1 files changed, 2 insertions, 1 deletions
diff --git a/backends.h b/backends.h
index 50c1c45..5202421 100644
--- a/backends.h
+++ b/backends.h
@@ -92,9 +92,10 @@ typedef struct vorbis_info_residue0{
   /* first stage (lossless partitioning) */
   int    grouping;         /* group n vectors per partition */
   int    partitions;       /* possible codebooks for a partition */
+  int    partvals;         /* partitions ^ groupbook dim */
   int    groupbook;        /* huffbook for partitioning */
   int    secondstages[64]; /* expanded out to pointers in lookup */
-  int    booklist[256];    /* list of second stage books */
+  int    booklist[512];    /* list of second stage books */
 } vorbis_info_residue0;
 
 /* Mapping backend generic *****************************************/