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)
@@ -49,7 +56,10 @@ 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()
-        self.show_channel_list(None, 0)
+        if url:
+            self.show_player(None, url, 0)
+        else:
+            self.show_channel_list(None, 0)
 
     def add_back_button(self, callback: Callable) -> None:
         backbtn = wx.Button(self.m_panel,
@@ -79,24 +89,30 @@ class Cast(wx.Frame):
                                  "Pause",
                                  size=(WIDTH / 4, BTN_HEIGHT))
 
-        back_button = wx.Button(self.m_panel,
-                                -1,
-                                "Back",
-                                size=(WIDTH / 4, BTN_HEIGHT))
-        back_button.Bind(
-            wx.EVT_BUTTON,
-            lambda event, cindex=channel_index: self.show_video_list(
-                event, cindex),
-        )
-
         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",
+                                    size=(WIDTH / 4, BTN_HEIGHT))
+            back_button.Bind(
+                wx.EVT_BUTTON,
+                lambda event, cindex=channel_index: self.show_video_list(
+                    event, cindex),
+            )
+        else:
+            back_button = wx.Button(self.m_panel,
+                         -1,
+                         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()
-    frm: Cast = Cast(None, title="Cast")
+    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()