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_NO_FLAGS = 0x0;
133 constexpr unsigned DB_WITH_SIGN = 0x1;
134 constexpr unsigned DB_BARE = 0x2;
136 string format_db(double db, unsigned flags)
139 if (flags & DB_WITH_SIGN) {
142 snprintf(buf, sizeof(buf), "%+.1f", db);
144 } else if (db < 0.0) {
147 // Should never happen, really.
153 snprintf(buf, sizeof(buf), "%.1f", db);
155 } else if (db < 0.0) {
158 // Should never happen, really.
162 if (!(flags & DB_BARE)) {
168 void set_peak_label(QLabel *peak_label, float peak_db)
170 peak_label->setText(QString::fromStdString(format_db(peak_db, DB_BARE)));
172 if (peak_db > peak_limit_dbfs) {
173 peak_label->setStyleSheet("QLabel { background-color: red; color: white; }");
175 peak_label->setStyleSheet("");
181 MainWindow::MainWindow()
182 : ui(new Ui::MainWindow), midi_mapper(this)
184 global_mainwindow = this;
187 global_disk_space_estimator = new DiskSpaceEstimator(bind(&MainWindow::report_disk_space, this, _1, _2));
188 disk_free_label = new QLabel(this);
189 disk_free_label->setStyleSheet("QLabel {padding-right: 5px;}");
190 ui->menuBar->setCornerWidget(disk_free_label);
192 QActionGroup *audio_mapping_group = new QActionGroup(this);
193 ui->simple_audio_mode->setActionGroup(audio_mapping_group);
194 ui->multichannel_audio_mode->setActionGroup(audio_mapping_group);
196 ui->me_live->set_output(Mixer::OUTPUT_LIVE);
197 ui->me_preview->set_output(Mixer::OUTPUT_PREVIEW);
200 connect(ui->cut_action, &QAction::triggered, this, &MainWindow::cut_triggered);
201 connect(ui->exit_action, &QAction::triggered, this, &MainWindow::exit_triggered);
202 connect(ui->manual_action, &QAction::triggered, this, &MainWindow::manual_triggered);
203 connect(ui->about_action, &QAction::triggered, this, &MainWindow::about_triggered);
204 connect(ui->open_analyzer_action, &QAction::triggered, this, &MainWindow::open_analyzer_triggered);
205 connect(ui->simple_audio_mode, &QAction::triggered, this, &MainWindow::simple_audio_mode_triggered);
206 connect(ui->multichannel_audio_mode, &QAction::triggered, this, &MainWindow::multichannel_audio_mode_triggered);
207 connect(ui->input_mapping_action, &QAction::triggered, this, &MainWindow::input_mapping_triggered);
208 connect(ui->midi_mapping_action, &QAction::triggered, this, &MainWindow::midi_mapping_triggered);
209 connect(ui->timecode_stream_action, &QAction::triggered, this, &MainWindow::timecode_stream_triggered);
210 connect(ui->timecode_stdout_action, &QAction::triggered, this, &MainWindow::timecode_stdout_triggered);
212 ui->timecode_stream_action->setChecked(global_flags.display_timecode_in_stream);
213 ui->timecode_stdout_action->setChecked(global_flags.display_timecode_on_stdout);
215 if (global_flags.x264_video_to_http && isinf(global_flags.x264_crf)) {
216 connect(ui->x264_bitrate_action, &QAction::triggered, this, &MainWindow::x264_bitrate_triggered);
218 ui->x264_bitrate_action->setEnabled(false);
221 connect(ui->video_menu, &QMenu::aboutToShow, [this]{
222 fill_hdmi_sdi_output_device_menu(ui->hdmi_sdi_output_device_menu);
223 fill_hdmi_sdi_output_resolution_menu(ui->hdmi_sdi_output_resolution_menu);
226 // Hook up the transition buttons. (Keyboard shortcuts are set in set_transition_names().)
227 // TODO: Make them dynamic.
228 connect(ui->transition_btn1, &QPushButton::clicked, bind(&MainWindow::transition_clicked, this, 0));
229 connect(ui->transition_btn2, &QPushButton::clicked, bind(&MainWindow::transition_clicked, this, 1));
230 connect(ui->transition_btn3, &QPushButton::clicked, bind(&MainWindow::transition_clicked, this, 2));
233 transition_btn1 = ui->transition_btn1;
234 transition_btn2 = ui->transition_btn2;
235 transition_btn3 = ui->transition_btn3;
236 qRegisterMetaType<string>("std::string");
237 qRegisterMetaType<vector<string>>("std::vector<std::string>");
238 connect(ui->me_live, &GLWidget::transition_names_updated, this, &MainWindow::set_transition_names);
239 qRegisterMetaType<Mixer::Output>("Mixer::Output");
241 // Hook up the prev/next buttons on the audio views.
242 connect(ui->compact_prev_page, &QAbstractButton::clicked, bind(&QStackedWidget::setCurrentIndex, ui->audio_views, 1));
243 connect(ui->compact_next_page, &QAbstractButton::clicked, bind(&QStackedWidget::setCurrentIndex, ui->audio_views, 1));
244 connect(ui->full_prev_page, &QAbstractButton::clicked, bind(&QStackedWidget::setCurrentIndex, ui->audio_views, 0));
245 connect(ui->full_next_page, &QAbstractButton::clicked, bind(&QStackedWidget::setCurrentIndex, ui->audio_views, 0));
247 // And bind the same to PgUp/PgDown.
248 auto switch_page = [this]{
249 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
250 ui->audio_views->setCurrentIndex(1 - ui->audio_views->currentIndex());
253 connect(new QShortcut(QKeySequence::MoveToNextPage, this), &QShortcut::activated, switch_page);
254 connect(new QShortcut(QKeySequence::MoveToPreviousPage, this), &QShortcut::activated, switch_page);
256 last_audio_level_callback = steady_clock::now() - seconds(1);
258 if (!global_flags.midi_mapping_filename.empty()) {
259 MIDIMappingProto midi_mapping;
260 if (!load_midi_mapping_from_file(global_flags.midi_mapping_filename, &midi_mapping)) {
261 fprintf(stderr, "Couldn't load MIDI mapping '%s'; exiting.\n",
262 global_flags.midi_mapping_filename.c_str());
265 midi_mapper.set_midi_mapping(midi_mapping);
267 midi_mapper.refresh_highlights();
268 midi_mapper.refresh_lights();
271 void MainWindow::resizeEvent(QResizeEvent* event)
273 QMainWindow::resizeEvent(event);
275 // Ask for a relayout, but only after the event loop is done doing relayout
276 // on everything else.
