avcodec: move version check to avcodec.h

modules/codec/avcodec/avcodec.h

@@ -278,6 +278,16 @@ int ffmpeg_OpenCodec( decoder_t *p_dec );
 #   define HAVE_AVCODEC_MT
 #endif
 
+
+/* LIBAVCODEC_VERSION_CHECK checks for the right version of libav and FFmpeg
+ * a is the major version
+ * b and c the minor and micro versions of libav
+ * d and e the minor and micro versions of FFmpeg */
+#define LIBAVCODEC_VERSION_CHECK( a, b, c, d, e ) \
+    (LIBAVCODEC_VERSION_MICRO <  100 && LIBAVCODEC_VERSION_INT >= AV_VERSION_INT( a, b, c ) ) || \
+    (LIBAVCODEC_VERSION_MICRO >= 100 && LIBAVCODEC_VERSION_INT >= AV_VERSION_INT( a, d, e ) )
+
+
 /* Uncomment it to enable compilation with vaapi/dxva2/vda (you also must change the build
  * system) */
 //#define HAVE_AVCODEC_VAAPI 1

modules/codec/avcodec/fourcc.c

@@ -36,14 +36,6 @@
 #endif
 #include "avcodec.h"
 
-/* LIBAVCODEC_VERSION_CHECK checks for the right version of libav and FFmpeg
- * a is the major version
- * b and c the minor and micro versions of libav
- * d and e the minor and micro versions of FFmpeg */
-#define LIBAVCODEC_VERSION_CHECK( a, b, c, d, e ) \
-    (LIBAVCODEC_VERSION_MICRO <  100 && LIBAVCODEC_VERSION_INT >= AV_VERSION_INT( a, b, c ) ) || \
-    (LIBAVCODEC_VERSION_MICRO >= 100 && LIBAVCODEC_VERSION_INT >= AV_VERSION_INT( a, d, e ) )
-
 /*****************************************************************************
  * Codec fourcc -> ffmpeg_id mapping
  *****************************************************************************/