ladspa: Update documentation

Ulrich Klauer committed 13 years ago

Commit 202042e1 parent 58ab5ac1 file · +10 −7Browse files

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 .SP
 This effect supports the \fB\-\-plot\fR global option.
 .TP
-\fBladspa\fR [\fB-r\fR] \fBmodule\fR [\fBplugin\fR] [\fBargument\fR...]
+\fBladspa\fR [\fB-r\fR] \fImodule\fR [\fIplugin\fR] [\fIargument\fR ...]
 Apply a LADSPA [5] (Linux Audio Developer's Simple Plugin API) plugin.
 Despite the name, LADSPA is not Linux-specific, and a wide range of
 effects is available as LADSPA plugins, such as cmt [6] (the Computer
 Music Toolkit) and Steve Harris's plugin collection [7]. The first
 argument is the plugin module, the second the name of the plugin (a
-module can contain more than one plugin) and any other arguments are
+module can contain more than one plugin), and any other arguments are
 for the control ports of the plugin. Missing arguments are supplied by
-default values if possible. Only plugins which do not modify the channel
+default values if possible.
-count may be used. The
+.SP
+Normally, the number of input ports of the plugin must match the number
+of input channels, and the number of output ports determines the output
+channel count.  However, the
 .B \-r
-(repeat) option allows cloning a mono plugin to handle multi-channel
+(replicate) option allows cloning a mono plugin to handle multi-channel
-effects chains.
+input.
+.SP
 If found, the environment variable LADSPA_PATH will be used as search
 path for plugins.
 .TP
 \fBloudness\fR [\fIgain\fR [\fIreference\fR]]
 Loudness control\*msimilar to the

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