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Diffstat (limited to 'kernel/kls_camera/dcraw.c')
| -rw-r--r-- | kernel/kls_camera/dcraw.c | 8269 |
1 files changed, 8269 insertions, 0 deletions
diff --git a/kernel/kls_camera/dcraw.c b/kernel/kls_camera/dcraw.c new file mode 100644 index 0000000..0eea8e1 --- /dev/null +++ b/kernel/kls_camera/dcraw.c @@ -0,0 +1,8269 @@ +/* + dcraw.c -- Dave Coffin's raw photo decoder + Copyright 1997-2007 by Dave Coffin, dcoffin a cybercom o net + + This is a command-line ANSI C program to convert raw photos from + any digital camera on any computer running any operating system. + + No license is required to download and use dcraw.c. However, + to lawfully redistribute dcraw, you must either (a) offer, at + no extra charge, full source code* for all executable files + containing RESTRICTED functions, (b) distribute this code under + the GPL Version 2 or later, (c) remove all RESTRICTED functions, + re-implement them, or copy them from an earlier, unrestricted + Revision of dcraw.c, or (d) purchase a license from the author. + + The functions that process Foveon images have been RESTRICTED + since Revision 1.237. All other code remains free for all uses. + + *If you have not modified dcraw.c in any way, a link to my + homepage qualifies as "full source code". + + $Revision: 1.394 $ + $Date: 2007/11/04 02:18:54 $ + */ + +#define VERSION "8.79" + +#define _GNU_SOURCE +#define _USE_MATH_DEFINES +#include <ctype.h> +#include <errno.h> +#include <fcntl.h> +#include <float.h> +#include <limits.h> +#include <math.h> +#include <setjmp.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> +#include <sys/types.h> +/* + NO_JPEG disables decoding of compressed Kodak DC120 files. + NO_LCMS disables the "-p" option. + */ +#ifndef NO_JPEG +#include <jpeglib.h> +#endif +#ifndef NO_LCMS +#include <lcms.h> +#endif +#ifdef LOCALEDIR +#include <libintl.h> +#define _(String) gettext(String) +#else +#define _(String) (String) +#endif +#define fgetc getc_unlocked +#ifdef DJGPP +#define fseeko fseek +#define ftello ftell +#endif +#ifdef __CYGWIN__ +#include <io.h> +#endif +#ifdef WIN32 +#include <sys/utime.h> +#include <winsock2.h> +#pragma comment(lib, "ws2_32.lib") +#define snprintf _snprintf +#define strcasecmp stricmp +#define strncasecmp strnicmp +typedef __int64 INT64; +typedef unsigned __int64 UINT64; +#else +#include <unistd.h> +#include <utime.h> +#include <netinet/in.h> +typedef long long INT64; +typedef unsigned long long UINT64; +#endif + +#ifdef LJPEG_DECODE +#error Please compile dcraw.c by itself. +#error Do not link it with ljpeg_decode. +#endif + +#ifndef LONG_BIT +#define LONG_BIT (8 * sizeof (long)) +#endif + +#define ushort UshORt +typedef unsigned char uchar; +typedef unsigned short ushort; + +/* + All global variables are defined here, and all functions that + access them are prefixed with "CLASS". Note that a thread-safe + C++ class cannot have non-const static local variables. + */ +FILE *ifp; +short order; +char *ifname, *meta_data; +char cdesc[5], desc[512], make[64], model[64], model2[64], artist[64]; +float flash_used, canon_ev, iso_speed, shutter, aperture, focal_len; +time_t timestamp; +unsigned shot_order, kodak_cbpp, filters, exif_cfa, unique_id; +off_t strip_offset, data_offset; +off_t thumb_offset, meta_offset, profile_offset; +unsigned thumb_length, meta_length, profile_length; +unsigned thumb_misc, *oprof, fuji_layout, shot_select=0, multi_out=0; +unsigned tiff_nifds, tiff_samples, tiff_bps, tiff_compress; +unsigned black, maximum, mix_green, raw_color, use_gamma, zero_is_bad; +unsigned zero_after_ff, is_raw, dng_version, is_foveon, data_error; +unsigned tile_width, tile_length; +ushort raw_height, raw_width, height, width, top_margin, left_margin; +ushort shrink, iheight, iwidth, fuji_width, thumb_width, thumb_height; +int flip, tiff_flip, colors; +double pixel_aspect, aber[4]={1,1,1,1}; +ushort (*image)[4], white[8][8], curve[0x4001], cr2_slice[3], sraw_mul[4]; +float bright=1, user_mul[4]={0,0,0,0}, threshold=0; +int half_size=0, four_color_rgb=0, document_mode=0, highlight=0; +int verbose=0, use_auto_wb=0, use_camera_wb=0, use_camera_matrix=-1; +int output_color=1, output_bps=8, output_tiff=0, med_passes=0; +unsigned greybox[4] = { 0, 0, UINT_MAX, UINT_MAX }; +float cam_mul[4], pre_mul[4], cmatrix[3][4], rgb_cam[3][4]; +const double xyz_rgb[3][3] = { /* XYZ from RGB */ + { 0.412453, 0.357580, 0.180423 }, + { 0.212671, 0.715160, 0.072169 }, + { 0.019334, 0.119193, 0.950227 } }; +const float d65_white[3] = { 0.950456, 1, 1.088754 }; +int histogram[4][0x2000]; +void (*write_thumb)(FILE *), (*write_fun)(FILE *); +void (*load_raw)(), (*thumb_load_raw)(); +jmp_buf failure; + +struct decode { + struct decode *branch[2]; + int leaf; +} first_decode[2048], *second_decode, *free_decode; + +struct { + int width, height, bps, comp, phint, offset, flip, samples, bytes; +} tiff_ifd[10]; + +struct { + int format, key_off, black, black_off, split_col, tag_21a; + float tag_210; +} ph1; + +#define CLASS + +#define FORC3 for (c=0; c < 3; c++) +#define FORC4 for (c=0; c < 4; c++) +#define FORCC for (c=0; c < colors; c++) + +#define SQR(x) ((x)*(x)) +#define ABS(x) (((int)(x) ^ ((int)(x) >> 31)) - ((int)(x) >> 31)) +#define MIN(a,b) ((a) < (b) ? (a) : (b)) +#define MAX(a,b) ((a) > (b) ? (a) : (b)) +#define LIM(x,min,max) MAX(min,MIN(x,max)) +#define ULIM(x,y,z) ((y) < (z) ? LIM(x,y,z) : LIM(x,z,y)) +#define CLIP(x) LIM(x,0,65535) +#define SWAP(a,b) { a ^= b; a ^= (b ^= a); } + +/* + In order to inline this calculation, I make the risky + assumption that all filter patterns can be described + by a repeating pattern of eight rows and two columns + + Do not use the FC or BAYER macros with the Leaf CatchLight, + because its pattern is 16x16, not 2x8. + + Return values are either 0/1/2/3 = G/M/C/Y or 0/1/2/3 = R/G1/B/G2 + + PowerShot 600 PowerShot A50 PowerShot Pro70 Pro90 & G1 + 0xe1e4e1e4: 0x1b4e4b1e: 0x1e4b4e1b: 0xb4b4b4b4: + + 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 + 0 G M G M G M 0 C Y C Y C Y 0 Y C Y C Y C 0 G M G M G M + 1 C Y C Y C Y 1 M G M G M G 1 M G M G M G 1 Y C Y C Y C + 2 M G M G M G 2 Y C Y C Y C 2 C Y C Y C Y + 3 C Y C Y C Y 3 G M G M G M 3 G M G M G M + 4 C Y C Y C Y 4 Y C Y C Y C + PowerShot A5 5 G M G M G M 5 G M G M G M + 0x1e4e1e4e: 6 Y C Y C Y C 6 C Y C Y C Y + 7 M G M G M G 7 M G M G M G + 0 1 2 3 4 5 + 0 C Y C Y C Y + 1 G M G M G M + 2 C Y C Y C Y + 3 M G M G M G + + All RGB cameras use one of these Bayer grids: + + 0x16161616: 0x61616161: 0x49494949: 0x94949494: + + 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 + 0 B G B G B G 0 G R G R G R 0 G B G B G B 0 R G R G R G + 1 G R G R G R 1 B G B G B G 1 R G R G R G 1 G B G B G B + 2 B G B G B G 2 G R G R G R 2 G B G B G B 2 R G R G R G + 3 G R G R G R 3 B G B G B G 3 R G R G R G 3 G B G B G B + */ + +#define FC(row,col) \ + (filters >> ((((row) << 1 & 14) + ((col) & 1)) << 1) & 3) + +#define BAYER(row,col) \ + image[((row) >> shrink)*iwidth + ((col) >> shrink)][FC(row,col)] + +#define BAYER2(row,col) \ + image[((row) >> shrink)*iwidth + ((col) >> shrink)][fc(row,col)] + +int CLASS fc (int row, int col) +{ + static const char filter[16][16] = + { { 2,1,1,3,2,3,2,0,3,2,3,0,1,2,1,0 }, + { 0,3,0,2,0,1,3,1,0,1,1,2,0,3,3,2 }, + { 2,3,3,2,3,1,1,3,3,1,2,1,2,0,0,3 }, + { 0,1,0,1,0,2,0,2,2,0,3,0,1,3,2,1 }, + { 3,1,1,2,0,1,0,2,1,3,1,3,0,1,3,0 }, + { 2,0,0,3,3,2,3,1,2,0,2,0,3,2,2,1 }, + { 2,3,3,1,2,1,2,1,2,1,1,2,3,0,0,1 }, + { 1,0,0,2,3,0,0,3,0,3,0,3,2,1,2,3 }, + { 2,3,3,1,1,2,1,0,3,2,3,0,2,3,1,3 }, + { 1,0,2,0,3,0,3,2,0,1,1,2,0,1,0,2 }, + { 0,1,1,3,3,2,2,1,1,3,3,0,2,1,3,2 }, + { 2,3,2,0,0,1,3,0,2,0,1,2,3,0,1,0 }, + { 1,3,1,2,3,2,3,2,0,2,0,1,1,0,3,0 }, + { 0,2,0,3,1,0,0,1,1,3,3,2,3,2,2,1 }, + { 2,1,3,2,3,1,2,1,0,3,0,2,0,2,0,2 }, + { 0,3,1,0,0,2,0,3,2,1,3,1,1,3,1,3 } }; + + if (filters != 1) return FC(row,col); + return filter[(row+top_margin) & 15][(col+left_margin) & 15]; +} + +#ifndef __GLIBC__ +char *my_memmem (char *haystack, size_t haystacklen, + char *needle, size_t needlelen) +{ + char *c; + for (c = haystack; c <= haystack + haystacklen - needlelen; c++) + if (!memcmp (c, needle, needlelen)) + return c; + return 0; +} +#define memmem my_memmem +#endif + +void CLASS merror (void *ptr, char *where) +{ + if (ptr) return; + fprintf (stderr,_("%s: Out of memory in %s\n"), ifname, where); + longjmp (failure, 1); +} + +void CLASS derror() +{ + if (!data_error) { + fprintf (stderr, "%s: ", ifname); + if (feof(ifp)) + fprintf (stderr,_("Unexpected end of file\n")); + else + fprintf (stderr,_("Corrupt data near 0x%llx\n"), (INT64) ftello(ifp)); + } + data_error = 1; +} + +ushort CLASS sget2 (uchar *s) +{ + if (order == 0x4949) /* "II" means little-endian */ + return s[0] | s[1] << 8; + else /* "MM" means big-endian */ + return s[0] << 8 | s[1]; +} + +ushort CLASS get2() +{ + uchar str[2] = { 0xff,0xff }; + fread (str, 1, 2, ifp); + return sget2(str); +} + +unsigned CLASS sget4 (uchar *s) +{ + if (order == 0x4949) + return s[0] | s[1] << 8 | s[2] << 16 | s[3] << 24; + else + return s[0] << 24 | s[1] << 16 | s[2] << 8 | s[3]; +} +#define sget4(s) sget4((uchar *)s) + +unsigned CLASS get4() +{ + uchar str[4] = { 0xff,0xff,0xff,0xff }; + fread (str, 1, 4, ifp); + return sget4(str); +} + +unsigned CLASS getint (int type) +{ + return type == 3 ? get2() : get4(); +} + +float CLASS int_to_float (int i) +{ + union { int i; float f; } u; + u.i = i; + return u.f; +} + +double CLASS getreal (int type) +{ + union { char c[8]; double d; } u; + int i, rev; + + switch (type) { + case 3: return (unsigned short) get2(); + case 4: return (unsigned int) get4(); + case 5: u.d = (unsigned int) get4(); + return u.d / (unsigned int) get4(); + case 8: return (signed short) get2(); + case 9: return (signed int) get4(); + case 10: u.d = (signed int) get4(); + return u.d / (signed int) get4(); + case 11: return int_to_float (get4()); + case 12: + rev = 7 * ((order == 0x4949) == (ntohs(0x1234) == 0x1234)); + for (i=0; i < 8; i++) + u.c[i ^ rev] = fgetc(ifp); + return u.d; + default: return fgetc(ifp); + } +} +#define getrat() getreal(10) + +void CLASS read_shorts (ushort *pixel, int count) +{ + if (fread (pixel, 2, count, ifp) < count) derror(); + if ((order == 0x4949) == (ntohs(0x1234) == 0x1234)) + swab (pixel, pixel, count*2); +} + +void CLASS canon_600_fixed_wb (int temp) +{ + static const short mul[4][5] = { + { 667, 358,397,565,452 }, + { 731, 390,367,499,517 }, + { 1119, 396,348,448,537 }, + { 1399, 485,431,508,688 } }; + int lo, hi, i; + float frac=0; + + for (lo=4; --lo; ) + if (*mul[lo] <= temp) break; + for (hi=0; hi < 3; hi++) + if (*mul[hi] >= temp) break; + if (lo != hi) + frac = (float) (temp - *mul[lo]) / (*mul[hi] - *mul[lo]); + for (i=1; i < 5; i++) + pre_mul[i-1] = 1 / (frac * mul[hi][i] + (1-frac) * mul[lo][i]); +} + +/* Return values: 0 = white 1 = near white 2 = not white */ +int CLASS canon_600_color (int ratio[2], int mar) +{ + int clipped=0, target, miss; + + if (flash_used) { + if (ratio[1] < -104) + { ratio[1] = -104; clipped = 1; } + if (ratio[1] > 12) + { ratio[1] = 12; clipped = 1; } + } else { + if (ratio[1] < -264 || ratio[1] > 461) return 2; + if (ratio[1] < -50) + { ratio[1] = -50; clipped = 1; } + if (ratio[1] > 307) + { ratio[1] = 307; clipped = 1; } + } + target = flash_used || ratio[1] < 197 + ? -38 - (398 * ratio[1] >> 10) + : -123 + (48 * ratio[1] >> 10); + if (target - mar <= ratio[0] && + target + 20 >= ratio[0] && !clipped) return 0; + miss = target - ratio[0]; + if (abs(miss) >= mar*4) return 2; + if (miss < -20) miss = -20; + if (miss > mar) miss = mar; + ratio[0] = target - miss; + return 1; +} + +void CLASS canon_600_auto_wb() +{ + int mar, row, col, i, j, st, count[] = { 0,0 }; + int test[8], total[2][8], ratio[2][2], stat[2]; + + memset (&total, 0, sizeof total); + i = canon_ev + 0.5; + if (i < 10) mar = 150; + else if (i > 12) mar = 20; + else mar = 280 - 20 * i; + if (flash_used) mar = 80; + for (row=14; row < height-14; row+=4) + for (col=10; col < width; col+=2) { + for (i=0; i < 8; i++) + test[(i & 4) + FC(row+(i >> 1),col+(i & 1))] = + BAYER(row+(i >> 1),col+(i & 1)); + for (i=0; i < 8; i++) + if (test[i] < 150 || test[i] > 1500) goto next; + for (i=0; i < 4; i++) + if (abs(test[i] - test[i+4]) > 50) goto next; + for (i=0; i < 2; i++) { + for (j=0; j < 4; j+=2) + ratio[i][j >> 1] = ((test[i*4+j+1]-test[i*4+j]) << 10) / test[i*4+j]; + stat[i] = canon_600_color (ratio[i], mar); + } + if ((st = stat[0] | stat[1]) > 1) goto next; + for (i=0; i < 2; i++) + if (stat[i]) + for (j=0; j < 2; j++) + test[i*4+j*2+1] = test[i*4+j*2] * (0x400 + ratio[i][j]) >> 10; + for (i=0; i < 8; i++) + total[st][i] += test[i]; + count[st]++; +next: ; + } + if (count[0] | count[1]) { + st = count[0]*200 < count[1]; + for (i=0; i < 4; i++) + pre_mul[i] = 1.0 / (total[st][i] + total[st][i+4]); + } +} + +void CLASS canon_600_coeff() +{ + static const short table[6][12] = { + { -190,702,-1878,2390, 1861,-1349,905,-393, -432,944,2617,-2105 }, + { -1203,1715,-1136,1648, 1388,-876,267,245, -1641,2153,3921,-3409 }, + { -615,1127,-1563,2075, 1437,-925,509,3, -756,1268,2519,-2007 }, + { -190,702,-1886,2398, 2153,-1641,763,-251, -452,964,3040,-2528 }, + { -190,702,-1878,2390, 1861,-1349,905,-393, -432,944,2617,-2105 }, + { -807,1319,-1785,2297, 1388,-876,769,-257, -230,742,2067,-1555 } }; + int t=0, i, c; + float mc, yc; + + mc = pre_mul[1] / pre_mul[2]; + yc = pre_mul[3] / pre_mul[2]; + if (mc > 1 && mc <= 1.28 && yc < 0.8789) t=1; + if (mc > 1.28 && mc <= 2) { + if (yc < 0.8789) t=3; + else if (yc <= 2) t=4; + } + if (flash_used) t=5; + for (raw_color = i=0; i < 3; i++) + FORCC rgb_cam[i][c] = table[t][i*4 + c] / 1024.0; +} + +void CLASS canon_600_load_raw() +{ + uchar data[1120], *dp; + ushort pixel[896], *pix; + int irow, row, col, val; + static const short mul[4][2] = + { { 1141,1145 }, { 1128,1109 }, { 1178,1149 }, { 1128,1109 } }; + + for (irow=row=0; irow < height; irow++) { + if (fread (data, 1, raw_width*5/4, ifp) < raw_width*5/4) derror(); + for (dp=data, pix=pixel; dp < data+1120; dp+=10, pix+=8) { + pix[0] = (dp[0] << 2) + (dp[1] >> 6 ); + pix[1] = (dp[2] << 2) + (dp[1] >> 4 & 3); + pix[2] = (dp[3] << 2) + (dp[1] >> 2 & 3); + pix[3] = (dp[4] << 2) + (dp[1] & 3); + pix[4] = (dp[5] << 2) + (dp[9] & 3); + pix[5] = (dp[6] << 2) + (dp[9] >> 2 & 3); + pix[6] = (dp[7] << 2) + (dp[9] >> 4 & 3); + pix[7] = (dp[8] << 2) + (dp[9] >> 6 ); + } + for (col=0; col < width; col++) + BAYER(row,col) = pixel[col]; + for (col=width; col < raw_width; col++) + black += pixel[col]; + if ((row+=2) > height) row = 1; + } + if (raw_width > width) + black = black / ((raw_width - width) * height) - 4; + for (row=0; row < height; row++) + for (col=0; col < width; col++) { + if ((val = BAYER(row,col) - black) < 0) val = 0; + val = val * mul[row & 3][col & 1] >> 9; + BAYER(row,col) = val; + } + canon_600_fixed_wb(1311); + canon_600_auto_wb(); + canon_600_coeff(); + maximum = (0x3ff - black) * 1109 >> 9; + black = 0; +} + +void CLASS remove_zeroes() +{ + unsigned row, col, tot, n, r, c; + + for (row=0; row < height; row++) + for (col=0; col < width; col++) + if (BAYER(row,col) == 0) { + tot = n = 0; + for (r = row-2; r <= row+2; r++) + for (c = col-2; c <= col+2; c++) + if (r < height && c < width && + FC(r,c) == FC(row,col) && BAYER(r,c)) + tot += (n++,BAYER(r,c)); + if (n) BAYER(row,col) = tot/n; + } +} + +int CLASS canon_s2is() +{ + unsigned row; + + for (row=0; row < 100; row++) { + fseek (ifp, row*3340 + 3284, SEEK_SET); + if (getc(ifp) > 15) return 1; + } + return 0; +} + +void CLASS canon_a5_load_raw() +{ + ushort data[2335], *dp, pixel; + int vbits=0, buf=0, row, col, bc=0; + + order = 0x4949; + for (row=-top_margin; row < raw_height-top_margin; row++) { + read_shorts (dp=data, raw_width * 10 / 16); + for (col=-left_margin; col < raw_width-left_margin; col++) { + if (vbits < 10) + buf = (vbits += 16, (buf << 16) + *dp++); + pixel = buf >> (vbits -= 10) & 0x3ff; + if ((unsigned) row < height && (unsigned) col < width) + BAYER(row,col) = pixel; + else if (col > 1-left_margin && col != width) + black += (bc++,pixel); + } + } + if (bc) black /= bc; + maximum = 0x3ff; + if (raw_width > 1600) remove_zeroes(); +} + +/* + getbits(-1) initializes the buffer + getbits(n) where 0 <= n <= 25 returns an n-bit integer + */ +unsigned CLASS getbits (int nbits) +{ + static unsigned bitbuf=0; + static int vbits=0, reset=0; + unsigned c; + + if (nbits == -1) + return bitbuf = vbits = reset = 0; + if (nbits == 0 || reset) return 0; + while (vbits < nbits) { + if ((c = fgetc(ifp)) == EOF) derror(); + if ((reset = zero_after_ff && c == 0xff && fgetc(ifp))) return 0; + bitbuf = (bitbuf << 8) + (uchar) c; + vbits += 8; + } + vbits -= nbits; + return bitbuf << (32-nbits-vbits) >> (32-nbits); +} + +void CLASS init_decoder() +{ + memset (first_decode, 0, sizeof first_decode); + free_decode = first_decode; +} + +/* + Construct a decode tree according the specification in *source. + The first 16 bytes specify how many codes should be 1-bit, 2-bit + 3-bit, etc. Bytes after that are the leaf values. + + For example, if the source is + + { 0,1,4,2,3,1,2,0,0,0,0,0,0,0,0,0, + 0x04,0x03,0x05,0x06,0x02,0x07,0x01,0x08,0x09,0x00,0x0a,0x0b,0xff }, + + then the code is + + 00 0x04 + 010 0x03 + 011 0x05 + 100 0x06 + 101 0x02 + 1100 0x07 + 1101 0x01 + 11100 0x08 + 11101 0x09 + 11110 0x00 + 111110 0x0a + 1111110 0x0b + 1111111 0xff + */ +uchar * CLASS make_decoder (const uchar *source, int level) +{ + struct decode *cur; + static int leaf; + int i, next; + + if (level==0) leaf=0; + cur = free_decode++; + if (free_decode > first_decode+2048) { + fprintf (stderr,_("%s: decoder table overflow\n"), ifname); + longjmp (failure, 2); + } + for (i=next=0; i <= leaf && next < 16; ) + i += source[next++]; + if (i > leaf) { + if (level < next) { + cur->branch[0] = free_decode; + make_decoder (source, level+1); + cur->branch[1] = free_decode; + make_decoder (source, level+1); + } else + cur->leaf = source[16 + leaf++]; + } + return (uchar *) source + 16 + leaf; +} + +void CLASS crw_init_tables (unsigned table) +{ + static const uchar first_tree[3][29] = { + { 0,1,4,2,3,1,2,0,0,0,0,0,0,0,0,0, + 0x04,0x03,0x05,0x06,0x02,0x07,0x01,0x08,0x09,0x00,0x0a,0x0b,0xff }, + { 0,2,2,3,1,1,1,1,2,0,0,0,0,0,0,0, + 0x03,0x02,0x04,0x01,0x05,0x00,0x06,0x07,0x09,0x08,0x0a,0x0b,0xff }, + { 0,0,6,3,1,1,2,0,0,0,0,0,0,0,0,0, + 0x06,0x05,0x07,0x04,0x08,0x03,0x09,0x02,0x00,0x0a,0x01,0x0b,0xff }, + }; + static const uchar second_tree[3][180] = { + { 0,2,2,2,1,4,2,1,2,5,1,1,0,0,0,139, + 0x03,0x04,0x02,0x05,0x01,0x06,0x07,0x08, + 0x12,0x13,0x11,0x14,0x09,0x15,0x22,0x00,0x21,0x16,0x0a,0xf0, + 0x23,0x17,0x24,0x31,0x32,0x18,0x19,0x33,0x25,0x41,0x34,0x42, + 0x35,0x51,0x36,0x37,0x38,0x29,0x79,0x26,0x1a,0x39,0x56,0x57, + 0x28,0x27,0x52,0x55,0x58,0x43,0x76,0x59,0x77,0x54,0x61,0xf9, + 0x71,0x78,0x75,0x96,0x97,0x49,0xb7,0x53,0xd7,0x74,0xb6,0x98, + 0x47,0x48,0x95,0x69,0x99,0x91,0xfa,0xb8,0x68,0xb5,0xb9,0xd6, + 0xf7,0xd8,0x67,0x46,0x45,0x94,0x89,0xf8,0x81,0xd5,0xf6,0xb4, + 0x88,0xb1,0x2a,0x44,0x72,0xd9,0x87,0x66,0xd4,0xf5,0x3a,0xa7, + 0x73,0xa9,0xa8,0x86,0x62,0xc7,0x65,0xc8,0xc9,0xa1,0xf4,0xd1, + 0xe9,0x5a,0x92,0x85,0xa6,0xe7,0x93,0xe8,0xc1,0xc6,0x7a,0x64, + 0xe1,0x4a,0x6a,0xe6,0xb3,0xf1,0xd3,0xa5,0x8a,0xb2,0x9a,0xba, + 0x84,0xa4,0x63,0xe5,0xc5,0xf3,0xd2,0xc4,0x82,0xaa,0xda,0xe4, + 0xf2,0xca,0x83,0xa3,0xa2,0xc3,0xea,0xc2,0xe2,0xe3,0xff,0xff }, + { 0,2,2,1,4,1,4,1,3,3,1,0,0,0,0,140, + 0x02,0x03,0x01,0x04,0x05,0x12,0x11,0x06, + 0x13,0x07,0x08,0x14,0x22,0x09,0x21,0x00,0x23,0x15,0x31,0x32, + 0x0a,0x16,0xf0,0x24,0x33,0x41,0x42,0x19,0x17,0x25,0x18,0x51, + 0x34,0x43,0x52,0x29,0x35,0x61,0x39,0x71,0x62,0x36,0x53,0x26, + 0x38,0x1a,0x37,0x81,0x27,0x91,0x79,0x55,0x45,0x28,0x72,0x59, + 0xa1,0xb1,0x44,0x69,0x54,0x58,0xd1,0xfa,0x57,0xe1,0xf1,0xb9, + 0x49,0x47,0x63,0x6a,0xf9,0x56,0x46,0xa8,0x2a,0x4a,0x78,0x99, + 0x3a,0x75,0x74,0x86,0x65,0xc1,0x76,0xb6,0x96,0xd6,0x89,0x85, + 0xc9,0xf5,0x95,0xb4,0xc7,0xf7,0x8a,0x97,0xb8,0x73,0xb7,0xd8, + 0xd9,0x87,0xa7,0x7a,0x48,0x82,0x84,0xea,0xf4,0xa6,0xc5,0x5a, + 0x94,0xa4,0xc6,0x92,0xc3,0x68,0xb5,0xc8,0xe4,0xe5,0xe6,0xe9, + 0xa2,0xa3,0xe3,0xc2,0x66,0x67,0x93,0xaa,0xd4,0xd5,0xe7,0xf8, + 0x88,0x9a,0xd7,0x77,0xc4,0x64,0xe2,0x98,0xa5,0xca,0xda,0xe8, + 0xf3,0xf6,0xa9,0xb2,0xb3,0xf2,0xd2,0x83,0xba,0xd3,0xff,0xff }, + { 0,0,6,2,1,3,3,2,5,1,2,2,8,10,0,117, + 0x04,0x05,0x03,0x06,0x02,0x07,0x01,0x08, + 0x09,0x12,0x13,0x14,0x11,0x15,0x0a,0x16,0x17,0xf0,0x00,0x22, + 0x21,0x18,0x23,0x19,0x24,0x32,0x31,0x25,0x33,0x38,0x37,0x34, + 0x35,0x36,0x39,0x79,0x57,0x58,0x59,0x28,0x56,0x78,0x27,0x41, + 0x29,0x77,0x26,0x42,0x76,0x99,0x1a,0x55,0x98,0x97,0xf9,0x48, + 0x54,0x96,0x89,0x47,0xb7,0x49,0xfa,0x75,0x68,0xb6,0x67,0x69, + 0xb9,0xb8,0xd8,0x52,0xd7,0x88,0xb5,0x74,0x51,0x46,0xd9,0xf8, + 0x3a,0xd6,0x87,0x45,0x7a,0x95,0xd5,0xf6,0x86,0xb4,0xa9,0x94, + 0x53,0x2a,0xa8,0x43,0xf5,0xf7,0xd4,0x66,0xa7,0x5a,0x44,0x8a, + 0xc9,0xe8,0xc8,0xe7,0x9a,0x6a,0x73,0x4a,0x61,0xc7,0xf4,0xc6, + 0x65,0xe9,0x72,0xe6,0x71,0x91,0x93,0xa6,0xda,0x92,0x85,0x62, + 0xf3,0xc5,0xb2,0xa4,0x84,0xba,0x64,0xa5,0xb3,0xd2,0x81,0xe5, + 0xd3,0xaa,0xc4,0xca,0xf2,0xb1,0xe4,0xd1,0x83,0x63,0xea,0xc3, + 0xe2,0x82,0xf1,0xa3,0xc2,0xa1,0xc1,0xe3,0xa2,0xe1,0xff,0xff } + }; + if (table > 2) table = 2; + init_decoder(); + make_decoder ( first_tree[table], 0); + second_decode = free_decode; + make_decoder (second_tree[table], 0); +} + +/* + Return 0 if the image starts with compressed data, + 1 if it starts with uncompressed low-order bits. + + In Canon compressed data, 0xff is always followed by 0x00. + */ +int CLASS canon_has_lowbits() +{ + uchar test[0x4000]; + int ret=1, i; + + fseek (ifp, 0, SEEK_SET); + fread (test, 1, sizeof test, ifp); + for (i=540; i < sizeof test - 1; i++) + if (test[i] == 0xff) { + if (test[i+1]) return 1; + ret=0; + } + return ret; +} + +void CLASS canon_compressed_load_raw() +{ + ushort *pixel, *prow; + int nblocks, lowbits, i, row, r, col, save, val; + unsigned irow, icol; + struct decode *decode, *dindex; + int block, diffbuf[64], leaf, len, diff, carry=0, pnum=0, base[2]; + uchar c; + + crw_init_tables (tiff_compress); + pixel = (ushort *) calloc (raw_width*8, sizeof *pixel); + merror (pixel, "canon_compressed_load_raw()"); + lowbits = canon_has_lowbits(); + if (!lowbits) maximum = 0x3ff; + fseek (ifp, 540 + lowbits*raw_height*raw_width/4, SEEK_SET); + zero_after_ff = 1; + getbits(-1); + for (row=0; row < raw_height; row+=8) { + nblocks = MIN (8, raw_height-row) * raw_width >> 6; + for (block=0; block < nblocks; block++) { + memset (diffbuf, 0, sizeof diffbuf); + decode = first_decode; + for (i=0; i < 64; i++ ) { + for (dindex=decode; dindex->branch[0]; ) + dindex = dindex->branch[getbits(1)]; + leaf = dindex->leaf; + decode = second_decode; + if (leaf == 0 && i) break; + if (leaf == 0xff) continue; + i += leaf >> 4; + len = leaf & 15; + if (len == 0) continue; + diff = getbits(len); + if ((diff & (1 << (len-1))) == 0) + diff -= (1 << len) - 1; + if (i < 64) diffbuf[i] = diff; + } + diffbuf[0] += carry; + carry = diffbuf[0]; + for (i=0; i < 64; i++ ) { + if (pnum++ % raw_width == 0) + base[0] = base[1] = 512; + if ((pixel[(block << 6) + i] = base[i & 1] += diffbuf[i]) >> 10) + derror(); + } + } + if (lowbits) { + save = ftell(ifp); + fseek (ifp, 26 + row*raw_width/4, SEEK_SET); + for (prow=pixel, i=0; i < raw_width*2; i++) { + c = fgetc(ifp); + for (r=0; r < 8; r+=2, prow++) { + val = (*prow << 2) + ((c >> r) & 3); + if (raw_width == 2672 && val < 512) val += 2; + *prow = val; + } + } + fseek (ifp, save, SEEK_SET); + } + for (r=0; r < 8; r++) { + irow = row - top_margin + r; + if (irow >= height) continue; + for (col=0; col < raw_width; col++) { + icol = col - left_margin; + if (icol < width) + BAYER(irow,icol) = pixel[r*raw_width+col]; + else + black += pixel[r*raw_width+col]; + } + } + } + free (pixel); + if (raw_width > width) + black /= (raw_width - width) * height; +} + +/* + Not a full implementation of Lossless JPEG, just + enough to decode Canon, Kodak and Adobe DNG images. + */ +struct jhead { + int bits, high, wide, clrs, psv, restart, vpred[4]; + struct decode *huff[4]; + ushort *row; +}; + +int CLASS ljpeg_start (struct jhead *jh, int info_only) +{ + int i, tag, len; + uchar data[0x10000], *dp; + + init_decoder(); + memset (jh, 0, sizeof *jh); + for (i=0; i < 4; i++) + jh->huff[i] = free_decode; + jh->restart = INT_MAX; + fread (data, 2, 1, ifp); + if (data[1] != 0xd8) return 0; + do { + fread (data, 2, 2, ifp); + tag = data[0] << 8 | data[1]; + len = (data[2] << 8 | data[3]) - 2; + if (tag <= 0xff00) return 0; + fread (data, 1, len, ifp); + switch (tag) { + case 0xffc0: data[7] = 0; + case 0xffc3: + jh->bits = data[0]; + jh->high = data[1] << 8 | data[2]; + jh->wide = data[3] << 8 | data[4]; + jh->clrs = data[5] + (data[7] == 0x21); + if (len == 9 && !dng_version) getc(ifp); + break; + case 0xffc4: + if (info_only) break; + for (dp = data; dp < data+len && *dp < 4; ) { + jh->huff[*dp] = free_decode; + dp = make_decoder (++dp, 0); + } + break; + case 0xffda: + jh->psv = data[1+data[0]*2]; + break; + case 0xffdd: + jh->restart = data[0] << 8 | data[1]; + } + } while (tag != 0xffda); + if (info_only) return 1; + if (jh->clrs == 4) { + jh->huff[3] = jh->huff[2] = jh->huff[1]; + jh->huff[1] = jh->huff[0]; + } + jh->row = (ushort *) calloc (jh->wide*jh->clrs, 4); + merror (jh->row, "ljpeg_start()"); + return zero_after_ff = 1; +} + +int CLASS ljpeg_diff (struct decode *dindex) +{ + int len, diff; + + while (dindex->branch[0]) + dindex = dindex->branch[getbits(1)]; + len = dindex->leaf; + if (len == 16 && (!dng_version || dng_version >= 0x1010000)) + return -32768; + diff = getbits(len); + if ((diff & (1 << (len-1))) == 0) + diff -= (1 << len) - 1; + return diff; +} + +ushort * CLASS ljpeg_row (int jrow, struct jhead *jh) +{ + int col, c, diff, pred; + ushort mark=0, *row[3]; + + if (jrow * jh->wide % jh->restart == 0) { + FORC4 jh->vpred[c] = 1 << (jh->bits-1); + if (jrow) + do mark = (mark << 8) + (c = fgetc(ifp)); + while (c != EOF && mark >> 4 != 0xffd); + getbits(-1); + } + FORC3 row[c] = jh->row + jh->wide*jh->clrs*((jrow+c) & 1); + for (col=0; col < jh->wide; col++) + for (c=0; c < jh->clrs; c++) { + diff = ljpeg_diff (jh->huff[c]); + if (jh->clrs == 4 && c < 2 && (col | c)) + pred = row[0][(c << 1)-3]; + else if (col) pred = row[0][-jh->clrs]; + else pred = (jh->vpred[c] += diff) - diff; + if (jrow && col) switch (jh->psv) { + case 1: break; + case 2: pred = row[1][0]; break; + case 3: pred = row[1][-jh->clrs]; break; + case 4: pred = pred + row[1][0] - row[1][-jh->clrs]; break; + case 5: pred = pred + ((row[1][0] - row[1][-jh->clrs]) >> 1); break; + case 6: pred = row[1][0] + ((pred - row[1][-jh->clrs]) >> 1); break; + case 7: pred = (pred + row[1][0]) >> 1; break; + default: pred = 0; + } + if ((**row = pred + diff) >> jh->bits) derror(); + row[0]++; row[1]++; + } + return row[2]; +} + +void CLASS lossless_jpeg_load_raw() +{ + int jwide, jrow, jcol, val, jidx, i, j, row=0, col=0; + struct jhead jh; + int min=INT_MAX; + ushort *rp; + + if (!ljpeg_start (&jh, 0)) return; + jwide = jh.wide * jh.clrs; + + for (jrow=0; jrow < jh.high; jrow++) { + rp = ljpeg_row (jrow, &jh); + for (jcol=0; jcol < jwide; jcol++) { + val = *rp++; + if (jh.bits <= 12) + val = curve[val]; + if (cr2_slice[0]) { + jidx = jrow*jwide + jcol; + i = jidx / (cr2_slice[1]*jh.high); + if ((j = i >= cr2_slice[0])) + i = cr2_slice[0]; + jidx -= i * (cr2_slice[1]*jh.high); + row = jidx / cr2_slice[1+j]; + col = jidx % cr2_slice[1+j] + i*cr2_slice[1]; + } + if (raw_width == 3984 && (col -= 2) < 0) + col += (row--,raw_width); + if ((unsigned) (row-top_margin) < height) { + if ((unsigned) (col-left_margin) < width) { + BAYER(row-top_margin,col-left_margin) = val; + if (min > val) min = val; + } else black += val; + } + if (++col >= raw_width) + col = (row++,0); + } + } + free (jh.row); + if (raw_width > width) + black /= (raw_width - width) * height; + if (!strcasecmp(make,"KODAK")) + black = min; +} + +void CLASS canon_sraw_load_raw() +{ + struct jhead jh; + short *rp=0, *ip; + int jwide, slice, scol, ecol, row, col, jrow=0, jcol=0, pix[3], c; + + if (!ljpeg_start (&jh, 0)) return; + jwide = (jh.wide >>= 1) * 4; + + for (ecol=slice=0; slice <= cr2_slice[0]; slice++) { + scol = ecol; + ecol += cr2_slice[1] >> 1; + if (!cr2_slice[0] || ecol > width-1) ecol = width & -2; + for (row=0; row < height; row++) { + ip = (short *) image[row*width+scol]; + for (col=scol; col < ecol; col+=2, jcol+=4, ip+=8) { + if ((jcol %= jwide) == 0) + rp = (short *) ljpeg_row (jrow++, &jh); + ip[0] = rp[jcol]; + ip[4] = rp[jcol+1]; + ip[1] = (short) (rp[jcol+2] << 2) >> 2; + ip[2] = (short) (rp[jcol+3] << 2) >> 2; + } + } + } + for (row=0; row < height; row++) { + ip = (short *) image[row*width+1]; + for (col=1; col < width-1; col+=2, ip+=8) { + ip[1] = (ip[-3] + ip[5] + 1) >> 1; + ip[2] = (ip[-2] + ip[6] + 1) >> 1; + } + if (col < width) { ip[1] = ip[-3]; ip[2] = ip[-2]; } + ip = (short *) image[row*width]; + for (col=0; col < width; col++, ip+=4) { + pix[0] = ip[2] + ip[0]; + pix[2] = ip[1] + ip[0]; + pix[1] = ((ip[0] << 12) - ip[1]*778 - (ip[2] << 11)) >> 12; + FORC3 ip[c] = CLIP((pix[c] - 512) * sraw_mul[c] >> 10); + } + } + free (jh.row); + maximum = 0x3fff; +} + +void CLASS adobe_copy_pixel (int row, int col, ushort **rp) +{ + unsigned r, c; + + r = row -= top_margin; + c = col -= left_margin; + if (is_raw == 2 && shot_select) (*rp)++; + if (filters) { + if (fuji_width) { + r = row + fuji_width - 1 - (col >> 1); + c = row + ((col+1) >> 1); + } + if (r < height && c < width) + BAYER(r,c) = **rp < 0x1000 ? curve[**rp] : **rp; + *rp += is_raw; + } else { + if (r < height && c < width) + for (c=0; c < tiff_samples; c++) + image[row*width+col][c] = (*rp)[c] < 0x1000 ? curve[(*rp)[c]]:(*rp)[c]; + *rp += tiff_samples; + } + if (is_raw == 2 && shot_select) (*rp)--; +} + +void