From 6c0fef57628229413ea5d808c0833747737fe898 Mon Sep 17 00:00:00 2001
From: Paul B Mahol <onemda@gmail.com>
Date: Mon, 2 Sep 2013 22:50:00 +0000
Subject: [PATCH] w64dec: fix skipping of unknown guids

Regression since 14d50c1.
Fixes #2932.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
(cherry picked from commit 79b70e47a463057a3a48353ee1dd58671c11f86c)
---
 libavformat/wavdec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/wavdec.c b/libavformat/wavdec.c
index adf41ecd89..d25ec5b333 100644
--- a/libavformat/wavdec.c
+++ b/libavformat/wavdec.c
@@ -697,7 +697,7 @@ static int w64_read_header(AVFormatContext *s)
             avio_skip(pb, end - avio_tell(pb));
         } else {
             av_log(s, AV_LOG_DEBUG, "unknown guid: "FF_PRI_GUID"\n", FF_ARG_GUID(guid));
-            avio_skip(pb, size - 24);
+            avio_skip(pb, FFALIGN(size, INT64_C(8)) - 24);
         }
     }