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 struct sigaction act;
386 memset(&act, 0, sizeof(act));
387 act.sa_handler = schedule_cut_signal;
388 act.sa_flags = SA_RESTART;
389 sigaction(SIGHUP, &act, nullptr);
391 // Mostly for debugging. Don't override SIGINT, that's so evil if
392 // shutdown isn't instant.
393 memset(&act, 0, sizeof(act));
394 act.sa_handler = quit_signal;
395 act.sa_flags = SA_RESTART;
396 sigaction(SIGUSR1, &act, nullptr);
399 void MainWindow::reset_audio_mapping_ui()
401 bool simple = (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE);
403 ui->simple_audio_mode->setChecked(simple);
404 ui->multichannel_audio_mode->setChecked(!simple);
405 ui->input_mapping_action->setEnabled(!simple);
406 ui->midi_mapping_action->setEnabled(!simple);
408 ui->locut_enabled->setVisible(simple);
409 ui->gainstaging_label->setVisible(simple);
410 ui->gainstaging_knob->setVisible(simple);
411 ui->gainstaging_db_display->setVisible(simple);
412 ui->gainstaging_auto_checkbox->setVisible(simple);
413 ui->compressor_threshold_label->setVisible(simple);
414 ui->compressor_threshold_knob->setVisible(simple);
415 ui->compressor_threshold_db_display->setVisible(simple);
416 ui->compressor_enabled->setVisible(simple);
418 setup_audio_miniview();
419 setup_audio_expanded_view();
422 ui->audio_views->setCurrentIndex(0);
424 ui->compact_header->setVisible(!simple);
426 midi_mapper.refresh_highlights();
427 midi_mapper.refresh_lights();
430 void MainWindow::setup_audio_miniview()
432 // Remove any existing channels.
433 for (QLayoutItem *item; (item = ui->faders->takeAt(0)) != nullptr; ) {
434 delete item->widget();
437 audio_miniviews.clear();
439 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
443 // Set up brand new ones from the input mapping.
444 InputMapping mapping = global_audio_mixer->get_input_mapping();
445 audio_miniviews.resize(mapping.buses.size());
446 for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) {
447 QWidget *channel = new QWidget(this);
448 Ui::AudioMiniView *ui_audio_miniview = new Ui::AudioMiniView;
449 ui_audio_miniview->setupUi(channel);
450 ui_audio_miniview->bus_desc_label->setFullText(
451 QString::fromStdString(mapping.buses[bus_index].name));
452 audio_miniviews[bus_index] = ui_audio_miniview;
454 // Set up the peak meter.
455 VUMeter *peak_meter = ui_audio_miniview->peak_meter;
456 peak_meter->set_min_level(-30.0f);
457 peak_meter->set_max_level(0.0f);
458 peak_meter->set_ref_level(0.0f);
460 ui_audio_miniview->fader->setDbValue(global_audio_mixer->get_fader_volume(bus_index));
462 ui->faders->addWidget(channel);
464 connect(ui_audio_miniview->fader, &NonLinearFader::dbValueChanged,
465 bind(&MainWindow::mini_fader_changed, this, bus_index, _1));
466 connect(ui_audio_miniview->peak_display_label, &ClickableLabel::clicked,
468 global_audio_mixer->reset_peak(bus_index);
473 void MainWindow::setup_audio_expanded_view()
475 // Remove any existing channels.
476 for (QLayoutItem *item; (item = ui->buses->takeAt(0)) != nullptr; ) {
477 delete item->widget();
480 audio_expanded_views.clear();
482 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
486 // Set up brand new ones from the input mapping.
