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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: maker_epson.c,v 1.22 2005/07/24 22:56:26 alex Exp $";
#endif
/* =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- */
/* Epson camera maker-specific routines */
/* =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- */
/* This is currently a near-duplicate of the Olympus, based upon the */
/* similarity of tag numbers, the appearance of sample images taken */
/* from the Web, and reports that some Olympus, Epson, Minolta and */
/* Sanyo models use similar firmware. */
/* The "photopc" site at soucrceforge provides some insight: */
/* http://photopc.sourceforge.net/cameras.html */
/* =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- */
#include <stdio.h>
#include <string.h>
#include <strings.h>
#include <stdlib.h>
#include "defs.h"
#include "datadefs.h"
#include "maker_datadefs.h"
#include "summary.h"
#include "maker.h"
#include "misc.h"
#include "tags.h"
#include "maker_extern.h"
#include "extern.h"
extern struct camera_id epson_model_id[];
/* Find the identifying number assigned to known Epson camera models. */
/* This number is used to dispatch appropriate print and interpret */
/* routines approopriate to the current image. */
int
epson_model_number(char *model,char *software)
{
struct camera_id *model_id;
int number = NO_MODEL;
for(model_id = &epson_model_id[0]; model_id && model_id->name; ++model_id)
{
if(strncasecmp(model,model_id->name,model_id->namelen) == 0)
{
number = model_id->id;
setnoteversion(model_id->noteversion);
setnotetagset(model_id->notetagset); /* info only */
break;
}
}
return(number);
}
/* Dispatch a print routine for direct IFD values in Epson */
/* MakerNotes, based upon model */
void
print_epson_makervalue(struct ifd_entry *entry_ptr,int make, int model,
char *prefix)
{
int noteversion = 0;
noteversion = getnoteversion();
if(entry_ptr && (PRINT_VALUE))
{
switch(noteversion)
{
case 1 :
print_epson1_makervalue(entry_ptr,make,model,prefix);
epson1_interpret_value(entry_ptr);
break;
default:
print_value(entry_ptr,PREFIX);
break;
}
}
}
/* Model-specific print routine for Epson cameras. This routine is */
/* responsible for picking off any direct entry tags which are */
/* peculiar and will not be handled properly by print_value() */
/* (usually UNDEFINED values which fit in the 4-byte entry value). If */
/* there are no such entries, this function simply calls */
/* print_value(). */
void
print_epson1_makervalue(struct ifd_entry *entry_ptr,int make, int model,
char *prefix)
{
if(entry_ptr && (PRINT_VALUE))
{
switch(entry_ptr->tag)
{
default:
print_value(entry_ptr,PREFIX);
break;
}
}
}
/* Dispatch a routine to decode and print offset values in MakerNotes */
/* from Epson cameras. */
void
print_epson_offset_makervalue(FILE *inptr,unsigned short byteorder,
struct ifd_entry *entry_ptr,unsigned long fileoffset_base,
struct image_summary *summary_entry,char *parent_name,char*prefix,
int indent,int make,int model,int at_offset)
{
int noteversion = 0;
noteversion = getnoteversion();
if(entry_ptr)
{
switch(noteversion)
{
case 1 :
epson1_offset_makervalue(inptr,byteorder,entry_ptr,
fileoffset_base,summary_entry,
parent_name,prefix,indent,
make,model,at_offset);
epson1_interpret_offset_makervalue(inptr,byteorder,
entry_ptr,fileoffset_base);
break;
default:
