dlls/dsound/capture.c

   1 /*              DirectSoundCapture
   2  *
   3  * Copyright 1998 Marcus Meissner
   4  * Copyright 1998 Rob Riggs
   5  * Copyright 2000-2001 TransGaming Technologies, Inc.
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21 /*
  22  * TODO:
  23  *      Implement FX support.
  24  *      Implement both IDirectSoundCaptureBuffer and IDirectSoundCaptureBuffer8
  25  *      Make DirectSoundCaptureCreate and DirectSoundCaptureCreate8 behave differently
  26  */
  27
  28 #include <stdarg.h>
  29
  30 #define NONAMELESSSTRUCT
  31 #define NONAMELESSUNION
  32 #include "windef.h"
  33 #include "winbase.h"
  34 #include "winuser.h"
  35 #include "mmsystem.h"
  36 #include "mmddk.h"
  37 #include "winternl.h"
  38 #include "winnls.h"
  39 #include "wine/debug.h"
  40 #include "dsound.h"
  41 #include "dsdriver.h"
  42 #include "dsound_private.h"
  43
  44 WINE_DEFAULT_DEBUG_CHANNEL(dsound);
  45
  46 /*****************************************************************************
  47  * IDirectSoundCapture implementation structure
  48  */
  49 struct IDirectSoundCaptureImpl
  50 {
  51     /* IUnknown fields */
  52     const IDirectSoundCaptureVtbl     *lpVtbl;
  53     LONG                               ref;
  54
  55     DirectSoundCaptureDevice          *device;
  56 };
  57
  58 static HRESULT IDirectSoundCaptureImpl_Create(LPDIRECTSOUNDCAPTURE8 * ppds);
  59
  60
  61 /*****************************************************************************
  62  * IDirectSoundCaptureNotify implementation structure
  63  */
  64 struct IDirectSoundCaptureNotifyImpl
  65 {
  66     /* IUnknown fields */
  67     const IDirectSoundNotifyVtbl       *lpVtbl;
  68     LONG                                ref;
  69     IDirectSoundCaptureBufferImpl*      dscb;
  70 };
  71
  72 static HRESULT IDirectSoundCaptureNotifyImpl_Create(IDirectSoundCaptureBufferImpl *dscb,
  73                                                     IDirectSoundCaptureNotifyImpl ** pdscn);
  74
  75
  76 DirectSoundCaptureDevice * DSOUND_capture[MAXWAVEDRIVERS];
  77
  78 static HRESULT DirectSoundCaptureDevice_Create(DirectSoundCaptureDevice ** ppDevice);
  79
  80 static const char * const captureStateString[] = {
  81     "STATE_STOPPED",
  82     "STATE_STARTING",
  83     "STATE_CAPTURING",
  84     "STATE_STOPPING"
  85 };
  86
  87 HRESULT DSOUND_CaptureCreate(
  88     REFIID riid,
  89     LPDIRECTSOUNDCAPTURE *ppDSC)
  90 {
  91     LPDIRECTSOUNDCAPTURE pDSC;
  92     HRESULT hr;
  93     TRACE("(%s, %p)\n", debugstr_guid(riid), ppDSC);
  94
  95     if (!IsEqualIID(riid, &IID_IUnknown) &&
  96         !IsEqualIID(riid, &IID_IDirectSoundCapture)) {
  97         *ppDSC = 0;
  98         return E_NOINTERFACE;
  99     }
 100
 101     /* Get dsound configuration */
 102     setup_dsound_options();
 103
 104     hr = IDirectSoundCaptureImpl_Create(&pDSC);
 105     if (hr == DS_OK) {
 106         IDirectSoundCapture_AddRef(pDSC);
 107         *ppDSC = pDSC;
 108     } else {
 109         WARN("IDirectSoundCaptureImpl_Create failed\n");
 110         *ppDSC = 0;
 111     }
 112
 113     return hr;
 114 }
 115
 116 HRESULT DSOUND_CaptureCreate8(
 117     REFIID riid,
 118     LPDIRECTSOUNDCAPTURE8 *ppDSC8)
 119 {
 120     LPDIRECTSOUNDCAPTURE8 pDSC8;
 121     HRESULT hr;
 122     TRACE("(%s, %p)\n", debugstr_guid(riid), ppDSC8);
 123
 124     if (!IsEqualIID(riid, &IID_IUnknown) &&
 125         !IsEqualIID(riid, &IID_IDirectSoundCapture8)) {
 126         *ppDSC8 = 0;
 127         return E_NOINTERFACE;
 128     }
 129
 130     /* Get dsound configuration */
 131     setup_dsound_options();
 132
 133     hr = IDirectSoundCaptureImpl_Create(&pDSC8);
 134     if (hr == DS_OK) {
 135         IDirectSoundCapture_AddRef(pDSC8);
 136         *ppDSC8 = pDSC8;
 137     } else {
 138         WARN("IDirectSoundCaptureImpl_Create failed\n");
 139         *ppDSC8 = 0;
 140     }
 141
 142     return hr;
 143 }
 144
 145 /***************************************************************************
 146  * DirectSoundCaptureCreate [DSOUND.6]
 147  *
 148  * Create and initialize a DirectSoundCapture interface.
 149  *
 150  * PARAMS
 151  *    lpcGUID   [I] Address of the GUID that identifies the sound capture device.
 152  *    lplpDSC   [O] Address of a variable to receive the interface pointer.
 153  *    pUnkOuter [I] Must be NULL.
 154  *
 155  * RETURNS
 156  *    Success: DS_OK
 157  *    Failure: DSERR_NOAGGREGATION, DSERR_ALLOCATED, DSERR_INVALIDPARAM,
 158  *             DSERR_OUTOFMEMORY
 159  *
 160  * NOTES
 161  *    lpcGUID must be one of the values returned from DirectSoundCaptureEnumerate
 162  *    or NULL for the default device or DSDEVID_DefaultCapture or
 163  *    DSDEVID_DefaultVoiceCapture.
 164  *
 165  *    DSERR_ALLOCATED is returned for sound devices that do not support full duplex.
 166  */
 167 HRESULT WINAPI DirectSoundCaptureCreate(
 168     LPCGUID lpcGUID,
 169     LPDIRECTSOUNDCAPTURE *ppDSC,
 170     LPUNKNOWN pUnkOuter)
 171 {
 172     HRESULT hr;
 173     LPDIRECTSOUNDCAPTURE pDSC;
 174     TRACE("(%s,%p,%p)\n", debugstr_guid(lpcGUID), ppDSC, pUnkOuter);
 175
 176     if (ppDSC == NULL) {
 177         WARN("invalid parameter: ppDSC == NULL\n");
 178         return DSERR_INVALIDPARAM;
 179     }
 180
 181     if (pUnkOuter) {
 182         WARN("invalid parameter: pUnkOuter != NULL\n");
 183         *ppDSC = NULL;
 184         return DSERR_NOAGGREGATION;
 185     }
 186
 187     hr = DSOUND_CaptureCreate(&IID_IDirectSoundCapture, &pDSC);
 188     if (hr == DS_OK) {
 189         hr = IDirectSoundCapture_Initialize(pDSC, lpcGUID);
 190         if (hr != DS_OK) {
 191             IDirectSoundCapture_Release(pDSC);
 192             pDSC = 0;
 193         }
 194     }
 195
 196     *ppDSC = pDSC;
 197
 198     return hr;
 199 }
 200
 201 /***************************************************************************
 202  * DirectSoundCaptureCreate8 [DSOUND.12]
 203  *
 204  * Create and initialize a DirectSoundCapture interface.
 205  *
 206  * PARAMS
 207  *    lpcGUID   [I] Address of the GUID that identifies the sound capture device.
 208  *    lplpDSC   [O] Address of a variable to receive the interface pointer.
 209  *    pUnkOuter [I] Must be NULL.
 210  *
 211  * RETURNS
 212  *    Success: DS_OK
 213  *    Failure: DSERR_NOAGGREGATION, DSERR_ALLOCATED, DSERR_INVALIDPARAM,
 214  *             DSERR_OUTOFMEMORY
 215  *
 216  * NOTES
 217  *    lpcGUID must be one of the values returned from DirectSoundCaptureEnumerate
 218  *    or NULL for the default device or DSDEVID_DefaultCapture or
 219  *    DSDEVID_DefaultVoiceCapture.
 220  *
 221  *    DSERR_ALLOCATED is returned for sound devices that do not support full duplex.
 222  */
 223 HRESULT WINAPI DirectSoundCaptureCreate8(
 224     LPCGUID lpcGUID,
 225     LPDIRECTSOUNDCAPTURE8 *ppDSC8,
 226     LPUNKNOWN pUnkOuter)
 227 {
 228     HRESULT hr;
 229     LPDIRECTSOUNDCAPTURE8 pDSC8;
 230     TRACE("(%s,%p,%p)\n", debugstr_guid(lpcGUID), ppDSC8, pUnkOuter);
 231
 232     if (ppDSC8 == NULL) {
 233         WARN("invalid parameter: ppDSC8 == NULL\n");
 234         return DSERR_INVALIDPARAM;
 235     }
 236
 237     if (pUnkOuter) {
 238         WARN("invalid parameter: pUnkOuter != NULL\n");
 239         *ppDSC8 = NULL;
 240         return DSERR_NOAGGREGATION;
 241     }
 242
 243     hr = DSOUND_CaptureCreate8(&IID_IDirectSoundCapture8, &pDSC8);
 244     if (hr == DS_OK) {
 245         hr = IDirectSoundCapture_Initialize(pDSC8, lpcGUID);
 246         if (hr != DS_OK) {
 247             IDirectSoundCapture_Release(pDSC8);
 248             pDSC8 = 0;
 249         }
 250     }
 251
 252     *ppDSC8 = pDSC8;
 253
 254     return hr;
 255 }
 256
 257 /***************************************************************************
 258  * DirectSoundCaptureEnumerateA [DSOUND.7]
 259  *
 260  * Enumerate all DirectSound drivers installed in the system.
