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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., 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 = device->buffer = NULL;
 233                         device->hwo = 0;
 234                         err = mmErr(waveOutOpen(&(device->hwo), device->drvdesc.dnDevNode, device->pwfx, (DWORD_PTR)DSOUND_callback, (DWORD)device, CALLBACK_FUNCTION));
 235                         if (err != DS_OK)
 236                         {
 237                                 WARN("Falling back to waveout failed too! Giving up\n");
 238                                 return err;
 239                         }
 240                 }
 241         }
 242
 243         err = DSOUND_PrimaryOpen(device);
 244
 245         if (err != DS_OK) {
 246                 WARN("DSOUND_PrimaryOpen failed\n");
 247                 return err;
 248         }
 249
 250         device->state = STATE_STOPPED;
 251         return DS_OK;
 252 }
 253
 254 HRESULT DSOUND_PrimaryDestroy(DirectSoundDevice *device)
 255 {
 256         TRACE("(%p)\n", device);
 257
 258         /* **** */
 259         EnterCriticalSection(&(device->mixlock));
 260
 261         DSOUND_PrimaryClose(device);
 262         if (device->driver) {
 263                 if (device->hwbuf) {
 264                         if (IDsDriverBuffer_Release(device->hwbuf) == 0)
 265                                 device->hwbuf = 0;
 266                 }
 267         } else
 268                 HeapFree(GetProcessHeap(),0,device->pwave);
 269         HeapFree(GetProcessHeap(),0,device->pwfx);
 270         device->pwfx=NULL;
 271
 272         LeaveCriticalSection(&(device->mixlock));
 273         /* **** */
 274
 275         return DS_OK;
 276 }
 277
 278 HRESULT DSOUND_PrimaryPlay(DirectSoundDevice *device)
 279 {
 280         HRESULT err = DS_OK;
 281         TRACE("(%p)\n", device);
 282
 283         if (device->hwbuf) {
 284                 err = IDsDriverBuffer_Play(device->hwbuf, 0, 0, DSBPLAY_LOOPING);
 285                 if (err != DS_OK)
 286                         WARN("IDsDriverBuffer_Play failed\n");
 287         } else {
 288                 err = mmErr(waveOutRestart(device->hwo));
 289                 if (err != DS_OK)
 290                         WARN("waveOutRestart failed\n");
 291         }
 292
 293         return err;
 294 }
 295
 296 HRESULT DSOUND_PrimaryStop(DirectSoundDevice *device)
 297 {
 298         HRESULT err = DS_OK;
 299         TRACE("(%p)\n", device);
 300
 301         if (device->hwbuf) {
 302                 err = IDsDriverBuffer_Stop(device->hwbuf);
 303                 if (err == DSERR_BUFFERLOST) {
 304                         DWORD flags = CALLBACK_FUNCTION | WAVE_DIRECTSOUND;
 305                         /* Wine-only: the driver wants us to reopen the device */
 306                         /* FIXME: check for errors */
 307                         IDsDriverBuffer_Release(device->hwbuf);
 308                         waveOutClose(device->hwo);
 309                         device->hwo = 0;
 310                         err = mmErr(waveOutOpen(&(device->hwo), device->drvdesc.dnDevNode,
 311                                                 device->pwfx, (DWORD_PTR)DSOUND_callback, (DWORD)device,
 312                                                 flags));
 313                         if (err == DS_OK) {
 314                                 device->playpos = 0;
 315                                 device->mixpos = 0;
 316                                 err = IDsDriver_CreateSoundBuffer(device->driver,device->pwfx,
 317                                                                   DSBCAPS_PRIMARYBUFFER,0,
 318                                                                   &(device->buflen),&(device->buffer),
 319                                                                   (LPVOID)&(device->hwbuf));
 320                                 if (err != DS_OK)
 321                                         WARN("IDsDriver_CreateSoundBuffer failed\n");
 322                                 else if (device->state == STATE_STOPPING)
 323                                         device->state = STATE_STOPPED;
 324                                 else if (device->state == STATE_PLAYING)
 325                                         device->state = STATE_STARTING;
 326                                 if (err == DS_OK)
 327                                         FillMemory(device->buffer, device->buflen, (device->pwfx->wBitsPerSample == 8) ? 128 : 0);
 328
