-/* $Id$ */
-
/***
This file is part of PulseAudio.
-
+
+ Copyright 2004-2006 Lennart Poettering
+
PulseAudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
- by the Free Software Foundation; either version 2 of the License,
+ by the Free Software Foundation; either version 2.1 of the License,
or (at your option) any later version.
-
+
PulseAudio is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
-
+
You should have received a copy of the GNU Lesser General Public License
along with PulseAudio; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
#include <stdlib.h>
#include <string.h>
-#include <assert.h>
#include <string.h>
#include <stdio.h>
#include <pulse/xmalloc.h>
-#include <pulsecore/autoload.h>
#include <pulsecore/source.h>
#include <pulsecore/sink.h>
#include <pulsecore/core-subscribe.h>
#include <pulsecore/core-util.h>
+#include <pulsecore/macro.h>
#include "namereg.h"
void *data;
};
-static int is_valid_char(char c) {
+static bool is_valid_char(char c) {
return
(c >= 'a' && c <= 'z') ||
(c >= 'A' && c <= 'Z') ||
(c >= '0' && c <= '9') ||
c == '.' ||
+ c == '-' ||
c == '_';
}
-static int is_valid_name(const char *name) {
+bool pa_namereg_is_valid_name(const char *name) {
const char *c;
+ pa_assert(name);
+
if (*name == 0)
- return 0;
-
+ return false;
+
for (c = name; *c && (c-name < PA_NAME_MAX); c++)
if (!is_valid_char(*c))
- return 0;
+ return false;
if (*c)
- return 0;
-
- return 1;
+ return false;
+
+ return true;
+}
+
+bool pa_namereg_is_valid_name_or_wildcard(const char *name, pa_namereg_type_t type) {
+
+ pa_assert(name);
+
+ if (pa_namereg_is_valid_name(name))
+ return true;
+
+ if (type == PA_NAMEREG_SINK &&
+ pa_streq(name, "@DEFAULT_SINK@"))
+ return true;
+
+ if (type == PA_NAMEREG_SOURCE &&
+ (pa_streq(name, "@DEFAULT_SOURCE@") ||
+ pa_streq(name, "@DEFAULT_MONITOR@")))
+ return true;
+
+ return false;
}
-static char* cleanup_name(const char *name) {
+char* pa_namereg_make_valid_name(const char *name) {
const char *a;
char *b, *n;
return NULL;
n = pa_xnew(char, strlen(name)+1);
-
+
for (a = name, b = n; *a && (a-name < PA_NAME_MAX); a++, b++)
- *b = is_valid_char(*a) ? *a : '_';
+ *b = (char) (is_valid_char(*a) ? *a : '_');
*b = 0;
return n;
}
-void pa_namereg_free(pa_core *c) {
- assert(c);
-
- if (!c->namereg)
- return;
-
- assert(pa_hashmap_size(c->namereg) == 0);
- pa_hashmap_free(c->namereg, NULL, NULL);
-}
-
-const char *pa_namereg_register(pa_core *c, const char *name, pa_namereg_type_t type, void *data, int fail) {
+const char *pa_namereg_register(pa_core *c, const char *name, pa_namereg_type_t type, void *data, bool fail) {
struct namereg_entry *e;
char *n = NULL;
- int r;
-
- assert(c);
- assert(name);
- assert(data);
+
+ pa_assert(c);
+ pa_assert(name);
+ pa_assert(data);
if (!*name)
return NULL;
-
- if ((type == PA_NAMEREG_SINK || type == PA_NAMEREG_SOURCE) &&
- !is_valid_name(name) ) {
-
+
+ if ((type == PA_NAMEREG_SINK || type == PA_NAMEREG_SOURCE || type == PA_NAMEREG_CARD) &&
+ !pa_namereg_is_valid_name(name)) {
+
if (fail)
return NULL;
- if (!(name = n = cleanup_name(name)))
+ if (!(name = n = pa_namereg_make_valid_name(name)))
return NULL;
}
- if (!c->namereg)
- c->namereg = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
-
if ((e = pa_hashmap_get(c->namereg, name)) && fail) {
pa_xfree(n);
return NULL;
pa_xfree(n);
return NULL;
}
-
- k = pa_xnew(char, l+4);
-
+
+ k = pa_xmalloc(l+4);
+
for (i = 2; i <= 99; i++) {
- snprintf(k, l+4, "%s.%u", name, i);
