-/* $Id$ */
-
/***
This file is part of PulseAudio.
-
+
+ Copyright 2004-2006 Lennart Poettering
+ Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
+
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,
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
#endif
#include <stdlib.h>
-#include <assert.h>
#include <stdio.h>
#include <signal.h>
#include <pulsecore/core-scache.h>
#include <pulsecore/autoload.h>
#include <pulsecore/core-subscribe.h>
-#include <pulsecore/props.h>
+#include <pulsecore/shared.h>
#include <pulsecore/random.h>
+#include <pulsecore/log.h>
+#include <pulsecore/macro.h>
#include "core.h"
-pa_core* pa_core_new(pa_mainloop_api *m) {
+static PA_DEFINE_CHECK_TYPE(pa_core, pa_msgobject);
+
+static int core_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk) {
+ pa_core *c = PA_CORE(o);
+
+ pa_core_assert_ref(c);
+
+ switch (code) {
+
+ case PA_CORE_MESSAGE_UNLOAD_MODULE:
+ pa_module_unload(c, userdata, TRUE);
+ return 0;
+
+ default:
+ return -1;
+ }
+}
+
+static void core_free(pa_object *o);
+
+pa_core* pa_core_new(pa_mainloop_api *m, pa_bool_t shared, size_t shm_size) {
pa_core* c;
-
- c = pa_xnew(pa_core, 1);
+ pa_mempool *pool;
+ int j;
+
+ pa_assert(m);
+
+ if (shared) {
+ if (!(pool = pa_mempool_new(shared, shm_size))) {
+ pa_log_warn("failed to allocate shared memory pool. Falling back to a normal memory pool.");
+ shared = FALSE;
+ }
+ }
+
+ if (!shared) {
+ if (!(pool = pa_mempool_new(shared, shm_size))) {
+ pa_log("pa_mempool_new() failed.");
+ return NULL;
+ }
+ }
+
+ c = pa_msgobject_new(pa_core);
+ c->parent.parent.free = core_free;
+ c->parent.process_msg = core_process_msg;
c->mainloop = m;
c->clients = pa_idxset_new(NULL, NULL);
c->scache = NULL;
c->autoload_idxset = NULL;
c->autoload_hashmap = NULL;
- c->running_as_daemon = 0;
+ c->running_as_daemon = FALSE;
c->default_sample_spec.format = PA_SAMPLE_S16NE;
c->default_sample_spec.rate = 44100;
c->default_sample_spec.channels = 2;
+ c->default_n_fragments = 4;
+ c->default_fragment_size_msec = 25;
c->module_auto_unload_event = NULL;
c->module_defer_unload_event = NULL;
PA_LLIST_HEAD_INIT(pa_subscription_event, c->subscription_event_queue);
c->subscription_event_last = NULL;
- c->memblock_stat = pa_memblock_stat_new();
+ c->mempool = pool;
+ pa_silence_cache_init(&c->silence_cache);
- c->disallow_module_loading = 0;
-
- c->quit_event = NULL;
+ c->exit_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;
+ c->resample_method = PA_RESAMPLER_SPEEX_FLOAT_BASE + 3;
- c->is_system_instance = 0;
+ c->disallow_module_loading = FALSE;
+ c->disallow_exit = FALSE;
+ c->realtime_scheduling = FALSE;
+ c->realtime_priority = 5;
+ c->disable_remixing = FALSE;
+ c->disable_lfe_remixing = FALSE;
- pa_hook_init(&c->hook_sink_input_new, c);
- pa_hook_init(&c->hook_sink_input_disconnect, c);
+ for (j = 0; j < PA_CORE_HOOK_MAX; j++)
+ pa_hook_init(&c->hooks[j], c);
- pa_property_init(c);
+ pa_shared_init(c);