277 QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
280 void MainWindow::mixer_created(Mixer *mixer)
282 // Make the previews.
283 unsigned num_previews = mixer->get_num_channels();
285 for (unsigned i = 0; i < num_previews; ++i) {
286 Mixer::Output output = Mixer::Output(Mixer::OUTPUT_INPUT0 + i);
288 QWidget *preview = new QWidget(this);
289 Ui::Display *ui_display = new Ui::Display;
290 ui_display->setupUi(preview);
291 ui_display->label->setText(mixer->get_channel_name(output).c_str());
292 ui_display->display->set_output(output);
293 ui->preview_displays->insertWidget(previews.size(), preview, 1);
294 previews.push_back(ui_display);
296 // Hook up the click.
297 connect(ui_display->display, &GLWidget::clicked, bind(&MainWindow::channel_clicked, this, i));
299 // Let the theme update the text whenever the resolution or color changed.
300 connect(ui_display->display, &GLWidget::name_updated, this, &MainWindow::update_channel_name);
301 connect(ui_display->display, &GLWidget::color_updated, this, &MainWindow::update_channel_color);
303 // Hook up the keyboard key.
304 QShortcut *shortcut = new QShortcut(QKeySequence(Qt::Key_1 + i), this);
305 connect(shortcut, &QShortcut::activated, bind(&MainWindow::channel_clicked, this, i));
307 // Hook up the white balance button (irrelevant if invisible).
308 ui_display->wb_button->setVisible(mixer->get_supports_set_wb(output));
309 connect(ui_display->wb_button, &QPushButton::clicked, bind(&MainWindow::wb_button_clicked, this, i));
312 global_audio_mixer->set_state_changed_callback(bind(&MainWindow::audio_state_changed, this));
314 slave_knob(ui->locut_cutoff_knob, ui->locut_cutoff_knob_2);
315 slave_knob(ui->limiter_threshold_knob, ui->limiter_threshold_knob_2);
316 slave_knob(ui->makeup_gain_knob, ui->makeup_gain_knob_2);
317 slave_checkbox(ui->makeup_gain_auto_checkbox, ui->makeup_gain_auto_checkbox_2);
318 slave_checkbox(ui->limiter_enabled, ui->limiter_enabled_2);
320 reset_audio_mapping_ui();
322 // TODO: Fetch all of the values these for completeness,
323 // not just the enable knobs implied by flags.
324 ui->limiter_enabled->setChecked(global_audio_mixer->get_limiter_enabled());
325 ui->makeup_gain_auto_checkbox->setChecked(global_audio_mixer->get_final_makeup_gain_auto());
327 // Controls used only for simple audio fetch their state from the first bus.
328 constexpr unsigned simple_bus_index = 0;
329 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
330 ui->locut_enabled->setChecked(global_audio_mixer->get_locut_enabled(simple_bus_index));
331 ui->gainstaging_knob->setValue(global_audio_mixer->get_gain_staging_db(simple_bus_index));
332 ui->gainstaging_auto_checkbox->setChecked(global_audio_mixer->get_gain_staging_auto(simple_bus_index));
333 ui->compressor_enabled->setChecked(global_audio_mixer->get_compressor_enabled(simple_bus_index));
334 ui->compressor_threshold_db_display->setText(
335 QString::fromStdString(format_db(mixer->get_audio_mixer()->get_compressor_threshold_dbfs(simple_bus_index), DB_WITH_SIGN)));
337 connect(ui->locut_enabled, &QCheckBox::stateChanged, [this](int state){
338 global_audio_mixer->set_locut_enabled(simple_bus_index, state == Qt::Checked);
339 midi_mapper.refresh_lights();
341 connect(ui->gainstaging_knob, &QAbstractSlider::valueChanged,
342 bind(&MainWindow::gain_staging_knob_changed, this, simple_bus_index, _1));
343 connect(ui->gainstaging_auto_checkbox, &QCheckBox::stateChanged, [this, simple_bus_index](int state){
344 global_audio_mixer->set_gain_staging_auto(simple_bus_index, state == Qt::Checked);
345 midi_mapper.refresh_lights();
347 connect(ui->compressor_threshold_knob, &QDial::valueChanged,
348 bind(&MainWindow::compressor_threshold_knob_changed, this, simple_bus_index, _1));
349 connect(ui->compressor_enabled, &QCheckBox::stateChanged, [this, simple_bus_index](int state){
350 global_audio_mixer->set_compressor_enabled(simple_bus_index, state == Qt::Checked);
351 midi_mapper.refresh_lights();
354 // Global mastering controls.
355 QString limiter_threshold_label(
356 QString::fromStdString(format_db(mixer->get_audio_mixer()->get_limiter_threshold_dbfs(), DB_WITH_SIGN)));
357 ui->limiter_threshold_db_display->setText(limiter_threshold_label);
358 ui->limiter_threshold_db_display_2->setText(limiter_threshold_label);
360 connect(ui->locut_cutoff_knob, &QDial::valueChanged, this, &MainWindow::cutoff_knob_changed);
361 cutoff_knob_changed(ui->locut_cutoff_knob->value());
363 connect(ui->makeup_gain_knob, &QAbstractSlider::valueChanged, this, &MainWindow::final_makeup_gain_knob_changed);
364 connect(ui->makeup_gain_auto_checkbox, &QCheckBox::stateChanged, [this](int state){
365 global_audio_mixer->set_final_makeup_gain_auto(state == Qt::Checked);
366 midi_mapper.refresh_lights();
369 connect(ui->limiter_threshold_knob, &QDial::valueChanged, this, &MainWindow::limiter_threshold_knob_changed);
370 connect(ui->limiter_enabled, &QCheckBox::stateChanged, [this](int state){
371 global_audio_mixer->set_limiter_enabled(state == Qt::Checked);
372 midi_mapper.refresh_lights();
374 connect(ui->reset_meters_button, &QPushButton::clicked, this, &MainWindow::reset_meters_button_clicked);
375 // Even though we have a reset button right next to it, the fact that
376 // the expanded audio view labels are clickable makes it natural to
377 // click this one as well.
