1 #include "mainwindow.h"
8 #include <QAbstractButton>
9 #include <QAbstractSlider>
11 #include <QActionGroup>
12 #include <QApplication>
15 #include <QDesktopServices>
22 #include <QInputDialog>
23 #include <QKeySequence>
25 #include <QLayoutItem>
27 #include <QMessageBox>
28 #include <QMouseEvent>
30 #include <QPushButton>
34 #include <QStackedWidget>
35 #include <QToolButton>
47 #include "aboutdialog.h"
48 #include "alsa_pool.h"
50 #include "clickable_label.h"
51 #include "context_menus.h"
52 #include "correlation_meter.h"
53 #include "disk_space_estimator.h"
54 #include "ellipsis_label.h"
57 #include "input_mapping.h"
58 #include "input_mapping_dialog.h"
60 #include "midi_mapping.pb.h"
61 #include "midi_mapping_dialog.h"
63 #include "nonlinear_fader.h"
64 #include "post_to_main_thread.h"
65 #include "ui_audio_expanded_view.h"
66 #include "ui_audio_miniview.h"
67 #include "ui_display.h"
68 #include "ui_mainwindow.h"
72 using namespace std::chrono;
73 using namespace std::placeholders;
75 Q_DECLARE_METATYPE(std::string);
76 Q_DECLARE_METATYPE(std::vector<std::string>);
78 MainWindow *global_mainwindow = nullptr;
80 // -0.1 dBFS is EBU peak limit. We use it consistently, even for the bus meters
81 // (which don't calculate interpolate peak, and in general don't follow EBU recommendations).
82 constexpr float peak_limit_dbfs = -0.1f;
86 void schedule_cut_signal(int ignored)
88 global_mixer->schedule_cut();
91 void quit_signal(int ignored)
93 global_mainwindow->close();
96 void slave_knob(QDial *master, QDial *slave)
98 QWidget::connect(master, &QDial::valueChanged, [slave](int value){
99 slave->blockSignals(true);
100 slave->setValue(value);
101 slave->blockSignals(false);
103 QWidget::connect(slave, &QDial::valueChanged, [master](int value){
104 master->setValue(value);
108 void slave_checkbox(QCheckBox *master, QCheckBox *slave)
110 QWidget::connect(master, &QCheckBox::stateChanged, [slave](int state){
111 slave->blockSignals(true);
112 slave->setCheckState(Qt::CheckState(state));
113 slave->blockSignals(false);
115 QWidget::connect(slave, &QCheckBox::stateChanged, [master](int state){
116 master->setCheckState(Qt::CheckState(state));
120 void slave_fader(NonLinearFader *master, NonLinearFader *slave)
122 QWidget::connect(master, &NonLinearFader::dbValueChanged, [slave](double value) {
123 slave->blockSignals(true);
124 slave->setDbValue(value);
125 slave->blockSignals(false);
127 QWidget::connect(slave, &NonLinearFader::dbValueChanged, [master](double value){
128 master->setDbValue(value);
132 constexpr unsigned DB_WITH_SIGN = 0x1;
133 constexpr unsigned DB_BARE = 0x2;
135 string format_db(double db, unsigned flags)
138 if (flags & DB_WITH_SIGN) {
141 snprintf(buf, sizeof(buf), "%+.1f", db);
143 } else if (db < 0.0) {
146 // Should never happen, really.
152 snprintf(buf, sizeof(buf), "%.1f", db);
154 } else if (db < 0.0) {
157 // Should never happen, really.
161 if (!(flags & DB_BARE)) {
167 void set_peak_label(QLabel *peak_label, float peak_db)
169 peak_label->setText(QString::fromStdString(format_db(peak_db, DB_BARE)));
171 if (peak_db > peak_limit_dbfs) {
172 peak_label->setStyleSheet("QLabel { background-color: red; color: white; }");
174 peak_label->setStyleSheet("");
178 string get_bus_desc_label(const InputMapping::Bus &bus)
181 if (bus.device.type == InputSourceType::ALSA_INPUT) {
182 ALSAPool::Device::State state = global_audio_mixer->get_alsa_card_state(bus.device.index);
183 if (state == ALSAPool::Device::State::STARTING) {
185 } else if (state == ALSAPool::Device::State::DEAD) {
190 return bus.name + suffix;
195 MainWindow::MainWindow()
196 : ui(new Ui::MainWindow), midi_mapper(this)
198 global_mainwindow = this;
201 global_disk_space_estimator = new DiskSpaceEstimator(bind(&MainWindow::report_disk_space, this, _1, _2));
202 disk_free_label = new QLabel(this);
203 disk_free_label->setStyleSheet("QLabel {padding-right: 5px;}");
204 ui->menuBar->setCornerWidget(disk_free_label);
206 QActionGroup *audio_mapping_group = new QActionGroup(this);
207 ui->simple_audio_mode->setActionGroup(audio_mapping_group);
208 ui->multichannel_audio_mode->setActionGroup(audio_mapping_group);
210 ui->me_live->set_output(Mixer::OUTPUT_LIVE);
211 ui->me_preview->set_output(Mixer::OUTPUT_PREVIEW);
214 connect(ui->cut_action, &QAction::triggered, this, &MainWindow::cut_triggered);
215 connect(ui->exit_action, &QAction::triggered, this, &MainWindow::exit_triggered);
216 connect(ui->manual_action, &QAction::triggered, this, &MainWindow::manual_triggered);
217 connect(ui->about_action, &QAction::triggered, this, &MainWindow::about_triggered);
218 connect(ui->open_analyzer_action, &QAction::triggered, this, &MainWindow::open_analyzer_triggered);
219 connect(ui->simple_audio_mode, &QAction::triggered, this, &MainWindow::simple_audio_mode_triggered);
220 connect(ui->multichannel_audio_mode, &QAction::triggered, this, &MainWindow::multichannel_audio_mode_triggered);
221 connect(ui->input_mapping_action, &QAction::triggered, this, &MainWindow::input_mapping_triggered);
222 connect(ui->midi_mapping_action, &QAction::triggered, this, &MainWindow::midi_mapping_triggered);
223 connect(ui->timecode_stream_action, &QAction::triggered, this, &MainWindow::timecode_stream_triggered);
224 connect(ui->timecode_stdout_action, &QAction::triggered, this, &MainWindow::timecode_stdout_triggered);
226 ui->timecode_stream_action->setChecked(global_flags.display_timecode_in_stream);
227 ui->timecode_stdout_action->setChecked(global_flags.display_timecode_on_stdout);
229 if (global_flags.x264_video_to_http && isinf(global_flags.x264_crf)) {
230 connect(ui->x264_bitrate_action, &QAction::triggered, this, &MainWindow::x264_bitrate_triggered);
232 ui->x264_bitrate_action->setEnabled(false);
235 connect(ui->video_menu, &QMenu::aboutToShow, [this]{
236 fill_hdmi_sdi_output_device_menu(ui->hdmi_sdi_output_device_menu);
237 fill_hdmi_sdi_output_resolution_menu(ui->hdmi_sdi_output_resolution_menu);
240 // Hook up the transition buttons. (Keyboard shortcuts are set in set_transition_names().)
241 // TODO: Make them dynamic.
