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"
49 #include "clickable_label.h"
50 #include "context_menus.h"
51 #include "correlation_meter.h"
52 #include "disk_space_estimator.h"
53 #include "ellipsis_label.h"
56 #include "input_mapping.h"
57 #include "input_mapping_dialog.h"
59 #include "midi_mapping.pb.h"
60 #include "midi_mapping_dialog.h"
62 #include "nonlinear_fader.h"
63 #include "post_to_main_thread.h"
64 #include "ui_audio_expanded_view.h"
65 #include "ui_audio_miniview.h"
66 #include "ui_display.h"
67 #include "ui_mainwindow.h"
71 using namespace std::chrono;
72 using namespace std::placeholders;
74 Q_DECLARE_METATYPE(std::string);
75 Q_DECLARE_METATYPE(std::vector<std::string>);
77 MainWindow *global_mainwindow = nullptr;
79 // -0.1 dBFS is EBU peak limit. We use it consistently, even for the bus meters
80 // (which don't calculate interpolate peak, and in general don't follow EBU recommendations).
81 constexpr float peak_limit_dbfs = -0.1f;
85 void schedule_cut_signal(int ignored)
87 global_mixer->schedule_cut();
90 void quit_signal(int ignored)
92 global_mainwindow->close();
95 void slave_knob(QDial *master, QDial *slave)
97 QWidget::connect(master, &QDial::valueChanged, [slave](int value){
98 slave->blockSignals(true);
99 slave->setValue(value);
100 slave->blockSignals(false);
102 QWidget::connect(slave, &QDial::valueChanged, [master](int value){
103 master->setValue(value);
107 void slave_checkbox(QCheckBox *master, QCheckBox *slave)
109 QWidget::connect(master, &QCheckBox::stateChanged, [slave](int state){
110 slave->blockSignals(true);
111 slave->setCheckState(Qt::CheckState(state));
112 slave->blockSignals(false);
114 QWidget::connect(slave, &QCheckBox::stateChanged, [master](int state){
115 master->setCheckState(Qt::CheckState(state));
119 void slave_fader(NonLinearFader *master, NonLinearFader *slave)
121 QWidget::connect(master, &NonLinearFader::dbValueChanged, [slave](double value) {
122 slave->blockSignals(true);
123 slave->setDbValue(value);
124 slave->blockSignals(false);
126 QWidget::connect(slave, &NonLinearFader::dbValueChanged, [master](double value){
127 master->setDbValue(value);
131 constexpr unsigned DB_NO_FLAGS = 0x0;
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->simple_audio_mode, &QAction::triggered, this, &MainWindow::simple_audio_mode_triggered);
204 connect(ui->multichannel_audio_mode, &QAction::triggered, this, &MainWindow::multichannel_audio_mode_triggered);
205 connect(ui->input_mapping_action, &QAction::triggered, this, &MainWindow::input_mapping_triggered);
206 connect(ui->midi_mapping_action, &QAction::triggered, this, &MainWindow::midi_mapping_triggered);
207 connect(ui->timecode_stream_action, &QAction::triggered, this, &MainWindow::timecode_stream_triggered);
208 connect(ui->timecode_stdout_action, &QAction::triggered, this, &MainWindow::timecode_stdout_triggered);
210 ui->timecode_stream_action->setChecked(global_flags.display_timecode_in_stream);
211 ui->timecode_stdout_action->setChecked(global_flags.display_timecode_on_stdout);
213 if (global_flags.x264_video_to_http) {
214 connect(ui->x264_bitrate_action, &QAction::triggered, this, &MainWindow::x264_bitrate_triggered);
216 ui->x264_bitrate_action->setEnabled(false);
219 connect(ui->video_menu, &QMenu::aboutToShow, [this]{
220 fill_hdmi_sdi_output_device_menu(ui->hdmi_sdi_output_device_menu);
221 fill_hdmi_sdi_output_resolution_menu(ui->hdmi_sdi_output_resolution_menu);
224 // Hook up the transition buttons. (Keyboard shortcuts are set in set_transition_names().)
225 // TODO: Make them dynamic.
226 connect(ui->transition_btn1, &QPushButton::clicked, bind(&MainWindow::transition_clicked, this, 0));
227 connect(ui->transition_btn2, &QPushButton::clicked, bind(&MainWindow::transition_clicked, this, 1));
228 connect(ui->transition_btn3, &QPushButton::clicked, bind(&MainWindow::transition_clicked, this, 2));
231 transition_btn1 = ui->transition_btn1;
232 transition_btn2 = ui->transition_btn2;
233 transition_btn3 = ui->transition_btn3;
234 qRegisterMetaType<string>("std::string");
235 qRegisterMetaType<vector<string>>("std::vector<std::string>");
236 connect(ui->me_live, &GLWidget::transition_names_updated, this, &MainWindow::set_transition_names);
237 qRegisterMetaType<Mixer::Output>("Mixer::Output");
239 // Hook up the prev/next buttons on the audio views.
240 connect(ui->compact_prev_page, &QAbstractButton::clicked, bind(&QStackedWidget::setCurrentIndex, ui->audio_views, 1));
241 connect(ui->compact_next_page, &QAbstractButton::clicked, bind(&QStackedWidget::setCurrentIndex, ui->audio_views, 1));
242 connect(ui->full_prev_page, &QAbstractButton::clicked, bind(&QStackedWidget::setCurrentIndex, ui->audio_views, 0));
243 connect(ui->full_next_page, &QAbstractButton::clicked, bind(&QStackedWidget::setCurrentIndex, ui->audio_views, 0));
245 // And bind the same to PgUp/PgDown.
