Metadata reference tables

Camera Raw Schema

This schema specifies XMP properties associated with image files produced in camera raw mode.

Reference: XMP Specification and Documentation

Property Label Value type Exiv2 type Category Description
AutoBrightness Auto Brightness Boolean XmpText Internal When true, "Brightness" is automatically adjusted.
AutoContrast Auto Contrast Boolean XmpText Internal When true, "Contrast" is automatically adjusted.
AutoExposure Auto Exposure Boolean XmpText Internal When true, "Exposure" is automatically adjusted.
AutoShadows Auto Shadows Boolean XmpText Internal When true,"Shadows" is automatically adjusted.
BlueHue Blue Hue Integer XmpText Internal "Blue Hue" setting. Range -100 to 100.
BlueSaturation Blue Saturation Integer XmpText Internal "Blue Saturation" setting. Range -100 to +100.
Brightness Brightness Integer XmpText Internal "Brightness" setting. Range 0 to +150.
CameraProfile Camera Profile Text XmpText Internal "Camera Profile" setting.
ChromaticAberrationB Chromatic Aberration Blue Integer XmpText Internal "Chromatic Aberration, Fix Blue/Yellow Fringe" setting. Range -100 to +100.
ChromaticAberrationR Chromatic Aberration Red Integer XmpText Internal "Chromatic Aberration, Fix Red/Cyan Fringe" setting. Range -100 to +100.
ColorNoiseReduction Color Noise Reduction Integer XmpText Internal "Color Noise Reduction" setting. Range 0 to +100.
Contrast Contrast Integer XmpText Internal "Contrast" setting. Range -50 to +100.
CropTop Crop Top Real XmpText Internal When "Has Crop" is true, top of crop rectangle
CropLeft Crop Left Real XmpText Internal When "Has Crop" is true, left of crop rectangle.
CropBottom Crop Bottom Real XmpText Internal When "Has Crop" is true, bottom of crop rectangle.
CropRight Crop Right Real XmpText Internal When "Has Crop" is true, right of crop rectangle.
CropAngle Crop Angle Real XmpText Internal When "Has Crop" is true, angle of crop rectangle.
CropWidth Crop Width Real XmpText Internal Width of resulting cropped image in CropUnits units.
CropHeight Crop Height Real XmpText Internal Height of resulting cropped image in CropUnits units.
CropUnits Crop Units Integer XmpText Internal Units for CropWidth and CropHeight. 0=pixels, 1=inches, 2=cm
Exposure Exposure Real XmpText Internal "Exposure" setting. Range -4.0 to +4.0.
GreenHue Green Hue Integer XmpText Internal "Green Hue" setting. Range -100 to +100.
GreenSaturation Green Saturation Integer XmpText Internal "Green Saturation" setting. Range -100 to +100.
HasCrop Has Crop Boolean XmpText Internal When true, image has a cropping rectangle.
HasSettings Has Settings Boolean XmpText Internal When true, non-default camera raw settings.
LuminanceSmoothing Luminance Smoothing Integer XmpText Internal "Luminance Smoothing" setting. Range 0 to +100.
RawFileName Raw File Name Text XmpText Internal File name of raw file (not a complete path).
RedHue Red Hue Integer XmpText Internal "Red Hue" setting. Range -100 to +100.
RedSaturation Red Saturation Integer XmpText Internal "Red Saturation" setting. Range -100 to +100.
Saturation Saturation Integer XmpText Internal "Saturation" setting. Range -100 to +100.
Shadows Shadows Integer XmpText Internal "Shadows" setting. Range 0 to +100.
ShadowTint Shadow Tint Integer XmpText Internal "Shadow Tint" setting. Range -100 to +100.
Sharpness Sharpness Integer XmpText Internal "Sharpness" setting. Range 0 to +100.
Temperature Temperature Integer XmpText Internal "Temperature" setting. Range 2000 to 50000.
Tint Tint Integer XmpText Internal "Tint" setting. Range -150 to +150.
ToneCurve Tone Curve Seq of points (Integer Integer) XmpText Internal
ToneCurveName Tone Curve Name Choice Text XmpText Internal The name of the Tone Curve described by ToneCurve. One of: Linear, Medium Contrast, Strong Contrast, Custom or a user-defined preset name.
Version Version Text XmpText Internal Version of Camera Raw plugin.
