void continueAfterDESCRIBE(RTSPClient* rtspClient, int resultCode, char* resultString) {
do {
UsageEnvironment& env = rtspClient->envir(); // alias
StreamClientState& scs = ((ourRTSPClient*)rtspClient)->scs; // alias
if (resultCode != 0) {
env << *rtspClient << "Failed to get a SDP description: " << resultString << "\n";
break;
}
char* const sdpDescription = resultString;
env << *rtspClient << "Got a SDP description:\n" << sdpDescription << "\n";
// Create a media session object from this SDP description:
scs.session = MediaSession::createNew(env, sdpDescription);
delete[] sdpDescription; // because we don't need it anymore
if (scs.session == NULL) {
env << *rtspClient << "Failed to create a MediaSession object from the SDP description: " << env.getResultMsg() << "\n";
break;
} else if (!scs.session->hasSubsessions()) {
env << *rtspClient << "This session has no media subsessions (i.e., no \"m=\" lines)\n";
break;
}
// Then, create and set up our data source objects for the session. We do this by iterating over the session's 'subsessions',
// calling "MediaSubsession::initiate()", and then sending a RTSP "SETUP" command, on each one.
// (Each 'subsession' will have its own data source.)
scs.iter = new MediaSubsessionIterator(*scs.session);
setupNextSubsession(rtspClient);
return;
} while (0);
// An unrecoverable error occurred with this stream.
shutdownStream(rtspClient);
}
void setupNextSubsession(RTSPClient* rtspClient) {
UsageEnvironment& env = rtspClient->envir(); // alias
StreamClientState& scs = ((ourRTSPClient*)rtspClient)->scs; // alias
scs.subsession = scs.iter->next();
if (scs.subsession != NULL) {
if (!scs.subsession->initiate()) {
env << *rtspClient << "Failed to initiate the \"" << *scs.subsession << "\" subsession: " << env.getResultMsg() << "\n";
setupNextSubsession(rtspClient); // give up on this subsession; go to the next one
} else {
env << *rtspClient << "Initiated the \"" << *scs.subsession
<< "\" subsession (client ports " << scs.subsession->clientPortNum() << "-" << scs.subsession->clientPortNum()+1 << ")\n";
// Continue setting up this subsession, by sending a RTSP "SETUP" command:
rtspClient->sendSetupCommand(*scs.subsession, continueAfterSETUP);
}
return;
}
// We've finished setting up all of the subsessions. Now, send a RTSP "PLAY" command to start the streaming:
if (scs.session->absStartTime() != NULL) {
// Special case: The stream is indexed by 'absolute' time, so send an appropriate "PLAY" command:
rtspClient->sendPlayCommand(*scs.session, continueAfterPLAY, scs.session->absStartTime(), scs.session->absEndTime());
} else {
scs.duration = scs.session->playEndTime() - scs.session->playStartTime();
rtspClient->sendPlayCommand(*scs.session, continueAfterPLAY);
}
}
/*!
* \brief Sets up the next subsession which is stored in the scs.subsession object.
*
* This function sends the rtsp SETUP command to the source and sets up the callback function (continueAfterSETUP)
* Changes by the author: If the subsession isn't a MotionJPEG, dismiss it.
