dlls/dsound/primary.c

   1 /*                      DirectSound
   2  *
   3  * Copyright 1998 Marcus Meissner
   4  * Copyright 1998 Rob Riggs
   5  * Copyright 2000-2002 TransGaming Technologies, Inc.
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 #include <stdarg.h>
  23
  24 #define NONAMELESSSTRUCT
  25 #define NONAMELESSUNION
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "mmsystem.h"
  29 #include "winreg.h"
  30 #include "winternl.h"
  31 #include "mmddk.h"
  32 #include "wine/debug.h"
  33 #include "dsound.h"
  34 #include "dsdriver.h"
  35 #include "dsound_private.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(dsound);
  38
  39 void DSOUND_RecalcPrimary(DirectSoundDevice *device)
  40 {
  41         DWORD nBlockAlign;
  42         TRACE("(%p)\n", device);
  43
  44         nBlockAlign = device->pwfx->nBlockAlign;
  45         if (device->hwbuf) {
  46                 DWORD fraglen;
  47                 /* let fragment size approximate the timer delay */
  48                 fraglen = (device->pwfx->nSamplesPerSec * DS_TIME_DEL / 1000) * nBlockAlign;
  49                 /* reduce fragment size until an integer number of them fits in the buffer */
  50                 /* (FIXME: this may or may not be a good idea) */
  51                 while (device->buflen % fraglen) fraglen -= nBlockAlign;
  52                 device->fraglen = fraglen;
  53                 TRACE("fraglen=%ld\n", device->fraglen);
  54         }
  55         /* calculate the 10ms write lead */
  56         device->writelead = (device->pwfx->nSamplesPerSec / 100) * nBlockAlign;
  57 }
  58
  59 static HRESULT DSOUND_PrimaryOpen(DirectSoundDevice *device)
  60 {
  61         HRESULT err = DS_OK;
  62         TRACE("(%p)\n", device);
  63
  64         /* are we using waveOut stuff? */
  65         if (!device->driver) {
  66                 LPBYTE newbuf;
  67                 DWORD buflen;
  68                 HRESULT merr = DS_OK;
  69                 /* Start in pause mode, to allow buffers to get filled */
  70                 waveOutPause(device->hwo);
  71                 if (device->state == STATE_PLAYING) device->state = STATE_STARTING;
  72                 else if (device->state == STATE_STOPPING) device->state = STATE_STOPPED;
  73                 /* use fragments of 10ms (1/100s) each (which should get us within
  74                  * the documented write cursor lead of 10-15ms) */
  75                 buflen = ((device->pwfx->nSamplesPerSec / 100) * device->pwfx->nBlockAlign) * DS_HEL_FRAGS;
  76                 TRACE("desired buflen=%ld, old buffer=%p\n", buflen, device->buffer);
  77                 /* reallocate emulated primary buffer */
  78
  79                 if (device->buffer)
  80                         newbuf = HeapReAlloc(GetProcessHeap(),0,device->buffer,buflen);
  81                 else
  82                         newbuf = HeapAlloc(GetProcessHeap(),0,buflen);
  83
  84                 if (newbuf == NULL) {
  85                         ERR("failed to allocate primary buffer\n");
  86                         merr = DSERR_OUTOFMEMORY;
  87                         /* but the old buffer might still exist and must be re-prepared */
  88                 } else {
  89                         device->buffer = newbuf;
  90                         device->buflen = buflen;
  91                 }
  92                 if (device->buffer) {
  93                         unsigned c;
  94
  95                         device->fraglen = device->buflen / DS_HEL_FRAGS;
  96
  97                         /* prepare fragment headers */
  98                         for (c=0; c<DS_HEL_FRAGS; c++) {
  99                                 device->pwave[c]->lpData = (char*)device->buffer + c*device->fraglen;
 100                                 device->pwave[c]->dwBufferLength = device->fraglen;
 101                                 device->pwave[c]->dwUser = (DWORD)device;
 102                                 device->pwave[c]->dwFlags = 0;
 103                                 device->pwave[c]->dwLoops = 0;
 104                                 err = mmErr(waveOutPrepareHeader(device->hwo,device->pwave[c],sizeof(WAVEHDR)));
 105                                 if (err != DS_OK) {
 106                                         while (c--)
 107                                                 waveOutUnprepareHeader(device->hwo,device->pwave[c],sizeof(WAVEHDR));
 108                                         break;
 109                                 }
 110                         }
 111
 112                         device->pwplay = 0;
 113                         device->pwwrite = 0;
 114                         device->pwqueue = 0;
 115                         device->playpos = 0;
 116                         device->mixpos = 0;
 117                         FillMemory(device->buffer, device->buflen, (device->pwfx->wBitsPerSample == 8) ? 128 : 0);
 118                         TRACE("fraglen=%ld\n", device->fraglen);
 119                         DSOUND_WaveQueue(device, (DWORD)-1);
 120                 }
 121                 if ((err == DS_OK) && (merr != DS_OK))
 122                         err = merr;
 123         } else if (!device->hwbuf) {
 124                 err = IDsDriver_CreateSoundBuffer(device->driver,device->pwfx,
 125                                                   DSBCAPS_PRIMARYBUFFER,0,
 126                                                   &(device->buflen),&(device->buffer),
 127                                                   (LPVOID*)&(device->hwbuf));
 128                 if (err != DS_OK) {
