Python parse_launch示例

示例#1

文件： test_bus.py 项目： yuanliangzhe/gst-python

 def testADumbExample(self):
     gst.info("creating pipeline")
     pipeline = gst.parse_launch("fakesrc ! fakesink")
     gst.info("pipeliner:%s" % pipeline.__gstrefcount__)
     bus = pipeline.get_bus()
     gst.info("got bus, pipeliner:%d, busr:%d" %
              (pipeline.__gstrefcount__, bus.__gstrefcount__))

示例#2

文件： test_bus.py 项目： GStreamer/gst-python

 def testADumbExample(self):
     gst.info("creating pipeline")
     pipeline = gst.parse_launch("fakesrc ! fakesink")
     gst.info("pipeliner:%s" % pipeline.__gstrefcount__)
     bus = pipeline.get_bus()
     gst.info("got bus, pipeliner:%d, busr:%d" % (pipeline.__gstrefcount__,
                                                  bus.__gstrefcount__))

示例#3

文件： test_iterator.py 项目： yuanliangzhe/gst-python

    def testBinIterateRecurse(self):
        pipeline = gst.parse_launch("fakesrc name=src ! fakesink name=sink")
        elements = list(pipeline.recurse())
        fakesrc = pipeline.get_by_name("src")
        fakesink = pipeline.get_by_name("sink")

        self.assertEqual(elements[0], fakesink)
        self.assertEqual(elements[1], fakesrc)

示例#4

文件： test_iterator.py 项目： yuanliangzhe/gst-python

    def testBinIterateSinks(self):
        pipeline = gst.parse_launch("fakesrc name=src ! fakesink name=sink")
        elements = list(pipeline.sinks())
        fakesrc = pipeline.get_by_name("src")
        fakesink = pipeline.get_by_name("sink")

        self.assertEqual(len(elements), 1)
        self.failUnless(fakesink in elements)
        self.failUnless(not fakesrc in elements)

示例#5

文件： test_element.py 项目： ChinnaSuhas/ossbuild

    def setUp(self):
        TestCase.setUp(self)
        self.pipeline = gst.parse_launch('fakesrc name=source ! fakesink')
        self.assertEquals(self.pipeline.__gstrefcount__, 1)

        self.element = self.pipeline.get_by_name('source')
        self.assertEquals(self.pipeline.__gstrefcount__, 1)
        self.assertEquals(self.element.__gstrefcount__, 2)
        self.assertEquals(sys.getrefcount(self.element), pygobject_2_13 and 2 or 3)

示例#6

    def setUp(self):
        TestCase.setUp(self)
        self.pipeline = gst.parse_launch('fakesrc name=source ! fakesink')
        self.assertEquals(self.pipeline.__gstrefcount__, 1)

        self.element = self.pipeline.get_by_name('source')
        self.assertEquals(self.pipeline.__gstrefcount__, 1)
        self.assertEquals(self.element.__gstrefcount__, 2)
        self.assertEquals(sys.getrefcount(self.element), pygobject_2_13 and 2
                          or 3)

示例#7

文件： test_event.py 项目： ChinnaSuhas/ossbuild

 def setUp(self):
     TestCase.setUp(self)
     gst.info("start")
     self.filename = tempfile.mktemp()
     open(self.filename, 'w').write(''.join(map(str, range(10))))
     
     self.pipeline = gst.parse_launch('filesrc name=source location=%s blocksize=1 ! fakesink signal-handoffs=1 name=sink' % self.filename)
     self.source = self.pipeline.get_by_name('source')
     self.sink = self.pipeline.get_by_name('sink')
     self.sigid = self.sink.connect('handoff', self.handoff_cb)
     self.bus = self.pipeline.get_bus()