 261  *
 262  * PARAMS
 263  *    lpDSEnumCallback  [I] Address of callback function.
 264  *    lpContext         [I] Address of user defined context passed to callback function.
 265  *
 266  * RETURNS
 267  *    Success: DS_OK
 268  *    Failure: DSERR_INVALIDPARAM
 269  */
 270 HRESULT WINAPI
 271 DirectSoundCaptureEnumerateA(
 272     LPDSENUMCALLBACKA lpDSEnumCallback,
 273     LPVOID lpContext)
 274 {
 275     unsigned devs, wid;
 276     DSDRIVERDESC desc;
 277     GUID guid;
 278     int err;
 279
 280     TRACE("(%p,%p)\n", lpDSEnumCallback, lpContext );
 281
 282     if (lpDSEnumCallback == NULL) {
 283         WARN("invalid parameter: lpDSEnumCallback == NULL\n");
 284         return DSERR_INVALIDPARAM;
 285     }
 286
 287     devs = waveInGetNumDevs();
 288     if (devs > 0) {
 289         if (GetDeviceID(&DSDEVID_DefaultCapture, &guid) == DS_OK) {
 290             for (wid = 0; wid < devs; ++wid) {
 291                 if (IsEqualGUID( &guid, &DSOUND_capture_guids[wid] ) ) {
 292                     err = mmErr(waveInMessage((HWAVEIN)wid,DRV_QUERYDSOUNDDESC,(DWORD_PTR)&desc,0));
 293                     if (err == DS_OK) {
 294                         TRACE("calling lpDSEnumCallback(NULL,\"%s\",\"%s\",%p)\n",
 295                               "Primary Sound Capture Driver",desc.szDrvname,lpContext);
 296                         if (lpDSEnumCallback(NULL, "Primary Sound Capture Driver", desc.szDrvname, lpContext) == FALSE)
 297                             return DS_OK;
 298                     }
 299                 }
 300             }
 301         }
 302     }
 303
 304     for (wid = 0; wid < devs; ++wid) {
 305         err = mmErr(waveInMessage((HWAVEIN)wid,DRV_QUERYDSOUNDDESC,(DWORD_PTR)&desc,0));
 306         if (err == DS_OK) {
 307             TRACE("calling lpDSEnumCallback(%s,\"%s\",\"%s\",%p)\n",
 308                   debugstr_guid(&DSOUND_capture_guids[wid]),desc.szDesc,desc.szDrvname,lpContext);
 309             if (lpDSEnumCallback(&DSOUND_capture_guids[wid], desc.szDesc, desc.szDrvname, lpContext) == FALSE)
 310                 return DS_OK;
 311         }
 312     }
 313
 314     return DS_OK;
 315 }
 316
 317 /***************************************************************************
 318  * DirectSoundCaptureEnumerateW [DSOUND.8]
 319  *
 320  * Enumerate all DirectSound drivers installed in the system.
 321  *
 322  * PARAMS
 323  *    lpDSEnumCallback  [I] Address of callback function.
 324  *    lpContext         [I] Address of user defined context passed to callback function.
 325  *
 326  * RETURNS
 327  *    Success: DS_OK
 328  *    Failure: DSERR_INVALIDPARAM
 329  */
 330 HRESULT WINAPI
 331 DirectSoundCaptureEnumerateW(
 332     LPDSENUMCALLBACKW lpDSEnumCallback,
 333     LPVOID lpContext)
 334 {
 335     unsigned devs, wid;
 336     DSDRIVERDESC desc;
 337     GUID guid;
 338     int err;
 339     WCHAR wDesc[MAXPNAMELEN];
 340     WCHAR wName[MAXPNAMELEN];
 341
 342     TRACE("(%p,%p)\n", lpDSEnumCallback, lpContext );
 343
 344     if (lpDSEnumCallback == NULL) {
 345         WARN("invalid parameter: lpDSEnumCallback == NULL\n");
 346         return DSERR_INVALIDPARAM;
 347     }
 348
 349     devs = waveInGetNumDevs();
 350     if (devs > 0) {
 351         if (GetDeviceID(&DSDEVID_DefaultCapture, &guid) == DS_OK) {
 352             for (wid = 0; wid < devs; ++wid) {
 353                 if (IsEqualGUID( &guid, &DSOUND_capture_guids[wid] ) ) {
 354                     err = mmErr(waveInMessage((HWAVEIN)wid,DRV_QUERYDSOUNDDESC,(DWORD_PTR)&desc,0));
 355                     if (err == DS_OK) {
 356                         TRACE("calling lpDSEnumCallback(NULL,\"%s\",\"%s\",%p)\n",
 357                               "Primary Sound Capture Driver",desc.szDrvname,lpContext);
 358                         MultiByteToWideChar( CP_ACP, 0, "Primary Sound Capture Driver", -1,
 359                                              wDesc, sizeof(wDesc)/sizeof(WCHAR) );
 360                         MultiByteToWideChar( CP_ACP, 0, desc.szDrvname, -1,
 361                                              wName, sizeof(wName)/sizeof(WCHAR) );
 362                         if (lpDSEnumCallback(NULL, wDesc, wName, lpContext) == FALSE)
 363                             return DS_OK;
 364                     }
 365                 }
 366             }
 367         }
 368     }
 369
 370     for (wid = 0; wid < devs; ++wid) {
 371         err = mmErr(waveInMessage((HWAVEIN)wid,DRV_QUERYDSOUNDDESC,(DWORD_PTR)&desc,0));
 372         if (err == DS_OK) {
 373             TRACE("calling lpDSEnumCallback(%s,\"%s\",\"%s\",%p)\n",
 374                   debugstr_guid(&DSOUND_capture_guids[wid]),desc.szDesc,desc.szDrvname,lpContext);
 375             MultiByteToWideChar( CP_ACP, 0, desc.szDesc, -1,
 376                                  wDesc, sizeof(wDesc)/sizeof(WCHAR) );
 377             MultiByteToWideChar( CP_ACP, 0, desc.szDrvname, -1,
 378                                  wName, sizeof(wName)/sizeof(WCHAR) );
 379             if (lpDSEnumCallback((LPGUID)&DSOUND_capture_guids[wid], wDesc, wName, lpContext) == FALSE)
 380                 return DS_OK;
 381         }
 382     }
 383
 384     return DS_OK;
 385 }
 386
 387 static void CALLBACK
 388 DSOUND_capture_callback(
 389     HWAVEIN hwi,
 390     UINT msg,
 391     DWORD dwUser,
 392     DWORD dw1,
 393     DWORD dw2 )
 394 {
 395     DirectSoundCaptureDevice * This = (DirectSoundCaptureDevice*)dwUser;
 396     TRACE("(%p,%08x(%s),%08x,%08x,%08x) entering at %d\n",hwi,msg,
 397         msg == MM_WIM_OPEN ? "MM_WIM_OPEN" : msg == MM_WIM_CLOSE ? "MM_WIM_CLOSE" :
 398         msg == MM_WIM_DATA ? "MM_WIM_DATA" : "UNKNOWN",dwUser,dw1,dw2,GetTickCount());
 399
 400     if (msg == MM_WIM_DATA) {
 401         LPWAVEHDR pHdr = (LPWAVEHDR)dw1;
 402         EnterCriticalSection( &(This->lock) );
 403         TRACE("DirectSoundCapture msg=MM_WIM_DATA, old This->state=%s, old This->index=%d\n",
 404             captureStateString[This->state],This->index);
 405         if (This->state != STATE_STOPPED) {
 406             int index = This->index;
 407             if (This->state == STATE_STARTING) {
 408                 This->read_position = pHdr->dwBytesRecorded;
 409                 This->state = STATE_CAPTURING;
 410             }
 411             if (This->capture_buffer->nrofnotifies)
 412                 SetEvent(This->capture_buffer->notifies[This->index].hEventNotify);
 413             This->index = (This->index + 1) % This->nrofpwaves;
 414             if ( (This->index == 0) && !(This->capture_buffer->flags & DSCBSTART_LOOPING) ) {
 415                 TRACE("end of buffer\n");
 416                 This->state = STATE_STOPPED;
 417             } else {
 418                 if (This->state == STATE_CAPTURING) {
 419                     waveInAddBuffer(hwi, &(This->pwave[index]), sizeof(WAVEHDR));
 420                 } else if (This->state == STATE_STOPPING) {
 421                     TRACE("stopping\n");
 422                     This->state = STATE_STOPPED;
 423                 }
 424             }
 425         }
 426         TRACE("DirectSoundCapture new This->state=%s, new This->index=%d\n",
 427             captureStateString[This->state],This->index);
 428         LeaveCriticalSection( &(This->lock) );
 429     }
 430
 431     TRACE("completed\n");
 432 }
 433
 434 /***************************************************************************
 435  * IDirectSoundCaptureImpl
 436  */
 437 static HRESULT WINAPI
 438 IDirectSoundCaptureImpl_QueryInterface(
 439     LPDIRECTSOUNDCAPTURE iface,
 440     REFIID riid,
 441     LPVOID* ppobj )
 442 {
 443     IDirectSoundCaptureImpl *This = (IDirectSoundCaptureImpl *)iface;
 444     TRACE( "(%p,%s,%p)\n", This, debugstr_guid(riid), ppobj );
 445
 446     if (ppobj == NULL) {
 447         WARN("invalid parameter\n");
 448         return E_INVALIDARG;
 449     }
 450
 451     *ppobj = NULL;
 452
 453     if (IsEqualIID(riid, &IID_IUnknown)) {
 454         IDirectSoundCapture_AddRef((LPDIRECTSOUNDCAPTURE)This);
 455         *ppobj = This;
 456         return DS_OK;
