Sweden-Number/dlls/quartz/main.c

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/* DirectShow Base Functions (QUARTZ.DLL)
*
* Copyright 2002 Lionel Ulmer
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/debug.h"
#include "quartz_private.h"
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#include "wine/unicode.h"
WINE_DEFAULT_DEBUG_CHANNEL(quartz);
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extern HRESULT WINAPI QUARTZ_DllGetClassObject(REFCLSID, REFIID, LPVOID *) DECLSPEC_HIDDEN;
extern HRESULT WINAPI QUARTZ_DllCanUnloadNow(void) DECLSPEC_HIDDEN;
extern BOOL WINAPI QUARTZ_DllMain(HINSTANCE, DWORD, LPVOID) DECLSPEC_HIDDEN;
static LONG server_locks = 0;
/* For the moment, do nothing here. */
BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
{
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return QUARTZ_DllMain( hInstDLL, fdwReason, lpv );
}
static HRESULT SeekingPassThru_create(IUnknown *pUnkOuter, LPVOID *ppObj)
{
return PosPassThru_Construct(pUnkOuter,ppObj); /* from strmbase */
}
/******************************************************************************
* DirectShow ClassFactory
*/
typedef struct {
IClassFactory IClassFactory_iface;
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LONG ref;
HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, LPVOID *ppObj);
} IClassFactoryImpl;
static inline IClassFactoryImpl *impl_from_IClassFactory(IClassFactory *iface)
{
return CONTAINING_RECORD(iface, IClassFactoryImpl, IClassFactory_iface);
}
struct object_creation_info
{
const CLSID *clsid;
HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, LPVOID *ppObj);
};
static const struct object_creation_info object_creation[] =
{
{ &CLSID_SeekingPassThru, SeekingPassThru_create },
{ &CLSID_FilterGraph, FilterGraph_create },
{ &CLSID_FilterGraphNoThread, FilterGraphNoThread_create },
{ &CLSID_FilterMapper, FilterMapper_create },
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{ &CLSID_FilterMapper2, FilterMapper2_create },
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{ &CLSID_AsyncReader, AsyncReader_create },
{ &CLSID_MemoryAllocator, StdMemAllocator_create },
{ &CLSID_AviSplitter, AVISplitter_create },
{ &CLSID_MPEG1Splitter, MPEGSplitter_create },
{ &CLSID_VideoRenderer, VideoRenderer_create },
{ &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 },
{ &CLSID_DSoundRender, DSoundRender_create },
{ &CLSID_AudioRender, DSoundRender_create },
{ &CLSID_AVIDec, AVIDec_create },
{ &CLSID_SystemClock, QUARTZ_CreateSystemClock },
{ &CLSID_ACMWrapper, ACMWrapper_create },
{ &CLSID_WAVEParser, WAVEParser_create }
};
static HRESULT WINAPI DSCF_QueryInterface(IClassFactory *iface, REFIID riid, void **ppobj)
{
if (IsEqualGUID(riid, &IID_IUnknown)
|| IsEqualGUID(riid, &IID_IClassFactory))
{
IClassFactory_AddRef(iface);
*ppobj = iface;
return S_OK;
}
*ppobj = NULL;
WARN("(%p)->(%s,%p), not found\n", iface, debugstr_guid(riid), ppobj);
return E_NOINTERFACE;
}
static ULONG WINAPI DSCF_AddRef(IClassFactory *iface)
{
IClassFactoryImpl *This = impl_from_IClassFactory(iface);
return InterlockedIncrement(&This->ref);
}
static ULONG WINAPI DSCF_Release(IClassFactory *iface)
{
IClassFactoryImpl *This = impl_from_IClassFactory(iface);
ULONG ref = InterlockedDecrement(&This->ref);
if (ref == 0)
CoTaskMemFree(This);
return ref;
}
static HRESULT WINAPI DSCF_CreateInstance(IClassFactory *iface, IUnknown *pOuter,
REFIID riid, void **ppobj)
{
IClassFactoryImpl *This = impl_from_IClassFactory(iface);
HRESULT hres;
LPUNKNOWN punk;
TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
*ppobj = NULL;
if(pOuter && !IsEqualGUID(&IID_IUnknown, riid))
return E_NOINTERFACE;
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(IClassFactory *iface, BOOL dolock)
{
IClassFactoryImpl *This = impl_from_IClassFactory(iface);
FIXME("(%p)->(%d),stub!\n",This,dolock);
if(dolock)
InterlockedIncrement(&server_locks);
else
InterlockedDecrement(&server_locks);
return S_OK;
}
static const 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
*/
HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
