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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  * TODO:
  22  *      When PrimarySetFormat (via ReopenDevice or PrimaryOpen) fails,
  23  *       it leaves dsound in unusable (not really open) state.
  24  */
  25
  26 #include <stdarg.h>
  27
  28 #define COBJMACROS
  29 #define NONAMELESSSTRUCT
  30 #define NONAMELESSUNION
  31 #include "windef.h"
  32 #include "winbase.h"
  33 #include "winuser.h"
  34 #include "mmsystem.h"
  35 #include "winternl.h"
  36 #include "mmddk.h"
  37 #include "wine/debug.h"
  38 #include "dsound.h"
  39 #include "dsound_private.h"
  40
  41 WINE_DEFAULT_DEBUG_CHANNEL(dsound);
  42
  43 /** Calculate how long a fragment length of about 10 ms should be in frames
  44  *
  45  * nSamplesPerSec: Frequency rate in samples per second
  46  * nBlockAlign: Size of a single blockalign
  47  *
  48  * Returns:
  49  * Size in bytes of a single fragment
  50  */
  51 DWORD DSOUND_fraglen(DWORD nSamplesPerSec, DWORD nBlockAlign)
  52 {
  53     /* Given a timer delay of 10ms, the fragment size is approximately:
  54      *     fraglen = (nSamplesPerSec * 10 / 1000) * nBlockAlign
  55      * ==> fraglen = (nSamplesPerSec / 100) * nBlockSize
  56      *
  57      * ALSA uses buffers that are powers of 2. Because of this, fraglen
  58      * is rounded up to the nearest power of 2:
  59      */
  60
  61     if (nSamplesPerSec <= 12800)
  62         return 128 * nBlockAlign;
  63
  64     if (nSamplesPerSec <= 25600)
  65         return 256 * nBlockAlign;
  66
  67     if (nSamplesPerSec <= 51200)
  68         return 512 * nBlockAlign;
  69
  70     return 1024 * nBlockAlign;
  71 }
  72
  73 static void DSOUND_RecalcPrimary(DirectSoundDevice *device)
  74 {
  75     TRACE("(%p)\n", device);
  76
  77     device->fraglen = DSOUND_fraglen(device->pwfx->nSamplesPerSec, device->pwfx->nBlockAlign);
  78     device->helfrags = device->buflen / device->fraglen;
  79     TRACE("fraglen=%d helfrags=%d\n", device->fraglen, device->helfrags);
  80
  81     /* calculate the 10ms write lead */
  82     device->writelead = (device->pwfx->nSamplesPerSec / 100) * device->pwfx->nBlockAlign;
  83 }
  84
  85 HRESULT DSOUND_ReopenDevice(DirectSoundDevice *device, BOOL forcewave)
  86 {
  87     UINT prebuf_frames;
  88     REFERENCE_TIME prebuf_rt;
  89     HRESULT hres;
  90
  91     TRACE("(%p, %d)\n", device, forcewave);
  92
  93     if(device->client){
  94         IAudioClient_Release(device->client);
  95         device->client = NULL;
  96     }
  97     if(device->render){
  98         IAudioRenderClient_Release(device->render);
  99         device->render = NULL;
 100     }
 101     if(device->clock){
 102         IAudioClock_Release(device->clock);
 103         device->clock = NULL;
 104     }
 105     if(device->volume){
 106         IAudioStreamVolume_Release(device->volume);
 107         device->volume = NULL;
 108     }
 109
 110     hres = IMMDevice_Activate(device->mmdevice, &IID_IAudioClient,
 111             CLSCTX_INPROC_SERVER, NULL, (void **)&device->client);
 112     if(FAILED(hres)){
 113         WARN("Activate failed: %08x\n", hres);
 114         return hres;
 115     }
 116
 117     prebuf_frames = device->prebuf * DSOUND_fraglen(device->pwfx->nSamplesPerSec, device->pwfx->nBlockAlign) / device->pwfx->nBlockAlign;
 118     prebuf_rt = (10000000 * (UINT64)prebuf_frames) / device->pwfx->nSamplesPerSec;
 119
 120     hres = IAudioClient_Initialize(device->client,
 121             AUDCLNT_SHAREMODE_SHARED, AUDCLNT_STREAMFLAGS_NOPERSIST,
 122             prebuf_rt, 0, device->pwfx, NULL);
 123     if(FAILED(hres)){
 124         IAudioClient_Release(device->client);
 125         device->client = NULL;
 126         WARN("Initialize failed: %08x\n", hres);
 127         return hres;
 128     }
 129
 130     hres = IAudioClient_GetService(device->client, &IID_IAudioRenderClient,
 131             (void**)&device->render);
 132     if(FAILED(hres)){
 133         IAudioClient_Release(device->client);
 134         device->client = NULL;
 135         WARN("GetService failed: %08x\n", hres);
 136         return hres;
 137     }
 138
 139     hres = IAudioClient_GetService(device->client, &IID_IAudioClock,
 140             (void**)&device->clock);
 141     if(FAILED(hres)){
 142         IAudioClient_Release(device->client);
 143         IAudioRenderClient_Release(device->render);
 144         device->client = NULL;
 145         device->render = NULL;
 146         WARN("GetService failed: %08x\n", hres);
 147         return hres;
 148     }
 149
 150     hres = IAudioClient_GetService(device->client, &IID_IAudioStreamVolume,
 151             (void**)&device->volume);
 152     if(FAILED(hres)){
 153         IAudioClient_Release(device->client);
 154         IAudioRenderClient_Release(device->render);
 155         IAudioClock_Release(device->clock);
 156         device->client = NULL;
 157         device->render = NULL;
 158         device->clock = NULL;
 159         WARN("GetService failed: %08x\n", hres);
 160         return hres;
 161     }
 162
 163     return S_OK;
 164 }
 165
 166 static HRESULT DSOUND_PrimaryOpen(DirectSoundDevice *device)
 167 {
 168         DWORD buflen;
 169         LPBYTE newbuf;
 170
 171         TRACE("(%p)\n", device);
 172
 173         /* on original windows, the buffer it set to a fixed size, no matter what the settings are.
