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Diffstat (limited to 'modules/exif/lib/makers/canon.php')
| -rw-r--r-- | modules/exif/lib/makers/canon.php | 433 |
1 files changed, 433 insertions, 0 deletions
diff --git a/modules/exif/lib/makers/canon.php b/modules/exif/lib/makers/canon.php new file mode 100644 index 00000000..2536fd2b --- /dev/null +++ b/modules/exif/lib/makers/canon.php @@ -0,0 +1,433 @@ +<?php //================================================================================================ +//================================================================================================ +//================================================================================================ +/* + 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_Canon_tag($tag) { + + switch($tag) { + case "0001": $tag = "Settings 1";break; + case "0004": $tag = "Settings 4";break; + case "0006": $tag = "ImageType";break; + case "0007": $tag = "FirmwareVersion";break; + case "0008": $tag = "ImageNumber";break; + case "0009": $tag = "OwnerName";break; + case "000c": $tag = "CameraSerialNumber";break; + case "000f": $tag = "CustomFunctions";break; + + default: $tag = "unknown:".$tag;break; + } + + return $tag; +} + +//================= +// Formats Data for the data type +//==================================================================== +function formatCanonData($type,$tag,$intel,$data,$exif,&$result) { + $place = 0; + + + if($type=="ASCII") { + $result = $data = str_replace("\0", "", $data); + } else if($type=="URATIONAL" || $type=="SRATIONAL") { + $data = bin2hex($data); + if($intel==1) $data = intel2Moto($data); + $top = hexdec(substr($data,8,8)); + $bottom = hexdec(substr($data,0,8)); + if($bottom!=0) $data=$top/$bottom; + else if($top==0) $data = 0; + else $data=$top."/".$bottom; + + if($tag=="0204") { //DigitalZoom + $data=$data."x"; + } + + } else if($type=="USHORT" || $type=="SSHORT" || $type=="ULONG" || $type=="SLONG" || $type=="FLOAT" || $type=="DOUBLE") { + + $data = bin2hex($data); + $result['RAWDATA'] = $data; + + if($tag=="0001") { //first chunk + $result['Bytes']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//0 + if ($result['Bytes'] != strlen($data) / 2) return $result; //Bad chunk + $result['Macro']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//1 + switch($result['Macro']) { + case 1: $result['Macro'] = gettext("Macro"); break; + case 2: $result['Macro'] = gettext("Normal"); break; + default: $result['Macro'] = gettext("Unknown"); + } + $result['SelfTimer']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//2 + switch($result['SelfTimer']) { + case 0: $result['SelfTimer'] = gettext("Off"); break; + default: $result['SelfTimer'] .= gettext("/10s"); + } + $result['Quality']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//3 + switch($result['Quality']) { + case 2: $result['Quality'] = gettext("Normal"); break; + case 3: $result['Quality'] = gettext("Fine"); break; + case 5: $result['Quality'] = gettext("Superfine"); break; + default: $result['Quality'] = gettext("Unknown"); + } + $result['Flash']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//4 + switch($result['Flash']) { + case 0: $result['Flash'] = gettext("Off"); break; + case 1: $result['Flash'] = gettext("Auto"); break; + case 2: $result['Flash'] = gettext("On"); break; + case 3: $result['Flash'] = gettext("Red Eye Reduction"); break; + case 4: $result['Flash'] = gettext("Slow Synchro"); break; + case 5: $result['Flash'] = gettext("Auto + Red Eye Reduction"); break; + case 6: $result['Flash'] = gettext("On + Red Eye Reduction"); break; + case 16: $result['Flash'] = gettext("External Flash"); break; + default: $result['Flash'] = gettext("Unknown"); + } + $result['DriveMode']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//5 + switch($result['DriveMode']) { + case 0: $result['DriveMode'] = gettext("Single/Timer"); break; + case 1: $result['DriveMode'] = gettext("Continuous"); break; + default: $result['DriveMode'] = gettext("Unknown"); + } + $result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//6 + $result['FocusMode']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//7 + switch($result['FocusMode']) { + case 0: $result['FocusMode'] = gettext("One-Shot"); break; + case 1: $result['FocusMode'] = gettext("AI Servo"); break; + case 2: $result['FocusMode'] = gettext("AI Focus"); break; + case 3: $result['FocusMode'] = gettext("Manual Focus"); break; + case 4: $result['FocusMode'] = gettext("Single"); break; + case 