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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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315 lines
14 KiB
Python
315 lines
14 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Copyright (c) 2016 Alexandru Băluț <alexandru.balut@gmail.com>
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this program; if not, write to the
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# Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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# Boston, MA 02110-1301, USA.
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from . import overrides_hack
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import gi
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gi.require_version("Gst", "1.0")
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gi.require_version("GES", "1.0")
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from gi.repository import Gst # noqa
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from gi.repository import GES # noqa
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import unittest # noqa
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from unittest import mock
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from . import common # noqa
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Gst.init(None)
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GES.init()
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class TestTimeline(unittest.TestCase):
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def test_signals_not_emitted_when_loading(self):
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mainloop = common.create_main_loop()
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timeline = common.create_project(with_group=True, saved=True)
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# Reload the project, check the group.
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project = GES.Project.new(uri=timeline.get_asset().props.uri)
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loaded_called = False
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def loaded(unused_project, unused_timeline):
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nonlocal loaded_called
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loaded_called = True
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mainloop.quit()
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project.connect("loaded", loaded)
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timeline = project.extract()
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signals = ["layer-added", "group-added", "track-added"]
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handle = mock.Mock()
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for signal in signals:
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timeline.connect(signal, handle)
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mainloop.run()
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self.assertTrue(loaded_called)
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handle.assert_not_called()
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class TestSplitting(common.GESSimpleTimelineTest):
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def setUp(self):
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self.track_types = [GES.TrackType.AUDIO]
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super(TestSplitting, self).setUp()
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def test_spliting_with_auto_transition_on_the_left(self):
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self.timeline.props.auto_transition = True
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clip1 = self.add_clip(0, 0, 100)
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clip2 = self.add_clip(50, 0, 100)
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self.assertTimelineTopology([
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[ # Unique layer
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(GES.TestClip, 0, 100),
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(GES.TransitionClip, 50, 50),
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(GES.TestClip, 50, 100)
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]
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])
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clip1.split(25)
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self.assertTimelineTopology([
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[ # Unique layer
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(GES.TestClip, 0, 25),
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(GES.TestClip, 25, 75),
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(GES.TransitionClip, 50, 50),
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(GES.TestClip, 50, 100),
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]
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])
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clip2.split(125)
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self.assertTimelineTopology([
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[ # Unique layer
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(GES.TestClip, 0, 25),
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(GES.TestClip, 25, 75),
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(GES.TransitionClip, 50, 50),
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(GES.TestClip, 50, 75),
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(GES.TestClip, 125, 25),
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]
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])
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class TestEditing(common.GESSimpleTimelineTest):
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def test_transition_disappears_when_moving_to_another_layer(self):
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self.timeline.props.auto_transition = True
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unused_clip1 = self.add_clip(0, 0, 100)
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clip2 = self.add_clip(50, 0, 100)
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self.assertEqual(len(self.layer.get_clips()), 4)
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layer2 = self.timeline.append_layer()
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clip2.edit([], layer2.get_priority(), GES.EditMode.EDIT_NORMAL,
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GES.Edge.EDGE_NONE, clip2.props.start)
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self.assertEqual(len(self.layer.get_clips()), 1)
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self.assertEqual(len(layer2.get_clips()), 1)
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def test_transition_moves_when_rippling_to_another_layer(self):
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self.timeline.props.auto_transition = True
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clip1 = self.add_clip(0, 0, 100)
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clip2 = self.add_clip(50, 0, 100)
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all_clips = self.layer.get_clips()
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self.assertEqual(len(all_clips), 4)
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layer2 = self.timeline.append_layer()
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clip1.edit([], layer2.get_priority(), GES.EditMode.EDIT_RIPPLE,
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GES.Edge.EDGE_NONE, clip1.props.start)
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self.assertEqual(self.layer.get_clips(), [])
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self.assertEqual(set(layer2.get_clips()), set(all_clips))
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def test_transition_rippling_after_next_clip_stays(self):
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self.timeline.props.auto_transition = True
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clip1 = self.add_clip(0, 0, 100)
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clip2 = self.add_clip(50, 0, 100)
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all_clips = self.layer.get_clips()
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self.assertEqual(len(all_clips), 4)
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clip1.edit([], self.layer.get_priority(), GES.EditMode.EDIT_RIPPLE,
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GES.Edge.EDGE_NONE, clip2.props.start + 1)
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self.assertEqual(set(self.layer.get_clips()), set(all_clips))
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def test_transition_rippling_over_does_not_create_another_transition(self):
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self.timeline.props.auto_transition = True
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clip1 = self.add_clip(0, 0, 17 * Gst.SECOND)
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clip2 = clip1.split(7.0 * Gst.SECOND)
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# Make a transition between the two clips
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clip1.edit([], self.layer.get_priority(),
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GES.EditMode.EDIT_NORMAL, GES.Edge.EDGE_NONE, 4.5 * Gst.SECOND)
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# Rippl clip1 and check that transitions ar always the sames
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all_clips = self.layer.get_clips()
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self.assertEqual(len(all_clips), 4)
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clip1.edit([], self.layer.get_priority(), GES.EditMode.EDIT_RIPPLE,
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GES.Edge.EDGE_NONE, 41.5 * Gst.SECOND)
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self.assertEqual(len(self.layer.get_clips()), 4)
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clip1.edit([], self.layer.get_priority(),
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GES.EditMode.EDIT_RIPPLE, GES.Edge.EDGE_NONE, 35 * Gst.SECOND)
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self.assertEqual(len(self.layer.get_clips()), 4)
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class TestSnapping(common.GESSimpleTimelineTest):
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def test_snapping(self):
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self.timeline.props.auto_transition = True
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self.timeline.set_snapping_distance(1)
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clip1 = self.add_clip(0, 0, 100)
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# Split clip1.
