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add NaN/Inf protection now that bypass no longer de/activates

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This commit is contained in:
Robin Gareus 2016-08-27 14:10:51 +02:00
parent 36776bafcd
commit 62de4d0c31
2 changed files with 37 additions and 2 deletions
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21
libs/plugins/a-reverb.lv2/a-reverb.c
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@ -32,6 +32,13 @@
#define RV_NZ 7
#define DENORMAL_PROTECT (1e-14)
#ifdef COMPILER_MSVC
#include <float.h>
#define isfinite_local(val) (bool)_finite((double)val)
#else
#define isfinite_local isfinite
#endif
typedef struct {
float* delays[2][RV_NZ]; /**< delay line buffer */
@ -164,10 +171,15 @@ reverb (b_reverb* r,
for (size_t i = 0; i < n_samples; ++i) {
int j;
float y;
const float xo0 = *xp0++;
const float xo1 = *xp1++;
float xo0 = *xp0++;
float xo1 = *xp1++;
if (!isfinite_local(xo0) || fabsf (xo0) > 10.f) { xo0 = 0; }
if (!isfinite_local(xo1) || fabsf (xo1) > 10.f) { xo1 = 0; }
xo0 += DENORMAL_PROTECT;
xo1 += DENORMAL_PROTECT;
const float x0 = y_1_0 + (inputGain * xo0);
const float x1 = y_1_1 + (inputGain * xo1);
float xa = 0.0;
float xb = 0.0;
/* First we do four feedback comb filters (ie parallel delay lines,
@ -220,6 +232,11 @@ reverb (b_reverb* r,
*yp1++ = ((wet * y) + (dry * xo1));
}
if (!isfinite_local(y_1_0)) { y_1_0 = 0; }
if (!isfinite_local(yy1_1)) { yy1_0 = 0; }
if (!isfinite_local(y_1_1)) { y_1_1 = 0; }
if (!isfinite_local(yy1_1)) { yy1_1 = 0; }
r->y_1_0 = y_1_0 + DENORMAL_PROTECT;
r->yy1_0 = yy1_0 + DENORMAL_PROTECT;
r->y_1_1 = y_1_1 + DENORMAL_PROTECT;