242 connect(ui->transition_btn1, &QPushButton::clicked, bind(&MainWindow::transition_clicked, this, 0));
243 connect(ui->transition_btn2, &QPushButton::clicked, bind(&MainWindow::transition_clicked, this, 1));
244 connect(ui->transition_btn3, &QPushButton::clicked, bind(&MainWindow::transition_clicked, this, 2));
247 transition_btn1 = ui->transition_btn1;
248 transition_btn2 = ui->transition_btn2;
249 transition_btn3 = ui->transition_btn3;
250 qRegisterMetaType<string>("std::string");
251 qRegisterMetaType<vector<string>>("std::vector<std::string>");
252 connect(ui->me_live, &GLWidget::transition_names_updated, this, &MainWindow::set_transition_names);
253 qRegisterMetaType<Mixer::Output>("Mixer::Output");
255 // Hook up the prev/next buttons on the audio views.
256 auto prev_page = [this]{
257 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
258 ui->audio_views->setCurrentIndex((ui->audio_views->currentIndex() + 2) % 3);
260 ui->audio_views->setCurrentIndex(2 - ui->audio_views->currentIndex()); // Switch between 0 and 2.
263 auto next_page = [this]{
264 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
265 ui->audio_views->setCurrentIndex((ui->audio_views->currentIndex() + 1) % 3);
267 ui->audio_views->setCurrentIndex(2 - ui->audio_views->currentIndex()); // Switch between 0 and 2.
270 connect(ui->compact_prev_page, &QAbstractButton::clicked, prev_page);
271 connect(ui->compact_next_page, &QAbstractButton::clicked, next_page);
272 connect(ui->full_prev_page, &QAbstractButton::clicked, prev_page);
273 connect(ui->full_next_page, &QAbstractButton::clicked, next_page);
274 connect(ui->video_grid_prev_page, &QAbstractButton::clicked, prev_page);
275 connect(ui->video_grid_next_page, &QAbstractButton::clicked, next_page);
277 // And bind the same to PgUp/PgDown.
278 connect(new QShortcut(QKeySequence::MoveToNextPage, this), &QShortcut::activated, next_page);
279 connect(new QShortcut(QKeySequence::MoveToPreviousPage, this), &QShortcut::activated, prev_page);
281 // When the audio view changes, move the previews.
282 connect(ui->audio_views, &QStackedWidget::currentChanged, bind(&MainWindow::audio_view_changed, this, _1));
284 if (global_flags.enable_quick_cut_keys) {
285 ui->quick_cut_enable_action->setChecked(true);
287 connect(ui->quick_cut_enable_action, &QAction::changed, [this](){
288 global_flags.enable_quick_cut_keys = ui->quick_cut_enable_action->isChecked();
291 last_audio_level_callback = steady_clock::now() - seconds(1);
293 if (!global_flags.midi_mapping_filename.empty()) {
294 MIDIMappingProto midi_mapping;
295 if (!load_midi_mapping_from_file(global_flags.midi_mapping_filename, &midi_mapping)) {
296 fprintf(stderr, "Couldn't load MIDI mapping '%s'; exiting.\n",
297 global_flags.midi_mapping_filename.c_str());
300 midi_mapper.set_midi_mapping(midi_mapping);
302 midi_mapper.refresh_highlights();
303 midi_mapper.refresh_lights();
306 void MainWindow::resizeEvent(QResizeEvent* event)
308 QMainWindow::resizeEvent(event);
310 // Ask for a relayout, but only after the event loop is done doing relayout
311 // on everything else.
312 QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
315 void MainWindow::mixer_created(Mixer *mixer)
317 // Make the previews.
318 unsigned num_previews = mixer->get_num_channels();
320 const char qwerty[] = "QWERTYUIOP";
321 for (unsigned i = 0; i < num_previews; ++i) {
322 Mixer::Output output = Mixer::Output(Mixer::OUTPUT_INPUT0 + i);
324 QWidget *preview = new QWidget(this); // Will be connected to a layout immediately after the loop.
325 Ui::Display *ui_display = new Ui::Display;
326 ui_display->setupUi(preview);
327 ui_display->label->setText(mixer->get_channel_name(output).c_str());
328 ui_display->display->set_output(output);
329 previews.push_back(ui_display);
331 // Hook up the click.
332 connect(ui_display->display, &GLWidget::clicked, bind(&MainWindow::channel_clicked, this, i));
334 // Let the theme update the text whenever the resolution or color changed.
335 connect(ui_display->display, &GLWidget::name_updated, this, &MainWindow::update_channel_name);
336 connect(ui_display->display, &GLWidget::color_updated, this, &MainWindow::update_channel_color);
338 // Hook up the keyboard key.
339 QShortcut *shortcut = nullptr;
341 shortcut = new QShortcut(QKeySequence(Qt::Key_1 + i), this);
343 shortcut = new QShortcut(QKeySequence(Qt::Key_0), this);
345 if (shortcut != nullptr) {
346 connect(shortcut, &QShortcut::activated, bind(&MainWindow::channel_clicked, this, i));
349 // Hook up the quick-cut key.
350 if (i < strlen(qwerty)) {
351 QShortcut *shortcut = new QShortcut(QKeySequence(qwerty[i]), this);
352 connect(shortcut, &QShortcut::activated, bind(&MainWindow::quick_cut_activated, this, i));
355 // Hook up the white balance button (irrelevant if invisible).
356 ui_display->wb_button->setVisible(mixer->get_supports_set_wb(output));
357 connect(ui_display->wb_button, &QPushButton::clicked, bind(&MainWindow::wb_button_clicked, this, i));
360 // Connect the previews to the correct layout.
361 audio_view_changed(ui->audio_views->currentIndex());
363 global_audio_mixer->set_state_changed_callback(bind(&MainWindow::audio_state_changed, this));
365 slave_knob(ui->locut_cutoff_knob, ui->locut_cutoff_knob_2);
366 slave_knob(ui->limiter_threshold_knob, ui->limiter_threshold_knob_2);
367 slave_knob(ui->makeup_gain_knob, ui->makeup_gain_knob_2);
368 slave_checkbox(ui->makeup_gain_auto_checkbox, ui->makeup_gain_auto_checkbox_2);
369 slave_checkbox(ui->limiter_enabled, ui->limiter_enabled_2);
371 reset_audio_mapping_ui();
373 // TODO: Fetch all of the values these for completeness,
374 // not just the enable knobs implied by flags.
375 ui->limiter_enabled->setChecked(global_audio_mixer->get_limiter_enabled());
376 ui->makeup_gain_auto_checkbox->setChecked(global_audio_mixer->get_final_makeup_gain_auto());
378 // Controls used only for simple audio fetch their state from the first bus.
