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1 #!/usr/bin/env python3 |
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2 |
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3 # SàT: an XMPP client |
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4 # Copyright (C) 2009-2020 Jérôme Poisson (goffi@goffi.org) |
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5 |
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6 # This program is free software: you can redistribute it and/or modify |
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7 # it under the terms of the GNU Affero General Public License as published by |
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8 # the Free Software Foundation, either version 3 of the License, or |
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9 # (at your option) any later version. |
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10 |
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11 # This program is distributed in the hope that it will be useful, |
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12 # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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14 # GNU Affero General Public License for more details. |
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15 |
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16 # You should have received a copy of the GNU Affero General Public License |
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17 # along with this program. If not, see <http://www.gnu.org/licenses/>. |
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18 |
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19 """Methods to manipulate videos""" |
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20 from typing import Union |
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21 from pathlib import Path |
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22 from twisted.python.procutils import which |
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23 from sat.core.i18n import _ |
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24 from sat.core import exceptions |
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25 from sat.core.log import getLogger |
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26 from .common import async_process |
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27 |
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28 |
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29 log = getLogger(__name__) |
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30 |
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31 |
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32 |
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33 |
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34 |
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35 try: |
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36 ffmpeg_path = which('ffmpeg')[0] |
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37 except IndexError: |
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38 log.warning(_( |
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39 "ffmpeg executable not found, video thumbnails won't be available")) |
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40 ffmpeg_path = None |
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41 |
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42 |
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43 async def get_thumbnail(video_path: Union[Path, str], dest_path: Path) -> Path: |
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44 """Extract thumbnail from video |
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45 |
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46 @param video_path: source of the video |
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47 @param dest_path: path where the file must be saved |
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48 @return: path of the generated thumbnail |
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49 image is created in temporary directory but is not delete automatically |
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50 it should be deleted after use. |
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51 Image will be in JPEG format. |
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52 @raise exceptions.NotFound: ffmpeg is missing |
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53 """ |
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54 if ffmpeg_path is None: |
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55 raise exceptions.NotFound( |
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56 _("ffmpeg executable is not available, can't generate video thumbnail")) |
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57 |
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58 await async_process.run( |
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59 ffmpeg_path, "-i", str(video_path), "-ss", "10", "-frames:v", "1", str(dest_path) |
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60 ) |
