bool
SipccSdpAttributeList::LoadSimulcast(sdp_t* sdp,
uint16_t level,
SdpErrorHolder& errorHolder)
{
const char* simulcastRaw = sdp_attr_get_simple_string(sdp,
SDP_ATTR_SIMULCAST,
level,
0,
1);
if (!simulcastRaw) {
return true;
}
UniquePtr<SdpSimulcastAttribute> simulcast(
new SdpSimulcastAttribute);
std::istringstream is(simulcastRaw);
std::string error;
if (!simulcast->Parse(is, &error)) {
std::ostringstream fullError;
fullError << error << " at column " << is.tellg();
errorHolder.AddParseError(
sdp_attr_line_number(sdp, SDP_ATTR_SIMULCAST, level, 0, 1),
fullError.str());
return false;
}
SetAttribute(simulcast.release());
return true;
}
/* static */
void
JsepTrack::AddToMsection(const std::vector<JsConstraints>& constraintsList,
sdp::Direction direction,
SdpMediaSection* msection)
{
UniquePtr<SdpSimulcastAttribute> simulcast(new SdpSimulcastAttribute);
UniquePtr<SdpRidAttributeList> rids(new SdpRidAttributeList);
for (const JsConstraints& constraints : constraintsList) {
if (!constraints.rid.empty()) {
SdpRidAttributeList::Rid rid;
rid.id = constraints.rid;
rid.direction = direction;
rids->mRids.push_back(rid);
SdpSimulcastAttribute::Version version;
version.choices.push_back(constraints.rid);
if (direction == sdp::kSend) {
simulcast->sendVersions.push_back(version);
} else {
simulcast->recvVersions.push_back(version);
}
}
}
if (!rids->mRids.empty()) {
msection->GetAttributeList().SetAttribute(simulcast.release());
msection->GetAttributeList().SetAttribute(rids.release());
}
}
