gstreamer/tests/check/python/test_clip.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 os
import tempfile
import gi
gi.require_version("Gst", "1.0")
gi.require_version("GES", "1.0")
from gi.repository import Gst # noqa
Gst.init(None) # noqa
from gi.repository import GES # noqa
GES.init()
from . import common # noqa
import unittest # noqa
class TestCopyPaste(unittest.TestCase):
def setUp(self):
self.timeline = GES.Timeline.new_audio_video()
self.assertEqual(len(self.timeline.get_tracks()), 2)
self.layer = self.timeline.append_layer()
def testCopyClipRemoveAndPaste(self):
clip1 = GES.TestClip.new()
clip1.props.duration = 10
self.layer.add_clip(clip1)
self.assertEqual(len(clip1.get_children(False)), 2)
copy = clip1.copy(True)
self.assertEqual(len(self.layer.get_clips()), 1)
self.layer.remove_clip(clip1)
copy.paste(10)
self.assertEqual(len(self.layer.get_clips()), 1)
def testCopyPasteTitleClip(self):
clip1 = GES.TitleClip.new()
clip1.props.duration = 10
self.layer.add_clip(clip1)
self.assertEqual(len(clip1.get_children(False)), 1)
copy = clip1.copy(True)
self.assertEqual(len(self.layer.get_clips()), 1)
copy.paste(10)
self.assertEqual(len(self.layer.get_clips()), 2)
class TestTransitionClip(unittest.TestCase):
def test_serialize_invert(self):
timeline = GES.Timeline.new()
timeline.add_track(GES.VideoTrack.new())
layer = timeline.append_layer()
clip1 = GES.TransitionClip.new_for_nick("crossfade")
clip1.props.duration = Gst.SECOND
self.assertTrue(layer.add_clip(clip1))
vtransition, = clip1.children
vtransition.set_inverted(True)
self.assertEqual(vtransition.props.invert, True)
with tempfile.NamedTemporaryFile() as tmpxges:
uri = Gst.filename_to_uri(tmpxges.name)
timeline.save_to_uri(uri, None, True)
timeline = GES.Timeline.new_from_uri(uri)
project = timeline.get_asset()
mainloop = common.create_main_loop()
project.connect("loaded", lambda _, __: mainloop.quit())
mainloop.run()
self.assertIsNotNone(timeline)
layer, = timeline.get_layers()
clip, = layer.get_clips()
vtransition, = clip.children
self.assertEqual(vtransition.props.invert, True)
class TestTitleClip(unittest.TestCase):
def testSetColor(self):
timeline = GES.Timeline.new_audio_video()
clip = GES.TitleClip.new()
timeline.append_layer().add_clip(clip )
self.assertTrue(clip.set_child_property('color', 1))
self.assertTrue(clip.set_child_property('color', 4294967295))
def testGetPropertyNotInTrack(self):
title_clip = GES.TitleClip.new()
self.assertEqual(title_clip.props.text, "")
self.assertEqual(title_clip.props.font_desc, "Serif 36")
def test_split_effect(self):
timeline = GES.Timeline.new()
timeline.add_track(GES.VideoTrack.new())
layer = timeline.append_layer()
clip1 = GES.TitleClip.new()
clip1.props.duration = Gst.SECOND
self.assertTrue(layer.add_clip(clip1))
effect = GES.Effect.new("agingtv")
self.assertTrue(clip1.add(effect))
children1 = clip1.get_children(True)
self.assertNotEqual(children1[0].props.priority,
children1[1].props.priority)
clip2 = clip1.split(Gst.SECOND / 2)
children1 = clip1.get_children(True)
self.assertNotEqual(children1[0].props.priority,
children1[1].props.priority)
children2 = clip2.get_children(True)
self.assertNotEqual(children2[0].props.priority,
children2[1].props.priority)
class TestUriClip(common.GESSimpleTimelineTest):
def test_max_duration_on_extract(self):
uri = Gst.filename_to_uri(os.path.join(__file__, "../../ges/audio_video.ogg"))
asset = GES.UriClipAsset.request_sync(uri)
clip = asset.extract()
self.assertEqual(clip.props.max_duration, Gst.SECOND)
class TestTrackElements(common.GESSimpleTimelineTest):
def test_add_to_layer_with_effect_remove_add(self):
timeline = GES.Timeline.new_audio_video()
video_track, audio_track = timeline.get_tracks()
layer = timeline.append_layer()
