#------------------------------------------------------------------------------
# File:         TagLookup.pm
#
# Description:  Fast lookup for ExifTool tags
#
# Notes:        This lookup is used to look up tag names for writing
#
# Revisions:    12/31/2004  - P. Harvey Created
#------------------------------------------------------------------------------

package Image::ExifTool::TagLookup;

use strict;
require Exporter;

use vars qw($VERSION @ISA @EXPORT_OK);
use Image::ExifTool qw(:Utils);

$VERSION = '1.04';
@ISA = qw(Exporter);
@EXPORT_OK = qw(FindTagInfo TagExists);

#
# Note: the lists below were generated by Image::ExifTool::BuildTagLookup
#

#++++ Begin automatically generated code ++++

# list of tables containing writable tags
my @tableList = (
	'Image::ExifTool::APP12::Ducky',
	'Image::ExifTool::Canon::CameraInfo1D',
	'Image::ExifTool::Canon::CameraInfo1DmkII',
	'Image::ExifTool::Canon::CameraInfo1DmkIII',
	'Image::ExifTool::Canon::CameraInfo1DmkIIN',
	'Image::ExifTool::Canon::CameraInfo40D',
	'Image::ExifTool::Canon::CameraInfo5D',
	'Image::ExifTool::Canon::CameraInfoPowerShot',
	'Image::ExifTool::Canon::CameraSettings',
	'Image::ExifTool::Canon::ColorBalance',
	'Image::ExifTool::Canon::ColorBalance1',
	'Image::ExifTool::Canon::ColorBalance2',
	'Image::ExifTool::Canon::ColorBalance3',
	'Image::ExifTool::Canon::ColorBalance4',
	'Image::ExifTool::Canon::ColorInfo',
	'Image::ExifTool::Canon::FaceDetect1',
	'Image::ExifTool::Canon::FaceDetect2',
	'Image::ExifTool::Canon::FileInfo',
	'Image::ExifTool::Canon::Flags',
	'Image::ExifTool::Canon::FocalLength',
	'Image::ExifTool::Canon::Main',
	'Image::ExifTool::Canon::ModifiedInfo',
	'Image::ExifTool::Canon::MyColors',
	'Image::ExifTool::Canon::Panorama',
	'Image::ExifTool::Canon::PreviewImageInfo',
	'Image::ExifTool::Canon::Processing',
	'Image::ExifTool::Canon::SerialInfo',
	'Image::ExifTool::Canon::ShotInfo',
	'Image::ExifTool::CanonCustom::Functions10D',
	'Image::ExifTool::CanonCustom::Functions1D',
	'Image::ExifTool::CanonCustom::Functions2',
	'Image::ExifTool::CanonCustom::Functions20D',
	'Image::ExifTool::CanonCustom::Functions30D',
	'Image::ExifTool::CanonCustom::Functions350D',
	'Image::ExifTool::CanonCustom::Functions400D',
	'Image::ExifTool::CanonCustom::Functions5D',
	'Image::ExifTool::CanonCustom::FunctionsD30',
	'Image::ExifTool::CanonCustom::PersonalFuncValues',
	'Image::ExifTool::CanonCustom::PersonalFuncs',
	'Image::ExifTool::CanonRaw::ExposureInfo',
	'Image::ExifTool::CanonRaw::FlashInfo',
	'Image::ExifTool::CanonRaw::ImageFormat',
	'Image::ExifTool::CanonRaw::ImageInfo',
	'Image::ExifTool::CanonRaw::Main',
	'Image::ExifTool::CanonRaw::MakeModel',
	'Image::ExifTool::CanonRaw::RawJpgInfo',
	'Image::ExifTool::CanonRaw::TimeStamp',
	'Image::ExifTool::CanonVRD::Ver1',
	'Image::ExifTool::CanonVRD::Ver2',
	'Image::ExifTool::Casio::Main',
	'Image::ExifTool::Casio::Type2',
	'Image::ExifTool::Composite',
	'Image::ExifTool::DNG::AdobeData',
	'Image::ExifTool::Exif::Main',
	'Image::ExifTool::Extra',
	'Image::ExifTool::FotoStation::Main',
	'Image::ExifTool::FotoStation::SoftEdit',
	'Image::ExifTool::FujiFilm::Main',
	'Image::ExifTool::GPS::Main',
	'Image::ExifTool::IPTC::ApplicationRecord',
	'Image::ExifTool::IPTC::EnvelopeRecord',
	'Image::ExifTool::IPTC::NewsPhoto',
	'Image::ExifTool::JFIF::Main',
	'Image::ExifTool::Kodak::CameraInfo',
	'Image::ExifTool::Kodak::IFD',
	'Image::ExifTool::Kodak::Main',
	'Image::ExifTool::Kodak::SubIFD0',
	'Image::ExifTool::Kodak::SubIFD1',
	'Image::ExifTool::Kodak::SubIFD2',
	'Image::ExifTool::Kodak::SubIFD3',
	'Image::ExifTool::Kodak::SubIFD5',
	'Image::ExifTool::Kodak::Type2',
	'Image::ExifTool::Kodak::Type3',
	'Image::ExifTool::Kodak::Type4',
	'Image::ExifTool::Kodak::Type7',
	'Image::ExifTool::MIE::Audio',
	'Image::ExifTool::MIE::Camera',
	'Image::ExifTool::MIE::Doc',
	'Image::ExifTool::MIE::Extender',
	'Image::ExifTool::MIE::Flash',
	'Image::ExifTool::MIE::GPS',
	'Image::ExifTool::MIE::Geo',
	'Image::ExifTool::MIE::Image',
	'Image::ExifTool::MIE::Lens',
	'Image::ExifTool::MIE::Main',
	'Image::ExifTool::MIE::Orient',
	'Image::ExifTool::MIE::Preview',
	'Image::ExifTool::MIE::Thumbnail',
	'Image::ExifTool::MIE::UTM',
	'Image::ExifTool::MIE::Video',
	'Image::ExifTool::Minolta::CameraSettings',
	'Image::ExifTool::Minolta::CameraSettings5D',
	'Image::ExifTool::Minolta::CameraSettings7D',
	'Image::ExifTool::Minolta::CameraSettingsA100',
	'Image::ExifTool::Minolta::Main',
	'Image::ExifTool::MinoltaRaw::PRD',
	'Image::ExifTool::MinoltaRaw::RIF',
	'Image::ExifTool::MinoltaRaw::WBG',
	'Image::ExifTool::Nikon::AFInfo',
	'Image::ExifTool::Nikon::AFInfo2',
	'Image::ExifTool::Nikon::ColorBalance1',
	'Image::ExifTool::Nikon::ColorBalance2',
	'Image::ExifTool::Nikon::ColorBalance3',
	'Image::ExifTool::Nikon::ColorBalance4',
	'Image::ExifTool::Nikon::FileInfo',
	'Image::ExifTool::Nikon::FlashInfo0100',
	'Image::ExifTool::Nikon::FlashInfo0102',
	'Image::ExifTool::Nikon::GEM',
	'Image::ExifTool::Nikon::ISOInfo',
	'Image::ExifTool::Nikon::LensData00',
	'Image::ExifTool::Nikon::LensData01',
	'Image::ExifTool::Nikon::Main',
	'Image::ExifTool::Nikon::MultiExposure',
	'Image::ExifTool::Nikon::PictureControl',
	'Image::ExifTool::Nikon::PreviewImage',
	'Image::ExifTool::Nikon::ROC',
	'Image::ExifTool::Nikon::Scan',
	'Image::ExifTool::Nikon::ShotInfo',
	'Image::ExifTool::Nikon::ShotInfoD300',
	'Image::ExifTool::Nikon::ShotInfoD40',
	'Image::ExifTool::Nikon::ShotInfoD80',
	'Image::ExifTool::Nikon::Type2',
	'Image::ExifTool::Nikon::VRInfo',
	'Image::ExifTool::Nikon::WorldTime',
	'Image::ExifTool::NikonCapture::Brightness',
	'Image::ExifTool::NikonCapture::ColorBoost',
	'Image::ExifTool::NikonCapture::CropData',
	'Image::ExifTool::NikonCapture::DLightingHQ',
	'Image::ExifTool::NikonCapture::DLightingHS',
	'Image::ExifTool::NikonCapture::Main',
	'Image::ExifTool::NikonCapture::NoiseReduction',
	'Image::ExifTool::NikonCapture::PhotoEffects',
	'Image::ExifTool::NikonCapture::RedEyeData',
	'Image::ExifTool::NikonCapture::UnsharpData',
	'Image::ExifTool::NikonCapture::WBAdjData',
	'Image::ExifTool::Olympus::CameraSettings',
	'Image::ExifTool::Olympus::Equipment',
	'Image::ExifTool::Olympus::FETags',
	'Image::ExifTool::Olympus::FocusInfo',
	'Image::ExifTool::Olympus::ImageProcessing',
	'Image::ExifTool::Olympus::Main',
	'Image::ExifTool::Olympus::RawDevelopment',
	'Image::ExifTool::Olympus::RawDevelopment2',
	'Image::ExifTool::Olympus::RawInfo',
	'Image::ExifTool::PDF::Info',
	'Image::ExifTool::PNG::Main',
	'Image::ExifTool::PNG::TextualData',
	'Image::ExifTool::Panasonic::Leica2',
	'Image::ExifTool::Panasonic::Leica3',
	'Image::ExifTool::Panasonic::Main',
	'Image::ExifTool::Panasonic::Raw',
	'Image::ExifTool::Pentax::AEInfo',
	'Image::ExifTool::Pentax::AFInfo',
	'Image::ExifTool::Pentax::BatteryInfo',
	'Image::ExifTool::Pentax::CameraInfo',
	'Image::ExifTool::Pentax::CameraSettings',
	'Image::ExifTool::Pentax::ColorInfo',
	'Image::ExifTool::Pentax::EVStepInfo',
	'Image::ExifTool::Pentax::FlashInfo',
	'Image::ExifTool::Pentax::LensData',
	'Image::ExifTool::Pentax::LensInfo',
	'Image::ExifTool::Pentax::LensInfo2',
	'Image::ExifTool::Pentax::Main',
	'Image::ExifTool::Pentax::SRInfo',
	'Image::ExifTool::Pentax::Type2',
	'Image::ExifTool::PhotoMechanic::SoftEdit',
	'Image::ExifTool::PhotoMechanic::XMP',
	'Image::ExifTool::Photoshop::JPEG_Quality',
	'Image::ExifTool::Photoshop::Main',
	'Image::ExifTool::Photoshop::Resolution',
	'Image::ExifTool::PostScript::Main',
	'Image::ExifTool::Ricoh::ImageInfo',
	'Image::ExifTool::Ricoh::Main',
	'Image::ExifTool::Sanyo::Main',
	'Image::ExifTool::Sigma::Main',
	'Image::ExifTool::Sony::Main',
	'Image::ExifTool::XMP::DICOM',
	'Image::ExifTool::XMP::Lightroom',
	'Image::ExifTool::XMP::MediaPro',
	'Image::ExifTool::XMP::Microsoft',
	'Image::ExifTool::XMP::aux',
	'Image::ExifTool::XMP::cc',
	'Image::ExifTool::XMP::crs',
	'Image::ExifTool::XMP::dc',
	'Image::ExifTool::XMP::dex',
	'Image::ExifTool::XMP::exif',
	'Image::ExifTool::XMP::iptcCore',
	'Image::ExifTool::XMP::pdf',
	'Image::ExifTool::XMP::photoshop',
	'Image::ExifTool::XMP::plus',
	'Image::ExifTool::XMP::tiff',
	'Image::ExifTool::XMP::xmp',
	'Image::ExifTool::XMP::xmpBJ',
	'Image::ExifTool::XMP::xmpDM',
	'Image::ExifTool::XMP::xmpMM',
	'Image::ExifTool::XMP::xmpPLUS',
	'Image::ExifTool::XMP::xmpRights',
	'Image::ExifTool::XMP::xmpTPg',
);