CLASS adobe_dng_load_raw_lj() +{ + unsigned save, trow=0, tcol=0, jwide, jrow, jcol, row, col; + struct jhead jh; + ushort *rp; + + while (trow < raw_height) { + save = ftell(ifp); + if (tile_length < INT_MAX) + fseek (ifp, get4(), SEEK_SET); + if (!ljpeg_start (&jh, 0)) break; + jwide = jh.wide; + if (filters) jwide *= jh.clrs; + jwide /= is_raw; + for (row=col=jrow=0; jrow < jh.high; jrow++) { + rp = ljpeg_row (jrow, &jh); + for (jcol=0; jcol < jwide; jcol++) { + adobe_copy_pixel (trow+row, tcol+col, &rp); + if (++col >= tile_width || col >= raw_width) + row += 1 + (col = 0); + } + } + fseek (ifp, save+4, SEEK_SET); + if ((tcol += tile_width) >= raw_width) + trow += tile_length + (tcol = 0); + free (jh.row); + } +} + +void CLASS adobe_dng_load_raw_nc() +{ + ushort *pixel, *rp; + int row, col; + + pixel = (ushort *) calloc (raw_width * tiff_samples, sizeof *pixel); + merror (pixel, "adobe_dng_load_raw_nc()"); + for (row=0; row < raw_height; row++) { + if (tiff_bps == 16) + read_shorts (pixel, raw_width * tiff_samples); + else { + getbits(-1); + for (col=0; col < raw_width * tiff_samples; col++) + pixel[col] = getbits(tiff_bps); + } + for (rp=pixel, col=0; col < raw_width; col++) + adobe_copy_pixel (row, col, &rp); + } + free (pixel); +} + +void CLASS pentax_k10_load_raw() +{ + static const uchar pentax_tree[] = + { 0,2,3,1,1,1,1,1,1,2,0,0,0,0,0,0, + 3,4,2,5,1,6,0,7,8,9,10,11,12 }; + int row, col, diff; + ushort vpred[2][2] = {{0,0},{0,0}}, hpred[2]; + + init_decoder(); + make_decoder (pentax_tree, 0); + getbits(-1); + for (row=0; row < height; row++) + for (col=0; col < raw_width; col++) { + diff = ljpeg_diff (first_decode); + if (col < 2) hpred[col] = vpred[row & 1][col] += diff; + else hpred[col & 1] += diff; + if (col < width) + BAYER(row,col) = hpred[col & 1]; + if (hpred[col & 1] >> 12) derror(); + } +} + +void CLASS nikon_compressed_load_raw() +{ + static const uchar nikon_tree[][32] = { + { 0,1,5,1,1,1,1,1,1,2,0,0,0,0,0,0, /* 12-bit lossy */ + 5,4,3,6,2,7,1,0,8,9,11,10,12 }, + { 0,1,5,1,1,1,1,1,1,2,0,0,0,0,0,0, /* 12-bit lossy after split */ + 0x39,0x5a,0x38,0x27,0x16,5,4,3,2,1,0,11,12,12 }, + { 0,1,4,2,3,1,2,0,0,0,0,0,0,0,0,0, /* 12-bit lossless */ + 5,4,6,3,7,2,8,1,9,0,10,11,12 }, + { 0,1,4,3,1,1,1,1,1,2,0,0,0,0,0,0, /* 14-bit lossy */ + 5,6,4,7,8,3,9,2,1,0,10,11,12,13,14 }, + { 0,1,5,1,1,1,1,1,1,1,2,0,0,0,0,0, /* 14-bit lossy after split */ + 8,0x5c,0x4b,0x3a,0x29,7,6,5,4,3,2,1,0,13,14 }, + { 0,1,4,2,2,3,1,2,0,0,0,0,0,0,0,0, /* 14-bit lossless */ + 7,6,8,5,9,4,10,3,11,12,2,0,1,13,14 } }; + struct decode *dindex; + ushort ver0, ver1, vpred[2][2], hpred[2], csize; + int i, max, step=0, huff=0, split=0, row, col, len, shl, diff; + + fseek (ifp, meta_offset, SEEK_SET); + ver0 = fgetc(ifp); + ver1 = fgetc(ifp); + if (ver0 == 0x49 || ver1 == 0x58) + fseek (ifp, 2110, SEEK_CUR); + if (ver0 == 0x46) huff = 2; + if (tiff_bps == 14) huff += 3; + read_shorts (vpred[0], 4); + max = 1 << tiff_bps & 0x7fff; + if ((csize = get2()) > 1) + step = max / (csize-1); + if (ver0 == 0x44 && ver1 == 0x20 && step > 0) { + for (i=0; i < csize; i++) + curve[i*step] = get2(); + for (i=0; i < max; i++) + curve[i] = ( curve[i-i%step]*(step-i%step) + + curve[i-i%step+step]*(i%step) ) / step; + fseek (ifp, meta_offset+562, SEEK_SET); + split = get2(); + } else if (ver0 != 0x46 && csize <= 0x4001) + read_shorts (curve, max=csize); + init_decoder(); + make_decoder (nikon_tree[huff], 0); + fseek (ifp, data_offset, SEEK_SET); + getbits(-1); + for (row=0; row < height; row++) { + if (split && row == split) { + init_decoder(); + make_decoder (nikon_tree[huff+1], 0); + } + for (col=0; col < raw_width; col++) { + for (dindex=first_decode; dindex->branch[0]; ) + dindex = dindex->branch[getbits(1)]; + len = dindex->leaf & 15; + shl = dindex->leaf >> 4; + diff = ((getbits(len-shl) << 1) + 1) << shl >> 1; + if ((diff & (1 << (len-1))) == 0) + diff -= (1 << len) - !shl; + if (col < 2) hpred[col] = vpred[row & 1][col] += diff; + else hpred[col & 1] += diff; + if (hpred[col & 1] >= max) derror(); + if ((unsigned) (col-left_margin) < width) + BAYER(row,col-left_margin) = curve[hpred[col & 1] & 0x3fff]; + } + } +} + +void CLASS nikon_load_raw() +{ + int irow, row, col, i; + + getbits(-1); + for (irow=0; irow < height; irow++) { + row = irow; + if (make[0] == 'O' || model[0] == 'E') { + row = irow * 2 % height + irow / (height/2); + if (row == 1 && data_offset == 0) { + fseek (ifp, 0, SEEK_END); + fseek (ifp, ftell(ifp)/2, SEEK_SET); + getbits(-1); + } + } + for (col=0; col < raw_width; col++) { + i = getbits(12); + if ((unsigned) (col-left_margin) < width) + BAYER(row,col-left_margin) = i; + if (tiff_compress > 32768 && (col % 10) == 9) + if (getbits(8)) derror(); + } + } +} + +/* + Figure out if a NEF file is compressed. These fancy heuristics + are only needed for the D100, thanks to a bug in some cameras + that tags all images as "compressed". + */ +int CLASS nikon_is_compressed() +{ + uchar test[256]; + int i; + + fseek (ifp, data_offset, SEEK_SET); + fread (test, 1, 256, ifp); + for (i=15; i < 256; i+=16) + if (test[i]) return 1; + return 0; +} + +/* + Returns 1 for a Coolpix 995, 0 for anything else. + */ +int CLASS nikon_e995() +{ + int i, histo[256]; + const uchar often[] = { 0x00, 0x55, 0xaa, 0xff }; + + memset (histo, 0, sizeof histo); + fseek (ifp, -2000, SEEK_END); + for (i=0; i < 2000; i++) + histo[fgetc(ifp)]++; + for (i=0; i < 4; i++) + if (histo[often[i]] < 200) + return 0; + return 1; +} + +/* + Returns 1 for a Coolpix 2100, 0 for anything else. + */ +int CLASS nikon_e2100() +{ + uchar t[12]; + int i; + + fseek (ifp, 0, SEEK_SET); + for (i=0; i < 1024; i++) { + fread (t, 1, 12, ifp); + if (((t[2] & t[4] & t[7] & t[9]) >> 4 + & t[1] & t[6] & t[8] & t[11] & 3) != 3) + return 0; + } + return 1; +} + +void CLASS nikon_3700() +{ + int bits, i; + uchar dp[24]; + static const struct { + int bits; + char make[12], model[15]; + } table[] = { + { 0x00, "PENTAX", "Optio 33WR" }, + { 0x03, "NIKON", "E3200" }, + { 0x32, "NIKON", "E3700" }, + { 0x33, "OLYMPUS", "C740UZ" } }; + + fseek (ifp, 3072, SEEK_SET); + fread (dp, 1, 24, ifp); + bits = (dp[8] & 3) << 4 | (dp[20] & 3); + for (i=0; i < sizeof table / sizeof *table; i++) + if (bits == table[i].bits) { + strcpy (make, table[i].make ); + strcpy (model, table[i].model); + } +} + +/* + Separates a Minolta DiMAGE Z2 from a Nikon E4300. + */ +int CLASS minolta_z2() +{ + int i; + char tail[424]; + + fseek (ifp, -sizeof tail, SEEK_END); + fread (tail, 1, sizeof tail, ifp); + for (i=0; i < sizeof tail; i++) + if (tail[i]) return 1; + return 0; +} + +/* Here raw_width is in bytes, not pixels. */ +void CLASS nikon_e900_load_raw() +{ + int offset=0, irow, row, col; + + for (irow=0; irow < height; irow++) { + row = irow * 2 % height; + if (row == 1) + offset = - (-offset & -4096); + fseek (ifp, offset, SEEK_SET); + offset += raw_width; + getbits(-1); + for (col=0; col < width; col++) + BAYER(row,col) = getbits(10); + } +} + +void CLASS nikon_e2100_load_raw() +{ + uchar data[4608], *dp; + ushort pixel[3072], *pix; + int row, col; + + for (row=0; row <= height; row+=2) { + if (row == height) { + fseek (ifp, 0, SEEK_END); + fseek (ifp, ftell(ifp)/2, SEEK_SET); + row = 1; + } + fread (data, 1, width*3/2, ifp); + for (dp=data, pix=pixel; pix < pixel+width; dp+=12, pix+=8) { + pix[0] = (dp[2] >> 4) + (dp[ 3] << 4); + pix[1] = (dp[2] << 8) + dp[ 1]; + pix[2] = (dp[7] >> 4) + (dp[ 0] << 4); + pix[3] = (dp[7] << 8) + dp[ 6]; + pix[4] = (dp[4] >> 4) + (dp[ 5] << 4); + pix[5] = (dp[4] << 8) + dp[11]; + pix[6] = (dp[9] >> 4) + (dp[10] << 4); + pix[7] = (dp[9] << 8) + dp[ 8]; + } + for (col=0; col < width; col++) + BAYER(row,col) = (pixel[col] & 0xfff); + } +} + +/* + The Fuji Super CCD is just a Bayer grid rotated 45 degrees. + */ +void CLASS fuji_load_raw() +{ + ushort *pixel; + int wide, row, col, r, c; + + fseek (ifp, (top_margin*raw_width + left_margin) * 2, SEEK_CUR); + wide = fuji_width << !fuji_layout; + pixel = (ushort *) calloc (wide, sizeof *pixel); + merror (pixel, "fuji_load_raw()"); + for (row=0; row < raw_height; row++) { + read_shorts (pixel, wide); + fseek (ifp, 2*(raw_width - wide), SEEK_CUR); + for (col=0; col < wide; col++) { + if (fuji_layout) { + r = fuji_width - 1 - col + (row >> 1); + c = col + ((row+1) >> 1); + } else { + r = fuji_width - 1 + row - (col >> 1); + c = row + ((col+1) >> 1); + } + BAYER(r,c) = pixel[col]; + } + } + free (pixel); +} + +void CLASS jpeg_thumb (FILE *tfp); + +void CLASS ppm_thumb (FILE *tfp) +{ + char *thumb; + thumb_length = thumb_width*thumb_height*3; + thumb = (char *) malloc (thumb_length); + merror (thumb, "ppm_thumb()"); + fprintf (tfp, "P6\n%d %d\n255\n", thumb_width, thumb_height); + fread (thumb, 1, thumb_length, ifp); + fwrite (thumb, 1, thumb_length, tfp); + free (thumb); +} + +void CLASS layer_thumb (FILE *tfp) +{ + int i, c; + char *thumb, map[][4] = { "012","102" }; + + colors = thumb_misc >> 5 & 7; + thumb_length = thumb_width*thumb_height; + thumb = (char *) calloc (colors, thumb_length); + merror (thumb, "layer_thumb()"); + fprintf (tfp, "P%d\n%d %d\n255\n", + 5 + (colors >> 1), thumb_width, thumb_height); + fread (thumb, thumb_length, colors, ifp); + for (i=0; i < thumb_length; i++) + FORCC putc (thumb[i+thumb_length*(map[thumb_misc >> 8][c]-'0')], tfp); + free (thumb); +} + +void CLASS rollei_thumb (FILE *tfp) +{ + unsigned i; + ushort *thumb; + + thumb_length = thumb_width * thumb_height; + thumb = (ushort *) calloc (thumb_length, 2); + merror (thumb, "rollei_thumb()"); + fprintf (tfp, "P6\n%d %d\n255\n", thumb_width, thumb_height); + read_shorts (thumb, thumb_length); + for (i=0; i < thumb_length; i++) { + putc (thumb[i] << 3, tfp); + putc (thumb[i] >> 5 << 2, tfp); + putc (thumb[i] >> 11 << 3, tfp); + } + free (thumb); +} + +void CLASS rollei_load_raw() +{ + uchar pixel[10]; + unsigned iten=0, isix, i, buffer=0, row, col, todo[16]; + + isix = raw_width * raw_height * 5 / 8; + while (fread (pixel, 1, 10, ifp) == 10) { + for (i=0; i < 10; i+=2) { + todo[i] = iten++; + todo[i+1] = pixel[i] << 8 | pixel[i+1]; + buffer = pixel[i] >> 2 | buffer << 6; + } + for ( ; i < 16; i+=2) { + todo[i] = isix++; + todo[i+1] = buffer >> (14-i)*5; + } + for (i=0; i < 16; i+=2) { + row = todo[i] / raw_width - top_margin; + col = todo[i] % raw_width - left_margin; + if (row < height && col < width) + BAYER(row,col) = (todo[i+1] & 0x3ff); + } + } + maximum = 0x3ff; +} + +int CLASS bayer (unsigned row, unsigned col) +{ + return (row < height && col < width) ? BAYER(row,col) : 0; +} + +void CLASS phase_one_flat_field (int is_float, int nc) +{ + ushort head[8]; + unsigned wide, y, x, c, rend, cend, row, col; + float *mrow, num, mult[4]; + + read_shorts (head, 8); + wide = head[2] / head[4]; + mrow = (float *) calloc (nc*wide, sizeof *mrow); + merror (mrow, "phase_one_flat_field()"); + for (y=0; y < head[3] / head[5]; y++) { + for (x=0; x < wide; x++) + for (c=0; c < nc; c+=2) { + num = is_float ? getreal(11) : get2()/32768.0; + if (y==0) mrow[c*wide+x] = num; + else mrow[(c+1)*wide+x] = (num - mrow[c*wide+x]) / head[5]; + } + if (y==0) continue; + rend = head[1]-top_margin + y*head[5]; + for (row = rend-head[5]; row < height && row < rend; row++) { + for (x=1; x < wide; x++) { + for (c=0; c < nc; c+=2) { + mult[c] = mrow[c*wide+x-1]; + mult[c+1] = (mrow[c*wide+x] - mult[c]) / head[4]; + } + cend = head[0]-left_margin + x*head[4]; + for (col = cend-head[4]; col < width && col < cend; col++) { + c = nc > 2 ? FC(row,col) : 0; + if (!(c & 1)) { + c = BAYER(row,col) * mult[c]; + BAYER(row,col) = LIM(c,0,65535); + } + for (c=0; c < nc; c+=2) + mult[c] += mult[c+1]; + } + } + for (x=0; x < wide; x++) + for (c=0; c < nc; c+=2) + mrow[c*wide+x] += mrow[(c+1)*wide+x]; + } + } + free (mrow); +} + +void CLASS phase_one_correct() +{ + unsigned entries, tag, data, save, col, row, type; + int len, i, j, k, cip, val[4], dev[4], sum, max; + int head[9], diff, mindiff=INT_MAX, off_412=0; + static const signed char dir[12][2] = + { {-1,-1}, {-1,1}, {1,-1}, {1,1}, {-2,0}, {0,-2}, {0,2}, {2,0}, + {-2,-2}, {-2,2}, {2,-2}, {2,2} }; + float poly[8], num, cfrac, frac, mult[2], *yval[2]; + ushort curve[0x10000], *xval[2]; + + if (half_size || !meta_length) return; + if (verbose) fprintf (stderr,_("Phase One correction...\n")); + fseek (ifp, meta_offset, SEEK_SET); + order = get2(); + fseek (ifp, 6, SEEK_CUR); + fseek (ifp, meta_offset+get4(), SEEK_SET); + entries = get4(); get4(); + while (entries--) { + tag = get4(); + len = get4(); + data = get4(); + save = ftell(ifp); + fseek (ifp, meta_offset+data, SEEK_SET); + if (tag == 0x419) { /* Polynomial curve */ + for (get4(), i=0; i < 8; i++) + poly[i] = getreal(11); + poly[3] += (ph1.tag_210 - poly[7]) * poly[6] + 1; + for (i=0; i < 0x10000; i++) { + num = (poly[5]*i + poly[3])*i + poly[1]; + curve[i] = LIM(num,0,65535); + } goto apply; /* apply to right half */ + } else if (tag == 0x41a) { /* Polynomial curve */ + for (i=0; i < 4; i++) + poly[i] = getreal(11); + for (i=0; i < 0x10000; i++) { + for (num=0, j=4; j--; ) + num = num * i + poly[j]; + curve[i] = LIM(num+i,0,65535); + } apply: /* apply to whole image */ + for (row=0; row < height; row++) + for (col = (tag & 1)*ph1.split_col; col < width; col++) + BAYER(row,col) = curve[BAYER(row,col)]; + } else if (tag == 0x400) { /* Sensor defects */ + while ((len -= 8) >= 0) { + col = get2() - left_margin; + row = get2() - top_margin; + type = get2(); get2(); + if (col >= width) continue; + if (type == 131) /* Bad column */ + for (row=0; row < height; row++) + if (FC(row,col) == 1) { + for (sum=i=0; i < 4; i++) + sum += val[i] = bayer (row+dir[i][0], col+dir[i][1]); + for (max=i=0; i < 4; i++) { + dev[i] = abs((val[i] << 2) - sum); + if (dev[max] < dev[i]) max = i; + } + BAYER(row,col) = (sum - val[max])/3.0 + 0.5; + } else { + for (sum=0, i=8; i < 12; i++) + sum += bayer (row+dir[i][0], col+dir[i][1]); + BAYER(row,col) = 0.5 + sum * 0.0732233 + + (bayer(row,col-2) + bayer(row,col+2)) * 0.3535534; + } + else if (type == 129) { /* Bad pixel */ + if (row >= height) continue; + j = (FC(row,col) != 1) * 4; + for (sum=0, i=j; i < j+8; i++) + sum += bayer (row+dir[i][0], col+dir[i][1]); + BAYER(row,col) = (sum + 4) >> 3; + } + } + } else if (tag == 0x401) { /* All-color flat fields */ + phase_one_flat_field (1, 2); + } else if (tag == 0x416 || tag == 0x410) { + phase_one_flat_field (0, 2); + } else if (tag == 0x40b) { /* Red+blue flat field */ + phase_one_flat_field (0, 4); + } else if (tag == 0x412) { + fseek (ifp, 36, SEEK_CUR); + diff = abs (get2() - ph1.tag_21a); + if (mindiff > diff) { + mindiff = diff; + off_412 = ftell(ifp) - 38; + } + } + fseek (ifp, save, SEEK_SET); + } + if (off_412) { + fseek (ifp, off_412, SEEK_SET); + for (i=0; i < 9; i++) head[i] = get4() & 0x7fff; + yval[0] = (float *) calloc (head[1]*head[3] + head[2]*head[4], 6); + merror (yval[0], "phase_one_correct()"); + yval[1] = (float *) (yval[0] + head[1]*head[3]); + xval[0] = (ushort *) (yval[1] + head[2]*head[4]); + xval[1] = (ushort *) (xval[0] + head[1]*head[3]); + get2(); + for (i=0; i < 2; i++) + for (j=0; j < head[i+1]*head[i+3]; j++) + yval[i][j] = getreal(11); + for (i=0; i < 2; i++) + for (j=0; j < head[i+1]*head[i+3]; j++) + xval[i][j] = get2(); + for (row=0; row < height; row++) + for (col=0; col < width; col++) { + cfrac = (float) col * head[3] / raw_width; + cfrac -= cip = cfrac; + num = BAYER(row,col) * 0.5; + for (i=cip; i < cip+2; i++) { + for (k=j=0; j < head[1]; j++) + if (num < xval[0][k = head[1]*i+j]) break; + frac = (j == 0 || j == head[1]) ? 0 : + (xval[0][k] - num) / (xval[0][k] - xval[0][k-1]); + mult[i-cip] = yval[0][k-1] * frac + yval[0][k] * (1-frac); + } + i = ((mult[0] * (1-cfrac) + mult[1] * cfrac) + * (row + top_margin) + num) * 2; + BAYER(row,col) = LIM(i,0,65535); + } + free (yval[0]); + } +} + +void CLASS phase_one_load_raw() +{ + int row, col, a, b; + ushort *pixel, akey, bkey, mask; + + fseek (ifp, ph1.key_off, SEEK_SET); + akey = get2(); + bkey = get2(); + mask = ph1.format == 1 ? 0x5555:0x1354; + fseek (ifp, data_offset + top_margin*raw_width*2, SEEK_SET); + pixel = (ushort *) calloc (raw_width, sizeof *pixel); + merror (pixel, "phase_one_load_raw()"); + for (row=0; row < height; row++) { + read_shorts (pixel, raw_width); + for (col=0; col < raw_width; col+=2) { + a = pixel[col+0] ^ akey; + b = pixel[col+1] ^ bkey; + pixel[col+0] = (a & mask) | (b & ~mask); + pixel[col+1] = (b & mask) | (a & ~mask); + } + for (col=0; col < width; col++) + BAYER(row,col) = pixel[col+left_margin]; + } + free (pixel); + phase_one_correct(); +} + +unsigned CLASS ph1_bits (int nbits) +{ + static UINT64 bitbuf=0; + static int vbits=0; + + if (nbits == -1) + return bitbuf = vbits = 0; + if (nbits == 0) return 0; + if (vbits < nbits) { + bitbuf = bitbuf << 32 | get4(); + vbits += 32; + } + vbits -= nbits; + return bitbuf << (64-nbits-vbits) >> (64-nbits); +} + +void CLASS phase_one_load_raw_c() +{ + static const int length[] = { 8,7,6,9,11,10,5,12,14,13 }; + int *offset, len[2], pred[2], row, col, i, j; + ushort *pixel; + short (*black)[2]; + + pixel = (ushort *) calloc (raw_width + raw_height*4, 2); + merror (pixel, "phase_one_load_raw_c()"); + offset = (int *) (pixel + raw_width); + fseek (ifp, strip_offset, SEEK_SET); + for (row=0; row < raw_height; row++) + offset[row] = get4(); + black = (short (*)[2]) offset + raw_height; + fseek (ifp, ph1.black_off, SEEK_SET); + if (ph1.black_off) + read_shorts ((ushort *) black[0], raw_height*2); + for (i=0; i < 256; i++) + curve[i] = i*i / 3.969 + 0.5; + for (row=0; row < raw_height; row++) { + fseek (ifp, data_offset + offset[row], SEEK_SET); + ph1_bits(-1); + pred[0] = pred[1] = 0; + for (col=0; col < raw_width; col++) { + if (col >= (raw_width & -8)) + len[0] = len[1] = 14; + else if ((col & 7) == 0) + for (i=0; i < 2; i++) { + for (j=0; j < 5 && !ph1_bits(1); j++); + if (j--) len[i] = length[j*2 + ph1_bits(1)]; + } + if ((i = len[col & 1]) == 14) + pixel[col] = pred[col & 1] = ph1_bits(16); + else + pixel[col] = pred[col & 1] += ph1_bits(i) + 1 - (1 << (i - 1)); + if (pred[col & 1] >> 16) derror(); + if (ph1.format == 5 && pixel[col] < 256) + pixel[col] = curve[pixel[col]]; + } + if ((unsigned) (row-top_margin) < height) + for (col=0; col < width; col++) { + i = (pixel[col+left_margin] << 2) + - ph1.black + black[row][col >= ph1.split_col]; + if (i > 0) BAYER(row-top_margin,col) = i; + } + } + free (pixel); + phase_one_correct(); + maximum = 0xfffc - ph1.black; +} + +void CLASS hasselblad_load_raw() +{ + struct jhead jh; + struct decode *dindex; + int row, col, pred[2], len[2], diff, i; + + if (!ljpeg_start (&jh, 0)) return; + free (jh.row); + ph1_bits(-1); + for (row=0; row < height; row++) { + pred[0] = pred[1] = 0x8000; + for (col=0; col < width; col+=2) { + for (i=0; i < 2; i++) { + for (dindex=jh.huff[0]; dindex->branch[0]; ) + dindex = dindex->branch[ph1_bits(1)]; + len[i] = dindex->leaf; + } + for (i=0; i < 2; i++) { + diff = ph1_bits(len[i]); + if ((diff & (1 << (len[i]-1))) == 0) + diff -= (1 << len[i]) - 1; + BAYER(row,col+i) = pred[i] += diff; + } + } + } + maximum = 0xffff; +} + +void CLASS leaf_hdr_load_raw() +{ + ushort *pixel; + unsigned tile=0, r, c, row, col; + + pixel = (ushort *) calloc (raw_width, sizeof *pixel); + merror (pixel, "leaf_hdr_load_raw()"); + for (c=0; c < tiff_samples; c++) { + for (r=0; r < raw_height; r++) { + if (r % tile_length == 0) { + fseek (ifp, data_offset + 4*tile++, SEEK_SET); + fseek (ifp, get4() + 2*left_margin, SEEK_SET); + } + if (filters && c != shot_select) continue; + read_shorts (pixel, raw_width); + if ((row = r - top_margin) >= height) continue; + for (col=0; col < width; col++) + if (filters) BAYER(row,col) = pixel[col]; + else image[row*width+col][c] = pixel[col]; + } + } + free (pixel); + if (!filters) { + maximum = 0xffff; + raw_color = 1; + } +} + +void CLASS unpacked_load_raw(); + +void CLASS sinar_4shot_load_raw() +{ + ushort *pixel; + unsigned shot, row, col, r, c; + + if ((shot = shot_select) || half_size) { + if (shot) shot--; + if (shot > 3) shot = 3; + fseek (ifp, data_offset + shot*4, SEEK_SET); + fseek (ifp, get4(), SEEK_SET); + unpacked_load_raw(); + return; + } + free (image); + image = (ushort (*)[4]) + calloc ((iheight=height)*(iwidth=width), sizeof *image); + merror (image, "sinar_4shot_load_raw()"); + pixel = (ushort *) calloc (raw_width, sizeof *pixel); + merror (pixel, "sinar_4shot_load_raw()"); + for (shot=0; shot < 4; shot++) { + fseek (ifp, data_offset + shot*4, SEEK_SET); + fseek (ifp, get4(), SEEK_SET); + for (row=0; row < raw_height; row++) { + read_shorts (pixel, raw_width); + if ((r = row-top_margin - (shot >> 1 & 1)) >= height) continue; + for (col=0; col < raw_width; col++) { + if ((c = col-left_margin - (shot & 1)) >= width) continue; + image[r*width+c][FC(row,col)] = pixel[col]; + } + } + } + free (pixel); + shrink = filters = 0; +} + +void CLASS imacon_full_load_raw() +{ + int row, col; + + for (row=0; row < height; row++) + for (col=0; col < width; col++) + read_shorts (image[row*width+col], 3); +} + +void CLASS packed_12_load_raw() +{ + int row, col; + + if (raw_width * 2 < width * 3) + raw_width = raw_width * 3 / 2; /* Convert raw_width to bytes */ + getbits(-1); + for (row=0; row < height; row++) { + for (col=0; col < left_margin; col++) + getbits(12); + for (col=0; col < width; col++) + BAYER(row,col) = getbits(12); + for (col = (width+left_margin)*3/2; col < raw_width; col++) + if (getbits(8) && raw_width-col < 35 && width != 3896) derror(); + } +} + +void CLASS unpacked_load_raw() +{ + ushort *pixel; + int row, col, bits=0; + + while (1 << ++bits < maximum); + fseek (ifp, (top_margin*raw_width + left_margin) * 2, SEEK_CUR); + pixel = (ushort *) calloc (width, sizeof *pixel); + merror (pixel, "unpacked_load_raw()"); + for (row=0; row < height; row++) { + read_shorts (pixel, width); + fseek (ifp, 2*(raw_width - width), SEEK_CUR); + for (col=0; col < width; col++) + if ((BAYER2(row,col) = pixel[col]) >> bits) derror(); + } + free (pixel); +} + +void CLASS olympus_e300_load_raw() +{ + uchar *data, *dp; + ushort *pixel, *pix; + int dwide, row, col; + + dwide = raw_width * 16 / 10; + fseek (ifp, dwide*top_margin, SEEK_CUR); + data = (uchar *) malloc (dwide + raw_width*2); + merror (data, "olympus_e300_load_raw()"); + pixel = (ushort *) (data + dwide); + for (row=0; row < height; row++) { + if (fread (data, 1, dwide, ifp) < dwide) derror(); + for (dp=data, pix=pixel; pix < pixel+raw_width; dp+=3, pix+=2) { + if (((dp-data) & 15) == 15) + if (*dp++ && pix < pixel+width+left_margin) derror(); + pix[0] = dp[1] << 8 | dp[0]; + pix[1] = dp[2] << 4 | dp[1] >> 4; + } + for (col=0; col < width; col++) + BAYER(row,col) = (pixel[col+left_margin] & 0xfff); + } + free (data); + maximum >>= 4; + black >>= 4; +} + +void CLASS olympus_e410_load_raw() +{ + int row, col, nbits, sign, low, high, i, w, n, nw; + int acarry[2][3], *carry, pred, diff; + + fseek (ifp, 7, SEEK_CUR); + getbits(-1); + for (row=0; row < height; row++) { + memset (acarry, 0, sizeof acarry); + for (col=0; col < width; col++) { + carry = acarry[col & 1]; + i = 2 * (carry[2] < 3); + for (nbits=2+i; (ushort) carry[0] >> (nbits+i); nbits++); + sign = getbits(1) * -1; + low = getbits(2); + for (high=0; high < 12; high++) + if (getbits(1)) break; + if (high == 12) + high = getbits(16-nbits) >> 1; + carry[0] = (high << nbits) | getbits(nbits); + diff = (carry[0] ^ sign) + carry[1]; + carry[1] = (diff*3 + carry[1]) >> 5; + carry[2] = carry[0] > 16 ? 0 : carry[2]+1; + if (row < 2 && col < 2) pred = 0; + else if (row < 2) pred = BAYER(row,col-2); + else if (col < 2) pred = BAYER(row-2,col); + else { + w = BAYER(row,col-2); + n = BAYER(row-2,col); + nw = BAYER(row-2,col-2); + if ((w < nw && nw < n) || (n < nw && nw < w)) { + if (ABS(w-nw) > 32 || ABS(n-nw) > 32) + pred = w + n - nw; + else pred = (w + n) >> 1; + } else pred = ABS(w-nw) > ABS(n-nw) ? w : n; + } + if ((BAYER(row,col) = pred + ((diff << 2) | low)) >> 12) derror(); + } + } +} + +void CLASS olympus_cseries_load_raw() +{ + int irow, row, col; + + for (irow=0; irow < height; irow++) { + row = irow * 2 % height + irow / (height/2); + if (row < 2) { + fseek (ifp, data_offset - row*(-width*height*3/4 & -2048), SEEK_SET); + getbits(-1); + } + for (col=0; col < width; col++) + BAYER(row,col) = getbits(12); + } + black >>= 4; +} + +void CLASS minolta_rd175_load_raw() +{ + uchar pixel[768]; + unsigned irow, box, row, col; + + for (irow=0; irow < 1481; irow++) { + if (fread (pixel, 1, 768, ifp) < 768) derror(); + box = irow / 82; + row = irow % 82 * 12 + ((box < 12) ? box | 1 : (box-12)*2); + switch (irow) { + case 1477: case 1479: continue; + case 1476: row = 984; break; + case 1480: row = 985; break; + case 1478: row = 985; box = 1; + } + if ((box < 12) && (box & 1)) { + for (col=0; col < 1533; col++, row ^= 1) + if (col != 1) BAYER(row,col) = (col+1) & 2 ? + pixel[col/2-1] + pixel[col/2+1] : pixel[col/2] << 1; + BAYER(row,1) = pixel[1] << 1; + BAYER(row,1533) = pixel[765] << 1; + } else + for (col=row & 1; col < 1534; col+=2) + BAYER(row,col) = pixel[col/2] << 1; + } + maximum = 0xff << 1; +} + +void CLASS casio_qv5700_load_raw() +{ + uchar data[3232], *dp; + ushort pixel[2576], *pix; + int row, col; + + for (row=0; row < height; row++) { + fread (data, 1, 3232, ifp); + for (dp=data, pix=pixel; dp < data+3220; dp+=5, pix+=4) { + pix[0] = (dp[0] << 2) + (dp[1] >> 6); + pix[1] = (dp[1] << 4) + (dp[2] >> 4); + pix[2] = (dp[2] << 6) + (dp[3] >> 2); + pix[3] = (dp[3] << 8) + (dp[4] ); + } + for (col=0; col < width; col++) + BAYER(row,col) = (pixel[col] & 0x3ff); + } + maximum = 0x3fc; +} + +void CLASS quicktake_100_load_raw() +{ + uchar pixel[484][644]; + static const short gstep[16] = + { -89,-60,-44,-32,-22,-15,-8,-2,2,8,15,22,32,44,60,89 }; + static const short rstep[6][4] = + { { -3,-1,1,3 }, { -5,-1,1,5 }, { -8,-2,2,8 }, + { -13,-3,3,13 }, { -19,-4,4,19 }, { -28,-6,6,28 } }; + static const short curve[256] = + { 0,1,2,3,4,5,6,7,8,9,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27, + 28,29,30,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,53, + 54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,74,75,76,77,78, + 79,80,81,82,83,84,86,88,90,92,94,97,99,101,103,105,107,110,112,114,116, + 118,120,123,125,127,129,131,134,136,138,140,142,144,147,149,151,153,155, + 158,160,162,164,166,168,171,173,175,177,179,181,184,186,188,190,192,195, + 197,199,201,203,205,208,210,212,214,216,218,221,223,226,230,235,239,244, + 248,252,257,261,265,270,274,278,283,287,291,296,300,305,309,313,318,322, + 326,331,335,339,344,348,352,357,361,365,370,374,379,383,387,392,396,400, + 405,409,413,418,422,426,431,435,440,444,448,453,457,461,466,470,474,479, + 483,487,492,496,500,508,519,531,542,553,564,575,587,598,609,620,631,643, + 654,665,676,687,698,710,721,732,743,754,766,777,788,799,810,822,833,844, + 855,866,878,889,900,911,922,933,945,956,967,978,989,1001,1012,1023 }; + int rb, row, col, sharp, val=0; + + getbits(-1); + memset (pixel, 0x80, sizeof pixel); + for (row=2; row < height+2; row++) { + for (col=2+(row & 1); col < width+2; col+=2) { + val = ((pixel[row-1][col-1] + 2*pixel[row-1][col+1] + + pixel[row][col-2]) >> 2) + gstep[getbits(4)]; + pixel[row][col] = val = LIM(val,0,255); + if (col < 4) + pixel[row][col-2] = pixel[row+1][~row & 1] = val; + if (row == 2) + pixel[row-1][col+1] = pixel[row-1][col+3] = val; + } + pixel[row][col] = val; + } + for (rb=0; rb < 2; rb++) + for (row=2+rb; row < height+2; row+=2) + for (col=3-(row & 1); col < width+2; col+=2) { + if (row < 4 || col < 4) sharp = 2; + else { + val = ABS(pixel[row-2][col] - pixel[row][col-2]) + + ABS(pixel[row-2][col] - pixel[row-2][col-2]) + + ABS(pixel[row][col-2] - pixel[row-2][col-2]); + sharp = val < 4 ? 0 : val < 8 ? 1 : val < 16 ? 2 : + val < 32 ? 3 : val < 48 ? 4 : 5; + } + val = ((pixel[row-2][col] + pixel[row][col-2]) >> 1) + + rstep[sharp][getbits(2)]; + pixel[row][col] = val = LIM(val,0,255); + if (row < 4) pixel[row-2][col+2] = val; + if (col < 4) pixel[row+2][col-2] = val; + } + for (row=2; row < height+2; row++) + for (col=3-(row & 1); col < width+2; col+=2) { + val = ((pixel[row][col-1] + (pixel[row][col] << 2) + + pixel[row][col+1]) >> 1) - 0x100; + pixel[row][col] = LIM(val,0,255); + } + for (row=0; row < height; row++) + for (col=0; col < width; col++) + BAYER(row,col) = curve[pixel[row+2][col+2]]; + maximum = 0x3ff; +} + +const int * CLASS make_decoder_int (const int *source, int level) +{ + struct decode *cur; + + cur = free_decode++; + if (level < source[0]) { + cur->branch[0] = free_decode; + source = make_decoder_int (source, level+1); + cur->branch[1] = free_decode; + source = make_decoder_int (source, level+1); + } else { + cur->leaf = source[1]; + source += 2; + } + return source; +} + +int CLASS radc_token (int tree) +{ + int t; + static struct decode *dstart[18], *dindex; + static const int *s, source[] = { + 1,1, 2,3, 3,4, 4,2, 5,7, 6,5, 7,6, 7,8, + 1,0, 2,1, 3,3, 4,4, 5,2, 6,7, 7,6, 8,5, 8,8, + 2,1, 2,3, 3,0, 3,2, 3,4, 4,6, 5,5, 6,7, 6,8, + 2,0, 2,1, 2,3, 3,2, 4,4, 5,6, 6,7, 7,5, 7,8, + 2,1, 2,4, 3,0, 3,2, 3,3, 4,7, 5,5, 6,6, 6,8, + 2,3, 3,1, 3,2, 3,4, 3,5, 3,6, 4,7, 5,0, 5,8, + 2,3, 2,6, 3,0, 3,1, 4,4, 4,5, 4,7, 5,2, 5,8, + 2,4, 2,7, 3,3, 3,6, 4,1, 4,2, 4,5, 5,0, 5,8, + 2,6, 3,1, 3,3, 3,5, 3,7, 3,8, 4,0, 5,2, 5,4, + 2,0, 2,1, 3,2, 3,3, 4,4, 4,5, 5,6, 5,7, 4,8, + 1,0, 2,2, 2,-2, + 1,-3, 1,3, + 2,-17, 2,-5, 2,5, 2,17, + 2,-7, 2,2, 2,9, 2,18, + 2,-18, 2,-9, 2,-2, 2,7, + 2,-28, 2,28, 3,-49, 3,-9, 3,9, 4,49, 5,-79, 5,79, + 2,-1, 2,13, 2,26, 3,39, 4,-16, 5,55, 6,-37, 6,76, + 2,-26, 2,-13, 2,1, 3,-39, 4,16, 5,-55, 6,-76, 6,37 + }; + + if (free_decode == first_decode) + for (s=source, t=0; t < 18; t++) { + dstart[t] = free_decode; + s = make_decoder_int (s, 0); + } + if (tree == 18) { + if (kodak_cbpp == 243) + return (getbits(6) << 2) + 2; /* most DC50 photos */ + else + return (getbits(5) << 3) + 4; /* DC40, Fotoman Pixtura */ + } + for (dindex = dstart[tree]; dindex->branch[0]; ) + dindex = dindex->branch[getbits(1)]; + return dindex->leaf; +} + +#define FORYX for (y=1; y < 3; y++) for (x=col+1; x >= col; x--) + +#define PREDICTOR (c ? (buf[c][y-1][x] + buf[c][y][x+1]) / 2 \ +: (buf[c][y-1][x+1] + 2*buf[c][y-1][x] + buf[c][y][x+1]) / 4) + +void CLASS kodak_radc_load_raw() +{ + int row, col, tree, nreps, rep, step, i, c, s, r, x, y, val; + short last[3] = { 16,16,16 }, mul[3], buf[3][3][386]; + + init_decoder(); + getbits(-1); + for (i=0; i < sizeof(buf)/sizeof(short); i++) + buf[0][0][i] = 2048; + for (row=0; row < height; row+=4) { + FORC3 mul[c] = getbits(6); + FORC3 { + val = ((0x1000000/last[c] + 0x7ff) >> 12) * mul[c]; + s = val > 65564 ? 