1 #include "mainwindow.h"
8 #include <QAbstractButton>
9 #include <QAbstractSlider>
11 #include <QActionGroup>
12 #include <QApplication>
15 #include <QDesktopServices>
22 #include <QInputDialog>
23 #include <QKeySequence>
25 #include <QLayoutItem>
27 #include <QMessageBox>
28 #include <QMouseEvent>
30 #include <QPushButton>
34 #include <QStackedWidget>
35 #include <QToolButton>
47 #include "aboutdialog.h"
48 #include "alsa_pool.h"
50 #include "clickable_label.h"
51 #include "context_menus.h"
52 #include "correlation_meter.h"
53 #include "disk_space_estimator.h"
54 #include "ellipsis_label.h"
57 #include "input_mapping.h"
58 #include "input_mapping_dialog.h"
60 #include "midi_mapping.pb.h"
61 #include "midi_mapping_dialog.h"
63 #include "nonlinear_fader.h"
64 #include "post_to_main_thread.h"
65 #include "ui_audio_expanded_view.h"
66 #include "ui_audio_miniview.h"
67 #include "ui_display.h"
68 #include "ui_mainwindow.h"
72 using namespace std::chrono;
73 using namespace std::placeholders;
75 Q_DECLARE_METATYPE(std::string);
76 Q_DECLARE_METATYPE(std::vector<std::string>);
78 MainWindow *global_mainwindow = nullptr;
80 // -0.1 dBFS is EBU peak limit. We use it consistently, even for the bus meters
81 // (which don't calculate interpolate peak, and in general don't follow EBU recommendations).
82 constexpr float peak_limit_dbfs = -0.1f;
86 void schedule_cut_signal(int ignored)
88 global_mixer->schedule_cut();
91 void quit_signal(int ignored)
93 global_mainwindow->close();
96 void slave_knob(QDial *master, QDial *slave)
98 QWidget::connect(master, &QDial::valueChanged, [slave](int value){
99 slave->blockSignals(true);
100 slave->setValue(value);
101 slave->blockSignals(false);
103 QWidget::connect(slave, &QDial::valueChanged, [master](int value){
104 master->setValue(value);
108 void slave_checkbox(QCheckBox *master, QCheckBox *slave)
110 QWidget::connect(master, &QCheckBox::stateChanged, [slave](int state){
111 slave->blockSignals(true);
112 slave->setCheckState(Qt::CheckState(state));
113 slave->blockSignals(false);
115 QWidget::connect(slave, &QCheckBox::stateChanged, [master](int state){
116 master->setCheckState(Qt::CheckState(state));
120 void slave_fader(NonLinearFader *master, NonLinearFader *slave)
122 QWidget::connect(master, &NonLinearFader::dbValueChanged, [slave](double value) {
123 slave->blockSignals(true);
124 slave->setDbValue(value);
125 slave->blockSignals(false);
127 QWidget::connect(slave, &NonLinearFader::dbValueChanged, [master](double value){
128 master->setDbValue(value);
132 constexpr unsigned DB_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("");
180 MainWindow::MainWindow()
181 : ui(new Ui::MainWindow), midi_mapper(this)
183 global_mainwindow = this;
186 global_disk_space_estimator = new DiskSpaceEstimator(bind(&MainWindow::report_disk_space, this, _1, _2));
187 disk_free_label = new QLabel(this);
188 disk_free_label->setStyleSheet("QLabel {padding-right: 5px;}");
189 ui->menuBar->setCornerWidget(disk_free_label);
191 QActionGroup *audio_mapping_group = new QActionGroup(this);
192 ui->simple_audio_mode->setActionGroup(audio_mapping_group);
193 ui->multichannel_audio_mode->setActionGroup(audio_mapping_group);
195 ui->me_live->set_output(Mixer::OUTPUT_LIVE);
196 ui->me_preview->set_output(Mixer::OUTPUT_PREVIEW);
199 connect(ui->cut_action, &QAction::triggered, this, &MainWindow::cut_triggered);
200 connect(ui->exit_action, &QAction::triggered, this, &MainWindow::exit_triggered);
201 connect(ui->manual_action, &QAction::triggered, this, &MainWindow::manual_triggered);
202 connect(ui->about_action, &QAction::triggered, this, &MainWindow::about_triggered);
203 connect(ui->open_analyzer_action, &QAction::triggered, this, &MainWindow::open_analyzer_triggered);
204 connect(ui->simple_audio_mode, &QAction::triggered, this, &MainWindow::simple_audio_mode_triggered);
205 connect(ui->multichannel_audio_mode, &QAction::triggered, this, &MainWindow::multichannel_audio_mode_triggered);
206 connect(ui->input_mapping_action, &QAction::triggered, this, &MainWindow::input_mapping_triggered);
207 connect(ui->midi_mapping_action, &QAction::triggered, this, &MainWindow::midi_mapping_triggered);
208 connect(ui->timecode_stream_action, &QAction::triggered, this, &MainWindow::timecode_stream_triggered);
209 connect(ui->timecode_stdout_action, &QAction::triggered, this, &MainWindow::timecode_stdout_triggered);
211 ui->timecode_stream_action->setChecked(global_flags.display_timecode_in_stream);
212 ui->timecode_stdout_action->setChecked(global_flags.display_timecode_on_stdout);
214 if (global_flags.x264_video_to_http && isinf(global_flags.x264_crf)) {
215 connect(ui->x264_bitrate_action, &QAction::triggered, this, &MainWindow::x264_bitrate_triggered);
217 ui->x264_bitrate_action->setEnabled(false);
220 connect(ui->video_menu, &QMenu::aboutToShow, [this]{
221 fill_hdmi_sdi_output_device_menu(ui->hdmi_sdi_output_device_menu);
222 fill_hdmi_sdi_output_resolution_menu(ui->hdmi_sdi_output_resolution_menu);
225 // Hook up the transition buttons. (Keyboard shortcuts are set in set_transition_names().)
226 // TODO: Make them dynamic.
227 connect(ui->transition_btn1, &QPushButton::clicked, bind(&MainWindow::transition_clicked, this, 0));
228 connect(ui->transition_btn2, &QPushButton::clicked, bind(&MainWindow::transition_clicked, this, 1));
229 connect(ui->transition_btn3, &QPushButton::clicked, bind(&MainWindow::transition_clicked, this, 2));
232 transition_btn1 = ui->transition_btn1;
233 transition_btn2 = ui->transition_btn2;
234 transition_btn3 = ui->transition_btn3;
235 qRegisterMetaType<string>("std::string");
236 qRegisterMetaType<vector<string>>("std::vector<std::string>");
237 connect(ui->me_live, &GLWidget::transition_names_updated, this, &MainWindow::set_transition_names);
238 qRegisterMetaType<Mixer::Output>("Mixer::Output");
240 // Hook up the prev/next buttons on the audio views.
241 auto prev_page = [this]{
242 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
243 ui->audio_views->setCurrentIndex((ui->audio_views->currentIndex() + 2) % 3);
245 ui->audio_views->setCurrentIndex(2 - ui->audio_views->currentIndex()); // Switch between 0 and 2.
