ole32/tests: Test creation of a storage on an ILockBytes containing data.
[wine.git] / dlls / dsound / primary.c
blobc726edf05703b25728fbd87fe0ef531aff89724f
1 /* DirectSound
3 * Copyright 1998 Marcus Meissner
4 * Copyright 1998 Rob Riggs
5 * Copyright 2000-2002 TransGaming Technologies, Inc.
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.
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.
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
21 * TODO:
22 * When PrimarySetFormat (via ReopenDevice or PrimaryOpen) fails,
23 * it leaves dsound in unusable (not really open) state.
26 #include <stdarg.h>
28 #define NONAMELESSSTRUCT
29 #define NONAMELESSUNION
30 #include "windef.h"
31 #include "winbase.h"
32 #include "winuser.h"
33 #include "mmsystem.h"
34 #include "winternl.h"
35 #include "mmddk.h"
36 #include "wine/debug.h"
37 #include "dsound.h"
38 #include "dsdriver.h"
39 #include "dsound_private.h"
41 WINE_DEFAULT_DEBUG_CHANNEL(dsound);
43 /** Calculate how long a fragment length of about 10 ms should be in frames
45 * nSamplesPerSec: Frequency rate in samples per second
46 * nBlockAlign: Size of a single blockalign
48 * Returns:
49 * Size in bytes of a single fragment
51 DWORD DSOUND_fraglen(DWORD nSamplesPerSec, DWORD nBlockAlign)
53 /* Given a timer delay of 10ms, the fragment size is approximately:
54 * fraglen = (nSamplesPerSec * 10 / 1000) * nBlockAlign
55 * ==> fraglen = (nSamplesPerSec / 100) * nBlockSize
57 * ALSA uses buffers that are powers of 2. Because of this, fraglen
58 * is rounded up to the nearest power of 2:
61 if (nSamplesPerSec <= 12800)
62 return 128 * nBlockAlign;
64 if (nSamplesPerSec <= 25600)
65 return 256 * nBlockAlign;
67 if (nSamplesPerSec <= 51200)
68 return 512 * nBlockAlign;
70 return 1024 * nBlockAlign;
73 static void DSOUND_RecalcPrimary(DirectSoundDevice *device)
75 TRACE("(%p)\n", device);
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);
81 if (device->hwbuf && device->drvdesc.dwFlags & DSDDESC_DONTNEEDWRITELEAD)
82 device->writelead = 0;
83 else
84 /* calculate the 10ms write lead */
85 device->writelead = (device->pwfx->nSamplesPerSec / 100) * device->pwfx->nBlockAlign;
88 HRESULT DSOUND_ReopenDevice(DirectSoundDevice *device, BOOL forcewave)
90 HRESULT hres = DS_OK;
91 TRACE("(%p, %d)\n", device, forcewave);
93 if (device->driver)
95 IDsDriver_Close(device->driver);
96 if (device->drvdesc.dwFlags & DSDDESC_DOMMSYSTEMOPEN)
97 waveOutClose(device->hwo);
98 IDsDriver_Release(device->driver);
99 device->driver = NULL;
100 device->buffer = NULL;
101 device->hwo = 0;
103 else if (device->drvdesc.dwFlags & DSDDESC_DOMMSYSTEMOPEN)
104 waveOutClose(device->hwo);
106 /* DRV_QUERYDSOUNDIFACE is a "Wine extension" to get the DSound interface */
107 if (ds_hw_accel != DS_HW_ACCEL_EMULATION && !forcewave)
108 waveOutMessage((HWAVEOUT)device->drvdesc.dnDevNode, DRV_QUERYDSOUNDIFACE, (DWORD_PTR)&device->driver, 0);
110 /* Get driver description */
111 if (device->driver) {
112 DWORD wod = device->drvdesc.dnDevNode;
113 hres = IDsDriver_GetDriverDesc(device->driver,&(device->drvdesc));
114 device->drvdesc.dnDevNode = wod;
115 if (FAILED(hres)) {
116 WARN("IDsDriver_GetDriverDesc failed: %08x\n", hres);
117 IDsDriver_Release(device->driver);
118 device->driver = NULL;
122 /* if no DirectSound interface available, use WINMM API instead */
123 if (!device->driver)
124 device->drvdesc.dwFlags = DSDDESC_DOMMSYSTEMOPEN | DSDDESC_DOMMSYSTEMSETFORMAT;
126 if (device->drvdesc.dwFlags & DSDDESC_DOMMSYSTEMOPEN)
128 DWORD flags = CALLBACK_FUNCTION | WAVE_MAPPED;
130 if (device->driver)
131 flags |= WAVE_DIRECTSOUND;
133 hres = mmErr(waveOutOpen(&(device->hwo), device->drvdesc.dnDevNode, device->pwfx, (DWORD_PTR)DSOUND_callback, (DWORD_PTR)device, flags));
134 if (FAILED(hres)) {
135 WARN("waveOutOpen failed\n");
136 if (device->driver)
138 IDsDriver_Release(device->driver);
139 device->driver = NULL;
141 return hres;
145 if (device->driver)
146 hres = IDsDriver_Open(device->driver);
148 return hres;
151 static HRESULT DSOUND_PrimaryOpen(DirectSoundDevice *device)
153 DWORD buflen;
154 HRESULT err = DS_OK;
155 TRACE("(%p)\n", device);
157 /* on original windows, the buffer it set to a fixed size, no matter what the settings are.
