From 9e6a80158e9a58903ddd4faa18bd3c7215a2ccda Mon Sep 17 00:00:00 2001
From: Moritz Bunkus <moritz@bunkus.org>
Date: Thu, 28 Apr 2005 14:50:43 +0000
Subject: [PATCH] Refuse AAC codec data where the profile id is 0.

---
 src/common/aac_common.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/common/aac_common.cpp b/src/common/aac_common.cpp
index f2c94323c..12ff850c8 100644
--- a/src/common/aac_common.cpp
+++ b/src/common/aac_common.cpp
@@ -217,7 +217,10 @@ parse_aac_data(unsigned char *data,
     mxverb(4, "%02x ", data[i]);
   mxverb(4, "\n");
 
-  profile = (data[0] >> 3) - 1;
+  profile = data[0] >> 3;
+  if (0 == profile)
+    return false;
+  --profile;
   sample_rate = aac_sampling_freq[((data[0] & 0x07) << 1) | (data[1] >> 7)];
   channels = (data[1] & 0x7f) >> 3;
   if (size == 5) {