1 files changed, 137 insertions, 0 deletions
diff --git a/examples/multimedia/videowidget/videoplayer.cpp b/examples/multimedia/videowidget/videoplayer.cpp
new file mode 100644
index 000000000..1a778d2fb
--- /dev/null
+++ b/examples/multimedia/videowidget/videoplayer.cpp
@@ -0,0 +1,137 @@
+// Copyright (C) 2017 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "videoplayer.h"
+
+#include <QBoxLayout>
+#include <QFileDialog>
+#include <QHBoxLayout>
+#include <QLabel>
+#include <QMediaPlayer>
+#include <QPushButton>
+#include <QSizePolicy>
+#include <QSlider>
+#include <QStandardPaths>
+#include <QString>
+#include <QStyle>
+#include <QVideoWidget>
+
+VideoPlayer::VideoPlayer(QWidget *parent) : QWidget(parent)
+{
+    m_mediaPlayer = new QMediaPlayer(this);
+    QVideoWidget *videoWidget = new QVideoWidget;
+
+    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);
+
+    m_errorLabel = new QLabel;
+    m_errorLabel->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Maximum);
+
+    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;
+    layout->addWidget(videoWidget);
+    layout->addLayout(controlLayout);
+    layout->addWidget(m_errorLabel);
+
+    setLayout(layout);
+
+    m_mediaPlayer->setVideoOutput(videoWidget);
+    connect(m_mediaPlayer, &QMediaPlayer::playbackStateChanged, this,
+            &VideoPlayer::mediaStateChanged);
+    connect(m_mediaPlayer, &QMediaPlayer::positionChanged, this, &VideoPlayer::positionChanged);
+    connect(m_mediaPlayer, &QMediaPlayer::durationChanged, this, &VideoPlayer::durationChanged);
+    connect(m_mediaPlayer, &QMediaPlayer::errorChanged, this, &VideoPlayer::handleError);
+}
+
+VideoPlayer::~VideoPlayer() { }
+
+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)
+        setUrl(fileDialog.selectedUrls().constFirst());
+}
+
+void VideoPlayer::setUrl(const QUrl &url)
+{
+    m_errorLabel->setText(QString());
+    setWindowFilePath(url.isLocalFile() ? url.toLocalFile() : QString());
+    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::handleError()
+{
+    if (m_mediaPlayer->error() == QMediaPlayer::NoError)
+        return;
+
+    m_playButton->setEnabled(false);
+    const QString errorString = m_mediaPlayer->errorString();
+    QString message = "Error: ";
+    if (errorString.isEmpty())
+        message += " #" + QString::number(int(m_mediaPlayer->error()));
+    else
+        message += errorString;
+    m_errorLabel->setText(message);
+}
+
+#include "moc_videoplayer.cpp"