libopenaptx 的作者把它附加了不允许Freedesktop和Collabora使用的条款。。并发布为0.2.1版本[1]
现在有使用的GStreamer[2]和PipeWire[3]都在meson.build中限制了"libopenaptx < 0.2.1"...
不过根据GPLv3中条款,这种限制性的附加申明是无效的。。[4]
[1] https://github.com/pali/libopenaptx/commit/811bc18586d634042618d633727ac0281d4170b8
[2] https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2235
[3] https://gitlab.freedesktop.org/pipewire/pipewire/-/merge_requests/664
[4] https://gitlab.freedesktop.org/pipewire/pipewire/-/commit/d08b6fac6bec0d334ee9fc785d551a67832f95fe#note_913205