Media Server 26.1
Media Server Help

# Filter Engine

A Filter engine creates a filtered copy of the input track, so that the output only includes records which meet specified conditions.

Configuration Parameter | Description
--- | ---
Input | The track to filter.
LuaLine | A Lua script that determines whether a record is included in the output.
LuaScript | A Lua script that determines whether a record is included in the output.
MaxDuration | Records longer than the specified duration are not included in the output track.
MinDuration | Records shorter than the specified duration are not included in the output track.
RequiredString | A string that a record must contain to be included in the output track.
RequiredSubstring | A substring that a record must contain to be included in the output track.
Type | The type of ESP engine to use. Set this parameter to `filter`.

## Output Tracks

This engine produces a single output track, named `TaskName.Output`. The output track has the same format as the input track.

Copyright 2025 Open Text
Version 26.1 | Last updated January 2026

Send documentation feedback

Close

Send documentation feedback

To send feedback using your default email client, open an email window.

Otherwise, send your feedback and the information below to MFI-swpdl.idoldocsfeedback@opentext.com.

We appreciate your feedback!

Product: Knowledge Discovery Media Server 26.1

Topic Title: Filter Engine