reactos/dll/win32/mmdevapi/devenum.c

   1 /*
   2  * Copyright 2009 Maarten Lankhorst
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include "config.h"
  20
  21 #include <stdarg.h>
  22
  23 #define NONAMELESSUNION
  24 #define COBJMACROS
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "winnls.h"
  28 #include "winreg.h"
  29 #include "wine/debug.h"
  30 #include "wine/list.h"
  31 #include "wine/unicode.h"
  32
  33 #include "initguid.h"
  34 #include "ole2.h"
  35 #include "mmdeviceapi.h"
  36 #include "dshow.h"
  37 #include "dsound.h"
  38 #include "audioclient.h"
  39 #include "endpointvolume.h"
  40 #include "audiopolicy.h"
  41
  42 #include "mmdevapi.h"
  43 #include "devpkey.h"
  44
  45 WINE_DEFAULT_DEBUG_CHANNEL(mmdevapi);
  46
  47 static const WCHAR software_mmdevapi[] =
  48     { 'S','o','f','t','w','a','r','e','\\',
  49       'M','i','c','r','o','s','o','f','t','\\',
  50       'W','i','n','d','o','w','s','\\',
  51       'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
  52       'M','M','D','e','v','i','c','e','s','\\',
  53       'A','u','d','i','o',0};
  54 static const WCHAR reg_render[] =
  55     { 'R','e','n','d','e','r',0 };
  56 static const WCHAR reg_capture[] =
  57     { 'C','a','p','t','u','r','e',0 };
  58 static const WCHAR reg_devicestate[] =
  59     { 'D','e','v','i','c','e','S','t','a','t','e',0 };
  60 static const WCHAR reg_properties[] =
  61     { 'P','r','o','p','e','r','t','i','e','s',0 };
  62 static const WCHAR slashW[] = {'\\',0};
  63 static const WCHAR reg_out_nameW[] = {'D','e','f','a','u','l','t','O','u','t','p','u','t',0};
  64 static const WCHAR reg_vout_nameW[] = {'D','e','f','a','u','l','t','V','o','i','c','e','O','u','t','p','u','t',0};
  65 static const WCHAR reg_in_nameW[] = {'D','e','f','a','u','l','t','I','n','p','u','t',0};
  66 static const WCHAR reg_vin_nameW[] = {'D','e','f','a','u','l','t','V','o','i','c','e','I','n','p','u','t',0};
  67
  68 static HKEY key_render;
  69 static HKEY key_capture;
  70
  71 typedef struct MMDevPropStoreImpl
  72 {
  73     IPropertyStore IPropertyStore_iface;
  74     LONG ref;
  75     MMDevice *parent;
  76     DWORD access;
  77 } MMDevPropStore;
  78
  79 typedef struct MMDevEnumImpl
  80 {
  81     IMMDeviceEnumerator IMMDeviceEnumerator_iface;
  82     LONG ref;
  83 } MMDevEnumImpl;
  84
  85 static MMDevEnumImpl *MMDevEnumerator;
  86 static MMDevice **MMDevice_head;
  87 static MMDevice *MMDevice_def_rec, *MMDevice_def_play;
  88 static DWORD MMDevice_count;
  89 static const IMMDeviceEnumeratorVtbl MMDevEnumVtbl;
  90 static const IMMDeviceCollectionVtbl MMDevColVtbl;
  91 static const IMMDeviceVtbl MMDeviceVtbl;
  92 static const IPropertyStoreVtbl MMDevPropVtbl;
  93 static const IMMEndpointVtbl MMEndpointVtbl;
  94
  95 static IMMDevice info_device;
  96
  97 typedef struct MMDevColImpl
  98 {
  99     IMMDeviceCollection IMMDeviceCollection_iface;
 100     LONG ref;
 101     EDataFlow flow;
 102     DWORD state;
 103 } MMDevColImpl;
 104
 105 typedef struct IPropertyBagImpl {
 106     IPropertyBag IPropertyBag_iface;
 107     GUID devguid;
 108 } IPropertyBagImpl;
 109
 110 static const IPropertyBagVtbl PB_Vtbl;
 111
 112 static HRESULT MMDevPropStore_Create(MMDevice *This, DWORD access, IPropertyStore **ppv);
 113
 114 static inline MMDevPropStore *impl_from_IPropertyStore(IPropertyStore *iface)
 115 {
 116     return CONTAINING_RECORD(iface, MMDevPropStore, IPropertyStore_iface);
 117 }
 118
 119 static inline MMDevEnumImpl *impl_from_IMMDeviceEnumerator(IMMDeviceEnumerator *iface)
 120 {
 121     return CONTAINING_RECORD(iface, MMDevEnumImpl, IMMDeviceEnumerator_iface);
 122 }
 123
 124 static inline MMDevColImpl *impl_from_IMMDeviceCollection(IMMDeviceCollection *iface)
 125 {
 126     return CONTAINING_RECORD(iface, MMDevColImpl, IMMDeviceCollection_iface);
 127 }
 128
 129 static inline IPropertyBagImpl *impl_from_IPropertyBag(IPropertyBag *iface)
 130 {
 131     return CONTAINING_RECORD(iface, IPropertyBagImpl, IPropertyBag_iface);
 132 }
 133
 134 static const WCHAR propkey_formatW[] = {
 135     '{','%','0','8','X','-','%','0','4','X','-',
 136     '%','0','4','X','-','%','0','2','X','%','0','2','X','-',
 137     '%','0','2','X','%','0','2','X','%','0','2','X','%','0','2','X',
 138     '%','0','2','X','%','0','2','X','}',',','%','d',0 };
 139
 140 static HRESULT MMDevPropStore_OpenPropKey(const GUID *guid, DWORD flow, HKEY *propkey)
 141 {
 142     WCHAR buffer[39];
 143     LONG ret;
 144     HKEY key;
 145     StringFromGUID2(guid, buffer, 39);
 146     if ((ret = RegOpenKeyExW(flow == eRender ? key_render : key_capture, buffer, 0, KEY_READ|KEY_WRITE, &key)) != ERROR_SUCCESS)
 147     {
 148         WARN("Opening key %s failed with %u\n", debugstr_w(buffer), ret);
 149         return E_FAIL;
 150     }
 151     ret = RegOpenKeyExW(key, reg_properties, 0, KEY_READ|KEY_WRITE, propkey);
 152     RegCloseKey(key);
 153     if (ret != ERROR_SUCCESS)
 154     {
 155         WARN("Opening key %s failed with %u\n", debugstr_w(reg_properties), ret);
 156         return E_FAIL;
 157     }
 158     return S_OK;
 159 }
 160
 161 static HRESULT MMDevice_GetPropValue(const GUID *devguid, DWORD flow, REFPROPERTYKEY key, PROPVARIANT *pv)
 162 {
 163     WCHAR buffer[80];
 164     const GUID *id = &key->fmtid;
 165     DWORD type, size;
 166     HRESULT hr = S_OK;
 167     HKEY regkey;
 168     LONG ret;
 169
 170     hr = MMDevPropStore_OpenPropKey(devguid, flow, &regkey);
 171     if (FAILED(hr))
 172         return hr;
 173     wsprintfW( buffer, propkey_formatW, id->Data1, id->Data2, id->Data3,
 174                id->Data4[0], id->Data4[1], id->Data4[2], id->Data4[3],
 175                id->Data4[4], id->Data4[5], id->Data4[6], id->Data4[7], key->pid );
 176     ret = RegGetValueW(regkey, NULL, buffer, RRF_RT_ANY, &type, NULL, &size);
 177     if (ret != ERROR_SUCCESS)
 178     {
 179         WARN("Reading %s returned %d\n", debugstr_w(buffer), ret);
 180         RegCloseKey(regkey);
 181         PropVariantClear(pv);
 182         return S_OK;
 183     }
 184
 185     switch (type)
 186     {
 187         case REG_SZ:
 188         {
 189             pv->vt = VT_LPWSTR;
 190             pv->u.pwszVal = CoTaskMemAlloc(size);
 191             if (!pv->u.pwszVal)
 192                 hr = E_OUTOFMEMORY;
 193             else
 194                 RegGetValueW(regkey, NULL, buffer, RRF_RT_REG_SZ, NULL, (BYTE*)pv->u.pwszVal, &size);
 195             break;
 196         }
 197         case REG_DWORD:
 198         {
 199             pv->vt = VT_UI4;
 200             RegGetValueW(regkey, NULL, buffer, RRF_RT_REG_DWORD, NULL, (BYTE*)&pv->u.ulVal, &size);
