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lavc/tiff: add GeoTIFF support to the TIFF decoder 

Work done for SOCIS 2011.

See thread:
Subject: [libav-devel] [PATCH 2/3] tiff: Add GeoTIFF support to the TIFF decoder
Date: Tue,  4 Oct 2011 00:19:52 +0200

Signed-off-by: Stefano Sabatini <stefasab@gmail.com>
tags/n1.0
Thomas Kühnel Stefano Sabatini 14 years ago
parent
fb57180698
commit
75abfab6c6
7 changed files with 2374 additions and 7 deletions
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  1. +2
    -2
      libavcodec/Makefile
  2. +319
    -0
      libavcodec/tiff.c
  3. +88
    -2
      libavcodec/tiff.h
  4. +1870
    -0
      libavcodec/tiff_data.c
  5. +92
    -0
      libavcodec/tiff_data.h
  6. +2
    -2
      libavcodec/tiffenc.c
  7. +1
    -1
      libavcodec/version.h

+ 2
- 2
libavcodec/Makefile View File

@@ -444,8 +444,8 @@ OBJS-$(CONFIG_TARGA_ENCODER) += targaenc.o rle.o
OBJS-$(CONFIG_THEORA_DECODER) += xiph.o
OBJS-$(CONFIG_THP_DECODER) += mjpegdec.o mjpeg.o
OBJS-$(CONFIG_TIERTEXSEQVIDEO_DECODER) += tiertexseqv.o
OBJS-$(CONFIG_TIFF_DECODER) += tiff.o lzw.o faxcompr.o
OBJS-$(CONFIG_TIFF_ENCODER) += tiffenc.o rle.o lzwenc.o
OBJS-$(CONFIG_TIFF_DECODER) += tiff.o lzw.o faxcompr.o tiff_data.o
OBJS-$(CONFIG_TIFF_ENCODER) += tiffenc.o rle.o lzwenc.o tiff_data.o
OBJS-$(CONFIG_TMV_DECODER) += tmv.o cga_data.o
OBJS-$(CONFIG_TRUEHD_DECODER) += mlpdec.o mlpdsp.o
OBJS-$(CONFIG_TRUEMOTION1_DECODER) += truemotion1.o


+ 319
- 0
libavcodec/tiff.c View File

@@ -30,10 +30,12 @@
#endif
#include "lzw.h"
#include "tiff.h"
#include "tiff_data.h"
#include "faxcompr.h"
#include "libavutil/common.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/imgutils.h"
#include "libavutil/avstring.h"

typedef struct TiffContext {
AVCodecContext *avctx;
@@ -56,6 +58,9 @@ typedef struct TiffContext {
const uint8_t *stripsizes;
int stripsize, stripoff;
LZWState *lzw;

int geotag_count;
TiffGeoTag *geotags;
} TiffContext;

static unsigned tget_short(const uint8_t **p, int le)
@@ -72,6 +77,13 @@ static unsigned tget_long(const uint8_t **p, int le)
return v;
}

static double tget_double(const uint8_t **p, int le)
{
av_alias64 i = { .u64 = le ? AV_RL64(*p) : AV_RB64(*p)};
*p += 8;
return i.f64;
}

static unsigned tget(const uint8_t **p, int type, int le)
{
switch (type) {
@@ -82,6 +94,202 @@ static unsigned tget(const uint8_t **p, int type, int le)
}
}

static void free_geotags(TiffContext *const s)
{
int i;
for (i = 0; i < s->geotag_count; i++) {
if (s->geotags[i].val)
av_freep(&s->geotags[i].val);
}
av_freep(&s->geotags);
}

#define RET_GEOKEY(TYPE, array, element)\
if (key >= TIFF_##TYPE##_KEY_ID_OFFSET &&\
key - TIFF_##TYPE##_KEY_ID_OFFSET < FF_ARRAY_ELEMS(ff_tiff_##array##_name_type_map))\
return ff_tiff_##array##_name_type_map[key - TIFF_##TYPE##_KEY_ID_OFFSET].element;

static const char *get_geokey_name(int key)
{
RET_GEOKEY(VERT, vert, name);
RET_GEOKEY(PROJ, proj, name);
RET_GEOKEY(GEOG, geog, name);
RET_GEOKEY(CONF, conf, name);