print_generic_offset_makervalue(inptr,byteorder,entry_ptr,
fileoffset_base,parent_name,prefix,
indent,make,model,at_offset);
break;
}
}
}
/* Model-specific routine to print UNDEFINED values found at offsets */
/* in epson makernotes. */
void
epson1_offset_makervalue(FILE *inptr,unsigned short byteorder,
struct ifd_entry *entry_ptr,unsigned long fileoffset_base,
struct image_summary *summary_entry,char *parent_name,char*prefix,
int indent,int make,int model,int at_offset)
{
unsigned long value_offset,count;
unsigned long dumplength;
unsigned long max_offset = 0;
unsigned short marker;
char *nameoftag;
char *fulldirname = NULL;
int status = 0;
int chpr = 0;
if(entry_ptr)
{
nameoftag = maker_tagname(entry_ptr->tag,make,model);
fulldirname = splice(parent_name,".",nameoftag);
value_offset = fileoffset_base + entry_ptr->value;
count = entry_ptr->count;
switch(entry_ptr->tag)
{
case 0x020a: /* MakerNote version of UserComment */
if(at_offset)
{
print_tag_address(ENTRY,value_offset,indent,prefix);
print_makertagid(entry_ptr,23," = ",make,model);
}
if((PRINT_VALUE))
{
if((PRINT_OFFSET) && !at_offset)
chpr += chpr += printf(" = ");
print_user_comment(inptr,entry_ptr->count,value_offset,byteorder);
}
break;
case 0x0209: /* CameraId */
if(at_offset)
{
print_tag_address(ENTRY,value_offset,indent,prefix);
print_makertagid(entry_ptr,23," = ",make,model);
}
if((PRINT_VALUE))
{
if((PRINT_OFFSET) && !at_offset)
chpr += chpr += printf(" = ");
print_ascii(inptr,entry_ptr->count,value_offset);
}
break;
case 0x0301:
/* This is an odd one. Overwrite the values for */
/* offset and length, then fall through and display */
/* the thumbnail. */
/* Why didn't they just do this as an UNDEFINED */
/* section? */
value_offset = read_ulong(inptr,byteorder,value_offset);
count = read_ulong(inptr,byteorder,HERE);
if(at_offset && (PRINT_SECTION))
{
print_tag_address(SECTION,fileoffset_base + entry_ptr->value,
indent,prefix);
print_makertagid(entry_ptr,23," = ",make,model);
if((PRINT_VALUE))
chpr += printf("@%lu:%lu",value_offset,count);
chpr = newline(chpr);
}
else if((LIST_MODE) && !at_offset)
{
if((PRINT_VALUE))
{
if(!(PRINT_OFFSET))
chpr += printf("@%lu",fileoffset_base + entry_ptr->value);
}
chpr = newline(chpr);
/* In list mode, when SECTIONS are not printed, */
/* provide these items as "pseudotags". */
print_tag_address(ENTRY,value_offset,indent,prefix);
if((PRINT_TAGINFO))
{
if((PRINT_LONGNAMES))
chpr += printf("%s.",fulldirname);
chpr += printf("%-*.*s",9,9,"Offset");
}
if((PRINT_VALUE))
{
if((PRINT_OFFSET))
{
if(PRINT_BOTH_OFFSET)
chpr += printf(" = @%#lx=%lu",value_offset,value_offset);
else if(PRINT_HEX_OFFSET)
chpr += printf(" = @%#lx",value_offset);
else if(PRINT_DEC_OFFSET)
chpr += printf(" = @%lu",value_offset);
}
else
chpr += printf(" = @%lu",value_offset);
}
chpr = newline(chpr);
print_tag_address(ENTRY,value_offset,indent,prefix);
if((PRINT_TAGINFO))
{
if((PRINT_LONGNAMES))
chpr += printf("%s.",fulldirname);
chpr += printf("%-*.*s",9,9,"Length");
}
if((PRINT_VALUE))
chpr += printf(" = %lu",count);
}
/* fall through and process the thumbnail */
case 0x0100: /* Jpeg Thumbnail */
if(at_offset && (PRINT_SECTION))
{
print_tag_address(VALUE_AT_OFFSET,value_offset,indent,prefix);
chpr += printf("# Start of JPEG Thumbnail from MakerNote");
chpr += printf(" length %ld",count);
}
else if(!at_offset && (PRINT_VALUE) && (entry_ptr->tag == 0x0100))
{
if(!(PRINT_OFFSET))