示例#8

文件： test_event.py 项目： yuanliangzhe/gst-python

    def setUp(self):
        TestCase.setUp(self)
        gst.info("start")
        self.filename = tempfile.mktemp()
        open(self.filename, 'w').write(''.join(map(str, range(10))))

        self.pipeline = gst.parse_launch(
            'filesrc name=source location=%s blocksize=1 ! fakesink signal-handoffs=1 name=sink'
            % self.filename)
        self.source = self.pipeline.get_by_name('source')
        self.sink = self.pipeline.get_by_name('sink')
        self.sigid = self.sink.connect('handoff', self.handoff_cb)
        self.bus = self.pipeline.get_bus()

示例#9

文件： test_event.py 项目： yuanliangzhe/gst-python

 def setUp(self):
     TestCase.setUp(self)
     self.pipeline = gst.parse_launch('fakesrc ! fakesink name=sink')
     self.sink = self.pipeline.get_by_name('sink')
     self.pipeline.set_state(gst.STATE_PLAYING)

示例#10

文件： test_event.py 项目： ChinnaSuhas/ossbuild

 def setUp(self):
     TestCase.setUp(self)
     self.pipeline = gst.parse_launch('fakesrc ! fakesink name=sink')
     self.sink = self.pipeline.get_by_name('sink')
     self.pipeline.set_state(gst.STATE_PLAYING)

示例#11

 def setUp(self):
     TestCase.setUp(self)
     self.pipeline = gst.parse_launch('fakesrc name=source ! fakesink')
     src = self.pipeline.get_by_name('source')
     self.srcpad = src.get_pad('src')

示例#12

文件： test_pad.py 项目： alessandrod/gst-python

 def setUp(self):
     TestCase.setUp(self)
     self.pipeline = gst.parse_launch('fakesrc name=source ! fakesink')
     src = self.pipeline.get_by_name('source')
     self.srcpad = src.get_pad('src')

示例#13

文件： test_bus.py 项目： GStreamer/gst-python

    def testGoodConstructor(self):
        loop = gobject.MainLoop()
        gst.info ("creating pipeline")
        pipeline = gst.parse_launch("fakesrc ! fakesink")
        gst.info ("getting bus")
        bus = pipeline.get_bus()
        gst.info ("got bus")
        gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
        self.assertEquals(bus.__gstrefcount__, 2)
        self.assertEquals(pipeline.__gstrefcount__, 1)
        gst.info ("about to add a watch on the bus")
        watch_id = bus.add_watch(self._message_received, pipeline, loop, "one")
        gst.info ("added a watch on the bus")
        gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
        self.assertEquals(bus.__gstrefcount__, 3)
        self.assertEquals(pipeline.__gstrefcount__, 1)

        gst.info("setting to playing")
        ret = pipeline.set_state(gst.STATE_PLAYING)
        gst.info("set to playing %s, loop.run" % ret)
        gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
        loop.run()

        gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
        gst.info("setting to paused")
        ret = pipeline.set_state(gst.STATE_PAUSED)
        gst.info("set to paused %s, loop.run" % ret)
        gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
        loop.run()
        gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))

        gst.info("setting to ready")
        ret = pipeline.set_state(gst.STATE_READY)
        gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
        gst.info("set to READY %s, loop.run" % ret)
        loop.run()

        gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
        gst.info("setting to NULL")
        ret = pipeline.set_state(gst.STATE_NULL)
        gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
        gst.info("set to NULL %s" % ret)
        self.gccollect()
        self.assertEquals(bus.__gstrefcount__, 3)
        self.assertEquals(pipeline.__gstrefcount__, 1)

        gst.info("about to remove the watch id")
        gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
        self.failUnless(gobject.source_remove(watch_id))
        gst.info("bus watch id removed")
        gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
        self.gccollect()
        gst.info("pipeliner:%d/%d busr:%d" % (pipeline.__gstrefcount__, pipeline.__grefcount__, bus.__gstrefcount__))
        
        self.assertEquals(bus.__gstrefcount__, 2)
        self.assertEquals(pipeline.__gstrefcount__, 1)

        gst.info("removing pipeline")
        del pipeline
        gst.info("pipeline removed")
        gst.info("busr:%d" % bus.__gstrefcount__)

        self.gccollect()

