int CMPIPTV_RTSP::SendRtspCommand(const TCHAR *method, const TCHAR *command, MediaSubsession *subsession)
{
this->logger.Log(LOGGER_VERBOSE, _T("%s: %s: send %s command"), PROTOCOL_IMPLEMENTATION_NAME, method, command);
ResetEvent(this->rtspResponseEvent);
if (_tcscmp(command, _T("OPTIONS")) == 0)
{
this->rtspClient->sendOptionsCommand(&CMPIPTV_RTSP::OnRtspResponseReceived);
}
else if (_tcscmp(command, _T("DESCRIBE")) == 0)
{
this->rtspClient->sendDescribeCommand(&CMPIPTV_RTSP::OnRtspResponseReceived);
}
else if (_tcscmp(command, _T("SETUP")) == 0)
{
this->rtspClient->sendSetupCommand(*subsession, &CMPIPTV_RTSP::OnRtspResponseReceived);
}
else if (_tcscmp(command, _T("PLAY")) == 0)
{
this->rtspClient->sendPlayCommand(*this->rtspSession, &CMPIPTV_RTSP::OnRtspResponseReceived);
}
else if (_tcscmp(command, _T("TEARDOWN")) == 0)
{
this->rtspClient->sendTeardownCommand(*this->rtspSession, &CMPIPTV_RTSP::OnRtspResponseReceived);
}
else
{
return STATUS_ERROR;
}
if (WaitForSingleObject(this->rtspResponseEvent, this->rtspCommandResponseTimeout) == WAIT_TIMEOUT)
{
this->logger.Log(LOGGER_ERROR, _T("%s: %s: %s command timed out"), PROTOCOL_IMPLEMENTATION_NAME, method, command);
return STATUS_ERROR;
}
if (this->rtspResponseResultCode != 0)
{
#ifdef _MBCS
TCHAR *convertedRtspResponse = ConvertToMultiByteA(&this->rtspResponseResultString[0]);
#else
TCHAR *convertedRtspResponse = ConvertToUnicodeA(&this->rtspResponseResultString[0]);
#endif
this->logger.Log(LOGGER_ERROR, _T("%s: %s: %s command failed, code = %i, response = %s"), PROTOCOL_IMPLEMENTATION_NAME, method, command, this->rtspResponseResultCode, (convertedRtspResponse == NULL) ? _T("unable to get message") : convertedRtspResponse);
FREE_MEM(convertedRtspResponse);
return STATUS_ERROR;
}
#ifdef _MBCS
TCHAR *convertedRtspResponse = ConvertToMultiByteA(&this->rtspResponseResultString[0]);
#else
TCHAR *convertedRtspResponse = ConvertToUnicodeA(&this->rtspResponseResultString[0]);
#endif
this->logger.Log(LOGGER_VERBOSE, _T("%s: %s: %s command succeeded, response = %s"), PROTOCOL_IMPLEMENTATION_NAME, method, command, (convertedRtspResponse == NULL) ? _T("unable to get message") : convertedRtspResponse);
FREE_MEM(convertedRtspResponse);
return STATUS_OK;
}
void CMPIPTV_RTSP::LogFullRtspMessage(unsigned int loggerLevel, const TCHAR* messagePrefix, const char *message)
{
#ifdef _MBCS
TCHAR *convertedRtspMessage = ConvertToMultiByteA(message);
#else
TCHAR *convertedRtspMessage = ConvertToUnicodeA(message);
#endif
this->logger.Log(loggerLevel, _T("%s%s %s"), messagePrefix, (convertedRtspMessage == NULL) ? _T(",") : _T(":"), (convertedRtspMessage == NULL) ? _T("unable to get message") : convertedRtspMessage);
FREE_MEM(convertedRtspMessage);
}
void CMPIPTV_RTSP::LogRtspMessage(unsigned int loggerLevel, const TCHAR *method, const TCHAR *message)
{
const char *lastRtspMessage = this->rtspEnvironment->getResultMsg();
#ifdef _MBCS
TCHAR *convertedRtspMessage = ConvertToMultiByteA(lastRtspMessage);
#else
TCHAR *convertedRtspMessage = ConvertToUnicodeA(lastRtspMessage);
#endif
this->logger.Log(loggerLevel, _T("%s: %s: %s, %s"), PROTOCOL_IMPLEMENTATION_NAME, method, message, (convertedRtspMessage == NULL) ? _T("unable to get message") : convertedRtspMessage);
FREE_MEM(convertedRtspMessage);
}
char *CMPIPTV_RTSP::GetLastRtspMessageA(void)