VignetteAmount Vignette Amount Integer XmpText Internal "Vignetting Amount" setting. Range -100 to +100.
VignetteMidpoint Vignette Midpoint Integer XmpText Internal "Vignetting Midpoint" setting. Range 0 to +100.
WhiteBalance White Balance Closed Choice Text XmpText Internal "White Balance" setting. One of: As Shot, Auto, Daylight, Cloudy, Shade, Tungsten, Fluorescent, Flash, Custom
AlreadyApplied Already Applied Boolean XmpText Internal Not in XMP Specification. Found in sample files.
Converter Converter Text XmpText Internal Not in XMP Specification. Found in sample files.
MoireFilter Moire Filter Text XmpText Internal Not in XMP Specification. Found in sample files.
Smoothness Smoothness Integer XmpText Internal Not in XMP Specification. Found in sample files.
CameraProfileDigest Camera Profile Digest Text XmpText Internal Not in XMP Specification. Found in sample files.
Clarity Clarity Integer XmpText Internal Not in XMP Specification. Found in sample files.
ConvertToGrayscale Convert To Grayscale Boolean XmpText Internal Not in XMP Specification. Found in sample files.
Defringe Defringe Integer XmpText Internal Not in XMP Specification. Found in sample files.
FillLight Fill Light Integer XmpText Internal Not in XMP Specification. Found in sample files.
HighlightRecovery Highlight Recovery Integer XmpText Internal Not in XMP Specification. Found in sample files.
HueAdjustmentAqua Hue Adjustment Aqua Integer XmpText Internal Not in XMP Specification. Found in sample files.
HueAdjustmentBlue Hue Adjustment Blue Integer XmpText Internal Not in XMP Specification. Found in sample files.
HueAdjustmentGreen Hue Adjustment Green Integer XmpText Internal Not in XMP Specification. Found in sample files.
HueAdjustmentMagenta Hue Adjustment Magenta Integer XmpText Internal Not in XMP Specification. Found in sample files.
HueAdjustmentOrange Hue Adjustment Orange Integer XmpText Internal Not in XMP Specification. Found in sample files.
HueAdjustmentPurple Hue Adjustment Purple Integer XmpText Internal Not in XMP Specification. Found in sample files.
HueAdjustmentRed Hue Adjustment Red Integer XmpText Internal Not in XMP Specification. Found in sample files.
HueAdjustmentYellow Hue Adjustment Yellow Integer XmpText Internal Not in XMP Specification. Found in sample files.
IncrementalTemperature Incremental Temperature Integer XmpText Internal Not in XMP Specification. Found in sample files.
IncrementalTint Incremental Tint Integer XmpText Internal Not in XMP Specification. Found in sample files.
LuminanceAdjustmentAqua Luminance Adjustment Aqua Integer XmpText Internal Not in XMP Specification. Found in sample files.
LuminanceAdjustmentBlue Luminance Adjustment Blue Integer XmpText Internal Not in XMP Specification. Found in sample files.
LuminanceAdjustmentGreen Luminance Adjustment Green Integer XmpText Internal Not in XMP Specification. Found in sample files.
LuminanceAdjustmentMagenta Luminance Adjustment Magenta Integer XmpText Internal Not in XMP Specification. Found in sample files.
LuminanceAdjustmentOrange Luminance Adjustment Orange Integer XmpText Internal Not in XMP Specification. Found in sample files.
LuminanceAdjustmentPurple Luminance Adjustment Purple Integer XmpText Internal Not in XMP Specification. Found in sample files.
LuminanceAdjustmentRed Luminance Adjustment Red Integer XmpText Internal Not in XMP Specification. Found in sample files.
LuminanceAdjustmentYellow Luminance Adjustment Yellow Integer XmpText Internal Not in XMP Specification. Found in sample files.
ParametricDarks Parametric Darks Integer XmpText Internal Not in XMP Specification. Found in sample files.
ParametricHighlights Parametric Highlights Integer XmpText Internal Not in XMP Specification. Found in sample files.
ParametricHighlightSplit Parametric Highlight Split Integer XmpText Internal Not in XMP Specification. Found in sample files.
ParametricLights Parametric Lights Integer XmpText Internal Not in XMP Specification. Found in sample files.
ParametricMidtoneSplit Parametric Midtone Split Integer XmpText Internal Not in XMP Specification. Found in sample files.
