mirror of
git://source.winehq.org/git/wine.git
synced 2024-09-01 10:33:37 +00:00
289 lines
8.2 KiB
C
289 lines
8.2 KiB
C
/*
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* Copyright 2010 Maarten Lankhorst for CodeWeavers
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* Copyright 2011 Andrew Eikum for CodeWeavers
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* Copyright 2022 Huw Davies
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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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#define COBJMACROS
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#include <stdarg.h>
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#include <wchar.h>
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#include "windef.h"
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#include "winbase.h"
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#include "winnls.h"
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#include "winreg.h"
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#include "winternl.h"
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#include "propsys.h"
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#include "propkey.h"
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#include "initguid.h"
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#include "ole2.h"
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#include "mmdeviceapi.h"
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#include "devpkey.h"
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#include "mmsystem.h"
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#include "dsound.h"
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#include "endpointvolume.h"
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#include "audioclient.h"
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#include "audiopolicy.h"
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#include "wine/debug.h"
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#include "wine/list.h"
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#include "wine/unixlib.h"
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#include "unixlib.h"
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#include "../mmdevapi/mmdevdrv.h"
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WINE_DEFAULT_DEBUG_CHANNEL(alsa);
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static WCHAR drv_key_devicesW[256];
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static const WCHAR guidW[] = {'g','u','i','d',0};
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BOOL WINAPI DllMain(HINSTANCE dll, DWORD reason, void *reserved)
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{
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switch (reason)
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{
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case DLL_PROCESS_ATTACH:
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{
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WCHAR buf[MAX_PATH];
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WCHAR *filename;
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if(__wine_init_unix_call()) return FALSE;
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GetModuleFileNameW(dll, buf, ARRAY_SIZE(buf));
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filename = wcsrchr(buf, '\\');
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filename = filename ? filename + 1 : buf;
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swprintf(drv_key_devicesW, ARRAY_SIZE(drv_key_devicesW),
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L"Software\\Wine\\Drivers\\%s\\devices", filename);
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break;
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}
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case DLL_PROCESS_DETACH:
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if (reserved) break;
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break;
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}
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return TRUE;
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}
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static void set_device_guid(EDataFlow flow, HKEY drv_key, const WCHAR *key_name,
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GUID *guid)
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{
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HKEY key;
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BOOL opened = FALSE;
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LONG lr;
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if(!drv_key){
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lr = RegCreateKeyExW(HKEY_CURRENT_USER, drv_key_devicesW, 0, NULL, 0, KEY_WRITE,
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NULL, &drv_key, NULL);
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if(lr != ERROR_SUCCESS){
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ERR("RegCreateKeyEx(drv_key) failed: %lu\n", lr);
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return;
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}
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opened = TRUE;
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}
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lr = RegCreateKeyExW(drv_key, key_name, 0, NULL, 0, KEY_WRITE,
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NULL, &key, NULL);
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if(lr != ERROR_SUCCESS){
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ERR("RegCreateKeyEx(%s) failed: %lu\n", wine_dbgstr_w(key_name), lr);
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goto exit;
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}
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lr = RegSetValueExW(key, guidW, 0, REG_BINARY, (BYTE*)guid,
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sizeof(GUID));
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if(lr != ERROR_SUCCESS)
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ERR("RegSetValueEx(%s\\guid) failed: %lu\n", wine_dbgstr_w(key_name), lr);
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RegCloseKey(key);
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exit:
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if(opened)
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RegCloseKey(drv_key);
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}
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static void get_device_guid(EDataFlow flow, const char *device, GUID *guid)
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{
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HKEY key = NULL, dev_key;
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DWORD type, size = sizeof(*guid);
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WCHAR key_name[256];
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if(flow == eCapture)
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key_name[0] = '1';
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else
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key_name[0] = '0';
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key_name[1] = ',';
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MultiByteToWideChar(CP_UNIXCP, 0, device, -1, key_name + 2, ARRAY_SIZE(key_name) - 2);
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if(RegOpenKeyExW(HKEY_CURRENT_USER, drv_key_devicesW, 0, KEY_WRITE|KEY_READ, &key) == ERROR_SUCCESS){
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if(RegOpenKeyExW(key, key_name, 0, KEY_READ, &dev_key) == ERROR_SUCCESS){
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if(RegQueryValueExW(dev_key, guidW, 0, &type,
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(BYTE*)guid, &size) == ERROR_SUCCESS){
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if(type == REG_BINARY){
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RegCloseKey(dev_key);
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RegCloseKey(key);
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return;
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}
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ERR("Invalid type for device %s GUID: %lu; ignoring and overwriting\n",
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wine_dbgstr_w(key_name), type);
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}
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RegCloseKey(dev_key);
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}
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}
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CoCreateGuid(guid);
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set_device_guid(flow, key, key_name, guid);
