diff options
| -rw-r--r-- | libavformat/udp.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/libavformat/udp.c b/libavformat/udp.c index aa17c979f3..4c4db2a589 100644 --- a/libavformat/udp.c +++ b/libavformat/udp.c @@ -313,6 +313,7 @@ static int udp_open(URLContext *h, const char *uri, int flags) char buf[256]; struct sockaddr_storage my_addr; int len; + int reuse_specified = 0; h->is_streamed = 1; h->max_packet_size = 1472; @@ -329,7 +330,14 @@ static int udp_open(URLContext *h, const char *uri, int flags) p = strchr(uri, '?'); if (p) { - s->reuse_socket = find_info_tag(buf, sizeof(buf), "reuse", p); + if (find_info_tag(buf, sizeof(buf), "reuse", p)) { + const char *endptr=NULL; + s->reuse_socket = strtol(buf, &endptr, 10); + /* assume if no digits were found it is a request to enable it */ + if (buf == endptr) + s->reuse_socket = 1; + reuse_specified = 1; + } if (find_info_tag(buf, sizeof(buf), "ttl", p)) { s->ttl = strtol(buf, NULL, 10); } @@ -366,9 +374,14 @@ static int udp_open(URLContext *h, const char *uri, int flags) if (udp_fd < 0) goto fail; - if (s->reuse_socket) + /* Follow the requested reuse option, unless it's multicast in which + * case enable reuse unless explicitely disabled. + */ + if (s->reuse_socket || (s->is_multicast && !reuse_specified)) { + s->reuse_socket = 1; if (setsockopt (udp_fd, SOL_SOCKET, SO_REUSEADDR, &(s->reuse_socket), sizeof(s->reuse_socket)) != 0) goto fail; + } /* the bind is needed to give a port to the socket now */ /* if multicast, try the multicast address bind first */ |