Subtracts the @subtrahend from the @minuend. > This function does not work reliably if optional properties for caps > are included on one caps and omitted on the other.
#GstCaps to subtract
the resulting caps
See Implementation
Subtracts the @subtrahend from the @minuend. > This function does not work reliably if optional properties for caps > are included on one caps and omitted on the other.