487 InputMapping mapping = global_audio_mixer->get_input_mapping();
488 audio_expanded_views.resize(mapping.buses.size());
489 for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) {
490 QWidget *channel = new QWidget(this);
491 Ui::AudioExpandedView *ui_audio_expanded_view = new Ui::AudioExpandedView;
492 ui_audio_expanded_view->setupUi(channel);
493 ui_audio_expanded_view->bus_desc_label->setFullText(
494 QString::fromStdString(mapping.buses[bus_index].name));
495 audio_expanded_views[bus_index] = ui_audio_expanded_view;
496 update_eq_label(bus_index, EQ_BAND_TREBLE, global_audio_mixer->get_eq(bus_index, EQ_BAND_TREBLE));
497 update_eq_label(bus_index, EQ_BAND_MID, global_audio_mixer->get_eq(bus_index, EQ_BAND_MID));
498 update_eq_label(bus_index, EQ_BAND_BASS, global_audio_mixer->get_eq(bus_index, EQ_BAND_BASS));
499 ui_audio_expanded_view->fader->setDbValue(global_audio_mixer->get_fader_volume(bus_index));
500 ui_audio_expanded_view->mute_button->setChecked(global_audio_mixer->get_mute(bus_index) ? Qt::Checked : Qt::Unchecked);
501 connect(ui_audio_expanded_view->mute_button, &QPushButton::toggled,
502 bind(&MainWindow::mute_button_toggled, this, bus_index, _1));
503 ui->buses->addWidget(channel);
505 ui_audio_expanded_view->locut_enabled->setChecked(global_audio_mixer->get_locut_enabled(bus_index));
506 connect(ui_audio_expanded_view->locut_enabled, &QCheckBox::stateChanged, [this, bus_index](int state){
507 global_audio_mixer->set_locut_enabled(bus_index, state == Qt::Checked);
508 midi_mapper.refresh_lights();
511 connect(ui_audio_expanded_view->treble_knob, &QDial::valueChanged,
512 bind(&MainWindow::eq_knob_changed, this, bus_index, EQ_BAND_TREBLE, _1));
513 connect(ui_audio_expanded_view->mid_knob, &QDial::valueChanged,
514 bind(&MainWindow::eq_knob_changed, this, bus_index, EQ_BAND_MID, _1));
515 connect(ui_audio_expanded_view->bass_knob, &QDial::valueChanged,
516 bind(&MainWindow::eq_knob_changed, this, bus_index, EQ_BAND_BASS, _1));
518 ui_audio_expanded_view->gainstaging_knob->setValue(global_audio_mixer->get_gain_staging_db(bus_index));
519 ui_audio_expanded_view->gainstaging_auto_checkbox->setChecked(global_audio_mixer->get_gain_staging_auto(bus_index));
520 ui_audio_expanded_view->compressor_enabled->setChecked(global_audio_mixer->get_compressor_enabled(bus_index));
522 connect(ui_audio_expanded_view->gainstaging_knob, &QAbstractSlider::valueChanged, bind(&MainWindow::gain_staging_knob_changed, this, bus_index, _1));
523 connect(ui_audio_expanded_view->gainstaging_auto_checkbox, &QCheckBox::stateChanged, [this, bus_index](int state){
524 global_audio_mixer->set_gain_staging_auto(bus_index, state == Qt::Checked);
525 midi_mapper.refresh_lights();
528 connect(ui_audio_expanded_view->compressor_threshold_knob, &QDial::valueChanged, bind(&MainWindow::compressor_threshold_knob_changed, this, bus_index, _1));
529 connect(ui_audio_expanded_view->compressor_enabled, &QCheckBox::stateChanged, [this, bus_index](int state){
530 global_audio_mixer->set_compressor_enabled(bus_index, state == Qt::Checked);
531 midi_mapper.refresh_lights();
534 slave_fader(audio_miniviews[bus_index]->fader, ui_audio_expanded_view->fader);
536 // Set up the peak meter.
537 VUMeter *peak_meter = ui_audio_expanded_view->peak_meter;
538 peak_meter->set_min_level(-30.0f);
539 peak_meter->set_max_level(0.0f);
540 peak_meter->set_ref_level(0.0f);
542 connect(ui_audio_expanded_view->peak_display_label, &ClickableLabel::clicked,
543 [this, bus_index]() {
544 global_audio_mixer->reset_peak(bus_index);
545 midi_mapper.refresh_lights();
549 update_cutoff_labels(global_audio_mixer->get_locut_cutoff());
552 void MainWindow::mixer_shutting_down()
554 ui->me_live->clean_context();
555 ui->me_preview->clean_context();
556 for (Ui::Display *display : previews) {
557 display->display->clean_context();
561 void MainWindow::cut_triggered()
563 global_mixer->schedule_cut();
566 void MainWindow::x264_bitrate_triggered()
569 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);
570 if (ok && new_bitrate >= 100 && new_bitrate <= 100000) {
571 global_flags.x264_bitrate = new_bitrate;
572 global_mixer->change_x264_bitrate(new_bitrate);
576 void MainWindow::exit_triggered()
581 void MainWindow::manual_triggered()
583 if (!QDesktopServices::openUrl(QUrl("https://nageru.sesse.net/doc/"))) {
585 msgbox.setText("Could not launch manual in web browser.\nPlease see https://nageru.sesse.net/doc/ manually.");
590 void MainWindow::about_triggered()
592 AboutDialog().exec();
595 void MainWindow::open_analyzer_triggered()
597 analyzer.reset(new Analyzer);
601 void MainWindow::simple_audio_mode_triggered()
603 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
606 unsigned card_index = global_audio_mixer->get_simple_input();
607 if (card_index == numeric_limits<unsigned>::max()) {
608 QMessageBox::StandardButton reply =
609 QMessageBox::question(this,
610 "Mapping too complex",
611 "The current audio mapping is too complicated to be representable in simple mode, "
612 "and will be discarded if you proceed. Really go to simple audio mode?",
613 QMessageBox::Yes | QMessageBox::No);
614 if (reply == QMessageBox::No) {
615 ui->simple_audio_mode->setChecked(false);
616 ui->multichannel_audio_mode->setChecked(true);
621 global_audio_mixer->set_simple_input(/*card_index=*/card_index);
622 reset_audio_mapping_ui();
625 void MainWindow::multichannel_audio_mode_triggered()
627 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
631 // Take the generated input mapping from the simple input,
632 // and set it as a normal multichannel mapping, which causes
633 // the mode to go to multichannel.
