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362 lines
10 KiB
362 lines
10 KiB
/*==========================================================================
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*
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* Copyright (C) 1999 Microsoft Corporation. All Rights Reserved.
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*
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* File: dvclient.c
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* Content: Implements functions for the DirectXVoiceClient interface
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*
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* History:
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* Date By Reason
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* ==== == ======
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* 07/02/99 rodtoll Created It
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* 07/26/99 rodtoll Updated QueryInterface to support IDirectXVoiceNotify
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* 08/25/99 rodtoll General Cleanup/Modifications to support new
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* compression sub-system.
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* Added new parameter to GetCompressionTypes
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* 09/03/99 rodtoll Updated parameters for DeleteUserBuffer
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* 09/07/99 rodtoll Updated EnumCompressionTypes so that object doesn't
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* need to be Initialized.
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* 09/10/99 rodtoll Object validity checking
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* 09/14/99 rodtoll Added DVC_SetNotifyMask
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* 10/05/99 rodtoll Reversed destruction order to destroy object before
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* transport. Fixes crash in some situations
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* 10/18/99 rodtoll Fix: Passing NULL in QueryInterface casues crash
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* rodtoll Fix: Calling Initialize twice passes
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* 10/19/99 rodtoll Fix: Bug #113904 - Shutdown issues
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* - Added reference count for notify interface, allows
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* determination if disconnect should be called from release
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* 10/25/99 rodtoll Fix: Bug #114098 - Release/Addref failure from multiple threads
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* 11/17/99 rodtoll Fix: Bug #117447 - Removed checks for initialization because
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* DirectVoiceCLientEngine members already do this.
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* 12/16/99 rodtoll Bug #117405 - 3D Sound APIs misleading - 3d sound apis renamed
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* The Delete3DSoundBuffer was re-worked to match the create
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* 01/14/2000 rodtoll Updated parameters to Get/SetTransmitTargets
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* rodtoll Added new API call GetSoundDeviceConfig
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* 01/27/2000 rodtoll Bug #129934 - Update Create3DSoundBuffer to take DSBUFFERDESC
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* 03/28/2000 rodtoll Removed reference to removed header file.
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* 06/21/2000 rodtoll Bug #35767 - Update Create3DSoundBuffer to take DIRECTSOUNDBUFFERs
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* 08/23/2000 rodtoll DllCanUnloadNow always returning TRUE!
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* 10/05/2000 rodtoll Bug #46541 - DPVOICE: A/V linking to dpvoice.lib could cause application to fail init and crash
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*
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***************************************************************************/
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#include "dxvoicepch.h"
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#undef DPF_MODNAME
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#define DPF_MODNAME "DVC_Release"
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STDAPI DVC_Release(LPDIRECTVOICECLIENTOBJECT lpDV )
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{
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HRESULT hr=S_OK;
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LONG rc;
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if( !DV_ValidDirectXVoiceClientObject( lpDV ) )
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return DVERR_INVALIDOBJECT;
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DNEnterCriticalSection( &lpDV->csCountLock );
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if (lpDV->lIntRefCnt == 0)
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{
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DNLeaveCriticalSection( &lpDV->csCountLock );
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return 0;
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}
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// dec the interface count
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lpDV->lIntRefCnt--;
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// Special case: Releasing object without stopping session
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// May be more then one transport thread indicating in us
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if( (lpDV->lIntRefCnt == 0) && lpDV->lpDVClientEngine->GetCurrentState() != DVCSTATE_IDLE )
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{
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DPFX(DPFPREP, DVF_INFOLEVEL, "Releasing interface without calling Disconnect" );
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lpDV->lIntRefCnt = 0;
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// We must release the lock because stopsession may call back into this function
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DNLeaveCriticalSection( &lpDV->csCountLock );
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hr = lpDV->lpDVClientEngine->Disconnect( DVFLAGS_SYNC );
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DNEnterCriticalSection( &lpDV->csCountLock );
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if( hr != DV_OK && hr != DVERR_SESSIONLOST )
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{
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DPFX(DPFPREP, DVF_INFOLEVEL, "Disconnect Failed hr=0x%x", hr );
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}
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}
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rc = lpDV->lIntRefCnt;
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if ( lpDV->lIntRefCnt == 0 )
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{
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// Leave the critical section, we may call back into this func.
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// (Shouldn't though).
