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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 "config.h"
  40 #include "wine/port.h"
  41
  42 #include <assert.h>
  43 #include <stdarg.h>
  44 #include <stdio.h>
  45 #include <sys/types.h>
  46 #include <sys/fcntl.h>
  47 #ifdef HAVE_UNISTD_H
  48 # include <unistd.h>
  49 #endif
  50 #include <stdlib.h>
  51 #include <string.h>
  52 #include <math.h>
  53
  54 #define NONAMELESSSTRUCT
  55 #define NONAMELESSUNION
  56 #include "windef.h"
  57 #include "winbase.h"
  58 #include "winreg.h"
  59 #include "winuser.h"
  60 #include "wingdi.h"
  61 #include "winuser.h"
  62 #include "winerror.h"
  63 #include "mmsystem.h"
  64 #include "winternl.h"
  65 #include "mmddk.h"
  66 #include "wine/windef16.h"
  67 #include "wine/winbase16.h"
  68 #include "wine/debug.h"
  69 #include "dsound.h"
  70 #include "dsdriver.h"
  71 #include "dsound_private.h"
  72 #include "dsconf.h"
  73
  74 WINE_DEFAULT_DEBUG_CHANNEL(dsound);
  75
  76 /* these are eligible for tuning... they must be high on slow machines... */
  77 /* some stuff may get more responsive with lower values though... */
  78 #define DS_EMULDRIVER 0 /* some games (Quake 2, UT) refuse to accept
  79                                 emulated dsound devices. set to 0 ! */
  80 #define DS_HEL_MARGIN 5 /* HEL only: number of waveOut fragments ahead to mix in new buffers
  81                          * (keep this close or equal to DS_HEL_QUEUE for best results) */
  82 #define DS_HEL_QUEUE  5 /* HEL only: number of waveOut fragments ahead to queue to driver
  83                          * (this will affect HEL sound reliability and latency) */
  84
  85 #define DS_SND_QUEUE_MAX 28 /* max number of fragments to prebuffer */
  86 #define DS_SND_QUEUE_MIN 12 /* min number of fragments to prebuffer */
  87
  88 IDirectSoundImpl*       dsound = NULL;
  89 static GUID             device_guids[MAXWAVEDRIVERS];
  90
  91 HRESULT mmErr(UINT err)
  92 {
  93         switch(err) {
  94         case MMSYSERR_NOERROR:
  95                 return DS_OK;
  96         case MMSYSERR_ALLOCATED:
  97                 return DSERR_ALLOCATED;
  98         case MMSYSERR_ERROR:
  99         case MMSYSERR_INVALHANDLE:
 100         case WAVERR_STILLPLAYING:
 101                 return DSERR_GENERIC; /* FIXME */
 102         case MMSYSERR_NODRIVER:
 103                 return DSERR_NODRIVER;
 104         case MMSYSERR_NOMEM:
 105                 return DSERR_OUTOFMEMORY;
 106         case MMSYSERR_INVALPARAM:
 107         case WAVERR_BADFORMAT:
 108         case WAVERR_UNPREPARED:
 109                 return DSERR_INVALIDPARAM;
 110         case MMSYSERR_NOTSUPPORTED:
 111                 return DSERR_UNSUPPORTED;
 112         default:
 113                 FIXME("Unknown MMSYS error %d\n",err);
 114                 return DSERR_GENERIC;
 115         }
 116 }
 117
 118 int ds_emuldriver = DS_EMULDRIVER;
 119 int ds_hel_margin = DS_HEL_MARGIN;
 120 int ds_hel_queue = DS_HEL_QUEUE;
 121 int ds_snd_queue_max = DS_SND_QUEUE_MAX;
 122 int ds_snd_queue_min = DS_SND_QUEUE_MIN;
 123 int ds_hw_accel = DS_HW_ACCEL_FULL;
 124 int ds_default_playback = 0;
 125 int ds_default_capture = 0;
 126
 127 /*
 128  * Get a config key from either the app-specific or the default config
 129  */
 130
 131 inline static DWORD get_config_key( HKEY defkey, HKEY appkey, const char *name,
 132                                     char *buffer, DWORD size )
 133 {
 134     if (appkey && !RegQueryValueExA( appkey, name, 0, NULL, buffer, &size )) return 0;
 135     return RegQueryValueExA( defkey, name, 0, NULL, buffer, &size );
 136 }
 137
 138
 139 /*
 140  * Setup the dsound options.
