void useFlatInput(MovitPixelFormat pix_fmt, unsigned width, unsigned height);
void useYCbCrInput(const ImageFormat& image_format, const YCbCrFormat& ycbcr_format, unsigned width, unsigned height);
void set_pixel_data(const unsigned char* data);
+ void invalidate_pixel_data();
private:
unsigned m_width, m_height;