From d1122b7ce5f5d9bb9bcdf5efe67e76778cd4260a Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Sat, 8 Mar 2014 01:31:42 +0100
Subject: [PATCH] avcodec/wmadec: initialize max_exponent to valid values

Fixes generation of NaN output
Fixes: nan_example.wma
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
 libavcodec/wmadec.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavcodec/wmadec.c b/libavcodec/wmadec.c
index e6a0b04779..b1816b4eea 100644
--- a/libavcodec/wmadec.c
+++ b/libavcodec/wmadec.c
@@ -100,6 +100,9 @@ static av_cold int wma_decode_init(AVCodecContext * avctx)
         }
     }
 
+    for (i=0; i<MAX_CHANNELS; i++)
+        s->max_exponent[i] = 1.0;
+
     if(ff_wma_init(avctx, flags2)<0)
         return -1;