 329                         } else {
 330                                 WARN("waveOutOpen failed\n");
 331                         }
 332                 } else if (err != DS_OK) {
 333                         WARN("IDsDriverBuffer_Stop failed\n");
 334                 }
 335         } else {
 336
 337                 /* don't call the wave system with the lock set */
 338                 LeaveCriticalSection(&(device->mixlock));
 339                 /* **** */
 340
 341                 err = mmErr(waveOutPause(device->hwo));
 342
 343                 /* **** */
 344                 EnterCriticalSection(&(device->mixlock));
 345
 346                 if (err != DS_OK)
 347                         WARN("waveOutPause failed\n");
 348         }
 349
 350         return err;
 351 }
 352
 353 HRESULT DSOUND_PrimaryGetPosition(DirectSoundDevice *device, LPDWORD playpos, LPDWORD writepos)
 354 {
 355         TRACE("(%p,%p,%p)\n", device, playpos, writepos);
 356
 357         if (device->hwbuf) {
 358                 HRESULT err=IDsDriverBuffer_GetPosition(device->hwbuf,playpos,writepos);
 359                 if (err) {
 360                         WARN("IDsDriverBuffer_GetPosition failed\n");
 361                         return err;
 362                 }
 363         } else {
 364
 365                 /* check if playpos was requested */
 366                 if (playpos) {
 367                         /* use the cached play position */
 368                         *playpos = device->pwplay * device->fraglen;
 369                 }
 370
 371                 /* check if writepos was requested */
 372                 if (writepos) {
 373                         TRACE("pwplay=%i, pwqueue=%i\n", device->pwplay, device->pwqueue);
 374
 375                         /* the writepos is the first non-queued position */
 376                         *writepos = (device->pwplay + device->pwqueue) * device->fraglen;
 377                         *writepos %= device->buflen;
 378                 }
 379         }
 380         TRACE("playpos = %d, writepos = %d (%p, time=%d)\n", playpos?*playpos:0, writepos?*writepos:0, device, GetTickCount());
 381         return DS_OK;
 382 }
 383
 384 HRESULT DSOUND_PrimarySetFormat(DirectSoundDevice *device, LPCWAVEFORMATEX wfex)
 385 {
 386         HRESULT err = DS_OK;
 387         int i, alloc_size, cp_size;
 388         DWORD nSamplesPerSec, bpp, chans;
 389         TRACE("(%p,%p)\n", device, wfex);
 390
 391         if (device->priolevel == DSSCL_NORMAL) {
 392                 WARN("failed priority check!\n");
 393                 return DSERR_PRIOLEVELNEEDED;
 394         }
 395
 396         /* Let's be pedantic! */
 397         if (wfex == NULL) {
 398                 WARN("invalid parameter: wfex==NULL!\n");
 399                 return DSERR_INVALIDPARAM;
 400         }
 401         TRACE("(formattag=0x%04x,chans=%d,samplerate=%d,"
 402               "bytespersec=%d,blockalign=%d,bitspersamp=%d,cbSize=%d)\n",
 403               wfex->wFormatTag, wfex->nChannels, wfex->nSamplesPerSec,
 404               wfex->nAvgBytesPerSec, wfex->nBlockAlign,
 405               wfex->wBitsPerSample, wfex->cbSize);
 406
 407         /* **** */
 408         RtlAcquireResourceExclusive(&(device->buffer_list_lock), TRUE);
 409         EnterCriticalSection(&(device->mixlock));
 410
 411         if (wfex->wFormatTag == WAVE_FORMAT_PCM) {
 412             alloc_size = sizeof(WAVEFORMATEX);
 413             cp_size = sizeof(PCMWAVEFORMAT);
 414         } else
 415             alloc_size = cp_size = sizeof(WAVEFORMATEX) + wfex->cbSize;
 416
 417         device->pwfx = HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,device->pwfx,alloc_size);
 418
 419         nSamplesPerSec = device->pwfx->nSamplesPerSec;
 420         bpp = device->pwfx->wBitsPerSample;
 421         chans = device->pwfx->nChannels;
 422
 423         CopyMemory(device->pwfx, wfex, cp_size);
 424
 425         if (device->drvdesc.dwFlags & DSDDESC_DOMMSYSTEMSETFORMAT) {
 426                 DWORD flags = CALLBACK_FUNCTION;
 427                 if (device->driver)
 428                         flags |= WAVE_DIRECTSOUND;
 429                 /* FIXME: check for errors */
 430                 DSOUND_PrimaryClose(device);
 431                 waveOutClose(device->hwo);
 432                 device->hwo = 0;
 433                 err = mmErr(waveOutOpen(&(device->hwo), device->drvdesc.dnDevNode,
 434                                         device->pwfx, (DWORD_PTR)DSOUND_callback, (DWORD)device,
