libTheora

Description	Theora is a free lossy video compression format. It is developed by the Xiph.Org Foundation and distributed without licensing fees alongside their other free and open media projects, including the Vorbis audio format and the Ogg container.
Original Source	https://www.xiph.org/theora/
License conditions	3-clause BSD License (BSD-3-Clause)
Copyright	Copyright (C) 2002-2009 Xiph.org Foundation
Version	1.1.1
Download	The libtheora implementation depends on the following libraries... libogg-1.3.1 libvorbis-1.3.3 libSDL 1.2 or later for the playback example