dlls/dsound/primary.c

   1 /*                      DirectSound
   2  *
   3  * Copyright 1998 Marcus Meissner
   4  * Copyright 1998 Rob Riggs
   5  * Copyright 2000-2002 TransGaming Technologies, Inc.
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 #include "config.h"
  23 #include <assert.h>
  24 #include <stdio.h>
  25 #include <sys/types.h>
  26 #include <sys/fcntl.h>
  27 #ifdef HAVE_UNISTD_H
  28 # include <unistd.h>
  29 #endif
  30 #include <stdlib.h>
  31 #include <string.h>
  32 #include <math.h>       /* Insomnia - pow() function */
  33
  34 #include "windef.h"
  35 #include "winbase.h"
  36 #include "wingdi.h"
  37 #include "winuser.h"
  38 #include "winerror.h"
  39 #include "mmsystem.h"
  40 #include "winternl.h"
  41 #include "mmddk.h"
  42 #include "wine/windef16.h"
  43 #include "wine/debug.h"
  44 #include "dsound.h"
  45 #include "dsdriver.h"
  46 #include "dsound_private.h"
  47
  48 WINE_DEFAULT_DEBUG_CHANNEL(dsound);
  49
  50 static HRESULT mmErr(UINT err)
  51 {
  52         switch(err) {
  53         case MMSYSERR_NOERROR:
  54                 return DS_OK;
  55         case MMSYSERR_ALLOCATED:
  56                 return DSERR_ALLOCATED;
  57         case MMSYSERR_INVALHANDLE:
  58                 return DSERR_GENERIC; /* FIXME */
  59         case MMSYSERR_NODRIVER:
  60                 return DSERR_NODRIVER;
  61         case MMSYSERR_NOMEM:
  62                 return DSERR_OUTOFMEMORY;
  63         case MMSYSERR_INVALPARAM:
  64                 return DSERR_INVALIDPARAM;
  65         default:
  66                 FIXME("Unknown MMSYS error %d\n",err);
  67                 return DSERR_GENERIC;
  68         }
  69 }
  70
  71 void DSOUND_RecalcPrimary(IDirectSoundImpl *This)
  72 {
  73         DWORD sw;
  74
  75         sw = This->wfx.nChannels * (This->wfx.wBitsPerSample / 8);
  76         if (This->hwbuf) {
  77                 DWORD fraglen;
  78                 /* let fragment size approximate the timer delay */
  79                 fraglen = (This->wfx.nSamplesPerSec * DS_TIME_DEL / 1000) * sw;
  80                 /* reduce fragment size until an integer number of them fits in the buffer */
  81                 /* (FIXME: this may or may not be a good idea) */
  82                 while (This->buflen % fraglen) fraglen -= sw;
  83                 This->fraglen = fraglen;
  84                 TRACE("fraglen=%ld\n", This->fraglen);
  85         }
  86         /* calculate the 10ms write lead */
  87         This->writelead = (This->wfx.nSamplesPerSec / 100) * sw;
  88 }
  89
  90 static HRESULT DSOUND_PrimaryOpen(IDirectSoundImpl *This)
  91 {
  92         HRESULT err = DS_OK;
  93
  94         /* are we using waveOut stuff? */
  95         if (!This->hwbuf) {
  96                 LPBYTE newbuf;
  97                 DWORD buflen;
  98                 HRESULT merr = DS_OK;
  99                 /* Start in pause mode, to allow buffers to get filled */
 100                 waveOutPause(This->hwo);
 101                 if (This->state == STATE_PLAYING) This->state = STATE_STARTING;
 102                 else if (This->state == STATE_STOPPING) This->state = STATE_STOPPED;
 103                 /* use fragments of 10ms (1/100s) each (which should get us within
 104                  * the documented write cursor lead of 10-15ms) */
 105                 buflen = ((This->wfx.nAvgBytesPerSec / 100) & ~3) * DS_HEL_FRAGS;
 106                 TRACE("desired buflen=%ld, old buffer=%p\n", buflen, This->buffer);
 107                 /* reallocate emulated primary buffer */
 108                 newbuf = (LPBYTE)HeapReAlloc(GetProcessHeap(),0,This->buffer,buflen);
 109                 if (newbuf == NULL) {
 110                         ERR("failed to allocate primary buffer\n");
 111                         merr = DSERR_OUTOFMEMORY;
 112                         /* but the old buffer might still exists and must be re-prepared */
 113                 } else {
 114                         This->buffer = newbuf;
 115                         This->buflen = buflen;
 116                 }
 117                 if (This->buffer) {
 118                         unsigned c;
 119
 120                         This->fraglen = This->buflen / DS_HEL_FRAGS;
 121
 122                         /* prepare fragment headers */
 123                         for (c=0; c<DS_HEL_FRAGS; c++) {
