On Wed, 23.07.08 16:27, Stanley Cai (stanley.w.cai at gmail.com) wrote: > Hi, > > I tried to implement a PA module, which includes the function such as moving > all the sink inputs from one sink to another active sink when the former is > removed/unloaded. When I used pa_subscription to insert my hook function, I > found in all EVENT_REMOVE callback functions (no matter sink, sink input and > client) I can do little. When the event callback is invoked, the sink has > been unlinked already and I can not find any clue via the index number. > Specially before sink removal event, all the sink inputs were > killed. :( The subscription logic is for asynchronous notification. It's purely informational, you may not use it to interfere with the normal state logic of the core. I think you are looking for the hooks defined in pa_core->hooks[]. They allow you to install hook functions at several places that can be used to modify the normal behaviour of the core. See modules/module-rescue-streams.c for an example how to use that. Lennart -- Lennart Poettering Red Hat, Inc. lennart [at] poettering [dot] net ICQ# 11060553 http://0pointer.net/lennart/ GnuPG 0x1A015CC4
