Initial copy of QtMultimediaKit.

Comes from original repo, with SHA1:
2c82d5611655e5967f5c5095af50c0991c4378b2

examples/videowidget/main.cpp

@@ -0,0 +1,53 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+**     the names of its contributors may be used to endorse or promote
+**     products derived from this software without specific prior written
+**     permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "videoplayer.h"
+
+#include <QtGui/QApplication>
+
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+
+    VideoPlayer player;
+    player.show();
+
+    return app.exec();
+}

examples/videowidget/videoplayer.cpp

@@ -0,0 +1,143 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+**     the names of its contributors may be used to endorse or promote
+**     products derived from this software without specific prior written
+**     permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "videoplayer.h"
+
+#include "videowidget.h"
+
+#include <QtGui>
+#include <qvideosurfaceformat.h>
+
+VideoPlayer::VideoPlayer(QWidget *parent)
+    : QWidget(parent)
+    , mediaPlayer(0, QMediaPlayer::VideoSurface)
+    , playButton(0)
+    , positionSlider(0)
+{
+    VideoWidget *videoWidget = new VideoWidget;
+
+    QAbstractButton *openButton = new QPushButton(tr("Open..."));
+    connect(openButton, SIGNAL(clicked()), this, SLOT(openFile()));
+
+    playButton = new QPushButton;
+    playButton->setEnabled(false);
+    playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPlay));
+
+    connect(playButton, SIGNAL(clicked()),
+            this, SLOT(play()));
+
+    positionSlider = new QSlider(Qt::Horizontal);
+    positionSlider->setRange(0, 0);
+
+    connect(positionSlider, SIGNAL(sliderMoved(int)),
+            this, SLOT(setPosition(int)));
+
+    QBoxLayout *controlLayout = new QHBoxLayout;
+    controlLayout->setMargin(0);
+    controlLayout->addWidget(openButton);
+    controlLayout->addWidget(playButton);
+    controlLayout->addWidget(positionSlider);
+
+    QBoxLayout *layout = new QVBoxLayout;
+    layout->addWidget(videoWidget);
+    layout->addLayout(controlLayout);
+
+    setLayout(layout);
+
+    mediaPlayer.setVideoOutput(videoWidget->videoSurface());
+    connect(&mediaPlayer, SIGNAL(stateChanged(QMediaPlayer::State)),
+            this, SLOT(mediaStateChanged(QMediaPlayer::State)));
+    connect(&mediaPlayer, SIGNAL(positionChanged(qint64)), this, SLOT(positionChanged(qint64)));
+    connect(&mediaPlayer, SIGNAL(durationChanged(qint64)), this, SLOT(durationChanged(qint64)));
+}
+
+VideoPlayer::~VideoPlayer()
+{
+}
+
+void VideoPlayer::openFile()
+{
+    QString fileName = QFileDialog::getOpenFileName(this, tr("Open Movie"),QDir::homePath());
+
+    if (!fileName.isEmpty()) {
+        mediaPlayer.setMedia(QUrl::fromLocalFile(fileName));
+
+        playButton->setEnabled(true);
+    }
+}
+
+void VideoPlayer::play()
+{
+    switch(mediaPlayer.state()) {
+    case QMediaPlayer::PlayingState:
+        mediaPlayer.pause();
+        break;
+    default:
+        mediaPlayer.play();
+        break;
+    }
+}
+
+void VideoPlayer::mediaStateChanged(QMediaPlayer::State state)
+{
+    switch(state) {
+    case QMediaPlayer::PlayingState:
+        playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPause));
+        break;
+    default:
+        playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPlay));
+        break;
+    }
+}
+
+void VideoPlayer::positionChanged(qint64 position)
+{
+    positionSlider->setValue(position);
+}
+
+void VideoPlayer::durationChanged(qint64 duration)
+{
+    positionSlider->setRange(0, duration);
+}
+
+void VideoPlayer::setPosition(int position)
+{
+    mediaPlayer.setPosition(position);
+}

examples/videowidget/videoplayer.h

@@ -0,0 +1,77 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+**     the names of its contributors may be used to endorse or promote
+**     products derived from this software without specific prior written
+**     permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef VIDEOPLAYER_H
+#define VIDEOPLAYER_H
+
+#include <qmediaplayer.h>
+
+#include <QtGui/QMovie>
+#include <QtGui/QWidget>
+
+QT_BEGIN_NAMESPACE
+class QAbstractButton;
+class QSlider;
+QT_END_NAMESPACE
+
+class VideoPlayer : public QWidget
+{
+    Q_OBJECT
+public:
+    VideoPlayer(QWidget *parent = 0);
+    ~VideoPlayer();
+
+public slots:
+    void openFile();
+    void play();
+
+private slots:
+    void mediaStateChanged(QMediaPlayer::State state);
+    void positionChanged(qint64 position);
+    void durationChanged(qint64 duration);
+    void setPosition(int position);
+
+private:
+    QMediaPlayer mediaPlayer;
+    QAbstractButton *playButton;
+    QSlider *positionSlider;
+};
+
+#endif