# lookup for all writable tags
my %tagLookup = (
	'abspeakaudiofilepath' => { 193 => 'absPeakAudioFilePath' },
	'accessorytype' => { 149 => 0x53 },
	'actionadvised' => { 59 => 0x2a },
	'activearea' => { 53 => 0xc68d },
	'actived-lighting' => { 111 => 0x22 },
	'addaspectratioinfo' => { 30 => 0x80e },
	'addoriginaldecisiondata' => { 30 => 0x80f, 31 => 0x11, 32 => 0x13, 35 => 0x14 },
	'address' => { 81 => 'Address' },
	'adjustmentmode' => { 174 => [0x15,0x22] },
	'adultcontentwarning' => { 189 => 'AdultContentWarning' },
	'advancedraw' => { 129 => 0x76a43203 },
	'advisory' => { 191 => 'Advisory' },
	'ae_iso' => { 151 => 0x2 },
	'aeaperture' => { 151 => 0x1 },
	'aebautocancel' => { 30 => 0x104 },
	'aebbracketvalue' => { 27 => 0x11 },
	'aebsequence' => { 28 => 0x9, 29 => 0x9, 30 => 0x105, 31 => 0x8, 32 => 0x9, 35 => 0x9, 36 => 0x7 },
	'aebshotcount' => { 30 => 0x106 },
	'aebxv' => { 151 => 0x4 },
	'aeexposuretime' => { 151 => 0x0 },
	'aeextra' => { 151 => 0x7 },
	'aelock' => { 119 => '733.3', 120 => '752.2', 135 => 0x201, 162 => 0x48 },
	'aelockbutton' => { 119 => '733.2', 120 => '752.1' },
	'aemaxaperture' => { 151 => 0x9 },
	'aemaxaperture2' => { 151 => 0xa },
	'aemeteringmode' => { 151 => 0xc },
	'aemeteringsegments' => { 162 => 0x209 },
	'aeminaperture' => { 151 => 0xb },
	'aeminexposuretime' => { 151 => 0x5 },
	'aeprogrammode' => { 151 => 0x6 },
	'aesetting' => { 8 => 0x21 },
	'aexv' => { 151 => 0x3 },
	'af-cpriorityselection' => { 118 => '791.1' },
	'af-onformb-d10' => { 118 => '793.1' },
	'af-spriorityselection' => { 118 => '791.2' },
	'afactivation' => { 118 => '792.1' },
	'afadjustment' => { 162 => 0x72 },
	'afaperture' => { 110 => 0x5 },
	'afareaillumination' => { 120 => '763.3' },
	'afareamode' => { 98 => 0x0, 120 => 0x2fc },
	'afareamodesetting' => { 119 => 0x2e4 },
	'afareas' => { 135 => 0x304 },
	'afassist' => { 28 => 0x5, 36 => 0x5, 119 => '729.2', 120 => '748.2' },
	'afassistbeam' => { 30 => 0x50e, 31 => 0x4, 32 => 0x5, 33 => 0x4, 34 => 0x4, 35 => 0x5 },
	'afassistilluminator' => { 118 => '792.4' },
	'afdefocus' => { 152 => 0x6 },
	'afduringliveview' => { 30 => 0x511 },
	'afexpansionwithselectedpoint' => { 30 => 0x508 },
	'affinetuneadj' => { 118 => 0x2d1 },
	'afintegrationtime' => { 152 => 0x7 },
	'afmicroadjustment' => { 30 => 0x507 },
	'afmode' => { 149 => 0xf, 174 => 0x5 },
	'afonaelockbuttonswitch' => { 30 => 0x702 },
	'afpoint' => { 8 => 0x13, 49 => 0x18, 98 => 0x1, 138 => 0x308 },
	'afpointactivationarea' => { 29 => 0x11, 35 => 0x11 },
	'afpointautoselection' => { 30 => 0x50b },
	'afpointbrightness' => { 30 => 0x50d },
	'afpointdisplayduringfocus' => { 30 => 0x50c },
	'afpointillumination' => { 29 => 0xa, 118 => '792.3' },
	'afpointmode' => { 155 => 0x3 },
	'afpointposition' => { 50 => 0x2021 },
	'afpointregistration' => { 28 => 0x7 },
	'afpoints' => { 92 => 0x10 },
	'afpointselected' => { 162 => 0xe },
	'afpointselected2' => { 155 => 0x4 },
	'afpointselection' => { 29 => 0xb, 118 => '791.3' },
	'afpointselectionmethod' => { 30 => 0x50f, 31 => 0xc, 32 => 0xd, 35 => 0xd },
	'afpointsinfocus' => { 27 => 0xe, 98 => 0x2, 152 => 0xb, 162 => [0xf,0x3c] },
	'afpointsinfocus5d' => { 6 => 0x38 },
	'afpointspotmetering' => { 29 => 0xd },
	'afpointsunknown1' => { 152 => 0x0 },
	'afpointsunknown2' => { 152 => 0x2 },
	'afpointsused' => { 99 => 0x8 },
	'afpredictor' => { 152 => 0x4 },
	'afresponse' => { 111 => 0xad },
	'afresult' => { 140 => 0x1038 },
	'afsearch' => { 135 => 0x303 },
	'aiservoimagepriority' => { 30 => 0x503 },
	'aiservotrackingmethod' => { 30 => 0x504 },
	'aiservotrackingsensitivity' => { 29 => 0x14, 30 => 0x502 },
	'album' => { 193 => 'album' },
	'alreadyapplied' => { 182 => 'AlreadyApplied' },
	'alttapename' => { 193 => 'altTapeName' },
	'alttimecodetimeformat' => { 193 => 'altTimecodeTimeFormat' },
	'alttimecodetimevalue' => { 193 => 'altTimecodeTimeValue' },
	'anti-blur' => { 175 => 0xb04b },
	'antialiasstrength' => { 53 => 0xc632 },
	'aperturerange' => { 30 => 0x10d },
	'apertureringuse' => { 155 => '1.4' },
	'aperturevalue' => { 53 => 0x9202, 140 => 0x1002, 185 => 'ApertureValue' },
	'applekeywords' => { 144 => 'AAPL:Keywords' },
	'applicationnotes' => { 53 => 0x2bc },
	'applicationrecordversion' => { 59 => 0x0 },
	'applyshootingmeteringmode' => { 30 => 0x10e },
	'approximatefnumber' => { 147 => 0x313 },
	'armidentifier' => { 60 => 0x78 },
	'armversion' => { 60 => 0x7a },
	'artist' => { 53 => 0x13b, 146 => 'Artist', 190 => 'Artist', 193 => 'artist' },
	'asshoticcprofile' => { 53 => 0xc68f },
	'asshotpreprofilematrix' => { 53 => 0xc690 },
	'asshotprofilename' => { 53 => 0xc6f6 },
	'asshotwhitexy' => { 53 => 0xc629 },
	'assistbuttonfunction' => { 28 => 0xd },
	'audio' => { 149 => 0x20 },
	'audiochanneltype' => { 193 => 'audioChannelType' },
	'audiocompression' => { 75 => 'Compression' },
	'audiocompressor' => { 193 => 'audioCompressor' },
	'audioduration' => { 59 => 0x99 },
	'audiomoddate' => { 193 => 'audioModDate' },
	'audiooutcue' => { 59 => 0x9a },
	'audiosamplerate' => { 193 => 'audioSampleRate' },
	'audiosampletype' => { 193 => 'audioSampleType' },
	'audiosamplingrate' => { 59 => 0x97 },
	'audiosamplingresolution' => { 59 => 0x98 },
	'audiotype' => { 59 => 0x96 },
	'author' => { 77 => 'Author', 144 => 'Author', 146 => 'Author', 170 => 'Author', 187 => 'Author' },
	'authorsposition' => { 188 => 'AuthorsPosition' },
	'autoaperture' => { 159 => '0.1' },
	'autobracket' => { 174 => 0x19 },
	'autobracketing' => { 57 => 0x1100, 162 => 0x18 },
	'autobracketmodem' => { 118 => '811.2' },
	'autobracketorder' => { 118 => '811.3', 120 => '750.2' },
	'autobracketrelease' => { 111 => 0x8a },
	'autobracketset' => { 118 => '811.1', 120 => '750.1' },
	'autobrightness' => { 182 => 'AutoBrightness' },
	'autocontrast' => { 182 => 'AutoContrast' },
	'autoexposure' => { 182 => 'AutoExposure' },
	'autoexposurebracketing' => { 27 => 0x10 },
	'autofocus' => { 138 => 0x209 },
	'autofp' => { 120 => '755.2' },
	'autoiso' => { 27 => 0x1, 50 => 0x3008, 119 => '730.1', 120 => '749.1' },
	'autoisomax' => { 119 => '730.2', 120 => '749.2' },
	'autoisominshutterspeed' => { 119 => '730.3', 120 => '749.3' },
	'autolightingoptimizer' => { 30 => 0x204 },
	'autorotate' => { 27 => 0x1b },
	'autoshadows' => { 182 => 'AutoShadows' },
	'auxiliarylens' => { 111 => 0x82 },
	'avaperturesetting' => { 155 => 0x13 },
	'avsettingwithoutlens' => { 30 => 0x707 },
	'avvalue' => { 39 => 0x2 },
	'azimuth' => { 85 => 'Azimuth' },
	'babyage' => { 149 => [0x8010,0x33] },
	'baseexposurecompensation' => { 155 => 0x15 },
	'baseiso' => { 27 => 0x2, 43 => 0x101c },
	'baselineexposure' => { 53 => 0xc62a },
	'baselinenoise' => { 53 => 0xc62b },
	'baselinesharpness' => { 53 => 0xc62c },
	'baseurl' => { 191 => 'BaseURL' },
	'batteryadbodyload' => { 153 => 0x3 },
	'batteryadbodynoload' => { 153 => 0x2 },
	'batteryadgripload' => { 153 => 0x5 },
	'batteryadgripnoload' => { 153 => 0x4 },
	'batteryorder' => { 118 => '802.3' },
	'batterystates' => { 153 => 0x1 },
	'bayergreensplit' => { 53 => 0xc62d },
	'bayerpattern' => { 63 => 0xf902, 95 => 0x17 },
	'beatspliceparamsriseindecibel' => { 193 => 'beatSpliceParamsRiseInDecibel' },
	'beatspliceparamsriseintimeduration' => { 193 => 'beatSpliceParamsRiseInTimeDuration' },
	'beatspliceparamsusefilebeatsmarker' => { 193 => 'beatSpliceParamsUseFileBeatsMarker' },
	'beep' => { 118 => '803.1', 119 => '729.1', 120 => '748.1' },
	'bestqualityscale' => { 53 => 0xc65c },
	'bestshotmode' => { 50 => 0x3007 },
	'bitdepth' => { 82 => 'BitDepth', 95 => 0x11, 116 => 0x41 },
	'bitspercomponent' => { 61 => 0x87 },
	'bitspersample' => { 53 => 0x102, 190 => 'BitsPerSample' },
	'blacklevel' => { 140 => 0x1012 },
	'blacklevel2' => { 139 => 0x600, 143 => 0x600 },
	'blackpoint' => { 162 => 0x200 },
	'bluebalance' => { 140 => 0x1018, 150 => 0x12, 162 => 0x1b },
	'bluecurvelimits' => { 47 => 0x1fe },
	'bluecurvepoints' => { 47 => 0x1d4 },
	'bluehue' => { 182 => 'BlueHue' },
	'bluesaturation' => { 182 => 'BlueSaturation' },
	'blurwarning' => { 57 => 0x1300 },
	'bodyfirmwareversion' => { 136 => 0x104, 137 => 0x100, 140 => 0x104 },
	'bracketmode' => { 17 => 0x3 },
	'bracketsequence' => { 50 => 0x301d },
	'bracketshotnumber' => { 17 => 0x5, 155 => 0x9 },
	'bracketstep' => { 90 => 0xe },
	'bracketvalue' => { 17 => 0x4 },
	'brightness' => { 53 => 0xfe53, 76 => 'Brightness', 90 => 0x2c, 113 => 0x34, 182 => 'Brightness' },
	'brightnessadj' => { 47 => 0x114, 124 => 0x0 },
	'brightnessvalue' => { 53 => 0x9203, 140 => 0x1003, 185 => 'BrightnessValue' },
	'bulbduration' => { 27 => 0x18 },
	'burstmode' => { 65 => 0xa, 149 => 0x2a },
	'burstmode2' => { 65 => 0x18 },
	'buttonfunctioncontroloff' => { 30 => 0x70a },
	'bwfilter' => { 90 => 0x2a, 96 => 0x39 },
	'bwmode' => { 140 => 0x203 },
	'by-line' => { 59 => 0x50 },
	'by-linetitle' => { 59 => 0x55 },
	'calibrationilluminant1' => { 53 => 0xc65a },
	'calibrationilluminant2' => { 53 => 0xc65b },
	'cameracalibrationsig' => { 53 => 0xc6f3 },
	'cameraid' => { 140 => 0x209, 173 => 0x209 },
	'cameraiso' => { 8 => 0x10 },
	'cameraparameters' => { 140 => 0x2050 },
	'cameraprofile' => { 182 => 'CameraProfile' },
	'cameraprofiledigest' => { 182 => 'CameraProfileDigest' },
	'cameraserialnumber' => { 53 => 0xc62f, 179 => 'CameraSerialNumber' },
	'camerasettingsversion' => { 135 => 0x0 },
	'cameratemperature' => { 147 => 0x320, 162 => 0x47 },
	'cameratype' => { 27 => 0x1a, 140 => 0x207 },
	'cameratype2' => { 136 => 0x100 },
	'canonexposuremode' => { 8 => 0x14 },
	'canonfiledescription' => { 43 => 0x805 },