ParametricShadows Parametric Shadows Integer XmpText Internal Not in XMP Specification. Found in sample files.
ParametricShadowSplit Parametric Shadow Split Integer XmpText Internal Not in XMP Specification. Found in sample files.
SaturationAdjustmentAqua Saturation Adjustment Aqua Integer XmpText Internal Not in XMP Specification. Found in sample files.
SaturationAdjustmentBlue Saturation Adjustment Blue Integer XmpText Internal Not in XMP Specification. Found in sample files.
SaturationAdjustmentGreen Saturation Adjustment Green Integer XmpText Internal Not in XMP Specification. Found in sample files.
SaturationAdjustmentMagenta Saturation Adjustment Magenta Integer XmpText Internal Not in XMP Specification. Found in sample files.
SaturationAdjustmentOrange Saturation Adjustment Orange Integer XmpText Internal Not in XMP Specification. Found in sample files.
SaturationAdjustmentPurple Saturation Adjustment Purple Integer XmpText Internal Not in XMP Specification. Found in sample files.
SaturationAdjustmentRed Saturation Adjustment Red Integer XmpText Internal Not in XMP Specification. Found in sample files.
SaturationAdjustmentYellow Saturation Adjustment Yellow Integer XmpText Internal Not in XMP Specification. Found in sample files.
SharpenDetail Sharpen Detail Integer XmpText Internal Not in XMP Specification. Found in sample files.
SharpenEdgeMasking Sharpen Edge Masking Integer XmpText Internal Not in XMP Specification. Found in sample files.
SharpenRadius Sharpen Radius Real XmpText Internal Not in XMP Specification. Found in sample files.
SplitToningBalance Split Toning Balance Integer XmpText Internal Not in XMP Specification. Found in sample files.
SplitToningHighlightHue Split Toning Highlight Hue Integer XmpText Internal Not in XMP Specification. Found in sample files.
SplitToningHighlightSaturation Split Toning Highlight Saturation Integer XmpText Internal Not in XMP Specification. Found in sample files.
SplitToningShadowHue Split Toning Shadow Hue Integer XmpText Internal Not in XMP Specification. Found in sample files.
SplitToningShadowSaturation Split Toning Shadow Saturation Integer XmpText Internal Not in XMP Specification. Found in sample files.
Vibrance Vibrance Integer XmpText Internal Not in XMP Specification. Found in sample files.
GrayMixerRed Gray Mixer Red Integer XmpText Internal Not in XMP Specification. Found in sample files.
GrayMixerOrange Gray Mixer Orange Integer XmpText Internal Not in XMP Specification. Found in sample files.
GrayMixerYellow Gray Mixer Yellow Integer XmpText Internal Not in XMP Specification. Found in sample files.
GrayMixerGreen Gray Mixer Green Integer XmpText Internal Not in XMP Specification. Found in sample files.
GrayMixerAqua Gray Mixer Aqua Integer XmpText Internal Not in XMP Specification. Found in sample files.
GrayMixerBlue Gray Mixer Blue Integer XmpText Internal Not in XMP Specification. Found in sample files.
GrayMixerPurple Gray Mixer Purple Integer XmpText Internal Not in XMP Specification. Found in sample files.
GrayMixerMagenta Gray Mixer Magenta Integer XmpText Internal Not in XMP Specification. Found in sample files.
RetouchInfo Retouch Info bag Text XmpBag Internal Not in XMP Specification. Found in sample files.
RedEyeInfo Red Eye Info bag Text XmpBag Internal Not in XMP Specification. Found in sample files.
CropUnit Crop Unit Integer XmpText Internal Not in XMP Specification. Found in sample files.
PostCropVignetteAmount Post Crop Vignette Amount Integer XmpText Internal Not in XMP Specification. Found in sample files.
PostCropVignetteMidpoint Post Crop Vignette Midpoint Integer XmpText Internal Not in XMP Specification. Found in sample files.
PostCropVignetteFeather Post Crop Vignette Feather Integer XmpText Internal Not in XMP Specification. Found in sample files.
PostCropVignetteRoundness Post Crop Vignette Roundness Integer XmpText Internal Not in XMP Specification. Found in sample files.
PostCropVignetteStyle Post Crop Vignette Style Integer XmpText Internal Not in XMP Specification. Found in sample files.
