#------------------------------------------------------------------------------
# File:         XMP2.pl
#
# Description:  Additional XMP namespace definitions
#
# Revisions:    10/12/2008 - P. Harvey Created
#
# References:   1) PLUS - http://ns.useplus.org/
#               2) PRISM - http://www.prismstandard.org/
#               3) http://www.portfoliofaq.com/pfaq/v7mappings.htm
#               4) http://www.iptc.org/IPTC4XMP/
#               5) http://creativecommons.org/technology/xmp
#                  --> changed to http://wiki.creativecommons.org/Companion_File_metadata_specification (2007/12/21)
#               6) http://www.optimasc.com/products/fileid/xmp-extensions.pdf
#               9) http://www.w3.org/TR/SVG11/
#               11) http://www.extensis.com/en/support/kb_article.jsp?articleNumber=6102211
#               12) XMPSpecificationPart3_May2013, page 58
#               13) https://developer.android.com/training/camera2/Dynamic-depth-v1.0.pdf
#               14) http://www.iptc.org/standards/photo-metadata/iptc-standard/
#------------------------------------------------------------------------------

package Image::ExifTool::XMP;

use strict;
use Image::ExifTool qw(:Utils);
use Image::ExifTool::XMP;

sub Init_crd($);

#------------------------------------------------------------------------------

# xmpDM structure definitions
my %sCuePointParam = (
    STRUCT_NAME => 'CuePointParam',
    NAMESPACE   => 'xmpDM',
    key         => { },
    value       => { },
);
my %sMarker = (
    STRUCT_NAME => 'Marker',
    NAMESPACE   => 'xmpDM',
    comment     => { },
    duration    => { },
    location    => { },
    name        => { },
    startTime   => { },
    target      => { },
    type        => { },
    # added Oct 2008
    cuePointParams => { Struct => \%sCuePointParam, List => 'Seq' },
    cuePointType=> { },
    probability => { Writable => 'real' },
    speaker     => { },
);
my %sTime = (
    STRUCT_NAME => 'Time',
    NAMESPACE   => 'xmpDM',
    scale       => { Writable => 'rational' },
    value       => { Writable => 'integer' },
);
my %sTimecode = (
    STRUCT_NAME => 'Timecode',
    NAMESPACE   => 'xmpDM',
    timeFormat  => {
        PrintConv => {
            '24Timecode' => '24 fps',
            '25Timecode' => '25 fps',
            '2997DropTimecode' => '29.97 fps (drop)',
            '2997NonDropTimecode' => '29.97 fps (non-drop)',
            '30Timecode' => '30 fps',
            '50Timecode' => '50 fps',
            '5994DropTimecode' => '59.94 fps (drop)',
            '5994NonDropTimecode' => '59.94 fps (non-drop)',
            '60Timecode' => '60 fps',
            '23976Timecode' => '23.976 fps',
        },
    },
    timeValue   => { },
    value       => { Writable => 'integer', Notes => 'only in XMP 2008 spec; an error?' },
);
my %sPose = (
    STRUCT_NAME => 'Pose',
    NAMESPACE => { Pose => 'http://ns.google.com/photos/dd/1.0/pose/' },
    PositionX => { Writable => 'real', Groups => { 2 => 'Location' } },
    PositionY => { Writable => 'real', Groups => { 2 => 'Location' } },
    PositionZ => { Writable => 'real', Groups => { 2 => 'Location' } },
    RotationX => { Writable => 'real', Groups => { 2 => 'Location' } },
    RotationY => { Writable => 'real', Groups => { 2 => 'Location' } },
    RotationZ => { Writable => 'real', Groups => { 2 => 'Location' } },
    RotationW => { Writable => 'real', Groups => { 2 => 'Location' } },
    Timestamp => {
        Writable => 'integer',
        Shift => 'Time',
        Groups => { 2 => 'Time' },
        ValueConv => 'ConvertUnixTime($val / 1000, 1, 3)',
        ValueConvInv => 'int(GetUnixTime($val, 1) * 1000)',
        PrintConv => '$self->ConvertDateTime($val)',
        PrintConvInv => '$self->InverseDateTime($val,undef,1)',
    },
);
my %sEarthPose = (
    STRUCT_NAME => 'EarthPose',
    NAMESPACE => { EarthPose => 'http://ns.google.com/photos/dd/1.0/earthpose/' },
    Latitude  => {
        Writable => 'real',
        Groups => { 2 => 'Location' }, 
        ValueConv    => 'Image::ExifTool::GPS::ToDegrees($val, 1)',
        ValueConvInv => '$val',
        PrintConv    => 'Image::ExifTool::GPS::ToDMS($self, $val, 1, "N")',
        PrintConvInv => 'Image::ExifTool::GPS::ToDegrees($val, 1, "lat")',
    },
    Longitude => {
        Writable => 'real',
        Groups => { 2 => 'Location' },
        ValueConv    => 'Image::ExifTool::GPS::ToDegrees($val, 1)',
        ValueConvInv => '$val',
        PrintConv    => 'Image::ExifTool::GPS::ToDMS($self, $val, 1, "E")',
        PrintConvInv => 'Image::ExifTool::GPS::ToDegrees($val, 1, "lon")',
    },
    Altitude  => {
        Writable => 'real',
        Groups => { 2 => 'Location' },
        PrintConv => '"$val m"',
        PrintConvInv => '$val=~s/\s*m$//;$val',
    },
    RotationX => { Writable => 'real', Groups => { 2 => 'Location' } },
    RotationY => { Writable => 'real', Groups => { 2 => 'Location' } },
    RotationZ => { Writable => 'real', Groups => { 2 => 'Location' } },
    RotationW => { Writable => 'real', Groups => { 2 => 'Location' } },
    Timestamp => {
        Writable => 'integer',
        Shift => 'Time',
        Groups => { 2 => 'Time' },
        ValueConv => 'ConvertUnixTime($val / 1000, 1, 3)',
        ValueConvInv => 'int(GetUnixTime($val, 1) * 1000)',
        PrintConv => '$self->ConvertDateTime($val)',
        PrintConvInv => '$self->InverseDateTime($val,undef,1)',
    },
);
my %sVendorInfo = (
    STRUCT_NAME => 'VendorInfo',
    NAMESPACE   => { VendorInfo => 'http://ns.google.com/photos/dd/1.0/vendorinfo/' },
    Model => { },
    Manufacturer => { },
    Notes => { },
);
my %sAppInfo = (
    STRUCT_NAME => 'AppInfo',
    NAMESPACE   => { AppInfo => 'http://ns.google.com/photos/dd/1.0/appinfo/' },
    Application => { },
    Version => { },
    ItemURI => { },
);

# camera-raw defaults
%Image::ExifTool::XMP::crd = (
    %xmpTableDefaults,
    INIT_TABLE => \&Init_crd,
    GROUPS => { 1 => 'XMP-crd', 2 => 'Image' },
    NAMESPACE   => 'crd',
    AVOID => 1,
    TABLE_DESC => 'Photoshop Camera Defaults namespace',
    NOTES => 'Adobe Camera Raw Defaults tags.',
    # (tags added dynamically when WRITE_PROC is called)
);

# XMP Dynamic Media namespace properties (xmpDM)
%Image::ExifTool::XMP::xmpDM = (
    %xmpTableDefaults,
    GROUPS => { 1 => 'XMP-xmpDM', 2 => 'Image' },
    NAMESPACE => 'xmpDM',
    NOTES => 'XMP Dynamic Media namespace tags.',
    absPeakAudioFilePath=> { },
    album               => { },
    altTapeName         => { },
    altTimecode         => { Struct => \%sTimecode },
    artist              => { Avoid => 1, Groups => { 2 => 'Author' } },
    audioModDate        => { Groups => { 2 => 'Time' }, %dateTimeInfo },
    audioSampleRate     => { Writable => 'integer' },
    audioSampleType => {
        PrintConv => {
            '8Int' => '8-bit integer',
            '16Int' => '16-bit integer',
            '24Int' => '24-bit integer',
            '32Int' => '32-bit integer',
            '32Float' => '32-bit float',
            'Compressed' => 'Compressed',
            'Packed' => 'Packed',
            'Other' => 'Other',
        },
    },
    audioChannelType => {
        PrintConv => {
            'Mono' => 'Mono',
            'Stereo' => 'Stereo',
            '5.1' => '5.1',
            '7.1' => '7.1',
            '16 Channel' => '16 Channel',
            'Other' => 'Other',
        },
    },
    audioCompressor     => { },
    beatSpliceParams => {
        Struct => {
            STRUCT_NAME => 'BeatSpliceStretch',
            NAMESPACE   => 'xmpDM',
            riseInDecibel       => { Writable => 'real' },
            riseInTimeDuration  => { Struct => \%sTime },
            useFileBeatsMarker  => { Writable => 'boolean' },
        },
    },
    cameraAngle         => { },
    cameraLabel         => { },
    cameraModel         => { },
    cameraMove          => { },
    client              => { },
    comment             => { Name => 'DMComment' },
    composer            => { Groups => { 2 => 'Author' } },
    contributedMedia => {
        Struct => {
            STRUCT_NAME => 'Media',
            NAMESPACE   => 'xmpDM',
            duration    => { Struct => \%sTime },
            managed     => { Writable => 'boolean' },
            path        => { },
            startTime   => { Struct => \%sTime },
            track       => { },
            webStatement=> { },
        },
        List => 'Bag',
    },
    copyright       => { Avoid => 1, Groups => { 2 => 'Author' } }, # (deprecated)
    director        => { },
    directorPhotography => { },
    discNumber      => { }, #12
    duration        => { Struct => \%sTime },
    engineer        => { },
    fileDataRate    => { Writable => 'rational' },
    genre           => { },
    good            => { Writable => 'boolean' },
    pick            => { Writable => 'integer' }, #forum15815
    instrument      => { },
    introTime       => { Struct => \%sTime },
    key => {
        PrintConvColumns => 3,
        PrintConv => {
            'C'  => 'C',  'C#' => 'C#', 'D'  => 'D',  'D#' => 'D#',
            'E'  => 'E',  'F'  => 'F',  'F#' => 'F#', 'G'  => 'G',
            'G#' => 'G#', 'A'  => 'A',  'A#' => 'A#', 'B'  => 'B',
        },
    },
    logComment      => { },
    loop            => { Writable => 'boolean' },
    lyrics          => { }, #12
    numberOfBeats   => { Writable => 'real' },
    markers         => { Struct => \%sMarker, List => 'Seq' },
    metadataModDate => { Groups => { 2 => 'Time' }, %dateTimeInfo },
    outCue          => { Struct => \%sTime },
    partOfCompilation=>{ Writable => 'boolean' }, #12
    projectName     => { },
    projectRef => {
        Struct => {
            STRUCT_NAME => 'ProjectLink',
            NAMESPACE   => 'xmpDM',
            path        => { },
            type        => {
                PrintConv => {
                    movie => 'Movie',
                    still => 'Still Image',
                    audio => 'Audio',
                    custom => 'Custom',
                },
            },
        },
    },
    pullDown => {
        PrintConvColumns => 2,
        PrintConv => {
            'WSSWW' => 'WSSWW',  'SSWWW' => 'SSWWW',
            'SWWWS' => 'SWWWS',  'WWWSS' => 'WWWSS',
            'WWSSW' => 'WWSSW',  'WWWSW' => 'WWWSW',
            'WWSWW' => 'WWSWW',  'WSWWW' => 'WSWWW',
            'SWWWW' => 'SWWWW',  'WWWWS' => 'WWWWS',
        },
    },
    relativePeakAudioFilePath => { },
    relativeTimestamp   => { Struct => \%sTime },
    releaseDate         => { Groups => { 2 => 'Time' }, %dateTimeInfo },
    resampleParams => {
        Struct => {
            STRUCT_NAME => 'ResampleStretch',
            NAMESPACE   => 'xmpDM',
            quality     => { PrintConv => { Low => 'Low', Medium => 'Medium', High => 'High' } },
        },
    },
    scaleType => {
        PrintConv => {
            Major => 'Major',
            Minor => 'Minor',
            Both => 'Both',
            Neither => 'Neither',
        },
    },
    scene           => { Avoid => 1 },
    shotDate        => { Groups => { 2 => 'Time' }, %dateTimeInfo },
    shotDay         => { },
    shotLocation    => { },
    shotName        => { },
    shotNumber      => { },
    shotSize        => { },
    speakerPlacement=> { },
    startTimecode   => { Struct => \%sTimecode },
    startTimeSampleSize => { Writable => 'integer' }, #PH
    startTimeScale  => { }, #PH (real?)
    stretchMode     => {
        PrintConv => {
            'Fixed length' => 'Fixed length',
            'Time-Scale' => 'Time-Scale',
            'Resample' => 'Resample',
            'Beat Splice' => 'Beat Splice',
            'Hybrid' => 'Hybrid',
        },
    },
    takeNumber      => { Writable => 'integer' },
    tapeName        => { },
    tempo           => { Writable => 'real' },
    timeScaleParams => {
        Struct => {
            STRUCT_NAME => 'TimeScaleStretch',
            NAMESPACE   => 'xmpDM',
            frameOverlappingPercentage => { Writable => 'real' },
            frameSize   => { Writable => 'real' },
            quality     => { PrintConv => { Low => 'Low', Medium => 'Medium', High => 'High' } },
        },
    },
    timeSignature   => {
        PrintConvColumns => 3,
        PrintConv => {
            '2/4' => '2/4',  '3/4' => '3/4',  '4/4' => '4/4',
            '5/4' => '5/4',  '7/4' => '7/4',  '6/8' => '6/8',
            '9/8' => '9/8',  '12/8'=> '12/8', 'other' => 'other',
        },
    },
    trackNumber     => { Writable => 'integer' },
    Tracks => {
        Struct => {
            STRUCT_NAME => 'Track',
            NAMESPACE   => 'xmpDM',
            frameRate => { },
            markers   => { Struct => \%sMarker, List => 'Seq' },
            trackName => { },
            trackType => { },
        },
        List => 'Bag',
    },
    videoAlphaMode => {
        PrintConv => {
            'straight' => 'Straight',
            'pre-multiplied', => 'Pre-multiplied',
            'none' => 'None',
        },
    },
    videoAlphaPremultipleColor   => { Struct => \%sColorant },
    videoAlphaUnityIsTransparent => { Writable => 'boolean' },
    videoColorSpace     => {
        PrintConv => {
            'sRGB' => 'sRGB',
            'CCIR-601' => 'CCIR-601',
            'CCIR-709' => 'CCIR-709',
        },
    },
    videoCompressor => { },
    videoFieldOrder => {
        PrintConv => {
            Upper => 'Upper',
            Lower => 'Lower',
            Progressive => 'Progressive',
        },
    },
    videoFrameRate  => { Writable => 'real' },
    videoFrameSize  => { Struct => \%sDimensions },
    videoModDate    => { Groups => { 2 => 'Time' }, %dateTimeInfo },
    videoPixelAspectRatio => { Writable => 'rational' },
    videoPixelDepth => {
        PrintConv => {
            '8Int' => '8-bit integer',
            '16Int' => '16-bit integer',
            '24Int' => '24-bit integer',
            '32Int' => '32-bit integer',
            '32Float' => '32-bit float',
            'Other' => 'Other',
        },
    },
);

