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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 #include <stdarg.h>
  23
  24 #define NONAMELESSSTRUCT
  25 #define NONAMELESSUNION
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "mmsystem.h"
  29 #include "winreg.h"
  30 #include "winternl.h"
  31 #include "mmddk.h"
  32 #include "wine/debug.h"
  33 #include "dsound.h"
  34 #include "dsdriver.h"
  35 #include "dsound_private.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(dsound);
  38
  39 void DSOUND_RecalcPrimary(IDirectSoundImpl *This)
  40 {
  41         DWORD nBlockAlign;
  42         TRACE("(%p)\n",This);
  43
  44         nBlockAlign = This->pwfx->nBlockAlign;
  45         if (This->hwbuf) {
  46                 DWORD fraglen;
  47                 /* let fragment size approximate the timer delay */
  48                 fraglen = (This->pwfx->nSamplesPerSec * DS_TIME_DEL / 1000) * nBlockAlign;
  49                 /* reduce fragment size until an integer number of them fits in the buffer */
  50                 /* (FIXME: this may or may not be a good idea) */
  51                 while (This->buflen % fraglen) fraglen -= nBlockAlign;
  52                 This->fraglen = fraglen;
  53                 TRACE("fraglen=%ld\n", This->fraglen);
  54         }
  55         /* calculate the 10ms write lead */
  56         This->writelead = (This->pwfx->nSamplesPerSec / 100) * nBlockAlign;
  57 }
  58
  59 static HRESULT DSOUND_PrimaryOpen(IDirectSoundImpl *This)
  60 {
  61         HRESULT err = DS_OK;
  62         TRACE("(%p)\n",This);
  63
  64         /* are we using waveOut stuff? */
  65         if (!This->driver) {
  66                 LPBYTE newbuf;
  67                 DWORD buflen;
  68                 HRESULT merr = DS_OK;
  69                 /* Start in pause mode, to allow buffers to get filled */
  70                 waveOutPause(This->hwo);
  71                 if (This->state == STATE_PLAYING) This->state = STATE_STARTING;
  72                 else if (This->state == STATE_STOPPING) This->state = STATE_STOPPED;
  73                 /* use fragments of 10ms (1/100s) each (which should get us within
  74                  * the documented write cursor lead of 10-15ms) */
  75                 buflen = ((This->pwfx->nSamplesPerSec / 100) * This->pwfx->nBlockAlign) * DS_HEL_FRAGS;
  76                 TRACE("desired buflen=%ld, old buffer=%p\n", buflen, This->buffer);
  77                 /* reallocate emulated primary buffer */
  78
  79                 if (This->buffer)
  80                         newbuf = HeapReAlloc(GetProcessHeap(),0,This->buffer,buflen);
  81                 else
  82                         newbuf = HeapAlloc(GetProcessHeap(),0,buflen);
  83
  84                 if (newbuf == NULL) {
  85                         ERR("failed to allocate primary buffer\n");
  86                         merr = DSERR_OUTOFMEMORY;
  87                         /* but the old buffer might still exist and must be re-prepared */
  88                 } else {
  89                         This->buffer = newbuf;
  90                         This->buflen = buflen;
  91                 }
  92                 if (This->buffer) {
  93                         unsigned c;
  94
  95                         This->fraglen = This->buflen / DS_HEL_FRAGS;
  96
  97                         /* prepare fragment headers */
  98                         for (c=0; c<DS_HEL_FRAGS; c++) {
  99                                 This->pwave[c]->lpData = This->buffer + c*This->fraglen;
 100                                 This->pwave[c]->dwBufferLength = This->fraglen;
 101                                 This->pwave[c]->dwUser = (DWORD)This;
 102                                 This->pwave[c]->dwFlags = 0;
 103                                 This->pwave[c]->dwLoops = 0;
 104                                 err = mmErr(waveOutPrepareHeader(This->hwo,This->pwave[c],sizeof(WAVEHDR)));
 105                                 if (err != DS_OK) {
 106                                         while (c--)
 107                                                 waveOutUnprepareHeader(This->hwo,This->pwave[c],sizeof(WAVEHDR));
 108                                         break;
 109                                 }
 110                         }
 111
 112                         This->pwplay = 0;
 113                         This->pwwrite = 0;
 114                         This->pwqueue = 0;
 115                         This->playpos = 0;
 116                         This->mixpos = 0;
 117                         FillMemory(This->buffer, This->buflen, (This->pwfx->wBitsPerSample == 8) ? 128 : 0);
 118                         TRACE("fraglen=%ld\n", This->fraglen);
 119                         DSOUND_WaveQueue(This, (DWORD)-1);
 120                 }
 121                 if ((err == DS_OK) && (merr != DS_OK))
 122                         err = merr;
 123         } else if (!This->hwbuf) {
 124                 err = IDsDriver_CreateSoundBuffer(This->driver,This->pwfx,
 125                                                   DSBCAPS_PRIMARYBUFFER,0,
 126                                                   &(This->buflen),&(This->buffer),
 127                                                   (LPVOID*)&(This->hwbuf));
 128                 if (err != DS_OK) {
 129                         WARN("IDsDriver_CreateSoundBuffer failed\n");
 130                         return err;
 131                 }
 132
 133                 if (This->state == STATE_PLAYING) This->state = STATE_STARTING;
 134                 else if (This->state == STATE_STOPPING) This->state = STATE_STOPPED;