634 global_audio_mixer->set_input_mapping(global_audio_mixer->get_input_mapping());
635 reset_audio_mapping_ui();
638 void MainWindow::input_mapping_triggered()
640 if (InputMappingDialog().exec() == QDialog::Accepted) {
641 setup_audio_miniview();
642 setup_audio_expanded_view();
644 midi_mapper.refresh_highlights();
645 midi_mapper.refresh_lights();
648 void MainWindow::midi_mapping_triggered()
650 MIDIMappingDialog(&midi_mapper).exec();
653 void MainWindow::timecode_stream_triggered()
655 global_mixer->set_display_timecode_in_stream(ui->timecode_stream_action->isChecked());
658 void MainWindow::timecode_stdout_triggered()
660 global_mixer->set_display_timecode_on_stdout(ui->timecode_stdout_action->isChecked());
663 void MainWindow::gain_staging_knob_changed(unsigned bus_index, int value)
665 if (bus_index == 0) {
666 ui->gainstaging_auto_checkbox->setCheckState(Qt::Unchecked);
668 if (bus_index < audio_expanded_views.size()) {
669 audio_expanded_views[bus_index]->gainstaging_auto_checkbox->setCheckState(Qt::Unchecked);
672 float gain_db = value * 0.1f;
673 global_audio_mixer->set_gain_staging_db(bus_index, gain_db);
675 // The label will be updated by the audio level callback.
678 void MainWindow::final_makeup_gain_knob_changed(int value)
680 ui->makeup_gain_auto_checkbox->setCheckState(Qt::Unchecked);
682 float gain_db = value * 0.1f;
683 global_audio_mixer->set_final_makeup_gain_db(gain_db);
685 // The label will be updated by the audio level callback.
688 void MainWindow::cutoff_knob_changed(int value)
690 float octaves = value * 0.1f;
691 float cutoff_hz = 20.0 * pow(2.0, octaves);
692 global_audio_mixer->set_locut_cutoff(cutoff_hz);
693 update_cutoff_labels(cutoff_hz);
696 void MainWindow::update_cutoff_labels(float cutoff_hz)
699 snprintf(buf, sizeof(buf), "%ld Hz", lrintf(cutoff_hz));
700 ui->locut_cutoff_display->setText(buf);
701 ui->locut_cutoff_display_2->setText(buf);
703 for (unsigned bus_index = 0; bus_index < audio_expanded_views.size(); ++bus_index) {
704 audio_expanded_views[bus_index]->locut_enabled->setText(
705 QString("Lo-cut: ") + buf);
709 void MainWindow::report_disk_space(off_t free_bytes, double estimated_seconds_left)
712 if (estimated_seconds_left < 60.0) {
713 strcpy(time_str, "<font color=\"red\">Less than a minute</font>");
714 } else if (estimated_seconds_left < 1800.0) { // Less than half an hour: Xm Ys (red).
715 int s = lrintf(estimated_seconds_left);
718 snprintf(time_str, sizeof(time_str), "<font color=\"red\">%dm %ds</font>", m, s);
719 } else if (estimated_seconds_left < 3600.0) { // Less than an hour: Xm.
720 int m = lrintf(estimated_seconds_left / 60.0);
721 snprintf(time_str, sizeof(time_str), "%dm", m);
722 } else if (estimated_seconds_left < 36000.0) { // Less than ten hours: Xh Ym.
