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()
class TestPipeline(TestCase):
def setUp(self):
TestCase.setUp(self)
gst.debug("start")
self.pipeline = Pipeline()
self.monitor = SignalMonitor(self.pipeline, 'action-added',
'action-removed', 'factory-added',
'factory-removed', 'state-changed')
self.assertEquals(self.monitor.action_added_count, 0)
self.assertEquals(self.monitor.action_added_collect, [])
def tearDown(self):
self.pipeline.setState(STATE_NULL)
self.pipeline.release()
self.monitor.disconnectFromObj(self.pipeline)
del self.pipeline
del self.monitor
TestCase.tearDown(self)
def testAddRemoveActionSimple(self):
""" Simple add/remove of Actions """
ac1 = BogusAction()
# add the action to the pipeline
res = self.pipeline.addAction(ac1)
# the returned value should be the given action
self.assertEquals(res, ac1)
# it should now be in the list of actions...
self.failUnlessEqual(self.pipeline.actions, [ac1])
# ... and the action should be set to that pipeline
self.failUnlessEqual(ac1.pipeline, self.pipeline)
# the 'action-added' signal should be triggered once
self.assertEquals(self.monitor.action_added_count, 1)
# And it contained our action
self.assertEquals(self.monitor.action_added_collect, [(ac1, )])
# if we try to add that action again, it should be silently ignored
res = self.pipeline.addAction(ac1)
self.assertEquals(res, ac1)
# the list of actions shouldn't have changed
self.failUnlessEqual(self.pipeline.actions, [ac1])
# it shouldn't have changed the pipeline set on action
self.failUnlessEqual(ac1.pipeline, self.pipeline)
# the 'action-added' signal should NOT have been triggered again
self.assertEquals(self.monitor.action_added_count, 1)
# And now to remove it
self.pipeline.removeAction(ac1)
# the 'action-removed' signal should have been triggered once..
self.assertEquals(self.monitor.action_removed_count, 1)
# .. with the action as an argument
self.assertEquals(self.monitor.action_removed_collect, [(ac1, )])
# And there should be no actions left on the pipeline
self.assertEquals(self.pipeline.actions, [])
def testAddRemoveActionAdvanced(self):
""" Advanced add/remove of Actions """
ac1 = BogusAction()
ac2 = BogusAction()
p2 = Pipeline()
res = self.pipeline.addAction(ac1)
self.assertEquals(self.pipeline.actions, [ac1])
# we can't add an action to two pipelines at the same time
self.failUnlessRaises(PipelineError, p2.addAction, ac1)
self.pipeline.removeAction(ac1)
self.assertEquals(self.pipeline.actions, [])
res = self.pipeline.setAction(ac1)
self.assertEquals(res, ac1)
self.assertEquals(self.pipeline.actions, [ac1])
# calling setAction while a similar action is already set should
# return the existing action and not change anything else
res = self.pipeline.setAction(ac2)
self.assertEquals(res, ac1)
self.assertEquals(self.pipeline.actions, [ac1])
# we can't remove active actions while in PAUSED/PLAYING
self.pipeline.setState(STATE_PAUSED)
ac1.state = STATE_ACTIVE
self.assertEquals(self.pipeline.getState(), STATE_PAUSED)
self.failUnlessRaises(PipelineError, self.pipeline.removeAction, ac1)
# but we can remove deactivated actions while in PAUSED/PLAYING
self.pipeline.setState(STATE_PAUSED)
ac1.state = STATE_NOT_ACTIVE
self.assertEquals(self.pipeline.getState(), STATE_PAUSED)
self.pipeline.removeAction(ac1)
# we can add actions while in PAUSED/PLAYING
res = self.pipeline.addAction(ac2)
self.assertEquals(res, ac2)
self.assertEquals(self.pipeline.actions, [ac2])
self.pipeline.removeAction(ac2)
p2.release()
def testStateChange(self):
loop = gobject.MainLoop()
bag = {"last_state": None}
def state_changed_cb(pipeline, state, bag, loop):
bag["last_state"] = state
loop.quit()
