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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 DirectSoundDevice*      DSOUND_renderer[MAXWAVEDRIVERS];
  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 ))
 156                        appkey = 0;
 157                    RegCloseKey( tmpkey );
 158            }
 159         }
 160     }
 161
 162     /* get options */
 163
 164     if (!get_config_key( hkey, appkey, "EmulDriver", buffer, MAX_PATH ))
 165         ds_emuldriver = strcmp(buffer, "N");
 166
 167     if (!get_config_key( hkey, appkey, "HELmargin", buffer, MAX_PATH ))
 168         ds_hel_margin = atoi(buffer);
 169
 170     if (!get_config_key( hkey, appkey, "HELqueue", buffer, MAX_PATH ))
 171         ds_hel_queue = atoi(buffer);
 172
 173     if (!get_config_key( hkey, appkey, "SndQueueMax", buffer, MAX_PATH ))
 174         ds_snd_queue_max = atoi(buffer);
 175
 176     if (!get_config_key( hkey, appkey, "SndQueueMin", buffer, MAX_PATH ))
 177         ds_snd_queue_min = atoi(buffer);
 178
 179     if (!get_config_key( hkey, appkey, "HardwareAcceleration", buffer, MAX_PATH )) {
 180         if (strcmp(buffer, "Full") == 0)
 181             ds_hw_accel = DS_HW_ACCEL_FULL;
 182         else if (strcmp(buffer, "Standard") == 0)
 183             ds_hw_accel = DS_HW_ACCEL_STANDARD;
 184         else if (strcmp(buffer, "Basic") == 0)
 185             ds_hw_accel = DS_HW_ACCEL_BASIC;
 186         else if (strcmp(buffer, "Emulation") == 0)
 187             ds_hw_accel = DS_HW_ACCEL_EMULATION;
 188     }
 189
 190     if (!get_config_key( hkey, appkey, "DefaultPlayback", buffer, MAX_PATH ))
 191             ds_default_playback = atoi(buffer);
 192
 193     if (!get_config_key( hkey, appkey, "DefaultCapture", buffer, MAX_PATH ))
 194             ds_default_capture = atoi(buffer);
 195
 196     if (appkey) RegCloseKey( appkey );
 197     RegCloseKey( hkey );
 198
 199     if (ds_emuldriver != DS_EMULDRIVER )
 200        WARN("ds_emuldriver = %d (default=%d)\n",ds_emuldriver, DS_EMULDRIVER);
 201     if (ds_hel_margin != DS_HEL_MARGIN )
 202        WARN("ds_hel_margin = %d (default=%d)\n",ds_hel_margin, DS_HEL_MARGIN );
 203     if (ds_hel_queue != DS_HEL_QUEUE )
 204        WARN("ds_hel_queue = %d (default=%d)\n",ds_hel_queue, DS_HEL_QUEUE );
 205     if (ds_snd_queue_max != DS_SND_QUEUE_MAX)
 206        WARN("ds_snd_queue_max = %d (default=%d)\n",ds_snd_queue_max ,DS_SND_QUEUE_MAX);
 207     if (ds_snd_queue_min != DS_SND_QUEUE_MIN)
 208        WARN("ds_snd_queue_min = %d (default=%d)\n",ds_snd_queue_min ,DS_SND_QUEUE_MIN);
 209     if (ds_hw_accel != DS_HW_ACCEL_FULL)
 210         WARN("ds_hw_accel = %s (default=Full)\n",
 211             ds_hw_accel==DS_HW_ACCEL_FULL ? "Full" :
 212             ds_hw_accel==DS_HW_ACCEL_STANDARD ? "Standard" :
 213             ds_hw_accel==DS_HW_ACCEL_BASIC ? "Basic" :
 214             ds_hw_accel==DS_HW_ACCEL_EMULATION ? "Emulation" :
 215             "Unknown");
 216     if (ds_default_playback != 0)
 217         WARN("ds_default_playback = %d (default=0)\n",ds_default_playback);
 218     if (ds_default_capture != 0)
 219         WARN("ds_default_capture = %d (default=0)\n",ds_default_playback);
 220 }
 221
 222 const char * get_device_id(LPCGUID pGuid)
 223 {
 224     if (IsEqualGUID(&DSDEVID_DefaultPlayback, pGuid))
 225         return "DSDEVID_DefaultPlayback";
 226     else if (IsEqualGUID(&DSDEVID_DefaultVoicePlayback, pGuid))
 227         return "DSDEVID_DefaultVoicePlayback";
 228     else if (IsEqualGUID(&DSDEVID_DefaultCapture, pGuid))
 229         return "DSDEVID_DefaultCapture";
 230     else if (IsEqualGUID(&DSDEVID_DefaultVoiceCapture, pGuid))
 231         return "DSDEVID_DefaultVoiceCapture";
 232     return debugstr_guid(pGuid);
 233 }
 234
 235 /***************************************************************************
 236  * GetDeviceID  [DSOUND.9]
 237  *
 238  * Retrieves unique identifier of default device specified
 239  *
 240  * PARAMS
 241  *    pGuidSrc  [I] Address of device GUID.
