diff options
Diffstat (limited to 'alc/effects/autowah.cpp')
| -rw-r--r-- | alc/effects/autowah.cpp | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/alc/effects/autowah.cpp b/alc/effects/autowah.cpp index f28cfd54..5e396d0c 100644 --- a/alc/effects/autowah.cpp +++ b/alc/effects/autowah.cpp @@ -107,16 +107,17 @@ ALboolean ALautowahState::deviceUpdate(const ALCdevice*) void ALautowahState::update(const ALCcontext *context, const ALeffectslot *slot, const EffectProps *props, const EffectTarget target) { const ALCdevice *device{context->mDevice.get()}; + const auto frequency = static_cast<float>(device->Frequency); const ALfloat ReleaseTime{clampf(props->Autowah.ReleaseTime, 0.001f, 1.0f)}; - mAttackRate = expf(-1.0f / (props->Autowah.AttackTime*device->Frequency)); - mReleaseRate = expf(-1.0f / (ReleaseTime*device->Frequency)); + mAttackRate = std::exp(-1.0f / (props->Autowah.AttackTime*frequency)); + mReleaseRate = std::exp(-1.0f / (ReleaseTime*frequency)); /* 0-20dB Resonance Peak gain */ mResonanceGain = std::sqrt(std::log10(props->Autowah.Resonance)*10.0f / 3.0f); mPeakGain = 1.0f - std::log10(props->Autowah.PeakGain/AL_AUTOWAH_MAX_PEAK_GAIN); - mFreqMinNorm = MIN_FREQ / device->Frequency; - mBandwidthNorm = (MAX_FREQ-MIN_FREQ) / device->Frequency; + mFreqMinNorm = MIN_FREQ / frequency; + mBandwidthNorm = (MAX_FREQ-MIN_FREQ) / frequency; mOutTarget = target.Main->Buffer; for(size_t i{0u};i < slot->Wet.Buffer.size();++i) |