* \param rtspClient Environment vars
*/
void setupNextSubsession(RTSPClient* rtspClient) {
scs.subsession = scs.iter->next();
std::string result = scs.subsession->mediumName(); //Get the medium name
std::string encoding = scs.subsession->codecName();
if ((scs.subsession != NULL) && (result != "audio") && (encoding == "JPEG")) { //We don't want audio. We want JPEG video for now, so ignore the rest
if (!scs.subsession->initiate()) {
*env << *rtspClient << "Failed to initiate the \"" << *scs.subsession << "\" subsession: " << *env->getResultMsg() << "\n";
setupNextSubsession(rtspClient); // give up on this subsession; go to the next one
} else {
*env << *rtspClient << "Initiated the \"" << *scs.subsession
<< "\" subsession (client ports " << scs.subsession->clientPortNum() << "-" << scs.subsession->clientPortNum()+1 << ")\n";
// Continue setting up this subsession, by sending a RTSP "SETUP" command:
rtspClient->sendSetupCommand(*scs.subsession, continueAfterSETUP, False, REQUEST_STREAMING_OVER_TCP);
// }
}
return;
}
// We've finished setting up all of the subsessions. Now, send a RTSP "PLAY" command to start the streaming:
if (scs.session->absStartTime() != NULL) {
// Special case: The stream is indexed by 'absolute' time, so send an appropriate "PLAY" command:
rtspClient->sendPlayCommand(*scs.session, continueAfterPLAY, scs.session->absStartTime(), scs.session->absEndTime());
} else {
scs.duration = scs.session->playEndTime() - scs.session->playStartTime();
rtspClient->sendPlayCommand(*scs.session, continueAfterPLAY);
}
}
void setupNextSubsession(RTSPClient* rtspClient) {
UsageEnvironment& env = rtspClient->envir(); // alias
StreamClientState& scs = ((ourRTSPClient*)rtspClient)->scs; // alias
scs.subsession = scs.iter->next();
if (scs.subsession != NULL) {
if (!scs.subsession->initiate()) {
env << *rtspClient << "Failed to initiate the \"" << *scs.subsession << "\" subsession: " << env.getResultMsg() << "\n";
setupNextSubsession(rtspClient); // give up on this subsession; go to the next one
} else {
// env << *rtspClient << "Initiated the \"" << *scs.subsession
// << "\" subsession (client ports " << scs.subsession->clientPortNum() << "-" << scs.subsession->clientPortNum()+1 << ")\n";
// Continue setting up this subsession, by sending a RTSP "SETUP" command:
char tranProtocol = ((ourRTSPClient*)rtspClient)->_tranProtocol;
rtspClient->sendSetupCommand(*scs.subsession, continueAfterSETUP, false, tranProtocol == 0, tranProtocol == 2);
// rtspClient->sendSetupCommand(*scs.subsession, continueAfterSETUP, false, true);
}
return;
}
// We've finished setting up all of the subsessions. Now, send a RTSP "PLAY" command to start the streaming:
scs.duration = scs.session->playEndTime() - scs.session->playStartTime();
rtspClient->sendPlayCommand(*scs.session, continueAfterPLAY);
}
void setupNextSubsession(RTSPClient* rtspClient) {
UsageEnvironment& env = rtspClient->envir(); // alias
StreamClientState& scs = ((ourRTSPClient*)rtspClient)->scs; // alias
scs.subsession = scs.iter->next();
if (scs.subsession != NULL) {
if ( strcmp(scs.subsession->mediumName(),"audio") != 0 ||
(scs.subsession->getFlag() == 0 && bEnableBackChannel) // flag= 0:receive only 1:send only
|| !scs.subsession->initiate()) {
env << *rtspClient << "Failed to initiate the \"" << *scs.subsession << "\" subsession: " << env.getResultMsg() << "\n";
setupNextSubsession(rtspClient); // give up on this subsession; go to the next one
} else {
env << *rtspClient << "Initiated the \"" << *scs.subsession
<< "\" subsession (client ports " << scs.subsession->clientPortNum() << "-" << scs.subsession->clientPortNum()+1 << ")\n";
// 20140625 albert.liao modified start
// Continue setting up this subsession, by sending a RTSP "SETUP" command:
rtspClient->sendSetupCommand(*scs.subsession, continueAfterSETUP, False, REQUEST_STREAMING_OVER_TCP);
// TODO: rtsp server should create PassiveServerMediaSubsession,
// so that multicast can work
// rtspClient->sendSetupCommand(*scs.subsession,
// continueAfterSETUP,
// False,//True, /* streamOutgoing, for darwin */
// REQUEST_STREAMING_OVER_TCP,
// True, /*Multicast*/
// NULL);
// 20140625 albert.liao modified end
}
return;
}
//startPlay(rtspClient);
shutdownStream(rtspClient);
}
void CAimer39RTSPClient::setupNextSubsession(RTSPClient* rtspClient)
{
UsageEnvironment& env = rtspClient->envir(); // alias
StreamClientState& scs = ((ourRTSPClient*)rtspClient)->scs; // alias
CAimer39RTSPClient * arc = findClient( (ourRTSPClient*)rtspClient );
if ( NULL == arc ) {
arc->m_errorCode = -1;
env << "some how the system in to a dangerous situation!" << "\n";
