--- a/modules/highgui/src/cap_ffmpeg_impl.hpp
+++ b/modules/highgui/src/cap_ffmpeg_impl.hpp
@@ -42,6 +42,9 @@
 
 #define HAVE_FFMPEG_SWSCALE
 #define HAVE_GENTOO_FFMPEG
+#define AV_CODEC_FLAG_GLOBAL_HEADER (1 << 22)
+#define CODEC_FLAG_GLOBAL_HEADER AV_CODEC_FLAG_GLOBAL_HEADER
+#define AVFMT_RAWPICTURE 0x0020
 
 #include "cap_ffmpeg_api.hpp"
 #include <assert.h>