pw-top: add new tool

Uses ncurses to display all drivers and nodes with their latency,
error count and DSP usage.

src/tools/meson.build

@@ -45,6 +45,15 @@ executable('pw-metadata',
 	dependencies : [pipewire_dep],
 )
 
+if ncurses_dep.found()
+  executable('pw-top',
+	'pw-top.c',
+	c_args : [ '-D_GNU_SOURCE' ],
+	install: true,
+	dependencies : [pipewire_dep, ncurses_dep],
+  )
+endif
+
 if get_option('pw-cat') and sndfile_dep.found()
 
   pwcat_sources = [