HasselbladDecompressor.h

Go to the documentation of this file.

/*
    RawSpeed - RAW file decoder.
 
    Copyright (C) 2009-2014 Klaus Post
    Copyright (C) 2017 Axel Waggershauser
    Copyright (C) 2023 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 "adt/Array1DRef.h"
#include "bitstreams/BitStreamerMSB32.h"
#include "codes/PrefixCodeDecoder.h"
#include "common/RawImage.h"
#include "io/Buffer.h"
#include "io/ByteStream.h"
#include <cstdint>
 
namespace rawspeed {
 
class HasselbladDecompressor final {
public:
  struct PerComponentRecipe final {
    const PrefixCodeDecoder<>& ht;
    const uint16_t initPred;
  };
 
private:
  const RawImage mRaw;
 
  const PerComponentRecipe& rec;
 
  const Array1DRef<const uint8_t> input;
 
  static int getBits(BitStreamerMSB32& bs, int len);
 
public:
  HasselbladDecompressor(RawImage mRaw, const PerComponentRecipe& rec,
                         Array1DRef<const uint8_t> input);
 
  [[nodiscard]] ByteStream::size_type decompress();
};
 
} // namespace rawspeed