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Protect a-comp's display/state against NaN/Inf.

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This commit is contained in:
Robin Gareus 2016-11-29 09:04:13 +01:00
parent 0fe62a34da
commit 5f1d94a7b2
1 changed files with 15 additions and 2 deletions
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17
libs/plugins/a-comp.lv2/a-comp.c
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@ -31,6 +31,13 @@
# define M_PI 3.14159265358979323846 # define M_PI 3.14159265358979323846
#endif #endif
#ifdef COMPILER_MSVC
#include <float.h>
#define isfinite_local(val) (bool)_finite((double)val)
#else
#define isfinite_local isfinite
#endif
typedef enum { typedef enum {
ACOMP_ATTACK = 0, ACOMP_ATTACK = 0,
ACOMP_RELEASE, ACOMP_RELEASE,
@ -357,7 +364,10 @@ run_mono(LV2_Handle instance, uint32_t n_samples)
acomp->makeup_gain = makeup_gain; acomp->makeup_gain = makeup_gain;
#ifdef LV2_EXTENDED #ifdef LV2_EXTENDED
acomp->v_lvl += .1 * (in_peak - acomp->v_lvl); // crude LPF TODO use n_samples/rate TC acomp->v_lvl += .1 * (in_peak - acomp->v_lvl) + 1e-12; // crude LPF TODO use n_samples/rate TC
if (!isfinite_local (acomp->v_lvl)) {
acomp->v_lvl = 0.f;
}
const float v_lvl_in = (acomp->v_lvl < 0.001f) ? -60.f : to_dB(acomp->v_lvl); const float v_lvl_in = (acomp->v_lvl < 0.001f) ? -60.f : to_dB(acomp->v_lvl);
const float v_lvl_out = (max < 0.001f) ? -60.f : to_dB(max); const float v_lvl_out = (max < 0.001f) ? -60.f : to_dB(max);
if (fabsf (acomp->v_lvl_out - v_lvl_out) >= 1 || fabsf (acomp->v_lvl_in - v_lvl_in) >= 1) { if (fabsf (acomp->v_lvl_out - v_lvl_out) >= 1 || fabsf (acomp->v_lvl_in - v_lvl_in) >= 1) {
@ -491,7 +501,10 @@ run_stereo(LV2_Handle instance, uint32_t n_samples)
acomp->makeup_gain = makeup_gain; acomp->makeup_gain = makeup_gain;
#ifdef LV2_EXTENDED #ifdef LV2_EXTENDED
acomp->v_lvl += .1 * (in_peak - acomp->v_lvl); // crude LPF TODO use n_samples/rate TC acomp->v_lvl += .1 * (in_peak - acomp->v_lvl) + 1e-12; // crude LPF TODO use n_samples/rate TC
if (!isfinite_local (acomp->v_lvl)) {
acomp->v_lvl = 0.f;
}
const float v_lvl_in = (acomp->v_lvl < 0.001f) ? -60.f : to_dB(acomp->v_lvl); const float v_lvl_in = (acomp->v_lvl < 0.001f) ? -60.f : to_dB(acomp->v_lvl);
const float v_lvl_out = (max < 0.001f) ? -60.f : to_dB(max); const float v_lvl_out = (max < 0.001f) ? -60.f : to_dB(max);
if (fabsf (acomp->v_lvl_out - v_lvl_out) >= 1 || fabsf (acomp->v_lvl_in - v_lvl_in) >= 1) { if (fabsf (acomp->v_lvl_out - v_lvl_out) >= 1 || fabsf (acomp->v_lvl_in - v_lvl_in) >= 1) {