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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 <stdio.h>
  44 #include <sys/types.h>
  45 #include <sys/fcntl.h>
  46 #include <unistd.h>
  47 #include <stdlib.h>
  48 #include <string.h>
  49 #include <math.h>       /* Insomnia - pow() function */
  50
  51 #include "windef.h"
  52 #include "winbase.h"
  53 #include "winreg.h"
  54 #include "winuser.h"
  55 #include "wingdi.h"
  56 #include "winuser.h"
  57 #include "winerror.h"
  58 #include "mmsystem.h"
  59 #include "ntddk.h"
  60 #include "mmddk.h"
  61 #include "wine/windef16.h"
  62 #include "wine/winbase16.h"
  63 #include "wine/debug.h"
  64 #include "dsound.h"
  65 #include "dsdriver.h"
  66 #include "dsound_private.h"
  67
  68 WINE_DEFAULT_DEBUG_CHANNEL(dsound);
  69
  70 /* these are eligible for tuning... they must be high on slow machines... */
  71 /* some stuff may get more responsive with lower values though... */
  72 #define DS_EMULDRIVER 0 /* some games (Quake 2, UT) refuse to accept
  73                                 emulated dsound devices. set to 0 ! */
  74 #define DS_HEL_MARGIN 5 /* HEL only: number of waveOut fragments ahead to mix in new buffers
  75                          * (keep this close or equal to DS_HEL_QUEUE for best results) */
  76 #define DS_HEL_QUEUE  5 /* HEL only: number of waveOut fragments ahead to queue to driver
  77                          * (this will affect HEL sound reliability and latency) */
  78
  79 #define DS_SND_QUEUE_MAX 28 /* max number of fragments to prebuffer */
  80 #define DS_SND_QUEUE_MIN 12 /* min number of fragments to prebuffer */
  81
  82 IDirectSoundImpl*       dsound = NULL;
  83
  84 static HRESULT mmErr(UINT err)
  85 {
  86         switch(err) {
  87         case MMSYSERR_NOERROR:
  88                 return DS_OK;
  89         case MMSYSERR_ALLOCATED:
  90                 return DSERR_ALLOCATED;
  91         case MMSYSERR_INVALHANDLE:
  92                 return DSERR_GENERIC; /* FIXME */
  93         case MMSYSERR_NODRIVER:
  94                 return DSERR_NODRIVER;
  95         case MMSYSERR_NOMEM:
  96                 return DSERR_OUTOFMEMORY;
  97         case MMSYSERR_INVALPARAM:
  98                 return DSERR_INVALIDPARAM;
  99         default:
 100                 FIXME("Unknown MMSYS error %d\n",err);
 101                 return DSERR_GENERIC;
 102         }
 103 }
 104
 105 int ds_emuldriver = DS_EMULDRIVER;
 106 int ds_hel_margin = DS_HEL_MARGIN;
 107 int ds_hel_queue = DS_HEL_QUEUE;
 108 int ds_snd_queue_max = DS_SND_QUEUE_MAX;
 109 int ds_snd_queue_min = DS_SND_QUEUE_MIN;
 110
 111 /*
 112  * Call the callback provided to DirectSoundEnumerateA.
