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   1 /* DirectSound
   2  *
   3  * Copyright 1998 Marcus Meissner
   4  * Copyright 1998 Rob Riggs
   5  * Copyright 2000-2002 TransGaming Technologies, Inc.
   6  * Copyright 2004 Robert Reif
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #include <assert.h>
  24 #include <stdarg.h>
  25 #include <stdio.h>
  26
  27 #define COBJMACROS
  28 #define NONAMELESSSTRUCT
  29 #define NONAMELESSUNION
  30 #include "windef.h"
  31 #include "winbase.h"
  32 #include "winuser.h"
  33 #include "winternl.h"
  34 #include "mmddk.h"
  35 #include "wingdi.h"
  36 #include "mmreg.h"
  37 #include "ks.h"
  38 #include "ksmedia.h"
  39 #include "wine/debug.h"
  40 #include "dsound.h"
  41 #include "dsound_private.h"
  42
  43 WINE_DEFAULT_DEBUG_CHANNEL(dsound);
  44
  45 typedef struct IDirectSoundImpl {
  46     IUnknown            IUnknown_inner;
  47     IDirectSound8       IDirectSound8_iface;
  48     IUnknown           *outer_unk;      /* internal */
  49     LONG                ref, refds, numIfaces;
  50     DirectSoundDevice  *device;
  51     BOOL                has_ds8;
  52 } IDirectSoundImpl;
  53
  54 static const char * dumpCooperativeLevel(DWORD level)
  55 {
  56 #define LE(x) case x: return #x
  57     switch (level) {
  58         LE(DSSCL_NORMAL);
  59         LE(DSSCL_PRIORITY);
  60         LE(DSSCL_EXCLUSIVE);
  61         LE(DSSCL_WRITEPRIMARY);
  62     }
  63 #undef LE
  64     return wine_dbg_sprintf("Unknown(%08x)", level);
  65 }
  66
  67 static void _dump_DSCAPS(DWORD xmask) {
  68     struct {
  69         DWORD   mask;
  70         const char    *name;
  71     } flags[] = {
  72 #define FE(x) { x, #x },
  73         FE(DSCAPS_PRIMARYMONO)
  74         FE(DSCAPS_PRIMARYSTEREO)
  75         FE(DSCAPS_PRIMARY8BIT)
  76         FE(DSCAPS_PRIMARY16BIT)
  77         FE(DSCAPS_CONTINUOUSRATE)
  78         FE(DSCAPS_EMULDRIVER)
  79         FE(DSCAPS_CERTIFIED)
  80         FE(DSCAPS_SECONDARYMONO)
  81         FE(DSCAPS_SECONDARYSTEREO)
  82         FE(DSCAPS_SECONDARY8BIT)
  83         FE(DSCAPS_SECONDARY16BIT)
  84 #undef FE
  85     };
  86     unsigned int     i;
  87
  88     for (i=0;i<sizeof(flags)/sizeof(flags[0]);i++)
  89         if ((flags[i].mask & xmask) == flags[i].mask)
  90             TRACE("%s ",flags[i].name);
  91 }
  92
  93 static void _dump_DSBCAPS(DWORD xmask) {
  94     struct {
  95         DWORD   mask;
  96         const char    *name;
  97     } flags[] = {
  98 #define FE(x) { x, #x },
  99         FE(DSBCAPS_PRIMARYBUFFER)
 100         FE(DSBCAPS_STATIC)
 101         FE(DSBCAPS_LOCHARDWARE)
 102         FE(DSBCAPS_LOCSOFTWARE)
 103         FE(DSBCAPS_CTRL3D)
 104         FE(DSBCAPS_CTRLFREQUENCY)
 105         FE(DSBCAPS_CTRLPAN)
 106         FE(DSBCAPS_CTRLVOLUME)
 107         FE(DSBCAPS_CTRLPOSITIONNOTIFY)
 108         FE(DSBCAPS_STICKYFOCUS)
 109         FE(DSBCAPS_GLOBALFOCUS)
 110         FE(DSBCAPS_GETCURRENTPOSITION2)
 111         FE(DSBCAPS_MUTE3DATMAXDISTANCE)
 112 #undef FE
 113     };
 114     unsigned int     i;
 115
 116     for (i=0;i<sizeof(flags)/sizeof(flags[0]);i++)
 117         if ((flags[i].mask & xmask) == flags[i].mask)
 118             TRACE("%s ",flags[i].name);
 119 }
 120
 121 static void directsound_destroy(IDirectSoundImpl *This)
 122 {
 123     if (This->device)
 124         DirectSoundDevice_Release(This->device);
 125     HeapFree(GetProcessHeap(),0,This);
 126     TRACE("(%p) released\n", This);
 127 }
 128
 129 /*******************************************************************************
 130  *      IUnknown Implementation for DirectSound
 131  */
 132 static inline IDirectSoundImpl *impl_from_IUnknown(IUnknown *iface)
 133 {
 134     return CONTAINING_RECORD(iface, IDirectSoundImpl, IUnknown_inner);
 135 }
 136
 137 static HRESULT WINAPI IUnknownImpl_QueryInterface(IUnknown *iface, REFIID riid, void **ppv)
 138 {
 139     IDirectSoundImpl *This = impl_from_IUnknown(iface);
 140
 141     TRACE("(%p,%s,%p)\n", This, debugstr_guid(riid), ppv);
 142
 143     if (!ppv) {
 144         WARN("invalid parameter\n");
 145         return E_INVALIDARG;
 146     }
 147     *ppv = NULL;
 148
 149     if (IsEqualIID(riid, &IID_IUnknown))
 150         *ppv = &This->IUnknown_inner;
 151     else if (IsEqualIID(riid, &IID_IDirectSound) ||
 152             (IsEqualIID(riid, &IID_IDirectSound8) && This->has_ds8))
 153         *ppv = &This->IDirectSound8_iface;
 154     else {
 155         WARN("unknown IID %s\n", debugstr_guid(riid));
 156         return E_NOINTERFACE;
 157     }
 158
 159     IUnknown_AddRef((IUnknown*)*ppv);
 160     return S_OK;
 161 }
 162
 163 static ULONG WINAPI IUnknownImpl_AddRef(IUnknown *iface)
 164 {
 165     IDirectSoundImpl *This = impl_from_IUnknown(iface);
 166     ULONG ref = InterlockedIncrement(&This->ref);
 167
 168     TRACE("(%p) ref=%d\n", This, ref);
 169
 170     if(ref == 1)
 171         InterlockedIncrement(&This->numIfaces);
 172
 173     return ref;
 174 }
 175
 176 static ULONG WINAPI IUnknownImpl_Release(IUnknown *iface)
 177 {
 178     IDirectSoundImpl *This = impl_from_IUnknown(iface);
 179     ULONG ref = InterlockedDecrement(&This->ref);
 180
 181     TRACE("(%p) ref=%d\n", This, ref);
 182
 183     if (!ref && !InterlockedDecrement(&This->numIfaces))
