parse_nth_allocation_param

Description:

public void parse_nth_allocation_param (uint index, out Allocator allocator, out unowned AllocationParams @params)

Parse an available query and get the allocator and its params at index of the allocator array.

this	a GST_QUERY_ALLOCATION type query Query
index	position in the allocator array to read
allocator	variable to hold the result
params	parameters for the allocator