 113  */
 114
 115 inline static void enumerate_devices(LPDSENUMCALLBACKA lpDSEnumCallback,
 116                                     LPVOID lpContext)
 117 {
 118     if (lpDSEnumCallback != NULL)
 119        if (lpDSEnumCallback(NULL, "Primary DirectSound Driver",
 120                             "sound", lpContext))
 121            lpDSEnumCallback((LPGUID)&DSDEVID_WinePlayback,
 122                             "WINE DirectSound", "sound",
 123                             lpContext);
 124 }
 125
 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 inline static void setup_dsound_options(void)
 144 {
 145     char buffer[MAX_PATH+1];
 146     HKEY hkey, appkey = 0;
 147
 148     buffer[MAX_PATH]='\0';
 149
 150     if (RegCreateKeyExA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\dsound", 0, NULL,
 151                          REG_OPTION_VOLATILE, KEY_ALL_ACCESS, NULL, &hkey, NULL ))
 152     {
 153         ERR("Cannot create config registry key\n" );
 154         ExitProcess(1);
 155     }
 156
 157     if (GetModuleFileNameA( 0, buffer, MAX_PATH ))
 158     {
 159         HKEY tmpkey;
 160
 161         if (!RegOpenKeyA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\AppDefaults", &tmpkey ))
 162         {
 163            char appname[MAX_PATH+16];
 164            char *p = strrchr( buffer, '\\' );
 165            if (p!=NULL) {
 166                    appname[MAX_PATH]='\0';
 167                    strncpy(appname,p+1,MAX_PATH);
 168                    strcat(appname,"\\dsound");
 169                    TRACE("appname = [%s] \n",appname);
 170                    if (RegOpenKeyA( tmpkey, appname, &appkey )) appkey = 0;
 171                        RegCloseKey( tmpkey );
 172            }
 173         }
 174     }
 175
 176     /* get options */
 177
 178     if (!get_config_key( hkey, appkey, "EmulDriver", buffer, MAX_PATH ))
 179         ds_emuldriver = strcmp(buffer, "N");
 180
 181     if (!get_config_key( hkey, appkey, "HELmargin", buffer, MAX_PATH ))
 182         ds_hel_margin = atoi(buffer);
 183
 184     if (!get_config_key( hkey, appkey, "HELqueue", buffer, MAX_PATH ))
 185         ds_hel_queue = atoi(buffer);
 186
 187     if (!get_config_key( hkey, appkey, "SndQueueMax", buffer, MAX_PATH ))
 188         ds_snd_queue_max = atoi(buffer);
 189
 190     if (!get_config_key( hkey, appkey, "SndQueueMin", buffer, MAX_PATH ))
 191         ds_snd_queue_min = atoi(buffer);
 192
 193     if (appkey) RegCloseKey( appkey );
 194     RegCloseKey( hkey );
 195
 196     if (ds_emuldriver != DS_EMULDRIVER )
 197        WARN("ds_emuldriver = %d (default=%d)\n",ds_emuldriver, DS_EMULDRIVER);
 198     if (ds_hel_margin != DS_HEL_MARGIN )
 199        WARN("ds_hel_margin = %d (default=%d)\n",ds_hel_margin, DS_HEL_MARGIN );
 200     if (ds_hel_queue != DS_HEL_QUEUE )
 201        WARN("ds_hel_queue = %d (default=%d)\n",ds_hel_queue, DS_HEL_QUEUE );
 202     if (ds_snd_queue_max != DS_SND_QUEUE_MAX)
 203        WARN("ds_snd_queue_max = %d (default=%d)\n",ds_snd_queue_max ,DS_SND_QUEUE_MAX);
 204     if (ds_snd_queue_min != DS_SND_QUEUE_MIN)
 205        WARN("ds_snd_queue_min = %d (default=%d)\n",ds_snd_queue_min ,DS_SND_QUEUE_MIN);
 206
 207 }
 208
 209
 210
 211 /***************************************************************************
 212  * DirectSoundEnumerateA [DSOUND.2]
 213  *
 214  * Enumerate all DirectSound drivers installed in the system
 215  *
 216  * RETURNS
 217  *    Success: DS_OK
 218  *    Failure: DSERR_INVALIDPARAM
 219  */
 220 HRESULT WINAPI DirectSoundEnumerateA(
 221         LPDSENUMCALLBACKA lpDSEnumCallback,
 222         LPVOID lpContext)
 223 {
 224         WAVEOUTCAPSA wcaps;
 225         unsigned devs, wod;
 226
 227         TRACE("lpDSEnumCallback = %p, lpContext = %p\n",
 228                 lpDSEnumCallback, lpContext);
 229
 230         devs = waveOutGetNumDevs();
 231         for (wod = 0; wod < devs; ++wod) {