379 constexpr unsigned simple_bus_index = 0;
380 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
381 ui->locut_enabled->setChecked(global_audio_mixer->get_locut_enabled(simple_bus_index));
382 ui->gainstaging_knob->setValue(global_audio_mixer->get_gain_staging_db(simple_bus_index));
383 ui->gainstaging_auto_checkbox->setChecked(global_audio_mixer->get_gain_staging_auto(simple_bus_index));
384 ui->compressor_enabled->setChecked(global_audio_mixer->get_compressor_enabled(simple_bus_index));
385 ui->compressor_threshold_db_display->setText(
386 QString::fromStdString(format_db(mixer->get_audio_mixer()->get_compressor_threshold_dbfs(simple_bus_index), DB_WITH_SIGN)));
388 connect(ui->locut_enabled, &QCheckBox::stateChanged, [this](int state){
389 global_audio_mixer->set_locut_enabled(simple_bus_index, state == Qt::Checked);
390 midi_mapper.refresh_lights();
392 connect(ui->gainstaging_knob, &QAbstractSlider::valueChanged,
393 bind(&MainWindow::gain_staging_knob_changed, this, simple_bus_index, _1));
394 connect(ui->gainstaging_auto_checkbox, &QCheckBox::stateChanged, [this](int state){
395 global_audio_mixer->set_gain_staging_auto(simple_bus_index, state == Qt::Checked);
396 midi_mapper.refresh_lights();
398 connect(ui->compressor_threshold_knob, &QDial::valueChanged,
399 bind(&MainWindow::compressor_threshold_knob_changed, this, simple_bus_index, _1));
400 connect(ui->compressor_enabled, &QCheckBox::stateChanged, [this](int state){
401 global_audio_mixer->set_compressor_enabled(simple_bus_index, state == Qt::Checked);
402 midi_mapper.refresh_lights();
405 // Global mastering controls.
406 QString limiter_threshold_label(
407 QString::fromStdString(format_db(mixer->get_audio_mixer()->get_limiter_threshold_dbfs(), DB_WITH_SIGN)));
408 ui->limiter_threshold_db_display->setText(limiter_threshold_label);
409 ui->limiter_threshold_db_display_2->setText(limiter_threshold_label);
411 connect(ui->locut_cutoff_knob, &QDial::valueChanged, this, &MainWindow::cutoff_knob_changed);
412 cutoff_knob_changed(ui->locut_cutoff_knob->value());
414 connect(ui->makeup_gain_knob, &QAbstractSlider::valueChanged, this, &MainWindow::final_makeup_gain_knob_changed);
415 connect(ui->makeup_gain_auto_checkbox, &QCheckBox::stateChanged, [this](int state){
416 global_audio_mixer->set_final_makeup_gain_auto(state == Qt::Checked);
417 midi_mapper.refresh_lights();
420 connect(ui->limiter_threshold_knob, &QDial::valueChanged, this, &MainWindow::limiter_threshold_knob_changed);
421 connect(ui->limiter_enabled, &QCheckBox::stateChanged, [this](int state){
422 global_audio_mixer->set_limiter_enabled(state == Qt::Checked);
423 midi_mapper.refresh_lights();
425 connect(ui->reset_meters_button, &QPushButton::clicked, this, &MainWindow::reset_meters_button_clicked);
426 // Even though we have a reset button right next to it, the fact that
427 // the expanded audio view labels are clickable makes it natural to
428 // click this one as well.
429 connect(ui->peak_display, &ClickableLabel::clicked, this, &MainWindow::reset_meters_button_clicked);
430 mixer->get_audio_mixer()->set_audio_level_callback(bind(&MainWindow::audio_level_callback, this, _1, _2, _3, _4, _5, _6, _7, _8));
432 midi_mapper.refresh_highlights();
433 midi_mapper.refresh_lights();
434 midi_mapper.start_thread();
436 analyzer.reset(new Analyzer);
438 global_mixer->set_theme_menu_callback(bind(&MainWindow::setup_theme_menu, this));
441 struct sigaction act;
442 memset(&act, 0, sizeof(act));
443 act.sa_handler = schedule_cut_signal;
444 act.sa_flags = SA_RESTART;
445 sigaction(SIGHUP, &act, nullptr);
447 // Mostly for debugging. Don't override SIGINT, that's so evil if
448 // shutdown isn't instant.
449 memset(&act, 0, sizeof(act));
450 act.sa_handler = quit_signal;
451 act.sa_flags = SA_RESTART;
452 sigaction(SIGUSR1, &act, nullptr);
455 void MainWindow::reset_audio_mapping_ui()
457 bool simple = (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE);
459 ui->simple_audio_mode->setChecked(simple);
460 ui->multichannel_audio_mode->setChecked(!simple);
461 ui->input_mapping_action->setEnabled(!simple);
462 ui->midi_mapping_action->setEnabled(!simple);
464 ui->locut_enabled->setVisible(simple);
465 ui->gainstaging_label->setVisible(simple);
466 ui->gainstaging_knob->setVisible(simple);
467 ui->gainstaging_db_display->setVisible(simple);
468 ui->gainstaging_auto_checkbox->setVisible(simple);
469 ui->compressor_threshold_label->setVisible(simple);
470 ui->compressor_threshold_knob->setVisible(simple);
471 ui->compressor_threshold_db_display->setVisible(simple);
472 ui->compressor_enabled->setVisible(simple);
474 setup_audio_miniview();
475 setup_audio_expanded_view();
478 ui->compact_label->setText("Compact audio view (1/2) ");
479 ui->video_grid_label->setText("Video grid display (2/2) ");
480 if (ui->audio_views->currentIndex() == 1) {
481 // Full audio view is not available in simple mode.
482 ui->audio_views->setCurrentIndex(0);
485 ui->compact_label->setText("Compact audio view (1/3) ");
486 ui->full_label->setText("Full audio view (2/3) ");
487 ui->video_grid_label->setText("Video grid display (3/3) ");
490 midi_mapper.refresh_highlights();
491 midi_mapper.refresh_lights();
494 void MainWindow::setup_audio_miniview()
496 // Remove any existing channels.
497 for (QLayoutItem *item; (item = ui->faders->takeAt(0)) != nullptr; ) {
498 delete item->widget();
501 audio_miniviews.clear();
503 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
507 // Set up brand new ones from the input mapping.
508 InputMapping mapping = global_audio_mixer->get_input_mapping();
509 audio_miniviews.resize(mapping.buses.size());
510 for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) {
511 QWidget *channel = new QWidget(this);
512 Ui::AudioMiniView *ui_audio_miniview = new Ui::AudioMiniView;
513 ui_audio_miniview->setupUi(channel);
514 ui_audio_miniview->bus_desc_label->setFullText(
515 QString::fromStdString(get_bus_desc_label(mapping.buses[bus_index])));
516 audio_miniviews[bus_index] = ui_audio_miniview;
518 // Set up the peak meter.
519 VUMeter *peak_meter = ui_audio_miniview->peak_meter;
520 peak_meter->set_min_level(-30.0f);
521 peak_meter->set_max_level(0.0f);
522 peak_meter->set_ref_level(0.0f);
524 ui_audio_miniview->fader->setDbValue(global_audio_mixer->get_fader_volume(bus_index));
526 ui->faders->addWidget(channel);
528 connect(ui_audio_miniview->fader, &NonLinearFader::dbValueChanged,
529 bind(&MainWindow::mini_fader_changed, this, bus_index, _1));
530 connect(ui_audio_miniview->peak_display_label, &ClickableLabel::clicked,
532 global_audio_mixer->reset_peak(bus_index);
537 void MainWindow::setup_audio_expanded_view()
539 // Remove any existing channels.
540 for (QLayoutItem *item; (item = ui->buses->takeAt(0)) != nullptr; ) {
541 delete item->widget();
544 audio_expanded_views.clear();
546 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
550 // Set up brand new ones from the input mapping.
