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windows-nt/Source/XPSP1/NT/multimedia/directx/dxdiag/dsprvobj.cpp

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/***************************************************************************
*
* Copyright (C) 1995,1996 Microsoft Corporation. All Rights Reserved.
*
* File: dsprvobj.c
* Content: DirectSound Private Object wrapper functions.
* History:
* Date By Reason
* ==== == ======
* 02/12/98 dereks Created.
*
***************************************************************************/
#define DIRECTSOUND_VERSION 0x0600
// We'll ask for what we need, thank you.
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif // WIN32_LEAN_AND_MEAN
// Public includes
#include <windows.h>
#include <mmsystem.h>
#include <dsound.h>
#include "dsprv.h"
// Private includes
#include "dsprvobj.h"
/***************************************************************************
*
* DirectSoundPrivateCreate
*
* Description:
* Creates and initializes a DirectSoundPrivate object.
*
* Arguments:
* LPKSPROPERTYSET * [out]: receives IKsPropertySet interface to the
* object.
*
* Returns:
* HRESULT: DirectSound/COM result code.
*
***************************************************************************/
HRESULT DirectSoundPrivateCreate
(
LPKSPROPERTYSET * ppKsPropertySet
)
{
typedef HRESULT (STDAPICALLTYPE *LPFNDLLGETCLASSOBJECT)(REFCLSID, REFIID, LPVOID *);
HINSTANCE hLibDsound = NULL;
LPFNGETCLASSOBJECT pfnDllGetClassObject = NULL;
LPCLASSFACTORY pClassFactory = NULL;
LPKSPROPERTYSET pKsPropertySet = NULL;
HRESULT hr = DS_OK;
// Get dsound.dll's instance handle. The dll must already be loaded at this
// point.
hLibDsound =
GetModuleHandle
(
TEXT("dsound.dll")
);
if(!hLibDsound)
{
hr = DSERR_GENERIC;
}
// Find DllGetClassObject
if(SUCCEEDED(hr))
{
pfnDllGetClassObject = (LPFNDLLGETCLASSOBJECT)
GetProcAddress
(
hLibDsound,
"DllGetClassObject"
);
if(!pfnDllGetClassObject)
{
hr = DSERR_GENERIC;
}
}
// Create a class factory object
if(SUCCEEDED(hr))
{
hr =
pfnDllGetClassObject
(
CLSID_DirectSoundPrivate,
IID_IClassFactory,
(LPVOID *)&pClassFactory
);
}
// Create the DirectSoundPrivate object and query for an IKsPropertySet
// interface
if(SUCCEEDED(hr))
{
hr =
pClassFactory->CreateInstance
(
NULL,
IID_IKsPropertySet,
(LPVOID *)&pKsPropertySet
);
}
// Release the class factory
if(pClassFactory)
{
pClassFactory->Release();
}
// Success
if(SUCCEEDED(hr))
{
*ppKsPropertySet = pKsPropertySet;
}
return hr;
}
/***************************************************************************
*
* PrvGetMixerSrcQuality
*
* Description:
* Gets the mixer SRC quality for a given DirectSound device.
*
* Arguments:
* LPKSPROPERTYSET [in]: IKsPropertySet interface to the
* DirectSoundPrivate object.
* REFGUID [in]: DirectSound device GUID.
* DIRECTSOUNDMIXER_SRCQUALITY * [out]: receives mixer SRC quality.
*
* Returns:
* HRESULT: DirectSound/COM result code.
*
***************************************************************************/
HRESULT PrvGetMixerSrcQuality
(
LPKSPROPERTYSET pKsPropertySet,
REFGUID guidDeviceId,
DIRECTSOUNDMIXER_SRCQUALITY * pSrcQuality
)
{
DSPROPERTY_DIRECTSOUNDMIXER_SRCQUALITY_DATA Data;
HRESULT hr;
Data.DeviceId = guidDeviceId;
hr =
pKsPropertySet->Get
(
DSPROPSETID_DirectSoundMixer,
DSPROPERTY_DIRECTSOUNDMIXER_SRCQUALITY,
NULL,
0,
&Data,
sizeof(Data),
NULL
);
if(SUCCEEDED(hr))
{
*pSrcQuality = Data.Quality;
}
return hr;
}
/***************************************************************************
*
* PrvSetMixerSrcQuality
*
* Description:
* Sets the mixer SRC quality for a given DirectSound device.
