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#include "LVideoLabel.h"
#include <QTimer>
LVideoLabel::LVideoLabel(QString file, QWidget *parent) : QLabel(parent) {
this->setScaledContents(true);
this->setPixmap(thumbnail); //blank pixmap by default
entered = false;
filepath = file;
QTimer::singleShot(0, this, SLOT(initializeBackend()) );
}
LVideoLabel::~LVideoLabel() {
}
void LVideoLabel::setShrinkPixmap(bool shrink) {
this->shrink = shrink;
}
void LVideoLabel::initializeBackend(){
mediaPlayer = new QMediaPlayer(this, QMediaPlayer::VideoSurface);
surface = new LVideoSurface(this);
mediaPlayer->setVideoOutput(surface);
mediaPlayer->setPlaybackRate(3);
mediaPlayer->setMuted(true);
mediaPlayer->setMedia(QUrl::fromLocalFile(filepath));
mediaPlayer->play();
mediaPlayer->pause();
this->connect(surface, SIGNAL(frameReceived(QPixmap)), this, SLOT(stopVideo(QPixmap)));
this->connect(mediaPlayer, SIGNAL(mediaStatusChanged(QMediaPlayer::MediaStatus)), this, SLOT(setDuration(QMediaPlayer::MediaStatus)));
this->connect(this, SIGNAL(rollOver()), surface, SLOT(switchRollOver()));
}
void LVideoLabel::stopVideo(QPixmap pix) {
if(!entered) {
emit frameReceived(pix);
if(thumbnail.isNull())
thumbnail = pix;
this->setPixmap((shrink) ? thumbnail.scaledToHeight(64) : thumbnail);
mediaPlayer->pause();
}else {
this->setPixmap((shrink) ? pix.scaledToHeight(64) : pix);
}
}
void LVideoLabel::setDuration(QMediaPlayer::MediaStatus status) {
if(status == QMediaPlayer::BufferedMedia) {
mediaPlayer->setPosition(mediaPlayer->duration() / 2);
mediaPlayer->play();
}
}
void LVideoLabel::enterEvent(QEvent *event) {
entered=true;
emit rollOver();
mediaPlayer->setPosition(0);
mediaPlayer->play();
QLabel::enterEvent(event);
}
void LVideoLabel::leaveEvent(QEvent *event) {
entered=false;
mediaPlayer->setPosition(mediaPlayer->duration() / 2);
emit rollOver();
QLabel::leaveEvent(event);
}
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