Revision: 20090102_001654 | All Revisions
The OLPC XO laptop is an excellent educational tool. The installed Sugar operating system comes bundled with numerous children program for all ages.
Unlike other operating system, which uses commercial and proprietary software, the Sugar operating system relies on completely free and unrestricted software. Therefore, the video format that the OLPC XO laptop supports is the OGG format.
"Ogg is a free, open standard container format maintained by the Xiph.Org Foundation. The Ogg format is unrestricted by software patents and is designed to provide for efficient streaming and manipulation of high quality digital multimedia." - Wikipedia
This article focuses on how to create OGG video for the OLPC XO laptops that run the Sugar operating system. It will attempt to explain how to play back the OGG videos on that platform as well. You can use this article to help your create OGG videos even if you aren't going to use it on the XO laptop. Just ignore the sections that pertains only to the XO laptop. If you don't want to create OGG videos, but you just want to play them back on your XO, read the later sections of this article.
This section attempts to explain how to create OGG video on Windows operating system, using free tools. It assumes that you already have a video on your hard drive. And it assumes that the video is already in DV (or MPEG) format. If you need instructions on how to create or capture DV/MPEG format videos, please refer to our articles in the Digital Video directory.
Windows does not come with tools for authoring OGG videos. Therefore, you need to download a free tool to do the OGG conversion. One of the easiest free tool is the G-Frontend (ffmpeg2theora). The latest version as of this writing is v2007.2 Final. You can download a copy of it here: GFrontend (ffmpeg2theora) v2007.2 Final.
Although the title of this software sounds like the front-end of another software, which it is, it also included the other software in the package. Therefore, you just have to download this one software tool, install it, and run it.
Converting video to OGG with G-Frontend (ffmpeg2theora) is easy. Simply load up the software, add the video files you want to convert, and click on the "START" button. It can't be any easier than that.
Once you have OGG videos, you are ready to play them back on the XO. There are numerous way to play OGG videos on the XO. The sections below will outline each one of them.