/* -*- C++ -*-

 * Copyright 2019-2025 LibRaw LLC (info@libraw.org)

 *

 LibRaw is free software; you can redistribute it and/or modify

 it under the terms of the one of two licenses as you choose:

1. GNU LESSER GENERAL PUBLIC LICENSE version 2.1

   (See file LICENSE.LGPL provided in LibRaw distribution archive for details).

2. COMMON DEVELOPMENT AND DISTRIBUTION LICENSE (CDDL) Version 1.0

   (See file LICENSE.CDDL provided in LibRaw distribution archive for details).

 */

#include "../../internal/dcraw_defs.h"

// void hexDump(char *title, void *addr, int len);

unsigned sget4_order (short _order, uchar *s);

double sget_fixed32u (short _order, uchar *s);

double AngleConversion_a (short _order, uchar *s);

double AngleConversion (short _order, uchar *s);

static const uchar xlat[2][256] = {

    {0xc1, 0xbf, 0x6d, 0x0d, 0x59, 0xc5, 0x13, 0x9d, 0x83, 0x61, 0x6b, 0x4f,

     0xc7, 0x7f, 0x3d, 0x3d, 0x53, 0x59, 0xe3, 0xc7, 0xe9, 0x2f, 0x95, 0xa7,

     0x95, 0x1f, 0xdf, 0x7f, 0x2b, 0x29, 0xc7, 0x0d, 0xdf, 0x07, 0xef, 0x71,

     0x89, 0x3d, 0x13, 0x3d, 0x3b, 0x13, 0xfb, 0x0d, 0x89, 0xc1, 0x65, 0x1f,

     0xb3, 0x0d, 0x6b, 0x29, 0xe3, 0xfb, 0xef, 0xa3, 0x6b, 0x47, 0x7f, 0x95,

     0x35, 0xa7, 0x47, 0x4f, 0xc7, 0xf1, 0x59, 0x95, 0x35, 0x11, 0x29, 0x61,

     0xf1, 0x3d, 0xb3, 0x2b, 0x0d, 0x43, 0x89, 0xc1, 0x9d, 0x9d, 0x89, 0x65,

     0xf1, 0xe9, 0xdf, 0xbf, 0x3d, 0x7f, 0x53, 0x97, 0xe5, 0xe9, 0x95, 0x17,

     0x1d, 0x3d, 0x8b, 0xfb, 0xc7, 0xe3, 0x67, 0xa7, 0x07, 0xf1, 0x71, 0xa7,

     0x53, 0xb5, 0x29, 0x89, 0xe5, 0x2b, 0xa7, 0x17, 0x29, 0xe9, 0x4f, 0xc5,

     0x65, 0x6d, 0x6b, 0xef, 0x0d, 0x89, 0x49, 0x2f, 0xb3, 0x43, 0x53, 0x65,

     0x1d, 0x49, 0xa3, 0x13, 0x89, 0x59, 0xef, 0x6b, 0xef, 0x65, 0x1d, 0x0b,

     0x59, 0x13, 0xe3, 0x4f, 0x9d, 0xb3, 0x29, 0x43, 0x2b, 0x07, 0x1d, 0x95,

     0x59, 0x59, 0x47, 0xfb, 0xe5, 0xe9, 0x61, 0x47, 0x2f, 0x35, 0x7f, 0x17,

     0x7f, 0xef, 0x7f, 0x95, 0x95, 0x71, 0xd3, 0xa3, 0x0b, 0x71, 0xa3, 0xad,

     0x0b, 0x3b, 0xb5, 0xfb, 0xa3, 0xbf, 0x4f, 0x83, 0x1d, 0xad, 0xe9, 0x2f,

     0x71, 0x65, 0xa3, 0xe5, 0x07, 0x35, 0x3d, 0x0d, 0xb5, 0xe9, 0xe5, 0x47,

     0x3b, 0x9d, 0xef, 0x35, 0xa3, 0xbf, 0xb3, 0xdf, 0x53, 0xd3, 0x97, 0x53,

     0x49, 0x71, 0x07, 0x35, 0x61, 0x71, 0x2f, 0x43, 0x2f, 0x11, 0xdf, 0x17,

     0x97, 0xfb, 0x95, 0x3b, 0x7f, 0x6b, 0xd3, 0x25, 0xbf, 0xad, 0xc7, 0xc5,

     0xc5, 0xb5, 0x8b, 0xef, 0x2f, 0xd3, 0x07, 0x6b, 0x25, 0x49, 0x95, 0x25,

     0x49, 0x6d, 0x71, 0xc7},

    {0xa7, 0xbc, 0xc9, 0xad, 0x91, 0xdf, 0x85, 0xe5, 0xd4, 0x78, 0xd5, 0x17,

     0x46, 0x7c, 0x29, 0x4c, 0x4d, 0x03, 0xe9, 0x25, 0x68, 0x11, 0x86, 0xb3,

     0xbd, 0xf7, 0x6f, 0x61, 0x22, 0xa2, 0x26, 0x34, 0x2a, 0xbe, 0x1e, 0x46,

     0x14, 0x68, 0x9d, 0x44, 0x18, 0xc2, 0x40, 0xf4, 0x7e, 0x5f, 0x1b, 0xad,

     0x0b, 0x94, 0xb6, 0x67, 0xb4, 0x0b, 0xe1, 0xea, 0x95, 0x9c, 0x66, 0xdc,

     0xe7, 0x5d, 0x6c, 0x05, 0xda, 0xd5, 0xdf, 0x7a, 0xef, 0xf6, 0xdb, 0x1f,

     0x82, 0x4c, 0xc0, 0x68, 0x47, 0xa1, 0xbd, 0xee, 0x39, 0x50, 0x56, 0x4a,

     0xdd, 0xdf, 0xa5, 0xf8, 0xc6, 0xda, 0xca, 0x90, 0xca, 0x01, 0x42, 0x9d,

     0x8b, 0x0c, 0x73, 0x43, 0x75, 0x05, 0x94, 0xde, 0x24, 0xb3, 0x80, 0x34,

     0xe5, 0x2c, 0xdc, 0x9b, 0x3f, 0xca, 0x33, 0x45, 0xd0, 0xdb, 0x5f, 0xf5,

     0x52, 0xc3, 0x21, 0xda, 0xe2, 0x22, 0x72, 0x6b, 0x3e, 0xd0, 0x5b, 0xa8,

     0x87, 0x8c, 0x06, 0x5d, 0x0f, 0xdd, 0x09, 0x19, 0x93, 0xd0, 0xb9, 0xfc,

     0x8b, 0x0f, 0x84, 0x60, 0x33, 0x1c, 0x9b, 0x45, 0xf1, 0xf0, 0xa3, 0x94,

