Live stream not working on iPhone and Safari

Hi, we are using FV player for live webcam HLS stream, and it is working fine for Chrome and Firefox, but for Safari and iPhone it is not working.
On Safari and iPhone we have black picture instead stream. There is no error message, only black picture.
You can check this problem on this url: https://www.dolomitilivecam.it/web-cams/hotel-stephanshof-santo-stefano-845-m-villandro-bz-2/

Please help us.