53 lines
1.8 KiB
Python
53 lines
1.8 KiB
Python
# mautrix-telegram - A Matrix-Telegram puppeting bridge
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# Copyright (C) 2022 Tulir Asokan
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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 <https://www.gnu.org/licenses/>.
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from __future__ import annotations
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import logging
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from mautrix.util import ffmpeg
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from .tgs_converter import ConvertedSticker
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log: logging.Logger = logging.getLogger("mau.util.webm")
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converter_args = {
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"gif": {
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"output_args": ("-vf", "split[s0][s1];[s0]palettegen[p];[s1][p]paletteuse"),
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},
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"png": {
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"input_args": ("-ss", "0"),
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"output_args": ("-frames:v", "1"),
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},
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"webp": {},
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}
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async def convert_webm_to(file: bytes, convert_to: str) -> ConvertedSticker:
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if convert_to in ("png", "gif", "webp"):
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try:
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converted_data = await ffmpeg.convert_bytes(
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data=file,
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output_extension=f".{convert_to}",
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**converter_args[convert_to],
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)
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return ConvertedSticker(f"image/{convert_to}", converted_data)
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except ffmpeg.ConverterError as e:
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log.error(str(e))
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elif convert_to != "disable":
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log.warning(f"Unable to convert webm animated sticker, type {convert_to} not supported")
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return ConvertedSticker("video/webm", file)
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