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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include <stdarg.h>
  23
  24 #define NONAMELESSSTRUCT
  25 #define NONAMELESSUNION
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winuser.h"
  29 #include "mmsystem.h"
  30 #include "winternl.h"
  31 #include "mmddk.h"
  32 #include "wine/debug.h"
  33 #include "dsound.h"
  34 #include "dsdriver.h"
  35 #include "dsound_private.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(dsound);
  38
  39 static void DSOUND_RecalcPrimary(DirectSoundDevice *device)
  40 {
  41         DWORD nBlockAlign;
  42         DWORD fraglen;
  43         TRACE("(%p)\n", device);
  44
  45         nBlockAlign = device->pwfx->nBlockAlign;
  46         /* Alsa doesn't have continuous buffers, instead it has buffers with power of 2,
  47          * If DS_TIME_DEL is about 10 ms, 512 * nBlockAlign is roughly correct */
  48         fraglen = 512 * nBlockAlign;
  49
  50         /* Compensate for only being roughly accurate */
  51         if (device->pwfx->nSamplesPerSec <= 26000)
  52                 fraglen /= 2;
  53
  54         if (device->pwfx->nSamplesPerSec <= 12000)
  55                 fraglen /= 2;
  56
  57         if (device->pwfx->nSamplesPerSec >= 80000)
  58                 fraglen *= 2;
  59
  60         /* If in emulation mode, reduce fragment size until an integer number of them fits in the buffer */
  61         if (!device->driver)
  62                 while (device->buflen % fraglen)
  63                         fraglen -= nBlockAlign;
  64         device->fraglen = fraglen;
  65         device->helfrags = device->buflen / fraglen;
  66         TRACE("fraglen=%d helfrags=%d\n", device->fraglen, device->helfrags);
  67
  68         if (device->hwbuf && device->drvdesc.dwFlags & DSDDESC_DONTNEEDWRITELEAD)
  69                 device->writelead = 0;
  70         else
  71         /* calculate the 10ms write lead */
  72                 device->writelead = (device->pwfx->nSamplesPerSec / 100) * nBlockAlign;
  73 }
  74
  75 static HRESULT DSOUND_PrimaryOpen(DirectSoundDevice *device)
  76 {
  77         HRESULT err = DS_OK;
  78         TRACE("(%p)\n", device);
  79
  80         /* are we using waveOut stuff? */
  81         if (!device->driver) {
  82                 LPBYTE newbuf;
  83                 LPWAVEHDR headers = NULL;
  84                 DWORD buflen;
  85                 HRESULT merr = DS_OK;
  86                 /* Start in pause mode, to allow buffers to get filled */
  87                 waveOutPause(device->hwo);
  88                 if (device->state == STATE_PLAYING) device->state = STATE_STARTING;
  89                 else if (device->state == STATE_STOPPING) device->state = STATE_STOPPED;
  90
  91                 /* on original windows, the buffer it set to a fixed size, no matter what the settings are.
  92                    on windows this size is always fixed (tested on win-xp) */
  93                 buflen = ds_hel_buflen;
  94                 buflen -= ds_hel_buflen % device->pwfx->nBlockAlign;
  95
  96                 TRACE("desired buflen=%d, old buffer=%p\n", buflen, device->buffer);
  97
  98                 /* reallocate emulated primary buffer */
  99                 if (device->buffer)
 100                         newbuf = HeapReAlloc(GetProcessHeap(),0,device->buffer,buflen);
 101                 else
 102                         newbuf = HeapAlloc(GetProcessHeap(),0,buflen);
 103
 104
 105                 if (newbuf == NULL) {
 106                         ERR("failed to allocate primary buffer\n");
 107                         merr = DSERR_OUTOFMEMORY;
 108                         /* but the old buffer might still exist and must be re-prepared */
 109                 } else {
 110                         device->playpos = 0;
 111                         device->mixpos = 0;
 112                         device->buffer = newbuf;
 113                         device->buflen = buflen;
 114                 }
 115
 116                 DSOUND_RecalcPrimary(device);
 117                 if (device->pwave)
 118                         headers = HeapReAlloc(GetProcessHeap(),0,device->pwave, device->helfrags * sizeof(WAVEHDR));
 119                 else
 120                         headers = HeapAlloc(GetProcessHeap(),0,device->helfrags * sizeof(WAVEHDR));
 121
 122                 if (!headers) {
 123                         ERR("failed to allocate wave headers\n");
 124                         merr = DSERR_OUTOFMEMORY;
 125                 }
 126                 else if (device->buffer) {
 127                         unsigned c;
 128
 129                         device->pwave = headers;
 130
 131                         /* sanity */
 132                         if(device->buflen % device->helfrags){
 133                                 ERR("Bad helfrags resolution\n");