+ pa_snprintf(k, l+4, "%s.%u", name, i);
if (!(e = pa_hashmap_get(c->namereg, k)))
break;
pa_xfree(k);
return NULL;
}
-
+
pa_xfree(n);
n = k;
}
-
+
e = pa_xnew(struct namereg_entry, 1);
e->type = type;
e->name = n ? n : pa_xstrdup(name);
e->data = data;
- r = pa_hashmap_put(c->namereg, e->name, e);
- assert (r >= 0);
+ pa_assert_se(pa_hashmap_put(c->namereg, e->name, e) >= 0);
+
+ /* If a sink or source is registered and there was none registered
+ * before we inform the clients which then can ask for the default
+ * sink/source which is then assigned. We don't adjust the default
+ * sink/source here right away to give the module the chance to
+ * register more sinks/sources before we choose a new default
+ * sink/source. */
+
+ if ((!c->default_sink && type == PA_NAMEREG_SINK) ||
+ (!c->default_source && type == PA_NAMEREG_SOURCE))
+ pa_subscription_post(c, PA_SUBSCRIPTION_EVENT_SERVER|PA_SUBSCRIPTION_EVENT_CHANGE, PA_INVALID_INDEX);
return e->name;
}
void pa_namereg_unregister(pa_core *c, const char *name) {
struct namereg_entry *e;
-
- assert(c);
- assert(name);
- e = pa_hashmap_remove(c->namereg, name);
- assert(e);
+ pa_assert(c);
+ pa_assert(name);
+
+ pa_assert_se(e = pa_hashmap_remove(c->namereg, name));
+
+ if (c->default_sink == e->data)
+ pa_namereg_set_default_sink(c, NULL);
+ else if (c->default_source == e->data)
+ pa_namereg_set_default_source(c, NULL);
pa_xfree(e->name);
pa_xfree(e);
}
-void* pa_namereg_get(pa_core *c, const char *name, pa_namereg_type_t type, int autoload) {
+void* pa_namereg_get(pa_core *c, const char *name, pa_namereg_type_t type) {
struct namereg_entry *e;
uint32_t idx;
- assert(c);
-
- if (!name) {
-
- if (type == PA_NAMEREG_SOURCE)
- name = pa_namereg_get_default_source_name(c);
- else if (type == PA_NAMEREG_SINK)
- name = pa_namereg_get_default_sink_name(c);
-
- } else if (strcmp(name, "@DEFAULT_SINK@") == 0) {
- if (type == PA_NAMEREG_SINK)
- name = pa_namereg_get_default_sink_name(c);
-
- } else if (strcmp(name, "@DEFAULT_SOURCE@") == 0) {
- if (type == PA_NAMEREG_SOURCE)
- name = pa_namereg_get_default_source_name(c);
-
- } else if (strcmp(name, "@DEFAULT_MONITOR@") == 0) {
- if (type == PA_NAMEREG_SOURCE) {
- pa_sink *k;
-
- if ((k = pa_namereg_get(c, NULL, PA_NAMEREG_SINK, autoload)))
- return k->monitor_source;
- }
- } else if (*name == '@')
- name = NULL;
+ pa_assert(c);
+
+ if (type == PA_NAMEREG_SOURCE && (!name || pa_streq(name, "@DEFAULT_SOURCE@"))) {
+ pa_source *s;
+
+ if ((s = pa_namereg_get_default_source(c)))
+ return s;
+
+ } else if (type == PA_NAMEREG_SINK && (!name || pa_streq(name, "@DEFAULT_SINK@"))) {
+ pa_sink *s;
+
+ if ((s = pa_namereg_get_default_sink(c)))
+ return s;
+
+ } else if (type == PA_NAMEREG_SOURCE && name && pa_streq(name, "@DEFAULT_MONITOR@")) {
+ pa_sink *s;
+
+ if ((s = pa_namereg_get(c, NULL, PA_NAMEREG_SINK)))
+ return s->monitor_source;
+ }
if (!name)
return NULL;
-
- if (c->namereg && (e = pa_hashmap_get(c->namereg, name)))
+
+ if ((type == PA_NAMEREG_SINK || type == PA_NAMEREG_SOURCE || type == PA_NAMEREG_CARD) &&
+ !pa_namereg_is_valid_name(name))
+ return NULL;
+
+ if ((e = pa_hashmap_get(c->namereg, name)))
if (e->type == type)
return e->data;
- if (pa_atou(name, &idx) < 0) {
-
- if (autoload) {
- pa_autoload_request(c, name, type);
-
- if (c->namereg && (e = pa_hashmap_get(c->namereg, name)))
- if (e->type == type)
- return e->data;
- }
-
+ if (pa_atou(name, &idx) < 0)
return NULL;
- }
if (type == PA_NAMEREG_SINK)