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if(key)
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RegCloseKey(key);
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}
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HRESULT WINAPI AUDDRV_GetEndpointIDs(EDataFlow flow, WCHAR ***ids_out, GUID **guids_out,
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UINT *num, UINT *def_index)
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{
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struct get_endpoint_ids_params params;
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unsigned int i;
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GUID *guids = NULL;
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WCHAR **ids = NULL;
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TRACE("%d %p %p %p %p\n", flow, ids, guids, num, def_index);
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params.flow = flow;
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params.size = 1000;
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params.endpoints = NULL;
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do{
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HeapFree(GetProcessHeap(), 0, params.endpoints);
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params.endpoints = HeapAlloc(GetProcessHeap(), 0, params.size);
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ALSA_CALL(get_endpoint_ids, ¶ms);
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}while(params.result == HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER));
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if(FAILED(params.result)) goto end;
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ids = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, params.num * sizeof(*ids));
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guids = HeapAlloc(GetProcessHeap(), 0, params.num * sizeof(*guids));
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if(!ids || !guids){
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params.result = E_OUTOFMEMORY;
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goto end;
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}
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for(i = 0; i < params.num; i++){
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WCHAR *name = (WCHAR *)((char *)params.endpoints + params.endpoints[i].name);
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char *device = (char *)params.endpoints + params.endpoints[i].device;
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unsigned int size = (wcslen(name) + 1) * sizeof(WCHAR);
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ids[i] = HeapAlloc(GetProcessHeap(), 0, size);
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if(!ids[i]){
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params.result = E_OUTOFMEMORY;
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goto end;
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}
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memcpy(ids[i], name, size);
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get_device_guid(flow, device, guids + i);
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}
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*def_index = params.default_idx;
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end:
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HeapFree(GetProcessHeap(), 0, params.endpoints);
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if(FAILED(params.result)){
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HeapFree(GetProcessHeap(), 0, guids);
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if(ids){
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for(i = 0; i < params.num; i++)
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HeapFree(GetProcessHeap(), 0, ids[i]);
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HeapFree(GetProcessHeap(), 0, ids);
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}
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}else{
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*ids_out = ids;
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*guids_out = guids;
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*num = params.num;
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}
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return params.result;
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}
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BOOL WINAPI get_device_name_from_guid(GUID *guid, char **name, EDataFlow *flow)
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{
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HKEY devices_key;
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UINT i = 0;
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WCHAR key_name[256];
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DWORD key_name_size;
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if(RegOpenKeyExW(HKEY_CURRENT_USER, drv_key_devicesW, 0, KEY_READ, &devices_key) != ERROR_SUCCESS){
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ERR("No devices found in registry?\n");
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return FALSE;
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}
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while(1){
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HKEY key;
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DWORD size, type;
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GUID reg_guid;
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key_name_size = ARRAY_SIZE(key_name);
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if(RegEnumKeyExW(devices_key, i++, key_name, &key_name_size, NULL,
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NULL, NULL, NULL) != ERROR_SUCCESS)
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break;
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if(RegOpenKeyExW(devices_key, key_name, 0, KEY_READ, &key) != ERROR_SUCCESS){
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WARN("Couldn't open key: %s\n", wine_dbgstr_w(key_name));
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continue;
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}
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size = sizeof(reg_guid);
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if(RegQueryValueExW(key, guidW, 0, &type,
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(BYTE*)®_guid, &size) == ERROR_SUCCESS){
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if(IsEqualGUID(®_guid, guid)){
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INT size;
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RegCloseKey(key);
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RegCloseKey(devices_key);
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TRACE("Found matching device key: %s\n", wine_dbgstr_w(key_name));
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if(key_name[0] == '0')
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*flow = eRender;
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else if(key_name[0] == '1')
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*flow = eCapture;
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else{
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ERR("Unknown device type: %c\n", key_name[0]);
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return FALSE;
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}
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if(!(size = WideCharToMultiByte(CP_UNIXCP, 0, key_name + 2, -1, NULL, 0, NULL, NULL)))
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return FALSE;
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if(!(*name = malloc(size)))
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return FALSE;
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if(!WideCharToMultiByte(CP_UNIXCP, 0, key_name + 2, -1, *name, size, NULL, NULL)){
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free(*name);
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return FALSE;
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}
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return TRUE;
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}
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}
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RegCloseKey(key);
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}
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RegCloseKey(devices_key);
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WARN("No matching device in registry for GUID %s\n", debugstr_guid(guid));
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return FALSE;
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}
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