+/**
+ * It returns a list (terminated with the value 0) of YUV fourccs in
+ * decreasing priority order for the given chroma.
+ *
+ * It will always return a non NULL pointer that must not be freed.
+ */
+VLC_EXPORT( const vlc_fourcc_t *, vlc_fourcc_GetYUVFallback, ( vlc_fourcc_t ) );
+
+/**
+ * It returns a list (terminated with the value 0) of RGB fourccs in
+ * decreasing priority order for the given chroma.
+ *
+ * It will always return a non NULL pointer that must not be freed.
+ */
+VLC_EXPORT( const vlc_fourcc_t *, vlc_fourcc_GetRGBFallback, ( vlc_fourcc_t ) );
+
+/**
+ * It returns true if the given fourcc is YUV and false otherwise.
+ */
+VLC_EXPORT( bool, vlc_fourcc_IsYUV, ( vlc_fourcc_t ) );
+
+/**
+ * It returns true if the two fourccs are equivalent if their U&V planes are
+ * swapped.
+ */
+VLC_EXPORT( bool, vlc_fourcc_AreUVPlanesSwapped, (vlc_fourcc_t , vlc_fourcc_t ) );
+
+