5: $result['FocusMode'] = gettext("Continuous"); break; + case 6: $result['FocusMode'] = gettext("Manual Focus"); break; + default: $result['FocusMode'] = gettext("Unknown"); + } + $result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//8 + $result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//9 + $result['ImageSize']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//10 + switch($result['ImageSize']) { + case 0: $result['ImageSize'] = gettext("Large"); break; + case 1: $result['ImageSize'] = gettext("Medium"); break; + case 2: $result['ImageSize'] = gettext("Small"); break; + default: $result['ImageSize'] = gettext("Unknown"); + } + $result['EasyShooting']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//11 + switch($result['EasyShooting']) { + case 0: $result['EasyShooting'] = gettext("Full Auto"); break; + case 1: $result['EasyShooting'] = gettext("Manual"); break; + case 2: $result['EasyShooting'] = gettext("Landscape"); break; + case 3: $result['EasyShooting'] = gettext("Fast Shutter"); break; + case 4: $result['EasyShooting'] = gettext("Slow Shutter"); break; + case 5: $result['EasyShooting'] = gettext("Night"); break; + case 6: $result['EasyShooting'] = gettext("Black & White"); break; + case 7: $result['EasyShooting'] = gettext("Sepia"); break; + case 8: $result['EasyShooting'] = gettext("Portrait"); break; + case 9: $result['EasyShooting'] = gettext("Sport"); break; + case 10: $result['EasyShooting'] = gettext("Macro/Close-Up"); break; + case 11: $result['EasyShooting'] = gettext("Pan Focus"); break; + default: $result['EasyShooting'] = gettext("Unknown"); + } + $result['DigitalZoom']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//12 + switch($result['DigitalZoom']) { + case 0: + case 65535: $result['DigitalZoom'] = gettext("None"); break; + case 1: $result['DigitalZoom'] = gettext("2x"); break; + case 2: $result['DigitalZoom'] = gettext("4x"); break; + default: $result['DigitalZoom'] = gettext("Unknown"); + } + $result['Contrast']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//13 + switch($result['Contrast']) { + case 0: $result['Contrast'] = gettext("Normal"); break; + case 1: $result['Contrast'] = gettext("High"); break; + case 65535: $result['Contrast'] = gettext("Low"); break; + default: $result['Contrast'] = gettext("Unknown"); + } + $result['Saturation']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//14 + switch($result['Saturation']) { + case 0: $result['Saturation'] = gettext("Normal"); break; + case 1: $result['Saturation'] = gettext("High"); break; + case 65535: $result['Saturation'] = gettext("Low"); break; + default: $result['Saturation'] = gettext("Unknown"); + } + $result['Sharpness']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//15 + switch($result['Sharpness']) { + case 0: $result['Sharpness'] = gettext("Normal"); break; + case 1: $result['Sharpness'] = gettext("High"); break; + case 65535: $result['Sharpness'] = gettext("Low"); break; + default: $result['Sharpness'] = gettext("Unknown"); + } + $result['ISO']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//16 + switch($result['ISO']) { + case 32767: + case 0: $result['ISO'] = isset($exif['SubIFD']['ISOSpeedRatings']) + ? $exif['SubIFD']['ISOSpeedRatings'] : 'Unknown'; break; + case 15: $result['ISO'] = gettext("Auto"); break; + case 16: $result['ISO'] = gettext("50"); break; + case 17: $result['ISO'] = gettext("100"); break; + case 18: $result['ISO'] = gettext("200"); break; + case 19: $result['ISO'] = gettext("400"); break; + default: $result['ISO'] = gettext("Unknown"); + } + $result['MeteringMode']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//17 + switch($result['MeteringMode']) { + case 3: $result['MeteringMode'] = gettext("Evaluative"); break; + case 4: $result['MeteringMode'] = gettext("Partial"); break; + case 5: $result['MeteringMode'] = gettext("Center-weighted"); break; + default: $result['MeteringMode'] = gettext("Unknown"); + } + $result['FocusType']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//18 + switch($result['FocusType']) { + case 0: $result['FocusType'] = gettext("Manual"); break; + case 1: $result['FocusType'] = gettext("Auto"); break; + case 3: $result['FocusType'] = gettext("Close-up (Macro)"); break; + case 8: $result['FocusType'] = gettext("Locked (Pan Mode)"); break; + default: $result['FocusType'] = gettext("Unknown"); + } + $result['AFPointSelected']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//19 + switch($result['AFPointSelected']) { + case 