From 5f995b0e72ed6f186cb0ab2a525c4cfce614f3a9 Mon Sep 17 00:00:00 2001
From: Andreas Huber <andih@google.com>
Date: Wed, 20 Oct 2010 14:29:41 -0700
Subject: Make sure we can encode the size of the codec specific data in a
 single byte.

Change-Id: If7680cbfb380180c8dd6d6019b9c6c67661e468d
---
 media/libstagefright/MPEG4Writer.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/media/libstagefright/MPEG4Writer.cpp b/media/libstagefright/MPEG4Writer.cpp
index e53b0a0..6c8287c 100644
--- a/media/libstagefright/MPEG4Writer.cpp
+++ b/media/libstagefright/MPEG4Writer.cpp
@@ -2194,6 +2194,9 @@ void MPEG4Writer::Track::writeTrackHeader(
                         CHECK(mCodecSpecificData);
                         CHECK(mCodecSpecificDataSize > 0);
 
+                        // Make sure all sizes encode to a single byte.
+                        CHECK(mCodecSpecificDataSize + 23 < 128);
+
                         mOwner->writeInt32(0);     // version=0, flags=0
                         mOwner->writeInt8(0x03);   // ES_DescrTag
                         mOwner->writeInt8(23 + mCodecSpecificDataSize);
-- 
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