git.oblomov.eu Git - wine/blob - 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             IDirectSoundNotify_AddRef((LPDIRECTSOUNDNOTIFY)This->notify);
 769             if (This->device->hwbuf && !This->hwnotify) {
 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                     IDirectSoundNotify_Release((LPDIRECTSOUNDNOTIFY)This->notify);
 775                     *ppobj = 0;
 776                     return hres;
 777                 }
 778             }
 779
 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         TRACE("old This->device->state=%s\n",captureStateString[This->device->state]);
 899         if (lpdwCapturePosition) {
 900             MMTIME mtime;
 901             mtime.wType = TIME_BYTES;
 902             waveInGetPosition(This->device->hwi, &mtime, sizeof(mtime));
 903             TRACE("mtime.u.cb=%d,This->device->buflen=%d\n", mtime.u.cb,
 904                 This->device->buflen);
 905             mtime.u.cb = mtime.u.cb % This->device->buflen;
 906             *lpdwCapturePosition = mtime.u.cb;
 907         }
 908
 909         EnterCriticalSection(&(This->device->lock));
 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             err = mmErr(waveInOpen(&(device->hwi),
1499                 device->drvdesc.dnDevNode, device->pwfx,
1500                 (DWORD_PTR)DSOUND_capture_callback, (DWORD)device, flags));
1501             if (err != DS_OK) {
1502                 WARN("waveInOpen failed\n");
1503                 This->device->capture_buffer = 0;
1504                 HeapFree( GetProcessHeap(), 0, This );
1505                 *ppobj = NULL;
1506                 return err;
1507             }
1508
1509             buflen = lpcDSCBufferDesc->dwBufferBytes;
1510             TRACE("desired buflen=%d, old buffer=%p\n", buflen, device->buffer);
1511             if (device->buffer)
1512                 newbuf = HeapReAlloc(GetProcessHeap(),0,device->buffer,buflen);
1513             else
1514                 newbuf = HeapAlloc(GetProcessHeap(),0,buflen);
1515             if (newbuf == NULL) {
1516                 WARN("failed to allocate capture buffer\n");
1517                 err = DSERR_OUTOFMEMORY;
1518                 /* but the old buffer might still exist and must be re-prepared */
1519             } else {
1520                 device->buffer = newbuf;
1521                 device->buflen = buflen;
1522             }
1523         }
1524     }
1525
1526     TRACE("returning DS_OK\n");
1527     return DS_OK;
1528 }
1529
1530 /*******************************************************************************
1531  * DirectSoundCaptureDevice
1532  */
1533 HRESULT DirectSoundCaptureDevice_Initialize(
1534     DirectSoundCaptureDevice ** ppDevice,
1535     LPCGUID lpcGUID)
1536 {
1537     HRESULT err = DSERR_INVALIDPARAM;
1538     unsigned wid, widn;
1539     BOOLEAN found = FALSE;
1540     GUID devGUID;
1541     DirectSoundCaptureDevice *device = *ppDevice;
1542     TRACE("(%p, %s)\n", ppDevice, debugstr_guid(lpcGUID));
1543
1544     /* Default device? */
1545     if ( !lpcGUID || IsEqualGUID(lpcGUID, &GUID_NULL) )
1546         lpcGUID = &DSDEVID_DefaultCapture;
1547
1548     if (GetDeviceID(lpcGUID, &devGUID) != DS_OK) {
1549         WARN("invalid parameter: lpcGUID\n");
1550         return DSERR_INVALIDPARAM;
1551     }
1552
1553     widn = waveInGetNumDevs();
1554     if (!widn) {
1555         WARN("no audio devices found\n");
1556         return DSERR_NODRIVER;
1557     }
1558
1559     /* enumerate WINMM audio devices and find the one we want */
1560     for (wid=0; wid<widn; wid++) {
1561         if (IsEqualGUID( &devGUID, &DSOUND_capture_guids[wid]) ) {
1562             found = TRUE;
1563             break;
1564         }
1565     }
1566
1567     if (found == FALSE) {
1568         WARN("No device found matching given ID!\n");
1569         return DSERR_NODRIVER;
1570     }
1571
1572     if (DSOUND_capture[wid]) {
1573         WARN("already in use\n");
1574         return DSERR_ALLOCATED;
1575     }
1576
1577     err = DirectSoundCaptureDevice_Create(&(device));
1578     if (err != DS_OK) {
1579         WARN("DirectSoundCaptureDevice_Create failed\n");
1580         return err;
1581     }
1582
1583     *ppDevice = device;
1584     device->guid = devGUID;
1585
1586     /* Disable the direct sound driver to force emulation if requested. */
1587     device->driver = NULL;
1588     if (ds_hw_accel != DS_HW_ACCEL_EMULATION)
1589     {
1590         err = mmErr(waveInMessage((HWAVEIN)wid,DRV_QUERYDSOUNDIFACE,(DWORD_PTR)&(device->driver),0));
1591         if ( (err != DS_OK) && (err != DSERR_UNSUPPORTED) ) {
1592             WARN("waveInMessage failed; err=%x\n",err);
1593             return err;
1594         }
1595     }
1596     err = DS_OK;
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 }