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import * as fs from 'fs';
import * as tmp from 'tmp';
import { IImage, convertToJpeg } from './image-processor';
import * as FFmpeg from 'fluent-ffmpeg';
export async function GenerateVideoThumbnail(path: string): Promise<IImage> {
const [outDir, cleanup] = await new Promise<[string, any]>((res, rej) => {
tmp.dir((e, path, cleanup) => {
if (e) return rej(e);
res([path, cleanup]);
});
});
await new Promise((res, rej) => {
FFmpeg({
source: path
})
.on('end', res)
.on('error', rej)
.screenshot({
folder: outDir,
filename: 'output.png',
count: 1,
timestamps: ['5%']
});
});
const outPath = `${outDir}/output.png`;
const thumbnail = await convertToJpeg(outPath, 498, 280);
// cleanup
await fs.promises.unlink(outPath);
cleanup();
return thumbnail;
}
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