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Python Track.removeAllTrackObjects方法代碼示例

本文整理匯總了Python中pitivi.timeline.track.Track.removeAllTrackObjects方法的典型用法代碼示例。如果您正苦於以下問題:Python Track.removeAllTrackObjects方法的具體用法?Python Track.removeAllTrackObjects怎麽用?Python Track.removeAllTrackObjects使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在pitivi.timeline.track.Track的用法示例。


在下文中一共展示了Track.removeAllTrackObjects方法的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Python代碼示例。

示例1: TestStillImage

# 需要導入模塊: from pitivi.timeline.track import Track [as 別名]
# 或者: from pitivi.timeline.track.Track import removeAllTrackObjects [as 別名]
class TestStillImage(TestCase):
    clip_duration = 3 * gst.SECOND
    def setUp(self):
        self.mainloop = gobject.MainLoop()

        samples = os.path.join(os.path.dirname(__file__), "samples")
        self.facs = []
        self.facs.append([PictureFileSourceFactory('file://' + os.path.join(samples, "flat_colour1_640x480.png")), VideoStream(gst.Caps("video/x-raw-rgb,bpp=(int)24,depth=(int)24,endianness=(int)4321,red_mask=(int)16711680,green_mask=(int)65280,blue_mask=(int)255"))])
        self.facs.append([PictureFileSourceFactory('file://' + os.path.join(samples, "flat_colour2_640x480.png")), VideoStream(gst.Caps("video/x-raw-rgb,bpp=(int)24,depth=(int)24,endianness=(int)4321,red_mask=(int)16711680,green_mask=(int)65280,blue_mask=(int)255"))])
        self.facs.append([PictureFileSourceFactory('file://' + os.path.join(samples, "flat_colour3_320x180.png")), VideoStream(gst.Caps("video/x-raw-rgb,bpp=(int)24,depth=(int)24,endianness=(int)4321,red_mask=(int)16711680,green_mask=(int)65280,blue_mask=(int)255"))])
        # one video with a different resolution
        self.facs.append([VideoTestSourceFactory(), VideoStream(gst.Caps('video/x-raw-yuv,width=(int)640,height=(int)480,format=(fourcc)I420'))])

        # configure durations and add output streams to factories
        for fac in self.facs:
            factory = fac[0]
            stream = fac[1]
            factory.duration = self.clip_duration
            factory.addOutputStream(stream)
        self.track_objects = []
        self.track = Track(self.facs[0][1])
        self.timeline = Timeline()
        self.timeline.addTrack(self.track)

        vsettings = StreamEncodeSettings(encoder="theoraenc")
        rsettings = RenderSettings(settings=[vsettings],
                                   muxer="oggmux")
        self.fakesink = common.FakeSinkFactory()
        rendersink = RenderSinkFactory(RenderFactory(settings=rsettings),
                                       self.fakesink)
        self.render = RenderAction()
        self.pipeline = Pipeline()
        self.pipeline.connect("eos", self._renderEOSCb)
        self.pipeline.connect("error", self._renderErrorCb)
        self.pipeline.addAction(self.render)
        self.render.addConsumers(rendersink)
        timeline_factory = TimelineSourceFactory(self.timeline)
        self.render.addProducers(timeline_factory)

    def tearDown(self):
        self.mainloop.quit()

    def configureStreams(self, inputs, offsets):
        count = 0
        for i in inputs:
            factory = self.facs[i][0]
            stream = self.facs[i][1]
            track_object = SourceTrackObject(factory, stream)
            self.track_objects.append(track_object)
            track_object.start = offsets[count]
            self.track.addTrackObject(track_object)
            count += 1

    def startRender(self):
        self.render.activate()
        self.data_written = 0
        self.fakesink.bins[0].props.signal_handoffs = True
        self.fakesink.bins[0].connect("handoff", self._fakesinkHandoffCb)
        self.pipeline.play()
        self.mainloop.run()

    def _fakesinkHandoffCb(self, fakesink, buf, pad):
        self.data_written += buf.size

    def _renderEOSCb(self, obj):
        self.mainloop.quit()
        # check the render was successful
        self.assertTrue(self.data_written > 0)

    def _renderErrorCb(self, obj, error, details):
        print "Error: %s\nDetails: %s" % (str(error), str(details))
        self.fail("Pipeline rendering error")

    def cleanUp(self):
        self.render.deactivate()
        self.track.removeAllTrackObjects()
        self.track_objects = []

    def testRendering(self):
        # use one of the still image streams
        self.configureStreams(range(1), [0])
        self.startRender()
        self.cleanUp()


        # use two images with the same resolution and concatenate them
        self.configureStreams(range(2), [0, self.clip_duration])
        self.startRender()
        self.cleanUp()


        # concatenate images with different resolutions
        self.configureStreams(range(3), [0, self.clip_duration, 2 * self.clip_duration])
        self.startRender()
        self.cleanUp()


        # mix images with different resolutions by overlapping
        self.configureStreams(range(3), [0, self.clip_duration // 2, self.clip_duration])
        self.startRender()
#.........這裏部分代碼省略.........
開發者ID:bemasc,項目名稱:pitivi,代碼行數:103,代碼來源:test_still_image.py


注:本文中的pitivi.timeline.track.Track.removeAllTrackObjects方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。