 201             break;
 202         }
 203         case REG_BINARY:
 204         {
 205             pv->vt = VT_BLOB;
 206             pv->u.blob.cbSize = size;
 207             pv->u.blob.pBlobData = CoTaskMemAlloc(size);
 208             if (!pv->u.blob.pBlobData)
 209                 hr = E_OUTOFMEMORY;
 210             else
 211                 RegGetValueW(regkey, NULL, buffer, RRF_RT_REG_BINARY, NULL, (BYTE*)pv->u.blob.pBlobData, &size);
 212             break;
 213         }
 214         default:
 215             ERR("Unknown/unhandled type: %u\n", type);
 216             PropVariantClear(pv);
 217             break;
 218     }
 219     RegCloseKey(regkey);
 220     return hr;
 221 }
 222
 223 static HRESULT MMDevice_SetPropValue(const GUID *devguid, DWORD flow, REFPROPERTYKEY key, REFPROPVARIANT pv)
 224 {
 225     WCHAR buffer[80];
 226     const GUID *id = &key->fmtid;
 227     HRESULT hr;
 228     HKEY regkey;
 229     LONG ret;
 230
 231     hr = MMDevPropStore_OpenPropKey(devguid, flow, &regkey);
 232     if (FAILED(hr))
 233         return hr;
 234     wsprintfW( buffer, propkey_formatW, id->Data1, id->Data2, id->Data3,
 235                id->Data4[0], id->Data4[1], id->Data4[2], id->Data4[3],
 236                id->Data4[4], id->Data4[5], id->Data4[6], id->Data4[7], key->pid );
 237     switch (pv->vt)
 238     {
 239         case VT_UI4:
 240         {
 241             ret = RegSetValueExW(regkey, buffer, 0, REG_DWORD, (const BYTE*)&pv->u.ulVal, sizeof(DWORD));
 242             break;
 243         }
 244         case VT_BLOB:
 245         {
 246             ret = RegSetValueExW(regkey, buffer, 0, REG_BINARY, pv->u.blob.pBlobData, pv->u.blob.cbSize);
 247             TRACE("Blob %p %u\n", pv->u.blob.pBlobData, pv->u.blob.cbSize);
 248
 249             break;
 250         }
 251         case VT_LPWSTR:
 252         {
 253             ret = RegSetValueExW(regkey, buffer, 0, REG_SZ, (const BYTE*)pv->u.pwszVal, sizeof(WCHAR)*(1+lstrlenW(pv->u.pwszVal)));
 254             break;
 255         }
 256         default:
 257             ret = 0;
 258             FIXME("Unhandled type %u\n", pv->vt);
 259             hr = E_INVALIDARG;
 260             break;
 261     }
 262     RegCloseKey(regkey);
 263     TRACE("Writing %s returned %u\n", debugstr_w(buffer), ret);
 264     return hr;
 265 }
 266
 267 /* Creates or updates the state of a device
 268  * If GUID is null, a random guid will be assigned
 269  * and the device will be created
 270  */
 271 static MMDevice *MMDevice_Create(WCHAR *name, GUID *id, EDataFlow flow, DWORD state, BOOL setdefault)
 272 {
 273     HKEY key, root;
 274     MMDevice *cur = NULL;
 275     WCHAR guidstr[39];
 276     DWORD i;
 277
 278     static const PROPERTYKEY deviceinterface_key = {
 279         {0x233164c8, 0x1b2c, 0x4c7d, {0xbc, 0x68, 0xb6, 0x71, 0x68, 0x7a, 0x25, 0x67}}, 1
 280     };
 281
 282     for (i = 0; i < MMDevice_count; ++i)
 283     {
 284         MMDevice *device = MMDevice_head[i];
 285         if (device->flow == flow && IsEqualGUID(&device->devguid, id)){
 286             cur = device;
 287             break;
 288         }
 289     }
 290
 291     if(!cur){
 292         /* No device found, allocate new one */
 293         cur = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*cur));
 294         if (!cur)
 295             return NULL;
 296
 297         cur->IMMDevice_iface.lpVtbl = &MMDeviceVtbl;
 298         cur->IMMEndpoint_iface.lpVtbl = &MMEndpointVtbl;
 299
 300         InitializeCriticalSection(&cur->crst);
 301         cur->crst.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": MMDevice.crst");
 302
 303         if (!MMDevice_head)
 304             MMDevice_head = HeapAlloc(GetProcessHeap(), 0, sizeof(*MMDevice_head));
 305         else
 306             MMDevice_head = HeapReAlloc(GetProcessHeap(), 0, MMDevice_head, sizeof(*MMDevice_head)*(1+MMDevice_count));
 307         MMDevice_head[MMDevice_count++] = cur;
 308     }else if(cur->ref > 0)
 309         WARN("Modifying an MMDevice with postitive reference count!\n");
 310
 311     HeapFree(GetProcessHeap(), 0, cur->drv_id);
 312     cur->drv_id = name;
 313
 314     cur->flow = flow;
 315     cur->state = state;
 316     cur->devguid = *id;
 317
 318     StringFromGUID2(&cur->devguid, guidstr, sizeof(guidstr)/sizeof(*guidstr));
 319
 320     if (flow == eRender)
 321         root = key_render;
 322     else
 323         root = key_capture;
 324
 325     if (RegCreateKeyExW(root, guidstr, 0, NULL, 0, KEY_WRITE|KEY_READ, NULL, &key, NULL) == ERROR_SUCCESS)
 326     {
 327         HKEY keyprop;
 328         RegSetValueExW(key, reg_devicestate, 0, REG_DWORD, (const BYTE*)&state, sizeof(DWORD));
 329         if (!RegCreateKeyExW(key, reg_properties, 0, NULL, 0, KEY_WRITE|KEY_READ, NULL, &keyprop, NULL))
 330         {
 331             PROPVARIANT pv;
 332
 333             pv.vt = VT_LPWSTR;
 334             pv.u.pwszVal = name;
 335             MMDevice_SetPropValue(id, flow, (const PROPERTYKEY*)&DEVPKEY_Device_FriendlyName, &pv);
 336             MMDevice_SetPropValue(id, flow, (const PROPERTYKEY*)&DEVPKEY_Device_DeviceDesc, &pv);
 337
 338             pv.u.pwszVal = guidstr;
 339             MMDevice_SetPropValue(id, flow, &deviceinterface_key, &pv);
 340
 341             RegCloseKey(keyprop);
 342         }
 343         RegCloseKey(key);
 344     }
 345
 346     if (setdefault)
 347     {
 348         if (flow == eRender)
 349             MMDevice_def_play = cur;
 350         else
 351             MMDevice_def_rec = cur;
 352     }
 353     return cur;
 354 }
 355
 356 static HRESULT load_devices_from_reg(void)
 357 {
 358     DWORD i = 0;
 359     HKEY root, cur;
 360     LONG ret;
 361     DWORD curflow;
 362
 363     ret = RegCreateKeyExW(HKEY_LOCAL_MACHINE, software_mmdevapi, 0, NULL, 0, KEY_WRITE|KEY_READ, NULL, &root, NULL);
 364     if (ret == ERROR_SUCCESS)
 365         ret = RegCreateKeyExW(root, reg_capture, 0, NULL, 0, KEY_READ|KEY_WRITE, NULL, &key_capture, NULL);
 366     if (ret == ERROR_SUCCESS)
 367         ret = RegCreateKeyExW(root, reg_render, 0, NULL, 0, KEY_READ|KEY_WRITE, NULL, &key_render, NULL);
 368     RegCloseKey(root);
 369     cur = key_capture;
 370     curflow = eCapture;
 371     if (ret != ERROR_SUCCESS)
 372     {
 373         RegCloseKey(key_capture);
 374         key_render = key_capture = NULL;
 375         WARN("Couldn't create key: %u\n", ret);
 376         return E_FAIL;
 377     }
 378
 379     do {
 380         WCHAR guidvalue[39];
 381         GUID guid;
 382         DWORD len;
 383         PROPVARIANT pv = { VT_EMPTY };