#------------------------------------------------------------------------------
# IPTC Extensions version 1.3 (+ proposed video extensions)

# IPTC Extension 1.0 structures
my %sLocationDetails = (
    STRUCT_NAME => 'LocationDetails',
    NAMESPACE   => 'Iptc4xmpExt',
    GROUPS      => { 2 => 'Location' },
    Identifier  => { List => 'Bag', Namespace => 'xmp' },
    City        => { },
    CountryCode => { },
    CountryName => { },
    ProvinceState => { },
    Sublocation => { },
    WorldRegion => { },
    LocationId  => { List => 'Bag' },
    LocationName => { Writable => 'lang-alt' },
    GPSLatitude  => { Namespace => 'exif', %latConv },
    GPSLongitude => { Namespace => 'exif', %longConv },
    GPSAltitude => {
        Namespace => 'exif',
        Writable => 'rational',
        PrintConv => '$val =~ /^(inf|undef)$/ ? $val : "$val m"',
        PrintConvInv => '$val=~s/\s*m$//;$val',
    },
    GPSAltitudeRef  => {
        Writable => 'integer',
        PrintConv => {
            OTHER => sub {
                my ($val, $inv) = @_;
                return undef unless $inv and $val =~ /^([-+0-9])/;
                return($1 eq '-' ? 1 : 0);
            },
            0 => 'Above Sea Level',
            1 => 'Below Sea Level',
        },
    },
);
my %sCVTermDetails = (
    STRUCT_NAME => 'CVTermDetails',
    NAMESPACE   => 'Iptc4xmpExt',
    CvTermId    => { },
    CvTermName  => { Writable => 'lang-alt' },
    CvId        => { },
    CvTermRefinedAbout => { },
);

# IPTC video extensions
my %sPublicationEvent = (
    STRUCT_NAME => 'PublicationEvent',
    NAMESPACE   => 'Iptc4xmpExt',
    Date        => { Groups => { 2 => 'Time' }, %dateTimeInfo },
    Name        => { },
    Identifier  => { },
);
my %sEntity = (
    STRUCT_NAME => 'Entity',
    NAMESPACE   => 'Iptc4xmpExt',
    Identifier  => { List => 'Bag', Namespace => 'xmp' },
    Name        => { Writable => 'lang-alt' },
);
my %sEntityWithRole = (
    STRUCT_NAME => 'EntityWithRole',
    NAMESPACE   => 'Iptc4xmpExt',
    Identifier  => { List => 'Bag', Namespace => 'xmp' },
    Name        => { Writable => 'lang-alt' },
    Role        => { List => 'Bag' },
);
# (no longer used)
#my %sFrameSize = (
#    STRUCT_NAME => 'FrameSize',
#    NAMESPACE   => 'Iptc4xmpExt',
#    WidthPixels  => { Writable => 'integer' },
#    HeightPixels => { Writable => 'integer' },
#);
my %sRating = (
    STRUCT_NAME => 'Rating',
    NAMESPACE   => 'Iptc4xmpExt',
    RatingValue         => { FlatName => 'Value' },
    RatingSourceLink    => { FlatName => 'SourceLink' },
    RatingScaleMinValue => { FlatName => 'ScaleMinValue' },
    RatingScaleMaxValue => { FlatName => 'ScaleMaxValue' },
    RatingValueLogoLink => { FlatName => 'ValueLogoLink' },
    RatingRegion => {
        FlatName => 'Region',
        Struct => \%sLocationDetails,
        List => 'Bag',
    },
);
my %sEpisode = (
    STRUCT_NAME => 'EpisodeOrSeason',
    NAMESPACE   => 'Iptc4xmpExt',
    Name        => { },
    Number      => { },
    Identifier  => { },
);
my %sSeries = (
    STRUCT_NAME => 'Series',
    NAMESPACE   => 'Iptc4xmpExt',
    Name        => { },
    Identifier  => { },
);
my %sTemporalCoverage = (
    STRUCT_NAME => 'TemporalCoverage',
    NAMESPACE   => 'Iptc4xmpExt',
    tempCoverageFrom => { FlatName => 'From', %dateTimeInfo, Groups => { 2 => 'Time' } },
    tempCoverageTo   => { FlatName => 'To',   %dateTimeInfo, Groups => { 2 => 'Time' } },
);
my %sQualifiedLink = (
    STRUCT_NAME => 'QualifiedLink',
    NAMESPACE   => 'Iptc4xmpExt',
    Link        => { },
    LinkQualifier => { },
);
my %sTextRegion = (
    STRUCT_NAME => 'TextRegion',
    NAMESPACE   => 'Iptc4xmpExt',
    RegionText  => { },
    Region      => { Struct => \%Image::ExifTool::XMP::sArea },
);
my %sLinkedImage = (
    STRUCT_NAME => 'LinkedImage',
    NAMESPACE   => 'Iptc4xmpExt',
    Link        => { },
    LinkQualifier => { List => 'Bag' },
    ImageRole   => { },
   'format'     => { Namespace => 'dc' },
    WidthPixels => { Writable => 'integer' },
    HeightPixels=> { Writable => 'integer' },
    UsedVideoFrame => { Struct => \%sTimecode },
);
my %sBoundaryPoint = ( # new in 1.5
    STRUCT_NAME => 'BoundaryPoint',
    NAMESPACE   => 'Iptc4xmpExt',
    rbX => { FlatName => 'X', Writable => 'real' },
    rbY => { FlatName => 'Y', Writable => 'real' },
);
my %sRegionBoundary = ( # new in 1.5
    STRUCT_NAME => 'RegionBoundary',
    NAMESPACE   => 'Iptc4xmpExt',
    rbShape => { FlatName => 'Shape', PrintConv => { rectangle => 'Rectangle', circle => 'Circle', polygon => 'Polygon' } },
    rbUnit  => { FlatName => 'Unit',  PrintConv => { pixel => 'Pixel', relative => 'Relative' } },
    rbX => { FlatName => 'X', Writable => 'real' },
    rbY => { FlatName => 'Y', Writable => 'real' },
    rbW => { FlatName => 'W', Writable => 'real' },
    rbH => { FlatName => 'H', Writable => 'real' },
    rbRx => { FlatName => 'Rx', Writable => 'real' },
    rbVertices => { FlatName => 'Vertices', List => 'Seq', Struct => \%sBoundaryPoint },
);
my %sImageRegion = ( # new in 1.5
    STRUCT_NAME => 'ImageRegion',
    NAMESPACE   => undef,   # undefined to allow variable-namespace extensions
    NOTES => q{
        This structure is new in the IPTC Extension version 1.5 specification.  As
        well as the fields defined below, this structure may contain any top-level
        XMP tags, but since they aren't pre-defined the only way to add these tags
        is to write ImageRegion as a structure with these tags as new fields.
    },
    RegionBoundary => { Namespace => 'Iptc4xmpExt', FlatName => 'Boundary', Struct => \%sRegionBoundary },
    rId    => { Namespace => 'Iptc4xmpExt', FlatName => 'ID' },
    Name   => { Namespace => 'Iptc4xmpExt', Writable => 'lang-alt' },
    rCtype => { Namespace => 'Iptc4xmpExt', FlatName => 'Ctype', List => 'Bag', Struct => \%sEntity },
    rRole  => { Namespace => 'Iptc4xmpExt', FlatName => 'Role',  List => 'Bag', Struct => \%sEntity },
);

