7 This file is part of PulseAudio.
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.
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.
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
26 #include <pulse/sample.h>
27 #include <pulse/channelmap.h>
28 #include <pulsecore/core.h>
30 typedef struct pa_modargs pa_modargs;
32 /* A generic parser for module arguments */
34 /* Parse the string args. The NULL-terminated array keys contains all valid arguments. */
35 pa_modargs *pa_modargs_new(const char *args, const char* const keys[]);
36 void pa_modargs_free(pa_modargs*ma);
38 /* Return the module argument for the specified name as a string. If
39 * the argument was not specified, return def instead.*/
40 const char *pa_modargs_get_value(pa_modargs *ma, const char *key, const char *def);
42 /* Return a module argument as unsigned 32bit value in *value */
43 int pa_modargs_get_value_u32(pa_modargs *ma, const char *key, uint32_t *value);
44 int pa_modargs_get_value_s32(pa_modargs *ma, const char *key, int32_t *value);
45 int pa_modargs_get_value_boolean(pa_modargs *ma, const char *key, int *value);
47 /* Return sample spec data from the three arguments "rate", "format" and "channels" */
48 int pa_modargs_get_sample_spec(pa_modargs *ma, pa_sample_spec *ss);
50 /* Return channel map data from the argument "channel_map" */
51 int pa_modargs_get_channel_map(pa_modargs *ma, pa_channel_map *map);
53 /* Combination of pa_modargs_get_sample_spec() and
54 pa_modargs_get_channel_map(). Not always suitable, since this routine
55 initializes the map parameter based on the channels field of the ss
56 structure if no channel_map is found, using pa_channel_map_init_auto() */
58 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);