723 int m = lrintf(estimated_seconds_left / 60.0);
726 snprintf(time_str, sizeof(time_str), "%dh %dm", h, m);
727 } else { // More than ten hours: Xh.
728 int h = lrintf(estimated_seconds_left / 3600.0);
729 snprintf(time_str, sizeof(time_str), "%dh", h);
732 snprintf(buf, sizeof(buf), "Disk free: %'.0f MB (approx. %s)", free_bytes / 1048576.0, time_str);
734 std::string label = buf;
736 post_to_main_thread([this, label]{
737 disk_free_label->setText(QString::fromStdString(label));
738 ui->menuBar->setCornerWidget(disk_free_label); // Need to set this again for the sizing to get right.
742 void MainWindow::eq_knob_changed(unsigned bus_index, EQBand band, int value)
744 float gain_db = value * 0.1f;
745 global_audio_mixer->set_eq(bus_index, band, gain_db);
747 update_eq_label(bus_index, band, gain_db);
750 void MainWindow::update_eq_label(unsigned bus_index, EQBand band, float gain_db)
752 Ui::AudioExpandedView *view = audio_expanded_views[bus_index];
753 string db_string = format_db(gain_db, DB_WITH_SIGN);
756 view->treble_label->setText(QString::fromStdString("Treble: " + db_string));
759 view->mid_label->setText(QString::fromStdString("Mid: " + db_string));
762 view->bass_label->setText(QString::fromStdString("Bass: " + db_string));
769 void MainWindow::limiter_threshold_knob_changed(int value)
771 float threshold_dbfs = value * 0.1f;
772 global_audio_mixer->set_limiter_threshold_dbfs(threshold_dbfs);
773 ui->limiter_threshold_db_display->setText(
774 QString::fromStdString(format_db(threshold_dbfs, DB_WITH_SIGN)));
775 ui->limiter_threshold_db_display_2->setText(
776 QString::fromStdString(format_db(threshold_dbfs, DB_WITH_SIGN)));
779 void MainWindow::compressor_threshold_knob_changed(unsigned bus_index, int value)
781 float threshold_dbfs = value * 0.1f;
782 global_audio_mixer->set_compressor_threshold_dbfs(bus_index, threshold_dbfs);
784 QString label(QString::fromStdString(format_db(threshold_dbfs, DB_WITH_SIGN)));
785 if (bus_index == 0) {
786 ui->compressor_threshold_db_display->setText(label);
788 if (bus_index < audio_expanded_views.size()) {
789 audio_expanded_views[bus_index]->compressor_threshold_db_display->setText(label);
793 void MainWindow::mini_fader_changed(int bus, double volume_db)
795 QString label(QString::fromStdString(format_db(volume_db, DB_WITH_SIGN)));
796 audio_miniviews[bus]->fader_label->setText(label);
797 audio_expanded_views[bus]->fader_label->setText(label);
799 global_audio_mixer->set_fader_volume(bus, volume_db);
802 void MainWindow::mute_button_toggled(int bus, bool checked)
804 global_audio_mixer->set_mute(bus, checked);
805 midi_mapper.refresh_lights();
808 void MainWindow::reset_meters_button_clicked()
810 global_audio_mixer->reset_meters();
811 ui->peak_display->setText(QString::fromStdString(format_db(-HUGE_VAL, DB_WITH_SIGN | DB_BARE)));
812 ui->peak_display->setStyleSheet("");
815 void MainWindow::audio_level_callback(float level_lufs, float peak_db, vector<AudioMixer::BusLevel> bus_levels,
816 float global_level_lufs,
817 float range_low_lufs, float range_high_lufs,
818 float final_makeup_gain_db,
821 steady_clock::time_point now = steady_clock::now();
823 // The meters are somewhat inefficient to update. Only update them
824 // every 100 ms or so (we get updates every 5–20 ms). Note that this
825 // means that the digital peak meters are ever so slightly too low
826 // (each update won't be a faithful representation of the highest peak
827 // since the previous update, since there are frames we won't draw),
828 // but the _peak_ of the peak meters will be correct (it's tracked in
829 // AudioMixer, not here), and that's much more important.
