Apparently a while ago VP3 decoding stopped working in VLC and ffmpeg. http://sidekick.student.utwente.nl/videolan/VP3-Artifact.mov results in: http://sidekick.student.utwente.nl/videolan/hoi.avi All VP3 samples share this effect. DJ --- Videolan - VLC media player Derk-Jan Hartman (hartman at videolan dot org) http://www.videolan.org/vlc