587 lines
14 KiB
C++
587 lines
14 KiB
C++
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// Copyright (c) 1996-1999 Microsoft Corporation
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// READ THIS!!!!!!!!!!!!!!!!!!!!!!!!!!!
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//
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// 4530: C++ exception handler used, but unwind semantics are not enabled. Specify -GX
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//
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// We disable this because we use exceptions and do *not* specify -GX (USE_NATIVE_EH in
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// sources).
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//
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// The one place we use exceptions is around construction of objects that call
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// InitializeCriticalSection. We guarantee that it is safe to use in this case with
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// the restriction given by not using -GX (automatic objects in the call chain between
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// throw and handler are not destructed). Turning on -GX buys us nothing but +10% to code
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// size because of the unwind code.
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//
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// Any other use of exceptions must follow these restrictions or -GX must be turned on.
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//
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// READ THIS!!!!!!!!!!!!!!!!!!!!!!!!!!!
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//
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#pragma warning(disable:4530)
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// @@BEGIN_DDKSPLIT -- This section will be removed in the DDK sample. See ddkreadme.txt for more info.
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// dmsynth.cpp
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// @@END_DDKSPLIT
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//
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// Dll entry points and IDirectMusicSynthFactory implementation
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//
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#include <objbase.h>
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#include <mmsystem.h>
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#include <dsoundp.h>
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#include "debug.h"
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#include "oledll.h"
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#include "dmusicc.h"
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#include "dmusics.h"
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#include "umsynth.h"
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#include "misc.h"
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#include <regstr.h>
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#include "synth.h"
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// @@BEGIN_DDKSPLIT -- This section will be removed in the DDK sample. See ddkreadme.txt for more info.
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// dslink is only used in the DirectMusic Synth
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// validate is located in the sample itself instead of in a shared directory
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#include "dslink.h"
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#include "..\shared\validate.h"
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#include "..\shared\dmusiccp.h"
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#if 0 // The following section will only take effect in the DDK sample.
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// @@END_DDKSPLIT
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#include "validate.h"
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// @@BEGIN_DDKSPLIT -- This section will be removed in the DDK sample.
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#endif
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// @@END_DDKSPLIT
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// Globals
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//
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// @@BEGIN_DDKSPLIT -- This section will be removed in the DDK sample. See ddkreadme.txt for more info.
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extern CDSLinkList g_DSLinkList;
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// @@END_DDKSPLIT
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// Version information for our class
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//
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// @@BEGIN_DDKSPLIT -- This section will be removed in the DDK sample. See ddkreadme.txt for more info.
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TCHAR g_szMSSynthFriendlyName[] = TEXT("Microsoft Software Synthesizer");
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TCHAR g_szSynthFriendlyName[] = TEXT("DirectMusicSynth");
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TCHAR g_szSynthVerIndProgID[] = TEXT("Microsoft.DirectMusicSynth");
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TCHAR g_szSynthProgID[] = TEXT("Microsoft.DirectMusicSynth.1");
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TCHAR g_szSinkFriendlyName[] = TEXT("DirectMusicSynthSink");
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TCHAR g_szSinkVerIndProgID[] = TEXT("Microsoft.DirectMusicSynthSink");
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TCHAR g_szSinkProgID[] = TEXT("Microsoft.DirectMusicSynthSink.1");
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#if 0 // The following section will only take effect in the DDK sample.
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// @@END_DDKSPLIT
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TCHAR g_szMSSynthFriendlyName[] = TEXT("Microsoft DDK Software Synthesizer");
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TCHAR g_szSynthFriendlyName[] = TEXT("DDKSynth");
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TCHAR g_szSynthVerIndProgID[] = TEXT("Microsoft.DDKSynth");
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TCHAR g_szSynthProgID[] = TEXT("Microsoft.DDKSynth.1");
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// @@BEGIN_DDKSPLIT -- This section will be removed in the DDK sample.