246 auto switch_page = [this]{
247 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
248 ui->audio_views->setCurrentIndex(1 - ui->audio_views->currentIndex());
251 connect(new QShortcut(QKeySequence::MoveToNextPage, this), &QShortcut::activated, switch_page);
252 connect(new QShortcut(QKeySequence::MoveToPreviousPage, this), &QShortcut::activated, switch_page);
254 last_audio_level_callback = steady_clock::now() - seconds(1);
256 if (!global_flags.midi_mapping_filename.empty()) {
257 MIDIMappingProto midi_mapping;
258 if (!load_midi_mapping_from_file(global_flags.midi_mapping_filename, &midi_mapping)) {
259 fprintf(stderr, "Couldn't load MIDI mapping '%s'; exiting.\n",
260 global_flags.midi_mapping_filename.c_str());
263 midi_mapper.set_midi_mapping(midi_mapping);
265 midi_mapper.refresh_highlights();
266 midi_mapper.refresh_lights();
269 void MainWindow::resizeEvent(QResizeEvent* event)
271 QMainWindow::resizeEvent(event);
273 // Ask for a relayout, but only after the event loop is done doing relayout
274 // on everything else.
275 QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
278 void MainWindow::mixer_created(Mixer *mixer)
280 // Make the previews.
281 unsigned num_previews = mixer->get_num_channels();
283 for (unsigned i = 0; i < num_previews; ++i) {
284 Mixer::Output output = Mixer::Output(Mixer::OUTPUT_INPUT0 + i);
286 QWidget *preview = new QWidget(this);
287 Ui::Display *ui_display = new Ui::Display;
288 ui_display->setupUi(preview);
289 ui_display->label->setText(mixer->get_channel_name(output).c_str());
290 ui_display->display->set_output(output);
291 ui->preview_displays->insertWidget(previews.size(), preview, 1);
292 previews.push_back(ui_display);
294 // Hook up the click.
295 connect(ui_display->display, &GLWidget::clicked, bind(&MainWindow::channel_clicked, this, i));
297 // Let the theme update the text whenever the resolution or color changed.
298 connect(ui_display->display, &GLWidget::name_updated, this, &MainWindow::update_channel_name);
299 connect(ui_display->display, &GLWidget::color_updated, this, &MainWindow::update_channel_color);
301 // Hook up the keyboard key.
302 QShortcut *shortcut = new QShortcut(QKeySequence(Qt::Key_1 + i), this);
303 connect(shortcut, &QShortcut::activated, bind(&MainWindow::channel_clicked, this, i));
305 // Hook up the white balance button (irrelevant if invisible).
306 ui_display->wb_button->setVisible(mixer->get_supports_set_wb(output));
307 connect(ui_display->wb_button, &QPushButton::clicked, bind(&MainWindow::wb_button_clicked, this, i));
310 global_audio_mixer->set_state_changed_callback(bind(&MainWindow::audio_state_changed, this));
312 slave_knob(ui->locut_cutoff_knob, ui->locut_cutoff_knob_2);
313 slave_knob(ui->limiter_threshold_knob, ui->limiter_threshold_knob_2);
314 slave_knob(ui->makeup_gain_knob, ui->makeup_gain_knob_2);
315 slave_checkbox(ui->makeup_gain_auto_checkbox, ui->makeup_gain_auto_checkbox_2);
316 slave_checkbox(ui->limiter_enabled, ui->limiter_enabled_2);
318 reset_audio_mapping_ui();
320 // TODO: Fetch all of the values these for completeness,
321 // not just the enable knobs implied by flags.
322 ui->limiter_enabled->setChecked(global_audio_mixer->get_limiter_enabled());
323 ui->makeup_gain_auto_checkbox->setChecked(global_audio_mixer->get_final_makeup_gain_auto());
325 // Controls used only for simple audio fetch their state from the first bus.
326 constexpr unsigned simple_bus_index = 0;
327 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
328 ui->locut_enabled->setChecked(global_audio_mixer->get_locut_enabled(simple_bus_index));
329 ui->gainstaging_knob->setValue(global_audio_mixer->get_gain_staging_db(simple_bus_index));
330 ui->gainstaging_auto_checkbox->setChecked(global_audio_mixer->get_gain_staging_auto(simple_bus_index));
331 ui->compressor_enabled->setChecked(global_audio_mixer->get_compressor_enabled(simple_bus_index));
332 ui->compressor_threshold_db_display->setText(
333 QString::fromStdString(format_db(mixer->get_audio_mixer()->get_compressor_threshold_dbfs(simple_bus_index), DB_WITH_SIGN)));
335 connect(ui->locut_enabled, &QCheckBox::stateChanged, [this](int state){
336 global_audio_mixer->set_locut_enabled(simple_bus_index, state == Qt::Checked);
337 midi_mapper.refresh_lights();
339 connect(ui->gainstaging_knob, &QAbstractSlider::valueChanged,
340 bind(&MainWindow::gain_staging_knob_changed, this, simple_bus_index, _1));
341 connect(ui->gainstaging_auto_checkbox, &QCheckBox::stateChanged, [this, simple_bus_index](int state){
342 global_audio_mixer->set_gain_staging_auto(simple_bus_index, state == Qt::Checked);
343 midi_mapper.refresh_lights();
345 connect(ui->compressor_threshold_knob, &QDial::valueChanged,
346 bind(&MainWindow::compressor_threshold_knob_changed, this, simple_bus_index, _1));
347 connect(ui->compressor_enabled, &QCheckBox::stateChanged, [this, simple_bus_index](int state){
348 global_audio_mixer->set_compressor_enabled(simple_bus_index, state == Qt::Checked);
349 midi_mapper.refresh_lights();
352 // Global mastering controls.
353 QString limiter_threshold_label(
354 QString::fromStdString(format_db(mixer->get_audio_mixer()->get_limiter_threshold_dbfs(), DB_WITH_SIGN)));
355 ui->limiter_threshold_db_display->setText(limiter_threshold_label);
356 ui->limiter_threshold_db_display_2->setText(limiter_threshold_label);
358 connect(ui->locut_cutoff_knob, &QDial::valueChanged, this, &MainWindow::cutoff_knob_changed);
359 cutoff_knob_changed(ui->locut_cutoff_knob->value());
361 connect(ui->makeup_gain_knob, &QAbstractSlider::valueChanged, this, &MainWindow::final_makeup_gain_knob_changed);
362 connect(ui->makeup_gain_auto_checkbox, &QCheckBox::stateChanged, [this](int state){
363 global_audio_mixer->set_final_makeup_gain_auto(state == Qt::Checked);
364 midi_mapper.refresh_lights();
367 connect(ui->limiter_threshold_knob, &QDial::valueChanged, this, &MainWindow::limiter_threshold_knob_changed);
368 connect(ui->limiter_enabled, &QCheckBox::stateChanged, [this](int state){
369 global_audio_mixer->set_limiter_enabled(state == Qt::Checked);
370 midi_mapper.refresh_lights();
372 connect(ui->reset_meters_button, &QPushButton::clicked, this, &MainWindow::reset_meters_button_clicked);
373 // Even though we have a reset button right next to it, the fact that
374 // the expanded audio view labels are clickable makes it natural to
375 // click this one as well.
