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 "winreg.h"
  38 #include "winternl.h"
  39 #include "winnls.h"
  40 #include "wine/debug.h"
  41 #include "dsound.h"
  42 #include "dsdriver.h"
  43 #include "dsound_private.h"
  44
  45 WINE_DEFAULT_DEBUG_CHANNEL(dsound);
  46
  47 /*****************************************************************************
  48  * IDirectSoundCapture implementation structure
  49  */
  50 struct IDirectSoundCaptureImpl
  51 {
  52     /* IUnknown fields */
  53     const IDirectSoundCaptureVtbl     *lpVtbl;
  54     LONG                               ref;
  55
  56     DirectSoundCaptureDevice          *device;
  57 };
  58
  59 static HRESULT IDirectSoundCaptureImpl_Create(LPDIRECTSOUNDCAPTURE8 * ppds);
  60
  61
  62 /*****************************************************************************
  63  * IDirectSoundCaptureNotify implementation structure
  64  */
  65 struct IDirectSoundCaptureNotifyImpl
  66 {
  67     /* IUnknown fields */
  68     const IDirectSoundNotifyVtbl       *lpVtbl;
  69     LONG                                ref;
  70     IDirectSoundCaptureBufferImpl*      dscb;
  71 };
  72
  73 static HRESULT IDirectSoundCaptureNotifyImpl_Create(IDirectSoundCaptureBufferImpl *dscb,
  74                                                     IDirectSoundCaptureNotifyImpl ** pdscn);
  75
  76
  77 DirectSoundCaptureDevice * DSOUND_capture[MAXWAVEDRIVERS];
  78
  79 static HRESULT DirectSoundCaptureDevice_Create(DirectSoundCaptureDevice ** ppDevice);
  80
  81 static const char * const captureStateString[] = {
  82     "STATE_STOPPED",
  83     "STATE_STARTING",
  84     "STATE_CAPTURING",
  85     "STATE_STOPPING"
  86 };
  87
  88 HRESULT DSOUND_CaptureCreate(
  89     REFIID riid,
  90     LPDIRECTSOUNDCAPTURE *ppDSC)
  91 {
  92     LPDIRECTSOUNDCAPTURE pDSC;
  93     HRESULT hr;
  94     TRACE("(%s, %p)\n", debugstr_guid(riid), ppDSC);
  95
  96     if (!IsEqualIID(riid, &IID_IUnknown) &&
  97         !IsEqualIID(riid, &IID_IDirectSoundCapture)) {
  98         *ppDSC = 0;
  99         return E_NOINTERFACE;
 100     }
 101
 102     /* Get dsound configuration */
 103     setup_dsound_options();
 104
 105     hr = IDirectSoundCaptureImpl_Create(&pDSC);
 106     if (hr == DS_OK) {
 107         IDirectSoundCapture_AddRef(pDSC);
 108         *ppDSC = pDSC;
 109     } else {
 110         WARN("IDirectSoundCaptureImpl_Create failed\n");
 111         *ppDSC = 0;
 112     }
 113
 114     return hr;
 115 }
 116
 117 HRESULT DSOUND_CaptureCreate8(
 118     REFIID riid,
 119     LPDIRECTSOUNDCAPTURE8 *ppDSC8)
 120 {
 121     LPDIRECTSOUNDCAPTURE8 pDSC8;
 122     HRESULT hr;
 123     TRACE("(%s, %p)\n", debugstr_guid(riid), ppDSC8);
 124
 125     if (!IsEqualIID(riid, &IID_IUnknown) &&
 126         !IsEqualIID(riid, &IID_IDirectSoundCapture8)) {
 127         *ppDSC8 = 0;
 128         return E_NOINTERFACE;
 129     }
 130
 131     /* Get dsound configuration */
 132     setup_dsound_options();
 133
 134     hr = IDirectSoundCaptureImpl_Create(&pDSC8);
 135     if (hr == DS_OK) {
 136         IDirectSoundCapture_AddRef(pDSC8);
 137         *ppDSC8 = pDSC8;
 138     } else {
 139         WARN("IDirectSoundCaptureImpl_Create failed\n");
 140         *ppDSC8 = 0;
 141     }
 142
 143     return hr;
 144 }
 145
 146 /***************************************************************************
 147  * DirectSoundCaptureCreate [DSOUND.6]
 148  *
 149  * Create and initialize a DirectSoundCapture interface.
 150  *
 151  * PARAMS
 152  *    lpcGUID   [I] Address of the GUID that identifies the sound capture device.
 153  *    lplpDSC   [O] Address of a variable to receive the interface pointer.
 154  *    pUnkOuter [I] Must be NULL.
 155  *
 156  * RETURNS
 157  *    Success: DS_OK
 158  *    Failure: DSERR_NOAGGREGATION, DSERR_ALLOCATED, DSERR_INVALIDPARAM,
 159  *             DSERR_OUTOFMEMORY
 160  *
 161  * NOTES
 162  *    lpcGUID must be one of the values returned from DirectSoundCaptureEnumerate
 163  *    or NULL for the default device or DSDEVID_DefaultCapture or
 164  *    DSDEVID_DefaultVoiceCapture.
 165  *
 166  *    DSERR_ALLOCATED is returned for sound devices that do not support full duplex.
 167  */
 168 HRESULT WINAPI DirectSoundCaptureCreate(
 169     LPCGUID lpcGUID,
 170     LPDIRECTSOUNDCAPTURE *ppDSC,
 171     LPUNKNOWN pUnkOuter)
 172 {
 173     HRESULT hr;
 174     LPDIRECTSOUNDCAPTURE pDSC;
 175     TRACE("(%s,%p,%p)\n", debugstr_guid(lpcGUID), ppDSC, pUnkOuter);
 176
 177     if (ppDSC == NULL) {
 178         WARN("invalid parameter: ppDSC == NULL\n");
 179         return DSERR_INVALIDPARAM;
 180     }
 181
 182     if (pUnkOuter) {
 183         WARN("invalid parameter: pUnkOuter != NULL\n");
 184         *ppDSC = NULL;
 185         return DSERR_NOAGGREGATION;
 186     }
 187
 188     hr = DSOUND_CaptureCreate(&IID_IDirectSoundCapture, &pDSC);
 189     if (hr == DS_OK) {
 190         hr = IDirectSoundCapture_Initialize(pDSC, lpcGUID);
 191         if (hr != DS_OK) {
 192             IDirectSoundCapture_Release(pDSC);
 193             pDSC = 0;
 194         }
 195     }
 196
 197     *ppDSC = pDSC;
 198
 199     return hr;
 200 }
 201
 202 /***************************************************************************
 203  * DirectSoundCaptureCreate8 [DSOUND.12]
 204  *
 205  * Create and initialize a DirectSoundCapture interface.
 206  *
 207  * PARAMS
 208  *    lpcGUID   [I] Address of the GUID that identifies the sound capture device.
 209  *    lplpDSC   [O] Address of a variable to receive the interface pointer.
 210  *    pUnkOuter [I] Must be NULL.
 211  *
 212  * RETURNS
 213  *    Success: DS_OK
 214  *    Failure: DSERR_NOAGGREGATION, DSERR_ALLOCATED, DSERR_INVALIDPARAM,
 215  *             DSERR_OUTOFMEMORY
 216  *
 217  * NOTES
 218  *    lpcGUID must be one of the values returned from DirectSoundCaptureEnumerate
 219  *    or NULL for the default device or DSDEVID_DefaultCapture or
 220  *    DSDEVID_DefaultVoiceCapture.
 221  *
 222  *    DSERR_ALLOCATED is returned for sound devices that do not support full duplex.
 223  */
 224 HRESULT WINAPI DirectSoundCaptureCreate8(
 225     LPCGUID lpcGUID,
 226     LPDIRECTSOUNDCAPTURE8 *ppDSC8,
 227     LPUNKNOWN pUnkOuter)
 228 {
 229     HRESULT hr;
 230     LPDIRECTSOUNDCAPTURE8 pDSC8;
 231     TRACE("(%s,%p,%p)\n", debugstr_guid(lpcGUID), ppDSC8, pUnkOuter);
 232
 233     if (ppDSC8 == NULL) {
 234         WARN("invalid parameter: ppDSC8 == NULL\n");
 235         return DSERR_INVALIDPARAM;
 236     }
 237
 238     if (pUnkOuter) {
 239         WARN("invalid parameter: pUnkOuter != NULL\n");
 240         *ppDSC8 = NULL;
 241         return DSERR_NOAGGREGATION;
 242     }
 243
 244     hr = DSOUND_CaptureCreate8(&IID_IDirectSoundCapture8, &pDSC8);
 245     if (hr == DS_OK) {
 246         hr = IDirectSoundCapture_Initialize(pDSC8, lpcGUID);
 247         if (hr != DS_OK) {
 248             IDirectSoundCapture_Release(pDSC8);
 249             pDSC8 = 0;
 250         }
 251     }
 252
 253     *ppDSC8 = pDSC8;
 254
 255     return hr;
 256 }
 257
 258 /***************************************************************************
 259  * DirectSoundCaptureEnumerateA [DSOUND.7]
 260  *
 261  * Enumerate all DirectSound drivers installed in the system.
 262  *
 263  * PARAMS
 264  *    lpDSEnumCallback  [I] Address of callback function.