return;
}
scs.subsession = scs.iter->next();
if (scs.subsession != NULL) {
vector<MediaSubsession *>::iterator iter = arc->m_vecNoNeedStream.begin();
for ( ; iter != arc->m_vecNoNeedStream.end(); ++iter ) {
if ( *iter == scs.subsession ) {
setupNextSubsession(rtspClient); // give up on this subsession; go to the next one
return;
}
}
if (!scs.subsession->initiate()) {
env << *rtspClient << "Failed to initiate the \"" << *scs.subsession << "\" subsession: " << env.getResultMsg() << "\n";
arc->m_errorCode = 3;
arc->m_lastErrorMsg = env.getResultMsg();
setupNextSubsession(rtspClient); // give up on this subsession; go to the next one
} else {
env << *rtspClient << "Initiated the \"" << *scs.subsession
<< "\" subsession (client ports " << scs.subsession->clientPortNum() << "-" << scs.subsession->clientPortNum()+1 << ")\n";
// Continue setting up this subsession, by sending a RTSP "SETUP" command:
rtspClient->sendSetupCommand(*scs.subsession, continueAfterSETUP);
}
return;
}
// We've finished setting up all of the subsessions. Now, send a RTSP "PLAY" command to start the streaming:
if (scs.session->absStartTime() != NULL) {
// Special case: The stream is indexed by 'absolute' time, so send an appropriate "PLAY" command:
rtspClient->sendPlayCommand(*scs.session, continueAfterPLAY, scs.session->absStartTime(), scs.session->absEndTime());
} else {
scs.duration = scs.session->playEndTime() - scs.session->playStartTime();
rtspClient->sendPlayCommand(*scs.session, continueAfterPLAY);
}
}
void continueAfterSETUP(RTSPClient* rtspClient, int resultCode, char* resultString) {
do {
UsageEnvironment& env = rtspClient->envir(); // alias
StreamClientState& scs = ((ourRTSPClient*)rtspClient)->scs; // alias
if (resultCode != 0) {
env << *rtspClient << "Failed to set up the \"" << *scs.subsession << "\" subsession: " << resultString << "\n";
break;
}
env << *rtspClient << "Set up the \"" << *scs.subsession
<< "\" subsession (client ports " << scs.subsession->clientPortNum() << "-" << scs.subsession->clientPortNum()+1 << ")\n";
// Having successfully setup the subsession, create a data sink for it, and call "startPlaying()" on it.
// (This will prepare the data sink to receive data; the actual flow of data from the client won't start happening until later,
// after we've sent a RTSP "PLAY" command.)
// 20140624 albert.liao modified start
if(scs.subsession->getFlag()==FLAG_RECVONLY)
{
//scs.subsession->sink = DummySink::createNew(env, *scs.subsession, rtspClient->url());
scs.subsession->sink = FileSink::createNew(env, "back.pcm");
// perhaps use your own custom "MediaSink" subclass instead
if (scs.subsession->sink == NULL) {
env << *rtspClient << "Failed to create a data sink for the \"" << *scs.subsession
<< "\" subsession: " << env.getResultMsg() << "\n";
break;
}
env << *rtspClient << "Created a data sink for the \"" << *scs.subsession << "\" subsession\n";
scs.subsession->miscPtr = rtspClient; // a hack to let subsession handle functions get the "RTSPClient" from the subsession
scs.subsession->sink->startPlaying(*(scs.subsession->readSource()),
subsessionAfterPlaying, scs.subsession);
}
else
{
//scs.subsession->sink is equal to scs.subsession->fRTPSink;
env << *rtspClient << "Created a data sink for the \"" << *scs.subsession << "\" subsession\n";
scs.subsession->miscPtr = rtspClient; // a hack to let subsession handle functions get the "RTSPClient" from the subsession
// This sink is created by function MediaSubsession::createSinkObjects
scs.subsession->sink->startPlaying(*(scs.subsession->readSource()),
subsessionAfterPlaying, scs.subsession);
}
// 20140624 albert.liao modified end
// Also set a handler to be called if a RTCP "BYE" arrives for this subsession:
if (scs.subsession->rtcpInstance() != NULL) {
scs.subsession->rtcpInstance()->setByeHandler(subsessionByeHandler, scs.subsession);
}
} while (0);
delete[] resultString;
// Set up the next subsession, if any:
setupNextSubsession(rtspClient);
}
void continueAfterSETUP(RTSPClient* rtspClient, int resultCode, char* resultString) {
do {
UsageEnvironment& env = rtspClient->envir(); // alias
StreamClientState& scs = ((ourRTSPClient*)rtspClient)->scs; // alias
if (resultCode != 0) {
env << *rtspClient << "Failed to set up the \"" << *scs.subsession << "\" subsession: " << env.getResultMsg() << "\n";
break;
}
env << *rtspClient << "Set up the \"" << *scs.subsession
<< "\" subsession (client ports " << scs.subsession->clientPortNum() << "-" << scs.subsession->clientPortNum()+1 << ")\n";
// Having successfully setup the subsession, create a data sink for it, and call "startPlaying()" on it.
