From 3680b2435101a5de56821718a71c828320d535a0 Mon Sep 17 00:00:00 2001
From: Sean McGovern <gseanmcg@gmail.com>
Date: Thu, 2 Aug 2012 15:37:28 -0400
Subject: wmapro: prevent division by zero when sample rate is unspecified

This fixes Bugzilla #327:

Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>
---
 libavcodec/wmaprodec.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'libavcodec/wmaprodec.c')

diff --git a/libavcodec/wmaprodec.c b/libavcodec/wmaprodec.c
index 30a43c8585..699c1b7503 100644
--- a/libavcodec/wmaprodec.c
+++ b/libavcodec/wmaprodec.c
@@ -335,6 +335,11 @@ static av_cold int decode_init(AVCodecContext *avctx)
         return AVERROR_INVALIDDATA;
     }
 
+    if (s->avctx->sample_rate <= 0) {
+        av_log(avctx, AV_LOG_ERROR, "invalid sample rate\n");
+        return AVERROR_INVALIDDATA;
+    }
+
     s->num_channels = avctx->channels;
 
     if (s->num_channels < 0) {
-- 
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