return NULL;
}

static int get_geokey_type(int key)
{
RET_GEOKEY(VERT, vert, type);
RET_GEOKEY(PROJ, proj, type);
RET_GEOKEY(GEOG, geog, type);
RET_GEOKEY(CONF, conf, type);

return AVERROR_INVALIDDATA;
}

static int cmp_id_key(const void *id, const void *k)
{
return *(const int*)id - ((const TiffGeoTagKeyName*)k)->key;
}

static const char *search_keyval(const TiffGeoTagKeyName *keys, int n, int id)
{
return ((TiffGeoTagKeyName*)bsearch(&id, keys, n, sizeof(keys[0]), cmp_id_key))->name;
}

static char *get_geokey_val(int key, int val)
{
char *ap;

if (val == TIFF_GEO_KEY_UNDEFINED)
return av_strdup("undefined");
if (val == TIFF_GEO_KEY_USER_DEFINED)
return av_strdup("User-Defined");

#define RET_GEOKEY_VAL(TYPE, array)\
if (val >= TIFF_##TYPE##_OFFSET &&\
val - TIFF_##TYPE##_OFFSET < FF_ARRAY_ELEMS(ff_tiff_##array##_codes))\
return av_strdup(ff_tiff_##array##_codes[val - TIFF_##TYPE##_OFFSET]);

switch (key) {
case TIFF_GT_MODEL_TYPE_GEOKEY:
RET_GEOKEY_VAL(GT_MODEL_TYPE, gt_model_type);
break;
case TIFF_GT_RASTER_TYPE_GEOKEY:
RET_GEOKEY_VAL(GT_RASTER_TYPE, gt_raster_type);
break;
case TIFF_GEOG_LINEAR_UNITS_GEOKEY:
case TIFF_PROJ_LINEAR_UNITS_GEOKEY:
case TIFF_VERTICAL_UNITS_GEOKEY:
RET_GEOKEY_VAL(LINEAR_UNIT, linear_unit);
break;
case TIFF_GEOG_ANGULAR_UNITS_GEOKEY:
case TIFF_GEOG_AZIMUTH_UNITS_GEOKEY:
RET_GEOKEY_VAL(ANGULAR_UNIT, angular_unit);
break;
case TIFF_GEOGRAPHIC_TYPE_GEOKEY:
RET_GEOKEY_VAL(GCS_TYPE, gcs_type);
RET_GEOKEY_VAL(GCSE_TYPE, gcse_type);
break;
case TIFF_GEOG_GEODETIC_DATUM_GEOKEY:
RET_GEOKEY_VAL(GEODETIC_DATUM, geodetic_datum);
RET_GEOKEY_VAL(GEODETIC_DATUM_E, geodetic_datum_e);
break;
case TIFF_GEOG_ELLIPSOID_GEOKEY:
RET_GEOKEY_VAL(ELLIPSOID, ellipsoid);
break;
case TIFF_GEOG_PRIME_MERIDIAN_GEOKEY:
RET_GEOKEY_VAL(PRIME_MERIDIAN, prime_meridian);
break;
case TIFF_PROJECTED_CS_TYPE_GEOKEY:
return av_strdup(search_keyval(ff_tiff_proj_cs_type_codes, FF_ARRAY_ELEMS(ff_tiff_proj_cs_type_codes), val));
break;
case TIFF_PROJECTION_GEOKEY:
return av_strdup(search_keyval(ff_tiff_projection_codes, FF_ARRAY_ELEMS(ff_tiff_projection_codes), val));
break;
case TIFF_PROJ_COORD_TRANS_GEOKEY:
RET_GEOKEY_VAL(COORD_TRANS, coord_trans);
break;
case TIFF_VERTICAL_CS_TYPE_GEOKEY:
RET_GEOKEY_VAL(VERT_CS, vert_cs);
RET_GEOKEY_VAL(ORTHO_VERT_CS, ortho_vert_cs);
break;

