git.oblomov.eu Git - wine/blob - dlls/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 #ifdef HAVE_AL_AL_H
  24 #include <AL/al.h>
  25 #include <AL/alc.h>
  26 #elif defined(HAVE_OPENAL_AL_H)
  27 #include <OpenAL/al.h>
  28 #include <OpenAL/alc.h>
  29 #endif
  30
  31 #define NONAMELESSUNION
  32 #define COBJMACROS
  33 #include "windef.h"
  34 #include "winbase.h"
  35 #include "winnls.h"
  36 #include "winreg.h"
  37 #include "wine/debug.h"
  38 #include "wine/unicode.h"
  39
  40 #include "ole2.h"
  41 #include "mmdeviceapi.h"
  42 #include "dshow.h"
  43 #include "dsound.h"
  44 #include "audioclient.h"
  45 #include "endpointvolume.h"
  46 #include "audiopolicy.h"
  47
  48 #include "mmdevapi.h"
  49 #include "devpkey.h"
  50
  51 WINE_DEFAULT_DEBUG_CHANNEL(mmdevapi);
  52
  53 static const WCHAR software_mmdevapi[] =
  54     { 'S','o','f','t','w','a','r','e','\\',
  55       'M','i','c','r','o','s','o','f','t','\\',
  56       'W','i','n','d','o','w','s','\\',
  57       'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
  58       'M','M','D','e','v','i','c','e','s','\\',
  59       'A','u','d','i','o',0};
  60 static const WCHAR reg_render[] =
  61     { 'R','e','n','d','e','r',0 };
  62 static const WCHAR reg_capture[] =
  63     { 'C','a','p','t','u','r','e',0 };
  64 static const WCHAR reg_devicestate[] =
  65     { 'D','e','v','i','c','e','S','t','a','t','e',0 };
  66 static const WCHAR reg_properties[] =
  67     { 'P','r','o','p','e','r','t','i','e','s',0 };
  68
  69 static HKEY key_render;
  70 static HKEY key_capture;
  71
  72 typedef struct MMDevPropStoreImpl
  73 {
  74     IPropertyStore IPropertyStore_iface;
  75     LONG ref;
  76     MMDevice *parent;
  77     DWORD access;
  78 } MMDevPropStore;
  79
  80 typedef struct MMDevEnumImpl
  81 {
  82     IMMDeviceEnumerator IMMDeviceEnumerator_iface;
  83     LONG ref;
  84 } MMDevEnumImpl;
  85
  86 static MMDevEnumImpl *MMDevEnumerator;
  87 static MMDevice **MMDevice_head;
  88 static MMDevice *MMDevice_def_rec, *MMDevice_def_play;
  89 static DWORD MMDevice_count;
  90 static const IMMDeviceEnumeratorVtbl MMDevEnumVtbl;
  91 static const IMMDeviceCollectionVtbl MMDevColVtbl;
  92 static const IMMDeviceVtbl MMDeviceVtbl;
  93 static const IPropertyStoreVtbl MMDevPropVtbl;
  94 static const IMMEndpointVtbl MMEndpointVtbl;
  95
  96 typedef struct MMDevColImpl
  97 {
  98     IMMDeviceCollection IMMDeviceCollection_iface;
  99     LONG ref;
 100     EDataFlow flow;
 101     DWORD state;
 102 } MMDevColImpl;
 103
 104 typedef struct IPropertyBagImpl {
 105     IPropertyBag IPropertyBag_iface;
 106     GUID devguid;
 107 } IPropertyBagImpl;
 108
 109 static const IPropertyBagVtbl PB_Vtbl;
 110
 111 static HRESULT MMDevPropStore_Create(MMDevice *This, DWORD access, IPropertyStore **ppv);
 112
 113 static inline MMDevPropStore *impl_from_IPropertyStore(IPropertyStore *iface)
 114 {
 115     return CONTAINING_RECORD(iface, MMDevPropStore, IPropertyStore_iface);
 116 }
 117
 118 static inline MMDevEnumImpl *impl_from_IMMDeviceEnumerator(IMMDeviceEnumerator *iface)
 119 {
 120     return CONTAINING_RECORD(iface, MMDevEnumImpl, IMMDeviceEnumerator_iface);
 121 }
 122
 123 static inline MMDevColImpl *impl_from_IMMDeviceCollection(IMMDeviceCollection *iface)
 124 {
 125     return CONTAINING_RECORD(iface, MMDevColImpl, IMMDeviceCollection_iface);
 126 }
 127
 128 static inline IPropertyBagImpl *impl_from_IPropertyBag(IPropertyBag *iface)
 129 {
 130     return CONTAINING_RECORD(iface, IPropertyBagImpl, IPropertyBag_iface);
 131 }
 132
 133 /* Creates or updates the state of a device
 134  * If GUID is null, a random guid will be assigned
 135  * and the device will be created
 136  */
 137 static void MMDevice_Create(MMDevice **dev, WCHAR *name, GUID *id, EDataFlow flow, DWORD state, BOOL setdefault)
 138 {
 139     HKEY key, root;
 140     MMDevice *cur;
 141     WCHAR guidstr[39];
 142     DWORD i;
 143
 144     for (i = 0; i < MMDevice_count; ++i)
 145     {
 146         cur = MMDevice_head[i];
 147         if (cur->flow == flow && !lstrcmpW(cur->alname, name))
 148         {
 149             LONG ret;
 150             /* Same device, update state */
 151             cur->state = state;
 152             StringFromGUID2(&cur->devguid, guidstr, sizeof(guidstr)/sizeof(*guidstr));
 153             ret = RegOpenKeyExW(flow == eRender ? key_render : key_capture, guidstr, 0, KEY_WRITE, &key);
 154             if (ret == ERROR_SUCCESS)
 155             {
 156                 RegSetValueExW(key, reg_devicestate, 0, REG_DWORD, (const BYTE*)&state, sizeof(DWORD));
 157                 RegCloseKey(key);
 158             }
 159             goto done;
 160         }
 161     }
 162
 163     /* No device found, allocate new one */
 164     cur = HeapAlloc(GetProcessHeap(), 0, sizeof(*cur));
 165     if (!cur)
 166         return;
 167     cur->alname = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(name)+1)*sizeof(WCHAR));
 168     if (!cur->alname)
 169     {
 170         HeapFree(GetProcessHeap(), 0, cur);
 171         return;
 172     }
 173     lstrcpyW(cur->alname, name);
 174     cur->lpVtbl = &MMDeviceVtbl;
 175     cur->lpEndpointVtbl = &MMEndpointVtbl;
 176     cur->ref = 0;
 177     InitializeCriticalSection(&cur->crst);
 178     cur->crst.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": MMDevice.crst");
 179     cur->flow = flow;
 180     cur->state = state;
 181     cur->device = NULL;
 182     if (!id)
 183     {
 184         id = &cur->devguid;
 185         CoCreateGuid(id);
 186     }
 187     cur->devguid = *id;
 188     StringFromGUID2(id, guidstr, sizeof(guidstr)/sizeof(*guidstr));
 189     if (flow == eRender)
 190         root = key_render;
 191     else
 192         root = key_capture;
 193     if (!RegCreateKeyExW(root, guidstr, 0, NULL, 0, KEY_WRITE|KEY_READ, NULL, &key, NULL))
 194     {
 195         HKEY keyprop;
