diff options
Diffstat (limited to 'examples/multimediawidgets/customvideosurface')
15 files changed, 1283 insertions, 0 deletions
diff --git a/examples/multimediawidgets/customvideosurface/customvideoitem/customvideoitem.pro b/examples/multimediawidgets/customvideosurface/customvideoitem/customvideoitem.pro new file mode 100644 index 000000000..387e494c9 --- /dev/null +++ b/examples/multimediawidgets/customvideosurface/customvideoitem/customvideoitem.pro @@ -0,0 +1,16 @@ +TEMPLATE = app +TARGET = customvideoitem + +QT += multimedia multimediawidgets widgets + +contains(QT_CONFIG, opengl): QT += opengl + +HEADERS += videoplayer.h \ + videoitem.h + +SOURCES += main.cpp \ + videoplayer.cpp \ + videoitem.cpp + +target.path = $$[QT_INSTALL_EXAMPLES]/multimediawidgets/customvideosurface/customvideoitem +INSTALLS += target diff --git a/examples/multimediawidgets/customvideosurface/customvideoitem/main.cpp b/examples/multimediawidgets/customvideosurface/customvideoitem/main.cpp new file mode 100644 index 000000000..18f602f88 --- /dev/null +++ b/examples/multimediawidgets/customvideosurface/customvideoitem/main.cpp @@ -0,0 +1,54 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the examples of the Qt Toolkit. +** +** $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 Digia Plc 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 <QApplication> + +int main(int argc, char *argv[]) +{ + QApplication app(argc, argv); + + VideoPlayer player; + player.show(); + + return app.exec(); +} + diff --git a/examples/multimediawidgets/customvideosurface/customvideoitem/videoitem.cpp b/examples/multimediawidgets/customvideosurface/customvideoitem/videoitem.cpp new file mode 100644 index 000000000..db6651efd --- /dev/null +++ b/examples/multimediawidgets/customvideosurface/customvideoitem/videoitem.cpp @@ -0,0 +1,145 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the examples of the Qt Toolkit. +** +** $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 Digia Plc 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 "videoitem.h" + +#include <QPainter> +#include <QTransform> +#include <QVideoSurfaceFormat> + +VideoItem::VideoItem(QGraphicsItem *parent) + : QGraphicsItem(parent) + , imageFormat(QImage::Format_Invalid) + , framePainted(false) +{ +} + +VideoItem::~VideoItem() +{ +} + +QRectF VideoItem::boundingRect() const +{ + return QRectF(QPointF(0,0), surfaceFormat().sizeHint()); +} + +void VideoItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) +{ + Q_UNUSED(option); + Q_UNUSED(widget); + + if (currentFrame.map(QAbstractVideoBuffer::ReadOnly)) { + const QTransform oldTransform = painter->transform(); + + if (surfaceFormat().scanLineDirection() == QVideoSurfaceFormat::BottomToTop) { + painter->scale(1, -1); + painter->translate(0, -boundingRect().height()); + } + + painter->drawImage(boundingRect(), QImage( + currentFrame.bits(), + imageSize.width(), + imageSize.height(), + imageFormat)); + + painter->setTransform(oldTransform); + + framePainted = true; + + currentFrame.unmap(); + } +} + +QList<QVideoFrame::PixelFormat> VideoItem::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>(); + } +} + +bool VideoItem::start(const QVideoSurfaceFormat &format) +{ + if (isFormatSupported(format)) { + imageFormat = QVideoFrame::imageFormatFromPixelFormat(format.pixelFormat()); + imageSize = format.frameSize(); + framePainted = true; + + QAbstractVideoSurface::start(format); + + prepareGeometryChange(); + + return true; + } else { + return false; + } +} + +void VideoItem::stop() +{ + currentFrame = QVideoFrame(); + framePainted = false; + + QAbstractVideoSurface::stop(); +} + +bool VideoItem::present(const QVideoFrame &frame) +{ + if (!framePainted) { + if (!QAbstractVideoSurface::isActive()) + setError(StoppedError); + + return false; + } else { + currentFrame = frame; + framePainted = false; + + update(); + + return true; + } +} diff --git a/examples/multimediawidgets/customvideosurface/customvideoitem/videoitem.h b/examples/multimediawidgets/customvideosurface/customvideoitem/videoitem.h new file mode 100644 index 000000000..28360577b --- /dev/null +++ b/examples/multimediawidgets/customvideosurface/customvideoitem/videoitem.h @@ -0,0 +1,78 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the examples of the Qt Toolkit. +** +** $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 Digia Plc 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 VIDEOITEM_H +#define VIDEOITEM_H + +#include <QAbstractVideoSurface> +#include <QGraphicsItem> + +class VideoItem + : public QAbstractVideoSurface, + public QGraphicsItem +{ + Q_OBJECT + Q_INTERFACES(QGraphicsItem) + +public: + explicit VideoItem(QGraphicsItem *parentItem = 0); + ~VideoItem(); + + QRectF boundingRect() const; + void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0); + + //video surface + QList<QVideoFrame::PixelFormat> supportedPixelFormats( + QAbstractVideoBuffer::HandleType handleType = QAbstractVideoBuffer::NoHandle) const; + + bool start(const QVideoSurfaceFormat &format); + void stop(); + bool present(const QVideoFrame &frame); + +private: + QImage::Format imageFormat; + QSize imageSize; + + QVideoFrame currentFrame; + bool framePainted; +}; + +#endif // VIDEOITEM_H + diff --git a/examples/multimediawidgets/customvideosurface/customvideoitem/videoplayer.cpp b/examples/multimediawidgets/customvideosurface/customvideoitem/videoplayer.cpp new file mode 100644 index 000000000..c76160da3 --- /dev/null +++ b/examples/multimediawidgets/customvideosurface/customvideoitem/videoplayer.cpp @@ -0,0 +1,174 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the examples of the Qt Toolkit. +** +** $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 Digia Plc 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 "videoitem.h" + +#include <QtWidgets> +#include <QVideoSurfaceFormat> + +#if !defined(QT_NO_OPENGL) +# include <QGLWidget> +#endif + +VideoPlayer::VideoPlayer(QWidget *parent) + : QWidget(parent) + , mediaPlayer(0, QMediaPlayer::VideoSurface) + , videoItem(0) + , playButton(0) + , positionSlider(0) +{ + videoItem = new VideoItem; + + QGraphicsScene *scene = new QGraphicsScene(this); + QGraphicsView *graphicsView = new QGraphicsView(scene); + +#if !defined(QT_NO_OPENGL) + graphicsView->setViewport(new QGLWidget); +#endif + + scene->addItem(videoItem); + + QSlider *rotateSlider = new QSlider(Qt::Horizontal); + rotateSlider->setRange(-180, 180); + rotateSlider->setValue(0); + + connect(rotateSlider, SIGNAL(valueChanged(int)), + this, SLOT(rotateVideo(int))); + + 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(graphicsView); + layout->addWidget(rotateSlider); + layout->addLayout(controlLayout); + + setLayout(layout); + + mediaPlayer.setVideoOutput(videoItem); + 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); +} + + +void VideoPlayer::rotateVideo(int angle) +{ + //rotate around the center of video element + qreal x = videoItem->boundingRect().width() / 2.0; + qreal y = videoItem->boundingRect().height() / 2.0; + videoItem->setTransform(QTransform().translate(x, y).rotate(angle).translate(-x, -y)); +} diff --git a/examples/multimediawidgets/customvideosurface/customvideoitem/videoplayer.h b/examples/multimediawidgets/customvideosurface/customvideoitem/videoplayer.h new file mode 100644 index 000000000..5b4db4e4d --- /dev/null +++ b/examples/multimediawidgets/customvideosurface/customvideoitem/videoplayer.h @@ -0,0 +1,84 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the examples of the Qt Toolkit. +** +** $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 Digia Plc 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> +#include <QMovie> +#include <QWidget> + +QT_BEGIN_NAMESPACE +class QAbstractButton; +class QSlider; +QT_END_NAMESPACE + +class VideoItem; + +class VideoPlayer : public QWidget +{ + Q_OBJECT + +public: + VideoPlayer(QWidget *parent = 0); + ~VideoPlayer(); + + QSize sizeHint() const { return QSize(800, 600); } + +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); + void rotateVideo(int angle); + +private: + QMediaPlayer mediaPlayer; + VideoItem *videoItem; + QAbstractButton *playButton; + QSlider *positionSlider; +}; + +#endif // VIDEOPLAYER_H + diff --git a/examples/multimediawidgets/customvideosurface/customvideosurface.pro b/examples/multimediawidgets/customvideosurface/customvideosurface.pro new file mode 100644 index 000000000..baffdaba7 --- /dev/null +++ b/examples/multimediawidgets/customvideosurface/customvideosurface.pro @@ -0,0 +1,4 @@ +TEMPLATE = subdirs + +SUBDIRS += customvideoitem customvideowidget + diff --git a/examples/multimediawidgets/customvideosurface/customvideowidget/customvideowidget.pro b/examples/multimediawidgets/customvideosurface/customvideowidget/customvideowidget.pro new file mode 100644 index 000000000..b4476dfb7 --- /dev/null +++ b/examples/multimediawidgets/customvideosurface/customvideowidget/customvideowidget.pro @@ -0,0 +1,18 @@ +TEMPLATE = app +TARGET = customvideowidget + +QT += multimedia multimediawidgets widgets + +HEADERS = \ + videoplayer.h \ + videowidget.h \ + videowidgetsurface.h + +SOURCES = \ + main.cpp \ + videoplayer.cpp \ + videowidget.cpp \ + videowidgetsurface.cpp + +target.path = $$[QT_INSTALL_EXAMPLES]/multimediawidgets/customvideosurface/customvideowidget +INSTALLS += target diff --git a/examples/multimediawidgets/customvideosurface/customvideowidget/main.cpp b/examples/multimediawidgets/customvideosurface/customvideowidget/main.cpp new file mode 100644 index 000000000..8b7aba641 --- /dev/null +++ b/examples/multimediawidgets/customvideosurface/customvideowidget/main.cpp @@ -0,0 +1,53 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Digia Plc 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 <QtWidgets/QApplication> + +int main(int argc, char *argv[]) +{ + QApplication app(argc, argv); + + VideoPlayer player; + player.show(); + + return app.exec(); +} diff --git a/examples/multimediawidgets/customvideosurface/customvideowidget/videoplayer.cpp b/examples/multimediawidgets/customvideosurface/customvideowidget/videoplayer.cpp new file mode 100644 index 000000000..639c32461 --- /dev/null +++ b/examples/multimediawidgets/customvideosurface/customvideowidget/videoplayer.cpp @@ -0,0 +1,143 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Digia Plc 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 <QtWidgets> +#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); +} diff --git a/examples/multimediawidgets/customvideosurface/customvideowidget/videoplayer.h b/examples/multimediawidgets/customvideosurface/customvideowidget/videoplayer.h new file mode 100644 index 000000000..7aff44fbb --- /dev/null +++ b/examples/multimediawidgets/customvideosurface/customvideowidget/videoplayer.h @@ -0,0 +1,77 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Digia Plc 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> +#include <QMovie> +#include <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 // VIDEOPLAYER_H diff --git a/examples/multimediawidgets/customvideosurface/customvideowidget/videowidget.cpp b/examples/multimediawidgets/customvideosurface/customvideowidget/videowidget.cpp new file mode 100644 index 000000000..38c386e6e --- /dev/null +++ b/examples/multimediawidgets/customvideosurface/customvideowidget/videowidget.cpp @@ -0,0 +1,113 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Digia Plc 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 <QtWidgets> +#include <qvideosurfaceformat.h> + +//! [0] +VideoWidget::VideoWidget(QWidget *parent) + : QWidget(parent) + , surface(0) +{ + setAutoFillBackground(false); + setAttribute(Qt::WA_NoSystemBackground, 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 = region.subtracted(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] diff --git a/examples/multimediawidgets/customvideosurface/customvideowidget/videowidget.h b/examples/multimediawidgets/customvideosurface/customvideowidget/videowidget.h new file mode 100644 index 000000000..9b9bd0f38 --- /dev/null +++ b/examples/multimediawidgets/customvideosurface/customvideowidget/videowidget.h @@ -0,0 +1,70 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Digia Plc 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 <QWidget> + +//! [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 // VIDEOWIDGET_H diff --git a/examples/multimediawidgets/customvideosurface/customvideowidget/videowidgetsurface.cpp b/examples/multimediawidgets/customvideosurface/customvideowidget/videowidgetsurface.cpp new file mode 100644 index 000000000..df157206b --- /dev/null +++ b/examples/multimediawidgets/customvideosurface/customvideowidget/videowidgetsurface.cpp @@ -0,0 +1,173 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Digia Plc 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 <QtWidgets> +#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) const +{ + 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] diff --git a/examples/multimediawidgets/customvideosurface/customvideowidget/videowidgetsurface.h b/examples/multimediawidgets/customvideosurface/customvideowidget/videowidgetsurface.h new file mode 100644 index 000000000..3e9c40bd2 --- /dev/null +++ b/examples/multimediawidgets/customvideosurface/customvideowidget/videowidgetsurface.h @@ -0,0 +1,81 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Digia Plc 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 <QAbstractVideoSurface> +#include <QImage> +#include <QRect> +#include <QVideoFrame> + +//! [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) 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 |