gstreamer/tests/check/python/test_group.py

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# -*- coding: utf-8 -*-
#
# Copyright (c) 2015, Thibault Saunier
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this program; if not, write to the
# Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
# Boston, MA 02110-1301, USA.
from . import overrides_hack
import gi
gi.require_version("Gst", "1.0")
gi.require_version("GES", "1.0")
from gi.repository import Gst # noqa
from gi.repository import GES # noqa
from . import common # noqa
import unittest # noqa
from unittest import mock
Gst.init(None)
GES.init()
class TestGroup(common.GESSimpleTimelineTest):
def testCopyGroup(self):
clip1 = GES.TestClip.new()
clip1.props.duration = 10
self.layer.add_clip(clip1)
self.assertEqual(len(clip1.get_children(False)), 2)
group = GES.Group.new()
self.assertTrue(group.add(clip1))
self.assertEqual(len(group.get_children(False)), 1)
group_copy = group.copy(True)
self.assertEqual(len(group_copy.get_children(False)), 0)
self.assertTrue(group_copy.paste(10))
clips = self.layer.get_clips()
self.assertEqual(len(clips), 2)
self.assertEqual(clips[1].props.start, 10)
clips[1].edit([], 1, GES.EditMode.EDIT_NORMAL, GES.Edge.EDGE_NONE, 10)
clips = self.layer.get_clips()
self.assertEqual(len(clips), 1)
def testPasteChangedGroup(self):
clip1 = GES.TestClip.new()
clip1.props.duration = 10
clip2 = GES.TestClip.new()
clip2.props.start = 20
clip2.props.duration = 10
self.layer.add_clip(clip1)
self.layer.add_clip(clip2)
self.assertEqual(len(clip1.get_children(False)), 2)
group = GES.Group.new()
self.assertTrue(group.add(clip1))
self.assertEqual(len(group.get_children(False)), 1)
group_copy = group.copy(True)
self.assertEqual(len(group_copy.get_children(False)), 0)
self.assertTrue(group.add(clip2))
self.assertEqual(len(group.get_children(False)), 2)
self.assertEqual(len(group_copy.get_children(False)), 0)
self.assertTrue(group_copy.paste(10))
clips = self.layer.get_clips()
self.assertEqual(len(clips), 3)
self.assertEqual(clips[1].props.start, 10)
def testPasteChangedGroup(self):
clip1 = GES.TestClip.new()
clip1.props.duration = 10
clip2 = GES.TestClip.new()
clip2.props.start = 20
clip2.props.duration = 10
self.layer.add_clip(clip1)
self.layer.add_clip(clip2)
self.assertEqual(len(clip1.get_children(False)), 2)
group = GES.Group.new()
self.assertTrue(group.add(clip1))
self.assertEqual(len(group.get_children(False)), 1)
group_copy = group.copy(True)
self.assertEqual(len(group_copy.get_children(False)), 0)
self.assertTrue(group.add(clip2))
self.assertEqual(len(group.get_children(False)), 2)
self.assertEqual(len(group_copy.get_children(False)), 0)
self.assertTrue(group_copy.paste(10))
clips = self.layer.get_clips()
self.assertEqual(len(clips), 3)
self.assertEqual(clips[1].props.start, 10)
def test_move_clips_between_layers_with_auto_transition(self):
self.timeline.props.auto_transition = True
layer2 = self.timeline.append_layer()
clip1 = GES.TestClip.new()
clip1.props.start = 0
clip1.props.duration = 30
clip2 = GES.TestClip.new()
clip2.props.start = 20
clip2.props.duration = 20
self.layer.add_clip(clip1)
self.layer.add_clip(clip2)
clips = self.layer.get_clips()
self.assertEqual(len(clips), 4)
self.assertEqual(layer2.get_clips(), [])
group = GES.Container.group(clips)
self.assertIsNotNone(group)
self.assertTrue(clip1.edit(
self.timeline.get_layers(), 1, GES.EditMode.EDIT_NORMAL, GES.Edge.EDGE_NONE, 0))
self.assertEqual(self.layer.get_clips(), [])
clips = layer2.get_clips()
self.assertEqual(len(clips), 4)
def test_remove_emits_signal(self):
clip1 = GES.TestClip.new()
self.layer.add_clip(clip1)
group = GES.Group.new()
child_removed_cb = mock.Mock()
group.connect("child-removed", child_removed_cb)
group.add(clip1)
group.remove(clip1)
child_removed_cb.assert_called_once_with(group, clip1)
group.add(clip1)
child_removed_cb.reset_mock()
group.ungroup(recursive=False)
child_removed_cb.assert_called_once_with(group, clip1)
def test_loaded_project_has_groups(self):
mainloop = common.create_main_loop()
timeline = common.create_project(with_group=True, saved=True)
layer, = timeline.get_layers()
group, = timeline.get_groups()
self.assertEqual(len(layer.get_clips()), 2)
for clip in layer.get_clips():
self.assertEqual(clip.get_parent(), group)
