From: Limin Wang <lance.lmw...@gmail.com> Fix #ticket9449 Signed-off-by: Limin Wang <lance.lmw...@gmail.com> --- Make it as real patch so that you can test it easily as I don't have BSD system for testing.
libavformat/udp.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/libavformat/udp.c b/libavformat/udp.c index 83c042d..a52a489 100644 --- a/libavformat/udp.c +++ b/libavformat/udp.c @@ -163,8 +163,15 @@ static int udp_set_multicast_ttl(int sockfd, int mcastTTL, void *logctx) { #ifdef IP_MULTICAST_TTL + int ret = 0; if (addr->sa_family == AF_INET) { - if (setsockopt(sockfd, IPPROTO_IP, IP_MULTICAST_TTL, &mcastTTL, sizeof(mcastTTL)) < 0) { + ret = setsockopt(sockfd, IPPROTO_IP, IP_MULTICAST_TTL, &mcastTTL, sizeof(mcastTTL)); + if (ret < 0 && errno == EINVAL) { + /* BSD compatibility */ + unsigned char ttl = (unsigned char) ((mcastTTL > 255) ? 255 : mcastTTL); + ret = setsockopt(sockfd, IPPROTO_IP, IP_MULTICAST_TTL, &ttl, sizeof(ttl)); + } + if (ret < 0) { ff_log_net_error(logctx, AV_LOG_ERROR, "setsockopt(IP_MULTICAST_TTL)"); return ff_neterrno(); } -- 1.8.3.1 _______________________________________________ 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".