*
* Arguments:
* LPKSPROPERTYSET [in]: IKsPropertySet interface to the
* DirectSoundPrivate object.
* REFGUID [in]: DirectSound device GUID.
* DIRECTSOUNDMIXER_SRCQUALITY [in]: mixer SRC quality.
*
* Returns:
* HRESULT: DirectSound/COM result code.
*
***************************************************************************/
HRESULT PrvSetMixerSrcQuality
(
LPKSPROPERTYSET pKsPropertySet,
REFGUID guidDeviceId,
DIRECTSOUNDMIXER_SRCQUALITY SrcQuality
)
{
DSPROPERTY_DIRECTSOUNDMIXER_SRCQUALITY_DATA Data;
HRESULT hr;
Data.DeviceId = guidDeviceId;
Data.Quality = SrcQuality;
hr =
pKsPropertySet->Set
(
DSPROPSETID_DirectSoundMixer,
DSPROPERTY_DIRECTSOUNDMIXER_SRCQUALITY,
NULL,
0,
&Data,
sizeof(Data)
);
return hr;
}
/***************************************************************************
*
* PrvGetMixerAcceleration
*
* Description:
* Gets the mixer acceleration flags for a given DirectSound device.
*
* Arguments:
* LPKSPROPERTYSET [in]: IKsPropertySet interface to the
* DirectSoundPrivate object.
* REFGUID [in]: DirectSound device GUID.
* LPDWORD [out]: receives acceleration flags.
*
* Returns:
* HRESULT: DirectSound/COM result code.
*
***************************************************************************/
HRESULT PrvGetMixerAcceleration
(
LPKSPROPERTYSET pKsPropertySet,
REFGUID guidDeviceId,
LPDWORD pdwAcceleration
)
{
DSPROPERTY_DIRECTSOUNDMIXER_ACCELERATION_DATA Data;
HRESULT hr;
Data.DeviceId = guidDeviceId;
hr =
pKsPropertySet->Get
(
DSPROPSETID_DirectSoundMixer,
DSPROPERTY_DIRECTSOUNDMIXER_ACCELERATION,
NULL,
0,
&Data,
sizeof(Data),
NULL
);
if(SUCCEEDED(hr))
{
*pdwAcceleration = Data.Flags;
}
return hr;
}
/***************************************************************************
*
* PrvSetMixerAcceleration
*
* Description:
* Sets the mixer acceleration flags for a given DirectSound device.
*
* Arguments:
* LPKSPROPERTYSET [in]: IKsPropertySet interface to the
* DirectSoundPrivate object.
* REFGUID [in]: DirectSound device GUID.
* DWORD [in]: acceleration flags.
*
* Returns:
* HRESULT: DirectSound/COM result code.
*
***************************************************************************/
HRESULT PrvSetMixerAcceleration
(
LPKSPROPERTYSET pKsPropertySet,
REFGUID guidDeviceId,
DWORD dwAcceleration
)
{
DSPROPERTY_DIRECTSOUNDMIXER_ACCELERATION_DATA Data;
HRESULT hr;
Data.DeviceId = guidDeviceId;
Data.Flags = dwAcceleration;
hr =
pKsPropertySet->Set
(
DSPROPSETID_DirectSoundMixer,
DSPROPERTY_DIRECTSOUNDMIXER_ACCELERATION,
NULL,
0,
&Data,
sizeof(Data)
);
return hr;
}
/***************************************************************************
*
* PrvGetDevicePresence
*
* Description:
* Determines whether a device is enabled.
*
* Arguments:
* LPKSPROPERTYSET [in]: IKsPropertySet interface to the
* DirectSoundPrivate object.
* REFGUID [in]: DirectSound device GUID.
* LPBOOL [out]: receives TRUE if the device is enabled.
*
* Returns:
* HRESULT: DirectSound/COM result code.