// (This will prepare the data sink to receive data; the actual flow of data from the client won't start happening until later,
// after we've sent a RTSP "PLAY" command.)
scs.subsession->sink = DummySink::createNew(env, *scs.subsession, rtspClient->url());
// perhaps use your own custom "MediaSink" subclass instead
if (scs.subsession->sink == NULL) {
env << *rtspClient << "Failed to create a data sink for the \"" << *scs.subsession
<< "\" subsession: " << env.getResultMsg() << "\n";
break;
}
const char* spandPp= scs.subsession->fmtp_spropparametersets();
unsigned int numOfRecords = -1;
SPropRecord* rec = parseSPropParameterSets(spandPp, numOfRecords);
for (unsigned i = 0; i < numOfRecords; ++i)
{
unsigned nalUnitSize = rec[i].sPropLength;
unsigned char* nalUnitBytes = rec[i].sPropBytes; // this is a byte array, of size "nalUnitSize".
// Then do whatever you like with this NAL unit data
}
env << *rtspClient << "Created a data sink for the \"" << *scs.subsession << "\" subsession\n";
scs.subsession->miscPtr = rtspClient; // a hack to let subsession handle functions get the "RTSPClient" from the subsession
scs.subsession->sink->startPlaying(*(scs.subsession->readSource()),subsessionAfterPlaying, scs.subsession);
// Also set a handler to be called if a RTCP "BYE" arrives for this subsession:
if (scs.subsession->rtcpInstance() != NULL) {
scs.subsession->rtcpInstance()->setByeHandler(subsessionByeHandler, scs.subsession);
}
} while (0);
// Set up the next subsession, if any:
setupNextSubsession(rtspClient);
}
void continueAfterSETUP(RTSPClient* rtspClient, int resultCode, char* resultString) {
OUTPUT_DEBUG_STRING("%s \n", __FUNCTION__);
do {
UsageEnvironment& env = rtspClient->envir(); // alias
StreamClientState& scs = ((ourRTSPClient*)rtspClient)->scs; // alias
static int SessionID = 0;
if (resultCode != 0) {
OUTPUT_DEBUG_STRING("Failed to set up the subsession: %s \n", \
resultString);
//env << *rtspClient << "Failed to set up the \"" << *scs.subsession << "\" subsession: " << resultString << "\n";
break;
}
OUTPUT_DEBUG_STRING("Set up the subsession (client ports %u-%u)\n", \
scs.subsession->clientPortNum(), scs.subsession->clientPortNum()+1);
//env << *rtspClient << "Set up the \"" << *scs.subsession << "\" subsession (client ports " << scs.subsession->clientPortNum() << "-" << scs.subsession->clientPortNum()+1 << ")\n";
// Having successfully setup the subsession, create a data sink for it, and call "startPlaying()" on it.
