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(&DSOUND_capture_guids[wid], wDesc, wName, lpContext) == FALSE)
 380                 return DS_OK;
 381         }
 382     }
 383
 384     return DS_OK;
 385 }
 386
 387 static void capture_CheckNotify(IDirectSoundCaptureBufferImpl *This, DWORD from, DWORD len)
 388 {
 389     unsigned i;
 390     for (i = 0; i < This->nrofnotifies; ++i) {
 391         LPDSBPOSITIONNOTIFY event = This->notifies + i;
 392         DWORD offset = event->dwOffset;
 393         TRACE("checking %d, position %d, event = %p\n", i, offset, event->hEventNotify);
 394
 395         if (offset == DSBPN_OFFSETSTOP) {
 396             if (!from && !len) {
 397                 SetEvent(event->hEventNotify);
 398                 TRACE("signalled event %p (%d)\n", event->hEventNotify, i);
 399                 return;
 400             }
 401             else return;
 402         }
 403
 404         if (offset >= from && offset < (from + len))
 405         {
 406             TRACE("signalled event %p (%d)\n", event->hEventNotify, i);
 407             SetEvent(event->hEventNotify);
 408         }
 409     }
 410 }
 411
 412 static void CALLBACK
 413 DSOUND_capture_callback(
 414     HWAVEIN hwi,
 415     UINT msg,
 416     DWORD dwUser,
 417     DWORD dw1,
 418     DWORD dw2 )
 419 {
 420     DirectSoundCaptureDevice * This = (DirectSoundCaptureDevice*)dwUser;
 421     IDirectSoundCaptureBufferImpl * Moi = This->capture_buffer;
 422     TRACE("(%p,%08x(%s),%08x,%08x,%08x) entering at %d\n",hwi,msg,
 423         msg == MM_WIM_OPEN ? "MM_WIM_OPEN" : msg == MM_WIM_CLOSE ? "MM_WIM_CLOSE" :
 424         msg == MM_WIM_DATA ? "MM_WIM_DATA" : "UNKNOWN",dwUser,dw1,dw2,GetTickCount());
 425
 426     if (msg == MM_WIM_DATA) {
 427         EnterCriticalSection( &(This->lock) );
 428         TRACE("DirectSoundCapture msg=MM_WIM_DATA, old This->state=%s, old This->index=%d\n",
 429             captureStateString[This->state],This->index);
 430         if (This->state != STATE_STOPPED) {
 431             int index = This->index;
 432             if (This->state == STATE_STARTING)
 433                 This->state = STATE_CAPTURING;
 434             capture_CheckNotify(Moi, (DWORD_PTR)This->pwave[index].lpData - (DWORD_PTR)This->buffer, This->pwave[index].dwBufferLength);
 435             This->index = (++This->index) % This->nrofpwaves;
 436             if ( (This->index == 0) && !(This->capture_buffer->flags & DSCBSTART_LOOPING) ) {
 437                 TRACE("end of buffer\n");
 438                 This->state = STATE_STOPPED;
 439                 capture_CheckNotify(Moi, 0, 0);
 440             } else {
 441                 if (This->state == STATE_CAPTURING) {
 442                     waveInUnprepareHeader(hwi, &(This->pwave[index]), sizeof(WAVEHDR));
 443                     waveInPrepareHeader(hwi, &(This->pwave[index]), sizeof(WAVEHDR));
 444                     waveInAddBuffer(hwi, &(This->pwave[index]), sizeof(WAVEHDR));
 445                 } else if (This->state == STATE_STOPPING) {
 446                     TRACE("stopping\n");
 447                     This->state = STATE_STOPPED;
 448                 }
 449             }
 450         }
 451         TRACE("DirectSoundCapture new This->state=%s, new This->index=%d\n",
 452             captureStateString[This->state],This->index);
 453         LeaveCriticalSection( &(This->lock) );
 454     }
 455
 456     TRACE("completed\n");
 457 }
 458
 459 /***************************************************************************
 460  * IDirectSoundCaptureImpl
 461  */
 462 static HRESULT WINAPI
 463 IDirectSoundCaptureImpl_QueryInterface(
 464     LPDIRECTSOUNDCAPTURE iface,
 465     REFIID riid,
 466     LPVOID* ppobj )
 467 {
 468     IDirectSoundCaptureImpl *This = (IDirectSoundCaptureImpl *)iface;
 469     TRACE( "(%p,%s,%p)\n", This, debugstr_guid(riid), ppobj );
 470
 471     if (ppobj == NULL) {
 472         WARN("invalid parameter\n");
 473         return E_INVALIDARG;
 474     }
 475
 476     *ppobj = NULL;
 477
 478     if (IsEqualIID(riid, &IID_IUnknown)) {
 479         IDirectSoundCapture_AddRef((LPDIRECTSOUNDCAPTURE)This);
 480         *ppobj = This;
 481         return DS_OK;
 482     } else if (IsEqualIID(riid, &IID_IDirectSoundCapture)) {
 483         IDirectSoundCapture_AddRef((LPDIRECTSOUNDCAPTURE)This);
 484         *ppobj = This;
 485         return DS_OK;
 486     }
 487
 488     WARN("unsupported riid: %s\n", debugstr_guid(riid));
 489     return E_NOINTERFACE;
 490 }
 491
 492 static ULONG WINAPI
 493 IDirectSoundCaptureImpl_AddRef( LPDIRECTSOUNDCAPTURE iface )
 494 {
 495     IDirectSoundCaptureImpl *This = (IDirectSoundCaptureImpl *)iface;
 496     ULONG ref = InterlockedIncrement(&(This->ref));
 497     TRACE("(%p) ref was %d\n", This, ref - 1);
 498     return ref;
 499 }
 500
 501 static ULONG WINAPI
 502 IDirectSoundCaptureImpl_Release( LPDIRECTSOUNDCAPTURE iface )
 503 {
 504     IDirectSoundCaptureImpl *This = (IDirectSoundCaptureImpl *)iface;
 505     ULONG ref = InterlockedDecrement(&(This->ref));
 506     TRACE("(%p) ref was %d\n", This, ref + 1);
 507
 508     if (!ref) {
 509         if (This->device)
 510             DirectSoundCaptureDevice_Release(This->device);
 511
 512         HeapFree( GetProcessHeap(), 0, This );
 513         TRACE("(%p) released\n", This);
 514     }
 515     return ref;
 516 }
 517
 518 HRESULT WINAPI IDirectSoundCaptureImpl_CreateCaptureBuffer(
 519     LPDIRECTSOUNDCAPTURE iface,
 520     LPCDSCBUFFERDESC lpcDSCBufferDesc,
 521     LPDIRECTSOUNDCAPTUREBUFFER* lplpDSCaptureBuffer,
 522     LPUNKNOWN pUnk )
 523 {
 524     HRESULT hr;
 525     IDirectSoundCaptureImpl *This = (IDirectSoundCaptureImpl *)iface;
 526
 527     TRACE( "(%p,%p,%p,%p)\n",iface,lpcDSCBufferDesc,lplpDSCaptureBuffer,pUnk);
 528
 529     if (lpcDSCBufferDesc == NULL) {
 530         WARN("invalid parameter: lpcDSCBufferDesc == NULL)\n");
 531         return DSERR_INVALIDPARAM;
 532     }
 533
 534     if (lplpDSCaptureBuffer == NULL) {
 535         WARN("invalid parameter: lplpDSCaptureBuffer == NULL\n");
 536         return DSERR_INVALIDPARAM;
 537     }
 538
 539     if (pUnk != NULL) {
