gst_qos_type_get_type
gst_query_add_allocation_meta
gst_query_add_allocation_param
gst_query_add_allocation_pool
gst_query_add_buffering_range
gst_query_add_scheduling_mode
gst_qos_type_get_type
gst_query_add_allocation_meta
gst_query_add_allocation_param
gst_query_add_allocation_pool
gst_query_add_buffering_range
gst_query_add_scheduling_mode