/
tiff.cpp
2369 lines (2299 loc) · 78.8 KB
/
tiff.cpp
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/* -*- C++ -*-
* Copyright 2019-2024 LibRaw LLC (info@libraw.org)
*
LibRaw uses code from dcraw.c -- Dave Coffin's raw photo decoder,
dcraw.c is copyright 1997-2018 by Dave Coffin, dcoffin a cybercom o net.
LibRaw do not use RESTRICTED code from dcraw.c
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"
#include "../../internal/libraw_cameraids.h"
int LibRaw::parse_tiff_ifd(int base)
{
unsigned entries, tag, type, len, plen = 16, save, utmp;
int ifd, use_cm = 0, cfa, i, j, c, ima_len = 0;
char *cbuf, *cp;
uchar cfa_pat[16], cfa_pc[] = {0, 1, 2, 3}, tab[256];
double fm[3][4], cc[4][4], cm[4][3], cam_xyz[4][3], num;
double ab[] = {1, 1, 1, 1}, asn[] = {0, 0, 0, 0}, xyz[] = {1, 1, 1};
unsigned sony_curve[] = {0, 0, 0, 0, 0, 4095};
unsigned *buf, sony_offset = 0, sony_length = 0, sony_key = 0;
struct jhead jh;
ushort *rafdata;
if (tiff_nifds >= sizeof tiff_ifd / sizeof tiff_ifd[0])
return 1;
ifd = tiff_nifds++;
for (j = 0; j < 4; j++)
for (i = 0; i < 4; i++)
cc[j][i] = i == j;
if (libraw_internal_data.unpacker_data.ifd0_offset == -1LL)
libraw_internal_data.unpacker_data.ifd0_offset = base;
entries = get2();
if (entries > 512)
return 1;
INT64 fsize = ifp->size();
while (entries--)
{
tiff_get(base, &tag, &type, &len, &save);
INT64 savepos = ftell(ifp);
if (len > 8 && savepos + len > 2 * fsize)
{
fseek(ifp, save, SEEK_SET); // Recover tiff-read position!!
continue;
}
if (callbacks.exif_cb)
{
callbacks.exif_cb(callbacks.exifparser_data,
tag | (is_pana_raw ? 0x30000 : ((ifd + 1) << 20)), type,
len, order, ifp, base);
fseek(ifp, savepos, SEEK_SET);
}
if (!is_pana_raw)
{ /* processing of EXIF tags that collide w/ PanasonicRaw tags */
switch (tag)
{
case 0x0001:
if (len == 4)
is_pana_raw = get4();
break;
case 0x000b: /* 11, Std. EXIF Software tag */
fgets(software, 64, ifp);
if (!strncmp(software, "Adobe", 5) || !strncmp(software, "dcraw", 5) ||
!strncmp(software, "UFRaw", 5) || !strncmp(software, "Bibble", 6) ||
!strcmp(software, "Digital Photo Professional"))
is_raw = 0;
break;
case 0x001c: /* 28, safeguard, probably not needed */
case 0x001d: /* 29, safeguard, probably not needed */
case 0x001e: /* 30, safeguard, probably not needed */
cblack[tag - 0x001c] = get2();
cblack[3] = cblack[1];
break;
case 0x0111: /* 273, StripOffset */
if (len > 1 && len < 16384)
{
off_t sav = ftell(ifp);
tiff_ifd[ifd].strip_offsets = (int *)calloc(len, sizeof(int));
tiff_ifd[ifd].strip_offsets_count = len;
for (int ii = 0; ii < (int)len; ii++)
tiff_ifd[ifd].strip_offsets[ii] = get4() + base;
fseek(ifp, sav, SEEK_SET); // restore position
}
/* fallback */
case 0x0201: /* 513, JpegIFOffset */
case 0xf007: // 61447
tiff_ifd[ifd].offset = get4() + base;
if (!tiff_ifd[ifd].bps && tiff_ifd[ifd].offset > 0)
{
fseek(ifp, tiff_ifd[ifd].offset, SEEK_SET);
if (ljpeg_start(&jh, 1))
{
if (!dng_version && !strcasecmp(make, "SONY") && tiff_ifd[ifd].phint == 32803 &&
tiff_ifd[ifd].comp == 7) // Sony/lossless compressed IFD
{
tiff_ifd[ifd].comp = 6;
tiff_ifd[ifd].bps = jh.bits;