 135                 This->playpos = 0;
 136                 This->mixpos = 0;
 137                 FillMemory(This->buffer, This->buflen, (This->pwfx->wBitsPerSample == 8) ? 128 : 0);
 138         }
 139
 140         return err;
 141 }
 142
 143
 144 static void DSOUND_PrimaryClose(IDirectSoundImpl *This)
 145 {
 146         TRACE("(%p)\n",This);
 147
 148         /* are we using waveOut stuff? */
 149         if (!This->hwbuf) {
 150                 unsigned c;
 151
 152                 This->pwqueue = (DWORD)-1; /* resetting queues */
 153                 waveOutReset(This->hwo);
 154                 for (c=0; c<DS_HEL_FRAGS; c++)
 155                         waveOutUnprepareHeader(This->hwo, This->pwave[c], sizeof(WAVEHDR));
 156                 This->pwqueue = 0;
 157         } else {
 158                 if (IDsDriverBuffer_Release(This->hwbuf) == 0)
 159                         This->hwbuf = 0;
 160         }
 161 }
 162
 163 HRESULT DSOUND_PrimaryCreate(IDirectSoundImpl *This)
 164 {
 165         HRESULT err = DS_OK;
 166         TRACE("(%p)\n",This);
 167
 168         This->buflen = This->pwfx->nAvgBytesPerSec;
 169
 170         /* FIXME: verify that hardware capabilities (DSCAPS_PRIMARY flags) match */
 171
 172         if (This->driver) {
 173                 err = IDsDriver_CreateSoundBuffer(This->driver,This->pwfx,
 174                                                   DSBCAPS_PRIMARYBUFFER,0,
 175                                                   &(This->buflen),&(This->buffer),
 176                                                   (LPVOID*)&(This->hwbuf));
 177                 if (err != DS_OK) {
 178                         WARN("IDsDriver_CreateSoundBuffer failed\n");
 179                         return err;
 180                 }
 181         }
 182         if (!This->hwbuf) {
 183                 /* Allocate memory for HEL buffer headers */
 184                 unsigned c;
 185                 for (c=0; c<DS_HEL_FRAGS; c++) {
 186                         This->pwave[c] = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(WAVEHDR));
 187                         if (!This->pwave[c]) {
 188                                 /* Argh, out of memory */
 189                                 while (c--) {
 190                                         HeapFree(GetProcessHeap(),0,This->pwave[c]);
 191                                 }
 192                                 WARN("out of memory\n");
 193                                 return DSERR_OUTOFMEMORY;
 194                         }
 195                 }
 196         }
 197
 198         err = DSOUND_PrimaryOpen(This);
 199
 200         if (err != DS_OK) {
 201                 WARN("DSOUND_PrimaryOpen failed\n");
 202                 return err;
 203         }
 204
 205         /* calculate fragment size and write lead */
 206         DSOUND_RecalcPrimary(This);
 207         This->state = STATE_STOPPED;
 208         return DS_OK;
 209 }
 210
 211 HRESULT DSOUND_PrimaryDestroy(IDirectSoundImpl *This)
 212 {
 213         TRACE("(%p)\n",This);
 214
 215         DSOUND_PrimaryClose(This);
 216         if (This->driver) {
 217                 if (This->hwbuf) {
 218                         if (IDsDriverBuffer_Release(This->hwbuf) == 0)
 219                                 This->hwbuf = 0;
 220                 }
 221         } else {
 222                 unsigned c;
 223                 for (c=0; c<DS_HEL_FRAGS; c++) {
 224                         HeapFree(GetProcessHeap(),0,This->pwave[c]);
 225                 }
 226         }
 227         HeapFree(GetProcessHeap(),0,This->pwfx);
 228         This->pwfx=NULL;
 229         return DS_OK;
 230 }
 231
 232 HRESULT DSOUND_PrimaryPlay(IDirectSoundImpl *This)
 233 {
 234         HRESULT err = DS_OK;
 235         TRACE("(%p)\n",This);
 236
 237         if (This->hwbuf) {
 238                 err = IDsDriverBuffer_Play(This->hwbuf, 0, 0, DSBPLAY_LOOPING);
 239                 if (err != DS_OK)
 240                         WARN("IDsDriverBuffer_Play failed\n");
 241         } else {
 242                 err = mmErr(waveOutRestart(This->hwo));
 243                 if (err != DS_OK)
 244                         WARN("waveOutRestart failed\n");
 245         }
 246
 247         return err;
 248 }
 249
 250 HRESULT DSOUND_PrimaryStop(IDirectSoundImpl *This)
 251 {
 252         HRESULT err = DS_OK;
 253         TRACE("(%p)\n",This);
 254
 255         if (This->hwbuf) {
 256                 err = IDsDriverBuffer_Stop(This->hwbuf);
 257                 if (err == DSERR_BUFFERLOST) {
 258                         DWORD flags = CALLBACK_FUNCTION;
 259                         if (ds_hw_accel != DS_HW_ACCEL_EMULATION)
 260                                 flags |= WAVE_DIRECTSOUND;
 261                         /* Wine-only: the driver wants us to reopen the device */
 262                         /* FIXME: check for errors */
 263                         IDsDriverBuffer_Release(This->hwbuf);
 264                         waveOutClose(This->hwo);
 265                         This->hwo = 0;
 266                         err = mmErr(waveOutOpen(&(This->hwo), This->drvdesc.dnDevNode,
 267                                                 This->pwfx, (DWORD)DSOUND_callback, (DWORD)This,
 268                                                 flags));
 269                         if (err == DS_OK) {
 270                                 err = IDsDriver_CreateSoundBuffer(This->driver,This->pwfx,
 271                                                                   DSBCAPS_PRIMARYBUFFER,0,