 196         RegSetValueExW(key, reg_devicestate, 0, REG_DWORD, (const BYTE*)&state, sizeof(DWORD));
 197         if (!RegCreateKeyExW(key, reg_properties, 0, NULL, 0, KEY_WRITE|KEY_READ, NULL, &keyprop, NULL))
 198         {
 199             PROPVARIANT pv;
 200             pv.vt = VT_LPWSTR;
 201             pv.u.pwszVal = name;
 202             MMDevice_SetPropValue(id, flow, (const PROPERTYKEY*)&DEVPKEY_Device_FriendlyName, &pv);
 203             MMDevice_SetPropValue(id, flow, (const PROPERTYKEY*)&DEVPKEY_Device_DeviceDesc, &pv);
 204             RegCloseKey(keyprop);
 205         }
 206         RegCloseKey(key);
 207     }
 208     if (!MMDevice_head)
 209         MMDevice_head = HeapAlloc(GetProcessHeap(), 0, sizeof(*MMDevice_head));
 210     else
 211         MMDevice_head = HeapReAlloc(GetProcessHeap(), 0, MMDevice_head, sizeof(*MMDevice_head)*(1+MMDevice_count));
 212     MMDevice_head[MMDevice_count++] = cur;
 213
 214 done:
 215     if (setdefault)
 216     {
 217         if (flow == eRender)
 218             MMDevice_def_play = cur;
 219         else
 220             MMDevice_def_rec = cur;
 221     }
 222     if (dev)
 223         *dev = cur;
 224 }
 225
 226 static void MMDevice_Destroy(MMDevice *This)
 227 {
 228     DWORD i;
 229     TRACE("Freeing %s\n", debugstr_w(This->alname));
 230     /* Since this function is called at destruction time, reordering of the list is unimportant */
 231     for (i = 0; i < MMDevice_count; ++i)
 232     {
 233         if (MMDevice_head[i] == This)
 234         {
 235             MMDevice_head[i] = MMDevice_head[--MMDevice_count];
 236             break;
 237         }
 238     }
 239 #ifdef HAVE_OPENAL
 240     if (This->device)
 241         palcCloseDevice(This->device);
 242 #endif
 243     This->crst.DebugInfo->Spare[0] = 0;
 244     DeleteCriticalSection(&This->crst);
 245     HeapFree(GetProcessHeap(), 0, This->alname);
 246     HeapFree(GetProcessHeap(), 0, This);
 247 }
 248
 249 static HRESULT WINAPI MMDevice_QueryInterface(IMMDevice *iface, REFIID riid, void **ppv)
 250 {
 251     MMDevice *This = (MMDevice *)iface;
 252     TRACE("(%p)->(%s,%p)\n", iface, debugstr_guid(riid), ppv);
 253
 254     if (!ppv)
 255         return E_POINTER;
 256     *ppv = NULL;
 257     if (IsEqualIID(riid, &IID_IUnknown)
 258         || IsEqualIID(riid, &IID_IMMDevice))
 259         *ppv = This;
 260     else if (IsEqualIID(riid, &IID_IMMEndpoint))
 261         *ppv = &This->lpEndpointVtbl;
 262     if (*ppv)
 263     {
 264         IUnknown_AddRef((IUnknown*)*ppv);
 265         return S_OK;
 266     }
 267     WARN("Unknown interface %s\n", debugstr_guid(riid));
 268     return E_NOINTERFACE;
 269 }
 270
 271 static ULONG WINAPI MMDevice_AddRef(IMMDevice *iface)
 272 {
 273     MMDevice *This = (MMDevice *)iface;
 274     LONG ref;
 275
 276     ref = InterlockedIncrement(&This->ref);
 277     TRACE("Refcount now %i\n", ref);
 278     return ref;
 279 }
 280
 281 static ULONG WINAPI MMDevice_Release(IMMDevice *iface)
 282 {
 283     MMDevice *This = (MMDevice *)iface;
 284     LONG ref;
 285
 286     ref = InterlockedDecrement(&This->ref);
 287     TRACE("Refcount now %i\n", ref);
 288     return ref;
 289 }
 290
 291 static HRESULT WINAPI MMDevice_Activate(IMMDevice *iface, REFIID riid, DWORD clsctx, PROPVARIANT *params, void **ppv)
 292 {
 293     HRESULT hr = E_NOINTERFACE;
 294
 295 #ifdef HAVE_OPENAL
 296     MMDevice *This = (MMDevice *)iface;
 297
 298     TRACE("(%p)->(%p,%x,%p,%p)\n", iface, riid, clsctx, params, ppv);
 299
 300     if (!ppv)
 301         return E_POINTER;
 302
 303     if (!openal_loaded)
 304     {
 305         WARN("OpenAL is still not loaded\n");
 306         hr = AUDCLNT_E_SERVICE_NOT_RUNNING;
 307     }
 308     else if (IsEqualIID(riid, &IID_IAudioClient))
 309         hr = AudioClient_Create(This, (IAudioClient**)ppv);
 310     else if (IsEqualIID(riid, &IID_IAudioEndpointVolume))
 311         hr = AudioEndpointVolume_Create(This, (IAudioEndpointVolume**)ppv);
 312     else if (IsEqualIID(riid, &IID_IAudioSessionManager)
 313              || IsEqualIID(riid, &IID_IAudioSessionManager2))
 314     {
 315         FIXME("IID_IAudioSessionManager unsupported\n");
 316     }
 317     else if (IsEqualIID(riid, &IID_IBaseFilter))
 318     {
 319         if (This->flow == eRender)
 320             hr = CoCreateInstance(&CLSID_DSoundRender, NULL, clsctx, riid, ppv);
 321         else
 322             ERR("Not supported for recording?\n");
 323         if (SUCCEEDED(hr))
 324         {
 325             IPersistPropertyBag *ppb;
 326             hr = IUnknown_QueryInterface((IUnknown*)*ppv, &IID_IPersistPropertyBag, (void*)&ppb);
 327             if (SUCCEEDED(hr))
 328             {
 329                 /* ::Load cannot assume the interface stays alive after the function returns,
 330                  * so just create the interface on the stack, saves a lot of complicated code */
 331                 IPropertyBagImpl bag = { { &PB_Vtbl }, This->devguid };
 332                 hr = IPersistPropertyBag_Load(ppb, &bag.IPropertyBag_iface, NULL);
 333                 IPersistPropertyBag_Release(ppb);
 334                 if (FAILED(hr))
 335                     IBaseFilter_Release((IBaseFilter*)*ppv);
 336             }
 337             else
 338             {
 339                 FIXME("Wine doesn't support IPersistPropertyBag on DSoundRender yet, ignoring..\n");
 340                 hr = S_OK;
 341             }
 342         }
 343     }
 344     else if (IsEqualIID(riid, &IID_IDeviceTopology))
 345     {
 346         FIXME("IID_IDeviceTopology unsupported\n");
 347     }
 348     else if (IsEqualIID(riid, &IID_IDirectSound)
 349              || IsEqualIID(riid, &IID_IDirectSound8))
 350     {
 351         if (This->flow == eRender)
 352             hr = CoCreateInstance(&CLSID_DirectSound8, NULL, clsctx, riid, ppv);
 353         if (SUCCEEDED(hr))
 354         {
