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Prevent distortion filter from introducing NaNs in the audio buffer.

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This commit is contained in:
Ellen Poe 2021-02-18 16:53:26 -08:00
parent a59286f019
commit b6b97b86ab
1 changed files with 2 additions and 1 deletions
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3
servers/audio/effects/audio_effect_distortion.cpp
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@ -58,7 +58,8 @@ void AudioEffectDistortionInstance::process(const AudioFrame *p_src_frames, Audi
switch (base->mode) { switch (base->mode) {
case AudioEffectDistortion::MODE_CLIP: { case AudioEffectDistortion::MODE_CLIP: {
a = powf(a, 1.0001 - drive_f); float a_sign = a < 0 ? -1.0f : 1.0f;
a = powf(abs(a), 1.0001 - drive_f) * a_sign;
if (a > 1.0) { if (a > 1.0) {
a = 1.0; a = 1.0;
} else if (a < (-1.0)) { } else if (a < (-1.0)) {