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split_position = 50
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clip2 = clip1.split(split_position)
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self.assertEqual(len(self.layer.get_clips()), 2)
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self.assertEqual(clip1.props.duration, split_position)
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self.assertEqual(clip2.props.start, split_position)
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# Make sure snapping prevents clip2 to be moved to the left.
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clip2.edit([], self.layer.get_priority(), GES.EditMode.EDIT_NORMAL, GES.Edge.EDGE_NONE,
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clip2.props.start - 1)
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self.assertEqual(clip2.props.start, split_position)
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def test_no_snapping_on_split(self):
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self.timeline.props.auto_transition = True
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self.timeline.set_snapping_distance(1)
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not_called = []
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def snapping_started_cb(timeline, element1, element2, dist, self):
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Gst.error("Here %s %s" % (Gst.TIME_ARGS(element1.props.start + element1.props.duration),
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Gst.TIME_ARGS(element2.props.start)))
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not_called.append("No snapping should happen")
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self.timeline.connect('snapping-started', snapping_started_cb, self)
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clip1 = self.add_clip(0, 0, 100)
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# Split clip1.
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split_position = 50
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clip2 = clip1.split(split_position)
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self.assertEqual(not_called, [])
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self.assertEqual(len(self.layer.get_clips()), 2)
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self.assertEqual(clip1.props.duration, split_position)
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self.assertEqual(clip2.props.start, split_position)
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class TestTransitions(common.GESSimpleTimelineTest):
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def test_emission_order_for_transition_clip_added_signal(self):
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self.timeline.props.auto_transition = True
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unused_clip1 = self.add_clip(0, 0, 100)
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clip2 = self.add_clip(100, 0, 100)
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# Connect to signals to track in which order they are emitted.
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signals = []
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def clip_added_cb(layer, clip):
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self.assertIsInstance(clip, GES.TransitionClip)
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signals.append("clip-added")
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self.layer.connect("clip-added", clip_added_cb)
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def property_changed_cb(clip, pspec):
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self.assertEqual(clip, clip2)
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self.assertEqual(pspec.name, "start")
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signals.append("notify::start")
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clip2.connect("notify::start", property_changed_cb)
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# Move clip2 to create a transition with clip1.
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clip2.edit([], self.layer.get_priority(),
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GES.EditMode.EDIT_NORMAL, GES.Edge.EDGE_NONE, 50)
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# The clip-added signal is emitted twice, once for the video
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# transition and once for the audio transition.
