PayloadAPP/ffmpegvideodlg.cpp

#include "ffmpegvideodlg.h"
#include "ui_ffmpegvideodlg.h"

ffmpegvideoDlg::ffmpegvideoDlg(QWidget *parent)
    : QWidget(parent)
    , ui(new Ui::ffmpegvideoDlg)
{
    ui->setupUi(this);
    iniWindow();
    ffmpeg = new Cffmpeg_decode;
   // this->resize(640,480);

}

ffmpegvideoDlg::~ffmpegvideoDlg()
{
    if(ffmpeg->isRunning()){
        stop();
    }
    delete ffmpeg;
    delete ui;
}


 void ffmpegvideoDlg::iniWindow()
{

 }
void ffmpegvideoDlg::setUrl(QString url)
{
    ffmpeg->setUrl(url);
}

void ffmpegvideoDlg::play()
{
    QString VideoFilePath = QDir::currentPath()+"./Video";
    QDir VideoDir (VideoFilePath);
    if(!VideoDir.exists())
    {
        VideoDir.mkdir(VideoFilePath);
        qDebug()<<"文件夹创建成功";
    }



    if(!m_PlayStatus)
    { 
         connect(ffmpeg,SIGNAL(sendQImage(QImage)),this,SLOT(receiveQImage(QImage)));
         connect(ffmpeg,&Cffmpeg_decode::finished,ffmpeg,&Cffmpeg_decode::deleteLater);

     }

     if(!ffmpeg->isRunning())
    {

        ffmpeg->start();
    }


}

void ffmpegvideoDlg::stop()
{
    if(ffmpeg->isRunning() && !ffmpeg->IsstopPlay ){

        ffmpeg->IsstopPlay = true;
        ffmpeg->requestInterruption();
        ffmpeg->quit();
        ffmpeg->wait();

        ffmpeg = nullptr;


    }
    img.fill(Qt::black);
}

void ffmpegvideoDlg::paintEvent(QPaintEvent *)
{
    QPainter painter(this);
    painter.drawImage(0,0,img);
}

void ffmpegvideoDlg::receiveQImage(const QImage &rImg)
{
    img = rImg.scaled(this->size());
    update();
}

bool ffmpegvideoDlg::Isplay(bool  IsstopPlay)
{
    return ffmpeg->IsstopPlay = IsstopPlay;
}