strmbase: Implement STRMBASE_DllGetClassObject and STRMBASE_DllCanUnloadNow.

This commit is contained in:
Aric Stewart 2010-10-19 13:24:29 -05:00 committed by Alexandre Julliard
parent e479273aca
commit 2c3bc2cf56
4 changed files with 166 additions and 152 deletions

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@ -1,4 +1,4 @@
@ stdcall -private DllCanUnloadNow() @ stdcall -private DllCanUnloadNow()
@ stdcall -private DllGetClassObject(ptr ptr ptr) @ stdcall -private DllGetClassObject(ptr ptr ptr) STRMBASE_DllGetClassObject
@ stdcall -private DllRegisterServer() @ stdcall -private DllRegisterServer()
@ stdcall -private DllUnregisterServer() @ stdcall -private DllUnregisterServer()

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@ -44,7 +44,6 @@
WINE_DEFAULT_DEBUG_CHANNEL(qcap); WINE_DEFAULT_DEBUG_CHANNEL(qcap);
static LONG objects_ref = 0; static LONG objects_ref = 0;
static LONG server_locks = 0;
static const WCHAR wAudioCaptFilter[] = static const WCHAR wAudioCaptFilter[] =
{'A','u','d','i','o',' ','C','a','p','t','u','r','e',' ','F','i','l','t','e','r',0}; {'A','u','d','i','o',' ','C','a','p','t','u','r','e',' ','F','i','l','t','e','r',0};
@ -181,157 +180,9 @@ HRESULT WINAPI DllCanUnloadNow(void)
{ {
TRACE("\n"); TRACE("\n");
if (objects_ref == 0 && server_locks == 0) if (STRMBASE_DllCanUnloadNow() && objects_ref == 0)
return S_OK; return S_OK;
return S_FALSE; return S_FALSE;
}
/******************************************************************************
* DLL ClassFactory
*/
typedef struct {
IClassFactory ITF_IClassFactory;
LONG ref;
LPFNNewCOMObject pfnCreateInstance;
} IClassFactoryImpl;
static HRESULT WINAPI
DSCF_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj)
{
IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
if (IsEqualGUID(riid, &IID_IUnknown) ||
IsEqualGUID(riid, &IID_IClassFactory))
{
IClassFactory_AddRef(iface);
*ppobj = This;
return S_OK;
}
WARN("(%p)->(%s,%p), not found\n", This, debugstr_guid(riid), ppobj);
return E_NOINTERFACE;
}
static ULONG WINAPI DSCF_AddRef(LPCLASSFACTORY iface)
{
IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
return InterlockedIncrement(&This->ref);
}
static ULONG WINAPI DSCF_Release(LPCLASSFACTORY iface)
{
IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
ULONG ref = InterlockedDecrement(&This->ref);
if (ref == 0)
HeapFree(GetProcessHeap(), 0, This);
return ref;
}
static HRESULT WINAPI DSCF_CreateInstance(LPCLASSFACTORY iface, LPUNKNOWN pOuter,
REFIID riid, LPVOID *ppobj)
{
IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
HRESULT hres = ERROR_SUCCESS;
LPUNKNOWN punk;
TRACE("(%p)->(%p,%s,%p)\n", This, pOuter, debugstr_guid(riid), ppobj);
if (!ppobj)
return E_POINTER;
/* Enforce the normal OLE rules regarding interfaces and delegation */
if (pOuter && !IsEqualGUID(riid, &IID_IUnknown))
return E_NOINTERFACE;
*ppobj = NULL;
punk = This->pfnCreateInstance(pOuter, &hres);
if (!punk)
{
/* No object created, update error if it isn't done already and return */
if (SUCCEEDED(hres))
hres = E_OUTOFMEMORY;
return hres;
}
if (SUCCEEDED(hres))
{
hres = IUnknown_QueryInterface(punk, riid, ppobj);
}
/* Releasing the object. If everything was successful, QueryInterface
should have incremented the refcount once more, otherwise this will
purge the object. */
IUnknown_Release(punk);
return hres;
}
static HRESULT WINAPI DSCF_LockServer(LPCLASSFACTORY iface, BOOL dolock)
{
IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
TRACE("(%p)->(%d)\n",This, dolock);
if (dolock)
InterlockedIncrement(&server_locks);
else
InterlockedDecrement(&server_locks);
return S_OK;
}
static const IClassFactoryVtbl DSCF_Vtbl =
{
DSCF_QueryInterface,
DSCF_AddRef,
DSCF_Release,
DSCF_CreateInstance,
DSCF_LockServer
};
/***********************************************************************
* DllGetClassObject (QCAP.@)
*/
HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
{
const FactoryTemplate *pList = g_Templates;
IClassFactoryImpl *factory;
int i;
TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
if (!ppv)
return E_POINTER;
*ppv = NULL;
if (!IsEqualGUID(&IID_IClassFactory, riid) &&
!IsEqualGUID(&IID_IUnknown, riid))
return E_NOINTERFACE;
for (i = 0; i < g_cTemplates; i++, pList++)
{
if (IsEqualGUID(pList->m_ClsID, rclsid))
break;
}
if (i == g_cTemplates)
{
FIXME("%s: no class found.\n", debugstr_guid(rclsid));
return CLASS_E_CLASSNOTAVAILABLE;
}
factory = HeapAlloc(GetProcessHeap(), 0, sizeof(IClassFactoryImpl));
if (!factory)
return E_OUTOFMEMORY;
factory->ITF_IClassFactory.lpVtbl = &DSCF_Vtbl;
factory->ref = 1;
factory->pfnCreateInstance = pList->m_lpfnNew;
*ppv = &(factory->ITF_IClassFactory);
return S_OK;
} }
DWORD ObjectRefCount(BOOL increment) DWORD ObjectRefCount(BOOL increment)

