dlls/dsound/dsound.c

   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 #include <math.h>
  27
  28 #define COBJMACROS
  29
  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 /*******************************************************************************
 122  *        DirectSoundDevice
 123  */
 124 static HRESULT DirectSoundDevice_Create(DirectSoundDevice ** ppDevice)
 125 {
 126     DirectSoundDevice * device;
 127     TRACE("(%p)\n", ppDevice);
 128
 129     /* Allocate memory */
 130     device = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(DirectSoundDevice));
 131     if (device == NULL) {
 132         WARN("out of memory\n");
 133         return DSERR_OUTOFMEMORY;
 134     }
 135
 136     device->ref            = 1;
 137     device->priolevel      = DSSCL_NORMAL;
 138     device->stopped        = 1;
 139     device->speaker_config = DSSPEAKER_COMBINED(DSSPEAKER_STEREO, DSSPEAKER_GEOMETRY_WIDE);
 140
 141     DSOUND_ParseSpeakerConfig(device);
 142
 143     /* 3D listener initial parameters */
 144     device->ds3dl.dwSize   = sizeof(DS3DLISTENER);
 145     device->ds3dl.vPosition.x = 0.0;
 146     device->ds3dl.vPosition.y = 0.0;
 147     device->ds3dl.vPosition.z = 0.0;
 148     device->ds3dl.vVelocity.x = 0.0;
 149     device->ds3dl.vVelocity.y = 0.0;
 150     device->ds3dl.vVelocity.z = 0.0;
 151     device->ds3dl.vOrientFront.x = 0.0;
 152     device->ds3dl.vOrientFront.y = 0.0;
 153     device->ds3dl.vOrientFront.z = 1.0;
 154     device->ds3dl.vOrientTop.x = 0.0;
 155     device->ds3dl.vOrientTop.y = 1.0;
 156     device->ds3dl.vOrientTop.z = 0.0;
 157     device->ds3dl.flDistanceFactor = DS3D_DEFAULTDISTANCEFACTOR;
 158     device->ds3dl.flRolloffFactor = DS3D_DEFAULTROLLOFFFACTOR;
 159     device->ds3dl.flDopplerFactor = DS3D_DEFAULTDOPPLERFACTOR;
 160
 161     device->guid = GUID_NULL;
 162
 163     /* Set default wave format (may need it for waveOutOpen) */
 164     device->primary_pwfx = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(WAVEFORMATEXTENSIBLE));
 165     if (!device->primary_pwfx) {
 166         WARN("out of memory\n");
 167         HeapFree(GetProcessHeap(),0,device);
 168         return DSERR_OUTOFMEMORY;
 169     }
 170
 171     device->primary_pwfx->wFormatTag = WAVE_FORMAT_PCM;
 172     device->primary_pwfx->nSamplesPerSec = 22050;
 173     device->primary_pwfx->wBitsPerSample = 8;
 174     device->primary_pwfx->nChannels = 2;
 175     device->primary_pwfx->nBlockAlign = device->primary_pwfx->wBitsPerSample * device->primary_pwfx->nChannels / 8;
 176     device->primary_pwfx->nAvgBytesPerSec = device->primary_pwfx->nSamplesPerSec * device->primary_pwfx->nBlockAlign;
 177     device->primary_pwfx->cbSize = 0;
 178
 179     InitializeCriticalSection(&(device->mixlock));
 180     device->mixlock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": DirectSoundDevice.mixlock");
 181
 182     RtlInitializeResource(&(device->buffer_list_lock));
 183
 184    *ppDevice = device;
 185
 186     return DS_OK;
 187 }
 188
 189 static ULONG DirectSoundDevice_AddRef(DirectSoundDevice * device)
 190 {
 191     ULONG ref = InterlockedIncrement(&(device->ref));
 192     TRACE("(%p) ref was %d\n", device, ref - 1);
 193     return ref;
 194 }
 195
 196 static ULONG DirectSoundDevice_Release(DirectSoundDevice * device)
 197 {
 198     HRESULT hr;
 199     ULONG ref = InterlockedDecrement(&(device->ref));
 200     TRACE("(%p) ref was %u\n", device, ref + 1);
 201     if (!ref) {
 202         int i;
 203
 204         SetEvent(device->sleepev);
 205         if (device->thread) {
 206             WaitForSingleObject(device->thread_finished, INFINITE);
 207             CloseHandle(device->thread);
 208             CloseHandle(device->thread_finished);
 209         }
 210         CloseHandle(device->sleepev);
 211
 212         EnterCriticalSection(&DSOUND_renderers_lock);
 213         list_remove(&device->entry);
 214         LeaveCriticalSection(&DSOUND_renderers_lock);
 215
 216         /* It is allowed to release this object even when buffers are playing */
 217         if (device->buffers) {
 218             WARN("%d secondary buffers not released\n", device->nrofbuffers);
 219             for( i=0;i<device->nrofbuffers;i++)
 220                 secondarybuffer_destroy(device->buffers[i]);
 221         }
 222
 223         hr = DSOUND_PrimaryDestroy(device);
 224         if (hr != DS_OK)
 225             WARN("DSOUND_PrimaryDestroy failed\n");
 226
 227         if(device->client) {
 228             IAudioClient_Stop(device->client);
 229             IAudioClient_Release(device->client);
 230         }
 231         if(device->render)
 232             IAudioRenderClient_Release(device->render);
 233         if(device->volume)
 234             IAudioStreamVolume_Release(device->volume);
 235
 236         HeapFree(GetProcessHeap(), 0, device->tmp_buffer);
 237         HeapFree(GetProcessHeap(), 0, device->cp_buffer);
 238         HeapFree(GetProcessHeap(), 0, device->buffer);
 239         RtlDeleteResource(&device->buffer_list_lock);
 240         device->mixlock.DebugInfo->Spare[0] = 0;
 241         DeleteCriticalSection(&device->mixlock);
 242         HeapFree(GetProcessHeap(),0,device);
 243         TRACE("(%p) released\n", device);
 244     }
 245     return ref;
 246 }
 247
 248 BOOL DSOUND_check_supported(IAudioClient *client, DWORD rate,