 174            on windows this size is always fixed (tested on win-xp) */
 175         if (!device->buflen)
 176                 device->buflen = ds_hel_buflen;
 177         buflen = device->buflen;
 178         buflen -= buflen % device->pwfx->nBlockAlign;
 179         device->buflen = buflen;
 180
 181         device->mix_buffer_len = DSOUND_bufpos_to_mixpos(device, device->buflen);
 182         device->mix_buffer = HeapAlloc(GetProcessHeap(), 0, device->mix_buffer_len);
 183         if (!device->mix_buffer)
 184                 return DSERR_OUTOFMEMORY;
 185
 186         if (device->state == STATE_PLAYING) device->state = STATE_STARTING;
 187         else if (device->state == STATE_STOPPING) device->state = STATE_STOPPED;
 188
 189     TRACE("desired buflen=%d, old buffer=%p\n", buflen, device->buffer);
 190
 191     /* reallocate emulated primary buffer */
 192     if (device->buffer)
 193         newbuf = HeapReAlloc(GetProcessHeap(),0,device->buffer, buflen);
 194     else
 195         newbuf = HeapAlloc(GetProcessHeap(),0, buflen);
 196
 197     if (!newbuf) {
 198         ERR("failed to allocate primary buffer\n");
 199         return DSERR_OUTOFMEMORY;
 200         /* but the old buffer might still exist and must be re-prepared */
 201     }
 202
 203     DSOUND_RecalcPrimary(device);
 204
 205     device->buffer = newbuf;
 206
 207     TRACE("fraglen=%d\n", device->fraglen);
 208
 209         device->mixfunction = mixfunctions[device->pwfx->wBitsPerSample/8 - 1];
 210         device->normfunction = normfunctions[device->pwfx->wBitsPerSample/8 - 1];
 211         FillMemory(device->buffer, device->buflen, (device->pwfx->wBitsPerSample == 8) ? 128 : 0);
 212         FillMemory(device->mix_buffer, device->mix_buffer_len, 0);
 213         device->last_pos_bytes = device->pwplay = device->pwqueue = device->playpos = device->mixpos = 0;
 214         return DS_OK;
 215 }
 216
 217
 218 static void DSOUND_PrimaryClose(DirectSoundDevice *device)
 219 {
 220     HRESULT hr;
 221
 222     TRACE("(%p)\n", device);
 223
 224     device->pwqueue = (DWORD)-1; /* resetting queues */
 225
 226     if(device->client){
 227         hr = IAudioClient_Stop(device->client);
 228         if(FAILED(hr))
 229             WARN("Stop failed: %08x\n", hr);
 230     }
 231
 232     /* clear the queue */
 233     device->pwqueue = 0;
 234 }
 235
 236 HRESULT DSOUND_PrimaryCreate(DirectSoundDevice *device)
 237 {
 238         HRESULT err = DS_OK;
 239         TRACE("(%p)\n", device);
 240
 241         device->buflen = ds_hel_buflen;
 242         err = DSOUND_PrimaryOpen(device);
 243
 244         if (err != DS_OK) {
 245                 WARN("DSOUND_PrimaryOpen failed\n");
 246                 return err;
 247         }
 248
 249         device->state = STATE_STOPPED;
 250         return DS_OK;
 251 }
 252
 253 HRESULT DSOUND_PrimaryDestroy(DirectSoundDevice *device)
 254 {
 255         TRACE("(%p)\n", device);
 256
 257         /* **** */
 258         EnterCriticalSection(&(device->mixlock));
 259
 260         DSOUND_PrimaryClose(device);
 261         HeapFree(GetProcessHeap(),0,device->pwfx);
 262         device->pwfx=NULL;
 263
 264         LeaveCriticalSection(&(device->mixlock));
 265         /* **** */
 266
 267         return DS_OK;
 268 }
 269
 270 HRESULT DSOUND_PrimaryPlay(DirectSoundDevice *device)
 271 {
 272     HRESULT hr;
 273
 274     TRACE("(%p)\n", device);
 275
 276     hr = IAudioClient_Start(device->client);
 277     if(FAILED(hr)){
 278         WARN("Start failed: %08x\n", hr);
 279         return hr;
 280     }
 281
 282     return DS_OK;
 283 }
 284
 285 HRESULT DSOUND_PrimaryStop(DirectSoundDevice *device)
 286 {
 287     HRESULT hr;
 288
 289     TRACE("(%p)\n", device);
 290
 291     hr = IAudioClient_Stop(device->client);
 292     if(FAILED(hr)){
 293         WARN("Stop failed: %08x\n", hr);
 294         return hr;
 295     }
 296
 297     return DS_OK;
 298 }
 299
 300 HRESULT DSOUND_PrimaryGetPosition(DirectSoundDevice *device, LPDWORD playpos, LPDWORD writepos)
 301 {
 302         TRACE("(%p,%p,%p)\n", device, playpos, writepos);
 303
 304         TRACE("pwplay=%i, pwqueue=%i\n", device->pwplay, device->pwqueue);
 305
 306         /* check if playpos was requested */
 307         if (playpos)
 308                 /* use the cached play position */
 309                 *playpos = device->pwplay * device->fraglen;
 310
 311         /* check if writepos was requested */
 312         if (writepos)
 313                 /* the writepos is the first non-queued position */
 314                 *writepos = ((device->pwplay + device->pwqueue) % device->helfrags) * device->fraglen;
 315
 316         TRACE("playpos = %d, writepos = %d (%p, time=%d)\n", playpos?*playpos:-1, writepos?*writepos:-1, device, GetTickCount());
 317         return DS_OK;
 318 }
 319
 320 static DWORD DSOUND_GetFormatSize(LPCWAVEFORMATEX wfex)
 321 {
 322         if (wfex->wFormatTag == WAVE_FORMAT_PCM)
 323                 return sizeof(WAVEFORMATEX);
 324         else
 325                 return sizeof(WAVEFORMATEX) + wfex->cbSize;
 326 }
 327
 328 LPWAVEFORMATEX DSOUND_CopyFormat(LPCWAVEFORMATEX wfex)
 329 {
 330         DWORD size = DSOUND_GetFormatSize(wfex);
 331         LPWAVEFORMATEX pwfx = HeapAlloc(GetProcessHeap(),0,size);
 332         if (pwfx == NULL) {
 333                 WARN("out of memory\n");
 334         } else if (wfex->wFormatTag != WAVE_FORMAT_PCM) {
 335                 CopyMemory(pwfx, wfex, size);
 336         } else {
 337                 CopyMemory(pwfx, wfex, sizeof(PCMWAVEFORMAT));
 338                 pwfx->cbSize=0;
 339                 if (pwfx->nBlockAlign != pwfx->nChannels * pwfx->wBitsPerSample/8) {
 340                         WARN("Fixing bad nBlockAlign (%u)\n", pwfx->nBlockAlign);
 341                         pwfx->nBlockAlign  = pwfx->nChannels * pwfx->wBitsPerSample/8;
 342                 }
 343                 if (pwfx->nAvgBytesPerSec != pwfx->nSamplesPerSec * pwfx->nBlockAlign) {
 344                         WARN("Fixing bad nAvgBytesPerSec (%u)\n", pwfx->nAvgBytesPerSec);
 345                         pwfx->nAvgBytesPerSec  = pwfx->nSamplesPerSec * pwfx->nBlockAlign;
 346                 }
 347         }
 348         return pwfx;
 349 }
