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+<?php defined("SYSPATH") or die("No direct script access.");
+//================================================================================================
+//================================================================================================
+/*
+ Exifer
+ Extracts EXIF information from digital photos.
+
+ Copyright � 2003 Jake Olefsky
+ http://www.offsky.com/software/exif/index.php
+ jake@olefsky.com
+
+ Please see exif.php for the complete information about this software.
+
+ ------------
+
+ This program is free software; you can redistribute it and/or modify it under the terms of
+ the GNU General Public License as published by the Free Software Foundation; either version 2
+ of the License, or (at your option) any later version.
+
+ This program 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 General Public License for more details. http://www.gnu.org/copyleft/gpl.html
+*/
+//================================================================================================
+//================================================================================================
+//================================================================================================
+
+
+
+//=================
+// Looks up the name of the tag for the MakerNote (Depends on Manufacturer)
+//====================================================================
+function lookup_Nikon_tag($tag,$model) {
+
+ if($model==0) {
+ switch($tag) {
+ case "0003": $tag = "Quality";break;
+ case "0004": $tag = "ColorMode";break;
+ case "0005": $tag = "ImageAdjustment";break;
+ case "0006": $tag = "CCDSensitivity";break;
+ case "0007": $tag = "WhiteBalance";break;
+ case "0008": $tag = "Focus";break;
+ case "0009": $tag = "Unknown2";break;
+ case "000a": $tag = "DigitalZoom";break;
+ case "000b": $tag = (string) t("Converter");break;
+
+ default: $tag = "unknown:".$tag;break;
+ }
+ } else if($model==1) {
+ switch($tag) {
+ case "0002": $tag = "ISOSetting";break;
+ case "0003": $tag = "ColorMode";break;
+ case "0004": $tag = "Quality";break;
+ case "0005": $tag = "Whitebalance";break;
+ case "0006": $tag = "ImageSharpening";break;
+ case "0007": $tag = "FocusMode";break;
+ case "0008": $tag = "FlashSetting";break;
+ case "0009": $tag = "FlashMode";break;
+ case "000b": $tag = "WhiteBalanceFine";break;
+ case "000c": $tag = "WB_RBLevels";break;
+ case "000d": $tag = "ProgramShift";break;
+ case "000e": $tag = "ExposureDifference";break;
+ case "000f": $tag = "ISOSelection";break;
+ case "0010": $tag = "DataDump";break;
+ case "0011": $tag = "NikonPreview";break;
+ case "0012": $tag = "FlashExposureComp";break;
+ case "0013": $tag = "ISOSetting2";break;
+ case "0014": $tag = "ColorBalanceA";break;
+ case "0016": $tag = "ImageBoundary";break;
+ case "0017": $tag = "FlashExposureComp";break;
+ case "0018": $tag = "FlashExposureBracketValue";break;
+ case "0019": $tag = "ExposureBracketValue";break;
+ case "001a": $tag = "ImageProcessing";break;
+ case "001b": $tag = "CropHiSpeed";break;
+ case "001c": $tag = "ExposureTuning";break;
+ case "001d": $tag = "SerialNumber";break;
+ case "001e": $tag = "ColorSpace";break;
+ case "001f": $tag = "VRInfo";break;
+ case "0020": $tag = "ImageAuthentication";break;
+ case "0022": $tag = "ActiveD-Lighting";break;
+ case "0023": $tag = "PictureControl";break;
+ case "0024": $tag = "WorldTime";break;
+ case "0025": $tag = "ISOInfo";break;
+ case "002a": $tag = "VignetteControl";break;
+ case "002b": $tag = "DistortInfo";break;
+ case "0080": $tag = "ImageAdjustment";break;
+ case "0081": $tag = "ToneCompensation";break;
+ case "0082": $tag = "Adapter";break;
+ case "0083": $tag = "LensType";break;
+ case "0084": $tag = "LensInfo";break;
+ case "0085": $tag = "ManualFocusDistance";break;
+ case "0086": $tag = "DigitalZoom";break;
+ case "0087": $tag = "FlashUsed";break;
+ case "0088": $tag = "AFFocusPosition";break;
+ case "0089": $tag = "ShootingMode";break;
+ case "008b": $tag = "LensFStops";break;
+ case "008c": $tag = "ContrastCurve";break;
+ case "008d": $tag = "ColorMode";break;
+ case "0090": $tag = "LightType";break;
+ case "0092": $tag = "HueAdjustment";break;
+ case "0093": $tag = "NEFCompression";break;
+ case "0094": $tag = "Saturation";break;
+ case "0095": $tag = "NoiseReduction";break;
+ case "009a": $tag = "SensorPixelSize";break;
+
+ default: $tag = "unknown:".$tag;break;
+ }
+ }
+
+ return $tag;
+}
+
+
+//=================
+// Formats Data for the data type
+//====================================================================
+function formatNikonData($type,$tag,$intel,$model,$data) {
+ switch ($type) {
+ case "ASCII":
+ break; // do nothing!
