Acquire a buffer from pool. buffer should point to a memory location that can hold a pointer to the new buffer. params can be NULL or contain optional parameters to influence the allocation.
a location for a GstBuffer. out
(transfer none) (allow-none) parameters.
a GstFlowReturn such as GST_FLOW_FLUSHING when the pool is inactive.
See Implementation
Acquire a buffer from pool. buffer should point to a memory location that can hold a pointer to the new buffer. params can be NULL or contain optional parameters to influence the allocation.