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Diffstat (limited to 'main/rtp.c')
-rw-r--r--main/rtp.c119
1 files changed, 60 insertions, 59 deletions
diff --git a/main/rtp.c b/main/rtp.c
index 6e15433ba..03f19ef1a 100644
--- a/main/rtp.c
+++ b/main/rtp.c
@@ -460,7 +460,7 @@ static void append_attr_string(struct stun_attr **attr, int attrval, const char
}
/*! \brief append an address to an STUN message */
-static void append_attr_address(struct stun_attr **attr, int attrval, struct sockaddr_in *sin, int *len, int *left)
+static void append_attr_address(struct stun_attr **attr, int attrval, struct sockaddr_in *sock_in, int *len, int *left)
{
int size = sizeof(**attr) + 8;
struct stun_addr *addr;
@@ -470,8 +470,8 @@ static void append_attr_address(struct stun_attr **attr, int attrval, struct soc
addr = (struct stun_addr *)((*attr)->value);
addr->unused = 0;
addr->family = 0x01;
- addr->port = sin->sin_port;
- addr->addr = sin->sin_addr.s_addr;
+ addr->port = sock_in->sin_port;
+ addr->addr = sock_in->sin_addr.s_addr;
(*attr) = (struct stun_attr *)((*attr)->value + 8);
*len += size;
*left -= size;
@@ -707,11 +707,11 @@ void ast_rtp_stun_request(struct ast_rtp *rtp, struct sockaddr_in *suggestion, c
/*! \brief List of current sessions */
static AST_RWLIST_HEAD_STATIC(protos, ast_rtp_protocol);
-static void timeval2ntp(struct timeval tv, unsigned int *msw, unsigned int *lsw)
+static void timeval2ntp(struct timeval when, unsigned int *msw, unsigned int *lsw)
{
unsigned int sec, usec, frac;
- sec = tv.tv_sec + 2208988800u; /* Sec between 1900 and 1970 */
- usec = tv.tv_usec;
+ sec = when.tv_sec + 2208988800u; /* Sec between 1900 and 1970 */
+ usec = when.tv_usec;
frac = (usec << 12) + (usec << 8) - ((usec * 3650) >> 6);
*msw = sec;
*lsw = frac;
@@ -1130,7 +1130,7 @@ struct ast_frame *ast_rtcp_read(struct ast_rtp *rtp)
socklen_t len;
int position, i, packetwords;
int res;
- struct sockaddr_in sin;
+ struct sockaddr_in sock_in;
unsigned int rtcpdata[8192 + AST_FRIENDLY_OFFSET];
unsigned int *rtcpheader;
int pt;
@@ -1155,10 +1155,10 @@ struct ast_frame *ast_rtcp_read(struct ast_rtp *rtp)
if (!rtp || !rtp->rtcp)
return &ast_null_frame;
- len = sizeof(sin);
+ len = sizeof(sock_in);
res = recvfrom(rtp->rtcp->s, rtcpdata + AST_FRIENDLY_OFFSET, sizeof(rtcpdata) - sizeof(unsigned int) * AST_FRIENDLY_OFFSET,
- 0, (struct sockaddr *)&sin, &len);
+ 0, (struct sockaddr *)&sock_in, &len);
rtcpheader = (unsigned int *)(rtcpdata + AST_FRIENDLY_OFFSET);
if (res < 0) {
@@ -1174,9 +1174,9 @@ struct ast_frame *ast_rtcp_read(struct ast_rtp *rtp)
if (rtp->nat) {
/* Send to whoever sent to us */
- if ((rtp->rtcp->them.sin_addr.s_addr != sin.sin_addr.s_addr) ||
- (rtp->rtcp->them.sin_port != sin.sin_port)) {
- memcpy(&rtp->rtcp->them, &sin, sizeof(rtp->rtcp->them));
+ if ((rtp->rtcp->them.sin_addr.s_addr != sock_in.sin_addr.s_addr) ||
+ (rtp->rtcp->them.sin_port != sock_in.sin_port)) {
+ memcpy(&rtp->rtcp->them, &sock_in, sizeof(rtp->rtcp->them));
if (option_debug || rtpdebug)
ast_debug(0, "RTCP NAT: Got RTCP from other end. Now sending to address %s:%d\n", ast_inet_ntoa(rtp->rtcp->them.sin_addr), ntohs(rtp->rtcp->them.sin_port));