# Reload the project, check the group.
project = GES.Project.new(uri=timeline.get_asset().props.uri)
loaded_called = False
def loaded(unused_project, unused_timeline):
nonlocal loaded_called
loaded_called = True
mainloop.quit()
project.connect("loaded", loaded)
timeline = project.extract()
mainloop.run()
self.assertTrue(loaded_called)
layer, = timeline.get_layers()
group, = timeline.get_groups()
self.assertEqual(len(layer.get_clips()), 2)
for clip in layer.get_clips():
self.assertEqual(clip.get_parent(), group)
def test_moving_group_with_transition(self):
self.timeline.props.auto_transition = True
clip1 = GES.TestClip.new()
clip1.props.start = 0
clip1.props.duration = 30
clip2 = GES.TestClip.new()
clip2.props.start = 20
clip2.props.duration = 20
self.layer.add_clip(clip1)
self.layer.add_clip(clip2)
clips = self.layer.get_clips()
self.assertEqual(len(clips), 4)
video_transition = None
audio_transition = None
for clip in clips:
if isinstance(clip, GES.TransitionClip):
if isinstance(clip.get_children(False)[0], GES.VideoTransition):
video_transition = clip
else:
audio_transition = clip
self.assertIsNotNone(audio_transition)
self.assertIsNotNone(video_transition)
self.assertEqual(video_transition.props.start, 20)
self.assertEqual(video_transition.props.duration, 10)
self.assertEqual(audio_transition.props.start, 20)
self.assertEqual(audio_transition.props.duration, 10)
group = GES.Container.group(clips)
self.assertIsNotNone(group)
self.assertTrue(clip2.edit(
self.timeline.get_layers(), 0,
GES.EditMode.EDIT_NORMAL, GES.Edge.EDGE_NONE, 25))
clip2.props.start = 25
clips = self.layer.get_clips()
self.assertEqual(len(clips), 4)
self.assertEqual(clip1.props.start, 5)
self.assertEqual(clip1.props.duration, 30)
self.assertEqual(clip2.props.start, 25)
self.assertEqual(clip2.props.duration, 20)
self.assertEqual(video_transition.props.start, 25)
self.assertEqual(video_transition.props.duration, 10)
self.assertEqual(audio_transition.props.start, 25)
self.assertEqual(audio_transition.props.duration, 10)
def test_moving_group_snapping_from_the_middle(self):
self.track_types = [GES.TrackType.AUDIO]
super().setUp()
snapped_positions = []
def snapping_started_cb(timeline, first_element, second_element,
position, snapped_positions):
snapped_positions.append(position)
self.timeline.props.snapping_distance = 5
self.timeline.connect("snapping-started", snapping_started_cb,
snapped_positions)
for start in range(0, 20, 5):
clip = GES.TestClip.new()
clip.props.start = start
clip.props.duration = 5
self.layer.add_clip(clip)
clips = self.layer.get_clips()
self.assertEqual(len(clips), 4)
group = GES.Container.group(clips[1:3])
self.assertIsNotNone(group)
self.assertTimelineTopology([
[
(GES.TestClip, 0, 5),
(GES.TestClip, 5, 5),
(GES.TestClip, 10, 5),