 272                                                                   &(This->buflen),&(This->buffer),
 273                                                                   (LPVOID)&(This->hwbuf));
 274                                 if (err != DS_OK)
 275                                         WARN("IDsDriver_CreateSoundBuffer failed\n");
 276                         } else {
 277                                 WARN("waveOutOpen failed\n");
 278                         }
 279                 } else if (err != DS_OK) {
 280                         WARN("IDsDriverBuffer_Stop failed\n");
 281                 }
 282         } else {
 283                 err = mmErr(waveOutPause(This->hwo));
 284                 if (err != DS_OK)
 285                         WARN("waveOutPause failed\n");
 286         }
 287         return err;
 288 }
 289
 290 HRESULT DSOUND_PrimaryGetPosition(IDirectSoundImpl *This, LPDWORD playpos, LPDWORD writepos)
 291 {
 292         TRACE("(%p,%p,%p)\n",This,playpos,writepos);
 293
 294         if (This->hwbuf) {
 295                 HRESULT err=IDsDriverBuffer_GetPosition(This->hwbuf,playpos,writepos);
 296                 if (err) {
 297                         WARN("IDsDriverBuffer_GetPosition failed\n");
 298                         return err;
 299                 }
 300         } else {
 301                 if (playpos) {
 302                         MMTIME mtime;
 303                         mtime.wType = TIME_BYTES;
 304                         waveOutGetPosition(This->hwo, &mtime, sizeof(mtime));
 305                         mtime.u.cb = mtime.u.cb % This->buflen;
 306                         *playpos = mtime.u.cb;
 307                 }
 308                 if (writepos) {
 309                         /* the writepos should only be used by apps with WRITEPRIMARY priority,
 310                          * in which case our software mixer is disabled anyway */
 311                         *writepos = (This->pwplay + ds_hel_margin) * This->fraglen;
 312                         while (*writepos >= This->buflen)
 313                                 *writepos -= This->buflen;
 314                 }
 315         }
 316         TRACE("playpos = %ld, writepos = %ld (%p, time=%ld)\n", playpos?*playpos:0, writepos?*writepos:0, This, GetTickCount());
 317         return DS_OK;
 318 }
 319
 320 /*******************************************************************************
 321  *              PrimaryBuffer
 322  */
 323 /* This sets this format for the <em>Primary Buffer Only</em> */
 324 /* See file:///cdrom/sdk52/docs/worddoc/dsound.doc page 120 */
 325 static HRESULT WINAPI PrimaryBufferImpl_SetFormat(
 326         LPDIRECTSOUNDBUFFER8 iface,LPCWAVEFORMATEX wfex
 327 ) {
 328         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 329         IDirectSoundImpl* dsound = This->dsound;
 330         HRESULT err = DS_OK;
 331         int i, alloc_size, cp_size;
 332         DWORD nSamplesPerSec;
 333         TRACE("(%p,%p)\n",This,wfex);
 334
 335         if (This->dsound->priolevel == DSSCL_NORMAL) {
 336                 WARN("failed priority check!\n");
 337                 return DSERR_PRIOLEVELNEEDED;
 338         }
 339
 340         /* Let's be pedantic! */
 341         if (wfex == NULL) {
 342                 WARN("invalid parameter: wfex==NULL!\n");
 343                 return DSERR_INVALIDPARAM;
 344         }
 345         TRACE("(formattag=0x%04x,chans=%d,samplerate=%ld,"
 346               "bytespersec=%ld,blockalign=%d,bitspersamp=%d,cbSize=%d)\n",
 347               wfex->wFormatTag, wfex->nChannels, wfex->nSamplesPerSec,
 348               wfex->nAvgBytesPerSec, wfex->nBlockAlign,
 349               wfex->wBitsPerSample, wfex->cbSize);
 350
 351         /* **** */
 352         RtlAcquireResourceExclusive(&(dsound->buffer_list_lock), TRUE);
 353         EnterCriticalSection(&(dsound->mixlock));
 354
 355         if (wfex->wFormatTag == WAVE_FORMAT_PCM) {
 356             alloc_size = sizeof(WAVEFORMATEX);
 357             cp_size = sizeof(PCMWAVEFORMAT);
 358         } else
 359             alloc_size = cp_size = sizeof(WAVEFORMATEX) + wfex->cbSize;
 360
 361         dsound->pwfx = HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,dsound->pwfx,alloc_size);
 362
 363         nSamplesPerSec = dsound->pwfx->nSamplesPerSec;
 364
 365         CopyMemory(dsound->pwfx, wfex, cp_size);
 366
 367         if (dsound->drvdesc.dwFlags & DSDDESC_DOMMSYSTEMSETFORMAT) {
 368                 DWORD flags = CALLBACK_FUNCTION;
 369                 if (ds_hw_accel != DS_HW_ACCEL_EMULATION)
 370                         flags |= WAVE_DIRECTSOUND;
 371                 /* FIXME: check for errors */
 372                 DSOUND_PrimaryClose(dsound);
 373                 waveOutClose(dsound->hwo);
 374                 dsound->hwo = 0;
 375                 err = mmErr(waveOutOpen(&(dsound->hwo), dsound->drvdesc.dnDevNode,
 376                                         dsound->pwfx, (DWORD)DSOUND_callback, (DWORD)dsound,
 377                                         flags));
 378                 if (err == DS_OK) {
 379                     err = DSOUND_PrimaryOpen(dsound);
 380                     if (err != DS_OK) {
 381                         WARN("DSOUND_PrimaryOpen failed\n");
 382                         goto done;
 383                     }
 384                 } else {
 385                         WARN("waveOutOpen failed\n");
 386                         goto done;
 387                 }
 388         } else if (dsound->hwbuf) {
 389                 err = IDsDriverBuffer_SetFormat(dsound->hwbuf, dsound->pwfx);