 435                                         flags));
 436                 if (err == DS_OK) {
 437                     err = DSOUND_PrimaryOpen(device);
 438                     if (err != DS_OK) {
 439                         WARN("DSOUND_PrimaryOpen failed\n");
 440                         goto done;
 441                     }
 442                 } else {
 443                         WARN("waveOutOpen failed\n");
 444                         goto done;
 445                 }
 446         } else if (device->hwbuf) {
 447                 err = IDsDriverBuffer_SetFormat(device->hwbuf, device->pwfx);
 448                 if (err == DSERR_BUFFERLOST) {
 449                         /* Wine-only: the driver wants us to recreate the HW buffer */
 450                         IDsDriverBuffer_Release(device->hwbuf);
 451                         device->playpos = 0;
 452                         device->mixpos = 0;
 453                         err = IDsDriver_CreateSoundBuffer(device->driver,device->pwfx,
 454                                                           DSBCAPS_PRIMARYBUFFER,0,
 455                                                           &(device->buflen),&(device->buffer),
 456                                                           (LPVOID)&(device->hwbuf));
 457                         if (err != DS_OK) {
 458                                 WARN("IDsDriver_CreateSoundBuffer failed\n");
 459                                 goto done;
 460                         }
 461                         if (device->state == STATE_PLAYING) device->state = STATE_STARTING;
 462                         else if (device->state == STATE_STOPPING) device->state = STATE_STOPPED;
 463                 } else if (FAILED(err)) {
 464                         WARN("IDsDriverBuffer_SetFormat failed\n");
 465                         goto done;
 466                 }
 467                 /* FIXME: should we set err back to DS_OK in all cases ? */
 468                 DSOUND_RecalcPrimary(device);
 469         }
 470
 471         if (nSamplesPerSec != device->pwfx->nSamplesPerSec || bpp != device->pwfx->wBitsPerSample || chans != device->pwfx->nChannels) {
 472                 IDirectSoundBufferImpl** dsb = device->buffers;
 473                 for (i = 0; i < device->nrofbuffers; i++, dsb++) {
 474                         /* **** */
 475                         RtlAcquireResourceExclusive(&(*dsb)->lock, TRUE);
 476
 477                         (*dsb)->freqAdjust = ((DWORD64)(*dsb)->freq << DSOUND_FREQSHIFT) / device->pwfx->nSamplesPerSec;
 478                         DSOUND_RecalcFormat((*dsb));
 479                         DSOUND_MixToTemporary((*dsb), 0, (*dsb)->buflen);
 480
 481                         RtlReleaseResource(&(*dsb)->lock);
 482                         /* **** */
 483                 }
 484         }
 485
 486 done:
 487         LeaveCriticalSection(&(device->mixlock));
 488         RtlReleaseResource(&(device->buffer_list_lock));
 489         /* **** */
 490
 491         return err;
 492 }
 493
 494 /*******************************************************************************
 495  *              PrimaryBuffer
 496  */
 497 /* This sets this format for the <em>Primary Buffer Only</em> */
 498 /* See file:///cdrom/sdk52/docs/worddoc/dsound.doc page 120 */
 499 static HRESULT WINAPI PrimaryBufferImpl_SetFormat(
 500     LPDIRECTSOUNDBUFFER iface,
 501     LPCWAVEFORMATEX wfex)
 502 {
 503     TRACE("(%p,%p)\n", iface, wfex);
 504     return DSOUND_PrimarySetFormat(((PrimaryBufferImpl *)iface)->device, wfex);
 505 }
 506
 507 static HRESULT WINAPI PrimaryBufferImpl_SetVolume(
 508         LPDIRECTSOUNDBUFFER iface,LONG vol
 509 ) {
 510         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 511         DWORD ampfactors;
 512         DSVOLUMEPAN volpan;
 513         HRESULT hres = DS_OK;
 514         TRACE("(%p,%d)\n", iface, vol);
 515
 516         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 517                 WARN("control unavailable\n");
 518                 return DSERR_CONTROLUNAVAIL;
 519         }
 520
 521         if ((vol > DSBVOLUME_MAX) || (vol < DSBVOLUME_MIN)) {
 522                 WARN("invalid parameter: vol = %d\n", vol);
 523                 return DSERR_INVALIDPARAM;
 524         }
 525
 526         /* **** */
 527         EnterCriticalSection(&(device->mixlock));
 528
 529         waveOutGetVolume(device->hwo, &ampfactors);
 530         volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 531         volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 532         DSOUND_AmpFactorToVolPan(&volpan);
