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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 "normalize.h"
#include "compress.h"
#include "conf.h"
#define DEFAULT_VOLUME_NORMALIZATION 0
int normalizationEnabled;
void initNormalization(void)
{
normalizationEnabled = getBoolConfigParam(CONF_VOLUME_NORMALIZATION, 1);
if (normalizationEnabled == CONF_BOOL_UNSET)
normalizationEnabled = DEFAULT_VOLUME_NORMALIZATION;
if (normalizationEnabled)
CompressCfg(0, ANTICLIP, TARGET, GAINMAX, GAINSMOOTH, BUCKETS);
}
void finishNormalization(void)
{
if (normalizationEnabled) CompressFree();
}
void normalizeData(char *buffer, int bufferSize, const AudioFormat *format)
{
if ((format->bits != 16) || (format->channels != 2)) return;
CompressDo(buffer, bufferSize);
}
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