 129                         WARN("IDsDriver_CreateSoundBuffer failed\n");
 130                         return err;
 131                 }
 132
 133                 if (device->state == STATE_PLAYING) device->state = STATE_STARTING;
 134                 else if (device->state == STATE_STOPPING) device->state = STATE_STOPPED;
 135                 device->playpos = 0;
 136                 device->mixpos = 0;
 137                 FillMemory(device->buffer, device->buflen, (device->pwfx->wBitsPerSample == 8) ? 128 : 0);
 138         }
 139
 140         return err;
 141 }
 142
 143
 144 static void DSOUND_PrimaryClose(DirectSoundDevice *device)
 145 {
 146         TRACE("(%p)\n", device);
 147
 148         /* are we using waveOut stuff? */
 149         if (!device->hwbuf) {
 150                 unsigned c;
 151
 152                 device->pwqueue = (DWORD)-1; /* resetting queues */
 153                 waveOutReset(device->hwo);
 154                 for (c=0; c<DS_HEL_FRAGS; c++)
 155                         waveOutUnprepareHeader(device->hwo, device->pwave[c], sizeof(WAVEHDR));
 156                 device->pwqueue = 0;
 157         } else {
 158                 if (IDsDriverBuffer_Release(device->hwbuf) == 0)
 159                         device->hwbuf = 0;
 160         }
 161 }
 162
 163 HRESULT DSOUND_PrimaryCreate(DirectSoundDevice *device)
 164 {
 165         HRESULT err = DS_OK;
 166         TRACE("(%p)\n", device);
 167
 168         device->buflen = device->pwfx->nAvgBytesPerSec;
 169
 170         /* FIXME: verify that hardware capabilities (DSCAPS_PRIMARY flags) match */
 171
 172         if (device->driver) {
 173                 err = IDsDriver_CreateSoundBuffer(device->driver,device->pwfx,
 174                                                   DSBCAPS_PRIMARYBUFFER,0,
 175                                                   &(device->buflen),&(device->buffer),
 176                                                   (LPVOID*)&(device->hwbuf));
 177                 if (err != DS_OK) {
 178                         WARN("IDsDriver_CreateSoundBuffer failed\n");
 179                         return err;
 180                 }
 181         }
 182         if (!device->hwbuf) {
 183                 /* Allocate memory for HEL buffer headers */
 184                 unsigned c;
 185                 for (c=0; c<DS_HEL_FRAGS; c++) {
 186                         device->pwave[c] = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(WAVEHDR));
 187                         if (!device->pwave[c]) {
 188                                 /* Argh, out of memory */
 189                                 while (c--) {
 190                                         HeapFree(GetProcessHeap(),0,device->pwave[c]);
 191                                 }
 192                                 WARN("out of memory\n");
 193                                 return DSERR_OUTOFMEMORY;
 194                         }
 195                 }
 196         }
 197
 198         err = DSOUND_PrimaryOpen(device);
 199
 200         if (err != DS_OK) {
 201                 WARN("DSOUND_PrimaryOpen failed\n");
 202                 return err;
 203         }
 204
 205         /* calculate fragment size and write lead */
 206         DSOUND_RecalcPrimary(device);
 207         device->state = STATE_STOPPED;
 208         return DS_OK;
 209 }
 210
 211 HRESULT DSOUND_PrimaryDestroy(DirectSoundDevice *device)
 212 {
 213         TRACE("(%p)\n", device);
 214
 215         DSOUND_PrimaryClose(device);
 216         if (device->driver) {
 217                 if (device->hwbuf) {
 218                         if (IDsDriverBuffer_Release(device->hwbuf) == 0)
 219                                 device->hwbuf = 0;
 220                 }
 221         } else {
 222                 unsigned c;
 223                 for (c=0; c<DS_HEL_FRAGS; c++) {
 224                         HeapFree(GetProcessHeap(),0,device->pwave[c]);
 225                 }
 226         }
 227         HeapFree(GetProcessHeap(),0,device->pwfx);
 228         device->pwfx=NULL;
 229         return DS_OK;
 230 }
 231
 232 HRESULT DSOUND_PrimaryPlay(DirectSoundDevice *device)
 233 {
 234         HRESULT err = DS_OK;
 235         TRACE("(%p)\n", device);
 236
 237         if (device->hwbuf) {
 238                 err = IDsDriverBuffer_Play(device->hwbuf, 0, 0, DSBPLAY_LOOPING);
 239                 if (err != DS_OK)
 240                         WARN("IDsDriverBuffer_Play failed\n");
 241         } else {
 242                 err = mmErr(waveOutRestart(device->hwo));
 243                 if (err != DS_OK)
 244                         WARN("waveOutRestart failed\n");
 245         }
 246
 247         return err;
 248 }
 249
 250 HRESULT DSOUND_PrimaryStop(DirectSoundDevice *device)
 251 {
 252         HRESULT err = DS_OK;
 253         TRACE("(%p)\n", device);
 254
 255         if (device->hwbuf) {
 256                 err = IDsDriverBuffer_Stop(device->hwbuf);
 257                 if (err == DSERR_BUFFERLOST) {
 258                         DWORD flags = CALLBACK_FUNCTION;
 259                         if (ds_hw_accel != DS_HW_ACCEL_EMULATION)
 260                                 flags |= WAVE_DIRECTSOUND;
 261                         /* Wine-only: the driver wants us to reopen the device */
 262                         /* FIXME: check for errors */
 263                         IDsDriverBuffer_Release(device->hwbuf);
 264                         waveOutClose(device->hwo);
 265                         device->hwo = 0;
 266                         err = mmErr(waveOutOpen(&(device->hwo), device->drvdesc.dnDevNode,