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DNLeaveCriticalSection( &lpDV->csCountLock );
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delete lpDV->lpDVClientEngine;
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lpDV->lpDVClientEngine = NULL;
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if( lpDV->lpDVTransport != 0 )
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{
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DNASSERT( lpDV->lpDVTransport->m_lRefCount == 0 );
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delete lpDV->lpDVTransport;
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lpDV->lpDVTransport = NULL;
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}
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DNDeleteCriticalSection( &lpDV->csCountLock );
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DNFree(lpDV);
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DecrementObjectCount();
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}
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else
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{
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DNLeaveCriticalSection( &lpDV->csCountLock );
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}
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return rc;
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}
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#undef DPF_MODNAME
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#define DPF_MODNAME "DVC_QueryInterface"
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STDMETHODIMP DVC_QueryInterface(LPDIRECTVOICECLIENTOBJECT lpDVC, REFIID riid, LPVOID * ppvObj)
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{
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HRESULT hr = S_OK;
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if( ppvObj == NULL ||
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!DNVALID_WRITEPTR( ppvObj, sizeof(LPVOID) ) )
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{
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DPFX(DPFPREP, DVF_ERRORLEVEL, "Invalid pointer passed for object" );
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return DVERR_INVALIDPOINTER;
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}
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*ppvObj=NULL;
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if( !DV_ValidDirectXVoiceClientObject( lpDVC ) )
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{
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return DVERR_INVALIDOBJECT;
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}
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// hmmm, switch would be cleaner...
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if( IsEqualIID(riid, IID_IUnknown) ||
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IsEqualIID(riid, IID_IDirectPlayVoiceClient ) )
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{
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*ppvObj = lpDVC;
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DV_AddRef(lpDVC);
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}
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else if( IsEqualIID(riid, IID_IDirectPlayVoiceNotify ) )
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{
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*ppvObj = &lpDVC->dvNotify;
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DV_Notify_AddRef(&lpDVC->dvNotify);
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}
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else
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{
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hr = E_NOINTERFACE;
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}
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return hr;
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}//DVC_QueryInterface
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#undef DPF_MODNAME
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#define DPF_MODNAME "DVC_Connect"
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STDMETHODIMP DVC_Connect(LPDIRECTVOICECLIENTOBJECT This, LPDVSOUNDDEVICECONFIG lpSoundDeviceConfig, LPDVCLIENTCONFIG lpClientConfig, DWORD dwFlags )
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{
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DNASSERT( This != NULL );
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DNASSERT( This->lpDVEngine != NULL );
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if( !DV_ValidDirectXVoiceClientObject( This ) )
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{
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return DVERR_INVALIDOBJECT;
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}
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return This->lpDVClientEngine->Connect( lpSoundDeviceConfig, lpClientConfig, dwFlags );
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}
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#undef DPF_MODNAME
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#define DPF_MODNAME "DVC_Disconnect"
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STDMETHODIMP DVC_Disconnect(LPDIRECTVOICECLIENTOBJECT This, DWORD dwFlags)
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{
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DNASSERT( This != NULL );
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DNASSERT( This->lpDVEngine != NULL );
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if( !DV_ValidDirectXVoiceClientObject( This ) )
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{
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return DVERR_INVALIDOBJECT;
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}
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return This->lpDVClientEngine->Disconnect( dwFlags );
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}
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#undef DPF_MODNAME
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#define DPF_MODNAME "DVC_GetSessionDesc"
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STDMETHODIMP DVC_GetSessionDesc(LPDIRECTVOICECLIENTOBJECT This, LPDVSESSIONDESC lpSessionDesc )
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{
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DNASSERT( This != NULL );
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DNASSERT( This->lpDVEngine != NULL );
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if( !DV_ValidDirectXVoiceClientObject( This ) )
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{
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return DVERR_INVALIDOBJECT;
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}
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return This->lpDVClientEngine->GetSessionDesc( lpSessionDesc );
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}
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#undef DPF_MODNAME
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#define DPF_MODNAME "DVC_GetSoundDeviceConfig"
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STDAPI DVC_GetSoundDeviceConfig( LPDIRECTVOICECLIENTOBJECT This, PDVSOUNDDEVICECONFIG pSoundDeviceConfig, PDWORD pdwBufferSize )
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{
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DNASSERT( This != NULL );
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DNASSERT( This->lpDVEngine != NULL );
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if( !DV_ValidDirectXVoiceClientObject( This ) )
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{
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return DVERR_INVALIDOBJECT;
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}
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return This->lpDVClientEngine->GetSoundDeviceConfig( pSoundDeviceConfig, pdwBufferSize );
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}
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#undef DPF_MODNAME
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#define DPF_MODNAME "DVC_GetClientConfig"
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STDMETHODIMP DVC_GetClientConfig(LPDIRECTVOICECLIENTOBJECT This, LPDVCLIENTCONFIG lpClientConfig )
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{
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DNASSERT( This != NULL );
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DNASSERT( This->lpDVEngine != NULL );
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if( !DV_ValidDirectXVoiceClientObject( This ) )