{
return ConvertToMultiByteA(this->rtspEnvironment->getResultMsg());
}
int CMPIPTV_RTSP::OpenConnection(void)
{
this->logger.Log(LOGGER_INFO, METHOD_START_FORMAT, PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME);
int result = STATUS_OK;
this->rtspClient = RTSPClient::createNew(*this->rtspEnvironment);
result |= (this->rtspClient == NULL);
if (result == STATUS_OK)
{
// RTSPClient works with char, not with TCHAR
char *tempRtspUrl = ConvertToMultiByte(this->rtspUrl);
result |= (tempRtspUrl == NULL);
if (result == STATUS_OK)
{
char* optionsResult = this->rtspClient->sendOptionsCmd(tempRtspUrl, NULL, NULL, NULL, this->receiveDataTimeout / 2000);
result |= (optionsResult == NULL);
if (result != STATUS_OK)
{
TCHAR *message = FormatString(METHOD_MESSAGE_FORMAT, PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME, _T("error occured while sending OPTIONS command"));
this->LogRtspMessage(LOGGER_ERROR, message);
FREE_MEM(message);
}
else
{
TCHAR *message = FormatString(METHOD_MESSAGE_FORMAT, PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME, _T("OPTIONS result"));
this->LogFullRtspMessage(LOGGER_VERBOSE, message, optionsResult);
FREE_MEM(message);
char *describeResult = this->rtspClient->describeURL(tempRtspUrl, NULL, FALSE, this->receiveDataTimeout / 2000);
result |= (describeResult == NULL);
if (result != STATUS_OK)
{
TCHAR *message = FormatString(METHOD_MESSAGE_FORMAT, PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME, _T("error occured while sending DESCRIBE command"));
this->LogRtspMessage(LOGGER_ERROR, message);
FREE_MEM(message);
}
else
{
TCHAR *message = FormatString(METHOD_MESSAGE_FORMAT, PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME, _T("DESCRIBE result"));
this->LogFullRtspMessage(LOGGER_VERBOSE, message, describeResult);
FREE_MEM(message);
this->rtspSession = MediaSession::createNew(*this->rtspEnvironment, describeResult);
result |= (this->rtspSession == NULL);
if (result != STATUS_OK)
{
TCHAR *message = FormatString(METHOD_MESSAGE_FORMAT, PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME, _T("error occured while creating new session"));
this->LogRtspMessage(LOGGER_ERROR, message);
FREE_MEM(message);
}
else
{
result |= (!this->rtspSession->hasSubsessions());
if (result != STATUS_OK)
{
this->logger.Log(LOGGER_ERROR, METHOD_MESSAGE_FORMAT, PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME, _T("session doesn't have subsessions"));
}
else
{
// Then, setup the "RTPSource"s for the session:
MediaSubsessionIterator iter(*this->rtspSession);
MediaSubsession *subsession = NULL;
while ((result == STATUS_OK) && ((subsession = iter.next()) != NULL))
{
char *tempSubSessionName = (char *)subsession->mediumName();
char *tempSubSessionCodecName = (char *)subsession->codecName();
#ifdef _MBCS
TCHAR *subSessionName = ConvertToMultiByteA(tempSubSessionName);
TCHAR *subSessionCodecName = ConvertToMultiByteA(tempSubSessionCodecName);
#else
TCHAR *subSessionName = ConvertToUnicodeA(tempSubSessionName);
TCHAR *subSessionCodecName = ConvertToUnicodeA(tempSubSessionCodecName);
#endif
if (!subsession->initiate())
{
result = STATUS_ERROR;
TCHAR *message = FormatString(_T("%s: %s: unable to create receiver for subsession '%s', codec '%s'"), PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME, subSessionName, subSessionCodecName);
