From 063259b8a15aa7952a3299a339f2052b553093bf Mon Sep 17 00:00:00 2001
From: Daniel Kang <daniel.d.kang@gmail.com>
Date: Sat, 8 Jan 2011 00:40:16 -0500
Subject: [PATCH] truemotion vector ID check

---
 libavcodec/truemotion1.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/libavcodec/truemotion1.c b/libavcodec/truemotion1.c
index d6ea4c1..338b4dc 100644
--- a/libavcodec/truemotion1.c
+++ b/libavcodec/truemotion1.c
@@ -387,7 +387,7 @@ static int truemotion1_decode_header(TrueMotion1Context *s)
     if ((header.compression & 1) && header.header_type)
         sel_vector_table = pc_tbl2;
     else {
-        if (header.vectable < 4)
+        if (header.vectable > 0 && header.vectable < 4)
             sel_vector_table = tables[header.vectable - 1];
         else {
             av_log(s->avctx, AV_LOG_ERROR, "invalid vector table id (%d)\n", header.vectable);
--
1.7.2.2
