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 2.1 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/source.h>
34 #include <pulsecore/sink.h>
35 #include <pulsecore/core-subscribe.h>
36 #include <pulsecore/core-util.h>
37 #include <pulsecore/macro.h>
41 struct namereg_entry {
42 pa_namereg_type_t type;
47 static pa_bool_t is_valid_char(char c) {
49 (c >= 'a' && c <= 'z') ||
50 (c >= 'A' && c <= 'Z') ||
51 (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_xmalloc(strlen(name)+1);
82 for (a = name, b = n; *a && (a-name < PA_NAME_MAX); a++, b++)
83 *b = (char) (is_valid_char(*a) ? *a : '_');
90 const char *pa_namereg_register(pa_core *c, const char *name, pa_namereg_type_t type, void *data, pa_bool_t fail) {
91 struct namereg_entry *e;
101 if ((type == PA_NAMEREG_SINK || type == PA_NAMEREG_SOURCE || type == PA_NAMEREG_CARD) &&
102 !pa_namereg_is_valid_name(name)) {
107 if (!(name = n = pa_namereg_make_valid_name(name)))
111 if ((e = pa_hashmap_get(c->namereg, name)) && fail) {
118 size_t l = strlen(name);
121 if (l+4 > PA_NAME_MAX) {
128 for (i = 2; i <= 99; i++) {
129 pa_snprintf(k, l+4, "%s.%u", name, i);
131 if (!(e = pa_hashmap_get(c->namereg, k)))
145 e = pa_xnew(struct namereg_entry, 1);
147 e->name = n ? n : pa_xstrdup(name);
150 pa_assert_se(pa_hashmap_put(c->namereg, e->name, e) >= 0);
155 void pa_namereg_unregister(pa_core *c, const char *name) {
156 struct namereg_entry *e;
161 pa_assert_se(e = pa_hashmap_remove(c->namereg, name));
163 if (c->default_sink == e->data)
164 pa_namereg_set_default_sink(c, NULL);
165 else if (c->default_source == e->data)
166 pa_namereg_set_default_source(c, NULL);
172 void* pa_namereg_get(pa_core *c, const char *name, pa_namereg_type_t type) {
173 struct namereg_entry *e;
177 if (type == PA_NAMEREG_SOURCE && (!name || pa_streq(name, "@DEFAULT_SOURCE@"))) {
180 if ((s = pa_namereg_get_default_source(c)))
183 } else if (type == PA_NAMEREG_SINK && (!name || pa_streq(name, "@DEFAULT_SINK@"))) {
186 if ((s = pa_namereg_get_default_sink(c)))
189 } else if (type == PA_NAMEREG_SOURCE && name && pa_streq(name, "@DEFAULT_MONITOR@")) {
192 if ((s = pa_namereg_get(c, NULL, PA_NAMEREG_SINK)))
193 return s->monitor_source;
200 if ((type == PA_NAMEREG_SINK || type == PA_NAMEREG_SOURCE || type == PA_NAMEREG_CARD) &&
201 !pa_namereg_is_valid_name(name))
204 if ((e = pa_hashmap_get(c->namereg, name)))
208 if (pa_atou(name, &idx) < 0)
211 if (type == PA_NAMEREG_SINK)
212 return pa_idxset_get_by_index(c->sinks, idx);
213 else if (type == PA_NAMEREG_SOURCE)
214 return pa_idxset_get_by_index(c->sources, idx);
215 else if (type == PA_NAMEREG_SAMPLE && c->scache)
216 return pa_idxset_get_by_index(c->scache, idx);
217 else if (type == PA_NAMEREG_CARD)
218 return pa_idxset_get_by_index(c->cards, idx);
223 pa_sink* pa_namereg_set_default_sink(pa_core*c, pa_sink *s) {
226 if (c->default_sink != s) {
228 pa_subscription_post(c, PA_SUBSCRIPTION_EVENT_SERVER|PA_SUBSCRIPTION_EVENT_CHANGE, PA_INVALID_INDEX);
234 pa_source* pa_namereg_set_default_source(pa_core*c, pa_source *s) {
237 if (c->default_source != s) {
238 c->default_source = s;
239 pa_subscription_post(c, PA_SUBSCRIPTION_EVENT_SERVER|PA_SUBSCRIPTION_EVENT_CHANGE, PA_INVALID_INDEX);
245 pa_sink *pa_namereg_get_default_sink(pa_core *c) {
251 return c->default_sink;
253 if ((s = pa_idxset_first(c->sinks, NULL)))
254 return pa_namereg_set_default_sink(c, s);
259 pa_source *pa_namereg_get_default_source(pa_core *c) {
265 if (c->default_source)
266 return c->default_source;
268 for (s = PA_SOURCE(pa_idxset_first(c->sources, &idx)); s; s = PA_SOURCE(pa_idxset_next(c->sources, &idx)))
270 return pa_namereg_set_default_source(c, s);
272 if ((s = pa_idxset_first(c->sources, NULL)))
273 return pa_namereg_set_default_source(c, s);