#include "mainwindow.h"
-#include "window.h"
-#include <thread>
-#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 "ui_display.h"
+#include "ui_mainwindow.h"
+#include "vumeter.h"
+
+class QResizeEvent;
-#include "ui_mainwindow.cpp"
+using namespace std;
-using std::thread;
+Q_DECLARE_METATYPE(std::vector<std::string>);
+
+MainWindow *global_mainwindow = nullptr;
MainWindow::MainWindow()
+ : ui(new Ui::MainWindow)
{
- Ui::MainWindow *ui = new Ui::MainWindow;
+ global_mainwindow = this;
ui->setupUi(this);
- connect(ui->cut_btn, SIGNAL(clicked()), this, SLOT(cut()));
ui->me_live->set_output(Mixer::OUTPUT_LIVE);
ui->me_preview->set_output(Mixer::OUTPUT_PREVIEW);
- ui->preview1->set_output(Mixer::OUTPUT_INPUT0);
- ui->preview2->set_output(Mixer::OUTPUT_INPUT1);
+
+ // Hook up the transition buttons.
+ // TODO: Make them dynamic.
+ connect(ui->transition_btn1, &QPushButton::clicked, std::bind(&MainWindow::transition_clicked, this, 0));
+ connect(ui->transition_btn2, &QPushButton::clicked, std::bind(&MainWindow::transition_clicked, this, 1));
+ connect(ui->transition_btn3, &QPushButton::clicked, std::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, &GLWidget::transition_names_updated, this, &MainWindow::set_transition_names);
+}
+
+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, std::bind(&MainWindow::channel_clicked, this, i));
+
+ // Hook up the keyboard key.
+ QShortcut *shortcut = new QShortcut(QKeySequence(Qt::Key_1 + i), this);
+ connect(shortcut, &QShortcut::activated, std::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, std::bind(&MainWindow::wb_button_clicked, this, i));
+ }
+
+ mixer->set_audio_level_callback([this](float level_lufs, float peak_db, float global_level_lufs, float range_low_lufs, float range_high_lufs){
+ 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("");
+ }
+ });
+}
+
+void MainWindow::relayout()
+{
+ int width = size().width();
+ int height = size().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();
+
+ // TODO: Scale the widths when we need to do this.
+ if (me_height / double(height) > 0.8) {
+ me_height = height * 0.8;
+ }
+
+ // 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);
+
+ 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));
+
+ // Set the widths for the previews.
+ double preview_width = preview_height * 16.0 / 9.0; // FIXME: spacing?
+
+ for (unsigned i = 0; i < previews.size(); ++i) {
+ ui->preview_displays->setStretch(i, lrintf(preview_width));
+ }
+
+ // The spacer.
+ ui->preview_displays->setStretch(previews.size(), lrintf(width - previews.size() * 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::transition_clicked(int transition_number)
+{
+ global_mixer->transition_clicked(transition_number);
+}
+
+void MainWindow::channel_clicked(int 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::cut()
+void MainWindow::wb_button_clicked(int channel_number)
{
- global_mixer->transition_clicked(0, 0.0f); // FIXME: real values
+ 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();
}