// Copyright (c) 1996-1999 Microsoft Corporation // READ THIS!!!!!!!!!!!!!!!!!!!!!!!!!!! // // 4530: C++ exception handler used, but unwind semantics are not enabled. Specify -GX // // We disable this because we use exceptions and do *not* specify -GX (USE_NATIVE_EH in // sources). // // The one place we use exceptions is around construction of objects that call // InitializeCriticalSection. We guarantee that it is safe to use in this case with // the restriction given by not using -GX (automatic objects in the call chain between // throw and handler are not destructed). Turning on -GX buys us nothing but +10% to code // size because of the unwind code. // // Any other use of exceptions must follow these restrictions or -GX must be turned on. // // READ THIS!!!!!!!!!!!!!!!!!!!!!!!!!!! // #pragma warning(disable:4530) // @@BEGIN_DDKSPLIT -- This section will be removed in the DDK sample. See ddkreadme.txt for more info. // dmsynth.cpp // @@END_DDKSPLIT // // Dll entry points and IDirectMusicSynthFactory implementation // #include #include #include #include "debug.h" #include "oledll.h" #include "dmusicc.h" #include "dmusics.h" #include "umsynth.h" #include "misc.h" #include #include "synth.h" // @@BEGIN_DDKSPLIT -- This section will be removed in the DDK sample. See ddkreadme.txt for more info. // dslink is only used in the DirectMusic Synth // validate is located in the sample itself instead of in a shared directory #include "dslink.h" #include "..\shared\validate.h" #include "..\shared\dmusiccp.h" #if 0 // The following section will only take effect in the DDK sample. // @@END_DDKSPLIT #include "validate.h" // @@BEGIN_DDKSPLIT -- This section will be removed in the DDK sample. #endif // @@END_DDKSPLIT // Globals // // @@BEGIN_DDKSPLIT -- This section will be removed in the DDK sample. See ddkreadme.txt for more info. extern CDSLinkList g_DSLinkList; // @@END_DDKSPLIT // Version information for our class // // @@BEGIN_DDKSPLIT -- This section will be removed in the DDK sample. See ddkreadme.txt for more info. TCHAR g_szMSSynthFriendlyName[] = TEXT("Microsoft Software Synthesizer"); TCHAR g_szSynthFriendlyName[] = TEXT("DirectMusicSynth"); TCHAR g_szSynthVerIndProgID[] = TEXT("Microsoft.DirectMusicSynth"); TCHAR g_szSynthProgID[] = TEXT("Microsoft.DirectMusicSynth.1"); TCHAR g_szSinkFriendlyName[] = TEXT("DirectMusicSynthSink"); TCHAR g_szSinkVerIndProgID[] = TEXT("Microsoft.DirectMusicSynthSink"); TCHAR g_szSinkProgID[] = TEXT("Microsoft.DirectMusicSynthSink.1"); #if 0 // The following section will only take effect in the DDK sample. // @@END_DDKSPLIT TCHAR g_szMSSynthFriendlyName[] = TEXT("Microsoft DDK Software Synthesizer"); TCHAR g_szSynthFriendlyName[] = TEXT("DDKSynth"); TCHAR g_szSynthVerIndProgID[] = TEXT("Microsoft.DDKSynth"); TCHAR g_szSynthProgID[] = TEXT("Microsoft.DDKSynth.1"); // @@BEGIN_DDKSPLIT -- This section will be removed in the DDK sample. #endif // @@END_DDKSPLIT // Dll's hModule // HMODULE g_hModule = NULL; // Count of active components and class factory server locks // long g_cComponent = 0; long g_cLock = 0; static char const g_szDoEmulation[] = "DoEmulation"; // CDirectMusicSynthFactory::QueryInterface // HRESULT __stdcall CDirectMusicSynthFactory::QueryInterface(const IID &iid, void **ppv) { V_INAME(IDirectMusicSynthFactory::QueryInterface); V_REFGUID(iid); V_PTRPTR_WRITE(ppv); if (iid == IID_IUnknown || iid == IID_IClassFactory) { *ppv = static_cast(this); } else { *ppv = NULL; return E_NOINTERFACE; } reinterpret_cast(*ppv)->AddRef(); return S_OK; } CDirectMusicSynthFactory::CDirectMusicSynthFactory() { m_cRef = 1; InterlockedIncrement(&g_cLock); } CDirectMusicSynthFactory::~CDirectMusicSynthFactory() { InterlockedDecrement(&g_cLock); } // CDirectMusicSynthFactory::AddRef // ULONG __stdcall CDirectMusicSynthFactory::AddRef() { return InterlockedIncrement(&m_cRef); } // CDirectMusicSynthFactory::Release // ULONG __stdcall CDirectMusicSynthFactory::Release() { if (!InterlockedDecrement(&m_cRef)) { delete this; return 0; } return m_cRef; } // CDirectMusicSynthFactory::CreateInstance // // HRESULT __stdcall