// (This will prepare the data sink to receive data; the actual flow of data from the client won't start happening until later,
// after we've sent a RTSP "PLAY" command.)
scs.subsession->sink = DummySink::createNew(env, *scs.subsession, rtspClient->url());
OUTPUT_DEBUG_STRING("add = %d, del = %d\n", ++sum_add, sum_del);
((DummySink *)scs.subsession)->SetCallBackFunction(gAVDataFun, gLostDetectFun, SessionID, rtspClient);
SessionID ++;
// perhaps use your own custom "MediaSink" subclass instead
if (scs.subsession->sink == NULL) {
OUTPUT_DEBUG_STRING("Failed to create a data sink for the subsession: %s\n", \
env.getResultMsg());
//env << *rtspClient << "Failed to create a data sink for the \"" << *scs.subsession<< "\" subsession: " << env.getResultMsg() << "\n";
break;
}
OUTPUT_DEBUG_STRING("Created a data sink for the subsession\n");
//env << *rtspClient << "Created a data sink for the \"" << *scs.subsession << "\" subsession\n";
scs.subsession->miscPtr = rtspClient; // a hack to let subsession handle functions get the "RTSPClient" from the subsession
scs.subsession->sink->startPlaying(*(scs.subsession->readSource()),
subsessionAfterPlaying, scs.subsession);
// Also set a handler to be called if a RTCP "BYE" arrives for this subsession:
if (scs.subsession->rtcpInstance() != NULL) {
scs.subsession->rtcpInstance()->setByeHandler(subsessionByeHandler, scs.subsession);
}
} while (0);
delete[] resultString;
// Set up the next subsession, if any:
setupNextSubsession(rtspClient);
}
/*!
* \brief Sets up the filesink for a rtsp subsession
*
* This function sets up the filesink for a given rtsp subsession, sets up the callback handler continueAfterPLAY() and sends the PLAY-command to the source (requesting it to start sending data, that is).
* As it is only called after filtering all subsessions, it will be only called, if the given subsession is JPEG-encoded.
* This ensures that the DBSink inserts only valid data into the DB.
* > Changes by the author: Included the build process of a variable camname for saving it in the DB.
* > Scheme: cam<camno>.jpeg
*
* \param rtspClient Environment vars
* \param resultCode Result of the rtsp SETUP command
* \param resultString Result of the rtsp SETUP command
*/
void continueAfterSETUP(RTSPClient* rtspClient, int resultCode, char* resultString) {
do {
if (resultCode != 0) {
*env << *rtspClient << "Failed to set up the \"" << *scs.subsession << "\" subsession: " << resultString << "\n";
break;
}
*env << *rtspClient << "Set up the \"" << *scs.subsession
<< "\" subsession (client ports " << scs.subsession->clientPortNum() << "-" << scs.subsession->clientPortNum()+1 << ")\n";
// Having successfully setup the subsession, create a data sink for it, and call "startPlaying()" on it.
// (This will prepare the data sink to receive data; the actual flow of data from the client won't start happening until later,
// after we've sent a RTSP "PLAY" command.)
//Neue Elemente von mir:
//Wir bauen uns den Camnamen
std::string camprefix = "cam";
std::string camsuffix = ".jpeg";
if(camno == "")
camno = "xx";
std::stringstream sstr;
sstr << camprefix << camno << camsuffix;
scs.subsession->sink = ExtendedFileSink::createNew(*env, sstr.str() , 60000);
// Ende Neue Elemente von mir
if (scs.subsession->sink == NULL) {
*env << *rtspClient << "Failed to create a data sink for the \"" << *scs.subsession
<< "\" subsession: " << *env->getResultMsg() << "\n";
break;
}
else
*env << "Stream creation succeeded! \n";
*env << *rtspClient << "Created a data sink for the \"" << *scs.subsession << "\" subsession" << "ID: " << scs.subsession->sink->name() << "\n";
scs.subsession->miscPtr = rtspClient; // a hack to let subsession handle functions get the "RTSPClient" from the subsession
scs.subsession->sink->startPlaying(*(scs.subsession->readSource()),
subsessionAfterPlaying, scs.subsession);
// Also set a handler to be called if a RTCP "BYE" arrives for this subsession:
if (scs.subsession->rtcpInstance() != NULL) {
scs.subsession->rtcpInstance()->setByeHandler(subsessionByeHandler, scs.subsession);
}
} while (0);
delete[] resultString;
// Set up the next subsession, if any:
setupNextSubsession(rtspClient);
}
