Boolean
ServerMediaSession::addSubsession(ServerMediaSubsession* subsession) {
class OnDemandServerMediaSubsession: public ServerMediaSubsession {
protected: // we're a virtual base class
OnDemandServerMediaSubsession(UsageEnvironment& env, Boolean reuseFirstSource,
portNumBits initialPortNum = 6970);
OnDemandServerMediaSubsession
::OnDemandServerMediaSubsession(UsageEnvironment& env,
Boolean reuseFirstSource,