# -*- Mode: Python -*-
# vi:si:et:sw=4:sts=4:ts=4
#
# gst-python - Python bindings for GStreamer
# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
import sys
from common import gobject, gst, unittest, TestCase
import gc
class NewTest(TestCase):
def testEOS(self):
gst.info("creating new bin")
b = gst.Bin()
gst.info("creating new EOS message from that bin")
m = gst.message_new_eos(b)
gst.info("got message : %s" % m)
def message_application_cb(self, bus, message):
gst.info("got application message")
self.got_message = True
self.loop.quit()
def testApplication(self):
self.loop = gobject.MainLoop()
gst.info("creating new pipeline")
bin = gst.Pipeline()
bus = bin.get_bus()
bus.add_signal_watch()
self.got_message = False
bus.connect('message::application', self.message_application_cb)
struc = gst.Structure("foo")
msg = gst.message_new_application(bin, struc)
# the bus is flushing in NULL, so we need to set the pipeline to READY
bin.set_state(gst.STATE_READY)
bus.post(msg)
self.loop.run()
bus.remove_signal_watch()
bin.set_state(gst.STATE_NULL)
self.failUnless(self.got_message == True)
self.gccollect()
class TestCreateMessages(TestCase):
def setUp(self):
TestCase.setUp(self)
self.element = gst.Bin()
def tearDown(self):
del self.element
def testCustomMessage(self):
# create two custom messages using the same structure
s = gst.Structure("something")
assert s != None
e1 = gst.message_new_custom(gst.MESSAGE_APPLICATION, self.element, s)
assert e1
e2 = gst.message_new_custom(gst.MESSAGE_APPLICATION, self.element, s)
assert e2
# make sure the two structures are equal
self.assertEquals(e1.structure.to_string(),
e2.structure.to_string())
def testTagMessage(self):
# Create a taglist
t = gst.TagList()
t['something'] = "else"
t['another'] = 42
# Create two messages using that same taglist
m1 = gst.message_new_tag(self.element, t)
assert m1
m2 = gst.message_new_tag(self.element, t)
assert m2
# make sure the two messages have the same taglist
t1 = m1.parse_tag()
assert t1
keys = t1.keys()
keys.sort()
self.assertEquals(keys, ['another', 'something'])
self.assertEquals(t1['something'], "else")
self.assertEquals(t1['another'], 42)
t2 = m2.parse_tag()
assert t2
keys = t2.keys()
keys.sort()
self.assertEquals(keys, ['another', 'something'])
self.assertEquals(t2['something'], "else")
self.assertEquals(t2['another'], 42)
def testTagFullMessage(self):
if hasattr(gst.Message, 'parse_tag_full'):
p = gst.Pad("blahblah", gst.PAD_SRC)
# Create a taglist
t = gst.TagList()
t['something'] = "else"
t['another'] = 42
# Create two messages using that same taglist
m1 = gst.message_new_tag_full(self.element, p, t)
assert m1
m2 = gst.message_new_tag_full(self.element, p, t)
assert m2
# make sure the two messages have the same taglist
p1, t1 = m1.parse_tag_full()
assert t1
keys = t1.keys()
keys.sort()
self.assertEquals(p1, p)
self.assertEquals(keys, ['another', 'something'])
self.assertEquals(t1['something'], "else")
self.assertEquals(t1['another'], 42)
p2, t2 = m2.parse_tag_full()
assert t2
keys = t2.keys()
keys.sort()
self.assertEquals(p2, p)
self.assertEquals(keys, ['another', 'something'])
self.assertEquals(t2['something'], "else")
self.assertEquals(t2['another'], 42)
def testStepStartMessage(self):
if hasattr(gst, 'message_new_step_start'):
m = gst.message_new_step_start(self.element, True,
gst.FORMAT_TIME, 42, 1.0,
True, True)
self.assertEquals(m.type, gst.MESSAGE_STEP_START)
active, format, amount, rate, flush, intermediate = m.parse_step_start()
self.assertEquals(active, True)
self.assertEquals(format, gst.FORMAT_TIME)
self.assertEquals(amount, 42)
self.assertEquals(rate, 1.0)
self.assertEquals(flush, True)
self.assertEquals(intermediate, True)
def testStepDoneMessage(self):
if hasattr(gst, 'message_new_step_done'):
m = gst.message_new_step_done(self.element, gst.FORMAT_TIME, 42,
1.0, True, True, 54, True)
self.assertEquals(m.type, gst.MESSAGE_STEP_DONE)
fmt, am, rat, flu, inter, dur, eos = m.parse_step_done()
self.assertEquals(fmt, gst.FORMAT_TIME)
self.assertEquals(am, 42)
self.assertEquals(rat, 1.0)
self.assertEquals(flu, True)
self.assertEquals(inter, True)
self.assertEquals(dur, 54)
self.assertEquals(eos, True)
def testStructureChangeMessage(self):
if hasattr(gst, 'message_new_structure_change'):
p = gst.Pad("blah", gst.PAD_SINK)
m = gst.message_new_structure_change(p,
gst.STRUCTURE_CHANGE_TYPE_PAD_LINK,
self.element, True)
self.assertEquals(m.type, gst.MESSAGE_STRUCTURE_CHANGE)
sct, owner, busy = m.parse_structure_change()
self.assertEquals(sct, gst.STRUCTURE_CHANGE_TYPE_PAD_LINK)
self.assertEquals(owner, self.element)
self.assertEquals(busy, True)
def testRequestStateMessage(self):
if hasattr(gst, 'message_new_request_state'):
m = gst.message_new_request_state(self.element, gst.STATE_NULL)
self.assertEquals(m.type, gst.MESSAGE_REQUEST_STATE)
self.assertEquals(m.parse_request_state(), gst.STATE_NULL)
def testBufferingStatsMessage(self):
if hasattr(gst.Message, 'set_buffering_stats'):
gst.debug("Creating buffering message")
m = gst.message_new_buffering(self.element, 50)
gst.debug("Setting stats")
m.set_buffering_stats(gst.BUFFERING_LIVE, 30, 1024, 123456)
self.assertEquals(m.type, gst.MESSAGE_BUFFERING)
mode, ain, aout, left = m.parse_buffering_stats()
self.assertEquals(mode, gst.BUFFERING_LIVE)
self.assertEquals(ain, 30)
self.assertEquals(aout, 1024)
self.assertEquals(left, 123456)
if __name__ == "__main__":
unittest.main()