 134                         }
 135
 136                         /* prepare fragment headers */
 137                         for (c=0; c<device->helfrags; c++) {
 138                                 device->pwave[c].lpData = (char*)device->buffer + c*device->fraglen;
 139                                 device->pwave[c].dwBufferLength = device->fraglen;
 140                                 device->pwave[c].dwUser = (DWORD)device;
 141                                 device->pwave[c].dwFlags = 0;
 142                                 device->pwave[c].dwLoops = 0;
 143                                 err = mmErr(waveOutPrepareHeader(device->hwo,&device->pwave[c],sizeof(WAVEHDR)));
 144                                 if (err != DS_OK) {
 145                                         while (c--)
 146                                                 waveOutUnprepareHeader(device->hwo,&device->pwave[c],sizeof(WAVEHDR));
 147                                         break;
 148                                 }
 149                         }
 150
 151                         device->pwplay = 0;
 152                         device->pwqueue = 0;
 153                         device->playpos = 0;
 154                         device->mixpos = 0;
 155                         FillMemory(device->buffer, device->buflen, (device->pwfx->wBitsPerSample == 8) ? 128 : 0);
 156                         TRACE("fraglen=%d\n", device->fraglen);
 157                 }
 158                 if ((err == DS_OK) && (merr != DS_OK))
 159                         err = merr;
 160         } else if (!device->hwbuf) {
 161                 device->playpos = 0;
 162                 device->mixpos = 0;
 163                 err = IDsDriver_CreateSoundBuffer(device->driver,device->pwfx,
 164                                                   DSBCAPS_PRIMARYBUFFER,0,
 165                                                   &(device->buflen),&(device->buffer),
 166                                                   (LPVOID*)&(device->hwbuf));
 167                 if (err != DS_OK) {
 168                         WARN("IDsDriver_CreateSoundBuffer failed\n");
 169                         return err;
 170                 }
 171
 172                 if (device->state == STATE_PLAYING) device->state = STATE_STARTING;
 173                 else if (device->state == STATE_STOPPING) device->state = STATE_STOPPED;
 174                 device->playpos = 0;
 175                 device->mixpos = 0;
 176                 FillMemory(device->buffer, device->buflen, (device->pwfx->wBitsPerSample == 8) ? 128 : 0);
 177         }
 178         DSOUND_RecalcPrimary(device);
 179
 180         return err;
 181 }
 182
 183
 184 static void DSOUND_PrimaryClose(DirectSoundDevice *device)
 185 {
 186         TRACE("(%p)\n", device);
 187
 188         /* are we using waveOut stuff? */
 189         if (!device->hwbuf) {
 190                 unsigned c;
 191
 192                 /* get out of CS when calling the wave system */
 193                 LeaveCriticalSection(&(device->mixlock));
 194                 /* **** */
 195                 device->pwqueue = (DWORD)-1; /* resetting queues */
 196                 waveOutReset(device->hwo);
 197                 for (c=0; c<device->helfrags; c++)
 198                         waveOutUnprepareHeader(device->hwo, &device->pwave[c], sizeof(WAVEHDR));
 199                 /* **** */
 200                 EnterCriticalSection(&(device->mixlock));
 201
 202                 /* clear the queue */
 203                 device->pwqueue = 0;
 204         } else {
 205                 if (IDsDriverBuffer_Release(device->hwbuf) == 0)
 206                         device->hwbuf = 0;
 207         }
 208 }
 209
 210 HRESULT DSOUND_PrimaryCreate(DirectSoundDevice *device)
 211 {
 212         HRESULT err = DS_OK;
 213         TRACE("(%p)\n", device);
 214
 215         device->playpos = 0;
 216         device->mixpos = 0;
 217         device->buflen = device->pwfx->nAvgBytesPerSec;
 218
 219         /* FIXME: verify that hardware capabilities (DSCAPS_PRIMARY flags) match */
 220
 221         if (device->driver) {
 222                 err = IDsDriver_CreateSoundBuffer(device->driver,device->pwfx,
 223                                                   DSBCAPS_PRIMARYBUFFER,0,
 224                                                   &(device->buflen),&(device->buffer),
 225                                                   (LPVOID*)&(device->hwbuf));
 226                 if (err != DS_OK) {
 227                         WARN("IDsDriver_CreateSoundBuffer failed\n");
 228                         return err;
 229                 }
 230         }
 231
 232         err = DSOUND_PrimaryOpen(device);
 233
 234         if (err != DS_OK) {
 235                 WARN("DSOUND_PrimaryOpen failed\n");
 236                 return err;
 237         }
 238
 239         device->state = STATE_STOPPED;