 390                 if (err == DSERR_BUFFERLOST) {
 391                         /* Wine-only: the driver wants us to recreate the HW buffer */
 392                         IDsDriverBuffer_Release(dsound->hwbuf);
 393                         err = IDsDriver_CreateSoundBuffer(dsound->driver,dsound->pwfx,
 394                                                           DSBCAPS_PRIMARYBUFFER,0,
 395                                                           &(dsound->buflen),&(dsound->buffer),
 396                                                           (LPVOID)&(dsound->hwbuf));
 397                         if (err != DS_OK) {
 398                                 WARN("IDsDriver_CreateSoundBuffer failed\n");
 399                                 goto done;
 400                         }
 401                         if (dsound->state == STATE_PLAYING) dsound->state = STATE_STARTING;
 402                         else if (dsound->state == STATE_STOPPING) dsound->state = STATE_STOPPED;
 403                 } else {
 404                         WARN("IDsDriverBuffer_SetFormat failed\n");
 405                         goto done;
 406                 }
 407                 /* FIXME: should we set err back to DS_OK in all cases ? */
 408         }
 409         DSOUND_RecalcPrimary(dsound);
 410
 411         if (nSamplesPerSec != dsound->pwfx->nSamplesPerSec) {
 412                 IDirectSoundBufferImpl** dsb = dsound->buffers;
 413                 for (i = 0; i < dsound->nrofbuffers; i++, dsb++) {
 414                         /* **** */
 415                         EnterCriticalSection(&((*dsb)->lock));
 416
 417                         (*dsb)->freqAdjust = ((*dsb)->freq << DSOUND_FREQSHIFT) /
 418                                 wfex->nSamplesPerSec;
 419
 420                         LeaveCriticalSection(&((*dsb)->lock));
 421                         /* **** */
 422                 }
 423         }
 424
 425 done:
 426         LeaveCriticalSection(&(dsound->mixlock));
 427         RtlReleaseResource(&(dsound->buffer_list_lock));
 428         /* **** */
 429
 430         return err;
 431 }
 432
 433 static HRESULT WINAPI PrimaryBufferImpl_SetVolume(
 434         LPDIRECTSOUNDBUFFER8 iface,LONG vol
 435 ) {
 436         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 437         IDirectSoundImpl* dsound = This->dsound;
 438         DWORD ampfactors;
 439         DSVOLUMEPAN volpan;
 440         HRESULT hres = DS_OK;
 441
 442         TRACE("(%p,%ld)\n",This,vol);
 443
 444         if (!(This->dsound->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 445                 WARN("control unavailable\n");
 446                 return DSERR_CONTROLUNAVAIL;
 447         }
 448
 449         if ((vol > DSBVOLUME_MAX) || (vol < DSBVOLUME_MIN)) {
 450                 WARN("invalid parameter: vol = %ld\n", vol);
 451                 return DSERR_INVALIDPARAM;
 452         }
 453
 454         /* **** */
 455         EnterCriticalSection(&(dsound->mixlock));
 456
 457         waveOutGetVolume(dsound->hwo, &ampfactors);
 458         volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 459         volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 460         DSOUND_AmpFactorToVolPan(&volpan);
 461         if (vol != volpan.lVolume) {
 462             volpan.lVolume=vol;
 463             DSOUND_RecalcVolPan(&volpan);
 464             if (dsound->hwbuf) {
 465                 hres = IDsDriverBuffer_SetVolumePan(dsound->hwbuf, &volpan);
 466                 if (hres != DS_OK)
 467                     WARN("IDsDriverBuffer_SetVolumePan failed\n");
 468             } else {
 469                 ampfactors = (volpan.dwTotalLeftAmpFactor & 0xffff) | (volpan.dwTotalRightAmpFactor << 16);
 470                 waveOutSetVolume(dsound->hwo, ampfactors);
 471             }
 472         }
 473
 474         LeaveCriticalSection(&(dsound->mixlock));
 475         /* **** */
 476
 477         return hres;
 478 }
 479
 480 static HRESULT WINAPI PrimaryBufferImpl_GetVolume(
 481         LPDIRECTSOUNDBUFFER8 iface,LPLONG vol
 482 ) {
 483         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 484         DWORD ampfactors;
 485         DSVOLUMEPAN volpan;
 486         TRACE("(%p,%p)\n",This,vol);
 487
 488         if (!(This->dsound->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 489                 WARN("control unavailable\n");
 490                 return DSERR_CONTROLUNAVAIL;
 491         }
 492
 493         if (vol == NULL) {
 494                 WARN("invalid parameter: vol = NULL\n");
 495                 return DSERR_INVALIDPARAM;
 496         }
 497
 498         waveOutGetVolume(This->dsound->hwo, &ampfactors);
 499         volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 500         volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 501         DSOUND_AmpFactorToVolPan(&volpan);
 502         *vol = volpan.lVolume;
 503         return DS_OK;
 504 }
 505
 506 static HRESULT WINAPI PrimaryBufferImpl_SetFrequency(
 507         LPDIRECTSOUNDBUFFER8 iface,DWORD freq
 508 ) {
 509         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 510
 511         TRACE("(%p,%ld)\n",This,freq);
 512
 513         /* You cannot set the frequency of the primary buffer */
 514         WARN("control unavailable\n");
 515         return DSERR_CONTROLUNAVAIL;
 516 }
 517
 518 static HRESULT WINAPI PrimaryBufferImpl_Play(
 519         LPDIRECTSOUNDBUFFER8 iface,DWORD reserved1,DWORD reserved2,DWORD flags
 520 ) {
 521         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 522         IDirectSoundImpl* dsound = This->dsound;
 523