 355             hr = IDirectSound_Initialize((IDirectSound*)*ppv, &This->devguid);
 356             if (FAILED(hr))
 357                 IDirectSound_Release((IDirectSound*)*ppv);
 358         }
 359     }
 360     else if (IsEqualIID(riid, &IID_IDirectSoundCapture)
 361              || IsEqualIID(riid, &IID_IDirectSoundCapture8))
 362     {
 363         if (This->flow == eCapture)
 364             hr = CoCreateInstance(&CLSID_DirectSoundCapture8, NULL, clsctx, riid, ppv);
 365         if (SUCCEEDED(hr))
 366         {
 367             hr = IDirectSoundCapture_Initialize((IDirectSoundCapture*)*ppv, &This->devguid);
 368             if (FAILED(hr))
 369                 IDirectSoundCapture_Release((IDirectSoundCapture*)*ppv);
 370         }
 371     }
 372     else
 373         ERR("Invalid/unknown iid %s\n", debugstr_guid(riid));
 374 #else
 375     if (!ppv) return E_POINTER;
 376     hr = AUDCLNT_E_SERVICE_NOT_RUNNING;
 377 #endif
 378
 379     if (FAILED(hr))
 380         *ppv = NULL;
 381
 382     TRACE("Returning %08x\n", hr);
 383     return hr;
 384 }
 385
 386 static HRESULT WINAPI MMDevice_OpenPropertyStore(IMMDevice *iface, DWORD access, IPropertyStore **ppv)
 387 {
 388     MMDevice *This = (MMDevice *)iface;
 389     TRACE("(%p)->(%x,%p)\n", This, access, ppv);
 390
 391     if (!ppv)
 392         return E_POINTER;
 393     return MMDevPropStore_Create(This, access, ppv);
 394 }
 395
 396 static HRESULT WINAPI MMDevice_GetId(IMMDevice *iface, WCHAR **itemid)
 397 {
 398     MMDevice *This = (MMDevice *)iface;
 399     WCHAR *str;
 400     GUID *id = &This->devguid;
 401     static const WCHAR formatW[] = { '{','0','.','0','.','0','.','0','0','0','0','0','0','0','0','}','.',
 402                                      '{','%','0','8','X','-','%','0','4','X','-',
 403                                      '%','0','4','X','-','%','0','2','X','%','0','2','X','-',
 404                                      '%','0','2','X','%','0','2','X','%','0','2','X','%','0','2','X',
 405                                      '%','0','2','X','%','0','2','X','}',0 };
 406
 407     TRACE("(%p)->(%p)\n", This, itemid);
 408     if (!itemid)
 409         return E_POINTER;
 410     *itemid = str = CoTaskMemAlloc(56 * sizeof(WCHAR));
 411     if (!str)
 412         return E_OUTOFMEMORY;
 413     wsprintfW( str, formatW, id->Data1, id->Data2, id->Data3,
 414                id->Data4[0], id->Data4[1], id->Data4[2], id->Data4[3],
 415                id->Data4[4], id->Data4[5], id->Data4[6], id->Data4[7] );
 416     return S_OK;
 417 }
 418
 419 static HRESULT WINAPI MMDevice_GetState(IMMDevice *iface, DWORD *state)
 420 {
 421     MMDevice *This = (MMDevice *)iface;
 422     TRACE("(%p)->(%p)\n", iface, state);
 423
 424     if (!state)
 425         return E_POINTER;
 426     *state = This->state;
 427     return S_OK;
 428 }
 429
 430 static const IMMDeviceVtbl MMDeviceVtbl =
 431 {
 432     MMDevice_QueryInterface,
 433     MMDevice_AddRef,
 434     MMDevice_Release,
 435     MMDevice_Activate,
 436     MMDevice_OpenPropertyStore,
 437     MMDevice_GetId,
 438     MMDevice_GetState
 439 };
 440
 441 static MMDevice *get_this_from_endpoint(IMMEndpoint *iface)
 442 {
 443     return (MMDevice*)((char*)iface - offsetof(MMDevice,lpEndpointVtbl));
 444 }
 445
 446 static HRESULT WINAPI MMEndpoint_QueryInterface(IMMEndpoint *iface, REFIID riid, void **ppv)
 447 {
 448     MMDevice *This = get_this_from_endpoint(iface);
 449     return IMMDevice_QueryInterface((IMMDevice*)This, riid, ppv);
 450 }
 451
 452 static ULONG WINAPI MMEndpoint_AddRef(IMMEndpoint *iface)
 453 {
 454     MMDevice *This = get_this_from_endpoint(iface);
 455     return IMMDevice_AddRef((IMMDevice*)This);
 456 }
 457
 458 static ULONG WINAPI MMEndpoint_Release(IMMEndpoint *iface)
 459 {
 460     MMDevice *This = get_this_from_endpoint(iface);
 461     return IMMDevice_Release((IMMDevice*)This);
 462 }
 463
 464 static HRESULT WINAPI MMEndpoint_GetDataFlow(IMMEndpoint *iface, EDataFlow *flow)
 465 {
 466     MMDevice *This = get_this_from_endpoint(iface);
 467     if (!flow)
 468         return E_POINTER;
 469     *flow = This->flow;
 470     return S_OK;
 471 }
 472
 473 static const IMMEndpointVtbl MMEndpointVtbl =
 474 {
 475     MMEndpoint_QueryInterface,
 476     MMEndpoint_AddRef,
 477     MMEndpoint_Release,
 478     MMEndpoint_GetDataFlow
 479 };
 480
 481 static HRESULT MMDevCol_Create(IMMDeviceCollection **ppv, EDataFlow flow, DWORD state)
 482 {
 483     MMDevColImpl *This;
 484
 485     This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
 486     *ppv = NULL;
 487     if (!This)
 488         return E_OUTOFMEMORY;
 489     This->IMMDeviceCollection_iface.lpVtbl = &MMDevColVtbl;
 490     This->ref = 1;
 491     This->flow = flow;
 492     This->state = state;
 493     *ppv = &This->IMMDeviceCollection_iface;
 494     return S_OK;
 495 }
 496
 497 static void MMDevCol_Destroy(MMDevColImpl *This)
 498 {
 499     HeapFree(GetProcessHeap(), 0, This);
 500 }
 501
 502 static HRESULT WINAPI MMDevCol_QueryInterface(IMMDeviceCollection *iface, REFIID riid, void **ppv)
 503 {
 504     MMDevColImpl *This = impl_from_IMMDeviceCollection(iface);
 505
 506     if (!ppv)
 507         return E_POINTER;
 508     if (IsEqualIID(riid, &IID_IUnknown)
 509         || IsEqualIID(riid, &IID_IMMDeviceCollection))
 510         *ppv = This;
 511     else
 512         *ppv = NULL;
 513     if (!*ppv)
 514         return E_NOINTERFACE;
 515     IUnknown_AddRef((IUnknown*)*ppv);
 516     return S_OK;
 517 }
 518
 519 static ULONG WINAPI MMDevCol_AddRef(IMMDeviceCollection *iface)
 520 {
 521     MMDevColImpl *This = impl_from_IMMDeviceCollection(iface);
 522     LONG ref = InterlockedIncrement(&This->ref);
 523     TRACE("Refcount now %i\n", ref);
 524     return ref;
 525 }
 526
 527 static ULONG WINAPI MMDevCol_Release(IMMDeviceCollection *iface)
 528 {
 529     MMDevColImpl *This = impl_from_IMMDeviceCollection(iface);