376 connect(ui->peak_display, &ClickableLabel::clicked, this, &MainWindow::reset_meters_button_clicked);
377 mixer->get_audio_mixer()->set_audio_level_callback(bind(&MainWindow::audio_level_callback, this, _1, _2, _3, _4, _5, _6, _7, _8));
379 midi_mapper.refresh_highlights();
380 midi_mapper.refresh_lights();
381 midi_mapper.start_thread();
383 struct sigaction act;
384 memset(&act, 0, sizeof(act));
385 act.sa_handler = schedule_cut_signal;
386 act.sa_flags = SA_RESTART;
387 sigaction(SIGHUP, &act, nullptr);
389 // Mostly for debugging. Don't override SIGINT, that's so evil if
390 // shutdown isn't instant.
391 memset(&act, 0, sizeof(act));
392 act.sa_handler = quit_signal;
393 act.sa_flags = SA_RESTART;
394 sigaction(SIGUSR1, &act, nullptr);
397 void MainWindow::reset_audio_mapping_ui()
399 bool simple = (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE);
401 ui->simple_audio_mode->setChecked(simple);
402 ui->multichannel_audio_mode->setChecked(!simple);
403 ui->input_mapping_action->setEnabled(!simple);
404 ui->midi_mapping_action->setEnabled(!simple);
406 ui->locut_enabled->setVisible(simple);
407 ui->gainstaging_label->setVisible(simple);
408 ui->gainstaging_knob->setVisible(simple);
409 ui->gainstaging_db_display->setVisible(simple);
410 ui->gainstaging_auto_checkbox->setVisible(simple);
411 ui->compressor_threshold_label->setVisible(simple);
412 ui->compressor_threshold_knob->setVisible(simple);
413 ui->compressor_threshold_db_display->setVisible(simple);
414 ui->compressor_enabled->setVisible(simple);
416 setup_audio_miniview();
417 setup_audio_expanded_view();
420 ui->audio_views->setCurrentIndex(0);
422 ui->compact_header->setVisible(!simple);
424 midi_mapper.refresh_highlights();
425 midi_mapper.refresh_lights();
428 void MainWindow::setup_audio_miniview()
430 // Remove any existing channels.
431 for (QLayoutItem *item; (item = ui->faders->takeAt(0)) != nullptr; ) {
432 delete item->widget();
435 audio_miniviews.clear();
437 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
441 // Set up brand new ones from the input mapping.
442 InputMapping mapping = global_audio_mixer->get_input_mapping();
443 audio_miniviews.resize(mapping.buses.size());
444 for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) {
445 QWidget *channel = new QWidget(this);
446 Ui::AudioMiniView *ui_audio_miniview = new Ui::AudioMiniView;
447 ui_audio_miniview->setupUi(channel);
448 ui_audio_miniview->bus_desc_label->setFullText(
449 QString::fromStdString(mapping.buses[bus_index].name));
450 audio_miniviews[bus_index] = ui_audio_miniview;
452 // Set up the peak meter.
453 VUMeter *peak_meter = ui_audio_miniview->peak_meter;
454 peak_meter->set_min_level(-30.0f);
455 peak_meter->set_max_level(0.0f);
456 peak_meter->set_ref_level(0.0f);
458 ui_audio_miniview->fader->setDbValue(global_audio_mixer->get_fader_volume(bus_index));
460 ui->faders->addWidget(channel);
462 connect(ui_audio_miniview->fader, &NonLinearFader::dbValueChanged,
463 bind(&MainWindow::mini_fader_changed, this, bus_index, _1));
464 connect(ui_audio_miniview->peak_display_label, &ClickableLabel::clicked,
466 global_audio_mixer->reset_peak(bus_index);
471 void MainWindow::setup_audio_expanded_view()
473 // Remove any existing channels.
474 for (QLayoutItem *item; (item = ui->buses->takeAt(0)) != nullptr; ) {
475 delete item->widget();
478 audio_expanded_views.clear();
480 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
484 // Set up brand new ones from the input mapping.
