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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  *
   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21 /*
  22  * Most thread locking is complete. There may be a few race
  23  * conditions still lurking.
  24  *
  25  * Tested with a Soundblaster clone, a Gravis UltraSound Classic,
  26  * and a Turtle Beach Tropez+.
  27  *
  28  * TODO:
  29  *      Implement SetCooperativeLevel properly (need to address focus issues)
  30  *      Implement DirectSound3DBuffers (stubs in place)
  31  *      Use hardware 3D support if available
  32  *      Add critical section locking inside Release and AddRef methods
  33  *      Handle static buffers - put those in hardware, non-static not in hardware
  34  *      Hardware DuplicateSoundBuffer
  35  *      Proper volume calculation, and setting volume in HEL primary buffer
  36  *      Optimize WINMM and negotiate fragment size, decrease DS_HEL_MARGIN
  37  */
  38
  39 #include <stdarg.h>
  40
  41 #define COBJMACROS
  42 #define NONAMELESSSTRUCT
  43 #define NONAMELESSUNION
  44 #include "windef.h"
  45 #include "winbase.h"
  46 #include "winnls.h"
  47 #include "winreg.h"
  48 #include "mmsystem.h"
  49 #include "winternl.h"
  50 #include "mmddk.h"
  51 #include "wine/debug.h"
  52 #include "dsound.h"
  53 #include "dsdriver.h"
  54 #include "dsound_private.h"
  55 #include "dsconf.h"
  56
  57 WINE_DEFAULT_DEBUG_CHANNEL(dsound);
  58
  59 /* these are eligible for tuning... they must be high on slow machines... */
  60 /* some stuff may get more responsive with lower values though... */
  61 #define DS_EMULDRIVER 0 /* some games (Quake 2, UT) refuse to accept
  62                                 emulated dsound devices. set to 0 ! */
  63 #define DS_HEL_MARGIN 5 /* HEL only: number of waveOut fragments ahead to mix in new buffers
  64                          * (keep this close or equal to DS_HEL_QUEUE for best results) */
  65 #define DS_HEL_QUEUE  5 /* HEL only: number of waveOut fragments ahead to queue to driver
  66                          * (this will affect HEL sound reliability and latency) */
  67
  68 #define DS_SND_QUEUE_MAX 28 /* max number of fragments to prebuffer */
  69 #define DS_SND_QUEUE_MIN 12 /* min number of fragments to prebuffer */
  70
  71 IDirectSoundImpl*       DSOUND_renderer = NULL;
  72 GUID                    DSOUND_renderer_guids[MAXWAVEDRIVERS];
  73 GUID                    DSOUND_capture_guids[MAXWAVEDRIVERS];
  74
  75 HRESULT mmErr(UINT err)
  76 {
  77         switch(err) {
  78         case MMSYSERR_NOERROR:
  79                 return DS_OK;
  80         case MMSYSERR_ALLOCATED:
  81                 return DSERR_ALLOCATED;
  82         case MMSYSERR_ERROR:
  83         case MMSYSERR_INVALHANDLE:
  84         case WAVERR_STILLPLAYING:
  85                 return DSERR_GENERIC; /* FIXME */
  86         case MMSYSERR_NODRIVER:
  87                 return DSERR_NODRIVER;
  88         case MMSYSERR_NOMEM:
  89                 return DSERR_OUTOFMEMORY;
  90         case MMSYSERR_INVALPARAM:
  91         case WAVERR_BADFORMAT:
  92         case WAVERR_UNPREPARED:
  93                 return DSERR_INVALIDPARAM;
  94         case MMSYSERR_NOTSUPPORTED:
  95                 return DSERR_UNSUPPORTED;
  96         default:
  97                 FIXME("Unknown MMSYS error %d\n",err);
  98                 return DSERR_GENERIC;
  99         }
 100 }
 101
 102 int ds_emuldriver = DS_EMULDRIVER;
 103 int ds_hel_margin = DS_HEL_MARGIN;
 104 int ds_hel_queue = DS_HEL_QUEUE;
 105 int ds_snd_queue_max = DS_SND_QUEUE_MAX;
 106 int ds_snd_queue_min = DS_SND_QUEUE_MIN;
 107 int ds_hw_accel = DS_HW_ACCEL_FULL;
 108 int ds_default_playback = 0;
 109 int ds_default_capture = 0;
 110
 111 /*
 112  * Get a config key from either the app-specific or the default config
 113  */
 114
 115 inline static DWORD get_config_key( HKEY defkey, HKEY appkey, const char *name,
 116                                     char *buffer, DWORD size )
 117 {
 118     if (appkey && !RegQueryValueExA( appkey, name, 0, NULL, buffer, &size )) return 0;
 119     return RegQueryValueExA( defkey, name, 0, NULL, buffer, &size );
 120 }
 121
 122
 123 /*
 124  * Setup the dsound options.
