32 lines
791 B
TypeScript
32 lines
791 B
TypeScript
import * as fs from 'node:fs';
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import * as path from 'node:path';
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import { createTemp } from '@/misc/create-temp.js';
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import { IImage, convertToJpeg } from './image-processor.js';
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import FFmpeg from 'fluent-ffmpeg';
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export async function GenerateVideoThumbnail(source: string): Promise<IImage> {
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const [file, cleanup] = await createTemp();
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const parsed = path.parse(file);
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try {
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await new Promise((res, rej) => {
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FFmpeg({
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source,
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})
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.on('end', res)
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.on('error', rej)
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.screenshot({
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folder: parsed.dir,
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filename: parsed.base,
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count: 1,
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timestamps: ['5%'],
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});
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});
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// JPEGに変換 (Webpでもいいが、MastodonはWebpをサポートせず表示できなくなる)
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return await convertToJpeg(file, 498, 280);
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} finally {
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cleanup();
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}
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}
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