 240         return DS_OK;
 241 }
 242
 243 HRESULT DSOUND_PrimaryDestroy(DirectSoundDevice *device)
 244 {
 245         TRACE("(%p)\n", device);
 246
 247         /* **** */
 248         EnterCriticalSection(&(device->mixlock));
 249
 250         DSOUND_PrimaryClose(device);
 251         if (device->driver) {
 252                 if (device->hwbuf) {
 253                         if (IDsDriverBuffer_Release(device->hwbuf) == 0)
 254                                 device->hwbuf = 0;
 255                 }
 256         } else
 257                 HeapFree(GetProcessHeap(),0,device->pwave);
 258         HeapFree(GetProcessHeap(),0,device->pwfx);
 259         device->pwfx=NULL;
 260
 261         LeaveCriticalSection(&(device->mixlock));
 262         /* **** */
 263
 264         return DS_OK;
 265 }
 266
 267 HRESULT DSOUND_PrimaryPlay(DirectSoundDevice *device)
 268 {
 269         HRESULT err = DS_OK;
 270         TRACE("(%p)\n", device);
 271
 272         if (device->hwbuf) {
 273                 err = IDsDriverBuffer_Play(device->hwbuf, 0, 0, DSBPLAY_LOOPING);
 274                 if (err != DS_OK)
 275                         WARN("IDsDriverBuffer_Play failed\n");
 276         } else {
 277                 err = mmErr(waveOutRestart(device->hwo));
 278                 if (err != DS_OK)
 279                         WARN("waveOutRestart failed\n");
 280         }
 281
 282         return err;
 283 }
 284
 285 HRESULT DSOUND_PrimaryStop(DirectSoundDevice *device)
 286 {
 287         HRESULT err = DS_OK;
 288         TRACE("(%p)\n", device);
 289
 290         if (device->hwbuf) {
 291                 err = IDsDriverBuffer_Stop(device->hwbuf);
 292                 if (err == DSERR_BUFFERLOST) {
 293                         DWORD flags = CALLBACK_FUNCTION | WAVE_DIRECTSOUND;
 294                         /* Wine-only: the driver wants us to reopen the device */
 295                         /* FIXME: check for errors */
 296                         IDsDriverBuffer_Release(device->hwbuf);
 297                         waveOutClose(device->hwo);
 298                         device->hwo = 0;
 299                         err = mmErr(waveOutOpen(&(device->hwo), device->drvdesc.dnDevNode,
 300                                                 device->pwfx, (DWORD_PTR)DSOUND_callback, (DWORD)device,
 301                                                 flags));
 302                         if (err == DS_OK) {
 303                                 device->playpos = 0;
 304                                 device->mixpos = 0;
 305                                 err = IDsDriver_CreateSoundBuffer(device->driver,device->pwfx,
 306                                                                   DSBCAPS_PRIMARYBUFFER,0,
 307                                                                   &(device->buflen),&(device->buffer),
 308                                                                   (LPVOID)&(device->hwbuf));
 309                                 if (err != DS_OK)
 310                                         WARN("IDsDriver_CreateSoundBuffer failed\n");
 311                                 else if (device->state == STATE_STOPPING)
 312                                         device->state = STATE_STOPPED;
 313                                 else if (device->state == STATE_PLAYING)
 314                                         device->state = STATE_STARTING;
 315                                 if (err == DS_OK)
 316                                         FillMemory(device->buffer, device->buflen, (device->pwfx->wBitsPerSample == 8) ? 128 : 0);
 317
 318                         } else {
 319                                 WARN("waveOutOpen failed\n");
 320                         }
 321                 } else if (err != DS_OK) {
 322                         WARN("IDsDriverBuffer_Stop failed\n");
 323                 }
 324         } else {
 325
 326                 /* don't call the wave system with the lock set */
 327                 LeaveCriticalSection(&(device->mixlock));
 328                 /* **** */
 329
 330                 err = mmErr(waveOutPause(device->hwo));
 331
 332                 /* **** */
 333                 EnterCriticalSection(&(device->mixlock));
 334
 335                 if (err != DS_OK)
 336                         WARN("waveOutPause failed\n");
 337         }
 338
 339         return err;
 340 }
 341
 342 HRESULT DSOUND_PrimaryGetPosition(DirectSoundDevice *device, LPDWORD playpos, LPDWORD writepos)
 343 {
 344         TRACE("(%p,%p,%p)\n", device, playpos, writepos);
 345
 346         if (device->hwbuf) {
 347                 HRESULT err=IDsDriverBuffer_GetPosition(device->hwbuf,playpos,writepos);
 348                 if (err) {
 349                         WARN("IDsDriverBuffer_GetPosition failed\n");
 350                         return err;
 351                 }
 352         } else {
 353