 184         directsound_destroy(This);
 185
 186     return ref;
 187 }
 188
 189 static const IUnknownVtbl unk_vtbl =
 190 {
 191     IUnknownImpl_QueryInterface,
 192     IUnknownImpl_AddRef,
 193     IUnknownImpl_Release
 194 };
 195
 196 /*******************************************************************************
 197  *      IDirectSound and IDirectSound8 Implementation
 198  */
 199 static inline IDirectSoundImpl *impl_from_IDirectSound8(IDirectSound8 *iface)
 200 {
 201     return CONTAINING_RECORD(iface, IDirectSoundImpl, IDirectSound8_iface);
 202 }
 203
 204 static HRESULT WINAPI IDirectSound8Impl_QueryInterface(IDirectSound8 *iface, REFIID riid,
 205         void **ppv)
 206 {
 207     IDirectSoundImpl *This = impl_from_IDirectSound8(iface);
 208     TRACE("(%p,%s,%p)\n", This, debugstr_guid(riid), ppv);
 209     return IUnknown_QueryInterface(This->outer_unk, riid, ppv);
 210 }
 211
 212 static ULONG WINAPI IDirectSound8Impl_AddRef(IDirectSound8 *iface)
 213 {
 214     IDirectSoundImpl *This = impl_from_IDirectSound8(iface);
 215     ULONG ref = InterlockedIncrement(&This->refds);
 216
 217     TRACE("(%p) refds=%d\n", This, ref);
 218
 219     if(ref == 1)
 220         InterlockedIncrement(&This->numIfaces);
 221
 222     return ref;
 223 }
 224
 225 static ULONG WINAPI IDirectSound8Impl_Release(IDirectSound8 *iface)
 226 {
 227     IDirectSoundImpl *This = impl_from_IDirectSound8(iface);
 228     ULONG ref = InterlockedDecrement(&(This->refds));
 229
 230     TRACE("(%p) refds=%d\n", This, ref);
 231
 232     if (!ref && !InterlockedDecrement(&This->numIfaces))
 233         directsound_destroy(This);
 234
 235     return ref;
 236 }
 237
 238 static HRESULT WINAPI IDirectSound8Impl_CreateSoundBuffer(IDirectSound8 *iface,
 239         const DSBUFFERDESC *dsbd, IDirectSoundBuffer **ppdsb, IUnknown *lpunk)
 240 {
 241     IDirectSoundImpl *This = impl_from_IDirectSound8(iface);
 242     TRACE("(%p,%p,%p,%p)\n", This, dsbd, ppdsb, lpunk);
 243     return DirectSoundDevice_CreateSoundBuffer(This->device, dsbd, ppdsb, lpunk, This->has_ds8);
 244 }
 245
 246 static HRESULT WINAPI IDirectSound8Impl_GetCaps(IDirectSound8 *iface, DSCAPS *dscaps)
 247 {
 248     IDirectSoundImpl *This = impl_from_IDirectSound8(iface);
 249
 250     TRACE("(%p, %p)\n", This, dscaps);
 251
 252     if (!This->device) {
 253         WARN("not initialized\n");
 254         return DSERR_UNINITIALIZED;
 255     }
 256     if (!dscaps) {
 257         WARN("invalid parameter: dscaps = NULL\n");
 258         return DSERR_INVALIDPARAM;
 259     }
 260     if (dscaps->dwSize < sizeof(*dscaps)) {
 261         WARN("invalid parameter: dscaps->dwSize = %d\n", dscaps->dwSize);
 262         return DSERR_INVALIDPARAM;
 263     }
 264
 265     dscaps->dwFlags                        = This->device->drvcaps.dwFlags;
 266     dscaps->dwMinSecondarySampleRate       = This->device->drvcaps.dwMinSecondarySampleRate;
 267     dscaps->dwMaxSecondarySampleRate       = This->device->drvcaps.dwMaxSecondarySampleRate;
 268     dscaps->dwPrimaryBuffers               = This->device->drvcaps.dwPrimaryBuffers;
 269     dscaps->dwMaxHwMixingAllBuffers        = This->device->drvcaps.dwMaxHwMixingAllBuffers;
 270     dscaps->dwMaxHwMixingStaticBuffers     = This->device->drvcaps.dwMaxHwMixingStaticBuffers;
 271     dscaps->dwMaxHwMixingStreamingBuffers  = This->device->drvcaps.dwMaxHwMixingStreamingBuffers;
 272     dscaps->dwFreeHwMixingAllBuffers       = This->device->drvcaps.dwFreeHwMixingAllBuffers;
 273     dscaps->dwFreeHwMixingStaticBuffers    = This->device->drvcaps.dwFreeHwMixingStaticBuffers;
 274     dscaps->dwFreeHwMixingStreamingBuffers = This->device->drvcaps.dwFreeHwMixingStreamingBuffers;
 275     dscaps->dwMaxHw3DAllBuffers            = This->device->drvcaps.dwMaxHw3DAllBuffers;
 276     dscaps->dwMaxHw3DStaticBuffers         = This->device->drvcaps.dwMaxHw3DStaticBuffers;
 277     dscaps->dwMaxHw3DStreamingBuffers      = This->device->drvcaps.dwMaxHw3DStreamingBuffers;
 278     dscaps->dwFreeHw3DAllBuffers           = This->device->drvcaps.dwFreeHw3DAllBuffers;
 279     dscaps->dwFreeHw3DStaticBuffers        = This->device->drvcaps.dwFreeHw3DStaticBuffers;
 280     dscaps->dwFreeHw3DStreamingBuffers     = This->device->drvcaps.dwFreeHw3DStreamingBuffers;
 281     dscaps->dwTotalHwMemBytes              = This->device->drvcaps.dwTotalHwMemBytes;
 282     dscaps->dwFreeHwMemBytes               = This->device->drvcaps.dwFreeHwMemBytes;
 283     dscaps->dwMaxContigFreeHwMemBytes      = This->device->drvcaps.dwMaxContigFreeHwMemBytes;
 284     dscaps->dwUnlockTransferRateHwBuffers  = This->device->drvcaps.dwUnlockTransferRateHwBuffers;
 285     dscaps->dwPlayCpuOverheadSwBuffers     = This->device->drvcaps.dwPlayCpuOverheadSwBuffers;
 286
 287     if (TRACE_ON(dsound)) {
 288         TRACE("(flags=0x%08x:\n", dscaps->dwFlags);
 289         _dump_DSCAPS(dscaps->dwFlags);
 290         TRACE(")\n");
 291     }
 292
 293     return DS_OK;
 294 }
 295
 296 static HRESULT WINAPI IDirectSound8Impl_DuplicateSoundBuffer(IDirectSound8 *iface,
 297         IDirectSoundBuffer *psb, IDirectSoundBuffer **ppdsb)
 298 {
 299     IDirectSoundImpl *This = impl_from_IDirectSound8(iface);
 300     TRACE("(%p,%p,%p)\n", This, psb, ppdsb);
 301     return DirectSoundDevice_DuplicateSoundBuffer(This->device, psb, ppdsb);
