From 90546c6ca70ee2316f3d7f0a860297a3d0978b79 Mon Sep 17 00:00:00 2001
From: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Date: Mon, 27 Sep 2021 04:36:41 +0200
Subject: [PATCH] avfilter/preserve_color: Add necessary headers

Fixes checkheaders.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
---
 libavfilter/preserve_color.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libavfilter/preserve_color.h b/libavfilter/preserve_color.h
index ac0587ad1e..158ee226bb 100644
--- a/libavfilter/preserve_color.h
+++ b/libavfilter/preserve_color.h
@@ -19,6 +19,10 @@
 #ifndef AVFILTER_PRESERVE_COLOR_H
 #define AVFILTER_PRESERVE_COLOR_H
 
+#include <math.h>
+
+#include "libavutil/macros.h"
+
 enum {
     P_NONE,
     P_LUM,