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41 lines
1.4 KiB
C++
41 lines
1.4 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "AudioDecompress.h"
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/**
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* Decoder thunk to the RAD Audio libraries. Also manages file parsing
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* for the cooked data.
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*/
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class FRadAudioInfo : public IStreamedCompressedInfo
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{
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public:
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RADAUDIODECODER_API FRadAudioInfo();
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RADAUDIODECODER_API virtual ~FRadAudioInfo();
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//~ Begin IStreamedCompressedInfo Interface
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virtual bool ParseHeader(const uint8* InSrcBufferData, uint32 InSrcBufferDataSize, FSoundQualityInfo* QualityInfo) override;
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virtual int32 GetFrameSize() override;
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virtual uint32 GetMaxFrameSizeSamples() const override;
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virtual bool CreateDecoder() override;
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virtual void SeekToTime(const float SeekToTimeSeconds) override;
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virtual void SeekToFrame(const uint32 SeekTimeFrames) override;
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virtual void PrepareToLoop() override;
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virtual FDecodeResult Decode(const uint8* CompressedData, const int32 CompressedDataSize, uint8* OutPCMData, const int32 OutputPCMDataSize) override;
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virtual bool HasError() const override;
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//~ End IStreamedCompressedInfo Interface
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protected:
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using Super = IStreamedCompressedInfo;
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// This is allocated on demand so that streaming sources can avoid allocating the memory.
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// These are all int16 but left as uint8 so we can use SampleStride.
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TArray<uint8> OutputReservoir;
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struct RadAudioDecoder* Decoder = 0;
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TArray<uint8> RawMemory;
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bool bErrorStateLatch = false;
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uint32 ConsumeFrameCount = 0;
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};
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