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https://github.com/FFmpeg/FFmpeg.git
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282812d6dc
Instead store all the strings in one continugous string (with internal \0) and use offsets to access the actual substrings. This replaces the pointers to the strings and therefore avoids relocations (and on x64, it actually shrinks TiffGeoTagNameType by reusing padding to store the offset field). This saves 720B of .data.rel.ro and 1080B of .rela.dyn (containing the relocation records) here while increasing .rodata by 384B. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
226 lines
8.1 KiB
C
226 lines
8.1 KiB
C
/*
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* Copyright (c) 2006 Konstantin Shishkov
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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* TIFF constants & data structures
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*
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* For more information about the TIFF format, check the official docs at:
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* http://partners.adobe.com/public/developer/tiff/index.html
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* @author Konstantin Shishkov
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*/
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#ifndef AVCODEC_TIFF_H
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#define AVCODEC_TIFF_H
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/** TIFF types in ascenting priority (last in the list is highest) */
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enum TiffType {
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/** TIFF image based on the TIFF 6.0 or TIFF/EP (ISO 12234-2) specifications */
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TIFF_TYPE_TIFF,
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/** Digital Negative (DNG) image */
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TIFF_TYPE_DNG,
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/** Digital Negative (DNG) image part of an CinemaDNG image sequence */
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TIFF_TYPE_CINEMADNG,
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};
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/** abridged list of TIFF and TIFF/EP tags */
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enum TiffTags {
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TIFF_SUBFILE = 0xfe,
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TIFF_WIDTH = 0x100,
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TIFF_HEIGHT,
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TIFF_BPP,
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TIFF_COMPR,
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TIFF_PHOTOMETRIC = 0x106,
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TIFF_FILL_ORDER = 0x10A,
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TIFF_DOCUMENT_NAME = 0x10D,
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TIFF_IMAGE_DESCRIPTION = 0x10E,
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TIFF_MAKE = 0x10F,
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TIFF_MODEL = 0x110,
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TIFF_STRIP_OFFS = 0x111,
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TIFF_SAMPLES_PER_PIXEL = 0x115,
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TIFF_ROWSPERSTRIP = 0x116,
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TIFF_STRIP_SIZE,
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TIFF_XRES = 0x11A,
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TIFF_YRES = 0x11B,
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TIFF_PLANAR = 0x11C,
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TIFF_PAGE_NAME = 0x11D,
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TIFF_XPOS = 0x11E,
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TIFF_YPOS = 0x11F,
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TIFF_GRAY_RESPONSE_CURVE= 0x123,
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TIFF_T4OPTIONS = 0x124,
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TIFF_T6OPTIONS,
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TIFF_RES_UNIT = 0x128,
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TIFF_PAGE_NUMBER = 0x129,
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TIFF_SOFTWARE_NAME = 0x131,
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TIFF_DATE = 0x132,
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TIFF_ARTIST = 0x13B,
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TIFF_HOST_COMPUTER = 0x13C,
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TIFF_PREDICTOR = 0x13D,
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TIFF_PAL = 0x140,
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TIFF_TILE_WIDTH = 0x142,
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TIFF_TILE_LENGTH = 0x143,
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TIFF_TILE_OFFSETS = 0x144,
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TIFF_TILE_BYTE_COUNTS = 0x145,
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TIFF_SUB_IFDS = 0x14A,
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TIFF_EXTRASAMPLES = 0x152,
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TIFF_YCBCR_COEFFICIENTS = 0x211,
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TIFF_YCBCR_SUBSAMPLING = 0x212,
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TIFF_YCBCR_POSITIONING = 0x213,