examples/videowidget/videowidget.cpp

@@ -0,0 +1,114 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+**     the names of its contributors may be used to endorse or promote
+**     products derived from this software without specific prior written
+**     permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "videowidget.h"
+
+#include "videowidgetsurface.h"
+
+#include <QtGui>
+#include <qvideosurfaceformat.h>
+
+//! [0]
+VideoWidget::VideoWidget(QWidget *parent)
+    : QWidget(parent)
+    , surface(0)
+{
+    setAutoFillBackground(false);
+    setAttribute(Qt::WA_NoSystemBackground, true);
+    setAttribute(Qt::WA_PaintOnScreen, true);
+
+    QPalette palette = this->palette();
+    palette.setColor(QPalette::Background, Qt::black);
+    setPalette(palette);
+
+    setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding);
+
+    surface = new VideoWidgetSurface(this);
+}
+//! [0]
+
+//! [1]
+VideoWidget::~VideoWidget()
+{
+    delete surface;
+}
+//! [1]
+
+//! [2]
+QSize VideoWidget::sizeHint() const
+{
+    return surface->surfaceFormat().sizeHint();
+}
+//! [2]
+
+
+//! [3]
+void VideoWidget::paintEvent(QPaintEvent *event)
+{
+    QPainter painter(this);
+
+    if (surface->isActive()) {
+        const QRect videoRect = surface->videoRect();
+
+        if (!videoRect.contains(event->rect())) {
+            QRegion region = event->region();
+            region.subtract(videoRect);
+
+            QBrush brush = palette().background();
+
+            foreach (const QRect &rect, region.rects())
+                painter.fillRect(rect, brush);
+        }
+
+        surface->paint(&painter);
+    } else {
+        painter.fillRect(event->rect(), palette().background());
+    }
+}
+//! [3]
+
+//! [4]
+void VideoWidget::resizeEvent(QResizeEvent *event)
+{
+    QWidget::resizeEvent(event);
+
+    surface->updateVideoRect();
+}
+//! [4]

examples/videowidget/videowidget.h

@@ -0,0 +1,75 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+**     the names of its contributors may be used to endorse or promote
+**     products derived from this software without specific prior written
+**     permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef VIDEOWIDGET_H
+#define VIDEOWIDGET_H
+
+#include "videowidgetsurface.h"
+
+#include <QtGui/QWidget>
+
+QT_BEGIN_NAMESPACE
+class QAbstractVideoSurface;
+QT_END_NAMESPACE
+
+class VideoWidgetSurface;
+
+//! [0]
+class VideoWidget : public QWidget
+{
+    Q_OBJECT
+public:
+    VideoWidget(QWidget *parent = 0);
+    ~VideoWidget();
+
+    QAbstractVideoSurface *videoSurface() const { return surface; }
+
+    QSize sizeHint() const;
+
+protected:
+    void paintEvent(QPaintEvent *event);
+    void resizeEvent(QResizeEvent *event);
+
+private:
+    VideoWidgetSurface *surface;
+};
+//! [0]
+
+#endif

examples/videowidget/videowidget.pro

@@ -0,0 +1,22 @@
+TEMPLATE = app
+CONFIG += example
+
+INCLUDEPATH += ../../src/multimedia ../../src/multimedia/video
+include(../mobility_examples.pri)
+
+CONFIG += mobility
+MOBILITY = multimedia
+
+QMAKE_RPATHDIR += $$DESTDIR
+
+HEADERS = \
+    videoplayer.h \
+    videowidget.h \
+    videowidgetsurface.h
+
+SOURCES = \
+    main.cpp \
+    videoplayer.cpp \
+    videowidget.cpp \
+    videowidgetsurface.cpp
+

