 if (me_height / double(height) > 0.8) {
1091 me_height = height * 0.8;
1093 remaining_height -= me_height + ui->vertical_layout->spacing();
1095 // Space between the M/E displays and the audio strip.
1096 remaining_height -= ui->vertical_layout->spacing();
1098 // The label above the audio strip.
1099 double compact_label_height = ui->compact_label->minimumHeight() +
1100 ui->compact_audio_layout->spacing();
1101 remaining_height -= compact_label_height;
1103 // The previews will be constrained by the remaining height, and the width.
1104 double preview_label_height = previews[0]->label->minimumSize().height() +
1105 previews[0]->main_vertical_layout->spacing();
1106 int preview_total_width = ui->preview_displays->geometry().width() - (previews.size() - 1) * ui->preview_displays->spacing();
1107 double preview_height = min(remaining_height - preview_label_height, (preview_total_width / double(previews.size())) * double(global_flags.height) / double(global_flags.width));
1108 remaining_height -= preview_height + preview_label_height + ui->vertical_layout->spacing();
1110 ui->vertical_layout->setStretch(0, lrintf(me_height));
1111 ui->vertical_layout->setStretch(1,
1112 lrintf(compact_label_height) +
1113 lrintf(remaining_height) +
1114 lrintf(preview_height + preview_label_height)); // Audio strip and previews together.
1116 ui->compact_audio_layout->setStretch(0, lrintf(compact_label_height));
1117 ui->compact_audio_layout->setStretch(1, lrintf(remaining_height)); // Audio strip.
1118 ui->compact_audio_layout->setStretch(2, lrintf(preview_height + preview_label_height));
1120 if (current_audio_view == 0) { // Compact audio view.
1121 // Set the widths for the previews.
1122 double preview_width = preview_height * double(global_flags.width) / double(global_flags.height);
1123 for (unsigned i = 0; i < previews.size(); ++i) {
1124 ui->preview_displays->setStretch(i, lrintf(preview_width));
1127 // The preview horizontal spacer.
1128 double remaining_preview_width = preview_total_width - previews.size() * preview_width;
1129 ui->preview_displays->setStretch(previews.size(), lrintf(remaining_preview_width));
1130 } else if (current_audio_view == 2) { // Video grid view.
1131 // QGridLayout doesn't do it for us, since we need to be able to remove rows
1132 // or columns as the grid changes, and it won't do that. Thus, position everything
1134 constexpr int spacing = 6;
1135 int grid_width = ui->preview_displays_grid->geometry().width();
1136 int grid_height = ui->preview_displays_grid->geometry().height();
1137 int best_preview_width = 0;
1138 unsigned best_num_rows = 1, best_num_cols = 1;
1139 for (unsigned num_rows = 1; num_rows <= previews.size(); ++num_rows) {
1140 int num_cols = (previews.size() + num_rows - 1) / num_rows;
1142 int max_preview_height = (grid_height - spacing * (num_rows - 1)) / num_rows - preview_label_height;
1143 int max_preview_width = (grid_width - spacing * (num_cols - 1)) / num_cols;
1144 int preview_width = std::min<int>(max_preview_width, max_preview_height * double(global_flags.width) / double(global_flags.height));
1146 if (preview_width > best_preview_width) {
1147 best_preview_width = preview_width;
1148 best_num_rows = num_rows;
1149 best_num_cols = num_cols;
1153 double cell_height = lrintf(best_preview_width * double(global_flags.height) / double(global_flags.width)) + preview_label_height;
1154 remaining_height = grid_height - best_num_rows * cell_height - (best_num_rows - 1) * spacing;
1155 int cell_width = best_preview_width;
1156 int remaining_width = grid_width - best_num_cols * cell_width - (best_num_cols - 1) * spacing;
1158 for (unsigned i = 0; i < previews.size(); ++i) {
1159 int col_idx = i % best_num_cols;
1160 int row_idx = i / best_num_cols;
1162 double top = remaining_height * 0.5f + row_idx * (cell_height + spacing);
1163 double bottom = top + cell_height;
1164 double left = remaining_width * 0.5f + col_idx * (cell_width + spacing);
1165 double right = left + cell_width;
1168 rect.setTop(lrintf(top));
1169 rect.setBottom(lrintf(bottom));
