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WebRTC: merge ICE sessions in into a single ICE session for all tracks

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Thulinma 2024-06-06 17:11:56 +02:00
parent 729b75ac2a
commit a5d092c768
3 changed files with 23 additions and 18 deletions
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23
lib/sdp_media.cpp
View file

@ -803,8 +803,8 @@ namespace SDP{
return (m != NULL) ? true : false;
}
bool Answer::enableVideo(const std::string &codecName){
if (!enableMedia("video", codecName, answerVideoMedia, answerVideoFormat)){
bool Answer::enableVideo(const std::string &codecName, SDP::Session &sdpSession){
if (!enableMedia("video", codecName, answerVideoMedia, answerVideoFormat, sdpSession)){
DONTEVEN_MSG("Failed to enable video.");
return false;
}
@ -812,8 +812,8 @@ namespace SDP{
return true;
}
bool Answer::enableAudio(const std::string &codecName){
if (!enableMedia("audio", codecName, answerAudioMedia, answerAudioFormat)){
bool Answer::enableAudio(const std::string &codecName, SDP::Session &sdpSession){
if (!enableMedia("audio", codecName, answerAudioMedia, answerAudioFormat, sdpSession)){
DONTEVEN_MSG("Not enabling audio.");
return false;
}
@ -821,8 +821,8 @@ namespace SDP{
return true;
}
bool Answer::enableMeta(const std::string &codecName){
if (!enableMedia("meta", codecName, answerMetaMedia, answerMetaFormat)){
bool Answer::enableMeta(const std::string &codecName, SDP::Session &sdpSession){
if (!enableMedia("meta", codecName, answerMetaMedia, answerMetaFormat, sdpSession)){
DONTEVEN_MSG("Not enabling meta.");
return false;
}
@ -1100,7 +1100,7 @@ namespace SDP{
// support; we select the first
// one that we find.
bool Answer::enableMedia(const std::string &type, const std::string &codecList,
SDP::Media &outMedia, SDP::MediaFormat &outFormat){
SDP::Media &outMedia, SDP::MediaFormat &outFormat, SDP::Session &sdpSession){
Media *media = sdpOffer.getMediaForType(type);
if (!media){
INFO_MSG("Cannot enable %s codec; offer doesn't have %s media.", codecList.c_str(), type.c_str());
@ -1168,8 +1168,13 @@ namespace SDP{
outMedia = *media;
outFormat = *format;
outFormat.rtcpFormats.clear();
outFormat.icePwd = generateIcePwd();
outFormat.iceUFrag = generateIceUFrag();
if (!sdpSession.icePwd.size()){
sdpSession.icePwd = generateIcePwd();
sdpSession.iceUFrag = generateIceUFrag();
}
outFormat.icePwd = sdpSession.icePwd;
outFormat.iceUFrag = sdpSession.iceUFrag;
return true;
}

8
lib/sdp_media.h
View file

@ -165,9 +165,9 @@ namespace SDP{
bool parseOffer(const std::string &sdp);
bool hasVideo(); ///< Check if the offer has video.
bool hasAudio(); ///< Check if the offer has audio.
bool enableVideo(const std::string &codecName);
bool enableAudio(const std::string &codecName);
bool enableMeta(const std::string &codecName);
bool enableVideo(const std::string &codecName, SDP::Session &sdpSession);
bool enableAudio(const std::string &codecName, SDP::Session &sdpSession);
bool enableMeta(const std::string &codecName, SDP::Session &sdpSession);
void setCandidate(const std::string &ip, uint16_t port);
void setFingerprint(const std::string &fingerprintSha); ///< Set the SHA265 that represents the
///< certificate that is used with DTLS.
@ -178,7 +178,7 @@ namespace SDP{
private:
bool enableMedia(const std::string &type, const std::string &codecName, SDP::Media &outMedia,
SDP::MediaFormat &outFormat);
SDP::MediaFormat &outFormat, SDP::Session &sdpSession);
void addLine(const std::string fmt, ...);
std::string generateSessionId();
std::string generateIceUFrag(); ///< Generates the `ice-ufrag` value.