def testGapFinder(self):
timeline_object1 = self.makeTimelineObject()
timeline_object2 = self.makeTimelineObject()
timeline_object3 = self.makeTimelineObject()
timeline_object4 = self.makeTimelineObject()
timeline_object1.start = 5 * gst.SECOND
timeline_object1.duration = 10 * gst.SECOND
timeline_object1.priority = 1
timeline_object2.start = 20 * gst.SECOND
timeline_object2.duration = 10 * gst.SECOND
timeline_object2.priority = 1
timeline_object3.start = 31 * gst.SECOND
timeline_object3.duration = 10 * gst.SECOND
timeline_object3.priority = 2
timeline_object4.start = 50 * gst.SECOND
timeline_object4.duration = 10 * gst.SECOND
timeline_object4.priority = 2
gap_finder = SmallestGapsFinder(set([timeline_object2,
timeline_object3]))
gap_finder.update(*Gap.findAroundObject(timeline_object2))
gap_finder.update(*Gap.findAroundObject(timeline_object3))
left_gap = gap_finder.left_gap
right_gap = gap_finder.right_gap
self.failUnlessEqual(left_gap.left_object, timeline_object1)
self.failUnlessEqual(left_gap.right_object, timeline_object2)
self.failUnlessEqual(left_gap.start, 15 * gst.SECOND)
self.failUnlessEqual(left_gap.duration, 5 * gst.SECOND)
self.failUnlessEqual(right_gap.left_object, timeline_object3)
self.failUnlessEqual(right_gap.right_object, timeline_object4)
self.failUnlessEqual(right_gap.start, 41 * gst.SECOND)
self.failUnlessEqual(right_gap.duration, 9 * gst.SECOND)
# make timeline_object3 and timeline_object4 overlap
timeline_object3.duration = 20 * gst.SECOND
gap_finder = SmallestGapsFinder(set([timeline_object4]))
gap_finder.update(*Gap.findAroundObject(timeline_object4))
left_gap = gap_finder.left_gap
right_gap = gap_finder.right_gap
self.failUnlessEqual(left_gap, invalid_gap)
self.failUnlessEqual(right_gap.left_object, timeline_object4)
self.failUnlessEqual(right_gap.right_object, None)
self.failUnlessEqual(right_gap.start, 60 * gst.SECOND)
self.failUnlessEqual(right_gap.duration, infinity)
gap_finder = SmallestGapsFinder(set([timeline_object3]))
gap_finder.update(*Gap.findAroundObject(timeline_object3))
left_gap = gap_finder.left_gap
right_gap = gap_finder.right_gap
self.failUnlessEqual(left_gap.left_object, None)
self.failUnlessEqual(left_gap.right_object, timeline_object3)
self.failUnlessEqual(left_gap.start, 0 * gst.SECOND)
self.failUnlessEqual(left_gap.duration, 31 * gst.SECOND)
self.failUnlessEqual(right_gap, invalid_gap)
def testGapFinder(self):
timeline_object1 = self.makeTimelineObject()
timeline_object2 = self.makeTimelineObject()
timeline_object3 = self.makeTimelineObject()
timeline_object4 = self.makeTimelineObject()
timeline_object1.start = 5 * gst.SECOND
timeline_object1.duration = 10 * gst.SECOND
timeline_object1.priority = 1
timeline_object2.start = 20 * gst.SECOND
timeline_object2.duration = 10 * gst.SECOND
timeline_object2.priority = 1
timeline_object3.start = 31 * gst.SECOND
timeline_object3.duration = 10 * gst.SECOND
timeline_object3.priority = 2
timeline_object4.start = 50 * gst.SECOND
timeline_object4.duration = 10 * gst.SECOND
timeline_object4.priority = 2
gap_finder = SmallestGapsFinder(
set([timeline_object2, timeline_object3]))