*
***************************************************************************/
HRESULT PrvGetDevicePresence
(
LPKSPROPERTYSET pKsPropertySet,
REFGUID guidDeviceId,
LPBOOL pfEnabled
)
{
DSPROPERTY_DIRECTSOUNDDEVICE_PRESENCE_DATA Data;
HRESULT hr;
Data.DeviceId = guidDeviceId;
hr =
pKsPropertySet->Get
(
DSPROPSETID_DirectSoundDevice,
DSPROPERTY_DIRECTSOUNDDEVICE_PRESENCE,
NULL,
0,
&Data,
sizeof(Data),
NULL
);
if(SUCCEEDED(hr))
{
*pfEnabled = Data.Present;
}
return hr;
}
/***************************************************************************
*
* PrvSetDevicePresence
*
* Description:
* Sets whether a device is enabled.
*
* Arguments:
* LPKSPROPERTYSET [in]: IKsPropertySet interface to the
* DirectSoundPrivate object.
* REFGUID [in]: DirectSound device GUID.
* BOOL [in]: TRUE if the device is enabled.
*
* Returns:
* HRESULT: DirectSound/COM result code.
*
***************************************************************************/
HRESULT PrvSetDevicePresence
(
LPKSPROPERTYSET pKsPropertySet,
REFGUID guidDeviceId,
BOOL fEnabled
)
{
DSPROPERTY_DIRECTSOUNDDEVICE_PRESENCE_DATA Data;
HRESULT hr;
Data.DeviceId = guidDeviceId;
Data.Present = fEnabled;
hr =
pKsPropertySet->Set
(
DSPROPSETID_DirectSoundDevice,
DSPROPERTY_DIRECTSOUNDDEVICE_PRESENCE,
NULL,
0,
&Data,
sizeof(Data)
);
return hr;
}
/***************************************************************************
*
* PrvGetWaveDeviceMapping
*
* Description:
* Gets the DirectSound device id (if any) for a given waveIn or
* waveOut device description. This is the description given by
* waveIn/OutGetDevCaps (szPname).
*
* Arguments:
* LPKSPROPERTYSET [in]: IKsPropertySet interface to the
* DirectSoundPrivate object.
* LPCSTR [in]: wave device description.
* BOOL [in]: TRUE if the device description refers to a waveIn device.
* LPGUID [out]: receives DirectSound device GUID.
*
* Returns:
* HRESULT: DirectSound/COM result code.
*
***************************************************************************/
HRESULT PrvGetWaveDeviceMapping
(
LPKSPROPERTYSET pKsPropertySet,
LPCTSTR pszWaveDevice,
BOOL fCapture,
LPGUID pguidDeviceId
)
{
DSPROPERTY_DIRECTSOUNDDEVICE_WAVEDEVICEMAPPING_DATA Data;
HRESULT hr;
Data.DeviceName = (LPTSTR)pszWaveDevice;
Data.DataFlow = fCapture ? DIRECTSOUNDDEVICE_DATAFLOW_CAPTURE : DIRECTSOUNDDEVICE_DATAFLOW_RENDER;
hr =
pKsPropertySet->Get
(
DSPROPSETID_DirectSoundDevice,
DSPROPERTY_DIRECTSOUNDDEVICE_WAVEDEVICEMAPPING,
NULL,
0,
&Data,
sizeof(Data),
NULL
);
if(SUCCEEDED(hr))
{
*pguidDeviceId = Data.DeviceId;
}
return hr;
}
/***************************************************************************
*
* PrvGetDeviceDescription
*
* Description:
* Gets the extended description for a given DirectSound device.
*
* Arguments:
* LPKSPROPERTYSET [in]: IKsPropertySet interface to the
* DirectSoundPrivate object.
* REFGUID [in]: DirectSound device id.
* PDSPROPERTY_DIRECTSOUNDDEVICE_DESCRIPTION_DATA [out]: receives
* description.
*
* Returns:
* HRESULT: DirectSound/COM result code.
