From 54eb4ae0a2da947d3c509a7eaaeb91a86d9fa2ee Mon Sep 17 00:00:00 2001
From: Daniel Verkamp <daniel@drv.nu>
Date: Fri, 9 Oct 2009 18:29:19 +0000
Subject: [PATCH] Do not allow 0 sample rate in TMV demuxer

Originally committed as revision 20195 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavformat/tmv.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libavformat/tmv.c b/libavformat/tmv.c
index 4561a030e9..ab6a14f172 100644
--- a/libavformat/tmv.c
+++ b/libavformat/tmv.c
@@ -77,6 +77,11 @@ static int tmv_read_header(AVFormatContext *s, AVFormatParameters *ap)
         return AVERROR(ENOMEM);
 
     ast->codec->sample_rate = get_le16(pb);
+    if (!ast->codec->sample_rate) {
+        av_log(s, AV_LOG_ERROR, "invalid sample rate\n");
+        return -1;
+    }
+
     tmv->audio_chunk_size   = get_le16(pb);
     if (!tmv->audio_chunk_size) {
         av_log(s, AV_LOG_ERROR, "invalid audio chunk size\n");