self.pipeline.connect('state-changed', state_changed_cb, bag, loop)
# playing
self.pipeline.setState(STATE_PLAYING)
loop.run()
self.failUnlessEqual(bag["last_state"], STATE_PLAYING)
self.failUnlessEqual(self.pipeline.getState(), STATE_PLAYING)
self.assertEquals(self.monitor.state_changed_count, 1)
# playing again
self.pipeline.setState(STATE_PLAYING)
self.assertEquals(self.monitor.state_changed_count, 1)
# ready
self.pipeline.setState(STATE_READY)
loop.run()
self.failUnlessEqual(bag["last_state"], STATE_READY)
self.failUnlessEqual(self.pipeline.getState(), STATE_READY)
self.assertEquals(self.monitor.state_changed_count, 2)
# PLAYING
self.pipeline.play()
loop.run()
self.failUnlessEqual(bag["last_state"], STATE_PLAYING)
self.failUnlessEqual(self.pipeline.getState(), STATE_PLAYING)
self.assertEquals(self.monitor.state_changed_count, 3)
# PAUSE
self.pipeline.pause()
loop.run()
self.failUnlessEqual(bag["last_state"], STATE_PAUSED)
self.failUnlessEqual(self.pipeline.getState(), STATE_PAUSED)
self.assertEquals(self.monitor.state_changed_count, 4)
self.pipeline.stop()
loop.run()
self.failUnlessEqual(bag["last_state"], STATE_READY)
self.failUnlessEqual(self.pipeline.getState(), STATE_READY)
self.assertEquals(self.monitor.state_changed_count, 5)
def testGetReleaseBinForFactoryStream(self):
factory = VideoTestSourceFactory()
stream = VideoStream(gst.Caps('video/x-raw-rgb; video/x-raw-yuv'),
'src0')
factory.addOutputStream(stream)
# try to get a cached instance
self.failUnlessRaises(PipelineError,
self.pipeline.getBinForFactoryStream, factory, stream, False)
# create a bin
bin1 = self.pipeline.getBinForFactoryStream(factory, stream, True)
self.failUnless(isinstance(bin1, gst.Element))
# return the cached instance
bin2 = self.pipeline.getBinForFactoryStream(factory, stream, True)
self.failUnlessEqual(id(bin1), id(bin2))
self.pipeline.releaseBinForFactoryStream(factory, stream)
self.pipeline.releaseBinForFactoryStream(factory, stream)
# the bin has been destroyed at this point
self.failUnlessRaises(PipelineError,
self.pipeline.releaseBinForFactoryStream, factory, stream)
# we should get a new instance
bin2 = self.pipeline.getBinForFactoryStream(factory, stream, True)
self.pipeline.releaseBinForFactoryStream(factory, stream)
def testGetReleaseTeeForFactoryStream(self):
factory = VideoTestSourceFactory()
stream = VideoStream(gst.Caps('video/x-raw-rgb; video/x-raw-yuv'),
'src')
factory.addOutputStream(stream)
self.failUnlessRaises(PipelineError,
self.pipeline.getTeeForFactoryStream, factory, stream, True)
# getBinForFactoryStream(factory, stream) must be called before
self.failUnlessRaises(PipelineError,
self.pipeline.getTeeForFactoryStream, factory, stream, True)
# create the bin
bin1 = self.pipeline.getBinForFactoryStream(factory, stream, True)
# try to get a cached tee
self.failUnlessRaises(PipelineError,
self.pipeline.getTeeForFactoryStream, factory, stream, False)
# create tee
tee1 = self.pipeline.getTeeForFactoryStream(factory, stream, True)
self.failUnless(isinstance(tee1, gst.Element))
# get the cached instance
tee2 = self.pipeline.getTeeForFactoryStream(factory, stream, True)
self.failUnlessEqual(id(tee1), id(tee2))
# release
self.pipeline.releaseTeeForFactoryStream(factory, stream)
# there's still a tee alive, so we can't release the bin
#self.failUnlessRaises(PipelineError,
# self.pipeline.releaseBinForFactoryStream, factory, stream)
self.pipeline.releaseTeeForFactoryStream(factory, stream)
self.failUnlessRaises(PipelineError,
self.pipeline.releaseTeeForFactoryStream, factory, stream)
# should always fail with a sink bin
factory2 = FakeSinkFactory()
stream2 = VideoStream(gst.Caps('video/x-raw-rgb; video/x-raw-yuv'),
'src')
factory2.addInputStream(stream2)