 232                 waveOutGetDevCapsA(wod, &wcaps, sizeof(wcaps));
 233                 if (wcaps.dwSupport & WAVECAPS_DIRECTSOUND) {
 234                         TRACE("- Device %u supports DirectSound\n", wod);
 235                         enumerate_devices(lpDSEnumCallback, lpContext);
 236                         return DS_OK;
 237                 }
 238         }
 239         return DS_OK;
 240 }
 241
 242 /***************************************************************************
 243  * DirectSoundEnumerateW [DSOUND.3]
 244  *
 245  * Enumerate all DirectSound drivers installed in the system
 246  *
 247  * RETURNS
 248  *    Success: DS_OK
 249  *    Failure: DSERR_INVALIDPARAM
 250  */
 251 HRESULT WINAPI DirectSoundEnumerateW(
 252         LPDSENUMCALLBACKW lpDSEnumCallback,
 253         LPVOID lpContext )
 254 {
 255         FIXME("lpDSEnumCallback = %p, lpContext = %p: stub\n",
 256                 lpDSEnumCallback, lpContext);
 257
 258         return DS_OK;
 259 }
 260
 261
 262 static void _dump_DSBCAPS(DWORD xmask) {
 263         struct {
 264                 DWORD   mask;
 265                 char    *name;
 266         } flags[] = {
 267 #define FE(x) { x, #x },
 268                 FE(DSBCAPS_PRIMARYBUFFER)
 269                 FE(DSBCAPS_STATIC)
 270                 FE(DSBCAPS_LOCHARDWARE)
 271                 FE(DSBCAPS_LOCSOFTWARE)
 272                 FE(DSBCAPS_CTRL3D)
 273                 FE(DSBCAPS_CTRLFREQUENCY)
 274                 FE(DSBCAPS_CTRLPAN)
 275                 FE(DSBCAPS_CTRLVOLUME)
 276                 FE(DSBCAPS_CTRLPOSITIONNOTIFY)
 277                 FE(DSBCAPS_CTRLDEFAULT)
 278                 FE(DSBCAPS_CTRLALL)
 279                 FE(DSBCAPS_STICKYFOCUS)
 280                 FE(DSBCAPS_GLOBALFOCUS)
 281                 FE(DSBCAPS_GETCURRENTPOSITION2)
 282                 FE(DSBCAPS_MUTE3DATMAXDISTANCE)
 283 #undef FE
 284         };
 285         int     i;
 286
 287         for (i=0;i<sizeof(flags)/sizeof(flags[0]);i++)
 288                 if ((flags[i].mask & xmask) == flags[i].mask)
 289                         DPRINTF("%s ",flags[i].name);
 290 }
 291
 292 /*******************************************************************************
 293  *              IDirectSound
 294  */
 295
 296 static HRESULT WINAPI IDirectSoundImpl_SetCooperativeLevel(
 297         LPDIRECTSOUND8 iface,HWND hwnd,DWORD level
 298 ) {
 299         ICOM_THIS(IDirectSoundImpl,iface);
 300
 301         FIXME("(%p,%08lx,%ld):stub\n",This,(DWORD)hwnd,level);
 302
 303         This->priolevel = level;
 304
 305         return DS_OK;
 306 }
 307
 308 static HRESULT WINAPI IDirectSoundImpl_CreateSoundBuffer(
 309         LPDIRECTSOUND8 iface,LPDSBUFFERDESC dsbd,LPLPDIRECTSOUNDBUFFER8 ppdsb,LPUNKNOWN lpunk
 310 ) {
 311         ICOM_THIS(IDirectSoundImpl,iface);
 312         LPWAVEFORMATEX  wfex;
 313
 314         TRACE("(%p,%p,%p,%p)\n",This,dsbd,ppdsb,lpunk);
 315
 316         if ((This == NULL) || (dsbd == NULL) || (ppdsb == NULL))
 317                 return DSERR_INVALIDPARAM;
 318
 319         if (TRACE_ON(dsound)) {
 320                 TRACE("(structsize=%ld)\n",dsbd->dwSize);
 321                 TRACE("(flags=0x%08lx:\n",dsbd->dwFlags);
 322                 _dump_DSBCAPS(dsbd->dwFlags);
 323                 DPRINTF(")\n");
 324                 TRACE("(bufferbytes=%ld)\n",dsbd->dwBufferBytes);
 325                 TRACE("(lpwfxFormat=%p)\n",dsbd->lpwfxFormat);
 326         }
 327
 328         wfex = dsbd->lpwfxFormat;
 329
 330         if (wfex)
 331                 TRACE("(formattag=0x%04x,chans=%d,samplerate=%ld,"
 332                    "bytespersec=%ld,blockalign=%d,bitspersamp=%d,cbSize=%d)\n",
 333                    wfex->wFormatTag, wfex->nChannels, wfex->nSamplesPerSec,
 334                    wfex->nAvgBytesPerSec, wfex->nBlockAlign,
 335                    wfex->wBitsPerSample, wfex->cbSize);
 336
 337         if (dsbd->dwFlags & DSBCAPS_PRIMARYBUFFER)