 533         if (vol != volpan.lVolume) {
 534             volpan.lVolume=vol;
 535             DSOUND_RecalcVolPan(&volpan);
 536             if (device->hwbuf) {
 537                 hres = IDsDriverBuffer_SetVolumePan(device->hwbuf, &volpan);
 538                 if (hres != DS_OK)
 539                     WARN("IDsDriverBuffer_SetVolumePan failed\n");
 540             } else {
 541                 ampfactors = (volpan.dwTotalLeftAmpFactor & 0xffff) | (volpan.dwTotalRightAmpFactor << 16);
 542                 waveOutSetVolume(device->hwo, ampfactors);
 543             }
 544         }
 545
 546         LeaveCriticalSection(&(device->mixlock));
 547         /* **** */
 548
 549         return hres;
 550 }
 551
 552 static HRESULT WINAPI PrimaryBufferImpl_GetVolume(
 553         LPDIRECTSOUNDBUFFER iface,LPLONG vol
 554 ) {
 555         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 556         DWORD ampfactors;
 557         DSVOLUMEPAN volpan;
 558         TRACE("(%p,%p)\n", iface, vol);
 559
 560         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 561                 WARN("control unavailable\n");
 562                 return DSERR_CONTROLUNAVAIL;
 563         }
 564
 565         if (vol == NULL) {
 566                 WARN("invalid parameter: vol = NULL\n");
 567                 return DSERR_INVALIDPARAM;
 568         }
 569
 570         waveOutGetVolume(device->hwo, &ampfactors);
 571         volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 572         volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 573         DSOUND_AmpFactorToVolPan(&volpan);
 574         *vol = volpan.lVolume;
 575         return DS_OK;
 576 }
 577
 578 static HRESULT WINAPI PrimaryBufferImpl_SetFrequency(
 579         LPDIRECTSOUNDBUFFER iface,DWORD freq
 580 ) {
 581         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 582         TRACE("(%p,%d)\n",This,freq);
 583
 584         /* You cannot set the frequency of the primary buffer */
 585         WARN("control unavailable\n");
 586         return DSERR_CONTROLUNAVAIL;
 587 }
 588
 589 static HRESULT WINAPI PrimaryBufferImpl_Play(
 590         LPDIRECTSOUNDBUFFER iface,DWORD reserved1,DWORD reserved2,DWORD flags
 591 ) {
 592         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 593         TRACE("(%p,%08x,%08x,%08x)\n", iface, reserved1, reserved2, flags);
 594
 595         if (!(flags & DSBPLAY_LOOPING)) {
 596                 WARN("invalid parameter: flags = %08x\n", flags);
 597                 return DSERR_INVALIDPARAM;
 598         }
 599
 600         /* **** */
 601         EnterCriticalSection(&(device->mixlock));
 602
 603         if (device->state == STATE_STOPPED)
 604                 device->state = STATE_STARTING;
 605         else if (device->state == STATE_STOPPING)
 606                 device->state = STATE_PLAYING;
 607
 608         LeaveCriticalSection(&(device->mixlock));
 609         /* **** */
 610
 611         return DS_OK;
 612 }
 613
 614 static HRESULT WINAPI PrimaryBufferImpl_Stop(LPDIRECTSOUNDBUFFER iface)
 615 {
 616         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 617         TRACE("(%p)\n", iface);
 618
 619         /* **** */
 620         EnterCriticalSection(&(device->mixlock));
 621
 622         if (device->state == STATE_PLAYING)
 623                 device->state = STATE_STOPPING;
 624         else if (device->state == STATE_STARTING)
 625                 device->state = STATE_STOPPED;
 626
 627         LeaveCriticalSection(&(device->mixlock));
 628         /* **** */
 629
 630         return DS_OK;
 631 }
 632
 633 static ULONG WINAPI PrimaryBufferImpl_AddRef(LPDIRECTSOUNDBUFFER iface)
 634 {
 635     PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 636     ULONG ref = InterlockedIncrement(&(This->ref));
 637     TRACE("(%p) ref was %d\n", This, ref - 1);
 638     return ref;
 639 }
 640
 641 static ULONG WINAPI PrimaryBufferImpl_Release(LPDIRECTSOUNDBUFFER iface)
 642 {
 643     PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 644     DWORD ref = InterlockedDecrement(&(This->ref));
 645     TRACE("(%p) ref was %d\n", This, ref + 1);
 646
 647     if (!ref) {
 648         This->device->primary = NULL;
 649         HeapFree(GetProcessHeap(), 0, This);
 650         TRACE("(%p) released\n", This);
 651     }
 652     return ref;
 653 }
 654
 655 static HRESULT WINAPI PrimaryBufferImpl_GetCurrentPosition(
 656         LPDIRECTSOUNDBUFFER iface,LPDWORD playpos,LPDWORD writepos
