# Third-party notices

## FFmpeg

The desktop installers bundle unmodified static builds of FFmpeg 9.0.2 (`ffmpeg`
and `ffprobe`), which Qingfan runs as separate programs. These builds include
libx264 and are licensed under the GNU General Public License version 3; the
full text ships beside the binaries as `FFMPEG-LICENSE.txt`.

- macOS: builds by Martin Riedl, <https://ffmpeg.martin-riedl.de/>
  (build scripts: <https://git.martin-riedl.de/ffmpeg/build-script>).
- Windows: "essentials" build by Gyan Doshi, <https://www.gyan.dev/ffmpeg/builds/>.
- FFmpeg source for this version: <https://ffmpeg.org/releases/ffmpeg-9.0.2.tar.xz>.

FFmpeg is a trademark of Fabrice Bellard. Copyright (c) 2000-2026 the FFmpeg developers.

## yt-dlp

The desktop installers bundle the unmodified one-folder builds of yt-dlp 2026.10.26
(<https://github.com/yt-dlp/yt-dlp>), which Qingfan runs as a separate program to download
TikTok and Douyin share links. yt-dlp is released into the public domain (The Unlicense).
The build includes Python and other libraries; their licenses ship beside it as
`_internal/THIRD_PARTY_LICENSES.txt`.