# Adding Extra Tracks During demuxing Extra tracks can be added with the \--extra args The folder will be scan add a simple dictionary list will be created This is meant for adding for example subtitles that from another mkv that you have extracted Most keys will have placeholders that you will have to manually change Additionally some keys will only effect some track types A extra track should have the following values set if enabled is true * langcode or language * type ### Changing the order of the tracks Mediainfo will show you the default order of the tracks If you need to change this order look into \--track-order on you can pass this to PT-Muxer like \--otherargs \\"-- track order \[your args]\\" ### Keys * enabled: \[bool] Whether or not to enable this extra track default=false * langcode: \[string:2 char] used by mkvmerge to set track language. This is used to set the track language in "remux" mode default=null * lang: \[string] Translation of langcode to the actual language. This is for convenience, and has no effect on "remux" mode default=null * filename: \[string] auto retrieved name of filename used when scanning dir. default=autoretrived * site\_title : used to set title for mediainfo, set to None for no title. This will affect "remux" mode default=null * bdinfo\_title : just the title from bdinfo, changing this value has no effect default=placeholder * forced: \[bool] whether to set the forced flag. Also can be set by changing the site\_title to include "forced" default=false * type: \[string] whether this is an audio, video, sub. This value should not be changed as it is used during the "remux" process default=false * commentary: \[bool] Sets the Commentary flag to yes. Should be used for all audio and subtitle tracks that are commentary default=false * auditorydesc:\[bool] Turn on for tracks that include auditory descriptions, sets the Visual impaired flag. Applies only to audio tracks default=false * original: \[bool] Turn on for tracks in the movies original language,set the Original language flag. Applies only to audio tracks default=false * sdh:\[bool] Turns on the Hearing impaired flag. Applies only to sub tracks default=false * textdesc: \[bool] For subtitle tracks with text-based descriptions for the visually impaired that can be read via a screen reader. Applies only to sub tracks default=false * extra\_options:\[string] add extra mkvmerge commands default=null * default : \[bool] whether to set the default flag in mkv. default=false * notes:\[string] adds some notes about the track or things you changed default="Enter you own notes here" * extra\_options: \[string] add extra mkvmerge commands to track arguments are space separated default=null #### **Unique Keys** These keys are unique to this section * enabled: \[bool] Whether or not to enable this extra track * type: \[string]: What type of track is this must be Audio,Video, Sub or will be ignored --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://ptmuxer.gitbook.io/api-docs/advanced/adding-extra-tracks.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.