Python Timeline.addTrack方法代码示例

# 需要导入模块: from pitivi.timeline.timeline import Timeline [as 别名]
# 或者: from pitivi.timeline.timeline.Timeline import addTrack [as 别名]
    def testSaveTimeline(self):
        video_stream = VideoStream(gst.Caps("video/x-raw-yuv"))
        audio_stream = AudioStream(gst.Caps("audio/x-raw-int"))
        source1 = VideoTestSourceFactory()
        source1.addOutputStream(video_stream)

        self.formatter._saveSource(source1)
        self.formatter._saveStream(video_stream)

        track_object = SourceTrackObject(source1, video_stream,
                start=10 * gst.SECOND, duration=20 * gst.SECOND,
                in_point=5 * gst.SECOND, media_duration=15 * gst.SECOND,
                priority=10)

        track = Track(video_stream)
        track.addTrackObject(track_object)

        self.formatter._saveTrackObject(track_object)

        timeline_object = TimelineObject(source1)
        timeline_object.addTrackObject(track_object)

        self.formatter._saveTimelineObject(timeline_object)

        timeline = Timeline()
        timeline.addTrack(track)

        element = self.formatter._saveTimeline(timeline)
        self.failUnlessEqual(element.tag, "timeline")
        tracks = element.find("tracks")
        self.failUnlessEqual(len(tracks), 1)

# 需要导入模块: from pitivi.timeline.timeline import Timeline [as 别名]
# 或者: from pitivi.timeline.timeline.Timeline import addTrack [as 别名]
    def testConnectionAndDisconnection(self):
        timeline = Timeline()
        stream = new_stream()
        factory = new_source_factory()
        track = Track(stream)
        track_object1 = SourceTrackObject(factory, stream)
        track.addTrackObject(track_object1)
        timeline.addTrack(track)
        timeline_object1 = TimelineObject(factory)
        timeline_object1.addTrackObject(track_object1)
        timeline.addTimelineObject(timeline_object1)

        self.observer.startObserving(timeline)
        self.failUnless(timeline.connected)
        self.failUnless(timeline_object1.connected)

        timeline.removeTimelineObject(timeline_object1)
        self.failIf(timeline_object1.connected)

        timeline.addTimelineObject(timeline_object1)
        self.failUnless(timeline_object1)

        self.observer.stopObserving(timeline)
        self.failIf(timeline.connected)
        self.failIf(timeline_object1.connected)

# 需要导入模块: from pitivi.timeline.timeline import Timeline [as 别名]
# 或者: from pitivi.timeline.timeline.Timeline import addTrack [as 别名]
    def testPads(self):
        timeline = Timeline()
        stream1 = VideoStream(gst.Caps('video/x-raw-rgb'), 'src0')
        stream2 = AudioStream(gst.Caps('audio/x-raw-int'), 'src1')
        track1 = Track(stream1)
        track2 = Track(stream2)

        timeline.addTrack(track1)
        timeline.addTrack(track2)

        factory = TimelineSourceFactory(timeline)
        bin = factory.makeBin()

        self.failUnlessEqual(len(list(bin.src_pads())), 0)

        pad1 = gst.Pad('src0', gst.PAD_SRC)
        pad1.set_caps(gst.Caps('asd'))
        pad1.set_active(True)
        track1.composition.add_pad(pad1)

        pad2 = gst.Pad('src0', gst.PAD_SRC)
        pad2.set_caps(gst.Caps('asd'))
        pad2.set_active(True)
        track2.composition.add_pad(pad2)

        self.failUnlessEqual(len(list(bin.src_pads())), 2)
        track1.composition.remove_pad(pad1)
        self.failUnlessEqual(len(list(bin.src_pads())), 1)
        track2.composition.remove_pad(pad2)
        self.failUnlessEqual(len(list(bin.src_pads())), 0)

        factory.clean()

# 需要导入模块: from pitivi.timeline.timeline import Timeline [as 别名]
# 或者: from pitivi.timeline.timeline.Timeline import addTrack [as 别名]
    def testTracks(self):
        timeline = Timeline()
        stream1 = VideoStream(gst.Caps('video/x-raw-rgb'), 'src0')
        stream2 = AudioStream(gst.Caps('audio/x-raw-int'), 'src1')
        track1 = Track(stream1)
        track2 = Track(stream2)

