QTSS_Error ProcessRelayRTPData(QTSS_RelayingData_Params* inParams)
{
ReflectorSession* theSession = NULL;
RTSPRelaySession* relaySes = (RTSPRelaySession*)inParams->inRTSPSession;
theSession = relaySes->GetReflectorSession();
if (theSession == NULL)
return QTSS_NoErr;
SourceInfo* theSoureInfo = theSession->GetSourceInfo();
Assert(theSoureInfo != NULL);
if (theSoureInfo == NULL)
return QTSS_NoErr;
UInt32 numStreams = theSession->GetNumStreams();
char* packetData= inParams->inPacketData;
UInt8 packetChannel = inParams->inChannel;
UInt16 packetDataLen = inParams->inPacketLen;
char* rtpPacket = &packetData[0];
{
UInt32 inIndex = packetChannel / 2;
ReflectorStream* theStream = NULL;
if (inIndex < numStreams)
{
theStream = theSession->GetStreamByIndex(inIndex);
SourceInfo::StreamInfo* theStreamInfo =theStream->GetStreamInfo();
UInt16 serverReceivePort =theStreamInfo->fPort;
Bool16 isRTCP =false;
if (theStream != NULL)
{ if (packetChannel & 1)
{ serverReceivePort ++;
isRTCP = true;
}
theStream->PushPacket(rtpPacket,packetDataLen, isRTCP);
}
}
}
return QTSS_NoErr;
}
QTSS_Error DoSetup(QTSS_StandardRTSP_Params* inParams)
{
ReflectorSession* theSession = NULL;
UInt32 len = sizeof(theSession);
QTSS_GetValue(inParams->inRTSPSession, sRTSPBroadcastSessionAttr, 0, &theSession, &len);
if(theSession == NULL)
return QTSS_RequestFailed;
Bool16 foundSession = false;
UInt32 theLen = 0;
RTPSessionOutput** theOutput = NULL;
QTSS_Error theErr = QTSS_GetValuePtr(inParams->inClientSession, sOutputAttr, 0, (void**)&theOutput, &theLen);
if (theLen != sizeof(RTPSessionOutput*))
{
if (theErr != QTSS_NoErr)
{
RTPSessionOutput* theNewOutput = NEW RTPSessionOutput(inParams->inClientSession, theSession, sServerPrefs, sStreamCookieAttr );
theSession->AddOutput(theNewOutput,true);
(void)QTSS_SetValue(inParams->inClientSession, sOutputAttr, 0, &theNewOutput, sizeof(theNewOutput));
}
}
//unless there is a digit at the end of this path (representing trackID), don't
//even bother with the request
char* theDigitStr = NULL;
(void)QTSS_GetValueAsString(inParams->inRTSPRequest, qtssRTSPReqFileDigit, 0, &theDigitStr);
QTSSCharArrayDeleter theDigitStrDeleter(theDigitStr);
if (theDigitStr == NULL)
{
return QTSSModuleUtils::SendErrorResponse(inParams->inRTSPRequest, qtssClientBadRequest,sExpectedDigitFilenameErr);
}
UInt32 theTrackID = ::strtol(theDigitStr, NULL, 10);
// Get info about this trackID
SourceInfo::StreamInfo* theStreamInfo = theSession->GetSourceInfo()->GetStreamInfoByTrackID(theTrackID);
// If theStreamInfo is NULL, we don't have a legit track, so return an error
if (theStreamInfo == NULL)
return QTSSModuleUtils::SendErrorResponse(inParams->inRTSPRequest, qtssClientBadRequest,
sReflectorBadTrackIDErr);
StrPtrLen* thePayloadName = &theStreamInfo->fPayloadName;
QTSS_RTPPayloadType thePayloadType = theStreamInfo->fPayloadType;
StringParser parser(thePayloadName);
parser.GetThru(NULL, '/');
theStreamInfo->fTimeScale = parser.ConsumeInteger(NULL);
if (theStreamInfo->fTimeScale == 0)
theStreamInfo->fTimeScale = 90000;
QTSS_RTPStreamObject newStream = NULL;
{
// Ok, this is completely crazy but I can't think of a better way to do this that's
// safe so we'll do it this way for now. Because the ReflectorStreams use this session's
// stream queue, we need to make sure that each ReflectorStream is not reflecting to this
// session while we call QTSS_AddRTPStream. One brutal way to do this is to grab each
// ReflectorStream's mutex, which will stop every reflector stream from running.
for (UInt32 x = 0; x < theSession->GetNumStreams(); x++)
theSession->GetStreamByIndex(x)->GetMutex()->Lock();
theErr = QTSS_AddRTPStream(inParams->inClientSession, inParams->inRTSPRequest, &newStream, 0);
for (UInt32 y = 0; y < theSession->GetNumStreams(); y++)
theSession->GetStreamByIndex(y)->GetMutex()->Unlock();
if (theErr != QTSS_NoErr)
return theErr;
}
// Set up dictionary items for this stream
theErr = QTSS_SetValue(newStream, qtssRTPStrPayloadName, 0, thePayloadName->Ptr, thePayloadName->Len);
Assert(theErr == QTSS_NoErr);
theErr = QTSS_SetValue(newStream, qtssRTPStrPayloadType, 0, &thePayloadType, sizeof(thePayloadType));
Assert(theErr == QTSS_NoErr);
theErr = QTSS_SetValue(newStream, qtssRTPStrTrackID, 0, &theTrackID, sizeof(theTrackID));
Assert(theErr == QTSS_NoErr);
theErr = QTSS_SetValue(newStream, qtssRTPStrTimescale, 0, &theStreamInfo->fTimeScale, sizeof(theStreamInfo->fTimeScale));
Assert(theErr == QTSS_NoErr);
// We only want to allow over buffering to dynamic rate clients
SInt32 canDynamicRate = -1;
theLen = sizeof(canDynamicRate);
(void) QTSS_GetValue(inParams->inRTSPRequest, qtssRTSPReqDynamicRateState, 0, (void*) &canDynamicRate, &theLen);
if (canDynamicRate < 1) // -1 no rate field, 0 off
(void)QTSS_SetValue(inParams->inClientSession, qtssCliSesOverBufferEnabled, 0, &sFalse, sizeof(sFalse));
// Place the stream cookie in this stream for future reference
void* theStreamCookie = theSession->GetStreamCookie(theTrackID);
Assert(theStreamCookie != NULL);
theErr = QTSS_SetValue(newStream, sStreamCookieAttr, 0, &theStreamCookie, sizeof(theStreamCookie));
Assert(theErr == QTSS_NoErr);
// Set the number of quality levels.
static UInt32 sNumQualityLevels = ReflectorSession::kNumQualityLevels;
theErr = QTSS_SetValue(newStream, qtssRTPStrNumQualityLevels, 0, &sNumQualityLevels, sizeof(sNumQualityLevels));
Assert(theErr == QTSS_NoErr);
//send the setup response
(void)QTSS_AppendRTSPHeader(inParams->inRTSPRequest, qtssCacheControlHeader,
kCacheControlHeader.Ptr, kCacheControlHeader.Len);
(void)QTSS_SendStandardRTSPResponse(inParams->inRTSPRequest, newStream, qtssSetupRespDontWriteSSRC);
return QTSS_NoErr;
}