830 double last_update_age = duration<double>(now - last_audio_level_callback).count();
831 if (last_update_age < 0.100) {
834 last_audio_level_callback = now;
836 post_to_main_thread([=]() {
837 ui->vu_meter->set_level(level_lufs);
838 for (unsigned bus_index = 0; bus_index < bus_levels.size(); ++bus_index) {
839 if (bus_index < audio_miniviews.size()) {
840 const AudioMixer::BusLevel &level = bus_levels[bus_index];
841 Ui::AudioMiniView *miniview = audio_miniviews[bus_index];
842 miniview->peak_meter->set_level(
843 level.current_level_dbfs[0], level.current_level_dbfs[1]);
844 miniview->peak_meter->set_peak(
845 level.peak_level_dbfs[0], level.peak_level_dbfs[1]);
846 set_peak_label(miniview->peak_display_label, level.historic_peak_dbfs);
848 Ui::AudioExpandedView *view = audio_expanded_views[bus_index];
849 view->peak_meter->set_level(
850 level.current_level_dbfs[0], level.current_level_dbfs[1]);
851 view->peak_meter->set_peak(
852 level.peak_level_dbfs[0], level.peak_level_dbfs[1]);
853 view->reduction_meter->set_reduction_db(level.compressor_attenuation_db);
854 view->gainstaging_knob->blockSignals(true);
855 view->gainstaging_knob->setValue(lrintf(level.gain_staging_db * 10.0f));
856 view->gainstaging_knob->blockSignals(false);
857 view->gainstaging_db_display->setText(
859 QString::fromStdString(format_db(level.gain_staging_db, DB_WITH_SIGN)));
860 set_peak_label(view->peak_display_label, level.historic_peak_dbfs);
862 midi_mapper.set_has_peaked(bus_index, level.historic_peak_dbfs >= -0.1f);
865 ui->lra_meter->set_levels(global_level_lufs, range_low_lufs, range_high_lufs);
866 ui->correlation_meter->set_correlation(correlation);
868 ui->peak_display->setText(QString::fromStdString(format_db(peak_db, DB_BARE)));
869 set_peak_label(ui->peak_display, peak_db);
871 // NOTE: Will be invisible when using multitrack audio.
872 ui->gainstaging_knob->blockSignals(true);
873 ui->gainstaging_knob->setValue(lrintf(bus_levels[0].gain_staging_db * 10.0f));
874 ui->gainstaging_knob->blockSignals(false);
875 ui->gainstaging_db_display->setText(
876 QString::fromStdString(format_db(bus_levels[0].gain_staging_db, DB_WITH_SIGN)));
878 ui->makeup_gain_knob->blockSignals(true);
879 ui->makeup_gain_knob->setValue(lrintf(final_makeup_gain_db * 10.0f));
880 ui->makeup_gain_knob->blockSignals(false);
881 ui->makeup_gain_db_display->setText(
882 QString::fromStdString(format_db(final_makeup_gain_db, DB_WITH_SIGN)));
883 ui->makeup_gain_db_display_2->setText(
884 QString::fromStdString(format_db(final_makeup_gain_db, DB_WITH_SIGN)));
886 // Peak labels could have changed.
887 midi_mapper.refresh_lights();
891 void MainWindow::relayout()
893 int height = ui->vertical_layout->geometry().height();
895 double remaining_height = height;
897 // Allocate the height; the most important part is to keep the main displays
898 // at the right aspect if at all possible.
899 double me_width = ui->me_preview->width();
900 double me_height = me_width * double(global_flags.height) / double(global_flags.width) + ui->label_preview->height() + ui->preview_vertical_layout->spacing();
902 // TODO: Scale the widths when we need to do this.
903 if (me_height / double(height) > 0.8) {
904 me_height = height * 0.8;
906 remaining_height -= me_height + ui->vertical_layout->spacing();
908 // Space between the M/E displays and the audio strip.
909 remaining_height -= ui->vertical_layout->spacing();
911 // The label above the audio strip.
912 double compact_label_height = ui->compact_label->minimumHeight() +
913 ui->compact_audio_layout->spacing();
914 remaining_height -= compact_label_height;
916 // The previews will be constrained by the remaining height, and the width.
917 double preview_label_height = previews[0]->title_bar->geometry().height() +
918 previews[0]->main_vertical_layout->spacing();
919 int preview_total_width = ui->preview_displays->geometry().width() - (previews.size() - 1) * ui->preview_displays->spacing();
920 double preview_height = min(remaining_height - preview_label_height, (preview_total_width / double(previews.size())) * double(global_flags.height) / double(global_flags.width));
921 remaining_height -= preview_height + preview_label_height + ui->vertical_layout->spacing();
923 ui->vertical_layout->setStretch(0, lrintf(me_height));
924 ui->vertical_layout->setStretch(1,
925 lrintf(compact_label_height) +
926 lrintf(remaining_height) +
927 lrintf(preview_height + preview_label_height)); // Audio strip and previews together.
