From 027f032bbce9bdf7bbec40665b98590cade33416 Mon Sep 17 00:00:00 2001
From: Paul B Mahol <onemda@gmail.com>
Date: Wed, 21 Nov 2018 11:45:02 +0100
Subject: avformat/movenc: fix size calculation in mov_write_eac3_tag()

Otherwise it would assert when flushing bits.
---
 libavformat/movenc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'libavformat/movenc.c')

diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index 33978ee1b0..bee8e89760 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -541,7 +541,7 @@ static int mov_write_eac3_tag(AVIOContext *pb, MOVTrack *track)
         return AVERROR(EINVAL);
 
     info = track->eac3_priv;
-    size = 2 + 4 * (info->num_ind_sub + 1);
+    size = 2 + ((34 * (info->num_ind_sub + 1) + 7) >> 3);
     buf = av_malloc(size);
     if (!buf) {
         size = AVERROR(ENOMEM);
-- 
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