or use graphics card to deinterlacing but i don't know is every graphics cards and drivers support it xvideo.c required patch for deinterlacing http://git.videolan.org/?p=vlc.git;a=blob;f=modules/video_output/xcb/xvideo.c;h=7428cb9811c22616ceee8963f03fca54aebc14c2;hb=HEAD regards, R.M.