     0x3a, 0x12, 0x77, 0x33, 0x4d, 0x44, 0x78, 0x28, 0x3c, 0x9e, 0xfd, 0x65,

     0x57, 0x16, 0x94, 0x6b, 0xfb, 0x59, 0xd0, 0xc8, 0x22, 0x36, 0xdb, 0xd2,

     0x63, 0x98, 0x43, 0xa1, 0x04, 0x87, 0x86, 0xf7, 0xa6, 0x26, 0xbb, 0xd6,

     0x59, 0x4d, 0xbf, 0x6a, 0x2e, 0xaa, 0x2b, 0xef, 0xe6, 0x78, 0xb6, 0x4e,

     0xe0, 0x2f, 0xdc, 0x7c, 0xbe, 0x57, 0x19, 0x32, 0x7e, 0x2a, 0xd0, 0xb8,

     0xba, 0x29, 0x00, 0x3c, 0x52, 0x7d, 0xa8, 0x49, 0x3b, 0x2d, 0xeb, 0x25,

     0x49, 0xfa, 0xa3, 0xaa, 0x39, 0xa7, 0xc5, 0xa7, 0x50, 0x11, 0x36, 0xfb,

     0xc6, 0x67, 0x4a, 0xf5, 0xa5, 0x12, 0x65, 0x7e, 0xb0, 0xdf, 0xaf, 0x4e,

     0xb3, 0x61, 0x7f, 0x2f} };

void LibRaw::processNikonLensData(uchar *LensData, unsigned len)

{

  ushort i=0;

  if (imgdata.lens.nikon.LensType & 0x80) {

    strcpy (ilm.LensFeatures_pre, "AF-P");

  } else if (!(imgdata.lens.nikon.LensType & 0x01)) {

    ilm.LensFeatures_pre[0] = 'A';

    ilm.LensFeatures_pre[1] = 'F';

  } else {

    ilm.LensFeatures_pre[0] = 'M';

    ilm.LensFeatures_pre[1] = 'F';

  }

  if (imgdata.lens.nikon.LensType & 0x40) {

    ilm.LensFeatures_suf[0] = 'E';

  } else if (imgdata.lens.nikon.LensType & 0x04) {

    ilm.LensFeatures_suf[0] = 'G';

  } else if (imgdata.lens.nikon.LensType & 0x02) {

    ilm.LensFeatures_suf[0] = 'D';

  }

  if (imgdata.lens.nikon.LensType & 0x08)

  {

    ilm.LensFeatures_suf[1] = ' ';

    ilm.LensFeatures_suf[2] = 'V';

    ilm.LensFeatures_suf[3] = 'R';

  }

  if (imgdata.lens.nikon.LensType & 0x10)

  {

    ilm.LensMount = ilm.CameraMount = LIBRAW_MOUNT_Nikon_CX;

    ilm.CameraFormat = ilm.LensFormat = LIBRAW_FORMAT_1INCH;

  }

  else

    ilm.LensMount = ilm.CameraMount = LIBRAW_MOUNT_Nikon_F;

  if (imgdata.lens.nikon.LensType & 0x20)

  {

    strcpy(ilm.Adapter, "FT-1");

    ilm.LensMount = LIBRAW_MOUNT_Nikon_F;

    ilm.CameraMount = LIBRAW_MOUNT_Nikon_CX;

    ilm.CameraFormat = LIBRAW_FORMAT_1INCH;

  }

  imgdata.lens.nikon.LensType = imgdata.lens.nikon.LensType & 0xdf;

  if ((len < 20) || (len == 58) || (len == 108))

  {

    switch (len)

    {

    case 9:

      i = 2;

      break;

    case 15:

      i = 7;

      break;

    case 16:

      i = 8;

      break;

    case  58: // "Z 6", "Z 6 II", "Z 7", "Z 7 II", "Z 50", D780, "Z 5", "Z fc"

    case 108: // "Z 9", "Z 30", "Z 8", "Z6_2"

      if (model[6] == 'Z')

        ilm.CameraMount = LIBRAW_MOUNT_Nikon_Z;

      if (imNikon.HighSpeedCropFormat != 12)

        ilm.CameraFormat = LIBRAW_FORMAT_FF;

      i = 1;

      while ((LensData[i] == LensData[0]) && (i < 17))

        i++;

      if (i == 17)

      {

        ilm.LensMount = LIBRAW_MOUNT_Nikon_Z;

        ilm.LensID = sget2(LensData + 0x2c);

        if (

               (ilm.LensID == 11)

            || (ilm.LensID == 12)

            || (ilm.LensID == 26)

            || (ilm.LensID == 41)

            || (ilm.LensID == 43)

            || (ilm.LensID == 0xd003)

           ) ilm.LensFormat = LIBRAW_FORMAT_APSC;

        else ilm.LensFormat = LIBRAW_FORMAT_FF;

        if (ilm.MaxAp4CurFocal < 0.7f)

          ilm.MaxAp4CurFocal = libraw_powf64l(

              2.0f, (float)sget2(LensData + 0x32) / 384.0f - 1.0f);

        if (ilm.CurAp < 0.7f)

          ilm.CurAp = libraw_powf64l(

              2.0f, (float)sget2(LensData + 0x34) / 384.0f - 1.0f);

        if (fabsf(ilm.CurFocal) < 1.1f)

          ilm.CurFocal = sget2(LensData + 0x38);

        return;

