X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=mainwindow.cpp;h=b78751f4de2d933d514d74b5cbbd209b12311b89;hb=d8d3977251e2f5aa440bc78ec98707cc19a6fa55;hp=a3736709531c451b28c6bc7443774c4fb8795606;hpb=76234c271da9e60f08fd51fa9b0ec061d5826611;p=nageru diff --git a/mainwindow.cpp b/mainwindow.cpp index a373670..b78751f 100644 --- a/mainwindow.cpp +++ b/mainwindow.cpp @@ -1,51 +1,284 @@ #include "mainwindow.h" -#include "window.h" -#include -#include -#include "context.h" +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "glwidget.h" +#include "lrameter.h" #include "mixer.h" +#include "post_to_main_thread.h" +#include "ui_display.h" +#include "ui_mainwindow.h" +#include "vumeter.h" + +class QResizeEvent; -#include "ui_mainwindow.cpp" +using namespace std; +using namespace std::placeholders; -using std::thread; +Q_DECLARE_METATYPE(std::vector); + +MainWindow *global_mainwindow = nullptr; MainWindow::MainWindow() + : ui(new Ui::MainWindow) { - Ui::MainWindow *ui = new Ui::MainWindow; + global_mainwindow = this; ui->setupUi(this); 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); - - // 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))); - } + // The menu. + connect(ui->cut_action, &QAction::triggered, this, &MainWindow::cut_triggered); + connect(ui->exit_action, &QAction::triggered, this, &MainWindow::exit_triggered); // Hook up the transition buttons. // 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->me_preview, &GLWidget::transition_names_updated, this, &MainWindow::set_transition_names); + qRegisterMetaType("Mixer::Output"); +} + +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 changed. + connect(ui_display->display, &GLWidget::resolution_updated, this, &MainWindow::update_channel_name); + + // 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)); + } + + char buf[256]; + snprintf(buf, sizeof(buf), "%.1f dB", mixer->get_limiter_threshold_dbfs()); + ui->limiter_threshold_db_display->setText(buf); + snprintf(buf, sizeof(buf), "%.1f dB", mixer->get_compressor_threshold_dbfs()); + ui->compressor_threshold_db_display->setText(buf); + + connect(ui->locut_cutoff_knob, &QDial::valueChanged, this, &MainWindow::cutoff_knob_changed); + cutoff_knob_changed(ui->locut_cutoff_knob->value()); + + connect(ui->limiter_threshold_knob, &QDial::valueChanged, this, &MainWindow::limiter_threshold_knob_changed); + connect(ui->compressor_threshold_knob, &QDial::valueChanged, this, &MainWindow::compressor_threshold_knob_changed); + connect(ui->limiter_enabled, &QCheckBox::stateChanged, [this](int state){ + global_mixer->set_limiter_enabled(state == Qt::Checked); + }); + connect(ui->compressor_enabled, &QCheckBox::stateChanged, [this](int state){ + global_mixer->set_compressor_enabled(state == Qt::Checked); + }); + connect(ui->reset_meters_button, &QPushButton::clicked, this, &MainWindow::reset_meters_button_clicked); + mixer->set_audio_level_callback(bind(&MainWindow::audio_level_callback, this, _1, _2, _3, _4, _5, _6)); +} + +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::exit_triggered() +{ + close(); +} + +void MainWindow::cutoff_knob_changed(int value) +{ + float octaves = value * 0.1f; + float cutoff_hz = 20.0 * pow(2.0, octaves); + global_mixer->set_locut_cutoff(cutoff_hz); + + char buf[256]; + snprintf(buf, sizeof(buf), "%ld Hz", lrintf(cutoff_hz)); + ui->locut_cutoff_display->setText(buf); +} + +void MainWindow::limiter_threshold_knob_changed(int value) +{ + float threshold_dbfs = value * 0.1f; + global_mixer->set_limiter_threshold_dbfs(threshold_dbfs); + + char buf[256]; + snprintf(buf, sizeof(buf), "%.1f dB", threshold_dbfs); + ui->limiter_threshold_db_display->setText(buf); +} + +void MainWindow::compressor_threshold_knob_changed(int