RadAudioInfo.h

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