gap_finder.update(*Gap.findAroundObject(timeline_object2))
gap_finder.update(*Gap.findAroundObject(timeline_object3))
left_gap = gap_finder.left_gap
right_gap = gap_finder.right_gap
self.failUnlessEqual(left_gap.left_object, timeline_object1)
self.failUnlessEqual(left_gap.right_object, timeline_object2)
self.failUnlessEqual(left_gap.start, 15 * gst.SECOND)
self.failUnlessEqual(left_gap.duration, 5 * gst.SECOND)
self.failUnlessEqual(right_gap.left_object, timeline_object3)
self.failUnlessEqual(right_gap.right_object, timeline_object4)
self.failUnlessEqual(right_gap.start, 41 * gst.SECOND)
self.failUnlessEqual(right_gap.duration, 9 * gst.SECOND)
# make timeline_object3 and timeline_object4 overlap
timeline_object3.duration = 20 * gst.SECOND
gap_finder = SmallestGapsFinder(set([timeline_object4]))
gap_finder.update(*Gap.findAroundObject(timeline_object4))
left_gap = gap_finder.left_gap
right_gap = gap_finder.right_gap
self.failUnlessEqual(left_gap, invalid_gap)
self.failUnlessEqual(right_gap.left_object, timeline_object4)
self.failUnlessEqual(right_gap.right_object, None)
self.failUnlessEqual(right_gap.start, 60 * gst.SECOND)
self.failUnlessEqual(right_gap.duration, infinity)
gap_finder = SmallestGapsFinder(set([timeline_object3]))
gap_finder.update(*Gap.findAroundObject(timeline_object3))
left_gap = gap_finder.left_gap
right_gap = gap_finder.right_gap
self.failUnlessEqual(left_gap.left_object, None)
self.failUnlessEqual(left_gap.right_object, timeline_object3)
self.failUnlessEqual(left_gap.start, 0 * gst.SECOND)
self.failUnlessEqual(left_gap.duration, 31 * gst.SECOND)
self.failUnlessEqual(right_gap, invalid_gap)
def testFindAllGaps(self):
simple = ((3 * gst.SECOND, 1 * gst.SECOND), (1 * gst.SECOND,
1 * gst.SECOND))
objs = []
for start, duration in simple:
obj = self.makeTimelineObject()
obj.start = start
obj.duration = duration
objs.append(obj)
result = [(g.start, g.initial_duration) for g in Gap.findAllGaps(objs)]
self.assertEquals(result, [
(0 * gst.SECOND, 1 * gst.SECOND),
(2 * gst.SECOND, 1 * gst.SECOND),
])
complex = [
(1 * gst.SECOND, 2 * gst.SECOND),
(6 * gst.SECOND, 2 * gst.SECOND),
(10 * gst.SECOND, 2 * gst.SECOND),
(8 * gst.SECOND, 2 * gst.SECOND),
(14 * gst.SECOND, 1 * gst.SECOND),
(4 * gst.SECOND, 1 * gst.SECOND),
]
objs = []
for start, duration in complex:
obj = self.makeTimelineObject()
obj.start = start
obj.duration = duration
objs.append(obj)
result = [(g.start, g.initial_duration) for g in Gap.findAllGaps(objs)]
self.assertEquals(result, [
(0 * gst.SECOND, 1 * gst.SECOND),
(3 * gst.SECOND, 1 * gst.SECOND),
(5 * gst.SECOND, 1 * gst.SECOND),
(12 * gst.SECOND, 2 * gst.SECOND),
])
complex.append((2 * gst.SECOND, 5 * gst.SECOND))
objs = []
for start, duration in complex:
obj = self.makeTimelineObject()
obj.start = start
obj.duration = duration
objs.append(obj)
result = [(g.start, g.initial_duration) for g in Gap.findAllGaps(objs)]
self.assertEquals(result, [
(0 * gst.SECOND, 1 * gst.SECOND),
(12 * gst.SECOND, 2 * gst.SECOND),
])
def testGapCmp(self):
gap1 = Gap(None, None, start=10, duration=5)
gap2 = Gap(None, None, start=10, duration=5)