# IPTC Extension namespace properties (Iptc4xmpExt) (ref 4, 14)
%Image::ExifTool::XMP::iptcExt = (
    %xmpTableDefaults,
    GROUPS => { 1 => 'XMP-iptcExt', 2 => 'Author' },
    NAMESPACE   => 'Iptc4xmpExt',
    TABLE_DESC => 'XMP IPTC Extension',
    NOTES => q{
        This table contains tags defined by the IPTC Extension schema version 1.7
        and IPTC Video Metadata version 1.3. The actual namespace prefix is
        "Iptc4xmpExt", but ExifTool shortens this for the family 1 group name. (See
        L<http://www.iptc.org/standards/photo-metadata/iptc-standard/> and
        L<https://iptc.org/standards/video-metadata-hub/>.)
    },
    AboutCvTerm => {
        Struct => \%sCVTermDetails,
        List => 'Bag',
    },
    AboutCvTermCvId                 => { Flat => 1, Name => 'AboutCvTermCvId' },
    AboutCvTermCvTermId             => { Flat => 1, Name => 'AboutCvTermId' },
    AboutCvTermCvTermName           => { Flat => 1, Name => 'AboutCvTermName' },
    AboutCvTermCvTermRefinedAbout   => { Flat => 1, Name => 'AboutCvTermRefinedAbout' },
    AddlModelInfo   => { Name => 'AdditionalModelInformation' },
    ArtworkOrObject => {
        Struct => {
            STRUCT_NAME => 'ArtworkOrObjectDetails',
            NAMESPACE   => 'Iptc4xmpExt',
            AOCopyrightNotice => { },
            AOCreator    => { List => 'Seq' },
            AODateCreated=> { Groups => { 2 => 'Time' }, %dateTimeInfo },
            AOSource     => { },
            AOSourceInvNo=> { },
            AOTitle      => { Writable => 'lang-alt' },
            AOCurrentCopyrightOwnerName => { },
            AOCurrentCopyrightOwnerId   => { },
            AOCurrentLicensorName       => { },
            AOCurrentLicensorId         => { },
            AOCreatorId                 => { List => 'Seq' },
            AOCircaDateCreated          => { Groups => { 2 => 'Time' }, Protected => 1 },
            AOStylePeriod               => { List => 'Bag' },
            AOSourceInvURL              => { },
            AOContentDescription        => { Writable => 'lang-alt' },
            AOContributionDescription   => { Writable => 'lang-alt' },
            AOPhysicalDescription       => { Writable => 'lang-alt' },
        },
        List => 'Bag',
    },
    ArtworkOrObjectAOCopyrightNotice           => { Flat => 1, Name => 'ArtworkCopyrightNotice' },
    ArtworkOrObjectAOCreator                   => { Flat => 1, Name => 'ArtworkCreator' },
    ArtworkOrObjectAODateCreated               => { Flat => 1, Name => 'ArtworkDateCreated' },
    ArtworkOrObjectAOSource                    => { Flat => 1, Name => 'ArtworkSource' },
    ArtworkOrObjectAOSourceInvNo               => { Flat => 1, Name => 'ArtworkSourceInventoryNo' },
    ArtworkOrObjectAOTitle                     => { Flat => 1, Name => 'ArtworkTitle' },
    ArtworkOrObjectAOCurrentCopyrightOwnerName => { Flat => 1, Name => 'ArtworkCopyrightOwnerName' },
    ArtworkOrObjectAOCurrentCopyrightOwnerId   => { Flat => 1, Name => 'ArtworkCopyrightOwnerID' },
    ArtworkOrObjectAOCurrentLicensorName       => { Flat => 1, Name => 'ArtworkLicensorName' },
    ArtworkOrObjectAOCurrentLicensorId         => { Flat => 1, Name => 'ArtworkLicensorID' },
    ArtworkOrObjectAOCreatorId                 => { Flat => 1, Name => 'ArtworkCreatorID' },
    ArtworkOrObjectAOCircaDateCreated          => { Flat => 1, Name => 'ArtworkCircaDateCreated' },
    ArtworkOrObjectAOStylePeriod               => { Flat => 1, Name => 'ArtworkStylePeriod' },
    ArtworkOrObjectAOSourceInvURL              => { Flat => 1, Name => 'ArtworkSourceInvURL' },
    ArtworkOrObjectAOContentDescription        => { Flat => 1, Name => 'ArtworkContentDescription' },
    ArtworkOrObjectAOContributionDescription   => { Flat => 1, Name => 'ArtworkContributionDescription' },
    ArtworkOrObjectAOPhysicalDescription       => { Flat => 1, Name => 'ArtworkPhysicalDescription' },
    CVterm => {
        Name => 'ControlledVocabularyTerm',
        List => 'Bag',
        Notes => 'deprecated by version 1.2',
    },
    DigImageGUID            => { Groups => { 2 => 'Image' }, Name => 'DigitalImageGUID' },
    DigitalSourcefileType   => {
        Name => 'DigitalSourceFileType',
        Notes => 'now deprecated -- replaced by DigitalSourceType',
        Groups => { 2 => 'Image' },
    },
    DigitalSourceType       => { Name => 'DigitalSourceType', Groups => { 2 => 'Image' } },
    EmbdEncRightsExpr => {
        Struct => {
            STRUCT_NAME => 'EEREDetails',
            NAMESPACE   => 'Iptc4xmpExt',
            EncRightsExpr       => { },
            RightsExprEncType   => { },
            RightsExprLangId    => { },
        },
        List => 'Bag',
    },
    EmbdEncRightsExprEncRightsExpr      => { Flat => 1, Name => 'EmbeddedEncodedRightsExpr' },
    EmbdEncRightsExprRightsExprEncType  => { Flat => 1, Name => 'EmbeddedEncodedRightsExprType' },
    EmbdEncRightsExprRightsExprLangId   => { Flat => 1, Name => 'EmbeddedEncodedRightsExprLangID' },
    Event       => { Writable => 'lang-alt' },
    IptcLastEdited => {
        Name => 'IPTCLastEdited',
        Groups => { 2 => 'Time' },
        %dateTimeInfo,
    },
    LinkedEncRightsExpr => {
        Struct => {
            STRUCT_NAME => 'LEREDetails',
            NAMESPACE   => 'Iptc4xmpExt',
            LinkedRightsExpr    => { },
            RightsExprEncType   => { },
            RightsExprLangId    => { },
        },
        List => 'Bag',
    },
    LinkedEncRightsExprLinkedRightsExpr  => { Flat => 1, Name => 'LinkedEncodedRightsExpr' },
    LinkedEncRightsExprRightsExprEncType => { Flat => 1, Name => 'LinkedEncodedRightsExprType' },
    LinkedEncRightsExprRightsExprLangId  => { Flat => 1, Name => 'LinkedEncodedRightsExprLangID' },
    LocationCreated => {
        Struct => \%sLocationDetails,
        Groups => { 2 => 'Location' },
        List => 'Bag',
    },
    LocationShown => {
        Struct => \%sLocationDetails,
        Groups => { 2 => 'Location' },
        List => 'Bag',
    },
    MaxAvailHeight          => { Groups => { 2 => 'Image' }, Writable => 'integer' },
    MaxAvailWidth           => { Groups => { 2 => 'Image' }, Writable => 'integer' },
    ModelAge                => { List => 'Bag', Writable => 'integer' },
    OrganisationInImageCode => { List => 'Bag' },
    OrganisationInImageName => { List => 'Bag' },
    PersonInImage           => { List => 'Bag' },
    PersonInImageWDetails => {
        Struct => {
            STRUCT_NAME => 'PersonDetails',
            NAMESPACE   => 'Iptc4xmpExt',
            PersonId    => { List => 'Bag' },
            PersonName  => { Writable => 'lang-alt' },
            PersonCharacteristic => {
                Struct  => \%sCVTermDetails,
                List    => 'Bag',
            },
            PersonDescription => { Writable => 'lang-alt' },
        },
        List => 'Bag',
    },
    PersonInImageWDetailsPersonId                               => { Flat => 1, Name => 'PersonInImageId' },
    PersonInImageWDetailsPersonName                             => { Flat => 1, Name => 'PersonInImageName' },
    PersonInImageWDetailsPersonCharacteristic                   => { Flat => 1, Name => 'PersonInImageCharacteristic' },
    PersonInImageWDetailsPersonCharacteristicCvId               => { Flat => 1, Name => 'PersonInImageCvTermCvId' },
    PersonInImageWDetailsPersonCharacteristicCvTermId           => { Flat => 1, Name => 'PersonInImageCvTermId' },
    PersonInImageWDetailsPersonCharacteristicCvTermName         => { Flat => 1, Name => 'PersonInImageCvTermName' },
    PersonInImageWDetailsPersonCharacteristicCvTermRefinedAbout => { Flat => 1, Name => 'PersonInImageCvTermRefinedAbout' },
    PersonInImageWDetailsPersonDescription                      => { Flat => 1, Name => 'PersonInImageDescription' },
    ProductInImage => {
        Struct => {
            STRUCT_NAME => 'ProductDetails',
            NAMESPACE   => 'Iptc4xmpExt',
            ProductName => { Writable => 'lang-alt' },
            ProductGTIN => { },
            ProductDescription => { Writable => 'lang-alt' },
            ProductId => { }, # added in version 2022.1
        },
        List => 'Bag',
    },
    ProductInImageProductName        => { Flat => 1, Name => 'ProductInImageName' },
    ProductInImageProductGTIN        => { Flat => 1, Name => 'ProductInImageGTIN' },
    ProductInImageProductDescription => { Flat => 1, Name => 'ProductInImageDescription' },
    RegistryId => {
        Name => 'RegistryID',
        Struct => {
            STRUCT_NAME => 'RegistryEntryDetails',
            NAMESPACE   => 'Iptc4xmpExt',
            RegItemId   => { },
            RegOrgId    => { },
            RegEntryRole=> { }, # (new in 1.3)
        },
        List => 'Bag',
    },
    RegistryIdRegItemId => { Flat => 1, Name => 'RegistryItemID' },
    RegistryIdRegOrgId  => { Flat => 1, Name => 'RegistryOrganisationID' },
    RegistryIdRegEntryRole => { Flat => 1, Name => 'RegistryEntryRole' },

    # new Extension 1.3 properties
    Genre           => { Groups => { 2 => 'Image' }, List => 'Bag', Struct => \%sCVTermDetails },

    # new video properties (Oct 2016, ref Michael Steidl)
    # (see http://www.iptc.org/std/videometadatahub/recommendation/IPTC-VideoMetadataHub-props-Rec_1.0.html)
    CircaDateCreated=> { Groups => { 2 => 'Time' } },
    Episode         => { Groups => { 2 => 'Video' }, Struct => \%sEpisode },
    ExternalMetadataLink => { Groups => { 2 => 'Other' }, List => 'Bag' },
    FeedIdentifier  => { Groups => { 2 => 'Video' } },
    PublicationEvent=> { Groups => { 2 => 'Video' }, List => 'Bag', Struct => \%sPublicationEvent },
    Rating          => {
        Groups => { 2 => 'Other' },
        Struct  => \%sRating,
        List    => 'Bag',
    },
    ReleaseReady    => { Groups => { 2 => 'Other' }, Writable => 'boolean' },
    Season          => { Groups => { 2 => 'Video' }, Struct => \%sEpisode },
    Series          => { Groups => { 2 => 'Video' }, Struct => \%sSeries },
    StorylineIdentifier => { Groups => { 2 => 'Video' }, List => 'Bag' },
    StylePeriod     => { Groups => { 2 => 'Video' } },
    TemporalCoverage=> { Groups => { 2 => 'Video' }, Struct => \%sTemporalCoverage },
    WorkflowTag     => { Groups => { 2 => 'Video' }, Struct => \%sCVTermDetails },
    DataOnScreen    => { Groups => { 2 => 'Video' }, List => 'Bag', Struct => \%sTextRegion },
    Dopesheet       => { Groups => { 2 => 'Video' }, Writable => 'lang-alt' },
    DopesheetLink   => { Groups => { 2 => 'Video' }, List => 'Bag', Struct => \%sQualifiedLink },
    Headline        => { Groups => { 2 => 'Video' }, Writable => 'lang-alt', Avoid => 1 },
    PersonHeard     => { Groups => { 2 => 'Audio' }, List => 'Bag', Struct => \%sEntity },
    VideoShotType   => { Groups => { 2 => 'Video' }, List => 'Bag', Struct => \%sEntity },
    EventExt        => { Groups => { 2 => 'Video' }, List => 'Bag', Struct => \%sEntity, Name => 'ShownEvent' },
    Transcript      => { Groups => { 2 => 'Video' }, Writable => 'lang-alt' },
    TranscriptLink  => { Groups => { 2 => 'Video' }, List => 'Bag', Struct => \%sQualifiedLink },
    VisualColour    => {
        Name => 'VisualColor',
        Groups => { 2 => 'Video' },
        PrintConv => {
            'bw-monochrome' => 'Monochrome',
            'colour'        => 'Color',
        },
    },
    Contributor     => { List => 'Bag', Struct => \%sEntityWithRole },
    CopyrightYear   => { Groups => { 2 => 'Time' },  Writable => 'integer' },
    Creator         => { List => 'Bag', Struct => \%sEntityWithRole },
    SupplyChainSource => { Groups => { 2 => 'Other' }, List => 'Bag', Struct => \%sEntity },
    audioBitRate    => { Groups => { 2 => 'Audio' }, Writable => 'integer', Name => 'AudioBitrate' },
    audioBitRateMode=> {
        Name => 'AudioBitrateMode',
        Groups => { 2 => 'Audio' },
        PrintConv => {
            fixed => 'Fixed',
            variable => 'Variable',
        },
    },
    audioChannelCount       => { Groups => { 2 => 'Audio' }, Writable => 'integer' },
    videoDisplayAspectRatio => { Groups => { 2 => 'Audio' }, Writable => 'rational' },
    ContainerFormat         => { Groups => { 2 => 'Video' }, Struct => \%sEntity },
    StreamReady => {
        Groups => { 2 => 'Video' },
        PrintConv => {
            true => 'True',
            false => 'False',
            unknown => 'Unknown',
        },
    },
    videoBitRate     => { Groups => { 2 => 'Video' }, Writable => 'integer', Name => 'VideoBitrate' },
    videoBitRateMode => {
        Name => 'VideoBitrateMode',
        Groups => { 2 => 'Video' },
        PrintConv => {
            fixed => 'Fixed',
            variable => 'Variable',
        },
    },
    videoEncodingProfile => { Groups => { 2 => 'Video' } },
    videoStreamsCount    => { Groups => { 2 => 'Video' }, Writable => 'integer' },
    # new IPTC video metadata 1.1 properties
    # (ref https://www.iptc.org/std/videometadatahub/recommendation/IPTC-VideoMetadataHub-props-Rec_1.1.html)
    SnapshotLink => { Groups => { 2 => 'Image' }, List => 'Bag', Struct => \%sLinkedImage, Name => 'Snapshot' },
    # new IPTC video metadata 1.2 properties
    # (ref http://www.iptc.org/std/videometadatahub/recommendation/IPTC-VideoMetadataHub-props-Rec_1.2.html)
    RecDevice => {
        Groups => { 2 => 'Device' },
        Struct => {
            STRUCT_NAME => 'Device',
            NAMESPACE   => 'Iptc4xmpExt',
            Manufacturer        => { },
            ModelName           => { },
            SerialNumber        => { },
            AttLensDescription  => { },
            OwnersDeviceId      => { },
        },
    },
    PlanningRef         => { List => 'Bag', Struct => \%sEntityWithRole },
    audioBitsPerSample  => { Groups => { 2 => 'Audio' }, Writable => 'integer' },
    # new IPTC video metadata 1.3 properties
    # (ref https://iptc.org/std/videometadatahub/recommendation/IPTC-VideoMetadataHub-props-Rec_1.3.html)
    metadataLastEdited => { Groups => { 2 => 'Time' }, %dateTimeInfo },
    metadataLastEditor => { Struct => \%sEntity },
    metadataAuthority  => { Struct => \%sEntity },
    parentId           => { Name => 'ParentID' },
    # new IPTC Extension schema 1.5 property
    ImageRegion => { Groups => { 2 => 'Image' }, List => 'Bag', Struct => \%sImageRegion },
    # new Extension 1.6 property
    EventId     => { Name => 'EventID', List => 'Bag' },
);