this->LogRtspMessage(LOGGER_ERROR, message);
FREE_MEM(message);
}
else
{
this->logger.Log(LOGGER_VERBOSE, _T("%s: %s: created receiver for subsession '%s', codec '%s'"), PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME, subSessionName, subSessionCodecName);
// set session ID, doesn't matter what
subsession->sessionId = tempSubSessionName;
if (subsession->rtpSource() != NULL)
{
// because we're saving the incoming data, rather than playing
// it in real time, allow an especially large time threshold
// (1 second) for reordering misordered incoming packets:
unsigned const thresh = 1000000; // 1 second
subsession->rtpSource()->setPacketReorderingThresholdTime(thresh);
// set the RTP source's OS socket buffer size as appropriate
int socketNum = subsession->rtpSource()->RTPgs()->socketNum();
unsigned int currentBufferSize = getReceiveBufferSize(*this->rtspEnvironment, socketNum);
if (this->defaultBufferSize > currentBufferSize)
{
setReceiveBufferTo(*this->rtspEnvironment, socketNum, this->defaultBufferSize);
unsigned setBufferSize = getReceiveBufferSize(*this->rtspEnvironment, socketNum);
if (setBufferSize == this->defaultBufferSize)
{
this->logger.Log(LOGGER_VERBOSE, _T("%s: %s: set buffer size for subsession '%s' successful, previous size: %i, requested size: %i, current size: %i"), PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME, subSessionName, currentBufferSize, this->defaultBufferSize, setBufferSize);
}
else
{
result = STATUS_ERROR;
this->logger.Log(LOGGER_ERROR, _T("%s: %s: set buffer size for subsession '%s' failed, previous size: %i, requested size: %i, current size: %i"), PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME, subSessionName, currentBufferSize, this->defaultBufferSize, setBufferSize);
}
}
if (_tcsncicmp(subSessionName, _T("audio"), 5) == 0)
{
// audio
this->logger.Log(LOGGER_VERBOSE, _T("%s: %s: audio subsession '%s'"), PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME, subSessionName);
result |= (!rtspClient->setupMediaSubsession(*subsession));
if (result != STATUS_OK)
{
// error occured
TCHAR *message = FormatString(METHOD_MESSAGE_FORMAT, PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME, _T("error while setup subsession"));
this->LogRtspMessage(LOGGER_ERROR, message);
FREE_MEM(message);
}
else
{
this->logger.Log(LOGGER_WARNING, METHOD_MESSAGE_FORMAT, PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME, _T("subsession audio codec not supported"));
}
}
else if (_tcsncicmp(subSessionName, _T("video"), 5) == 0)
{
// video
this->logger.Log(LOGGER_VERBOSE, _T("%s: %s: video subsession '%s'"), PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME, subSessionName);
result |= (!rtspClient->setupMediaSubsession(*subsession));
if (result != STATUS_OK)
{
// error occured
TCHAR *message = FormatString(METHOD_MESSAGE_FORMAT, PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME, _T("error while setup subsession"));
this->LogRtspMessage(LOGGER_ERROR, message);
FREE_MEM(message);
}
else
{
if (_tcsncicmp(subSessionCodecName, _T("MP2T"), 4) == 0)
{
// MPEG2 Transport Stream
// set new RTSP source
this->rtspSource = subsession->rtpSource();
if (subsession->rtcpInstance() != NULL)
{
this->logger.Log(LOGGER_VERBOSE, METHOD_MESSAGE_FORMAT, PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME, _T("set subsession 'Bye' handler"));
