strmbase: Implement STRMBASE_DllGetClassObject and STRMBASE_DllCanUnloadNow.
This commit is contained in:
Aric Stewart
Alexandre Julliard
parent
e479273aca
commit
2c3bc2cf56
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@ -1,4 +1,4 @@
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@ stdcall -private DllCanUnloadNow()
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@ stdcall -private DllGetClassObject(ptr ptr ptr)
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@ stdcall -private DllGetClassObject(ptr ptr ptr) STRMBASE_DllGetClassObject
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@ stdcall -private DllRegisterServer()
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@ stdcall -private DllUnregisterServer()
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@ -44,7 +44,6 @@
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WINE_DEFAULT_DEBUG_CHANNEL(qcap);
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static LONG objects_ref = 0;
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static LONG server_locks = 0;
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static const WCHAR wAudioCaptFilter[] =
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{'A','u','d','i','o',' ','C','a','p','t','u','r','e',' ','F','i','l','t','e','r',0};
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@ -181,159 +180,11 @@ HRESULT WINAPI DllCanUnloadNow(void)
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{
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TRACE("\n");
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if (objects_ref == 0 && server_locks == 0)
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if (STRMBASE_DllCanUnloadNow() && objects_ref == 0)
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return S_OK;
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return S_FALSE;
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}
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/******************************************************************************
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* DLL ClassFactory
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*/
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typedef struct {
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IClassFactory ITF_IClassFactory;
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LONG ref;
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LPFNNewCOMObject pfnCreateInstance;
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} IClassFactoryImpl;
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static HRESULT WINAPI
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DSCF_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj)
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{
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IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
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if (IsEqualGUID(riid, &IID_IUnknown) ||
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IsEqualGUID(riid, &IID_IClassFactory))
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{
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IClassFactory_AddRef(iface);
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*ppobj = This;
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return S_OK;
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}
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WARN("(%p)->(%s,%p), not found\n", This, debugstr_guid(riid), ppobj);
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return E_NOINTERFACE;
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}
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static ULONG WINAPI DSCF_AddRef(LPCLASSFACTORY iface)
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{
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IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
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return InterlockedIncrement(&This->ref);
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}
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static ULONG WINAPI DSCF_Release(LPCLASSFACTORY iface)
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{
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IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
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ULONG ref = InterlockedDecrement(&This->ref);
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if (ref == 0)
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HeapFree(GetProcessHeap(), 0, This);
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return ref;
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}
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static HRESULT WINAPI DSCF_CreateInstance(LPCLASSFACTORY iface, LPUNKNOWN pOuter,
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REFIID riid, LPVOID *ppobj)
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{
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IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
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HRESULT hres = ERROR_SUCCESS;
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LPUNKNOWN punk;
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TRACE("(%p)->(%p,%s,%p)\n", This, pOuter, debugstr_guid(riid), ppobj);
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if (!ppobj)
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return E_POINTER;
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/* Enforce the normal OLE rules regarding interfaces and delegation */
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if (pOuter && !IsEqualGUID(riid, &IID_IUnknown))
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return E_NOINTERFACE;
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*ppobj = NULL;
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punk = This->pfnCreateInstance(pOuter, &hres);
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if (!punk)
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{
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/* No object created, update error if it isn't done already and return */
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if (SUCCEEDED(hres))
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hres = E_OUTOFMEMORY;
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return hres;
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}
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if (SUCCEEDED(hres))
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{
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hres = IUnknown_QueryInterface(punk, riid, ppobj);
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}
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/* Releasing the object. If everything was successful, QueryInterface
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should have incremented the refcount once more, otherwise this will
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purge the object. */
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IUnknown_Release(punk);
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return hres;
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}
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static HRESULT WINAPI DSCF_LockServer(LPCLASSFACTORY iface, BOOL dolock)
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{
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IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
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TRACE("(%p)->(%d)\n",This, dolock);
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if (dolock)
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InterlockedIncrement(&server_locks);
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else
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InterlockedDecrement(&server_locks);
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return S_OK;
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}
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static const IClassFactoryVtbl DSCF_Vtbl =
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{
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DSCF_QueryInterface,
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DSCF_AddRef,
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DSCF_Release,
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DSCF_CreateInstance,
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DSCF_LockServer
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};
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/***********************************************************************
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* DllGetClassObject (QCAP.@)
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*/
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HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
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{
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const FactoryTemplate *pList = g_Templates;
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IClassFactoryImpl *factory;
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int i;
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TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
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if (!ppv)
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return E_POINTER;
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*ppv = NULL;
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if (!IsEqualGUID(&IID_IClassFactory, riid) &&
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!IsEqualGUID(&IID_IUnknown, riid))
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return E_NOINTERFACE;
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for (i = 0; i < g_cTemplates; i++, pList++)
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{
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if (IsEqualGUID(pList->m_ClsID, rclsid))
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break;
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}
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if (i == g_cTemplates)
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{
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FIXME("%s: no class found.\n", debugstr_guid(rclsid));
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return CLASS_E_CLASSNOTAVAILABLE;
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}
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factory = HeapAlloc(GetProcessHeap(), 0, sizeof(IClassFactoryImpl));
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if (!factory)
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return E_OUTOFMEMORY;
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factory->ITF_IClassFactory.lpVtbl = &DSCF_Vtbl;
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factory->ref = 1;
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factory->pfnCreateInstance = pList->m_lpfnNew;
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*ppv = &(factory->ITF_IClassFactory);
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return S_OK;
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}
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DWORD ObjectRefCount(BOOL increment)
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{
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if (increment)
