X-Git-Url: https://git.sesse.net/?p=nageru;a=blobdiff_plain;f=mainwindow.cpp;h=36ea55ee3f8883fbe4e97fa484570bc26e70e8ee;hp=8872523e71d30fa6eb5cefa2d993ae73bdbedb78;hb=refs%2Fheads%2Fmultichannel_audio;hpb=92d7d0f49eca3378714670843f244a8d7ae8b05d diff --git a/mainwindow.cpp b/mainwindow.cpp index 8872523..36ea55e 100644 --- a/mainwindow.cpp +++ b/mainwindow.cpp @@ -1,83 +1,1222 @@ #include "mainwindow.h" -#include "window.h" -#include -#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include #include -#include -#include +#include -#include "context.h" +#include "aboutdialog.h" +#include "alsa_pool.h" +#include "clickable_label.h" +#include "correlation_meter.h" +#include "disk_space_estimator.h" +#include "ellipsis_label.h" +#include "flags.h" +#include "glwidget.h" +#include "input_mapping.h" +#include "input_mapping_dialog.h" +#include "lrameter.h" +#include "midi_mapping.pb.h" +#include "midi_mapping_dialog.h" #include "mixer.h" - -#include "ui_mainwindow.cpp" +#include "nonlinear_fader.h" +#include "post_to_main_thread.h" +#include "ui_audio_expanded_view.h" +#include "ui_audio_miniview.h" +#include "ui_display.h" +#include "ui_mainwindow.h" +#include "vumeter.h" using namespace std; +using namespace std::chrono; +using namespace std::placeholders; +Q_DECLARE_METATYPE(std::string); Q_DECLARE_METATYPE(std::vector); +MainWindow *global_mainwindow = nullptr; + +// -0.1 dBFS is EBU peak limit. We use it consistently, even for the bus meters +// (which don't calculate interpolate peak, and in general don't follow EBU recommendations). +constexpr float peak_limit_dbfs = -0.1f; + +namespace { + +void schedule_cut_signal(int ignored) +{ + global_mixer->schedule_cut(); +} + +void quit_signal(int ignored) +{ + global_mainwindow->close(); +} + +void slave_knob(QDial *master, QDial *slave) +{ + QWidget::connect(master, &QDial::valueChanged, [slave](int value){ + slave->blockSignals(true); + slave->setValue(value); + slave->blockSignals(false); + }); + QWidget::connect(slave, &QDial::valueChanged, [master](int value){ + master->setValue(value); + }); +} + +void slave_checkbox(QCheckBox *master, QCheckBox *slave) +{ + QWidget::connect(master, &QCheckBox::stateChanged, [slave](int state){ + slave->blockSignals(true); + slave->setCheckState(Qt::CheckState(state)); + slave->blockSignals(false); + }); + QWidget::connect(slave, &QCheckBox::stateChanged, [master](int state){ + master->setCheckState(Qt::CheckState(state)); + }); +} + +void slave_fader(NonLinearFader *master, NonLinearFader *slave) +{ + QWidget::connect(master, &NonLinearFader::dbValueChanged, [slave](double value) { + slave->blockSignals(true); + slave->setDbValue(value); + slave->blockSignals(false); + }); + QWidget::connect(slave, &NonLinearFader::dbValueChanged, [master](double value){ + master->setDbValue(value); + }); +} + +constexpr unsigned DB_NO_FLAGS = 0x0; +constexpr unsigned DB_WITH_SIGN = 0x1; +constexpr unsigned DB_BARE = 0x2; + +string format_db(double db, unsigned flags) +{ + string text; + if (flags & DB_WITH_SIGN) { + if (isfinite(db)) { + char buf[256]; + snprintf(buf, sizeof(buf), "%+.1f", db); + text = buf; + } else if (db < 0.0) { + text = "-∞"; + } else { + // Should never happen, really. + text = "+∞"; + } + } else { + if (isfinite(db)) { + char buf[256]; + snprintf(buf, sizeof(buf), "%.1f", db); + text = buf; + } else if (db < 0.0) { + text = "-∞"; + } else { + // Should never happen, really. + text = "∞"; + } + } + if (!(flags & DB_BARE)) { + text += " dB"; + } + return text; +} + +void set_peak_label(QLabel *peak_label, float peak_db) +{ + peak_label->setText(QString::fromStdString(format_db(peak_db, DB_BARE))); + + if (peak_db > peak_limit_dbfs) { + peak_label->setStyleSheet("QLabel { background-color: red; color: white; }"); + } else { + peak_label->setStyleSheet(""); + } +} + +} // namespace + MainWindow::MainWindow() + : ui(new Ui::MainWindow), midi_mapper(this) { - Ui::MainWindow *ui = new Ui::MainWindow; + global_mainwindow = this; ui->setupUi(this); + global_disk_space_estimator = new DiskSpaceEstimator(bind(&MainWindow::report_disk_space, this, _1, _2)); + disk_free_label = new QLabel(this); + disk_free_label->setStyleSheet("QLabel {padding-right: 5px;}"); + ui->menuBar->setCornerWidget(disk_free_label); + + QActionGroup *audio_mapping_group = new QActionGroup(this); + ui->simple_audio_mode->setActionGroup(audio_mapping_group); + ui->multichannel_audio_mode->setActionGroup(audio_mapping_group); + ui->me_live->set_output(Mixer::OUTPUT_LIVE); ui->me_preview->set_output(Mixer::OUTPUT_PREVIEW); - // TODO: Ask for the real number. - ui->preview1->set_output(Mixer::OUTPUT_INPUT0); - ui->preview2->set_output(Mixer::OUTPUT_INPUT1); - ui->preview3->set_output(Mixer::OUTPUT_INPUT2); + // The menus. + connect(ui->cut_action, &QAction::triggered, this, &MainWindow::cut_triggered); + connect(ui->exit_action, &QAction::triggered, this, &MainWindow::exit_triggered); + connect(ui->about_action, &QAction::triggered, this, &MainWindow::about_triggered); + connect(ui->simple_audio_mode, &QAction::triggered, this, &MainWindow::simple_audio_mode_triggered); + connect(ui->multichannel_audio_mode, &QAction::triggered, this, &MainWindow::multichannel_audio_mode_triggered); + connect(ui->input_mapping_action, &QAction::triggered, this, &MainWindow::input_mapping_triggered); + connect(ui->midi_mapping_action, &QAction::triggered, this, &MainWindow::midi_mapping_triggered); - // Hook up the preview clicks. - { - QSignalMapper *mapper = new QSignalMapper(this); - mapper->setMapping(ui->preview1, 0), - mapper->setMapping(ui->preview2, 1); - mapper->setMapping(ui->preview3, 2); - connect(ui->preview1, SIGNAL(clicked()), mapper, SLOT(map())); - connect(ui->preview2, SIGNAL(clicked()), mapper, SLOT(map())); - connect(ui->preview3, SIGNAL(clicked()), mapper, SLOT(map())); - connect(mapper, SIGNAL(mapped(int)), this, SLOT(channel_clicked(int))); + if (global_flags.x264_video_to_http) { + connect(ui->x264_bitrate_action, &QAction::triggered, this, &MainWindow::x264_bitrate_triggered); + } else { + ui->x264_bitrate_action->setEnabled(false); } - // Hook up the transition buttons. + // Hook up the transition buttons. (Keyboard shortcuts are set in set_transition_names().) // TODO: Make them dynamic. - { - QSignalMapper *mapper = new QSignalMapper(this); - mapper->setMapping(ui->transition_btn1, 0), - mapper->setMapping(ui->transition_btn2, 1); - mapper->setMapping(ui->transition_btn3, 2); - connect(ui->transition_btn1, SIGNAL(clicked()), mapper, SLOT(map())); - connect(ui->transition_btn2, SIGNAL(clicked()), mapper, SLOT(map())); - connect(ui->transition_btn3, SIGNAL(clicked()), mapper, SLOT(map())); - connect(mapper, SIGNAL(mapped(int)), this, SLOT(transition_clicked(int))); - } + connect(ui->transition_btn1, &QPushButton::clicked, bind(&MainWindow::transition_clicked, this, 0)); + connect(ui->transition_btn2, &QPushButton::clicked, bind(&MainWindow::transition_clicked, this, 1)); + connect(ui->transition_btn3, &QPushButton::clicked, bind(&MainWindow::transition_clicked, this, 2)); // Aiee... transition_btn1 = ui->transition_btn1; transition_btn2 = ui->transition_btn2; transition_btn3 = ui->transition_btn3; - qRegisterMetaType>("std::vector"); - connect(ui->preview1, SIGNAL(transition_names_updated(std::vector)), - this, SLOT(set_transition_names(std::vector))); + qRegisterMetaType("std::string"); + qRegisterMetaType>("std::vector"); + connect(ui->me_live, &GLWidget::transition_names_updated, this, &MainWindow::set_transition_names); + qRegisterMetaType("Mixer::Output"); + + // Hook up the prev/next buttons on the audio views. + connect(ui->compact_prev_page, &QAbstractButton::clicked, bind(&QStackedWidget::setCurrentIndex, ui->audio_views, 1)); + connect(ui->compact_next_page, &QAbstractButton::clicked, bind(&QStackedWidget::setCurrentIndex, ui->audio_views, 1)); + connect(ui->full_prev_page, &QAbstractButton::clicked, bind(&QStackedWidget::setCurrentIndex, ui->audio_views, 0)); + connect(ui->full_next_page, &QAbstractButton::clicked, bind(&QStackedWidget::setCurrentIndex, ui->audio_views, 0)); + + // And bind the same to PgUp/PgDown. + auto switch_page = [this]{ + if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) { + ui->audio_views->setCurrentIndex(1 - ui->audio_views->currentIndex()); + } + }; + connect(new QShortcut(QKeySequence::MoveToNextPage, this), &QShortcut::activated, switch_page); + connect(new QShortcut(QKeySequence::MoveToPreviousPage, this), &QShortcut::activated, switch_page); + + last_audio_level_callback = steady_clock::now() - seconds(1); + + if (!global_flags.midi_mapping_filename.empty()) { + MIDIMappingProto midi_mapping; + if (!load_midi_mapping_from_file(global_flags.midi_mapping_filename, &midi_mapping)) { + fprintf(stderr, "Couldn't load MIDI mapping '%s'; exiting.\n", + global_flags.midi_mapping_filename.c_str()); + exit(1); + } + midi_mapper.set_midi_mapping(midi_mapping); + } + midi_mapper.refresh_highlights(); + midi_mapper.refresh_lights(); + midi_mapper.start_thread(); +} + +void MainWindow::resizeEvent(QResizeEvent* event) +{ + QMainWindow::resizeEvent(event); + + // Ask for a relayout, but only after the event loop is done doing relayout + // on everything else. + QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection); +} + +void MainWindow::mixer_created(Mixer *mixer) +{ + // Make the previews. + unsigned num_previews = mixer->get_num_channels(); + + for (unsigned i = 0; i < num_previews; ++i) { + Mixer::Output output = Mixer::Output(Mixer::OUTPUT_INPUT0 + i); + + QWidget *preview = new QWidget(this); + Ui::Display *ui_display = new Ui::Display; + ui_display->setupUi(preview); + ui_display->label->setText(mixer->get_channel_name(output).c_str()); + ui_display->display->set_output(output); + ui->preview_displays->insertWidget(previews.size(), preview, 1); + previews.push_back(ui_display); + + // Hook up the click. + connect(ui_display->display, &GLWidget::clicked, bind(&MainWindow::channel_clicked, this, i)); + + // Let the theme update the text whenever the resolution or color changed. + connect(ui_display->display, &GLWidget::name_updated, this, &MainWindow::update_channel_name); + connect(ui_display->display, &GLWidget::color_updated, this, &MainWindow::update_channel_color); + + // Hook up the keyboard key. + QShortcut *shortcut = new QShortcut(QKeySequence(Qt::Key_1 + i), this); + connect(shortcut, &QShortcut::activated, bind(&MainWindow::channel_clicked, this, i)); + + // Hook up the white balance button (irrelevant if invisible). + ui_display->wb_button->setVisible(mixer->get_supports_set_wb(output)); + connect(ui_display->wb_button, &QPushButton::clicked, bind(&MainWindow::wb_button_clicked, this, i)); + } + + global_audio_mixer->set_state_changed_callback(bind(&MainWindow::audio_state_changed, this)); + + slave_knob(ui->locut_cutoff_knob, ui->locut_cutoff_knob_2); + slave_knob(ui->limiter_threshold_knob, ui->limiter_threshold_knob_2); + slave_knob(ui->makeup_gain_knob, ui->makeup_gain_knob_2); + slave_checkbox(ui->makeup_gain_auto_checkbox, ui->makeup_gain_auto_checkbox_2); + slave_checkbox(ui->limiter_enabled, ui->limiter_enabled_2); + + reset_audio_mapping_ui(); + + // TODO: Fetch all of the values these for completeness, + // not just the enable knobs implied by flags. + ui->limiter_enabled->setChecked(global_audio_mixer->get_limiter_enabled()); + ui->makeup_gain_auto_checkbox->setChecked(global_audio_mixer->get_final_makeup_gain_auto()); + + // Controls used only for simple audio fetch their state from the first bus. + constexpr unsigned simple_bus_index = 