totem movie player could not play VCD

Binary package hint: totem

using totem with win32 codecs from mediubuntu but it says "An error occurred: The playback of this movie requires a VCD protocol source plugin which is not installed." am a linux starter and help would be greatly appreciated.

ProblemType: Bug
Architecture: i386
Date: Sun May 13 00:02:32 2007
DistroRelease: Ubuntu 7.04
ExecutablePath: /usr/bin/totem
Package: totem-gstreamer 2.18.1-0ubuntu3
PackageArchitecture: i386
ProcCmdline: totem
ProcCwd: /home/tznnina
ProcEnviron:
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
 LANG=en_PH.UTF-8
 SHELL=/bin/bash
SourcePackage: totem
Uname: Linux tznnina-desktop 2.6.20-15-generic #2 SMP Sun Apr 15 07:36:31 UTC 2007 i686 GNU/Linux