#include "mainwindow.h"
#include "ui_mainwindow.h"

#include "commonhelper.h"
#include "frameless_helper.h"
#include <QDebug>
#include <QImage>


MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::MainWindow)
{
    ui->setupUi(this);

    m_nImageWidth = 1920;
    m_nImageHeight = 1080;

    InitStyle();
    m_pVlcModule = new GdVlcModule;
    GdVlcModule::Init(0, NULL);

}

MainWindow::~MainWindow()
{

    if (m_pVlcModule)
    {
        if (m_pVlcModule->IsPlay())
        {
            m_pVlcModule->StopVideoPlay();
        }
        delete m_pVlcModule;
        m_pVlcModule = NULL;
    }
    GdVlcModule::UnInit();
    delete ui;
}
void MainWindow::InitStyle()
{

    //安装事件监听器,让标题栏识别鼠标双击

    /*
    this->setWindowFlags(/*Qt::FramelessWindowHint |*
                         Qt::WindowTitleHint |
                         Qt::WindowSystemMenuHint);
*/
    FramelessHelper *pHelper = new FramelessHelper(this);
    pHelper->activateOn(this);  //激活当前窗体


    CommonHelper::SetStyle("blue");//"blue"//"dark"
}
void MainWindow::on_pushButton_clicked()
{
    QString strUrl = ui->lineEdit->text();
    if (strUrl.isEmpty())
    {
        return;
    }

    QByteArray varByteArr = strUrl.toUtf8();
    char* cUrl = varByteArr.data();
    QString strText = ui->pushButton->text();
    if ("开始预览" == strText)
    {
        VIDEO_PLAY_PARAM stParam;
        stParam.pUserData = this;
#ifdef USE_WINDOW_HAND
        stParam.ePlayMode = VideoPlayModeWindow;
        stParam.pWindowHand = (void*)ui->widget->winId();
        stParam.pVideoCallback = NULL;
#else
        stParam.ePlayMode = VideoPlayModeCallbackData;
        stParam.pWindowHand = NULL;
        stParam.pVideoCallback = &MainWindow::VideoDataCallback;

        //创建openglview
        m_pVideoOpenGLView = new OpenGLView;
        m_pVideoOpenGLView->Init(m_nImageWidth, m_nImageHeight);
        QVBoxLayout* layoutVL = new QVBoxLayout(ui->widget);
        layoutVL->addWidget(m_pVideoOpenGLView);
        layoutVL->setMargin(0);
        layoutVL->setSpacing(0);

#endif

        if (VLCMODULE_FAILED(m_pVlcModule->StartVideoPlay(cUrl, stParam)))
        {
            CommonHelper::ShowMessageBoxError("预览失败，请检查网络连接", this);
            return;
        }
        ui->pushButton->setText("停止预览");
    }
    else if ("停止预览" == strText)
    {
        if (m_pVlcModule->IsPlay())
        {
            m_pVlcModule->StopVideoPlay();
        }
        ui->pushButton->setText("开始预览");
    }
}
void MainWindow::VideoDataCallback(unsigned char* pFrame, long lFrameWidth, long lFrameHeight, long lFrameSize, VideoDataFormat eType, void* pUser)
{
    MainWindow* pMain = (MainWindow*)pUser;
    if (pMain)
    {
        pMain->ProcessVideoDataCallback(pFrame, lFrameWidth, lFrameHeight, lFrameSize, eType);
    }
}
void MainWindow::ProcessVideoDataCallback(unsigned char* pFrame, long lFrameWidth, long lFrameHeight, long lFrameSize, VideoDataFormat eType)
{

    if (lFrameWidth != m_nImageWidth || lFrameHeight != m_nImageHeight)
    {
        m_nImageWidth = lFrameWidth;
        m_nImageHeight = lFrameHeight;
        m_pVideoOpenGLView->Init(m_nImageWidth, m_nImageHeight);
    }

    QImage::Format imgFmt = QImage::Format_RGBA8888;

    QImage varImage = QImage(pFrame, lFrameWidth, lFrameHeight, imgFmt);


    m_pVideoOpenGLView->UpdateImageData(varImage.bits());


}