Update

subprojects/gst-python/old_examples/cp.py

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+#!/usr/bin/env python
+# -*- Mode: Python -*-
+# vi:si:et:sw=4:sts=4:ts=4
+
+# gst-python
+# Copyright (C) 2002 David I. Lehn <dlehn@users.sourceforge.net>
+#               2004 Johan Dahlin  <johan@gnome.org>
+#
+# 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 gobject
+gobject.threads_init()
+
+import pygst
+pygst.require('0.10')
+import gst
+
+
+mainloop = gobject.MainLoop()
+
+def on_eos(bus, msg):
+   mainloop.quit()
+
+def filter(input, output):
+   "A GStreamer copy pipeline which can add arbitrary filters"
+
+   # create a new bin to hold the elements
+   bin = gst.parse_launch('filesrc name=source ! ' +
+                          'progressreport ! ' +
+                           # This 'statistics' element is depreciated in 0.10
+                          #'statistics silent=false buffer-update-freq=1 ' +
+                          #'update_on_eos=true ! ' +
+                          'filesink name=sink')
+   filesrc = bin.get_by_name('source')
+   filesrc.set_property('location', input)
+
+   filesink = bin.get_by_name('sink')
+   filesink.set_property('location', output)
+
+   bus = bin.get_bus()
+   bus.add_signal_watch()
+   bus.connect('message::eos', on_eos)
+
+   # start playing
+   bin.set_state(gst.STATE_PLAYING)
+
+   try:
+      mainloop.run()
+   except KeyboardInterrupt:
+      pass
+
+   # stop the bin
+   bin.set_state(gst.STATE_NULL)
+
+def main(args):
+   "A GStreamer based cp(1) with stats"
+
+   if len(args) != 3:
+      print 'usage: %s source dest' % (sys.argv[0])
+      return -1
+
+   return filter(args[1], args[2])
+
+if __name__ == '__main__':
+   sys.exit(main(sys.argv))