4 This file is part of PulseAudio.
6 Copyright 2004-2006 Lennart Poettering
8 PulseAudio is free software; you can redistribute it and/or modify
9 it under the terms of the GNU Lesser General Public License as published
10 by the Free Software Foundation; either version 2 of the License,
11 or (at your option) any later version.
13 PulseAudio is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with PulseAudio; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
34 #include <pulse/xmalloc.h>
36 #include <pulsecore/autoload.h>
37 #include <pulsecore/source.h>
38 #include <pulsecore/sink.h>
39 #include <pulsecore/core-subscribe.h>
40 #include <pulsecore/core-util.h>
44 struct namereg_entry
{
45 pa_namereg_type_t type
;
50 static int is_valid_char(char c
) {
52 (c
>= 'a' && c
<= 'z') ||
53 (c
>= 'A' && c
<= 'Z') ||
54 (c
>= '0' && c
<= '9') ||
59 static int is_valid_name(const char *name
) {
65 for (c
= name
; *c
&& (c
-name
< PA_NAME_MAX
); c
++)
66 if (!is_valid_char(*c
))
75 static char* cleanup_name(const char *name
) {
82 n
= pa_xnew(char, strlen(name
)+1);
84 for (a
= name
, b
= n
; *a
&& (a
-name
< PA_NAME_MAX
); a
++, b
++)
85 *b
= is_valid_char(*a
) ? *a
: '_';
92 void pa_namereg_free(pa_core
*c
) {
98 assert(pa_hashmap_size(c
->namereg
) == 0);
99 pa_hashmap_free(c
->namereg
, NULL
, NULL
);
102 const char *pa_namereg_register(pa_core
*c
, const char *name
, pa_namereg_type_t type
, void *data
, int fail
) {
103 struct namereg_entry
*e
;
114 if ((type
== PA_NAMEREG_SINK
|| type
== PA_NAMEREG_SOURCE
) &&
115 !is_valid_name(name
) ) {
120 if (!(name
= n
= cleanup_name(name
)))
125 c
->namereg
= pa_hashmap_new(pa_idxset_string_hash_func
, pa_idxset_string_compare_func
);
127 if ((e
= pa_hashmap_get(c
->namereg
, name
)) && fail
) {
134 size_t l
= strlen(name
);
137 if (l
+4 > PA_NAME_MAX
) {
142 k
= pa_xnew(char, l
+4);
144 for (i
= 2; i
<= 99; i
++) {
145 snprintf(k
, l
+4, "%s.%u", name
, i
);
147 if (!(e
= pa_hashmap_get(c
->namereg
, k
)))
161 e
= pa_xnew(struct namereg_entry
, 1);
163 e
->name
= n
? n
: pa_xstrdup(name
);
166 r
= pa_hashmap_put(c
->namereg
, e
->name
, e
);
172 void pa_namereg_unregister(pa_core
*c
, const char *name
) {
173 struct namereg_entry
*e
;
178 e
= pa_hashmap_remove(c
->namereg
, name
);
185 void* pa_namereg_get(pa_core
*c
, const char *name
, pa_namereg_type_t type
, int autoload
) {
186 struct namereg_entry
*e
;
192 if (type
== PA_NAMEREG_SOURCE
)
193 name
= pa_namereg_get_default_source_name(c
);
194 else if (type
== PA_NAMEREG_SINK
)
195 name
= pa_namereg_get_default_sink_name(c
);
197 } else if (strcmp(name
, "@DEFAULT_SINK@") == 0) {
198 if (type
== PA_NAMEREG_SINK
)
199 name
= pa_namereg_get_default_sink_name(c
);
201 } else if (strcmp(name
, "@DEFAULT_SOURCE@") == 0) {
202 if (type
== PA_NAMEREG_SOURCE
)
203 name
= pa_namereg_get_default_source_name(c
);
205 } else if (strcmp(name
, "@DEFAULT_MONITOR@") == 0) {
206 if (type
== PA_NAMEREG_SOURCE
) {
209 if ((k
= pa_namereg_get(c
, NULL
, PA_NAMEREG_SINK
, autoload
)))
210 return k
->monitor_source
;
212 } else if (*name
== '@')
218 if (c
->namereg
&& (e
= pa_hashmap_get(c
->namereg
, name
)))
222 if (pa_atou(name
, &idx
) < 0) {
225 pa_autoload_request(c
, name
, type
);
227 if (c
->namereg
&& (e
= pa_hashmap_get(c
->namereg
, name
)))
235 if (type
== PA_NAMEREG_SINK
)
236 return pa_idxset_get_by_index(c
->sinks
, idx
);
237 else if (type
== PA_NAMEREG_SOURCE
)
238 return pa_idxset_get_by_index(c
->sources
, idx
);
239 else if (type
== PA_NAMEREG_SAMPLE
&& c
->scache
)
240 return pa_idxset_get_by_index(c
->scache
, idx
);
245 int pa_namereg_set_default(pa_core
*c
, const char *name
, pa_namereg_type_t type
) {
249 assert(type
== PA_NAMEREG_SINK
|| type
== PA_NAMEREG_SOURCE
);
251 s
= type
== PA_NAMEREG_SINK
? &c
->default_sink_name
: &c
->default_source_name
;
256 if (name
&& *s
&& !strcmp(name
, *s
))
259 if (!is_valid_name(name
))
263 *s
= pa_xstrdup(name
);
264 pa_subscription_post(c
, PA_SUBSCRIPTION_EVENT_SERVER
|PA_SUBSCRIPTION_EVENT_CHANGE
, PA_INVALID_INDEX
);
269 const char *pa_namereg_get_default_sink_name(pa_core
*c
) {
274 if (c
->default_sink_name
)
275 return c
->default_sink_name
;
277 if ((s
= pa_idxset_first(c
->sinks
, NULL
)))
278 pa_namereg_set_default(c
, s
->name
, PA_NAMEREG_SINK
);
280 return c
->default_sink_name
;
283 const char *pa_namereg_get_default_source_name(pa_core
*c
) {
289 if (c
->default_source_name
)
290 return c
->default_source_name
;
292 for (s
= pa_idxset_first(c
->sources
, &idx
); s
; s
= pa_idxset_next(c
->sources
, &idx
))
293 if (!s
->monitor_of
) {
294 pa_namereg_set_default(c
, s
->name
, PA_NAMEREG_SOURCE
);
298 if (!c
->default_source_name
)
299 if ((s
= pa_idxset_first(c
->sources
, NULL
)))
300 pa_namereg_set_default(c
, s
->name
, PA_NAMEREG_SOURCE
);
302 return c
->default_source_name
;