 125  */
 126
 127 void setup_dsound_options(void)
 128 {
 129     char buffer[MAX_PATH+1];
 130     HKEY hkey, appkey = 0;
 131     DWORD len;
 132
 133     buffer[MAX_PATH]='\0';
 134
 135     if (RegCreateKeyExA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\dsound", 0, NULL,
 136                          REG_OPTION_VOLATILE, KEY_ALL_ACCESS, NULL, &hkey, NULL ))
 137     {
 138         ERR("Cannot create config registry key\n" );
 139         ExitProcess(1);
 140     }
 141
 142     len = GetModuleFileNameA( 0, buffer, MAX_PATH );
 143     if (len && len < MAX_PATH)
 144     {
 145         HKEY tmpkey;
 146
 147         if (!RegOpenKeyA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\AppDefaults", &tmpkey ))
 148         {
 149            char appname[MAX_PATH+16];
 150            char *p = strrchr( buffer, '\\' );
 151            if (p!=NULL) {
 152                    lstrcpynA(appname,p+1,MAX_PATH);
 153                    strcat(appname,"\\dsound");
 154                    TRACE("appname = [%s] \n",appname);
 155                    if (RegOpenKeyA( tmpkey, appname, &appkey )) appkey = 0;
 156                        RegCloseKey( tmpkey );
 157            }
 158         }
 159     }
 160
 161     /* get options */
 162
 163     if (!get_config_key( hkey, appkey, "EmulDriver", buffer, MAX_PATH ))
 164         ds_emuldriver = strcmp(buffer, "N");
 165
 166     if (!get_config_key( hkey, appkey, "HELmargin", buffer, MAX_PATH ))
 167         ds_hel_margin = atoi(buffer);
 168
 169     if (!get_config_key( hkey, appkey, "HELqueue", buffer, MAX_PATH ))
 170         ds_hel_queue = atoi(buffer);
 171
 172     if (!get_config_key( hkey, appkey, "SndQueueMax", buffer, MAX_PATH ))
 173         ds_snd_queue_max = atoi(buffer);
 174
 175     if (!get_config_key( hkey, appkey, "SndQueueMin", buffer, MAX_PATH ))
 176         ds_snd_queue_min = atoi(buffer);
 177
 178     if (!get_config_key( hkey, appkey, "HardwareAcceleration", buffer, MAX_PATH )) {
 179         if (strcmp(buffer, "Full") == 0)
 180             ds_hw_accel = DS_HW_ACCEL_FULL;
 181         else if (strcmp(buffer, "Standard") == 0)
 182             ds_hw_accel = DS_HW_ACCEL_STANDARD;
 183         else if (strcmp(buffer, "Basic") == 0)
 184             ds_hw_accel = DS_HW_ACCEL_BASIC;
 185         else if (strcmp(buffer, "Emulation") == 0)
 186             ds_hw_accel = DS_HW_ACCEL_EMULATION;
 187     }
 188
 189     if (!get_config_key( hkey, appkey, "DefaultPlayback", buffer, MAX_PATH ))
 190             ds_default_playback = atoi(buffer);
 191
 192     if (!get_config_key( hkey, appkey, "DefaultCapture", buffer, MAX_PATH ))
 193             ds_default_capture = atoi(buffer);