248 auto next_page = [this]{
249 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
250 ui->audio_views->setCurrentIndex((ui->audio_views->currentIndex() + 1) % 3);
252 ui->audio_views->setCurrentIndex(2 - ui->audio_views->currentIndex()); // Switch between 0 and 2.
255 connect(ui->compact_prev_page, &QAbstractButton::clicked, prev_page);
256 connect(ui->compact_next_page, &QAbstractButton::clicked, next_page);
257 connect(ui->full_prev_page, &QAbstractButton::clicked, prev_page);
258 connect(ui->full_next_page, &QAbstractButton::clicked, next_page);
259 connect(ui->video_grid_prev_page, &QAbstractButton::clicked, prev_page);
260 connect(ui->video_grid_next_page, &QAbstractButton::clicked, next_page);
262 // And bind the same to PgUp/PgDown.
263 connect(new QShortcut(QKeySequence::MoveToNextPage, this), &QShortcut::activated, next_page);
264 connect(new QShortcut(QKeySequence::MoveToPreviousPage, this), &QShortcut::activated, prev_page);
266 // When the audio view changes, move the previews.
267 connect(ui->audio_views, &QStackedWidget::currentChanged, bind(&MainWindow::audio_view_changed, this, _1));
269 if (global_flags.enable_quick_cut_keys) {
270 ui->quick_cut_enable_action->setChecked(true);
272 connect(ui->quick_cut_enable_action, &QAction::changed, [this](){
273 global_flags.enable_quick_cut_keys = ui->quick_cut_enable_action->isChecked();
276 last_audio_level_callback = steady_clock::now() - seconds(1);
278 if (!global_flags.midi_mapping_filename.empty()) {
279 MIDIMappingProto midi_mapping;
280 if (!load_midi_mapping_from_file(global_flags.midi_mapping_filename, &midi_mapping)) {
281 fprintf(stderr, "Couldn't load MIDI mapping '%s'; exiting.\n",
282 global_flags.midi_mapping_filename.c_str());
285 midi_mapper.set_midi_mapping(midi_mapping);
287 midi_mapper.refresh_highlights();
288 midi_mapper.refresh_lights();
291 void MainWindow::resizeEvent(QResizeEvent* event)
293 QMainWindow::resizeEvent(event);
295 // Ask for a relayout, but only after the event loop is done doing relayout
296 // on everything else.
297 QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
300 void MainWindow::mixer_created(Mixer *mixer)
302 // Make the previews.
303 unsigned num_previews = mixer->get_num_channels();
305 const char qwerty[] = "QWERTYUIOP";
306 for (unsigned i = 0; i < num_previews; ++i) {
307 Mixer::Output output = Mixer::Output(Mixer::OUTPUT_INPUT0 + i);
309 QWidget *preview = new QWidget(this); // Will be connected to a layout immediately after the loop.
310 Ui::Display *ui_display = new Ui::Display;
311 ui_display->setupUi(preview);
312 ui_display->label->setText(mixer->get_channel_name(output).c_str());
313 ui_display->display->set_output(output);
314 previews.push_back(ui_display);
316 // Hook up the click.
317 connect(ui_display->display, &GLWidget::clicked, bind(&MainWindow::channel_clicked, this, i));
319 // Let the theme update the text whenever the resolution or color changed.
320 connect(ui_display->display, &GLWidget::name_updated, this, &MainWindow::update_channel_name);
321 connect(ui_display->display, &GLWidget::color_updated, this, &MainWindow::update_channel_color);
323 // Hook up the keyboard key.
324 QShortcut *shortcut = new QShortcut(QKeySequence(Qt::Key_1 + i), this);
325 connect(shortcut, &QShortcut::activated, bind(&MainWindow::channel_clicked, this, i));
327 // Hook up the quick-cut key.
328 if (i < strlen(qwerty)) {
329 QShortcut *shortcut = new QShortcut(QKeySequence(qwerty[i]), this);
330 connect(shortcut, &QShortcut::activated, bind(&MainWindow::quick_cut_activated, this, i));
333 // Hook up the white balance button (irrelevant if invisible).
334 ui_display->wb_button->setVisible(mixer->get_supports_set_wb(output));
335 connect(ui_display->wb_button, &QPushButton::clicked, bind(&MainWindow::wb_button_clicked, this, i));
338 // Connect the previews to the correct layout.
339 audio_view_changed(ui->audio_views->currentIndex());
341 global_audio_mixer->set_state_changed_callback(bind(&MainWindow::audio_state_changed, this));
343 slave_knob(ui->locut_cutoff_knob, ui->locut_cutoff_knob_2);
344 slave_knob(ui->limiter_threshold_knob, ui->limiter_threshold_knob_2);
345 slave_knob(ui->makeup_gain_knob, ui->makeup_gain_knob_2);
346 slave_checkbox(ui->makeup_gain_auto_checkbox, ui->makeup_gain_auto_checkbox_2);
347 slave_checkbox(ui->limiter_enabled, ui->limiter_enabled_2);
349 reset_audio_mapping_ui();
351 // TODO: Fetch all of the values these for completeness,
352 // not just the enable knobs implied by flags.
353 ui->limiter_enabled->setChecked(global_audio_mixer->get_limiter_enabled());
354 ui->makeup_gain_auto_checkbox->setChecked(global_audio_mixer->get_final_makeup_gain_auto());
356 // Controls used only for simple audio fetch their state from the first bus.
357 constexpr unsigned simple_bus_index = 0;
358 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
359 ui->locut_enabled->setChecked(global_audio_mixer->get_locut_enabled(simple_bus_index));
360 ui->gainstaging_knob->setValue(global_audio_mixer->get_gain_staging_db(simple_bus_index));
361 ui->gainstaging_auto_checkbox->setChecked(global_audio_mixer->get_gain_staging_auto(simple_bus_index));
362 ui->compressor_enabled->setChecked(global_audio_mixer->get_compressor_enabled(simple_bus_index));
363 ui->compressor_threshold_db_display->setText(
364 QString::fromStdString(format_db(mixer->get_audio_mixer()->get_compressor_threshold_dbfs(simple_bus_index), DB_WITH_SIGN)));
366 connect(ui->locut_enabled, &QCheckBox::stateChanged, [this](int state){
367 global_audio_mixer->set_locut_enabled(simple_bus_index, state == Qt::Checked);
368 midi_mapper.refresh_lights();
370 connect(ui->gainstaging_knob, &QAbstractSlider::valueChanged,
371 bind(&MainWindow::gain_staging_knob_changed, this, simple_bus_index, _1));
372 connect(ui->gainstaging_auto_checkbox, &QCheckBox::stateChanged, [this](int state){
373 global_audio_mixer->set_gain_staging_auto(simple_bus_index, state == Qt::Checked);
374 midi_mapper.refresh_lights();
376 connect(ui->compressor_threshold_knob, &QDial::valueChanged,
377 bind(&MainWindow::compressor_threshold_knob_changed, this, simple_bus_index, _1));
378 connect(ui->compressor_enabled, &QCheckBox::stateChanged, [this](int state){
379 global_audio_mixer->set_compressor_enabled(simple_bus_index, state == Qt::Checked);
380 midi_mapper.refresh_lights();
383 // Global mastering controls.