 524         TRACE("(%p,%08lx,%08lx,%08lx)\n",
 525                 This,reserved1,reserved2,flags
 526         );
 527
 528         if (!(flags & DSBPLAY_LOOPING)) {
 529                 WARN("invalid parameter: flags = %08lx\n", flags);
 530                 return DSERR_INVALIDPARAM;
 531         }
 532
 533         /* **** */
 534         EnterCriticalSection(&(dsound->mixlock));
 535
 536         if (dsound->state == STATE_STOPPED)
 537                 dsound->state = STATE_STARTING;
 538         else if (dsound->state == STATE_STOPPING)
 539                 dsound->state = STATE_PLAYING;
 540
 541         LeaveCriticalSection(&(dsound->mixlock));
 542         /* **** */
 543
 544         return DS_OK;
 545 }
 546
 547 static HRESULT WINAPI PrimaryBufferImpl_Stop(LPDIRECTSOUNDBUFFER8 iface)
 548 {
 549         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 550         IDirectSoundImpl* dsound = This->dsound;
 551
 552         TRACE("(%p)\n",This);
 553
 554         /* **** */
 555         EnterCriticalSection(&(dsound->mixlock));
 556
 557         if (dsound->state == STATE_PLAYING)
 558                 dsound->state = STATE_STOPPING;
 559         else if (dsound->state == STATE_STARTING)
 560                 dsound->state = STATE_STOPPED;
 561
 562         LeaveCriticalSection(&(dsound->mixlock));
 563         /* **** */
 564
 565         return DS_OK;
 566 }
 567
 568 static ULONG WINAPI PrimaryBufferImpl_AddRef(LPDIRECTSOUNDBUFFER8 iface)
 569 {
 570     PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 571     ULONG ref = InterlockedIncrement(&(This->ref));
 572     TRACE("(%p) ref was %ld\n", This, ref - 1);
 573     return ref;
 574 }
 575
 576 static ULONG WINAPI PrimaryBufferImpl_Release(LPDIRECTSOUNDBUFFER8 iface)
 577 {
 578     PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 579     DWORD ref = InterlockedDecrement(&(This->ref));
 580     TRACE("(%p) ref was %ld\n", This, ref + 1);
 581
 582     if (!ref) {
 583         This->dsound->primary = NULL;
 584         HeapFree(GetProcessHeap(), 0, This);
 585         TRACE("(%p) released\n", This);
 586     }
 587     return ref;
 588 }
 589
 590 static HRESULT WINAPI PrimaryBufferImpl_GetCurrentPosition(
 591         LPDIRECTSOUNDBUFFER8 iface,LPDWORD playpos,LPDWORD writepos
 592 ) {
 593         HRESULT hres;
 594         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 595         IDirectSoundImpl* dsound = This->dsound;
 596
 597         TRACE("(%p,%p,%p)\n",This,playpos,writepos);
 598         hres = DSOUND_PrimaryGetPosition(dsound, playpos, writepos);
 599         if (hres != DS_OK) {
 600                 WARN("DSOUND_PrimaryGetPosition failed\n");
 601                 return hres;
 602         }
 603         if (writepos) {
 604                 if (dsound->state != STATE_STOPPED)
 605                         /* apply the documented 10ms lead to writepos */
 606                         *writepos += dsound->writelead;
 607                 while (*writepos >= dsound->buflen) *writepos -= dsound->buflen;
 608         }
 609         TRACE("playpos = %ld, writepos = %ld (%p, time=%ld)\n", playpos?*playpos:0, writepos?*writepos:0, This, GetTickCount());
 610         return DS_OK;
 611 }
 612
 613 static HRESULT WINAPI PrimaryBufferImpl_GetStatus(
 614         LPDIRECTSOUNDBUFFER8 iface,LPDWORD status
 615 ) {
 616         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 617         TRACE("(%p,%p), thread is %04lx\n",This,status,GetCurrentThreadId());
 618
 619         if (status == NULL) {
 620                 WARN("invalid parameter: status == NULL\n");
 621                 return DSERR_INVALIDPARAM;
 622         }
 623
 624         *status = 0;
 625         if ((This->dsound->state == STATE_STARTING) ||
 626             (This->dsound->state == STATE_PLAYING))
 627                 *status |= DSBSTATUS_PLAYING | DSBSTATUS_LOOPING;
 628
 629         TRACE("status=%lx\n", *status);
 630         return DS_OK;
 631 }
 632
 633
 634 static HRESULT WINAPI PrimaryBufferImpl_GetFormat(
 635     LPDIRECTSOUNDBUFFER8 iface,
 636     LPWAVEFORMATEX lpwf,
 637     DWORD wfsize,
 638     LPDWORD wfwritten)
 639 {
 640     DWORD size;
 641     PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 642     TRACE("(%p,%p,%ld,%p)\n",This,lpwf,wfsize,wfwritten);
 643
 644     size = sizeof(WAVEFORMATEX) + This->dsound->pwfx->cbSize;
 645
 646     if (lpwf) { /* NULL is valid */
 647         if (wfsize >= size) {
 648             CopyMemory(lpwf,This->dsound->pwfx,size);
 649             if (wfwritten)
 650                 *wfwritten = size;
 651         } else {
 652             WARN("invalid parameter: wfsize too small\n");
 653             if (wfwritten)
 654                 *wfwritten = 0;
 655             return DSERR_INVALIDPARAM;
 656         }
 657     } else {
 658         if (wfwritten)
 659             *wfwritten = sizeof(WAVEFORMATEX) + This->dsound->pwfx->cbSize;
 660         else {
 661             WARN("invalid parameter: wfwritten == NULL\n");
 662             return DSERR_INVALIDPARAM;
 663         }
 664     }
 665
 666     return DS_OK;
 667 }
 668
 669 static HRESULT WINAPI PrimaryBufferImpl_Lock(
 670         LPDIRECTSOUNDBUFFER8 iface,DWORD writecursor,DWORD writebytes,LPVOID lplpaudioptr1,LPDWORD audiobytes1,LPVOID lplpaudioptr2,LPDWORD audiobytes2,DWORD flags
 671 ) {
 672         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 673         IDirectSoundImpl* dsound = This->dsound;
 674
 675         TRACE("(%p,%ld,%ld,%p,%p,%p,%p,0x%08lx) at %ld\n",
 676                 This,
 677                 writecursor,
 678                 writebytes,