        # flush the bus
        bus.set_flushing(True)
        bus.set_flushing(False)
        self.gccollect()
        # FIXME: refcount is still 2
        self.assertEquals(bus.__gstrefcount__, 1)

示例#14

 def testParseLaunch(self):
     pipeline = gst.parse_launch('fakesrc ! fakesink')

示例#15

文件： test_bus.py 项目： yuanliangzhe/gst-python

    def testGoodConstructor(self):
        loop = gobject.MainLoop()
        gst.info("creating pipeline")
        pipeline = gst.parse_launch("fakesrc ! fakesink")
        gst.info("getting bus")
        bus = pipeline.get_bus()
        gst.info("got bus")
        gst.info("pipeliner:%d busr:%d" %
                 (pipeline.__gstrefcount__, bus.__gstrefcount__))
        self.assertEquals(bus.__gstrefcount__, 2)
        self.assertEquals(pipeline.__gstrefcount__, 1)
        gst.info("about to add a watch on the bus")
        watch_id = bus.connect("message", self._message_received, pipeline,
                               loop, "one")
        bus.add_signal_watch()
        gst.info("added a watch on the bus")
        gst.info("pipeliner:%d busr:%d" %
                 (pipeline.__gstrefcount__, bus.__gstrefcount__))
        self.assertEquals(bus.__gstrefcount__, 3)
        self.assertEquals(pipeline.__gstrefcount__, 1)

        gst.info("setting to playing")
        ret = pipeline.set_state(gst.STATE_PLAYING)
        gst.info("set to playing %s, loop.run" % ret)
        gst.info("pipeliner:%d busr:%d" %
                 (pipeline.__gstrefcount__, bus.__gstrefcount__))
        loop.run()

        gst.info("pipeliner:%d busr:%d" %
                 (pipeline.__gstrefcount__, bus.__gstrefcount__))
        gst.info("setting to paused")
        ret = pipeline.set_state(gst.STATE_PAUSED)
        gst.info("set to paused %s, loop.run" % ret)
        gst.info("pipeliner:%d busr:%d" %
                 (pipeline.__gstrefcount__, bus.__gstrefcount__))
        loop.run()
        gst.info("pipeliner:%d busr:%d" %
                 (pipeline.__gstrefcount__, bus.__gstrefcount__))

        gst.info("setting to ready")
        ret = pipeline.set_state(gst.STATE_READY)
        gst.info("pipeliner:%d busr:%d" %
                 (pipeline.__gstrefcount__, bus.__gstrefcount__))
        gst.info("set to READY %s, loop.run" % ret)
        loop.run()

        gst.info("pipeliner:%d busr:%d" %
                 (pipeline.__gstrefcount__, bus.__gstrefcount__))
        gst.info("setting to NULL")
        ret = pipeline.set_state(gst.STATE_NULL)
        gst.info("pipeliner:%d busr:%d" %
                 (pipeline.__gstrefcount__, bus.__gstrefcount__))
        gst.info("set to NULL %s" % ret)
        self.gccollect()
        self.assertEquals(bus.__gstrefcount__, 3)
        # FIXME: state change thread needs to die
        while pipeline.__gstrefcount__ > 1:
            gst.debug('waiting for pipeline refcount to drop')
            time.sleep(0.1)
        self.assertEquals(pipeline.__gstrefcount__, 1)

        gst.info("about to remove the watch id")
        gst.info("pipeliner:%d busr:%d" %
                 (pipeline.__gstrefcount__, bus.__gstrefcount__))
        bus.remove_signal_watch()
        gst.info("bus watch id removed")
        bus.disconnect(watch_id)
        gst.info("disconnected callback")
        gst.info("pipeliner:%d busr:%d" %
                 (pipeline.__gstrefcount__, bus.__gstrefcount__))
        self.gccollect()
        gst.info("pipeliner:%d/%d busr:%d" %
                 (pipeline.__gstrefcount__, pipeline.__grefcount__,
                  bus.__gstrefcount__))

        self.assertEquals(bus.__gstrefcount__, 2)
        self.assertEquals(pipeline.__gstrefcount__, 1)

        gst.info("removing pipeline")
        del pipeline
        gst.info("pipeline removed")
        gst.info("busr:%d" % bus.__gstrefcount__)

        self.gccollect()

