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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\n");
 228                         return err;
 229                 }
 230         }
 231
 232         err = DSOUND_PrimaryOpen(device);
 233
 234         if (err != DS_OK) {
 235                 WARN("DSOUND_PrimaryOpen failed\n");
 236                 return err;
 237         }
 238
 239         device->state = STATE_STOPPED;
 240         return DS_OK;
 241 }
 242
 243 HRESULT DSOUND_PrimaryDestroy(DirectSoundDevice *device)
 244 {
 245         TRACE("(%p)\n", device);
 246
 247         /* **** */
 248         EnterCriticalSection(&(device->mixlock));
 249
 250         DSOUND_PrimaryClose(device);
 251         if (device->driver) {
 252                 if (device->hwbuf) {
 253                         if (IDsDriverBuffer_Release(device->hwbuf) == 0)
 254                                 device->hwbuf = 0;
 255                 }
 256         } else {
 257                 if (device->pwave)
 258                         HeapFree(GetProcessHeap(),0,device->pwave);
 259         }
 260         HeapFree(GetProcessHeap(),0,device->pwfx);
 261         device->pwfx=NULL;
 262
 263         LeaveCriticalSection(&(device->mixlock));
 264         /* **** */
 265
 266         return DS_OK;
 267 }
 268
 269 HRESULT DSOUND_PrimaryPlay(DirectSoundDevice *device)
 270 {
 271         HRESULT err = DS_OK;
 272         TRACE("(%p)\n", device);
 273
 274         if (device->hwbuf) {
 275                 err = IDsDriverBuffer_Play(device->hwbuf, 0, 0, DSBPLAY_LOOPING);
 276                 if (err != DS_OK)
 277                         WARN("IDsDriverBuffer_Play failed\n");
 278         } else {
 279                 err = mmErr(waveOutRestart(device->hwo));
 280                 if (err != DS_OK)
 281                         WARN("waveOutRestart failed\n");
 282         }
 283
 284         return err;
 285 }
 286
 287 HRESULT DSOUND_PrimaryStop(DirectSoundDevice *device)
 288 {
 289         HRESULT err = DS_OK;
 290         TRACE("(%p)\n", device);
 291
 292         if (device->hwbuf) {
 293                 err = IDsDriverBuffer_Stop(device->hwbuf);
 294                 if (err == DSERR_BUFFERLOST) {
 295                         DWORD flags = CALLBACK_FUNCTION;
 296                         if (ds_hw_accel != DS_HW_ACCEL_EMULATION)
 297                                 flags |= WAVE_DIRECTSOUND;
 298                         /* Wine-only: the driver wants us to reopen the device */
 299                         /* FIXME: check for errors */
 300                         IDsDriverBuffer_Release(device->hwbuf);
 301                         waveOutClose(device->hwo);
 302                         device->hwo = 0;
 303                         err = mmErr(waveOutOpen(&(device->hwo), device->drvdesc.dnDevNode,
 304                                                 device->pwfx, (DWORD_PTR)DSOUND_callback, (DWORD)device,
 305                                                 flags));
 306                         if (err == DS_OK) {
 307                                 device->playpos = 0;
 308                                 device->mixpos = 0;
 309                                 err = IDsDriver_CreateSoundBuffer(device->driver,device->pwfx,
 310                                                                   DSBCAPS_PRIMARYBUFFER,0,
 311                                                                   &(device->buflen),&(device->buffer),
 312                                                                   (LPVOID)&(device->hwbuf));
 313                                 if (err != DS_OK)
 314                                         WARN("IDsDriver_CreateSoundBuffer failed\n");
 315                                 else if (device->state == STATE_STOPPING)
 316                                         device->state = STATE_STOPPED;
 317                                 else if (device->state == STATE_PLAYING)
 318                                         device->state = STATE_STARTING;
 319                                 if (err == DS_OK)
 320                                         FillMemory(device->buffer, device->buflen, (device->pwfx->wBitsPerSample == 8) ? 128 : 0);
 321
 322                         } else {
 323                                 WARN("waveOutOpen failed\n");
 324                         }
 325                 } else if (err != DS_OK) {
 326                         WARN("IDsDriverBuffer_Stop failed\n");
 327                 }
 328         } else {