void setupNextSubsession(RTSPClient* rtspClient) {
OUTPUT_DEBUG_STRING("%s \n", __FUNCTION__);
UsageEnvironment& env = rtspClient->envir(); // alias
StreamClientState& scs = ((ourRTSPClient*)rtspClient)->scs; // alias
scs.subsession = scs.iter->next();
if (scs.subsession != NULL) {
if (!scs.subsession->initiate()) {
//env << *rtspClient << "Failed to initiate the \"" << *scs.subsession << "\" subsession: " << env.getResultMsg() << "\n";
OUTPUT_DEBUG_STRING("Failed to initiate the \" %p \" subsession: %s \n", *scs.subsession, env.getResultMsg());
setupNextSubsession(rtspClient); // give up on this subsession; go to the next one
} else {
OUTPUT_DEBUG_STRING("Initiated the subsession %p (client ports %u-%u)\n", \
scs.subsession, \
scs.subsession->clientPortNum(), \
scs.subsession->clientPortNum() + 1);
//env << *rtspClient << "Initiated the \"" << *scs.subsession << "\" subsession (client ports " << scs.subsession->clientPortNum() << "-" << scs.subsession->clientPortNum()+1 << ")\n";
// Continue setting up this subsession, by sending a RTSP "SETUP" command:
Boolean stream_over_tcp = False;
if (gStream_Over_Protocol == STREAMING_OVER_TCP)
{
stream_over_tcp = True;
}
else if (gStream_Over_Protocol == STREAMING_OVER_UDP)
{
stream_over_tcp = False;
}
rtspClient->sendSetupCommand(*scs.subsession, continueAfterSETUP, False, stream_over_tcp);
}
return;
}
// We've finished setting up all of the subsessions. Now, send a RTSP "PLAY" command to start the streaming:
if (scs.session->absStartTime() != NULL) {
// Special case: The stream is indexed by 'absolute' time, so send an appropriate "PLAY" command:
rtspClient->sendPlayCommand(*scs.session, continueAfterPLAY, scs.session->absStartTime(), scs.session->absEndTime());
} else {
scs.duration = scs.session->playEndTime() - scs.session->playStartTime();
rtspClient->sendPlayCommand(*scs.session, continueAfterPLAY);
}
}
void CAimer39RTSPClient::continueAfterSETUP(RTSPClient* rtspClient, int resultCode, char* resultString)
{
do {
UsageEnvironment& env = rtspClient->envir(); // alias
StreamClientState& scs = ((ourRTSPClient*)rtspClient)->scs; // alias
CAimer39RTSPClient * arc = findClient( (ourRTSPClient*)rtspClient );
if ( NULL == arc ) {
env << "some how the system in to a dangerous situation!" << "\n";
break;
}
arc->m_errorCode = resultCode;
if (resultCode != 0) {
arc->m_lastErrorMsg = resultString;
env << *rtspClient << "Failed to set up the \"" << *scs.subsession << "\" subsession: " << resultString << "\n";
break;
}
env << *rtspClient << "Set up the \"" << *scs.subsession
<< "\" subsession (client ports " << scs.subsession->clientPortNum() << "-" << scs.subsession->clientPortNum()+1 << ")\n";
// Having successfully setup the subsession, create a data sink for it, and call "startPlaying()" on it.
// (This will prepare the data sink to receive data; the actual flow of data from the client won't start happening until later,
// after we've sent a RTSP "PLAY" command.)
scs.subsession->sink = DummySink::createNew(env, *scs.subsession, arc, rtspClient->url());
// perhaps use your own custom "MediaSink" subclass instead
if (scs.subsession->sink == NULL) {
env << *rtspClient << "Failed to create a data sink for the \"" << *scs.subsession
<< "\" subsession: " << env.getResultMsg() << "\n";
break;
}
env << *rtspClient << "Created a data sink for the \"" << *scs.subsession << "\" subsession\n";
scs.subsession->miscPtr = rtspClient; // a hack to let subsession handle functions get the "RTSPClient" from the subsession
scs.subsession->sink->startPlaying(*(scs.subsession->readSource()),
subsessionAfterPlaying, scs.subsession);
// Also set a handler to be called if a RTCP "BYE" arrives for this subsession:
if (scs.subsession->rtcpInstance() != NULL) {
scs.subsession->rtcpInstance()->setByeHandler(subsessionByeHandler, scs.subsession);
}
} while (0);
delete[] resultString;
// Set up the next subsession, if any:
setupNextSubsession(rtspClient);
}
int CAimer39RTSPClient::Play()
{
// Then, create and set up our data source objects for the session. We do this by iterating over the session's 'subsessions',
// calling "MediaSubsession::initiate()", and then sending a RTSP "SETUP" command, on each one.