12288: $result['AFPointSelected'] = gettext("Manual Focus"); break; + case 12289: $result['AFPointSelected'] = gettext("Auto Selected"); break; + case 12290: $result['AFPointSelected'] = gettext("Right"); break; + case 12291: $result['AFPointSelected'] = gettext("Center"); break; + case 12292: $result['AFPointSelected'] = gettext("Left"); break; + default: $result['AFPointSelected'] = gettext("Unknown"); + } + $result['ExposureMode']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//20 + switch($result['ExposureMode']) { + case 0: $result['ExposureMode'] = gettext("EasyShoot"); break; + case 1: $result['ExposureMode'] = gettext("Program"); break; + case 2: $result['ExposureMode'] = gettext("Tv"); break; + case 3: $result['ExposureMode'] = gettext("Av"); break; + case 4: $result['ExposureMode'] = gettext("Manual"); break; + case 5: $result['ExposureMode'] = gettext("Auto-DEP"); break; + default: $result['ExposureMode'] = gettext("Unknown"); + } + $result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//21 + $result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//22 + $result['LongFocalLength']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//23 + $result['LongFocalLength'] .= " focal units"; + $result['ShortFocalLength']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//24 + $result['ShortFocalLength'] .= " focal units"; + $result['FocalUnits']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//25 + $result['FocalUnits'] .= " per mm"; + $result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//26 + $result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//27 + $result['FlashActivity']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//28 + switch($result['FlashActivity']) { + case 0: $result['FlashActivity'] = gettext("Flash Did Not Fire"); break; + case 1: $result['FlashActivity'] = gettext("Flash Fired"); break; + default: $result['FlashActivity'] = gettext("Unknown"); + } + $result['FlashDetails']=str_pad(base_convert(intel2Moto(substr($data,$place,4)), 16, 2), 16, "0", STR_PAD_LEFT);$place+=4;//29 + $flashDetails = array(); + if (substr($result['FlashDetails'], 1, 1) == 1) { $flashDetails[] = gettext('External E-TTL'); } + if (substr($result['FlashDetails'], 2, 1) == 1) { $flashDetails[] = gettext('Internal Flash'); } + if (substr($result['FlashDetails'], 4, 1) == 1) { $flashDetails[] = gettext('FP sync used'); } + if (substr($result['FlashDetails'], 8, 1) == 1) { $flashDetails[] = gettext('2nd(rear)-curtain sync used'); } + if (substr($result['FlashDetails'], 12, 1) == 1) { $flashDetails[] = gettext('1st curtain sync'); } + $result['FlashDetails']=implode(",", $flashDetails); + $result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//30 + $result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//31 + $anotherFocusMode=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//32 + if(strpos(strtoupper($exif['IFD0']['Model']), "G1") !== false) { + switch($anotherFocusMode) { + case 0: $result['FocusMode'] = gettext("Single"); break; + case 1: $result['FocusMode'] = gettext("Continuous"); break; + default: $result['FocusMode'] = gettext("Unknown"); + } + } + + } else if($tag=="0004") { //second chunk + $result['Bytes']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//0 + if ($result['Bytes'] != strlen($data) / 2) return $result; //Bad chunk + $result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//1 + $result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//2 + $result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//3 + $result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//4 + $result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//5 + $result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//6 + $result['WhiteBalance']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//7 + switch($result['WhiteBalance']) { + case 0: $result['WhiteBalance'] = gettext("Auto"); break; + case 1: $result['WhiteBalance'] = gettext("Sunny"); break; + case 2: $result['WhiteBalance'] = gettext("Cloudy"); break; + case 3: $result['WhiteBalance'] = gettext("Tungsten"); break; + case 4: $result['WhiteBalance'] = gettext("Fluorescent"); break; + case 5: $result['WhiteBalance'] = gettext("Flash"); break; + case 6: $result['WhiteBalance'] = gettext("Custom"); break; + default: $result['WhiteBalance'] = gettext("Unknown"); + } + $result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//8 + $result['SequenceNumber']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//9 + $result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//10 + $result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//11 + $result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//12 + $result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//13 + $result['AFPointUsed']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//14 + $afPointUsed = array(); + if ($result['AFPointUsed'] & 0x0001) $afPointUsed[] = gettext("Right"); //bit 0 + if ($result['AFPointUsed'] & 0x0002) $afPointUsed[] = gettext("Center"); //bit 1 + if ($result['AFPointUsed'] & 0x0004) $afPointUsed[] = gettext("Left"); //bit 2 + if ($result['AFPointUsed'] & 0x0800) $afPointUsed[] = gettext("12"); //bit 12 + if ($result['AFPointUsed'] & 0x1000) $afPointUsed[] = gettext("13"); //bit 13 + if ($result['AFPointUsed'] & 0x2000) $afPointUsed[] = gettext("14"); //bit 14 + if ($result['AFPointUsed'] & 0x4000) $afPointUsed[] = gettext("15"); //bit 15 + $result['AFPointUsed'] = implode(",", $afPointUsed); + $result['FlashBias']=intel2Moto(substr($data,$place,4));$place+=4;//15 + switch($result['FlashBias']) { + case 'ffc0': $result['FlashBias'] = "-2 EV"; break; + case 'ffcc': $result['FlashBias'] = "-1.67 EV"; break; + case 'ffd0': $result['FlashBias'] = "-1.5 EV"; break; + case 'ffd4': $result['FlashBias'] = "-1.33 EV"; break; + case 'ffe0': $result['FlashBias'] = "-1 EV"; break; + case 'ffec': $result['FlashBias'] = "-0.67 EV"; break; + case 'fff0': $result['FlashBias'] = "-0.5 EV"; break; + case 'fff4': $result['FlashBias'] = "-0.33 EV"; break; + case '0000': $result['FlashBias'] = "0 EV"; break; + case '000c': $result['FlashBias'] = "0.33 EV"; break; + case '0010': $result['FlashBias'] = "0.5 EV"; break; + case '0014': $result['FlashBias'] = "0.67 EV"; break; + case '0020': $result['FlashBias'] = "1 EV"; break; + case '002c': $result['FlashBias'] = "1.33 EV"; break; + case '0030': $result['FlashBias'] = "1.5 EV"; break; + case '0034': $result['FlashBias'] = "1.67 EV"; break; + case '0040': $result['FlashBias'] = "2 EV"; break; + default: $result['FlashBias'] = gettext("Unknown"); + } + $result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//16 + $result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//17 + $result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//18 + $result['SubjectDistance']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//19 + $result['SubjectDistance'] .= "/100 m"; + + } else if($tag=="0008") { //image number + if($intel==1) $data = intel2Moto($data); + $data=hexdec($data); + $result = round($data/10000)."-".$data%10000; + } else if($tag=="000c") { //camera serial number + if($intel==1) $data = intel2Moto($data); + $data=hexdec($data); + $result = "#".bin2hex(substr($data,0,16)).substr($data,16,16); + } + + } else if($type=="UNDEFINED") { + + + + } else { + $data = bin2hex($data); + if($intel==1) $data = intel2Moto($data); + } + + return $data; +} + + + +//================= +// Cannon Special data section +// Useful: http://www.burren.cx/david/canon.html +// http://www.burren.cx/david/canon.html +// http://www.ozhiker.com/electronics/pjmt/jpeg_info/canon_mn.html +//==================================================================== +function parseCanon($block,&$result,$seek, $globalOffset) { + $place = 0; //current place + + if($result['Endien']=="Intel") $intel=1; + else $intel=0; + + $model = $result['IFD0']['Model']; + + //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); + $tag_name = lookup_Canon_tag($tag); + + //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); + + if($bytesofdata<=0) { + return; //if this value is 0 or less then we have read all the tags we can + } + + //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); + $v = fseek($seek,$globalOffset+hexdec($value)); //offsets are from TIFF header which is 12 bytes from the start of the file + if (isset($GLOBALS['exiferFileSize'])) { + $exiferFileSize = $GLOBALS['exiferFileSize']; + } else { + $exiferFileSize = 0; + } + if($v==0 && $bytesofdata < $exiferFileSize) { + $data = fread($seek, $bytesofdata); + } else if($v==-1) { + $result['Errors'] = $result['Errors']++; + $data = ''; + } else { + $data = ''; + } + } + $result['SubIFD']['MakerNote'][$tag_name] = ''; // insure the index exists + $formated_data = formatCanonData($type,$tag,$intel,$data,$result,$result['SubIFD']['MakerNote'][$tag_name]); + + 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; + } + } +} + + +?>
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