 329
 330                 /* don't call the wave system with the lock set */
 331                 LeaveCriticalSection(&(device->mixlock));
 332                 /* **** */
 333
 334                 err = mmErr(waveOutPause(device->hwo));
 335
 336                 /* **** */
 337                 EnterCriticalSection(&(device->mixlock));
 338
 339                 if (err != DS_OK)
 340                         WARN("waveOutPause failed\n");
 341         }
 342
 343         return err;
 344 }
 345
 346 HRESULT DSOUND_PrimaryGetPosition(DirectSoundDevice *device, LPDWORD playpos, LPDWORD writepos)
 347 {
 348         TRACE("(%p,%p,%p)\n", device, playpos, writepos);
 349
 350         if (device->hwbuf) {
 351                 HRESULT err=IDsDriverBuffer_GetPosition(device->hwbuf,playpos,writepos);
 352                 if (err) {
 353                         WARN("IDsDriverBuffer_GetPosition failed\n");
 354                         return err;
 355                 }
 356         } else {
 357
 358                 /* check if playpos was requested */
 359                 if (playpos) {
 360                         /* use the cached play position */
 361                         *playpos = device->pwplay * device->fraglen;
 362                 }
 363
 364                 /* check if writepos was requested */
 365                 if (writepos) {
 366                         TRACE("pwplay=%i, pwqueue=%i\n", device->pwplay, device->pwqueue);
 367
 368                         /* the writepos is the first non-queued position */
 369                         *writepos = (device->pwplay + device->pwqueue) * device->fraglen;
 370                         *writepos %= device->buflen;
 371                 }
 372         }
 373         TRACE("playpos = %d, writepos = %d (%p, time=%d)\n", playpos?*playpos:0, writepos?*writepos:0, device, GetTickCount());
 374         return DS_OK;
 375 }
 376
 377 HRESULT DSOUND_PrimarySetFormat(DirectSoundDevice *device, LPCWAVEFORMATEX wfex)
 378 {
 379         HRESULT err = DS_OK;
 380         int i, alloc_size, cp_size;
 381         DWORD nSamplesPerSec, bpp, chans;
 382         TRACE("(%p,%p)\n", device, wfex);
 383
 384         if (device->priolevel == DSSCL_NORMAL) {
 385                 WARN("failed priority check!\n");
 386                 return DSERR_PRIOLEVELNEEDED;
 387         }
 388
 389         /* Let's be pedantic! */
 390         if (wfex == NULL) {
 391                 WARN("invalid parameter: wfex==NULL!\n");
 392                 return DSERR_INVALIDPARAM;
 393         }
 394         TRACE("(formattag=0x%04x,chans=%d,samplerate=%d,"
 395               "bytespersec=%d,blockalign=%d,bitspersamp=%d,cbSize=%d)\n",
 396               wfex->wFormatTag, wfex->nChannels, wfex->nSamplesPerSec,
 397               wfex->nAvgBytesPerSec, wfex->nBlockAlign,
 398               wfex->wBitsPerSample, wfex->cbSize);
 399
 400         /* **** */
 401         RtlAcquireResourceExclusive(&(device->buffer_list_lock), TRUE);
 402         EnterCriticalSection(&(device->mixlock));
 403
 404         if (wfex->wFormatTag == WAVE_FORMAT_PCM) {
 405             alloc_size = sizeof(WAVEFORMATEX);
 406             cp_size = sizeof(PCMWAVEFORMAT);
 407         } else
 408             alloc_size = cp_size = sizeof(WAVEFORMATEX) + wfex->cbSize;
 409
 410         device->pwfx = HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,device->pwfx,alloc_size);
 411
 412         nSamplesPerSec = device->pwfx->nSamplesPerSec;
 413         bpp = device->pwfx->wBitsPerSample;
 414         chans = device->pwfx->nChannels;
 415
 416         CopyMemory(device->pwfx, wfex, cp_size);
 417
 418         if (device->drvdesc.dwFlags & DSDDESC_DOMMSYSTEMSETFORMAT) {
 419                 DWORD flags = CALLBACK_FUNCTION;
 420                 if (ds_hw_accel != DS_HW_ACCEL_EMULATION)
 421                         flags |= WAVE_DIRECTSOUND;
 422                 /* FIXME: check for errors */
 423                 DSOUND_PrimaryClose(device);
 424                 waveOutClose(device->hwo);
 425                 device->hwo = 0;
 426                 err = mmErr(waveOutOpen(&(device->hwo), device->drvdesc.dnDevNode,
 427                                         device->pwfx, (DWORD_PTR)DSOUND_callback, (DWORD)device,
 428                                         flags));
 429                 if (err == DS_OK) {
 430                     err = DSOUND_PrimaryOpen(device);
 431                     if (err != DS_OK) {
 432                         WARN("DSOUND_PrimaryOpen failed\n");
