def testPendingLink(self):
a = Action()
p = Pipeline()
src = common.FakeGnlFactory()
src.addOutputStream(VideoStream(gst.Caps("video/x-raw-yuv"),
pad_name="src"))
sink = common.FakeSinkFactory()
sink.addInputStream(MultimediaStream(gst.Caps("any"),
pad_name="sink"))
# set the link, it will be activated once the pad is added
a.setLink(src, sink)
# Let's see if the link is present
self.assertEquals(a._links, [(src, sink, None, None)])
p.setAction(a)
gst.debug("about to activate action")
a.activate()
# only the producer and the consumer are created, the other elements are
# created dinamically
self.assertEquals(len(list(p._pipeline.elements())), 2)
p.setState(STATE_PLAYING)
time.sleep(1)
# and make sure that all other elements were created (4)
# FIXME if it's failing here, run the test a few times trying to raise
# the time.sleep() above, it may just be racy...
self.assertEquals(len(list(p._pipeline.elements())), 4)
a.deactivate()
p.setState(STATE_NULL)
self.assertEquals(len(list(p._pipeline.elements())), 0)
p.release()
def testPipelineAction(self):
"""Testing pipeline state interaction"""
p = Pipeline()
a = Action()
src = VideoTestSourceFactory()
sink = common.FakeSinkFactory()
sink.addInputStream(MultimediaStream(gst.Caps("any"), pad_name="sink"))
# set the Action on the Pipeline
p.setAction(a)
self.assertEquals(p.actions, [a])
# set the Producer and Consumer
a.addProducers(src)
a.addConsumers(sink)
a.setLink(src, sink)
# activate the Action
a.activate()
self.failUnlessEqual(src.current_bins, 1)
self.failUnlessEqual(sink.current_bins, 1)
# call get*ForFactoryStream(..., automake=False). They will raise
# exceptions if the action didn't create the elements.
bin = p.getBinForFactoryStream(src, automake=False)
p.releaseBinForFactoryStream(src)
tee = p.getTeeForFactoryStream(src, automake=False)
p.releaseTeeForFactoryStream(src)
bin = p.getBinForFactoryStream(sink, automake=False)
queue = p.getQueueForFactoryStream(sink, automake=False)
self.failUnlessEqual(queue.get_pad('src').get_peer().get_parent(), bin)
p.releaseBinForFactoryStream(sink)
p.releaseQueueForFactoryStream(sink)
# switch to PLAYING
p.setState(STATE_PLAYING)
# wait half a second
# switch to READY
p.setState(STATE_READY)
# deactivate action
a.deactivate()
# since we're the last Action to be release, the tees
# and queues should have gone
self.failUnlessEqual(src.current_bins, 0)
self.failUnlessEqual(sink.current_bins, 0)
# remove the action from the pipeline
p.removeAction(a)
# the gst.Pipeline should be empty !
self.assertEquals(list(p._pipeline.elements()), [])
p.release()