378 connect(ui->peak_display, &ClickableLabel::clicked, this, &MainWindow::reset_meters_button_clicked);
379 mixer->get_audio_mixer()->set_audio_level_callback(bind(&MainWindow::audio_level_callback, this, _1, _2, _3, _4, _5, _6, _7, _8));
381 midi_mapper.refresh_highlights();
382 midi_mapper.refresh_lights();
383 midi_mapper.start_thread();
385 analyzer.reset(new Analyzer);
387 struct sigaction act;
388 memset(&act, 0, sizeof(act));
389 act.sa_handler = schedule_cut_signal;
390 act.sa_flags = SA_RESTART;
391 sigaction(SIGHUP, &act, nullptr);
393 // Mostly for debugging. Don't override SIGINT, that's so evil if
394 // shutdown isn't instant.
395 memset(&act, 0, sizeof(act));
396 act.sa_handler = quit_signal;
397 act.sa_flags = SA_RESTART;
398 sigaction(SIGUSR1, &act, nullptr);
401 void MainWindow::reset_audio_mapping_ui()
403 bool simple = (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE);
405 ui->simple_audio_mode->setChecked(simple);
406 ui->multichannel_audio_mode->setChecked(!simple);
407 ui->input_mapping_action->setEnabled(!simple);
408 ui->midi_mapping_action->setEnabled(!simple);
410 ui->locut_enabled->setVisible(simple);
411 ui->gainstaging_label->setVisible(simple);
412 ui->gainstaging_knob->setVisible(simple);
413 ui->gainstaging_db_display->setVisible(simple);
414 ui->gainstaging_auto_checkbox->setVisible(simple);
415 ui->compressor_threshold_label->setVisible(simple);
416 ui->compressor_threshold_knob->setVisible(simple);
417 ui->compressor_threshold_db_display->setVisible(simple);
418 ui->compressor_enabled->setVisible(simple);
420 setup_audio_miniview();
421 setup_audio_expanded_view();
424 ui->audio_views->setCurrentIndex(0);
426 ui->compact_header->setVisible(!simple);
428 midi_mapper.refresh_highlights();
429 midi_mapper.refresh_lights();
432 void MainWindow::setup_audio_miniview()
434 // Remove any existing channels.
435 for (QLayoutItem *item; (item = ui->faders->takeAt(0)) != nullptr; ) {
436 delete item->widget();
439 audio_miniviews.clear();
441 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
445 // Set up brand new ones from the input mapping.
446 InputMapping mapping = global_audio_mixer->get_input_mapping();
447 audio_miniviews.resize(mapping.buses.size());
448 for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) {
449 QWidget *channel = new QWidget(this);
450 Ui::AudioMiniView *ui_audio_miniview = new Ui::AudioMiniView;
451 ui_audio_miniview->setupUi(channel);
452 ui_audio_miniview->bus_desc_label->setFullText(
453 QString::fromStdString(mapping.buses[bus_index].name));
454 audio_miniviews[bus_index] = ui_audio_miniview;
456 // Set up the peak meter.
457 VUMeter *peak_meter = ui_audio_miniview->peak_meter;
458 peak_meter->set_min_level(-30.0f);
459 peak_meter->set_max_level(0.0f);
460 peak_meter->set_ref_level(0.0f);
462 ui_audio_miniview->fader->setDbValue(global_audio_mixer->get_fader_volume(bus_index));
464 ui->faders->addWidget(channel);
466 connect(ui_audio_miniview->fader, &NonLinearFader::dbValueChanged,
467 bind(&MainWindow::mini_fader_changed, this, bus_index, _1));
468 connect(ui_audio_miniview->peak_display_label, &ClickableLabel::clicked,
470 global_audio_mixer->reset_peak(bus_index);
475 void MainWindow::setup_audio_expanded_view()
477 // Remove any existing channels.
478 for (QLayoutItem *item; (item = ui->buses->takeAt(0)) != nullptr; ) {
479 delete item->widget();
482 audio_expanded_views.clear();
484 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
488 // Set up brand new ones from the input mapping.
