blender VSE multithreaded

Here script blender.stackexchange.com/questions/7738/how-to-make-vse-render-faster which transformed in same thread in external program to render from blender VSE in multithreaded way. They good but in some cases they give .net errors for difficult scenes when in VSE uses compositor insertion etc. not important in this time - important that if multithreaded rendering for Blender VSE can be realised in script way then i think it is possible insert in blender inside.