V4L2_COLORSPACE_SMPTE170M
V4L2_COLORSPACE_SMPTE240M
V4L2_COLORSPACE_REC709
V4L2_COLORSPACE_BT878
V4L2_COLORSPACE_470_SYSTEM_M
V4L2_COLORSPACE_470_SYSTEM_BG
V4L2_COLORSPACE_JPEG
V4L2_COLORSPACE_SRGB