code.delx.au - pulseaudio/blob - src/pulsecore/autoload.h

   1 #ifndef fooautoloadhfoo
   2 #define fooautoloadhfoo
   3
   4 /* $Id$ */
   5
   6 /***
   7   This file is part of PulseAudio.
   8
   9   PulseAudio 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.
  13
  14   PulseAudio 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.
  18
  19   You should have received a copy of the GNU Lesser General Public License
  20   along with PulseAudio; if not, write to the Free Software
  21   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  22   USA.
  23 ***/
  24
  25 #include <pulsecore/namereg.h>
  26
  27 /* Using the autoloading facility, modules by be loaded on-demand and
  28  * synchronously. The user may register a "ghost sink" or "ghost
  29  * source". Whenever this sink/source is requested but not available a
  30  * specified module is loaded. */
  31
  32 /* An autoload entry, or "ghost" sink/source */
  33 typedef struct pa_autoload_entry {
  34     pa_core *core;
  35     uint32_t index;
  36     char *name;
  37     pa_namereg_type_t type; /* Type of the autoload entry */
  38     int in_action; /* Currently loaded */
  39     char *module, *argument;
  40 } pa_autoload_entry;
  41
  42 /* Add a new autoload entry of the given time, with the speicified
  43  * sink/source name, module name and argument. Return the entry's
  44  * index in *index */
  45 int pa_autoload_add(pa_core *c, const char*name, pa_namereg_type_t type, const char*module, const char *argument, uint32_t *idx);
  46
  47 /* Free all autoload entries */
  48 void pa_autoload_free(pa_core *c);
  49 int pa_autoload_remove_by_name(pa_core *c, const char*name, pa_namereg_type_t type);
  50 int pa_autoload_remove_by_index(pa_core *c, uint32_t idx);
  51
  52 /* Request an autoload entry by its name, effectively causing a module to be loaded */
  53 void pa_autoload_request(pa_core *c, const char *name, pa_namereg_type_t type);
  54
  55 const pa_autoload_entry* pa_autoload_get_by_name(pa_core *c, const char*name, pa_namereg_type_t type);
  56 const pa_autoload_entry* pa_autoload_get_by_index(pa_core *c, uint32_t idx);
  57
  58 #endif