The only video codec supported in the Annodex transport format is Ogg Theora.

The only audio codecs supported in the Annodex transport format are

• Ogg Vorbis and
• Ogg Speex

.

You can create Ogg Theora from most other existing video formats by using

• ffmpeg2theora or
• mplayer or
• gstreamer

For example, to transcode a quicktime mov to Ogg theora, you could do something like:

• ffmpeg2theora -o example.ogg example.mov
• mplayer -ao pcm -vo yuv4mpeg example.mov
• gst-launch -v oggmux name=mux ! filesink location=example.ogg filesrc location=example.mov ! qtdemux name=demux ! queue ! ffdec_h264 ! ffmpegcolorspace ! theoraenc ! mux. demux. ! queue ! faad ! audioconvert ! vorbisenc ! mux.