 302 }
 303
 304 static HRESULT WINAPI IDirectSound8Impl_SetCooperativeLevel(IDirectSound8 *iface, HWND hwnd,
 305         DWORD level)
 306 {
 307     IDirectSoundImpl *This = impl_from_IDirectSound8(iface);
 308
 309     TRACE("(%p,%p,%s)\n", This, hwnd, dumpCooperativeLevel(level));
 310
 311     if (!This->device) {
 312         WARN("not initialized\n");
 313         return DSERR_UNINITIALIZED;
 314     }
 315
 316     if (level == DSSCL_PRIORITY || level == DSSCL_EXCLUSIVE) {
 317         WARN("level=%s not fully supported\n",
 318                 level == DSSCL_PRIORITY ? "DSSCL_PRIORITY" : "DSSCL_EXCLUSIVE");
 319     }
 320
 321     This->device->priolevel = level;
 322     return DS_OK;
 323 }
 324
 325 static HRESULT WINAPI IDirectSound8Impl_Compact(IDirectSound8 *iface)
 326 {
 327     IDirectSoundImpl *This = impl_from_IDirectSound8(iface);
 328
 329     TRACE("(%p)\n", This);
 330
 331     if (!This->device) {
 332         WARN("not initialized\n");
 333         return DSERR_UNINITIALIZED;
 334     }
 335
 336     if (This->device->priolevel < DSSCL_PRIORITY) {
 337         WARN("incorrect priority level\n");
 338         return DSERR_PRIOLEVELNEEDED;
 339     }
 340     return DS_OK;
 341 }
 342
 343 static HRESULT WINAPI IDirectSound8Impl_GetSpeakerConfig(IDirectSound8 *iface, DWORD *config)
 344 {
 345     IDirectSoundImpl *This = impl_from_IDirectSound8(iface);
 346
 347     TRACE("(%p, %p)\n", This, config);
 348
 349     if (!This->device) {
 350         WARN("not initialized\n");
 351         return DSERR_UNINITIALIZED;
 352     }
 353     if (!config) {
 354         WARN("invalid parameter: config == NULL\n");
 355         return DSERR_INVALIDPARAM;
 356     }
 357
 358     WARN("not fully functional\n");
 359     *config = This->device->speaker_config;
 360     return DS_OK;
 361 }
 362
 363 static HRESULT WINAPI IDirectSound8Impl_SetSpeakerConfig(IDirectSound8 *iface, DWORD config)
 364 {
 365     IDirectSoundImpl *This = impl_from_IDirectSound8(iface);
 366
 367     TRACE("(%p,0x%08x)\n", This, config);
 368
 369     if (!This->device) {
 370         WARN("not initialized\n");
 371         return DSERR_UNINITIALIZED;
 372     }
 373
 374     This->device->speaker_config = config;
 375     WARN("not fully functional\n");
 376     return DS_OK;
 377 }
 378
 379 static HRESULT WINAPI IDirectSound8Impl_Initialize(IDirectSound8 *iface, const GUID *lpcGuid)
 380 {
 381     IDirectSoundImpl *This = impl_from_IDirectSound8(iface);
 382     TRACE("(%p, %s)\n", This, debugstr_guid(lpcGuid));
 383     return DirectSoundDevice_Initialize(&This->device, lpcGuid);
 384 }
 385
 386 static HRESULT WINAPI IDirectSound8Impl_VerifyCertification(IDirectSound8 *iface, DWORD *certified)
 387 {
 388     IDirectSoundImpl *This = impl_from_IDirectSound8(iface);
 389
 390     TRACE("(%p, %p)\n", This, certified);
 391
 392     if (!This->device) {
 393         WARN("not initialized\n");
 394         return DSERR_UNINITIALIZED;
 395     }
 396
 397     if (This->device->drvcaps.dwFlags & DSCAPS_CERTIFIED)
 398         *certified = DS_CERTIFIED;
 399     else
 400         *certified = DS_UNCERTIFIED;
 401
 402     return DS_OK;
 403 }
 404
 405 static const IDirectSound8Vtbl ds8_vtbl =
 406 {
 407     IDirectSound8Impl_QueryInterface,
 408     IDirectSound8Impl_AddRef,
 409     IDirectSound8Impl_Release,
 410     IDirectSound8Impl_CreateSoundBuffer,
 411     IDirectSound8Impl_GetCaps,
 412     IDirectSound8Impl_DuplicateSoundBuffer,
 413     IDirectSound8Impl_SetCooperativeLevel,
 414     IDirectSound8Impl_Compact,
 415     IDirectSound8Impl_GetSpeakerConfig,
 416     IDirectSound8Impl_SetSpeakerConfig,
 417     IDirectSound8Impl_Initialize,
 418     IDirectSound8Impl_VerifyCertification
 419 };
 420
 421 HRESULT IDirectSoundImpl_Create(IUnknown *outer_unk, REFIID riid, void **ppv, BOOL has_ds8)
 422 {
 423     IDirectSoundImpl *obj;
 424     HRESULT hr;
 425
 426     TRACE("(%s, %p)\n", debugstr_guid(riid), ppv);
 427
 428     *ppv = NULL;
 429     obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*obj));
 430     if (!obj) {
 431         WARN("out of memory\n");
 432         return DSERR_OUTOFMEMORY;
 433     }
 434
 435     setup_dsound_options();
 436
 437     obj->IUnknown_inner.lpVtbl = &unk_vtbl;
 438     obj->IDirectSound8_iface.lpVtbl = &ds8_vtbl;
 439     obj->ref = 1;
 440     obj->refds = 0;
 441     obj->numIfaces = 1;
 442     obj->device = NULL;
 443     obj->has_ds8 = has_ds8;
 444
 445     /* COM aggregation supported only internally */
 446     if (outer_unk)
 447         obj->outer_unk = outer_unk;
 448     else
 449         obj->outer_unk = &obj->IUnknown_inner;
 450
 451     hr = IUnknown_QueryInterface(&obj->IUnknown_inner, riid, ppv);
 452     IUnknown_Release(&obj->IUnknown_inner);
 453
 454     return hr;
 455 }
 456
 457 HRESULT DSOUND_Create(REFIID riid, void **ppv)
 458 {
 459     return IDirectSoundImpl_Create(NULL, riid, ppv, FALSE);
 460 }
 461
 462 HRESULT DSOUND_Create8(REFIID riid, void **ppv)
 463 {
 464     return IDirectSoundImpl_Create(NULL, riid, ppv, TRUE);
 465 }
 466
 467 /*******************************************************************************
 468  *              DirectSoundCreate (DSOUND.1)
 469  *
 470  *  Creates and initializes a DirectSound interface.