 141  */
 142
 143 void setup_dsound_options(void)
 144 {
 145     char buffer[MAX_PATH+1];
 146     HKEY hkey, appkey = 0;
 147     DWORD len;
 148
 149     buffer[MAX_PATH]='\0';
 150
 151     if (RegCreateKeyExA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\dsound", 0, NULL,
 152                          REG_OPTION_VOLATILE, KEY_ALL_ACCESS, NULL, &hkey, NULL ))
 153     {
 154         ERR("Cannot create config registry key\n" );
 155         ExitProcess(1);
 156     }
 157
 158     len = GetModuleFileNameA( 0, buffer, MAX_PATH );
 159     if (len && len < MAX_PATH)
 160     {
 161         HKEY tmpkey;
 162
 163         if (!RegOpenKeyA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\AppDefaults", &tmpkey ))
 164         {
 165            char appname[MAX_PATH+16];
 166            char *p = strrchr( buffer, '\\' );
 167            if (p!=NULL) {
 168                    appname[MAX_PATH]='\0';
 169                    strncpy(appname,p+1,MAX_PATH);
 170                    strcat(appname,"\\dsound");
 171                    TRACE("appname = [%s] \n",appname);
 172                    if (RegOpenKeyA( tmpkey, appname, &appkey )) appkey = 0;
 173                        RegCloseKey( tmpkey );
 174            }
 175         }
 176     }
 177
 178     /* get options */
 179
 180     if (!get_config_key( hkey, appkey, "EmulDriver", buffer, MAX_PATH ))
 181         ds_emuldriver = strcmp(buffer, "N");
 182
 183     if (!get_config_key( hkey, appkey, "HELmargin", buffer, MAX_PATH ))
 184         ds_hel_margin = atoi(buffer);
 185
 186     if (!get_config_key( hkey, appkey, "HELqueue", buffer, MAX_PATH ))
 187         ds_hel_queue = atoi(buffer);
 188
 189     if (!get_config_key( hkey, appkey, "SndQueueMax", buffer, MAX_PATH ))
 190         ds_snd_queue_max = atoi(buffer);
 191
 192     if (!get_config_key( hkey, appkey, "SndQueueMin", buffer, MAX_PATH ))
 193         ds_snd_queue_min = atoi(buffer);
 194
 195     if (!get_config_key( hkey, appkey, "HardwareAcceleration", buffer, MAX_PATH )) {
 196         if (strcmp(buffer, "Full") == 0)
 197             ds_hw_accel = DS_HW_ACCEL_FULL;
 198         else if (strcmp(buffer, "Standard") == 0)
 199             ds_hw_accel = DS_HW_ACCEL_STANDARD;
 200         else if (strcmp(buffer, "Basic") == 0)
 201             ds_hw_accel = DS_HW_ACCEL_BASIC;
 202         else if (strcmp(buffer, "Emulation") == 0)
 203             ds_hw_accel = DS_HW_ACCEL_EMULATION;
 204     }
 205
 206     if (!get_config_key( hkey, appkey, "DefaultPlayback", buffer, MAX_PATH ))
 207             ds_default_playback = atoi(buffer);
 208
 209     if (!get_config_key( hkey, appkey, "DefaultCapture", buffer, MAX_PATH ))
 210             ds_default_capture = atoi(buffer);
 211
 212     if (appkey) RegCloseKey( appkey );
 213     RegCloseKey( hkey );
 214
 215     if (ds_emuldriver != DS_EMULDRIVER )
 216        WARN("ds_emuldriver = %d (default=%d)\n",ds_emuldriver, DS_EMULDRIVER);
 217     if (ds_hel_margin != DS_HEL_MARGIN )
 218        WARN("ds_hel_margin = %d (default=%d)\n",ds_hel_margin, DS_HEL_MARGIN );
 219     if (ds_hel_queue != DS_HEL_QUEUE )
 220        WARN("ds_hel_queue = %d (default=%d)\n",ds_hel_queue, DS_HEL_QUEUE );
 221     if (ds_snd_queue_max != DS_SND_QUEUE_MAX)
 222        WARN("ds_snd_queue_max = %d (default=%d)\n",ds_snd_queue_max ,DS_SND_QUEUE_MAX);
 223     if (ds_snd_queue_min != DS_SND_QUEUE_MIN)
 224        WARN("ds_snd_queue_min = %d (default=%d)\n",ds_snd_queue_min ,DS_SND_QUEUE_MIN);
 225     if (ds_hw_accel != DS_HW_ACCEL_FULL)
 226         WARN("ds_hw_accel = %s (default=Full)\n",
 227             ds_hw_accel==DS_HW_ACCEL_FULL ? "Full" :