 242  *    pGuidDest [O] Address to receive unique device GUID.
 243  *
 244  * RETURNS
 245  *    Success: DS_OK
 246  *    Failure: DSERR_INVALIDPARAM
 247  *
 248  * NOTES
 249  *    pGuidSrc is a valid device GUID or DSDEVID_DefaultPlayback,
 250  *    DSDEVID_DefaultCapture, DSDEVID_DefaultVoicePlayback, or
 251  *    DSDEVID_DefaultVoiceCapture.
 252  *    Returns pGuidSrc if pGuidSrc is a valid device or the device
 253  *    GUID for the specified constants.
 254  */
 255 HRESULT WINAPI GetDeviceID(LPCGUID pGuidSrc, LPGUID pGuidDest)
 256 {
 257     TRACE("(%s,%p)\n", get_device_id(pGuidSrc),pGuidDest);
 258
 259     if ( pGuidSrc == NULL) {
 260         WARN("invalid parameter: pGuidSrc == NULL\n");
 261         return DSERR_INVALIDPARAM;
 262     }
 263
 264     if ( pGuidDest == NULL ) {
 265         WARN("invalid parameter: pGuidDest == NULL\n");
 266         return DSERR_INVALIDPARAM;
 267     }
 268
 269     if ( IsEqualGUID( &DSDEVID_DefaultPlayback, pGuidSrc ) ||
 270          IsEqualGUID( &DSDEVID_DefaultVoicePlayback, pGuidSrc ) ) {
 271         CopyMemory(pGuidDest, &DSOUND_renderer_guids[ds_default_playback], sizeof(GUID));
 272         TRACE("returns %s\n", get_device_id(pGuidDest));
 273         return DS_OK;
 274     }
 275
 276     if ( IsEqualGUID( &DSDEVID_DefaultCapture, pGuidSrc ) ||
 277          IsEqualGUID( &DSDEVID_DefaultVoiceCapture, pGuidSrc ) ) {
 278         CopyMemory(pGuidDest, &DSOUND_capture_guids[ds_default_capture], sizeof(GUID));
 279         TRACE("returns %s\n", get_device_id(pGuidDest));
 280         return DS_OK;
 281     }
 282
 283     CopyMemory(pGuidDest, pGuidSrc, sizeof(GUID));
 284     TRACE("returns %s\n", get_device_id(pGuidDest));
 285
 286     return DS_OK;
 287 }
 288
 289
 290 /***************************************************************************
 291  * DirectSoundEnumerateA [DSOUND.2]
 292  *
 293  * Enumerate all DirectSound drivers installed in the system
 294  *
 295  * PARAMS
 296  *    lpDSEnumCallback  [I] Address of callback function.
 297  *    lpContext         [I] Address of user defined context passed to callback function.