 679                 lplpaudioptr1,
 680                 audiobytes1,
 681                 lplpaudioptr2,
 682                 audiobytes2,
 683                 flags,
 684                 GetTickCount()
 685         );
 686
 687         if (dsound->priolevel != DSSCL_WRITEPRIMARY) {
 688                 WARN("failed priority check!\n");
 689                 return DSERR_PRIOLEVELNEEDED;
 690         }
 691
 692         if (flags & DSBLOCK_FROMWRITECURSOR) {
 693                 DWORD writepos;
 694                 HRESULT hres;
 695                 /* GetCurrentPosition does too much magic to duplicate here */
 696                 hres = IDirectSoundBuffer_GetCurrentPosition(iface, NULL, &writepos);
 697                 if (hres != DS_OK) {
 698                         WARN("IDirectSoundBuffer_GetCurrentPosition failed\n");
 699                         return hres;
 700                 }
 701                 writecursor += writepos;
 702         }
 703         while (writecursor >= dsound->buflen)
 704                 writecursor -= dsound->buflen;
 705         if (flags & DSBLOCK_ENTIREBUFFER)
 706                 writebytes = dsound->buflen;
 707         if (writebytes > dsound->buflen)
 708                 writebytes = dsound->buflen;
 709
 710         if (!(dsound->drvdesc.dwFlags & DSDDESC_DONTNEEDPRIMARYLOCK) && dsound->hwbuf) {
 711                 HRESULT hres;
 712                 hres = IDsDriverBuffer_Lock(dsound->hwbuf,
 713                                             lplpaudioptr1, audiobytes1,
 714                                             lplpaudioptr2, audiobytes2,
 715                                             writecursor, writebytes,
 716                                             0);
 717                 if (hres != DS_OK) {
 718                         WARN("IDsDriverBuffer_Lock failed\n");
 719                         return hres;
 720                 }
 721         } else {
 722                 if (writecursor+writebytes <= dsound->buflen) {
 723                         *(LPBYTE*)lplpaudioptr1 = dsound->buffer+writecursor;
 724                         *audiobytes1 = writebytes;
 725                         if (lplpaudioptr2)
 726                                 *(LPBYTE*)lplpaudioptr2 = NULL;
 727                         if (audiobytes2)
 728                                 *audiobytes2 = 0;
 729                         TRACE("->%ld.0\n",writebytes);
 730                 } else {
 731                         *(LPBYTE*)lplpaudioptr1 = dsound->buffer+writecursor;
 732                         *audiobytes1 = dsound->buflen-writecursor;
 733                         if (lplpaudioptr2)
 734                                 *(LPBYTE*)lplpaudioptr2 = dsound->buffer;
 735                         if (audiobytes2)
 736                                 *audiobytes2 = writebytes-(dsound->buflen-writecursor);
 737                         TRACE("->%ld.%ld\n",*audiobytes1,audiobytes2?*audiobytes2:0);
 738                 }
 739         }
 740         return DS_OK;
 741 }
 742
 743 static HRESULT WINAPI PrimaryBufferImpl_SetCurrentPosition(
 744         LPDIRECTSOUNDBUFFER8 iface,DWORD newpos
 745 ) {
 746         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 747         TRACE("(%p,%ld)\n",This,newpos);
 748
 749         /* You cannot set the position of the primary buffer */
 750         WARN("invalid call\n");
 751         return DSERR_INVALIDCALL;
 752 }
 753
 754 static HRESULT WINAPI PrimaryBufferImpl_SetPan(
 755         LPDIRECTSOUNDBUFFER8 iface,LONG pan
 756 ) {
 757         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 758         IDirectSoundImpl* dsound = This->dsound;
 759         DWORD ampfactors;
 760         DSVOLUMEPAN volpan;
 761         HRESULT hres = DS_OK;
 762
 763         TRACE("(%p,%ld)\n",This,pan);
 764
 765         if (!(This->dsound->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
 766                 WARN("control unavailable\n");
 767                 return DSERR_CONTROLUNAVAIL;
 768         }
 769
 770         if ((pan > DSBPAN_RIGHT) || (pan < DSBPAN_LEFT)) {
 771                 WARN("invalid parameter: pan = %ld\n", pan);
 772                 return DSERR_INVALIDPARAM;
 773         }
 774
 775         /* **** */
 776         EnterCriticalSection(&(dsound->mixlock));
 777
 778         waveOutGetVolume(dsound->hwo, &ampfactors);
 779         volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 780         volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 781         DSOUND_AmpFactorToVolPan(&volpan);
 782         if (pan != volpan.lPan) {
 783             volpan.lPan=pan;
 784             DSOUND_RecalcVolPan(&volpan);
 785             if (dsound->hwbuf) {
 786                 hres = IDsDriverBuffer_SetVolumePan(dsound->hwbuf, &volpan);
 787                 if (hres != DS_OK)
 788                     WARN("IDsDriverBuffer_SetVolumePan failed\n");
 789             } else {
 790                 ampfactors = (volpan.dwTotalLeftAmpFactor & 0xffff) | (volpan.dwTotalRightAmpFactor << 16);
 791                 waveOutSetVolume(dsound->hwo, ampfactors);
 792             }
 793         }
 794
 795         LeaveCriticalSection(&(dsound->mixlock));
 796         /* **** */
 797
 798         return hres;
 799 }
 800
 801 static HRESULT WINAPI PrimaryBufferImpl_GetPan(
 802         LPDIRECTSOUNDBUFFER8 iface,LPLONG pan
 803 ) {
 804         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 805         DWORD ampfactors;
 806         DSVOLUMEPAN volpan;
 807         TRACE("(%p,%p)\n",This,pan);
 808
 809         if (!(This->dsound->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