	'canonfilelength' => { 20 => 0xe },
	'canonfirmwareversion' => { 20 => 0x7, 43 => 0x80b },
	'canonflashinfo' => { 43 => 0x1028 },
	'canonflashmode' => { 8 => 0x4 },
	'canonimagesize' => { 2 => 0x39, 8 => 0xa },
	'canonimagetype' => { 20 => 0x6, 43 => 0x815 },
	'canonmodelid' => { 20 => 0x10, 43 => 0x1834 },
	'canonvrd' => { 54 => 'CanonVRD' },
	'caption-abstract' => { 59 => 0x78 },
	'captionwriter' => { 188 => 'CaptionWriter' },
	'casioimagesize' => { 50 => 0x9 },
	'catalogsets' => { 178 => 'CatalogSets' },
	'category' => { 59 => 0xf, 188 => 'Category' },
	'ccdboardversion' => { 147 => 0x331 },
	'ccdscanmode' => { 140 => 0x1039 },
	'ccdsensitivity' => { 121 => 0x6 },
	'ccdversion' => { 147 => 0x330 },
	'celllength' => { 53 => 0x109 },
	'cellwidth' => { 53 => 0x108 },
	'centerafarea' => { 120 => '763.1' },
	'centerweightedareasize' => { 118 => '797.1', 120 => '754.3' },
	'certificate' => { 196 => 'Certificate' },
	'cfapattern' => { 53 => 0xa302 },
	'cfapatterncolumns' => { 185 => 'CFAPatternColumns' },
	'cfapatternrows' => { 185 => 'CFAPatternRows' },
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	'jpgfromrawstart' => { 53 => [0x111,0x201] },
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	'lastkeywordxmp' => { 179 => 'LastKeywordXMP' },
	'lasturl' => { 194 => 'LastURL' },
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	'licenseeimagenotes' => { 189 => 'LicenseeImageNotes' },
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	'licenseetransactionid' => { 189 => 'LicenseeTransactionID' },
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	'licensetransactiondate' => { 189 => 'LicenseTransactionDate' },
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	'licensorcountry' => { 189 => 'LicensorLicensorCountry' },
	'licensoremail' => { 189 => 'LicensorLicensorEmail' },
	'licensorextendedaddress' => { 189 => 'LicensorLicensorExtendedAddress' },
	'licensorid' => { 189 => 'LicensorLicensorID' },
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	'licensorpostalcode' => { 189 => 'LicensorLicensorPostalCode' },
	'licensorregion' => { 189 => 'LicensorLicensorRegion' },
	'licensorstreetaddress' => { 189 => 'LicensorLicensorStreetAddress' },
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	'licensortelephone2' => { 189 => 'LicensorLicensorTelephone2' },
	'licensortelephonetype1' => { 189 => 'LicensorLicensorTelephoneType1' },
	'licensortelephonetype2' => { 189 => 'LicensorLicensorTelephoneType2' },
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	'licensorurl' => { 189 => 'LicensorLicensorURL' },
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	'luminanceadjustmentblue' => { 182 => 'LuminanceAdjustmentBlue' },
	'luminanceadjustmentgreen' => { 182 => 'LuminanceAdjustmentGreen' },
	'luminanceadjustmentmagenta' => { 182 => 'LuminanceAdjustmentMagenta' },
	'luminanceadjustmentorange' => { 182 => 'LuminanceAdjustmentOrange' },
	'luminanceadjustmentpurple' => { 182 => 'LuminanceAdjustmentPurple' },
	'luminanceadjustmentred' => { 182 => 'LuminanceAdjustmentRed' },
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	'nikoncaptureversion' => { 111 => 0xe09 },
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	'oecfnames' => { 185 => 'OECFNames' },
	'oecfrows' => { 185 => 'OECFRows' },
	'oecfvalues' => { 185 => 'OECFValues' },
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	'olympusimagewidth' => { 140 => 0x102e },
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	'originalrawfilename' => { 53 => 0xc68b },
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	'otherconstraints' => { 189 => 'OtherConstraints' },
	'otherimageinfo' => { 189 => 'OtherImageInfo' },
	'otherlicensedocuments' => { 189 => 'OtherLicenseDocuments' },
	'otherlicenseinfo' => { 189 => 'OtherLicenseInfo' },
	'otherlicenserequirements' => { 189 => 'OtherLicenseRequirements' },
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	'outputheight' => { 126 => 0xce },
	'outputheightinches' => { 126 => 0x96 },
	'outputpixels' => { 126 => 0xd6 },
	'outputresolution' => { 126 => 0xb6 },
	'outputwidth' => { 126 => 0xc6 },
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	'parametrichighlights' => { 182 => 'ParametricHighlights' },
	'parametrichighlightsplit' => { 182 => 'ParametricHighlightSplit' },
	'parametriclights' => { 182 => 'ParametricLights' },
	'parametricmidtonesplit' => { 182 => 'ParametricMidtoneSplit' },
	'parametricshadows' => { 182 => 'ParametricShadows' },
	'parametricshadowsplit' => { 182 => 'ParametricShadowSplit' },
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	'patientsbirthdate' => { 176 => 'PatientDOB' },
	'patientsname' => { 176 => 'PatientName' },
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	'pf29quickdialswitchoff' => { 38 => 0x1e },
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	'photoeffectstype' => { 131 => 0x0 },
	'photoinfoplayback' => { 118 => '807.6' },
	'photometricinterpretation' => { 53 => 0x106, 190 => 'PhotometricInterpretation' },
	'photoshopquality' => { 167 => 0x0 },
	'pictinfo' => { 173 => 0x208 },
	'picturecontroladjust' => { 113 => 0x30 },
	'picturecontrolbase' => { 113 => 0x18 },
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	'picturefinish' => { 91 => 0x71 },
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	'picturemodebwfilter' => { 135 => 0x525 },
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	'picturestyle' => { 1 => [0x4b,0x51], 2 => 0x6c, 3 => 0x86, 4 => 0x73, 6 => 0x6c, 25 => 0xa, 48 => 0x4 },
	'planarconfiguration' => { 53 => 0x11c, 190 => 'PlanarConfiguration' },
	'platenames' => { 197 => 'PlateNames' },
	'plusversion' => { 189 => 'Version' },
	'pngwarning' => { 146 => 'Warning' },
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	'precaptureframes' => { 140 => 0x300 },
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	'prefs' => { 59 => 0xdd, 166 => 'Prefs' },
	'preservedfilename' => { 194 => 'PreservedFileName' },
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	'previewdatetime' => { 53 => 0xc71b },
	'previewheight' => { 66 => 0xfa58 },
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	'rawshadowpoint' => { 48 => 0x26 },
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	'saturationadjustmentblue' => { 182 => 'SaturationAdjustmentBlue' },
	'saturationadjustmentgreen' => { 182 => 'SaturationAdjustmentGreen' },
	'saturationadjustmentmagenta' => { 182 => 'SaturationAdjustmentMagenta' },
	'saturationadjustmentorange' => { 182 => 'SaturationAdjustmentOrange' },
	'saturationadjustmentpurple' => { 182 => 'SaturationAdjustmentPurple' },
	'saturationadjustmentred' => { 182 => 'SaturationAdjustmentRed' },
	'saturationadjustmentyellow' => { 182 => 'SaturationAdjustmentYellow' },
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	'serialnumber' => { 20 => 0xc, 43 => 0x180b, 53 => 0xfde9, 63 => 0xfa04, 66 => 0xfa19, 74 => 0x0, 76 => 'SerialNumber', 111 => 0xa0, 136 => 0x101, 140 => [0x404,0x101a], 147 => 0x303, 174 => 0x2, 180 => 'SerialNumber' },
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	'seriesdescription' => { 176 => 'SeriesDescription' },
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	'seriesnumber' => { 176 => 'SeriesNumber' },
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	'setbuttonwhenshooting' => { 30 => 0x704 },
	'setfunctionwhenshooting' => { 31 => 0x0, 32 => 0x1, 35 => 0x1 },
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	'shadingcompensation2' => { 139 => 0x1012 },
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	'shadows' => { 53 => 0xfe52, 182 => 'Shadows' },
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	'sharpenedgemasking' => { 182 => 'SharpenEdgeMasking' },
	'sharpenradius' => { 182 => 'SharpenRadius' },
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	'sharpnessfrequency' => { 1 => [0x41,0x47], 25 => 0x3 },
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	'sharpnessmonochrome' => { 6 => 0xf6 },
	'sharpnessneutral' => { 6 => 0xf4 },
	'sharpnessportrait' => { 6 => 0xf2 },
	'sharpnesssetting' => { 135 => 0x506, 143 => 0x1013 },
	'sharpnessstandard' => { 6 => 0xf1 },
	'sharpnessuserdef1' => { 6 => 0xf7 },
	'sharpnessuserdef2' => { 6 => 0xf8 },
	'sharpnessuserdef3' => { 6 => 0xf9 },
	'shootinginfodisplay' => { 118 => '803.2' },
	'shootingmode' => { 76 => 'ShootingMode', 111 => 0x89, 149 => 0x1f },
	'shootingmodesetting' => { 119 => '734.1' },
	'shortdescription' => { 184 => 'shortdescription' },
	'shortdocumentid' => { 59 => 0xba },
	'shortfocal' => { 1 => 0xe, 2 => 0x11, 3 => 0x113, 4 => 0x11, 5 => 0xd8, 6 => 0x93, 8 => 0x18 },
	'shortownername' => { 6 => 0xac },
	'shortreleasetimelag' => { 30 => 0x80d },
	'shotdate' => { 193 => 'shotDate' },
	'shotlocation' => { 193 => 'shotLocation' },
	'shotname' => { 193 => 'shotName' },
	'shutter-aelock' => { 28 => 0x4, 31 => 0x3, 32 => 0x4, 33 => 0x3, 34 => 0x3, 35 => 0x4, 36 => 0x2 },
	'shutteraelbutton' => { 29 => 0x4 },
	'shutterbuttonafonbutton' => { 30 => 0x701 },
	'shuttercount' => { 3 => 0x176, 17 => 0x1, 117 => [0x6a,0x157,0x276], 118 => 0x279, 119 => 0x246, 120 => 0x24a, 162 => 0x5d },
	'shuttercurtainsync' => { 28 => 0xf, 29 => 0xf, 30 => 0x305, 31 => 0xe, 32 => 0xf, 33 => 0x8, 34 => 0x8, 35 => 0xf, 36 => 0x8 },
	'shuttermode' => { 65 => 0x1b },
	'shutterreleasebuttonae-l' => { 118 => '807.7' },
	'shutterreleasemethod' => { 43 => 0x1010 },
	'shutterreleasenocfcard' => { 28 => 0x2, 29 => 0x2, 36 => 0xf },
	'shutterreleasetiming' => { 43 => 0x1011 },
