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Sweden-Number/dlls/strmbase/dllfunc.c

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/*
* Strmbase DLL functions
*
* Copyright (C) 2005 Rolf Kalbermatter
* Copyright (C) 2010 Aric Stewart, CodeWeavers
*
* 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 <stdarg.h>
#include <assert.h>
#define COBJMACROS
#define NONAMELESSSTRUCT
#define NONAMELESSUNION
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winerror.h"
#include "winreg.h"
#include "objbase.h"
#include "uuids.h"
#include "strmif.h"
#include "wine/unicode.h"
#include "wine/debug.h"
#include "wine/strmbase.h"
WINE_DEFAULT_DEBUG_CHANNEL(strmbase);
extern const int g_cTemplates;
extern const FactoryTemplate g_Templates[];
static HINSTANCE g_hInst = NULL;
static LONG server_locks = 0;
/*
* defines and constants
*/
static const WCHAR clsid_keyname[] = {'C','L','S','I','D',0 };
static const WCHAR ips32_keyname[] = {'I','n','P','r','o','c','S','e','r','v','e','r','3','2',0};
static const WCHAR tmodel_keyname[] = {'T','h','r','e','a','d','i','n','g','M','o','d','e','l',0};
static const WCHAR tmodel_both[] = {'B','o','t','h',0};
/*
* SetupRegisterClass()
*/
static HRESULT SetupRegisterClass(HKEY clsid, LPCWSTR szCLSID,
LPCWSTR szDescription,
LPCWSTR szFileName,
LPCWSTR szServerType,
LPCWSTR szThreadingModel)
{
HKEY hkey, hsubkey = NULL;
LONG ret = RegCreateKeyW(clsid, szCLSID, &hkey);
if (ERROR_SUCCESS != ret)
return HRESULT_FROM_WIN32(ret);
/* set description string */
ret = RegSetValueW(hkey, NULL, REG_SZ, szDescription,
sizeof(WCHAR) * (lstrlenW(szDescription) + 1));
if (ERROR_SUCCESS != ret)
goto err_out;
/* create CLSID\\{"CLSID"}\\"ServerType" key, using key to CLSID\\{"CLSID"}
passed back by last call to RegCreateKeyW(). */
ret = RegCreateKeyW(hkey, szServerType, &hsubkey);
if (ERROR_SUCCESS != ret)
goto err_out;
/* set server path */
ret = RegSetValueW(hsubkey, NULL, REG_SZ, szFileName,
sizeof(WCHAR) * (lstrlenW(szFileName) + 1));
if (ERROR_SUCCESS != ret)
goto err_out;
/* set threading model */
ret = RegSetValueExW(hsubkey, tmodel_keyname, 0L, REG_SZ,
(const BYTE*)szThreadingModel,
sizeof(WCHAR) * (lstrlenW(szThreadingModel) + 1));
err_out:
if (hsubkey)
RegCloseKey(hsubkey);
RegCloseKey(hkey);
return HRESULT_FROM_WIN32(ret);
}
/*
* RegisterAllClasses()
*/
static HRESULT SetupRegisterAllClasses(const FactoryTemplate * pList, int num,
LPCWSTR szFileName, BOOL bRegister)
{
HRESULT hr = NOERROR;
HKEY hkey;
OLECHAR szCLSID[CHARS_IN_GUID];
LONG i, ret = RegCreateKeyW(HKEY_CLASSES_ROOT, clsid_keyname, &hkey);
if (ERROR_SUCCESS != ret)
return HRESULT_FROM_WIN32(ret);
for (i = 0; i < num; i++, pList++)
{
/* (un)register CLSID and InprocServer32 */
hr = StringFromGUID2(pList->m_ClsID, szCLSID, CHARS_IN_GUID);
if (SUCCEEDED(hr))
{
if (bRegister )
hr = SetupRegisterClass(hkey, szCLSID,
pList->m_Name, szFileName,
ips32_keyname, tmodel_both);
else
hr = RegDeleteTreeW(hkey, szCLSID);
}
}
RegCloseKey(hkey);
return hr;
}
HRESULT WINAPI AMovieSetupRegisterFilter2(const AMOVIESETUP_FILTER *pFilter, IFilterMapper2 *pIFM2, BOOL bRegister)
{
if (!pFilter)
return S_OK;
if (bRegister)
{
{
REGFILTER2 rf2;
rf2.dwVersion = 1;
rf2.dwMerit = pFilter->merit;
rf2.u.s1.cPins = pFilter->pins;
rf2.u.s1.rgPins = pFilter->pPin;
return IFilterMapper2_RegisterFilter(pIFM2, pFilter->clsid, pFilter->name, NULL, &CLSID_LegacyAmFilterCategory, NULL, &rf2);
}
}
else
return IFilterMapper2_UnregisterFilter(pIFM2, &CLSID_LegacyAmFilterCategory, NULL, pFilter->clsid);
}
HRESULT WINAPI AMovieDllRegisterServer2(BOOL bRegister)
{
HRESULT hr;
int i;
IFilterMapper2 *pIFM2 = NULL;
WCHAR szFileName[MAX_PATH];
if (!GetModuleFileNameW(g_hInst, szFileName, MAX_PATH))
{
ERR("Failed to get module file name for registration\n");
return E_FAIL;
}
if (bRegister)
hr = SetupRegisterAllClasses(g_Templates, g_cTemplates, szFileName, TRUE );
CoInitialize(NULL);
TRACE("Getting IFilterMapper2\r\n");
hr = CoCreateInstance(&CLSID_FilterMapper2, NULL, CLSCTX_INPROC_SERVER,
&IID_IFilterMapper2, (void **)&pIFM2);
for (i = 0; SUCCEEDED(hr) && i < g_cTemplates; i++)
hr = AMovieSetupRegisterFilter2(g_Templates[i].m_pAMovieSetup_Filter, pIFM2, bRegister);
/* release interface */
if (pIFM2)
IFilterMapper2_Release(pIFM2);
/* and clear up */
CoFreeUnusedLibraries();
CoUninitialize();
/* if unregistering, unregister all OLE servers */
if (SUCCEEDED(hr) && !bRegister)
hr = SetupRegisterAllClasses(g_Templates, g_cTemplates, szFileName, FALSE);
return hr;
}
/****************************************************************************
* SetupInitializeServers
*
* This function is table driven using the static members of the
* CFactoryTemplate class defined in the Dll.
