Complete basic rewrite
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@@ -3,7 +3,7 @@
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"version": "0.0.1",
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"description": "browser example",
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"scripts": {
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"start": "npx http-server ../../"
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"start": "npx http-server -c-1 ../../"
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},
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"author": "Jerome Wu <jeromewus@gmail.com>",
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"license": "MIT"
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@@ -11,20 +11,32 @@
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<p id="message"></p>
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<script>
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const { fetchFile } = FFmpegUtil;
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const { FFmpeg } = FFmpegWASM;
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let ffmpeg = null;
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const transcode = async ({ target: { files } }) => {
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const message = document.getElementById('message');
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if (ffmpeg === null) {
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ffmpeg = await createFFmpeg();
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ffmpeg.setProgress((progress) => { console.log(progress * 100); });
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ffmpeg = new FFmpeg();
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ffmpeg.on(FFmpeg.DOWNLOAD, ({ url, total, received, done }) => {
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console.log(`downloading ${url}, progress: ${received / total * 100} %, done: ${done}`);
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});
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ffmpeg.on(FFmpeg.PROGRESS, (p) => {
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message.innerHTML = `${p * 100} %`;
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});
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ffmpeg.on(FFmpeg.LOG, ({ message }) => {
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console.log(message);
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});
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await ffmpeg.load({
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coreURL: "/packages/core/dist/umd/ffmpeg-core.js",
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});
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}
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const { name } = files[0];
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ffmpeg.FS.writeFile(name, await fetchFile(files[0]));
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await ffmpeg.writeFile(name, await fetchFile(files[0]));
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message.innerHTML = 'Start transcoding';
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await ffmpeg.exec('-i', name, 'output.mp4');
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await ffmpeg.exec(['-i', name, 'output.mp4']);
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message.innerHTML = 'Complete transcoding';
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const data = ffmpeg.FS.readFile('output.mp4');
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const data = await ffmpeg.readFile('output.mp4');
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const video = document.getElementById('output-video');
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video.src = URL.createObjectURL(new Blob([data.buffer], { type: 'video/mp4' }));
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