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Diffstat (limited to 'examples/player/player.cpp')
| -rw-r--r-- | examples/player/player.cpp | 418 |
1 files changed, 0 insertions, 418 deletions
diff --git a/examples/player/player.cpp b/examples/player/player.cpp deleted file mode 100644 index 8b822e1..0000000 --- a/examples/player/player.cpp +++ /dev/null @@ -1,418 +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 "player.h" - -#include "playercontrols.h" -#include "playlistmodel.h" - -#include <qmediaservice.h> -#include <qmediaplaylist.h> - -#include <QtWidgets> - - -Player::Player(QWidget *parent) - : QWidget(parent) - , videoWidget(0) - , coverLabel(0) - , slider(0) -#ifndef PLAYER_NO_COLOROPTIONS - , colorDialog(0) -#endif -{ -//! [create-objs] - player = new QMediaPlayer(this); - // owned by PlaylistModel - playlist = new QMediaPlaylist(); - player->setPlaylist(playlist); -//! [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(currentIndexChanged(int)), SLOT(playlistPositionChanged(int))); - connect(player, SIGNAL(mediaStatusChanged(QMediaPlayer::MediaStatus)), - this, SLOT(statusChanged(QMediaPlayer::MediaStatus))); - connect(player, SIGNAL(bufferStatusChanged(int)), this, SLOT(bufferingProgress(int))); - connect(player, SIGNAL(videoAvailableChanged(bool)), this, SLOT(videoAvailableChanged(bool))); - connect(player, SIGNAL(error(QMediaPlayer::Error)), this, SLOT(displayErrorMessage())); - -//! [2] - videoWidget = new VideoWidget(this); - player->setVideoOutput(videoWidget); - - playlistModel = new PlaylistModel(this); - playlistModel->setPlaylist(playlist); -//! [2] - - playlistView = new QListView(this); - playlistView->setModel(playlistModel); - playlistView->setCurrentIndex(playlistModel->index(playlist->currentIndex(), 0)); - - connect(playlistView, SIGNAL(activated(QModelIndex)), this, SLOT(jump(QModelIndex))); - - slider = new QSlider(Qt::Horizontal, this); - slider->setRange(0, player->duration() / 1000); - - labelDuration = new QLabel(this); - connect(slider, SIGNAL(sliderMoved(int)), this, SLOT(seek(int))); - - - QPushButton *openButton = new QPushButton(tr("Open"), this); - - connect(openButton, SIGNAL(clicked()), this, SLOT(open())); - - PlayerControls *controls = new PlayerControls(this); - 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()), this, SLOT(previousClicked())); - 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(controls, SIGNAL(stop()), videoWidget, SLOT(update())); - - connect(player, SIGNAL(stateChanged(QMediaPlayer::State)), - controls, SLOT(setState(QMediaPlayer::State))); - connect(player, SIGNAL(volumeChanged(int)), controls, SLOT(setVolume(int))); - connect(player, SIGNAL(mutedChanged(bool)), controls, SLOT(setMuted(bool))); - - fullScreenButton = new QPushButton(tr("FullScreen"), this); - fullScreenButton->setCheckable(true); - -#ifndef PLAYER_NO_COLOROPTIONS - colorButton = new QPushButton(tr("Color Options..."), this); - colorButton->setEnabled(false); - connect(colorButton, SIGNAL(clicked()), this, SLOT(showColorDialog())); -#endif - - QBoxLayout *displayLayout = new QHBoxLayout; - displayLayout->addWidget(videoWidget, 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); -#ifndef PLAYER_NO_COLOROPTIONS - controlLayout->addWidget(colorButton); -#endif - - QBoxLayout *layout = new QVBoxLayout; - layout->addLayout(displayLayout); - QHBoxLayout *hLayout = new QHBoxLayout; - hLayout->addWidget(slider); - hLayout->addWidget(labelDuration); - layout->addLayout(hLayout); - layout->addLayout(controlLayout); - - setLayout(layout); - - if (!player->isAvailable()) { - QMessageBox::warning(this, tr("Service not available"), - tr("The QMediaPlayer object does not have a valid service.