main.cpp Example File
multimedia/video/qmlvideofx/main.cpp
#include <QtCore/QStandardPaths>
#include <QtCore/QStringList>
#include <QtQml/QQmlContext>
#include <QtGui/QGuiApplication>
#include <QtQuick/QQuickItem>
#include <QtQuick/QQuickView>
#include "filereader.h"
#include "trace.h"
#ifdef PERFORMANCEMONITOR_SUPPORT
#include "performancemonitordeclarative.h"
#endif
int main(int argc, char *argv[])
{
QGuiApplication app(argc, argv);
#ifdef PERFORMANCEMONITOR_SUPPORT
PerformanceMonitor::qmlRegisterTypes();
#endif
QUrl fileName;
qreal volume = 0.5;
QStringList args = app.arguments();
#ifdef PERFORMANCEMONITOR_SUPPORT
PerformanceMonitor::State performanceMonitorState;
#endif
for (int i = 1; i < args.size(); ++i) {
const QByteArray arg = args.at(i).toUtf8();
if (arg.startsWith('-')) {
if ("-volume" == arg) {
if (i + 1 < args.size())
volume = 0.01 * args.at(++i).toInt();
else
qtTrace() << "Option \"-volume\" takes a value";
}
#ifdef PERFORMANCEMONITOR_SUPPORT
else if (performanceMonitorState.parseArgument(arg)) {
}
#endif
else {
qtTrace() << "Option" << arg << "ignored";
}
} else {
if (fileName.isEmpty())
fileName = QUrl::fromLocalFile(arg);
else
qtTrace() << "Argument" << arg << "ignored";
}
}
QQuickView viewer;
viewer.setSource(QUrl(QLatin1String("qrc:///qml/qmlvideofx/Main.qml")));
QQuickItem *rootObject = viewer.rootObject();
rootObject->setProperty("fileName", fileName);
viewer.rootObject()->setProperty("volume", volume);
#ifdef PERFORMANCEMONITOR_SUPPORT
if (performanceMonitorState.valid) {
rootObject->setProperty("perfMonitorsLogging", performanceMonitorState.logging);
rootObject->setProperty("perfMonitorsVisible", performanceMonitorState.visible);
}
QObject::connect(&viewer, SIGNAL(afterRendering()),
rootObject, SLOT(qmlFramePainted()));
#endif
FileReader fileReader;
viewer.rootContext()->setContextProperty("fileReader", &fileReader);
const QUrl appPath(QUrl::fromLocalFile(app.applicationDirPath()));
const QStringList picturesLocation = QStandardPaths::standardLocations(QStandardPaths::PicturesLocation);
const QUrl imagePath = picturesLocation.isEmpty() ? appPath : QUrl::fromLocalFile(picturesLocation.first());
viewer.rootContext()->setContextProperty("imagePath", imagePath);
const QStringList moviesLocation = QStandardPaths::standardLocations(QStandardPaths::MoviesLocation);
const QUrl videoPath = moviesLocation.isEmpty() ? appPath : QUrl::fromLocalFile(moviesLocation.first());
viewer.rootContext()->setContextProperty("videoPath", videoPath);
viewer.setTitle("qmlvideofx");
viewer.setFlags(Qt::Window | Qt::WindowSystemMenuHint | Qt::WindowTitleHint |
Qt::WindowMinMaxButtonsHint | Qt::WindowCloseButtonHint);
viewer.setMinimumSize(QSize(1280, 720));
viewer.setResizeMode(QQuickView::SizeRootObjectToView);
viewer.show();
QMetaObject::invokeMethod(viewer.rootObject(), "init", Qt::QueuedConnection);
return app.exec();
}