subsession->rtcpInstance()->setByeHandler(SubsessionByeHandler, this);
}
}
else if (_tcsncicmp(subSessionCodecName, _T("H264"), 4) == 0)
{
// H264 codec, HD TV
this->logger.Log(LOGGER_ERROR, METHOD_MESSAGE_FORMAT, PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME, _T("H264 not supported"));
result = STATUS_ERROR;
}
else
{
// SD TV
this->logger.Log(LOGGER_ERROR, METHOD_MESSAGE_FORMAT, PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME, _T("other subsession video codec than MP2T not supported"));
result = STATUS_ERROR;
}
}
}
else
{
this->logger.Log(LOGGER_WARNING, _T("%s: %s: unknown subsession '%s', ignored"), PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME, subSessionName);
}
}
else
{
this->logger.Log(LOGGER_WARNING, _T("%s: %s: subsession '%s' doesn't have RTP source"), PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME, subSessionName);
}
}
// free subsession name and codec name
FREE_MEM(subSessionName);
FREE_MEM(subSessionCodecName);
}
// we should have some RTSP source
result |= (this->rtspSource == NULL);
if (result == STATUS_OK)
{
result |= (!this->rtspClient->playMediaSession(*this->rtspSession));
if (result != STATUS_OK)
{
// error occured
TCHAR *message = FormatString(METHOD_MESSAGE_FORMAT, PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME, _T("error while playing session"));
this->LogRtspMessage(LOGGER_ERROR, message);
FREE_MEM(message);
}
else
{
// create UDP socket and start playing
struct in_addr destinationAddress;
destinationAddress.s_addr = our_inet_addr("127.0.0.1");
unsigned int port = this->rtspUdpPortRangeStart;
do
{
this->logger.Log(LOGGER_VERBOSE, _T("%s: %s: UDP port %u"), PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME, port);
// special construction force not reuse same UDP port
{
NoReuse noReuse;
this->rtspUdpGroupsock = new Groupsock(*this->rtspEnvironment, destinationAddress, port, 1);
}
if (this->rtspUdpGroupsock->socketNum() == (-1))
{
this->logger.Log(LOGGER_ERROR, _T("%s: %s: UDP port %u occupied, trying another port"), PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME, port);
port++;
delete this->rtspUdpGroupsock;
this->rtspUdpGroupsock = NULL;
}
}
while ((this->rtspUdpGroupsock == NULL) && (port <= this->rtspUdpPortRangeEnd));
result |= (this->rtspUdpGroupsock == NULL);
if (result != STATUS_OK)
{
this->logger.Log(LOGGER_ERROR, METHOD_MESSAGE_FORMAT, PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME, _T("cannot create UDP sink, no free port"));
}
else
{
this->rtspUdpSink = BasicUDPSink::createNew(*this->rtspEnvironment, this->rtspUdpGroupsock, this->rtspUdpSinkMaxPayloadSize);
result |= (this->rtspUdpSink == NULL);
if (result != STATUS_OK)
{
TCHAR *message = FormatString(METHOD_MESSAGE_FORMAT, PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME, _T("cannot create UDP sink"));
this->LogRtspMessage(LOGGER_ERROR, message);
FREE_MEM(message);
}
else
{
if (this->rtspUdpSink->startPlaying(*this->rtspSource, NULL, NULL))
{
this->logger.Log(LOGGER_INFO, METHOD_MESSAGE_FORMAT, PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME, _T("playing started"));
// now create UDP connection
TCHAR *url = FormatString(_T("udp://@127.0.0.1:%u"), port);
result |= (url == NULL);
if (result == STATUS_OK)
{
// parse UDP url