 384
 385         len = sizeof(guidvalue)/sizeof(guidvalue[0]);
 386         ret = RegEnumKeyExW(cur, i++, guidvalue, &len, NULL, NULL, NULL, NULL);
 387         if (ret == ERROR_NO_MORE_ITEMS)
 388         {
 389             if (cur == key_capture)
 390             {
 391                 cur = key_render;
 392                 curflow = eRender;
 393                 i = 0;
 394                 continue;
 395             }
 396             break;
 397         }
 398         if (ret != ERROR_SUCCESS)
 399             continue;
 400         if (SUCCEEDED(CLSIDFromString(guidvalue, &guid))
 401             && SUCCEEDED(MMDevice_GetPropValue(&guid, curflow, (const PROPERTYKEY*)&DEVPKEY_Device_FriendlyName, &pv))
 402             && pv.vt == VT_LPWSTR)
 403         {
 404             DWORD size_bytes = (strlenW(pv.u.pwszVal) + 1) * sizeof(WCHAR);
 405             WCHAR *name = HeapAlloc(GetProcessHeap(), 0, size_bytes);
 406             memcpy(name, pv.u.pwszVal, size_bytes);
 407             MMDevice_Create(name, &guid, curflow,
 408                     DEVICE_STATE_NOTPRESENT, FALSE);
 409             CoTaskMemFree(pv.u.pwszVal);
 410         }
 411     } while (1);
 412
 413     return S_OK;
 414 }
 415
 416 static HRESULT set_format(MMDevice *dev)
 417 {
 418     HRESULT hr;
 419     IAudioClient *client;
 420     WAVEFORMATEX *fmt;
 421     PROPVARIANT pv = { VT_EMPTY };
 422
 423     hr = drvs.pGetAudioEndpoint(&dev->devguid, &dev->IMMDevice_iface, &client);
 424     if(FAILED(hr))
 425         return hr;
 426
 427     hr = IAudioClient_GetMixFormat(client, &fmt);
 428     if(FAILED(hr)){
 429         IAudioClient_Release(client);
 430         return hr;
 431     }
 432
 433     IAudioClient_Release(client);
 434
 435     pv.vt = VT_BLOB;
 436     pv.u.blob.cbSize = sizeof(WAVEFORMATEX) + fmt->cbSize;
 437     pv.u.blob.pBlobData = (BYTE*)fmt;
 438     MMDevice_SetPropValue(&dev->devguid, dev->flow,
 439             &PKEY_AudioEngine_DeviceFormat, &pv);
 440     MMDevice_SetPropValue(&dev->devguid, dev->flow,
 441             &PKEY_AudioEngine_OEMFormat, &pv);
 442
 443     return S_OK;
 444 }
 445
 446 static HRESULT load_driver_devices(EDataFlow flow)
 447 {
 448     WCHAR **ids;
 449     GUID *guids;
 450     UINT num, def, i;
 451     HRESULT hr;
 452
 453     if(!drvs.pGetEndpointIDs)
 454         return S_OK;
 455
 456     hr = drvs.pGetEndpointIDs(flow, &ids, &guids, &num, &def);
 457     if(FAILED(hr))
 458         return hr;
 459
 460     for(i = 0; i < num; ++i){
 461         MMDevice *dev;
 462         dev = MMDevice_Create(ids[i], &guids[i], flow, DEVICE_STATE_ACTIVE,
 463                 def == i);
 464         set_format(dev);
 465     }
 466
 467     HeapFree(GetProcessHeap(), 0, guids);
 468     HeapFree(GetProcessHeap(), 0, ids);
 469
 470     return S_OK;
 471 }
 472
 473 static void MMDevice_Destroy(MMDevice *This)
 474 {
 475     DWORD i;
 476     TRACE("Freeing %s\n", debugstr_w(This->drv_id));
 477     /* Since this function is called at destruction time, reordering of the list is unimportant */
 478     for (i = 0; i < MMDevice_count; ++i)
 479     {
 480         if (MMDevice_head[i] == This)
 481         {
 482             MMDevice_head[i] = MMDevice_head[--MMDevice_count];
 483             break;
 484         }
 485     }
 486     This->crst.DebugInfo->Spare[0] = 0;
 487     DeleteCriticalSection(&This->crst);
 488     HeapFree(GetProcessHeap(), 0, This->drv_id);
 489     HeapFree(GetProcessHeap(), 0, This);
 490 }
 491
 492 static inline MMDevice *impl_from_IMMDevice(IMMDevice *iface)
 493 {
 494     return CONTAINING_RECORD(iface, MMDevice, IMMDevice_iface);
 495 }
 496
 497 static HRESULT WINAPI MMDevice_QueryInterface(IMMDevice *iface, REFIID riid, void **ppv)
 498 {
 499     MMDevice *This = impl_from_IMMDevice(iface);
 500     TRACE("(%p)->(%s,%p)\n", iface, debugstr_guid(riid), ppv);
 501
 502     if (!ppv)
 503         return E_POINTER;
 504     *ppv = NULL;
 505     if (IsEqualIID(riid, &IID_IUnknown)
 506         || IsEqualIID(riid, &IID_IMMDevice))
 507         *ppv = This;
 508     else if (IsEqualIID(riid, &IID_IMMEndpoint))
 509         *ppv = &This->IMMEndpoint_iface;
 510     if (*ppv)
 511     {
 512         IUnknown_AddRef((IUnknown*)*ppv);
 513         return S_OK;
 514     }
 515     WARN("Unknown interface %s\n", debugstr_guid(riid));
 516     return E_NOINTERFACE;
 517 }
 518
 519 static ULONG WINAPI MMDevice_AddRef(IMMDevice *iface)
 520 {
 521     MMDevice *This = impl_from_IMMDevice(iface);
 522     LONG ref;
 523
 524     ref = InterlockedIncrement(&This->ref);
 525     TRACE("Refcount now %i\n", ref);
 526     return ref;
 527 }
 528
 529 static ULONG WINAPI MMDevice_Release(IMMDevice *iface)
 530 {
 531     MMDevice *This = impl_from_IMMDevice(iface);
 532     LONG ref;
 533
 534     ref = InterlockedDecrement(&This->ref);
 535     TRACE("Refcount now %i\n", ref);
 536     return ref;
 537 }
 538
 539 static HRESULT WINAPI MMDevice_Activate(IMMDevice *iface, REFIID riid, DWORD clsctx, PROPVARIANT *params, void **ppv)
 540 {
 541     HRESULT hr = E_NOINTERFACE;
 542     MMDevice *This = impl_from_IMMDevice(iface);
 543
 544     TRACE("(%p)->(%p,%x,%p,%p)\n", iface, riid, clsctx, params, ppv);
 545
 546     if (!ppv)
 547         return E_POINTER;
 548
 549     if (IsEqualIID(riid, &IID_IAudioClient)){
 550         hr = drvs.pGetAudioEndpoint(&This->devguid, iface, (IAudioClient**)ppv);
 551     }else if (IsEqualIID(riid, &IID_IAudioEndpointVolume))
 552         hr = AudioEndpointVolume_Create(This, (IAudioEndpointVolume**)ppv);
 553     else if (IsEqualIID(riid, &IID_IAudioSessionManager)
 554              || IsEqualIID(riid, &IID_IAudioSessionManager2))
 555     {
 556         hr = drvs.pGetAudioSessionManager(iface, (IAudioSessionManager2**)ppv);
 557     }
 558     else if (IsEqualIID(riid, &IID_IBaseFilter))
 559     {
 560         if (This->flow == eRender)
 561             hr = CoCreateInstance(&CLSID_DSoundRender, NULL, clsctx, riid, ppv);
 562         else
 563             ERR("Not supported for recording?\n");
 564         if (SUCCEEDED(hr))
 565         {
 566             IPersistPropertyBag *ppb;
 567             hr = IUnknown_QueryInterface((IUnknown*)*ppv, &IID_IPersistPropertyBag, (void*)&ppb);
 568             if (SUCCEEDED(hr))
 569             {
 570                 /* ::Load cannot assume the interface stays alive after the function returns,
 571                  * so just create the interface on the stack, saves a lot of complicated code */
 572                 IPropertyBagImpl bag = { { &PB_Vtbl } };
 573                 bag.devguid = This->devguid;