 810                 WARN("control unavailable\n");
 811                 return DSERR_CONTROLUNAVAIL;
 812         }
 813
 814         if (pan == NULL) {
 815                 WARN("invalid parameter: pan == NULL\n");
 816                 return DSERR_INVALIDPARAM;
 817         }
 818
 819         waveOutGetVolume(This->dsound->hwo, &ampfactors);
 820         volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 821         volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 822         DSOUND_AmpFactorToVolPan(&volpan);
 823         *pan = volpan.lPan;
 824         return DS_OK;
 825 }
 826
 827 static HRESULT WINAPI PrimaryBufferImpl_Unlock(
 828         LPDIRECTSOUNDBUFFER8 iface,LPVOID p1,DWORD x1,LPVOID p2,DWORD x2
 829 ) {
 830         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 831         IDirectSoundImpl* dsound = This->dsound;
 832
 833         TRACE("(%p,%p,%ld,%p,%ld)\n", This,p1,x1,p2,x2);
 834
 835         if (dsound->priolevel != DSSCL_WRITEPRIMARY) {
 836                 WARN("failed priority check!\n");
 837                 return DSERR_PRIOLEVELNEEDED;
 838         }
 839
 840         if (!(dsound->drvdesc.dwFlags & DSDDESC_DONTNEEDPRIMARYLOCK) && dsound->hwbuf) {
 841                 HRESULT hres;
 842
 843                 hres = IDsDriverBuffer_Unlock(dsound->hwbuf, p1, x1, p2, x2);
 844                 if (hres != DS_OK) {
 845                         WARN("IDsDriverBuffer_Unlock failed\n");
 846                         return hres;
 847                 }
 848         }
 849
 850         return DS_OK;
 851 }
 852
 853 static HRESULT WINAPI PrimaryBufferImpl_Restore(
 854         LPDIRECTSOUNDBUFFER8 iface
 855 ) {
 856         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 857         FIXME("(%p):stub\n",This);
 858         return DS_OK;
 859 }
 860
 861 static HRESULT WINAPI PrimaryBufferImpl_GetFrequency(
 862         LPDIRECTSOUNDBUFFER8 iface,LPDWORD freq
 863 ) {
 864         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 865         TRACE("(%p,%p)\n",This,freq);
 866
 867         if (freq == NULL) {
 868                 WARN("invalid parameter: freq == NULL\n");
 869                 return DSERR_INVALIDPARAM;
 870         }
 871
 872         if (!(This->dsound->dsbd.dwFlags & DSBCAPS_CTRLFREQUENCY)) {
 873                 WARN("control unavailable\n");
 874                 return DSERR_CONTROLUNAVAIL;
 875         }
 876
 877         *freq = This->dsound->pwfx->nSamplesPerSec;
 878         TRACE("-> %ld\n", *freq);
 879
 880         return DS_OK;
 881 }
 882
 883 static HRESULT WINAPI PrimaryBufferImpl_SetFX(
 884         LPDIRECTSOUNDBUFFER8 iface,DWORD dwEffectsCount,LPDSEFFECTDESC pDSFXDesc,LPDWORD pdwResultCodes
 885 ) {
 886         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 887         DWORD u;
 888
 889         FIXME("(%p,%lu,%p,%p): stub\n",This,dwEffectsCount,pDSFXDesc,pdwResultCodes);
 890
 891         if (pdwResultCodes)
 892                 for (u=0; u<dwEffectsCount; u++) pdwResultCodes[u] = DSFXR_UNKNOWN;
 893
 894         WARN("control unavailable\n");
 895         return DSERR_CONTROLUNAVAIL;
 896 }
 897
 898 static HRESULT WINAPI PrimaryBufferImpl_AcquireResources(
 899         LPDIRECTSOUNDBUFFER8 iface,DWORD dwFlags,DWORD dwEffectsCount,LPDWORD pdwResultCodes
 900 ) {
 901         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 902         DWORD u;
 903
 904         FIXME("(%p,%08lu,%lu,%p): stub\n",This,dwFlags,dwEffectsCount,pdwResultCodes);
 905
 906         if (pdwResultCodes)
 907                 for (u=0; u<dwEffectsCount; u++) pdwResultCodes[u] = DSFXR_UNKNOWN;
 908
 909         WARN("control unavailable\n");
 910         return DSERR_CONTROLUNAVAIL;
 911 }
 912
 913 static HRESULT WINAPI PrimaryBufferImpl_GetObjectInPath(
 914         LPDIRECTSOUNDBUFFER8 iface,REFGUID rguidObject,DWORD dwIndex,REFGUID rguidInterface,LPVOID* ppObject
 915 ) {
 916         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 917
 918         FIXME("(%p,%s,%lu,%s,%p): stub\n",This,debugstr_guid(rguidObject),dwIndex,debugstr_guid(rguidInterface),ppObject);
 919
 920         WARN("control unavailable\n");
 921         return DSERR_CONTROLUNAVAIL;
 922 }
 923
 924 static HRESULT WINAPI PrimaryBufferImpl_Initialize(
 925         LPDIRECTSOUNDBUFFER8 iface,LPDIRECTSOUND dsound,LPCDSBUFFERDESC dbsd
 926 ) {
 927         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 928         FIXME("(%p,%p,%p):stub\n",This,dsound,dbsd);
 929         DPRINTF("Re-Init!!!\n");
 930         WARN("already initialized\n");
 931         return DSERR_ALREADYINITIALIZED;
 932 }
 933
 934 static HRESULT WINAPI PrimaryBufferImpl_GetCaps(
 935         LPDIRECTSOUNDBUFFER8 iface,LPDSBCAPS caps
 936 ) {
 937         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 938         TRACE("(%p)->(%p)\n",This,caps);
 939
 940         if (caps == NULL) {
 941                 WARN("invalid parameter: caps == NULL\n");
 942                 return DSERR_INVALIDPARAM;
 943         }
 944
 945         if (caps->dwSize < sizeof(*caps)) {
 946                 WARN("invalid parameter: caps->dwSize = %ld: < %d\n", caps->dwSize, sizeof(*caps));
 947                 return DSERR_INVALIDPARAM;
 948         }
 949
 950         caps->dwFlags = This->dsound->dsbd.dwFlags;
 951         if (This->dsound->hwbuf) caps->dwFlags |= DSBCAPS_LOCHARDWARE;
 952         else caps->dwFlags |= DSBCAPS_LOCSOFTWARE;
 953
 954         caps->dwBufferBytes = This->dsound->buflen;
 955
 956         /* This value represents the speed of the "unlock" command.
