void VideoThread::play()
{
if(!m_inited)
{
//qDebug() << "VideoThread::play(): not inited";
return;
}
m_status = Running;
if(m_readTimer && m_readTimer->isActive())
{
//qDebug() << "VideoThread::play(): timer active";
m_total_runtime += m_run_time.restart();
}
else
{
if(m_readTimer)
m_readTimer->start();
m_run_time.start();
//qDebug() << "VideoThread::play(): starting timer";
}
//m_readTimer->start();
//m_video_decoder->decode(); // start decoding again
emit movieStateChanged(QMovie::Running);
}
void QVideo::pause()
{
m_status = Paused;
m_total_runtime += m_run_time.elapsed();
//qDebug() << "QVideo::pause(): m_total_runtime:"<<m_total_runtime;
//emit startDecode();
killTimer(m_play_timer);
m_play_timer = 0;
emit movieStateChanged(QMovie::Paused);
}
void VideoThread::pause()
{
//qDebug() << "VideoThread::pause()";
m_status = Paused;
m_total_runtime += m_run_time.elapsed();
//qDebug() << "QVideo::pause(): m_total_runtime:"<<m_total_runtime;
//emit startDecode();
if(m_inited)
m_readTimer->stop();
emit movieStateChanged(QMovie::Paused);
}
void VideoThread::stop()
{
//qDebug() << "VideoThread::stop()";
seek(0, AVSEEK_FLAG_BACKWARD);
m_status = NotRunning;
m_readTimer->stop();
// Since there is no stop() or pause(), we dont need to touch m_run_time right now - it will be reset in play()
m_total_runtime = 0;
emit movieStateChanged(QMovie::NotRunning);
}
ImagePlayer::ImagePlayer(QWidget *parent, QString name )
: QWidget(parent)
, surface(0)
, playButton(0)
, positionSlider(0)
{
connect(&movie, SIGNAL(stateChanged(QMovie::MovieState)),
this, SLOT(movieStateChanged(QMovie::MovieState)));
connect(&movie, SIGNAL(frameChanged(int)),
this, SLOT(frameChanged(int)));
ImageWidget *imageWidget = new ImageWidget( parent );
surface = imageWidget->videoSurface();
playButton = new QPushButton;
playButton->setEnabled(false);
playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPlay));
connect(playButton, SIGNAL(clicked()),
this, SLOT(play()));
positionSlider = new QSlider(Qt::Horizontal);
positionSlider->setRange(0, 0);
connect(positionSlider, SIGNAL(sliderMoved(int)),
this, SLOT(setPosition(int)));
connect(&movie, SIGNAL(frameChanged(int)),
positionSlider, SLOT(setValue(int)));
QBoxLayout *controlLayout = new QHBoxLayout;
controlLayout->setMargin(0);
//controlLayout->addWidget(openButton);
controlLayout->addWidget(playButton);
controlLayout->addWidget(positionSlider);
QBoxLayout *layout = new QVBoxLayout;
layout->addWidget( imageWidget );
layout->addLayout( controlLayout );
setLayout(layout);
//
_name = name;
openFile();
}
void QVideo::play()
{
m_status = Running;
if(m_play_timer)
{
m_total_runtime += m_run_time.restart();
killTimer(m_play_timer);
}
else
{
m_run_time.start();
}
m_play_timer = startTimer(1);
//m_video_decoder->decode(); // start decoding again
emit movieStateChanged(QMovie::Running);
}
int VideoPlayer::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
{
_id = QWidget::qt_metacall(_c, _id, _a);
if (_id < 0)
return _id;
if (_c == QMetaObject::InvokeMetaMethod) {
switch (_id) {
case 0: openFile(); break;
case 1: play(); break;
case 2: movieStateChanged((*reinterpret_cast< QMovie::MovieState(*)>(_a[1]))); break;
case 3: frameChanged((*reinterpret_cast< int(*)>(_a[1]))); break;
case 4: setPosition((*reinterpret_cast< int(*)>(_a[1]))); break;
default: ;
}
_id -= 5;
}
return _id;
}
void QVideo::stop()
{
if(m_video_decoder && m_video_loaded)
{
//m_video_decoder->restart();
m_video_decoder->flushBuffers();
seek(0, AVSEEK_FLAG_BACKWARD);
}
m_status = NotRunning;
killTimer(m_play_timer);
m_play_timer = 0;
// Since there is no stop() or pause(), we dont need to touch m_run_time right now - it will be reset in play()
m_total_runtime = 0;
emit movieStateChanged(QMovie::NotRunning);
}
VideoPlayer::VideoPlayer(QWidget *parent, Qt::WindowFlags flags)
: QWidget(parent, flags)
, videoItem(0)
, playButton(0)
, positionSlider(0)
{
connect(&movie, SIGNAL(stateChanged(QMovie::MovieState)),
this, SLOT(movieStateChanged(QMovie::MovieState)));
connect(&movie, SIGNAL(frameChanged(int)),
this, SLOT(frameChanged(int)));
videoItem = new VideoItem;
QGraphicsScene *scene = new QGraphicsScene(this);
QGraphicsView *graphicsView = new QGraphicsView(scene);
#ifndef QT_NO_OPENGL
graphicsView->setViewport(new QGLWidget);
#endif
scene->addItem(videoItem);
QSlider *rotateSlider = new QSlider(Qt::Horizontal);
rotateSlider->setRange(-180, 180);
rotateSlider->setValue(0);
connect(rotateSlider, SIGNAL(valueChanged(int)),
this, SLOT(rotateVideo(int)));
QAbstractButton *openButton = new QPushButton(tr("Open..."));
connect(openButton, SIGNAL(clicked()), this, SLOT(openFile()));
playButton = new QPushButton;
playButton->setEnabled(false);
playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPlay));
connect(playButton, SIGNAL(clicked()),
this, SLOT(play()));
positionSlider = new QSlider(Qt::Horizontal);
positionSlider->setRange(0, 0);
connect(positionSlider, SIGNAL(sliderMoved(int)),
this, SLOT(setPosition(int)));
connect(&movie, SIGNAL(frameChanged(int)),
positionSlider, SLOT(setValue(int)));
QBoxLayout *controlLayout = new QHBoxLayout;
controlLayout->setMargin(0);
controlLayout->addWidget(openButton);
controlLayout->addWidget(playButton);
controlLayout->addWidget(positionSlider);
QBoxLayout *layout = new QVBoxLayout;
layout->addWidget(graphicsView);
layout->addWidget(rotateSlider);
layout->addLayout(controlLayout);
setLayout(layout);
}
