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import * as fs from 'node:fs';
import * as path from 'node:path';
import { createTemp } from '@/misc/create-temp.js';
import { IImage, convertToJpeg } from './image-processor.js';
import FFmpeg from 'fluent-ffmpeg';
export async function GenerateVideoThumbnail(source: string): Promise<IImage> {
const [file, cleanup] = await createTemp();
const parsed = path.parse(file);
try {
await new Promise((res, rej) => {
FFmpeg({
source,
})
.on('end', res)
.on('error', rej)
.screenshot({
folder: parsed.dir,
filename: parsed.base,
count: 1,
timestamps: ['5%'],
});
});
// 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)
return await convertToJpeg(498, 280);
} finally {
cleanup();
}
}
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