ProcessVersion Process Version Text XmpText Internal Not in XMP Specification. Found in sample files.
LensProfileEnable Lens Profile Enable Integer XmpText Internal Not in XMP Specification. Found in sample files.
LensProfileSetup Lens Profile Setup Text XmpText Internal Not in XMP Specification. Found in sample files.
LensProfileName Lens Profile Name Text XmpText Internal Not in XMP Specification. Found in sample files.
LensProfileFilename Lens Profile Filename Text XmpText Internal Not in XMP Specification. Found in sample files.
LensProfileDigest Lens Profile Digest Text XmpText Internal Not in XMP Specification. Found in sample files.
LensProfileDistortionScale Lens Profile Distortion Scale Integer XmpText Internal Not in XMP Specification. Found in sample files.
LensProfileChromaticAberrationScale Lens Profile Chromatic Aberration Scale Integer XmpText Internal Not in XMP Specification. Found in sample files.
LensProfileVignettingScale Lens Profile Vignetting Scale Integer XmpText Internal Not in XMP Specification. Found in sample files.
LensManualDistortionAmount Lens Manual Distortion Amount Integer XmpText Internal Not in XMP Specification. Found in sample files.
PerspectiveVertical Perspective Vertical Integer XmpText Internal Not in XMP Specification. Found in sample files.
PerspectiveHorizontal Perspective Horizontal Integer XmpText Internal Not in XMP Specification. Found in sample files.
PerspectiveRotate Perspective Rotate Real XmpText Internal Not in XMP Specification. Found in sample files.
PerspectiveScale Perspective Scale Integer XmpText Internal Not in XMP Specification. Found in sample files.
CropConstrainToWarp Crop Constrain To Warp Integer XmpText Internal Not in XMP Specification. Found in sample files.
LuminanceNoiseReductionDetail Luminance Noise Reduction Detail Integer XmpText Internal Not in XMP Specification. Found in sample files.
LuminanceNoiseReductionContrast Luminance Noise Reduction Contrast Integer XmpText Internal Not in XMP Specification. Found in sample files.
ColorNoiseReductionDetail Color Noise Reduction Detail Integer XmpText Internal Not in XMP Specification. Found in sample files.
GrainAmount Grain Amount Integer XmpText Internal Not in XMP Specification. Found in sample files.
GrainSize Grain Size Integer XmpText Internal Not in XMP Specification. Found in sample files.
GrainFrequency GrainFrequency Integer XmpText Internal Not in XMP Specification. Found in sample files.
AutoLateralCA Auto Lateral CA Integer XmpText Internal Not in XMP Specification. Found in sample files.
Exposure2012 Exposure 2012 Real XmpText Internal Not in XMP Specification. Found in sample files.
Contrast2012 Contrast 2012 Integer XmpText Internal Not in XMP Specification. Found in sample files.
Highlights2012 Highlights 2012 Integer XmpText Internal Not in XMP Specification. Found in sample files.
Shadows2012 Shadows 2012 Integer XmpText Internal Not in XMP Specification. Found in sample files.
Whites2012 Whites 2012 Integer XmpText Internal Not in XMP Specification. Found in sample files.
Blacks2012 Blacks 2012 Integer XmpText Internal Not in XMP Specification. Found in sample files.
Clarity2012 Clarity 2012 Integer XmpText Internal Not in XMP Specification. Found in sample files.
PostCropVignetteHighlightContrast Post Crop Vignette Highlight Contrast Integer XmpText Internal Not in XMP Specification. Found in sample files.
ToneCurveName2012 Tone Curve Name 2012 Text XmpText Internal Values: Linear, Medium Contrast, Strong Contrast, Custom. Not in XMP Specification. Found in sample files.
ToneCurveRed Tone Curve Red Seq of points (Integer Integer) XmpText Internal
ToneCurveGreen Tone Curve Green Seq of points (Integer Integer) XmpText Internal
ToneCurveBlue Tone Curve Blue Seq of points (Integer Integer) XmpText Internal
ToneCurvePV2012 Tone Curve PV 2012 Seq of points (Integer Integer) XmpText Internal
ToneCurvePV2012Red Tone Curve PV 2012 Red Seq of points (Integer Integer) XmpText Internal
ToneCurvePV2012Green Tone Curve PV 2012 Green Seq of points (Integer Integer) XmpText Internal
ToneCurvePV2012Blue Tone Curve PV 2012 Blue Seq of points (Integer Integer) XmpText Internal
DefringePurpleAmount Defringe Purple Amount Integer XmpText Internal Not in XMP Specification. Found in sample files.