        # start with 2 tracks
        timeline.addTrack(track1)
        timeline.addTrack(track2)

        factory = TimelineSourceFactory(timeline)
        bin = factory.makeBin()
        self.failUnlessEqual(len(list(bin)), 2)
        self.failUnlessEqual(set(factory.getOutputStreams()),
                set([stream1, stream2]))

        # add a new track
        stream3 = AudioStream(gst.Caps('audio/x-raw-int'), 'src2')
        track3 = Track(stream3)
        timeline.addTrack(track3)
        self.failUnlessEqual(len(list(bin)), 3)
        self.failUnlessEqual(set(factory.getOutputStreams()),
                set([stream1, stream2, stream3]))

        # remove a track
        timeline.removeTrack(track3)
        self.failUnlessEqual(len(list(bin)), 2)
        self.failUnlessEqual(set(factory.getOutputStreams()),
                set([stream1, stream2]))

        factory.clean()

# 需要导入模块: from pitivi.timeline.timeline import Timeline [as 别名]
# 或者: from pitivi.timeline.timeline.Timeline import addTrack [as 别名]
    def testAudioOnly(self):
        audio_factory1 = AudioTestSourceFactory(3)
        audio_factory1.duration = 10 * gst.SECOND
        stream = AudioStream(gst.Caps('audio/x-raw-int'), 'src0')
        audio_factory1.addOutputStream(stream)

        timeline = Timeline()
        track = Track(stream)
        track_object1 = SourceTrackObject(audio_factory1, stream)
        track_object1.start = 2 * gst.SECOND
        track.addTrackObject(track_object1)
        timeline.addTrack(track)

        factory = TimelineSourceFactory(timeline)
        bin = factory.makeBin()
        self.failUnlessEqual(len(list(bin)), 1)
        self.failUnlessEqual(factory.duration, 12 * gst.SECOND)

        fakesink = gst.element_factory_make('fakesink')

        def bin_pad_added_cb(bin, pad):
            pad.link(fakesink.get_pad('sink'))

        bin.connect('pad-added', bin_pad_added_cb)

        def error_cb(bus, message):
            gerror, debug = message.parse_error()
            self.fail('%s: %s' % (gerror.message, debug))

        def eos_cb(bus, message):
            self.loop.quit()

        pipeline = gst.Pipeline()
        bus = pipeline.get_bus()
        bus.add_signal_watch()
        bus.connect('message::error', error_cb)
        bus.connect('message::eos', eos_cb)

        pipeline.add(bin)
        pipeline.add(fakesink)

        pipeline.set_state(gst.STATE_PLAYING)
        self.loop.run()
        pipeline.set_state(gst.STATE_NULL)

        factory.clean()

# 需要导入模块: from pitivi.timeline.timeline import Timeline [as 别名]
# 或者: from pitivi.timeline.timeline.Timeline import addTrack [as 别名]
    def testLoadProject(self):
        video_stream = VideoStream(gst.Caps("video/x-raw-yuv"))
        audio_stream = AudioStream(gst.Caps("audio/x-raw-int"))
        source1 = VideoTestSourceFactory()

        self.formatter._saveSource(source1)
        self.formatter._saveStream(video_stream)

        track_object = SourceTrackObject(source1, video_stream,
                start=10 * gst.SECOND, duration=20 * gst.SECOND,
                in_point=5 * gst.SECOND, media_duration=15 * gst.SECOND,
                priority=10)

        track = Track(video_stream)
        track.addTrackObject(track_object)

        self.formatter._saveTrackObject(track_object)

        timeline_object = TimelineObject(source1)
        timeline_object.addTrackObject(track_object)

        self.formatter._saveTimelineObject(timeline_object)

        timeline = Timeline()
        timeline.addTrack(track)

        self.formatter._saveTimeline(timeline)

        project = Project()
        project.timeline = timeline
        project.sources.addFactory(source1)

        element = self.formatter._serializeProject(project)

        self.failUnlessEqual(element.tag, "pitivi")
        self.failIfEqual(element.find("factories"), None)
        self.failIfEqual(element.find("timeline"), None)

        indent(element)
        f = file("/tmp/untitled.pptv", "w")
        f.write(tostring(element))
        f.close()

