SdpHelper.hxx

Go to the documentation of this file.

#if !defined(SdpHelper_hxx)
#define SdpHelper_hxx
 
#include "Sdp.hxx"
#include "SdpMediaLine.hxx"
#include <resip/stack/SdpContents.hxx>
 
using namespace sdpcontainer;
 
namespace resip
{
   class ParseBuffer;
   class Data;
}
 
class SdpHelper
{
public:
   // The main method use to create a higher level Sdp object from a SdpContents object
   static sdpcontainer::Sdp* createSdpFromResipSdp(const resip::SdpContents& resipSdp);
 
   // Helper methods to convert from SdpContents address type to sdpcontainer address type
   static sdpcontainer::Sdp::SdpAddressType convertResipAddressType(resip::SdpContents::AddrType resipAddrType);
   // Helper method to convert from SdpContents encryption key type to sdpcontainer encryption method
   static sdpcontainer::SdpMediaLine::SdpEncryptionMethod convertResipEncryptionMethod(resip::SdpContents::Session::Encryption::KeyType resipMethod);
 
   // Helper methods to parse specific SDP attribute lines that SdpContents class doesn't provide parsing for
   static sdpcontainer::SdpMediaLine::SdpCrypto* parseCryptoLine(const resip::Data& cryptoLine);
   static bool parseFingerPrintLine(const resip::Data& fingerprintLine, sdpcontainer::SdpMediaLine::SdpFingerPrintHashFuncType& hashType, resip::Data& fingerPrint);
   static bool parseTransportCapabilitiesLine(const resip::Data& tcapLine, std::list<sdpcontainer::SdpMediaLine::SdpTransportProtocolCapabilities>& tcapList);
   static bool parsePotentialConfigurationLine(const resip::Data& pcfgLine, std::list<sdpcontainer::SdpMediaLine::SdpPotentialConfiguration>& pcfgList);
 
private:
   static sdpcontainer::SdpMediaLine* parseMediaLine(const resip::SdpContents::Session::Medium& resipMedia, const resip::SdpContents::Session& resipSession, bool sessionRtcpEnabled);
   static void parseCryptoParams(resip::ParseBuffer& pb, 
                                 sdpcontainer::SdpMediaLine::SdpCryptoKeyMethod& keyMethod, 
                                 resip::Data& keyValue, 
                                 unsigned int& srtpLifetime, 
                                 unsigned int& srtpMkiValue, 
                                 unsigned int& srtpMkiLength);
 
};
 
#endif  // _SdpHelper_hxx_
 
 
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