 267                                                 device->pwfx, (DWORD_PTR)DSOUND_callback, (DWORD)device,
 268                                                 flags));
 269                         if (err == DS_OK) {
 270                                 err = IDsDriver_CreateSoundBuffer(device->driver,device->pwfx,
 271                                                                   DSBCAPS_PRIMARYBUFFER,0,
 272                                                                   &(device->buflen),&(device->buffer),
 273                                                                   (LPVOID)&(device->hwbuf));
 274                                 if (err != DS_OK)
 275                                         WARN("IDsDriver_CreateSoundBuffer failed\n");
 276                         } else {
 277                                 WARN("waveOutOpen failed\n");
 278                         }
 279                 } else if (err != DS_OK) {
 280                         WARN("IDsDriverBuffer_Stop failed\n");
 281                 }
 282         } else {
 283                 err = mmErr(waveOutPause(device->hwo));
 284                 if (err != DS_OK)
 285                         WARN("waveOutPause failed\n");
 286         }
 287         return err;
 288 }
 289
 290 HRESULT DSOUND_PrimaryGetPosition(DirectSoundDevice *device, LPDWORD playpos, LPDWORD writepos)
 291 {
 292         TRACE("(%p,%p,%p)\n", device, playpos, writepos);
 293
 294         if (device->hwbuf) {
 295                 HRESULT err=IDsDriverBuffer_GetPosition(device->hwbuf,playpos,writepos);
 296                 if (err) {
 297                         WARN("IDsDriverBuffer_GetPosition failed\n");
 298                         return err;
 299                 }
 300         } else {
 301                 if (playpos) {
 302                         MMTIME mtime;
 303                         mtime.wType = TIME_BYTES;
 304                         waveOutGetPosition(device->hwo, &mtime, sizeof(mtime));
 305                         mtime.u.cb = mtime.u.cb % device->buflen;
 306                         *playpos = mtime.u.cb;
 307                 }
 308                 if (writepos) {
 309                         /* the writepos should only be used by apps with WRITEPRIMARY priority,
 310                          * in which case our software mixer is disabled anyway */
 311                         *writepos = (device->pwplay + ds_hel_margin) * device->fraglen;
 312                         while (*writepos >= device->buflen)
 313                                 *writepos -= device->buflen;
 314                 }
 315         }
 316         TRACE("playpos = %ld, writepos = %ld (%p, time=%ld)\n", playpos?*playpos:0, writepos?*writepos:0, device, GetTickCount());
 317         return DS_OK;
 318 }
 319
 320 /*******************************************************************************
 321  *              PrimaryBuffer
 322  */
 323 /* This sets this format for the <em>Primary Buffer Only</em> */
 324 /* See file:///cdrom/sdk52/docs/worddoc/dsound.doc page 120 */
 325 static HRESULT WINAPI PrimaryBufferImpl_SetFormat(
 326         LPDIRECTSOUNDBUFFER8 iface,LPCWAVEFORMATEX wfex
 327 ) {
 328         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->dsound->device;
 329         HRESULT err = DS_OK;
 330         int i, alloc_size, cp_size;
 331         DWORD nSamplesPerSec;
 332         TRACE("(%p,%p)\n", iface, wfex);
 333
 334         if (device->priolevel == DSSCL_NORMAL) {
 335                 WARN("failed priority check!\n");
 336                 return DSERR_PRIOLEVELNEEDED;
 337         }
 338
 339         /* Let's be pedantic! */
 340         if (wfex == NULL) {
 341                 WARN("invalid parameter: wfex==NULL!\n");
 342                 return DSERR_INVALIDPARAM;
 343         }
 344         TRACE("(formattag=0x%04x,chans=%d,samplerate=%ld,"
 345               "bytespersec=%ld,blockalign=%d,bitspersamp=%d,cbSize=%d)\n",
 346               wfex->wFormatTag, wfex->nChannels, wfex->nSamplesPerSec,
 347               wfex->nAvgBytesPerSec, wfex->nBlockAlign,
 348               wfex->wBitsPerSample, wfex->cbSize);
 349
 350         /* **** */
 351         RtlAcquireResourceExclusive(&(device->buffer_list_lock), TRUE);
 352         EnterCriticalSection(&(device->mixlock));
 353
 354         if (wfex->wFormatTag == WAVE_FORMAT_PCM) {
 355             alloc_size = sizeof(WAVEFORMATEX);
 356             cp_size = sizeof(PCMWAVEFORMAT);
 357         } else
 358             alloc_size = cp_size = sizeof(WAVEFORMATEX) + wfex->cbSize;
 359
 360         device->pwfx = HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,device->pwfx,alloc_size);
 361
 362         nSamplesPerSec = device->pwfx->nSamplesPerSec;
 363
 364         CopyMemory(device->pwfx, wfex, cp_size);
 365
 366         if (device->drvdesc.dwFlags & DSDDESC_DOMMSYSTEMSETFORMAT) {
 367                 DWORD flags = CALLBACK_FUNCTION;
 368                 if (ds_hw_accel != DS_HW_ACCEL_EMULATION)
 369                         flags |= WAVE_DIRECTSOUND;
 370                 /* FIXME: check for errors */
 371                 DSOUND_PrimaryClose(device);
 372                 waveOutClose(device->hwo);
 373                 device->hwo = 0;
 374                 err = mmErr(waveOutOpen(&(device->hwo), device->drvdesc.dnDevNode,
 375                                         device->pwfx, (DWORD_PTR)DSOUND_callback, (DWORD)device,
 376                                         flags));
 377                 if (err == DS_OK) {
 378                     err = DSOUND_PrimaryOpen(device);
 379                     if (err != DS_OK) {