      }

      i = 9;

      ilm.LensMount = LIBRAW_MOUNT_Nikon_F;

      if (ilm.CameraMount == LIBRAW_MOUNT_Nikon_Z)

        strcpy(ilm.Adapter, "FTZ");

      break;

    }

    imgdata.lens.nikon.LensIDNumber = LensData[i];

    imgdata.lens.nikon.LensFStops = LensData[i + 1];

    ilm.LensFStops = (float)imgdata.lens.nikon.LensFStops / 12.0f;

    if (fabsf(ilm.MinFocal) < 1.1f)

    {

      if ((imgdata.lens.nikon.LensType ^ (uchar)0x01) || LensData[i + 2])

        ilm.MinFocal =

            5.0f * libraw_powf64l(2.0f, (float)LensData[i + 2] / 24.0f);

      if ((imgdata.lens.nikon.LensType ^ (uchar)0x01) || LensData[i + 3])

        ilm.MaxFocal =

            5.0f * libraw_powf64l(2.0f, (float)LensData[i + 3] / 24.0f);

      if ((imgdata.lens.nikon.LensType ^ (uchar)0x01) || LensData[i + 4])

        ilm.MaxAp4MinFocal =

            libraw_powf64l(2.0f, (float)LensData[i + 4] / 24.0f);

      if ((imgdata.lens.nikon.LensType ^ (uchar)0x01) || LensData[i + 5])

        ilm.MaxAp4MaxFocal =

            libraw_powf64l(2.0f, (float)LensData[i + 5] / 24.0f);

    }

    imgdata.lens.nikon.MCUVersion = LensData[i + 6];

    if (i != 2)

    {

      if ((LensData[i - 1]) && (fabsf(ilm.CurFocal) < 1.1f))

        ilm.CurFocal =

            5.0f * libraw_powf64l(2.0f, (float)LensData[i - 1] / 24.0f);

      if (LensData[i + 7])

        imgdata.lens.nikon.EffectiveMaxAp =

            libraw_powf64l(2.0f, (float)LensData[i + 7] / 24.0f);

    }

    ilm.LensID = (unsigned long long)LensData[i] << 56 |

                 (unsigned long long)LensData[i + 1] << 48 |

                 (unsigned long long)LensData[i + 2] << 40 |

                 (unsigned long long)LensData[i + 3] << 32 |

                 (unsigned long long)LensData[i + 4] << 24 |

                 (unsigned long long)LensData[i + 5] << 16 |

                 (unsigned long long)LensData[i + 6] << 8 |

                 (unsigned long long)imgdata.lens.nikon.LensType;

  }

  else if ((len == 459) || (len == 590))

  {

    memcpy(ilm.Lens, LensData + 390, 64);

  }

  else if (len == 509)

  {

    memcpy(ilm.Lens, LensData + 391, 64);

  }

  else if (len == 879)

  {

    memcpy(ilm.Lens, LensData + 680, 64);

  }

  return;

}

void LibRaw::Nikon_NRW_WBtag(int wb, int skip)

{

  int r, g0, g1, b;

  if (skip)

    get4(); // skip wb "CCT", it is not unique

  r = get4();

  g0 = get4();

  g1 = get4();

  b = get4();

  if (r && g0 && g1 && b)

  {

    icWBC[wb][0] = r << 1;

    icWBC[wb][1] = g0;

    icWBC[wb][2] = b << 1;

    icWBC[wb][3] = g1;

  }

  return;

}

void LibRaw::parseNikonMakernote(INT64 base, int uptag, unsigned /*dng_writer */)

{

  unsigned offset = 0, entries, tag, type, len;

  INT64 save;

  unsigned c, i;

  unsigned LensData_len = 0;

  uchar *LensData_buf=0;

  uchar ColorBalanceData_buf[324];

  int ColorBalanceData_ready = 0;

  uchar ci, cj, ck;

  unsigned serial = 0;

  unsigned custom_serial = 0;

  unsigned ShotInfo_len = 0;

  uchar *ShotInfo_buf=0;

/* for dump:

uchar *cj_block, *ck_block;

*/

  short morder, sorder = order;

  char buf[10];

  INT64 fsize = ifp->size();

  fread(buf, 1, 10, ifp);

  if (!strcmp(buf, "Nikon"))

  {

    if (buf[6] != '\2')

      return;

    base = ftell(ifp);

    order = get2();

    if (get2() != 42)

      goto quit;

    offset = get4();

    fseek(ifp, INT64(offset) - 8LL, SEEK_CUR);

  }

  else

  {

    fseek(ifp, -10, SEEK_CUR);

  }

  entries = get2();

  if (entries > 1000)

    return;

  morder = order;

  while (entries--)

  {

    order = morder;

    tiff_get(base, &tag, &type, &len, &save);

    INT64 pos = ifp->tell();

    if (len > 8 && pos + len > 2 * fsize)

    {

      fseek(ifp, save, SEEK_SET); // Recover tiff-read position!!

      continue;

    }

    tag |= uptag << 16;

    if (len > 100 * 1024 * 1024)

      goto next; // 100Mb tag? No!

  if (callbacks.makernotes_cb)

    {

      INT64 _savepos = ifp->tell();

      callbacks.makernotes_cb(callbacks.makernotesparser_data, tag, type, len, order, ifp, base);

      fseek(ifp, _savepos, SEEK_SET);

    }

    if (tag == 0x0002)

    {

      if (!iso_speed)

        iso_speed = (get2(), get2());

    }

    else if (tag == 0x000a)

    {

      ilm.LensMount = ilm.CameraMount = LIBRAW_MOUNT_FixedLens;

      ilm.FocalType = LIBRAW_FT_ZOOM_LENS;

    }

    else if ((tag == 0x000c) && (len == 4) && tagtypeIs(LIBRAW_EXIFTAG_TYPE_RATIONAL))

    {

      cam_mul[0] = getrealf(type);

      cam_mul[2] = getrealf(type);

      cam_mul[1] = getrealf(type);

      cam_mul[3] = getrealf(type);

    }

    else if (tag == 0x0011)

    {

      if (is_raw)

      {

        fseek(ifp, get4() + base, SEEK_SET);

        parse_tiff_ifd(base);

