Not synchronize the subtitles when the film forward and backward

Binary package hint: totem

not synchronize the subtitles when the film forward and backward

$ LANGUAGE=C GST_DEBUG_NO_COLOR=1 GST_DEBUG=*:2 totem 2> log
$ cat log

(totem:6667): GLib-GObject-WARNING **: value "10752000" of type `guint' is invalid or out of range for property `connection-speed' of type `guint'
0:00:08.499809054 6667 0xa654ed8 WARN subparse gstsubparse.c:544:convert_encoding:<parser> could not convert string from 'UTF-8' to UTF-8: Invalid byte sequence in conversion input
0:00:09.375832311 6667 0x9c05080 WARN totem bacon-video-widget-gst-0.10.c:1589:bvw_handle_element_message: Unhandled element message playbin2-stream-changed from play: element message from element 'play': playbin2-stream-changed, uri=(string)file:///home/caravena/Descargas/house.s06e14.hdtv.xvid-fqm.avi, suburi=(string)file:///home/caravena/Descargas/house.s06e14.hdtv.xvid-fqm.srt;
0:00:16.974911040 6667 0xa654ed8 WARN subparse gstsubparse.c:544:convert_encoding:<parser> could not convert string from 'UTF-8' to UTF-8: Invalid byte sequence in conversion input
0:00:53.048479388 6667 0xa654ed8 WARN subparse gstsubparse.c:544:convert_encoding:<parser> could not convert string from 'UTF-8' to UTF-8: Invalid byte sequence in conversion input
0:00:53.049495853 6667 0xa654ed8 WARN subparse gstsubparse.c:544:convert_encoding:<parser> could not convert string from 'UTF-8' to UTF-8: Invalid byte sequence in conversion input
0:00:53.050508267 6667 0xa654ed8 WARN subparse gstsubparse.c:544:convert_encoding:<parser> could not convert string from 'UTF-8' to UTF-8: Invalid byte sequence in conversion input
0:00:53.051302778 6667 0xa654ed8 WARN subparse gstsubparse.c:544:convert_encoding:<parser> could not convert string from 'UTF-8' to UTF-8: Invalid byte sequence in conversion input
0:00:59.527401603 6667 0xa654ed8 WARN subparse gstsubparse.c:544:convert_encoding:<parser> could not convert string from 'UTF-8' to UTF-8: Invalid byte sequence in conversion input
0:00:59.528307859 6667 0xa654ed8 WARN subparse gstsubparse.c:544:convert_encoding:<parser> could not convert string from 'UTF-8' to UTF-8: Invalid byte sequence in conversion input

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: totem 2.30.0git20100413-0ubuntu1
Uname: Linux 2.6.34-rc4.140410 i686
Architecture: i386
Date: Tue Apr 20 16:33:12 2010
ExecutablePath: /usr/bin/totem
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Beta i386 (20100406.1)
ProcEnviron:
 LANG=es_CL.utf8
 SHELL=/bin/bash
SourcePackage: totem