 457     } else if (IsEqualIID(riid, &IID_IDirectSoundCapture)) {
 458         IDirectSoundCapture_AddRef((LPDIRECTSOUNDCAPTURE)This);
 459         *ppobj = This;
 460         return DS_OK;
 461     }
 462
 463     WARN("unsupported riid: %s\n", debugstr_guid(riid));
 464     return E_NOINTERFACE;
 465 }
 466
 467 static ULONG WINAPI
 468 IDirectSoundCaptureImpl_AddRef( LPDIRECTSOUNDCAPTURE iface )
 469 {
 470     IDirectSoundCaptureImpl *This = (IDirectSoundCaptureImpl *)iface;
 471     ULONG ref = InterlockedIncrement(&(This->ref));
 472     TRACE("(%p) ref was %d\n", This, ref - 1);
 473     return ref;
 474 }
 475
 476 static ULONG WINAPI
 477 IDirectSoundCaptureImpl_Release( LPDIRECTSOUNDCAPTURE iface )
 478 {
 479     IDirectSoundCaptureImpl *This = (IDirectSoundCaptureImpl *)iface;
 480     ULONG ref = InterlockedDecrement(&(This->ref));
 481     TRACE("(%p) ref was %d\n", This, ref + 1);
 482
 483     if (!ref) {
 484         if (This->device)
 485             DirectSoundCaptureDevice_Release(This->device);
 486
 487         HeapFree( GetProcessHeap(), 0, This );
 488         TRACE("(%p) released\n", This);
 489     }
 490     return ref;
 491 }
 492
 493 HRESULT WINAPI IDirectSoundCaptureImpl_CreateCaptureBuffer(
 494     LPDIRECTSOUNDCAPTURE iface,
 495     LPCDSCBUFFERDESC lpcDSCBufferDesc,
 496     LPDIRECTSOUNDCAPTUREBUFFER* lplpDSCaptureBuffer,
 497     LPUNKNOWN pUnk )
 498 {
 499     HRESULT hr;
 500     IDirectSoundCaptureImpl *This = (IDirectSoundCaptureImpl *)iface;
 501
 502     TRACE( "(%p,%p,%p,%p)\n",iface,lpcDSCBufferDesc,lplpDSCaptureBuffer,pUnk);
 503
 504     if (lpcDSCBufferDesc == NULL) {
 505         WARN("invalid parameter: lpcDSCBufferDesc == NULL)\n");
 506         return DSERR_INVALIDPARAM;
 507     }
 508
 509     if (lplpDSCaptureBuffer == NULL) {
 510         WARN("invalid parameter: lplpDSCaptureBuffer == NULL\n");
 511         return DSERR_INVALIDPARAM;
 512     }
 513
 514     if (pUnk != NULL) {
 515         WARN("invalid parameter: pUnk != NULL\n");
 516         return DSERR_INVALIDPARAM;
 517     }
 518
 519     /* FIXME: We can only have one buffer so what do we do here? */
 520     if (This->device->capture_buffer) {
 521         WARN("lnvalid parameter: already has buffer\n");
 522         return DSERR_INVALIDPARAM;    /* DSERR_GENERIC ? */
 523     }
 524
 525     hr = IDirectSoundCaptureBufferImpl_Create(This->device,
 526         (IDirectSoundCaptureBufferImpl **)lplpDSCaptureBuffer, lpcDSCBufferDesc);
 527
 528     if (hr != DS_OK)
 529         WARN("IDirectSoundCaptureBufferImpl_Create failed\n");
 530
 531     return hr;
 532 }
 533
 534 HRESULT WINAPI IDirectSoundCaptureImpl_GetCaps(
 535     LPDIRECTSOUNDCAPTURE iface,
 536     LPDSCCAPS lpDSCCaps )
 537 {
 538     IDirectSoundCaptureImpl *This = (IDirectSoundCaptureImpl *)iface;
 539     TRACE("(%p,%p)\n",This,lpDSCCaps);
 540
 541     if (This->device == NULL) {
 542         WARN("not initialized\n");
 543         return DSERR_UNINITIALIZED;
 544     }
 545
 546     if (lpDSCCaps== NULL) {
 547         WARN("invalid parameter: lpDSCCaps== NULL\n");
 548         return DSERR_INVALIDPARAM;
 549     }
 550
 551     if (lpDSCCaps->dwSize < sizeof(*lpDSCCaps)) {
 552         WARN("invalid parameter: lpDSCCaps->dwSize = %d\n", lpDSCCaps->dwSize);
 553         return DSERR_INVALIDPARAM;
 554     }
 555
 556     lpDSCCaps->dwFlags = This->device->drvcaps.dwFlags;
 557     lpDSCCaps->dwFormats = This->device->drvcaps.dwFormats;
 558     lpDSCCaps->dwChannels = This->device->drvcaps.dwChannels;
 559
 560     TRACE("(flags=0x%08x,format=0x%08x,channels=%d)\n",lpDSCCaps->dwFlags,
 561         lpDSCCaps->dwFormats, lpDSCCaps->dwChannels);
 562
 563     return DS_OK;
 564 }
 565
 566 HRESULT WINAPI IDirectSoundCaptureImpl_Initialize(
 567     LPDIRECTSOUNDCAPTURE iface,
 568     LPCGUID lpcGUID )
 569 {
 570     IDirectSoundCaptureImpl *This = (IDirectSoundCaptureImpl *)iface;
 571     TRACE("(%p,%s)\n", This, debugstr_guid(lpcGUID));
 572
 573     if (This->device != NULL) {
 574         WARN("already initialized\n");
 575         return DSERR_ALREADYINITIALIZED;
 576     }
 577
 578     return DirectSoundCaptureDevice_Initialize(&This->device, lpcGUID);
 579 }
 580
 581 static const IDirectSoundCaptureVtbl dscvt =
 582 {
 583     /* IUnknown methods */
 584     IDirectSoundCaptureImpl_QueryInterface,
 585     IDirectSoundCaptureImpl_AddRef,
 586     IDirectSoundCaptureImpl_Release,
 587
 588     /* IDirectSoundCapture methods */
 589     IDirectSoundCaptureImpl_CreateCaptureBuffer,
 590     IDirectSoundCaptureImpl_GetCaps,
 591     IDirectSoundCaptureImpl_Initialize
 592 };
 593
 594 static HRESULT IDirectSoundCaptureImpl_Create(
 595     LPDIRECTSOUNDCAPTURE8 * ppDSC)
 596 {
 597     IDirectSoundCaptureImpl *pDSC;
 598     TRACE("(%p)\n", ppDSC);
 599
 600     /* Allocate memory */
 601     pDSC = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(IDirectSoundCaptureImpl));
 602     if (pDSC == NULL) {
 603         WARN("out of memory\n");
 604         *ppDSC = NULL;
 605         return DSERR_OUTOFMEMORY;
 606     }
 607
 608     pDSC->lpVtbl = &dscvt;
 609     pDSC->ref    = 0;
 610     pDSC->device = NULL;
 611
 612     *ppDSC = (LPDIRECTSOUNDCAPTURE8)pDSC;
 613
 614     return DS_OK;
 615 }
 616
 617 /*******************************************************************************
 618  *              IDirectSoundCaptureNotify
 619  */
 620 static HRESULT WINAPI IDirectSoundCaptureNotifyImpl_QueryInterface(
 621     LPDIRECTSOUNDNOTIFY iface,
 622     REFIID riid,
 623     LPVOID *ppobj)
 624 {
 625     IDirectSoundCaptureNotifyImpl *This = (IDirectSoundCaptureNotifyImpl *)iface;
 626     TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
 627
 628     if (This->dscb == NULL) {
 629         WARN("invalid parameter\n");
 630         return E_INVALIDARG;
 631     }
 632
 633     return IDirectSoundCaptureBuffer_QueryInterface((LPDIRECTSOUNDCAPTUREBUFFER)This->dscb, riid, ppobj);
 634 }
 635
 636 static ULONG WINAPI IDirectSoundCaptureNotifyImpl_AddRef(LPDIRECTSOUNDNOTIFY iface)
 637 {
 638     IDirectSoundCaptureNotifyImpl *This = (IDirectSoundCaptureNotifyImpl *)iface;
 639     ULONG ref = InterlockedIncrement(&(This->ref));
 640     TRACE("(%p) ref was %d\n", This, ref - 1);
 641     return ref;
 642 }
 643
 644 static ULONG WINAPI IDirectSoundCaptureNotifyImpl_Release(LPDIRECTSOUNDNOTIFY iface)
 645 {
 646     IDirectSoundCaptureNotifyImpl *This = (IDirectSoundCaptureNotifyImpl *)iface;
 647     ULONG ref = InterlockedDecrement(&(This->ref));
 648     TRACE("(%p) ref was %d\n", This, ref + 1);
 649
 650     if (!ref) {
 651         if (This->dscb->hwnotify)
 652             IDsDriverNotify_Release(This->dscb->hwnotify);
 653         This->dscb->notify=NULL;
 654         IDirectSoundCaptureBuffer_Release((LPDIRECTSOUNDCAPTUREBUFFER)This->dscb);
 655         HeapFree(GetProcessHeap(),0,This);
 656         TRACE("(%p) released\n", This);
 657     }
 658     return ref;
 659 }
 660
 661 static HRESULT WINAPI IDirectSoundCaptureNotifyImpl_SetNotificationPositions(
 662     LPDIRECTSOUNDNOTIFY iface,
 663     DWORD howmuch,
 664     LPCDSBPOSITIONNOTIFY notify)
 665 {
 666     IDirectSoundCaptureNotifyImpl *This = (IDirectSoundCaptureNotifyImpl *)iface;
 667     TRACE("(%p,0x%08x,%p)\n",This,howmuch,notify);
 668
 669     if (howmuch > 0 && notify == NULL) {
 670         WARN("invalid parameter: notify == NULL\n");
 671         return DSERR_INVALIDPARAM;
 672     }
 673
 674     if (TRACE_ON(dsound)) {
 675         unsigned int i;
 676         for (i=0;i<howmuch;i++)
 677             TRACE("notify at %d to %p\n",
 678             notify[i].dwOffset,notify[i].hEventNotify);
 679     }
 680
 681     if (This->dscb->hwnotify) {
 682         HRESULT hres;
 683         hres = IDsDriverNotify_SetNotificationPositions(This->dscb->hwnotify, howmuch, notify);
 684         if (hres != DS_OK)
 685             WARN("IDsDriverNotify_SetNotificationPositions failed\n");
 686         return hres;
 687     } else if (howmuch > 0) {
 688         /* Make an internal copy of the caller-supplied array.
 689          * Replace the existing copy if one is already present. */
 690         if (This->dscb->notifies)
 691             This->dscb->notifies = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 692                 This->dscb->notifies, howmuch * sizeof(DSBPOSITIONNOTIFY));
 693         else
 694             This->dscb->notifies = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 695                 howmuch * sizeof(DSBPOSITIONNOTIFY));
 696
 697         if (This->dscb->notifies == NULL) {
 698             WARN("out of memory\n");
 699             return DSERR_OUTOFMEMORY;
 700         }
 701         CopyMemory(This->dscb->notifies, notify, howmuch * sizeof(DSBPOSITIONNOTIFY));
 702         This->dscb->nrofnotifies = howmuch;
 703     } else {
 704         HeapFree(GetProcessHeap(), 0, This->dscb->notifies);
 705         This->dscb->notifies = NULL;
 706         This->dscb->nrofnotifies = 0;
 707     }
 708
 709     return S_OK;
 710 }
 711
 712 static const IDirectSoundNotifyVtbl dscnvt =
 713 {
 714     IDirectSoundCaptureNotifyImpl_QueryInterface,
 715     IDirectSoundCaptureNotifyImpl_AddRef,
 716     IDirectSoundCaptureNotifyImpl_Release,
 717     IDirectSoundCaptureNotifyImpl_SetNotificationPositions,
 718 };
 719
 720 static HRESULT IDirectSoundCaptureNotifyImpl_Create(
 721     IDirectSoundCaptureBufferImpl *dscb,
 722     IDirectSoundCaptureNotifyImpl **pdscn)
 723 {
 724     IDirectSoundCaptureNotifyImpl * dscn;
 725     TRACE("(%p,%p)\n",dscb,pdscn);
 726
 727     dscn = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(dscn));
 728
 729     if (dscn == NULL) {
 730         WARN("out of memory\n");
 731         return DSERR_OUTOFMEMORY;
 732     }
 733
 734     dscn->ref = 0;
 735     dscn->lpVtbl = &dscnvt;
 736     dscn->dscb = dscb;
 737     dscb->notify = dscn;
 738     IDirectSoundCaptureBuffer_AddRef((LPDIRECTSOUNDCAPTUREBUFFER)dscb);
 739
 740     *pdscn = dscn;
 741     return DS_OK;
 742 }
 743
 744 /*******************************************************************************
 745  *              IDirectSoundCaptureBuffer
 746  */
 747 static HRESULT WINAPI
 748 IDirectSoundCaptureBufferImpl_QueryInterface(
 749     LPDIRECTSOUNDCAPTUREBUFFER8 iface,
 750     REFIID riid,
 751     LPVOID* ppobj )
 752 {
 753     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
 754     HRESULT hres;
 755     TRACE( "(%p,%s,%p)\n", This, debugstr_guid(riid), ppobj );
 756
 757     if (ppobj == NULL) {
 758         WARN("invalid parameter\n");
 759         return E_INVALIDARG;
 760     }
 761
 762     *ppobj = NULL;
 763
 764     if ( IsEqualGUID( &IID_IDirectSoundNotify, riid ) ) {
 765         if (!This->notify)
 766             hres = IDirectSoundCaptureNotifyImpl_Create(This, &This->notify);
 767         if (This->notify) {
 768             if (This->device->hwbuf) {
 769                 hres = IDsCaptureDriverBuffer_QueryInterface(This->device->hwbuf,
 770                     &IID_IDsDriverNotify, (LPVOID*)&(This->hwnotify));
 771                 if (hres != DS_OK) {
 772                     WARN("IDsCaptureDriverBuffer_QueryInterface failed\n");
 773                     *ppobj = 0;
 774                     return hres;
 775                 }
 776             }
 777
 778             IDirectSoundNotify_AddRef((LPDIRECTSOUNDNOTIFY)This->notify);
 779             *ppobj = (LPVOID)This->notify;
 780             return DS_OK;
 781         }
 782
 783         WARN("IID_IDirectSoundNotify\n");
 784         return E_FAIL;
 785     }
 786
 787     if ( IsEqualGUID( &IID_IDirectSoundCaptureBuffer, riid ) ||
 788          IsEqualGUID( &IID_IDirectSoundCaptureBuffer8, riid ) ) {
 789         IDirectSoundCaptureBuffer8_AddRef(iface);
 790         *ppobj = This;
 791         return NO_ERROR;
 792     }
 793
 794     FIXME("(%p,%s,%p) unsupported GUID\n", This, debugstr_guid(riid), ppobj);
 795     return E_NOINTERFACE;
 796 }
 797
 798 static ULONG WINAPI
 799 IDirectSoundCaptureBufferImpl_AddRef( LPDIRECTSOUNDCAPTUREBUFFER8 iface )
 800 {
 801     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
 802     ULONG ref = InterlockedIncrement(&(This->ref));
 803     TRACE("(%p) ref was %d\n", This, ref - 1);
 804     return ref;
 805 }
 806
 807 static ULONG WINAPI
 808 IDirectSoundCaptureBufferImpl_Release( LPDIRECTSOUNDCAPTUREBUFFER8 iface )
 809 {
 810     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
 811     ULONG ref = InterlockedDecrement(&(This->ref));
 812     TRACE("(%p) ref was %d\n", This, ref + 1);
 813
 814     if (!ref) {
 815         TRACE("deleting object\n");
 816         if (This->device->state == STATE_CAPTURING)
 817             This->device->state = STATE_STOPPING;
 818
 819         HeapFree(GetProcessHeap(),0, This->pdscbd);
 820
 821         if (This->device->hwi) {
 822             waveInReset(This->device->hwi);
 823             waveInClose(This->device->hwi);
 824             HeapFree(GetProcessHeap(),0, This->device->pwave);
 825             This->device->pwave = 0;
 826             This->device->hwi = 0;
 827         }
 828
 829         if (This->device->hwbuf)
 830             IDsCaptureDriverBuffer_Release(This->device->hwbuf);
 831
 832         /* remove from DirectSoundCaptureDevice */
 833         This->device->capture_buffer = NULL;
 834
 835         if (This->notify)
 836             IDirectSoundNotify_Release((LPDIRECTSOUNDNOTIFY)This->notify);
 837
 838         HeapFree(GetProcessHeap(), 0, This->notifies);
 839         HeapFree( GetProcessHeap(), 0, This );
 840         TRACE("(%p) released\n", This);
 841     }
 842     return ref;
 843 }
 844
 845 static HRESULT WINAPI
 846 IDirectSoundCaptureBufferImpl_GetCaps(
 847     LPDIRECTSOUNDCAPTUREBUFFER8 iface,
 848     LPDSCBCAPS lpDSCBCaps )
 849 {
 850     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
 851     TRACE( "(%p,%p)\n", This, lpDSCBCaps );
 852
 853     if (lpDSCBCaps == NULL) {
 854         WARN("invalid parameter: lpDSCBCaps == NULL\n");
 855         return DSERR_INVALIDPARAM;
 856     }
 857
 858     if (lpDSCBCaps->dwSize < sizeof(DSCBCAPS)) {
 859         WARN("invalid parameter: lpDSCBCaps->dwSize = %d\n", lpDSCBCaps->dwSize);
 860         return DSERR_INVALIDPARAM;
 861     }
 862
 863     if (This->device == NULL) {
 864         WARN("invalid parameter: This->device == NULL\n");
 865         return DSERR_INVALIDPARAM;
 866     }
 867
 868     lpDSCBCaps->dwSize = sizeof(DSCBCAPS);
 869     lpDSCBCaps->dwFlags = This->flags;
 870     lpDSCBCaps->dwBufferBytes = This->pdscbd->dwBufferBytes;
 871     lpDSCBCaps->dwReserved = 0;
 872
 873     TRACE("returning DS_OK\n");
 874     return DS_OK;
 875 }
 876
 877 static HRESULT WINAPI
 878 IDirectSoundCaptureBufferImpl_GetCurrentPosition(
 879     LPDIRECTSOUNDCAPTUREBUFFER8 iface,
 880     LPDWORD lpdwCapturePosition,
 881     LPDWORD lpdwReadPosition )
 882 {
 883     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
 884     HRESULT hres = DS_OK;
 885     TRACE( "(%p,%p,%p)\n", This, lpdwCapturePosition, lpdwReadPosition );
 886
 887     if (This->device == NULL) {
 888         WARN("invalid parameter: This->device == NULL\n");
 889         return DSERR_INVALIDPARAM;
 890     }
 891
 892     if (This->device->driver) {
 893         hres = IDsCaptureDriverBuffer_GetPosition(This->device->hwbuf, lpdwCapturePosition, lpdwReadPosition );
 894         if (hres != DS_OK)
 895             WARN("IDsCaptureDriverBuffer_GetPosition failed\n");
 896     } else if (This->device->hwi) {
 897         TRACE("old This->device->state=%s\n",captureStateString[This->device->state]);
 898         if (lpdwCapturePosition) {
 899             MMTIME mtime;
 900             mtime.wType = TIME_BYTES;
 901             waveInGetPosition(This->device->hwi, &mtime, sizeof(mtime));
 902             TRACE("mtime.u.cb=%d,This->device->buflen=%d\n", mtime.u.cb,