 380                         WARN("DSOUND_PrimaryOpen failed\n");
 381                         goto done;
 382                     }
 383                 } else {
 384                         WARN("waveOutOpen failed\n");
 385                         goto done;
 386                 }
 387         } else if (device->hwbuf) {
 388                 err = IDsDriverBuffer_SetFormat(device->hwbuf, device->pwfx);
 389                 if (err == DSERR_BUFFERLOST) {
 390                         /* Wine-only: the driver wants us to recreate the HW buffer */
 391                         IDsDriverBuffer_Release(device->hwbuf);
 392                         err = IDsDriver_CreateSoundBuffer(device->driver,device->pwfx,
 393                                                           DSBCAPS_PRIMARYBUFFER,0,
 394                                                           &(device->buflen),&(device->buffer),
 395                                                           (LPVOID)&(device->hwbuf));
 396                         if (err != DS_OK) {
 397                                 WARN("IDsDriver_CreateSoundBuffer failed\n");
 398                                 goto done;
 399                         }
 400                         if (device->state == STATE_PLAYING) device->state = STATE_STARTING;
 401                         else if (device->state == STATE_STOPPING) device->state = STATE_STOPPED;
 402                 } else {
 403                         WARN("IDsDriverBuffer_SetFormat failed\n");
 404                         goto done;
 405                 }
 406                 /* FIXME: should we set err back to DS_OK in all cases ? */
 407         }
 408         DSOUND_RecalcPrimary(device);
 409
 410         if (nSamplesPerSec != device->pwfx->nSamplesPerSec) {
 411                 IDirectSoundBufferImpl** dsb = device->buffers;
 412                 for (i = 0; i < device->nrofbuffers; i++, dsb++) {
 413                         /* **** */
 414                         EnterCriticalSection(&((*dsb)->lock));
 415
 416                         (*dsb)->freqAdjust = ((*dsb)->freq << DSOUND_FREQSHIFT) /
 417                                 wfex->nSamplesPerSec;
 418
 419                         LeaveCriticalSection(&((*dsb)->lock));
 420                         /* **** */
 421                 }
 422         }
 423
 424 done:
 425         LeaveCriticalSection(&(device->mixlock));
 426         RtlReleaseResource(&(device->buffer_list_lock));
 427         /* **** */
 428
 429         return err;
 430 }
 431
 432 static HRESULT WINAPI PrimaryBufferImpl_SetVolume(
 433         LPDIRECTSOUNDBUFFER8 iface,LONG vol
 434 ) {
 435         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->dsound->device;
 436         DWORD ampfactors;
 437         DSVOLUMEPAN volpan;
 438         HRESULT hres = DS_OK;
 439         TRACE("(%p,%ld)\n", iface, vol);
 440
 441         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 442                 WARN("control unavailable\n");
 443                 return DSERR_CONTROLUNAVAIL;
 444         }
 445
 446         if ((vol > DSBVOLUME_MAX) || (vol < DSBVOLUME_MIN)) {
 447                 WARN("invalid parameter: vol = %ld\n", vol);
 448                 return DSERR_INVALIDPARAM;
 449         }
 450
 451         /* **** */
 452         EnterCriticalSection(&(device->mixlock));
 453
 454         waveOutGetVolume(device->hwo, &ampfactors);
 455         volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 456         volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 457         DSOUND_AmpFactorToVolPan(&volpan);
 458         if (vol != volpan.lVolume) {
 459             volpan.lVolume=vol;
 460             DSOUND_RecalcVolPan(&volpan);
 461             if (device->hwbuf) {
 462                 hres = IDsDriverBuffer_SetVolumePan(device->hwbuf, &volpan);
 463                 if (hres != DS_OK)
 464                     WARN("IDsDriverBuffer_SetVolumePan failed\n");
 465             } else {
 466                 ampfactors = (volpan.dwTotalLeftAmpFactor & 0xffff) | (volpan.dwTotalRightAmpFactor << 16);
 467                 waveOutSetVolume(device->hwo, ampfactors);
 468             }
 469         }
 470
 471         LeaveCriticalSection(&(device->mixlock));
 472         /* **** */
 473
 474         return hres;
 475 }
 476
 477 static HRESULT WINAPI PrimaryBufferImpl_GetVolume(
 478         LPDIRECTSOUNDBUFFER8 iface,LPLONG vol
 479 ) {
 480         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->dsound->device;
 481         DWORD ampfactors;
 482         DSVOLUMEPAN volpan;
 483         TRACE("(%p,%p)\n", iface, vol);
 484
 485         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 486                 WARN("control unavailable\n");
 487                 return DSERR_CONTROLUNAVAIL;
 488         }
 489
 490         if (vol == NULL) {
 491                 WARN("invalid parameter: vol = NULL\n");
 492                 return DSERR_INVALIDPARAM;
 493         }
 494
 495         waveOutGetVolume(device->hwo, &ampfactors);
 496         volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 497         volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 498         DSOUND_AmpFactorToVolPan(&volpan);
 499         *vol = volpan.lVolume;
 500         return DS_OK;
 501 }
 502
 503 static HRESULT WINAPI PrimaryBufferImpl_SetFrequency(
 504         LPDIRECTSOUNDBUFFER8 iface,DWORD freq
 505 ) {
 506         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 507         TRACE("(%p,%ld)\n",This,freq);
 508
 509         /* You cannot set the frequency of the primary buffer */
 510         WARN("control unavailable\n");