examples/videowidget/videowidgetsurface.cpp

@@ -0,0 +1,176 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+**     the names of its contributors may be used to endorse or promote
+**     products derived from this software without specific prior written
+**     permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "videowidgetsurface.h"
+
+#include <QtGui>
+#include <qabstractvideosurface.h>
+#include <qvideosurfaceformat.h>
+
+VideoWidgetSurface::VideoWidgetSurface(QWidget *widget, QObject *parent)
+    : QAbstractVideoSurface(parent)
+    , widget(widget)
+    , imageFormat(QImage::Format_Invalid)
+{
+}
+
+//! [0]
+QList<QVideoFrame::PixelFormat> VideoWidgetSurface::supportedPixelFormats(
+        QAbstractVideoBuffer::HandleType handleType) const
+{
+    if (handleType == QAbstractVideoBuffer::NoHandle) {
+        return QList<QVideoFrame::PixelFormat>()
+                << QVideoFrame::Format_RGB32
+                << QVideoFrame::Format_ARGB32
+                << QVideoFrame::Format_ARGB32_Premultiplied
+                << QVideoFrame::Format_RGB565
+                << QVideoFrame::Format_RGB555;
+    } else {
+        return QList<QVideoFrame::PixelFormat>();
+    }
+}
+//! [0]
+
+//! [1]
+bool VideoWidgetSurface::isFormatSupported(
+        const QVideoSurfaceFormat &format, QVideoSurfaceFormat *similar) const
+{
+    Q_UNUSED(similar);
+
+    const QImage::Format imageFormat = QVideoFrame::imageFormatFromPixelFormat(format.pixelFormat());
+    const QSize size = format.frameSize();
+
+    return imageFormat != QImage::Format_Invalid
+            && !size.isEmpty()
+            && format.handleType() == QAbstractVideoBuffer::NoHandle;
+}
+//! [1]
+
+//! [2]
+bool VideoWidgetSurface::start(const QVideoSurfaceFormat &format)
+{
+    const QImage::Format imageFormat = QVideoFrame::imageFormatFromPixelFormat(format.pixelFormat());
+    const QSize size = format.frameSize();
+
+    if (imageFormat != QImage::Format_Invalid && !size.isEmpty()) {
+        this->imageFormat = imageFormat;
+        imageSize = size;
+        sourceRect = format.viewport();
+
+        QAbstractVideoSurface::start(format);
+
+        widget->updateGeometry();
+        updateVideoRect();
+
+        return true;
+    } else {
+        return false;
+    }
+}
+//! [2]
+
+//! [3]
+void VideoWidgetSurface::stop()
+{
+    currentFrame = QVideoFrame();
+    targetRect = QRect();
+
+    QAbstractVideoSurface::stop();
+
+    widget->update();
+}
+//! [3]
+
+//! [4]
+bool VideoWidgetSurface::present(const QVideoFrame &frame)
+{
+    if (surfaceFormat().pixelFormat() != frame.pixelFormat()
+            || surfaceFormat().frameSize() != frame.size()) {
+        setError(IncorrectFormatError);
+        stop();
+
+        return false;
+    } else {
+        currentFrame = frame;
+
+        widget->repaint(targetRect);
+
+        return true;
+    }
+}
+//! [4]
+
+//! [5]
+void VideoWidgetSurface::updateVideoRect()
+{
+    QSize size = surfaceFormat().sizeHint();
+    size.scale(widget->size().boundedTo(size), Qt::KeepAspectRatio);
+
+    targetRect = QRect(QPoint(0, 0), size);
+    targetRect.moveCenter(widget->rect().center());
+}
+//! [5]
+
+//! [6]
+void VideoWidgetSurface::paint(QPainter *painter)
+{
+    if (currentFrame.map(QAbstractVideoBuffer::ReadOnly)) {
+        const QTransform oldTransform = painter->transform();
+
+        if (surfaceFormat().scanLineDirection() == QVideoSurfaceFormat::BottomToTop) {
+           painter->scale(1, -1);
+           painter->translate(0, -widget->height());
+        }
+
+        QImage image(
+                currentFrame.bits(),
+                currentFrame.width(),
+                currentFrame.height(),
+                currentFrame.bytesPerLine(),
+                imageFormat);
+
+        painter->drawImage(targetRect, image, sourceRect);
+
+        painter->setTransform(oldTransform);
+
+        currentFrame.unmap();
+    }
+}
+//! [6]

examples/videowidget/videowidgetsurface.h

@@ -0,0 +1,80 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+**     the names of its contributors may be used to endorse or promote
+**     products derived from this software without specific prior written
+**     permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef VIDEOWIDGETSURFACE_H
+#define VIDEOWIDGETSURFACE_H
+
+#include <QtCore/QRect>
+#include <QtGui/QImage>
+#include <qabstractvideosurface.h>
+#include <qvideoframe.h>
+
+//! [0]
+class VideoWidgetSurface : public QAbstractVideoSurface
+{
+    Q_OBJECT
+public:
+    VideoWidgetSurface(QWidget *widget, QObject *parent = 0);
+
+    QList<QVideoFrame::PixelFormat> supportedPixelFormats(
+            QAbstractVideoBuffer::HandleType handleType = QAbstractVideoBuffer::NoHandle) const;
+    bool isFormatSupported(const QVideoSurfaceFormat &format, QVideoSurfaceFormat *similar) const;
+
+    bool start(const QVideoSurfaceFormat &format);
+    void stop();
+
+    bool present(const QVideoFrame &frame);
+
+    QRect videoRect() const { return targetRect; }
+    void updateVideoRect();
+
+    void paint(QPainter *painter);
+
+private:
+    QWidget *widget;
+    QImage::Format imageFormat;
+    QRect targetRect;
+    QSize imageSize;
+    QRect sourceRect;
+    QVideoFrame currentFrame;
+};
+//! [0]
+
+#endif