#ifndef PLAYEROPENGLWIDGET_H
#define PLAYEROPENGLWIDGET_H


#include <QOpenGLWidget>
#include <QOpenGLFunctions>
#include <QOpenGLShaderProgram>
#include <QOpenGLTexture>
#include <QTimer>

#include "PlayerGlobalInfo.h"


class PlayerGLWidget : public QOpenGLWidget , public QOpenGLFunctions
{
    Q_OBJECT
public:
    explicit PlayerGLWidget(QWidget *parent = nullptr);
    ~PlayerGLWidget();

    /* 刷新一帧 */
    void updateFrame(Image_YUV420& image);

public slots:
    void updateYUVData(const QByteArray &y, const QByteArray &u, const QByteArray &v) {
        yData = y;
        uData = u;
        vData = v;
        update();
    }

private:
    void initShaders();
    void initTextures();
    void initVertex();
    void initFrameBuffer();

    void renderYUV420P();

protected:
    void initializeGL() override;
    void resizeGL(int w, int h) override;
    void paintGL() override;

private:

    QOpenGLShaderProgram program;
    QOpenGLTexture *textureY = nullptr;
    QOpenGLTexture *textureU = nullptr;
    QOpenGLTexture *textureV = nullptr;

    QByteArray yData;
    QByteArray uData;
    QByteArray vData;

};

#endif /* PLAYEROPENGLWIDGET_H */