485 InputMapping mapping = global_audio_mixer->get_input_mapping();
486 audio_expanded_views.resize(mapping.buses.size());
487 for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) {
488 QWidget *channel = new QWidget(this);
489 Ui::AudioExpandedView *ui_audio_expanded_view = new Ui::AudioExpandedView;
490 ui_audio_expanded_view->setupUi(channel);
491 ui_audio_expanded_view->bus_desc_label->setFullText(
492 QString::fromStdString(mapping.buses[bus_index].name));
493 audio_expanded_views[bus_index] = ui_audio_expanded_view;
494 update_eq_label(bus_index, EQ_BAND_TREBLE, global_audio_mixer->get_eq(bus_index, EQ_BAND_TREBLE));
495 update_eq_label(bus_index, EQ_BAND_MID, global_audio_mixer->get_eq(bus_index, EQ_BAND_MID));
496 update_eq_label(bus_index, EQ_BAND_BASS, global_audio_mixer->get_eq(bus_index, EQ_BAND_BASS));
497 ui_audio_expanded_view->fader->setDbValue(global_audio_mixer->get_fader_volume(bus_index));
498 ui_audio_expanded_view->mute_button->setChecked(global_audio_mixer->get_mute(bus_index) ? Qt::Checked : Qt::Unchecked);
499 connect(ui_audio_expanded_view->mute_button, &QPushButton::toggled,
500 bind(&MainWindow::mute_button_toggled, this, bus_index, _1));
501 ui->buses->addWidget(channel);
503 ui_audio_expanded_view->locut_enabled->setChecked(global_audio_mixer->get_locut_enabled(bus_index));
504 connect(ui_audio_expanded_view->locut_enabled, &QCheckBox::stateChanged, [this, bus_index](int state){
505 global_audio_mixer->set_locut_enabled(bus_index, state == Qt::Checked);
506 midi_mapper.refresh_lights();
509 connect(ui_audio_expanded_view->treble_knob, &QDial::valueChanged,
510 bind(&MainWindow::eq_knob_changed, this, bus_index, EQ_BAND_TREBLE, _1));
511 connect(ui_audio_expanded_view->mid_knob, &QDial::valueChanged,
512 bind(&MainWindow::eq_knob_changed, this, bus_index, EQ_BAND_MID, _1));
513 connect(ui_audio_expanded_view->bass_knob, &QDial::valueChanged,
514 bind(&MainWindow::eq_knob_changed, this, bus_index, EQ_BAND_BASS, _1));
516 ui_audio_expanded_view->gainstaging_knob->setValue(global_audio_mixer->get_gain_staging_db(bus_index));
517 ui_audio_expanded_view->gainstaging_auto_checkbox->setChecked(global_audio_mixer->get_gain_staging_auto(bus_index));
518 ui_audio_expanded_view->compressor_enabled->setChecked(global_audio_mixer->get_compressor_enabled(bus_index));
520 connect(ui_audio_expanded_view->gainstaging_knob, &QAbstractSlider::valueChanged, bind(&MainWindow::gain_staging_knob_changed, this, bus_index, _1));
521 connect(ui_audio_expanded_view->gainstaging_auto_checkbox, &QCheckBox::stateChanged, [this, bus_index](int state){
522 global_audio_mixer->set_gain_staging_auto(bus_index, state == Qt::Checked);
523 midi_mapper.refresh_lights();
526 connect(ui_audio_expanded_view->compressor_threshold_knob, &QDial::valueChanged, bind(&MainWindow::compressor_threshold_knob_changed, this, bus_index, _1));
527 connect(ui_audio_expanded_view->compressor_enabled, &QCheckBox::stateChanged, [this, bus_index](int state){
528 global_audio_mixer->set_compressor_enabled(bus_index, state == Qt::Checked);
529 midi_mapper.refresh_lights();
532 slave_fader(audio_miniviews[bus_index]->fader, ui_audio_expanded_view->fader);
534 // Set up the peak meter.
535 VUMeter *peak_meter = ui_audio_expanded_view->peak_meter;
536 peak_meter->set_min_level(-30.0f);
537 peak_meter->set_max_level(0.0f);
538 peak_meter->set_ref_level(0.0f);
540 connect(ui_audio_expanded_view->peak_display_label, &ClickableLabel::clicked,
541 [this, bus_index]() {
542 global_audio_mixer->reset_peak(bus_index);
543 midi_mapper.refresh_lights();
547 update_cutoff_labels(global_audio_mixer->get_locut_cutoff());
550 void MainWindow::mixer_shutting_down()
552 ui->me_live->clean_context();
553 ui->me_preview->clean_context();
554 for (Ui::Display *display : previews) {
555 display->display->clean_context();
559 void MainWindow::cut_triggered()
561 global_mixer->schedule_cut();
564 void MainWindow::x264_bitrate_triggered()
567 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);
568 if (ok && new_bitrate >= 100 && new_bitrate <= 100000) {
569 global_flags.x264_bitrate = new_bitrate;
570 global_mixer->change_x264_bitrate(new_bitrate);
574 void MainWindow::exit_triggered()
579 void MainWindow::manual_triggered()
581 if (!QDesktopServices::openUrl(QUrl("https://nageru.sesse.net/doc/"))) {
583 msgbox.setText("Could not launch manual in web browser.\nPlease see https://nageru.sesse.net/doc/ manually.");
588 void MainWindow::about_triggered()
590 AboutDialog().exec();
593 void MainWindow::simple_audio_mode_triggered()
595 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
598 unsigned card_index = global_audio_mixer->get_simple_input();
599 if (card_index == numeric_limits<unsigned>::max()) {
600 QMessageBox::StandardButton reply =
601 QMessageBox::question(this,
602 "Mapping too complex",
603 "The current audio mapping is too complicated to be representable in simple mode, "
604 "and will be discarded if you proceed. Really go to simple audio mode?",
605 QMessageBox::Yes | QMessageBox::No);
606 if (reply == QMessageBox::No) {
607 ui->simple_audio_mode->setChecked(false);
608 ui->multichannel_audio_mode->setChecked(true);
613 global_audio_mixer->set_simple_input(/*card_index=*/card_index);
614 reset_audio_mapping_ui();
617 void MainWindow::multichannel_audio_mode_triggered()
619 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
623 // Take the generated input mapping from the simple input,
624 // and set it as a normal multichannel mapping, which causes
625 // the mode to go to multichannel.
626 global_audio_mixer->set_input_mapping(global_audio_mixer->get_input_mapping());
627 reset_audio_mapping_ui();
630 void MainWindow::input_mapping_triggered()
632 if (InputMappingDialog().exec() == QDialog::Accepted) {
633 setup_audio_miniview();
634 setup_audio_expanded_view();
636 midi_mapper.refresh_highlights();
637 midi_mapper.refresh_lights();
640 void MainWindow::midi_mapping_triggered()
642 MIDIMappingDialog(&midi_mapper).exec();
645 void MainWindow::timecode_stream_triggered()
647 global_mixer->set_display_timecode_in_stream(ui->timecode_stream_action->isChecked());
650 void MainWindow::timecode_stdout_triggered()
652 global_mixer->set_display_timecode_on_stdout(ui->timecode_stdout_action->isChecked());
655 void MainWindow::gain_staging_knob_changed(unsigned bus_index, int value)
657 if (bus_index == 0) {
658 ui->gainstaging_auto_checkbox->setCheckState(Qt::Unchecked);
660 if (bus_index < audio_expanded_views.size()) {
661 audio_expanded_views[bus_index]->gainstaging_auto_checkbox->setCheckState(Qt::Unchecked);
664 float gain_db = value * 0.1f;
665 global_audio_mixer->set_gain_staging_db(bus_index, gain_db);
667 // The label will be updated by the audio level callback.