chpr += printf("@%lu:%lu",value_offset,entry_ptr->count);
else
chpr = printf("length %lu", entry_ptr->count);
}
if((PRINT_SECTION) || (PRINT_SEGMENT))
chpr = newline(chpr);
marker = read_ushort(inptr,TIFF_MOTOROLA,value_offset);
max_offset = process_jpeg_segments(inptr,value_offset,marker,
count,summary_entry,fulldirname,
prefix,indent+SMALLINDENT);
if(at_offset)
{
if((PRINT_SECTION))
{
if((status = jpeg_status(0) == JPEG_EARLY_EOI))
chpr = newline(chpr);
jpeg_status(status);
print_tag_address(VALUE_AT_OFFSET,value_offset + count - 1,
indent,prefix);
chpr += printf("# End of JPEG Thumbnail from MakerNote");
if((PRINT_ENTRY) && !(PRINT_VALUE))
chpr = newline(chpr);
}
}
print_jpeg_status();
if(marker && summary_entry)
{
/* The new one is on the end of the chain */
if((summary_entry = last_summary_entry(summary_entry)))
{
summary_entry->filesubformat |= FILESUBFMT_MNOTE;
summary_entry->datatype = MAKER_IFD;
summary_entry->subfiletype = THUMBNAIL_TYPE;
}
}
/* make certain we're at the end */
clearerr(inptr);
fseek(inptr,value_offset + count,SEEK_SET);
break;
case 0x0e00: /* PrintIM (Epson Print Image matching) */
if(!at_offset && (PRINT_VALUE))
{
if(!(PRINT_OFFSET))
{
chpr += printf("@%lu:%lu",value_offset,count);
chpr = newline(chpr);
}
}
process_pim(inptr,byteorder,entry_ptr->value,fileoffset_base,
count,nameoftag,parent_name,prefix,indent);
break;
case 0x0f00: /* Data */
if(at_offset && (PRINT_ENTRY))
{
print_tag_address(ENTRY,value_offset,indent,prefix);
print_makertagid(entry_ptr,23," : ",make,model);
chpr += printf("length %lu", count);
if(Max_undefined == 0)
{
if(chpr)
printred(" (not dumped, use -U)");
}
else
{
if((Max_undefined == DUMPALL) || (Max_undefined > count))
dumplength = count;
else
dumplength = Max_undefined;
chpr = newline(chpr);
hexdump(inptr,value_offset,count,dumplength,12,
indent,SUBINDENT);
chpr = newline(1);
}
}
else if(!at_offset && (PRINT_VALUE))
{
if(!(PRINT_OFFSET))
chpr += printf("@%lu:%lu",value_offset,entry_ptr->count);
else
chpr = printf("length %lu", entry_ptr->count);
if(!(PRINT_VALUE_AT_OFFSET))
chpr += printf(" # UNDEFINED");
}
/* make certain we're at the end */
fseek(inptr,value_offset + count,SEEK_SET);
break;
default:
print_generic_offset_makervalue(inptr,byteorder,entry_ptr,
fileoffset_base,fulldirname,prefix,indent,
make,model,at_offset);
break;
}
if(fulldirname)
free(fulldirname);
}
setcharsprinted(chpr);
}
/* Epson-specific tagnames for makernotes. */
char *
maker_epson_tagname(unsigned short tag,int model)
{
char *tagname = CNULL;
int noteversion = 0;
/* Should have to do this only once, and only for unrecognized */
/* models. If the model is recognized (or the user has forced a */
/* noteversion) noteversion will already be set. */
if((noteversion = getnoteversion()) == 0)
{
noteversion = 1;
setnoteversion(1);
}
switch(noteversion)
{
case 1 :
tagname = maker_epson1_tagname(tag,model);
break;
default:
break;
}
if(tagname == NULL)
{
switch(tag)
{
case 0x0e00: tagname = "PrintIM"; break;
case 0x0100: tagname = "JpegThumbnail"; break;
default: break;
}
}
return(tagname);
}
char *
maker_epson1_tagname(unsigned short tag,int model)
{
char *tagname = CNULL;
/* These are the Olympus tags; try them ###%%% ??? */
/* Update: the SoftwareRelease tag on Olympus is 0x0207; here it */
/* is 0x020d. One Epson model sports a hidden thumbnail (0x0301) */
switch(tag)
{
