stream listener backup upstream

radio.py

@@ -76,8 +76,6 @@ def queue():
   return str(list(r.queue.queue))
 
 def run():
-  r.addToQueue('https://www.youtube.com/watch?v=BaW_jenozKc')
-  r.playIfSongAvailable()
   app.run(host="0.0.0.0")
 
 if __name__ == "__main__":

stream_listener.py

@@ -11,10 +11,11 @@ from time import sleep
 #
 class StreamListener(Thread):
   
-  def __init__(self, upstream, downstream):
+  def __init__(self, upstream, downstream, backupUpstream=None):
     Thread.__init__(self)
     self.setUpstream(upstream)
     self.setDownstream(downstream)
+    self.setBackupUpstream(backupUpstream)
     self.quit = False
 
   def setUpstream(self, upstream):
@@ -23,6 +24,12 @@ class StreamListener(Thread):
     else:
       self.stream = None
 
+  def setBackupUpstream(self, upstream):
+    if not upstream is None:
+      self.backupStream = upstream.getStream()
+    else:
+      self.backupStream = None
+
   def setDownstream(self, downstream):
     self.listener = downstream
 
@@ -44,6 +51,11 @@ class StreamListener(Thread):
         if not self.stream is None:
           output = non_block_read(self.stream)
           if output == None or output == b'':
-            break
+            if not self.backupStream is None:
+              output = non_block_read(self.backupStream)
+              if output == None or output == b'':
+                break
+            else:
+              break
           self.listener.write(output)
       sleep(0.1)

uploader.py

@@ -2,6 +2,7 @@ import ffmpeg
 from logger import logger
 import sys
 from stream_listener import StreamListener
+import nullsrc
 
 class Uploader(object):
 
@@ -15,7 +16,7 @@ class Uploader(object):
       .run_async(pipe_stdin=True, pipe_stderr=True)
     )
     logger.add(self.process.stderr, "uploader.log")
-    self.listener = StreamListener(None, self)
+    self.listener = StreamListener(None, self, backupUpstream=nullsrc.NullSrc())
     self.listener.start()
   
   def reconnect(self):