diff --git a/multimedia/graphics/openimageio/files/ffmpeginput.patch b/multimedia/graphics/openimageio/files/ffmpeginput.patch
new file mode 100644
index 0000000000..acd5d160ff
--- /dev/null
+++ b/multimedia/graphics/openimageio/files/ffmpeginput.patch
@@ -0,0 +1,38 @@
+diff -Nuar a/src/ffmpeg.imageio/ffmpeginput.cpp b/src/ffmpeg.imageio/ffmpeginput.cpp
+--- a/src/ffmpeg.imageio/ffmpeginput.cpp	2018-03-01 08:49:23.000000000 +0300
++++ b/src/ffmpeg.imageio/ffmpeginput.cpp	2018-04-27 01:05:14.877091949 +0300
+@@ -124,6 +124,15 @@
+ }
+ #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>
+@@ -136,12 +145,12 @@
+ public:
+     FFmpegInput ();
+     virtual ~FFmpegInput();
+-    virtual const char *format_name (void) const { return "FFmpeg movie"; }
+-    virtual bool open (const std::string &name, ImageSpec &spec);
+-    virtual bool close (void);
+-    virtual int current_subimage (void) const { return m_subimage; }
+-    virtual bool seek_subimage (int subimage, int miplevel, ImageSpec &newspec);
+-    virtual bool read_native_scanline (int y, int z, void *data);
++    virtual const char *format_name (void) const override { return "FFmpeg movie"; }
++    virtual bool open (const std::string &name, ImageSpec &spec) override;
++    virtual bool close (void) override;
++    virtual int current_subimage (void) const override { return m_subimage; }
++    virtual bool seek_subimage (int subimage, int miplevel, ImageSpec &newspec) override;
++    virtual bool read_native_scanline (int y, int z, void *data) override;
+     void read_frame(int pos);
+ #if 0
+     const char *metadata (const char * key);