hurry up support

returning buf_size insetad of 0


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@767 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavcodec/svq1.c

@@ -2577,6 +2577,8 @@ static int svq1_decode_frame(AVCodecContext *avctx,
 #endif
     return result;
   }
+  
+  if(avctx->hurry_up && s->pict_type==B_TYPE) return buf_size;
 
   /* decode y, u and v components */
   for (i=0; i < 3; i++) {
@@ -2645,7 +2647,7 @@ static int svq1_decode_frame(AVCodecContext *avctx,
   }
 
   *data_size=sizeof(AVPicture);
-  return 0;
+  return buf_size;
 }
 
 static int svq1_decode_init(AVCodecContext *avctx)