unrestricted MC fixed - thanks to Michael Niedermayer for idea

Originally committed as revision 236 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/mpegvideo.c

@@ -401,9 +401,15 @@ void MPV_frame_end(MpegEncContext *s)
 {
     /* draw edge for correct motion prediction if outside */
     if (s->pict_type != B_TYPE) {
+#if 1
+        draw_edges(s->current_picture[0], s->linesize, s->mb_width*16, s->mb_height*16, EDGE_WIDTH);
+        draw_edges(s->current_picture[1], s->linesize/2, s->mb_width*8, s->mb_height*8, EDGE_WIDTH/2);
+        draw_edges(s->current_picture[2], s->linesize/2, s->mb_width*8, s->mb_height*8, EDGE_WIDTH/2);
+#else
         draw_edges(s->current_picture[0], s->linesize, s->width, s->height, EDGE_WIDTH);
         draw_edges(s->current_picture[1], s->linesize/2, s->width/2, s->height/2, EDGE_WIDTH/2);
         draw_edges(s->current_picture[2], s->linesize/2, s->width/2, s->height/2, EDGE_WIDTH/2);
+#endif
     }
 }