/vendor/exif/makers/nikon.php
PHP | 411 lines | 325 code | 35 blank | 51 comment | 86 complexity | 668c2aa4ad8c540f1ec938bee8bfa813 MD5 | raw file
- <?php //================================================================================================
- //================================================================================================
- //================================================================================================
- /*
- Exifer
- Extracts EXIF information from digital photos.
-
- Copyright ďż˝ 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 = gettext("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 = gettext("VGA Basic"); break;
- case 2: $data = gettext("VGA Normal"); break;
- case 3: $data = gettext("VGA Fine"); break;
- case 4: $data = gettext("SXGA Basic"); break;
- case 5: $data = gettext("SXGA Normal"); break;
- case 6: $data = gettext("SXGA Fine"); break;
- default: $data = gettext("Unknown").": ".$data; break;
- }
- }
- break;
- case "0004":
- if ($model==0) { //Color
- switch ($data) {
- case 1: $data = gettext("Color"); break;
- case 2: $data = gettext("Monochrome"); break;
- default: $data = gettext("Unknown").": ".$data; break;
- }
- }
- break;
- case "0005":
- if ($model==0) { //Image Adjustment
- switch ($data) {
- case 0: $data = gettext("Normal"); break;
- case 1: $data = gettext("Bright+"); break;
- case 2: $data = gettext("Bright-"); break;
- case 3: $data = gettext("Contrast+"); break;
- case 4: $data = gettext("Contrast-"); break;
- default: $data = gettext("Unknown").": ".$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: $data = gettext("Unknown").": ".$data; break;
- }
- }
- break;
- case "0007":
- if ($model==0) { //White Balance
- switch ($data) {
- case 0: $data = gettext("Auto"); break;
- case 1: $data = gettext("Preset"); break;
- case 2: $data = gettext("Daylight"); break;
- case 3: $data = gettext("Incandescence"); break;
- case 4: $data = gettext("Fluorescence"); break;
- case 5: $data = gettext("Cloudy"); break;
- case 6: $data = gettext("SpeedLight"); break;
- default: $data = gettext("Unknown").": ".$data; break;
- }
- }
- break;
- case "000b":
- if ($model==0) { //Converter
- switch ($data) {
- case 0: $data = gettext("None"); break;
- case 1: $data = gettext("Fisheye"); break;
- default: $data = gettext("Unknown").": ".$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 = gettext("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 = gettext("AF non D"); break;
- case 1: $data = gettext("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: $data = gettext("Unknown").": ".$data; break;
- }
- }
- break;
- case "0087":
- if ($model==1) { //Flash type
- $data = hexdec(substr($data,0,2));
- if($data == 0) $data = gettext("Did Not Fire");
- else if($data == 4) $data = gettext("Unknown");
- else if($data == 7) $data = gettext("External");
- else if($data == 9) $data = gettext("On Camera");
- else $data = gettext("Unknown").": ".$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;
- }
- }
-
- }
- }
- ?>