 124                                 This->pwave[c]->lpData = This->buffer + c*This->fraglen;
 125                                 This->pwave[c]->dwBufferLength = This->fraglen;
 126                                 This->pwave[c]->dwUser = (DWORD)This;
 127                                 This->pwave[c]->dwFlags = 0;
 128                                 This->pwave[c]->dwLoops = 0;
 129                                 err = mmErr(waveOutPrepareHeader(This->hwo,This->pwave[c],sizeof(WAVEHDR)));
 130                                 if (err != DS_OK) {
 131                                         while (c--)
 132                                                 waveOutUnprepareHeader(This->hwo,This->pwave[c],sizeof(WAVEHDR));
 133                                         break;
 134                                 }
 135                         }
 136
 137                         This->pwplay = 0;
 138                         This->pwwrite = 0;
 139                         This->pwqueue = 0;
 140                         memset(This->buffer, (This->wfx.wBitsPerSample == 16) ? 0 : 128, This->buflen);
 141                         TRACE("fraglen=%ld\n", This->fraglen);
 142                         DSOUND_WaveQueue(This, (DWORD)-1);
 143                 }
 144                 if ((err == DS_OK) && (merr != DS_OK))
 145                         err = merr;
 146         }
 147         return err;
 148 }
 149
 150
 151 static void DSOUND_PrimaryClose(IDirectSoundImpl *This)
 152 {
 153         /* are we using waveOut stuff? */
 154         if (!This->hwbuf) {
 155                 unsigned c;
 156
 157                 This->pwqueue = (DWORD)-1; /* resetting queues */
 158                 waveOutReset(This->hwo);
 159                 for (c=0; c<DS_HEL_FRAGS; c++)
 160                         waveOutUnprepareHeader(This->hwo, This->pwave[c], sizeof(WAVEHDR));
 161                 This->pwqueue = 0;
 162         }
 163 }
 164
 165 HRESULT DSOUND_PrimaryCreate(IDirectSoundImpl *This)
 166 {
 167         HRESULT err = DS_OK;
 168
 169         This->buflen = This->wfx.nAvgBytesPerSec;
 170
 171         /* FIXME: verify that hardware capabilities (DSCAPS_PRIMARY flags) match */
 172
 173         if (This->driver) {
 174                 err = IDsDriver_CreateSoundBuffer(This->driver,&(This->wfx),
 175                                                   DSBCAPS_PRIMARYBUFFER,0,
 176                                                   &(This->buflen),&(This->buffer),
 177                                                   (LPVOID*)&(This->hwbuf));
 178         }
 179         if (err == DS_OK)
 180                 err = DSOUND_PrimaryOpen(This);
 181         if (err != DS_OK)
 182                 return err;
 183         /* calculate fragment size and write lead */
 184         DSOUND_RecalcPrimary(This);
 185         This->state = STATE_STOPPED;
 186         return DS_OK;
 187 }
 188
 189 HRESULT DSOUND_PrimaryDestroy(IDirectSoundImpl *This)
 190 {
 191         DSOUND_PrimaryClose(This);
 192         if (This->hwbuf) {
 193                 IDsDriverBuffer_Release(This->hwbuf);
 194         }
 195         return DS_OK;
 196 }
 197
 198 HRESULT DSOUND_PrimaryPlay(IDirectSoundImpl *This)
 199 {
 200         HRESULT err = DS_OK;
 201         if (This->hwbuf)
 202                 err = IDsDriverBuffer_Play(This->hwbuf, 0, 0, DSBPLAY_LOOPING);
 203         else
 204                 err = mmErr(waveOutRestart(This->hwo));
 205         return err;
 206 }
 207
 208 HRESULT DSOUND_PrimaryStop(IDirectSoundImpl *This)
 209 {
 210         HRESULT err = DS_OK;
 211
 212         TRACE("\n");
 213
 214         if (This->hwbuf) {
 215                 err = IDsDriverBuffer_Stop(This->hwbuf);
 216                 if (err == DSERR_BUFFERLOST) {
 217                         /* Wine-only: the driver wants us to reopen the device */
 218                         /* FIXME: check for errors */
 219                         IDsDriverBuffer_Release(This->hwbuf);
 220                         waveOutClose(This->hwo);
 221                         This->hwo = 0;
 222                         err = mmErr(waveOutOpen(&(This->hwo), This->drvdesc.dnDevNode,
 223                                                 &(This->wfx), (DWORD)DSOUND_callback, (DWORD)This,
 224                                                 CALLBACK_FUNCTION | WAVE_DIRECTSOUND));