        # flush the bus
        bus.set_flushing(True)
        bus.set_flushing(False)
        self.gccollect()
        # FIXME: refcount is still 2
        self.assertEquals(bus.__gstrefcount__, 1)

示例#16

文件： test_bus.py 项目： yuanliangzhe/gst-python

    def testGoodConstructor(self):
        loop = gobject.MainLoop()
        gst.info("creating pipeline")
        pipeline = gst.parse_launch("fakesrc ! fakesink")
        gst.info("getting bus")
        bus = pipeline.get_bus()
        gst.info("got bus")
        gst.info("pipeliner:%d busr:%d" %
                 (pipeline.__gstrefcount__, bus.__gstrefcount__))
        self.assertEquals(bus.__gstrefcount__, 2)
        self.assertEquals(pipeline.__gstrefcount__, 1)
        gst.info("about to add a watch on the bus")
        watch_id = bus.add_watch(self._message_received, pipeline, loop, "one")
        gst.info("added a watch on the bus")
        gst.info("pipeliner:%d busr:%d" %
                 (pipeline.__gstrefcount__, bus.__gstrefcount__))
        self.assertEquals(bus.__gstrefcount__, 3)
        self.assertEquals(pipeline.__gstrefcount__, 1)

        gst.info("setting to playing")
        ret = pipeline.set_state(gst.STATE_PLAYING)
        gst.info("set to playing %s, loop.run" % ret)
        gst.info("pipeliner:%d busr:%d" %
                 (pipeline.__gstrefcount__, bus.__gstrefcount__))
        loop.run()

        gst.info("pipeliner:%d busr:%d" %
                 (pipeline.__gstrefcount__, bus.__gstrefcount__))
        gst.info("setting to paused")
        ret = pipeline.set_state(gst.STATE_PAUSED)
        gst.info("set to paused %s, loop.run" % ret)
        gst.info("pipeliner:%d busr:%d" %
                 (pipeline.__gstrefcount__, bus.__gstrefcount__))
        loop.run()
        gst.info("pipeliner:%d busr:%d" %
                 (pipeline.__gstrefcount__, bus.__gstrefcount__))

        gst.info("setting to ready")
        ret = pipeline.set_state(gst.STATE_READY)
        gst.info("pipeliner:%d busr:%d" %
                 (pipeline.__gstrefcount__, bus.__gstrefcount__))
        gst.info("set to READY %s, loop.run" % ret)
        loop.run()

        gst.info("pipeliner:%d busr:%d" %
                 (pipeline.__gstrefcount__, bus.__gstrefcount__))
        gst.info("setting to NULL")
        ret = pipeline.set_state(gst.STATE_NULL)
        gst.info("pipeliner:%d busr:%d" %
                 (pipeline.__gstrefcount__, bus.__gstrefcount__))
        gst.info("set to NULL %s" % ret)
        self.gccollect()
        self.assertEquals(bus.__gstrefcount__, 3)
        self.assertEquals(pipeline.__gstrefcount__, 1)

        gst.info("about to remove the watch id")
        gst.info("pipeliner:%d busr:%d" %
                 (pipeline.__gstrefcount__, bus.__gstrefcount__))
        self.failUnless(gobject.source_remove(watch_id))
        gst.info("bus watch id removed")
        gst.info("pipeliner:%d busr:%d" %
                 (pipeline.__gstrefcount__, bus.__gstrefcount__))
        self.gccollect()
        gst.info("pipeliner:%d/%d busr:%d" %
                 (pipeline.__gstrefcount__, pipeline.__grefcount__,
                  bus.__gstrefcount__))

        self.assertEquals(bus.__gstrefcount__, 2)
        self.assertEquals(pipeline.__gstrefcount__, 1)

        gst.info("removing pipeline")
        del pipeline
        gst.info("pipeline removed")
        gst.info("busr:%d" % bus.__gstrefcount__)

        self.gccollect()