 265  *    lpContext         [I] Address of user defined context passed to callback function.
 266  *
 267  * RETURNS
 268  *    Success: DS_OK
 269  *    Failure: DSERR_INVALIDPARAM
 270  */
 271 HRESULT WINAPI
 272 DirectSoundCaptureEnumerateA(
 273     LPDSENUMCALLBACKA lpDSEnumCallback,
 274     LPVOID lpContext)
 275 {
 276     unsigned devs, wid;
 277     DSDRIVERDESC desc;
 278     GUID guid;
 279     int err;
 280
 281     TRACE("(%p,%p)\n", lpDSEnumCallback, lpContext );
 282
 283     if (lpDSEnumCallback == NULL) {
 284         WARN("invalid parameter: lpDSEnumCallback == NULL\n");
 285         return DSERR_INVALIDPARAM;
 286     }
 287
 288     devs = waveInGetNumDevs();
 289     if (devs > 0) {
 290         if (GetDeviceID(&DSDEVID_DefaultCapture, &guid) == DS_OK) {
 291             for (wid = 0; wid < devs; ++wid) {
 292                 if (IsEqualGUID( &guid, &DSOUND_capture_guids[wid] ) ) {
 293                     err = mmErr(waveInMessage((HWAVEIN)wid,DRV_QUERYDSOUNDDESC,(DWORD_PTR)&desc,0));
 294                     if (err == DS_OK) {
 295                         TRACE("calling lpDSEnumCallback(NULL,\"%s\",\"%s\",%p)\n",
 296                               "Primary Sound Capture Driver",desc.szDrvname,lpContext);
 297                         if (lpDSEnumCallback(NULL, "Primary Sound Capture Driver", desc.szDrvname, lpContext) == FALSE)
 298                             return DS_OK;
 299                     }
 300                 }
 301             }
 302         }
 303     }
 304
 305     for (wid = 0; wid < devs; ++wid) {
 306         err = mmErr(waveInMessage((HWAVEIN)wid,DRV_QUERYDSOUNDDESC,(DWORD_PTR)&desc,0));
 307         if (err == DS_OK) {
 308             TRACE("calling lpDSEnumCallback(%s,\"%s\",\"%s\",%p)\n",
 309                   debugstr_guid(&DSOUND_capture_guids[wid]),desc.szDesc,desc.szDrvname,lpContext);
 310             if (lpDSEnumCallback(&DSOUND_capture_guids[wid], desc.szDesc, desc.szDrvname, lpContext) == FALSE)
 311                 return DS_OK;
 312         }
 313     }
 314
 315     return DS_OK;
 316 }
 317
 318 /***************************************************************************
 319  * DirectSoundCaptureEnumerateW [DSOUND.8]
 320  *
 321  * Enumerate all DirectSound drivers installed in the system.
 322  *
 323  * PARAMS
 324  *    lpDSEnumCallback  [I] Address of callback function.
 325  *    lpContext         [I] Address of user defined context passed to callback function.
 326  *
 327  * RETURNS
 328  *    Success: DS_OK
 329  *    Failure: DSERR_INVALIDPARAM
 330  */
 331 HRESULT WINAPI
 332 DirectSoundCaptureEnumerateW(
 333     LPDSENUMCALLBACKW lpDSEnumCallback,
 334     LPVOID lpContext)
 335 {
 336     unsigned devs, wid;
 337     DSDRIVERDESC desc;
 338     GUID guid;
 339     int err;
 340     WCHAR wDesc[MAXPNAMELEN];
 341     WCHAR wName[MAXPNAMELEN];
 342
 343     TRACE("(%p,%p)\n", lpDSEnumCallback, lpContext );
 344
 345     if (lpDSEnumCallback == NULL) {
 346         WARN("invalid parameter: lpDSEnumCallback == NULL\n");
 347         return DSERR_INVALIDPARAM;
 348     }
 349
 350     devs = waveInGetNumDevs();
 351     if (devs > 0) {
 352         if (GetDeviceID(&DSDEVID_DefaultCapture, &guid) == DS_OK) {
 353             for (wid = 0; wid < devs; ++wid) {
 354                 if (IsEqualGUID( &guid, &DSOUND_capture_guids[wid] ) ) {
 355                     err = mmErr(waveInMessage((HWAVEIN)wid,DRV_QUERYDSOUNDDESC,(DWORD_PTR)&desc,0));
 356                     if (err == DS_OK) {
 357                         TRACE("calling lpDSEnumCallback(NULL,\"%s\",\"%s\",%p)\n",
 358                               "Primary Sound Capture Driver",desc.szDrvname,lpContext);
 359                         MultiByteToWideChar( CP_ACP, 0, "Primary Sound Capture Driver", -1,
 360                                              wDesc, sizeof(wDesc)/sizeof(WCHAR) );
 361                         MultiByteToWideChar( CP_ACP, 0, desc.szDrvname, -1,
 362                                              wName, sizeof(wName)/sizeof(WCHAR) );
 363                         if (lpDSEnumCallback(NULL, wDesc, wName, lpContext) == FALSE)
 364                             return DS_OK;
 365                     }
 366                 }
 367             }
 368         }
 369     }
 370
 371     for (wid = 0; wid < devs; ++wid) {
 372         err = mmErr(waveInMessage((HWAVEIN)wid,DRV_QUERYDSOUNDDESC,(DWORD_PTR)&desc,0));
 373         if (err == DS_OK) {
 374             TRACE("calling lpDSEnumCallback(%s,\"%s\",\"%s\",%p)\n",
 375                   debugstr_guid(&DSOUND_capture_guids[wid]),desc.szDesc,desc.szDrvname,lpContext);
 376             MultiByteToWideChar( CP_ACP, 0, desc.szDesc, -1,
 377                                  wDesc, sizeof(wDesc)/sizeof(WCHAR) );
 378             MultiByteToWideChar( CP_ACP, 0, desc.szDrvname, -1,
 379                                  wName, sizeof(wName)/sizeof(WCHAR) );
 380             if (lpDSEnumCallback((LPGUID)&DSOUND_capture_guids[wid], wDesc, wName, lpContext) == FALSE)
 381                 return DS_OK;
 382         }
 383     }
 384
 385     return DS_OK;
 386 }
 387
 388 static void CALLBACK
 389 DSOUND_capture_callback(
 390     HWAVEIN hwi,
 391     UINT msg,
 392     DWORD dwUser,
 393     DWORD dw1,
 394     DWORD dw2 )
 395 {
 396     DirectSoundCaptureDevice * This = (DirectSoundCaptureDevice*)dwUser;
 397     TRACE("(%p,%08x(%s),%08x,%08x,%08x) entering at %d\n",hwi,msg,
 398         msg == MM_WIM_OPEN ? "MM_WIM_OPEN" : msg == MM_WIM_CLOSE ? "MM_WIM_CLOSE" :
 399         msg == MM_WIM_DATA ? "MM_WIM_DATA" : "UNKNOWN",dwUser,dw1,dw2,GetTickCount());
 400
 401     if (msg == MM_WIM_DATA) {
 402         LPWAVEHDR pHdr = (LPWAVEHDR)dw1;
 403         EnterCriticalSection( &(This->lock) );
 404         TRACE("DirectSoundCapture msg=MM_WIM_DATA, old This->state=%s, old This->index=%d\n",
 405             captureStateString[This->state],This->index);
 406         if (This->state != STATE_STOPPED) {
 407             int index = This->index;
 408             if (This->state == STATE_STARTING) {
 409                 This->read_position = pHdr->dwBytesRecorded;
 410                 This->state = STATE_CAPTURING;
 411             }
 412             if (This->capture_buffer->nrofnotifies)
 413                 SetEvent(This->capture_buffer->notifies[This->index].hEventNotify);
 414             This->index = (This->index + 1) % This->nrofpwaves;
 415             if ( (This->index == 0) && !(This->capture_buffer->flags & DSCBSTART_LOOPING) ) {
 416                 TRACE("end of buffer\n");
 417                 This->state = STATE_STOPPED;
 418             } else {
 419                 if (This->state == STATE_CAPTURING) {
 420                     waveInAddBuffer(hwi, &(This->pwave[index]), sizeof(WAVEHDR));
 421                 } else if (This->state == STATE_STOPPING) {
 422                     TRACE("stopping\n");
 423                     This->state = STATE_STOPPED;
 424                 }
 425             }
 426         }
 427         TRACE("DirectSoundCapture new This->state=%s, new This->index=%d\n",
 428             captureStateString[This->state],This->index);
 429         LeaveCriticalSection( &(This->lock) );
 430     }
 431
 432     TRACE("completed\n");
 433 }
 434
 435 /***************************************************************************
 436  * IDirectSoundCaptureImpl
 437  */
 438 static HRESULT WINAPI
 439 IDirectSoundCaptureImpl_QueryInterface(
 440     LPDIRECTSOUNDCAPTURE iface,
 441     REFIID riid,
 442     LPVOID* ppobj )
 443 {
 444     IDirectSoundCaptureImpl *This = (IDirectSoundCaptureImpl *)iface;
 445     TRACE( "(%p,%s,%p)\n", This, debugstr_guid(riid), ppobj );
 446
 447     if (ppobj == NULL) {
 448         WARN("invalid parameter\n");
 449         return E_INVALIDARG;
 450     }
 451
 452     *ppobj = NULL;
 453
 454     if (IsEqualIID(riid, &IID_IUnknown)) {
 455         IDirectSoundCapture_AddRef((LPDIRECTSOUNDCAPTURE)This);
 456         *ppobj = This;
 457         return DS_OK;
 458     } else if (IsEqualIID(riid, &IID_IDirectSoundCapture)) {
