finish_subframe

Collects decoded data and pushes it downstream.

This function may be called multiple times for a given input frame.

buf may be NULL in which case it is assumed that the current input frame is finished. This is equivalent to calling finish_subframe with a NULL buffer and frames=1 after having pushed out all decoded audio subframes using this function.

When called with valid data in buf the source pad caps must have been set already.

Note that a frame received in handle_frame may be invalidated by a call to this function.

Parameters:

this	a Decoder
buf	decoded data

Returns:

a FlowReturn that should be escalated to caller (of caller)