 433                         goto done;
 434                     }
 435                 } else {
 436                         WARN("waveOutOpen failed\n");
 437                         goto done;
 438                 }
 439         } else if (device->hwbuf) {
 440                 err = IDsDriverBuffer_SetFormat(device->hwbuf, device->pwfx);
 441                 if (err == DSERR_BUFFERLOST) {
 442                         /* Wine-only: the driver wants us to recreate the HW buffer */
 443                         IDsDriverBuffer_Release(device->hwbuf);
 444                         device->playpos = 0;
 445                         device->mixpos = 0;
 446                         err = IDsDriver_CreateSoundBuffer(device->driver,device->pwfx,
 447                                                           DSBCAPS_PRIMARYBUFFER,0,
 448                                                           &(device->buflen),&(device->buffer),
 449                                                           (LPVOID)&(device->hwbuf));
 450                         if (err != DS_OK) {
 451                                 WARN("IDsDriver_CreateSoundBuffer failed\n");
 452                                 goto done;
 453                         }
 454                         if (device->state == STATE_PLAYING) device->state = STATE_STARTING;
 455                         else if (device->state == STATE_STOPPING) device->state = STATE_STOPPED;
 456                 } else if (FAILED(err)) {
 457                         WARN("IDsDriverBuffer_SetFormat failed\n");
 458                         goto done;
 459                 }
 460                 /* FIXME: should we set err back to DS_OK in all cases ? */
 461                 DSOUND_RecalcPrimary(device);
 462         }
 463
 464         if (nSamplesPerSec != device->pwfx->nSamplesPerSec || bpp != device->pwfx->wBitsPerSample || chans != device->pwfx->nChannels) {
 465                 IDirectSoundBufferImpl** dsb = device->buffers;
 466                 for (i = 0; i < device->nrofbuffers; i++, dsb++) {
 467                         /* **** */
 468                         RtlAcquireResourceExclusive(&(*dsb)->lock, TRUE);
 469
 470                         (*dsb)->freqAdjust = ((DWORD64)(*dsb)->freq << DSOUND_FREQSHIFT) / device->pwfx->nSamplesPerSec;
 471                         DSOUND_RecalcFormat((*dsb));
 472                         DSOUND_MixToTemporary((*dsb), 0, (*dsb)->buflen);
 473
 474                         RtlReleaseResource(&(*dsb)->lock);
 475                         /* **** */
 476                 }
 477         }
 478
 479 done:
 480         LeaveCriticalSection(&(device->mixlock));
 481         RtlReleaseResource(&(device->buffer_list_lock));
 482         /* **** */
 483
 484         return err;
 485 }
 486
 487 /*******************************************************************************
 488  *              PrimaryBuffer
 489  */
 490 /* This sets this format for the <em>Primary Buffer Only</em> */
 491 /* See file:///cdrom/sdk52/docs/worddoc/dsound.doc page 120 */
 492 static HRESULT WINAPI PrimaryBufferImpl_SetFormat(
 493     LPDIRECTSOUNDBUFFER iface,
 494     LPCWAVEFORMATEX wfex)
 495 {
 496     TRACE("(%p,%p)\n", iface, wfex);
 497     return DSOUND_PrimarySetFormat(((PrimaryBufferImpl *)iface)->device, wfex);
 498 }
 499
 500 static HRESULT WINAPI PrimaryBufferImpl_SetVolume(
 501         LPDIRECTSOUNDBUFFER iface,LONG vol
 502 ) {
 503         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 504         DWORD ampfactors;
 505         DSVOLUMEPAN volpan;
 506         HRESULT hres = DS_OK;
 507         TRACE("(%p,%d)\n", iface, vol);
 508
 509         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 510                 WARN("control unavailable\n");
 511                 return DSERR_CONTROLUNAVAIL;
 512         }
 513
 514         if ((vol > DSBVOLUME_MAX) || (vol < DSBVOLUME_MIN)) {
 515                 WARN("invalid parameter: vol = %d\n", vol);
 516                 return DSERR_INVALIDPARAM;
 517         }
 518
 519         /* **** */
 520         EnterCriticalSection(&(device->mixlock));
 521
 522         waveOutGetVolume(device->hwo, &ampfactors);
 523         volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 524         volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 525         DSOUND_AmpFactorToVolPan(&volpan);
 526         if (vol != volpan.lVolume) {
 527             volpan.lVolume=vol;
 528             DSOUND_RecalcVolPan(&volpan);
