Avoid excessive heap memory reallocation when generating EMF
[wine] / dlls / dsound / buffer.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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
20  */
21
22 #include "config.h"
23 #include <assert.h>
24 #include <stdarg.h>
25 #include <stdio.h>
26 #include <sys/types.h>
27 #include <sys/fcntl.h>
28 #ifdef HAVE_UNISTD_H
29 # include <unistd.h>
30 #endif
31 #include <stdlib.h>
32 #include <string.h>
33 #include <math.h>
34
35 #define NONAMELESSSTRUCT
36 #define NONAMELESSUNION
37 #include "windef.h"
38 #include "winbase.h"
39 #include "wingdi.h"
40 #include "winuser.h"
41 #include "winerror.h"
42 #include "mmsystem.h"
43 #include "winreg.h"
44 #include "winternl.h"
45 #include "mmddk.h"
46 #include "wine/windef16.h"
47 #include "wine/debug.h"
48 #include "dsound.h"
49 #include "dsdriver.h"
50 #include "dsound_private.h"
51
52 WINE_DEFAULT_DEBUG_CHANNEL(dsound);
53
54 /*******************************************************************************
55  *              IDirectSoundNotify
56  */
57 static HRESULT WINAPI IDirectSoundNotifyImpl_QueryInterface(
58         LPDIRECTSOUNDNOTIFY iface,REFIID riid,LPVOID *ppobj
59 ) {
60         ICOM_THIS(IDirectSoundNotifyImpl,iface);
61         TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
62
63         if (This->dsb == NULL) {
64                 WARN("invalid parameter\n");
65                 return E_INVALIDARG;
66         }
67
68         return IDirectSoundBuffer_QueryInterface((LPDIRECTSOUNDBUFFER)This->dsb, riid, ppobj);
69 }
70
71 static ULONG WINAPI IDirectSoundNotifyImpl_AddRef(LPDIRECTSOUNDNOTIFY iface) {
72         ICOM_THIS(IDirectSoundNotifyImpl,iface);
73         DWORD ref;
74
75         TRACE("(%p) ref was %ld, thread is %04lx\n",This, This->ref, GetCurrentThreadId());
76
77         ref = InterlockedIncrement(&(This->ref));
78         return ref;
79 }
80
81 static ULONG WINAPI IDirectSoundNotifyImpl_Release(LPDIRECTSOUNDNOTIFY iface) {
82         ICOM_THIS(IDirectSoundNotifyImpl,iface);
83         DWORD ref;
84
85         TRACE("(%p) ref was %ld, thread is %04lx\n",This, This->ref, GetCurrentThreadId());
86
87         ref = InterlockedDecrement(&(This->ref));
88         if (ref == 0) {
89                 IDirectSoundBuffer_Release((LPDIRECTSOUNDBUFFER)This->dsb);
90                 This->dsb->notify = NULL;
91                 HeapFree(GetProcessHeap(),0,This);
92                 TRACE("(%p) released\n",This);
93         }
94         return ref;
95 }
96
97 static HRESULT WINAPI IDirectSoundNotifyImpl_SetNotificationPositions(
98         LPDIRECTSOUNDNOTIFY iface,DWORD howmuch,LPCDSBPOSITIONNOTIFY notify
99 ) {
100         ICOM_THIS(IDirectSoundNotifyImpl,iface);
101         TRACE("(%p,0x%08lx,%p)\n",This,howmuch,notify);
102
103         if (notify == NULL) {
104             WARN("invalid parameter: notify == NULL\n");
105             return DSERR_INVALIDPARAM;
106         }
107
108         if (TRACE_ON(dsound)) {
109             int i;
110             for (i=0;i<howmuch;i++)
111                 TRACE("notify at %ld to 0x%08lx\n",
112                     notify[i].dwOffset,(DWORD)notify[i].hEventNotify);
113         }
114
115         if (This->dsb->hwnotify) {
116             HRESULT hres;
117             hres = IDsDriverNotify_SetNotificationPositions(This->dsb->hwnotify, howmuch, notify);
118             if (hres != DS_OK)
119                     WARN("IDsDriverNotify_SetNotificationPositions failed\n");
120             return hres;
121         } else {
122             /* Make an internal copy of the caller-supplied array.