 657 ) {
 658         HRESULT hres;
 659         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 660         TRACE("(%p,%p,%p)\n", iface, playpos, writepos);
 661
 662         /* **** */
 663         EnterCriticalSection(&(device->mixlock));
 664
 665         hres = DSOUND_PrimaryGetPosition(device, playpos, writepos);
 666         if (hres != DS_OK) {
 667                 WARN("DSOUND_PrimaryGetPosition failed\n");
 668                 LeaveCriticalSection(&(device->mixlock));
 669                 return hres;
 670         }
 671         if (writepos) {
 672                 if (device->state != STATE_STOPPED)
 673                         /* apply the documented 10ms lead to writepos */
 674                         *writepos += device->writelead;
 675                 while (*writepos >= device->buflen) *writepos -= device->buflen;
 676         }
 677
 678         LeaveCriticalSection(&(device->mixlock));
 679         /* **** */
 680
 681         TRACE("playpos = %d, writepos = %d (%p, time=%d)\n", playpos?*playpos:0, writepos?*writepos:0, device, GetTickCount());
 682         return DS_OK;
 683 }
 684
 685 static HRESULT WINAPI PrimaryBufferImpl_GetStatus(
 686         LPDIRECTSOUNDBUFFER iface,LPDWORD status
 687 ) {
 688         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 689         TRACE("(%p,%p)\n", iface, status);
 690
 691         if (status == NULL) {
 692                 WARN("invalid parameter: status == NULL\n");
 693                 return DSERR_INVALIDPARAM;
 694         }
 695
 696         *status = 0;
 697         if ((device->state == STATE_STARTING) ||
 698             (device->state == STATE_PLAYING))
 699                 *status |= DSBSTATUS_PLAYING | DSBSTATUS_LOOPING;
 700
 701         TRACE("status=%x\n", *status);
 702         return DS_OK;
 703 }
 704
 705
 706 static HRESULT WINAPI PrimaryBufferImpl_GetFormat(
 707     LPDIRECTSOUNDBUFFER iface,
 708     LPWAVEFORMATEX lpwf,
 709     DWORD wfsize,
 710     LPDWORD wfwritten)
 711 {
 712     DWORD size;
 713     DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 714     TRACE("(%p,%p,%d,%p)\n", iface, lpwf, wfsize, wfwritten);
 715
 716     size = sizeof(WAVEFORMATEX) + device->pwfx->cbSize;
 717
 718     if (lpwf) { /* NULL is valid */
 719         if (wfsize >= size) {
 720             CopyMemory(lpwf,device->pwfx,size);
 721             if (wfwritten)
 722                 *wfwritten = size;
 723         } else {
 724             WARN("invalid parameter: wfsize too small\n");
 725             if (wfwritten)
 726                 *wfwritten = 0;
 727             return DSERR_INVALIDPARAM;
 728         }
 729     } else {
 730         if (wfwritten)
 731             *wfwritten = sizeof(WAVEFORMATEX) + device->pwfx->cbSize;
 732         else {
 733             WARN("invalid parameter: wfwritten == NULL\n");
 734             return DSERR_INVALIDPARAM;
 735         }
 736     }
 737
 738     return DS_OK;
 739 }
 740
 741 static HRESULT WINAPI PrimaryBufferImpl_Lock(
 742         LPDIRECTSOUNDBUFFER iface,DWORD writecursor,DWORD writebytes,LPVOID *lplpaudioptr1,LPDWORD audiobytes1,LPVOID *lplpaudioptr2,LPDWORD audiobytes2,DWORD flags
 743 ) {
 744         HRESULT hres;
 745         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 746         TRACE("(%p,%d,%d,%p,%p,%p,%p,0x%08x) at %d\n",
 747                 iface,
 748                 writecursor,
 749                 writebytes,
 750                 lplpaudioptr1,
 751                 audiobytes1,
 752                 lplpaudioptr2,
 753                 audiobytes2,
 754                 flags,
 755                 GetTickCount()
 756         );
 757
 758         if (device->priolevel != DSSCL_WRITEPRIMARY) {
 759                 WARN("failed priority check!\n");
 760                 return DSERR_PRIOLEVELNEEDED;
 761         }
 762
 763         /* when this flag is set, writecursor is meaningless and must be calculated */
 764         if (flags & DSBLOCK_FROMWRITECURSOR) {
 765                 /* GetCurrentPosition does too much magic to duplicate here */
 766                 hres = IDirectSoundBuffer_GetCurrentPosition(iface, NULL, &writecursor);
 767                 if (hres != DS_OK) {
 768                         WARN("IDirectSoundBuffer_GetCurrentPosition failed\n");
 769                         return hres;
 770                 }
 771         }
 772
 773         /* when this flag is set, writebytes is meaningless and must be set */
 774         if (flags & DSBLOCK_ENTIREBUFFER)
