332 lines
11 KiB
C
332 lines
11 KiB
C
/* DirectShow Base Functions (QUARTZ.DLL)
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*
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* Copyright 2002 Lionel Ulmer
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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 "config.h"
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#include "wine/debug.h"
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#include "quartz_private.h"
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#include "wine/unicode.h"
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WINE_DEFAULT_DEBUG_CHANNEL(quartz);
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extern HRESULT WINAPI QUARTZ_DllGetClassObject(REFCLSID, REFIID, LPVOID *) DECLSPEC_HIDDEN;
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extern HRESULT WINAPI QUARTZ_DllCanUnloadNow(void) DECLSPEC_HIDDEN;
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extern BOOL WINAPI QUARTZ_DllMain(HINSTANCE, DWORD, LPVOID) DECLSPEC_HIDDEN;
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static DWORD dll_ref = 0;
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/* For the moment, do nothing here. */
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BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
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{
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return QUARTZ_DllMain( hInstDLL, fdwReason, lpv );
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}
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static HRESULT SeekingPassThru_create(IUnknown *pUnkOuter, LPVOID *ppObj)
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{
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return PosPassThru_Construct(pUnkOuter,ppObj); /* from strmbase */
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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_SeekingPassThru, SeekingPassThru_create },
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{ &CLSID_FilterGraph, FilterGraph_create },
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{ &CLSID_FilterGraphNoThread, FilterGraphNoThread_create },
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{ &CLSID_FilterMapper, FilterMapper_create },
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{ &CLSID_FilterMapper2, FilterMapper2_create },
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{ &CLSID_AsyncReader, AsyncReader_create },
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{ &CLSID_MemoryAllocator, StdMemAllocator_create },
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{ &CLSID_AviSplitter, AVISplitter_create },
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{ &CLSID_MPEG1Splitter, MPEGSplitter_create },
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{ &CLSID_VideoRenderer, VideoRenderer_create },
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{ &CLSID_NullRenderer, NullRenderer_create },
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{ &CLSID_VideoMixingRenderer, VMR7Impl_create },
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{ &CLSID_VideoMixingRenderer9, VMR9Impl_create },
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{ &CLSID_VideoRendererDefault, VideoRendererDefault_create },
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{ &CLSID_DSoundRender, DSoundRender_create },
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{ &CLSID_AudioRender, DSoundRender_create },
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{ &CLSID_AVIDec, AVIDec_create },
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{ &CLSID_SystemClock, QUARTZ_CreateSystemClock },
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{ &CLSID_ACMWrapper, ACMWrapper_create },
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{ &CLSID_WAVEParser, WAVEParser_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,
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REFIID riid, 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_NOINTERFACE;
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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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* DllGetClassObject [QUARTZ.@]
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* Retrieves class object from a DLL object
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*
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* NOTES
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* Docs say returns STDAPI
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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
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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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TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
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if (IsEqualGUID( &IID_IClassFactory, riid ) || IsEqualGUID( &IID_IUnknown, riid))
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{
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for (i=0; i < sizeof(object_creation)/sizeof(object_creation[0]); i++)
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{
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if (IsEqualGUID(object_creation[i].clsid, rclsid))
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{
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IClassFactoryImpl *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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}
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return QUARTZ_DllGetClassObject( rclsid, riid, ppv );
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}
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/***********************************************************************
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* DllCanUnloadNow (QUARTZ.@)
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*/
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HRESULT WINAPI DllCanUnloadNow(void)
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{
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if (dll_ref) return S_FALSE;
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return QUARTZ_DllCanUnloadNow();
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}
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#define OUR_GUID_ENTRY(name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8) \
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{ { l, w1, w2, { b1, b2, b3, b4, b5, b6, b7, b8 } } , #name },
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static const struct {
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const GUID riid;
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const char *name;
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} InterfaceDesc[] =
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{
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#include "uuids.h"
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{ { 0, 0, 0, {0, 0, 0, 0, 0, 0, 0, 0} }, NULL }
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};
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/***********************************************************************
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* proxies
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*/
