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/* $Id$ */
/***
This file is part of polypaudio.
polypaudio 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,
or (at your option) any later version.
polypaudio 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 polypaudio; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include "source.h"
#include "source-output.h"
#include "namereg.h"
#include "xmalloc.h"
#include "subscribe.h"
#include "log.h"
struct pa_source* pa_source_new(struct pa_core *core, pa_typeid_t typeid, const char *name, int fail, const struct pa_sample_spec *spec) {
struct pa_source *s;
char st[256];
int r;
assert(core && spec && name && *name);
s = pa_xmalloc(sizeof(struct pa_source));
if (!(name = pa_namereg_register(core, name, PA_NAMEREG_SOURCE, s, fail))) {
pa_xfree(s);
return NULL;
}
s->ref = 1;
s->state = PA_SOURCE_RUNNING;
s->name = pa_xstrdup(name);
s->description = NULL;
s->typeid = typeid;
s->owner = NULL;
s->core = core;
s->sample_spec = *spec;
s->outputs = pa_idxset_new(NULL, NULL);
s->monitor_of = NULL;
s->get_latency = NULL;
s->notify = NULL;
s->userdata = NULL;
r = pa_idxset_put(core->sources, s, &s->index);
assert(s->index != PA_IDXSET_INVALID && r >= 0);
pa_sample_spec_snprint(st, sizeof(st), spec);
pa_log_info(__FILE__": created %u \"%s\" with sample spec \"%s\"\n", s->index, s->name, st);
pa_subscription_post(core, PA_SUBSCRIPTION_EVENT_SOURCE | PA_SUBSCRIPTION_EVENT_NEW, s->index);
return s;
}
void pa_source_disconnect(struct pa_source *s) {
struct pa_source_output *o, *j = NULL;
assert(s && s->state == PA_SOURCE_RUNNING);
pa_namereg_unregister(s->core, s->name);
while ((o = pa_idxset_first(s->outputs, NULL))) {
assert(o != j);
pa_source_output_kill(o);
j = o;
}
pa_idxset_remove_by_data(s->core->sources, s, NULL);
pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE | PA_SUBSCRIPTION_EVENT_REMOVE, s->index);
s->notify = NULL;
s->state = PA_SOURCE_DISCONNECTED;
}
static void source_free(struct pa_source *s) {
assert(s && !s->ref);
if (s->state != PA_SOURCE_DISCONNECTED)
pa_source_disconnect(s);
pa_log_info(__FILE__": freed %u \"%s\"\n", s->index, s->name);
pa_idxset_free(s->outputs, NULL, NULL);
pa_xfree(s->name);
pa_xfree(s->description);
pa_xfree(s);
}
void pa_source_unref(struct pa_source *s) {
assert(s && s->ref >= 1);
if (!(--s->ref))
source_free(s);
}
struct pa_source* pa_source_ref(struct pa_source *s) {
assert(s && s->ref >= 1);
s->ref++;
return s;
}
void pa_source_notify(struct pa_source*s) {
assert(s && s->ref >= 1);
if (s->notify)
s->notify(s);
}
static int do_post(void *p, uint32_t index, int *del, void*userdata) {
const struct pa_memchunk *chunk = userdata;
struct pa_source_output *o = p;
assert(o && o->push && del && chunk);
pa_source_output_push(o, chunk);
return 0;
}
void pa_source_post(struct pa_source*s, const struct pa_memchunk *chunk) {
assert(s && s->ref >= 1 && chunk);
pa_source_ref(s);
pa_idxset_foreach(s->outputs, do_post, (void*) chunk);
pa_source_unref(s);
}
void pa_source_set_owner(struct pa_source *s, struct pa_module *m) {
assert(s);
s->owner = m;
}
pa_usec_t pa_source_get_latency(struct pa_source *s) {
assert(s && s->ref >= 1);
if (!s->get_latency)
return 0;
return s->get_latency(s);
}
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