158 on windows this size is always fixed (tested on win-xp) */
159 if (!device->buflen)
160 device->buflen = ds_hel_buflen;
161 buflen = device->buflen;
162 buflen -= buflen % device->pwfx->nBlockAlign;
163 device->buflen = buflen;
165 if (device->driver)
167 err = IDsDriver_CreateSoundBuffer(device->driver,device->pwfx,
168 DSBCAPS_PRIMARYBUFFER,0,
169 &(device->buflen),&(device->buffer),
170 (LPVOID*)&(device->hwbuf));
172 if (err != DS_OK) {
173 WARN("IDsDriver_CreateSoundBuffer failed (%08x), falling back to waveout\n", err);
174 err = DSOUND_ReopenDevice(device, TRUE);
175 if (FAILED(err))
177 WARN("Falling back to waveout failed too! Giving up\n");
178 return err;
181 if (device->hwbuf)
182 IDsDriverBuffer_SetVolumePan(device->hwbuf, &device->volpan);
184 DSOUND_RecalcPrimary(device);
185 device->prebuf = ds_snd_queue_max;
186 if (device->helfrags < ds_snd_queue_min)
188 WARN("Too little sound buffer to be effective (%d/%d) falling back to waveout\n", device->buflen, ds_snd_queue_min * device->fraglen);
189 device->buflen = buflen;
190 IDsDriverBuffer_Release(device->hwbuf);
191 device->hwbuf = NULL;
192 err = DSOUND_ReopenDevice(device, TRUE);
193 if (FAILED(err))
195 WARN("Falling back to waveout failed too! Giving up\n");
196 return err;
199 else if (device->helfrags < ds_snd_queue_max)
200 device->prebuf = device->helfrags;
203 device->mix_buffer_len = DSOUND_bufpos_to_mixpos(device, device->buflen);
204 device->mix_buffer = HeapAlloc(GetProcessHeap(), 0, device->mix_buffer_len);
205 if (!device->mix_buffer)
207 if (device->hwbuf)
208 IDsDriverBuffer_Release(device->hwbuf);
209 device->hwbuf = NULL;
210 return DSERR_OUTOFMEMORY;
213 if (device->state == STATE_PLAYING) device->state = STATE_STARTING;
214 else if (device->state == STATE_STOPPING) device->state = STATE_STOPPED;
216 /* are we using waveOut stuff? */
217 if (!device->driver) {
218 LPBYTE newbuf;
219 LPWAVEHDR headers = NULL;
220 DWORD overshot;
221 unsigned int c;
223 /* Start in pause mode, to allow buffers to get filled */
224 waveOutPause(device->hwo);
226 TRACE("desired buflen=%d, old buffer=%p\n", buflen, device->buffer);
228 /* reallocate emulated primary buffer */
229 if (device->buffer)
230 newbuf = HeapReAlloc(GetProcessHeap(),0,device->buffer, buflen);
231 else
232 newbuf = HeapAlloc(GetProcessHeap(),0, buflen);
234 if (!newbuf) {
235 ERR("failed to allocate primary buffer\n");
236 return DSERR_OUTOFMEMORY;
237 /* but the old buffer might still exist and must be re-prepared */
240 DSOUND_RecalcPrimary(device);
241 if (device->pwave)
242 headers = HeapReAlloc(GetProcessHeap(),0,device->pwave, device->helfrags * sizeof(WAVEHDR));
243 else
244 headers = HeapAlloc(GetProcessHeap(),0,device->helfrags * sizeof(WAVEHDR));
246 if (!headers) {
247 ERR("failed to allocate wave headers\n");
248 HeapFree(GetProcessHeap(), 0, newbuf);
249 DSOUND_RecalcPrimary(device);
250 return DSERR_OUTOFMEMORY;
253 device->buffer = newbuf;
254 device->pwave = headers;
256 /* prepare fragment headers */
257 for (c=0; c<device->helfrags; c++) {
258 device->pwave[c].lpData = (char*)device->buffer + c*device->fraglen;
259 device->pwave[c].dwBufferLength = device->fraglen;
260 device->pwave[c].dwUser = (DWORD_PTR)device;
261 device->pwave[c].dwFlags = 0;
262 device->pwave[c].dwLoops = 0;
263 err = mmErr(waveOutPrepareHeader(device->hwo,&device->pwave[c],sizeof(WAVEHDR)));
264 if (err != DS_OK) {
265 while (c--)
266 waveOutUnprepareHeader(device->hwo,&device->pwave[c],sizeof(WAVEHDR));
267 break;
271 overshot = device->buflen % device->fraglen;
272 /* sanity */
273 if(overshot)
275 overshot -= overshot % device->pwfx->nBlockAlign;
276 device->pwave[device->helfrags - 1].dwBufferLength += overshot;
279 TRACE("fraglen=%d, overshot=%d\n", device->fraglen, overshot);
281 device->mixfunction = mixfunctions[device->pwfx->wBitsPerSample/8 - 1];
282 device->normfunction = normfunctions[device->pwfx->wBitsPerSample/8 - 1];
283 FillMemory(device->buffer, device->buflen, (device->pwfx->wBitsPerSample == 8) ? 128 : 0);
284 FillMemory(device->mix_buffer, device->mix_buffer_len, 0);
285 device->pwplay = device->pwqueue = device->playpos = device->mixpos = 0;
286 return err;
290 static void DSOUND_PrimaryClose(DirectSoundDevice *device)
292 TRACE("(%p)\n", device);
294 /* are we using waveOut stuff? */
295 if (!device->hwbuf) {
296 unsigned c;
298 /* get out of CS when calling the wave system */
299 LeaveCriticalSection(&(device->mixlock));
300 /* **** */
301 device->pwqueue = (DWORD)-1; /* resetting queues */
302 waveOutReset(device->hwo);
303 for (c=0; c<device->helfrags; c++)
304 waveOutUnprepareHeader(device->hwo, &device->pwave[c], sizeof(WAVEHDR));
305 /* **** */
306 EnterCriticalSection(&(device->mixlock));
308 /* clear the queue */
309 device->pwqueue = 0;
310 } else {
311 ULONG ref = IDsDriverBuffer_Release(device->hwbuf);
312 if (!ref)
313 device->hwbuf = 0;
314 else
315 ERR("Still %d references on primary buffer, refcount leak?\n", ref);
319 HRESULT DSOUND_PrimaryCreate(DirectSoundDevice *device)
321 HRESULT err = DS_OK;
322 TRACE("(%p)\n", device);
324 device->buflen = ds_hel_buflen;
325 err = DSOUND_PrimaryOpen(device);
327 if (err != DS_OK) {
328 WARN("DSOUND_PrimaryOpen failed\n");
329 return err;
332 device->state = STATE_STOPPED;
333 return DS_OK;