*
***************************************************************************/
HRESULT PrvGetDeviceDescription
(
LPKSPROPERTYSET pKsPropertySet,
REFGUID guidDeviceId,
PDSPROPERTY_DIRECTSOUNDDEVICE_DESCRIPTION_DATA *ppData
)
{
PDSPROPERTY_DIRECTSOUNDDEVICE_DESCRIPTION_DATA pData = NULL;
ULONG cbData;
DSPROPERTY_DIRECTSOUNDDEVICE_DESCRIPTION_DATA Basic;
HRESULT hr;
Basic.DeviceId = guidDeviceId;
hr =
pKsPropertySet->Get
(
DSPROPSETID_DirectSoundDevice,
DSPROPERTY_DIRECTSOUNDDEVICE_DESCRIPTION,
NULL,
0,
&Basic,
sizeof(Basic),
&cbData
);
if(SUCCEEDED(hr))
{
pData = (PDSPROPERTY_DIRECTSOUNDDEVICE_DESCRIPTION_DATA)new BYTE [cbData];
if(!pData)
{
hr = DSERR_OUTOFMEMORY;
}
}
if(SUCCEEDED(hr))
{
ZeroMemory(pData, cbData);
pData->DeviceId = guidDeviceId;
hr =
pKsPropertySet->Get
(
DSPROPSETID_DirectSoundDevice,
DSPROPERTY_DIRECTSOUNDDEVICE_DESCRIPTION,
NULL,
0,
pData,
cbData,
NULL
);
}
if(SUCCEEDED(hr))
{
*ppData = pData;
}
else if(pData)
{
delete pData;
}
return hr;
}
/***************************************************************************
*
* PrvReleaseDeviceDescription
*
***************************************************************************/
HRESULT PrvReleaseDeviceDescription( PDSPROPERTY_DIRECTSOUNDDEVICE_DESCRIPTION_DATA pData )
{
delete[] pData;
return S_OK;
}
/***************************************************************************
*
* PrvEnumerateDevices
*
* Description:
* Enumerates all DirectSound devices.
*
* Arguments:
* LPKSPROPERTYSET [in]: IKsPropertySet interface to the
* DirectSoundPrivate object.
* LPFNDIRECTSOUNDDEVICEENUMERATECALLBACK [in]: pointer to the callback
* function.
* LPVOID [in]: context argument to pass to the callback function.
*
* Returns:
* HRESULT: DirectSound/COM result code.
*
***************************************************************************/
HRESULT PrvEnumerateDevices
(
LPKSPROPERTYSET pKsPropertySet,
LPFNDIRECTSOUNDDEVICEENUMERATECALLBACK pfnCallback,
LPVOID pvContext
)
{
DSPROPERTY_DIRECTSOUNDDEVICE_ENUMERATE_DATA Data;
HRESULT hr;
Data.Callback = pfnCallback;
Data.Context = pvContext;
hr =
pKsPropertySet->Get
(
DSPROPSETID_DirectSoundDevice,
DSPROPERTY_DIRECTSOUNDDEVICE_ENUMERATE,
NULL,
0,
&Data,
sizeof(Data),
NULL
);
return hr;
}
/***************************************************************************
*
* PrvGetBasicAcceleration
*
* Description:
* Gets basic acceleration flags for a given DirectSound device. This
* is the accleration level that the multimedia control panel uses.
*
* Arguments:
* LPKSPROPERTYSET [in]: IKsPropertySet interface to the
* DirectSoundPrivate object.
* REFGUID [in]: DirectSound device GUID.
* DIRECTSOUNDBASICACCELERATION_LEVEL * [out]: receives basic
* acceleration level.
*
* Returns:
* HRESULT: DirectSound/COM result code.
*
***************************************************************************/
HRESULT PrvGetBasicAcceleration
(
LPKSPROPERTYSET pKsPropertySet,
REFGUID guidDeviceId,
DIRECTSOUNDBASICACCELERATION_LEVEL * pLevel
)
{
DSPROPERTY_DIRECTSOUNDBASICACCELERATION_ACCELERATION_DATA Data;
HRESULT hr;
Data.DeviceId = guidDeviceId;
hr =
pKsPropertySet->Get
(
DSPROPSETID_DirectSoundBasicAcceleration,
DSPROPERTY_DIRECTSOUNDBASICACCELERATION_ACCELERATION,
NULL,
0,
&Data,
sizeof(Data),
NULL
);
if(SUCCEEDED(hr))
{
*pLevel = Data.Level;
}
return hr;
}
/***************************************************************************
*
* PrvSetBasicAcceleration
*
* Description:
* Sets basic acceleration flags for a given DirectSound device. This
* is the accleration level that the multimedia control panel uses.
*
* Arguments:
* LPKSPROPERTYSET [in]: IKsPropertySet interface to the
* DirectSoundPrivate object.
