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