QMediaPlayer多窗口播放视频

#include "QMutPlayer.h" #include "ui_QMutPlayer.h" #include<QFileDialog> #include<QDebug> QMutPlayer::QMutPlayer(QWidget *parent) : QWidget(parent), ui(new Ui::QMutPlayer) { ui->setupUi(this); mVideoPlayer = new QMediaPlayer(this); mSurfacePlayer = new QMediaPlayer(this); mVideoSurface = new VideoSurface(this); mQmlWidget = new QmlLoadWidget(ui->lab_qmlwidget); mVideoWidget = new QVideoWidget(ui->lab_videowidget); mVideoPlayer->setVideoOutput(mVideoWidget); mSurfacePlayer->setVideoOutput(mVideoSurface); connect(mVideoSurface,SIGNAL(showImage(QImage)),SLOT(onShowImage(QImage))); } QMutPlayer::~QMutPlayer() { delete ui; } void QMutPlayer::on_btn_select_video_clicked() { QString fileName = QFileDialog::getOpenFileName(this, tr("Open File"),"", tr("video (*.mp4 *.wav *.avi)")); if(fileName.isEmpty()) return; mVideoPlayer->setMedia(QUrl(fileName)); mSurfacePlayer->setMedia(QUrl(fileName)); mVideoPlayer->play(); mSurfacePlayer->play(); } void QMutPlayer::onShowImage(QImage image) { mQmlWidget->addImage(image); QPixmap pixmap = QPixmap::fromImage(image); ui->lab_video_1->setPixmap(pixmap); ui->lab_video_2->setPixmap(pixmap); } void QMutPlayer::showEvent(QShowEvent *event) { Q_UNUSED(event) mVideoWidget->resize(ui->lab_videowidget->size()); mQmlWidget->resize(ui->lab_qmlwidget->size()); }