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() / SLIDER_DIVISOR);
labelDuration = new QLabel(this);
connect(slider, SIGNAL(sliderMoved(int)), this, SLOT(seek(int)));
labelHistogram = new QLabel(this);
labelHistogram->setText("Histogram:");
histogram = new HistogramWidget(this);
QHBoxLayout *histogramLayout = new QHBoxLayout;
histogramLayout->addWidget(labelHistogram);
histogramLayout->addWidget(histogram, 1);
probe = new QVideoProbe(this);
connect(probe, SIGNAL(videoFrameProbed(QVideoFrame)), histogram, SLOT(processFrame(QVideoFrame)));
probe->setSource(player);
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);
layout->addLayout(histogramLayout);
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(QWidget *parent)
: QWidget(parent)
, videoWidget(0)
, coverLabel(0)
, slider(0)
#ifndef PLAYER_NO_COLOROPTIONS
, colorDialog(0)
#endif
//, ioDevice(0)
{
//! [create-objs]
player = new QMediaPlayer(this);
// owned by PlaylistModel
//! [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(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);
//! [2]
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(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;
videoWidget->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
displayLayout->addWidget(videoWidget, 2);
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);
//openButton->setEnabled(false);
#ifndef PLAYER_NO_COLOROPTIONS
colorButton->setEnabled(false);
#endif
fullScreenButton->setEnabled(false);
}
metaDataChanged();
}