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ffmpegwasm/ffmpeg.wasm-core

 
 

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FFmpeg.wasm Core

Deprecated, merge to https://github.com/ffmpegwasm/ffmpeg.wasm as part of the monorepo.

Node Version FFmpeg.wasm Core npm (tag) Maintenance Downloads Total Downloads Month

This is the core part of FFmpeg.wasm where we transpile C/C++ code of FFmpeg to JavaScript/WebAssembly code. It is still very experimental (and slow), but shows the possibilities of using FFmpeg purely in the browser.

If you have any issues for this repository, please put it here: https://github.com/ffmpegwasm/ffmpeg.wasm/issues

Setup

$ git clone https://github.com/ffmpegwasm/ffmpeg.wasm-core
$ git submodule update --init --recursive

Build

  1. Use docker (easy way)

Install latest docker and run build-with-docker.sh.

$ bash build-with-docker.sh
  1. Install emsdk (unstable way)

Setup the emsdk from HERE and run build.sh.

$ bash build.sh

If nothing goes wrong, you can find JavaScript files in wasm/packages/core/dist.

Test

Once the build completes, you can test with following scripts:

$ cd wasm
$ npm install
$ npm test

Configuration

Base

Library/Tool Name Version Remark
Emscripten 3.1.30
FFmpeg 4.3.1

Video

Library/Tool Name Version Remark
x264 0.160.x mp4 format
x265 3.4 mp4 format, only works with -pix_fmt yuv420p10le and -pix_fmt yuv420p12le
libvpx 1.9.0 webm format
theora 1.1.1 ogv format
aom 1.0.0 mkv format, extremely slow (takes over 120s for 1s video), not recommended to use

Audio

Library/Tool Name Version Remark
wavpack 5.3.0 wav/wv format
lame 3.100 mp3 format
fdk-aac 2.0.1 aac format
ogg 1.3.4 required by vorbis
vorbis 1.3.6 ogg format
opus 1.3.1 opus format

Image

Library/Tool Name Version Remark
libwebp 1.1.0 webp format

Others

Library/Tool Name Version Remark
freetype2 2.10.4 font file support
fribidi 1.0.10 Arabic and Hebrew alphabets support
harfbuzz 2.7.4 text shaping engine
libass 0.15.0 SSA/ASS subtitles rendering library

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Mirror of git://source.ffmpeg.org/ffmpeg.git

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License

Unknown and 3 other licenses found

Licenses found

Unknown
LICENSE.md
GPL-2.0
COPYING.GPLv2
GPL-3.0
COPYING.GPLv3
LGPL-3.0
COPYING.LGPLv3

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  • C 91.7%
  • Assembly 6.6%
  • Makefile 1.3%
  • C++ 0.2%
  • Shell 0.1%
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