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AVAsset.MetadataKeys

Queries metadata keys.

Component Version macOS Windows Linux Server iOS SDK
AVAsset 5.2 ✅ Yes ❌ No ❌ No ✅ Yes, on macOS ✅ Yes
MBS( "AVAsset.MetadataKeys"; Asset { ; Format } )   More

Parameters

Parameter Description Example Flags
Asset The reference number of the asset. Please use AVAsset.OpenContainer, AVAsset.OpenFile or AVAsset.OpenURL function to get asset reference. $asset
Format The metadata format to use. "com.apple.quicktime.udta" Optional

Result

Returns list or error.

Description

Queries metadata keys.
You can pass empty format to query all keys.
Or you use AVAsset.AvailableMetadataFormats to query the list of formats and limit query to only the given format.

Examples

Queries metadata keys:

MBS( "AVAsset.MetadataKeys"; "40001" )

See also

Example Databases

Blog Entries

This function checks for a license.

Created 19th June 2015, last changed 5th July 2015


AVAsset.Metadata - AVAsset.NaturalHeight