+ case "URATIONAL":
+ case"SRATIONAL":
+ switch ($tag) {
+ case '0084': // LensInfo
+ $minFL = unRational(substr($data,0,8),$type,$intel);
+ $maxFL = unRational(substr($data,8,8),$type,$intel);
+ $minSP = unRational(substr($data,16,8),$type,$intel);
+ $maxSP = unRational(substr($data,24,8),$type,$intel);
+ if ($minFL == $maxFL) {
+ $data = sprintf('%0.0f f/%0.0f',$minFL,$minSP);
+ } elseif ($minSP == $maxSP) {
+ $data = sprintf('%0.0f-%0.0fmm f/%0.1f',$minFL,$maxFL,$minSP);
+ } else {
+ $data = sprintf('%0.0f-%0.0fmm f/%0.1f-%0.1f',$minFL,$maxFL,$minSP,$maxSP);
+ }
+ break;
+ case "0085":
+ if ($model==1) $data=unRational($data,$type,$intel)." m"; //ManualFocusDistance
+ break;
+ case "0086":
+ if ($model==1) $data=unRational($data,$type,$intel)."x"; //DigitalZoom
+ break;
+ case "000a":
+ if ($model==0) $data=unRational($data,$type,$intel)."x"; //DigitalZoom
+ break;
+ default:
+ $data=unRational($data,$type,$intel);
+ break;
+ }
+ break;
+ case "USHORT":
+ case $type=="SSHORT":
+ case $type=="ULONG":
+ case $type=="SLONG":
+ case $type=="FLOAT":
+ case $type=="DOUBLE":
+ $data = rational($data,$type,$intel);
+ switch ($tag) {
+ case "0003":
+ if ($model==0) { //Quality
+ switch ($data) {
+ case 1: $data = (string) t("VGA Basic"); break;
+ case 2: $data = (string) t("VGA Normal"); break;
+ case 3: $data = (string) t("VGA Fine"); break;
+ case 4: $data = (string) t("SXGA Basic"); break;
+ case 5: $data = (string) t("SXGA Normal"); break;
+ case 6: $data = (string) t("SXGA Fine"); break;
+ default: $data = (string) t("Unknown").": ".$data; break;
+ }
+ }
+ break;
+ case "0004":
+ if ($model==0) { //Color
+ switch ($data) {
+ case 1: $data = (string) t("Color"); break;
+ case 2: $data = (string) t("Monochrome"); break;
+ default: $data = (string) t("Unknown").": ".$data; break;
+ }
+ }
+ break;
+ case "0005":
+ if ($model==0) { //Image Adjustment
+ switch ($data) {
+ case 0: $data = (string) t("Normal"); break;
+ case 1: $data = (string) t("Bright+"); break;
+ case 2: $data = (string) t("Bright-"); break;
+ case 3: $data = (string) t("Contrast+"); break;
+ case 4: $data = (string) t("Contrast-"); break;
+ default: $data = (string) t("Unknown").": ".$data; break;
+ }
+ }
+ break;
+ case "0006":
+ if ($model==0) { //CCD Sensitivity
+ switch($data) {
+ case 0: $data = "ISO-80"; break;
+ case 2: $data = "ISO-160"; break;
+ case 4: $data = "ISO-320"; break;
+ case 5: $data = "ISO-100"; break;
+ default: $data = (string) t("Unknown").": ".$data; break;
+ }
+ }
+ break;
+ case "0007":
+ if ($model==0) { //White Balance
+ switch ($data) {
+ case 0: $data = (string) t("Auto"); break;
+ case 1: $data = (string) t("Preset"); break;
+ case 2: $data = (string) t("Daylight"); break;
+ case 3: $data = (string) t("Incandescence"); break;
+ case 4: $data = (string) t("Fluorescence"); break;
+ case 5: $data = (string) t("Cloudy"); break;
+ case 6: $data = (string) t("SpeedLight"); break;
+ default: $data = (string) t("Unknown").": ".$data; break;
+ }
+ }
+ break;
+ case "000b":
+ if ($model==0) { //Converter
+ switch ($data) {
+ case 0: $data = (string) t("None"); break;
+ case 1: $data = (string) t("Fisheye"); break;
+ default: $data = (string) t("Unknown").": ".$data; break;
+ }
+ }
+ break;
+ }
+ break;
+ case "UNDEFINED":
+ switch ($tag) {
+ case "0001":
+ if ($model==1) $data=$data/100; break; //Unknown (Version?)