}
@@ -1199,8 +1199,8 @@ struct ast_frame *ast_rtcp_read(struct ast_rtp *rtp)
return &ast_null_frame;
}
- if (rtcp_debug_test_addr(&sin)) {
- ast_verbose("\n\nGot RTCP from %s:%d\n", ast_inet_ntoa(sin.sin_addr), ntohs(sin.sin_port));
+ if (rtcp_debug_test_addr(&sock_in)) {
+ ast_verbose("\n\nGot RTCP from %s:%d\n", ast_inet_ntoa(sock_in.sin_addr), ntohs(sock_in.sin_port));
ast_verbose("PT: %d(%s)\n", pt, (pt == 200) ? "Sender Report" : (pt == 201) ? "Receiver Report" : (pt == 192) ? "H.261 FUR" : "Unknown");
ast_verbose("Reception reports: %d\n", rc);
ast_verbose("SSRC of sender: %u\n", rtcpheader[i + 1]);
@@ -1215,7 +1215,7 @@ struct ast_frame *ast_rtcp_read(struct ast_rtp *rtp)
rtp->rtcp->soc = ntohl(rtcpheader[i + 4]);
rtp->rtcp->themrxlsr = ((ntohl(rtcpheader[i]) & 0x0000ffff) << 16) | ((ntohl(rtcpheader[i + 1]) & 0xffff0000) >> 16); /* Going to LSR in RR*/
- if (rtcp_debug_test_addr(&sin)) {
+ if (rtcp_debug_test_addr(&sock_in)) {
ast_verbose("NTP timestamp: %lu.%010lu\n", (unsigned long) ntohl(rtcpheader[i]), (unsigned long) ntohl(rtcpheader[i + 1]) * 4096);
ast_verbose("RTP timestamp: %lu\n", (unsigned long) ntohl(rtcpheader[i + 2]));
ast_verbose("SPC: %lu\tSOC: %lu\n", (unsigned long) ntohl(rtcpheader[i + 3]), (unsigned long) ntohl(rtcpheader[i + 4]));
@@ -1266,7 +1266,7 @@ struct ast_frame *ast_rtcp_read(struct ast_rtp *rtp)
rtp->rtcp->normdevrtt = normdevrtt_current;
rtp->rtcp->rtt_count++;
- } else if (rtcp_debug_test_addr(&sin)) {
+ } else if (rtcp_debug_test_addr(&sock_in)) {
ast_verbose("Internal RTCP NTP clock skew detected: "
"lsr=%u, now=%u, dlsr=%u (%d:%03dms), "
"diff=%d\n",
@@ -1316,7 +1316,7 @@ struct ast_frame *ast_rtcp_read(struct ast_rtp *rtp)
rtp->rtcp->reported_jitter_count++;
- if (rtcp_debug_test_addr(&sin)) {
+ if (rtcp_debug_test_addr(&sock_in)) {
ast_verbose(" Fraction lost: %ld\n", (((long) ntohl(rtcpheader[i + 1]) & 0xff000000) >> 24));
ast_verbose(" Packets lost so far: %d\n", rtp->rtcp->reported_lost);
ast_verbose(" Highest sequence number: %ld\n", (long) (ntohl(rtcpheader[i + 2]) & 0xffff));
@@ -1341,7 +1341,7 @@ struct ast_frame *ast_rtcp_read(struct ast_rtp *rtp)
"LastSR: %lu.%010lu\r\n"
"DLSR: %4.4f(sec)\r\n"
"RTT: %llu(sec)\r\n",
- ast_inet_ntoa(sin.sin_addr), ntohs(sin.sin_port),
+ ast_inet_ntoa(sock_in.sin_addr), ntohs(sock_in.sin_port),
pt, (pt == 200) ? "Sender Report" : (pt == 201) ? "Receiver Report" : (pt == 192) ? "H.261 FUR" : "Unknown",
rc,
rtcpheader[i + 1],
@@ -1365,7 +1365,7 @@ struct ast_frame *ast_rtcp_read(struct ast_rtp *rtp)
"IAJitter: %u\r\n"
"LastSR: %lu.%010lu\r\n"
"DLSR: %4.4f(sec)\r\n",
- ast_inet_ntoa(sin.sin_addr), ntohs(sin.sin_port),
+ ast_inet_ntoa(sock_in.sin_addr), ntohs(sock_in.sin_port),
pt, (pt == 200) ? "Sender Report" : (pt == 201) ? "Receiver Report" : (pt == 192) ? "H.261 FUR" : "Unknown",
rc,
rtcpheader[i + 1],
@@ -1380,7 +1380,7 @@ struct ast_frame *ast_rtcp_read(struct ast_rtp *rtp)
}
break;
case RTCP_PT_FUR:
- if (rtcp_debug_test_addr(&sin))
+ if (rtcp_debug_test_addr(&sock_in))
ast_verbose("Received an RTCP Fast Update Request\n");