// ParseURL calls ClearSession and IsConnected must return FALSE
// in another case will be current RTSP connection closed
result = this->CMPIPTV_UDP::ParseUrl(url, NULL);
if (result == STATUS_OK)
{
// connect to UDP url
result = this->CMPIPTV_UDP::OpenConnection();
}
}
FREE_MEM(url);
}
else
{
result = STATUS_ERROR;
TCHAR *message = FormatString(METHOD_MESSAGE_FORMAT, PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME, _T("error occured while starting playing"));
this->LogRtspMessage(LOGGER_ERROR, message);
FREE_MEM(message);
}
}
}
}
}
}
}
}
}
if (optionsResult != NULL)
{
delete[] optionsResult;
optionsResult = NULL;
}
}
FREE_MEM(tempRtspUrl);
}
if (result == STATUS_OK)
{
// start winsock worker thread
this->rtspSchedulerThreadHandle = CreateThread(
NULL, // default security attributes
0, // use default stack size
&CMPIPTV_RTSP::RtspSchedulerWorker, // thread function name
this, // argument to thread function
0, // use default creation flags
&this->rtspSchedulerThreadId); // returns the thread identifier
if (this->rtspSchedulerThreadHandle == NULL)
{
// thread not created
result = STATUS_ERROR;
this->logger.Log(LOGGER_ERROR, _T("%s: %s: cannot create RTSP scheduler thread, error: %i"), PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME, GetLastError());
}
}
if (result != STATUS_OK)
{
// if failed opening connection, than close connection
this->CloseConnection();
}
this->logger.Log(LOGGER_INFO, (result == STATUS_OK) ? METHOD_END_FORMAT : METHOD_END_FAIL_FORMAT, PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME);
return (result == STATUS_OK) ? STATUS_OK : STATUS_ERROR;
}
int CMPIPTV_RTSP::OpenConnection(void)
{
this->logger.Log(LOGGER_INFO, METHOD_START_FORMAT, PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME);
this->isRtspSessionSetup = false;
// LIVE555 works with char, not with TCHAR
char *tempRtspUrl = ConvertToMultiByte(this->rtspUrl);
if (tempRtspUrl == NULL)
{
return STATUS_ERROR;
}
// start LIVE555 worker thread
this->rtspSchedulerThreadHandle = CreateThread(
NULL, // default security attributes
0, // use default stack size
&CMPIPTV_RTSP::RtspSchedulerWorker, // thread function name
this, // argument to thread function
0, // use default creation flags
&this->rtspSchedulerThreadId); // returns the thread identifier
if (this->rtspSchedulerThreadHandle == NULL)
{
this->logger.Log(LOGGER_ERROR, _T("%s: %s: failed to create RTSP scheduler thread, error = %i"), PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME, GetLastError());
return STATUS_ERROR;
}
this->rtspClient = MPRTSPClient::createNew(this, *this->rtspEnvironment, tempRtspUrl);
FREE_MEM(tempRtspUrl);
if (
this->rtspClient == NULL ||
SendRtspCommand(METHOD_OPEN_CONNECTION_NAME, _T("OPTIONS")) != STATUS_OK ||
SendRtspCommand(METHOD_OPEN_CONNECTION_NAME, _T("DESCRIBE")) != STATUS_OK
)
{
CloseConnection();
return STATUS_ERROR;
}
this->rtspSession = MediaSession::createNew(*this->rtspEnvironment, this->rtspResponseResultString);
if (this->rtspSession == NULL || !this->rtspSession->hasSubsessions())
{
this->LogRtspMessage(LOGGER_ERROR, METHOD_OPEN_CONNECTION_NAME, this->rtspSession == NULL ? _T("failed to create session") : _T("session doesn't have sub-sessions"));
CloseConnection();
return STATUS_ERROR;
}
// Setup the RTP source for the session. Only one sub-session expected/supported.
