migration of Sounds; Liquidsoap 2.4 compatibility

aircox_streamer/templates/aircox_streamer/scripts/station.liq

@@ -10,9 +10,9 @@ Base liquidsoap station configuration.
 
 {% block functions %}
 {# Seek function #}
-def seek(source, t) =
+def seek(s, t) =
   t = float_of_string(default=0.,t)
-  ret = source.seek(source,t)
+  ret = source.seek(s,t)
   log("seek #{ret} seconds.")
   "#{ret}"
 end
@@ -30,6 +30,17 @@ def to_stream(live, stream)
   add(normalize=false, [live,stream])
 end
 
+{# Skip command #}
+def add_skip_command(s) =
+    def skip(_) =
+        source.skip(s)
+        "Done!"
+    end
+    server.register(namespace="#{source.id(s)}",
+        usage="skip",
+        description="Skip the current song.",
+        "skip",skip)
+end
 
 {% comment %}
 An interactive source is a source that:
@@ -45,10 +56,14 @@ def interactive (id, s) =
     server.register(namespace=id,
                     description="Get source's track remaining time",
                     usage="remaining",
-                    "remaining", fun (_) ->  begin json_of(source.remaining(s)) end)
+                    "remaining", fun (_) ->  begin json.stringify(source.remaining(s)) end)
 
-    s = store_metadata(id=id, size=1, s)
     add_skip_command(s)
+
+    {# metadata: create an interactive variable as "{id}_meta" #}
+    s_meta = interactive.string("#{id}_meta", "")
+    s = source.on_metadata(s, fun(meta) -> s_meta.set(json.stringify(meta)))
+
     s
 end
 
@@ -66,9 +81,6 @@ end
 set("server.socket", true)
 set("server.socket.path", "{{ streamer.socket_path }}")
 set("log.file.path", "{{ station.path }}/liquidsoap.log")
-{% for key, value in settings.AIRCOX_LIQUIDSOAP_SET.items %}
-set("{{ key|safe }}", {{ value|safe }})
-{% endfor %}
 {% endblock %}
 
 {% block config_extras %}