 957            As unlock is quite fast (it does not do anything), I put
 958            4096 ko/s = 4 Mo / s */
 959         /* FIXME: hwbuf speed */
 960         caps->dwUnlockTransferRate = 4096;
 961         caps->dwPlayCpuOverhead = 0;
 962
 963         return DS_OK;
 964 }
 965
 966 static HRESULT WINAPI PrimaryBufferImpl_QueryInterface(
 967         LPDIRECTSOUNDBUFFER8 iface,REFIID riid,LPVOID *ppobj
 968 ) {
 969         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 970         TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
 971
 972         if (ppobj == NULL) {
 973                 WARN("invalid parameter\n");
 974                 return E_INVALIDARG;
 975         }
 976
 977         *ppobj = NULL;  /* assume failure */
 978
 979         if ( IsEqualGUID(riid, &IID_IUnknown) ||
 980              IsEqualGUID(riid, &IID_IDirectSoundBuffer) ) {
 981                 IDirectSoundBuffer_AddRef((LPDIRECTSOUNDBUFFER)This);
 982                 *ppobj = This;
 983                 return S_OK;
 984         }
 985
 986         /* DirectSoundBuffer and DirectSoundBuffer8 are different and */
 987         /* a primary buffer can't have a DirectSoundBuffer8 interface */
 988         if ( IsEqualGUID( &IID_IDirectSoundBuffer8, riid ) ) {
 989                 WARN("app requested DirectSoundBuffer8 on primary buffer\n");
 990                 return E_NOINTERFACE;
 991         }
 992
 993         if ( IsEqualGUID( &IID_IDirectSoundNotify, riid ) ) {
 994                 ERR("app requested IDirectSoundNotify on primary buffer\n");
 995                 /* FIXME: should we support this? */
 996                 return E_NOINTERFACE;
 997         }
 998
 999         if ( IsEqualGUID( &IID_IDirectSound3DBuffer, riid ) ) {
1000                 ERR("app requested IDirectSound3DBuffer on primary buffer\n");
1001                 return E_NOINTERFACE;
1002         }
1003
1004         if ( IsEqualGUID( &IID_IDirectSound3DListener, riid ) ) {
1005                 if (!This->dsound->listener)
1006                         IDirectSound3DListenerImpl_Create(This, &This->dsound->listener);
1007                 if (This->dsound->listener) {
1008                         *ppobj = This->dsound->listener;
1009                         IDirectSound3DListener_AddRef((LPDIRECTSOUND3DLISTENER)*ppobj);
1010                         return S_OK;
1011                 }
1012
1013                 WARN("IID_IDirectSound3DListener failed\n");
1014                 return E_NOINTERFACE;
1015         }
1016
1017         if ( IsEqualGUID( &IID_IKsPropertySet, riid ) ) {
1018                 FIXME("app requested IKsPropertySet on primary buffer\n");
1019                 return E_NOINTERFACE;
1020         }
1021
1022         FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
1023         return E_NOINTERFACE;
1024 }
1025
1026 static IDirectSoundBuffer8Vtbl dspbvt =
1027 {
1028         PrimaryBufferImpl_QueryInterface,
1029         PrimaryBufferImpl_AddRef,
1030         PrimaryBufferImpl_Release,
1031         PrimaryBufferImpl_GetCaps,
1032         PrimaryBufferImpl_GetCurrentPosition,
1033         PrimaryBufferImpl_GetFormat,
1034         PrimaryBufferImpl_GetVolume,
1035         PrimaryBufferImpl_GetPan,
1036         PrimaryBufferImpl_GetFrequency,
1037         PrimaryBufferImpl_GetStatus,
1038         PrimaryBufferImpl_Initialize,
1039         PrimaryBufferImpl_Lock,
1040         PrimaryBufferImpl_Play,
1041         PrimaryBufferImpl_SetCurrentPosition,
1042         PrimaryBufferImpl_SetFormat,
1043         PrimaryBufferImpl_SetVolume,
1044         PrimaryBufferImpl_SetPan,
1045         PrimaryBufferImpl_SetFrequency,
1046         PrimaryBufferImpl_Stop,
1047         PrimaryBufferImpl_Unlock,
1048         PrimaryBufferImpl_Restore,
1049         PrimaryBufferImpl_SetFX,
1050         PrimaryBufferImpl_AcquireResources,
1051         PrimaryBufferImpl_GetObjectInPath
1052 };
1053
1054 HRESULT WINAPI PrimaryBufferImpl_Create(
1055         IDirectSoundImpl *ds,
1056         PrimaryBufferImpl **pdsb,
1057         LPCDSBUFFERDESC dsbd)
1058 {
1059         PrimaryBufferImpl *dsb;
1060
1061         TRACE("%p,%p,%p)\n",ds,pdsb,dsbd);
1062
1063         if (dsbd->lpwfxFormat) {
1064                 WARN("invalid parameter: dsbd->lpwfxFormat != NULL\n");
1065                 *pdsb = NULL;
1066                 return DSERR_INVALIDPARAM;
1067         }
1068
1069         dsb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*dsb));
1070
1071         if (dsb == NULL) {
1072                 WARN("out of memory\n");
1073                 *pdsb = NULL;
1074                 return DSERR_OUTOFMEMORY;
1075         }
1076
1077         dsb->ref = 0;
1078         dsb->dsound = ds;
1079         dsb->lpVtbl = &dspbvt;
1080
1081         CopyMemory(&ds->dsbd, dsbd, sizeof(*dsbd));
1082
1083         TRACE("Created primary buffer at %p\n", dsb);
1084         TRACE("(formattag=0x%04x,chans=%d,samplerate=%ld,"
1085                 "bytespersec=%ld,blockalign=%d,bitspersamp=%d,cbSize=%d)\n",
1086                 ds->pwfx->wFormatTag, ds->pwfx->nChannels, ds->pwfx->nSamplesPerSec,
1087                 ds->pwfx->nAvgBytesPerSec, ds->pwfx->nBlockAlign,
1088                 ds->pwfx->wBitsPerSample, ds->pwfx->cbSize);
1089
1090         *pdsb = dsb;
1091         return S_OK;
1092 }