signal callback delegate or function to connect
gst.types.FlowReturn callback(gst.buffer_list.BufferList bufferList, gstapp.app_src.AppSrc appSrc)
bufferList a buffer list to push (optional)
appSrc the instance the signal is connected to (optional)
Returns
Yes.After to execute callback after default handler, No.After to execute before (default)
Signal ID
Connect to PushBufferList signal.
Adds a buffer list to the queue of buffers and buffer lists that the appsrc element will push to its source pad.
This function does not take ownership of the buffer list, but it takes a reference so the buffer list can be unreffed at any time after calling this function.
When the block property is TRUE, this function can block until free space becomes available in the queue.