ref: 61205ba2be7fbb6b695eb0bdfa8ffc0ed365ac0b
parent: 5e8c53ea42e1adb25289198c739f1257613d351f
author: Matthew Wang <Matthew@nat-oitwireless-inside-vapornet100-10-9-53-29.princeton.edu>
date: Fri Dec 20 11:28:56 EST 2019
oversampler buffer size fix
--- a/LEAF/Src/leaf-distortion.c
+++ b/LEAF/Src/leaf-distortion.c
@@ -23,7 +23,7 @@
//============================================================================================================
void tLockhartWavefolder_init(tLockhartWavefolder* const wf)
{- _tLockhartWavefolder* w = *wf = (_tLockhartWavefolder*) leaf_alloc(sizeof(_tLockhartWavefolder));
+ _tLockhartWavefolder* w = *wf = (_tLockhartWavefolder*) leaf_alloc(sizeof(_tLockhartWavefolder));
w->Ln1 = 0.0;
w->Fn1 = 0.0;
@@ -221,8 +221,8 @@
os->numTaps = firNumTaps[idx];
os->phaseLength = os->numTaps / os->ratio;
os->pCoeffs = (float*) firCoeffs[idx];
- os->upState = leaf_alloc(sizeof(float) * os->phaseLength);
- os->downState = leaf_alloc(sizeof(float) * os->phaseLength);
+ os->upState = leaf_alloc(sizeof(float) * os->numTaps * 2);
+ os->downState = leaf_alloc(sizeof(float) * os->numTaps * 2);
}
}
@@ -256,10 +256,10 @@
_tOversampler* os = *osr;
float *pState = os->upState; /* State pointer */
- const float *pCoeffs = os->pCoeffs; /* Coefficient pointer */
+ float *pCoeffs = os->pCoeffs; /* Coefficient pointer */
float *pStateCur;
float *ptr1; /* Temporary pointer for state buffer */
- const float *ptr2; /* Temporary pointer for coefficient buffer */
+ float *ptr2; /* Temporary pointer for coefficient buffer */
float sum0; /* Accumulators */
uint32_t i, tapCnt; /* Loop counters */
uint32_t phaseLen = os->phaseLength; /* Length of each polyphase filter component */
@@ -329,7 +329,7 @@
/* Points to the start of the state buffer */
pStateCur = os->upState;
-
+
/* Initialize tapCnt with number of samples */
tapCnt = (phaseLen - 1U);
@@ -349,10 +349,10 @@
_tOversampler* os = *osr;
float *pState = os->downState; /* State pointer */
- const float *pCoeffs = os->pCoeffs; /* Coefficient pointer */
+ float *pCoeffs = os->pCoeffs; /* Coefficient pointer */
float *pStateCur; /* Points to the current sample of the state */
float *px0; /* Temporary pointer for state buffer */
- const float *pb; /* Temporary pointer for coefficient buffer */
+ float *pb; /* Temporary pointer for coefficient buffer */
float x0, c0; /* Temporary variables to hold state and coefficient values */
float acc0; /* Accumulator */
uint32_t numTaps = os->numTaps; /* Number of filter coefficients in the filter */