From 5ee05a62f968ef62198188d5c4ac68a1d20fc32d Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Tue, 8 Dec 2009 14:18:15 +0000
Subject: [PATCH] Check that the buffer size speified to avcodec_encode_audio()
 is not larger than the actual size.

Originally committed as revision 20767 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 ffmpeg.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/ffmpeg.c b/ffmpeg.c
index 03231c7bd0..9de9c3f571 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -728,6 +728,11 @@ static void do_audio_out(AVFormatContext *s,
         if (coded_bps)
             size_out = size_out*coded_bps/8;
 
+        if(size_out > audio_out_size){
+            fprintf(stderr, "Internal error, buffer size too small\n");
+            av_exit(1);
+        }
+
         //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
         ret = avcodec_encode_audio(enc, audio_out, size_out,
                                    (short *)buftmp);