123              * Replace the existing copy if one is already present. */
124             This->dsb->notifies = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, 
125                 This->dsb->notifies, howmuch * sizeof(DSBPOSITIONNOTIFY));
126             if (This->dsb->notifies == NULL) {
127                     WARN("out of memory\n");
128                     return DSERR_OUTOFMEMORY;
129             }
130             memcpy(This->dsb->notifies, notify, howmuch * sizeof(DSBPOSITIONNOTIFY));
131             This->dsb->nrofnotifies = howmuch;
132         }
133
134         return S_OK;
135 }
136
137 ICOM_VTABLE(IDirectSoundNotify) dsnvt =
138 {
139     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
140     IDirectSoundNotifyImpl_QueryInterface,
141     IDirectSoundNotifyImpl_AddRef,
142     IDirectSoundNotifyImpl_Release,
143     IDirectSoundNotifyImpl_SetNotificationPositions,
144 };
145
146 HRESULT WINAPI IDirectSoundNotifyImpl_Create(
147     IDirectSoundBufferImpl * dsb,
148     IDirectSoundNotifyImpl **pdsn)
149 {
150     IDirectSoundNotifyImpl * dsn;
151     TRACE("(%p,%p)\n",dsb,pdsn);
152                                                                                                                              
153     dsn = (IDirectSoundNotifyImpl*)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(dsn));
154                                                                                                                                 
155     if (dsn == NULL) {
156         WARN("out of memory\n");
157         return DSERR_OUTOFMEMORY;
158     }
159
160     dsn->ref = 0;
161     dsn->lpVtbl = &dsnvt;
162     dsn->dsb = dsb;
163     dsb->notify = dsn;
164     IDirectSoundBuffer_AddRef((LPDIRECTSOUNDBUFFER)dsb);
165                                                                                                                                 
166     *pdsn = dsn;
167     return DS_OK;
168 }
169                                                                                                                                 
170 /*******************************************************************************
171  *              IDirectSoundBuffer
172  */
173
174 static HRESULT WINAPI IDirectSoundBufferImpl_SetFormat(
175         LPDIRECTSOUNDBUFFER8 iface,LPWAVEFORMATEX wfex
176 ) {
177         ICOM_THIS(IDirectSoundBufferImpl,iface);
178
179         TRACE("(%p,%p)\n",This,wfex);
180         /* This method is not available on secondary buffers */
181         WARN("invalid call\n");
182         return DSERR_INVALIDCALL;
183 }
184
185 static HRESULT WINAPI IDirectSoundBufferImpl_SetVolume(
186         LPDIRECTSOUNDBUFFER8 iface,LONG vol
187 ) {
188         ICOM_THIS(IDirectSoundBufferImpl,iface);
189         LONG oldVol;
190
191         TRACE("(%p,%ld)\n",This,vol);
192
193         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
194                 WARN("control unavailable: This->dsbd.dwFlags = 0x%08lx\n", This->dsbd.dwFlags);
195                 return DSERR_CONTROLUNAVAIL;
196         }
197
198         if ((vol > DSBVOLUME_MAX) || (vol < DSBVOLUME_MIN)) {
199                 WARN("invalid parameter: vol = %ld\n", vol);
200                 return DSERR_INVALIDPARAM;
201         }
202
203         /* **** */
204         EnterCriticalSection(&(This->lock));
205
206         if (This->dsbd.dwFlags & DSBCAPS_CTRL3D) {
207                 oldVol = This->ds3db_lVolume;
208                 This->ds3db_lVolume = vol;
209         } else {
210                 oldVol = This->volpan.lVolume;
211                 This->volpan.lVolume = vol;
212                 if (vol != oldVol) 
213                         DSOUND_RecalcVolPan(&(This->volpan));
214         }
215
216         if (vol != oldVol) {
217                 if (This->hwbuf) {
218                         HRESULT hres;
219                         hres = IDsDriverBuffer_SetVolumePan(This->hwbuf, &(This->volpan));
220                         if (hres != DS_OK)
221                                 WARN("IDsDriverBuffer_SetVolumePan failed\n");
222                 } else 
