SamsungV0Decompressor.h

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/*
    RawSpeed - RAW file decoder.
 
    Copyright (C) 2017 Roman Lebedev
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
 
#pragma once
 
#include "bitstreams/BitStreamerMSB32.h"
#include "decompressors/AbstractSamsungDecompressor.h"
#include "io/ByteStream.h"
#include <cstdint>
#include <vector>
 
namespace rawspeed {
 
class RawImage;
 
// Decoder for compressed srw files (NX300 and later)
class SamsungV0Decompressor final : public AbstractSamsungDecompressor {
  std::vector<ByteStream> stripes;
 
  void computeStripes(ByteStream bso, ByteStream bsr);
 
  void decompressStrip(int row, ByteStream bs) const;
 
  static int32_t calcAdj(BitStreamerMSB32& bits, int b);
 
public:
  SamsungV0Decompressor(const RawImage& image, ByteStream bso, ByteStream bsr);
 
  void decompress() const;
};
 
} // namespace rawspeed