libtheora: libtheora (Theora video codec library) libtheora: libtheora: Theora is Xiph.Org's first publicly released video codec, intended libtheora: for use within the Foundation's Ogg multimedia streaming system. libtheora: libtheora: The Theora bitstream format was frozen after the alpha3 release. This libtheora: means that files produced by the alpha3 encoder will always be libtheora: playable according to the Theora I specification. Traditionally libtheora: alpha means a proof of concept, not a production-ready release. libtheora: However the code is very robust, ready for and indeed in general use. libtheora: