python/gst-looping-video-1.py

   1 #!/usr/bin/env python
   2
   3 # Get a test sample with:
   4 # youtube-dl -t http://www.youtube.com/watch?v=yWa-YXiSk2Y
   5
   6 import sys
   7
   8 import gobject
   9 gobject.threads_init()
  10
  11 import gst
  12
  13
  14 class Player:
  15     def __init__(self, filename):
  16         self._filename = filename
  17
  18         self._player = gst.element_factory_make("playbin2", "player")
  19         self._player.set_property("uri", filename)
  20
  21         bus = self._player.get_bus()
  22         bus.add_signal_watch()
  23         bus.connect('message::eos', self.on_eos)
  24
  25     def run(self):
  26         self._player.set_state(gst.STATE_PLAYING)
  27         loop = gobject.MainLoop()
  28         loop.run()
  29
  30     def on_eos(self, bus, msg):
  31         sys.stderr.write(".")
  32         self._player.seek_simple(gst.FORMAT_TIME, gst.SEEK_FLAG_FLUSH, 0)
  33
  34
  35 def main(args):
  36     def usage():
  37         sys.stdout.write("usage: %s <URI-OF-MEDIA-FILE>\n" % args[0])
  38
  39     if len(args) != 2:
  40         usage()
  41         sys.exit(1)
  42
  43     if not gst.uri_is_valid(args[1]):
  44         sys.stderr.write("Error: Invalid URI: %s\n" % args[1])
  45         sys.exit(1)
  46
  47     player = Player(args[1])
  48     player.run()
  49
  50 if __name__ == '__main__':
  51     sys.exit(main(sys.argv))