git.oblomov.eu Git - wine/blob - dlls/dsound/dsound_main.c

   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 = NULL;
  72 GUID                    renderer_guids[MAXWAVEDRIVERS];
  73 GUID                    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                    appname[MAX_PATH]='\0';
 153                    strncpy(appname,p+1,MAX_PATH);
 154                    strcat(appname,"\\dsound");
 155                    TRACE("appname = [%s] \n",appname);
 156                    if (RegOpenKeyA( tmpkey, appname, &appkey )) 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, &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, &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, &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(&renderer_guids[wod]),desc.szDesc,desc.szDrvname,lpContext);
 342             if (lpDSEnumCallback(&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, &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(&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(&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
 431 DSCF_AddRef(LPCLASSFACTORY iface) {
 432         IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 433         TRACE("(%p) ref was %ld\n", This, This->ref);
 434         return InterlockedIncrement(&(This->ref));
 435 }
 436
 437 static ULONG WINAPI DSCF_Release(LPCLASSFACTORY iface) {
 438         IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 439         /* static class, won't be  freed */
 440         TRACE("(%p) ref was %ld\n", This, This->ref);
 441         return InterlockedDecrement(&(This->ref));
 442 }
 443
 444 static HRESULT WINAPI DSCF_CreateInstance(
 445         LPCLASSFACTORY iface,LPUNKNOWN pOuter,REFIID riid,LPVOID *ppobj
 446 ) {
 447         IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 448         TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
 449
 450         if (pOuter)
 451                 return CLASS_E_NOAGGREGATION;
 452
 453         if (ppobj == NULL) {
 454                 WARN("invalid parameter\n");
 455                 return DSERR_INVALIDPARAM;
 456         }
 457
 458         *ppobj = NULL;
 459
 460         if ( IsEqualIID( &IID_IDirectSound, riid ) )
 461                 return DSOUND_Create(0,(LPDIRECTSOUND*)ppobj,pOuter);
 462
 463         if ( IsEqualIID( &IID_IDirectSound8, riid ) )
 464                 return DSOUND_Create8(0,(LPDIRECTSOUND8*)ppobj,pOuter);
 465
 466         WARN("(%p,%p,%s,%p) Interface not found!\n",This,pOuter,debugstr_guid(riid),ppobj);
 467         return E_NOINTERFACE;
 468 }
 469
 470 static HRESULT WINAPI DSCF_LockServer(LPCLASSFACTORY iface,BOOL dolock) {
 471         IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 472         FIXME("(%p)->(%d),stub!\n",This,dolock);
 473         return S_OK;
 474 }
 475
 476 static IClassFactoryVtbl DSCF_Vtbl = {
 477         DSCF_QueryInterface,
 478         DSCF_AddRef,
 479         DSCF_Release,
 480         DSCF_CreateInstance,
 481         DSCF_LockServer
 482 };
 483
 484 static IClassFactoryImpl DSOUND_CF = { &DSCF_Vtbl, 1 };
 485
 486 /*******************************************************************************
 487  * DirectSoundPrivate ClassFactory
 488  */
 489
 490 static HRESULT WINAPI
 491 DSPCF_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj) {
 492         IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 493
 494         FIXME("(%p)->(%s,%p),stub!\n",This,debugstr_guid(riid),ppobj);
 495         return E_NOINTERFACE;
 496 }
 497
 498 static ULONG WINAPI
 499 DSPCF_AddRef(LPCLASSFACTORY iface) {
 500         IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 501         TRACE("(%p) ref was %ld\n", This, This->ref);
 502         return InterlockedIncrement(&(This->ref));
 503 }
 504
 505 static ULONG WINAPI
 506 DSPCF_Release(LPCLASSFACTORY iface) {
 507         IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 508         /* static class, won't be  freed */
 509         TRACE("(%p) ref was %ld\n", This, This->ref);
 510         return InterlockedDecrement(&(This->ref));
 511 }
 512
 513 static HRESULT WINAPI
 514 DSPCF_CreateInstance(
 515         LPCLASSFACTORY iface,LPUNKNOWN pOuter,REFIID riid,LPVOID *ppobj
 516 ) {
 517         IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 518         TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
 519
 520         if (ppobj == NULL) {
 521                 WARN("invalid parameter\n");
 522                 return DSERR_INVALIDPARAM;
 523         }
 524
 525         *ppobj = NULL;
 526
 527         if ( IsEqualGUID( &IID_IKsPropertySet, riid ) ) {
 528                 return IKsPrivatePropertySetImpl_Create((IKsPrivatePropertySetImpl**)ppobj);
 529         }
 530
 531         WARN("(%p,%p,%s,%p) Interface not found!\n",This,pOuter,debugstr_guid(riid),ppobj);
 532         return E_NOINTERFACE;
 533 }
 534
 535 static HRESULT WINAPI
 536 DSPCF_LockServer(LPCLASSFACTORY iface,BOOL dolock) {
 537         IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 538         FIXME("(%p)->(%d),stub!\n",This,dolock);
 539         return S_OK;
 540 }
 541
 542 static IClassFactoryVtbl DSPCF_Vtbl = {