 530     LONG ref = InterlockedDecrement(&This->ref);
 531     TRACE("Refcount now %i\n", ref);
 532     if (!ref)
 533         MMDevCol_Destroy(This);
 534     return ref;
 535 }
 536
 537 static HRESULT WINAPI MMDevCol_GetCount(IMMDeviceCollection *iface, UINT *numdevs)
 538 {
 539     MMDevColImpl *This = impl_from_IMMDeviceCollection(iface);
 540     DWORD i;
 541
 542     TRACE("(%p)->(%p)\n", This, numdevs);
 543     if (!numdevs)
 544         return E_POINTER;
 545
 546     *numdevs = 0;
 547     for (i = 0; i < MMDevice_count; ++i)
 548     {
 549         MMDevice *cur = MMDevice_head[i];
 550         if ((cur->flow == This->flow || This->flow == eAll)
 551             && (cur->state & This->state))
 552             ++(*numdevs);
 553     }
 554     return S_OK;
 555 }
 556
 557 static HRESULT WINAPI MMDevCol_Item(IMMDeviceCollection *iface, UINT n, IMMDevice **dev)
 558 {
 559     MMDevColImpl *This = impl_from_IMMDeviceCollection(iface);
 560     DWORD i = 0, j = 0;
 561
 562     TRACE("(%p)->(%u, %p)\n", This, n, dev);
 563     if (!dev)
 564         return E_POINTER;
 565
 566     for (j = 0; j < MMDevice_count; ++j)
 567     {
 568         MMDevice *cur = MMDevice_head[j];
 569         if ((cur->flow == This->flow || This->flow == eAll)
 570             && (cur->state & This->state)
 571             && i++ == n)
 572         {
 573             *dev = (IMMDevice *)cur;
 574             IMMDevice_AddRef(*dev);
 575             return S_OK;
 576         }
 577     }
 578     WARN("Could not obtain item %u\n", n);
 579     *dev = NULL;
 580     return E_INVALIDARG;
 581 }
 582
 583 static const IMMDeviceCollectionVtbl MMDevColVtbl =
 584 {
 585     MMDevCol_QueryInterface,
 586     MMDevCol_AddRef,
 587     MMDevCol_Release,
 588     MMDevCol_GetCount,
 589     MMDevCol_Item
 590 };
 591
 592 static const WCHAR propkey_formatW[] = {
 593     '{','%','0','8','X','-','%','0','4','X','-',
 594     '%','0','4','X','-','%','0','2','X','%','0','2','X','-',
 595     '%','0','2','X','%','0','2','X','%','0','2','X','%','0','2','X',
 596     '%','0','2','X','%','0','2','X','}',',','%','d',0 };
 597
 598 static HRESULT MMDevPropStore_OpenPropKey(const GUID *guid, DWORD flow, HKEY *propkey)
 599 {
 600     WCHAR buffer[39];
 601     LONG ret;
 602     HKEY key;
 603     StringFromGUID2(guid, buffer, 39);
 604     if ((ret = RegOpenKeyExW(flow == eRender ? key_render : key_capture, buffer, 0, KEY_READ|KEY_WRITE, &key)) != ERROR_SUCCESS)
 605     {
 606         WARN("Opening key %s failed with %u\n", debugstr_w(buffer), ret);
 607         return E_FAIL;
 608     }
 609     ret = RegOpenKeyExW(key, reg_properties, 0, KEY_READ|KEY_WRITE, propkey);
 610     RegCloseKey(key);
 611     if (ret != ERROR_SUCCESS)
 612     {
 613         WARN("Opening key %s failed with %u\n", debugstr_w(reg_properties), ret);
 614         return E_FAIL;
 615     }
 616     return S_OK;
 617 }
 618
 619 HRESULT MMDevice_GetPropValue(const GUID *devguid, DWORD flow, REFPROPERTYKEY key, PROPVARIANT *pv)
 620 {
 621     WCHAR buffer[80];
 622     const GUID *id = &key->fmtid;
 623     DWORD type, size;
 624     HRESULT hr = S_OK;
 625     HKEY regkey;
 626     LONG ret;
 627
 628     hr = MMDevPropStore_OpenPropKey(devguid, flow, &regkey);
 629     if (FAILED(hr))
 630         return hr;
 631     wsprintfW( buffer, propkey_formatW, id->Data1, id->Data2, id->Data3,
 632                id->Data4[0], id->Data4[1], id->Data4[2], id->Data4[3],
 633                id->Data4[4], id->Data4[5], id->Data4[6], id->Data4[7], key->pid );
 634     ret = RegGetValueW(regkey, NULL, buffer, RRF_RT_ANY, &type, NULL, &size);
 635     if (ret != ERROR_SUCCESS)
 636     {
 637         WARN("Reading %s returned %d\n", debugstr_w(buffer), ret);
 638         RegCloseKey(regkey);
 639         PropVariantClear(pv);
 640         return S_OK;
 641     }
 642
 643     switch (type)
 644     {
 645         case REG_SZ:
 646         {
 647             pv->vt = VT_LPWSTR;
 648             pv->u.pwszVal = CoTaskMemAlloc(size);
 649             if (!pv->u.pwszVal)
 650                 hr = E_OUTOFMEMORY;
 651             else
 652                 RegGetValueW(regkey, NULL, buffer, RRF_RT_REG_SZ, NULL, (BYTE*)pv->u.pwszVal, &size);
 653             break;
 654         }
 655         case REG_DWORD:
 656         {
 657             pv->vt = VT_UI4;
 658             RegGetValueW(regkey, NULL, buffer, RRF_RT_REG_DWORD, NULL, (BYTE*)&pv->u.ulVal, &size);
 659             break;
 660         }
 661         case REG_BINARY:
 662         {
 663             pv->vt = VT_BLOB;
 664             pv->u.blob.cbSize = size;
 665             pv->u.blob.pBlobData = CoTaskMemAlloc(size);
 666             if (!pv->u.blob.pBlobData)
 667                 hr = E_OUTOFMEMORY;
 668             else
 669                 RegGetValueW(regkey, NULL, buffer, RRF_RT_REG_BINARY, NULL, (BYTE*)pv->u.blob.pBlobData, &size);
 670             break;
 671         }
 672         default:
 673             ERR("Unknown/unhandled type: %u\n", type);
 674             PropVariantClear(pv);
 675             break;
 676     }
 677     RegCloseKey(regkey);
 678     return hr;
 679 }
 680
 681 HRESULT MMDevice_SetPropValue(const GUID *devguid, DWORD flow, REFPROPERTYKEY key, REFPROPVARIANT pv)
 682 {
 683     WCHAR buffer[80];
 684     const GUID *id = &key->fmtid;
 685     HRESULT hr;
 686     HKEY regkey;
 687     LONG ret;
 688
 689     hr = MMDevPropStore_OpenPropKey(devguid, flow, &regkey);
 690     if (FAILED(hr))
 691         return hr;
 692     wsprintfW( buffer, propkey_formatW, id->Data1, id->Data2, id->Data3,
 693                id->Data4[0], id->Data4[1], id->Data4[2], id->Data4[3],
 694                id->Data4[4], id->Data4[5], id->Data4[6], id->Data4[7], key->pid );
 695     switch (pv->vt)
 696     {
 697         case VT_UI4:
 698         {
 699             ret = RegSetValueExW(regkey, buffer, 0, REG_DWORD, (const BYTE*)&pv->u.ulVal, sizeof(DWORD));
