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/* null.c - NULL output plugin, useful, trust me :)
* Copyright (C) 1999 Andy Lo A Foe <andy@alsa-project.org>
*
* This file is part of AlsaPlayer.
*
* AlsaPlayer 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 3 of the License, or
* (at your option) any later version.
*
* AlsaPlayer 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "output_plugin.h"
#include "alsaplayer_error.h"
#include "utilities.h"
#include "ap_unused.h"
static int null_init(void)
{
alsaplayer_error("NOTE: THIS IS THE NULL PLUGIN."
" YOU WILL NOT HEAR SOUND!!");
return 1;
}
static int null_open(const char * UNUSED (name))
{
return 1;
}
static void null_close(void)
{
return;
}
static int null_write(short * UNUSED (data), int UNUSED (count))
{
dosleep(10000);
return 1;
}
static int null_set_buffer(int * UNUSED (fragment_size), int * UNUSED (fragment_count), int * UNUSED (channels))
{
return 1;
}
static unsigned int null_set_sample_rate(unsigned int rate)
{
return rate;
}
static int null_get_latency(void)
{
return 4096;
}
output_plugin null_output;
output_plugin *output_plugin_info(void)
{
memset(&null_output, 0, sizeof(output_plugin));
null_output.version = OUTPUT_PLUGIN_VERSION;
null_output.name = "NULL output v1.0";
null_output.author = "Andy Lo A Foe";
null_output.init = null_init;
null_output.open = null_open;
null_output.close = null_close;
null_output.write = null_write;
null_output.set_buffer = null_set_buffer;
null_output.set_sample_rate = null_set_sample_rate;
null_output.get_latency = null_get_latency;
return &null_output;
}
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