#------------------------------------------------------------------------------
# PRISM
#
# NOTE: The "Avoid" flag is set for all PRISM tags (via tag table AVOID flag)

# my %obsolete = (
#     Notes => 'obsolete in 2.0',
#     ValueConvInv => sub {
#         my ($val, $self) = @_;
#         unless ($self->Options('IgnoreMinorErrors')) {
#             warn "Warning: [minor] Attempt to write obsolete tag\n";
#             return undef;
#         }
#         return $val;
#     }
# );

# PRISM structure definitions
my %prismPublicationDate = (
    STRUCT_NAME => 'prismPublicationDate',
    NAMESPACE   => 'prism',
    date        => { %dateTimeInfo, Groups => { 2 => 'Time'} },
    'a-platform'=> { },
);

# Publishing Requirements for Industry Standard Metadata (prism) (ref 2)
%Image::ExifTool::XMP::prism = (
    %xmpTableDefaults,
    GROUPS => { 0 => 'XMP', 1 => 'XMP-prism', 2 => 'Document' },
    NAMESPACE => 'prism',
    AVOID => 1,
    NOTES => q{
        Publishing Requirements for Industry Standard Metadata 3.0 namespace
        tags.  (see
        L<https://www.w3.org/Submission/2020/SUBM-prism-20200910/prism-basic.html>)
    },
    academicField   => { }, # (3.0)
    aggregateIssueNumber => { Writable => 'integer' }, # (3.0)
    aggregationType => { List => 'Bag' },
    alternateTitle  => {
        List => 'Bag',
        Struct => { # (becomes a structure in 3.0)
            STRUCT_NAME => 'prismAlternateTitle',
            NAMESPACE   => 'prism',
            text        => { },
            'a-platform'=> { },
            'a-lang'    => { },
        },
    },
    blogTitle       => { }, # (3.0)
    blogURL         => { }, # (3.0)
    bookEdition     => { }, # (3.0)
    byteCount       => { Writable => 'integer' },
    channel         => {
        List => 'Bag',
        Struct => { # (becomes a structure in 3.0)
            STRUCT_NAME => 'prismChannel',
            NAMESPACE   => 'prism',
            channel     => { },
            subchannel1 => { },
            subchannel2 => { },
            subchannel3 => { },
            subchannel4 => { },
            'a-lang'    => { },
        },
    },
    complianceProfile=>{ PrintConv => { three => 'Three' } },
    contentType     => { }, # (3.0)
    copyrightYear   => { }, # (3.0)
    # copyright       => { Groups => { 2 => 'Author' } }, # (deprecated in 3.0)
    corporateEntity => { List => 'Bag' },
    coverDate       => { %dateTimeInfo, Groups => { 2 => 'Time'} },
    coverDisplayDate=> { },
    creationDate    => { %dateTimeInfo, Groups => { 2 => 'Time'} },
    dateRecieved    => { %dateTimeInfo, Groups => { 2 => 'Time'} },
    device          => { }, # (3.0)
    distributor     => { },
    doi             => { Name => 'DOI', Description => 'Digital Object Identifier' },
    edition         => { },
    eIssn           => { },
    #embargoDate     => { List => 'Bag', %dateTimeInfo, Groups => { 2 => 'Time'} }, # (deprecated in 3.0)
    endingPage      => { },
    event           => { List => 'Bag' },
    #expirationDate  => { List => 'Bag', %dateTimeInfo, Groups => { 2 => 'Time'} }, # (deprecated in 3.0)
    genre           => { List => 'Bag' },
    hasAlternative  => { List => 'Bag' },
    hasCorrection   => {
        Struct => { # (becomes a structure in 3.0)
            STRUCT_NAME => 'prismHasCorrection',
            NAMESPACE   => 'prism',
            text        => { },
            'a-platform'=> { },
            'a-lang'    => { },
        },
    },
    # hasPreviousVersion => { }, # (not in 3.0)
    hasTranslation  => { List => 'Bag' },
    industry        => { List => 'Bag' },
    isAlternativeOf => { List => 'Bag' }, # (3.0)
    isbn            => { Name => 'ISBN', List => 'Bag' }, # 2.1 (becomes a list in 3.0)
    isCorrectionOf  => { List => 'Bag' },
    issn            => { Name => 'ISSN' },
    issueIdentifier => { },
    issueName       => { },
    issueTeaser     => { }, # (3.0)
    issueType       => { }, # (3.0)
    isTranslationOf => { },
    keyword         => { List => 'Bag' },
    killDate        => {
        Struct => { # (becomes a structure in 3.0)
            STRUCT_NAME => 'prismKillDate',
            NAMESPACE   => 'prism',
            date        => { %dateTimeInfo, Groups => { 2 => 'Time'} },
            'a-platform'=> { }, #PH (missed in spec?)
        },
    },
   'link'           => { List => 'Bag' }, # (3.0)
    location        => { List => 'Bag' },
    # metadataContainer => { }, (not valid for PRISM XMP)
    modificationDate=> { %dateTimeInfo, Groups => { 2 => 'Time'} },
    nationalCatalogNumber => { }, # (3.0)
    number          => { },
    object          => { List => 'Bag' },
    onSaleDate => { # (3.0)
        List => 'Bag',
        Struct => {
            STRUCT_NAME => 'prismOnSaleDate',
            NAMESPACE   => 'prism',
            date        => { %dateTimeInfo, Groups => { 2 => 'Time'} },
            'a-platform'=> { },
        },
    },
    onSaleDay => { # (3.0)
        List => 'Bag',
        Struct => {
            STRUCT_NAME => 'prismOnSaleDay',
            NAMESPACE   => 'prism',
            day         => { }, #PH (not named in spec)
            'a-platform'=> { },
        },
    },
    offSaleDate => { # (3.0)
        List => 'Bag',
        Struct => {
            STRUCT_NAME => 'prismOffSaleDate',
            NAMESPACE   => 'prism',
            date        => { %dateTimeInfo, Groups => { 2 => 'Time'} },
            'a-platform'=> { },
        },
    },
    organization    => { List => 'Bag' },
    originPlatform  => {
        List => 'Bag',
        PrintConv => {
            email       => 'E-Mail',
            mobile      => 'Mobile',
            broadcast   => 'Broadcast',
            web         => 'Web',
           'print'      => 'Print',
            recordableMedia => 'Recordable Media',
            other       => 'Other',
        },
    },
    pageCount       => { Writable => 'integer' }, # (3.0)
    pageProgressionDirection => { # (3.0)
        PrintConv => { LTR => 'Left to Right', RTL => 'Right to Left' },
    },
    pageRange       => { List => 'Bag' },
    person          => { },
    platform        => { }, # (3.0)
    productCode     => { }, # (3.0)
    profession      => { }, # (3.0)
    publicationDate => {
        List => 'Bag',
        Struct => \%prismPublicationDate, # (becomes a structure in 3.0)
    },
    publicationDisplayDate => { # (3.0)
        List => 'Bag',
        Struct => \%prismPublicationDate,
    },
    publicationName => { },
    publishingFrequency => { }, # (3.0)
    rating          => { },
    # rightsAgent     => { }, # (deprecated in 3.0)
    samplePageRange => { }, # (3.0)
    section         => { },
    sellingAgency   => { }, # (3.0)
    seriesNumber    => { Writable => 'integer' }, # (3.0)
    seriesTitle     => { }, # (3.0)
    sport           => { }, # (3.0)
    startingPage    => { },
    subsection1     => { },
    subsection2     => { },
    subsection3     => { },
    subsection4     => { },
    subtitle        => { }, # (3.0)
    supplementDisplayID => { }, # (3.0)
    supplementStartingPage => { }, # (3.0)
    supplementTitle => { }, # (3.0)
    teaser          => { List => 'Bag' },
    ticker          => { List => 'Bag' },
    timePeriod      => { },
    url             => {
        Name => 'URL',
        List => 'Bag',
        Struct => { # (becomes a structure in 3.0)
            STRUCT_NAME => 'prismUrl',
            NAMESPACE   => 'prism',
            url         => { },
            'a-platform'=> { },
        },
    },
    uspsNumber      => { }, # (3.0)
    versionIdentifier => { },
    volume          => { },
    wordCount       => { Writable => 'integer' },
# tags that existed in version 1.3
#    category        => { %obsolete, List => 'Bag' },
#    hasFormat       => { %obsolete, List => 'Bag' },
#    hasPart         => { %obsolete, List => 'Bag' },
#    isFormatOf      => { %obsolete, List => 'Bag' },
#    isPartOf        => { %obsolete },
#    isReferencedBy  => { %obsolete, List => 'Bag' },
#    isRequiredBy    => { %obsolete, List => 'Bag' },
#    isVersionOf     => { %obsolete },
#    objectTitle     => { %obsolete, List => 'Bag' },
#    receptionDate   => { %obsolete },
#    references      => { %obsolete, List => 'Bag' },
#    requires        => { %obsolete, List => 'Bag' },
# tags in older versions
#    page
#    contentLength
#    creationTime
#    expirationTime
#    hasVersion
#    isAlternativeFor
#    isBasedOn
#    isBasisFor
#    modificationTime
#    publicationTime
#    receptionTime
#    releaseTime
);

# PRISM Rights Language namespace (prl) (ref 2)
%Image::ExifTool::XMP::prl = (
    %xmpTableDefaults,
    GROUPS => { 0 => 'XMP', 1 => 'XMP-prl', 2 => 'Document' },
    NAMESPACE => 'prl',
    AVOID => 1,
    NOTES => q{
        PRISM Rights Language 2.1 namespace tags.  These tags have been deprecated
        since the release of the PRISM Usage Rights 3.0. (see
        L<https://www.w3.org/submissions/2020/SUBM-prism-20200910/prism-image.html>)
    },
    geography       => { List => 'Bag' },
    industry        => { List => 'Bag' },
    usage           => { List => 'Bag' },
);

# PRISM Usage Rights namespace (prismusagerights) (ref 2)
%Image::ExifTool::XMP::pur = (
    %xmpTableDefaults,
    GROUPS => { 0 => 'XMP', 1 => 'XMP-pur', 2 => 'Document' },
    NAMESPACE => 'pur',
    AVOID => 1,
    NOTES => q{
        PRISM Usage Rights 3.0 namespace tags.  (see
        L<http://www.prismstandard.org/>)
    },
    adultContentWarning => { List => 'Bag' },
    agreement           => { List => 'Bag' },
    copyright           => {
        # (not clear in 3.0 spec, which lists only "bag Text", and called
        #  "copyrightDate" instead of "copyright" the PRISM basic 3.0 spec)
        Writable => 'lang-alt',
        Groups => { 2 => 'Author' },
    },
    creditLine          => { List => 'Bag' },
    embargoDate         => { List => 'Bag', %dateTimeInfo, Groups => { 2 => 'Time'} },
    exclusivityEndDate  => { List => 'Bag', %dateTimeInfo, Groups => { 2 => 'Time'} },
    expirationDate      => { List => 'Bag', %dateTimeInfo, Groups => { 2 => 'Time'} },
    imageSizeRestriction=> { },
    optionEndDate       => { List => 'Bag', %dateTimeInfo, Groups => { 2 => 'Time'} },
    permissions         => { List => 'Bag' },
    restrictions        => { List => 'Bag' },
    reuseProhibited     => { Writable => 'boolean' },
    rightsAgent         => { },
    rightsOwner         => { },
    # usageFee            => { List => 'Bag' }, # (not in 3.0)
);

