45 lines
1.4 KiB
Svelte
45 lines
1.4 KiB
Svelte
<script lang="ts">
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import { FFmpeg } from '@ffmpeg/ffmpeg';
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// @ts-ignore
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import type { LogEvent } from '@ffmpeg/ffmpeg/dist/esm/types';
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import { fetchFile, toBlobURL } from '@ffmpeg/util';
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let videoEl: HTMLVideoElement;
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const baseURL = 'https://unpkg.com/@ffmpeg/core-mt@0.12.6/dist/esm';
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const videoURL = 'https://raw.githubusercontent.com/ffmpegwasm/testdata/master/video-15s.avi';
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let message = 'Click Start to Transcode';
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async function transcode() {
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const ffmpeg = new FFmpeg();
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message = 'Loading ffmpeg-core.js';
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ffmpeg.on('log', ({ message: msg }: LogEvent) => {
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message = msg;
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console.log(message);
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});
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await ffmpeg.load({
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coreURL: await toBlobURL(`${baseURL}/ffmpeg-core.js`, 'text/javascript'),
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wasmURL: await toBlobURL(`${baseURL}/ffmpeg-core.wasm`, 'application/wasm'),
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workerURL: await toBlobURL(`${baseURL}/ffmpeg-core.worker.js`, 'text/javascript')
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});
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message = 'Start transcoding';
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await ffmpeg.writeFile('test.avi', await fetchFile(videoURL));
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await ffmpeg.exec(['-i', 'test.avi', 'test.mp4']);
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message = 'Complete transcoding';
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const data = await ffmpeg.readFile('test.mp4');
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console.log('done');
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videoEl.src = URL.createObjectURL(
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new Blob([(data as Uint8Array).buffer], { type: 'video/mp4' })
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);
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}
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</script>
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<div>
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<!-- svelte-ignore a11y-media-has-caption -->
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<video bind:this={videoEl} controls />
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<br />
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<button on:click={transcode}>Start</button>
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<p>{message}</p>
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</div>
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