Make sure to contact lawyer before using it in your country. It also includes patent encumbered H.264, AAC and MP3 encoders. This build uses GPL version of FFmpeg and thus available under GPL 2.0. See LICENSE.WEBM for the full text of software licenses used in this build. See here for more details and FFmpeg's license information. This build uses LGPL version of FFmpeg and thus available under LGPL 2.1 or later.

Own library code licensed under LGPL 2.1 or later. And of course to all great projects which made this library possible: FFmpeg, Emscripten, asm.js, node.js and many others. Thanks to videoconverter.js for inspiration. Git clone -recurse-submodules & cd ffmpeg.js Sudo apt-get install -y git python build-essential automake libtool pkg-config ffmpeg ( - Start new job with provided options. require('ffmpeg.js/ffmpeg-mp4.js').Ĭonst ffmpeg = require ( 'ffmpeg.js' ) let stdout = '' let stderr = '' // Print FFmpeg's version. Add its name after the slash if you need another build, e.g. Sync runįfmpeg.js provides common module API, ffmpeg-webm.js is the default module. See documentation on Module object for the list of options that you can pass. Should not be confused with FFmpeg's patch version number. major - FFmpeg's major version number used in the builds.Version schemeįfmpeg.js uses the following version pattern: major.minor.9ddd, where: Note: only NPM releases contain abovementioned files. ffmpeg-worker-mp4.js - Web Worker version of ffmpeg-mp4.js.ffmpeg-mp4.js - MP4 encoding (H.264 & AAC & MP3 encoders, popular decoders).ffmpeg-worker-webm.js - Web Worker version of ffmpeg-webm.js.ffmpeg-webm.js - WebM encoding (VP8 & Opus encoders, popular decoders).BuildsĬurrently available builds (additional builds may be added in future): Builds are optimized for in-browser use: minimal size for faster loading, asm.js, performance tunings, etc. This library provides FFmpeg builds ported to JavaScript using Emscripten project.

Ffmpeg javascript example