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/* =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- */
/* EXIFPROBE - TIFF/JPEG/EXIF image file probe */
/* =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- */
/* Copyright (C) 2002,2005 by Duane H. Hesser. All rights reserved. */
/* */
/* See the file LICENSE.EXIFPROBE for terms of use. */
/* =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- */
#ifndef lint
static char *ModuleId = "@(#) $Id: misc.c,v 1.22 2005/07/24 16:01:17 alex Exp $";
#endif
#define _POSIX_C_SOURCE 200809L /* for strdup() */
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <stdlib.h>
#include "defs.h"
#include "datadefs.h"
#include "summary.h"
#include "maker.h"
#include "misc.h"
#include "tags.h"
#include "extern.h"
#include "ciff.h"
/* Return the size in bytes of a TIFF type */
int
value_type_size(unsigned short value_type)
{
int size = 0;
switch(value_type)
{
case BYTE:
case ASCII:
case SBYTE:
case UNDEFINED:
size = 1;
break;
case SHORT:
case SSHORT:
size = 2;
break;
case LONG:
case SLONG:
case FLOAT:
size = 4;
break;
case RATIONAL:
case SRATIONAL:
case DOUBLE:
size = 8;
break;
default:
break;
}
return(size);
}
/* Return a string naming the TIFF type of a TIFF entry */
char *
value_type_name(unsigned short value_type)
{
char *name;
switch(value_type)
{
case BYTE: name = "BYTE"; break;
case ASCII: name = "ASCII"; break;
case SBYTE: name = "SBYTE"; break;
case UNDEFINED: name = "UNDEFINED"; break;
case SHORT: name = "SHORT"; break;
case SSHORT: name = "SSHORT"; break;
case LONG: name = "LONG"; break;
case SLONG: name = "SLONG"; break;
case FLOAT: name = "FLOAT"; break;
case RATIONAL: name = "RATIONAL"; break;
case SRATIONAL: name = "SRATIONAL"; break;
case DOUBLE: name = "DOUBLE"; break;
default: name = "INVALID"; break;
}
return(name);
}
/* caller must call free() */
/* return NULL on error / buffer overflow */
char *
strdup_value(struct ifd_entry *entry, FILE *inptr,
unsigned long fileoffset_base)
{
char *val = NULL;
if (is_offset(entry))
{
char *buf = (char *)read_bytes(inptr,
entry->count,
fileoffset_base +
entry->value);
if (buf) {
val = strndup(buf, entry->count);
}
return val;
}
else
{
char *buf = (char *)&(entry->value);
val = (char*)calloc(entry->count + 1, sizeof(char));
for (int i = 0; i < entry->count; i++) {
val[i] = buf[i];
}
return val;
}
}
/* Print a summary of all of the images found in the file. This will */
/* include thumbnail images stored by the unpleasant but ubiquitous */
/* JPEFThumbnailFormat method as well as images described by TIFF */
/* IFDs and SubIFDS, APP0 thumbnails, CIFF subimages, etc. */
/* Even formats such as MRW or JP2 which might be considered */
/* single-image formats can harbor TIFF IFDs (in a TTW block or uuid */
/* box) which can in turn describe thumbnails or reduced resolution */
/* images, so almost any image file can harbor this kind of overhead. */
/* The summary attempts to report the image format, location, size, */
/* and compression type of each block of image data found. For JPEG */
/* subimages claimed by the file, missing or corrupted data may be */
/* reported. */
/* A count of apparently legitimate images found is given at the end, */
/* as well as a count of missing images. */
void
print_summary(struct image_summary *summary_entry)
{
int number_of_images = 0;
int images_found = 0;
int chpr = 0;
char *plural;
/* Pre-process the summary list; marks primary, reduced-res image */
/* types and attempts to avoid kruft from imcomplete summary */
/* entries. */
number_of_images = scan_summary(summary_entry);
for( ; summary_entry; summary_entry = summary_entry->next_entry)
{
PUSHCOLOR(SUMMARY_COLOR);
images_found += print_image_summary_entry(summary_entry,"@");
POPCOLOR();
}
chpr = newline(chpr);
plural = NULLSTRING;
print_filename();
if(LIST_MODE)
chpr += printf("NumberOfImages = %d",number_of_images);
else
chpr += printf("Number of images = %d",number_of_images);
if(number_of_images - images_found)
{
chpr = newline(chpr);
print_filename();
if(LIST_MODE)
chpr += printf("ImagesNotFound = %d",number_of_images - images_found);
else
chpr += printf("Images not found = %d",number_of_images - images_found);
}
chpr = newline(chpr);
}
/* Print one entry of the image summary. */
int
print_image_summary_entry(struct image_summary *entry,char *prefix)
{
int chpr = 0;
int image_found = 0;
if(entry && (entry->entry_lock > 0) && (entry->imageformat != IMGFMT_NOIMAGE))
{
/* Make shell comments out of these if addresses are not */
/* printed */
