Enter (VideoLAN Client). VLC revolutionized playback because it operates on a different philosophy: It doesn't use your system's codec library.
: If a file refuses to open, it may be corrupted rather than missing a codec. xvid video codec vlc
*If you find yourself staring at a screen full of green artifacts or tearing video on an old AVI file, don Enter (VideoLAN Client)
This suggests VLC is struggling to decode the Xvid stream. xvid video codec vlc
It is a standard for PC playback and many older DVD/Blu-ray players.
If you are looking to files or troubleshoot a specific video, let me know: Are you getting a specific error message ? Do you need to compress a large video to a smaller size?