 350
 351 HRESULT primarybuffer_SetFormat(DirectSoundDevice *device, LPCWAVEFORMATEX passed_fmt)
 352 {
 353         HRESULT err = DSERR_BUFFERLOST;
 354         int i;
 355         WAVEFORMATEX *old_fmt;
 356         WAVEFORMATEXTENSIBLE *fmtex;
 357         BOOL forced = (device->priolevel == DSSCL_WRITEPRIMARY);
 358
 359         TRACE("(%p,%p)\n", device, passed_fmt);
 360
 361         if (device->priolevel == DSSCL_NORMAL) {
 362                 WARN("failed priority check!\n");
 363                 return DSERR_PRIOLEVELNEEDED;
 364         }
 365
 366         /* Let's be pedantic! */
 367         if (passed_fmt == NULL) {
 368                 WARN("invalid parameter: passed_fmt==NULL!\n");
 369                 return DSERR_INVALIDPARAM;
 370         }
 371         TRACE("(formattag=0x%04x,chans=%d,samplerate=%d,"
 372                           "bytespersec=%d,blockalign=%d,bitspersamp=%d,cbSize=%d)\n",
 373                   passed_fmt->wFormatTag, passed_fmt->nChannels, passed_fmt->nSamplesPerSec,
 374                   passed_fmt->nAvgBytesPerSec, passed_fmt->nBlockAlign,
 375                   passed_fmt->wBitsPerSample, passed_fmt->cbSize);
 376
 377         if(passed_fmt->wBitsPerSample < 8 || passed_fmt->wBitsPerSample % 8 != 0 ||
 378                         passed_fmt->nChannels == 0 || passed_fmt->nSamplesPerSec == 0 ||
 379                         passed_fmt->nAvgBytesPerSec == 0 ||
 380                         passed_fmt->nBlockAlign != passed_fmt->nChannels * passed_fmt->wBitsPerSample / 8)
 381                 return DSERR_INVALIDPARAM;
 382
 383         /* **** */
 384         RtlAcquireResourceExclusive(&(device->buffer_list_lock), TRUE);
 385         EnterCriticalSection(&(device->mixlock));
 386
 387         old_fmt = device->pwfx;
 388         device->pwfx = DSOUND_CopyFormat(passed_fmt);
 389         fmtex = (WAVEFORMATEXTENSIBLE *)device->pwfx;
 390         if (device->pwfx == NULL) {
 391                 device->pwfx = old_fmt;
 392                 old_fmt = NULL;
 393                 err = DSERR_OUTOFMEMORY;
 394                 goto done;
 395         }
 396
 397         DSOUND_PrimaryClose(device);
 398
 399         err = DSOUND_ReopenDevice(device, FALSE);
 400         if(SUCCEEDED(err))
 401                 goto opened;
 402
 403         /* requested format failed, so try others */
 404         if(device->pwfx->wFormatTag == WAVE_FORMAT_IEEE_FLOAT){
 405                 device->pwfx->wFormatTag = WAVE_FORMAT_PCM;
 406                 device->pwfx->wBitsPerSample = 32;
 407                 device->pwfx->nAvgBytesPerSec = passed_fmt->nSamplesPerSec * device->pwfx->nBlockAlign;
 408                 device->pwfx->nBlockAlign = passed_fmt->nChannels * (device->pwfx->wBitsPerSample / 8);
 409
 410                 err = DSOUND_ReopenDevice(device, FALSE);
 411                 if(SUCCEEDED(err))
 412                         goto opened;
 413         }
 414
 415         if(device->pwfx->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
 416                          IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)){
 417                 fmtex->SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
 418                 device->pwfx->wBitsPerSample = 32;
 419                 device->pwfx->nAvgBytesPerSec = passed_fmt->nSamplesPerSec * device->pwfx->nBlockAlign;
 420                 device->pwfx->nBlockAlign = passed_fmt->nChannels * (device->pwfx->wBitsPerSample / 8);
 421
 422                 err = DSOUND_ReopenDevice(device, FALSE);
 423                 if(SUCCEEDED(err))
 424                         goto opened;
 425         }
 426
 427         device->pwfx->wBitsPerSample = 32;
 428         device->pwfx->nAvgBytesPerSec = passed_fmt->nSamplesPerSec * device->pwfx->nBlockAlign;
 429         device->pwfx->nBlockAlign = passed_fmt->nChannels * (device->pwfx->wBitsPerSample / 8);
 430         err = DSOUND_ReopenDevice(device, FALSE);
 431         if(SUCCEEDED(err))
 432                 goto opened;
 433
 434         device->pwfx->wBitsPerSample = 16;
 435         device->pwfx->nAvgBytesPerSec = passed_fmt->nSamplesPerSec * device->pwfx->nBlockAlign;
 436         device->pwfx->nBlockAlign = passed_fmt->nChannels * (device->pwfx->wBitsPerSample / 8);
 437         err = DSOUND_ReopenDevice(device, FALSE);
 438         if(SUCCEEDED(err))
 439                 goto opened;
 440
 441         device->pwfx->wBitsPerSample = 8;
 442         device->pwfx->nAvgBytesPerSec = passed_fmt->nSamplesPerSec * device->pwfx->nBlockAlign;
 443         device->pwfx->nBlockAlign = passed_fmt->nChannels * (device->pwfx->wBitsPerSample / 8);
 444         err = DSOUND_ReopenDevice(device, FALSE);
 445         if(SUCCEEDED(err))
 446                 goto opened;
 447
 448         device->pwfx->nChannels = (passed_fmt->nChannels == 2) ? 1 : 2;
 449         device->pwfx->wBitsPerSample = passed_fmt->wBitsPerSample;
 450         device->pwfx->nAvgBytesPerSec = passed_fmt->nSamplesPerSec * device->pwfx->nBlockAlign;
 451         device->pwfx->nBlockAlign = passed_fmt->nChannels * (device->pwfx->wBitsPerSample / 8);
 452         err = DSOUND_ReopenDevice(device, FALSE);
 453         if(SUCCEEDED(err))
 454                 goto opened;
 455
 456         device->pwfx->wBitsPerSample = 32;
 457         device->pwfx->nAvgBytesPerSec = passed_fmt->nSamplesPerSec * device->pwfx->nBlockAlign;
 458         device->pwfx->nBlockAlign = passed_fmt->nChannels * (device->pwfx->wBitsPerSample / 8);
 459         err = DSOUND_ReopenDevice(device, FALSE);
 460         if(SUCCEEDED(err))
 461                 goto opened;
 462
 463         device->pwfx->wBitsPerSample = 16;
 464         device->pwfx->nAvgBytesPerSec = passed_fmt->nSamplesPerSec * device->pwfx->nBlockAlign;
 465         device->pwfx->nBlockAlign = passed_fmt->nChannels * (device->pwfx->wBitsPerSample / 8);
 466         err = DSOUND_ReopenDevice(device, FALSE);
 467         if(SUCCEEDED(err))
 468                 goto opened;
 469
 470         device->pwfx->wBitsPerSample = 8;
 471         device->pwfx->nAvgBytesPerSec = passed_fmt->nSamplesPerSec * device->pwfx->nBlockAlign;
 472         device->pwfx->nBlockAlign = passed_fmt->nChannels * (device->pwfx->wBitsPerSample / 8);
 473         err = DSOUND_ReopenDevice(device, FALSE);