223                         DSOUND_ForceRemix(This);
224         }
225
226         LeaveCriticalSection(&(This->lock));
227         /* **** */
228
229         return DS_OK;
230 }
231
232 static HRESULT WINAPI IDirectSoundBufferImpl_GetVolume(
233         LPDIRECTSOUNDBUFFER8 iface,LPLONG vol
234 ) {
235         ICOM_THIS(IDirectSoundBufferImpl,iface);
236         TRACE("(%p,%p)\n",This,vol);
237
238         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
239                 WARN("control unavailable\n");
240                 return DSERR_CONTROLUNAVAIL;
241         }
242
243         if (vol == NULL) {
244                 WARN("invalid parameter: vol == NULL\n");
245                 return DSERR_INVALIDPARAM;
246         }
247
248         *vol = This->volpan.lVolume;
249
250         return DS_OK;
251 }
252
253 static HRESULT WINAPI IDirectSoundBufferImpl_SetFrequency(
254         LPDIRECTSOUNDBUFFER8 iface,DWORD freq
255 ) {
256         ICOM_THIS(IDirectSoundBufferImpl,iface);
257         DWORD oldFreq;
258
259         TRACE("(%p,%ld)\n",This,freq);
260
261         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLFREQUENCY)) {
262                 WARN("control unavailable\n");
263                 return DSERR_CONTROLUNAVAIL;
264         }
265
266         if (freq == DSBFREQUENCY_ORIGINAL)
267                 freq = This->wfx.nSamplesPerSec;
268
269         if ((freq < DSBFREQUENCY_MIN) || (freq > DSBFREQUENCY_MAX)) {
270                 WARN("invalid parameter: freq = %ld\n", freq);
271                 return DSERR_INVALIDPARAM;
272         }
273
274         /* **** */
275         EnterCriticalSection(&(This->lock));
276
277         oldFreq = This->freq;
278         This->freq = freq;
279         if (freq != oldFreq) {
280                 This->freqAdjust = (freq << DSOUND_FREQSHIFT) / This->dsound->wfx.nSamplesPerSec;
281                 This->nAvgBytesPerSec = freq * This->wfx.nBlockAlign;
282                 DSOUND_RecalcFormat(This);
283                 if (!This->hwbuf) 
284                         DSOUND_ForceRemix(This);
285         }
286
287         LeaveCriticalSection(&(This->lock));
288         /* **** */
289
290         return DS_OK;
291 }
292
293 static HRESULT WINAPI IDirectSoundBufferImpl_Play(
294         LPDIRECTSOUNDBUFFER8 iface,DWORD reserved1,DWORD reserved2,DWORD flags
295 ) {
296         HRESULT hres = DS_OK;
297         ICOM_THIS(IDirectSoundBufferImpl,iface);
298         TRACE("(%p,%08lx,%08lx,%08lx)\n",This,reserved1,reserved2,flags);
299
300         /* **** */
301         EnterCriticalSection(&(This->lock));
302
303         This->playflags = flags;
304         if (This->state == STATE_STOPPED) {
305                 This->leadin = TRUE;
306                 This->startpos = This->buf_mixpos;
307                 This->state = STATE_STARTING;
308         } else if (This->state == STATE_STOPPING)
309                 This->state = STATE_PLAYING;
310         if (This->hwbuf) {
311                 hres = IDsDriverBuffer_Play(This->hwbuf, 0, 0, This->playflags);
312                 if (hres != DS_OK)
313                         WARN("IDsDriverBuffer_Play failed\n");
314                 else
315                         This->state = STATE_PLAYING;
316         }
317
318         LeaveCriticalSection(&(This->lock));
319         /* **** */
320
321         return hres;
322 }
323
324 static HRESULT WINAPI IDirectSoundBufferImpl_Stop(LPDIRECTSOUNDBUFFER8 iface)
325 {
326         HRESULT hres = DS_OK;
327         ICOM_THIS(IDirectSoundBufferImpl,iface);
328         TRACE("(%p)\n",This);
329
330         /* **** */
331         EnterCriticalSection(&(This->lock));
332
333         if (This->state == STATE_PLAYING)
334                 This->state = STATE_STOPPING;
335         else if (This->state == STATE_STARTING)
336                 This->state = STATE_STOPPED;
337         if (This->hwbuf) {
338                 hres = IDsDriverBuffer_Stop(This->hwbuf);
339                 if (hres != DS_OK)
340                         WARN("IDsDriverBuffer_Stop failed\n");
341                 else
342                         This->state = STATE_STOPPED;