 298  *
 299  * RETURNS
 300  *    Success: DS_OK
 301  *    Failure: DSERR_INVALIDPARAM
 302  */
 303 HRESULT WINAPI DirectSoundEnumerateA(
 304     LPDSENUMCALLBACKA lpDSEnumCallback,
 305     LPVOID lpContext)
 306 {
 307     unsigned devs, wod;
 308     DSDRIVERDESC desc;
 309     GUID guid;
 310     int err;
 311
 312     TRACE("lpDSEnumCallback = %p, lpContext = %p\n",
 313         lpDSEnumCallback, lpContext);
 314
 315     if (lpDSEnumCallback == NULL) {
 316         WARN("invalid parameter: lpDSEnumCallback == NULL\n");
 317         return DSERR_INVALIDPARAM;
 318     }
 319
 320     devs = waveOutGetNumDevs();
 321     if (devs > 0) {
 322         if (GetDeviceID(&DSDEVID_DefaultPlayback, &guid) == DS_OK) {
 323             for (wod = 0; wod < devs; ++wod) {
 324                 if (IsEqualGUID( &guid, &DSOUND_renderer_guids[wod]) ) {
 325                     err = mmErr(waveOutMessage((HWAVEOUT)wod,DRV_QUERYDSOUNDDESC,(DWORD)&desc,0));
 326                     if (err == DS_OK) {
 327                         TRACE("calling lpDSEnumCallback(NULL,\"%s\",\"%s\",%p)\n",
 328                               "Primary Sound Driver",desc.szDrvname,lpContext);
 329                         if (lpDSEnumCallback(NULL, "Primary Sound Driver", desc.szDrvname, lpContext) == FALSE)
 330                             return DS_OK;
 331                     }
 332                 }
 333             }
 334         }
 335     }
 336
 337     for (wod = 0; wod < devs; ++wod) {
 338         err = mmErr(waveOutMessage((HWAVEOUT)wod,DRV_QUERYDSOUNDDESC,(DWORD)&desc,0));
 339         if (err == DS_OK) {
 340             TRACE("calling lpDSEnumCallback(%s,\"%s\",\"%s\",%p)\n",
 341                   debugstr_guid(&DSOUND_renderer_guids[wod]),desc.szDesc,desc.szDrvname,lpContext);
 342             if (lpDSEnumCallback(&DSOUND_renderer_guids[wod], desc.szDesc, desc.szDrvname, lpContext) == FALSE)
 343                 return DS_OK;
 344         }
 345     }
 346     return DS_OK;
 347 }
 348
 349 /***************************************************************************
 350  * DirectSoundEnumerateW [DSOUND.3]
 351  *
 352  * Enumerate all DirectSound drivers installed in the system
 353  *
 354  * PARAMS
 355  *    lpDSEnumCallback  [I] Address of callback function.
 356  *    lpContext         [I] Address of user defined context passed to callback function.
 357  *
 358  * RETURNS
 359  *    Success: DS_OK
 360  *    Failure: DSERR_INVALIDPARAM
 361  */
 362 HRESULT WINAPI DirectSoundEnumerateW(
 363         LPDSENUMCALLBACKW lpDSEnumCallback,
 364         LPVOID lpContext )
 365 {
 366     unsigned devs, wod;
 367     DSDRIVERDESC desc;
 368     GUID guid;
 369     int err;
 370     WCHAR wDesc[MAXPNAMELEN];
 371     WCHAR wName[MAXPNAMELEN];
 372
 373     TRACE("lpDSEnumCallback = %p, lpContext = %p\n",
 374         lpDSEnumCallback, lpContext);
 375
 376     if (lpDSEnumCallback == NULL) {
 377         WARN("invalid parameter: lpDSEnumCallback == NULL\n");
 378         return DSERR_INVALIDPARAM;
 379     }
 380
 381     devs = waveOutGetNumDevs();
 382     if (devs > 0) {
 383         if (GetDeviceID(&DSDEVID_DefaultPlayback, &guid) == DS_OK) {
 384             for (wod = 0; wod < devs; ++wod) {
 385                 if (IsEqualGUID( &guid, &DSOUND_renderer_guids[wod] ) ) {
 386                     err = mmErr(waveOutMessage((HWAVEOUT)wod,DRV_QUERYDSOUNDDESC,(DWORD)&desc,0));
 387                     if (err == DS_OK) {
 388                         TRACE("calling lpDSEnumCallback(NULL,\"%s\",\"%s\",%p)\n",
 389                               "Primary Sound Driver",desc.szDrvname,lpContext);
 390                         MultiByteToWideChar( CP_ACP, 0, "Primary Sound Driver", -1,