 543         DSPCF_QueryInterface,
 544         DSPCF_AddRef,
 545         DSPCF_Release,
 546         DSPCF_CreateInstance,
 547         DSPCF_LockServer
 548 };
 549
 550 static IClassFactoryImpl DSOUND_PRIVATE_CF = { &DSPCF_Vtbl, 1 };
 551
 552 /*******************************************************************************
 553  * DllGetClassObject [DSOUND.5]
 554  * Retrieves class object from a DLL object
 555  *
 556  * NOTES
 557  *    Docs say returns STDAPI
 558  *
 559  * PARAMS
 560  *    rclsid [I] CLSID for the class object
 561  *    riid   [I] Reference to identifier of interface for class object
 562  *    ppv    [O] Address of variable to receive interface pointer for riid
 563  *
 564  * RETURNS
 565  *    Success: S_OK
 566  *    Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
 567  *             E_UNEXPECTED
 568  */
 569 DWORD WINAPI DSOUND_DllGetClassObject(REFCLSID rclsid,REFIID riid,LPVOID *ppv)
 570 {
 571     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 572
 573     if (ppv == NULL) {
 574         WARN("invalid parameter\n");
 575         return E_INVALIDARG;
 576     }
 577
 578     *ppv = NULL;
 579
 580     if ( IsEqualCLSID( &CLSID_DirectSound, rclsid ) ||
 581          IsEqualCLSID( &CLSID_DirectSound8, rclsid ) ) {
 582         if ( IsEqualCLSID( &IID_IClassFactory, riid ) ) {
 583             *ppv = (LPVOID)&DSOUND_CF;
 584             IClassFactory_AddRef((IClassFactory*)*ppv);
 585             return S_OK;
 586         }
 587         WARN("(%s,%s,%p): no interface found.\n",
 588             debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 589         return S_FALSE;
 590     }
 591
 592     if ( IsEqualCLSID( &CLSID_DirectSoundCapture, rclsid ) ||
 593          IsEqualCLSID( &CLSID_DirectSoundCapture8, rclsid ) ) {
 594         if ( IsEqualCLSID( &IID_IClassFactory, riid ) ) {
 595             *ppv = (LPVOID)&DSOUND_CAPTURE_CF;
 596             IClassFactory_AddRef((IClassFactory*)*ppv);
 597             return S_OK;
 598         }
 599         WARN("(%s,%s,%p): no interface found.\n",
 600             debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 601         return S_FALSE;
 602     }
 603
 604     if ( IsEqualCLSID( &CLSID_DirectSoundFullDuplex, rclsid ) ) {
 605         if ( IsEqualCLSID( &IID_IClassFactory, riid ) ) {
 606             *ppv = (LPVOID)&DSOUND_FULLDUPLEX_CF;
 607             IClassFactory_AddRef((IClassFactory*)*ppv);
 608             return S_OK;
 609         }
 610         WARN("(%s,%s,%p): no interface found.\n",
 611             debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 612         return S_FALSE;
 613     }
 614
 615     if ( IsEqualCLSID( &CLSID_DirectSoundPrivate, rclsid ) ) {
 616         if ( IsEqualCLSID( &IID_IClassFactory, riid ) ) {
 617             *ppv = (LPVOID)&DSOUND_PRIVATE_CF;
 618             IClassFactory_AddRef((IClassFactory*)*ppv);
 619             return S_OK;
 620         }
 621         WARN("(%s,%s,%p): no interface found.\n",
 622             debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 623         return S_FALSE;
 624     }
 625
 626     WARN("(%s,%s,%p): no class found.\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 627     return CLASS_E_CLASSNOTAVAILABLE;
 628 }
 629
 630
 631 /*******************************************************************************
 632  * DllCanUnloadNow [DSOUND.4]
 633  * Determines whether the DLL is in use.
 634  *
 635  * RETURNS
 636  *    Success: S_OK
 637  *    Failure: S_FALSE
 638  */
 639 DWORD WINAPI DSOUND_DllCanUnloadNow(void)
 640 {
 641     FIXME("(void): stub\n");
 642     return S_FALSE;
 643 }
 644
 645 #define INIT_GUID(guid, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8)      \
 646         guid.Data1 = l; guid.Data2 = w1; guid.Data3 = w2;               \
 647         guid.Data4[0] = b1; guid.Data4[1] = b2; guid.Data4[2] = b3;     \
 648         guid.Data4[3] = b4; guid.Data4[4] = b5; guid.Data4[5] = b6;     \
 649         guid.Data4[6] = b7; guid.Data4[7] = b8;
 650
 651 /***********************************************************************
 652  *           DllMain (DSOUND.init)
 653  */
 654 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpvReserved)
 655 {
 656     int i;
 657     TRACE("(%p 0x%lx %p)\n", hInstDLL, fdwReason, lpvReserved);
 658
 659     switch (fdwReason) {
 660     case DLL_PROCESS_ATTACH:
 661         TRACE("DLL_PROCESS_ATTACH\n");
 662         for (i = 0; i < MAXWAVEDRIVERS; i++) {
 663             INIT_GUID(renderer_guids[i], 0xbd6dd71a, 0x3deb, 0x11d1, 0xb1, 0x71, 0x00, 0xc0, 0x4f, 0xc2, 0x00, 0x00 + i);
 664             INIT_GUID(capture_guids[i],  0xbd6dd71b, 0x3deb, 0x11d1, 0xb1, 0x71, 0x00, 0xc0, 0x4f, 0xc2, 0x00, 0x00 + i);
 665         }
 666         break;
 667     case DLL_PROCESS_DETACH:
 668         TRACE("DLL_PROCESS_DETACH\n");
 669         break;
 670     case DLL_THREAD_ATTACH:
 671         TRACE("DLL_THREAD_ATTACH\n");
 672         break;
 673     case DLL_THREAD_DETACH:
 674         TRACE("DLL_THREAD_DETACH\n");
 675         break;
 676     default:
 677         TRACE("UNKNOWN REASON\n");
 678         break;
 679     }
 680     return TRUE;
 681 }