mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-30 13:41:48 +00:00
83f80e9942
Original commit message from CVS: wrap gst.Element.get_state, returning a tuple add tests for it
74 lines
2.6 KiB
Python
74 lines
2.6 KiB
Python
# -*- Mode: Python -*-
|
|
# vi:si:et:sw=4:sts=4:ts=4
|
|
#
|
|
# gst-python - Python bindings for GStreamer
|
|
# Copyright (C) 2002 David I. Lehn
|
|
# Copyright (C) 2004 Johan Dahlin
|
|
# Copyright (C) 2005 Edward Hervey
|
|
# Copyright (C) 2005 Thomas Vander Stichele
|
|
#
|
|
# This library is free software; you can redistribute it and/or
|
|
# modify it under the terms of the GNU Lesser General Public
|
|
# License as published by the Free Software Foundation; either
|
|
# version 2.1 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
|
|
# Lesser General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU Lesser General Public
|
|
# License along with this library; if not, write to the Free Software
|
|
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
|
|
from common import gobject, gst, unittest
|
|
|
|
# see
|
|
# http://www.sicem.biz/personal/lgs/docs/gobject-python/gobject-tutorial.html
|
|
class MyBin(gst.Bin):
|
|
_state_changed = False
|
|
|
|
def __init__(self, name):
|
|
# we need to call GObject's init to be able to do self.do_*
|
|
gobject.GObject.__init__(self)
|
|
# since we can't chain up to our parent's __init__, we set the
|
|
# name manually
|
|
self.set_property('name', name)
|
|
|
|
def do_change_state(self, state_change):
|
|
if state_change == gst.STATE_CHANGE_PAUSED_TO_PLAYING:
|
|
self._state_changed = True
|
|
|
|
# chain up to parent
|
|
return gst.Bin.do_change_state(self, state_change)
|
|
|
|
# we need to register the type for PyGTK < 2.8
|
|
gobject.type_register(MyBin)
|
|
|
|
class BinSubclassTest(unittest.TestCase):
|
|
def testStateChange(self):
|
|
bin = MyBin("mybin")
|
|
self.assertEquals(bin.get_name(), "mybin")
|
|
bin.set_state(gst.STATE_PLAYING)
|
|
self.failUnless(bin._state_changed)
|
|
|
|
# test get_state with no timeout
|
|
(ret, state, pending) = bin.get_state(None)
|
|
self.failIfEqual(ret, gst.STATE_CHANGE_FAILURE)
|
|
|
|
if ret == gst.STATE_CHANGE_SUCCESS:
|
|
self.assertEquals(state, gst.STATE_PLAYING)
|
|
self.assertEquals(pending, gst.STATE_VOID_PENDING)
|
|
|
|
# test get_state with a timeout
|
|
(ret, state, pending) = bin.get_state(0.1)
|
|
self.failIfEqual(ret, gst.STATE_CHANGE_FAILURE)
|
|
|
|
if ret == gst.STATE_CHANGE_SUCCESS:
|
|
self.assertEquals(state, gst.STATE_PLAYING)
|
|
self.assertEquals(pending, gst.STATE_VOID_PENDING)
|
|
|
|
(ret, state, pending) = bin.get_state(timeout=0.1)
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|