fix potential use of uninitialized rate_y

This issue likely doesn't appear in the unmodified encoder, but
sufficient hacking on the mode selection loop can expose it.

Change-Id: I8a35831e8f08b549806d0c2c6900d42af883f78f

diff --git a/vp8/encoder/rdopt.c b/vp8/encoder/rdopt.c
index fdc7213..745a4a1 100644 (file)
--- a/vp8/encoder/rdopt.c
+++ b/vp8/encoder/rdopt.c
@@ -741,7 +741,7 @@ static int rd_pick_intra4x4mby_modes(VP8_COMP *cpi, MACROBLOCK *mb, int *Rate,
         return INT_MAX;
 
     *Rate = cost;
-    *rate_y += tot_rate_y;
+    *rate_y = tot_rate_y;
     *Distortion = distortion;
 
     return RDCOST(mb->rdmult, mb->rddiv, cost, distortion);