if(!(PRINT_ADDRESS))
chpr += printf("# ");
else
print_tag_address(SECTION|ENTRY|SEGMENT,entry->offset,0,"@");
if(Debug & 0x4)
chpr += printf("#%d: ",entry->entry_lock);
chpr += printf("Start of");
print_imageformat(entry);
if((entry->imagesubformat & ~IMGSUBFMT_ERRORMASK) != IMGSUBFMT_JPEGTABLES)
{
print_imagesubformat(entry);
print_imagecompression(entry);
print_imagesubtype(entry);
print_imagesize(entry);
print_location(entry);
++image_found;
}
else
chpr += printf(" length %lu",entry->length);
if(entry->imagesubformat & IMGSUBFMT_NO_JPEG)
{
printred(" (NO SOI)");
image_found = 0;
}
else if(entry->imagesubformat & IMGSUBFMT_JPEGFAILED)
printred(" (CORRUPTED)");
else if(entry->imagesubformat & IMGSUBFMT_TRUNCATED)
printred(" (TRUNCATED)");
if(entry->length > 0)
{
if((PRINT_ADDRESS) == 0) /* print_tag_address didn't do it */
chpr += printf(" at offset %#lx/%lu",entry->offset,entry->offset);
chpr = newline(chpr);
if((PRINT_ADDRESS) == 0)
chpr += printf("# ");
else
print_tag_address(SECTION|ENTRY|SEGMENT,
entry->offset + entry->length - 1,
0,"-");
chpr += printf(" End of");
print_imageformat(entry);
if(entry->imagesubformat != IMGSUBFMT_JPEGTABLES)
{
print_imagesubtype(entry);
if((PRINT_ADDRESS) == 0) /* print_tag_address didn't do it */
chpr += printf(" image data at offset %#lx/%lu",
entry->offset + entry->length - 1,
entry->offset + entry->length - 1);
else
chpr += printf(" image data");
}
if(entry->imageformat & IMGFMT_MISMARKED)
{
PUSHCOLOR(RED);
chpr += printf(" *uncompressed data marked as JPEG");
POPCOLOR();
}
chpr = newline(chpr);
}
else
{
printred(" (no image)");
image_found = 0;
}
}
chpr = newline(chpr);
return(image_found);
}
/* Scan the summary entry chain in an attempt to identify primary and */
/* reduced-resolution images. TIFF/EP marks types in NewSubfileType, */
/* but bare TIFF does not. Exif sometimes writes the primary image */
/* size (which is recorded in the summary entry passed to it), but */
/* many cameras write abbreviated Exif sections. */
/* This routine scans the image summary chain forward and back again, */
/* attempting to write any found primary image size to all entries */
/* and/or deduce which entry represents the primary image if none */
/* have been marked by TIFF/EP. This is easy when there are only one */
/* or two images, but a bit more trouble when there are 4 or 5. */
/* During the scan, the maximum image size encountered is recorded, */
/* and may be used to deduce the primary. It is assumed that the */
/* primary will be maximum size (in pixels); when there are ties, the */
/* image type and/or compression may be checked. Uncompressed, "raw" */
/* or "lossless" compression at maximum image size is likely the */
/* primary. */
/* ###%%% This routine is a work in progress; it will likely change */
/* and improve as more is learned about the ways in which */
/* manufacturers are mangling the specifications. The routine */
/* currently performs a useful and necessary task, and some largely */
/* useless work. It is heavily dependent upon the code 'out there' */
/* gathering and recording the proper information. */
/* This is called by the print_summary() routine just before printing */
/* the summary. It returns the number of images which are represented */
/* by summary entries. */
int
scan_summary(struct image_summary *summary_entry)
{
struct image_summary *next_entry = NULL;
struct image_summary *prev_entry = NULL;
unsigned long long image_size = 0ULL;
unsigned long long max_image_size = 0ULL;
unsigned long marked_primary_image_length = 0ULL;
unsigned long long marked_primary_image_size = 0ULL;
unsigned long long primary_image_size = 0ULL;
unsigned long long next_primary_size = 0ULL;
unsigned long max_image_width = 0UL;
unsigned long max_image_height = 0UL;
unsigned long max_image_length = 0UL;
unsigned long image_length = 0UL;
int primary_found = 0;
int number_of_images = 0;
if(Debug & 0x4)
(void)newline(1);
/* The passed entry should be the head; scan forward merging data */
while(summary_entry/* && next_entry */)
{
if(summary_entry->entry_lock <= 0)
{
summary_entry = summary_entry->next_entry;
continue;
}
if(summary_entry)
next_entry = summary_entry->next_entry;
if(Debug & 0x4)
{
printred("DEBUG:");
printf(" %d: ffm=%#x, fsf=%#x",summary_entry->entry_lock,
summary_entry->fileformat,summary_entry->filesubformat);
printf(", spp=%d, bps[0]=%d",summary_entry->spp,summary_entry->bps[0]);
}
/* 'image_size' in pixels */
image_size = summary_entry->pixel_width * summary_entry->pixel_height;