 540         WARN("invalid parameter: pUnk != NULL\n");
 541         return DSERR_INVALIDPARAM;
 542     }
 543
 544     /* FIXME: We can only have one buffer so what do we do here? */
 545     if (This->device->capture_buffer) {
 546         WARN("lnvalid parameter: already has buffer\n");
 547         return DSERR_INVALIDPARAM;    /* DSERR_GENERIC ? */
 548     }
 549
 550     hr = IDirectSoundCaptureBufferImpl_Create(This->device,
 551         (IDirectSoundCaptureBufferImpl **)lplpDSCaptureBuffer, lpcDSCBufferDesc);
 552
 553     if (hr != DS_OK)
 554         WARN("IDirectSoundCaptureBufferImpl_Create failed\n");
 555
 556     return hr;
 557 }
 558
 559 HRESULT WINAPI IDirectSoundCaptureImpl_GetCaps(
 560     LPDIRECTSOUNDCAPTURE iface,
 561     LPDSCCAPS lpDSCCaps )
 562 {
 563     IDirectSoundCaptureImpl *This = (IDirectSoundCaptureImpl *)iface;
 564     TRACE("(%p,%p)\n",This,lpDSCCaps);
 565
 566     if (This->device == NULL) {
 567         WARN("not initialized\n");
 568         return DSERR_UNINITIALIZED;
 569     }
 570
 571     if (lpDSCCaps== NULL) {
 572         WARN("invalid parameter: lpDSCCaps== NULL\n");
 573         return DSERR_INVALIDPARAM;
 574     }
 575
 576     if (lpDSCCaps->dwSize < sizeof(*lpDSCCaps)) {
 577         WARN("invalid parameter: lpDSCCaps->dwSize = %d\n", lpDSCCaps->dwSize);
 578         return DSERR_INVALIDPARAM;
 579     }
 580
 581     lpDSCCaps->dwFlags = This->device->drvcaps.dwFlags;
 582     lpDSCCaps->dwFormats = This->device->drvcaps.dwFormats;
 583     lpDSCCaps->dwChannels = This->device->drvcaps.dwChannels;
 584
 585     TRACE("(flags=0x%08x,format=0x%08x,channels=%d)\n",lpDSCCaps->dwFlags,
 586         lpDSCCaps->dwFormats, lpDSCCaps->dwChannels);
 587
 588     return DS_OK;
 589 }
 590
 591 HRESULT WINAPI IDirectSoundCaptureImpl_Initialize(
 592     LPDIRECTSOUNDCAPTURE iface,
 593     LPCGUID lpcGUID )
 594 {
 595     IDirectSoundCaptureImpl *This = (IDirectSoundCaptureImpl *)iface;
 596     TRACE("(%p,%s)\n", This, debugstr_guid(lpcGUID));
 597
 598     if (This->device != NULL) {
 599         WARN("already initialized\n");
 600         return DSERR_ALREADYINITIALIZED;
 601     }
 602     return DirectSoundCaptureDevice_Initialize(&This->device, lpcGUID);
 603 }
 604
 605 static const IDirectSoundCaptureVtbl dscvt =
 606 {
 607     /* IUnknown methods */
 608     IDirectSoundCaptureImpl_QueryInterface,
 609     IDirectSoundCaptureImpl_AddRef,
 610     IDirectSoundCaptureImpl_Release,
 611
 612     /* IDirectSoundCapture methods */
 613     IDirectSoundCaptureImpl_CreateCaptureBuffer,
 614     IDirectSoundCaptureImpl_GetCaps,
 615     IDirectSoundCaptureImpl_Initialize
 616 };
 617
 618 static HRESULT IDirectSoundCaptureImpl_Create(
 619     LPDIRECTSOUNDCAPTURE8 * ppDSC)
 620 {
 621     IDirectSoundCaptureImpl *pDSC;
 622     TRACE("(%p)\n", ppDSC);
 623
 624     /* Allocate memory */
 625     pDSC = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(IDirectSoundCaptureImpl));
 626     if (pDSC == NULL) {
 627         WARN("out of memory\n");
 628         *ppDSC = NULL;
 629         return DSERR_OUTOFMEMORY;
 630     }
 631
 632     pDSC->lpVtbl = &dscvt;
 633     pDSC->ref    = 0;
 634     pDSC->device = NULL;
 635
 636     *ppDSC = (LPDIRECTSOUNDCAPTURE8)pDSC;
 637
 638     return DS_OK;
 639 }
 640
 641 /*******************************************************************************
 642  *              IDirectSoundCaptureNotify
 643  */
 644 static HRESULT WINAPI IDirectSoundCaptureNotifyImpl_QueryInterface(
 645     LPDIRECTSOUNDNOTIFY iface,
 646     REFIID riid,
 647     LPVOID *ppobj)
 648 {
 649     IDirectSoundCaptureNotifyImpl *This = (IDirectSoundCaptureNotifyImpl *)iface;
 650     TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
 651
 652     if (This->dscb == NULL) {
 653         WARN("invalid parameter\n");
 654         return E_INVALIDARG;
 655     }
 656
 657     return IDirectSoundCaptureBuffer_QueryInterface((LPDIRECTSOUNDCAPTUREBUFFER)This->dscb, riid, ppobj);
 658 }
 659
 660 static ULONG WINAPI IDirectSoundCaptureNotifyImpl_AddRef(LPDIRECTSOUNDNOTIFY iface)
 661 {
 662     IDirectSoundCaptureNotifyImpl *This = (IDirectSoundCaptureNotifyImpl *)iface;
 663     ULONG ref = InterlockedIncrement(&(This->ref));
 664     TRACE("(%p) ref was %d\n", This, ref - 1);
 665     return ref;
 666 }
 667
 668 static ULONG WINAPI IDirectSoundCaptureNotifyImpl_Release(LPDIRECTSOUNDNOTIFY iface)
 669 {
 670     IDirectSoundCaptureNotifyImpl *This = (IDirectSoundCaptureNotifyImpl *)iface;
 671     ULONG ref = InterlockedDecrement(&(This->ref));
 672     TRACE("(%p) ref was %d\n", This, ref + 1);
 673
 674     if (!ref) {
 675         if (This->dscb->hwnotify)
 676             IDsDriverNotify_Release(This->dscb->hwnotify);
 677         This->dscb->notify=NULL;
 678         IDirectSoundCaptureBuffer_Release((LPDIRECTSOUNDCAPTUREBUFFER)This->dscb);
 679         HeapFree(GetProcessHeap(),0,This);
 680         TRACE("(%p) released\n", This);
 681     }
 682     return ref;
 683 }
 684
 685 static HRESULT WINAPI IDirectSoundCaptureNotifyImpl_SetNotificationPositions(
 686     LPDIRECTSOUNDNOTIFY iface,
 687     DWORD howmuch,
 688     LPCDSBPOSITIONNOTIFY notify)
 689 {
 690     IDirectSoundCaptureNotifyImpl *This = (IDirectSoundCaptureNotifyImpl *)iface;
 691     TRACE("(%p,0x%08x,%p)\n",This,howmuch,notify);
 692
 693     if (howmuch > 0 && notify == NULL) {
 694         WARN("invalid parameter: notify == NULL\n");
 695         return DSERR_INVALIDPARAM;
 696     }
 697
 698     if (TRACE_ON(dsound)) {
 699         unsigned int i;
 700         for (i=0;i<howmuch;i++)
 701             TRACE("notify at %d to %p\n",
 702             notify[i].dwOffset,notify[i].hEventNotify);
 703     }
 704
 705     if (This->dscb->hwnotify) {
 706         HRESULT hres;
 707         hres = IDsDriverNotify_SetNotificationPositions(This->dscb->hwnotify, howmuch, notify);
 708         if (hres != DS_OK)
 709             WARN("IDsDriverNotify_SetNotificationPositions failed\n");
 710         return hres;
 711     } else if (howmuch > 0) {
 712         /* Make an internal copy of the caller-supplied array.