 225                         if (err == DS_OK)
 226                                 err = IDsDriver_CreateSoundBuffer(This->driver,&(This->wfx),
 227                                                                   DSBCAPS_PRIMARYBUFFER,0,
 228                                                                   &(This->buflen),&(This->buffer),
 229                                                                   (LPVOID)&(This->hwbuf));
 230                 }
 231         }
 232         else
 233                 err = mmErr(waveOutPause(This->hwo));
 234         return err;
 235 }
 236
 237 HRESULT DSOUND_PrimaryGetPosition(IDirectSoundImpl *This, LPDWORD playpos, LPDWORD writepos)
 238 {
 239         if (This->hwbuf) {
 240                 HRESULT err=IDsDriverBuffer_GetPosition(This->hwbuf,playpos,writepos);
 241                 if (err) return err;
 242         }
 243         else {
 244                 if (playpos) {
 245                         MMTIME mtime;
 246                         mtime.wType = TIME_BYTES;
 247                         waveOutGetPosition(This->hwo, &mtime, sizeof(mtime));
 248                         mtime.u.cb = mtime.u.cb % This->buflen;
 249                         *playpos = mtime.u.cb;
 250                 }
 251                 if (writepos) {
 252                         /* the writepos should only be used by apps with WRITEPRIMARY priority,
 253                          * in which case our software mixer is disabled anyway */
 254                         *writepos = (This->pwplay + ds_hel_margin) * This->fraglen;
 255                         while (*writepos >= This->buflen)
 256                                 *writepos -= This->buflen;
 257                 }
 258         }
 259         TRACE("playpos = %ld, writepos = %ld (%p, time=%ld)\n", playpos?*playpos:0, writepos?*writepos:0, This, GetTickCount());
 260         return DS_OK;
 261 }
 262
 263
 264 /*******************************************************************************
 265  *              IDirectSoundBuffer
 266  */
 267 /* This sets this format for the <em>Primary Buffer Only</em> */
 268 /* See file:///cdrom/sdk52/docs/worddoc/dsound.doc page 120 */
 269 static HRESULT WINAPI PrimaryBufferImpl_SetFormat(
 270         LPDIRECTSOUNDBUFFER8 iface,LPWAVEFORMATEX wfex
 271 ) {
 272         ICOM_THIS(PrimaryBufferImpl,iface);
 273         IDirectSoundImpl* dsound = This->dsound;
 274         IDirectSoundBufferImpl** dsb;
 275         HRESULT err = DS_OK;
 276         int                     i;
 277
 278         if (This->dsound->priolevel == DSSCL_NORMAL) {
 279                 TRACE("failed priority check!\n");
 280                 return DSERR_PRIOLEVELNEEDED;
 281         }
 282
 283         /* Let's be pedantic! */
 284         if ((wfex == NULL) ||
 285             (wfex->wFormatTag != WAVE_FORMAT_PCM) ||
 286             (wfex->nChannels < 1) || (wfex->nChannels > 2) ||
 287             (wfex->nSamplesPerSec < 1) ||
 288             (wfex->nBlockAlign < 1) || (wfex->nChannels > 4) ||
 289             ((wfex->wBitsPerSample != 8) && (wfex->wBitsPerSample != 16))) {
 290                 TRACE("failed pedantic check!\n");
 291                 return DSERR_INVALIDPARAM;
 292         }
 293
 294         /* **** */
 295         RtlAcquireResourceExclusive(&(dsound->lock), TRUE);
 296
 297         if (dsound->wfx.nSamplesPerSec != wfex->nSamplesPerSec) {
 298                 dsb = dsound->buffers;
 299                 for (i = 0; i < dsound->nrofbuffers; i++, dsb++) {
 300                         /* **** */
 301                         EnterCriticalSection(&((*dsb)->lock));
 302
 303                         (*dsb)->freqAdjust = ((*dsb)->freq << DSOUND_FREQSHIFT) /
 304                                 wfex->nSamplesPerSec;
 305
 306                         LeaveCriticalSection(&((*dsb)->lock));
 307                         /* **** */
 308                 }
 309         }
 310
 311         memcpy(&(dsound->wfx), wfex, sizeof(dsound->wfx));
 312
 313         TRACE("(formattag=0x%04x,chans=%d,samplerate=%ld,"
 314                    "bytespersec=%ld,blockalign=%d,bitspersamp=%d,cbSize=%d)\n",
 315                    wfex->wFormatTag, wfex->nChannels, wfex->nSamplesPerSec,
 316                    wfex->nAvgBytesPerSec, wfex->nBlockAlign,
 317                    wfex->wBitsPerSample, wfex->cbSize);
 318
 319         dsound->wfx.nAvgBytesPerSec =