489 InputMapping mapping = global_audio_mixer->get_input_mapping();
490 audio_expanded_views.resize(mapping.buses.size());
491 for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) {
492 QWidget *channel = new QWidget(this);
493 Ui::AudioExpandedView *ui_audio_expanded_view = new Ui::AudioExpandedView;
494 ui_audio_expanded_view->setupUi(channel);
495 ui_audio_expanded_view->bus_desc_label->setFullText(
496 QString::fromStdString(mapping.buses[bus_index].name));
497 audio_expanded_views[bus_index] = ui_audio_expanded_view;
498 update_eq_label(bus_index, EQ_BAND_TREBLE, global_audio_mixer->get_eq(bus_index, EQ_BAND_TREBLE));
499 update_eq_label(bus_index, EQ_BAND_MID, global_audio_mixer->get_eq(bus_index, EQ_BAND_MID));
500 update_eq_label(bus_index, EQ_BAND_BASS, global_audio_mixer->get_eq(bus_index, EQ_BAND_BASS));
501 ui_audio_expanded_view->fader->setDbValue(global_audio_mixer->get_fader_volume(bus_index));
502 ui_audio_expanded_view->mute_button->setChecked(global_audio_mixer->get_mute(bus_index) ? Qt::Checked : Qt::Unchecked);
503 connect(ui_audio_expanded_view->mute_button, &QPushButton::toggled,
504 bind(&MainWindow::mute_button_toggled, this, bus_index, _1));
505 ui->buses->addWidget(channel);
507 ui_audio_expanded_view->locut_enabled->setChecked(global_audio_mixer->get_locut_enabled(bus_index));
508 connect(ui_audio_expanded_view->locut_enabled, &QCheckBox::stateChanged, [this, bus_index](int state){
509 global_audio_mixer->set_locut_enabled(bus_index, state == Qt::Checked);
510 midi_mapper.refresh_lights();
513 connect(ui_audio_expanded_view->treble_knob, &QDial::valueChanged,
514 bind(&MainWindow::eq_knob_changed, this, bus_index, EQ_BAND_TREBLE, _1));
515 connect(ui_audio_expanded_view->mid_knob, &QDial::valueChanged,
516 bind(&MainWindow::eq_knob_changed, this, bus_index, EQ_BAND_MID, _1));
517 connect(ui_audio_expanded_view->bass_knob, &QDial::valueChanged,
518 bind(&MainWindow::eq_knob_changed, this, bus_index, EQ_BAND_BASS, _1));
520 ui_audio_expanded_view->gainstaging_knob->setValue(global_audio_mixer->get_gain_staging_db(bus_index));
521 ui_audio_expanded_view->gainstaging_auto_checkbox->setChecked(global_audio_mixer->get_gain_staging_auto(bus_index));
522 ui_audio_expanded_view->compressor_enabled->setChecked(global_audio_mixer->get_compressor_enabled(bus_index));
524 connect(ui_audio_expanded_view->gainstaging_knob, &QAbstractSlider::valueChanged, bind(&MainWindow::gain_staging_knob_changed, this, bus_index, _1));
525 connect(ui_audio_expanded_view->gainstaging_auto_checkbox, &QCheckBox::stateChanged, [this, bus_index](int state){
526 global_audio_mixer->set_gain_staging_auto(bus_index, state == Qt::Checked);
527 midi_mapper.refresh_lights();
530 connect(ui_audio_expanded_view->compressor_threshold_knob, &QDial::valueChanged, bind(&MainWindow::compressor_threshold_knob_changed, this, bus_index, _1));
531 connect(ui_audio_expanded_view->compressor_enabled, &QCheckBox::stateChanged, [this, bus_index](int state){
532 global_audio_mixer->set_compressor_enabled(bus_index, state == Qt::Checked);
533 midi_mapper.refresh_lights();
536 slave_fader(audio_miniviews[bus_index]->fader, ui_audio_expanded_view->fader);
538 // Set up the peak meter.
539 VUMeter *peak_meter = ui_audio_expanded_view->peak_meter;
540 peak_meter->set_min_level(-30.0f);
541 peak_meter->set_max_level(0.0f);
542 peak_meter->set_ref_level(0.0f);
544 connect(ui_audio_expanded_view->peak_display_label, &ClickableLabel::clicked,
545 [this, bus_index]() {
546 global_audio_mixer->reset_peak(bus_index);
547 midi_mapper.refresh_lights();
551 update_cutoff_labels(global_audio_mixer->get_locut_cutoff());
554 void MainWindow::mixer_shutting_down()
556 ui->me_live->shutdown();
557 ui->me_preview->shutdown();
559 for (Ui::Display *display : previews) {
560 display->display->shutdown();
563 analyzer->mixer_shutting_down();
566 void MainWindow::cut_triggered()
568 global_mixer->schedule_cut();
571 void MainWindow::x264_bitrate_triggered()
574 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);
575 if (ok && new_bitrate >= 100 && new_bitrate <= 100000) {
576 global_flags.x264_bitrate = new_bitrate;
577 global_mixer->change_x264_bitrate(new_bitrate);
581 void MainWindow::exit_triggered()
586 void MainWindow::manual_triggered()
588 if (!QDesktopServices::openUrl(QUrl("https://nageru.sesse.net/doc/"))) {
590 msgbox.setText("Could not launch manual in web browser.\nPlease see https://nageru.sesse.net/doc/ manually.");
595 void MainWindow::about_triggered()
597 AboutDialog().exec();
600 void MainWindow::open_analyzer_triggered()
605 void MainWindow::simple_audio_mode_triggered()
607 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
610 unsigned card_index = global_audio_mixer->get_simple_input();
611 if (card_index == numeric_limits<unsigned>::max()) {
612 QMessageBox::StandardButton reply =
613 QMessageBox::question(this,
614 "Mapping too complex",
615 "The current audio mapping is too complicated to be representable in simple mode, "
616 "and will be discarded if you proceed. Really go to simple audio mode?",
617 QMessageBox::Yes | QMessageBox::No);
618 if (reply == QMessageBox::No) {
619 ui->simple_audio_mode->setChecked(false);
620 ui->multichannel_audio_mode->setChecked(true);
625 global_audio_mixer->set_simple_input(/*card_index=*/card_index);
626 reset_audio_mapping_ui();
629 void MainWindow::multichannel_audio_mode_triggered()
631 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
635 // Take the generated input mapping from the simple input,
636 // and set it as a normal multichannel mapping, which causes
637 // the mode to go to multichannel.
638 global_audio_mixer->set_input_mapping(global_audio_mixer->get_input_mapping());
639 reset_audio_mapping_ui();
642 void MainWindow::input_mapping_triggered()
644 if (InputMappingDialog().exec() == QDialog::Accepted) {
645 setup_audio_miniview();
646 setup_audio_expanded_view();
648 midi_mapper.refresh_highlights();
649 midi_mapper.refresh_lights();
652 void MainWindow::midi_mapping_triggered()
654 MIDIMappingDialog(&midi_mapper).exec();
657 void MainWindow::timecode_stream_triggered()
659 global_mixer->set_display_timecode_in_stream(ui->timecode_stream_action->isChecked());
662 void MainWindow::timecode_stdout_triggered()
664 global_mixer->set_display_timecode_on_stdout(ui->timecode_stdout_action->isChecked());
667 void MainWindow::gain_staging_knob_changed(unsigned bus_index, int value)
669 if (bus_index == 0) {
670 ui->gainstaging_auto_checkbox->setCheckState(Qt::Unchecked);
672 if (bus_index < audio_expanded_views.size()) {
673 audio_expanded_views[bus_index]->gainstaging_auto_checkbox->setCheckState(Qt::Unchecked);
676 float gain_db = value * 0.1f;
677 global_audio_mixer->set_gain_staging_db(bus_index, gain_db);
679 // The label will be updated by the audio level callback.