10:12; + x = ~(-1 << (s-1)); + val <<= 12-s; + for (i=0; i < sizeof(buf[0])/sizeof(short); i++) + buf[c][0][i] = (buf[c][0][i] * val + x) >> s; + last[c] = mul[c]; + for (r=0; r <= !c; r++) { + buf[c][1][width/2] = buf[c][2][width/2] = mul[c] << 7; + for (tree=1, col=width/2; col > 0; ) { + if ((tree = radc_token(tree))) { + col -= 2; + if (tree == 8) + FORYX buf[c][y][x] = radc_token(tree+10) * mul[c]; + else + FORYX buf[c][y][x] = radc_token(tree+10) * 16 + PREDICTOR; + } else + do { + nreps = (col > 2) ? radc_token(9) + 1 : 1; + for (rep=0; rep < 8 && rep < nreps && col > 0; rep++) { + col -= 2; + FORYX buf[c][y][x] = PREDICTOR; + if (rep & 1) { + step = radc_token(10) << 4; + FORYX buf[c][y][x] += step; + } + } + } while (nreps == 9); + } + for (y=0; y < 2; y++) + for (x=0; x < width/2; x++) { + val = (buf[c][y+1][x] << 4) / mul[c]; + if (val < 0) val = 0; + if (c) BAYER(row+y*2+c-1,x*2+2-c) = val; + else BAYER(row+r*2+y,x*2+y) = val; + } + memcpy (buf[c][0]+!c, buf[c][2], sizeof buf[c][0]-2*!c); + } + } + for (y=row; y < row+4; y++) + for (x=0; x < width; x++) + if ((x+y) & 1) { + r = x ? x-1 : x+1; + s = x+1 < width ? x+1 : x-1; + val = (BAYER(y,x)-2048)*2 + (BAYER(y,r)+BAYER(y,s))/2; + if (val < 0) val = 0; + BAYER(y,x) = val; + } + } + maximum = 0xfff; + use_gamma = 0; +} + +#undef FORYX +#undef PREDICTOR + +#ifdef NO_JPEG +void CLASS kodak_jpeg_load_raw() {} +#else + +METHODDEF(boolean) +fill_input_buffer (j_decompress_ptr cinfo) +{ + static uchar jpeg_buffer[4096]; + size_t nbytes; + + nbytes = fread (jpeg_buffer, 1, 4096, ifp); + swab (jpeg_buffer, jpeg_buffer, nbytes); + cinfo->src->next_input_byte = jpeg_buffer; + cinfo->src->bytes_in_buffer = nbytes; + return TRUE; +} + +void CLASS kodak_jpeg_load_raw() +{ + struct jpeg_decompress_struct cinfo; + struct jpeg_error_mgr jerr; + JSAMPARRAY buf; + JSAMPLE (*pixel)[3]; + int row, col; + + cinfo.err = jpeg_std_error (&jerr); + jpeg_create_decompress (&cinfo); + jpeg_stdio_src (&cinfo, ifp); + cinfo.src->fill_input_buffer = fill_input_buffer; + jpeg_read_header (&cinfo, TRUE); + jpeg_start_decompress (&cinfo); + if ((cinfo.output_width != width ) || + (cinfo.output_height*2 != height ) || + (cinfo.output_components != 3 )) { + fprintf (stderr,_("%s: incorrect JPEG dimensions\n"), ifname); + jpeg_destroy_decompress (&cinfo); + longjmp (failure, 3); + } + buf = (*cinfo.mem->alloc_sarray) + ((j_common_ptr) &cinfo, JPOOL_IMAGE, width*3, 1); + + while (cinfo.output_scanline < cinfo.output_height) { + row = cinfo.output_scanline * 2; + jpeg_read_scanlines (&cinfo, buf, 1); + pixel = (JSAMPLE (*)[3]) buf[0]; + for (col=0; col < width; col+=2) { + BAYER(row+0,col+0) = pixel[col+0][1] << 1; + BAYER(row+1,col+1) = pixel[col+1][1] << 1; + BAYER(row+0,col+1) = pixel[col][0] + pixel[col+1][0]; + BAYER(row+1,col+0) = pixel[col][2] + pixel[col+1][2]; + } + } + jpeg_finish_decompress (&cinfo); + jpeg_destroy_decompress (&cinfo); + maximum = 0xff << 1; +} +#endif + +void CLASS kodak_dc120_load_raw() +{ + static const int mul[4] = { 162, 192, 187, 92 }; + static const int add[4] = { 0, 636, 424, 212 }; + uchar pixel[848]; + int row, shift, col; + + for (row=0; row < height; row++) { + if (fread (pixel, 1, 848, ifp) < 848) derror(); + shift = row * mul[row & 3] + add[row & 3]; + for (col=0; col < width; col++) + BAYER(row,col) = (ushort) pixel[(col + shift) % 848]; + } + maximum = 0xff; +} + +void CLASS eight_bit_load_raw() +{ + uchar *pixel; + unsigned row, col, val, lblack=0; + + pixel = (uchar *) calloc (raw_width, sizeof *pixel); + merror (pixel, "eight_bit_load_raw()"); + fseek (ifp, top_margin*raw_width, SEEK_CUR); + for (row=0; row < height; row++) { + if (fread (pixel, 1, raw_width, ifp) < raw_width) derror(); + for (col=0; col < raw_width; col++) { + val = curve[pixel[col]]; + if ((unsigned) (col-left_margin) < width) + BAYER(row,col-left_margin) = val; + else lblack += val; + } + } + free (pixel); + if (raw_width > width+1) + black = lblack / ((raw_width - width) * height); + if (!strncmp(model,"DC2",3)) + black = 0; + maximum = curve[0xff]; +} + +void CLASS kodak_262_load_raw() +{ + static const uchar kodak_tree[2][26] = + { { 0,1,5,1,1,2,0,0,0,0,0,0,0,0,0,0, 0,1,2,3,4,5,6,7,8,9 }, + { 0,3,1,1,1,1,1,2,0,0,0,0,0,0,0,0, 0,1,2,3,4,5,6,7,8,9 } }; + struct decode *decode[2]; + uchar *pixel; + int *strip, ns, i, row, col, chess, pi=0, pi1, pi2, pred, val; + + init_decoder(); + for (i=0; i < 2; i++) { + decode[i] = free_decode; + make_decoder (kodak_tree[i], 0); + } + ns = (raw_height+63) >> 5; + pixel = (uchar *) malloc (raw_width*32 + ns*4); + merror (pixel, "kodak_262_load_raw()"); + strip = (int *) (pixel + raw_width*32); + order = 0x4d4d; + for (i=0; i < ns; i++) + strip[i] = get4(); + for (row=0; row < raw_height; row++) { + if ((row & 31) == 0) { + fseek (ifp, strip[row >> 5], SEEK_SET); + getbits(-1); + pi = 0; + } + for (col=0; col < raw_width; col++) { + chess = (row + col) & 1; + pi1 = chess ? pi-2 : pi-raw_width-1; + pi2 = chess ? pi-2*raw_width : pi-raw_width+1; + if (col <= chess) pi1 = -1; + if (pi1 < 0) pi1 = pi2; + if (pi2 < 0) pi2 = pi1; + if (pi1 < 0 && col > 1) pi1 = pi2 = pi-2; + pred = (pi1 < 0) ? 0 : (pixel[pi1] + pixel[pi2]) >> 1; + pixel[pi] = val = pred + ljpeg_diff (decode[chess]); + if (val >> 8) derror(); + val = curve[pixel[pi++]]; + if ((unsigned) (col-left_margin) < width) + BAYER(row,col-left_margin) = val; + else black += val; + } + } + free (pixel); + if (raw_width > width) + black /= (raw_width - width) * height; +} + +int CLASS kodak_65000_decode (short *out, int bsize) +{ + uchar c, blen[768]; + ushort raw[6]; + INT64 bitbuf=0; + int save, bits=0, i, j, len, diff; + + save = ftell(ifp); + bsize = (bsize + 3) & -4; + for (i=0; i < bsize; i+=2) { + c = fgetc(ifp); + if ((blen[i ] = c & 15) > 12 || + (blen[i+1] = c >> 4) > 12 ) { + fseek (ifp, save, SEEK_SET); + for (i=0; i < bsize; i+=8) { + read_shorts (raw, 6); + out[i ] = raw[0] >> 12 << 8 | raw[2] >> 12 << 4 | raw[4] >> 12; + out[i+1] = raw[1] >> 12 << 8 | raw[3] >> 12 << 4 | raw[5] >> 12; + for (j=0; j < 6; j++) + out[i+2+j] = raw[j] & 0xfff; + } + return 1; + } + } + if ((bsize & 7) == 4) { + bitbuf = fgetc(ifp) << 8; + bitbuf += fgetc(ifp); + bits = 16; + } + for (i=0; i < bsize; i++) { + len = blen[i]; + if (bits < len) { + for (j=0; j < 32; j+=8) + bitbuf += (INT64) fgetc(ifp) << (bits+(j^8)); + bits += 32; + } + diff = bitbuf & (0xffff >> (16-len)); + bitbuf >>= len; + bits -= len; + if ((diff & (1 << (len-1))) == 0) + diff -= (1 << len) - 1; + out[i] = diff; + } + return 0; +} + +void CLASS kodak_65000_load_raw() +{ + short buf[256]; + int row, col, len, pred[2], ret, i; + + for (row=0; row < height; row++) + for (col=0; col < width; col+=256) { + pred[0] = pred[1] = 0; + len = MIN (256, width-col); + ret = kodak_65000_decode (buf, len); + for (i=0; i < len; i++) + if ((BAYER(row,col+i) = curve[ret ? buf[i] : + (pred[i & 1] += buf[i])]) >> 12) derror(); + } +} + +void CLASS kodak_ycbcr_load_raw() +{ + short buf[384], *bp; + int row, col, len, c, i, j, k, y[2][2], cb, cr, rgb[3]; + ushort *ip; + + for (row=0; row < height; row+=2) + for (col=0; col < width; col+=128) { + len = MIN (128, width-col); + kodak_65000_decode (buf, len*3); + y[0][1] = y[1][1] = cb = cr = 0; + for (bp=buf, i=0; i < len; i+=2, bp+=2) { + cb += bp[4]; + cr += bp[5]; + rgb[1] = -((cb + cr + 2) >> 2); + rgb[2] = rgb[1] + cb; + rgb[0] = rgb[1] + cr; + for (j=0; j < 2; j++) + for (k=0; k < 2; k++) { + if ((y[j][k] = y[j][k^1] + *bp++) >> 10) derror(); + ip = image[(row+j)*width + col+i+k]; + FORC3 ip[c] = curve[LIM(y[j][k]+rgb[c], 0, 0xfff)]; + } + } + } +} + +void CLASS kodak_rgb_load_raw() +{ + short buf[768], *bp; + int row, col, len, c, i, rgb[3]; + ushort *ip=image[0]; + + for (row=0; row < height; row++) + for (col=0; col < width; col+=256) { + len = MIN (256, width-col); + kodak_65000_decode (buf, len*3); + memset (rgb, 0, sizeof rgb); + for (bp=buf, i=0; i < len; i++, ip+=4) + FORC3 if ((ip[c] = rgb[c] += *bp++) >> 12) derror(); + } +} + +void CLASS kodak_thumb_load_raw() +{ + int row, col; + colors = thumb_misc >> 5; + for (row=0; row < height; row++) + for (col=0; col < width; col++) + read_shorts (image[row*width+col], colors); + maximum = (1 << (thumb_misc & 31)) - 1; +} + +void CLASS sony_decrypt (unsigned *data, int len, int start, int key) +{ + static unsigned pad[128], p; + + if (start) { + for (p=0; p < 4; p++) + pad[p] = key = key * 48828125 + 1; + pad[3] = pad[3] << 1 | (pad[0]^pad[2]) >> 31; + for (p=4; p < 127; p++) + pad[p] = (pad[p-4]^pad[p-2]) << 1 | (pad[p-3]^pad[p-1]) >> 31; + for (p=0; p < 127; p++) + pad[p] = htonl(pad[p]); + } + while (len--) + *data++ ^= pad[p++ & 127] = pad[(p+1) & 127] ^ pad[(p+65) & 127]; +} + +void CLASS sony_load_raw() +{ + uchar head[40]; + ushort *pixel; + unsigned i, key, row, col; + + fseek (ifp, 200896, SEEK_SET); + fseek (ifp, (unsigned) fgetc(ifp)*4 - 1, SEEK_CUR); + order = 0x4d4d; + key = get4(); + fseek (ifp, 164600, SEEK_SET); + fread (head, 1, 40, ifp); + sony_decrypt ((unsigned int *) head, 10, 1, key); + for (i=26; i-- > 22; ) + key = key << 8 | head[i]; + fseek (ifp, data_offset, SEEK_SET); + pixel = (ushort *) calloc (raw_width, sizeof *pixel); + merror (pixel, "sony_load_raw()"); + for (row=0; row < height; row++) { + if (fread (pixel, 2, raw_width, ifp) < raw_width) derror(); + sony_decrypt ((unsigned int *) pixel, raw_width/2, !row, key); + for (col=9; col < left_margin; col++) + black += ntohs(pixel[col]); + for (col=0; col < width; col++) + if ((BAYER(row,col) = ntohs(pixel[col+left_margin])) >> 14) + derror(); + } + free (pixel); + if (left_margin > 9) + black /= (left_margin-9) * height; + maximum = 0x3ff0; +} + +void CLASS sony_arw_load_raw() +{ + int col, row, len, diff, sum=0; + + getbits(-1); + for (col = raw_width; col--; ) + for (row=0; row < raw_height+1; row+=2) { + if (row == raw_height) row = 1; + len = 4 - getbits(2); + if (len == 3 && getbits(1)) len = 0; + if (len == 4) + while (len < 17 && !getbits(1)) len++; + diff = getbits(len); + if ((diff & (1 << (len-1))) == 0) + diff -= (1 << len) - 1; + if ((sum += diff) >> 12) derror(); + if (row < height) BAYER(row,col) = sum; + } +} + +void CLASS sony_arw2_load_raw() +{ + uchar *data, *dp; + ushort pix[16]; + int row, col, val, max, min, imax, imin, sh, bit, i; + + data = (uchar *) malloc (raw_width*tiff_bps >> 3); + merror (data, "sony_arw2_load_raw()"); + for (row=0; row < height; row++) { + fread (data, 1, raw_width*tiff_bps >> 3, ifp); + if (tiff_bps == 8) { + for (dp=data, col=0; col < width-30; dp+=16) { + max = 0x7ff & (val = sget4(dp)); + min = 0x7ff & val >> 11; + imax = 0x0f & val >> 22; + imin = 0x0f & val >> 26; + for (sh=0; sh < 4 && 0x80 << sh <= max-min; sh++); + for (bit=30, i=0; i < 16; i++) + if (i == imax) pix[i] = max; + else if (i == imin) pix[i] = min; + else { + pix[i] = ((sget2(dp+(bit >> 3)) >> (bit & 7) & 0x7f) << sh) + min; + if (pix[i] > 0x7ff) pix[i] = 0x7ff; + bit += 7; + } + for (i=0; i < 16; i++, col+=2) + BAYER(row,col) = curve[pix[i] << 1] >> 1; + col -= col & 1 ? 1:31; + } + } else if (tiff_bps == 12) + for (dp=data, col=0; col < width; dp+=3, col+=2) { + BAYER(row,col) = ((dp[1] << 8 | dp[0]) & 0xfff) << 1; + BAYER(row,col+1) = (dp[2] << 4 | dp[1] >> 4) << 1; + } + } + free (data); + maximum = 0x1fff; +} + +#define HOLE(row) ((holes >> (((row) - raw_height) & 7)) & 1) + +/* Kudos to Rich Taylor for figuring out SMaL's compression algorithm. */ +void CLASS smal_decode_segment (unsigned seg[2][2], int holes) +{ + uchar hist[3][13] = { + { 7, 7, 0, 0, 63, 55, 47, 39, 31, 23, 15, 7, 0 }, + { 7, 7, 0, 0, 63, 55, 47, 39, 31, 23, 15, 7, 0 }, + { 3, 3, 0, 0, 63, 47, 31, 15, 0 } }; + int low, high=0xff, carry=0, nbits=8; + int s, count, bin, next, i, sym[3]; + uchar diff, pred[]={0,0}; + ushort data=0, range=0; + unsigned pix, row, col; + + fseek (ifp, seg[0][1]+1, SEEK_SET); + getbits(-1); + for (pix=seg[0][0]; pix < seg[1][0]; pix++) { + for (s=0; s < 3; s++) { + data = data << nbits | getbits(nbits); + if (carry < 0) + carry = (nbits += carry+1) < 1 ? nbits-1 : 0; + while (--nbits >= 0) + if ((data >> nbits & 0xff) == 0xff) break; + if (nbits > 0) + data = ((data & ((1 << (nbits-1)) - 1)) << 1) | + ((data + (((data & (1 << (nbits-1)))) << 1)) & (-1 << nbits)); + if (nbits >= 0) { + data += getbits(1); + carry = nbits - 8; + } + count = ((((data-range+1) & 0xffff) << 2) - 1) / (high >> 4); + for (bin=0; hist[s][bin+5] > count; bin++); + low = hist[s][bin+5] * (high >> 4) >> 2; + if (bin) high = hist[s][bin+4] * (high >> 4) >> 2; + high -= low; + for (nbits=0; high << nbits < 128; nbits++); + range = (range+low) << nbits; + high <<= nbits; + next = hist[s][1]; + if (++hist[s][2] > hist[s][3]) { + next = (next+1) & hist[s][0]; + hist[s][3] = (hist[s][next+4] - hist[s][next+5]) >> 2; + hist[s][2] = 1; + } + if (hist[s][hist[s][1]+4] - hist[s][hist[s][1]+5] > 1) { + if (bin < hist[s][1]) + for (i=bin; i < hist[s][1]; i++) hist[s][i+5]--; + else if (next <= bin) + for (i=hist[s][1]; i < bin; i++) hist[s][i+5]++; + } + hist[s][1] = next; + sym[s] = bin; + } + diff = sym[2] << 5 | sym[1] << 2 | (sym[0] & 3); + if (sym[0] & 4) + diff = diff ? -diff : 0x80; + if (ftell(ifp) + 12 >= seg[1][1]) + diff = 0; + pred[pix & 1] += diff; + row = pix / raw_width - top_margin; + col = pix % raw_width - left_margin; + if (row < height && col < width) + BAYER(row,col) = pred[pix & 1]; + if (!(pix & 1) && HOLE(row)) pix += 2; + } + maximum = 0xff; +} + +void CLASS smal_v6_load_raw() +{ + unsigned seg[2][2]; + + fseek (ifp, 16, SEEK_SET); + seg[0][0] = 0; + seg[0][1] = get2(); + seg[1][0] = raw_width * raw_height; + seg[1][1] = INT_MAX; + smal_decode_segment (seg, 0); + use_gamma = 0; +} + +int CLASS median4 (int *p) +{ + int min, max, sum, i; + + min = max = sum = p[0]; + for (i=1; i < 4; i++) { + sum += p[i]; + if (min > p[i]) min = p[i]; + if (max < p[i]) max = p[i]; + } + return (sum - min - max) >> 1; +} + +void CLASS fill_holes (int holes) +{ + int row, col, val[4]; + + for (row=2; row < height-2; row++) { + if (!HOLE(row)) continue; + for (col=1; col < width-1; col+=4) { + val[0] = BAYER(row-1,col-1); + val[1] = BAYER(row-1,col+1); + val[2] = BAYER(row+1,col-1); + val[3] = BAYER(row+1,col+1); + BAYER(row,col) = median4(val); + } + for (col=2; col < width-2; col+=4) + if (HOLE(row-2) || HOLE(row+2)) + BAYER(row,col) = (BAYER(row,col-2) + BAYER(row,col+2)) >> 1; + else { + val[0] = BAYER(row,col-2); + val[1] = BAYER(row,col+2); + val[2] = BAYER(row-2,col); + val[3] = BAYER(row+2,col); + BAYER(row,col) = median4(val); + } + } +} + +void CLASS smal_v9_load_raw() +{ + unsigned seg[256][2], offset, nseg, holes, i; + + fseek (ifp, 67, SEEK_SET); + offset = get4(); + nseg = fgetc(ifp); + fseek (ifp, offset, SEEK_SET); + for (i=0; i < nseg*2; i++) + seg[0][i] = get4() + data_offset*(i & 1); + fseek (ifp, 78, SEEK_SET); + holes = fgetc(ifp); + fseek (ifp, 88, SEEK_SET); + seg[nseg][0] = raw_height * raw_width; + seg[nseg][1] = get4() + data_offset; + for (i=0; i < nseg; i++) + smal_decode_segment (seg+i, holes); + if (holes) fill_holes (holes); +} + +/* RESTRICTED code starts here */ + +void CLASS foveon_decoder (unsigned size, unsigned code) +{ + static unsigned huff[1024]; + struct decode *cur; + int i, len; + + if (!code) { + for (i=0; i < size; i++) + huff[i] = get4(); + init_decoder(); + } + cur = free_decode++; + if (free_decode > first_decode+2048) { + fprintf (stderr,_("%s: decoder table overflow\n"), ifname); + longjmp (failure, 2); + } + if (code) + for (i=0; i < size; i++) + if (huff[i] == code) { + cur->leaf = i; + return; + } + if ((len = code >> 27) > 26) return; + code = (len+1) << 27 | (code & 0x3ffffff) << 1; + + cur->branch[0] = free_decode; + foveon_decoder (size, code); + cur->branch[1] = free_decode; + foveon_decoder (size, code+1); +} + +void CLASS foveon_thumb (FILE *tfp) +{ + unsigned bwide, row, col, bitbuf=0, bit=1, c, i; + char *buf; + struct decode *dindex; + short pred[3]; + + bwide = get4(); + fprintf (tfp, "P6\n%d %d\n255\n", thumb_width, thumb_height); + if (bwide > 0) { + if (bwide < thumb_width*3) return; + buf = (char *) malloc (bwide); + merror (buf, "foveon_thumb()"); + for (row=0; row < thumb_height; row++) { + fread (buf, 1, bwide, ifp); + fwrite (buf, 3, thumb_width, tfp); + } + free (buf); + return; + } + foveon_decoder (256, 0); + + for (row=0; row < thumb_height; row++) { + memset (pred, 0, sizeof pred); + if (!bit) get4(); + for (bit=col=0; col < thumb_width; col++) + FORC3 { + for (dindex=first_decode; dindex->branch[0]; ) { + if ((bit = (bit-1) & 31) == 31) + for (i=0; i < 4; i++) + bitbuf = (bitbuf << 8) + fgetc(ifp); + dindex = dindex->branch[bitbuf >> bit & 1]; + } + pred[c] += dindex->leaf; + fputc (pred[c], tfp); + } + } +} + +void CLASS foveon_load_camf() +{ + unsigned key, i, val; + + fseek (ifp, meta_offset, SEEK_SET); + key = get4(); + fread (meta_data, 1, meta_length, ifp); + for (i=0; i < meta_length; i++) { + key = (key * 1597 + 51749) % 244944; + val = key * (INT64) 301593171 >> 24; + meta_data[i] ^= ((((key << 8) - val) >> 1) + val) >> 17; + } +} + +void CLASS foveon_load_raw() +{ + struct decode *dindex; + short diff[1024]; + unsigned bitbuf=0; + int pred[3], fixed, row, col, bit=-1, c, i; + + fixed = get4(); + read_shorts ((ushort *) diff, 1024); + if (!fixed) foveon_decoder (1024, 0); + + for (row=0; row < height; row++) { + memset (pred, 0, sizeof pred); + if (!bit && !fixed && atoi(model+2) < 14) get4(); + for (col=bit=0; col < width; col++) { + if (fixed) { + bitbuf = get4(); + FORC3 pred[2-c] += diff[bitbuf >> c*10 & 0x3ff]; + } + else FORC3 { + for (dindex=first_decode; dindex->branch[0]; ) { + if ((bit = (bit-1) & 31) == 31) + for (i=0; i < 4; i++) + bitbuf = (bitbuf << 8) + fgetc(ifp); + dindex = dindex->branch[bitbuf >> bit & 1]; + } + pred[c] += diff[dindex->leaf]; + if (pred[c] >> 16 && ~pred[c] >> 16) derror(); + } + FORC3 image[row*width+col][c] = pred[c]; + } + } + if (document_mode) + for (i=0; i < height*width*4; i++) + if ((short) image[0][i] < 0) image[0][i] = 0; + foveon_load_camf(); +} + +const char * CLASS foveon_camf_param (const char *block, const char *param) +{ + unsigned idx, num; + char *pos, *cp, *dp; + + for (idx=0; idx < meta_length; idx += sget4(pos+8)) { + pos = meta_data + idx; + if (strncmp (pos, "CMb", 3)) break; + if (pos[3] != 'P') continue; + if (strcmp (block, pos+sget4(pos+12))) continue; + cp = pos + sget4(pos+16); + num = sget4(cp); + dp = pos + sget4(cp+4); + while (num--) { + cp += 8; + if (!strcmp (param, dp+sget4(cp))) + return dp+sget4(cp+4); + } + } + return 0; +} + +void * CLASS foveon_camf_matrix (unsigned dim[3], const char *name) +{ + unsigned i, idx, type, ndim, size, *mat; + char *pos, *cp, *dp; + double dsize; + + for (idx=0; idx < meta_length; idx += sget4(pos+8)) { + pos = meta_data + idx; + if (strncmp (pos, "CMb", 3)) break; + if (pos[3] != 'M') continue; + if (strcmp (name, pos+sget4(pos+12))) continue; + dim[0] = dim[1] = dim[2] = 1; + cp = pos + sget4(pos+16); + type = sget4(cp); + if ((ndim = sget4(cp+4)) > 3) break; + dp = pos + sget4(cp+8); + for (i=ndim; i--; ) { + cp += 12; + dim[i] = sget4(cp); + } + if ((dsize = (double) dim[0]*dim[1]*dim[2]) > meta_length/4) break; + mat = (unsigned *) malloc ((size = dsize) * 4); + merror (mat, "foveon_camf_matrix()"); + for (i=0; i < size; i++) + if (type && type != 6) + mat[i] = sget4(dp + i*4); + else + mat[i] = sget4(dp + i*2) & 0xffff; + return mat; + } + fprintf (stderr,_("%s: \"%s\" matrix not found!\n"), ifname, name); + return 0; +} + +int CLASS foveon_fixed (void *ptr, int size, const char *name) +{ + void *dp; + unsigned dim[3]; + + dp = foveon_camf_matrix (dim, name); + if (!dp) return 0; + memcpy (ptr, dp, size*4); + free (dp); + return 1; +} + +float CLASS foveon_avg (short *pix, int range[2], float cfilt) +{ + int i; + float val, min=FLT_MAX, max=-FLT_MAX, sum=0; + + for (i=range[0]; i <= range[1]; i++) { + sum += val = pix[i*4] + (pix[i*4]-pix[(i-1)*4]) * cfilt; + if (min > val) min = val; + if (max < val) max = val; + } + if (range[1] - range[0] == 1) return sum/2; + return (sum - min - max) / (range[1] - range[0] - 1); +} + +short * CLASS foveon_make_curve (double max, double mul, double filt) +{ + short *curve; + unsigned i, size; + double x; + + if (!filt) filt = 0.8; + size = 4*M_PI*max / filt; + if (size == UINT_MAX) size--; + curve = (short *) calloc (size+1, sizeof *curve); + merror (curve, "foveon_make_curve()"); + curve[0] = size; + for (i=0; i < size; i++) { + x = i*filt/max/4; + curve[i+1] = (cos(x)+1)/2 * tanh(i*filt/mul) * mul + 0.5; + } + return curve; +} + +void CLASS foveon_make_curves + (short **curvep, float dq[3], float div[3], float filt) +{ + double mul[3], max=0; + int c; + + FORC3 mul[c] = dq[c]/div[c]; + FORC3 if (max < mul[c]) max = mul[c]; + FORC3 curvep[c] = foveon_make_curve (max, mul[c], filt); +} + +int CLASS foveon_apply_curve (short *curve, int i) +{ + if (abs(i) >= curve[0]) return 0; + return i < 0 ? -curve[1-i] : curve[1+i]; +} + +#define image ((short (*)[4]) image) + +void CLASS foveon_interpolate() +{ + static const short hood[] = { -1,-1, -1,0, -1,1, 0,-1, 0,1, 1,-1, 1,0, 1,1 }; + short *pix, prev[3], *curve[8], (*shrink)[3]; + float cfilt=0, ddft[3][3][2], ppm[3][3][3]; + float cam_xyz[3][3], correct[3][3], last[3][3], trans[3][3]; + float chroma_dq[3], color_dq[3], diag[3][3], div[3]; + float (*black)[3], (*sgain)[3], (*sgrow)[3]; + float fsum[3], val, frow, num; + int row, col, c, i, j, diff, sgx, irow, sum, min, max, limit; + int dscr[2][2], dstb[4], (*smrow[7])[3], total[4], ipix[3]; + int work[3][3], smlast, smred, smred_p=0, dev[3]; + int satlev[3], keep[4], active[4]; + unsigned dim[3], *badpix; + double dsum=0, trsum[3]; + char str[128]; + const char* cp; + + if (verbose) + fprintf (stderr,_("Foveon interpolation...\n")); + + foveon_fixed (dscr, 4, "DarkShieldColRange"); + foveon_fixed (ppm[0][0], 27, "PostPolyMatrix"); + foveon_fixed (satlev, 3, "SaturationLevel"); + foveon_fixed (keep, 4, "KeepImageArea"); + foveon_fixed (active, 4, "ActiveImageArea"); + foveon_fixed (chroma_dq, 3, "ChromaDQ"); + foveon_fixed (color_dq, 3, + foveon_camf_param ("IncludeBlocks", "ColorDQ") ? + "ColorDQ" : "ColorDQCamRGB"); + if (foveon_camf_param ("IncludeBlocks", "ColumnFilter")) + foveon_fixed (&cfilt, 1, "ColumnFilter"); + + memset (ddft, 0, sizeof ddft); + if (!foveon_camf_param ("IncludeBlocks", "DarkDrift") + || !foveon_fixed (ddft[1][0], 12, "DarkDrift")) + for (i=0; i < 2; i++) { + foveon_fixed (dstb, 4, i ? "DarkShieldBottom":"DarkShieldTop"); + for (row = dstb[1]; row <= dstb[3]; row++) + for (col = dstb[0]; col <= dstb[2]; col++) + FORC3 ddft[i+1][c][1] += (short) image[row*width+col][c]; + FORC3 ddft[i+1][c][1] /= (dstb[3]-dstb[1]+1) * (dstb[2]-dstb[0]+1); + } + + if (!(cp = foveon_camf_param ("WhiteBalanceIlluminants", model2))) + { fprintf (stderr,_("%s: Invalid white balance \"%s\"\n"), ifname, model2); + return; } + foveon_fixed (cam_xyz, 9, cp); + foveon_fixed (correct, 9, + foveon_camf_param ("WhiteBalanceCorrections", model2)); + memset (last, 0, sizeof last); + for (i=0; i < 3; i++) + for (j=0; j < 3; j++) + FORC3 last[i][j] += correct[i][c] * cam_xyz[c][j]; + + #define LAST(x,y) last[(i+x)%3][(c+y)%3] + for (i=0; i < 3; i++) + FORC3 diag[c][i] = LAST(1,1)*LAST(2,2) - LAST(1,2)*LAST(2,1); + #undef LAST + FORC3 div[c] = diag[c][0]*0.3127 + diag[c][1]*0.329 + diag[c][2]*0.3583; + sprintf (str, "%sRGBNeutral", model2); + if (foveon_camf_param ("IncludeBlocks", str)) + foveon_fixed (div, 3, str); + num = 0; + FORC3 if (num < div[c]) num = div[c]; + FORC3 div[c] /= num; + + memset (trans, 0, sizeof trans); + for (i=0; i < 3; i++) + for (j=0; j < 3; j++) + FORC3 trans[i][j] += rgb_cam[i][c] * last[c][j] * div[j]; + FORC3 trsum[c] = trans[c][0] + trans[c][1] + trans[c][2]; + dsum = (6*trsum[0] + 11*trsum[1] + 3*trsum[2]) / 20; + for (i=0; i < 3; i++) + FORC3 last[i][c] = trans[i][c] * dsum / trsum[i]; + memset (trans, 0, sizeof trans); + for (i=0; i < 3; i++) + for (j=0; j < 3; j++) + FORC3 trans[i][j] += (i==c ? 32 : -1) * last[c][j] / 30; + + foveon_make_curves (curve, color_dq, div, cfilt); + FORC3 chroma_dq[c] /= 3; + foveon_make_curves (curve+3, chroma_dq, div, cfilt); + FORC3 dsum += chroma_dq[c] / div[c]; + curve[6] = foveon_make_curve (dsum, dsum, cfilt); + curve[7] = foveon_make_curve (dsum*2, dsum*2, cfilt); + + sgain = (float (*)[3]) foveon_camf_matrix (dim, "SpatialGain"); + if (!sgain) return; + sgrow = (float (*)[3]) calloc (dim[1], sizeof *sgrow); + sgx = (width + dim[1]-2) / (dim[1]-1); + + black = (float (*)[3]) calloc (height, sizeof *black); + for (row=0; row < height; row++) { + for (i=0; i < 6; i++) + ddft[0][0][i] = ddft[1][0][i] + + row / (height-1.0) * (ddft[2][0][i] - ddft[1][0][i]); + FORC3 black[row][c] = + ( foveon_avg (image[row*width]+c, dscr[0], cfilt) + + foveon_avg (image[row*width]+c, dscr[1], cfilt) * 3 + - ddft[0][c][0] ) / 4 - ddft[0][c][1]; + } + memcpy (black, black+8, sizeof *black*8); + memcpy (black+height-11, black+height-22, 11*sizeof *black); + memcpy (last, black, sizeof last); + + for (row=1; row < height-1; row++) { + FORC3 if (last[1][c] > last[0][c]) { + if (last[1][c] > last[2][c]) + black[row][c] = (last[0][c] > last[2][c]) ? last[0][c]:last[2][c]; + } else + if (last[1][c] < last[2][c]) + black[row][c] = (last[0][c] < last[2][c]) ? last[0][c]:last[2][c]; + memmove (last, last+1, 2*sizeof last[0]); + memcpy (last[2], black[row+1], sizeof last[2]); + } + FORC3 black[row][c] = (last[0][c] + last[1][c])/2; + FORC3 black[0][c] = (black[1][c] + black[3][c])/2; + + val = 1 - exp(-1/24.0); + memcpy (fsum, black, sizeof fsum); + for (row=1; row < height; row++) + FORC3 fsum[c] += black[row][c] = + (black[row][c] - black[row-1][c])*val + black[row-1][c]; + memcpy (last[0], black[height-1], sizeof last[0]); + FORC3 fsum[c] /= height; + for (row = height; row--; ) + FORC3 last[0][c] = black[row][c] = + (black[row][c] - fsum[c] - last[0][c])*val + last[0][c]; + + memset (total, 0, sizeof total); + for (row=2; row < height; row+=4) + for (col=2; col < width; col+=4) { + FORC3 total[c] += (short) image[row*width+col][c]; + total[3]++; + } + for (row=0; row < height; row++) + FORC3 black[row][c] += fsum[c]/2 + total[c]/(total[3]*100.0); + + for (row=0; row < height; row++) { + for (i=0; i < 6; i++) + ddft[0][0][i] = ddft[1][0][i] + + row / (height-1.0) * (ddft[2][0][i] - ddft[1][0][i]); + pix = image[row*width]; + memcpy (prev, pix, sizeof prev); + frow = row / (height-1.0) * (dim[2]-1); + if ((irow = frow) == dim[2]-1) irow--; + frow -= irow; + for (i=0; i < dim[1]; i++) + FORC3 sgrow[i][c] = sgain[ irow *dim[1]+i][c] * (1-frow) + + sgain[(irow+1)*dim[1]+i][c] * frow; + for (col=0; col < width; col++) { + FORC3 { + diff = pix[c] - prev[c]; + prev[c] = pix[c]; + ipix[c] = pix[c] + floor ((diff + (diff*diff >> 14)) * cfilt + - ddft[0][c][1] - ddft[0][c][0] * ((float) col/width - 0.5) + - black[row][c] ); + } + FORC3 { + work[0][c] = ipix[c] * ipix[c] >> 14; + work[2][c] = ipix[c] * work[0][c] >> 14; + work[1][2-c] = ipix[(c+1) % 3] * ipix[(c+2) % 3] >> 14; + } + FORC3 { + for (val=i=0; i < 3; i++) + for ( j=0; j < 3; j++) + val += ppm[c][i][j] * work[i][j]; + ipix[c] = floor ((ipix[c] + floor(val)) * + ( sgrow[col/sgx ][c] * (sgx - col%sgx) + + sgrow[col/sgx+1][c] * (col%sgx) ) / sgx / div[c]); + if (ipix[c] > 32000) ipix[c] = 32000; + pix[c] = ipix[c]; + } + pix += 4; + } + } + free (black); + free (sgrow); + free (sgain); + + if ((badpix = (unsigned int *) foveon_camf_matrix (dim, "BadPixels"))) { + for (i=0; i < dim[0]; i++) { + col = (badpix[i] >> 8 & 0xfff) - keep[0]; + row = (badpix[i] >> 20 ) - keep[1]; + if ((unsigned)(row-1) > height-3 || (unsigned)(col-1) > width-3) + continue; + memset (fsum, 0, sizeof fsum); + for (sum=j=0; j < 8; j++) + if (badpix[i] & (1 << j)) { + FORC3 fsum[c] += (short) + image[(row+hood[j*2])*width+col+hood[j*2+1]][c]; + sum++; + } + if (sum) FORC3 image[row*width+col][c] = fsum[c]/sum; + } + free (badpix); + } + + /* Array for 5x5 Gaussian averaging of red values */ + smrow[6] = (int (*)[3]) calloc (width*5, sizeof **smrow); + merror (smrow[6], "foveon_interpolate()"); + for (i=0; i < 5; i++) + smrow[i] = smrow[6] + i*width; + + /* Sharpen the reds against these Gaussian averages */ + for (smlast=-1, row=2; row < height-2; row++) { + while (smlast < row+2) { + for (i=0; i < 6; i++) + smrow[(i+5) % 6] = smrow[i]; + pix = image[++smlast*width+2]; + for (col=2; col < width-2; col++) { + smrow[4][col][0] = + (pix[0]*6 + (pix[-4]+pix[4])*4 + pix[-8]+pix[8] + 8) >> 4; + pix += 4; + } + } + pix = image[row*width+2]; + for (col=2; col < width-2; col++) { + smred = ( 6 * smrow[2][col][0] + + 4 * (smrow[1][col][0] + smrow[3][col][0]) + + smrow[0][col][0] + smrow[4][col][0] + 8 ) >> 4; + if (col == 2) + smred_p = smred; + i = pix[0] + ((pix[0] - ((smred*7 + smred_p) >> 3)) >> 3); + if (i > 32000) i = 32000; + pix[0] = i; + smred_p = smred; + pix += 4; + } + } + + /* Adjust the brighter pixels for better linearity */ + min = 0xffff; + FORC3 { + i = satlev[c] / div[c]; + if (min > i) min = i; + } + limit = min * 