 574                 hr = IPersistPropertyBag_Load(ppb, &bag.IPropertyBag_iface, NULL);
 575                 IPersistPropertyBag_Release(ppb);
 576                 if (FAILED(hr))
 577                     IBaseFilter_Release((IBaseFilter*)*ppv);
 578             }
 579             else
 580             {
 581                 FIXME("Wine doesn't support IPersistPropertyBag on DSoundRender yet, ignoring..\n");
 582                 hr = S_OK;
 583             }
 584         }
 585     }
 586     else if (IsEqualIID(riid, &IID_IDeviceTopology))
 587     {
 588         FIXME("IID_IDeviceTopology unsupported\n");
 589     }
 590     else if (IsEqualIID(riid, &IID_IDirectSound)
 591              || IsEqualIID(riid, &IID_IDirectSound8))
 592     {
 593         if (This->flow == eRender)
 594             hr = CoCreateInstance(&CLSID_DirectSound8, NULL, clsctx, riid, ppv);
 595         if (SUCCEEDED(hr))
 596         {
 597             hr = IDirectSound_Initialize((IDirectSound*)*ppv, &This->devguid);
 598             if (FAILED(hr))
 599                 IDirectSound_Release((IDirectSound*)*ppv);
 600         }
 601     }
 602     else if (IsEqualIID(riid, &IID_IDirectSoundCapture)
 603              || IsEqualIID(riid, &IID_IDirectSoundCapture8))
 604     {
 605         if (This->flow == eCapture)
 606             hr = CoCreateInstance(&CLSID_DirectSoundCapture8, NULL, clsctx, riid, ppv);
 607         if (SUCCEEDED(hr))
 608         {
 609             hr = IDirectSoundCapture_Initialize((IDirectSoundCapture*)*ppv, &This->devguid);
 610             if (FAILED(hr))
 611                 IDirectSoundCapture_Release((IDirectSoundCapture*)*ppv);
 612         }
 613     }
 614     else
 615         ERR("Invalid/unknown iid %s\n", debugstr_guid(riid));
 616
 617     if (FAILED(hr))
 618         *ppv = NULL;
 619
 620     TRACE("Returning %08x\n", hr);
 621     return hr;
 622 }
 623
 624 static HRESULT WINAPI MMDevice_OpenPropertyStore(IMMDevice *iface, DWORD access, IPropertyStore **ppv)
 625 {
 626     MMDevice *This = impl_from_IMMDevice(iface);
 627     TRACE("(%p)->(%x,%p)\n", This, access, ppv);
 628
 629     if (!ppv)
 630         return E_POINTER;
 631     return MMDevPropStore_Create(This, access, ppv);
 632 }
 633
 634 static HRESULT WINAPI MMDevice_GetId(IMMDevice *iface, WCHAR **itemid)
 635 {
 636     MMDevice *This = impl_from_IMMDevice(iface);
 637     WCHAR *str;
 638     GUID *id = &This->devguid;
 639     static const WCHAR formatW[] = { '{','0','.','0','.','%','u','.','0','0','0','0','0','0','0','0','}','.',
 640                                      '{','%','0','8','X','-','%','0','4','X','-',
 641                                      '%','0','4','X','-','%','0','2','X','%','0','2','X','-',
 642                                      '%','0','2','X','%','0','2','X','%','0','2','X','%','0','2','X',
 643                                      '%','0','2','X','%','0','2','X','}',0 };
 644
 645     TRACE("(%p)->(%p)\n", This, itemid);
 646     if (!itemid)
 647         return E_POINTER;
 648     *itemid = str = CoTaskMemAlloc(56 * sizeof(WCHAR));
 649     if (!str)
 650         return E_OUTOFMEMORY;
 651     wsprintfW( str, formatW, This->flow, id->Data1, id->Data2, id->Data3,
 652                id->Data4[0], id->Data4[1], id->Data4[2], id->Data4[3],
 653                id->Data4[4], id->Data4[5], id->Data4[6], id->Data4[7] );
 654     TRACE("returning %s\n", wine_dbgstr_w(str));
 655     return S_OK;
 656 }
 657
 658 static HRESULT WINAPI MMDevice_GetState(IMMDevice *iface, DWORD *state)
 659 {
 660     MMDevice *This = impl_from_IMMDevice(iface);
 661     TRACE("(%p)->(%p)\n", iface, state);
 662
 663     if (!state)
 664         return E_POINTER;
 665     *state = This->state;
 666     return S_OK;
 667 }
 668
 669 static const IMMDeviceVtbl MMDeviceVtbl =
 670 {
 671     MMDevice_QueryInterface,
 672     MMDevice_AddRef,
 673     MMDevice_Release,
 674     MMDevice_Activate,
 675     MMDevice_OpenPropertyStore,
 676     MMDevice_GetId,
 677     MMDevice_GetState
 678 };
 679
 680 static inline MMDevice *impl_from_IMMEndpoint(IMMEndpoint *iface)
 681 {
 682     return CONTAINING_RECORD(iface, MMDevice, IMMEndpoint_iface);
 683 }
 684
 685 static HRESULT WINAPI MMEndpoint_QueryInterface(IMMEndpoint *iface, REFIID riid, void **ppv)
 686 {
 687     MMDevice *This = impl_from_IMMEndpoint(iface);
 688     TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(riid), ppv);
 689     return IMMDevice_QueryInterface(&This->IMMDevice_iface, riid, ppv);
 690 }
 691
 692 static ULONG WINAPI MMEndpoint_AddRef(IMMEndpoint *iface)
 693 {
 694     MMDevice *This = impl_from_IMMEndpoint(iface);
 695     TRACE("(%p)\n", This);
 696     return IMMDevice_AddRef(&This->IMMDevice_iface);
 697 }
 698
 699 static ULONG WINAPI MMEndpoint_Release(IMMEndpoint *iface)
 700 {
 701     MMDevice *This = impl_from_IMMEndpoint(iface);
 702     TRACE("(%p)\n", This);
 703     return IMMDevice_Release(&This->IMMDevice_iface);
 704 }
 705
 706 static HRESULT WINAPI MMEndpoint_GetDataFlow(IMMEndpoint *iface, EDataFlow *flow)
 707 {
 708     MMDevice *This = impl_from_IMMEndpoint(iface);
 709     TRACE("(%p)->(%p)\n", This, flow);
 710     if (!flow)
 711         return E_POINTER;
 712     *flow = This->flow;
 713     return S_OK;
 714 }
 715
 716 static const IMMEndpointVtbl MMEndpointVtbl =
 717 {
 718     MMEndpoint_QueryInterface,
 719     MMEndpoint_AddRef,
 720     MMEndpoint_Release,
 721     MMEndpoint_GetDataFlow
 722 };
 723
 724 static HRESULT MMDevCol_Create(IMMDeviceCollection **ppv, EDataFlow flow, DWORD state)
 725 {
 726     MMDevColImpl *This;
 727
 728     This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
 729     *ppv = NULL;
 730     if (!This)
 731         return E_OUTOFMEMORY;
 732     This->IMMDeviceCollection_iface.lpVtbl = &MMDevColVtbl;
 733     This->ref = 1;
 734     This->flow = flow;
 735     This->state = state;
 736     *ppv = &This->IMMDeviceCollection_iface;
 737     return S_OK;
 738 }
 739
 740 static void MMDevCol_Destroy(MMDevColImpl *This)
 741 {
 742     HeapFree(GetProcessHeap(), 0, This);
 743 }
 744
 745 static HRESULT WINAPI MMDevCol_QueryInterface(IMMDeviceCollection *iface, REFIID riid, void **ppv)
 746 {
 747     MMDevColImpl *This = impl_from_IMMDeviceCollection(iface);
 748     TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(riid), ppv);
 749
 750     if (!ppv)
 751         return E_POINTER;
 752     if (IsEqualIID(riid, &IID_IUnknown)
 753         || IsEqualIID(riid, &IID_IMMDeviceCollection))
 754         *ppv = This;
 755     else
 756         *ppv = NULL;
 757     if (!*ppv)
 758         return E_NOINTERFACE;