 471  *
 472  *  PARAMS
 473  *     lpcGUID   [I] Address of the GUID that identifies the sound device.
 474  *     ppDS      [O] Address of a variable to receive the interface pointer.
 475  *     pUnkOuter [I] Must be NULL.
 476  *
 477  *  RETURNS
 478  *     Success: DS_OK
 479  *     Failure: DSERR_ALLOCATED, DSERR_INVALIDPARAM, DSERR_NOAGGREGATION,
 480  *              DSERR_NODRIVER, DSERR_OUTOFMEMORY
 481  */
 482 HRESULT WINAPI DirectSoundCreate(
 483     LPCGUID lpcGUID,
 484     LPDIRECTSOUND *ppDS,
 485     IUnknown *pUnkOuter)
 486 {
 487     HRESULT hr;
 488     LPDIRECTSOUND pDS;
 489
 490     TRACE("(%s,%p,%p)\n",debugstr_guid(lpcGUID),ppDS,pUnkOuter);
 491
 492     if (ppDS == NULL) {
 493         WARN("invalid parameter: ppDS == NULL\n");
 494         return DSERR_INVALIDPARAM;
 495     }
 496
 497     if (pUnkOuter != NULL) {
 498         WARN("invalid parameter: pUnkOuter != NULL\n");
 499         *ppDS = 0;
 500         return DSERR_INVALIDPARAM;
 501     }
 502
 503     hr = DSOUND_Create(&IID_IDirectSound, (void **)&pDS);
 504     if (hr == DS_OK) {
 505         hr = IDirectSound_Initialize(pDS, lpcGUID);
 506         if (hr != DS_OK) {
 507             if (hr != DSERR_ALREADYINITIALIZED) {
 508                 IDirectSound_Release(pDS);
 509                 pDS = 0;
 510             } else
 511                 hr = DS_OK;
 512         }
 513     }
 514
 515     *ppDS = pDS;
 516
 517     return hr;
 518 }
 519
 520 /*******************************************************************************
 521  *        DirectSoundCreate8 (DSOUND.11)
 522  *
 523  *  Creates and initializes a DirectSound8 interface.
 524  *
 525  *  PARAMS
 526  *     lpcGUID   [I] Address of the GUID that identifies the sound device.
 527  *     ppDS      [O] Address of a variable to receive the interface pointer.
 528  *     pUnkOuter [I] Must be NULL.
 529  *
 530  *  RETURNS
 531  *     Success: DS_OK
 532  *     Failure: DSERR_ALLOCATED, DSERR_INVALIDPARAM, DSERR_NOAGGREGATION,
 533  *              DSERR_NODRIVER, DSERR_OUTOFMEMORY
 534  */
 535 HRESULT WINAPI DirectSoundCreate8(
 536     LPCGUID lpcGUID,
 537     LPDIRECTSOUND8 *ppDS,
 538     IUnknown *pUnkOuter)
 539 {
 540     HRESULT hr;
 541     LPDIRECTSOUND8 pDS;
 542
 543     TRACE("(%s,%p,%p)\n",debugstr_guid(lpcGUID),ppDS,pUnkOuter);
 544
 545     if (ppDS == NULL) {
 546         WARN("invalid parameter: ppDS == NULL\n");
 547         return DSERR_INVALIDPARAM;
 548     }
 549
 550     if (pUnkOuter != NULL) {
 551         WARN("invalid parameter: pUnkOuter != NULL\n");
 552         *ppDS = 0;
 553         return DSERR_INVALIDPARAM;
 554     }
 555
 556     hr = DSOUND_Create8(&IID_IDirectSound8, (void **)&pDS);
 557     if (hr == DS_OK) {
 558         hr = IDirectSound8_Initialize(pDS, lpcGUID);
 559         if (hr != DS_OK) {
 560             if (hr != DSERR_ALREADYINITIALIZED) {
 561                 IDirectSound8_Release(pDS);
 562                 pDS = 0;
 563             } else
 564                 hr = DS_OK;
 565         }
 566     }
 567
 568     *ppDS = pDS;
 569
 570     return hr;
 571 }
 572
 573 /*******************************************************************************
 574  *        DirectSoundDevice
 575  */
 576 static HRESULT DirectSoundDevice_Create(DirectSoundDevice ** ppDevice)
 577 {
 578     DirectSoundDevice * device;
 579     TRACE("(%p)\n", ppDevice);
 580
 581     /* Allocate memory */
 582     device = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(DirectSoundDevice));
 583     if (device == NULL) {
 584         WARN("out of memory\n");
 585         return DSERR_OUTOFMEMORY;
 586     }
 587
 588     device->ref            = 1;
 589     device->priolevel      = DSSCL_NORMAL;
 590     device->state          = STATE_STOPPED;
 591     device->speaker_config = DSSPEAKER_COMBINED(DSSPEAKER_STEREO, DSSPEAKER_GEOMETRY_WIDE);
 592
 593     /* 3D listener initial parameters */
 594     device->ds3dl.dwSize   = sizeof(DS3DLISTENER);
 595     device->ds3dl.vPosition.x = 0.0;
 596     device->ds3dl.vPosition.y = 0.0;
 597     device->ds3dl.vPosition.z = 0.0;
 598     device->ds3dl.vVelocity.x = 0.0;
 599     device->ds3dl.vVelocity.y = 0.0;
 600     device->ds3dl.vVelocity.z = 0.0;
 601     device->ds3dl.vOrientFront.x = 0.0;
 602     device->ds3dl.vOrientFront.y = 0.0;
 603     device->ds3dl.vOrientFront.z = 1.0;
 604     device->ds3dl.vOrientTop.x = 0.0;
 605     device->ds3dl.vOrientTop.y = 1.0;
 606     device->ds3dl.vOrientTop.z = 0.0;
 607     device->ds3dl.flDistanceFactor = DS3D_DEFAULTDISTANCEFACTOR;
 608     device->ds3dl.flRolloffFactor = DS3D_DEFAULTROLLOFFFACTOR;
 609     device->ds3dl.flDopplerFactor = DS3D_DEFAULTDOPPLERFACTOR;
 610
 611     device->prebuf = ds_snd_queue_max;
 612     device->guid = GUID_NULL;
 613
 614     /* Set default wave format (may need it for waveOutOpen) */
 615     device->pwfx = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(WAVEFORMATEX));
 616     if (device->pwfx == NULL) {