9 >> 4; + for (pix=image[0]; pix < image[height*width]; pix+=4) { + if (pix[0] <= limit || pix[1] <= limit || pix[2] <= limit) + continue; + min = max = pix[0]; + for (c=1; c < 3; c++) { + if (min > pix[c]) min = pix[c]; + if (max < pix[c]) max = pix[c]; + } + if (min >= limit*2) { + pix[0] = pix[1] = pix[2] = max; + } else { + i = 0x4000 - ((min - limit) << 14) / limit; + i = 0x4000 - (i*i >> 14); + i = i*i >> 14; + FORC3 pix[c] += (max - pix[c]) * i >> 14; + } + } +/* + Because photons that miss one detector often hit another, + the sum R+G+B is much less noisy than the individual colors. + So smooth the hues without smoothing the total. + */ + for (smlast=-1, row=2; row < height-2; row++) { + while (smlast < row+2) { + for (i=0; i < 6; i++) + smrow[(i+5) % 6] = smrow[i]; + pix = image[++smlast*width+2]; + for (col=2; col < width-2; col++) { + FORC3 smrow[4][col][c] = (pix[c-4]+2*pix[c]+pix[c+4]+2) >> 2; + pix += 4; + } + } + pix = image[row*width+2]; + for (col=2; col < width-2; col++) { + FORC3 dev[c] = -foveon_apply_curve (curve[7], pix[c] - + ((smrow[1][col][c] + 2*smrow[2][col][c] + smrow[3][col][c]) >> 2)); + sum = (dev[0] + dev[1] + dev[2]) >> 3; + FORC3 pix[c] += dev[c] - sum; + pix += 4; + } + } + for (smlast=-1, row=2; row < height-2; row++) { + while (smlast < row+2) { + for (i=0; i < 6; i++) + smrow[(i+5) % 6] = smrow[i]; + pix = image[++smlast*width+2]; + for (col=2; col < width-2; col++) { + FORC3 smrow[4][col][c] = + (pix[c-8]+pix[c-4]+pix[c]+pix[c+4]+pix[c+8]+2) >> 2; + pix += 4; + } + } + pix = image[row*width+2]; + for (col=2; col < width-2; col++) { + for (total[3]=375, sum=60, c=0; c < 3; c++) { + for (total[c]=i=0; i < 5; i++) + total[c] += smrow[i][col][c]; + total[3] += total[c]; + sum += pix[c]; + } + if (sum < 0) sum = 0; + j = total[3] > 375 ? (sum << 16) / total[3] : sum * 174; + FORC3 pix[c] += foveon_apply_curve (curve[6], + ((j*total[c] + 0x8000) >> 16) - pix[c]); + pix += 4; + } + } + + /* Transform the image to a different colorspace */ + for (pix=image[0]; pix < image[height*width]; pix+=4) { + FORC3 pix[c] -= foveon_apply_curve (curve[c], pix[c]); + sum = (pix[0]+pix[1]+pix[1]+pix[2]) >> 2; + FORC3 pix[c] -= foveon_apply_curve (curve[c], pix[c]-sum); + FORC3 { + for (dsum=i=0; i < 3; i++) + dsum += trans[c][i] * pix[i]; + if (dsum < 0) dsum = 0; + if (dsum > 24000) dsum = 24000; + ipix[c] = dsum + 0.5; + } + FORC3 pix[c] = ipix[c]; + } + + /* Smooth the image bottom-to-top and save at 1/4 scale */ + shrink = (short (*)[3]) calloc ((width/4) * (height/4), sizeof *shrink); + merror (shrink, "foveon_interpolate()"); + for (row = height/4; row--; ) + for (col=0; col < width/4; col++) { + ipix[0] = ipix[1] = ipix[2] = 0; + for (i=0; i < 4; i++) + for (j=0; j < 4; j++) + FORC3 ipix[c] += image[(row*4+i)*width+col*4+j][c]; + FORC3 + if (row+2 > height/4) + shrink[row*(width/4)+col][c] = ipix[c] >> 4; + else + shrink[row*(width/4)+col][c] = + (shrink[(row+1)*(width/4)+col][c]*1840 + ipix[c]*141 + 2048) >> 12; + } + /* From the 1/4-scale image, smooth right-to-left */ + for (row=0; row < (height & ~3); row++) { + ipix[0] = ipix[1] = ipix[2] = 0; + if ((row & 3) == 0) + for (col = width & ~3 ; col--; ) + FORC3 smrow[0][col][c] = ipix[c] = + (shrink[(row/4)*(width/4)+col/4][c]*1485 + ipix[c]*6707 + 4096) >> 13; + + /* Then smooth left-to-right */ + ipix[0] = ipix[1] = ipix[2] = 0; + for (col=0; col < (width & ~3); col++) + FORC3 smrow[1][col][c] = ipix[c] = + (smrow[0][col][c]*1485 + ipix[c]*6707 + 4096) >> 13; + + /* Smooth top-to-bottom */ + if (row == 0) + memcpy (smrow[2], smrow[1], sizeof **smrow * width); + else + for (col=0; col < (width & ~3); col++) + FORC3 smrow[2][col][c] = + (smrow[2][col][c]*6707 + smrow[1][col][c]*1485 + 4096) >> 13; + + /* Adjust the chroma toward the smooth values */ + for (col=0; col < (width & ~3); col++) { + for (i=j=30, c=0; c < 3; c++) { + i += smrow[2][col][c]; + j += image[row*width+col][c]; + } + j = (j << 16) / i; + for (sum=c=0; c < 3; c++) { + ipix[c] = foveon_apply_curve (curve[c+3], + ((smrow[2][col][c] * j + 0x8000) >> 16) - image[row*width+col][c]); + sum += ipix[c]; + } + sum >>= 3; + FORC3 { + i = image[row*width+col][c] + ipix[c] - sum; + if (i < 0) i = 0; + image[row*width+col][c] = i; + } + } + } + free (shrink); + free (smrow[6]); + for (i=0; i < 8; i++) + free (curve[i]); + + /* Trim off the black border */ + active[1] -= keep[1]; + active[3] -= 2; + i = active[2] - active[0]; + for (row=0; row < active[3]-active[1]; row++) + memcpy (image[row*i], image[(row+active[1])*width+active[0]], + i * sizeof *image); + width = i; + height = row; +} +#undef image + +/* RESTRICTED code ends here */ + +/* + Seach from the current directory up to the root looking for + a ".badpixels" file, and fix those pixels now. + */ +void CLASS bad_pixels() +{ + FILE *fp=0; + char *fname, *cp, line[128]; + int len, time, row, col, r, c, rad, tot, n, fixed=0; + + if (!filters) return; + for (len=32 ; ; len *= 2) { + fname = (char *) malloc (len); + if (!fname) return; + if (getcwd (fname, len-16)) break; + free (fname); + if (errno != ERANGE) return; + } +#if defined(WIN32) || defined(DJGPP) + if (fname[1] == ':') + memmove (fname, fname+2, len-2); + for (cp=fname; *cp; cp++) + if (*cp == '\\') *cp = '/'; +#endif + cp = fname + strlen(fname); + if (cp[-1] == '/') cp--; + while (*fname == '/') { + strcpy (cp, "/.badpixels"); + if ((fp = fopen (fname, "r"))) break; + if (cp == fname) break; + while (*--cp != '/'); + } + free (fname); + if (!fp) return; + while (fgets (line, 128, fp)) { + cp = strchr (line, '#'); + if (cp) *cp = 0; + if (sscanf (line, "%d %d %d", &col, &row, &time) != 3) continue; + if ((unsigned) col >= width || (unsigned) row >= height) continue; + if (time > timestamp) continue; + for (tot=n=0, rad=1; rad < 3 && n==0; rad++) + for (r = row-rad; r <= row+rad; r++) + for (c = col-rad; c <= col+rad; c++) + if ((unsigned) r < height && (unsigned) c < width && + (r != row || c != col) && fc(r,c) == fc(row,col)) { + tot += BAYER2(r,c); + n++; + } + BAYER2(row,col) = tot/n; + if (verbose) { + if (!fixed++) + fprintf (stderr,_("Fixed bad pixels at:")); + fprintf (stderr, " %d,%d", col, row); + } + } + if (fixed) fputc ('\n', stderr); + fclose (fp); +} + +void CLASS subtract (char *fname) +{ + FILE *fp; + int dim[3]={0,0,0}, comment=0, number=0, error=0, nd=0, c, row, col; + ushort *pixel; + + if (!(fp = fopen (fname, "rb"))) { + perror (fname); return; + } + if (fgetc(fp) != 'P' || fgetc(fp) != '5') error = 1; + while (!error && nd < 3 && (c = fgetc(fp)) != EOF) { + if (c == '#') comment = 1; + if (c == '\n') comment = 0; + if (comment) continue; + if (isdigit(c)) number = 1; + if (number) { + if (isdigit(c)) dim[nd] = dim[nd]*10 + c -'0'; + else if (isspace(c)) { + number = 0; nd++; + } else error = 1; + } + } + if (error || nd < 3) { + fprintf (stderr,_("%s is not a valid PGM file!\n"), fname); + fclose (fp); return; + } else if (dim[0] != width || dim[1] != height || dim[2] != 65535) { + fprintf (stderr,_("%s has the wrong dimensions!\n"), fname); + fclose (fp); return; + } + pixel = (ushort *) calloc (width, sizeof *pixel); + merror (pixel, "subtract()"); + for (row=0; row < height; row++) { + fread (pixel, 2, width, fp); + for (col=0; col < width; col++) + BAYER(row,col) = MAX (BAYER(row,col) - ntohs(pixel[col]), 0); + } + free (pixel); + black = 0; +} + +void CLASS pseudoinverse (double (*in)[3], double (*out)[3], int size) +{ + double work[3][6], num; + int i, j, k; + + for (i=0; i < 3; i++) { + for (j=0; j < 6; j++) + work[i][j] = j == i+3; + for (j=0; j < 3; j++) + for (k=0; k < size; k++) + work[i][j] += in[k][i] * in[k][j]; + } + for (i=0; i < 3; i++) { + num = work[i][i]; + for (j=0; j < 6; j++) + work[i][j] /= num; + for (k=0; k < 3; k++) { + if (k==i) continue; + num = work[k][i]; + for (j=0; j < 6; j++) + work[k][j] -= work[i][j] * num; + } + } + for (i=0; i < size; i++) + for (j=0; j < 3; j++) + for (out[i][j]=k=0; k < 3; k++) + out[i][j] += work[j][k+3] * in[i][k]; +} + +void CLASS cam_xyz_coeff (double cam_xyz[4][3]) +{ + double cam_rgb[4][3], inverse[4][3], num; + int i, j, k; + + for (i=0; i < colors; i++) /* Multiply out XYZ colorspace */ + for (j=0; j < 3; j++) + for (cam_rgb[i][j] = k=0; k < 3; k++) + cam_rgb[i][j] += cam_xyz[i][k] * xyz_rgb[k][j]; + + for (i=0; i < colors; i++) { /* Normalize cam_rgb so that */ + for (num=j=0; j < 3; j++) /* cam_rgb * (1,1,1) is (1,1,1,1) */ + num += cam_rgb[i][j]; + for (j=0; j < 3; j++) + cam_rgb[i][j] /= num; + pre_mul[i] = 1 / num; + } + pseudoinverse (cam_rgb, inverse, colors); + for (raw_color = i=0; i < 3; i++) + for (j=0; j < colors; j++) + rgb_cam[i][j] = inverse[j][i]; +} + +#ifdef COLORCHECK +void CLASS colorcheck() +{ +#define NSQ 24 +// Coordinates of the GretagMacbeth ColorChecker squares +// width, height, 1st_column, 1st_row + static const int cut[NSQ][4] = { + { 241, 231, 234, 274 }, + { 251, 235, 534, 274 }, + { 255, 239, 838, 272 }, + { 255, 240, 1146, 274 }, + { 251, 237, 1452, 278 }, + { 243, 238, 1758, 288 }, + { 253, 253, 218, 558 }, + { 255, 249, 524, 562 }, + { 261, 253, 830, 562 }, + { 260, 255, 1144, 564 }, + { 261, 255, 1450, 566 }, + { 247, 247, 1764, 576 }, + { 255, 251, 212, 862 }, + { 259, 259, 518, 862 }, + { 263, 261, 826, 864 }, + { 265, 263, 1138, 866 }, + { 265, 257, 1450, 872 }, + { 257, 255, 1762, 874 }, + { 257, 253, 212, 1164 }, + { 262, 251, 516, 1172 }, + { 263, 257, 826, 1172 }, + { 263, 255, 1136, 1176 }, + { 255, 252, 1452, 1182 }, + { 257, 253, 1760, 1180 } }; +// ColorChecker Chart under 6500-kelvin illumination + static const double gmb_xyY[NSQ][3] = { + { 0.400, 0.350, 10.1 }, // Dark Skin + { 0.377, 0.345, 35.8 }, // Light Skin + { 0.247, 0.251, 19.3 }, // Blue Sky + { 0.337, 0.422, 13.3 }, // Foliage + { 0.265, 0.240, 24.3 }, // Blue Flower + { 0.261, 0.343, 43.1 }, // Bluish Green + { 0.506, 0.407, 30.1 }, // Orange + { 0.211, 0.175, 12.0 }, // Purplish Blue + { 0.453, 0.306, 19.8 }, // Moderate Red + { 0.285, 0.202, 6.6 }, // Purple + { 0.380, 0.489, 44.3 }, // Yellow Green + { 0.473, 0.438, 43.1 }, // Orange Yellow + { 0.187, 0.129, 6.1 }, // Blue + { 0.305, 0.478, 23.4 }, // Green + { 0.539, 0.313, 12.0 }, // Red + { 0.448, 0.470, 59.1 }, // Yellow + { 0.364, 0.233, 19.8 }, // Magenta + { 0.196, 0.252, 19.8 }, // Cyan + { 0.310, 0.316, 90.0 }, // White + { 0.310, 0.316, 59.1 }, // Neutral 8 + { 0.310, 0.316, 36.2 }, // Neutral 6.5 + { 0.310, 0.316, 19.8 }, // Neutral 5 + { 0.310, 0.316, 9.0 }, // Neutral 3.5 + { 0.310, 0.316, 3.1 } }; // Black + double gmb_cam[NSQ][4], gmb_xyz[NSQ][3]; + double inverse[NSQ][3], cam_xyz[4][3], num; + int c, i, j, k, sq, row, col, count[4]; + + memset (gmb_cam, 0, sizeof gmb_cam); + for (sq=0; sq < NSQ; sq++) { + FORCC count[c] = 0; + for (row=cut[sq][3]; row < cut[sq][3]+cut[sq][1]; row++) + for (col=cut[sq][2]; col < cut[sq][2]+cut[sq][0]; col++) { + c = FC(row,col); + if (c >= colors) c -= 2; + gmb_cam[sq][c] += BAYER(row,col); + count[c]++; + } + FORCC gmb_cam[sq][c] = gmb_cam[sq][c]/count[c] - black; + gmb_xyz[sq][0] = gmb_xyY[sq][2] * gmb_xyY[sq][0] / gmb_xyY[sq][1]; + gmb_xyz[sq][1] = gmb_xyY[sq][2]; + gmb_xyz[sq][2] = gmb_xyY[sq][2] * + (1 - gmb_xyY[sq][0] - gmb_xyY[sq][1]) / gmb_xyY[sq][1]; + } + pseudoinverse (gmb_xyz, inverse, NSQ); + for (i=0; i < colors; i++) + for (j=0; j < 3; j++) + for (cam_xyz[i][j] = k=0; k < NSQ; k++) + cam_xyz[i][j] += gmb_cam[k][i] * inverse[k][j]; + cam_xyz_coeff (cam_xyz); + if (verbose) { + printf (" { \"%s %s\", %d,\n\t{", make, model, black); + num = 10000 / (cam_xyz[1][0] + cam_xyz[1][1] + cam_xyz[1][2]); + FORCC for (j=0; j < 3; j++) + printf ("%c%d", (c | j) ? ',':' ', (int) (cam_xyz[c][j] * num + 0.5)); + puts (" } },"); + } +#undef NSQ +} +#endif + +void CLASS hat_transform (float *temp, float *base, int st, int size, int sc) +{ + int i; + for (i=0; i < sc; i++) + temp[i] = 2*base[st*i] + base[st*(sc-i)] + base[st*(i+sc)]; + for (; i+sc < size; i++) + temp[i] = 2*base[st*i] + base[st*(i-sc)] + base[st*(i+sc)]; + for (; i < size; i++) + temp[i] = 2*base[st*i] + base[st*(i-sc)] + base[st*(2*size-2-(i+sc))]; +} + +void CLASS wavelet_denoise() +{ + float *fimg=0, *temp, thold, mul[2], avg, diff; + int scale=1, size, lev, hpass, lpass, row, col, nc, c, i, wlast; + ushort *window[4]; + static const float noise[] = + { 0.8002,0.2735,0.1202,0.0585,0.0291,0.0152,0.0080,0.0044 }; + + if (verbose) fprintf (stderr,_("Wavelet denoising...\n")); + + while (maximum << scale < 0x10000) scale++; + maximum <<= --scale; + black <<= scale; + if ((size = iheight*iwidth) < 0x15550000) + fimg = (float *) malloc ((size*3 + iheight + iwidth) * sizeof *fimg); + merror (fimg, "wavelet_denoise()"); + temp = fimg + size*3; + if ((nc = colors) == 3 && filters) nc++; + for (c=0; c < nc; c++) { /* denoise R,G1,B,G3 individually */ + for (i=0; i < size; i++) + fimg[i] = sqrt((unsigned) (image[i][c] << (scale+16))); + for (hpass=lev=0; lev < 5; lev++) { + lpass = size*((lev & 1)+1); + for (row=0; row < iheight; row++) { + hat_transform (temp, fimg+hpass+row*iwidth, 1, iwidth, 1 << lev); + for (col=0; col < iwidth; col++) + fimg[lpass + row*iwidth + col] = temp[col] * 0.25; + } + for (col=0; col < iwidth; col++) { + hat_transform (temp, fimg+lpass+col, iwidth, iheight, 1 << lev); + for (row=0; row < iheight; row++) + fimg[lpass + row*iwidth + col] = temp[row] * 0.25; + } + thold = threshold * noise[lev]; + for (i=0; i < size; i++) { + fimg[hpass+i] -= fimg[lpass+i]; + if (fimg[hpass+i] < -thold) fimg[hpass+i] += thold; + else if (fimg[hpass+i] > thold) fimg[hpass+i] -= thold; + else fimg[hpass+i] = 0; + if (hpass) fimg[i] += fimg[hpass+i]; + } + hpass = lpass; + } + for (i=0; i < size; i++) + image[i][c] = CLIP(SQR(fimg[i]+fimg[lpass+i])/0x10000); + } + if (filters && colors == 3) { /* pull G1 and G3 closer together */ + for (row=0; row < 2; row++) + mul[row] = 0.125 * pre_mul[FC(row+1,0) | 1] / pre_mul[FC(row,0) | 1]; + for (i=0; i < 4; i++) + window[i] = (ushort *) fimg + width*i; + for (wlast=-1, row=1; row < height-1; row++) { + while (wlast < row+1) { + for (wlast++, i=0; i < 4; i++) + window[(i+3) & 3] = window[i]; + for (col = FC(wlast,1) & 1; col < width; col+=2) + window[2][col] = BAYER(wlast,col); + } + thold = threshold/512; + for (col = (FC(row,0) & 1)+1; col < width-1; col+=2) { + avg = ( window[0][col-1] + window[0][col+1] + + window[2][col-1] + window[2][col+1] - black*4 ) + * mul[row & 1] + (window[1][col] - black) * 0.5 + black; + avg = avg < 0 ? 0 : sqrt(avg); + diff = sqrt(BAYER(row,col)) - avg; + if (diff < -thold) diff += thold; + else if (diff > thold) diff -= thold; + else diff = 0; + BAYER(row,col) = CLIP(SQR(avg+diff) + 0.5); + } + } + } + free (fimg); +} + +void CLASS scale_colors() +{ + unsigned bottom, right, size, row, col, ur, uc, i, x, y, c, sum[8]; + int val, dblack; + double dsum[8], dmin, dmax; + float scale_mul[4], fr, fc; + ushort *img=0, *pix; + + if (user_mul[0]) + memcpy (pre_mul, user_mul, sizeof pre_mul); + if (use_auto_wb || (use_camera_wb && cam_mul[0] == -1)) { + memset (dsum, 0, sizeof dsum); + bottom = MIN (greybox[1]+greybox[3], height); + right = MIN (greybox[0]+greybox[2], width); + for (row=greybox[1]; row < bottom; row += 8) + for (col=greybox[0]; col < right; col += 8) { + memset (sum, 0, sizeof sum); + for (y=row; y < row+8 && y < bottom; y++) + for (x=col; x < col+8 && x < right; x++) + FORC4 { + if (filters) { + c = FC(y,x); + val = BAYER(y,x); + } else + val = image[y*width+x][c]; + if (val > maximum-25) goto skip_block; + if ((val -= black) < 0) val = 0; + sum[c] += val; + sum[c+4]++; + if (filters) break; + } + for (c=0; c < 8; c++) dsum[c] += sum[c]; +skip_block: ; + } + FORC4 if (dsum[c]) pre_mul[c] = dsum[c+4] / dsum[c]; + } + if (use_camera_wb && cam_mul[0] != -1) { + memset (sum, 0, sizeof sum); + for (row=0; row < 8; row++) + for (col=0; col < 8; col++) { + c = FC(row,col); + if ((val = white[row][col] - black) > 0) + sum[c] += val; + sum[c+4]++; + } + if (sum[0] && sum[1] && sum[2] && sum[3]) + FORC4 pre_mul[c] = (float) sum[c+4] / sum[c]; + else if (cam_mul[0] && cam_mul[2]) + memcpy (pre_mul, cam_mul, sizeof pre_mul); + else + fprintf (stderr,_("%s: Cannot use camera white balance.\n"), ifname); + } + if (pre_mul[3] == 0) pre_mul[3] = colors < 4 ? pre_mul[1] : 1; + dblack = black; + if (threshold) wavelet_denoise(); + maximum -= black; + for (dmin=DBL_MAX, dmax=c=0; c < 4; c++) { + if (dmin > pre_mul[c]) + dmin = pre_mul[c]; + if (dmax < pre_mul[c]) + dmax = pre_mul[c]; + } + if (!highlight) dmax = dmin; + FORC4 scale_mul[c] = (pre_mul[c] /= dmax) * 65535.0 / maximum; + if (verbose) { + fprintf (stderr,_("Scaling with black %d, multipliers"), dblack); + FORC4 fprintf (stderr, " %f", pre_mul[c]); + fputc ('\n', stderr); + } + size = iheight*iwidth; + for (i=0; i < size*4; i++) { + val = image[0][i]; + if (!val) continue; + val -= black; + val *= scale_mul[i & 3]; + image[0][i] = CLIP(val); + } + if ((aber[0] != 1 || aber[2] != 1) && colors == 3) { + if (verbose) + fprintf (stderr,_("Correcting chromatic aberration...\n")); + for (c=0; c < 4; c+=2) { + if (aber[c] == 1) continue; + img = (ushort *) malloc (size * sizeof *img); + merror (img, "scale_colors()"); + for (i=0; i < size; i++) + img[i] = image[i][c]; + for (row=0; row < iheight; row++) { + ur = fr = (row - iheight*0.5) * aber[c] + iheight*0.5; + if (ur > iheight-2) continue; + fr -= ur; + for (col=0; col < iwidth; col++) { + uc = fc = (col - iwidth*0.5) * aber[c] + iwidth*0.5; + if (uc > iwidth-2) continue; + fc -= uc; + pix = img + ur*iwidth + uc; + image[row*iwidth+col][c] = + (pix[ 0]*(1-fc) + pix[ 1]*fc) * (1-fr) + + (pix[iwidth]*(1-fc) + pix[iwidth+1]*fc) * fr; + } + } + free(img); + } + } +} + +void CLASS pre_interpolate() +{ + ushort (*img)[4]; + int row, col, c; + + if (shrink) { + if (half_size) { + height = iheight; + width = iwidth; + } else { + img = (ushort (*)[4]) calloc (height*width, sizeof *img); + merror (img, "unshrink()"); + for (row=0; row < height; row++) + for (col=0; col < width; col++) { + c = fc(row,col); + img[row*width+col][c] = image[(row >> 1)*iwidth+(col >> 1)][c]; + } + free (image); + image = img; + shrink = 0; + } + } + if (filters && colors == 3) { + if ((mix_green = four_color_rgb)) colors++; + else { + for (row = FC(1,0) >> 1; row < height; row+=2) + for (col = FC(row,1) & 1; col < width; col+=2) + image[row*width+col][1] = image[row*width+col][3]; + filters &= ~((filters & 0x55555555) << 1); + } + } + if (half_size) filters = 0; +} + +void CLASS border_interpolate (int border) +{ + unsigned row, col, y, x, f, c, sum[8]; + + for (row=0; row < height; row++) + for (col=0; col < width; col++) { + if (col==border && row >= border && row < height-border) + col = width-border; + memset (sum, 0, sizeof sum); + for (y=row-1; y != row+2; y++) + for (x=col-1; x != col+2; x++) + if (y < height && x < width) { + f = fc(y,x); + sum[f] += image[y*width+x][f]; + sum[f+4]++; + } + f = fc(row,col); + FORCC if (c != f && sum[c+4]) + image[row*width+col][c] = sum[c] / sum[c+4]; + } +} + +void CLASS lin_interpolate() +{ + int code[16][16][32], *ip, sum[4]; + int c, i, x, y, row, col, shift, color; + ushort *pix; + + if (verbose) fprintf (stderr,_("Bilinear interpolation...\n")); + + border_interpolate(1); + for (row=0; row < 16; row++) + for (col=0; col < 16; col++) { + ip = code[row][col]; + memset (sum, 0, sizeof sum); + for (y=-1; y <= 1; y++) + for (x=-1; x <= 1; x++) { + shift = (y==0) + (x==0); + if (shift == 2) continue; + color = fc(row+y,col+x); + *ip++ = (width*y + x)*4 + color; + *ip++ = shift; + *ip++ = color; + sum[color] += 1 << shift; + } + FORCC + if (c != fc(row,col)) { + *ip++ = c; + *ip++ = 256 / sum[c]; + } + } + for (row=1; row < height-1; row++) + for (col=1; col < width-1; col++) { + pix = image[row*width+col]; + ip = code[row & 15][col & 15]; + memset (sum, 0, sizeof sum); + for (i=8; i--; ip+=3) + sum[ip[2]] += pix[ip[0]] << ip[1]; + for (i=colors; --i; ip+=2) + pix[ip[0]] = sum[ip[0]] * ip[1] >> 8; + } +} + +/* + This algorithm is officially called: + + "Interpolation using a Threshold-based variable number of gradients" + + described in http://scien.stanford.edu/class/psych221/projects/99/tingchen/algodep/vargra.html + + I've extended the basic idea to work with non-Bayer filter arrays. + Gradients are numbered clockwise from NW=0 to W=7. + */ +void CLASS vng_interpolate() +{ + static const signed char *cp, terms[] = { + -2,-2,+0,-1,0,0x01, -2,-2,+0,+0,1,0x01, -2,-1,-1,+0,0,0x01, + -2,-1,+0,-1,0,0x02, -2,-1,+0,+0,0,0x03, -2,-1,+0,+1,1,0x01, + -2,+0,+0,-1,0,0x06, -2,+0,+0,+0,1,0x02, -2,+0,+0,+1,0,0x03, + -2,+1,-1,+0,0,0x04, -2,+1,+0,-1,1,0x04, -2,+1,+0,+0,0,0x06, + -2,+1,+0,+1,0,0x02, -2,+2,+0,+0,1,0x04, -2,+2,+0,+1,0,0x04, + -1,-2,-1,+0,0,0x80, -1,-2,+0,-1,0,0x01, -1,-2,+1,-1,0,0x01, + -1,-2,+1,+0,1,0x01, -1,-1,-1,+1,0,0x88, -1,-1,+1,-2,0,0x40, + -1,-1,+1,-1,0,0x22, -1,-1,+1,+0,0,0x33, -1,-1,+1,+1,1,0x11, + -1,+0,-1,+2,0,0x08, -1,+0,+0,-1,0,0x44, -1,+0,+0,+1,0,0x11, + -1,+0,+1,-2,1,0x40, -1,+0,+1,-1,0,0x66, -1,+0,+1,+0,1,0x22, + -1,+0,+1,+1,0,0x33, -1,+0,+1,+2,1,0x10, -1,+1,+1,-1,1,0x44, + -1,+1,+1,+0,0,0x66, -1,+1,+1,+1,0,0x22, -1,+1,+1,+2,0,0x10, + -1,+2,+0,+1,0,0x04, -1,+2,+1,+0,1,0x04, -1,+2,+1,+1,0,0x04, + +0,-2,+0,+0,1,0x80, +0,-1,+0,+1,1,0x88, +0,-1,+1,-2,0,0x40, + +0,-1,+1,+0,0,0x11, +0,-1,+2,-2,0,0x40, +0,-1,+2,-1,0,0x20, + +0,-1,+2,+0,0,0x30, +0,-1,+2,+1,1,0x10, +0,+0,+0,+2,1,0x08, + +0,+0,+2,-2,1,0x40, +0,+0,+2,-1,0,0x60, +0,+0,+2,+0,1,0x20, + +0,+0,+2,+1,0,0x30, +0,+0,+2,+2,1,0x10, +0,+1,+1,+0,0,0x44, + +0,+1,+1,+2,0,0x10, +0,+1,+2,-1,1,0x40, +0,+1,+2,+0,0,0x60, + +0,+1,+2,+1,0,0x20, +0,+1,+2,+2,0,0x10, +1,-2,+1,+0,0,0x80, + +1,-1,+1,+1,0,0x88, +1,+0,+1,+2,0,0x08, +1,+0,+2,-1,0,0x40, + +1,+0,+2,+1,0,0x10 + }, chood[] = { -1,-1, -1,0, -1,+1, 0,+1, +1,+1, +1,0, +1,-1, 0,-1 }; + ushort (*brow[5])[4], *pix; + int prow=7, pcol=1, *ip, *code[16][16], gval[8], gmin, gmax, sum[4]; + int row, col, x, y, x1, x2, y1, y2, t, weight, grads, color, diag; + int g, diff, thold, num, c; + + lin_interpolate(); + if (verbose) fprintf (stderr,_("VNG interpolation...\n")); + + if (filters == 1) prow = pcol = 15; + ip = (int *) calloc ((prow+1)*(pcol+1), 1280); + merror (ip, "vng_interpolate()"); + for (row=0; row <= prow; row++) /* Precalculate for VNG */ + for (col=0; col <= pcol; col++) { + code[row][col] = ip; + for (cp=terms, t=0; t < 64; t++) { + y1 = *cp++; x1 = *cp++; + y2 = *cp++; x2 = *cp++; + weight = *cp++; + grads = *cp++; + color = fc(row+y1,col+x1); + if (fc(row+y2,col+x2) != color) continue; + diag = (fc(row,col+1) == color && fc(row+1,col) == color) ? 2:1; + if (abs(y1-y2) == diag && abs(x1-x2) == diag) continue; + *ip++ = (y1*width + x1)*4 + color; + *ip++ = (y2*width + x2)*4 + color; + *ip++ = weight; + for (g=0; g < 8; g++) + if (grads & 1<<g) *ip++ = g; + *ip++ = -1; + } + *ip++ = INT_MAX; + for (cp=chood, g=0; g < 8; g++) { + y = *cp++; x = *cp++; + *ip++ = (y*width + x) * 4; + color = fc(row,col); + if (fc(row+y,col+x) != color && fc(row+y*2,col+x*2) == color) + *ip++ = (y*width + x) * 8 + color; + else + *ip++ = 0; + } + } + brow[4] = (ushort (*)[4]) calloc (width*3, sizeof **brow); + merror (brow[4], "vng_interpolate()"); + for (row=0; row < 3; row++) + brow[row] = brow[4] + row*width; + for (row=2; row < height-2; row++) { /* Do VNG interpolation */ + for (col=2; col < width-2; col++) { + pix = image[row*width+col]; + ip = code[row & prow][col & pcol]; + memset (gval, 0, sizeof gval); + while ((g = ip[0]) != INT_MAX) { /* Calculate gradients */ + diff = ABS(pix[g] - pix[ip[1]]) << ip[2]; + gval[ip[3]] += diff; + ip += 5; + if ((g = ip[-1]) == -1) continue; + gval[g] += diff; + while ((g = *ip++) != -1) + gval[g] += diff; + } + ip++; + gmin = gmax = gval[0]; /* Choose a threshold */ + for (g=1; g < 8; g++) { + if (gmin > gval[g]) gmin = gval[g]; + if (gmax < gval[g]) gmax = gval[g]; + } + if (gmax == 0) { + memcpy (brow[2][col], pix, sizeof *image); + continue; + } + thold = gmin + (gmax >> 1); + memset (sum, 0, sizeof sum); + color = fc(row,col); + for (num=g=0; g < 8; g++,ip+=2) { /* Average the neighbors */ + if (gval[g] <= thold) { + FORCC + if (c == color && ip[1]) + sum[c] += (pix[c] + pix[ip[1]]) >> 1; + else + sum[c] += pix[ip[0] + c]; + num++; + } + } + FORCC { /* Save to buffer */ + t = pix[color]; + if (c != color) + t += (sum[c] - sum[color]) / num; + brow[2][col][c] = CLIP(t); + } + } + if (row > 3) /* Write buffer to image */ + memcpy (image[(row-2)*width+2], brow[0]+2, (width-4)*sizeof *image); + for (g=0; g < 4; g++) + brow[(g-1) & 3] = brow[g]; + } + memcpy (image[(row-2)*width+2], brow[0]+2, (width-4)*sizeof *image); + memcpy (image[(row-1)*width+2], brow[1]+2, (width-4)*sizeof *image); + free (brow[4]); + free (code[0][0]); +} + +/* + Patterned Pixel Grouping Interpolation by Alain Desbiolles +*/ +void CLASS ppg_interpolate() +{ + int gr[4], dir[5] = { 1, width, -1, -width, 1 }; + int row, col, avg, diff[2], guess[2], c, d, i; + static const short sort[] = { 0,2,1,3,0,1,2,3 }; + ushort (*pix)[4]; + + border_interpolate(3); + if (verbose) fprintf (stderr,_("PPG interpolation...\n")); + +/* Fill in the green layer with gradients and pattern recognition: */ + for (row=3; row < height-3; row++) + for (col=3+(FC(row,3) & 1), c=FC(row,col); col < width-3; col+=2) { + pix = image + row*width+col; + for (avg=i=0; i < 4; i++) + avg += gr[i] = pix[dir[i]][1] << 2; + avg >>= 2; + for (i=0; i < 8; i+=2) + if (gr[sort[i]] > gr[sort[i+1]]) + SWAP(gr[sort[i]],gr[sort[i+1]]) + for (d=0; d < 4; d++) { + for (i=-2; i < 2; i++) + if (pix[i*dir[d] + (i+1)*dir[d+1]][1] <= avg) break; + if (i == 2) { + pix[0][1] = (gr[1]+gr[2]) >> 3; + goto next_pixel; + } + } + for (i=0; (d=dir[i]) > 0; i++) { + guess[i] = (pix[-d][1] + pix[0][c] + pix[d][1]) * 2 + - pix[-2*d][c] - pix[2*d][c]; + diff[i] = ( ABS(pix[-2*d][c] - pix[ 0][c]) + + ABS(pix[ 2*d][c] - pix[ 0][c]) + + ABS(pix[ -d][1] - pix[ d][1]) ) * 3 + + ( ABS(pix[ 3*d][1] - pix[ d][1]) + + ABS(pix[-3*d][1] - pix[-d][1]) ) * 2; + } + d = dir[i = diff[0] > diff[1]]; + pix[0][1] = ULIM(guess[i] >> 2, pix[d][1], pix[-d][1]); +next_pixel: ; + } +/* Calculate red and blue for each green pixel: */ + for (row=1; row < height-1; row++) + for (col=1+(FC(row,2) & 1), c=FC(row,col+1); col < width-1; col+=2) { + pix = image + row*width+col; + for (i=0; (d=dir[i]) > 0; c=2-c, i++) + pix[0][c] = CLIP((pix[-d][c] + pix[d][c] + 2*pix[0][1] + - pix[-d][1] - pix[d][1]) >> 1); + } +/* Calculate blue for red pixels and vice versa: */ + for (row=1; row < height-1; row++) + for (col=1+(FC(row,1) & 1), c=2-FC(row,col); col < width-1; col+=2) { + pix = image + row*width+col; + for (i=0; (d=dir[i]+dir[i+1]) > 0; i++) { + diff[i] = ABS(pix[-d][c] - pix[d][c]) + + ABS(pix[-d][1] - pix[0][1]) + + ABS(pix[ d][1] - pix[0][1]); + guess[i] = pix[-d][c] + pix[d][c] + 2*pix[0][1] + - pix[-d][1] - pix[d][1]; + } + if (diff[0] != diff[1]) + pix[0][c] = CLIP(guess[diff[0] > diff[1]] >> 1); + else + pix[0][c] = CLIP((guess[0]+guess[1]) >> 2); + } +} + +/* + Adaptive Homogeneity-Directed interpolation is based on + the work of Keigo Hirakawa, Thomas Parks, and Paul Lee. + */ +#define TS 256 /* Tile Size */ + +void CLASS ahd_interpolate() +{ + int i, j, k, top, left, row, col, tr, tc, c, d, val, hm[2]; + ushort (*pix)[4], (*rix)[3]; + static const int dir[4] = { -1, 1, -TS, TS }; + unsigned ldiff[2][4], abdiff[2][4], leps, abeps; + float r, cbrt[0x10000], xyz[3], xyz_cam[3][4]; + ushort (*rgb)[TS][TS][3]; + short (*lab)[TS][TS][3], (*lix)[3]; + char (*homo)[TS][TS], *buffer; + + if (verbose) fprintf (stderr,_("AHD interpolation...\n")); + + for (i=0; i < 0x10000; i++) { + r = i / 65535.0; + cbrt[i] = r > 0.008856 ? pow(r,1/3.0) : 7.787*r + 16/116.0; + } + for (i=0; i < 3; i++) + for (j=0; j < colors; j++) + for (xyz_cam[i][j] = k=0; k < 3; k++) + xyz_cam[i][j] += xyz_rgb[i][k] * rgb_cam[k][j] / d65_white[i]; + + border_interpolate(5); + buffer = (char *) malloc (26*TS*TS); /* 1664 kB */ + merror (buffer, "ahd_interpolate()"); + rgb = (ushort(*)[TS][TS][3]) buffer; + lab = (short (*)[TS][TS][3])(buffer + 12*TS*TS); + homo = (char (*)[TS][TS]) (buffer + 24*TS*TS); + + for (top=2; top < height-5; top += TS-6) + for (left=2; left < width-5; left += TS-6) { + +/* Interpolate green horizontally and vertically: */ + for (row = top; row < top+TS && row < height-2; row++) { + col = left + (FC(row,left) & 1); + for (c = FC(row,col); col < left+TS && col < width-2; col+=2) { + pix = image + row*width+col; + val = ((pix[-1][1] + pix[0][c] + pix[1][1]) * 2 + - pix[-2][c] - pix[2][c]) >> 2; + rgb[0][row-top][col-left][1] = ULIM(val,pix[-1][1],pix[1][1]); + val = ((pix[-width][1] + pix[0][c] + pix[width][1]) * 2 + - pix[-2*width][c] - pix[2*width][c]) >> 2; + rgb[1][row-top][col-left][1] = ULIM(val,pix[-width][1],pix[width][1]); + } + } +/* Interpolate red and blue, and convert to CIELab: */ + for (d=0; d < 2; d++) + for (row=top+1; row < top+TS-1 && row < height-3; row++) + for (col=left+1; col < left+TS-1 && col < width-3; col++) { + pix = image + row*width+col; + rix = &rgb[d][row-top][col-left]; + lix = &lab[d][row-top][col-left]; + if ((c = 2 - FC(row,col)) == 1) { + c = FC(row+1,col); + val = pix[0][1] + (( pix[-1][2-c] + pix[1][2-c] + - rix[-1][1] - rix[1][1] ) >> 1); + rix[0][2-c] = CLIP(val); + val = pix[0][1] + (( pix[-width][c] + pix[width][c] + - rix[-TS][1] - rix[TS][1] ) >> 1); + } else + val = rix[0][1] + (( pix[-width-1][c] + pix[-width+1][c] + + pix[+width-1][c] + pix[+width+1][c] + - rix[-TS-1][1] - rix[-TS+1][1] + - rix[+TS-1][1] - rix[+TS+1][1] + 1) >> 2); + rix[0][c] = CLIP(val); + c = FC(row,col); + rix[0][c] = pix[0][c]; + xyz[0] = xyz[1] = xyz[2] = 0.5; + FORCC { + xyz[0] += xyz_cam[0][c] * rix[0][c]; + xyz[1] += xyz_cam[1][c] * rix[0][c]; + xyz[2] += xyz_cam[2][c] * rix[0][c]; + } + xyz[0] = cbrt[CLIP((int) xyz[0])]; + xyz[1] = cbrt[CLIP((int) xyz[1])]; + xyz[2] = cbrt[CLIP((int) xyz[2])]; + lix[0][0] = 64 * (116 * xyz[1] - 16); + lix[0][1] = 64 * 500 * (xyz[0] - xyz[1]); + lix[0][2] = 64 * 200 * (xyz[1] - xyz[2]); + } +/* Build homogeneity maps from the CIELab images: */ + memset (homo, 0, 2*TS*TS); + for (row=top+2; row < top+TS-2 && row < height-4; row++) { + tr = row-top; + for (col=left+2; col < left+TS-2 && col < width-4; col++) { + tc = col-left; + for (d=0; d < 2; d++) { + lix = &lab[d][tr][tc]; + for (i=0; i < 4; i++) { + ldiff[d][i] = ABS(lix[0][0]-lix[dir[i]][0]); + abdiff[d][i] = SQR(lix[0][1]-lix[dir[i]][1]) + + SQR(lix[0][2]-lix[dir[i]][2]); + } + } + leps = MIN(MAX(ldiff[0][0],ldiff[0][1]), + MAX(ldiff[1][2],ldiff[1][3])); + abeps = MIN(MAX(abdiff[0][0],abdiff[0][1]), + MAX(abdiff[1][2],abdiff[1][3])); + for (d=0; d < 2; d++) + for (i=0; i < 4; i++) + if (ldiff[d][i] <= leps && abdiff[d][i] <= abeps) + homo[d][tr][tc]++; + } + } +/* Combine the most homogenous pixels for the final result: */ + for (row=top+3; row < top+TS-3 && row < height-5; row++) { + tr = row-top; + for (col=left+3; col < left+TS-3 && col < width-5; col++) { + tc = col-left; + for (d=0; d < 2; d++) + for (hm[d]=0, i=tr-1; i <= tr+1; i++) + for (j=tc-1; j <= tc+1; j++) + hm[d] += homo[d][i][j]; + if (hm[0] != hm[1]) + FORC3 image[row*width+col][c] = rgb[hm[1] > hm[0]][tr][tc][c]; + else + FORC3 image[row*width+col][c] = + (rgb[0][tr][tc][c] + rgb[1][tr][tc][c]) >> 1; + } + } + } + free (buffer); +} +#undef TS + +void CLASS median_filter () +{ + ushort (*pix)[4]; + int pass, c, i, j, k, med[9]; + static const uchar opt[] = /* Optimal 9-element median search */ + { 1,2, 4,5, 7,8, 0,1, 3,4, 6,7, 1,2, 4,5, 7,8, + 0,3, 5,8, 4,7, 3,6, 1,4, 2,5, 4,7, 4,2, 6,4, 4,2 }; + + for (pass=1; pass <= med_passes; pass++) { + if (verbose) + fprintf (stderr,_("Median filter pass %d...