336 HRESULT DSOUND_PrimaryDestroy(DirectSoundDevice *device)
338 TRACE("(%p)\n", device);
340 /* **** */
341 EnterCriticalSection(&(device->mixlock));
343 DSOUND_PrimaryClose(device);
344 if (device->driver) {
345 if (device->hwbuf) {
346 if (IDsDriverBuffer_Release(device->hwbuf) == 0)
347 device->hwbuf = 0;
349 } else
350 HeapFree(GetProcessHeap(),0,device->pwave);
351 HeapFree(GetProcessHeap(),0,device->pwfx);
352 device->pwfx=NULL;
354 LeaveCriticalSection(&(device->mixlock));
355 /* **** */
357 return DS_OK;
360 HRESULT DSOUND_PrimaryPlay(DirectSoundDevice *device)
362 HRESULT err = DS_OK;
363 TRACE("(%p)\n", device);
365 if (device->hwbuf) {
366 err = IDsDriverBuffer_Play(device->hwbuf, 0, 0, DSBPLAY_LOOPING);
367 if (err != DS_OK)
368 WARN("IDsDriverBuffer_Play failed\n");
369 } else {
370 err = mmErr(waveOutRestart(device->hwo));
371 if (err != DS_OK)
372 WARN("waveOutRestart failed\n");
375 return err;
378 HRESULT DSOUND_PrimaryStop(DirectSoundDevice *device)
380 HRESULT err = DS_OK;
381 TRACE("(%p)\n", device);
383 if (device->hwbuf) {
384 err = IDsDriverBuffer_Stop(device->hwbuf);
385 if (err == DSERR_BUFFERLOST) {
386 DSOUND_PrimaryClose(device);
387 err = DSOUND_ReopenDevice(device, FALSE);
388 if (FAILED(err))
389 ERR("DSOUND_ReopenDevice failed\n");
390 else
392 err = DSOUND_PrimaryOpen(device);
393 if (FAILED(err))
394 WARN("DSOUND_PrimaryOpen failed\n");
396 } else if (err != DS_OK) {
397 WARN("IDsDriverBuffer_Stop failed\n");
399 } else {
401 /* don't call the wave system with the lock set */
402 LeaveCriticalSection(&(device->mixlock));
403 /* **** */
405 err = mmErr(waveOutPause(device->hwo));
407 /* **** */
408 EnterCriticalSection(&(device->mixlock));
410 if (err != DS_OK)
411 WARN("waveOutPause failed\n");
414 return err;
417 HRESULT DSOUND_PrimaryGetPosition(DirectSoundDevice *device, LPDWORD playpos, LPDWORD writepos)
419 TRACE("(%p,%p,%p)\n", device, playpos, writepos);
421 if (device->hwbuf) {
422 HRESULT err=IDsDriverBuffer_GetPosition(device->hwbuf,playpos,writepos);
423 if (err != S_OK) {
424 WARN("IDsDriverBuffer_GetPosition failed\n");
425 return err;
427 } else {
428 TRACE("pwplay=%i, pwqueue=%i\n", device->pwplay, device->pwqueue);
430 /* check if playpos was requested */
431 if (playpos)
432 /* use the cached play position */
433 *playpos = device->pwplay * device->fraglen;
435 /* check if writepos was requested */
436 if (writepos)
437 /* the writepos is the first non-queued position */
438 *writepos = ((device->pwplay + device->pwqueue) % device->helfrags) * device->fraglen;
440 TRACE("playpos = %d, writepos = %d (%p, time=%d)\n", playpos?*playpos:-1, writepos?*writepos:-1, device, GetTickCount());
441 return DS_OK;
444 static DWORD DSOUND_GetFormatSize(LPCWAVEFORMATEX wfex)
446 if (wfex->wFormatTag == WAVE_FORMAT_PCM)
447 return sizeof(WAVEFORMATEX);
448 else
449 return sizeof(WAVEFORMATEX) + wfex->cbSize;
452 LPWAVEFORMATEX DSOUND_CopyFormat(LPCWAVEFORMATEX wfex)
454 DWORD size = DSOUND_GetFormatSize(wfex);
455 LPWAVEFORMATEX pwfx = HeapAlloc(GetProcessHeap(),0,size);
456 if (pwfx == NULL) {
457 WARN("out of memory\n");
458 } else if (wfex->wFormatTag != WAVE_FORMAT_PCM) {
459 CopyMemory(pwfx, wfex, size);
460 } else {
461 CopyMemory(pwfx, wfex, sizeof(PCMWAVEFORMAT));
462 pwfx->cbSize=0;
463 if (pwfx->nBlockAlign != pwfx->nChannels * pwfx->wBitsPerSample/8) {
464 WARN("Fixing bad nBlockAlign (%u)\n", pwfx->nBlockAlign);
465 pwfx->nBlockAlign = pwfx->nChannels * pwfx->wBitsPerSample/8;
467 if (pwfx->nAvgBytesPerSec != pwfx->nSamplesPerSec * pwfx->nBlockAlign) {
468 WARN("Fixing bad nAvgBytesPerSec (%u)\n", pwfx->nAvgBytesPerSec);
469 pwfx->nAvgBytesPerSec = pwfx->nSamplesPerSec * pwfx->nBlockAlign;
472 return pwfx;
475 HRESULT primarybuffer_SetFormat(DirectSoundDevice *device, LPCWAVEFORMATEX wfex)
477 HRESULT err = DSERR_BUFFERLOST;
478 int i;
479 DWORD nSamplesPerSec, bpp, chans;
480 LPWAVEFORMATEX oldpwfx;
481 BOOL forced = device->priolevel == DSSCL_WRITEPRIMARY;
483 TRACE("(%p,%p)\n", device, wfex);
485 if (device->priolevel == DSSCL_NORMAL) {
486 WARN("failed priority check!\n");
487 return DSERR_PRIOLEVELNEEDED;
490 /* Let's be pedantic! */
491 if (wfex == NULL) {
492 WARN("invalid parameter: wfex==NULL!\n");
493 return DSERR_INVALIDPARAM;
495 TRACE("(formattag=0x%04x,chans=%d,samplerate=%d,"
496 "bytespersec=%d,blockalign=%d,bitspersamp=%d,cbSize=%d)\n",
497 wfex->wFormatTag, wfex->nChannels, wfex->nSamplesPerSec,
498 wfex->nAvgBytesPerSec, wfex->nBlockAlign,
499 wfex->wBitsPerSample, wfex->cbSize);
501 /* **** */
502 RtlAcquireResourceExclusive(&(device->buffer_list_lock), TRUE);
503 EnterCriticalSection(&(device->mixlock));
505 nSamplesPerSec = device->pwfx->nSamplesPerSec;
506 bpp = device->pwfx->wBitsPerSample;
507 chans = device->pwfx->nChannels;
509 oldpwfx = device->pwfx;
510 device->pwfx = DSOUND_CopyFormat(wfex);
511 if (device->pwfx == NULL) {
512 device->pwfx = oldpwfx;
513 oldpwfx = NULL;
514 err = DSERR_OUTOFMEMORY;
515 goto done;
518 if (!(device->drvdesc.dwFlags & DSDDESC_DOMMSYSTEMSETFORMAT) && device->hwbuf) {
519 err = IDsDriverBuffer_SetFormat(device->hwbuf, device->pwfx);
521 /* On bad format, try to re-create, big chance it will work then, only do this if we <HAVE> to */
522 if (forced && (device->pwfx->nSamplesPerSec/100 != wfex->nSamplesPerSec/100 || err == DSERR_BADFORMAT))