 529             if (device->hwbuf) {
 530                 hres = IDsDriverBuffer_SetVolumePan(device->hwbuf, &volpan);
 531                 if (hres != DS_OK)
 532                     WARN("IDsDriverBuffer_SetVolumePan failed\n");
 533             } else {
 534                 ampfactors = (volpan.dwTotalLeftAmpFactor & 0xffff) | (volpan.dwTotalRightAmpFactor << 16);
 535                 waveOutSetVolume(device->hwo, ampfactors);
 536             }
 537         }
 538
 539         LeaveCriticalSection(&(device->mixlock));
 540         /* **** */
 541
 542         return hres;
 543 }
 544
 545 static HRESULT WINAPI PrimaryBufferImpl_GetVolume(
 546         LPDIRECTSOUNDBUFFER iface,LPLONG vol
 547 ) {
 548         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 549         DWORD ampfactors;
 550         DSVOLUMEPAN volpan;
 551         TRACE("(%p,%p)\n", iface, vol);
 552
 553         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 554                 WARN("control unavailable\n");
 555                 return DSERR_CONTROLUNAVAIL;
 556         }
 557
 558         if (vol == NULL) {
 559                 WARN("invalid parameter: vol = NULL\n");
 560                 return DSERR_INVALIDPARAM;
 561         }
 562
 563         waveOutGetVolume(device->hwo, &ampfactors);
 564         volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 565         volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 566         DSOUND_AmpFactorToVolPan(&volpan);
 567         *vol = volpan.lVolume;
 568         return DS_OK;
 569 }
 570
 571 static HRESULT WINAPI PrimaryBufferImpl_SetFrequency(
 572         LPDIRECTSOUNDBUFFER iface,DWORD freq
 573 ) {
 574         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 575         TRACE("(%p,%d)\n",This,freq);
 576
 577         /* You cannot set the frequency of the primary buffer */
 578         WARN("control unavailable\n");
 579         return DSERR_CONTROLUNAVAIL;
 580 }
 581
 582 static HRESULT WINAPI PrimaryBufferImpl_Play(
 583         LPDIRECTSOUNDBUFFER iface,DWORD reserved1,DWORD reserved2,DWORD flags
 584 ) {
 585         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 586         TRACE("(%p,%08x,%08x,%08x)\n", iface, reserved1, reserved2, flags);
 587
 588         if (!(flags & DSBPLAY_LOOPING)) {
 589                 WARN("invalid parameter: flags = %08x\n", flags);
 590                 return DSERR_INVALIDPARAM;
 591         }
 592
 593         /* **** */
 594         EnterCriticalSection(&(device->mixlock));
 595
 596         if (device->state == STATE_STOPPED)
 597                 device->state = STATE_STARTING;
 598         else if (device->state == STATE_STOPPING)
 599                 device->state = STATE_PLAYING;
 600
 601         LeaveCriticalSection(&(device->mixlock));
 602         /* **** */
 603
 604         return DS_OK;
 605 }
 606
 607 static HRESULT WINAPI PrimaryBufferImpl_Stop(LPDIRECTSOUNDBUFFER iface)
 608 {
 609         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 610         TRACE("(%p)\n", iface);
 611
 612         /* **** */
 613         EnterCriticalSection(&(device->mixlock));
 614
 615         if (device->state == STATE_PLAYING)
 616                 device->state = STATE_STOPPING;
 617         else if (device->state == STATE_STARTING)
 618                 device->state = STATE_STOPPED;
 619
 620         LeaveCriticalSection(&(device->mixlock));
 621         /* **** */
 622
 623         return DS_OK;
 624 }
 625
 626 static ULONG WINAPI PrimaryBufferImpl_AddRef(LPDIRECTSOUNDBUFFER iface)
 627 {
 628     PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 629     ULONG ref = InterlockedIncrement(&(This->ref));
 630     TRACE("(%p) ref was %d\n", This, ref - 1);
 631     return ref;
 632 }
 633
 634 static ULONG WINAPI PrimaryBufferImpl_Release(LPDIRECTSOUNDBUFFER iface)
 635 {
 636     PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 637     DWORD ref = InterlockedDecrement(&(This->ref));
 638     TRACE("(%p) ref was %d\n", This, ref + 1);
 639
 640     if (!ref) {
 641         This->device->primary = NULL;
 642         HeapFree(GetProcessHeap(), 0, This);
 643         TRACE("(%p) released\n", This);
 644     }
 645     return ref;
 646 }
 647
 648 static HRESULT WINAPI PrimaryBufferImpl_GetCurrentPosition(
 649         LPDIRECTSOUNDBUFFER iface,LPDWORD playpos,LPDWORD writepos
 650 ) {
 651         HRESULT hres;
 652         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 653         TRACE("(%p,%p,%p)\n", iface, playpos, writepos);