\n"), pass); + for (c=0; c < 3; c+=2) { + for (pix = image; pix < image+width*height; pix++) + pix[0][3] = pix[0][c]; + for (pix = image+width; pix < image+width*(height-1); pix++) { + if ((pix-image+1) % width < 2) continue; + for (k=0, i = -width; i <= width; i += width) + for (j = i-1; j <= i+1; j++) + med[k++] = pix[j][3] - pix[j][1]; + for (i=0; i < sizeof opt; i+=2) + if (med[opt[i]] > med[opt[i+1]]) + SWAP (med[opt[i]] , med[opt[i+1]]); + pix[0][c] = CLIP(med[4] + pix[0][1]); + } + } + } +} + +void CLASS blend_highlights() +{ + int clip=INT_MAX, row, col, c, i, j; + static const float trans[2][4][4] = + { { { 1,1,1 }, { 1.7320508,-1.7320508,0 }, { -1,-1,2 } }, + { { 1,1,1,1 }, { 1,-1,1,-1 }, { 1,1,-1,-1 }, { 1,-1,-1,1 } } }; + static const float itrans[2][4][4] = + { { { 1,0.8660254,-0.5 }, { 1,-0.8660254,-0.5 }, { 1,0,1 } }, + { { 1,1,1,1 }, { 1,-1,1,-1 }, { 1,1,-1,-1 }, { 1,-1,-1,1 } } }; + float cam[2][4], lab[2][4], sum[2], chratio; + + if ((unsigned) (colors-3) > 1) return; + if (verbose) fprintf (stderr,_("Blending highlights...\n")); + FORCC if (clip > (i = 65535*pre_mul[c])) clip = i; + for (row=0; row < height; row++) + for (col=0; col < width; col++) { + FORCC if (image[row*width+col][c] > clip) break; + if (c == colors) continue; + FORCC { + cam[0][c] = image[row*width+col][c]; + cam[1][c] = MIN(cam[0][c],clip); + } + for (i=0; i < 2; i++) { + FORCC for (lab[i][c]=j=0; j < colors; j++) + lab[i][c] += trans[colors-3][c][j] * cam[i][j]; + for (sum[i]=0,c=1; c < colors; c++) + sum[i] += SQR(lab[i][c]); + } + chratio = sqrt(sum[1]/sum[0]); + for (c=1; c < colors; c++) + lab[0][c] *= chratio; + FORCC for (cam[0][c]=j=0; j < colors; j++) + cam[0][c] += itrans[colors-3][c][j] * lab[0][j]; + FORCC image[row*width+col][c] = cam[0][c] / colors; + } +} + +#define SCALE (4 >> shrink) +void CLASS recover_highlights() +{ + float *map, sum, wgt, grow; + int hsat[4], count, spread, change, val, i; + unsigned high, wide, mrow, mcol, row, col, kc, c, d, y, x; + ushort *pixel; + static const signed char dir[8][2] = + { {-1,-1}, {-1,0}, {-1,1}, {0,1}, {1,1}, {1,0}, {1,-1}, {0,-1} }; + + if (verbose) fprintf (stderr,_("Rebuilding highlights...\n")); + + grow = pow (2, 4-highlight); + FORCC hsat[c] = 32000 * pre_mul[c]; + for (kc=0, c=1; c < colors; c++) + if (pre_mul[kc] < pre_mul[c]) kc = c; + high = height / SCALE; + wide = width / SCALE; + map = (float *) calloc (high*wide, sizeof *map); + merror (map, "recover_highlights()"); + FORCC if (c != kc) { + memset (map, 0, high*wide*sizeof *map); + for (mrow=0; mrow < high; mrow++) + for (mcol=0; mcol < wide; mcol++) { + sum = wgt = count = 0; + for (row = mrow*SCALE; row < (mrow+1)*SCALE; row++) + for (col = mcol*SCALE; col < (mcol+1)*SCALE; col++) { + pixel = image[row*width+col]; + if (pixel[c] / hsat[c] == 1 && pixel[kc] > 24000) { + sum += pixel[c]; + wgt += pixel[kc]; + count++; + } + } + if (count == SCALE*SCALE) + map[mrow*wide+mcol] = sum / wgt; + } + for (spread = 32/grow; spread--; ) { + for (mrow=0; mrow < high; mrow++) + for (mcol=0; mcol < wide; mcol++) { + if (map[mrow*wide+mcol]) continue; + sum = count = 0; + for (d=0; d < 8; d++) { + y = mrow + dir[d][0]; + x = mcol + dir[d][1]; + if (y < high && x < wide && map[y*wide+x] > 0) { + sum += (1 + (d & 1)) * map[y*wide+x]; + count += 1 + (d & 1); + } + } + if (count > 3) + map[mrow*wide+mcol] = - (sum+grow) / (count+grow); + } + for (change=i=0; i < high*wide; i++) + if (map[i] < 0) { + map[i] = -map[i]; + change = 1; + } + if (!change) break; + } + for (i=0; i < high*wide; i++) + if (map[i] == 0) map[i] = 1; + for (mrow=0; mrow < high; mrow++) + for (mcol=0; mcol < wide; mcol++) { + for (row = mrow*SCALE; row < (mrow+1)*SCALE; row++) + for (col = mcol*SCALE; col < (mcol+1)*SCALE; col++) { + pixel = image[row*width+col]; + if (pixel[c] / hsat[c] > 1) { + val = pixel[kc] * map[mrow*wide+mcol]; + if (pixel[c] < val) pixel[c] = CLIP(val); + } + } + } + } + free (map); +} +#undef SCALE + +void CLASS tiff_get (unsigned base, + unsigned *tag, unsigned *type, unsigned *len, unsigned *save) +{ + *tag = get2(); + *type = get2(); + *len = get4(); + *save = ftell(ifp) + 4; + if (*len * ("11124811248488"[*type < 14 ? *type:0]-'0') > 4) + fseek (ifp, get4()+base, SEEK_SET); +} + +void CLASS parse_thumb_note (int base, unsigned toff, unsigned tlen) +{ + unsigned entries, tag, type, len, save; + + entries = get2(); + while (entries--) { + tiff_get (base, &tag, &type, &len, &save); + if (tag == toff) thumb_offset = get4()+base; + if (tag == tlen) thumb_length = get4(); + fseek (ifp, save, SEEK_SET); + } +} + +int CLASS parse_tiff_ifd (int base); + +void CLASS parse_makernote (int base, int uptag) +{ + 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 } }; + unsigned offset=0, entries, tag, type, len, save, c; + unsigned ver97=0, serial=0, i, wbi=0, wb[4]={0,0,0,0}; + uchar buf97[324], ci, cj, ck; + short sorder=order; + char buf[10]; +/* + The MakerNote might have its own TIFF header (possibly with + its own byte-order!), or it might just be a table. + */ + fread (buf, 1, 10, ifp); + if (!strncmp (buf,"KDK" ,3) || /* these aren't TIFF tables */ + !strncmp (buf,"VER" ,3) || + !strncmp (buf,"IIII",4) || + !strncmp (buf,"MMMM",4)) return; + if (!strncmp (buf,"KC" ,2) || /* Konica KD-400Z, KD-510Z */ + !strncmp (buf,"MLY" ,3)) { /* Minolta DiMAGE G series */ + order = 0x4d4d; + while ((i=ftell(ifp)) < data_offset && i < 16384) { + wb[0] = wb[2]; wb[2] = wb[1]; wb[1] = wb[3]; + wb[3] = get2(); + if (wb[1] == 256 && wb[3] == 256 && + wb[0] > 256 && wb[0] < 640 && wb[2] > 256 && wb[2] < 640) + FORC4 cam_mul[c] = wb[c]; + } + goto quit; + } + if (!strcmp (buf,"Nikon")) { + base = ftell(ifp); + order = get2(); + if (get2() != 42) goto quit; + offset = get4(); + fseek (ifp, offset-8, SEEK_CUR); + } else if (!strcmp (buf,"OLYMPUS")) { + base = ftell(ifp)-10; + fseek (ifp, -2, SEEK_CUR); + order = get2(); get2(); + } else if (!strncmp (buf,"FUJIFILM",8) || + !strncmp (buf,"SONY",4) || + !strcmp (buf,"Panasonic")) { + order = 0x4949; + fseek (ifp, 2, SEEK_CUR); + } else if (!strcmp (buf,"OLYMP") || + !strcmp (buf,"LEICA") || + !strcmp (buf,"Ricoh") || + !strcmp (buf,"EPSON")) + fseek (ifp, -2, SEEK_CUR); + else if (!strcmp (buf,"AOC") || + !strcmp (buf,"QVC")) + fseek (ifp, -4, SEEK_CUR); + else fseek (ifp, -10, SEEK_CUR); + + entries = get2(); + if (entries > 1000) return; + while (entries--) { + tiff_get (base, &tag, &type, &len, &save); + tag |= uptag << 16; + if (tag == 2 && strstr(make,"NIKON")) + iso_speed = (get2(),get2()); + if (tag == 4 && len > 26 && len < 35) { + iso_speed = 50 * pow (2, (get4(),get2())/32.0 - 4); + if ((i=(get2(),get2())) != 0x7fff) + aperture = pow (2, i/64.0); + if ((i=get2()) != 0xffff) + shutter = pow (2, (short) i/-32.0); + wbi = (get2(),get2()); + shot_order = (get2(),get2()); + } + if (tag == 8 && type == 4) + shot_order = get4(); + if (tag == 9 && !strcmp(make,"Canon")) + fread (artist, 64, 1, ifp); + if (tag == 0xc && len == 4) { + cam_mul[0] = getrat(); + cam_mul[2] = getrat(); + } + if (tag == 0x10 && type == 4) + unique_id = get4(); + if (tag == 0x11 && is_raw && !strncmp(make,"NIKON",5)) { + fseek (ifp, get4()+base, SEEK_SET); + parse_tiff_ifd (base); + } + if (tag == 0x14 && len == 2560 && type == 7) { + fseek (ifp, 1248, SEEK_CUR); + goto get2_256; + } + if (tag == 0x15 && type == 2 && is_raw) + fread (model, 64, 1, ifp); + if (strstr(make,"PENTAX")) { + if (tag == 0x1b) tag = 0x1018; + if (tag == 0x1c) tag = 0x1017; + } + if (tag == 0x1d) + while ((c = fgetc(ifp)) && c != EOF) + serial = serial*10 + (isdigit(c) ? c - '0' : c % 10); + if (tag == 0x81 && type == 4) { + data_offset = get4(); + fseek (ifp, data_offset + 41, SEEK_SET); + raw_height = get2() * 2; + raw_width = get2(); + filters = 0x61616161; + } + if (tag == 0x29 && type == 1) { + c = wbi < 18 ? "012347800000005896"[wbi]-'0' : 0; + fseek (ifp, 8 + c*32, SEEK_CUR); + FORC4 cam_mul[c ^ (c >> 1) ^ 1] = get4(); + } + if ((tag == 0x81 && type == 7) || + (tag == 0x100 && type == 7) || + (tag == 0x280 && type == 1)) { + thumb_offset = ftell(ifp); + thumb_length = len; + } + if (tag == 0x88 && type == 4 && (thumb_offset = get4())) + thumb_offset += base; + if (tag == 0x89 && type == 4) + thumb_length = get4(); + if (tag == 0x8c || tag == 0x96) + meta_offset = ftell(ifp); + if (tag == 0x97) { + for (i=0; i < 4; i++) + ver97 = (ver97 << 4) + fgetc(ifp)-'0'; + switch (ver97) { + case 0x100: + fseek (ifp, 68, SEEK_CUR); + FORC4 cam_mul[(c >> 1) | ((c & 1) << 1)] = get2(); + break; + case 0x102: + fseek (ifp, 6, SEEK_CUR); + goto get2_rggb; + case 0x103: + fseek (ifp, 16, SEEK_CUR); + FORC4 cam_mul[c] = get2(); + } + if (ver97 >> 8 == 2) { + if (ver97 != 0x205) fseek (ifp, 280, SEEK_CUR); + fread (buf97, 324, 1, ifp); + } + } + if (tag == 0xa4 && type == 3) { + fseek (ifp, wbi*48, SEEK_CUR); + FORC3 cam_mul[c] = get2(); + } + if (tag == 0xa7 && ver97 >> 8 == 2) { + ci = xlat[0][serial & 0xff]; + cj = xlat[1][fgetc(ifp)^fgetc(ifp)^fgetc(ifp)^fgetc(ifp)]; + ck = 0x60; + for (i=0; i < 324; i++) + buf97[i] ^= (cj += ci * ck++); + FORC4 cam_mul[c ^ (c >> 1)] = + sget2 (buf97 + (ver97 == 0x205 ? 14:6) + c*2); + if (ver97 == 0x209) + FORC4 cam_mul[c ^ (c >> 1) ^ 1] = + sget2 (buf97 + 10 + c*2); + } + if (tag == 0x200 && len == 3) + shot_order = (get4(),get4()); + if (tag == 0x200 && len == 4) + black = (get2()+get2()+get2()+get2())/4; + if (tag == 0x201 && len == 4) + goto get2_rggb; + if (tag == 0x401 && len == 4) { + black = (get4()+get4()+get4()+get4())/4; + } + if (tag == 0xe01) { /* Nikon Capture Note */ + type = order; + order = 0x4949; + fseek (ifp, 22, SEEK_CUR); + for (offset=22; offset+22 < len; offset += 22+i) { + tag = get4(); + fseek (ifp, 14, SEEK_CUR); + i = get4()-4; + if (tag == 0x76a43207) flip = get2(); + else fseek (ifp, i, SEEK_CUR); + } + order = type; + } + if (tag == 0xe80 && len == 256 && type == 7) { + fseek (ifp, 48, SEEK_CUR); + cam_mul[0] = get2() * 508 * 1.078 / 0x10000; + cam_mul[2] = get2() * 382 * 1.173 / 0x10000; + } + if (tag == 0xf00 && type == 7) { + if (len == 614) + fseek (ifp, 176, SEEK_CUR); + else if (len == 734 || len == 1502) + fseek (ifp, 148, SEEK_CUR); + else goto next; + goto get2_256; + } + if ((tag == 0x1011 && len == 9) || tag == 0x20400200) + for (i=0; i < 3; i++) + FORC3 cmatrix[i][c] = ((short) get2()) / 256.0; + if ((tag == 0x1012 || tag == 0x20400600) && len == 4) + for (black = i=0; i < 4; i++) + black += get2() << 2; + if (tag == 0x1017 || tag == 0x20400100) + cam_mul[0] = get2() / 256.0; + if (tag == 0x1018 || tag == 0x20400100) + cam_mul[2] = get2() / 256.0; + if (tag == 0x2011 && len == 2) { +get2_256: + order = 0x4d4d; + cam_mul[0] = get2() / 256.0; + cam_mul[2] = get2() / 256.0; + } + if (tag == 0x2020) + parse_thumb_note (base, 257, 258); + if (tag == 0x2040) + parse_makernote (base, 0x2040); + if (tag == 0xb028) { + fseek (ifp, get4(), SEEK_SET); + parse_thumb_note (base, 136, 137); + } + if (tag == 0x4001 && type == 3) { + i = len == 582 ? 50 : len == 653 ? 68 : 126; + fseek (ifp, i, SEEK_CUR); +get2_rggb: + FORC4 cam_mul[c ^ (c >> 1)] = get2(); + fseek (ifp, 22, SEEK_CUR); + FORC4 sraw_mul[c ^ (c >> 1)] = get2(); + } +next: + fseek (ifp, save, SEEK_SET); + } +quit: + order = sorder; +} + +/* + Since the TIFF DateTime string has no timezone information, + assume that the camera's clock was set to Universal Time. + */ +void CLASS get_timestamp (int reversed) +{ + struct tm t; + char str[20]; + int i; + + str[19] = 0; + if (reversed) + for (i=19; i--; ) str[i] = fgetc(ifp); + else + fread (str, 19, 1, ifp); + memset (&t, 0, sizeof t); + if (sscanf (str, "%d:%d:%d %d:%d:%d", &t.tm_year, &t.tm_mon, + &t.tm_mday, &t.tm_hour, &t.tm_min, &t.tm_sec) != 6) + return; + t.tm_year -= 1900; + t.tm_mon -= 1; + if (mktime(&t) > 0) + timestamp = mktime(&t); +} + +void CLASS parse_exif (int base) +{ + unsigned kodak, entries, tag, type, len, save, c; + double expo; + + kodak = !strncmp(make,"EASTMAN",7); + entries = get2(); + while (entries--) { + tiff_get (base, &tag, &type, &len, &save); + switch (tag) { + case 33434: shutter = getrat(); break; + case 33437: aperture = getrat(); break; + case 34855: iso_speed = get2(); break; + case 36867: + case 36868: get_timestamp(0); break; + case 37377: if ((expo = -getrat()) < 128) + shutter = pow (2, expo); break; + case 37378: aperture = pow (2, getrat()/2); break; + case 37386: focal_len = getrat(); break; + case 37500: parse_makernote (base, 0); break; + case 40962: if (kodak) raw_width = get4(); break; + case 40963: if (kodak) raw_height = get4(); break; + case 41730: + if (get4() == 0x20002) + for (exif_cfa=c=0; c < 8; c+=2) + exif_cfa |= fgetc(ifp) * 0x01010101 << c; + } + fseek (ifp, save, SEEK_SET); + } +} + +void CLASS romm_coeff (float romm_cam[3][3]) +{ + static const float rgb_romm[3][3] = /* ROMM == Kodak ProPhoto */ + { { 2.034193, -0.727420, -0.306766 }, + { -0.228811, 1.231729, -0.002922 }, + { -0.008565, -0.153273, 1.161839 } }; + int i, j, k; + + for (i=0; i < 3; i++) + for (j=0; j < 3; j++) + for (cmatrix[i][j] = k=0; k < 3; k++) + cmatrix[i][j] += rgb_romm[i][k] * romm_cam[k][j]; +} + +void CLASS parse_mos (int offset) +{ + char data[40]; + int skip, from, i, c, neut[4], planes=0, frot=0; + static const char *mod[] = + { "","DCB2","Volare","Cantare","CMost","Valeo 6","Valeo 11","Valeo 22", + "Valeo 11p","Valeo 17","","Aptus 17","Aptus 22","Aptus 75","Aptus 65", + "Aptus 54S","Aptus 65S","Aptus 75S" }; + float romm_cam[3][3]; + + fseek (ifp, offset, SEEK_SET); + while (1) { + if (get4() != 0x504b5453) break; + get4(); + fread (data, 1, 40, ifp); + skip = get4(); + from = ftell(ifp); + if (!strcmp(data,"JPEG_preview_data")) { + thumb_offset = from; + thumb_length = skip; + } + if (!strcmp(data,"icc_camera_profile")) { + profile_offset = from; + profile_length = skip; + } + if (!strcmp(data,"ShootObj_back_type")) { + fscanf (ifp, "%d", &i); + if ((unsigned) i < sizeof mod / sizeof (*mod)) + strcpy (model, mod[i]); + } + if (!strcmp(data,"icc_camera_to_tone_matrix")) { + for (i=0; i < 9; i++) + romm_cam[0][i] = int_to_float(get4()); + romm_coeff (romm_cam); + } + if (!strcmp(data,"CaptProf_color_matrix")) { + for (i=0; i < 9; i++) + fscanf (ifp, "%f", &romm_cam[0][i]); + romm_coeff (romm_cam); + } + if (!strcmp(data,"CaptProf_number_of_planes")) + fscanf (ifp, "%d", &planes); + if (!strcmp(data,"CaptProf_raw_data_rotation")) + fscanf (ifp, "%d", &flip); + if (!strcmp(data,"CaptProf_mosaic_pattern")) + FORC4 { + fscanf (ifp, "%d", &i); + if (i == 1) frot = c ^ (c >> 1); + } + if (!strcmp(data,"ImgProf_rotation_angle")) { + fscanf (ifp, "%d", &i); + flip = i - flip; + } + if (!strcmp(data,"NeutObj_neutrals") && !cam_mul[0]) { + FORC4 fscanf (ifp, "%d", neut+c); + FORC3 cam_mul[c] = (float) neut[0] / neut[c+1]; + } + parse_mos (from); + fseek (ifp, skip+from, SEEK_SET); + } + if (planes) + filters = (planes == 1) * 0x01010101 * + (uchar) "\x94\x61\x16\x49"[(flip/90 + frot) & 3]; +} + +void CLASS linear_table (unsigned len) +{ + int i; + if (len > 0x1000) len = 0x1000; + read_shorts (curve, len); + for (i=len; i < 0x1000; i++) + curve[i] = curve[i-1]; + maximum = curve[0xfff]; +} + +void CLASS parse_kodak_ifd (int base) +{ + unsigned entries, tag, type, len, save; + int i, c, wbi=-2, wbtemp=6500; + float mul[3], num; + + entries = get2(); + if (entries > 1024) return; + while (entries--) { + tiff_get (base, &tag, &type, &len, &save); + if (tag == 1020) wbi = getint(type); + if (tag == 1021 && len == 72) { /* WB set in software */ + fseek (ifp, 40, SEEK_CUR); + FORC3 cam_mul[c] = 2048.0 / get2(); + wbi = -2; + } + if (tag == 2118) wbtemp = getint(type); + if (tag == 2130 + wbi) + FORC3 mul[c] = getreal(type); + if (tag == 2140 + wbi && wbi >= 0) + FORC3 { + for (num=i=0; i < 4; i++) + num += getreal(type) * pow (wbtemp/100.0, i); + cam_mul[c] = 2048 / (num * mul[c]); + } + if (tag == 2317) linear_table (len); + if (tag == 6020) iso_speed = getint(type); + fseek (ifp, save, SEEK_SET); + } +} + +void CLASS parse_minolta (int base); + +int CLASS parse_tiff_ifd (int base) +{ + unsigned entries, tag, type, len, plen=16, save; + int ifd, use_cm=0, cfa, i, j, c, ima_len=0; + char software[64], *cbuf, *cp; + uchar cfa_pat[16], cfa_pc[] = { 0,1,2,3 }, tab[256]; + double dblack, 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; + FILE *sfp; + + 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; + entries = get2(); + if (entries > 512) return 1; + while (entries--) { + tiff_get (base, &tag, &type, &len, &save); + switch (tag) { + case 17: case 18: + if (type == 3 && len == 1) + cam_mul[(tag-17)*2] = get2() / 256.0; + break; + case 23: + if (type == 3) iso_speed = get2(); + break; + case 36: case 37: case 38: + cam_mul[tag-0x24] = get2(); + break; + case 39: + if (len < 50 || cam_mul[0]) break; + fseek (ifp, 12, SEEK_CUR); + FORC3 cam_mul[c] = get2(); + break; + case 46: + if (type != 7 || fgetc(ifp) != 0xff || fgetc(ifp) != 0xd8) break; + thumb_offset = ftell(ifp) - 2; + thumb_length = len; + break; + case 2: case 256: /* ImageWidth */ + tiff_ifd[ifd].width = getint(type); + break; + case 3: case 257: /* ImageHeight */ + tiff_ifd[ifd].height = getint(type); + break; + case 258: /* BitsPerSample */ + tiff_ifd[ifd].samples = len & 7; + tiff_ifd[ifd].bps = get2(); + break; + case 259: /* Compression */ + tiff_ifd[ifd].comp = get2(); + break; + case 262: /* PhotometricInterpretation */ + tiff_ifd[ifd].phint = get2(); + break; + case 270: /* ImageDescription */ + fread (desc, 512, 1, ifp); + break; + case 271: /* Make */ + fgets (make, 64, ifp); + break; + case 272: /* Model */ + fgets (model, 64, ifp); + break; + case 273: /* StripOffset */ + case 513: + tiff_ifd[ifd].offset = get4()+base; + if (!tiff_ifd[ifd].bps) { + fseek (ifp, tiff_ifd[ifd].offset, SEEK_SET); + if (ljpeg_start (&jh, 1)) { + tiff_ifd[ifd].comp = 6; + tiff_ifd[ifd].width = jh.wide << (jh.clrs == 2); + tiff_ifd[ifd].height = jh.high; + tiff_ifd[ifd].bps = jh.bits; + tiff_ifd[ifd].samples = jh.clrs; + } + } + break; + case 274: /* Orientation */ + tiff_ifd[ifd].flip = "50132467"[get2() & 7]-'0'; + break; + case 277: /* SamplesPerPixel */ + tiff_ifd[ifd].samples = getint(type) & 7; + break; + case 279: /* StripByteCounts */ + case 514: + tiff_ifd[ifd].bytes = get4(); + break; + case 305: /* Software */ + fgets (software, 64, ifp); + if (!strncmp(software,"Adobe",5) || + !strncmp(software,"dcraw",5) || + !strncmp(software,"Bibble",6) || + !strncmp(software,"Nikon Scan",10) || + !strcmp (software,"Digital Photo Professional")) + is_raw = 0; + break; + case 306: /* DateTime */ + get_timestamp(0); + break; + case 315: /* Artist */ + fread (artist, 64, 1, ifp); + break; + case 322: /* TileWidth */ + tile_width = getint(type); + break; + case 323: /* TileLength */ + tile_length = getint(type); + break; + case 324: /* TileOffsets */ + tiff_ifd[ifd].offset = len > 1 ? ftell(ifp) : get4(); + if (len == 4) { + load_raw = &CLASS sinar_4shot_load_raw; + is_raw = 5; + } + break; + case 330: /* SubIFDs */ + if (!strcmp(model,"DSLR-A100") && tiff_ifd[ifd].width == 3872) { + data_offset = get4()+base; + ifd++; break; + } + 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 400: + strcpy (make, "Sarnoff"); + maximum = 0xfff; + break; + case 28688: + FORC4 sony_curve[c+1] = get2() >> 2 & 0xfff; + for (i=0; i < 5; i++) + for (j = sony_curve[i]+1; j <= sony_curve[i+1]; j++) + curve[j] = curve[j-1] + (1 << i); + break; + case 29184: sony_offset = get4(); break; + case 29185: sony_length = get4(); break; + case 29217: sony_key = get4(); break; + case 29264: + parse_minolta (ftell(ifp)); + raw_width = 0; + break; + case 29443: + FORC4 cam_mul[c ^ (c < 2)] = get2(); + break; + case 33405: /* Model2 */ + fgets (model2, 64, ifp); + break; + case 33422: /* CFAPattern */ + case 64777: /* Kodak P-series */ + if ((plen=len) > 16) plen = 16; + fread (cfa_pat, 1, plen, ifp); + for (colors=cfa=i=0; i < plen; i++) { + 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; + case 33424: + fseek (ifp, get4()+base, SEEK_SET); + parse_kodak_ifd (base); + break; + case 33434: /* ExposureTime */ + shutter = getrat(); + break; + case 33437: /* FNumber */ + aperture = getrat(); + break; + case 34306: /* Leaf white balance */ + FORC4 cam_mul[c ^ 1] = 4096.0 / get2(); + break; + case 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][c^1]); + if (!use_camera_wb) continue; + num = 0; + FORC4 num += rgb_cam[i][c]; + FORC4 rgb_cam[i][c] /= num; + } + break; + case 34310: /* Leaf metadata */ + parse_mos (ftell(ifp)); + case 34303: + strcpy (make, "Leaf"); + break; + case 34665: /* EXIF tag */ + fseek (ifp, get4()+base, SEEK_SET); + parse_exif (base); + break; + case 34675: /* InterColorProfile */ + case 50831: /* AsShotICCProfile */ + profile_offset = ftell(ifp); + profile_length = len; + break; + case 37122: /* CompressedBitsPerPixel */ + kodak_cbpp = get4(); + break; + case 37386: /* FocalLength */ + focal_len = getrat(); + break; + case 37393: /* ImageNumber */ + shot_order = getint(type); + break; + case 37400: /* old Kodak KDC tag */ + for (raw_color = i=0; i < 3; i++) { + getrat(); + FORC3 rgb_cam[i][c] = getrat(); + } + break; + case 46275: /* Imacon tags */ + strcpy (make, "Imacon"); + data_offset = ftell(ifp); + ima_len = len; + break; + case 46279: + fseek (ifp, 78, 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) { + height = 5444; + width = 7244; + left_margin = 7; + } + fseek (ifp, 52, SEEK_CUR); + FORC3 cam_mul[c] = getreal(11); + fseek (ifp, 114, SEEK_CUR); + flip = (get2() >> 7) * 90; + if (width * height * 6 == ima_len) { + if (flip % 180 == 90) SWAP(width,height); + filters = flip = 0; + } + sprintf (model, "Ixpress %d-Mp", height*width/1000000); + load_raw = &CLASS imacon_full_load_raw; + if (filters) { + if (left_margin & 1) filters = 0x61616161; + load_raw = &CLASS unpacked_load_raw; + } + maximum = 0xffff; + break; + case 50454: /* Sinar tag */ + case 50455: + if (!(cbuf = (char *) malloc(len))) break; + fread (cbuf, 1, len, ifp); + for (cp = cbuf-1; cp && cp < cbuf+len; cp = strchr(cp,'\n')) + if (!strncmp (++cp,"Neutral ",8)) + sscanf (cp+8, "%f %f %f", cam_mul, cam_mul+1, cam_mul+2); + free (cbuf); + break; + case 50459: /* Hasselblad tag */ + i = order; + j = ftell(ifp); + c = tiff_nifds; + order = get2(); + fseek (ifp, j+(get2(),get4()), SEEK_SET); + parse_tiff_ifd (j); + maximum = 0xffff; + tiff_nifds = c; + order = i; + break; + case 50706: /* DNGVersion */ + FORC4 dng_version = (dng_version << 8) + fgetc(ifp); + break; + case 50710: /* CFAPlaneColor */ + if (len > 4) len = 4; + colors = len; + fread (cfa_pc, 1, colors, ifp); +guess_cfa_pc: + FORCC tab[cfa_pc[c]] = c; + cdesc[c] = 0; + for (i=16; i--; ) + filters = filters << 2 | tab[cfa_pat[i % plen]]; + break; + case 50711: /* CFALayout */ + if (get2() == 2) { + fuji_width = 1; + filters = 0x49494949; + } + break; + case 291: + case 50712: /* LinearizationTable */ + linear_table (len); + break; + case 50714: /* BlackLevel */ + case 50715: /* BlackLevelDeltaH */ + case 50716: /* BlackLevelDeltaV */ + for (dblack=i=0; i < len; i++) + dblack += getreal(type); + black += dblack/len + 0.5; + break; + case 50717: /* WhiteLevel */ + maximum = getint(type); + break; + case 50718: /* DefaultScale */ + pixel_aspect = getrat(); + pixel_aspect /= getrat(); + break; + case 50721: /* ColorMatrix1 */ + case 50722: /* ColorMatrix2 */ + FORCC for (j=0; j < 3; j++) + cm[c][j] = getrat(); + use_cm = 1; + break; + case 50723: /* CameraCalibration1 */ + case 50724: /* CameraCalibration2 */ + for (i=0; i < colors; i++) + FORCC cc[i][c] = getrat(); + case 50727: /* AnalogBalance */ + FORCC ab[c] = getrat(); + break; + case 50728: /* AsShotNeutral */ + FORCC asn[c] = getreal(type); + break; + case 50729: /* AsShotWhiteXY */ + xyz[0] = getrat(); + xyz[1] = getrat(); + xyz[2] = 1 - xyz[0] - xyz[1]; + FORC3 xyz[c] /= d65_white[c]; + break; + case 50740: /* DNGPrivateData */ + if (dng_version) break; + parse_minolta (j = get4()+base); + fseek (ifp, j, SEEK_SET); + parse_tiff_ifd (base); + break; + case 50752: + read_shorts (cr2_slice, 3); + break; + case 50829: /* ActiveArea */ + top_margin = getint(type); + left_margin = getint(type); + height = getint(type) - top_margin; + width = getint(type) - left_margin; + break; + case 64772: /* Kodak P-series */ + fseek (ifp, 16, SEEK_CUR); + data_offset = get4(); + fseek (ifp, 28, SEEK_CUR); + data_offset += get4(); + load_raw = &CLASS packed_12_load_raw; + } + fseek (ifp, save, SEEK_SET); + } + if (sony_length && (buf = (unsigned *) malloc(sony_length))) { + fseek (ifp, sony_offset, SEEK_SET); + fread (buf, sony_length, 1, ifp); + sony_decrypt (buf, sony_length/4, 1, sony_key); + sfp = ifp; + if ((ifp = tmpfile())) { + fwrite (buf, sony_length, 1, ifp); + fseek (ifp, 0, SEEK_SET); + parse_tiff_ifd (-sony_offset); + fclose (ifp); + } + ifp = sfp; + free (buf); + } + for (i=0; i < colors; i++) + FORCC cc[i][c] *= ab[i]; + if (use_cm) { + FORCC for (i=0; i < 3; i++) + for (cam_xyz[c][i]=j=0; j < colors; j++) + cam_xyz[c][i] += cc[c][j] * cm[j][i] * xyz[i]; + cam_xyz_coeff (cam_xyz); + } + if (asn[0]) { + cam_mul[3] = 0; + FORCC cam_mul[c] = 1 / asn[c]; + } + if (!use_cm) + FORCC pre_mul[c] /= cc[c][c]; + return 0; +} + +void CLASS parse_tiff (int base) +{ + int doff, max_samp=0, raw=-1, thm=-1, i; + struct jhead jh; + + fseek (ifp, base, SEEK_SET); + order = get2(); + if (order != 0x4949 && order != 0x4d4d) return; + get2(); + memset (tiff_ifd, 0, sizeof tiff_ifd); + tiff_nifds = 0; + while ((doff = get4())) { + fseek (ifp, doff+base, SEEK_SET); + if (parse_tiff_ifd (base)) break; + } + thumb_misc = 16; + if (thumb_offset) { + fseek (ifp, thumb_offset, SEEK_SET); + if (ljpeg_start (&jh, 1)) { + thumb_misc = jh.bits; + thumb_width = jh.wide; + thumb_height = jh.high; + } + } + for (i=0; i < tiff_nifds; i++) { + if (max_samp < tiff_ifd[i].samples) + max_samp = tiff_ifd[i].samples; + if (max_samp > 3) max_samp = 3; + if ((tiff_ifd[i].comp != 6 || tiff_ifd[i].samples != 3) && + tiff_ifd[i].width*tiff_ifd[i].height > raw_width*raw_height) { + raw_width = tiff_ifd[i].width; + raw_height = tiff_ifd[i].height; + tiff_bps = tiff_ifd[i].bps; + tiff_compress = tiff_ifd[i].comp; + data_offset = tiff_ifd[i].offset; + tiff_flip = tiff_ifd[i].flip; + tiff_samples = tiff_ifd[i].samples; + raw = i; + } + } + fuji_width *= (raw_width+1)/2; + if (tiff_ifd[0].flip) tiff_flip = tiff_ifd[0].flip; + if (raw >= 0 && !load_raw) + switch (tiff_compress) { + case 0: case 1: + switch (tiff_bps) { + case 8: load_raw = &CLASS eight_bit_load_raw; break; + case 12: load_raw = &CLASS packed_12_load_raw; + if (!strncmp(make,"NIKON",5)) + load_raw = &CLASS nikon_load_raw; + if (strncmp(make,"PENTAX",6)) break; + case 14: + case 16: load_raw = &CLASS unpacked_load_raw; break; + } + if (tiff_ifd[raw].bytes * 5 == raw_width * raw_height * 8) + load_raw = &CLASS olympus_e300_load_raw; + if (tiff_bps == 12 && tiff_ifd[raw].phint == 2) + load_raw = &CLASS olympus_cseries_load_raw; + break; + case 6: case 7: case 99: + load_raw = &CLASS lossless_jpeg_load_raw; break; + case 262: + load_raw = &CLASS kodak_262_load_raw; break; + case 32767: + load_raw = &CLASS sony_arw2_load_raw; break; + case 32769: + load_raw = &CLASS nikon_load_raw; break; + case 32773: + load_raw = &CLASS packed_12_load_raw; break; + case 34713: + load_raw = &CLASS nikon_compressed_load_raw; break; + case 65535: + load_raw = &CLASS pentax_k10_load_raw; break; + case 65000: + switch (tiff_ifd[raw].phint) { + case 2: load_raw = &CLASS kodak_rgb_load_raw; filters = 0; break; + case 6: load_raw = &CLASS kodak_ycbcr_load_raw; filters = 0; break; + case 32803: load_raw = &CLASS kodak_65000_load_raw; + } + case 32867: break; + default: is_raw = 0; + } + if (!dng_version && tiff_samples == 3) + if (tiff_ifd[raw].bytes && tiff_bps != 14 && tiff_bps != 2048) + is_raw = 0; + if (!dng_version && tiff_bps == 8 && tiff_compress == 1 && + tiff_ifd[raw].phint == 1) is_raw = 0; + for (i=0; i < tiff_nifds; i++) + if (i != raw && tiff_ifd[i].samples == max_samp && + tiff_ifd[i].width * tiff_ifd[i].height / SQR(tiff_ifd[i].bps+1) > + thumb_width * thumb_height / SQR(thumb_misc+1)) { + thumb_width = tiff_ifd[i].width; + thumb_height = tiff_ifd[i].height; + thumb_offset = tiff_ifd[i].offset; + thumb_length = tiff_ifd[i].bytes; + thumb_misc = tiff_ifd[i].bps; + thm = i; + } + if (thm >= 0) { + thumb_misc |= tiff_ifd[thm].samples << 5; + switch (tiff_ifd[thm].comp) { + case 0: + write_thumb = &CLASS layer_thumb; + break; + case 1: + if (tiff_ifd[thm].bps > 8) + thumb_load_raw = &CLASS kodak_thumb_load_raw; + else + write_thumb = &CLASS ppm_thumb; + break; + case 65000: + thumb_load_raw = tiff_ifd[thm].phint == 6 ? + &CLASS kodak_ycbcr_load_raw : &CLASS kodak_rgb_load_raw; + } + } +} + +void CLASS parse_minolta (int base) +{ + int save, tag, len, offset, high=0, wide=0, i, c; + short sorder=order; + + fseek (ifp, base, SEEK_SET); + if (fgetc(ifp) || fgetc(ifp)-'M' || fgetc(ifp)-'R') return; + order = fgetc(ifp) * 0x101; + offset = base + get4() + 8; + while ((save=ftell(ifp)) < offset) { + for (tag=i=0; i < 4; i++) + tag = tag << 8 | fgetc(ifp); + len = get4(); + switch (tag) { + case 0x505244: /* PRD */ + fseek (ifp, 8, SEEK_CUR); + high = get2(); + wide = get2(); + break; + case 0x574247: /* WBG */ + get4(); + i = strstr(model,"A200") ? 