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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include <stdarg.h>
  23
  24 #define NONAMELESSSTRUCT
  25 #define NONAMELESSUNION
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winuser.h"
  29 #include "mmsystem.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 static void DSOUND_RecalcPrimary(DirectSoundDevice *device)
  40 {
  41         DWORD nBlockAlign;
  42         DWORD fraglen;
  43         TRACE("(%p)\n", device);
  44
  45         nBlockAlign = device->pwfx->nBlockAlign;
  46         /* Alsa doesn't have continuous buffers, instead it has buffers with power of 2,
  47          * If DS_TIME_DEL is about 10 ms, 512 * nBlockAlign is roughly correct */
  48         fraglen = 512 * nBlockAlign;
  49
  50         /* Compensate for only being roughly accurate */
  51         if (device->pwfx->nSamplesPerSec <= 26000)
  52                 fraglen /= 2;
  53
  54         if (device->pwfx->nSamplesPerSec <= 12000)
  55                 fraglen /= 2;
  56
  57         if (device->pwfx->nSamplesPerSec >= 80000)
  58                 fraglen *= 2;
  59
  60         /* If in emulation mode, reduce fragment size until an integer number of them fits in the buffer */
  61         if (!device->driver)
  62                 while (device->buflen % fraglen)
  63                         fraglen -= nBlockAlign;
  64         device->fraglen = fraglen;
  65         device->helfrags = device->buflen / fraglen;
  66         TRACE("fraglen=%d helfrags=%d\n", device->fraglen, device->helfrags);
  67
  68         if (device->hwbuf && device->drvdesc.dwFlags & DSDDESC_DONTNEEDWRITELEAD)
  69                 device->writelead = 0;
  70         else
  71         /* calculate the 10ms write lead */
  72                 device->writelead = (device->pwfx->nSamplesPerSec / 100) * nBlockAlign;
  73 }
  74
  75 static HRESULT DSOUND_PrimaryOpen(DirectSoundDevice *device)
  76 {
  77         HRESULT err = DS_OK;
  78         TRACE("(%p)\n", device);
  79
  80         /* are we using waveOut stuff? */
  81         if (!device->driver) {
  82                 LPBYTE newbuf;
  83                 LPWAVEHDR headers = NULL;
  84                 DWORD buflen;
  85                 HRESULT merr = DS_OK;
  86                 /* Start in pause mode, to allow buffers to get filled */
  87                 waveOutPause(device->hwo);
  88                 if (device->state == STATE_PLAYING) device->state = STATE_STARTING;
  89                 else if (device->state == STATE_STOPPING) device->state = STATE_STOPPED;
  90
  91                 /* on original windows, the buffer it set to a fixed size, no matter what the settings are.
  92                    on windows this size is always fixed (tested on win-xp) */
  93                 buflen = ds_hel_buflen;
  94                 buflen -= ds_hel_buflen % device->pwfx->nBlockAlign;
  95
  96                 TRACE("desired buflen=%d, old buffer=%p\n", buflen, device->buffer);
  97
  98                 /* reallocate emulated primary buffer */
  99                 if (device->buffer)
 100                         newbuf = HeapReAlloc(GetProcessHeap(),0,device->buffer,buflen);
 101                 else
 102                         newbuf = HeapAlloc(GetProcessHeap(),0,buflen);
 103
 104
 105                 if (newbuf == NULL) {
 106                         ERR("failed to allocate primary buffer\n");
 107                         merr = DSERR_OUTOFMEMORY;
 108                         /* but the old buffer might still exist and must be re-prepared */
 109                 } else {
 110                         device->playpos = 0;
 111                         device->mixpos = 0;
 112                         device->buffer = newbuf;
 113                         device->buflen = buflen;
 114                 }
 115
 116                 DSOUND_RecalcPrimary(device);
 117                 if (device->pwave)
 118                         headers = HeapReAlloc(GetProcessHeap(),0,device->pwave, device->helfrags * sizeof(WAVEHDR));
 119                 else
 120                         headers = HeapAlloc(GetProcessHeap(),0,device->helfrags * sizeof(WAVEHDR));
 121
 122                 if (!headers) {
 123                         ERR("failed to allocate wave headers\n");
 124                         merr = DSERR_OUTOFMEMORY;
 125                 }
 126                 else if (device->buffer) {
 127                         unsigned c;
 128
 129                         device->pwave = headers;
 130
 131                         /* sanity */
 132                         if(device->buflen % device->helfrags){
 133                                 ERR("Bad helfrags resolution\n");
 134                         }
 135
 136                         /* prepare fragment headers */
 137                         for (c=0; c<device->helfrags; c++) {
 138                                 device->pwave[c].lpData = (char*)device->buffer + c*device->fraglen;
 139                                 device->pwave[c].dwBufferLength = device->fraglen;
 140                                 device->pwave[c].dwUser = (DWORD)device;
 141                                 device->pwave[c].dwFlags = 0;
 142                                 device->pwave[c].dwLoops = 0;
 143                                 err = mmErr(waveOutPrepareHeader(device->hwo,&device->pwave[c],sizeof(WAVEHDR)));
 144                                 if (err != DS_OK) {
 145                                         while (c--)
 146                                                 waveOutUnprepareHeader(device->hwo,&device->pwave[c],sizeof(WAVEHDR));
 147                                         break;
 148                                 }