 775                 writebytes = device->buflen;
 776
 777         if (writecursor >= device->buflen) {
 778                 WARN("Invalid parameter, writecursor: %u >= buflen: %u\n",
 779                      writecursor, device->buflen);
 780                 return DSERR_INVALIDPARAM;
 781         }
 782
 783         if (writebytes > device->buflen) {
 784                 WARN("Invalid parameter, writebytes: %u > buflen: %u\n",
 785                      writebytes, device->buflen);
 786                 return DSERR_INVALIDPARAM;
 787         }
 788
 789         if (!(device->drvdesc.dwFlags & DSDDESC_DONTNEEDPRIMARYLOCK) && device->hwbuf) {
 790                 hres = IDsDriverBuffer_Lock(device->hwbuf,
 791                                             lplpaudioptr1, audiobytes1,
 792                                             lplpaudioptr2, audiobytes2,
 793                                             writecursor, writebytes,
 794                                             0);
 795                 if (hres != DS_OK) {
 796                         WARN("IDsDriverBuffer_Lock failed\n");
 797                         return hres;
 798                 }
 799         } else {
 800                 if (writecursor+writebytes <= device->buflen) {
 801                         *(LPBYTE*)lplpaudioptr1 = device->buffer+writecursor;
 802                         *audiobytes1 = writebytes;
 803                         if (lplpaudioptr2)
 804                                 *(LPBYTE*)lplpaudioptr2 = NULL;
 805                         if (audiobytes2)
 806                                 *audiobytes2 = 0;
 807                         TRACE("->%d.0\n",writebytes);
 808                 } else {
 809                         *(LPBYTE*)lplpaudioptr1 = device->buffer+writecursor;
 810                         *audiobytes1 = device->buflen-writecursor;
 811                         if (lplpaudioptr2)
 812                                 *(LPBYTE*)lplpaudioptr2 = device->buffer;
 813                         if (audiobytes2)
 814                                 *audiobytes2 = writebytes-(device->buflen-writecursor);
 815                         TRACE("->%d.%d\n",*audiobytes1,audiobytes2?*audiobytes2:0);
 816                 }
 817         }
 818         return DS_OK;
 819 }
 820
 821 static HRESULT WINAPI PrimaryBufferImpl_SetCurrentPosition(
 822         LPDIRECTSOUNDBUFFER iface,DWORD newpos
 823 ) {
 824         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 825         TRACE("(%p,%d)\n",This,newpos);
 826
 827         /* You cannot set the position of the primary buffer */
 828         WARN("invalid call\n");
 829         return DSERR_INVALIDCALL;
 830 }
 831
 832 static HRESULT WINAPI PrimaryBufferImpl_SetPan(
 833         LPDIRECTSOUNDBUFFER iface,LONG pan
 834 ) {
 835         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 836         DWORD ampfactors;
 837         DSVOLUMEPAN volpan;
 838         HRESULT hres = DS_OK;
 839         TRACE("(%p,%d)\n", iface, pan);
 840
 841         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
 842                 WARN("control unavailable\n");
 843                 return DSERR_CONTROLUNAVAIL;
 844         }
 845
 846         if ((pan > DSBPAN_RIGHT) || (pan < DSBPAN_LEFT)) {
 847                 WARN("invalid parameter: pan = %d\n", pan);
 848                 return DSERR_INVALIDPARAM;
 849         }
 850
 851         /* **** */
 852         EnterCriticalSection(&(device->mixlock));
 853
 854         waveOutGetVolume(device->hwo, &ampfactors);
 855         volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 856         volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 857         DSOUND_AmpFactorToVolPan(&volpan);
 858         if (pan != volpan.lPan) {
 859             volpan.lPan=pan;
 860             DSOUND_RecalcVolPan(&volpan);
 861             if (device->hwbuf) {
 862                 hres = IDsDriverBuffer_SetVolumePan(device->hwbuf, &volpan);
 863                 if (hres != DS_OK)
 864                     WARN("IDsDriverBuffer_SetVolumePan failed\n");
 865             } else {
 866                 ampfactors = (volpan.dwTotalLeftAmpFactor & 0xffff) | (volpan.dwTotalRightAmpFactor << 16);
 867                 waveOutSetVolume(device->hwo, ampfactors);
 868             }
 869         }
 870
 871         LeaveCriticalSection(&(device->mixlock));
 872         /* **** */
 873
 874         return hres;
 875 }
 876
 877 static HRESULT WINAPI PrimaryBufferImpl_GetPan(
 878         LPDIRECTSOUNDBUFFER iface,LPLONG pan
