A Movie represents a video playback controller, which can be used like a Meta_Texture for display on materials and other surfaces.
Values for Idx_ColourSpace.
Colours assumed to be in whichever colour space currently defined by the application (Symbols - C: "ColourSpaceDefault", Lua: __Movie_ColourSpaceDefault)
Colours are in the sRGB gamma-corrected colour space (Symbols - C: "ColourSpacesRGB", Lua: __Movie_ColourSpacesRGB)
Colours are in the linear colour space (Symbols - C: "ColourSpaceLinearRGB", Lua: __Movie_ColourSpaceLinearRGB)