}

ap = av_malloc(14);
if (ap)
snprintf(ap, 14, "Unknown-%d", val);
return ap;
}

static char *doubles2str(double *dp, int count, const char *sep)
{
int i;
char *ap, *ap0;
if (!sep) sep = ", ";
ap = av_malloc((15 + strlen(sep)) * count);
if (!ap)
return NULL;
ap0 = ap;
ap[0] = '\0';
for (i = 0; i < count; i++) {
int l = snprintf(ap, 15 + strlen(sep), "%f%s", dp[i], sep);
ap += l;
}
ap0[strlen(ap0) - strlen(sep)] = '\0';
return ap0;
}

static char *shorts2str(int *sp, int count, const char *sep)
{
int i;
char *ap, *ap0;
if (!sep) sep = ", ";
ap = av_malloc((5 + strlen(sep)) * count);
if (!ap)
return NULL;
ap0 = ap;
ap[0] = '\0';
for (i = 0; i < count; i++) {
int l = snprintf(ap, 5 + strlen(sep), "%d%s", sp[i], sep);
ap += l;
}
ap0[strlen(ap0) - strlen(sep)] = '\0';
return ap0;
}

static int add_doubles_metadata(const uint8_t **buf, int count,
const char *name, const char *sep,
TiffContext *s)
{
char *ap;
int i;
double *dp = av_malloc(count * sizeof(double));
if (!dp)
return AVERROR(ENOMEM);

for (i = 0; i < count; i++)
dp[i] = tget_double(buf, s->le);
ap = doubles2str(dp, count, sep);
av_freep(&dp);
if (!ap)
return AVERROR(ENOMEM);
av_dict_set(&s->picture.metadata, name, ap, AV_DICT_DONT_STRDUP_VAL);
return 0;
}

static int add_shorts_metadata(const uint8_t **buf, int count, const char *name,
const char *sep, TiffContext *s)
{
char *ap;
int i;
int *sp = av_malloc(count * sizeof(int));
if (!sp)
return AVERROR(ENOMEM);

for (i = 0; i < count; i++)
sp[i] = tget_short(buf, s->le);
ap = shorts2str(sp, count, sep);
av_freep(&sp);
if (!ap)
return AVERROR(ENOMEM);
av_dict_set(&s->picture.metadata, name, ap, AV_DICT_DONT_STRDUP_VAL);
return 0;
}

static int add_metadata(const uint8_t **buf, int count, int type,
const char *name, const char *sep, TiffContext *s)
{
switch(type) {
case TIFF_DOUBLE: return add_doubles_metadata(buf, count, name, sep, s);
case TIFF_SHORT : return add_shorts_metadata(buf, count, name, sep, s);
default : return AVERROR_INVALIDDATA;
};
}

#if CONFIG_ZLIB
static int tiff_uncompress(uint8_t *dst, unsigned long *len, const uint8_t *src,
int size)
@@ -372,8 +580,10 @@ static int tiff_decode_tag(TiffContext *s, const uint8_t *start,
{
unsigned tag, type, count, off, value = 0;
int i, j;
int ret;
uint32_t *pal;
const uint8_t *rp, *gp, *bp;
double *dp;

if (end_buf - buf < 12)
return -1;
@@ -608,6 +818,89 @@ static int tiff_decode_tag(TiffContext *s, const uint8_t *start,
if (s->compr == TIFF_G4)
s->fax_opts = value;
break;
#define ADD_METADATA(count, name, sep)\
if (ret = add_metadata(&buf, count, type, name, sep, s) < 0) {\
av_log(s->avctx, AV_LOG_ERROR, "Error allocating temporary buffer\n");\
return ret;\
}
case TIFF_MODEL_PIXEL_SCALE:
ADD_METADATA(count, "ModelPixelScaleTag", NULL);
break;
case TIFF_MODEL_TRANSFORMATION:
ADD_METADATA(count, "ModelTransformationTag", NULL);
break;
case TIFF_MODEL_TIEPOINT:
ADD_METADATA(count, "ModelTiepointTag", NULL);
break;
case TIFF_GEO_KEY_DIRECTORY:
ADD_METADATA(1, "GeoTIFF_Version", NULL);
ADD_METADATA(2, "GeoTIFF_Key_Revision", ".");
s->geotag_count = tget_short(&buf, s->le);
if (s->geotag_count > count / 4 - 1) {
s->geotag_count = count / 4 - 1;
av_log(s->avctx, AV_LOG_WARNING, "GeoTIFF key directory buffer shorter than specified\n");
}
s->geotags = av_mallocz(sizeof(TiffGeoTag) * s->geotag_count);
if (!s->geotags) {
av_log(s->avctx, AV_LOG_ERROR, "Error allocating temporary buffer\n");
return AVERROR(ENOMEM);
}
for (i = 0; i < s->geotag_count; i++) {
s->geotags[i].key = tget_short(&buf, s->le);
s->geotags[i].type = tget_short(&buf, s->le);
s->geotags[i].count = tget_short(&buf, s->le);