 617         WARN("out of memory\n");
 618         HeapFree(GetProcessHeap(),0,device);
 619         return DSERR_OUTOFMEMORY;
 620     }
 621
 622     device->pwfx->wFormatTag = WAVE_FORMAT_PCM;
 623     device->pwfx->nSamplesPerSec = ds_default_sample_rate;
 624     device->pwfx->wBitsPerSample = ds_default_bits_per_sample;
 625     device->pwfx->nChannels = 2;
 626     device->pwfx->nBlockAlign = device->pwfx->wBitsPerSample * device->pwfx->nChannels / 8;
 627     device->pwfx->nAvgBytesPerSec = device->pwfx->nSamplesPerSec * device->pwfx->nBlockAlign;
 628     device->pwfx->cbSize = 0;
 629
 630     InitializeCriticalSection(&(device->mixlock));
 631     device->mixlock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": DirectSoundDevice.mixlock");
 632
 633     RtlInitializeResource(&(device->buffer_list_lock));
 634
 635    *ppDevice = device;
 636
 637     return DS_OK;
 638 }
 639
 640 static ULONG DirectSoundDevice_AddRef(DirectSoundDevice * device)
 641 {
 642     ULONG ref = InterlockedIncrement(&(device->ref));
 643     TRACE("(%p) ref was %d\n", device, ref - 1);
 644     return ref;
 645 }
 646
 647 ULONG DirectSoundDevice_Release(DirectSoundDevice * device)
 648 {
 649     HRESULT hr;
 650     ULONG ref = InterlockedDecrement(&(device->ref));
 651     TRACE("(%p) ref was %u\n", device, ref + 1);
 652     if (!ref) {
 653         int i;
 654         timeKillEvent(device->timerID);
 655         timeEndPeriod(DS_TIME_RES);
 656
 657         /* The kill event should have allowed the timer process to expire
 658          * but try to grab the lock just in case. Can't hold lock because
 659          * secondarybuffer_destroy also grabs the lock */
 660         RtlAcquireResourceShared(&(device->buffer_list_lock), TRUE);
 661         RtlReleaseResource(&(device->buffer_list_lock));
 662
 663         EnterCriticalSection(&DSOUND_renderers_lock);
 664         list_remove(&device->entry);
 665         LeaveCriticalSection(&DSOUND_renderers_lock);
 666
 667         /* It is allowed to release this object even when buffers are playing */
 668         if (device->buffers) {
 669             WARN("%d secondary buffers not released\n", device->nrofbuffers);
 670             for( i=0;i<device->nrofbuffers;i++)
 671                 secondarybuffer_destroy(device->buffers[i]);
 672         }
 673
 674         hr = DSOUND_PrimaryDestroy(device);
 675         if (hr != DS_OK)
 676             WARN("DSOUND_PrimaryDestroy failed\n");
 677
 678         if(device->client)
 679             IAudioClient_Release(device->client);
 680         if(device->render)
 681             IAudioRenderClient_Release(device->render);
 682         if(device->clock)
 683             IAudioClock_Release(device->clock);
 684         if(device->volume)
 685             IAudioStreamVolume_Release(device->volume);
 686
 687         HeapFree(GetProcessHeap(), 0, device->tmp_buffer);
 688         HeapFree(GetProcessHeap(), 0, device->mix_buffer);
 689         HeapFree(GetProcessHeap(), 0, device->buffer);
 690         RtlDeleteResource(&device->buffer_list_lock);
 691         device->mixlock.DebugInfo->Spare[0] = 0;
 692         DeleteCriticalSection(&device->mixlock);
 693         HeapFree(GetProcessHeap(),0,device);
 694         TRACE("(%p) released\n", device);
 695     }
 696     return ref;
 697 }
 698
 699 BOOL DSOUND_check_supported(IAudioClient *client, DWORD rate,
 700         DWORD depth, WORD channels)
 701 {
 702     WAVEFORMATEX fmt, *junk;
 703     HRESULT hr;
 704
 705     fmt.wFormatTag = WAVE_FORMAT_PCM;
 706     fmt.nChannels = channels;
 707     fmt.nSamplesPerSec = rate;
 708     fmt.wBitsPerSample = depth;
 709     fmt.nBlockAlign = (channels * depth) / 8;
 710     fmt.nAvgBytesPerSec = rate * fmt.nBlockAlign;
 711     fmt.cbSize = 0;
 712
 713     hr = IAudioClient_IsFormatSupported(client, AUDCLNT_SHAREMODE_SHARED, &fmt, &junk);
 714     if(SUCCEEDED(hr))
 715         CoTaskMemFree(junk);
 716
 717     return hr == S_OK;
 718 }
 719
 720 UINT DSOUND_create_timer(LPTIMECALLBACK cb, DWORD_PTR user)
 721 {
 722     UINT triggertime = DS_TIME_DEL, res = DS_TIME_RES, id;
 723     TIMECAPS time;
 724
 725     timeGetDevCaps(&time, sizeof(TIMECAPS));
 726     TRACE("Minimum timer resolution: %u, max timer: %u\n", time.wPeriodMin, time.wPeriodMax);
 727     if (triggertime < time.wPeriodMin)
 728         triggertime = time.wPeriodMin;
 729     if (res < time.wPeriodMin)
 730         res = time.wPeriodMin;
 731     if (timeBeginPeriod(res) == TIMERR_NOCANDO)
 732         WARN("Could not set minimum resolution, don't expect sound\n");
 733     id = timeSetEvent(triggertime, res, cb, user, TIME_PERIODIC | TIME_KILL_SYNCHRONOUS);
 734     if (!id)
 735     {
 736         WARN("Timer not created! Retrying without TIME_KILL_SYNCHRONOUS\n");
 737         id = timeSetEvent(triggertime, res, cb, user, TIME_PERIODIC);
 738         if (!id)
 739             ERR("Could not create timer, sound playback will not occur\n");
 740     }
 741     return id;
 742 }
 743
