Mercurial > libervia-backend
view sat/tools/video.py @ 3540:aa58451b77ba
tools (utils): new `ensure_deferred` decorator
author | Goffi <goffi@goffi.org> |
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date | Thu, 03 Jun 2021 15:21:43 +0200 |
parents | 7550ae9cfbac |
children |
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#!/usr/bin/env python3 # Libervia: an XMPP client # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org) # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU Affero General Public License as published by # the Free Software Foundation, either version 3 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 Affero General Public License for more details. # You should have received a copy of the GNU Affero General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. """Methods to manipulate videos""" from typing import Union from pathlib import Path from twisted.python.procutils import which from sat.core.i18n import _ from sat.core import exceptions from sat.core.log import getLogger from .common import async_process log = getLogger(__name__) try: ffmpeg_path = which('ffmpeg')[0] except IndexError: log.warning(_( "ffmpeg executable not found, video thumbnails won't be available")) ffmpeg_path = None async def get_thumbnail(video_path: Union[Path, str], dest_path: Path) -> Path: """Extract thumbnail from video @param video_path: source of the video @param dest_path: path where the file must be saved @return: path of the generated thumbnail image is created in temporary directory but is not delete automatically it should be deleted after use. Image will be in JPEG format. @raise exceptions.NotFound: ffmpeg is missing """ if ffmpeg_path is None: raise exceptions.NotFound( _("ffmpeg executable is not available, can't generate video thumbnail")) await async_process.run( ffmpeg_path, "-i", str(video_path), "-ss", "10", "-frames:v", "1", str(dest_path) )