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/***
This file is part of PulseAudio.
Copyright 2008 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 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 <modules/dbus-util.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("sco_sink=<name of sink> "
"sco_source=<name of source>"
"async=<Asynchronous initialization?>");
static const char* const valid_modargs[] = {
"sco_sink",
"sco_source",
"async",
NULL
};
struct userdata {
pa_module *module;
pa_modargs *modargs;
pa_core *core;
pa_dbus_connection *connection;
pa_bluetooth_discovery *discovery;
};
static void load_module_for_device(struct userdata *u, pa_bluetooth_device *d, pa_bool_t good) {
pa_assert(u);
pa_assert(d);
if (good &&
d->device_connected > 0 &&
(d->audio_sink_connected > 0 || d->headset_connected > 0)) {
if (((uint32_t) PA_PTR_TO_UINT(d->data))-1 == PA_INVALID_INDEX) {
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 (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;
}
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)
d->data = PA_UINT_TO_PTR((uint32_t) (m->index+1));
else
pa_log_debug("Failed to load module for device %s", d->path);
}
} else {
if (((uint32_t) PA_PTR_TO_UINT(d->data))-1 != PA_INVALID_INDEX) {
/* 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, (uint32_t) (PA_PTR_TO_UINT(d->data))-1, TRUE);
d->data = NULL;
}
}
}
static int setup_dbus(struct userdata *u) {
DBusError err;
dbus_error_init(&err);
u->connection = pa_dbus_bus_get(u->core, DBUS_BUS_SYSTEM, &err);
if (dbus_error_is_set(&err) || !u->connection) {
pa_log("Failed to get D-Bus connection: %s", err.message);
dbus_error_free(&err);
return -1;
}
return 0;
}
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;
if (setup_dbus(u) < 0)
goto fail;
if (!(u->discovery = pa_bluetooth_discovery_new(pa_dbus_connection_get(u->connection), load_module_for_device, u)))
goto fail;
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->discovery)
pa_bluetooth_discovery_free(u->discovery);
if (u->connection)
pa_dbus_connection_unref(u->connection);
if (u->modargs)
pa_modargs_free(u->modargs);
pa_xfree(u);
}
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