Send NAT punching messages to the address specified in the Transport:

message, if available (RFC 2326, section 12.39), fixes issue 2212.

Patch by John Wimer <john at god vtic net>.

Originally committed as revision 25032 to svn://svn.ffmpeg.org/ffmpeg/trunk
oldabi
John Wimer 15 years ago committed by Ronald S. Bultje
parent 2c166c3af1
commit 619298a84d
  1. 4
      libavformat/os_support.h
  2. 15
      libavformat/rtsp.c
  3. 1
      libavformat/rtsp.h

@ -55,6 +55,10 @@ typedef int socklen_t;
#define closesocket close
#endif
#ifndef INET6_ADDRSTRLEN
#define INET6_ADDRSTRLEN INET_ADDRSTRLEN
#endif
#if CONFIG_FFSERVER
#if !HAVE_POLL_H
typedef unsigned long nfds_t;

@ -701,7 +701,14 @@ static void rtsp_parse_transport(RTSPMessageHeader *reply, const char *p)
get_word_sep(buf, sizeof(buf), ";,", &p);
get_sockaddr(buf, &th->destination);
}
} else if (!strcmp(parameter, "source")) {
if (*p == '=') {
p++;
get_word_sep(buf, sizeof(buf), ";,", &p);
av_strlcpy(th->source, buf, sizeof(th->source));
}
}
while (*p != ';' && *p != '\0' && *p != ',')
p++;
if (*p == ';')
@ -1154,9 +1161,15 @@ static int make_setup_request(AVFormatContext *s, const char *host, int port,
case RTSP_LOWER_TRANSPORT_UDP: {
char url[1024];
/* XXX: also use address if specified */
/* Use source address if specified */
if (reply->transports[0].source[0]) {
ff_url_join(url, sizeof(url), "rtp", NULL,
reply->transports[0].source,
reply->transports[0].server_port_min, NULL);
} else {
ff_url_join(url, sizeof(url), "rtp", NULL, host,
reply->transports[0].server_port_min, NULL);
}
if (!(rt->server_type == RTSP_SERVER_WMS && i > 1) &&
rtp_set_remote_url(rtsp_st->rtp_handle, url) < 0) {
err = AVERROR_INVALIDDATA;

@ -97,6 +97,7 @@ typedef struct RTSPTransportField {
int ttl;
struct sockaddr_storage destination; /**< destination IP address */
char source[INET6_ADDRSTRLEN + 1]; /**< source IP address */
/** data/packet transport protocol; e.g. RTP or RDT */
enum RTSPTransport transport;

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