# PRISM Metadata for Images namespace (pmi) (ref 2)
%Image::ExifTool::XMP::pmi = (
    %xmpTableDefaults,
    GROUPS => { 0 => 'XMP', 1 => 'XMP-pmi', 2 => 'Image' },
    NAMESPACE => 'pmi',
    AVOID => 1,
    NOTES => q{
        PRISM Metadata for Images 3.0 namespace tags.  (see
        L<http://www.prismstandard.org/>)
    },
    color => {
        PrintConv => {
            bw => 'BW',
            color => 'Color',
            sepia => 'Sepia',
            duotone => 'Duotone',
            tritone => 'Tritone',
            quadtone => 'Quadtone',
        },
    },
    contactInfo     => { },
    displayName     => { },
    distributorProductID => { },
    eventAlias      => { },
    eventEnd        => { },
    eventStart      => { },
    eventSubtype    => { },
    eventType       => { },
    field           => { },
    framing         => { },
    location        => { },
    make            => { },
    manufacturer    => { },
    model           => { },
    modelYear       => { },
    objectDescription=>{ },
    objectSubtype   => { },
    objectType      => { },
    orientation => {
        PrintConv => {
            horizontal => 'Horizontal',
            vertical => 'Vertical',
        }
    },
    positionDescriptor => { },
    productID       => { },
    productIDType   => { },
    season => {
        PrintConv => {
            spring => 'Spring',
            summer => 'Summer',
            fall => 'Fall',
            winter => 'Winter',
        },
    },
    sequenceName    => { },
    sequenceNumber  => { },
    sequenceTotalNumber => { },
    setting         => { },
    shootID         => { },
    slideshowName   => { },
    slideshowNumber => { Writable => 'integer' },
    slideshowTotalNumber => { Writable => 'integer' },
    viewpoint       => { },
    visualTechnique => { },
);

# PRISM Recipe Metadata (prm) (ref 2)
%Image::ExifTool::XMP::prm = (
    %xmpTableDefaults,
    GROUPS => { 0 => 'XMP', 1 => 'XMP-prm', 2 => 'Document' },
    NAMESPACE => 'prm',
    AVOID => 1,
    NOTES => q{
        PRISM Recipe Metadata 3.0 namespace tags.  (see
        L<http://www.prismstandard.org/>)
    },
    cookingEquipment    => { },
    cookingMethod       => { },
    course              => { },
    cuisine             => { },
    dietaryNeeds        => { },
    dishType            => { },
    duration            => { },
    ingredientExclusion => { },
    mainIngredient      => { },
    meal                => { },
    recipeEndingPage    => { },
    recipePageRange     => { },
    recipeSource        => { },
    recipeStartingPage  => { },
    recipeTitle         => { },
    servingSize         => { },
    skillLevel          => { },
    specialOccasion     => { },
    yield               => { },
);

#------------------------------------------------------------------------------

# DICOM namespace properties (DICOM) (ref PH, written by CS3)
%Image::ExifTool::XMP::DICOM = (
    %xmpTableDefaults,
    GROUPS => { 1 => 'XMP-DICOM', 2 => 'Image' },
    NAMESPACE => 'DICOM',
    NOTES => q{
        DICOM namespace tags.  These XMP tags allow some DICOM information to be
        stored in files of other than DICOM format.  See the
        L<DICOM Tags documentation|Image::ExifTool::TagNames/DICOM Tags> for a list
        of tags available in DICOM-format files.
    },
    # change some tag names to correspond with DICOM tags
    PatientName             => { },
    PatientID               => { },
    PatientSex              => { },
    PatientDOB => {
        Name => 'PatientBirthDate',
        Groups => { 2 => 'Time' },
        %dateTimeInfo,
    },
    StudyID                 => { },
    StudyPhysician          => { },
    StudyDateTime           => { Groups => { 2 => 'Time' }, %dateTimeInfo },
    StudyDescription        => { },
    SeriesNumber            => { },
    SeriesModality          => { },
    SeriesDateTime          => { Groups => { 2 => 'Time' }, %dateTimeInfo },
    SeriesDescription       => { },
    EquipmentInstitution    => { },
    EquipmentManufacturer   => { },
);

# PixelLive namespace properties (PixelLive) (ref 3)
%Image::ExifTool::XMP::PixelLive = (
    GROUPS => { 1 => 'XMP-PixelLive', 2 => 'Image' },
    NAMESPACE => 'PixelLive',
    AVOID => 1,
    NOTES => q{
        PixelLive namespace tags.  These tags are not writable because they are very
        uncommon and I haven't been able to locate a reference which gives the
        namespace URI.
    },
    AUTHOR    => { Name => 'Author',    Groups => { 2 => 'Author' } },
    COMMENTS  => { Name => 'Comments' },
    COPYRIGHT => { Name => 'Copyright', Groups => { 2 => 'Author' } },
    DATE      => { Name => 'Date',      Groups => { 2 => 'Time' } },
    GENRE     => { Name => 'Genre' },
    TITLE     => { Name => 'Title' },
);

# Extensis Portfolio tags (extensis) (ref 11)
%Image::ExifTool::XMP::extensis = (
    %xmpTableDefaults,
    GROUPS => { 1 => 'XMP-extensis', 2 => 'Image' },
    NAMESPACE => 'extensis',
    NOTES => 'Tags used by Extensis Portfolio.',
    Approved     => { Writable => 'boolean' },
    ApprovedBy   => { },
    ClientName   => { },
    JobName      => { },
    JobStatus    => { },
    RoutedTo     => { },
    RoutingNotes => { },
    WorkToDo     => { },
);

# IDimager structures (ref PH)
my %sTagStruct;
%sTagStruct = (
    STRUCT_NAME => 'TagStructure',
    NAMESPACE => 'ics',
    LabelName => { },
    Reference => { },
    ParentReference => { },
    SubLabels => { Struct => \%sTagStruct, List => 'Bag' },
);
my %sSubVersion = (
    STRUCT_NAME => 'SubVersion',
    NAMESPACE => 'ics',
    VersRef => { },
    FileName => { },
);

# IDimager namespace (ics) (ref PH)
%Image::ExifTool::XMP::ics = (
    %xmpTableDefaults,
    GROUPS => { 0 => 'XMP', 1 => 'XMP-ics', 2 => 'Image' },
    NAMESPACE => 'ics',
    NOTES => q{
        Tags used by IDimager.  Nested TagStructure structures are unrolled to an
        arbitrary depth of 6 to avoid infinite recursion.
    },
    ImageRef => { },
    TagStructure => { Struct => \%sTagStruct, List => 'Bag' },
    TagStructureLabelName => { Name => 'LabelName1', Flat => 1 },
    TagStructureReference => { Name => 'Reference1', Flat => 1 },
    TagStructureSubLabels => { Name => 'SubLabels1', Flat => 1 },
    TagStructureParentReference => { Name => 'ParentReference1', Flat => 1 },
    TagStructureSubLabelsLabelName => { Name => 'LabelName2', Flat => 1 },
    TagStructureSubLabelsReference => { Name => 'Reference2', Flat => 1 },
    TagStructureSubLabelsSubLabels => { Name => 'SubLabels2', Flat => 1 },
    TagStructureSubLabelsParentReference => { Name => 'ParentReference2', Flat => 1 },
    TagStructureSubLabelsSubLabelsLabelName => { Name => 'LabelName3', Flat => 1 },
    TagStructureSubLabelsSubLabelsReference => { Name => 'Reference3', Flat => 1 },
    TagStructureSubLabelsSubLabelsSubLabels => { Name => 'SubLabels3', Flat => 1 },
    TagStructureSubLabelsSubLabelsParentReference => { Name => 'ParentReference3', Flat => 1 },
    TagStructureSubLabelsSubLabelsSubLabelsLabelName => { Name => 'LabelName4', Flat => 1 },
    TagStructureSubLabelsSubLabelsSubLabelsReference => { Name => 'Reference4', Flat => 1 },
    TagStructureSubLabelsSubLabelsSubLabelsSubLabels => { Name => 'SubLabels4', Flat => 1 },
    TagStructureSubLabelsSubLabelsSubLabelsParentReference => { Name => 'ParentReference4', Flat => 1 },
    TagStructureSubLabelsSubLabelsSubLabelsSubLabelsLabelName => { Name => 'LabelName5', Flat => 1 },
    TagStructureSubLabelsSubLabelsSubLabelsSubLabelsReference => { Name => 'Reference5', Flat => 1 },
    TagStructureSubLabelsSubLabelsSubLabelsSubLabelsSubLabels => { Name => 'SubLabels5', Flat => 1, NoSubStruct => 1 }, # break infinite recursion
    TagStructureSubLabelsSubLabelsSubLabelsSubLabelsParentReference => { Name => 'ParentReference5', Flat => 1 },
    TagStructureSubLabelsSubLabelsSubLabelsSubLabelsSubLabelsLabelName => { Name => 'LabelName6', Flat => 1 },
    TagStructureSubLabelsSubLabelsSubLabelsSubLabelsSubLabelsReference => { Name => 'Reference6', Flat => 1 },
    TagStructureSubLabelsSubLabelsSubLabelsSubLabelsSubLabelsParentReference => { Name => 'ParentReference6', Flat => 1 },
    SubVersions => { Struct => \%sSubVersion, List => 'Bag' },
    SubVersionsVersRef => { Name => 'SubVersionReference', Flat => 1 },
    SubVersionsFileName => { Name => 'SubVersionFileName', Flat => 1 },
    TimeStamp  => { Avoid => 1, Groups => { 2 => 'Time' }, %dateTimeInfo },
    AppVersion => { Avoid => 1 },
);

# ACDSee namespace (acdsee) (ref PH)
%Image::ExifTool::XMP::acdsee = (
    %xmpTableDefaults,
    GROUPS => { 0 => 'XMP', 1 => 'XMP-acdsee', 2 => 'Image' },
    NAMESPACE => 'acdsee',
    AVOID => 1,
    NOTES => q{
        ACD Systems ACDSee namespace tags.

        (A note to software developers: Re-inventing your own private tags instead
        of using the equivalent tags in standard XMP namespaces defeats one of the
        most valuable features of metadata: interoperability.  Your applications
        mumble to themselves instead of speaking out for the rest of the world to
        hear.)
    },
    author     => { Groups => { 2 => 'Author' } },
    caption    => { },
    categories => { },
    collections=> { },
    datetime   => { Name => 'DateTime', Groups => { 2 => 'Time' }, %dateTimeInfo },
    keywords   => { List => 'Bag' },
    notes      => { },
    rating     => { Writable => 'real' }, # integer?
    tagged     => { Writable => 'boolean' },
    rawrppused => { Writable => 'boolean' },
    rpp => {
        Name => 'RPP',
        Writable => 'lang-alt',
        Notes => 'raw processing settings in XML format',
        Binary => 1,
    },
    dpp => {
        Name => 'DPP',
        Writable => 'lang-alt',
        Notes => 'newer version of XML raw processing settings',
        Binary => 1,
    },
    # more tags (ref forum6840)
    FixtureIdentifier   => { },
    EditStatus          => { },
    ReleaseDate         => { },
    ReleaseTime         => { },
    OriginatingProgram  => { },
    ObjectCycle         => { },
    Snapshots           => { List => 'Bag', Binary => 1 },
);

# ACDSee region tags (ref BKW)
my %sACDSeeDimensions = (
    STRUCT_NAME => 'ACDSeeDimensions',
    NAMESPACE   => {'acdsee-stDim' => 'http://ns.acdsee.com/sType/Dimensions#'},
    'w'         => { Writable => 'real' },
    'h'         => { Writable => 'real' },
    'unit'      => { },
);
my %sACDSeeArea = (
    STRUCT_NAME => 'ACDSeeArea',
    NAMESPACE => { 'acdsee-stArea' => 'http://ns.acdsee.com/sType/Area#' },
    'x'     => { Writable => 'real' },
    'y'     => { Writable => 'real' },
    w       => { Writable => 'real' },
    h       => { Writable => 'real' },
);
my %sACDSeeRegionStruct = (
    STRUCT_NAME     => 'ACDSeeRegion',
    NAMESPACE       => 'acdsee-rs',
    ALGArea         => { Struct => \%sACDSeeArea },
    DLYArea         => { Struct => \%sACDSeeArea },
    Name            => { },
    NameAssignType  => { },
    Type            => { },
);
%Image::ExifTool::XMP::ACDSeeRegions = (
    GROUPS => { 0 => 'XMP', 1 => 'XMP-acdsee-rs', 2 => 'Image' },
    NAMESPACE => 'acdsee-rs',
    WRITABLE => 'string',
    AVOID => 1,
    Regions => {
        Name => 'RegionInfoACDSee',
        FlatName => 'ACDSee',
        # the "Struct" entry defines the structure fields
        Struct => {
            # optional structure name (used for warning messages only)
            STRUCT_NAME => 'ACDSeeRegionInfo',
            NAMESPACE   => 'acdsee-rs',
            RegionList => {
                FlatName => 'Region',
                Struct => \%sACDSeeRegionStruct,
                List => 'Bag',
            },
            AppliedToDimensions => {
                FlatName => 'RegionAppliedToDimensions',
                Struct => \%sACDSeeDimensions,
            },
        },
    },
);

