From 75af3972239f746ffca58ea185e47e341e68083f Mon Sep 17 00:00:00 2001
From: Isaac Connor <isaac@zoneminder.com>
Date: Wed, 17 Jul 2019 20:33:23 -0400
Subject: [PATCH] hwFrame isn't defined unless we have HWCONTEXT_H

---
 src/zm_ffmpeg_camera.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/zm_ffmpeg_camera.cpp b/src/zm_ffmpeg_camera.cpp
index 87b53c1d6..d5a02ddb7 100644
--- a/src/zm_ffmpeg_camera.cpp
+++ b/src/zm_ffmpeg_camera.cpp
@@ -649,10 +649,12 @@ int FfmpegCamera::Close() {
     av_frame_free(&mRawFrame);
     mRawFrame = NULL;
   }
+#if HAVE_LIBAVUTIL_HWCONTEXT_H
   if ( hwFrame ) {
     av_frame_free(&hwFrame);
     hwFrame = NULL;
   }
+#endif
 
 #if HAVE_LIBSWSCALE
   if ( mConvertContext ) {