1170 rect.setLeft(lrintf(left));
1171 rect.setRight(lrintf(right));
1173 QWidget *display = static_cast<QWidget *>(previews[i]->frame->parent());
1174 display->setGeometry(rect);
1180 void MainWindow::set_locut(float value)
1182 set_relative_value(ui->locut_cutoff_knob, value);
1185 void MainWindow::set_limiter_threshold(float value)
1187 set_relative_value(ui->limiter_threshold_knob, value);
1190 void MainWindow::set_makeup_gain(float value)
1192 set_relative_value(ui->makeup_gain_knob, value);
1195 void MainWindow::set_stereo_width(unsigned bus_idx, float value)
1197 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::stereo_width_knob, value);
1200 void MainWindow::set_treble(unsigned bus_idx, float value)
1202 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::treble_knob, value);
1205 void MainWindow::set_eq_absolute(unsigned bus_idx, EQBand eq_band, float value_db)
1207 if (eq_band == EQ_BAND_TREBLE) {
1208 set_db_value_if_exists(bus_idx, &Ui::AudioExpandedView::treble_knob, value_db);
1209 } else if (eq_band == EQ_BAND_MID) {
1210 set_db_value_if_exists(bus_idx, &Ui::AudioExpandedView::mid_knob, value_db);
1211 } else if (eq_band == EQ_BAND_BASS) {
1212 set_db_value_if_exists(bus_idx, &Ui::AudioExpandedView::bass_knob, value_db);
1218 void MainWindow::set_mid(unsigned bus_idx, float value)
1220 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::mid_knob, value);
1223 void MainWindow::set_bass(unsigned bus_idx, float value)
1225 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::bass_knob, value);
1228 void MainWindow::set_gain(unsigned bus_idx, float value)
1230 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_knob, value);
1233 void MainWindow::set_compressor_threshold(unsigned bus_idx, float value)
1235 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_threshold_knob, value);
1238 void MainWindow::set_fader(unsigned bus_idx, float value)
1240 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::fader, value);
1243 void MainWindow::set_fader_absolute(unsigned bus_idx, float value_db)
1245 if (global_audio_mixer != nullptr &&
1246 global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL &&
1247 bus_idx < audio_expanded_views.size()) {
1248 audio_expanded_views[bus_idx]->fader->setDbValue(value_db);
1252 void MainWindow::toggle_mute(unsigned bus_idx)
1254 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::mute_button);
1257 void MainWindow::toggle_locut(unsigned bus_idx)
1259 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::locut_enabled);
1262 void MainWindow::toggle_auto_gain_staging(unsigned bus_idx)
1264 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_auto_checkbox);
1267 void MainWindow::toggle_compressor(unsigned bus_idx)
1269 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_enabled);
1272 void MainWindow::clear_peak(unsigned bus_idx)
1274 post_to_main_thread([=]{
1275 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
1276 global_audio_mixer->reset_peak(bus_idx);
1277 midi_mapper.set_has_peaked(bus_idx, false);
1278 midi_mapper.refresh_lights();
1283 void MainWindow::clear_all_highlights()
1285 post_to_main_thread([this]{
1286 highlight_locut(false);
1287 highlight_limiter_threshold(false);
1288 highlight_makeup_gain(false);
1289 highlight_toggle_limiter(false);
1290 highlight_toggle_auto_makeup_gain(false);
1291 for (unsigned bus_idx = 0; bus_idx < audio_expanded_views.size(); ++bus_idx) {
1292 highlight_treble(bus_idx, false);
1293 highlight_mid(bus_idx, false);
1294 highlight_bass(bus_idx, false);
1295 highlight_gain(bus_idx, false);
1296 highlight_compressor_threshold(bus_idx, false);
1297 highlight_fader(bus_idx, false);
1298 highlight_mute(bus_idx, false);
1299 highlight_toggle_locut(bus_idx, false);
1300 highlight_toggle_auto_gain_staging(bus_idx, false);
1301 highlight_toggle_compressor(bus_idx, false);
1306 void MainWindow::toggle_limiter()
1308 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
1309 ui->limiter_enabled->click();
1313 void MainWindow::toggle_auto_makeup_gain()