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TIFF_REFERENCE_BW = 0x214,
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TIFF_CFA_PATTERN_DIM = 0x828D,
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TIFF_CFA_PATTERN = 0x828E,
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TIFF_COPYRIGHT = 0x8298,
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TIFF_MODEL_TIEPOINT = 0x8482,
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TIFF_MODEL_PIXEL_SCALE = 0x830E,
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TIFF_MODEL_TRANSFORMATION= 0x8480,
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TIFF_ICC_PROFILE = 0x8773,
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TIFF_GEO_KEY_DIRECTORY = 0x87AF,
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TIFF_GEO_DOUBLE_PARAMS = 0x87B0,
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TIFF_GEO_ASCII_PARAMS = 0x87B1,
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};
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/** abridged list of DNG tags */
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enum DngTags {
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DNG_VERSION = 0xC612,
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DNG_BACKWARD_VERSION = 0xC613,
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DNG_LINEARIZATION_TABLE = 0xC618,
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DNG_BLACK_LEVEL = 0xC61A,
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DNG_WHITE_LEVEL = 0xC61D,
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DNG_COLOR_MATRIX1 = 0xC621,
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DNG_COLOR_MATRIX2 = 0xC622,
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DNG_CAMERA_CALIBRATION1 = 0xC623,
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DNG_CAMERA_CALIBRATION2 = 0xC624,
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DNG_ANALOG_BALANCE = 0xC627,
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DNG_AS_SHOT_NEUTRAL = 0xC628,
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DNG_AS_SHOT_WHITE_XY = 0xC629,
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};
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/** list of CinemaDNG tags */
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enum CinemaDngTags {
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CINEMADNG_TIME_CODES = 0xC763,
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CINEMADNG_FRAME_RATE = 0xC764,
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CINEMADNG_T_STOP = 0xC772,
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CINEMADNG_REEL_NAME = 0xC789,
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CINEMADNG_CAMERA_LABEL = 0xC7A1,
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};
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/** list of TIFF, TIFF/EP and DNG compression types */
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enum TiffCompr {
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TIFF_RAW = 1,
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TIFF_CCITT_RLE,
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TIFF_G3,
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TIFF_G4,
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TIFF_LZW,
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TIFF_JPEG,
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TIFF_NEWJPEG,
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TIFF_ADOBE_DEFLATE,
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TIFF_PACKBITS = 0x8005,
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TIFF_DEFLATE = 0x80B2,
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TIFF_LZMA = 0x886D,
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};
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enum TiffGeoTagKey {
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TIFF_GT_MODEL_TYPE_GEOKEY = 1024,
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TIFF_GT_RASTER_TYPE_GEOKEY = 1025,
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TIFF_GT_CITATION_GEOKEY = 1026,
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TIFF_GEOGRAPHIC_TYPE_GEOKEY = 2048,
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TIFF_GEOG_CITATION_GEOKEY = 2049,
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TIFF_GEOG_GEODETIC_DATUM_GEOKEY = 2050,
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TIFF_GEOG_PRIME_MERIDIAN_GEOKEY = 2051,
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TIFF_GEOG_LINEAR_UNITS_GEOKEY = 2052,
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TIFF_GEOG_LINEAR_UNIT_SIZE_GEOKEY = 2053,
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TIFF_GEOG_ANGULAR_UNITS_GEOKEY = 2054,
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TIFF_GEOG_ANGULAR_UNIT_SIZE_GEOKEY = 2055,
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TIFF_GEOG_ELLIPSOID_GEOKEY = 2056,
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TIFF_GEOG_SEMI_MAJOR_AXIS_GEOKEY = 2057,
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TIFF_GEOG_SEMI_MINOR_AXIS_GEOKEY = 2058,
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TIFF_GEOG_INV_FLATTENING_GEOKEY = 2059,
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TIFF_GEOG_AZIMUTH_UNITS_GEOKEY = 2060,
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TIFF_GEOG_PRIME_MERIDIAN_LONG_GEOKEY = 2061,
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TIFF_PROJECTED_CS_TYPE_GEOKEY = 3072,
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TIFF_PCS_CITATION_GEOKEY = 3073,