524 DWORD cp_size = wfex->wFormatTag == WAVE_FORMAT_PCM ?
525 sizeof(PCMWAVEFORMAT) : sizeof(WAVEFORMATEX) + wfex->cbSize;
526 err = DSERR_BUFFERLOST;
527 CopyMemory(device->pwfx, wfex, cp_size);
530 if (err != DSERR_BUFFERLOST && FAILED(err)) {
531 DWORD size = DSOUND_GetFormatSize(oldpwfx);
532 WARN("IDsDriverBuffer_SetFormat failed\n");
533 if (!forced) {
534 CopyMemory(device->pwfx, oldpwfx, size);
535 err = DS_OK;
537 goto done;
540 if (err == S_FALSE)
542 /* ALSA specific: S_FALSE tells that recreation was successful,
543 * but size and location may be changed, and buffer has to be restarted
544 * I put it here, so if frequency doesn't match the error will be changed to DSERR_BUFFERLOST
545 * and the entire re-initialization will occur anyway
547 IDsDriverBuffer_Lock(device->hwbuf, (LPVOID *)&device->buffer, &device->buflen, NULL, NULL, 0, 0, DSBLOCK_ENTIREBUFFER);
548 IDsDriverBuffer_Unlock(device->hwbuf, device->buffer, 0, NULL, 0);
550 if (device->state == STATE_PLAYING) device->state = STATE_STARTING;
551 else if (device->state == STATE_STOPPING) device->state = STATE_STOPPED;
552 device->pwplay = device->pwqueue = device->playpos = device->mixpos = 0;
553 err = DS_OK;
555 DSOUND_RecalcPrimary(device);
558 if (err == DSERR_BUFFERLOST)
560 DSOUND_PrimaryClose(device);
562 err = DSOUND_ReopenDevice(device, FALSE);
563 if (FAILED(err))
565 WARN("DSOUND_ReopenDevice failed: %08x\n", err);
566 goto done;
568 err = DSOUND_PrimaryOpen(device);
569 if (err != DS_OK) {
570 WARN("DSOUND_PrimaryOpen failed\n");
571 goto done;
574 if (wfex->nSamplesPerSec/100 != device->pwfx->nSamplesPerSec/100 && forced && device->buffer)
576 DSOUND_PrimaryClose(device);
577 device->pwfx->nSamplesPerSec = wfex->nSamplesPerSec;
578 err = DSOUND_ReopenDevice(device, TRUE);
579 if (FAILED(err))
580 WARN("DSOUND_ReopenDevice(2) failed: %08x\n", err);
581 else if (FAILED((err = DSOUND_PrimaryOpen(device))))
582 WARN("DSOUND_PrimaryOpen(2) failed: %08x\n", err);
586 device->mix_buffer_len = DSOUND_bufpos_to_mixpos(device, device->buflen);
587 device->mix_buffer = HeapReAlloc(GetProcessHeap(), 0, device->mix_buffer, device->mix_buffer_len);
588 FillMemory(device->mix_buffer, device->mix_buffer_len, 0);
589 device->mixfunction = mixfunctions[device->pwfx->wBitsPerSample/8 - 1];
590 device->normfunction = normfunctions[device->pwfx->wBitsPerSample/8 - 1];
592 if (nSamplesPerSec != device->pwfx->nSamplesPerSec || bpp != device->pwfx->wBitsPerSample || chans != device->pwfx->nChannels) {
593 IDirectSoundBufferImpl** dsb = device->buffers;
594 for (i = 0; i < device->nrofbuffers; i++, dsb++) {
595 /* **** */
596 RtlAcquireResourceExclusive(&(*dsb)->lock, TRUE);
598 (*dsb)->freqAdjust = ((DWORD64)(*dsb)->freq << DSOUND_FREQSHIFT) / device->pwfx->nSamplesPerSec;
599 DSOUND_RecalcFormat((*dsb));
600 DSOUND_MixToTemporary((*dsb), 0, (*dsb)->buflen, FALSE);
601 (*dsb)->primary_mixpos = 0;
603 RtlReleaseResource(&(*dsb)->lock);
604 /* **** */
608 done:
609 LeaveCriticalSection(&(device->mixlock));
610 RtlReleaseResource(&(device->buffer_list_lock));
611 /* **** */
613 HeapFree(GetProcessHeap(), 0, oldpwfx);
614 return err;
617 /*******************************************************************************
618 * PrimaryBuffer
620 static inline IDirectSoundBufferImpl *impl_from_IDirectSoundBuffer(IDirectSoundBuffer *iface)
622 /* IDirectSoundBuffer and IDirectSoundBuffer8 use the same iface. */
623 return CONTAINING_RECORD(iface, IDirectSoundBufferImpl, IDirectSoundBuffer8_iface);
626 /* This sets this format for the <em>Primary Buffer Only</em> */
627 /* See file:///cdrom/sdk52/docs/worddoc/dsound.doc page 120 */
628 static HRESULT WINAPI PrimaryBufferImpl_SetFormat(
629 LPDIRECTSOUNDBUFFER iface,
630 LPCWAVEFORMATEX wfex)
632 IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
633 TRACE("(%p,%p)\n", iface, wfex);
634 return primarybuffer_SetFormat(This->device, wfex);
637 static HRESULT WINAPI PrimaryBufferImpl_SetVolume(
638 LPDIRECTSOUNDBUFFER iface,LONG vol
640 IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
641 DirectSoundDevice *device = This->device;
642 DWORD ampfactors;
643 HRESULT hres = DS_OK;
644 TRACE("(%p,%d)\n", iface, vol);
646 if (!(This->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
647 WARN("control unavailable\n");
648 return DSERR_CONTROLUNAVAIL;
651 if ((vol > DSBVOLUME_MAX) || (vol < DSBVOLUME_MIN)) {
652 WARN("invalid parameter: vol = %d\n", vol);
