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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 <stdlib.h>
#include <assert.h>
#include <stdio.h>
#include <signal.h>
#include "core.h"
#include "module.h"
#include "sink.h"
#include "source.h"
#include "namereg.h"
#include "util.h"
#include "scache.h"
#include "autoload.h"
#include "xmalloc.h"
#include "subscribe.h"
#include "props.h"
#include "random.h"
struct pa_core* pa_core_new(struct pa_mainloop_api *m) {
struct pa_core* c;
c = pa_xmalloc(sizeof(struct pa_core));
c->mainloop = m;
c->clients = pa_idxset_new(NULL, NULL);
c->sinks = pa_idxset_new(NULL, NULL);
c->sources = pa_idxset_new(NULL, NULL);
c->source_outputs = pa_idxset_new(NULL, NULL);
c->sink_inputs = pa_idxset_new(NULL, NULL);
c->default_source_name = c->default_sink_name = NULL;
c->modules = NULL;
c->namereg = NULL;
c->scache = NULL;
c->autoload_idxset = NULL;
c->autoload_hashmap = NULL;
c->default_sample_spec.format = PA_SAMPLE_S16NE;
c->default_sample_spec.rate = 44100;
c->default_sample_spec.channels = 2;
c->module_auto_unload_event = NULL;
c->module_defer_unload_event = NULL;
c->scache_auto_unload_event = NULL;
c->subscription_defer_event = NULL;
c->subscription_event_queue = NULL;
c->subscriptions = NULL;
c->memblock_stat = pa_memblock_stat_new();
c->disallow_module_loading = 0;
c->quit_event = NULL;
c->exit_idle_time = -1;
c->module_idle_time = 20;
c->scache_idle_time = 20;
c->resample_method = PA_RESAMPLER_SRC_SINC_FASTEST;
pa_property_init(c);
pa_random(&c->cookie, sizeof(c->cookie));
pa_check_signal_is_blocked(SIGPIPE);
return c;
}
void pa_core_free(struct pa_core *c) {
assert(c);
pa_module_unload_all(c);
assert(!c->modules);
assert(pa_idxset_isempty(c->clients));
pa_idxset_free(c->clients, NULL, NULL);
assert(pa_idxset_isempty(c->sinks));
pa_idxset_free(c->sinks, NULL, NULL);
assert(pa_idxset_isempty(c->sources));
pa_idxset_free(c->sources, NULL, NULL);
assert(pa_idxset_isempty(c->source_outputs));
pa_idxset_free(c->source_outputs, NULL, NULL);
assert(pa_idxset_isempty(c->sink_inputs));
pa_idxset_free(c->sink_inputs, NULL, NULL);
pa_scache_free(c);
pa_namereg_free(c);
pa_autoload_free(c);
pa_subscription_free_all(c);
if (c->quit_event)
c->mainloop->time_free(c->quit_event);
pa_xfree(c->default_source_name);
pa_xfree(c->default_sink_name);
pa_memblock_stat_unref(c->memblock_stat);
pa_property_cleanup(c);
pa_xfree(c);
}
static void quit_callback(struct pa_mainloop_api*m, struct pa_time_event *e, const struct timeval *tv, void *userdata) {
struct pa_core *c = userdata;
assert(c->quit_event = e);
m->quit(m, 0);
}
void pa_core_check_quit(struct pa_core *c) {
assert(c);
if (!c->quit_event && c->exit_idle_time >= 0 && pa_idxset_ncontents(c->clients) == 0) {
struct timeval tv;
gettimeofday(&tv, NULL);
tv.tv_sec+= c->exit_idle_time;
c->quit_event = c->mainloop->time_new(c->mainloop, &tv, quit_callback, c);
} else if (c->quit_event && pa_idxset_ncontents(c->clients) > 0) {
c->mainloop->time_free(c->quit_event);
c->quit_event = NULL;
}
}
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