 249         DWORD depth, WORD channels)
 250 {
 251     WAVEFORMATEX fmt, *junk;
 252     HRESULT hr;
 253
 254     fmt.wFormatTag = WAVE_FORMAT_PCM;
 255     fmt.nChannels = channels;
 256     fmt.nSamplesPerSec = rate;
 257     fmt.wBitsPerSample = depth;
 258     fmt.nBlockAlign = (channels * depth) / 8;
 259     fmt.nAvgBytesPerSec = rate * fmt.nBlockAlign;
 260     fmt.cbSize = 0;
 261
 262     hr = IAudioClient_IsFormatSupported(client, AUDCLNT_SHAREMODE_SHARED, &fmt, &junk);
 263     if(SUCCEEDED(hr))
 264         CoTaskMemFree(junk);
 265
 266     return hr == S_OK;
 267 }
 268
 269 static HRESULT DirectSoundDevice_Initialize(DirectSoundDevice ** ppDevice, LPCGUID lpcGUID)
 270 {
 271     HRESULT hr = DS_OK;
 272     GUID devGUID;
 273     DirectSoundDevice *device;
 274     IMMDevice *mmdevice;
 275
 276     TRACE("(%p,%s)\n",ppDevice,debugstr_guid(lpcGUID));
 277
 278     if (*ppDevice != NULL) {
 279         WARN("already initialized\n");
 280         return DSERR_ALREADYINITIALIZED;
 281     }
 282
 283     /* Default device? */
 284     if (!lpcGUID || IsEqualGUID(lpcGUID, &GUID_NULL))
 285         lpcGUID = &DSDEVID_DefaultPlayback;
 286
 287     if(IsEqualGUID(lpcGUID, &DSDEVID_DefaultCapture) ||
 288             IsEqualGUID(lpcGUID, &DSDEVID_DefaultVoiceCapture))
 289         return DSERR_NODRIVER;
 290
 291     if (GetDeviceID(lpcGUID, &devGUID) != DS_OK) {
 292         WARN("invalid parameter: lpcGUID\n");
 293         return DSERR_INVALIDPARAM;
 294     }
 295
 296     hr = get_mmdevice(eRender, &devGUID, &mmdevice);
 297     if(FAILED(hr))
 298         return hr;
 299
 300     EnterCriticalSection(&DSOUND_renderers_lock);
 301
 302     LIST_FOR_EACH_ENTRY(device, &DSOUND_renderers, DirectSoundDevice, entry){
 303         if(IsEqualGUID(&device->guid, &devGUID)){
 304             IMMDevice_Release(mmdevice);
 305             DirectSoundDevice_AddRef(device);
 306             *ppDevice = device;
 307             LeaveCriticalSection(&DSOUND_renderers_lock);
 308             return DS_OK;
 309         }
 310     }
 311
 312     hr = DirectSoundDevice_Create(&device);
 313     if(FAILED(hr)){
 314         WARN("DirectSoundDevice_Create failed\n");
 315         IMMDevice_Release(mmdevice);
 316         LeaveCriticalSection(&DSOUND_renderers_lock);
 317         return hr;
 318     }
 319
 320     device->mmdevice = mmdevice;
 321     device->guid = devGUID;
 322     device->sleepev = CreateEventW(0, 0, 0, 0);
 323     device->buflen = ds_hel_buflen;
 324
 325     hr = DSOUND_ReopenDevice(device, FALSE);
 326     if (FAILED(hr))
 327     {
 328         HeapFree(GetProcessHeap(), 0, device);
 329         LeaveCriticalSection(&DSOUND_renderers_lock);
 330         IMMDevice_Release(mmdevice);
 331         WARN("DSOUND_ReopenDevice failed: %08x\n", hr);
 332         return hr;
 333     }
 334
 335     ZeroMemory(&device->drvcaps, sizeof(device->drvcaps));
 336
 337     if(DSOUND_check_supported(device->client, 11025, 8, 1) ||
 338             DSOUND_check_supported(device->client, 22050, 8, 1) ||
 339             DSOUND_check_supported(device->client, 44100, 8, 1) ||
 340             DSOUND_check_supported(device->client, 48000, 8, 1) ||
 341             DSOUND_check_supported(device->client, 96000, 8, 1))
 342         device->drvcaps.dwFlags |= DSCAPS_PRIMARY8BIT | DSCAPS_PRIMARYMONO;
 343
 344     if(DSOUND_check_supported(device->client, 11025, 16, 1) ||
 345             DSOUND_check_supported(device->client, 22050, 16, 1) ||
 346             DSOUND_check_supported(device->client, 44100, 16, 1) ||
 347             DSOUND_check_supported(device->client, 48000, 16, 1) ||
 348             DSOUND_check_supported(device->client, 96000, 16, 1))
 349         device->drvcaps.dwFlags |= DSCAPS_PRIMARY16BIT | DSCAPS_PRIMARYMONO;
 350
 351     if(DSOUND_check_supported(device->client, 11025, 8, 2) ||
 352             DSOUND_check_supported(device->client, 22050, 8, 2) ||
 353             DSOUND_check_supported(device->client, 44100, 8, 2) ||
 354             DSOUND_check_supported(device->client, 48000, 8, 2) ||
 355             DSOUND_check_supported(device->client, 96000, 8, 2))
 356         device->drvcaps.dwFlags |= DSCAPS_PRIMARY8BIT | DSCAPS_PRIMARYSTEREO;
 357
 358     if(DSOUND_check_supported(device->client, 11025, 16, 2) ||
 359             DSOUND_check_supported(device->client, 22050, 16, 2) ||
 360             DSOUND_check_supported(device->client, 44100, 16, 2) ||
 361             DSOUND_check_supported(device->client, 48000, 16, 2) ||
 362             DSOUND_check_supported(device->client, 96000, 16, 2))
 363         device->drvcaps.dwFlags |= DSCAPS_PRIMARY16BIT | DSCAPS_PRIMARYSTEREO;
 364
 365     /* the dsound mixer supports all of the following */
 366     device->drvcaps.dwFlags |= DSCAPS_SECONDARY8BIT | DSCAPS_SECONDARY16BIT;
 367     device->drvcaps.dwFlags |= DSCAPS_SECONDARYMONO | DSCAPS_SECONDARYSTEREO;
 368     device->drvcaps.dwFlags |= DSCAPS_CONTINUOUSRATE;
 369
 370     device->drvcaps.dwPrimaryBuffers = 1;
 371     device->drvcaps.dwMinSecondarySampleRate = DSBFREQUENCY_MIN;
 372     device->drvcaps.dwMaxSecondarySampleRate = DSBFREQUENCY_MAX;
 373     device->drvcaps.dwMaxHwMixingAllBuffers = 16;
 374     device->drvcaps.dwMaxHwMixingStaticBuffers = device->drvcaps.dwMaxHwMixingAllBuffers;
 375     device->drvcaps.dwMaxHwMixingStreamingBuffers = device->drvcaps.dwMaxHwMixingAllBuffers;