 459         IDirectSoundCapture_AddRef((LPDIRECTSOUNDCAPTURE)This);
 460         *ppobj = This;
 461         return DS_OK;
 462     }
 463
 464     WARN("unsupported riid: %s\n", debugstr_guid(riid));
 465     return E_NOINTERFACE;
 466 }
 467
 468 static ULONG WINAPI
 469 IDirectSoundCaptureImpl_AddRef( LPDIRECTSOUNDCAPTURE iface )
 470 {
 471     IDirectSoundCaptureImpl *This = (IDirectSoundCaptureImpl *)iface;
 472     ULONG ref = InterlockedIncrement(&(This->ref));
 473     TRACE("(%p) ref was %d\n", This, ref - 1);
 474     return ref;
 475 }
 476
 477 static ULONG WINAPI
 478 IDirectSoundCaptureImpl_Release( LPDIRECTSOUNDCAPTURE iface )
 479 {
 480     IDirectSoundCaptureImpl *This = (IDirectSoundCaptureImpl *)iface;
 481     ULONG ref = InterlockedDecrement(&(This->ref));
 482     TRACE("(%p) ref was %d\n", This, ref + 1);
 483
 484     if (!ref) {
 485         if (This->device)
 486             DirectSoundCaptureDevice_Release(This->device);
 487
 488         HeapFree( GetProcessHeap(), 0, This );
 489         TRACE("(%p) released\n", This);
 490     }
 491     return ref;
 492 }
 493
 494 HRESULT WINAPI IDirectSoundCaptureImpl_CreateCaptureBuffer(
 495     LPDIRECTSOUNDCAPTURE iface,
 496     LPCDSCBUFFERDESC lpcDSCBufferDesc,
 497     LPDIRECTSOUNDCAPTUREBUFFER* lplpDSCaptureBuffer,
 498     LPUNKNOWN pUnk )
 499 {
 500     HRESULT hr;
 501     IDirectSoundCaptureImpl *This = (IDirectSoundCaptureImpl *)iface;
 502
 503     TRACE( "(%p,%p,%p,%p)\n",iface,lpcDSCBufferDesc,lplpDSCaptureBuffer,pUnk);
 504
 505     if (lpcDSCBufferDesc == NULL) {
 506         WARN("invalid parameter: lpcDSCBufferDesc == NULL)\n");
 507         return DSERR_INVALIDPARAM;
 508     }
 509
 510     if (lplpDSCaptureBuffer == NULL) {
 511         WARN("invalid parameter: lplpDSCaptureBuffer == NULL\n");
 512         return DSERR_INVALIDPARAM;
 513     }
 514
 515     if (pUnk != NULL) {
 516         WARN("invalid parameter: pUnk != NULL\n");
 517         return DSERR_INVALIDPARAM;
 518     }
 519
 520     /* FIXME: We can only have one buffer so what do we do here? */
 521     if (This->device->capture_buffer) {
 522         WARN("lnvalid parameter: already has buffer\n");
 523         return DSERR_INVALIDPARAM;    /* DSERR_GENERIC ? */
 524     }
 525
 526     hr = IDirectSoundCaptureBufferImpl_Create(This->device,
 527         (IDirectSoundCaptureBufferImpl **)lplpDSCaptureBuffer, lpcDSCBufferDesc);
 528
 529     if (hr != DS_OK)
 530         WARN("IDirectSoundCaptureBufferImpl_Create failed\n");
 531
 532     return hr;
 533 }
 534
 535 HRESULT WINAPI IDirectSoundCaptureImpl_GetCaps(
 536     LPDIRECTSOUNDCAPTURE iface,
 537     LPDSCCAPS lpDSCCaps )
 538 {
 539     IDirectSoundCaptureImpl *This = (IDirectSoundCaptureImpl *)iface;
 540     TRACE("(%p,%p)\n",This,lpDSCCaps);
 541
 542     if (This->device == NULL) {
 543         WARN("not initialized\n");
 544         return DSERR_UNINITIALIZED;
 545     }
 546
 547     if (lpDSCCaps== NULL) {
 548         WARN("invalid parameter: lpDSCCaps== NULL\n");
 549         return DSERR_INVALIDPARAM;
 550     }
 551
 552     if (lpDSCCaps->dwSize < sizeof(*lpDSCCaps)) {
 553         WARN("invalid parameter: lpDSCCaps->dwSize = %d\n", lpDSCCaps->dwSize);
 554         return DSERR_INVALIDPARAM;
 555     }
 556
 557     lpDSCCaps->dwFlags = This->device->drvcaps.dwFlags;
 558     lpDSCCaps->dwFormats = This->device->drvcaps.dwFormats;
 559     lpDSCCaps->dwChannels = This->device->drvcaps.dwChannels;
 560
 561     TRACE("(flags=0x%08x,format=0x%08x,channels=%d)\n",lpDSCCaps->dwFlags,
 562         lpDSCCaps->dwFormats, lpDSCCaps->dwChannels);
 563
 564     return DS_OK;
 565 }
 566
 567 HRESULT WINAPI IDirectSoundCaptureImpl_Initialize(
 568     LPDIRECTSOUNDCAPTURE iface,
 569     LPCGUID lpcGUID )
 570 {
 571     IDirectSoundCaptureImpl *This = (IDirectSoundCaptureImpl *)iface;
 572     TRACE("(%p,%s)\n", This, debugstr_guid(lpcGUID));
 573
 574     if (This->device != NULL) {
 575         WARN("already initialized\n");
 576         return DSERR_ALREADYINITIALIZED;
 577     }
 578
 579     return DirectSoundCaptureDevice_Initialize(&This->device, lpcGUID);
 580 }
 581
 582 static const IDirectSoundCaptureVtbl dscvt =
 583 {
 584     /* IUnknown methods */
 585     IDirectSoundCaptureImpl_QueryInterface,
 586     IDirectSoundCaptureImpl_AddRef,
 587     IDirectSoundCaptureImpl_Release,
 588
 589     /* IDirectSoundCapture methods */
 590     IDirectSoundCaptureImpl_CreateCaptureBuffer,
 591     IDirectSoundCaptureImpl_GetCaps,
 592     IDirectSoundCaptureImpl_Initialize
 593 };
 594
 595 static HRESULT IDirectSoundCaptureImpl_Create(
 596     LPDIRECTSOUNDCAPTURE8 * ppDSC)
 597 {
 598     IDirectSoundCaptureImpl *pDSC;
 599     TRACE("(%p)\n", ppDSC);
 600
 601     /* Allocate memory */
 602     pDSC = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(IDirectSoundCaptureImpl));
 603     if (pDSC == NULL) {
 604         WARN("out of memory\n");
 605         *ppDSC = NULL;
 606         return DSERR_OUTOFMEMORY;
 607     }
 608
 609     pDSC->lpVtbl = &dscvt;
 610     pDSC->ref    = 0;
 611     pDSC->device = NULL;
 612
 613     *ppDSC = (LPDIRECTSOUNDCAPTURE8)pDSC;
 614
 615     return DS_OK;
 616 }
 617
 618 /*******************************************************************************
 619  *              IDirectSoundCaptureNotify
 620  */
 621 static HRESULT WINAPI IDirectSoundCaptureNotifyImpl_QueryInterface(
 622     LPDIRECTSOUNDNOTIFY iface,
 623     REFIID riid,
 624     LPVOID *ppobj)
 625 {
 626     IDirectSoundCaptureNotifyImpl *This = (IDirectSoundCaptureNotifyImpl *)iface;
 627     TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
 628
 629     if (This->dscb == NULL) {
 630         WARN("invalid parameter\n");
 631         return E_INVALIDARG;
 632     }
 633
 634     return IDirectSoundCaptureBuffer_QueryInterface((LPDIRECTSOUNDCAPTUREBUFFER)This->dscb, riid, ppobj);
 635 }
 636
 637 static ULONG WINAPI IDirectSoundCaptureNotifyImpl_AddRef(LPDIRECTSOUNDNOTIFY iface)
 638 {
 639     IDirectSoundCaptureNotifyImpl *This = (IDirectSoundCaptureNotifyImpl *)iface;
 640     ULONG ref = InterlockedIncrement(&(This->ref));
 641     TRACE("(%p) ref was %d\n", This, ref - 1);
 642     return ref;
 643 }
 644
 645 static ULONG WINAPI IDirectSoundCaptureNotifyImpl_Release(LPDIRECTSOUNDNOTIFY iface)
 646 {
 647     IDirectSoundCaptureNotifyImpl *This = (IDirectSoundCaptureNotifyImpl *)iface;
 648     ULONG ref = InterlockedDecrement(&(This->ref));
 649     TRACE("(%p) ref was %d\n", This, ref + 1);
 650
 651     if (!ref) {
 652         if (This->dscb->hwnotify)
 653             IDsDriverNotify_Release(This->dscb->hwnotify);
 654         This->dscb->notify=NULL;
 655         IDirectSoundCaptureBuffer_Release((LPDIRECTSOUNDCAPTUREBUFFER)This->dscb);
 656         HeapFree(GetProcessHeap(),0,This);
 657         TRACE("(%p) released\n", This);
 658     }
 659     return ref;
 660 }
 661
 662 static HRESULT WINAPI IDirectSoundCaptureNotifyImpl_SetNotificationPositions(
 663     LPDIRECTSOUNDNOTIFY iface,
 664     DWORD howmuch,
 665     LPCDSBPOSITIONNOTIFY notify)
 666 {
 667     IDirectSoundCaptureNotifyImpl *This = (IDirectSoundCaptureNotifyImpl *)iface;
 668     TRACE("(%p,0x%08x,%p)\n",This,howmuch,notify);
 669
 670     if (howmuch > 0 && notify == NULL) {
 671         WARN("invalid parameter: notify == NULL\n");
 672         return DSERR_INVALIDPARAM;
 673     }
 674
 675     if (TRACE_ON(dsound)) {
 676         unsigned int i;
 677         for (i=0;i<howmuch;i++)
 678             TRACE("notify at %d to %p\n",
 679             notify[i].dwOffset,notify[i].hEventNotify);
 680     }
 681
 682     if (This->dscb->hwnotify) {
 683         HRESULT hres;
 684         hres = IDsDriverNotify_SetNotificationPositions(This->dscb->hwnotify, howmuch, notify);
 685         if (hres != DS_OK)
 686             WARN("IDsDriverNotify_SetNotificationPositions failed\n");
 687         return hres;
 688     } else if (howmuch > 0) {
 689         /* Make an internal copy of the caller-supplied array.
