remove DynamicDevice from plugin

src/model/plugin/lv2.rs

@@ -40,3 +40,47 @@ impl LV2Plugin {
     }
 }
 
+impl super::Plugin {
+    pub fn lv2 (name: &str, path: &str) -> Usually<Self> {
+        let mut host = Self::new(name)?;
+        let plugin = LV2Plugin::new(path)?;
+        let client = &host.jack;
+        let (midi_ins, midi_outs, audio_ins, audio_outs) = (
+            plugin.plugin.port_counts().atom_sequence_inputs,
+            plugin.plugin.port_counts().atom_sequence_outputs,
+            plugin.plugin.port_counts().audio_inputs,
+            plugin.plugin.port_counts().audio_outputs,
+        );
+        host.midi_ins = {
+            let mut ports = vec![];
+            for i in 0..midi_ins {
+                ports.push(client.register_port(&format!("midi-in-{i}"), MidiIn::default())?)
+            }
+            ports
+        };
+        host.midi_outs = {
+            let mut ports = vec![];
+            for i in 0..midi_outs {
+                ports.push(client.register_port(&format!("midi-out-{i}"), MidiOut::default())?)
+            }
+            ports
+        };
+        host.audio_ins = {
+            let mut ports = vec![];
+            for i in 0..audio_ins {
+                ports.push(client.register_port(&format!("audio-in-{i}"), AudioIn::default())?)
+            }
+            ports
+        };
+        host.audio_outs = {
+            let mut ports = vec![];
+            for i in 0..audio_outs {
+                ports.push(client.register_port(&format!("audio-out-{i}"), AudioOut::default())?)
+            }
+            ports
+        };
+        host.plugin = Some(super::PluginKind::LV2(plugin));
+        host.path   = Some(String::from(path));
+        Ok(host)
+    }
+}