1315 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
1316 ui->makeup_gain_auto_checkbox->click();
1320 void MainWindow::switch_video_channel(int channel_number)
1322 global_mixer->channel_clicked(channel_number);
1325 void MainWindow::apply_transition(int transition_number)
1327 global_mixer->transition_clicked(transition_number);
1330 void MainWindow::prev_audio_view()
1332 post_to_main_thread([this]{
1337 void MainWindow::next_audio_view()
1339 post_to_main_thread([this]{
1344 void MainWindow::begin_new_segment()
1346 global_mixer->schedule_cut();
1349 void MainWindow::exit()
1351 post_to_main_thread([this]{
1356 void MainWindow::highlight_locut(bool highlight)
1358 post_to_main_thread([this, highlight]{
1359 highlight_control(ui->locut_cutoff_knob, highlight);
1360 highlight_control(ui->locut_cutoff_knob_2, highlight);
1364 void MainWindow::highlight_limiter_threshold(bool highlight)
1366 post_to_main_thread([this, highlight]{
1367 highlight_control(ui->limiter_threshold_knob, highlight);
1368 highlight_control(ui->limiter_threshold_knob_2, highlight);
1372 void MainWindow::highlight_makeup_gain(bool highlight)
1374 post_to_main_thread([this, highlight]{
1375 highlight_control(ui->makeup_gain_knob, highlight);
1376 highlight_control(ui->makeup_gain_knob_2, highlight);
1380 void MainWindow::highlight_stereo_width(unsigned bus_idx, bool highlight)
1382 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::stereo_width_knob, highlight);
1385 void MainWindow::highlight_treble(unsigned bus_idx, bool highlight)
1387 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::treble_knob, highlight);
1390 void MainWindow::highlight_mid(unsigned bus_idx, bool highlight)
1392 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::mid_knob, highlight);
1395 void MainWindow::highlight_bass(unsigned bus_idx, bool highlight)
1397 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::bass_knob, highlight);
1400 void MainWindow::highlight_gain(unsigned bus_idx, bool highlight)
1402 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_knob, highlight);
1405 void MainWindow::highlight_compressor_threshold(unsigned bus_idx, bool highlight)
1407 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_threshold_knob, highlight);
1410 void MainWindow::highlight_fader(unsigned bus_idx, bool highlight)
1412 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::fader, highlight);
1415 void MainWindow::highlight_mute(unsigned bus_idx, bool highlight)
1417 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::mute_button, highlight, /*is_mute_btton=*/true);
1420 void MainWindow::highlight_toggle_locut(unsigned bus_idx, bool highlight)
1422 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::locut_enabled, highlight);
1425 void MainWindow::highlight_toggle_auto_gain_staging(unsigned bus_idx, bool highlight)
1427 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_auto_checkbox, highlight);
1430 void MainWindow::highlight_toggle_compressor(unsigned bus_idx, bool highlight)
1432 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_enabled, highlight);
1435 void MainWindow::highlight_toggle_limiter(bool highlight)
1437 post_to_main_thread([this, highlight]{
1438 highlight_control(ui->limiter_enabled, highlight);
1439 highlight_control(ui->limiter_enabled_2, highlight);
1443 void MainWindow::highlight_toggle_auto_makeup_gain(bool highlight)
1445 post_to_main_thread([this, highlight]{
1446 highlight_control(ui->makeup_gain_auto_checkbox, highlight);
1447 highlight_control(ui->makeup_gain_auto_checkbox_2, highlight);
1452 void MainWindow::set_relative_value(T *control, float value)
1454 post_to_main_thread([control, value]{
1455 control->setValue(lrintf(control->minimum() + value * (control->maximum() - control->minimum())));
1460 void MainWindow::set_relative_value_if_exists(unsigned bus_idx, T *(Ui_AudioExpandedView::*control), float value)
1462 if (global_audio_mixer != nullptr &&
1463 global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL &&
1464 bus_idx < audio_expanded_views.size()) {
