QTSS_Error DoDescribe(QTSS_StandardRTSP_Params* inParams)
{
char* theUriStr = NULL;
QTSS_Error err = QTSS_GetValueAsString(inParams->inRTSPRequest, qtssRTSPReqFileName, 0, &theUriStr);
Assert(err == QTSS_NoErr);
if(err != QTSS_NoErr)
return QTSSModuleUtils::SendErrorResponse(inParams->inRTSPRequest, qtssClientBadRequest, 0);
QTSSCharArrayDeleter theUriStrDeleter(theUriStr);
//从接口获取信息结构体
//信息存在rtsp://59.46.115.84:8554/h264/ch1/sub/av_stream
RTSPRelaySession* clientSes = NULL;
//首先查找Map里面是否已经有了对应的流
StrPtrLen streamName(theUriStr);
OSRef* clientSesRef = sRelaySessionMap->Resolve(&streamName);
if(clientSesRef != NULL)
{
clientSes = (RTSPRelaySession*)clientSesRef->GetObject();
}
else
{
clientSes = NEW RTSPRelaySession("rtsp://*****:*****@192.168.66.189/", RTSPRelaySession::kRTSPTCPClientType, theUriStr);
QTSS_Error theErr = clientSes->SendDescribe();
if(theErr == QTSS_NoErr)
{
OS_Error theErr = sRelaySessionMap->Register(clientSes->GetRef());
Assert(theErr == QTSS_NoErr);
}
else
{
clientSes->Signal(Task::kKillEvent);
return QTSSModuleUtils::SendErrorResponse(inParams->inRTSPRequest, qtssClientNotFound, 0);
}
//增加一次对RelaySession的无效引用，后面会统一释放
OSRef* debug = sRelaySessionMap->Resolve(&streamName);
Assert(debug == clientSes->GetRef());
}
return QTSS_NoErr;
}
void RemoveOutput(ReflectorOutput* inOutput, ReflectorSession* inSession, Bool16 killClients)
{
//This function removes the output from the ReflectorSession, then
Assert(inSession);
if (inSession != NULL)
{
if (inOutput != NULL)
{
inSession->RemoveOutput(inOutput,true);
//qtss_printf("QTSSReflectorModule.cpp:RemoveOutput it is a client session\n");
}
else
{ // it is a Broadcaster session
//qtss_printf("QTSSReflectorModule.cpp:RemoveOutput it is a broadcaster session\n");
//SourceInfo* theInfo = inSession->GetSourceInfo();
//Assert(theInfo);
//
//if (theInfo->IsRTSPControlled())
//{
// FileDeleter(inSession->GetSourcePath());
//}
//
//if (killClients || 1)
//{ inSession->TearDownAllOutputs();
//}
}
//qtss_printf("QTSSReflectorModule.cpp:RemoveOutput refcount =%lu\n", inSession->GetRef()->GetRefCount());
//check if the ReflectorSession should be deleted
//(it should if its ref count has dropped to 0)
OSMutexLocker locker (sSessionMap->GetMutex());
OSRef* theSessionRef = inSession->GetRef();
if (theSessionRef != NULL)
{
if (theSessionRef->GetRefCount() == 0)
{
RTSPRelaySession* proxySession = (RTSPRelaySession*)inSession->GetRTSPRelaySession();
if(proxySession != NULL)
{
proxySession->SetReflectorSession(NULL);
sClientSessionMap->UnRegister(proxySession->GetRef());
proxySession->Signal(Task::kKillEvent);
}
inSession->SetRTSPRelaySession(NULL);
sSessionMap->UnRegister(theSessionRef);
delete inSession;
}
//else if (theSessionRef->GetRefCount() == 1)
//{
// //qtss_printf("QTSSReflector.cpp:RemoveOutput Delete SESSION=%lu\n",(UInt32)inSession);
// RTSPRelaySession* proxySession = (RTSPRelaySession*)inSession->GetRelaySession();
// if(proxySession != NULL)
// {
// proxySession->SetReflectorSession(NULL);
// sClientSessionMap->UnRegister(proxySession->GetRef());
// proxySession->Signal(Task::kKillEvent);
// }
// inSession->SetRelaySession(NULL);
// sSessionMap->UnRegister(theSessionRef);
// delete inSession;
//}
else
{
qtss_printf("QTSSReflector.cpp:RemoveOutput Release SESSION=%lu RefCount=%d\n",(UInt64)inSession,theSessionRef->GetRefCount());
sSessionMap->Release(theSessionRef); // one of the sessions on the ref is ending just decrement the count
}
}
}
delete inOutput;
}
QTSS_Error DoDescribe(QTSS_StandardRTSP_Params* inParams)
{
char* theUriStr = NULL;
QTSS_Error err = QTSS_GetValueAsString(inParams->inRTSPRequest, qtssRTSPReqFileName, 0, &theUriStr);
Assert(err == QTSS_NoErr);
if(err != QTSS_NoErr)
return QTSSModuleUtils::SendErrorResponse(inParams->inRTSPRequest, qtssClientBadRequest, 0);
QTSSCharArrayDeleter theUriStrDeleter(theUriStr);
//从接口获取信息结构体
//TODO:
DeviceInfo* pDeviceInfo = parseDevice->GetDeviceInfoByIdName(theUriStr);
if(pDeviceInfo == NULL)
{
qtss_printf("ID:%s Not Found\n",theUriStr);
