42 lines
876 B
TypeScript
42 lines
876 B
TypeScript
import * as fs from 'fs';
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import * as tmp from 'tmp';
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import * as sharp from 'sharp';
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const ThumbnailGenerator = require('video-thumbnail-generator').default;
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export async function GenerateVideoThumbnail(path: string): Promise<Buffer> {
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const [outDir, cleanup] = await new Promise<[string, any]>((res, rej) => {
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tmp.dir((e, path, cleanup) => {
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if (e) return rej(e);
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res([path, cleanup]);
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});
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});
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const tg = new ThumbnailGenerator({
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sourcePath: path,
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thumbnailPath: outDir,
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});
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await tg.generateOneByPercent(5, {
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size: '100%',
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filename: 'output.png',
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});
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const outPath = `${outDir}/output.png`;
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const thumbnail = await sharp(outPath)
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.resize(498, 280, {
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fit: 'inside',
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withoutEnlargement: true
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})
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.jpeg({
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quality: 85,
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progressive: true
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})
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.toBuffer();
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// cleanup
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fs.unlinkSync(outPath);
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cleanup();
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return thumbnail;
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}
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