 194
 195     if (appkey) RegCloseKey( appkey );
 196     RegCloseKey( hkey );
 197
 198     if (ds_emuldriver != DS_EMULDRIVER )
 199        WARN("ds_emuldriver = %d (default=%d)\n",ds_emuldriver, DS_EMULDRIVER);
 200     if (ds_hel_margin != DS_HEL_MARGIN )
 201        WARN("ds_hel_margin = %d (default=%d)\n",ds_hel_margin, DS_HEL_MARGIN );
 202     if (ds_hel_queue != DS_HEL_QUEUE )
 203        WARN("ds_hel_queue = %d (default=%d)\n",ds_hel_queue, DS_HEL_QUEUE );
 204     if (ds_snd_queue_max != DS_SND_QUEUE_MAX)
 205        WARN("ds_snd_queue_max = %d (default=%d)\n",ds_snd_queue_max ,DS_SND_QUEUE_MAX);
 206     if (ds_snd_queue_min != DS_SND_QUEUE_MIN)
 207        WARN("ds_snd_queue_min = %d (default=%d)\n",ds_snd_queue_min ,DS_SND_QUEUE_MIN);
 208     if (ds_hw_accel != DS_HW_ACCEL_FULL)
 209         WARN("ds_hw_accel = %s (default=Full)\n",
 210             ds_hw_accel==DS_HW_ACCEL_FULL ? "Full" :
 211             ds_hw_accel==DS_HW_ACCEL_STANDARD ? "Standard" :
 212             ds_hw_accel==DS_HW_ACCEL_BASIC ? "Basic" :
 213             ds_hw_accel==DS_HW_ACCEL_EMULATION ? "Emulation" :
 214             "Unknown");
 215     if (ds_default_playback != 0)
 216         WARN("ds_default_playback = %d (default=0)\n",ds_default_playback);
 217     if (ds_default_capture != 0)
 218         WARN("ds_default_capture = %d (default=0)\n",ds_default_playback);
 219 }
 220
 221 const char * get_device_id(LPCGUID pGuid)
 222 {
 223     if (IsEqualGUID(&DSDEVID_DefaultPlayback, pGuid))
 224         return "DSDEVID_DefaultPlayback";
 225     else if (IsEqualGUID(&DSDEVID_DefaultVoicePlayback, pGuid))
 226         return "DSDEVID_DefaultVoicePlayback";
 227     else if (IsEqualGUID(&DSDEVID_DefaultCapture, pGuid))
 228         return "DSDEVID_DefaultCapture";
 229     else if (IsEqualGUID(&DSDEVID_DefaultVoiceCapture, pGuid))
 230         return "DSDEVID_DefaultVoiceCapture";
 231     return debugstr_guid(pGuid);
 232 }
 233
 234 /***************************************************************************
 235  * GetDeviceID  [DSOUND.9]
 236  *
 237  * Retrieves unique identifier of default device specified
 238  *
 239  * PARAMS
 240  *    pGuidSrc  [I] Address of device GUID.
 241  *    pGuidDest [O] Address to receive unique device GUID.
 242  *
 243  * RETURNS
 244  *    Success: DS_OK
 245  *    Failure: DSERR_INVALIDPARAM
 246  *
 247  * NOTES
 248  *    pGuidSrc is a valid device GUID or DSDEVID_DefaultPlayback,
 249  *    DSDEVID_DefaultCapture, DSDEVID_DefaultVoicePlayback, or
 250  *    DSDEVID_DefaultVoiceCapture.
 251  *    Returns pGuidSrc if pGuidSrc is a valid device or the device
 252  *    GUID for the specified constants.