\n"\ - "Please check the media service plugins are installed.")); - - controls->setEnabled(false); - playlistView->setEnabled(false); - openButton->setEnabled(false); -#ifndef PLAYER_NO_COLOROPTIONS - colorButton->setEnabled(false); -#endif - fullScreenButton->setEnabled(false); - } - - metaDataChanged(); - - QStringList arguments = qApp->arguments(); - arguments.removeAt(0); - addToPlaylist(arguments); -} - -Player::~Player() -{ -} - -void Player::open() -{ - QStringList fileNames = QFileDialog::getOpenFileNames(this, tr("Open Files")); - addToPlaylist(fileNames); -} - -void Player::addToPlaylist(const QStringList& fileNames) -{ - foreach (QString const &argument, fileNames) { - QFileInfo fileInfo(argument); - if (fileInfo.exists()) { - QUrl url = QUrl::fromLocalFile(fileInfo.absoluteFilePath()); - if (fileInfo.suffix().toLower() == QLatin1String("m3u")) { - playlist->load(url); - } else - playlist->addMedia(url); - } else { - QUrl url(argument); - if (url.isValid()) { - playlist->addMedia(url); - } - } - } -} - -void Player::durationChanged(qint64 duration) -{ - this->duration = duration/1000; - slider->setMaximum(duration / 1000); -} - -void Player::positionChanged(qint64 progress) -{ - if (!slider->isSliderDown()) { - slider->setValue(progress / 1000); - } - updateDurationInfo(progress / 1000); -} - -void Player::metaDataChanged() -{ - //qDebug() << "update metadata" << player->metaData(QtMultimedia::Title).toString(); - if (player->isMetaDataAvailable()) { - setTrackInfo(QString("%1 - %2") - .arg(player->metaData(QtMultimedia::AlbumArtist).toString()) - .arg(player->metaData(QtMultimedia::Title).toString())); - - if (coverLabel) { - QUrl url = player->metaData(QtMultimedia::CoverArtUrlLarge).value<QUrl>(); - - coverLabel->setPixmap(!url.isEmpty() - ? QPixmap(url.toString()) - : QPixmap()); - } - } -} - -void Player::previousClicked() -{ - // Go to previous track if we are within the first 5 seconds of playback - // Otherwise, seek to the beginning. - if(player->position() <= 5000) - playlist->previous(); - else - player->setPosition(0); -} - -void Player::jump(const QModelIndex &index) -{ - if (index.isValid()) { - playlist->setCurrentIndex(index.row()); - player->play(); - } -} - -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) -{ - handleCursor(status); - - // handle status message - switch (status) { - case QMediaPlayer::UnknownMediaStatus: - case QMediaPlayer::NoMedia: - case QMediaPlayer::LoadedMedia: - case QMediaPlayer::BufferingMedia: - case QMediaPlayer::BufferedMedia: - setStatusInfo(QString()); - break; - case QMediaPlayer::LoadingMedia: - setStatusInfo(tr("Loading...")); - break; - case QMediaPlayer::StalledMedia: - setStatusInfo(tr("Media Stalled")); - break; - case QMediaPlayer::EndOfMedia: - QApplication::alert(this); - break; - case QMediaPlayer::InvalidMedia: - displayErrorMessage(); - break; - } -} - -void Player::handleCursor(QMediaPlayer::MediaStatus status) -{ -#ifndef QT_NO_CURSOR - if( status == QMediaPlayer::LoadingMedia || - status == QMediaPlayer::BufferingMedia || - status == QMediaPlayer::StalledMedia) - setCursor(QCursor(Qt::BusyCursor)); - else - unsetCursor(); -#endif -} - -void Player::bufferingProgress(int progress) -{ - setStatusInfo(tr("Buffering %4%").arg(progress)); -} - -void Player::videoAvailableChanged(bool available) -{ - if (!available) { - disconnect(fullScreenButton, SIGNAL(clicked(bool)), - videoWidget, SLOT(setFullScreen(bool))); - disconnect(videoWidget, SIGNAL(fullScreenChanged(bool)), - fullScreenButton, SLOT(setChecked(bool))); - videoWidget->setFullScreen(false); - } else { - connect(fullScreenButton, SIGNAL(clicked(bool)), - videoWidget, SLOT(setFullScreen(bool))); - connect(videoWidget, SIGNAL(fullScreenChanged(bool)), - fullScreenButton, SLOT(setChecked(bool))); - - if (fullScreenButton->isChecked()) - videoWidget->setFullScreen(true); - } -#ifndef PLAYER_NO_COLOROPTIONS - colorButton->setEnabled(available); -#endif -} - -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::displayErrorMessage() -{ - setStatusInfo(player->errorString()); -} - -void Player::updateDurationInfo(qint64 currentInfo) -{ - QString tStr; - if (currentInfo || duration) { - QTime currentTime((currentInfo/3600)%60, (currentInfo/60)%60, currentInfo%60, (currentInfo*1000)%1000); - QTime totalTime((duration/3600)%60, (duration/60)%60, duration%60, (duration*1000)%1000); - QString format = "mm:ss"; - if (duration > 3600) - format = "hh:mm:ss"; - tStr = currentTime.toString(format) + " / " + totalTime.toString(format); - } - labelDuration->setText(tStr); -} - - -#ifndef PLAYER_NO_COLOROPTIONS -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); - - QPushButton *button = new QPushButton(tr("Close")); - layout->addRow(button); - - colorDialog = new QDialog(this); - colorDialog->setWindowTitle(tr("Color Options")); - colorDialog->setLayout(layout); - - connect(button, SIGNAL(clicked()), colorDialog, SLOT(close())); - } - colorDialog->show(); -} -#endif |