45 lines
1.1 KiB
TypeScript
45 lines
1.1 KiB
TypeScript
import { createFFmpeg, FFmpeg } from '@ffmpeg/ffmpeg';
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import { getUint8ArrayView } from './upload/readFileService';
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class FFmpegService {
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private ffmpeg: FFmpeg = null;
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async init() {
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try {
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this.ffmpeg = createFFmpeg({
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log: true,
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corePath: '/js/ffmpeg-core.js',
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});
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console.log('Loading ffmpeg-core.js');
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await this.ffmpeg.load();
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} catch (e) {
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throw Error('ffmpeg load failed');
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}
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}
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async generateThumbnail(file: File) {
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if (!this.ffmpeg) {
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await this.init();
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}
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this.ffmpeg.FS(
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'writeFile',
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file.name,
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await getUint8ArrayView(new FileReader(), file)
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);
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await this.ffmpeg.run(
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'-i',
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file.name,
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'-ss',
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'00:00:01.000',
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'-vframes',
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'1',
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'thumb.png'
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);
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console.log('Complete transcoding');
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const thumb = this.ffmpeg.FS('readFile', 'thumb.png');
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return thumb;
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}
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}
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export default new FFmpegService();
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