Add support for running in single video mode

scripts/cast

@@ -1,4 +1,5 @@
 #!/usr/bin/env python3
+import sys
 import threading
 import time
 from typing import Callable
@@ -32,6 +33,12 @@ class Cast(wx.Frame):
         :param args:
         :param kw:
         """
+        self.m_mode = 'normal'
+        url = None 
+        if "url" in kw:
+            self.m_mode = 'single'
+            url = kw['url']
+            del kw['url']
         super().__init__(*args, **kw)
         self.m_selected_chromecast = None
         self.SetSizeHints(WIDTH, HEIGHT, maxW=WIDTH)
@@ -49,6 +56,9 @@ class Cast(wx.Frame):
         self.m_panel.SetupScrolling(rate_y=SCROLL_RATE, scrollToTop=True)
         self.m_panel.SetSizer(self.m_sizer)
         self.m_providers: list[ChannelProvider] = self.get_providers()
+        if url:
+            self.show_player(None, url, 0)
+        else:
             self.show_channel_list(None, 0)
 
     def add_back_button(self, callback: Callable) -> None:
@@ -79,6 +89,11 @@ class Cast(wx.Frame):
                                  "Pause",
                                  size=(WIDTH / 4, BTN_HEIGHT))
 
+        stop_button = wx.Button(self.m_panel,
+                                      -1,
+                                      "Stop",
+                                      size=(WIDTH / 4, BTN_HEIGHT))
+        if self.m_mode == 'normal':
             back_button = wx.Button(self.m_panel,
                                     -1,
                                     "Back",
@@ -88,15 +103,16 @@ class Cast(wx.Frame):
                 lambda event, cindex=channel_index: self.show_video_list(
                     event, cindex),
             )
-
-        stop_button = wx.Button(self.m_panel,
+        else:
+            back_button = wx.Button(self.m_panel,
                          -1,
-                                      "Stop",
+                         label="Close",
                          size=(WIDTH / 4, BTN_HEIGHT))
+            back_button.Bind(wx.EVT_BUTTON, lambda event: self.Destroy())
         inner_sizer.Add(play_button, FLAGS)
         inner_sizer.Add(pause_button, FLAGS)
-        inner_sizer.Add(back_button, FLAGS)
         inner_sizer.Add(stop_button, FLAGS)
+        inner_sizer.Add(back_button, FLAGS)
 
         if not self.m_chromecast_thr.is_alive(
         ) and not self.m_selected_chromecast:
@@ -388,7 +404,12 @@ class Cast(wx.Frame):
 if __name__ == "__main__":
     # When this module is run (not imported) then create the app, the
     # frame, show it, and start the event loop.
+    url = None
     app: wx.App = wx.App()
+    if len(sys.argv) > 1:
+        url = sys.argv[1]
+        frm: Cast = Cast(None, title="Cast", url=url)
+    else:
         frm: Cast = Cast(None, title="Cast")
     frm.Show()
     app.MainLoop()