929 ui->compact_audio_layout->setStretch(0, lrintf(compact_label_height));
930 ui->compact_audio_layout->setStretch(1, lrintf(remaining_height)); // Audio strip.
931 ui->compact_audio_layout->setStretch(2, lrintf(preview_height + preview_label_height));
933 // Set the widths for the previews.
934 double preview_width = preview_height * double(global_flags.width) / double(global_flags.height);
935 for (unsigned i = 0; i < previews.size(); ++i) {
936 ui->preview_displays->setStretch(i, lrintf(preview_width));
939 // The preview horizontal spacer.
940 double remaining_preview_width = preview_total_width - previews.size() * preview_width;
941 ui->preview_displays->setStretch(previews.size(), lrintf(remaining_preview_width));
944 void MainWindow::set_locut(float value)
946 set_relative_value(ui->locut_cutoff_knob, value);
949 void MainWindow::set_limiter_threshold(float value)
951 set_relative_value(ui->limiter_threshold_knob, value);
954 void MainWindow::set_makeup_gain(float value)
956 set_relative_value(ui->makeup_gain_knob, value);
959 void MainWindow::set_treble(unsigned bus_idx, float value)
961 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::treble_knob, value);
964 void MainWindow::set_mid(unsigned bus_idx, float value)
966 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::mid_knob, value);
969 void MainWindow::set_bass(unsigned bus_idx, float value)
971 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::bass_knob, value);
974 void MainWindow::set_gain(unsigned bus_idx, float value)
976 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_knob, value);
979 void MainWindow::set_compressor_threshold(unsigned bus_idx, float value)
981 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_threshold_knob, value);
984 void MainWindow::set_fader(unsigned bus_idx, float value)
986 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::fader, value);
989 void MainWindow::toggle_mute(unsigned bus_idx)
991 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::mute_button);
994 void MainWindow::toggle_locut(unsigned bus_idx)
996 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::locut_enabled);
999 void MainWindow::toggle_auto_gain_staging(unsigned bus_idx)
1001 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_auto_checkbox);
1004 void MainWindow::toggle_compressor(unsigned bus_idx)
1006 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_enabled);
1009 void MainWindow::clear_peak(unsigned bus_idx)
1011 post_to_main_thread([=]{
1012 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
1013 global_audio_mixer->reset_peak(bus_idx);
1014 midi_mapper.set_has_peaked(bus_idx, false);
1015 midi_mapper.refresh_lights();
1020 void MainWindow::clear_all_highlights()
1022 post_to_main_thread([this]{
1023 highlight_locut(false);
1024 highlight_limiter_threshold(false);
1025 highlight_makeup_gain(false);
1026 highlight_toggle_limiter(false);
1027 highlight_toggle_auto_makeup_gain(false);
1028 for (unsigned bus_idx = 0; bus_idx < audio_expanded_views.size(); ++bus_idx) {
1029 highlight_treble(bus_idx, false);
1030 highlight_mid(bus_idx, false);
1031 highlight_bass(bus_idx, false);
1032 highlight_gain(bus_idx, false);
1033 highlight_compressor_threshold(bus_idx, false);
1034 highlight_fader(bus_idx, false);
1035 highlight_mute(bus_idx, false);
1036 highlight_toggle_locut(bus_idx, false);
1037 highlight_toggle_auto_gain_staging(bus_idx, false);
1038 highlight_toggle_compressor(bus_idx, false);
1043 void MainWindow::toggle_limiter()
1045 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
1046 ui->limiter_enabled->click();
1050 void MainWindow::toggle_auto_makeup_gain()
1052 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
1053 ui->makeup_gain_auto_checkbox->click();
1057 void MainWindow::highlight_locut(bool highlight)
1059 post_to_main_thread([this, highlight]{
1060 highlight_control(ui->locut_cutoff_knob, highlight);
1061 highlight_control(ui->locut_cutoff_knob_2, highlight);
1065 void MainWindow::highlight_limiter_threshold(bool highlight)
1067 post_to_main_thread([this, highlight]{
1068 highlight_control(ui->limiter_threshold_knob, highlight);
1069 highlight_control(ui->limiter_threshold_knob_2, highlight);
1073 void MainWindow::highlight_makeup_gain(bool highlight)
1075 post_to_main_thread([this, highlight]{