 903                 This->device->buflen);
 904             mtime.u.cb = mtime.u.cb % This->device->buflen;
 905             *lpdwCapturePosition = mtime.u.cb;
 906         }
 907
 908         EnterCriticalSection(&(This->device->lock));
 909         if (lpdwReadPosition) {
 910             if (This->device->state == STATE_STARTING) {
 911                 if (lpdwCapturePosition)
 912                     This->device->read_position = *lpdwCapturePosition;
 913                 This->device->state = STATE_CAPTURING;
 914             }
 915             *lpdwReadPosition = This->device->read_position;
 916         }
 917         TRACE("new This->device->state=%s\n",captureStateString[This->device->state]);
 918         LeaveCriticalSection(&(This->device->lock));
 919         if (lpdwCapturePosition) TRACE("*lpdwCapturePosition=%d\n",*lpdwCapturePosition);
 920         if (lpdwReadPosition) TRACE("*lpdwReadPosition=%d\n",*lpdwReadPosition);
 921     } else {
 922         WARN("no driver\n");
 923         hres = DSERR_NODRIVER;
 924     }
 925
 926     TRACE("returning %08x\n", hres);
 927     return hres;
 928 }
 929
 930 static HRESULT WINAPI
 931 IDirectSoundCaptureBufferImpl_GetFormat(
 932     LPDIRECTSOUNDCAPTUREBUFFER8 iface,
 933     LPWAVEFORMATEX lpwfxFormat,
 934     DWORD dwSizeAllocated,
 935     LPDWORD lpdwSizeWritten )
 936 {
 937     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
 938     HRESULT hres = DS_OK;
 939     TRACE( "(%p,%p,0x%08x,%p)\n", This, lpwfxFormat, dwSizeAllocated,
 940         lpdwSizeWritten );
 941
 942     if (This->device == NULL) {
 943         WARN("invalid parameter: This->device == NULL\n");
 944         return DSERR_INVALIDPARAM;
 945     }
 946
 947     if (dwSizeAllocated > (sizeof(WAVEFORMATEX) + This->device->pwfx->cbSize))
 948         dwSizeAllocated = sizeof(WAVEFORMATEX) + This->device->pwfx->cbSize;
 949
 950     if (lpwfxFormat) { /* NULL is valid (just want size) */
 951         CopyMemory(lpwfxFormat, This->device->pwfx, dwSizeAllocated);
 952         if (lpdwSizeWritten)
 953             *lpdwSizeWritten = dwSizeAllocated;
 954     } else {
 955         if (lpdwSizeWritten)
 956             *lpdwSizeWritten = sizeof(WAVEFORMATEX) + This->device->pwfx->cbSize;
 957         else {
 958             TRACE("invalid parameter: lpdwSizeWritten = NULL\n");
 959             hres = DSERR_INVALIDPARAM;
 960         }
 961     }
 962
 963     TRACE("returning %08x\n", hres);
 964     return hres;
 965 }
 966
 967 static HRESULT WINAPI
 968 IDirectSoundCaptureBufferImpl_GetStatus(
 969     LPDIRECTSOUNDCAPTUREBUFFER8 iface,
 970     LPDWORD lpdwStatus )
 971 {
 972     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
 973     TRACE( "(%p, %p), thread is %04x\n", This, lpdwStatus, GetCurrentThreadId() );
 974
 975     if (This->device == NULL) {
 976         WARN("invalid parameter: This->device == NULL\n");
 977         return DSERR_INVALIDPARAM;
 978     }
 979
 980     if (lpdwStatus == NULL) {
 981         WARN("invalid parameter: lpdwStatus == NULL\n");
 982         return DSERR_INVALIDPARAM;
 983     }
 984
 985     *lpdwStatus = 0;
 986     EnterCriticalSection(&(This->device->lock));
 987
 988     TRACE("old This->device->state=%s, old lpdwStatus=%08x\n",
 989         captureStateString[This->device->state],*lpdwStatus);
 990     if ((This->device->state == STATE_STARTING) ||
 991         (This->device->state == STATE_CAPTURING)) {
 992         *lpdwStatus |= DSCBSTATUS_CAPTURING;
 993         if (This->flags & DSCBSTART_LOOPING)
 994             *lpdwStatus |= DSCBSTATUS_LOOPING;
 995     }
 996     TRACE("new This->device->state=%s, new lpdwStatus=%08x\n",
 997         captureStateString[This->device->state],*lpdwStatus);
 998     LeaveCriticalSection(&(This->device->lock));
 999
1000     TRACE("status=%x\n", *lpdwStatus);
1001     TRACE("returning DS_OK\n");
1002     return DS_OK;
1003 }
1004
1005 static HRESULT WINAPI
1006 IDirectSoundCaptureBufferImpl_Initialize(
1007     LPDIRECTSOUNDCAPTUREBUFFER8 iface,
1008     LPDIRECTSOUNDCAPTURE lpDSC,
1009     LPCDSCBUFFERDESC lpcDSCBDesc )
1010 {
1011     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
1012
1013     FIXME( "(%p,%p,%p): stub\n", This, lpDSC, lpcDSCBDesc );
1014
1015     return DS_OK;
1016 }
1017
1018 static HRESULT WINAPI
1019 IDirectSoundCaptureBufferImpl_Lock(
1020     LPDIRECTSOUNDCAPTUREBUFFER8 iface,
1021     DWORD dwReadCusor,
1022     DWORD dwReadBytes,
1023     LPVOID* lplpvAudioPtr1,
1024     LPDWORD lpdwAudioBytes1,
1025     LPVOID* lplpvAudioPtr2,
1026     LPDWORD lpdwAudioBytes2,
1027     DWORD dwFlags )
1028 {
1029     HRESULT hres = DS_OK;
1030     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
1031     TRACE( "(%p,%08u,%08u,%p,%p,%p,%p,0x%08x) at %d\n", This, dwReadCusor,
1032         dwReadBytes, lplpvAudioPtr1, lpdwAudioBytes1, lplpvAudioPtr2,
1033         lpdwAudioBytes2, dwFlags, GetTickCount() );
1034
1035     if (This->device == NULL) {
1036         WARN("invalid parameter: This->device == NULL\n");
1037         return DSERR_INVALIDPARAM;
1038     }
1039
1040     if (lplpvAudioPtr1 == NULL) {
1041         WARN("invalid parameter: lplpvAudioPtr1 == NULL\n");
1042         return DSERR_INVALIDPARAM;
1043     }
1044
1045     if (lpdwAudioBytes1 == NULL) {
1046         WARN("invalid parameter: lpdwAudioBytes1 == NULL\n");
1047         return DSERR_INVALIDPARAM;
1048     }
1049
1050     EnterCriticalSection(&(This->device->lock));
1051
1052     if (This->device->driver) {
1053         hres = IDsCaptureDriverBuffer_Lock(This->device->hwbuf, lplpvAudioPtr1,
1054                                            lpdwAudioBytes1, lplpvAudioPtr2,
1055                                            lpdwAudioBytes2, dwReadCusor,
1056                                            dwReadBytes, dwFlags);
1057         if (hres != DS_OK)
1058             WARN("IDsCaptureDriverBuffer_Lock failed\n");
1059     } else if (This->device->hwi) {
1060         *lplpvAudioPtr1 = This->device->buffer + dwReadCusor;
1061         if ( (dwReadCusor + dwReadBytes) > This->device->buflen) {
1062             *lpdwAudioBytes1 = This->device->buflen - dwReadCusor;
1063             if (lplpvAudioPtr2)
1064                 *lplpvAudioPtr2 = This->device->buffer;
1065             if (lpdwAudioBytes2)
1066                 *lpdwAudioBytes2 = dwReadBytes - *lpdwAudioBytes1;
1067         } else {
1068             *lpdwAudioBytes1 = dwReadBytes;
1069             if (lplpvAudioPtr2)
1070                 *lplpvAudioPtr2 = 0;
1071             if (lpdwAudioBytes2)
1072                 *lpdwAudioBytes2 = 0;
1073         }
1074     } else {
1075         TRACE("invalid call\n");
1076         hres = DSERR_INVALIDCALL;   /* DSERR_NODRIVER ? */
1077     }
1078
1079     LeaveCriticalSection(&(This->device->lock));
1080
1081     TRACE("returning %08x\n", hres);
1082     return hres;
1083 }
1084
1085 static HRESULT WINAPI
1086 IDirectSoundCaptureBufferImpl_Start(
1087     LPDIRECTSOUNDCAPTUREBUFFER8 iface,
1088     DWORD dwFlags )
1089 {
1090     HRESULT hres = DS_OK;
1091     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
1092     TRACE( "(%p,0x%08x)\n", This, dwFlags );
1093
1094     if (This->device == NULL) {
1095         WARN("invalid parameter: This->device == NULL\n");
1096         return DSERR_INVALIDPARAM;
1097     }
1098
1099     if ( (This->device->driver == 0) && (This->device->hwi == 0) ) {
1100         WARN("no driver\n");
1101         return DSERR_NODRIVER;
1102     }
1103
1104     EnterCriticalSection(&(This->device->lock));
1105
1106     This->flags = dwFlags;
1107     TRACE("old This->state=%s\n",captureStateString[This->device->state]);
1108     if (This->device->state == STATE_STOPPED)
1109         This->device->state = STATE_STARTING;
1110     else if (This->device->state == STATE_STOPPING)
1111         This->device->state = STATE_CAPTURING;
1112     TRACE("new This->device->state=%s\n",captureStateString[This->device->state]);
1113
1114     LeaveCriticalSection(&(This->device->lock));
1115
1116     if (This->device->driver) {
1117         hres = IDsCaptureDriverBuffer_Start(This->device->hwbuf, dwFlags);
1118         if (hres != DS_OK)
1119             WARN("IDsCaptureDriverBuffer_Start failed\n");
1120     } else if (This->device->hwi) {
1121         DirectSoundCaptureDevice *device = This->device;
1122
1123         if (device->buffer) {
1124             if (This->nrofnotifies) {
1125                 int c;
1126
1127                 device->nrofpwaves = This->nrofnotifies;
1128                 TRACE("nrofnotifies=%d\n", This->nrofnotifies);
1129
1130                 /* prepare headers */
1131                 if (device->pwave)
1132                     device->pwave = HeapReAlloc(GetProcessHeap(),0,device->pwave,
1133                         device->nrofpwaves*sizeof(WAVEHDR));
1134                 else
1135                     device->pwave = HeapAlloc(GetProcessHeap(),0,
1136                         device->nrofpwaves*sizeof(WAVEHDR));
1137
1138                 for (c = 0; c < device->nrofpwaves; c++) {
1139                     if (This->notifies[c].dwOffset == DSBPN_OFFSETSTOP) {
1140                         TRACE("got DSBPN_OFFSETSTOP\n");
1141                         device->nrofpwaves = c;
1142                         break;
1143                     }
1144                     if (c == 0) {
1145                         device->pwave[0].lpData = (LPSTR)device->buffer;
1146                         device->pwave[0].dwBufferLength =
1147                             This->notifies[0].dwOffset + 1;
1148                     } else {
1149                         device->pwave[c].lpData = (LPSTR)device->buffer +
1150                             This->notifies[c-1].dwOffset + 1;
1151                         device->pwave[c].dwBufferLength =
1152                             This->notifies[c].dwOffset -
1153                             This->notifies[c-1].dwOffset;
1154                     }
1155                     device->pwave[c].dwBytesRecorded = 0;
1156                     device->pwave[c].dwUser = (DWORD)device;
1157                     device->pwave[c].dwFlags = 0;
1158                     device->pwave[c].dwLoops = 0;
1159                     hres = mmErr(waveInPrepareHeader(device->hwi,
1160                         &(device->pwave[c]),sizeof(WAVEHDR)));
1161                     if (hres != DS_OK) {
1162                         WARN("waveInPrepareHeader failed\n");
1163                         while (c--)
1164                             waveInUnprepareHeader(device->hwi,
1165                                 &(device->pwave[c]),sizeof(WAVEHDR));
1166                         break;
1167                     }
1168
1169                     hres = mmErr(waveInAddBuffer(device->hwi,
1170                         &(device->pwave[c]), sizeof(WAVEHDR)));
1171                     if (hres != DS_OK) {
1172                         WARN("waveInAddBuffer failed\n");
1173                         while (c--)
1174                             waveInUnprepareHeader(device->hwi,
1175                                 &(device->pwave[c]),sizeof(WAVEHDR));
1176                         break;
1177                     }
1178                 }
1179
1180                 FillMemory(device->buffer, device->buflen,
1181                     (device->pwfx->wBitsPerSample == 8) ? 128 : 0);
1182             } else {
1183                 TRACE("no notifiers specified\n");
1184                 /* no notifiers specified so just create a single default header */
1185                 device->nrofpwaves = 1;
1186                 if (device->pwave)
1187                     device->pwave = HeapReAlloc(GetProcessHeap(),0,device->pwave,sizeof(WAVEHDR));
1188                 else
1189                     device->pwave = HeapAlloc(GetProcessHeap(),0,sizeof(WAVEHDR));
1190
1191                 device->pwave[0].lpData = (LPSTR)device->buffer;
1192                 device->pwave[0].dwBufferLength = device->buflen;
1193                 device->pwave[0].dwBytesRecorded = 0;
1194                 device->pwave[0].dwUser = (DWORD)device;
1195                 device->pwave[0].dwFlags = 0;
1196                 device->pwave[0].dwLoops = 0;
1197
1198                 hres = mmErr(waveInPrepareHeader(device->hwi,
1199                     &(device->pwave[0]),sizeof(WAVEHDR)));
1200                 if (hres != DS_OK) {
1201                     WARN("waveInPrepareHeader failed\n");
1202                     waveInUnprepareHeader(device->hwi,
1203                         &(device->pwave[0]),sizeof(WAVEHDR));
1204                 }
1205                 hres = mmErr(waveInAddBuffer(device->hwi,
1206                     &(device->pwave[0]), sizeof(WAVEHDR)));
1207                 if (hres != DS_OK) {
1208                     WARN("waveInAddBuffer failed\n");
1209                     waveInUnprepareHeader(device->hwi,
1210                         &(device->pwave[0]),sizeof(WAVEHDR));
1211                 }
1212             }
1213         }
1214
1215         device->index = 0;
1216         device->read_position = 0;
1217
1218         if (hres == DS_OK) {
1219             /* start filling the first buffer */
1220             hres = mmErr(waveInStart(device->hwi));
1221             if (hres != DS_OK)
1222                 WARN("waveInStart failed\n");
1223         }
1224
1225         if (hres != DS_OK) {
1226             WARN("calling waveInClose because of error\n");
1227             waveInClose(device->hwi);
1228             device->hwi = 0;
1229         }
1230     } else {
1231         WARN("no driver\n");
1232         hres = DSERR_NODRIVER;
1233     }
1234
1235     TRACE("returning %08x\n", hres);
1236     return hres;
1237 }
1238
1239 static HRESULT WINAPI
1240 IDirectSoundCaptureBufferImpl_Stop( LPDIRECTSOUNDCAPTUREBUFFER8 iface )
1241 {
1242     HRESULT hres = DS_OK;
1243     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
1244     TRACE( "(%p)\n", This );
1245
1246     if (This->device == NULL) {
1247         WARN("invalid parameter: This->device == NULL\n");
1248         return DSERR_INVALIDPARAM;
1249     }
1250
1251     EnterCriticalSection(&(This->device->lock));
1252
1253     TRACE("old This->device->state=%s\n",captureStateString[This->device->state]);
1254     if (This->device->state == STATE_CAPTURING)
1255         This->device->state = STATE_STOPPING;
1256     else if (This->device->state == STATE_STARTING)
1257         This->device->state = STATE_STOPPED;
1258     TRACE("new This->device->state=%s\n",captureStateString[This->device->state]);
1259
1260     LeaveCriticalSection(&(This->device->lock));
1261
1262     if (This->device->driver) {
1263         hres = IDsCaptureDriverBuffer_Stop(This->device->hwbuf);
1264         if (hres != DS_OK)
1265             WARN("IDsCaptureDriverBuffer_Stop() failed\n");
1266     } else if (This->device->hwi) {
1267         hres = mmErr(waveInReset(This->device->hwi));
1268         if (hres != DS_OK)
1269             WARN("waveInReset() failed\n");
1270     } else {
1271         WARN("no driver\n");
1272         hres = DSERR_NODRIVER;
1273     }
1274
1275     TRACE("returning %08x\n", hres);
1276     return hres;
1277 }
1278
1279 static HRESULT WINAPI
1280 IDirectSoundCaptureBufferImpl_Unlock(
1281     LPDIRECTSOUNDCAPTUREBUFFER8 iface,
1282     LPVOID lpvAudioPtr1,
1283     DWORD dwAudioBytes1,
1284     LPVOID lpvAudioPtr2,
1285     DWORD dwAudioBytes2 )
1286 {
1287     HRESULT hres = DS_OK;
1288     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
1289     TRACE( "(%p,%p,%08u,%p,%08u)\n", This, lpvAudioPtr1, dwAudioBytes1,
1290         lpvAudioPtr2, dwAudioBytes2 );
1291
1292     if (lpvAudioPtr1 == NULL) {