 474         if(SUCCEEDED(err))
 475                 goto opened;
 476
 477         WARN("No formats could be opened\n");
 478         goto done;
 479
 480 opened:
 481         err = DSOUND_PrimaryOpen(device);
 482         if (err != DS_OK) {
 483                 WARN("DSOUND_PrimaryOpen failed\n");
 484                 goto done;
 485         }
 486
 487         if (passed_fmt->nSamplesPerSec/100 != device->pwfx->nSamplesPerSec/100 && forced && device->buffer)
 488         {
 489                 DSOUND_PrimaryClose(device);
 490                 device->pwfx->nSamplesPerSec = passed_fmt->nSamplesPerSec;
 491                 err = DSOUND_ReopenDevice(device, TRUE);
 492                 if (FAILED(err))
 493                         WARN("DSOUND_ReopenDevice(2) failed: %08x\n", err);
 494                 else if (FAILED((err = DSOUND_PrimaryOpen(device))))
 495                         WARN("DSOUND_PrimaryOpen(2) failed: %08x\n", err);
 496         }
 497
 498         device->mix_buffer_len = DSOUND_bufpos_to_mixpos(device, device->buflen);
 499         device->mix_buffer = HeapReAlloc(GetProcessHeap(), 0, device->mix_buffer, device->mix_buffer_len);
 500         FillMemory(device->mix_buffer, device->mix_buffer_len, 0);
 501         device->mixfunction = mixfunctions[device->pwfx->wBitsPerSample/8 - 1];
 502         device->normfunction = normfunctions[device->pwfx->wBitsPerSample/8 - 1];
 503
 504         if (old_fmt->nSamplesPerSec != device->pwfx->nSamplesPerSec ||
 505                         old_fmt->wBitsPerSample != device->pwfx->wBitsPerSample ||
 506                         old_fmt->nChannels != device->pwfx->nChannels) {
 507                 IDirectSoundBufferImpl** dsb = device->buffers;
 508                 for (i = 0; i < device->nrofbuffers; i++, dsb++) {
 509                         /* **** */
 510                         RtlAcquireResourceExclusive(&(*dsb)->lock, TRUE);
 511
 512                         (*dsb)->freqAdjust = ((DWORD64)(*dsb)->freq << DSOUND_FREQSHIFT) / device->pwfx->nSamplesPerSec;
 513                         DSOUND_RecalcFormat((*dsb));
 514                         (*dsb)->primary_mixpos = 0;
 515
 516                         RtlReleaseResource(&(*dsb)->lock);
 517                         /* **** */
 518                 }
 519         }
 520
 521 done:
 522         LeaveCriticalSection(&(device->mixlock));
 523         RtlReleaseResource(&(device->buffer_list_lock));
 524         /* **** */
 525
 526         HeapFree(GetProcessHeap(), 0, old_fmt);
 527         return err;
 528 }
 529
 530 /*******************************************************************************
 531  *              PrimaryBuffer
 532  */
 533 static inline IDirectSoundBufferImpl *impl_from_IDirectSoundBuffer(IDirectSoundBuffer *iface)
 534 {
 535     /* IDirectSoundBuffer and IDirectSoundBuffer8 use the same iface. */
 536     return CONTAINING_RECORD(iface, IDirectSoundBufferImpl, IDirectSoundBuffer8_iface);
 537 }
 538
 539 /* This sets this format for the <em>Primary Buffer Only</em> */
 540 /* See file:///cdrom/sdk52/docs/worddoc/dsound.doc page 120 */
 541 static HRESULT WINAPI PrimaryBufferImpl_SetFormat(
 542     LPDIRECTSOUNDBUFFER iface,
 543     LPCWAVEFORMATEX wfex)
 544 {
 545     IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
 546     TRACE("(%p,%p)\n", iface, wfex);
 547     return primarybuffer_SetFormat(This->device, wfex);
 548 }
 549
 550 static HRESULT WINAPI PrimaryBufferImpl_SetVolume(
 551         LPDIRECTSOUNDBUFFER iface,LONG vol
 552 ) {
 553         IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
 554         DirectSoundDevice *device = This->device;
 555         HRESULT hr;
 556         float lvol, rvol;
 557
 558         TRACE("(%p,%d)\n", iface, vol);
 559
 560         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 561                 WARN("control unavailable\n");
 562                 return DSERR_CONTROLUNAVAIL;
 563         }
 564
 565         if ((vol > DSBVOLUME_MAX) || (vol < DSBVOLUME_MIN)) {
 566                 WARN("invalid parameter: vol = %d\n", vol);
 567                 return DSERR_INVALIDPARAM;
 568         }
 569
 570         /* **** */
 571         EnterCriticalSection(&device->mixlock);
 572
 573         hr = IAudioStreamVolume_GetChannelVolume(device->volume, 0, &lvol);
 574         if(FAILED(hr)){
 575                 LeaveCriticalSection(&device->mixlock);
 576                 WARN("GetChannelVolume failed: %08x\n", hr);
 577                 return hr;
 578         }
 579
 580         if(device->pwfx->nChannels > 1){
 581                 hr = IAudioStreamVolume_GetChannelVolume(device->volume, 1, &rvol);
 582                 if(FAILED(hr)){
 583                         LeaveCriticalSection(&device->mixlock);
 584                         WARN("GetChannelVolume failed: %08x\n", hr);
 585                         return hr;
 586                 }
 587         }else
 588                 rvol = 1;
 589
 590         device->volpan.dwTotalLeftAmpFactor = ((UINT16)(lvol * (DWORD)0xFFFF));
 591         device->volpan.dwTotalRightAmpFactor = ((UINT16)(rvol * (DWORD)0xFFFF));
 592
 593         DSOUND_AmpFactorToVolPan(&device->volpan);
 594         if (vol != device->volpan.lVolume) {
 595                 device->volpan.lVolume=vol;
 596                 DSOUND_RecalcVolPan(&device->volpan);
 597                 lvol = (float)((DWORD)(device->volpan.dwTotalLeftAmpFactor & 0xFFFF) / (float)0xFFFF);
 598                 hr = IAudioStreamVolume_SetChannelVolume(device->volume, 0, lvol);
 599                 if(FAILED(hr)){
 600                         LeaveCriticalSection(&device->mixlock);
 601                         WARN("SetChannelVolume failed: %08x\n", hr);
 602                         return hr;
 603                 }
 604
 605                 if(device->pwfx->nChannels > 1){
 606                         rvol = (float)((DWORD)(device->volpan.dwTotalRightAmpFactor & 0xFFFF) / (float)0xFFFF);
 607                         hr = IAudioStreamVolume_SetChannelVolume(device->volume, 1, rvol);
 608                         if(FAILED(hr)){
 609                                 LeaveCriticalSection(&device->mixlock);
 610                                 WARN("SetChannelVolume failed: %08x\n", hr);