1076 highlight_control(ui->makeup_gain_knob, highlight);
1077 highlight_control(ui->makeup_gain_knob_2, highlight);
1081 void MainWindow::highlight_treble(unsigned bus_idx, bool highlight)
1083 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::treble_knob, highlight);
1086 void MainWindow::highlight_mid(unsigned bus_idx, bool highlight)
1088 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::mid_knob, highlight);
1091 void MainWindow::highlight_bass(unsigned bus_idx, bool highlight)
1093 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::bass_knob, highlight);
1096 void MainWindow::highlight_gain(unsigned bus_idx, bool highlight)
1098 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_knob, highlight);
1101 void MainWindow::highlight_compressor_threshold(unsigned bus_idx, bool highlight)
1103 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_threshold_knob, highlight);
1106 void MainWindow::highlight_fader(unsigned bus_idx, bool highlight)
1108 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::fader, highlight);
1111 void MainWindow::highlight_mute(unsigned bus_idx, bool highlight)
1113 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::mute_button, highlight, /*is_mute_btton=*/true);
1116 void MainWindow::highlight_toggle_locut(unsigned bus_idx, bool highlight)
1118 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::locut_enabled, highlight);
1121 void MainWindow::highlight_toggle_auto_gain_staging(unsigned bus_idx, bool highlight)
1123 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_auto_checkbox, highlight);
1126 void MainWindow::highlight_toggle_compressor(unsigned bus_idx, bool highlight)
1128 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_enabled, highlight);
1131 void MainWindow::highlight_toggle_limiter(bool highlight)
1133 post_to_main_thread([this, highlight]{
1134 highlight_control(ui->limiter_enabled, highlight);
1135 highlight_control(ui->limiter_enabled_2, highlight);
1139 void MainWindow::highlight_toggle_auto_makeup_gain(bool highlight)
1141 post_to_main_thread([this, highlight]{
1142 highlight_control(ui->makeup_gain_auto_checkbox, highlight);
1143 highlight_control(ui->makeup_gain_auto_checkbox_2, highlight);
1148 void MainWindow::set_relative_value(T *control, float value)
1150 post_to_main_thread([control, value]{
1151 control->setValue(lrintf(control->minimum() + value * (control->maximum() - control->minimum())));
1156 void MainWindow::set_relative_value_if_exists(unsigned bus_idx, T *(Ui_AudioExpandedView::*control), float value)
1158 if (global_audio_mixer != nullptr &&
1159 global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL &&
1160 bus_idx < audio_expanded_views.size()) {
1161 set_relative_value(audio_expanded_views[bus_idx]->*control, value);
1166 void MainWindow::click_button_if_exists(unsigned bus_idx, T *(Ui_AudioExpandedView::*control))
1168 post_to_main_thread([this, bus_idx, control]{
1169 if (global_audio_mixer != nullptr &&
1170 global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL &&
1171 bus_idx < audio_expanded_views.size()) {
1172 (audio_expanded_views[bus_idx]->*control)->click();
1178 void MainWindow::highlight_control(T *control, bool highlight)
1180 if (control == nullptr) {
1183 if (global_audio_mixer == nullptr ||
1184 global_audio_mixer->get_mapping_mode() != AudioMixer::MappingMode::MULTICHANNEL) {
1188 control->setStyleSheet("background: rgb(0,255,0,80)");
1190 control->setStyleSheet("");
1195 void MainWindow::highlight_mute_control(T *control, bool highlight)
1197 if (control == nullptr) {
1200 if (global_audio_mixer == nullptr ||
1201 global_audio_mixer->get_mapping_mode() != AudioMixer::MappingMode::MULTICHANNEL) {
1205 control->setStyleSheet("QPushButton { background: rgb(0,255,0,80); } QPushButton:checked { background: rgba(255,80,0,140); }");
1207 control->setStyleSheet("QPushButton:checked { background: rgba(255,0,0,80); }");
1212 void MainWindow::highlight_control_if_exists(unsigned bus_idx, T *(Ui_AudioExpandedView::*control), bool highlight, bool is_mute_button)
1214 post_to_main_thread([this, bus_idx, control, highlight, is_mute_button]{
1215 if (bus_idx < audio_expanded_views.size()) {
1216 if (is_mute_button) {
1217 highlight_mute_control(audio_expanded_views[bus_idx]->*control, highlight);