 690          * Replace the existing copy if one is already present. */
 691         if (This->dscb->notifies)
 692             This->dscb->notifies = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 693                 This->dscb->notifies, howmuch * sizeof(DSBPOSITIONNOTIFY));
 694         else
 695             This->dscb->notifies = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 696                 howmuch * sizeof(DSBPOSITIONNOTIFY));
 697
 698         if (This->dscb->notifies == NULL) {
 699             WARN("out of memory\n");
 700             return DSERR_OUTOFMEMORY;
 701         }
 702         CopyMemory(This->dscb->notifies, notify, howmuch * sizeof(DSBPOSITIONNOTIFY));
 703         This->dscb->nrofnotifies = howmuch;
 704     } else {
 705         HeapFree(GetProcessHeap(), 0, This->dscb->notifies);
 706         This->dscb->notifies = NULL;
 707         This->dscb->nrofnotifies = 0;
 708     }
 709
 710     return S_OK;
 711 }
 712
 713 static const IDirectSoundNotifyVtbl dscnvt =
 714 {
 715     IDirectSoundCaptureNotifyImpl_QueryInterface,
 716     IDirectSoundCaptureNotifyImpl_AddRef,
 717     IDirectSoundCaptureNotifyImpl_Release,
 718     IDirectSoundCaptureNotifyImpl_SetNotificationPositions,
 719 };
 720
 721 static HRESULT IDirectSoundCaptureNotifyImpl_Create(
 722     IDirectSoundCaptureBufferImpl *dscb,
 723     IDirectSoundCaptureNotifyImpl **pdscn)
 724 {
 725     IDirectSoundCaptureNotifyImpl * dscn;
 726     TRACE("(%p,%p)\n",dscb,pdscn);
 727
 728     dscn = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(dscn));
 729
 730     if (dscn == NULL) {
 731         WARN("out of memory\n");
 732         return DSERR_OUTOFMEMORY;
 733     }
 734
 735     dscn->ref = 0;
 736     dscn->lpVtbl = &dscnvt;
 737     dscn->dscb = dscb;
 738     dscb->notify = dscn;
 739     IDirectSoundCaptureBuffer_AddRef((LPDIRECTSOUNDCAPTUREBUFFER)dscb);
 740
 741     *pdscn = dscn;
 742     return DS_OK;
 743 }
 744
 745 /*******************************************************************************
 746  *              IDirectSoundCaptureBuffer
 747  */
 748 static HRESULT WINAPI
 749 IDirectSoundCaptureBufferImpl_QueryInterface(
 750     LPDIRECTSOUNDCAPTUREBUFFER8 iface,
 751     REFIID riid,
 752     LPVOID* ppobj )
 753 {
 754     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
 755     HRESULT hres;
 756     TRACE( "(%p,%s,%p)\n", This, debugstr_guid(riid), ppobj );
 757
 758     if (ppobj == NULL) {
 759         WARN("invalid parameter\n");
 760         return E_INVALIDARG;
 761     }
 762
 763     *ppobj = NULL;
 764
 765     if ( IsEqualGUID( &IID_IDirectSoundNotify, riid ) ) {
 766         if (!This->notify)
 767             hres = IDirectSoundCaptureNotifyImpl_Create(This, &This->notify);
 768         if (This->notify) {
 769             if (This->device->hwbuf) {
 770                 hres = IDsCaptureDriverBuffer_QueryInterface(This->device->hwbuf,
 771                     &IID_IDsDriverNotify, (LPVOID*)&(This->hwnotify));
 772                 if (hres != DS_OK) {
 773                     WARN("IDsCaptureDriverBuffer_QueryInterface failed\n");
 774                     *ppobj = 0;
 775                     return hres;
 776                 }
 777             }
 778
 779             IDirectSoundNotify_AddRef((LPDIRECTSOUNDNOTIFY)This->notify);
 780             *ppobj = (LPVOID)This->notify;
 781             return DS_OK;
 782         }
 783
 784         WARN("IID_IDirectSoundNotify\n");
 785         return E_FAIL;
 786     }
 787
 788     if ( IsEqualGUID( &IID_IDirectSoundCaptureBuffer, riid ) ||
 789          IsEqualGUID( &IID_IDirectSoundCaptureBuffer8, riid ) ) {
 790         IDirectSoundCaptureBuffer8_AddRef(iface);
 791         *ppobj = This;
 792         return NO_ERROR;
 793     }
 794
 795     FIXME("(%p,%s,%p) unsupported GUID\n", This, debugstr_guid(riid), ppobj);
 796     return E_NOINTERFACE;
 797 }
 798
 799 static ULONG WINAPI
 800 IDirectSoundCaptureBufferImpl_AddRef( LPDIRECTSOUNDCAPTUREBUFFER8 iface )
 801 {
 802     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
 803     ULONG ref = InterlockedIncrement(&(This->ref));
 804     TRACE("(%p) ref was %d\n", This, ref - 1);
 805     return ref;
 806 }
 807
 808 static ULONG WINAPI
 809 IDirectSoundCaptureBufferImpl_Release( LPDIRECTSOUNDCAPTUREBUFFER8 iface )
 810 {
 811     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
 812     ULONG ref = InterlockedDecrement(&(This->ref));
 813     TRACE("(%p) ref was %d\n", This, ref + 1);
 814
 815     if (!ref) {
 816         TRACE("deleting object\n");
 817         if (This->device->state == STATE_CAPTURING)
 818             This->device->state = STATE_STOPPING;
 819
 820         HeapFree(GetProcessHeap(),0, This->pdscbd);
 821
 822         if (This->device->hwi) {
 823             waveInReset(This->device->hwi);
 824             waveInClose(This->device->hwi);
 825             HeapFree(GetProcessHeap(),0, This->device->pwave);
 826             This->device->pwave = 0;
 827             This->device->hwi = 0;
 828         }
 829
 830         if (This->device->hwbuf)
 831             IDsCaptureDriverBuffer_Release(This->device->hwbuf);
 832
 833         /* remove from DirectSoundCaptureDevice */
 834         This->device->capture_buffer = NULL;
 835
 836         if (This->notify)
 837             IDirectSoundNotify_Release((LPDIRECTSOUNDNOTIFY)This->notify);
 838
 839         HeapFree(GetProcessHeap(), 0, This->notifies);
 840         HeapFree( GetProcessHeap(), 0, This );
 841         TRACE("(%p) released\n", This);
 842     }
 843     return ref;
 844 }
 845
 846 static HRESULT WINAPI
 847 IDirectSoundCaptureBufferImpl_GetCaps(
 848     LPDIRECTSOUNDCAPTUREBUFFER8 iface,
 849     LPDSCBCAPS lpDSCBCaps )
 850 {
 851     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
 852     TRACE( "(%p,%p)\n", This, lpDSCBCaps );
 853
 854     if (lpDSCBCaps == NULL) {
 855         WARN("invalid parameter: lpDSCBCaps == NULL\n");
 856         return DSERR_INVALIDPARAM;
 857     }
 858
 859     if (lpDSCBCaps->dwSize < sizeof(DSCBCAPS)) {
 860         WARN("invalid parameter: lpDSCBCaps->dwSize = %d\n", lpDSCBCaps->dwSize);
 861         return DSERR_INVALIDPARAM;
 862     }
 863
 864     if (This->device == NULL) {
 865         WARN("invalid parameter: This->device == NULL\n");
 866         return DSERR_INVALIDPARAM;
 867     }
 868
 869     lpDSCBCaps->dwSize = sizeof(DSCBCAPS);
 870     lpDSCBCaps->dwFlags = This->flags;
 871     lpDSCBCaps->dwBufferBytes = This->pdscbd->dwBufferBytes;
 872     lpDSCBCaps->dwReserved = 0;
 873
 874     TRACE("returning DS_OK\n");
 875     return DS_OK;
 876 }
 877
 878 static HRESULT WINAPI
 879 IDirectSoundCaptureBufferImpl_GetCurrentPosition(
 880     LPDIRECTSOUNDCAPTUREBUFFER8 iface,
 881     LPDWORD lpdwCapturePosition,
 882     LPDWORD lpdwReadPosition )
 883 {
 884     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
 885     HRESULT hres = DS_OK;
 886     TRACE( "(%p,%p,%p)\n", This, lpdwCapturePosition, lpdwReadPosition );
 887
 888     if (This->device == NULL) {
 889         WARN("invalid parameter: This->device == NULL\n");
 890         return DSERR_INVALIDPARAM;
 891     }
 892
 893     if (This->device->driver) {
 894         hres = IDsCaptureDriverBuffer_GetPosition(This->device->hwbuf, lpdwCapturePosition, lpdwReadPosition );
 895         if (hres != DS_OK)
 896             WARN("IDsCaptureDriverBuffer_GetPosition failed\n");
 897     } else if (This->device->hwi) {
 898         EnterCriticalSection(&(This->device->lock));
 899         TRACE("old This->device->state=%s\n",captureStateString[This->device->state]);
 900         if (lpdwCapturePosition) {
 901             MMTIME mtime;
 902             mtime.wType = TIME_BYTES;
 903             waveInGetPosition(This->device->hwi, &mtime, sizeof(mtime));
