求助：有关DVSDK中YUV格式的疑问

typedef enum {
ColorSpace_NOTSET = -1,

/**
* @brief YUV 420 semi planar corresponding to V4L2_PIX_FMT_NV12 in v4l2.
* This format consists of two planes: one with the Y component
* and one with the CbCr components interleaved (hence semi).
* See the LSP documentation for a thorough description of this
* format.
*/
ColorSpace_YUV420PSEMI = 0,

/**
* @brief YUV 422 semi planar corresponding to V4L2_PIX_FMT_YUV422UVP. This
* format was added to v4l2 by TI because the dm6467 VDCE and VPSS
* peripherals use this format. The format consists of two planes:
* one with the Y component and one with the CbCr components
* interleaved (hence semi) See the LSP VDCE documentation for a
* thorough description of this format.
*/
ColorSpace_YUV422PSEMI,

/** @brief YUV 422 interleaved corresponding to V4L2_PIX_FMT_UYVY in v4l2 */
ColorSpace_UYVY,
/** @brief RGB 888 packed corresponding to V4L2_PIX_FMT_RGB24 in v4l2 */
ColorSpace_RGB888,

/** @brief RGB 565 packed corresponding to V4L2_PIX_FMT_RGB565 in v4l2 */
ColorSpace_RGB565,

/**
* @brief 2 bits per pixel. This is the format used by the VDCE for the
* bitmap while blending and is documented in the VDCE peripheral
* guide.
*/
ColorSpace_2BIT,
/**
* @brief YUV 420 planar. The format consists of three planes:
* one with the Y component, one Cb, and one Cr component.
*/
ColorSpace_YUV420P,
/**
* @brief YUV 422 planar. The format consists of three planes:
* one with the Y component, one Cb, and one Cr component.
*/
ColorSpace_YUV422P,

/**
* @brief YUV 444 planar. The format consists of three planes:
* one with the Y component, one Cb, and one Cr component.
*/
ColorSpace_YUV444P,
/**
* @brief Gray Scale. The format consist of single Luma plane
* ignoring the color plane components. * */
ColorSpace_GRAY,

ColorSpace_COUNT
} ColorSpace_Type;