Update download scripts and folder name
This commit is contained in:
jeromewu
2
apps/vanilla-app/.gitignore
vendored
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2
apps/vanilla-app/.gitignore
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*.tgz
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assets
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28
apps/vanilla-app/README.md
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apps/vanilla-app/README.md
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# Browser Examples
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## Setup
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You need to download assets from npm before running the examples:
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```bash
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$ npm run download
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```
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## Run
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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:8080 to check avaiable examples.
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## Examples
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| Example | Description |
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| ------- | ----------- |
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| transcode.html | Transcoding example |
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| transcode.esm.html | Transcoding example using module |
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| trim.html | Video trimming exmple |
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| concatDemuxer.html | Video concat exmple |
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54
apps/vanilla-app/concatDemuxer.html
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apps/vanilla-app/concatDemuxer.html
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<html>
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<head>
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<link rel="stylesheet" href="style.css">
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<script src="/assets/ffmpeg/package/dist/umd/ffmpeg.js"></script>
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<script src="/assets/util/package/dist/umd/index.js"></script>
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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 { 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 = new FFmpeg();
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ffmpeg.on("log", ({ message }) => {
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console.log(message);
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})
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ffmpeg.on("progress", ({ progress, time }) => {
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message.innerHTML = `${time / 1000000} s`;
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});
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await ffmpeg.load({
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coreURL: "/assets/core/package/dist/umd/ffmpeg-core.js",
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});
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}
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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.writeFile(name, await fetchFile(file));
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inputPaths.push(`file ${name}`);
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}
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await ffmpeg.writeFile('concat_list.txt', inputPaths.join('\n'));
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await ffmpeg.exec(['-f', 'concat', '-safe', '0', '-i', 'concat_list.txt', 'output.mp4']);
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message.innerHTML = "Complete Concating";
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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(
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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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30
apps/vanilla-app/download-assets.js
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apps/vanilla-app/download-assets.js
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const tar = require('tar');
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const fs = require('fs');
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const NPM_URL = 'https://registry.npmjs.org';
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const FFMPEG_VERSION = '0.12.2';
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const UTIL_VERSION = '0.12.0';
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const CORE_VERSION = '0.12.1';
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const FFMPEG_TGZ = `ffmpeg-${FFMPEG_VERSION}.tgz`;
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const UTIL_TGZ = `util-${UTIL_VERSION}.tgz`;
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const CORE_TGZ = `core-${CORE_VERSION}.tgz`;
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const FFMPEG_TGZ_URL = `${NPM_URL}/@ffmpeg/ffmpeg/-/${FFMPEG_TGZ}`;
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const UTIL_TGZ_URL = `${NPM_URL}/@ffmpeg/util/-/${UTIL_TGZ}`;
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const CORE_TGZ_URL = `${NPM_URL}/@ffmpeg/core/-/${CORE_TGZ}`;
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const downloadAndUntar = async (url, tgzName, dst) => {
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console.log(`download and untar ${url}`);
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fs.mkdirSync(dst);
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const data = Buffer.from(await (await fetch(url)).arrayBuffer());
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fs.writeFileSync(tgzName, data);
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await tar.x({ file: tgzName, C: dst });
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};
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fs.mkdirSync('assets');
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downloadAndUntar(FFMPEG_TGZ_URL, FFMPEG_TGZ, 'assets/ffmpeg');
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downloadAndUntar(UTIL_TGZ_URL, UTIL_TGZ, 'assets/util');
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downloadAndUntar(CORE_TGZ_URL, CORE_TGZ, 'assets/core');
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15
apps/vanilla-app/package.json
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apps/vanilla-app/package.json
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{
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"name": "browser",
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"version": "0.12.0-alpha.0",
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"description": "browser example",
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"private": true,
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"scripts": {
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"download": "node download-assets.js",
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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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"dependencies": {
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"tar": "^6.1.15"
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}
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}
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10
apps/vanilla-app/style.css
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apps/vanilla-app/style.css
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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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43
apps/vanilla-app/transcode.esm.html
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apps/vanilla-app/transcode.esm.html
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<html>
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<head>
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<link rel="stylesheet" href="style.css">
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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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import { FFmpeg } from "/assets/ffmpeg/package/dist/esm/index.js";
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import { fetchFile } from "/assets/util/package/dist/esm/index.js";
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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 = new FFmpeg();
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ffmpeg.on("log", ({ message }) => {
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console.log(message);
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})
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ffmpeg.on("progress", ({ progress }) => {
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message.innerHTML = `${progress * 100} %`;
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});
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await ffmpeg.load({
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coreURL: "/assets/core/package/dist/esm/ffmpeg-core.js",
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});
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}
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const { name } = 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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message.innerHTML = 'Complete transcoding';
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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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}
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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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45
apps/vanilla-app/transcode.html
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apps/vanilla-app/transcode.html
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<html>
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<head>
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<link rel="stylesheet" href="style.css">
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<script src="/assets/ffmpeg/package/dist/umd/ffmpeg.js"></script>
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<script src="/assets/util/package/dist/umd/index.js"></script>
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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>
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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 = new FFmpeg();
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ffmpeg.on("log", ({ message }) => {
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console.log(message);
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})
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ffmpeg.on("progress", ({ progress, time }) => {
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message.innerHTML = `${progress * 100} %, time: ${time / 1000000} s`;
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});
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await ffmpeg.load({
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coreURL: "/assets/core/package/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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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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message.innerHTML = 'Complete transcoding';
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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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}
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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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45
apps/vanilla-app/trim.html
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apps/vanilla-app/trim.html
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<html>
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<head>
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<link rel="stylesheet" href="style.css">
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<script src="/assets/ffmpeg/package/dist/umd/ffmpeg.js"></script>
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<script src="/assets/util/package/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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const { FFmpeg } = FFmpegWASM;
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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 = new FFmpeg();
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ffmpeg.on("log", ({ message }) => {
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console.log(message);
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})
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ffmpeg.on("progress", ({ progress }) => {
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message.innerHTML = `${progress * 100} %`;
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});
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await ffmpeg.load({
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coreURL: "/assets/core/package/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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await ffmpeg.writeFile(name, await fetchFile(files[0]));
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message.innerHTML = 'Start trimming';
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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 = 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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}
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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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