 511         return DSERR_CONTROLUNAVAIL;
 512 }
 513
 514 static HRESULT WINAPI PrimaryBufferImpl_Play(
 515         LPDIRECTSOUNDBUFFER8 iface,DWORD reserved1,DWORD reserved2,DWORD flags
 516 ) {
 517         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->dsound->device;
 518         TRACE("(%p,%08lx,%08lx,%08lx)\n", iface, reserved1, reserved2, flags);
 519
 520         if (!(flags & DSBPLAY_LOOPING)) {
 521                 WARN("invalid parameter: flags = %08lx\n", flags);
 522                 return DSERR_INVALIDPARAM;
 523         }
 524
 525         /* **** */
 526         EnterCriticalSection(&(device->mixlock));
 527
 528         if (device->state == STATE_STOPPED)
 529                 device->state = STATE_STARTING;
 530         else if (device->state == STATE_STOPPING)
 531                 device->state = STATE_PLAYING;
 532
 533         LeaveCriticalSection(&(device->mixlock));
 534         /* **** */
 535
 536         return DS_OK;
 537 }
 538
 539 static HRESULT WINAPI PrimaryBufferImpl_Stop(LPDIRECTSOUNDBUFFER8 iface)
 540 {
 541         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->dsound->device;
 542         TRACE("(%p)\n", iface);
 543
 544         /* **** */
 545         EnterCriticalSection(&(device->mixlock));
 546
 547         if (device->state == STATE_PLAYING)
 548                 device->state = STATE_STOPPING;
 549         else if (device->state == STATE_STARTING)
 550                 device->state = STATE_STOPPED;
 551
 552         LeaveCriticalSection(&(device->mixlock));
 553         /* **** */
 554
 555         return DS_OK;
 556 }
 557
 558 static ULONG WINAPI PrimaryBufferImpl_AddRef(LPDIRECTSOUNDBUFFER8 iface)
 559 {
 560     PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 561     ULONG ref = InterlockedIncrement(&(This->ref));
 562     TRACE("(%p) ref was %ld\n", This, ref - 1);
 563     return ref;
 564 }
 565
 566 static ULONG WINAPI PrimaryBufferImpl_Release(LPDIRECTSOUNDBUFFER8 iface)
 567 {
 568     PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 569     DWORD ref = InterlockedDecrement(&(This->ref));
 570     TRACE("(%p) ref was %ld\n", This, ref + 1);
 571
 572     if (!ref) {
 573         This->dsound->device->primary = NULL;
 574         HeapFree(GetProcessHeap(), 0, This);
 575         TRACE("(%p) released\n", This);
 576     }
 577     return ref;
 578 }
 579
 580 static HRESULT WINAPI PrimaryBufferImpl_GetCurrentPosition(
 581         LPDIRECTSOUNDBUFFER8 iface,LPDWORD playpos,LPDWORD writepos
 582 ) {
 583         HRESULT hres;
 584         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->dsound->device;
 585         TRACE("(%p,%p,%p)\n", iface, playpos, writepos);
 586
 587         hres = DSOUND_PrimaryGetPosition(device, playpos, writepos);
 588         if (hres != DS_OK) {
 589                 WARN("DSOUND_PrimaryGetPosition failed\n");
 590                 return hres;
 591         }
 592         if (writepos) {
 593                 if (device->state != STATE_STOPPED)
 594                         /* apply the documented 10ms lead to writepos */
 595                         *writepos += device->writelead;
 596                 while (*writepos >= device->buflen) *writepos -= device->buflen;
 597         }
 598         TRACE("playpos = %ld, writepos = %ld (%p, time=%ld)\n", playpos?*playpos:0, writepos?*writepos:0, device, GetTickCount());
 599         return DS_OK;
 600 }
 601
 602 static HRESULT WINAPI PrimaryBufferImpl_GetStatus(
 603         LPDIRECTSOUNDBUFFER8 iface,LPDWORD status
 604 ) {
 605         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->dsound->device;
 606         TRACE("(%p,%p)\n", iface, status);
 607
 608         if (status == NULL) {
 609                 WARN("invalid parameter: status == NULL\n");
 610                 return DSERR_INVALIDPARAM;
 611         }
 612
 613         *status = 0;
 614         if ((device->state == STATE_STARTING) ||
 615             (device->state == STATE_PLAYING))
 616                 *status |= DSBSTATUS_PLAYING | DSBSTATUS_LOOPING;
 617
 618         TRACE("status=%lx\n", *status);
 619         return DS_OK;
 620 }
 621
 622
 623 static HRESULT WINAPI PrimaryBufferImpl_GetFormat(
 624     LPDIRECTSOUNDBUFFER8 iface,
 625     LPWAVEFORMATEX lpwf,
 626     DWORD wfsize,
 627     LPDWORD wfwritten)
 628 {
 629     DWORD size;
 630     DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->dsound->device;
 631     TRACE("(%p,%p,%ld,%p)\n", iface, lpwf, wfsize, wfwritten);
 632
 633     size = sizeof(WAVEFORMATEX) + device->pwfx->cbSize;
 634
 635     if (lpwf) { /* NULL is valid */
 636         if (wfsize >= size) {
 637             CopyMemory(lpwf,device->pwfx,size);
 638             if (wfwritten)
 639                 *wfwritten = size;
 640         } else {
 641             WARN("invalid parameter: wfsize too small\n");
 642             if (wfwritten)
 643                 *wfwritten = 0;
 644             return DSERR_INVALIDPARAM;
 645         }
 646     } else {
 647         if (wfwritten)
 648             *wfwritten = sizeof(WAVEFORMATEX) + device->pwfx->cbSize;
 649         else {
 650             WARN("invalid parameter: wfwritten == NULL\n");
 651             return DSERR_INVALIDPARAM;
 652         }
 653     }
 654
 655     return DS_OK;
 656 }
 657
 658 static HRESULT WINAPI PrimaryBufferImpl_Lock(
 659         LPDIRECTSOUNDBUFFER8 iface,DWORD writecursor,DWORD writebytes,LPVOID lplpaudioptr1,LPDWORD audiobytes1,LPVOID lplpaudioptr2,LPDWORD audiobytes2,DWORD flags
 660 ) {
 661         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->dsound->device;
 662         TRACE("(%p,%ld,%ld,%p,%p,%p,%p,0x%08lx) at %ld\n",