 654
 655         /* **** */
 656         EnterCriticalSection(&(device->mixlock));
 657
 658         hres = DSOUND_PrimaryGetPosition(device, playpos, writepos);
 659         if (hres != DS_OK) {
 660                 WARN("DSOUND_PrimaryGetPosition failed\n");
 661                 LeaveCriticalSection(&(device->mixlock));
 662                 return hres;
 663         }
 664         if (writepos) {
 665                 if (device->state != STATE_STOPPED)
 666                         /* apply the documented 10ms lead to writepos */
 667                         *writepos += device->writelead;
 668                 while (*writepos >= device->buflen) *writepos -= device->buflen;
 669         }
 670
 671         LeaveCriticalSection(&(device->mixlock));
 672         /* **** */
 673
 674         TRACE("playpos = %d, writepos = %d (%p, time=%d)\n", playpos?*playpos:0, writepos?*writepos:0, device, GetTickCount());
 675         return DS_OK;
 676 }
 677
 678 static HRESULT WINAPI PrimaryBufferImpl_GetStatus(
 679         LPDIRECTSOUNDBUFFER iface,LPDWORD status
 680 ) {
 681         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 682         TRACE("(%p,%p)\n", iface, status);
 683
 684         if (status == NULL) {
 685                 WARN("invalid parameter: status == NULL\n");
 686                 return DSERR_INVALIDPARAM;
 687         }
 688
 689         *status = 0;
 690         if ((device->state == STATE_STARTING) ||
 691             (device->state == STATE_PLAYING))
 692                 *status |= DSBSTATUS_PLAYING | DSBSTATUS_LOOPING;
 693
 694         TRACE("status=%x\n", *status);
 695         return DS_OK;
 696 }
 697
 698
 699 static HRESULT WINAPI PrimaryBufferImpl_GetFormat(
 700     LPDIRECTSOUNDBUFFER iface,
 701     LPWAVEFORMATEX lpwf,
 702     DWORD wfsize,
 703     LPDWORD wfwritten)
 704 {
 705     DWORD size;
 706     DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 707     TRACE("(%p,%p,%d,%p)\n", iface, lpwf, wfsize, wfwritten);
 708
 709     size = sizeof(WAVEFORMATEX) + device->pwfx->cbSize;
 710
 711     if (lpwf) { /* NULL is valid */
 712         if (wfsize >= size) {
 713             CopyMemory(lpwf,device->pwfx,size);
 714             if (wfwritten)
 715                 *wfwritten = size;
 716         } else {
 717             WARN("invalid parameter: wfsize too small\n");
 718             if (wfwritten)
 719                 *wfwritten = 0;
 720             return DSERR_INVALIDPARAM;
 721         }
 722     } else {
 723         if (wfwritten)
 724             *wfwritten = sizeof(WAVEFORMATEX) + device->pwfx->cbSize;
 725         else {
 726             WARN("invalid parameter: wfwritten == NULL\n");
 727             return DSERR_INVALIDPARAM;
 728         }
 729     }
 730
 731     return DS_OK;
 732 }
 733
 734 static HRESULT WINAPI PrimaryBufferImpl_Lock(
 735         LPDIRECTSOUNDBUFFER iface,DWORD writecursor,DWORD writebytes,LPVOID *lplpaudioptr1,LPDWORD audiobytes1,LPVOID *lplpaudioptr2,LPDWORD audiobytes2,DWORD flags
 736 ) {
 737         HRESULT hres;
 738         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 739         TRACE("(%p,%d,%d,%p,%p,%p,%p,0x%08x) at %d\n",
 740                 iface,
 741                 writecursor,
 742                 writebytes,
 743                 lplpaudioptr1,
 744                 audiobytes1,
 745                 lplpaudioptr2,
 746                 audiobytes2,
 747                 flags,
 748                 GetTickCount()
 749         );
 750
 751         if (device->priolevel != DSSCL_WRITEPRIMARY) {
 752                 WARN("failed priority check!\n");
 753                 return DSERR_PRIOLEVELNEEDED;
 754         }
 755
 756         /* when this flag is set, writecursor is meaningless and must be calculated */
 757         if (flags & DSBLOCK_FROMWRITECURSOR) {
 758                 /* GetCurrentPosition does too much magic to duplicate here */
 759                 hres = IDirectSoundBuffer_GetCurrentPosition(iface, NULL, &writecursor);
 760                 if (hres != DS_OK) {
 761                         WARN("IDirectSoundBuffer_GetCurrentPosition failed\n");
 762                         return hres;
 763                 }
 764         }
 765
 766         /* when this flag is set, writebytes is meaningless and must be set */
 767         if (flags & DSBLOCK_ENTIREBUFFER)
 768                 writebytes = device->buflen;
 769
 770         if (writecursor >= device->buflen) {
