Indicates to the appsrc element that the last buffer queued in the element is the last buffer of the stream.
#GST_FLOW_OK when the EOS was successfuly queued. #GST_FLOW_FLUSHING when @appsrc is not PAUSED or PLAYING.
See Implementation
Indicates to the appsrc element that the last buffer queued in the element is the last buffer of the stream.