self.failUnlessRaises(PipelineError,
self.pipeline.getTeeForFactoryStream, factory2, stream2, True)
self.pipeline.releaseBinForFactoryStream(factory, stream)
def testGetReleaseQueueForFactoryStream(self):
factory = FakeSinkFactory()
stream = VideoStream(gst.Caps('any'), 'sink')
factory.addInputStream(stream)
self.failUnlessRaises(PipelineError,
self.pipeline.getQueueForFactoryStream, factory, stream, True)
# getBinForFactoryStream(factory, stream) must be called before
self.failUnlessRaises(PipelineError,
self.pipeline.getQueueForFactoryStream, factory, stream, True)
# create the bin
bin1 = self.pipeline.getBinForFactoryStream(factory, stream, True)
# try to get a cached queue
self.failUnlessRaises(PipelineError,
self.pipeline.getQueueForFactoryStream, factory, stream, False)
# create queue
queue1 = self.pipeline.getQueueForFactoryStream(factory, stream, True)
self.failUnless(isinstance(queue1, gst.Element))
gst.debug("pouet")
# get the cached instance
queue2 = self.pipeline.getQueueForFactoryStream(factory, stream, True)
self.failUnlessEqual(id(queue1), id(queue2))
# release
self.pipeline.releaseQueueForFactoryStream(factory, stream)
gst.debug("pouet")
# there's still a queue alive, so we can't release the bin
self.failUnlessRaises(PipelineError,
self.pipeline.releaseBinForFactoryStream, factory, stream)
self.pipeline.releaseQueueForFactoryStream(factory, stream)
gst.debug("pouet2")
self.failUnlessRaises(PipelineError,
self.pipeline.releaseQueueForFactoryStream, factory, stream)
# should always fail with a src bin
factory2 = VideoTestSourceFactory()
stream2 = VideoStream(gst.Caps('any'), 'src')
factory2.addOutputStream(stream2)
bin1 = self.pipeline.getBinForFactoryStream(factory, stream, True)
self.failUnlessRaises(PipelineError,
self.pipeline.getQueueForFactoryStream, factory2, stream2, True)
self.pipeline.releaseBinForFactoryStream(factory, stream)
self.pipeline.releaseBinForFactoryStream(factory, stream)
self.assertEquals(factory.current_bins, 0)
class TestPipeline(TestCase):
def setUp(self):
TestCase.setUp(self)
gst.debug("start")
self.pipeline = Pipeline()
self.monitor = SignalMonitor(self.pipeline, 'action-added',
'action-removed', 'factory-added',
'factory-removed', 'state-changed')
self.assertEquals(self.monitor.action_added_count, 0)
self.assertEquals(self.monitor.action_added_collect, [])
def tearDown(self):
self.pipeline.setState(STATE_NULL)
self.pipeline.release()
self.monitor.disconnectFromObj(self.pipeline)
del self.pipeline
del self.monitor
TestCase.tearDown(self)
def testAddRemoveActionSimple(self):
""" Simple add/remove of Actions """
ac1 = BogusAction()
# add the action to the pipeline
res = self.pipeline.addAction(ac1)
# the returned value should be the given action
self.assertEquals(res, ac1)
# it should now be in the list of actions...
self.failUnlessEqual(self.pipeline.actions, [ac1])
# ... and the action should be set to that pipeline
self.failUnlessEqual(ac1.pipeline, self.pipeline)
# the 'action-added' signal should be triggered once
self.assertEquals(self.monitor.action_added_count, 1)
# And it contained our action
self.assertEquals(self.monitor.action_added_collect, [(ac1, )])
# if we try to add that action again, it should be silently ignored
res = self.pipeline.addAction(ac1)
self.assertEquals(res, ac1)
# the list of actions shouldn't have changed
self.failUnlessEqual(self.pipeline.actions, [ac1])
# it shouldn't have changed the pipeline set on action
self.failUnlessEqual(ac1.pipeline, self.pipeline)
# the 'action-added' signal should NOT have been triggered again
self.assertEquals(self.monitor.action_added_count, 1)
# And now to remove it
self.pipeline.removeAction(ac1)
