Reorg folders and use core as ffmpeg from now on
This commit is contained in:
Jerome Wu
22
packages/util/examples/browser/README.md
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22
packages/util/examples/browser/README.md
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Browser Examples
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==================
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To run this example, execute:
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```
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$ npm start
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```
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Visit http://localhost:3000/examples/browser/transcode.html
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Web Worker Examples
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==================
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To run the webworker example, execute:
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```
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$ npm run start:worker
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```
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Visit http://localhost:3000/examples/browser/transcode.worker.html
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55
packages/util/examples/browser/concatDemuxer.html
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packages/util/examples/browser/concatDemuxer.html
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<html>
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<head>
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<script src="/dist/ffmpeg.dev.js"></script>
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<style>
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html,
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body {
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margin: 0;
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width: 100%;
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height: 100%;
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}
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body {
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display: flex;
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flex-direction: column;
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align-items: center;
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}
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</style>
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</head>
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<body>
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<h3>Select multiple video files to Concatenate</h3>
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<video id="output-video" controls></video><br />
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<input type="file" id="uploader" multiple />
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<p id="message"></p>
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<script>
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const { createFFmpeg, fetchFile } = FFmpeg;
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const ffmpeg = createFFmpeg({ log: true });
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const transcode = async ({ target: { files } }) => {
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const message = document.getElementById("message");
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message.innerHTML = "Loading ffmpeg-core.js";
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await ffmpeg.load();
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message.innerHTML = "Start Concating";
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const inputPaths = [];
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for (const file of files) {
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const { name } = file;
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ffmpeg.FS('writeFile', name, await fetchFile(file));
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inputPaths.push(`file ${name}`);
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}
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ffmpeg.FS('writeFile', 'concat_list.txt', inputPaths.join('\n'));
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await ffmpeg.run('-f', 'concat', '-safe', '0', '-i', 'concat_list.txt', 'output.mp4');
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message.innerHTML = "Complete Concating";
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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(
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new Blob([data.buffer], {
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type: "video/mp4"
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})
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);
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};
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const elm = document.getElementById("uploader");
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elm.addEventListener("change", transcode);
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</script>
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</body>
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</html>
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53
packages/util/examples/browser/image2video.html
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packages/util/examples/browser/image2video.html
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<html>
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<head>
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<script src="/dist/ffmpeg.dev.js"></script>
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<style>
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html, body {
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margin: 0;
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width: 100%;
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height: 100%
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}
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body {
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display: flex;
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flex-direction: column;
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align-items: center;
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}
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</style>
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</head>
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<body>
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<h3>Click start to transcode images to mp4 (x264) and play!</h3>
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<video id="output-video" controls></video><br/>
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<button id="start-btn">Start</button>
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<p id="message"></p>
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<a href="https://github.com/ffmpegjs/ffmpeg.js/tree/master/examples/assets/triangle">Data Set</a>
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<script>
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const { createFFmpeg, fetchFile } = FFmpeg;
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const ffmpeg = createFFmpeg({ log: true });
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const image2video = async () => {
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const message = document.getElementById('message');
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message.innerHTML = 'Loading ffmpeg-core.js';
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await ffmpeg.load();
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message.innerHTML = 'Loading data';
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ffmpeg.FS('writeFile', 'audio.ogg', await fetchFile('../assets/triangle/audio.ogg'));
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for (let i = 0; i < 60; i += 1) {
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const num = `00${i}`.slice(-3);
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ffmpeg.FS('writeFile', `tmp.${num}.png`, await fetchFile(`../assets/triangle/tmp.${num}.png`));
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}
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message.innerHTML = 'Start transcoding';
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await ffmpeg.run('-framerate', '30', '-pattern_type', 'glob', '-i', '*.png', '-i', 'audio.ogg', '-c:a', 'copy', '-shortest', '-c:v', 'libx264', '-pix_fmt', 'yuv420p', 'out.mp4');
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const data = ffmpeg.FS('readFile', 'out.mp4');
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ffmpeg.FS('unlink', 'audio.ogg')
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for (let i = 0; i < 60; i += 1) {
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const num = `00${i}`.slice(-3);
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ffmpeg.FS('unlink', `tmp.${num}.png`);
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}
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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('start-btn');
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elm.addEventListener('click', image2video);
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</script>
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</body>
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</html>
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packages/util/examples/browser/transcode.html
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packages/util/examples/browser/transcode.html
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<html>
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<head>
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<script src="/dist/ffmpeg.dev.js"></script>
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<style>
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html, body {
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margin: 0;
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width: 100%;
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height: 100%
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}
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body {
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display: flex;
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flex-direction: column;
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align-items: center;
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}
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</style>
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</head>
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<body>
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<h3>Upload a video to transcode to mp4 (x264) 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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<button onClick="cancel()">Cancel</button>
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<p id="message"></p>
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<script>
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const { createFFmpeg, fetchFile } = FFmpeg;
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let ffmpeg = null;
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const transcode = async ({ target: { files } }) => {
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if (ffmpeg === null) {
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ffmpeg = createFFmpeg({ log: true });
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}
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const message = document.getElementById('message');
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const { name } = files[0];
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message.innerHTML = 'Loading ffmpeg-core.js';
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if (!ffmpeg.isLoaded()) {
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await ffmpeg.load();
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}
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ffmpeg.FS('writeFile', name, await fetchFile(files[0]));
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message.innerHTML = 'Start transcoding';
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await ffmpeg.run('-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 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', transcode);
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const cancel = () => {
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try {