 713          * Replace the existing copy if one is already present. */
 714         if (This->dscb->notifies)
 715             This->dscb->notifies = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 716                 This->dscb->notifies, howmuch * sizeof(DSBPOSITIONNOTIFY));
 717         else
 718             This->dscb->notifies = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 719                 howmuch * sizeof(DSBPOSITIONNOTIFY));
 720
 721         if (This->dscb->notifies == NULL) {
 722             WARN("out of memory\n");
 723             return DSERR_OUTOFMEMORY;
 724         }
 725         CopyMemory(This->dscb->notifies, notify, howmuch * sizeof(DSBPOSITIONNOTIFY));
 726         This->dscb->nrofnotifies = howmuch;
 727     } else {
 728         HeapFree(GetProcessHeap(), 0, This->dscb->notifies);
 729         This->dscb->notifies = NULL;
 730         This->dscb->nrofnotifies = 0;
 731     }
 732
 733     return S_OK;
 734 }
 735
 736 static const IDirectSoundNotifyVtbl dscnvt =
 737 {
 738     IDirectSoundCaptureNotifyImpl_QueryInterface,
 739     IDirectSoundCaptureNotifyImpl_AddRef,
 740     IDirectSoundCaptureNotifyImpl_Release,
 741     IDirectSoundCaptureNotifyImpl_SetNotificationPositions,
 742 };
 743
 744 static HRESULT IDirectSoundCaptureNotifyImpl_Create(
 745     IDirectSoundCaptureBufferImpl *dscb,
 746     IDirectSoundCaptureNotifyImpl **pdscn)
 747 {
 748     IDirectSoundCaptureNotifyImpl * dscn;
 749     TRACE("(%p,%p)\n",dscb,pdscn);
 750
 751     dscn = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(dscn));
 752
 753     if (dscn == NULL) {
 754         WARN("out of memory\n");
 755         return DSERR_OUTOFMEMORY;
 756     }
 757
 758     dscn->ref = 0;
 759     dscn->lpVtbl = &dscnvt;
 760     dscn->dscb = dscb;
 761     dscb->notify = dscn;
 762     IDirectSoundCaptureBuffer_AddRef((LPDIRECTSOUNDCAPTUREBUFFER)dscb);
 763
 764     *pdscn = dscn;
 765     return DS_OK;
 766 }
 767
 768 /*******************************************************************************
 769  *              IDirectSoundCaptureBuffer
 770  */
 771 static HRESULT WINAPI
 772 IDirectSoundCaptureBufferImpl_QueryInterface(
 773     LPDIRECTSOUNDCAPTUREBUFFER8 iface,
 774     REFIID riid,
 775     LPVOID* ppobj )
 776 {
 777     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
 778     HRESULT hres;
 779     TRACE( "(%p,%s,%p)\n", This, debugstr_guid(riid), ppobj );
 780
 781     if (ppobj == NULL) {
 782         WARN("invalid parameter\n");
 783         return E_INVALIDARG;
 784     }
 785
 786     *ppobj = NULL;
 787
 788     if ( IsEqualGUID( &IID_IDirectSoundNotify, riid ) ) {
 789         if (!This->notify)
 790             hres = IDirectSoundCaptureNotifyImpl_Create(This, &This->notify);
 791         if (This->notify) {
 792             IDirectSoundNotify_AddRef((LPDIRECTSOUNDNOTIFY)This->notify);
 793             if (This->device->hwbuf && !This->hwnotify) {
 794                 hres = IDsCaptureDriverBuffer_QueryInterface(This->device->hwbuf,
 795                     &IID_IDsDriverNotify, (LPVOID*)&(This->hwnotify));
 796                 if (hres != DS_OK) {
 797                     WARN("IDsCaptureDriverBuffer_QueryInterface failed\n");
 798                     IDirectSoundNotify_Release((LPDIRECTSOUNDNOTIFY)This->notify);
 799                     *ppobj = 0;
 800                     return hres;
 801                 }
 802             }
 803
 804             *ppobj = (LPVOID)This->notify;
 805             return DS_OK;
 806         }
 807
 808         WARN("IID_IDirectSoundNotify\n");
 809         return E_FAIL;
 810     }
 811
 812     if ( IsEqualGUID( &IID_IDirectSoundCaptureBuffer, riid ) ||
 813          IsEqualGUID( &IID_IDirectSoundCaptureBuffer8, riid ) ) {
 814         IDirectSoundCaptureBuffer8_AddRef(iface);
 815         *ppobj = This;
 816         return NO_ERROR;
 817     }
 818
 819     FIXME("(%p,%s,%p) unsupported GUID\n", This, debugstr_guid(riid), ppobj);
 820     return E_NOINTERFACE;
 821 }
 822
 823 static ULONG WINAPI
 824 IDirectSoundCaptureBufferImpl_AddRef( LPDIRECTSOUNDCAPTUREBUFFER8 iface )
 825 {
 826     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
 827     ULONG ref = InterlockedIncrement(&(This->ref));
 828     TRACE("(%p) ref was %d\n", This, ref - 1);
 829     return ref;
 830 }
 831
 832 static ULONG WINAPI
 833 IDirectSoundCaptureBufferImpl_Release( LPDIRECTSOUNDCAPTUREBUFFER8 iface )
 834 {
 835     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
 836     ULONG ref = InterlockedDecrement(&(This->ref));
 837     TRACE("(%p) ref was %d\n", This, ref + 1);
 838
 839     if (!ref) {
 840         TRACE("deleting object\n");
 841         if (This->device->state == STATE_CAPTURING)
 842             This->device->state = STATE_STOPPING;
 843
 844         HeapFree(GetProcessHeap(),0, This->pdscbd);
 845
 846         if (This->device->hwi) {
 847             waveInReset(This->device->hwi);
 848             waveInClose(This->device->hwi);
 849             HeapFree(GetProcessHeap(),0, This->device->pwave);
 850             This->device->pwave = 0;
 851             This->device->hwi = 0;
 852         }
 853
 854         if (This->device->hwbuf)
 855             IDsCaptureDriverBuffer_Release(This->device->hwbuf);
 856
 857         /* remove from DirectSoundCaptureDevice */
 858         This->device->capture_buffer = NULL;
 859
 860         if (This->notify)
 861             IDirectSoundNotify_Release((LPDIRECTSOUNDNOTIFY)This->notify);
 862
 863         HeapFree(GetProcessHeap(), 0, This->notifies);
 864         HeapFree( GetProcessHeap(), 0, This );
 865         TRACE("(%p) released\n", This);
 866     }
 867     return ref;
 868 }
 869
 870 static HRESULT WINAPI
 871 IDirectSoundCaptureBufferImpl_GetCaps(
 872     LPDIRECTSOUNDCAPTUREBUFFER8 iface,
 873     LPDSCBCAPS lpDSCBCaps )
 874 {
 875     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
