MesraTools browser media engine

@ffmpeg/ffmpeg 0.12.15 — MIT
Licence: FFMPEG-JS-LICENSE.txt
Source: https://github.com/ffmpegwasm/ffmpeg.wasm
Exact published JavaScript sources are included in the ffmpeg/ directory.

@ffmpeg/core 0.12.10 — GPL-2.0-or-later
Licence: FFMPEG-CORE-GPL-2.txt
Source/build configuration:
https://github.com/ffmpegwasm/ffmpeg.wasm/tree/v0.12.10
https://github.com/FFmpeg/FFmpeg/tree/n5.1.4
The upstream Dockerfile and build/ scripts identify the linked libraries
and their upstream sources, versions and build configuration. The upstream
licences for those components continue to apply. No changes were made to
the published FFmpeg engine binaries.

ImageMagick/magick-wasm 0.0.45
Licences and third-party notices: MAGICK-LICENSE.txt and MAGICK-NOTICE.txt
Source: https://github.com/dlemstra/magick-wasm/tree/0.0.45

UPNG.js 2.1.0 — MIT; Pako dependency — MIT/Zlib
Licences: UPNG-LICENSE.txt and PAKO-LICENSE.txt
Source: https://github.com/photopea/UPNG.js
Source: https://github.com/nodeca/pako

All library versions and npm integrity hashes are recorded in the repair
source's package-lock.json. Browser app source is delivered as readable
JavaScript alongside the engines.