1219 highlight_control(audio_expanded_views[bus_idx]->*control, highlight);
1225 void MainWindow::set_transition_names(vector<string> transition_names)
1227 if (transition_names.size() < 1 || transition_names[0].empty()) {
1228 transition_btn1->setText(QString(""));
1230 transition_btn1->setText(QString::fromStdString(transition_names[0] + " (J)"));
1231 ui->transition_btn1->setShortcut(QKeySequence("J"));
1233 if (transition_names.size() < 2 || transition_names[1].empty()) {
1234 transition_btn2->setText(QString(""));
1236 transition_btn2->setText(QString::fromStdString(transition_names[1] + " (K)"));
1237 ui->transition_btn2->setShortcut(QKeySequence("K"));
1239 if (transition_names.size() < 3 || transition_names[2].empty()) {
1240 transition_btn3->setText(QString(""));
1242 transition_btn3->setText(QString::fromStdString(transition_names[2] + " (L)"));
1243 ui->transition_btn3->setShortcut(QKeySequence("L"));
1247 void MainWindow::update_channel_name(Mixer::Output output, const string &name)
1249 if (output >= Mixer::OUTPUT_INPUT0) {
1250 unsigned channel = output - Mixer::OUTPUT_INPUT0;
1251 previews[channel]->label->setText(name.c_str());
1255 void MainWindow::update_channel_color(Mixer::Output output, const string &color)
1257 if (output >= Mixer::OUTPUT_INPUT0) {
1258 unsigned channel = output - Mixer::OUTPUT_INPUT0;
1259 previews[channel]->frame->setStyleSheet(QString::fromStdString("background-color:" + color));
1263 void MainWindow::transition_clicked(int transition_number)
1265 global_mixer->transition_clicked(transition_number);
1268 void MainWindow::channel_clicked(int channel_number)
1270 if (current_wb_pick_display == channel_number) {
1271 // The picking was already done from eventFilter(), since we don't get
1272 // the mouse pointer here.
1274 global_mixer->channel_clicked(channel_number);
1278 void MainWindow::wb_button_clicked(int channel_number)
1280 current_wb_pick_display = channel_number;
1281 QApplication::setOverrideCursor(Qt::CrossCursor);
1284 bool MainWindow::eventFilter(QObject *watched, QEvent *event)
1286 if (current_wb_pick_display != -1 &&
1287 event->type() == QEvent::MouseButtonRelease &&
1288 watched->isWidgetType()) {
1289 QApplication::restoreOverrideCursor();
1290 if (watched == previews[current_wb_pick_display]->display) {
1291 const QMouseEvent *mouse_event = (QMouseEvent *)event;
1292 set_white_balance(current_wb_pick_display, mouse_event->x(), mouse_event->y());
1294 // The user clicked on something else, give up.
1295 // (The click goes through, which might not be ideal, but, yes.)
1296 current_wb_pick_display = -1;
1304 double srgb_to_linear(double x)
1309 return pow((x + 0.055) / 1.055, 2.4);
1315 void MainWindow::set_white_balance(int channel_number, int x, int y)
1317 // Set the white balance to neutral for the grab. It's probably going to
1318 // flicker a bit, but hopefully this display is not live anyway.
1319 global_mixer->set_wb(Mixer::OUTPUT_INPUT0 + channel_number, 0.5, 0.5, 0.5);
1320 previews[channel_number]->display->updateGL();
1321 QRgb reference_color = previews[channel_number]->display->grabFrameBuffer().pixel(x, y);
1323 double r = srgb_to_linear(qRed(reference_color) / 255.0);
1324 double g = srgb_to_linear(qGreen(reference_color) / 255.0);
1325 double b = srgb_to_linear(qBlue(reference_color) / 255.0);
1326 global_mixer->set_wb(Mixer::OUTPUT_INPUT0 + channel_number, r, g, b);
1327 previews[channel_number]->display->updateGL();
1330 void MainWindow::audio_state_changed()
1332 post_to_main_thread([this]{
1333 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
1336 InputMapping mapping = global_audio_mixer->get_input_mapping();
1337 for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) {
1338 const InputMapping::Bus &bus = mapping.buses[bus_index];
1340 if (bus.device.type == InputSourceType::ALSA_INPUT) {
1341 ALSAPool::Device::State state = global_audio_mixer->get_alsa_card_state(bus.device.index);
1342 if (state == ALSAPool::Device::State::STARTING) {
1344 } else if (state == ALSAPool::Device::State::DEAD) {
1349 audio_miniviews[bus_index]->bus_desc_label->setFullText(
1350 QString::fromStdString(bus.name + suffix));
1351 audio_expanded_views[bus_index]->bus_desc_label->setFullText(
1352 QString::fromStdString(bus.name + suffix));