670 void MainWindow::final_makeup_gain_knob_changed(int value)
672 ui->makeup_gain_auto_checkbox->setCheckState(Qt::Unchecked);
674 float gain_db = value * 0.1f;
675 global_audio_mixer->set_final_makeup_gain_db(gain_db);
677 // The label will be updated by the audio level callback.
680 void MainWindow::cutoff_knob_changed(int value)
682 float octaves = value * 0.1f;
683 float cutoff_hz = 20.0 * pow(2.0, octaves);
684 global_audio_mixer->set_locut_cutoff(cutoff_hz);
685 update_cutoff_labels(cutoff_hz);
688 void MainWindow::update_cutoff_labels(float cutoff_hz)
691 snprintf(buf, sizeof(buf), "%ld Hz", lrintf(cutoff_hz));
692 ui->locut_cutoff_display->setText(buf);
693 ui->locut_cutoff_display_2->setText(buf);
695 for (unsigned bus_index = 0; bus_index < audio_expanded_views.size(); ++bus_index) {
696 audio_expanded_views[bus_index]->locut_enabled->setText(
697 QString("Lo-cut: ") + buf);
701 void MainWindow::report_disk_space(off_t free_bytes, double estimated_seconds_left)
704 if (estimated_seconds_left < 60.0) {
705 strcpy(time_str, "<font color=\"red\">Less than a minute</font>");
706 } else if (estimated_seconds_left < 1800.0) { // Less than half an hour: Xm Ys (red).
707 int s = lrintf(estimated_seconds_left);
710 snprintf(time_str, sizeof(time_str), "<font color=\"red\">%dm %ds</font>", m, s);
711 } else if (estimated_seconds_left < 3600.0) { // Less than an hour: Xm.
712 int m = lrintf(estimated_seconds_left / 60.0);
713 snprintf(time_str, sizeof(time_str), "%dm", m);
714 } else if (estimated_seconds_left < 36000.0) { // Less than ten hours: Xh Ym.
715 int m = lrintf(estimated_seconds_left / 60.0);
718 snprintf(time_str, sizeof(time_str), "%dh %dm", h, m);
719 } else { // More than ten hours: Xh.
720 int h = lrintf(estimated_seconds_left / 3600.0);
721 snprintf(time_str, sizeof(time_str), "%dh", h);
724 snprintf(buf, sizeof(buf), "Disk free: %'.0f MB (approx. %s)", free_bytes / 1048576.0, time_str);
726 std::string label = buf;
728 post_to_main_thread([this, label]{
729 disk_free_label->setText(QString::fromStdString(label));
730 ui->menuBar->setCornerWidget(disk_free_label); // Need to set this again for the sizing to get right.
734 void MainWindow::eq_knob_changed(unsigned bus_index, EQBand band, int value)
736 float gain_db = value * 0.1f;
737 global_audio_mixer->set_eq(bus_index, band, gain_db);
739 update_eq_label(bus_index, band, gain_db);
742 void MainWindow::update_eq_label(unsigned bus_index, EQBand band, float gain_db)
744 Ui::AudioExpandedView *view = audio_expanded_views[bus_index];
745 string db_string = format_db(gain_db, DB_WITH_SIGN);
748 view->treble_label->setText(QString::fromStdString("Treble: " + db_string));
751 view->mid_label->setText(QString::fromStdString("Mid: " + db_string));
754 view->bass_label->setText(QString::fromStdString("Bass: " + db_string));
761 void MainWindow::limiter_threshold_knob_changed(int value)
763 float threshold_dbfs = value * 0.1f;
764 global_audio_mixer->set_limiter_threshold_dbfs(threshold_dbfs);
765 ui->limiter_threshold_db_display->setText(
766 QString::fromStdString(format_db(threshold_dbfs, DB_WITH_SIGN)));
767 ui->limiter_threshold_db_display_2->setText(
768 QString::fromStdString(format_db(threshold_dbfs, DB_WITH_SIGN)));
771 void MainWindow::compressor_threshold_knob_changed(unsigned bus_index, int value)
773 float threshold_dbfs = value * 0.1f;
774 global_audio_mixer->set_compressor_threshold_dbfs(bus_index, threshold_dbfs);
776 QString label(QString::fromStdString(format_db(threshold_dbfs, DB_WITH_SIGN)));
777 if (bus_index == 0) {
778 ui->compressor_threshold_db_display->setText(label);
780 if (bus_index < audio_expanded_views.size()) {
781 audio_expanded_views[bus_index]->compressor_threshold_db_display->setText(label);
785 void MainWindow::mini_fader_changed(int bus, double volume_db)
787 QString label(QString::fromStdString(format_db(volume_db, DB_WITH_SIGN)));
788 audio_miniviews[bus]->fader_label->setText(label);
789 audio_expanded_views[bus]->fader_label->setText(label);
791 global_audio_mixer->set_fader_volume(bus, volume_db);
794 void MainWindow::mute_button_toggled(int bus, bool checked)
796 global_audio_mixer->set_mute(bus, checked);
797 midi_mapper.refresh_lights();
800 void MainWindow::reset_meters_button_clicked()
802 global_audio_mixer->reset_meters();
803 ui->peak_display->setText(QString::fromStdString(format_db(-HUGE_VAL, DB_WITH_SIGN | DB_BARE)));
804 ui->peak_display->setStyleSheet("");
807 void MainWindow::audio_level_callback(float level_lufs, float peak_db, vector<AudioMixer::BusLevel> bus_levels,
808 float global_level_lufs,
809 float range_low_lufs, float range_high_lufs,
810 float final_makeup_gain_db,
813 steady_clock::time_point now = steady_clock::now();
815 // The meters are somewhat inefficient to update. Only update them
816 // every 100 ms or so (we get updates every 5–20 ms). Note that this
817 // means that the digital peak meters are ever so slightly too low
818 // (each update won't be a faithful representation of the highest peak
819 // since the previous update, since there are frames we won't draw),
820 // but the _peak_ of the peak meters will be correct (it's tracked in
821 // AudioMixer, not here), and that's much more important.
