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;