	'shutterspeedrange' => { 30 => 0x10c },
	'shutterspeedvalue' => { 53 => 0x9201, 140 => 0x1000, 185 => 'ShutterSpeedValue' },
	'sidecarforextension' => { 188 => 'SidecarForExtension' },
	'similarityindex' => { 59 => 0xe4 },
	'slaveflashmeteringsegments' => { 162 => 0x20b },
	'slowshutter' => { 27 => 0x8 },
	'slowsync' => { 57 => 0x1030 },
	'smoothness' => { 53 => 0xfe57 },
	'software' => { 53 => 0x131, 77 => 'Software', 146 => 'Software', 174 => 0x18, 190 => 'Software' },
	'softwareversion' => { 173 => 0x207 },
	'source' => { 59 => 0x73, 146 => 'Source', 183 => 'source', 184 => 'source', 188 => 'Source' },
	'sourceresolution' => { 126 => 0xae },
	'spatialfrequencyresponsecolumns' => { 185 => 'SpatialFrequencyResponseColumns' },
	'spatialfrequencyresponsenames' => { 185 => 'SpatialFrequencyResponseNames' },
	'spatialfrequencyresponserows' => { 185 => 'SpatialFrequencyResponseRows' },
	'spatialfrequencyresponsevalues' => { 185 => 'SpatialFrequencyResponseValues' },
	'speakerplacement' => { 193 => 'speakerPlacement' },
	'specialinstructions' => { 59 => 0x28 },
	'specialmode' => { 140 => 0x200, 173 => 0x200 },
	'spectralsensitivity' => { 53 => 0x8824, 185 => 'SpectralSensitivity' },
	'splittoningbalance' => { 182 => 'SplitToningBalance' },
	'splittoninghighlighthue' => { 182 => 'SplitToningHighlightHue' },
	'splittoninghighlightsaturation' => { 182 => 'SplitToningHighlightSaturation' },
	'splittoningshadowhue' => { 182 => 'SplitToningShadowHue' },
	'splittoningshadowsaturation' => { 182 => 'SplitToningShadowSaturation' },
	'spotfocuspointx' => { 90 => 0x2d },
	'spotfocuspointy' => { 90 => 0x2e },
	'spotmeteringmode' => { 8 => 0x27 },
	'spotmeterlinktoafpoint' => { 30 => 0x107 },
	'sractive' => { 155 => '17.1' },
	'srfocallength' => { 163 => 0x3 },
	'srhalfpresstime' => { 163 => 0x2 },
	'srresult' => { 163 => 0x0 },
	'starttimecodetimeformat' => { 193 => 'startTimecodeTimeFormat' },
	'starttimecodetimevalue' => { 193 => 'startTimecodeTimeValue' },
	'state' => { 81 => 'State', 188 => 'State' },
	'status' => { 178 => 'Status' },
	'storagemethod' => { 95 => 0x12 },
	'straightenangle' => { 129 => 0x2fc08431 },
	'stretchmode' => { 193 => 'stretchMode' },
	'studydatetime' => { 176 => 'StudyDateTime' },
	'studydescription' => { 176 => 'StudyDescription' },
	'studyid' => { 176 => 'StudyID' },
	'studyphysician' => { 176 => 'StudyPhysician' },
	'sub-location' => { 59 => 0x5c },
	'subfiledata' => { 84 => 'data' },
	'subfiledirectory' => { 84 => '1Directory' },
	'subfilemimetype' => { 84 => '2MIME' },
	'subfilename' => { 84 => '1Name' },
	'subfileresource' => { 84 => 'rsrc' },
	'subfiletype' => { 53 => 0xfe, 84 => '0Type' },
	'subject' => { 144 => 'Subject', 170 => 'Subject', 183 => 'subject', 187 => 'Subject' },
	'subjectarea' => { 185 => 'SubjectArea' },
	'subjectcode' => { 186 => 'SubjectCode' },
	'subjectdistance' => { 53 => 0x9206, 65 => 0x3e, 185 => 'SubjectDistance' },
	'subjectdistancerange' => { 53 => 0xa40c, 185 => 'SubjectDistanceRange' },
	'subjectlocation' => { 53 => [0x9214,0xa214], 185 => 'SubjectLocation' },
	'subjectprogram' => { 90 => 0x22 },
	'subjectreference' => { 59 => 0xc },
	'subsectime' => { 53 => 0x9290, 64 => 0x401 },
	'subsectimedigitized' => { 53 => 0x9292 },
	'subsectimeoriginal' => { 53 => 0x9291 },
	'superimposeddisplay' => { 28 => 0xa, 30 => 0x510, 31 => 0x9, 32 => 0xa, 35 => 0xa, 36 => 0xe },
	'supplementalcategories' => { 59 => 0x14, 188 => 'SupplementalCategories' },
	'supplementaltype' => { 61 => 0x37 },
	'svisosetting' => { 155 => 0x14 },
	'switchtoregisteredafpoint' => { 29 => 0x12, 30 => 0x50a },
	'tagged' => { 165 => 0xdd },
	'tapename' => { 193 => 'tapeName' },
	'targetaperture' => { 27 => 0x4 },
	'targetcompressionratio' => { 41 => 0x1 },
	'targetdistancesetting' => { 43 => 0x1807 },
	'targetexposuretime' => { 27 => 0x5 },
	'targetimagetype' => { 43 => 0x100a },
	'teleconverter' => { 94 => 0x105, 175 => 0x105 },
	'temperature' => { 182 => 'Temperature' },
	'tempo' => { 193 => 'tempo' },
	'termsandconditionstext' => { 189 => 'TermsAndConditionsText' },
	'termsandconditionsurl' => { 189 => 'TermsAndConditionsURL' },
	'thresholding' => { 53 => 0x107 },
	'thumbnailfilename' => { 43 => 0x817 },
	'thumbnailheight' => { 66 => 0xfa55 },
	'thumbnailimage' => { 43 => 0x2008, 51 => 'ThumbnailImage', 55 => 0x3, 87 => 'data', 140 => 0x100 },
	'thumbnailimagename' => { 87 => '1Name' },
	'thumbnailimagesize' => { 87 => 'ImageSize' },
	'thumbnailimagetype' => { 87 => '0Type' },
	'thumbnailimagevalidarea' => { 20 => 0x13 },
	'thumbnaillength' => { 53 => 0x202 },
	'thumbnailoffset' => { 53 => 0x201 },
	'thumbnailsformat' => { 191 => 'ThumbnailsFormat' },
	'thumbnailsheight' => { 191 => 'ThumbnailsHeight' },
	'thumbnailsimage' => { 191 => 'ThumbnailsImage' },
	'thumbnailswidth' => { 191 => 'ThumbnailsWidth' },
	'thumbnailwidth' => { 66 => 0xfa54 },
	'tilelength' => { 53 => 0x143 },
	'tilewidth' => { 53 => 0x142 },
	'time' => { 162 => 0x7 },
	'timecreated' => { 59 => 0x3c, 65 => 0x14, 72 => 0x10, 166 => 'TimeCreated' },
	'timerfunctionbutton' => { 119 => '734.2' },
	'timerlength' => { 30 => 0x80c },
	'timescaleparamsframeoverlappingpercentage' => { 193 => 'timeScaleParamsFrameOverlappingPercentage' },
	'timescaleparamsframesize' => { 193 => 'timeScaleParamsFrameSize' },
	'timescaleparamsquality' => { 193 => 'timeScaleParamsQuality' },
	'timesent' => { 60 => 0x50 },
	'timesignature' => { 193 => 'timeSignature' },
	'timesincepoweron' => { 149 => 0x29 },
	'timestamp' => { 3 => 0x45e, 6 => 0x11c, 146 => 'TimeStamp' },
	'timestamp1' => { 3 => 0x45a },
	'timezone' => { 123 => 0x0 },
	'timezonecode' => { 46 => 0x1 },
	'timezoneinfo' => { 46 => 0x2 },
	'timezoneoffset' => { 53 => 0x882a },
	'tint' => { 182 => 'Tint' },
	'title' => { 53 => 0xc6d2, 77 => 'Title', 144 => 'Title', 146 => 'Title', 170 => 'Title', 183 => 'title', 187 => 'Title' },
	'tonecomp' => { 111 => 0x81 },
	'tonecurve' => { 25 => 0x1, 162 => 0x402, 182 => 'ToneCurve' },
	'tonecurveactive' => { 47 => 0x110 },
	'tonecurvefilename' => { 64 => 0x1391 },
	'tonecurvename' => { 182 => 'ToneCurveName' },
	'tonecurveproperty' => { 47 => 0x3c },
	'tonecurves' => { 162 => 0x403 },
	'toningeffect' => { 17 => 0xf, 111 => 0xb3, 113 => 0x38 },
	'toningeffectmonochrome' => { 6 => 0x108 },
	'toningsaturation' => { 113 => 0x39 },
	'totalzoom' => { 65 => 0x62 },
	'tracknumber' => { 193 => 'trackNumber' },
	'trailersignature' => { 84 => 'zmie' },
	'transferfunction' => { 190 => 'TransferFunction' },
	'transmissionreference' => { 188 => 'TransmissionReference' },
	'travelday' => { 149 => 0x36 },
	'ttl_da_adown' => { 158 => 0x5 },
	'ttl_da_aup' => { 158 => 0x4 },
	'ttl_da_bdown' => { 158 => 0x7 },
	'ttl_da_bup' => { 158 => 0x6 },
	'tvexposuretimesetting' => { 155 => 0x12 },
	'tvvalue' => { 39 => 0x1 },
	'type' => { 183 => 'type' },
	'uniquecameramodel' => { 53 => 0xc614 },
	'uniquedocumentid' => { 59 => 0xbb },
	'uniqueobjectname' => { 60 => 0x64 },
	'unknownblock' => { 139 => 0x1103 },
	'unknowncompensation' => { 174 => 0xc },
	'unknownev' => { 64 => 0x1 },
	'unknownnumber' => { 43 => 0x180b },
	'unsharp1color' => { 133 => 0x13 },
	'unsharp1halowidth' => { 133 => 0x19 },
	'unsharp1intensity' => { 133 => 0x17 },
	'unsharp1threshold' => { 133 => 0x1b },
	'unsharp2color' => { 133 => 0x2e },
	'unsharp2halowidth' => { 133 => 0x34 },
	'unsharp2intensity' => { 133 => 0x32 },
	'unsharp2threshold' => { 133 => 0x36 },
	'unsharp3color' => { 133 => 0x49 },
	'unsharp3halowidth' => { 133 => 0x4f },
	'unsharp3intensity' => { 133 => 0x4d },
	'unsharp3threshold' => { 133 => 0x51 },
	'unsharp4color' => { 133 => 0x64 },
	'unsharp4halowidth' => { 133 => 0x6a },
	'unsharp4intensity' => { 133 => 0x68 },
	'unsharp4threshold' => { 133 => 0x6c },
	'unsharpcount' => { 133 => 0x0 },
	'unsharpmask' => { 129 => 0x76a43200 },
	'urgency' => { 59 => 0xa, 188 => 'Urgency' },
	'url' => { 77 => 'URL', 146 => 'URL', 168 => 0x40b },
	'usablemeteringmodes' => { 30 => 0x10a },
	'usableshootingmodes' => { 30 => 0x109 },
	'usageterms' => { 196 => 'UsageTerms' },
	'usercomment' => { 43 => 0x805, 53 => 0x9286, 185 => 'UserComment' },
	'userdef1picturestyle' => { 6 => 0x10c },
	'userdef2picturestyle' => { 6 => 0x10e },
	'userdef3picturestyle' => { 6 => 0x110 },
	'userfields' => { 178 => 'UserFields' },
	'userprofile' => { 147 => 0x302 },
	'usmlenselectronicmf' => { 29 => 0x7, 30 => 0x501 },
	'utmeasting' => { 88 => 'Easting' },
	'utmmapdatum' => { 88 => 'Datum' },
	'utmnorthing' => { 88 => 'Northing' },
	'utmzone' => { 88 => 'Zone' },
	'uv-irfiltercorrection' => { 147 => 0x325 },
	'validbits' => { 139 => 0x611, 140 => 0x102c },
	'validpixeldepth' => { 143 => 0x611 },
	'variousmodes' => { 65 => 0x26 },
	'variousmodes2' => { 65 => 0x3a },
	'variprogram' => { 111 => 0xab },
	'version' => { 57 => 0x0, 170 => 'Version', 182 => 'Version' },
	'versionid' => { 194 => 'VersionID' },
	'versionscomments' => { 194 => 'VersionsComments' },
	'versionseventaction' => { 194 => 'VersionsEventAction' },
	'versionseventinstanceid' => { 194 => 'VersionsEventInstanceID' },
	'versionseventparameters' => { 194 => 'VersionsEventParameters' },
	'versionseventsoftwareagent' => { 194 => 'VersionsEventSoftwareAgent' },
	'versionseventwhen' => { 194 => 'VersionsEventWhen' },
	'versionsmodifier' => { 194 => 'VersionsModifier' },
	'versionsmodifydate' => { 194 => 'VersionsModifyDate' },
	'versionsversion' => { 194 => 'VersionsVersion' },
	'vibrance' => { 182 => 'Vibrance' },
	'vibrationreduction' => { 117 => [0x75,0x82,0x1ae], 119 => '586.1', 120 => '590.2', 122 => 0x4 },
