/usr/include/pdal/io/BpfCompressor.hpp is in libpdal-dev 1.6.0-1build2.
This file is owned by root:root, with mode 0o644.
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* Copyright (c) 2015, Hobu Inc., hobu@hobu.co
*
* All rights reserved.
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* modification, are permitted provided that the following
* conditions are met:
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* * Redistributions in binary form must reproduce the above copyright
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* the documentation and/or other materials provided
* with the distribution.
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* names of its contributors may be used to endorse or promote
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* written permission.
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#pragma once
#include <stdexcept>
#include <ostream>
#include <zlib.h>
#include <pdal/util/Charbuf.hpp>
#include <pdal/util/OStream.hpp>
namespace pdal
{
class BpfCompressor
{
public:
struct error : public std::runtime_error
{
error(const std::string& err) : std::runtime_error(err)
{}
};
BpfCompressor(OLeStream& out, size_t maxSize) :
m_out(out), m_inbuf(maxSize), m_blockStart(out), m_rawSize(0),
m_compressedSize(0)
{}
void startBlock();
void finish();
void compress();
private:
static const int CHUNKSIZE = 1000000;
OLeStream& m_out;
Charbuf m_charbuf;
std::vector<char> m_inbuf;
z_stream m_strm;
unsigned char m_tmpbuf[CHUNKSIZE];
OStreamMarker m_blockStart;
size_t m_rawSize;
size_t m_compressedSize;
};
} // namespace pdal
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