 354                 /* check if playpos was requested */
 355                 if (playpos) {
 356                         /* use the cached play position */
 357                         *playpos = device->pwplay * device->fraglen;
 358                 }
 359
 360                 /* check if writepos was requested */
 361                 if (writepos) {
 362                         TRACE("pwplay=%i, pwqueue=%i\n", device->pwplay, device->pwqueue);
 363
 364                         /* the writepos is the first non-queued position */
 365                         *writepos = (device->pwplay + device->pwqueue) * device->fraglen;
 366                         *writepos %= device->buflen;
 367                 }
 368         }
 369         TRACE("playpos = %d, writepos = %d (%p, time=%d)\n", playpos?*playpos:0, writepos?*writepos:0, device, GetTickCount());
 370         return DS_OK;
 371 }
 372
 373 HRESULT DSOUND_PrimarySetFormat(DirectSoundDevice *device, LPCWAVEFORMATEX wfex)
 374 {
 375         HRESULT err = DS_OK;
 376         int i, alloc_size, cp_size;
 377         DWORD nSamplesPerSec, bpp, chans;
 378         TRACE("(%p,%p)\n", device, wfex);
 379
 380         if (device->priolevel == DSSCL_NORMAL) {
 381                 WARN("failed priority check!\n");
 382                 return DSERR_PRIOLEVELNEEDED;
 383         }
 384
 385         /* Let's be pedantic! */
 386         if (wfex == NULL) {
 387                 WARN("invalid parameter: wfex==NULL!\n");
 388                 return DSERR_INVALIDPARAM;
 389         }
 390         TRACE("(formattag=0x%04x,chans=%d,samplerate=%d,"
 391               "bytespersec=%d,blockalign=%d,bitspersamp=%d,cbSize=%d)\n",
 392               wfex->wFormatTag, wfex->nChannels, wfex->nSamplesPerSec,
 393               wfex->nAvgBytesPerSec, wfex->nBlockAlign,
 394               wfex->wBitsPerSample, wfex->cbSize);
 395
 396         /* **** */
 397         RtlAcquireResourceExclusive(&(device->buffer_list_lock), TRUE);
 398         EnterCriticalSection(&(device->mixlock));
 399
 400         if (wfex->wFormatTag == WAVE_FORMAT_PCM) {
 401             alloc_size = sizeof(WAVEFORMATEX);
 402             cp_size = sizeof(PCMWAVEFORMAT);
 403         } else
 404             alloc_size = cp_size = sizeof(WAVEFORMATEX) + wfex->cbSize;
 405
 406         device->pwfx = HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,device->pwfx,alloc_size);
 407
 408         nSamplesPerSec = device->pwfx->nSamplesPerSec;
 409         bpp = device->pwfx->wBitsPerSample;
 410         chans = device->pwfx->nChannels;
 411
 412         CopyMemory(device->pwfx, wfex, cp_size);
 413
 414         if (device->drvdesc.dwFlags & DSDDESC_DOMMSYSTEMSETFORMAT) {
 415                 DWORD flags = CALLBACK_FUNCTION;
 416                 if (device->driver)
 417                         flags |= WAVE_DIRECTSOUND;
 418                 /* FIXME: check for errors */
 419                 DSOUND_PrimaryClose(device);
 420                 waveOutClose(device->hwo);
 421                 device->hwo = 0;
 422                 err = mmErr(waveOutOpen(&(device->hwo), device->drvdesc.dnDevNode,
 423                                         device->pwfx, (DWORD_PTR)DSOUND_callback, (DWORD)device,
 424                                         flags));
 425                 if (err == DS_OK) {
 426                     err = DSOUND_PrimaryOpen(device);
 427                     if (err != DS_OK) {
 428                         WARN("DSOUND_PrimaryOpen failed\n");
 429                         goto done;
 430                     }
 431                 } else {
 432                         WARN("waveOutOpen failed\n");
 433                         goto done;
 434                 }
 435         } else if (device->hwbuf) {
 436                 err = IDsDriverBuffer_SetFormat(device->hwbuf, device->pwfx);
 437                 if (err == DSERR_BUFFERLOST) {
 438                         /* Wine-only: the driver wants us to recreate the HW buffer */
 439                         IDsDriverBuffer_Release(device->hwbuf);
 440                         device->playpos = 0;
 441                         device->mixpos = 0;
 442                         err = IDsDriver_CreateSoundBuffer(device->driver,device->pwfx,
 443                                                           DSBCAPS_PRIMARYBUFFER,0,
 444                                                           &(device->buflen),&(device->buffer),
 445                                                           (LPVOID)&(device->hwbuf));
 446                         if (err != DS_OK) {
 447                                 WARN("IDsDriver_CreateSoundBuffer failed\n");
 448                                 goto done;
 449                         }
 450                         if (device->state == STATE_PLAYING) device->state = STATE_STARTING;
 451                         else if (device->state == STATE_STOPPING) device->state = STATE_STOPPED;