return QTSS_RequestFailed;
}
//信息存在rtsp://59.46.115.84:8554/h264/ch1/sub/av_stream
RTSPRelaySession* clientSes = NULL;
//首先查找Map里面是否已经有了对应的流
StrPtrLen streamName(theUriStr);
OSRef* clientSesRef = sClientSessionMap->Resolve(&streamName);
if(clientSesRef != NULL)
{
clientSes = (RTSPRelaySession*)clientSesRef->GetObject();
}
else
{
clientSes = NEW RTSPRelaySession(
SocketUtils::ConvertStringToAddr(pDeviceInfo->m_szIP),
pDeviceInfo->m_nPort,
pDeviceInfo->m_szSourceUrl,
1,
rtcpInterval,
0,
theReadInterval,
sockRcvBuf,
speed,
packetPlayHeader,
overbufferwindowInK,
sendOptions,
pDeviceInfo->m_szUser,
pDeviceInfo->m_szPassword,
theUriStr);
OS_Error theErr = clientSes->SendDescribe();
if(theErr == QTSS_NoErr)
{
OS_Error theErr = sClientSessionMap->Register(clientSes->GetRef());
Assert(theErr == QTSS_NoErr);
}
else
{
clientSes->Signal(Task::kKillEvent);
return QTSSModuleUtils::SendErrorResponse(inParams->inRTSPRequest, qtssClientNotFound, 0);
}
//增加一次对RelaySession的无效引用，后面会统一释放
OSRef* debug = sClientSessionMap->Resolve(&streamName);
Assert(debug == clientSes->GetRef());
}
ReflectorSession* theSession = SetupProxySession(inParams, clientSes);
if (theSession == NULL)
{
sClientSessionMap->Release(clientSes->GetRef());
return QTSSModuleUtils::SendErrorResponse(inParams->inRTSPRequest, qtssServerNotImplemented, 0);
}
QTSS_Error Err = QTSS_SetValue(inParams->inRTSPSession, sRTSPBroadcastSessionAttr, 0, &theSession, sizeof(theSession));
Assert(Err == QTSS_NoErr);
clientSes->SetReflectorSession(theSession);
theSession->SetRTSPRelaySession((void*)clientSes);
sClientSessionMap->Release(clientSes->GetRef());
iovec theDescribeVec[3] = { {0 }};
Assert(theSession->GetLocalSDP()->Ptr != NULL);
StrPtrLen theFileData;
QTSS_TimeVal outModDate = 0;
QTSS_TimeVal inModDate = -1;
theFileData.Ptr = theSession->GetLocalSDP()->Ptr;
theFileData.Len = theSession->GetLocalSDP()->Len;
// -------------- process SDP to remove connection info and add track IDs, port info, and default c= line
StrPtrLen theSDPData;
SDPSourceInfo tempSDPSourceInfo(theFileData.Ptr, theFileData.Len); // will make a copy and delete in destructor
theSDPData.Ptr = tempSDPSourceInfo.GetLocalSDP(&theSDPData.Len); // returns a new buffer with processed sdp
OSCharArrayDeleter sdpDeleter(theSDPData.Ptr); // delete the temp sdp source info buffer returned by GetLocalSDP
if (theSDPData.Len <= 0) // can't find it on disk or it failed to parse just use the one in the session.
{
theSDPData.Ptr = theSession->GetLocalSDP()->Ptr; // this sdp isn't ours it must not be deleted
theSDPData.Len = theSession->GetLocalSDP()->Len;
}
// ------------ Clean up missing required SDP lines
ResizeableStringFormatter editedSDP(NULL,0);
DoDescribeAddRequiredSDPLines2(inParams, theSession, outModDate, &editedSDP, &theSDPData);
StrPtrLen editedSDPSPL(editedSDP.GetBufPtr(),editedSDP.GetBytesWritten());
// ------------ Check the headers
SDPContainer checkedSDPContainer;
checkedSDPContainer.SetSDPBuffer( &editedSDPSPL );
if (!checkedSDPContainer.IsSDPBufferValid())
{
return QTSSModuleUtils::SendErrorResponseWithMessage(inParams->inRTSPRequest, qtssUnsupportedMediaType, &sSDPNotValidMessage);
}
// ------------ Put SDP header lines in correct order
Float32 adjustMediaBandwidthPercent = 1.0;
Bool16 adjustMediaBandwidth = false;
SDPLineSorter sortedSDP(&checkedSDPContainer,adjustMediaBandwidthPercent);
// ------------ Write the SDP
UInt32 sessLen = sortedSDP.GetSessionHeaders()->Len;
UInt32 mediaLen = sortedSDP.GetMediaHeaders()->Len;
theDescribeVec[1].iov_base = sortedSDP.GetSessionHeaders()->Ptr;
theDescribeVec[1].iov_len = sortedSDP.GetSessionHeaders()->Len;
theDescribeVec[2].iov_base = sortedSDP.GetMediaHeaders()->Ptr;
theDescribeVec[2].iov_len = sortedSDP.GetMediaHeaders()->Len;
(void)QTSS_AppendRTSPHeader(inParams->inRTSPRequest, qtssCacheControlHeader,
kCacheControlHeader.Ptr, kCacheControlHeader.Len);
QTSSModuleUtils::SendDescribeResponse(inParams->inRTSPRequest, inParams->inClientSession,
&theDescribeVec[0], 3, sessLen + mediaLen );
return QTSS_NoErr;
}