Static$gtypea copy of the GstGL.GLAllocationParams specified by src
the destination GstGL.GLAllocationParams
Frees the GstGL.GLAllocationParams and all associated data.
Frees the dynamically allocated data in params. Direct subclasses
should call this function in their own overridden free function.
Copies the dynamically allocated data from
srctodest. Direct subclasses should call this function in their own overridden copy function.