Support multiple videos.

am_i_up/Api.py

@@ -38,6 +38,7 @@ class Api:
             web.get("/api/position", self.position),
             web.get("/api/diagnostics", self.diagnostics),
             web.post("/api/login", self.login),
+            web.get("/api/available_streams", self.available_streams),
             web.post("/api/mediamtx/auth", self.mediamtx_auth),
             web.get("/api/mediamtx/login", self.mediamtx_login),
             web.static("/assets", ui_static_directory),
@@ -176,3 +177,9 @@ class Api:
         resp["message"] = diagnostics
         return web.json_response(resp)
 
+    async def available_streams(self, request):
+        resp = {}
+        resp["streams"] = self._facts.get_video_streams()
+        resp["port"] = self._facts.get_video_display_port()
+        return web.json_response(resp)
+

am_i_up/Facts.py

@@ -39,6 +39,9 @@ class Facts:
 
         self._password = self._node.declare_parameter("password", "password").value
 
+        self._video_streams = self._node.declare_parameter("video_streams", [""]).value
+        self._video_display_port = self._node.declare_parameter("video_display_port", "8889").value
+
         self._status_string = None
         self._lat_long = None
         self._diag_msg = None
@@ -119,6 +122,12 @@ class Facts:
     def get_password(self):
         return self._password
 
+    def get_video_streams(self):
+        return self._video_streams
+
+    def get_video_display_port(self):
+        return self._video_display_port
+
     def _status_callback(self, msg):
         self._status_string = msg.data
 

params/am_i_up.yaml

@@ -2,3 +2,6 @@
    ros__parameters:
       ui_pkg: "am_i_up_ui"
       listen_port: "8000"
+      video_display_port: "8889"
+      video_streams:
+         - image