DefringePurpleHueLo Defringe Purple Hue Lo Integer XmpText Internal Not in XMP Specification. Found in sample files.
DefringePurpleHueHi Defringe Purple Hue Hi Integer XmpText Internal Not in XMP Specification. Found in sample files.
DefringeGreenAmount Defringe Green Amount Integer XmpText Internal Not in XMP Specification. Found in sample files.
DefringeGreenHueLo Defringe Green Hue Lo Integer XmpText Internal Not in XMP Specification. Found in sample files.
DefringeGreenHueHi Defringe Green Hue Hi Integer XmpText Internal Not in XMP Specification. Found in sample files.
AutoWhiteVersion Defringe Green Hue Hi Integer XmpText Internal Not in XMP Specification. Found in sample files.
ColorNoiseReductionSmoothness Color Noise Reduction Smoothness Integer XmpText Internal Not in XMP Specification. Found in sample files.
PerspectiveAspect Perspective Aspect Integer XmpText Internal Not in XMP Specification. Found in sample files.
PerspectiveUpright Perspective Upright Integer XmpText Internal Not in XMP Specification. Found in sample files.
UprightVersion Upright Version Integer XmpText Internal Not in XMP Specification. Found in sample files.
UprightCenterMode Upright Center Mode Integer XmpText Internal Not in XMP Specification. Found in sample files.
UprightCenterNormX Upright Center Norm X Real XmpText Internal Not in XMP Specification. Found in sample files.
UprightCenterNormY Upright Center Norm Y Real XmpText Internal Not in XMP Specification. Found in sample files.
UprightFocalMode Upright Focal Mode Integer XmpText Internal Not in XMP Specification. Found in sample files.
UprightFocalLength35mm Upright Focal Length 35mm Real XmpText Internal Not in XMP Specification. Found in sample files.
UprightPreview Upright Preview Boolean XmpText Internal Not in XMP Specification. Found in sample files.
UprightTransformCount Upright TransformCount Integer XmpText Internal Not in XMP Specification. Found in sample files.
UprightDependentDigest Upright DependentDigest Text XmpText Internal Not in XMP Specification. Found in sample files.
UprightTransform_0 Upright Transform_0 Text XmpText Internal Not in XMP Specification. Found in sample files.
UprightTransform_1 Upright Transform_1 Text XmpText Internal Not in XMP Specification. Found in sample files.
UprightTransform_2 Upright Transform_2 Text XmpText Internal Not in XMP Specification. Found in sample files.
UprightTransform_3 Upright Transform_3 Text XmpText Internal Not in XMP Specification. Found in sample files.
UprightTransform_4 Upright Transform_4 Text XmpText Internal Not in XMP Specification. Found in sample files.
LensProfileMatchKeyExifMake Lens Profile Match Key Exif Make Text XmpText Internal Not in XMP Specification. Found in sample files.
LensProfileMatchKeyExifModel Lens Profile Match Key Exif Model Text XmpText Internal Not in XMP Specification. Found in sample files.
LensProfileMatchKeyCameraModelName Lens Profile Match Key Camera Model Name Text XmpText Internal Not in XMP Specification. Found in sample files.
LensProfileMatchKeyLensInfo Lens Profile Match Key Lens Info Text XmpText Internal Not in XMP Specification. Found in sample files.
LensProfileMatchKeyLensID Lens Profile Match Key Lens ID Text XmpText Internal Not in XMP Specification. Found in sample files.
LensProfileMatchKeyLensName Lens Profile Match Key Lens Name Text XmpText Internal Not in XMP Specification. Found in sample files.
LensProfileMatchKeyIsRaw Lens Profile Match Key Is Raw Boolean XmpText Internal Not in XMP Specification. Found in sample files.
LensProfileMatchKeySensorFormatFactor Lens Profile Match Key Sensor Format Factor Real XmpText Internal Not in XMP Specification. Found in sample files.
DefaultAutoTone Default Auto Tone Boolean XmpText Internal Not in XMP Specification. Found in sample files.