343         }
344         DSOUND_CheckEvent(This, 0);
345
346         LeaveCriticalSection(&(This->lock));
347         /* **** */
348
349         return hres;
350 }
351
352 static DWORD WINAPI IDirectSoundBufferImpl_AddRef(LPDIRECTSOUNDBUFFER8 iface) {
353         ICOM_THIS(IDirectSoundBufferImpl,iface);
354         DWORD ref;
355
356         TRACE("(%p) ref was %ld, thread is %04lx\n",This, This->ref, GetCurrentThreadId());
357
358         ref = InterlockedIncrement(&(This->ref));
359         if (!ref) {
360                 FIXME("thread-safety alert! AddRef-ing with a zero refcount!\n");
361         }
362         return ref;
363 }
364
365 static DWORD WINAPI IDirectSoundBufferImpl_Release(LPDIRECTSOUNDBUFFER8 iface) {
366         ICOM_THIS(IDirectSoundBufferImpl,iface);
367         int     i;
368         DWORD ref;
369
370         TRACE("(%p) ref was %ld, thread is %04lx\n",This, This->ref, GetCurrentThreadId());
371
372         ref = InterlockedDecrement(&(This->ref));
373         if (ref) return ref;
374
375         RtlAcquireResourceExclusive(&(This->dsound->lock), TRUE);
376         for (i=0;i<This->dsound->nrofbuffers;i++)
377                 if (This->dsound->buffers[i] == This)
378                         break;
379         if (i < This->dsound->nrofbuffers) {
380                 /* Put the last buffer of the list in the (now empty) position */
381                 This->dsound->buffers[i] = This->dsound->buffers[This->dsound->nrofbuffers - 1];
382                 This->dsound->nrofbuffers--;
383                 This->dsound->buffers = HeapReAlloc(GetProcessHeap(),0,This->dsound->buffers,sizeof(LPDIRECTSOUNDBUFFER8)*This->dsound->nrofbuffers);
384                 TRACE("buffer count is now %d\n", This->dsound->nrofbuffers);
385                 IDirectSound_Release((LPDIRECTSOUND)This->dsound);
386         }
387         RtlReleaseResource(&(This->dsound->lock));
388
389         DeleteCriticalSection(&(This->lock));
390
391         if (This->hwbuf) {
392                 IDsDriverBuffer_Release(This->hwbuf);
393                 if (This->dsound->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) {
394                         This->buffer->ref--;
395                         if (This->buffer->ref==0) {
396                                 HeapFree(GetProcessHeap(),0,This->buffer->memory);
397                                 HeapFree(GetProcessHeap(),0,This->buffer);
398                         }
399                 }
400         } else {
401                 This->buffer->ref--;
402                 if (This->buffer->ref==0) {
403                         HeapFree(GetProcessHeap(),0,This->buffer->memory);
404                         HeapFree(GetProcessHeap(),0,This->buffer);
405                 }
406         }
407
408         if (This->notifies != NULL)
409                 HeapFree(GetProcessHeap(), 0, This->notifies);
410
411         HeapFree(GetProcessHeap(),0,This);
412
413         TRACE("(%p) released\n",This);
414         return 0;
415 }
416
417 DWORD DSOUND_CalcPlayPosition(IDirectSoundBufferImpl *This,
418                               DWORD state, DWORD pplay, DWORD pwrite, DWORD pmix, DWORD bmix)
419 {
420         DWORD bplay;
421
422         TRACE("primary playpos=%ld, mixpos=%ld\n", pplay, pmix);
423         TRACE("this mixpos=%ld, time=%ld\n", bmix, GetTickCount());
424
425         /* the actual primary play position (pplay) is always behind last mixed (pmix),
426          * unless the computer is too slow or something */
427         /* we need to know how far away we are from there */
428 #if 0 /* we'll never fill the primary entirely */
429         if (pmix == pplay) {
430                 if ((state == STATE_PLAYING) || (state == STATE_STOPPING)) {
431                         /* wow, the software mixer is really doing well,
432                          * seems the entire primary buffer is filled! */
433                         pmix += This->dsound->buflen;
434                 }
435                 /* else: the primary buffer is not playing, so probably empty */
436         }
437 #endif