 876     TRACE( "(%p,%p)\n", This, lpDSCBCaps );
 877
 878     if (lpDSCBCaps == NULL) {
 879         WARN("invalid parameter: lpDSCBCaps == NULL\n");
 880         return DSERR_INVALIDPARAM;
 881     }
 882
 883     if (lpDSCBCaps->dwSize < sizeof(DSCBCAPS)) {
 884         WARN("invalid parameter: lpDSCBCaps->dwSize = %d\n", lpDSCBCaps->dwSize);
 885         return DSERR_INVALIDPARAM;
 886     }
 887
 888     if (This->device == NULL) {
 889         WARN("invalid parameter: This->device == NULL\n");
 890         return DSERR_INVALIDPARAM;
 891     }
 892
 893     lpDSCBCaps->dwSize = sizeof(DSCBCAPS);
 894     lpDSCBCaps->dwFlags = This->flags;
 895     lpDSCBCaps->dwBufferBytes = This->pdscbd->dwBufferBytes;
 896     lpDSCBCaps->dwReserved = 0;
 897
 898     TRACE("returning DS_OK\n");
 899     return DS_OK;
 900 }
 901
 902 static HRESULT WINAPI
 903 IDirectSoundCaptureBufferImpl_GetCurrentPosition(
 904     LPDIRECTSOUNDCAPTUREBUFFER8 iface,
 905     LPDWORD lpdwCapturePosition,
 906     LPDWORD lpdwReadPosition )
 907 {
 908     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
 909     HRESULT hres = DS_OK;
 910     TRACE( "(%p,%p,%p)\n", This, lpdwCapturePosition, lpdwReadPosition );
 911
 912     if (This->device == NULL) {
 913         WARN("invalid parameter: This->device == NULL\n");
 914         return DSERR_INVALIDPARAM;
 915     }
 916
 917     if (This->device->driver) {
 918         hres = IDsCaptureDriverBuffer_GetPosition(This->device->hwbuf, lpdwCapturePosition, lpdwReadPosition );
 919         if (hres != DS_OK)
 920             WARN("IDsCaptureDriverBuffer_GetPosition failed\n");
 921     } else if (This->device->hwi) {
 922         DWORD pos;
 923
 924         EnterCriticalSection(&This->device->lock);
 925         pos = (DWORD_PTR)This->device->pwave[This->device->index].lpData - (DWORD_PTR)This->device->buffer;
 926         if (lpdwCapturePosition)
 927             *lpdwCapturePosition = (This->device->pwave[This->device->index].dwBufferLength + pos) % This->device->buflen;
 928         if (lpdwReadPosition)
 929             *lpdwReadPosition = pos;
 930         LeaveCriticalSection(&This->device->lock);
 931
 932     } else {
 933         WARN("no driver\n");
 934         hres = DSERR_NODRIVER;
 935     }
 936
 937     TRACE("cappos=%d readpos=%d\n", (lpdwCapturePosition?*lpdwCapturePosition:-1), (lpdwReadPosition?*lpdwReadPosition:-1));
 938     TRACE("returning %08x\n", hres);
 939     return hres;
 940 }
 941
 942 static HRESULT WINAPI
 943 IDirectSoundCaptureBufferImpl_GetFormat(
 944     LPDIRECTSOUNDCAPTUREBUFFER8 iface,
 945     LPWAVEFORMATEX lpwfxFormat,
 946     DWORD dwSizeAllocated,
 947     LPDWORD lpdwSizeWritten )
 948 {
 949     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
 950     HRESULT hres = DS_OK;
 951     TRACE( "(%p,%p,0x%08x,%p)\n", This, lpwfxFormat, dwSizeAllocated,
 952         lpdwSizeWritten );
 953
 954     if (This->device == NULL) {
 955         WARN("invalid parameter: This->device == NULL\n");
 956         return DSERR_INVALIDPARAM;
 957     }
 958
 959     if (dwSizeAllocated > (sizeof(WAVEFORMATEX) + This->device->pwfx->cbSize))
 960         dwSizeAllocated = sizeof(WAVEFORMATEX) + This->device->pwfx->cbSize;
 961
 962     if (lpwfxFormat) { /* NULL is valid (just want size) */
 963         CopyMemory(lpwfxFormat, This->device->pwfx, dwSizeAllocated);
 964         if (lpdwSizeWritten)
 965             *lpdwSizeWritten = dwSizeAllocated;
 966     } else {
 967         if (lpdwSizeWritten)
 968             *lpdwSizeWritten = sizeof(WAVEFORMATEX) + This->device->pwfx->cbSize;
 969         else {
 970             TRACE("invalid parameter: lpdwSizeWritten = NULL\n");
 971             hres = DSERR_INVALIDPARAM;
 972         }
 973     }
 974
 975     TRACE("returning %08x\n", hres);
 976     return hres;
 977 }
 978
 979 static HRESULT WINAPI
 980 IDirectSoundCaptureBufferImpl_GetStatus(
 981     LPDIRECTSOUNDCAPTUREBUFFER8 iface,
 982     LPDWORD lpdwStatus )
 983 {
 984     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
 985     TRACE( "(%p, %p), thread is %04x\n", This, lpdwStatus, GetCurrentThreadId() );
 986
 987     if (This->device == NULL) {
 988         WARN("invalid parameter: This->device == NULL\n");
 989         return DSERR_INVALIDPARAM;
 990     }
 991
 992     if (lpdwStatus == NULL) {
 993         WARN("invalid parameter: lpdwStatus == NULL\n");
 994         return DSERR_INVALIDPARAM;
 995     }
 996
 997     *lpdwStatus = 0;
 998     EnterCriticalSection(&(This->device->lock));
 999
1000     TRACE("old This->device->state=%s, old lpdwStatus=%08x\n",
1001         captureStateString[This->device->state],*lpdwStatus);
1002     if ((This->device->state == STATE_STARTING) ||
1003         (This->device->state == STATE_CAPTURING)) {
1004         *lpdwStatus |= DSCBSTATUS_CAPTURING;
1005         if (This->flags & DSCBSTART_LOOPING)
1006             *lpdwStatus |= DSCBSTATUS_LOOPING;
1007     }
1008     TRACE("new This->device->state=%s, new lpdwStatus=%08x\n",
1009         captureStateString[This->device->state],*lpdwStatus);
1010     LeaveCriticalSection(&(This->device->lock));
1011
1012     TRACE("status=%x\n", *lpdwStatus);
1013     TRACE("returning DS_OK\n");
1014     return DS_OK;
1015 }
1016
1017 static HRESULT WINAPI
1018 IDirectSoundCaptureBufferImpl_Initialize(
1019     LPDIRECTSOUNDCAPTUREBUFFER8 iface,
1020     LPDIRECTSOUNDCAPTURE lpDSC,
1021     LPCDSCBUFFERDESC lpcDSCBDesc )
1022 {
1023     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
1024
1025     FIXME( "(%p,%p,%p): stub\n", This, lpDSC, lpcDSCBDesc );
1026
1027     return DS_OK;
1028 }
1029
1030 static HRESULT WINAPI
1031 IDirectSoundCaptureBufferImpl_Lock(
1032     LPDIRECTSOUNDCAPTUREBUFFER8 iface,
1033     DWORD dwReadCusor,
1034     DWORD dwReadBytes,
1035     LPVOID* lplpvAudioPtr1,
1036     LPDWORD lpdwAudioBytes1,
1037     LPVOID* lplpvAudioPtr2,
1038     LPDWORD lpdwAudioBytes2,
