ModularEffectBox/DelayL.cpp at master · IBEngineering/ModularEffectBox · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
/*
 * DelayL.cpp
 *
 *  Created on: Jan 6, 2018
 *      Author: borgert
 */

#include "DelayL.h"

DelayL :: DelayL( float delay, float * delayMemory, uint16_t delayMemSz )
{
  if ( delay < 0.0 ) {
	 return;
  }

  if ( delay > (float) delayMemSz ) {
    return;
  }

  this->delayMem = delayMemory;
  this->delayMemSize = delayMemSz;

  inPoint_ = 0;
  delay_ = delay;
  doNextOut_ = true;
  alpha_ = 0;
  omAlpha_ = 0;
  outPoint_ = 0;
  inPoint_ = 0;
  nextOutput_ = 0;
  gain_ = 1;


  this->setDelay( delay );
}

DelayL :: ~DelayL()
{
}


float DelayL :: tapOut( unsigned long tapDelay )
{
  long tap = inPoint_ - tapDelay - 1;
  while ( tap < 0 ) // Check for wraparound.
    tap += delayMemSize;

  return delayMem[tap];
}

void DelayL :: tapIn( float value, unsigned long tapDelay )
{
  long tap = inPoint_ - tapDelay - 1;
  while ( tap < 0 ) // Check for wraparound.
    tap += delayMemSize;

  delayMem[tap] = value;
}