 391                                              wDesc, sizeof(wDesc)/sizeof(WCHAR) );
 392                         MultiByteToWideChar( CP_ACP, 0, desc.szDrvname, -1,
 393                                              wName, sizeof(wName)/sizeof(WCHAR) );
 394                         if (lpDSEnumCallback(NULL, wDesc, wName, lpContext) == FALSE)
 395                             return DS_OK;
 396                     }
 397                 }
 398             }
 399         }
 400     }
 401
 402     for (wod = 0; wod < devs; ++wod) {
 403         err = mmErr(waveOutMessage((HWAVEOUT)wod,DRV_QUERYDSOUNDDESC,(DWORD)&desc,0));
 404         if (err == DS_OK) {
 405             TRACE("calling lpDSEnumCallback(%s,\"%s\",\"%s\",%p)\n",
 406                   debugstr_guid(&DSOUND_renderer_guids[wod]),desc.szDesc,desc.szDrvname,lpContext);
 407             MultiByteToWideChar( CP_ACP, 0, desc.szDesc, -1,
 408                                  wDesc, sizeof(wDesc)/sizeof(WCHAR) );
 409             MultiByteToWideChar( CP_ACP, 0, desc.szDrvname, -1,
 410                                  wName, sizeof(wName)/sizeof(WCHAR) );
 411             if (lpDSEnumCallback(&DSOUND_renderer_guids[wod], wDesc, wName, lpContext) == FALSE)
 412                 return DS_OK;
 413         }
 414     }
 415     return DS_OK;
 416 }
 417
 418 /*******************************************************************************
 419  * DirectSound ClassFactory
 420  */
 421
 422 static HRESULT WINAPI
 423 DSCF_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj) {
 424         IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 425
 426         FIXME("(%p)->(%s,%p),stub!\n",This,debugstr_guid(riid),ppobj);
 427         return E_NOINTERFACE;
 428 }
 429
 430 static ULONG WINAPI DSCF_AddRef(LPCLASSFACTORY iface)
 431 {
 432     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 433     ULONG ref = InterlockedIncrement(&(This->ref));
 434     TRACE("(%p) ref was %ld\n", This, ref - 1);
 435     return ref;
 436 }
 437
 438 static ULONG WINAPI DSCF_Release(LPCLASSFACTORY iface)
 439 {
 440     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 441     ULONG ref = InterlockedDecrement(&(This->ref));
 442     TRACE("(%p) ref was %ld\n", This, ref + 1);
 443     /* static class, won't be freed */
 444     return ref;
 445 }
 446
 447 static HRESULT WINAPI DSCF_CreateInstance(
 448         LPCLASSFACTORY iface,LPUNKNOWN pOuter,REFIID riid,LPVOID *ppobj
 449 ) {
 450         IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 451         TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
 452
 453         if (pOuter)
 454                 return CLASS_E_NOAGGREGATION;
 455
 456         if (ppobj == NULL) {
 457                 WARN("invalid parameter\n");
 458                 return DSERR_INVALIDPARAM;
 459         }
 460
 461         *ppobj = NULL;
 462
 463         if ( IsEqualIID( &IID_IDirectSound, riid ) )
 464                 return DSOUND_Create((LPDIRECTSOUND*)ppobj,pOuter);
 465
 466         if ( IsEqualIID( &IID_IDirectSound8, riid ) )
 467                 return DSOUND_Create8((LPDIRECTSOUND8*)ppobj,pOuter);
 468
 469         WARN("(%p,%p,%s,%p) Interface not found!\n",This,pOuter,debugstr_guid(riid),ppobj);
 470         return E_NOINTERFACE;
 471 }
 472
 473 static HRESULT WINAPI DSCF_LockServer(LPCLASSFACTORY iface,BOOL dolock) {
 474         IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 475         FIXME("(%p)->(%d),stub!\n",This,dolock);
 476         return S_OK;
 477 }
 478
 479 static const IClassFactoryVtbl DSCF_Vtbl = {
 480         DSCF_QueryInterface,
 481         DSCF_AddRef,
 482         DSCF_Release,
 483         DSCF_CreateInstance,
 484         DSCF_LockServer