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#endif
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// @@END_DDKSPLIT
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// Dll's hModule
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//
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HMODULE g_hModule = NULL;
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// Count of active components and class factory server locks
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//
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long g_cComponent = 0;
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long g_cLock = 0;
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static char const g_szDoEmulation[] = "DoEmulation";
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// CDirectMusicSynthFactory::QueryInterface
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//
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HRESULT __stdcall
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CDirectMusicSynthFactory::QueryInterface(const IID &iid,
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void **ppv)
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{
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V_INAME(IDirectMusicSynthFactory::QueryInterface);
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V_REFGUID(iid);
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V_PTRPTR_WRITE(ppv);
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if (iid == IID_IUnknown || iid == IID_IClassFactory) {
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*ppv = static_cast<IClassFactory*>(this);
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} else {
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*ppv = NULL;
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return E_NOINTERFACE;
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}
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reinterpret_cast<IUnknown*>(*ppv)->AddRef();
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return S_OK;
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}
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CDirectMusicSynthFactory::CDirectMusicSynthFactory()
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{
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m_cRef = 1;
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InterlockedIncrement(&g_cLock);
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}
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CDirectMusicSynthFactory::~CDirectMusicSynthFactory()
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{
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InterlockedDecrement(&g_cLock);
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}
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// CDirectMusicSynthFactory::AddRef
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//
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ULONG __stdcall
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CDirectMusicSynthFactory::AddRef()
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{
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return InterlockedIncrement(&m_cRef);
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}
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// CDirectMusicSynthFactory::Release
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//
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ULONG __stdcall
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CDirectMusicSynthFactory::Release()
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{
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if (!InterlockedDecrement(&m_cRef)) {
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delete this;
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return 0;
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}
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return m_cRef;
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}
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// CDirectMusicSynthFactory::CreateInstance
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//
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//
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HRESULT __stdcall
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CDirectMusicSynthFactory::CreateInstance(IUnknown* pUnknownOuter,
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const IID& iid,
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void** ppv)
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{
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// OSVERSIONINFO osvi;
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HRESULT hr;
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// DebugBreak();
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if (pUnknownOuter) {
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return CLASS_E_NOAGGREGATION;
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}
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CUserModeSynth *pDM;
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try
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{
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pDM = new CUserModeSynth;
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}
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catch( ... )
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{
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return E_OUTOFMEMORY;
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}
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if (pDM == NULL) {
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return E_OUTOFMEMORY;
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}
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// Do initialiazation
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//
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hr = pDM->Init();
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if (!SUCCEEDED(hr)) {
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delete pDM;
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return hr;
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}
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hr = pDM->QueryInterface(iid, ppv);
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// pDM->Release();
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return hr;
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}
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// CDirectMusicSynthFactory::LockServer
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//
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HRESULT __stdcall
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CDirectMusicSynthFactory::LockServer(BOOL bLock)
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{
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if (bLock) {
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InterlockedIncrement(&g_cLock);
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} else {
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InterlockedDecrement(&g_cLock);
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}
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return S_OK;
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}
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// @@BEGIN_DDKSPLIT -- This section will be removed in the DDK sample. See ddkreadme.txt for more info.
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// CDirectMusicSynthSinkFactory::QueryInterface
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//
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HRESULT __stdcall
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CDirectMusicSynthSinkFactory::QueryInterface(const IID &iid,
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void **ppv)
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{
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V_INAME(IDirectMusicSynthSinkFactory::QueryInterface);
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V_REFGUID(iid);
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V_PTRPTR_WRITE(ppv);
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if (iid == IID_IUnknown || iid == IID_IClassFactory) {
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*ppv = static_cast<IClassFactory*>(this);
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} else {
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*ppv = NULL;
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return E_NOINTERFACE;
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}
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reinterpret_cast<IUnknown*>(*ppv)->AddRef();
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return S_OK;
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}
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CDirectMusicSynthSinkFactory::CDirectMusicSynthSinkFactory()
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{
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m_cRef = 1;
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InterlockedIncrement(&g_cLock);
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}
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CDirectMusicSynthSinkFactory::~CDirectMusicSynthSinkFactory()
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{
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InterlockedDecrement(&g_cLock);
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}
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// CDirectMusicSynthSinkFactory::AddRef
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//
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ULONG __stdcall