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ffmpeg.exit();
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} catch(e) {}
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ffmpeg = null;
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}
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</script>
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</body>
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</html>
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48
packages/util/examples/browser/transcode.worker.html
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packages/util/examples/browser/transcode.worker.html
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<html>
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<head>
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<style>
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html, body {
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margin: 0;
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width: 100%;
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height: 100%
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}
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body {
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display: flex;
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flex-direction: column;
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align-items: center;
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}
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</style>
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</head>
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<body>
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<h3>Upload a video to transcode to mp4 (x264) 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 type="module">
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const worker = new Worker(new URL('./transcode.worker.js', import.meta.url).href);
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worker.onmessage = (event) => {
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const {data} = event;
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message.innerHTML = 'Complete transcoding';
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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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worker.onerror = (error) => console.log(error);
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const transcode = async ({ target: { files } }) => {
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const message = document.getElementById('message');
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const [file] = files;
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let name = file.name.split('.');
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const inType = name.pop();
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name = name.join();
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const buffer = await file.arrayBuffer();
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const outType = 'mp4';
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worker.postMessage({name, inType, outType, buffer}, [buffer]);
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message.innerHTML = 'Start transcoding';
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}
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const elm = document.getElementById('uploader');
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elm.addEventListener('change', transcode);
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</script>
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</body>
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</html>
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packages/util/examples/browser/transcode.worker.js
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packages/util/examples/browser/transcode.worker.js
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importScripts('/dist/ffmpeg.dev.js');
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const ffmpeg = self.FFmpeg.createFFmpeg({log: true});
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onmessage = async (event) => {
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try {
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const {buffer, name, inType, outType} = event.data;
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if (!ffmpeg.isLoaded()) {
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await ffmpeg.load();
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}
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ffmpeg.FS('writeFile', `${name}.${inType}`, new Uint8Array(buffer));
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await ffmpeg.run('-i', `${name}.${inType}`, `${name}.${outType}`);
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const data = ffmpeg.FS('readFile', `${name}.${outType}`);
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postMessage({buffer: data.buffer, type: "result"}, [data.buffer]);
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// delete files from memory
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ffmpeg.FS('unlink', `${name}.${inType}`);
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ffmpeg.FS('unlink', `${name}.${outType}`);
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} catch (e) {
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postMessage({type: "error", error: e});
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}
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}
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44
packages/util/examples/browser/trim.html
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packages/util/examples/browser/trim.html
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<html>
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<head>
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<script src="/dist/ffmpeg.dev.js"></script>
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<style>
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html, body {
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margin: 0;
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width: 100%;
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height: 100%
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}
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body {
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display: flex;
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flex-direction: column;
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align-items: center;
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}
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</style>
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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 { createFFmpeg, fetchFile } = FFmpeg;
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const ffmpeg = createFFmpeg({ log: true });
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const trim = async ({ target: { files } }) => {
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const message = document.getElementById('message');
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const { name } = files[0];
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message.innerHTML = 'Loading ffmpeg-core.js';
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await ffmpeg.load();
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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.run('-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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72
packages/util/examples/browser/webcam.html
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packages/util/examples/browser/webcam.html
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<html>
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<head>
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<script src="/dist/ffmpeg.dev.js"></script>
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<style>
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html, body {
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margin: 0;
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width: 100%;
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height: 100%
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}
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body {
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display: flex;
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flex-direction: column;
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align-items: center;
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}
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</style>
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</head>
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<body>
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<h3>Record video from webcam and transcode to mp4 (x264) and play!</h3>
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<div>
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<video id="webcam" width="320px" height="180px"></video>
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<video id="output-video" width="320px" height="180px" controls></video>
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</div>
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<button id="record" disabled>Start Recording</button>
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<p id="message"></p>
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<script>
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const { createFFmpeg, fetchFile } = FFmpeg;
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const ffmpeg = createFFmpeg({ log: true });
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const webcam = document.getElementById('webcam');
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const recordBtn = document.getElementById('record');
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const startRecording = () => {
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const rec = new MediaRecorder(webcam.srcObject);
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const chunks = [];
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recordBtn.textContent = 'Stop Recording';
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recordBtn.onclick = () => {
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rec.stop();
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recordBtn.textContent = 'Start Recording';
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recordBtn.onclick = startRecording;
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}
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rec.ondataavailable = e => chunks.push(e.data);
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rec.onstop = async () => {
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transcode(new Uint8Array(await (new Blob(chunks)).arrayBuffer()));
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};
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rec.start();
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};
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(async () => {
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webcam.srcObject = await navigator.mediaDevices.getUserMedia({ video: true, audio: true });
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await webcam.play();
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recordBtn.disabled = false;
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recordBtn.onclick = startRecording;
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})();
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const transcode = async (webcamData) => {
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const message = document.getElementById('message');
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const name = 'record.webm';
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message.innerHTML = 'Loading ffmpeg-core.js';
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await ffmpeg.load();
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message.innerHTML = 'Start transcoding';
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ffmpeg.FS('writeFile', name, await fetchFile(webcamData));
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await ffmpeg.run('-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 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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</script>
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</body>
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</html>
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Block a user