+++ /dev/null
-#!/usr/bin/env python
-
-# Get a test sample with:
-# youtube-dl -t http://www.youtube.com/watch?v=yWa-YXiSk2Y
-
-import sys
-
-import gobject
-gobject.threads_init()
-
-import gst
-
-
-class Player:
- def __init__(self, filename, rate):
- self._filename = filename
- self._rate = rate
-
- self._player = gst.element_factory_make("playbin2", "player")
- self._player.set_property("uri", filename)
- self._player.connect("about-to-finish", self.on_about_to_finish)
-
- bus = self._player.get_bus()
- bus.add_signal_watch()
- bus.connect('message::state-changed', self.on_state_changed)
-
- def run(self):
- self._player.set_state(gst.STATE_PLAYING)
- loop = gobject.MainLoop()
- loop.run()
-
- def on_about_to_finish(self, player):
- sys.stderr.write(".")
- player.set_property("uri", self._filename)
-
- # XXX Ater the first iteration of the loop the playback rate is
- # reset to normal. Do I need to re-set the rate here?
-
- # If I uncomment the following line, the player hangs:
- #self.set_rate(self._date)
-
- # And it hangs also if I set the seek_event manually using position=0:
- #seek_event = gst.event_new_seek(self._rate,
- # gst.FORMAT_TIME,
- # gst.SEEK_FLAG_FLUSH | gst.SEEK_FLAG_ACCURATE,
- # gst.SEEK_TYPE_SET, 0,
- # gst.SEEK_TYPE_NONE, 0)
- #self._player.send_event(seek_event)
-
- def on_state_changed(self, bus, msg):
- if msg.src != self._player:
- return
-
- print 'on_state_changed'
- old_state, new_state, pending = msg.parse_state_changed()
- print "%s -> %s" % (old_state, new_state)
- if old_state == gst.STATE_READY and new_state == gst.STATE_PAUSED:
- self.set_rate(self._rate)
-
- def set_rate(self, rate):
- self._rate = rate
- try:
- position, format = self._player.query_position(gst.FORMAT_TIME)
- except:
- position = 0
-
- # Create the seek event
- if rate > 0:
- seek_event = gst.event_new_seek(rate,
- gst.FORMAT_TIME,
- gst.SEEK_FLAG_FLUSH | gst.SEEK_FLAG_ACCURATE,
- gst.SEEK_TYPE_SET, position,
- gst.SEEK_TYPE_NONE, 0)
- else:
- seek_event = gst.event_new_seek(rate,
- gst.FORMAT_TIME,
- gst.SEEK_FLAG_FLUSH | gst.SEEK_FLAG_ACCURATE,
- gst.SEEK_TYPE_SET, 0,
- gst.SEEK_TYPE_SET, position)
-
- if seek_event:
- self._player.send_event(seek_event)
- gst.info("rate set to %s" % rate)
- else:
- gst.warining("change rate failed")
-
-
-def main(args):
- def usage():
- sys.stdout.write("usage: %s <URI-OF-MEDIA-FILE>\n" % args[0])
-
- if len(args) != 2:
- usage()
- sys.exit(1)
-
- if not gst.uri_is_valid(args[1]):
- sys.stderr.write("Error: Invalid URI: %s\n" % args[1])
- sys.exit(1)
-
- player = Player(args[1], 3.0)
- player.run()
-
-if __name__ == '__main__':
- sys.exit(main(sys.argv))