3:0; + FORC4 cam_mul[c ^ (c >> 1) ^ i] = get2(); + break; + case 0x545457: /* TTW */ + parse_tiff (ftell(ifp)); + data_offset = offset; + } + fseek (ifp, save+len+8, SEEK_SET); + } + raw_height = high; + raw_width = wide; + order = sorder; +} + +/* + Many cameras have a "debug mode" that writes JPEG and raw + at the same time. The raw file has no header, so try to + to open the matching JPEG file and read its metadata. + */ +void CLASS parse_external_jpeg() +{ + char *file, *ext, *jname, *jfile, *jext; + FILE *save=ifp; + + ext = strrchr (ifname, '.'); + file = strrchr (ifname, '/'); + if (!file) file = strrchr (ifname, '\\'); + if (!file) file = ifname-1; + file++; + if (!ext || strlen(ext) != 4 || ext-file != 8) return; + jname = (char *) malloc (strlen(ifname) + 1); + merror (jname, "parse_external()"); + strcpy (jname, ifname); + jfile = file - ifname + jname; + jext = ext - ifname + jname; + if (strcasecmp (ext, ".jpg")) { + strcpy (jext, isupper(ext[1]) ? ".JPG":".jpg"); + memcpy (jfile, file+4, 4); + memcpy (jfile+4, file, 4); + } else + while (isdigit(*--jext)) { + if (*jext != '9') { + (*jext)++; + break; + } + *jext = '0'; + } + if (strcmp (jname, ifname)) { + if ((ifp = fopen (jname, "rb"))) { + if (verbose) + fprintf (stderr,_("Reading metadata from %s ...\n"), jname); + parse_tiff (12); + thumb_offset = 0; + is_raw = 1; + fclose (ifp); + } + } + if (!timestamp) + fprintf (stderr,_("Failed to read metadata from %s\n"), jname); + free (jname); + ifp = save; +} + +/* + CIFF block 0x1030 contains an 8x8 white sample. + Load this into white[][] for use in scale_colors(). + */ +void CLASS ciff_block_1030() +{ + static const ushort key[] = { 0x410, 0x45f3 }; + int i, bpp, row, col, vbits=0; + unsigned long bitbuf=0; + + if ((get2(),get4()) != 0x80008 || !get4()) return; + bpp = get2(); + if (bpp != 10 && bpp != 12) return; + for (i=row=0; row < 8; row++) + for (col=0; col < 8; col++) { + if (vbits < bpp) { + bitbuf = bitbuf << 16 | (get2() ^ key[i++ & 1]); + vbits += 16; + } + white[row][col] = + bitbuf << (LONG_BIT - vbits) >> (LONG_BIT - bpp); + vbits -= bpp; + } +} + +/* + Parse a CIFF file, better known as Canon CRW format. + */ +void CLASS parse_ciff (int offset, int length) +{ + int tboff, nrecs, c, type, len, save, wbi=-1; + ushort key[] = { 0x410, 0x45f3 }; + + fseek (ifp, offset+length-4, SEEK_SET); + tboff = get4() + offset; + fseek (ifp, tboff, SEEK_SET); + nrecs = get2(); + if (nrecs > 100) return; + while (nrecs--) { + type = get2(); + len = get4(); + save = ftell(ifp) + 4; + fseek (ifp, offset+get4(), SEEK_SET); + if ((((type >> 8) + 8) | 8) == 0x38) + parse_ciff (ftell(ifp), len); /* Parse a sub-table */ + + if (type == 0x0810) + fread (artist, 64, 1, ifp); + if (type == 0x080a) { + fread (make, 64, 1, ifp); + fseek (ifp, strlen(make) - 63, SEEK_CUR); + fread (model, 64, 1, ifp); + } + if (type == 0x1810) { + fseek (ifp, 12, SEEK_CUR); + flip = get4(); + } + if (type == 0x1835) /* Get the decoder table */ + tiff_compress = get4(); + if (type == 0x2007) { + thumb_offset = ftell(ifp); + thumb_length = len; + } + if (type == 0x1818) { + shutter = pow (2, -int_to_float((get4(),get4()))); + aperture = pow (2, int_to_float(get4())/2); + } + if (type == 0x102a) { + iso_speed = pow (2, (get4(),get2())/32.0 - 4) * 50; + aperture = pow (2, (get2(),(short)get2())/64.0); + shutter = pow (2,-((short)get2())/32.0); + wbi = (get2(),get2()); + if (wbi > 17) wbi = 0; + fseek (ifp, 32, SEEK_CUR); + if (shutter > 1e6) shutter = get2()/10.0; + } + if (type == 0x102c) { + if (get2() > 512) { /* Pro90, G1 */ + fseek (ifp, 118, SEEK_CUR); + FORC4 cam_mul[c ^ 2] = get2(); + } else { /* G2, S30, S40 */ + fseek (ifp, 98, SEEK_CUR); + FORC4 cam_mul[c ^ (c >> 1) ^ 1] = get2(); + } + } + if (type == 0x0032) { + if (len == 768) { /* EOS D30 */ + fseek (ifp, 72, SEEK_CUR); + FORC4 cam_mul[c ^ (c >> 1)] = 1024.0 / get2(); + if (!wbi) cam_mul[0] = -1; /* use my auto white balance */ + } else if (!cam_mul[0]) { + if (get2() == key[0]) /* Pro1, G6, S60, S70 */ + c = (strstr(model,"Pro1") ? + "012346000000000000":"01345:000000006008")[wbi]-'0'+ 2; + else { /* G3, G5, S45, S50 */ + c = "023457000000006000"[wbi]-'0'; + key[0] = key[1] = 0; + } + fseek (ifp, 78 + c*8, SEEK_CUR); + FORC4 cam_mul[c ^ (c >> 1) ^ 1] = get2() ^ key[c & 1]; + if (!wbi) cam_mul[0] = -1; + } + } + if (type == 0x10a9) { /* D60, 10D, 300D, and clones */ + if (len > 66) wbi = "0134567028"[wbi]-'0'; + fseek (ifp, 2 + wbi*8, SEEK_CUR); + FORC4 cam_mul[c ^ (c >> 1)] = get2(); + } + if (type == 0x1030 && (0x18040 >> wbi & 1)) + ciff_block_1030(); /* all that don't have 0x10a9 */ + if (type == 0x1031) { + raw_width = (get2(),get2()); + raw_height = get2(); + } + if (type == 0x5029) { + focal_len = len >> 16; + if ((len & 0xffff) == 2) focal_len /= 32; + } + if (type == 0x5813) flash_used = int_to_float(len); + if (type == 0x5814) canon_ev = int_to_float(len); + if (type == 0x5817) shot_order = len; + if (type == 0x5834) unique_id = len; + if (type == 0x580e) timestamp = len; + if (type == 0x180e) timestamp = get4(); +#ifdef LOCALTIME + if ((type | 0x4000) == 0x580e) + timestamp = mktime (gmtime (×tamp)); +#endif + fseek (ifp, save, SEEK_SET); + } +} + +void CLASS parse_rollei() +{ + char line[128], *val; + struct tm t; + + fseek (ifp, 0, SEEK_SET); + memset (&t, 0, sizeof t); + do { + fgets (line, 128, ifp); + if ((val = strchr(line,'='))) + *val++ = 0; + else + val = line + strlen(line); + if (!strcmp(line,"DAT")) + sscanf (val, "%d.%d.%d", &t.tm_mday, &t.tm_mon, &t.tm_year); + if (!strcmp(line,"TIM")) + sscanf (val, "%d:%d:%d", &t.tm_hour, &t.tm_min, &t.tm_sec); + if (!strcmp(line,"HDR")) + thumb_offset = atoi(val); + if (!strcmp(line,"X ")) + raw_width = atoi(val); + if (!strcmp(line,"Y ")) + raw_height = atoi(val); + if (!strcmp(line,"TX ")) + thumb_width = atoi(val); + if (!strcmp(line,"TY ")) + thumb_height = atoi(val); + } while (strncmp(line,"EOHD",4)); + data_offset = thumb_offset + thumb_width * thumb_height * 2; + t.tm_year -= 1900; + t.tm_mon -= 1; + if (mktime(&t) > 0) + timestamp = mktime(&t); + strcpy (make, "Rollei"); + strcpy (model,"d530flex"); + write_thumb = &CLASS rollei_thumb; +} + +void CLASS parse_sinar_ia() +{ + int entries, off; + char str[8], *cp; + + order = 0x4949; + fseek (ifp, 4, SEEK_SET); + entries = get4(); + fseek (ifp, get4(), SEEK_SET); + while (entries--) { + off = get4(); get4(); + fread (str, 8, 1, ifp); + if (!strcmp(str,"META")) meta_offset = off; + if (!strcmp(str,"THUMB")) thumb_offset = off; + if (!strcmp(str,"RAW0")) data_offset = off; + } + fseek (ifp, meta_offset+20, SEEK_SET); + fread (make, 64, 1, ifp); + make[63] = 0; + if ((cp = strchr(make,' '))) { + strcpy (model, cp+1); + *cp = 0; + } + raw_width = get2(); + raw_height = get2(); + load_raw = &CLASS unpacked_load_raw; + thumb_width = (get4(),get2()); + thumb_height = get2(); + write_thumb = &CLASS ppm_thumb; + maximum = 0x3fff; +} + +void CLASS parse_phase_one (int base) +{ + unsigned entries, tag, type, len, data, save, i, c; + float romm_cam[3][3]; + char *cp; + + memset (&ph1, 0, sizeof ph1); + fseek (ifp, base, SEEK_SET); + order = get4() & 0xffff; + if (get4() >> 8 != 0x526177) return; /* "Raw" */ + fseek (ifp, base+get4(), SEEK_SET); + entries = get4(); + get4(); + while (entries--) { + tag = get4(); + type = get4(); + len = get4(); + data = get4(); + save = ftell(ifp); + fseek (ifp, base+data, SEEK_SET); + switch (tag) { + case 0x100: flip = "0653"[data & 3]-'0'; break; + case 0x106: + for (i=0; i < 9; i++) + romm_cam[0][i] = getreal(11); + romm_coeff (romm_cam); + break; + case 0x107: + FORC3 cam_mul[c] = getreal(11); + break; + case 0x108: raw_width = data; break; + case 0x109: raw_height = data; break; + case 0x10a: left_margin = data; break; + case 0x10b: top_margin = data; break; + case 0x10c: width = data; break; + case 0x10d: height = data; break; + case 0x10e: ph1.format = data; break; + case 0x10f: data_offset = data+base; break; + case 0x110: meta_offset = data+base; + meta_length = len; break; + case 0x112: ph1.key_off = save - 4; break; + case 0x210: ph1.tag_210 = int_to_float(data); break; + case 0x21a: ph1.tag_21a = data; break; + case 0x21c: strip_offset = data+base; break; + case 0x21d: ph1.black = data; break; + case 0x222: ph1.split_col = data - left_margin; break; + case 0x223: ph1.black_off = data+base; break; + case 0x301: + model[63] = 0; + fread (model, 1, 63, ifp); + if ((cp = strstr(model," camera"))) *cp = 0; + } + fseek (ifp, save, SEEK_SET); + } + load_raw = ph1.format < 3 ? + &CLASS phase_one_load_raw : &CLASS phase_one_load_raw_c; + maximum = 0xffff; + strcpy (make, "Phase One"); + if (model[0]) return; + switch (raw_height) { + case 2060: strcpy (model,"LightPhase"); break; + case 2682: strcpy (model,"H 10"); break; + case 4128: strcpy (model,"H 20"); break; + case 5488: strcpy (model,"H 25"); break; + } +} + +void CLASS parse_fuji (int offset) +{ + unsigned entries, tag, len, save, c; + + fseek (ifp, offset, SEEK_SET); + entries = get4(); + if (entries > 255) return; + while (entries--) { + tag = get2(); + len = get2(); + save = ftell(ifp); + if (tag == 0x100) { + raw_height = get2(); + raw_width = get2(); + } else if (tag == 0x121) { + height = get2(); + if ((width = get2()) == 4284) width += 3; + } else if (tag == 0x130) + fuji_layout = fgetc(ifp) >> 7; + if (tag == 0x2ff0) + FORC4 cam_mul[c ^ 1] = get2(); + fseek (ifp, save+len, SEEK_SET); + } + height <<= fuji_layout; + width >>= fuji_layout; +} + +int CLASS parse_jpeg (int offset) +{ + int len, save, hlen, mark; + + fseek (ifp, offset, SEEK_SET); + if (fgetc(ifp) != 0xff || fgetc(ifp) != 0xd8) return 0; + + while (fgetc(ifp) == 0xff && (mark = fgetc(ifp)) != 0xda) { + order = 0x4d4d; + len = get2() - 2; + save = ftell(ifp); + if (mark == 0xc0 || mark == 0xc3) { + fgetc(ifp); + raw_height = get2(); + raw_width = get2(); + } + order = get2(); + hlen = get4(); + if (get4() == 0x48454150) /* "HEAP" */ + parse_ciff (save+hlen, len-hlen); + parse_tiff (save+6); + fseek (ifp, save+len, SEEK_SET); + } + return 1; +} + +void CLASS parse_riff() +{ + unsigned i, size, end; + char tag[4], date[64], month[64]; + static const char mon[12][4] = + { "Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec" }; + struct tm t; + + order = 0x4949; + fread (tag, 4, 1, ifp); + size = get4(); + if (!memcmp(tag,"RIFF",4) || !memcmp(tag,"LIST",4)) { + end = ftell(ifp) + size; + get4(); + while (ftell(ifp) < end) + parse_riff(); + } else if (!memcmp(tag,"IDIT",4) && size < 64) { + fread (date, 64, 1, ifp); + date[size] = 0; + memset (&t, 0, sizeof t); + if (sscanf (date, "%*s %s %d %d:%d:%d %d", month, &t.tm_mday, + &t.tm_hour, &t.tm_min, &t.tm_sec, &t.tm_year) == 6) { + for (i=0; i < 12 && strcmp(mon[i],month); i++); + t.tm_mon = i; + t.tm_year -= 1900; + if (mktime(&t) > 0) + timestamp = mktime(&t); + } + } else + fseek (ifp, size, SEEK_CUR); +} + +void CLASS parse_smal (int offset, int fsize) +{ + int ver; + + fseek (ifp, offset+2, SEEK_SET); + order = 0x4949; + ver = fgetc(ifp); + if (ver == 6) + fseek (ifp, 5, SEEK_CUR); + if (get4() != fsize) return; + if (ver > 6) data_offset = get4(); + raw_height = height = get2(); + raw_width = width = get2(); + strcpy (make, "SMaL"); + sprintf (model, "v%d %dx%d", ver, width, height); + if (ver == 6) load_raw = &CLASS smal_v6_load_raw; + if (ver == 9) load_raw = &CLASS smal_v9_load_raw; +} + +void CLASS parse_cine() +{ + unsigned off_head, off_setup, off_image, i; + + order = 0x4949; + fseek (ifp, 4, SEEK_SET); + is_raw = get2() == 2; + fseek (ifp, 14, SEEK_CUR); + is_raw *= get4(); + off_head = get4(); + off_setup = get4(); + off_image = get4(); + timestamp = get4(); + if ((i = get4())) timestamp = i; + fseek (ifp, off_head+4, SEEK_SET); + raw_width = get4(); + raw_height = get4(); + switch (get2(),get2()) { + case 8: load_raw = &CLASS eight_bit_load_raw; break; + case 16: load_raw = &CLASS unpacked_load_raw; + } + fseek (ifp, off_setup+792, SEEK_SET); + strcpy (make, "CINE"); + sprintf (model, "%d", get4()); + fseek (ifp, 12, SEEK_CUR); + switch ((i=get4()) & 0xffffff) { + case 3: filters = 0x94949494; break; + case 4: filters = 0x49494949; break; + default: is_raw = 0; + } + fseek (ifp, 72, SEEK_CUR); + switch ((get4()+3600) % 360) { + case 270: flip = 4; break; + case 180: flip = 1; break; + case 90: flip = 7; break; + case 0: flip = 2; + } + cam_mul[0] = getreal(11); + cam_mul[2] = getreal(11); + maximum = ~(-1 << get4()); + fseek (ifp, 668, SEEK_CUR); + shutter = get4()/1000000000.0; + fseek (ifp, off_image, SEEK_SET); + if (shot_select < is_raw) + fseek (ifp, shot_select*8, SEEK_CUR); + data_offset = (INT64) get4() + 8; + data_offset += (INT64) get4() << 32; +} + +char * CLASS foveon_gets (int offset, char *str, int len) +{ + int i; + fseek (ifp, offset, SEEK_SET); + for (i=0; i < len-1; i++) + if ((str[i] = get2()) == 0) break; + str[i] = 0; + return str; +} + +void CLASS parse_foveon() +{ + int entries, img=0, off, len, tag, save, i, wide, high, pent, poff[256][2]; + char name[64], value[64]; + + order = 0x4949; /* Little-endian */ + fseek (ifp, 36, SEEK_SET); + flip = get4(); + fseek (ifp, -4, SEEK_END); + fseek (ifp, get4(), SEEK_SET); + if (get4() != 0x64434553) return; /* SECd */ + entries = (get4(),get4()); + while (entries--) { + off = get4(); + len = get4(); + tag = get4(); + save = ftell(ifp); + fseek (ifp, off, SEEK_SET); + if (get4() != (0x20434553 | (tag << 24))) return; + switch (tag) { + case 0x47414d49: /* IMAG */ + case 0x32414d49: /* IMA2 */ + fseek (ifp, 12, SEEK_CUR); + wide = get4(); + high = get4(); + if (wide > raw_width && high > raw_height) { + raw_width = wide; + raw_height = high; + data_offset = off+24; + } + fseek (ifp, off+28, SEEK_SET); + if (fgetc(ifp) == 0xff && fgetc(ifp) == 0xd8) { + thumb_offset = off+28; + thumb_length = len-28; + write_thumb = &CLASS jpeg_thumb; + } + if (++img == 2 && !thumb_length) { + thumb_offset = off+24; + thumb_width = wide; + thumb_height = high; + write_thumb = &CLASS foveon_thumb; + } + break; + case 0x464d4143: /* CAMF */ + meta_offset = off+24; + meta_length = len-28; + if (meta_length > 0x20000) + meta_length = 0x20000; + break; + case 0x504f5250: /* PROP */ + pent = (get4(),get4()); + fseek (ifp, 12, SEEK_CUR); + off += pent*8 + 24; + if ((unsigned) pent > 256) pent=256; + for (i=0; i < pent*2; i++) + poff[0][i] = off + get4()*2; + for (i=0; i < pent; i++) { + foveon_gets (poff[i][0], name, 64); + foveon_gets (poff[i][1], value, 64); + if (!strcmp (name, "ISO")) + iso_speed = atoi(value); + if (!strcmp (name, "CAMMANUF")) + strcpy (make, value); + if (!strcmp (name, "CAMMODEL")) + strcpy (model, value); + if (!strcmp (name, "WB_DESC")) + strcpy (model2, value); + if (!strcmp (name, "TIME")) + timestamp = atoi(value); + if (!strcmp (name, "EXPTIME")) + shutter = atoi(value) / 1000000.0; + if (!strcmp (name, "APERTURE")) + aperture = atof(value); + if (!strcmp (name, "FLENGTH")) + focal_len = atof(value); + } +#ifdef LOCALTIME + timestamp = mktime (gmtime (×tamp)); +#endif + } + fseek (ifp, save, SEEK_SET); + } + is_foveon = 1; +} + +/* + Thanks to Adobe for providing these excellent CAM -> XYZ matrices! + */ +void CLASS adobe_coeff (char *make, char *model) +{ + static const struct { + const char *prefix; + short black, trans[12]; + } table[] = { + { "Apple QuickTake", 0, /* DJC */ + { 17576,-3191,-3318,5210,6733,-1942,9031,1280,-124 } }, + { "Canon EOS D2000", 0, + { 24542,-10860,-3401,-1490,11370,-297,2858,-605,3225 } }, + { "Canon EOS D6000", 0, + { 20482,-7172,-3125,-1033,10410,-285,2542,226,3136 } }, + { "Canon EOS D30", 0, + { 9805,-2689,-1312,-5803,13064,3068,-2438,3075,8775 } }, + { "Canon EOS D60", 0, + { 6188,-1341,-890,-7168,14489,2937,-2640,3228,8483 } }, + { "Canon EOS 5D", 0, + { 6347,-479,-972,-8297,15954,2480,-1968,2131,7649 } }, + { "Canon EOS 20Da", 0, + { 14155,-5065,-1382,-6550,14633,2039,-1623,1824,6561 } }, + { "Canon EOS 20D", 0, + { 6599,-537,-891,-8071,15783,2424,-1983,2234,7462 } }, + { "Canon EOS 30D", 0, + { 6257,-303,-1000,-7880,15621,2396,-1714,1904,7046 } }, + { "Canon EOS 40D", 0, + { 6071,-747,-856,-7653,15365,2441,-2025,2553,7315 } }, + { "Canon EOS 350D", 0, + { 6018,-617,-965,-8645,15881,2975,-1530,1719,7642 } }, + { "Canon EOS 400D", 0, + { 7054,-1501,-990,-8156,15544,2812,-1278,1414,7796 } }, + { "Canon EOS-1Ds Mark II", 0, + { 6517,-602,-867,-8180,15926,2378,-1618,1771,7633 } }, + { "Canon EOS-1D Mark II N", 0, + { 6240,-466,-822,-8180,15825,2500,-1801,1938,8042 } }, + { "Canon EOS-1D Mark III", 0, + { 6291,-540,-976,-8350,16145,2311,-1714,1858,7326 } }, + { "Canon EOS-1D Mark II", 0, + { 6264,-582,-724,-8312,15948,2504,-1744,1919,8664 } }, + { "Canon EOS-1DS", 0, + { 4374,3631,-1743,-7520,15212,2472,-2892,3632,8161 } }, + { "Canon EOS-1D", 0, + { 6806,-179,-1020,-8097,16415,1687,-3267,4236,7690 } }, + { "Canon EOS", 0, + { 8197,-2000,-1118,-6714,14335,2592,-2536,3178,8266 } }, + { "Canon PowerShot A50", 0, + { -5300,9846,1776,3436,684,3939,-5540,9879,6200,-1404,11175,217 } }, + { "Canon PowerShot A5", 0, + { -4801,9475,1952,2926,1611,4094,-5259,10164,5947,-1554,10883,547 } }, + { "Canon PowerShot G1", 0, + { -4778,9467,2172,4743,-1141,4344,-5146,9908,6077,-1566,11051,557 } }, + { "Canon PowerShot G2", 0, + { 9087,-2693,-1049,-6715,14382,2537,-2291,2819,7790 } }, + { "Canon PowerShot G3", 0, + { 9212,-2781,-1073,-6573,14189,2605,-2300,2844,7664 } }, + { "Canon PowerShot G5", 0, + { 9757,-2872,-933,-5972,13861,2301,-1622,2328,7212 } }, + { "Canon PowerShot G6", 0, + { 9877,-3775,-871,-7613,14807,3072,-1448,1305,7485 } }, + { "Canon PowerShot G9", 0, + { 10823,-3042,-1842,-4562,13656,900,-1311,1670,3556 } }, + { "Canon PowerShot Pro1", 0, + { 10062,-3522,-999,-7643,15117,2730,-765,817,7323 } }, + { "Canon PowerShot Pro70", 34, + { -4155,9818,1529,3939,-25,4522,-5521,9870,6610,-2238,10873,1342 } }, + { "Canon PowerShot Pro90", 0, + { -4963,9896,2235,4642,-987,4294,-5162,10011,5859,-1770,11230,577 } }, + { "Canon PowerShot S30", 0, + { 10566,-3652,-1129,-6552,14662,2006,-2197,2581,7670 } }, + { "Canon PowerShot S40", 0, + { 8510,-2487,-940,-6869,14231,2900,-2318,2829,9013 } }, + { "Canon PowerShot S45", 0, + { 8163,-2333,-955,-6682,14174,2751,-2077,2597,8041 } }, + { "Canon PowerShot S50", 0, + { 8882,-2571,-863,-6348,14234,2288,-1516,2172,6569 } }, + { "Canon PowerShot S60", 0, + { 8795,-2482,-797,-7804,15403,2573,-1422,1996,7082 } }, + { "Canon PowerShot S70", 0, + { 9976,-3810,-832,-7115,14463,2906,-901,989,7889 } }, + { "Canon PowerShot A610", 0, /* DJC */ + { 15591,-6402,-1592,-5365,13198,2168,-1300,1824,5075 } }, + { "Canon PowerShot A620", 0, /* DJC */ + { 15265,-6193,-1558,-4125,12116,2010,-888,1639,5220 } }, + { "Canon PowerShot A640", 0, /* DJC */ + { 13124,-5329,-1390,-3602,11658,1944,-1612,2863,4885 } }, + { "Canon PowerShot S3 IS", 0, /* DJC */ + { 14062,-5199,-1446,-4712,12470,2243,-1286,2028,4836 } }, + { "CINE 650", 0, + { 3390,480,-500,-800,3610,340,-550,2336,1192 } }, + { "CINE 660", 0, + { 3390,480,-500,-800,3610,340,-550,2336,1192 } }, + { "CINE", 0, + { 20183,-4295,-423,-3940,15330,3985,-280,4870,9800 } }, + { "Contax N Digital", 0, + { 7777,1285,-1053,-9280,16543,2916,-3677,5679,7060 } }, + { "EPSON R-D1", 0, + { 6827,-1878,-732,-8429,16012,2564,-704,592,7145 } }, + { "FUJIFILM FinePix E550", 0, + { 11044,-3888,-1120,-7248,15168,2208,-1531,2277,8069 } }, + { "FUJIFILM FinePix E900", 0, + { 9183,-2526,-1078,-7461,15071,2574,-2022,2440,8639 } }, + { "FUJIFILM FinePix F8", 0, + { 11044,-3888,-1120,-7248,15168,2208,-1531,2277,8069 } }, + { "FUJIFILM FinePix F7", 0, + { 10004,-3219,-1201,-7036,15047,2107,-1863,2565,7736 } }, + { "FUJIFILM FinePix S20Pro", 0, + { 10004,-3219,-1201,-7036,15047,2107,-1863,2565,7736 } }, + { "FUJIFILM FinePix S2Pro", 128, + { 12492,-4690,-1402,-7033,15423,1647,-1507,2111,7697 } }, + { "FUJIFILM FinePix S3Pro", 0, + { 11807,-4612,-1294,-8927,16968,1988,-2120,2741,8006 } }, + { "FUJIFILM FinePix S5Pro", 0, + { 12300,-5110,-1304,-9117,17143,1998,-1947,2448,8100 } }, + { "FUJIFILM FinePix S5000", 0, + { 8754,-2732,-1019,-7204,15069,2276,-1702,2334,6982 } }, + { "FUJIFILM FinePix S5100", 0, + { 11940,-4431,-1255,-6766,14428,2542,-993,1165,7421 } }, + { "FUJIFILM FinePix S5500", 0, + { 11940,-4431,-1255,-6766,14428,2542,-993,1165,7421 } }, + { "FUJIFILM FinePix S5200", 0, + { 9636,-2804,-988,-7442,15040,2589,-1803,2311,8621 } }, + { "FUJIFILM FinePix S5600", 0, + { 9636,-2804,-988,-7442,15040,2589,-1803,2311,8621 } }, + { "FUJIFILM FinePix S6", 0, + { 12628,-4887,-1401,-6861,14996,1962,-2198,2782,7091 } }, + { "FUJIFILM FinePix S7000", 0, + { 10190,-3506,-1312,-7153,15051,2238,-2003,2399,7505 } }, + { "FUJIFILM FinePix S9000", 0, + { 10491,-3423,-1145,-7385,15027,2538,-1809,2275,8692 } }, + { "FUJIFILM FinePix S9500", 0, + { 10491,-3423,-1145,-7385,15027,2538,-1809,2275,8692 } }, + { "FUJIFILM FinePix S9100", 0, + { 12343,-4515,-1285,-7165,14899,2435,-1895,2496,8800 } }, + { "FUJIFILM FinePix S9600", 0, + { 12343,-4515,-1285,-7165,14899,2435,-1895,2496,8800 } }, + { "Imacon Ixpress", 0, /* DJC */ + { 7025,-1415,-704,-5188,13765,1424,-1248,2742,6038 } }, + { "KODAK NC2000", 0, /* DJC */ + { 16475,-6903,-1218,-851,10375,477,2505,-7,1020 } }, + { "Kodak DCS315C", 8, + { 17523,-4827,-2510,756,8546,-137,6113,1649,2250 } }, + { "Kodak DCS330C", 8, + { 20620,-7572,-2801,-103,10073,-396,3551,-233,2220 } }, + { "KODAK DCS420", 0, + { 10868,-1852,-644,-1537,11083,484,2343,628,2216 } }, + { "KODAK DCS460", 0, + { 10592,-2206,-967,-1944,11685,230,2206,670,1273 } }, + { "KODAK EOSDCS1", 0, + { 10592,-2206,-967,-1944,11685,230,2206,670,1273 } }, + { "KODAK EOSDCS3B", 0, + { 9898,-2700,-940,-2478,12219,206,1985,634,1031 } }, + { "Kodak DCS520C", 180, + { 24542,-10860,-3401,-1490,11370,-297,2858,-605,3225 } }, + { "Kodak DCS560C", 188, + { 20482,-7172,-3125,-1033,10410,-285,2542,226,3136 } }, + { "Kodak DCS620C", 180, + { 23617,-10175,-3149,-2054,11749,-272,2586,-489,3453 } }, + { "Kodak DCS620X", 185, + { 13095,-6231,154,12221,-21,-2137,895,4602,2258 } }, + { "Kodak DCS660C", 214, + { 18244,-6351,-2739,-791,11193,-521,3711,-129,2802 } }, + { "Kodak DCS720X", 0, + { 11775,-5884,950,9556,1846,-1286,-1019,6221,2728 } }, + { "Kodak DCS760C", 0, + { 16623,-6309,-1411,-4344,13923,323,2285,274,2926 } }, + { "Kodak DCS Pro SLR", 0, + { 5494,2393,-232,-6427,13850,2846,-1876,3997,5445 } }, + { "Kodak DCS Pro 14nx", 0, + { 5494,2393,-232,-6427,13850,2846,-1876,3997,5445 } }, + { "Kodak DCS Pro 14", 0, + { 7791,3128,-776,-8588,16458,2039,-2455,4006,6198 } }, + { "Kodak ProBack645", 0, + { 16414,-6060,-1470,-3555,13037,473,2545,122,4948 } }, + { "Kodak ProBack", 0, + { 21179,-8316,-2918,-915,11019,-165,3477,-180,4210 } }, + { "KODAK P712", 0, + { 9658,-3314,-823,-5163,12695,2768,-1342,1843,6044 } }, + { "KODAK P850", 0, + { 10511,-3836,-1102,-6946,14587,2558,-1481,1792,6246 } }, + { "KODAK P880", 0, + { 12805,-4662,-1376,-7480,15267,2360,-1626,2194,7904 } }, + { "Leaf CMost", 0, + { 3952,2189,449,-6701,14585,2275,-4536,7349,6536 } }, + { "Leaf Valeo 6", 0, + { 3952,2189,449,-6701,14585,2275,-4536,7349,6536 } }, + { "Leaf Aptus 54S", 0, + { 8236,1746,-1314,-8251,15953,2428,-3673,5786,5771 } }, + { "Leaf Aptus 65", 0, + { 7914,1414,-1190,-8777,16582,2280,-2811,4605,5562 } }, + { "Leaf Aptus 75", 0, + { 7914,1414,-1190,-8777,16582,2280,-2811,4605,5562 } }, + { "Leaf", 0, + { 8236,1746,-1314,-8251,15953,2428,-3673,5786,5771 } }, + { "Mamiya ZD", 0, + { 7645,2579,-1363,-8689,16717,2015,-3712,5941,5961 } }, + { "Micron 2010", 110, /* DJC */ + { 16695,-3761,-2151,155,9682,163,3433,951,4904 } }, + { "Minolta DiMAGE 5", 0, + { 8983,-2942,-963,-6556,14476,2237,-2426,2887,8014 } }, + { "Minolta DiMAGE 7Hi", 0, + { 11368,-3894,-1242,-6521,14358,2339,-2475,3056,7285 } }, + { "Minolta DiMAGE 7", 0, + { 9144,-2777,-998,-6676,14556,2281,-2470,3019,7744 } }, + { "Minolta DiMAGE A1", 0, + { 9274,-2547,-1167,-8220,16323,1943,-2273,2720,8340 } }, + { "MINOLTA DiMAGE A200", 0, + { 8560,-2487,-986,-8112,15535,2771,-1209,1324,7743 } }, + { "Minolta DiMAGE A2", 0, + { 9097,-2726,-1053,-8073,15506,2762,-966,981,7763 } }, + { "Minolta DiMAGE Z2", 0, /* DJC */ + { 11280,-3564,-1370,-4655,12374,2282,-1423,2168,5396 } }, + { "MINOLTA DYNAX 5", 0, + { 10284,-3283,-1086,-7957,15762,2316,-829,882,6644 } }, + { "MINOLTA DYNAX 7", 0, + { 10239,-3104,-1099,-8037,15727,2451,-927,925,6871 } }, + { "NIKON D100", 0, + { 5902,-933,-782,-8983,16719,2354,-1402,1455,6464 } }, + { "NIKON D1H", 0, + { 7577,-2166,-926,-7454,15592,1934,-2377,2808,8606 } }, + { "NIKON D1X", 0, + { 7702,-2245,-975,-9114,17242,1875,-2679,3055,8521 } }, + { "NIKON D1", 0, /* multiplied by 2.218750, 1.0, 1.148438 */ + { 16772,-4726,-2141,-7611,15713,1972,-2846,3494,9521 } }, + { "NIKON D2H", 0, + { 5710,-901,-615,-8594,16617,2024,-2975,4120,6830 } }, + { "NIKON D2X", 0, + { 10231,-2769,-1255,-8301,15900,2552,-797,680,7148 } }, + { "NIKON D40X", 0, + { 8819,-2543,-911,-9025,16928,2151,-1329,1213,8449 } }, + { "NIKON D40", 0, + { 6992,-1668,-806,-8138,15748,2543,-874,850,7897 } }, + { "NIKON D50", 0, + { 7732,-2422,-789,-8238,15884,2498,-859,783,7330 } }, + { "NIKON D70", 0, + { 7732,-2422,-789,-8238,15884,2498,-859,783,7330 } }, + { "NIKON D80", 0, + { 8629,-2410,-883,-9055,16940,2171,-1490,1363,8520 } }, + { "NIKON D200", 0, + { 8367,-2248,-763,-8758,16447,2422,-1527,1550,8053 } }, + { "NIKON D300", 0, + { 9030,-1992,-715,-8465,16302,2255,-2689,3217,8069 } }, + { "NIKON D3", 0, + { 8139,-2171,-663,-8747,16541,2295,-1925,2008,8093 } }, + { "NIKON E950", 0, /* DJC */ + { -3746,10611,1665,9621,-1734,2114,-2389,7082,3064,3406,6116,-244 } }, + { "NIKON E995", 0, /* copied from E5000 */ + { -5547,11762,2189,5814,-558,3342,-4924,9840,5949,688,9083,96 } }, + { "NIKON E2500", 0, + { -5547,11762,2189,5814,-558,3342,-4924,9840,5949,688,9083,96 } }, + { "NIKON E4300", 0, /* copied from Minolta DiMAGE Z2 */ + { 11280,-3564,-1370,-4655,12374,2282,-1423,2168,5396 } }, + { "NIKON E4500", 0, + { -5547,11762,2189,5814,-558,3342,-4924,9840,5949,688,9083,96 } }, + { "NIKON E5000", 0, + { -5547,11762,2189,5814,-558,3342,-4924,9840,5949,688,9083,96 } }, + { "NIKON E5400", 0, + { 9349,-2987,-1001,-7919,15766,2266,-2098,2680,6839 } }, + { "NIKON E5700", 0, + { -5368,11478,2368,5537,-113,3148,-4969,10021,5782,778,9028,211 } }, + { "NIKON E8400", 0, + { 7842,-2320,-992,-8154,15718,2599,-1098,1342,7560 } }, + { "NIKON E8700", 0, + { 8489,-2583,-1036,-8051,15583,2643,-1307,1407,7354 } }, + { "NIKON E8800", 0, + { 7971,-2314,-913,-8451,15762,2894,-1442,1520,7610 } }, + { "OLYMPUS C5050", 0, + { 10508,-3124,-1273,-6079,14294,1901,-1653,2306,6237 } }, + { "OLYMPUS C5060", 0, + { 10445,-3362,-1307,-7662,15690,2058,-1135,1176,7602 } }, + { "OLYMPUS C7070", 0, + { 10252,-3531,-1095,-7114,14850,2436,-1451,1723,6365 } }, + { "OLYMPUS C70", 0, + { 10793,-3791,-1146,-7498,15177,2488,-1390,1577,7321 } }, + { "OLYMPUS C80", 0, + { 8606,-2509,-1014,-8238,15714,2703,-942,979,7760 } }, + { "OLYMPUS E-10", 0, + { 12745,-4500,-1416,-6062,14542,1580,-1934,2256,6603 } }, + { "OLYMPUS E-1", 0, + { 11846,-4767,-945,-7027,15878,1089,-2699,4122,8311 } }, + { "OLYMPUS E-20", 0, + { 13173,-4732,-1499,-5807,14036,1895,-2045,2452,7142 } }, + { "OLYMPUS E-300", 0, + { 7828,-1761,-348,-5788,14071,1830,-2853,4518,6557 } }, + { "OLYMPUS E-330", 0, + { 8961,-2473,-1084,-7979,15990,2067,-2319,3035,8249 } }, + { "OLYMPUS E-3", 0, + { 9487,-2875,-1115,-7533,15606,2010,-1618,2100,7389 } }, + { "OLYMPUS E-400", 0, + { 6169,-1483,-21,-7107,14761,2536,-2904,3580,8568 } }, + { "OLYMPUS E-410", 0, + { 8856,-2582,-1026,-7761,15766,2082,-2009,2575,7469 } }, + { "OLYMPUS E-500", 0, + { 8136,-1968,-299,-5481,13742,1871,-2556,4205,6630 } }, + { "OLYMPUS E-510", 0, + { 8785,-2529,-1033,-7639,15624,2112,-1783,2300,7817 } }, + { "OLYMPUS SP350", 0, + { 12078,-4836,-1069,-6671,14306,2578,-786,939,7418 } }, + { "OLYMPUS SP3", 0, + { 11766,-4445,-1067,-6901,14421,2707,-1029,1217,7572 } }, + { "OLYMPUS SP500UZ", 0, + { 9493,-3415,-666,-5211,12334,3260,-1548,2262,6482 } }, + { "OLYMPUS SP510UZ", 0, + { 10593,-3607,-1010,-5881,13127,3084,-1200,1805,6721 } }, + { "OLYMPUS SP550UZ", 0, + { 11597,-4006,-1049,-5432,12799,2957,-1029,1750,6516 } }, + { "PENTAX *ist DL2", 0, + { 10504,-2438,-1189,-8603,16207,2531,-1022,863,12242 } }, + { "PENTAX *ist DL", 0, + { 10829,-2838,-1115,-8339,15817,2696,-837,680,11939 } }, + { "PENTAX *ist DS2", 0, + { 10504,-2438,-1189,-8603,16207,2531,-1022,863,12242 } }, + { "PENTAX *ist DS", 0, + { 10371,-2333,-1206,-8688,16231,2602,-1230,1116,11282 } }, + { "PENTAX *ist D", 0, + { 9651,-2059,-1189,-8881,16512,2487,-1460,1345,10687 } }, + { "PENTAX K10D", 0, + { 9566,-2863,-803,-7170,15172,2112,-818,803,9705 } }, + { "PENTAX K1", 0, + { 11095,-3157,-1324,-8377,15834,2720,-1108,947,11688 } }, + { "Panasonic DMC-FZ8", 0, + { 8986,-2755,-802,-6341,13575,3077,-1476,2144,6379 } }, + { "Panasonic DMC-FZ18", 0, + { 9932,-3060,-935,-5809,13331,2753,-1267,2155,5575 } }, + { "Panasonic DMC-FZ30", 0, + { 10976,-4029,-1141,-7918,15491,2600,-1670,2071,8246 } }, + { "Panasonic DMC-FZ50", 0, /* aka "LEICA V-LUX1" */ + { 7906,-2709,-594,-6231,13351,3220,-1922,2631,6537 } }, + { "Panasonic DMC-L1", 0, /* aka "LEICA DIGILUX 3" */ + { 8054,-1885,-1025,-8349,16367,2040,-2805,3542,7629 } }, + { "Panasonic DMC-LC1", 0, /* aka "LEICA DIGILUX 2" */ + { 11340,-4069,-1275,-7555,15266,2448,-2960,3426,7685 } }, + { "Panasonic DMC-LX1", 0, /* aka "LEICA D-LUX2" */ + { 10704,-4187,-1230,-8314,15952,2501,-920,945,8927 } }, + { "Panasonic DMC-LX2", 0, /* aka "LEICA D-LUX3" */ + { 8048,-2810,-623,-6450,13519,3272,-1700,2146,7049 } }, + { "Phase One H 20", 0, /* DJC */ + { 1313,1855,-109,-6715,15908,808,-327,1840,6020 } }, + { "Phase One P 2", 0, + { 2905,732,-237,-8134,16626,1476,-3038,4253,7517 } }, + { "Phase One P 30", 0, + { 4516,-245,-37,-7020,14976,2173,-3206,4671,7087 } }, + { "Phase One P 45", 0, + { 5053,-24,-117,-5684,14076,1702,-2619,4492,5849 } }, + { "SAMSUNG GX-1", 0, + { 10504,-2438,-1189,-8603,16207,2531,-1022,863,12242 } }, + { "Sinar", 0, /* DJC */ + { 16442,-2956,-2422,-2877,12128,750,-1136,6066,4559 } }, + { "SONY DSC-F828", 491, + { 7924,-1910,-777,-8226,15459,2998,-1517,2199,6818,-7242,11401,3481 } }, + { "SONY DSC-R1", 512, + { 8512,-2641,-694,-8042,15670,2526,-1821,2117,7414 } }, + { "SONY DSC-V3", 0, + { 7511,-2571,-692,-7894,15088,3060,-948,1111,8128 } }, + { "SONY DSLR-A100", 0, + { 9437,-2811,-774,-8405,16215,2290,-710,596,7181 } }, + { "SONY DSLR-A700", 254, + { 5775,-805,-359,-8574,16295,2391,-1943,2341,7249 } } + }; + double cam_xyz[4][3]; + char name[130]; + int i, j; + + sprintf (name, "%s %s", make, model); + for (i=0; i < sizeof table / sizeof *table; i++) + if (!strncmp (name, table[i].prefix, strlen(table[i].prefix))) { + if (table[i].black) + black = table[i].black; + for (j=0; j < 12; j++) + cam_xyz[0][j] = table[i].trans[j] / 10000.0; + cam_xyz_coeff (cam_xyz); + break; + } +} + +void CLASS simple_coeff (int index) +{ + static const float table[][12] = { + /* index 0 -- all Foveon cameras */ + { 1.4032,-0.2231,-0.1016,-0.5263,1.4816,0.017,-0.0112,0.0183,0.9113 }, + /* index 1 -- Kodak DC20 and DC25 */ + { 2.25,0.75,-1.75,-0.25,-0.25,0.75,0.75,-0.25,-0.25,-1.75,0.75,2.25 }, + /* index 2 -- Logitech Fotoman Pixtura */ + { 1.893,-0.418,-0.476,-0.495,1.773,-0.278,-1.017,-0.655,2.672 }, + /* index 3 -- Nikon E880, E900, and E990 */ + { -1.936280, 1.800443, -1.448486, 2.584324, + 1.405365, -0.524955, -0.289090, 0.408680, + -1.204965, 1.082304, 2.941367, -1.818705 } + }; + int i, c; + + for (raw_color = i=0; i < 3; i++) + FORCC rgb_cam[i][c] = table[index][i*colors+c]; +} + +short CLASS guess_byte_order (int words) +{ + uchar test[4][2]; + int t=2, msb; + double diff, sum[2] = {0,0}; + + fread (test[0], 2, 2, ifp); + for (words-=2; words--; ) { + fread (test[t], 2, 1, ifp); + for (msb=0; msb < 2; msb++) { + diff = (test[t^2][msb] << 8 | test[t^2][!msb]) + - (test[t ][msb] << 8 | test[t ][!msb]); + sum[msb] += diff*diff; + } + t = (t+1) & 3; + } + return sum[0] < sum[1] ? 