-@item qsquish @var{float} (@emph{encoding,video})
-How to keep quantizer between qmin and qmax (0 = clip, 1 = use
-differentiable function).
-
-@item rc_qmod_amp @var{float} (@emph{encoding,video})
-Set experimental quantizer modulation.
-
-@item rc_qmod_freq @var{integer} (@emph{encoding,video})
-Set experimental quantizer modulation.
-