# 需要导入模块: from pitivi.timeline.timeline import Timeline [as 别名]
# 或者: from pitivi.timeline.timeline.Timeline import addTrack [as 别名]
class  TestTimelineUndo(TestCase):
    def setUp(self):
        self.stream = new_stream()
        self.factory = new_source_factory()
        self.effect_factory = TestEffectFactory(self.stream)
        self.track1 = Track(self.stream)
        self.track2 = Track(self.stream)
        self.timeline = Timeline()
        self.timeline.addTrack(self.track1)
        self.timeline.addTrack(self.track2)
        self.track_object1 = SourceTrackObject(self.factory, self.stream)
        self.track_object2 = SourceTrackObject(self.factory, self.stream)
        self.track_effect1 = TrackEffect(self.effect_factory, self.stream)
        self.track_effect2 = TrackEffect(self.effect_factory, self.stream)
        self.track1.addTrackObject(self.track_object1)
        self.track2.addTrackObject(self.track_object2)
        self.timeline_object1 = TimelineObject(self.factory)
        self.timeline_object1.addTrackObject(self.track_object1)
        self.timeline_object1.addTrackObject(self.track_object2)
        self.action_log = UndoableActionLog()
        self.observer = TestTimelineLogObserver(self.action_log)
        self.observer.startObserving(self.timeline)

    def testAddTimelineObject(self):
        stacks = []

        def commitCb(action_log, stack, nested):
            stacks.append(stack)
        self.action_log.connect("commit", commitCb)

        self.action_log.begin("add clip")
        self.timeline.addTimelineObject(self.timeline_object1)
        self.action_log.commit()

        self.failUnlessEqual(len(stacks), 1)
        stack = stacks[0]
        self.failUnlessEqual(len(stack.done_actions), 1)
        action = stack.done_actions[0]
        self.failUnless(isinstance(action, TimelineObjectAdded))

        self.failUnless(self.timeline_object1 \
                in self.timeline.timeline_objects)
        self.action_log.undo()
        self.failIf(self.timeline_object1 \
                in self.timeline.timeline_objects)

        self.action_log.redo()
        self.failUnless(self.timeline_object1 \
                in self.timeline.timeline_objects)

    def testRemoveTimelineObject(self):
        stacks = []

        def commitCb(action_log, stack, nested):
            stacks.append(stack)
        self.action_log.connect("commit", commitCb)

        self.timeline.addTimelineObject(self.timeline_object1)
        self.action_log.begin("remove clip")
        self.timeline.removeTimelineObject(self.timeline_object1, deep=True)
        self.action_log.commit()

        self.failUnlessEqual(len(stacks), 1)
        stack = stacks[0]
        self.failUnlessEqual(len(stack.done_actions), 1)
        action = stack.done_actions[0]
        self.failUnless(isinstance(action, TimelineObjectRemoved))

        self.failIf(self.timeline_object1 \
                in self.timeline.timeline_objects)
        self.action_log.undo()
        self.failUnless(self.timeline_object1 \
                in self.timeline.timeline_objects)

        self.action_log.redo()
        self.failIf(self.timeline_object1 \
                in self.timeline.timeline_objects)

    def testAddEffectToTimelineObject(self):
        stacks = []
        pipeline = Pipeline()

        def commitCb(action_log, stack, nested):
            stacks.append(stack)
        self.action_log.connect("commit", commitCb)
        self.observer.pipeline = pipeline

        #FIXME Should I commit it and check there are 2 elements
        #in the stacks
        self.timeline.addTimelineObject(self.timeline_object1)
        self.track1.addTrackObject(self.track_effect1)

        self.action_log.begin("add effect")
        self.timeline_object1.addTrackObject(self.track_effect1)
        self.action_log.commit()

        self.failUnlessEqual(len(stacks), 1)
        stack = stacks[0]
        self.failUnlessEqual(len(stack.done_actions), 1)
        action = stack.done_actions[0]
#.........这里部分代码省略.........

# 需要导入模块: from pitivi.timeline.timeline import Timeline [as 别名]
# 或者: from pitivi.timeline.timeline.Timeline import addTrack [as 别名]
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()
#.........这里部分代码省略.........