 771                 WARN("Invalid parameter, writecursor: %u >= buflen: %u\n",
 772                      writecursor, device->buflen);
 773                 return DSERR_INVALIDPARAM;
 774         }
 775
 776         if (writebytes > device->buflen) {
 777                 WARN("Invalid parameter, writebytes: %u > buflen: %u\n",
 778                      writebytes, device->buflen);
 779                 return DSERR_INVALIDPARAM;
 780         }
 781
 782         if (!(device->drvdesc.dwFlags & DSDDESC_DONTNEEDPRIMARYLOCK) && device->hwbuf) {
 783                 hres = IDsDriverBuffer_Lock(device->hwbuf,
 784                                             lplpaudioptr1, audiobytes1,
 785                                             lplpaudioptr2, audiobytes2,
 786                                             writecursor, writebytes,
 787                                             0);
 788                 if (hres != DS_OK) {
 789                         WARN("IDsDriverBuffer_Lock failed\n");
 790                         return hres;
 791                 }
 792         } else {
 793                 if (writecursor+writebytes <= device->buflen) {
 794                         *(LPBYTE*)lplpaudioptr1 = device->buffer+writecursor;
 795                         *audiobytes1 = writebytes;
 796                         if (lplpaudioptr2)
 797                                 *(LPBYTE*)lplpaudioptr2 = NULL;
 798                         if (audiobytes2)
 799                                 *audiobytes2 = 0;
 800                         TRACE("->%d.0\n",writebytes);
 801                 } else {
 802                         *(LPBYTE*)lplpaudioptr1 = device->buffer+writecursor;
 803                         *audiobytes1 = device->buflen-writecursor;
 804                         if (lplpaudioptr2)
 805                                 *(LPBYTE*)lplpaudioptr2 = device->buffer;
 806                         if (audiobytes2)
 807                                 *audiobytes2 = writebytes-(device->buflen-writecursor);
 808                         TRACE("->%d.%d\n",*audiobytes1,audiobytes2?*audiobytes2:0);
 809                 }
 810         }
 811         return DS_OK;
 812 }
 813
 814 static HRESULT WINAPI PrimaryBufferImpl_SetCurrentPosition(
 815         LPDIRECTSOUNDBUFFER iface,DWORD newpos
 816 ) {
 817         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 818         TRACE("(%p,%d)\n",This,newpos);
 819
 820         /* You cannot set the position of the primary buffer */
 821         WARN("invalid call\n");
 822         return DSERR_INVALIDCALL;
 823 }
 824
 825 static HRESULT WINAPI PrimaryBufferImpl_SetPan(
 826         LPDIRECTSOUNDBUFFER iface,LONG pan
 827 ) {
 828         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 829         DWORD ampfactors;
 830         DSVOLUMEPAN volpan;
 831         HRESULT hres = DS_OK;
 832         TRACE("(%p,%d)\n", iface, pan);
 833
 834         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
 835                 WARN("control unavailable\n");
 836                 return DSERR_CONTROLUNAVAIL;
 837         }
 838
 839         if ((pan > DSBPAN_RIGHT) || (pan < DSBPAN_LEFT)) {
 840                 WARN("invalid parameter: pan = %d\n", pan);
 841                 return DSERR_INVALIDPARAM;
 842         }
 843
 844         /* **** */
 845         EnterCriticalSection(&(device->mixlock));
 846
 847         waveOutGetVolume(device->hwo, &ampfactors);
 848         volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 849         volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 850         DSOUND_AmpFactorToVolPan(&volpan);
 851         if (pan != volpan.lPan) {
 852             volpan.lPan=pan;
 853             DSOUND_RecalcVolPan(&volpan);
 854             if (device->hwbuf) {
 855                 hres = IDsDriverBuffer_SetVolumePan(device->hwbuf, &volpan);
 856                 if (hres != DS_OK)
 857                     WARN("IDsDriverBuffer_SetVolumePan failed\n");
 858             } else {
 859                 ampfactors = (volpan.dwTotalLeftAmpFactor & 0xffff) | (volpan.dwTotalRightAmpFactor << 16);
 860                 waveOutSetVolume(device->hwo, ampfactors);
 861             }
 862         }
 863
 864         LeaveCriticalSection(&(device->mixlock));
 865         /* **** */
 866
 867         return hres;
 868 }
 869
 870 static HRESULT WINAPI PrimaryBufferImpl_GetPan(
 871         LPDIRECTSOUNDBUFFER iface,LPLONG pan
 872 ) {
 873         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 874         DWORD ampfactors;