 744 HRESULT DirectSoundDevice_Initialize(DirectSoundDevice ** ppDevice, LPCGUID lpcGUID)
 745 {
 746     HRESULT hr = DS_OK;
 747     GUID devGUID;
 748     DirectSoundDevice *device;
 749     IMMDevice *mmdevice;
 750
 751     TRACE("(%p,%s)\n",ppDevice,debugstr_guid(lpcGUID));
 752
 753     if (*ppDevice != NULL) {
 754         WARN("already initialized\n");
 755         return DSERR_ALREADYINITIALIZED;
 756     }
 757
 758     /* Default device? */
 759     if (!lpcGUID || IsEqualGUID(lpcGUID, &GUID_NULL))
 760         lpcGUID = &DSDEVID_DefaultPlayback;
 761
 762     if(IsEqualGUID(lpcGUID, &DSDEVID_DefaultCapture) ||
 763             IsEqualGUID(lpcGUID, &DSDEVID_DefaultVoiceCapture))
 764         return DSERR_NODRIVER;
 765
 766     if (GetDeviceID(lpcGUID, &devGUID) != DS_OK) {
 767         WARN("invalid parameter: lpcGUID\n");
 768         return DSERR_INVALIDPARAM;
 769     }
 770
 771     hr = get_mmdevice(eRender, &devGUID, &mmdevice);
 772     if(FAILED(hr))
 773         return hr;
 774
 775     EnterCriticalSection(&DSOUND_renderers_lock);
 776
 777     LIST_FOR_EACH_ENTRY(device, &DSOUND_renderers, DirectSoundDevice, entry){
 778         if(IsEqualGUID(&device->guid, &devGUID)){
 779             IMMDevice_Release(mmdevice);
 780             DirectSoundDevice_AddRef(device);
 781             *ppDevice = device;
 782             LeaveCriticalSection(&DSOUND_renderers_lock);
 783             return DS_OK;
 784         }
 785     }
 786
 787     hr = DirectSoundDevice_Create(&device);
 788     if(FAILED(hr)){
 789         WARN("DirectSoundDevice_Create failed\n");
 790         IMMDevice_Release(mmdevice);
 791         LeaveCriticalSection(&DSOUND_renderers_lock);
 792         return hr;
 793     }
 794
 795     device->mmdevice = mmdevice;
 796     device->guid = devGUID;
 797
 798     hr = DSOUND_ReopenDevice(device, FALSE);
 799     if (FAILED(hr))
 800     {
 801         HeapFree(GetProcessHeap(), 0, device);
 802         LeaveCriticalSection(&DSOUND_renderers_lock);
 803         IMMDevice_Release(mmdevice);
 804         WARN("DSOUND_ReopenDevice failed: %08x\n", hr);
 805         return hr;
 806     }
 807
 808     ZeroMemory(&device->drvcaps, sizeof(device->drvcaps));
 809
 810     if(DSOUND_check_supported(device->client, 11025, 8, 1) ||
 811             DSOUND_check_supported(device->client, 22050, 8, 1) ||
 812             DSOUND_check_supported(device->client, 44100, 8, 1) ||
 813             DSOUND_check_supported(device->client, 48000, 8, 1) ||
 814             DSOUND_check_supported(device->client, 96000, 8, 1))
 815         device->drvcaps.dwFlags |= DSCAPS_PRIMARY8BIT | DSCAPS_PRIMARYMONO;
 816
 817     if(DSOUND_check_supported(device->client, 11025, 16, 1) ||
 818             DSOUND_check_supported(device->client, 22050, 16, 1) ||
 819             DSOUND_check_supported(device->client, 44100, 16, 1) ||
 820             DSOUND_check_supported(device->client, 48000, 16, 1) ||
 821             DSOUND_check_supported(device->client, 96000, 16, 1))
 822         device->drvcaps.dwFlags |= DSCAPS_PRIMARY16BIT | DSCAPS_PRIMARYMONO;
 823
 824     if(DSOUND_check_supported(device->client, 11025, 8, 2) ||
 825             DSOUND_check_supported(device->client, 22050, 8, 2) ||
 826             DSOUND_check_supported(device->client, 44100, 8, 2) ||
 827             DSOUND_check_supported(device->client, 48000, 8, 2) ||
 828             DSOUND_check_supported(device->client, 96000, 8, 2))
 829         device->drvcaps.dwFlags |= DSCAPS_PRIMARY8BIT | DSCAPS_PRIMARYSTEREO;
 830
 831     if(DSOUND_check_supported(device->client, 11025, 16, 2) ||
 832             DSOUND_check_supported(device->client, 22050, 16, 2) ||
 833             DSOUND_check_supported(device->client, 44100, 16, 2) ||
 834             DSOUND_check_supported(device->client, 48000, 16, 2) ||
 835             DSOUND_check_supported(device->client, 96000, 16, 2))
 836         device->drvcaps.dwFlags |= DSCAPS_PRIMARY16BIT | DSCAPS_PRIMARYSTEREO;
 837
 838     /* the dsound mixer supports all of the following */
 839     device->drvcaps.dwFlags |= DSCAPS_SECONDARY8BIT | DSCAPS_SECONDARY16BIT;
 840     device->drvcaps.dwFlags |= DSCAPS_SECONDARYMONO | DSCAPS_SECONDARYSTEREO;
 841     device->drvcaps.dwFlags |= DSCAPS_CONTINUOUSRATE;
 842
 843     device->drvcaps.dwPrimaryBuffers = 1;
 844     device->drvcaps.dwMinSecondarySampleRate = DSBFREQUENCY_MIN;
 845     device->drvcaps.dwMaxSecondarySampleRate = DSBFREQUENCY_MAX;
 846     device->drvcaps.dwMaxHwMixingAllBuffers = 1;
 847     device->drvcaps.dwMaxHwMixingStaticBuffers = 1;
 848     device->drvcaps.dwMaxHwMixingStreamingBuffers = 1;
 849
 850     ZeroMemory(&device->volpan, sizeof(device->volpan));
 851
 852     hr = DSOUND_PrimaryCreate(device);
 853     if (hr == DS_OK)
 854         device->timerID = DSOUND_create_timer(DSOUND_timer, (DWORD_PTR)device);
 855     else
 856         WARN("DSOUND_PrimaryCreate failed: %08x\n", hr);
 857
 858     *ppDevice = device;
 859     list_add_tail(&DSOUND_renderers, &device->entry);