 338                 return PrimaryBuffer_Create(This, (PrimaryBufferImpl**)ppdsb, dsbd);
 339         else
 340                 return SecondaryBuffer_Create(This, (IDirectSoundBufferImpl**)ppdsb, dsbd);
 341 }
 342
 343 static HRESULT WINAPI IDirectSoundImpl_DuplicateSoundBuffer(
 344         LPDIRECTSOUND8 iface,LPDIRECTSOUNDBUFFER8 pdsb,LPLPDIRECTSOUNDBUFFER8 ppdsb
 345 ) {
 346         ICOM_THIS(IDirectSoundImpl,iface);
 347         IDirectSoundBufferImpl* ipdsb=(IDirectSoundBufferImpl*)pdsb;
 348         IDirectSoundBufferImpl** ippdsb=(IDirectSoundBufferImpl**)ppdsb;
 349         TRACE("(%p,%p,%p)\n",This,ipdsb,ippdsb);
 350
 351         if (ipdsb->dsbd.dwFlags & DSBCAPS_PRIMARYBUFFER) {
 352                 ERR("trying to duplicate primary buffer\n");
 353                 return DSERR_INVALIDCALL;
 354         }
 355
 356         if (ipdsb->hwbuf) {
 357                 FIXME("need to duplicate hardware buffer\n");
 358         }
 359
 360         if (ipdsb->dsbd.dwFlags & DSBCAPS_CTRL3D) {
 361                 FIXME("need to duplicate 3D buffer\n");
 362         }
 363
 364         *ippdsb = (IDirectSoundBufferImpl*)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(IDirectSoundBufferImpl));
 365
 366         IDirectSoundBuffer8_AddRef(pdsb);
 367         memcpy(*ippdsb, ipdsb, sizeof(IDirectSoundBufferImpl));
 368         (*ippdsb)->ref = 1;
 369         (*ippdsb)->state = STATE_STOPPED;
 370         (*ippdsb)->playpos = 0;
 371         (*ippdsb)->buf_mixpos = 0;
 372         (*ippdsb)->dsound = This;
 373         (*ippdsb)->parent = ipdsb;
 374         (*ippdsb)->hwbuf = NULL;
 375         (*ippdsb)->ds3db = NULL; /* FIXME? */
 376         (*ippdsb)->iks = NULL; /* FIXME? */
 377         memcpy(&((*ippdsb)->wfx), &(ipdsb->wfx), sizeof((*ippdsb)->wfx));
 378         InitializeCriticalSection(&(*ippdsb)->lock);
 379         /* register buffer */
 380         RtlAcquireResourceExclusive(&(This->lock), TRUE);
 381         {
 382                 IDirectSoundBufferImpl **newbuffers = (IDirectSoundBufferImpl**)HeapReAlloc(GetProcessHeap(),0,This->buffers,sizeof(IDirectSoundBufferImpl**)*(This->nrofbuffers+1));
 383                 if (newbuffers) {
 384                         This->buffers = newbuffers;
 385                         This->buffers[This->nrofbuffers] = *ippdsb;
 386                         This->nrofbuffers++;
 387                         TRACE("buffer count is now %d\n", This->nrofbuffers);
 388                 } else {
 389                         ERR("out of memory for buffer list! Current buffer count is %d\n", This->nrofbuffers);
 390                         /* FIXME: release buffer */
 391                 }
 392         }
 393         RtlReleaseResource(&(This->lock));
 394         IDirectSound_AddRef(iface);
 395         return DS_OK;
 396 }
 397
 398
 399 static HRESULT WINAPI IDirectSoundImpl_GetCaps(LPDIRECTSOUND8 iface,LPDSCAPS caps) {
 400         ICOM_THIS(IDirectSoundImpl,iface);
 401         TRACE("(%p,%p)\n",This,caps);
 402         TRACE("(flags=0x%08lx)\n",caps->dwFlags);
 403
 404         if (caps == NULL)
 405                 return DSERR_INVALIDPARAM;
 406
 407         /* We should check this value, not set it. See Inside DirectX, p215. */
 408         caps->dwSize = sizeof(*caps);
 409
 410         caps->dwFlags = This->drvcaps.dwFlags;
 411
 412         /* FIXME: copy caps from This->drvcaps */
 413         caps->dwMinSecondarySampleRate          = DSBFREQUENCY_MIN;
 414         caps->dwMaxSecondarySampleRate          = DSBFREQUENCY_MAX;
 415
 416         caps->dwPrimaryBuffers                  = 1;
 417
 418         caps->dwMaxHwMixingAllBuffers           = 0;
 419         caps->dwMaxHwMixingStaticBuffers        = 0;
 420         caps->dwMaxHwMixingStreamingBuffers     = 0;
 421
 422         caps->dwFreeHwMixingAllBuffers          = 0;
 423         caps->dwFreeHwMixingStaticBuffers       = 0;
