diff options
author | markster <markster@f38db490-d61c-443f-a65b-d21fe96a405b> | 2003-06-28 16:40:02 +0000 |
---|---|---|
committer | markster <markster@f38db490-d61c-443f-a65b-d21fe96a405b> | 2003-06-28 16:40:02 +0000 |
commit | 63170c4333b792805df5170e43d516b479a75421 (patch) | |
tree | 350126d47aecc8eeeaca9794943d8d2640d37670 /channels/chan_sip.c | |
parent | efde31a9908909b35ee154afe257030a56a6c520 (diff) |
Add SIP/RTP video support, video enable app_echo, start on RTCP
git-svn-id: http://svn.digium.com/svn/asterisk/trunk@1128 f38db490-d61c-443f-a65b-d21fe96a405b
Diffstat (limited to 'channels/chan_sip.c')
-rwxr-xr-x | channels/chan_sip.c | 295 |
1 files changed, 229 insertions, 66 deletions
diff --git a/channels/chan_sip.c b/channels/chan_sip.c index 6ff15bcac..35a506aeb 100755 --- a/channels/chan_sip.c +++ b/channels/chan_sip.c @@ -114,7 +114,7 @@ static pthread_t monitor_thread = 0; static int restart_monitor(void); /* Codecs that we support by default: */ -static int capability = AST_FORMAT_ULAW | AST_FORMAT_ALAW | AST_FORMAT_GSM; +static int capability = AST_FORMAT_ULAW | AST_FORMAT_ALAW | AST_FORMAT_GSM | AST_FORMAT_H261; static int noncodeccapability = AST_RTP_DTMF; static char ourhost[256]; @@ -125,6 +125,8 @@ static int sipdebug = 0; static int tos = 0; +static int videosupport = 0; + static int globaldtmfmode = SIP_DTMF_RFC2833; /* Expire slowly */ @@ -186,6 +188,7 @@ static struct sip_pvt { int nat; /* Whether to try to support NAT */ struct sockaddr_in sa; /* Our peer */ struct sockaddr_in redirip; /* Where our RTP should be going if not to us */ + struct sockaddr_in vredirip; /* Where our Video RTP should be going if not to us */ struct sockaddr_in recv; /* Received as */ struct in_addr ourip; /* Our IP */ struct ast_channel *owner; /* Who owns us */ @@ -233,6 +236,7 @@ static struct sip_pvt { struct sip_peer *peerpoke; /* If this calls is to poke a peer, which one */ struct sip_registry *registry; /* If this is a REGISTER call, to which registry */ struct ast_rtp *rtp; /* RTP Session */ + struct ast_rtp *vrtp; /* Video RTP session */ struct sip_pkt *packets; /* Packets scheduled for re-transmission */ struct sip_pvt *next; } *iflist = NULL; @@ -367,7 +371,7 @@ static int transmit_response_with_auth(struct sip_pvt *p, char *msg, struct sip_ static int transmit_request(struct sip_pvt *p, char *msg, int inc, int reliable); static int transmit_request_with_auth(struct sip_pvt *p, char *msg, int inc, int reliable); static int transmit_invite(struct sip_pvt *p, char *msg, int sendsdp, char *auth, char *vxml_url,char *distinctive_ring); -static int transmit_reinvite_with_sdp(struct sip_pvt *p, struct ast_rtp *rtp); +static int transmit_reinvite_with_sdp(struct sip_pvt *p, struct ast_rtp *rtp, struct ast_rtp *vrtp); static int transmit_info_with_digit(struct sip_pvt *p, char digit); static int transmit_message_with_text(struct sip_pvt *p, char *text); static int transmit_refer(struct sip_pvt *p, char *dest); @@ -612,6 +616,10 @@ static int create_addr(struct sip_pvt *r, char *peer) ast_log(LOG_DEBUG, "Setting NAT on RTP to %d\n", r->nat); ast_rtp_setnat(r->rtp, r->nat); } + if (r->vrtp) { + ast_log(LOG_DEBUG, "Setting NAT on VRTP to %d\n", r->nat); + ast_rtp_setnat(r->vrtp, r->nat); + } strncpy(r->peername, p->username, sizeof(r->peername)-1); strncpy(r->peersecret, p->secret, sizeof(r->peersecret)-1); strncpy(r->username, p->username, sizeof(r->username)-1); @@ -761,6 +769,7 @@ static int sip_pref_append(int format) static int sip_codec_choose(int formats) { struct sip_codec_pref *cur; + formats &= (AST_FORMAT_MAX_AUDIO - 1); cur = prefs; while(cur) { if (formats & cur->codec) @@ -828,6 +837,9 @@ static void __sip_destroy(struct sip_pvt *p, int lockowner) if (p->rtp) { ast_rtp_destroy(p->rtp); } + if (p->vrtp) { + ast_rtp_destroy(p->vrtp); + } if (p->route) { free_old_route(p->route); p->route = NULL; @@ -965,31 +977,42 @@ static int sip_write(struct ast_channel *ast, struct ast_frame *frame) { struct sip_pvt *p = ast->pvt->pvt; int res = 0; - if (frame->frametype != AST_FRAME_VOICE) { - if (frame->frametype == AST_FRAME_IMAGE) - return 0; - else { - ast_log(LOG_WARNING, "Can't send %d type frames with SIP write\n", frame->frametype); - return 0; - } - } else { + if (frame->frametype == AST_FRAME_VOICE) { if (!(frame->subclass & ast->nativeformats)) { ast_log(LOG_WARNING, "Asked to transmit frame type %d, while native formats is %d (read/write = %d/%d)\n", frame->subclass, ast->nativeformats, ast->readformat, ast->writeformat); return -1; } - } - if (p) { - ast_pthread_mutex_lock(&p->lock); - if (p->rtp) { - if ((ast->_state != AST_STATE_UP) && !p->progress && !p->outgoing) { - transmit_response_with_sdp(p, "183 Session Progress", &p->initreq, 0); - p->progress = 1; + if (p) { + ast_pthread_mutex_lock(&p->lock); + if (p->rtp) { + if ((ast->_state != AST_STATE_UP) && !p->progress && !p->outgoing) { + transmit_response_with_sdp(p, "183 Session Progress", &p->initreq, 0); + p->progress = 1; + } + res = ast_rtp_write(p->rtp, frame); } - res = ast_rtp_write(p->rtp, frame); + ast_pthread_mutex_unlock(&p->lock); } - ast_pthread_mutex_unlock(&p->lock); + } else if (frame->frametype == AST_FRAME_VIDEO) { + if (p) { + ast_pthread_mutex_lock(&p->lock); + if (p->vrtp) { + if ((ast->_state != AST_STATE_UP) && !p->progress && !p->outgoing) { + transmit_response_with_sdp(p, "183 Session Progress", &p->initreq, 0); + p->progress = 1; + } + res = ast_rtp_write(p->vrtp, frame); + } + ast_pthread_mutex_unlock(&p->lock); + } + } else if (frame->frametype == AST_FRAME_IMAGE) { + return 0; + } else { + ast_log(LOG_WARNING, "Can't send %d type frames with SIP write\n", frame->frametype); + return 0; } + return res; } @@ -1109,6 +1132,11 @@ static struct ast_channel *sip_new(struct sip_pvt *i, int state, char *title) ast_dsp_set_features(i->vad, DSP_FEATURE_DTMF_DETECT); } tmp->fds[0] = ast_rtp_fd(i->rtp); + tmp->fds[1] = ast_rtcp_fd(i->rtp); + if (i->vrtp) { + tmp->fds[2] = ast_rtp_fd(i->vrtp); + tmp->fds[3] = ast_rtcp_fd(i->vrtp); + } ast_setstate(tmp, state); if (state == AST_STATE_RING) tmp->rings = 1; @@ -1124,6 +1152,7 @@ static struct ast_channel *sip_new(struct sip_pvt *i, int state, char *title) tmp->pvt->answer = sip_answer; tmp->pvt->read = sip_read; tmp->pvt->write = sip_write; + tmp->pvt->write_video = sip_write; tmp->pvt->indicate = sip_indicate; tmp->pvt->transfer = sip_transfer; tmp->pvt->fixup = sip_fixup; @@ -1245,12 +1274,27 @@ static char *get_header(struct sip_request *req, char *name) return __get_header(req, name, &start); } -static struct ast_frame *sip_rtp_read(struct sip_pvt *p) +static struct ast_frame *sip_rtp_read(struct ast_channel *ast, struct sip_pvt *p) { /* Retrieve audio/etc from channel. Assumes p->lock is already held. */ struct ast_frame *f; static struct ast_frame null_frame = { AST_FRAME_NULL, }; - f = ast_rtp_read(p->rtp); + switch(ast->fdno) { + case 0: + f = ast_rtp_read(p->rtp); + break; + case 1: + f = ast_rtcp_read(p->rtp); + break; + case 2: + f = ast_rtp_read(p->vrtp); + break; + case 3: + f = ast_rtcp_read(p->vrtp); + break; + default: + f = &null_frame; + } /* Don't send RFC2833 if we're not supposed to */ if (f && (f->frametype == AST_FRAME_DTMF) && !(p->dtmfmode & SIP_DTMF_RFC2833)) return &null_frame; @@ -1276,7 +1320,7 @@ static struct ast_frame *sip_read(struct ast_channel *ast) struct ast_frame *fr; struct sip_pvt *p = ast->pvt->pvt; ast_pthread_mutex_lock(&p->lock); - fr = sip_rtp_read(p); + fr = sip_rtp_read(ast, p); ast_pthread_mutex_unlock(&p->lock); return fr; } @@ -1308,7 +1352,9 @@ static struct sip_pvt *sip_alloc(char *callid, struct sockaddr_in *sin, int useg p->initid = -1; p->autokillid = -1; p->stateid = -1; - p->rtp = ast_rtp_new(NULL, NULL); + p->rtp = ast_rtp_new(sched, io, 1, 0); + if (videosupport) + p->vrtp = ast_rtp_new(sched, io, 1, 0); p->branch = rand(); p->tag = rand(); @@ -1320,17 +1366,18 @@ static struct sip_pvt *sip_alloc(char *callid, struct sockaddr_in *sin, int useg return NULL; } ast_rtp_settos(p->rtp, tos); + if (p->vrtp) + ast_rtp_settos(p->vrtp, tos); if (useglobalnat && sin) { /* Setup NAT structure according to global settings if we have an address */ p->nat = globalnat; memcpy(&p->recv, sin, sizeof(p->recv)); ast_rtp_setnat(p->rtp, p->nat); + if (p->vrtp) + ast_rtp_setnat(p->vrtp, p->nat); } ast_pthread_mutex_init(&p->lock); -#if 0 - ast_rtp_set_data(p->rtp, p); - ast_rtp_set_callback(p->rtp, rtpready); -#endif + if (sin) { memcpy(&p->sa, sin, sizeof(p->sa)); if (ast_ouraddrfor(&p->sa.sin_addr,&p->ourip)) @@ -1554,13 +1601,16 @@ static int process_sdp(struct sip_pvt *p, struct sip_request *req) char *a; char host[258]; int len = -1; - int portno; + int portno=0; + int vportno=0; int peercapability, peernoncodeccapability; + int vpeercapability, vpeernoncodeccapability; struct sockaddr_in sin; char *codecs; struct hostent *hp; int codec; int iterator; + int x; /* Get codec and RTP info from SDP */ if (strcasecmp(get_header(req, "Content-Type"), "application/sdp")) { @@ -1583,51 +1633,85 @@ static int process_sdp(struct sip_pvt *p, struct sip_request *req) ast_log(LOG_WARNING, "Unable to lookup host in c= line, '%s'\n", c); return -1; } - if ((sscanf(m, "audio %d RTP/AVP %n", &portno, &len) != 1) || (len < 0)) { - ast_log(LOG_WARNING, "Unable to determine port number for RTP in '%s'\n", m); - return -1; + sdpLineNum_iterator_init(&iterator); + while ((m = get_sdp_iterate(&iterator, req, "m"))[0] != '\0') { + if ((sscanf(m, "audio %d RTP/AVP %n", &x, &len) == 1)) { + portno = x; + // Scan through the RTP payload types specified in a "m=" line: + ast_rtp_pt_clear(p->rtp); + codecs = m + len; + while(strlen(codecs)) { + if (sscanf(codecs, "%d%n", &codec, &len) != 1) { + ast_log(LOG_WARNING, "Error in codec string '%s'\n", codecs); + return -1; + } + if (sipdebug) + ast_verbose("Found audio format %d\n", codec); + ast_rtp_set_m_type(p->rtp, codec); + codecs += len; + /* Skip over any whitespace */ + while(*codecs && (*codecs < 33)) codecs++; + } + } + if (p->vrtp && (sscanf(m, "video %d RTP/AVP %n", &x, &len) == 1)) { + vportno = x; + // Scan through the RTP payload types specified in a "m=" line: + ast_rtp_pt_clear(p->vrtp); + codecs = m + len; + while(strlen(codecs)) { + if (sscanf(codecs, "%d%n", &codec, &len) != 1) { + ast_log(LOG_WARNING, "Error in codec string '%s'\n", codecs); + return -1; + } + if (sipdebug) + ast_verbose("Found video format %d\n", codec); + ast_rtp_set_m_type(p->vrtp, codec); + codecs += len; + /* Skip over any whitespace */ + while(*codecs && (*codecs < 33)) codecs++; + } + } } sin.sin_family = AF_INET; memcpy(&sin.sin_addr, hp->h_addr, sizeof(sin.sin_addr)); + /* Setup audio port number */ sin.sin_port = htons(portno); - if (p->rtp) + if (p->rtp && sin.sin_port) ast_rtp_set_peer(p->rtp, &sin); + /* Setup video port number */ + sin.sin_port = htons(vportno); + if (p->vrtp && sin.sin_port) + ast_rtp_set_peer(p->vrtp, &sin); #if 0 printf("Peer RTP is at port %s:%d\n", inet_ntoa(sin.sin_addr), ntohs(sin.sin_port)); #endif - // Scan through the RTP payload types specified in a "m=" line: - ast_rtp_pt_clear(p->rtp); - codecs = m + len; - while(strlen(codecs)) { - if (sscanf(codecs, "%d%n", &codec, &len) != 1) { - ast_log(LOG_WARNING, "Error in codec string '%s'\n", codecs); - return -1; - } - ast_rtp_set_m_type(p->rtp, codec); - codecs += len; - /* Skip over any whitespace */ - while(*codecs && (*codecs < 33)) codecs++; - } - // Next, scan through each "a=rtpmap:" line, noting each // specified RTP payload type (with corresponding MIME subtype): sdpLineNum_iterator_init(&iterator); while ((a = get_sdp_iterate(&iterator, req, "a"))[0] != '\0') { - char* mimeSubtype = strdup(a); // ensures we have enough space + char* mimeSubtype = ast_strdupa(a); // ensures we have enough space + if (sipdebug) + ast_verbose("Pre-Found description format %s\n", mimeSubtype); if (sscanf(a, "rtpmap: %u %[^/]/", &codec, mimeSubtype) != 2) continue; + if (sipdebug) + ast_verbose("Found description format %s\n", mimeSubtype); // Note: should really look at the 'freq' and '#chans' params too ast_rtp_set_rtpmap_type(p->rtp, codec, "audio", mimeSubtype); - free(mimeSubtype); + if (p->vrtp) + ast_rtp_set_rtpmap_type(p->vrtp, codec, "video", mimeSubtype); } // Now gather all of the codecs that were asked for: ast_rtp_get_current_formats(p->rtp, &peercapability, &peernoncodeccapability); - p->capability = capability & peercapability; - p->noncodeccapability = noncodeccapability & peernoncodeccapability; + ast_rtp_get_current_formats(p->vrtp, + &vpeercapability, &vpeernoncodeccapability); + p->capability = capability & (peercapability | vpeercapability); + p->noncodeccapability = noncodeccapability & (peernoncodeccapability | vpeernoncodeccapability); + if (sipdebug) { - ast_verbose("Capabilities: us - %d, them - %d, combined - %d\n", - capability, peercapability, p->capability); + ast_verbose("Capabilities: us - %d, them - %d/%d, combined - %d\n", + capability, peercapability, vpeercapability, p->capability); ast_verbose("Non-codec capabilities: us - %d, them - %d, combined - %d\n", noncodeccapability, peernoncodeccapability, p->noncodeccapability); @@ -2114,13 +2198,14 @@ static int add_digit(struct sip_request *req, char digit) return 0; } -static int add_sdp(struct sip_request *resp, struct sip_pvt *p, struct ast_rtp *rtp) +static int add_sdp(struct sip_request *resp, struct sip_pvt *p, struct ast_rtp *rtp, struct ast_rtp *vrtp) { int len; int codec; int alreadysent = 0; char costr[80]; struct sockaddr_in sin; + struct sockaddr_in vsin; struct sip_codec_pref *cur; char v[256]; char s[256]; @@ -2128,9 +2213,12 @@ static int add_sdp(struct sip_request *resp, struct sip_pvt *p, struct ast_rtp * char c[256]; char t[256]; char m[256]; + char m2[256]; char a[1024] = ""; + char a2[1024] = ""; int x; struct sockaddr_in dest; + struct sockaddr_in vdest; /* XXX We break with the "recommendation" and send our IP, in order that our peer doesn't have to gethostbyname() us XXX */ len = 0; @@ -2139,6 +2227,9 @@ static int add_sdp(struct sip_request *resp, struct sip_pvt *p, struct ast_rtp * return -1; } ast_rtp_get_us(p->rtp, &sin); + if (p->vrtp) + ast_rtp_get_us(p->vrtp, &vsin); + if (p->redirip.sin_addr.s_addr) { dest.sin_port = p->redirip.sin_port; dest.sin_addr = p->redirip.sin_addr; @@ -2148,14 +2239,30 @@ static int add_sdp(struct sip_request *resp, struct sip_pvt *p, struct ast_rtp * dest.sin_addr = p->ourip; dest.sin_port = sin.sin_port; } + + /* Determine video destination */ + if (p->vrtp) { + if (p->vredirip.sin_addr.s_addr) { + vdest.sin_port = p->vredirip.sin_port; + vdest.sin_addr = p->vredirip.sin_addr; + } else if (vrtp) { + ast_rtp_get_peer(vrtp, &vdest); + } else { + vdest.sin_addr = p->ourip; + vdest.sin_port = vsin.sin_port; + } + } if (sipdebug) ast_verbose("We're at %s port %d\n", inet_ntoa(p->ourip), ntohs(sin.sin_port)); + if (sipdebug && p->vrtp) + ast_verbose("Video is at %s port %d\n", inet_ntoa(p->ourip), ntohs(vsin.sin_port)); snprintf(v, sizeof(v), "v=0\r\n"); snprintf(o, sizeof(o), "o=root %d %d IN IP4 %s\r\n", getpid(), getpid(), inet_ntoa(dest.sin_addr)); snprintf(s, sizeof(s), "s=session\r\n"); snprintf(c, sizeof(c), "c=IN IP4 %s\r\n", inet_ntoa(dest.sin_addr)); snprintf(t, sizeof(t), "t=0 0\r\n"); snprintf(m, sizeof(m), "m=audio %d RTP/AVP", ntohs(dest.sin_port)); + snprintf(m2, sizeof(m2), "m=video %d RTP/AVP", ntohs(vdest.sin_port)); /* Start by sending our preferred codecs */ cur = prefs; while(cur) { @@ -2165,9 +2272,15 @@ static int add_sdp(struct sip_request *resp, struct sip_pvt *p, struct ast_rtp * codec = ast_rtp_lookup_code(p->rtp, 1, cur->codec); if (codec > -1) { snprintf(costr, sizeof(costr), " %d", codec); - strcat(m, costr); - snprintf(costr, sizeof(costr), "a=rtpmap:%d %s/8000\r\n", codec, ast_rtp_lookup_mime_subtype(1, cur->codec)); - strcat(a, costr); + if (cur->codec < AST_FORMAT_MAX_AUDIO) { + strcat(m, costr); + snprintf(costr, sizeof(costr), "a=rtpmap:%d %s/8000\r\n", codec, ast_rtp_lookup_mime_subtype(1, cur->codec)); + strcat(a, costr); + } else { + strcat(m2, costr); + snprintf(costr, sizeof(costr), "a=rtpmap:%d %s/90000\r\n", codec, ast_rtp_lookup_mime_subtype(1, cur->codec)); + strcat(a2, costr); + } } } alreadysent |= cur->codec; @@ -2180,10 +2293,16 @@ static int add_sdp(struct sip_request *resp, struct sip_pvt *p, struct ast_rtp * ast_verbose("Answering with capability %d\n", x); codec = ast_rtp_lookup_code(p->rtp, 1, x); if (codec > -1) { - snprintf(costr, sizeof(costr), " %d", codec); - strcat(m, costr); - snprintf(costr, sizeof(costr), "a=rtpmap:%d %s/8000\r\n", codec, ast_rtp_lookup_mime_subtype(1, x)); - strcat(a, costr); + snprintf(costr, sizeof(costr), " %d", codec); + if (x < AST_FORMAT_MAX_AUDIO) { + strcat(m, costr); + snprintf(costr, sizeof(costr), "a=rtpmap:%d %s/8000\r\n", codec, ast_rtp_lookup_mime_subtype(1, x)); + strcat(a, costr); + } else { + strcat(m2, costr); + snprintf(costr, sizeof(costr), "a=rtpmap:%d %s/90000\r\n", codec, ast_rtp_lookup_mime_subtype(1, x)); + strcat(a2, costr); + } } } } @@ -2207,7 +2326,10 @@ static int add_sdp(struct sip_request *resp, struct sip_pvt *p, struct ast_rtp * } } strcat(m, "\r\n"); + strcat(m2, "\r\n"); len = strlen(v) + strlen(s) + strlen(o) + strlen(c) + strlen(t) + strlen(m) + strlen(a); + if (p->vrtp) + len += strlen(m2) + strlen(a2); snprintf(costr, sizeof(costr), "%d", len); add_header(resp, "Content-Type", "application/sdp"); add_header(resp, "Content-Length", costr); @@ -2218,6 +2340,10 @@ static int add_sdp(struct sip_request *resp, struct sip_pvt *p, struct ast_rtp * add_line(resp, t); add_line(resp, m); add_line(resp, a); + if (p->vrtp) { + add_line(resp, m2); + add_line(resp, a2); + } return 0; } @@ -2244,7 +2370,7 @@ static int transmit_response_with_sdp(struct sip_pvt *p, char *msg, struct sip_r return -1; } respprep(&resp, p, msg, req); - add_sdp(&resp, p, NULL); + add_sdp(&resp, p, NULL, NULL); return send_response(p, &resp, retrans, seqno); } @@ -2307,14 +2433,14 @@ static int determine_firstline_parts( struct sip_request *req ) { return 1; } -static int transmit_reinvite_with_sdp(struct sip_pvt *p, struct ast_rtp *rtp) +static int transmit_reinvite_with_sdp(struct sip_pvt *p, struct ast_rtp *rtp, struct ast_rtp *vrtp) { struct sip_request req; if (p->canreinvite == REINVITE_UPDATE) reqprep(&req, p, "UPDATE", 0); else reqprep(&req, p, "INVITE", 0); - add_sdp(&req, p, rtp); + add_sdp(&req, p, rtp, vrtp); /* Use this as the basis */ copy_request(&p->initreq, &req); parse(&p->initreq); @@ -2410,7 +2536,7 @@ static int transmit_invite(struct sip_pvt *p, char *cmd, int sdp, char *auth, ch add_header(&req, "Alert-info",distinctive_ring); } if (sdp) { - add_sdp(&req, p, NULL); + add_sdp(&req, p, NULL, NULL); } else { add_header(&req, "Content-Length", "0"); add_blank_header(&req); @@ -3437,6 +3563,10 @@ static int check_user(struct sip_pvt *p, struct sip_request *req, char *cmd, cha ast_log(LOG_DEBUG, "Setting NAT on RTP to %d\n", p->nat); ast_rtp_setnat(p->rtp, p->nat); } + if (p->vrtp) { + ast_log(LOG_DEBUG, "Setting NAT on VRTP to %d\n", p->nat); + ast_rtp_setnat(p->vrtp, p->nat); + } if (!