# the 'action-removed' signal should have been triggered once..
self.assertEquals(self.monitor.action_removed_count, 1)
# .. with the action as an argument
self.assertEquals(self.monitor.action_removed_collect, [(ac1, )])
# And there should be no actions left on the pipeline
self.assertEquals(self.pipeline.actions, [])
def testAddRemoveActionAdvanced(self):
""" Advanced add/remove of Actions """
ac1 = BogusAction()
ac2 = BogusAction()
p2 = Pipeline()
res = self.pipeline.addAction(ac1)
self.assertEquals(self.pipeline.actions, [ac1])
# we can't add an action to two pipelines at the same time
self.failUnlessRaises(PipelineError, p2.addAction, ac1)
self.pipeline.removeAction(ac1)
self.assertEquals(self.pipeline.actions, [])
res = self.pipeline.setAction(ac1)
self.assertEquals(res, ac1)
self.assertEquals(self.pipeline.actions, [ac1])
# calling setAction while a similar action is already set should
# return the existing action and not change anything else
res = self.pipeline.setAction(ac2)
self.assertEquals(res, ac1)
self.assertEquals(self.pipeline.actions, [ac1])
# we can't remove active actions while in PAUSED/PLAYING
self.pipeline.setState(STATE_PAUSED)
ac1.state = STATE_ACTIVE
self.assertEquals(self.pipeline.getState(), STATE_PAUSED)
self.failUnlessRaises(PipelineError, self.pipeline.removeAction, ac1)
# but we can remove deactivated actions while in PAUSED/PLAYING
self.pipeline.setState(STATE_PAUSED)
ac1.state = STATE_NOT_ACTIVE
self.assertEquals(self.pipeline.getState(), STATE_PAUSED)
self.pipeline.removeAction(ac1)
# we can add actions while in PAUSED/PLAYING
res = self.pipeline.addAction(ac2)
self.assertEquals(res, ac2)
self.assertEquals(self.pipeline.actions, [ac2])
self.pipeline.removeAction(ac2)
p2.release()
def testStateChange(self):
loop = gobject.MainLoop()
bag = {"last_state": None}
def state_changed_cb(pipeline, state, bag, loop):
bag["last_state"] = state
loop.quit()
self.pipeline.connect('state-changed', state_changed_cb, bag, loop)
# playing
self.pipeline.setState(STATE_PLAYING)
loop.run()
self.failUnlessEqual(bag["last_state"], STATE_PLAYING)
self.failUnlessEqual(self.pipeline.getState(), STATE_PLAYING)
self.assertEquals(self.monitor.state_changed_count, 1)
# playing again
self.pipeline.setState(STATE_PLAYING)
self.assertEquals(self.monitor.state_changed_count, 1)
# ready
self.pipeline.setState(STATE_READY)
loop.run()
self.failUnlessEqual(bag["last_state"], STATE_READY)
self.failUnlessEqual(self.pipeline.getState(), STATE_READY)
self.assertEquals(self.monitor.state_changed_count, 2)
# PLAYING
self.pipeline.play()
loop.run()
self.failUnlessEqual(bag["last_state"], STATE_PLAYING)
self.failUnlessEqual(self.pipeline.getState(), STATE_PLAYING)
self.assertEquals(self.monitor.state_changed_count, 3)
# PAUSE
self.pipeline.pause()
loop.run()
self.failUnlessEqual(bag["last_state"], STATE_PAUSED)
self.failUnlessEqual(self.pipeline.getState(), STATE_PAUSED)
self.assertEquals(self.monitor.state_changed_count, 4)
self.pipeline.stop()
loop.run()
self.failUnlessEqual(bag["last_state"], STATE_READY)
self.failUnlessEqual(self.pipeline.getState(), STATE_READY)
self.assertEquals(self.monitor.state_changed_count, 5)
def testGetReleaseBinForFactoryStream(self):
factory = VideoTestSourceFactory()
stream = VideoStream(gst.Caps('video/x-raw-rgb; video/x-raw-yuv'),
'src0')
factory.addOutputStream(stream)
# try to get a cached instance
self.failUnlessRaises(PipelineError,
self.pipeline.getBinForFactoryStream, factory,
stream, False)
# create a bin
bin1 = self.pipeline.getBinForFactoryStream(factory, stream, True)
self.failUnless(isinstance(bin1, gst.Element))
# return the cached instance
bin2 = self.pipeline.getBinForFactoryStream(factory, stream, True)
self.failUnlessEqual(id(bin1), id(bin2))
self.pipeline.releaseBinForFactoryStream(factory, stream)
