/**
* Returns a media description to run the streams with, based on the local capabilities and
* and the received offer.
* The returned media description is an answer and should be sent to the offerer.
**/
int offer_answer_initiate_incoming(const SalMediaDescription *local_capabilities,
const SalMediaDescription *remote_offer,
SalMediaDescription *result, bool_t one_matching_codec) {
int i;
const SalStreamDescription *ls,*rs;
for(i=0; i<remote_offer->nstreams; ++i) {
rs=&remote_offer->streams[i];
ms_message("Processing for stream %i",i);
ls=sal_media_description_find_stream((SalMediaDescription*)local_capabilities,rs->proto,rs->type);
if (ls) {
initiate_incoming(ls,rs,&result->streams[i],one_matching_codec);
} else {
/* create an inactive stream for the answer, as there where no matching stream a local capability */
result->streams[i].dir=SalStreamInactive;
result->streams[i].port=0;
result->streams[i].type=rs->type;
if (rs->type==SalOther) {
strncpy(result->streams[i].typeother,rs->typeother,sizeof(rs->typeother)-1);
}
}
}
result->nstreams=i;
strcpy(result->username, local_capabilities->username);
strcpy(result->addr,local_capabilities->addr);
result->bandwidth=local_capabilities->bandwidth;
result->session_ver=local_capabilities->session_ver;
result->session_id=local_capabilities->session_id;
return 0;
}
/**
* Returns a media description to run the streams with, based on the local capabilities and
* and the received offer.
* The returned media description is an answer and should be sent to the offerer.
**/
int offer_answer_initiate_incoming(const SalMediaDescription *local_capabilities,
const SalMediaDescription *remote_offer,
SalMediaDescription *result, bool_t one_matching_codec){
int i;
const SalStreamDescription *ls=NULL,*rs;
for(i=0;i<remote_offer->nstreams;++i){
rs=&remote_offer->streams[i];
if (rs->proto!=SalProtoUnknown){
ls=sal_media_description_find_stream((SalMediaDescription*)local_capabilities,rs->proto,rs->type);
/* if matching failed, and remote proposes Avp only, ask for local Savp streams */
if (!ls && rs->proto == SalProtoRtpAvp) {
ls=sal_media_description_find_stream((SalMediaDescription*)local_capabilities,SalProtoRtpSavp,rs->type);
}
}else ms_warning("Unknown protocol for mline %i, declining",i);
if (ls){
initiate_incoming(ls,rs,&result->streams[i],one_matching_codec);
}
else {
/* create an inactive stream for the answer, as there where no matching stream a local capability */
result->streams[i].dir=SalStreamInactive;
result->streams[i].port=0;
result->streams[i].type=rs->type;
result->streams[i].proto=rs->proto;
if (rs->type==SalOther){
strncpy(result->streams[i].typeother,rs->typeother,sizeof(rs->typeother)-1);
}
}
}
result->nstreams=i;
strcpy(result->username, local_capabilities->username);
strcpy(result->addr,local_capabilities->addr);
result->bandwidth=local_capabilities->bandwidth;
result->session_ver=local_capabilities->session_ver;
result->session_id=local_capabilities->session_id;
return 0;
}
/**
* Returns a media description to run the streams with, based on the local capabilities and
* and the received offer.
* The returned media description is an answer and should be sent to the offerer.
**/
int offer_answer_initiate_incoming(MSFactory *factory, const SalMediaDescription *local_capabilities,
const SalMediaDescription *remote_offer,
SalMediaDescription *result, bool_t one_matching_codec){
int i;
const SalStreamDescription *ls=NULL,*rs;
for(i=0;i<remote_offer->nb_streams;++i){
rs = &remote_offer->streams[i];
ls = &local_capabilities->streams[i];
if (ls && rs->type == ls->type && rs->proto == ls->proto){
initiate_incoming(factory, ls,rs,&result->streams[i],one_matching_codec);
// Handle global RTCP FB attributes
result->streams[i].rtcp_fb.generic_nack_enabled = rs->rtcp_fb.generic_nack_enabled;
result->streams[i].rtcp_fb.tmmbr_enabled = rs->rtcp_fb.tmmbr_enabled;
// Handle media RTCP XR attribute
memset(&result->streams[i].rtcp_xr, 0, sizeof(result->streams[i].rtcp_xr));
if (rs->rtcp_xr.enabled == TRUE) {
const OrtpRtcpXrConfiguration *rtcp_xr_conf = NULL;
if (ls->rtcp_xr.enabled == TRUE) rtcp_xr_conf = &ls->rtcp_xr;
else if (local_capabilities->rtcp_xr.enabled == TRUE) rtcp_xr_conf = &local_capabilities->rtcp_xr;
if ((rtcp_xr_conf != NULL) && (ls->dir == SalStreamSendRecv)) {
memcpy(&result->streams[i].rtcp_xr, rtcp_xr_conf, sizeof(result->streams[i].rtcp_xr));
} else {
result->streams[i].rtcp_xr.enabled = TRUE;
}
}
}else {