1039     DWORD dwFlags )
1040 {
1041     HRESULT hres = DS_OK;
1042     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
1043     TRACE( "(%p,%08u,%08u,%p,%p,%p,%p,0x%08x) at %d\n", This, dwReadCusor,
1044         dwReadBytes, lplpvAudioPtr1, lpdwAudioBytes1, lplpvAudioPtr2,
1045         lpdwAudioBytes2, dwFlags, GetTickCount() );
1046
1047     if (This->device == NULL) {
1048         WARN("invalid parameter: This->device == NULL\n");
1049         return DSERR_INVALIDPARAM;
1050     }
1051
1052     if (lplpvAudioPtr1 == NULL) {
1053         WARN("invalid parameter: lplpvAudioPtr1 == NULL\n");
1054         return DSERR_INVALIDPARAM;
1055     }
1056
1057     if (lpdwAudioBytes1 == NULL) {
1058         WARN("invalid parameter: lpdwAudioBytes1 == NULL\n");
1059         return DSERR_INVALIDPARAM;
1060     }
1061
1062     EnterCriticalSection(&(This->device->lock));
1063
1064     if (This->device->driver) {
1065         hres = IDsCaptureDriverBuffer_Lock(This->device->hwbuf, lplpvAudioPtr1,
1066                                            lpdwAudioBytes1, lplpvAudioPtr2,
1067                                            lpdwAudioBytes2, dwReadCusor,
1068                                            dwReadBytes, dwFlags);
1069         if (hres != DS_OK)
1070             WARN("IDsCaptureDriverBuffer_Lock failed\n");
1071     } else if (This->device->hwi) {
1072         *lplpvAudioPtr1 = This->device->buffer + dwReadCusor;
1073         if ( (dwReadCusor + dwReadBytes) > This->device->buflen) {
1074             *lpdwAudioBytes1 = This->device->buflen - dwReadCusor;
1075             if (lplpvAudioPtr2)
1076                 *lplpvAudioPtr2 = This->device->buffer;
1077             if (lpdwAudioBytes2)
1078                 *lpdwAudioBytes2 = dwReadBytes - *lpdwAudioBytes1;
1079         } else {
1080             *lpdwAudioBytes1 = dwReadBytes;
1081             if (lplpvAudioPtr2)
1082                 *lplpvAudioPtr2 = 0;
1083             if (lpdwAudioBytes2)
1084                 *lpdwAudioBytes2 = 0;
1085         }
1086     } else {
1087         TRACE("invalid call\n");
1088         hres = DSERR_INVALIDCALL;   /* DSERR_NODRIVER ? */
1089     }
1090
1091     LeaveCriticalSection(&(This->device->lock));
1092
1093     TRACE("returning %08x\n", hres);
1094     return hres;
1095 }
1096
1097 static HRESULT WINAPI
1098 IDirectSoundCaptureBufferImpl_Start(
1099     LPDIRECTSOUNDCAPTUREBUFFER8 iface,
1100     DWORD dwFlags )
1101 {
1102     HRESULT hres = DS_OK;
1103     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
1104     TRACE( "(%p,0x%08x)\n", This, dwFlags );
1105
1106     if (This->device == NULL) {
1107         WARN("invalid parameter: This->device == NULL\n");
1108         return DSERR_INVALIDPARAM;
1109     }
1110
1111     if ( (This->device->driver == 0) && (This->device->hwi == 0) ) {
1112         WARN("no driver\n");
1113         return DSERR_NODRIVER;
1114     }
1115
1116     EnterCriticalSection(&(This->device->lock));
1117
1118     This->flags = dwFlags;
1119     TRACE("old This->state=%s\n",captureStateString[This->device->state]);
1120     if (This->device->state == STATE_STOPPED)
1121         This->device->state = STATE_STARTING;
1122     else if (This->device->state == STATE_STOPPING)
1123         This->device->state = STATE_CAPTURING;
1124     TRACE("new This->device->state=%s\n",captureStateString[This->device->state]);
1125
1126     LeaveCriticalSection(&(This->device->lock));
1127
1128     if (This->device->driver) {
1129         hres = IDsCaptureDriverBuffer_Start(This->device->hwbuf, dwFlags);
1130         if (hres != DS_OK)
1131             WARN("IDsCaptureDriverBuffer_Start failed\n");
1132     } else if (This->device->hwi) {
1133         DirectSoundCaptureDevice *device = This->device;
1134
1135         if (device->buffer) {
1136             int c;
1137             DWORD blocksize = DSOUND_fraglen(device->pwfx->nSamplesPerSec, device->pwfx->nBlockAlign);
1138             device->nrofpwaves = device->buflen / blocksize + !!(device->buflen % blocksize);
1139             TRACE("nrofpwaves=%d\n", device->nrofpwaves);
1140
1141             /* prepare headers */
1142             if (device->pwave)
1143                 device->pwave = HeapReAlloc(GetProcessHeap(), 0,device->pwave, device->nrofpwaves*sizeof(WAVEHDR));
1144             else
1145                 device->pwave = HeapAlloc(GetProcessHeap(), 0, device->nrofpwaves*sizeof(WAVEHDR));
1146
1147             for (c = 0; c < device->nrofpwaves; ++c) {
1148                 device->pwave[c].lpData = (char *)device->buffer + c * blocksize;
1149                 device->pwave[c].dwBufferLength = blocksize;
1150                 device->pwave[c].dwBytesRecorded = 0;
1151                 device->pwave[c].dwUser = (DWORD)device;
1152                 device->pwave[c].dwFlags = 0;
1153                 device->pwave[c].dwLoops = 0;
1154                 hres = mmErr(waveInPrepareHeader(device->hwi, &(device->pwave[c]),sizeof(WAVEHDR)));
1155                 if (hres != DS_OK) {
1156                     WARN("waveInPrepareHeader failed\n");
1157                     while (c--)
1158                         waveInUnprepareHeader(device->hwi, &(device->pwave[c]),sizeof(WAVEHDR));
1159                     break;
1160                 }
1161
1162                 hres = mmErr(waveInAddBuffer(device->hwi, &(device->pwave[c]), sizeof(WAVEHDR)));
1163                 if (hres != DS_OK) {
1164                     WARN("waveInAddBuffer failed\n");
1165                     while (c--)
1166                         waveInUnprepareHeader(device->hwi, &(device->pwave[c]),sizeof(WAVEHDR));
1167                     break;
1168                 }
1169             }
1170             if (device->buflen % blocksize)
1171                 device->pwave[device->nrofpwaves - 1].dwBufferLength = device->buflen % blocksize;
1172
1173             FillMemory(device->buffer, device->buflen, (device->pwfx->wBitsPerSample == 8) ? 128 : 0);