822 double last_update_age = duration<double>(now - last_audio_level_callback).count();
823 if (last_update_age < 0.100) {
826 last_audio_level_callback = now;
828 post_to_main_thread([=]() {
829 ui->vu_meter->set_level(level_lufs);
830 for (unsigned bus_index = 0; bus_index < bus_levels.size(); ++bus_index) {
831 if (bus_index < audio_miniviews.size()) {
832 const AudioMixer::BusLevel &level = bus_levels[bus_index];
833 Ui::AudioMiniView *miniview = audio_miniviews[bus_index];
834 miniview->peak_meter->set_level(
835 level.current_level_dbfs[0], level.current_level_dbfs[1]);
836 miniview->peak_meter->set_peak(
837 level.peak_level_dbfs[0], level.peak_level_dbfs[1]);
838 set_peak_label(miniview->peak_display_label, level.historic_peak_dbfs);
840 Ui::AudioExpandedView *view = audio_expanded_views[bus_index];
841 view->peak_meter->set_level(
842 level.current_level_dbfs[0], level.current_level_dbfs[1]);
843 view->peak_meter->set_peak(
844 level.peak_level_dbfs[0], level.peak_level_dbfs[1]);
845 view->reduction_meter->set_reduction_db(level.compressor_attenuation_db);
846 view->gainstaging_knob->blockSignals(true);
847 view->gainstaging_knob->setValue(lrintf(level.gain_staging_db * 10.0f));
848 view->gainstaging_knob->blockSignals(false);
849 view->gainstaging_db_display->setText(
851 QString::fromStdString(format_db(level.gain_staging_db, DB_WITH_SIGN)));
852 set_peak_label(view->peak_display_label, level.historic_peak_dbfs);
854 midi_mapper.set_has_peaked(bus_index, level.historic_peak_dbfs >= -0.1f);
857 ui->lra_meter->set_levels(global_level_lufs, range_low_lufs, range_high_lufs);
858 ui->correlation_meter->set_correlation(correlation);
860 ui->peak_display->setText(QString::fromStdString(format_db(peak_db, DB_BARE)));
861 set_peak_label(ui->peak_display, peak_db);
863 // NOTE: Will be invisible when using multitrack audio.
864 ui->gainstaging_knob->blockSignals(true);
865 ui->gainstaging_knob->setValue(lrintf(bus_levels[0].gain_staging_db * 10.0f));
866 ui->gainstaging_knob->blockSignals(false);
867 ui->gainstaging_db_display->setText(
868 QString::fromStdString(format_db(bus_levels[0].gain_staging_db, DB_WITH_SIGN)));
870 ui->makeup_gain_knob->blockSignals(true);
871 ui->makeup_gain_knob->setValue(lrintf(final_makeup_gain_db * 10.0f));
872 ui->makeup_gain_knob->blockSignals(false);
873 ui->makeup_gain_db_display->setText(
874 QString::fromStdString(format_db(final_makeup_gain_db, DB_WITH_SIGN)));
875 ui->makeup_gain_db_display_2->setText(
876 QString::fromStdString(format_db(final_makeup_gain_db, DB_WITH_SIGN)));
878 // Peak labels could have changed.
879 midi_mapper.refresh_lights();
883 void MainWindow::relayout()
885 int height = ui->vertical_layout->geometry().height();
887 double remaining_height = height;
889 // Allocate the height; the most important part is to keep the main displays
890 // at the right aspect if at all possible.
891 double me_width = ui->me_preview->width();
892 double me_height = me_width * double(global_flags.height) / double(global_flags.width) + ui->label_preview->height() + ui->preview_vertical_layout->spacing();
894 // TODO: Scale the widths when we need to do this.
895 if (me_height / double(height) > 0.8) {
896 me_height = height * 0.8;
898 remaining_height -= me_height + ui->vertical_layout->spacing();
900 // Space between the M/E displays and the audio strip.
901 remaining_height -= ui->vertical_layout->spacing();
903 // The label above the audio strip.
904 double compact_label_height = ui->compact_label->minimumHeight() +
905 ui->compact_audio_layout->spacing();
906 remaining_height -= compact_label_height;
908 // The previews will be constrained by the remaining height, and the width.
909 double preview_label_height = previews[0]->title_bar->geometry().height() +
910 previews[0]->main_vertical_layout->spacing();
911 int preview_total_width = ui->preview_displays->geometry().width() - (previews.size() - 1) * ui->preview_displays->spacing();
912 double preview_height = min(remaining_height - preview_label_height, (preview_total_width / double(previews.size())) * double(global_flags.height) / double(global_flags.width));
913 remaining_height -= preview_height + preview_label_height + ui->vertical_layout->spacing();
915 ui->vertical_layout->setStretch(0, lrintf(me_height));
916 ui->vertical_layout->setStretch(1,
917 lrintf(compact_label_height) +
918 lrintf(remaining_height) +
919 lrintf(preview_height + preview_label_height)); // Audio strip and previews together.
921 ui->compact_audio_layout->setStretch(0, lrintf(compact_label_height));
922 ui->compact_audio_layout->setStretch(1, lrintf(remaining_height)); // Audio strip.
923 ui->compact_audio_layout->setStretch(2, lrintf(preview_height + preview_label_height));
925 // Set the widths for the previews.
926 double preview_width = preview_height * double(global_flags.width) / double(global_flags.height);
927 for (unsigned i = 0; i < previews.size(); ++i) {
928 ui->preview_displays->setStretch(i, lrintf(preview_width));
931 // The preview horizontal spacer.
