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Diffstat (limited to 'doc/src/snippets/multimedia-snippets/player.cpp')
| -rw-r--r-- | doc/src/snippets/multimedia-snippets/player.cpp | 317 |
1 files changed, 0 insertions, 317 deletions
diff --git a/doc/src/snippets/multimedia-snippets/player.cpp b/doc/src/snippets/multimedia-snippets/player.cpp deleted file mode 100644 index 84d09c051..000000000 --- a/doc/src/snippets/multimedia-snippets/player.cpp +++ /dev/null @@ -1,317 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** 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. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "player.h" - -#include "playercontrols.h" -#include "playlistmodel.h" -#include "videowidget.h" - -#include <qmediaservice.h> -#include <qmediaplaylist.h> - -#include <QtWidgets> - -Player::Player(QWidget *parent) - : QWidget(parent) - , videoWidget(0) - , coverLabel(0) - , slider(0) - , colorDialog(0) -{ -//! [create-objs] - player = new QMediaPlayer; - playlist = new QMediaPlaylist(player); -//! [create-objs] - - connect(player, SIGNAL(durationChanged(qint64)), SLOT(durationChanged(qint64))); - connect(player, SIGNAL(positionChanged(qint64)), SLOT(positionChanged(qint64))); - connect(player, SIGNAL(metaDataChanged()), SLOT(metaDataChanged())); - connect(playlist, SIGNAL(playlistPositionChanged(int)), SLOT(playlistPositionChanged(int))); - connect(player, SIGNAL(mediaStatusChanged(QMediaPlayer::MediaStatus)), - this, SLOT(statusChanged(QMediaPlayer::MediaStatus))); - connect(player, SIGNAL(bufferStatusChanged(int)), this, SLOT(bufferingProgress(int))); - - videoWidget = new VideoWidget(player); - - playlistModel = new PlaylistModel(this); - playlistModel->setPlaylist(playlist); - - playlistView = new QListView; - playlistView->setModel(playlistModel); - playlistView->setCurrentIndex(playlistModel->index(playlist->currentPosition(), 0)); - - connect(playlistView, SIGNAL(activated(QModelIndex)), this, SLOT(jump(QModelIndex))); - - slider = new QSlider(Qt::Horizontal); - slider->setRange(0, player->duration() / 1000); - - connect(slider, SIGNAL(sliderMoved(int)), this, SLOT(seek(int))); - - QPushButton *openButton = new QPushButton(tr("Open")); - - connect(openButton, SIGNAL(clicked()), this, SLOT(open())); - - PlayerControls *controls = new PlayerControls; - controls->setState(player->state()); - controls->setVolume(player->volume()); - controls->setMuted(controls->isMuted()); - - connect(controls, SIGNAL(play()), player, SLOT(play())); - connect(controls, SIGNAL(pause()), player, SLOT(pause())); - connect(controls, SIGNAL(stop()), player, SLOT(stop())); - connect(controls, SIGNAL(next()), playlist, SLOT(next())); - connect(controls, SIGNAL(previous()), playlist, SLOT(previous())); - connect(controls, SIGNAL(changeVolume(int)), player, SLOT(setVolume(int))); - connect(controls, SIGNAL(changeMuting(bool)), player, SLOT(setMuted(bool))); - connect(controls, SIGNAL(changeRate(qreal)), player, SLOT(setPlaybackRate(qreal))); - - connect(player, SIGNAL(stateChanged(QMediaPlayer::State)), - controls, SLOT(setState(QMediaPlayer::State))); - connect(player, SIGNAL(volumeChanged(int)), controls, SLOT(setVolume(int))); - connect(player, SIGNAL(mutingChanged(bool)), controls, SLOT(setMuted(bool))); - - QPushButton *fullScreenButton = new QPushButton(tr("FullScreen")); - fullScreenButton->setCheckable(true); - - if (videoWidget != 0) { - connect(fullScreenButton, SIGNAL(clicked(bool)), videoWidget, SLOT(setFullScreen(bool))); - connect(videoWidget, SIGNAL(fullScreenChanged(bool)), - fullScreenButton, SLOT(setChecked(bool))); - } else { - fullScreenButton->setEnabled(false); - } - - QPushButton *colorButton = new QPushButton(tr("Color Options...")); - if (videoWidget) - connect(colorButton, SIGNAL(clicked()), this, SLOT(showColorDialog())); - else - colorButton->setEnabled(false); - - QBoxLayout *displayLayout = new QHBoxLayout; - if (videoWidget) - displayLayout->addWidget(videoWidget, 2); - else - displayLayout->addWidget(coverLabel, 2); - displayLayout->addWidget(playlistView); - - QBoxLayout *controlLayout = new QHBoxLayout; - controlLayout->setMargin(0); - controlLayout->addWidget(openButton); - controlLayout->addStretch(1); - controlLayout->addWidget(controls); - controlLayout->addStretch(1); - controlLayout->addWidget(fullScreenButton); - controlLayout->addWidget(colorButton); - - QBoxLayout *layout = new QVBoxLayout; - layout->addLayout(displayLayout); - layout->addWidget(slider); - layout->addLayout(controlLayout); - - setLayout(layout); - - metaDataChanged(); -} - -Player::~Player() -{ - delete playlist; - delete player; -} - -void Player::open() -{ - QStringList fileNames = QFileDialog::getOpenFileNames(); - foreach (QString const &fileName, fileNames) - playlist->appendItem(QUrl::fromLocalFile(fileName)); -} - -void Player::durationChanged(qint64 duration) -{ - slider->setMaximum(duration / 1000); -} - -void Player::positionChanged(qint64 progress) -{ - slider->setValue(progress / 1000); -} - -void Player::metaDataChanged() -{ - //qDebug() << "update metadata" << player->metaData(QtMultimedia::MetaData::Title).toString(); - if (player->isMetaDataAvailable()) { - setTrackInfo(QString("%1 - %2") - .arg(player->metaData(QtMultimedia::MetaData::AlbumArtist).toString()) - .arg(player->metaData(QtMultimedia::MetaData::Title).toString())); - - if (coverLabel) { - QUrl url = player->metaData(QtMultimedia::MetaData::CoverArtUrlLarge).value<QUrl>(); - - coverLabel->setPixmap(!url.isEmpty() - ? QPixmap(url.toString()) - : QPixmap()); - } - } -} - -void Player::jump(const QModelIndex &index) -{ - if (index.isValid()) { - playlist->setCurrentPosition(index.row()); - } -} - -void Player::playlistPositionChanged(int currentItem) -{ - playlistView->setCurrentIndex(playlistModel->index(currentItem, 0)); -} - -void Player::seek(int seconds) -{ - player->setPosition(seconds * 1000); -} - -void Player::statusChanged(QMediaPlayer::MediaStatus status) -{ - switch (status) { - case QMediaPlayer::UnknownMediaStatus: - case QMediaPlayer::NoMedia: - case QMediaPlayer::LoadedMedia: - case QMediaPlayer::BufferingMedia: - case QMediaPlayer::BufferedMedia: -#ifndef QT_NO_CURSOR - unsetCursor(); -#endif - setStatusInfo(QString()); - break; - case QMediaPlayer::LoadingMedia: -#ifndef QT_NO_CURSOR - setCursor(QCursor(Qt::BusyCursor)); -#endif - setStatusInfo(tr("Loading...")); - break; - case QMediaPlayer::StalledMedia: -#ifndef QT_NO_CURSOR - setCursor(QCursor(Qt::BusyCursor)); -#endif - break; - case QMediaPlayer::EndOfMedia: -#ifndef QT_NO_CURSOR - unsetCursor(); -#endif - setStatusInfo(QString()); - QApplication::alert(this); - break; - case QMediaPlayer::InvalidMedia: -#ifndef QT_NO_CURSOR - unsetCursor(); -#endif - setStatusInfo(player->errorString()); - break; - } -} - -void Player::bufferingProgress(int progress) -{ - setStatusInfo(tr("Buffering %4%%").arg(progress)); -} - -void Player::setTrackInfo(const QString &info) -{ - trackInfo = info; - - if (!statusInfo.isEmpty()) - setWindowTitle(QString("%1 | %2").arg(trackInfo).arg(statusInfo)); - else - setWindowTitle(trackInfo); - -} - -void Player::setStatusInfo(const QString &info) -{ - statusInfo = info; - - if (!statusInfo.isEmpty()) - setWindowTitle(QString("%1 | %2").arg(trackInfo).arg(statusInfo)); - else - setWindowTitle(trackInfo); -} - -void Player::showColorDialog() -{ - if (!colorDialog) { - QSlider *brightnessSlider = new QSlider(Qt::Horizontal); - brightnessSlider->setRange(-100, 100); - brightnessSlider->setValue(videoWidget->brightness()); - connect(brightnessSlider, SIGNAL(sliderMoved(int)), videoWidget, SLOT(setBrightness(int))); - connect(videoWidget, SIGNAL(brightnessChanged(int)), brightnessSlider, SLOT(setValue(int))); - - QSlider *contrastSlider = new QSlider(Qt::Horizontal); - contrastSlider->setRange(-100, 100); - contrastSlider->setValue(videoWidget->contrast()); - connect(contrastSlider, SIGNAL(sliderMoved(int)), videoWidget, SLOT(setContrast(int))); - connect(videoWidget, SIGNAL(contrastChanged(int)), contrastSlider, SLOT(setValue(int))); - - QSlider *hueSlider = new QSlider(Qt::Horizontal); - hueSlider->setRange(-100, 100); - hueSlider->setValue(videoWidget->hue()); - connect(hueSlider, SIGNAL(sliderMoved(int)), videoWidget, SLOT(setHue(int))); - connect(videoWidget, SIGNAL(hueChanged(int)), hueSlider, SLOT(setValue(int))); - - QSlider *saturationSlider = new QSlider(Qt::Horizontal); - saturationSlider->setRange(-100, 100); - saturationSlider->setValue(videoWidget->saturation()); - connect(saturationSlider, SIGNAL(sliderMoved(int)), videoWidget, SLOT(setSaturation(int))); - connect(videoWidget, SIGNAL(saturationChanged(int)), saturationSlider, SLOT(setValue(int))); - - QFormLayout *layout = new QFormLayout; - layout->addRow(tr("Brightness"), brightnessSlider); - layout->addRow(tr("Contrast"), contrastSlider); - layout->addRow(tr("Hue"), hueSlider); - layout->addRow(tr("Saturation"), saturationSlider); - - colorDialog = new QDialog(this); - colorDialog->setWindowTitle(tr("Color Options")); - colorDialog->setLayout(layout); - } - colorDialog->show(); -} |