Sets the GstFourcc pointed to by value corresponding to the value of the given field. Caller is responsible for making sure the field exists and has the correct type.
the name of a field
a pointer to a GstFourcc to set
TRUE if the value could be set correctly. If there was no field with fieldname or the existing field did not contain a fourcc, this function FALSE.
See Implementation
Sets the GstFourcc pointed to by value corresponding to the value of the given field. Caller is responsible for making sure the field exists and has the correct type.