Item Properties

Item properties are small data records stored in the ItemPropertyContainerBox ('ipco') and associated with items via the ItemPropertyAssociation ('ipma'). Each property is identified by its box type and provides descriptive or transformative metadata for the associated item.

See also the consolidated Items page.

Showing 85 of 85 entries

code	description	specification
`aebr`	Auto Exposure Information	HEIF
`afbr`	Flash exposure information	HEIF
`altt`	Accessibility text	HEIF
`amve`	Ambient viewing environment	HEIF
`auxC`	Auxiliary type	HEIF
`av1C`	AVIF Image item configuration	AVIF
`avcC`	AVC Image item configuration	HEIF
`brnd`	Item brand (type)	ISO
`cclv`	Content colour volume	HEIF
`clap`	Clean aperture	HEIF
`clli`	Content light level	HEIF
`crtt`	Creation time information	HEIF
`colr`	Colour information	HEIF
`covi`	Coverage information	OMAF
`dobr`	Depth of field information	HEIF
`evcC`	EVC image item configuration	HEIF
`fade`	Fade transition effect	HEIF
`fobr`	Focus information	HEIF
`fovi`	Essential fisheye information	OMAF
`fvsi`	Supplemental fisheye information	OMAF
`hvcC`	HEVC Image item configuration	HEIF
`iaux`	Item Auxiliary Information	CENC
`ienc`	Item Encryption	CENC
`iivo`	Initial viewing orientation	OMAF
`imir`	Image mirroring	HEIF
`irot`	Image rotation	HEIF
`iscl`	Image scaling	HEIF
`ispe`	Image spatial extents	HEIF
`jpgC`	JPEG image item configuration	HEIF
`jxsH`	JPEG XS Header	JPXS
`lhvC`	Layered HEVC Image item configuration	HEIF
`lsel`	Layer selection	HEIF
`mcrs`	Model coordinate reference system	OGC 24-038
`mdcv`	Mastering display colour volume	HEIF
`mdft`	Modification time information	HEIF
`mskC`	Mask item configuration	HEIF
`mtxf`	Model transformation	OGC 24-038
`oinf`	HEVC operating point	HEIF
`ovly`	Overlay configuration	OMAF
`pano`	Panorama information	HEIF
`pasp`	Pixel aspect ratio	HEIF
`pixi`	Pixel information	HEIF
`prfr`	Projection format	OMAF
`rloc`	Relative location	HEIF
`rotn`	Rotation	OMAF
`rref`	Required reference types	HEIF
`rwpk`	Region-wise packing	OMAF
`splt`	Split transition effect	HEIF
`ssld`	Suggested time display duraton	HEIF
`stpe`	Suggested transition period	HEIF
`stvi`	Frame packing	OMAF
`subs`	Subsample information	HEIF
`tiep`	Model tie-point	OGC 24-038
`tols`	Layered HEVC Target output layer set property	HEIF
`udes`	User description	HEIF
`v3cC`	V3C configuration	V3C-SYS
`v3tp`	V3C atlas tile configuration	V3C-SYS
`vssn`	Viewing space	OMAF
`vutp`	V3C unit header	V3C-SYS
`vvcC`	VVC image item configuration	HEIF
`wbbr`	White balance information	HEIF
`wipe`	Wipe transition effect	HEIF
`zoom`	Zoom transition effect	HEIF
`hdlp`	Handler property that provides a mapping of a media handler with an item in a MetaBox	ISO
`cmpd`	Component Definition	UNCV
`uncC`	Uncompressed Frame Configuration	UNCV
`cpal`	Component Palette Configuration	UNCV
`cpat`	Component Pattern Definition	UNCV
`clev`	Component Reference Level	UNCV
`splz`	Polarization Pattern Definition	UNCV
`snuc`	Sensor Non-Uniformity Correction	UNCV
`sbpm`	Sensor Bad Pixels Map	UNCV
`cloc`	Chroma Location	UNCV
`fpac`	Frame Packing Information	UNCV
`disi`	Disparity Information	UNCV
`ilcp`	Field Interlace Property	UNCV
`nnrC`	Configuration item property for 'nnr1' item	NALu Video
`taic`	TAI clock information box	UNCV
`itai`	Item TAI timestamps	UNCV
`jaih`	JPEG AI header item property	JPEGAI
`cexg`	Constrained extents grid	HEIF
`dadj`	Disparity adjustment	HEIF
`stag`	Stereo aggressors	HEIF
`reve`	Reference viewing environment	HEIF
`ndwt`	Nominal diffuse white	HEIF