(res = check_auth(p, req, p->randdata, sizeof(p->randdata), user->name, user->secret, cmd, uri, reliable))) { sip_cancel_destroy(p); if (strlen(user->context)) @@ -3475,6 +3605,10 @@ static int check_user(struct sip_pvt *p, struct sip_request *req, char *cmd, cha ast_log(LOG_DEBUG, "Setting NAT on RTP to %d\n", p->nat); ast_rtp_setnat(p->rtp, p->nat); } + if (p->vrtp) { + ast_log(LOG_DEBUG, "Setting NAT on VRTP to %d\n", p->nat); + ast_rtp_setnat(p->vrtp, p->nat); + } p->canreinvite = peer->canreinvite; strncpy(p->username, peer->name, sizeof(p->username) - 1); if (strlen(peer->context)) @@ -4124,6 +4258,10 @@ static void handle_response(struct sip_pvt *p, int resp, char *rest, struct sip_ /* Immediately stop RTP */ ast_rtp_stop(p->rtp); } + if (p->vrtp) { + /* Immediately stop VRTP */ + ast_rtp_stop(p->vrtp); + } /* XXX Locking issues?? XXX */ switch(resp) { case 302: /* Moved temporarily */ @@ -4466,6 +4604,10 @@ static int handle_request(struct sip_pvt *p, struct sip_request *req, struct soc /* Immediately stop RTP */ ast_rtp_stop(p->rtp); } + if (p->vrtp) { + /* Immediately stop VRTP */ + ast_rtp_stop(p->vrtp); + } if (p->owner) ast_queue_hangup(p->owner, 0); transmit_response(p, "200 OK", req); @@ -4478,6 +4620,10 @@ static int handle_request(struct sip_pvt *p, struct sip_request *req, struct soc /* Immediately stop RTP */ ast_rtp_stop(p->rtp); } + if (p->vrtp) { + /* Immediately stop VRTP */ + ast_rtp_stop(p->vrtp); + } if (p->owner) ast_queue_hangup(p->owner, 0); transmit_response(p, "200 OK", req); @@ -5238,6 +5384,7 @@ static int reload_config(void) strcpy(language, ""); strcpy(fromdomain, ""); globalcanreinvite = REINVITE_INVITE; + videosupport = 0; v = ast_variable_browse(cfg, "general"); while(v) { /* Create the interface list */ @@ -5254,6 +5401,8 @@ static int reload_config(void) ast_log(LOG_WARNING, "Unknown dtmf mode '%s', using rfc2833\n", v->value); globaldtmfmode = SIP_DTMF_RFC2833; } + } else if (!strcasecmp(v->name, "videosupport")) { + videosupport = ast_true(v->value); } else if (!strcasecmp(v->name, "notifymimetype")) { strncpy(notifymime, v->value, sizeof(notifymime) - 1); } else if (!strcasecmp(v->name, "language")) { @@ -5422,7 +5571,16 @@ static struct ast_rtp *sip_get_rtp_peer(struct ast_channel *chan) return NULL; } -static int sip_set_rtp_peer(struct ast_channel *chan, struct ast_rtp *rtp) +static struct ast_rtp *sip_get_vrtp_peer(struct ast_channel *chan) +{ + struct sip_pvt *p; + p = chan->pvt->pvt; + if (p && p->vrtp && p->canreinvite) + return p->vrtp; + return NULL; +} + +static int sip_set_rtp_peer(struct ast_channel *chan, struct ast_rtp *rtp, struct ast_rtp *vrtp) { struct sip_pvt *p; p = chan->pvt->pvt; @@ -5431,7 +5589,11 @@ static int sip_set_rtp_peer(struct ast_channel *chan, struct ast_rtp *rtp) ast_rtp_get_peer(rtp, &p->redirip); else memset(&p->redirip, 0, sizeof(p->redirip)); - transmit_reinvite_with_sdp(p, rtp); + if (vrtp) + ast_rtp_get_peer(vrtp, &p->vredirip); + else + memset(&p->vredirip, 0, sizeof(p->vredirip)); + transmit_reinvite_with_sdp(p, rtp, vrtp); p->outgoing = 1; return 0; } @@ -5440,6 +5602,7 @@ static int sip_set_rtp_peer(struct ast_channel *chan, struct ast_rtp *rtp) static struct ast_rtp_protocol sip_rtp = { get_rtp_info: sip_get_rtp_peer, + get_vrtp_info: sip_get_vrtp_peer, set_rtp_peer: sip_set_rtp_peer, }; |