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/*
* Copyright (C) 2003-2009 The Music Player Daemon Project
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include "normalize.h"
#include "AudioCompress/compress.h"
#include "conf.h"
#include "audio_format.h"
#define DEFAULT_VOLUME_NORMALIZATION 0
int normalizationEnabled;
static struct Compressor *compressor;
void initNormalization(void)
{
normalizationEnabled = config_get_bool(CONF_VOLUME_NORMALIZATION,
DEFAULT_VOLUME_NORMALIZATION);
if (normalizationEnabled)
compressor = Compressor_new(0);
}
void finishNormalization(void)
{
if (normalizationEnabled)
Compressor_delete(compressor);
}
void normalizeData(void *buffer, int bufferSize,
const struct audio_format *format)
{
if (format->format != SAMPLE_FORMAT_S16 || format->channels != 2)
return;
Compressor_Process_int16(compressor, buffer, bufferSize / 2);
}
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