0; + if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) { + ui->locut_enabled->setChecked(global_audio_mixer->get_locut_enabled(simple_bus_index)); + ui->gainstaging_knob->setValue(global_audio_mixer->get_gain_staging_db(simple_bus_index)); + ui->gainstaging_auto_checkbox->setChecked(global_audio_mixer->get_gain_staging_auto(simple_bus_index)); + ui->compressor_enabled->setChecked(global_audio_mixer->get_compressor_enabled(simple_bus_index)); + ui->compressor_threshold_db_display->setText( + QString::fromStdString(format_db(mixer->get_audio_mixer()->get_compressor_threshold_dbfs(simple_bus_index), DB_WITH_SIGN))); + } + connect(ui->locut_enabled, &QCheckBox::stateChanged, [this](int state){ + global_audio_mixer->set_locut_enabled(simple_bus_index, state == Qt::Checked); + midi_mapper.refresh_lights(); + }); + connect(ui->gainstaging_knob, &QAbstractSlider::valueChanged, + bind(&MainWindow::gain_staging_knob_changed, this, simple_bus_index, _1)); + connect(ui->gainstaging_auto_checkbox, &QCheckBox::stateChanged, [this, simple_bus_index](int state){ + global_audio_mixer->set_gain_staging_auto(simple_bus_index, state == Qt::Checked); + midi_mapper.refresh_lights(); + }); + connect(ui->compressor_threshold_knob, &QDial::valueChanged, + bind(&MainWindow::compressor_threshold_knob_changed, this, simple_bus_index, _1)); + connect(ui->compressor_enabled, &QCheckBox::stateChanged, [this, simple_bus_index](int state){ + global_audio_mixer->set_compressor_enabled(simple_bus_index, state == Qt::Checked); + midi_mapper.refresh_lights(); + }); + + // Global mastering controls. + QString limiter_threshold_label( + QString::fromStdString(format_db(mixer->get_audio_mixer()->get_limiter_threshold_dbfs(), DB_WITH_SIGN))); + ui->limiter_threshold_db_display->setText(limiter_threshold_label); + ui->limiter_threshold_db_display_2->setText(limiter_threshold_label); + + connect(ui->locut_cutoff_knob, &QDial::valueChanged, this, &MainWindow::cutoff_knob_changed); + cutoff_knob_changed(ui->locut_cutoff_knob->value()); + + connect(ui->makeup_gain_knob, &QAbstractSlider::valueChanged, this, &MainWindow::final_makeup_gain_knob_changed); + connect(ui->makeup_gain_auto_checkbox, &QCheckBox::stateChanged, [this](int state){ + global_audio_mixer->set_final_makeup_gain_auto(state == Qt::Checked); + midi_mapper.refresh_lights(); + }); + + connect(ui->limiter_threshold_knob, &QDial::valueChanged, this, &MainWindow::limiter_threshold_knob_changed); + connect(ui->limiter_enabled, &QCheckBox::stateChanged, [this](int state){ + global_audio_mixer->set_limiter_enabled(state == Qt::Checked); + midi_mapper.refresh_lights(); + }); + connect(ui->reset_meters_button, &QPushButton::clicked, this, &MainWindow::reset_meters_button_clicked); + // Even though we have a reset button right next to it, the fact that + // the expanded audio view labels are clickable makes it natural to + // click this one as well. + connect(ui->peak_display, &ClickableLabel::clicked, this, &MainWindow::reset_meters_button_clicked); + mixer->get_audio_mixer()->set_audio_level_callback(bind(&MainWindow::audio_level_callback, this, _1, _2, _3, _4, _5, _6, _7, _8)); + + midi_mapper.refresh_highlights(); + midi_mapper.refresh_lights(); + + struct sigaction act; + memset(&act, 0, sizeof(act)); + act.sa_handler = schedule_cut_signal; + act.sa_flags = SA_RESTART; + sigaction(SIGHUP, &act, nullptr); + + // Mostly for debugging. Don't override SIGINT, that's so evil if + // shutdown isn't instant. + memset(&act, 0, sizeof(act)); + act.sa_handler = quit_signal; + act.sa_flags = SA_RESTART; + sigaction(SIGUSR1, &act, nullptr); +} + +void MainWindow::reset_audio_mapping_ui() +{ + bool simple = (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE); + + ui->simple_audio_mode->setChecked(simple); + ui->multichannel_audio_mode->setChecked(!simple); + ui->input_mapping_action->setEnabled(!simple); + ui->midi_mapping_action->setEnabled(!simple); + + ui->locut_enabled->setVisible(simple); + ui->gainstaging_label->setVisible(simple); + ui->gainstaging_knob->setVisible(simple); + ui->gainstaging_db_display->setVisible(simple); + ui->gainstaging_auto_checkbox->setVisible(simple); + ui->compressor_threshold_label->setVisible(simple); + ui->compressor_threshold_knob->setVisible(simple); + ui->compressor_threshold_db_display->setVisible(simple); + ui->compressor_enabled->setVisible(simple); + + setup_audio_miniview(); + setup_audio_expanded_view(); + + if (simple) { + ui->audio_views->setCurrentIndex(0); + } + ui->compact_header->setVisible(!simple); + + midi_mapper.refresh_highlights(); + midi_mapper.refresh_lights(); +} + +void MainWindow::setup_audio_miniview() +{ + // Remove any existing channels. + for (QLayoutItem *item; (item = ui->faders->takeAt(0)) != nullptr; ) { + delete item->widget(); + delete item; + } + audio_miniviews.clear(); + + if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) { + return; + } + + // Set up brand new ones from the input mapping. + InputMapping mapping = global_audio_mixer->get_input_mapping(); + audio_miniviews.resize(mapping.buses.size()); + for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) { + QWidget *channel = new QWidget(this); + Ui::AudioMiniView *ui_audio_miniview = new Ui::AudioMiniView; + ui_audio_miniview->setupUi(channel); + ui_audio_miniview->bus_desc_label->setFullText( + QString::fromStdString(mapping.buses[bus_index].name)); + audio_miniviews[bus_index] = ui_audio_miniview; + + // Set up the peak meter. + VUMeter *peak_meter = ui_audio_miniview->peak_meter; + peak_meter->set_min_level(-30.0f); + peak_meter->set_max_level(0.0f); + peak_meter->set_ref_level(0.0f); + + ui_audio_miniview->fader->setDbValue(global_audio_mixer->get_fader_volume(bus_index)); + + ui->faders->addWidget(channel); + + connect(ui_audio_miniview->fader, &NonLinearFader::dbValueChanged, + bind(&MainWindow::mini_fader_changed, this, bus_index, _1)); + connect(ui_audio_miniview->peak_display_label, &ClickableLabel::clicked, + [bus_index]() { + global_audio_mixer->reset_peak(bus_index); + }); + } +} + +void MainWindow::setup_audio_expanded_view() +{ + // Remove any existing channels. + for (QLayoutItem *item; (item = ui->buses->takeAt(0)) != nullptr; ) { + delete