39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
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#ifndef glyuvwidget_H
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#define glyuvwidget_H
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#include <QOpenGLWidget>
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#include <QOpenGLFunctions>
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#include <QOpenGLShaderProgram>
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#include <QOpenGLTexture>
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#include <QMatrix4x4>
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//QT_FORWARD_DECLARE_CLASS(QOpenGLShaderProgram)
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//QT_FORWARD_DECLARE_CLASS(QOpenGLTexture)
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class glyuvwidget : public QOpenGLWidget, protected QOpenGLFunctions
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{
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Q_OBJECT
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public:
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glyuvwidget(QWidget *parent);
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~glyuvwidget();
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public:
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void slotShowYuv(uchar *ptr,uint width,uint height); //显示一帧Yuv图像
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protected:
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void initializeGL() Q_DECL_OVERRIDE;
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void resizeGL(int w, int h) Q_DECL_OVERRIDE;
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void paintGL() Q_DECL_OVERRIDE;
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private:
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QOpenGLShaderProgram *m_pShaderProgram;
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//QOpenGLBuffer vbo;
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GLuint textureUniformY,textureUniformU,textureUniformV; //opengl中y、u、v分量位置
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// QOpenGLTexture *textureY = nullptr,*textureU = nullptr,*textureV = nullptr;
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GLuint id_y,id_u,id_v; //自己创建的纹理对象ID，创建错误返回0
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uint m_nVideoW,m_nVideoH;
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uchar *m_pBufYuv420p = nullptr;
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QMatrix4x4 projection;
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GLfloat vertices[8];//GLfloat
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};
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#endif // glyuvwidget_H
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