value) +{ + float threshold_dbfs = value * 0.1f; + global_mixer->set_compressor_threshold_dbfs(threshold_dbfs); + + char buf[256]; + snprintf(buf, sizeof(buf), "%.1f dB", threshold_dbfs); + ui->compressor_threshold_db_display->setText(buf); +} + +void MainWindow::reset_meters_button_clicked() +{ + global_mixer->reset_meters(); + ui->peak_display->setText("-inf"); + ui->peak_display->setStyleSheet(""); +} + +void MainWindow::audio_level_callback(float level_lufs, float peak_db, float global_level_lufs, float range_low_lufs, float range_high_lufs, float auto_gain_staging_db) +{ + timeval now; + gettimeofday(&now, nullptr); + + // The meters are somewhat inefficient to update. Only update them + // every 100 ms or so (we get updates every 5–20 ms). + double last_update_age = now.tv_sec - last_audio_level_callback.tv_sec + + 1e-6 * (now.tv_usec - last_audio_level_callback.tv_usec); + if (last_update_age < 0.100) { + return; + } + last_audio_level_callback = now; + + post_to_main_thread([=]() { + ui->vu_meter->set_level(level_lufs); + ui->lra_meter->set_levels(global_level_lufs, range_low_lufs, range_high_lufs); + + char buf[256]; + snprintf(buf, sizeof(buf), "%.1f", peak_db); + ui->peak_display->setText(buf); + if (peak_db > -0.1f) { // -0.1 dBFS is EBU peak limit. + ui->peak_display->setStyleSheet("QLabel { background-color: red; color: white; }"); + } else { + ui->peak_display->setStyleSheet(""); + } + + ui->gainstaging_knob->setValue(lrintf(auto_gain_staging_db * 10.0f)); + snprintf(buf, sizeof(buf), "%+.1f dB", auto_gain_staging_db); + ui->gainstaging_db_display->setText(buf); + }); +} + +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(); + + double audiostrip_height = ui->audiostrip->geometry().height(); + remaining_height -= audiostrip_height + ui->vertical_layout->spacing(); + + // The previews will be constrained by the remaining height, and the width. + double preview_label_height = previews[0]->title_bar->geometry().height() + ui->preview_displays->spacing(); // Wrong spacing? + int preview_total_width = ui->preview_displays->geometry().width(); + 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, 0); // Don't stretch the audiostrip. + ui->vertical_layout->setStretch(2, max(1, remaining_height)); // Spacer. + ui->vertical_layout->setStretch(3, lrintf(preview_height + preview_label_height)); + + // Set the widths for the previews. + double preview_width = preview_height * 16.0 / 9.0; + double remaining_preview_width = preview_total_width; + + for (unsigned i = 0; i < previews.size(); ++i) { + ui->preview_displays->setStretch(i, lrintf(preview_width)); + remaining_preview_width -= preview_width + ui->preview_displays->spacing(); + } + + // The preview horizontal spacer. + ui->preview_displays->setStretch(previews.size(), lrintf(remaining_preview_width)); +} + +void MainWindow::set_transition_names(vector transition_names) +{ + if (transition_names.size() < 1) { + transition_btn1->setText(QString("")); + } else { + transition_btn1->setText(QString::fromStdString(transition_names[0])); + } + if (transition_names.size() < 2) { + transition_btn2->setText(QString("")); + } else { + transition_btn2->setText(QString::fromStdString(transition_names[1])); + } + if (transition_names.size() < 3) { + transition_btn3->setText(QString("")); + } else { + transition_btn3->setText(QString::fromStdString(transition_names[2])); + } +} + +void MainWindow::update_channel_name(Mixer::Output output) +{ + if (output >= Mixer::OUTPUT_INPUT0) { + unsigned channel = output - Mixer::OUTPUT_INPUT0; + previews[channel]->label->setText(global_mixer->get_channel_name(output).c_str()); } } @@ -56,5 +289,62 @@ 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(); }