[FFmpeg-devel] Quick Patch for Multicast UDP Receive on macOS

[Thilo Borgmann]

Hi,

> --- /Users/mark/Downloads/udpORIG.c	2018-08-16 15:39:21.000000000 +0100
> +++ /Users/mark/Downloads/udp.c	2018-08-16 15:40:55.000000000 +0100
> @@ -828,7 +828,11 @@
>         s->reuse_socket = 1;
>         if (setsockopt (udp_fd, SOL_SOCKET, SO_REUSEADDR, &(s->reuse_socket), sizeof(s->reuse_socket)) != 0)
>             goto fail;
> -    }
> +  #ifdef __APPLE__  // MacOS/X requires an additional call 
> +        if (setsockopt (udp_fd, SOL_SOCKET, SO_REUSEPORT, &(s->reuse_socket), sizeof(s->reuse_socket)) != 0)
> +            goto fail;
> +  #endif
> +      }
> 
>     if (s->is_broadcast) {
> #ifdef SO_BROADCAST

Not sure but that might also affect other BSD derivatives like Gentoo... can you test on Linux and some BSD also?
(I've got no other BSD kind of OS other than OSX)

-Thilo