 376     device->drvcaps.dwFreeHwMixingAllBuffers = device->drvcaps.dwMaxHwMixingAllBuffers;
 377     device->drvcaps.dwFreeHwMixingStaticBuffers = device->drvcaps.dwMaxHwMixingStaticBuffers;
 378     device->drvcaps.dwFreeHwMixingStreamingBuffers = device->drvcaps.dwMaxHwMixingStreamingBuffers;
 379
 380     ZeroMemory(&device->volpan, sizeof(device->volpan));
 381
 382     device->thread_finished = CreateEventW(0, 0, 0, 0);
 383     device->thread = CreateThread(0, 0, DSOUND_mixthread, device, 0, 0);
 384     SetThreadPriority(device->thread, THREAD_PRIORITY_TIME_CRITICAL);
 385
 386     *ppDevice = device;
 387     list_add_tail(&DSOUND_renderers, &device->entry);
 388
 389     LeaveCriticalSection(&DSOUND_renderers_lock);
 390
 391     return hr;
 392 }
 393
 394 static HRESULT DirectSoundDevice_CreateSoundBuffer(
 395     DirectSoundDevice * device,
 396     LPCDSBUFFERDESC dsbd,
 397     LPLPDIRECTSOUNDBUFFER ppdsb,
 398     LPUNKNOWN lpunk,
 399     BOOL from8)
 400 {
 401     HRESULT hres = DS_OK;
 402     TRACE("(%p,%p,%p,%p)\n",device,dsbd,ppdsb,lpunk);
 403
 404     if (device == NULL) {
 405         WARN("not initialized\n");
 406         return DSERR_UNINITIALIZED;
 407     }
 408
 409     if (dsbd == NULL) {
 410         WARN("invalid parameter: dsbd == NULL\n");
 411         return DSERR_INVALIDPARAM;
 412     }
 413
 414     if (dsbd->dwSize != sizeof(DSBUFFERDESC) &&
 415         dsbd->dwSize != sizeof(DSBUFFERDESC1)) {
 416         WARN("invalid parameter: dsbd\n");
 417         return DSERR_INVALIDPARAM;
 418     }
 419
 420     if (ppdsb == NULL) {
 421         WARN("invalid parameter: ppdsb == NULL\n");
 422         return DSERR_INVALIDPARAM;
 423     }
 424     *ppdsb = NULL;
 425
 426     if (TRACE_ON(dsound)) {
 427         TRACE("(structsize=%d)\n",dsbd->dwSize);
 428         TRACE("(flags=0x%08x:\n",dsbd->dwFlags);
 429         _dump_DSBCAPS(dsbd->dwFlags);
 430         TRACE(")\n");
 431         TRACE("(bufferbytes=%d)\n",dsbd->dwBufferBytes);
 432         TRACE("(lpwfxFormat=%p)\n",dsbd->lpwfxFormat);
 433     }
 434
 435     if (!(dsbd->dwFlags & DSBCAPS_PRIMARYBUFFER) &&
 436         dsbd->dwFlags & DSBCAPS_LOCHARDWARE &&
 437         device->drvcaps.dwFreeHwMixingAllBuffers == 0)
 438     {
 439         WARN("ran out of emulated hardware buffers\n");
 440         return DSERR_ALLOCATED;
 441     }
 442
 443     if (dsbd->dwFlags & DSBCAPS_PRIMARYBUFFER) {
 444         if (dsbd->lpwfxFormat != NULL) {
 445             WARN("invalid parameter: dsbd->lpwfxFormat must be NULL for "
 446                  "primary buffer\n");
 447             return DSERR_INVALIDPARAM;
 448         }
 449
 450         if (device->primary) {
 451             WARN("Primary Buffer already created\n");
 452             IDirectSoundBuffer_AddRef((LPDIRECTSOUNDBUFFER8)(device->primary));
 453             *ppdsb = (LPDIRECTSOUNDBUFFER)(device->primary);
 454         } else {
 455             hres = primarybuffer_create(device, &device->primary, dsbd);
 456             if (device->primary) {
 457                 *ppdsb = (IDirectSoundBuffer*)&device->primary->IDirectSoundBuffer8_iface;
 458                 device->primary->dsbd.dwFlags &= ~(DSBCAPS_LOCHARDWARE | DSBCAPS_LOCSOFTWARE);
 459                 device->primary->dsbd.dwFlags |= DSBCAPS_LOCSOFTWARE;
 460             } else
 461                 WARN("primarybuffer_create() failed\n");
 462         }
 463     } else {
 464         if (dsbd->lpwfxFormat == NULL) {
 465             WARN("invalid parameter: dsbd->lpwfxFormat can't be NULL for "
 466                  "secondary buffer\n");
 467             return DSERR_INVALIDPARAM;
 468         }
 469
 470         if(dsbd->lpwfxFormat->wFormatTag != WAVE_FORMAT_PCM &&
 471                 dsbd->lpwfxFormat->wFormatTag != WAVE_FORMAT_IEEE_FLOAT &&
 472                 dsbd->lpwfxFormat->wFormatTag != WAVE_FORMAT_EXTENSIBLE) {
 473             WARN("We can't mix this format: 0x%x\n", dsbd->lpwfxFormat->wFormatTag);
 474             return E_NOTIMPL;
 475         }
 476
 477         if(dsbd->lpwfxFormat->wBitsPerSample < 8 || dsbd->lpwfxFormat->wBitsPerSample % 8 != 0 ||
 478                 dsbd->lpwfxFormat->nChannels == 0 || dsbd->lpwfxFormat->nSamplesPerSec == 0 ||
 479                 dsbd->lpwfxFormat->nAvgBytesPerSec == 0 ||
 480                 dsbd->lpwfxFormat->nBlockAlign != dsbd->lpwfxFormat->nChannels * dsbd->lpwfxFormat->wBitsPerSample / 8) {
 481             WARN("Format inconsistency\n");
 482             return DSERR_INVALIDPARAM;
 483         }
 484
 485         if (dsbd->lpwfxFormat->wFormatTag == WAVE_FORMAT_EXTENSIBLE)
 486         {
 487             WAVEFORMATEXTENSIBLE *pwfxe = (WAVEFORMATEXTENSIBLE*)dsbd->lpwfxFormat;
 488
 489             /* check if cbSize is at least 22 bytes */
 490             if (pwfxe->Format.cbSize < (sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX)))
 491             {
 492                 WARN("Too small a cbSize %u\n", pwfxe->Format.cbSize);
 493                 return DSERR_INVALIDPARAM;
 494             }
 495
 496             /* cbSize should be 22 bytes, with one possible exception */
 497             if (pwfxe->Format.cbSize > (sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX)) &&
 498                 !((IsEqualGUID(&pwfxe->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM) || IsEqualGUID(&pwfxe->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)) &&