1174         }
1175
1176         device->index = 0;
1177
1178         if (hres == DS_OK) {
1179             /* start filling the first buffer */
1180             hres = mmErr(waveInStart(device->hwi));
1181             if (hres != DS_OK)
1182                 WARN("waveInStart failed\n");
1183         }
1184
1185         if (hres != DS_OK) {
1186             WARN("calling waveInClose because of error\n");
1187             waveInClose(device->hwi);
1188             device->hwi = 0;
1189         }
1190     } else {
1191         WARN("no driver\n");
1192         hres = DSERR_NODRIVER;
1193     }
1194
1195     TRACE("returning %08x\n", hres);
1196     return hres;
1197 }
1198
1199 static HRESULT WINAPI
1200 IDirectSoundCaptureBufferImpl_Stop( LPDIRECTSOUNDCAPTUREBUFFER8 iface )
1201 {
1202     HRESULT hres = DS_OK;
1203     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
1204     TRACE( "(%p)\n", This );
1205
1206     if (This->device == NULL) {
1207         WARN("invalid parameter: This->device == NULL\n");
1208         return DSERR_INVALIDPARAM;
1209     }
1210
1211     EnterCriticalSection(&(This->device->lock));
1212
1213     TRACE("old This->device->state=%s\n",captureStateString[This->device->state]);
1214     if (This->device->state == STATE_CAPTURING)
1215         This->device->state = STATE_STOPPING;
1216     else if (This->device->state == STATE_STARTING)
1217         This->device->state = STATE_STOPPED;
1218     TRACE("new This->device->state=%s\n",captureStateString[This->device->state]);
1219
1220     LeaveCriticalSection(&(This->device->lock));
1221
1222     if (This->device->driver) {
1223         hres = IDsCaptureDriverBuffer_Stop(This->device->hwbuf);
1224         if (hres != DS_OK)
1225             WARN("IDsCaptureDriverBuffer_Stop() failed\n");
1226     } else if (This->device->hwi) {
1227         hres = mmErr(waveInReset(This->device->hwi));
1228         if (hres != DS_OK)
1229             WARN("waveInReset() failed\n");
1230     } else {
1231         WARN("no driver\n");
1232         hres = DSERR_NODRIVER;
1233     }
1234
1235     TRACE("returning %08x\n", hres);
1236     return hres;
1237 }
1238
1239 static HRESULT WINAPI
1240 IDirectSoundCaptureBufferImpl_Unlock(
1241     LPDIRECTSOUNDCAPTUREBUFFER8 iface,
1242     LPVOID lpvAudioPtr1,
1243     DWORD dwAudioBytes1,
1244     LPVOID lpvAudioPtr2,
1245     DWORD dwAudioBytes2 )
1246 {
1247     HRESULT hres = DS_OK;
1248     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
1249     TRACE( "(%p,%p,%08u,%p,%08u)\n", This, lpvAudioPtr1, dwAudioBytes1,
1250         lpvAudioPtr2, dwAudioBytes2 );
1251
1252     if (lpvAudioPtr1 == NULL) {
1253         WARN("invalid parameter: lpvAudioPtr1 == NULL\n");
1254         return DSERR_INVALIDPARAM;
1255     }
1256
1257     if (This->device->driver) {
1258         hres = IDsCaptureDriverBuffer_Unlock(This->device->hwbuf, lpvAudioPtr1,
1259                                              dwAudioBytes1, lpvAudioPtr2, dwAudioBytes2);
1260         if (hres != DS_OK)
1261             WARN("IDsCaptureDriverBuffer_Unlock failed\n");
1262     } else if (!This->device->hwi) {
1263         WARN("invalid call\n");
1264         hres = DSERR_INVALIDCALL;
1265     }
1266
1267     TRACE("returning %08x\n", hres);
1268     return hres;
1269 }
1270
1271 static HRESULT WINAPI
1272 IDirectSoundCaptureBufferImpl_GetObjectInPath(
1273     LPDIRECTSOUNDCAPTUREBUFFER8 iface,
1274     REFGUID rguidObject,
1275     DWORD dwIndex,
1276     REFGUID rguidInterface,
1277     LPVOID* ppObject )
1278 {
1279     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
1280
1281     FIXME( "(%p,%s,%u,%s,%p): stub\n", This, debugstr_guid(rguidObject),
1282         dwIndex, debugstr_guid(rguidInterface), ppObject );
1283
1284     return DS_OK;
1285 }
1286
1287 static HRESULT WINAPI
1288 IDirectSoundCaptureBufferImpl_GetFXStatus(
1289     LPDIRECTSOUNDCAPTUREBUFFER8 iface,
1290     DWORD dwFXCount,
1291     LPDWORD pdwFXStatus )
1292 {
1293     IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
1294
1295     FIXME( "(%p,%u,%p): stub\n", This, dwFXCount, pdwFXStatus );
1296
1297     return DS_OK;
1298 }
1299
1300 static const IDirectSoundCaptureBuffer8Vtbl dscbvt =
1301 {
1302     /* IUnknown methods */
1303     IDirectSoundCaptureBufferImpl_QueryInterface,
1304     IDirectSoundCaptureBufferImpl_AddRef,
1305     IDirectSoundCaptureBufferImpl_Release,
1306
1307     /* IDirectSoundCaptureBuffer methods */
1308     IDirectSoundCaptureBufferImpl_GetCaps,
1309     IDirectSoundCaptureBufferImpl_GetCurrentPosition,
1310     IDirectSoundCaptureBufferImpl_GetFormat,
1311     IDirectSoundCaptureBufferImpl_GetStatus,
1312     IDirectSoundCaptureBufferImpl_Initialize,
1313     IDirectSoundCaptureBufferImpl_Lock,
1314     IDirectSoundCaptureBufferImpl_Start,
1315     IDirectSoundCaptureBufferImpl_Stop,
1316     IDirectSoundCaptureBufferImpl_Unlock,
1317
1318     /* IDirectSoundCaptureBuffer methods */
1319     IDirectSoundCaptureBufferImpl_GetObjectInPath,
1320     IDirectSoundCaptureBufferImpl_GetFXStatus
1321 };
1322
1323 HRESULT IDirectSoundCaptureBufferImpl_Create(
1324     DirectSoundCaptureDevice *device,
1325     IDirectSoundCaptureBufferImpl ** ppobj,
1326     LPCDSCBUFFERDESC lpcDSCBufferDesc)
1327 {
1328     LPWAVEFORMATEX  wfex;
1329     TRACE( "(%p,%p,%p)\n", device, ppobj, lpcDSCBufferDesc);
1330
1331     if (ppobj == NULL) {
1332         WARN("invalid parameter: ppobj == NULL\n");
1333         return DSERR_INVALIDPARAM;
1334     }
1335
1336     if (!device) {
1337         WARN("not initialized\n");
1338         *ppobj = NULL;
1339         return DSERR_UNINITIALIZED;
1340     }
1341
1342     if (lpcDSCBufferDesc == NULL) {
1343         WARN("invalid parameter: lpcDSCBufferDesc == NULL\n");
1344         *ppobj = NULL;
1345         return DSERR_INVALIDPARAM;
1346     }
1347
1348     if ( ((lpcDSCBufferDesc->dwSize != sizeof(DSCBUFFERDESC)) &&
