uint32_t zfits::UncompressHUFFMAN16 ( char *  dest, const char *  src, uint32_t  numChunks  )

inlineprivate

Definition at line 466 of file zfits.h.

References Huffman::Decode().

Referenced by UncompressBuffer().

    {
        std::vector<uint16_t> uncompressed;

        //read compressed sizes (one per row)
        const uint32_t* compressedSizes = reinterpret_cast<const uint32_t*>(src);
        src += sizeof(uint32_t)*numChunks;

        //uncompress the rows, one by one
        uint32_t sizeWritten = 0;
        for (uint32_t j=0;j<numChunks;j++)
        {
            Huffman::Decode(reinterpret_cast<const unsigned char*>(src), compressedSizes[j], uncompressed);

            memcpy(dest, uncompressed.data(), uncompressed.size()*sizeof(uint16_t));

            sizeWritten += uncompressed.size()*sizeof(uint16_t);
            dest        += uncompressed.size()*sizeof(uint16_t);
            src         += compressedSizes[j];
        }
        return sizeWritten;
    }

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