 499                 pwfxe->Format.cbSize == sizeof(WAVEFORMATEXTENSIBLE)))
 500             {
 501                 WARN("Too big a cbSize %u\n", pwfxe->Format.cbSize);
 502                 return DSERR_CONTROLUNAVAIL;
 503             }
 504
 505             if ((!IsEqualGUID(&pwfxe->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM)) && (!IsEqualGUID(&pwfxe->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)))
 506             {
 507                 if (!IsEqualGUID(&pwfxe->SubFormat, &GUID_NULL))
 508                     FIXME("SubFormat %s not supported right now.\n", debugstr_guid(&pwfxe->SubFormat));
 509                 return DSERR_INVALIDPARAM;
 510             }
 511             if (pwfxe->Samples.wValidBitsPerSample > dsbd->lpwfxFormat->wBitsPerSample)
 512             {
 513                 WARN("Samples.wValidBitsPerSample(%d) > Format.wBitsPerSample (%d)\n", pwfxe->Samples.wValidBitsPerSample, pwfxe->Format.wBitsPerSample);
 514                 return DSERR_INVALIDPARAM;
 515             }
 516             if (pwfxe->Samples.wValidBitsPerSample && pwfxe->Samples.wValidBitsPerSample < dsbd->lpwfxFormat->wBitsPerSample)
 517             {
 518                 WARN("Non-packed formats may not function : %d/%d\n", pwfxe->Samples.wValidBitsPerSample, dsbd->lpwfxFormat->wBitsPerSample);
 519             }
 520         }
 521
 522         TRACE("(formattag=0x%04x,chans=%d,samplerate=%d,"
 523               "bytespersec=%d,blockalign=%d,bitspersamp=%d,cbSize=%d)\n",
 524               dsbd->lpwfxFormat->wFormatTag, dsbd->lpwfxFormat->nChannels,
 525               dsbd->lpwfxFormat->nSamplesPerSec,
 526               dsbd->lpwfxFormat->nAvgBytesPerSec,
 527               dsbd->lpwfxFormat->nBlockAlign,
 528               dsbd->lpwfxFormat->wBitsPerSample, dsbd->lpwfxFormat->cbSize);
 529
 530         if (from8 && (dsbd->dwFlags & DSBCAPS_CTRL3D) && (dsbd->lpwfxFormat->nChannels != 1)) {
 531             WARN("invalid parameter: 3D buffer format must be mono\n");
 532             return DSERR_INVALIDPARAM;
 533         }
 534
 535         if (from8 && (dsbd->dwFlags & DSBCAPS_CTRL3D) && (dsbd->dwFlags & DSBCAPS_CTRLPAN)) {
 536             WARN("invalid parameter: DSBCAPS_CTRL3D and DSBCAPS_CTRLPAN cannot be used together\n");
 537             return DSERR_INVALIDPARAM;
 538         }
 539
 540         hres = secondarybuffer_create(device, dsbd, ppdsb);
 541         if (SUCCEEDED(hres)) {
 542             if (dsbd->dwFlags & DSBCAPS_LOCHARDWARE)
 543                 device->drvcaps.dwFreeHwMixingAllBuffers--;
 544         } else
 545             WARN("IDirectSoundBufferImpl_Create failed\n");
 546    }
 547
 548    return hres;
 549 }
 550
 551 static HRESULT DirectSoundDevice_DuplicateSoundBuffer(
 552     DirectSoundDevice * device,
 553     LPDIRECTSOUNDBUFFER psb,
 554     LPLPDIRECTSOUNDBUFFER ppdsb)
 555 {
 556     HRESULT hres = DS_OK;
 557     IDirectSoundBufferImpl* dsb;
 558     TRACE("(%p,%p,%p)\n",device,psb,ppdsb);
 559
 560     if (device == NULL) {
 561         WARN("not initialized\n");
 562         return DSERR_UNINITIALIZED;
 563     }
 564
 565     if (psb == NULL) {
 566         WARN("invalid parameter: psb == NULL\n");
 567         return DSERR_INVALIDPARAM;
 568     }
 569
 570     if (ppdsb == NULL) {
 571         WARN("invalid parameter: ppdsb == NULL\n");
 572         return DSERR_INVALIDPARAM;
 573     }
 574
 575     /* make sure we have a secondary buffer */
 576     if (psb == (IDirectSoundBuffer *)&device->primary->IDirectSoundBuffer8_iface) {
 577         WARN("trying to duplicate primary buffer\n");
 578         *ppdsb = NULL;
 579         return DSERR_INVALIDCALL;
 580     }
 581
 582     /* duplicate the actual buffer implementation */
 583     hres = IDirectSoundBufferImpl_Duplicate(device, &dsb, (IDirectSoundBufferImpl*)psb);
 584     if (hres == DS_OK)
 585         *ppdsb = (IDirectSoundBuffer*)&dsb->IDirectSoundBuffer8_iface;
 586     else
 587         WARN("IDirectSoundBufferImpl_Duplicate failed\n");
 588
 589     return hres;
 590 }
 591
 592 /*
 593  * Add secondary buffer to buffer list.
 594  * Gets exclusive access to buffer for writing.
 595  */
 596 HRESULT DirectSoundDevice_AddBuffer(
 597     DirectSoundDevice * device,
 598     IDirectSoundBufferImpl * pDSB)
 599 {
 600     IDirectSoundBufferImpl **newbuffers;
 601     HRESULT hr = DS_OK;
 602
 603     TRACE("(%p, %p)\n", device, pDSB);
 604
 605     RtlAcquireResourceExclusive(&(device->buffer_list_lock), TRUE);
 606
 607     if (device->buffers)
 608         newbuffers = HeapReAlloc(GetProcessHeap(),0,device->buffers,sizeof(IDirectSoundBufferImpl*)*(device->nrofbuffers+1));
 609     else
 610         newbuffers = HeapAlloc(GetProcessHeap(),0,sizeof(IDirectSoundBufferImpl*)*(device->nrofbuffers+1));
 611
 612     if (newbuffers) {
 613         device->buffers = newbuffers;
 614         device->buffers[device->nrofbuffers] = pDSB;
 615         device->nrofbuffers++;
 616         TRACE("buffer count is now %d\n", device->nrofbuffers);
 617     } else {
 618         ERR("out of memory for buffer list! Current buffer count is %d\n", device->nrofbuffers);
 619         hr = DSERR_OUTOFMEMORY;
 620     }
 621
 622     RtlReleaseResource(&(device->buffer_list_lock));
 623
 624     return hr;
 625 }
 626
 627 /*
 628  * Remove secondary buffer from buffer list.
