FUNCTION:
    liveinput

VERSION:
    1.0-fix3

DESCRIPTION:
    Live video input source.

NOTES:
    Depends on IO driver functionality.

PARAMETRS:

    'l_input' - number of input (1..4)

    'L_center' - centering of image

    'l_flip_v' - flag to vertical flip

    'l_flip_h' - flag to horozontal flip

    'l_offset_y' - texture field number depend dribling (-1, 0, 1)

    'f_offset_y' - rect coordinate Y field number depend dribling [-1.0 .. 1.0]

    'f_x1' - X of left bottom corner (free transorm mode)

    'f_y1' - Y of left bottom corner (free transorm mode)

    'f_z1' - Z of left bottom corner (free transorm mode)

    'f_x2' - X of left upper corner (free transorm mode)

    'f_y2' - Y of left upper corner (free transorm mode)

    'f_z2' - Z of left upper corner (free transorm mode)

    'f_x3' - X of right upper corner (free transorm mode)

    'f_y3' - Y of right upper corner (free transorm mode)

    'f_z3' - Z of right upper corner (free transorm mode)

    'f_x4' - X of right bottom corner (free transorm mode)

    'f_y4' - Y of right bottom corner (free transorm mode)

    'f_z4' - Z of right bottom corner (free transorm mode)

    'l_tr_lod' - Level of triangulation (free transorm mode)

    'l_audio_mute' - Mute audio flag

    'f_audio_level' - Audio mixer level, db (0.0 - no change)