 452                 } else if (FAILED(err)) {
 453                         WARN("IDsDriverBuffer_SetFormat failed\n");
 454                         goto done;
 455                 }
 456                 /* FIXME: should we set err back to DS_OK in all cases ? */
 457                 DSOUND_RecalcPrimary(device);
 458         }
 459
 460         if (nSamplesPerSec != device->pwfx->nSamplesPerSec || bpp != device->pwfx->wBitsPerSample || chans != device->pwfx->nChannels) {
 461                 IDirectSoundBufferImpl** dsb = device->buffers;
 462                 for (i = 0; i < device->nrofbuffers; i++, dsb++) {
 463                         /* **** */
 464                         RtlAcquireResourceExclusive(&(*dsb)->lock, TRUE);
 465
 466                         (*dsb)->freqAdjust = ((DWORD64)(*dsb)->freq << DSOUND_FREQSHIFT) / device->pwfx->nSamplesPerSec;
 467                         DSOUND_RecalcFormat((*dsb));
 468                         DSOUND_MixToTemporary((*dsb), 0, (*dsb)->buflen);
 469
 470                         RtlReleaseResource(&(*dsb)->lock);
 471                         /* **** */
 472                 }
 473         }
 474
 475 done:
 476         LeaveCriticalSection(&(device->mixlock));
 477         RtlReleaseResource(&(device->buffer_list_lock));
 478         /* **** */
 479
 480         return err;
 481 }
 482
 483 /*******************************************************************************
 484  *              PrimaryBuffer
 485  */
 486 /* This sets this format for the <em>Primary Buffer Only</em> */
 487 /* See file:///cdrom/sdk52/docs/worddoc/dsound.doc page 120 */
 488 static HRESULT WINAPI PrimaryBufferImpl_SetFormat(
 489     LPDIRECTSOUNDBUFFER iface,
 490     LPCWAVEFORMATEX wfex)
 491 {
 492     TRACE("(%p,%p)\n", iface, wfex);
 493     return DSOUND_PrimarySetFormat(((PrimaryBufferImpl *)iface)->device, wfex);
 494 }
 495
 496 static HRESULT WINAPI PrimaryBufferImpl_SetVolume(
 497         LPDIRECTSOUNDBUFFER iface,LONG vol
 498 ) {
 499         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 500         DWORD ampfactors;
 501         DSVOLUMEPAN volpan;
 502         HRESULT hres = DS_OK;
 503         TRACE("(%p,%d)\n", iface, vol);
 504
 505         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 506                 WARN("control unavailable\n");
 507                 return DSERR_CONTROLUNAVAIL;
 508         }
 509
 510         if ((vol > DSBVOLUME_MAX) || (vol < DSBVOLUME_MIN)) {
 511                 WARN("invalid parameter: vol = %d\n", vol);
 512                 return DSERR_INVALIDPARAM;
 513         }
 514
 515         /* **** */
 516         EnterCriticalSection(&(device->mixlock));
 517
 518         waveOutGetVolume(device->hwo, &ampfactors);
 519         volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 520         volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 521         DSOUND_AmpFactorToVolPan(&volpan);
 522         if (vol != volpan.lVolume) {
 523             volpan.lVolume=vol;
 524             DSOUND_RecalcVolPan(&volpan);
 525             if (device->hwbuf) {
 526                 hres = IDsDriverBuffer_SetVolumePan(device->hwbuf, &volpan);
 527                 if (hres != DS_OK)
 528                     WARN("IDsDriverBuffer_SetVolumePan failed\n");
 529             } else {
 530                 ampfactors = (volpan.dwTotalLeftAmpFactor & 0xffff) | (volpan.dwTotalRightAmpFactor << 16);
 531                 waveOutSetVolume(device->hwo, ampfactors);
 532             }
 533         }
 534
 535         LeaveCriticalSection(&(device->mixlock));
 536         /* **** */
 537
 538         return hres;
 539 }
 540
 541 static HRESULT WINAPI PrimaryBufferImpl_GetVolume(
 542         LPDIRECTSOUNDBUFFER iface,LPLONG vol
 543 ) {
 544         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 545         DWORD ampfactors;
 546         DSVOLUMEPAN volpan;
 547         TRACE("(%p,%p)\n", iface, vol);
 548
 549         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 550                 WARN("control unavailable\n");
 551                 return DSERR_CONTROLUNAVAIL;
 552         }
 553
 554         if (vol == NULL) {
 555                 WARN("invalid parameter: vol = NULL\n");
 556                 return DSERR_INVALIDPARAM;
 557         }
 558
 559         waveOutGetVolume(device->hwo, &ampfactors);
 560         volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 561         volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 562         DSOUND_AmpFactorToVolPan(&volpan);
 563         *vol = volpan.lVolume;
 564         return DS_OK;
 565 }
 566
 567 static HRESULT WINAPI PrimaryBufferImpl_SetFrequency(
 568         LPDIRECTSOUNDBUFFER iface,DWORD freq
 569 ) {
 570         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 571         TRACE("(%p,%d)\n",This,freq);
 572
