NextNote FFmpeg release third-party notices

ffmpeg 8.1.2
License: LGPL-2.1-or-later; GPL and non-free components are disabled in the NextNote build
Purpose: The FFmpeg release NextNote builds and ships. 8.1.2 is the stable 8.1 point release pinned by PROJECT_PLAN.md. NextNote uses only the hardware H.264 encoders and vendor-neutral hardware decoder required by LiveView.

amf-headers v1.5.2
License: MIT
Purpose: AMD AMF API headers for h264_amf. Headers-only release asset published by AMD (the full repository archive carries hundreds of MB of samples the build does not need). Header-only dependency: the AMF runtime ships with the AMD driver and is loaded dynamically; nothing from this package is linked into the binary.

nv-codec-headers n13.0.19.1
License: MIT
Purpose: FFmpeg's ffnvcodec headers for h264_nvenc (Video Codec SDK 13.0.19). Header-only dependency: the NVENC runtime ships with the NVIDIA driver and is loaded dynamically. Requires NVIDIA driver >= 570.0 on Windows at runtime â€” same header generation as the FFmpeg 8.1-era Gyan build in production, so no driver regression for existing users.

libvpl v2.17.0
License: MIT
Purpose: Intel Video Processing Library dispatcher for h264_qsv (--enable-libvpl). The dispatcher is statically linked into ffmpeg.exe, so this source must ship in the corresponding-source bundle; the actual media runtime comes from the Intel graphics driver at run time.

msys2-base 2026-06-11
License: Build environment only (BSD/GPL mix per package); not distributed. Statically linked GCC runtime components are GPLv3 with the GCC Runtime Library Exception; mingw-w64 CRT and winpthreads carry permissive mingw-w64 licences.
Purpose: Pinned MSYS2 base snapshot providing the UCRT64/MinGW toolchain and Unix build environment FFmpeg's build system expects. scripts/bootstrap-msys2.ps1 extracts this snapshot and installs the package set below; the exact installed package versions are recorded in the build manifest on every run.

7zip 26.02
License: LGPL-2.1 with unRAR restriction; build/packaging tool only, not distributed with NextNote
Purpose: Creates the deterministic ffmpeg.7z archives embedded in the three applications (Milestone 5 packaging). Pinned so archive bytes are reproducible across build machines.

