diff options
author | Venugopal Shivashankar <venugopal.shivashankar@nokia.com> | 2012-07-19 15:44:36 +0200 |
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committer | Qt by Nokia <qt-info@nokia.com> | 2012-07-25 15:00:59 +0200 |
commit | f930e088fca4150ed61b1bfca0ec2ad139743a67 (patch) | |
tree | c3b709c0bbb8236e7ab8daea59ff82abb2d591bd /src/multimedia/doc/src/snippets/multimedia-snippets/video.cpp | |
parent | ef144b647f82634eec4d96bb141d1a46044cbd77 (diff) |
Moved doc under src to fall in-line with the new modular structure
Change-Id: Ia2933baa1f0eaf82b5c2a626cb3661ee087049e3
Reviewed-by: Jerome Pasion <jerome.pasion@nokia.com>
Diffstat (limited to 'src/multimedia/doc/src/snippets/multimedia-snippets/video.cpp')
-rw-r--r-- | src/multimedia/doc/src/snippets/multimedia-snippets/video.cpp | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/src/multimedia/doc/src/snippets/multimedia-snippets/video.cpp b/src/multimedia/doc/src/snippets/multimedia-snippets/video.cpp new file mode 100644 index 000000000..5ab5ed03a --- /dev/null +++ b/src/multimedia/doc/src/snippets/multimedia-snippets/video.cpp @@ -0,0 +1,193 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the Qt Mobility Components. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +/* Video related snippets */ +#include "qvideorenderercontrol.h" +#include "qmediaservice.h" +#include "qmediaplayer.h" +#include "qabstractvideosurface.h" +#include "qvideowidgetcontrol.h" +#include "qvideowindowcontrol.h" +#include "qgraphicsvideoitem.h" +#include "qmediaplaylist.h" +#include "qvideosurfaceformat.h" + +#include <QFormLayout> +#include <QGraphicsView> + +//! [Derived Surface] +class MyVideoSurface : public QAbstractVideoSurface +{ + QList<QVideoFrame::PixelFormat> supportedPixelFormats( + QAbstractVideoBuffer::HandleType handleType = QAbstractVideoBuffer::NoHandle) const + { + Q_UNUSED(handleType); + + // Return the formats you will support + return QList<QVideoFrame::PixelFormat>() << QVideoFrame::Format_RGB565; + } + + bool present(const QVideoFrame &frame) + { + Q_UNUSED(frame); + // Handle the frame and do your processing + + return true; + } +}; +//! [Derived Surface] + +//! [Video producer] +class MyVideoProducer : public QObject +{ + Q_OBJECT + Q_PROPERTY(QAbstractVideoSurface *videoSurface WRITE setVideoSurface) + +public: + void setVideoSurface(QAbstractVideoSurface *surface) + { + m_surface = surface; + m_surface->start(m_format); + } + + // ... + +public slots: + void onNewVideoContentReceived(const QVideoFrame &frame) + { + if (m_surface) + m_surface->present(frame); + } + +private: + QAbstractVideoSurface *m_surface; + QVideoSurfaceFormat m_format; +}; + +//! [Video producer] + + +class VideoExample : public QObject { + Q_OBJECT +public: + void VideoGraphicsItem(); + void VideoRendererControl(); + void VideoWidget(); + void VideoWindowControl(); + void VideoWidgetControl(); + +private: + // Common naming + QMediaService *mediaService; + QMediaPlaylist *playlist; + QVideoWidget *videoWidget; + QWidget *widget; + QFormLayout *layout; + QAbstractVideoSurface *myVideoSurface; + QMediaPlayer *player; + QMediaContent video; + QGraphicsView *graphicsView; +}; + +void VideoExample::VideoRendererControl() +{ + //! [Video renderer control] + QVideoRendererControl *rendererControl = mediaService->requestControl<QVideoRendererControl *>(); + rendererControl->setSurface(myVideoSurface); + //! [Video renderer control] +} + +void VideoExample::VideoWidget() +{ + //! [Video widget] + player = new QMediaPlayer; + + playlist = new QMediaPlaylist(player); + playlist->addMedia(QUrl("http://example.com/myclip1.mp4")); + playlist->addMedia(QUrl("http://example.com/myclip2.mp4")); + + videoWidget = new QVideoWidget; + player->setVideoOutput(videoWidget); + + videoWidget->show(); + playlist->setCurrentIndex(1); + player->play(); + //! [Video widget] + + player->stop(); + + //! [Setting surface in player] + player->setVideoOutput(myVideoSurface); + //! [Setting surface in player] +} + +void VideoExample::VideoWidgetControl() +{ + //! [Video widget control] + QVideoWidgetControl *widgetControl = mediaService->requestControl<QVideoWidgetControl *>(); + layout->addWidget(widgetControl->videoWidget()); + //! [Video widget control] +} + +void VideoExample::VideoWindowControl() +{ + //! [Video window control] + QVideoWindowControl *windowControl = mediaService->requestControl<QVideoWindowControl *>(); + windowControl->setWinId(widget->winId()); + windowControl->setDisplayRect(widget->rect()); + windowControl->setAspectRatioMode(Qt::KeepAspectRatio); + //! [Video window control] +} + +void VideoExample::VideoGraphicsItem() +{ + //! [Video graphics item] + player = new QMediaPlayer(this); + + QGraphicsVideoItem *item = new QGraphicsVideoItem; + player->setVideoOutput(item); + graphicsView->scene()->addItem(item); + graphicsView->show(); + + player->setMedia(QUrl("http://example.com/myclip4.ogv")); + player->play(); + //! [Video graphics item] +} |