# Picture Licensing Universal System namespace properties (xmpPLUS)
%Image::ExifTool::XMP::xmpPLUS = (
    %xmpTableDefaults,
    GROUPS => { 1 => 'XMP-xmpPLUS', 2 => 'Author' },
    NAMESPACE => 'xmpPLUS',
    AVOID => 1,
    NOTES => q{
        XMP Picture Licensing Universal System (PLUS) tags as written by some older
        Adobe applications.  See L<PLUS XMP Tags|Image::ExifTool::TagNames/PLUS XMP Tags>
        for the current PLUS tags.
    },
    CreditLineReq   => { Writable => 'boolean' },
    ReuseAllowed    => { Writable => 'boolean' },
);

%Image::ExifTool::XMP::panorama = (
    %xmpTableDefaults,
    GROUPS => { 1 => 'XMP-panorama', 2 => 'Image' },
    NAMESPACE => 'panorama',
    NOTES => 'Adobe Photoshop Panorama-profile tags.',
    Transformation      => { },
    VirtualFocalLength  => { Writable => 'real' },
    VirtualImageXCenter => { Writable => 'real' },
    VirtualImageYCenter => { Writable => 'real' },
);

# Creative Commons namespace properties (cc) (ref 5)
%Image::ExifTool::XMP::cc = (
    %xmpTableDefaults,
    GROUPS => { 1 => 'XMP-cc', 2 => 'Author' },
    NAMESPACE => 'cc',
    NOTES => q{
        Creative Commons namespace tags.  Note that the CC specification for XMP is
        non-existent, so ExifTool must make some assumptions about the format of the
        specific properties in XMP (see L<http://creativecommons.org/ns>).
    },
    # Work properties
    license         => { Resource => 1 },
    attributionName => { },
    attributionURL  => { Resource => 1 },
    morePermissions => { Resource => 1 },
    useGuidelines   => { Resource => 1 },
    # License properties
    permits => {
        List => 'Bag',
        Resource => 1,
        PrintConv => {
            'cc:Sharing' => 'Sharing',
            'cc:DerivativeWorks' => 'Derivative Works',
            'cc:Reproduction' => 'Reproduction',
            'cc:Distribution' => 'Distribution',
        },
    },
    requires => {
        List => 'Bag',
        Resource => 1,
        PrintConv => {
            'cc:Copyleft' => 'Copyleft',
            'cc:LesserCopyleft' => 'Lesser Copyleft',
            'cc:SourceCode' => 'Source Code',
            'cc:ShareAlike' => 'Share Alike',
            'cc:Notice' => 'Notice',
            'cc:Attribution' => 'Attribution',
        },
    },
    prohibits => {
        List => 'Bag',
        Resource => 1,
        PrintConv => {
            'cc:HighIncomeNationUse' => 'High Income Nation Use',
            'cc:CommercialUse' => 'Commercial Use',
        },
    },
    jurisdiction    => { Resource => 1 },
    legalcode       => { Name => 'LegalCode', Resource => 1 },
    deprecatedOn    => { %dateTimeInfo, Groups => { 2 => 'Time' } },
);

# Description Explorer namespace properties (dex) (ref 6)
%Image::ExifTool::XMP::dex = (
    %xmpTableDefaults,
    GROUPS => { 1 => 'XMP-dex', 2 => 'Image' },
    NAMESPACE => 'dex',
    NOTES => q{
        Description Explorer namespace tags.  These tags are not very common.  The
        Source and Rating tags are avoided when writing due to name conflicts with
        other XMP tags.  (see L<http://www.optimasc.com/products/fileid/>)
    },
    crc32       => { Name => 'CRC32', Writable => 'integer' },
    source      => { Avoid => 1 },
    shortdescription => {
        Name => 'ShortDescription',
        Writable => 'lang-alt',
    },
    licensetype => {
        Name => 'LicenseType',
        PrintConv => {
            unknown        => 'Unknown',
            shareware      => 'Shareware',
            freeware       => 'Freeware',
            adware         => 'Adware',
            demo           => 'Demo',
            commercial     => 'Commercial',
           'public domain' => 'Public Domain',
           'open source'   => 'Open Source',
        },
    },
    revision    => { },
    rating      => { Avoid => 1 },
    os          => { Name => 'OS', Writable => 'integer' },
    ffid        => { Name => 'FFID' },
);

# iView MediaPro namespace properties (mediapro) (ref PH)
%Image::ExifTool::XMP::MediaPro = (
    %xmpTableDefaults,
    GROUPS => { 1 => 'XMP-mediapro', 2 => 'Image' },
    NAMESPACE => 'mediapro',
    NOTES => 'iView MediaPro namespace tags.',
    Event       => {
        Avoid => 1,
        Notes => 'avoided due to conflict with XMP-iptcExt:Event',
    },
    Location    => {
        Avoid => 1,
        Groups => { 2 => 'Location' },
        Notes => 'avoided due to conflict with XMP-iptcCore:Location',
    },
    Status      => { },
    People      => { List => 'Bag' },
    UserFields  => { List => 'Bag' },
    CatalogSets => { List => 'Bag' },
);

# Microsoft ExpressionMedia namespace properties (expressionmedia)
# (ref https://exiftool.org/forum/index.php/topic,4235.0.html)
%Image::ExifTool::XMP::ExpressionMedia = (
    %xmpTableDefaults,
    GROUPS => { 1 => 'XMP-expressionmedia', 2 => 'Image' },
    NAMESPACE => 'expressionmedia',
    AVOID => 1,
    NOTES => q{
        Microsoft Expression Media namespace tags.  These tags are avoided when
        writing due to name conflicts with tags in other schemas.
    },
    Event       => { },
    Status      => { },
    People      => { List => 'Bag' },
    CatalogSets => { List => 'Bag' },
);

# DigiKam namespace tags (ref PH)
%Image::ExifTool::XMP::digiKam = (
    %xmpTableDefaults,
    GROUPS => { 1 => 'XMP-digiKam', 2 => 'Image' },
    NAMESPACE => 'digiKam',
    NOTES => 'DigiKam namespace tags.',
    CaptionsAuthorNames    => { Writable => 'lang-alt' },
    CaptionsDateTimeStamps => { Writable => 'lang-alt', Groups => { 2 => 'Time' } },
    TagsList               => { List => 'Seq' },
    ColorLabel             => { },
    PickLabel              => { },
    ImageHistory           => { Avoid => 1, Notes => 'different format from EXIF:ImageHistory' },
    LensCorrectionSettings => { },
    ImageUniqueID          => { Avoid => 1 },
    picasawebGPhotoId      => { }, #forum14108
);

# SWF namespace tags (ref PH)
%Image::ExifTool::XMP::swf = (
    %xmpTableDefaults,
    GROUPS => { 1 => 'XMP-swf', 2 => 'Image' },
    NAMESPACE => 'swf',
    NOTES => 'Adobe SWF namespace tags.',
    type         => { Avoid => 1 },
    bgalpha      => { Name => 'BackgroundAlpha', Writable => 'integer' },
    forwardlock  => { Name => 'ForwardLock',     Writable => 'boolean' },
    maxstorage   => { Name => 'MaxStorage',      Writable => 'integer' }, # (CS5)
);

# Sony Ericsson cell phone location tags
# refs: http://www.opencellid.org/api
# http://zonetag.research.yahoo.com/faq_location.php
# http://www.cs.columbia.edu/sip/drafts/LIF%20TS%20101%20v2.0.0.pdf
%Image::ExifTool::XMP::cell = (
    %xmpTableDefaults,
    GROUPS => { 1 => 'XMP-cell', 2 => 'Location' },
    NAMESPACE => 'cell',
    NOTES => 'Location tags written by some Sony Ericsson phones.',
    mcc     => { Name => 'MobileCountryCode' },
    mnc     => { Name => 'MobileNetworkCode' },
    lac     => { Name => 'LocationAreaCode' },
    cellid  => { Name => 'CellTowerID' },
    cgi     => { Name => 'CellGlobalID' },
    r       => { Name => 'CellR' }, # (what is this? Radius?)
);

# Apple adjustment settings (ref PH)
%Image::ExifTool::XMP::aas = (
    %xmpTableDefaults,
    GROUPS => { 1 => 'XMP-aas', 2 => 'Image' },
    NAMESPACE => 'aas',
    NOTES => 'Apple Adjustment Settings used by iPhone/iPad.',
    CropX      => { Writable => 'integer', Avoid => 1 },
    CropY      => { Writable => 'integer', Avoid => 1 },
    CropW      => { Writable => 'integer', Avoid => 1 },
    CropH      => { Writable => 'integer', Avoid => 1 },
    AffineA    => { Writable => 'real' },
    AffineB    => { Writable => 'real' },
    AffineC    => { Writable => 'real' },
    AffineD    => { Writable => 'real' },
    AffineX    => { Writable => 'real' },
    AffineY    => { Writable => 'real' },
    Vibrance   => { Writable => 'real', Avoid => 1 },
    Curve0x    => { Writable => 'real' },
    Curve0y    => { Writable => 'real' },
    Curve1x    => { Writable => 'real' },
    Curve1y    => { Writable => 'real' },
    Curve2x    => { Writable => 'real' },
    Curve2y    => { Writable => 'real' },
    Curve3x    => { Writable => 'real' },
    Curve3y    => { Writable => 'real' },
    Curve4x    => { Writable => 'real' },
    Curve4y    => { Writable => 'real' },
    Shadows    => { Writable => 'real', Avoid => 1 },
    Highlights => { Writable => 'real', Avoid => 1 },
    # the following from StarGeek
    FaceBalanceOrigI    => { Writable => 'real' },
    FaceBalanceOrigQ    => { Writable => 'real' },
    FaceBalanceStrength => { Writable => 'real' },
    FaceBalanceWarmth   => { Writable => 'real' },
);

# Adobe creatorAtom properties (ref PH)
%Image::ExifTool::XMP::creatorAtom = (
    %xmpTableDefaults,
    GROUPS => { 1 => 'XMP-creatorAtom', 2 => 'Image' },
    NAMESPACE => 'creatorAtom',
    NOTES => 'Adobe creatorAtom tags, written by After Effects.',
    macAtom => {
        Struct => {
            STRUCT_NAME => 'MacAtom',
            NAMESPACE   => 'creatorAtom',
            applicationCode      => { },
            invocationAppleEvent => { },
            posixProjectPath     => { },
        },
    },
    windowsAtom => {
        Struct => {
            STRUCT_NAME => 'WindowsAtom',
            NAMESPACE   => 'creatorAtom',
            extension       => { },
            invocationFlags => { },
            uncProjectPath  => { },
        },
    },
    aeProjectLink => { # (After Effects Project Link)
        Struct => {
            STRUCT_NAME => 'AEProjectLink',
            NAMESPACE   => 'creatorAtom',
            renderTimeStamp         => { Writable => 'integer' },
            compositionID           => { },
            renderQueueItemID       => { },
            renderOutputModuleIndex => { },
            fullPath                => { },
        },
    },
);

# FastPictureViewer namespace properties (http://www.fastpictureviewer.com/help/#rtfcomments)
%Image::ExifTool::XMP::fpv = (
    %xmpTableDefaults,
    GROUPS => { 1 => 'XMP-fpv', 2 => 'Image' },
    NAMESPACE => 'fpv',
    NOTES => q{
        Fast Picture Viewer tags (see
        L<http://www.fastpictureviewer.com/help/#rtfcomments>).
    },
    RichTextComment => { },
);

# Apple FaceInfo namespace properties (ref PH)
%Image::ExifTool::XMP::apple_fi = (
    %xmpTableDefaults,
    GROUPS => { 1 => 'XMP-apple-fi', 2 => 'Image' },
    NAMESPACE => 'apple-fi',
    NOTES => q{
        Face information tags written by the Apple iPhone 5 inside the mwg-rs
        RegionExtensions.
    },
    Timestamp => {
        Name => 'TimeStamp',
        Writable => 'integer',
        # (don't know how to convert this)
    },
    FaceID          => { Writable => 'integer' },
    AngleInfoRoll   => { Writable => 'integer' },
    AngleInfoYaw    => { Writable => 'integer' },
    ConfidenceLevel => { Writable => 'integer' },
);

