void CMyRTSPClent::handleSubsessionTimeout()
{
// We still have one or more subsessions ('tracks') left to "SETUP". But we can't wait any longer for them. Send a "PLAY" now:
MediaSession* sess = fOurServerMediaSession.fClientMediaSession;
if (sess != NULL)
sendPlayCommand(*sess, NULL, -1.0f, -1.0f, 1.0f, fOurAuthenticator);
fLastCommandWasPLAY = True;
}
void ProxyRTSPClient::continueAfterSETUP(int resultCode) {
if (resultCode != 0) {
// The "SETUP" command failed, so arrange to reset the state after the next RTSP 'liveness'
// command. (We don't do this now, because it deletes the "ProxyServerMediaSubsession",
// and we can't do that during "ProxyServerMediaSubsession::createNewStreamSource()".)
fResetOnNextLivenessTest = True;
envir().taskScheduler().rescheduleDelayedTask(fLivenessCommandTask, 0, sendLivenessCommand, this);
return;
}
if (fVerbosityLevel > 0) {
envir() << *this << "::continueAfterSETUP(): head codec: " << fSetupQueueHead->codecName()
<< "; numSubsessions " << fSetupQueueHead->fParentSession->numSubsessions() << "\n\tqueue:";
for (ProxyServerMediaSubsession* p = fSetupQueueHead; p != NULL; p = p->fNext) {
envir() << "\t" << p->codecName();
if (p->fNext == fSetupQueueHead || p->fNext == p) { fprintf(stderr, "##### INTERNAL ERROR 1\n"); break; } //##### TEMP FOR DEBUGGING
}
envir() << "\n";
}
envir().taskScheduler().unscheduleDelayedTask(fSubsessionTimerTask); // in case it had been set
// Dequeue the first "ProxyServerMediaSubsession" from our 'SETUP queue'. It will be the one for which this "SETUP" was done:
ProxyServerMediaSubsession* smss = fSetupQueueHead; // Assert: != NULL
if (fSetupQueueHead == NULL) fprintf(stderr, "##### INTERNAL ERROR 2\n"); else //##### TEMP FOR DEBUGGING
fSetupQueueHead = fSetupQueueHead->fNext;
if (fSetupQueueHead == NULL) fSetupQueueTail = NULL;
if (fSetupQueueHead != NULL) {
// There are still entries in the queue, for tracks for which we have still to do a "SETUP".
// "SETUP" the first of these now:
sendSetupCommand(fSetupQueueHead->fClientMediaSubsession, ::continueAfterSETUP,
False, fStreamRTPOverTCP, False, fOurAuthenticator);
++fNumSetupsDone;
fSetupQueueHead->fHaveSetupStream = True;
} else {
if (fNumSetupsDone >= smss->fParentSession->numSubsessions()) {
// We've now finished setting up each of our subsessions (i.e., 'tracks').
// Continue by sending a "PLAY" command (an 'aggregate' "PLAY" command, on the whole session):
sendPlayCommand(smss->fClientMediaSubsession.parentSession(), ::continueAfterPLAY, -1.0f, -1.0f, 1.0f, fOurAuthenticator);
// the "-1.0f" "start" parameter causes the "PLAY" to be sent without a "Range:" header, in case we'd already done
// a "PLAY" before (as a result of a 'subsession timeout' (note below))
fLastCommandWasPLAY = True;
} else {
// Some of this session's subsessions (i.e., 'tracks') remain to be "SETUP". They might get "SETUP" very soon, but it's
// also possible - if the remote client chose to play only some of the session's tracks - that they might not.
