Open-Source Components
Haoyong Video is closed-source software that uses the open-source libraries below, shipped unmodified as separate dynamic libraries inside the app. Your rights under their licenses, including the right to modify and replace the LGPL libraries, are not limited by our license agreement (§3).
Corresponding source
The original upstream archives with checksums, the exact build scripts and flags, the license texts, and instructions for replacing a library in the app. Because of the website's file-size limit the archive comes in parts; join them after downloading:
- HaoyongVideo-1.0.0-open-source-components.tar.gz.part1 24.0 MB · SHA-256
92a5d8cb7c5de337b976c947897239a64388a231cb1170d119ef08661af5f395 - HaoyongVideo-1.0.0-open-source-components.tar.gz.part2 24.0 MB · SHA-256
8e8f44bf66ff15f0bc8ba1f700652f19620368d795238135e131591c7729d482 - HaoyongVideo-1.0.0-open-source-components.tar.gz.part3 0.4 MB · SHA-256
0a15fc9389224ab601e10a94c2750514e85b987703c9da0ac60f5a0699d71444 - SHA256SUMS
Join and verify
cat HaoyongVideo-1.0.0-open-source-components.tar.gz.part* > HaoyongVideo-1.0.0-open-source-components.tar.gz
shasum -a 256 HaoyongVideo-1.0.0-open-source-components.tar.gz # 5e8ca2f12d89165aff7d228484794b1a8d104e273db0abb9d07f1a41ad094e70Copies on physical media on request from opensource@haoyong.app, for no more than the cost of supplying them, for at least three years after this version was last distributed.
Components in version 1.0.0
| Component | Version | License |
|---|---|---|
| mpv (libmpv) | 0.41.0 | LGPL-2.1-or-later |
| FFmpeg (libavcodec, libavformat, libavutil, libavfilter, libswresample, libswscale) | 9.0.2 | LGPL-2.1-or-later |
| libplacebo | 7.387.0 | LGPL-2.1-or-later |
| FriBidi | 1.0.18 | LGPL-2.1-or-later |
| libass | 0.17.5 | ISC |
| FreeType (with bundled zlib 1.3.1) | 2.15.0 | FreeType License (FTL); zlib: Zlib |
| HarfBuzz | 15.0.0 | MIT |
| dav1d | 1.5.4 | BSD-2-Clause |
| fast_float (in libplacebo) | 8.3.3 | MIT / Apache-2.0 / BSL-1.0 |
| glad-generated OpenGL loader (in libplacebo) | 2.0.8 | (WTFPL or CC0-1.0) and Apache-2.0 |
| Vulkan-Headers (types only, in libplacebo) | 1.4.363.0 | Apache-2.0 |
This software is based in part on the work of the Independent JPEG Group (IJG-derived DCT code in FFmpeg's libavcodec, as adapted by the FFmpeg project).
Portions of this software are copyright © 2026 The FreeType Project (https://freetype.org). All rights reserved.
Full notices and license texts are also inside the app: Haoyong Video › Acknowledgements.