 228             ds_hw_accel==DS_HW_ACCEL_STANDARD ? "Standard" :
 229             ds_hw_accel==DS_HW_ACCEL_BASIC ? "Basic" :
 230             ds_hw_accel==DS_HW_ACCEL_EMULATION ? "Emulation" :
 231             "Unknown");
 232     if (ds_default_playback != 0)
 233         WARN("ds_default_playback = %d (default=0)\n",ds_default_playback);
 234     if (ds_default_capture != 0)
 235         WARN("ds_default_capture = %d (default=0)\n",ds_default_playback);
 236 }
 237
 238 const char * get_device_id(LPCGUID pGuid)
 239 {
 240     if (IsEqualGUID(&DSDEVID_DefaultPlayback, pGuid))
 241         return "DSDEVID_DefaultPlayback";
 242     else if (IsEqualGUID(&DSDEVID_DefaultVoicePlayback, pGuid))
 243         return "DSDEVID_DefaultVoicePlayback";
 244     else if (IsEqualGUID(&DSDEVID_DefaultCapture, pGuid))
 245         return "DSDEVID_DefaultCapture";
 246     else if (IsEqualGUID(&DSDEVID_DefaultVoiceCapture, pGuid))
 247         return "DSDEVID_DefaultVoiceCapture";
 248     return debugstr_guid(pGuid);
 249 }
 250
 251 /***************************************************************************
 252  * GetDeviceID  [DSOUND.9]
 253  *
 254  * Retrieves unique identifier of default device specified
 255  *
 256  * PARAMS
 257  *    pGuidSrc  [I] Address of device GUID.
 258  *    pGuidDest [O] Address to receive unique device GUID.
 259  *
 260  * RETURNS
 261  *    Success: DS_OK
 262  *    Failure: DSERR_INVALIDPARAM
 263  *
 264  * NOTES
 265  *    pGuidSrc is a valid device GUID or DSDEVID_DefaultPlayback,
 266  *    DSDEVID_DefaultCapture, DSDEVID_DefaultVoicePlayback, or
 267  *    DSDEVID_DefaultVoiceCapture.
 268  *    Returns pGuidSrc if pGuidSrc is a valid device or the device
 269  *    GUID for the specified constants.
 270  */
 271 HRESULT WINAPI GetDeviceID(LPCGUID pGuidSrc, LPGUID pGuidDest)
 272 {
 273     TRACE("(%s,%p)\n", get_device_id(pGuidSrc),pGuidDest);
 274
 275     if ( pGuidSrc == NULL) {
 276         WARN("invalid parameter: pGuidSrc == NULL\n");
 277         return DSERR_INVALIDPARAM;
 278     }
 279
 280     if ( pGuidDest == NULL ) {
 281         WARN("invalid parameter: pGuidDest == NULL\n");
 282         return DSERR_INVALIDPARAM;
 283     }
 284
 285     if ( IsEqualGUID( &DSDEVID_DefaultPlayback, pGuidSrc ) ||
 286         IsEqualGUID( &DSDEVID_DefaultVoicePlayback, pGuidSrc ) ) {
 287         GUID guid;
 288         int err = mmErr(waveOutMessage((HWAVEOUT)ds_default_playback,DRV_QUERYDSOUNDGUID,(DWORD)&guid,0));
 289         if (err == DS_OK) {
 290             memcpy(pGuidDest, &guid, sizeof(GUID));
 291             TRACE("returns %s\n", get_device_id(pGuidDest));
 292             return DS_OK;
 293         }
 294     }
 295
 296     if ( IsEqualGUID( &DSDEVID_DefaultCapture, pGuidSrc ) ||
 297         IsEqualGUID( &DSDEVID_DefaultVoiceCapture, pGuidSrc ) ) {
 298         GUID guid;
 299         int err = mmErr(waveInMessage((HWAVEIN)ds_default_capture,DRV_QUERYDSOUNDGUID,(DWORD)&guid,0));
 300         if (err == DS_OK) {
 301             memcpy(pGuidDest, &guid, sizeof(GUID));
 302             TRACE("returns %s\n", get_device_id(pGuidDest));
 303             return DS_OK;
 304         }
 305     }
 306
 307     memcpy(pGuidDest, pGuidSrc, sizeof(GUID));
 308     TRACE("returns %s\n", get_device_id(pGuidDest));
 309
 310     return DS_OK;
 311 }
 312
 313
 314 /***************************************************************************
 315  * DirectSoundEnumerateA [DSOUND.2]
 316  *
 317  * Enumerate all DirectSound drivers installed in the system
 318  *
 319  * PARAMS
 320  *    lpDSEnumCallback  [I] Address of callback function.