 320                 dsound->wfx.nSamplesPerSec * dsound->wfx.nBlockAlign;
 321
 322         if (dsound->drvdesc.dwFlags & DSDDESC_DOMMSYSTEMSETFORMAT) {
 323                 /* FIXME: check for errors */
 324                 DSOUND_PrimaryClose(dsound);
 325                 waveOutClose(dsound->hwo);
 326                 dsound->hwo = 0;
 327                 err = mmErr(waveOutOpen(&(dsound->hwo), dsound->drvdesc.dnDevNode,
 328                                         &(dsound->wfx), (DWORD)DSOUND_callback, (DWORD)dsound,
 329                                         CALLBACK_FUNCTION | WAVE_DIRECTSOUND));
 330                 if (err == DS_OK)
 331                     DSOUND_PrimaryOpen(dsound);
 332         }
 333         if (dsound->hwbuf) {
 334                 err = IDsDriverBuffer_SetFormat(dsound->hwbuf, &(dsound->wfx));
 335                 if (err == DSERR_BUFFERLOST) {
 336                         /* Wine-only: the driver wants us to recreate the HW buffer */
 337                         IDsDriverBuffer_Release(dsound->hwbuf);
 338                         err = IDsDriver_CreateSoundBuffer(dsound->driver,&(dsound->wfx),
 339                                                           DSBCAPS_PRIMARYBUFFER,0,
 340                                                           &(dsound->buflen),&(dsound->buffer),
 341                                                           (LPVOID)&(dsound->hwbuf));
 342                         if (dsound->state == STATE_PLAYING) dsound->state = STATE_STARTING;
 343                         else if (dsound->state == STATE_STOPPING) dsound->state = STATE_STOPPED;
 344                 }
 345                 /* FIXME: should we set err back to DS_OK in all cases ? */
 346         }
 347         DSOUND_RecalcPrimary(dsound);
 348
 349         RtlReleaseResource(&(dsound->lock));
 350         /* **** */
 351
 352         return err;
 353 }
 354
 355 static HRESULT WINAPI PrimaryBufferImpl_SetVolume(
 356         LPDIRECTSOUNDBUFFER8 iface,LONG vol
 357 ) {
 358         ICOM_THIS(PrimaryBufferImpl,iface);
 359         IDirectSoundImpl* dsound = This->dsound;
 360         LONG oldVol;
 361
 362         TRACE("(%p,%ld)\n",This,vol);
 363
 364         /* I'm not sure if we need this for primary buffer */
 365         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLVOLUME))
 366                 return DSERR_CONTROLUNAVAIL;
 367
 368         if ((vol > DSBVOLUME_MAX) || (vol < DSBVOLUME_MIN))
 369                 return DSERR_INVALIDPARAM;
 370
 371         /* **** */
 372         EnterCriticalSection(&(dsound->mixlock));
 373
 374         oldVol = dsound->volpan.lVolume;
 375         dsound->volpan.lVolume = vol;
 376         DSOUND_RecalcVolPan(&dsound->volpan);
 377
 378         if (vol != oldVol) {
 379                 if (dsound->hwbuf) {
 380                         IDsDriverBuffer_SetVolumePan(dsound->hwbuf, &(dsound->volpan));
 381                 }
 382                 else {
 383 #if 0 /* should we really do this? */
 384                         /* the DS volume ranges from 0 (max, 0dB attenuation) to -10000 (min, 100dB attenuation) */
 385                         /* the MM volume ranges from 0 to 0xffff in an unspecified logarithmic scale */
 386                         WORD cvol = 0xffff + vol*6 + vol/2;
 387                         DWORD vol = cvol | ((DWORD)cvol << 16)
 388                         waveOutSetVolume(dsound->hwo, vol);
 389 #endif
 390                 }
 391         }
 392
 393         LeaveCriticalSection(&(dsound->mixlock));
 394         /* **** */
 395
 396         return DS_OK;
 397 }
 398
 399 static HRESULT WINAPI PrimaryBufferImpl_GetVolume(
 400         LPDIRECTSOUNDBUFFER8 iface,LPLONG vol
 401 ) {
 402         ICOM_THIS(PrimaryBufferImpl,iface);
 403         TRACE("(%p,%p)\n",This,vol);
 404
 405         if (vol == NULL)
 406                 return DSERR_INVALIDPARAM;
 407
 408         *vol = This->dsound->volpan.lVolume;
 409         return DS_OK;
 410 }
 411
 412 static HRESULT WINAPI PrimaryBufferImpl_SetFrequency(
 413         LPDIRECTSOUNDBUFFER8 iface,DWORD freq
 414 ) {
 415         ICOM_THIS(PrimaryBufferImpl,iface);
 416
 417         TRACE("(%p,%ld)\n",This,freq);
 418
 419         /* You cannot set the frequency of the primary buffer */
 420         return DSERR_CONTROLUNAVAIL;
 421 }
 422