tiff_ifd[ifd].samples = 1;
}
else if (!dng_version && !strcasecmp(make, "SONY") && tiff_ifd[ifd].phint == 6 &&
tiff_ifd[ifd].comp == 7 && tiff_ifd[ifd].samples == 3) // Sony/lossless YCbCr
{
tiff_ifd[ifd].comp = 6;
tiff_ifd[ifd].bps = jh.bits;
// tiff_ifd[ifd].samples = 3; // no change
}
else
{
tiff_ifd[ifd].comp = 6;
tiff_ifd[ifd].bps = jh.bits;
tiff_ifd[ifd].t_width = jh.wide;
tiff_ifd[ifd].t_height = jh.high;
tiff_ifd[ifd].samples = jh.clrs;
if (!(jh.sraw || (jh.clrs & 1)))
tiff_ifd[ifd].t_width *= jh.clrs;
if ((tiff_ifd[ifd].t_width > 4 * tiff_ifd[ifd].t_height) & ~jh.clrs)
{
tiff_ifd[ifd].t_width /= 2;
tiff_ifd[ifd].t_height *= 2;
}
i = order;
parse_tiff(tiff_ifd[ifd].offset + 12);
order = i;
}
}
}
break;
}
}
else
{ /* processing Panasonic-specific "PanasonicRaw" tags */
switch (tag)
{
case 0x0004: /* 4, SensorTopBorder */
imgdata.sizes.raw_inset_crops[0].ctop = get2();
break;
case 0x000a: /* 10, BitsPerSample */
pana_bpp = get2();
pana_bpp = LIM(pana_bpp, 8, 16);
break;
case 0x000b: /* 11, Compression */
imPana.Compression = get2();
break;
case 0x000e: /* 14, LinearityLimitRed */
case 0x000f: /* 15, LinearityLimitGreen */
case 0x0010: /* 16, LinearityLimitBlue */
imgdata.color.linear_max[tag - 14] = get2();
if (imgdata.color.linear_max[tag - 14] == 16383)
imgdata.color.linear_max[tag - 14] -= 64;
if (imgdata.color.linear_max[tag - 14] == 4095)
imgdata.color.linear_max[tag - 14] -= 16;
if (tag == 0x000f) // 15, LinearityLimitGreen
imgdata.color.linear_max[3] = imgdata.color.linear_max[1];
break;
case 0x0013: /* 19, WBInfo */
if ((i = get2()) > 0x100)
break;
for (c = 0; c < i; c++)
{
if ((j = get2()) < 0x100)
{
icWBC[j][0] = get2();
icWBC[j][2] = get2();
icWBC[j][1] = icWBC[j][3] =
0x100;
}
else // light source out of EXIF numbers range
get4();
}
break;
case 0x0018: /* 24, HighISOMultiplierRed */
case 0x0019: /* 25, HighISOMultiplierGreen */
case 0x001a: /* 26, HighISOMultiplierBlue */
imPana.HighISOMultiplier[tag - 0x0018] = get2();
break;
case 0x001c: /* 28, BlackLevelRed */
case 0x001d: /* 29, BlackLevelGreen */
case 0x001e: /* 30, BlackLevelBlue */
pana_black[tag - 0x001c] = get2();
break;
case 0x002d: /* 45, RawFormat */
/* pana_encoding: tag 0x002d (45dec) not used - DMC-LX1/FZ30/FZ50/L1/LX1/LX2
2 - RAW DMC-FZ8/FZ18
3 - RAW DMC-L10
4 - RW2 for most other models, including G9 in "pixel shift off" mode and YUNEEC CGO4
(must add 15 to black levels for RawFormat == 4)
5 - RW2 DC-GH5s; G9 in "pixel shift on" mode
6 - RW2 DC-S1, DC-S1R in "pixel shift off" mode
7 - RW2 DC-S1R (probably DC-S1 too) in "pixel shift on" mode
8 - RW2 DC-GH6, DC-S5M2
*/
pana_encoding = get2();
break;
case 0x002f: /* 47, CropTop */
imgdata.sizes.raw_inset_crops[0].ctop = get2();
break;
case 0x0030: /* 48, CropLeft */
imgdata.sizes.raw_inset_crops[0].cleft = get2();
break;
case 0x0031: /* 49, CropBottom */
imgdata.sizes.raw_inset_crops[0].cheight =
get2() - imgdata.sizes.raw_inset_crops[0].ctop;
break;
case 0x0032: /* 50, CropRight */
imgdata.sizes.raw_inset_crops[0].cwidth =
get2() - imgdata.sizes.raw_inset_crops[0].cleft;
break;
case 0x0037: /* 55, ISO if ISO in 0x8827 & ISO in 0x0017 == 65535 */
