--- /dev/null
+commit 810a0235837d6f31d8b3c05544f99461df71403e
+Author: Larry Gritz <lg@larrygritz.com>
+Date: Mon Apr 23 15:50:14 2018 -0700
+
+ Changes to allow building against the new ffmpeg 4.0 (#1926)
+
+diff --git a/src/ffmpeg.imageio/ffmpeginput.cpp b/src/ffmpeg.imageio/ffmpeginput.cpp
+index 4e0cb3b9..548ddba4 100644
+--- a/src/ffmpeg.imageio/ffmpeginput.cpp
++++ b/src/ffmpeg.imageio/ffmpeginput.cpp
+@@ -124,6 +124,15 @@ inline int receive_frame(AVCodecContext *avctx, AVFrame *picture,
+ }
+ #endif
+
++
++// Changes for ffmpeg 4.0
++#define USE_FFMPEG_4_0 (LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(58, 18, 100))
++
++#if USE_FFMPEG_4_0
++# define CODEC_CAP_DELAY AV_CODEC_CAP_DELAY
++#endif
++
++
+ #include <boost/thread/once.hpp>
+
+ #include <OpenImageIO/imageio.h>