 860
 861     LeaveCriticalSection(&DSOUND_renderers_lock);
 862
 863     return hr;
 864 }
 865
 866 HRESULT DirectSoundDevice_CreateSoundBuffer(
 867     DirectSoundDevice * device,
 868     LPCDSBUFFERDESC dsbd,
 869     LPLPDIRECTSOUNDBUFFER ppdsb,
 870     LPUNKNOWN lpunk,
 871     BOOL from8)
 872 {
 873     HRESULT hres = DS_OK;
 874     TRACE("(%p,%p,%p,%p)\n",device,dsbd,ppdsb,lpunk);
 875
 876     if (device == NULL) {
 877         WARN("not initialized\n");
 878         return DSERR_UNINITIALIZED;
 879     }
 880
 881     if (dsbd == NULL) {
 882         WARN("invalid parameter: dsbd == NULL\n");
 883         return DSERR_INVALIDPARAM;
 884     }
 885
 886     if (dsbd->dwSize != sizeof(DSBUFFERDESC) &&
 887         dsbd->dwSize != sizeof(DSBUFFERDESC1)) {
 888         WARN("invalid parameter: dsbd\n");
 889         return DSERR_INVALIDPARAM;
 890     }
 891
 892     if (ppdsb == NULL) {
 893         WARN("invalid parameter: ppdsb == NULL\n");
 894         return DSERR_INVALIDPARAM;
 895     }
 896     *ppdsb = NULL;
 897
 898     if (TRACE_ON(dsound)) {
 899         TRACE("(structsize=%d)\n",dsbd->dwSize);
 900         TRACE("(flags=0x%08x:\n",dsbd->dwFlags);
 901         _dump_DSBCAPS(dsbd->dwFlags);
 902         TRACE(")\n");
 903         TRACE("(bufferbytes=%d)\n",dsbd->dwBufferBytes);
 904         TRACE("(lpwfxFormat=%p)\n",dsbd->lpwfxFormat);
 905     }
 906
 907     if (dsbd->dwFlags & DSBCAPS_LOCHARDWARE &&
 908             !(dsbd->dwFlags & DSBCAPS_PRIMARYBUFFER)) {
 909         TRACE("LOCHARDWARE is not supported, returning E_NOTIMPL\n");
 910         return E_NOTIMPL;
 911     }
 912
 913     if (dsbd->dwFlags & DSBCAPS_PRIMARYBUFFER) {
 914         if (dsbd->lpwfxFormat != NULL) {
 915             WARN("invalid parameter: dsbd->lpwfxFormat must be NULL for "
 916                  "primary buffer\n");
 917             return DSERR_INVALIDPARAM;
 918         }
 919
 920         if (device->primary) {
 921             WARN("Primary Buffer already created\n");
 922             IDirectSoundBuffer_AddRef((LPDIRECTSOUNDBUFFER8)(device->primary));
 923             *ppdsb = (LPDIRECTSOUNDBUFFER)(device->primary);
 924         } else {
 925             hres = primarybuffer_create(device, &device->primary, dsbd);
 926             if (device->primary) {
 927                 *ppdsb = (IDirectSoundBuffer*)&device->primary->IDirectSoundBuffer8_iface;
 928                 device->primary->dsbd.dwFlags &= ~(DSBCAPS_LOCHARDWARE | DSBCAPS_LOCSOFTWARE);
 929                 device->primary->dsbd.dwFlags |= DSBCAPS_LOCSOFTWARE;
 930             } else
 931                 WARN("primarybuffer_create() failed\n");
 932         }
 933     } else {
 934         IDirectSoundBufferImpl * dsb;
 935         WAVEFORMATEXTENSIBLE *pwfxe;
 936
 937         if (dsbd->lpwfxFormat == NULL) {
 938             WARN("invalid parameter: dsbd->lpwfxFormat can't be NULL for "
 939                  "secondary buffer\n");
 940             return DSERR_INVALIDPARAM;
 941         }
 942         pwfxe = (WAVEFORMATEXTENSIBLE*)dsbd->lpwfxFormat;
 943
 944         if (pwfxe->Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE)
 945         {
 946             /* check if cbSize is at least 22 bytes */
 947             if (pwfxe->Format.cbSize < (sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX)))
 948             {
 949                 WARN("Too small a cbSize %u\n", pwfxe->Format.cbSize);
 950                 return DSERR_INVALIDPARAM;
 951             }
 952
 953             /* cbSize should be 22 bytes, with one possible exception */
 954             if (pwfxe->Format.cbSize > (sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX)) &&
 955                 !((IsEqualGUID(&pwfxe->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM) || IsEqualGUID(&pwfxe->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)) &&
 956                 pwfxe->Format.cbSize == sizeof(WAVEFORMATEXTENSIBLE)))
 957             {
 958                 WARN("Too big a cbSize %u\n", pwfxe->Format.cbSize);
 959                 return DSERR_CONTROLUNAVAIL;
 960             }
 961
 962             if ((!IsEqualGUID(&pwfxe->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM)) && (!IsEqualGUID(&pwfxe->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)))
 963             {
 964                 if (!IsEqualGUID(&pwfxe->SubFormat, &GUID_NULL))
 965                     FIXME("SubFormat %s not supported right now.\n", debugstr_guid(&pwfxe->SubFormat));
 966                 return DSERR_INVALIDPARAM;
 967             }
 968             if (pwfxe->Samples.wValidBitsPerSample > dsbd->lpwfxFormat->wBitsPerSample)
 969             {
 970                 WARN("Samples.wValidBitsPerSample(%d) > Format.wBitsPerSample (%d)\n", pwfxe->Samples.wValidBitsPerSample, pwfxe->Format.wBitsPerSample);
 971                 return DSERR_INVALIDPARAM;
 972             }
 973             if (pwfxe->Samples.wValidBitsPerSample && pwfxe->Samples.wValidBitsPerSample < dsbd->lpwfxFormat->wBitsPerSample)
