[Jack-Devel] port callbacks, jack_port_id_t

Hi, I have some questions about the jack1 port API that the
documentation and examples don't clarify:

1) how do I translate a jack_port_id_t to a jack_port_t or a port
name? When the app gets a JackPortConnectCallback, how does it know
which ports it's talking about?

2) In what thread do the port callbacks happen? For example I've
noticed that calling jack_port_get_buffer() on a disconnected input
yields an invalid value (but not NULL). Trying to read from that
segfaults. So, ideally I'd want the port disconnection callback to
notify the process thread (of course, I could instead call
jack_port_connected() everytime...)

-- Dan

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