rtp->f.frametype = AST_FRAME_CONTROL;
rtp->f.subclass = AST_CONTROL_VIDUPDATE;
@@ -1391,11 +1391,11 @@ struct ast_frame *ast_rtcp_read(struct ast_rtp *rtp)
f = &rtp->f;
break;
case RTCP_PT_SDES:
- if (rtcp_debug_test_addr(&sin))
+ if (rtcp_debug_test_addr(&sock_in))
ast_verbose("Received an SDES from %s:%d\n", ast_inet_ntoa(rtp->rtcp->them.sin_addr), ntohs(rtp->rtcp->them.sin_port));
break;
case RTCP_PT_BYE:
- if (rtcp_debug_test_addr(&sin))
+ if (rtcp_debug_test_addr(&sock_in))
ast_verbose("Received a BYE from %s:%d\n", ast_inet_ntoa(rtp->rtcp->them.sin_addr), ntohs(rtp->rtcp->them.sin_port));
break;
default:
@@ -1408,7 +1408,7 @@ struct ast_frame *ast_rtcp_read(struct ast_rtp *rtp)
return f;
}
-static void calc_rxstamp(struct timeval *tv, struct ast_rtp *rtp, unsigned int timestamp, int mark)
+static void calc_rxstamp(struct timeval *when, struct ast_rtp *rtp, unsigned int timestamp, int mark)
{
struct timeval now;
double transit;
@@ -1436,11 +1436,11 @@ static void calc_rxstamp(struct timeval *tv, struct ast_rtp *rtp, unsigned int t
gettimeofday(&now,NULL);
/* rxcore is the mapping between the RTP timestamp and _our_ real time from gettimeofday() */
- tv->tv_sec = rtp->rxcore.tv_sec + timestamp / 8000;
- tv->tv_usec = rtp->rxcore.tv_usec + (timestamp % 8000) * 125;
- if (tv->tv_usec >= 1000000) {
- tv->tv_usec -= 1000000;
- tv->tv_sec += 1;
+ when->tv_sec = rtp->rxcore.tv_sec + timestamp / 8000;
+ when->tv_usec = rtp->rxcore.tv_usec + (timestamp % 8000) * 125;
+ if (when->tv_usec >= 1000000) {
+ when->tv_usec -= 1000000;
+ when->tv_sec += 1;
}
prog = (double)((timestamp-rtp->seedrxts)/8000.);
dtv = (double)rtp->drxcore + (double)(prog);
@@ -1523,7 +1523,7 @@ static int bridge_p2p_rtp_write(struct ast_rtp *rtp, struct ast_rtp *bridged, un
struct ast_frame *ast_rtp_read(struct ast_rtp *rtp)
{
int res;
- struct sockaddr_in sin;
+ struct sockaddr_in sock_in;
socklen_t len;
unsigned int seqno;
int version;
@@ -1544,23 +1544,23 @@ struct ast_frame *ast_rtp_read(struct ast_rtp *rtp)
if (rtp->sending_digit)
ast_rtp_senddigit_continuation(rtp);
- len = sizeof(sin);
+ len = sizeof(sock_in);
/* Cache where the header will go */
res = recvfrom(rtp->s, rtp->rawdata + AST_FRIENDLY_OFFSET, sizeof(rtp->rawdata) - AST_FRIENDLY_OFFSET,
- 0, (struct sockaddr *)&sin, &len);
+ 0, (struct sockaddr *)&sock_in, &len);
/* If strict RTP protection is enabled see if we need to learn this address or if the packet should be dropped */
if (rtp->strict_rtp_state == STRICT_RTP_LEARN) {
/* Copy over address that this packet was received on */
- memcpy(&rtp->strict_rtp_address, &sin, sizeof(rtp->strict_rtp_address));
+ memcpy(&rtp->strict_rtp_address, &sock_in, sizeof(rtp->strict_rtp_address));
/* Now move over to actually protecting the RTP port */
rtp->strict_rtp_state = STRICT_RTP_CLOSED;
ast_debug(1, "Learned remote address is %s:%d for strict RTP purposes, now protecting the port.\n", ast_inet_ntoa(rtp->strict_rtp_address.sin_addr), ntohs(rtp->strict_rtp_address.sin_port));
} else if (rtp->strict_rtp_state == STRICT_RTP_CLOSED) {