case 0x0200: tagname = "SpecialMode"; break;
case 0x0201: tagname = "CompressionMode"; break;
case 0x0202: tagname = "Macro"; break;
case 0x0204: tagname = "DigitalZoom"; break;
case 0x0208: tagname = "PictureInfo"; break;
case 0x0209: tagname = "CameraID"; break;
case 0x020a: tagname = "MakerUserComment"; break;
case 0x020b: tagname = "ImageWidth"; break;
case 0x020c: tagname = "ImageHeight"; break;
case 0x020d: tagname = "SoftwareRelease"; break;
case 0x0301: tagname = "JpegThumbnailData"; break;
case 0x0e00: tagname = "PrintIM"; break;
case 0x0f00: tagname = "Data"; break;
default: break;
}
setnotetagset(1);
return(tagname);
}
/* This arbitrarily assumes that the Epsons use firmware similar to */
/* that of the Olympus. I have seen no information on the web from */
/* Epson owners who have decoded notes from their cameras. The */
/* following seems to be correct based upon Epson PhotoPC 3000Z */
/* images downloaded from "dpreview" and "imaging resources". */
void
epson1_interpret_value(struct ifd_entry *entry_ptr)
{
int chpr = 0;
if(entry_ptr && (PRINT_VALUE))
{
switch(entry_ptr->tag)
{
case 0x0201: /* Compression Mode */
print_startvalue();
/* 'Quality' is a mix of this and image size. */
/* Interestingly, 'HyPict' (2544x1904) interpolated */
/* images are marked '34' (same as uncompressed 'tiff') */
/* but are in JPEG format with CompressedBitsPerPixel=1. */
/* The value '33' is used by Olympus cameras, which */
/* appear to use similar software. Of course, the Minolta */
/* F100 looks a lot like this too, but uses '4' for */
/* uncompressed. */
switch(entry_ptr->value)
{
case 1: chpr += printf("SQ"); break;
case 2: chpr += printf("HQ"); break;
case 3: chpr += printf("SHQ"); break;
case 33: chpr += printf("not compressed"); break;
case 34: chpr += printf("not compressed"); break;
default: printred("undefined"); break;
}
print_endvalue();
break;
case 0x0202: /* Macro */
print_startvalue();
switch(entry_ptr->value)
{
case 0: chpr += printf("Normal"); break;
case 1: chpr += printf("Macro"); break;
default: printred("undefined"); break;
}
print_endvalue();
break;
default:
break;
}
}
setcharsprinted(chpr);
}
/* Report the "meaning" of tag values found at offsets in an Epson */
/* MakerNote IFD entry (not at an offset). */
void
epson1_interpret_offset_makervalue(FILE *inptr,unsigned short byteorder,
struct ifd_entry *entry_ptr,unsigned long fileoffset_base)
{
unsigned long offset,value;
int chpr = 0;
if(entry_ptr && (PRINT_VALUE))
{
offset = entry_ptr->value + fileoffset_base;
switch(entry_ptr->tag)
{
case 0x0200: /* SpecialMode */
value = read_ulong(inptr,byteorder,offset);
print_startvalue();
/* Don't know what the last 2 values might mean for */
/* "normal" or "fast". */
switch(value)
{
case 0: chpr += printf("Normal"); break;
case 1: chpr += printf("Unknown"); break;
case 2: chpr += printf("Fast"); break;
case 3: chpr += printf("Panorama,");
value = read_ulong(inptr,byteorder,HERE);
chpr += printf("#%lu,",value);
value = read_ulong(inptr,byteorder,HERE);
switch(value)
{
case 1: chpr += printf(" Left to Right"); break;
case 2: chpr += printf(" Right to Left"); break;
case 3: chpr += printf(" Bottom to Top"); break;
case 4: chpr += printf(" Top to Bottom"); break;
default: printred(" undefined"); break;
}
break;
default: printred("undefined"); break;
}
print_endvalue();
break;
default:
break;
}
}
setcharsprinted(chpr);
}
|