 253  */
 254 HRESULT WINAPI GetDeviceID(LPCGUID pGuidSrc, LPGUID pGuidDest)
 255 {
 256     TRACE("(%s,%p)\n", get_device_id(pGuidSrc),pGuidDest);
 257
 258     if ( pGuidSrc == NULL) {
 259         WARN("invalid parameter: pGuidSrc == NULL\n");
 260         return DSERR_INVALIDPARAM;
 261     }
 262
 263     if ( pGuidDest == NULL ) {
 264         WARN("invalid parameter: pGuidDest == NULL\n");
 265         return DSERR_INVALIDPARAM;
 266     }
 267
 268     if ( IsEqualGUID( &DSDEVID_DefaultPlayback, pGuidSrc ) ||
 269          IsEqualGUID( &DSDEVID_DefaultVoicePlayback, pGuidSrc ) ) {
 270         CopyMemory(pGuidDest, &DSOUND_renderer_guids[ds_default_playback], sizeof(GUID));
 271         TRACE("returns %s\n", get_device_id(pGuidDest));
 272         return DS_OK;
 273     }
 274
 275     if ( IsEqualGUID( &DSDEVID_DefaultCapture, pGuidSrc ) ||
 276          IsEqualGUID( &DSDEVID_DefaultVoiceCapture, pGuidSrc ) ) {
 277         CopyMemory(pGuidDest, &DSOUND_capture_guids[ds_default_capture], sizeof(GUID));
 278         TRACE("returns %s\n", get_device_id(pGuidDest));
 279         return DS_OK;
 280     }
 281
 282     CopyMemory(pGuidDest, pGuidSrc, sizeof(GUID));
 283     TRACE("returns %s\n", get_device_id(pGuidDest));
 284
 285     return DS_OK;
 286 }
 287
 288
 289 /***************************************************************************
 290  * DirectSoundEnumerateA [DSOUND.2]
 291  *
 292  * Enumerate all DirectSound drivers installed in the system
 293  *
 294  * PARAMS
 295  *    lpDSEnumCallback  [I] Address of callback function.
 296  *    lpContext         [I] Address of user defined context passed to callback function.
 297  *
 298  * RETURNS
 299  *    Success: DS_OK
 300  *    Failure: DSERR_INVALIDPARAM
 301  */
 302 HRESULT WINAPI DirectSoundEnumerateA(
 303     LPDSENUMCALLBACKA lpDSEnumCallback,
 304     LPVOID lpContext)
 305 {
 306     unsigned devs, wod;
 307     DSDRIVERDESC desc;
 308     GUID guid;
 309     int err;
 310
 311     TRACE("lpDSEnumCallback = %p, lpContext = %p\n",
 312         lpDSEnumCallback, lpContext);
 313
 314     if (lpDSEnumCallback == NULL) {
 315         WARN("invalid parameter: lpDSEnumCallback == NULL\n");
 316         return DSERR_INVALIDPARAM;
 317     }
 318
 319     devs = waveOutGetNumDevs();
 320     if (devs > 0) {
 321         if (GetDeviceID(&DSDEVID_DefaultPlayback, &guid) == DS_OK) {
 322             for (wod = 0; wod < devs; ++wod) {
 323                 if (IsEqualGUID( &guid, &DSOUND_renderer_guids[wod]) ) {
 324                     err = mmErr(waveOutMessage((HWAVEOUT)wod,DRV_QUERYDSOUNDDESC,(DWORD)&desc,0));
 325                     if (err == DS_OK) {
 326                         TRACE("calling lpDSEnumCallback(NULL,\"%s\",\"%s\",%p)\n",
 327                               "Primary Sound Driver",desc.szDrvname,lpContext);
 328                         if (lpDSEnumCallback(NULL, "Primary Sound Driver", desc.szDrvname, lpContext) == FALSE)
 329                             return DS_OK;
 330                     }
 331                 }
 332             }
 333         }
 334     }
 335
 336     for (wod = 0; wod < devs; ++wod) {
 337         err = mmErr(waveOutMessage((HWAVEOUT)wod,DRV_QUERYDSOUNDDESC,(DWORD)&desc,0));
 338         if (err == DS_OK) {
 339             TRACE("calling lpDSEnumCallback(%s,\"%s\",\"%s\",%p)\n",
 340                   debugstr_guid(&DSOUND_renderer_guids[wod]),desc.szDesc,desc.szDrvname,lpContext);
 341             if (lpDSEnumCallback(&DSOUND_renderer_guids[wod], desc.szDesc, desc.szDrvname, lpContext) == FALSE)
 342                 return DS_OK;
 343         }
 344     }
 345     return DS_OK;
 346 }
 347
 348 /***************************************************************************
 349  * DirectSoundEnumerateW [DSOUND.3]
 350  *
 351  * Enumerate all DirectSound drivers installed in the system
 352  *
 353  * PARAMS
 354  *    lpDSEnumCallback  [I] Address of callback function.
