Add linein action

Author: jishi

lib/actions/linein.js

@@ -0,0 +1,22 @@
+'use strict';
+
+function linein(player, values) {
+  const sourcePlayerName = values[0];
+  let lineinSourcePlayer = player;
+
+  if (sourcePlayerName) {
+    lineinSourcePlayer = player.system.getPlayer(decodeURIComponent(sourcePlayerName));
+  }
+
+  if (!lineinSourcePlayer) {
+    return Promise.reject(new Error(`Could not find player ${sourcePlayerName}`));
+  }
+
+  const uri = `x-rincon-stream:${lineinSourcePlayer.uuid}`;
+
+  return player.coordinator.setAVTransport(uri);
+}
+
+module.exports = function (api) {
+  api.registerAction('linein', linein);
+}