diff options
| author | Robin Gareus <robin@gareus.org> | 2016-11-29 09:04:13 +0100 |
|---|---|---|
| committer | Robin Gareus <robin@gareus.org> | 2016-11-29 09:04:13 +0100 |
| commit | 5f1d94a7b23c828711741c072e41697ceaea3a13 (patch) | |
| tree | 742ad127b831a0b52b1b919ff0b0c1b323cdf929 | |
| parent | 0fe62a34dab8dad7be81f9f010f2f74ab2bcb8c1 (diff) | |
Protect a-comp's display/state against NaN/Inf.
| -rw-r--r-- | libs/plugins/a-comp.lv2/a-comp.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/libs/plugins/a-comp.lv2/a-comp.c b/libs/plugins/a-comp.lv2/a-comp.c index b27ab1d3f6..43d6b31b90 100644 --- a/libs/plugins/a-comp.lv2/a-comp.c +++ b/libs/plugins/a-comp.lv2/a-comp.c @@ -31,6 +31,13 @@ # define M_PI 3.14159265358979323846 #endif +#ifdef COMPILER_MSVC +#include <float.h> +#define isfinite_local(val) (bool)_finite((double)val) +#else +#define isfinite_local isfinite +#endif + typedef enum { ACOMP_ATTACK = 0, ACOMP_RELEASE, @@ -357,7 +364,10 @@ run_mono(LV2_Handle instance, uint32_t n_samples) acomp->makeup_gain = makeup_gain; #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_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) { @@ -491,7 +501,10 @@ run_stereo(LV2_Handle instance, uint32_t n_samples) acomp->makeup_gain = makeup_gain; #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_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) { |