57 lines
1.3 KiB
C++
57 lines
1.3 KiB
C++
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/* Copyright (C) Teemu Suutari */
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#ifndef DMSDECOMPRESSOR_HPP
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#define DMSDECOMPRESSOR_HPP
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#include "Decompressor.hpp"
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#include "common/MemoryBuffer.hpp"
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namespace ancient::internal
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{
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class DMSDecompressor : public Decompressor
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{
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public:
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DMSDecompressor(const Buffer &packedData,bool verify);
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virtual ~DMSDecompressor();
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virtual const std::string &getName() const noexcept override final;
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virtual size_t getPackedSize() const noexcept override final;
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virtual size_t getRawSize() const noexcept override final;
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virtual size_t getImageSize() const noexcept override final;
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virtual size_t getImageOffset() const noexcept override final;
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virtual void decompressImpl(Buffer &rawData,bool verify) override final;
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static bool detectHeader(uint32_t hdr) noexcept;
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static std::shared_ptr<Decompressor> create(const Buffer &packedData,bool exactSizeKnown,bool verify);
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private:
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void decompressImpl(Buffer &rawData,bool verify,uint32_t &restartPosition);
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class ShortInputError : public Error
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{
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// nothing needed
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};
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const Buffer &_packedData;
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uint32_t _packedSize=0;
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uint32_t _rawSize=0;
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uint32_t _contextBufferSize=0;
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uint32_t _tmpBufferSize=0;
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uint32_t _imageSize;
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uint32_t _rawOffset;
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uint32_t _minTrack;
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bool _isHD;
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bool _isObsfuscated;
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};
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}
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#endif
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