 321  *    lpContext         [I] Address of user defined context passed to callback function.
 322  *
 323  * RETURNS
 324  *    Success: DS_OK
 325  *    Failure: DSERR_INVALIDPARAM
 326  */
 327 HRESULT WINAPI DirectSoundEnumerateA(
 328     LPDSENUMCALLBACKA lpDSEnumCallback,
 329     LPVOID lpContext)
 330 {
 331     unsigned devs, wod;
 332     DSDRIVERDESC desc;
 333     GUID guid;
 334     int err;
 335
 336     TRACE("lpDSEnumCallback = %p, lpContext = %p\n",
 337         lpDSEnumCallback, lpContext);
 338
 339     if (lpDSEnumCallback == NULL) {
 340         WARN("invalid parameter: lpDSEnumCallback == NULL\n");
 341         return DSERR_INVALIDPARAM;
 342     }
 343
 344     devs = waveOutGetNumDevs();
 345     if (devs > 0) {
 346         if (GetDeviceID(&DSDEVID_DefaultPlayback, &guid) == DS_OK) {
 347             GUID temp;
 348             for (wod = 0; wod < devs; ++wod) {
 349                 err = mmErr(waveOutMessage((HWAVEOUT)wod,DRV_QUERYDSOUNDGUID,(DWORD)&temp,0));
 350                 if (err == DS_OK) {
 351                     if (IsEqualGUID( &guid, &temp ) ) {
 352                         err = mmErr(waveOutMessage((HWAVEOUT)wod,DRV_QUERYDSOUNDDESC,(DWORD)&desc,0));
 353                         if (err == DS_OK) {
 354                             TRACE("calling lpDSEnumCallback(NULL,\"%s\",\"%s\",%p)\n",
 355                                 "Primary Sound Driver",desc.szDrvName,lpContext);
 356                             if (lpDSEnumCallback(NULL, "Primary Sound Driver", desc.szDrvName, lpContext) == FALSE)
 357                                 return DS_OK;
 358                         }
 359                     }
 360                 }
 361             }
 362         }
 363     }
 364
 365     for (wod = 0; wod < devs; ++wod) {
 366         err = mmErr(waveOutMessage((HWAVEOUT)wod,DRV_QUERYDSOUNDDESC,(DWORD)&desc,0));
 367         if (err == DS_OK) {
 368             err = mmErr(waveOutMessage((HWAVEOUT)wod,DRV_QUERYDSOUNDGUID,(DWORD)&device_guids[wod],0));
 369             if (err == DS_OK) {
 370                 TRACE("calling lpDSEnumCallback(%s,\"%s\",\"%s\",%p)\n",
 371                     debugstr_guid(&device_guids[wod]),desc.szDesc,desc.szDrvName,lpContext);
 372                 if (lpDSEnumCallback(&device_guids[wod], desc.szDesc, desc.szDrvName, lpContext) == FALSE)
 373                     return DS_OK;
 374             }
 375         }
 376     }
 377     return DS_OK;
 378 }
 379
 380 /***************************************************************************
 381  * DirectSoundEnumerateW [DSOUND.3]
 382  *
 383  * Enumerate all DirectSound drivers installed in the system
 384  *
 385  * PARAMS
 386  *    lpDSEnumCallback  [I] Address of callback function.
 387  *    lpContext         [I] Address of user defined context passed to callback function.