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CDirectMusicSynthSinkFactory::AddRef()
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{
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return InterlockedIncrement(&m_cRef);
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}
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// CDirectMusicSynthSinkFactory::Release
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//
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ULONG __stdcall
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CDirectMusicSynthSinkFactory::Release()
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{
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if (!InterlockedDecrement(&m_cRef)) {
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delete this;
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return 0;
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}
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return m_cRef;
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}
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// CDirectMusicSynthSinkFactory::CreateInstance
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//
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//
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HRESULT __stdcall
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CDirectMusicSynthSinkFactory::CreateInstance(IUnknown* pUnknownOuter,
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const IID& iid,
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void** ppv)
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{
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// OSVERSIONINFO osvi;
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HRESULT hr;
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// DebugBreak();
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if (pUnknownOuter) {
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return CLASS_E_NOAGGREGATION;
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}
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CDSLink *pDSLink;
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try
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{
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pDSLink = new CDSLink;
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}
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catch( ... )
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{
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return E_OUTOFMEMORY;
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}
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if (pDSLink == NULL) {
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return E_OUTOFMEMORY;
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}
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// Do initialiazation
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//
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hr = pDSLink->Init(NULL);
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if (!SUCCEEDED(hr)) {
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delete pDSLink;
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return hr;
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}
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hr = pDSLink->QueryInterface(iid, ppv);
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// pDM->Release();
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return hr;
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}
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// CDirectMusicSynthSinkFactory::LockServer
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//
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HRESULT __stdcall
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CDirectMusicSynthSinkFactory::LockServer(BOOL bLock)
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{
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if (bLock) {
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InterlockedIncrement(&g_cLock);
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} else {
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InterlockedDecrement(&g_cLock);
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}
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return S_OK;
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}
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// @@END_DDKSPLIT
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// Standard calls needed to be an inproc server
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//
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STDAPI DllCanUnloadNow()
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{
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if (g_cComponent || g_cLock) {
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return S_FALSE;
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}
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return S_OK;
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}
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STDAPI DllGetClassObject(const CLSID& clsid,
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const IID& iid,
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void** ppv)
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{
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IUnknown* pIUnknown = NULL;
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// @@BEGIN_DDKSPLIT -- This section will be removed in the DDK sample. See ddkreadme.txt for more info.
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if(clsid == CLSID_DirectMusicSynth)
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#if 0 // The following section will only take effect in the DDK sample.
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// @@END_DDKSPLIT
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if(clsid == CLSID_DDKSynth)
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// @@BEGIN_DDKSPLIT -- This section will be removed in the DDK sample.
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#endif
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// @@END_DDKSPLIT
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{
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pIUnknown = static_cast<IUnknown*> (new CDirectMusicSynthFactory);
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if(!pIUnknown)
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{
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return E_OUTOFMEMORY;
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}
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}
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// @@BEGIN_DDKSPLIT -- This section will be removed in the DDK sample. See ddkreadme.txt for more info.
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else if(clsid == CLSID_DirectMusicSynthSink)
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{
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pIUnknown = static_cast<IUnknown*> (new CDirectMusicSynthSinkFactory);
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if(!pIUnknown)
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{
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return E_OUTOFMEMORY;
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}
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}
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// @@END_DDKSPLIT
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else
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{
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return CLASS_E_CLASSNOTAVAILABLE;
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}
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HRESULT hr = pIUnknown->QueryInterface(iid, ppv);
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pIUnknown->Release();
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return hr;
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}
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const TCHAR cszSynthRegRoot[] = TEXT(REGSTR_PATH_SOFTWARESYNTHS) TEXT("\\");
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const TCHAR cszDescriptionKey[] = TEXT("Description");
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const int CLSID_STRING_SIZE = 39;
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HRESULT CLSIDToStr(const CLSID &clsid, TCHAR *szStr, int cbStr);
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HRESULT RegisterSynth(REFGUID guid,
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const TCHAR szDescription[])
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{
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HKEY hk;
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TCHAR szCLSID[CLSID_STRING_SIZE];
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TCHAR szRegKey[256];
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HRESULT hr = CLSIDToStr(guid, szCLSID, sizeof(szCLSID));
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|
|
if (!SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
lstrcpy(szRegKey, cszSynthRegRoot);
|
||
|
|
lstrcat(szRegKey, szCLSID);
|
||
|
|
|
||
|
|
if (RegCreateKey(HKEY_LOCAL_MACHINE,
|
||
|
|
szRegKey,
|
||
|
|
&hk))
|
||
|
|
{
|
||
|
|
return E_FAIL;
|
||
|
|
}
|
||
|
|
|
||
|
|
hr = S_OK;
|
||
|
|
|
||
|
|
if (RegSetValueEx(hk,
|
||
|
|
cszDescriptionKey,
|
||
|
|
0L,
|
||
|
|
REG_SZ,
|
||
|
|
(CONST BYTE*)szDescription,
|
||
|
|
lstrlen(szDescription) + 1))
|
||
|
|
{
|
||
|
|
hr = E_FAIL;
|
||
|
|
}
|
||
|
|
|
||
|
|
RegCloseKey(hk);
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDAPI DllUnregisterServer()
|
||
|
|
{
|
||
|
|
// @@BEGIN_DDKSPLIT -- This section will be removed in the DDK sample. See ddkreadme.txt for more info.