 611                                 return hr;
 612                         }
 613                 }
 614         }
 615
 616         LeaveCriticalSection(&(device->mixlock));
 617         /* **** */
 618
 619         return DS_OK;
 620 }
 621
 622 static HRESULT WINAPI PrimaryBufferImpl_GetVolume(
 623         LPDIRECTSOUNDBUFFER iface,LPLONG vol
 624 ) {
 625         IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
 626         DirectSoundDevice *device = This->device;
 627         float lvol, rvol;
 628         HRESULT hr;
 629         TRACE("(%p,%p)\n", iface, vol);
 630
 631         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 632                 WARN("control unavailable\n");
 633                 return DSERR_CONTROLUNAVAIL;
 634         }
 635
 636         if (vol == NULL) {
 637                 WARN("invalid parameter: vol = NULL\n");
 638                 return DSERR_INVALIDPARAM;
 639         }
 640
 641         EnterCriticalSection(&device->mixlock);
 642
 643         hr = IAudioStreamVolume_GetChannelVolume(device->volume, 0, &lvol);
 644         if(FAILED(hr)){
 645                 LeaveCriticalSection(&device->mixlock);
 646                 WARN("GetChannelVolume failed: %08x\n", hr);
 647                 return hr;
 648         }
 649
 650         if(device->pwfx->nChannels > 1){
 651                 hr = IAudioStreamVolume_GetChannelVolume(device->volume, 1, &rvol);
 652                 if(FAILED(hr)){
 653                         LeaveCriticalSection(&device->mixlock);
 654                         WARN("GetChannelVolume failed: %08x\n", hr);
 655                         return hr;
 656                 }
 657         }else
 658                 rvol = 1;
 659
 660         device->volpan.dwTotalLeftAmpFactor = ((UINT16)(lvol * (DWORD)0xFFFF));
 661         device->volpan.dwTotalRightAmpFactor = ((UINT16)(rvol * (DWORD)0xFFFF));
 662
 663         DSOUND_AmpFactorToVolPan(&device->volpan);
 664         *vol = device->volpan.lVolume;
 665
 666         LeaveCriticalSection(&device->mixlock);
 667
 668         return DS_OK;
 669 }
 670
 671 static HRESULT WINAPI PrimaryBufferImpl_SetFrequency(
 672         LPDIRECTSOUNDBUFFER iface,DWORD freq
 673 ) {
 674         IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
 675         TRACE("(%p,%d)\n",This,freq);
 676
 677         /* You cannot set the frequency of the primary buffer */
 678         WARN("control unavailable\n");
 679         return DSERR_CONTROLUNAVAIL;
 680 }
 681
 682 static HRESULT WINAPI PrimaryBufferImpl_Play(
 683         LPDIRECTSOUNDBUFFER iface,DWORD reserved1,DWORD reserved2,DWORD flags
 684 ) {
 685         IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
 686         DirectSoundDevice *device = This->device;
 687         TRACE("(%p,%08x,%08x,%08x)\n", iface, reserved1, reserved2, flags);
 688
 689         if (!(flags & DSBPLAY_LOOPING)) {
 690                 WARN("invalid parameter: flags = %08x\n", flags);
 691                 return DSERR_INVALIDPARAM;
 692         }
 693
 694         /* **** */
 695         EnterCriticalSection(&(device->mixlock));
 696
 697         if (device->state == STATE_STOPPED)
 698                 device->state = STATE_STARTING;
 699         else if (device->state == STATE_STOPPING)
 700                 device->state = STATE_PLAYING;
 701
 702         LeaveCriticalSection(&(device->mixlock));
 703         /* **** */
 704
 705         return DS_OK;
 706 }
 707
 708 static HRESULT WINAPI PrimaryBufferImpl_Stop(LPDIRECTSOUNDBUFFER iface)
 709 {
 710         IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
 711         DirectSoundDevice *device = This->device;
 712         TRACE("(%p)\n", iface);
 713
 714         /* **** */
 715         EnterCriticalSection(&(device->mixlock));
 716
 717         if (device->state == STATE_PLAYING)
 718                 device->state = STATE_STOPPING;
 719         else if (device->state == STATE_STARTING)
 720                 device->state = STATE_STOPPED;
 721
 722         LeaveCriticalSection(&(device->mixlock));
 723         /* **** */
 724
 725         return DS_OK;
 726 }
 727
 728 static ULONG WINAPI PrimaryBufferImpl_AddRef(LPDIRECTSOUNDBUFFER iface)
 729 {
 730     IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
 731     ULONG ref = InterlockedIncrement(&(This->ref));
 732     TRACE("(%p) ref was %d\n", This, ref - 1);
 733     if(ref == 1)
 734         InterlockedIncrement(&This->numIfaces);
 735     return ref;
 736 }
 737
 738 void primarybuffer_destroy(IDirectSoundBufferImpl *This)
 739 {
 740     This->device->primary = NULL;
 741     HeapFree(GetProcessHeap(), 0, This);
 742     TRACE("(%p) released\n", This);
 743 }
 744
 745 static ULONG WINAPI PrimaryBufferImpl_Release(LPDIRECTSOUNDBUFFER iface)
 746 {
 747     IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
 748     DWORD ref = InterlockedDecrement(&(This->ref));
 749     TRACE("(%p) ref was %d\n", This, ref + 1);
 750
 751     if (!ref && !InterlockedDecrement(&This->numIfaces))
 752         primarybuffer_destroy(This);
 753     return ref;
 754 }
 755
 756 static HRESULT WINAPI PrimaryBufferImpl_GetCurrentPosition(
 757         LPDIRECTSOUNDBUFFER iface,LPDWORD playpos,LPDWORD writepos
 758 ) {
 759         HRESULT hres;
 760         IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
 761         DirectSoundDevice *device = This->device;
 762         TRACE("(%p,%p,%p)\n", iface, playpos, writepos);
 763
 764         /* **** */
 765         EnterCriticalSection(&(device->mixlock));
 766
 767         hres = DSOUND_PrimaryGetPosition(device, playpos, writepos);
 768         if (hres != DS_OK) {
 769                 WARN("DSOUND_PrimaryGetPosition failed\n");
 770                 LeaveCriticalSection(&(device->mixlock));
 771                 return hres;
 772         }
 773         if (writepos) {
 774                 if (device->state != STATE_STOPPED)
 775                         /* apply the documented 10ms lead to writepos */
 776                         *writepos += device->writelead;
 777                 while (*writepos >= device->buflen) *writepos -= device->buflen;
 778         }
 779
 780         LeaveCriticalSection(&(device->mixlock));
 781         /* **** */
 782