682 void MainWindow::final_makeup_gain_knob_changed(int value)
684 ui->makeup_gain_auto_checkbox->setCheckState(Qt::Unchecked);
686 float gain_db = value * 0.1f;
687 global_audio_mixer->set_final_makeup_gain_db(gain_db);
689 // The label will be updated by the audio level callback.
692 void MainWindow::cutoff_knob_changed(int value)
694 float octaves = value * 0.1f;
695 float cutoff_hz = 20.0 * pow(2.0, octaves);
696 global_audio_mixer->set_locut_cutoff(cutoff_hz);
697 update_cutoff_labels(cutoff_hz);
700 void MainWindow::update_cutoff_labels(float cutoff_hz)
703 snprintf(buf, sizeof(buf), "%ld Hz", lrintf(cutoff_hz));
704 ui->locut_cutoff_display->setText(buf);
705 ui->locut_cutoff_display_2->setText(buf);
707 for (unsigned bus_index = 0; bus_index < audio_expanded_views.size(); ++bus_index) {
708 audio_expanded_views[bus_index]->locut_enabled->setText(
709 QString("Lo-cut: ") + buf);
713 void MainWindow::report_disk_space(off_t free_bytes, double estimated_seconds_left)
716 if (estimated_seconds_left < 60.0) {
717 strcpy(time_str, "<font color=\"red\">Less than a minute</font>");
718 } else if (estimated_seconds_left < 1800.0) { // Less than half an hour: Xm Ys (red).
719 int s = lrintf(estimated_seconds_left);
722 snprintf(time_str, sizeof(time_str), "<font color=\"red\">%dm %ds</font>", m, s);
723 } else if (estimated_seconds_left < 3600.0) { // Less than an hour: Xm.
724 int m = lrintf(estimated_seconds_left / 60.0);
725 snprintf(time_str, sizeof(time_str), "%dm", m);
726 } else if (estimated_seconds_left < 36000.0) { // Less than ten hours: Xh Ym.
727 int m = lrintf(estimated_seconds_left / 60.0);
730 snprintf(time_str, sizeof(time_str), "%dh %dm", h, m);
731 } else { // More than ten hours: Xh.
732 int h = lrintf(estimated_seconds_left / 3600.0);
733 snprintf(time_str, sizeof(time_str), "%dh", h);
736 snprintf(buf, sizeof(buf), "Disk free: %'.0f MB (approx. %s)", free_bytes / 1048576.0, time_str);
738 std::string label = buf;
740 post_to_main_thread([this, label]{
741 disk_free_label->setText(QString::fromStdString(label));
742 ui->menuBar->setCornerWidget(disk_free_label); // Need to set this again for the sizing to get right.
746 void MainWindow::eq_knob_changed(unsigned bus_index, EQBand band, int value)
748 float gain_db = value * 0.1f;
749 global_audio_mixer->set_eq(bus_index, band, gain_db);
751 update_eq_label(bus_index, band, gain_db);
754 void MainWindow::update_eq_label(unsigned bus_index, EQBand band, float gain_db)
756 Ui::AudioExpandedView *view = audio_expanded_views[bus_index];
757 string db_string = format_db(gain_db, DB_WITH_SIGN);
760 view->treble_label->setText(QString::fromStdString("Treble: " + db_string));
763 view->mid_label->setText(QString::fromStdString("Mid: " + db_string));
766 view->bass_label->setText(QString::fromStdString("Bass: " + db_string));
773 void MainWindow::limiter_threshold_knob_changed(int value)
775 float threshold_dbfs = value * 0.1f;
776 global_audio_mixer->set_limiter_threshold_dbfs(threshold_dbfs);
777 ui->limiter_threshold_db_display->setText(
778 QString::fromStdString(format_db(threshold_dbfs, DB_WITH_SIGN)));
779 ui->limiter_threshold_db_display_2->setText(
780 QString::fromStdString(format_db(threshold_dbfs, DB_WITH_SIGN)));
783 void MainWindow::compressor_threshold_knob_changed(unsigned bus_index, int value)
785 float threshold_dbfs = value * 0.1f;
786 global_audio_mixer->set_compressor_threshold_dbfs(bus_index, threshold_dbfs);
788 QString label(QString::fromStdString(format_db(threshold_dbfs, DB_WITH_SIGN)));
789 if (bus_index == 0) {
790 ui->compressor_threshold_db_display->setText(label);
792 if (bus_index < audio_expanded_views.size()) {
793 audio_expanded_views[bus_index]->compressor_threshold_db_display->setText(label);
797 void MainWindow::mini_fader_changed(int bus, double volume_db)
799 QString label(QString::fromStdString(format_db(volume_db, DB_WITH_SIGN)));
800 audio_miniviews[bus]->fader_label->setText(label);
801 audio_expanded_views[bus]->fader_label->setText(label);
803 global_audio_mixer->set_fader_volume(bus, volume_db);
806 void MainWindow::mute_button_toggled(int bus, bool checked)
808 global_audio_mixer->set_mute(bus, checked);
809 midi_mapper.refresh_lights();
812 void MainWindow::reset_meters_button_clicked()
814 global_audio_mixer->reset_meters();
815 ui->peak_display->setText(QString::fromStdString(format_db(-HUGE_VAL, DB_WITH_SIGN | DB_BARE)));
816 ui->peak_display->setStyleSheet("");
819 void MainWindow::audio_level_callback(float level_lufs, float peak_db, vector<AudioMixer::BusLevel> bus_levels,
820 float global_level_lufs,
821 float range_low_lufs, float range_high_lufs,
822 float final_makeup_gain_db,
825 steady_clock::time_point now = steady_clock::now();
827 // The meters are somewhat inefficient to update. Only update them
828 // every 100 ms or so (we get updates every 5–20 ms). Note that this
829 // means that the digital peak meters are ever so slightly too low
830 // (each update won't be a faithful representation of the highest peak
831 // since the previous update, since there are frames we won't draw),
832 // but the _peak_ of the peak meters will be correct (it's tracked in
833 // AudioMixer, not here), and that's much more important.