1293         WARN("invalid parameter: lpvAudioPtr1 == NULL\n");
1294         return DSERR_INVALIDPARAM;
1295     }
1296
1297     if (This->device->driver) {
1298         hres = IDsCaptureDriverBuffer_Unlock(This->device->hwbuf, lpvAudioPtr1,
1299                                              dwAudioBytes1, lpvAudioPtr2, dwAudioBytes2);
1300         if (hres != DS_OK)
1301             WARN("IDsCaptureDriverBuffer_Unlock failed\n");
1302     } else if (This->device->hwi) {
1303         This->device->read_position = (This->device->read_position +
1304             (dwAudioBytes1 + dwAudioBytes2)) % This->device->buflen;
1305     } else {
1306         WARN("invalid call\n");
1307         hres = DSERR_INVALIDCALL;
1308     }
1309
1310     TRACE("returning %08x\n", hres);
1311     return hres;
1312 }
1313
1314 static HRESULT WINAPI
1315 IDirectSoundCaptureBufferImpl_GetObjectInPath(
1316     LPDIRECTSOUNDCAPTUREBUFFER8 iface,
1317     REFGUID rguidObject,
1318     DWORD dwIndex,
1319     REFGUID rguidInterface,
1320     LPVOID* ppObject )
1321 {
1322     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
1323
1324     FIXME( "(%p,%s,%u,%s,%p): stub\n", This, debugstr_guid(rguidObject),
1325         dwIndex, debugstr_guid(rguidInterface), ppObject );
1326
1327     return DS_OK;
1328 }
1329
1330 static HRESULT WINAPI
1331 IDirectSoundCaptureBufferImpl_GetFXStatus(
1332     LPDIRECTSOUNDCAPTUREBUFFER8 iface,
1333     DWORD dwFXCount,
1334     LPDWORD pdwFXStatus )
1335 {
1336     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
1337
1338     FIXME( "(%p,%u,%p): stub\n", This, dwFXCount, pdwFXStatus );
1339
1340     return DS_OK;
1341 }
1342
1343 static const IDirectSoundCaptureBuffer8Vtbl dscbvt =
1344 {
1345     /* IUnknown methods */
1346     IDirectSoundCaptureBufferImpl_QueryInterface,
1347     IDirectSoundCaptureBufferImpl_AddRef,
1348     IDirectSoundCaptureBufferImpl_Release,
1349
1350     /* IDirectSoundCaptureBuffer methods */
1351     IDirectSoundCaptureBufferImpl_GetCaps,
1352     IDirectSoundCaptureBufferImpl_GetCurrentPosition,
1353     IDirectSoundCaptureBufferImpl_GetFormat,
1354     IDirectSoundCaptureBufferImpl_GetStatus,
1355     IDirectSoundCaptureBufferImpl_Initialize,
1356     IDirectSoundCaptureBufferImpl_Lock,
1357     IDirectSoundCaptureBufferImpl_Start,
1358     IDirectSoundCaptureBufferImpl_Stop,
1359     IDirectSoundCaptureBufferImpl_Unlock,
1360
1361     /* IDirectSoundCaptureBuffer methods */
1362     IDirectSoundCaptureBufferImpl_GetObjectInPath,
1363     IDirectSoundCaptureBufferImpl_GetFXStatus
1364 };
1365
1366 HRESULT IDirectSoundCaptureBufferImpl_Create(
1367     DirectSoundCaptureDevice *device,
1368     IDirectSoundCaptureBufferImpl ** ppobj,
1369     LPCDSCBUFFERDESC lpcDSCBufferDesc)
1370 {
1371     LPWAVEFORMATEX  wfex;
1372     TRACE( "(%p,%p,%p)\n", device, ppobj, lpcDSCBufferDesc);
1373
1374     if (ppobj == NULL) {
1375         WARN("invalid parameter: ppobj == NULL\n");
1376         return DSERR_INVALIDPARAM;
1377     }
1378
1379     if (!device) {
1380         WARN("not initialized\n");
1381         *ppobj = NULL;
1382         return DSERR_UNINITIALIZED;
1383     }
1384
1385     if (lpcDSCBufferDesc == NULL) {
1386         WARN("invalid parameter: lpcDSCBufferDesc == NULL\n");
1387         *ppobj = NULL;
1388         return DSERR_INVALIDPARAM;
1389     }
1390
1391     if ( ((lpcDSCBufferDesc->dwSize != sizeof(DSCBUFFERDESC)) &&
1392           (lpcDSCBufferDesc->dwSize != sizeof(DSCBUFFERDESC1))) ||
1393         (lpcDSCBufferDesc->dwBufferBytes == 0) ||
1394         (lpcDSCBufferDesc->lpwfxFormat == NULL) ) {
1395         WARN("invalid lpcDSCBufferDesc\n");
1396         *ppobj = NULL;
1397         return DSERR_INVALIDPARAM;
1398     }
1399
1400     wfex = lpcDSCBufferDesc->lpwfxFormat;
1401
1402     if (wfex) {
1403         TRACE("(formattag=0x%04x,chans=%d,samplerate=%d,"
1404             "bytespersec=%d,blockalign=%d,bitspersamp=%d,cbSize=%d)\n",
1405             wfex->wFormatTag, wfex->nChannels, wfex->nSamplesPerSec,
1406             wfex->nAvgBytesPerSec, wfex->nBlockAlign,
1407             wfex->wBitsPerSample, wfex->cbSize);
1408
1409         if (wfex->wFormatTag == WAVE_FORMAT_PCM) {
1410             device->pwfx = HeapAlloc(GetProcessHeap(),0,sizeof(WAVEFORMATEX));
1411             CopyMemory(device->pwfx, wfex, sizeof(WAVEFORMATEX));
1412             device->pwfx->cbSize = 0;
1413         } else {
1414             device->pwfx = HeapAlloc(GetProcessHeap(),0,sizeof(WAVEFORMATEX)+wfex->cbSize);
1415             CopyMemory(device->pwfx, wfex, sizeof(WAVEFORMATEX)+wfex->cbSize);
1416         }
1417     } else {
1418         WARN("lpcDSCBufferDesc->lpwfxFormat == 0\n");
1419         *ppobj = NULL;
1420         return DSERR_INVALIDPARAM; /* FIXME: DSERR_BADFORMAT ? */
1421     }
1422
1423     *ppobj = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,
1424         sizeof(IDirectSoundCaptureBufferImpl));
1425
1426     if ( *ppobj == NULL ) {
1427         WARN("out of memory\n");
1428         *ppobj = NULL;
1429         return DSERR_OUTOFMEMORY;
1430     } else {
1431         HRESULT err = DS_OK;
1432         LPBYTE newbuf;
1433         DWORD buflen;
1434         IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)*ppobj;
1435
1436         This->ref = 1;
1437         This->device = device;
1438         This->device->capture_buffer = This;
1439         This->notify = NULL;
1440         This->nrofnotifies = 0;
1441         This->hwnotify = NULL;
1442
1443         This->pdscbd = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,
1444             lpcDSCBufferDesc->dwSize);
1445         if (This->pdscbd)
1446             CopyMemory(This->pdscbd, lpcDSCBufferDesc, lpcDSCBufferDesc->dwSize);
1447         else {
1448             WARN("no memory\n");
1449             This->device->capture_buffer = 0;
1450             HeapFree( GetProcessHeap(), 0, This );
1451             *ppobj = NULL;
1452             return DSERR_OUTOFMEMORY;
1453         }
1454
1455         This->lpVtbl = &dscbvt;
1456
1457         if (device->driver) {
1458             if (This->device->drvdesc.dwFlags & DSDDESC_DOMMSYSTEMOPEN)
1459                 FIXME("DSDDESC_DOMMSYSTEMOPEN not supported\n");
1460
1461             if (This->device->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) {
1462                 /* allocate buffer from system memory */
1463                 buflen = lpcDSCBufferDesc->dwBufferBytes;
1464                 TRACE("desired buflen=%d, old buffer=%p\n", buflen, device->buffer);
1465                 if (device->buffer)
1466                     newbuf = HeapReAlloc(GetProcessHeap(),0,device->buffer,buflen);
1467                 else
1468                     newbuf = HeapAlloc(GetProcessHeap(),0,buflen);
1469
1470                 if (newbuf == NULL) {
1471                     WARN("failed to allocate capture buffer\n");
1472                     err = DSERR_OUTOFMEMORY;
1473                     /* but the old buffer might still exist and must be re-prepared */
1474                 } else {
1475                     device->buffer = newbuf;
1476                     device->buflen = buflen;
1477                 }
1478             } else {
1479                 /* let driver allocate memory */
1480                 device->buflen = lpcDSCBufferDesc->dwBufferBytes;
1481                 /* FIXME: */
1482                 HeapFree( GetProcessHeap(), 0, device->buffer);
1483                 device->buffer = NULL;
1484             }
1485
1486             err = IDsCaptureDriver_CreateCaptureBuffer(device->driver,
1487                 device->pwfx,0,0,&(device->buflen),&(device->buffer),(LPVOID*)&(device->hwbuf));
1488             if (err != DS_OK) {
1489                 WARN("IDsCaptureDriver_CreateCaptureBuffer failed\n");
1490                 This->device->capture_buffer = 0;