(GES.TestClip, 15, 5),
],
], groups=[clips[1:3]])
self.assertEqual(clips[1].props.start, 5)
self.assertEqual(clips[2].props.start, 10)
clips[2].edit([], 0, GES.EditMode.EDIT_NORMAL, GES.Edge.EDGE_NONE, 11)
self.assertEqual(snapped_positions[0], 5)
self.assertTimelineTopology([
[
(GES.TestClip, 0, 5),
(GES.TestClip, 5, 5),
(GES.TestClip, 10, 5),
(GES.TestClip, 15, 5),
],
], groups=[clips[1:3]])
def test_rippling_with_group(self):
self.track_types = [GES.TrackType.AUDIO]
super().setUp()
for _ in range(4):
self.append_clip()
snapped_positions = []
def snapping_started_cb(timeline, first_element, second_element,
position, snapped_positions):
snapped_positions.append(position)
self.timeline.props.snapping_distance = 5
self.timeline.connect("snapping-started", snapping_started_cb,
snapped_positions)
clips = self.layer.get_clips()
self.assertEqual(len(clips), 4)
group_clips = clips[1:3]
GES.Container.group(group_clips)
self.assertTimelineTopology([
[
(GES.TestClip, 0, 10),
(GES.TestClip, 10, 10),
(GES.TestClip, 20, 10),
(GES.TestClip, 30, 10),
],
], groups=[group_clips])
self.assertFalse(clips[2].edit([], 0, GES.EditMode.EDIT_RIPPLE, GES.Edge.EDGE_NONE, 5))
self.assertTimelineTopology([
[
(GES.TestClip, 0, 10),
(GES.TestClip, 10, 10),
(GES.TestClip, 20, 10),
(GES.TestClip, 30, 10),
],
], groups=[group_clips])
# Negative start...
self.assertFalse(clips[2].edit([], 1, GES.EditMode.EDIT_RIPPLE, GES.Edge.EDGE_NONE, 1))
self.assertTimelineTopology([
[
(GES.TestClip, 0, 10),
(GES.TestClip, 10, 10),
(GES.TestClip, 20, 10),
(GES.TestClip, 30, 10),
],
], groups=[group_clips])
self.assertTrue(clips[2].edit([], 1, GES.EditMode.EDIT_RIPPLE, GES.Edge.EDGE_NONE, 20))
self.assertTimelineTopology([
[
(GES.TestClip, 0, 10),
],
[
(GES.TestClip, 10, 10),
(GES.TestClip, 20, 10),
(GES.TestClip, 30, 10),
],
], groups=[group_clips])
def test_group_priority(self):
self.track_types = [GES.TrackType.AUDIO]
self.setUp()
clip0 = self.append_clip()
clip1 = self.append_clip(1)
clip1.props.start = 20
group = GES.Group.new()
group.add(clip0)
group.add(clip1)
self.assertEqual(group.get_layer_priority(), 0)
self.assertTimelineTopology([
[
(GES.TestClip, 0, 10),
],
[
(GES.TestClip, 20, 10),
]
], groups=[(clip0, clip1)])
group.remove(clip0)
self.assertEqual(group.get_layer_priority(), 1)
clip1.edit(self.timeline.get_layers(), 2, GES.EditMode.EDIT_NORMAL, GES.Edge.EDGE_NONE, clip1.start)
self.assertTimelineTopology([
[
(GES.TestClip, 0, 10),
],
[ ],
[
(GES.TestClip, 20, 10),
]
], groups=[(clip1,)])
self.assertEqual(group.get_layer_priority(), 2)
self.assertTrue(clip1.edit(self.timeline.get_layers(), 0, GES.EditMode.EDIT_NORMAL, GES.Edge.EDGE_NONE, clip1.start))
self.assertTimelineTopology([
[
(GES.TestClip, 0, 10),
(GES.TestClip, 20, 10),
],
[ ],
[ ]
], groups=[(clip1,)])