551 InputMapping mapping = global_audio_mixer->get_input_mapping();
552 audio_expanded_views.resize(mapping.buses.size());
553 for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) {
554 QWidget *channel = new QWidget(this);
555 Ui::AudioExpandedView *ui_audio_expanded_view = new Ui::AudioExpandedView;
556 ui_audio_expanded_view->setupUi(channel);
557 ui_audio_expanded_view->bus_desc_label->setFullText(
558 QString::fromStdString(get_bus_desc_label(mapping.buses[bus_index])));
559 audio_expanded_views[bus_index] = ui_audio_expanded_view;
560 update_eq_label(bus_index, EQ_BAND_TREBLE, global_audio_mixer->get_eq(bus_index, EQ_BAND_TREBLE));
561 update_eq_label(bus_index, EQ_BAND_MID, global_audio_mixer->get_eq(bus_index, EQ_BAND_MID));
562 update_eq_label(bus_index, EQ_BAND_BASS, global_audio_mixer->get_eq(bus_index, EQ_BAND_BASS));
563 ui_audio_expanded_view->fader->setDbValue(global_audio_mixer->get_fader_volume(bus_index));
564 ui_audio_expanded_view->mute_button->setChecked(global_audio_mixer->get_mute(bus_index));
565 connect(ui_audio_expanded_view->mute_button, &QPushButton::toggled,
566 bind(&MainWindow::mute_button_toggled, this, bus_index, _1));
567 ui->buses->addWidget(channel);
569 ui_audio_expanded_view->locut_enabled->setChecked(global_audio_mixer->get_locut_enabled(bus_index));
570 connect(ui_audio_expanded_view->locut_enabled, &QCheckBox::stateChanged, [this, bus_index](int state){
571 global_audio_mixer->set_locut_enabled(bus_index, state == Qt::Checked);
572 midi_mapper.refresh_lights();
575 connect(ui_audio_expanded_view->treble_knob, &QDial::valueChanged,
576 bind(&MainWindow::eq_knob_changed, this, bus_index, EQ_BAND_TREBLE, _1));
577 connect(ui_audio_expanded_view->mid_knob, &QDial::valueChanged,
578 bind(&MainWindow::eq_knob_changed, this, bus_index, EQ_BAND_MID, _1));
579 connect(ui_audio_expanded_view->bass_knob, &QDial::valueChanged,
580 bind(&MainWindow::eq_knob_changed, this, bus_index, EQ_BAND_BASS, _1));
582 ui_audio_expanded_view->gainstaging_knob->setValue(global_audio_mixer->get_gain_staging_db(bus_index));
583 ui_audio_expanded_view->gainstaging_auto_checkbox->setChecked(global_audio_mixer->get_gain_staging_auto(bus_index));
584 ui_audio_expanded_view->compressor_enabled->setChecked(global_audio_mixer->get_compressor_enabled(bus_index));
586 connect(ui_audio_expanded_view->gainstaging_knob, &QAbstractSlider::valueChanged, bind(&MainWindow::gain_staging_knob_changed, this, bus_index, _1));
587 connect(ui_audio_expanded_view->gainstaging_auto_checkbox, &QCheckBox::stateChanged, [this, bus_index](int state){
588 global_audio_mixer->set_gain_staging_auto(bus_index, state == Qt::Checked);
589 midi_mapper.refresh_lights();
592 connect(ui_audio_expanded_view->compressor_threshold_knob, &QDial::valueChanged, bind(&MainWindow::compressor_threshold_knob_changed, this, bus_index, _1));
593 connect(ui_audio_expanded_view->compressor_enabled, &QCheckBox::stateChanged, [this, bus_index](int state){
594 global_audio_mixer->set_compressor_enabled(bus_index, state == Qt::Checked);
595 midi_mapper.refresh_lights();
598 slave_fader(audio_miniviews[bus_index]->fader, ui_audio_expanded_view->fader);
600 // Set up the peak meter.
601 VUMeter *peak_meter = ui_audio_expanded_view->peak_meter;
602 peak_meter->set_min_level(-30.0f);
603 peak_meter->set_max_level(0.0f);
604 peak_meter->set_ref_level(0.0f);
606 connect(ui_audio_expanded_view->peak_display_label, &ClickableLabel::clicked,
607 [this, bus_index]() {
608 global_audio_mixer->reset_peak(bus_index);
609 midi_mapper.refresh_lights();
613 update_cutoff_labels(global_audio_mixer->get_locut_cutoff());
616 void MainWindow::mixer_shutting_down()
618 ui->me_live->shutdown();
619 ui->me_preview->shutdown();
621 for (Ui::Display *display : previews) {
622 display->display->shutdown();
625 analyzer->mixer_shutting_down();
628 void MainWindow::cut_triggered()
630 global_mixer->schedule_cut();
633 void MainWindow::x264_bitrate_triggered()
636 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);
637 if (ok && new_bitrate >= 100 && new_bitrate <= 100000) {
638 global_flags.x264_bitrate = new_bitrate;
639 global_mixer->change_x264_bitrate(new_bitrate);
643 void MainWindow::exit_triggered()
648 void MainWindow::manual_triggered()
650 if (!QDesktopServices::openUrl(QUrl("https://nageru.sesse.net/doc/"))) {
652 msgbox.setText("Could not launch manual in web browser.\nPlease see https://nageru.sesse.net/doc/ manually.");
657 void MainWindow::about_triggered()
659 AboutDialog().exec();
662 void MainWindow::open_analyzer_triggered()
667 void MainWindow::simple_audio_mode_triggered()
669 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
672 unsigned card_index = global_audio_mixer->get_simple_input();
673 if (card_index == numeric_limits<unsigned>::max()) {
674 QMessageBox::StandardButton reply =
675 QMessageBox::question(this,
676 "Mapping too complex",
677 "The current audio mapping is too complicated to be representable in simple mode, "
678 "and will be discarded if you proceed. Really go to simple audio mode?",
679 QMessageBox::Yes | QMessageBox::No);
680 if (reply == QMessageBox::No) {
681 ui->simple_audio_mode->setChecked(false);
682 ui->multichannel_audio_mode->setChecked(true);
687 global_audio_mixer->set_simple_input(/*card_index=*/card_index);
688 reset_audio_mapping_ui();
691 void MainWindow::multichannel_audio_mode_triggered()
693 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
697 // Take the generated input mapping from the simple input,
698 // and set it as a normal multichannel mapping, which causes
699 // the mode to go to multichannel.
700 global_audio_mixer->set_input_mapping(global_audio_mixer->get_input_mapping());
701 reset_audio_mapping_ui();
704 void MainWindow::input_mapping_triggered()
706 if (InputMappingDialog().exec() == QDialog::Accepted) {
707 setup_audio_miniview();
708 setup_audio_expanded_view();
710 midi_mapper.refresh_highlights();
711 midi_mapper.refresh_lights();
714 void MainWindow::midi_mapping_triggered()
716 MIDIMappingDialog(&midi_mapper).exec();
719 void MainWindow::timecode_stream_triggered()
721 global_mixer->set_display_timecode_in_stream(ui->timecode_stream_action->isChecked());
724 void MainWindow::timecode_stdout_triggered()
726 global_mixer->set_display_timecode_on_stdout(ui->timecode_stdout_action->isChecked());
729 void MainWindow::gain_staging_knob_changed(unsigned bus_index, int value)
731 if (bus_index == 0) {
732 ui->gainstaging_auto_checkbox->setCheckState(Qt::Unchecked);
734 if (bus_index < audio_expanded_views.size()) {
735 audio_expanded_views[bus_index]->gainstaging_auto_checkbox->setCheckState(Qt::Unchecked);
738 float gain_db = value * 0.1f;
739 global_audio_mixer->set_gain_staging_db(bus_index, gain_db);
741 // The label will be updated by the audio level callback.