834 double last_update_age = duration<double>(now - last_audio_level_callback).count();
835 if (last_update_age < 0.100) {
838 last_audio_level_callback = now;
840 post_to_main_thread([=]() {
841 ui->vu_meter->set_level(level_lufs);
842 for (unsigned bus_index = 0; bus_index < bus_levels.size(); ++bus_index) {
843 if (bus_index < audio_miniviews.size()) {
844 const AudioMixer::BusLevel &level = bus_levels[bus_index];
845 Ui::AudioMiniView *miniview = audio_miniviews[bus_index];
846 miniview->peak_meter->set_level(
847 level.current_level_dbfs[0], level.current_level_dbfs[1]);
848 miniview->peak_meter->set_peak(
849 level.peak_level_dbfs[0], level.peak_level_dbfs[1]);
850 set_peak_label(miniview->peak_display_label, level.historic_peak_dbfs);
852 Ui::AudioExpandedView *view = audio_expanded_views[bus_index];
853 view->peak_meter->set_level(
854 level.current_level_dbfs[0], level.current_level_dbfs[1]);
855 view->peak_meter->set_peak(
856 level.peak_level_dbfs[0], level.peak_level_dbfs[1]);
857 view->reduction_meter->set_reduction_db(level.compressor_attenuation_db);
858 view->gainstaging_knob->blockSignals(true);
859 view->gainstaging_knob->setValue(lrintf(level.gain_staging_db * 10.0f));
860 view->gainstaging_knob->blockSignals(false);
861 view->gainstaging_db_display->setText(
863 QString::fromStdString(format_db(level.gain_staging_db, DB_WITH_SIGN)));
864 set_peak_label(view->peak_display_label, level.historic_peak_dbfs);
866 midi_mapper.set_has_peaked(bus_index, level.historic_peak_dbfs >= -0.1f);
869 ui->lra_meter->set_levels(global_level_lufs, range_low_lufs, range_high_lufs);
870 ui->correlation_meter->set_correlation(correlation);
872 ui->peak_display->setText(QString::fromStdString(format_db(peak_db, DB_BARE)));
873 set_peak_label(ui->peak_display, peak_db);
875 // NOTE: Will be invisible when using multitrack audio.
876 ui->gainstaging_knob->blockSignals(true);
877 ui->gainstaging_knob->setValue(lrintf(bus_levels[0].gain_staging_db * 10.0f));
878 ui->gainstaging_knob->blockSignals(false);
879 ui->gainstaging_db_display->setText(
880 QString::fromStdString(format_db(bus_levels[0].gain_staging_db, DB_WITH_SIGN)));
882 ui->makeup_gain_knob->blockSignals(true);
883 ui->makeup_gain_knob->setValue(lrintf(final_makeup_gain_db * 10.0f));
884 ui->makeup_gain_knob->blockSignals(false);
885 ui->makeup_gain_db_display->setText(
886 QString::fromStdString(format_db(final_makeup_gain_db, DB_WITH_SIGN)));
887 ui->makeup_gain_db_display_2->setText(
888 QString::fromStdString(format_db(final_makeup_gain_db, DB_WITH_SIGN)));
890 // Peak labels could have changed.
891 midi_mapper.refresh_lights();
895 void MainWindow::relayout()
897 int height = ui->vertical_layout->geometry().height();
899 double remaining_height = height;
901 // Allocate the height; the most important part is to keep the main displays
902 // at the right aspect if at all possible.
903 double me_width = ui->me_preview->width();
904 double me_height = me_width * double(global_flags.height) / double(global_flags.width) + ui->label_preview->height() + ui->preview_vertical_layout->spacing();
906 // TODO: Scale the widths when we need to do this.
907 if (me_height / double(height) > 0.8) {
908 me_height = height * 0.8;
910 remaining_height -= me_height + ui->vertical_layout->spacing();
912 // Space between the M/E displays and the audio strip.
913 remaining_height -= ui->vertical_layout->spacing();
915 // The label above the audio strip.
916 double compact_label_height = ui->compact_label->minimumHeight() +
917 ui->compact_audio_layout->spacing();
918 remaining_height -= compact_label_height;
920 // The previews will be constrained by the remaining height, and the width.
921 double preview_label_height = previews[0]->title_bar->geometry().height() +
922 previews[0]->main_vertical_layout->spacing();
923 int preview_total_width = ui->preview_displays->geometry().width() - (previews.size() - 1) * ui->preview_displays->spacing();
924 double preview_height = min(remaining_height - preview_label_height, (preview_total_width / double(previews.size())) * double(global_flags.height) / double(global_flags.width));
925 remaining_height -= preview_height + preview_label_height + ui->vertical_layout->spacing();
927 ui->vertical_layout->setStretch(0, lrintf(me_height));
928 ui->vertical_layout->setStretch(1,
929 lrintf(compact_label_height) +
930 lrintf(remaining_height) +
931 lrintf(preview_height + preview_label_height)); // Audio strip and previews together.
933 ui->compact_audio_layout->setStretch(0, lrintf(compact_label_height));
934 ui->compact_audio_layout->setStretch(1, lrintf(remaining_height)); // Audio strip.
935 ui->compact_audio_layout->setStretch(2, lrintf(preview_height + preview_label_height));
937 // Set the widths for the previews.
938 double preview_width = preview_height * double(global_flags.width) / double(global_flags.height);
939 for (unsigned i = 0; i < previews.size(); ++i) {
940 ui->preview_displays->setStretch(i, lrintf(preview_width));
943 // The preview horizontal spacer.