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TIFF_PROJECTION_GEOKEY = 3074,
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TIFF_PROJ_COORD_TRANS_GEOKEY = 3075,
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TIFF_PROJ_LINEAR_UNITS_GEOKEY = 3076,
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TIFF_PROJ_LINEAR_UNIT_SIZE_GEOKEY = 3077,
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TIFF_PROJ_STD_PARALLEL1_GEOKEY = 3078,
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TIFF_PROJ_STD_PARALLEL2_GEOKEY = 3079,
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TIFF_PROJ_NAT_ORIGIN_LONG_GEOKEY = 3080,
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TIFF_PROJ_NAT_ORIGIN_LAT_GEOKEY = 3081,
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TIFF_PROJ_FALSE_EASTING_GEOKEY = 3082,
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TIFF_PROJ_FALSE_NORTHING_GEOKEY = 3083,
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TIFF_PROJ_FALSE_ORIGIN_LONG_GEOKEY = 3084,
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TIFF_PROJ_FALSE_ORIGIN_LAT_GEOKEY = 3085,
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TIFF_PROJ_FALSE_ORIGIN_EASTING_GEOKEY = 3086,
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TIFF_PROJ_FALSE_ORIGIN_NORTHING_GEOKEY = 3087,
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TIFF_PROJ_CENTER_LONG_GEOKEY = 3088,
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TIFF_PROJ_CENTER_LAT_GEOKEY = 3089,
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TIFF_PROJ_CENTER_EASTING_GEOKEY = 3090,
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TIFF_PROJ_CENTER_NORTHING_GEOKEY = 3091,
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TIFF_PROJ_SCALE_AT_NAT_ORIGIN_GEOKEY = 3092,
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TIFF_PROJ_SCALE_AT_CENTER_GEOKEY = 3093,
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TIFF_PROJ_AZIMUTH_ANGLE_GEOKEY = 3094,
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TIFF_PROJ_STRAIGHT_VERT_POLE_LONG_GEOKEY = 3095,
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TIFF_VERTICAL_CS_TYPE_GEOKEY = 4096,
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TIFF_VERTICAL_CITATION_GEOKEY = 4097,
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TIFF_VERTICAL_DATUM_GEOKEY = 4098,
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TIFF_VERTICAL_UNITS_GEOKEY = 4099
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};
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/** list of TIFF, TIFF/AP and DNG PhotometricInterpretation (TIFF_PHOTOMETRIC) values */
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enum TiffPhotometric {
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TIFF_PHOTOMETRIC_NONE = -1,
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TIFF_PHOTOMETRIC_WHITE_IS_ZERO, /* mono or grayscale, 0 is white */
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TIFF_PHOTOMETRIC_BLACK_IS_ZERO, /* mono or grayscale, 0 is black */
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TIFF_PHOTOMETRIC_RGB, /* RGB or RGBA*/
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TIFF_PHOTOMETRIC_PALETTE, /* Uses a palette */
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TIFF_PHOTOMETRIC_ALPHA_MASK, /* Transparency mask */
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TIFF_PHOTOMETRIC_SEPARATED, /* CMYK or some other ink set */
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TIFF_PHOTOMETRIC_YCBCR, /* YCbCr */
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TIFF_PHOTOMETRIC_CIE_LAB = 8, /* 1976 CIE L*a*b* */
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TIFF_PHOTOMETRIC_ICC_LAB, /* ICC L*a*b* */
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TIFF_PHOTOMETRIC_ITU_LAB, /* ITU L*a*b* */
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TIFF_PHOTOMETRIC_CFA = 32803, /* Color Filter Array (TIFF/AP and DNG) */
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TIFF_PHOTOMETRIC_LOG_L = 32844, /* CIE Log2(L) */
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TIFF_PHOTOMETRIC_LOG_LUV, /* CIE Log L*u*v* */
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TIFF_PHOTOMETRIC_LINEAR_RAW = 34892, /* Linear Raw (DNG) */
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};
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enum TiffGeoTagType {
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GEOTIFF_SHORT = 0,
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GEOTIFF_DOUBLE = 34736,
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GEOTIFF_STRING = 34737
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};
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typedef struct TiffGeoTag {
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enum TiffGeoTagKey key;
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enum TiffTags type;
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int count;
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int offset;
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char *val;
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} TiffGeoTag;
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typedef struct TiffGeoTagKeyName {
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const enum TiffGeoTagKey key;
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const char *const name;
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} TiffGeoTagKeyName;
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#endif /* AVCODEC_TIFF_H */
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