wine/dlls/qedit/main.c
2013-04-15 16:45:35 +02:00

208 lines
5.7 KiB
C

/* DirectShow Editing Services (qedit.dll)
*
* Copyright 2008 Google (Lei Zhang)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "qedit_private.h"
#include "rpcproxy.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(qedit);
static HINSTANCE instance;
BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
{
switch(fdwReason) {
case DLL_PROCESS_ATTACH:
instance = hInstDLL;
DisableThreadLibraryCalls(hInstDLL);
break;
}
return TRUE;
}
/******************************************************************************
* DirectShow ClassFactory
*/
typedef struct {
IClassFactory IClassFactory_iface;
LONG ref;
HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, LPVOID *ppObj);
} IClassFactoryImpl;
static inline IClassFactoryImpl *impl_from_IClassFactory(IClassFactory *iface)
{
return CONTAINING_RECORD(iface, IClassFactoryImpl, IClassFactory_iface);
}
struct object_creation_info
{
const CLSID *clsid;
HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, LPVOID *ppObj);
};
static const struct object_creation_info object_creation[] =
{
{ &CLSID_MediaDet, MediaDet_create },
{ &CLSID_SampleGrabber, SampleGrabber_create },
};
static HRESULT WINAPI DSCF_QueryInterface(IClassFactory *iface, REFIID riid, void **ppobj)
{
if (IsEqualGUID(riid, &IID_IUnknown)
|| IsEqualGUID(riid, &IID_IClassFactory))
{
IClassFactory_AddRef(iface);
*ppobj = iface;
return S_OK;
}
*ppobj = NULL;
WARN("(%p)->(%s,%p), not found\n", iface, debugstr_guid(riid), ppobj);
return E_NOINTERFACE;
}
static ULONG WINAPI DSCF_AddRef(IClassFactory *iface)
{
IClassFactoryImpl *This = impl_from_IClassFactory(iface);
return InterlockedIncrement(&This->ref);
}
static ULONG WINAPI DSCF_Release(IClassFactory *iface)
{
IClassFactoryImpl *This = impl_from_IClassFactory(iface);
ULONG ref = InterlockedDecrement(&This->ref);
if (ref == 0)
CoTaskMemFree(This);
return ref;
}
static HRESULT WINAPI DSCF_CreateInstance(IClassFactory *iface, IUnknown *pOuter, REFIID riid,
void **ppobj)
{
IClassFactoryImpl *This = impl_from_IClassFactory(iface);
HRESULT hres;
LPUNKNOWN punk;
TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
*ppobj = NULL;
if (pOuter && !IsEqualGUID(&IID_IUnknown, riid))
return E_INVALIDARG;
hres = This->pfnCreateInstance(pOuter, (LPVOID *) &punk);
if (SUCCEEDED(hres)) {
hres = IUnknown_QueryInterface(punk, riid, ppobj);
IUnknown_Release(punk);
}
return hres;
}
static HRESULT WINAPI DSCF_LockServer(IClassFactory *iface, BOOL dolock)
{
IClassFactoryImpl *This = impl_from_IClassFactory(iface);
FIXME("(%p)->(%d),stub!\n",This,dolock);
return S_OK;
}
static const IClassFactoryVtbl DSCF_Vtbl =
{
DSCF_QueryInterface,
DSCF_AddRef,
DSCF_Release,
DSCF_CreateInstance,
DSCF_LockServer
};
/***********************************************************************
* DllCanUnloadNow (QEDIT.@)
*/
HRESULT WINAPI DllCanUnloadNow(void)
{
return S_FALSE;
}
/*******************************************************************************
* DllGetClassObject [QEDIT.@]
* Retrieves class object from a DLL object
*
* PARAMS
* rclsid [I] CLSID for the class object
* riid [I] Reference to identifier of interface for class object
* ppv [O] Address of variable to receive interface pointer for riid
*
* RETURNS
* Success: S_OK
* Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
* E_UNEXPECTED, E_NOINTERFACE
*/
HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
{
unsigned int i;
IClassFactoryImpl *factory;
TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
if ( !IsEqualGUID( &IID_IClassFactory, riid )
&& ! IsEqualGUID( &IID_IUnknown, riid) )
return E_NOINTERFACE;
for (i=0; i < sizeof(object_creation)/sizeof(object_creation[0]); i++)
{
if (IsEqualGUID(object_creation[i].clsid, rclsid))
break;
}
if (i == sizeof(object_creation)/sizeof(object_creation[0]))
{
FIXME("%s: no class found.\n", debugstr_guid(rclsid));
return CLASS_E_CLASSNOTAVAILABLE;
}
factory = CoTaskMemAlloc(sizeof(*factory));
if (factory == NULL) return E_OUTOFMEMORY;
factory->IClassFactory_iface.lpVtbl = &DSCF_Vtbl;
factory->ref = 1;
factory->pfnCreateInstance = object_creation[i].pfnCreateInstance;
*ppv = &factory->IClassFactory_iface;
return S_OK;
}
/***********************************************************************
* DllRegisterServer (QEDIT.@)
*/
HRESULT WINAPI DllRegisterServer(void)
{
return __wine_register_resources( instance );
}
/***********************************************************************
* DllUnregisterServer (QEDIT.@)
*/
HRESULT WINAPI DllUnregisterServer(void)
{
return __wine_unregister_resources( instance );
}