38 lines
1.4 KiB
HTML
38 lines
1.4 KiB
HTML
<html>
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<head>
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<link rel="stylesheet" href="style.css">
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<script src="../../packages/ffmpeg/dist/umd/ffmpeg.js"></script>
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<script src="../../packages/util/dist/umd/index.js"></script>
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</head>
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<body>
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<h3>Upload a mp4 (x264) video and trim its first 1 seconds and play!</h3>
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<video id="output-video" controls></video><br/>
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<input type="file" id="uploader">
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<p id="message"></p>
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<script>
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const { fetchFile } = FFmpegUtil;
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let ffmpeg = null;
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const trim = 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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}
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const { name } = files[0];
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message.innerHTML = 'Loading ffmpeg-core.js';
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message.innerHTML = 'Start trimming';
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ffmpeg.FS.writeFile(name, await fetchFile(files[0]));
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await ffmpeg.exec('-i', name, '-ss', '0', '-to', '1', 'output.mp4');
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message.innerHTML = 'Complete trimming';
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const data = ffmpeg.FS.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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}
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const elm = document.getElementById('uploader');
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elm.addEventListener('change', trim);
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</script>
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</body>
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</html>
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