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HRESULT CALLBACK ICaptureGraphBuilder_FindInterface_Proxy( ICaptureGraphBuilder *This,
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const GUID *pCategory,
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IBaseFilter *pf,
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REFIID riid,
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void **ppint )
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{
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return ICaptureGraphBuilder_RemoteFindInterface_Proxy( This, pCategory, pf,
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riid, (IUnknown **)ppint );
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}
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HRESULT __RPC_STUB ICaptureGraphBuilder_FindInterface_Stub( ICaptureGraphBuilder *This,
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const GUID *pCategory,
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IBaseFilter *pf,
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REFIID riid,
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IUnknown **ppint )
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{
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return ICaptureGraphBuilder_FindInterface( This, pCategory, pf, riid, (void **)ppint );
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}
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HRESULT CALLBACK ICaptureGraphBuilder2_FindInterface_Proxy( ICaptureGraphBuilder2 *This,
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const GUID *pCategory,
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const GUID *pType,
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IBaseFilter *pf,
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REFIID riid,
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void **ppint )
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{
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return ICaptureGraphBuilder2_RemoteFindInterface_Proxy( This, pCategory, pType,
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pf, riid, (IUnknown **)ppint );
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}
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HRESULT __RPC_STUB ICaptureGraphBuilder2_FindInterface_Stub( ICaptureGraphBuilder2 *This,
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const GUID *pCategory,
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const GUID *pType,
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IBaseFilter *pf,
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REFIID riid,
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IUnknown **ppint )
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{
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return ICaptureGraphBuilder2_FindInterface( This, pCategory, pType, pf, riid, (void **)ppint );
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}
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/***********************************************************************
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* qzdebugstr_guid (internal)
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*
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* Gives a text version of DirectShow GUIDs
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*/
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const char * qzdebugstr_guid( const GUID * id )
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{
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int i;
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for (i=0; InterfaceDesc[i].name; i++)
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if (IsEqualGUID(&InterfaceDesc[i].riid, id)) return InterfaceDesc[i].name;
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return debugstr_guid(id);
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}
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LONG WINAPI AmpFactorToDB(LONG ampfactor)
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{
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FIXME("(%d) Stub!\n", ampfactor);
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return 0;
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}
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LONG WINAPI DBToAmpFactor(LONG db)
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{
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FIXME("(%d) Stub!\n", db);
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/* Avoid divide by zero (probably during range computation) in Windows Media Player 6.4 */
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if (db < -1000)
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return 0;
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return 100;
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}
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/***********************************************************************
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* AMGetErrorTextA (QUARTZ.@)
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*/
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DWORD WINAPI AMGetErrorTextA(HRESULT hr, LPSTR buffer, DWORD maxlen)
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{
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DWORD res;
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WCHAR errorW[MAX_ERROR_TEXT_LEN];
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TRACE("(%x,%p,%d)\n", hr, buffer, maxlen);
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if (!buffer)
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return 0;
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res = AMGetErrorTextW(hr, errorW, sizeof(errorW)/sizeof(*errorW));
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return WideCharToMultiByte(CP_ACP, 0, errorW, res, buffer, maxlen, 0, 0);
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}
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/***********************************************************************
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* AMGetErrorTextW (QUARTZ.@)
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*/
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DWORD WINAPI AMGetErrorTextW(HRESULT hr, LPWSTR buffer, DWORD maxlen)
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{
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unsigned int len;
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static const WCHAR format[] = {'E','r','r','o','r',':',' ','0','x','%','l','x',0};
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WCHAR error[MAX_ERROR_TEXT_LEN];
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FIXME("(%x,%p,%d) stub\n", hr, buffer, maxlen);
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if (!buffer) return 0;
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wsprintfW(error, format, hr);
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if ((len = strlenW(error)) >= maxlen) return 0;
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lstrcpyW(buffer, error);
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return len;
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}
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