+ break;
+ case "0088":
+ if ($model==1) { //AF Focus Position
+ $temp = (string) t("Center");
+ $data = bin2hex($data);
+ $data = str_replace("01","Top",$data);
+ $data = str_replace("02","Bottom",$data);
+ $data = str_replace("03","Left",$data);
+ $data = str_replace("04","Right",$data);
+ $data = str_replace("00","",$data);
+ if(strlen($data)==0) $data = $temp;
+ }
+ break;
+ }
+ break;
+ default:
+ $data = bin2hex($data);
+ if($intel==1) $data = intel2Moto($data);
+ switch ($tag) {
+ case "0083":
+ if ($model==1) { //Lens Type
+ $data = hexdec(substr($data,0,2));
+ switch ($data) {
+ case 0: $data = (string) t("AF non D"); break;
+ case 1: $data = (string) t("Manual"); break;
+ case 2: $data = "AF-D or AF-S"; break;
+ case 6: $data = "AF-D G"; break;
+ case 10: $data = "AF-D VR"; break;
+ case 14: $data = "AF-D G VR"; break;
+ default: $data = (string) t("Unknown").": ".$data; break;
+ }
+ }
+ break;
+ case "0087":
+ if ($model==1) { //Flash type
+ $data = hexdec(substr($data,0,2));
+ if($data == 0) $data = (string) t("Did Not Fire");
+ else if($data == 4) $data = (string) t("Unknown");
+ else if($data == 7) $data = (string) t("External");
+ else if($data == 9) $data = (string) t("On Camera");
+ else $data = (string) t("Unknown").": ".$data;
+ }
+ break;
+ }
+ break;
+ }
+ return $data;
+}
+
+
+//=================
+// Nikon Special data section
+//====================================================================
+function parseNikon($block,&$result) {
+
+ if($result['Endien']=="Intel") $intel=1;
+ else $intel=0;
+
+ $model = $result['IFD0']['Model'];
+
+ //these 6 models start with "Nikon". Other models dont.
+ if($model=="E700\0" || $model=="E800\0" || $model=="E900\0" || $model=="E900S\0" || $model=="E910\0" || $model=="E950\0") {
+ $place=8; //current place
+ $model = 0;
+
+ //Get number of tags (2 bytes)
+ $num = bin2hex(substr($block,$place,2));$place+=2;
+ if($intel==1) $num = intel2Moto($num);
+ $result['SubIFD']['MakerNote']['MakerNoteNumTags'] = hexdec($num);
+
+ //loop thru all tags Each field is 12 bytes
+ for($i=0;$i<hexdec($num);$i++) {
+ //2 byte tag
+ $tag = bin2hex(substr($block,$place,2));$place+=2;
+ if($intel==1) $tag = intel2Moto($tag);
+ $tag_name = lookup_Nikon_tag($tag, $model);
+
+ //2 byte type
+ $type = bin2hex(substr($block,$place,2));$place+=2;
+ if($intel==1) $type = intel2Moto($type);
+ lookup_type($type,$size);
+
+ //4 byte count of number of data units
+ $count = bin2hex(substr($block,$place,4));$place+=4;
+ if($intel==1) $count = intel2Moto($count);
+ $bytesofdata = $size*hexdec($count);
+
+ //4 byte value of data or pointer to data
+ $value = substr($block,$place,4);$place+=4;
+
+ //if tag is 0002 then its the ASCII value which we know is at 140 so calc offset
+ //THIS HACK ONLY WORKS WITH EARLY NIKON MODELS
+ if($tag=="0002") $offset = hexdec($value)-140;
+ if($bytesofdata<=4) {
+ $data = $value;
