[FFmpeg-cvslog] avcodec/wmadec: initialize max_exponent to valid values

Michael Niedermayer git at videolan.org
Sat Mar 8 01:46:51 CET 2014


ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Sat Mar  8 01:31:42 2014 +0100| [d1122b7ce5f5d9bb9bcdf5efe67e76778cd4260a] | committer: Michael Niedermayer

avcodec/wmadec: initialize max_exponent to valid values

Fixes generation of NaN output
Fixes: nan_example.wma
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=d1122b7ce5f5d9bb9bcdf5efe67e76778cd4260a
---

 libavcodec/wmadec.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavcodec/wmadec.c b/libavcodec/wmadec.c
index e6a0b04..b1816b4 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;
 



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