MatroskaSubtitleTrack class

Represents subtitle metadata in a Matroska video.

Inheritance: MatroskaSubtitleTrack → MatroskaTrack → MatroskaBasePackage → CustomPackage → MetadataPackage

The MatroskaSubtitleTrack type exposes the following members:

Property	Description
metadata_type	Gets the metadata type.
keys	Gets a collection of the metadata property names.
property_descriptors	Gets a collection of descriptors that contain information about properties accessible through the GroupDocs.Metadata search engine.
count	Gets the number of metadata properties.
track_number	Gets the track number as used in the Block Header. Using more than 127 tracks is not encouraged, though the design allows an unlimited number.
track_uid	Gets the unique ID to identify the Track. This SHOULD be kept the same when making a direct stream copy of the Track to another file.
track_type	Gets the type of the track.
flag_enabled	Gets the enabled flag, true if the track is usable.
default_duration	Gets the number of nanoseconds (not scaled via `MatroskaSegment.timecode_scale`) per frame.
name	Gets the human-readable track name.
language	Gets the language of the track in the Matroska languages form. This Element MUST be ignored if the `MatroskaTrack.language_ietf` Element is used in the same TrackEntry.
language_ietf	Gets the language of the track according to BCP 47 and using the IANA Language Subtag Registry. If this Element is used, then any `MatroskaTrack.language` Elements used in the same TrackEntry MUST be ignored.
codec_id	Gets an ID corresponding to the codec.
codec_name	Gets a human-readable string specifying the codec.
subtitles	Gets the subtitles.

Method	Description
`contains(self, property_name)`	Determines whether the package contains a metadata property with the specified name.
`find_properties(self, specification)`	Finds the metadata properties satisfying a specification. The search is recursive so it affects all nested packages as well.
`update_properties(self, specification, value)`	Updates known metadata properties satisfying a specification. The operation is recursive so it affects all nested packages as well.
`remove_properties(self, specification)`	Removes metadata properties satisfying a specification.
`add_properties(self, specification, value)`	Adds known metadata properties satisfying the specification. The operation is recursive so it affects all nested packages as well.
`set_properties(self, specification, value)`	Sets known metadata properties satisfying the specification. The operation is recursive so it affects all nested packages as well. This method is a combination of `MetadataPackage.add_properties` and `MetadataPackage.update_properties`. If an existing property satisfies the specification its value is updated. If there is a known property missing in the package that satisfies the specification it is added to the package.
`sanitize(self)`	Removes writable metadata properties from the package. The operation is recursive so it affects all nested packages as well.

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