From 8ad5124b7ecf7f727724e270a7b4bb8c7bcbf6a4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Storsj=C3=B6?= <martin@martin.st>
Date: Sat, 7 Nov 2015 01:18:05 +0200
Subject: [PATCH] movenc: Automatically flush after writing the initial moov
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In most other cases when writing fragmented mp4 files, the output
IO context is flushed after each fragment. Also flush it after
writing the initial moov, to have it behave in the same way.

Signed-off-by: Martin Storsjö <martin@martin.st>
---
 libavformat/movenc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index 572e781fdc1..3ee54bf3f38 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -4048,6 +4048,7 @@ static int mov_write_header(AVFormatContext *s)
     if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
         !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
         mov_write_moov_tag(pb, mov, s);
+        avio_flush(pb);
         mov->moov_written = 1;
         if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
             mov->reserved_header_pos = avio_tell(pb);
-- 
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