      }

    }

    else if (tag == 0x0012)

    {

      uchar uc1 = fgetc(ifp);

      uchar uc2 = fgetc(ifp);

      uchar uc3 = fgetc(ifp);

      if (uc3)

        imCommon.FlashEC = (float)(uc1 * uc2) / (float)uc3;

    }

    else if (tag == 0x0014)

    {

      if (tagtypeIs(LIBRAW_EXIFTOOLTAGTYPE_binary))

      {

        if (len == 2560)

        { // E5400, E8400, E8700, E8800

          fseek(ifp, 0x4e0L, SEEK_CUR);

          order = 0x4d4d;

          cam_mul[0] = float(get2()) / 256.f;

          cam_mul[2] = float(get2()) / 256.f;

          cam_mul[1] = cam_mul[3] = 1.0;

          icWBC[LIBRAW_WBI_Auto][0] = get2();

          icWBC[LIBRAW_WBI_Auto][2] = get2();

          icWBC[LIBRAW_WBI_Daylight][0] = get2();

          icWBC[LIBRAW_WBI_Daylight][2] = get2();

          fseek(ifp, 0x18L, SEEK_CUR);

          icWBC[LIBRAW_WBI_Tungsten][0] = get2();

          icWBC[LIBRAW_WBI_Tungsten][2] = get2();

          fseek(ifp, 0x18L, SEEK_CUR);

          icWBC[LIBRAW_WBI_FL_W][0] = get2();

          icWBC[LIBRAW_WBI_FL_W][2] = get2();

          icWBC[LIBRAW_WBI_FL_N][0] = get2();

          icWBC[LIBRAW_WBI_FL_N][2] = get2();

          icWBC[LIBRAW_WBI_FL_D][0] = get2();

          icWBC[LIBRAW_WBI_FL_D][2] = get2();

          icWBC[LIBRAW_WBI_Cloudy][0] = get2();

          icWBC[LIBRAW_WBI_Cloudy][2] = get2();

          fseek(ifp, 0x18L, SEEK_CUR);

          icWBC[LIBRAW_WBI_Flash][0] = get2();

          icWBC[LIBRAW_WBI_Flash][2] = get2();

          icWBC[LIBRAW_WBI_Auto][1] = icWBC[LIBRAW_WBI_Auto][3] =

            icWBC[LIBRAW_WBI_Daylight][1] = icWBC[LIBRAW_WBI_Daylight][3] =

            icWBC[LIBRAW_WBI_Tungsten][1] = icWBC[LIBRAW_WBI_Tungsten][3] =

            icWBC[LIBRAW_WBI_FL_W][1] = icWBC[LIBRAW_WBI_FL_W][3] =

            icWBC[LIBRAW_WBI_FL_N][1] = icWBC[LIBRAW_WBI_FL_N][3] =

            icWBC[LIBRAW_WBI_FL_D][1] = icWBC[LIBRAW_WBI_FL_D][3] =

            icWBC[LIBRAW_WBI_Cloudy][1] = icWBC[LIBRAW_WBI_Cloudy][3] =

            icWBC[LIBRAW_WBI_Flash][1] = icWBC[LIBRAW_WBI_Flash][3] = 256;

          if (strncmp(model, "E8700", 5))

          {

            fseek(ifp, 0x18L, SEEK_CUR);

            icWBC[LIBRAW_WBI_Shade][0] = get2();

            icWBC[LIBRAW_WBI_Shade][2] = get2();

            icWBC[LIBRAW_WBI_Shade][1] = icWBC[LIBRAW_WBI_Shade][3] = 256;

          }

        }

        else if (len == 1280)

        { // E5000, E5700

          cam_mul[0] = cam_mul[1] = cam_mul[2] = cam_mul[3] = 1.0;

        }

        else

        {

          fread(buf, 1, 10, ifp);

          if (!strncmp(buf, "NRW ", 4))

          { // P6000, P7000, P7100, B700, P1000

            if (!strcmp(buf + 4, "0100"))

            { // P6000

              fseek(ifp, 0x13deL, SEEK_CUR);

              cam_mul[0] = float(get4() << 1);

              cam_mul[1] = float(get4());

              cam_mul[3] = float(get4());

              cam_mul[2] = float(get4() << 1);

              Nikon_NRW_WBtag(LIBRAW_WBI_Daylight, 0);

              Nikon_NRW_WBtag(LIBRAW_WBI_Cloudy, 0);

              fseek(ifp, 0x10L, SEEK_CUR);

              Nikon_NRW_WBtag(LIBRAW_WBI_Tungsten, 0);

              Nikon_NRW_WBtag(LIBRAW_WBI_FL_W, 0);

              Nikon_NRW_WBtag(LIBRAW_WBI_Flash, 0);

              fseek(ifp, 0x10L, SEEK_CUR);

              Nikon_NRW_WBtag(LIBRAW_WBI_Custom, 0);

              Nikon_NRW_WBtag(LIBRAW_WBI_Auto, 0);

            }

            else

            { // P7000, P7100, B700, P1000

              fseek(ifp, 0x16L, SEEK_CUR);

              black = get2();

              if (cam_mul[0] < 0.1f)

              {

                fseek(ifp, 0x16L, SEEK_CUR);

                cam_mul[0] = float(get4() << 1);

                cam_mul[1] = float(get4());

                cam_mul[3] = float(get4());

                cam_mul[2] = float(get4() << 1);

              }

              else

              {

                fseek(ifp, 0x26L, SEEK_CUR);

              }

              if (len != 332)

              { // not A1000

                Nikon_NRW_WBtag(LIBRAW_WBI_Daylight, 1);

                Nikon_NRW_WBtag(LIBRAW_WBI_Cloudy, 1);

                Nikon_NRW_WBtag(LIBRAW_WBI_Shade, 1);

                Nikon_NRW_WBtag(LIBRAW_WBI_Tungsten, 1);

                Nikon_NRW_WBtag(LIBRAW_WBI_FL_W, 1);

                Nikon_NRW_WBtag(LIBRAW_WBI_FL_N, 1);

