62 lines
2.5 KiB
Python
62 lines
2.5 KiB
Python
# GNU MediaGoblin -- federated, autonomous media hosting
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# Copyright (C) 2013 MediaGoblin contributors. See AUTHORS.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (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
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from contextlib import contextmanager
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import tempfile
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import gi
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gi.require_version('Gst', '1.0')
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from gi.repository import Gst
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Gst.init(None)
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@contextmanager
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def create_av(make_video=False, make_audio=False):
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'creates audio/video in `path`, throws AssertionError on any error'
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media = tempfile.NamedTemporaryFile(suffix='.ogg')
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pipeline = Gst.Pipeline()
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mux = Gst.ElementFactory.make('oggmux', 'mux')
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pipeline.add(mux)
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if make_video:
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video_src = Gst.ElementFactory.make('videotestsrc', 'video_src')
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video_src.set_property('num-buffers', 20)
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video_enc = Gst.ElementFactory.make('theoraenc', 'video_enc')
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pipeline.add(video_src)
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pipeline.add(video_enc)
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assert video_src.link(video_enc)
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assert video_enc.link(mux)
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if make_audio:
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audio_src = Gst.ElementFactory.make('audiotestsrc', 'audio_src')
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audio_src.set_property('num-buffers', 20)
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audio_enc = Gst.ElementFactory.make('vorbisenc', 'audio_enc')
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pipeline.add(audio_src)
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pipeline.add(audio_enc)
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assert audio_src.link(audio_enc)
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assert audio_enc.link(mux)
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sink = Gst.ElementFactory.make('filesink', 'sink')
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sink.set_property('location', media.name)
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pipeline.add(sink)
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mux.link(sink)
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pipeline.set_state(Gst.State.PLAYING)
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state = pipeline.get_state(Gst.SECOND)
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assert state[0] == Gst.StateChangeReturn.SUCCESS
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bus = pipeline.get_bus()
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message = bus.timed_pop_filtered(
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Gst.SECOND, # one second should be more than enough for 50-buf vid
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Gst.MessageType.ERROR | Gst.MessageType.EOS)
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assert message.type == Gst.MessageType.EOS
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pipeline.set_state(Gst.State.NULL)
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yield media.name
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