1491                 HeapFree( GetProcessHeap(), 0, This );
1492                 *ppobj = NULL;
1493                 return err;
1494             }
1495         } else {
1496             DWORD flags = CALLBACK_FUNCTION;
1497             if (ds_hw_accel != DS_HW_ACCEL_EMULATION)
1498                 flags |= WAVE_DIRECTSOUND;
1499             err = mmErr(waveInOpen(&(device->hwi),
1500                 device->drvdesc.dnDevNode, device->pwfx,
1501                 (DWORD_PTR)DSOUND_capture_callback, (DWORD)device, flags));
1502             if (err != DS_OK) {
1503                 WARN("waveInOpen failed\n");
1504                 This->device->capture_buffer = 0;
1505                 HeapFree( GetProcessHeap(), 0, This );
1506                 *ppobj = NULL;
1507                 return err;
1508             }
1509
1510             buflen = lpcDSCBufferDesc->dwBufferBytes;
1511             TRACE("desired buflen=%d, old buffer=%p\n", buflen, device->buffer);
1512             if (device->buffer)
1513                 newbuf = HeapReAlloc(GetProcessHeap(),0,device->buffer,buflen);
1514             else
1515                 newbuf = HeapAlloc(GetProcessHeap(),0,buflen);
1516             if (newbuf == NULL) {
1517                 WARN("failed to allocate capture buffer\n");
1518                 err = DSERR_OUTOFMEMORY;
1519                 /* but the old buffer might still exist and must be re-prepared */
1520             } else {
1521                 device->buffer = newbuf;
1522                 device->buflen = buflen;
1523             }
1524         }
1525     }
1526
1527     TRACE("returning DS_OK\n");
1528     return DS_OK;
1529 }
1530
1531 /*******************************************************************************
1532  * DirectSoundCaptureDevice
1533  */
1534 HRESULT DirectSoundCaptureDevice_Initialize(
1535     DirectSoundCaptureDevice ** ppDevice,
1536     LPCGUID lpcGUID)
1537 {
1538     HRESULT err = DSERR_INVALIDPARAM;
1539     unsigned wid, widn;
1540     BOOLEAN found = FALSE;
1541     GUID devGUID;
1542     DirectSoundCaptureDevice *device = *ppDevice;
1543     TRACE("(%p, %s)\n", ppDevice, debugstr_guid(lpcGUID));
1544
1545     /* Default device? */
1546     if ( !lpcGUID || IsEqualGUID(lpcGUID, &GUID_NULL) )
1547         lpcGUID = &DSDEVID_DefaultCapture;
1548
1549     if (GetDeviceID(lpcGUID, &devGUID) != DS_OK) {
1550         WARN("invalid parameter: lpcGUID\n");
1551         return DSERR_INVALIDPARAM;
1552     }
1553
1554     widn = waveInGetNumDevs();
1555     if (!widn) {
1556         WARN("no audio devices found\n");
1557         return DSERR_NODRIVER;
1558     }
1559
1560     /* enumerate WINMM audio devices and find the one we want */
1561     for (wid=0; wid<widn; wid++) {
1562         if (IsEqualGUID( &devGUID, &DSOUND_capture_guids[wid]) ) {
1563             found = TRUE;
1564             break;
1565         }
1566     }
1567
1568     if (found == FALSE) {
1569         WARN("No device found matching given ID!\n");
1570         return DSERR_NODRIVER;
1571     }
1572
1573     if (DSOUND_capture[wid]) {
1574         WARN("already in use\n");
1575         return DSERR_ALLOCATED;
1576     }
1577
1578     err = DirectSoundCaptureDevice_Create(&(device));
1579     if (err != DS_OK) {
1580         WARN("DirectSoundCaptureDevice_Create failed\n");
1581         return err;
1582     }
1583
1584     *ppDevice = device;
1585     device->guid = devGUID;
1586
1587     err = mmErr(waveInMessage((HWAVEIN)wid,DRV_QUERYDSOUNDIFACE,(DWORD_PTR)&(device->driver),0));
1588     if ( (err != DS_OK) && (err != DSERR_UNSUPPORTED) ) {
1589         WARN("waveInMessage failed; err=%x\n",err);
1590         return err;
1591     }
1592     err = DS_OK;
1593
1594     /* Disable the direct sound driver to force emulation if requested. */
1595     if (ds_hw_accel == DS_HW_ACCEL_EMULATION)
1596         device->driver = NULL;
1597
1598     /* Get driver description */
1599     if (device->driver) {
1600         TRACE("using DirectSound driver\n");
1601         err = IDsCaptureDriver_GetDriverDesc(device->driver, &(device->drvdesc));
1602         if (err != DS_OK) {
1603             WARN("IDsCaptureDriver_GetDriverDesc failed\n");
1604             return err;
1605         }
1606     } else {
1607         TRACE("using WINMM\n");
1608         /* if no DirectSound interface available, use WINMM API instead */
1609         device->drvdesc.dwFlags = DSDDESC_DOMMSYSTEMOPEN |
1610             DSDDESC_DOMMSYSTEMSETFORMAT;
1611     }
1612
1613     device->drvdesc.dnDevNode = wid;
1614
1615     /* open the DirectSound driver if available */
1616     if (device->driver && (err == DS_OK))
1617         err = IDsCaptureDriver_Open(device->driver);
1618
1619     if (err == DS_OK) {
1620         *ppDevice = device;
1621
1622         /* the driver is now open, so it's now allowed to call GetCaps */
1623         if (device->driver) {
1624             device->drvcaps.dwSize = sizeof(device->drvcaps);
1625             err = IDsCaptureDriver_GetCaps(device->driver,&(device->drvcaps));
1626             if (err != DS_OK) {
1627                 WARN("IDsCaptureDriver_GetCaps failed\n");
1628                 return err;
1629             }
1630         } else /*if (device->hwi)*/ {
1631             WAVEINCAPSA    wic;
1632             err = mmErr(waveInGetDevCapsA((UINT)device->drvdesc.dnDevNode, &wic, sizeof(wic)));
1633
1634             if (err == DS_OK) {
1635                 device->drvcaps.dwFlags = 0;
1636                 lstrcpynA(device->drvdesc.szDrvname, wic.szPname,
1637                           sizeof(device->drvdesc.szDrvname));
1638
1639                 device->drvcaps.dwFlags |= DSCCAPS_EMULDRIVER;
1640                 device->drvcaps.dwFormats = wic.dwFormats;
1641                 device->drvcaps.dwChannels = wic.wChannels;
1642             }
1643         }
1644     }
1645
1646     return err;
1647 }
1648
1649 static HRESULT DirectSoundCaptureDevice_Create(
1650     DirectSoundCaptureDevice ** ppDevice)
1651 {
1652     DirectSoundCaptureDevice * device;
1653     TRACE("(%p)\n", ppDevice);
1654
1655     /* Allocate memory */
1656     device = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DirectSoundCaptureDevice));
1657
1658     if (device == NULL) {
1659         WARN("out of memory\n");
1660         return DSERR_OUTOFMEMORY;
1661     }
1662
1663     device->ref = 1;
1664     device->state = STATE_STOPPED;
1665
1666     InitializeCriticalSection( &(device->lock) );
1667     device->lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": DirectSoundCaptureDevice.lock");
1668
1669     *ppDevice = device;
1670
1671     return DS_OK;
1672 }
1673
1674 ULONG DirectSoundCaptureDevice_AddRef(
1675     DirectSoundCaptureDevice * device)
1676 {
1677     ULONG ref = InterlockedIncrement(&(device->ref));
1678     TRACE("(%p) ref was %d\n", device, ref - 1);
1679     return ref;
1680 }
1681
1682 ULONG DirectSoundCaptureDevice_Release(
1683     DirectSoundCaptureDevice * device)
1684 {
1685     ULONG ref = InterlockedDecrement(&(device->ref));
1686     TRACE("(%p) ref was %d\n", device, ref + 1);
1687
1688     if (!ref) {
1689         TRACE("deleting object\n");
1690         if (device->capture_buffer)
1691             IDirectSoundCaptureBufferImpl_Release(
1692                 (LPDIRECTSOUNDCAPTUREBUFFER8) device->capture_buffer);
1693
1694         if (device->driver) {
1695             IDsCaptureDriver_Close(device->driver);
1696             IDsCaptureDriver_Release(device->driver);
1697         }
1698
1699         HeapFree(GetProcessHeap(), 0, device->pwfx);
1700         device->lock.DebugInfo->Spare[0] = 0;
1701         DeleteCriticalSection( &(device->lock) );
1702         DSOUND_capture[device->drvdesc.dnDevNode] = NULL;
1703         HeapFree(GetProcessHeap(), 0, device);
1704         TRACE("(%p) released\n", device);
1705     }
1706     return ref;
1707 }