438         if (pmix < pplay) pmix += This->dsound->buflen; /* wraparound */
439         pmix -= pplay;
440         /* detect buffer underrun */
441         if (pwrite < pplay) pwrite += This->dsound->buflen; /* wraparound */
442         pwrite -= pplay;
443         if (pmix > (ds_snd_queue_max * This->dsound->fraglen + pwrite + This->dsound->writelead)) {
444                 WARN("detected an underrun: primary queue was %ld\n",pmix);
445                 pmix = 0;
446         }
447         /* divide the offset by its sample size */
448         pmix /= This->dsound->wfx.nBlockAlign;
449         TRACE("primary back-samples=%ld\n",pmix);
450         /* adjust for our frequency */
451         pmix = (pmix * This->freqAdjust) >> DSOUND_FREQSHIFT;
452         /* multiply by our own sample size */
453         pmix *= This->wfx.nBlockAlign;
454         TRACE("this back-offset=%ld\n", pmix);
455         /* subtract from our last mixed position */
456         bplay = bmix;
457         while (bplay < pmix) bplay += This->buflen; /* wraparound */
458         bplay -= pmix;
459         if (This->leadin && ((bplay < This->startpos) || (bplay > bmix))) {
460                 /* seems we haven't started playing yet */
461                 TRACE("this still in lead-in phase\n");
462                 bplay = This->startpos;
463         }
464         /* return the result */
465         return bplay;
466 }
467
468 static HRESULT WINAPI IDirectSoundBufferImpl_GetCurrentPosition(
469         LPDIRECTSOUNDBUFFER8 iface,LPDWORD playpos,LPDWORD writepos
470 ) {
471         HRESULT hres;
472         ICOM_THIS(IDirectSoundBufferImpl,iface);
473         TRACE("(%p,%p,%p)\n",This,playpos,writepos);
474         if (This->hwbuf) {
475                 hres=IDsDriverBuffer_GetPosition(This->hwbuf,playpos,writepos);
476                 if (hres != DS_OK) {
477                     WARN("IDsDriverBuffer_GetPosition failed\n");
478                     return hres;
479                 }
480         }
481         else {
482                 if (playpos && (This->state != STATE_PLAYING)) {
483                         /* we haven't been merged into the primary buffer (yet) */
484                         *playpos = This->buf_mixpos;
485                 }
486                 else if (playpos) {
487                         DWORD pplay, pwrite, lplay, splay, pstate;
488                         /* let's get this exact; first, recursively call GetPosition on the primary */
489                         EnterCriticalSection(&(This->dsound->mixlock));
490                         if (DSOUND_PrimaryGetPosition(This->dsound, &pplay, &pwrite) != DS_OK)
491                                 WARN("DSOUND_PrimaryGetPosition failed\n");
492                         /* detect HEL mode underrun */
493                         pstate = This->dsound->state;
494                         if (!(This->dsound->hwbuf || This->dsound->pwqueue)) {
495                                 TRACE("detected an underrun\n");
496                                 /* pplay = ? */
497                                 if (pstate == STATE_PLAYING)
498                                         pstate = STATE_STARTING;
499                                 else if (pstate == STATE_STOPPING)
500                                         pstate = STATE_STOPPED;
501                         }
502                         /* get data for ourselves while we still have the lock */
503                         pstate &= This->state;
504                         lplay = This->primary_mixpos;
505                         splay = This->buf_mixpos;
506                         if ((This->dsbd.dwFlags & DSBCAPS_GETCURRENTPOSITION2) || This->dsound->hwbuf) {
507                                 /* calculate play position using this */
508                                 *playpos = DSOUND_CalcPlayPosition(This, pstate, pplay, pwrite, lplay, splay);
509                         } else {
510                                 /* (unless the app isn't using GETCURRENTPOSITION2) */
511                                 /* don't know exactly how this should be handled...