653 return DSERR_INVALIDPARAM;
656 /* **** */
657 EnterCriticalSection(&(device->mixlock));
659 waveOutGetVolume(device->hwo, &ampfactors);
660 device->volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
661 device->volpan.dwTotalRightAmpFactor=ampfactors >> 16;
662 DSOUND_AmpFactorToVolPan(&device->volpan);
663 if (vol != device->volpan.lVolume) {
664 device->volpan.lVolume=vol;
665 DSOUND_RecalcVolPan(&device->volpan);
666 if (device->hwbuf) {
667 hres = IDsDriverBuffer_SetVolumePan(device->hwbuf, &device->volpan);
668 if (hres != DS_OK)
669 WARN("IDsDriverBuffer_SetVolumePan failed\n");
670 } else {
671 ampfactors = (device->volpan.dwTotalLeftAmpFactor & 0xffff) | (device->volpan.dwTotalRightAmpFactor << 16);
672 waveOutSetVolume(device->hwo, ampfactors);
676 LeaveCriticalSection(&(device->mixlock));
677 /* **** */
679 return hres;
682 static HRESULT WINAPI PrimaryBufferImpl_GetVolume(
683 LPDIRECTSOUNDBUFFER iface,LPLONG vol
685 IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
686 DirectSoundDevice *device = This->device;
687 DWORD ampfactors;
688 TRACE("(%p,%p)\n", iface, vol);
690 if (!(This->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
691 WARN("control unavailable\n");
692 return DSERR_CONTROLUNAVAIL;
695 if (vol == NULL) {
696 WARN("invalid parameter: vol = NULL\n");
697 return DSERR_INVALIDPARAM;
700 if (!device->hwbuf)
702 waveOutGetVolume(device->hwo, &ampfactors);
703 device->volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
704 device->volpan.dwTotalRightAmpFactor=ampfactors >> 16;
705 DSOUND_AmpFactorToVolPan(&device->volpan);
707 *vol = device->volpan.lVolume;
708 return DS_OK;
711 static HRESULT WINAPI PrimaryBufferImpl_SetFrequency(
712 LPDIRECTSOUNDBUFFER iface,DWORD freq
714 IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
715 TRACE("(%p,%d)\n",This,freq);
717 /* You cannot set the frequency of the primary buffer */
718 WARN("control unavailable\n");
719 return DSERR_CONTROLUNAVAIL;
722 static HRESULT WINAPI PrimaryBufferImpl_Play(
723 LPDIRECTSOUNDBUFFER iface,DWORD reserved1,DWORD reserved2,DWORD flags
725 IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
726 DirectSoundDevice *device = This->device;
727 TRACE("(%p,%08x,%08x,%08x)\n", iface, reserved1, reserved2, flags);
729 if (!(flags & DSBPLAY_LOOPING)) {
730 WARN("invalid parameter: flags = %08x\n", flags);
731 return DSERR_INVALIDPARAM;
734 /* **** */
735 EnterCriticalSection(&(device->mixlock));
737 if (device->state == STATE_STOPPED)
738 device->state = STATE_STARTING;
739 else if (device->state == STATE_STOPPING)
740 device->state = STATE_PLAYING;
742 LeaveCriticalSection(&(device->mixlock));
743 /* **** */
745 return DS_OK;
748 static HRESULT WINAPI PrimaryBufferImpl_Stop(LPDIRECTSOUNDBUFFER iface)
750 IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
751 DirectSoundDevice *device = This->device;
752 TRACE("(%p)\n", iface);
754 /* **** */
755 EnterCriticalSection(&(device->mixlock));
757 if (device->state == STATE_PLAYING)
758 device->state = STATE_STOPPING;
759 else if (device->state == STATE_STARTING)
760 device->state = STATE_STOPPED;
762 LeaveCriticalSection(&(device->mixlock));
763 /* **** */
765 return DS_OK;
768 static ULONG WINAPI PrimaryBufferImpl_AddRef(LPDIRECTSOUNDBUFFER iface)
770 IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
771 ULONG ref = InterlockedIncrement(&(This->ref));
772 TRACE("(%p) ref was %d\n", This, ref - 1);
773 if(ref == 1)
774 InterlockedIncrement(&This->numIfaces);
775 return ref;
778 void primarybuffer_destroy(IDirectSoundBufferImpl *This)
780 This->device->primary = NULL;
781 HeapFree(GetProcessHeap(), 0, This);
782 TRACE("(%p) released\n", This);
785 static ULONG WINAPI PrimaryBufferImpl_Release(LPDIRECTSOUNDBUFFER iface)
787 IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
788 DWORD ref = InterlockedDecrement(&(This->ref));
789 TRACE("(%p) ref was %d\n", This, ref + 1);
791 if (!ref && !InterlockedDecrement(&This->numIfaces))
792 primarybuffer_destroy(This);
793 return ref;
796 static HRESULT WINAPI PrimaryBufferImpl_GetCurrentPosition(
797 LPDIRECTSOUNDBUFFER iface,LPDWORD playpos,LPDWORD writepos
799 HRESULT hres;
800 IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
801 DirectSoundDevice *device = This->device;
802 TRACE("(%p,%p,%p)\n", iface, playpos, writepos);
804 /* **** */
805 EnterCriticalSection(&(device->mixlock));
807 hres = DSOUND_PrimaryGetPosition(device, playpos, writepos);