 423 static HRESULT WINAPI PrimaryBufferImpl_Play(
 424         LPDIRECTSOUNDBUFFER8 iface,DWORD reserved1,DWORD reserved2,DWORD flags
 425 ) {
 426         ICOM_THIS(PrimaryBufferImpl,iface);
 427         IDirectSoundImpl* dsound = This->dsound;
 428
 429         TRACE("(%p,%08lx,%08lx,%08lx)\n",
 430                 This,reserved1,reserved2,flags
 431         );
 432
 433         if (!(flags & DSBPLAY_LOOPING))
 434                 return DSERR_INVALIDPARAM;
 435
 436         /* **** */
 437         EnterCriticalSection(&(dsound->mixlock));
 438
 439         if (dsound->state == STATE_STOPPED)
 440                 dsound->state = STATE_STARTING;
 441         else if (dsound->state == STATE_STOPPING)
 442                 dsound->state = STATE_PLAYING;
 443
 444         LeaveCriticalSection(&(dsound->mixlock));
 445         /* **** */
 446
 447         return DS_OK;
 448 }
 449
 450 static HRESULT WINAPI PrimaryBufferImpl_Stop(LPDIRECTSOUNDBUFFER8 iface)
 451 {
 452         ICOM_THIS(PrimaryBufferImpl,iface);
 453         IDirectSoundImpl* dsound = This->dsound;
 454
 455         TRACE("(%p)\n",This);
 456
 457         /* **** */
 458         EnterCriticalSection(&(dsound->mixlock));
 459
 460         if (dsound->state == STATE_PLAYING)
 461                 dsound->state = STATE_STOPPING;
 462         else if (dsound->state == STATE_STARTING)
 463                 dsound->state = STATE_STOPPED;
 464
 465         LeaveCriticalSection(&(dsound->mixlock));
 466         /* **** */
 467
 468         return DS_OK;
 469 }
 470
 471 static DWORD WINAPI PrimaryBufferImpl_AddRef(LPDIRECTSOUNDBUFFER8 iface) {
 472         ICOM_THIS(PrimaryBufferImpl,iface);
 473         DWORD ref;
 474
 475         TRACE("(%p) ref was %ld, thread is %lx\n",This, This->ref, GetCurrentThreadId());
 476
 477         ref = InterlockedIncrement(&(This->ref));
 478         if (!ref) {
 479                 FIXME("thread-safety alert! AddRef-ing with a zero refcount!\n");
 480         }
 481         return ref;
 482 }
 483 static DWORD WINAPI PrimaryBufferImpl_Release(LPDIRECTSOUNDBUFFER8 iface) {
 484         ICOM_THIS(PrimaryBufferImpl,iface);
 485         DWORD ref;
 486
 487         TRACE("(%p) ref was %ld, thread is %lx\n",This, This->ref, GetCurrentThreadId());
 488
 489         ref = InterlockedDecrement(&(This->ref));
 490         if (ref) return ref;
 491
 492         IDirectSound_Release((LPDIRECTSOUND)This->dsound);
 493
 494 #if 0
 495         if (This->iks) {
 496                 HeapFree(GetProcessHeap(), 0, This->iks);
 497         }
 498 #endif
 499
 500         HeapFree(GetProcessHeap(),0,This);
 501
 502         return 0;
 503 }
 504
 505 static HRESULT WINAPI PrimaryBufferImpl_GetCurrentPosition(
 506         LPDIRECTSOUNDBUFFER8 iface,LPDWORD playpos,LPDWORD writepos
 507 ) {
 508         ICOM_THIS(PrimaryBufferImpl,iface);
 509         IDirectSoundImpl* dsound = This->dsound;
 510
 511         TRACE("(%p,%p,%p)\n",This,playpos,writepos);
 512         DSOUND_PrimaryGetPosition(dsound, playpos, writepos);
 513         if (writepos) {
 514                 if (dsound->state != STATE_STOPPED)
 515                         /* apply the documented 10ms lead to writepos */
 516                         *writepos += dsound->writelead;
 517                 while (*writepos >= dsound->buflen) *writepos -= dsound->buflen;
 518         }
 519         TRACE("playpos = %ld, writepos = %ld (%p, time=%ld)\n", playpos?*playpos:0, writepos?*writepos:0, This, GetTickCount());
 520         return DS_OK;
 521 }
 522
 523 static HRESULT WINAPI PrimaryBufferImpl_GetStatus(
 524         LPDIRECTSOUNDBUFFER8 iface,LPDWORD status
 525 ) {
 526         ICOM_THIS(PrimaryBufferImpl,iface);
 527         TRACE("(%p,%p), thread is %lx\n",This,status,GetCurrentThreadId());
 528
 529         if (status == NULL)
 530                 return DSERR_INVALIDPARAM;
 531
 532         *status = 0;
 533         if ((This->dsound->state == STATE_STARTING) ||
 534             (This->dsound->state == STATE_PLAYING))
 535                 *status |= DSBSTATUS_PLAYING | DSBSTATUS_LOOPING;
 536
 537         TRACE("status=%lx\n", *status);
 538         return DS_OK;
 539 }
 540
 541
 542 static HRESULT WINAPI PrimaryBufferImpl_GetFormat(
 543         LPDIRECTSOUNDBUFFER8 iface,LPWAVEFORMATEX lpwf,DWORD wfsize,LPDWORD wfwritten
 544 ) {
 545         ICOM_THIS(PrimaryBufferImpl,iface);
