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#ifndef foomodargshfoo
#define foomodargshfoo

/* $Id: modargs.h 1426 2007-02-13 15:35:19Z ossman $ */

  This file is part of PulseAudio.

  Copyright 2004-2006 Lennart Poettering

  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
  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

#include <inttypes.h>
#include <pulse/sample.h>
#include <pulse/channelmap.h>
#include <pulsecore/core.h>

typedef struct pa_modargs pa_modargs;

/* A generic parser for module arguments */

/* Parse the string args. The NULL-terminated array keys contains all valid arguments. */
pa_modargs *pa_modargs_new(const char *args, const char* const keys[]);
void pa_modargs_free(pa_modargs*ma);

/* Return the module argument for the specified name as a string. If
 * the argument was not specified, return def instead.*/
const char *pa_modargs_get_value(pa_modargs *ma, const char *key, const char *def);

/* Return a module argument as unsigned 32bit value in *value */
int pa_modargs_get_value_u32(pa_modargs *ma, const char *key, uint32_t *value);
int pa_modargs_get_value_s32(pa_modargs *ma, const char *key, int32_t *value);
int pa_modargs_get_value_boolean(pa_modargs *ma, const char *key, int *value);

/* Return sample spec data from the three arguments "rate", "format" and "channels" */
int pa_modargs_get_sample_spec(pa_modargs *ma, pa_sample_spec *ss);

/* Return channel map data from the argument "channel_map" */
int pa_modargs_get_channel_map(pa_modargs *ma, pa_channel_map *map);

/* Combination of pa_modargs_get_sample_spec() and
pa_modargs_get_channel_map(). Not always suitable, since this routine
initializes the map parameter based on the channels field of the ss
structure if no channel_map is found, using pa_channel_map_init_auto() */

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);


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