int sdp_to_media_description ( belle_sdp_session_description_t *session_desc, SalMediaDescription *desc ) {
belle_sdp_connection_t* cnx;
belle_sip_list_t* media_desc_it;
belle_sdp_media_description_t* media_desc;
belle_sdp_session_name_t *sname;
const char* value;
desc->n_active_streams = 0;
desc->n_total_streams = 0;
desc->dir = SalStreamSendRecv;
if ( ( cnx=belle_sdp_session_description_get_connection ( session_desc ) ) && belle_sdp_connection_get_address ( cnx ) ) {
strncpy ( desc->addr,belle_sdp_connection_get_address ( cnx ),sizeof ( desc->addr ) -1 );
}
if ( (sname=belle_sdp_session_description_get_session_name(session_desc)) && belle_sdp_session_name_get_value(sname) ){
strncpy(desc->name,belle_sdp_session_name_get_value(sname),sizeof(desc->name) - 1);
}
if ( belle_sdp_session_description_get_bandwidth ( session_desc,"AS" ) >0 ) {
desc->bandwidth=belle_sdp_session_description_get_bandwidth ( session_desc,"AS" );
}
/*in some very rare case, session attribute may set stream dir*/
if ( belle_sdp_session_description_get_attribute ( session_desc,"sendrecv" ) ) {
desc->dir=SalStreamSendRecv;
} else if ( belle_sdp_session_description_get_attribute ( session_desc,"sendonly" ) ) {
desc->dir=SalStreamSendOnly;
} else if ( belle_sdp_session_description_get_attribute ( session_desc,"recvonly" ) ) {
desc->dir=SalStreamRecvOnly;
} else if ( belle_sdp_session_description_get_attribute ( session_desc,"inactive" ) ) {
desc->dir=SalStreamInactive;
}
/* Get ICE remote ufrag and remote pwd, and ice_lite flag */
value=belle_sdp_session_description_get_attribute_value(session_desc,"ice-ufrag");
if (value) strncpy(desc->ice_ufrag, value, sizeof(desc->ice_ufrag) - 1);
value=belle_sdp_session_description_get_attribute_value(session_desc,"ice-pwd");
if (value) strncpy(desc->ice_pwd, value, sizeof(desc->ice_pwd)-1);
value=belle_sdp_session_description_get_attribute_value(session_desc,"ice-lite");
if (value) desc->ice_lite = TRUE;
/* Get session RTCP-XR attributes if any */
sdp_parse_session_rtcp_xr_parameters(session_desc, &desc->rtcp_xr);
for ( media_desc_it=belle_sdp_session_description_get_media_descriptions ( session_desc )
; media_desc_it!=NULL
; media_desc_it=media_desc_it->next ) {
if (desc->n_total_streams==SAL_MEDIA_DESCRIPTION_MAX_STREAMS){
ms_warning("Cannot convert mline at position [%i] from SDP to SalMediaDescription",desc->n_total_streams);
break;
}
media_desc=BELLE_SDP_MEDIA_DESCRIPTION ( media_desc_it->data );
sdp_to_stream_description(desc, media_desc);
}
return 0;
}
int sdp_to_media_description ( belle_sdp_session_description_t *session_desc, SalMediaDescription *desc ) {
belle_sdp_connection_t* cnx;
belle_sip_list_t* media_desc_it;
belle_sdp_media_description_t* media_desc;
belle_sdp_session_name_t *sname;
const char* value;
SalDtlsRole session_role=SalDtlsRoleInvalid;
int i;
desc->nb_streams = 0;
desc->dir = SalStreamSendRecv;
if ( ( cnx=belle_sdp_session_description_get_connection ( session_desc ) ) && belle_sdp_connection_get_address ( cnx ) ) {
strncpy ( desc->addr,belle_sdp_connection_get_address ( cnx ),sizeof ( desc->addr ) -1 );
}
if ( (sname=belle_sdp_session_description_get_session_name(session_desc)) && belle_sdp_session_name_get_value(sname) ){
strncpy(desc->name,belle_sdp_session_name_get_value(sname),sizeof(desc->name) - 1);
}
if ( belle_sdp_session_description_get_bandwidth ( session_desc,"AS" ) >0 ) {
desc->bandwidth=belle_sdp_session_description_get_bandwidth ( session_desc,"AS" );
}
/*in some very rare case, session attribute may set stream dir*/
if ( belle_sdp_session_description_get_attribute ( session_desc,"sendrecv" ) ) {
desc->dir=SalStreamSendRecv;
} else if ( belle_sdp_session_description_get_attribute ( session_desc,"sendonly" ) ) {
desc->dir=SalStreamSendOnly;
} else if ( belle_sdp_session_description_get_attribute ( session_desc,"recvonly" ) ) {
desc->dir=SalStreamRecvOnly;
} else if ( belle_sdp_session_description_get_attribute ( session_desc,"inactive" ) ) {
desc->dir=SalStreamInactive;
}
/*DTLS attributes can be defined at session level.*/
value=belle_sdp_session_description_get_attribute_value(session_desc,"setup");
if (value){
if (strncmp(value, "actpass", 7) == 0) {
session_role = SalDtlsRoleUnset;
} else if (strncmp(value, "active", 6) == 0) {
session_role = SalDtlsRoleIsClient;
} else if (strncmp(value, "passive", 7) == 0) {
session_role = SalDtlsRoleIsServer;
}
}
value=belle_sdp_session_description_get_attribute_value(session_desc,"fingerprint");
/*copy dtls attributes to every streams, might be overwritten stream by stream*/
for (i=0;i<SAL_MEDIA_DESCRIPTION_MAX_STREAMS;i++) {
if (value)
strncpy(desc->streams[i].dtls_fingerprint, value, sizeof(desc->streams[i].dtls_fingerprint));
desc->streams[i].dtls_role=session_role; /*set or reset value*/
}
/* Get ICE remote ufrag and remote pwd, and ice_lite flag */
value=belle_sdp_session_description_get_attribute_value(session_desc,"ice-ufrag");
if (value) strncpy(desc->ice_ufrag, value, sizeof(desc->ice_ufrag) - 1);
value=belle_sdp_session_description_get_attribute_value(session_desc,"ice-pwd");
if (value) strncpy(desc->ice_pwd, value, sizeof(desc->ice_pwd)-1);
value=belle_sdp_session_description_get_attribute_value(session_desc,"ice-lite");
if (value) desc->ice_lite = TRUE;
/* Get session RTCP-XR attributes if any */
sdp_parse_session_rtcp_xr_parameters(session_desc, &desc->rtcp_xr);
for ( media_desc_it=belle_sdp_session_description_get_media_descriptions ( session_desc )
; media_desc_it!=NULL
; media_desc_it=media_desc_it->next ) {
if (desc->nb_streams==SAL_MEDIA_DESCRIPTION_MAX_STREAMS){
ms_warning("Cannot convert mline at position [%i] from SDP to SalMediaDescription",desc->nb_streams);
break;
}
media_desc=BELLE_SDP_MEDIA_DESCRIPTION ( media_desc_it->data );
sdp_to_stream_description(desc, media_desc);
}
return 0;
}