// To allow for this possibility, we set a timer. If the timer expires without the remaining subsessions getting "SETUP",
// then we send a "PLAY" command anyway:
fSubsessionTimerTask
= envir().taskScheduler().scheduleDelayedTask(SUBSESSION_TIMEOUT_SECONDS*MILLION, (TaskFunc*)subsessionTimeout, this);
}
}
}
void CMyRTSPClent::continueAfterSETUP()
{
if (fVerbosityLevel > 0)
{
//envir() << *this << "::continueAfterSETUP(): head codec: " << fSetupQueueHead->fClientMediaSubsession.codecName()
// << "; numSubsessions " << fSetupQueueHead->fParentSession->numSubsessions() << "\n\tqueue:";
for (CMyServerMediaSubsession* p = fSetupQueueHead; p != NULL; p = p->fNext)
{
envir() << "\t" << p->fClientMediaSubsession.codecName();
}
envir() << "\n";
}
envir().taskScheduler().unscheduleDelayedTask(fSubsessionTimerTask); // in case it had been set
// Dequeue the first "ProxyServerMediaSubsession" from our 'SETUP queue'. It will be the one for which this "SETUP" was done:
CMyServerMediaSubsession* smss = fSetupQueueHead; // Assert: != NULL
fSetupQueueHead = fSetupQueueHead->fNext;
if (fSetupQueueHead == NULL) fSetupQueueTail = NULL;
if (fSetupQueueHead != NULL)
{
// There are still entries in the queue, for tracks for which we have still to do a "SETUP".
// "SETUP" the first of these now:
sendSetupCommand(fSetupQueueHead->fClientMediaSubsession, ::continueAfterSETUP,
False, fStreamRTPOverTCP, False, fOurAuthenticator);
++fNumSetupsDone;
fSetupQueueHead->fHaveSetupStream = True;
}
else
{
if (fNumSetupsDone >= smss->GetfParentSession()->numSubsessions())
{
// We've now finished setting up each of our subsessions (i.e., 'tracks').
// Continue by sending a "PLAY" command (an 'aggregate' "PLAY" command, on the whole session):
sendPlayCommand(smss->fClientMediaSubsession.parentSession(), NULL, -1.0f, -1.0f, 1.0f, fOurAuthenticator);
// the "-1.0f" "start" parameter causes the "PLAY" to be sent without a "Range:" header, in case we'd already done
// a "PLAY" before (as a result of a 'subsession timeout' (note below))
fLastCommandWasPLAY = True;
}
else
{
// Some of this session's subsessions (i.e., 'tracks') remain to be "SETUP". They might get "SETUP" very soon, but it's
// also possible - if the remote client chose to play only some of the session's tracks - that they might not.
// To allow for this possibility, we set a timer. If the timer expires without the remaining subsessions getting "SETUP",
// then we send a "PLAY" command anyway:
fSubsessionTimerTask = envir().taskScheduler().scheduleDelayedTask(SUBSESSION_TIMEOUT_SECONDS*MILLION, (TaskFunc*)subsessionTimeout, this);
}
}
}
int CTCP_RTSPClient::startRTSPRequest(char* ip ,int port ,const char *url, const char* Range_clock, float scale)
{
strcpy(this->m_url, url);
int i = connectRtspSrv(ip,port);
if( i < 0 )return i;
i = sendSomeCommand(url);
if(i < 0)return i;
i = sendPlayCommand(url, scale, Range_clock);
if( i < 0 )return i;
i = RecvPlayResponse();
if( i< 0 )return i;
return i;
}
int CUDP_RTSPClient::startRTSPRequest(char* ip ,int port ,const char *url, const char* Range_clock, float scale)
{
strcpy(this->m_url, url);
strcpy(this->m_realConnectIP, ip);
int i = connectRtspSrv(ip,port);
if( i < 0 )return i;
i = sendSomeCommand(url);
if(i < 0)return i;
i = sendPlayCommand(url, scale, Range_clock);
if( i < 0 )return i;
i = HandleIncomingData();
if( i < 0 )return i;
if( i >= 0 )
Heartbeat_thread_ = boost::thread(&CUDP_RTSPClient::handleHeartbeatThread , this);
return i;
}