 700             break;
 701         }
 702         case VT_BLOB:
 703         {
 704             ret = RegSetValueExW(regkey, buffer, 0, REG_BINARY, pv->u.blob.pBlobData, pv->u.blob.cbSize);
 705             TRACE("Blob %p %u\n", pv->u.blob.pBlobData, pv->u.blob.cbSize);
 706
 707             break;
 708         }
 709         case VT_LPWSTR:
 710         {
 711             ret = RegSetValueExW(regkey, buffer, 0, REG_SZ, (const BYTE*)pv->u.pwszVal, sizeof(WCHAR)*(1+lstrlenW(pv->u.pwszVal)));
 712             break;
 713         }
 714         default:
 715             ret = 0;
 716             FIXME("Unhandled type %u\n", pv->vt);
 717             hr = E_INVALIDARG;
 718             break;
 719     }
 720     RegCloseKey(regkey);
 721     TRACE("Writing %s returned %u\n", debugstr_w(buffer), ret);
 722     return hr;
 723 }
 724
 725 #ifdef HAVE_OPENAL
 726
 727 static void openal_setformat(MMDevice *This, DWORD freq)
 728 {
 729     HRESULT hr;
 730     PROPVARIANT pv = { VT_EMPTY };
 731
 732     hr = MMDevice_GetPropValue(&This->devguid, This->flow, &PKEY_AudioEngine_DeviceFormat, &pv);
 733     if (SUCCEEDED(hr) && pv.vt == VT_BLOB)
 734     {
 735         WAVEFORMATEX *pwfx;
 736         pwfx = (WAVEFORMATEX*)pv.u.blob.pBlobData;
 737         if (pwfx->nSamplesPerSec != freq)
 738         {
 739             pwfx->nSamplesPerSec = freq;
 740             pwfx->nAvgBytesPerSec = freq * pwfx->nBlockAlign;
 741             MMDevice_SetPropValue(&This->devguid, This->flow, &PKEY_AudioEngine_DeviceFormat, &pv);
 742         }
 743         CoTaskMemFree(pwfx);
 744     }
 745     else
 746     {
 747         WAVEFORMATEXTENSIBLE wfxe;
 748
 749         wfxe.Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
 750         wfxe.Format.nChannels = 2;
 751         wfxe.Format.wBitsPerSample = 32;
 752         wfxe.Format.nBlockAlign = wfxe.Format.nChannels * wfxe.Format.wBitsPerSample/8;
 753         wfxe.Format.nSamplesPerSec = freq;
 754         wfxe.Format.nAvgBytesPerSec = wfxe.Format.nSamplesPerSec * wfxe.Format.nBlockAlign;
 755         wfxe.Format.cbSize = sizeof(wfxe)-sizeof(WAVEFORMATEX);
 756         wfxe.Samples.wValidBitsPerSample = 32;
 757         wfxe.SubFormat = KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
 758         wfxe.dwChannelMask = SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT;
 759
 760         pv.vt = VT_BLOB;
 761         pv.u.blob.cbSize = sizeof(wfxe);
 762         pv.u.blob.pBlobData = (BYTE*)&wfxe;
 763         MMDevice_SetPropValue(&This->devguid, This->flow, &PKEY_AudioEngine_DeviceFormat, &pv);
 764         MMDevice_SetPropValue(&This->devguid, This->flow, &PKEY_AudioEngine_OEMFormat, &pv);
 765     }
 766 }
 767
 768 static int blacklist_pulse;
 769
 770 static int blacklist(const char *dev) {
 771 #ifdef __linux__
 772     if (!strncmp(dev, "OSS ", 4))
 773         return 1;
 774 #endif
 775     if (blacklist_pulse && !strncmp(dev, "PulseAudio ", 11))
 776         return 1;
 777     if (!strncmp(dev, "ALSA ", 5) && strstr(dev, "hw:"))
 778         return 1;
 779     if (!strncmp(dev, "PortAudio ", 10))
 780         return 1;
 781     return 0;
 782 }
 783
 784 static void pulse_fixup(const char *devstr, const char **defstr, int render) {
 785     static int warned;
 786     int default_pulse;
 787
 788     if (render && !blacklist_pulse && !local_contexts)
 789         blacklist_pulse = 1;
 790
 791     if (!blacklist_pulse || !devstr || !*devstr)
 792         return;
 793
 794     default_pulse = !strncmp(*defstr, "PulseAudio ", 11);
 795
 796     while (*devstr && !strncmp(devstr, "PulseAudio ", 11))
 797         devstr += strlen(devstr) + 1;
 798
 799     /* Could still be a newer version, so check for 1.11 if more devices are enabled */
 800     if (render && *devstr) {
 801         ALCdevice *dev = palcOpenDevice(devstr);
 802         ALCcontext *ctx = palcCreateContext(dev, NULL);
 803         if (ctx) {
 804             const char *ver;
 805
 806             setALContext(ctx);
 807             ver = palGetString(AL_VERSION);
 808             popALContext();
 809             palcDestroyContext(ctx);
 810
 811             if (!strcmp(ver, "1.1 ALSOFT 1.11.753")) {
 812                 blacklist_pulse = 0;
 813                 palcCloseDevice(dev);
 814                 return;
 815             }
 816         }
 817         if (dev)
 818             palcCloseDevice(dev);
 819     }
 820
 821     if (!warned++) {
 822         ERR("Disabling pulseaudio because of old openal version\n");
 823         ERR("Please upgrade to openal-soft v1.12 or newer\n");
 824     }
 825     TRACE("New default: %s\n", devstr);
 826     if (default_pulse)
 827         *defstr = devstr;
 828 }
 829
 830 static void openal_scanrender(void)
 831 {
 832     WCHAR name[MAX_PATH];
 833     ALCdevice *dev;
 834     const ALCchar *devstr, *defaultstr;
 835     int defblacklisted;
 836     EnterCriticalSection(&openal_crst);
 837     if (palcIsExtensionPresent(NULL, "ALC_ENUMERATE_ALL_EXT")) {
 838         defaultstr = palcGetString(NULL, ALC_DEFAULT_ALL_DEVICES_SPECIFIER);
 839         devstr = palcGetString(NULL, ALC_ALL_DEVICES_SPECIFIER);
 840     } else {
 841         defaultstr = palcGetString(NULL, ALC_DEFAULT_DEVICE_SPECIFIER);
 842         devstr = palcGetString(NULL, ALC_DEVICE_SPECIFIER);
 843     }
 844     pulse_fixup(devstr, &defaultstr, 1);
 845     defblacklisted = blacklist(defaultstr);
 846     if (defblacklisted)
 847         WARN("Disabling blacklist because %s is blacklisted\n", defaultstr);
 848     if (devstr)
 849         for (; *devstr; devstr += strlen(devstr)+1) {
 850             MMDevice *mmdev;
 851             MultiByteToWideChar( CP_UNIXCP, 0, devstr, -1,
 852                                  name, sizeof(name)/sizeof(*name)-1 );
 853             name[sizeof(name)/sizeof(*name)-1] = 0;
 854             /* Only enable blacklist if the default device isn't blacklisted */
