Use fixed quality scale (VBR). The meaning of @var{q} is
codec-dependent.
+@item -filter[:stream_specifier] @var{filter_graph}
+@var{filter_graph} is a description of the filter graph to apply to
+the stream. Use @code{-filters} to show all the available filters
+(including also sources and sinks).
+
@end table
@section Video Options
@var{filter_graph} is a description of the filter graph to apply to
the input video.
Use the option "-filters" to show all the available filters (including
-also sources and sinks).
+also sources and sinks). This is an alias for @code{-filter:v}.
@end table