 904             TRACE("mtime.u.cb=%d,This->device->buflen=%d\n", mtime.u.cb,
 905                 This->device->buflen);
 906             mtime.u.cb = mtime.u.cb % This->device->buflen;
 907             *lpdwCapturePosition = mtime.u.cb;
 908         }
 909
 910         if (lpdwReadPosition) {
 911             if (This->device->state == STATE_STARTING) {
 912                 if (lpdwCapturePosition)
 913                     This->device->read_position = *lpdwCapturePosition;
 914                 This->device->state = STATE_CAPTURING;
 915             }
 916             *lpdwReadPosition = This->device->read_position;
 917         }
 918         TRACE("new This->device->state=%s\n",captureStateString[This->device->state]);
 919         LeaveCriticalSection(&(This->device->lock));
 920         if (lpdwCapturePosition) TRACE("*lpdwCapturePosition=%d\n",*lpdwCapturePosition);
 921         if (lpdwReadPosition) TRACE("*lpdwReadPosition=%d\n",*lpdwReadPosition);
 922     } else {
 923         WARN("no driver\n");
 924         hres = DSERR_NODRIVER;
 925     }
 926
 927     TRACE("returning %08x\n", hres);
 928     return hres;
 929 }
 930
 931 static HRESULT WINAPI
 932 IDirectSoundCaptureBufferImpl_GetFormat(
 933     LPDIRECTSOUNDCAPTUREBUFFER8 iface,
 934     LPWAVEFORMATEX lpwfxFormat,
 935     DWORD dwSizeAllocated,
 936     LPDWORD lpdwSizeWritten )
 937 {
 938     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
 939     HRESULT hres = DS_OK;
 940     TRACE( "(%p,%p,0x%08x,%p)\n", This, lpwfxFormat, dwSizeAllocated,
 941         lpdwSizeWritten );
 942
 943     if (This->device == NULL) {
 944         WARN("invalid parameter: This->device == NULL\n");
 945         return DSERR_INVALIDPARAM;
 946     }
 947
 948     if (dwSizeAllocated > (sizeof(WAVEFORMATEX) + This->device->pwfx->cbSize))
 949         dwSizeAllocated = sizeof(WAVEFORMATEX) + This->device->pwfx->cbSize;
 950
 951     if (lpwfxFormat) { /* NULL is valid (just want size) */
 952         CopyMemory(lpwfxFormat, This->device->pwfx, dwSizeAllocated);
 953         if (lpdwSizeWritten)
 954             *lpdwSizeWritten = dwSizeAllocated;
 955     } else {
 956         if (lpdwSizeWritten)
 957             *lpdwSizeWritten = sizeof(WAVEFORMATEX) + This->device->pwfx->cbSize;
 958         else {
 959             TRACE("invalid parameter: lpdwSizeWritten = NULL\n");
 960             hres = DSERR_INVALIDPARAM;
 961         }
 962     }
 963
 964     TRACE("returning %08x\n", hres);
 965     return hres;
 966 }
 967
 968 static HRESULT WINAPI
 969 IDirectSoundCaptureBufferImpl_GetStatus(
 970     LPDIRECTSOUNDCAPTUREBUFFER8 iface,
 971     LPDWORD lpdwStatus )
 972 {
 973     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
 974     TRACE( "(%p, %p), thread is %04x\n", This, lpdwStatus, GetCurrentThreadId() );
 975
 976     if (This->device == NULL) {
 977         WARN("invalid parameter: This->device == NULL\n");
 978         return DSERR_INVALIDPARAM;
 979     }
 980
 981     if (lpdwStatus == NULL) {
 982         WARN("invalid parameter: lpdwStatus == NULL\n");
 983         return DSERR_INVALIDPARAM;
 984     }
 985
 986     *lpdwStatus = 0;
 987     EnterCriticalSection(&(This->device->lock));
 988
 989     TRACE("old This->device->state=%s, old lpdwStatus=%08x\n",
 990         captureStateString[This->device->state],*lpdwStatus);
 991     if ((This->device->state == STATE_STARTING) ||
 992         (This->device->state == STATE_CAPTURING)) {
 993         *lpdwStatus |= DSCBSTATUS_CAPTURING;
 994         if (This->flags & DSCBSTART_LOOPING)
 995             *lpdwStatus |= DSCBSTATUS_LOOPING;
 996     }
 997     TRACE("new This->device->state=%s, new lpdwStatus=%08x\n",
 998         captureStateString[This->device->state],*lpdwStatus);
 999     LeaveCriticalSection(&(This->device->lock));
1000
1001     TRACE("status=%x\n", *lpdwStatus);
1002     TRACE("returning DS_OK\n");
1003     return DS_OK;
1004 }
1005
1006 static HRESULT WINAPI
1007 IDirectSoundCaptureBufferImpl_Initialize(
1008     LPDIRECTSOUNDCAPTUREBUFFER8 iface,
1009     LPDIRECTSOUNDCAPTURE lpDSC,
1010     LPCDSCBUFFERDESC lpcDSCBDesc )
1011 {
1012     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
1013
1014     FIXME( "(%p,%p,%p): stub\n", This, lpDSC, lpcDSCBDesc );
1015
1016     return DS_OK;
1017 }
1018
1019 static HRESULT WINAPI
1020 IDirectSoundCaptureBufferImpl_Lock(
1021     LPDIRECTSOUNDCAPTUREBUFFER8 iface,
1022     DWORD dwReadCusor,
1023     DWORD dwReadBytes,
1024     LPVOID* lplpvAudioPtr1,
1025     LPDWORD lpdwAudioBytes1,
1026     LPVOID* lplpvAudioPtr2,
1027     LPDWORD lpdwAudioBytes2,
1028     DWORD dwFlags )
1029 {
1030     HRESULT hres = DS_OK;
1031     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
1032     TRACE( "(%p,%08u,%08u,%p,%p,%p,%p,0x%08x) at %d\n", This, dwReadCusor,
1033         dwReadBytes, lplpvAudioPtr1, lpdwAudioBytes1, lplpvAudioPtr2,
1034         lpdwAudioBytes2, dwFlags, GetTickCount() );
1035
1036     if (This->device == NULL) {
1037         WARN("invalid parameter: This->device == NULL\n");
1038         return DSERR_INVALIDPARAM;
1039     }
1040
1041     if (lplpvAudioPtr1 == NULL) {
1042         WARN("invalid parameter: lplpvAudioPtr1 == NULL\n");
1043         return DSERR_INVALIDPARAM;
1044     }
1045
1046     if (lpdwAudioBytes1 == NULL) {
1047         WARN("invalid parameter: lpdwAudioBytes1 == NULL\n");
1048         return DSERR_INVALIDPARAM;
1049     }
1050
1051     EnterCriticalSection(&(This->device->lock));
1052
1053     if (This->device->driver) {
1054         hres = IDsCaptureDriverBuffer_Lock(This->device->hwbuf, lplpvAudioPtr1,
1055                                            lpdwAudioBytes1, lplpvAudioPtr2,
1056                                            lpdwAudioBytes2, dwReadCusor,
1057                                            dwReadBytes, dwFlags);
1058         if (hres != DS_OK)
1059             WARN("IDsCaptureDriverBuffer_Lock failed\n");
1060     } else if (This->device->hwi) {
1061         *lplpvAudioPtr1 = This->device->buffer + dwReadCusor;
1062         if ( (dwReadCusor + dwReadBytes) > This->device->buflen) {
1063             *lpdwAudioBytes1 = This->device->buflen - dwReadCusor;
1064             if (lplpvAudioPtr2)
1065                 *lplpvAudioPtr2 = This->device->buffer;
1066             if (lpdwAudioBytes2)
1067                 *lpdwAudioBytes2 = dwReadBytes - *lpdwAudioBytes1;
1068         } else {
1069             *lpdwAudioBytes1 = dwReadBytes;
1070             if (lplpvAudioPtr2)
1071                 *lplpvAudioPtr2 = 0;
1072             if (lpdwAudioBytes2)
1073                 *lpdwAudioBytes2 = 0;
1074         }
1075     } else {
1076         TRACE("invalid call\n");
1077         hres = DSERR_INVALIDCALL;   /* DSERR_NODRIVER ? */
1078     }
1079
1080     LeaveCriticalSection(&(This->device->lock));
1081
1082     TRACE("returning %08x\n", hres);
1083     return hres;
1084 }
1085
1086 static HRESULT WINAPI
1087 IDirectSoundCaptureBufferImpl_Start(
1088     LPDIRECTSOUNDCAPTUREBUFFER8 iface,
1089     DWORD dwFlags )
1090 {
1091     HRESULT hres = DS_OK;
1092     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
1093     TRACE( "(%p,0x%08x)\n", This, dwFlags );
1094
1095     if (This->device == NULL) {
1096         WARN("invalid parameter: This->device == NULL\n");
1097         return DSERR_INVALIDPARAM;
1098     }
1099
1100     if ( (This->device->driver == 0) && (This->device->hwi == 0) ) {
1101         WARN("no driver\n");
1102         return DSERR_NODRIVER;
1103     }
1104
1105     EnterCriticalSection(&(This->device->lock));
1106
1107     This->flags = dwFlags;
1108     TRACE("old This->state=%s\n",captureStateString[This->device->state]);
1109     if (This->device->state == STATE_STOPPED)
1110         This->device->state = STATE_STARTING;
1111     else if (This->device->state == STATE_STOPPING)
