+Apply film grain to the decoded video if present in the bitstream. Defaults to the
+internal default of the library.
+
+@item oppoint
+Select an operating point of a scalable AV1 bitstream (0 - 31). Defaults to the
+internal default of the library.
+
+@item alllayers
+Output all spatial layers of a scalable AV1 bitstream. The default value is false.