 855             if (!defblacklisted && blacklist(devstr)) {
 856                 WARN("Not adding %s: device is blacklisted\n", devstr);
 857                 continue;
 858             }
 859             TRACE("Adding %s\n", devstr);
 860             dev = palcOpenDevice(devstr);
 861             MMDevice_Create(&mmdev, name, NULL, eRender, dev ? DEVICE_STATE_ACTIVE : DEVICE_STATE_NOTPRESENT, !strcmp(devstr, defaultstr));
 862             if (dev)
 863             {
 864                 ALint freq = 44100;
 865                 palcGetIntegerv(dev, ALC_FREQUENCY, 1, &freq);
 866                 openal_setformat(mmdev, freq);
 867                 palcCloseDevice(dev);
 868             }
 869             else
 870                 WARN("Could not open device: %04x\n", palcGetError(NULL));
 871         }
 872     LeaveCriticalSection(&openal_crst);
 873 }
 874
 875 static void openal_scancapture(void)
 876 {
 877     WCHAR name[MAX_PATH];
 878     ALCdevice *dev;
 879     const ALCchar *devstr, *defaultstr;
 880     int defblacklisted;
 881
 882     EnterCriticalSection(&openal_crst);
 883     devstr = palcGetString(NULL, ALC_CAPTURE_DEVICE_SPECIFIER);
 884     defaultstr = palcGetString(NULL, ALC_CAPTURE_DEFAULT_DEVICE_SPECIFIER);
 885     pulse_fixup(devstr, &defaultstr, 0);
 886     defblacklisted = blacklist(defaultstr);
 887     if (defblacklisted)
 888         WARN("Disabling blacklist because %s is blacklisted\n", defaultstr);
 889     if (devstr && *devstr)
 890         for (; *devstr; devstr += strlen(devstr)+1) {
 891             MMDevice *mmdev;
 892             ALint freq = 44100;
 893             MultiByteToWideChar( CP_UNIXCP, 0, devstr, -1,
 894                                  name, sizeof(name)/sizeof(*name)-1 );
 895             name[sizeof(name)/sizeof(*name)-1] = 0;
 896             if (!defblacklisted && blacklist(devstr)) {
 897                 WARN("Not adding %s: device is blacklisted\n", devstr);
 898                 continue;
 899             }
 900             TRACE("Adding %s\n", devstr);
 901             dev = palcCaptureOpenDevice(devstr, freq, AL_FORMAT_MONO16, 65536);
 902             MMDevice_Create(&mmdev, name, NULL, eCapture, dev ? DEVICE_STATE_ACTIVE : DEVICE_STATE_NOTPRESENT, !strcmp(devstr, defaultstr));
 903             if (dev) {
 904                 openal_setformat(mmdev, freq);
 905                 palcCaptureCloseDevice(dev);
 906             } else
 907                 WARN("Could not open device: %04x\n", palcGetError(NULL));
 908         }
 909     LeaveCriticalSection(&openal_crst);
 910 }
 911 #endif /*HAVE_OPENAL*/
 912
 913 HRESULT MMDevEnum_Create(REFIID riid, void **ppv)
 914 {
 915     MMDevEnumImpl *This = MMDevEnumerator;
 916
 917     if (!This)
 918     {
 919         DWORD i = 0;
 920         HKEY root, cur;
 921         LONG ret;
 922         DWORD curflow;
 923
 924         This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
 925         *ppv = NULL;
 926         if (!This)
 927             return E_OUTOFMEMORY;
 928         This->ref = 1;
 929         This->IMMDeviceEnumerator_iface.lpVtbl = &MMDevEnumVtbl;
 930         MMDevEnumerator = This;
 931
 932         ret = RegCreateKeyExW(HKEY_LOCAL_MACHINE, software_mmdevapi, 0, NULL, 0, KEY_WRITE|KEY_READ, NULL, &root, NULL);
 933         if (ret == ERROR_SUCCESS)
 934             ret = RegCreateKeyExW(root, reg_capture, 0, NULL, 0, KEY_READ|KEY_WRITE, NULL, &key_capture, NULL);
 935         if (ret == ERROR_SUCCESS)
 936             ret = RegCreateKeyExW(root, reg_render, 0, NULL, 0, KEY_READ|KEY_WRITE, NULL, &key_render, NULL);
 937         RegCloseKey(root);
 938         cur = key_capture;
 939         curflow = eCapture;
 940         if (ret != ERROR_SUCCESS)
 941         {
 942             RegCloseKey(key_capture);
 943             key_render = key_capture = NULL;
 944             WARN("Couldn't create key: %u\n", ret);
 945             return E_FAIL;
 946         }
 947         else do {
 948             WCHAR guidvalue[39];
 949             GUID guid;
 950             DWORD len;
 951             PROPVARIANT pv = { VT_EMPTY };
 952
 953             len = sizeof(guidvalue)/sizeof(guidvalue[0]);
 954             ret = RegEnumKeyExW(cur, i++, guidvalue, &len, NULL, NULL, NULL, NULL);
 955             if (ret == ERROR_NO_MORE_ITEMS)
 956             {
 957                 if (cur == key_capture)
 958                 {
 959                     cur = key_render;
 960                     curflow = eRender;
 961                     i = 0;
 962                     continue;
 963                 }
 964                 break;
 965             }
 966             if (ret != ERROR_SUCCESS)
 967                 continue;
 968             if (SUCCEEDED(CLSIDFromString(guidvalue, &guid))
 969                 && SUCCEEDED(MMDevice_GetPropValue(&guid, curflow, (const PROPERTYKEY*)&DEVPKEY_Device_FriendlyName, &pv))
 970                 && pv.vt == VT_LPWSTR)
 971             {
 972                 MMDevice_Create(NULL, pv.u.pwszVal, &guid, curflow,
 973                                 DEVICE_STATE_NOTPRESENT, FALSE);
 974                 CoTaskMemFree(pv.u.pwszVal);
 975             }
 976         } while (1);
 977 #ifdef HAVE_OPENAL
 978         if (openal_loaded)
 979         {
 980             openal_scanrender();
 981             openal_scancapture();
 982         }
 983         else
 984             FIXME("OpenAL support not enabled, application will not find sound devices\n");
 985 #else
 986         ERR("OpenAL support not compiled in, application will not find sound devices\n");
 987 #endif /*HAVE_OPENAL*/
 988     }
 989     return IUnknown_QueryInterface((IUnknown*)This, riid, ppv);
 990 }
 991
 992 void MMDevEnum_Free(void)
 993 {
 994     while (MMDevice_count)
 995         MMDevice_Destroy(MMDevice_head[0]);
 996     RegCloseKey(key_render);
 997     RegCloseKey(key_capture);
 998     key_render = key_capture = NULL;