MediaSubsessionIterator iter(*this->rtspSession);
MediaSubsession *subsession = NULL;
FramedSource *rtspSource = NULL;
while ((subsession = iter.next()) != NULL)
{
#ifdef _MBCS
TCHAR *subSessionName = ConvertToMultiByteA(subsession->mediumName());
TCHAR *subSessionCodecName = ConvertToMultiByteA(subsession->codecName());
#else
TCHAR *subSessionName = ConvertToUnicodeA(subsession->mediumName());
TCHAR *subSessionCodecName = ConvertToUnicodeA(subsession->codecName());
#endif
if (_tcsncicmp(subSessionName, _T("video"), 5) != 0 || _tcsncicmp(subSessionCodecName, _T("MP2T"), 4) != 0)
{
TCHAR *message = FormatString(_T("sub-session medium or codec not supported, medium = %s, codec = %s"), subSessionName, subSessionCodecName);
this->LogRtspMessage(LOGGER_ERROR, METHOD_OPEN_CONNECTION_NAME, message);
FREE_MEM(message);
FREE_MEM(subSessionName);
FREE_MEM(subSessionCodecName);
continue;
}
// If a client port is configured, find a free pair of ports in the range.
// The first port is used for RTP; the second port is used for RTCP. Once
// we find one free port, we assume the next one is also free.
if (this->rtspRtpClientPortRangeStart > 0)
{
struct in_addr destinationAddress;
destinationAddress.s_addr = our_inet_addr("127.0.0.1");
unsigned int port = this->rtspRtpClientPortRangeStart;
Groupsock *groupsock = NULL;
do
{
this->logger.Log(LOGGER_VERBOSE, _T("%s: %s: RTP client port %u"), PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME, port);
// special construction force not reuse same UDP port
{
NoReuse noReuse(*this->rtspEnvironment);
groupsock = new Groupsock(*this->rtspEnvironment, destinationAddress, port, 1);
}
if (groupsock == NULL || groupsock->socketNum() == -1)
{
this->logger.Log(LOGGER_WARNING, _T("%s: %s: RTP client port %u occupied, trying next even port"), PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME, port);
port += 2;
if (groupsock != NULL)
{
delete groupsock;
groupsock = NULL;
}
}
}
while ((groupsock == NULL) && (port <= this->rtspRtpClientPortRangeEnd));
// Did we find a free port? If not, we fall back to a random port chosen
// by LIVE555.
if (groupsock != NULL)
{
delete groupsock;
groupsock = NULL;
subsession->setClientPortNum(port);
}
}
if (!subsession->initiate() || subsession->rtpSource() == NULL)
{
TCHAR *message = FormatString(_T("failed to create receiver for sub-session, medium = %s, codec = %s"), subSessionName, subSessionCodecName);
this->LogRtspMessage(LOGGER_ERROR, METHOD_OPEN_CONNECTION_NAME, message);
FREE_MEM(message);
FREE_MEM(subSessionName);
FREE_MEM(subSessionCodecName);
continue;
}
this->logger.Log(LOGGER_VERBOSE, _T("%s: %s: created receiver for sub-session, medium = %s, codec = %s"), PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME, subSessionName, subSessionCodecName);
FREE_MEM(subSessionName);
FREE_MEM(subSessionCodecName);
// set session ID, doesn't matter what
subsession->setSessionId(subsession->mediumName());
// because we're saving the incoming data, rather than playing
// it in real time, allow an especially large time threshold
// for reordering misordered incoming packets:
subsession->rtpSource()->setPacketReorderingThresholdTime(1000000); // 1 second
// set the RTP source's OS socket buffer size as appropriate
int socketNum = subsession->rtpSource()->RTPgs()->socketNum();
unsigned int currentBufferSize = getReceiveBufferSize(*this->rtspEnvironment, socketNum);
if (this->defaultBufferSize > currentBufferSize)
{
setReceiveBufferTo(*this->rtspEnvironment, socketNum, this->defaultBufferSize);
unsigned setBufferSize = getReceiveBufferSize(*this->rtspEnvironment, socketNum);
if (setBufferSize == this->defaultBufferSize)
{
this->logger.Log(LOGGER_VERBOSE, _T("%s: %s: set buffer size for sub-session, previous size = %i, requested size = %i, current size = %i"), PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME, subSessionName, currentBufferSize, this->defaultBufferSize, setBufferSize);
}
else
{
this->logger.Log(LOGGER_WARNING, _T("%s: %s: failed to set buffer size for sub-session, previous size = %i, requested size = %i, current size = %i"), PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME, subSessionName, currentBufferSize, this->defaultBufferSize, setBufferSize);
}
}
if (SendRtspCommand(METHOD_OPEN_CONNECTION_NAME, _T("SETUP"), subsession) != STATUS_OK)
{
CloseConnection();
return STATUS_ERROR;
}
rtspSource = subsession->rtpSource();
break;
}
// If we don't have an RTSP source then we can't continue.