 759     IUnknown_AddRef((IUnknown*)*ppv);
 760     return S_OK;
 761 }
 762
 763 static ULONG WINAPI MMDevCol_AddRef(IMMDeviceCollection *iface)
 764 {
 765     MMDevColImpl *This = impl_from_IMMDeviceCollection(iface);
 766     LONG ref = InterlockedIncrement(&This->ref);
 767     TRACE("Refcount now %i\n", ref);
 768     return ref;
 769 }
 770
 771 static ULONG WINAPI MMDevCol_Release(IMMDeviceCollection *iface)
 772 {
 773     MMDevColImpl *This = impl_from_IMMDeviceCollection(iface);
 774     LONG ref = InterlockedDecrement(&This->ref);
 775     TRACE("Refcount now %i\n", ref);
 776     if (!ref)
 777         MMDevCol_Destroy(This);
 778     return ref;
 779 }
 780
 781 static HRESULT WINAPI MMDevCol_GetCount(IMMDeviceCollection *iface, UINT *numdevs)
 782 {
 783     MMDevColImpl *This = impl_from_IMMDeviceCollection(iface);
 784     DWORD i;
 785
 786     TRACE("(%p)->(%p)\n", This, numdevs);
 787     if (!numdevs)
 788         return E_POINTER;
 789
 790     *numdevs = 0;
 791     for (i = 0; i < MMDevice_count; ++i)
 792     {
 793         MMDevice *cur = MMDevice_head[i];
 794         if ((cur->flow == This->flow || This->flow == eAll)
 795             && (cur->state & This->state))
 796             ++(*numdevs);
 797     }
 798     return S_OK;
 799 }
 800
 801 static HRESULT WINAPI MMDevCol_Item(IMMDeviceCollection *iface, UINT n, IMMDevice **dev)
 802 {
 803     MMDevColImpl *This = impl_from_IMMDeviceCollection(iface);
 804     DWORD i = 0, j = 0;
 805
 806     TRACE("(%p)->(%u, %p)\n", This, n, dev);
 807     if (!dev)
 808         return E_POINTER;
 809
 810     for (j = 0; j < MMDevice_count; ++j)
 811     {
 812         MMDevice *cur = MMDevice_head[j];
 813         if ((cur->flow == This->flow || This->flow == eAll)
 814             && (cur->state & This->state)
 815             && i++ == n)
 816         {
 817             *dev = &cur->IMMDevice_iface;
 818             IMMDevice_AddRef(*dev);
 819             return S_OK;
 820         }
 821     }
 822     WARN("Could not obtain item %u\n", n);
 823     *dev = NULL;
 824     return E_INVALIDARG;
 825 }
 826
 827 static const IMMDeviceCollectionVtbl MMDevColVtbl =
 828 {
 829     MMDevCol_QueryInterface,
 830     MMDevCol_AddRef,
 831     MMDevCol_Release,
 832     MMDevCol_GetCount,
 833     MMDevCol_Item
 834 };
 835
 836 HRESULT MMDevEnum_Create(REFIID riid, void **ppv)
 837 {
 838     MMDevEnumImpl *This = MMDevEnumerator;
 839
 840     if (!This)
 841     {
 842         This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
 843         *ppv = NULL;
 844         if (!This)
 845             return E_OUTOFMEMORY;
 846         This->ref = 1;
 847         This->IMMDeviceEnumerator_iface.lpVtbl = &MMDevEnumVtbl;
 848         MMDevEnumerator = This;
 849
 850         load_devices_from_reg();
 851         load_driver_devices(eRender);
 852         load_driver_devices(eCapture);
 853     }
 854     return IUnknown_QueryInterface((IUnknown*)This, riid, ppv);
 855 }
 856
 857 void MMDevEnum_Free(void)
 858 {
 859     while (MMDevice_count)
 860         MMDevice_Destroy(MMDevice_head[0]);
 861     RegCloseKey(key_render);
 862     RegCloseKey(key_capture);
 863     key_render = key_capture = NULL;
 864     HeapFree(GetProcessHeap(), 0, MMDevEnumerator);
 865     MMDevEnumerator = NULL;
 866 }
 867
 868 static HRESULT WINAPI MMDevEnum_QueryInterface(IMMDeviceEnumerator *iface, REFIID riid, void **ppv)
 869 {
 870     MMDevEnumImpl *This = impl_from_IMMDeviceEnumerator(iface);
 871     TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(riid), ppv);
 872
 873     if (!ppv)
 874         return E_POINTER;
 875     if (IsEqualIID(riid, &IID_IUnknown)
 876         || IsEqualIID(riid, &IID_IMMDeviceEnumerator))
 877         *ppv = This;
 878     else
 879         *ppv = NULL;
 880     if (!*ppv)
 881         return E_NOINTERFACE;
 882     IUnknown_AddRef((IUnknown*)*ppv);
 883     return S_OK;
 884 }
 885
 886 static ULONG WINAPI MMDevEnum_AddRef(IMMDeviceEnumerator *iface)
 887 {
 888     MMDevEnumImpl *This = impl_from_IMMDeviceEnumerator(iface);
 889     LONG ref = InterlockedIncrement(&This->ref);
 890     TRACE("Refcount now %i\n", ref);
 891     return ref;
 892 }
 893
 894 static ULONG WINAPI MMDevEnum_Release(IMMDeviceEnumerator *iface)
 895 {
 896     MMDevEnumImpl *This = impl_from_IMMDeviceEnumerator(iface);
 897     LONG ref = InterlockedDecrement(&This->ref);
 898     if (!ref)
 899         MMDevEnum_Free();
 900     TRACE("Refcount now %i\n", ref);
 901     return ref;
 902 }
 903
 904 static HRESULT WINAPI MMDevEnum_EnumAudioEndpoints(IMMDeviceEnumerator *iface, EDataFlow flow, DWORD mask, IMMDeviceCollection **devices)
 905 {
 906     MMDevEnumImpl *This = impl_from_IMMDeviceEnumerator(iface);
 907     TRACE("(%p)->(%u,%u,%p)\n", This, flow, mask, devices);
 908     if (!devices)
 909         return E_POINTER;
 910     *devices = NULL;
 911     if (flow >= EDataFlow_enum_count)
 912         return E_INVALIDARG;
 913     if (mask & ~DEVICE_STATEMASK_ALL)
 914         return E_INVALIDARG;
 915     return MMDevCol_Create(devices, flow, mask);
 916 }
 917
 918 static HRESULT WINAPI MMDevEnum_GetDefaultAudioEndpoint(IMMDeviceEnumerator *iface, EDataFlow flow, ERole role, IMMDevice **device)
 919 {
 920     MMDevEnumImpl *This = impl_from_IMMDeviceEnumerator(iface);
 921     WCHAR reg_key[256];
 922     HKEY key;
 923     HRESULT hr;
 924
 925     TRACE("(%p)->(%u,%u,%p)\n", This, flow, role, device);
 926
 927     if (!device)
 928         return E_POINTER;
 929
 930     if((flow != eRender && flow != eCapture) ||
 931             (role != eConsole && role != eMultimedia && role != eCommunications)){
 932         WARN("Unknown flow (%u) or role (%u)\n", flow, role);
 933         return E_INVALIDARG;
 934     }
 935
 936     *device = NULL;
 937
 938     if(!drvs.module_name[0])
 939         return E_NOTFOUND;
 940
 941     lstrcpyW(reg_key, drv_keyW);
 942     lstrcatW(reg_key, slashW);
 943     lstrcatW(reg_key, drvs.module_name);
 944
 945     if(RegOpenKeyW(HKEY_CURRENT_USER, reg_key, &key) == ERROR_SUCCESS){
 946         const WCHAR *reg_x_name, *reg_vx_name;
 947         WCHAR def_id[256];
 948         DWORD size = sizeof(def_id), state;
 949
 950         if(flow == eRender){
 951             reg_x_name = reg_out_nameW;
 952             reg_vx_name = reg_vout_nameW;
 953         }else{
 954             reg_x_name = reg_in_nameW;
 955             reg_vx_name = reg_vin_nameW;
 956         }
 957
 958         if(role == eCommunications &&
 959                 RegQueryValueExW(key, reg_vx_name, 0, NULL,
 960                     (BYTE*)def_id, &size) == ERROR_SUCCESS){
