From 19ecf882882679aef24512022316eec4f57b9b0d Mon Sep 17 00:00:00 2001
From: "Ronald S. Bultje" <rsbultje@gmail.com>
Date: Sun, 10 Jun 2007 20:35:01 +0000
Subject: [PATCH] Add a bounds check on AVProbeData input. patch by Ronald S.
 Bultje, rbultje ronald.bitfreak net thread: Date: Sat, 09 Jun 2007 19:22:17
 -0400 Subject: [FFmpeg-devel] lavf probing

Originally committed as revision 9275 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavformat/utils.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/utils.c b/libavformat/utils.c
index d543461c81..0b7b5ee402 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -1936,7 +1936,7 @@ int av_find_stream_info(AVFormatContext *ic)
                 }
             }
         }else if(st->codec->codec_type == CODEC_TYPE_AUDIO) {
-            if (st->codec->codec_id == CODEC_ID_NONE) {
+            if (st->codec->codec_id == CODEC_ID_NONE && probe_data[st->index].buf_size > 0) {
                 codec_identified[st->index] = set_codec_from_probe_data(st, &(probe_data[st->index]), 0);
                 if (codec_identified[st->index]) {
                     st->need_parsing = AVSTREAM_PARSE_FULL;