*
* It calls the initialize function for any class in CFactoryTemplate with
* one defined.
*
****************************************************************************/
static void SetupInitializeServers(const FactoryTemplate * pList, int num,
BOOL bLoading)
{
int i;
for (i = 0; i < num; i++, pList++)
{
if (pList->m_lpfnInit)
pList->m_lpfnInit(bLoading, pList->m_ClsID);
}
}
BOOL WINAPI STRMBASE_DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
{
switch (fdwReason)
{
case DLL_PROCESS_ATTACH:
g_hInst = hInstDLL;
DisableThreadLibraryCalls(hInstDLL);
SetupInitializeServers(g_Templates, g_cTemplates, TRUE);
break;
case DLL_PROCESS_DETACH:
SetupInitializeServers(g_Templates, g_cTemplates, FALSE);
break;
}
return TRUE;
}
/******************************************************************************
* DLL ClassFactory
*/
typedef struct {
IClassFactory IClassFactory_iface;
LONG ref;
LPFNNewCOMObject pfnCreateInstance;
} IClassFactoryImpl;
static inline IClassFactoryImpl *impl_from_IClassFactory(IClassFactory *iface)
{
return CONTAINING_RECORD(iface, IClassFactoryImpl, IClassFactory_iface);
}
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)
HeapFree(GetProcessHeap(), 0, This);
return ref;
}
static HRESULT WINAPI DSCF_CreateInstance(IClassFactory *iface, IUnknown *pOuter,
REFIID riid, void **ppobj)
{
IClassFactoryImpl *This = impl_from_IClassFactory(iface);
HRESULT hres = ERROR_SUCCESS;
LPUNKNOWN punk;
TRACE("(%p)->(%p,%s,%p)\n", This, pOuter, debugstr_guid(riid), ppobj);
if (!ppobj)
return E_POINTER;
/* Enforce the normal OLE rules regarding interfaces and delegation */
if (pOuter && !IsEqualGUID(riid, &IID_IUnknown))
return E_NOINTERFACE;
*ppobj = NULL;
punk = This->pfnCreateInstance(pOuter, &hres);
if (!punk)
{
/* No object created, update error if it isn't done already and return */
if (SUCCEEDED(hres))
hres = E_OUTOFMEMORY;
return hres;
}
if (SUCCEEDED(hres))
{
hres = IUnknown_QueryInterface(punk, riid, ppobj);
}
/* Releasing the object. If everything was successful, QueryInterface
should have incremented the refcount once more, otherwise this will
purge the object. */
IUnknown_Release(punk);
return hres;
}
static HRESULT WINAPI DSCF_LockServer(IClassFactory *iface, BOOL dolock)
{
IClassFactoryImpl *This = impl_from_IClassFactory(iface);
TRACE("(%p)->(%d)\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
*/
HRESULT WINAPI STRMBASE_DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
{
const FactoryTemplate *pList = g_Templates;
IClassFactoryImpl *factory;
int i;
TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
if (!ppv)
return E_POINTER;
*ppv = NULL;
if (!IsEqualGUID(&IID_IClassFactory, riid) &&
!IsEqualGUID(&IID_IUnknown, riid))
return E_NOINTERFACE;
for (i = 0; i < g_cTemplates; i++, pList++)
{
if (IsEqualGUID(pList->m_ClsID, rclsid))
break;
}
if (i == g_cTemplates)
{
char dllname[MAX_PATH];
if (!GetModuleFileNameA(g_hInst, dllname, sizeof(dllname)))
strcpy(dllname, "???");
ERR("%s: no class found in %s.\n", debugstr_guid(rclsid), dllname);
return CLASS_E_CLASSNOTAVAILABLE;
}
else if (!pList->m_lpfnNew)
{
FIXME("%s: class not implemented yet.\n", debugstr_guid(rclsid));
return CLASS_E_CLASSNOTAVAILABLE;
}
factory = HeapAlloc(GetProcessHeap(), 0, sizeof(IClassFactoryImpl));
if (!factory)
return E_OUTOFMEMORY;
factory->IClassFactory_iface.lpVtbl = &DSCF_Vtbl;
factory->ref = 1;
factory->pfnCreateInstance = pList->m_lpfnNew;
*ppv = &factory->IClassFactory_iface;
return S_OK;
}
/***********************************************************************
* DllCanUnloadNow
*/
HRESULT WINAPI STRMBASE_DllCanUnloadNow(void)
{
TRACE("\n");
if (server_locks == 0)
return S_OK;
return S_FALSE;
}
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