FFmpeg/libavcodec/tiff.h

/*
 * Copyright (c) 2006 Konstantin Shishkov
 *
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * FFmpeg is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

/**
 * @file
 * TIFF tables
 *
 * For more information about the TIFF format, check the official docs at:
 * http://partners.adobe.com/public/developer/tiff/index.html
 * @author Konstantin Shishkov
 */

#ifndef AVCODEC_TIFF_H
#define AVCODEC_TIFF_H

#include <stdint.h>

/** abridged list of TIFF tags */
enum TiffTags{
    TIFF_SUBFILE = 0xfe,
    TIFF_WIDTH = 0x100,
    TIFF_HEIGHT,
    TIFF_BPP,
    TIFF_COMPR,
    TIFF_INVERT = 0x106,
    TIFF_FILL_ORDER = 0x10A,
    TIFF_STRIP_OFFS = 0x111,
    TIFF_SAMPLES_PER_PIXEL = 0x115,
    TIFF_ROWSPERSTRIP = 0x116,
    TIFF_STRIP_SIZE,
    TIFF_XRES = 0x11A,
    TIFF_YRES = 0x11B,
    TIFF_PLANAR = 0x11C,
    TIFF_XPOS = 0x11E,
    TIFF_YPOS = 0x11F,
    TIFF_T4OPTIONS = 0x124,
    TIFF_T6OPTIONS,
    TIFF_RES_UNIT = 0x128,
    TIFF_SOFTWARE_NAME = 0x131,
    TIFF_PREDICTOR = 0x13D,
    TIFF_PAL = 0x140,
    TIFF_TILE_WIDTH = 0x142,
    TIFF_TILE_LENGTH = 0x143,
    TIFF_TILE_OFFSETS = 0x144,
    TIFF_TILE_BYTE_COUNTS = 0x145,
    TIFF_YCBCR_COEFFICIENTS = 0x211,
    TIFF_YCBCR_SUBSAMPLING = 0x212,
    TIFF_YCBCR_POSITIONING = 0x213,
    TIFF_REFERENCE_BW = 0x214,
    TIFF_MODEL_TIEPOINT = 0x8482,
    TIFF_MODEL_PIXEL_SCALE = 0x830E,
    TIFF_MODEL_TRANSFORMATION = 0x8480,
    TIFF_GEO_KEY_DIRECTORY = 0x87AF,
    TIFF_GEO_DOUBLE_PARAMS = 0x87B0,
    TIFF_GEO_ASCII_PARAMS = 0x87B1
};

/** list of TIFF compression types */
enum TiffCompr{
    TIFF_RAW = 1,
    TIFF_CCITT_RLE,
    TIFF_G3,
    TIFF_G4,
    TIFF_LZW,
    TIFF_JPEG,
    TIFF_NEWJPEG,
    TIFF_ADOBE_DEFLATE,
    TIFF_PACKBITS = 0x8005,
    TIFF_DEFLATE = 0x80B2
};

enum TiffTypes{
    TIFF_BYTE = 1,
    TIFF_STRING,
    TIFF_SHORT,
    TIFF_LONG,
    TIFF_RATIONAL,
    TIFF_SBYTE,
    TIFF_UNDEFINED,
    TIFF_SSHORT,
    TIFF_SLONG,
    TIFF_SRATIONAL,
    TIFF_FLOAT,
    TIFF_DOUBLE,
    TIFF_IFD
};