|
||
|
|
UnregisterServer(CLSID_DirectMusicSynth,
|
||
|
|
#if 0 // The following section will only take affect in the DDK sample.
|
||
|
|
// @@END_DDKSPLIT
|
||
|
|
UnregisterServer(CLSID_DDKSynth,
|
||
|
|
// @@BEGIN_DDKSPLIT -- This section will be removed in the DDK sample.
|
||
|
|
#endif
|
||
|
|
// @@END_DDKSPLIT
|
||
|
|
g_szSynthFriendlyName,
|
||
|
|
g_szSynthVerIndProgID,
|
||
|
|
g_szSynthProgID);
|
||
|
|
|
||
|
|
// @@BEGIN_DDKSPLIT -- This section will be removed in the DDK sample. See ddkreadme.txt for more info.
|
||
|
|
UnregisterServer(CLSID_DirectMusicSynthSink,
|
||
|
|
g_szSinkFriendlyName,
|
||
|
|
g_szSinkVerIndProgID,
|
||
|
|
g_szSinkProgID);
|
||
|
|
// @@END_DDKSPLIT
|
||
|
|
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDAPI DllRegisterServer()
|
||
|
|
{
|
||
|
|
RegisterServer(g_hModule,
|
||
|
|
// @@BEGIN_DDKSPLIT -- This section will be removed in the DDK sample. See ddkreadme.txt for more info.
|
||
|
|
CLSID_DirectMusicSynth,
|
||
|
|
#if 0 // The following section will only take affect in the DDK sample.
|
||
|
|
// @@END_DDKSPLIT
|
||
|
|
CLSID_DDKSynth,
|
||
|
|
// @@BEGIN_DDKSPLIT -- This section will be removed in the DDK sample.
|
||
|
|
#endif
|
||
|
|
// @@END_DDKSPLIT
|
||
|
|
g_szSynthFriendlyName,
|
||
|
|
g_szSynthVerIndProgID,
|
||
|
|
g_szSynthProgID);
|
||
|
|
|
||
|
|
// @@BEGIN_DDKSPLIT -- This section will be removed in the DDK sample. See ddkreadme.txt for more info.
|
||
|
|
RegisterServer(g_hModule,
|
||
|
|
CLSID_DirectMusicSynthSink,
|
||
|
|
g_szSinkFriendlyName,
|
||
|
|
g_szSinkVerIndProgID,
|
||
|
|
g_szSinkProgID);
|
||
|
|
// @@END_DDKSPLIT
|
||
|
|
|
||
|
|
// @@BEGIN_DDKSPLIT -- This section will be removed in the DDK sample. See ddkreadme.txt for more info.
|
||
|
|
RegisterSynth(CLSID_DirectMusicSynth, g_szMSSynthFriendlyName);
|
||
|
|
#if 0 // The following section will only take affect in the DDK sample.
|
||
|
|
// @@END_DDKSPLIT
|
||
|
|
RegisterSynth(CLSID_DDKSynth, g_szMSSynthFriendlyName);
|
||
|
|
// @@BEGIN_DDKSPLIT -- This section will be removed in the DDK sample.