pa_random(&c->cookie, sizeof(c->cookie));
-
+
#ifdef SIGPIPE
pa_check_signal_is_blocked(SIGPIPE);
#endif
+
+ pa_core_check_idle(c);
+
return c;
}
-void pa_core_free(pa_core *c) {
- assert(c);
+static void core_free(pa_object *o) {
+ pa_core *c = PA_CORE(o);
+ int j;
+ pa_assert(c);
pa_module_unload_all(c);
- assert(!c->modules);
+ pa_assert(!c->modules);
- assert(pa_idxset_isempty(c->clients));
+ pa_assert(pa_idxset_isempty(c->clients));
pa_idxset_free(c->clients, NULL, NULL);
-
- assert(pa_idxset_isempty(c->sinks));
+
+ pa_assert(pa_idxset_isempty(c->sinks));
pa_idxset_free(c->sinks, NULL, NULL);
- assert(pa_idxset_isempty(c->sources));
+ pa_assert(pa_idxset_isempty(c->sources));
pa_idxset_free(c->sources, NULL, NULL);
-
- assert(pa_idxset_isempty(c->source_outputs));
+
+ pa_assert(pa_idxset_isempty(c->source_outputs));
pa_idxset_free(c->source_outputs, NULL, NULL);
-
- assert(pa_idxset_isempty(c->sink_inputs));
+
+ pa_assert(pa_idxset_isempty(c->sink_inputs));
pa_idxset_free(c->sink_inputs, NULL, NULL);
pa_scache_free(c);
pa_autoload_free(c);
pa_subscription_free_all(c);
- if (c->quit_event)
- c->mainloop->time_free(c->quit_event);
+ if (c->exit_event)
+ c->mainloop->time_free(c->exit_event);
pa_xfree(c->default_source_name);
pa_xfree(c->default_sink_name);
- pa_memblock_stat_unref(c->memblock_stat);
+ pa_silence_cache_done(&c->silence_cache);
+ pa_mempool_free(c->mempool);
+
+ pa_shared_cleanup(c);
- pa_property_cleanup(c);
+ for (j = 0; j < PA_CORE_HOOK_MAX; j++)
+ pa_hook_done(&c->hooks[j]);
- pa_hook_free(&c->hook_sink_input_new);
- pa_hook_free(&c->hook_sink_input_disconnect);
-
- pa_xfree(c);
+ pa_xfree(c);
}
-static void quit_callback(pa_mainloop_api*m, pa_time_event *e, PA_GCC_UNUSED const struct timeval *tv, void *userdata) {
+static void exit_callback(pa_mainloop_api*m, pa_time_event *e, const struct timeval *tv, void *userdata) {
pa_core *c = userdata;
- assert(c->quit_event = e);
+ pa_assert(c->exit_event == e);
- m->quit(m, 0);
+ pa_log_info("We are idle, quitting...");
+ pa_core_exit(c, TRUE, 0);
}
-void pa_core_check_quit(pa_core *c) {
- assert(c);
+void pa_core_check_idle(pa_core *c) {
+ pa_assert(c);
+
+ if (!c->exit_event &&
+ c->exit_idle_time >= 0 &&
+ pa_idxset_size(c->clients) == 0) {
- if (!c->quit_event && c->exit_idle_time >= 0 && pa_idxset_size(c->clients) == 0) {
struct timeval tv;
pa_gettimeofday(&tv);
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_size(c->clients) > 0) {
- c->mainloop->time_free(c->quit_event);
- c->quit_event = NULL;
+
+ c->exit_event = c->mainloop->time_new(c->mainloop, &tv, exit_callback, c);
+
+ } else if (c->exit_event && pa_idxset_size(c->clients) > 0) {
+ c->mainloop->time_free(c->exit_event);
+ c->exit_event = NULL;
}
}
+int pa_core_exit(pa_core *c, pa_bool_t force, int retval) {
+ pa_assert(c);
+
+ if (c->disallow_exit && !force)
+ return -1;
+
+ c->mainloop->quit(c->mainloop, retval);
+ return 0;
+}