if (iso_speed == 65535)
iso_speed = get4();
break;
case 0x0039:
if (type == LIBRAW_EXIFTAG_TYPE_UNDEFINED && len == 26)
{
ushort cnt = get2();
if (cnt > 6)
cnt = 6;
for (i = 0; i < cnt; i++)
pana8.tag39[i] = get4();
}
break;
case 0x003A:
if (type == LIBRAW_EXIFTAG_TYPE_UNDEFINED && len == 26)
{
ushort cnt = get2();
if (cnt > 6)
cnt = 6;
for (i = 0; i < cnt; i++)
{
get2();
pana8.tag3A[i] = get2();
}
}
break;
case 0x003B:
if (type == LIBRAW_EXIFTAG_TYPE_SHORT && len == 1)
pana8.tag3B = get2();
break;
case 0x003C:
case 0x003D:
case 0x003E:
case 0x003F:
if (type == LIBRAW_EXIFTAG_TYPE_SHORT && len == 1)
pana8.initial[tag - 0x3c] = get2();
break;
case 0x0040:
if (type == LIBRAW_EXIFTAG_TYPE_UNDEFINED && len == 70)
{
ushort count = get2();
if (count > 17) count = 17;
for (i = 0; i < count; i++)
{
ushort v1 = get2();
if (v1 > 16u) v1 = 16u;
pana8.tag40a[i] = v1;
ushort v2 = get2();
if (v2 > 0xfffu)
v2 = 0xfffu;
pana8.tag40b[i] = v2;
}
}
break;
case 0x0041:
if (type == LIBRAW_EXIFTAG_TYPE_UNDEFINED && len == 36)
{
ushort count = get2();
if (count > 17)
count = 17;
for (i = 0; i < count; i++)
{
ushort v1 = get2();
if (v1 > 0x40u) v1 = 64;
pana8.tag41[i] = v1;
}
}
break;
case 0x0042:
if (type == LIBRAW_EXIFTAG_TYPE_SHORT && len == 1)
{
ushort val = get2();
if (val > 5)
val = 5;
pana8.stripe_count = val;
}
break;
case 0x0043:
if (type == LIBRAW_EXIFTAG_TYPE_SHORT && len == 1)
{
ushort val = get2();
if (val > 5)
val = 5;
pana8.tag43 = val;
}
break;
case 0x0044:
if (type == LIBRAW_EXIFTAG_TYPE_UNDEFINED && len == 50)
{
ushort count = get2();
if (count > 5)
count = 5;
for (i = 0; i < count; i++)
pana8.stripe_offsets[i] = get4();
}
break;
case 0x0045:
if (type == LIBRAW_EXIFTAG_TYPE_UNDEFINED && len == 50)
{
ushort count = get2();
if (count > 5)
count = 5;
for (i = 0; i < count; i++)
pana8.stripe_left[i] = get4();
}
break;
case 0x0046:
if (type == LIBRAW_EXIFTAG_TYPE_UNDEFINED && len == 50)
{
ushort count = get2();
if (count > 5)
count = 5;
for (i = 0; i < count; i++)
pana8.stripe_compressed_size[i] = get4();
}
break;
case 0x0047:
if (type == LIBRAW_EXIFTAG_TYPE_UNDEFINED && len == 26)
{
ushort count = get2();
if (count > 5)
count = 5;
for (i = 0; i < count; i++)
pana8.stripe_width[i] = get2();
}
break;
case 0x0048:
if (type == LIBRAW_EXIFTAG_TYPE_UNDEFINED && len == 26)
{
ushort count = get2();
if (count > 5)
count = 5;
for (i = 0; i < count; i++)
pana8.stripe_height[i] = get2();
}
break;
case 0x011c: /* 284, Gamma */
{
int n = get2();
if (n >= 1024)
imPana.gamma = (float)n / 1024.0f;
else if (n >= 256)
imPana.gamma = (float)n / 256.0f;
else
imPana.gamma = (float)n / 100.0f;
}
break;
case 0x0120: /* 288, CameraIFD, contains tags 0x1xxx, 0x2xxx, 0x3xxx */
{
unsigned sorder = order;
unsigned long sbase = base;
base = ftell(ifp);
order = get2();
fseek(ifp, 2, SEEK_CUR);
fseek(ifp, INT64(get4()) - 8LL, SEEK_CUR);
parse_tiff_ifd(base);
base = sbase;
order = sorder;
}
break;
case 0x0121: /* 289, Multishot, 0 is Off, 65536 is Pixel Shift */
imPana.Multishot = get4();
break;
case 0x1001:
if (imPana.Multishot == 0) {
imPana.Multishot = get4();
if (imPana.Multishot)
