Open Source Licenses

FFmpeg WebAssembly engine

FileMorning uses the unmodified @ffmpeg/core 0.12.10 WebAssembly engine for certain browser-based file operations. Our distributed ffmpeg-core.wasm was also found byte-identical to the WASM packaged with @ffmpeg/core 0.12.9.

• Distributed binary: ffmpeg-core.9f57947a5bd5.wasm
• Binary SHA-256: 9f57947a5bd530d8f00c5b3f2cb2a3492faa7e5d823315342d6a8656d0a6b7b7
• FFmpeg source version: n5.1.4
• ffmpeg.wasm build project: ffmpegwasm/ffmpeg.wasm, release tag v12.15 (commit 71aa99d37c02a7b4c435275ca9ef50e612f6efa1)
• Core licensing: GNU General Public License, version 2 or later (GPL-2.0-or-later), because this engine was built with --enable-gpl and libraries including libx264 and libx265.

The GPL and other third-party licenses apply to their respective components. FileMorning does not claim copyright ownership of FFmpeg or those libraries.

Sources and build materials

Download FFmpeg source collection and build materials (ZIP, approximately 130 MB)

Source archive SHA-256: 09b92189e04250adcd69851b76ad97487a48720d834de65361b8a3b4f5a85546.

The archive contains source snapshots for FFmpeg and 15 additional libraries, the corresponding ffmpeg.wasm build-project files, plus collected SDL2 2.24.2 and Emscripten 3.1.40 materials. The revisions are documented in the archive. The exact historical revisions of some build inputs have not been independently verified against the original official build; this compilation is provided as a traceable source collection, not as a certification of exact reproducibility or legal compliance.

License texts

• GNU General Public License, version 2
• FFmpeg licensing guidance
• ffmpeg.wasm project

The source archives include the license and copyright notices supplied by the upstream projects, including those for x264, x265, libvpx, LAME, Opus, Ogg, Theora, Vorbis, zlib, libwebp, FreeType, FriBidi, HarfBuzz, libass, zimg, SDL2 and Emscripten.

Questions about these notices can be directed to [email protected].