diff options
Diffstat (limited to 'alc/effects/distortion.cpp')
| -rw-r--r-- | alc/effects/distortion.cpp | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/alc/effects/distortion.cpp b/alc/effects/distortion.cpp index 7dd43008..0916b7c6 100644 --- a/alc/effects/distortion.cpp +++ b/alc/effects/distortion.cpp @@ -73,18 +73,16 @@ void DistortionState::update(const ALCcontext *context, const ALeffectslot *slot ALfloat cutoff{props->Distortion.LowpassCutoff}; /* Bandwidth value is constant in octaves. */ ALfloat bandwidth{(cutoff / 2.0f) / (cutoff * 0.67f)}; - /* Multiply sampling frequency by the amount of oversampling done during + /* Divide normalized frequency by the amount of oversampling done during * processing. */ auto frequency = static_cast<ALfloat>(device->Frequency); - mLowpass.setParams(BiquadType::LowPass, 1.0f, cutoff / (frequency*4.0f), - mLowpass.rcpQFromBandwidth(cutoff / (frequency*4.0f), bandwidth)); + mLowpass.setParamsFromBandwidth(BiquadType::LowPass, cutoff/frequency/4.0f, 1.0f, bandwidth); cutoff = props->Distortion.EQCenter; /* Convert bandwidth in Hz to octaves. */ bandwidth = props->Distortion.EQBandwidth / (cutoff * 0.67f); - mBandpass.setParams(BiquadType::BandPass, 1.0f, cutoff / (frequency*4.0f), - mBandpass.rcpQFromBandwidth(cutoff / (frequency*4.0f), bandwidth)); + mBandpass.setParamsFromBandwidth(BiquadType::BandPass, cutoff/frequency/4.0f, 1.0f, bandwidth); ALfloat coeffs[MAX_AMBI_CHANNELS]; CalcDirectionCoeffs({0.0f, 0.0f, -1.0f}, 0.0f, coeffs); |