 573         /* You cannot set the frequency of the primary buffer */
 574         WARN("control unavailable\n");
 575         return DSERR_CONTROLUNAVAIL;
 576 }
 577
 578 static HRESULT WINAPI PrimaryBufferImpl_Play(
 579         LPDIRECTSOUNDBUFFER iface,DWORD reserved1,DWORD reserved2,DWORD flags
 580 ) {
 581         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 582         TRACE("(%p,%08x,%08x,%08x)\n", iface, reserved1, reserved2, flags);
 583
 584         if (!(flags & DSBPLAY_LOOPING)) {
 585                 WARN("invalid parameter: flags = %08x\n", flags);
 586                 return DSERR_INVALIDPARAM;
 587         }
 588
 589         /* **** */
 590         EnterCriticalSection(&(device->mixlock));
 591
 592         if (device->state == STATE_STOPPED)
 593                 device->state = STATE_STARTING;
 594         else if (device->state == STATE_STOPPING)
 595                 device->state = STATE_PLAYING;
 596
 597         LeaveCriticalSection(&(device->mixlock));
 598         /* **** */
 599
 600         return DS_OK;
 601 }
 602
 603 static HRESULT WINAPI PrimaryBufferImpl_Stop(LPDIRECTSOUNDBUFFER iface)
 604 {
 605         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 606         TRACE("(%p)\n", iface);
 607
 608         /* **** */
 609         EnterCriticalSection(&(device->mixlock));
 610
 611         if (device->state == STATE_PLAYING)
 612                 device->state = STATE_STOPPING;
 613         else if (device->state == STATE_STARTING)
 614                 device->state = STATE_STOPPED;
 615
 616         LeaveCriticalSection(&(device->mixlock));
 617         /* **** */
 618
 619         return DS_OK;
 620 }
 621
 622 static ULONG WINAPI PrimaryBufferImpl_AddRef(LPDIRECTSOUNDBUFFER iface)
 623 {
 624     PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 625     ULONG ref = InterlockedIncrement(&(This->ref));
 626     TRACE("(%p) ref was %d\n", This, ref - 1);
 627     return ref;
 628 }
 629
 630 static ULONG WINAPI PrimaryBufferImpl_Release(LPDIRECTSOUNDBUFFER iface)
 631 {
 632     PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 633     DWORD ref = InterlockedDecrement(&(This->ref));
 634     TRACE("(%p) ref was %d\n", This, ref + 1);
 635
 636     if (!ref) {
 637         This->device->primary = NULL;
 638         HeapFree(GetProcessHeap(), 0, This);
 639         TRACE("(%p) released\n", This);
 640     }
 641     return ref;
 642 }
 643
 644 static HRESULT WINAPI PrimaryBufferImpl_GetCurrentPosition(
 645         LPDIRECTSOUNDBUFFER iface,LPDWORD playpos,LPDWORD writepos
 646 ) {
 647         HRESULT hres;
 648         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 649         TRACE("(%p,%p,%p)\n", iface, playpos, writepos);
 650
 651         /* **** */
 652         EnterCriticalSection(&(device->mixlock));
 653
 654         hres = DSOUND_PrimaryGetPosition(device, playpos, writepos);
 655         if (hres != DS_OK) {
 656                 WARN("DSOUND_PrimaryGetPosition failed\n");
 657                 LeaveCriticalSection(&(device->mixlock));
 658                 return hres;
 659         }
 660         if (writepos) {
 661                 if (device->state != STATE_STOPPED)
 662                         /* apply the documented 10ms lead to writepos */
 663                         *writepos += device->writelead;
 664                 while (*writepos >= device->buflen) *writepos -= device->buflen;
 665         }
 666
 667         LeaveCriticalSection(&(device->mixlock));
 668         /* **** */
 669
 670         TRACE("playpos = %d, writepos = %d (%p, time=%d)\n", playpos?*playpos:0, writepos?*writepos:0, device, GetTickCount());
 671         return DS_OK;
 672 }
 673
 674 static HRESULT WINAPI PrimaryBufferImpl_GetStatus(
 675         LPDIRECTSOUNDBUFFER iface,LPDWORD status
 676 ) {
 677         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 678         TRACE("(%p,%p)\n", iface, status);
 679
 680         if (status == NULL) {
 681                 WARN("invalid parameter: status == NULL\n");
 682                 return DSERR_INVALIDPARAM;
 683         }
 684
 685         *status = 0;
 686         if ((device->state == STATE_STARTING) ||
 687             (device->state == STATE_PLAYING))
 688                 *status |= DSBSTATUS_PLAYING | DSBSTATUS_LOOPING;
 689
 690         TRACE("status=%x\n", *status);
 691         return DS_OK;
 692 }
 693
 694
 695 static HRESULT WINAPI PrimaryBufferImpl_GetFormat(
 696     LPDIRECTSOUNDBUFFER iface,
 697     LPWAVEFORMATEX lpwf,
 698     DWORD wfsize,
 699     LPDWORD wfwritten)
 700 {
 701     DWORD size;
 702     DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 703     TRACE("(%p,%p,%d,%p)\n", iface, lpwf, wfsize, wfwritten);
 704
 705     size = sizeof(WAVEFORMATEX) + device->pwfx->cbSize;
 706
 707     if (lpwf) { /* NULL is valid */
 708         if (wfsize >= size) {
 709             CopyMemory(lpwf,device->pwfx,size);
