330 lines
8.7 KiB
C
330 lines
8.7 KiB
C
/*
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* Copyright 2009 Maarten Lankhorst
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* Copyright 2011 Andrew Eikum for CodeWeavers
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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/port.h"
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#include <stdarg.h>
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#define COBJMACROS
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "wine/library.h"
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#include "ole2.h"
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#include "olectl.h"
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#include "rpcproxy.h"
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#include "propsys.h"
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#include "propkeydef.h"
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#include "mmdeviceapi.h"
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#include "mmsystem.h"
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#include "dsound.h"
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#include "audioclient.h"
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#include "endpointvolume.h"
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#include "audiopolicy.h"
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#include "devpkey.h"
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#include "winreg.h"
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#include "mmdevapi.h"
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#include "wine/debug.h"
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#include "wine/unicode.h"
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WINE_DEFAULT_DEBUG_CHANNEL(mmdevapi);
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static HINSTANCE instance;
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DriverFuncs drvs;
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const WCHAR drv_keyW[] = {'S','o','f','t','w','a','r','e','\\',
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'W','i','n','e','\\','D','r','i','v','e','r','s',0};
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static const char *get_priority_string(int prio)
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{
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switch(prio){
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case Priority_Unavailable:
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return "Unavailable";
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case Priority_Low:
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return "Low";
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case Priority_Neutral:
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return "Neutral";
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case Priority_Preferred:
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return "Preferred";
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}
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return "Invalid";
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}
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static BOOL load_driver(const WCHAR *name, DriverFuncs *driver)
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{
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WCHAR driver_module[264];
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static const WCHAR wineW[] = {'w','i','n','e',0};
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static const WCHAR dotdrvW[] = {'.','d','r','v',0};
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lstrcpyW(driver_module, wineW);
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lstrcatW(driver_module, name);
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lstrcatW(driver_module, dotdrvW);
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TRACE("Attempting to load %s\n", wine_dbgstr_w(driver_module));
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driver->module = LoadLibraryW(driver_module);
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if(!driver->module){
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TRACE("Unable to load %s: %u\n", wine_dbgstr_w(driver_module),
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GetLastError());
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return FALSE;
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}
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#define LDFC(n) do { driver->p##n = (void*)GetProcAddress(driver->module, #n);\
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if(!driver->p##n) { FreeLibrary(driver->module); return FALSE; } } while(0)
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LDFC(GetPriority);
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LDFC(GetEndpointIDs);
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LDFC(GetAudioEndpoint);
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LDFC(GetAudioSessionManager);
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#undef LDFC
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/* optional - do not fail if not found */
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driver->pGetPropValue = (void*)GetProcAddress(driver->module, "GetPropValue");
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driver->priority = driver->pGetPriority();
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lstrcpyW(driver->module_name, driver_module);
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TRACE("Successfully loaded %s with priority %s\n",
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wine_dbgstr_w(driver_module), get_priority_string(driver->priority));
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return TRUE;
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}
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static BOOL init_driver(void)
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{
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static const WCHAR drv_value[] = {'A','u','d','i','o',0};
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static WCHAR default_list[] = {'p','u','l','s','e',',','a','l','s','a',',','o','s','s',',',
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'c','o','r','e','a','u','d','i','o',0};
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DriverFuncs driver;
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HKEY key;
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WCHAR reg_list[256], *p, *next, *driver_list = default_list;
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if(drvs.module)
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return TRUE;
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if(RegOpenKeyW(HKEY_CURRENT_USER, drv_keyW, &key) == ERROR_SUCCESS){
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DWORD size = sizeof(reg_list);
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if(RegQueryValueExW(key, drv_value, 0, NULL, (BYTE*)reg_list,
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&size) == ERROR_SUCCESS){
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if(reg_list[0] == '\0'){
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TRACE("User explicitly chose no driver\n");
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RegCloseKey(key);
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return TRUE;
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}
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driver_list = reg_list;
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}
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RegCloseKey(key);
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}
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TRACE("Loading driver list %s\n", wine_dbgstr_w(driver_list));
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for(next = p = driver_list; next; p = next + 1){
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next = strchrW(p, ',');
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if(next)
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*next = '\0';
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driver.priority = Priority_Unavailable;
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if(load_driver(p, &driver)){
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if(driver.priority == Priority_Unavailable)
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FreeLibrary(driver.module);
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else if(!drvs.module || driver.priority > drvs.priority){
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TRACE("Selecting driver %s with priority %s\n",
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wine_dbgstr_w(p), get_priority_string(driver.priority));
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if(drvs.module)
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FreeLibrary(drvs.module);
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drvs = driver;
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}else
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FreeLibrary(driver.module);
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}else
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TRACE("Failed to load driver %s\n", wine_dbgstr_w(p));
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if(next)
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*next = ',';
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}
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return drvs.module != 0;
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}
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BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
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{