return pa_idxset_get_by_index(c->sinks, idx);
return pa_idxset_get_by_index(c->sources, idx);
else if (type == PA_NAMEREG_SAMPLE && c->scache)
return pa_idxset_get_by_index(c->scache, idx);
+ else if (type == PA_NAMEREG_CARD)
+ return pa_idxset_get_by_index(c->cards, idx);
return NULL;
}
-int pa_namereg_set_default(pa_core*c, const char *name, pa_namereg_type_t type) {
- char **s;
-
- assert(c);
- assert(type == PA_NAMEREG_SINK || type == PA_NAMEREG_SOURCE);
-
- s = type == PA_NAMEREG_SINK ? &c->default_sink_name : &c->default_source_name;
-
- if (!name && !*s)
- return 0;
+pa_sink* pa_namereg_set_default_sink(pa_core*c, pa_sink *s) {
+ pa_assert(c);
- if (name && *s && !strcmp(name, *s))
- return 0;
+ if (s && !PA_SINK_IS_LINKED(pa_sink_get_state(s)))
+ return NULL;
- if (!is_valid_name(name))
- return -1;
-
- pa_xfree(*s);
- *s = pa_xstrdup(name);
- pa_subscription_post(c, PA_SUBSCRIPTION_EVENT_SERVER|PA_SUBSCRIPTION_EVENT_CHANGE, PA_INVALID_INDEX);
+ if (c->default_sink != s) {
+ c->default_sink = s;
+ pa_subscription_post(c, PA_SUBSCRIPTION_EVENT_SERVER|PA_SUBSCRIPTION_EVENT_CHANGE, PA_INVALID_INDEX);
+ }
- return 0;
+ return s;
}
-const char *pa_namereg_get_default_sink_name(pa_core *c) {
- pa_sink *s;
-
- assert(c);
+pa_source* pa_namereg_set_default_source(pa_core*c, pa_source *s) {
+ pa_assert(c);
+
+ if (s && !PA_SOURCE_IS_LINKED(pa_source_get_state(s)))
+ return NULL;
- if (c->default_sink_name)
- return c->default_sink_name;
-
- if ((s = pa_idxset_first(c->sinks, NULL)))
- pa_namereg_set_default(c, s->name, PA_NAMEREG_SINK);
+ if (c->default_source != s) {
+ c->default_source = s;
+ pa_subscription_post(c, PA_SUBSCRIPTION_EVENT_SERVER|PA_SUBSCRIPTION_EVENT_CHANGE, PA_INVALID_INDEX);
+ }
- return c->default_sink_name;
+ return s;
}
-const char *pa_namereg_get_default_source_name(pa_core *c) {
- pa_source *s;
+pa_sink *pa_namereg_get_default_sink(pa_core *c) {
+ pa_sink *s, *best = NULL;
uint32_t idx;
-
- assert(c);
- if (c->default_source_name)
- return c->default_source_name;
+ pa_assert(c);
- for (s = pa_idxset_first(c->sources, &idx); s; s = pa_idxset_next(c->sources, &idx))
- if (!s->monitor_of) {
- pa_namereg_set_default(c, s->name, PA_NAMEREG_SOURCE);
- break;
- }
+ if (c->default_sink && PA_SINK_IS_LINKED(pa_sink_get_state(c->default_sink)))
+ return c->default_sink;
+
+ PA_IDXSET_FOREACH(s, c->sinks, idx)
+ if (PA_SINK_IS_LINKED(pa_sink_get_state(s)))
+ if (!best || s->priority > best->priority)
+ best = s;
- if (!c->default_source_name)
- if ((s = pa_idxset_first(c->sources, NULL)))
- pa_namereg_set_default(c, s->name, PA_NAMEREG_SOURCE);
+ return best;
+}
+
+pa_source *pa_namereg_get_default_source(pa_core *c) {
+ pa_source *s, *best = NULL;
+ uint32_t idx;
- return c->default_source_name;
+ pa_assert(c);
+
+ if (c->default_source && PA_SOURCE_IS_LINKED(pa_source_get_state(c->default_source)))
+ return c->default_source;
+
+ /* First, try to find one that isn't a monitor */
+ PA_IDXSET_FOREACH(s, c->sources, idx)
+ if (!s->monitor_of && PA_SOURCE_IS_LINKED(pa_source_get_state(s)))
+ if (!best ||
+ s->priority > best->priority)
+ best = s;
+
+ if (best)
+ return best;
+
+ /* Then, fallback to a monitor */
+ PA_IDXSET_FOREACH(s, c->sources, idx)
+ if (PA_SOURCE_IS_LINKED(pa_source_get_state(s)))
+ if (!best ||
+ s->priority > best->priority ||
+ (s->priority == best->priority &&
+ s->monitor_of &&
+ best->monitor_of &&
+ s->monitor_of->priority > best->monitor_of->priority))
+ best = s;
+
+ return best;
}