* REFGUID [in]: DirectSound device GUID.
* DIRECTSOUNDBASICACCELERATION_LEVEL [in]: basic acceleration level.
*
* Returns:
* HRESULT: DirectSound/COM result code.
*
***************************************************************************/
HRESULT PrvSetBasicAcceleration
(
LPKSPROPERTYSET pKsPropertySet,
REFGUID guidDeviceId,
DIRECTSOUNDBASICACCELERATION_LEVEL Level
)
{
DSPROPERTY_DIRECTSOUNDBASICACCELERATION_ACCELERATION_DATA Data;
HRESULT hr;
Data.DeviceId = guidDeviceId;
Data.Level = Level;
hr =
pKsPropertySet->Set
(
DSPROPSETID_DirectSoundBasicAcceleration,
DSPROPERTY_DIRECTSOUNDBASICACCELERATION_ACCELERATION,
NULL,
0,
&Data,
sizeof(Data)
);
return hr;
}
/***************************************************************************
*
* PrvGetDebugInformation
*
* Description:
* Gets the current DirectSound debug settings.
*
* Arguments:
* LPKSPROPERTYSET [in]: IKsPropertySet interface to the
* DirectSoundPrivate object.
* LPDWORD [in]: receives DPF flags.
* PULONG [out]: receives DPF level.
* PULONG [out]: receives break level.
* LPSTR [out]: receives log file name.
*
* Returns:
* HRESULT: DirectSound/COM result code.
*
***************************************************************************/
HRESULT PrvGetDebugInformation
(
LPKSPROPERTYSET pKsPropertySet,
LPDWORD pdwFlags,
PULONG pulDpfLevel,
PULONG pulBreakLevel,
LPTSTR pszLogFile
)
{
DSPROPERTY_DIRECTSOUNDDEBUG_DPFINFO_DATA Data;
HRESULT hr;
hr =
pKsPropertySet->Get
(
DSPROPSETID_DirectSoundDebug,
DSPROPERTY_DIRECTSOUNDDEBUG_DPFINFO,
NULL,
0,
&Data,
sizeof(Data),
NULL
);
if(SUCCEEDED(hr) && pdwFlags)
{
*pdwFlags = Data.Flags;
}
if(SUCCEEDED(hr) && pulDpfLevel)
{
*pulDpfLevel = Data.DpfLevel;
}
if(SUCCEEDED(hr) && pulBreakLevel)
{
*pulBreakLevel = Data.BreakLevel;
}
if(SUCCEEDED(hr) && pszLogFile)
{
lstrcpy
(
pszLogFile,
Data.LogFile
);
}
return hr;
}
/***************************************************************************
*
* PrvSetDebugInformation
*
* Description:
* Sets the current DirectSound debug settings.
*
* Arguments:
* LPKSPROPERTYSET [in]: IKsPropertySet interface to the
* DirectSoundPrivate object.
* DWORD [in]: DPF flags.
* ULONG [in]: DPF level.
* ULONG [in]: break level.
* LPCSTR [in]: log file name.
*
* Returns:
* HRESULT: DirectSound/COM result code.
*
***************************************************************************/
HRESULT PrvSetDebugInformation
(
LPKSPROPERTYSET pKsPropertySet,
DWORD dwFlags,
ULONG ulDpfLevel,
ULONG ulBreakLevel,
LPCTSTR pszLogFile
)
{
DSPROPERTY_DIRECTSOUNDDEBUG_DPFINFO_DATA Data;
HRESULT hr;
Data.Flags = dwFlags;
Data.DpfLevel = ulDpfLevel;
Data.BreakLevel = ulBreakLevel;
lstrcpy
(
Data.LogFile,
pszLogFile
);
hr =
pKsPropertySet->Set
(
DSPROPSETID_DirectSoundDebug,
DSPROPERTY_DIRECTSOUNDDEBUG_DPFINFO,
NULL,
0,
&Data,
sizeof(Data)
);
return hr;
}
/***************************************************************************
*
* PrvGetPersistentData
*
* Description:
* Gets a registry value stored under the DirectSound subkey of a
* specific hardware device.
*
* Arguments:
* LPKSPROPERTYSET [in]: IKsPropertySet interface to the
* DirectSoundPrivate object.
* REFGUID [in]: DirectSound device id.