1112         This->device->state = STATE_CAPTURING;
1113     TRACE("new This->device->state=%s\n",captureStateString[This->device->state]);
1114
1115     LeaveCriticalSection(&(This->device->lock));
1116
1117     if (This->device->driver) {
1118         hres = IDsCaptureDriverBuffer_Start(This->device->hwbuf, dwFlags);
1119         if (hres != DS_OK)
1120             WARN("IDsCaptureDriverBuffer_Start failed\n");
1121     } else if (This->device->hwi) {
1122         DirectSoundCaptureDevice *device = This->device;
1123
1124         if (device->buffer) {
1125             if (This->nrofnotifies) {
1126                 int c;
1127
1128                 device->nrofpwaves = This->nrofnotifies;
1129                 TRACE("nrofnotifies=%d\n", This->nrofnotifies);
1130
1131                 /* prepare headers */
1132                 if (device->pwave)
1133                     device->pwave = HeapReAlloc(GetProcessHeap(),0,device->pwave,
1134                         device->nrofpwaves*sizeof(WAVEHDR));
1135                 else
1136                     device->pwave = HeapAlloc(GetProcessHeap(),0,
1137                         device->nrofpwaves*sizeof(WAVEHDR));
1138
1139                 for (c = 0; c < device->nrofpwaves; c++) {
1140                     if (This->notifies[c].dwOffset == DSBPN_OFFSETSTOP) {
1141                         TRACE("got DSBPN_OFFSETSTOP\n");
1142                         device->nrofpwaves = c;
1143                         break;
1144                     }
1145                     if (c == 0) {
1146                         device->pwave[0].lpData = (LPSTR)device->buffer;
1147                         device->pwave[0].dwBufferLength =
1148                             This->notifies[0].dwOffset + 1;
1149                     } else {
1150                         device->pwave[c].lpData = (LPSTR)device->buffer +
1151                             This->notifies[c-1].dwOffset + 1;
1152                         device->pwave[c].dwBufferLength =
1153                             This->notifies[c].dwOffset -
1154                             This->notifies[c-1].dwOffset;
1155                     }
1156                     device->pwave[c].dwBytesRecorded = 0;
1157                     device->pwave[c].dwUser = (DWORD)device;
1158                     device->pwave[c].dwFlags = 0;
1159                     device->pwave[c].dwLoops = 0;
1160                     hres = mmErr(waveInPrepareHeader(device->hwi,
1161                         &(device->pwave[c]),sizeof(WAVEHDR)));
1162                     if (hres != DS_OK) {
1163                         WARN("waveInPrepareHeader failed\n");
1164                         while (c--)
1165                             waveInUnprepareHeader(device->hwi,
1166                                 &(device->pwave[c]),sizeof(WAVEHDR));
1167                         break;
1168                     }
1169
1170                     hres = mmErr(waveInAddBuffer(device->hwi,
1171                         &(device->pwave[c]), sizeof(WAVEHDR)));
1172                     if (hres != DS_OK) {
1173                         WARN("waveInAddBuffer failed\n");
1174                         while (c--)
1175                             waveInUnprepareHeader(device->hwi,
1176                                 &(device->pwave[c]),sizeof(WAVEHDR));
1177                         break;
1178                     }
1179                 }
1180
1181                 FillMemory(device->buffer, device->buflen,
1182                     (device->pwfx->wBitsPerSample == 8) ? 128 : 0);
1183             } else {
1184                 TRACE("no notifiers specified\n");
1185                 /* no notifiers specified so just create a single default header */
1186                 device->nrofpwaves = 1;
1187                 if (device->pwave)
1188                     device->pwave = HeapReAlloc(GetProcessHeap(),0,device->pwave,sizeof(WAVEHDR));
1189                 else
1190                     device->pwave = HeapAlloc(GetProcessHeap(),0,sizeof(WAVEHDR));
1191
1192                 device->pwave[0].lpData = (LPSTR)device->buffer;
1193                 device->pwave[0].dwBufferLength = device->buflen;
1194                 device->pwave[0].dwBytesRecorded = 0;
1195                 device->pwave[0].dwUser = (DWORD)device;
1196                 device->pwave[0].dwFlags = 0;
1197                 device->pwave[0].dwLoops = 0;
1198
1199                 hres = mmErr(waveInPrepareHeader(device->hwi,
1200                     &(device->pwave[0]),sizeof(WAVEHDR)));
1201                 if (hres != DS_OK) {
1202                     WARN("waveInPrepareHeader failed\n");
1203                     waveInUnprepareHeader(device->hwi,
1204                         &(device->pwave[0]),sizeof(WAVEHDR));
1205                 }
1206                 hres = mmErr(waveInAddBuffer(device->hwi,
1207                     &(device->pwave[0]), sizeof(WAVEHDR)));
1208                 if (hres != DS_OK) {
1209                     WARN("waveInAddBuffer failed\n");
1210                     waveInUnprepareHeader(device->hwi,
1211                         &(device->pwave[0]),sizeof(WAVEHDR));
1212                 }
1213             }
1214         }
1215
1216         device->index = 0;
1217         device->read_position = 0;
1218
1219         if (hres == DS_OK) {
1220             /* start filling the first buffer */
1221             hres = mmErr(waveInStart(device->hwi));
1222             if (hres != DS_OK)
1223                 WARN("waveInStart failed\n");
1224         }
1225
1226         if (hres != DS_OK) {
1227             WARN("calling waveInClose because of error\n");
1228             waveInClose(device->hwi);
1229             device->hwi = 0;
1230         }
1231     } else {
1232         WARN("no driver\n");
1233         hres = DSERR_NODRIVER;
1234     }
1235
1236     TRACE("returning %08x\n", hres);
1237     return hres;
1238 }
1239
1240 static HRESULT WINAPI
1241 IDirectSoundCaptureBufferImpl_Stop( LPDIRECTSOUNDCAPTUREBUFFER8 iface )
1242 {
1243     HRESULT hres = DS_OK;
1244     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
1245     TRACE( "(%p)\n", This );
1246
1247     if (This->device == NULL) {
1248         WARN("invalid parameter: This->device == NULL\n");
1249         return DSERR_INVALIDPARAM;
1250     }
1251
1252     EnterCriticalSection(&(This->device->lock));
1253
1254     TRACE("old This->device->state=%s\n",captureStateString[This->device->state]);
1255     if (This->device->state == STATE_CAPTURING)
1256         This->device->state = STATE_STOPPING;
1257     else if (This->device->state == STATE_STARTING)
1258         This->device->state = STATE_STOPPED;
1259     TRACE("new This->device->state=%s\n",captureStateString[This->device->state]);
1260
1261     LeaveCriticalSection(&(This->device->lock));
1262
1263     if (This->device->driver) {
1264         hres = IDsCaptureDriverBuffer_Stop(This->device->hwbuf);
1265         if (hres != DS_OK)
1266             WARN("IDsCaptureDriverBuffer_Stop() failed\n");
1267     } else if (This->device->hwi) {
1268         hres = mmErr(waveInReset(This->device->hwi));
1269         if (hres != DS_OK)
1270             WARN("waveInReset() failed\n");
1271     } else {
1272         WARN("no driver\n");
1273         hres = DSERR_NODRIVER;
1274     }
1275
1276     TRACE("returning %08x\n", hres);
1277     return hres;
1278 }
1279
1280 static HRESULT WINAPI
1281 IDirectSoundCaptureBufferImpl_Unlock(
1282     LPDIRECTSOUNDCAPTUREBUFFER8 iface,
1283     LPVOID lpvAudioPtr1,
1284     DWORD dwAudioBytes1,
1285     LPVOID lpvAudioPtr2,
1286     DWORD dwAudioBytes2 )
1287 {
1288     HRESULT hres = DS_OK;
1289     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
1290     TRACE( "(%p,%p,%08u,%p,%08u)\n", This, lpvAudioPtr1, dwAudioBytes1,
1291         lpvAudioPtr2, dwAudioBytes2 );
1292
1293     if (lpvAudioPtr1 == NULL) {