 783         TRACE("playpos = %d, writepos = %d (%p, time=%d)\n", playpos?*playpos:0, writepos?*writepos:0, device, GetTickCount());
 784         return DS_OK;
 785 }
 786
 787 static HRESULT WINAPI PrimaryBufferImpl_GetStatus(
 788         LPDIRECTSOUNDBUFFER iface,LPDWORD status
 789 ) {
 790         IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
 791         DirectSoundDevice *device = This->device;
 792         TRACE("(%p,%p)\n", iface, status);
 793
 794         if (status == NULL) {
 795                 WARN("invalid parameter: status == NULL\n");
 796                 return DSERR_INVALIDPARAM;
 797         }
 798
 799         *status = 0;
 800         if ((device->state == STATE_STARTING) ||
 801             (device->state == STATE_PLAYING))
 802                 *status |= DSBSTATUS_PLAYING | DSBSTATUS_LOOPING;
 803
 804         TRACE("status=%x\n", *status);
 805         return DS_OK;
 806 }
 807
 808
 809 static HRESULT WINAPI PrimaryBufferImpl_GetFormat(
 810     LPDIRECTSOUNDBUFFER iface,
 811     LPWAVEFORMATEX lpwf,
 812     DWORD wfsize,
 813     LPDWORD wfwritten)
 814 {
 815     DWORD size;
 816     IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
 817     DirectSoundDevice *device = This->device;
 818     TRACE("(%p,%p,%d,%p)\n", iface, lpwf, wfsize, wfwritten);
 819
 820     size = sizeof(WAVEFORMATEX) + device->pwfx->cbSize;
 821
 822     if (lpwf) { /* NULL is valid */
 823         if (wfsize >= size) {
 824             CopyMemory(lpwf,device->pwfx,size);
 825             if (wfwritten)
 826                 *wfwritten = size;
 827         } else {
 828             WARN("invalid parameter: wfsize too small\n");
 829             if (wfwritten)
 830                 *wfwritten = 0;
 831             return DSERR_INVALIDPARAM;
 832         }
 833     } else {
 834         if (wfwritten)
 835             *wfwritten = sizeof(WAVEFORMATEX) + device->pwfx->cbSize;
 836         else {
 837             WARN("invalid parameter: wfwritten == NULL\n");
 838             return DSERR_INVALIDPARAM;
 839         }
 840     }
 841
 842     return DS_OK;
 843 }
 844
 845 static HRESULT WINAPI PrimaryBufferImpl_Lock(
 846         LPDIRECTSOUNDBUFFER iface,DWORD writecursor,DWORD writebytes,LPVOID *lplpaudioptr1,LPDWORD audiobytes1,LPVOID *lplpaudioptr2,LPDWORD audiobytes2,DWORD flags
 847 ) {
 848         HRESULT hres;
 849         IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
 850         DirectSoundDevice *device = This->device;
 851         TRACE("(%p,%d,%d,%p,%p,%p,%p,0x%08x) at %d\n",
 852                 iface,
 853                 writecursor,
 854                 writebytes,
 855                 lplpaudioptr1,
 856                 audiobytes1,
 857                 lplpaudioptr2,
 858                 audiobytes2,
 859                 flags,
 860                 GetTickCount()
 861         );
 862
 863         if (!audiobytes1)
 864             return DSERR_INVALIDPARAM;
 865
 866         if (device->priolevel != DSSCL_WRITEPRIMARY) {
 867                 WARN("failed priority check!\n");
 868                 return DSERR_PRIOLEVELNEEDED;
 869         }
 870
 871         /* when this flag is set, writecursor is meaningless and must be calculated */
 872         if (flags & DSBLOCK_FROMWRITECURSOR) {
 873                 /* GetCurrentPosition does too much magic to duplicate here */
 874                 hres = IDirectSoundBuffer_GetCurrentPosition(iface, NULL, &writecursor);
 875                 if (hres != DS_OK) {
 876                         WARN("IDirectSoundBuffer_GetCurrentPosition failed\n");
 877                         return hres;
 878                 }
 879         }
 880
 881         /* when this flag is set, writebytes is meaningless and must be set */
 882         if (flags & DSBLOCK_ENTIREBUFFER)
 883                 writebytes = device->buflen;
 884
 885         if (writecursor >= device->buflen) {
 886                 WARN("Invalid parameter, writecursor: %u >= buflen: %u\n",
 887                      writecursor, device->buflen);
 888                 return DSERR_INVALIDPARAM;
 889         }
 890
 891         if (writebytes > device->buflen) {
 892                 WARN("Invalid parameter, writebytes: %u > buflen: %u\n",
 893                      writebytes, device->buflen);
 894                 return DSERR_INVALIDPARAM;
 895         }
 896
 897         if (writecursor+writebytes <= device->buflen) {
 898                 *(LPBYTE*)lplpaudioptr1 = device->buffer+writecursor;
 899                 *audiobytes1 = writebytes;
 900                 if (lplpaudioptr2)
 901                         *(LPBYTE*)lplpaudioptr2 = NULL;
 902                 if (audiobytes2)
 903                         *audiobytes2 = 0;
 904                 TRACE("->%d.0\n",writebytes);
 905         } else {
 906                 *(LPBYTE*)lplpaudioptr1 = device->buffer+writecursor;
 907                 *audiobytes1 = device->buflen-writecursor;
 908                 if (lplpaudioptr2)
 909                         *(LPBYTE*)lplpaudioptr2 = device->buffer;
 910                 if (audiobytes2)
 911                         *audiobytes2 = writebytes-(device->buflen-writecursor);
 912                 TRACE("->%d.%d\n",*audiobytes1,audiobytes2?*audiobytes2:0);
 913         }
 914         return DS_OK;
 915 }
 916
 917 static HRESULT WINAPI PrimaryBufferImpl_SetCurrentPosition(
 918         LPDIRECTSOUNDBUFFER iface,DWORD newpos
 919 ) {
 920         IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
 921         TRACE("(%p,%d)\n",This,newpos);
 922
 923         /* You cannot set the position of the primary buffer */
 924         WARN("invalid call\n");
 925         return DSERR_INVALIDCALL;
 926 }
 927
 928 static HRESULT WINAPI PrimaryBufferImpl_SetPan(
 929         LPDIRECTSOUNDBUFFER iface,LONG pan
 930 ) {
 931         IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
 932         DirectSoundDevice *device = This->device;
 933         float lvol, rvol;
 934         HRESULT hr;
 935         TRACE("(%p,%d)\n", iface, pan);
 936
 937         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
 938                 WARN("control unavailable\n");
 939                 return DSERR_CONTROLUNAVAIL;
 940         }
 941
 942         if ((pan > DSBPAN_RIGHT) || (pan < DSBPAN_LEFT)) {