384 QString limiter_threshold_label(
385 QString::fromStdString(format_db(mixer->get_audio_mixer()->get_limiter_threshold_dbfs(), DB_WITH_SIGN)));
386 ui->limiter_threshold_db_display->setText(limiter_threshold_label);
387 ui->limiter_threshold_db_display_2->setText(limiter_threshold_label);
389 connect(ui->locut_cutoff_knob, &QDial::valueChanged, this, &MainWindow::cutoff_knob_changed);
390 cutoff_knob_changed(ui->locut_cutoff_knob->value());
392 connect(ui->makeup_gain_knob, &QAbstractSlider::valueChanged, this, &MainWindow::final_makeup_gain_knob_changed);
393 connect(ui->makeup_gain_auto_checkbox, &QCheckBox::stateChanged, [this](int state){
394 global_audio_mixer->set_final_makeup_gain_auto(state == Qt::Checked);
395 midi_mapper.refresh_lights();
398 connect(ui->limiter_threshold_knob, &QDial::valueChanged, this, &MainWindow::limiter_threshold_knob_changed);
399 connect(ui->limiter_enabled, &QCheckBox::stateChanged, [this](int state){
400 global_audio_mixer->set_limiter_enabled(state == Qt::Checked);
401 midi_mapper.refresh_lights();
403 connect(ui->reset_meters_button, &QPushButton::clicked, this, &MainWindow::reset_meters_button_clicked);
404 // Even though we have a reset button right next to it, the fact that
405 // the expanded audio view labels are clickable makes it natural to
406 // click this one as well.
407 connect(ui->peak_display, &ClickableLabel::clicked, this, &MainWindow::reset_meters_button_clicked);
408 mixer->get_audio_mixer()->set_audio_level_callback(bind(&MainWindow::audio_level_callback, this, _1, _2, _3, _4, _5, _6, _7, _8));
410 midi_mapper.refresh_highlights();
411 midi_mapper.refresh_lights();
412 midi_mapper.start_thread();
414 analyzer.reset(new Analyzer);
416 global_mixer->set_theme_menu_callback(bind(&MainWindow::setup_theme_menu, this));
419 struct sigaction act;
420 memset(&act, 0, sizeof(act));
421 act.sa_handler = schedule_cut_signal;
422 act.sa_flags = SA_RESTART;
423 sigaction(SIGHUP, &act, nullptr);
425 // Mostly for debugging. Don't override SIGINT, that's so evil if
426 // shutdown isn't instant.
427 memset(&act, 0, sizeof(act));
428 act.sa_handler = quit_signal;
429 act.sa_flags = SA_RESTART;
430 sigaction(SIGUSR1, &act, nullptr);
433 void MainWindow::reset_audio_mapping_ui()
435 bool simple = (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE);
437 ui->simple_audio_mode->setChecked(simple);
438 ui->multichannel_audio_mode->setChecked(!simple);
439 ui->input_mapping_action->setEnabled(!simple);
440 ui->midi_mapping_action->setEnabled(!simple);
442 ui->locut_enabled->setVisible(simple);
443 ui->gainstaging_label->setVisible(simple);
444 ui->gainstaging_knob->setVisible(simple);
445 ui->gainstaging_db_display->setVisible(simple);
446 ui->gainstaging_auto_checkbox->setVisible(simple);
447 ui->compressor_threshold_label->setVisible(simple);
448 ui->compressor_threshold_knob->setVisible(simple);
449 ui->compressor_threshold_db_display->setVisible(simple);
450 ui->compressor_enabled->setVisible(simple);
452 setup_audio_miniview();
453 setup_audio_expanded_view();
456 ui->compact_label->setText("Compact audio view (1/2) ");
457 ui->video_grid_label->setText("Video grid display (2/2) ");
458 if (ui->audio_views->currentIndex() == 1) {
459 // Full audio view is not available in simple mode.
460 ui->audio_views->setCurrentIndex(0);
463 ui->compact_label->setText("Compact audio view (1/3) ");
464 ui->full_label->setText("Full audio view (2/3) ");
465 ui->video_grid_label->setText("Video grid display (3/3) ");
468 midi_mapper.refresh_highlights();
469 midi_mapper.refresh_lights();
472 void MainWindow::setup_audio_miniview()
474 // Remove any existing channels.
475 for (QLayoutItem *item; (item = ui->faders->takeAt(0)) != nullptr; ) {
476 delete item->widget();
479 audio_miniviews.clear();
481 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
485 // Set up brand new ones from the input mapping.
486 InputMapping mapping = global_audio_mixer->get_input_mapping();
487 audio_miniviews.resize(mapping.buses.size());
488 for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) {
489 QWidget *channel = new QWidget(this);
490 Ui::AudioMiniView *ui_audio_miniview = new Ui::AudioMiniView;
491 ui_audio_miniview->setupUi(channel);
492 ui_audio_miniview->bus_desc_label->setFullText(
493 QString::fromStdString(mapping.buses[bus_index].name));
494 audio_miniviews[bus_index] = ui_audio_miniview;
496 // Set up the peak meter.
497 VUMeter *peak_meter = ui_audio_miniview->peak_meter;
498 peak_meter->set_min_level(-30.0f);
499 peak_meter->set_max_level(0.0f);
500 peak_meter->set_ref_level(0.0f);
502 ui_audio_miniview->fader->setDbValue(global_audio_mixer->get_fader_volume(bus_index));
504 ui->faders->addWidget(channel);
506 connect(ui_audio_miniview->fader, &NonLinearFader::dbValueChanged,
507 bind(&MainWindow::mini_fader_changed, this, bus_index, _1));
508 connect(ui_audio_miniview->peak_display_label, &ClickableLabel::clicked,
510 global_audio_mixer->reset_peak(bus_index);
515 void MainWindow::setup_audio_expanded_view()
517 // Remove any existing channels.
518 for (QLayoutItem *item; (item = ui->buses->takeAt(0)) != nullptr; ) {
519 delete item->widget();
522 audio_expanded_views.clear();
524 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
528 // Set up brand new ones from the input mapping.