 961             hr = IMMDeviceEnumerator_GetDevice(iface, def_id, device);
 962             if(SUCCEEDED(hr)){
 963                 if(SUCCEEDED(IMMDevice_GetState(*device, &state)) &&
 964                         state == DEVICE_STATE_ACTIVE){
 965                     RegCloseKey(key);
 966                     return S_OK;
 967                 }
 968             }
 969
 970             TRACE("Unable to find voice device %s\n", wine_dbgstr_w(def_id));
 971         }
 972
 973         if(RegQueryValueExW(key, reg_x_name, 0, NULL,
 974                     (BYTE*)def_id, &size) == ERROR_SUCCESS){
 975             hr = IMMDeviceEnumerator_GetDevice(iface, def_id, device);
 976             if(SUCCEEDED(hr)){
 977                 if(SUCCEEDED(IMMDevice_GetState(*device, &state)) &&
 978                         state == DEVICE_STATE_ACTIVE){
 979                     RegCloseKey(key);
 980                     return S_OK;
 981                 }
 982             }
 983
 984             TRACE("Unable to find device %s\n", wine_dbgstr_w(def_id));
 985         }
 986
 987         RegCloseKey(key);
 988     }
 989
 990     if (flow == eRender)
 991         *device = &MMDevice_def_play->IMMDevice_iface;
 992     else
 993         *device = &MMDevice_def_rec->IMMDevice_iface;
 994
 995     if (!*device)
 996         return E_NOTFOUND;
 997     IMMDevice_AddRef(*device);
 998     return S_OK;
 999 }
1000
1001 static HRESULT WINAPI MMDevEnum_GetDevice(IMMDeviceEnumerator *iface, const WCHAR *name, IMMDevice **device)
1002 {
1003     MMDevEnumImpl *This = impl_from_IMMDeviceEnumerator(iface);
1004     DWORD i=0;
1005     IMMDevice *dev = NULL;
1006
1007     static const WCHAR wine_info_deviceW[] = {'W','i','n','e',' ',
1008         'i','n','f','o',' ','d','e','v','i','c','e',0};
1009
1010     TRACE("(%p)->(%s,%p)\n", This, debugstr_w(name), device);
1011
1012     if(!name || !device)
1013         return E_POINTER;
1014
1015     if(!lstrcmpW(name, wine_info_deviceW)){
1016         *device = &info_device;
1017         return S_OK;
1018     }
1019
1020     for (i = 0; i < MMDevice_count; ++i)
1021     {
1022         WCHAR *str;
1023         dev = &MMDevice_head[i]->IMMDevice_iface;
1024         IMMDevice_GetId(dev, &str);
1025
1026         if (str && !lstrcmpW(str, name))
1027         {
1028             CoTaskMemFree(str);
1029             IMMDevice_AddRef(dev);
1030             *device = dev;
1031             return S_OK;
1032         }
1033         CoTaskMemFree(str);
1034     }
1035     TRACE("Could not find device %s\n", debugstr_w(name));
1036     return E_INVALIDARG;
1037 }
1038
1039 struct NotificationClientWrapper {
1040     IMMNotificationClient *client;
1041     struct list entry;
1042 };
1043
1044 static struct list g_notif_clients = LIST_INIT(g_notif_clients);
1045 static HANDLE g_notif_thread;
1046
1047 static CRITICAL_SECTION g_notif_lock;
1048 static CRITICAL_SECTION_DEBUG g_notif_lock_debug =
1049 {
1050     0, 0, &g_notif_lock,
1051     { &g_notif_lock_debug.ProcessLocksList, &g_notif_lock_debug.ProcessLocksList },
1052       0, 0, { (DWORD_PTR)(__FILE__ ": g_notif_lock") }
1053 };
1054 static CRITICAL_SECTION g_notif_lock = { &g_notif_lock_debug, -1, 0, 0, 0, 0 };
1055
1056 static void notify_clients(EDataFlow flow, ERole role, const WCHAR *id)
1057 {
1058     struct NotificationClientWrapper *wrapper;
1059     LIST_FOR_EACH_ENTRY(wrapper, &g_notif_clients,
1060             struct NotificationClientWrapper, entry)
1061         IMMNotificationClient_OnDefaultDeviceChanged(wrapper->client, flow,
1062                 role, id);
1063
1064     /* Windows 7 treats changes to eConsole as changes to eMultimedia */
1065     if(role == eConsole)
1066         notify_clients(flow, eMultimedia, id);
1067 }
1068
1069 static int notify_if_changed(EDataFlow flow, ERole role, HKEY key,
1070         const WCHAR *val_name, WCHAR *old_val, IMMDevice *def_dev)
1071 {
1072     WCHAR new_val[64], *id;
1073     DWORD size;
1074     HRESULT hr;
1075
1076     size = sizeof(new_val);
1077     if(RegQueryValueExW(key, val_name, 0, NULL,
1078                 (BYTE*)new_val, &size) != ERROR_SUCCESS){
1079         if(old_val[0] != 0){
1080             /* set by user -> system default */
1081             if(def_dev){
1082                 hr = IMMDevice_GetId(def_dev, &id);
1083                 if(FAILED(hr)){
1084                     ERR("GetId failed: %08x\n", hr);
1085                     return 0;
1086                 }
1087             }else
1088                 id = NULL;
1089
1090             notify_clients(flow, role, id);
1091             old_val[0] = 0;
1092             CoTaskMemFree(id);
1093
1094             return 1;
1095         }
1096
1097         /* system default -> system default, noop */
1098         return 0;
1099     }
1100
1101     if(!lstrcmpW(old_val, new_val)){
1102         /* set by user -> same value */
1103         return 0;
1104     }
1105
1106     if(new_val[0] != 0){
1107         /* set by user -> different value */
1108         notify_clients(flow, role, new_val);
1109         memcpy(old_val, new_val, sizeof(new_val));
1110         return 1;
1111     }
1112
1113     /* set by user -> system default */
1114     if(def_dev){
1115         hr = IMMDevice_GetId(def_dev, &id);
1116         if(FAILED(hr)){
1117             ERR("GetId failed: %08x\n", hr);
1118             return 0;
1119         }
1120     }else
1121         id = NULL;
1122
1123     notify_clients(flow, role, id);
1124     old_val[0] = 0;
1125     CoTaskMemFree(id);
1126
1127     return 1;
1128 }
1129
1130 static DWORD WINAPI notif_thread_proc(void *user)
1131 {
1132     HKEY key;
1133     WCHAR reg_key[256];
1134     WCHAR out_name[64], vout_name[64], in_name[64], vin_name[64];
1135     DWORD size;
1136
1137     lstrcpyW(reg_key, drv_keyW);
1138     lstrcatW(reg_key, slashW);
1139     lstrcatW(reg_key, drvs.module_name);
1140
1141     if(RegCreateKeyExW(HKEY_CURRENT_USER, reg_key, 0, NULL, 0,
1142                 MAXIMUM_ALLOWED, NULL, &key, NULL) != ERROR_SUCCESS){
1143         ERR("RegCreateKeyEx failed: %u\n", GetLastError());
1144         return 1;
1145     }
1146
1147     size = sizeof(out_name);
1148     if(RegQueryValueExW(key, reg_out_nameW, 0, NULL,
1149                 (BYTE*)out_name, &size) != ERROR_SUCCESS)
1150         out_name[0] = 0;
1151
1152     size = sizeof(vout_name);
1153     if(RegQueryValueExW(key, reg_vout_nameW, 0, NULL,
1154                 (BYTE*)vout_name, &size) != ERROR_SUCCESS)
1155         vout_name[0] = 0;
1156
1157     size = sizeof(in_name);
1158     if(RegQueryValueExW(key, reg_in_nameW, 0, NULL,
1159                 (BYTE*)in_name, &size) != ERROR_SUCCESS)
