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/* the Music Player Daemon (MPD)
* Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
* This project's homepage is: http://www.musicpd.org
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "../output_api.h"
#include "../timer.h"
#include <glib.h>
#include <assert.h>
struct null_data {
bool sync;
Timer *timer;
};
static void *
null_init(G_GNUC_UNUSED struct audio_output *audio_output,
G_GNUC_UNUSED const struct audio_format *audio_format,
G_GNUC_UNUSED const struct config_param *param)
{
struct null_data *nd = g_new(struct null_data, 1);
nd->sync = config_get_block_bool(param, "sync", true);
nd->timer = NULL;
return nd;
}
static void
null_finish(void *data)
{
struct null_data *nd = data;
assert(nd->timer == NULL);
g_free(nd);
}
static bool
null_open(void *data, struct audio_format *audio_format)
{
struct null_data *nd = data;
if (nd->sync)
nd->timer = timer_new(audio_format);
return true;
}
static void
null_close(void *data)
{
struct null_data *nd = data;
if (nd->timer != NULL) {
timer_free(nd->timer);
nd->timer = NULL;
}
}
static size_t
null_play(void *data, G_GNUC_UNUSED const char *chunk, size_t size)
{
struct null_data *nd = data;
Timer *timer = nd->timer;
if (!nd->sync)
return size;
if (!timer->started)
timer_start(timer);
else
timer_sync(timer);
timer_add(timer, size);
return size;
}
static void
null_cancel(void *data)
{
struct null_data *nd = data;
if (!nd->sync)
return;
timer_reset(nd->timer);
}
const struct audio_output_plugin null_output_plugin = {
.name = "null",
.init = null_init,
.finish = null_finish,
.open = null_open,
.close = null_close,
.play = null_play,
.cancel = null_cancel,
};
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