 974             {
 975                 FIXME("Non-packed formats not supported right now: %d/%d\n", pwfxe->Samples.wValidBitsPerSample, dsbd->lpwfxFormat->wBitsPerSample);
 976                 return DSERR_CONTROLUNAVAIL;
 977             }
 978         }
 979
 980         TRACE("(formattag=0x%04x,chans=%d,samplerate=%d,"
 981               "bytespersec=%d,blockalign=%d,bitspersamp=%d,cbSize=%d)\n",
 982               dsbd->lpwfxFormat->wFormatTag, dsbd->lpwfxFormat->nChannels,
 983               dsbd->lpwfxFormat->nSamplesPerSec,
 984               dsbd->lpwfxFormat->nAvgBytesPerSec,
 985               dsbd->lpwfxFormat->nBlockAlign,
 986               dsbd->lpwfxFormat->wBitsPerSample, dsbd->lpwfxFormat->cbSize);
 987
 988         if (from8 && (dsbd->dwFlags & DSBCAPS_CTRL3D) && (dsbd->lpwfxFormat->nChannels != 1)) {
 989             WARN("invalid parameter: 3D buffer format must be mono\n");
 990             return DSERR_INVALIDPARAM;
 991         }
 992
 993         hres = IDirectSoundBufferImpl_Create(device, &dsb, dsbd);
 994         if (dsb)
 995             *ppdsb = (IDirectSoundBuffer*)&dsb->IDirectSoundBuffer8_iface;
 996         else
 997             WARN("IDirectSoundBufferImpl_Create failed\n");
 998    }
 999
1000    return hres;
1001 }
1002
1003 HRESULT DirectSoundDevice_DuplicateSoundBuffer(
1004     DirectSoundDevice * device,
1005     LPDIRECTSOUNDBUFFER psb,
1006     LPLPDIRECTSOUNDBUFFER ppdsb)
1007 {
1008     HRESULT hres = DS_OK;
1009     IDirectSoundBufferImpl* dsb;
1010     TRACE("(%p,%p,%p)\n",device,psb,ppdsb);
1011
1012     if (device == NULL) {
1013         WARN("not initialized\n");
1014         return DSERR_UNINITIALIZED;
1015     }
1016
1017     if (psb == NULL) {
1018         WARN("invalid parameter: psb == NULL\n");
1019         return DSERR_INVALIDPARAM;
1020     }
1021
1022     if (ppdsb == NULL) {
1023         WARN("invalid parameter: ppdsb == NULL\n");
1024         return DSERR_INVALIDPARAM;
1025     }
1026
1027     /* make sure we have a secondary buffer */
1028     if (psb == (IDirectSoundBuffer *)&device->primary->IDirectSoundBuffer8_iface) {
1029         WARN("trying to duplicate primary buffer\n");
1030         *ppdsb = NULL;
1031         return DSERR_INVALIDCALL;
1032     }
1033
1034     /* duplicate the actual buffer implementation */
1035     hres = IDirectSoundBufferImpl_Duplicate(device, &dsb, (IDirectSoundBufferImpl*)psb);
1036     if (hres == DS_OK)
1037         *ppdsb = (IDirectSoundBuffer*)&dsb->IDirectSoundBuffer8_iface;
1038     else
1039         WARN("IDirectSoundBufferImpl_Duplicate failed\n");
1040
1041     return hres;
1042 }
1043
1044 /*
1045  * Add secondary buffer to buffer list.
1046  * Gets exclusive access to buffer for writing.
1047  */
1048 HRESULT DirectSoundDevice_AddBuffer(
1049     DirectSoundDevice * device,
1050     IDirectSoundBufferImpl * pDSB)
1051 {
1052     IDirectSoundBufferImpl **newbuffers;
1053     HRESULT hr = DS_OK;
1054
1055     TRACE("(%p, %p)\n", device, pDSB);
1056
1057     RtlAcquireResourceExclusive(&(device->buffer_list_lock), TRUE);
1058
1059     if (device->buffers)
1060         newbuffers = HeapReAlloc(GetProcessHeap(),0,device->buffers,sizeof(IDirectSoundBufferImpl*)*(device->nrofbuffers+1));
1061     else
1062         newbuffers = HeapAlloc(GetProcessHeap(),0,sizeof(IDirectSoundBufferImpl*)*(device->nrofbuffers+1));
1063
1064     if (newbuffers) {
1065         device->buffers = newbuffers;
1066         device->buffers[device->nrofbuffers] = pDSB;
1067         device->nrofbuffers++;
1068         TRACE("buffer count is now %d\n", device->nrofbuffers);
1069     } else {
1070         ERR("out of memory for buffer list! Current buffer count is %d\n", device->nrofbuffers);
1071         hr = DSERR_OUTOFMEMORY;
1072     }
1073
1074     RtlReleaseResource(&(device->buffer_list_lock));
1075
1076     return hr;
1077 }
1078
1079 /*
1080  * Remove secondary buffer from buffer list.
1081  * Gets exclusive access to buffer for writing.
1082  */
1083 void DirectSoundDevice_RemoveBuffer(DirectSoundDevice * device, IDirectSoundBufferImpl * pDSB)
1084 {
1085     int i;
1086
1087     TRACE("(%p, %p)\n", device, pDSB);
1088
1089     RtlAcquireResourceExclusive(&(device->buffer_list_lock), TRUE);
1090
1091     if (device->nrofbuffers == 1) {
1092         assert(device->buffers[0] == pDSB);
1093         HeapFree(GetProcessHeap(), 0, device->buffers);
1094         device->buffers = NULL;
1095     } else {
1096         for (i = 0; i < device->nrofbuffers; i++) {
1097             if (device->buffers[i] == pDSB) {
1098                 /* Put the last buffer of the list in the (now empty) position */
1099                 device->buffers[i] = device->buffers[device->nrofbuffers - 1];
1100                 break;
1101             }
1102         }
1103     }
1104     device->nrofbuffers--;
1105     TRACE("buffer count is now %d\n", device->nrofbuffers);
1106
1107     RtlReleaseResource(&(device->buffer_list_lock));
1108 }