What is MIME type "video/x-ms-vob"?

A MIME type is a string that tells browsers and other tools how to handle a particular kind of file.

video/x-ms-vob is the MIME type for DVD video container files. It identifies files that use the container format for DVD media.

The format stores video, audio, subtitles, and navigation data. It follows the MPEG-2 standard and holds complex streams meant for DVD playback. A VOB file is built to work with DVD players and multimedia software.

This MIME type informs systems and applications how to handle the file. For further reading about DVD video file structures, visit the DVD-Video article on Wikipedia.

video/x-ms-vob is key in multimedia uses, especially for DVD media.

Associated file extensions

Usage Examples

HTTP Header

When serving content with this MIME type, set the Content-Type header:


    Content-Type: video/x-ms-vob    
  

HTML

In HTML, you can specify the MIME type in various elements:


    <a href="file.dat" type="video/x-ms-vob">Download file</a>    
  

Server-side (Node.js)

Setting the Content-Type header in Node.js:


    const http = require('http');    
    
    http.createServer((req, res) => {    
      res.setHeader('Content-Type', 'video/x-ms-vob');    
      res.end('Content here');    
    }).listen(3000);    
  

Associated file extensions

FAQs

What is the video/x-ms-vob MIME type used for?

This MIME type represents VOB (Video Object) files, which are the core container format for DVD-Video media. These files contain multiplexed digital video (usually MPEG-2), audio, subtitles, and DVD menus. You will typically find them inside the VIDEO_TS folder of a DVD structure.

Can web browsers play video/x-ms-vob files directly?

No, modern browsers like Chrome, Firefox, and Edge do not natively support the playback of VOB files. To share this video content on the web, you should convert the file to a standard HTML5 format like video/mp4 or video/webm.

How do I open a file sent with this MIME type?

You need a dedicated media player that supports the DVD-Video standard and MPEG-2 codecs. Popular options include VLC Media Player, MPC-HC, and GOM Player. Standard system players (like Windows Media Player) may require specific codec packs to decode the video stream properly.

How do I configure Apache to serve .vob files correctly?

To ensure your Apache server sends the correct header, add the following line to your .htaccess file or main configuration: AddType video/x-ms-vob .vob. This ensures browsers and download managers recognize the file type rather than treating it as generic binary data.

What is the difference between video/x-ms-vob and video/mpeg?

While VOB files rely heavily on the MPEG-2 compression standard, video/mpeg is a generic type for MPEG streams. video/x-ms-vob specifically denotes the DVD container format, which includes extra navigation and encryption data not present in a raw MPEG stream.

Why does the MIME type start with 'x-ms-'?

The x- prefix indicates a non-standard extension type, and ms typically refers to Microsoft. This implies the MIME type was defined for use within Microsoft environments to distinguish DVD object files from standard MPEG files, though it is now widely recognized by various operating systems.

How can I convert video/x-ms-vob to MP4?

You can use video conversion software like HandBrake or command-line tools like FFmpeg. A simple FFmpeg command to convert the container is ffmpeg -i input.vob output.mp4, though re-encoding parameters are usually recommended for better quality and compression.

General FAQ

What is a MIME type?

A MIME (Multipurpose Internet Mail Extensions) type is a standard that indicates the nature and format of a document, file, or assortment of bytes. MIME types are defined and standardized in IETF's RFC 6838.

MIME types are important because they help browsers and servers understand how to process a file. When a browser receives a file from a server, it uses the MIME type to determine how to display or handle the content, whether it's an image to display, a PDF to open in a viewer, or a video to play.

MIME types consist of a type and a subtype, separated by a slash (e.g., text/html, image/jpeg, application/pdf). Some MIME types also include optional parameters.

How do I find the MIME type for a file?

You can check the file extension or use a file identification tool such as file --mime-type on the command line. Many programming languages also provide libraries to detect MIME types.

Why are multiple MIME types listed for one extension?

Different applications and historical conventions may use alternative MIME identifiers for the same kind of file. Showing them all helps ensure compatibility across systems.