744 void MainWindow::final_makeup_gain_knob_changed(int value)
746 ui->makeup_gain_auto_checkbox->setCheckState(Qt::Unchecked);
748 float gain_db = value * 0.1f;
749 global_audio_mixer->set_final_makeup_gain_db(gain_db);
751 // The label will be updated by the audio level callback.
754 void MainWindow::cutoff_knob_changed(int value)
756 float octaves = value * 0.1f;
757 float cutoff_hz = 20.0 * pow(2.0, octaves);
758 global_audio_mixer->set_locut_cutoff(cutoff_hz);
759 update_cutoff_labels(cutoff_hz);
762 void MainWindow::update_cutoff_labels(float cutoff_hz)
765 snprintf(buf, sizeof(buf), "%ld Hz", lrintf(cutoff_hz));
766 ui->locut_cutoff_display->setText(buf);
767 ui->locut_cutoff_display_2->setText(buf);
769 for (unsigned bus_index = 0; bus_index < audio_expanded_views.size(); ++bus_index) {
770 audio_expanded_views[bus_index]->locut_enabled->setText(
771 QString("Lo-cut: ") + buf);
775 void MainWindow::report_disk_space(off_t free_bytes, double estimated_seconds_left)
778 if (estimated_seconds_left < 60.0) {
779 strcpy(time_str, "<font color=\"red\">Less than a minute</font>");
780 } else if (estimated_seconds_left < 1800.0) { // Less than half an hour: Xm Ys (red).
781 int s = lrintf(estimated_seconds_left);
784 snprintf(time_str, sizeof(time_str), "<font color=\"red\">%dm %ds</font>", m, s);
785 } else if (estimated_seconds_left < 3600.0) { // Less than an hour: Xm.
786 int m = lrintf(estimated_seconds_left / 60.0);
787 snprintf(time_str, sizeof(time_str), "%dm", m);
788 } else if (estimated_seconds_left < 36000.0) { // Less than ten hours: Xh Ym.
789 int m = lrintf(estimated_seconds_left / 60.0);
792 snprintf(time_str, sizeof(time_str), "%dh %dm", h, m);
793 } else { // More than ten hours: Xh.
794 int h = lrintf(estimated_seconds_left / 3600.0);
795 snprintf(time_str, sizeof(time_str), "%dh", h);
798 snprintf(buf, sizeof(buf), "Disk free: %'.0f MB (approx. %s)", free_bytes / 1048576.0, time_str);
800 std::string label = buf;
802 post_to_main_thread([this, label]{
803 disk_free_label->setText(QString::fromStdString(label));
804 ui->menuBar->setCornerWidget(disk_free_label); // Need to set this again for the sizing to get right.
808 void MainWindow::eq_knob_changed(unsigned bus_index, EQBand band, int value)
810 float gain_db = value * 0.1f;
811 global_audio_mixer->set_eq(bus_index, band, gain_db);
813 update_eq_label(bus_index, band, gain_db);
816 void MainWindow::update_eq_label(unsigned bus_index, EQBand band, float gain_db)
818 Ui::AudioExpandedView *view = audio_expanded_views[bus_index];
819 string db_string = format_db(gain_db, DB_WITH_SIGN);
822 view->treble_label->setText(QString::fromStdString("Treble: " + db_string));
825 view->mid_label->setText(QString::fromStdString("Mid: " + db_string));
828 view->bass_label->setText(QString::fromStdString("Bass: " + db_string));
835 void MainWindow::setup_theme_menu()
837 std::vector<Theme::MenuEntry> theme_menu_entries = global_mixer->get_theme_menu();
839 if (theme_menu != nullptr) {
840 ui->menuBar->removeAction(theme_menu->menuAction());
841 theme_menu = nullptr;
844 if (!theme_menu_entries.empty()) {
845 theme_menu = new QMenu("&Theme");
846 for (const Theme::MenuEntry &entry : theme_menu_entries) {
847 QAction *action = theme_menu->addAction(QString::fromStdString(entry.text));
848 connect(action, &QAction::triggered, [entry] {
849 global_mixer->theme_menu_entry_clicked(entry.lua_ref);
852 ui->menuBar->insertMenu(ui->menu_Help->menuAction(), theme_menu);
856 void MainWindow::limiter_threshold_knob_changed(int value)
858 float threshold_dbfs = value * 0.1f;
859 global_audio_mixer->set_limiter_threshold_dbfs(threshold_dbfs);
860 ui->limiter_threshold_db_display->setText(
861 QString::fromStdString(format_db(threshold_dbfs, DB_WITH_SIGN)));
862 ui->limiter_threshold_db_display_2->setText(
863 QString::fromStdString(format_db(threshold_dbfs, DB_WITH_SIGN)));
866 void MainWindow::compressor_threshold_knob_changed(unsigned bus_index, int value)
868 float threshold_dbfs = value * 0.1f;
869 global_audio_mixer->set_compressor_threshold_dbfs(bus_index, threshold_dbfs);
871 QString label(QString::fromStdString(format_db(threshold_dbfs, DB_WITH_SIGN)));
872 if (bus_index == 0) {
873 ui->compressor_threshold_db_display->setText(label);
875 if (bus_index < audio_expanded_views.size()) {
876 audio_expanded_views[bus_index]->compressor_threshold_db_display->setText(label);
880 void MainWindow::mini_fader_changed(int bus, double volume_db)
882 QString label(QString::fromStdString(format_db(volume_db, DB_WITH_SIGN)));
883 audio_miniviews[bus]->fader_label->setText(label);
884 audio_expanded_views[bus]->fader_label->setText(label);
886 global_audio_mixer->set_fader_volume(bus, volume_db);
889 void MainWindow::mute_button_toggled(int bus, bool checked)
891 global_audio_mixer->set_mute(bus, checked);
892 midi_mapper.refresh_lights();
895 void MainWindow::reset_meters_button_clicked()
897 global_audio_mixer->reset_meters();
898 ui->peak_display->setText(QString::fromStdString(format_db(-HUGE_VAL, DB_WITH_SIGN | DB_BARE)));
899 ui->peak_display->setStyleSheet("");
902 void MainWindow::audio_level_callback(float level_lufs, float peak_db, vector<AudioMixer::BusLevel> bus_levels,
903 float global_level_lufs,
904 float range_low_lufs, float range_high_lufs,
905 float final_makeup_gain_db,
908 steady_clock::time_point now = steady_clock::now();
910 // The meters are somewhat inefficient to update. Only update them
911 // every 100 ms or so (we get updates every 5–20 ms). Note that this
912 // means that the digital peak meters are ever so slightly too low
913 // (each update won't be a faithful representation of the highest peak
914 // since the previous update, since there are frames we won't draw),
915 // but the _peak_ of the peak meters will be correct (it's tracked in
916 // AudioMixer, not here), and that's much more important.
