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