Tune filters and get reverb to work

1 files changed, 8 insertions, 6 deletions

diff --git a/src/DSP/CombFilter.cpp b/src/DSP/CombFilter.cpp
index f7eff21..d572d47 100644
--- a/src/DSP/CombFilter.cpp
+++ b/src/DSP/CombFilter.cpp
@@ -1,20 +1,22 @@
 #include "CombFilter.h"
 
-void CombFilter::prepare(double sampleRate, int samplesPerBlock) {
+void CombFilter::prepare(double sampleRate, int samplesPerBlock, int delayInSamples, float gain) {
   int maxDelayTimeMs = 100;
   int maxDelaySamples = static_cast<int>(sampleRate * maxDelayTimeMs / 1000.0);
 
   delayBuffer.resize(maxDelaySamples, 0.0f);
-  delayInSamples = static_cast<int>(sampleRate * 0.02);
+  //delayInSamples = static_cast<int>(sampleRate * delayInSeconds);
   delayBufferWritePos = 0;
+  this->delayInSamples_ = delayInSamples;
+  this->gain = gain;
 }
 
 void CombFilter::process(float* sample) {
   int delayBufferLength = (int)delayBuffer.size();
-  int delayReadPos = (delayBufferWritePos - delayInSamples + delayBufferLength) % delayBufferLength;
+  int delayReadPos = (delayBufferWritePos - delayInSamples_ + delayBufferLength) % delayBufferLength;
   float delayedSample = delayBuffer[delayReadPos];
-  float out = *sample + gain * delayedSample;
-  delayBuffer[delayBufferWritePos] = *sample;
-  *sample = out;
+  float yn = *sample + gain * delayedSample;
+  delayBuffer[delayBufferWritePos] = yn;
+  *sample = yn;
   delayBufferWritePos = (delayBufferWritePos + 1) % delayBufferLength;
 }