divx5 draw_edges bugfix

Originally committed as revision 322 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/mpegvideo.c

@@ -445,12 +445,12 @@ void MPV_frame_end(MpegEncContext *s)
 {
     /* draw edge for correct motion prediction if outside */
     if (s->pict_type != B_TYPE && !s->intra_only) {
-      if(s->avctx==NULL || s->avctx->codec->id!=CODEC_ID_MPEG4){
+      if(s->avctx==NULL || s->avctx->codec->id!=CODEC_ID_MPEG4 || s->divx_version==500){
         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{
-        /* OpenDivx, but i dunno how to distinguish it from mpeg4 */
+        /* mpeg4? / opendivx / xvid */
         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);