PeerStreamer

    h->is_streamed = 1;

    h->max_packet_size = 1472;

    s = av_mallocz(sizeof(UDPContext));

    if (!s)

    /* XXX: fix av_url_split */

    if (hostname[0] == '\0' || hostname[0] == '?') {

        /* only accepts null hostname if input */

            goto fail;

    } else {

        if (ff_udp_set_remote_url(h, uri) < 0)

            goto fail;

    }

        s->local_port = port;

    udp_fd = udp_socket_create(s, &my_addr, &len);

    if (udp_fd < 0)

    /* the bind is needed to give a port to the socket now */

    /* if multicast, try the multicast address bind first */

        bind_ret = bind(udp_fd,(struct sockaddr *)&s->dest_addr, len);

    }

    /* bind to the local address if not multicast or if the multicast

    s->local_port = udp_port(&my_addr, len);

    if (s->is_multicast) {

            /* output */

            if (udp_set_multicast_ttl(udp_fd, s->ttl, (struct sockaddr *)&s->dest_addr) < 0)

                goto fail;

{

    UDPContext *s = h->priv_data;

        udp_leave_multicast_group(s->udp_fd, (struct sockaddr *)&s->dest_addr);

    closesocket(s->udp_fd);

    av_free(s);