/* If the address we previously learned doesn't match the address this packet came in on simply drop it */
- if ((rtp->strict_rtp_address.sin_addr.s_addr != sin.sin_addr.s_addr) || (rtp->strict_rtp_address.sin_port != sin.sin_port)) {
- ast_debug(1, "Received RTP packet from %s:%d, dropping due to strict RTP protection. Expected it to be from %s:%d\n", ast_inet_ntoa(sin.sin_addr), ntohs(sin.sin_port), ast_inet_ntoa(rtp->strict_rtp_address.sin_addr), ntohs(rtp->strict_rtp_address.sin_port));
+ if ((rtp->strict_rtp_address.sin_addr.s_addr != sock_in.sin_addr.s_addr) || (rtp->strict_rtp_address.sin_port != sock_in.sin_port)) {
+ ast_debug(1, "Received RTP packet from %s:%d, dropping due to strict RTP protection. Expected it to be from %s:%d\n", ast_inet_ntoa(sock_in.sin_addr), ntohs(sock_in.sin_port), ast_inet_ntoa(rtp->strict_rtp_address.sin_addr), ntohs(rtp->strict_rtp_address.sin_port));
return &ast_null_frame;
}
}
@@ -1591,9 +1591,9 @@ struct ast_frame *ast_rtp_read(struct ast_rtp *rtp)
* answers to requests, and it returns STUN_ACCEPT
* if the request is valid.
*/
- if ((stun_handle_packet(rtp->s, &sin, rtp->rawdata + AST_FRIENDLY_OFFSET, res, NULL, NULL) == STUN_ACCEPT) &&
+ if ((stun_handle_packet(rtp->s, &sock_in, rtp->rawdata + AST_FRIENDLY_OFFSET, res, NULL, NULL) == STUN_ACCEPT) &&
(!rtp->them.sin_port && !rtp->them.sin_addr.s_addr)) {
- memcpy(&rtp->them, &sin, sizeof(rtp->them));
+ memcpy(&rtp->them, &sock_in, sizeof(rtp->them));
}
return &ast_null_frame;
}
@@ -1606,11 +1606,11 @@ struct ast_frame *ast_rtp_read(struct ast_rtp *rtp)
/* Send to whoever send to us if NAT is turned on */
if (rtp->nat) {
- if ((rtp->them.sin_addr.s_addr != sin.sin_addr.s_addr) ||
- (rtp->them.sin_port != sin.sin_port)) {
- rtp->them = sin;
+ if ((rtp->them.sin_addr.s_addr != sock_in.sin_addr.s_addr) ||
+ (rtp->them.sin_port != sock_in.sin_port)) {
+ rtp->them = sock_in;
if (rtp->rtcp) {
- memcpy(&rtp->rtcp->them, &sin, sizeof(rtp->rtcp->them));
+ memcpy(&rtp->rtcp->them, &sock_in, sizeof(rtp->rtcp->them));
rtp->rtcp->them.sin_port = htons(ntohs(rtp->them.sin_port)+1);
}
rtp->rxseqno = 0;
@@ -1695,9 +1695,9 @@ struct ast_frame *ast_rtp_read(struct ast_rtp *rtp)
if (!rtp->themssrc)
rtp->themssrc = ntohl(rtpheader[2]); /* Record their SSRC to put in future RR */
- if (rtp_debug_test_addr(&sin))
+ if (rtp_debug_test_addr(&sock_in))
ast_verbose("Got RTP packet from %s:%u (type %-2.2d, seq %-6.6u, ts %-6.6u, len %-6.6u)\n",
- ast_inet_ntoa(sin.sin_addr), ntohs(sin.sin_port), payloadtype, seqno, timestamp,res - hdrlen);
+ ast_inet_ntoa(sock_in.sin_addr), ntohs(sock_in.sin_port), payloadtype, seqno, timestamp,res - hdrlen);
rtpPT = ast_rtp_lookup_pt(rtp, payloadtype);
if (!rtpPT.isAstFormat) {
@@ -1706,7 +1706,7 @@ struct ast_frame *ast_rtp_read(struct ast_rtp *rtp)
/* This is special in-band data that's not one of our codecs */
if (rtpPT.code == AST_RTP_DTMF) {
/* It's special -- rfc2833 process it */
- if (rtp_debug_test_addr(&sin)) {
+ if (rtp_debug_test_addr(&sock_in)) {
unsigned char *data;
unsigned int event;
unsigned int event_end;
@@ -1719,7 +1719,7 @@ struct ast_frame *ast_rtp_read(struct ast_rtp *rtp)