test_clip = GES.TestClip()
self.assertEqual(test_clip.get_children(True), [])
self.assertTrue(layer.add_clip(test_clip))
audio_source = test_clip.find_track_element(None, GES.AudioSource)
video_source = test_clip.find_track_element(None, GES.VideoSource)
self.assertTrue(test_clip.set_child_property("volume", 0.0))
self.assertEqual(audio_source.get_child_property("volume")[1], 0.0)
effect = GES.Effect.new("agingtv")
test_clip.add(effect)
self.assertEqual(audio_source.props.track, audio_track)
self.assertEqual(video_source.props.track, video_track)
self.assertEqual(effect.props.track, video_track)
children = test_clip.get_children(True)
layer.remove_clip(test_clip)
self.assertEqual(test_clip.get_children(True), children)
self.assertEqual(audio_source.props.track, None)
self.assertEqual(video_source.props.track, None)
self.assertEqual(effect.props.track, None)
self.assertTrue(layer.add_clip(test_clip))
self.assertEqual(test_clip.get_children(True), children)
self.assertEqual(audio_source.props.track, audio_track)
self.assertEqual(video_source.props.track, video_track)
self.assertEqual(effect.props.track, video_track)
audio_source = test_clip.find_track_element(None, GES.AudioSource)
self.assertFalse(audio_source is None)
self.assertEqual(audio_source.get_child_property("volume")[1], 0.0)
self.assertEqual(audio_source.props.track, audio_track)
self.assertEqual(video_source.props.track, video_track)
self.assertEqual(effect.props.track, video_track)
def test_effects_priority(self):
timeline = GES.Timeline.new_audio_video()
layer = timeline.append_layer()
test_clip = GES.TestClip.new()
layer.add_clip(test_clip)
self.assert_effects(test_clip)
effect1 = GES.Effect.new("agingtv")
test_clip.add(effect1)
self.assert_effects(test_clip, effect1)
test_clip.set_top_effect_index(effect1, 1)
self.assert_effects(test_clip, effect1)
test_clip.set_top_effect_index(effect1, 10)
self.assert_effects(test_clip, effect1)
effect2 = GES.Effect.new("dicetv")
test_clip.add(effect2)
self.assert_effects(test_clip, effect1, effect2)
test_clip.remove(effect1)
self.assert_effects(test_clip, effect2)
def test_signal_order_when_removing_effect(self):
timeline = GES.Timeline.new_audio_video()
layer = timeline.append_layer()
test_clip = GES.TestClip.new()
layer.add_clip(test_clip)
self.assert_effects(test_clip)
effect1 = GES.Effect.new("agingtv")
test_clip.add(effect1)
effect2 = GES.Effect.new("dicetv")
test_clip.add(effect2)
self.assert_effects(test_clip, effect1, effect2)
mainloop = common.create_main_loop()
signals = []
def handler_cb(*args):
signals.append(args[-1])
test_clip.connect("child-removed", handler_cb, "child-removed")
effect2.connect("notify::priority", handler_cb, "notify::priority")
test_clip.remove(effect1)
test_clip.disconnect_by_func(handler_cb)
effect2.disconnect_by_func(handler_cb)
self.assert_effects(test_clip, effect2)
mainloop.run(until_empty=True)
self.assertEqual(signals, ["child-removed", "notify::priority"])
def test_moving_core_track_elements(self):
clip = self.append_clip()
clip1 = self.append_clip()
track_element = clip.find_track_element(None, GES.VideoSource)
self.assertTrue(clip.remove(track_element))
track_element1 = clip1.find_track_element(None, GES.VideoSource)
self.assertTrue(clip1.remove(track_element1))
self.assertFalse(clip1.add(track_element))
self.assertFalse(clip.add(track_element1))
self.assertTrue(clip.add(track_element))
self.assertTrue(clip1.add(track_element1))
def test_ungroup_regroup(self):
clip = self.append_clip()
clip1, clip2 = GES.Container.ungroup(clip, True)
self.assertEqual(clip, clip1)
clip2_child, = clip2.get_children(True)
self.assertTrue(clip2.remove(clip2_child))
self.assertTrue(self.layer.remove_clip(clip2))
self.assertTrue(clip1.add(clip2_child))