// (Each 'subsession' will have its own data source.)
m_pRTSPClient->scs.iter = new MediaSubsessionIterator(*(m_pRTSPClient->scs.session));
setupNextSubsession( m_pRTSPClient );
m_bIsPlay = true;
m_nRecvBytes = 0;
m_nRecvVideoBytes = 0;
timeval stTime = {0};
m_StaticClock.start(stTime);
return m_errorCode;
}
void continueAfterSETUP(RTSPClient* rtspClient, int resultCode, char* resultString) {
(void)resultString;
do {
UsageEnvironment& env = rtspClient->envir(); // alias
StreamClientState& scs = ((ourRTSPClient*)rtspClient)->scs; // alias
if (resultCode != 0) {
env << *rtspClient << "Failed to set up the \"" << *scs.subsession << "\" subsession: " << env.getResultMsg() << "\n";
break;
}
// env << *rtspClient << "Set up the \"" << *scs.subsession
//<< "\" subsession (client ports " << scs.subsession->clientPortNum() << "-" << scs.subsession->clientPortNum()+1 << ")\n";
// Having successfully setup the subsession, create a data sink for it, and call "startPlaying()" on it.
// (This will prepare the data sink to receive data; the actual flow of data from the client won't start happening until later,
// after we've sent a RTSP "PLAY" command.)
scs.subsession->sink = DummySink::createNew(env, *scs.subsession, rtspClient->url());
// perhaps use your own custom "MediaSink" subclass instead
if (scs.subsession->sink == NULL) {
env << *rtspClient << "Failed to create a data sink for the \"" << *scs.subsession
<< "\" subsession: " << env.getResultMsg() << "\n";
break;
}
ourRTSPClient* ourClient = (ourRTSPClient*)rtspClient;
DummySink* ourSink = (DummySink*)scs.subsession->sink;
ourSink->SetDataCallback(ourClient->_channel, ourClient->_cb);
// env << *rtspClient << "Created a data sink for the \"" << *scs.subsession << "\" subsession\n";
scs.subsession->miscPtr = rtspClient; // a hack to let subsession handle functions get the "RTSPClient" from the subsession
scs.subsession->sink->startPlaying(*(scs.subsession->readSource()),
subsessionAfterPlaying, scs.subsession);
// Also set a handler to be called if a RTCP "BYE" arrives for this subsession:
if (scs.subsession->rtcpInstance() != NULL) {
scs.subsession->rtcpInstance()->setByeHandler(subsessionByeHandler, scs.subsession);
}
} while (0);
// Set up the next subsession, if any:
setupNextSubsession(rtspClient);
}
void setupNextSubsession(RTSPClient* rtspClient) {
UsageEnvironment& env = rtspClient->envir(); // alias
StreamClientState& scs = ((ourRTSPClient*)rtspClient)->scs; // alias
scs.subsession = scs.iter->next();
if (scs.subsession != NULL) {
if (!scs.subsession->initiate()) {
env << *rtspClient << "Failed to initiate the \"" << *scs.subsession << "\" subsession: " << env.getResultMsg() << "\n";
setupNextSubsession(rtspClient); // give up on this subsession; go to the next one
} else {
env << *rtspClient << "Initiated the \"" << *scs.subsession
<< "\" subsession (client ports " << scs.subsession->clientPortNum() << "-" << scs.subsession->clientPortNum()+1 << ")\n";
// 20140625 albert.liao modified start
// Continue setting up this subsession, by sending a RTSP "SETUP" command:
rtspClient->sendSetupCommand(*scs.subsession, continueAfterSETUP, False, REQUEST_STREAMING_OVER_TCP);
// TODO: rtsp server should create PassiveServerMediaSubsession,
// so that multicast can work
// rtspClient->sendSetupCommand(*scs.subsession,
// continueAfterSETUP,