529 InputMapping mapping = global_audio_mixer->get_input_mapping();
530 audio_expanded_views.resize(mapping.buses.size());
531 for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) {
532 QWidget *channel = new QWidget(this);
533 Ui::AudioExpandedView *ui_audio_expanded_view = new Ui::AudioExpandedView;
534 ui_audio_expanded_view->setupUi(channel);
535 ui_audio_expanded_view->bus_desc_label->setFullText(
536 QString::fromStdString(mapping.buses[bus_index].name));
537 audio_expanded_views[bus_index] = ui_audio_expanded_view;
538 update_eq_label(bus_index, EQ_BAND_TREBLE, global_audio_mixer->get_eq(bus_index, EQ_BAND_TREBLE));
539 update_eq_label(bus_index, EQ_BAND_MID, global_audio_mixer->get_eq(bus_index, EQ_BAND_MID));
540 update_eq_label(bus_index, EQ_BAND_BASS, global_audio_mixer->get_eq(bus_index, EQ_BAND_BASS));
541 ui_audio_expanded_view->fader->setDbValue(global_audio_mixer->get_fader_volume(bus_index));
542 ui_audio_expanded_view->mute_button->setChecked(global_audio_mixer->get_mute(bus_index));
543 connect(ui_audio_expanded_view->mute_button, &QPushButton::toggled,
544 bind(&MainWindow::mute_button_toggled, this, bus_index, _1));
545 ui->buses->addWidget(channel);
547 ui_audio_expanded_view->locut_enabled->setChecked(global_audio_mixer->get_locut_enabled(bus_index));
548 connect(ui_audio_expanded_view->locut_enabled, &QCheckBox::stateChanged, [this, bus_index](int state){
549 global_audio_mixer->set_locut_enabled(bus_index, state == Qt::Checked);
550 midi_mapper.refresh_lights();
553 connect(ui_audio_expanded_view->treble_knob, &QDial::valueChanged,
554 bind(&MainWindow::eq_knob_changed, this, bus_index, EQ_BAND_TREBLE, _1));
555 connect(ui_audio_expanded_view->mid_knob, &QDial::valueChanged,
556 bind(&MainWindow::eq_knob_changed, this, bus_index, EQ_BAND_MID, _1));
557 connect(ui_audio_expanded_view->bass_knob, &QDial::valueChanged,
558 bind(&MainWindow::eq_knob_changed, this, bus_index, EQ_BAND_BASS, _1));
560 ui_audio_expanded_view->gainstaging_knob->setValue(global_audio_mixer->get_gain_staging_db(bus_index));
561 ui_audio_expanded_view->gainstaging_auto_checkbox->setChecked(global_audio_mixer->get_gain_staging_auto(bus_index));
562 ui_audio_expanded_view->compressor_enabled->setChecked(global_audio_mixer->get_compressor_enabled(bus_index));
564 connect(ui_audio_expanded_view->gainstaging_knob, &QAbstractSlider::valueChanged, bind(&MainWindow::gain_staging_knob_changed, this, bus_index, _1));
565 connect(ui_audio_expanded_view->gainstaging_auto_checkbox, &QCheckBox::stateChanged, [this, bus_index](int state){
566 global_audio_mixer->set_gain_staging_auto(bus_index, state == Qt::Checked);
567 midi_mapper.refresh_lights();
570 connect(ui_audio_expanded_view->compressor_threshold_knob, &QDial::valueChanged, bind(&MainWindow::compressor_threshold_knob_changed, this, bus_index, _1));
571 connect(ui_audio_expanded_view->compressor_enabled, &QCheckBox::stateChanged, [this, bus_index](int state){
572 global_audio_mixer->set_compressor_enabled(bus_index, state == Qt::Checked);
573 midi_mapper.refresh_lights();
576 slave_fader(audio_miniviews[bus_index]->fader, ui_audio_expanded_view->fader);
578 // Set up the peak meter.
579 VUMeter *peak_meter = ui_audio_expanded_view->peak_meter;
580 peak_meter->set_min_level(-30.0f);
581 peak_meter->set_max_level(0.0f);
582 peak_meter->set_ref_level(0.0f);
584 connect(ui_audio_expanded_view->peak_display_label, &ClickableLabel::clicked,
585 [this, bus_index]() {
586 global_audio_mixer->reset_peak(bus_index);
587 midi_mapper.refresh_lights();
591 update_cutoff_labels(global_audio_mixer->get_locut_cutoff());
594 void MainWindow::mixer_shutting_down()
596 ui->me_live->shutdown();
597 ui->me_preview->shutdown();
599 for (Ui::Display *display : previews) {
600 display->display->shutdown();
603 analyzer->mixer_shutting_down();
606 void MainWindow::cut_triggered()
608 global_mixer->schedule_cut();
611 void MainWindow::x264_bitrate_triggered()
614 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);
615 if (ok && new_bitrate >= 100 && new_bitrate <= 100000) {
616 global_flags.x264_bitrate = new_bitrate;
617 global_mixer->change_x264_bitrate(new_bitrate);
621 void MainWindow::exit_triggered()
626 void MainWindow::manual_triggered()
628 if (!QDesktopServices::openUrl(QUrl("https://nageru.sesse.net/doc/"))) {
630 msgbox.setText("Could not launch manual in web browser.\nPlease see https://nageru.sesse.net/doc/ manually.");
635 void MainWindow::about_triggered()
637 AboutDialog().exec();
640 void MainWindow::open_analyzer_triggered()
645 void MainWindow::simple_audio_mode_triggered()
647 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
650 unsigned card_index = global_audio_mixer->get_simple_input();
651 if (card_index == numeric_limits<unsigned>::max()) {
652 QMessageBox::StandardButton reply =
653 QMessageBox::question(this,
654 "Mapping too complex",
655 "The current audio mapping is too complicated to be representable in simple mode, "
656 "and will be discarded if you proceed. Really go to simple audio mode?",
657 QMessageBox::Yes | QMessageBox::No);
658 if (reply == QMessageBox::No) {
659 ui->simple_audio_mode->setChecked(false);
660 ui->multichannel_audio_mode->setChecked(true);
665 global_audio_mixer->set_simple_input(/*card_index=*/card_index);
666 reset_audio_mapping_ui();
669 void MainWindow::multichannel_audio_mode_triggered()
671 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
675 // Take the generated input mapping from the simple input,
676 // and set it as a normal multichannel mapping, which causes
677 // the mode to go to multichannel.
678 global_audio_mixer->set_input_mapping(global_audio_mixer->get_input_mapping());
679 reset_audio_mapping_ui();
682 void MainWindow::input_mapping_triggered()
684 if (InputMappingDialog().exec() == QDialog::Accepted) {
685 setup_audio_miniview();
686 setup_audio_expanded_view();
688 midi_mapper.refresh_highlights();
689 midi_mapper.refresh_lights();
692 void MainWindow::midi_mapping_triggered()
694 MIDIMappingDialog(&midi_mapper).exec();
697 void MainWindow::timecode_stream_triggered()
699 global_mixer->set_display_timecode_in_stream(ui->timecode_stream_action->isChecked());
702 void MainWindow::timecode_stdout_triggered()
704 global_mixer->set_display_timecode_on_stdout(ui->timecode_stdout_action->isChecked());
707 void MainWindow::gain_staging_knob_changed(unsigned bus_index, int value)
709 if (bus_index == 0) {
710 ui->gainstaging_auto_checkbox->setCheckState(Qt::Unchecked);
712 if (bus_index < audio_expanded_views.size()) {
713 audio_expanded_views[bus_index]->gainstaging_auto_checkbox->setCheckState(Qt::Unchecked);
716 float gain_db = value * 0.1f;
717 global_audio_mixer->set_gain_staging_db(bus_index, gain_db);
719 // The label will be updated by the audio level callback.
722 void MainWindow::final_makeup_gain_knob_changed(int value)
724 ui->makeup_gain_auto_checkbox->setCheckState(Qt::Unchecked);
726 float gain_db = value * 0.1f;
727 global_audio_mixer->set_final_makeup_gain_db(gain_db);
729 // The label will be updated by the audio level callback.
