From 215084b31c3e5683c75a558911172d8f34661333 Mon Sep 17 00:00:00 2001
From: James Zern <jzern@google.com>
Date: Tue, 5 Mar 2013 12:02:28 -0800
Subject: vp8: clamp probability values

fixes out of bounds reads on vp8_prob_cost table.
present since:
217591f Added rate-targeted temporal scalability
v0.9.7-p1-71-g217591f

Change-Id: I9194b773098a381f1e3f67bd3307f05df27c24fd
---
 vp8/encoder/onyx_if.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'vp8/encoder/onyx_if.c')

diff --git a/vp8/encoder/onyx_if.c b/vp8/encoder/onyx_if.c
index 92f981857..555a9e4bc 100644
--- a/vp8/encoder/onyx_if.c
+++ b/vp8/encoder/onyx_if.c
@@ -2816,6 +2816,8 @@ static void update_rd_ref_frame_probs(VP8_COMP *cpi)
         if (cpi->common.refresh_alt_ref_frame)
         {
             cpi->prob_intra_coded += 40;
+            if (cpi->prob_intra_coded > 255)
+                cpi->prob_intra_coded = 255;
             cpi->prob_last_coded = 200;
             cpi->prob_gf_coded = 1;
         }
-- 
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