From e481ba2ed79421d82ed631d187c05c03260c6561 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Fri, 9 Nov 2012 18:04:54 +0100
Subject: [PATCH] vqf: check samplerate, avoid division by 0.
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
libavformat/vqf.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/libavformat/vqf.c b/libavformat/vqf.c
index 5fff84e049..f1e6aafd98 100644
--- a/libavformat/vqf.c
+++ b/libavformat/vqf.c
@@ -175,6 +175,10 @@ static int vqf_read_header(AVFormatContext *s)
break;
default:
st->codec->sample_rate = rate_flag*1000;
+ if (st->codec->sample_rate <= 0) {
+ av_log(s, AV_LOG_ERROR, "sample rate %d is invalid\n", st->codec->sample_rate);
+ return -1;
+ }
break;
}