944 double remaining_preview_width = preview_total_width - previews.size() * preview_width;
945 ui->preview_displays->setStretch(previews.size(), lrintf(remaining_preview_width));
948 void MainWindow::set_locut(float value)
950 set_relative_value(ui->locut_cutoff_knob, value);
953 void MainWindow::set_limiter_threshold(float value)
955 set_relative_value(ui->limiter_threshold_knob, value);
958 void MainWindow::set_makeup_gain(float value)
960 set_relative_value(ui->makeup_gain_knob, value);
963 void MainWindow::set_treble(unsigned bus_idx, float value)
965 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::treble_knob, value);
968 void MainWindow::set_mid(unsigned bus_idx, float value)
970 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::mid_knob, value);
973 void MainWindow::set_bass(unsigned bus_idx, float value)
975 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::bass_knob, value);
978 void MainWindow::set_gain(unsigned bus_idx, float value)
980 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_knob, value);
983 void MainWindow::set_compressor_threshold(unsigned bus_idx, float value)
985 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_threshold_knob, value);
988 void MainWindow::set_fader(unsigned bus_idx, float value)
990 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::fader, value);
993 void MainWindow::toggle_mute(unsigned bus_idx)
995 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::mute_button);
998 void MainWindow::toggle_locut(unsigned bus_idx)
1000 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::locut_enabled);
1003 void MainWindow::toggle_auto_gain_staging(unsigned bus_idx)
1005 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_auto_checkbox);
1008 void MainWindow::toggle_compressor(unsigned bus_idx)
1010 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_enabled);
1013 void MainWindow::clear_peak(unsigned bus_idx)
1015 post_to_main_thread([=]{
1016 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
1017 global_audio_mixer->reset_peak(bus_idx);
1018 midi_mapper.set_has_peaked(bus_idx, false);
1019 midi_mapper.refresh_lights();
1024 void MainWindow::clear_all_highlights()
1026 post_to_main_thread([this]{
1027 highlight_locut(false);
1028 highlight_limiter_threshold(false);
1029 highlight_makeup_gain(false);
1030 highlight_toggle_limiter(false);
1031 highlight_toggle_auto_makeup_gain(false);
1032 for (unsigned bus_idx = 0; bus_idx < audio_expanded_views.size(); ++bus_idx) {
1033 highlight_treble(bus_idx, false);
1034 highlight_mid(bus_idx, false);
1035 highlight_bass(bus_idx, false);
1036 highlight_gain(bus_idx, false);
1037 highlight_compressor_threshold(bus_idx, false);
1038 highlight_fader(bus_idx, false);
1039 highlight_mute(bus_idx, false);
1040 highlight_toggle_locut(bus_idx, false);
1041 highlight_toggle_auto_gain_staging(bus_idx, false);
1042 highlight_toggle_compressor(bus_idx, false);
1047 void MainWindow::toggle_limiter()
1049 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
1050 ui->limiter_enabled->click();
1054 void MainWindow::toggle_auto_makeup_gain()
1056 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
1057 ui->makeup_gain_auto_checkbox->click();
1061 void MainWindow::highlight_locut(bool highlight)
1063 post_to_main_thread([this, highlight]{
1064 highlight_control(ui->locut_cutoff_knob, highlight);
1065 highlight_control(ui->locut_cutoff_knob_2, highlight);
1069 void MainWindow::highlight_limiter_threshold(bool highlight)
1071 post_to_main_thread([this, highlight]{
1072 highlight_control(ui->limiter_threshold_knob, highlight);
1073 highlight_control(ui->limiter_threshold_knob_2, highlight);
1077 void MainWindow::highlight_makeup_gain(bool highlight)
1079 post_to_main_thread([this, highlight]{
1080 highlight_control(ui->makeup_gain_knob, highlight);
1081 highlight_control(ui->makeup_gain_knob_2, highlight);
1085 void MainWindow::highlight_treble(unsigned bus_idx, bool highlight)
1087 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::treble_knob, highlight);
1090 void MainWindow::highlight_mid(unsigned bus_idx, bool highlight)
1092 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::mid_knob, highlight);
1095 void MainWindow::highlight_bass(unsigned bus_idx, bool highlight)
1097 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::bass_knob, highlight);
1100 void MainWindow::highlight_gain(unsigned bus_idx, bool highlight)
1102 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_knob, highlight);
1105 void MainWindow::highlight_compressor_threshold(unsigned bus_idx, bool highlight)
1107 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_threshold_knob, highlight);
1110 void MainWindow::highlight_fader(unsigned bus_idx, bool highlight)
1112 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::fader, highlight);
1115 void MainWindow::highlight_mute(unsigned bus_idx, bool highlight)
1117 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::mute_button, highlight, /*is_mute_btton=*/true);
1120 void MainWindow::highlight_toggle_locut(unsigned bus_idx, bool highlight)
1122 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::locut_enabled, highlight);
1125 void MainWindow::highlight_toggle_auto_gain_staging(unsigned bus_idx, bool highlight)
1127 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_auto_checkbox, highlight);
1130 void MainWindow::highlight_toggle_compressor(unsigned bus_idx, bool highlight)
1132 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_enabled, highlight);
1135 void MainWindow::highlight_toggle_limiter(bool highlight)
1137 post_to_main_thread([this, highlight]{
1138 highlight_control(ui->limiter_enabled, highlight);
1139 highlight_control(ui->limiter_enabled_2, highlight);
1143 void MainWindow::highlight_toggle_auto_makeup_gain(bool highlight)
1145 post_to_main_thread([this, highlight]{
1146 highlight_control(ui->makeup_gain_auto_checkbox, highlight);
1147 highlight_control(ui->makeup_gain_auto_checkbox_2, highlight);
1152 void MainWindow::set_relative_value(T *control, float value)
1154 post_to_main_thread([control, value]{
1155 control->setValue(lrintf(control->minimum() + value * (control->maximum() - control->minimum())));
