std::string SdpEndpointImpl::processAnswer (const std::string &answer)
{
GstSDPMessage *answerSdp;
std::string resultStr;
bool expected = true;
bool expected_false = false;
if (!waitingAnswer.compare_exchange_strong (expected, true) ) {
//offer not generated
throw KurentoException (SDP_END_POINT_NOT_OFFER_GENERATED,
"Offer not generated. It is not possible to process an answer.");
}
if (!answerProcessed.compare_exchange_strong (expected_false, true) ) {
//the endpoint is already negotiated
throw KurentoException (SDP_END_POINT_ANSWER_ALREADY_PROCCESED,
"Sdp Answer already processed");
}
answerSdp = str_to_sdp (answer);
g_signal_emit_by_name (element, "process-answer", answerSdp, NULL);
gst_sdp_message_free (answerSdp);
MediaSessionStarted event (shared_from_this(), MediaSessionStarted::getName() );
signalMediaSessionStarted (event);
return getLocalSessionDescriptor ();
}
std::string SdpEndpointImpl::processOffer (const std::string &offer)
{
GstSDPMessage *offerSdp = NULL, *result = NULL;
std::string offerSdpStr;
bool expected = false;
if (!offerInProcess.compare_exchange_strong (expected, true) ) {
//the endpoint is already negotiated
throw KurentoException (SDP_END_POINT_ALREADY_NEGOTIATED,
"Endpoint already negotiated");
}
offerSdp = str_to_sdp (offer);
g_signal_emit_by_name (element, "process-offer", offerSdp, &result);
gst_sdp_message_free (offerSdp);
if (result == NULL) {
offerInProcess = false;
throw KurentoException (SDP_END_POINT_PROCESS_OFFER_ERROR,
"Error processing offer");
}
sdp_to_str (offerSdpStr, result);
gst_sdp_message_free (result);
MediaSessionStarted event (shared_from_this(), MediaSessionStarted::getName() );
signalMediaSessionStarted (event);
return offerSdpStr;
}
std::string SdpEndpointImpl::processAnswer (const std::string &answer)
{
GstSDPMessage *answerSdp;
std::string resultStr;
answerSdp = str_to_sdp (answer);
g_signal_emit_by_name (element, "process-answer", answerSdp, NULL);
gst_sdp_message_free (answerSdp);
MediaSessionStarted event (shared_from_this(), MediaSessionStarted::getName() );
signalMediaSessionStarted (event);
return getLocalSessionDescriptor ();
}
std::string SdpEndpointImpl::processOffer (const std::string &offer)
{
GstSDPMessage *offerSdp = NULL, *result = NULL;
std::string offerSdpStr;
offerSdp = str_to_sdp (offer);
g_signal_emit_by_name (element, "process-offer", offerSdp, &result);
gst_sdp_message_free (offerSdp);
if (result == NULL) {
throw KurentoException (SDP_END_POINT_PROCESS_OFFER_ERROR,
"Error processing offer");
}
sdp_to_str (offerSdpStr, result);
gst_sdp_message_free (result);
MediaSessionStarted event (shared_from_this(), MediaSessionStarted::getName() );
signalMediaSessionStarted (event);
return offerSdpStr;
}