 629  * Gets exclusive access to buffer for writing.
 630  */
 631 void DirectSoundDevice_RemoveBuffer(DirectSoundDevice * device, IDirectSoundBufferImpl * pDSB)
 632 {
 633     int i;
 634
 635     TRACE("(%p, %p)\n", device, pDSB);
 636
 637     RtlAcquireResourceExclusive(&(device->buffer_list_lock), TRUE);
 638
 639     if (device->nrofbuffers == 1) {
 640         assert(device->buffers[0] == pDSB);
 641         HeapFree(GetProcessHeap(), 0, device->buffers);
 642         device->buffers = NULL;
 643     } else {
 644         for (i = 0; i < device->nrofbuffers; i++) {
 645             if (device->buffers[i] == pDSB) {
 646                 /* Put the last buffer of the list in the (now empty) position */
 647                 device->buffers[i] = device->buffers[device->nrofbuffers - 1];
 648                 break;
 649             }
 650         }
 651     }
 652     device->nrofbuffers--;
 653     TRACE("buffer count is now %d\n", device->nrofbuffers);
 654
 655     RtlReleaseResource(&(device->buffer_list_lock));
 656 }
 657
 658 /*******************************************************************************
 659  *      IUnknown Implementation for DirectSound
 660  */
 661
 662 static void directsound_destroy(IDirectSoundImpl *This)
 663 {
 664     if (This->device)
 665         DirectSoundDevice_Release(This->device);
 666     HeapFree(GetProcessHeap(),0,This);
 667     TRACE("(%p) released\n", This);
 668 }
 669
 670 static inline IDirectSoundImpl *impl_from_IUnknown(IUnknown *iface)
 671 {
 672     return CONTAINING_RECORD(iface, IDirectSoundImpl, IUnknown_inner);
 673 }
 674
 675 static HRESULT WINAPI IUnknownImpl_QueryInterface(IUnknown *iface, REFIID riid, void **ppv)
 676 {
 677     IDirectSoundImpl *This = impl_from_IUnknown(iface);
 678
 679     TRACE("(%p,%s,%p)\n", This, debugstr_guid(riid), ppv);
 680
 681     if (!ppv) {
 682         WARN("invalid parameter\n");
 683         return E_INVALIDARG;
 684     }
 685     *ppv = NULL;
 686
 687     if (IsEqualIID(riid, &IID_IUnknown))
 688         *ppv = &This->IUnknown_inner;
 689     else if (IsEqualIID(riid, &IID_IDirectSound) ||
 690             (IsEqualIID(riid, &IID_IDirectSound8) && This->has_ds8))
 691         *ppv = &This->IDirectSound8_iface;
 692     else {
 693         WARN("unknown IID %s\n", debugstr_guid(riid));
 694         return E_NOINTERFACE;
 695     }
 696
 697     IUnknown_AddRef((IUnknown*)*ppv);
 698     return S_OK;
 699 }
 700
 701 static ULONG WINAPI IUnknownImpl_AddRef(IUnknown *iface)
 702 {
 703     IDirectSoundImpl *This = impl_from_IUnknown(iface);
 704     ULONG ref = InterlockedIncrement(&This->ref);
 705
 706     TRACE("(%p) ref=%d\n", This, ref);
 707
 708     if(ref == 1)
 709         InterlockedIncrement(&This->numIfaces);
 710
 711     return ref;
 712 }
 713
 714 static ULONG WINAPI IUnknownImpl_Release(IUnknown *iface)
 715 {
 716     IDirectSoundImpl *This = impl_from_IUnknown(iface);
 717     ULONG ref = InterlockedDecrement(&This->ref);
 718
 719     TRACE("(%p) ref=%d\n", This, ref);
 720
 721     if (!ref && !InterlockedDecrement(&This->numIfaces))
 722         directsound_destroy(This);
 723
 724     return ref;
 725 }
 726
 727 static const IUnknownVtbl unk_vtbl =
 728 {
 729     IUnknownImpl_QueryInterface,
 730     IUnknownImpl_AddRef,
 731     IUnknownImpl_Release
 732 };
 733
 734 /*******************************************************************************
 735  *      IDirectSound and IDirectSound8 Implementation
 736  */
 737 static inline IDirectSoundImpl *impl_from_IDirectSound8(IDirectSound8 *iface)
 738 {
 739     return CONTAINING_RECORD(iface, IDirectSoundImpl, IDirectSound8_iface);
 740 }
 741
 742 static HRESULT WINAPI IDirectSound8Impl_QueryInterface(IDirectSound8 *iface, REFIID riid,
 743         void **ppv)
 744 {
 745     IDirectSoundImpl *This = impl_from_IDirectSound8(iface);
 746     TRACE("(%p,%s,%p)\n", This, debugstr_guid(riid), ppv);
 747     return IUnknown_QueryInterface(This->outer_unk, riid, ppv);
 748 }
 749
 750 static ULONG WINAPI IDirectSound8Impl_AddRef(IDirectSound8 *iface)
 751 {
 752     IDirectSoundImpl *This = impl_from_IDirectSound8(iface);
 753     ULONG ref = InterlockedIncrement(&This->refds);
 754
 755     TRACE("(%p) refds=%d\n", This, ref);
 756
 757     if(ref == 1)
 758         InterlockedIncrement(&This->numIfaces);
 759
 760     return ref;
 761 }
 762
 763 static ULONG WINAPI IDirectSound8Impl_Release(IDirectSound8 *iface)
 764 {
 765     IDirectSoundImpl *This = impl_from_IDirectSound8(iface);
 766     ULONG ref = InterlockedDecrement(&(This->refds));
 767
 768     TRACE("(%p) refds=%d\n", This, ref);
 769
 770     if (!ref && !InterlockedDecrement(&This->numIfaces))
 771         directsound_destroy(This);
 772
 773     return ref;
 774 }
 775
 776 static HRESULT WINAPI IDirectSound8Impl_CreateSoundBuffer(IDirectSound8 *iface,
 777         const DSBUFFERDESC *dsbd, IDirectSoundBuffer **ppdsb, IUnknown *lpunk)
 778 {
 779     IDirectSoundImpl *This = impl_from_IDirectSound8(iface);
 780     TRACE("(%p,%p,%p,%p)\n", This, dsbd, ppdsb, lpunk);
 781     return DirectSoundDevice_CreateSoundBuffer(This->device, dsbd, ppdsb, lpunk, This->has_ds8);
 782 }
 783
 784 static HRESULT WINAPI IDirectSound8Impl_GetCaps(IDirectSound8 *iface, DSCAPS *dscaps)
