From f44ba092651aa75055e109e04b4164ea92ae7fdc Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Mon, 19 Jun 2006 21:53:48 +0000 Subject: big s/polyp/pulse/g git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1033 fefdeb5f-60dc-0310-8127-8f9354f1896f --- src/pulse/subscribe.h | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 src/pulse/subscribe.h (limited to 'src/pulse/subscribe.h') diff --git a/src/pulse/subscribe.h b/src/pulse/subscribe.h new file mode 100644 index 00000000..adbea680 --- /dev/null +++ b/src/pulse/subscribe.h @@ -0,0 +1,61 @@ +#ifndef foosubscribehfoo +#define foosubscribehfoo + +/* $Id$ */ + +/*** + This file is part of PulseAudio. + + PulseAudio is free software; you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published + by the Free Software Foundation; either version 2 of the License, + or (at your option) any later version. + + PulseAudio is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with PulseAudio; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + USA. +***/ + +#include + +#include +#include +#include + +/** \page subscribe Event Subscription + * + * \section overv_sec Overview + * + * The application can be notified, asynchronously, whenever the internal + * layout of the server changes. Possible notifications are desribed in the + * \ref pa_subscription_event_type and \ref pa_subscription_mask + * enumerations. + * + * The application sets the notification mask using pa_context_subscribe() + * and the function that will be called whenever a notification occurs using + * pa_context_set_subscribe_callback(). + */ + +/** \file + * Daemon introspection event subscription subsystem. */ + +PA_C_DECL_BEGIN + +/** Subscription event callback prototype */ +typedef void (*pa_context_subscribe_cb_t)(pa_context *c, pa_subscription_event_type_t t, uint32_t idx, void *userdata); + +/** Enable event notification */ +pa_operation* pa_context_subscribe(pa_context *c, pa_subscription_mask_t m, pa_context_success_cb_t cb, void *userdata); + +/** Set the context specific call back function that is called whenever the state of the daemon changes */ +void pa_context_set_subscribe_callback(pa_context *c, pa_context_subscribe_cb_t cb, void *userdata); + +PA_C_DECL_END + +#endif -- cgit