X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=mainwindow.cpp;h=8cd0abdb2a9412dbc0fb7915341712be445ad7ce;hb=65d716be70e6295628dfa5bb0a72f3429b9696ba;hp=eacda1cf5f12b19fbda76546f5642a92a3abb682;hpb=390521f709026cb1acdbde84ef77d1490da1ffa2;p=nageru diff --git a/mainwindow.cpp b/mainwindow.cpp index eacda1c..8cd0abd 100644 --- a/mainwindow.cpp +++ b/mainwindow.cpp @@ -12,13 +12,13 @@ #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" @@ -26,6 +26,7 @@ class QResizeEvent; using namespace std; +using namespace std::placeholders; Q_DECLARE_METATYPE(std::vector); @@ -40,26 +41,23 @@ MainWindow::MainWindow() ui->me_live->set_output(Mixer::OUTPUT_LIVE); ui->me_preview->set_output(Mixer::OUTPUT_PREVIEW); + // 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, SIGNAL(transition_names_updated(std::vector)), - this, SLOT(set_transition_names(std::vector))); + qRegisterMetaType>("std::vector"); + connect(ui->me_preview, &GLWidget::transition_names_updated, this, &MainWindow::set_transition_names); + qRegisterMetaType("Mixer::Output"); } void MainWindow::resizeEvent(QResizeEvent* event) @@ -75,7 +73,6 @@ void MainWindow::mixer_created(Mixer *mixer) { // Make the previews. unsigned num_previews = mixer->get_num_channels(); - QSignalMapper *mapper = new QSignalMapper(this); for (unsigned i = 0; i < num_previews; ++i) { Mixer::Output output = Mixer::Output(Mixer::OUTPUT_INPUT0 + i); @@ -84,24 +81,134 @@ void MainWindow::mixer_created(Mixer *mixer) Ui::Display *ui_display = new Ui::Display; ui_display->setupUi(preview); ui_display->label->setText(mixer->get_channel_name(output).c_str()); - ui_display->wb_button->setVisible(mixer->get_supports_set_wb(output)); ui_display->display->set_output(output); ui->preview_displays->insertWidget(previews.size(), preview, 1); previews.push_back(ui_display); // Hook up the click. - mapper->setMapping(ui_display->display, i); - connect(ui_display->display, SIGNAL(clicked()), mapper, SLOT(map())); + 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); - mapper->setMapping(shortcut, i); - connect(shortcut, SIGNAL(activated()), mapper, SLOT(map())); + 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)); } - connect(mapper, SIGNAL(mapped(int)), this, SLOT(channel_clicked(int))); + 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()); + + // Not QDial::valueChanged, as we call setValue() all the time. + connect(ui->gainstaging_knob, &QAbstractSlider::sliderMoved, this, &MainWindow::gain_staging_knob_changed); + connect(ui->gainstaging_auto_checkbox, &QCheckBox::stateChanged, [this](int state){ + global_mixer->set_gain_staging_auto(state == Qt::Checked); + }); + + 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::gain_staging_knob_changed(int value) +{ + ui->gainstaging_auto_checkbox->setCheckState(Qt::Unchecked); + + float gain_db = value * 0.1f; + global_mixer->set_gain_staging_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_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 gain_staging_db) +{ + timeval now; + gettimeofday(&now, nullptr); - mixer->set_audio_level_callback([this](float level_lufs, float peak_db, float global_level_lufs, float range_low_lufs, float range_high_lufs){ + // 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); @@ -113,42 +220,55 @@ void MainWindow::mixer_created(Mixer *mixer) } else { ui->peak_display->setStyleSheet(""); } + + ui->gainstaging_knob->setValue(lrintf(gain_staging_db * 10.0f)); + snprintf(buf, sizeof(buf), "%+.1f dB", gain_staging_db); + ui->gainstaging_db_display->setText(buf); }); } void MainWindow::relayout() { - int width = size().width(); - int height = size().height(); + 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(); + 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. - // FIXME: spacing? - double preview_label_height = previews[0]->label->height(); - double preview_height = std::min(height - me_height - preview_label_height, (width / double(previews.size())) * 9.0 / 16.0); + 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, std::max(1, lrintf(height - me_height - preview_height))); - ui->vertical_layout->setStretch(2, lrintf(preview_height + preview_label_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; // FIXME: spacing? + 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 spacer. - ui->preview_displays->setStretch(previews.size(), lrintf(width - previews.size() * preview_width)); + // The preview horizontal spacer. + ui->preview_displays->setStretch(previews.size(), lrintf(remaining_preview_width)); } void MainWindow::set_transition_names(vector transition_names) @@ -170,6 +290,14 @@ void MainWindow::set_transition_names(vector transition_names) } } +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()); + } +} + void MainWindow::transition_clicked(int transition_number) { global_mixer->transition_clicked(transition_number); @@ -177,5 +305,62 @@ 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(); }