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20742757be
- Implement/encapsulate binding for analyzer output/sender logic - Move to using FAnyDataReferences where possible over collections for analyzers - Misc clean-up #jira UE-147027 #rb phil.popp #preflight 627d3884332e182a583f19b3 [CL 20167469 by Rob Gay in ue5-main branch]
58 lines
1.8 KiB
C++
58 lines
1.8 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "Analysis/MetasoundFrontendVertexAnalyzerEnvelopeFollower.h"
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#include "MetasoundAudioBuffer.h"
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#include "MetasoundDataReference.h"
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#include "MetasoundPrimitives.h"
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#include "MetasoundRouter.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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const FAnalyzerOutput& FVertexAnalyzerEnvelopeFollower::FOutputs::GetValue()
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{
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static FAnalyzerOutput Value = { "EnvelopeValue", GetMetasoundDataTypeName<float>() };
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return Value;
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}
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const FName& FVertexAnalyzerEnvelopeFollower::GetAnalyzerName()
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{
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static const FName AnalyzerName = "UE.Audio.EnvelopeFollower"; return AnalyzerName;
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}
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const FName& FVertexAnalyzerEnvelopeFollower::GetDataType()
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{
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return GetMetasoundDataTypeName<FAudioBuffer>();
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}
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FVertexAnalyzerEnvelopeFollower::FVertexAnalyzerEnvelopeFollower(const FCreateAnalyzerParams& InParams)
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: FVertexAnalyzerBase(InParams.AnalyzerAddress, InParams.VertexDataReference)
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, EnvelopeValue(TDataWriteReference<float>::CreateNew())
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{
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Audio::FEnvelopeFollowerInitParams Params;
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Params.Mode = Audio::EPeakMode::RootMeanSquared;
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Params.SampleRate = InParams.OperatorSettings.GetSampleRate();
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Params.NumChannels = 1;
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Params.AttackTimeMsec = 10;
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Params.ReleaseTimeMsec = 10;
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EnvelopeFollower.Init(Params);
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FVertexAnalyzerBase::BindOutputData<float>(FOutputs::GetValue().Name, InParams.OperatorSettings, TDataReadReference<float>(EnvelopeValue));
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}
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void FVertexAnalyzerEnvelopeFollower::Execute()
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{
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const FAudioBuffer& AudioBuffer = GetVertexData<FAudioBuffer>();
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EnvelopeFollower.ProcessAudio(AudioBuffer.GetData(), AudioBuffer.Num());
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check(EnvelopeFollower.GetEnvelopeValues().Num() == 1);
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*EnvelopeValue = EnvelopeFollower.GetEnvelopeValues().Last();
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MarkOutputDirty();
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}
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} // namespace Frontend
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} // namespace Metasound
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