Index: libavcodec/mpegvideo.c
===================================================================
RCS file: /cvsroot/ffmpeg/ffmpeg/libavcodec/mpegvideo.c,v
retrieving revision 1.481
diff -u -r1.481 mpegvideo.c
--- libavcodec/mpegvideo.c	8 May 2005 20:15:42 -0000	1.481
+++ libavcodec/mpegvideo.c	11 May 2005 03:07:28 -0000
@@ -2188,7 +2188,7 @@
             if(s->avctx->b_frame_strategy==0){
                 b_frames= s->max_b_frames;
                 while(b_frames && !s->input_picture[b_frames]) b_frames--;
-            }else if(s->avctx->b_frame_strategy==1){
+            }else if(s->avctx->b_frame_strategy==1 && !(s->flags&CODEC_FLAG_PASS2)){
                 for(i=1; i<s->max_b_frames+1; i++){
                     if(s->input_picture[i] && s->input_picture[i]->b_frame_score==0){
                         s->input_picture[i]->b_frame_score=