item->widget(); + delete item; + } + audio_expanded_views.clear(); + + if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) { + return; + } + + // Set up brand new ones from the input mapping. + InputMapping mapping = global_audio_mixer->get_input_mapping(); + audio_expanded_views.resize(mapping.buses.size()); + for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) { + QWidget *channel = new QWidget(this); + Ui::AudioExpandedView *ui_audio_expanded_view = new Ui::AudioExpandedView; + ui_audio_expanded_view->setupUi(channel); + ui_audio_expanded_view->bus_desc_label->setFullText( + QString::fromStdString(mapping.buses[bus_index].name)); + audio_expanded_views[bus_index] = ui_audio_expanded_view; + update_eq_label(bus_index, EQ_BAND_TREBLE, global_audio_mixer->get_eq(bus_index, EQ_BAND_TREBLE)); + update_eq_label(bus_index, EQ_BAND_MID, global_audio_mixer->get_eq(bus_index, EQ_BAND_MID)); + update_eq_label(bus_index, EQ_BAND_BASS, global_audio_mixer->get_eq(bus_index, EQ_BAND_BASS)); + ui_audio_expanded_view->fader->setDbValue(global_audio_mixer->get_fader_volume(bus_index)); + ui_audio_expanded_view->mute_button->setChecked(global_audio_mixer->get_mute(bus_index) ? Qt::Checked : Qt::Unchecked); + connect(ui_audio_expanded_view->mute_button, &QPushButton::toggled, + bind(&MainWindow::mute_button_toggled, this, bus_index, _1)); + ui->buses->addWidget(channel); + + ui_audio_expanded_view->locut_enabled->setChecked(global_audio_mixer->get_locut_enabled(bus_index)); + connect(ui_audio_expanded_view->locut_enabled, &QCheckBox::stateChanged, [this, bus_index](int state){ + global_audio_mixer->set_locut_enabled(bus_index, state == Qt::Checked); + midi_mapper.refresh_lights(); + }); + + connect(ui_audio_expanded_view->treble_knob, &QDial::valueChanged, + bind(&MainWindow::eq_knob_changed, this, bus_index, EQ_BAND_TREBLE, _1)); + connect(ui_audio_expanded_view->mid_knob, &QDial::valueChanged, + bind(&MainWindow::eq_knob_changed, this, bus_index, EQ_BAND_MID, _1)); + connect(ui_audio_expanded_view->bass_knob, &QDial::valueChanged, + bind(&MainWindow::eq_knob_changed, this, bus_index, EQ_BAND_BASS, _1)); + + ui_audio_expanded_view->gainstaging_knob->setValue(global_audio_mixer->get_gain_staging_db(bus_index)); + ui_audio_expanded_view->gainstaging_auto_checkbox->setChecked(global_audio_mixer->get_gain_staging_auto(bus_index)); + ui_audio_expanded_view->compressor_enabled->setChecked(global_audio_mixer->get_compressor_enabled(bus_index)); + + connect(ui_audio_expanded_view->gainstaging_knob, &QAbstractSlider::valueChanged, bind(&MainWindow::gain_staging_knob_changed, this, bus_index, _1)); + connect(ui_audio_expanded_view->gainstaging_auto_checkbox, &QCheckBox::stateChanged, [this, bus_index](int state){ + global_audio_mixer->set_gain_staging_auto(bus_index, state == Qt::Checked); + midi_mapper.refresh_lights(); + }); + + connect(ui_audio_expanded_view->compressor_threshold_knob, &QDial::valueChanged, bind(&MainWindow::compressor_threshold_knob_changed, this, bus_index, _1)); + connect(ui_audio_expanded_view->compressor_enabled, &QCheckBox::stateChanged, [this, bus_index](int state){ + global_audio_mixer->set_compressor_enabled(bus_index, state == Qt::Checked); + midi_mapper.refresh_lights(); + }); + + slave_fader(audio_miniviews[bus_index]->fader, ui_audio_expanded_view->fader); + + // Set up the peak meter. + VUMeter *peak_meter = ui_audio_expanded_view->peak_meter; + peak_meter->set_min_level(-30.0f); + peak_meter->set_max_level(0.0f); + peak_meter->set_ref_level(0.0f); + + connect(ui_audio_expanded_view->peak_display_label, &ClickableLabel::clicked, + [this, bus_index]() { + global_audio_mixer->reset_peak(bus_index); + midi_mapper.refresh_lights(); + }); + } + + update_cutoff_labels(global_audio_mixer->get_locut_cutoff()); +} + +void MainWindow::mixer_shutting_down() +{ + ui->me_live->clean_context(); + ui->me_preview->clean_context(); + for (Ui::Display *display : previews) { + display->display->clean_context(); + } +} + +void MainWindow::cut_triggered() +{ + global_mixer->schedule_cut(); +} + +void MainWindow::x264_bitrate_triggered() +{ + bool ok; + 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); + if (ok && new_bitrate >= 100 && new_bitrate <= 100000) { + global_flags.x264_bitrate = new_bitrate; + global_mixer->change_x264_bitrate(new_bitrate); + } +} + +void MainWindow::exit_triggered() +{ + close(); +} + +void MainWindow::about_triggered() +{ + AboutDialog().exec(); +} + +void MainWindow::simple_audio_mode_triggered() +{ + if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) { + return; + } + unsigned card_index = global_audio_mixer->get_simple_input(); + if (card_index == numeric_limits::max()) { + QMessageBox::StandardButton reply = + QMessageBox::question(this, + "Mapping too complex", + "The current audio mapping is too complicated to be representable in simple mode, " + "and will be discarded if you proceed. Really go to simple audio mode?", + QMessageBox::Yes | QMessageBox::No); + if (reply == QMessageBox::No) { + ui->simple_audio_mode->setChecked(false); + ui->multichannel_audio_mode->setChecked(true); + return; + } + card_index = 0; + } + global_audio_mixer->set_simple_input(/*card_index=*/card_index); + reset_audio_mapping_ui(); +} + +void MainWindow::multichannel_audio_mode_triggered() +{ + if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) { + return; + } + + // Take the generated input mapping from the simple input, + // and set it as a normal multichannel mapping, which causes + // the mode to go to multichannel. + global_audio_mixer->set_input_mapping(global_audio_mixer->get_input_mapping()); + reset_audio_mapping_ui(); +} + +void MainWindow::input_mapping_triggered() +{ + if (InputMappingDialog().exec() == QDialog::Accepted) { + setup_audio_miniview(); + setup_audio_expanded_view(); + } + midi_mapper.refresh_highlights(); + midi_mapper.refresh_lights(); +} + +void MainWindow::midi_mapping_triggered() +{ + MIDIMappingDialog(&midi_mapper).exec(); +} + +void MainWindow::gain_staging_knob_changed(unsigned bus_index, int value) +{ + if (bus_index == 0) { + ui->gainstaging_auto_checkbox->setCheckState(Qt::Unchecked); + } + if (bus_index < audio_expanded_views.size()) { + audio_expanded_views[bus_index]->gainstaging_auto_checkbox->setCheckState(Qt::Unchecked); + } + + float gain_db = value * 0.1f; + global_audio_mixer->set_gain_staging_db(bus_index, gain_db); + + // The label will be updated by the audio level callback. +} + +void MainWindow::final_makeup_gain_knob_changed(int value) +{ + ui->makeup_gain_auto_checkbox->setCheckState(Qt::Unchecked); + + float gain_db = value * 0.1f; + global_audio_mixer->set_final_makeup_gain_db(gain_db); + + // The label will be updated by the audio level callback. +} + +void MainWindow::cutoff_knob_changed(int value) +{ + float octaves = value * 0.1f; + float cutoff_hz = 20.0 * pow(2.0, octaves); + global_audio_mixer->set_locut_cutoff(cutoff_hz); + update_cutoff_labels(cutoff_hz); +} + +void MainWindow::update_cutoff_labels(float cutoff_hz) +{ + char buf[256]; + snprintf(buf, sizeof(buf), "%ld Hz", lrintf(cutoff_hz)); + ui->locut_cutoff_display->setText(buf); + ui->locut_cutoff_display_2->setText(buf); + + for (unsigned bus_index = 0; bus_index < audio_expanded_views.size(); ++bus_index) { + audio_expanded_views[bus_index]->locut_enabled->setText( + QString("Lo-cut: ") + buf); + } +} + +void MainWindow::report_disk_space(off_t free_bytes, double estimated_seconds_left) +{ + char time_str[256]; + if (estimated_seconds_left < 60.0) { + strcpy(time_str, "Less than a minute"); + } else if (estimated_seconds_left < 1800.0) { // Less than half an hour: Xm Ys (red). + int s = lrintf(estimated_seconds_left); + int m = s / 60; + s %= 60; + snprintf(time_str, sizeof(time_str), "%dm %ds", m, s); + } else if (estimated_seconds_left < 3600.0) { // Less than an hour: Xm. + int m = lrintf(estimated_seconds_left / 60.0); + snprintf(time_str, sizeof(time_str), "%dm", m); + } else if (estimated_seconds_left < 36000.0) { // Less than ten hours: Xh Ym. + int m = lrintf(estimated_seconds_left / 60.0); + int h = m / 60; + m %= 60; + snprintf(time_str, sizeof(time_str), "%dh %dm", h, m); + } else { // More than ten hours: Xh. + int h = lrintf(estimated_seconds_left / 3600.0); + snprintf(time_str, sizeof(time_str), "%dh", h); + } + char buf[256]; + snprintf(buf, sizeof(buf), "Disk free: %'.0f MB (approx. %s)", free_bytes / 1048576.0, time_str); + + std::string label = buf; + + post_to_main_thread([this, label]{ + disk_free_label->setText(QString::fromStdString(label)); + ui->menuBar->setCornerWidget(disk_free_label); // Need to set this again for the sizing to get right. + }); +} + +void MainWindow::eq_knob_changed(unsigned bus_index, EQBand band, int value) +{ + float gain_db = value * 0.1f; + global_audio_mixer->set_eq(bus_index, band, gain_db); + + update_eq_label(bus_index, band, gain_db); +} + +void MainWindow::update_eq_label(unsigned bus_index, EQBand band, float gain_db) +{ + Ui::AudioExpandedView *view = audio_expanded_views[bus_index]; + string db_string = format_db(gain_db, DB_WITH_SIGN); + switch (band) { + case EQ_BAND_TREBLE: + view->treble_label->setText(QString::fromStdString("Treble: " + db_string)); + break; + case EQ_BAND_MID: + view->mid_label->setText(QString::fromStdString("Mid: " + db_string)); + break; + case EQ_BAND_BASS: + view->bass_label->setText(QString::fromStdString("Bass: " + db_string)); + break; + default: + assert(false); + } +} + +void MainWindow::limiter_threshold_knob_changed(int value) +{ + float threshold_dbfs = value * 0.1f; + global_audio_mixer->set_limiter_threshold_dbfs(threshold_dbfs); + ui->limiter_threshold_db_display->setText( + QString::fromStdString(format_db(threshold_dbfs, DB_WITH_SIGN))); + ui->limiter_threshold_db_display_2->setText( + QString::fromStdString(format_db(threshold_dbfs, DB_WITH_SIGN))); +} + +void MainWindow::compressor_threshold_knob_changed(unsigned bus_index, int value) +{ + float threshold_dbfs = value * 0.1f; + global_audio_mixer->set_compressor_threshold_dbfs(bus_index, threshold_dbfs); + + QString label(QString::fromStdString(format_db(threshold_dbfs, DB_WITH_SIGN))); + if (bus_index == 0) { + ui->compressor_threshold_db_display->setText(label); + } + if (bus_index < audio_expanded_views.size()) { + audio_expanded_views[bus_index]->compressor_threshold_db_display->setText(label); + } +} + +void MainWindow::mini_fader_changed(int bus, double volume_db) +{ + QString label(QString::fromStdString(format_db(volume_db, DB_WITH_SIGN))); + audio_miniviews[bus]->fader_label->setText(label); + audio_expanded_views[bus]->fader_label->setText(label); + + global_audio_mixer->set_fader_volume(bus, volume_db); +} + +void MainWindow::mute_button_toggled(int bus, bool checked) +{ + global_audio_mixer->set_mute(bus, checked); + midi_mapper.refresh_lights(); +} + +void MainWindow::reset_meters_button_clicked() +{ + global_audio_mixer->reset_meters(); + ui->peak_display->setText(QString::fromStdString(format_db(-HUGE_VAL, DB_WITH_SIGN | DB_BARE))); + ui->peak_display->setStyleSheet(""); +} + +void MainWindow::audio_level_callback(float level_lufs, float peak_db, vector bus_levels, + float global_level_lufs, + float range_low_lufs, float range_high_lufs, + float final_makeup_gain_db, + float correlation) +{ + steady_clock::time_point now = steady_clock::now(); + + // The meters are somewhat inefficient to update. Only update them + // every 100 ms or so (we get updates every 5–20 ms). Note that this + // means that the digital peak meters are ever so slightly too low + // (each update won't be a faithful representation of the highest peak + // since the previous update, since there are frames we won't draw), + // but the _peak_ of the peak meters will be correct (it's tracked in + // AudioMixer, not here), and that's much more important. + double last_update_age = duration(now - last_audio_level_callback).count(); + if (last_update_age < 0.100) { + return; + } + last_audio_level_callback = now; + + post_to_main_thread([=]() { + ui->vu_meter->set_level(level_lufs); + for (unsigned bus_index = 0; bus_index < bus_levels.size(); ++bus_index) { + if (bus_index < audio_miniviews.size()) { + const AudioMixer::BusLevel &level = bus_levels[bus_index]; + Ui::AudioMiniView *miniview = audio_miniviews[bus_index]; + miniview->peak_meter->set_level( + level.current_level_dbfs[0], level.current_level_dbfs[1]); + miniview->peak_meter->set_peak( + level.peak_level_dbfs[0], level.peak_level_dbfs[1]); + set_peak_label(miniview->peak_display_label, level.historic_peak_dbfs); + + Ui::AudioExpandedView *view = audio_expanded_views[bus_index]; + view->peak_meter->set_level( + level.current_level_dbfs[0], level.current_level_dbfs[1]); + view->peak_meter->set_peak( + level.peak_level_dbfs[0], level.peak_level_dbfs[1]); + view->reduction_meter->set_reduction_db(level.compressor_attenuation_db); + view->gainstaging_knob->blockSignals(true); + view->gainstaging_knob->setValue(lrintf(level.gain_staging_db * 10.0f)); + view->gainstaging_knob->blockSignals(false); + view->gainstaging_db_display->setText( + QString("Gain: ") + + QString::fromStdString(format_db(level.gain_staging_db, DB_WITH_SIGN))); + set_peak_label(view->peak_display_label, level.historic_peak_dbfs); + + midi_mapper.set_has_peaked(bus_index, level.historic_peak_dbfs >= -0.1f); + } + } + ui->lra_meter->set_levels(global_level_lufs, range_low_lufs, range_high_lufs); + ui->correlation_meter->set_correlation(correlation); + + ui->peak_display->setText(QString::fromStdString(format_db(peak_db, DB_BARE))); + set_peak_label(ui->peak_display, peak_db); + + // NOTE: Will be invisible when using multitrack audio. + ui->gainstaging_knob->blockSignals(true); + ui->gainstaging_knob->setValue(lrintf(bus_levels[0].gain_staging_db * 10.0f)); + ui->gainstaging_knob->blockSignals(false); + ui->gainstaging_db_display->setText( + QString::fromStdString(format_db(bus_levels[0].gain_staging_db, DB_WITH_SIGN))); + + ui->makeup_gain_knob->blockSignals(true); + ui->makeup_gain_knob->setValue(lrintf(final_makeup_gain_db * 10.0f)); + ui->makeup_gain_knob->blockSignals(false); + ui->makeup_gain_db_display->setText( + QString::fromStdString(format_db(final_makeup_gain_db, DB_WITH_SIGN))); + ui->makeup_gain_db_display_2->setText( + QString::fromStdString(format_db(final_makeup_gain_db, DB_WITH_SIGN))); + + // Peak labels could have changed. + midi_mapper.refresh_lights(); + }); +} + +void MainWindow::relayout() +{ + int height = ui->vertical_layout->geometry().height(); + + double remaining_height = height; + + // Allocate the height; the most important part is to keep the main displays + // at 16:9 if at all possible. + double me_width = ui->me_preview->width(); + double me_height = me_width * 9.0 / 16.0 + ui->label_preview->height() + ui->preview_vertical_layout->spacing(); + + // TODO: Scale the widths when we need to do this. + if (me_height / double(height) > 0.8) { + me_height = height * 0.8; + } + remaining_height -= me_height + ui->vertical_layout->spacing(); + + // Space between the M/E displays and the audio strip. + remaining_height -= ui->vertical_layout->spacing(); + + // The label above the audio strip. + double compact_label_height = ui->compact_label->minimumHeight() + + ui->compact_audio_layout->spacing(); + remaining_height -= compact_label_height; + + // The previews will be constrained by the remaining height, and the width. + double preview_label_height = previews[0]->title_bar->geometry().height() + + previews[0]->main_vertical_layout->spacing(); + int preview_total_width = ui->preview_displays->geometry().width() - (previews.size() - 1) * ui->preview_displays->spacing(); + double preview_height = min(remaining_height - preview_label_height, (preview_total_width / double(previews.size())) * 9.0 / 16.0); + remaining_height -= preview_height + preview_label_height + ui->vertical_layout->spacing(); + + ui->vertical_layout->setStretch(0, lrintf(me_height)); + ui->vertical_layout->setStretch(1, + lrintf(compact_label_height) + + lrintf(remaining_height) + + lrintf(preview_height + preview_label_height)); // Audio strip and previews together. + + ui->compact_audio_layout->setStretch(0, lrintf(compact_label_height)); + ui->compact_audio_layout->setStretch(1, lrintf(remaining_height)); // Audio strip. + ui->compact_audio_layout->setStretch(2, lrintf(preview_height + preview_label_height)); + + // Set the widths for the previews. + double preview_width = preview_height * 16.0 / 9.0; + for (unsigned i = 0; i < previews.size(); ++i) { + ui->preview_displays->setStretch(i, lrintf(preview_width)); + } + + // The preview horizontal spacer. + double remaining_preview_width = preview_total_width - previews.size() * preview_width; + ui->preview_displays->setStretch(previews.size(), lrintf(remaining_preview_width)); +} + +void MainWindow::set_locut(float value) +{ + set_relative_value(ui->locut_cutoff_knob, value); +} + +void MainWindow::set_limiter_threshold(float value) +{ + set_relative_value(ui->limiter_threshold_knob, value); +} + +void MainWindow::set_makeup_gain(float value) +{ + set_relative_value(ui->makeup_gain_knob, value); +} + +void MainWindow::set_treble(unsigned bus_idx, float value) +{ + set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::treble_knob, value); +} + +void MainWindow::set_mid(unsigned bus_idx, float value) +{ + set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::mid_knob, value); +} + +void MainWindow::set_bass(unsigned bus_idx, float value) +{ + set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::bass_knob, value); +} + +void MainWindow::set_gain(unsigned bus_idx, float value) +{ + set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_knob, value); +} + +void MainWindow::set_compressor_threshold(unsigned bus_idx, float