 149                         }
 150
 151                         device->pwplay = 0;
 152                         device->pwqueue = 0;
 153                         device->playpos = 0;
 154                         device->mixpos = 0;
 155                         FillMemory(device->buffer, device->buflen, (device->pwfx->wBitsPerSample == 8) ? 128 : 0);
 156                         TRACE("fraglen=%d\n", device->fraglen);
 157                 }
 158                 if ((err == DS_OK) && (merr != DS_OK))
 159                         err = merr;
 160         } else if (!device->hwbuf) {
 161                 device->playpos = 0;
 162                 device->mixpos = 0;
 163                 err = IDsDriver_CreateSoundBuffer(device->driver,device->pwfx,
 164                                                   DSBCAPS_PRIMARYBUFFER,0,
 165                                                   &(device->buflen),&(device->buffer),
 166                                                   (LPVOID*)&(device->hwbuf));
 167                 if (err != DS_OK) {
 168                         WARN("IDsDriver_CreateSoundBuffer failed\n");
 169                         return err;
 170                 }
 171
 172                 if (device->state == STATE_PLAYING) device->state = STATE_STARTING;
 173                 else if (device->state == STATE_STOPPING) device->state = STATE_STOPPED;
 174                 device->playpos = 0;
 175                 device->mixpos = 0;
 176                 FillMemory(device->buffer, device->buflen, (device->pwfx->wBitsPerSample == 8) ? 128 : 0);
 177         }
 178         DSOUND_RecalcPrimary(device);
 179
 180         return err;
 181 }
 182
 183
 184 static void DSOUND_PrimaryClose(DirectSoundDevice *device)
 185 {
 186         TRACE("(%p)\n", device);
 187
 188         /* are we using waveOut stuff? */
 189         if (!device->hwbuf) {
 190                 unsigned c;
 191
 192                 /* get out of CS when calling the wave system */
 193                 LeaveCriticalSection(&(device->mixlock));
 194                 /* **** */
 195                 device->pwqueue = (DWORD)-1; /* resetting queues */
 196                 waveOutReset(device->hwo);
 197                 for (c=0; c<device->helfrags; c++)
 198                         waveOutUnprepareHeader(device->hwo, &device->pwave[c], sizeof(WAVEHDR));
 199                 /* **** */
 200                 EnterCriticalSection(&(device->mixlock));
 201
 202                 /* clear the queue */
 203                 device->pwqueue = 0;
 204         } else {
 205                 if (IDsDriverBuffer_Release(device->hwbuf) == 0)
 206                         device->hwbuf = 0;
 207         }
 208 }
 209
 210 HRESULT DSOUND_PrimaryCreate(DirectSoundDevice *device)
 211 {
 212         HRESULT err = DS_OK;
 213         TRACE("(%p)\n", device);
 214
 215         device->playpos = 0;
 216         device->mixpos = 0;
 217         device->buflen = device->pwfx->nAvgBytesPerSec;
 218
 219         /* FIXME: verify that hardware capabilities (DSCAPS_PRIMARY flags) match */
 220
 221         if (device->driver) {
 222                 err = IDsDriver_CreateSoundBuffer(device->driver,device->pwfx,
 223                                                   DSBCAPS_PRIMARYBUFFER,0,
 224                                                   &(device->buflen),&(device->buffer),
 225                                                   (LPVOID*)&(device->hwbuf));
 226                 if (err != DS_OK) {
 227                         WARN("IDsDriver_CreateSoundBuffer failed, falling back to waveout\n");
 228                         /* Wine-only: close wine directsound driver, then reopen without WAVE_DIRECTSOUND */
 229                         device->drvdesc.dwFlags = DSDDESC_DOMMSYSTEMOPEN | DSDDESC_DOMMSYSTEMSETFORMAT;
 230                         waveOutClose(device->hwo);
 231                         IDsDriver_Release(device->driver);
 232                         device->driver = NULL;
 233                         device->buffer = NULL;
 234                         device->hwo = 0;
 235                         err = mmErr(waveOutOpen(&(device->hwo), device->drvdesc.dnDevNode, device->pwfx, (DWORD_PTR)DSOUND_callback, (DWORD)device, CALLBACK_FUNCTION));
 236                         if (err != DS_OK)
 237                         {
 238                                 WARN("Falling back to waveout failed too! Giving up\n");
 239                                 return err;
 240                         }
 241                 }
 242         }
 243
 244         err = DSOUND_PrimaryOpen(device);
 245
 246         if (err != DS_OK) {
 247                 WARN("DSOUND_PrimaryOpen failed\n");
 248                 return err;
 249         }
 250
 251         device->state = STATE_STOPPED;
 252         return DS_OK;
 253 }
 254
 255 HRESULT DSOUND_PrimaryDestroy(DirectSoundDevice *device)
 256 {
 257         TRACE("(%p)\n", device);
 258
 259         /* **** */
 260         EnterCriticalSection(&(device->mixlock));
 261
 262         DSOUND_PrimaryClose(device);
 263         if (device->driver) {
 264                 if (device->hwbuf) {
 265                         if (IDsDriverBuffer_Release(device->hwbuf) == 0)
 266                                 device->hwbuf = 0;
 267                 }
 268         } else
 269                 HeapFree(GetProcessHeap(),0,device->pwave);
 270         HeapFree(GetProcessHeap(),0,device->pwfx);
 271         device->pwfx=NULL;
 272
 273         LeaveCriticalSection(&(device->mixlock));
 274         /* **** */
 275
 276         return DS_OK;
 277 }
 278
 279 HRESULT DSOUND_PrimaryPlay(DirectSoundDevice *device)
 280 {
 281         HRESULT err = DS_OK;
