| NTSC_XMAX = 640 | 
 | NTSC_YMAX = 480 | 
 | PAL_XMAX = 768 | 
 | PAL_YMAX = 576 | 
 | BLANKING_BUFFER_SIZE = 2 | 
 |  | 
 | MAX_SOURCES = 2 | 
 |  | 
 | # mode parameter for Bind calls | 
 | IN_OFF = 0                              # No Video | 
 | IN_OVER = 1                             # Video over graphics | 
 | IN_UNDER = 2                            # Video under graphics | 
 | IN_REPLACE = 3                          # Video replaces entire win | 
 |  | 
 | # mode parameters for LoadMap calls.  Specifies buffer, always 256 entries | 
 | INPUT_COLORMAP = 0                      # tuples of 8-bit RGB | 
 | CHROMA_KEY_MAP = 1                      # tuples of 8-bit RGB | 
 | COLOR_SPACE_MAP = 2                     # tuples of 8-bit RGB | 
 | GAMMA_MAP = 3                           # tuples of 24-bit red values | 
 |  | 
 | # mode parameters for UseExclusive calls | 
 | INPUT = 0 | 
 | OUTPUT = 1 | 
 | IN_OUT = 2 | 
 |  | 
 | # Format constants for the capture routines | 
 | RGB8_FRAMES = 0                         # noninterleaved 8 bit 3:2:3 RBG fields | 
 | RGB32_FRAMES = 1                        # 32-bit 8:8:8 RGB frames | 
 | YUV411_FRAMES = 2                       # interleaved, 8:2:2 YUV format | 
 | YUV411_FRAMES_AND_BLANKING_BUFFER = 3 | 
 |  | 
 | # | 
 | # sv.SetParam is passed variable length argument lists, | 
 | # consisting of <name, value> pairs.   The following | 
 | # constants identify argument names. | 
 | # | 
 | _NAME_BASE = 1000 | 
 | SOURCE = (_NAME_BASE + 0) | 
 | SOURCE1 = 0 | 
 | SOURCE2 = 1 | 
 | SOURCE3 = 2 | 
 | COLOR = (_NAME_BASE + 1) | 
 | DEFAULT_COLOR = 0 | 
 | USER_COLOR = 1 | 
 | MONO = 2 | 
 | OUTPUTMODE = (_NAME_BASE + 2) | 
 | LIVE_OUTPUT = 0 | 
 | STILL24_OUT = 1 | 
 | FREEZE = (_NAME_BASE + 3) | 
 | DITHER = (_NAME_BASE + 4) | 
 | OUTPUT_FILTER = (_NAME_BASE + 5) | 
 | HUE = (_NAME_BASE + 6) | 
 | GENLOCK = (_NAME_BASE + 7) | 
 | GENLOCK_OFF = 0 | 
 | GENLOCK_ON = 1 | 
 | GENLOCK_HOUSE = 2 | 
 | BROADCAST = (_NAME_BASE + 8) | 
 | NTSC = 0 | 
 | PAL = 1 | 
 | VIDEO_MODE = (_NAME_BASE + 9) | 
 | COMP = 0 | 
 | SVIDEO = 1 | 
 | INPUT_BYPASS = (_NAME_BASE + 10) | 
 | FIELDDROP = (_NAME_BASE + 11) | 
 | SLAVE = (_NAME_BASE + 12) | 
 | APERTURE_FACTOR = (_NAME_BASE + 13) | 
 | AFACTOR_0 = 0 | 
 | AFACTOR_QTR = 1 | 
 | AFACTOR_HLF = 2 | 
 | AFACTOR_ONE = 3 | 
 | CORING = (_NAME_BASE + 14) | 
 | COR_OFF = 0 | 
 | COR_1LSB = 1 | 
 | COR_2LSB = 2 | 
 | COR_3LSB = 3 | 
 | APERTURE_BANDPASS = (_NAME_BASE + 15) | 
 | ABAND_F0 = 0 | 
 | ABAND_F1 = 1 | 
 | ABAND_F2 = 2 | 
 | ABAND_F3 = 3 | 
 | PREFILTER = (_NAME_BASE + 16) | 
 | CHROMA_TRAP = (_NAME_BASE + 17) | 
 | CK_THRESHOLD = (_NAME_BASE + 18) | 
 | PAL_SENSITIVITY = (_NAME_BASE + 19) | 
 | GAIN_CONTROL = (_NAME_BASE + 20) | 
 | GAIN_SLOW = 0 | 
 | GAIN_MEDIUM = 1 | 
 | GAIN_FAST = 2 | 
 | GAIN_FROZEN = 3 | 
 | AUTO_CKILL = (_NAME_BASE + 21) | 
 | VTR_MODE = (_NAME_BASE + 22) | 
 | VTR_INPUT = 0 | 
 | CAMERA_INPUT = 1 | 
 | LUMA_DELAY = (_NAME_BASE + 23) | 
 | VNOISE = (_NAME_BASE + 24) | 
 | VNOISE_NORMAL = 0 | 
 | VNOISE_SEARCH = 1 | 
 | VNOISE_AUTO = 2 | 
 | VNOISE_BYPASS = 3 | 
 | CHCV_PAL = (_NAME_BASE + 25) | 
 | CHCV_NTSC = (_NAME_BASE + 26) | 
 | CCIR_LEVELS = (_NAME_BASE + 27) | 
 | STD_CHROMA = (_NAME_BASE + 28) | 
 | DENC_VTBYPASS = (_NAME_BASE + 29) | 
 | FAST_TIMECONSTANT = (_NAME_BASE + 30) | 
 | GENLOCK_DELAY = (_NAME_BASE + 31) | 
 | PHASE_SYNC = (_NAME_BASE + 32) | 
 | VIDEO_OUTPUT = (_NAME_BASE + 33) | 
 | CHROMA_PHASEOUT = (_NAME_BASE + 34) | 
 | CHROMA_CENTER = (_NAME_BASE + 35) | 
 | YUV_TO_RGB_INVERT = (_NAME_BASE + 36) | 
 | SOURCE1_BROADCAST = (_NAME_BASE + 37) | 
 | SOURCE1_MODE = (_NAME_BASE + 38) | 
 | SOURCE2_BROADCAST = (_NAME_BASE + 39) | 
 | SOURCE2_MODE = (_NAME_BASE + 40) | 
 | SOURCE3_BROADCAST = (_NAME_BASE + 41) | 
 | SOURCE3_MODE = (_NAME_BASE + 42) | 
 | SIGNAL_STD = (_NAME_BASE + 43) | 
 | NOSIGNAL = 2 | 
 | SIGNAL_COLOR = (_NAME_BASE + 44) |