if (rtspSource == NULL)
{
CloseConnection();
return STATUS_ERROR;
}
this->isRtspSessionSetup = true;
if (SendRtspCommand(METHOD_OPEN_CONNECTION_NAME, _T("PLAY")) != STATUS_OK)
{
CloseConnection();
return STATUS_ERROR;
}
// create UDP socket and start playing
struct in_addr destinationAddress;
destinationAddress.s_addr = our_inet_addr("127.0.0.1");
unsigned int port = this->rtspUdpPortRangeStart;
do
{
this->logger.Log(LOGGER_VERBOSE, _T("%s: %s: UDP port %u"), PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME, port);
// special construction force not reuse same UDP port
{
NoReuse noReuse(*this->rtspEnvironment);
this->rtspUdpGroupsock = new Groupsock(*this->rtspEnvironment, destinationAddress, port, 1);
}
if (this->rtspUdpGroupsock == NULL || this->rtspUdpGroupsock->socketNum() == -1)
{
this->logger.Log(LOGGER_WARNING, _T("%s: %s: UDP port %u occupied, trying another port"), PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME, port);
port++;
if (this->rtspUdpGroupsock != NULL)
{
delete this->rtspUdpGroupsock;
this->rtspUdpGroupsock = NULL;
}
}
}
while ((this->rtspUdpGroupsock == NULL) && (port <= this->rtspUdpPortRangeEnd));
if (this->rtspUdpGroupsock == NULL)
{
this->logger.Log(LOGGER_ERROR, METHOD_MESSAGE_FORMAT, PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME, _T("failed to create UDP socket, no free port"));
CloseConnection();
return STATUS_ERROR;
}
this->rtspUdpSink = BasicUDPSink::createNew(*this->rtspEnvironment, this->rtspUdpGroupsock, this->rtspUdpSinkMaxPayloadSize);
if (this->rtspUdpSink == NULL)
{
this->logger.Log(LOGGER_ERROR, METHOD_MESSAGE_FORMAT, PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME, _T("failed to create UDP sink"));
CloseConnection();
return STATUS_ERROR;
}
if (!this->rtspUdpSink->startPlaying(*rtspSource, NULL, NULL))
{
this->LogRtspMessage(LOGGER_ERROR, METHOD_OPEN_CONNECTION_NAME, _T("failed to start UDP sink"));
CloseConnection();
return STATUS_ERROR;
}
this->logger.Log(LOGGER_INFO, METHOD_MESSAGE_FORMAT, PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME, _T("streaming started"));
// create a UDP connection to the local stream
TCHAR *url = FormatString(_T("udp://@127.0.0.1:%u"), port);
if (
url == NULL ||
this->CMPIPTV_UDP::ParseUrl(url, NULL) != STATUS_OK ||
this->CMPIPTV_UDP::OpenConnection() != STATUS_OK
)
{
FREE_MEM(url);
this->logger.Log(LOGGER_INFO, METHOD_END_FAIL_FORMAT, PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME);
CloseConnection();
return STATUS_ERROR;
}
FREE_MEM(url);
this->logger.Log(LOGGER_INFO, METHOD_END_FORMAT, PROTOCOL_IMPLEMENTATION_NAME, METHOD_OPEN_CONNECTION_NAME);
return STATUS_OK;
}