 546         TRACE("(%p,%p,%ld,%p)\n",This,lpwf,wfsize,wfwritten);
 547
 548         if (wfsize>sizeof(This->dsound->wfx))
 549                 wfsize = sizeof(This->dsound->wfx);
 550         if (lpwf) {     /* NULL is valid */
 551                 memcpy(lpwf,&(This->dsound->wfx),wfsize);
 552                 if (wfwritten)
 553                         *wfwritten = wfsize;
 554         } else
 555                 if (wfwritten)
 556                         *wfwritten = sizeof(This->dsound->wfx);
 557                 else
 558                         return DSERR_INVALIDPARAM;
 559
 560         return DS_OK;
 561 }
 562
 563 static HRESULT WINAPI PrimaryBufferImpl_Lock(
 564         LPDIRECTSOUNDBUFFER8 iface,DWORD writecursor,DWORD writebytes,LPVOID lplpaudioptr1,LPDWORD audiobytes1,LPVOID lplpaudioptr2,LPDWORD audiobytes2,DWORD flags
 565 ) {
 566         ICOM_THIS(PrimaryBufferImpl,iface);
 567         IDirectSoundImpl* dsound = This->dsound;
 568
 569         TRACE("(%p,%ld,%ld,%p,%p,%p,%p,0x%08lx) at %ld\n",
 570                 This,
 571                 writecursor,
 572                 writebytes,
 573                 lplpaudioptr1,
 574                 audiobytes1,
 575                 lplpaudioptr2,
 576                 audiobytes2,
 577                 flags,
 578                 GetTickCount()
 579         );
 580
 581         if (dsound->priolevel != DSSCL_WRITEPRIMARY)
 582                 return DSERR_PRIOLEVELNEEDED;
 583
 584         if (flags & DSBLOCK_FROMWRITECURSOR) {
 585                 DWORD writepos;
 586                 /* GetCurrentPosition does too much magic to duplicate here */
 587                 IDirectSoundBuffer_GetCurrentPosition(iface, NULL, &writepos);
 588                 writecursor += writepos;
 589         }
 590         while (writecursor >= dsound->buflen)
 591                 writecursor -= dsound->buflen;
 592         if (flags & DSBLOCK_ENTIREBUFFER)
 593                 writebytes = dsound->buflen;
 594         if (writebytes > dsound->buflen)
 595                 writebytes = dsound->buflen;
 596
 597         assert(audiobytes1!=audiobytes2);
 598         assert(lplpaudioptr1!=lplpaudioptr2);
 599
 600         if (!(dsound->drvdesc.dwFlags & DSDDESC_DONTNEEDPRIMARYLOCK) && dsound->hwbuf) {
 601                 IDsDriverBuffer_Lock(dsound->hwbuf,
 602                                      lplpaudioptr1, audiobytes1,
 603                                      lplpaudioptr2, audiobytes2,
 604                                      writecursor, writebytes,
 605                                      0);
 606         }
 607         else {
 608                 if (writecursor+writebytes <= dsound->buflen) {
 609                         *(LPBYTE*)lplpaudioptr1 = dsound->buffer+writecursor;
 610                         *audiobytes1 = writebytes;
 611                         if (lplpaudioptr2)
 612                                 *(LPBYTE*)lplpaudioptr2 = NULL;
 613                         if (audiobytes2)
 614                                 *audiobytes2 = 0;
 615                         TRACE("->%ld.0\n",writebytes);
 616                 } else {
 617                         *(LPBYTE*)lplpaudioptr1 = dsound->buffer+writecursor;
 618                         *audiobytes1 = dsound->buflen-writecursor;
 619                         if (lplpaudioptr2)
 620                                 *(LPBYTE*)lplpaudioptr2 = dsound->buffer;
 621                         if (audiobytes2)
 622                                 *audiobytes2 = writebytes-(dsound->buflen-writecursor);
 623                         TRACE("->%ld.%ld\n",*audiobytes1,audiobytes2?*audiobytes2:0);
 624                 }
 625         }
 626         return DS_OK;
 627 }
 628
 629 static HRESULT WINAPI PrimaryBufferImpl_SetCurrentPosition(
 630         LPDIRECTSOUNDBUFFER8 iface,DWORD newpos
 631 ) {
 632         ICOM_THIS(PrimaryBufferImpl,iface);
 633         TRACE("(%p,%ld)\n",This,newpos);
 634
 635         /* You cannot set the position of the primary buffer */
 636         return DSERR_INVALIDCALL;
 637 }
 638
 639 static HRESULT WINAPI PrimaryBufferImpl_SetPan(
 640         LPDIRECTSOUNDBUFFER8 iface,LONG pan
 641 ) {
 642         ICOM_THIS(PrimaryBufferImpl,iface);
 643         TRACE("(%p,%ld)\n",This,pan);
 644
 645         /* You cannot set the pan of the primary buffer */
 646         return DSERR_CONTROLUNAVAIL;
