本文整理汇总了Python中pitivi.timeline.track.SourceTrackObject.getInterpolator方法的典型用法代码示例。如果您正苦于以下问题：Python SourceTrackObject.getInterpolator方法的具体用法？Python SourceTrackObject.getInterpolator怎么用？Python SourceTrackObject.getInterpolator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.timeline.track.SourceTrackObject的用法示例。
在下文中一共展示了SourceTrackObject.getInterpolator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: testSplitObjectKeyframes
# 需要导入模块: from pitivi.timeline.track import SourceTrackObject [as 别名]
# 或者: from pitivi.timeline.track.SourceTrackObject import getInterpolator [as 别名]
def testSplitObjectKeyframes(self):
DURATION = 10 * gst.SECOND
factory = AudioTestSourceFactory()
factory.duration = DURATION
stream_ = AudioStream(gst.Caps("audio/x-raw-int"))
obj = SourceTrackObject(factory, stream_)
track = Track(stream_)
track.addTrackObject(obj)
obj.start = 3 * gst.SECOND
obj.duration = DURATION
# create a three keyframes at: 3, 6 and 9 seconds
interpolator = obj.getInterpolator("volume")
keyframes = dict(((t * gst.SECOND, (t % 2, gst.INTERPOLATE_LINEAR))
for t in xrange(3, 10, 3)))
expected = []
expected2 = []
for time, (value, mode) in keyframes.iteritems():
kf = interpolator.newKeyframe(time, value, mode)
if time < (5 * gst.SECOND):
expected.append(kf)
else:
expected2.append(kf)
def getKeyframes(obj):
keyframes = obj.getInterpolator("volume").getInteriorKeyframes()
return list(keyframes)
obj2 = obj.splitObject(8 * gst.SECOND)
keyframes = getKeyframes(obj)
keyframes2 = getKeyframes(obj2)
self.failUnlessEqual(keyframes, expected)
self.failUnlessEqual(keyframes2, expected2)示例2: testSplitObject
# 需要导入模块: from pitivi.timeline.track import SourceTrackObject [as 别名]
# 或者: from pitivi.timeline.track.SourceTrackObject import getInterpolator [as 别名]
def testSplitObject(self):
DURATION = 10 * gst.SECOND
factory = AudioTestSourceFactory()
factory.duration = DURATION
stream_ = AudioStream(gst.Caps("audio/x-raw-int"))
obj = SourceTrackObject(factory, stream_)
track = Track(stream_)
track.addTrackObject(obj)
obj.start = 3 * gst.SECOND
obj.duration = DURATION
# create a zig-zag volume curve
interpolator = obj.getInterpolator("volume")
expected = dict(((t * gst.SECOND, (t % 2, gst.INTERPOLATE_LINEAR))
for t in xrange(3, 10, 3)))
for time, (value, mode) in expected.iteritems():
interpolator.newKeyframe(time, value, mode)
def getKeyframes(obj):
keyframes = obj.getInterpolator("volume").getInteriorKeyframes()
return dict(((kf.time, (kf.value, kf.mode)) for kf in keyframes))
monitor = TrackSignalMonitor(obj)
self.failUnlessRaises(TrackError, obj.splitObject, 2 * gst.SECOND)
self.failUnlessRaises(TrackError, obj.splitObject, 14 * gst.SECOND)
# should these be possible (ie create empty objects) ?
self.failUnlessRaises(TrackError, obj.splitObject, 3 * gst.SECOND)
self.failUnlessRaises(TrackError, obj.splitObject, 13 * gst.SECOND)
# splitObject at 4s should result in:
# obj (start 3, end 4) other1 (start 4, end 13)
other1 = obj.splitObject(4 * gst.SECOND)
self.failUnlessEqual(expected, getKeyframes(other1))
self.failUnlessEqual(obj.start, 3 * gst.SECOND)
self.failUnlessEqual(obj.in_point, 0 * gst.SECOND)
self.failUnlessEqual(obj.duration, 1 * gst.SECOND)
self.failUnlessEqual(obj.rate, 1)
self.failUnlessEqual(other1.start, 4 * gst.SECOND)
self.failUnlessEqual(other1.in_point, 1 * gst.SECOND)
self.failUnlessEqual(other1.duration, 9 * gst.SECOND)
self.failUnlessEqual(other1.rate, 1)
self.failUnlessEqual(monitor.start_changed_count, 0)
self.failUnlessEqual(monitor.duration_changed_count, 1)
# move other1 back to start = 1
other1.start = 1 * gst.SECOND
# splitObject again other1
monitor = TrackSignalMonitor(other1)
other2 = other1.splitObject(6 * gst.SECOND)
self.failUnlessEqual(other1.start, 1 * gst.SECOND)
self.failUnlessEqual(other1.in_point, 1 * gst.SECOND)
self.failUnlessEqual(other1.duration, 5 * gst.SECOND)
self.failUnlessEqual(other1.rate, 1)
self.failUnlessEqual(other2.start, 6 * gst.SECOND)
self.failUnlessEqual(other2.in_point, 6 * gst.SECOND)
self.failUnlessEqual(other2.duration, 4 * gst.SECOND)
self.failUnlessEqual(other2.rate, 1)
self.failUnlessEqual(monitor.start_changed_count, 0)
self.failUnlessEqual(monitor.duration_changed_count, 1)