1/****************************************************************************
2**
3** Copyright (C) 2016 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the Qt Mobility Components.
7**
8** $QT_BEGIN_LICENSE:BSD$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and The Qt Company. For licensing terms
14** and conditions see https://www.qt.io/terms-conditions. For further
15** information use the contact form at https://www.qt.io/contact-us.
16**
17** BSD License Usage
18** Alternatively, you may use this file under the terms of the BSD license
19** as follows:
20**
21** "Redistribution and use in source and binary forms, with or without
22** modification, are permitted provided that the following conditions are
23** met:
24** * Redistributions of source code must retain the above copyright
25** notice, this list of conditions and the following disclaimer.
26** * Redistributions in binary form must reproduce the above copyright
27** notice, this list of conditions and the following disclaimer in
28** the documentation and/or other materials provided with the
29** distribution.
30** * Neither the name of The Qt Company Ltd nor the names of its
31** contributors may be used to endorse or promote products derived
32** from this software without specific prior written permission.
33**
34**
35** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
36** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
37** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
38** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
39** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
41** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
42** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
43** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
44** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
45** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
46**
47** $QT_END_LICENSE$
48**
49****************************************************************************/
50
51#include <QtCore/QStandardPaths>
52#include <QtCore/QStringList>
53#include <QtQml/QQmlContext>
54#include <QtGui/QGuiApplication>
55#include <QtQuick/QQuickItem>
56#include <QtQuick/QQuickView>
57#include "filereader.h"
58#include "trace.h"
59
60#ifdef PERFORMANCEMONITOR_SUPPORT
61#include "performancemonitordeclarative.h"
62#endif
63
64#ifdef REQUEST_PERMISSIONS_ON_ANDROID
65#include <QtAndroid>
66
67bool requestStoragePermission() {
68 using namespace QtAndroid;
69
70 QString permission = QStringLiteral("android.permission.WRITE_EXTERNAL_STORAGE");
71 const QHash<QString, PermissionResult> results = requestPermissionsSync(QStringList({permission}));
72 if (!results.contains(permission) || results[permission] == PermissionResult::Denied) {
73 qWarning() << "Couldn't get permission: " << permission;
74 return false;
75 }
76
77 return true;
78}
79#endif
80
81int main(int argc, char *argv[])
82{
83 QGuiApplication app(argc, argv);
84
85#ifdef PERFORMANCEMONITOR_SUPPORT
86 PerformanceMonitor::qmlRegisterTypes();
87#endif
88#ifdef REQUEST_PERMISSIONS_ON_ANDROID
89 if (!requestStoragePermission())
90 return -1;
91#endif
92
93 QUrl fileName;
94 qreal volume = 0.5;
95 QStringList args = app.arguments();
96#ifdef PERFORMANCEMONITOR_SUPPORT
97 PerformanceMonitor::State performanceMonitorState;
98#endif
99 for (int i = 1; i < args.size(); ++i) {
100 const QByteArray arg = args.at(i).toUtf8();
101 if (arg.startsWith(c: '-')) {
102 if ("-volume" == arg) {
103 if (i + 1 < args.size())
104 volume = 0.01 * args.at(i: ++i).toInt();
105 else
106 qtTrace() << "Option \"-volume\" takes a value";
107 }
108#ifdef PERFORMANCEMONITOR_SUPPORT
109 else if (performanceMonitorState.parseArgument(arg)) {
110 // Do nothing
111 }
112#endif
113 else {
114 qtTrace() << "Option" << arg << "ignored";
115 }
116 } else {
117 if (fileName.isEmpty())
118 fileName = QUrl::fromLocalFile(localfile: arg);
119 else
120 qtTrace() << "Argument" << arg << "ignored";
121 }
122 }
123
124 QQuickView viewer;
125
126 viewer.setSource(QUrl(QLatin1String("qrc:///qml/qmlvideofx/Main.qml")));
127 QQuickItem *rootObject = viewer.rootObject();
128 rootObject->setProperty(name: "fileName", value: fileName);
129 viewer.rootObject()->setProperty(name: "volume", value: volume);
130
131#ifdef PERFORMANCEMONITOR_SUPPORT
132 if (performanceMonitorState.valid) {
133 rootObject->setProperty(name: "perfMonitorsLogging", value: performanceMonitorState.logging);
134 rootObject->setProperty(name: "perfMonitorsVisible", value: performanceMonitorState.visible);
135 }
136 QObject::connect(sender: &viewer, SIGNAL(afterRendering()),
137 receiver: rootObject, SLOT(qmlFramePainted()));
138#endif
139
140 FileReader fileReader;
141 viewer.rootContext()->setContextProperty("fileReader", &fileReader);
142
143 const QUrl appPath(QUrl::fromLocalFile(localfile: app.applicationDirPath()));
144 const QStringList picturesLocation = QStandardPaths::standardLocations(type: QStandardPaths::PicturesLocation);
145 const QUrl imagePath = picturesLocation.isEmpty() ? appPath : QUrl::fromLocalFile(localfile: picturesLocation.first());
146 viewer.rootContext()->setContextProperty("imagePath", imagePath);
147
148 const QStringList moviesLocation = QStandardPaths::standardLocations(type: QStandardPaths::MoviesLocation);
149 const QUrl videoPath = moviesLocation.isEmpty() ? appPath : QUrl::fromLocalFile(localfile: moviesLocation.first());
150 viewer.rootContext()->setContextProperty("videoPath", videoPath);
151
152 viewer.setTitle("qmlvideofx");
153 viewer.setFlags(Qt::Window | Qt::WindowSystemMenuHint | Qt::WindowTitleHint |
154 Qt::WindowMinMaxButtonsHint | Qt::WindowCloseButtonHint);
155 viewer.setMinimumSize(QSize(1280, 720));
156 viewer.setResizeMode(QQuickView::SizeRootObjectToView);
157
158 viewer.show();
159
160 // Delay invocation of init until the event loop has started, to work around
161 // a GL context issue on Harmattan: without this, we get the following error
162 // when the first ShaderEffectItem is created:
163 // "QGLShaderProgram::addShader: Program and shader are not associated with same context"
164 QMetaObject::invokeMethod(obj: viewer.rootObject(), member: "init", type: Qt::QueuedConnection);
165
166 return app.exec();
167}
168
169

source code of qtmultimedia/examples/multimedia/video/qmlvideofx/main.cpp