supportedColorSpaces()
Returns the supported color spaces in an extension.
Declaration
func supportedColorSpaces() -> [NSNumber]!Return Value
An array of supported color spaces from the eCEColorSpace enumeration.
Discussion
If there is no implementation for this method, the Compressor app assumes eCEColorSpaceDeviceRGB, eCEColorSpace601NTSC, and eCEColorSpace709 for the supported color spaces.