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- Implemented a realtime analyzer for loudness. - Added some utilities to multithreaded audio patching - Added some utilities to audio buses #rb Jimmy.Smith #jira UEAU-629 [CL 15032777 by Aaron McLeran in ue5-main branch]
83 lines
2.9 KiB
C++
83 lines
2.9 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "AudioAnalyzerFacade.h"
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#include "AudioAnalyzerModule.h"
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#include "IAudioAnalyzerInterface.h"
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#include "Features/IModularFeatures.h"
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namespace Audio
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{
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IAnalyzerFactory* GetAnalyzerFactory(FName InFactoryName)
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{
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// Get all analyzer nrt factories implementations.
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TArray<IAnalyzerFactory*> RegisteredFactories = IModularFeatures::Get().GetModularFeatureImplementations<IAnalyzerFactory>(IAnalyzerFactory::GetModularFeatureName());
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// Get the factory of interest by matching the name.
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TArray<IAnalyzerFactory*> MatchingFactories = RegisteredFactories.FilterByPredicate([InFactoryName](IAnalyzerFactory* Factory) { check(nullptr != Factory); return Factory->GetName() == InFactoryName; });
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if (0 == MatchingFactories.Num())
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{
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// There is a likely programming error if the factory is not found.
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UE_LOG(LogAudioAnalyzer, Error, TEXT("Failed to find factory of type '%s' with name '%s'"), *IAnalyzerFactory::GetModularFeatureName().ToString(), *InFactoryName.ToString());
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return nullptr;
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}
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if (MatchingFactories.Num() > 1)
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{
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// If multiple factories with the same name exist, the first one in the array will be used.
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UE_LOG(LogAudioAnalyzer, Warning, TEXT("Found multiple factories of type '%s' with name '%s'. Factory names should be unique."), *IAnalyzerFactory::GetModularFeatureName().ToString(), *InFactoryName.ToString());
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}
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return MatchingFactories[0];
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}
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FAnalyzerFacade::FAnalyzerFacade(TUniquePtr<IAnalyzerSettings> InSettings, IAnalyzerFactory* InFactory)
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: Settings(MoveTemp(InSettings))
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, Factory(InFactory)
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{
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}
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TUniquePtr<IAnalyzerResult> FAnalyzerFacade::AnalyzeAudioBuffer(const TArray<float>& InAudioBuffer, int32 InNumChannels, float InSampleRate)
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{
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if (nullptr == Factory)
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{
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UE_LOG(LogAudioAnalyzer, Error, TEXT("Cannot analyze audio due to null factory"));
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return TUniquePtr<IAnalyzerResult>();
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}
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// Create result and worker from factory
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if (!Worker.IsValid())
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{
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FAnalyzerParameters AnalyzerParameters(InSampleRate, InNumChannels);
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Worker = Factory->NewWorker(AnalyzerParameters, Settings.Get());
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}
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// Check that worker created successfully
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if (!Worker.IsValid())
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{
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UE_LOG(LogAudioAnalyzer, Error, TEXT("Failed to create IAnalyzerWorker with factory of type '%s' with name '%s'"), *IAnalyzerFactory::GetModularFeatureName().ToString(), *Factory->GetName().ToString());
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return TUniquePtr<IAnalyzerResult>();
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}
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TUniquePtr<IAnalyzerResult> Result = Factory->NewResult();
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// Check that result created successfully
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if (!Result.IsValid())
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{
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UE_LOG(LogAudioAnalyzer, Error, TEXT("Failed to create IAnalyzerResult with factory of type '%s' with name '%s'"), *Audio::IAnalyzerFactory::GetModularFeatureName().ToString(), *Factory->GetName().ToString());
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return TUniquePtr<IAnalyzerResult>();
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}
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// Perform and finalize audio analysis.
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Worker->Analyze(MakeArrayView(InAudioBuffer), Result.Get());
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return Result;
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}
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}
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