# Google audio namespace
%Image::ExifTool::XMP::GAudio = (
    %xmpTableDefaults,
    GROUPS => { 1 => 'XMP-GAudio', 2 => 'Audio' },
    NAMESPACE => 'GAudio',
    Data => {
        Name => 'AudioData',
        ValueConv => 'Image::ExifTool::XMP::DecodeBase64($val)',
        ValueConvInv => 'Image::ExifTool::XMP::EncodeBase64($val)',
    },
    Mime => { Name => 'AudioMimeType' },
);

# Google image namespace
%Image::ExifTool::XMP::GImage = (
    %xmpTableDefaults,
    GROUPS => { 1 => 'XMP-GImage', 2 => 'Image' },
    NAMESPACE => 'GImage',
    Data => {
        Name => 'ImageData',
        ValueConv => 'Image::ExifTool::XMP::DecodeBase64($val)',
        ValueConvInv => 'Image::ExifTool::XMP::EncodeBase64($val)',
    },
    Mime => { Name => 'ImageMimeType' },
);

# Google panorama namespace properties
# (ref https://exiftool.org/forum/index.php/topic,4569.0.html)
%Image::ExifTool::XMP::GPano = (
    %xmpTableDefaults,
    GROUPS => { 1 => 'XMP-GPano', 2 => 'Image' },
    NAMESPACE => 'GPano',
    NOTES => q{
        Panorama tags written by Google Photosphere. See
        L<https://developers.google.com/panorama/metadata/> for the specification.
    },
    UsePanoramaViewer               => { Writable => 'boolean' },
    CaptureSoftware                 => { },
    StitchingSoftware               => { },
    ProjectionType                  => { },
    PoseHeadingDegrees              => { Writable => 'real' },
    PosePitchDegrees                => { Writable => 'real' },
    PoseRollDegrees                 => { Writable => 'real' },
    InitialViewHeadingDegrees       => { Writable => 'real' },
    InitialViewPitchDegrees         => { Writable => 'real' },
    InitialViewRollDegrees          => { Writable => 'real' },
    InitialHorizontalFOVDegrees     => { Writable => 'real' },
    InitialVerticalFOVDegrees       => { Writable => 'real' },
    FirstPhotoDate                  => { %dateTimeInfo, Groups => { 2 => 'Time' } },
    LastPhotoDate                   => { %dateTimeInfo, Groups => { 2 => 'Time' } },
    SourcePhotosCount               => { Writable => 'integer' },
    ExposureLockUsed                => { Writable => 'boolean' },
    CroppedAreaImageWidthPixels     => { Writable => 'real' },
    CroppedAreaImageHeightPixels    => { Writable => 'real' },
    FullPanoWidthPixels             => { Writable => 'real' },
    FullPanoHeightPixels            => { Writable => 'real' },
    CroppedAreaLeftPixels           => { Writable => 'real' },
    CroppedAreaTopPixels            => { Writable => 'real' },
    InitialCameraDolly              => { Writable => 'real' },
    # (the following have been observed, but are not in the specification)
    LargestValidInteriorRectLeft    => { Writable => 'real' },
    LargestValidInteriorRectTop     => { Writable => 'real' },
    LargestValidInteriorRectWidth   => { Writable => 'real' },
    LargestValidInteriorRectHeight  => { Writable => 'real' },
);

# Google Spherical Images namespace (ref https://github.com/google/spatial-media/blob/master/docs/spherical-video-rfc.md)
%Image::ExifTool::XMP::GSpherical = (
    %xmpTableDefaults,
    GROUPS => { 1 => 'XMP-GSpherical', 2 => 'Image' },
    WRITE_GROUP => 'GSpherical', # write in special location for video files
    NAMESPACE => 'GSpherical',
    AVOID => 1,
    NOTES => q{
        Not actually XMP.  These RDF/XML tags are used in Google spherical MP4
        videos.  These tags are written into the video track of MOV/MP4 files, and
        not at the top level like other XMP tags.  See
        L<https://github.com/google/spatial-media/blob/master/docs/spherical-video-rfc.md>
        for the specification.
    },
    # (avoid due to conflicts with XMP-GPano tags)
    Spherical                   => { Writable => 'boolean' },
    Stitched                    => { Writable => 'boolean' },
    StitchingSoftware           => { },
    ProjectionType              => { },
    StereoMode                  => { },
    SourceCount                 => { Writable => 'integer' },
    InitialViewHeadingDegrees   => { Writable => 'real' },
    InitialViewPitchDegrees     => { Writable => 'real' },
    InitialViewRollDegrees      => { Writable => 'real' },
    Timestamp                   => {
        Name => 'TimeStamp',
        Groups => { 2 => 'Time' },
        Writable => 'integer',
        Shift => 'Time',
        ValueConv => 'ConvertUnixTime($val)', #(NC)
        ValueConvInv => 'GetUnixTime($val)',
        PrintConv => '$self->ConvertDateTime($val)',
        PrintConvInv => '$self->InverseDateTime($val)',
    },
    FullPanoWidthPixels         => { Writable => 'integer' },
    FullPanoHeightPixels        => { Writable => 'integer' },
    CroppedAreaImageWidthPixels => { Writable => 'integer' },
    CroppedAreaImageHeightPixels=> { Writable => 'integer' },
    CroppedAreaLeftPixels       => { Writable => 'integer' },
    CroppedAreaTopPixels        => { Writable => 'integer' },
);

# Google depthmap information (ref https://developers.google.com/depthmap-metadata/reference)
%Image::ExifTool::XMP::GDepth = (
    GROUPS      => { 0 => 'XMP', 1 => 'XMP-GDepth', 2 => 'Image' },
    NAMESPACE   => 'GDepth',
    AVOID       => 1, # (too many potential tag name conflicts)
    NOTES       => q{
        Google depthmap information. See
        L<https://developers.google.com/depthmap-metadata/> for the specification.
    },
    WRITABLE    => 'string', # (default to string-type tags)
    PRIORITY    => 0,
    Format => {
        PrintConv => {
            RangeInverse => 'RangeInverse',
            RangeLinear  => 'RangeLinear',
        },
    },
    Near        => { Writable => 'real' },
    Far         => { Writable => 'real' },
    Mime        => { },
    Data => {
        Name => 'DepthImage',
        ValueConv => 'Image::ExifTool::XMP::DecodeBase64($val)',
        ValueConvInv => 'Image::ExifTool::XMP::EncodeBase64($val)',
    },
    Units       => { },
    MeasureType => {
        PrintConv => {
            OpticalAxis => 'OpticalAxis',
            OpticalRay  => 'OpticalRay',
        },
    },
    ConfidenceMime  => { },
    Confidence => {
        ValueConv => 'Image::ExifTool::XMP::DecodeBase64($val)',
        ValueConvInv => 'Image::ExifTool::XMP::EncodeBase64($val)',
    },
    Manufacturer=> { },
    Model       => { },
    Software    => { },
    ImageWidth  => { Writable => 'real' },
    ImageHeight => { Writable => 'real' },
);

# Google focus namespace
%Image::ExifTool::XMP::GFocus = (
    %xmpTableDefaults,
    GROUPS => { 1 => 'XMP-GFocus', 2 => 'Image' },
    NAMESPACE => 'GFocus',
    NOTES => 'Focus information found in Google depthmap images.',
    BlurAtInfinity  => { Writable => 'real' },
    FocalDistance   => { Writable => 'real' },
    FocalPointX     => { Writable => 'real' },
    FocalPointY     => { Writable => 'real' },
);

# Google camera namespace (ref PH)
%Image::ExifTool::XMP::GCamera = (
    %xmpTableDefaults,
    GROUPS => { 1 => 'XMP-GCamera', 2 => 'Camera' },
    NAMESPACE => 'GCamera',
    NOTES => 'Camera information found in Google panorama images.',
    BurstID         => { },
    BurstPrimary    => { },
    PortraitNote    => { },
    PortraitRequest => {
        Notes => 'High Definition Render Pipeline (HDRP) data', #PH (guess)
        ValueConv => 'Image::ExifTool::XMP::DecodeBase64($val)',
        ValueConvInv => 'Image::ExifTool::XMP::EncodeBase64($val)',
    },
    PortraitVersion => { },
    SpecialTypeID   => { List => 'Bag' },
    PortraitNote    => { },
    DisableAutoCreation => { List => 'Bag' },
    DisableSuggestedAction => { List => 'Bag' }, #forum16147
    hdrp_makernote => {
        Name => 'HDRPMakerNote',
        # decoded data starts with the following bytes, but nothing yet is known about its contents:
        # 48 44 52 50 02 ef 64 35 6d 5e 70 1e 2c ea e3 4c [HDRP..d5m^p.,..L]
        ValueConv => 'Image::ExifTool::XMP::DecodeBase64($val)',
        ValueConvInv => 'Image::ExifTool::XMP::EncodeBase64($val)',
    },
    MicroVideo          => { Writable => 'integer' },
    MicroVideoVersion   => { Writable => 'integer' },
    MicroVideoOffset    => { Writable => 'integer' },
    MicroVideoPresentationTimestampUs => { Writable => 'integer' },
    shot_log_data => { #forum14108
        Name => 'ShotLogData',
        ValueConv => 'Image::ExifTool::XMP::DecodeBase64($val)',
        ValueConvInv => 'Image::ExifTool::XMP::EncodeBase64($val)',
    },
    HdrPlusMakernote => {
        ValueConv => 'Image::ExifTool::XMP::DecodeBase64($val)',
        ValueConvInv => 'Image::ExifTool::XMP::EncodeBase64($val)',
    },
    MotionPhoto        => { Writable => 'integer' },
    MotionPhotoVersion => { Writable => 'integer' },
    MotionPhotoPresentationTimestampUs => { Writable => 'integer' },
);

# Google creations namespace (ref PH)
%Image::ExifTool::XMP::GCreations = (
    %xmpTableDefaults,
    GROUPS => { 1 => 'XMP-GCreations', 2 => 'Camera' },
    NAMESPACE => 'GCreations',
    NOTES => 'Google creations tags.',
    CameraBurstID  => { },
    Type => { Avoid => 1 },
);