 785 {
 786     IDirectSoundImpl *This = impl_from_IDirectSound8(iface);
 787
 788     TRACE("(%p, %p)\n", This, dscaps);
 789
 790     if (!This->device) {
 791         WARN("not initialized\n");
 792         return DSERR_UNINITIALIZED;
 793     }
 794     if (!dscaps) {
 795         WARN("invalid parameter: dscaps = NULL\n");
 796         return DSERR_INVALIDPARAM;
 797     }
 798     if (dscaps->dwSize < sizeof(*dscaps)) {
 799         WARN("invalid parameter: dscaps->dwSize = %d\n", dscaps->dwSize);
 800         return DSERR_INVALIDPARAM;
 801     }
 802
 803     dscaps->dwFlags                        = This->device->drvcaps.dwFlags;
 804     dscaps->dwMinSecondarySampleRate       = This->device->drvcaps.dwMinSecondarySampleRate;
 805     dscaps->dwMaxSecondarySampleRate       = This->device->drvcaps.dwMaxSecondarySampleRate;
 806     dscaps->dwPrimaryBuffers               = This->device->drvcaps.dwPrimaryBuffers;
 807     dscaps->dwMaxHwMixingAllBuffers        = This->device->drvcaps.dwMaxHwMixingAllBuffers;
 808     dscaps->dwMaxHwMixingStaticBuffers     = This->device->drvcaps.dwMaxHwMixingStaticBuffers;
 809     dscaps->dwMaxHwMixingStreamingBuffers  = This->device->drvcaps.dwMaxHwMixingStreamingBuffers;
 810     dscaps->dwFreeHwMixingAllBuffers       = This->device->drvcaps.dwFreeHwMixingAllBuffers;
 811     dscaps->dwFreeHwMixingStaticBuffers    = This->device->drvcaps.dwFreeHwMixingAllBuffers;
 812     dscaps->dwFreeHwMixingStreamingBuffers = This->device->drvcaps.dwFreeHwMixingAllBuffers;
 813
 814     dscaps->dwMaxHw3DAllBuffers            = This->device->drvcaps.dwMaxHw3DAllBuffers;
 815     dscaps->dwMaxHw3DStaticBuffers         = This->device->drvcaps.dwMaxHw3DStaticBuffers;
 816     dscaps->dwMaxHw3DStreamingBuffers      = This->device->drvcaps.dwMaxHw3DStreamingBuffers;
 817     dscaps->dwFreeHw3DAllBuffers           = This->device->drvcaps.dwFreeHw3DAllBuffers;
 818     dscaps->dwFreeHw3DStaticBuffers        = This->device->drvcaps.dwFreeHw3DStaticBuffers;
 819     dscaps->dwFreeHw3DStreamingBuffers     = This->device->drvcaps.dwFreeHw3DStreamingBuffers;
 820     dscaps->dwTotalHwMemBytes              = This->device->drvcaps.dwTotalHwMemBytes;
 821     dscaps->dwFreeHwMemBytes               = This->device->drvcaps.dwFreeHwMemBytes;
 822     dscaps->dwMaxContigFreeHwMemBytes      = This->device->drvcaps.dwMaxContigFreeHwMemBytes;
 823     dscaps->dwUnlockTransferRateHwBuffers  = This->device->drvcaps.dwUnlockTransferRateHwBuffers;
 824     dscaps->dwPlayCpuOverheadSwBuffers     = This->device->drvcaps.dwPlayCpuOverheadSwBuffers;
 825
 826     if (TRACE_ON(dsound)) {
 827         TRACE("(flags=0x%08x:\n", dscaps->dwFlags);
 828         _dump_DSCAPS(dscaps->dwFlags);
 829         TRACE(")\n");
 830     }
 831
 832     return DS_OK;
 833 }
 834
 835 static HRESULT WINAPI IDirectSound8Impl_DuplicateSoundBuffer(IDirectSound8 *iface,
 836         IDirectSoundBuffer *psb, IDirectSoundBuffer **ppdsb)
 837 {
 838     IDirectSoundImpl *This = impl_from_IDirectSound8(iface);
 839     TRACE("(%p,%p,%p)\n", This, psb, ppdsb);
 840     return DirectSoundDevice_DuplicateSoundBuffer(This->device, psb, ppdsb);
 841 }
 842
 843 static HRESULT WINAPI IDirectSound8Impl_SetCooperativeLevel(IDirectSound8 *iface, HWND hwnd,
 844         DWORD level)
 845 {
 846     IDirectSoundImpl *This = impl_from_IDirectSound8(iface);
 847     DirectSoundDevice *device = This->device;
 848     HRESULT hr = S_OK;
 849
 850     TRACE("(%p,%p,%s)\n", This, hwnd, dumpCooperativeLevel(level));
 851
 852     if (!device) {
 853         WARN("not initialized\n");
 854         return DSERR_UNINITIALIZED;
 855     }
 856
 857     if (level == DSSCL_PRIORITY || level == DSSCL_EXCLUSIVE) {
 858         WARN("level=%s not fully supported\n",
 859              level==DSSCL_PRIORITY ? "DSSCL_PRIORITY" : "DSSCL_EXCLUSIVE");
 860     }
 861
 862     RtlAcquireResourceExclusive(&device->buffer_list_lock, TRUE);
 863     EnterCriticalSection(&device->mixlock);
 864     if ((level == DSSCL_WRITEPRIMARY) != (device->priolevel == DSSCL_WRITEPRIMARY))
 865         hr = DSOUND_ReopenDevice(device, level == DSSCL_WRITEPRIMARY);
 866     if (SUCCEEDED(hr))
 867         device->priolevel = level;
 868     LeaveCriticalSection(&device->mixlock);
 869     RtlReleaseResource(&device->buffer_list_lock);
 870     return hr;
 871 }
 872
 873 static HRESULT WINAPI IDirectSound8Impl_Compact(IDirectSound8 *iface)
 874 {
 875     IDirectSoundImpl *This = impl_from_IDirectSound8(iface);
 876
 877     TRACE("(%p)\n", This);
 878
 879     if (!This->device) {
 880         WARN("not initialized\n");
 881         return DSERR_UNINITIALIZED;
 882     }
 883
 884     if (This->device->priolevel < DSSCL_PRIORITY) {
 885         WARN("incorrect priority level\n");
 886         return DSERR_PRIOLEVELNEEDED;
 887     }
 888     return DS_OK;
 889 }
 890
 891 static HRESULT WINAPI IDirectSound8Impl_GetSpeakerConfig(IDirectSound8 *iface, DWORD *config)
 892 {
 893     IDirectSoundImpl *This = impl_from_IDirectSound8(iface);
 894
 895     TRACE("(%p, %p)\n", This, config);
 896
 897     if (!This->device) {
 898         WARN("not initialized\n");
 899         return DSERR_UNINITIALIZED;
 900     }
 901     if (!config) {
