Packages with the theora use flag

Global definition: Add support for the Theora Video Compression Codec.

games-engines / scummvm : Reimplementation of the SCUMM game engine used in Lucasarts adventures

games-engines / stratagus : A realtime strategy game engine

games-fps / turtlearena : A turtle featuring free and open source third-person action game (ioq3 engine)

games-fps / worldofpadman : A cartoon style multiplayer first-person shooter

media-libs / gst-plugins-base : Basepack of plugins for gstreamer

media-libs / libshout : library for connecting and sending data to icecast servers

media-libs / xine-lib : Core libraries for Xine movie player

media-plugins / gst-plugins-meta : Meta ebuild to pull in gst plugins for apps

media-plugins / mythplugins : Official MythTV plugins

media-video / ffmpeg : Complete solution to record/convert/stream audio and video. Includes libavcodec

media-video / gpac : Implementation of the MPEG-4 Systems standard developed from scratch in ANSI C

media-video / mplayer : Media Player for Linux

media-video / ogmrip : Graphical frontend and libraries for ripping DVDs and encoding to AVI/OGM/MKV/MP4

media-video / simplescreenrecorder : A Simple Screen Recorder

media-video / transcode : Utilities for transcoding video and audio codecs in different containers

media-video / vlc : Media player and framework with support for most multimedia files and streaming

net-irc / kvirc : Advanced IRC Client

net-libs / qxmpp : A cross-platform C++ XMPP client library based on the Qt framework

net-misc / icecast : Opensource alternative to shoutcast that supports mp3, ogg and aac streaming

sci-astronomy / celestia : OpenGL 3D space simulator

sci-libs / vtk : The Visualization Toolkit