	'videoalphamode' => { 193 => 'videoAlphaMode' },
	'videoalphapremultiplecolora' => { 193 => 'videoAlphaPremultipleColorA' },
	'videoalphapremultiplecolorb' => { 193 => 'videoAlphaPremultipleColorB' },
	'videoalphapremultiplecolorblack' => { 193 => 'videoAlphaPremultipleColorBlack' },
	'videoalphapremultiplecolorblue' => { 193 => 'videoAlphaPremultipleColorBlue' },
	'videoalphapremultiplecolorcyan' => { 193 => 'videoAlphaPremultipleColorCyan' },
	'videoalphapremultiplecolorgreen' => { 193 => 'videoAlphaPremultipleColorGreen' },
	'videoalphapremultiplecolorl' => { 193 => 'videoAlphaPremultipleColorL' },
	'videoalphapremultiplecolormagenta' => { 193 => 'videoAlphaPremultipleColorMagenta' },
	'videoalphapremultiplecolormode' => { 193 => 'videoAlphaPremultipleColorMode' },
	'videoalphapremultiplecolorred' => { 193 => 'videoAlphaPremultipleColorRed' },
	'videoalphapremultiplecolorswatchname' => { 193 => 'videoAlphaPremultipleColorSwatchName' },
	'videoalphapremultiplecolortype' => { 193 => 'videoAlphaPremultipleColorType' },
	'videoalphapremultiplecoloryellow' => { 193 => 'videoAlphaPremultipleColorYellow' },
	'videoalphaunityistransparent' => { 193 => 'videoAlphaUnityIsTransparent' },
	'videocolorspace' => { 193 => 'videoColorSpace' },
	'videocompressor' => { 193 => 'videoCompressor' },
	'videofieldorder' => { 193 => 'videoFieldOrder' },
	'videoframerate' => { 193 => 'videoFrameRate' },
	'videoframesizeh' => { 193 => 'videoFrameSizeH' },
	'videoframesizeunit' => { 193 => 'videoFrameSizeUnit' },
	'videoframesizew' => { 193 => 'videoFrameSizeW' },
	'videomoddate' => { 193 => 'videoModDate' },
	'videopixelaspectratio' => { 193 => 'videoPixelAspectRatio' },
	'videopixeldepth' => { 193 => 'videoPixelDepth' },
	'viewfinderwarning' => { 118 => '803.4', 120 => '754.2' },
	'viewinfoduringexposure' => { 30 => 0x407 },
	'vignetteamount' => { 182 => 'VignetteAmount' },
	'vignettecontrol' => { 111 => 0x2a, 129 => 0x76a43205 },
	'vignettecontrolintensity' => { 129 => 0xac6bd5c0 },
	'vignettemidpoint' => { 182 => 'VignetteMidpoint' },
	'voicememo' => { 173 => 0x216 },
	'vr_0x66' => { 117 => 0x66 },
	'vrdoffset' => { 20 => 0xd0 },
	'wb_glevel' => { 139 => 0x11f },
	'wb_glevel3000k' => { 139 => 0x113 },
	'wb_glevel3300k' => { 139 => 0x114 },
	'wb_glevel3600k' => { 139 => 0x115 },
	'wb_glevel3900k' => { 139 => 0x116 },
	'wb_glevel4000k' => { 139 => 0x117 },
	'wb_glevel4300k' => { 139 => 0x118 },
	'wb_glevel4500k' => { 139 => 0x119 },
	'wb_glevel4800k' => { 139 => 0x11a },
	'wb_glevel5300k' => { 139 => 0x11b },
	'wb_glevel6000k' => { 139 => 0x11c },
	'wb_glevel6600k' => { 139 => 0x11d },
	'wb_glevel7500k' => { 139 => 0x11e },
	'wb_grbglevels' => { 103 => 0x0 },
	'wb_rbgglevels' => { 100 => 0x0 },
	'wb_rblevels' => { 139 => 0x100 },
	'wb_rblevels3000k' => { 139 => 0x102 },
	'wb_rblevels3300k' => { 139 => 0x103 },
	'wb_rblevels3600k' => { 139 => 0x104 },
	'wb_rblevels3900k' => { 139 => 0x105 },
	'wb_rblevels4000k' => { 139 => 0x106 },
	'wb_rblevels4300k' => { 139 => 0x107 },
	'wb_rblevels4500k' => { 139 => 0x108 },
	'wb_rblevels4800k' => { 139 => 0x109 },
	'wb_rblevels5300k' => { 139 => 0x10a },
	'wb_rblevels6000k' => { 139 => 0x10b },
	'wb_rblevels6600k' => { 139 => 0x10c },
	'wb_rblevels7500k' => { 139 => 0x10d },
	'wb_rblevelsauto' => { 143 => 0x110 },
	'wb_rblevelscloudy' => { 143 => 0x121 },
	'wb_rblevelscoolwhitefluor' => { 143 => 0x132 },
	'wb_rblevelscwb1' => { 139 => 0x10e },
	'wb_rblevelscwb2' => { 139 => 0x10f },
	'wb_rblevelscwb3' => { 139 => 0x110 },
	'wb_rblevelscwb4' => { 139 => 0x111 },
	'wb_rblevelsdaylightfluor' => { 143 => 0x130 },
	'wb_rblevelsdaywhitefluor' => { 143 => 0x131 },
	'wb_rblevelseveningsunlight' => { 143 => 0x124 },
	'wb_rblevelsfineweather' => { 143 => 0x122 },
	'wb_rblevelsshade' => { 143 => 0x120 },
	'wb_rblevelstungsten' => { 143 => 0x123 },
	'wb_rblevelsused' => { 143 => 0x100 },
	'wb_rblevelswhitefluorescent' => { 143 => 0x133 },
	'wb_rgbglevels' => { 102 => 0x0 },
	'wb_rgblevels' => { 148 => 0xd },
	'wb_rggblevels' => { 101 => 0x0 },
	'wb_rggblevelsasshot' => { 10 => 0x19, 11 => 0x18, 12 => 0x3f, 13 => 0x3f },
	'wb_rggblevelsauto' => { 9 => 0x0, 10 => 0x1e, 11 => 0x22, 12 => 0x44, 13 => 0x44 },
	'wb_rggblevelscloudy' => { 9 => 0xc, 10 => 0x2d, 11 => 0x31, 12 => 0x58, 13 => 0x5d, 162 => 0x20f },
	'wb_rggblevelscustom' => { 9 => 0x1c, 12 => 0x80 },
	'wb_rggblevelscustom1' => { 10 => 0x41 },
	'wb_rggblevelscustom2' => { 10 => 0x46 },
	'wb_rggblevelsdaylight' => { 9 => 0x4, 10 => 0x23, 11 => 0x27, 12 => 0x4e, 13 => 0x53, 162 => 0x20d },
	'wb_rggblevelsflash' => { 9 => 0x18, 10 => 0x3c, 11 => 0x45, 12 => 0x6c, 13 => 0x71, 162 => 0x214 },
	'wb_rggblevelsfluorescent' => { 9 => 0x14, 10 => 0x37, 11 => 0x3b, 12 => 0x62, 13 => 0x67 },
	'wb_rggblevelsfluorescentd' => { 162 => 0x211 },
	'wb_rggblevelsfluorescentn' => { 162 => 0x212 },
	'wb_rggblevelsfluorescentw' => { 162 => 0x213 },
	'wb_rggblevelskelvin' => { 9 => 0x20, 11 => 0x40, 12 => 0x67, 13 => 0x6c },
	'wb_rggblevelsmeasured' => { 12 => 0x49, 13 => 0x49 },
	'wb_rggblevelspc1' => { 11 => 0x90, 12 => 0x71 },
	'wb_rggblevelspc2' => { 11 => 0x95, 12 => 0x76 },
	'wb_rggblevelspc3' => { 11 => 0x9a, 12 => 0x7b },
	'wb_rggblevelsshade' => { 9 => 0x8, 10 => 0x28, 11 => 0x2c, 12 => 0x53, 13 => 0x58, 162 => 0x20e },
	'wb_rggblevelstungsten' => { 9 => 0x10, 10 => 0x32, 11 => 0x36, 12 => 0x5d, 13 => 0x62, 162 => 0x210 },
	'wb_rggblevelsunknown' => { 11 => 0x1d },
	'wb_rggblevelsunknown10' => { 11 => 0x72, 13 => 0x9e },
	'wb_rggblevelsunknown11' => { 11 => 0x77, 13 => 0xa3 },
	'wb_rggblevelsunknown12' => { 11 => 0x7c },
	'wb_rggblevelsunknown13' => { 11 => 0x81 },
	'wb_rggblevelsunknown14' => { 11 => 0x86 },
	'wb_rggblevelsunknown15' => { 11 => 0x8b },
	'wb_rggblevelsunknown16' => { 11 => 0x9f },
	'wb_rggblevelsunknown2' => { 11 => 0x4a, 13 => 0x76 },
	'wb_rggblevelsunknown3' => { 11 => 0x4f, 13 => 0x7b },
	'wb_rggblevelsunknown4' => { 11 => 0x54, 13 => 0x80 },
	'wb_rggblevelsunknown5' => { 11 => 0x59, 13 => 0x85 },
	'wb_rggblevelsunknown6' => { 11 => 0x5e, 13 => 0x8a },
	'wb_rggblevelsunknown7' => { 11 => 0x63, 13 => 0x8f },
	'wb_rggblevelsunknown8' => { 11 => 0x68, 13 => 0x94 },
	'wb_rggblevelsunknown9' => { 11 => 0x6d, 13 => 0x99 },
	'wbadjbluebalance' => { 134 => 0x8 },
	'wbadjcolortemp' => { 47 => 0x1a },
	'wbadjlighting' => { 134 => 0x15 },
	'wbadjmode' => { 134 => 0x10 },
	'wbadjredbalance' => { 134 => 0x0 },
	'wbadjrgblevels' => { 47 => 0x8 },
	'wbadjtemperature' => { 134 => 0x18 },
	'wbadjustab' => { 149 => 0x46 },
	'wbadjustgm' => { 149 => 0x47 },
	'wbbluelevel' => { 147 => 0x324, 149 => 0x8006, 150 => 0x26 },
	'wbbracketmode' => { 17 => 0x9 },
	'wbbracketvalueab' => { 17 => 0xc },
	'wbbracketvaluegm' => { 17 => 0xd },
	'wbfinetuneactive' => { 47 => 0x24 },
	'wbfinetunesaturation' => { 47 => 0x28 },
	'wbfinetunetone' => { 47 => 0x2c },
	'wbgreenlevel' => { 147 => 0x323, 149 => 0x8005, 150 => 0x25 },
	'wblevels' => { 97 => 0x4 },
	'wbmediaimagesizesetting' => { 30 => 0x708 },
	'wbmode' => { 96 => 0x4, 140 => 0x1015 },
	'wbredlevel' => { 147 => 0x322, 149 => 0x8004, 150 => 0x24 },
	'wbscale' => { 97 => 0x0 },
	'wbshiftab' => { 25 => 0xc, 156 => 0x10 },
	'wbshiftgm' => { 25 => 0xd },
	'wbshiftmg' => { 156 => 0x11 },
	'webstatement' => { 196 => 'WebStatement' },
	'whitebalance' => { 1 => [0x44,0x4a], 2 => 0x36, 3 => 0x5e, 4 => 0x36, 5 => 0x6f, 6 => 0x54, 25 => 0x8, 27 => 0x7, 49 => 0x7, 50 => [0x19,0x2012], 53 => [0xa403,0xfe4e], 57 => 0x1002, 65 => 0x40, 90 => 0x3, 91 => 0xe, 92 => 0x4, 93 => 0xb, 111 => 0x5, 121 => 0x7, 147 => 0x304, 149 => 0x3, 162 => 0x19, 164 => 0x7, 171 => 0x26, 174 => [0x3c,0x7], 182 => 'WhiteBalance', 185 => 'WhiteBalance' },
	'whitebalance2' => { 135 => 0x500 },
	'whitebalanceadj' => { 47 => 0x18, 129 => 0x76a43204 },
	'whitebalancebias' => { 50 => 0x2011, 140 => 0x304, 149 => 0x23 },
	'whitebalanceblue' => { 25 => 0x7 },
	'whitebalancebracket' => { 135 => 0x502, 140 => 0x303 },
	'whitebalancecomp' => { 143 => 0x1001 },
	'whitebalancefinetune' => { 57 => 0x100a, 111 => 0xb },
	'whitebalancemode' => { 162 => 0x1a },
	'whitebalancered' => { 25 => 0x6 },
	'whitebalanceset' => { 155 => 0xa },
	'whitebalancetemperature' => { 135 => 0x501 },
	'whiteboard' => { 140 => 0x301 },
	'whitepoint' => { 53 => 0x13e, 162 => 0x201, 190 => 'WhitePoint' },
	'widefocuszone' => { 90 => 0x2f },
	'widerange' => { 173 => 0x20f },
	'workcolorspace' => { 47 => 0x270 },
	'worldtimelocation' => { 149 => 0x3a, 162 => 0x22 },
	'writer-editor' => { 59 => 0x7a },
	'x3filllight' => { 174 => 0x12 },
	'xmp' => { 54 => 'XMP' },
	'xpauthor' => { 53 => 0x9c9d },
	'xpcomment' => { 53 => 0x9c9c },
	'xpkeywords' => { 53 => 0x9c9e },
	'xposition' => { 53 => 0x11e },
	'xpsubject' => { 53 => 0x9c9f },
	'xptitle' => { 53 => 0x9c9b },
	'xresolution' => { 53 => 0x11a, 62 => 0x3, 169 => 0x0, 190 => 'XResolution' },
	'xyresolution' => { 56 => 0x3 },
	'ycbcrcoefficients' => { 53 => 0x211, 190 => 'YCbCrCoefficients' },
	'ycbcrpositioning' => { 53 => 0x213, 190 => 'YCbCrPositioning' },
	'ycbcrsubsampling' => { 53 => 0x212, 190 => 'YCbCrSubSampling' },
	'yearcreated' => { 65 => 0x10, 72 => 0xc },
	'yposition' => { 53 => 0x11f },
	'yresolution' => { 53 => 0x11b, 62 => 0x5, 169 => 0x4, 190 => 'YResolution' },
	'zonematching' => { 94 => 0x10a, 96 => 0x3a, 175 => 0xb024 },
	'zonematchingon' => { 92 => 0x75 },
	'zoomsourcewidth' => { 8 => 0x24 },
	'zoomstepcount' => { 138 => 0x300, 140 => 0x100d },
	'zoomtargetwidth' => { 8 => 0x25 },
);