self.failUnlessEqual(gap1, gap2)
gap2 = Gap(None, None, start=15, duration=4)
self.failUnless(gap1 > gap2)
self.failUnless(gap2 < gap1)
def testFindAroundObject(self):
timeline_object1 = self.makeTimelineObject()
timeline_object2 = self.makeTimelineObject()
timeline_object1.start = 5 * gst.SECOND
timeline_object1.duration = 10 * gst.SECOND
timeline_object2.start = 20 * gst.SECOND
timeline_object2.duration = 10 * gst.SECOND
left_gap, right_gap = Gap.findAroundObject(timeline_object1)
self.failUnlessEqual(left_gap.left_object, None)
self.failUnlessEqual(left_gap.right_object, timeline_object1)
self.failUnlessEqual(left_gap.start, 0 * gst.SECOND)
self.failUnlessEqual(left_gap.duration, 5 * gst.SECOND)
self.failUnlessEqual(right_gap.left_object, timeline_object1)
self.failUnlessEqual(right_gap.right_object, timeline_object2)
self.failUnlessEqual(right_gap.start, 15 * gst.SECOND)
self.failUnlessEqual(right_gap.duration, 5 * gst.SECOND)
left_gap, right_gap = Gap.findAroundObject(timeline_object2)
self.failUnlessEqual(left_gap.left_object, timeline_object1)
self.failUnlessEqual(left_gap.right_object, timeline_object2)
self.failUnlessEqual(left_gap.start, 15 * gst.SECOND)
self.failUnlessEqual(left_gap.duration, 5 * gst.SECOND)
self.failUnlessEqual(right_gap.left_object, timeline_object2)
self.failUnlessEqual(right_gap.right_object, None)
self.failUnlessEqual(right_gap.start, 30 * gst.SECOND)
self.failUnlessEqual(right_gap.duration, infinity)
# make the objects overlap
timeline_object2.start = 10 * gst.SECOND
left_gap, right_gap = Gap.findAroundObject(timeline_object1)
self.failUnlessEqual(right_gap.left_object, timeline_object1)
self.failUnlessEqual(right_gap.right_object, timeline_object2)
self.failUnlessEqual(right_gap.start, 15 * gst.SECOND)
self.failUnlessEqual(right_gap.duration, -5 * gst.SECOND)
def testFindAroundObject(self):
timeline_object1 = self.makeTimelineObject()
timeline_object2 = self.makeTimelineObject()
timeline_object1.start = 5 * gst.SECOND
timeline_object1.duration = 10 * gst.SECOND
timeline_object2.start = 20 * gst.SECOND
timeline_object2.duration = 10 * gst.SECOND
left_gap, right_gap = Gap.findAroundObject(timeline_object1)
self.failUnlessEqual(left_gap.left_object, None)
self.failUnlessEqual(left_gap.right_object, timeline_object1)
self.failUnlessEqual(left_gap.start, 0 * gst.SECOND)
self.failUnlessEqual(left_gap.duration, 5 * gst.SECOND)
self.failUnlessEqual(right_gap.left_object, timeline_object1)
self.failUnlessEqual(right_gap.right_object, timeline_object2)
self.failUnlessEqual(right_gap.start, 15 * gst.SECOND)
self.failUnlessEqual(right_gap.duration, 5 * gst.SECOND)
left_gap, right_gap = Gap.findAroundObject(timeline_object2)
self.failUnlessEqual(left_gap.left_object, timeline_object1)
self.failUnlessEqual(left_gap.right_object, timeline_object2)
self.failUnlessEqual(left_gap.start, 15 * gst.SECOND)
self.failUnlessEqual(left_gap.duration, 5 * gst.SECOND)
self.failUnlessEqual(right_gap.left_object, timeline_object2)
self.failUnlessEqual(right_gap.right_object, None)
self.failUnlessEqual(right_gap.start, 30 * gst.SECOND)
