Index: ve_x264.c
===================================================================
--- ve_x264.c   (revision 20333)
+++ ve_x264.c   (working copy)
@@ -152,6 +152,8 @@
     mod->mux->bih->biHeight = height;
     mod->mux->aspect = (float)d_width/d_height;
     
+    // make sure param is initialized
+    x264enc_set_param(NULL, "");
     param.i_width = width;
     param.i_height = height;
     param.i_fps_num = mod->mux->h.dwRate;