 282         TRACE("(%p)\n", device);
 283
 284         if (device->hwbuf) {
 285                 err = IDsDriverBuffer_Play(device->hwbuf, 0, 0, DSBPLAY_LOOPING);
 286                 if (err != DS_OK)
 287                         WARN("IDsDriverBuffer_Play failed\n");
 288         } else {
 289                 err = mmErr(waveOutRestart(device->hwo));
 290                 if (err != DS_OK)
 291                         WARN("waveOutRestart failed\n");
 292         }
 293
 294         return err;
 295 }
 296
 297 HRESULT DSOUND_PrimaryStop(DirectSoundDevice *device)
 298 {
 299         HRESULT err = DS_OK;
 300         TRACE("(%p)\n", device);
 301
 302         if (device->hwbuf) {
 303                 err = IDsDriverBuffer_Stop(device->hwbuf);
 304                 if (err == DSERR_BUFFERLOST) {
 305                         DWORD flags = CALLBACK_FUNCTION | WAVE_DIRECTSOUND;
 306                         /* Wine-only: the driver wants us to reopen the device */
 307                         /* FIXME: check for errors */
 308                         IDsDriverBuffer_Release(device->hwbuf);
 309                         waveOutClose(device->hwo);
 310                         device->hwo = 0;
 311                         err = mmErr(waveOutOpen(&(device->hwo), device->drvdesc.dnDevNode,
 312                                                 device->pwfx, (DWORD_PTR)DSOUND_callback, (DWORD)device,
 313                                                 flags));
 314                         if (err == DS_OK) {
 315                                 device->playpos = 0;
 316                                 device->mixpos = 0;
 317                                 err = IDsDriver_CreateSoundBuffer(device->driver,device->pwfx,
 318                                                                   DSBCAPS_PRIMARYBUFFER,0,
 319                                                                   &(device->buflen),&(device->buffer),
 320                                                                   (LPVOID)&(device->hwbuf));
 321                                 if (err != DS_OK)
 322                                         WARN("IDsDriver_CreateSoundBuffer failed\n");
 323                                 else if (device->state == STATE_STOPPING)
 324                                         device->state = STATE_STOPPED;
 325                                 else if (device->state == STATE_PLAYING)
 326                                         device->state = STATE_STARTING;
 327                                 if (err == DS_OK)
 328                                         FillMemory(device->buffer, device->buflen, (device->pwfx->wBitsPerSample == 8) ? 128 : 0);
 329
 330                         } else {
 331                                 WARN("waveOutOpen failed\n");
 332                         }
 333                 } else if (err != DS_OK) {
 334                         WARN("IDsDriverBuffer_Stop failed\n");
 335                 }
 336         } else {
 337
 338                 /* don't call the wave system with the lock set */
 339                 LeaveCriticalSection(&(device->mixlock));
 340                 /* **** */
 341
 342                 err = mmErr(waveOutPause(device->hwo));
 343
 344                 /* **** */
 345                 EnterCriticalSection(&(device->mixlock));
 346
 347                 if (err != DS_OK)
 348                         WARN("waveOutPause failed\n");
 349         }
 350
 351         return err;
 352 }
 353
 354 HRESULT DSOUND_PrimaryGetPosition(DirectSoundDevice *device, LPDWORD playpos, LPDWORD writepos)
 355 {
 356         TRACE("(%p,%p,%p)\n", device, playpos, writepos);
 357
 358         if (device->hwbuf) {
 359                 HRESULT err=IDsDriverBuffer_GetPosition(device->hwbuf,playpos,writepos);
 360                 if (err) {
 361                         WARN("IDsDriverBuffer_GetPosition failed\n");
 362                         return err;
 363                 }
 364         } else {
 365
 366                 /* check if playpos was requested */
 367                 if (playpos) {
 368                         /* use the cached play position */
 369                         *playpos = device->pwplay * device->fraglen;
 370                 }
 371
 372                 /* check if writepos was requested */
 373                 if (writepos) {
 374                         TRACE("pwplay=%i, pwqueue=%i\n", device->pwplay, device->pwqueue);
 375
 376                         /* the writepos is the first non-queued position */
 377                         *writepos = (device->pwplay + device->pwqueue) * device->fraglen;
 378                         *writepos %= device->buflen;
 379                 }
 380         }
 381         TRACE("playpos = %d, writepos = %d (%p, time=%d)\n", playpos?*playpos:0, writepos?*writepos:0, device, GetTickCount());
 382         return DS_OK;
 383 }
 384
 385 HRESULT DSOUND_PrimarySetFormat(DirectSoundDevice *device, LPCWAVEFORMATEX wfex)
 386 {
 387         HRESULT err = DS_OK;
 388         int i, alloc_size, cp_size;
 389         DWORD nSamplesPerSec, bpp, chans;
 390         TRACE("(%p,%p)\n", device, wfex);
 391
 392         if (device->priolevel == DSSCL_NORMAL) {
 393                 WARN("failed priority check!\n");
 394                 return DSERR_PRIOLEVELNEEDED;
 395         }
 396
 397         /* Let's be pedantic! */
 398         if (wfex == NULL) {
 399                 WARN("invalid parameter: wfex==NULL!\n");
 400                 return DSERR_INVALIDPARAM;
 401         }
 402         TRACE("(formattag=0x%04x,chans=%d,samplerate=%d,"
 403               "bytespersec=%d,blockalign=%d,bitspersamp=%d,cbSize=%d)\n",
 404               wfex->wFormatTag, wfex->nChannels, wfex->nSamplesPerSec,