 388  *
 389  * RETURNS
 390  *    Success: DS_OK
 391  *    Failure: DSERR_INVALIDPARAM
 392  */
 393 HRESULT WINAPI DirectSoundEnumerateW(
 394         LPDSENUMCALLBACKW lpDSEnumCallback,
 395         LPVOID lpContext )
 396 {
 397     unsigned devs, wod;
 398     DSDRIVERDESC desc;
 399     GUID guid;
 400     int err;
 401     WCHAR wDesc[MAXPNAMELEN];
 402     WCHAR wName[MAXPNAMELEN];
 403
 404     TRACE("lpDSEnumCallback = %p, lpContext = %p\n",
 405         lpDSEnumCallback, lpContext);
 406
 407     if (lpDSEnumCallback == NULL) {
 408         WARN("invalid parameter: lpDSEnumCallback == NULL\n");
 409         return DSERR_INVALIDPARAM;
 410     }
 411
 412     devs = waveOutGetNumDevs();
 413     if (devs > 0) {
 414         if (GetDeviceID(&DSDEVID_DefaultPlayback, &guid) == DS_OK) {
 415             GUID temp;
 416             for (wod = 0; wod < devs; ++wod) {
 417                 err = mmErr(waveOutMessage((HWAVEOUT)wod,DRV_QUERYDSOUNDGUID,(DWORD)&temp,0));
 418                 if (err == DS_OK) {
 419                     if (IsEqualGUID( &guid, &temp ) ) {
 420                         err = mmErr(waveOutMessage((HWAVEOUT)wod,DRV_QUERYDSOUNDDESC,(DWORD)&desc,0));
 421                         if (err == DS_OK) {
 422                             TRACE("calling lpDSEnumCallback(NULL,\"%s\",\"%s\",%p)\n",
 423                                 "Primary Sound Driver",desc.szDrvName,lpContext);
 424                             MultiByteToWideChar( CP_ACP, 0, "Primary Sound Driver", -1,
 425                                 wDesc, sizeof(wDesc)/sizeof(WCHAR) );
 426                                 MultiByteToWideChar( CP_ACP, 0, desc.szDrvName, -1,
 427                                 wName, sizeof(wName)/sizeof(WCHAR) );
 428                             if (lpDSEnumCallback(NULL, wDesc, wName, lpContext) == FALSE)
 429                                 return DS_OK;
 430                         }
 431                     }
 432                 }
 433             }
 434         }
 435     }
 436
 437     for (wod = 0; wod < devs; ++wod) {
 438         err = mmErr(waveOutMessage((HWAVEOUT)wod,DRV_QUERYDSOUNDDESC,(DWORD)&desc,0));
 439         if (err == DS_OK) {
 440             err = mmErr(waveOutMessage((HWAVEOUT)wod,DRV_QUERYDSOUNDGUID,(DWORD)&device_guids[wod],0));
 441             if (err == DS_OK) {
 442                 TRACE("calling lpDSEnumCallback(%s,\"%s\",\"%s\",%p)\n",
 443                     debugstr_guid(&device_guids[wod]),desc.szDesc,desc.szDrvName,lpContext);
 444                 MultiByteToWideChar( CP_ACP, 0, desc.szDesc, -1,
 445                     wDesc, sizeof(wDesc)/sizeof(WCHAR) );
 446                     MultiByteToWideChar( CP_ACP, 0, desc.szDrvName, -1,
 447                     wName, sizeof(wName)/sizeof(WCHAR) );
 448                 if (lpDSEnumCallback(&device_guids[wod], wDesc, wName, lpContext) == FALSE)
 449                     return DS_OK;
 450             }
 451         }
 452     }
 453     return DS_OK;
 454 }
 455
 456 /*******************************************************************************
 457  * DirectSound ClassFactory
 458  */
 459
 460 static HRESULT WINAPI
 461 DSCF_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj) {
 462         ICOM_THIS(IClassFactoryImpl,iface);
 463
 464         FIXME("(%p)->(%s,%p),stub!\n",This,debugstr_guid(riid),ppobj);
 465         return E_NOINTERFACE;
 466 }
 467
 468 static ULONG WINAPI
 469 DSCF_AddRef(LPCLASSFACTORY iface) {
 470         ICOM_THIS(IClassFactoryImpl,iface);
 471         TRACE("(%p) ref was %ld\n", This, This->ref);
 472         return ++(This->ref);
 473 }
 474
 475 static ULONG WINAPI DSCF_Release(LPCLASSFACTORY iface) {
