XnStatus XnDeviceBase::DestroyStream(const XnChar* StreamName)
{
XnStatus nRetVal = XN_STATUS_OK;
xnLogInfo(XN_MASK_DDK, "Destroying stream '%s'...", StreamName);
// keep the stream name (we now delete the module, so the name will be lost)
XnChar strStreamName[XN_DEVICE_MAX_STRING_LENGTH];
strncpy(strStreamName, StreamName, XN_DEVICE_MAX_STRING_LENGTH);
// Find the stream
XnDeviceModuleHolder* pStreamHolder;
nRetVal = FindStream(strStreamName, &pStreamHolder);
XN_IS_STATUS_OK(nRetVal);
// remove it from map
nRetVal = RemoveModule(strStreamName);
XN_IS_STATUS_OK(nRetVal);
// and free it's memory
DestroyStreamModule(pStreamHolder);
// free memory of registered properties to this stream
FreeModuleRegisteredProperties(StreamName);
// raise event
m_OnStreamsChangeEvent.Raise(GetDeviceHandle(), strStreamName, XN_DEVICE_STREAM_DELETED);
xnLogVerbose(XN_MASK_DDK, "'%s' stream destroyed.", strStreamName);
return XN_STATUS_OK;
}
XnStatus XnDeviceBase::Destroy()
{
XnStatus nRetVal = XN_STATUS_OK;
// free all modules
while (m_Modules.Size() != 0)
{
XnDeviceModuleHolder* pModuleHolder = m_Modules.Begin()->Value();
if (IsStream(pModuleHolder->GetModule()))
{
XnChar strName[XN_DEVICE_MAX_STRING_LENGTH];
strcpy(strName, pModuleHolder->GetModule()->GetName());
nRetVal = DestroyStream(strName);
XN_IS_STATUS_OK(nRetVal);
}
else
{
// free memory of registered properties to this module
FreeModuleRegisteredProperties(m_Modules.Begin()->Key());
pModuleHolder->GetModule()->Free();
DestroyModule(pModuleHolder);
m_Modules.Remove(m_Modules.Begin());
}
}
m_pDevicePropertiesHolder = NULL;
m_Modules.Clear();
// close dump
xnDumpFileClose(m_StreamsDataDump);
if (m_hLock != NULL)
{
xnOSCloseCriticalSection(&m_hLock);
m_hLock = NULL;
}
return XN_STATUS_OK;
}
XnStatus XnDeviceBase::DestroyStream(const XnChar* StreamName)
{
XnStatus nRetVal = XN_STATUS_OK;
xnLogInfo(XN_MASK_DDK, "Destroying stream '%s'...", StreamName);
// keep the stream name (we now delete the module, so the name will be lost)
XnChar strStreamName[XN_DEVICE_MAX_STRING_LENGTH];
strncpy(strStreamName, StreamName, XN_DEVICE_MAX_STRING_LENGTH);
xnl::AutoCSLocker lock(m_hLock);
// Find the stream
XnDeviceModuleHolder* pStreamHolder;
nRetVal = FindStream(strStreamName, &pStreamHolder);
XN_IS_STATUS_OK(nRetVal);
XnDeviceStream* pStream = (XnDeviceStream*)pStreamHolder->GetModule();
XnUInt32 nRefCount = pStream->DecRef();
if (0 == nRefCount)
{
// remove it from map
nRetVal = RemoveModule(strStreamName);
XN_IS_STATUS_OK(nRetVal);
// and free it's memory
DestroyStreamModule(pStreamHolder);
// free memory of registered properties to this stream
FreeModuleRegisteredProperties(StreamName);
xnLogVerbose(XN_MASK_DDK, "'%s' stream destroyed.", strStreamName);
}
else
{
xnLogVerbose(XN_MASK_DDK, "'%s' stream now has %d references.", strStreamName, nRefCount);
}
return XN_STATUS_OK;
}