 710             if (wfwritten)
 711                 *wfwritten = size;
 712         } else {
 713             WARN("invalid parameter: wfsize too small\n");
 714             if (wfwritten)
 715                 *wfwritten = 0;
 716             return DSERR_INVALIDPARAM;
 717         }
 718     } else {
 719         if (wfwritten)
 720             *wfwritten = sizeof(WAVEFORMATEX) + device->pwfx->cbSize;
 721         else {
 722             WARN("invalid parameter: wfwritten == NULL\n");
 723             return DSERR_INVALIDPARAM;
 724         }
 725     }
 726
 727     return DS_OK;
 728 }
 729
 730 static HRESULT WINAPI PrimaryBufferImpl_Lock(
 731         LPDIRECTSOUNDBUFFER iface,DWORD writecursor,DWORD writebytes,LPVOID *lplpaudioptr1,LPDWORD audiobytes1,LPVOID *lplpaudioptr2,LPDWORD audiobytes2,DWORD flags
 732 ) {
 733         HRESULT hres;
 734         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 735         TRACE("(%p,%d,%d,%p,%p,%p,%p,0x%08x) at %d\n",
 736                 iface,
 737                 writecursor,
 738                 writebytes,
 739                 lplpaudioptr1,
 740                 audiobytes1,
 741                 lplpaudioptr2,
 742                 audiobytes2,
 743                 flags,
 744                 GetTickCount()
 745         );
 746
 747         if (device->priolevel != DSSCL_WRITEPRIMARY) {
 748                 WARN("failed priority check!\n");
 749                 return DSERR_PRIOLEVELNEEDED;
 750         }
 751
 752         /* when this flag is set, writecursor is meaningless and must be calculated */
 753         if (flags & DSBLOCK_FROMWRITECURSOR) {
 754                 /* GetCurrentPosition does too much magic to duplicate here */
 755                 hres = IDirectSoundBuffer_GetCurrentPosition(iface, NULL, &writecursor);
 756                 if (hres != DS_OK) {
 757                         WARN("IDirectSoundBuffer_GetCurrentPosition failed\n");
 758                         return hres;
 759                 }
 760         }
 761
 762         /* when this flag is set, writebytes is meaningless and must be set */
 763         if (flags & DSBLOCK_ENTIREBUFFER)
 764                 writebytes = device->buflen;
 765
 766         if (writecursor >= device->buflen) {
 767                 WARN("Invalid parameter, writecursor: %u >= buflen: %u\n",
 768                      writecursor, device->buflen);
 769                 return DSERR_INVALIDPARAM;
 770         }
 771
 772         if (writebytes > device->buflen) {
 773                 WARN("Invalid parameter, writebytes: %u > buflen: %u\n",
 774                      writebytes, device->buflen);
 775                 return DSERR_INVALIDPARAM;
 776         }
 777
 778         if (!(device->drvdesc.dwFlags & DSDDESC_DONTNEEDPRIMARYLOCK) && device->hwbuf) {
 779                 hres = IDsDriverBuffer_Lock(device->hwbuf,
 780                                             lplpaudioptr1, audiobytes1,
 781                                             lplpaudioptr2, audiobytes2,
 782                                             writecursor, writebytes,
 783                                             0);
 784                 if (hres != DS_OK) {
 785                         WARN("IDsDriverBuffer_Lock failed\n");
 786                         return hres;
 787                 }
 788         } else {
 789                 if (writecursor+writebytes <= device->buflen) {
 790                         *(LPBYTE*)lplpaudioptr1 = device->buffer+writecursor;
 791                         *audiobytes1 = writebytes;
 792                         if (lplpaudioptr2)
 793                                 *(LPBYTE*)lplpaudioptr2 = NULL;
 794                         if (audiobytes2)
 795                                 *audiobytes2 = 0;
 796                         TRACE("->%d.0\n",writebytes);
 797                 } else {
 798                         *(LPBYTE*)lplpaudioptr1 = device->buffer+writecursor;
 799                         *audiobytes1 = device->buflen-writecursor;
 800                         if (lplpaudioptr2)
 801                                 *(LPBYTE*)lplpaudioptr2 = device->buffer;
 802                         if (audiobytes2)
 803                                 *audiobytes2 = writebytes-(device->buflen-writecursor);
 804                         TRACE("->%d.%d\n",*audiobytes1,audiobytes2?*audiobytes2:0);
 805                 }
 806         }
 807         return DS_OK;
 808 }
 809
 810 static HRESULT WINAPI PrimaryBufferImpl_SetCurrentPosition(
 811         LPDIRECTSOUNDBUFFER iface,DWORD newpos
 812 ) {
 813         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 814         TRACE("(%p,%d)\n",This,newpos);
 815
 816         /* You cannot set the position of the primary buffer */
 817         WARN("invalid call\n");
 818         return DSERR_INVALIDCALL;
 819 }
 820
 821 static HRESULT WINAPI PrimaryBufferImpl_SetPan(
