ENCODER SOURCE MATERIALS

The unmodified runtime is @ffmpeg/core-mt 0.12.10, from its official npm release.
The ffmpeg.wasm v12.15 source archive declares core version 0.12.10 and contains
its binding sources, Dockerfile, and build scripts. Its Dockerfile selects FFmpeg
n5.1.4 and the library versions archived here; sources.json records downloads and
hashes. SDL release-2.24.2 is the port selected by Emscripten 3.1.40.

Extract ffmpeg-wasm-v12.15.tar.gz to inspect/build the encoder. The upstream
multi-thread build uses the Makefile prd-mt target with FFMPEG_MT=yes; see the repository's
Makefile and build scripts. The compiler toolchain is Emscripten 3.1.40.
The source archives retain their own copyright and license files.

Application source is the readable app.js, software-worker.js, display-metadata.js,
index.html and style.css distributed beside the encoder. No minification or
application build step is required. No application code is included in the WASM.
