314 lines
8.6 KiB
C
314 lines
8.6 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 file contains the (internal) driver registration functions,
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* driver enumeration APIs and DirectDraw creation functions.
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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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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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switch(fdwReason) {
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case DLL_PROCESS_ATTACH:
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DisableThreadLibraryCalls(hInstDLL);
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break;
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case DLL_PROCESS_DETACH:
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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 ITF_IClassFactory;
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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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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_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
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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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*ppobj = NULL;
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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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CoTaskMemFree(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;
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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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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(LPCLASSFACTORY iface,BOOL dolock)
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{
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IClassFactoryImpl *This = (IClassFactoryImpl *)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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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 < 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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break;
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}
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if (i == sizeof(object_creation)/sizeof(object_creation[0]))
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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->ITF_IClassFactory.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->ITF_IClassFactory);
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return S_OK;
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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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return dll_ref != 0 ? S_FALSE : S_OK;
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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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* 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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char * name = NULL;
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for (i=0;InterfaceDesc[i].name && !name;i++) {
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if (IsEqualGUID(&InterfaceDesc[i].riid, id)) return InterfaceDesc[i].name;
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}
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return debugstr_guid(id);
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}
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/***********************************************************************
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* qzdebugstr_State (internal)
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*
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* Gives a text version of the FILTER_STATE enumeration
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*/
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const char * qzdebugstr_State(FILTER_STATE state)
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{
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switch (state)
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{
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case State_Stopped:
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return "State_Stopped";
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case State_Running:
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return "State_Running";
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case State_Paused:
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return "State_Paused";
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default:
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return "State_Unknown";
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}
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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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unsigned int len;
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static const char format[] = "Error: 0x%x";
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char 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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wsprintfA(error, format, hr);
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if ((len = strlen(error)) >= maxlen) return 0;
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lstrcpyA(buffer, error);
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return len;
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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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