 405               wfex->nAvgBytesPerSec, wfex->nBlockAlign,
 406               wfex->wBitsPerSample, wfex->cbSize);
 407
 408         /* **** */
 409         RtlAcquireResourceExclusive(&(device->buffer_list_lock), TRUE);
 410         EnterCriticalSection(&(device->mixlock));
 411
 412         if (wfex->wFormatTag == WAVE_FORMAT_PCM) {
 413             alloc_size = sizeof(WAVEFORMATEX);
 414             cp_size = sizeof(PCMWAVEFORMAT);
 415         } else
 416             alloc_size = cp_size = sizeof(WAVEFORMATEX) + wfex->cbSize;
 417
 418         device->pwfx = HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,device->pwfx,alloc_size);
 419
 420         nSamplesPerSec = device->pwfx->nSamplesPerSec;
 421         bpp = device->pwfx->wBitsPerSample;
 422         chans = device->pwfx->nChannels;
 423
 424         CopyMemory(device->pwfx, wfex, cp_size);
 425
 426         if (device->drvdesc.dwFlags & DSDDESC_DOMMSYSTEMSETFORMAT) {
 427                 DWORD flags = CALLBACK_FUNCTION;
 428                 if (device->driver)
 429                         flags |= WAVE_DIRECTSOUND;
 430                 /* FIXME: check for errors */
 431                 DSOUND_PrimaryClose(device);
 432                 waveOutClose(device->hwo);
 433                 device->hwo = 0;
 434                 err = mmErr(waveOutOpen(&(device->hwo), device->drvdesc.dnDevNode,
 435                                         device->pwfx, (DWORD_PTR)DSOUND_callback, (DWORD)device,
 436                                         flags));
 437                 if (err == DS_OK) {
 438                     err = DSOUND_PrimaryOpen(device);
 439                     if (err != DS_OK) {
 440                         WARN("DSOUND_PrimaryOpen failed\n");
 441                         goto done;
 442                     }
 443                 } else {
 444                         WARN("waveOutOpen failed\n");
 445                         goto done;
 446                 }
 447         } else if (device->hwbuf) {
 448                 err = IDsDriverBuffer_SetFormat(device->hwbuf, device->pwfx);
 449                 if (err == DSERR_BUFFERLOST) {
 450                         /* Wine-only: the driver wants us to recreate the HW buffer */
 451                         IDsDriverBuffer_Release(device->hwbuf);
 452                         device->playpos = 0;
 453                         device->mixpos = 0;
 454                         err = IDsDriver_CreateSoundBuffer(device->driver,device->pwfx,
 455                                                           DSBCAPS_PRIMARYBUFFER,0,
 456                                                           &(device->buflen),&(device->buffer),
 457                                                           (LPVOID)&(device->hwbuf));
 458                         if (err != DS_OK) {
 459                                 WARN("IDsDriver_CreateSoundBuffer failed\n");
 460                                 goto done;
 461                         }
 462                         if (device->state == STATE_PLAYING) device->state = STATE_STARTING;
 463                         else if (device->state == STATE_STOPPING) device->state = STATE_STOPPED;
 464                 } else if (FAILED(err)) {
 465                         WARN("IDsDriverBuffer_SetFormat failed\n");
 466                         goto done;
 467                 }
 468                 /* FIXME: should we set err back to DS_OK in all cases ? */
 469                 DSOUND_RecalcPrimary(device);
 470         }
 471
 472         if (nSamplesPerSec != device->pwfx->nSamplesPerSec || bpp != device->pwfx->wBitsPerSample || chans != device->pwfx->nChannels) {
 473                 IDirectSoundBufferImpl** dsb = device->buffers;
 474                 for (i = 0; i < device->nrofbuffers; i++, dsb++) {
 475                         /* **** */
 476                         RtlAcquireResourceExclusive(&(*dsb)->lock, TRUE);
 477
 478                         (*dsb)->freqAdjust = ((DWORD64)(*dsb)->freq << DSOUND_FREQSHIFT) / device->pwfx->nSamplesPerSec;
 479                         DSOUND_RecalcFormat((*dsb));
 480                         DSOUND_MixToTemporary((*dsb), 0, (*dsb)->buflen);
 481
 482                         RtlReleaseResource(&(*dsb)->lock);
 483                         /* **** */
 484                 }
 485         }
 486
 487 done:
 488         LeaveCriticalSection(&(device->mixlock));
 489         RtlReleaseResource(&(device->buffer_list_lock));
 490         /* **** */
 491
 492         return err;
 493 }
 494
 495 /*******************************************************************************
 496  *              PrimaryBuffer
 497  */
 498 /* This sets this format for the <em>Primary Buffer Only</em> */
 499 /* See file:///cdrom/sdk52/docs/worddoc/dsound.doc page 120 */
 500 static HRESULT WINAPI PrimaryBufferImpl_SetFormat(
 501     LPDIRECTSOUNDBUFFER iface,
 502     LPCWAVEFORMATEX wfex)
 503 {
 504     TRACE("(%p,%p)\n", iface, wfex);
 505     return DSOUND_PrimarySetFormat(((PrimaryBufferImpl *)iface)->device, wfex);
 506 }
 507
 508 static HRESULT WINAPI PrimaryBufferImpl_SetVolume(
 509         LPDIRECTSOUNDBUFFER iface,LONG vol
 510 ) {
 511         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 512         DWORD ampfactors;
 513         DSVOLUMEPAN volpan;
 514         HRESULT hres = DS_OK;
 515         TRACE("(%p,%d)\n", iface, vol);
 516
 517         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 518                 WARN("control unavailable\n");
 519                 return DSERR_CONTROLUNAVAIL;
 520         }
 521
 522         if ((vol > DSBVOLUME_MAX) || (vol < DSBVOLUME_MIN)) {
 523                 WARN("invalid parameter: vol = %d\n", vol);