event_end >>= 24;
duration = ntohl(*((unsigned int *)(data)));
duration &= 0xFFFF;
- ast_verbose("Got RTP RFC2833 from %s:%u (type %-2.2d, seq %-6.6u, ts %-6.6u, len %-6.6u, mark %d, event %08x, end %d, duration %-5.5d) \n", ast_inet_ntoa(sin.sin_addr), ntohs(sin.sin_port), payloadtype, seqno, timestamp, res - hdrlen, (mark?1:0), event, ((event_end & 0x80)?1:0), duration);
+ ast_verbose("Got RTP RFC2833 from %s:%u (type %-2.2d, seq %-6.6u, ts %-6.6u, len %-6.6u, mark %d, event %08x, end %d, duration %-5.5d) \n", ast_inet_ntoa(sock_in.sin_addr), ntohs(sock_in.sin_port), payloadtype, seqno, timestamp, res - hdrlen, (mark?1:0), event, ((event_end & 0x80)?1:0), duration);
}
f = process_rfc2833(rtp, rtp->rawdata + AST_FRIENDLY_OFFSET + hdrlen, res - hdrlen, seqno, timestamp);
} else if (rtpPT.code == AST_RTP_CISCO_DTMF) {
@@ -1768,7 +1768,7 @@ struct ast_frame *ast_rtp_read(struct ast_rtp *rtp)
unsigned char *header_end;
int num_generations;
int header_length;
- int len;
+ int length;
int diff =(int)seqno - (prev_seqno+1); /* if diff = 0, no drop*/
int x;
@@ -1778,21 +1778,21 @@ struct ast_frame *ast_rtp_read(struct ast_rtp *rtp)
header_length = header_end - data;
num_generations = header_length / 4;
- len = header_length;
+ length = header_length;
if (!diff) {
for (x = 0; x < num_generations; x++)
- len += data[x * 4 + 3];
+ length += data[x * 4 + 3];
- if (!(rtp->f.datalen - len))
+ if (!(rtp->f.datalen - length))
return &ast_null_frame;
- rtp->f.data.ptr += len;
- rtp->f.datalen -= len;
+ rtp->f.data.ptr += length;
+ rtp->f.datalen -= length;
} else if (diff > num_generations && diff < 10) {
- len -= 3;
- rtp->f.data.ptr += len;
- rtp->f.datalen -= len;
+ length -= 3;
+ rtp->f.data.ptr += length;
+ rtp->f.datalen -= length;
data = rtp->f.data.ptr;
*data++ = 0xEF;
@@ -1800,10 +1800,10 @@ struct ast_frame *ast_rtp_read(struct ast_rtp *rtp)
*data = 0xBD;
} else {
for ( x = 0; x < num_generations - diff; x++)
- len += data[x * 4 + 3];
+ length += data[x * 4 + 3];
- rtp->f.data.ptr += len;
- rtp->f.datalen -= len;
+ rtp->f.data.ptr += length;
+ rtp->f.datalen -= length;
}
}
@@ -2530,9 +2530,9 @@ struct ast_rtp *ast_rtp_new(struct sched_context *sched, struct io_context *io,
return ast_rtp_new_with_bindaddr(sched, io, rtcpenable, callbackmode, ia);
}
-int ast_rtp_setqos(struct ast_rtp *rtp, int tos, int cos, char *desc)
+int ast_rtp_setqos(struct ast_rtp *rtp, int type_of_service, int class_of_service, char *desc)
{
- return ast_netsock_set_qos(rtp->s, tos, cos, desc);
+ return ast_netsock_set_qos(rtp->s, type_of_service, class_of_service, desc);
}
void ast_rtp_new_source(struct ast_rtp *rtp)
@@ -2548,7 +2548,8 @@ void ast_rtp_set_peer(struct ast_rtp *rtp, struct sockaddr_in *them)
rtp->them.sin_port = them->sin_port;
rtp->them.sin_addr = them->sin_addr;
if (rtp->rtcp) {
- rtp->rtcp->them.sin_port = htons(ntohs(them->sin_port) + 1);
+ int h = ntohs(them->sin_port);
+ rtp->rtcp->them.sin_port = htons(h + 1);
rtp->rtcp->them.sin_addr = them->sin_addr;
}
rtp->rxseqno = 0;
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-08 20:57:50 +0000