ILMMuxSubtitle Interface

The ILMMuxSubtitle interface is exposed by multiplexers, and is used to add subtitle streams to the multiplexer's output.

For an overview of how to use the ILMMuxSubtitle interface, refer to Displaying Subtitles.

Properties

Methods

HRESULT LeaveEdit(VARIANT_BOOL discard);

Description

Exits the edit mode.

Parameters

discard

A VARIANT_BOOL value that indicates whether to discard all changes made during edit mode. A value of VARIANT_TRUE discards all changes made while in edit mode. A value of VARIANT_FALSE will keep the changes.

Returns

HRESULT EnterEdit();

Description

Enters edit mode. Call this function before making changes to the tracks.

Returns

HRESULT RemoveTrack(LONG trackid);

Description

Removes the specified track.

Parameters

trackid

A long value that contains the track identifier.

Returns

HRESULT AddTextTrackFromFile(BSTR path, BSTR label, BSTR language, LONG *trackid);

Description

Adds a text track from a file. Currently, only the SubRip (*.srt) format is supported.

Parameters

path

A string value containing the path to the subtitle file.

label

A string value containing the track label.

language

A string value containing the RFC 5646 language code for the track.

trackid

A pointer to a long variable that receives the new track identifier.

Returns