 879 ) {
 880         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 881         DWORD ampfactors;
 882         DSVOLUMEPAN volpan;
 883         TRACE("(%p,%p)\n", iface, pan);
 884
 885         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
 886                 WARN("control unavailable\n");
 887                 return DSERR_CONTROLUNAVAIL;
 888         }
 889
 890         if (pan == NULL) {
 891                 WARN("invalid parameter: pan == NULL\n");
 892                 return DSERR_INVALIDPARAM;
 893         }
 894
 895         waveOutGetVolume(device->hwo, &ampfactors);
 896         volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 897         volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 898         DSOUND_AmpFactorToVolPan(&volpan);
 899         *pan = volpan.lPan;
 900         return DS_OK;
 901 }
 902
 903 static HRESULT WINAPI PrimaryBufferImpl_Unlock(
 904         LPDIRECTSOUNDBUFFER iface,LPVOID p1,DWORD x1,LPVOID p2,DWORD x2
 905 ) {
 906         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 907         TRACE("(%p,%p,%d,%p,%d)\n", iface, p1, x1, p2, x2);
 908
 909         if (device->priolevel != DSSCL_WRITEPRIMARY) {
 910                 WARN("failed priority check!\n");
 911                 return DSERR_PRIOLEVELNEEDED;
 912         }
 913
 914         if (!(device->drvdesc.dwFlags & DSDDESC_DONTNEEDPRIMARYLOCK) && device->hwbuf) {
 915                 HRESULT hres;
 916
 917                 hres = IDsDriverBuffer_Unlock(device->hwbuf, p1, x1, p2, x2);
 918                 if (hres != DS_OK) {
 919                         WARN("IDsDriverBuffer_Unlock failed\n");
 920                         return hres;
 921                 }
 922         }
 923
 924         return DS_OK;
 925 }
 926
 927 static HRESULT WINAPI PrimaryBufferImpl_Restore(
 928         LPDIRECTSOUNDBUFFER iface
 929 ) {
 930         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 931         FIXME("(%p):stub\n",This);
 932         return DS_OK;
 933 }
 934
 935 static HRESULT WINAPI PrimaryBufferImpl_GetFrequency(
 936         LPDIRECTSOUNDBUFFER iface,LPDWORD freq
 937 ) {
 938         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 939         TRACE("(%p,%p)\n", iface, freq);
 940
 941         if (freq == NULL) {
 942                 WARN("invalid parameter: freq == NULL\n");
 943                 return DSERR_INVALIDPARAM;
 944         }
 945
 946         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLFREQUENCY)) {
 947                 WARN("control unavailable\n");
 948                 return DSERR_CONTROLUNAVAIL;
 949         }
 950
 951         *freq = device->pwfx->nSamplesPerSec;
 952         TRACE("-> %d\n", *freq);
 953
 954         return DS_OK;
 955 }
 956
 957 static HRESULT WINAPI PrimaryBufferImpl_Initialize(
 958         LPDIRECTSOUNDBUFFER iface,LPDIRECTSOUND dsound,LPCDSBUFFERDESC dbsd
 959 ) {
 960         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 961         WARN("(%p) already initialized\n", This);
 962         return DSERR_ALREADYINITIALIZED;
 963 }
 964
 965 static HRESULT WINAPI PrimaryBufferImpl_GetCaps(
 966         LPDIRECTSOUNDBUFFER iface,LPDSBCAPS caps
 967 ) {
 968         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 969         TRACE("(%p,%p)\n", iface, caps);
 970
 971         if (caps == NULL) {
 972                 WARN("invalid parameter: caps == NULL\n");
 973                 return DSERR_INVALIDPARAM;
 974         }
 975
 976         if (caps->dwSize < sizeof(*caps)) {
 977                 WARN("invalid parameter: caps->dwSize = %d\n", caps->dwSize);
 978                 return DSERR_INVALIDPARAM;
 979         }
 980
 981         caps->dwFlags = device->dsbd.dwFlags;
 982         if (device->hwbuf) caps->dwFlags |= DSBCAPS_LOCHARDWARE;
 983         else caps->dwFlags |= DSBCAPS_LOCSOFTWARE;
 984
 985         caps->dwBufferBytes = device->buflen;
 986
 987         /* Windows reports these as zero */
 988         caps->dwUnlockTransferRate = 0;
 989         caps->dwPlayCpuOverhead = 0;
 990
 991         return DS_OK;
 992 }
 993
 994 static HRESULT WINAPI PrimaryBufferImpl_QueryInterface(
 995         LPDIRECTSOUNDBUFFER iface,REFIID riid,LPVOID *ppobj
 996 ) {
 997         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 998         DirectSoundDevice *device = This->device;
 999         TRACE("(%p,%s,%p)\n", iface, debugstr_guid(riid), ppobj);
1000
1001         if (ppobj == NULL) {
1002                 WARN("invalid parameter\n");
1003                 return E_INVALIDARG;
