From 71a04b8a27d6d519e0ea85af87da886a718ad822 Mon Sep 17 00:00:00 2001
From: alexc <alexc@9553f0bf-9b14-0410-a0b8-cfaf0461ba5b>
Date: Tue, 3 Feb 2009 22:59:47 +0000
Subject: [PATCH] VP3: Prevent stack corruption from an unset custom coding
 method.

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@16978 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b
---
 libavcodec/vp3.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavcodec/vp3.c b/libavcodec/vp3.c
index 8dc2da4f0..c44e6e49b 100644
--- a/libavcodec/vp3.c
+++ b/libavcodec/vp3.c
@@ -741,6 +741,8 @@ static int unpack_modes(Vp3DecodeContext *s, GetBitContext *gb)
 
         /* is it a custom coding scheme? */
         if (scheme == 0) {
+            for (i = 0; i < 8; i++)
+                custom_mode_alphabet[i] = MODE_INTER_NO_MV;
             for (i = 0; i < 8; i++)
                 custom_mode_alphabet[get_bits(gb, 3)] = i;
         }
-- 
2.39.2