#!/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):
        self._filename = filename

        self._player = gst.element_factory_make("playbin2", "player")
        self._player.set_property("uri", filename)

        bus = self._player.get_bus()
        bus.add_signal_watch()
        bus.connect('message::eos', self.on_eos)

    def run(self):
        self._player.set_state(gst.STATE_PLAYING)
        loop = gobject.MainLoop()
        loop.run()

    def on_eos(self, bus, msg):
        sys.stderr.write(".")
        self._player.seek_simple(gst.FORMAT_TIME, gst.SEEK_FLAG_FLUSH, 0)


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])
    player.run()

if __name__ == '__main__':
    sys.exit(main(sys.argv))