@item simplemmx
+@item simpleauto
+Automatically pick a IDCT compatible with the simple one
+
@item arm
@item altivec
Set frame skip exponent.
Negative values behave identical to the corresponding positive ones, except
that the score is normalized.
-Positive values exist primarly for compatibility reasons and are not so useful.
+Positive values exist primarily for compatibility reasons and are not so useful.
@item skipcmp @var{integer} (@emph{encoding,video})
Set frame skip compare function.