 524                 return DSERR_INVALIDPARAM;
 525         }
 526
 527         /* **** */
 528         EnterCriticalSection(&(device->mixlock));
 529
 530         waveOutGetVolume(device->hwo, &ampfactors);
 531         volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 532         volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 533         DSOUND_AmpFactorToVolPan(&volpan);
 534         if (vol != volpan.lVolume) {
 535             volpan.lVolume=vol;
 536             DSOUND_RecalcVolPan(&volpan);
 537             if (device->hwbuf) {
 538                 hres = IDsDriverBuffer_SetVolumePan(device->hwbuf, &volpan);
 539                 if (hres != DS_OK)
 540                     WARN("IDsDriverBuffer_SetVolumePan failed\n");
 541             } else {
 542                 ampfactors = (volpan.dwTotalLeftAmpFactor & 0xffff) | (volpan.dwTotalRightAmpFactor << 16);
 543                 waveOutSetVolume(device->hwo, ampfactors);
 544             }
 545         }
 546
 547         LeaveCriticalSection(&(device->mixlock));
 548         /* **** */
 549
 550         return hres;
 551 }
 552
 553 static HRESULT WINAPI PrimaryBufferImpl_GetVolume(
 554         LPDIRECTSOUNDBUFFER iface,LPLONG vol
 555 ) {
 556         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 557         DWORD ampfactors;
 558         DSVOLUMEPAN volpan;
 559         TRACE("(%p,%p)\n", iface, vol);
 560
 561         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 562                 WARN("control unavailable\n");
 563                 return DSERR_CONTROLUNAVAIL;
 564         }
 565
 566         if (vol == NULL) {
 567                 WARN("invalid parameter: vol = NULL\n");
 568                 return DSERR_INVALIDPARAM;
 569         }
 570
 571         waveOutGetVolume(device->hwo, &ampfactors);
 572         volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 573         volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 574         DSOUND_AmpFactorToVolPan(&volpan);
 575         *vol = volpan.lVolume;
 576         return DS_OK;
 577 }
 578
 579 static HRESULT WINAPI PrimaryBufferImpl_SetFrequency(
 580         LPDIRECTSOUNDBUFFER iface,DWORD freq
 581 ) {
 582         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 583         TRACE("(%p,%d)\n",This,freq);
 584
 585         /* You cannot set the frequency of the primary buffer */
 586         WARN("control unavailable\n");
 587         return DSERR_CONTROLUNAVAIL;
 588 }
 589
 590 static HRESULT WINAPI PrimaryBufferImpl_Play(
 591         LPDIRECTSOUNDBUFFER iface,DWORD reserved1,DWORD reserved2,DWORD flags
 592 ) {
 593         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 594         TRACE("(%p,%08x,%08x,%08x)\n", iface, reserved1, reserved2, flags);
 595
 596         if (!(flags & DSBPLAY_LOOPING)) {
 597                 WARN("invalid parameter: flags = %08x\n", flags);
 598                 return DSERR_INVALIDPARAM;
 599         }
 600
 601         /* **** */
 602         EnterCriticalSection(&(device->mixlock));
 603
 604         if (device->state == STATE_STOPPED)
 605                 device->state = STATE_STARTING;
 606         else if (device->state == STATE_STOPPING)
 607                 device->state = STATE_PLAYING;
 608
 609         LeaveCriticalSection(&(device->mixlock));
 610         /* **** */
 611
 612         return DS_OK;
 613 }
 614
 615 static HRESULT WINAPI PrimaryBufferImpl_Stop(LPDIRECTSOUNDBUFFER iface)
 616 {
 617         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 618         TRACE("(%p)\n", iface);
 619
 620         /* **** */
 621         EnterCriticalSection(&(device->mixlock));
 622
 623         if (device->state == STATE_PLAYING)
 624                 device->state = STATE_STOPPING;
 625         else if (device->state == STATE_STARTING)
 626                 device->state = STATE_STOPPED;
 627
 628         LeaveCriticalSection(&(device->mixlock));
 629         /* **** */
 630
 631         return DS_OK;
 632 }
 633
 634 static ULONG WINAPI PrimaryBufferImpl_AddRef(LPDIRECTSOUNDBUFFER iface)
 635 {
 636     PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 637     ULONG ref = InterlockedIncrement(&(This->ref));
 638     TRACE("(%p) ref was %d\n", This, ref - 1);
 639     return ref;
 640 }
 641
 642 static ULONG WINAPI PrimaryBufferImpl_Release(LPDIRECTSOUNDBUFFER iface)
 643 {
 644     PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 645     DWORD ref = InterlockedDecrement(&(This->ref));
 646     TRACE("(%p) ref was %d\n", This, ref + 1);
 647
 648     if (!ref) {
 649         This->device->primary = NULL;
 650         HeapFree(GetProcessHeap(), 0, This);
 651         TRACE("(%p) released\n", This);
 652     }
 653     return ref;
 654 }
 655
 656 static HRESULT WINAPI PrimaryBufferImpl_GetCurrentPosition(
 657         LPDIRECTSOUNDBUFFER iface,LPDWORD playpos,LPDWORD writepos
 658 ) {
 659         HRESULT hres;
 660         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 661         TRACE("(%p,%p,%p)\n", iface, playpos, writepos);
 662
 663         /* **** */
 664         EnterCriticalSection(&(device->mixlock));
 665
 666         hres = DSOUND_PrimaryGetPosition(device, playpos, writepos);
 667         if (hres != DS_OK) {
 668                 WARN("DSOUND_PrimaryGetPosition failed\n");
 669                 LeaveCriticalSection(&(device->mixlock));
 670                 return hres;
 671         }
 672         if (writepos) {
 673                 if (device->state != STATE_STOPPED)
 674                         /* apply the documented 10ms lead to writepos */
 675                         *writepos += device->writelead;
 676                 while (*writepos >= device->buflen) *writepos -= device->buflen;