 424         caps->dwFreeHwMixingStreamingBuffers    = 0;
 425
 426         caps->dwMaxHw3DAllBuffers               = 0;
 427         caps->dwMaxHw3DStaticBuffers            = 0;
 428         caps->dwMaxHw3DStreamingBuffers         = 0;
 429
 430         caps->dwFreeHw3DAllBuffers              = 0;
 431         caps->dwFreeHw3DStaticBuffers           = 0;
 432         caps->dwFreeHw3DStreamingBuffers        = 0;
 433
 434         caps->dwTotalHwMemBytes                 = 0;
 435
 436         caps->dwFreeHwMemBytes                  = 0;
 437
 438         caps->dwMaxContigFreeHwMemBytes         = 0;
 439
 440         caps->dwUnlockTransferRateHwBuffers     = 4096; /* But we have none... */
 441
 442         caps->dwPlayCpuOverheadSwBuffers        = 1;    /* 1% */
 443
 444         return DS_OK;
 445 }
 446
 447 static ULONG WINAPI IDirectSoundImpl_AddRef(LPDIRECTSOUND8 iface) {
 448         ICOM_THIS(IDirectSoundImpl,iface);
 449         return ++(This->ref);
 450 }
 451
 452 static ULONG WINAPI IDirectSoundImpl_Release(LPDIRECTSOUND8 iface) {
 453         ICOM_THIS(IDirectSoundImpl,iface);
 454         TRACE("(%p), ref was %ld\n",This,This->ref);
 455         if (!--(This->ref)) {
 456                 UINT i;
 457
 458                 timeKillEvent(This->timerID);
 459                 timeEndPeriod(DS_TIME_RES);
 460
 461                 if (This->buffers) {
 462                         for( i=0;i<This->nrofbuffers;i++)
 463                                 IDirectSoundBuffer8_Release((LPDIRECTSOUNDBUFFER8)This->buffers[i]);
 464                 }
 465
 466                 DSOUND_PrimaryDestroy(This);
 467
 468                 RtlDeleteResource(&This->lock);
 469                 DeleteCriticalSection(&This->mixlock);
 470                 if (This->driver) {
 471                         IDsDriver_Close(This->driver);
 472                 } else {
 473                         unsigned c;
 474                         for (c=0; c<DS_HEL_FRAGS; c++)
 475                                 HeapFree(GetProcessHeap(),0,This->pwave[c]);
 476                 }
 477                 if (This->drvdesc.dwFlags & DSDDESC_DOMMSYSTEMOPEN) {
 478                         waveOutClose(This->hwo);
 479                 }
 480                 if (This->driver)
 481                         IDsDriver_Release(This->driver);
 482
 483                 HeapFree(GetProcessHeap(),0,This);
 484                 dsound = NULL;
 485                 return 0;
 486         }
 487         return This->ref;
 488 }
 489
 490 static HRESULT WINAPI IDirectSoundImpl_SetSpeakerConfig(
 491         LPDIRECTSOUND8 iface,DWORD config
 492 ) {
 493         ICOM_THIS(IDirectSoundImpl,iface);
 494         FIXME("(%p,0x%08lx):stub\n",This,config);
 495         return DS_OK;
 496 }
 497
 498 static HRESULT WINAPI IDirectSoundImpl_QueryInterface(
 499         LPDIRECTSOUND8 iface,REFIID riid,LPVOID *ppobj
 500 ) {
 501         ICOM_THIS(IDirectSoundImpl,iface);
 502
 503         if ( IsEqualGUID( &IID_IDirectSound3DListener, riid ) ) {
 504                 ERR("app requested IDirectSound3DListener on dsound object\n");
 505                 *ppobj = NULL;
 506                 return E_FAIL;
 507         }
 508
 509         FIXME("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
 510         return E_NOINTERFACE;
 511 }
 512
 513 static HRESULT WINAPI IDirectSoundImpl_Compact(
 514         LPDIRECTSOUND8 iface)
 515 {
 516         ICOM_THIS(IDirectSoundImpl,iface);
 517         TRACE("(%p)\n", This);
 518         return DS_OK;
 519 }
 520
 521 static HRESULT WINAPI IDirectSoundImpl_GetSpeakerConfig(
 522         LPDIRECTSOUND8 iface,
 523         LPDWORD lpdwSpeakerConfig)
 524 {
 525         ICOM_THIS(IDirectSoundImpl,iface);
 526         TRACE("(%p, %p)\n", This, lpdwSpeakerConfig);
 527         *lpdwSpeakerConfig = DSSPEAKER_STEREO | (DSSPEAKER_GEOMETRY_NARROW << 16);
 528         return DS_OK;
 529 }
 530
