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/*
* fmrxd - a daemon to enable and multiplex access to the N950/N9 radio tuner
* Copyright (C) 2011 Javier S. Pedro <maemo@javispedro.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program 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 General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <glib.h>
#include "fmrxd.h"
static guint start_source_id = 0;
static guint stop_source_id = 0;
static bool active = false;
bool radio_active()
{
return active;
}
void radio_start()
{
g_return_if_fail(!active);
g_debug("Starting radio");
bool ok;
ok = configure_bt_muxer(true);
if (!ok) goto fail_start;
configure_mixer(true);
if (!ok) goto fail_start;
configure_tuner(true);
if (!ok) goto fail_start;
configure_capture(true);
if (!ok) goto fail_start;
// Not essential.
configure_signal(true);
configure_rds(true);
active = true;
return; // Success
fail_start:
g_critical("Radio failed to start!");
// Try to force a stop
active = true;
radio_stop();
}
void radio_stop()
{
g_return_if_fail(active);
g_debug("Stopping radio");
configure_rds(false);
configure_signal(false);
configure_capture(false);
configure_tuner(false);
configure_mixer(false);
configure_bt_muxer(false);
server_notify_stopped();
active = false;
}
static gboolean radio_start_func(gpointer data)
{
radio_start();
start_source_id = 0;
return FALSE;
}
static gboolean radio_stop_func(gpointer data)
{
radio_stop();
stop_source_id = 0;
return FALSE;
}
void radio_queue_start()
{
if (stop_source_id) {
/* If there was a queued stop pending, remove it. */
g_source_remove(stop_source_id);
}
if (!radio_active() && !start_source_id) {
start_source_id = g_idle_add(radio_start_func, NULL);
}
}
void radio_queue_stop()
{
if (start_source_id) {
/* If there is a queued start, remove it. */
g_source_remove(start_source_id);
}
if (radio_active() && !stop_source_id) {
stop_source_id = g_timeout_add_seconds(RADIO_LINGER_TIME,
radio_stop_func, NULL);
}
}
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