917 double last_update_age = duration<double>(now - last_audio_level_callback).count();
918 if (last_update_age < 0.100) {
921 last_audio_level_callback = now;
923 post_to_main_thread([=]() {
924 ui->vu_meter->set_level(level_lufs);
925 for (unsigned bus_index = 0; bus_index < bus_levels.size(); ++bus_index) {
926 if (bus_index < audio_miniviews.size()) {
927 const AudioMixer::BusLevel &level = bus_levels[bus_index];
928 Ui::AudioMiniView *miniview = audio_miniviews[bus_index];
929 miniview->peak_meter->set_level(
930 level.current_level_dbfs[0], level.current_level_dbfs[1]);
931 miniview->peak_meter->set_peak(
932 level.peak_level_dbfs[0], level.peak_level_dbfs[1]);
933 set_peak_label(miniview->peak_display_label, level.historic_peak_dbfs);
935 Ui::AudioExpandedView *view = audio_expanded_views[bus_index];
936 view->peak_meter->set_level(
937 level.current_level_dbfs[0], level.current_level_dbfs[1]);
938 view->peak_meter->set_peak(
939 level.peak_level_dbfs[0], level.peak_level_dbfs[1]);
940 view->reduction_meter->set_reduction_db(level.compressor_attenuation_db);
941 view->gainstaging_knob->blockSignals(true);
942 view->gainstaging_knob->setValue(lrintf(level.gain_staging_db * 10.0f));
943 view->gainstaging_knob->blockSignals(false);
944 view->gainstaging_db_display->setText(
946 QString::fromStdString(format_db(level.gain_staging_db, DB_WITH_SIGN)));
947 set_peak_label(view->peak_display_label, level.historic_peak_dbfs);
949 midi_mapper.set_has_peaked(bus_index, level.historic_peak_dbfs >= -0.1f);
952 ui->lra_meter->set_levels(global_level_lufs, range_low_lufs, range_high_lufs);
953 ui->correlation_meter->set_correlation(correlation);
955 ui->peak_display->setText(QString::fromStdString(format_db(peak_db, DB_BARE)));
956 set_peak_label(ui->peak_display, peak_db);
958 // NOTE: Will be invisible when using multitrack audio.
959 ui->gainstaging_knob->blockSignals(true);
960 ui->gainstaging_knob->setValue(lrintf(bus_levels[0].gain_staging_db * 10.0f));
961 ui->gainstaging_knob->blockSignals(false);
962 ui->gainstaging_db_display->setText(
963 QString::fromStdString(format_db(bus_levels[0].gain_staging_db, DB_WITH_SIGN)));
965 ui->makeup_gain_knob->blockSignals(true);
966 ui->makeup_gain_knob->setValue(lrintf(final_makeup_gain_db * 10.0f));
967 ui->makeup_gain_knob->blockSignals(false);
968 ui->makeup_gain_db_display->setText(
969 QString::fromStdString(format_db(final_makeup_gain_db, DB_WITH_SIGN)));
970 ui->makeup_gain_db_display_2->setText(
971 QString::fromStdString(format_db(final_makeup_gain_db, DB_WITH_SIGN)));
973 // Peak labels could have changed.
974 midi_mapper.refresh_lights();
978 void MainWindow::relayout()
980 int height = ui->vertical_layout->geometry().height();
982 // Seemingly this can happen and must be ignored.
986 double remaining_height = height;
988 // Allocate the height; the most important part is to keep the main displays
989 // at the right aspect if at all possible.
990 double me_width = ui->me_preview->width();
991 double me_height = me_width * double(global_flags.height) / double(global_flags.width) + ui->label_preview->height() + ui->preview_vertical_layout->spacing();
993 // TODO: Scale the widths when we need to do this.
994 if (me_height / double(height) > 0.8) {
995 me_height = height * 0.8;
997 remaining_height -= me_height + ui->vertical_layout->spacing();
999 // Space between the M/E displays and the audio strip.
1000 remaining_height -= ui->vertical_layout->spacing();
1002 // The label above the audio strip.
1003 double compact_label_height = ui->compact_label->minimumHeight() +
1004 ui->compact_audio_layout->spacing();
1005 remaining_height -= compact_label_height;
1007 // The previews will be constrained by the remaining height, and the width.
1008 double preview_label_height = previews[0]->label->minimumSize().height() +
1009 previews[0]->main_vertical_layout->spacing();
1010 int preview_total_width = ui->preview_displays->geometry().width() - (previews.size() - 1) * ui->preview_displays->spacing();
1011 double preview_height = min(remaining_height - preview_label_height, (preview_total_width / double(previews.size())) * double(global_flags.height) / double(global_flags.width));
1012 remaining_height -= preview_height + preview_label_height + ui->vertical_layout->spacing();
1014 ui->vertical_layout->setStretch(0, lrintf(me_height));
1015 ui->vertical_layout->setStretch(1,
1016 lrintf(compact_label_height) +
1017 lrintf(remaining_height) +
1018 lrintf(preview_height + preview_label_height)); // Audio strip and previews together.
1020 ui->compact_audio_layout->setStretch(0, lrintf(compact_label_height));
1021 ui->compact_audio_layout->setStretch(1, lrintf(remaining_height)); // Audio strip.
1022 ui->compact_audio_layout->setStretch(2, lrintf(preview_height + preview_label_height));
1024 if (current_audio_view == 0) { // Compact audio view.
1025 // Set the widths for the previews.
1026 double preview_width = preview_height * double(global_flags.width) / double(global_flags.height);
1027 for (unsigned i = 0; i < previews.size(); ++i) {
1028 ui->preview_displays->setStretch(i, lrintf(preview_width));
1031 // The preview horizontal spacer.
1032 double remaining_preview_width = preview_total_width - previews.size() * preview_width;
1033 ui->preview_displays->setStretch(previews.size(), lrintf(remaining_preview_width));
1034 } else if (current_audio_view == 2) { // Video grid view.