/* image_length vs summary length: compressed? how much? */
/* ###%%% this is "experimental" and shows up only in Debug */
if(summary_entry->bps[0] && summary_entry->spp)
{
int i;
int spp = summary_entry->spp;
float total_bits,bytes_per_pixel;
total_bits = 0;
if (spp > MAXSAMPLE)
{
spp = MAXSAMPLE;
if(Debug & 0x4)
{
printf("CLAMPING spp\n");
}
}
for(i = 0; i < spp; ++i)
total_bits += summary_entry->bps[i];
bytes_per_pixel = total_bits / 8.0;
if(Debug & 0x4)
printf(", bytesperpixel=%.1f",bytes_per_pixel);
image_length = image_size * bytes_per_pixel;
summary_entry->compress_percent = (float)summary_entry->length / (float)image_length;
summary_entry->compress_percent *= 100.0;
}
if(Debug & 0x4)
printf(" c=%lu/%lu=%.0f%%\n",summary_entry->length,image_length,
summary_entry->compress_percent);
if(summary_entry->subfiletype == PRIMARY_TYPE)
{
++primary_found; /* marked in a TIFF/EP IFD */
marked_primary_image_size = image_size;
marked_primary_image_length = summary_entry->length;
if(summary_entry->primary_height == 0UL)
summary_entry->primary_height = summary_entry->pixel_height;
if(summary_entry->primary_width == 0UL)
summary_entry->primary_width = summary_entry->pixel_width;
}
/* maintain max values independently of primary */
if(image_size > max_image_size)
{
max_image_height = summary_entry->pixel_height;
max_image_width = summary_entry->pixel_width;
max_image_size = image_size;
}
/* The largest chunk of image data; could be very important */
if(summary_entry->length > max_image_length)
max_image_length = summary_entry->length;
/* If a primary size was found, e.g. in an exif ifd, carry */
/* it forward. If more than one was found, keep the largest. */
/* Then carry it back down to the head in the backward loop. */
/* Should wind up with all entries the same (and possibly */
/* zero). */
if(summary_entry->primary_height || summary_entry->primary_width)
{
primary_image_size = summary_entry->primary_width * summary_entry->primary_height;
if(next_entry && (next_entry->primary_height || next_entry->primary_width))
{
next_primary_size = next_entry->primary_width * next_entry->primary_height;
if(next_primary_size > primary_image_size)
{
summary_entry->primary_width = next_entry->primary_width;
summary_entry->primary_height = next_entry->primary_height;
primary_image_size = next_primary_size;
}
else
{
next_entry->primary_width = summary_entry->primary_width;
next_entry->primary_height = summary_entry->primary_height;
}
}
else if(next_entry)
{
next_entry->primary_width = summary_entry->primary_width;
next_entry->primary_height = summary_entry->primary_height;
}
}
/* In JPEG format files, it's almost certain that the primary */
/* begins at the beginning of the file; "almost" only because */
/* I've seen some strange things... */
if((summary_entry->fileformat == FILEFMT_JPEG) &&
(summary_entry->subfiletype == UNKNOWN_TYPE))
{
if(summary_entry->offset == 0)
summary_entry->subfiletype = POSSIBLE_PRIMARY_TYPE;
}
prev_entry = summary_entry;
summary_entry = next_entry;
}
summary_entry = prev_entry;
if((Debug & 0x4) && summary_entry)
{
printred("DEBUG:");
printf(" Exif Primary=%lux%lu = %llu\n",summary_entry->primary_width,summary_entry->primary_height,primary_image_size);
printred("DEBUG:");
printf(" Maxsize=%lux%lu = %llu\n",max_image_width,max_image_height,max_image_size);
printred("DEBUG:");
printf(" Marked Primary size = %llu",marked_primary_image_size);
printf(" Marked Primary length=%lu, max length = %lu\n",marked_primary_image_length,max_image_length);
}
/* now walk back to the head */
/* If a marked primary has been found, the primary job is to mark */
/* reduced resolution images which haven't been defined as */
/* thumbnails in the main code. If no marked primary, it is also */
/* necessary to deduce the identity of the primary image, using */
/* size, length and/or image and compression type. */
/* ###%%% at this point, after all the futzing around with */
/* primary_width, etc., it never gets used. max_* are used */
/* (and primary_image_size may not have been set if the last */
/* entry contained the values) */
if(summary_entry)
prev_entry = summary_entry->prev_entry;
while(summary_entry)
{
if(Debug & 0x4)
{
printred("DEBUG:");
printf(" #%d se=%#-9x, pe=%#-9x",summary_entry->entry_lock,
(unsigned int)summary_entry,(unsigned int)prev_entry);
}
image_size = summary_entry->pixel_width * summary_entry->pixel_height;
image_length = summary_entry->length;
if(summary_entry->entry_lock <= 0)
{
summary_entry = prev_entry;
if(summary_entry)