512                                  * the docs says that play cursor is reported as directly
513                                  * behind write cursor, hmm... */
514                                 /* let's just do what might work for Half-Life */
515                                 DWORD wp;
516                                 wp = (This->dsound->pwplay + ds_hel_margin) * This->dsound->fraglen;
517                                 while (wp >= This->dsound->buflen)
518                                         wp -= This->dsound->buflen;
519                                 *playpos = DSOUND_CalcPlayPosition(This, pstate, wp, pwrite, lplay, splay);
520                         }
521                         LeaveCriticalSection(&(This->dsound->mixlock));
522                 }
523                 if (writepos) *writepos = This->buf_mixpos;
524         }
525         if (writepos) {
526                 if (This->state != STATE_STOPPED)
527                         /* apply the documented 10ms lead to writepos */
528                         *writepos += This->writelead;
529                 while (*writepos >= This->buflen) *writepos -= This->buflen;
530         }
531         if (playpos) This->last_playpos = *playpos;
532         TRACE("playpos = %ld, writepos = %ld (%p, time=%ld)\n", playpos?*playpos:0, writepos?*writepos:0, This, GetTickCount());
533         return DS_OK;
534 }
535
536 static HRESULT WINAPI IDirectSoundBufferImpl_GetStatus(
537         LPDIRECTSOUNDBUFFER8 iface,LPDWORD status
538 ) {
539         ICOM_THIS(IDirectSoundBufferImpl,iface);
540         TRACE("(%p,%p), thread is %04lx\n",This,status,GetCurrentThreadId());
541
542         if (status == NULL) {
543                 WARN("invalid parameter: status = NULL\n");
544                 return DSERR_INVALIDPARAM;
545         }
546
547         *status = 0;
548         if ((This->state == STATE_STARTING) || (This->state == STATE_PLAYING)) {
549                 *status |= DSBSTATUS_PLAYING;
550                 if (This->playflags & DSBPLAY_LOOPING)
551                         *status |= DSBSTATUS_LOOPING;
552         }
553
554         TRACE("status=%lx\n", *status);
555         return DS_OK;
556 }
557
558
559 static HRESULT WINAPI IDirectSoundBufferImpl_GetFormat(
560         LPDIRECTSOUNDBUFFER8 iface,LPWAVEFORMATEX lpwf,DWORD wfsize,LPDWORD wfwritten
561 ) {
562         ICOM_THIS(IDirectSoundBufferImpl,iface);
563         TRACE("(%p,%p,%ld,%p)\n",This,lpwf,wfsize,wfwritten);
564
565         if (wfsize>sizeof(This->wfx))
566                 wfsize = sizeof(This->wfx);
567         if (lpwf) {     /* NULL is valid */
568                 memcpy(lpwf,&(This->wfx),wfsize);
569                 if (wfwritten)
570                         *wfwritten = wfsize;
571         } else {
572                 if (wfwritten)
573                         *wfwritten = sizeof(This->wfx);
574                 else {
575                         WARN("invalid parameter: wfwritten == NULL\n");
576                         return DSERR_INVALIDPARAM;
577                 }
578         }
579
580         return DS_OK;
581 }
582
583 static HRESULT WINAPI IDirectSoundBufferImpl_Lock(
584         LPDIRECTSOUNDBUFFER8 iface,DWORD writecursor,DWORD writebytes,LPVOID lplpaudioptr1,LPDWORD audiobytes1,LPVOID lplpaudioptr2,LPDWORD audiobytes2,DWORD flags
585 ) {
586         HRESULT hres = DS_OK;
587         ICOM_THIS(IDirectSoundBufferImpl,iface);
588
589         TRACE("(%p,%ld,%ld,%p,%p,%p,%p,0x%08lx) at %ld\n",
590                 This,
591                 writecursor,
592                 writebytes,
593                 lplpaudioptr1,
594                 audiobytes1,
595                 lplpaudioptr2,
596                 audiobytes2,
597                 flags,
598                 GetTickCount()
599         );
600
601         if (flags & DSBLOCK_FROMWRITECURSOR) {
602                 DWORD writepos;