 663                 iface,
 664                 writecursor,
 665                 writebytes,
 666                 lplpaudioptr1,
 667                 audiobytes1,
 668                 lplpaudioptr2,
 669                 audiobytes2,
 670                 flags,
 671                 GetTickCount()
 672         );
 673
 674         if (device->priolevel != DSSCL_WRITEPRIMARY) {
 675                 WARN("failed priority check!\n");
 676                 return DSERR_PRIOLEVELNEEDED;
 677         }
 678
 679         if (flags & DSBLOCK_FROMWRITECURSOR) {
 680                 DWORD writepos;
 681                 HRESULT hres;
 682                 /* GetCurrentPosition does too much magic to duplicate here */
 683                 hres = IDirectSoundBuffer_GetCurrentPosition(iface, NULL, &writepos);
 684                 if (hres != DS_OK) {
 685                         WARN("IDirectSoundBuffer_GetCurrentPosition failed\n");
 686                         return hres;
 687                 }
 688                 writecursor += writepos;
 689         }
 690         while (writecursor >= device->buflen)
 691                 writecursor -= device->buflen;
 692         if (flags & DSBLOCK_ENTIREBUFFER)
 693                 writebytes = device->buflen;
 694         if (writebytes > device->buflen)
 695                 writebytes = device->buflen;
 696
 697         if (!(device->drvdesc.dwFlags & DSDDESC_DONTNEEDPRIMARYLOCK) && device->hwbuf) {
 698                 HRESULT hres;
 699                 hres = IDsDriverBuffer_Lock(device->hwbuf,
 700                                             lplpaudioptr1, audiobytes1,
 701                                             lplpaudioptr2, audiobytes2,
 702                                             writecursor, writebytes,
 703                                             0);
 704                 if (hres != DS_OK) {
 705                         WARN("IDsDriverBuffer_Lock failed\n");
 706                         return hres;
 707                 }
 708         } else {
 709                 if (writecursor+writebytes <= device->buflen) {
 710                         *(LPBYTE*)lplpaudioptr1 = device->buffer+writecursor;
 711                         *audiobytes1 = writebytes;
 712                         if (lplpaudioptr2)
 713                                 *(LPBYTE*)lplpaudioptr2 = NULL;
 714                         if (audiobytes2)
 715                                 *audiobytes2 = 0;
 716                         TRACE("->%ld.0\n",writebytes);
 717                 } else {
 718                         *(LPBYTE*)lplpaudioptr1 = device->buffer+writecursor;
 719                         *audiobytes1 = device->buflen-writecursor;
 720                         if (lplpaudioptr2)
 721                                 *(LPBYTE*)lplpaudioptr2 = device->buffer;
 722                         if (audiobytes2)
 723                                 *audiobytes2 = writebytes-(device->buflen-writecursor);
 724                         TRACE("->%ld.%ld\n",*audiobytes1,audiobytes2?*audiobytes2:0);
 725                 }
 726         }
 727         return DS_OK;
 728 }
 729
 730 static HRESULT WINAPI PrimaryBufferImpl_SetCurrentPosition(
 731         LPDIRECTSOUNDBUFFER8 iface,DWORD newpos
 732 ) {
 733         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 734         TRACE("(%p,%ld)\n",This,newpos);
 735
 736         /* You cannot set the position of the primary buffer */
 737         WARN("invalid call\n");
 738         return DSERR_INVALIDCALL;
 739 }
 740
 741 static HRESULT WINAPI PrimaryBufferImpl_SetPan(
 742         LPDIRECTSOUNDBUFFER8 iface,LONG pan
 743 ) {
 744         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->dsound->device;
 745         DWORD ampfactors;
 746         DSVOLUMEPAN volpan;
 747         HRESULT hres = DS_OK;
 748         TRACE("(%p,%ld)\n", iface, pan);
 749
 750         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
 751                 WARN("control unavailable\n");
 752                 return DSERR_CONTROLUNAVAIL;
 753         }
 754
 755         if ((pan > DSBPAN_RIGHT) || (pan < DSBPAN_LEFT)) {
 756                 WARN("invalid parameter: pan = %ld\n", pan);
 757                 return DSERR_INVALIDPARAM;
 758         }
 759
 760         /* **** */
 761         EnterCriticalSection(&(device->mixlock));
 762
 763         waveOutGetVolume(device->hwo, &ampfactors);
 764         volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 765         volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 766         DSOUND_AmpFactorToVolPan(&volpan);
 767         if (pan != volpan.lPan) {
 768             volpan.lPan=pan;
 769             DSOUND_RecalcVolPan(&volpan);
 770             if (device->hwbuf) {
 771                 hres = IDsDriverBuffer_SetVolumePan(device->hwbuf, &volpan);
 772                 if (hres != DS_OK)
 773                     WARN("IDsDriverBuffer_SetVolumePan failed\n");
 774             } else {
 775                 ampfactors = (volpan.dwTotalLeftAmpFactor & 0xffff) | (volpan.dwTotalRightAmpFactor << 16);
 776                 waveOutSetVolume(device->hwo, ampfactors);
 777             }
 778         }
 779
 780         LeaveCriticalSection(&(device->mixlock));
 781         /* **** */
 782
 783         return hres;
 784 }
 785
 786 static HRESULT WINAPI PrimaryBufferImpl_GetPan(
 787         LPDIRECTSOUNDBUFFER8 iface,LPLONG pan
 788 ) {
 789         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->dsound->device;
 790         DWORD ampfactors;
 791         DSVOLUMEPAN volpan;
 792         TRACE("(%p,%p)\n", iface, pan);