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self.assertEqual(
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signals, ["notify::start", "clip-added", "clip-added"])
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def create_xges(self):
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uri = common.get_asset_uri("png.png")
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return """<ges version='0.4'>
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<project properties='properties;' metadatas='metadatas, author=(string)"", render-scale=(double)100, format-version=(string)0.4;'>
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<ressources>
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<asset id='GESTitleClip' extractable-type-name='GESTitleClip' properties='properties;' metadatas='metadatas;' />
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<asset id='bar-wipe-lr' extractable-type-name='GESTransitionClip' properties='properties;' metadatas='metadatas, description=(string)GES_VIDEO_STANDARD_TRANSITION_TYPE_BAR_WIPE_LR;' />
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<asset id='%(uri)s' extractable-type-name='GESUriClip' properties='properties, supported-formats=(int)4, duration=(guint64)18446744073709551615;' metadatas='metadatas, video-codec=(string)PNG, file-size=(guint64)73294;' />
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<asset id='crossfade' extractable-type-name='GESTransitionClip' properties='properties;' metadatas='metadatas, description=(string)GES_VIDEO_STANDARD_TRANSITION_TYPE_CROSSFADE;' />
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</ressources>
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<timeline properties='properties, auto-transition=(boolean)true, snapping-distance=(guint64)31710871;' metadatas='metadatas, duration=(guint64)13929667032;'>
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<track caps='video/x-raw(ANY)' track-type='4' track-id='0' properties='properties, async-handling=(boolean)false, message-forward=(boolean)true, caps=(string)"video/x-raw\(ANY\)", restriction-caps=(string)"video/x-raw\,\ width\=\(int\)1920\,\ height\=\(int\)1080\,\ framerate\=\(fraction\)30/1", mixing=(boolean)true;' metadatas='metadatas;'/>
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<track caps='audio/x-raw(ANY)' track-type='2' track-id='1' properties='properties, async-handling=(boolean)false, message-forward=(boolean)true, caps=(string)"audio/x-raw\(ANY\)", restriction-caps=(string)"audio/x-raw\,\ format\=\(string\)S32LE\,\ channels\=\(int\)2\,\ rate\=\(int\)44100\,\ layout\=\(string\)interleaved", mixing=(boolean)true;' metadatas='metadatas;'/>
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<layer priority='0' properties='properties, auto-transition=(boolean)true;' metadatas='metadatas, volume=(float)1;'>
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<clip id='0' asset-id='%(uri)s' type-name='GESUriClip' layer-priority='0' track-types='6' start='0' duration='4558919302' inpoint='0' rate='0' properties='properties, name=(string)uriclip25263, mute=(boolean)false, is-image=(boolean)false;' />
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<clip id='1' asset-id='bar-wipe-lr' type-name='GESTransitionClip' layer-priority='0' track-types='4' start='3225722559' duration='1333196743' inpoint='0' rate='0' properties='properties, name=(string)transitionclip84;' children-properties='properties, GESVideoTransition::border=(uint)0, GESVideoTransition::invert=(boolean)false;'/>
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<clip id='2' asset-id='%(uri)s' type-name='GESUriClip' layer-priority='0' track-types='6' start='3225722559' duration='3479110239' inpoint='4558919302' rate='0' properties='properties, name=(string)uriclip25265, mute=(boolean)false, is-image=(boolean)false;' />
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</layer>
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<layer priority='1' properties='properties, auto-transition=(boolean)true;' metadatas='metadatas, volume=(float)1;'>
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<clip id='3' asset-id='%(uri)s' type-name='GESUriClip' layer-priority='1' track-types='4' start='8566459322' duration='1684610449' inpoint='0' rate='0' properties='properties, name=(string)uriclip25266, mute=(boolean)false, is-image=(boolean)true;' />
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<clip id='4' asset-id='GESTitleClip' type-name='GESTitleClip' layer-priority='1' track-types='6' start='8566459322' duration='4500940746' inpoint='0' rate='0' properties='properties, name=(string)titleclip69;' />
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<clip id='5' asset-id='%(uri)s' type-name='GESUriClip' layer-priority='1' track-types='4' start='9566459322' duration='4363207710' inpoint='0' rate='0' properties='properties, name=(string)uriclip25275, mute=(boolean)false, is-image=(boolean)true;' />
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</layer>
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<groups>
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</groups>
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</timeline>
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</project>
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</ges>""" % {"uri": uri}
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def test_auto_transition(self):
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xges = self.create_xges()
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with common.created_project_file(xges) as proj_uri:
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project = GES.Project.new(proj_uri)
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timeline = project.extract()
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mainloop = common.create_main_loop()
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mainloop.run(until_empty=True)
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layers = timeline.get_layers()
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self.assertEqual(len(layers), 2)
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self.assertTrue(layers[0].props.auto_transition)
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self.assertTrue(layers[1].props.auto_transition)
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def test_transition_type(self):
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xges = self.create_xges()
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with common.created_project_file(xges) as proj_uri:
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project = GES.Project.new(proj_uri)
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timeline = project.extract()
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mainloop = common.create_main_loop()
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mainloop.run(until_empty=True)
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layers = timeline.get_layers()
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self.assertEqual(len(layers), 2)
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clips = layers[0].get_clips()
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clip1 = clips[0]
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clip2 = clips[-1]
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# There should be a transition because clip1 intersects clip2
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self.assertLess(clip1.props.start, clip2.props.start)
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self.assertLess(clip2.props.start, clip1.props.start + clip1.props.duration)
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self.assertLess(clip1.props.start + clip1.props.duration, clip2.props.start + clip2.props.duration)
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self.assertEqual(len(clips), 3)
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# Even though 3 clips overlap 1 transition will be created
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clips = layers[1].get_clips()
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self.assertEqual(len(clips), 4)
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class TestPriorities(common.GESSimpleTimelineTest):
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def test_clips_priorities(self):
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clip = self.add_clip(0, 0, 100)
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clip1 = self.add_clip(100, 0, 100)
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self.timeline.commit()
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self.assertLess(clip.props.priority, clip1.props.priority)
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clip.props.start = 101
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self.timeline.commit()
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self.assertGreater(clip.props.priority, clip1.props.priority)
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