 531 static HRESULT WINAPI IDirectSoundImpl_Initialize(
 532         LPDIRECTSOUND8 iface,
 533         LPCGUID lpcGuid)
 534 {
 535         ICOM_THIS(IDirectSoundImpl,iface);
 536         TRACE("(%p, %p)\n", This, lpcGuid);
 537         return DS_OK;
 538 }
 539
 540 static HRESULT WINAPI IDirectSoundImpl_VerifyCertification(
 541         LPDIRECTSOUND8 iface,
 542         LPDWORD pdwCertified)
 543 {
 544         ICOM_THIS(IDirectSoundImpl,iface);
 545         TRACE("(%p, %p)\n", This, pdwCertified);
 546         *pdwCertified = DS_CERTIFIED;
 547         return DS_OK;
 548 }
 549
 550 static ICOM_VTABLE(IDirectSound8) dsvt =
 551 {
 552         ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 553         IDirectSoundImpl_QueryInterface,
 554         IDirectSoundImpl_AddRef,
 555         IDirectSoundImpl_Release,
 556         IDirectSoundImpl_CreateSoundBuffer,
 557         IDirectSoundImpl_GetCaps,
 558         IDirectSoundImpl_DuplicateSoundBuffer,
 559         IDirectSoundImpl_SetCooperativeLevel,
 560         IDirectSoundImpl_Compact,
 561         IDirectSoundImpl_GetSpeakerConfig,
 562         IDirectSoundImpl_SetSpeakerConfig,
 563         IDirectSoundImpl_Initialize,
 564         IDirectSoundImpl_VerifyCertification
 565 };
 566
 567
 568 /*******************************************************************************
 569  *              DirectSoundCreate (DSOUND.1)
 570  */
 571 HRESULT WINAPI DirectSoundCreate8(REFGUID lpGUID,LPDIRECTSOUND8 *ppDS,IUnknown *pUnkOuter )
 572 {
 573         IDirectSoundImpl** ippDS=(IDirectSoundImpl**)ppDS;
 574         PIDSDRIVER drv = NULL;
 575         WAVEOUTCAPSA wcaps;
 576         unsigned wod, wodn;
 577         HRESULT err = DS_OK;
 578
 579         if (lpGUID)
 580                 TRACE("(%p,%p,%p)\n",lpGUID,ippDS,pUnkOuter);
 581         else
 582                 TRACE("DirectSoundCreate (%p)\n", ippDS);
 583
 584         if (ippDS == NULL)
 585                 return DSERR_INVALIDPARAM;
 586
 587         if (dsound) {
 588                 IDirectSound_AddRef((LPDIRECTSOUND)dsound);
 589                 *ippDS = dsound;
 590                 return DS_OK;
 591         }
 592
 593         /* Get dsound configuration */
 594         setup_dsound_options();
 595
 596         /* Enumerate WINMM audio devices and find the one we want */
 597         wodn = waveOutGetNumDevs();
 598         if (!wodn) return DSERR_NODRIVER;
 599
 600         /* FIXME: How do we find the GUID of an audio device? */
 601         wod = 0;  /* start at the first audio device */
 602
 603         /* Get output device caps */
 604         waveOutGetDevCapsA(wod, &wcaps, sizeof(wcaps));
 605         /* DRV_QUERYDSOUNDIFACE is a "Wine extension" to get the DSound interface */
 606         waveOutMessage((HWAVEOUT)wod, DRV_QUERYDSOUNDIFACE, (DWORD)&drv, 0);
 607
 608         /* Allocate memory */
 609         *ippDS = (IDirectSoundImpl*)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(IDirectSoundImpl));
 610         if (*ippDS == NULL)
 611                 return DSERR_OUTOFMEMORY;
 612
 613         ICOM_VTBL(*ippDS)       = &dsvt;
 614         (*ippDS)->ref           = 1;
 615
 616         (*ippDS)->driver        = drv;
 617         (*ippDS)->priolevel     = DSSCL_NORMAL;
 618         (*ippDS)->fraglen       = 0;
 619         (*ippDS)->hwbuf         = NULL;
 620         (*ippDS)->buffer        = NULL;
 621         (*ippDS)->buflen        = 0;
 622         (*ippDS)->writelead     = 0;
 623         (*ippDS)->state         = STATE_STOPPED;
 624         (*ippDS)->nrofbuffers   = 0;
 625         (*ippDS)->buffers       = NULL;
 626 /*      (*ippDS)->primary       = NULL; */
 627         (*ippDS)->listener      = NULL;
 628
 629         (*ippDS)->prebuf        = ds_snd_queue_max;
 630
 631         /* Get driver description */
 632         if (drv) {
 633                 IDsDriver_GetDriverDesc(drv,&((*ippDS)->drvdesc));