603                 /* GetCurrentPosition does too much magic to duplicate here */
604                 hres = IDirectSoundBufferImpl_GetCurrentPosition(iface, NULL, &writepos);
605                 if (hres != DS_OK) {
606                         WARN("IDirectSoundBufferImpl_GetCurrentPosition failed\n");
607                         return hres;
608                 }
609                 writecursor += writepos;
610         }
611         while (writecursor >= This->buflen)
612                 writecursor -= This->buflen;
613         if (flags & DSBLOCK_ENTIREBUFFER)
614                 writebytes = This->buflen;
615         if (writebytes > This->buflen)
616                 writebytes = This->buflen;
617
618         assert(audiobytes1!=audiobytes2);
619         assert(lplpaudioptr1!=lplpaudioptr2);
620
621         EnterCriticalSection(&(This->lock));
622
623         if ((writebytes == This->buflen) &&
624             ((This->state == STATE_STARTING) ||
625              (This->state == STATE_PLAYING)))
626                 /* some games, like Half-Life, try to be clever (not) and
627                  * keep one secondary buffer, and mix sounds into it itself,
628                  * locking the entire buffer every time... so we can just forget
629                  * about tracking the last-written-to-position... */
630                 This->probably_valid_to = (DWORD)-1;
631         else
632                 This->probably_valid_to = writecursor;
633
634         if (!(This->dsound->drvdesc.dwFlags & DSDDESC_DONTNEEDSECONDARYLOCK) && This->hwbuf) {
635                 hres = IDsDriverBuffer_Lock(This->hwbuf,
636                                      lplpaudioptr1, audiobytes1,
637                                      lplpaudioptr2, audiobytes2,
638                                      writecursor, writebytes,
639                                      0);
640                 if (hres != DS_OK) {
641                         WARN("IDsDriverBuffer_Lock failed\n");
642                         LeaveCriticalSection(&(This->lock));
643                         return hres;
644                 }
645         } else {
646                 BOOL remix = FALSE;
647                 if (writecursor+writebytes <= This->buflen) {
648                         *(LPBYTE*)lplpaudioptr1 = This->buffer->memory+writecursor;
649                         *audiobytes1 = writebytes;
650                         if (lplpaudioptr2)
651                                 *(LPBYTE*)lplpaudioptr2 = NULL;
652                         if (audiobytes2)
653                                 *audiobytes2 = 0;
654                         TRACE("->%ld.0\n",writebytes);
655                 } else {
656                         *(LPBYTE*)lplpaudioptr1 = This->buffer->memory+writecursor;
657                         *audiobytes1 = This->buflen-writecursor;
658                         if (lplpaudioptr2)
659                                 *(LPBYTE*)lplpaudioptr2 = This->buffer->memory;
660                         if (audiobytes2)
661                                 *audiobytes2 = writebytes-(This->buflen-writecursor);
662                         TRACE("->%ld.%ld\n",*audiobytes1,audiobytes2?*audiobytes2:0);
663                 }
664                 if (This->state == STATE_PLAYING) {
665                         /* if the segment between playpos and buf_mixpos is touched,
666                          * we need to cancel some mixing */
667                         /* we'll assume that the app always calls GetCurrentPosition before
668                          * locking a playing buffer, so that last_playpos is up-to-date */
669                         if (This->buf_mixpos >= This->last_playpos) {
670                                 if (This->buf_mixpos > writecursor &&
671                                     This->last_playpos < writecursor+writebytes)
672                                         remix = TRUE;
673                         }