732 void MainWindow::cutoff_knob_changed(int value)
734 float octaves = value * 0.1f;
735 float cutoff_hz = 20.0 * pow(2.0, octaves);
736 global_audio_mixer->set_locut_cutoff(cutoff_hz);
737 update_cutoff_labels(cutoff_hz);
740 void MainWindow::update_cutoff_labels(float cutoff_hz)
743 snprintf(buf, sizeof(buf), "%ld Hz", lrintf(cutoff_hz));
744 ui->locut_cutoff_display->setText(buf);
745 ui->locut_cutoff_display_2->setText(buf);
747 for (unsigned bus_index = 0; bus_index < audio_expanded_views.size(); ++bus_index) {
748 audio_expanded_views[bus_index]->locut_enabled->setText(
749 QString("Lo-cut: ") + buf);
753 void MainWindow::report_disk_space(off_t free_bytes, double estimated_seconds_left)
756 if (estimated_seconds_left < 60.0) {
757 strcpy(time_str, "<font color=\"red\">Less than a minute</font>");
758 } else if (estimated_seconds_left < 1800.0) { // Less than half an hour: Xm Ys (red).
759 int s = lrintf(estimated_seconds_left);
762 snprintf(time_str, sizeof(time_str), "<font color=\"red\">%dm %ds</font>", m, s);
763 } else if (estimated_seconds_left < 3600.0) { // Less than an hour: Xm.
764 int m = lrintf(estimated_seconds_left / 60.0);
765 snprintf(time_str, sizeof(time_str), "%dm", m);
766 } else if (estimated_seconds_left < 36000.0) { // Less than ten hours: Xh Ym.
767 int m = lrintf(estimated_seconds_left / 60.0);
770 snprintf(time_str, sizeof(time_str), "%dh %dm", h, m);
771 } else { // More than ten hours: Xh.
772 int h = lrintf(estimated_seconds_left / 3600.0);
773 snprintf(time_str, sizeof(time_str), "%dh", h);
776 snprintf(buf, sizeof(buf), "Disk free: %'.0f MB (approx. %s)", free_bytes / 1048576.0, time_str);
778 std::string label = buf;
780 post_to_main_thread([this, label]{
781 disk_free_label->setText(QString::fromStdString(label));
782 ui->menuBar->setCornerWidget(disk_free_label); // Need to set this again for the sizing to get right.
786 void MainWindow::eq_knob_changed(unsigned bus_index, EQBand band, int value)
788 float gain_db = value * 0.1f;
789 global_audio_mixer->set_eq(bus_index, band, gain_db);
791 update_eq_label(bus_index, band, gain_db);
794 void MainWindow::update_eq_label(unsigned bus_index, EQBand band, float gain_db)
796 Ui::AudioExpandedView *view = audio_expanded_views[bus_index];
797 string db_string = format_db(gain_db, DB_WITH_SIGN);
800 view->treble_label->setText(QString::fromStdString("Treble: " + db_string));
803 view->mid_label->setText(QString::fromStdString("Mid: " + db_string));
806 view->bass_label->setText(QString::fromStdString("Bass: " + db_string));
813 void MainWindow::setup_theme_menu()
815 std::vector<Theme::MenuEntry> theme_menu_entries = global_mixer->get_theme_menu();
817 if (theme_menu != nullptr) {
818 ui->menuBar->removeAction(theme_menu->menuAction());
819 theme_menu = nullptr;
822 if (!theme_menu_entries.empty()) {
823 theme_menu = new QMenu("&Theme");
824 for (const Theme::MenuEntry &entry : theme_menu_entries) {
825 QAction *action = theme_menu->addAction(QString::fromStdString(entry.text));
826 connect(action, &QAction::triggered, [entry] {
827 global_mixer->theme_menu_entry_clicked(entry.lua_ref);
830 ui->menuBar->insertMenu(ui->menu_Help->menuAction(), theme_menu);
834 void MainWindow::limiter_threshold_knob_changed(int value)
836 float threshold_dbfs = value * 0.1f;
837 global_audio_mixer->set_limiter_threshold_dbfs(threshold_dbfs);
838 ui->limiter_threshold_db_display->setText(
839 QString::fromStdString(format_db(threshold_dbfs, DB_WITH_SIGN)));
840 ui->limiter_threshold_db_display_2->setText(
841 QString::fromStdString(format_db(threshold_dbfs, DB_WITH_SIGN)));
844 void MainWindow::compressor_threshold_knob_changed(unsigned bus_index, int value)
846 float threshold_dbfs = value * 0.1f;
847 global_audio_mixer->set_compressor_threshold_dbfs(bus_index, threshold_dbfs);
849 QString label(QString::fromStdString(format_db(threshold_dbfs, DB_WITH_SIGN)));
850 if (bus_index == 0) {
851 ui->compressor_threshold_db_display->setText(label);
853 if (bus_index < audio_expanded_views.size()) {
854 audio_expanded_views[bus_index]->compressor_threshold_db_display->setText(label);
858 void MainWindow::mini_fader_changed(int bus, double volume_db)
860 QString label(QString::fromStdString(format_db(volume_db, DB_WITH_SIGN)));
861 audio_miniviews[bus]->fader_label->setText(label);
862 audio_expanded_views[bus]->fader_label->setText(label);
864 global_audio_mixer->set_fader_volume(bus, volume_db);
867 void MainWindow::mute_button_toggled(int bus, bool checked)
869 global_audio_mixer->set_mute(bus, checked);
870 midi_mapper.refresh_lights();
873 void MainWindow::reset_meters_button_clicked()
875 global_audio_mixer->reset_meters();
876 ui->peak_display->setText(QString::fromStdString(format_db(-HUGE_VAL, DB_WITH_SIGN | DB_BARE)));
877 ui->peak_display->setStyleSheet("");
880 void MainWindow::audio_level_callback(float level_lufs, float peak_db, vector<AudioMixer::BusLevel> bus_levels,
881 float global_level_lufs,
882 float range_low_lufs, float range_high_lufs,
883 float final_makeup_gain_db,
886 steady_clock::time_point now = steady_clock::now();
888 // The meters are somewhat inefficient to update. Only update them
889 // every 100 ms or so (we get updates every 5–20 ms). Note that this
890 // means that the digital peak meters are ever so slightly too low
891 // (each update won't be a faithful representation of the highest peak
892 // since the previous update, since there are frames we won't draw),
893 // but the _peak_ of the peak meters will be correct (it's tracked in
894 // AudioMixer, not here), and that's much more important.
