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/* Libvisual-plugins - Standard plugins for libvisual
*
* Copyright (C) 2002, 2003, 2004, 2005, 2006 Dennis Smit <ds@nerds-incorporated.org>
*
* Authors: Dennis Smit <ds@nerds-incorporated.org>
*
* $Id: audio.c,v 1.6 2006/01/22 13:25:26 synap Exp $
*
* 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 <string.h>
#include <math.h>
#include "oinksie.h"
#include "common.h"
#include "gfx-palette.h"
#include "config.h"
#include "audio.h"
/* audio priv->audio.freq analyze */
void _oink_audio_analyse (OinksiePrivate *priv)
{
int i, j;
float total, mean;
priv->audio.bass = (priv->audio.freqsmall[0] + priv->audio.freqsmall[1]) * 20;
priv->audio.tripple = (priv->audio.freqsmall[2] + priv->audio.freqsmall[3]) * 100;
priv->audio.highest = MAX (priv->audio.bass, priv->audio.tripple);
if (priv->audio.bass >= 0 && priv->audio.bass <= 2)
priv->audio.musicmood = 0;
else if (priv->audio.bass >= 3 && priv->audio.bass <= 6)
priv->audio.musicmood = 1;
else if (priv->audio.bass >= 7 && priv->audio.bass <= 10)
priv->audio.musicmood = 2;
else
priv->audio.musicmood = 0;
priv->audio.beat = FALSE;
if (priv->audio.bass >= 9)
priv->audio.beat = TRUE;
}
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