-enum BACKGROUND_MODE { BG_NONE = 0, BG_YUV = 1, BG_CHROMA = 2 };
+enum BACKGROUND_MODE { BG_NONE = 0, BG_YUV = 1, BG_CHROMA = 2, BG_YPbPr = 3 };
QImage renderBackground(uint accelerationFactor);
bool isHUDDependingOnInput() const;
bool isScopeDependingOnInput() const;
bool isBackgroundDependingOnInput() const;
QImage renderBackground(uint accelerationFactor);
bool isHUDDependingOnInput() const;
bool isScopeDependingOnInput() const;
bool isBackgroundDependingOnInput() const;
float m_gain;
QPoint m_centerPoint, pR75, pG75, pB75, pCy75, pMg75, pYl75;
float m_gain;
QPoint m_centerPoint, pR75, pG75, pB75, pCy75, pMg75, pYl75;
void slotGainChanged(int);
void slotBackgroundChanged();
void slotExportBackground();
void slotGainChanged(int);
void slotBackgroundChanged();
void slotExportBackground();