 677         }
 678
 679         LeaveCriticalSection(&(device->mixlock));
 680         /* **** */
 681
 682         TRACE("playpos = %d, writepos = %d (%p, time=%d)\n", playpos?*playpos:0, writepos?*writepos:0, device, GetTickCount());
 683         return DS_OK;
 684 }
 685
 686 static HRESULT WINAPI PrimaryBufferImpl_GetStatus(
 687         LPDIRECTSOUNDBUFFER iface,LPDWORD status
 688 ) {
 689         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 690         TRACE("(%p,%p)\n", iface, status);
 691
 692         if (status == NULL) {
 693                 WARN("invalid parameter: status == NULL\n");
 694                 return DSERR_INVALIDPARAM;
 695         }
 696
 697         *status = 0;
 698         if ((device->state == STATE_STARTING) ||
 699             (device->state == STATE_PLAYING))
 700                 *status |= DSBSTATUS_PLAYING | DSBSTATUS_LOOPING;
 701
 702         TRACE("status=%x\n", *status);
 703         return DS_OK;
 704 }
 705
 706
 707 static HRESULT WINAPI PrimaryBufferImpl_GetFormat(
 708     LPDIRECTSOUNDBUFFER iface,
 709     LPWAVEFORMATEX lpwf,
 710     DWORD wfsize,
 711     LPDWORD wfwritten)
 712 {
 713     DWORD size;
 714     DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 715     TRACE("(%p,%p,%d,%p)\n", iface, lpwf, wfsize, wfwritten);
 716
 717     size = sizeof(WAVEFORMATEX) + device->pwfx->cbSize;
 718
 719     if (lpwf) { /* NULL is valid */
 720         if (wfsize >= size) {
 721             CopyMemory(lpwf,device->pwfx,size);
 722             if (wfwritten)
 723                 *wfwritten = size;
 724         } else {
 725             WARN("invalid parameter: wfsize too small\n");
 726             if (wfwritten)
 727                 *wfwritten = 0;
 728             return DSERR_INVALIDPARAM;
 729         }
 730     } else {
 731         if (wfwritten)
 732             *wfwritten = sizeof(WAVEFORMATEX) + device->pwfx->cbSize;
 733         else {
 734             WARN("invalid parameter: wfwritten == NULL\n");
 735             return DSERR_INVALIDPARAM;
 736         }
 737     }
 738
 739     return DS_OK;
 740 }
 741
 742 static HRESULT WINAPI PrimaryBufferImpl_Lock(
 743         LPDIRECTSOUNDBUFFER iface,DWORD writecursor,DWORD writebytes,LPVOID *lplpaudioptr1,LPDWORD audiobytes1,LPVOID *lplpaudioptr2,LPDWORD audiobytes2,DWORD flags
 744 ) {
 745         HRESULT hres;
 746         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 747         TRACE("(%p,%d,%d,%p,%p,%p,%p,0x%08x) at %d\n",
 748                 iface,
 749                 writecursor,
 750                 writebytes,
 751                 lplpaudioptr1,
 752                 audiobytes1,
 753                 lplpaudioptr2,
 754                 audiobytes2,
 755                 flags,
 756                 GetTickCount()
 757         );
 758
 759         if (device->priolevel != DSSCL_WRITEPRIMARY) {
 760                 WARN("failed priority check!\n");
 761                 return DSERR_PRIOLEVELNEEDED;
 762         }
 763
 764         /* when this flag is set, writecursor is meaningless and must be calculated */
 765         if (flags & DSBLOCK_FROMWRITECURSOR) {
 766                 /* GetCurrentPosition does too much magic to duplicate here */
 767                 hres = IDirectSoundBuffer_GetCurrentPosition(iface, NULL, &writecursor);
 768                 if (hres != DS_OK) {
 769                         WARN("IDirectSoundBuffer_GetCurrentPosition failed\n");
 770                         return hres;
 771                 }
 772         }
 773
 774         /* when this flag is set, writebytes is meaningless and must be set */
 775         if (flags & DSBLOCK_ENTIREBUFFER)
 776                 writebytes = device->buflen;
 777
 778         if (writecursor >= device->buflen) {
 779                 WARN("Invalid parameter, writecursor: %u >= buflen: %u\n",
 780                      writecursor, device->buflen);
 781                 return DSERR_INVALIDPARAM;
 782         }
 783
 784         if (writebytes > device->buflen) {
 785                 WARN("Invalid parameter, writebytes: %u > buflen: %u\n",
 786                      writebytes, device->buflen);
 787                 return DSERR_INVALIDPARAM;
 788         }
 789
 790         if (!(device->drvdesc.dwFlags & DSDDESC_DONTNEEDPRIMARYLOCK) && device->hwbuf) {
 791                 hres = IDsDriverBuffer_Lock(device->hwbuf,
 792                                             lplpaudioptr1, audiobytes1,
 793                                             lplpaudioptr2, audiobytes2,
 794                                             writecursor, writebytes,
 795                                             0);
 796                 if (hres != DS_OK) {
 797                         WARN("IDsDriverBuffer_Lock failed\n");
 798                         return hres;
 799                 }
 800         } else {
 801                 if (writecursor+writebytes <= device->buflen) {
 802                         *(LPBYTE*)lplpaudioptr1 = device->buffer+writecursor;
 803                         *audiobytes1 = writebytes;
 804                         if (lplpaudioptr2)
 805                                 *(LPBYTE*)lplpaudioptr2 = NULL;
 806                         if (audiobytes2)
 807                                 *audiobytes2 = 0;
 808                         TRACE("->%d.0\n",writebytes);
 809                 } else {
 810                         *(LPBYTE*)lplpaudioptr1 = device->buffer+writecursor;
 811                         *audiobytes1 = device->buflen-writecursor;
 812                         if (lplpaudioptr2)
 813                                 *(LPBYTE*)lplpaudioptr2 = device->buffer;
 814                         if (audiobytes2)
