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LADSPA - Fix various floating point errors (#3927)

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* swh - Dyson Compressor, fix NaN

* swh - shaper_1187, division with 0

* Division with 0 in calf limiter
This commit is contained in:
Oskar Wallgren
2017-10-31 02:33:37 +01:00
committed by GitHub
parent 7e107f5914
commit 88b940fa05
3 changed files with 6 additions and 5 deletions
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1
plugins/LadspaEffect/calf/src/audio_fx.cpp
View File

@@ -731,6 +731,7 @@ void lookahead_limiter::process(float &left, float &right, float * multi_buffer)
_peak = fabs(buffer[nextpos[j]]) > fabs(buffer[nextpos[j] + 1]) ? fabs(buffer[nextpos[j]]) : fabs(buffer[nextpos[j] + 1]);
// calc a delta to use to reach our incoming peak from the
// stored position
_peak = std::max( _peak, 0.000001f );
_delta = (_limit / peak - (limit * _multi_coeff * weight) / _peak) / (((buffer_size - nextpos[j] + pos) % buffer_size) / channels);
if(_delta < nextdelta[j]) {
// if the buffered delta is more important than the delta

2
plugins/LadspaEffect/swh/dyson_compress_1403.c
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@@ -836,7 +836,7 @@ static void __attribute__((constructor)) swh_init() {
D_("Release time (s)");
port_range_hints[DYSONCOMPRESS_RELEASE_TIME].HintDescriptor =
LADSPA_HINT_BOUNDED_BELOW | LADSPA_HINT_BOUNDED_ABOVE | LADSPA_HINT_DEFAULT_LOW;
port_range_hints[DYSONCOMPRESS_RELEASE_TIME].LowerBound = 0;
port_range_hints[DYSONCOMPRESS_RELEASE_TIME].LowerBound = 0.0000001;
port_range_hints[DYSONCOMPRESS_RELEASE_TIME].UpperBound = 1;
/* Parameters for Fast compression ratio */

8
plugins/LadspaEffect/swh/shaper_1187.c
View File

@@ -115,8 +115,8 @@ static void runShaper(LADSPA_Handle instance, unsigned long sample_count) {
if (shapep < 1.0f && shapep > -1.0f) {
shape = 1.0f;
} else if (shape < 0) {
shape = -1.0f / shape;
} else if (shapep < 0) {
shape = -1.0f / shapep;
} else {
shape = shapep;
}
@@ -160,8 +160,8 @@ static void runAddingShaper(LADSPA_Handle instance, unsigned long sample_count)
if (shapep < 1.0f && shapep > -1.0f) {
shape = 1.0f;
} else if (shape < 0) {
shape = -1.0f / shape;
} else if (shapep < 0) {
shape = -1.0f / shapep;
} else {
shape = shapep;
}