prev_entry = summary_entry->prev_entry;
continue;
}
if(Debug & 0x4)
{
printf(" ffm=%#x, fsf=%#-3x",summary_entry->fileformat,summary_entry->filesubformat);
printf(", ifm=%#lx, isf=%#lx",summary_entry->imageformat,summary_entry->imagesubformat);
printf(", offs=%lu, len=%lu",summary_entry->offset,summary_entry->length);
printf(", pw=%lu, ph=%lu",summary_entry->pixel_width,summary_entry->pixel_height);
}
if(prev_entry && (prev_entry->subfiletype != PRIMARY_TYPE))
{
/* The primary size was carried up to the last entry in */
/* the forward scan; now copy it back down. */
/* ###%%% is this used? ...no, never */
prev_entry->primary_width = summary_entry->primary_width;
prev_entry->primary_height = summary_entry->primary_height;
}
if(Debug & 0x4)
printf(" sft=%d\n",summary_entry->subfiletype);
if(primary_found >= 1) /* should never be greater than 1 */
{
if(summary_entry->subfiletype == POSSIBLE_PRIMARY_TYPE)
summary_entry->subfiletype = REDUCED_RES_TYPE;
}
else if(primary_found == 0)
{
if(summary_entry->subfiletype == POSSIBLE_PRIMARY_TYPE)
{
if((summary_entry->fileformat == FILEFMT_TIFF) ||
(summary_entry->fileformat == FILEFMT_ORF1) ||
(summary_entry->fileformat == FILEFMT_ORF2))
{
switch(summary_entry->compression)
{
case 1:
case 34712: /* JPEG 2000 */
case 34713: /* NEF compressed */
case JPEG_SOF_3:
case JPEG_SOF_7:
case JPEG_SOF_11:
case JPEG_SOF_15:
if(image_size >= max_image_size)
{
summary_entry->subfiletype = PRIMARY_TYPE;
++primary_found;
}
break;
default:
if((image_size < max_image_size) || (image_length < max_image_length))
summary_entry->subfiletype = REDUCED_RES_TYPE;
break;
}
}
else if(summary_entry->fileformat == FILEFMT_JP2)
{
summary_entry->subfiletype = PRIMARY_TYPE;
++primary_found;
}
else if(summary_entry->fileformat == FILEFMT_JPEG)
{
if(summary_entry->offset == 0)
{
summary_entry->subfiletype = PRIMARY_TYPE;
++primary_found;
}
else if(summary_entry->filesubformat & (FILESUBFMT_TIFF|FILESUBFMT_TIFFEP))
{
switch(summary_entry->compression)
{
case JPEG_SOF_3:
case JPEG_SOF_7:
case JPEG_SOF_11:
case JPEG_SOF_15:
/* lossless compression */
if(image_size >= max_image_size)
{
summary_entry->subfiletype = PRIMARY_TYPE;
++primary_found;
}
break;
default:
if((image_size < max_image_size) ||
(image_length < max_image_length))
summary_entry->subfiletype = REDUCED_RES_TYPE;
break;
}
}
}
else if(summary_entry->imagesubformat == IMGSUBFMT_CFA)
{
/* fileformat may be MRW; other fileformats? */
if(image_size >= max_image_size)
{
summary_entry->subfiletype = PRIMARY_TYPE;
++primary_found;
}
else
summary_entry->subfiletype = REDUCED_RES_TYPE;
}
else
summary_entry->subfiletype = REDUCED_RES_TYPE;
}
}
if(primary_found)
{
if(summary_entry->subfiletype <= POSSIBLE_PRIMARY_TYPE)
summary_entry->subfiletype = REDUCED_RES_TYPE;
}
else if(image_size >= max_image_size)
{
if(summary_entry->subfiletype == POSSIBLE_PRIMARY_TYPE)
{
summary_entry->subfiletype = PRIMARY_TYPE;
++primary_found;
}
}
else if(summary_entry->subfiletype <= POSSIBLE_PRIMARY_TYPE)
summary_entry->subfiletype = REDUCED_RES_TYPE;
if(((summary_entry->imageformat) != IMGFMT_NOIMAGE) &&
((summary_entry->imagesubformat & ~IMGSUBFMT_ERRORMASK) != IMGSUBFMT_JPEGTABLES))
++number_of_images;
if(Debug & 0x4)
{
printred("DEBUG:");
printf(" #%d se=%#-9x, pe=%#-9x",summary_entry->entry_lock,
(unsigned int)summary_entry,(unsigned int)prev_entry);
printf(" ffm=%#x, fsf=%#-3x",summary_entry->fileformat,summary_entry->filesubformat);
printf(", ifm=%#lx, isf=%#lx",summary_entry->imageformat,summary_entry->imagesubformat);
printf(", offs=%lu, len=%lu",summary_entry->offset,summary_entry->length);
printf(", pw=%lu, ph=%lu",summary_entry->pixel_width,summary_entry->pixel_height);
printf(" sft=%d\n",summary_entry->subfiletype);
}
summary_entry = prev_entry;
if(summary_entry)
prev_entry = summary_entry->prev_entry;
else
prev_entry = NULL;
}
if(Debug & 0x4)
(void)newline(1);
return(number_of_images);
}
#include "maker_datadefs.h"
extern struct maker_scheme *retrieve_makerscheme();
/* Print a "file format" as a listing of major sections used in the */
/* file. It would be nice (perhaps) to print a single file format for */
/* TIFF-derived formats such as CR2, NEF, K25, DNG, etc. but it is */
/* difficult to say, in the absence of specifications, what makes */
/* e.g. a CR2 file a CR2 file. */
/* Filename extensions and vendor names do not characterize the */
/* internal format of the file, and may be applied (erroneously) to */
/* any file. */
/* At present, the program keeps watch for certain tag numbers in */
