From bee89ed3ec61a4a0e72255ae6f4a4274d25b5ccd Mon Sep 17 00:00:00 2001
From: James Almer <jamrial@gmail.com>
Date: Fri, 14 Apr 2017 13:06:35 -0300
Subject: [PATCH] matroskaenc: don't warn about unknown spherical metadata when
 there isn't any

The same warning is issued when actual unknown spherical metadata is
found further down in the function.

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
---
 libavformat/matroskaenc.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c
index b8c434a6645..ab83acfffbf 100644
--- a/libavformat/matroskaenc.c
+++ b/libavformat/matroskaenc.c
@@ -662,10 +662,8 @@ static int mkv_write_video_projection(AVFormatContext *s, AVIOContext *pb,
         (const AVSphericalMapping *)av_stream_get_side_data(st, AV_PKT_DATA_SPHERICAL,
                                                             &side_data_size);
 
-    if (!side_data_size) {
-        av_log(NULL, AV_LOG_WARNING, "Unknown spherical metadata\n");
+    if (!side_data_size)
         return 0;
-    }
 
     ret = avio_open_dyn_buf(&dyn_cp);
     if (ret < 0)
-- 
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