/**
 * projectM -- Milkdrop-esque visualisation SDK
 * Copyright (C)2003-2007 projectM Team
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 * See 'LICENSE.txt' included within this release
 *
 */
/**
 * $Id$
 *
 * Beat detection class. Takes decompressed sound buffers and returns
 * various characteristics
 *
 * $Log$
 *
 */
#ifndef _BEAT_DETECT_H
#define _BEAT_DETECT_H

#include "../PCM.hpp"
#include "../dlldefs.h"


class DLLEXPORT BeatDetect
{
public:
  float treb;
  float mid;
  float bass;
  float vol_old;
  float beat_sensitivity;
  float treb_att;
  float mid_att;
  float bass_att;
  float vol;

  PCM *pcm;

  /** Methods */
  BeatDetect(PCM *pcm);
  ~BeatDetect();
  void initBeatDetect();
  void reset();
  void detectFromSamples();
  void getBeatVals ( float *vdataL, float *vdataR );

private:
  /** Vars */
  float beat_buffer[32][80],
        beat_instant[32],
        beat_history[32];
  float beat_val[32],
        beat_att[32],
        beat_variance[32];
  int   beat_buffer_pos;
  float vol_buffer[80],
        vol_instant,
        vol_history;
};

#endif /** !_BEAT_DETECT_H */