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@ -46,6 +46,7 @@ extern const int g_cTemplates;
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extern const FactoryTemplate g_Templates[];
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static HINSTANCE g_hInst = NULL;
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static LONG server_locks = 0;
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/*
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* defines and constants
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@ -233,3 +234,163 @@ BOOL WINAPI STRMBASE_DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
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}
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return TRUE;
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}
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/******************************************************************************
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* DLL ClassFactory
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*/
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typedef struct {
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IClassFactory ITF_IClassFactory;
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LONG ref;
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LPFNNewCOMObject pfnCreateInstance;
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} IClassFactoryImpl;
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static HRESULT WINAPI
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DSCF_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj)
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{
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IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
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if (IsEqualGUID(riid, &IID_IUnknown) ||
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IsEqualGUID(riid, &IID_IClassFactory))
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{
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IClassFactory_AddRef(iface);
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*ppobj = This;
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return S_OK;
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}
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WARN("(%p)->(%s,%p), not found\n", This, debugstr_guid(riid), ppobj);
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return E_NOINTERFACE;
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}
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static ULONG WINAPI DSCF_AddRef(LPCLASSFACTORY iface)
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{
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IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
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return InterlockedIncrement(&This->ref);
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}
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static ULONG WINAPI DSCF_Release(LPCLASSFACTORY iface)
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{
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IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
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ULONG ref = InterlockedDecrement(&This->ref);
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if (ref == 0)
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HeapFree(GetProcessHeap(), 0, This);
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return ref;
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}
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static HRESULT WINAPI DSCF_CreateInstance(LPCLASSFACTORY iface, LPUNKNOWN pOuter,
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REFIID riid, LPVOID *ppobj)
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{
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IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
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HRESULT hres = ERROR_SUCCESS;
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LPUNKNOWN punk;
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TRACE("(%p)->(%p,%s,%p)\n", This, pOuter, debugstr_guid(riid), ppobj);
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if (!ppobj)
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return E_POINTER;
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/* Enforce the normal OLE rules regarding interfaces and delegation */
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if (pOuter && !IsEqualGUID(riid, &IID_IUnknown))
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return E_NOINTERFACE;
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*ppobj = NULL;
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punk = This->pfnCreateInstance(pOuter, &hres);
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if (!punk)
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{
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/* No object created, update error if it isn't done already and return */
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if (SUCCEEDED(hres))
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hres = E_OUTOFMEMORY;
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return hres;
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}
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if (SUCCEEDED(hres))
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{
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hres = IUnknown_QueryInterface(punk, riid, ppobj);
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}
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/* Releasing the object. If everything was successful, QueryInterface
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should have incremented the refcount once more, otherwise this will
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purge the object. */
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IUnknown_Release(punk);
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return hres;
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}
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static HRESULT WINAPI DSCF_LockServer(LPCLASSFACTORY iface, BOOL dolock)
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{
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IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
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TRACE("(%p)->(%d)\n",This, dolock);
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if (dolock)
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InterlockedIncrement(&server_locks);
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else
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InterlockedDecrement(&server_locks);
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return S_OK;
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}
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static const IClassFactoryVtbl DSCF_Vtbl =
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{
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DSCF_QueryInterface,
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DSCF_AddRef,
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DSCF_Release,
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DSCF_CreateInstance,
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DSCF_LockServer
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};
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/***********************************************************************
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* DllGetClassObject
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*/
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HRESULT WINAPI STRMBASE_DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
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{
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const FactoryTemplate *pList = g_Templates;
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IClassFactoryImpl *factory;
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int i;
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TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
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if (!ppv)
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return E_POINTER;
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*ppv = NULL;
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if (!IsEqualGUID(&IID_IClassFactory, riid) &&
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!IsEqualGUID(&IID_IUnknown, riid))
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return E_NOINTERFACE;
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for (i = 0; i < g_cTemplates; i++, pList++)
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{
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if (IsEqualGUID(pList->m_ClsID, rclsid))
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break;
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}
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if (i == g_cTemplates)
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{
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FIXME("%s: no class found.\n", debugstr_guid(rclsid));
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return CLASS_E_CLASSNOTAVAILABLE;
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}
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factory = HeapAlloc(GetProcessHeap(), 0, sizeof(IClassFactoryImpl));
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if (!factory)
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return E_OUTOFMEMORY;
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factory->ITF_IClassFactory.lpVtbl = &DSCF_Vtbl;
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factory->ref = 1;
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factory->pfnCreateInstance = pList->m_lpfnNew;
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*ppv = &(factory->ITF_IClassFactory);
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return S_OK;
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}
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/***********************************************************************
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* DllCanUnloadNow
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*/
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HRESULT WINAPI STRMBASE_DllCanUnloadNow(void)
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{
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TRACE("\n");
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if (server_locks == 0)
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return S_OK;
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return S_FALSE;
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}
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@ -315,3 +315,5 @@ HRESULT WINAPI AMovieSetupRegisterFilter2( const AMOVIESETUP_FILTER const * pFil
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/* Dll Functions */
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BOOL WINAPI STRMBASE_DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv);
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HRESULT WINAPI STRMBASE_DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv);
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HRESULT WINAPI STRMBASE_DllCanUnloadNow(void);
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