1035 // QGridLayout doesn't do it for us, since we need to be able to remove rows
1036 // or columns as the grid changes, and it won't do that. Thus, position everything
1038 constexpr int spacing = 6;
1039 int grid_width = ui->preview_displays_grid->geometry().width();
1040 int grid_height = ui->preview_displays_grid->geometry().height();
1041 int best_preview_width = 0;
1042 unsigned best_num_rows = 1, best_num_cols = 1;
1043 for (unsigned num_rows = 1; num_rows <= previews.size(); ++num_rows) {
1044 int num_cols = (previews.size() + num_rows - 1) / num_rows;
1046 int max_preview_height = (grid_height - spacing * (num_rows - 1)) / num_rows - preview_label_height;
1047 int max_preview_width = (grid_width - spacing * (num_cols - 1)) / num_cols;
1048 int preview_width = std::min<int>(max_preview_width, max_preview_height * double(global_flags.width) / double(global_flags.height));
1050 if (preview_width > best_preview_width) {
1051 best_preview_width = preview_width;
1052 best_num_rows = num_rows;
1053 best_num_cols = num_cols;
1057 double cell_height = lrintf(best_preview_width * double(global_flags.height) / double(global_flags.width)) + preview_label_height;
1058 remaining_height = grid_height - best_num_rows * cell_height - (best_num_rows - 1) * spacing;
1059 int cell_width = best_preview_width;
1060 int remaining_width = grid_width - best_num_cols * cell_width - (best_num_cols - 1) * spacing;
1062 for (unsigned i = 0; i < previews.size(); ++i) {
1063 int col_idx = i % best_num_cols;
1064 int row_idx = i / best_num_cols;
1066 double top = remaining_height * 0.5f + row_idx * (cell_height + spacing);
1067 double bottom = top + cell_height;
1068 double left = remaining_width * 0.5f + col_idx * (cell_width + spacing);
1069 double right = left + cell_width;
1072 rect.setTop(lrintf(top));
1073 rect.setBottom(lrintf(bottom));
1074 rect.setLeft(lrintf(left));
1075 rect.setRight(lrintf(right));
1077 QWidget *display = static_cast<QWidget *>(previews[i]->frame->parent());
1078 display->setGeometry(rect);
1084 void MainWindow::set_locut(float value)
1086 set_relative_value(ui->locut_cutoff_knob, value);
1089 void MainWindow::set_limiter_threshold(float value)
1091 set_relative_value(ui->limiter_threshold_knob, value);
1094 void MainWindow::set_makeup_gain(float value)
1096 set_relative_value(ui->makeup_gain_knob, value);
1099 void MainWindow::set_treble(unsigned bus_idx, float value)
1101 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::treble_knob, value);
1104 void MainWindow::set_mid(unsigned bus_idx, float value)
1106 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::mid_knob, value);
1109 void MainWindow::set_bass(unsigned bus_idx, float value)
1111 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::bass_knob, value);
1114 void MainWindow::set_gain(unsigned bus_idx, float value)
1116 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_knob, value);
1119 void MainWindow::set_compressor_threshold(unsigned bus_idx, float value)
1121 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_threshold_knob, value);
1124 void MainWindow::set_fader(unsigned bus_idx, float value)
1126 set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::fader, value);
1129 void MainWindow::toggle_mute(unsigned bus_idx)
1131 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::mute_button);
1134 void MainWindow::toggle_locut(unsigned bus_idx)
1136 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::locut_enabled);
1139 void MainWindow::toggle_auto_gain_staging(unsigned bus_idx)
1141 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_auto_checkbox);
1144 void MainWindow::toggle_compressor(unsigned bus_idx)
1146 click_button_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_enabled);
1149 void MainWindow::clear_peak(unsigned bus_idx)
1151 post_to_main_thread([=]{
1152 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
1153 global_audio_mixer->reset_peak(bus_idx);
1154 midi_mapper.set_has_peaked(bus_idx, false);
1155 midi_mapper.refresh_lights();
1160 void MainWindow::clear_all_highlights()
1162 post_to_main_thread([this]{
1163 highlight_locut(false);
1164 highlight_limiter_threshold(false);
1165 highlight_makeup_gain(false);
1166 highlight_toggle_limiter(false);
1167 highlight_toggle_auto_makeup_gain(false);
1168 for (unsigned bus_idx = 0; bus_idx < audio_expanded_views.size(); ++bus_idx) {
1169 highlight_treble(bus_idx, false);
1170 highlight_mid(bus_idx, false);
1171 highlight_bass(bus_idx, false);
1172 highlight_gain(bus_idx, false);
1173 highlight_compressor_threshold(bus_idx, false);
1174 highlight_fader(bus_idx, false);
1175 highlight_mute(bus_idx, false);
1176 highlight_toggle_locut(bus_idx, false);
1177 highlight_toggle_auto_gain_staging(bus_idx, false);
1178 highlight_toggle_compressor(bus_idx, false);
1183 void MainWindow::toggle_limiter()
1185 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
1186 ui->limiter_enabled->click();
1190 void MainWindow::toggle_auto_makeup_gain()
1192 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
1193 ui->makeup_gain_auto_checkbox->click();
1197 void MainWindow::highlight_locut(bool highlight)
1199 post_to_main_thread([this, highlight]{
1200 highlight_control(ui->locut_cutoff_knob, highlight);
1201 highlight_control(ui->locut_cutoff_knob_2, highlight);
1205 void MainWindow::highlight_limiter_threshold(bool highlight)
1207 post_to_main_thread([this, highlight]{
1208 highlight_control(ui->limiter_threshold_knob, highlight);
1209 highlight_control(ui->limiter_threshold_knob_2, highlight);
1213 void MainWindow::highlight_makeup_gain(bool highlight)
1215 post_to_main_thread([this, highlight]{
1216 highlight_control(ui->makeup_gain_knob, highlight);
1217 highlight_control(ui->makeup_gain_knob_2, highlight);
1221 void MainWindow::highlight_treble(unsigned bus_idx, bool highlight)
1223 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::treble_knob, highlight);
1226 void MainWindow::highlight_mid(unsigned bus_idx, bool highlight)
1228 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::mid_knob, highlight);
1231 void MainWindow::highlight_bass(unsigned bus_idx, bool highlight)
1233 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::bass_knob, highlight);
1236 void MainWindow::highlight_gain(unsigned bus_idx, bool highlight)
1238 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_knob, highlight);
1241 void MainWindow::highlight_compressor_threshold(unsigned bus_idx, bool highlight)
1243 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_threshold_knob, highlight);
1246 void MainWindow::highlight_fader(unsigned bus_idx, bool highlight)
1248 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::fader, highlight);
1251 void MainWindow::highlight_mute(unsigned bus_idx, bool highlight)
1253 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::mute_button, highlight, /*is_mute_btton=*/true);
1256 void MainWindow::highlight_toggle_locut(unsigned bus_idx, bool highlight)
1258 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::locut_enabled, highlight);
1261 void MainWindow::highlight_toggle_auto_gain_staging(unsigned bus_idx, bool highlight)
1263 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_auto_checkbox, highlight);
1266 void MainWindow::highlight_toggle_compressor(unsigned bus_idx, bool highlight)
1268 highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_enabled, highlight);
1271 void MainWindow::highlight_toggle_limiter(bool highlight)
1273 post_to_main_thread([this, highlight]{
1274 highlight_control(ui->limiter_enabled, highlight);
1275 highlight_control(ui->limiter_enabled_2, highlight);
1279 void MainWindow::highlight_toggle_auto_makeup_gain(bool highlight)
