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