 355  *    lpContext         [I] Address of user defined context passed to callback function.
 356  *
 357  * RETURNS
 358  *    Success: DS_OK
 359  *    Failure: DSERR_INVALIDPARAM
 360  */
 361 HRESULT WINAPI DirectSoundEnumerateW(
 362         LPDSENUMCALLBACKW lpDSEnumCallback,
 363         LPVOID lpContext )
 364 {
 365     unsigned devs, wod;
 366     DSDRIVERDESC desc;
 367     GUID guid;
 368     int err;
 369     WCHAR wDesc[MAXPNAMELEN];
 370     WCHAR wName[MAXPNAMELEN];
 371
 372     TRACE("lpDSEnumCallback = %p, lpContext = %p\n",
 373         lpDSEnumCallback, lpContext);
 374
 375     if (lpDSEnumCallback == NULL) {
 376         WARN("invalid parameter: lpDSEnumCallback == NULL\n");
 377         return DSERR_INVALIDPARAM;
 378     }
 379
 380     devs = waveOutGetNumDevs();
 381     if (devs > 0) {
 382         if (GetDeviceID(&DSDEVID_DefaultPlayback, &guid) == DS_OK) {
 383             for (wod = 0; wod < devs; ++wod) {
 384                 if (IsEqualGUID( &guid, &DSOUND_renderer_guids[wod] ) ) {
 385                     err = mmErr(waveOutMessage((HWAVEOUT)wod,DRV_QUERYDSOUNDDESC,(DWORD)&desc,0));
 386                     if (err == DS_OK) {
 387                         TRACE("calling lpDSEnumCallback(NULL,\"%s\",\"%s\",%p)\n",
 388                               "Primary Sound Driver",desc.szDrvname,lpContext);
 389                         MultiByteToWideChar( CP_ACP, 0, "Primary Sound Driver", -1,
 390                                              wDesc, sizeof(wDesc)/sizeof(WCHAR) );
 391                         MultiByteToWideChar( CP_ACP, 0, desc.szDrvname, -1,
 392                                              wName, sizeof(wName)/sizeof(WCHAR) );
 393                         if (lpDSEnumCallback(NULL, wDesc, wName, lpContext) == FALSE)
 394                             return DS_OK;
 395                     }
 396                 }
 397             }
 398         }
 399     }
 400
 401     for (wod = 0; wod < devs; ++wod) {
 402         err = mmErr(waveOutMessage((HWAVEOUT)wod,DRV_QUERYDSOUNDDESC,(DWORD)&desc,0));
 403         if (err == DS_OK) {
 404             TRACE("calling lpDSEnumCallback(%s,\"%s\",\"%s\",%p)\n",
 405                   debugstr_guid(&DSOUND_renderer_guids[wod]),desc.szDesc,desc.szDrvname,lpContext);
 406             MultiByteToWideChar( CP_ACP, 0, desc.szDesc, -1,
 407                                  wDesc, sizeof(wDesc)/sizeof(WCHAR) );
 408             MultiByteToWideChar( CP_ACP, 0, desc.szDrvname, -1,
 409                                  wName, sizeof(wName)/sizeof(WCHAR) );
 410             if (lpDSEnumCallback(&DSOUND_renderer_guids[wod], wDesc, wName, lpContext) == FALSE)
 411                 return DS_OK;
 412         }
 413     }
 414     return DS_OK;
 415 }
 416
 417 /*******************************************************************************
 418  * DirectSound ClassFactory
 419  */
 420
 421 static HRESULT WINAPI
 422 DSCF_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj) {
 423         IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 424
 425         FIXME("(%p)->(%s,%p),stub!\n",This,debugstr_guid(riid),ppobj);