808 if (hres != DS_OK) {
809 WARN("DSOUND_PrimaryGetPosition failed\n");
810 LeaveCriticalSection(&(device->mixlock));
811 return hres;
813 if (writepos) {
814 if (device->state != STATE_STOPPED)
815 /* apply the documented 10ms lead to writepos */
816 *writepos += device->writelead;
817 while (*writepos >= device->buflen) *writepos -= device->buflen;
820 LeaveCriticalSection(&(device->mixlock));
821 /* **** */
823 TRACE("playpos = %d, writepos = %d (%p, time=%d)\n", playpos?*playpos:0, writepos?*writepos:0, device, GetTickCount());
824 return DS_OK;
827 static HRESULT WINAPI PrimaryBufferImpl_GetStatus(
828 LPDIRECTSOUNDBUFFER iface,LPDWORD status
830 IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
831 DirectSoundDevice *device = This->device;
832 TRACE("(%p,%p)\n", iface, status);
834 if (status == NULL) {
835 WARN("invalid parameter: status == NULL\n");
836 return DSERR_INVALIDPARAM;
839 *status = 0;
840 if ((device->state == STATE_STARTING) ||
841 (device->state == STATE_PLAYING))
842 *status |= DSBSTATUS_PLAYING | DSBSTATUS_LOOPING;
844 TRACE("status=%x\n", *status);
845 return DS_OK;
849 static HRESULT WINAPI PrimaryBufferImpl_GetFormat(
850 LPDIRECTSOUNDBUFFER iface,
851 LPWAVEFORMATEX lpwf,
852 DWORD wfsize,
853 LPDWORD wfwritten)
855 DWORD size;
856 IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
857 DirectSoundDevice *device = This->device;
858 TRACE("(%p,%p,%d,%p)\n", iface, lpwf, wfsize, wfwritten);
860 size = sizeof(WAVEFORMATEX) + device->pwfx->cbSize;
862 if (lpwf) { /* NULL is valid */
863 if (wfsize >= size) {
864 CopyMemory(lpwf,device->pwfx,size);
865 if (wfwritten)
866 *wfwritten = size;
867 } else {
868 WARN("invalid parameter: wfsize too small\n");
869 if (wfwritten)
870 *wfwritten = 0;
871 return DSERR_INVALIDPARAM;
873 } else {
874 if (wfwritten)
875 *wfwritten = sizeof(WAVEFORMATEX) + device->pwfx->cbSize;
876 else {
877 WARN("invalid parameter: wfwritten == NULL\n");
878 return DSERR_INVALIDPARAM;
882 return DS_OK;
885 static HRESULT WINAPI PrimaryBufferImpl_Lock(
886 LPDIRECTSOUNDBUFFER iface,DWORD writecursor,DWORD writebytes,LPVOID *lplpaudioptr1,LPDWORD audiobytes1,LPVOID *lplpaudioptr2,LPDWORD audiobytes2,DWORD flags
888 HRESULT hres;
889 IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
890 DirectSoundDevice *device = This->device;
891 TRACE("(%p,%d,%d,%p,%p,%p,%p,0x%08x) at %d\n",
892 iface,
893 writecursor,
894 writebytes,
895 lplpaudioptr1,
896 audiobytes1,
897 lplpaudioptr2,
898 audiobytes2,
899 flags,
900 GetTickCount()
903 if (!audiobytes1)
904 return DSERR_INVALIDPARAM;
906 if (device->priolevel != DSSCL_WRITEPRIMARY) {
907 WARN("failed priority check!\n");
908 return DSERR_PRIOLEVELNEEDED;
911 /* when this flag is set, writecursor is meaningless and must be calculated */
912 if (flags & DSBLOCK_FROMWRITECURSOR) {
913 /* GetCurrentPosition does too much magic to duplicate here */
914 hres = IDirectSoundBuffer_GetCurrentPosition(iface, NULL, &writecursor);
915 if (hres != DS_OK) {
916 WARN("IDirectSoundBuffer_GetCurrentPosition failed\n");
917 return hres;
921 /* when this flag is set, writebytes is meaningless and must be set */
922 if (flags & DSBLOCK_ENTIREBUFFER)
923 writebytes = device->buflen;
925 if (writecursor >= device->buflen) {
926 WARN("Invalid parameter, writecursor: %u >= buflen: %u\n",
927 writecursor, device->buflen);
928 return DSERR_INVALIDPARAM;
931 if (writebytes > device->buflen) {
932 WARN("Invalid parameter, writebytes: %u > buflen: %u\n",
933 writebytes, device->buflen);
934 return DSERR_INVALIDPARAM;
937 if (!(device->drvdesc.dwFlags & DSDDESC_DONTNEEDPRIMARYLOCK) && device->hwbuf) {
938 hres = IDsDriverBuffer_Lock(device->hwbuf,
939 lplpaudioptr1, audiobytes1,
940 lplpaudioptr2, audiobytes2,
941 writecursor, writebytes,
943 if (hres != DS_OK) {
944 WARN("IDsDriverBuffer_Lock failed\n");
945 return hres;
947 } else {
948 if (writecursor+writebytes <= device->buflen) {
949 *(LPBYTE*)lplpaudioptr1 = device->buffer+writecursor;
950 *audiobytes1 = writebytes;
951 if (lplpaudioptr2)
952 *(LPBYTE*)lplpaudioptr2 = NULL;
953 if (audiobytes2)
954 *audiobytes2 = 0;
955 TRACE("->%d.0\n",writebytes);
956 } else {
957 *(LPBYTE*)lplpaudioptr1 = device->buffer+writecursor;
958 *audiobytes1 = device->buflen-writecursor;
959 if (lplpaudioptr2)
960 *(LPBYTE*)lplpaudioptr2 = device->buffer;
961 if (audiobytes2)
962 *audiobytes2 = writebytes-(device->buflen-writecursor);