/* TIFF Ifds which seem to be unique to a particular format, and */
/* writes a qualifier (e.g. [NEF]) for TIFF-derived types. */
/* ORF files can be marked reliably because Olympus was clever enough */
/* to change the magic number in the header, a trivial but important */
/* change which probably should have been done for DNG (and CR and */
/* NEF). There are even separate magic numbers for the two variants */
/* of ORF. */
/* File formats with specific magic numbers in the file header, such */
/* as MRW, CIFF, and ORF (and TIFF) will show up at the beginning of */
/* output as that file 'type'. This routine will characterize the */
/* "file format" by the major sections found in the summary entries. */
/* Identifiable derived formats (e.g. a NEF compression tag) will be */
/* indicated. The presence of MakerNotes and subifds in MakerNotes */
/* will be shown. */
void
print_fileformat(struct image_summary *entry)
{
struct maker_scheme *scheme;
char *sep,*camera_name;
int chpr = 0;
int filesubformat_shown = 0;
int with_filesubformat = 0;
int vendor_filesubformat = 0;
int has_appn[16];
int i;
print_filename();
if((PRINT_LONGNAMES))
chpr += printf("FileFormat = ");
else
chpr += printf("File Format = ");
if(entry)
{
memset(has_appn,0,sizeof(has_appn));
print_filetype(entry->fileformat,0);
if(entry->filesubformat & FILESUBFMT_TIFFEP)
chpr += printf("EP");
if(entry->fileformat == FILEFMT_TIFF)
filesubformat_shown |= FILESUBFMT_TIFF;
if(entry->filesubformat & FILESUBFMT_TIFFEP)
filesubformat_shown |= FILESUBFMT_TIFFEP;
sep = "/";
for( ; entry; entry = entry->next_entry)
{
if((entry->filesubformat & (FILESUBFMT_TIFF|FILESUBFMT_TIFFOLD)) &&
!(filesubformat_shown & (FILESUBFMT_TIFF|FILESUBFMT_TIFFOLD)))
chpr += printf("%sTIFF",sep);
if((entry->filesubformat & FILESUBFMT_JPEG) &&
!(filesubformat_shown & FILESUBFMT_JPEG))
chpr += printf("%sJPEG",sep);
if((entry->filesubformat & FILESUBFMT_GEOTIFF) &&
!(filesubformat_shown & FILESUBFMT_GEOTIFF))
chpr += printf("%sGEOTIFF",sep);
if((entry->filesubformat & FILESUBFMT_TIFFEP) &&
!(filesubformat_shown & FILESUBFMT_TIFFEP))
chpr += printf("%sEP",sep);
if((entry->filesubformat & FILESUBFMT_APPN) &&
!(filesubformat_shown & FILESUBFMT_APPN))
{
if(entry->filesubformatAPPN[0])
{
chpr += printf("%sAPP0",sep);
if(entry->filesubformat & FILESUBFMT_JFIF)
chpr += printf("%sJFIF",sep);
if(entry->filesubformat & FILESUBFMT_JFXX)
chpr += printf("%sJFXX",sep);
}
if(entry->filesubformatAPPN[1])
{
chpr += printf("%sAPP1",sep);
if(entry->filesubformat & (FILESUBFMT_TIFF|FILESUBFMT_TIFFOLD))
{
entry->filesubformat &= ~(FILESUBFMT_TIFF|FILESUBFMT_TIFFOLD);
chpr += printf("%sTIFF",sep);
}
if(entry->filesubformat & FILESUBFMT_EXIF)
{
entry->filesubformat &= ~FILESUBFMT_EXIF;
chpr += printf("%sEXIF",sep);
}
}
if(entry->filesubformatAPPN[2])
{
chpr += printf("%sAPP2",sep);
if(entry->filesubformat & FILESUBFMT_FPIX)
{
entry->filesubformat &= ~FILESUBFMT_FPIX;
chpr += printf("%sFPIX",sep);
}
}
for(i = 3; i < 16; ++i)
{
if(entry->filesubformatAPPN[i])
has_appn[i] = entry->filesubformatAPPN[i];
}
}
if((entry->filesubformat & FILESUBFMT_CIFF) &&
!(filesubformat_shown & FILESUBFMT_CIFF))
chpr += printf("%sCIFF",sep);
if((entry->filesubformat & FILESUBFMT_EXIF) &&
!(filesubformat_shown & FILESUBFMT_EXIF))
chpr += printf("%sEXIF",sep);
if((entry->filesubformat & FILESUBFMT_FPIX) &&
!(filesubformat_shown & FILESUBFMT_FPIX))
chpr += printf("%sFPIX",sep);
filesubformat_shown |= entry->filesubformat;
if(entry->filesubformat & FILESUBFMT_NEF)
vendor_filesubformat |= FILESUBFMT_NEF;
if(entry->filesubformat & FILESUBFMT_CR2)
vendor_filesubformat |= FILESUBFMT_CR2;
if(entry->filesubformat & FILESUBFMT_DNG)
vendor_filesubformat |= FILESUBFMT_DNG;
if(entry->filesubformat & FILESUBFMT_MNOTE)
with_filesubformat |= FILESUBFMT_MNOTE;
if(entry->filesubformat & FILESUBFMT_MNSUBIFD)
with_filesubformat |= FILESUBFMT_MNSUBIFD;
}
for(i = 3; i < 16; ++i)
{
if(has_appn[i])
chpr += printf("%sAPP%d",sep,i);
}
if(vendor_filesubformat & FILESUBFMT_NEF)
chpr += printf(" [NEF]");
if(vendor_filesubformat & FILESUBFMT_CR2)
chpr += printf(" [CR2]");
if(vendor_filesubformat & FILESUBFMT_DNG)
chpr += printf(" [DNG]");
if(with_filesubformat)
chpr += printf(" #");
if(with_filesubformat & FILESUBFMT_MNOTE)
{
chpr += printf(" with MakerNote");
scheme = retrieve_makerscheme();
if(scheme->make)
{
camera_name = find_camera_name(scheme->make);
if(scheme->scheme_type != UNKNOWN_SCHEME)
printf(" (%s [%d])",camera_name,scheme->note_version);