 815                                 *audiobytes2 = writebytes-(device->buflen-writecursor);
 816                         TRACE("->%d.%d\n",*audiobytes1,audiobytes2?*audiobytes2:0);
 817                 }
 818         }
 819         return DS_OK;
 820 }
 821
 822 static HRESULT WINAPI PrimaryBufferImpl_SetCurrentPosition(
 823         LPDIRECTSOUNDBUFFER iface,DWORD newpos
 824 ) {
 825         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 826         TRACE("(%p,%d)\n",This,newpos);
 827
 828         /* You cannot set the position of the primary buffer */
 829         WARN("invalid call\n");
 830         return DSERR_INVALIDCALL;
 831 }
 832
 833 static HRESULT WINAPI PrimaryBufferImpl_SetPan(
 834         LPDIRECTSOUNDBUFFER iface,LONG pan
 835 ) {
 836         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 837         DWORD ampfactors;
 838         DSVOLUMEPAN volpan;
 839         HRESULT hres = DS_OK;
 840         TRACE("(%p,%d)\n", iface, pan);
 841
 842         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
 843                 WARN("control unavailable\n");
 844                 return DSERR_CONTROLUNAVAIL;
 845         }
 846
 847         if ((pan > DSBPAN_RIGHT) || (pan < DSBPAN_LEFT)) {
 848                 WARN("invalid parameter: pan = %d\n", pan);
 849                 return DSERR_INVALIDPARAM;
 850         }
 851
 852         /* **** */
 853         EnterCriticalSection(&(device->mixlock));
 854
 855         waveOutGetVolume(device->hwo, &ampfactors);
 856         volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 857         volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 858         DSOUND_AmpFactorToVolPan(&volpan);
 859         if (pan != volpan.lPan) {
 860             volpan.lPan=pan;
 861             DSOUND_RecalcVolPan(&volpan);
 862             if (device->hwbuf) {
 863                 hres = IDsDriverBuffer_SetVolumePan(device->hwbuf, &volpan);
 864                 if (hres != DS_OK)
 865                     WARN("IDsDriverBuffer_SetVolumePan failed\n");
 866             } else {
 867                 ampfactors = (volpan.dwTotalLeftAmpFactor & 0xffff) | (volpan.dwTotalRightAmpFactor << 16);
 868                 waveOutSetVolume(device->hwo, ampfactors);
 869             }
 870         }
 871
 872         LeaveCriticalSection(&(device->mixlock));
 873         /* **** */
 874
 875         return hres;
 876 }
 877
 878 static HRESULT WINAPI PrimaryBufferImpl_GetPan(
 879         LPDIRECTSOUNDBUFFER iface,LPLONG pan
 880 ) {
 881         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 882         DWORD ampfactors;
 883         DSVOLUMEPAN volpan;
 884         TRACE("(%p,%p)\n", iface, pan);
 885
 886         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
 887                 WARN("control unavailable\n");
 888                 return DSERR_CONTROLUNAVAIL;
 889         }
 890
 891         if (pan == NULL) {
 892                 WARN("invalid parameter: pan == NULL\n");
 893                 return DSERR_INVALIDPARAM;
 894         }
 895
 896         waveOutGetVolume(device->hwo, &ampfactors);
 897         volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 898         volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 899         DSOUND_AmpFactorToVolPan(&volpan);
 900         *pan = volpan.lPan;
 901         return DS_OK;
 902 }
 903
 904 static HRESULT WINAPI PrimaryBufferImpl_Unlock(
 905         LPDIRECTSOUNDBUFFER iface,LPVOID p1,DWORD x1,LPVOID p2,DWORD x2
 906 ) {
 907         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 908         TRACE("(%p,%p,%d,%p,%d)\n", iface, p1, x1, p2, x2);
 909
 910         if (device->priolevel != DSSCL_WRITEPRIMARY) {
 911                 WARN("failed priority check!\n");
 912                 return DSERR_PRIOLEVELNEEDED;
 913         }
 914
 915         if (!(device->drvdesc.dwFlags & DSDDESC_DONTNEEDPRIMARYLOCK) && device->hwbuf) {
 916                 HRESULT hres;
 917
 918                 hres = IDsDriverBuffer_Unlock(device->hwbuf, p1, x1, p2, x2);
 919                 if (hres != DS_OK) {
 920                         WARN("IDsDriverBuffer_Unlock failed\n");
 921                         return hres;
 922                 }
 923         }
 924
 925         return DS_OK;
 926 }
 927
 928 static HRESULT WINAPI PrimaryBufferImpl_Restore(
 929         LPDIRECTSOUNDBUFFER iface
 930 ) {
 931         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 932         FIXME("(%p):stub\n",This);
 933         return DS_OK;
 934 }
 935
 936 static HRESULT WINAPI PrimaryBufferImpl_GetFrequency(
 937         LPDIRECTSOUNDBUFFER iface,LPDWORD freq
 938 ) {
 939         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 940         TRACE("(%p,%p)\n", iface, freq);
 941
 942         if (freq == NULL) {
 943                 WARN("invalid parameter: freq == NULL\n");
 944                 return DSERR_INVALIDPARAM;
 945         }
 946
 947         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLFREQUENCY)) {
 948                 WARN("control unavailable\n");
 949                 return DSERR_CONTROLUNAVAIL;
 950         }
 951
 952         *freq = device->pwfx->nSamplesPerSec;
 953         TRACE("-> %d\n", *freq);
 954
 955         return DS_OK;
 956 }
 957
 958 static HRESULT WINAPI PrimaryBufferImpl_Initialize(
 959         LPDIRECTSOUNDBUFFER iface,LPDIRECTSOUND dsound,LPCDSBUFFERDESC dbsd
 960 ) {
 961         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 962         WARN("(%p) already initialized\n", This);
 963         return DSERR_ALREADYINITIALIZED;
 964 }
 965
 966 static HRESULT WINAPI PrimaryBufferImpl_GetCaps(
 967         LPDIRECTSOUNDBUFFER iface,LPDSBCAPS caps
 968 ) {
