gstreamer/tests/check/python/common.py

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# -*- coding: utf-8 -*-
#
# Copyright (c) 2016 Alexandru Băluț <alexandru.balut@gmail.com>
#
# 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 gi.repository import GES
from gi.repository import GLib
import tempfile
def create_main_loop():
"""Creates a MainLoop with a timeout."""
mainloop = GLib.MainLoop()
timed_out = False
def quit_cb(unused):
nonlocal timed_out
timed_out = True
mainloop.quit()
def run(timeout_seconds=5):
source = GLib.timeout_source_new_seconds(timeout_seconds)
source.set_callback(quit_cb)
source.attach()
GLib.MainLoop.run(mainloop)
source.destroy()
if timed_out:
raise Exception("Timed out after %s seconds" % timeout_seconds)
mainloop.run = run
return mainloop
def create_project(with_group=False, saved=False):
"""Creates a project with two clips in a group."""
project = GES.Project()
timeline = project.extract()
layer = timeline.append_layer()
if with_group:
clip1 = GES.TitleClip()
clip1.set_start(0)
clip1.set_duration(10)
layer.add_clip(clip1)
clip2 = GES.TitleClip()
clip2.set_start(100)
clip2.set_duration(10)
layer.add_clip(clip2)
group = GES.Container.group([clip1, clip2])
if saved:
uri = "file://%s" % tempfile.NamedTemporaryFile(suffix=".xges").name
project.save(timeline, uri, None, overwrite=True)
return timeline