imPana.Multishot += 65535;
}
break;
case 0x1100:
imPana.FocusStepNear = get2();
break;
case 0x1101:
imPana.FocusStepCount = get2();
break;
case 0x1105:
imPana.ZoomPosition = get4();
break;
case 0x1201:
if (tagtypeIs(LIBRAW_EXIFTAG_TYPE_SHORT)) {
imPana.LensManufacturer = fgetc(ifp);
} else if (type == 258) {
imPana.LensManufacturer = get4();
if (imPana.LensManufacturer >= 257) {
ilm.LensMount = LIBRAW_MOUNT_LPS_L;
ilm.LensFormat = LIBRAW_FORMAT_FF;
}
}
break;
case 0x1202:
if (ilm.LensMount == LIBRAW_MOUNT_LPS_L) {
if ((utmp = get2())) ilm.LensID = utmp;
} else if ((imPana.LensManufacturer != 0xff) &&
(imPana.LensManufacturer != 0xffffffff)) {
if ((utmp = (fgetc(ifp) << 8) | fgetc(ifp)))
ilm.LensID = (imPana.LensManufacturer << 16) + utmp;
}
break;
case 0x1203: /* 4611, FocalLengthIn35mmFormat, contained in 0x0120
CameraIFD */
if (imgdata.lens.FocalLengthIn35mmFormat < 0.65f)
imgdata.lens.FocalLengthIn35mmFormat = get2();
break;
case 0x2009: /* 8201, contained in 0x0120 CameraIFD */
if ((pana_encoding == 4) || (pana_encoding == 5))
{
i = MIN(8, len);
int permut[8] = {3, 2, 1, 0, 3 + 4, 2 + 4, 1 + 4, 0 + 4};
imPana.BlackLevelDim = len;
for (j = 0; j < i; j++)
{
imPana.BlackLevel[permut[j]] =
(float)(get2()) / (float)(powf(2.f, 14.f - pana_bpp));
}
}
break;
case 0x3420: /* 13344, WB_RedLevelAuto, contained in 0x0120 CameraIFD */
icWBC[LIBRAW_WBI_Auto][0] = get2();
icWBC[LIBRAW_WBI_Auto][1] = icWBC[LIBRAW_WBI_Auto][3] = 1024.0f;
break;
case 0x3421: /* 13345, WB_BlueLevelAuto, contained in 0x0120 CameraIFD */
icWBC[LIBRAW_WBI_Auto][2] = get2();
break;
case 0x0002: /* 2, ImageWidth */
tiff_ifd[ifd].t_width = getint(type);
break;
case 0x0003: /* 3, ImageHeight */
tiff_ifd[ifd].t_height = getint(type);
break;
case 0x0005: /* 5, SensorLeftBorder */
width = get2();
imgdata.sizes.raw_inset_crops[0].cleft = width;
break;
case 0x0006: /* 6, SensorBottomBorder */
height = get2();
imgdata.sizes.raw_inset_crops[0].cheight =
height - imgdata.sizes.raw_inset_crops[0].ctop;
break;
case 0x0007: /* 7, SensorRightBorder */
i = get2();
width += i;
imgdata.sizes.raw_inset_crops[0].cwidth =
i - imgdata.sizes.raw_inset_crops[0].cleft;
break;
case 0x0009: /* 9, CFAPattern */
if ((i = get2()))
filters = i;
break;
case 0x0011: /* 17, RedBalance */
case 0x0012: /* 18, BlueBalance */
if (tagtypeIs(LIBRAW_EXIFTAG_TYPE_SHORT) && len == 1)
cam_mul[(tag - 0x0011) * 2] = get2() / 256.0;
break;
case 0x0017: /* 23, ISO */
if (tagtypeIs(LIBRAW_EXIFTAG_TYPE_SHORT))
iso_speed = get2();
break;
case 0x0024: /* 36, WBRedLevel */
case 0x0025: /* 37, WBGreenLevel */
case 0x0026: /* 38, WBBlueLevel */
cam_mul[tag - 0x0024] = get2();
break;
case 0x0027: /* 39, WBInfo2 */
if ((i = get2()) > 0x100)
break;
for (c = 0; c < i; c++)
{
if ((j = get2()) < 0x100)
{
icWBC[j][0] = get2();
icWBC[j][1] = icWBC[j][3] = get2();
icWBC[j][2] = get2();
if (c == 1 && i > 6 && cam_mul[0] <= 0.001f)
for (int q = 0; q < 4; q++)
cam_mul[q] = icWBC[j][q];
}
else
fseek(ifp, 6, SEEK_CUR);
}
break;
case 0x002e: /* 46, JpgFromRaw */
if ((type != LIBRAW_EXIFTAG_TYPE_UNDEFINED) || (fgetc(ifp) != 0xff) || (fgetc(ifp) != 0xd8))