 485 };
 486
 487 static IClassFactoryImpl DSOUND_CF = { &DSCF_Vtbl, 1 };
 488
 489 /*******************************************************************************
 490  * DirectSoundPrivate ClassFactory
 491  */
 492
 493 static HRESULT WINAPI
 494 DSPCF_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj) {
 495         IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 496
 497         FIXME("(%p)->(%s,%p),stub!\n",This,debugstr_guid(riid),ppobj);
 498         return E_NOINTERFACE;
 499 }
 500
 501 static ULONG WINAPI DSPCF_AddRef(LPCLASSFACTORY iface)
 502 {
 503     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 504     ULONG ref = InterlockedIncrement(&(This->ref));
 505     TRACE("(%p) ref was %ld\n", This, ref - 1);
 506     return ref;
 507 }
 508
 509 static ULONG WINAPI DSPCF_Release(LPCLASSFACTORY iface)
 510 {
 511     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 512     ULONG ref = InterlockedDecrement(&(This->ref));
 513     TRACE("(%p) ref was %ld\n", This, ref + 1);
 514     /* static class, won't be freed */
 515     return ref;
 516 }
 517
 518 static HRESULT WINAPI
 519 DSPCF_CreateInstance(
 520         LPCLASSFACTORY iface,LPUNKNOWN pOuter,REFIID riid,LPVOID *ppobj
 521 ) {
 522         IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 523         TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
 524
 525         if (ppobj == NULL) {
 526                 WARN("invalid parameter\n");
 527                 return DSERR_INVALIDPARAM;
 528         }
 529
 530         *ppobj = NULL;
 531
 532         if ( IsEqualGUID( &IID_IKsPropertySet, riid ) ) {
 533                 return IKsPrivatePropertySetImpl_Create((IKsPrivatePropertySetImpl**)ppobj);
 534         }
 535
 536         WARN("(%p,%p,%s,%p) Interface not found!\n",This,pOuter,debugstr_guid(riid),ppobj);
 537         return E_NOINTERFACE;
 538 }
 539
 540 static HRESULT WINAPI
 541 DSPCF_LockServer(LPCLASSFACTORY iface,BOOL dolock) {
 542         IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 543         FIXME("(%p)->(%d),stub!\n",This,dolock);
 544         return S_OK;
 545 }
 546
 547 static const IClassFactoryVtbl DSPCF_Vtbl = {
 548         DSPCF_QueryInterface,
 549         DSPCF_AddRef,
 550         DSPCF_Release,
 551         DSPCF_CreateInstance,
 552         DSPCF_LockServer
 553 };
 554
 555 static IClassFactoryImpl DSOUND_PRIVATE_CF = { &DSPCF_Vtbl, 1 };
 556
 557 /*******************************************************************************
 558  * DllGetClassObject [DSOUND.5]
 559  * Retrieves class object from a DLL object
 560  *
 561  * NOTES
 562  *    Docs say returns STDAPI
 563  *
 564  * PARAMS
 565  *    rclsid [I] CLSID for the class object
 566  *    riid   [I] Reference to identifier of interface for class object
 567  *    ppv    [O] Address of variable to receive interface pointer for riid
 568  *
 569  * RETURNS
 570  *    Success: S_OK
 571  *    Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
 572  *             E_UNEXPECTED
 573  */
 574 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 575 {
 576     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 577
 578     if (ppv == NULL) {
 579         WARN("invalid parameter\n");
 580         return E_INVALIDARG;
 581     }
 582
 583     *ppv = NULL;
 584
 585     if ( IsEqualCLSID( &CLSID_DirectSound, rclsid ) ||
 586          IsEqualCLSID( &CLSID_DirectSound8, rclsid ) ) {
 587         if ( IsEqualCLSID( &IID_IClassFactory, riid ) ) {
 588             *ppv = (LPVOID)&DSOUND_CF;
 589             IClassFactory_AddRef((IClassFactory*)*ppv);
 590             return S_OK;
 591         }
 592         WARN("(%s,%s,%p): no interface found.\n",
