#include "mainwindow.h"
-#include "window.h"
-#include <thread>
-#include <QSignalMapper>
-#include "context.h"
+#include <math.h>
+#include <stdio.h>
+#include <algorithm>
+#include <string>
+#include <vector>
+#include <QBoxLayout>
+#include <QKeySequence>
+#include <QLabel>
+#include <QMetaType>
+#include <QPushButton>
+#include <QResizeEvent>
+#include <QShortcut>
+#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;
-#include "ui_mainwindow.cpp"
+Q_DECLARE_METATYPE(std::vector<std::string>);
-using std::thread;
+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 transition buttons.
+ // TODO: Make them dynamic.
+ 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<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)
+{
+ QMainWindow::resizeEvent(event);
- // 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)));
+ // 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));
}
- // 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)));
+ 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::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<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;
+ 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<string> 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());
}
}
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