# lookup for non-writable tags to check if the name exists
my %tagExists = (
	'_stream' => 1,
	'abstract' => 1,
	'actualcompensation' => 1,
	'adobe' => 1,
	'adobe_cm' => 1,
	'adobecmtype' => 1,
	'adobecrw' => 1,
	'adobemrw' => 1,
	'adobephotoshop' => 1,
	'adoberaf' => 1,
	'adobesr2' => 1,
	'advancedcontentencryption' => 1,
	'advancedmutualexcl' => 1,
	'aeinfo' => 1,
	'afarea' => 1,
	'afareaheight' => 1,
	'afareaheights' => 1,
	'afareawidth' => 1,
	'afareawidths' => 1,
	'afareaxpositions' => 1,
	'afareaypositions' => 1,
	'afcp' => 1,
	'afcp_iptc' => 1,
	'afimageheight' => 1,
	'afimagewidth' => 1,
	'afinfo' => 1,
	'afinfo2' => 1,
	'afinfo2version' => 1,
	'afinfocus' => 1,
	'afinfosize' => 1,
	'afpointsinfocus1d' => 1,
	'afpointsselected' => 1,
	'albumartist' => 1,
	'albumcoverurl' => 1,
	'albumname' => 1,
	'albumsortorder' => 1,
	'albumtitle' => 1,
	'aliaslayermetadata' => 1,
	'alphabitdepth' => 1,
	'alphabytecount' => 1,
	'alphachannelsnames' => 1,
	'alphacompression' => 1,
	'alphadatadiscard' => 1,
	'alphafilter' => 1,
	'alphaidentifiers' => 1,
	'alphainterlace' => 1,
	'alphaoffset' => 1,
	'alphasample' => 1,
	'analogbalance' => 1,
	'annotation' => 1,
	'annotations' => 1,
	'aperture' => 1,
	'aperturedisplayed' => 1,
	'apeversion' => 1,
	'app14flags0' => 1,
	'app14flags1' => 1,
	'app1_profile' => 1,
	'applestoreid' => 1,
	'appversion' => 1,
	'archivallocation' => 1,
	'artistlen' => 1,
	'artisturl' => 1,
	'asfleakybucketpairs' => 1,
	'asfpacketcount' => 1,
	'asfsecurityobjectssize' => 1,
	'aspectratio' => 1,
	'aspectratiox' => 1,
	'aspectratioy' => 1,
	'asshotneutral' => 1,
	'association' => 1,
	'atob0' => 1,
	'atob1' => 1,
	'atob2' => 1,
	'audiences' => 1,
	'audiobitrate' => 1,
	'audiobitspersample' => 1,
	'audiobytes' => 1,
	'audiochannels' => 1,
	'audiocodecdescription' => 1,
	'audiocodecid' => 1,
	'audiocodecname' => 1,
	'audiodelay' => 1,
	'audioencoding' => 1,
	'audiofilesize' => 1,
	'audiofileurl' => 1,
	'audioformat' => 1,
	'audioframesize' => 1,
	'audiogain' => 1,
	'audioheader' => 1,
	'audioinfo' => 1,
	'audiolayer' => 1,
	'audiomode' => 1,
	'audiosamplebits' => 1,
	'audiosampledesc' => 1,
	'audiosamplesize' => 1,
	'audiosize' => 1,
	'audiosourceurl' => 1,
	'audiostream' => 1,
	'audiovendorid' => 1,
	'authorlen' => 1,
	'authorship' => 1,
	'authorurl' => 1,
	'aux' => 1,
	'averagelevel' => 1,
	'avgbitrate' => 1,
	'avgbytespersec' => 1,
	'avgpacketsize' => 1,
	'avgpdusize' => 1,
	'avif' => 1,
	'aviheader' => 1,
	'background' => 1,
	'backgroundcolor' => 1,
	'backgroundcolorindicator' => 1,
	'backgroundcolorvalue' => 1,
	'backgroundimageid' => 1,
	'backgroundtiling' => 1,
	'backlight' => 1,
	'backserial' => 1,
	'badfaxlines' => 1,
	'balance' => 1,
	'band' => 1,
	'bandwidthsharing' => 1,
	'bannerimage' => 1,
	'bannerimagedata' => 1,
	'bannerimagetype' => 1,
	'bannerimageurl' => 1,
	'basisobject' => 1,
	'bass' => 1,
	'batteryinfo' => 1,
	'batterylevel' => 1,
	'beatsperminute' => 1,
	'binaryfilter' => 1,
	'bitrate' => 1,
	'bitratemutualexclusion' => 1,
	'bitsperextendedrunlength' => 1,
	'bitsperrunlength' => 1,
	'blackleveldeltah' => 1,
	'blackleveldeltav' => 1,
	'blacklevelrepeatdim' => 1,
	'blackmaskbottomborder' => 1,
	'blackmaskleftborder' => 1,
	'blackmaskrightborder' => 1,
	'blackmasktopborder' => 1,
	'blocklocation' => 1,
	'blocksize' => 1,
	'blocksizemax' => 1,
	'blocksizemin' => 1,
	'blocksperframe' => 1,
	'blueadjust' => 1,
	'bluegain' => 1,
	'bluematrixcolumn' => 1,
	'blueprimary' => 1,
	'bluesample' => 1,
	'bluetrc' => 1,
	'bluex' => 1,
	'bluey' => 1,
	'bordercolor' => 1,
	'borderid' => 1,
	'borderinformation' => 1,
	'borderlocation' => 1,
	'bordername' => 1,
	'bordersversion' => 1,
	'bordertype' => 1,
	'bottommag' => 1,
	'boundaryorigin' => 1,
	'boundingbox' => 1,
	'bracketshot' => 1,
	'brightnessdata' => 1,
	'broadcast' => 1,
	'btoa0' => 1,
	'btoa1' => 1,
	'btoa2' => 1,
	'bufferaverage' => 1,
	'burstshot' => 1,
	'bw_halftoninginfo' => 1,
	'bw_transferfunc' => 1,
	'bytes' => 1,
	'bytesperminute' => 1,
	'cachecontrol' => 1,
	'cachedimageheight' => 1,
	'cachedimagewidth' => 1,
	'calibrationdatetime' => 1,
	'camera' => 1,
	'camerabacktype' => 1,
	'camerabody' => 1,
	'cameracalibration1' => 1,
	'cameracalibration2' => 1,
	'cameradatetime' => 1,
	'camerainfo' => 1,
	'cameramodel' => 1,
	'cameraname' => 1,
	'cameraobjbacktype' => 1,
	'cameraobject' => 1,
	'cameraobjname' => 1,
	'cameraobjtype' => 1,
	'cameraobjversion' => 1,
	'cameraowner' => 1,
	'cameraprofileversion' => 1,
	'camerasettings' => 1,
	'camerasettings2' => 1,
	'camerasetup' => 1,
	'cameraspecification' => 1,
	'can_skip_backward' => 1,
	'can_skip_forward' => 1,
	'canon' => 1,
	'canon_afinfo2_0x000d' => 1,
	'canon_afinfo_0x000b' => 1,
	'canonafinfo' => 1,
	'canonafinfo2' => 1,
	'canoncamerainfo1d' => 1,
	'canoncamerainfo1dmkii' => 1,
	'canoncamerainfo1dmkiii' => 1,
	'canoncamerainfo1dmkiin' => 1,
	'canoncamerainfo40d' => 1,
	'canoncamerainfo5d' => 1,
	'canoncamerainfopowershot' => 1,
	'canoncamerainfounknown' => 1,
	'canoncamerainfounknown16' => 1,
	'canoncamerainfounknown32' => 1,
	'canoncamerasettings' => 1,
	'canoncolorinfo1' => 1,
	'canoncolorinfo2' => 1,
	'canonfileinfo' => 1,
	'canonflags' => 1,
	'canonfocallength' => 1,
	'canonimageheight' => 1,
	'canonimagewidth' => 1,
	'canonpanorama' => 1,
	'canonrawmakemodel' => 1,
	'canonshotinfo' => 1,
	'canseektoend' => 1,
	'captiontext' => 1,
	'captprofbacktype' => 1,
	'captprofname' => 1,
	'captproftype' => 1,
	'captprofversion' => 1,
	'captureconditionspar' => 1,
	'capturedevicefid' => 1,
	'captureobjbacktype' => 1,
	'captureobjname' => 1,
	'captureobjtype' => 1,
	'captureobjversion' => 1,
	'captureprofile' => 1,
	'captureresolution' => 1,
	'captureserial' => 1,
	'capturesetup' => 1,
	'capturexresolution' => 1,
	'capturexresolutionunit' => 1,
	'captureyresolution' => 1,
	'captureyresolutionunit' => 1,
	'casio' => 1,
	'casiodata' => 1,
	'casiojunk' => 1,
	'casioqvmi' => 1,
	'cc' => 1,
	'ccdrect' => 1,
	'ccdvalidrect' => 1,
	'ccdvideorect' => 1,
	'centerdarkrect' => 1,
	'cfalayout' => 1,
	'cfapattern2' => 1,
	'cfaplanecolor' => 1,
	'cfarepeatpatterndim' => 1,
	'channelmode' => 1,
	'charcount' => 1,
	'charcountwithspaces' => 1,
	'charset' => 1,
	'chartarget' => 1,
	'chromaticadaptation' => 1,
	'chromaticity' => 1,
	'chromaticitychannel1' => 1,
	'chromaticitychannel2' => 1,
	'chromaticitychannel3' => 1,
	'chromaticitychannel4' => 1,
	'chromaticitychannels' => 1,
	'chromaticitycolorant' => 1,
	'ciff' => 1,
	'circleofconfusion' => 1,
	'class' => 1,
	'classification' => 1,
	'cleanfaxdata' => 1,
	'clipboundary' => 1,
	'clipobjects' => 1,
	'clippath' => 1,
	'clippingboundary' => 1,
	'clippingpathname' => 1,
	'cloneid' => 1,
	'cloneobject' => 1,
	'clonetype' => 1,
	'cmmflags' => 1,
	'cmykequivalent' => 1,
	'codecflavorid' => 1,
	'codeclist' => 1,
	'codedframesize' => 1,
	'codepage' => 1,
	'codestreamheader' => 1,
	'codestreamregistration' => 1,
	'codingmethods' => 1,
	'color' => 1,
	'colorant1coordinates' => 1,
	'colorant1name' => 1,
	'colorant2coordinates' => 1,
	'colorant2name' => 1,
	'colorant3coordinates' => 1,
	'colorant3name' => 1,
	'colorantcount' => 1,
	'colorantorder' => 1,
	'coloranttable' => 1,
	'coloraverages' => 1,
	'colorbalance0100' => 1,
	'colorbalance0102' => 1,
	'colorbalance0103' => 1,
	'colorbalance02' => 1,
	'colorbalance0205' => 1,
	'colorbalance0209' => 1,
	'colorbalance2' => 1,
