1 #ifndef foosubscribehfoo
2 #define foosubscribehfoo
7 This file is part of polypaudio.
9 polypaudio is free software; you can redistribute it and/or modify
10 it under the terms of the GNU Lesser General Public License as published
11 by the Free Software Foundation; either version 2 of the License,
12 or (at your option) any later version.
14 polypaudio is distributed in the hope that it will be useful, but
15 WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 General Public License for more details.
19 You should have received a copy of the GNU Lesser General Public License
20 along with polypaudio; if not, write to the Free Software
21 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
27 #include <polyp/def.h>
28 #include <polyp/context.h>
29 #include <polyp/cdecl.h>
32 * Daemon introspection event subscription subsystem. Use this
33 * to be notified whenever the internal layout of daemon changes:
34 * i.e. entities such as sinks or sources are create, removed or
39 /** Subscription event callback prototype */
40 typedef void (*pa_context_subscribe_cb_t
)(pa_context
*c
, pa_subscription_event_type_t t
, uint32_t idx
, void *userdata
);
42 /** Enable event notification */
43 pa_operation
* pa_context_subscribe(pa_context
*c
, pa_subscription_mask_t m
, pa_context_success_cb_t cb
, void *userdata
);
45 /** Set the context specific call back function that is called whenever the state of the daemon changes */
46 void pa_context_set_subscribe_callback(pa_context
*c
, pa_context_subscribe_cb_t cb
, void *userdata
);