// False,//True, /* streamOutgoing, for darwin */
// REQUEST_STREAMING_OVER_TCP,
// True, /*Multicast*/
// NULL);
// 20140625 albert.liao modified end
}
return;
}
// We've finished setting up all of the subsessions. Now, send a RTSP "PLAY" command to start the streaming:
if (scs.session->absStartTime() != NULL) {
// Special case: The stream is indexed by 'absolute' time, so send an appropriate "PLAY" command:
rtspClient->sendPlayCommand(*scs.session, continueAfterPLAY, scs.session->absStartTime(), scs.session->absEndTime());
} else {
scs.duration = scs.session->playEndTime() - scs.session->playStartTime();
rtspClient->sendPlayCommand(*scs.session, continueAfterPLAY);
}
}
void continueAfterSETUP(RTSPClient* rtspClient, int resultCode, char* resultString) {
do {
UsageEnvironment& env = rtspClient->envir(); // alias
StreamClientState& scs = ((ourRTSPClient*)rtspClient)->scs; // alias
if (resultCode != 0) {
env << *rtspClient << "Failed to set up the \"" << *scs.subsession << "\" subsession: " << resultString << "\n";
break;
}
env << *rtspClient << "Set up the \"" << *scs.subsession
<< "\" subsession (client ports " << scs.subsession->clientPortNum() << "-" << scs.subsession->clientPortNum()+1 << ")\n";
const char *sprop = scs.subsession->fmtp_spropparametersets();
uint8_t const* sps = NULL;
unsigned spsSize = 0;
uint8_t const* pps = NULL;
unsigned ppsSize = 0;
if (sprop != NULL) {
unsigned numSPropRecords;
SPropRecord* sPropRecords = parseSPropParameterSets(sprop, numSPropRecords);
for (unsigned i = 0; i < numSPropRecords; ++i) {
if (sPropRecords[i].sPropLength == 0) continue; // bad data
u_int8_t nal_unit_type = (sPropRecords[i].sPropBytes[0])&0x1F;
if (nal_unit_type == 7/*SPS*/) {
sps = sPropRecords[i].sPropBytes;
spsSize = sPropRecords[i].sPropLength;
} else if (nal_unit_type == 8/*PPS*/) {
pps = sPropRecords[i].sPropBytes;
ppsSize = sPropRecords[i].sPropLength;
}
}
}
// Having successfully setup the subsession, create a data sink for it, and call "startPlaying()" on it.
// (This will prepare the data sink to receive data; the actual flow of data from the client won't start happening until later,
// after we've sent a RTSP "PLAY" command.)
scs.subsession->sink = DummySink::createNew(env, *scs.subsession, rtspClient->url());
// perhaps use your own custom "MediaSink" subclass instead
if (scs.subsession->sink == NULL) {
env << *rtspClient << "Failed to create a data sink for the \"" << *scs.subsession
<< "\" subsession: " << env.getResultMsg() << "\n";
break;
}
env << *rtspClient << "Created a data sink for the \"" << *scs.subsession << "\" subsession\n";
scs.subsession->miscPtr = rtspClient; // a hack to let subsession handle functions get the "RTSPClient" from the subsession
if (sps != NULL) {
((DummySink *)scs.subsession->sink)->setSprop(sps, spsSize);
}
if (pps != NULL) {
((DummySink *)scs.subsession->sink)->setSprop(pps, ppsSize);
}
scs.subsession->sink->startPlaying(*(scs.subsession->readSource()),
subsessionAfterPlaying, scs.subsession);
// Also set a handler to be called if a RTCP "BYE" arrives for this subsession:
if (scs.subsession->rtcpInstance() != NULL) {
scs.subsession->rtcpInstance()->setByeHandler(subsessionByeHandler, scs.subsession);
}
} while (0);
delete[] resultString;
// Set up the next subsession, if any:
setupNextSubsession(rtspClient);
}