	'colorbalance3' => 1,
	'colorbalance4' => 1,
	'colorbalanceunknown' => 1,
	'colorbitdepth' => 1,
	'colorboostdata' => 1,
	'colorbw' => 1,
	'colorcalibrationmatrix' => 1,
	'colorcasts' => 1,
	'colorcharacterization' => 1,
	'colorcomponents' => 1,
	'colorgroup' => 1,
	'colorhalftoninginfo' => 1,
	'colorinfo' => 1,
	'colormap' => 1,
	'colormatrix1' => 1,
	'colorobjbacktype' => 1,
	'colorobjname' => 1,
	'colorobjtype' => 1,
	'colorobjversion' => 1,
	'colorpalette' => 1,
	'colorresponseunit' => 1,
	'colors' => 1,
	'colorsamplersresource' => 1,
	'colorsetup' => 1,
	'colorspacedata' => 1,
	'colorspecification' => 1,
	'colortable' => 1,
	'colortransferfuncs' => 1,
	'colortransform' => 1,
	'colortwistmatrix' => 1,
	'colortype' => 1,
	'commentlen' => 1,
	'comments' => 1,
	'commenttime' => 1,
	'commercialurl' => 1,
	'commissioned' => 1,
	'common' => 1,
	'company' => 1,
	'compatibility' => 1,
	'compilation' => 1,
	'compobj' => 1,
	'compobjusertype' => 1,
	'compobjusertypelen' => 1,
	'componentbitdepth' => 1,
	'componentdefinition' => 1,
	'componentmapping' => 1,
	'compositinglayerheader' => 1,
	'composition' => 1,
	'compositionmode' => 1,
	'compositionoptions' => 1,
	'compressed' => 1,
	'compresseddatalength' => 1,
	'compresseddataoffset' => 1,
	'compressedtext' => 1,
	'compressionlevel' => 1,
	'compressiontype' => 1,
	'compressorid' => 1,
	'compressorname' => 1,
	'concreteflag' => 1,
	'condition' => 1,
	'conditionalfec' => 1,
	'conductor' => 1,
	'confirmedobjectsize' => 1,
	'connectionspaceilluminant' => 1,
	'consecutivebadfaxlines' => 1,
	'cont' => 1,
	'containerformat' => 1,
	'contake' => 1,
	'contentbranding' => 1,
	'contentdescription' => 1,
	'contentdescriptionnotes' => 1,
	'contentdisposition' => 1,
	'contentdistributor' => 1,
	'contentencryption' => 1,
	'contentgroupdescription' => 1,
	'contentlanguage' => 1,
	'contentrating' => 1,
	'contentscripttype' => 1,
	'contentstyletype' => 1,
	'contenttype' => 1,
	'contiguouscodestream' => 1,
	'contrastadjustment' => 1,
	'contrastcurve' => 1,
	'copyrightlen' => 1,
	'copyrighturl' => 1,
	'coverart' => 1,
	'coverartmimetype' => 1,
	'cpuversions' => 1,
	'crdinfo' => 1,
	'creatingapplication' => 1,
	'creatingtransform' => 1,
	'creationpathvector' => 1,
	'cropdata' => 1,
	'cropped' => 1,
	'cross-reference' => 1,
	'crs' => 1,
	'cuepoint' => 1,
	'currentbitrate' => 1,
	'currenttime' => 1,
	'currentuser' => 1,
	'customfunctions10d' => 1,
	'customfunctions1d' => 1,
	'customfunctions2' => 1,
	'customfunctions20d' => 1,
	'customfunctions30d' => 1,
	'customfunctions350d' => 1,
	'customfunctions400d' => 1,
	'customfunctions5d' => 1,
	'customfunctionsd30' => 1,
	'customfunctionsd60' => 1,
	'customfunctionsunknown' => 1,
	'd-lightinghqdata' => 1,
	'd-lightinghsdata' => 1,
	'darkcorrectiontype' => 1,
	'data' => 1,
	'datacreatedate' => 1,
	'datadump' => 1,
	'datadump2' => 1,
	'datainfo' => 1,
	'datakey' => 1,
	'datalen' => 1,
	'datalocation' => 1,
	'datamodifydate' => 1,
	'dataobject' => 1,
	'dataobjectid' => 1,
	'dataobjectstatus' => 1,
	'dataobjecttitle' => 1,
	'dataoffset' => 1,
	'dataoffsets' => 1,
	'datapackets' => 1,
	'dataref' => 1,
	'datareference' => 1,
	'datasize' => 1,
	'datatype' => 1,
	'datetime1' => 1,
	'datetime2' => 1,
	'datetimecreated' => 1,
	'dc' => 1,
	'dctencodeversion' => 1,
	'dealeridnumber' => 1,
	'decimationmethod' => 1,
	'decimationprefilterwidth' => 1,
	'decode' => 1,
	'decodertable' => 1,
	'decodertablenumber' => 1,
	'defaultdisplayheight' => 1,
	'defaultdisplaywidth' => 1,
	'defaultimagecolor' => 1,
	'defaultrgb' => 1,
	'defaultstyle' => 1,
	'defineobject' => 1,
	'delay' => 1,
	'deltapngheader' => 1,
	'deltatype' => 1,
	'deltaxy' => 1,
	'depth' => 1,
	'desiredreproductions' => 1,
	'destinationid' => 1,
	'deviceattributes' => 1,
	'devicemanufacturer' => 1,
	'devicemfgdesc' => 1,
	'devicemodel' => 1,
	'devicemodeldesc' => 1,
	'devicesettingdescription' => 1,
	'devicesettings' => 1,
	'dex' => 1,
	'dicom' => 1,
	'dictionary' => 1,
	'digitaleffectsname' => 1,
	'digitaleffectstype' => 1,
	'digitaleffectsversion' => 1,
	'digitalimagebroker' => 1,
	'digitalsignature' => 1,
	'dimensions' => 1,
	'director' => 1,
	'discardobjects' => 1,
	'disknumber' => 1,
	'displayinfo' => 1,
	'displayresolution' => 1,
	'displaysize' => 1,
	'displayunits' => 1,
	'displayxresolution' => 1,
	'displayxresolutionunit' => 1,
	'displayyresolution' => 1,
	'displayyresolutionunit' => 1,
	'dispose' => 1,
	'distribution' => 1,
	'dngadobedata' => 1,
	'dngpentaxdata' => 1,
	'dngprivatedata' => 1,
	'docclass' => 1,
	'docrights' => 1,
	'doctype' => 1,
	'documentinfo' => 1,
	'dof' => 1,
	'donotshow' => 1,
	'dotsperinch' => 1,
	'drm' => 1,
	'drm_contentid' => 1,
	'drm_drmheader' => 1,
	'drm_drmheader_contentdistributor' => 1,
	'drm_drmheader_contentid' => 1,
	'drm_drmheader_individualizedversion' => 1,
	'drm_drmheader_keyid' => 1,
	'drm_drmheader_licenseacqurl' => 1,
	'drm_drmheader_subscriptioncontentid' => 1,
	'drm_individualizedversion' => 1,
	'drm_keyid' => 1,
	'drm_lasignaturecert' => 1,
	'drm_lasignaturelicsrvcert' => 1,
	'drm_lasignatureprivkey' => 1,
	'drm_lasignaturerootcert' => 1,
	'drm_licenseacqurl' => 1,
	'drm_v1licenseacqurl' => 1,
	'dropbykeyword' => 1,
	'dropchunks' => 1,
	'ducky' => 1,
	'duotonehalftoninginfo' => 1,
	'duotoneimageinfo' => 1,
	'duotonetransferfuncs' => 1,
	'dustremovaldata' => 1,
	'dvdid' => 1,
	'edit1' => 1,
	'edit2' => 1,
	'edit3' => 1,
	'edit4' => 1,
	'edit5' => 1,
	'edit6' => 1,
	'edit7' => 1,
	'edit8' => 1,
	'edit9' => 1,
	'edittagarray' => 1,
	'effectivebw' => 1,
	'effectsvisible' => 1,
	'emphasis' => 1,
	'encodedby' => 1,
	'encodedusing' => 1,
	'encoder' => 1,
	'encodersettings' => 1,
	'encoderversion' => 1,
	'encoding' => 1,
	'encodingprocess' => 1,
	'encodingsettings' => 1,
	'encodingtime' => 1,
	'encryption' => 1,
	'endpoints' => 1,
	'episodeglobaluniqueid' => 1,
	'eppim' => 1,
	'epsoptions' => 1,
	'equipment' => 1,
	'equipment2' => 1,
	'error' => 1,
	'errorcorrection' => 1,
	'errorcorrectiontype' => 1,
	'evalstate' => 1,
	'events' => 1,
	'evstepinfo' => 1,
	'exif' => 1,
	'exif_profile' => 1,
	'exifinfo' => 1,
	'exifinformation' => 1,
	'exifoffset' => 1,
	'exiftoolversion' => 1,
	'expires' => 1,
	'exportimage' => 1,
	'exposureadjust' => 1,
	'exposurebias' => 1,
	'exposureinfo' => 1,
	'exposureunknown' => 1,
	'extcache' => 1,
	'extendedcontentdescr' => 1,
	'extendedcontentencryption' => 1,
	'extendedstreamprops' => 1,
	'extenderstatus' => 1,
	'extensionclassid' => 1,
	'extensioncreatedate' => 1,
	'extensiondescription' => 1,
	'extensionmodifydate' => 1,
	'extensionname' => 1,
	'extensionpersistence' => 1,
	'extensions' => 1,
	'extrasamples' => 1,
	'facedetect1' => 1,
	'facedetect2' => 1,
	'fastseek' => 1,
	'faxprofile' => 1,
	'faxrecvparams' => 1,
	'faxrecvtime' => 1,
	'faxsubaddress' => 1,
	'fileid' => 1,
	'fileinfo' => 1,
	'fileinfolen' => 1,
	'fileinfolen2' => 1,
	'fileinfoproperties' => 1,
	'fileinfoversion' => 1,
	'fileowner' => 1,
	'fileproperties' => 1,
	'filerul' => 1,
	'files' => 1,
	'filesize' => 1,
	'filesizebytes' => 1,
	'filetype' => 1,
	'fillmethod' => 1,
	'filmbrand' => 1,
	'filmcategory' => 1,
	'filmframenumber' => 1,
	'filmgencode' => 1,
	'filmproductcode' => 1,
	'filmrollnumber' => 1,
	'filmsize' => 1,
	'filtering' => 1,
	'finalframeblocks' => 1,
	'firstobject' => 1,
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);