enum TiffGeoTagKey {
    TIFF_GT_MODEL_TYPE_GEOKEY                = 1024,
    TIFF_GT_RASTER_TYPE_GEOKEY               = 1025,
    TIFF_GT_CITATION_GEOKEY                  = 1026,
    TIFF_GEOGRAPHIC_TYPE_GEOKEY              = 2048,
    TIFF_GEOG_CITATION_GEOKEY                = 2049,
    TIFF_GEOG_GEODETIC_DATUM_GEOKEY          = 2050,
    TIFF_GEOG_PRIME_MERIDIAN_GEOKEY          = 2051,
    TIFF_GEOG_LINEAR_UNITS_GEOKEY            = 2052,
    TIFF_GEOG_LINEAR_UNIT_SIZE_GEOKEY        = 2053,
    TIFF_GEOG_ANGULAR_UNITS_GEOKEY           = 2054,
    TIFF_GEOG_ANGULAR_UNIT_SIZE_GEOKEY       = 2055,
    TIFF_GEOG_ELLIPSOID_GEOKEY               = 2056,
    TIFF_GEOG_SEMI_MAJOR_AXIS_GEOKEY         = 2057,
    TIFF_GEOG_SEMI_MINOR_AXIS_GEOKEY         = 2058,
    TIFF_GEOG_INV_FLATTENING_GEOKEY          = 2059,
    TIFF_GEOG_AZIMUTH_UNITS_GEOKEY           = 2060,
    TIFF_GEOG_PRIME_MERIDIAN_LONG_GEOKEY     = 2061,
    TIFF_PROJECTED_CS_TYPE_GEOKEY            = 3072,
    TIFF_PCS_CITATION_GEOKEY                 = 3073,
    TIFF_PROJECTION_GEOKEY                   = 3074,
    TIFF_PROJ_COORD_TRANS_GEOKEY             = 3075,
    TIFF_PROJ_LINEAR_UNITS_GEOKEY            = 3076,
    TIFF_PROJ_LINEAR_UNIT_SIZE_GEOKEY        = 3077,
    TIFF_PROJ_STD_PARALLEL1_GEOKEY           = 3078,
    TIFF_PROJ_STD_PARALLEL2_GEOKEY           = 3079,
    TIFF_PROJ_NAT_ORIGIN_LONG_GEOKEY         = 3080,
    TIFF_PROJ_NAT_ORIGIN_LAT_GEOKEY          = 3081,
    TIFF_PROJ_FALSE_EASTING_GEOKEY           = 3082,
    TIFF_PROJ_FALSE_NORTHING_GEOKEY          = 3083,
    TIFF_PROJ_FALSE_ORIGIN_LONG_GEOKEY       = 3084,
    TIFF_PROJ_FALSE_ORIGIN_LAT_GEOKEY        = 3085,
    TIFF_PROJ_FALSE_ORIGIN_EASTING_GEOKEY    = 3086,
    TIFF_PROJ_FALSE_ORIGIN_NORTHING_GEOKEY   = 3087,
    TIFF_PROJ_CENTER_LONG_GEOKEY             = 3088,
    TIFF_PROJ_CENTER_LAT_GEOKEY              = 3089,
    TIFF_PROJ_CENTER_EASTING_GEOKEY          = 3090,
    TIFF_PROJ_CENTER_NORTHING_GEOKEY         = 3091,
    TIFF_PROJ_SCALE_AT_NAT_ORIGIN_GEOKEY     = 3092,
    TIFF_PROJ_SCALE_AT_CENTER_GEOKEY         = 3093,
    TIFF_PROJ_AZIMUTH_ANGLE_GEOKEY           = 3094,
    TIFF_PROJ_STRAIGHT_VERT_POLE_LONG_GEOKEY = 3095,
    TIFF_VERTICAL_CS_TYPE_GEOKEY             = 4096,
    TIFF_VERTICAL_CITATION_GEOKEY            = 4097,
    TIFF_VERTICAL_DATUM_GEOKEY               = 4098,
    TIFF_VERTICAL_UNITS_GEOKEY               = 4099
};

enum TiffGeoTagType {
    GEOTIFF_SHORT  = 0,
    GEOTIFF_DOUBLE = 34736,
    GEOTIFF_STRING = 34737
};

/** sizes of various TIFF field types (string size = 100)*/
static const uint8_t type_sizes[14] = {
    0, 1, 100, 2, 4, 8, 1, 1, 2, 4, 8, 4, 8, 4
};

typedef struct TiffGeoTag {
    enum TiffGeoTagKey key;
    enum TiffTags type;
    int count;
    int offset;
    char *val;
} TiffGeoTag;

typedef struct TiffGeoTagKeyName {
    const enum TiffGeoTagKey key;
    const char *const name;
} TiffGeoTagKeyName;

typedef struct TiffGeoTagNameType {
    const char *const name;
    const enum TiffGeoTagType type;
} TiffGeoTagNameType;

#endif /* AVCODEC_TIFF_H */