 793
 794         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
 795                 WARN("control unavailable\n");
 796                 return DSERR_CONTROLUNAVAIL;
 797         }
 798
 799         if (pan == NULL) {
 800                 WARN("invalid parameter: pan == NULL\n");
 801                 return DSERR_INVALIDPARAM;
 802         }
 803
 804         waveOutGetVolume(device->hwo, &ampfactors);
 805         volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 806         volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 807         DSOUND_AmpFactorToVolPan(&volpan);
 808         *pan = volpan.lPan;
 809         return DS_OK;
 810 }
 811
 812 static HRESULT WINAPI PrimaryBufferImpl_Unlock(
 813         LPDIRECTSOUNDBUFFER8 iface,LPVOID p1,DWORD x1,LPVOID p2,DWORD x2
 814 ) {
 815         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->dsound->device;
 816         TRACE("(%p,%p,%ld,%p,%ld)\n", iface, p1, x1, p2, x2);
 817
 818         if (device->priolevel != DSSCL_WRITEPRIMARY) {
 819                 WARN("failed priority check!\n");
 820                 return DSERR_PRIOLEVELNEEDED;
 821         }
 822
 823         if (!(device->drvdesc.dwFlags & DSDDESC_DONTNEEDPRIMARYLOCK) && device->hwbuf) {
 824                 HRESULT hres;
 825
 826                 hres = IDsDriverBuffer_Unlock(device->hwbuf, p1, x1, p2, x2);
 827                 if (hres != DS_OK) {
 828                         WARN("IDsDriverBuffer_Unlock failed\n");
 829                         return hres;
 830                 }
 831         }
 832
 833         return DS_OK;
 834 }
 835
 836 static HRESULT WINAPI PrimaryBufferImpl_Restore(
 837         LPDIRECTSOUNDBUFFER8 iface
 838 ) {
 839         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 840         FIXME("(%p):stub\n",This);
 841         return DS_OK;
 842 }
 843
 844 static HRESULT WINAPI PrimaryBufferImpl_GetFrequency(
 845         LPDIRECTSOUNDBUFFER8 iface,LPDWORD freq
 846 ) {
 847         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->dsound->device;
 848         TRACE("(%p,%p)\n", iface, freq);
 849
 850         if (freq == NULL) {
 851                 WARN("invalid parameter: freq == NULL\n");
 852                 return DSERR_INVALIDPARAM;
 853         }
 854
 855         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLFREQUENCY)) {
 856                 WARN("control unavailable\n");
 857                 return DSERR_CONTROLUNAVAIL;
 858         }
 859
 860         *freq = device->pwfx->nSamplesPerSec;
 861         TRACE("-> %ld\n", *freq);
 862
 863         return DS_OK;
 864 }
 865
 866 static HRESULT WINAPI PrimaryBufferImpl_SetFX(
 867         LPDIRECTSOUNDBUFFER8 iface,DWORD dwEffectsCount,LPDSEFFECTDESC pDSFXDesc,LPDWORD pdwResultCodes
 868 ) {
 869         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 870         DWORD u;
 871         FIXME("(%p,%lu,%p,%p): stub\n",This,dwEffectsCount,pDSFXDesc,pdwResultCodes);
 872
 873         if (pdwResultCodes)
 874                 for (u=0; u<dwEffectsCount; u++) pdwResultCodes[u] = DSFXR_UNKNOWN;
 875
 876         WARN("control unavailable\n");
 877         return DSERR_CONTROLUNAVAIL;
 878 }
 879
 880 static HRESULT WINAPI PrimaryBufferImpl_AcquireResources(
 881         LPDIRECTSOUNDBUFFER8 iface,DWORD dwFlags,DWORD dwEffectsCount,LPDWORD pdwResultCodes
 882 ) {
 883         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 884         DWORD u;
 885         FIXME("(%p,%08lu,%lu,%p): stub\n",This,dwFlags,dwEffectsCount,pdwResultCodes);
 886
 887         if (pdwResultCodes)
 888                 for (u=0; u<dwEffectsCount; u++) pdwResultCodes[u] = DSFXR_UNKNOWN;
 889
 890         WARN("control unavailable\n");
 891         return DSERR_CONTROLUNAVAIL;
 892 }
 893
 894 static HRESULT WINAPI PrimaryBufferImpl_GetObjectInPath(
 895         LPDIRECTSOUNDBUFFER8 iface,REFGUID rguidObject,DWORD dwIndex,REFGUID rguidInterface,LPVOID* ppObject
 896 ) {
 897         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 898         FIXME("(%p,%s,%lu,%s,%p): stub\n",This,debugstr_guid(rguidObject),dwIndex,debugstr_guid(rguidInterface),ppObject);
 899
 900         WARN("control unavailable\n");
 901         return DSERR_CONTROLUNAVAIL;
 902 }
 903
 904 static HRESULT WINAPI PrimaryBufferImpl_Initialize(
 905         LPDIRECTSOUNDBUFFER8 iface,LPDIRECTSOUND dsound,LPCDSBUFFERDESC dbsd
 906 ) {
 907         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 908         FIXME("(%p,%p,%p):stub\n",This,dsound,dbsd);
 909         DPRINTF("Re-Init!!!\n");
 910         WARN("already initialized\n");
 911         return DSERR_ALREADYINITIALIZED;
 912 }
 913
 914 static HRESULT WINAPI PrimaryBufferImpl_GetCaps(
 915         LPDIRECTSOUNDBUFFER8 iface,LPDSBCAPS caps
 916 ) {
 917         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->dsound->device;
 918         TRACE("(%p,%p)\n", iface, caps);
 919
 920         if (caps == NULL) {
 921                 WARN("invalid parameter: caps == NULL\n");
 922                 return DSERR_INVALIDPARAM;
 923         }
 924
 925         if (caps->dwSize < sizeof(*caps)) {
 926                 WARN("invalid parameter: caps->dwSize = %ld: < %d\n", caps->dwSize, sizeof(*caps));
 927                 return DSERR_INVALIDPARAM;
 928         }
 929
 930         caps->dwFlags = device->dsbd.dwFlags;
 931         if (device->hwbuf) caps->dwFlags |= DSBCAPS_LOCHARDWARE;
 932         else caps->dwFlags |= DSBCAPS_LOCSOFTWARE;
 933
 934         caps->dwBufferBytes = device->buflen;
 935
 936         /* This value represents the speed of the "unlock" command.