 634         } else {
 635                 /* if no DirectSound interface available, use WINMM API instead */
 636                 (*ippDS)->drvdesc.dwFlags = DSDDESC_DOMMSYSTEMOPEN | DSDDESC_DOMMSYSTEMSETFORMAT;
 637                 (*ippDS)->drvdesc.dnDevNode = wod; /* FIXME? */
 638         }
 639
 640         /* Set default wave format (may need it for waveOutOpen) */
 641         (*ippDS)->wfx.wFormatTag        = WAVE_FORMAT_PCM;
 642         (*ippDS)->wfx.nChannels         = 2;
 643         (*ippDS)->wfx.nSamplesPerSec    = 22050;
 644         (*ippDS)->wfx.nAvgBytesPerSec   = 44100;
 645         (*ippDS)->wfx.nBlockAlign       = 2;
 646         (*ippDS)->wfx.wBitsPerSample    = 8;
 647
 648         /* If the driver requests being opened through MMSYSTEM
 649          * (which is recommended by the DDK), it is supposed to happen
 650          * before the DirectSound interface is opened */
 651         if ((*ippDS)->drvdesc.dwFlags & DSDDESC_DOMMSYSTEMOPEN)
 652         {
 653                 /* FIXME: is this right? */
 654                 (*ippDS)->drvdesc.dnDevNode = 0;
 655                 err = DSERR_ALLOCATED;
 656
 657                 /* if this device is busy try the next one */
 658                 while((err == DSERR_ALLOCATED) &&
 659                         ((*ippDS)->drvdesc.dnDevNode < wodn))
 660                 {
 661                   err = mmErr(waveOutOpen(&((*ippDS)->hwo),
 662                                           (*ippDS)->drvdesc.dnDevNode, &((*ippDS)->wfx),
 663                                           (DWORD)DSOUND_callback, (DWORD)(*ippDS),
 664                                           CALLBACK_FUNCTION | WAVE_DIRECTSOUND));
 665                   (*ippDS)->drvdesc.dnDevNode++; /* next wave device */
 666                 }
 667
 668                 (*ippDS)->drvdesc.dnDevNode--; /* take away last increment */
 669         }
 670
 671         if (drv && (err == DS_OK))
 672                 err = IDsDriver_Open(drv);
 673
 674         /* FIXME: do we want to handle a temporarily busy device? */
 675         if (err != DS_OK) {
 676                 HeapFree(GetProcessHeap(),0,*ippDS);
 677                 *ippDS = NULL;
 678                 return err;
 679         }
 680
 681         /* the driver is now open, so it's now allowed to call GetCaps */
 682         if (drv) {
 683                 IDsDriver_GetCaps(drv,&((*ippDS)->drvcaps));
 684         } else {
 685                 unsigned c;
 686
 687                 /* FIXME: look at wcaps */
 688                 (*ippDS)->drvcaps.dwFlags =
 689                         DSCAPS_PRIMARY16BIT | DSCAPS_PRIMARYSTEREO;
 690                 if (ds_emuldriver)
 691                     (*ippDS)->drvcaps.dwFlags |= DSCAPS_EMULDRIVER;
 692
 693                 /* Allocate memory for HEL buffer headers */
 694                 for (c=0; c<DS_HEL_FRAGS; c++) {
 695                         (*ippDS)->pwave[c] = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(WAVEHDR));
 696                         if (!(*ippDS)->pwave[c]) {
 697                                 /* Argh, out of memory */
 698                                 while (c--) {
 699                                         HeapFree(GetProcessHeap(),0,(*ippDS)->pwave[c]);
 700                                         waveOutClose((*ippDS)->hwo);
 701                                         HeapFree(GetProcessHeap(),0,*ippDS);
 702                                         *ippDS = NULL;
 703                                         return DSERR_OUTOFMEMORY;
 704                                 }
 705                         }
 706                 }
 707         }
 708
 709         DSOUND_RecalcVolPan(&((*ippDS)->volpan));
 710
 711         InitializeCriticalSection(&((*ippDS)->mixlock));
 712         RtlInitializeResource(&((*ippDS)->lock));
 713
 714         if (!dsound) {
 715                 dsound = (*ippDS);
 716                 DSOUND_PrimaryCreate(dsound);