# module names for writable Composite tags
my %compositeModules = (
	'jpgfromraw' => 'Image::ExifTool::Exif',
	'originaldecisiondata' => 'Image::ExifTool::Canon',
	'previewimage' => 'Image::ExifTool::Exif',
	'thumbnailimage' => 'Image::ExifTool::Exif',
);

#++++ End automatically generated code ++++

# insert any user-defined tags into our tag lookup
if (defined %Image::ExifTool::UserDefined) {
    my ($table, %tableNum, $tagID);
    my $tnum = 0; # make hash lookup to get table numbers
    foreach $table (@tableList) {
        $tableNum{$table} = $tnum++;
    }
    my @userTables = sort keys %Image::ExifTool::UserDefined;
    while (@userTables) {
        my $table = shift @userTables;
        $tnum = $tableNum{$table};
        unless ($tnum) {
            $tnum = scalar @tableList;
            push @tableList, $table;
        }
        my $userTable = $Image::ExifTool::UserDefined{$table};
        foreach $tagID (Image::ExifTool::TagTableKeys($userTable)) {
            my $newInfo = $$userTable{$tagID};
            if (ref $newInfo eq 'HASH') {
                $$newInfo{Name} or $$newInfo{Name} = ucfirst($tagID);
            } else {
                $newInfo = $$userTable{$tagID} = { Name => $newInfo };
            }
            my $lcTag = lc($$newInfo{Name});
            # add to lookup even though we don't know it is writable
            # (to save speed by not having to load the module)
            my $lookup = $tagLookup{$lcTag};
            $lookup or $lookup = $tagLookup{$lcTag} = { };
            if ($$lookup{$tnum}) {
                my $le = $$lookup{$tnum};
                my @ids = (ref $le eq 'ARRAY') ? @{$le} : ( $le );
                # only add new tag ID if it didn't already exist
                next if grep /^$tagID$/, @ids;
                push @ids, $tagID;
                $$lookup{$tnum} = \@ids;
            } else {
                $$lookup{$tnum} = $tagID;
            }
            # add any new subdirectory tables
            next unless $$newInfo{SubDirectory};
            my $subTable = $newInfo->{SubDirectory}->{TagTable};
            next unless $subTable and not defined $tableNum{$subTable};
            next if $Image::ExifTool::UserDefined{$subTable};
            no strict 'refs';
            next unless defined %$subTable;
            $Image::ExifTool::UserDefined{$subTable} = \%$subTable;
            push @userTables, $subTable;
            # save parent table name so we can load it when necessary
            $$subTable{PARENT} = $table;
        }
    }
}

#------------------------------------------------------------------------------
# Return true if the tag exists
# Inputs: 0) tag name (case insensitive)
# Returns: true if tag exists
sub TagExists($)
{
    my $tag = lc($_[0]);
    return 1 if $tagExists{$tag} or $tagLookup{$tag};
    return 0;
}

#------------------------------------------------------------------------------
# Find information for writable tags (case insensitive)
# Inputs: 0) tag name (case insensitive)
# Returns: Scalar context: tag info or false if none found
#          List context: list of all matching tagInfo hashes
sub FindTagInfo($)
{
    local $_;
    my $tag = shift;
    my $lcTag = lc($tag);
    my ($tableNum, @tagInfoList);
    my $lookup = $tagLookup{$lcTag};
    if ($lookup) {
        foreach $tableNum (keys %$lookup) {
            my $table = GetTagTable($tableList[$tableNum]);
            my $tagID = $$lookup{$tableNum};
            my @tagIDs;
            if (ref $tagID eq 'ARRAY') {
                @tagIDs = @$tagID;
            } else {
                push @tagIDs, $tagID;
            }
            foreach $tagID (@tagIDs) {
                my @infoList = GetTagInfoList($table,$tagID);
                unless (@infoList) {
                    my $reload;
                    # call write proc if it exists in case it adds tags to the table
                    my $writeProc = $table->{WRITE_PROC};
                    $reload = 1 if $writeProc and &$writeProc();
                    # load module with composite tag if necessary
                    my $compMod = $compositeModules{$lcTag};
                    $reload = 1 if $compMod and eval "require $compMod";
                    @infoList = GetTagInfoList($table,$tagID) if $reload;
                }
                if (@infoList == 1) {
                    push @tagInfoList, @infoList;
                } elsif (@infoList > 1) {
                    my $tagInfo;
                    # must check tag list in case tags have different names
                    foreach $tagInfo (@infoList) {
                        next unless $lcTag eq lc($$tagInfo{Name});
                        push @tagInfoList, $tagInfo;
                    }
                }
            }
        }
    }
    if (wantarray) {
        return @tagInfoList;
    } else {
        return $tagInfoList[0];
    }
}


1;  # end

__END__

=head1 NAME

Image::ExifTool::TagLookup - Fast lookup for ExifTool tags

=head1 SYNOPSIS

This module is required by Image::ExifTool for writing tags.

=head1 DESCRIPTION

Provides a fast, case insensitive lookup for tag names.

=head1 AUTHOR

Copyright 2003-2008, Phil Harvey (phil at owl.phy.queensu.ca)

This library is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.

=head1 SEE ALSO

L<Image::ExifTool(3pm)|Image::ExifTool>,
L<Image::ExifTool::BuildTagLookup(3pm)|Image::ExifTool::BuildTagLookup>,
L<Image::ExifTool::TagNames(3pm)|Image::ExifTool::TagNames>

=cut
