tf_dsp.h

一个96K的3D游戏源码

/* ###########################################################################
*
*    ------  /   /  /\   /  /---  -----  /  ----  /   /
*       /   /   /  /  \ /  /---   -/-   /   \--  /---/
*      /    \---  /    /  /---    /    /  ----/ /   /
*
*       t i n y   m u s i c   s y n t h e s i z e r 
* 
* Copyright 2004, Christian Loos
* [e-mail]
*
* ########################################################################### */

#ifndef TUNEFISH_DSP_H
#define TUNEFISH_DSP_H

const int         DSP_NONE          = 0;
const int         DSP_XDELAY        = 1;
const int         DSP_REVERB        = 2;
const int         DSP_CHORUS        = 3;
const int         DSP_PHASER        = 4;
const int         DSP_DISTORT       = 5;
const int         DSP_WAVESHAPER    = 6;
const int         DSP_EQ            = 7;
const int         DSP_LOWPASS       = 8;
const int		  DSP_GAIN		    = 9;
const int		  DSP_SURROUND	    = 10;
const int         DSP_GAPPER        = 11;
const int         DSP_HIGHPASS      = 12;
const int         DSP_BANDPASS      = 13;

class DSP
{
public:
   DSP(Synth *synth, double *dblEffects, double ticklength);
   ~DSP();

   // ---------------------------------------------------------------
   //    Variables
   // ---------------------------------------------------------------

   BYTE           m_bNumFilters;
   Filter **      m_Filters;

   BYTE           m_bNumSources;
   float **       m_Sources;
   BYTE *         m_Data;

   Synth *        m_Synth;

   // ---------------------------------------------------------------
   //    Functions
   // ---------------------------------------------------------------

   void           process();
   void           fft(float *fftBuffer, SDWORD fftFrameSize, SDWORD sign);
};

#endif