else
printf(" (%s - unknown makernote format)",camera_name);
}
if(with_filesubformat & FILESUBFMT_MNSUBIFD)
chpr += printf(" and MakerNote-SubIFD");
}
}
else
chpr += printf("unknown");
chpr = newline(chpr);
}
/* Find the name of a device (usually a camera) identified by the */
/* internal id number 'make'. */
extern struct camera_name Camera_make[];
char *
find_camera_name(int make)
{
struct camera_name *maker_id;
char *camera_name = UNKNOWN_CAMERA_STRING;
/* 'Camera_make' is a global parameter */
for(maker_id = Camera_make; maker_id && maker_id->name; ++maker_id)
{
if(make == maker_id->id)
{
camera_name = maker_id->name;
break;
}
}
return(camera_name);
}
void
print_imageformat(struct image_summary *entry)
{
int chpr = 0;
if(entry)
{
switch(entry->imageformat & ~IMGFMT_MISMARKED)
{
case IMGFMT_TIFF:
if(entry->fileformat == FILEFMT_ORF1)
{
chpr += printf(" ORF1 16bps");
/* ###%%% this is the wrong place to do this */
entry->imagesubformat = IMGSUBFMT_CFA;
}
else if(entry->fileformat == FILEFMT_ORF2)
{
chpr += printf(" ORF2 12bps");
entry->imagesubformat = IMGSUBFMT_CFA;
}
else if(entry->fileformat == FILEFMT_RW2)
{
chpr += printf(" RW2");
entry->imagesubformat = IMGSUBFMT_CFA;
}
else
chpr += printf(" TIFF");
break;
case IMGFMT_JPEG:
if(entry->imagesubformat == IMGSUBFMT_JPEGTABLES)
chpr += printf("JPEGTables");
else
chpr += printf(" JPEG");
if(entry->imageformat & IMGFMT_MISMARKED)
chpr += printf("*");
break;
case IMGFMT_JPEG2000:
chpr += printf(" JPEG2000");
break;
case IMGFMT_CRW:
chpr += printf(" CRW");
break;
case IMGFMT_MRW:
chpr += printf(" MRW");
chpr += printf(" %d/%d",entry->bps[0],entry->sample_size);
break;
case IMGFMT_RAF:
chpr += printf(" RAF");
break;
case IMGFMT_X3F:
chpr += printf(" X3F");
break;
default:
chpr += printf(" UNKNOWN format");
break;
}
}
setcharsprinted(chpr);
}
void
print_tiff_compression(struct image_summary *entry)
{
char *compression;
int chpr = 0;
compression = tiff_compression_string(entry->compression);
chpr += printf(" %s",compression);
setcharsprinted(chpr);
}
char *
tiff_compression_string(unsigned long compvalue)
{
char *compression;
compression = NULLSTRING;
switch(compvalue)
{
/* will be 0 only if compression tag does not appear */
case 0: compression = "unknown format"; break;
case 1: compression = "uncompressed"; break; /* TIFF6/TIFF_EP */
case 2: compression = "Modified Huffman RLE compressed"; break; /* TIFF6 */
case 3: compression = "T4 fax encoded"; break; /* TIFF6 */
case 4: compression = "T6 fax encoded"; break; /* TIFF6 */
case 5: compression = "LZW compressed"; break; /* TIFF6 */
case 6: compression = "Exif/old JPEG"; break; /* TIFF6 pre TechNote 2 */
/* required by Exif! */
case 7: compression = "JPEG"; break; /* TIFF6 current/TIFF_EP/DNG */
case 32773: compression = "Packbits RLE compressed"; break; /* TIFF6 */
/* These are all from "libtiff -- tiff.h" */
case 8: compression="Adobe Deflate compressed"; break;
case 32771: compression="NeXT 2-bit RLE compressed"; break;
case 32809: compression="ThunderScan RLE compressed"; break;
case 32895: compression="IT8 CT compressed with padding"; break;
case 32896: compression="IT8 Linework compressed"; break;
case 32897: compression="IT8 Monochromecompressed"; break;
case 32898: compression="IT8 Binary line art compressed"; break;
case 32908: compression="Pixar companded 10bit LZW compressed"; break;
case 32909: compression="Pixar companded 11bit ZIP compressed"; break;
case 32946: compression="Deflate compressed"; break;
case 32947: compression="Kodak DCS encoded"; break;
case 34661: compression="ISO JBIG compressed"; break;
case 34676: compression="SGI Log Luminance RLE compressed"; break;
case 34677: compression="SGI Log 24-bit compressed"; break;
/* Noted in images */
case 32867: compression="Kodak KDC compressed"; break;
case 34712: compression="Jpeg2000 compressed"; break;
case 34713: compression="NEF compressed"; break;
case 65000: compression="Kodak DCR compressed"; break;
default: compression = "(UNKNOWN TIFF compression)"; break;
}
return(compression);
}
void
print_jpeg_compression(struct image_summary *entry)
{
char *compression;
int chpr = 0;
compression = NULLSTRING;
if(entry)
{
switch(entry->compression)
{
case JPEG_SOF_0: compression="baseline DCT compressed"; break;
case JPEG_SOF_1: compression="extended seq DCT Huffman"; break;
case JPEG_SOF_2: compression="progressive DCT Huffman"; break;
case JPEG_SOF_3: compression="lossless seq Huffman"; break;
case JPEG_SOF_5: compression="differential seq DCT Huffman"; break;
