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33 lines
666 B
C++
33 lines
666 B
C++
#ifndef AXIO_CBITSTREAMINWRAPPER_H
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#define AXIO_CBITSTREAMINWRAPPER_H
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#include <cstdint>
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class IInputStream;
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class CBitStreamInWrapper
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{
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public:
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enum EChunkSize
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{
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k8Bit = 8, k16Bit = 16, k32Bit = 32
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};
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private:
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IInputStream *mpSourceStream = nullptr;
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EChunkSize mChunkSize{};
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uint32_t mBitPool = 0;
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uint32_t mBitsRemaining = 0;
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public:
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explicit CBitStreamInWrapper(IInputStream *pStream, EChunkSize ChunkSize = k32Bit);
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void SetChunkSize(EChunkSize Size);
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long ReadBits(uint32_t NumBits, bool ExtendSignBit = true);
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bool ReadBit();
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private:
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void ReplenishPool();
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};
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#endif // AXIO_CBITSTREAMINWRAPPER_H
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