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- Up to CL8320930 from DevOnline and 8311605 Merge Down from Main - skipped some Fortnite content/plugins/code where it tried to reintegrate files that had been moved pending investigation #rb none [CL 8321295 by Josh Markiewicz in Main branch]
57 lines
1.3 KiB
C++
57 lines
1.3 KiB
C++
// Copyright 1998-2019 Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "DSP/Delay.h"
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#include "DSP/LFO.h"
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namespace Audio
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{
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namespace EChorusDelays
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{
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enum Type
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{
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Left,
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Center,
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Right,
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NumDelayTypes
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};
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}
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class SIGNALPROCESSING_API FChorus
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{
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public:
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FChorus();
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~FChorus();
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void Init(const float InSampleRate, const int32 InNumChannels, const float InDelayLengthSec = 2.0f, const int32 InControlSamplePeriod = 256);
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void SetDepth(const EChorusDelays::Type InType, const float InDepth);
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void SetFrequency(const EChorusDelays::Type InType, const float InFrequency);
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void SetFeedback(const EChorusDelays::Type InType, const float InFeedback);
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void SetWetLevel(const float InWetLevel);
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void SetDryLevel(const float InDryLevel);
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void SetSpread(const float InSpread);
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void ProcessAudioFrame(const float* InFrame, float* OutFrame);
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void ProcessAudio(const float* InBuffer, const int32 InNumSamples, float* OutBuffer);
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protected:
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FDelay Delays[EChorusDelays::NumDelayTypes];
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FLFO LFOs[EChorusDelays::NumDelayTypes];
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FLinearEase Depth[EChorusDelays::NumDelayTypes];
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float Feedback[EChorusDelays::NumDelayTypes];
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float MinDelayMsec;
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float MaxDelayMsec;
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float DelayRangeMsec;
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float Spread;
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float MaxFrequencySpread;
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float WetLevel;
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float DryLevel;
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int32 NumChannels;
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};
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}
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