#include <QPushButton>
#include <QResizeEvent>
#include <QShortcut>
-#include <QSignalMapper>
#include <QSize>
#include <QString>
#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;
using namespace std;
+using namespace std::placeholders;
Q_DECLARE_METATYPE(std::vector<std::string>);
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<std::string>>("std::vector<std::string>");
- connect(ui->me_preview, SIGNAL(transition_names_updated(std::vector<std::string>)),
- this, SLOT(set_transition_names(std::vector<std::string>)));
+ qRegisterMetaType<vector<string>>("std::vector<std::string>");
+ connect(ui->me_preview, &GLWidget::transition_names_updated, this, &MainWindow::set_transition_names);
+ qRegisterMetaType<Mixer::Output>("Mixer::Output");
}
void MainWindow::resizeEvent(QResizeEvent* event)
{
// 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);
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);
} 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<int>(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<int>(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<string> 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);
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();
}
projects / nageru / blobdiff