if (!s->geotags[i].type)
s->geotags[i].val = get_geokey_val(s->geotags[i].key, tget_short(&buf, s->le));
else
s->geotags[i].offset = tget_short(&buf, s->le);
}
break;
case TIFF_GEO_DOUBLE_PARAMS:
dp = av_malloc(count * sizeof(double));
if (!dp) {
av_log(s->avctx, AV_LOG_ERROR, "Error allocating temporary buffer\n");
return AVERROR(ENOMEM);
}
for (i = 0; i < count; i++)
dp[i] = tget_double(&buf, s->le);
for (i = 0; i < s->geotag_count; i++) {
if (s->geotags[i].type == TIFF_GEO_DOUBLE_PARAMS) {
if (s->geotags[i].count == 0
|| s->geotags[i].offset + s->geotags[i].count > count) {
av_log(s->avctx, AV_LOG_WARNING, "Invalid GeoTIFF key %d\n", s->geotags[i].key);
} else {
char *ap = doubles2str(&dp[s->geotags[i].offset], s->geotags[i].count, ", ");
if (!ap) {
av_log(s->avctx, AV_LOG_ERROR, "Error allocating temporary buffer\n");
av_freep(&dp);
return AVERROR(ENOMEM);
}
s->geotags[i].val = ap;
}
}
}
av_freep(&dp);
break;
case TIFF_GEO_ASCII_PARAMS:
for (i = 0; i < s->geotag_count; i++) {
if (s->geotags[i].type == TIFF_GEO_ASCII_PARAMS) {
if (s->geotags[i].count == 0
|| s->geotags[i].offset + s->geotags[i].count > count) {
av_log(s->avctx, AV_LOG_WARNING, "Invalid GeoTIFF key %d\n", s->geotags[i].key);
} else {
char *ap = av_malloc(s->geotags[i].count);
if (!ap) {
av_log(s->avctx, AV_LOG_ERROR, "Error allocating temporary buffer\n");
return AVERROR(ENOMEM);
}
memcpy(ap, &buf[s->geotags[i].offset], s->geotags[i].count);
ap[s->geotags[i].count - 1] = '\0'; //replace the "|" delimiter with a 0 byte
s->geotags[i].val = ap;
}
}
}
break;
default:
av_log(s->avctx, AV_LOG_DEBUG, "Unknown or unsupported tag %d/0X%0X\n",
tag, tag);
@@ -648,6 +941,10 @@ static int decode_frame(AVCodecContext *avctx,
s->invert = 0;
s->compr = TIFF_RAW;
s->fill_order = 0;
free_geotags(s);
/* free existing metadata */
av_dict_free(&s->picture.metadata);

// As TIFF 6.0 specification puts it "An arbitrary but carefully chosen number
// that further identifies the file as a TIFF file"
if (tget_short(&buf, le) != 42) {
@@ -670,6 +967,24 @@ static int decode_frame(AVCodecContext *avctx,
return -1;
buf += 12;
}

for (i = 0; i<s->geotag_count; i++) {
const char *keyname = get_geokey_name(s->geotags[i].key);
if (!keyname) {
av_log(avctx, AV_LOG_WARNING, "Unknown or unsupported GeoTIFF key %d\n", s->geotags[i].key);
continue;
}
if (get_geokey_type(s->geotags[i].key) != s->geotags[i].type) {
av_log(avctx, AV_LOG_WARNING, "Type of GeoTIFF key %d is wrong\n", s->geotags[i].key);
continue;
}
ret = av_dict_set(&s->picture.metadata, keyname, s->geotags[i].val, 0);
if (ret<0) {
av_log(avctx, AV_LOG_ERROR, "Writing metadata with key '%s' failed\n", keyname);
return ret;
}
}

if (!s->stripdata && !s->stripoff) {
av_log(avctx, AV_LOG_ERROR, "Image data is missing\n");
return -1;
@@ -768,6 +1083,10 @@ static av_cold int tiff_end(AVCodecContext *avctx)
{
TiffContext *const s = avctx->priv_data;

free_geotags(s);
if (avctx->coded_frame && avctx->coded_frame->metadata)
av_dict_free(&avctx->coded_frame->metadata);

ff_lzw_decode_close(&s->lzw);
if (s->picture.data[0])
avctx->release_buffer(avctx, &s->picture);