 426         return E_NOINTERFACE;
 427 }
 428
 429 static ULONG WINAPI DSCF_AddRef(LPCLASSFACTORY iface)
 430 {
 431     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 432     ULONG ref = InterlockedIncrement(&(This->ref));
 433     TRACE("(%p) ref was %ld\n", This, ref - 1);
 434     return ref;
 435 }
 436
 437 static ULONG WINAPI DSCF_Release(LPCLASSFACTORY iface)
 438 {
 439     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 440     ULONG ref = InterlockedDecrement(&(This->ref));
 441     TRACE("(%p) ref was %ld\n", This, ref + 1);
 442     /* static class, won't be freed */
 443     return ref;
 444 }
 445
 446 static HRESULT WINAPI DSCF_CreateInstance(
 447         LPCLASSFACTORY iface,LPUNKNOWN pOuter,REFIID riid,LPVOID *ppobj
 448 ) {
 449         IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 450         TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
 451
 452         if (pOuter)
 453                 return CLASS_E_NOAGGREGATION;
 454
 455         if (ppobj == NULL) {
 456                 WARN("invalid parameter\n");
 457                 return DSERR_INVALIDPARAM;
 458         }
 459
 460         *ppobj = NULL;
 461
 462         if ( IsEqualIID( &IID_IDirectSound, riid ) )
 463                 return DSOUND_Create(0,(LPDIRECTSOUND*)ppobj,pOuter);
 464
 465         if ( IsEqualIID( &IID_IDirectSound8, riid ) )
 466                 return DSOUND_Create8(0,(LPDIRECTSOUND8*)ppobj,pOuter);
 467
 468         WARN("(%p,%p,%s,%p) Interface not found!\n",This,pOuter,debugstr_guid(riid),ppobj);
 469         return E_NOINTERFACE;
 470 }
 471
 472 static HRESULT WINAPI DSCF_LockServer(LPCLASSFACTORY iface,BOOL dolock) {
 473         IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 474         FIXME("(%p)->(%d),stub!\n",This,dolock);
 475         return S_OK;
 476 }
 477
 478 static IClassFactoryVtbl DSCF_Vtbl = {
 479         DSCF_QueryInterface,
 480         DSCF_AddRef,
 481         DSCF_Release,
 482         DSCF_CreateInstance,
 483         DSCF_LockServer
 484 };
 485
 486 static IClassFactoryImpl DSOUND_CF = { &DSCF_Vtbl, 1 };
 487
 488 /*******************************************************************************
 489  * DirectSoundPrivate ClassFactory
 490  */
 491
 492 static HRESULT WINAPI
 493 DSPCF_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj) {
 494         IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 495
 496         FIXME("(%p)->(%s,%p),stub!\n",This,debugstr_guid(riid),ppobj);
 497         return E_NOINTERFACE;
 498 }
 499
 500 static ULONG WINAPI DSPCF_AddRef(LPCLASSFACTORY iface)
 501 {
 502     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 503     ULONG ref = InterlockedIncrement(&(This->ref));
 504     TRACE("(%p) ref was %ld\n", This, ref - 1);
 505     return ref;
 506 }
 507
 508 static ULONG WINAPI DSPCF_Release(LPCLASSFACTORY iface)
 509 {
 510     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 511     ULONG ref = InterlockedDecrement(&(This->ref));
 512     TRACE("(%p) ref was %ld\n", This, ref + 1);
 513     /* static class, won't be freed */
 514     return ref;
 515 }
 516