 875         DSVOLUMEPAN volpan;
 876         TRACE("(%p,%p)\n", iface, pan);
 877
 878         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
 879                 WARN("control unavailable\n");
 880                 return DSERR_CONTROLUNAVAIL;
 881         }
 882
 883         if (pan == NULL) {
 884                 WARN("invalid parameter: pan == NULL\n");
 885                 return DSERR_INVALIDPARAM;
 886         }
 887
 888         waveOutGetVolume(device->hwo, &ampfactors);
 889         volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 890         volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 891         DSOUND_AmpFactorToVolPan(&volpan);
 892         *pan = volpan.lPan;
 893         return DS_OK;
 894 }
 895
 896 static HRESULT WINAPI PrimaryBufferImpl_Unlock(
 897         LPDIRECTSOUNDBUFFER iface,LPVOID p1,DWORD x1,LPVOID p2,DWORD x2
 898 ) {
 899         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 900         TRACE("(%p,%p,%d,%p,%d)\n", iface, p1, x1, p2, x2);
 901
 902         if (device->priolevel != DSSCL_WRITEPRIMARY) {
 903                 WARN("failed priority check!\n");
 904                 return DSERR_PRIOLEVELNEEDED;
 905         }
 906
 907         if (!(device->drvdesc.dwFlags & DSDDESC_DONTNEEDPRIMARYLOCK) && device->hwbuf) {
 908                 HRESULT hres;
 909
 910                 hres = IDsDriverBuffer_Unlock(device->hwbuf, p1, x1, p2, x2);
 911                 if (hres != DS_OK) {
 912                         WARN("IDsDriverBuffer_Unlock failed\n");
 913                         return hres;
 914                 }
 915         }
 916
 917         return DS_OK;
 918 }
 919
 920 static HRESULT WINAPI PrimaryBufferImpl_Restore(
 921         LPDIRECTSOUNDBUFFER iface
 922 ) {
 923         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 924         FIXME("(%p):stub\n",This);
 925         return DS_OK;
 926 }
 927
 928 static HRESULT WINAPI PrimaryBufferImpl_GetFrequency(
 929         LPDIRECTSOUNDBUFFER iface,LPDWORD freq
 930 ) {
 931         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 932         TRACE("(%p,%p)\n", iface, freq);
 933
 934         if (freq == NULL) {
 935                 WARN("invalid parameter: freq == NULL\n");
 936                 return DSERR_INVALIDPARAM;
 937         }
 938
 939         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLFREQUENCY)) {
 940                 WARN("control unavailable\n");
 941                 return DSERR_CONTROLUNAVAIL;
 942         }
 943
 944         *freq = device->pwfx->nSamplesPerSec;
 945         TRACE("-> %d\n", *freq);
 946
 947         return DS_OK;
 948 }
 949
 950 static HRESULT WINAPI PrimaryBufferImpl_Initialize(
 951         LPDIRECTSOUNDBUFFER iface,LPDIRECTSOUND dsound,LPCDSBUFFERDESC dbsd
 952 ) {
 953         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 954         WARN("(%p) already initialized\n", This);
 955         return DSERR_ALREADYINITIALIZED;
 956 }
 957
 958 static HRESULT WINAPI PrimaryBufferImpl_GetCaps(
 959         LPDIRECTSOUNDBUFFER iface,LPDSBCAPS caps
 960 ) {
 961         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 962         TRACE("(%p,%p)\n", iface, caps);
 963
 964         if (caps == NULL) {
 965                 WARN("invalid parameter: caps == NULL\n");
 966                 return DSERR_INVALIDPARAM;
 967         }
 968
 969         if (caps->dwSize < sizeof(*caps)) {
 970                 WARN("invalid parameter: caps->dwSize = %d\n", caps->dwSize);
 971                 return DSERR_INVALIDPARAM;
 972         }
 973
 974         caps->dwFlags = device->dsbd.dwFlags;
 975         if (device->hwbuf) caps->dwFlags |= DSBCAPS_LOCHARDWARE;
 976         else caps->dwFlags |= DSBCAPS_LOCSOFTWARE;
 977
 978         caps->dwBufferBytes = device->buflen;
 979
 980         /* Windows reports these as zero */
 981         caps->dwUnlockTransferRate = 0;
 982         caps->dwPlayCpuOverhead = 0;
 983
 984         return DS_OK;
 985 }
 986
 987 static HRESULT WINAPI PrimaryBufferImpl_QueryInterface(
 988         LPDIRECTSOUNDBUFFER iface,REFIID riid,LPVOID *ppobj
 989 ) {
 990         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 991         DirectSoundDevice *device = This->device;
 992         TRACE("(%p,%s,%p)\n", iface, debugstr_guid(riid), ppobj);
 993
 994         if (ppobj == NULL) {
 995                 WARN("invalid parameter\n");
 996                 return E_INVALIDARG;
 997         }
 998