CDirectMusicSynthFactory::CreateInstance(IUnknown* pUnknownOuter, const IID& iid, void** ppv) { // OSVERSIONINFO osvi; HRESULT hr; // DebugBreak(); if (pUnknownOuter) { return CLASS_E_NOAGGREGATION; } CUserModeSynth *pDM; try { pDM = new CUserModeSynth; } catch( ... ) { return E_OUTOFMEMORY; } if (pDM == NULL) { return E_OUTOFMEMORY; } // Do initialiazation // hr = pDM->Init(); if (!SUCCEEDED(hr)) { delete pDM; return hr; } hr = pDM->QueryInterface(iid, ppv); // pDM->Release(); return hr; } // CDirectMusicSynthFactory::LockServer // HRESULT __stdcall CDirectMusicSynthFactory::LockServer(BOOL bLock) { if (bLock) { InterlockedIncrement(&g_cLock); } else { InterlockedDecrement(&g_cLock); } return S_OK; } // @@BEGIN_DDKSPLIT -- This section will be removed in the DDK sample. See ddkreadme.txt for more info. // CDirectMusicSynthSinkFactory::QueryInterface // HRESULT __stdcall CDirectMusicSynthSinkFactory::QueryInterface(const IID &iid, void **ppv) { V_INAME(IDirectMusicSynthSinkFactory::QueryInterface); V_REFGUID(iid); V_PTRPTR_WRITE(ppv); if (iid == IID_IUnknown || iid == IID_IClassFactory) { *ppv = static_cast(this); } else { *ppv = NULL; return E_NOINTERFACE; } reinterpret_cast(*ppv)->AddRef(); return S_OK; } CDirectMusicSynthSinkFactory::CDirectMusicSynthSinkFactory() { m_cRef = 1; InterlockedIncrement(&g_cLock); } CDirectMusicSynthSinkFactory::~CDirectMusicSynthSinkFactory() { InterlockedDecrement(&g_cLock); } // CDirectMusicSynthSinkFactory::AddRef // ULONG __stdcall CDirectMusicSynthSinkFactory::AddRef() { return InterlockedIncrement(&m_cRef); } // CDirectMusicSynthSinkFactory::Release // ULONG __stdcall CDirectMusicSynthSinkFactory::Release() { if (!InterlockedDecrement(&m_cRef)) { delete this; return 0; } return m_cRef; } // CDirectMusicSynthSinkFactory::CreateInstance // // HRESULT __stdcall CDirectMusicSynthSinkFactory::CreateInstance(IUnknown* pUnknownOuter, const IID& iid, void** ppv) { // OSVERSIONINFO osvi; HRESULT hr; // DebugBreak(); if (pUnknownOuter) { return CLASS_E_NOAGGREGATION; } CDSLink *pDSLink; try { pDSLink = new CDSLink; } catch( ... ) { return E_OUTOFMEMORY; } if (pDSLink == NULL) { return E_OUTOFMEMORY; } // Do initialiazation // hr = pDSLink->Init(NULL); if (!SUCCEEDED(hr)) { delete pDSLink; return hr; } hr = pDSLink->QueryInterface(iid, ppv); // pDM->Release(); return hr; } // CDirectMusicSynthSinkFactory::LockServer // HRESULT __stdcall CDirectMusicSynthSinkFactory::LockServer(BOOL bLock) { if (bLock) { InterlockedIncrement(&g_cLock); } else { InterlockedDecrement(&g_cLock); } return S_OK; } // @@END_DDKSPLIT // Standard calls needed to be an inproc server // STDAPI DllCanUnloadNow() { if (g_cComponent || g_cLock) { return S_FALSE; } return S_OK; } STDAPI DllGetClassObject(const CLSID& clsid, const IID& iid, void** ppv) { IUnknown* pIUnknown = NULL; // @@BEGIN_DDKSPLIT -- This section will be removed in the DDK sample. See ddkreadme.txt for more info. if(clsid == CLSID_DirectMusicSynth) #if 0 // The following section will only take effect in the DDK sample. // @@END_DDKSPLIT if(clsid == CLSID_DDKSynth) // @@BEGIN_DDKSPLIT -- This section will be removed in the DDK sample. #endif // @@END_DDKSPLIT { pIUnknown = static_cast (new CDirectMusicSynthFactory); if(!pIUnknown) { return E_OUTOFMEMORY; } } // @@BEGIN_DDKSPLIT -- This section will be removed in the DDK sample. See ddkreadme.txt for more info. else if(clsid == CLSID_DirectMusicSynthSink) { pIUnknown = static_cast (new CDirectMusicSynthSinkFactory); if(!pIUnknown) { return E_OUTOFMEMORY; } } // @@END_DDKSPLIT else { return CLASS_E_CLASSNOTAVAILABLE; } HRESULT hr = pIUnknown->QueryInterface(iid, ppv); pIUnknown->Release(); return hr; } const TCHAR cszSynthRegRoot[] = TEXT(REGSTR_PATH_SOFTWARESYNTHS) TEXT("\\"); const TCHAR cszDescriptionKey[] = TEXT("Description"); const int CLSID_STRING_SIZE = 39; HRESULT CLSIDToStr(const CLSID &clsid, TCHAR *szStr, int cbStr); HRESULT RegisterSynth(REFGUID guid, const TCHAR szDescription[]) { HKEY hk; TCHAR szCLSID[CLSID_STRING_SIZE]; TCHAR szRegKey[256]; HRESULT hr = CLSIDToStr(guid, szCLSID, sizeof(szCLSID)); 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; }