src/libprojectM/PCM.hpp

/**
 * 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
 *
 */
/**
 * $Id$
 *
 * Encapsulation of raw sound buffer. Used in beat detection
 *
 * $Log$
 */

#ifndef _PCM_H
#define _PCM_H


#include "dlldefs.h"


class 
#ifdef WIN32 
DLLEXPORT 
#endif 
PCM {
public:
  float   **PCMd;
  int     start;

  /** Use wave smoothing */
  float   waveSmoothing;

  int     *ip;
  double  *w;
  int     newsamples;

  int     numsamples; //size of new PCM info
  float   *pcmdataL;     //holder for most recent pcm data
  float   *pcmdataR;     //holder for most recent pcm data

  /** PCM data */
  float   vdataL[512];  //holders for FFT data (spectrum)
  float   vdataR[512];

  static int  maxsamples;

        PCM();
        ~PCM();
  void  initPCM (int maxsamples);
  void  addPCMfloat (const float *PCMdata, int samples);
  void  addPCM16 (short [2][512]);
  void  addPCM16Data (const short* pcm_data, short samples);
  void  addPCM8 (unsigned char [2][1024]);
  void  addPCM8_512 (const unsigned char [2][512]);
  void  getPCM (float *data, int samples, int channel, int freq, float smoothing, int derive);
  void  freePCM ();
  int   getPCMnew (float *PCMdata, int channel, int freq, float smoothing, int derive,int reset);
};

#endif /** !_PCM_H */