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Diffstat (limited to 'examples/multimediawidgets/videographicsitem/videoplayer.cpp')
| -rw-r--r-- | examples/multimediawidgets/videographicsitem/videoplayer.cpp | 189 |
1 files changed, 0 insertions, 189 deletions
diff --git a/examples/multimediawidgets/videographicsitem/videoplayer.cpp b/examples/multimediawidgets/videographicsitem/videoplayer.cpp deleted file mode 100644 index 917a71f64..000000000 --- a/examples/multimediawidgets/videographicsitem/videoplayer.cpp +++ /dev/null @@ -1,189 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2017 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the examples of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, 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 The Qt Company Ltd 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> -#include <QGraphicsVideoItem> - -VideoPlayer::VideoPlayer(QWidget *parent) - : QWidget(parent) -{ - m_mediaPlayer = new QMediaPlayer(this, QMediaPlayer::VideoSurface); - const QSize screenGeometry = screen()->availableSize(); - m_videoItem = new QGraphicsVideoItem; - m_videoItem->setSize(QSizeF(screenGeometry.width() / 3, screenGeometry.height() / 2)); - - QGraphicsScene *scene = new QGraphicsScene(this); - QGraphicsView *graphicsView = new QGraphicsView(scene); - - scene->addItem(m_videoItem); - - QSlider *rotateSlider = new QSlider(Qt::Horizontal); - rotateSlider->setToolTip(tr("Rotate Video")); - rotateSlider->setRange(-180, 180); - rotateSlider->setValue(0); - - connect(rotateSlider, &QAbstractSlider::valueChanged, - this, &VideoPlayer::rotateVideo); - - QAbstractButton *openButton = new QPushButton(tr("Open...")); - connect(openButton, &QAbstractButton::clicked, this, &VideoPlayer::openFile); - - m_playButton = new QPushButton; - m_playButton->setEnabled(false); - m_playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPlay)); - - connect(m_playButton, &QAbstractButton::clicked, this, &VideoPlayer::play); - - m_positionSlider = new QSlider(Qt::Horizontal); - m_positionSlider->setRange(0, 0); - - connect(m_positionSlider, &QAbstractSlider::sliderMoved, - this, &VideoPlayer::setPosition); - - QBoxLayout *controlLayout = new QHBoxLayout; - controlLayout->setContentsMargins(0, 0, 0, 0); - controlLayout->addWidget(openButton); - controlLayout->addWidget(m_playButton); - controlLayout->addWidget(m_positionSlider); - - QBoxLayout *layout = new QVBoxLayout(this); - layout->addWidget(graphicsView); - layout->addWidget(rotateSlider); - layout->addLayout(controlLayout); - - m_mediaPlayer->setVideoOutput(m_videoItem); - connect(m_mediaPlayer, &QMediaPlayer::stateChanged, - this, &VideoPlayer::mediaStateChanged); - connect(m_mediaPlayer, &QMediaPlayer::positionChanged, this, &VideoPlayer::positionChanged); - connect(m_mediaPlayer, &QMediaPlayer::durationChanged, this, &VideoPlayer::durationChanged); -} - -VideoPlayer::~VideoPlayer() -{ -} - -QSize VideoPlayer::sizeHint() const -{ - return (m_videoItem->size() * qreal(3) / qreal(2)).toSize(); -} - -bool VideoPlayer::isPlayerAvailable() const -{ - return m_mediaPlayer->isAvailable(); -} - -void VideoPlayer::openFile() -{ - QFileDialog fileDialog(this); - fileDialog.setAcceptMode(QFileDialog::AcceptOpen); - fileDialog.setWindowTitle(tr("Open Movie")); - const QStringList supportedMimeTypes = m_mediaPlayer->supportedMimeTypes(); - if (!supportedMimeTypes.isEmpty()) - fileDialog.setMimeTypeFilters(supportedMimeTypes); - fileDialog.setDirectory(QStandardPaths::standardLocations(QStandardPaths::MoviesLocation).value(0, QDir::homePath())); - if (fileDialog.exec() == QDialog::Accepted) - load(fileDialog.selectedUrls().constFirst()); -} - -void VideoPlayer::load(const QUrl &url) -{ - m_mediaPlayer->setMedia(url); - m_playButton->setEnabled(true); -} - -void VideoPlayer::play() -{ - switch (m_mediaPlayer->state()) { - case QMediaPlayer::PlayingState: - m_mediaPlayer->pause(); - break; - default: - m_mediaPlayer->play(); - break; - } -} - -void VideoPlayer::mediaStateChanged(QMediaPlayer::State state) -{ - switch(state) { - case QMediaPlayer::PlayingState: - m_playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPause)); - break; - default: - m_playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPlay)); - break; - } -} - -void VideoPlayer::positionChanged(qint64 position) -{ - m_positionSlider->setValue(position); -} - -void VideoPlayer::durationChanged(qint64 duration) -{ - m_positionSlider->setRange(0, duration); -} - -void VideoPlayer::setPosition(int position) -{ - m_mediaPlayer->setPosition(position); -} - - -void VideoPlayer::rotateVideo(int angle) -{ - //rotate around the center of video element - qreal x = m_videoItem->boundingRect().width() / 2.0; - qreal y = m_videoItem->boundingRect().height() / 2.0; - m_videoItem->setTransform(QTransform().translate(x, y).rotate(angle).translate(-x, -y)); -} |