 517 static HRESULT WINAPI
 518 DSPCF_CreateInstance(
 519         LPCLASSFACTORY iface,LPUNKNOWN pOuter,REFIID riid,LPVOID *ppobj
 520 ) {
 521         IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 522         TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
 523
 524         if (ppobj == NULL) {
 525                 WARN("invalid parameter\n");
 526                 return DSERR_INVALIDPARAM;
 527         }
 528
 529         *ppobj = NULL;
 530
 531         if ( IsEqualGUID( &IID_IKsPropertySet, riid ) ) {
 532                 return IKsPrivatePropertySetImpl_Create((IKsPrivatePropertySetImpl**)ppobj);
 533         }
 534
 535         WARN("(%p,%p,%s,%p) Interface not found!\n",This,pOuter,debugstr_guid(riid),ppobj);
 536         return E_NOINTERFACE;
 537 }
 538
 539 static HRESULT WINAPI
 540 DSPCF_LockServer(LPCLASSFACTORY iface,BOOL dolock) {
 541         IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 542         FIXME("(%p)->(%d),stub!\n",This,dolock);
 543         return S_OK;
 544 }
 545
 546 static IClassFactoryVtbl DSPCF_Vtbl = {
 547         DSPCF_QueryInterface,
 548         DSPCF_AddRef,
 549         DSPCF_Release,
 550         DSPCF_CreateInstance,
 551         DSPCF_LockServer
 552 };
 553
 554 static IClassFactoryImpl DSOUND_PRIVATE_CF = { &DSPCF_Vtbl, 1 };
 555
 556 /*******************************************************************************
 557  * DllGetClassObject [DSOUND.5]
 558  * Retrieves class object from a DLL object
 559  *
 560  * NOTES
 561  *    Docs say returns STDAPI
 562  *
 563  * PARAMS
 564  *    rclsid [I] CLSID for the class object
 565  *    riid   [I] Reference to identifier of interface for class object
 566  *    ppv    [O] Address of variable to receive interface pointer for riid
 567  *
 568  * RETURNS
 569  *    Success: S_OK
 570  *    Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
 571  *             E_UNEXPECTED
 572  */
 573 DWORD WINAPI DSOUND_DllGetClassObject(REFCLSID rclsid,REFIID riid,LPVOID *ppv)
 574 {
 575     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 576
 577     if (ppv == NULL) {
 578         WARN("invalid parameter\n");
 579         return E_INVALIDARG;
 580     }
 581
 582     *ppv = NULL;
 583
 584     if ( IsEqualCLSID( &CLSID_DirectSound, rclsid ) ||
 585          IsEqualCLSID( &CLSID_DirectSound8, rclsid ) ) {
 586         if ( IsEqualCLSID( &IID_IClassFactory, riid ) ) {
 587             *ppv = (LPVOID)&DSOUND_CF;
 588             IClassFactory_AddRef((IClassFactory*)*ppv);
 589             return S_OK;
 590         }
 591         WARN("(%s,%s,%p): no interface found.\n",
 592             debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 593         return S_FALSE;
 594     }
 595
 596     if ( IsEqualCLSID( &CLSID_DirectSoundCapture, rclsid ) ||
 597          IsEqualCLSID( &CLSID_DirectSoundCapture8, rclsid ) ) {
 598         if ( IsEqualCLSID( &IID_IClassFactory, riid ) ) {
 599             *ppv = (LPVOID)&DSOUND_CAPTURE_CF;
 600             IClassFactory_AddRef((IClassFactory*)*ppv);
 601             return S_OK;
 602         }
 603         WARN("(%s,%s,%p): no interface found.\n",