 937            As unlock is quite fast (it does not do anything), I put
 938            4096 ko/s = 4 Mo / s */
 939         /* FIXME: hwbuf speed */
 940         caps->dwUnlockTransferRate = 4096;
 941         caps->dwPlayCpuOverhead = 0;
 942
 943         return DS_OK;
 944 }
 945
 946 static HRESULT WINAPI PrimaryBufferImpl_QueryInterface(
 947         LPDIRECTSOUNDBUFFER8 iface,REFIID riid,LPVOID *ppobj
 948 ) {
 949         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 950         DirectSoundDevice *device = This->dsound->device;
 951         TRACE("(%p,%s,%p)\n", iface, debugstr_guid(riid), ppobj);
 952
 953         if (ppobj == NULL) {
 954                 WARN("invalid parameter\n");
 955                 return E_INVALIDARG;
 956         }
 957
 958         *ppobj = NULL;  /* assume failure */
 959
 960         if ( IsEqualGUID(riid, &IID_IUnknown) ||
 961              IsEqualGUID(riid, &IID_IDirectSoundBuffer) ) {
 962                 IDirectSoundBuffer_AddRef((LPDIRECTSOUNDBUFFER)This);
 963                 *ppobj = This;
 964                 return S_OK;
 965         }
 966
 967         /* DirectSoundBuffer and DirectSoundBuffer8 are different and */
 968         /* a primary buffer can't have a DirectSoundBuffer8 interface */
 969         if ( IsEqualGUID( &IID_IDirectSoundBuffer8, riid ) ) {
 970                 WARN("app requested DirectSoundBuffer8 on primary buffer\n");
 971                 return E_NOINTERFACE;
 972         }
 973
 974         if ( IsEqualGUID( &IID_IDirectSoundNotify, riid ) ) {
 975                 ERR("app requested IDirectSoundNotify on primary buffer\n");
 976                 /* FIXME: should we support this? */
 977                 return E_NOINTERFACE;
 978         }
 979
 980         if ( IsEqualGUID( &IID_IDirectSound3DBuffer, riid ) ) {
 981                 ERR("app requested IDirectSound3DBuffer on primary buffer\n");
 982                 return E_NOINTERFACE;
 983         }
 984
 985         if ( IsEqualGUID( &IID_IDirectSound3DListener, riid ) ) {
 986                 if (!device->listener)
 987                         IDirectSound3DListenerImpl_Create(This, &device->listener);
 988                 if (device->listener) {
 989                         *ppobj = device->listener;
 990                         IDirectSound3DListener_AddRef((LPDIRECTSOUND3DLISTENER)*ppobj);
 991                         return S_OK;
 992                 }
 993
 994                 WARN("IID_IDirectSound3DListener failed\n");
 995                 return E_NOINTERFACE;
 996         }
 997
 998         if ( IsEqualGUID( &IID_IKsPropertySet, riid ) ) {
 999                 FIXME("app requested IKsPropertySet on primary buffer\n");
1000                 return E_NOINTERFACE;
1001         }
1002
1003         FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
1004         return E_NOINTERFACE;
1005 }
1006
1007 static const IDirectSoundBuffer8Vtbl dspbvt =
1008 {
1009         PrimaryBufferImpl_QueryInterface,
1010         PrimaryBufferImpl_AddRef,
1011         PrimaryBufferImpl_Release,
1012         PrimaryBufferImpl_GetCaps,
1013         PrimaryBufferImpl_GetCurrentPosition,
1014         PrimaryBufferImpl_GetFormat,
1015         PrimaryBufferImpl_GetVolume,
1016         PrimaryBufferImpl_GetPan,
1017         PrimaryBufferImpl_GetFrequency,
1018         PrimaryBufferImpl_GetStatus,
1019         PrimaryBufferImpl_Initialize,
1020         PrimaryBufferImpl_Lock,
1021         PrimaryBufferImpl_Play,
1022         PrimaryBufferImpl_SetCurrentPosition,
1023         PrimaryBufferImpl_SetFormat,
1024         PrimaryBufferImpl_SetVolume,
1025         PrimaryBufferImpl_SetPan,
1026         PrimaryBufferImpl_SetFrequency,
1027         PrimaryBufferImpl_Stop,
1028         PrimaryBufferImpl_Unlock,
1029         PrimaryBufferImpl_Restore,
1030         PrimaryBufferImpl_SetFX,
1031         PrimaryBufferImpl_AcquireResources,
1032         PrimaryBufferImpl_GetObjectInPath
1033 };
1034
1035 HRESULT WINAPI PrimaryBufferImpl_Create(
1036         IDirectSoundImpl *ds,
1037         PrimaryBufferImpl **pdsb,
1038         LPCDSBUFFERDESC dsbd)
1039 {
1040         PrimaryBufferImpl *dsb;
1041         TRACE("%p,%p,%p)\n",ds,pdsb,dsbd);
1042
1043         if (dsbd->lpwfxFormat) {
1044                 WARN("invalid parameter: dsbd->lpwfxFormat != NULL\n");
1045                 *pdsb = NULL;
1046                 return DSERR_INVALIDPARAM;
1047         }
1048
1049         dsb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*dsb));
1050
1051         if (dsb == NULL) {
1052                 WARN("out of memory\n");
1053                 *pdsb = NULL;
1054                 return DSERR_OUTOFMEMORY;
1055         }
1056
1057         dsb->ref = 0;
1058         dsb->dsound = ds;
1059         dsb->lpVtbl = &dspbvt;
1060
1061         CopyMemory(&ds->device->dsbd, dsbd, sizeof(*dsbd));
1062
1063         TRACE("Created primary buffer at %p\n", dsb);
1064         TRACE("(formattag=0x%04x,chans=%d,samplerate=%ld,"
1065                 "bytespersec=%ld,blockalign=%d,bitspersamp=%d,cbSize=%d)\n",
1066                 ds->device->pwfx->wFormatTag, ds->device->pwfx->nChannels, ds->device->pwfx->nSamplesPerSec,
1067                 ds->device->pwfx->nAvgBytesPerSec, ds->device->pwfx->nBlockAlign,
1068                 ds->device->pwfx->wBitsPerSample, ds->device->pwfx->cbSize);
1069
1070         *pdsb = dsb;
1071         return S_OK;
1072 }