Mercurial > libervia-backend
annotate sat/tools/video.py @ 3798:b5013bada4b6
core (memory/sqla): generic `get` + `session_add` in `delete`:
new generic `get` allow to retrieve an ORM object with given column and value, and
optionally join load attributes.
In `delete`, it is now possible to specify instances to add to session, this allow, to
update them in the same transaction. It is also now possible to specify a list of object
to delete them all in the same transaction.
rel 367
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Fri, 17 Jun 2022 14:15:23 +0200 |
| parents | 7550ae9cfbac |
| children |
| rev | line source |
|---|---|
| 3347 | 1 #!/usr/bin/env python3 |
| 2 | |
|
3480
7550ae9cfbac
Renamed the project from "Salut à Toi" to "Libervia":
Goffi <goffi@goffi.org>
parents:
3479
diff
changeset
|
3 # Libervia: an XMPP client |
| 3479 | 4 # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org) |
| 3347 | 5 |
| 6 # This program is free software: you can redistribute it and/or modify | |
| 7 # it under the terms of the GNU Affero General Public License as published by | |
| 8 # the Free Software Foundation, either version 3 of the License, or | |
| 9 # (at your option) any later version. | |
| 10 | |
| 11 # This program is distributed in the hope that it will be useful, | |
| 12 # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 # GNU Affero General Public License for more details. | |
| 15 | |
| 16 # You should have received a copy of the GNU Affero General Public License | |
| 17 # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 18 | |
| 19 """Methods to manipulate videos""" | |
| 20 from typing import Union | |
| 21 from pathlib import Path | |
| 22 from twisted.python.procutils import which | |
| 23 from sat.core.i18n import _ | |
| 24 from sat.core import exceptions | |
| 25 from sat.core.log import getLogger | |
| 26 from .common import async_process | |
| 27 | |
| 28 | |
| 29 log = getLogger(__name__) | |
| 30 | |
| 31 | |
| 32 | |
| 33 | |
| 34 | |
| 35 try: | |
| 36 ffmpeg_path = which('ffmpeg')[0] | |
| 37 except IndexError: | |
| 38 log.warning(_( | |
| 39 "ffmpeg executable not found, video thumbnails won't be available")) | |
| 40 ffmpeg_path = None | |
| 41 | |
| 42 | |
| 43 async def get_thumbnail(video_path: Union[Path, str], dest_path: Path) -> Path: | |
| 44 """Extract thumbnail from video | |
| 45 | |
| 46 @param video_path: source of the video | |
| 47 @param dest_path: path where the file must be saved | |
| 48 @return: path of the generated thumbnail | |
| 49 image is created in temporary directory but is not delete automatically | |
| 50 it should be deleted after use. | |
| 51 Image will be in JPEG format. | |
| 52 @raise exceptions.NotFound: ffmpeg is missing | |
| 53 """ | |
| 54 if ffmpeg_path is None: | |
| 55 raise exceptions.NotFound( | |
| 56 _("ffmpeg executable is not available, can't generate video thumbnail")) | |
| 57 | |
| 58 await async_process.run( | |
| 59 ffmpeg_path, "-i", str(video_path), "-ss", "10", "-frames:v", "1", str(dest_path) | |
| 60 ) |