                Nikon_NRW_WBtag(LIBRAW_WBI_FL_D, 1);

                Nikon_NRW_WBtag(LIBRAW_WBI_HT_Mercury, 1);

                fseek(ifp, 0x14L, SEEK_CUR);

                Nikon_NRW_WBtag(LIBRAW_WBI_Custom, 1);

                Nikon_NRW_WBtag(LIBRAW_WBI_Auto, 1);

              }

              else

              {

                fseek(ifp, 0xc8L, SEEK_CUR);

                Nikon_NRW_WBtag(LIBRAW_WBI_Auto, 1);

              }

            }

          }

        }

      }

    }

    else if (tag == 0x001b)

    {

      imNikon.HighSpeedCropFormat = get2();

      imNikon.SensorHighSpeedCrop.cwidth = get2();

      imNikon.SensorHighSpeedCrop.cheight = get2();

      imNikon.SensorWidth = get2();

      imNikon.SensorHeight = get2();

      imNikon.SensorHighSpeedCrop.cleft = get2();

      imNikon.SensorHighSpeedCrop.ctop = get2();

      switch (imNikon.HighSpeedCropFormat)

      {

      case 0:

      case 1:

      case 2:

      case 4:

        imgdata.sizes.raw_aspect = LIBRAW_IMAGE_ASPECT_3to2;

        break;

      case 11:

        ilm.CameraFormat = LIBRAW_FORMAT_FF;

        imgdata.sizes.raw_aspect = LIBRAW_IMAGE_ASPECT_3to2;

        break;

      case 12:

        ilm.CameraFormat = LIBRAW_FORMAT_APSC;

        imgdata.sizes.raw_aspect = LIBRAW_IMAGE_ASPECT_3to2;

        break;

      case 3:

        imgdata.sizes.raw_aspect = LIBRAW_IMAGE_ASPECT_5to4;

        break;

      case 6:

        imgdata.sizes.raw_aspect = LIBRAW_IMAGE_ASPECT_16to9;

        break;

      case 17:

        imgdata.sizes.raw_aspect = LIBRAW_IMAGE_ASPECT_1to1;

        break;

      default:

        imgdata.sizes.raw_aspect = LIBRAW_IMAGE_ASPECT_OTHER;

        break;

      }

    }

    else if (tag == 0x001d)

    { // serial number

      if (len > 0)

      {

        int model_len = (int)strbuflen(model);

        while ((c = fgetc(ifp)) && (len-- > 0) && (c != (unsigned)EOF))

        {

          if ((!custom_serial) && (!isdigit(c)))

          {

            if (((model_len == 3) && !strcmp(model, "D50")) ||

                ((model_len >= 4) && !isalnum(model[model_len - 4]) &&

                 !strncmp(&model[model_len - 3], "D50", 3)))

            {

              custom_serial = 34;

            }

            else

            {

              custom_serial = 96;

            }

            break;

          }

          serial = serial * 10 + (isdigit(c) ? c - '0' : c % 10);

        }

        if (!imgdata.shootinginfo.BodySerial[0])

          sprintf(imgdata.shootinginfo.BodySerial, "%d", serial);

      }

    }

    else if (tag == 0x001e) {

      switch (get2()) {

      case 1:

        imCommon.ColorSpace = LIBRAW_COLORSPACE_sRGB;

        break;

      case 2:

        imCommon.ColorSpace = LIBRAW_COLORSPACE_AdobeRGB;

        break;

      case 4:

        imCommon.ColorSpace = LIBRAW_COLORSPACE_Rec2020;

        break;

      default:

        imCommon.ColorSpace = LIBRAW_COLORSPACE_Unknown;

        break;

      }

    } else if (tag == 0x0025)

    {

      imCommon.real_ISO = float(100.f * float(libraw_powf64l(2.f, float((uchar)fgetc(ifp)) / 12.f - 5.f)));

      if (!iso_speed || (iso_speed == 65535))

      {

        iso_speed = imCommon.real_ISO;

      }

    }

    else if (tag == 0x0022)

    {

      imNikon.Active_D_Lighting = get2();

    }

    else if (tag == 0x0023)

    {

      FORC4 imNikon.PictureControlVersion =

          imNikon.PictureControlVersion * 10 + fgetc(ifp) - '0';

      if ((imNikon.PictureControlVersion >= 300) &&

          (imNikon.PictureControlVersion <= 399))

      {

        fseek(ifp, 4, SEEK_CUR);

      }

      stmread (imNikon.PictureControlName, 20, ifp);

      stmread (imNikon.PictureControlBase, 20, ifp);

      if (!strncmp(imNikon.PictureControlBase, "STANDARD(HLG)", 13))

      {

        imCommon.ExposureCalibrationShift -= 2;

      }

    }

    else if (tag == 0x003b)

    { // WB for multi-exposure (ME); all 1s for regular exposures

      imNikon.ME_WB[0] = getreal(type);

      imNikon.ME_WB[2] = getreal(type);

      imNikon.ME_WB[1] = getreal(type);

      imNikon.ME_WB[3] = getreal(type);

    }

    else if (tag == 0x003d)

    { // not corrected for file bitcount, to be patched in open_datastream

      FORC4 cblack[RGGB_2_RGBG(c)] = get2();

      i = cblack[3];

      FORC3 if (i > cblack[c]) i = cblack[c];

      FORC4 cblack[c] -= i;

      black += i;

    }

    else if (tag == 0x0045)

    { /* upper left pixel (x,y), size (width,height) */

      imgdata.sizes.raw_inset_crops[0].cleft = get2();

      imgdata.sizes.raw_inset_crops[0].ctop = get2();

      imgdata.sizes.raw_inset_crops[0].cwidth = get2();

      imgdata.sizes.raw_inset_crops[0].cheight = get2();

    }

    else if (tag == 0x0051)

    {

      fseek(ifp, 10LL, SEEK_CUR);

      imNikon.NEFCompression = get2();

    }

// BurstTable_0x0056

/*

photo shooting menu -> [Pixel shift shooting] :

  [Pixel shift shooting mode] : On(series) | On(single photo) | Off (default is Off)

