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Add CName parsing from ssrc

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This commit is contained in:
Filip Klembara
2021-06-01 11:27:41 +02:00
parent e6a9650523
commit 34469d16ae
2 changed files with 14 additions and 10 deletions
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1
include/rtc/description.hpp
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@ -196,6 +196,7 @@ public:
std::map<int, RTPMap> mRtpMap;
std::vector<uint32_t> mSsrcs;
std::map<uint32_t, string> mCNameMap;
public:
void addRTPMap(const RTPMap &map);

21
src/description.cpp
View File

@ -556,10 +556,12 @@ Description::Entry::removeAttribute(std::vector<string>::iterator it) {
void Description::Media::addSSRC(uint32_t ssrc, optional<string> name, optional<string> msid,
optional<string> trackID) {
if (name)
if (name) {
mAttributes.emplace_back("ssrc:" + std::to_string(ssrc) + " cname:" + *name);
else
mCNameMap.emplace(ssrc, *name);
} else {
mAttributes.emplace_back("ssrc:" + std::to_string(ssrc));
}
if (msid)
mAttributes.emplace_back("ssrc:" + std::to_string(ssrc) + " msid:" + *msid + " " +
@ -862,6 +864,11 @@ void Description::Media::parseSdpLine(string_view line) {
if (!hasSSRC(ssrc)) {
mSsrcs.emplace_back(ssrc);
}
auto cnamePos = value.find("cname:");
if (cnamePos != std::string::npos) {
auto cname = value.substr(cnamePos);
mCNameMap.emplace(ssrc, cname);
}
mAttributes.emplace_back(attr);
} else {
Entry::parseSdpLine(line);
@ -880,13 +887,9 @@ void Description::Media::addRTPMap(const Description::Media::RTPMap &map) {
std::vector<uint32_t> Description::Media::getSSRCs() { return mSsrcs; }
std::optional<std::string> Description::Media::getCNameForSsrc(uint32_t ssrc) {
for (auto &val : mAttributes) {
if (val.find("ssrc:") == 0 && val.find("cname:") != std::string::npos) {
auto valSsrc = to_integer<uint32_t>(val.substr(5));
if (valSsrc == ssrc) {
return val.substr(val.find("cname:") + 6);
}
}
auto it = mCNameMap.find(ssrc);
if (it != mCNameMap.end()) {
return it->second;
}
return std::nullopt;
}