diff options
Diffstat (limited to 'alc/effects/distortion.cpp')
| -rw-r--r-- | alc/effects/distortion.cpp | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/alc/effects/distortion.cpp b/alc/effects/distortion.cpp index 5e8253e8..d0946971 100644 --- a/alc/effects/distortion.cpp +++ b/alc/effects/distortion.cpp @@ -70,16 +70,17 @@ void DistortionState::deviceUpdate(const DeviceBase*, const BufferStorage*) } void DistortionState::update(const ContextBase *context, const EffectSlot *slot, - const EffectProps *props, const EffectTarget target) + const EffectProps *props_, const EffectTarget target) { + auto &props = std::get<DistortionProps>(*props_); const DeviceBase *device{context->mDevice}; /* Store waveshaper edge settings. */ - const float edge{minf(std::sin(al::numbers::pi_v<float>*0.5f * props->Distortion.Edge), + const float edge{minf(std::sin(al::numbers::pi_v<float>*0.5f * props.Edge), 0.99f)}; mEdgeCoeff = 2.0f * edge / (1.0f-edge); - float cutoff{props->Distortion.LowpassCutoff}; + float cutoff{props.LowpassCutoff}; /* Bandwidth value is constant in octaves. */ float bandwidth{(cutoff / 2.0f) / (cutoff * 0.67f)}; /* Divide normalized frequency by the amount of oversampling done during @@ -88,15 +89,15 @@ void DistortionState::update(const ContextBase *context, const EffectSlot *slot, auto frequency = static_cast<float>(device->Frequency); mLowpass.setParamsFromBandwidth(BiquadType::LowPass, cutoff/frequency/4.0f, 1.0f, bandwidth); - cutoff = props->Distortion.EQCenter; + cutoff = props.EQCenter; /* Convert bandwidth in Hz to octaves. */ - bandwidth = props->Distortion.EQBandwidth / (cutoff * 0.67f); + bandwidth = props.EQBandwidth / (cutoff * 0.67f); mBandpass.setParamsFromBandwidth(BiquadType::BandPass, cutoff/frequency/4.0f, 1.0f, bandwidth); static constexpr auto coeffs = CalcDirectionCoeffs(std::array{0.0f, 0.0f, -1.0f}); mOutTarget = target.Main->Buffer; - ComputePanGains(target.Main, coeffs, slot->Gain*props->Distortion.Gain, mGain); + ComputePanGains(target.Main, coeffs, slot->Gain*props.Gain, mGain); } void DistortionState::process(const size_t samplesToDo, const al::span<const FloatBufferLine> samplesIn, const al::span<FloatBufferLine> samplesOut) |