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TRACE("(0x%p, %d, %p)\n", hinstDLL, fdwReason, lpvReserved);
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switch (fdwReason)
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{
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case DLL_PROCESS_ATTACH:
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instance = hinstDLL;
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DisableThreadLibraryCalls(hinstDLL);
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break;
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case DLL_PROCESS_DETACH:
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if(lpvReserved)
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break;
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MMDevEnum_Free();
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break;
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}
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return TRUE;
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}
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HRESULT WINAPI DllCanUnloadNow(void)
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{
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return S_FALSE;
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}
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typedef HRESULT (*FnCreateInstance)(REFIID riid, LPVOID *ppobj);
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typedef struct {
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IClassFactory IClassFactory_iface;
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REFCLSID rclsid;
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FnCreateInstance pfnCreateInstance;
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} IClassFactoryImpl;
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static inline IClassFactoryImpl *impl_from_IClassFactory(IClassFactory *iface)
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{
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return CONTAINING_RECORD(iface, IClassFactoryImpl, IClassFactory_iface);
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}
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static HRESULT WINAPI
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MMCF_QueryInterface(IClassFactory *iface, REFIID riid, void **ppobj)
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{
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IClassFactoryImpl *This = impl_from_IClassFactory(iface);
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TRACE("(%p, %s, %p)\n", This, debugstr_guid(riid), ppobj);
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if (ppobj == NULL)
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return E_POINTER;
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if (IsEqualIID(riid, &IID_IUnknown) ||
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IsEqualIID(riid, &IID_IClassFactory))
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{
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*ppobj = iface;
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IClassFactory_AddRef(iface);
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return S_OK;
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}
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*ppobj = NULL;
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return E_NOINTERFACE;
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}
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static ULONG WINAPI MMCF_AddRef(LPCLASSFACTORY iface)
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{
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return 2;
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}
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static ULONG WINAPI MMCF_Release(LPCLASSFACTORY iface)
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{
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/* static class, won't be freed */
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return 1;
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}
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static HRESULT WINAPI MMCF_CreateInstance(
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LPCLASSFACTORY iface,
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LPUNKNOWN pOuter,
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REFIID riid,
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LPVOID *ppobj)
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{
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IClassFactoryImpl *This = impl_from_IClassFactory(iface);
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TRACE("(%p, %p, %s, %p)\n", This, pOuter, debugstr_guid(riid), ppobj);
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if (pOuter)
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return CLASS_E_NOAGGREGATION;
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if (ppobj == NULL) {
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WARN("invalid parameter\n");
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return E_POINTER;
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}
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*ppobj = NULL;
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return This->pfnCreateInstance(riid, ppobj);
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}
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static HRESULT WINAPI MMCF_LockServer(LPCLASSFACTORY iface, BOOL dolock)
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{
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IClassFactoryImpl *This = impl_from_IClassFactory(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 MMCF_Vtbl = {
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MMCF_QueryInterface,
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MMCF_AddRef,
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MMCF_Release,
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MMCF_CreateInstance,
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MMCF_LockServer
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};
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static IClassFactoryImpl MMDEVAPI_CF[] = {
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{ { &MMCF_Vtbl }, &CLSID_MMDeviceEnumerator, (FnCreateInstance)MMDevEnum_Create }
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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 = 0;
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TRACE("(%s, %s, %p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
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if(!init_driver()){
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ERR("Driver initialization failed\n");
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return E_FAIL;
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}
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if (ppv == NULL) {
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WARN("invalid parameter\n");
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return E_INVALIDARG;
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}
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*ppv = NULL;
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if (!IsEqualIID(riid, &IID_IClassFactory) &&
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!IsEqualIID(riid, &IID_IUnknown)) {
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WARN("no interface for %s\n", debugstr_guid(riid));
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return E_NOINTERFACE;
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}
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for (i = 0; i < sizeof(MMDEVAPI_CF)/sizeof(MMDEVAPI_CF[0]); ++i)
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{
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if (IsEqualGUID(rclsid, MMDEVAPI_CF[i].rclsid)) {
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IClassFactory_AddRef(&MMDEVAPI_CF[i].IClassFactory_iface);
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*ppv = &MMDEVAPI_CF[i];
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return S_OK;
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}
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i++;
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}
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WARN("(%s, %s, %p): no class found.\n", debugstr_guid(rclsid),
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debugstr_guid(riid), ppv);
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return CLASS_E_CLASSNOTAVAILABLE;
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}
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/***********************************************************************
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* DllRegisterServer (MMDEVAPI.@)
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*/
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HRESULT WINAPI DllRegisterServer(void)
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{
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return __wine_register_resources( instance );
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}
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/***********************************************************************
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* DllUnregisterServer (MMDEVAPI.@)
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*/
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HRESULT WINAPI DllUnregisterServer(void)
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{
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return __wine_unregister_resources( instance );
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}
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