Reel Studio: corresponding source for the GPL programs in the installers
=========================================================================

The Reel Studio installers contain FFmpeg and FFprobe 7.1.1 (GNU GPL version 3), built by the Reel Studio project
(not downloaded from a third party) for Windows x64 and macOS arm64. This folder is the source offer for them
(GPL v3 section 6(d)). SHA256SUMS.txt lists every file here.

What is in it
  ffmpeg-7.1.1.tar.xz (+ .asc)   FFmpeg itself, unmodified release source
  x264-*.tar.gz                  libx264 (GPL-2.0+), the library that makes the binary GPL
  freetype, fribidi, harfbuzz,   the caption renderer (subtitles filter) and its text shaping
  libass
  zimg                           the zscale filter (HDR to SDR)
  zlib                           compression
  nv-codec-headers               Windows only, header files for NVIDIA NVENC (loaded at run time from the driver)
  amf-headers                    Windows only, header files for AMD AMF (the AMD driver is loaded at run time)
  libvpl                         Windows only, Intel oneVPL dispatcher for Quick Sync (finds the Intel runtime at run time)
  reel-studio-ffmpeg-recipe-*    THE BUILD SCRIPTS: build.sh (every configure/compile command), sources.txt (every
                                 version, URL and SHA-256 above), pack.py, README. Nothing else is linked in.

To rebuild the binaries (see README.md inside the recipe archive, or packaging/ffmpeg/README.md in the repository):
  Windows  MSYS2 UCRT64 shell:  bash packaging/ffmpeg/build.sh <workdir>
  macOS    Apple silicon:       bash packaging/ffmpeg/build.sh <workdir>
The exact FFmpeg configure line of each binary is in BUILDINFO.txt inside the FFmpeg zip and is printed by
`ffmpeg -version`. The toolchain is MSYS2's GCC (Windows) and Apple clang (macOS); their versions are in BUILDINFO.txt.

Reel Studio's own source code is MIT licensed and is in the repository. You may replace the bundled FFmpeg with
your own build: Reel Studio finds it through the REELENGINE_FFMPEG / REELENGINE_FFPROBE settings.