 943                 WARN("invalid parameter: pan = %d\n", pan);
 944                 return DSERR_INVALIDPARAM;
 945         }
 946
 947         /* **** */
 948         EnterCriticalSection(&device->mixlock);
 949
 950         hr = IAudioStreamVolume_GetChannelVolume(device->volume, 0, &lvol);
 951         if(FAILED(hr)){
 952                 LeaveCriticalSection(&device->mixlock);
 953                 WARN("GetChannelVolume failed: %08x\n", hr);
 954                 return hr;
 955         }
 956
 957         if(device->pwfx->nChannels > 1){
 958                 hr = IAudioStreamVolume_GetChannelVolume(device->volume, 1, &rvol);
 959                 if(FAILED(hr)){
 960                         LeaveCriticalSection(&device->mixlock);
 961                         WARN("GetChannelVolume failed: %08x\n", hr);
 962                         return hr;
 963                 }
 964         }else
 965                 rvol = 1;
 966
 967         device->volpan.dwTotalLeftAmpFactor = ((UINT16)(lvol * (DWORD)0xFFFF));
 968         device->volpan.dwTotalRightAmpFactor = ((UINT16)(rvol * (DWORD)0xFFFF));
 969
 970         DSOUND_AmpFactorToVolPan(&device->volpan);
 971         if (pan != device->volpan.lPan) {
 972                 device->volpan.lPan=pan;
 973                 DSOUND_RecalcVolPan(&device->volpan);
 974
 975                 lvol = (float)((DWORD)(device->volpan.dwTotalLeftAmpFactor & 0xFFFF) / (float)0xFFFF);
 976                 hr = IAudioStreamVolume_SetChannelVolume(device->volume, 0, lvol);
 977                 if(FAILED(hr)){
 978                         LeaveCriticalSection(&device->mixlock);
 979                         WARN("SetChannelVolume failed: %08x\n", hr);
 980                         return hr;
 981                 }
 982
 983                 if(device->pwfx->nChannels > 1){
 984                         rvol = (float)((DWORD)(device->volpan.dwTotalRightAmpFactor & 0xFFFF) / (float)0xFFFF);
 985                         hr = IAudioStreamVolume_SetChannelVolume(device->volume, 1, rvol);
 986                         if(FAILED(hr)){
 987                                 LeaveCriticalSection(&device->mixlock);
 988                                 WARN("SetChannelVolume failed: %08x\n", hr);
 989                                 return hr;
 990                         }
 991                 }
 992         }
 993
 994         LeaveCriticalSection(&device->mixlock);
 995         /* **** */
 996
 997         return DS_OK;
 998 }
 999
1000 static HRESULT WINAPI PrimaryBufferImpl_GetPan(
1001         LPDIRECTSOUNDBUFFER iface,LPLONG pan
1002 ) {
1003         IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
1004         DirectSoundDevice *device = This->device;
1005         float lvol, rvol;
1006         HRESULT hr;
1007         TRACE("(%p,%p)\n", iface, pan);
1008
1009         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
1010                 WARN("control unavailable\n");
1011                 return DSERR_CONTROLUNAVAIL;
1012         }
1013
1014         if (pan == NULL) {
1015                 WARN("invalid parameter: pan == NULL\n");
1016                 return DSERR_INVALIDPARAM;
1017         }
1018
1019         EnterCriticalSection(&device->mixlock);
1020
1021         hr = IAudioStreamVolume_GetChannelVolume(device->volume, 0, &lvol);
1022         if(FAILED(hr)){
1023                 LeaveCriticalSection(&device->mixlock);
1024                 WARN("GetChannelVolume failed: %08x\n", hr);
1025                 return hr;
1026         }
1027
1028         if(device->pwfx->nChannels > 1){
1029                 hr = IAudioStreamVolume_GetChannelVolume(device->volume, 1, &rvol);
1030                 if(FAILED(hr)){
1031                         LeaveCriticalSection(&device->mixlock);
1032                         WARN("GetChannelVolume failed: %08x\n", hr);
1033                         return hr;
1034                 }
1035         }else
1036                 rvol = 1;
1037
1038         device->volpan.dwTotalLeftAmpFactor = ((UINT16)(lvol * (DWORD)0xFFFF));
1039         device->volpan.dwTotalRightAmpFactor = ((UINT16)(rvol * (DWORD)0xFFFF));
1040
1041         DSOUND_AmpFactorToVolPan(&device->volpan);
1042         *pan = device->volpan.lPan;
1043
1044         LeaveCriticalSection(&device->mixlock);
1045
1046         return DS_OK;
1047 }
1048
1049 static HRESULT WINAPI PrimaryBufferImpl_Unlock(
1050         LPDIRECTSOUNDBUFFER iface,LPVOID p1,DWORD x1,LPVOID p2,DWORD x2
1051 ) {
1052         IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
1053         DirectSoundDevice *device = This->device;
1054         TRACE("(%p,%p,%d,%p,%d)\n", iface, p1, x1, p2, x2);
1055
1056         if (device->priolevel != DSSCL_WRITEPRIMARY) {
1057                 WARN("failed priority check!\n");
1058                 return DSERR_PRIOLEVELNEEDED;
1059         }
1060
1061     if((p1 && ((BYTE*)p1 < device->buffer ||
1062                     (BYTE*)p1 >= device->buffer + device->buflen)) ||
1063             (p2 && ((BYTE*)p2 < device->buffer ||
1064                     (BYTE*)p2 >= device->buffer + device->buflen)))
1065         return DSERR_INVALIDPARAM;
1066
1067         return DS_OK;
1068 }
1069
1070 static HRESULT WINAPI PrimaryBufferImpl_Restore(
1071         LPDIRECTSOUNDBUFFER iface
1072 ) {
1073         IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
1074         FIXME("(%p):stub\n",This);
1075         return DS_OK;
1076 }
1077
1078 static HRESULT WINAPI PrimaryBufferImpl_GetFrequency(
1079         LPDIRECTSOUNDBUFFER iface,LPDWORD freq
1080 ) {
1081         IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
1082         DirectSoundDevice *device = This->device;
1083         TRACE("(%p,%p)\n", iface, freq);
1084
1085         if (freq == NULL) {
1086                 WARN("invalid parameter: freq == NULL\n");
1087                 return DSERR_INVALIDPARAM;
1088         }
1089
1090         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLFREQUENCY)) {
1091                 WARN("control unavailable\n");
1092                 return DSERR_CONTROLUNAVAIL;
1093         }
1094
1095         *freq = device->pwfx->nSamplesPerSec;
1096         TRACE("-> %d\n", *freq);
1097
1098         return DS_OK;
1099 }
1100