 647 }
 648
 649 static HRESULT WINAPI PrimaryBufferImpl_GetPan(
 650         LPDIRECTSOUNDBUFFER8 iface,LPLONG pan
 651 ) {
 652         ICOM_THIS(PrimaryBufferImpl,iface);
 653         TRACE("(%p,%p)\n",This,pan);
 654
 655         if (pan == NULL)
 656                 return DSERR_INVALIDPARAM;
 657
 658         *pan = This->dsound->volpan.lPan;
 659
 660         return DS_OK;
 661 }
 662
 663 static HRESULT WINAPI PrimaryBufferImpl_Unlock(
 664         LPDIRECTSOUNDBUFFER8 iface,LPVOID p1,DWORD x1,LPVOID p2,DWORD x2
 665 ) {
 666         ICOM_THIS(PrimaryBufferImpl,iface);
 667         IDirectSoundImpl* dsound = This->dsound;
 668
 669         TRACE("(%p,%p,%ld,%p,%ld):stub\n", This,p1,x1,p2,x2);
 670
 671         if (dsound->priolevel != DSSCL_WRITEPRIMARY)
 672                 return DSERR_PRIOLEVELNEEDED;
 673
 674         if (!(dsound->drvdesc.dwFlags & DSDDESC_DONTNEEDPRIMARYLOCK) && dsound->hwbuf) {
 675                 IDsDriverBuffer_Unlock(dsound->hwbuf, p1, x1, p2, x2);
 676         }
 677
 678         return DS_OK;
 679 }
 680
 681 static HRESULT WINAPI PrimaryBufferImpl_Restore(
 682         LPDIRECTSOUNDBUFFER8 iface
 683 ) {
 684         ICOM_THIS(PrimaryBufferImpl,iface);
 685         FIXME("(%p):stub\n",This);
 686         return DS_OK;
 687 }
 688
 689 static HRESULT WINAPI PrimaryBufferImpl_GetFrequency(
 690         LPDIRECTSOUNDBUFFER8 iface,LPDWORD freq
 691 ) {
 692         ICOM_THIS(PrimaryBufferImpl,iface);
 693         TRACE("(%p,%p)\n",This,freq);
 694
 695         if (freq == NULL)
 696                 return DSERR_INVALIDPARAM;
 697
 698         *freq = This->dsound->wfx.nSamplesPerSec;
 699         TRACE("-> %ld\n", *freq);
 700
 701         return DS_OK;
 702 }
 703
 704 static HRESULT WINAPI PrimaryBufferImpl_SetFX(
 705         LPDIRECTSOUNDBUFFER8 iface,DWORD dwEffectsCount,LPDSEFFECTDESC pDSFXDesc,LPDWORD pdwResultCodes
 706 ) {
 707         ICOM_THIS(PrimaryBufferImpl,iface);
 708         DWORD u;
 709
 710         FIXME("(%p,%lu,%p,%p): stub\n",This,dwEffectsCount,pDSFXDesc,pdwResultCodes);
 711
 712         if (pdwResultCodes)
 713                 for (u=0; u<dwEffectsCount; u++) pdwResultCodes[u] = DSFXR_UNKNOWN;
 714
 715         return DSERR_CONTROLUNAVAIL;
 716 }
 717
 718 static HRESULT WINAPI PrimaryBufferImpl_AcquireResources(
 719         LPDIRECTSOUNDBUFFER8 iface,DWORD dwFlags,DWORD dwEffectsCount,LPDWORD pdwResultCodes
 720 ) {
 721         ICOM_THIS(PrimaryBufferImpl,iface);
 722         DWORD u;
 723
 724         FIXME("(%p,%08lu,%lu,%p): stub\n",This,dwFlags,dwEffectsCount,pdwResultCodes);
 725
 726         if (pdwResultCodes)
 727                 for (u=0; u<dwEffectsCount; u++) pdwResultCodes[u] = DSFXR_UNKNOWN;
 728
 729         return DSERR_CONTROLUNAVAIL;
 730 }
 731
 732 static HRESULT WINAPI PrimaryBufferImpl_GetObjectInPath(
 733         LPDIRECTSOUNDBUFFER8 iface,REFGUID rguidObject,DWORD dwIndex,REFGUID rguidInterface,LPVOID* ppObject
 734 ) {
 735         ICOM_THIS(PrimaryBufferImpl,iface);
 736
 737         FIXME("(%p,%s,%lu,%s,%p): stub\n",This,debugstr_guid(rguidObject),dwIndex,debugstr_guid(rguidInterface),ppObject);
 738
 739         return DSERR_CONTROLUNAVAIL;
 740 }
 741
 742 static HRESULT WINAPI PrimaryBufferImpl_Initialize(
 743         LPDIRECTSOUNDBUFFER8 iface,LPDIRECTSOUND8 dsound,LPDSBUFFERDESC dbsd
 744 ) {
 745         ICOM_THIS(PrimaryBufferImpl,iface);
 746         FIXME("(%p,%p,%p):stub\n",This,dsound,dbsd);
 747         DPRINTF("Re-Init!!!\n");
 748         return DSERR_ALREADYINITIALIZED;
 749 }
 750
 751 static HRESULT WINAPI PrimaryBufferImpl_GetCaps(
 752         LPDIRECTSOUNDBUFFER8 iface,LPDSBCAPS caps
 753 ) {
 754         ICOM_THIS(PrimaryBufferImpl,iface);
 755         TRACE("(%p)->(%p)\n",This,caps);
 756
 757         if (caps == NULL)
 758                 return DSERR_INVALIDPARAM;
 759
 760         /* I think we should check this value, not set it. See */
 761         /* Inside DirectX, p215. That should apply here, too. */
 762         caps->dwSize = sizeof(*caps);
 763
 764         caps->dwFlags = This->dsbd.dwFlags;
 765         if (This->dsound->hwbuf) caps->dwFlags |= DSBCAPS_LOCHARDWARE;
 766         else caps->dwFlags |= DSBCAPS_LOCSOFTWARE;
 767
 768         caps->dwBufferBytes = This->dsound->buflen;
 769
 770         /* This value represents the speed of the "unlock" command.