1465 set_relative_value(audio_expanded_views[bus_idx]->*control, value);
1469 void MainWindow::set_db_value_if_exists(unsigned bus_idx, QDial *(Ui_AudioExpandedView::*control), float value_db)
1471 post_to_main_thread([this, bus_idx, control, value_db]{
1472 if (global_audio_mixer != nullptr &&
1473 global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL &&
1474 bus_idx < audio_expanded_views.size()) {
1475 int value = lrintf(value_db * 10.0f);
1476 (audio_expanded_views[bus_idx]->*control)->setValue(value);
1482 void MainWindow::click_button_if_exists(unsigned bus_idx, T *(Ui_AudioExpandedView::*control))
1484 post_to_main_thread([this, bus_idx, control]{
1485 if (global_audio_mixer != nullptr &&
1486 global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL &&
1487 bus_idx < audio_expanded_views.size()) {
1488 (audio_expanded_views[bus_idx]->*control)->click();
1494 void MainWindow::highlight_control(T *control, bool highlight)
1496 if (control == nullptr) {
1499 if (global_audio_mixer == nullptr ||
1500 global_audio_mixer->get_mapping_mode() != AudioMixer::MappingMode::MULTICHANNEL) {
1504 control->setStyleSheet("background: rgb(0,255,0,80)");
1506 control->setStyleSheet("");
1511 void MainWindow::highlight_mute_control(T *control, bool highlight)
1513 if (control == nullptr) {
1516 if (global_audio_mixer == nullptr ||
1517 global_audio_mixer->get_mapping_mode() != AudioMixer::MappingMode::MULTICHANNEL) {
1521 control->setStyleSheet("QPushButton { background: rgb(0,255,0,80); } QPushButton:checked { background: rgba(255,80,0,140); }");
1523 control->setStyleSheet("QPushButton:checked { background: rgba(255,0,0,80); }");
1528 void MainWindow::highlight_control_if_exists(unsigned bus_idx, T *(Ui_AudioExpandedView::*control), bool highlight, bool is_mute_button)
1530 post_to_main_thread([this, bus_idx, control, highlight, is_mute_button]{
1531 if (bus_idx < audio_expanded_views.size()) {
1532 if (is_mute_button) {
1533 highlight_mute_control(audio_expanded_views[bus_idx]->*control, highlight);
1535 highlight_control(audio_expanded_views[bus_idx]->*control, highlight);
1541 void MainWindow::set_transition_names(vector<string> transition_names)
1543 if (transition_names.size() < 1 || transition_names[0].empty()) {
1544 transition_btn1->setText(QString(""));
1546 transition_btn1->setText(QString::fromStdString(transition_names[0] + " (J)"));
1547 ui->transition_btn1->setShortcut(QKeySequence("J"));
1549 if (transition_names.size() < 2 || transition_names[1].empty()) {
1550 transition_btn2->setText(QString(""));
1552 transition_btn2->setText(QString::fromStdString(transition_names[1] + " (K)"));
1553 ui->transition_btn2->setShortcut(QKeySequence("K"));
1555 if (transition_names.size() < 3 || transition_names[2].empty()) {
1556 transition_btn3->setText(QString(""));
1558 transition_btn3->setText(QString::fromStdString(transition_names[2] + " (L)"));
1559 ui->transition_btn3->setShortcut(QKeySequence("L"));
1563 void MainWindow::update_channel_name(Mixer::Output output, const string &name)
1565 if (output == Mixer::OUTPUT_LIVE) {
1566 ui->label_live->setText(name.c_str());
1567 } else if (output == Mixer::OUTPUT_PREVIEW) {
1568 ui->label_preview->setText(name.c_str());
1569 } else if (output >= Mixer::OUTPUT_INPUT0) {
1570 unsigned channel = output - Mixer::OUTPUT_INPUT0;
1571 previews[channel]->label->setText(name.c_str());
1574 analyzer->update_channel_name(output, name);
1577 void MainWindow::update_channel_color(Mixer::Output output, const string &color)
1579 if (output >= Mixer::OUTPUT_INPUT0) {
1580 unsigned channel = output - Mixer::OUTPUT_INPUT0;
1581 previews[channel]->frame->setStyleSheet(QString::fromStdString("background-color:" + color));
1585 void MainWindow::transition_clicked(int transition_number)
1587 global_mixer->transition_clicked(transition_number);
1590 void MainWindow::channel_clicked(int channel_number)
1592 if (current_wb_pick_display == channel_number) {
1593 // The picking was already done from eventFilter(), since we don't get
1594 // the mouse pointer here.