0x4d4d : 0x4949; +} + +/* + Identify which camera created this file, and set global variables + accordingly. + */ +void CLASS identify() +{ + char head[32], *cp; + unsigned hlen, fsize, i, c, is_canon; + struct jhead jh; + static const struct { + int fsize; + char make[12], model[19], withjpeg; + } table[] = { + { 62464, "Kodak", "DC20" ,0 }, + { 124928, "Kodak", "DC20" ,0 }, + { 1652736, "Kodak", "DCS200" ,0 }, + { 4159302, "Kodak", "C330" ,0 }, + { 4162462, "Kodak", "C330" ,0 }, + { 311696, "ST Micro", "STV680 VGA" ,0 }, /* SPYz */ + { 614400, "Kodak", "KAI-0340" ,0 }, + { 787456, "Creative", "PC-CAM 600" ,0 }, + { 1138688, "Minolta", "RD175" ,0 }, + { 3840000, "Foculus", "531C" ,0 }, + { 786432, "AVT", "F-080C" ,0 }, + { 1447680, "AVT", "F-145C" ,0 }, + { 1920000, "AVT", "F-201C" ,0 }, + { 5067304, "AVT", "F-510C" ,0 }, + { 10134608, "AVT", "F-510C" ,0 }, + { 16157136, "AVT", "F-810C" ,0 }, + { 1409024, "Sony", "XCD-SX910CR",0 }, + { 2818048, "Sony", "XCD-SX910CR",0 }, + { 3884928, "Micron", "2010" ,0 }, + { 6624000, "Pixelink", "A782" ,0 }, + { 13248000, "Pixelink", "A782" ,0 }, + { 6291456, "RoverShot","3320AF" ,0 }, + { 6573120, "Canon", "PowerShot A610",0 }, + { 9219600, "Canon", "PowerShot A620",0 }, + { 10383120, "Canon", "PowerShot A630",0 }, + { 12945240, "Canon", "PowerShot A640",0 }, + { 7710960, "Canon", "PowerShot S3 IS",0 }, + { 5939200, "OLYMPUS", "C770UZ" ,0 }, + { 1581060, "NIKON", "E900" ,1 }, /* or E900s,E910 */ + { 2465792, "NIKON", "E950" ,1 }, /* or E800,E700 */ + { 2940928, "NIKON", "E2100" ,1 }, /* or E2500 */ + { 4771840, "NIKON", "E990" ,1 }, /* or E995, Oly C3030Z */ + { 4775936, "NIKON", "E3700" ,1 }, /* or Optio 33WR */ + { 5869568, "NIKON", "E4300" ,1 }, /* or DiMAGE Z2 */ + { 5865472, "NIKON", "E4500" ,1 }, + { 7438336, "NIKON", "E5000" ,1 }, /* or E5700 */ + { 8998912, "NIKON", "COOLPIX S6" ,1 }, + { 1976352, "CASIO", "QV-2000UX" ,1 }, + { 3217760, "CASIO", "QV-3*00EX" ,1 }, + { 6218368, "CASIO", "QV-5700" ,1 }, + { 6054400, "CASIO", "QV-R41" ,1 }, + { 7530816, "CASIO", "QV-R51" ,1 }, + { 7684000, "CASIO", "QV-4000" ,1 }, + { 4948608, "CASIO", "EX-S100" ,1 }, + { 7542528, "CASIO", "EX-Z50" ,1 }, + { 7753344, "CASIO", "EX-Z55" ,1 }, + { 7426656, "CASIO", "EX-P505" ,1 }, + { 9313536, "CASIO", "EX-P600" ,1 }, + { 10979200, "CASIO", "EX-P700" ,1 }, + { 3178560, "PENTAX", "Optio S" ,1 }, + { 4841984, "PENTAX", "Optio S" ,1 }, + { 6114240, "PENTAX", "Optio S4" ,1 }, /* or S4i, CASIO EX-Z4 */ + { 10702848, "PENTAX", "Optio 750Z" ,1 }, + { 12582980, "Sinar", "" ,0 }, + { 33292868, "Sinar", "" ,0 }, + { 44390468, "Sinar", "" ,0 } }; + static const char *corp[] = + { "Canon", "NIKON", "EPSON", "KODAK", "Kodak", "OLYMPUS", "PENTAX", + "MINOLTA", "Minolta", "Konica", "CASIO", "Sinar", "Phase One", + "SAMSUNG", "Mamiya" }; + + tiff_flip = flip = filters = -1; /* 0 is valid, so -1 is unknown */ + raw_height = raw_width = fuji_width = fuji_layout = cr2_slice[0] = 0; + maximum = height = width = top_margin = left_margin = 0; + cdesc[0] = desc[0] = artist[0] = make[0] = model[0] = model2[0] = 0; + iso_speed = shutter = aperture = focal_len = unique_id = 0; + memset (white, 0, sizeof white); + thumb_offset = thumb_length = thumb_width = thumb_height = 0; + load_raw = thumb_load_raw = 0; + write_thumb = &CLASS jpeg_thumb; + data_offset = meta_length = tiff_bps = tiff_compress = 0; + kodak_cbpp = zero_after_ff = dng_version = 0; + timestamp = shot_order = tiff_samples = black = is_foveon = 0; + mix_green = profile_length = data_error = zero_is_bad = 0; + pixel_aspect = is_raw = raw_color = use_gamma = 1; + tile_width = tile_length = INT_MAX; + for (i=0; i < 4; i++) { + cam_mul[i] = i == 1; + pre_mul[i] = i < 3; + FORC3 cmatrix[c][i] = 0; + FORC3 rgb_cam[c][i] = c == i; + } + colors = 3; + tiff_bps = 12; + for (i=0; i < 0x4000; i++) curve[i] = i; + + order = get2(); + hlen = get4(); + fseek (ifp, 0, SEEK_SET); + fread (head, 1, 32, ifp); + fseek (ifp, 0, SEEK_END); + fsize = ftell(ifp); + if ((cp = (char *) memmem (head, 32, "MMMM", 4)) || + (cp = (char *) memmem (head, 32, "IIII", 4))) { + parse_phase_one (cp-head); + if (cp-head) parse_tiff(0); + } else if (order == 0x4949 || order == 0x4d4d) { + if (!memcmp (head+6,"HEAPCCDR",8)) { + data_offset = hlen; + parse_ciff (hlen, fsize - hlen); + } else { + parse_tiff(0); + } + } else if (!memcmp (head,"\xff\xd8\xff\xe1",4) && + !memcmp (head+6,"Exif",4)) { + fseek (ifp, 4, SEEK_SET); + data_offset = 4 + get2(); + fseek (ifp, data_offset, SEEK_SET); + if (fgetc(ifp) != 0xff) + parse_tiff(12); + thumb_offset = 0; + } else if (!memcmp (head+25,"ARECOYK",7)) { + strcpy (make, "Contax"); + strcpy (model,"N Digital"); + fseek (ifp, 33, SEEK_SET); + get_timestamp(1); + fseek (ifp, 60, SEEK_SET); + FORC4 cam_mul[c ^ (c >> 1)] = get4(); + } else if (!strcmp (head, "PXN")) { + strcpy (make, "Logitech"); + strcpy (model,"Fotoman Pixtura"); + } else if (!strcmp (head, "qktk")) { + strcpy (make, "Apple"); + strcpy (model,"QuickTake 100"); + } else if (!strcmp (head, "qktn")) { + strcpy (make, "Apple"); + strcpy (model,"QuickTake 150"); + } else if (!memcmp (head,"FUJIFILM",8)) { + fseek (ifp, 84, SEEK_SET); + thumb_offset = get4(); + thumb_length = get4(); + fseek (ifp, 92, SEEK_SET); + parse_fuji (get4()); + if (thumb_offset > 120) { + fseek (ifp, 120, SEEK_SET); + is_raw += (i = get4()) && 1; + if (is_raw == 2 && shot_select) + parse_fuji (i); + } + fseek (ifp, 100, SEEK_SET); + data_offset = get4(); + parse_tiff (thumb_offset+12); + } else if (!memcmp (head,"RIFF",4)) { + fseek (ifp, 0, SEEK_SET); + parse_riff(); + } else if (!memcmp (head,"DSC-Image",9)) + parse_rollei(); + else if (!memcmp (head,"PWAD",4)) + parse_sinar_ia(); + else if (!memcmp (head,"\0MRM",4)) + parse_minolta(0); + else if (!memcmp (head,"FOVb",4)) + parse_foveon(); + else if (!memcmp (head,"CI",2)) + parse_cine(); + else + for (i=0; i < sizeof table / sizeof *table; i++) + if (fsize == table[i].fsize) { + strcpy (make, table[i].make ); + strcpy (model, table[i].model); + if (table[i].withjpeg) + parse_external_jpeg(); + } + if (make[0] == 0) parse_smal (0, fsize); + if (make[0] == 0) parse_jpeg (is_raw = 0); + + for (i=0; i < sizeof corp / sizeof *corp; i++) + if (strstr (make, corp[i])) /* Simplify company names */ + strcpy (make, corp[i]); + if (!strncmp (make,"KODAK",5)) + make[16] = model[16] = 0; + cp = make + strlen(make); /* Remove trailing spaces */ + while (*--cp == ' ') *cp = 0; + cp = model + strlen(model); + while (*--cp == ' ') *cp = 0; + i = strlen(make); /* Remove make from model */ + if (!strncasecmp (model, make, i) && model[i++] == ' ') + memmove (model, model+i, 64-i); + if (!strncmp (model,"Digital Camera ",15)) + strcpy (model, model+15); + desc[511] = artist[63] = make[63] = model[63] = model2[63] = 0; + if (!is_raw) goto notraw; + + if (!maximum) maximum = (1 << tiff_bps) - 1; + if (!height) height = raw_height; + if (!width) width = raw_width; + if (fuji_width) { + width = height + fuji_width; + height = width - 1; + pixel_aspect = 1; + } + if (height == 2624 && width == 3936) { /* Pentax K10D and Samsung GX10 */ + height = 2616; + width = 3896; + } + if (dng_version) { + if (filters == UINT_MAX) filters = 0; + if (filters) is_raw = tiff_samples; + else colors = tiff_samples; + if (tiff_compress == 1) + load_raw = &CLASS adobe_dng_load_raw_nc; + if (tiff_compress == 7) + load_raw = &CLASS adobe_dng_load_raw_lj; + goto dng_skip; + } + if ((is_canon = !strcmp(make,"Canon"))) { + load_raw = memcmp (head+6,"HEAPCCDR",8) ? + &CLASS lossless_jpeg_load_raw : &CLASS canon_compressed_load_raw; + maximum = 0xfff; + } + if (!strcmp(make,"NIKON") && !load_raw) + load_raw = &CLASS nikon_load_raw; + +/* Set parameters based on camera name (for non-DNG files). */ + + if (is_foveon) { + if (height*2 < width) pixel_aspect = 0.5; + if (height > width) pixel_aspect = 2; + filters = 0; + load_raw = &CLASS foveon_load_raw; + simple_coeff(0); + } else if (is_canon && tiff_samples == 4) { + filters = 0; + load_raw = &CLASS canon_sraw_load_raw; + } else if (!strcmp(model,"PowerShot 600")) { + height = 613; + width = 854; + raw_width = 896; + pixel_aspect = 607/628.0; + colors = 4; + filters = 0xe1e4e1e4; + load_raw = &CLASS canon_600_load_raw; + } else if (!strcmp(model,"PowerShot A5") || + !strcmp(model,"PowerShot A5 Zoom")) { + height = 773; + width = 960; + raw_width = 992; + pixel_aspect = 256/235.0; + colors = 4; + filters = 0x1e4e1e4e; + load_raw = &CLASS canon_a5_load_raw; + } else if (!strcmp(model,"PowerShot A50")) { + height = 968; + width = 1290; + raw_width = 1320; + colors = 4; + filters = 0x1b4e4b1e; + load_raw = &CLASS canon_a5_load_raw; + } else if (!strcmp(model,"PowerShot Pro70")) { + height = 1024; + width = 1552; + colors = 4; + filters = 0x1e4b4e1b; + load_raw = &CLASS canon_a5_load_raw; + } else if (!strcmp(model,"PowerShot A610")) { + if (canon_s2is()) strcpy (model+10, "S2 IS"); + height = 1960; + width = 2616; + raw_height = 1968; + raw_width = 2672; + top_margin = 8; + left_margin = 12; + load_raw = &CLASS canon_a5_load_raw; + } else if (!strcmp(model,"PowerShot A620")) { + height = 2328; + width = 3112; + raw_height = 2340; + raw_width = 3152; + top_margin = 12; + left_margin = 36; + load_raw = &CLASS canon_a5_load_raw; + } else if (!strcmp(model,"PowerShot A630")) { + height = 2472; + width = 3288; + raw_height = 2484; + raw_width = 3344; + top_margin = 6; + left_margin = 12; + load_raw = &CLASS canon_a5_load_raw; + } else if (!strcmp(model,"PowerShot A640")) { + height = 2760; + width = 3672; + raw_height = 2772; + raw_width = 3736; + top_margin = 6; + left_margin = 12; + load_raw = &CLASS canon_a5_load_raw; + } else if (!strcmp(model,"PowerShot S3 IS")) { + height = 2128; + width = 2840; + raw_height = 2136; + raw_width = 2888; + top_margin = 8; + left_margin = 44; + load_raw = &CLASS canon_a5_load_raw; + } else if (!strcmp(model,"PowerShot Pro90 IS")) { + width = 1896; + colors = 4; + filters = 0xb4b4b4b4; + } else if (is_canon && raw_width == 2144) { + height = 1550; + width = 2088; + top_margin = 8; + left_margin = 4; + if (!strcmp(model,"PowerShot G1")) { + colors = 4; + filters = 0xb4b4b4b4; + } + } else if (is_canon && raw_width == 2224) { + height = 1448; + width = 2176; + top_margin = 6; + left_margin = 48; + } else if (is_canon && raw_width == 2376) { + height = 1720; + width = 2312; + top_margin = 6; + left_margin = 12; + } else if (is_canon && raw_width == 2672) { + height = 1960; + width = 2616; + top_margin = 6; + left_margin = 12; + } else if (is_canon && raw_width == 3152) { + height = 2056; + width = 3088; + top_margin = 12; + left_margin = 64; + if (unique_id == 0x80000170) + adobe_coeff ("Canon","EOS 300D"); + maximum = 0xfa0; + } else if (is_canon && raw_width == 3160) { + height = 2328; + width = 3112; + top_margin = 12; + left_margin = 44; + } else if (is_canon && raw_width == 3344) { + height = 2472; + width = 3288; + top_margin = 6; + left_margin = 4; + } else if (!strcmp(model,"EOS D2000C")) { + filters = 0x61616161; + black = curve[200]; + } else if (is_canon && raw_width == 3516) { + top_margin = 14; + left_margin = 42; + if (unique_id == 0x80000189) + adobe_coeff ("Canon","EOS 350D"); + goto canon_cr2; + } else if (is_canon && raw_width == 3596) { + top_margin = 12; + left_margin = 74; + goto canon_cr2; + } else if (is_canon && raw_width == 3944) { + height = 2602; + width = 3908; + top_margin = 18; + left_margin = 30; + maximum = 0x3f60; + } else if (is_canon && raw_width == 3948) { + top_margin = 18; + left_margin = 42; + height -= 2; + if (unique_id == 0x80000236) + adobe_coeff ("Canon","EOS 400D"); + goto canon_cr2; + } else if (is_canon && raw_width == 3984) { + top_margin = 20; + left_margin = 76; + height -= 2; + maximum = 0x3bb0; + goto canon_cr2; + } else if (is_canon && raw_width == 4104) { + height = 3024; + width = 4032; + top_margin = 12; + left_margin = 48; + } else if (is_canon && raw_width == 4476) { + top_margin = 34; + left_margin = 90; + maximum = 0xe6c; + goto canon_cr2; + } else if (is_canon && raw_width == 5108) { + top_margin = 13; + left_margin = 98; + maximum = 0xe80; +canon_cr2: + height -= top_margin; + width -= left_margin; + } else if (is_canon && raw_width == 5712) { + height = 3752; + width = 5640; + top_margin = 20; + left_margin = 62; + maximum = 0x3bb0; + } else if (!strcmp(model,"D1")) { + cam_mul[0] *= 256/527.0; + cam_mul[2] *= 256/317.0; + } else if (!strcmp(model,"D1X")) { + width -= 4; + pixel_aspect = 0.5; + } else if (!strncmp(model,"D40",3) || + !strncmp(model,"D50",3) || + !strncmp(model,"D70",3)) { + width--; + } else if (!strcmp(model,"D80")) { + height -= 3; + width -= 4; + } else if (!strcmp(model,"D100")) { + if (tiff_compress == 34713 && !nikon_is_compressed()) { + load_raw = &CLASS nikon_load_raw; + raw_width = (width += 3) + 3; + } + maximum = 0xf44; + } else if (!strcmp(model,"D200")) { + left_margin = 1; + width -= 4; + maximum = 0xfbc; + filters = 0x94949494; + } else if (!strncmp(model,"D2H",3)) { + left_margin = 6; + width -= 14; + } else if (!strcmp(model,"D2X")) { + width -= 8; + maximum = 0xf35; + } else if (!strcmp(model,"D300")) { + width -= 32; + } else if (fsize == 1581060) { + height = 963; + width = 1287; + raw_width = 1632; + load_raw = &CLASS nikon_e900_load_raw; + maximum = 0x3f4; + colors = 4; + filters = 0x1e1e1e1e; + simple_coeff(3); + pre_mul[0] = 1.2085; + pre_mul[1] = 1.0943; + pre_mul[3] = 1.1103; + } else if (fsize == 2465792) { + height = 1203; + width = 1616; + raw_width = 2048; + load_raw = &CLASS nikon_e900_load_raw; + maximum = 0x3dd; + colors = 4; + filters = 0x4b4b4b4b; + adobe_coeff ("NIKON","E950"); + } else if (fsize == 4771840) { + height = 1540; + width = 2064; + colors = 4; + filters = 0xe1e1e1e1; + load_raw = &CLASS nikon_load_raw; + if (!timestamp && nikon_e995()) + strcpy (model, "E995"); + if (strcmp(model,"E995")) { + filters = 0xb4b4b4b4; + simple_coeff(3); + pre_mul[0] = 1.196; + pre_mul[1] = 1.246; + pre_mul[2] = 1.018; + } + } else if (!strcmp(model,"E2100")) { + if (!timestamp && !nikon_e2100()) goto cp_e2500; + height = 1206; + width = 1616; + load_raw = &CLASS nikon_e2100_load_raw; + pre_mul[0] = 1.945; + pre_mul[2] = 1.040; + } else if (!strcmp(model,"E2500")) { +cp_e2500: + strcpy (model, "E2500"); + height = 1204; + width = 1616; + colors = 4; + filters = 0x4b4b4b4b; + } else if (fsize == 4775936) { + height = 1542; + width = 2064; + load_raw = &CLASS nikon_e2100_load_raw; + pre_mul[0] = 1.818; + pre_mul[2] = 1.618; + if (!timestamp) nikon_3700(); + if (model[0] == 'E' && atoi(model+1) < 3700) + filters = 0x49494949; + if (!strcmp(model,"Optio 33WR")) { + flip = 1; + filters = 0x16161616; + pre_mul[0] = 1.331; + pre_mul[2] = 1.820; + } + } else if (fsize == 5869568) { + height = 1710; + width = 2288; + filters = 0x16161616; + if (!timestamp && minolta_z2()) { + strcpy (make, "Minolta"); + strcpy (model,"DiMAGE Z2"); + } + if (make[0] == 'M') + load_raw = &CLASS nikon_e2100_load_raw; + } else if (!strcmp(model,"E4500")) { + height = 1708; + width = 2288; + colors = 4; + filters = 0xb4b4b4b4; + } else if (fsize == 7438336) { + height = 1924; + width = 2576; + colors = 4; + filters = 0xb4b4b4b4; + } else if (fsize == 8998912) { + height = 2118; + width = 2832; + maximum = 0xf83; + load_raw = &CLASS nikon_e2100_load_raw; + } else if (!strcmp(model,"FinePix S5100") || + !strcmp(model,"FinePix S5500")) { + load_raw = &CLASS unpacked_load_raw; + maximum = 0x3e00; + } else if (!strncmp(model,"FinePix",7)) { + if (!strcmp(model+7,"S2Pro")) { + strcpy (model+7," S2Pro"); + height = 2144; + width = 2880; + flip = 6; + } else + maximum = 0x3e00; + if (is_raw == 2 && shot_select) + maximum = 0x2f00; + top_margin = (raw_height - height)/2; + left_margin = (raw_width - width )/2; + if (is_raw == 2) + data_offset += (shot_select > 0) * ( fuji_layout ? + (raw_width *= 2) : raw_height*raw_width*2 ); + fuji_width = width >> !fuji_layout; + width = (height >> fuji_layout) + fuji_width; + raw_height = height; + height = width - 1; + load_raw = &CLASS fuji_load_raw; + if (!(fuji_width & 1)) filters = 0x49494949; + } else if (!strcmp(model,"RD175")) { + height = 986; + width = 1534; + data_offset = 513; + filters = 0x61616161; + load_raw = &CLASS minolta_rd175_load_raw; + } else if (!strcmp(model,"KD-400Z")) { + height = 1712; + width = 2312; + raw_width = 2336; + goto konica_400z; + } else if (!strcmp(model,"KD-510Z")) { + goto konica_510z; + } else if (!strcasecmp(make,"MINOLTA")) { + load_raw = &CLASS unpacked_load_raw; + maximum = 0xf7d; + if (!strncmp(model,"DiMAGE A",8)) { + if (!strcmp(model,"DiMAGE A200")) + filters = 0x49494949; + load_raw = &CLASS packed_12_load_raw; + maximum = model[8] == '1' ? 0xf8b : 0xfff; + } else if (!strncmp(model,"ALPHA",5) || + !strncmp(model,"DYNAX",5) || + !strncmp(model,"MAXXUM",6)) { + sprintf (model+20, "DYNAX %-10s", model+6+(model[0]=='M')); + adobe_coeff (make, model+20); + load_raw = &CLASS packed_12_load_raw; + maximum = 0xffb; + } else if (!strncmp(model,"DiMAGE G",8)) { + if (model[8] == '4') { + height = 1716; + width = 2304; + } else if (model[8] == '5') { +konica_510z: + height = 1956; + width = 2607; + raw_width = 2624; + } else if (model[8] == '6') { + height = 2136; + width = 2848; + } + data_offset += 14; + filters = 0x61616161; +konica_400z: + load_raw = &CLASS unpacked_load_raw; + maximum = 0x3df; + order = 0x4d4d; + } + } else if (!strcmp(model,"*ist DS")) { + height -= 2; + } else if (!strcmp(model,"Optio S")) { + if (fsize == 3178560) { + height = 1540; + width = 2064; + load_raw = &CLASS eight_bit_load_raw; + cam_mul[0] *= 4; + cam_mul[2] *= 4; + pre_mul[0] = 1.391; + pre_mul[2] = 1.188; + } else { + height = 1544; + width = 2068; + raw_width = 3136; + load_raw = &CLASS packed_12_load_raw; + maximum = 0xf7c; + pre_mul[0] = 1.137; + pre_mul[2] = 1.453; + } + } else if (fsize == 6114240) { + height = 1737; + width = 2324; + raw_width = 3520; + load_raw = &CLASS packed_12_load_raw; + maximum = 0xf7a; + pre_mul[0] = 1.980; + pre_mul[2] = 1.570; + } else if (!strcmp(model,"Optio 750Z")) { + height = 2302; + width = 3072; + load_raw = &CLASS nikon_e2100_load_raw; + } else if (!strcmp(model,"STV680 VGA")) { + height = 484; + width = 644; + load_raw = &CLASS eight_bit_load_raw; + flip = 2; + filters = 0x16161616; + black = 16; + pre_mul[0] = 1.097; + pre_mul[2] = 1.128; + } else if (!strcmp(model,"KAI-0340")) { + height = 477; + width = 640; + order = 0x4949; + data_offset = 3840; + load_raw = &CLASS unpacked_load_raw; + pre_mul[0] = 1.561; + pre_mul[2] = 2.454; + } else if (!strcmp(model,"531C")) { + height = 1200; + width = 1600; + load_raw = &CLASS unpacked_load_raw; + filters = 0x49494949; + pre_mul[1] = 1.218; + } else if (!strcmp(model,"F-080C")) { + height = 768; + width = 1024; + load_raw = &CLASS eight_bit_load_raw; + } else if (!strcmp(model,"F-145C")) { + height = 1040; + width = 1392; + load_raw = &CLASS eight_bit_load_raw; + } else if (!strcmp(model,"F-201C")) { + height = 1200; + width = 1600; + load_raw = &CLASS eight_bit_load_raw; + } else if (!strcmp(model,"F-510C")) { + height = 1958; + width = 2588; + load_raw = fsize < 7500000 ? + &CLASS eight_bit_load_raw : &CLASS unpacked_load_raw; + maximum = 0xfff0; + } else if (!strcmp(model,"F-810C")) { + height = 2469; + width = 3272; + load_raw = &CLASS unpacked_load_raw; + maximum = 0xfff0; + } else if (!strcmp(model,"XCD-SX910CR")) { + height = 1024; + width = 1375; + raw_width = 1376; + filters = 0x49494949; + maximum = 0x3ff; + load_raw = fsize < 2000000 ? + &CLASS eight_bit_load_raw : &CLASS unpacked_load_raw; + } else if (!strcmp(model,"2010")) { + height = 1207; + width = 1608; + order = 0x4949; + filters = 0x16161616; + data_offset = 3212; + maximum = 0x3ff; + load_raw = &CLASS unpacked_load_raw; + } else if (!strcmp(model,"A782")) { + height = 3000; + width = 2208; + filters = 0x61616161; + load_raw = fsize < 10000000 ? + &CLASS eight_bit_load_raw : &CLASS unpacked_load_raw; + maximum = 0xffc0; + } else if (!strcmp(model,"3320AF")) { + height = 1536; + raw_width = width = 2048; + filters = 0x61616161; + load_raw = &CLASS unpacked_load_raw; + maximum = 0x3ff; + pre_mul[0] = 1.717; + pre_mul[2] = 1.138; + fseek (ifp, 0x300000, SEEK_SET); + if ((order = guess_byte_order(0x10000)) == 0x4d4d) { + height -= (top_margin = 16); + width -= (left_margin = 28); + maximum = 0xf5c0; + strcpy (make, "ISG"); + model[0] = 0; + } + } else if (!strcmp(make,"Hasselblad")) { + if (load_raw == lossless_jpeg_load_raw) + load_raw = hasselblad_load_raw; + } else if (!strcmp(make,"Sinar")) { + if (!memcmp(head,"8BPS",4)) { + fseek (ifp, 14, SEEK_SET); + height = get4(); + width = get4(); + filters = 0x61616161; + data_offset = 68; + } + if (!load_raw) load_raw = &CLASS unpacked_load_raw; + maximum = 0x3fff; + } else if (!strcmp(make,"Leaf")) { + maximum = 0x3fff; + if (tiff_samples > 1) filters = 0; + if (tiff_samples > 1 || tile_length < raw_height) + load_raw = &CLASS leaf_hdr_load_raw; + if ((width | height) == 2048) { + if (tiff_samples == 1) { + filters = 1; + strcpy (cdesc, "RBTG"); + strcpy (model, "CatchLight"); + top_margin = 8; left_margin = 18; height = 2032; width = 2016; + } else { + strcpy (model, "DCB2"); + top_margin = 10; left_margin = 16; height = 2028; width = 2022; + } + } else if (width+height == 3144+2060) { + if (!model[0]) strcpy (model, "Cantare"); + if (width > height) { + top_margin = 6; left_margin = 32; height = 2048; width = 3072; + filters = 0x61616161; + } else { + left_margin = 6; top_margin = 32; width = 2048; height = 3072; + filters = 0x16161616; + } + if (!cam_mul[0] || model[0] == 'V') filters = 0; + else is_raw = tiff_samples; + } else if (width == 2116) { + strcpy (model, "Valeo 6"); + height -= 2 * (top_margin = 30); + width -= 2 * (left_margin = 55); + filters = 0x49494949; + } else if (width == 3171) { + strcpy (model, "Valeo 6"); + height -= 2 * (top_margin = 24); + width -= 2 * (left_margin = 24); + filters = 0x16161616; + } + } else if (!strcmp(make,"LEICA") || !strcmp(make,"Panasonic")) { + maximum = 0xfff0; + if (!load_raw) load_raw = &CLASS unpacked_load_raw; + switch (width) { + case 2568: + adobe_coeff ("Panasonic","DMC-LC1"); break; + case 3130: + left_margin = -14; + case 3170: + left_margin += 18; + width = 3096; + if (height > 2326) { + height = 2326; + top_margin = 13; + filters = 0x49494949; + } + maximum = 0xf7f0; + zero_is_bad = 1; + adobe_coeff ("Panasonic","DMC-FZ8"); break; + case 3177: + width -= 10; + filters = 0x49494949; + maximum = 0xf7fc; + zero_is_bad = 1; + adobe_coeff ("Panasonic","DMC-L1"); break; + case 3304: + width -= 16; + maximum = 0xf94c; + zero_is_bad = 1; + adobe_coeff ("Panasonic","DMC-FZ30"); break; + case 3330: + width = 3291; + left_margin = 9; + maximum = 0xf7f0; + goto fz18; + case 3370: + width = 3288; + left_margin = 15; +fz18: if (height > 2480) + height = 2480 - (top_margin = 10); + filters = 0x49494949; + zero_is_bad = 1; + break; + case 3690: + height += 36; + left_margin = -14; + filters = 0x49494949; + maximum = 0xf7f0; + case 3770: + width = 3672; + if ((height -= 39) == 2760) + top_margin = 15; + left_margin += 17; + zero_is_bad = 1; + adobe_coeff ("Panasonic","DMC-FZ50"); break; + case 3880: + width -= 22; + left_margin = 6; + maximum = 0xf7f0; + zero_is_bad = 1; + adobe_coeff ("Panasonic","DMC-LX1"); break; + case 4290: + height += 38; + left_margin = -14; + filters = 0x49494949; + case 4330: + width = 4248; + if ((height -= 39) == 2400) + top_margin = 15; + left_margin += 17; + adobe_coeff ("Panasonic","DMC-LX2"); break; + } + } else if (!strcmp(model,"C770UZ")) { + height = 1718; + width = 2304; + filters = 0x16161616; + load_raw = &CLASS nikon_e2100_load_raw; + } else if (!strcmp(make,"OLYMPUS")) { + height += height & 1; + filters = exif_cfa; + if (!strcmp(model,"E-1") || + !strcmp(model,"E-400")) { + maximum = 0xfff0; + } else if (!strcmp(model,"E-10") || + !strncmp(model,"E-20",4)) { + maximum = 0xffc0; + black <<= 2; + } else if (!strcmp(model,"E-300") || + !strcmp(model,"E-500")) { + width -= 20; + if (load_raw == &CLASS unpacked_load_raw) { + maximum = 0xfc30; + black = 0; + } + } else if (!strcmp(model,"E-330")) { + width -= 30; + if (load_raw == &CLASS unpacked_load_raw) + maximum = 0xf790; + } else if (!strcmp(model,"E-3")) { + maximum = 0xf99; + goto e410; + } else if (!strcmp(model,"E-410") || + !strcmp(model,"E-510")) { + maximum = 0xf6a; +e410: load_raw = &CLASS olympus_e410_load_raw; + black >>= 4; + } else if (!strcmp(model,"SP550UZ")) { + thumb_length = fsize - (thumb_offset = 0xa39800); + thumb_height = 480; + thumb_width = 640; + } + } else if (!strcmp(model,"N Digital")) { + height = 2047; + width = 3072; + filters = 0x61616161; + data_offset = 0x1a00; + load_raw = &CLASS packed_12_load_raw; + maximum = 0xf1e; + } else if (!strcmp(model,"DSC-F828")) { + width = 3288; + left_margin = 5; + data_offset = 862144; + load_raw = &CLASS sony_load_raw; + filters = 0x9c9c9c9c; + colors = 4; + strcpy (cdesc, "RGBE"); + } else if (!strcmp(model,"DSC-V3")) { + width = 3109; + left_margin = 59; + data_offset = 787392; + load_raw = &CLASS sony_load_raw; + } else if (!strcmp(make,"SONY") && raw_width == 3984) { + adobe_coeff ("SONY","DSC-R1"); + width = 3925; + order = 0x4d4d; + } else if (!strcmp(model,"DSLR-A100")) { + height--; + load_raw = &CLASS sony_arw_load_raw; + maximum = 0xfeb; + } else if (!strncmp(model,"P850",4)) { + maximum = 0xf7c; + } else if (!strcmp(model,"C330")) { + height = 1744; + width = 2336; + raw_height = 1779; + raw_width = 2338; + top_margin = 33; + left_margin = 1; + order = 0x4949; + if ((data_offset = fsize - raw_height*raw_width)) { + fseek (ifp, 168, SEEK_SET); + read_shorts (curve, 256); + } else use_gamma = 0; + load_raw = &CLASS eight_bit_load_raw; + } else if (!strcasecmp(make,"KODAK")) { + if (filters == UINT_MAX) filters = 0x61616161; + if (!strncmp(model,"NC2000",6)) { + width -= 4; + left_margin = 2; + } else if (!strcmp(model,"EOSDCS3B")) { + width -= 4; + left_margin = 2; + } else if (!strcmp(model,"EOSDCS1")) { + width -= 4; + left_margin = 2; + } else if (!strcmp(model,"DCS420")) { + width -= 4; + left_margin = 2; + } else if (!strcmp(model,"DCS460")) { + width -= 4; + left_margin = 2; + } else if (!strcmp(model,"DCS460A")) { + width -= 4; + left_margin = 2; + colors = 1; + filters = 0; + } else if (!strcmp(model,"DCS660M")) { + black = 214; + colors = 1; + filters = 0; + } else if (!strcmp(model,"DCS760M")) { + colors = 1; + filters = 0; + } + if (strstr(model,"DC25")) { + strcpy (model, "DC25"); + data_offset = 15424; + } + if (!strncmp(model,"DC2",3)) { + height = 242; + if (fsize < 100000) { + raw_width = 256; width = 249; + pixel_aspect = (4.0*height) / (3.0*width); + } else { + raw_width = 512; width = 501; + pixel_aspect = (493.0*height) / (373.0*width); + } + data_offset += raw_width + 1; + colors = 4; + filters = 0x8d8d8d8d; + simple_coeff(1); + pre_mul[1] = 1.179; + pre_mul[2] = 1.209; + pre_mul[3] = 1.036; + load_raw = &CLASS eight_bit_load_raw; + } else if (!strcmp(model,"40")) { + strcpy (model, "DC40"); + height = 512; + width = 768; + data_offset = 1152; + load_raw = &CLASS kodak_radc_load_raw; + } else if (strstr(model,"DC50")) { + strcpy (model, "DC50"); + height = 512; + width = 768; + data_offset = 19712; + load_raw = &CLASS kodak_radc_load_raw; + } else if (strstr(model,"DC120")) { + strcpy (model, "DC120"); + height = 976; + width = 848; + pixel_aspect = height/0.75/width; + load_raw = tiff_compress == 7 ? + &CLASS kodak_jpeg_load_raw : &CLASS kodak_dc120_load_raw; + } else if (!strcmp(model,"DCS200")) { + thumb_height = 128; + thumb_width = 192; + thumb_offset = 6144; + thumb_misc = 360; + write_thumb = &CLASS layer_thumb; + height = 1024; + width = 1536; + data_offset = 79872; + load_raw = &CLASS eight_bit_load_raw; + black = 17; + } + } else if (!strcmp(model,"Fotoman Pixtura")) { + height = 512; + width = 768; + data_offset = 3632; + load_raw = &CLASS kodak_radc_load_raw; + filters = 0x61616161; + simple_coeff(2); + } else if (!strcmp(model,"QuickTake 100")) { + data_offset = 736; + load_raw = &CLASS quicktake_100_load_raw; + goto qt_common; + } else if (!strcmp(model,"QuickTake 150")) { + data_offset = 738; + load_raw = &CLASS kodak_radc_load_raw; +qt_common: + height = 480; + width = 640; + filters = 0x61616161; + } else if (!strcmp(make,"Rollei") && !load_raw) { + switch (raw_width) { + case 1316: + height = 1030; + width = 1300; + top_margin = 1; + left_margin = 6; + break; + case 2568: + height = 1960; + width = 2560; + top_margin = 2; + left_margin = 8; + } + filters = 0x16161616; + load_raw = &CLASS rollei_load_raw; + pre_mul[0] = 1.8; + pre_mul[2] = 1.3; + } else if (!strcmp(model,"PC-CAM 600")) { + height = 768; + data_offset = width = 1024; + filters = 0x49494949; + load_raw = &CLASS eight_bit_load_raw; + pre_mul[0] = 1.14; + pre_mul[2] = 2.73; + } else if (!strcmp(model,"QV-2000UX")) { + height = 1208; + width = 1632; + data_offset = width * 2; + load_raw = &CLASS eight_bit_load_raw; + } else if (fsize == 3217760) { + height = 1546; + width = 2070; + raw_width = 2080; + load_raw = &CLASS eight_bit_load_raw; + } else if (!strcmp(model,"QV-4000")) { + height = 1700; + width = 2260; + load_raw = &CLASS unpacked_load_raw; + maximum = 0xffff; + } else if (!strcmp(model,"QV-5700")) { + height = 1924; + width = 2576; + load_raw = &CLASS casio_qv5700_load_raw; + } else if (!strcmp(model,"QV-R41")) { + height = 1720; + width = 2312; + raw_width = 3520; + left_margin = 2; + load_raw = &CLASS packed_12_load_raw; + maximum = 0xf7f; + } else if (!strcmp(model,"QV-R51")) { + height = 1926; + width = 2580; + raw_width = 3904; + load_raw = &CLASS packed_12_load_raw; + maximum = 0xf7f; + pre_mul[0] = 1.340; + pre_mul[2] = 1.672; + } else if (!strcmp(model,"EX-S100")) { + height = 1544; + width = 2058; + raw_width = 3136; + load_raw = &CLASS packed_12_load_raw; + pre_mul[0] = 1.631; + pre_mul[2] = 1.106; + } else if (!strcmp(model,"EX-Z50")) { + height = 1931; + width = 2570; + raw_width = 3904; + load_raw = &CLASS packed_12_load_raw; + maximum = 0xf7f; + pre_mul[0] = 2.529; + pre_mul[2] = 1.185; + } else if (!strcmp(model,"EX-Z55")) { + height = 1960; + width = 2570; + raw_width = 3904; + load_raw = &CLASS packed_12_load_raw; + maximum = 0xf7f; + pre_mul[0] = 1.520; + pre_mul[2] = 1.316; + } else if (!strcmp(model,"EX-P505")) { + height = 1928; + width = 2568; + raw_width = 3852; + load_raw = &CLASS packed_12_load_raw; + pre_mul[0] = 2.07; + pre_mul[2] = 1.88; + } else if (fsize == 9313536) { /* EX-P600 or QV-R61 */ + height = 2142; + width = 2844; + raw_width = 4288; + load_raw = &CLASS packed_12_load_raw; + maximum = 0xf7f; + pre_mul[0] = 1.797; + pre_mul[2] = 1.219; + } else if (!strcmp(model,"EX-P700")) { + height = 2318; + width = 3082; + raw_width = 4672; + load_raw = &CLASS packed_12_load_raw; + maximum = 0xf7f; + pre_mul[0] = 1.758; + pre_mul[2] = 1.504; + } + if (!model[0]) + sprintf (model, "%dx%d", width, height); + if (filters == UINT_MAX) filters = 0x94949494; + if (raw_color) adobe_coeff (make, model); + if (thumb_offset && !thumb_height) { + fseek (ifp, thumb_offset, SEEK_SET); + if (ljpeg_start (&jh, 1)) { + thumb_width = jh.wide; + thumb_height = jh.high; + } + } +dng_skip: + if (!load_raw || height < 22) is_raw = 0; +#ifdef NO_JPEG + if (load_raw == kodak_jpeg_load_raw) { + fprintf (stderr,_("%s: You must link dcraw with libjpeg!!\n"), ifname); + is_raw = 0; + } +#endif + if (!cdesc[0]) + strcpy (cdesc, colors == 3 ? "RGB":"GMCY"); + if (!raw_height) raw_height = height; + if (!raw_width ) raw_width = width; + if (filters && colors == 3) + for (i=0; i < 32; i+=4) { + if ((filters >> i & 15) == 9) + filters |= 2 << i; + if ((filters >> i & 15) == 6) + filters |= 8 << i; + } +notraw: + if (flip == -1) flip = tiff_flip; + if (flip == -1) flip = 0; +} + +#ifndef NO_LCMS +void CLASS apply_profile (char *input, char *output) +{ + char *prof; + cmsHPROFILE hInProfile=0, hOutProfile=0; + cmsHTRANSFORM hTransform; + FILE *fp; + unsigned size; + + cmsErrorAction (LCMS_ERROR_SHOW); + if (strcmp (input, "embed")) + hInProfile = cmsOpenProfileFromFile (input, "r"); + else if (profile_length) { + prof = (char *) malloc (profile_length); + merror (prof, "apply_profile()"); + fseek (ifp, profile_offset, SEEK_SET); + fread (prof, 1, profile_length, ifp); + hInProfile = cmsOpenProfileFromMem (prof, profile_length); + free (prof); + } else + fprintf (stderr,_("%s has no embedded profile.\n"), ifname); + if (!hInProfile) return; + if (!output) + hOutProfile = cmsCreate_sRGBProfile(); + else if ((fp = fopen (output, "rb"))) { + fread (&size, 4, 1, fp); + fseek (fp, 0, SEEK_SET); + oprof = (unsigned *) malloc (size = ntohl(size)); + merror (oprof, "apply_profile()"); + fread (oprof, 1, size, fp); + fclose (fp); + if (!(hOutProfile = cmsOpenProfileFromMem (oprof, size))) { + free (oprof); + oprof = 0; + } + } else + fprintf (stderr,_("Cannot open file %s!\n"), output); + if (!hOutProfile) goto quit; + if (verbose) + fprintf (stderr,_("Applying color profile...\n")); + hTransform = cmsCreateTransform (hInProfile, TYPE_RGBA_16, + hOutProfile, TYPE_RGBA_16, INTENT_PERCEPTUAL, 0); + cmsDoTransform (hTransform, image, image, width*height); + raw_color = 1; /* Don't use rgb_cam with a profile */ + cmsDeleteTransform (hTransform); + cmsCloseProfile (hOutProfile); +quit: + cmsCloseProfile (hInProfile); +} +#endif + +void CLASS convert_to_rgb() +{ + int row, col, c, i, j, k; + ushort *img; + float out[3], out_cam[3][4]; + double num, inverse[3][3]; + static const double xyzd50_srgb[3][3] = + { { 0.436083, 0.385083, 0.143055 }, + { 0.222507, 0.716888, 0.060608 }, + { 0.013930, 0.097097, 0.714022 } }; + static const double rgb_rgb[3][3] = + { { 1,0,0 }, { 0,1,0 }, { 0,0,1 } }; + static const double adobe_rgb[3][3] = + { { 0.715146, 0.284856, 0.000000 }, + { 0.000000, 1.000000, 0.000000 }, + { 0.000000, 0.041166, 0.958839 } }; + static const double wide_rgb[3][3] = + { { 0.593087, 0.404710, 0.002206 }, + { 0.095413, 0.843149, 0.061439 }, + { 0.011621, 0.069091, 0.919288 } }; + static const double prophoto_rgb[3][3] = + { { 0.529317, 0.330092, 0.140588 }, + { 0.098368, 0.873465, 0.028169 }, + { 0.016879, 0.117663, 0.865457 } }; + static const double (*out_rgb[])[3] = + { rgb_rgb, adobe_rgb, wide_rgb, prophoto_rgb, xyz_rgb }; + static const char *name[] = + { "sRGB", "Adobe RGB (1998)", "WideGamut D65", "ProPhoto D65", "XYZ" }; + static const unsigned phead[] = + { 1024, 0, 0x2100000, 0x6d6e7472, 0x52474220, 0x58595a20, 0, 0, 0, + 0x61637370, 0, 0, 0x6e6f6e65, 0, 0, 0, 0, 0xf6d6, 0x10000, 0xd32d }; + unsigned pbody[] = + { 10, 0x63707274, 0, 36, /* cprt */ + 0x64657363, 0, 40, /* desc */ + 0x77747074, 0, 20, /* wtpt */ + 0x626b7074, 0, 20, /* bkpt */ + 0x72545243, 0, 14, /* rTRC */ + 0x67545243, 0, 14, /* gTRC */ + 0x62545243, 0, 14, /* bTRC */ + 0x7258595a, 0, 20, /* rXYZ */ + 0x6758595a, 0, 20, /* gXYZ */ + 0x6258595a, 0, 20 }; /* bXYZ */ + static const unsigned pwhite[] = { 0xf351, 0x10000, 0x116cc }; + unsigned pcurve[] = { 0x63757276, 0, 1, 0x1000000 }; + + memcpy (out_cam, rgb_cam, sizeof out_cam); + raw_color |= colors == 1 || document_mode || + output_color < 1 || output_color > 5; + if (!raw_color) { + oprof = (unsigned *) calloc (phead[0], 1); + merror (oprof, "convert_to_rgb()"); + memcpy (oprof, phead, sizeof phead); + if (output_color == 5) oprof[4] = oprof[5]; + oprof[0] = 132 + 12*pbody[0]; + for (i=0; i < pbody[0]; i++) { + oprof[oprof[0]/4] = i ? (i > 1 ? 0x58595a20 : 0x64657363) : 0x74657874; + pbody[i*3+2] = oprof[0]; + oprof[0] += (pbody[i*3+3] + 3) & -4; + } + memcpy (oprof+32, pbody, sizeof pbody); + oprof[pbody[5]/4+2] = strlen(name[output_color-1]) + 1; + memcpy ((char *)oprof+pbody[8]+8, pwhite, sizeof pwhite); + if (output_bps == 8) +#ifdef SRGB_GAMMA + pcurve[3] = 0x2330000; +#else + pcurve[3] = 0x1f00000; +#endif + for (i=4; i < 7; i++) + memcpy ((char *)oprof+pbody[i*3+2], pcurve, sizeof pcurve); + pseudoinverse ((double (*)[3]) out_rgb[output_color-1], inverse, 3); + for (i=0; i < 3; i++) + for (j=0; j < 3; j++) { + for (num = k=0; k < 3; k++) + num += xyzd50_srgb[i][k] * inverse[j][k]; + oprof[pbody[j*3+23]/4+i+2] = num * 0x10000 + 0.5; + } + for (i=0; i < phead[0]/4; i++) + oprof[i] = htonl(oprof[i]); + strcpy ((char *)oprof+pbody[2]+8, "auto-generated by dcraw"); + strcpy ((char *)oprof+pbody[5]+12, name[output_color-1]); + for (i=0; i < 3; i++) + for (j=0; j < colors; j++) + for (out_cam[i][j] = k=0; k < 3; k++) + out_cam[i][j] += out_rgb[output_color-1][i][k] * rgb_cam[k][j]; + } + if (verbose) + fprintf (stderr, raw_color ? _("Building histograms...\n") : + _("Converting to %s colorspace...\n"), name[output_color-1]); + + memset (histogram, 0, sizeof histogram); + for (img=image[0], row=0; row < height; row++) + for (col=0; col < width; col++, img+=4) { + if (!raw_color) { + out[0] = out[1] = out[2] = 0; + FORCC { + out[0] += out_cam[0][c] * img[c]; + out[1] += out_cam[1][c] * img[c]; + out[2] += out_cam[2][c] * img[c]; + } + FORC3 img[c] = CLIP((int) out[c]); + } + else if (document_mode) + img[0] = img[FC(row,col)]; + FORCC histogram[c][img[c] >> 3]++; + } + if (colors == 4 && output_color) colors = 3; + if (document_mode && filters) colors = 1; +} + +void CLASS fuji_rotate() +{ + int i, row, col; + double step; + float r, c, fr, fc; + unsigned ur, uc; + ushort wide, high, (*img)[4], (*pix)[4]; + + if (!fuji_width) return; + if (verbose) + fprintf (stderr,_("Rotating image 45 degrees...\n")); + fuji_width = (fuji_width - 1 + shrink) >> shrink; + step = sqrt(0.5); + wide = fuji_width / step; + high = (height - fuji_width) / step; + img = (ushort (*)[4]) calloc (wide*high, sizeof *img); + merror (img, "fuji_rotate()"); + + for (row=0; row < high; row++) + for (col=0; col < wide; col++) { + ur = r = fuji_width + (row-col)*step; + uc = c = (row+col)*step; + if (ur > height-2 || uc > width-2) continue; + fr = r - ur; + fc = c - uc; + pix = image + ur*width + uc; + for (i=0; i < colors; i++) + img[row*wide+col][i] = + (pix[ 0][i]*(1-fc) + pix[ 1][i]*fc) * (1-fr) + + (pix[width][i]*(1-fc) + pix[width+1][i]*fc) * fr; + } + free (image); + width = wide; + height = high; + image = img; + fuji_width = 0; +} + +void CLASS stretch() +{ + ushort newdim, (*img)[4], *pix0, *pix1; + int row, col, c; + double rc, frac; + + if (pixel_aspect == 1) return; + if (verbose) fprintf (stderr,_("Stretching the image...\n")); + if (pixel_aspect < 1) { + newdim = height / pixel_aspect + 0.5; + img = (ushort (*)[4]) calloc (width*newdim, sizeof *img); + merror (img, "stretch()"); + for (rc=row=0; row < newdim; row++, rc+=pixel_aspect) { + frac = rc - (c = rc); + pix0 = pix1 = image[c*width]; + if (c+1 < height) pix1 += width*4; + for (col=0; col < width; col++, pix0+=4, pix1+=4) + FORCC img[row*width+col][c] = pix0[c]*(1-frac) + pix1[c]*frac + 0.5; + } + height = newdim; + } else { + newdim = width * pixel_aspect + 0.5; + img = (ushort (*)[4]) calloc (height*newdim, sizeof *img); + merror (img, "stretch()"); + for (rc=col=0; col < newdim; col++, rc+=1/pixel_aspect) { + frac = rc - (c = rc); + pix0 = pix1 = image[c]; + if (c+1 < width) pix1 += 4; + for (row=0; row < height; row++, pix0+=width*4, pix1+=width*4) + FORCC img[row*newdim+col][c] = pix0[c]*(1-frac) + pix1[c]*frac + 0.5; + } + width = newdim; + } + free (image); + image = img; +} + +int CLASS flip_index (int row, int col) +{ + if (flip & 4) SWAP(row,col); + if (flip & 2) row = iheight - 1 - row; + if (flip & 1) col = iwidth - 1 - col; + return row * iwidth + col; +} + +void CLASS gamma_lut (uchar lut[0x10000]) +{ + int perc, c, val, total, i; + float white=0, r; + + perc = width * height * 0.01; /* 99th percentile white point */ + if (fuji_width) perc /= 2; + if (highlight && highlight != 2) perc = -1; + FORCC { + for (val=0x2000, total=0; --val > 32; ) + if ((total += histogram[c][val]) > perc) break; + if (white < val) white = val; + } + white *= 8 / bright; + for (i=0; i < 0x10000; i++) { + r = i / white; + val = 256 * ( !use_gamma ? r : +#ifdef SRGB_GAMMA + r <= 0.00304 ? r*12.92 : pow(r,2.5/6)*1.055-0.055 ); +#else + r <= 0.018 ? r*4.5 : pow(r,0.45)*1.099-0.099 ); +#endif + if (val > 255) val = 255; + lut[i] = val; + } +} + +struct tiff_tag { + ushort tag, type; + int count; + union { short s0, s1; int i0; } val; +}; + +struct tiff_hdr { + ushort order, magic; + int ifd; + ushort pad, ntag; + struct tiff_tag tag[22]; + int nextifd; + ushort pad2, nexif; + struct tiff_tag exif[4]; + short bps[4]; + int rat[10]; + char desc[512], make[64], model[64], soft[32], date[20], artist[64]; +}; + +void CLASS tiff_set (ushort *ntag, + ushort tag, ushort type, int count, int val) +{ + struct tiff_tag *tt; + + tt = (struct tiff_tag *)(ntag+1) + (*ntag)++; + tt->tag = tag; + tt->type = type; + tt->count = count; + if (type == 3 && count == 1) + tt->val.s0 = val; + else tt->val.i0 = val; +} + +#define TOFF(ptr) ((char *)(&(ptr)) - (char *)th) + +void CLASS tiff_head (struct tiff_hdr *th, int full) +{ + int c, psize=0; + struct tm *t; + + memset (th, 0, sizeof *th); + th->order = htonl(0x4d4d4949) >> 16; + th->magic = 42; + th->ifd = 10; + if (full) { + tiff_set (&th->ntag, 254, 4, 1, 0); + tiff_set (&th->ntag, 256, 4, 1, width); + tiff_set (&th->ntag, 257, 4, 1, height); + tiff_set (&th->ntag, 258, 3, colors, output_bps); + if (colors > 2) + th->tag[th->ntag-1].val.i0 = TOFF(th->bps); + FORC4 th->bps[c] = output_bps; + tiff_set (&th->ntag, 259, 3, 1, 1); + tiff_set (&th->ntag, 262, 3, 1, 1 + (colors > 1)); + } + tiff_set (&th->ntag, 270, 2, 512, TOFF(th->desc)); + tiff_set (&th->ntag, 271, 2, 64, TOFF(th->make)); + tiff_set (&th->ntag, 272, 2, 64, TOFF(th->model)); + if (full) { + if (oprof) psize = ntohl(oprof[0]); + tiff_set (&th->ntag, 273, 4, 1, sizeof *th + psize); + tiff_set (&th->ntag, 277, 3, 1, colors); + tiff_set (&th->ntag, 278, 4, 1, height); + tiff_set (&th->ntag, 279, 4, 1, height*width*colors*output_bps/8); + } else + tiff_set (&th->ntag, 274, 3, 1, "12435867"[flip]-'0'); + tiff_set (&th->ntag, 282, 5, 1, TOFF(th->rat[6])); + tiff_set (&th->ntag, 283, 5, 1, TOFF(th->rat[8])); + tiff_set (&th->ntag, 284, 3, 1, 1); + tiff_set (&th->ntag, 296, 3, 1, 2); + tiff_set (&th->ntag, 305, 2, 32, TOFF(th->soft)); + tiff_set (&th->ntag, 306, 2, 20, TOFF(th->date)); + tiff_set (&th->ntag, 315, 2, 64, TOFF(th->artist)); + tiff_set (&th->ntag, 34665, 4, 1, TOFF(th->nexif)); + if (psize) tiff_set (&th->ntag, 34675, 7, psize, sizeof *th); + tiff_set (&th->nexif, 33434, 5, 1, TOFF(th->rat[0])); + tiff_set (&th->nexif, 33437, 5, 1, TOFF(th->rat[2])); + tiff_set (&th->nexif, 34855, 3, 1, iso_speed); + tiff_set (&th->nexif, 37386, 5, 1, TOFF(th->rat[4])); + for (c=0; c < 6; c++) th->rat[c] = 1000000; + th->rat[0] *= shutter; + th->rat[2] *= aperture; + th->rat[4] *= focal_len; + th->rat[6] = th->rat[8] = 300; + th->rat[7] = th->rat[9] = 1; + strncpy (th->desc, desc, 512); + strncpy (th->make, make, 64); + strncpy (th->model, model, 64); + strcpy (th->soft, "dcraw v"VERSION); + t = gmtime (×tamp); + sprintf (th->date, "%04d:%02d:%02d %02d:%02d:%02d", + t->tm_year+1900,t->tm_mon+1,t->tm_mday,t->tm_hour,t->tm_min,t->tm_sec); + strncpy (th->artist, artist, 64); +} + +void CLASS jpeg_thumb (FILE *tfp) +{ + char *thumb; + ushort exif[5]; + struct tiff_hdr th; + + thumb = (char *) malloc (thumb_length); + merror (thumb, "jpeg_thumb()"); + fread (thumb, 1, thumb_length, ifp); + fputc (0xff, tfp); + fputc (0xd8, tfp); + if (strcmp (thumb+6, "Exif")) { + memcpy (exif, "\xff\xe1 Exif\0\0", 10); + exif[1] = htons (8 + sizeof th); + fwrite (exif, 1, sizeof exif, tfp); + tiff_head (&th, 0); + fwrite (&th, 1, sizeof th, tfp); + } + fwrite (thumb+2, 1, thumb_length-2, tfp); + free (thumb); +} + +void CLASS write_ppm_tiff (FILE *ofp) +{ + struct tiff_hdr th; + uchar *ppm, lut[0x10000]; + ushort *ppm2; + int c, row, col, soff, rstep, cstep; + + iheight = height; + iwidth = width; + if (flip & 4) SWAP(height,width); + ppm = (uchar *) calloc (width, colors*output_bps/8); + ppm2 = (ushort *) ppm; + merror (ppm, "write_ppm_tiff()"); + if (output_tiff) { + tiff_head (&th, 1); + fwrite (&th, sizeof th, 1, ofp); + if (oprof) + fwrite (oprof, ntohl(oprof[0]), 1, ofp); + } else if (colors > 3) + fprintf (ofp, + "P7\nWIDTH %d\nHEIGHT %d\nDEPTH %d\nMAXVAL %d\nTUPLTYPE %s\nENDHDR\n", + width, height, colors, (1 << output_bps)-1, cdesc); + else + fprintf (ofp, "P%d\n%d %d\n%d\n", + colors/2+5, width, height, (1 << output_bps)-1); + + if (output_bps == 8) gamma_lut (lut); + soff = flip_index (0, 0); + cstep = flip_index (0, 1) - soff; + rstep = flip_index (1, 0) - flip_index (0, width); + for (row=0; row < height; row++, soff += rstep) { + for (col=0; col < width; col++, soff += cstep) + if (output_bps == 8) + FORCC ppm [col*colors+c] = lut[image[soff][c]]; + else FORCC ppm2[col*colors+c] = image[soff][c]; + if (output_bps == 16 && !output_tiff && htons(0x55aa) != 0x55aa) + swab (ppm2, ppm2, width*colors*2); + fwrite (ppm, colors*output_bps/8, width, ofp); + } + free (ppm); +} + +int CLASS main (int argc, char **argv) +{ + int arg, status=0, user_flip=-1, user_black=-1, user_qual=-1; + int timestamp_only=0, thumbnail_only=0, identify_only=0; + int use_fuji_rotate=1, write_to_stdout=0, quality, i, c; + char opm, opt, *ofname, *sp, *cp, *dark_frame=0; + const char *write_ext; + struct utimbuf ut; + FILE *ofp; +#ifndef NO_LCMS + char *cam_profile=0, *out_profile=0; +#endif + +#ifndef LOCALTIME + putenv ("TZ=UTC"); +#endif +#ifdef LOCALEDIR + setlocale (LC_CTYPE, ""); + setlocale (LC_MESSAGES, ""); + bindtextdomain ("dcraw", LOCALEDIR); + textdomain ("dcraw"); +#endif + + if (argc == 1) { + printf(_("\nRaw photo decoder \"dcraw\" v%s"), VERSION); + printf(_("\nby Dave Coffin, dcoffin a cybercom o net\n")); + printf(_("\nUsage: %s [OPTION]... [FILE]...\n\n"), argv[0]); + puts(_("-v Print verbose messages")); + puts(_("-c Write image data to standard output")); + puts(_("-e Extract embedded thumbnail image")); + puts(_("-i Identify files without decoding them")); + puts(_("-i -v Identify files and show metadata")); + puts(_("-z Change file dates to camera timestamp")); + puts(_("-w Use camera white balance, if possible")); + puts(_("-a Average the whole image for white balance")); + puts(_("-A <x y w h> Average a grey box for white balance")); + puts(_("-r <r g b g> Set custom white balance")); + puts(_("+M/-M Use/don't use an embedded color matrix")); + puts(_("-C <r b> Correct chromatic aberration")); + puts(_("-b <num> Adjust brightness (default = 1.0)")); + puts(_("-n <num> Set threshold for wavelet denoising")); + puts(_("-k <num> Set black point")); + puts(_("-K <file> Subtract dark frame (16-bit raw PGM)")); + puts(_("-H [0-9] Highlight mode (0=clip, 1=unclip, 2=blend, 3+=rebuild)")); + puts(_("-t [0-7] Flip image (0=none, 3=180, 5=90CCW, 6=90CW)")); + puts(_("-o [0-5] Output colorspace (raw,sRGB,Adobe,Wide,ProPhoto,XYZ)")); +#ifndef NO_LCMS + puts(_("-o <file> Apply output ICC profile from file")); + puts(_("-p <file> Apply camera ICC profile from file or \"embed\"")); +#endif + puts(_("-d Document mode (no color, no interpolation)")); + puts(_("-D Document mode without scaling (totally raw)")); + puts(_("-j Don't stretch or rotate raw pixels")); + puts(_("-q [0-3] Set the interpolation quality")); + puts(_("-h Half-size color image (twice as fast as \"-q 0\")")); + puts(_("-f Interpolate RGGB as four colors")); + puts(_("-m <num> Apply a 3x3 median filter to R-G and B-G")); + puts(_("-s [0..N-1] Select one raw image or \"all\" from each file")); + puts(_("-4 Write 16-bit linear instead of 8-bit with gamma")); + puts(_("-T Write TIFF instead of PPM")); + puts(""); + return 1; + } + argv[argc] = ""; + for (arg=1; (((opm = argv[arg][0]) - 2) | 2) == '+'; ) { + opt = argv[arg++][1]; + if ((cp = strchr (sp="nbrktqmHAC", opt))) + for (i=0; i < "1141111142"[cp-sp]-'0'; i++) + if (!isdigit(argv[arg+i][0])) { + fprintf (stderr,_("Non-numeric argument to \"-%c\"\n"), opt); + return 1; + } + switch (opt) { + case 'n': threshold = atof(argv[arg++]); break; + case 'b': bright = atof(argv[arg++]); break; + case 'r': + FORC4 user_mul[c] = atof(argv[arg++]); break; + case 'C': aber[0] = 1 / atof(argv[arg++]); + aber[2] = 1 / atof(argv[arg++]); break; + case 'k': user_black = atoi(argv[arg++]); break; + case 't': user_flip = atoi(argv[arg++]); break; + case 'q': user_qual = atoi(argv[arg++]); break; + case 'm': med_passes = atoi(argv[arg++]); break; + case 'H': highlight = atoi(argv[arg++]); break; + case 's': + shot_select = abs(atoi(argv[arg])); + multi_out = !strcmp(argv[arg++],"all"); + break; + case 'o': + if (isdigit(argv[arg][0]) && !argv[arg][1]) + output_color = atoi(argv[arg++]); +#ifndef NO_LCMS + else out_profile = argv[arg++]; + break; + case 'p': cam_profile = argv[arg++]; +#endif + break; + case 'K': dark_frame = argv[arg++]; + break; + case 'z': timestamp_only = 1; break; + case 'e': thumbnail_only = 1; break; + case 'i': identify_only = 1; break; + case 'c': write_to_stdout = 1; break; + case 'v': verbose = 1; break; + case 'h': half_size = 1; /* "-h" implies "-f" */ + case 'f': four_color_rgb = 1; break; + case 'A': FORC4 greybox[c] = atoi(argv[arg++]); + case 'a': use_auto_wb = 1; break; + case 'w': use_camera_wb = 1; break; + case 'M': use_camera_matrix = (opm == '+'); break; + case 'D': + case 'd': document_mode = 1 + (opt == 'D'); + case 'j': use_fuji_rotate = 0; break; + case 'T': output_tiff = 1; break; + case '4': output_bps = 16; break; + default: + fprintf (stderr,_("Unknown option \"-%c\".\n"), opt); + return 1; + } + } + if (use_camera_matrix < 0) + use_camera_matrix = use_camera_wb; + if (arg == argc) { + fprintf (stderr,_("No files to process.\n")); + return 1; + } + if (write_to_stdout) { + if (isatty(1)) { + fprintf (stderr,_("Will not write an image to the terminal!\n")); + return 1; + } +#if defined(WIN32) || defined(DJGPP) || defined(__CYGWIN__) + if (setmode(1,O_BINARY) < 0) { + perror ("setmode()"); + return 1; + } +#endif + } + for ( ; arg < argc; arg++) { + status = 1; + image = 0; + oprof = 0; + meta_data = ofname = 0; + ofp = stdout; + if (setjmp (failure)) { + if (fileno(ifp) > 2) fclose(ifp); + if (fileno(ofp) > 2) fclose(ofp); + status = 1; + goto cleanup; + } + ifname = argv[arg]; + if (!(ifp = fopen (ifname, "rb"))) { + perror (ifname); + continue; + } + status = (identify(),!is_raw); + if (user_flip >= 0) + flip = user_flip; + switch ((flip+3600) % 360) { + case 270: flip = 5; break; + case 180: flip = 3; break; + case 90: flip = 6; + } + if (timestamp_only) { + if ((status = !timestamp)) + fprintf (stderr,_("%s has no timestamp.\n"), ifname); + else if (identify_only) + printf ("%10ld%10d %s\n", (long) timestamp, shot_order, ifname); + else { + if (verbose) + fprintf (stderr,_("%s time set to %d.\n"), ifname, (int) timestamp); + ut.actime = ut.modtime = timestamp; + utime (ifname, &ut); + } + goto next; + } + write_fun = &CLASS write_ppm_tiff; + if (thumbnail_only) { + if ((status = !thumb_offset)) { + fprintf (stderr,_("%s has no thumbnail.\n"), ifname); + goto next; + } else if (thumb_load_raw) { + load_raw = thumb_load_raw; + data_offset = thumb_offset; + height = thumb_height; + width = thumb_width; + filters = 0; + } else { + fseek (ifp, thumb_offset, SEEK_SET); + write_fun = write_thumb; + goto thumbnail; + } + } + if (load_raw == &CLASS kodak_ycbcr_load_raw) { + height += height & 1; + width += width & 1; + } + if (identify_only && verbose && make[0]) { + printf (_("\nFilename: %s\n"), ifname); + printf (_("Timestamp: %s"), ctime(×tamp)); + printf (_("Camera: %s %s\n"), make, model); + if (artist[0]) + printf (_("Owner: %s\n"), artist); + if (dng_version) { + printf (_("DNG Version: ")); + for (i=24; i >= 0; i -= 8) + printf ("%d%c", dng_version >> i & 255, i ? '.':'\n'); + } + printf (_("ISO speed: %d\n"), (int) iso_speed); + printf (_("Shutter: ")); + if (shutter > 0 && shutter < 1) + shutter = (printf ("1/"), 1 / shutter); + printf (_("%0.1f sec\n"), shutter); + printf (_("Aperture: f/%0.1f\n"), aperture); + printf (_("Focal length: %0.1f mm\n"), focal_len); + printf (_("Embedded ICC profile: %s\n"), profile_length ? _("yes"):_("no")); + printf (_("Number of raw images: %d\n"), is_raw); + if (pixel_aspect != 1) + printf (_("Pixel Aspect Ratio: %0.6f\n"), pixel_aspect); + if (thumb_offset) + printf (_("Thumb size: %4d x %d\n"), thumb_width, thumb_height); + printf (_("Full size: %4d x %d\n"), raw_width, raw_height); + } else if (!is_raw) + fprintf (stderr,_("Cannot decode file %s\n"), ifname); + if (!is_raw) goto next; + shrink = filters && + (half_size || threshold || aber[0] != 1 || aber[2] != 1); + iheight = (height + shrink) >> shrink; + iwidth = (width + shrink) >> shrink; + if (identify_only) { + if (verbose) { + if (use_fuji_rotate) { + if (fuji_width) { + fuji_width = (fuji_width - 1 + shrink) >> shrink; + iwidth = fuji_width / sqrt(0.5); + iheight = (iheight - fuji_width) / sqrt(0.5); + } else { + if (pixel_aspect < 1) iheight = iheight / pixel_aspect + 0.5; + if (pixel_aspect > 1) iwidth = iwidth * pixel_aspect + 0.5; + } + } + if (flip & 4) + SWAP(iheight,iwidth); + printf (_("Image size: %4d x %d\n"), width, height); + printf (_("Output size: %4d x %d\n"), iwidth, iheight); + printf (_("Raw colors: %d"), colors); + if (filters) { + printf (_("\nFilter pattern: ")); + if (!cdesc[3]) cdesc[3] = 'G'; + for (i=0; i < 16; i++) + putchar (cdesc[fc(i >> 1,i & 1)]); + } + printf (_("\nDaylight multipliers:")); + FORCC printf (" %f", pre_mul[c]); + if (cam_mul[0] > 0) { + printf (_("\nCamera multipliers:")); + FORC4 printf (" %f", cam_mul[c]); + } + putchar ('\n'); + } else + printf (_("%s is a %s %s image.\n"), ifname, make, model); +next: + fclose(ifp); + continue; + } + if (use_camera_matrix && cmatrix[0][0] > 0.25) { + memcpy (rgb_cam, cmatrix, sizeof cmatrix); + raw_color = 0; + } + image = (ushort (*)[4]) calloc (iheight*iwidth, sizeof *image); + merror (image, "main()"); + if (meta_length) { + meta_data = (char *) malloc (meta_length); + merror (meta_data, "main()"); + } + if (verbose) + fprintf (stderr,_("Loading %s %s image from %s ...\n"), + make, model, ifname); + if (shot_select >= is_raw) + fprintf (stderr,_("%s: \"-s %d\" requests a nonexistent image!\n"), + ifname, shot_select); + fseeko (ifp, data_offset, SEEK_SET); + (*load_raw)(); + if (zero_is_bad) remove_zeroes(); + bad_pixels(); + if (dark_frame) subtract (dark_frame); + quality = 2 + !fuji_width; + if (user_qual >= 0) quality = user_qual; + if (user_black >= 0) black = user_black; +#ifdef COLORCHECK + colorcheck(); +#endif + if (is_foveon && !document_mode) foveon_interpolate(); + if (!is_foveon && document_mode < 2) scale_colors(); + pre_interpolate(); + if (filters && !document_mode) { + if (quality == 0) + lin_interpolate(); + else if (quality == 1 || colors > 3) + vng_interpolate(); + else if (quality == 2) + ppg_interpolate(); + else ahd_interpolate(); + } + if (mix_green) + for (colors=3, i=0; i < height*width; i++) + image[i][1] = (image[i][1] + image[i][3]) >> 1; + if (!is_foveon && colors == 3) median_filter(); + if (!is_foveon && highlight == 2) blend_highlights(); + if (!is_foveon && highlight > 2) recover_highlights(); + if (use_fuji_rotate) fuji_rotate(); +#ifndef NO_LCMS + if (cam_profile) apply_profile (cam_profile, out_profile); +#endif + convert_to_rgb(); + if (use_fuji_rotate) stretch(); +thumbnail: + if (write_fun == &CLASS jpeg_thumb) + write_ext = ".jpg"; + else if (output_tiff && write_fun == &CLASS write_ppm_tiff) + write_ext = ".tiff"; + else + write_ext = ".pgm\0.ppm\0.ppm\0.pam" + colors*5-5; + ofname = (char *) malloc (strlen(ifname) + 64); + merror (ofname, "main()"); + if (write_to_stdout) + strcpy (ofname,_("standard output")); + else { + strcpy (ofname, ifname); + if ((cp = strrchr (ofname, '.'))) *cp = 0; + if (multi_out) + sprintf (ofname+strlen(ofname), "_%0*d", + snprintf(0,0,"%d",is_raw-1), shot_select); + if (thumbnail_only) + strcat (ofname, ".thumb"); + strcat (ofname, write_ext); + ofp = fopen (ofname, "wb"); + if (!ofp) { + status = 1; + perror (ofname); + goto cleanup; + } + } + if (verbose) + fprintf (stderr,_("Writing data to %s ...\n"), ofname); + (*write_fun)(ofp); + fclose(ifp); + if (ofp != stdout) fclose(ofp); +cleanup: + if (meta_data) free (meta_data); + if (ofname) free (ofname); + if (oprof) free (oprof); + if (image) free (image); + if (multi_out) { + if (++shot_select < is_raw) arg--; + else shot_select = 0; + } + } + return status; +} |