 999         *ppobj = NULL;  /* assume failure */
1000
1001         if ( IsEqualGUID(riid, &IID_IUnknown) ||
1002              IsEqualGUID(riid, &IID_IDirectSoundBuffer) ) {
1003                 IDirectSoundBuffer_AddRef((LPDIRECTSOUNDBUFFER)This);
1004                 *ppobj = This;
1005                 return S_OK;
1006         }
1007
1008         /* DirectSoundBuffer and DirectSoundBuffer8 are different and */
1009         /* a primary buffer can't have a DirectSoundBuffer8 interface */
1010         if ( IsEqualGUID( &IID_IDirectSoundBuffer8, riid ) ) {
1011                 WARN("app requested DirectSoundBuffer8 on primary buffer\n");
1012                 return E_NOINTERFACE;
1013         }
1014
1015         if ( IsEqualGUID( &IID_IDirectSoundNotify, riid ) ) {
1016                 ERR("app requested IDirectSoundNotify on primary buffer\n");
1017                 /* FIXME: should we support this? */
1018                 return E_NOINTERFACE;
1019         }
1020
1021         if ( IsEqualGUID( &IID_IDirectSound3DBuffer, riid ) ) {
1022                 ERR("app requested IDirectSound3DBuffer on primary buffer\n");
1023                 return E_NOINTERFACE;
1024         }
1025
1026         if ( IsEqualGUID( &IID_IDirectSound3DListener, riid ) ) {
1027                 if (!device->listener)
1028                         IDirectSound3DListenerImpl_Create(device, &device->listener);
1029                 if (device->listener) {
1030                         *ppobj = device->listener;
1031                         IDirectSound3DListener_AddRef((LPDIRECTSOUND3DLISTENER)*ppobj);
1032                         return S_OK;
1033                 }
1034
1035                 WARN("IID_IDirectSound3DListener failed\n");
1036                 return E_NOINTERFACE;
1037         }
1038
1039         if ( IsEqualGUID( &IID_IKsPropertySet, riid ) ) {
1040                 FIXME("app requested IKsPropertySet on primary buffer\n");
1041                 return E_NOINTERFACE;
1042         }
1043
1044         FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
1045         return E_NOINTERFACE;
1046 }
1047
1048 static const IDirectSoundBufferVtbl dspbvt =
1049 {
1050         PrimaryBufferImpl_QueryInterface,
1051         PrimaryBufferImpl_AddRef,
1052         PrimaryBufferImpl_Release,
1053         PrimaryBufferImpl_GetCaps,
1054         PrimaryBufferImpl_GetCurrentPosition,
1055         PrimaryBufferImpl_GetFormat,
1056         PrimaryBufferImpl_GetVolume,
1057         PrimaryBufferImpl_GetPan,
1058         PrimaryBufferImpl_GetFrequency,
1059         PrimaryBufferImpl_GetStatus,
1060         PrimaryBufferImpl_Initialize,
1061         PrimaryBufferImpl_Lock,
1062         PrimaryBufferImpl_Play,
1063         PrimaryBufferImpl_SetCurrentPosition,
1064         PrimaryBufferImpl_SetFormat,
1065         PrimaryBufferImpl_SetVolume,
1066         PrimaryBufferImpl_SetPan,
1067         PrimaryBufferImpl_SetFrequency,
1068         PrimaryBufferImpl_Stop,
1069         PrimaryBufferImpl_Unlock,
1070         PrimaryBufferImpl_Restore
1071 };
1072
1073 HRESULT PrimaryBufferImpl_Create(
1074         DirectSoundDevice * device,
1075         PrimaryBufferImpl ** ppdsb,
1076         LPCDSBUFFERDESC dsbd)
1077 {
1078         PrimaryBufferImpl *dsb;
1079         TRACE("%p,%p,%p)\n",device,ppdsb,dsbd);
1080
1081         if (dsbd->lpwfxFormat) {
1082                 WARN("invalid parameter: dsbd->lpwfxFormat != NULL\n");
1083                 *ppdsb = NULL;
1084                 return DSERR_INVALIDPARAM;
1085         }
1086
1087         dsb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*dsb));
1088
1089         if (dsb == NULL) {
1090                 WARN("out of memory\n");
1091                 *ppdsb = NULL;
1092                 return DSERR_OUTOFMEMORY;
1093         }
1094
1095         dsb->ref = 0;
1096         dsb->device = device;
1097         dsb->lpVtbl = &dspbvt;
1098
1099         CopyMemory(&device->dsbd, dsbd, sizeof(*dsbd));
1100
1101         TRACE("Created primary buffer at %p\n", dsb);
1102         TRACE("(formattag=0x%04x,chans=%d,samplerate=%d,"
1103                 "bytespersec=%d,blockalign=%d,bitspersamp=%d,cbSize=%d)\n",
1104                 device->pwfx->wFormatTag, device->pwfx->nChannels,
1105                 device->pwfx->nSamplesPerSec, device->pwfx->nAvgBytesPerSec,
1106                 device->pwfx->nBlockAlign, device->pwfx->wBitsPerSample,
1107                 device->pwfx->cbSize);
1108
1109         *ppdsb = dsb;
1110         return S_OK;
1111 }