VideoPlayer.cpp

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// ======================================================================
//  VideoPlayer.cpp
// ======================================================================
//                   This file is a part of the book 
//             "Qt 5.10 Professional programming with C++"
//                       http://qt-book.com
// ======================================================================
//  Copyright (c) 2017 by Max Schlee
// ======================================================================

#include <QtWidgets>
#include <QVideoWidget>

#include "VideoPlayer.h"

// ----------------------------------------------------------------------
VideoPlayer::VideoPlayer(QWidget* pwgt/*=0*/) : SoundPlayer(pwgt)
{

    QVideoWidget* pvw = new QVideoWidget;
    pvw->setMinimumSize(300, 300);

    m_pvbxMainLayout->addWidget(pvw);    

    m_pmp->setVideoOutput(pvw);

    connect(m_pmp, SIGNAL(stateChanged(QMediaPlayer::State)), 
            SLOT(slotStateChanged(QMediaPlayer::State)));
}

// ----------------------------------------------------------------------
void 
VideoPlayer::slotStateChanged(QMediaPlayer::State st)
{
    if (st == QMediaPlayer::PlayingState) {
        resize(size() + QSize(1, 1));
        resize(size() - QSize(1, 1));
    }
}