case JPEG_SOF_6: compression="differential progressive DCT Huffman"; break;
case JPEG_SOF_7: compression="differential lossless Huffman"; break;
case JPEG_SOF_9: compression="extended seq DCT arithmetic"; break;
case JPEG_SOF_10: compression="progressive seq arithmetic"; break;
case JPEG_SOF_11: compression="lossless seq arithmetic"; break;
case JPEG_SOF_13: compression="differential seq DCT arithmetic"; break;
case JPEG_SOF_14: compression="differential progressive DCT arithmetic"; break;
case JPEG_SOF_15: compression="differential lossless arithmetic"; break;
default: compression = "(UNKNOWN JPEG compression)"; break;
}
}
chpr += printf(" %s",compression);
setcharsprinted(chpr);
}
void
print_jp2c_compression(struct image_summary *entry)
{
char *transform;
char *quantization;
int chpr = 0;
transform = quantization = NULLSTRING;
if(entry)
{
if((entry->compression & 0xff) == 1)
transform = "5/3 reversible";
else
transform = "9/7 irreversible";
switch((entry->compression & 0xff00) >> 8)
{
case 0:
quantization = "no quantization";
break;
case 1:
quantization = "implicit quantization";
break;
case 2:
quantization = "explicit quantization";
break;
default:
quantization = "unknown quantization";
break;
}
}
chpr += printf(" (%s compression with %s)",transform,quantization);
setcharsprinted(chpr);
}
void
print_crw_compression(struct image_summary *entry)
{
char *compression;
int chpr = 0;
compression = NULLSTRING;
if(entry)
{
switch(entry->compression)
{
case 0: compression = "uncompressed"; break;
case 1: compression = "compressed"; break;
default: break;
}
}
chpr += printf(" %s",compression);
setcharsprinted(chpr);
}
void
print_raf_compression(struct image_summary *entry)
{
char *compression;
int chpr = 0;
compression = NULLSTRING;
if(entry)
{
switch(entry->compression)
{
case 0: compression = "uncompressed"; break;
case 1: compression = "uncompressed (with secondary)"; break;
default: break;
}
}
chpr += printf(" %s",compression);
setcharsprinted(chpr);
}
void
print_x3f_compression(struct image_summary *entry)
{
char *compression;
int chpr = 0;
compression = NULLSTRING;
if(entry)
{
switch(entry->imagesubformat)
{
case IMGSUBFMT_HUFF_COMPRESSED_RGB: compression = "Huffman compressed"; break;
case IMGSUBFMT_JPEG_COMPRESSED_RGB: compression = "Jpeg compressed"; break;
case IMGSUBFMT_X3F_COMPRESSED: compression = "compressed"; break;
case IMGSUBFMT_RGB: compression = "uncompressed"; break;
default: break;
}
}
chpr += printf(" %s",compression);
setcharsprinted(chpr);
}
void
print_imagecompression(struct image_summary *entry)
{
if(entry)
{
switch(entry->imageformat)
{
case IMGFMT_MRW: /* gets it from a TIFF IFD */
case IMGFMT_TIFF:
print_tiff_compression(entry);
break;
case IMGFMT_JPEG:
print_jpeg_compression(entry);
break;
case IMGFMT_JPEG2000:
print_jp2c_compression(entry);
break;
case IMGFMT_CRW:
print_crw_compression(entry);
break;
case IMGFMT_RAF:
print_raf_compression(entry);
break;
case IMGFMT_X3F:
print_x3f_compression(entry);
break;
default:
break;
}
}
}
void
print_imagesubformat(struct image_summary *entry)
{
char *subformat;
unsigned long imagesubformat = 0;
int chpr = 0;
subformat = NULLSTRING;
if(entry)
{
imagesubformat = entry->imagesubformat & ~IMGSUBFMT_ERRORMASK;
switch(imagesubformat)
{
case IMGSUBFMT_CFA:
subformat = "CFA";
break;
case IMGSUBFMT_RGB:
subformat = "RGB";
break;
case IMGSUBFMT_YCBCR:
subformat = "YCBCR";
break;
case IMGSUBFMT_PALETTE:
subformat = "PALETTE";
break;
case IMGSUBFMT_LINEARRAW:
subformat = "LinearRaw";
break;
case IMGSUBFMT_JPEGTABLES:
subformat = "JPEGTables";
break;
case IMGSUBFMT_HUFF_COMPRESSED_RGB:
subformat = "RGB";
break;
case IMGSUBFMT_JPEG_COMPRESSED_RGB:
subformat = "RGB";
break;
case IMGSUBFMT_X3F_COMPRESSED:
subformat = "RAW";
break;
case IMGSUBFMT_X3F_UNSPECIFIED:
subformat = "Unspecified";
break;
default:
break;
}
}
if(*subformat)
chpr += printf(" %s",subformat);
setcharsprinted(chpr);
}
void
print_imagesubtype(struct image_summary *entry)
{
char *type_of_image = UNKNOWN_STRING;
int chpr = 0;
switch(entry->subfiletype)
{
case THUMBNAIL_TYPE:
type_of_image = THUMBNAIL_STRING;
break;
case PRIMARY_TYPE:
type_of_image = PRIMARY_STRING;
break;
case PAGE_TYPE:
type_of_image = PAGE_STRING;
break;
case MASK_TYPE:
type_of_image = MASK_STRING;
break;
case REDUCED_RES_TYPE:
type_of_image = REDUCED_RES_STRING; /* if not marked THUMBNAIL */
break;
default:
type_of_image = UNSPECIFIED_STRING;
break;
}
if(*type_of_image)
chpr += printf(" %s",type_of_image);
setcharsprinted(chpr);
}
void
