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

   1 #ifndef foomodargshfoo
   2 #define foomodargshfoo
   3
   4 /* $Id$ */
   5
   6 /***
   7   This file is part of PulseAudio.
   8
   9   Copyright 2004-2006 Lennart Poettering
  10
  11   PulseAudio is free software; you can redistribute it and/or modify
  12   it under the terms of the GNU Lesser General Public License as published
  13   by the Free Software Foundation; either version 2 of the License,
  14   or (at your option) any later version.
  15
  16   PulseAudio is distributed in the hope that it will be useful, but
  17   WITHOUT ANY WARRANTY; without even the implied warranty of
  18   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  19   General Public License for more details.
  20
  21   You should have received a copy of the GNU Lesser General Public License
  22   along with PulseAudio; if not, write to the Free Software
  23   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  24   USA.
  25 ***/
  26
  27 #include <inttypes.h>
  28 #include <pulse/sample.h>
  29 #include <pulse/channelmap.h>
  30 #include <pulsecore/core.h>
  31
  32 typedef struct pa_modargs pa_modargs;
  33
  34 /* A generic parser for module arguments */
  35
  36 /* Parse the string args. The NULL-terminated array keys contains all valid arguments. */
  37 pa_modargs *pa_modargs_new(const char *args, const char* const keys[]);
  38 void pa_modargs_free(pa_modargs*ma);
  39
  40 /* Return the module argument for the specified name as a string. If
  41  * the argument was not specified, return def instead.*/
  42 const char *pa_modargs_get_value(pa_modargs *ma, const char *key, const char *def);
  43
  44 /* Return a module argument as unsigned 32bit value in *value */
  45 int pa_modargs_get_value_u32(pa_modargs *ma, const char *key, uint32_t *value);
  46 int pa_modargs_get_value_s32(pa_modargs *ma, const char *key, int32_t *value);
  47 int pa_modargs_get_value_boolean(pa_modargs *ma, const char *key, int *value);
  48
  49 /* Return sample spec data from the three arguments "rate", "format" and "channels" */
  50 int pa_modargs_get_sample_spec(pa_modargs *ma, pa_sample_spec *ss);
  51
  52 /* Return channel map data from the argument "channel_map" */
  53 int pa_modargs_get_channel_map(pa_modargs *ma, pa_channel_map *map);
  54
  55 /* Combination of pa_modargs_get_sample_spec() and
  56 pa_modargs_get_channel_map(). Not always suitable, since this routine
  57 initializes the map parameter based on the channels field of the ss
  58 structure if no channel_map is found, using pa_channel_map_init_auto() */
  59
  60 int pa_modargs_get_sample_spec_and_channel_map(pa_modargs *ma, pa_sample_spec *ss, pa_channel_map *map, pa_channel_map_def_t def);
  61
  62 #endif