#!/usr/bin/env python # -*- Mode: Python -*- # vi:si:et:sw=4:sts=4:ts=4 # gst-python # Copyright (C) 2002 David I. Lehn # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Library General Public # License as published by the Free Software Foundation; either # version 2 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Library General Public License for more details. # # You should have received a copy of the GNU Library General Public # License along with this library; if not, write to the # Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, # Boston, MA 02110-1301, USA. # # Author: David I. Lehn <dlehn@users.sourceforge.net> # import sys import pygst pygst.require('0.10') import gst def handoff_cb(sender, *args): print sender.get_name(), args def main(args): # create a new bin to hold the elements #gst_debug_set_categories(-1) bin = gst.parse_launch('fakesrc name=source silent=1 num-buffers=10 signal-handoffs=true ! ' + 'fakesink name=sink silent=1 signal-handoffs=true') source = bin.get_by_name('source') source.connect('handoff', handoff_cb) source.get_pad("src").connect("have-data", handoff_cb) sink = bin.get_by_name('sink') sink.connect('handoff', handoff_cb) sink.get_pad("sink").connect('have-data', handoff_cb) print source, sink bus = bin.get_bus() res = bin.set_state(gst.STATE_PLAYING); assert res while 1: msg = bus.poll(gst.MESSAGE_EOS | gst.MESSAGE_ERROR, gst.SECOND) if msg: break res = bin.set_state(gst.STATE_NULL) assert res if __name__ == '__main__': sys.exit(main(sys.argv))