low_delay / has_b_frames fix


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@770 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavcodec/h263.c

@@ -3504,6 +3504,8 @@ int mpeg4_decode_picture_header(MpegEncContext * s)
                 return -1;
             }
         }else{
+            // set low delay flag only once so the smart? low delay detection wont be overriden
+            if(s->picture_number==0)
                 s->low_delay=0;
         }