 717                 timeBeginPeriod(DS_TIME_RES);
 718                 dsound->timerID = timeSetEvent(DS_TIME_DEL, DS_TIME_RES, DSOUND_timer,
 719                                                (DWORD)dsound, TIME_PERIODIC | TIME_CALLBACK_FUNCTION);
 720         }
 721         return DS_OK;
 722 }
 723
 724
 725 /*******************************************************************************
 726  * DirectSound ClassFactory
 727  */
 728 typedef struct
 729 {
 730     /* IUnknown fields */
 731     ICOM_VFIELD(IClassFactory);
 732     DWORD                       ref;
 733 } IClassFactoryImpl;
 734
 735 static HRESULT WINAPI
 736 DSCF_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj) {
 737         ICOM_THIS(IClassFactoryImpl,iface);
 738
 739         FIXME("(%p)->(%s,%p),stub!\n",This,debugstr_guid(riid),ppobj);
 740         return E_NOINTERFACE;
 741 }
 742
 743 static ULONG WINAPI
 744 DSCF_AddRef(LPCLASSFACTORY iface) {
 745         ICOM_THIS(IClassFactoryImpl,iface);
 746         return ++(This->ref);
 747 }
 748
 749 static ULONG WINAPI DSCF_Release(LPCLASSFACTORY iface) {
 750         ICOM_THIS(IClassFactoryImpl,iface);
 751         /* static class, won't be  freed */
 752         return --(This->ref);
 753 }
 754
 755 static HRESULT WINAPI DSCF_CreateInstance(
 756         LPCLASSFACTORY iface,LPUNKNOWN pOuter,REFIID riid,LPVOID *ppobj
 757 ) {
 758         ICOM_THIS(IClassFactoryImpl,iface);
 759
 760         TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
 761         if ( IsEqualGUID( &IID_IDirectSound, riid ) ||
 762              IsEqualGUID( &IID_IDirectSound8, riid ) ) {
 763                 /* FIXME: reuse already created dsound if present? */
 764                 return DirectSoundCreate8(riid,(LPDIRECTSOUND8*)ppobj,pOuter);
 765         }
 766         return E_NOINTERFACE;
 767 }
 768
 769 static HRESULT WINAPI DSCF_LockServer(LPCLASSFACTORY iface,BOOL dolock) {
 770         ICOM_THIS(IClassFactoryImpl,iface);
 771         FIXME("(%p)->(%d),stub!\n",This,dolock);
 772         return S_OK;
 773 }
 774
 775 static ICOM_VTABLE(IClassFactory) DSCF_Vtbl = {
 776         ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 777         DSCF_QueryInterface,
 778         DSCF_AddRef,
 779         DSCF_Release,
 780         DSCF_CreateInstance,
 781         DSCF_LockServer
 782 };
 783 static IClassFactoryImpl DSOUND_CF = {&DSCF_Vtbl, 1 };
 784
 785 /*******************************************************************************
 786  * DllGetClassObject [DSOUND.5]
 787  * Retrieves class object from a DLL object
 788  *
 789  * NOTES
 790  *    Docs say returns STDAPI
 791  *
 792  * PARAMS
 793  *    rclsid [I] CLSID for the class object
 794  *    riid   [I] Reference to identifier of interface for class object
 795  *    ppv    [O] Address of variable to receive interface pointer for riid
 796  *
 797  * RETURNS
 798  *    Success: S_OK
 799  *    Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
 800  *             E_UNEXPECTED
 801  */
 802 DWORD WINAPI DSOUND_DllGetClassObject(REFCLSID rclsid,REFIID riid,LPVOID *ppv)
 803 {
 804     TRACE("(%p,%p,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 805     if ( IsEqualCLSID( &IID_IClassFactory, riid ) ) {
 806         *ppv = (LPVOID)&DSOUND_CF;
 807         IClassFactory_AddRef((IClassFactory*)*ppv);
 808     return S_OK;
 809     }
 810
 811     FIXME("(%p,%p,%p): no interface found.\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 812     return CLASS_E_CLASSNOTAVAILABLE;
 813 }
 814
 815
 816 /*******************************************************************************
 817  * DllCanUnloadNow [DSOUND.4]  Determines whether the DLL is in use.
 818  *
 819  * RETURNS
 820  *    Success: S_OK
 821  *    Failure: S_FALSE
 822  */
 823 DWORD WINAPI DSOUND_DllCanUnloadNow(void)
 824 {
 825     FIXME("(void): stub\n");
 826     return S_FALSE;
 827 }