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Distotion_Unit.cpp@0:53e66485c864, 2011-05-01 (annotated)

User	Revision	Line number	New contents of line
faker	0:53e66485c864	1	/*****************************************************/
faker	0:53e66485c864	2	/* Distotion_Unit.cpp */
faker	0:53e66485c864	3	/* */
faker	0:53e66485c864	4	/*****************************************************/
faker	0:53e66485c864	5
faker	0:53e66485c864	6	#define DIST_MAIN
faker	0:53e66485c864	7	#include "Distotion_Unit.h"
faker	0:53e66485c864	8
faker	0:53e66485c864	9	#define inputGain (1.0)
faker	0:53e66485c864	10	#define clipLevel (15000)
faker	0:53e66485c864	11	#define outputGain (1.0)
faker	0:53e66485c864	12
faker	0:53e66485c864	13	#define LIMIT_P (32767)
faker	0:53e66485c864	14	#define LIMIT_N (-32768)
faker	0:53e66485c864	15
faker	0:53e66485c864	16	int distotion(int iEffectIn) {
faker	0:53e66485c864	17
faker	0:53e66485c864	18	int iSignal;
faker	0:53e66485c864	19
faker	0:53e66485c864	20	// Input Gain
faker	0:53e66485c864	21	iSignal = iEffectIn * inputGain;
faker	0:53e66485c864	22
faker	0:53e66485c864	23	// Clip
faker	0:53e66485c864	24	if (iSignal >= clipLevel)iSignal = clipLevel;
faker	0:53e66485c864	25	if (iSignal <= -clipLevel)iSignal = -clipLevel;
faker	0:53e66485c864	26
faker	0:53e66485c864	27	// Output Gain
faker	0:53e66485c864	28	iSignal *= outputGain;
faker	0:53e66485c864	29	if (iSignal >= LIMIT_P)iSignal = LIMIT_P;
faker	0:53e66485c864	30	if (iSignal <= LIMIT_N)iSignal = LIMIT_N;
faker	0:53e66485c864	31
faker	0:53e66485c864	32	return iSignal;
faker	0:53e66485c864	33
faker	0:53e66485c864	34	}