From cc49341084f01948b4ab651c34b655afe338f44a Mon Sep 17 00:00:00 2001
From: Carl Eugen Hoyos <ceffmpeg@gmail.com>
Date: Wed, 20 Mar 2019 18:56:47 +0100
Subject: lavf/avformat: Add a warning that ff_const59 is not part of the
 public api.

---
 libavformat/avformat.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libavformat/avformat.h b/libavformat/avformat.h
index 8ed72af0f7..73615cb122 100644
--- a/libavformat/avformat.h
+++ b/libavformat/avformat.h
@@ -532,6 +532,10 @@ typedef struct AVOutputFormat {
      * New public fields should be added right above.
      *****************************************************************
      */
+    /**
+     * The ff_const59 define is not part of the public API and will
+     * be removed without further warning.
+     */
 #if FF_API_AVIOFORMAT
 #define ff_const59
 #else
-- 
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