  [Number of shots]           : 4 | 8 | 16 | 32 (default is 16)

  [Delay]                     : (default is 2 s)

  [Interval until next shot]  : (default is 0)

*/

    else if ((tag == 0x0056) && !strncmp(model+6, "Z ", 2))

    {

        imNikon.BurstTable_0x0056_len = len;

        if (imNikon.BurstTable_0x0056_len == 16) {

          imNikon.BurstTable_0x0056 = (uchar *)calloc(imNikon.BurstTable_0x0056_len,1);

          fread(imNikon.BurstTable_0x0056, imNikon.BurstTable_0x0056_len, 1, ifp);

          FORC4 imNikon.BurstTable_0x0056_ver = imNikon.BurstTable_0x0056_ver * 10 + (imNikon.BurstTable_0x0056[c] - '0');

          imNikon.BurstTable_0x0056_gid = (imNikon.BurstTable_0x0056[5]<<8) | imNikon.BurstTable_0x0056[4];

          imNikon.BurstTable_0x0056_fnum = imNikon.BurstTable_0x0056[8];

/*

          printf (">> camera: %s; BurstTable_0x0056: len %d, ver %d, gid 0x%04x, fnum %d\n",

              model, imNikon.BurstTable_0x0056_len, imNikon.BurstTable_0x0056_ver, imNikon.BurstTable_0x0056_gid, imNikon.BurstTable_0x0056_fnum);

          printf ("  0x6: 0x%02x 0x7: 0x%02x\n   0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x\n",

               imNikon.BurstTable_0x0056[0x6], imNikon.BurstTable_0x0056[0x7],

               imNikon.BurstTable_0x0056[0x9], imNikon.BurstTable_0x0056[0xa],

               imNikon.BurstTable_0x0056[0xb], imNikon.BurstTable_0x0056[0xc],

               imNikon.BurstTable_0x0056[0xd], imNikon.BurstTable_0x0056[0xe],

               imNikon.BurstTable_0x0056[0xf]);

          printf ("BurstTable_0x0056[5 .. 4]: ");

          for (c = 1 << 7; c > 0; c = c / 2)

            (imNikon.BurstTable_0x0056[5] & c) ? printf("1") : printf("0");

          printf (" ");

          for (c = 1 << 7; c > 0; c = c / 2)

            (imNikon.BurstTable_0x0056[4] & c) ? printf("1") : printf("0");

          printf ("\n");

          printf ("BurstTable_0x0056[7 .. 6]: ");

          for (c = 1 << 7; c > 0; c = c / 2)

            (imNikon.BurstTable_0x0056[7] & c) ? printf("1") : printf("0");

          printf (" ");

          for (c = 1 << 7; c > 0; c = c / 2)

            (imNikon.BurstTable_0x0056[6] & c) ? printf("1") : printf("0");

          printf ("\n");

*/

        }

/*

        else {

          printf (">> camera: =%s=; table 0x0056 len!=16, len %d\n", model, len);

        }

*/

    }

    else if (tag == 0x0082)

    { // lens attachment

      stmread(ilm.Attachment, len, ifp);

    }

    else if (tag == 0x0083)

    { // lens type

      imgdata.lens.nikon.LensType = fgetc(ifp);

    }

    else if (tag == 0x0084)

    { // lens

      ilm.MinFocal = getrealf(type);

      ilm.MaxFocal = getrealf(type);

      ilm.MaxAp4MinFocal = getrealf(type);

      ilm.MaxAp4MaxFocal = getrealf(type);

    }

    else if (tag == 0x0088) // AFInfo

    {

      if (!imCommon.afcount)

      {

        imCommon.afdata[imCommon.afcount].AFInfoData_tag = tag;

        imCommon.afdata[imCommon.afcount].AFInfoData_order = order;

        imCommon.afdata[imCommon.afcount].AFInfoData_length = len;

        imCommon.afdata[imCommon.afcount].AFInfoData = (uchar *)calloc(imCommon.afdata[imCommon.afcount].AFInfoData_length,1);

        fread(imCommon.afdata[imCommon.afcount].AFInfoData, imCommon.afdata[imCommon.afcount].AFInfoData_length, 1, ifp);

        imCommon.afcount = 1;

      }

    }

    else if (tag == 0x008b) // lens f-stops

    {

      uchar uc1 = fgetc(ifp);

      uchar uc2 = fgetc(ifp);

      uchar uc3 = fgetc(ifp);

      if (uc3)

      {

        imgdata.lens.nikon.LensFStops = uc1 * uc2 * (12 / uc3);

        ilm.LensFStops = (float)imgdata.lens.nikon.LensFStops / 12.0f;

      }

    }

    else if ((tag == 0x008c) || (tag == 0x0096))

    {

      meta_offset = ftell(ifp);

    }

    else if ((tag == 0x0091) && (len > 4))

    {

      ShotInfo_len = len;

      ShotInfo_buf = (uchar *)calloc(ShotInfo_len,1);

/* for dump:

cj_block = (uchar *)malloc(ShotInfo_len);

ck_block = (uchar *)malloc(ShotInfo_len);

*/

      fread(ShotInfo_buf, ShotInfo_len, 1, ifp);

      FORC4 imNikon.ShotInfoVersion =

          imNikon.ShotInfoVersion * 10 + ShotInfo_buf[c] - '0';

    }

    else if (tag == 0x0093)

    {

      imNikon.NEFCompression = i = get2();

      if ((i == 7) || (i == 9))

      {

        ilm.LensMount = LIBRAW_MOUNT_FixedLens;

        ilm.CameraMount = LIBRAW_MOUNT_FixedLens;

      }

    }

    else if (tag == 0x0097)

    { // ver97

      FORC4 imNikon.ColorBalanceVersion =

          imNikon.ColorBalanceVersion * 10 + fgetc(ifp) - '0';

      switch (imNikon.ColorBalanceVersion)

      {

      case 100: // NIKON D100

        fseek(ifp, 0x44L, SEEK_CUR);