1004         }
1005
1006         *ppobj = NULL;  /* assume failure */
1007
1008         if ( IsEqualGUID(riid, &IID_IUnknown) ||
1009              IsEqualGUID(riid, &IID_IDirectSoundBuffer) ) {
1010                 IDirectSoundBuffer_AddRef((LPDIRECTSOUNDBUFFER)This);
1011                 *ppobj = This;
1012                 return S_OK;
1013         }
1014
1015         /* DirectSoundBuffer and DirectSoundBuffer8 are different and */
1016         /* a primary buffer can't have a DirectSoundBuffer8 interface */
1017         if ( IsEqualGUID( &IID_IDirectSoundBuffer8, riid ) ) {
1018                 WARN("app requested DirectSoundBuffer8 on primary buffer\n");
1019                 return E_NOINTERFACE;
1020         }
1021
1022         if ( IsEqualGUID( &IID_IDirectSoundNotify, riid ) ) {
1023                 ERR("app requested IDirectSoundNotify on primary buffer\n");
1024                 /* FIXME: should we support this? */
1025                 return E_NOINTERFACE;
1026         }
1027
1028         if ( IsEqualGUID( &IID_IDirectSound3DBuffer, riid ) ) {
1029                 ERR("app requested IDirectSound3DBuffer on primary buffer\n");
1030                 return E_NOINTERFACE;
1031         }
1032
1033         if ( IsEqualGUID( &IID_IDirectSound3DListener, riid ) ) {
1034                 if (!device->listener)
1035                         IDirectSound3DListenerImpl_Create(device, &device->listener);
1036                 if (device->listener) {
1037                         *ppobj = device->listener;
1038                         IDirectSound3DListener_AddRef((LPDIRECTSOUND3DLISTENER)*ppobj);
1039                         return S_OK;
1040                 }
1041
1042                 WARN("IID_IDirectSound3DListener failed\n");
1043                 return E_NOINTERFACE;
1044         }
1045
1046         if ( IsEqualGUID( &IID_IKsPropertySet, riid ) ) {
1047                 FIXME("app requested IKsPropertySet on primary buffer\n");
1048                 return E_NOINTERFACE;
1049         }
1050
1051         FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
1052         return E_NOINTERFACE;
1053 }
1054
1055 static const IDirectSoundBufferVtbl dspbvt =
1056 {
1057         PrimaryBufferImpl_QueryInterface,
1058         PrimaryBufferImpl_AddRef,
1059         PrimaryBufferImpl_Release,
1060         PrimaryBufferImpl_GetCaps,
1061         PrimaryBufferImpl_GetCurrentPosition,
1062         PrimaryBufferImpl_GetFormat,
1063         PrimaryBufferImpl_GetVolume,
1064         PrimaryBufferImpl_GetPan,
1065         PrimaryBufferImpl_GetFrequency,
1066         PrimaryBufferImpl_GetStatus,
1067         PrimaryBufferImpl_Initialize,
1068         PrimaryBufferImpl_Lock,
1069         PrimaryBufferImpl_Play,
1070         PrimaryBufferImpl_SetCurrentPosition,
1071         PrimaryBufferImpl_SetFormat,
1072         PrimaryBufferImpl_SetVolume,
1073         PrimaryBufferImpl_SetPan,
1074         PrimaryBufferImpl_SetFrequency,
1075         PrimaryBufferImpl_Stop,
1076         PrimaryBufferImpl_Unlock,
1077         PrimaryBufferImpl_Restore
1078 };
1079
1080 HRESULT PrimaryBufferImpl_Create(
1081         DirectSoundDevice * device,
1082         PrimaryBufferImpl ** ppdsb,
1083         LPCDSBUFFERDESC dsbd)
1084 {
1085         PrimaryBufferImpl *dsb;
1086         TRACE("%p,%p,%p)\n",device,ppdsb,dsbd);
1087
1088         if (dsbd->lpwfxFormat) {
1089                 WARN("invalid parameter: dsbd->lpwfxFormat != NULL\n");
1090                 *ppdsb = NULL;
1091                 return DSERR_INVALIDPARAM;
1092         }
1093
1094         dsb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*dsb));
1095
1096         if (dsb == NULL) {
1097                 WARN("out of memory\n");
1098                 *ppdsb = NULL;
1099                 return DSERR_OUTOFMEMORY;
1100         }
1101
1102         dsb->ref = 0;
1103         dsb->device = device;
1104         dsb->lpVtbl = &dspbvt;
1105
1106         CopyMemory(&device->dsbd, dsbd, sizeof(*dsbd));
1107
1108         TRACE("Created primary buffer at %p\n", dsb);
1109         TRACE("(formattag=0x%04x,chans=%d,samplerate=%d,"
1110                 "bytespersec=%d,blockalign=%d,bitspersamp=%d,cbSize=%d)\n",
1111                 device->pwfx->wFormatTag, device->pwfx->nChannels,
1112                 device->pwfx->nSamplesPerSec, device->pwfx->nAvgBytesPerSec,
1113                 device->pwfx->nBlockAlign, device->pwfx->wBitsPerSample,
1114                 device->pwfx->cbSize);
1115
1116         *ppdsb = dsb;
1117         return S_OK;
1118 }