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Diffstat (limited to 'examples/videographicsitem/videoplayer.cpp')
| -rw-r--r-- | examples/videographicsitem/videoplayer.cpp | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/examples/videographicsitem/videoplayer.cpp b/examples/videographicsitem/videoplayer.cpp deleted file mode 100644 index b406d51..0000000 --- a/examples/videographicsitem/videoplayer.cpp +++ /dev/null @@ -1,174 +0,0 @@ -/**************************************************************************** -** -** 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 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 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 "videoitem.h" - -#include <QtWidgets> -#include <qvideosurfaceformat.h> - -#if !defined(QT_NO_OPENGL) -# include <QtOpenGL/QGLWidget> -#endif - -VideoPlayer::VideoPlayer(QWidget *parent, Qt::WindowFlags flags) - : QWidget(parent, flags) - , 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)); -} |