1 files changed, 148 insertions, 0 deletions
diff --git a/examples/multimedia/videographicsitem/videoplayer.cpp b/examples/multimedia/videographicsitem/videoplayer.cpp
new file mode 100644
index 000000000..744a35469
--- /dev/null
+++ b/examples/multimedia/videographicsitem/videoplayer.cpp
@@ -0,0 +1,148 @@
+// Copyright (C) 2017 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "videoplayer.h"
+
+#include <QBoxLayout>
+#include <QDir>
+#include <QFileDialog>
+#include <QGraphicsScene>
+#include <QGraphicsVideoItem>
+#include <QGraphicsView>
+#include <QHBoxLayout>
+#include <QPushButton>
+#include <QScreen>
+#include <QSlider>
+#include <QStandardPaths>
+#include <QStyle>
+#include <QVBoxLayout>
+#include <QWidget>
+
+VideoPlayer::VideoPlayer(QWidget *parent) : QWidget(parent)
+{
+    m_mediaPlayer = new QMediaPlayer(this);
+    const QSize screenGeometry = screen()->availableSize();
+    m_videoItem = new QGraphicsVideoItem;
+    m_videoItem->setSize(QSizeF(screenGeometry.width() / 3, screenGeometry.height() / 2));
+
+    QGraphicsScene *scene = new QGraphicsScene(this);
+    QGraphicsView *graphicsView = new QGraphicsView(scene);
+
+    scene->addItem(m_videoItem);
+
+    QSlider *rotateSlider = new QSlider(Qt::Horizontal);
+    rotateSlider->setToolTip(tr("Rotate Video"));
+    rotateSlider->setRange(-180, 180);
+    rotateSlider->setValue(0);
+
+    connect(rotateSlider, &QAbstractSlider::valueChanged, this, &VideoPlayer::rotateVideo);
+
+    QAbstractButton *openButton = new QPushButton(tr("Open..."));
+    connect(openButton, &QAbstractButton::clicked, this, &VideoPlayer::openFile);
+
+    m_playButton = new QPushButton;
+    m_playButton->setEnabled(false);
+    m_playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPlay));
+
+    connect(m_playButton, &QAbstractButton::clicked, this, &VideoPlayer::play);
+
+    m_positionSlider = new QSlider(Qt::Horizontal);
+    m_positionSlider->setRange(0, 0);
+
+    connect(m_positionSlider, &QAbstractSlider::sliderMoved, this, &VideoPlayer::setPosition);
+
+    QBoxLayout *controlLayout = new QHBoxLayout;
+    controlLayout->setContentsMargins(0, 0, 0, 0);
+    controlLayout->addWidget(openButton);
+    controlLayout->addWidget(m_playButton);
+    controlLayout->addWidget(m_positionSlider);
+
+    QBoxLayout *layout = new QVBoxLayout(this);
+    layout->addWidget(graphicsView);
+    layout->addWidget(rotateSlider);
+    layout->addLayout(controlLayout);
+
+    m_mediaPlayer->setVideoOutput(m_videoItem);
+    connect(m_mediaPlayer, &QMediaPlayer::playbackStateChanged, this,
+            &VideoPlayer::mediaStateChanged);
+    connect(m_mediaPlayer, &QMediaPlayer::positionChanged, this, &VideoPlayer::positionChanged);
+    connect(m_mediaPlayer, &QMediaPlayer::durationChanged, this, &VideoPlayer::durationChanged);
+}
+
+VideoPlayer::~VideoPlayer() { }
+
+QSize VideoPlayer::sizeHint() const
+{
+    return (m_videoItem->size() * qreal(3) / qreal(2)).toSize();
+}
+
+bool VideoPlayer::isPlayerAvailable() const
+{
+    return m_mediaPlayer->isAvailable();
+}
+
+void VideoPlayer::openFile()
+{
+    QFileDialog fileDialog(this);
+    fileDialog.setAcceptMode(QFileDialog::AcceptOpen);
+    fileDialog.setWindowTitle(tr("Open Movie"));
+    fileDialog.setDirectory(QStandardPaths::standardLocations(QStandardPaths::MoviesLocation)
+                                    .value(0, QDir::homePath()));
+    if (fileDialog.exec() == QDialog::Accepted)
+        load(fileDialog.selectedUrls().constFirst());
+}
+
+void VideoPlayer::load(const QUrl &url)
+{
+    m_mediaPlayer->setSource(url);
+    m_playButton->setEnabled(true);
+}
+
+void VideoPlayer::play()
+{
+    switch (m_mediaPlayer->playbackState()) {
+    case QMediaPlayer::PlayingState:
+        m_mediaPlayer->pause();
+        break;
+    default:
+        m_mediaPlayer->play();
+        break;
+    }
+}
+
+void VideoPlayer::mediaStateChanged(QMediaPlayer::PlaybackState state)
+{
+    switch (state) {
+    case QMediaPlayer::PlayingState:
+        m_playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPause));
+        break;
+    default:
+        m_playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPlay));
+        break;
+    }
+}
+
+void VideoPlayer::positionChanged(qint64 position)
+{
+    m_positionSlider->setValue(position);
+}
+
+void VideoPlayer::durationChanged(qint64 duration)
+{
+    m_positionSlider->setRange(0, duration);
+}
+
+void VideoPlayer::setPosition(int position)
+{
+    m_mediaPlayer->setPosition(position);
+}
+
+void VideoPlayer::rotateVideo(int angle)
+{
+    // rotate around the center of video element
+    qreal x = m_videoItem->boundingRect().width() / 2.0;
+    qreal y = m_videoItem->boundingRect().height() / 2.0;
+    m_videoItem->setTransform(QTransform().translate(x, y).rotate(angle).translate(-x, -y));
+}
+
+#include "moc_videoplayer.cpp"