1160         in_name[0] = 0;
1161
1162     size = sizeof(vin_name);
1163     if(RegQueryValueExW(key, reg_vin_nameW, 0, NULL,
1164                 (BYTE*)vin_name, &size) != ERROR_SUCCESS)
1165         vin_name[0] = 0;
1166
1167     while(1){
1168         if(RegNotifyChangeKeyValue(key, FALSE, REG_NOTIFY_CHANGE_LAST_SET,
1169                     NULL, FALSE) != ERROR_SUCCESS){
1170             ERR("RegNotifyChangeKeyValue failed: %u\n", GetLastError());
1171             RegCloseKey(key);
1172             g_notif_thread = NULL;
1173             return 1;
1174         }
1175
1176         EnterCriticalSection(&g_notif_lock);
1177
1178         notify_if_changed(eRender, eConsole, key, reg_out_nameW,
1179                 out_name, &MMDevice_def_play->IMMDevice_iface);
1180         notify_if_changed(eRender, eCommunications, key, reg_vout_nameW,
1181                 vout_name, &MMDevice_def_play->IMMDevice_iface);
1182         notify_if_changed(eCapture, eConsole, key, reg_in_nameW,
1183                 in_name, &MMDevice_def_rec->IMMDevice_iface);
1184         notify_if_changed(eCapture, eCommunications, key, reg_vin_nameW,
1185                 vin_name, &MMDevice_def_rec->IMMDevice_iface);
1186
1187         LeaveCriticalSection(&g_notif_lock);
1188     }
1189
1190     RegCloseKey(key);
1191
1192     g_notif_thread = NULL;
1193
1194     return 0;
1195 }
1196
1197 static HRESULT WINAPI MMDevEnum_RegisterEndpointNotificationCallback(IMMDeviceEnumerator *iface, IMMNotificationClient *client)
1198 {
1199     MMDevEnumImpl *This = impl_from_IMMDeviceEnumerator(iface);
1200     struct NotificationClientWrapper *wrapper;
1201
1202     TRACE("(%p)->(%p)\n", This, client);
1203
1204     if(!client)
1205         return E_POINTER;
1206
1207     wrapper = HeapAlloc(GetProcessHeap(), 0, sizeof(*wrapper));
1208     if(!wrapper)
1209         return E_OUTOFMEMORY;
1210
1211     wrapper->client = client;
1212
1213     EnterCriticalSection(&g_notif_lock);
1214
1215     list_add_tail(&g_notif_clients, &wrapper->entry);
1216
1217     if(!g_notif_thread){
1218         g_notif_thread = CreateThread(NULL, 0, notif_thread_proc, NULL, 0, NULL);
1219         if(!g_notif_thread)
1220             ERR("CreateThread failed: %u\n", GetLastError());
1221     }
1222
1223     LeaveCriticalSection(&g_notif_lock);
1224
1225     return S_OK;
1226 }
1227
1228 static HRESULT WINAPI MMDevEnum_UnregisterEndpointNotificationCallback(IMMDeviceEnumerator *iface, IMMNotificationClient *client)
1229 {
1230     MMDevEnumImpl *This = impl_from_IMMDeviceEnumerator(iface);
1231     struct NotificationClientWrapper *wrapper, *wrapper2;
1232
1233     TRACE("(%p)->(%p)\n", This, client);
1234
1235     if(!client)
1236         return E_POINTER;
1237
1238     EnterCriticalSection(&g_notif_lock);
1239
1240     LIST_FOR_EACH_ENTRY_SAFE(wrapper, wrapper2, &g_notif_clients,
1241             struct NotificationClientWrapper, entry){
1242         if(wrapper->client == client){
1243             list_remove(&wrapper->entry);
1244             HeapFree(GetProcessHeap(), 0, wrapper);
1245             LeaveCriticalSection(&g_notif_lock);
1246             return S_OK;
1247         }
1248     }
1249
1250     LeaveCriticalSection(&g_notif_lock);
1251
1252     return E_NOTFOUND;
1253 }
1254
1255 static const IMMDeviceEnumeratorVtbl MMDevEnumVtbl =
1256 {
1257     MMDevEnum_QueryInterface,
1258     MMDevEnum_AddRef,
1259     MMDevEnum_Release,
1260     MMDevEnum_EnumAudioEndpoints,
1261     MMDevEnum_GetDefaultAudioEndpoint,
1262     MMDevEnum_GetDevice,
1263     MMDevEnum_RegisterEndpointNotificationCallback,
1264     MMDevEnum_UnregisterEndpointNotificationCallback
1265 };
1266
1267 static HRESULT MMDevPropStore_Create(MMDevice *parent, DWORD access, IPropertyStore **ppv)
1268 {
1269     MMDevPropStore *This;
1270     if (access != STGM_READ
1271         && access != STGM_WRITE
1272         && access != STGM_READWRITE)
1273     {
1274         WARN("Invalid access %08x\n", access);
1275         return E_INVALIDARG;
1276     }
1277     This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
1278     *ppv = &This->IPropertyStore_iface;
1279     if (!This)
1280         return E_OUTOFMEMORY;
1281     This->IPropertyStore_iface.lpVtbl = &MMDevPropVtbl;
1282     This->ref = 1;
1283     This->parent = parent;
1284     This->access = access;
1285     return S_OK;
1286 }
1287
1288 static void MMDevPropStore_Destroy(MMDevPropStore *This)
1289 {
1290     HeapFree(GetProcessHeap(), 0, This);
1291 }
1292
1293 static HRESULT WINAPI MMDevPropStore_QueryInterface(IPropertyStore *iface, REFIID riid, void **ppv)
1294 {
1295     MMDevPropStore *This = impl_from_IPropertyStore(iface);
1296     TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(riid), ppv);
1297
1298     if (!ppv)
1299         return E_POINTER;
1300     if (IsEqualIID(riid, &IID_IUnknown)
1301         || IsEqualIID(riid, &IID_IPropertyStore))
1302         *ppv = This;
1303     else
1304         *ppv = NULL;
1305     if (!*ppv)
1306         return E_NOINTERFACE;
1307     IUnknown_AddRef((IUnknown*)*ppv);
1308     return S_OK;
1309 }
1310
1311 static ULONG WINAPI MMDevPropStore_AddRef(IPropertyStore *iface)
1312 {
1313     MMDevPropStore *This = impl_from_IPropertyStore(iface);
1314     LONG ref = InterlockedIncrement(&This->ref);
1315     TRACE("Refcount now %i\n", ref);
1316     return ref;
1317 }
1318
1319 static ULONG WINAPI MMDevPropStore_Release(IPropertyStore *iface)
1320 {
1321     MMDevPropStore *This = impl_from_IPropertyStore(iface);
1322     LONG ref = InterlockedDecrement(&This->ref);
1323     TRACE("Refcount now %i\n", ref);
1324     if (!ref)
1325         MMDevPropStore_Destroy(This);
1326     return ref;
1327 }
1328
1329 static HRESULT WINAPI MMDevPropStore_GetCount(IPropertyStore *iface, DWORD *nprops)
1330 {
1331     MMDevPropStore *This = impl_from_IPropertyStore(iface);
1332     WCHAR buffer[50];
1333     DWORD i = 0;
1334     HKEY propkey;
1335     HRESULT hr;
1336
1337     TRACE("(%p)->(%p)\n", iface, nprops);
1338     if (!nprops)
1339         return E_POINTER;
1340     hr = MMDevPropStore_OpenPropKey(&This->parent->devguid, This->parent->flow, &propkey);
1341     if (FAILED(hr))
1342         return hr;
1343     *nprops = 0;
1344     do {
1345         DWORD len = sizeof(buffer)/sizeof(*buffer);
1346         if (RegEnumKeyExW(propkey, i, buffer, &len, NULL, NULL, NULL, NULL) != ERROR_SUCCESS)
1347             break;
1348         i++;
1349     } while (0);
1350     RegCloseKey(propkey);
1351     TRACE("Returning %i\n", i);
1352     *nprops = i;
1353     return S_OK;
1354 }
1355
