Fix #8 (Spang) changing to "X Window System (No Xv)" worked for me too (Nvidia 185.18.36, kernel 2.6.31-14-generic, libgstreamer 0.10.25, ubuntu 9.10 32 bits up to date).
Fix #8 (Spang) changing to "X Window System (No Xv)" worked for me too (Nvidia 185.18.36, kernel 2.6.31-14-generic, libgstreamer 0.10.25, ubuntu 9.10 32 bits up to date).