        # flush the bus
        bus.set_flushing(True)
        bus.set_flushing(False)
        self.gccollect()
        # FIXME: refcount is still 2
        self.assertEquals(bus.__gstrefcount__, 1)

示例#17

文件： test_bus.py 项目： GStreamer/gst-python

    def testGoodConstructor(self):
        loop = gobject.MainLoop()
        gst.info ("creating pipeline")
        pipeline = gst.parse_launch("fakesrc ! fakesink")
        gst.info ("getting bus")
        bus = pipeline.get_bus()
        gst.info ("got bus")
        gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
        self.assertEquals(bus.__gstrefcount__, 2)
        self.assertEquals(pipeline.__gstrefcount__, 1)
        gst.info ("about to add a watch on the bus")
        watch_id = bus.connect("message", self._message_received, pipeline, loop, "one")
        bus.add_signal_watch()
        gst.info ("added a watch on the bus")
        gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
        self.assertEquals(bus.__gstrefcount__, 3)
        self.assertEquals(pipeline.__gstrefcount__, 1)

        gst.info("setting to playing")
        ret = pipeline.set_state(gst.STATE_PLAYING)
        gst.info("set to playing %s, loop.run" % ret)
        gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
        loop.run()

        gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
        gst.info("setting to paused")
        ret = pipeline.set_state(gst.STATE_PAUSED)
        gst.info("set to paused %s, loop.run" % ret)
        gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
        loop.run()
        gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))

        gst.info("setting to ready")
        ret = pipeline.set_state(gst.STATE_READY)
        gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
        gst.info("set to READY %s, loop.run" % ret)
        loop.run()

        gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
        gst.info("setting to NULL")
        ret = pipeline.set_state(gst.STATE_NULL)
        gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
        gst.info("set to NULL %s" % ret)
        self.gccollect()
        self.assertEquals(bus.__gstrefcount__, 3)
        # FIXME: state change thread needs to die
        while pipeline.__gstrefcount__ > 1:
            gst.debug('waiting for pipeline refcount to drop')
            time.sleep(0.1)
        self.assertEquals(pipeline.__gstrefcount__, 1)

        gst.info("about to remove the watch id")
        gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
        bus.remove_signal_watch()
        gst.info("bus watch id removed")
        bus.disconnect(watch_id)
        gst.info("disconnected callback")
        gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
        self.gccollect()
        gst.info("pipeliner:%d/%d busr:%d" % (pipeline.__gstrefcount__, pipeline.__grefcount__, bus.__gstrefcount__))
        
        self.assertEquals(bus.__gstrefcount__, 2)
        self.assertEquals(pipeline.__gstrefcount__, 1)

        gst.info("removing pipeline")
        del pipeline
        gst.info("pipeline removed")
        gst.info("busr:%d" % bus.__gstrefcount__)

        self.gccollect()

        # flush the bus
        bus.set_flushing(True)
        bus.set_flushing(False)
        self.gccollect()
        # FIXME: refcount is still 2
        self.assertEquals(bus.__gstrefcount__, 1)

示例#18

 def setUp(self):
     self.gctrack()
     self.pipeline = gst.parse_launch('audiotestsrc num-buffers=100 ! vorbisenc name=encoder ! oggmux name=muxer ! fakesink')

示例#19

文件： test_pad.py 项目： GStreamer/gst-python

 def setUp(self):
     TestCase.setUp(self)
     self.pipeline = gst.parse_launch("fakesrc name=source ! fakesink")
     src = self.pipeline.get_by_name("source")
     self.srcpad = src.get_pad("src")