self.pipeline.releaseBinForFactoryStream(factory, stream)
# the bin has been destroyed at this point
self.failUnlessRaises(PipelineError,
self.pipeline.releaseBinForFactoryStream,
factory, stream)
# we should get a new instance
bin2 = self.pipeline.getBinForFactoryStream(factory, stream, True)
self.pipeline.releaseBinForFactoryStream(factory, stream)
def testGetReleaseTeeForFactoryStream(self):
factory = VideoTestSourceFactory()
stream = VideoStream(gst.Caps('video/x-raw-rgb; video/x-raw-yuv'),
'src')
factory.addOutputStream(stream)
self.failUnlessRaises(PipelineError,
self.pipeline.getTeeForFactoryStream, factory,
stream, True)
# getBinForFactoryStream(factory, stream) must be called before
self.failUnlessRaises(PipelineError,
self.pipeline.getTeeForFactoryStream, factory,
stream, True)
# create the bin
bin1 = self.pipeline.getBinForFactoryStream(factory, stream, True)
# try to get a cached tee
self.failUnlessRaises(PipelineError,
self.pipeline.getTeeForFactoryStream, factory,
stream, False)
# create tee
tee1 = self.pipeline.getTeeForFactoryStream(factory, stream, True)
self.failUnless(isinstance(tee1, gst.Element))
# get the cached instance
tee2 = self.pipeline.getTeeForFactoryStream(factory, stream, True)
self.failUnlessEqual(id(tee1), id(tee2))
# release
self.pipeline.releaseTeeForFactoryStream(factory, stream)
# there's still a tee alive, so we can't release the bin
#self.failUnlessRaises(PipelineError,
# self.pipeline.releaseBinForFactoryStream, factory, stream)
self.pipeline.releaseTeeForFactoryStream(factory, stream)
self.failUnlessRaises(PipelineError,
self.pipeline.releaseTeeForFactoryStream,
factory, stream)
# should always fail with a sink bin
factory2 = FakeSinkFactory()
stream2 = VideoStream(gst.Caps('video/x-raw-rgb; video/x-raw-yuv'),
'src')
factory2.addInputStream(stream2)
self.failUnlessRaises(PipelineError,
self.pipeline.getTeeForFactoryStream, factory2,
stream2, True)
self.pipeline.releaseBinForFactoryStream(factory, stream)
def testGetReleaseQueueForFactoryStream(self):
factory = FakeSinkFactory()
stream = VideoStream(gst.Caps('any'), 'sink')
factory.addInputStream(stream)
self.failUnlessRaises(PipelineError,
self.pipeline.getQueueForFactoryStream, factory,
stream, True)
# getBinForFactoryStream(factory, stream) must be called before
self.failUnlessRaises(PipelineError,
self.pipeline.getQueueForFactoryStream, factory,
stream, True)
# create the bin
bin1 = self.pipeline.getBinForFactoryStream(factory, stream, True)
# try to get a cached queue
self.failUnlessRaises(PipelineError,
self.pipeline.getQueueForFactoryStream, factory,
stream, False)
# create queue
queue1 = self.pipeline.getQueueForFactoryStream(factory, stream, True)
self.failUnless(isinstance(queue1, gst.Element))
gst.debug("pouet")
# get the cached instance
queue2 = self.pipeline.getQueueForFactoryStream(factory, stream, True)
self.failUnlessEqual(id(queue1), id(queue2))
# release
self.pipeline.releaseQueueForFactoryStream(factory, stream)
gst.debug("pouet")
# there's still a queue alive, so we can't release the bin
self.failUnlessRaises(PipelineError,
self.pipeline.releaseBinForFactoryStream,
factory, stream)
self.pipeline.releaseQueueForFactoryStream(factory, stream)
gst.debug("pouet2")
self.failUnlessRaises(PipelineError,
self.pipeline.releaseQueueForFactoryStream,
factory, stream)
# should always fail with a src bin
factory2 = VideoTestSourceFactory()
stream2 = VideoStream(gst.Caps('any'), 'src')
factory2.addOutputStream(stream2)
bin1 = self.pipeline.getBinForFactoryStream(factory, stream, True)
self.failUnlessRaises(PipelineError,
self.pipeline.getQueueForFactoryStream, factory2,
stream2, True)
self.pipeline.releaseBinForFactoryStream(factory, stream)
self.pipeline.releaseBinForFactoryStream(factory, stream)
self.assertEquals(factory.current_bins, 0)