totem-video-thumbnailer crashed with SIGSEGV in avcodec_decode_video()

Binary package hint: totem

Description: Ubuntu karmic (development branch)
Release: 9.10
totem:
  Installé : 2.28.1-0ubuntu1
  Candidat : 2.28.1-0ubuntu1
 Table de version :
 *** 2.28.1-0ubuntu1 0
        500 http://fr.archive.ubuntu.com karmic/main Packages
        100 /var/lib/dpkg/status

I don't know exactly why I have this message because totem was reading the video (without the good colors but it's not it's fault).

ProblemType: Crash
Architecture: i386
Date: Sun Oct 4 00:10:47 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/bin/totem-video-thumbnailer
NonfreeKernelModules: nvidia
Package: totem 2.28.1-0ubuntu1
ProcCmdline: /usr/bin/totem-video-thumbnailer -s 128 file:///home/username/Bureau/%5BDC%5D_Mamoru-kun_ni_Megami_no_Shukufuku_wo_!/%5BDC%5D_Mamoru-kun_ni_Megami_no_Shukufuku_wo_!_22v+%20-%20VOSTFR%20-%20%5BDVDrip%5D.mkv /tmp/.gnome_desktop_thumbnail.ZXFC1U
ProcEnviron:
 SHELL=/bin/bash
 PATH=(custom, user)
 LANG=fr_FR.UTF-8
 LANGUAGE=fr_FR.UTF-8
ProcVersionSignature: Ubuntu 2.6.31-11.38-generic
SegvAnalysis:
 Segfault happened at: 0x13230c8: mov 0xe8(%edx),%eax
 PC (0x013230c8) ok
 source "0xe8(%edx)" (0x800000e8) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: totem
StacktraceTop:
 ?? () from /usr/lib/i686/cmov/libavcodec.so.52
 avcodec_decode_video ()
 ?? () from /usr/lib/gstreamer-0.10/libgstffmpeg.so
 ?? () from /usr/lib/gstreamer-0.10/libgstffmpeg.so
 ?? () from /usr/lib/gstreamer-0.10/libgstffmpeg.so
Title: totem-video-thumbnailer crashed with SIGSEGV in avcodec_decode_video()
Uname: Linux 2.6.31-11-generic i686
UserGroups: adm admin audio cdrom dialout dip floppy fuse lpadmin plugdev sambashare video
XsessionErrors:
 (gnome-settings-daemon:3025): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
 (gnome-settings-daemon:3025): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
 (polkit-gnome-authentication-agent-1:3156): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
 (nautilus:3148): Eel-CRITICAL **: eel_preferences_get_boolean: assertion `preferences_is_initialized ()' failed