2 This file is part of PulseAudio.
4 Copyright 2004-2006 Lennart Poettering
6 PulseAudio is free software; you can redistribute it and/or modify
7 it under the terms of the GNU Lesser General Public License as published
8 by the Free Software Foundation; either version 2 of the License,
9 or (at your option) any later version.
11 PulseAudio is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with PulseAudio; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
31 #include <pulse/xmalloc.h>
33 #include <pulsecore/autoload.h>
34 #include <pulsecore/source.h>
35 #include <pulsecore/sink.h>
36 #include <pulsecore/core-subscribe.h>
37 #include <pulsecore/core-util.h>
38 #include <pulsecore/macro.h>
42 struct namereg_entry
{
43 pa_namereg_type_t type
;
48 static int is_valid_char(char c
) {
50 (c
>= 'a' && c
<= 'z') ||
51 (c
>= 'A' && c
<= 'Z') ||
52 (c
>= '0' && c
<= '9') ||
57 pa_bool_t
pa_namereg_is_valid_name(const char *name
) {
63 for (c
= name
; *c
&& (c
-name
< PA_NAME_MAX
); c
++)
64 if (!is_valid_char(*c
))
73 char* pa_namereg_make_valid_name(const char *name
) {
80 n
= pa_xnew(char, strlen(name
)+1);
82 for (a
= name
, b
= n
; *a
&& (a
-name
< PA_NAME_MAX
); a
++, b
++)
83 *b
= is_valid_char(*a
) ? *a
: '_';
90 void pa_namereg_free(pa_core
*c
) {
96 pa_assert(pa_hashmap_size(c
->namereg
) == 0);
97 pa_hashmap_free(c
->namereg
, NULL
, NULL
);
100 const char *pa_namereg_register(pa_core
*c
, const char *name
, pa_namereg_type_t type
, void *data
, int fail
) {
101 struct namereg_entry
*e
;
111 if ((type
== PA_NAMEREG_SINK
|| type
== PA_NAMEREG_SOURCE
) &&
112 !pa_namereg_is_valid_name(name
)) {
117 if (!(name
= n
= pa_namereg_make_valid_name(name
)))
122 c
->namereg
= pa_hashmap_new(pa_idxset_string_hash_func
, pa_idxset_string_compare_func
);
124 if ((e
= pa_hashmap_get(c
->namereg
, name
)) && fail
) {
131 size_t l
= strlen(name
);
134 if (l
+4 > PA_NAME_MAX
) {
139 k
= pa_xnew(char, l
+4);
141 for (i
= 2; i
<= 99; i
++) {
142 pa_snprintf(k
, l
+4, "%s.%u", name
, i
);
144 if (!(e
= pa_hashmap_get(c
->namereg
, k
)))
158 e
= pa_xnew(struct namereg_entry
, 1);
160 e
->name
= n
? n
: pa_xstrdup(name
);
163 pa_assert_se(pa_hashmap_put(c
->namereg
, e
->name
, e
) >= 0);
168 void pa_namereg_unregister(pa_core
*c
, const char *name
) {
169 struct namereg_entry
*e
;
174 pa_assert_se(e
= pa_hashmap_remove(c
->namereg
, name
));
180 void* pa_namereg_get(pa_core
*c
, const char *name
, pa_namereg_type_t type
, pa_bool_t autoload
) {
181 struct namereg_entry
*e
;
187 if (type
== PA_NAMEREG_SOURCE
)
188 name
= pa_namereg_get_default_source_name(c
);
189 else if (type
== PA_NAMEREG_SINK
)
190 name
= pa_namereg_get_default_sink_name(c
);
192 } else if (strcmp(name
, "@DEFAULT_SINK@") == 0) {
193 if (type
== PA_NAMEREG_SINK
)
194 name
= pa_namereg_get_default_sink_name(c
);
196 } else if (strcmp(name
, "@DEFAULT_SOURCE@") == 0) {
197 if (type
== PA_NAMEREG_SOURCE
)
198 name
= pa_namereg_get_default_source_name(c
);
200 } else if (strcmp(name
, "@DEFAULT_MONITOR@") == 0) {
201 if (type
== PA_NAMEREG_SOURCE
) {
204 if ((k
= pa_namereg_get(c
, NULL
, PA_NAMEREG_SINK
, autoload
)))
205 return k
->monitor_source
;
207 } else if (*name
== '@')
213 if (c
->namereg
&& (e
= pa_hashmap_get(c
->namereg
, name
)))
217 if (pa_atou(name
, &idx
) < 0) {
220 pa_autoload_request(c
, name
, type
);
222 if (c
->namereg
&& (e
= pa_hashmap_get(c
->namereg
, name
)))
230 if (type
== PA_NAMEREG_SINK
)
231 return pa_idxset_get_by_index(c
->sinks
, idx
);
232 else if (type
== PA_NAMEREG_SOURCE
)
233 return pa_idxset_get_by_index(c
->sources
, idx
);
234 else if (type
== PA_NAMEREG_SAMPLE
&& c
->scache
)
235 return pa_idxset_get_by_index(c
->scache
, idx
);
240 int pa_namereg_set_default(pa_core
*c
, const char *name
, pa_namereg_type_t type
) {
244 pa_assert(type
== PA_NAMEREG_SINK
|| type
== PA_NAMEREG_SOURCE
);
246 s
= type
== PA_NAMEREG_SINK
? &c
->default_sink_name
: &c
->default_source_name
;
251 if (name
&& *s
&& !strcmp(name
, *s
))
254 if (!pa_namereg_is_valid_name(name
))
258 *s
= pa_xstrdup(name
);
259 pa_subscription_post(c
, PA_SUBSCRIPTION_EVENT_SERVER
|PA_SUBSCRIPTION_EVENT_CHANGE
, PA_INVALID_INDEX
);
264 const char *pa_namereg_get_default_sink_name(pa_core
*c
) {
269 if (c
->default_sink_name
)
270 return c
->default_sink_name
;
272 if ((s
= pa_idxset_first(c
->sinks
, NULL
)))
273 pa_namereg_set_default(c
, s
->name
, PA_NAMEREG_SINK
);
275 return c
->default_sink_name
;
278 const char *pa_namereg_get_default_source_name(pa_core
*c
) {
284 if (c
->default_source_name
)
285 return c
->default_source_name
;
287 for (s
= pa_idxset_first(c
->sources
, &idx
); s
; s
= pa_idxset_next(c
->sources
, &idx
))
288 if (!s
->monitor_of
) {
289 pa_namereg_set_default(c
, s
->name
, PA_NAMEREG_SOURCE
);
293 if (!c
->default_source_name
)
294 if ((s
= pa_idxset_first(c
->sources
, NULL
)))
295 pa_namereg_set_default(c
, s
->name
, PA_NAMEREG_SOURCE
);
297 return c
->default_source_name
;