On Sat, Feb 05, 2022 at 08:31:46PM +0800, lance.lmw...@gmail.com wrote:
> From: Limin Wang
>
> Signed-off-by: Limin Wang
> ---
> libavformat/udp.c | 32
> 1 file changed, 20 insertions(+), 12 deletions(-)
>
> diff --git a/libavformat/udp.c b/libavformat/udp.c
> index 83c042d..8178d0e 100644
> --- a/libavformat/udp.c
> +++ b/libavformat/udp.c
> @@ -162,22 +162,30 @@ static int udp_set_multicast_ttl(int sockfd, int
> mcastTTL,
> struct sockaddr *addr,
> void *logctx)
> {
> +int protocol, cmd;
> +
> +switch (addr->sa_family) {
> #ifdef IP_MULTICAST_TTL
> -if (addr->sa_family == AF_INET) {
> -if (setsockopt(sockfd, IPPROTO_IP, IP_MULTICAST_TTL, ,
> sizeof(mcastTTL)) < 0) {
> -ff_log_net_error(logctx, AV_LOG_ERROR,
> "setsockopt(IP_MULTICAST_TTL)");
> -return ff_neterrno();
> -}
> -}
> +case AF_INET:
> +protocol = IPPROTO_IP;
> +cmd = IP_MULTICAST_TTL;
> +break;
> #endif
> #if defined(IPPROTO_IPV6) && defined(IPV6_MULTICAST_HOPS)
> -if (addr->sa_family == AF_INET6) {
> -if (setsockopt(sockfd, IPPROTO_IPV6, IPV6_MULTICAST_HOPS, ,
> sizeof(mcastTTL)) < 0) {
> -ff_log_net_error(logctx, AV_LOG_ERROR,
> "setsockopt(IPV6_MULTICAST_HOPS)");
> -return ff_neterrno();
> -}
> -}
> +case AF_INET6:
> +protocol = IPPROTO_IPV6;
> +cmd = IPV6_MULTICAST_HOPS;
> +break;
> #endif
> +default:
> +return 0;
> +}
> +
> +if (setsockopt(sockfd, protocol, cmd, , sizeof(mcastTTL)) < 0) {
> +ff_log_net_error(logctx, AV_LOG_ERROR, "setsockopt(IPV4/IPV6
> MULTICAST TTL)");
> +return ff_neterrno();
> +}
> +
> return 0;
> }
>
> --
> 1.8.3.1
>
will apply tomorrow with one pending ttl range check patch if no further
comments.
--
Thanks,
Limin Wang
___
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
To unsubscribe, visit link above, or email
ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