932 double remaining_preview_width = preview_total_width - previews.size() * preview_width;
933 ui->preview_displays->setStretch(previews.size(), lrintf(remaining_preview_width));
936 void MainWindow::set_locut(float value)
938 set_relative_value(ui->locut_cutoff_knob, value);
941 void MainWindow::set_limiter_threshold(float value)
943 set_relative_value(ui->limiter_threshold_knob, value);
946 void MainWindow::set_makeup_gain(float value)
948 set_relative_value(ui->makeup_gain_knob, value);
951 void MainWindow::set_treble(unsigned bus_idx, float value)
953 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::treble_knob, value);
956 void MainWindow::set_mid(unsigned bus_idx, float value)
958 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::mid_knob, value);
961 void MainWindow::set_bass(unsigned bus_idx, float value)
963 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::bass_knob, value);
966 void MainWindow::set_gain(unsigned bus_idx, float value)
968 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_knob, value);
971 void MainWindow::set_compressor_threshold(unsigned bus_idx, float value)
973 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_threshold_knob, value);
976 void MainWindow::set_fader(unsigned bus_idx, float value)
978 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::fader, value);
981 void MainWindow::toggle_mute(unsigned bus_idx)
983 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::mute_button);
986 void MainWindow::toggle_locut(unsigned bus_idx)
988 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::locut_enabled);
991 void MainWindow::toggle_auto_gain_staging(unsigned bus_idx)
993 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_auto_checkbox);
996 void MainWindow::toggle_compressor(unsigned bus_idx)
998 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_enabled);
1001 void MainWindow::clear_peak(unsigned bus_idx)
1003 post_to_main_thread([=]{
1004 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
1005 global_audio_mixer->reset_peak(bus_idx);
1006 midi_mapper.set_has_peaked(bus_idx, false);
1007 midi_mapper.refresh_lights();
1012 void MainWindow::clear_all_highlights()
1014 post_to_main_thread([this]{
1015 highlight_locut(false);
1016 highlight_limiter_threshold(false);
1017 highlight_makeup_gain(false);
1018 highlight_toggle_limiter(false);
1019 highlight_toggle_auto_makeup_gain(false);
1020 for (unsigned bus_idx = 0; bus_idx < audio_expanded_views.size(); ++bus_idx) {
1021 highlight_treble(bus_idx, false);
1022 highlight_mid(bus_idx, false);
1023 highlight_bass(bus_idx, false);
1024 highlight_gain(bus_idx, false);
1025 highlight_compressor_threshold(bus_idx, false);
1026 highlight_fader(bus_idx, false);
1027 highlight_mute(bus_idx, false);
1028 highlight_toggle_locut(bus_idx, false);
1029 highlight_toggle_auto_gain_staging(bus_idx, false);
1030 highlight_toggle_compressor(bus_idx, false);
1035 void MainWindow::toggle_limiter()
1037 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
1038 ui->limiter_enabled->click();
1042 void MainWindow::toggle_auto_makeup_gain()
1044 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
1045 ui->makeup_gain_auto_checkbox->click();
1049 void MainWindow::highlight_locut(bool highlight)
1051 post_to_main_thread([this, highlight]{
1052 highlight_control(ui->locut_cutoff_knob, highlight);
1053 highlight_control(ui->locut_cutoff_knob_2, highlight);
1057 void MainWindow::highlight_limiter_threshold(bool highlight)
1059 post_to_main_thread([this, highlight]{
1060 highlight_control(ui->limiter_threshold_knob, highlight);
1061 highlight_control(ui->limiter_threshold_knob_2, highlight);
1065 void MainWindow::highlight_makeup_gain(bool highlight)
1067 post_to_main_thread([this, highlight]{
1068 highlight_control(ui->makeup_gain_knob, highlight);
1069 highlight_control(ui->makeup_gain_knob_2, highlight);
1073 void MainWindow::highlight_treble(unsigned bus_idx, bool highlight)
1075 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::treble_knob, highlight);
1078 void MainWindow::highlight_mid(unsigned bus_idx, bool highlight)
1080 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::mid_knob, highlight);
1083 void MainWindow::highlight_bass(unsigned bus_idx, bool highlight)
1085 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::bass_knob, highlight);
1088 void MainWindow::highlight_gain(unsigned bus_idx, bool highlight)
1090 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_knob, highlight);
1093 void MainWindow::highlight_compressor_threshold(unsigned bus_idx, bool highlight)
1095 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_threshold_knob, highlight);
1098 void MainWindow::highlight_fader(unsigned bus_idx, bool highlight)
1100 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::fader, highlight);
1103 void MainWindow::highlight_mute(unsigned bus_idx, bool highlight)
1105 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::mute_button, highlight, /*is_mute_btton=*/true);
1108 void MainWindow::highlight_toggle_locut(unsigned bus_idx, bool highlight)
1110 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::locut_enabled, highlight);
1113 void MainWindow::highlight_toggle_auto_gain_staging(unsigned bus_idx, bool highlight)
1115 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_auto_checkbox, highlight);
1118 void MainWindow::highlight_toggle_compressor(unsigned bus_idx, bool highlight)
1120 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_enabled, highlight);
1123 void MainWindow::highlight_toggle_limiter(bool highlight)
1125 post_to_main_thread([this, highlight]{
1126 highlight_control(ui->limiter_enabled, highlight);
1127 highlight_control(ui->limiter_enabled_2, highlight);
1131 void MainWindow::highlight_toggle_auto_makeup_gain(bool highlight)
1133 post_to_main_thread([this, highlight]{
1134 highlight_control(ui->makeup_gain_auto_checkbox, highlight);
1135 highlight_control(ui->makeup_gain_auto_checkbox_2, highlight);
1140 void MainWindow::set_relative_value(T *control, float value)
1142 post_to_main_thread([control, value]{
1143 control->setValue(lrintf(control->minimum() + value * (control->maximum() - control->minimum())));