+ 88
- 2
libavcodec/tiff.h View File

@@ -64,6 +64,12 @@ enum TiffTags{
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 */
@@ -86,11 +92,91 @@ enum TiffTypes{
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[6] = {
0, 1, 100, 2, 4, 8
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 */

+ 1870
- 0
libavcodec/tiff_data.c
File diff suppressed because it is too large
View File


+ 92
- 0
libavcodec/tiff_data.h View File

@@ -0,0 +1,92 @@
/*
* TIFF data tables
* Copyright (c) 2011 Thomas Kuehnel
*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/

/**
* @file
* TIFF data tables
* @author Thomas Kuehnel
* @see GeoTIFF specification at
* http://www.remotesensing.org/geotiff/spec/geotiffhome.html
*/

#ifndef AVCODEC_TIFF_DATA_H
#define AVCODEC_TIFF_DATA_H

#include "tiff.h"

#define TIFF_CONF_KEY_ID_OFFSET 1024
extern const TiffGeoTagNameType ff_tiff_conf_name_type_map[3];

#define TIFF_GEOG_KEY_ID_OFFSET 2048
extern const TiffGeoTagNameType ff_tiff_geog_name_type_map[14];

#define TIFF_PROJ_KEY_ID_OFFSET 3072
extern const TiffGeoTagNameType ff_tiff_proj_name_type_map[24];

#define TIFF_VERT_KEY_ID_OFFSET 4096
extern const TiffGeoTagNameType ff_tiff_vert_name_type_map[4];

#define TIFF_GEO_KEY_UNDEFINED 0
#define TIFF_GEO_KEY_USER_DEFINED 32767

#define TIFF_GT_MODEL_TYPE_OFFSET 1
extern const char *const ff_tiff_gt_model_type_codes[3];

#define TIFF_GT_RASTER_TYPE_OFFSET 1
extern const char *const ff_tiff_gt_raster_type_codes[2];

#define TIFF_LINEAR_UNIT_OFFSET 9001
extern const char *const ff_tiff_linear_unit_codes[15];

#define TIFF_ANGULAR_UNIT_OFFSET 9101
extern const char *const ff_tiff_angular_unit_codes[8];

#define TIFF_GCS_TYPE_OFFSET 4201
extern const char *const ff_tiff_gcs_type_codes[133];

#define TIFF_GCSE_TYPE_OFFSET 4001
extern const char *const ff_tiff_gcse_type_codes[35];

#define TIFF_GEODETIC_DATUM_OFFSET 6201
extern const char *const ff_tiff_geodetic_datum_codes[120];

#define TIFF_GEODETIC_DATUM_E_OFFSET 6001
extern const char *const ff_tiff_geodetic_datum_e_codes[35];

#define TIFF_ELLIPSOID_OFFSET 7001
extern const char *const ff_tiff_ellipsoid_codes[35];

#define TIFF_PRIME_MERIDIAN_OFFSET 8901
extern const char *const ff_tiff_prime_meridian_codes[11];

extern const TiffGeoTagKeyName ff_tiff_proj_cs_type_codes[978];

extern const TiffGeoTagKeyName ff_tiff_projection_codes[298];

#define TIFF_COORD_TRANS_OFFSET 1
extern const char *const ff_tiff_coord_trans_codes[27];

#define TIFF_VERT_CS_OFFSET 5001
extern const char *const ff_tiff_vert_cs_codes[32];

#define TIFF_ORTHO_VERT_CS_OFFSET 5101
extern const char *const ff_tiff_ortho_vert_cs_codes[6];
#endif

+ 2
- 2
libavcodec/tiffenc.c View File

@@ -44,8 +44,8 @@
#define TIFF_MAX_ENTRY 32

/** sizes of various TIFF field types (string size = 1)*/
static const uint8_t type_sizes2[6] = {
0, 1, 1, 2, 4, 8
static const uint8_t type_sizes2[14] = {
0, 1, 1, 2, 4, 8, 1, 1, 2, 4, 8, 4, 8, 4
};

typedef struct TiffEncoderContext {


+ 1
- 1
libavcodec/version.h View File

@@ -28,7 +28,7 @@

#define LIBAVCODEC_VERSION_MAJOR 54
#define LIBAVCODEC_VERSION_MINOR 38
#define LIBAVCODEC_VERSION_MICRO 100
#define LIBAVCODEC_VERSION_MICRO 101

#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
LIBAVCODEC_VERSION_MINOR, \


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