|
||
|
|
#endif
|
||
|
|
// @@END_DDKSPLIT
|
||
|
|
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
extern void DebugInit();
|
||
|
|
|
||
|
|
// Standard Win32 DllMain
|
||
|
|
//
|
||
|
|
|
||
|
|
#ifdef DBG
|
||
|
|
static char* aszReasons[] =
|
||
|
|
{
|
||
|
|
"DLL_PROCESS_DETACH",
|
||
|
|
"DLL_PROCESS_ATTACH",
|
||
|
|
"DLL_THREAD_ATTACH",
|
||
|
|
"DLL_THREAD_DETACH"
|
||
|
|
};
|
||
|
|
const DWORD nReasons = (sizeof(aszReasons) / sizeof(char*));
|
||
|
|
#endif
|
||
|
|
|
||
|
|
BOOL APIENTRY DllMain(HINSTANCE hModule,
|
||
|
|
DWORD dwReason,
|
||
|
|
void *lpReserved)
|
||
|
|
|
||
|
|
{
|
||
|
|
static int nReferenceCount = 0;
|
||
|
|
|
||
|
|
#ifdef DBG
|
||
|
|
if (dwReason < nReasons)
|
||
|
|
{
|
||
|
|
Trace(0, "DllMain: %s\n", (LPSTR)aszReasons[dwReason]);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
Trace(0, "DllMain: Unknown dwReason <%u>\n", dwReason);
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
if (dwReason == DLL_PROCESS_ATTACH) {
|
||
|
|
if (++nReferenceCount == 1)
|
||
|
|
{
|
||
|
|
DisableThreadLibraryCalls(hModule);
|
||
|
|
g_hModule = hModule;
|
||
|
|
// @@BEGIN_DDKSPLIT -- This section will be removed in the DDK sample. See ddkreadme.txt for more info.
|
||
|
|
if (!g_DSLinkList.OpenUp())
|
||
|
|
{
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
// @@END_DDKSPLIT
|
||
|
|
#ifdef DBG
|
||
|
|
DebugInit();
|
||
|
|
#endif
|
||
|
|
#ifdef DBG
|
||
|
|
//>>>>>>>>> remove these when done
|
||
|
|
/*
|
||
|
|
_CrtSetReportMode( _CRT_WARN, _CRTDBG_MODE_DEBUG );
|
||
|
|
int iFlag = _CrtSetDbgFlag( _CRTDBG_REPORT_FLAG );
|
||
|
|
_CrtSetDbgFlag( iFlag | _CRTDBG_ALLOC_MEM_DF | _CRTDBG_CHECK_ALWAYS_DF );
|
||
|
|
*/
|
||
|
|
#endif
|
||
|
|
if (!CControlLogic::InitCriticalSection())
|
||
|
|
{
|
||
|
|
TraceI(0, "Failed to initialize global critical section -- failing init\n");
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (dwReason == DLL_PROCESS_DETACH)
|
||
|
|
{
|
||
|
|
if (--nReferenceCount == 0)
|
||
|
|
{
|
||
|
|
// @@BEGIN_DDKSPLIT -- This section will be removed in the DDK sample. See ddkreadme.txt for more info.
|
||
|
|
g_DSLinkList.CloseDown();
|
||
|
|
|
||
|
|
TraceI(-1, "Unloading g_cLock %d g_cComponent %d\n", g_cLock, g_cComponent);
|
||
|
|
// Assert if we still have some objects hanging around
|
||
|
|
assert(g_cComponent == 0);
|
||
|
|
assert(g_cLock == 0);
|
||
|
|
// @@END_DDKSPLIT
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifdef DBG
|
||
|
|
//>>>>>>>>> remove these when done
|
||
|
|
/*
|
||
|
|
if ( !_CrtCheckMemory() )
|
||
|
|
::MessageBox(NULL,"Synth Heap Corupted","ERROR",MB_OK);
|
||
|
|
|
||
|
|
if ( _CrtDumpMemoryLeaks() )
|
||
|
|
::MessageBox(NULL,"Memory Leaks Detected","ERROR",MB_OK);
|
||
|
|
*/
|
||
|
|
#endif
|
||
|
|
CControlLogic::KillCriticalSection();
|
||
|
|
}
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|