6b4994c265
This follows suit with aeb036e in qtbase. Change-Id: Ie8580d0a1f38ab9858b0e44c9f99bdc552a1752a Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com> Reviewed-by: hjk <qthjk@ovi.com>
143 lines
4.6 KiB
C++
143 lines
4.6 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
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** of its contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "videoplayer.h"
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#include <QtWidgets>
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#include <qvideowidget.h>
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#include <qvideosurfaceformat.h>
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VideoPlayer::VideoPlayer(QWidget *parent)
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: QWidget(parent)
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, mediaPlayer(0, QMediaPlayer::VideoSurface)
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, playButton(0)
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, positionSlider(0)
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{
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QVideoWidget *videoWidget = new QVideoWidget;
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QAbstractButton *openButton = new QPushButton(tr("Open..."));
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connect(openButton, SIGNAL(clicked()), this, SLOT(openFile()));
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playButton = new QPushButton;
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playButton->setEnabled(false);
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playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPlay));
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connect(playButton, SIGNAL(clicked()),
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this, SLOT(play()));
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positionSlider = new QSlider(Qt::Horizontal);
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positionSlider->setRange(0, 0);
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connect(positionSlider, SIGNAL(sliderMoved(int)),
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this, SLOT(setPosition(int)));
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QBoxLayout *controlLayout = new QHBoxLayout;
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controlLayout->setMargin(0);
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controlLayout->addWidget(openButton);
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controlLayout->addWidget(playButton);
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controlLayout->addWidget(positionSlider);
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QBoxLayout *layout = new QVBoxLayout;
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layout->addWidget(videoWidget);
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layout->addLayout(controlLayout);
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setLayout(layout);
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mediaPlayer.setVideoOutput(videoWidget);
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connect(&mediaPlayer, SIGNAL(stateChanged(QMediaPlayer::State)),
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this, SLOT(mediaStateChanged(QMediaPlayer::State)));
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connect(&mediaPlayer, SIGNAL(positionChanged(qint64)), this, SLOT(positionChanged(qint64)));
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connect(&mediaPlayer, SIGNAL(durationChanged(qint64)), this, SLOT(durationChanged(qint64)));
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}
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VideoPlayer::~VideoPlayer()
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{
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}
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void VideoPlayer::openFile()
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{
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QString fileName = QFileDialog::getOpenFileName(this, tr("Open Movie"),QDir::homePath());
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if (!fileName.isEmpty()) {
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mediaPlayer.setMedia(QUrl::fromLocalFile(fileName));
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playButton->setEnabled(true);
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}
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}
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void VideoPlayer::play()
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{
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switch(mediaPlayer.state()) {
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case QMediaPlayer::PlayingState:
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mediaPlayer.pause();
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break;
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default:
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mediaPlayer.play();
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break;
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}
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}
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void VideoPlayer::mediaStateChanged(QMediaPlayer::State state)
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{
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switch(state) {
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case QMediaPlayer::PlayingState:
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playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPause));
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break;
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default:
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playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPlay));
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break;
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}
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}
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void VideoPlayer::positionChanged(qint64 position)
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{
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positionSlider->setValue(position);
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}
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void VideoPlayer::durationChanged(qint64 duration)
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{
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positionSlider->setRange(0, duration);
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}
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void VideoPlayer::setPosition(int position)
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{
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mediaPlayer.setPosition(position);
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}
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