projects / mediagoblin.git / blame
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|---|---|---|
| c41705bf BB |
1 | # GNU MediaGoblin -- federated, autonomous media hosting |
| 2 | # Copyright (C) 2013 MediaGoblin contributors. See AUTHORS. | |
| 3 | # | |
| 4 | # This program is free software: you can redistribute it and/or modify | |
| 5 | # it under the terms of the GNU Affero General Public License as published by | |
| 6 | # the Free Software Foundation, either version 3 of the License, or | |
| 7 | # (at your option) any later version. | |
| 8 | # | |
| 9 | # This program is distributed in the hope that it will be useful, | |
| 10 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 | # GNU Affero General Public License for more details. | |
| 13 | # | |
| 14 | # You should have received a copy of the GNU Affero General Public License | |
| 15 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 16 | ||
| 17 | from contextlib import contextmanager | |
| 18 | import tempfile | |
| 19 | ||
| 20 | import gi | |
| 21 | gi.require_version('Gst', '1.0') | |
| 22 | from gi.repository import Gst | |
| 23 | Gst.init(None) | |
| 24 | ||
| 25 | @contextmanager | |
| 26 | def create_av(make_video=False, make_audio=False): | |
| 27 | 'creates audio/video in `path`, throws AssertionError on any error' | |
| 28 | media = tempfile.NamedTemporaryFile(suffix='.ogg') | |
| 29 | pipeline = Gst.Pipeline() | |
| 30 | mux = Gst.ElementFactory.make('oggmux', 'mux') | |
| 31 | pipeline.add(mux) | |
| 32 | if make_video: | |
| 33 | video_src = Gst.ElementFactory.make('videotestsrc', 'video_src') | |
| 34 | video_src.set_property('num-buffers', 20) | |
| 35 | video_enc = Gst.ElementFactory.make('theoraenc', 'video_enc') | |
| 36 | pipeline.add(video_src) | |
| 37 | pipeline.add(video_enc) | |
| 38 | assert video_src.link(video_enc) | |
| 39 | assert video_enc.link(mux) | |
| 40 | if make_audio: | |
| 41 | audio_src = Gst.ElementFactory.make('audiotestsrc', 'audio_src') | |
| 42 | audio_src.set_property('num-buffers', 20) | |
| 43 | audio_enc = Gst.ElementFactory.make('vorbisenc', 'audio_enc') | |
| 44 | pipeline.add(audio_src) | |
| 45 | pipeline.add(audio_enc) | |
| 46 | assert audio_src.link(audio_enc) | |
| 47 | assert audio_enc.link(mux) | |
| 48 | sink = Gst.ElementFactory.make('filesink', 'sink') | |
| 49 | sink.set_property('location', media.name) | |
| 50 | pipeline.add(sink) | |
| 51 | mux.link(sink) | |
| 52 | pipeline.set_state(Gst.State.PLAYING) | |
| 53 | state = pipeline.get_state(Gst.SECOND) | |
| 54 | assert state[0] == Gst.StateChangeReturn.SUCCESS | |
| 55 | bus = pipeline.get_bus() | |
| 56 | message = bus.timed_pop_filtered( | |
| 57 | Gst.SECOND, # one second should be more than enough for 50-buf vid | |
| 58 | Gst.MessageType.ERROR | Gst.MessageType.EOS) | |
| 59 | assert message.type == Gst.MessageType.EOS | |
| 60 | pipeline.set_state(Gst.State.NULL) | |
| 61 | yield media.name |