PUBLIC MARKS with tags ffmpeg & ubuntu

A common question is "why doesn't the repository FFmpeg convert to mp3, aac, mpeg4, etc?". Ubuntu doesn't make it very clear to the general user as to why to repo FFmpeg is so limited or how to fix this issue. This is reflected in the number of forum questions relating to this topic.

Installer la dernière versiob des codecs X.264 / Theora et du logiciel FFMpeg sous Ubuntu 10.04

Installer la dernière version des codecs X.264 / Theora et du logiciel FFMpeg sous Ubuntu 9.04

ffmpeg is a versatile video tool used to encode and convert a multitude of video and audio formats. x264 is a library used to encode H264 video and creates excellent looking video usually superior to xvid and other popular codecs. x264 is used by Avidemux, GordianKnot, VLC Player, MEncoder, and Handbrake. Although ffmpeg and x264 are available in the Ubuntu repositories, you may need to compile from source. For example, the ffmpeg-user mailing list requires that you use the latest ffmpeg svn before asking for help. Since ffmpeg and x264 are updated frequently, you may also like to have the bleeding-edge for encoding videos. Also, ffmpeg in the Ubuntu repository may not support all of the codecs and formats that you may need