break;
thumb_offset = ftell(ifp) - 2;
thumb_length = len;
break;
case 0x0118: /* 280, Panasonic RW2 offset */
if (type != LIBRAW_EXIFTAG_TYPE_LONG)
break;
load_raw = &LibRaw::panasonic_load_raw;
load_flags = 0x2008;
case 0x0111: /* 273, StripOffset */
if (len > 1 && len < 16384)
{
off_t sav = ftell(ifp);
tiff_ifd[ifd].strip_offsets = (int *)calloc(len, sizeof(int));
tiff_ifd[ifd].strip_offsets_count = len;
for (int ii = 0; ii < (int)len; ii++)
tiff_ifd[ifd].strip_offsets[ii] = get4() + base;
fseek(ifp, sav, SEEK_SET); // restore position
}
/* fallthrough */
tiff_ifd[ifd].offset = get4() + base;
if (!tiff_ifd[ifd].bps && tiff_ifd[ifd].offset > 0)
{
fseek(ifp, tiff_ifd[ifd].offset, SEEK_SET);
if (ljpeg_start(&jh, 1))
{
tiff_ifd[ifd].comp = 6;
tiff_ifd[ifd].t_width = jh.wide;
tiff_ifd[ifd].t_height = jh.high;
tiff_ifd[ifd].bps = jh.bits;
tiff_ifd[ifd].samples = jh.clrs;
if (!(jh.sraw || (jh.clrs & 1)))
tiff_ifd[ifd].t_width *= jh.clrs;
if ((tiff_ifd[ifd].t_width > 4 * tiff_ifd[ifd].t_height) & ~jh.clrs)
{
tiff_ifd[ifd].t_width /= 2;
tiff_ifd[ifd].t_height *= 2;
}
i = order;
parse_tiff(tiff_ifd[ifd].offset + 12);
order = i;
}
}
break;
}
} /* processing of Panasonic-specific tags finished */
switch (tag)
{ /* processing of general EXIF tags */
case 0xf000: /* 61440, Fuji HS10 table */
fseek(ifp, get4() + base, SEEK_SET);
parse_tiff_ifd(base);
break;
case 0x00fe: /* NewSubfileType */
tiff_ifd[ifd].newsubfiletype = getreal(type);
break;
case 0x0100: /* 256, ImageWidth */
case 0xf001: /* 61441, Fuji RAF RawImageFullWidth */
tiff_ifd[ifd].t_width = getint(type);
break;
case 0x0101: /* 257, ImageHeight */
case 0xf002: /* 61442, Fuji RAF RawImageFullHeight */
tiff_ifd[ifd].t_height = getint(type);
break;
case 0x0102: /* 258, BitsPerSample */
case 0xf003: /* 61443, Fuji RAF 0xf003 */
if(!tiff_ifd[ifd].samples || tag != 0x0102) // ??? already set by tag 0x115
tiff_ifd[ifd].samples = len & 7;
tiff_ifd[ifd].bps = getint(type);
if (tiff_bps < (unsigned)tiff_ifd[ifd].bps)
tiff_bps = tiff_ifd[ifd].bps;
break;
case 0xf006: /* 61446, Fuji RAF 0xf006 */
raw_height = 0;
if (tiff_ifd[ifd].bps > 12)
break;
load_raw = &LibRaw::packed_load_raw;
load_flags = get4() ? 24 : 80;
break;
case 0x0103: /* 259, Compression */
/*
262 = Kodak 262
32767 = Sony ARW Compressed
32769 = Packed RAW
32770 = Samsung SRW Compressed
32772 = Samsung SRW Compressed 2
32867 = Kodak KDC Compressed
34713 = Nikon NEF Compressed
65000 = Kodak DCR Compressed
65535 = Pentax PEF Compressed
*/
tiff_ifd[ifd].comp = getint(type);
break;
case 0x0106: /* 262, PhotometricInterpretation */
tiff_ifd[ifd].phint = get2();
break;
case 0x010e: /* 270, ImageDescription */
fread(desc, 512, 1, ifp);
break;
case 0x010f: /* 271, Make */
fgets(make, 64, ifp);
break;
case 0x0110: /* 272, Model */
if (!strncmp(make, "Hasselblad", 10) && model[0] &&
(imHassy.format != LIBRAW_HF_Imacon))
break;
fgets(model, 64, ifp);
break;
case 0x0116: // 278
tiff_ifd[ifd].rows_per_strip = getint(type);
break;
case 0x0112: /* 274, Orientation */
tiff_ifd[ifd].t_flip = "50132467"[get2() & 7] - '0';
break;
case 0x0115: /* 277, SamplesPerPixel */
