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https://github.com/wang-bin/QtAV.git
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wang-bin
105 lines
4.0 KiB
C++
105 lines
4.0 KiB
C++
#include <cmath>
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#include <QtCore/QFile>
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#include <QtGui/QGuiApplication>
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#include <QQuickItem>
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#include <QtQml/QQmlEngine>
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#include <QtQml/QQmlContext>
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#include <QtGui/QScreen>
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#include "qtquick2applicationviewer.h"
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#include "../common/ScreenSaver.h"
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#include "../common/common.h"
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int main(int argc, char *argv[])
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{
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QOptions options(get_common_options());
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options.add("QMLPlayer options")
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("scale", 1.0, "scale of graphics context. 0: auto")
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;
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options.parse(argc, argv);
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if (options.value("help").toBool()) {
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options.print();
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return 0;
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}
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QGuiApplication app(argc, argv);
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set_opengl_backend(options.option("gl").value().toString(), app.arguments().first());
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load_qm(QStringList() << "QMLPlayer", options.value("language").toString());
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QtQuick2ApplicationViewer viewer;
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viewer.engine()->rootContext()->setContextProperty("PlayerConfig", &Config::instance());
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qDebug(">>>>>>>>devicePixelRatio: %f", qApp->devicePixelRatio());
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QScreen *sc = app.primaryScreen();
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qDebug() << "dpi phy: " << sc->physicalDotsPerInch() << ", logical: " << sc->logicalDotsPerInch() << ", dpr: " << sc->devicePixelRatio()
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<< "; vis rect:" << sc->virtualGeometry();
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// define a global var for js and qml
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viewer.engine()->rootContext()->setContextProperty("screenPixelDensity", qApp->primaryScreen()->physicalDotsPerInch()*qApp->primaryScreen()->devicePixelRatio());
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qreal r = sc->physicalDotsPerInch()/sc->logicalDotsPerInch();
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if (std::isinf(r) || std::isnan(r))
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#if defined(Q_OS_ANDROID)
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r = 2.0;
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#else
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r = 1.0;
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#endif
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float sr = options.value("scale").toFloat();
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#if defined(Q_OS_ANDROID)
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sr = r;
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#endif
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if (qFuzzyIsNull(sr))
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sr = r;
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viewer.engine()->rootContext()->setContextProperty("scaleRatio", sr);
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QString qml = "qml/QMLPlayer/main.qml";
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if (QFile(qApp->applicationDirPath() + "/" + qml).exists())
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qml.prepend(qApp->applicationDirPath() + "/");
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else
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qml.prepend("qrc:///");
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viewer.setMainQmlFile(qml);
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viewer.showExpanded();
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QOption op = options.option("width");
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if (op.isSet())
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viewer.setWidth(op.value().toInt());
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op = options.option("height");
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if (op.isSet())
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viewer.setHeight(op.value().toInt());
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op = options.option("x");
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if (op.isSet())
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viewer.setX(op.value().toInt());
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op = options.option("y");
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if (op.isSet())
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viewer.setY(op.value().toInt());
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if (options.value("fullscreen").toBool())
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viewer.showFullScreen();
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viewer.setTitle("QMLPlayer based on QtAV. wbsecg1@gmail.com");
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/*
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* find root item, then root.init(argv). so we can deal with argv in qml
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*/
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#if 1
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QString json = app.arguments().join("\",\"");
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json.prepend("[\"").append("\"]");
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json.replace("\\", "/"); //FIXME
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QMetaObject::invokeMethod(viewer.rootObject(), "init", Q_ARG(QVariant, json));
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//#else
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QObject *player = viewer.rootObject()->findChild<QObject*>("player");
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if (player) {
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AppEventFilter *ae = new AppEventFilter(player, player);
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qApp->installEventFilter(ae);
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}
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if (app.arguments().size() > 1) {
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QString file = options.value("file").toString();
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if (file.isEmpty()) {
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if (argc > 1 && !app.arguments().last().startsWith('-') && !app.arguments().at(argc-2).startsWith('-'))
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file = app.arguments().last();
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}
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if (player && !file.isEmpty()) {
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if (QFile(file).exists())
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file.prepend("file:"); //qml use url and will add qrc: if no scheme
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file.replace("\\", "/"); //qurl
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QMetaObject::invokeMethod(player, "play", Q_ARG(QUrl, QUrl(file)));
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}
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}
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#endif
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QObject::connect(viewer.rootObject(), SIGNAL(requestFullScreen()), &viewer, SLOT(showFullScreen()));
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QObject::connect(viewer.rootObject(), SIGNAL(requestNormalSize()), &viewer, SLOT(showNormal()));
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ScreenSaver::instance().disable(); //restore in dtor
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return app.exec();
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}
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