print_imagesize(struct image_summary *entry)
{
int chpr = 0;
char *maybeshort = NULLSTRING;
if(entry)
{
if(entry->imagesubformat & IMGSUBFMT_JPEG_EARLY_EOI)
maybeshort = "<= ";
chpr += printf(" image [%ldx%ld",entry->pixel_width,entry->pixel_height);
if(entry->subfiletype == PRIMARY_TYPE)
{
if((entry->primary_width > entry->pixel_width) ||
(entry->primary_height > entry->pixel_height))
{
chpr += printf("<=%ldx%ld",entry->primary_width,entry->primary_height);
}
}
chpr += printf("] length %s%lu",maybeshort,entry->length);
}
setcharsprinted(chpr);
}
/* Indicate where the image was found; the information is contained */
/* in the filesubformat bits and/or datatype recorded for this */
/* particular entry. */
void
print_location(struct image_summary *entry)
{
char *space = NULL;
int chpr = 0;
if(entry)
{
space = " (";
if((entry->fileformat == FILEFMT_TIFF) ||
entry->filesubformat & FILESUBFMT_TIFFUSED ||
entry->filesubformatAPPN[1])
{
if(entry->ifdnum >= 0)
chpr += printf("%sIFD %d",space,entry->ifdnum),space = " ";
if(entry->subifdnum >= 0)
chpr += printf("%sSubIFD %d",space,entry->subifdnum),space = " ";
/* could use filesubformat here? */
if(entry->datatype == MAKER_IFD)
chpr += printf("%sMakerNote",space),space = " ";
if(entry->datatype == MAKER_SUBIFD)
chpr += printf("%sMakerNote SubIFD",space),space = " ";
}
else if(entry->fileformat == FILEFMT_JPEG)
{
if(entry->filesubformatAPPN[0])
{
chpr += printf("%sAPP0",space),space = " ";
if(entry->filesubformat & FILESUBFMT_JFXX)
chpr += printf("%sJFXX",space),space = " ";
}
}
if(chpr)
chpr += printf(")");
}
}
/* Sum the strip or type bytecounts from a TIFF header to yield the */
/* size of the image data. The bytecounts may be short or long, so */
/* the value_type must be checked. */
unsigned long
sum_strip_bytecounts(FILE *inptr,unsigned short byteorder,unsigned long offset,
unsigned long count,unsigned short value_type)
{
int i;
unsigned long sum = 0L;
if(count)
{
/* Some use SHORT, some use LONG. If anyone uses some other */
/* type, just ignore 'em. */
if(value_type == SHORT)
{
sum = read_ushort(inptr,byteorder,offset);
for(i = 1; i < count; ++i)
sum += read_ushort(inptr,byteorder,HERE);
}
else if(value_type == LONG)
{
sum = read_ulong(inptr,byteorder,offset);
for(i = 1; i < count; ++i)
sum += read_ulong(inptr,byteorder,HERE);
}
}
return(sum);
}
void
why(FILE *outptr)
{
fprintf(outptr,"\t because: %s\n",strerror(errno));
errno = 0;
}
unsigned long
toggle(unsigned long options,unsigned long bits)
{
if(options & bits)
options &= ~bits;
else
options |= bits;
return(options);
}
/* Clean up memory used to save Make_name, etc. */
void
clear_memory()
{
if(Make_name)
free(Make_name);
if(Model_name)
free(Model_name);
if(Software_name)
free(Software_name);
Make_name = Model_name = Software_name = (char *)0;
}
/* splice two strings together with a separator between. The result */
/* is placed in dynamic memory. Free it when done with it. */
char *
splice(char *string1,char *sep,char *string2)
{
char splicebuf[1024];
char *result = NULL;
if(string1 == NULL)
sep = string1 = NULLSTRING;
if(string2 == NULL)
string2 = NULLSTRING;
snprintf(splicebuf,1024,"%s%s%s",string1,sep,string2);
result = strdup(splicebuf);
return(result);
}
/* The following routines attempt to keep track of unterminated */
/* output lines and see that newlines are output as necessary, and */
/* never more than necessary. */
/* This requires keeping track of the count of characters printed and */
/* calling either setcharsprinted(xxx) to register them, or */
/* newline(xxx) to force a newline. "newline(0)" will print a newline */
/* only if Charsprinted is non-zero. */
/* This will work properly only if all functions which produce output */
/* cooperate. */
static int Charsprinted = 0;
int
newline(int charsprinted)
{
if((charsprinted != 0) || (Charsprinted != 0))
putchar('\n');
Charsprinted = 0;
return(Charsprinted);
}
void
setcharsprinted(int charsprinted)
{
Charsprinted += charsprinted;
}
int
charsprinted()
{
return(Charsprinted);
}
/* Record the filename and optionally prepend the filename to each */
/* output line. Useful e.g. when multiple files are being LISTed and */
/* grepped (exifgrep). */
static char *Current_filename = CNULL;
void
setfilename(char *filename)
{
Current_filename = filename;
}
void
print_filename()
{
int chpr = 0;
if(((PRINT_FILENAMES)) && (Current_filename))
{
PUSHCOLOR(BLACK);
chpr = printf("%s: ",Current_filename);
POPCOLOR();
}
setcharsprinted(chpr);
}
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