1101 static HRESULT WINAPI PrimaryBufferImpl_Initialize(
1102         LPDIRECTSOUNDBUFFER iface,LPDIRECTSOUND dsound,LPCDSBUFFERDESC dbsd
1103 ) {
1104         IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
1105         WARN("(%p) already initialized\n", This);
1106         return DSERR_ALREADYINITIALIZED;
1107 }
1108
1109 static HRESULT WINAPI PrimaryBufferImpl_GetCaps(
1110         LPDIRECTSOUNDBUFFER iface,LPDSBCAPS caps
1111 ) {
1112         IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
1113         DirectSoundDevice *device = This->device;
1114         TRACE("(%p,%p)\n", iface, caps);
1115
1116         if (caps == NULL) {
1117                 WARN("invalid parameter: caps == NULL\n");
1118                 return DSERR_INVALIDPARAM;
1119         }
1120
1121         if (caps->dwSize < sizeof(*caps)) {
1122                 WARN("invalid parameter: caps->dwSize = %d\n", caps->dwSize);
1123                 return DSERR_INVALIDPARAM;
1124         }
1125
1126         caps->dwFlags = This->dsbd.dwFlags;
1127         caps->dwBufferBytes = device->buflen;
1128
1129         /* Windows reports these as zero */
1130         caps->dwUnlockTransferRate = 0;
1131         caps->dwPlayCpuOverhead = 0;
1132
1133         return DS_OK;
1134 }
1135
1136 static HRESULT WINAPI PrimaryBufferImpl_QueryInterface(
1137         LPDIRECTSOUNDBUFFER iface,REFIID riid,LPVOID *ppobj
1138 ) {
1139         IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
1140         DirectSoundDevice *device = This->device;
1141         TRACE("(%p,%s,%p)\n", iface, debugstr_guid(riid), ppobj);
1142
1143         if (ppobj == NULL) {
1144                 WARN("invalid parameter\n");
1145                 return E_INVALIDARG;
1146         }
1147
1148         *ppobj = NULL;  /* assume failure */
1149
1150         if ( IsEqualGUID(riid, &IID_IUnknown) ||
1151              IsEqualGUID(riid, &IID_IDirectSoundBuffer) ) {
1152                 IDirectSoundBuffer_AddRef((LPDIRECTSOUNDBUFFER)This);
1153                 *ppobj = This;
1154                 return S_OK;
1155         }
1156
1157         /* DirectSoundBuffer and DirectSoundBuffer8 are different and */
1158         /* a primary buffer can't have a DirectSoundBuffer8 interface */
1159         if ( IsEqualGUID( &IID_IDirectSoundBuffer8, riid ) ) {
1160                 WARN("app requested DirectSoundBuffer8 on primary buffer\n");
1161                 return E_NOINTERFACE;
1162         }
1163
1164         if ( IsEqualGUID( &IID_IDirectSoundNotify, riid ) ) {
1165                 ERR("app requested IDirectSoundNotify on primary buffer\n");
1166                 /* FIXME: should we support this? */
1167                 return E_NOINTERFACE;
1168         }
1169
1170         if ( IsEqualGUID( &IID_IDirectSound3DBuffer, riid ) ) {
1171                 ERR("app requested IDirectSound3DBuffer on primary buffer\n");
1172                 return E_NOINTERFACE;
1173         }
1174
1175         if ( IsEqualGUID( &IID_IDirectSound3DListener, riid ) ) {
1176                 if (!device->listener)
1177                         IDirectSound3DListenerImpl_Create(device, &device->listener);
1178                 if (device->listener) {
1179                         *ppobj = device->listener;
1180                         IDirectSound3DListener_AddRef((LPDIRECTSOUND3DLISTENER)*ppobj);
1181                         return S_OK;
1182                 }
1183
1184                 WARN("IID_IDirectSound3DListener failed\n");
1185                 return E_NOINTERFACE;
1186         }
1187
1188         if ( IsEqualGUID( &IID_IKsPropertySet, riid ) ) {
1189                 FIXME("app requested IKsPropertySet on primary buffer\n");
1190                 return E_NOINTERFACE;
1191         }
1192
1193         FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
1194         return E_NOINTERFACE;
1195 }
1196
1197 static const IDirectSoundBufferVtbl dspbvt =
1198 {
1199         PrimaryBufferImpl_QueryInterface,
1200         PrimaryBufferImpl_AddRef,
1201         PrimaryBufferImpl_Release,
1202         PrimaryBufferImpl_GetCaps,
1203         PrimaryBufferImpl_GetCurrentPosition,
1204         PrimaryBufferImpl_GetFormat,
1205         PrimaryBufferImpl_GetVolume,
1206         PrimaryBufferImpl_GetPan,
1207         PrimaryBufferImpl_GetFrequency,
1208         PrimaryBufferImpl_GetStatus,
1209         PrimaryBufferImpl_Initialize,
1210         PrimaryBufferImpl_Lock,
1211         PrimaryBufferImpl_Play,
1212         PrimaryBufferImpl_SetCurrentPosition,
1213         PrimaryBufferImpl_SetFormat,
1214         PrimaryBufferImpl_SetVolume,
1215         PrimaryBufferImpl_SetPan,
1216         PrimaryBufferImpl_SetFrequency,
1217         PrimaryBufferImpl_Stop,
1218         PrimaryBufferImpl_Unlock,
1219         PrimaryBufferImpl_Restore
1220 };
1221
1222 HRESULT primarybuffer_create(DirectSoundDevice *device, IDirectSoundBufferImpl **ppdsb,
1223         const DSBUFFERDESC *dsbd)
1224 {
1225         IDirectSoundBufferImpl *dsb;
1226         TRACE("%p,%p,%p)\n",device,ppdsb,dsbd);
1227
1228         if (dsbd->lpwfxFormat) {
1229                 WARN("invalid parameter: dsbd->lpwfxFormat != NULL\n");
1230                 *ppdsb = NULL;
1231                 return DSERR_INVALIDPARAM;
1232         }
1233
1234         dsb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*dsb));
1235
1236         if (dsb == NULL) {
1237                 WARN("out of memory\n");
1238                 *ppdsb = NULL;
1239                 return DSERR_OUTOFMEMORY;
1240         }
1241
1242         dsb->ref = 1;
1243         dsb->numIfaces = 1;
1244         dsb->device = device;
1245         dsb->IDirectSoundBuffer8_iface.lpVtbl = (IDirectSoundBuffer8Vtbl *)&dspbvt;
1246         dsb->dsbd = *dsbd;
1247
1248         TRACE("Created primary buffer at %p\n", dsb);
1249         TRACE("(formattag=0x%04x,chans=%d,samplerate=%d,"
1250                 "bytespersec=%d,blockalign=%d,bitspersamp=%d,cbSize=%d)\n",
1251                 device->pwfx->wFormatTag, device->pwfx->nChannels,
1252                 device->pwfx->nSamplesPerSec, device->pwfx->nAvgBytesPerSec,
1253                 device->pwfx->nBlockAlign, device->pwfx->wBitsPerSample,
1254                 device->pwfx->cbSize);
1255
1256         *ppdsb = dsb;
1257         return S_OK;
1258 }