 593             debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 594         return S_FALSE;
 595     }
 596
 597     if ( IsEqualCLSID( &CLSID_DirectSoundCapture, rclsid ) ||
 598          IsEqualCLSID( &CLSID_DirectSoundCapture8, rclsid ) ) {
 599         if ( IsEqualCLSID( &IID_IClassFactory, riid ) ) {
 600             *ppv = (LPVOID)&DSOUND_CAPTURE_CF;
 601             IClassFactory_AddRef((IClassFactory*)*ppv);
 602             return S_OK;
 603         }
 604         WARN("(%s,%s,%p): no interface found.\n",
 605             debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 606         return S_FALSE;
 607     }
 608
 609     if ( IsEqualCLSID( &CLSID_DirectSoundFullDuplex, rclsid ) ) {
 610         if ( IsEqualCLSID( &IID_IClassFactory, riid ) ) {
 611             *ppv = (LPVOID)&DSOUND_FULLDUPLEX_CF;
 612             IClassFactory_AddRef((IClassFactory*)*ppv);
 613             return S_OK;
 614         }
 615         WARN("(%s,%s,%p): no interface found.\n",
 616             debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 617         return S_FALSE;
 618     }
 619
 620     if ( IsEqualCLSID( &CLSID_DirectSoundPrivate, rclsid ) ) {
 621         if ( IsEqualCLSID( &IID_IClassFactory, riid ) ) {
 622             *ppv = (LPVOID)&DSOUND_PRIVATE_CF;
 623             IClassFactory_AddRef((IClassFactory*)*ppv);
 624             return S_OK;
 625         }
 626         WARN("(%s,%s,%p): no interface found.\n",
 627             debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 628         return S_FALSE;
 629     }
 630
 631     WARN("(%s,%s,%p): no class found.\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 632     return CLASS_E_CLASSNOTAVAILABLE;
 633 }
 634
 635
 636 /*******************************************************************************
 637  * DllCanUnloadNow [DSOUND.4]
 638  * Determines whether the DLL is in use.
 639  *
 640  * RETURNS
 641  *    Success: S_OK
 642  *    Failure: S_FALSE
 643  */
 644 HRESULT WINAPI DllCanUnloadNow(void)
 645 {
 646     FIXME("(void): stub\n");
 647     return S_FALSE;
 648 }
 649
 650 #define INIT_GUID(guid, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8)      \
 651         guid.Data1 = l; guid.Data2 = w1; guid.Data3 = w2;               \
 652         guid.Data4[0] = b1; guid.Data4[1] = b2; guid.Data4[2] = b3;     \
 653         guid.Data4[3] = b4; guid.Data4[4] = b5; guid.Data4[5] = b6;     \
 654         guid.Data4[6] = b7; guid.Data4[7] = b8;
 655
 656 /***********************************************************************
 657  *           DllMain (DSOUND.init)
 658  */
 659 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpvReserved)
 660 {
 661     int i;
 662     TRACE("(%p 0x%lx %p)\n", hInstDLL, fdwReason, lpvReserved);
 663
 664     switch (fdwReason) {
 665     case DLL_PROCESS_ATTACH:
 666         TRACE("DLL_PROCESS_ATTACH\n");
 667         for (i = 0; i < MAXWAVEDRIVERS; i++) {
 668             DSOUND_renderer[i] = NULL;
 669             DSOUND_capture[i] = NULL;
 670             INIT_GUID(DSOUND_renderer_guids[i], 0xbd6dd71a, 0x3deb, 0x11d1, 0xb1, 0x71, 0x00, 0xc0, 0x4f, 0xc2, 0x00, 0x00 + i);
 671             INIT_GUID(DSOUND_capture_guids[i],  0xbd6dd71b, 0x3deb, 0x11d1, 0xb1, 0x71, 0x00, 0xc0, 0x4f, 0xc2, 0x00, 0x00 + i);
 672         }
 673         break;
 674     case DLL_PROCESS_DETACH:
 675         TRACE("DLL_PROCESS_DETACH\n");
 676         break;
 677     case DLL_THREAD_ATTACH:
 678         TRACE("DLL_THREAD_ATTACH\n");
 679         break;
 680     case DLL_THREAD_DETACH:
 681         TRACE("DLL_THREAD_DETACH\n");
 682         break;
 683     default:
 684         TRACE("UNKNOWN REASON\n");
 685         break;
 686     }
 687     return TRUE;
 688 }