895 double last_update_age = duration<double>(now - last_audio_level_callback).count();
896 if (last_update_age < 0.100) {
899 last_audio_level_callback = now;
901 post_to_main_thread([=]() {
902 ui->vu_meter->set_level(level_lufs);
903 for (unsigned bus_index = 0; bus_index < bus_levels.size(); ++bus_index) {
904 if (bus_index < audio_miniviews.size()) {
905 const AudioMixer::BusLevel &level = bus_levels[bus_index];
906 Ui::AudioMiniView *miniview = audio_miniviews[bus_index];
907 miniview->peak_meter->set_level(
908 level.current_level_dbfs[0], level.current_level_dbfs[1]);
909 miniview->peak_meter->set_peak(
910 level.peak_level_dbfs[0], level.peak_level_dbfs[1]);
911 set_peak_label(miniview->peak_display_label, level.historic_peak_dbfs);
913 Ui::AudioExpandedView *view = audio_expanded_views[bus_index];
914 view->peak_meter->set_level(
915 level.current_level_dbfs[0], level.current_level_dbfs[1]);
916 view->peak_meter->set_peak(
917 level.peak_level_dbfs[0], level.peak_level_dbfs[1]);
918 view->reduction_meter->set_reduction_db(level.compressor_attenuation_db);
919 view->gainstaging_knob->blockSignals(true);
920 view->gainstaging_knob->setValue(lrintf(level.gain_staging_db * 10.0f));
921 view->gainstaging_knob->blockSignals(false);
922 view->gainstaging_db_display->setText(
924 QString::fromStdString(format_db(level.gain_staging_db, DB_WITH_SIGN)));
925 set_peak_label(view->peak_display_label, level.historic_peak_dbfs);
927 midi_mapper.set_has_peaked(bus_index, level.historic_peak_dbfs >= -0.1f);
930 ui->lra_meter->set_levels(global_level_lufs, range_low_lufs, range_high_lufs);
931 ui->correlation_meter->set_correlation(correlation);
933 ui->peak_display->setText(QString::fromStdString(format_db(peak_db, DB_BARE)));
934 set_peak_label(ui->peak_display, peak_db);
936 // NOTE: Will be invisible when using multitrack audio.
937 ui->gainstaging_knob->blockSignals(true);
938 ui->gainstaging_knob->setValue(lrintf(bus_levels[0].gain_staging_db * 10.0f));
939 ui->gainstaging_knob->blockSignals(false);
940 ui->gainstaging_db_display->setText(
941 QString::fromStdString(format_db(bus_levels[0].gain_staging_db, DB_WITH_SIGN)));
943 ui->makeup_gain_knob->blockSignals(true);
944 ui->makeup_gain_knob->setValue(lrintf(final_makeup_gain_db * 10.0f));
945 ui->makeup_gain_knob->blockSignals(false);
946 ui->makeup_gain_db_display->setText(
947 QString::fromStdString(format_db(final_makeup_gain_db, DB_WITH_SIGN)));
948 ui->makeup_gain_db_display_2->setText(
949 QString::fromStdString(format_db(final_makeup_gain_db, DB_WITH_SIGN)));
951 // Peak labels could have changed.
952 midi_mapper.refresh_lights();
956 void MainWindow::relayout()
958 int height = ui->vertical_layout->geometry().height();
960 // Seemingly this can happen and must be ignored.
964 double remaining_height = height;
966 // Allocate the height; the most important part is to keep the main displays
967 // at the right aspect if at all possible.
968 double me_width = ui->me_preview->width();
969 double me_height = me_width * double(global_flags.height) / double(global_flags.width) + ui->label_preview->height() + ui->preview_vertical_layout->spacing();
971 // TODO: Scale the widths when we need to do this.
972 if (me_height / double(height) > 0.8) {
973 me_height = height * 0.8;
975 remaining_height -= me_height + ui->vertical_layout->spacing();
977 // Space between the M/E displays and the audio strip.
978 remaining_height -= ui->vertical_layout->spacing();
980 // The label above the audio strip.
981 double compact_label_height = ui->compact_label->minimumHeight() +
982 ui->compact_audio_layout->spacing();
983 remaining_height -= compact_label_height;
985 // The previews will be constrained by the remaining height, and the width.
986 double preview_label_height = previews[0]->label->minimumSize().height() +
987 previews[0]->main_vertical_layout->spacing();
988 int preview_total_width = ui->preview_displays->geometry().width() - (previews.size() - 1) * ui->preview_displays->spacing();
989 double preview_height = min(remaining_height - preview_label_height, (preview_total_width / double(previews.size())) * double(global_flags.height) / double(global_flags.width));
990 remaining_height -= preview_height + preview_label_height + ui->vertical_layout->spacing();
992 ui->vertical_layout->setStretch(0, lrintf(me_height));
993 ui->vertical_layout->setStretch(1,
994 lrintf(compact_label_height) +
995 lrintf(remaining_height) +
996 lrintf(preview_height + preview_label_height)); // Audio strip and previews together.
998 ui->compact_audio_layout->setStretch(0, lrintf(compact_label_height));
999 ui->compact_audio_layout->setStretch(1, lrintf(remaining_height)); // Audio strip.
1000 ui->compact_audio_layout->setStretch(2, lrintf(preview_height + preview_label_height));
1002 if (current_audio_view == 0) { // Compact audio view.
1003 // Set the widths for the previews.
1004 double preview_width = preview_height * double(global_flags.width) / double(global_flags.height);
1005 for (unsigned i = 0; i < previews.size(); ++i) {
1006 ui->preview_displays->setStretch(i, lrintf(preview_width));
1009 // The preview horizontal spacer.
1010 double remaining_preview_width = preview_total_width - previews.size() * preview_width;
1011 ui->preview_displays->setStretch(previews.size(), lrintf(remaining_preview_width));
1012 } else if (current_audio_view == 2) { // Video grid view.