 902         WARN("invalid parameter: config == NULL\n");
 903         return DSERR_INVALIDPARAM;
 904     }
 905
 906     WARN("not fully functional\n");
 907     *config = This->device->speaker_config;
 908     return DS_OK;
 909 }
 910
 911 static HRESULT WINAPI IDirectSound8Impl_SetSpeakerConfig(IDirectSound8 *iface, DWORD config)
 912 {
 913     IDirectSoundImpl *This = impl_from_IDirectSound8(iface);
 914
 915     TRACE("(%p,0x%08x)\n", This, config);
 916
 917     if (!This->device) {
 918         WARN("not initialized\n");
 919         return DSERR_UNINITIALIZED;
 920     }
 921
 922     /* NOP on Vista and above */
 923
 924     return DS_OK;
 925 }
 926
 927 static HRESULT WINAPI IDirectSound8Impl_Initialize(IDirectSound8 *iface, const GUID *lpcGuid)
 928 {
 929     IDirectSoundImpl *This = impl_from_IDirectSound8(iface);
 930     TRACE("(%p, %s)\n", This, debugstr_guid(lpcGuid));
 931     return DirectSoundDevice_Initialize(&This->device, lpcGuid);
 932 }
 933
 934 static HRESULT WINAPI IDirectSound8Impl_VerifyCertification(IDirectSound8 *iface, DWORD *certified)
 935 {
 936     IDirectSoundImpl *This = impl_from_IDirectSound8(iface);
 937
 938     TRACE("(%p, %p)\n", This, certified);
 939
 940     if (!This->device) {
 941         WARN("not initialized\n");
 942         return DSERR_UNINITIALIZED;
 943     }
 944
 945     if (This->device->drvcaps.dwFlags & DSCAPS_CERTIFIED)
 946         *certified = DS_CERTIFIED;
 947     else
 948         *certified = DS_UNCERTIFIED;
 949
 950     return DS_OK;
 951 }
 952
 953 static const IDirectSound8Vtbl ds8_vtbl =
 954 {
 955     IDirectSound8Impl_QueryInterface,
 956     IDirectSound8Impl_AddRef,
 957     IDirectSound8Impl_Release,
 958     IDirectSound8Impl_CreateSoundBuffer,
 959     IDirectSound8Impl_GetCaps,
 960     IDirectSound8Impl_DuplicateSoundBuffer,
 961     IDirectSound8Impl_SetCooperativeLevel,
 962     IDirectSound8Impl_Compact,
 963     IDirectSound8Impl_GetSpeakerConfig,
 964     IDirectSound8Impl_SetSpeakerConfig,
 965     IDirectSound8Impl_Initialize,
 966     IDirectSound8Impl_VerifyCertification
 967 };
 968
 969 HRESULT IDirectSoundImpl_Create(IUnknown *outer_unk, REFIID riid, void **ppv, BOOL has_ds8)
 970 {
 971     IDirectSoundImpl *obj;
 972     HRESULT hr;
 973
 974     TRACE("(%s, %p)\n", debugstr_guid(riid), ppv);
 975
 976     *ppv = NULL;
 977     obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*obj));
 978     if (!obj) {
 979         WARN("out of memory\n");
 980         return DSERR_OUTOFMEMORY;
 981     }
 982
 983     setup_dsound_options();
 984
 985     obj->IUnknown_inner.lpVtbl = &unk_vtbl;
 986     obj->IDirectSound8_iface.lpVtbl = &ds8_vtbl;
 987     obj->ref = 1;
 988     obj->refds = 0;
 989     obj->numIfaces = 1;
 990     obj->device = NULL;
 991     obj->has_ds8 = has_ds8;
 992
 993     /* COM aggregation supported only internally */
 994     if (outer_unk)
 995         obj->outer_unk = outer_unk;
 996     else
 997         obj->outer_unk = &obj->IUnknown_inner;
 998
 999     hr = IUnknown_QueryInterface(&obj->IUnknown_inner, riid, ppv);
1000     IUnknown_Release(&obj->IUnknown_inner);
1001
1002     return hr;
1003 }
1004
1005 HRESULT DSOUND_Create(REFIID riid, void **ppv)
1006 {
1007     return IDirectSoundImpl_Create(NULL, riid, ppv, FALSE);
1008 }
1009
1010 HRESULT DSOUND_Create8(REFIID riid, void **ppv)
1011 {
1012     return IDirectSoundImpl_Create(NULL, riid, ppv, TRUE);
1013 }
1014
1015 /*******************************************************************************
1016  *              DirectSoundCreate (DSOUND.1)
1017  *
1018  *  Creates and initializes a DirectSound interface.
1019  *
1020  *  PARAMS
1021  *     lpcGUID   [I] Address of the GUID that identifies the sound device.
1022  *     ppDS      [O] Address of a variable to receive the interface pointer.
1023  *     pUnkOuter [I] Must be NULL.
1024  *
1025  *  RETURNS
1026  *     Success: DS_OK
1027  *     Failure: DSERR_ALLOCATED, DSERR_INVALIDPARAM, DSERR_NOAGGREGATION,
1028  *              DSERR_NODRIVER, DSERR_OUTOFMEMORY
1029  */
1030 HRESULT WINAPI DirectSoundCreate(
1031     LPCGUID lpcGUID,
1032     LPDIRECTSOUND *ppDS,
1033     IUnknown *pUnkOuter)
1034 {
1035     HRESULT hr;
1036     LPDIRECTSOUND pDS;
1037
1038     TRACE("(%s,%p,%p)\n",debugstr_guid(lpcGUID),ppDS,pUnkOuter);
1039
1040     if (ppDS == NULL) {
1041         WARN("invalid parameter: ppDS == NULL\n");
1042         return DSERR_INVALIDPARAM;
1043     }
1044
1045     if (pUnkOuter != NULL) {
1046         WARN("invalid parameter: pUnkOuter != NULL\n");
1047         *ppDS = 0;
1048         return DSERR_INVALIDPARAM;
1049     }
1050
1051     hr = DSOUND_Create(&IID_IDirectSound, (void **)&pDS);
1052     if (hr == DS_OK) {
1053         hr = IDirectSound_Initialize(pDS, lpcGUID);
1054         if (hr != DS_OK) {
1055             if (hr != DSERR_ALREADYINITIALIZED) {
1056                 IDirectSound_Release(pDS);
1057                 pDS = 0;
1058             } else
1059                 hr = DS_OK;
1060         }
1061     }
1062
1063     *ppDS = pDS;
1064
1065     return hr;
1066 }
1067
1068 /*******************************************************************************
1069  *        DirectSoundCreate8 (DSOUND.11)
1070  *
1071  *  Creates and initializes a DirectSound8 interface.