 822         LPDIRECTSOUNDBUFFER iface,LONG pan
 823 ) {
 824         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 825         DWORD ampfactors;
 826         DSVOLUMEPAN volpan;
 827         HRESULT hres = DS_OK;
 828         TRACE("(%p,%d)\n", iface, pan);
 829
 830         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
 831                 WARN("control unavailable\n");
 832                 return DSERR_CONTROLUNAVAIL;
 833         }
 834
 835         if ((pan > DSBPAN_RIGHT) || (pan < DSBPAN_LEFT)) {
 836                 WARN("invalid parameter: pan = %d\n", pan);
 837                 return DSERR_INVALIDPARAM;
 838         }
 839
 840         /* **** */
 841         EnterCriticalSection(&(device->mixlock));
 842
 843         waveOutGetVolume(device->hwo, &ampfactors);
 844         volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 845         volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 846         DSOUND_AmpFactorToVolPan(&volpan);
 847         if (pan != volpan.lPan) {
 848             volpan.lPan=pan;
 849             DSOUND_RecalcVolPan(&volpan);
 850             if (device->hwbuf) {
 851                 hres = IDsDriverBuffer_SetVolumePan(device->hwbuf, &volpan);
 852                 if (hres != DS_OK)
 853                     WARN("IDsDriverBuffer_SetVolumePan failed\n");
 854             } else {
 855                 ampfactors = (volpan.dwTotalLeftAmpFactor & 0xffff) | (volpan.dwTotalRightAmpFactor << 16);
 856                 waveOutSetVolume(device->hwo, ampfactors);
 857             }
 858         }
 859
 860         LeaveCriticalSection(&(device->mixlock));
 861         /* **** */
 862
 863         return hres;
 864 }
 865
 866 static HRESULT WINAPI PrimaryBufferImpl_GetPan(
 867         LPDIRECTSOUNDBUFFER iface,LPLONG pan
 868 ) {
 869         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 870         DWORD ampfactors;
 871         DSVOLUMEPAN volpan;
 872         TRACE("(%p,%p)\n", iface, pan);
 873
 874         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
 875                 WARN("control unavailable\n");
 876                 return DSERR_CONTROLUNAVAIL;
 877         }
 878
 879         if (pan == NULL) {
 880                 WARN("invalid parameter: pan == NULL\n");
 881                 return DSERR_INVALIDPARAM;
 882         }
 883
 884         waveOutGetVolume(device->hwo, &ampfactors);
 885         volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 886         volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 887         DSOUND_AmpFactorToVolPan(&volpan);
 888         *pan = volpan.lPan;
 889         return DS_OK;
 890 }
 891
 892 static HRESULT WINAPI PrimaryBufferImpl_Unlock(
 893         LPDIRECTSOUNDBUFFER iface,LPVOID p1,DWORD x1,LPVOID p2,DWORD x2
 894 ) {
 895         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 896         TRACE("(%p,%p,%d,%p,%d)\n", iface, p1, x1, p2, x2);
 897
 898         if (device->priolevel != DSSCL_WRITEPRIMARY) {
 899                 WARN("failed priority check!\n");
 900                 return DSERR_PRIOLEVELNEEDED;
 901         }
 902
 903         if (!(device->drvdesc.dwFlags & DSDDESC_DONTNEEDPRIMARYLOCK) && device->hwbuf) {
 904                 HRESULT hres;
 905
 906                 hres = IDsDriverBuffer_Unlock(device->hwbuf, p1, x1, p2, x2);
 907                 if (hres != DS_OK) {
 908                         WARN("IDsDriverBuffer_Unlock failed\n");
 909                         return hres;
 910                 }
 911         }
 912
 913         return DS_OK;
 914 }
 915
 916 static HRESULT WINAPI PrimaryBufferImpl_Restore(
 917         LPDIRECTSOUNDBUFFER iface
 918 ) {
 919         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 920         FIXME("(%p):stub\n",This);
 921         return DS_OK;
 922 }
 923
 924 static HRESULT WINAPI PrimaryBufferImpl_GetFrequency(
 925         LPDIRECTSOUNDBUFFER iface,LPDWORD freq
 926 ) {
 927         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 928         TRACE("(%p,%p)\n", iface, freq);
 929
 930         if (freq == NULL) {
 931                 WARN("invalid parameter: freq == NULL\n");
 932                 return DSERR_INVALIDPARAM;
 933         }
 934
 935         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLFREQUENCY)) {
 936                 WARN("control unavailable\n");
 937                 return DSERR_CONTROLUNAVAIL;
 938         }
 939
 940         *freq = device->pwfx->nSamplesPerSec;
 941         TRACE("-> %d\n", *freq);
 942
 943         return DS_OK;
 944 }
 945
 946 static HRESULT WINAPI PrimaryBufferImpl_Initialize(
 947         LPDIRECTSOUNDBUFFER iface,LPDIRECTSOUND dsound,LPCDSBUFFERDESC dbsd
 948 ) {
 949         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 950         WARN("(%p) already initialized\n", This);
 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 }