 999     HeapFree(GetProcessHeap(), 0, MMDevEnumerator);
1000     MMDevEnumerator = NULL;
1001 }
1002
1003 static HRESULT WINAPI MMDevEnum_QueryInterface(IMMDeviceEnumerator *iface, REFIID riid, void **ppv)
1004 {
1005     MMDevEnumImpl *This = impl_from_IMMDeviceEnumerator(iface);
1006
1007     if (!ppv)
1008         return E_POINTER;
1009     if (IsEqualIID(riid, &IID_IUnknown)
1010         || IsEqualIID(riid, &IID_IMMDeviceEnumerator))
1011         *ppv = This;
1012     else
1013         *ppv = NULL;
1014     if (!*ppv)
1015         return E_NOINTERFACE;
1016     IUnknown_AddRef((IUnknown*)*ppv);
1017     return S_OK;
1018 }
1019
1020 static ULONG WINAPI MMDevEnum_AddRef(IMMDeviceEnumerator *iface)
1021 {
1022     MMDevEnumImpl *This = impl_from_IMMDeviceEnumerator(iface);
1023     LONG ref = InterlockedIncrement(&This->ref);
1024     TRACE("Refcount now %i\n", ref);
1025     return ref;
1026 }
1027
1028 static ULONG WINAPI MMDevEnum_Release(IMMDeviceEnumerator *iface)
1029 {
1030     MMDevEnumImpl *This = impl_from_IMMDeviceEnumerator(iface);
1031     LONG ref = InterlockedDecrement(&This->ref);
1032     if (!ref)
1033         MMDevEnum_Free();
1034     TRACE("Refcount now %i\n", ref);
1035     return ref;
1036 }
1037
1038 static HRESULT WINAPI MMDevEnum_EnumAudioEndpoints(IMMDeviceEnumerator *iface, EDataFlow flow, DWORD mask, IMMDeviceCollection **devices)
1039 {
1040     MMDevEnumImpl *This = impl_from_IMMDeviceEnumerator(iface);
1041     TRACE("(%p)->(%u,%u,%p)\n", This, flow, mask, devices);
1042     if (!devices)
1043         return E_POINTER;
1044     *devices = NULL;
1045     if (flow >= EDataFlow_enum_count)
1046         return E_INVALIDARG;
1047     if (mask & ~DEVICE_STATEMASK_ALL)
1048         return E_INVALIDARG;
1049     return MMDevCol_Create(devices, flow, mask);
1050 }
1051
1052 static HRESULT WINAPI MMDevEnum_GetDefaultAudioEndpoint(IMMDeviceEnumerator *iface, EDataFlow flow, ERole role, IMMDevice **device)
1053 {
1054     MMDevEnumImpl *This = impl_from_IMMDeviceEnumerator(iface);
1055     TRACE("(%p)->(%u,%u,%p)\n", This, flow, role, device);
1056
1057     if (!device)
1058         return E_POINTER;
1059     *device = NULL;
1060
1061     if (flow == eRender)
1062         *device = (IMMDevice*)MMDevice_def_play;
1063     else if (flow == eCapture)
1064         *device = (IMMDevice*)MMDevice_def_rec;
1065     else
1066     {
1067         WARN("Unknown flow %u\n", flow);
1068         return E_INVALIDARG;
1069     }
1070
1071     if (!*device)
1072         return E_NOTFOUND;
1073     IMMDevice_AddRef(*device);
1074     return S_OK;
1075 }
1076
1077 static HRESULT WINAPI MMDevEnum_GetDevice(IMMDeviceEnumerator *iface, const WCHAR *name, IMMDevice **device)
1078 {
1079     MMDevEnumImpl *This = impl_from_IMMDeviceEnumerator(iface);
1080     DWORD i=0;
1081     IMMDevice *dev = NULL;
1082
1083     TRACE("(%p)->(%s,%p)\n", This, debugstr_w(name), device);
1084     for (i = 0; i < MMDevice_count; ++i)
1085     {
1086         WCHAR *str;
1087         dev = (IMMDevice*)MMDevice_head[i];
1088         IMMDevice_GetId(dev, &str);
1089
1090         if (str && !lstrcmpW(str, name))
1091         {
1092             CoTaskMemFree(str);
1093             break;
1094         }
1095         CoTaskMemFree(str);
1096     }
1097     if (dev)
1098     {
1099         IUnknown_AddRef(dev);
1100         *device = dev;
1101         return S_OK;
1102     }
1103     WARN("Could not find device %s\n", debugstr_w(name));
1104     return E_NOTFOUND;
1105 }
1106
1107 static HRESULT WINAPI MMDevEnum_RegisterEndpointNotificationCallback(IMMDeviceEnumerator *iface, IMMNotificationClient *client)
1108 {
1109     MMDevEnumImpl *This = impl_from_IMMDeviceEnumerator(iface);
1110     TRACE("(%p)->(%p)\n", This, client);
1111     FIXME("stub\n");
1112     return S_OK;
1113 }
1114
1115 static HRESULT WINAPI MMDevEnum_UnregisterEndpointNotificationCallback(IMMDeviceEnumerator *iface, IMMNotificationClient *client)
1116 {
1117     MMDevEnumImpl *This = impl_from_IMMDeviceEnumerator(iface);
1118     TRACE("(%p)->(%p)\n", This, client);
1119     FIXME("stub\n");
1120     return S_OK;
1121 }
1122
1123 static const IMMDeviceEnumeratorVtbl MMDevEnumVtbl =
1124 {
1125     MMDevEnum_QueryInterface,
1126     MMDevEnum_AddRef,
1127     MMDevEnum_Release,
1128     MMDevEnum_EnumAudioEndpoints,
1129     MMDevEnum_GetDefaultAudioEndpoint,
1130     MMDevEnum_GetDevice,
1131     MMDevEnum_RegisterEndpointNotificationCallback,
1132     MMDevEnum_UnregisterEndpointNotificationCallback
1133 };
1134
1135 static HRESULT MMDevPropStore_Create(MMDevice *parent, DWORD access, IPropertyStore **ppv)
1136 {
1137     MMDevPropStore *This;
1138     if (access != STGM_READ
1139         && access != STGM_WRITE
1140         && access != STGM_READWRITE)
1141     {
1142         WARN("Invalid access %08x\n", access);
1143         return E_INVALIDARG;
1144     }
1145     This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
1146     *ppv = &This->IPropertyStore_iface;
1147     if (!This)
1148         return E_OUTOFMEMORY;
1149     This->IPropertyStore_iface.lpVtbl = &MMDevPropVtbl;
1150     This->ref = 1;
1151     This->parent = parent;
1152     This->access = access;
1153     return S_OK;
1154 }
1155
1156 static void MMDevPropStore_Destroy(MMDevPropStore *This)
1157 {
1158     HeapFree(GetProcessHeap(), 0, This);
1159 }
1160
1161 static HRESULT WINAPI MMDevPropStore_QueryInterface(IPropertyStore *iface, REFIID riid, void **ppv)
1162 {
1163     MMDevPropStore *This = impl_from_IPropertyStore(iface);
1164
1165     if (!ppv)
1166         return E_POINTER;
1167     if (IsEqualIID(riid, &IID_IUnknown)
1168         || IsEqualIID(riid, &IID_IPropertyStore))
1169         *ppv = This;
1170     else
1171         *ppv = NULL;
1172     if (!*ppv)
1173         return E_NOINTERFACE;
1174     IUnknown_AddRef((IUnknown*)*ppv);
1175     return S_OK;
1176 }
1177
1178 static ULONG WINAPI MMDevPropStore_AddRef(IPropertyStore *iface)