ms_message("Declining mline %i, no corresponding stream in local capabilities description.",i);
/* create an inactive stream for the answer, as there where no matching stream in local capabilities */
result->streams[i].dir=SalStreamInactive;
result->streams[i].rtp_port=0;
result->streams[i].type=rs->type;
result->streams[i].proto=rs->proto;
if (rs->type==SalOther){
strncpy(result->streams[i].typeother,rs->typeother,sizeof(rs->typeother)-1);
}
if (rs->proto==SalProtoOther){
strncpy(result->streams[i].proto_other,rs->proto_other,sizeof(rs->proto_other)-1);
}
}
result->streams[i].custom_sdp_attributes = sal_custom_sdp_attribute_clone(ls->custom_sdp_attributes);
}
result->nb_streams=i;
strcpy(result->username, local_capabilities->username);
strcpy(result->addr,local_capabilities->addr);
result->bandwidth=local_capabilities->bandwidth;
result->session_ver=local_capabilities->session_ver;
result->session_id=local_capabilities->session_id;
strcpy(result->ice_pwd, local_capabilities->ice_pwd);
strcpy(result->ice_ufrag, local_capabilities->ice_ufrag);
result->ice_lite = local_capabilities->ice_lite;
result->set_nortpproxy = local_capabilities->set_nortpproxy;
result->custom_sdp_attributes = sal_custom_sdp_attribute_clone(local_capabilities->custom_sdp_attributes);
strcpy(result->name,local_capabilities->name);
// Handle session RTCP XR attribute
memset(&result->rtcp_xr, 0, sizeof(result->rtcp_xr));
if (remote_offer->rtcp_xr.enabled == TRUE) {
if ((local_capabilities->rtcp_xr.enabled == TRUE) && (local_capabilities->dir == SalStreamSendRecv)) {
memcpy(&result->rtcp_xr, &local_capabilities->rtcp_xr, sizeof(result->rtcp_xr));
} else {
result->rtcp_xr.enabled = TRUE;
}
}
return 0;
}
/**
* Returns a media description to run the streams with, based on the local capabilities and
* and the received offer.
* The returned media description is an answer and should be sent to the offerer.
**/
int offer_answer_initiate_incoming(const SalMediaDescription *local_capabilities,
const SalMediaDescription *remote_offer,
SalMediaDescription *result, bool_t one_matching_codec) {
int i;
const SalStreamDescription *ls=NULL,*rs;
for(i=0; i<remote_offer->nb_streams; ++i) {
rs=&remote_offer->streams[i];
if (rs->proto!=SalProtoOther) {
ls=find_local_matching_stream(result,local_capabilities,rs);
} else ms_warning("Unknown protocol for mline %i, declining",i);
if (ls) {
initiate_incoming(ls,rs,&result->streams[i],one_matching_codec);
// Handle media RTCP XR attribute
memset(&result->streams[i].rtcp_xr, 0, sizeof(result->streams[i].rtcp_xr));
if (rs->rtcp_xr.enabled == TRUE) {
const OrtpRtcpXrConfiguration *rtcp_xr_conf = NULL;
if (ls->rtcp_xr.enabled == TRUE) rtcp_xr_conf = &ls->rtcp_xr;
else if (local_capabilities->rtcp_xr.enabled == TRUE) rtcp_xr_conf = &local_capabilities->rtcp_xr;
if ((rtcp_xr_conf != NULL) && (ls->dir == SalStreamSendRecv)) {
memcpy(&result->streams[i].rtcp_xr, rtcp_xr_conf, sizeof(result->streams[i].rtcp_xr));
} else {
result->streams[i].rtcp_xr.enabled = TRUE;
}
}
} else {
ms_message("Declining mline %i, no corresponding stream in local capabilities description.",i);
/* create an inactive stream for the answer, as there where no matching stream in local capabilities */
result->streams[i].dir=SalStreamInactive;
result->streams[i].rtp_port=0;
result->streams[i].type=rs->type;
result->streams[i].proto=rs->proto;
if (rs->type==SalOther) {
strncpy(result->streams[i].typeother,rs->typeother,sizeof(rs->typeother)-1);
}
if (rs->proto==SalProtoOther) {
strncpy(result->streams[i].proto_other,rs->proto_other,sizeof(rs->proto_other)-1);
}
}
}
result->nb_streams=i;
strcpy(result->username, local_capabilities->username);
strcpy(result->addr,local_capabilities->addr);
result->bandwidth=local_capabilities->bandwidth;
result->session_ver=local_capabilities->session_ver;
result->session_id=local_capabilities->session_id;
strcpy(result->ice_pwd, local_capabilities->ice_pwd);
strcpy(result->ice_ufrag, local_capabilities->ice_ufrag);
result->ice_lite = local_capabilities->ice_lite;
result->ice_completed = local_capabilities->ice_completed;
strcpy(result->name,local_capabilities->name);
// Handle session RTCP XR attribute
memset(&result->rtcp_xr, 0, sizeof(result->rtcp_xr));
if (remote_offer->rtcp_xr.enabled == TRUE) {
if ((local_capabilities->rtcp_xr.enabled == TRUE) && (local_capabilities->dir == SalStreamSendRecv)) {
memcpy(&result->rtcp_xr, &local_capabilities->rtcp_xr, sizeof(result->rtcp_xr));
} else {
result->rtcp_xr.enabled = TRUE;
}
}
return 0;
}