1160 void MainWindow::set_relative_value_if_exists(unsigned bus_idx, T *(Ui_AudioExpandedView::*control), float value)
1162 if (global_audio_mixer != nullptr &&
1163 global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL &&
1164 bus_idx < audio_expanded_views.size()) {
1165 set_relative_value(audio_expanded_views[bus_idx]->*control, value);
1170 void MainWindow::click_button_if_exists(unsigned bus_idx, T *(Ui_AudioExpandedView::*control))
1172 post_to_main_thread([this, bus_idx, control]{
1173 if (global_audio_mixer != nullptr &&
1174 global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL &&
1175 bus_idx < audio_expanded_views.size()) {
1176 (audio_expanded_views[bus_idx]->*control)->click();
1182 void MainWindow::highlight_control(T *control, bool highlight)
1184 if (control == nullptr) {
1187 if (global_audio_mixer == nullptr ||
1188 global_audio_mixer->get_mapping_mode() != AudioMixer::MappingMode::MULTICHANNEL) {
1192 control->setStyleSheet("background: rgb(0,255,0,80)");
1194 control->setStyleSheet("");
1199 void MainWindow::highlight_mute_control(T *control, bool highlight)
1201 if (control == nullptr) {
1204 if (global_audio_mixer == nullptr ||
1205 global_audio_mixer->get_mapping_mode() != AudioMixer::MappingMode::MULTICHANNEL) {
1209 control->setStyleSheet("QPushButton { background: rgb(0,255,0,80); } QPushButton:checked { background: rgba(255,80,0,140); }");
1211 control->setStyleSheet("QPushButton:checked { background: rgba(255,0,0,80); }");
1216 void MainWindow::highlight_control_if_exists(unsigned bus_idx, T *(Ui_AudioExpandedView::*control), bool highlight, bool is_mute_button)
1218 post_to_main_thread([this, bus_idx, control, highlight, is_mute_button]{
1219 if (bus_idx < audio_expanded_views.size()) {
1220 if (is_mute_button) {
1221 highlight_mute_control(audio_expanded_views[bus_idx]->*control, highlight);
1223 highlight_control(audio_expanded_views[bus_idx]->*control, highlight);
1229 void MainWindow::set_transition_names(vector<string> transition_names)
1231 if (transition_names.size() < 1 || transition_names[0].empty()) {
1232 transition_btn1->setText(QString(""));
1234 transition_btn1->setText(QString::fromStdString(transition_names[0] + " (J)"));
1235 ui->transition_btn1->setShortcut(QKeySequence("J"));
1237 if (transition_names.size() < 2 || transition_names[1].empty()) {
1238 transition_btn2->setText(QString(""));
1240 transition_btn2->setText(QString::fromStdString(transition_names[1] + " (K)"));
1241 ui->transition_btn2->setShortcut(QKeySequence("K"));
1243 if (transition_names.size() < 3 || transition_names[2].empty()) {
1244 transition_btn3->setText(QString(""));
1246 transition_btn3->setText(QString::fromStdString(transition_names[2] + " (L)"));
1247 ui->transition_btn3->setShortcut(QKeySequence("L"));
1251 void MainWindow::update_channel_name(Mixer::Output output, const string &name)
1253 if (output >= Mixer::OUTPUT_INPUT0) {
1254 unsigned channel = output - Mixer::OUTPUT_INPUT0;
1255 previews[channel]->label->setText(name.c_str());
1258 analyzer->update_channel_name(output, name);
1261 void MainWindow::update_channel_color(Mixer::Output output, const string &color)
1263 if (output >= Mixer::OUTPUT_INPUT0) {
1264 unsigned channel = output - Mixer::OUTPUT_INPUT0;
1265 previews[channel]->frame->setStyleSheet(QString::fromStdString("background-color:" + color));
1269 void MainWindow::transition_clicked(int transition_number)
1271 global_mixer->transition_clicked(transition_number);
1274 void MainWindow::channel_clicked(int channel_number)
1276 if (current_wb_pick_display == channel_number) {
1277 // The picking was already done from eventFilter(), since we don't get
1278 // the mouse pointer here.
1280 global_mixer->channel_clicked(channel_number);
1284 void MainWindow::wb_button_clicked(int channel_number)
1286 current_wb_pick_display = channel_number;
1287 QApplication::setOverrideCursor(Qt::CrossCursor);
1290 bool MainWindow::eventFilter(QObject *watched, QEvent *event)
1292 if (current_wb_pick_display != -1 &&
1293 event->type() == QEvent::MouseButtonRelease &&
1294 watched->isWidgetType()) {
1295 QApplication::restoreOverrideCursor();
1296 if (watched == previews[current_wb_pick_display]->display) {
1297 const QMouseEvent *mouse_event = (QMouseEvent *)event;
1298 set_white_balance(current_wb_pick_display, mouse_event->x(), mouse_event->y());
1300 // The user clicked on something else, give up.
1301 // (The click goes through, which might not be ideal, but, yes.)
1302 current_wb_pick_display = -1;
1308 void MainWindow::closeEvent(QCloseEvent *event)
1316 double srgb_to_linear(double x)
1321 return pow((x + 0.055) / 1.055, 2.4);
1327 void MainWindow::set_white_balance(int channel_number, int x, int y)
1329 // Set the white balance to neutral for the grab. It's probably going to
1330 // flicker a bit, but hopefully this display is not live anyway.
1331 global_mixer->set_wb(Mixer::OUTPUT_INPUT0 + channel_number, 0.5, 0.5, 0.5);
1332 previews[channel_number]->display->updateGL();
1333 QRgb reference_color = previews[channel_number]->display->grabFrameBuffer().pixel(x, y);
1335 double r = srgb_to_linear(qRed(reference_color) / 255.0);
1336 double g = srgb_to_linear(qGreen(reference_color) / 255.0);
1337 double b = srgb_to_linear(qBlue(reference_color) / 255.0);
1338 global_mixer->set_wb(Mixer::OUTPUT_INPUT0 + channel_number, r, g, b);
1339 previews[channel_number]->display->updateGL();
1342 void MainWindow::audio_state_changed()
1344 post_to_main_thread([this]{
1345 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
1348 InputMapping mapping = global_audio_mixer->get_input_mapping();
1349 for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) {
1350 const InputMapping::Bus &bus = mapping.buses[bus_index];
1352 if (bus.device.type == InputSourceType::ALSA_INPUT) {
1353 ALSAPool::Device::State state = global_audio_mixer->get_alsa_card_state(bus.device.index);
1354 if (state == ALSAPool::Device::State::STARTING) {
1356 } else if (state == ALSAPool::Device::State::DEAD) {
1361 audio_miniviews[bus_index]->bus_desc_label->setFullText(
1362 QString::fromStdString(bus.name + suffix));
1363 audio_expanded_views[bus_index]->bus_desc_label->setFullText(
1364 QString::fromStdString(bus.name + suffix));