1013 // QGridLayout doesn't do it for us, since we need to be able to remove rows
1014 // or columns as the grid changes, and it won't do that. Thus, position everything
1016 constexpr int spacing = 6;
1017 int grid_width = ui->preview_displays_grid->geometry().width();
1018 int grid_height = ui->preview_displays_grid->geometry().height();
1019 int best_preview_width = 0;
1020 unsigned best_num_rows = 1, best_num_cols = 1;
1021 for (unsigned num_rows = 1; num_rows <= previews.size(); ++num_rows) {
1022 int num_cols = (previews.size() + num_rows - 1) / num_rows;
1024 int max_preview_height = (grid_height - spacing * (num_rows - 1)) / num_rows - preview_label_height;
1025 int max_preview_width = (grid_width - spacing * (num_cols - 1)) / num_cols;
1026 int preview_width = std::min<int>(max_preview_width, max_preview_height * double(global_flags.width) / double(global_flags.height));
1028 if (preview_width > best_preview_width) {
1029 best_preview_width = preview_width;
1030 best_num_rows = num_rows;
1031 best_num_cols = num_cols;
1035 double cell_height = lrintf(best_preview_width * double(global_flags.height) / double(global_flags.width)) + preview_label_height;
1036 remaining_height = grid_height - best_num_rows * cell_height - (best_num_rows - 1) * spacing;
1037 int cell_width = best_preview_width;
1038 int remaining_width = grid_width - best_num_cols * cell_width - (best_num_cols - 1) * spacing;
1040 for (unsigned i = 0; i < previews.size(); ++i) {
1041 int col_idx = i % best_num_cols;
1042 int row_idx = i / best_num_cols;
1044 double top = remaining_height * 0.5f + row_idx * (cell_height + spacing);
1045 double bottom = top + cell_height;
1046 double left = remaining_width * 0.5f + col_idx * (cell_width + spacing);
1047 double right = left + cell_width;
1050 rect.setTop(lrintf(top));
1051 rect.setBottom(lrintf(bottom));
1052 rect.setLeft(lrintf(left));
1053 rect.setRight(lrintf(right));
1055 QWidget *display = static_cast<QWidget *>(previews[i]->frame->parent());
1056 display->setGeometry(rect);
1062 void MainWindow::set_locut(float value)
1064 set_relative_value(ui->locut_cutoff_knob, value);
1067 void MainWindow::set_limiter_threshold(float value)
1069 set_relative_value(ui->limiter_threshold_knob, value);
1072 void MainWindow::set_makeup_gain(float value)
1074 set_relative_value(ui->makeup_gain_knob, value);
1077 void MainWindow::set_treble(unsigned bus_idx, float value)
1079 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::treble_knob, value);
1082 void MainWindow::set_mid(unsigned bus_idx, float value)
1084 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::mid_knob, value);
1087 void MainWindow::set_bass(unsigned bus_idx, float value)
1089 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::bass_knob, value);
1092 void MainWindow::set_gain(unsigned bus_idx, float value)
1094 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_knob, value);
1097 void MainWindow::set_compressor_threshold(unsigned bus_idx, float value)
1099 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_threshold_knob, value);
1102 void MainWindow::set_fader(unsigned bus_idx, float value)
1104 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::fader, value);
1107 void MainWindow::toggle_mute(unsigned bus_idx)
1109 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::mute_button);
1112 void MainWindow::toggle_locut(unsigned bus_idx)
1114 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::locut_enabled);
1117 void MainWindow::toggle_auto_gain_staging(unsigned bus_idx)
1119 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_auto_checkbox);
1122 void MainWindow::toggle_compressor(unsigned bus_idx)
1124 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_enabled);
1127 void MainWindow::clear_peak(unsigned bus_idx)
1129 post_to_main_thread([=]{
1130 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
1131 global_audio_mixer->reset_peak(bus_idx);
1132 midi_mapper.set_has_peaked(bus_idx, false);
1133 midi_mapper.refresh_lights();
1138 void MainWindow::clear_all_highlights()
1140 post_to_main_thread([this]{
1141 highlight_locut(false);
1142 highlight_limiter_threshold(false);
1143 highlight_makeup_gain(false);
1144 highlight_toggle_limiter(false);
1145 highlight_toggle_auto_makeup_gain(false);
1146 for (unsigned bus_idx = 0; bus_idx < audio_expanded_views.size(); ++bus_idx) {
1147 highlight_treble(bus_idx, false);
1148 highlight_mid(bus_idx, false);
1149 highlight_bass(bus_idx, false);
1150 highlight_gain(bus_idx, false);
1151 highlight_compressor_threshold(bus_idx, false);
1152 highlight_fader(bus_idx, false);
1153 highlight_mute(bus_idx, false);
1154 highlight_toggle_locut(bus_idx, false);
1155 highlight_toggle_auto_gain_staging(bus_idx, false);
1156 highlight_toggle_compressor(bus_idx, false);
1161 void MainWindow::toggle_limiter()
1163 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
1164 ui->limiter_enabled->click();
1168 void MainWindow::toggle_auto_makeup_gain()
1170 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
1171 ui->makeup_gain_auto_checkbox->click();
1175 void MainWindow::highlight_locut(bool highlight)
1177 post_to_main_thread([this, highlight]{
1178 highlight_control(ui->locut_cutoff_knob, highlight);
1179 highlight_control(ui->locut_cutoff_knob_2, highlight);
1183 void MainWindow::highlight_limiter_threshold(bool highlight)
1185 post_to_main_thread([this, highlight]{
1186 highlight_control(ui->limiter_threshold_knob, highlight);
1187 highlight_control(ui->limiter_threshold_knob_2, highlight);
1191 void MainWindow::highlight_makeup_gain(bool highlight)
1193 post_to_main_thread([this, highlight]{
1194 highlight_control(ui->makeup_gain_knob, highlight);
1195 highlight_control(ui->makeup_gain_knob_2, highlight);
1199 void MainWindow::highlight_treble(unsigned bus_idx, bool highlight)
1201 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::treble_knob, highlight);
1204 void MainWindow::highlight_mid(unsigned bus_idx, bool highlight)
1206 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::mid_knob, highlight);
1209 void MainWindow::highlight_bass(unsigned bus_idx, bool highlight)
1211 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::bass_knob, highlight);
1214 void MainWindow::highlight_gain(unsigned bus_idx, bool highlight)
1216 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_knob, highlight);
1219 void MainWindow::highlight_compressor_threshold(unsigned bus_idx, bool highlight)
1221 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_threshold_knob, highlight);
1224 void MainWindow::highlight_fader(unsigned bus_idx, bool highlight)
1226 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::fader, highlight);
1229 void MainWindow::highlight_mute(unsigned bus_idx, bool highlight)
1231 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::mute_button, highlight, /*is_mute_btton=*/true);
1234 void MainWindow::highlight_toggle_locut(unsigned bus_idx, bool highlight)
1236 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::locut_enabled, highlight);
1239 void MainWindow::highlight_toggle_auto_gain_staging(unsigned bus_idx, bool highlight)
1241 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_auto_checkbox, highlight);
1244 void MainWindow::highlight_toggle_compressor(unsigned bus_idx, bool highlight)
1246 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_enabled, highlight);
1249 void MainWindow::highlight_toggle_limiter(bool highlight)
1251 post_to_main_thread([this, highlight]{
1252 highlight_control(ui->limiter_enabled, highlight);
1253 highlight_control(ui->limiter_enabled_2, highlight);
1257 void MainWindow::highlight_toggle_auto_makeup_gain(bool highlight)
1259 post_to_main_thread([this, highlight]{
1260 highlight_control(ui->makeup_gain_auto_checkbox, highlight);
1261 highlight_control(ui->makeup_gain_auto_checkbox_2, highlight);