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@ -46,6 +46,7 @@ extern const int g_cTemplates;
extern const FactoryTemplate g_Templates[]; extern const FactoryTemplate g_Templates[];
static HINSTANCE g_hInst = NULL; static HINSTANCE g_hInst = NULL;
static LONG server_locks = 0;
/* /*
* defines and constants * defines and constants
@ -233,3 +234,163 @@ BOOL WINAPI STRMBASE_DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
} }
return TRUE; return TRUE;
} }
/******************************************************************************
* DLL ClassFactory
*/
typedef struct {
IClassFactory ITF_IClassFactory;
LONG ref;
LPFNNewCOMObject pfnCreateInstance;
} IClassFactoryImpl;
static HRESULT WINAPI
DSCF_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj)
{
IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
if (IsEqualGUID(riid, &IID_IUnknown) ||
IsEqualGUID(riid, &IID_IClassFactory))
{
IClassFactory_AddRef(iface);
*ppobj = This;
return S_OK;
}
WARN("(%p)->(%s,%p), not found\n", This, debugstr_guid(riid), ppobj);
return E_NOINTERFACE;
}
static ULONG WINAPI DSCF_AddRef(LPCLASSFACTORY iface)
{
IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
return InterlockedIncrement(&This->ref);
}
static ULONG WINAPI DSCF_Release(LPCLASSFACTORY iface)
{
IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
ULONG ref = InterlockedDecrement(&This->ref);
if (ref == 0)
HeapFree(GetProcessHeap(), 0, This);
return ref;
}
static HRESULT WINAPI DSCF_CreateInstance(LPCLASSFACTORY iface, LPUNKNOWN pOuter,
REFIID riid, LPVOID *ppobj)
{
IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
HRESULT hres = ERROR_SUCCESS;
LPUNKNOWN punk;
TRACE("(%p)->(%p,%s,%p)\n", This, pOuter, debugstr_guid(riid), ppobj);
if (!ppobj)
return E_POINTER;
/* Enforce the normal OLE rules regarding interfaces and delegation */
if (pOuter && !IsEqualGUID(riid, &IID_IUnknown))
return E_NOINTERFACE;
*ppobj = NULL;
punk = This->pfnCreateInstance(pOuter, &hres);
if (!punk)
{
/* No object created, update error if it isn't done already and return */
if (SUCCEEDED(hres))
hres = E_OUTOFMEMORY;
return hres;
}
if (SUCCEEDED(hres))
{
hres = IUnknown_QueryInterface(punk, riid, ppobj);
}
/* Releasing the object. If everything was successful, QueryInterface
should have incremented the refcount once more, otherwise this will
purge the object. */
IUnknown_Release(punk);
return hres;
}
static HRESULT WINAPI DSCF_LockServer(LPCLASSFACTORY iface, BOOL dolock)
{
IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
TRACE("(%p)->(%d)\n",This, dolock);
if (dolock)
InterlockedIncrement(&server_locks);
else
InterlockedDecrement(&server_locks);
return S_OK;
}
static const IClassFactoryVtbl DSCF_Vtbl =
{
DSCF_QueryInterface,
DSCF_AddRef,
DSCF_Release,
DSCF_CreateInstance,
DSCF_LockServer
};
/***********************************************************************
* DllGetClassObject
*/
HRESULT WINAPI STRMBASE_DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
{
const FactoryTemplate *pList = g_Templates;
IClassFactoryImpl *factory;
int i;
TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
if (!ppv)
return E_POINTER;
*ppv = NULL;
if (!IsEqualGUID(&IID_IClassFactory, riid) &&
!IsEqualGUID(&IID_IUnknown, riid))
return E_NOINTERFACE;
for (i = 0; i < g_cTemplates; i++, pList++)
{
if (IsEqualGUID(pList->m_ClsID, rclsid))
break;
}
if (i == g_cTemplates)
{
FIXME("%s: no class found.\n", debugstr_guid(rclsid));
return CLASS_E_CLASSNOTAVAILABLE;
}
factory = HeapAlloc(GetProcessHeap(), 0, sizeof(IClassFactoryImpl));
if (!factory)
return E_OUTOFMEMORY;
factory->ITF_IClassFactory.lpVtbl = &DSCF_Vtbl;
factory->ref = 1;
factory->pfnCreateInstance = pList->m_lpfnNew;
*ppv = &(factory->ITF_IClassFactory);
return S_OK;
}
/***********************************************************************
* DllCanUnloadNow
*/
HRESULT WINAPI STRMBASE_DllCanUnloadNow(void)
{
TRACE("\n");
if (server_locks == 0)
return S_OK;
return S_FALSE;
}

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@ -315,3 +315,5 @@ HRESULT WINAPI AMovieSetupRegisterFilter2( const AMOVIESETUP_FILTER const * pFil
/* Dll Functions */ /* Dll Functions */
BOOL WINAPI STRMBASE_DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv); BOOL WINAPI STRMBASE_DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv);
HRESULT WINAPI STRMBASE_DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv);
HRESULT WINAPI STRMBASE_DllCanUnloadNow(void);