 969         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 970         TRACE("(%p,%p)\n", iface, caps);
 971
 972         if (caps == NULL) {
 973                 WARN("invalid parameter: caps == NULL\n");
 974                 return DSERR_INVALIDPARAM;
 975         }
 976
 977         if (caps->dwSize < sizeof(*caps)) {
 978                 WARN("invalid parameter: caps->dwSize = %d\n", caps->dwSize);
 979                 return DSERR_INVALIDPARAM;
 980         }
 981
 982         caps->dwFlags = device->dsbd.dwFlags;
 983         caps->dwBufferBytes = device->buflen;
 984
 985         /* Windows reports these as zero */
 986         caps->dwUnlockTransferRate = 0;
 987         caps->dwPlayCpuOverhead = 0;
 988
 989         return DS_OK;
 990 }
 991
 992 static HRESULT WINAPI PrimaryBufferImpl_QueryInterface(
 993         LPDIRECTSOUNDBUFFER iface,REFIID riid,LPVOID *ppobj
 994 ) {
 995         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 996         DirectSoundDevice *device = This->device;
 997         TRACE("(%p,%s,%p)\n", iface, debugstr_guid(riid), ppobj);
 998
 999         if (ppobj == NULL) {
1000                 WARN("invalid parameter\n");
1001                 return E_INVALIDARG;
1002         }
1003
1004         *ppobj = NULL;  /* assume failure */
1005
1006         if ( IsEqualGUID(riid, &IID_IUnknown) ||
1007              IsEqualGUID(riid, &IID_IDirectSoundBuffer) ) {
1008                 IDirectSoundBuffer_AddRef((LPDIRECTSOUNDBUFFER)This);
1009                 *ppobj = This;
1010                 return S_OK;
1011         }
1012
1013         /* DirectSoundBuffer and DirectSoundBuffer8 are different and */
1014         /* a primary buffer can't have a DirectSoundBuffer8 interface */
1015         if ( IsEqualGUID( &IID_IDirectSoundBuffer8, riid ) ) {
1016                 WARN("app requested DirectSoundBuffer8 on primary buffer\n");
1017                 return E_NOINTERFACE;
1018         }
1019
1020         if ( IsEqualGUID( &IID_IDirectSoundNotify, riid ) ) {
1021                 ERR("app requested IDirectSoundNotify on primary buffer\n");
1022                 /* FIXME: should we support this? */
1023                 return E_NOINTERFACE;
1024         }
1025
1026         if ( IsEqualGUID( &IID_IDirectSound3DBuffer, riid ) ) {
1027                 ERR("app requested IDirectSound3DBuffer on primary buffer\n");
1028                 return E_NOINTERFACE;
1029         }
1030
1031         if ( IsEqualGUID( &IID_IDirectSound3DListener, riid ) ) {
1032                 if (!device->listener)
1033                         IDirectSound3DListenerImpl_Create(device, &device->listener);
1034                 if (device->listener) {
1035                         *ppobj = device->listener;
1036                         IDirectSound3DListener_AddRef((LPDIRECTSOUND3DLISTENER)*ppobj);
1037                         return S_OK;
1038                 }
1039
1040                 WARN("IID_IDirectSound3DListener failed\n");
1041                 return E_NOINTERFACE;
1042         }
1043
1044         if ( IsEqualGUID( &IID_IKsPropertySet, riid ) ) {
1045                 FIXME("app requested IKsPropertySet on primary buffer\n");
1046                 return E_NOINTERFACE;
1047         }
1048
1049         FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
1050         return E_NOINTERFACE;
1051 }
1052
1053 static const IDirectSoundBufferVtbl dspbvt =
1054 {
1055         PrimaryBufferImpl_QueryInterface,
1056         PrimaryBufferImpl_AddRef,
1057         PrimaryBufferImpl_Release,
1058         PrimaryBufferImpl_GetCaps,
1059         PrimaryBufferImpl_GetCurrentPosition,
1060         PrimaryBufferImpl_GetFormat,
1061         PrimaryBufferImpl_GetVolume,
1062         PrimaryBufferImpl_GetPan,
1063         PrimaryBufferImpl_GetFrequency,
1064         PrimaryBufferImpl_GetStatus,
1065         PrimaryBufferImpl_Initialize,
1066         PrimaryBufferImpl_Lock,
1067         PrimaryBufferImpl_Play,
1068         PrimaryBufferImpl_SetCurrentPosition,
1069         PrimaryBufferImpl_SetFormat,
1070         PrimaryBufferImpl_SetVolume,
1071         PrimaryBufferImpl_SetPan,
1072         PrimaryBufferImpl_SetFrequency,
1073         PrimaryBufferImpl_Stop,
1074         PrimaryBufferImpl_Unlock,
1075         PrimaryBufferImpl_Restore
1076 };
1077
1078 HRESULT PrimaryBufferImpl_Create(
1079         DirectSoundDevice * device,
1080         PrimaryBufferImpl ** ppdsb,
1081         LPCDSBUFFERDESC dsbd)
1082 {
1083         PrimaryBufferImpl *dsb;
1084         TRACE("%p,%p,%p)\n",device,ppdsb,dsbd);
1085
1086         if (dsbd->lpwfxFormat) {
1087                 WARN("invalid parameter: dsbd->lpwfxFormat != NULL\n");
1088                 *ppdsb = NULL;
1089                 return DSERR_INVALIDPARAM;
1090         }
1091
1092         dsb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*dsb));
1093
1094         if (dsb == NULL) {
1095                 WARN("out of memory\n");
1096                 *ppdsb = NULL;
1097                 return DSERR_OUTOFMEMORY;
1098         }
1099
1100         dsb->ref = 0;
1101         dsb->device = device;
1102         dsb->lpVtbl = &dspbvt;
1103
1104         CopyMemory(&device->dsbd, dsbd, sizeof(*dsbd));
1105
1106         TRACE("Created primary buffer at %p\n", dsb);
1107         TRACE("(formattag=0x%04x,chans=%d,samplerate=%d,"
1108                 "bytespersec=%d,blockalign=%d,bitspersamp=%d,cbSize=%d)\n",
1109                 device->pwfx->wFormatTag, device->pwfx->nChannels,
1110                 device->pwfx->nSamplesPerSec, device->pwfx->nAvgBytesPerSec,
1111                 device->pwfx->nBlockAlign, device->pwfx->wBitsPerSample,
1112                 device->pwfx->cbSize);
1113
1114         *ppdsb = dsb;
1115         return S_OK;
1116 }