1179 {
1180     MMDevPropStore *This = impl_from_IPropertyStore(iface);
1181     LONG ref = InterlockedIncrement(&This->ref);
1182     TRACE("Refcount now %i\n", ref);
1183     return ref;
1184 }
1185
1186 static ULONG WINAPI MMDevPropStore_Release(IPropertyStore *iface)
1187 {
1188     MMDevPropStore *This = impl_from_IPropertyStore(iface);
1189     LONG ref = InterlockedDecrement(&This->ref);
1190     TRACE("Refcount now %i\n", ref);
1191     if (!ref)
1192         MMDevPropStore_Destroy(This);
1193     return ref;
1194 }
1195
1196 static HRESULT WINAPI MMDevPropStore_GetCount(IPropertyStore *iface, DWORD *nprops)
1197 {
1198     MMDevPropStore *This = impl_from_IPropertyStore(iface);
1199     WCHAR buffer[50];
1200     DWORD i = 0;
1201     HKEY propkey;
1202     HRESULT hr;
1203
1204     TRACE("(%p)->(%p)\n", iface, nprops);
1205     if (!nprops)
1206         return E_POINTER;
1207     hr = MMDevPropStore_OpenPropKey(&This->parent->devguid, This->parent->flow, &propkey);
1208     if (FAILED(hr))
1209         return hr;
1210     *nprops = 0;
1211     do {
1212         DWORD len = sizeof(buffer)/sizeof(*buffer);
1213         if (RegEnumKeyExW(propkey, i, buffer, &len, NULL, NULL, NULL, NULL) != ERROR_SUCCESS)
1214             break;
1215         i++;
1216     } while (0);
1217     RegCloseKey(propkey);
1218     TRACE("Returning %i\n", i);
1219     *nprops = i;
1220     return S_OK;
1221 }
1222
1223 static HRESULT WINAPI MMDevPropStore_GetAt(IPropertyStore *iface, DWORD prop, PROPERTYKEY *key)
1224 {
1225     MMDevPropStore *This = impl_from_IPropertyStore(iface);
1226     WCHAR buffer[50];
1227     DWORD len = sizeof(buffer)/sizeof(*buffer);
1228     HRESULT hr;
1229     HKEY propkey;
1230
1231     TRACE("(%p)->(%u,%p)\n", iface, prop, key);
1232     if (!key)
1233         return E_POINTER;
1234
1235     hr = MMDevPropStore_OpenPropKey(&This->parent->devguid, This->parent->flow, &propkey);
1236     if (FAILED(hr))
1237         return hr;
1238
1239     if (RegEnumKeyExW(propkey, prop, buffer, &len, NULL, NULL, NULL, NULL) != ERROR_SUCCESS
1240         || len <= 40)
1241     {
1242         WARN("GetAt %u failed\n", prop);
1243         return E_INVALIDARG;
1244     }
1245     RegCloseKey(propkey);
1246     buffer[39] = 0;
1247     CLSIDFromString(buffer, &key->fmtid);
1248     key->pid = atoiW(&buffer[40]);
1249     return S_OK;
1250 }
1251
1252 static HRESULT WINAPI MMDevPropStore_GetValue(IPropertyStore *iface, REFPROPERTYKEY key, PROPVARIANT *pv)
1253 {
1254     MMDevPropStore *This = impl_from_IPropertyStore(iface);
1255     TRACE("(%p)->(\"%s,%u\", %p\n", This, debugstr_guid(&key->fmtid), key ? key->pid : 0, pv);
1256
1257     if (!key || !pv)
1258         return E_POINTER;
1259     if (This->access != STGM_READ
1260         && This->access != STGM_READWRITE)
1261         return STG_E_ACCESSDENIED;
1262
1263     /* Special case */
1264     if (IsEqualPropertyKey(*key, PKEY_AudioEndpoint_GUID))
1265     {
1266         pv->vt = VT_LPWSTR;
1267         pv->u.pwszVal = CoTaskMemAlloc(39 * sizeof(WCHAR));
1268         if (!pv->u.pwszVal)
1269             return E_OUTOFMEMORY;
1270         StringFromGUID2(&This->parent->devguid, pv->u.pwszVal, 39);
1271         return S_OK;
1272     }
1273
1274     return MMDevice_GetPropValue(&This->parent->devguid, This->parent->flow, key, pv);
1275 }
1276
1277 static HRESULT WINAPI MMDevPropStore_SetValue(IPropertyStore *iface, REFPROPERTYKEY key, REFPROPVARIANT pv)
1278 {
1279     MMDevPropStore *This = impl_from_IPropertyStore(iface);
1280
1281     if (!key || !pv)
1282         return E_POINTER;
1283
1284     if (This->access != STGM_WRITE
1285         && This->access != STGM_READWRITE)
1286         return STG_E_ACCESSDENIED;
1287     return MMDevice_SetPropValue(&This->parent->devguid, This->parent->flow, key, pv);
1288 }
1289
1290 static HRESULT WINAPI MMDevPropStore_Commit(IPropertyStore *iface)
1291 {
1292     FIXME("stub\n");
1293     return E_NOTIMPL;
1294 }
1295
1296 static const IPropertyStoreVtbl MMDevPropVtbl =
1297 {
1298     MMDevPropStore_QueryInterface,
1299     MMDevPropStore_AddRef,
1300     MMDevPropStore_Release,
1301     MMDevPropStore_GetCount,
1302     MMDevPropStore_GetAt,
1303     MMDevPropStore_GetValue,
1304     MMDevPropStore_SetValue,
1305     MMDevPropStore_Commit
1306 };
1307
1308
1309 /* Property bag for IBaseFilter activation */
1310 static HRESULT WINAPI PB_QueryInterface(IPropertyBag *iface, REFIID riid, void **ppv)
1311 {
1312     ERR("Should not be called\n");
1313     *ppv = NULL;
1314     return E_NOINTERFACE;
1315 }
1316
1317 static ULONG WINAPI PB_AddRef(IPropertyBag *iface)
1318 {
1319     ERR("Should not be called\n");
1320     return 2;
1321 }
1322
1323 static ULONG WINAPI PB_Release(IPropertyBag *iface)
1324 {
1325     ERR("Should not be called\n");
1326     return 1;
1327 }
1328
1329 static HRESULT WINAPI PB_Read(IPropertyBag *iface, LPCOLESTR name, VARIANT *var, IErrorLog *log)
1330 {
1331     static const WCHAR dsguid[] = { 'D','S','G','u','i','d', 0 };
1332     IPropertyBagImpl *This = impl_from_IPropertyBag(iface);
1333     TRACE("Trying to read %s, type %u\n", debugstr_w(name), var->n1.n2.vt);
1334     if (!lstrcmpW(name, dsguid))
1335     {
1336         WCHAR guidstr[39];
1337         StringFromGUID2(&This->devguid, guidstr,sizeof(guidstr)/sizeof(*guidstr));
1338         var->n1.n2.vt = VT_BSTR;
1339         var->n1.n2.n3.bstrVal = SysAllocString(guidstr);
1340         return S_OK;
1341     }
1342     ERR("Unknown property '%s' queried\n", debugstr_w(name));
1343     return E_FAIL;
1344 }
1345
1346 static HRESULT WINAPI PB_Write(IPropertyBag *iface, LPCOLESTR name, VARIANT *var)
1347 {
1348     ERR("Should not be called\n");
1349     return E_FAIL;
1350 }
1351
1352 static const IPropertyBagVtbl PB_Vtbl =
1353 {
1354     PB_QueryInterface,
1355     PB_AddRef,
1356     PB_Release,
1357     PB_Read,
1358     PB_Write
1359 };