tiff_ifd[ifd].samples = getint(type) & 7;
break;
case 0x0152: /* Extrasamples */
tiff_ifd[ifd].extrasamples = (getint(type) & 0xff) + 1024;
break;
case 0x0117: /* 279, StripByteCounts */
if (len > 1 && len < 16384)
{
off_t sav = ftell(ifp);
tiff_ifd[ifd].strip_byte_counts = (int *)calloc(len, sizeof(int));
tiff_ifd[ifd].strip_byte_counts_count = len;
for (int ii = 0; ii < (int)len; ii++)
tiff_ifd[ifd].strip_byte_counts[ii] = get4();
fseek(ifp, sav, SEEK_SET); // restore position
}
/* fallback */
case 0x0202: // 514
case 0xf008: // 61448
tiff_ifd[ifd].bytes = get4();
break;
case 0xf00e: // 61454, FujiFilm "As Shot"
FORC3 cam_mul[GRBG_2_RGBG(c)] = getint(type);
break;
case 0x0131: /* 305, Software */
fgets(software, 64, ifp);
if (!strncmp(software, "Adobe", 5) || !strncmp(software, "dcraw", 5) ||
!strncmp(software, "UFRaw", 5) || !strncmp(software, "Bibble", 6) ||
!strcmp(software, "Digital Photo Professional"))
is_raw = 0;
break;
case 0x0132: /* 306, DateTime */
get_timestamp(0);
break;
case 0x013b: /* 315, Artist */
fread(artist, 64, 1, ifp);
break;
case 0x013d: // 317
tiff_ifd[ifd].predictor = getint(type);
break;
case 0x0142: /* 322, TileWidth */
tiff_ifd[ifd].t_tile_width = getint(type);
break;
case 0x0143: /* 323, TileLength */
tiff_ifd[ifd].t_tile_length = getint(type);
break;
case 0x0144: /* 324, TileOffsets */
tiff_ifd[ifd].offset = len > 1 ? ftell(ifp) : get4();
if (len == 1)
tiff_ifd[ifd].t_tile_width = tiff_ifd[ifd].t_tile_length = 0;
if (len == 4)
{
load_raw = &LibRaw::sinar_4shot_load_raw;
is_raw = 5;
}
break;
case 0x0145: // 325
tiff_ifd[ifd].bytes = len > 1 ? ftell(ifp) : get4();
break;
case 0x014a: /* 330, SubIFDs */
if (!strcmp(model, "DSLR-A100") && tiff_ifd[ifd].t_width == 3872)
{
load_raw = &LibRaw::sony_arw_load_raw;
data_offset = get4() + base;
ifd++;
if (ifd >= int(sizeof tiff_ifd / sizeof tiff_ifd[0]))
throw LIBRAW_EXCEPTION_IO_CORRUPT;
break;
}
if (!strncmp(make, "Hasselblad", 10) &&
libraw_internal_data.unpacker_data.hasselblad_parser_flag)
{
fseek(ifp, ftell(ifp) + 4, SEEK_SET);
fseek(ifp, get4() + base, SEEK_SET);
parse_tiff_ifd(base);
break;
}
if (len > 1000)
len = 1000; /* 1000 SubIFDs is enough */
while (len--)
{
i = ftell(ifp);
fseek(ifp, get4() + base, SEEK_SET);
if (parse_tiff_ifd(base))
break;
fseek(ifp, i + 4, SEEK_SET);
}
break;
case 0x0153: // 339
tiff_ifd[ifd].sample_format = getint(type);
break;
case 0x0190: // 400
strcpy(make, "Sarnoff");
maximum = 0xfff;
break;
case 0x02bc: // 700
if ((tagtypeIs(LIBRAW_EXIFTAG_TYPE_BYTE) ||
tagtypeIs(LIBRAW_EXIFTAG_TYPE_ASCII) ||
tagtypeIs(LIBRAW_EXIFTAG_TYPE_SBYTE) ||
tagtypeIs(LIBRAW_EXIFTOOLTAGTYPE_binary)) &&
(len > 1) && (len < 5100000))
{
xmpdata = (char *)malloc(xmplen = len + 1);
fread(xmpdata, len, 1, ifp);
xmpdata[len] = 0;
}
break;
case 0x7000:
imSony.SonyRawFileType = get2();
break;
case 0x7010: // 28688
FORC4 sony_curve[c + 1] = get2() >> 2 & 0xfff;
for (i = 0; i < 5; i++)
for (j = sony_curve[i] + 1; j <= (int)sony_curve[i + 1]; j++)
curve[j] = curve[j - 1] + (1 << i);
break;
case 0x7200: // 29184, Sony SR2Private
sony_offset = get4();
break;
case 0x7201: // 29185, Sony SR2Private