{
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))
{
for (i = 0; i < ARRAY_SIZE(object_creation); i++)
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{
if (IsEqualGUID(object_creation[i].clsid, rclsid))
{
IClassFactoryImpl *factory = CoTaskMemAlloc(sizeof(*factory));
if (factory == NULL) return E_OUTOFMEMORY;
factory->IClassFactory_iface.lpVtbl = &DSCF_Vtbl;
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factory->ref = 1;
factory->pfnCreateInstance = object_creation[i].pfnCreateInstance;
*ppv = &factory->IClassFactory_iface;
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return S_OK;
}
}
}
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return QUARTZ_DllGetClassObject( rclsid, riid, ppv );
}
/***********************************************************************
* DllCanUnloadNow (QUARTZ.@)
*/
HRESULT WINAPI DllCanUnloadNow(void)
{
if(server_locks == 0 && QUARTZ_DllCanUnloadNow() == S_OK)
return S_OK;
return S_FALSE;
}
#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 },
static const struct {
const GUID riid;
const char *name;
} InterfaceDesc[] =
{
#include "uuids.h"
{ { 0, 0, 0, {0, 0, 0, 0, 0, 0, 0, 0} }, NULL }
};
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/***********************************************************************
* proxies
*/
HRESULT CALLBACK ICaptureGraphBuilder_FindInterface_Proxy( ICaptureGraphBuilder *This,
const GUID *pCategory,
IBaseFilter *pf,
REFIID riid,
void **ppint )
{
return ICaptureGraphBuilder_RemoteFindInterface_Proxy( This, pCategory, pf,
riid, (IUnknown **)ppint );
}
HRESULT __RPC_STUB ICaptureGraphBuilder_FindInterface_Stub( ICaptureGraphBuilder *This,
const GUID *pCategory,
IBaseFilter *pf,
REFIID riid,
IUnknown **ppint )
{
return ICaptureGraphBuilder_FindInterface( This, pCategory, pf, riid, (void **)ppint );
}
HRESULT CALLBACK ICaptureGraphBuilder2_FindInterface_Proxy( ICaptureGraphBuilder2 *This,
const GUID *pCategory,
const GUID *pType,
IBaseFilter *pf,
REFIID riid,
void **ppint )
{
return ICaptureGraphBuilder2_RemoteFindInterface_Proxy( This, pCategory, pType,
pf, riid, (IUnknown **)ppint );
}
HRESULT __RPC_STUB ICaptureGraphBuilder2_FindInterface_Stub( ICaptureGraphBuilder2 *This,
const GUID *pCategory,
const GUID *pType,
IBaseFilter *pf,
REFIID riid,
IUnknown **ppint )
{
return ICaptureGraphBuilder2_FindInterface( This, pCategory, pType, pf, riid, (void **)ppint );
}
/***********************************************************************
* qzdebugstr_guid (internal)
*
* Gives a text version of DirectShow GUIDs
*/
const char * qzdebugstr_guid( const GUID * id )
{
int i;
for (i=0; InterfaceDesc[i].name; i++)
if (IsEqualGUID(&InterfaceDesc[i].riid, id)) return InterfaceDesc[i].name;
return debugstr_guid(id);
}
LONG WINAPI AmpFactorToDB(LONG ampfactor)
{
FIXME("(%d) Stub!\n", ampfactor);
return 0;
}
LONG WINAPI DBToAmpFactor(LONG db)
{
FIXME("(%d) Stub!\n", db);
/* Avoid divide by zero (probably during range computation) in Windows Media Player 6.4 */
if (db < -1000)
return 0;
return 100;
}
/***********************************************************************
* AMGetErrorTextA (QUARTZ.@)
*/
DWORD WINAPI AMGetErrorTextA(HRESULT hr, LPSTR buffer, DWORD maxlen)
{
DWORD res;
WCHAR errorW[MAX_ERROR_TEXT_LEN];
TRACE("(%x,%p,%d)\n", hr, buffer, maxlen);
if (!buffer)
return 0;
res = AMGetErrorTextW(hr, errorW, ARRAY_SIZE(errorW));
return WideCharToMultiByte(CP_ACP, 0, errorW, res, buffer, maxlen, 0, 0);
}
/***********************************************************************
* AMGetErrorTextW (QUARTZ.@)
*/
DWORD WINAPI AMGetErrorTextW(HRESULT hr, LPWSTR buffer, DWORD maxlen)
{
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unsigned int len;
static const WCHAR format[] = {'E','r','r','o','r',':',' ','0','x','%','l','x',0};
WCHAR error[MAX_ERROR_TEXT_LEN];
FIXME("(%x,%p,%d) stub\n", hr, buffer, maxlen);
if (!buffer) return 0;
wsprintfW(error, format, hr);
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if ((len = strlenW(error)) >= maxlen) return 0;
lstrcpyW(buffer, error);
return len;
}