1148 void MainWindow::set_relative_value_if_exists(unsigned bus_idx, T *(Ui_AudioExpandedView::*control), float value)
1150 if (global_audio_mixer != nullptr &&
1151 global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL &&
1152 bus_idx < audio_expanded_views.size()) {
1153 set_relative_value(audio_expanded_views[bus_idx]->*control, value);
1158 void MainWindow::click_button_if_exists(unsigned bus_idx, T *(Ui_AudioExpandedView::*control))
1160 post_to_main_thread([this, bus_idx, control]{
1161 if (global_audio_mixer != nullptr &&
1162 global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL &&
1163 bus_idx < audio_expanded_views.size()) {
1164 (audio_expanded_views[bus_idx]->*control)->click();
1170 void MainWindow::highlight_control(T *control, bool highlight)
1172 if (control == nullptr) {
1175 if (global_audio_mixer == nullptr ||
1176 global_audio_mixer->get_mapping_mode() != AudioMixer::MappingMode::MULTICHANNEL) {
1180 control->setStyleSheet("background: rgb(0,255,0,80)");
1182 control->setStyleSheet("");
1187 void MainWindow::highlight_mute_control(T *control, bool highlight)
1189 if (control == nullptr) {
1192 if (global_audio_mixer == nullptr ||
1193 global_audio_mixer->get_mapping_mode() != AudioMixer::MappingMode::MULTICHANNEL) {
1197 control->setStyleSheet("QPushButton { background: rgb(0,255,0,80); } QPushButton:checked { background: rgba(255,80,0,140); }");
1199 control->setStyleSheet("QPushButton:checked { background: rgba(255,0,0,80); }");
1204 void MainWindow::highlight_control_if_exists(unsigned bus_idx, T *(Ui_AudioExpandedView::*control), bool highlight, bool is_mute_button)
1206 post_to_main_thread([this, bus_idx, control, highlight, is_mute_button]{
1207 if (bus_idx < audio_expanded_views.size()) {
1208 if (is_mute_button) {
1209 highlight_mute_control(audio_expanded_views[bus_idx]->*control, highlight);
1211 highlight_control(audio_expanded_views[bus_idx]->*control, highlight);
1217 void MainWindow::set_transition_names(vector<string> transition_names)
1219 if (transition_names.size() < 1 || transition_names[0].empty()) {
1220 transition_btn1->setText(QString(""));
1222 transition_btn1->setText(QString::fromStdString(transition_names[0] + " (J)"));
1223 ui->transition_btn1->setShortcut(QKeySequence("J"));
1225 if (transition_names.size() < 2 || transition_names[1].empty()) {
1226 transition_btn2->setText(QString(""));
1228 transition_btn2->setText(QString::fromStdString(transition_names[1] + " (K)"));
1229 ui->transition_btn2->setShortcut(QKeySequence("K"));
1231 if (transition_names.size() < 3 || transition_names[2].empty()) {
1232 transition_btn3->setText(QString(""));
1234 transition_btn3->setText(QString::fromStdString(transition_names[2] + " (L)"));
1235 ui->transition_btn3->setShortcut(QKeySequence("L"));
1239 void MainWindow::update_channel_name(Mixer::Output output, const string &name)
1241 if (output >= Mixer::OUTPUT_INPUT0) {
1242 unsigned channel = output - Mixer::OUTPUT_INPUT0;
1243 previews[channel]->label->setText(name.c_str());
1247 void MainWindow::update_channel_color(Mixer::Output output, const string &color)
1249 if (output >= Mixer::OUTPUT_INPUT0) {
1250 unsigned channel = output - Mixer::OUTPUT_INPUT0;
1251 previews[channel]->frame->setStyleSheet(QString::fromStdString("background-color:" + color));
1255 void MainWindow::transition_clicked(int transition_number)
1257 global_mixer->transition_clicked(transition_number);
1260 void MainWindow::channel_clicked(int channel_number)
1262 if (current_wb_pick_display == channel_number) {
1263 // The picking was already done from eventFilter(), since we don't get
1264 // the mouse pointer here.
1266 global_mixer->channel_clicked(channel_number);
1270 void MainWindow::wb_button_clicked(int channel_number)
1272 current_wb_pick_display = channel_number;
1273 QApplication::setOverrideCursor(Qt::CrossCursor);
1276 bool MainWindow::eventFilter(QObject *watched, QEvent *event)
1278 if (current_wb_pick_display != -1 &&
1279 event->type() == QEvent::MouseButtonRelease &&
1280 watched->isWidgetType()) {
1281 QApplication::restoreOverrideCursor();
1282 if (watched == previews[current_wb_pick_display]->display) {
1283 const QMouseEvent *mouse_event = (QMouseEvent *)event;
1284 set_white_balance(current_wb_pick_display, mouse_event->x(), mouse_event->y());
1286 // The user clicked on something else, give up.
1287 // (The click goes through, which might not be ideal, but, yes.)
1288 current_wb_pick_display = -1;
1296 double srgb_to_linear(double x)
1301 return pow((x + 0.055) / 1.055, 2.4);
1307 void MainWindow::set_white_balance(int channel_number, int x, int y)
1309 // Set the white balance to neutral for the grab. It's probably going to
1310 // flicker a bit, but hopefully this display is not live anyway.
1311 global_mixer->set_wb(Mixer::OUTPUT_INPUT0 + channel_number, 0.5, 0.5, 0.5);
1312 previews[channel_number]->display->updateGL();
1313 QRgb reference_color = previews[channel_number]->display->grabFrameBuffer().pixel(x, y);
1315 double r = srgb_to_linear(qRed(reference_color) / 255.0);
1316 double g = srgb_to_linear(qGreen(reference_color) / 255.0);
1317 double b = srgb_to_linear(qBlue(reference_color) / 255.0);
1318 global_mixer->set_wb(Mixer::OUTPUT_INPUT0 + channel_number, r, g, b);
1319 previews[channel_number]->display->updateGL();
1322 void MainWindow::audio_state_changed()
1324 post_to_main_thread([this]{
1325 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
1328 InputMapping mapping = global_audio_mixer->get_input_mapping();
1329 for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) {
1330 const InputMapping::Bus &bus = mapping.buses[bus_index];
1332 if (bus.device.type == InputSourceType::ALSA_INPUT) {
1333 ALSAPool::Device::State state = global_audio_mixer->get_alsa_card_state(bus.device.index);
1334 if (state == ALSAPool::Device::State::STARTING) {
1336 } else if (state == ALSAPool::Device::State::DEAD) {
1341 audio_miniviews[bus_index]->bus_desc_label->setFullText(
1342 QString::fromStdString(bus.name + suffix));
1343 audio_expanded_views[bus_index]->bus_desc_label->setFullText(
1344 QString::fromStdString(bus.name + suffix));