sony_length = get4();
break;
case 0x7221: // 29217, Sony SR2Private
sony_key = get4();
break;
case 0x7250: // 29264, Sony SR2Private
parse_minolta(ftell(ifp));
raw_width = 0;
break;
case 0x7303: // 29443, Sony SR2SubIFD
FORC4 cam_mul[GRBG_2_RGBG(c)] = get2();
break;
case 0x7313: // 29459, Sony SR2SubIFD
FORC4 cam_mul[RGGB_2_RGBG(c)] = get2();
break;
case 0x7310: // 29456, Sony SR2SubIFD
FORC4 cblack[RGGB_2_RGBG(c)] = get2();
i = cblack[3];
FORC3 if (i > (int)cblack[c]) i = cblack[c];
FORC4 cblack[c] -= i;
black = i;
break;
case 0x827d: /* 33405, Model2 */
/*
for Kodak ProBack 645 PB645x-yyyy 'x' is:
'M' for Mamiya 645
'C' for Contax 645
'H' for Hasselblad H-series
*/
fgets(model2, 64, ifp);
break;
case 0x828d: /* 33421, CFARepeatPatternDim */
if (get2() == 6 && get2() == 6)
tiff_ifd[ifd].t_filters = filters = 9;
break;
case 0x828e: /* 33422, CFAPattern */
if (filters == 9)
{
FORC(36)((char *)xtrans)[c] = fgetc(ifp) & 3;
break;
}
case 0xfd09: /* 64777, Kodak P-series */
if (len == 36)
{
tiff_ifd[ifd].t_filters = filters = 9;
colors = 3;
FORC(36)((char *)xtrans)[c] = fgetc(ifp) & 3;
}
else if (len > 0)
{
if ((plen = len) > 16)
plen = 16;
fread(cfa_pat, 1, plen, ifp);
for (colors = cfa = i = 0; i < (int)plen && colors < 4; i++)
{
if (cfa_pat[i] > 31)
continue; // Skip wrong data
colors += !(cfa & (1 << cfa_pat[i]));
cfa |= 1 << cfa_pat[i];
}
if (cfa == 070)
memcpy(cfa_pc, "\003\004\005", 3); /* CMY */
if (cfa == 072)
memcpy(cfa_pc, "\005\003\004\001", 4); /* GMCY */
goto guess_cfa_pc;
}
break;
case 0x8290: // 33424
case 0xfe00: // 65024
fseek(ifp, get4() + base, SEEK_SET);
parse_kodak_ifd(base);
break;
case 0x829a: /* 33434, ExposureTime */
tiff_ifd[ifd].t_shutter = shutter = getreal(type);
break;
case 0x829d: /* 33437, FNumber */
aperture = getreal(type);
break;
case 0x9400:
imCommon.exifAmbientTemperature = getreal(type);
if ((imCommon.CameraTemperature > -273.15f) &&
((OlyID == OlyID_TG_5) || (OlyID == OlyID_TG_6)))
imCommon.CameraTemperature +=
imCommon.exifAmbientTemperature;
break;
case 0x9401:
imCommon.exifHumidity = getreal(type);
break;
case 0x9402:
imCommon.exifPressure = getreal(type);
break;
case 0x9403:
imCommon.exifWaterDepth = getreal(type);
break;
case 0x9404:
imCommon.exifAcceleration = getreal(type);
break;
case 0x9405:
imCommon.exifCameraElevationAngle = getreal(type);
break;
case 0xa405: // FocalLengthIn35mmFormat
imgdata.lens.FocalLengthIn35mmFormat = get2();
break;
case 0xa431: // BodySerialNumber
case 0xc62f:
stmread(imgdata.shootinginfo.BodySerial, len, ifp);
break;
case 0xa432: // LensInfo, 42034dec, Lens Specification per EXIF standard
imgdata.lens.MinFocal = getreal(type);
imgdata.lens.MaxFocal = getreal(type);
imgdata.lens.MaxAp4MinFocal = getreal(type);
imgdata.lens.MaxAp4MaxFocal = getreal(type);
break;
case 0xa435: // LensSerialNumber
stmread(imgdata.lens.LensSerial, len, ifp);
break;
case 0xc630: // DNG LensInfo, Lens Specification per EXIF standard
imgdata.lens.MinFocal = getreal(type);
imgdata.lens.MaxFocal = getreal(type);
imgdata.lens.MaxAp4MinFocal = getreal(type);
imgdata.lens.MaxAp4MaxFocal = getreal(type);