# Google depth-map Device namespace (ref 13)
%Image::ExifTool::XMP::Device = (
    %xmpTableDefaults,
    GROUPS => { 1 => 'XMP-Device', 2 => 'Camera' },
    NAMESPACE => { Device => 'http://ns.google.com/photos/dd/1.0/device/' },
    NOTES => q{
        Google depth-map Device tags.  See
        L<https://developer.android.com/training/camera2/Dynamic-depth-v1.0.pdf> for
        the specification.
    },
    Container => {
        Struct => {
            STRUCT_NAME => 'DeviceContainer',
            NAMESPACE   => { Container => 'http://ns.google.com/photos/dd/1.0/container/' },
            Directory => {
                List => 'Seq',
                Struct => {
                    STRUCT_NAME => 'DeviceDirectory',
                    NAMESPACE   => { Container => 'http://ns.google.com/photos/dd/1.0/container/' },
                    Item => {
                        Struct => {
                            STRUCT_NAME => 'DeviceItem',
                            NAMESPACE => { Item => 'http://ns.google.com/photos/dd/1.0/item/' },
                            Mime    => { },
                            Length  => { Writable => 'integer' },
                            Padding => { Writable => 'integer' },
                            DataURI => { },
                        },
                    },
                },
            }
        },
    },
    Profiles => {
        List => 'Seq',
        FlatName => '',
        Struct => {
            STRUCT_NAME => 'DeviceProfiles',
            NAMESPACE => { Device => 'http://ns.google.com/photos/dd/1.0/device/' },
            Profile => {
                Struct => {
                    STRUCT_NAME => 'DeviceProfile',
                    NAMESPACE => { Profile => 'http://ns.google.com/photos/dd/1.0/profile/' },
                    CameraIndices => { List => 'Seq', Writable => 'integer' },
                    Type => { },
                },
            },
        },
    },
    Cameras => {
        List => 'Seq',
        FlatName => '',
        Struct => {
            STRUCT_NAME => 'DeviceCameras',
            NAMESPACE => { Device => 'http://ns.google.com/photos/dd/1.0/device/' },
            Camera => {
                Struct => {
                    STRUCT_NAME => 'DeviceCamera',
                    NAMESPACE => { Camera => 'http://ns.google.com/photos/dd/1.0/camera/' },
                    DepthMap => {
                        Struct => {
                            STRUCT_NAME => 'DeviceDepthMap',
                            NAMESPACE => { DepthMap => 'http://ns.google.com/photos/dd/1.0/depthmap/' },
                            ConfidenceURI => { },
                            DepthURI    => { },
                            Far         => { Writable => 'real' },
                            Format      => { },
                            ItemSemantic=> { },
                            MeasureType => { },
                            Near        => { Writable => 'real' },
                            Units       => { },
                            Software    => { },
                            FocalTableEntryCount => { Writable => 'integer' },
                            FocalTable  => { }, # (base64)
                        },
                    },
                    Image => {
                        Struct => {
                            STRUCT_NAME => 'DeviceImage',
                            NAMESPACE => { Image => 'http://ns.google.com/photos/dd/1.0/image/' },
                            ItemSemantic=> { },
                            ItemURI     => { },
                        },
                    },
                    ImagingModel => {
                        Struct => {
                            STRUCT_NAME => 'DeviceImagingModel',
                            NAMESPACE => { ImagingModel => 'http://ns.google.com/photos/dd/1.0/imagingmodel/' },
                            Distortion      => { }, # (base64)
                            DistortionCount => { Writable => 'integer' },
                            FocalLengthX    => { Writable => 'real' },
                            FocalLengthY    => { Writable => 'real' },
                            ImageHeight     => { Writable => 'integer' },
                            ImageWidth      => { Writable => 'integer' },
                            PixelAspectRatio=> { Writable => 'real' },
                            PrincipalPointX => { Writable => 'real' },
                            PrincipalPointY => { Writable => 'real' },
                            Skew            => { Writable => 'real' },
                        },
                    },
                    PointCloud => {
                        Struct => {
                            STRUCT_NAME => 'DevicePointCloud',
                            NAMESPACE => { PointCloud => 'http://ns.google.com/photos/dd/1.0/pointcloud/' },
                            PointCloud  => { Writable => 'integer' },
                            Points      => { },
                            Metric      => { Writable => 'boolean' },
                        },
                    },
                    Pose => { Struct => \%sPose },
                    LightEstimate => {
                        Struct => {
                            STRUCT_NAME => 'DeviceLightEstimate',
                            NAMESPACE => { LightEstimate => 'http://ns.google.com/photos/dd/1.0/lightestimate/' },
                            ColorCorrectionR => { Writable => 'real' },
                            ColorCorrectionG => { Writable => 'real' },
                            ColorCorrectionB => { Writable => 'real' },
                            PixelIntensity   => { Writable => 'real' },
                        },
                    },
                    VendorInfo => { Struct => \%sVendorInfo },
                    AppInfo    => { Struct => \%sAppInfo },
                    Trait => { },
                },
            },
        },
    },
    VendorInfo  => { Struct => \%sVendorInfo },
    AppInfo     => { Struct => \%sAppInfo },
    EarthPos    => { Struct => \%sEarthPose },
    Pose        => { Struct => \%sPose },
    Planes => {
        List => 'Seq',
        FlatName => '',
        Struct => {
            STRUCT_NAME => 'DevicePlanes',
            NAMESPACE => { Device => 'http://ns.google.com/photos/dd/1.0/device/' },
            Plane => {
                Struct => {
                    STRUCT_NAME => 'DevicePlane',
                    NAMESPACE => { Plane => 'http://ns.google.com/photos/dd/1.0/plane/' },
                    Pose    => { Struct => \%sPose },
                    ExtentX => { Writable => 'real' },
                    ExtentZ => { Writable => 'real' },
                    BoundaryVertexCount => { Writable => 'integer' },
                    Boundary => { },
                },
            },
        },
    },
);

# Google container tags (ref https://developer.android.com/guide/topics/media/platform/hdr-image-format)
# NOTE: The namespace prefix used by ExifTool is 'GContainer' instead of 'Container'
# dueo to a conflict with Google's depth-map Device 'Container' namespace!
# (see ../pics/GooglePixel8Pro.jpg sample image)
%Image::ExifTool::XMP::GContainer = (
    %xmpTableDefaults,
    GROUPS => { 1 => 'XMP-GContainer', 2 => 'Image' },
    NAMESPACE => 'GContainer',
    NOTES => q{
        Google Container namespace.  ExifTool uses the prefix 'GContainer' instead
        of 'Container' to avoid a conflict with the Google Device Container
        namespace.
    },
    Directory => {
        Name => 'ContainerDirectory',
        FlatName => 'Directory',
        List => 'Seq',
        Struct => {
            STRUCT_NAME => 'Directory',
            Item => {
                Namespace => 'GContainer',
                Struct => {
                    STRUCT_NAME => 'Item',
                    # (use 'GItem' to avoid conflict with Google Device Container Item)
                    NAMESPACE => { GItem => 'http://ns.google.com/photos/1.0/container/item/'},
                    Mime     => { },
                    Semantic => { },
                    Length   => { Writable => 'integer' },
                    Label    => { },
                    Padding  => { Writable => 'integer' },
                    URI      => { },
                },
            },
        },
    },
);

# Getty Images namespace (ref PH)
%Image::ExifTool::XMP::GettyImages = (
    %xmpTableDefaults,
    GROUPS => { 1 => 'XMP-getty', 2 => 'Image' },
    NAMESPACE => 'GettyImagesGIFT',
    NOTES => q{
        The actual Getty Images namespace prefix is "GettyImagesGIFT", which is the
        prefix recorded in the file, but ExifTool shortens this for the family 1
        group name.
    },
    Personality         => { List => 'Bag' },
    OriginalFilename    => { Name => 'OriginalFileName' },
    ParentMEID          => { },
    # the following from StarGeek
    AssetID             => { },
    CallForImage        => { },
    CameraFilename      => { },
    CameraMakeModel     => { Avoid => 1 },
    Composition         => { },
    CameraSerialNumber  => { Avoid => 1 },
    ExclusiveCoverage   => { },
    GIFTFtpPriority     => { },
    ImageRank           => { },
    MediaEventIdDate    => { },
    OriginalCreateDateTime => { %dateTimeInfo, Groups => { 2 => 'Time' }, Avoid => 1 },
    ParentMediaEventID  => { },
    PrimaryFTP          => { List => 'Bag' },
    RoutingDestinations => { List => 'Bag' },
    RoutingExclusions   => { List => 'Bag' },
    SecondaryFTP        => { List => 'Bag' },
    TimeShot            => { },
);

# RED smartphone images (ref PH)
%Image::ExifTool::XMP::LImage = (
    %xmpTableDefaults,
    GROUPS => { 1 => 'XMP-LImage', 2 => 'Image' },
    NAMESPACE => 'LImage',
    NOTES => 'Tags written by RED smartphones.',
    MajorVersion => { },
    MinorVersion => { },
    RightAlbedo => {
        Notes => 'Right stereoscopic image',
        Groups => { 2 => 'Preview' },
        ValueConv => 'Image::ExifTool::XMP::DecodeBase64($val)',
        ValueConvInv => 'Image::ExifTool::XMP::EncodeBase64($val)',
    },
);

# hdr metadata namespace used by ACR 15.1
%Image::ExifTool::XMP::hdr = (
    %xmpTableDefaults,
    GROUPS => { 1 => 'XMP-hdr', 2 => 'Image' },
    NAMESPACE   => 'hdr_metadata',
    TABLE_DESC => 'XMP HDR Metadata',
    NOTES => q{
        HDR metadata namespace tags written by ACR 15.1.  The actual namespace
        prefix is "hdr_metadata", which is the prefix recorded in the file, but
        ExifTool shortens this for the family 1 group name.
    },
    ccv_primaries_xy        => { Name => 'CCVPrimariesXY' }, # (comma-separated string of 6 reals)
    ccv_white_xy            => { Name => 'CCVWhiteXY' }, # (comma-separated string of 2 reals)
    ccv_min_luminance_nits  => { Name => 'CCVMinLuminanceNits', Writable => 'real' },
    ccv_max_luminance_nits  => { Name => 'CCVMaxLuminanceNits', Writable => 'real' },
    ccv_avg_luminance_nits  => { Name => 'CCVAvgLuminanceNits', Writable => 'real' },
    scene_referred          => { Name => 'SceneReferred', Writable => 'boolean' },
);

# HDR Gain Map metadata namespace
%Image::ExifTool::XMP::hdrgm = (
    %xmpTableDefaults,
    GROUPS => { 1 => 'XMP-hdrgm', 2 => 'Image' },
    NAMESPACE   => 'hdrgm',
    TABLE_DESC => 'XMP HDR Gain Map Metadata',
    NOTES => 'Tags used in Adobe gain map images.',
    Version             => { Avoid => 1 },
    BaseRenditionIsHDR  => { Writable => 'boolean' },
    # this is a pain in the ass: List items below may or may not be lists
    # according to the Adobe specification -- I don't know how to handle tags
    # with a variable format like this, so just make them lists here for now
    OffsetSDR           => { Writable => 'real', List => 'Seq' },
    OffsetHDR           => { Writable => 'real', List => 'Seq' },
    HDRCapacityMin      => { Writable => 'real' },
    HDRCapacityMax      => { Writable => 'real' },
    GainMapMin          => { Writable => 'real', List => 'Seq' },
    GainMapMax          => { Writable => 'real', List => 'Seq' },
    Gamma               => { Writable => 'real', List => 'Seq', Avoid => 1 },
);

# SVG namespace properties (ref 9)
%Image::ExifTool::XMP::SVG = (
    GROUPS => { 0 => 'SVG', 1 => 'SVG', 2 => 'Image' },
    NAMESPACE => 'svg',
    LANG_INFO => \&GetLangInfo,
    NOTES => q{
        SVG (Scalable Vector Graphics) image tags.  By default, only the top-level
        SVG and Metadata tags are extracted from these images, but all graphics tags
        may be extracted by setting the Unknown option to 2 (-U on the command
        line).  The SVG tags are not part of XMP as such, but are included with the
        XMP module for convenience.  (see L<http://www.w3.org/TR/SVG11/>)
    },
    version    => 'SVGVersion',
    id         => 'ID',
    metadataId => 'MetadataID',
    width      => {
        Name => 'ImageWidth',
        ValueConv => '$val =~ s/px$//; $val',
    },
    height     => {
        Name => 'ImageHeight',
        ValueConv => '$val =~ s/px$//; $val',
    },
);

# table to add tags in other namespaces
%Image::ExifTool::XMP::otherSVG = (
    GROUPS => { 0 => 'SVG', 2 => 'Unknown' },
    LANG_INFO => \&GetLangInfo,
    NAMESPACE => undef, # variable namespace
    'c2pa:manifest' => {
        Name => 'JUMBF',
        Groups => { 0 => 'JUMBF' },
        RawConv => 'Image::ExifTool::XMP::DecodeBase64($val)',
        SubDirectory => {
            TagTable => 'Image::ExifTool::Jpeg2000::Main',
            ByteOrder => 'BigEndian',
        },
    },
);

#------------------------------------------------------------------------------
# Generate crd tags
# Inputs: 0) tag table ref
sub Init_crd($)
{
    my $tagTablePtr = shift;
    # import tags from CRS namespace
    my $crsTable = GetTagTable('Image::ExifTool::XMP::crs');
    my $tag;
    foreach $tag (Image::ExifTool::TagTableKeys($crsTable)) {
        my $crsInfo = $$crsTable{$tag};
        my $tagInfo = $$tagTablePtr{$tag} = { %$crsInfo };
        $$tagInfo{Groups} = { 0 => 'XMP', 1 => 'XMP-crd' , 2 => $$crsInfo{Groups}{2} } if $$crsInfo{Groups};
    }
}


1;  #end

__END__

=head1 NAME

Image::ExifTool::XMP2.pl - Additional XMP namespace definitions

=head1 SYNOPSIS

This module is loaded automatically by Image::ExifTool when required.

=head1 DESCRIPTION

This file contains definitions for less common XMP namespaces.

=head1 AUTHOR

Copyright 2003-2024, Phil Harvey (philharvey66 at gmail.com)

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

=head1 REFERENCES

=over 4

=item L<http://ns.useplus.org/>

=item L<http://www.prismstandard.org/>

=item L<http://www.portfoliofaq.com/pfaq/v7mappings.htm>

=item L<http://www.iptc.org/IPTC4XMP/>

=item L<http://creativecommons.org/technology/xmp>

=item L<http://www.optimasc.com/products/fileid/xmp-extensions.pdf>

=item L<http://www.w3.org/TR/SVG11/>

=back

=head1 SEE ALSO

L<Image::ExifTool::TagNames/XMP Tags>,
L<Image::ExifTool(3pm)|Image::ExifTool>

=cut
