Sweden-Number/dlls/quartz/main.c

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/* DirectShow Base Functions (QUARTZ.DLL)
*
* Copyright 2002 Lionel Ulmer
*
* This file contains the (internal) driver registration functions,
* driver enumeration APIs and DirectDraw creation functions.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include "wine/debug.h"
#include "quartz_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(quartz);
static DWORD dll_ref = 0;
/* For the moment, do nothing here. */
BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
{
switch(fdwReason) {
case DLL_PROCESS_ATTACH:
DisableThreadLibraryCalls(hInstDLL);
break;
case DLL_PROCESS_DETACH:
break;
}
return TRUE;
}
/******************************************************************************
* DirectShow ClassFactory
*/
typedef struct {
IClassFactory ITF_IClassFactory;
DWORD ref;
HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, LPVOID *ppObj);
} IClassFactoryImpl;
struct object_creation_info
{
const CLSID *clsid;
HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, LPVOID *ppObj);
};
static const struct object_creation_info object_creation[] =
{
{ &CLSID_FilterGraph, FILTERGRAPH_create },
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{ &CLSID_FilterMapper, FilterMapper2_create },
{ &CLSID_FilterMapper2, FilterMapper2_create },
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{ &CLSID_AsyncReader, AsyncReader_create },
{ &CLSID_MemoryAllocator, StdMemAllocator_create },
{ &CLSID_AviSplitter, AVISplitter_create },
{ &CLSID_VideoRenderer, VideoRenderer_create },
{ &CLSID_DSoundRender, DSoundRender_create },
{ &CLSID_AVIDec, AVIDec_create },
{ &CLSID_SystemClock, &QUARTZ_CreateSystemClock }
};
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;
LPUNKNOWN punk;
TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
*ppobj = NULL;
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(LPCLASSFACTORY iface,BOOL dolock)
{
IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
FIXME("(%p)->(%d),stub!\n",This,dolock);
return S_OK;
}
static IClassFactoryVtbl DSCF_Vtbl =
{
DSCF_QueryInterface,
DSCF_AddRef,
DSCF_Release,
DSCF_CreateInstance,
DSCF_LockServer
};
/*******************************************************************************
* DllGetClassObject [QUARTZ.@]
* Retrieves class object from a DLL object
*
* NOTES
* Docs say returns STDAPI
*
* 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
*/
DWORD WINAPI QUARTZ_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 = HeapAlloc(GetProcessHeap(), 0, sizeof(*factory));
if (factory == NULL) return E_OUTOFMEMORY;
factory->ITF_IClassFactory.lpVtbl = &DSCF_Vtbl;
factory->ref = 1;
factory->pfnCreateInstance = object_creation[i].pfnCreateInstance;
*ppv = &(factory->ITF_IClassFactory);
return S_OK;
}
/***********************************************************************
* DllCanUnloadNow (QUARTZ.@)
*/
HRESULT WINAPI QUARTZ_DllCanUnloadNow()
{
return dll_ref != 0 ? S_FALSE : S_OK;
}
static struct {
const GUID riid;
const char *name;
} InterfaceDesc[] =
{
#define OUR_GUID_ENTRY(name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8) \
{ { l, w1, w2, { b1, b2, b3, b4, b5, b6, b7, b8 } } , #name },
#include "uuids.h"
{ { 0, 0, 0, {0, 0, 0, 0, 0, 0, 0, 0} }, NULL }
};
/***********************************************************************
* qzdebugstr_guid (internal)
*
* Gives a text version of DirectShow GUIDs
*/
const char * qzdebugstr_guid( const GUID * id )
{
int i;
char * name = NULL;
for (i=0;InterfaceDesc[i].name && !name;i++) {
if (IsEqualGUID(&InterfaceDesc[i].riid, id)) return InterfaceDesc[i].name;
}
return debugstr_guid(id);
}
/***********************************************************************
* qzdebugstr_State (internal)
*
* Gives a text version of the FILTER_STATE enumeration
*/
const char * qzdebugstr_State(FILTER_STATE state)
{
switch (state)
{
case State_Stopped:
return "State_Stopped";
case State_Running:
return "State_Running";
case State_Paused:
return "State_Paused";
default:
return "State_Unknown";
}
}
LONG WINAPI AmpFactorToDB(LONG ampfactor)
{
FIXME("(%ld) Stub!\n", ampfactor);
return 0;
}
LONG WINAPI DBToAmpFactor(LONG db)
{
FIXME("(%ld) Stub!\n", db);
/* Avoid divide by zero (probably during range computation) in Windows Media Player 6.4 */
if (db < -1000)
return 0;
return 100;
}