* LPCSTR [in]: subkey path.
* LPCSTR [in]: value name.
* LPDWORD [in/out]: receives registry data type.
* LPVOID [out]: data buffer.
* LPDWORD [in/out]: size of above buffer. On entry, this argument is
* filled with the maximum size of the data buffer.
* On exit, this argument is filled with the required
* size.
*
* Returns:
* HRESULT: DirectSound/COM result code.
*
***************************************************************************/
HRESULT PrvGetPersistentData
(
LPKSPROPERTYSET pKsPropertySet,
REFGUID guidDeviceId,
LPCTSTR pszSubkey,
LPCTSTR pszValue,
LPDWORD pdwRegType,
LPVOID pvData,
LPDWORD pcbData
)
{
PDSPROPERTY_DIRECTSOUNDPERSISTENTDATA_PERSISTDATA_DATA pPersist;
ULONG cbPersist;
HRESULT hr;
cbPersist = sizeof(*pPersist) + *pcbData;
pPersist = (PDSPROPERTY_DIRECTSOUNDPERSISTENTDATA_PERSISTDATA_DATA)
LocalAlloc
(
LPTR,
cbPersist
);
if(pPersist)
{
pPersist->DeviceId = guidDeviceId;
pPersist->SubKeyName = (LPTSTR)pszSubkey;
pPersist->ValueName = (LPTSTR)pszValue;
if(pdwRegType)
{
pPersist->RegistryDataType = *pdwRegType;
}
hr =
pKsPropertySet->Get
(
DSPROPSETID_DirectSoundPersistentData,
DSPROPERTY_DIRECTSOUNDPERSISTENTDATA_PERSISTDATA,
NULL,
0,
pPersist,
cbPersist,
&cbPersist
);
}
else
{
hr = DSERR_OUTOFMEMORY;
}
if(SUCCEEDED(hr))
{
CopyMemory
(
pvData,
pPersist + 1,
*pcbData
);
}
*pcbData = cbPersist - sizeof(*pPersist);
if(pPersist && pdwRegType)
{
*pdwRegType = pPersist->RegistryDataType;
}
if(pPersist)
{
LocalFree(pPersist);
}
return hr;
}
/***************************************************************************
*
* PrvSetPersistentData
*
* Description:
* Sets a registry value stored under the DirectSound subkey of a
* specific hardware device.
*
* Arguments:
* LPKSPROPERTYSET [in]: IKsPropertySet interface to the
* DirectSoundPrivate object.
* REFGUID [in]: DirectSound device id.
* LPCSTR [in]: subkey path.
* LPCSTR [in]: value name.
* DWORD [in]: registry data type.
* LPVOID [out]: data buffer.
* DWORD [in]: size of above buffer.
*
* Returns:
* HRESULT: DirectSound/COM result code.
*
***************************************************************************/
HRESULT PrvSetPersistentData
(
LPKSPROPERTYSET pKsPropertySet,
REFGUID guidDeviceId,
LPCTSTR pszSubkey,
LPCTSTR pszValue,
DWORD dwRegType,
LPVOID pvData,
DWORD cbData
)
{
PDSPROPERTY_DIRECTSOUNDPERSISTENTDATA_PERSISTDATA_DATA pPersist;
ULONG cbPersist;
HRESULT hr;
cbPersist = sizeof(*pPersist) + cbData;
pPersist = (PDSPROPERTY_DIRECTSOUNDPERSISTENTDATA_PERSISTDATA_DATA)
LocalAlloc
(
LPTR,
cbPersist
);
if(pPersist)
{
pPersist->DeviceId = guidDeviceId;
pPersist->SubKeyName = (LPTSTR)pszSubkey;
pPersist->ValueName = (LPTSTR)pszValue;
pPersist->RegistryDataType = dwRegType;
CopyMemory
(
pPersist + 1,
pvData,
cbData
);
hr =
pKsPropertySet->Set
(
DSPROPSETID_DirectSoundPersistentData,
DSPROPERTY_DIRECTSOUNDPERSISTENTDATA_PERSISTDATA,
NULL,
0,
pPersist,
cbPersist
);
}
else
{
hr = DSERR_OUTOFMEMORY;
}
if(pPersist)
{
LocalFree(pPersist);
}
return hr;
}
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