本文整理汇总了Python中pitivi.pipeline.Pipeline.getBinForFactoryStream方法的典型用法代码示例。如果您正苦于以下问题：Python Pipeline.getBinForFactoryStream方法的具体用法？Python Pipeline.getBinForFactoryStream怎么用？Python Pipeline.getBinForFactoryStream使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类pitivi.pipeline.Pipeline的用法示例。
在下文中一共展示了Pipeline.getBinForFactoryStream方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: TestPipeline
# 需要导入模块: from pitivi.pipeline import Pipeline [as 别名]
# 或者: from pitivi.pipeline.Pipeline import getBinForFactoryStream [as 别名]
#.........这里部分代码省略.........
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)
示例2: testPipelineAction
# 需要导入模块: from pitivi.pipeline import Pipeline [as 别名]
# 或者: from pitivi.pipeline.Pipeline import getBinForFactoryStream [as 别名]
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()