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51 lines
1.4 KiB
C++
51 lines
1.4 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "Analysis/MetasoundFrontendAnalyzerFactory.h"
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#include "Containers/Array.h"
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#include "DSP/BufferVectorOperations.h"
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#include "DSP/EnvelopeFollower.h"
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#include "MetasoundPrimitives.h"
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#include "MetasoundTrigger.h"
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namespace Metasound
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{
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namespace Frontend
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{
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class FVertexAnalyzerTriggerDensity : public FVertexAnalyzerBase
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{
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public:
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METASOUNDFRONTEND_API static const FName& GetAnalyzerName();
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METASOUNDFRONTEND_API static const FName& GetDataType();
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struct FOutputs
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{
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METASOUNDFRONTEND_API static const FAnalyzerOutput& GetValue();
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};
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class FFactory : public TVertexAnalyzerFactory<FVertexAnalyzerTriggerDensity>
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{
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public:
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virtual const TArray<FAnalyzerOutput>& GetAnalyzerOutputs() const override
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{
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static const TArray<FAnalyzerOutput> Outputs { FOutputs::GetValue() };
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return Outputs;
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}
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};
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METASOUNDFRONTEND_API FVertexAnalyzerTriggerDensity(const FCreateAnalyzerParams& InParams);
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METASOUNDFRONTEND_API virtual ~FVertexAnalyzerTriggerDensity();
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METASOUNDFRONTEND_API virtual void Execute() override;
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private:
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Audio::FEnvelopeFollower EnvelopeFollower;
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TDataWriteReference<float> EnvelopeValue;
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int32 NumFramesPerBlock = 0;
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Audio::FAlignedFloatBuffer ScratchBuffer;
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};
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} // namespace Frontend
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} // namespace Metasound
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