 476         ICOM_THIS(IClassFactoryImpl,iface);
 477         /* static class, won't be  freed */
 478         TRACE("(%p) ref was %ld\n", This, This->ref);
 479         return --(This->ref);
 480 }
 481
 482 static HRESULT WINAPI DSCF_CreateInstance(
 483         LPCLASSFACTORY iface,LPUNKNOWN pOuter,REFIID riid,LPVOID *ppobj
 484 ) {
 485         ICOM_THIS(IClassFactoryImpl,iface);
 486         TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
 487
 488         if (ppobj == NULL) {
 489                 WARN("invalid parameter\n");
 490                 return DSERR_INVALIDPARAM;
 491         }
 492
 493         *ppobj = NULL;
 494
 495         if ( IsEqualIID( &IID_IDirectSound, riid ) )
 496                 return DSOUND_Create(0,(LPDIRECTSOUND*)ppobj,pOuter);
 497
 498         if ( IsEqualIID( &IID_IDirectSound8, riid ) )
 499                 return DSOUND_Create8(0,(LPDIRECTSOUND8*)ppobj,pOuter);
 500
 501         WARN("(%p,%p,%s,%p) Interface not found!\n",This,pOuter,debugstr_guid(riid),ppobj);
 502         return E_NOINTERFACE;
 503 }
 504
 505 static HRESULT WINAPI DSCF_LockServer(LPCLASSFACTORY iface,BOOL dolock) {
 506         ICOM_THIS(IClassFactoryImpl,iface);
 507         FIXME("(%p)->(%d),stub!\n",This,dolock);
 508         return S_OK;
 509 }
 510
 511 static ICOM_VTABLE(IClassFactory) DSCF_Vtbl = {
 512         ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 513         DSCF_QueryInterface,
 514         DSCF_AddRef,
 515         DSCF_Release,
 516         DSCF_CreateInstance,
 517         DSCF_LockServer
 518 };
 519
 520 static IClassFactoryImpl DSOUND_CF = { &DSCF_Vtbl, 1 };
 521
 522 /*******************************************************************************
 523  * DirectSoundPrivate ClassFactory
 524  */
 525
 526 static HRESULT WINAPI
 527 DSPCF_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj) {
 528         ICOM_THIS(IClassFactoryImpl,iface);
 529
 530         FIXME("(%p)->(%s,%p),stub!\n",This,debugstr_guid(riid),ppobj);
 531         return E_NOINTERFACE;
 532 }
 533
 534 static ULONG WINAPI
 535 DSPCF_AddRef(LPCLASSFACTORY iface) {
 536         ICOM_THIS(IClassFactoryImpl,iface);
 537         TRACE("(%p) ref was %ld\n", This, This->ref);
 538         return ++(This->ref);
 539 }
 540
 541 static ULONG WINAPI
 542 DSPCF_Release(LPCLASSFACTORY iface) {
 543         ICOM_THIS(IClassFactoryImpl,iface);
 544         /* static class, won't be  freed */
 545         TRACE("(%p) ref was %ld\n", This, This->ref);
 546         return --(This->ref);
 547 }
 548
 549 static HRESULT WINAPI
 550 DSPCF_CreateInstance(
 551         LPCLASSFACTORY iface,LPUNKNOWN pOuter,REFIID riid,LPVOID *ppobj
 552 ) {
 553         ICOM_THIS(IClassFactoryImpl,iface);
 554         TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
 555
 556         if (ppobj == NULL) {
 557                 WARN("invalid parameter\n");
 558                 return DSERR_INVALIDPARAM;
 559         }
 560
 561         *ppobj = NULL;
 562
 563         if ( IsEqualGUID( &IID_IKsPropertySet, riid ) ) {
 564                 return IKsPrivatePropertySetImpl_Create((IKsPrivatePropertySetImpl**)ppobj);
 565         }
 566
 567         WARN("(%p,%p,%s,%p) Interface not found!\n",This,pOuter,debugstr_guid(riid),ppobj);
 568         return E_NOINTERFACE;
 569 }
 570
 571 static HRESULT WINAPI
 572 DSPCF_LockServer(LPCLASSFACTORY iface,BOOL dolock) {
 573         ICOM_THIS(IClassFactoryImpl,iface);
 574         FIXME("(%p)->(%d),stub!\n",This,dolock);
 575         return S_OK;
 576 }
 577
 578 static ICOM_VTABLE(IClassFactory) DSPCF_Vtbl = {