1349           (lpcDSCBufferDesc->dwSize != sizeof(DSCBUFFERDESC1))) ||
1350         (lpcDSCBufferDesc->dwBufferBytes == 0) ||
1351         (lpcDSCBufferDesc->lpwfxFormat == NULL) ) {
1352         WARN("invalid lpcDSCBufferDesc\n");
1353         *ppobj = NULL;
1354         return DSERR_INVALIDPARAM;
1355     }
1356
1357     wfex = lpcDSCBufferDesc->lpwfxFormat;
1358
1359     if (wfex) {
1360         TRACE("(formattag=0x%04x,chans=%d,samplerate=%d,"
1361             "bytespersec=%d,blockalign=%d,bitspersamp=%d,cbSize=%d)\n",
1362             wfex->wFormatTag, wfex->nChannels, wfex->nSamplesPerSec,
1363             wfex->nAvgBytesPerSec, wfex->nBlockAlign,
1364             wfex->wBitsPerSample, wfex->cbSize);
1365
1366         if (wfex->wFormatTag == WAVE_FORMAT_PCM) {
1367             device->pwfx = HeapAlloc(GetProcessHeap(),0,sizeof(WAVEFORMATEX));
1368             CopyMemory(device->pwfx, wfex, sizeof(WAVEFORMATEX));
1369             device->pwfx->cbSize = 0;
1370         } else {
1371             device->pwfx = HeapAlloc(GetProcessHeap(),0,sizeof(WAVEFORMATEX)+wfex->cbSize);
1372             CopyMemory(device->pwfx, wfex, sizeof(WAVEFORMATEX)+wfex->cbSize);
1373         }
1374     } else {
1375         WARN("lpcDSCBufferDesc->lpwfxFormat == 0\n");
1376         *ppobj = NULL;
1377         return DSERR_INVALIDPARAM; /* FIXME: DSERR_BADFORMAT ? */
1378     }
1379
1380     *ppobj = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,
1381         sizeof(IDirectSoundCaptureBufferImpl));
1382
1383     if ( *ppobj == NULL ) {
1384         WARN("out of memory\n");
1385         *ppobj = NULL;
1386         return DSERR_OUTOFMEMORY;
1387     } else {
1388         HRESULT err = DS_OK;
1389         LPBYTE newbuf;
1390         DWORD buflen;
1391         IDirectSoundCaptureBufferImpl *This = *ppobj;
1392
1393         This->ref = 1;
1394         This->device = device;
1395         This->device->capture_buffer = This;
1396         This->notify = NULL;
1397         This->nrofnotifies = 0;
1398         This->hwnotify = NULL;
1399
1400         This->pdscbd = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,
1401             lpcDSCBufferDesc->dwSize);
1402         if (This->pdscbd)
1403             CopyMemory(This->pdscbd, lpcDSCBufferDesc, lpcDSCBufferDesc->dwSize);
1404         else {
1405             WARN("no memory\n");
1406             This->device->capture_buffer = 0;
1407             HeapFree( GetProcessHeap(), 0, This );
1408             *ppobj = NULL;
1409             return DSERR_OUTOFMEMORY;
1410         }
1411
1412         This->lpVtbl = &dscbvt;
1413
1414         if (device->driver) {
1415             if (This->device->drvdesc.dwFlags & DSDDESC_DOMMSYSTEMOPEN)
1416                 FIXME("DSDDESC_DOMMSYSTEMOPEN not supported\n");
1417
1418             if (This->device->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) {
1419                 /* allocate buffer from system memory */
1420                 buflen = lpcDSCBufferDesc->dwBufferBytes;
1421                 TRACE("desired buflen=%d, old buffer=%p\n", buflen, device->buffer);
1422                 if (device->buffer)
1423                     newbuf = HeapReAlloc(GetProcessHeap(),0,device->buffer,buflen);
1424                 else
1425                     newbuf = HeapAlloc(GetProcessHeap(),0,buflen);
1426
1427                 if (newbuf == NULL) {
1428                     WARN("failed to allocate capture buffer\n");
1429                     err = DSERR_OUTOFMEMORY;
1430                     /* but the old buffer might still exist and must be re-prepared */
1431                 } else {
1432                     device->buffer = newbuf;
1433                     device->buflen = buflen;
1434                 }
1435             } else {
1436                 /* let driver allocate memory */
1437                 device->buflen = lpcDSCBufferDesc->dwBufferBytes;
1438                 /* FIXME: */
1439                 HeapFree( GetProcessHeap(), 0, device->buffer);
1440                 device->buffer = NULL;
1441             }
1442
1443             err = IDsCaptureDriver_CreateCaptureBuffer(device->driver,
1444                 device->pwfx,0,0,&(device->buflen),&(device->buffer),(LPVOID*)&(device->hwbuf));
1445             if (err != DS_OK) {
1446                 WARN("IDsCaptureDriver_CreateCaptureBuffer failed\n");
1447                 This->device->capture_buffer = 0;
1448                 HeapFree( GetProcessHeap(), 0, This );
1449                 *ppobj = NULL;
1450                 return err;
1451             }
1452         } else {
1453             DWORD flags = CALLBACK_FUNCTION;
1454             err = mmErr(waveInOpen(&(device->hwi),
1455                 device->drvdesc.dnDevNode, device->pwfx,
1456                 (DWORD_PTR)DSOUND_capture_callback, (DWORD)device, flags));
1457             if (err != DS_OK) {
1458                 WARN("waveInOpen failed\n");
1459                 This->device->capture_buffer = 0;
1460                 HeapFree( GetProcessHeap(), 0, This );
1461                 *ppobj = NULL;
1462                 return err;
1463             }
1464
1465             buflen = lpcDSCBufferDesc->dwBufferBytes;
1466             TRACE("desired buflen=%d, old buffer=%p\n", buflen, device->buffer);
1467             if (device->buffer)
1468                 newbuf = HeapReAlloc(GetProcessHeap(),0,device->buffer,buflen);
1469             else
1470                 newbuf = HeapAlloc(GetProcessHeap(),0,buflen);
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         }
1480     }
1481
1482     TRACE("returning DS_OK\n");
1483     return DS_OK;
1484 }
1485
1486 /*******************************************************************************
1487  * DirectSoundCaptureDevice
1488  */
1489 HRESULT DirectSoundCaptureDevice_Initialize(
1490     DirectSoundCaptureDevice ** ppDevice,
1491     LPCGUID lpcGUID)
1492 {
1493     HRESULT err = DSERR_INVALIDPARAM;
