X-Git-Url: https://git.ao2.it/experiments/gstreamer.git/blobdiff_plain/0e270e13f80d9df99df90a4c2af06b9347e54678..bd161b37c12141ed5c311f03a560b5915ec08527:/python/gst-looping-video-2.py?ds=inline diff --git a/python/gst-looping-video-2.py b/python/gst-looping-video-2.py index eabb7a4..074dbda 100755 --- a/python/gst-looping-video-2.py +++ b/python/gst-looping-video-2.py @@ -1,47 +1,63 @@ #!/usr/bin/env python - +# +# A simple looping player. +# Version 2, based on "about-to-finish" handling. +# # Get a test sample with: # youtube-dl -t http://www.youtube.com/watch?v=yWa-YXiSk2Y import sys -import gobject -gobject.threads_init() +import gi +gi.require_version('Gst', '1.0') +from gi.repository import Gst +Gst.init(None) -import gst +from gi.repository import GObject +GObject.threads_init() class Player: - def __init__(self, filename): - self._filename = filename - - self._player = gst.element_factory_make("playbin2", "player") - self._player.set_property("uri", filename) + def __init__(self, uri): + self._uri = uri + self._player = Gst.ElementFactory.make("playbin", "player") + self._player.set_property("uri", uri) self._player.connect("about-to-finish", self.on_about_to_finish) + bus = self._player.get_bus() + bus.add_signal_watch() + bus.connect('message::error', self.on_error) + def run(self): - self._player.set_state(gst.STATE_PLAYING) - loop = gobject.MainLoop() - loop.run() + self._player.set_state(Gst.State.PLAYING) + self.loop = GObject.MainLoop() + self.loop.run() + + def quit(self): + self._player.set_state(Gst.State.NULL) + self.loop.quit() def on_about_to_finish(self, player): sys.stderr.write(".") - player.set_property("uri", self._filename) + player.set_property("uri", self._uri) + + def on_error(self, bus, msg): + (err, debug) = msg.parse_error() + print "Error: %s" % err, debug + self.quit() def main(args): def usage(): - sys.stdout.write("usage: %s \n" % args[0]) + sys.stdout.write("usage: %s \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) + uri = Gst.filename_to_uri(args[1]) - player = Player(args[1]) + player = Player(uri) player.run() if __name__ == '__main__':