963 TRACE("->%d.%d\n",*audiobytes1,audiobytes2?*audiobytes2:0);
966 return DS_OK;
969 static HRESULT WINAPI PrimaryBufferImpl_SetCurrentPosition(
970 LPDIRECTSOUNDBUFFER iface,DWORD newpos
972 IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
973 TRACE("(%p,%d)\n",This,newpos);
975 /* You cannot set the position of the primary buffer */
976 WARN("invalid call\n");
977 return DSERR_INVALIDCALL;
980 static HRESULT WINAPI PrimaryBufferImpl_SetPan(
981 LPDIRECTSOUNDBUFFER iface,LONG pan
983 IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
984 DirectSoundDevice *device = This->device;
985 DWORD ampfactors;
986 HRESULT hres = DS_OK;
987 TRACE("(%p,%d)\n", iface, pan);
989 if (!(This->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
990 WARN("control unavailable\n");
991 return DSERR_CONTROLUNAVAIL;
994 if ((pan > DSBPAN_RIGHT) || (pan < DSBPAN_LEFT)) {
995 WARN("invalid parameter: pan = %d\n", pan);
996 return DSERR_INVALIDPARAM;
999 /* **** */
1000 EnterCriticalSection(&(device->mixlock));
1002 if (!device->hwbuf)
1004 waveOutGetVolume(device->hwo, &ampfactors);
1005 device->volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
1006 device->volpan.dwTotalRightAmpFactor=ampfactors >> 16;
1007 DSOUND_AmpFactorToVolPan(&device->volpan);
1009 if (pan != device->volpan.lPan) {
1010 device->volpan.lPan=pan;
1011 DSOUND_RecalcVolPan(&device->volpan);
1012 if (device->hwbuf) {
1013 hres = IDsDriverBuffer_SetVolumePan(device->hwbuf, &device->volpan);
1014 if (hres != DS_OK)
1015 WARN("IDsDriverBuffer_SetVolumePan failed\n");
1016 } else {
1017 ampfactors = (device->volpan.dwTotalLeftAmpFactor & 0xffff) | (device->volpan.dwTotalRightAmpFactor << 16);
1018 waveOutSetVolume(device->hwo, ampfactors);
1022 LeaveCriticalSection(&(device->mixlock));
1023 /* **** */
1025 return hres;
1028 static HRESULT WINAPI PrimaryBufferImpl_GetPan(
1029 LPDIRECTSOUNDBUFFER iface,LPLONG pan
1031 IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
1032 DirectSoundDevice *device = This->device;
1033 DWORD ampfactors;
1034 TRACE("(%p,%p)\n", iface, pan);
1036 if (!(This->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
1037 WARN("control unavailable\n");
1038 return DSERR_CONTROLUNAVAIL;
1041 if (pan == NULL) {
1042 WARN("invalid parameter: pan == NULL\n");
1043 return DSERR_INVALIDPARAM;
1046 if (!device->hwbuf)
1048 waveOutGetVolume(device->hwo, &ampfactors);
1049 device->volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
1050 device->volpan.dwTotalRightAmpFactor=ampfactors >> 16;
1051 DSOUND_AmpFactorToVolPan(&device->volpan);
1053 *pan = device->volpan.lPan;
1054 return DS_OK;
1057 static HRESULT WINAPI PrimaryBufferImpl_Unlock(
1058 LPDIRECTSOUNDBUFFER iface,LPVOID p1,DWORD x1,LPVOID p2,DWORD x2
1060 IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
1061 DirectSoundDevice *device = This->device;
1062 TRACE("(%p,%p,%d,%p,%d)\n", iface, p1, x1, p2, x2);
1064 if (device->priolevel != DSSCL_WRITEPRIMARY) {
1065 WARN("failed priority check!\n");
1066 return DSERR_PRIOLEVELNEEDED;
1069 if (!(device->drvdesc.dwFlags & DSDDESC_DONTNEEDPRIMARYLOCK) && device->hwbuf) {
1070 HRESULT hres;
1072 if ((char *)p1 - (char *)device->buffer + x1 > device->buflen)
1073 hres = DSERR_INVALIDPARAM;
1074 else
1075 hres = IDsDriverBuffer_Unlock(device->hwbuf, p1, x1, p2, x2);
1077 if (hres != DS_OK) {
1078 WARN("IDsDriverBuffer_Unlock failed\n");
1079 return hres;
1083 return DS_OK;
1086 static HRESULT WINAPI PrimaryBufferImpl_Restore(
1087 LPDIRECTSOUNDBUFFER iface
1089 IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
1090 FIXME("(%p):stub\n",This);
1091 return DS_OK;
1094 static HRESULT WINAPI PrimaryBufferImpl_GetFrequency(
1095 LPDIRECTSOUNDBUFFER iface,LPDWORD freq
1097 IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
1098 DirectSoundDevice *device = This->device;
1099 TRACE("(%p,%p)\n", iface, freq);
1101 if (freq == NULL) {
1102 WARN("invalid parameter: freq == NULL\n");
1103 return DSERR_INVALIDPARAM;
1106 if (!(This->dsbd.dwFlags & DSBCAPS_CTRLFREQUENCY)) {
1107 WARN("control unavailable\n");
1108 return DSERR_CONTROLUNAVAIL;
1111 *freq = device->pwfx->nSamplesPerSec;
1112 TRACE("-> %d\n", *freq);
1114 return DS_OK;
1117 static HRESULT WINAPI PrimaryBufferImpl_Initialize(
1118 LPDIRECTSOUNDBUFFER iface,LPDIRECTSOUND dsound,LPCDSBUFFERDESC dbsd
1120 IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
1121 WARN("(%p) already initialized\n", This);
1122 return DSERR_ALREADYINITIALIZED;
