251 lines
6.6 KiB
C
251 lines
6.6 KiB
C
/* 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 },
|
|
{ &CLSID_FilterMapper, FilterMapper2_create },
|
|
{ &CLSID_FilterMapper2, FilterMapper2_create },
|
|
{ &CLSID_AsyncReader, AsyncReader_create },
|
|
{ &CLSID_MemoryAllocator, StdMemAllocator_create },
|
|
{ &CLSID_AviSplitter, AVISplitter_create },
|
|
|
|
{ &CLSID_SystemClock, &QUARTZ_CreateSystemClock }
|
|
};
|
|
|
|
static HRESULT WINAPI
|
|
DSCF_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj)
|
|
{
|
|
ICOM_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) {
|
|
ICOM_THIS(IClassFactoryImpl,iface);
|
|
return ++(This->ref);
|
|
}
|
|
|
|
static ULONG WINAPI DSCF_Release(LPCLASSFACTORY iface) {
|
|
ICOM_THIS(IClassFactoryImpl,iface);
|
|
|
|
ULONG ref = --This->ref;
|
|
|
|
if (ref == 0)
|
|
HeapFree(GetProcessHeap(), 0, This);
|
|
|
|
return ref;
|
|
}
|
|
|
|
|
|
static HRESULT WINAPI DSCF_CreateInstance(LPCLASSFACTORY iface, LPUNKNOWN pOuter,
|
|
REFIID riid, LPVOID *ppobj) {
|
|
ICOM_THIS(IClassFactoryImpl,iface);
|
|
HRESULT hres;
|
|
LPUNKNOWN punk;
|
|
|
|
TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
|
|
|
|
hres = This->pfnCreateInstance(pOuter, (LPVOID *) &punk);
|
|
if (FAILED(hres)) {
|
|
*ppobj = NULL;
|
|
return hres;
|
|
}
|
|
hres = IUnknown_QueryInterface(punk, riid, ppobj);
|
|
if (FAILED(hres)) {
|
|
*ppobj = NULL;
|
|
return hres;
|
|
}
|
|
IUnknown_Release(punk);
|
|
return hres;
|
|
}
|
|
|
|
static HRESULT WINAPI DSCF_LockServer(LPCLASSFACTORY iface,BOOL dolock) {
|
|
ICOM_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)
|
|
{
|
|
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";
|
|
}
|
|
}
|