From 8dc8dd9f6fc0ab556cb12cd4a8c09d72587f8399 Mon Sep 17 00:00:00 2001
From: Mashiat Sarker Shakkhar <shahriman_ams@yahoo.com>
Date: Sat, 31 Dec 2011 23:49:49 +0600
Subject: [PATCH] Reset acfilter_prevvalues buffer in clear_codec_buffers()

---
 libavcodec/wmalosslessdec.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavcodec/wmalosslessdec.c b/libavcodec/wmalosslessdec.c
index 5ecb4241dd..ae7373abf5 100644
--- a/libavcodec/wmalosslessdec.c
+++ b/libavcodec/wmalosslessdec.c
@@ -752,6 +752,7 @@ static void clear_codec_buffers(WmallDecodeCtx *s)
 
     memset(s->acfilter_coeffs, 0,     16 * sizeof(int));
     memset(s->lpc_coefs      , 0, 40 * 2 * sizeof(int));
+    memset(s->acfilter_prevvalues, 0, 16 * 2 * sizeof(int)); // may be wrong
 
     memset(s->mclms_coeffs    , 0, 128 * sizeof(int16_t));
     memset(s->mclms_coeffs_cur, 0,   4 * sizeof(int16_t));