1072  *
1073  *  PARAMS
1074  *     lpcGUID   [I] Address of the GUID that identifies the sound device.
1075  *     ppDS      [O] Address of a variable to receive the interface pointer.
1076  *     pUnkOuter [I] Must be NULL.
1077  *
1078  *  RETURNS
1079  *     Success: DS_OK
1080  *     Failure: DSERR_ALLOCATED, DSERR_INVALIDPARAM, DSERR_NOAGGREGATION,
1081  *              DSERR_NODRIVER, DSERR_OUTOFMEMORY
1082  */
1083 HRESULT WINAPI DirectSoundCreate8(
1084     LPCGUID lpcGUID,
1085     LPDIRECTSOUND8 *ppDS,
1086     IUnknown *pUnkOuter)
1087 {
1088     HRESULT hr;
1089     LPDIRECTSOUND8 pDS;
1090
1091     TRACE("(%s,%p,%p)\n",debugstr_guid(lpcGUID),ppDS,pUnkOuter);
1092
1093     if (ppDS == NULL) {
1094         WARN("invalid parameter: ppDS == NULL\n");
1095         return DSERR_INVALIDPARAM;
1096     }
1097
1098     if (pUnkOuter != NULL) {
1099         WARN("invalid parameter: pUnkOuter != NULL\n");
1100         *ppDS = 0;
1101         return DSERR_INVALIDPARAM;
1102     }
1103
1104     hr = DSOUND_Create8(&IID_IDirectSound8, (void **)&pDS);
1105     if (hr == DS_OK) {
1106         hr = IDirectSound8_Initialize(pDS, lpcGUID);
1107         if (hr != DS_OK) {
1108             if (hr != DSERR_ALREADYINITIALIZED) {
1109                 IDirectSound8_Release(pDS);
1110                 pDS = 0;
1111             } else
1112                 hr = DS_OK;
1113         }
1114     }
1115
1116     *ppDS = pDS;
1117
1118     return hr;
1119 }
1120
1121 void DSOUND_ParseSpeakerConfig(DirectSoundDevice *device)
1122 {
1123     switch (DSSPEAKER_CONFIG(device->speaker_config)) {
1124         case DSSPEAKER_MONO:
1125             device->speaker_angles[0] = M_PI/180.0f * 0.0f;
1126             device->speaker_num[0] = 0;
1127             device->num_speakers = 1;
1128             device->lfe_channel = -1;
1129         break;
1130
1131         case DSSPEAKER_STEREO:
1132         case DSSPEAKER_HEADPHONE:
1133             device->speaker_angles[0] = M_PI/180.0f * -90.0f;
1134             device->speaker_angles[1] = M_PI/180.0f *  90.0f;
1135             device->speaker_num[0] = 0; /* Left */
1136             device->speaker_num[1] = 1; /* Right */
1137             device->num_speakers = 2;
1138             device->lfe_channel = -1;
1139         break;
1140
1141         case DSSPEAKER_QUAD:
1142             device->speaker_angles[0] = M_PI/180.0f * -135.0f;
1143             device->speaker_angles[1] = M_PI/180.0f *  -45.0f;
1144             device->speaker_angles[2] = M_PI/180.0f *   45.0f;
1145             device->speaker_angles[3] = M_PI/180.0f *  135.0f;
1146             device->speaker_num[0] = 2; /* Rear left */
1147             device->speaker_num[1] = 0; /* Front left */
1148             device->speaker_num[2] = 1; /* Front right */
1149             device->speaker_num[3] = 3; /* Rear right */
1150             device->num_speakers = 4;
1151             device->lfe_channel = -1;
1152         break;
1153
1154         case DSSPEAKER_5POINT1_BACK:
1155             device->speaker_angles[0] = M_PI/180.0f * -135.0f;
1156             device->speaker_angles[1] = M_PI/180.0f *  -45.0f;
1157             device->speaker_angles[2] = M_PI/180.0f *    0.0f;
1158             device->speaker_angles[3] = M_PI/180.0f *   45.0f;
1159             device->speaker_angles[4] = M_PI/180.0f *  135.0f;
1160             device->speaker_angles[5] = 9999.0f;
1161             device->speaker_num[0] = 4; /* Rear left */
1162             device->speaker_num[1] = 0; /* Front left */
1163             device->speaker_num[2] = 2; /* Front centre */
1164             device->speaker_num[3] = 1; /* Front right */
1165             device->speaker_num[4] = 5; /* Rear right */
1166             device->speaker_num[5] = 3; /* LFE */
1167             device->num_speakers = 6;
1168             device->lfe_channel = 3;
1169         break;
1170
1171         case DSSPEAKER_5POINT1_SURROUND:
1172             device->speaker_angles[0] = M_PI/180.0f *  -90.0f;
1173             device->speaker_angles[1] = M_PI/180.0f *  -30.0f;
1174             device->speaker_angles[2] = M_PI/180.0f *    0.0f;
1175             device->speaker_angles[3] = M_PI/180.0f *   30.0f;
1176             device->speaker_angles[4] = M_PI/180.0f *   90.0f;
1177             device->speaker_angles[5] = 9999.0f;
1178             device->speaker_num[0] = 4; /* Rear left */
1179             device->speaker_num[1] = 0; /* Front left */
1180             device->speaker_num[2] = 2; /* Front centre */
1181             device->speaker_num[3] = 1; /* Front right */
1182             device->speaker_num[4] = 5; /* Rear right */
1183             device->speaker_num[5] = 3; /* LFE */
1184             device->num_speakers = 6;
1185             device->lfe_channel = 3;
1186         break;
1187
1188         default:
1189             WARN("unknown speaker_config %u\n", device->speaker_config);
1190     }
1191 }