From 5a7f5d7453e880ca284e261f7fe7aa910e7d7fc0 Mon Sep 17 00:00:00 2001
From: Eric Tang <eric.x.tang@gmail.com>
Date: Fri, 12 Jan 2018 15:48:21 -0500
Subject: [PATCH] fix write trailer bug

---
 av/avutil/avutil.go | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/av/avutil/avutil.go b/av/avutil/avutil.go
index 59ebd4a..1e980cd 100644
--- a/av/avutil/avutil.go
+++ b/av/avutil/avutil.go
@@ -300,11 +300,12 @@ func CopyFile(dst av.Muxer, src av.Demuxer) (err error) {
 		return
 	}
 	if err = CopyPackets(dst, src); err != nil {
-		return
+		if err != io.EOF {
+			return
+		}
 	}
 	if err = dst.WriteTrailer(); err != nil {
 		return
 	}
 	return
 }
-