        FORC4 cam_mul[RBGG_2_RGBG(c)] = get2();

        break;

      case 102: // NIKON D2H

        fseek(ifp, 0x6L, SEEK_CUR);

        FORC4 cam_mul[RGGB_2_RGBG(c)] = get2();

        break;

      case 103: // NIKON D70, D70s

        fseek(ifp, 0x10L, SEEK_CUR);

        FORC4 cam_mul[c] = get2();

      }

      if (imNikon.ColorBalanceVersion >= 200)

      {

        /*

        204: NIKON D2X, D2Xs

        205: NIKON D50

        206: NIKON D2Hs

        207: NIKON D200

        208: NIKON D40, D40X, D80

        209: NIKON D3, D3X, D300, D700

        210: NIKON D60

        211: NIKON D90, D5000

        212: NIKON D300S

        213: NIKON D3000

        214: NIKON D3S

        215: NIKON D3100

        216: NIKON D5100, D7000

        217: NIKON D4, D600, D800, D800E, D3200

        -= unknown =-

        218: NIKON D5200, D7100

        219: NIKON D5300

        220: NIKON D610, Df

        221: NIKON D3300

        222: NIKON D4S

        223: NIKON D750, D810

        224: NIKON D3400, D3500, D5500, D5600, D7200

        225: NIKON D5, D500

        226: NIKON D7500

        227: NIKON D850

         */

        if (imNikon.ColorBalanceVersion != 205)

        {

          fseek(ifp, 0x118L, SEEK_CUR);

        }

        ColorBalanceData_ready =

            (fread(ColorBalanceData_buf, 324, 1, ifp) == 1);

      }

      if ((imNikon.ColorBalanceVersion >= 400) &&

          (imNikon.ColorBalanceVersion <= 405))

      { // 1 J1, 1 V1, 1 J2, 1 V2, 1 J3, 1 S1, 1 AW1, 1 S2, 1 J4, 1 V3, 1 J5

        ilm.CameraFormat = LIBRAW_FORMAT_1INCH;

        ilm.CameraMount = LIBRAW_MOUNT_Nikon_CX;

      }

      else if ((imNikon.ColorBalanceVersion >= 500) &&

               (imNikon.ColorBalanceVersion <= 502))

      { // P7700, P7800, P330, P340

        ilm.CameraMount = ilm.LensMount = LIBRAW_MOUNT_FixedLens;

        ilm.FocalType = LIBRAW_FT_ZOOM_LENS;

      }

      else if (imNikon.ColorBalanceVersion == 601)

      { // Coolpix A

        ilm.CameraFormat = ilm.LensFormat = LIBRAW_FORMAT_APSC;

        ilm.CameraMount = ilm.LensMount = LIBRAW_MOUNT_FixedLens;

        ilm.FocalType = LIBRAW_FT_PRIME_LENS;

      }

    }

    else if (tag == 0x0098) // contains lens data

    {

      FORC4 imNikon.LensDataVersion =

          imNikon.LensDataVersion * 10 + fgetc(ifp) - '0';

      switch (imNikon.LensDataVersion)

      {

      case 100:

        LensData_len = 9;

        break;

      case 101:

      case 201: // encrypted, starting from v.201

      case 202:

      case 203:

        LensData_len = 15;

        break;

      case 204:

        LensData_len = 16;

        break;

      case 400:

        LensData_len = 459;

        break;

      case 401:

        LensData_len = 590;

        break;

      case 402:

        LensData_len = 509;

        break;

      case 403:

        LensData_len = 879;

        break;

      case 800:

      case 801:

        LensData_len = 58;

        break;

      case 802:

        LensData_len = 108;

        break;

      }

      if (LensData_len)

      {

        LensData_buf = (uchar *)calloc(LensData_len,1);

        fread(LensData_buf, LensData_len, 1, ifp);

      }

    }

    else if (tag == 0x00a0)

    {

      stmread(imgdata.shootinginfo.BodySerial, len, ifp);

    }

    else if (tag == 0x00a7) // shutter count

    {

      imNikon.key = fgetc(ifp) ^ fgetc(ifp) ^ fgetc(ifp) ^ fgetc(ifp);

      if (custom_serial)

      {

        ci = xlat[0][custom_serial];

      }

      else

      {

        ci = xlat[0][serial & 0xff];

      }

      cj = xlat[1][imNikon.key];

      ck = 0x60;

      if (((unsigned)(imNikon.ColorBalanceVersion - 200) < 18) &&

          ColorBalanceData_ready)

      {

        for (i = 0; i < 324; i++)

          ColorBalanceData_buf[i] ^= (cj += ci * ck++);

        i = "66666>666;6A;:;555"[imNikon.ColorBalanceVersion - 200] - '0';

        FORC4 cam_mul[c ^ (c >> 1) ^ (i & 1)] =

            sget2(ColorBalanceData_buf + (i & -2) + c * 2);

      }

      if (LensData_len)

      {

        if (imNikon.LensDataVersion > 200)

        {

          cj = xlat[1][imNikon.key];

          ck = 0x60;

          for (i = 0; i < LensData_len; i++)

          {

            LensData_buf[i] ^= (cj += ci * ck++);

          }

        }

        processNikonLensData(LensData_buf, LensData_len);

        LensData_len = 0;

        free(LensData_buf);

      }

      if (ShotInfo_len && (imNikon.ShotInfoVersion >= 208)) {

        unsigned RotationOffset = 0,

                 OrientationOffset = 0;

        cj = xlat[1][imNikon.key];

        ck = 0x60;

        for (i = 4; i < ShotInfo_len; i++) {

          ShotInfo_buf[i] ^= (cj += ci * ck++);

/* for dump:

cj_block[i-4] = cj;

ck_block[i-4] = ck-1;

*/

        }

/* for dump:

printf ("==>> ci: 0x%02x, cj at start: 0x%02x\n",

ci, xlat[1][imNikon.key]);

hexDump("ck array:", ck_block, ShotInfo_len-4);

hexDump("cj array:", cj_block, ShotInfo_len-4);

free(cj_block);

free(ck_block);