1494     unsigned wid, widn;
1495     BOOLEAN found = FALSE;
1496     GUID devGUID;
1497     DirectSoundCaptureDevice *device = *ppDevice;
1498     TRACE("(%p, %s)\n", ppDevice, debugstr_guid(lpcGUID));
1499
1500     /* Default device? */
1501     if ( !lpcGUID || IsEqualGUID(lpcGUID, &GUID_NULL) )
1502         lpcGUID = &DSDEVID_DefaultCapture;
1503
1504     if (GetDeviceID(lpcGUID, &devGUID) != DS_OK) {
1505         WARN("invalid parameter: lpcGUID\n");
1506         return DSERR_INVALIDPARAM;
1507     }
1508
1509     widn = waveInGetNumDevs();
1510     if (!widn) {
1511         WARN("no audio devices found\n");
1512         return DSERR_NODRIVER;
1513     }
1514
1515     /* enumerate WINMM audio devices and find the one we want */
1516     for (wid=0; wid<widn; wid++) {
1517         if (IsEqualGUID( &devGUID, &DSOUND_capture_guids[wid]) ) {
1518             found = TRUE;
1519             break;
1520         }
1521     }
1522
1523     if (found == FALSE) {
1524         WARN("No device found matching given ID!\n");
1525         return DSERR_NODRIVER;
1526     }
1527
1528     if (DSOUND_capture[wid]) {
1529         WARN("already in use\n");
1530         return DSERR_ALLOCATED;
1531     }
1532
1533     err = DirectSoundCaptureDevice_Create(&(device));
1534     if (err != DS_OK) {
1535         WARN("DirectSoundCaptureDevice_Create failed\n");
1536         return err;
1537     }
1538
1539     *ppDevice = device;
1540     device->guid = devGUID;
1541
1542     /* Disable the direct sound driver to force emulation if requested. */
1543     device->driver = NULL;
1544     if (ds_hw_accel != DS_HW_ACCEL_EMULATION)
1545     {
1546         err = mmErr(waveInMessage((HWAVEIN)wid,DRV_QUERYDSOUNDIFACE,(DWORD_PTR)&(device->driver),0));
1547         if ( (err != DS_OK) && (err != DSERR_UNSUPPORTED) ) {
1548             WARN("waveInMessage failed; err=%x\n",err);
1549             return err;
1550         }
1551     }
1552     err = DS_OK;
1553
1554     /* Get driver description */
1555     if (device->driver) {
1556         TRACE("using DirectSound driver\n");
1557         err = IDsCaptureDriver_GetDriverDesc(device->driver, &(device->drvdesc));
1558         if (err != DS_OK) {
1559             WARN("IDsCaptureDriver_GetDriverDesc failed\n");
1560             return err;
1561         }
1562     } else {
1563         TRACE("using WINMM\n");
1564         /* if no DirectSound interface available, use WINMM API instead */
1565         device->drvdesc.dwFlags = DSDDESC_DOMMSYSTEMOPEN |
1566             DSDDESC_DOMMSYSTEMSETFORMAT;
1567     }
1568
1569     device->drvdesc.dnDevNode = wid;
1570
1571     /* open the DirectSound driver if available */
1572     if (device->driver && (err == DS_OK))
1573         err = IDsCaptureDriver_Open(device->driver);
1574
1575     if (err == DS_OK) {
1576         *ppDevice = device;
1577
1578         /* the driver is now open, so it's now allowed to call GetCaps */
1579         if (device->driver) {
1580             device->drvcaps.dwSize = sizeof(device->drvcaps);
1581             err = IDsCaptureDriver_GetCaps(device->driver,&(device->drvcaps));
1582             if (err != DS_OK) {
1583                 WARN("IDsCaptureDriver_GetCaps failed\n");
1584                 return err;
1585             }
1586         } else /*if (device->hwi)*/ {
1587             WAVEINCAPSA    wic;
1588             err = mmErr(waveInGetDevCapsA((UINT)device->drvdesc.dnDevNode, &wic, sizeof(wic)));
1589
1590             if (err == DS_OK) {
1591                 device->drvcaps.dwFlags = 0;
1592                 lstrcpynA(device->drvdesc.szDrvname, wic.szPname,
1593                           sizeof(device->drvdesc.szDrvname));
1594
1595                 device->drvcaps.dwFlags |= DSCCAPS_EMULDRIVER;
1596                 device->drvcaps.dwFormats = wic.dwFormats;
1597                 device->drvcaps.dwChannels = wic.wChannels;
1598             }
1599         }
1600     }
1601
1602     return err;
1603 }
1604
1605 static HRESULT DirectSoundCaptureDevice_Create(
1606     DirectSoundCaptureDevice ** ppDevice)
1607 {
1608     DirectSoundCaptureDevice * device;
1609     TRACE("(%p)\n", ppDevice);
1610
1611     /* Allocate memory */
1612     device = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DirectSoundCaptureDevice));
1613
1614     if (device == NULL) {
1615         WARN("out of memory\n");
1616         return DSERR_OUTOFMEMORY;
1617     }
1618
1619     device->ref = 1;
1620     device->state = STATE_STOPPED;
1621
1622     InitializeCriticalSection( &(device->lock) );
1623     device->lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": DirectSoundCaptureDevice.lock");
1624
1625     *ppDevice = device;
1626
1627     return DS_OK;
1628 }
1629
1630 ULONG DirectSoundCaptureDevice_AddRef(
1631     DirectSoundCaptureDevice * device)
1632 {
1633     ULONG ref = InterlockedIncrement(&(device->ref));
1634     TRACE("(%p) ref was %d\n", device, ref - 1);
1635     return ref;
1636 }
1637
1638 ULONG DirectSoundCaptureDevice_Release(
1639     DirectSoundCaptureDevice * device)
1640 {
1641     ULONG ref = InterlockedDecrement(&(device->ref));
1642     TRACE("(%p) ref was %d\n", device, ref + 1);
1643
1644     if (!ref) {
1645         TRACE("deleting object\n");
1646         if (device->capture_buffer)
1647             IDirectSoundCaptureBufferImpl_Release(
1648                 (LPDIRECTSOUNDCAPTUREBUFFER8) device->capture_buffer);
1649
1650         if (device->driver) {
1651             IDsCaptureDriver_Close(device->driver);
1652             IDsCaptureDriver_Release(device->driver);
1653         }
1654
1655         HeapFree(GetProcessHeap(), 0, device->pwfx);
1656         device->lock.DebugInfo->Spare[0] = 0;
1657         DeleteCriticalSection( &(device->lock) );
1658         DSOUND_capture[device->drvdesc.dnDevNode] = NULL;
1659         HeapFree(GetProcessHeap(), 0, device);
1660         TRACE("(%p) released\n", device);
1661     }
1662     return ref;
1663 }