diff --git a/doc/filters.texi b/doc/filters.texi index 009cab36a5..6fd192c285 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -114,10 +114,11 @@ output pads is called a "sink". @anchor{Filtergraph syntax} @section Filtergraph syntax -A filtergraph has a textual representation, which is -recognized by the @option{-filter}/@option{-vf} and @option{-filter_complex} -options in @command{ffmpeg} and @option{-vf} in @command{ffplay}, and by the -@code{avfilter_graph_parse()}/@code{avfilter_graph_parse2()} functions defined in +A filtergraph has a textual representation, which is recognized by the +@option{-filter}/@option{-vf}/@option{-af} and +@option{-filter_complex} options in @command{ffmpeg} and +@option{-vf}/@option{-af} in @command{ffplay}, and by the +@code{avfilter_graph_parse_ptr()} function defined in @file{libavfilter/avfilter.h}. A filterchain consists of a sequence of connected filters, each one