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
33 #include <pulse/xmalloc.h>
35 #include <pulsecore/autoload.h>
36 #include <pulsecore/source.h>
37 #include <pulsecore/sink.h>
38 #include <pulsecore/core-subscribe.h>
39 #include <pulsecore/core-util.h>
40 #include <pulsecore/macro.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 pa_bool_t pa_namereg_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 pa_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;
113 if ((type == PA_NAMEREG_SINK || type == PA_NAMEREG_SOURCE) &&
114 !pa_namereg_is_valid_name(name) ) {
119 if (!(name = n = cleanup_name(name)))
124 c->namereg = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
126 if ((e = pa_hashmap_get(c->namereg, name)) && fail) {
133 size_t l = strlen(name);
136 if (l+4 > PA_NAME_MAX) {
141 k = pa_xnew(char, l+4);
143 for (i = 2; i <= 99; i++) {
144 pa_snprintf(k, l+4, "%s.%u", name, i);
146 if (!(e = pa_hashmap_get(c->namereg, k)))
160 e = pa_xnew(struct namereg_entry, 1);
162 e->name = n ? n : pa_xstrdup(name);
165 pa_assert_se(pa_hashmap_put(c->namereg, e->name, e) >= 0);
170 void pa_namereg_unregister(pa_core *c, const char *name) {
171 struct namereg_entry *e;
176 pa_assert_se(e = pa_hashmap_remove(c->namereg, name));
182 void* pa_namereg_get(pa_core *c, const char *name, pa_namereg_type_t type, pa_bool_t autoload) {
183 struct namereg_entry *e;
189 if (type == PA_NAMEREG_SOURCE)
190 name = pa_namereg_get_default_source_name(c);
191 else if (type == PA_NAMEREG_SINK)
192 name = pa_namereg_get_default_sink_name(c);
194 } else if (strcmp(name, "@DEFAULT_SINK@") == 0) {
195 if (type == PA_NAMEREG_SINK)
196 name = pa_namereg_get_default_sink_name(c);
198 } else if (strcmp(name, "@DEFAULT_SOURCE@") == 0) {
199 if (type == PA_NAMEREG_SOURCE)
200 name = pa_namereg_get_default_source_name(c);
202 } else if (strcmp(name, "@DEFAULT_MONITOR@") == 0) {
203 if (type == PA_NAMEREG_SOURCE) {
206 if ((k = pa_namereg_get(c, NULL, PA_NAMEREG_SINK, autoload)))
207 return k->monitor_source;
209 } else if (*name == '@')
215 if (c->namereg && (e = pa_hashmap_get(c->namereg, name)))
219 if (pa_atou(name, &idx) < 0) {
222 pa_autoload_request(c, name, type);
224 if (c->namereg && (e = pa_hashmap_get(c->namereg, name)))
232 if (type == PA_NAMEREG_SINK)
233 return pa_idxset_get_by_index(c->sinks, idx);
234 else if (type == PA_NAMEREG_SOURCE)
235 return pa_idxset_get_by_index(c->sources, idx);
236 else if (type == PA_NAMEREG_SAMPLE && c->scache)
237 return pa_idxset_get_by_index(c->scache, idx);
242 int pa_namereg_set_default(pa_core*c, const char *name, pa_namereg_type_t type) {
246 pa_assert(type == PA_NAMEREG_SINK || type == PA_NAMEREG_SOURCE);
248 s = type == PA_NAMEREG_SINK ? &c->default_sink_name : &c->default_source_name;
253 if (name && *s && !strcmp(name, *s))
256 if (!pa_namereg_is_valid_name(name))
260 *s = pa_xstrdup(name);
261 pa_subscription_post(c, PA_SUBSCRIPTION_EVENT_SERVER|PA_SUBSCRIPTION_EVENT_CHANGE, PA_INVALID_INDEX);
266 const char *pa_namereg_get_default_sink_name(pa_core *c) {
271 if (c->default_sink_name)
272 return c->default_sink_name;
274 if ((s = pa_idxset_first(c->sinks, NULL)))
275 pa_namereg_set_default(c, s->name, PA_NAMEREG_SINK);
277 return c->default_sink_name;
280 const char *pa_namereg_get_default_source_name(pa_core *c) {
286 if (c->default_source_name)
287 return c->default_source_name;
289 for (s = pa_idxset_first(c->sources, &idx); s; s = pa_idxset_next(c->sources, &idx))
290 if (!s->monitor_of) {
291 pa_namereg_set_default(c, s->name, PA_NAMEREG_SOURCE);
295 if (!c->default_source_name)
296 if ((s = pa_idxset_first(c->sources, NULL)))
297 pa_namereg_set_default(c, s->name, PA_NAMEREG_SOURCE);
299 return c->default_source_name;