From 47b777ceed470104fb4e6325d5ac1bddbb4752c8 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Wed, 30 May 2007 23:06:37 +0000
Subject: sanity checks (should prevent hypothetical div by zero issue) should
 fix sf bug #1547313

Originally committed as revision 9164 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/wma.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'libavcodec/wma.c')

diff --git a/libavcodec/wma.c b/libavcodec/wma.c
index 2241a07a0e..1f1495e6ef 100644
--- a/libavcodec/wma.c
+++ b/libavcodec/wma.c
@@ -72,6 +72,11 @@ int ff_wma_init(AVCodecContext * avctx, int flags2)
     int sample_rate1;
     int coef_vlc_table;
 
+    if(   avctx->sample_rate<=0 || avctx->sample_rate>50000
+       || avctx->channels<=0 || avctx->channels>8
+       || avctx->bit_rate<=0)
+        return -1;
+
     s->sample_rate = avctx->sample_rate;
     s->nb_channels = avctx->channels;
     s->bit_rate = avctx->bit_rate;
-- 
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