 771            As unlock is quite fast (it does not do anything), I put
 772            4096 ko/s = 4 Mo / s */
 773         /* FIXME: hwbuf speed */
 774         caps->dwUnlockTransferRate = 4096;
 775         caps->dwPlayCpuOverhead = 0;
 776
 777         return DS_OK;
 778 }
 779
 780 static HRESULT WINAPI PrimaryBufferImpl_QueryInterface(
 781         LPDIRECTSOUNDBUFFER8 iface,REFIID riid,LPVOID *ppobj
 782 ) {
 783         ICOM_THIS(PrimaryBufferImpl,iface);
 784
 785         TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
 786
 787         if ( IsEqualGUID( &IID_IDirectSoundNotify, riid ) ) {
 788                 ERR("app requested IDirectSoundNotify on primary buffer\n");
 789                 /* should we support this? */
 790                 *ppobj = NULL;
 791                 return E_FAIL;
 792         }
 793
 794         if ( IsEqualGUID( &IID_IDirectSound3DBuffer, riid ) ) {
 795                 ERR("app requested IDirectSound3DBuffer on primary buffer\n");
 796                 *ppobj = NULL;
 797                 return E_NOINTERFACE;
 798         }
 799
 800         if ( IsEqualGUID( &IID_IDirectSound3DListener, riid ) ) {
 801                 if (!This->dsound->listener)
 802                         IDirectSound3DListenerImpl_Create(This, &This->dsound->listener);
 803                 *ppobj = This->dsound->listener;
 804                 if (This->dsound->listener) {
 805                         IDirectSound3DListener_AddRef((LPDIRECTSOUND3DLISTENER)*ppobj);
 806                         return DS_OK;
 807                 }
 808                 return E_FAIL;
 809         }
 810
 811         if ( IsEqualGUID( &IID_IKsPropertySet, riid ) ) {
 812 #if 0
 813                 if (!This->iks)
 814                         IKsPropertySetImpl_Create(This, &This->iks);
 815                 *ppobj = This->iks;
 816                 if (*ppobj) {
 817                         IKsPropertySet_AddRef((LPKSPROPERTYSET)*ppobj);
 818                         return S_OK;
 819                 }
 820                 return E_FAIL;
 821 #else
 822                 FIXME("app requested IKsPropertySet on primary buffer\n");
 823                 *ppobj = NULL;
 824                 return E_FAIL;
 825 #endif
 826         }
 827
 828         FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
 829
 830         *ppobj = NULL;
 831
 832         return E_NOINTERFACE;
 833 }
 834
 835 static ICOM_VTABLE(IDirectSoundBuffer8) dspbvt =
 836 {
 837         ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 838         PrimaryBufferImpl_QueryInterface,
 839         PrimaryBufferImpl_AddRef,
 840         PrimaryBufferImpl_Release,
 841         PrimaryBufferImpl_GetCaps,
 842         PrimaryBufferImpl_GetCurrentPosition,
 843         PrimaryBufferImpl_GetFormat,
 844         PrimaryBufferImpl_GetVolume,
 845         PrimaryBufferImpl_GetPan,
 846         PrimaryBufferImpl_GetFrequency,
 847         PrimaryBufferImpl_GetStatus,
 848         PrimaryBufferImpl_Initialize,
 849         PrimaryBufferImpl_Lock,
 850         PrimaryBufferImpl_Play,
 851         PrimaryBufferImpl_SetCurrentPosition,
 852         PrimaryBufferImpl_SetFormat,
 853         PrimaryBufferImpl_SetVolume,
 854         PrimaryBufferImpl_SetPan,
 855         PrimaryBufferImpl_SetFrequency,
 856         PrimaryBufferImpl_Stop,
 857         PrimaryBufferImpl_Unlock,
 858         PrimaryBufferImpl_Restore,
 859         PrimaryBufferImpl_SetFX,
 860         PrimaryBufferImpl_AcquireResources,
 861         PrimaryBufferImpl_GetObjectInPath
 862 };
 863
 864 HRESULT WINAPI PrimaryBuffer_Create(
 865         IDirectSoundImpl *This,
 866         PrimaryBufferImpl **pdsb,
 867         LPDSBUFFERDESC dsbd)
 868 {
 869         PrimaryBufferImpl *dsb;
 870
 871         if (dsbd->lpwfxFormat)
 872                 return DSERR_INVALIDPARAM;
 873
 874         dsb = (PrimaryBufferImpl*)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*dsb));
 875         dsb->ref = 1;
 876         dsb->dsound = This;
 877         ICOM_VTBL(dsb) = &dspbvt;
 878
 879         memcpy(&dsb->dsbd, dsbd, sizeof(*dsbd));
 880
 881         TRACE("Created primary buffer at %p\n", dsb);
 882
 883         if (dsbd->dwFlags & DSBCAPS_CTRL3D) {
 884                 /* FIXME: IDirectSound3DListener */
 885         }
 886
 887         IDirectSound8_AddRef((LPDIRECTSOUND8)This);
 888
 889         *pdsb = dsb;
 890         return S_OK;
 891 }