Per upstream ffmpeg, this was fixed some time ago in 3583c8706df0abbfa3ecdd6730f4f3d72a01fe6d.
Per upstream libav, this issue is now public.
Per upstream ffmpeg, this was fixed some time ago in 3583c8706df0abb fa3ecdd6730f4f3 d72a01fe6d.
Per upstream libav, this issue is now public.