1294         WARN("invalid parameter: lpvAudioPtr1 == NULL\n");
1295         return DSERR_INVALIDPARAM;
1296     }
1297
1298     if (This->device->driver) {
1299         hres = IDsCaptureDriverBuffer_Unlock(This->device->hwbuf, lpvAudioPtr1,
1300                                              dwAudioBytes1, lpvAudioPtr2, dwAudioBytes2);
1301         if (hres != DS_OK)
1302             WARN("IDsCaptureDriverBuffer_Unlock failed\n");
1303     } else if (This->device->hwi) {
1304         This->device->read_position = (This->device->read_position +
1305             (dwAudioBytes1 + dwAudioBytes2)) % This->device->buflen;
1306     } else {
1307         WARN("invalid call\n");
1308         hres = DSERR_INVALIDCALL;
1309     }
1310
1311     TRACE("returning %08x\n", hres);
1312     return hres;
1313 }
1314
1315 static HRESULT WINAPI
1316 IDirectSoundCaptureBufferImpl_GetObjectInPath(
1317     LPDIRECTSOUNDCAPTUREBUFFER8 iface,
1318     REFGUID rguidObject,
1319     DWORD dwIndex,
1320     REFGUID rguidInterface,
1321     LPVOID* ppObject )
1322 {
1323     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
1324
1325     FIXME( "(%p,%s,%u,%s,%p): stub\n", This, debugstr_guid(rguidObject),
1326         dwIndex, debugstr_guid(rguidInterface), ppObject );
1327
1328     return DS_OK;
1329 }
1330
1331 static HRESULT WINAPI
1332 IDirectSoundCaptureBufferImpl_GetFXStatus(
1333     LPDIRECTSOUNDCAPTUREBUFFER8 iface,
1334     DWORD dwFXCount,
1335     LPDWORD pdwFXStatus )
1336 {
1337     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
1338
1339     FIXME( "(%p,%u,%p): stub\n", This, dwFXCount, pdwFXStatus );
1340
1341     return DS_OK;
1342 }
1343
1344 static const IDirectSoundCaptureBuffer8Vtbl dscbvt =
1345 {
1346     /* IUnknown methods */
1347     IDirectSoundCaptureBufferImpl_QueryInterface,
1348     IDirectSoundCaptureBufferImpl_AddRef,
1349     IDirectSoundCaptureBufferImpl_Release,
1350
1351     /* IDirectSoundCaptureBuffer methods */
1352     IDirectSoundCaptureBufferImpl_GetCaps,
1353     IDirectSoundCaptureBufferImpl_GetCurrentPosition,
1354     IDirectSoundCaptureBufferImpl_GetFormat,
1355     IDirectSoundCaptureBufferImpl_GetStatus,
1356     IDirectSoundCaptureBufferImpl_Initialize,
1357     IDirectSoundCaptureBufferImpl_Lock,
1358     IDirectSoundCaptureBufferImpl_Start,
1359     IDirectSoundCaptureBufferImpl_Stop,
1360     IDirectSoundCaptureBufferImpl_Unlock,
1361
1362     /* IDirectSoundCaptureBuffer methods */
1363     IDirectSoundCaptureBufferImpl_GetObjectInPath,
1364     IDirectSoundCaptureBufferImpl_GetFXStatus
1365 };
1366
1367 HRESULT IDirectSoundCaptureBufferImpl_Create(
1368     DirectSoundCaptureDevice *device,
1369     IDirectSoundCaptureBufferImpl ** ppobj,
1370     LPCDSCBUFFERDESC lpcDSCBufferDesc)
1371 {
1372     LPWAVEFORMATEX  wfex;
1373     TRACE( "(%p,%p,%p)\n", device, ppobj, lpcDSCBufferDesc);
1374
1375     if (ppobj == NULL) {
1376         WARN("invalid parameter: ppobj == NULL\n");
1377         return DSERR_INVALIDPARAM;
1378     }
1379
1380     if (!device) {
1381         WARN("not initialized\n");
1382         *ppobj = NULL;
1383         return DSERR_UNINITIALIZED;
1384     }
1385
1386     if (lpcDSCBufferDesc == NULL) {
1387         WARN("invalid parameter: lpcDSCBufferDesc == NULL\n");
1388         *ppobj = NULL;
1389         return DSERR_INVALIDPARAM;
1390     }
1391
1392     if ( ((lpcDSCBufferDesc->dwSize != sizeof(DSCBUFFERDESC)) &&
1393           (lpcDSCBufferDesc->dwSize != sizeof(DSCBUFFERDESC1))) ||
1394         (lpcDSCBufferDesc->dwBufferBytes == 0) ||
1395         (lpcDSCBufferDesc->lpwfxFormat == NULL) ) {
1396         WARN("invalid lpcDSCBufferDesc\n");
1397         *ppobj = NULL;
1398         return DSERR_INVALIDPARAM;
1399     }
1400
1401     wfex = lpcDSCBufferDesc->lpwfxFormat;
1402
1403     if (wfex) {
1404         TRACE("(formattag=0x%04x,chans=%d,samplerate=%d,"
1405             "bytespersec=%d,blockalign=%d,bitspersamp=%d,cbSize=%d)\n",
1406             wfex->wFormatTag, wfex->nChannels, wfex->nSamplesPerSec,
1407             wfex->nAvgBytesPerSec, wfex->nBlockAlign,
1408             wfex->wBitsPerSample, wfex->cbSize);
1409
1410         if (wfex->wFormatTag == WAVE_FORMAT_PCM) {
1411             device->pwfx = HeapAlloc(GetProcessHeap(),0,sizeof(WAVEFORMATEX));
1412             CopyMemory(device->pwfx, wfex, sizeof(WAVEFORMATEX));
1413             device->pwfx->cbSize = 0;
1414         } else {
1415             device->pwfx = HeapAlloc(GetProcessHeap(),0,sizeof(WAVEFORMATEX)+wfex->cbSize);
1416             CopyMemory(device->pwfx, wfex, sizeof(WAVEFORMATEX)+wfex->cbSize);
1417         }
1418     } else {
1419         WARN("lpcDSCBufferDesc->lpwfxFormat == 0\n");
1420         *ppobj = NULL;
1421         return DSERR_INVALIDPARAM; /* FIXME: DSERR_BADFORMAT ? */
1422     }
1423
1424     *ppobj = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,
1425         sizeof(IDirectSoundCaptureBufferImpl));
1426
1427     if ( *ppobj == NULL ) {
1428         WARN("out of memory\n");
1429         *ppobj = NULL;
1430         return DSERR_OUTOFMEMORY;
1431     } else {
1432         HRESULT err = DS_OK;
1433         LPBYTE newbuf;
1434         DWORD buflen;
1435         IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)*ppobj;
1436
1437         This->ref = 1;
1438         This->device = device;
1439         This->device->capture_buffer = This;
1440         This->notify = NULL;
1441         This->nrofnotifies = 0;
1442         This->hwnotify = NULL;
1443
1444         This->pdscbd = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,
1445             lpcDSCBufferDesc->dwSize);
1446         if (This->pdscbd)
1447             CopyMemory(This->pdscbd, lpcDSCBufferDesc, lpcDSCBufferDesc->dwSize);
1448         else {
1449             WARN("no memory\n");
1450             This->device->capture_buffer = 0;
1451             HeapFree( GetProcessHeap(), 0, This );
1452             *ppobj = NULL;
1453             return DSERR_OUTOFMEMORY;
1454         }
1455
1456         This->lpVtbl = &dscbvt;
1457
1458         if (device->driver) {
1459             if (This->device->drvdesc.dwFlags & DSDDESC_DOMMSYSTEMOPEN)
1460                 FIXME("DSDDESC_DOMMSYSTEMOPEN not supported\n");
1461
1462             if (This->device->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) {
1463                 /* allocate buffer from system memory */
1464                 buflen = lpcDSCBufferDesc->dwBufferBytes;
1465                 TRACE("desired buflen=%d, old buffer=%p\n", buflen, device->buffer);
1466                 if (device->buffer)
1467                     newbuf = HeapReAlloc(GetProcessHeap(),0,device->buffer,buflen);
1468                 else
1469                     newbuf = HeapAlloc(GetProcessHeap(),0,buflen);
1470
1471                 if (newbuf == NULL) {
1472                     WARN("failed to allocate capture buffer\n");
1473                     err = DSERR_OUTOFMEMORY;
1474                     /* but the old buffer might still exist and must be re-prepared */
1475                 } else {
1476                     device->buffer = newbuf;
1477                     device->buflen = buflen;
1478                 }
1479             } else {
1480                 /* let driver allocate memory */
1481                 device->buflen = lpcDSCBufferDesc->dwBufferBytes;
1482                 /* FIXME: */
1483                 HeapFree( GetProcessHeap(), 0, device->buffer);
1484                 device->buffer = NULL;
1485             }
1486
1487             err = IDsCaptureDriver_CreateCaptureBuffer(device->driver,
1488                 device->pwfx,0,0,&(device->buflen),&(device->buffer),(LPVOID*)&(device->hwbuf));
1489             if (err != DS_OK) {
1490                 WARN("IDsCaptureDriver_CreateCaptureBuffer failed\n");
1491                 This->device->capture_buffer = 0;
