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# -*- Mode: Python -*-
# vi:si:et:sw=4:sts=4:ts=4
#
# Copyright (C) 2025 Netflix Inc.
#
# This library 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 library 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 library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
import overrides_hack
overrides_hack
from common import TestCase
import gi
gi.require_version("Gst", "1.0")
gi.require_version("GstApp", "1.0")
from gi.repository import Gst
from gi.repository import GstApp
Gst.init(None)
class TestAppSink(TestCase):
def test_appsink_object(self):
# Create an appsink
appsink = Gst.ElementFactory.make("appsink", None)
self.assertIsNotNone(appsink)
self.assertTrue(isinstance(appsink, GstApp.AppSink))
appsink.set_state(Gst.State.PLAYING)
# Send an event to the appsink
pad = appsink.get_static_pad("sink")
caps = Gst.Caps("audio/x-raw")
pad.send_event(Gst.Event.new_caps(caps))
# Send a buffer to the appsink
pad.chain(Gst.Buffer.new_wrapped([42]))
# 1st object pulled must be the event
event = appsink.pull_object()
self.assertTrue(isinstance(event, Gst.Event))
self.assertTrue(caps.is_equal(event.parse_caps()))
# 2nd object pulled must be the buffer
sample = appsink.pull_object()
self.assertTrue(isinstance(sample, Gst.Sample))
buf = sample.get_buffer()
with buf.map(Gst.MapFlags.READ) as info:
self.assertEqual(info.data[0], 42)
appsink.set_state(Gst.State.NULL)
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