*/

        switch (imNikon.ShotInfoVersion) {

        case 208: // ShotInfoD80, Rotation

          RotationOffset = 590;

          if (RotationOffset<ShotInfo_len) {

            imNikon.MakernotesFlip = *(ShotInfo_buf+RotationOffset) & 0x07;

          }

          break;

        case 231: // ShotInfoD4S, Rotation, Roll/Pitch/Yaw

          OrientationOffset  = 0x350b;

          RotationOffset     = 0x3693;

          if (RotationOffset<ShotInfo_len) {

            imNikon.MakernotesFlip = (*(ShotInfo_buf+RotationOffset)>>4) & 0x03;

          }

          break;

        case 233: // ShotInfoD810, Roll/Pitch/Yaw

          OrientationOffset = sget4_order(morder, ShotInfo_buf+0x84);

          break;

        case 238: // D5,   ShotInfoD500, Rotation, Roll/Pitch/Yaw

        case 239: // D500, ShotInfoD500, Rotation, Roll/Pitch/Yaw

          RotationOffset = sget4_order(morder, ShotInfo_buf+0x10) + 0xca;

          if (RotationOffset > 0xca) {

            RotationOffset -= 0xb0;

          }

          if (RotationOffset<ShotInfo_len) {

            imNikon.MakernotesFlip = *(ShotInfo_buf+RotationOffset) & 0x03;

          }

          OrientationOffset = sget4_order(morder, ShotInfo_buf+0xa0);

          break;

        case 243: // ShotInfoD850, Roll/Pitch/Yaw

          OrientationOffset = sget4_order(morder, ShotInfo_buf+0xa0);

          break;

        case 246: // ShotInfoD6, Roll/Pitch/Yaw

          OrientationOffset = sget4_order(morder, ShotInfo_buf+0x9c);

          break;

        case 800: // "Z 6", "Z 7",     ShotInfoZ7II, Roll/Pitch/Yaw

        case 801: // "Z 50",           ShotInfoZ7II, Roll/Pitch/Yaw

        case 802: // "Z 5",            ShotInfoZ7II, Roll/Pitch/Yaw

        case 803: // "Z 6_2", "Z 7_2", ShotInfoZ7II, Roll/Pitch/Yaw

        case 804: // "Z fc"            ShotInfoZ7II, Roll/Pitch/Yaw

          OrientationOffset = sget4_order(morder, ShotInfo_buf+0x98);

          break;

        case 805: // "Z 9",            ShotInfoZ9, Roll/Pitch/Yaw

          OrientationOffset = sget4_order(morder, ShotInfo_buf+0x84);

          break;

        case 806: // "Z 8"

          if (ShotInfo_len >= 12) {

            memcpy (imNikon.ShotInfoFirmware, ShotInfo_buf+4, 8*sizeof(char));

            imNikon.ShotInfoFirmware[8] = '\0';

            // printf (">> camera: =%s= exifSW: =%s= ShotInfo: Version %d, Firmware =%s=\n",

            //  model, software, imNikon.ShotInfoVersion, imNikon.ShotInfoFirmware);

          }

          break;

        case 807: // "Z 30"

          break;

        case 808: // "Z f"

          if (ShotInfo_len >= 12) {

            memcpy (imNikon.ShotInfoFirmware, ShotInfo_buf+4, 8*sizeof(char));

            imNikon.ShotInfoFirmware[8] = '\0';

            // printf (">> camera: =%s= exifSW: =%s= ShotInfo: Version %d, Firmware =%s=\n",

            //  model, software, imNikon.ShotInfoVersion, imNikon.ShotInfoFirmware);

          }

          break;

        }

        if (OrientationOffset && ((OrientationOffset+12)<ShotInfo_len) && OrientationOffset < 0xffff) {

          if (imNikon.ShotInfoVersion == 231) // ShotInfoD4S

            imNikon.RollAngle = AngleConversion_a(morder, ShotInfo_buf+OrientationOffset);

          else

            imNikon.RollAngle = AngleConversion(morder, ShotInfo_buf+OrientationOffset);

          imNikon.PitchAngle  = AngleConversion (morder, ShotInfo_buf+OrientationOffset+4);

          imNikon.YawAngle    = AngleConversion (morder, ShotInfo_buf+OrientationOffset+8);

        }

        if ((RotationOffset) && (imNikon.MakernotesFlip < 4) && (imNikon.MakernotesFlip >= 0))

          imNikon.MakernotesFlip = "0863"[imNikon.MakernotesFlip] - '0';

        ShotInfo_len = 0;

        free(ShotInfo_buf);

      }

    }

    else if (tag == 0x00a8)

    { // contains flash data

      FORC4 imNikon.FlashInfoVersion =

          imNikon.FlashInfoVersion * 10 + fgetc(ifp) - '0';

    }

    else if (tag == 0x00b0)

    {

      get4(); // ME (multi-exposure) tag version, 4 symbols

      imNikon.ExposureMode = get4();

      imNikon.nMEshots = get4();

      imNikon.MEgainOn = get4();

    }

    else if (tag == 0x00b7) // AFInfo2

    {

      if (!imCommon.afcount && len > 4)

      {

        imCommon.afdata[imCommon.afcount].AFInfoData_tag = tag;

        imCommon.afdata[imCommon.afcount].AFInfoData_order = order;

        int ver = 0;

        FORC4  ver = ver * 10 + (fgetc(ifp) - '0');

        imCommon.afdata[imCommon.afcount].AFInfoData_version = ver;

        imCommon.afdata[imCommon.afcount].AFInfoData_length = len-4;

        imCommon.afdata[imCommon.afcount].AFInfoData = (uchar *)calloc(imCommon.afdata[imCommon.afcount].AFInfoData_length,1);

        fread(imCommon.afdata[imCommon.afcount].AFInfoData, imCommon.afdata[imCommon.afcount].AFInfoData_length, 1, ifp);

        imCommon.afcount = 1;

      }

    }

    else if (tag == 0x00b9)

    {

      imNikon.AFFineTune = fgetc(ifp);

      imNikon.AFFineTuneIndex = fgetc(ifp);

      imNikon.AFFineTuneAdj = (int8_t)fgetc(ifp);

    }