1492                 HeapFree( GetProcessHeap(), 0, This );
1493                 *ppobj = NULL;
1494                 return err;
1495             }
1496         } else {
1497             DWORD flags = CALLBACK_FUNCTION;
1498             if (ds_hw_accel != DS_HW_ACCEL_EMULATION)
1499                 flags |= WAVE_DIRECTSOUND;
1500             err = mmErr(waveInOpen(&(device->hwi),
1501                 device->drvdesc.dnDevNode, device->pwfx,
1502                 (DWORD_PTR)DSOUND_capture_callback, (DWORD)device, flags));
1503             if (err != DS_OK) {
1504                 WARN("waveInOpen failed\n");
1505                 This->device->capture_buffer = 0;
1506                 HeapFree( GetProcessHeap(), 0, This );
1507                 *ppobj = NULL;
1508                 return err;
1509             }
1510
1511             buflen = lpcDSCBufferDesc->dwBufferBytes;
1512             TRACE("desired buflen=%d, old buffer=%p\n", buflen, device->buffer);
1513             if (device->buffer)
1514                 newbuf = HeapReAlloc(GetProcessHeap(),0,device->buffer,buflen);
1515             else
1516                 newbuf = HeapAlloc(GetProcessHeap(),0,buflen);
1517             if (newbuf == NULL) {
1518                 WARN("failed to allocate capture buffer\n");
1519                 err = DSERR_OUTOFMEMORY;
1520                 /* but the old buffer might still exist and must be re-prepared */
1521             } else {
1522                 device->buffer = newbuf;
1523                 device->buflen = buflen;
1524             }
1525         }
1526     }
1527
1528     TRACE("returning DS_OK\n");
1529     return DS_OK;
1530 }
1531
1532 /*******************************************************************************
1533  * DirectSoundCaptureDevice
1534  */
1535 HRESULT DirectSoundCaptureDevice_Initialize(
1536     DirectSoundCaptureDevice ** ppDevice,
1537     LPCGUID lpcGUID)
1538 {
1539     HRESULT err = DSERR_INVALIDPARAM;
1540     unsigned wid, widn;
1541     BOOLEAN found = FALSE;
1542     GUID devGUID;
1543     DirectSoundCaptureDevice *device = *ppDevice;
1544     TRACE("(%p, %s)\n", ppDevice, debugstr_guid(lpcGUID));
1545
1546     /* Default device? */
1547     if ( !lpcGUID || IsEqualGUID(lpcGUID, &GUID_NULL) )
1548         lpcGUID = &DSDEVID_DefaultCapture;
1549
1550     if (GetDeviceID(lpcGUID, &devGUID) != DS_OK) {
1551         WARN("invalid parameter: lpcGUID\n");
1552         return DSERR_INVALIDPARAM;
1553     }
1554
1555     widn = waveInGetNumDevs();
1556     if (!widn) {
1557         WARN("no audio devices found\n");
1558         return DSERR_NODRIVER;
1559     }
1560
1561     /* enumerate WINMM audio devices and find the one we want */
1562     for (wid=0; wid<widn; wid++) {
1563         if (IsEqualGUID( &devGUID, &DSOUND_capture_guids[wid]) ) {
1564             found = TRUE;
1565             break;
1566         }
1567     }
1568
1569     if (found == FALSE) {
1570         WARN("No device found matching given ID!\n");
1571         return DSERR_NODRIVER;
1572     }
1573
1574     if (DSOUND_capture[wid]) {
1575         WARN("already in use\n");
1576         return DSERR_ALLOCATED;
1577     }
1578
1579     err = DirectSoundCaptureDevice_Create(&(device));
1580     if (err != DS_OK) {
1581         WARN("DirectSoundCaptureDevice_Create failed\n");
1582         return err;
1583     }
1584
1585     *ppDevice = device;
1586     device->guid = devGUID;
1587
1588     err = mmErr(waveInMessage((HWAVEIN)wid,DRV_QUERYDSOUNDIFACE,(DWORD_PTR)&(device->driver),0));
1589     if ( (err != DS_OK) && (err != DSERR_UNSUPPORTED) ) {
1590         WARN("waveInMessage failed; err=%x\n",err);
1591         return err;
1592     }
1593     err = DS_OK;
1594
1595     /* Disable the direct sound driver to force emulation if requested. */
1596     if (ds_hw_accel == DS_HW_ACCEL_EMULATION)
1597         device->driver = NULL;
1598
1599     /* Get driver description */
1600     if (device->driver) {
1601         TRACE("using DirectSound driver\n");
1602         err = IDsCaptureDriver_GetDriverDesc(device->driver, &(device->drvdesc));
1603         if (err != DS_OK) {
1604             WARN("IDsCaptureDriver_GetDriverDesc failed\n");
1605             return err;
1606         }
1607     } else {
1608         TRACE("using WINMM\n");
1609         /* if no DirectSound interface available, use WINMM API instead */
1610         device->drvdesc.dwFlags = DSDDESC_DOMMSYSTEMOPEN |
1611             DSDDESC_DOMMSYSTEMSETFORMAT;
1612     }
1613
1614     device->drvdesc.dnDevNode = wid;
1615
1616     /* open the DirectSound driver if available */
1617     if (device->driver && (err == DS_OK))
1618         err = IDsCaptureDriver_Open(device->driver);
1619
1620     if (err == DS_OK) {
1621         *ppDevice = device;
1622
1623         /* the driver is now open, so it's now allowed to call GetCaps */
1624         if (device->driver) {
1625             device->drvcaps.dwSize = sizeof(device->drvcaps);
1626             err = IDsCaptureDriver_GetCaps(device->driver,&(device->drvcaps));
1627             if (err != DS_OK) {
1628                 WARN("IDsCaptureDriver_GetCaps failed\n");
1629                 return err;
1630             }
1631         } else /*if (device->hwi)*/ {
1632             WAVEINCAPSA    wic;
1633             err = mmErr(waveInGetDevCapsA((UINT)device->drvdesc.dnDevNode, &wic, sizeof(wic)));
1634
1635             if (err == DS_OK) {
1636                 device->drvcaps.dwFlags = 0;
1637                 lstrcpynA(device->drvdesc.szDrvname, wic.szPname,
1638                           sizeof(device->drvdesc.szDrvname));
1639
1640                 device->drvcaps.dwFlags |= DSCCAPS_EMULDRIVER;
1641                 device->drvcaps.dwFormats = wic.dwFormats;
1642                 device->drvcaps.dwChannels = wic.wChannels;
1643             }
1644         }
1645     }
1646
1647     return err;
1648 }
1649
1650 static HRESULT DirectSoundCaptureDevice_Create(
1651     DirectSoundCaptureDevice ** ppDevice)
1652 {
1653     DirectSoundCaptureDevice * device;
1654     TRACE("(%p)\n", ppDevice);
1655
1656     /* Allocate memory */
1657     device = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DirectSoundCaptureDevice));
1658
1659     if (device == NULL) {
1660         WARN("out of memory\n");
1661         return DSERR_OUTOFMEMORY;
1662     }
1663
1664     device->ref = 1;
1665     device->state = STATE_STOPPED;
1666
1667     InitializeCriticalSection( &(device->lock) );
1668     device->lock.DebugInfo->Spare[0] = (DWORD_PTR)"DSCAPTURE_lock";
1669
1670     *ppDevice = device;
1671
1672     return DS_OK;
1673 }
1674
1675 ULONG DirectSoundCaptureDevice_AddRef(
1676     DirectSoundCaptureDevice * device)
1677 {
1678     ULONG ref = InterlockedIncrement(&(device->ref));
1679     TRACE("(%p) ref was %d\n", device, ref - 1);
1680     return ref;
1681 }
1682
1683 ULONG DirectSoundCaptureDevice_Release(
1684     DirectSoundCaptureDevice * device)
1685 {
1686     ULONG ref = InterlockedDecrement(&(device->ref));
1687     TRACE("(%p) ref was %d\n", device, ref + 1);
1688
1689     if (!ref) {
1690         TRACE("deleting object\n");
1691         if (device->capture_buffer)
1692             IDirectSoundCaptureBufferImpl_Release(
1693                 (LPDIRECTSOUNDCAPTUREBUFFER8) device->capture_buffer);
1694
1695         if (device->driver) {
1696             IDsCaptureDriver_Close(device->driver);
1697             IDsCaptureDriver_Release(device->driver);
1698         }
1699
1700         HeapFree(GetProcessHeap(), 0, device->pwfx);
1701         device->lock.DebugInfo->Spare[0] = 0;
1702         DeleteCriticalSection( &(device->lock) );
1703         DSOUND_capture[device->drvdesc.dnDevNode] = NULL;
1704         HeapFree(GetProcessHeap(), 0, device);
1705         TRACE("(%p) released\n", device);
1706     }
1707     return ref;
1708 }