value) +{ + set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_threshold_knob, value); +} + +void MainWindow::set_fader(unsigned bus_idx, float value) +{ + set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::fader, value); +} + +void MainWindow::toggle_mute(unsigned bus_idx) +{ + click_button_if_exists(bus_idx, &Ui::AudioExpandedView::mute_button); +} + +void MainWindow::toggle_locut(unsigned bus_idx) +{ + click_button_if_exists(bus_idx, &Ui::AudioExpandedView::locut_enabled); +} + +void MainWindow::toggle_auto_gain_staging(unsigned bus_idx) +{ + click_button_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_auto_checkbox); +} + +void MainWindow::toggle_compressor(unsigned bus_idx) +{ + click_button_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_enabled); +} + +void MainWindow::clear_peak(unsigned bus_idx) +{ + post_to_main_thread([=]{ + if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) { + global_audio_mixer->reset_peak(bus_idx); + midi_mapper.set_has_peaked(bus_idx, false); + midi_mapper.refresh_lights(); + } + }); +} + +void MainWindow::clear_all_highlights() +{ + post_to_main_thread([this]{ + highlight_locut(false); + highlight_limiter_threshold(false); + highlight_makeup_gain(false); + highlight_toggle_limiter(false); + highlight_toggle_auto_makeup_gain(false); + for (unsigned bus_idx = 0; bus_idx < audio_expanded_views.size(); ++bus_idx) { + highlight_treble(bus_idx, false); + highlight_mid(bus_idx, false); + highlight_bass(bus_idx, false); + highlight_gain(bus_idx, false); + highlight_compressor_threshold(bus_idx, false); + highlight_fader(bus_idx, false); + highlight_mute(bus_idx, false); + highlight_toggle_locut(bus_idx, false); + highlight_toggle_auto_gain_staging(bus_idx, false); + highlight_toggle_compressor(bus_idx, false); + } + }); +} + +void MainWindow::toggle_limiter() +{ + if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) { + ui->limiter_enabled->click(); + } +} + +void MainWindow::toggle_auto_makeup_gain() +{ + if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) { + ui->makeup_gain_auto_checkbox->click(); + } +} + +void MainWindow::highlight_locut(bool highlight) +{ + post_to_main_thread([this, highlight]{ + highlight_control(ui->locut_cutoff_knob, highlight); + highlight_control(ui->locut_cutoff_knob_2, highlight); + }); +} + +void MainWindow::highlight_limiter_threshold(bool highlight) +{ + post_to_main_thread([this, highlight]{ + highlight_control(ui->limiter_threshold_knob, highlight); + highlight_control(ui->limiter_threshold_knob_2, highlight); + }); +} + +void MainWindow::highlight_makeup_gain(bool highlight) +{ + post_to_main_thread([this, highlight]{ + highlight_control(ui->makeup_gain_knob, highlight); + highlight_control(ui->makeup_gain_knob_2, highlight); + }); +} + +void MainWindow::highlight_treble(unsigned bus_idx, bool highlight) +{ + highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::treble_knob, highlight); +} + +void MainWindow::highlight_mid(unsigned bus_idx, bool highlight) +{ + highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::mid_knob, highlight); +} + +void MainWindow::highlight_bass(unsigned bus_idx, bool highlight) +{ + highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::bass_knob, highlight); +} + +void MainWindow::highlight_gain(unsigned bus_idx, bool highlight) +{ + highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_knob, highlight); +} + +void MainWindow::highlight_compressor_threshold(unsigned bus_idx, bool highlight) +{ + highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_threshold_knob, highlight); +} + +void MainWindow::highlight_fader(unsigned bus_idx, bool highlight) +{ + highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::fader, highlight); +} + +void MainWindow::highlight_mute(unsigned bus_idx, bool highlight) +{ + highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::mute_button, highlight, /*is_mute_btton=*/true); +} + +void MainWindow::highlight_toggle_locut(unsigned bus_idx, bool highlight) +{ + highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::locut_enabled, highlight); +} + +void MainWindow::highlight_toggle_auto_gain_staging(unsigned bus_idx, bool highlight) +{ + highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_auto_checkbox, highlight); +} + +void MainWindow::highlight_toggle_compressor(unsigned bus_idx, bool highlight) +{ + highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_enabled, highlight); +} + +void MainWindow::highlight_toggle_limiter(bool highlight) +{ + post_to_main_thread([this, highlight]{ + highlight_control(ui->limiter_enabled, highlight); + highlight_control(ui->limiter_enabled_2, highlight); + }); +} + +void MainWindow::highlight_toggle_auto_makeup_gain(bool highlight) +{ + post_to_main_thread([this, highlight]{ + highlight_control(ui->makeup_gain_auto_checkbox, highlight); + highlight_control(ui->makeup_gain_auto_checkbox_2, highlight); + }); +} + +template +void MainWindow::set_relative_value(T *control, float value) +{ + post_to_main_thread([control, value]{ + control->setValue(lrintf(control->minimum() + value * (control->maximum() - control->minimum()))); + }); +} + +template +void MainWindow::set_relative_value_if_exists(unsigned bus_idx, T *(Ui_AudioExpandedView::*control), float value) +{ + if (global_audio_mixer != nullptr && + global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL && + bus_idx < audio_expanded_views.size()) { + set_relative_value(audio_expanded_views[bus_idx]->*control, value); + } +} + +template +void MainWindow::click_button_if_exists(unsigned bus_idx, T *(Ui_AudioExpandedView::*control)) +{ + post_to_main_thread([this, bus_idx, control]{ + if (global_audio_mixer != nullptr && + global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL && + bus_idx < audio_expanded_views.size()) { + (audio_expanded_views[bus_idx]->*control)->click(); + } + }); +} + +template +void MainWindow::highlight_control(T *control, bool highlight) +{ + if (control == nullptr) { + return; + } + if (global_audio_mixer == nullptr || + global_audio_mixer->get_mapping_mode() != AudioMixer::MappingMode::MULTICHANNEL) { + highlight = false; + } + if (highlight) { + control->setStyleSheet("background: rgb(0,255,0,80)"); + } else { + control->setStyleSheet(""); + } +} + +template +void MainWindow::highlight_mute_control(T *control, bool highlight) +{ + if (control == nullptr) { + return; + } + if (global_audio_mixer == nullptr || + global_audio_mixer->get_mapping_mode() != AudioMixer::MappingMode::MULTICHANNEL) { + highlight = false; + } + if (highlight) { + control->setStyleSheet("QPushButton { background: rgb(0,255,0,80); } QPushButton:checked { background: rgba(255,80,0,140); }"); + } else { + control->setStyleSheet("QPushButton:checked { background: rgba(255,0,0,80); }"); + } +} + +template +void MainWindow::highlight_control_if_exists(unsigned bus_idx, T *(Ui_AudioExpandedView::*control), bool highlight, bool is_mute_button) +{ + post_to_main_thread([this, bus_idx, control, highlight, is_mute_button]{ + if (bus_idx < audio_expanded_views.size()) { + if (is_mute_button) { + highlight_mute_control(audio_expanded_views[bus_idx]->*control, highlight); + } else { + highlight_control(audio_expanded_views[bus_idx]->*control, highlight); + } + } + }); } void MainWindow::set_transition_names(vector transition_names) { - if (transition_names.size() < 1) { + if (transition_names.size() < 1 || transition_names[0].empty()) { transition_btn1->setText(QString("")); } else { - transition_btn1->setText(QString::fromStdString(transition_names[0])); + transition_btn1->setText(QString::fromStdString(transition_names[0] + " (J)")); + ui->transition_btn1->setShortcut(QKeySequence("J")); } - if (transition_names.size() < 2) { + if (transition_names.size() < 2 || transition_names[1].empty()) { transition_btn2->setText(QString("")); } else { - transition_btn2->setText(QString::fromStdString(transition_names[1])); + transition_btn2->setText(QString::fromStdString(transition_names[1] + " (K)")); + ui->transition_btn2->setShortcut(QKeySequence("K")); } - if (transition_names.size() < 3) { + if (transition_names.size() < 3 || transition_names[2].empty()) { transition_btn3->setText(QString("")); } else { - transition_btn3->setText(QString::fromStdString(transition_names[2])); + transition_btn3->setText(QString::fromStdString(transition_names[2] + " (L)")); + ui->transition_btn3->setShortcut(QKeySequence("L")); + } +} + +void MainWindow::update_channel_name(Mixer::Output output, const string &name) +{ + if (output >= Mixer::OUTPUT_INPUT0) { + unsigned channel = output - Mixer::OUTPUT_INPUT0; + previews[channel]->label->setText(name.c_str()); + } +} + +void MainWindow::update_channel_color(Mixer::Output output, const string &color) +{ + if (output >= Mixer::OUTPUT_INPUT0) { + unsigned channel = output - Mixer::OUTPUT_INPUT0; + previews[channel]->frame->setStyleSheet(QString::fromStdString("background-color:" + color)); } } @@ -88,5 +1227,86 @@ void MainWindow::transition_clicked(int transition_number) void MainWindow::channel_clicked(int channel_number) { - global_mixer->channel_clicked(channel_number); + if (current_wb_pick_display == channel_number) { + // The picking was already done from eventFilter(), since we don't get + // the mouse pointer here. + } else { + global_mixer->channel_clicked(channel_number); + } +} + +void MainWindow::wb_button_clicked(int channel_number) +{ + current_wb_pick_display = channel_number; + QApplication::setOverrideCursor(Qt::CrossCursor); +} + +bool MainWindow::eventFilter(QObject *watched, QEvent *event) +{ + if (current_wb_pick_display != -1 && + event->type() == QEvent::MouseButtonRelease && + watched->isWidgetType()) { + QApplication::restoreOverrideCursor(); + if (watched == previews[current_wb_pick_display]->display) { + const QMouseEvent *mouse_event = (QMouseEvent *)event; + set_white_balance(current_wb_pick_display, mouse_event->x(), mouse_event->y()); + } else { + // The user clicked on something else, give up. + // (The click goes through, which might not be ideal, but, yes.) + current_wb_pick_display = -1; + } + } + return false; +} + +namespace { + +double srgb_to_linear(double x) +{ + if (x < 0.04045) { + return x / 12.92; + } else { + return pow((x + 0.055) / 1.055, 2.4); + } +} + +} // namespace + +void MainWindow::set_white_balance(int channel_number, int x, int y) +{ + // Set the white balance to neutral for the grab. It's probably going to + // flicker a bit, but hopefully this display is not live anyway. + global_mixer->set_wb(Mixer::OUTPUT_INPUT0 + channel_number, 0.5, 0.5, 0.5); + previews[channel_number]->display->updateGL(); + QRgb reference_color = previews[channel_number]->display->grabFrameBuffer().pixel(x, y); + + double r = srgb_to_linear(qRed(reference_color) / 255.0); + double g = srgb_to_linear(qGreen(reference_color) / 255.0); + double b = srgb_to_linear(qBlue(reference_color) / 255.0); + global_mixer->set_wb(Mixer::OUTPUT_INPUT0 + channel_number, r, g, b); + previews[channel_number]->display->updateGL(); +} + +void MainWindow::audio_state_changed() +{ + post_to_main_thread([this]{ + InputMapping mapping = global_audio_mixer->get_input_mapping(); + for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) { + const InputMapping::Bus &bus = mapping.buses[bus_index]; + string suffix; + if (bus.device.type == InputSourceType::ALSA_INPUT) { + ALSAPool::Device::State state = global_audio_mixer->get_alsa_card_state(bus.device.index); + if (state == ALSAPool::Device::State::STARTING) { + suffix = " (busy)"; + } else if (state == ALSAPool::Device::State::DEAD) { + suffix = " (dead)"; + } + } + + audio_miniviews[bus_index]->bus_desc_label->setFullText( + QString::fromStdString(bus.name + suffix)); + audio_expanded_views[bus_index]->bus_desc_label->setFullText( + QString::fromStdString(bus.name + suffix)); + } + }); }