self.failUnlessEqual(right_gap.duration, infinity)
# make the objects overlap
timeline_object2.start = 10 * gst.SECOND
left_gap, right_gap = Gap.findAroundObject(timeline_object1)
self.failUnlessEqual(right_gap.left_object, timeline_object1)
self.failUnlessEqual(right_gap.right_object, timeline_object2)
self.failUnlessEqual(right_gap.start, 15 * gst.SECOND)
self.failUnlessEqual(right_gap.duration, -5 * gst.SECOND)
def _updateDefaultSourcesUnchecked(self):
for source in self.default_sources:
self.debug("removing default source %s", self._sourceDebug(source))
self._shutdownDefaultSource(source)
self.composition.remove(source)
source.set_state(gst.STATE_NULL)
gaps = Gap.findAllGaps(self.track_objects)
self.default_sources = []
for gap in gaps:
source = self._getDefaultTrackObjectForStream(self.stream)
gnl_object = source.gnl_object
gnl_object.props.start = gap.start
gnl_object.props.duration = gap.initial_duration
self.debug("adding default source %s",
self._sourceDebug(source.gnl_object))
self.composition.add(gnl_object)
self.default_sources.append(gnl_object)
def _updateDefaultSourcesUnchecked(self):
for source in self.default_sources:
self.debug("removing default source %s", self._sourceDebug(source))
self._shutdownDefaultSource(source)
self.composition.remove(source)
source.set_state(gst.STATE_NULL)
gaps = Gap.findAllGaps(self.track_objects)
self.default_sources = []
for gap in gaps:
source = self._getDefaultTrackObjectForStream(self.stream)
gnl_object = source.gnl_object
gnl_object.props.start = gap.start
gnl_object.props.duration = gap.initial_duration
self.debug("adding default source %s",
self._sourceDebug(source.gnl_object))
self.composition.add(gnl_object)
self.default_sources.append(gnl_object)
def testFindAllGaps(self):
simple = (
(3 * gst.SECOND, 1 * gst.SECOND),
(1 * gst.SECOND, 1 * gst.SECOND)
)
objs = []
for start, duration in simple:
obj = self.makeTimelineObject()
obj.start = start
obj.duration = duration
objs.append(obj)
result = [(g.start, g.initial_duration) for g in
Gap.findAllGaps(objs)]
self.assertEquals(result, [
(0 * gst.SECOND, 1 * gst.SECOND),
(2 * gst.SECOND, 1 * gst.SECOND),
])
complex = [
(1 * gst.SECOND, 2 * gst.SECOND),
(6 * gst.SECOND, 2 * gst.SECOND),
(10 * gst.SECOND, 2 * gst.SECOND),
(8 * gst.SECOND, 2 * gst.SECOND),
(14 * gst.SECOND, 1 * gst.SECOND),
(4 * gst.SECOND, 1 * gst.SECOND),
]
objs = []
for start, duration in complex:
obj = self.makeTimelineObject()
obj.start = start
obj.duration = duration
objs.append(obj)
result = [(g.start, g.initial_duration) for g in
Gap.findAllGaps(objs)]
self.assertEquals(result, [
(0 * gst.SECOND, 1 * gst.SECOND),
(3 * gst.SECOND, 1 * gst.SECOND),
(5 * gst.SECOND, 1 * gst.SECOND),
(12 * gst.SECOND, 2 * gst.SECOND),
])
complex.append((2 * gst.SECOND, 5 * gst.SECOND))
objs = []
for start, duration in complex:
obj = self.makeTimelineObject()
obj.start = start
obj.duration = duration
objs.append(obj)
result = [(g.start, g.initial_duration) for g in
Gap.findAllGaps(objs)]
self.assertEquals(result, [
(0 * gst.SECOND, 1 * gst.SECOND),
(12 * gst.SECOND, 2 * gst.SECOND),
])