1596 global_mixer->channel_clicked(channel_number);
1600 void MainWindow::quick_cut_activated(int channel_number)
1602 if (!global_flags.enable_quick_cut_keys) {
1605 global_mixer->channel_clicked(channel_number);
1606 global_mixer->transition_clicked(0);
1609 void MainWindow::wb_button_clicked(int channel_number)
1611 current_wb_pick_display = channel_number;
1612 QApplication::setOverrideCursor(Qt::CrossCursor);
1615 void MainWindow::audio_view_changed(int audio_view)
1617 if (audio_view == current_audio_view) {
1621 if (audio_view == 0) {
1622 // Compact audio view. (1, full audio view, has no video previews.)
1623 for (unsigned i = 0; i < previews.size(); ++i) {
1624 QWidget *display = static_cast<QWidget *>(previews[i]->frame->parent());
1625 ui->preview_displays->insertWidget(i, display, 1);
1627 } else if (audio_view == 2) {
1628 // Video grid display.
1629 for (unsigned i = 0; i < previews.size(); ++i) {
1630 QWidget *display = static_cast<QWidget *>(previews[i]->frame->parent());
1631 display->setParent(ui->preview_displays_grid);
1636 current_audio_view = audio_view;
1638 // Ask for a relayout, but only after the event loop is done doing relayout
1639 // on everything else.
1640 QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
1643 bool MainWindow::eventFilter(QObject *watched, QEvent *event)
1645 if (current_wb_pick_display != -1 &&
1646 event->type() == QEvent::MouseButtonRelease &&
1647 watched->isWidgetType()) {
1648 QApplication::restoreOverrideCursor();
1649 if (watched == previews[current_wb_pick_display]->display) {
1650 const QMouseEvent *mouse_event = (QMouseEvent *)event;
1651 previews[current_wb_pick_display]->display->grab_white_balance(
1652 current_wb_pick_display,
1653 mouse_event->x(), mouse_event->y());
1655 // The user clicked on something else, give up.
1656 // (The click goes through, which might not be ideal, but, yes.)
1657 current_wb_pick_display = -1;
1663 void MainWindow::closeEvent(QCloseEvent *event)
1665 if (global_mixer->get_num_connected_clients() > 0) {
1666 QMessageBox::StandardButton reply =
1667 QMessageBox::question(this, "Nageru", "There are clients connected. Do you really want to quit?",
1668 QMessageBox::Yes | QMessageBox::No);
1669 if (reply != QMessageBox::Yes) {
1676 global_mixer->quit();
1677 mixer_shutting_down();
1681 void MainWindow::audio_state_changed()
1683 post_to_main_thread([this]{
1684 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
1687 InputMapping mapping = global_audio_mixer->get_input_mapping();
1688 for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) {
1689 string label = get_bus_desc_label(mapping.buses[bus_index]);
1690 audio_miniviews[bus_index]->bus_desc_label->setFullText(
1691 QString::fromStdString(label));
1692 audio_expanded_views[bus_index]->bus_desc_label->setFullText(
1693 QString::fromStdString(label));