1266 void MainWindow::set_relative_value(T *control, float value)
1268 post_to_main_thread([control, value]{
1269 control->setValue(lrintf(control->minimum() + value * (control->maximum() - control->minimum())));
1274 void MainWindow::set_relative_value_if_exists(unsigned bus_idx, T *(Ui_AudioExpandedView::*control), float value)
1276 if (global_audio_mixer != nullptr &&
1277 global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL &&
1278 bus_idx < audio_expanded_views.size()) {
1279 set_relative_value(audio_expanded_views[bus_idx]->*control, value);
1284 void MainWindow::click_button_if_exists(unsigned bus_idx, T *(Ui_AudioExpandedView::*control))
1286 post_to_main_thread([this, bus_idx, control]{
1287 if (global_audio_mixer != nullptr &&
1288 global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL &&
1289 bus_idx < audio_expanded_views.size()) {
1290 (audio_expanded_views[bus_idx]->*control)->click();
1296 void MainWindow::highlight_control(T *control, bool highlight)
1298 if (control == nullptr) {
1301 if (global_audio_mixer == nullptr ||
1302 global_audio_mixer->get_mapping_mode() != AudioMixer::MappingMode::MULTICHANNEL) {
1306 control->setStyleSheet("background: rgb(0,255,0,80)");
1308 control->setStyleSheet("");
1313 void MainWindow::highlight_mute_control(T *control, bool highlight)
1315 if (control == nullptr) {
1318 if (global_audio_mixer == nullptr ||
1319 global_audio_mixer->get_mapping_mode() != AudioMixer::MappingMode::MULTICHANNEL) {
1323 control->setStyleSheet("QPushButton { background: rgb(0,255,0,80); } QPushButton:checked { background: rgba(255,80,0,140); }");
1325 control->setStyleSheet("QPushButton:checked { background: rgba(255,0,0,80); }");
1330 void MainWindow::highlight_control_if_exists(unsigned bus_idx, T *(Ui_AudioExpandedView::*control), bool highlight, bool is_mute_button)
1332 post_to_main_thread([this, bus_idx, control, highlight, is_mute_button]{
1333 if (bus_idx < audio_expanded_views.size()) {
1334 if (is_mute_button) {
1335 highlight_mute_control(audio_expanded_views[bus_idx]->*control, highlight);
1337 highlight_control(audio_expanded_views[bus_idx]->*control, highlight);
1343 void MainWindow::set_transition_names(vector<string> transition_names)
1345 if (transition_names.size() < 1 || transition_names[0].empty()) {
1346 transition_btn1->setText(QString(""));
1348 transition_btn1->setText(QString::fromStdString(transition_names[0] + " (J)"));
1349 ui->transition_btn1->setShortcut(QKeySequence("J"));
1351 if (transition_names.size() < 2 || transition_names[1].empty()) {
1352 transition_btn2->setText(QString(""));
1354 transition_btn2->setText(QString::fromStdString(transition_names[1] + " (K)"));
1355 ui->transition_btn2->setShortcut(QKeySequence("K"));
1357 if (transition_names.size() < 3 || transition_names[2].empty()) {
1358 transition_btn3->setText(QString(""));
1360 transition_btn3->setText(QString::fromStdString(transition_names[2] + " (L)"));
1361 ui->transition_btn3->setShortcut(QKeySequence("L"));
1365 void MainWindow::update_channel_name(Mixer::Output output, const string &name)
1367 if (output >= Mixer::OUTPUT_INPUT0) {
1368 unsigned channel = output - Mixer::OUTPUT_INPUT0;
1369 previews[channel]->label->setText(name.c_str());
1372 analyzer->update_channel_name(output, name);
1375 void MainWindow::update_channel_color(Mixer::Output output, const string &color)
1377 if (output >= Mixer::OUTPUT_INPUT0) {
1378 unsigned channel = output - Mixer::OUTPUT_INPUT0;
1379 previews[channel]->frame->setStyleSheet(QString::fromStdString("background-color:" + color));
1383 void MainWindow::transition_clicked(int transition_number)
1385 global_mixer->transition_clicked(transition_number);
1388 void MainWindow::channel_clicked(int channel_number)
1390 if (current_wb_pick_display == channel_number) {
1391 // The picking was already done from eventFilter(), since we don't get
1392 // the mouse pointer here.
1394 global_mixer->channel_clicked(channel_number);
1398 void MainWindow::quick_cut_activated(int channel_number)
1400 if (!global_flags.enable_quick_cut_keys) {
1403 global_mixer->channel_clicked(channel_number);
1404 global_mixer->transition_clicked(0);
1407 void MainWindow::wb_button_clicked(int channel_number)
1409 current_wb_pick_display = channel_number;
1410 QApplication::setOverrideCursor(Qt::CrossCursor);
1413 void MainWindow::audio_view_changed(int audio_view)
1415 if (audio_view == current_audio_view) {
1419 if (audio_view == 0) {
1420 // Compact audio view. (1, full audio view, has no video previews.)
1421 for (unsigned i = 0; i < previews.size(); ++i) {
1422 QWidget *display = static_cast<QWidget *>(previews[i]->frame->parent());
1423 ui->preview_displays->insertWidget(i, display, 1);
1425 } else if (audio_view == 2) {
1426 // Video grid display.
1427 for (unsigned i = 0; i < previews.size(); ++i) {
1428 QWidget *display = static_cast<QWidget *>(previews[i]->frame->parent());
1429 display->setParent(ui->preview_displays_grid);
1434 current_audio_view = audio_view;
1436 // Ask for a relayout, but only after the event loop is done doing relayout
1437 // on everything else.
1438 QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
1441 bool MainWindow::eventFilter(QObject *watched, QEvent *event)
1443 if (current_wb_pick_display != -1 &&
1444 event->type() == QEvent::MouseButtonRelease &&
1445 watched->isWidgetType()) {
1446 QApplication::restoreOverrideCursor();
1447 if (watched == previews[current_wb_pick_display]->display) {
1448 const QMouseEvent *mouse_event = (QMouseEvent *)event;
1449 set_white_balance(current_wb_pick_display, mouse_event->x(), mouse_event->y());
1451 // The user clicked on something else, give up.
1452 // (The click goes through, which might not be ideal, but, yes.)
1453 current_wb_pick_display = -1;
1459 void MainWindow::closeEvent(QCloseEvent *event)
1461 if (global_mixer->get_num_connected_clients() > 0) {
1462 QMessageBox::StandardButton reply =
1463 QMessageBox::question(this, "Nageru", "There are clients connected. Do you really want to quit?",
1464 QMessageBox::Yes | QMessageBox::No);
1465 if (reply != QMessageBox::Yes) {
1477 double srgb_to_linear(double x)
1482 return pow((x + 0.055) / 1.055, 2.4);
1488 void MainWindow::set_white_balance(int channel_number, int x, int y)
1490 // Set the white balance to neutral for the grab. It's probably going to
1491 // flicker a bit, but hopefully this display is not live anyway.
1492 global_mixer->set_wb(Mixer::OUTPUT_INPUT0 + channel_number, 0.5, 0.5, 0.5);
1493 previews[channel_number]->display->updateGL();
1494 QRgb reference_color = previews[channel_number]->display->grabFrameBuffer().pixel(x, y);
1496 double r = srgb_to_linear(qRed(reference_color) / 255.0);
1497 double g = srgb_to_linear(qGreen(reference_color) / 255.0);
1498 double b = srgb_to_linear(qBlue(reference_color) / 255.0);
1499 global_mixer->set_wb(Mixer::OUTPUT_INPUT0 + channel_number, r, g, b);
1500 previews[channel_number]->display->updateGL();
1503 void MainWindow::audio_state_changed()
1505 post_to_main_thread([this]{
1506 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
1509 InputMapping mapping = global_audio_mixer->get_input_mapping();
1510 for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) {
1511 const InputMapping::Bus &bus = mapping.buses[bus_index];
1513 if (bus.device.type == InputSourceType::ALSA_INPUT) {
1514 ALSAPool::Device::State state = global_audio_mixer->get_alsa_card_state(bus.device.index);
1515 if (state == ALSAPool::Device::State::STARTING) {
1517 } else if (state == ALSAPool::Device::State::DEAD) {
1522 audio_miniviews[bus_index]->bus_desc_label->setFullText(
1523 QString::fromStdString(bus.name + suffix));
1524 audio_expanded_views[bus_index]->bus_desc_label->setFullText(
1525 QString::fromStdString(bus.name + suffix));