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/***
This file is part of PulseAudio.
Copyright 2008-2009 Joao Paulo Rechi Vita
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 2.1 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
USA.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <pulse/xmalloc.h>
#include <pulsecore/module.h>
#include <pulsecore/core-util.h>
#include <pulsecore/modargs.h>
#include <pulsecore/macro.h>
#include <pulsecore/llist.h>
#include <pulsecore/core-util.h>
#include <pulsecore/dbus-shared.h>
#include "module-bluetooth-discover-symdef.h"
#include "bluetooth-util.h"
PA_MODULE_AUTHOR("Joao Paulo Rechi Vita");
PA_MODULE_DESCRIPTION("Detect available bluetooth audio devices and load bluetooth audio drivers");
PA_MODULE_VERSION(PACKAGE_VERSION);
PA_MODULE_USAGE("async=<Asynchronous initialization?>");
PA_MODULE_LOAD_ONCE(TRUE);
/*
#ifdef NOKIA
"sco_sink=<name of sink> "
"sco_source=<name of source>"
#endif
*/
static const char* const valid_modargs[] = {
#ifdef NOKIA
"sco_sink",
"sco_source",
#endif
"async",
NULL
};
struct userdata {
pa_module *module;
pa_modargs *modargs;
pa_core *core;
pa_bluetooth_discovery *discovery;
pa_hook_slot *slot;
pa_hashmap *hashmap;
};
struct module_info {
char *path;
uint32_t module;
};
static pa_hook_result_t load_module_for_device(pa_bluetooth_discovery *y, const pa_bluetooth_device *d, struct userdata *u) {
struct module_info *mi;
pa_assert(u);
pa_assert(d);
mi = pa_hashmap_get(u->hashmap, d->path);
if (!d->dead &&
d->device_connected > 0 && (d->audio_state >= PA_BT_AUDIO_STATE_CONNECTED || d->audio_source_state >= PA_BT_AUDIO_STATE_CONNECTED)) {
if (!mi) {
pa_module *m = NULL;
char *args;
/* Oh, awesome, a new device has shown up and been connected! */
args = pa_sprintf_malloc("address=\"%s\" path=\"%s\"", d->address, d->path);
#if 0
/* This is in case we have to use hsp immediately, without waiting for .Audio.State = Connected */
if (d->headset_state >= PA_BT_AUDIO_STATE_CONNECTED && somecondition) {
char *tmp;
tmp = pa_sprintf_malloc("%s profile=\"hsp\"", args);
pa_xfree(args);
args = tmp;
}
#endif
#ifdef NOKIA
if (pa_modargs_get_value(u->modargs, "sco_sink", NULL) &&
pa_modargs_get_value(u->modargs, "sco_source", NULL)) {
char *tmp;
tmp = pa_sprintf_malloc("%s sco_sink=\"%s\" sco_source=\"%s\"", args,
pa_modargs_get_value(u->modargs, "sco_sink", NULL),
pa_modargs_get_value(u->modargs, "sco_source", NULL));
pa_xfree(args);
args = tmp;
}
#endif
if (d->audio_source_state >= PA_BT_AUDIO_STATE_CONNECTED)
args = pa_sprintf_malloc("%s profile=\"a2dp_source\" auto_connect=no", args);
pa_log_debug("Loading module-bluetooth-device %s", args);
m = pa_module_load(u->module->core, "module-bluetooth-device", args);
pa_xfree(args);
if (m) {
mi = pa_xnew(struct module_info, 1);
mi->module = m->index;
mi->path = pa_xstrdup(d->path);
pa_hashmap_put(u->hashmap, mi->path, mi);
} else
pa_log_debug("Failed to load module for device %s", d->path);
}
} else {
if (mi) {
/* Hmm, disconnection? Then let's unload our module */
pa_log_debug("Unloading module for %s", d->path);
pa_module_unload_request_by_index(u->core, mi->module, TRUE);
pa_hashmap_remove(u->hashmap, mi->path);
pa_xfree(mi->path);
pa_xfree(mi);
}
}
return PA_HOOK_OK;
}
int pa__init(pa_module* m) {
struct userdata *u;
pa_modargs *ma = NULL;
pa_bool_t async = FALSE;
pa_assert(m);
if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
pa_log("Failed to parse module arguments");
goto fail;
}
if (pa_modargs_get_value_boolean(ma, "async", &async) < 0) {
pa_log("Failed to parse async argument.");
goto fail;
}
m->userdata = u = pa_xnew0(struct userdata, 1);
u->module = m;
u->core = m->core;
u->modargs = ma;
ma = NULL;
u->hashmap = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
if (!(u->discovery = pa_bluetooth_discovery_get(u->core)))
goto fail;
u->slot = pa_hook_connect(pa_bluetooth_discovery_hook(u->discovery), PA_HOOK_NORMAL, (pa_hook_cb_t) load_module_for_device, u);
if (!async)
pa_bluetooth_discovery_sync(u->discovery);
return 0;
fail:
pa__done(m);
if (ma)
pa_modargs_free(ma);
return -1;
}
void pa__done(pa_module* m) {
struct userdata *u;
pa_assert(m);
if (!(u = m->userdata))
return;
if (u->slot)
pa_hook_slot_free(u->slot);
if (u->discovery)
pa_bluetooth_discovery_unref(u->discovery);
if (u->hashmap) {
struct module_info *mi;
while ((mi = pa_hashmap_steal_first(u->hashmap))) {
pa_xfree(mi->path);
pa_xfree(mi);
}
pa_hashmap_free(u->hashmap, NULL, NULL);
}
if (u->modargs)
pa_modargs_free(u->modargs);
pa_xfree(u);
}
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