1125 static HRESULT WINAPI PrimaryBufferImpl_GetCaps(
1126 LPDIRECTSOUNDBUFFER iface,LPDSBCAPS caps
1128 IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
1129 DirectSoundDevice *device = This->device;
1130 TRACE("(%p,%p)\n", iface, caps);
1132 if (caps == NULL) {
1133 WARN("invalid parameter: caps == NULL\n");
1134 return DSERR_INVALIDPARAM;
1137 if (caps->dwSize < sizeof(*caps)) {
1138 WARN("invalid parameter: caps->dwSize = %d\n", caps->dwSize);
1139 return DSERR_INVALIDPARAM;
1142 caps->dwFlags = This->dsbd.dwFlags;
1143 caps->dwBufferBytes = device->buflen;
1145 /* Windows reports these as zero */
1146 caps->dwUnlockTransferRate = 0;
1147 caps->dwPlayCpuOverhead = 0;
1149 return DS_OK;
1152 static HRESULT WINAPI PrimaryBufferImpl_QueryInterface(
1153 LPDIRECTSOUNDBUFFER iface,REFIID riid,LPVOID *ppobj
1155 IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
1156 DirectSoundDevice *device = This->device;
1157 TRACE("(%p,%s,%p)\n", iface, debugstr_guid(riid), ppobj);
1159 if (ppobj == NULL) {
1160 WARN("invalid parameter\n");
1161 return E_INVALIDARG;
1164 *ppobj = NULL; /* assume failure */
1166 if ( IsEqualGUID(riid, &IID_IUnknown) ||
1167 IsEqualGUID(riid, &IID_IDirectSoundBuffer) ) {
1168 IDirectSoundBuffer_AddRef((LPDIRECTSOUNDBUFFER)This);
1169 *ppobj = This;
1170 return S_OK;
1173 /* DirectSoundBuffer and DirectSoundBuffer8 are different and */
1174 /* a primary buffer can't have a DirectSoundBuffer8 interface */
1175 if ( IsEqualGUID( &IID_IDirectSoundBuffer8, riid ) ) {
1176 WARN("app requested DirectSoundBuffer8 on primary buffer\n");
1177 return E_NOINTERFACE;
1180 if ( IsEqualGUID( &IID_IDirectSoundNotify, riid ) ) {
1181 ERR("app requested IDirectSoundNotify on primary buffer\n");
1182 /* FIXME: should we support this? */
1183 return E_NOINTERFACE;
1186 if ( IsEqualGUID( &IID_IDirectSound3DBuffer, riid ) ) {
1187 ERR("app requested IDirectSound3DBuffer on primary buffer\n");
1188 return E_NOINTERFACE;
1191 if ( IsEqualGUID( &IID_IDirectSound3DListener, riid ) ) {
1192 if (!device->listener)
1193 IDirectSound3DListenerImpl_Create(device, &device->listener);
1194 if (device->listener) {
1195 *ppobj = device->listener;
1196 IDirectSound3DListener_AddRef((LPDIRECTSOUND3DLISTENER)*ppobj);
1197 return S_OK;
1200 WARN("IID_IDirectSound3DListener failed\n");
1201 return E_NOINTERFACE;
1204 if ( IsEqualGUID( &IID_IKsPropertySet, riid ) ) {
1205 FIXME("app requested IKsPropertySet on primary buffer\n");
1206 return E_NOINTERFACE;
1209 FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
1210 return E_NOINTERFACE;
1213 static const IDirectSoundBufferVtbl dspbvt =
1215 PrimaryBufferImpl_QueryInterface,
1216 PrimaryBufferImpl_AddRef,
1217 PrimaryBufferImpl_Release,
1218 PrimaryBufferImpl_GetCaps,
1219 PrimaryBufferImpl_GetCurrentPosition,
1220 PrimaryBufferImpl_GetFormat,
1221 PrimaryBufferImpl_GetVolume,
1222 PrimaryBufferImpl_GetPan,
1223 PrimaryBufferImpl_GetFrequency,
1224 PrimaryBufferImpl_GetStatus,
1225 PrimaryBufferImpl_Initialize,
1226 PrimaryBufferImpl_Lock,
1227 PrimaryBufferImpl_Play,
1228 PrimaryBufferImpl_SetCurrentPosition,
1229 PrimaryBufferImpl_SetFormat,
1230 PrimaryBufferImpl_SetVolume,
1231 PrimaryBufferImpl_SetPan,
1232 PrimaryBufferImpl_SetFrequency,
1233 PrimaryBufferImpl_Stop,
1234 PrimaryBufferImpl_Unlock,
1235 PrimaryBufferImpl_Restore
1238 HRESULT primarybuffer_create(DirectSoundDevice *device, IDirectSoundBufferImpl **ppdsb,
1239 const DSBUFFERDESC *dsbd)
1241 IDirectSoundBufferImpl *dsb;
1242 TRACE("%p,%p,%p)\n",device,ppdsb,dsbd);
1244 if (dsbd->lpwfxFormat) {
1245 WARN("invalid parameter: dsbd->lpwfxFormat != NULL\n");
1246 *ppdsb = NULL;
1247 return DSERR_INVALIDPARAM;
1250 dsb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*dsb));
1252 if (dsb == NULL) {
1253 WARN("out of memory\n");
1254 *ppdsb = NULL;
1255 return DSERR_OUTOFMEMORY;
1258 dsb->ref = 1;
1259 dsb->numIfaces = 1;
1260 dsb->device = device;
1261 dsb->IDirectSoundBuffer8_iface.lpVtbl = (IDirectSoundBuffer8Vtbl *)&dspbvt;
1262 dsb->dsbd = *dsbd;
1264 TRACE("Created primary buffer at %p\n", dsb);
1265 TRACE("(formattag=0x%04x,chans=%d,samplerate=%d,"
1266 "bytespersec=%d,blockalign=%d,bitspersamp=%d,cbSize=%d)\n",
1267 device->pwfx->wFormatTag, device->pwfx->nChannels,
1268 device->pwfx->nSamplesPerSec, device->pwfx->nAvgBytesPerSec,
1269 device->pwfx->nBlockAlign, device->pwfx->wBitsPerSample,
1270 device->pwfx->cbSize);
1272 *ppdsb = dsb;
1273 return S_OK;