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{
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return DVERR_INVALIDOBJECT;
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}
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return This->lpDVClientEngine->GetClientConfig( lpClientConfig );
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}
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#undef DPF_MODNAME
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#define DPF_MODNAME "DVC_SetClientConfig"
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STDMETHODIMP DVC_SetClientConfig(LPDIRECTVOICECLIENTOBJECT This, LPDVCLIENTCONFIG lpClientConfig )
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{
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DNASSERT( This != NULL );
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DNASSERT( This->lpDVEngine != NULL );
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if( !DV_ValidDirectXVoiceClientObject( This ) )
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{
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return DVERR_INVALIDOBJECT;
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}
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return This->lpDVClientEngine->SetClientConfig( lpClientConfig );
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}
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#undef DPF_MODNAME
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#define DPF_MODNAME "DVC_GetCaps"
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STDMETHODIMP DVC_GetCaps(LPDIRECTVOICECLIENTOBJECT This, LPDVCAPS lpdvCaps )
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{
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DNASSERT( This != NULL );
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DNASSERT( This->lpDVEngine != NULL );
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if( !DV_ValidDirectXVoiceClientObject( This ) )
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{
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return DVERR_INVALIDOBJECT;
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}
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return This->lpDVClientEngine->GetCaps( lpdvCaps );
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}
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#undef DPF_MODNAME
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#define DPF_MODNAME "DVC_GetCompressionTypes"
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STDMETHODIMP DVC_GetCompressionTypes( LPDIRECTVOICECLIENTOBJECT This, LPVOID lpDataBuffer, LPDWORD lpdwSize, LPDWORD lpdwNumElements, DWORD dwFlags)
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{
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DNASSERT( This != NULL );
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DNASSERT( This->lpDVEngine != NULL );
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if( !DV_ValidDirectXVoiceClientObject( This ) )
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{
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return DVERR_INVALIDOBJECT;
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}
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return This->lpDVClientEngine->GetCompressionTypes( lpDataBuffer, lpdwSize, lpdwNumElements, dwFlags );
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}
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#undef DPF_MODNAME
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#define DPF_MODNAME "DVC_SetTransmitTarget"
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STDMETHODIMP DVC_SetTransmitTarget( LPDIRECTVOICECLIENTOBJECT This, PDVID pdvidTargets, DWORD dwNumTargets, DWORD dwFlags )
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{
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DNASSERT( This != NULL );
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DNASSERT( This->lpDVEngine != NULL );
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if( !DV_ValidDirectXVoiceClientObject( This ) )
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{
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return DVERR_INVALIDOBJECT;
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}
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return This->lpDVClientEngine->SetTransmitTarget( pdvidTargets, dwNumTargets, dwFlags );
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}
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#undef DPF_MODNAME
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#define DPF_MODNAME "DVC_GetTransmitTarget"
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STDMETHODIMP DVC_GetTransmitTarget( LPDIRECTVOICECLIENTOBJECT This, LPDVID lpdvidTargets, PDWORD pdwNumElements, DWORD dwFlags )
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{
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DNASSERT( This != NULL );
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DNASSERT( This->lpDVEngine != NULL );
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if( !DV_ValidDirectXVoiceClientObject( This ) )
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{
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return DVERR_INVALIDOBJECT;
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}
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return This->lpDVClientEngine->GetTransmitTarget( lpdvidTargets, pdwNumElements, dwFlags );
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}
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#undef DPF_MODNAME
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#define DPF_MODNAME "DVC_Create3DSoundBuffer"
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STDMETHODIMP DVC_Create3DSoundBuffer( LPDIRECTVOICECLIENTOBJECT This, DVID dvidEntity, LPDIRECTSOUNDBUFFER lpdsBuffer, DWORD dwPriority, DWORD dwFlags, LPDIRECTSOUND3DBUFFER *lpSoundBuffer )
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{
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DNASSERT( This != NULL );
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DNASSERT( This->lpDVEngine != NULL );
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if( !DV_ValidDirectXVoiceClientObject( This ) )
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{
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return DVERR_INVALIDOBJECT;
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}
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return This->lpDVClientEngine->Create3DSoundBuffer( dvidEntity, lpdsBuffer, dwPriority, dwFlags, lpSoundBuffer );
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}
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#undef DPF_MODNAME
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#define DPF_MODNAME "DVC_Delete3DSoundBuffer"
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STDMETHODIMP DVC_Delete3DSoundBuffer( LPDIRECTVOICECLIENTOBJECT This, DVID dvidBuffer, LPDIRECTSOUND3DBUFFER *lpSoundBuffer )
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{
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DNASSERT( This != NULL );
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DNASSERT( This->lpDVEngine != NULL );
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if( !DV_ValidDirectXVoiceClientObject( This ) )
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{
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return DVERR_INVALIDOBJECT;
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}
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return This->lpDVClientEngine->Delete3DSoundBuffer( dvidBuffer, lpSoundBuffer );
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}
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#undef DPF_MODNAME
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#define DPF_MODNAME "DVC_SetNotifyMask"
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STDMETHODIMP DVC_SetNotifyMask( LPDIRECTVOICECLIENTOBJECT This, LPDWORD lpdwMessages, DWORD dwNumElements )
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{
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DNASSERT( This != NULL );
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DNASSERT( This->lpDVEngine != NULL );
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if( !DV_ValidDirectXVoiceClientObject( This ) )
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return DVERR_INVALIDOBJECT;
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return This->lpDVClientEngine->SetNotifyMask( lpdwMessages, dwNumElements );
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}
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