 604             debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 605         return S_FALSE;
 606     }
 607
 608     if ( IsEqualCLSID( &CLSID_DirectSoundFullDuplex, rclsid ) ) {
 609         if ( IsEqualCLSID( &IID_IClassFactory, riid ) ) {
 610             *ppv = (LPVOID)&DSOUND_FULLDUPLEX_CF;
 611             IClassFactory_AddRef((IClassFactory*)*ppv);
 612             return S_OK;
 613         }
 614         WARN("(%s,%s,%p): no interface found.\n",
 615             debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 616         return S_FALSE;
 617     }
 618
 619     if ( IsEqualCLSID( &CLSID_DirectSoundPrivate, rclsid ) ) {
 620         if ( IsEqualCLSID( &IID_IClassFactory, riid ) ) {
 621             *ppv = (LPVOID)&DSOUND_PRIVATE_CF;
 622             IClassFactory_AddRef((IClassFactory*)*ppv);
 623             return S_OK;
 624         }
 625         WARN("(%s,%s,%p): no interface found.\n",
 626             debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 627         return S_FALSE;
 628     }
 629
 630     WARN("(%s,%s,%p): no class found.\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 631     return CLASS_E_CLASSNOTAVAILABLE;
 632 }
 633
 634
 635 /*******************************************************************************
 636  * DllCanUnloadNow [DSOUND.4]
 637  * Determines whether the DLL is in use.
 638  *
 639  * RETURNS
 640  *    Success: S_OK
 641  *    Failure: S_FALSE
 642  */
 643 DWORD WINAPI DSOUND_DllCanUnloadNow(void)
 644 {
 645     FIXME("(void): stub\n");
 646     return S_FALSE;
 647 }
 648
 649 #define INIT_GUID(guid, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8)      \
 650         guid.Data1 = l; guid.Data2 = w1; guid.Data3 = w2;               \
 651         guid.Data4[0] = b1; guid.Data4[1] = b2; guid.Data4[2] = b3;     \
 652         guid.Data4[3] = b4; guid.Data4[4] = b5; guid.Data4[5] = b6;     \
 653         guid.Data4[6] = b7; guid.Data4[7] = b8;
 654
 655 /***********************************************************************
 656  *           DllMain (DSOUND.init)
 657  */
 658 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpvReserved)
 659 {
 660     int i;
 661     TRACE("(%p 0x%lx %p)\n", hInstDLL, fdwReason, lpvReserved);
 662
 663     switch (fdwReason) {
 664     case DLL_PROCESS_ATTACH:
 665         TRACE("DLL_PROCESS_ATTACH\n");
 666         for (i = 0; i < MAXWAVEDRIVERS; i++) {
 667             INIT_GUID(DSOUND_renderer_guids[i], 0xbd6dd71a, 0x3deb, 0x11d1, 0xb1, 0x71, 0x00, 0xc0, 0x4f, 0xc2, 0x00, 0x00 + i);
 668             INIT_GUID(DSOUND_capture_guids[i],  0xbd6dd71b, 0x3deb, 0x11d1, 0xb1, 0x71, 0x00, 0xc0, 0x4f, 0xc2, 0x00, 0x00 + i);
 669         }
 670         break;
 671     case DLL_PROCESS_DETACH:
 672         TRACE("DLL_PROCESS_DETACH\n");
 673         break;
 674     case DLL_THREAD_ATTACH:
 675         TRACE("DLL_THREAD_ATTACH\n");
 676         break;
 677     case DLL_THREAD_DETACH:
 678         TRACE("DLL_THREAD_DETACH\n");
 679         break;
 680     default:
 681         TRACE("UNKNOWN REASON\n");
 682         break;
 683     }
 684     return TRUE;
 685 }