From 0e70266bbfade1457189cc402cab2cdd7ec94c7b Mon Sep 17 00:00:00 2001
From: Carl Eugen Hoyos <cehoyos@ag.or.at>
Date: Fri, 18 Jul 2014 20:30:14 +0200
Subject: [PATCH] Write valid free atom when -moov_size is specified.
Fixes ticket #3769.
---
libavformat/movenc.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index b3287cab930..4b9a4f1f466 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -4398,8 +4398,7 @@ static int mov_write_trailer(AVFormatContext *s)
}
avio_wb32(pb, size);
ffio_wfourcc(pb, "free");
- for (i = 0; i < size; i++)
- avio_w8(pb, 0);
+ ffio_fill(pb, 0, size - 8);
avio_seek(pb, moov_pos, SEEK_SET);
} else {
mov_write_moov_tag(pb, mov, s);
--
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