+ } else {
+ $value = bin2hex($value);
+ if($intel==1) $value = intel2Moto($value);
+ $data = substr($block,hexdec($value)-$offset,$bytesofdata*2);
+ }
+ $formated_data = formatNikonData($type,$tag,$intel,$model,$data);
+
+ if($result['VerboseOutput']==1) {
+ $result['SubIFD']['MakerNote'][$tag_name] = $formated_data;
+ $result['SubIFD']['MakerNote'][$tag_name."_Verbose"]['RawData'] = $data;
+ $result['SubIFD']['MakerNote'][$tag_name."_Verbose"]['Type'] = $type;
+ $result['SubIFD']['MakerNote'][$tag_name."_Verbose"]['Bytes'] = $bytesofdata;
+ } else {
+ $result['SubIFD']['MakerNote'][$tag_name] = $formated_data;
+ }
+ }
+
+ } else {
+ $place=0;//current place
+ $model = 1;
+
+ $nikon = substr($block,$place,8);$place+=8;
+ $endien = substr($block,$place,4);$place+=4;
+
+ //2 bytes of 0x002a
+ $tag = bin2hex(substr($block,$place,2));$place+=2;
+
+ //Then 4 bytes of offset to IFD0 (usually 8 which includes all 8 bytes of TIFF header)
+ $offset = bin2hex(substr($block,$place,4));$place+=4;
+ if($intel==1) $offset = intel2Moto($offset);
+ if(hexdec($offset)>8) $place+=$offset-8;
+
+ //Get number of tags (2 bytes)
+ $num = bin2hex(substr($block,$place,2));$place+=2;
+ if($intel==1) $num = intel2Moto($num);
+
+ //loop thru all tags Each field is 12 bytes
+ for($i=0;$i<hexdec($num);$i++) {
+ //2 byte tag
+ $tag = bin2hex(substr($block,$place,2));$place+=2;
+ if($intel==1) $tag = intel2Moto($tag);
+ $tag_name = lookup_Nikon_tag($tag, $model);
+
+ //2 byte type
+ $type = bin2hex(substr($block,$place,2));$place+=2;
+ if($intel==1) $type = intel2Moto($type);
+ lookup_type($type,$size);
+
+ //4 byte count of number of data units
+ $count = bin2hex(substr($block,$place,4));$place+=4;
+ if($intel==1) $count = intel2Moto($count);
+ $bytesofdata = $size*hexdec($count);
+
+ //4 byte value of data or pointer to data
+ $value = substr($block,$place,4);$place+=4;
+
+ if($bytesofdata<=4) {
+ $data = $value;
+ } else {
+ $value = bin2hex($value);
+ if($intel==1) $value = intel2Moto($value);
+ $data = substr($block,hexdec($value)+hexdec($offset)+2,$bytesofdata);
+ }
+ $formated_data = formatNikonData($type,$tag,$intel,$model,$data);
+
+ if($result['VerboseOutput']==1) {
+ $result['SubIFD']['MakerNote'][$tag_name] = $formated_data;
+ if($type=="URATIONAL" || $type=="SRATIONAL" || $type=="USHORT" || $type=="SSHORT" || $type=="ULONG" || $type=="SLONG" || $type=="FLOAT" || $type=="DOUBLE") {
+ $data = bin2hex($data);
+ if($intel==1) $data = intel2Moto($data);
+ }
+ $result['SubIFD']['MakerNote'][$tag_name."_Verbose"]['RawData'] = $data;
+ $result['SubIFD']['MakerNote'][$tag_name."_Verbose"]['Type'] = $type;
+ $result['SubIFD']['MakerNote'][$tag_name."_Verbose"]['Bytes'] = $bytesofdata;
+ } else {
+ $result['SubIFD']['MakerNote'][$tag_name] = $formated_data;
+ }
+ }
+
+ }
+}
+
+
+?> \ No newline at end of file
generated by cgit v1.0-28-g1787 at 2026-01-08 11:00:01 +0000