1281 post_to_main_thread([this, highlight]{
1282 highlight_control(ui->makeup_gain_auto_checkbox, highlight);
1283 highlight_control(ui->makeup_gain_auto_checkbox_2, highlight);
1288 void MainWindow::set_relative_value(T *control, float value)
1290 post_to_main_thread([control, value]{
1291 control->setValue(lrintf(control->minimum() + value * (control->maximum() - control->minimum())));
1296 void MainWindow::set_relative_value_if_exists(unsigned bus_idx, T *(Ui_AudioExpandedView::*control), float value)
1298 if (global_audio_mixer != nullptr &&
1299 global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL &&
1300 bus_idx < audio_expanded_views.size()) {
1301 set_relative_value(audio_expanded_views[bus_idx]->*control, value);
1306 void MainWindow::click_button_if_exists(unsigned bus_idx, T *(Ui_AudioExpandedView::*control))
1308 post_to_main_thread([this, bus_idx, control]{
1309 if (global_audio_mixer != nullptr &&
1310 global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL &&
1311 bus_idx < audio_expanded_views.size()) {
1312 (audio_expanded_views[bus_idx]->*control)->click();
1318 void MainWindow::highlight_control(T *control, bool highlight)
1320 if (control == nullptr) {
1323 if (global_audio_mixer == nullptr ||
1324 global_audio_mixer->get_mapping_mode() != AudioMixer::MappingMode::MULTICHANNEL) {
1328 control->setStyleSheet("background: rgb(0,255,0,80)");
1330 control->setStyleSheet("");
1335 void MainWindow::highlight_mute_control(T *control, bool highlight)
1337 if (control == nullptr) {
1340 if (global_audio_mixer == nullptr ||
1341 global_audio_mixer->get_mapping_mode() != AudioMixer::MappingMode::MULTICHANNEL) {
1345 control->setStyleSheet("QPushButton { background: rgb(0,255,0,80); } QPushButton:checked { background: rgba(255,80,0,140); }");
1347 control->setStyleSheet("QPushButton:checked { background: rgba(255,0,0,80); }");
1352 void MainWindow::highlight_control_if_exists(unsigned bus_idx, T *(Ui_AudioExpandedView::*control), bool highlight, bool is_mute_button)
1354 post_to_main_thread([this, bus_idx, control, highlight, is_mute_button]{
1355 if (bus_idx < audio_expanded_views.size()) {
1356 if (is_mute_button) {
1357 highlight_mute_control(audio_expanded_views[bus_idx]->*control, highlight);
1359 highlight_control(audio_expanded_views[bus_idx]->*control, highlight);
1365 void MainWindow::set_transition_names(vector<string> transition_names)
1367 if (transition_names.size() < 1 || transition_names[0].empty()) {
1368 transition_btn1->setText(QString(""));
1370 transition_btn1->setText(QString::fromStdString(transition_names[0] + " (J)"));
1371 ui->transition_btn1->setShortcut(QKeySequence("J"));
1373 if (transition_names.size() < 2 || transition_names[1].empty()) {
1374 transition_btn2->setText(QString(""));
1376 transition_btn2->setText(QString::fromStdString(transition_names[1] + " (K)"));
1377 ui->transition_btn2->setShortcut(QKeySequence("K"));
1379 if (transition_names.size() < 3 || transition_names[2].empty()) {
1380 transition_btn3->setText(QString(""));
1382 transition_btn3->setText(QString::fromStdString(transition_names[2] + " (L)"));
1383 ui->transition_btn3->setShortcut(QKeySequence("L"));
1387 void MainWindow::update_channel_name(Mixer::Output output, const string &name)
1389 if (output >= Mixer::OUTPUT_INPUT0) {
1390 unsigned channel = output - Mixer::OUTPUT_INPUT0;
1391 previews[channel]->label->setText(name.c_str());
1394 analyzer->update_channel_name(output, name);
1397 void MainWindow::update_channel_color(Mixer::Output output, const string &color)
1399 if (output >= Mixer::OUTPUT_INPUT0) {
1400 unsigned channel = output - Mixer::OUTPUT_INPUT0;
1401 previews[channel]->frame->setStyleSheet(QString::fromStdString("background-color:" + color));
1405 void MainWindow::transition_clicked(int transition_number)
1407 global_mixer->transition_clicked(transition_number);
1410 void MainWindow::channel_clicked(int channel_number)
1412 if (current_wb_pick_display == channel_number) {
1413 // The picking was already done from eventFilter(), since we don't get
1414 // the mouse pointer here.
1416 global_mixer->channel_clicked(channel_number);
1420 void MainWindow::quick_cut_activated(int channel_number)
1422 if (!global_flags.enable_quick_cut_keys) {
1425 global_mixer->channel_clicked(channel_number);
1426 global_mixer->transition_clicked(0);
1429 void MainWindow::wb_button_clicked(int channel_number)
1431 current_wb_pick_display = channel_number;
1432 QApplication::setOverrideCursor(Qt::CrossCursor);
1435 void MainWindow::audio_view_changed(int audio_view)
1437 if (audio_view == current_audio_view) {
1441 if (audio_view == 0) {
1442 // Compact audio view. (1, full audio view, has no video previews.)
1443 for (unsigned i = 0; i < previews.size(); ++i) {
1444 QWidget *display = static_cast<QWidget *>(previews[i]->frame->parent());
1445 ui->preview_displays->insertWidget(i, display, 1);
1447 } else if (audio_view == 2) {
1448 // Video grid display.
1449 for (unsigned i = 0; i < previews.size(); ++i) {
1450 QWidget *display = static_cast<QWidget *>(previews[i]->frame->parent());
1451 display->setParent(ui->preview_displays_grid);
1456 current_audio_view = audio_view;
1458 // Ask for a relayout, but only after the event loop is done doing relayout
1459 // on everything else.
1460 QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
1463 bool MainWindow::eventFilter(QObject *watched, QEvent *event)
1465 if (current_wb_pick_display != -1 &&
1466 event->type() == QEvent::MouseButtonRelease &&
1467 watched->isWidgetType()) {
1468 QApplication::restoreOverrideCursor();
1469 if (watched == previews[current_wb_pick_display]->display) {
1470 const QMouseEvent *mouse_event = (QMouseEvent *)event;
1471 set_white_balance(current_wb_pick_display, mouse_event->x(), mouse_event->y());
1473 // The user clicked on something else, give up.
1474 // (The click goes through, which might not be ideal, but, yes.)
1475 current_wb_pick_display = -1;
1481 void MainWindow::closeEvent(QCloseEvent *event)
1483 if (global_mixer->get_num_connected_clients() > 0) {
1484 QMessageBox::StandardButton reply =
1485 QMessageBox::question(this, "Nageru", "There are clients connected. Do you really want to quit?",
1486 QMessageBox::Yes | QMessageBox::No);
1487 if (reply != QMessageBox::Yes) {
1499 double srgb_to_linear(double x)
1504 return pow((x + 0.055) / 1.055, 2.4);
1510 void MainWindow::set_white_balance(int channel_number, int x, int y)
1512 // Set the white balance to neutral for the grab. It's probably going to
1513 // flicker a bit, but hopefully this display is not live anyway.
1514 global_mixer->set_wb(Mixer::OUTPUT_INPUT0 + channel_number, 0.5, 0.5, 0.5);
1515 previews[channel_number]->display->updateGL();
1516 QRgb reference_color = previews[channel_number]->display->grabFrameBuffer().pixel(x, y);
1518 double r = srgb_to_linear(qRed(reference_color) / 255.0);
1519 double g = srgb_to_linear(qGreen(reference_color) / 255.0);
1520 double b = srgb_to_linear(qBlue(reference_color) / 255.0);
1521 global_mixer->set_wb(Mixer::OUTPUT_INPUT0 + channel_number, r, g, b);
1522 previews[channel_number]->display->updateGL();
1525 void MainWindow::audio_state_changed()
1527 post_to_main_thread([this]{
1528 if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
1531 InputMapping mapping = global_audio_mixer->get_input_mapping();
1532 for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) {
1533 string label = get_bus_desc_label(mapping.buses[bus_index]);
1534 audio_miniviews[bus_index]->bus_desc_label->setFullText(
1535 QString::fromStdString(label));
1536 audio_expanded_views[bus_index]->bus_desc_label->setFullText(
1537 QString::fromStdString(label));