V4L2_CID_USER_BTTV_BASE
#define V4L2_CID_PRIVATE_COMBFILTER (V4L2_CID_USER_BTTV_BASE + 0)
#define V4L2_CID_PRIVATE_AUTOMUTE (V4L2_CID_USER_BTTV_BASE + 1)
#define V4L2_CID_PRIVATE_LUMAFILTER (V4L2_CID_USER_BTTV_BASE + 2)
#define V4L2_CID_PRIVATE_AGC_CRUSH (V4L2_CID_USER_BTTV_BASE + 3)
#define V4L2_CID_PRIVATE_VCR_HACK (V4L2_CID_USER_BTTV_BASE + 4)
#define V4L2_CID_PRIVATE_WHITECRUSH_LOWER (V4L2_CID_USER_BTTV_BASE + 5)
#define V4L2_CID_PRIVATE_WHITECRUSH_UPPER (V4L2_CID_USER_BTTV_BASE + 6)
#define V4L2_CID_PRIVATE_UV_RATIO (V4L2_CID_USER_BTTV_BASE + 7)
#define V4L2_CID_PRIVATE_FULL_LUMA_RANGE (V4L2_CID_USER_BTTV_BASE + 8)
#define V4L2_CID_PRIVATE_CORING (V4L2_CID_USER_BTTV_BASE + 9)