1356 static HRESULT WINAPI MMDevPropStore_GetAt(IPropertyStore *iface, DWORD prop, PROPERTYKEY *key)
1357 {
1358     MMDevPropStore *This = impl_from_IPropertyStore(iface);
1359     WCHAR buffer[50];
1360     DWORD len = sizeof(buffer)/sizeof(*buffer);
1361     HRESULT hr;
1362     HKEY propkey;
1363
1364     TRACE("(%p)->(%u,%p)\n", iface, prop, key);
1365     if (!key)
1366         return E_POINTER;
1367
1368     hr = MMDevPropStore_OpenPropKey(&This->parent->devguid, This->parent->flow, &propkey);
1369     if (FAILED(hr))
1370         return hr;
1371
1372     if (RegEnumKeyExW(propkey, prop, buffer, &len, NULL, NULL, NULL, NULL) != ERROR_SUCCESS
1373         || len <= 40)
1374     {
1375         WARN("GetAt %u failed\n", prop);
1376         return E_INVALIDARG;
1377     }
1378     RegCloseKey(propkey);
1379     buffer[39] = 0;
1380     CLSIDFromString(buffer, &key->fmtid);
1381     key->pid = atoiW(&buffer[40]);
1382     return S_OK;
1383 }
1384
1385 static HRESULT WINAPI MMDevPropStore_GetValue(IPropertyStore *iface, REFPROPERTYKEY key, PROPVARIANT *pv)
1386 {
1387     MMDevPropStore *This = impl_from_IPropertyStore(iface);
1388     TRACE("(%p)->(\"%s,%u\", %p)\n", This, key ? debugstr_guid(&key->fmtid) : NULL, key ? key->pid : 0, pv);
1389
1390     if (!key || !pv)
1391         return E_POINTER;
1392     if (This->access != STGM_READ
1393         && This->access != STGM_READWRITE)
1394         return STG_E_ACCESSDENIED;
1395
1396     /* Special case */
1397     if (IsEqualPropertyKey(*key, PKEY_AudioEndpoint_GUID))
1398     {
1399         pv->vt = VT_LPWSTR;
1400         pv->u.pwszVal = CoTaskMemAlloc(39 * sizeof(WCHAR));
1401         if (!pv->u.pwszVal)
1402             return E_OUTOFMEMORY;
1403         StringFromGUID2(&This->parent->devguid, pv->u.pwszVal, 39);
1404         return S_OK;
1405     }
1406
1407     return MMDevice_GetPropValue(&This->parent->devguid, This->parent->flow, key, pv);
1408 }
1409
1410 static HRESULT WINAPI MMDevPropStore_SetValue(IPropertyStore *iface, REFPROPERTYKEY key, REFPROPVARIANT pv)
1411 {
1412     MMDevPropStore *This = impl_from_IPropertyStore(iface);
1413     TRACE("(%p)->(\"%s,%u\", %p)\n", This, key ? debugstr_guid(&key->fmtid) : NULL, key ? key->pid : 0, pv);
1414
1415     if (!key || !pv)
1416         return E_POINTER;
1417
1418     if (This->access != STGM_WRITE
1419         && This->access != STGM_READWRITE)
1420         return STG_E_ACCESSDENIED;
1421     return MMDevice_SetPropValue(&This->parent->devguid, This->parent->flow, key, pv);
1422 }
1423
1424 static HRESULT WINAPI MMDevPropStore_Commit(IPropertyStore *iface)
1425 {
1426     FIXME("stub\n");
1427     return E_NOTIMPL;
1428 }
1429
1430 static const IPropertyStoreVtbl MMDevPropVtbl =
1431 {
1432     MMDevPropStore_QueryInterface,
1433     MMDevPropStore_AddRef,
1434     MMDevPropStore_Release,
1435     MMDevPropStore_GetCount,
1436     MMDevPropStore_GetAt,
1437     MMDevPropStore_GetValue,
1438     MMDevPropStore_SetValue,
1439     MMDevPropStore_Commit
1440 };
1441
1442
1443 /* Property bag for IBaseFilter activation */
1444 static HRESULT WINAPI PB_QueryInterface(IPropertyBag *iface, REFIID riid, void **ppv)
1445 {
1446     ERR("Should not be called\n");
1447     *ppv = NULL;
1448     return E_NOINTERFACE;
1449 }
1450
1451 static ULONG WINAPI PB_AddRef(IPropertyBag *iface)
1452 {
1453     ERR("Should not be called\n");
1454     return 2;
1455 }
1456
1457 static ULONG WINAPI PB_Release(IPropertyBag *iface)
1458 {
1459     ERR("Should not be called\n");
1460     return 1;
1461 }
1462
1463 static HRESULT WINAPI PB_Read(IPropertyBag *iface, LPCOLESTR name, VARIANT *var, IErrorLog *log)
1464 {
1465     static const WCHAR dsguid[] = { 'D','S','G','u','i','d', 0 };
1466     IPropertyBagImpl *This = impl_from_IPropertyBag(iface);
1467     TRACE("Trying to read %s, type %u\n", debugstr_w(name), var->n1.n2.vt);
1468     if (!lstrcmpW(name, dsguid))
1469     {
1470         WCHAR guidstr[39];
1471         StringFromGUID2(&This->devguid, guidstr,sizeof(guidstr)/sizeof(*guidstr));
1472         var->n1.n2.vt = VT_BSTR;
1473         var->n1.n2.n3.bstrVal = SysAllocString(guidstr);
1474         return S_OK;
1475     }
1476     ERR("Unknown property '%s' queried\n", debugstr_w(name));
1477     return E_FAIL;
1478 }
1479
1480 static HRESULT WINAPI PB_Write(IPropertyBag *iface, LPCOLESTR name, VARIANT *var)
1481 {
1482     ERR("Should not be called\n");
1483     return E_FAIL;
1484 }
1485
1486 static const IPropertyBagVtbl PB_Vtbl =
1487 {
1488     PB_QueryInterface,
1489     PB_AddRef,
1490     PB_Release,
1491     PB_Read,
1492     PB_Write
1493 };
1494
1495 static ULONG WINAPI info_device_ps_AddRef(IPropertyStore *iface)
1496 {
1497     return 2;
1498 }
1499
1500 static ULONG WINAPI info_device_ps_Release(IPropertyStore *iface)
1501 {
1502     return 1;
1503 }
1504
1505 static HRESULT WINAPI info_device_ps_GetValue(IPropertyStore *iface,
1506         REFPROPERTYKEY key, PROPVARIANT *pv)
1507 {
1508     TRACE("(static)->(\"%s,%u\", %p)\n", debugstr_guid(&key->fmtid), key ? key->pid : 0, pv);
1509
1510     if (!key || !pv)
1511         return E_POINTER;
1512
1513     if (IsEqualPropertyKey(*key, DEVPKEY_Device_Driver))
1514     {
1515         INT size = (lstrlenW(drvs.module_name) + 1) * sizeof(WCHAR);
1516         pv->vt = VT_LPWSTR;
1517         pv->u.pwszVal = CoTaskMemAlloc(size);
1518         if (!pv->u.pwszVal)
1519             return E_OUTOFMEMORY;
1520         memcpy(pv->u.pwszVal, drvs.module_name, size);
1521         return S_OK;
1522     }
1523
1524     return E_INVALIDARG;
1525 }
1526
1527 static const IPropertyStoreVtbl info_device_ps_Vtbl =
1528 {
1529     NULL,
1530     info_device_ps_AddRef,
1531     info_device_ps_Release,
1532     NULL,
1533     NULL,
1534     info_device_ps_GetValue,
1535     NULL,
1536     NULL
1537 };
1538
1539 static IPropertyStore info_device_ps = {
1540     &info_device_ps_Vtbl
1541 };
1542
1543 static ULONG WINAPI info_device_AddRef(IMMDevice *iface)
1544 {
1545     return 2;
1546 }
1547
1548 static ULONG WINAPI info_device_Release(IMMDevice *iface)
1549 {
1550     return 1;
1551 }
1552
1553 static HRESULT WINAPI info_device_OpenPropertyStore(IMMDevice *iface,
1554         DWORD access, IPropertyStore **ppv)
1555 {
1556     TRACE("(static)->(%x, %p)\n", access, ppv);
1557     *ppv = &info_device_ps;
1558     return S_OK;
1559 }
1560
1561 static const IMMDeviceVtbl info_device_Vtbl =
1562 {
1563     NULL,
1564     info_device_AddRef,
1565     info_device_Release,
1566     NULL,
1567     info_device_OpenPropertyStore,
1568     NULL,
1569     NULL
1570 };
1571
1572 static IMMDevice info_device = {
1573     &info_device_Vtbl
1574 };