DefaultAutoGray DefaultAuto Gray Boolean XmpText Internal Not in XMP Specification. Found in sample files.
DefaultsSpecificToSerial Defaults Specific To Serial Boolean XmpText Internal Not in XMP Specification. Found in sample files.
DefaultsSpecificToISO Defaults Specific To ISO Boolean XmpText Internal Not in XMP Specification. Found in sample files.
DNGIgnoreSidecars DNG IgnoreSidecars Boolean XmpText Internal Not in XMP Specification. Found in sample files.
NegativeCachePath Negative Cache Path Text XmpText Internal Not in XMP Specification. Found in sample files.
NegativeCacheMaximumSize Negative Cache Maximum Size Real XmpText Internal Not in XMP Specification. Found in sample files.
NegativeCacheLargePreviewSize Negative Cache Large Preview Size Integer XmpText Internal Not in XMP Specification. Found in sample files.
JPEGHandling JPEG Handling Text XmpText Internal Not in XMP Specification. Found in sample files.
TIFFHandling TIFF Handling Text XmpText Internal Not in XMP Specification. Found in sample files.
CircularGradientBasedCorrections CircularGradientBasedCorrections CircularGradientBasedCorrections XmpText Internal *Root structure*
PaintBasedCorrections PaintBasedCorrections PaintBasedCorrections XmpText Internal *Root structure*
CorrectionMasks CorrectionMasks CorrectionMasks XmpText Internal *sub Root structure*
What What Text XmpText External Not in XMP Specification. Found in sample files.
MaskValue Mask Value Real XmpText External Not in XMP Specification. Found in sample files.
Radius Radius Real XmpText External Not in XMP Specification. Found in sample files.
Flow Flow Real XmpText External Not in XMP Specification. Found in sample files.
CenterWeight Center Weight Real XmpText External Not in XMP Specification. Found in sample files.
Dabs Dabs Seq of points (Integer Integer) XmpText Internal
ZeroX Zero X Real XmpText External Not in XMP Specification. Found in sample files.
ZeroY Zero Y Real XmpText External Not in XMP Specification. Found in sample files.
FullX Full X Real XmpText External Not in XMP Specification. Found in sample files.
FullY Full Y Real XmpText External Not in XMP Specification. Found in sample files.
Top Top Real XmpText External Not in XMP Specification. Found in sample files.
Left Left Real XmpText External Not in XMP Specification. Found in sample files.
Bottom Bottom Real XmpText External Not in XMP Specification. Found in sample files.
Right Right Real XmpText External Not in XMP Specification. Found in sample files.
Angle Angle Real XmpText External Not in XMP Specification. Found in sample files.
Midpoint Midpoint Real XmpText External Not in XMP Specification. Found in sample files.
Roundness Roundness Real XmpText External Not in XMP Specification. Found in sample files.
Feather Feather Real XmpText External Not in XMP Specification. Found in sample files.
Flipped Flipped Boolean XmpText External Not in XMP Specification. Found in sample files.
Version Version Integer XmpText External Not in XMP Specification. Found in sample files.
SizeX Size X Real XmpText External Not in XMP Specification. Found in sample files.
SizeY Size Y Real XmpText External Not in XMP Specification. Found in sample files.
X X Real XmpText External Not in XMP Specification. Found in sample files.
Y Y Real XmpText External Not in XMP Specification. Found in sample files.
Alpha Alpha Real XmpText External Not in XMP Specification. Found in sample files.
CenterValue Center Value Real XmpText External Not in XMP Specification. Found in sample files.
PerimeterValue Perimeter Value Real XmpText External Not in XMP Specification. Found in sample files.
RetouchAreas RetouchAreas RetouchAreas XmpText Internal *Root structure*
SpotType Spot Type Text XmpText External Not in XMP Specification. Found in sample files.
SourceState Source State Text XmpText External Not in XMP Specification. Found in sample files.
Method Method Text XmpText External Not in XMP Specification. Found in sample files.
SourceX Source X Real XmpText External Not in XMP Specification. Found in sample files.
OffsetY Offset Y Real XmpText External Not in XMP Specification. Found in sample files.
Opacity Opacity Real XmpText External Not in XMP Specification. Found in sample files.
Feather Feather Real XmpText External Not in XMP Specification. Found in sample files.
Seed Seed Integer XmpText External Not in XMP Specification. Found in sample files.