 579         ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 580         DSPCF_QueryInterface,
 581         DSPCF_AddRef,
 582         DSPCF_Release,
 583         DSPCF_CreateInstance,
 584         DSPCF_LockServer
 585 };
 586
 587 static IClassFactoryImpl DSOUND_PRIVATE_CF = { &DSPCF_Vtbl, 1 };
 588
 589 /*******************************************************************************
 590  * DllGetClassObject [DSOUND.5]
 591  * Retrieves class object from a DLL object
 592  *
 593  * NOTES
 594  *    Docs say returns STDAPI
 595  *
 596  * PARAMS
 597  *    rclsid [I] CLSID for the class object
 598  *    riid   [I] Reference to identifier of interface for class object
 599  *    ppv    [O] Address of variable to receive interface pointer for riid
 600  *
 601  * RETURNS
 602  *    Success: S_OK
 603  *    Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
 604  *             E_UNEXPECTED
 605  */
 606 DWORD WINAPI DSOUND_DllGetClassObject(REFCLSID rclsid,REFIID riid,LPVOID *ppv)
 607 {
 608     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 609
 610     if (ppv == NULL) {
 611         WARN("invalid parameter\n");
 612         return E_INVALIDARG;
 613     }
 614
 615     *ppv = NULL;
 616
 617     if ( IsEqualCLSID( &CLSID_DirectSound, rclsid ) ||
 618          IsEqualCLSID( &CLSID_DirectSound8, rclsid ) ) {
 619         if ( IsEqualCLSID( &IID_IClassFactory, riid ) ) {
 620             *ppv = (LPVOID)&DSOUND_CF;
 621             IClassFactory_AddRef((IClassFactory*)*ppv);
 622             return S_OK;
 623         }
 624         WARN("(%s,%s,%p): no interface found.\n",
 625             debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 626         return S_FALSE;
 627     }
 628
 629     if ( IsEqualCLSID( &CLSID_DirectSoundCapture, rclsid ) ||
 630          IsEqualCLSID( &CLSID_DirectSoundCapture8, rclsid ) ) {
 631         if ( IsEqualCLSID( &IID_IClassFactory, riid ) ) {
 632             *ppv = (LPVOID)&DSOUND_CAPTURE_CF;
 633             IClassFactory_AddRef((IClassFactory*)*ppv);
 634             return S_OK;
 635         }
 636         WARN("(%s,%s,%p): no interface found.\n",
 637             debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 638         return S_FALSE;
 639     }
 640
 641     if ( IsEqualCLSID( &CLSID_DirectSoundFullDuplex, rclsid ) ) {
 642         if ( IsEqualCLSID( &IID_IClassFactory, riid ) ) {
 643             *ppv = (LPVOID)&DSOUND_FULLDUPLEX_CF;
 644             IClassFactory_AddRef((IClassFactory*)*ppv);
 645             return S_OK;
 646         }
 647         WARN("(%s,%s,%p): no interface found.\n",
 648             debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 649         return S_FALSE;
 650     }
 651
 652     if ( IsEqualCLSID( &CLSID_DirectSoundPrivate, rclsid ) ) {
 653         if ( IsEqualCLSID( &IID_IClassFactory, riid ) ) {
 654             *ppv = (LPVOID)&DSOUND_PRIVATE_CF;
 655             IClassFactory_AddRef((IClassFactory*)*ppv);
 656             return S_OK;
 657         }
 658         WARN("(%s,%s,%p): no interface found.\n",
 659             debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 660         return S_FALSE;
 661     }
 662
 663     WARN("(%s,%s,%p): no class found.\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 664     return CLASS_E_CLASSNOTAVAILABLE;
 665 }
 666
 667
 668 /*******************************************************************************
 669  * DllCanUnloadNow [DSOUND.4]
 670  * Determines whether the DLL is in use.
 671  *
 672  * RETURNS
 673  *    Success: S_OK
 674  *    Failure: S_FALSE
 675  */
 676 DWORD WINAPI DSOUND_DllCanUnloadNow(void)
 677 {
 678     FIXME("(void): stub\n");
 679     return S_FALSE;
 680 }