break;
case 0xa420: /* 42016, ImageUniqueID */
stmread(imgdata.color.ImageUniqueID, len, ifp);
break;
case 0xc65d: /* 50781, RawDataUniqueID */
imgdata.color.RawDataUniqueID[16] = 0;
fread(imgdata.color.RawDataUniqueID, 1, 16, ifp);
break;
case 0xa433: // LensMake
stmread(imgdata.lens.LensMake, len, ifp);
break;
case 0xa434: // LensModel
stmread(imgdata.lens.Lens, len, ifp);
if (!strncmp(imgdata.lens.Lens, "----", 4))
imgdata.lens.Lens[0] = 0;
break;
case 0x9205:
imgdata.lens.EXIF_MaxAp = libraw_powf64l(2.0f, (getreal(type) / 2.0f));
break;
case 0x8602: /* 34306, Leaf white balance */
FORC4
{
int q = get2();
if (q)
cam_mul[GRGB_2_RGBG(c)] = 4096.0 / q;
}
break;
case 0x8603: /* 34307, Leaf CatchLight color matrix */
fread(software, 1, 7, ifp);
if (strncmp(software, "MATRIX", 6))
break;
colors = 4;
for (raw_color = i = 0; i < 3; i++)
{
FORC4 fscanf(ifp, "%f", &rgb_cam[i][GRGB_2_RGBG(c)]);
if (!use_camera_wb)
continue;
num = 0;
FORC4 num += rgb_cam[i][c];
FORC4 rgb_cam[i][c] /= MAX(1, num);
}
break;
case 0x8606: /* 34310, Leaf metadata */
parse_mos(ftell(ifp));
case 0x85ff: // 34303
strcpy(make, "Leaf");
break;
case 0x8769: /* 34665, EXIF tag */
fseek(ifp, get4() + base, SEEK_SET);
parse_exif(base);
break;
case 0x8825: /* 34853, GPSInfo tag */
{
unsigned pos;
fseek(ifp, pos = (get4() + base), SEEK_SET);
parse_gps(base);
fseek(ifp, pos, SEEK_SET);
parse_gps_libraw(base);
}
break;
case 0x8773: /* 34675, InterColorProfile */
case 0xc68f: /* 50831, AsShotICCProfile */
profile_offset = ftell(ifp);
profile_length = len;
break;
case 0x9102: /* 37122, CompressedBitsPerPixel */
kodak_cbpp = get4();
break;
case 0x920a: /* 37386, FocalLength */
focal_len = getreal(type);
break;
case 0x9211: /* 37393, ImageNumber */
shot_order = getint(type);
break;
case 0x9215: /* 37397, ExposureIndex */
imCommon.exifExposureIndex = getreal(type);
break;
case 0x9218: /* 37400, old Kodak KDC tag */
for (raw_color = i = 0; i < 3; i++)
{
getreal(type);
FORC3 rgb_cam[i][c] = getreal(type);
}
break;
case 0xa010: // 40976
strip_offset = get4();
switch (tiff_ifd[ifd].comp)
{
case 0x8002: // 32770
load_raw = &LibRaw::samsung_load_raw;
break;
case 0x8004: // 32772
load_raw = &LibRaw::samsung2_load_raw;
break;
case 0x8005: // 32773
load_raw = &LibRaw::samsung3_load_raw;
break;
}
break;
case 0xb4c3: /* 46275, Imacon tags */
imHassy.format = LIBRAW_HF_Imacon;
strcpy(make, "Imacon");
data_offset = ftell(ifp);
ima_len = len;
break;
case 0xb4c7: // 46279
if (!ima_len)
break;
fseek(ifp, 38, SEEK_CUR);
case 0xb4c2: // 46274
fseek(ifp, 40, SEEK_CUR);
raw_width = get4();
raw_height = get4();
left_margin = get4() & 7;
width = raw_width - left_margin - (get4() & 7);
top_margin = get4() & 7;
height = raw_height - top_margin - (get4() & 7);
if (raw_width == 7262 && ima_len == 234317952)
{
height = 5412;
width = 7216;
left_margin = 7;
filters = 0;
}
else if (raw_width == 7262)
{
height = 5444;
width = 7244;
left_margin = 7;
}
fseek(ifp, 52, SEEK_CUR);
FORC3 cam_mul[c] = getreal(LIBRAW_EXIFTAG_TYPE_FLOAT);
fseek(ifp, 114, SEEK_CUR);
flip = (get2() >> 7) * 90;
if (width * (height * 6l) == ima_len)
{