674                         else {
675                                 if (This->buf_mixpos > writecursor ||
676                                     This->last_playpos < writecursor+writebytes)
677                                         remix = TRUE;
678                         }
679                         if (remix) {
680                                 TRACE("locking prebuffered region, ouch\n");
681                                 DSOUND_MixCancelAt(This, writecursor);
682                         }
683                 }
684         }
685
686         LeaveCriticalSection(&(This->lock));
687         return DS_OK;
688 }
689
690 static HRESULT WINAPI IDirectSoundBufferImpl_SetCurrentPosition(
691         LPDIRECTSOUNDBUFFER8 iface,DWORD newpos
692 ) {
693         HRESULT hres = DS_OK;
694         ICOM_THIS(IDirectSoundBufferImpl,iface);
695         TRACE("(%p,%ld)\n",This,newpos);
696
697         /* **** */
698         EnterCriticalSection(&(This->lock));
699
700         while (newpos >= This->buflen)
701                 newpos -= This->buflen;
702         This->buf_mixpos = newpos;
703         if (This->hwbuf) {
704                 hres = IDsDriverBuffer_SetPosition(This->hwbuf, This->buf_mixpos);
705                 if (hres != DS_OK)
706                         WARN("IDsDriverBuffer_SetPosition failed\n");
707         }
708
709         LeaveCriticalSection(&(This->lock));
710         /* **** */
711
712         return hres;
713 }
714
715 static HRESULT WINAPI IDirectSoundBufferImpl_SetPan(
716         LPDIRECTSOUNDBUFFER8 iface,LONG pan
717 ) {
718         HRESULT hres = DS_OK;
719         ICOM_THIS(IDirectSoundBufferImpl,iface);
720         LONG oldPan;
721
722         TRACE("(%p,%ld)\n",This,pan);
723
724         if ((pan > DSBPAN_RIGHT) || (pan < DSBPAN_LEFT)) {
725                 WARN("invalid parameter: pan = %ld\n", pan);
726                 return DSERR_INVALIDPARAM;
727         }
728
729         /* You cannot use both pan and 3D controls */
730         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLPAN) ||
731             (This->dsbd.dwFlags & DSBCAPS_CTRL3D)) {
732                 WARN("control unavailable\n");
733                 return DSERR_CONTROLUNAVAIL;
734         }
735
736         /* **** */
737         EnterCriticalSection(&(This->lock));
738
739         oldPan = This->volpan.lPan;
740         This->volpan.lPan = pan;
741
742         if (pan != oldPan) {
743                 DSOUND_RecalcVolPan(&(This->volpan));
744
745                 if (This->hwbuf) {
746                         hres = IDsDriverBuffer_SetVolumePan(This->hwbuf, &(This->volpan));
747                         if (hres != DS_OK)
748                                 WARN("IDsDriverBuffer_SetVolumePan failed\n");
749                 } else 
750                         DSOUND_ForceRemix(This);
751         }
752
753         LeaveCriticalSection(&(This->lock));
754         /* **** */
755
756         return hres;
757 }
758
759 static HRESULT WINAPI IDirectSoundBufferImpl_GetPan(
760         LPDIRECTSOUNDBUFFER8 iface,LPLONG pan
761 ) {
762         ICOM_THIS(IDirectSoundBufferImpl,iface);
763         TRACE("(%p,%p)\n",This,pan);
764
765         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
766                 WARN("control unavailable\n");
767                 return DSERR_CONTROLUNAVAIL;
768         }
769
770         if (pan == NULL) {
771                 WARN("invalid parameter: pan = NULL\n");
772                 return DSERR_INVALIDPARAM;
773         }
774
775         *pan = This->volpan.lPan;
776
777         return DS_OK;
778 }
779
780 static HRESULT WINAPI IDirectSoundBufferImpl_Unlock(
781         LPDIRECTSOUNDBUFFER8 iface,LPVOID p1,DWORD x1,LPVOID p2,DWORD x2
782 ) {
783         ICOM_THIS(IDirectSoundBufferImpl,iface);
784         DWORD probably_valid_to;
785
786         TRACE("(%p,%p,%ld,%p,%ld)\n", This,p1,x1,p2,x2);
787
788         if (!(This->dsound->drvdesc.dwFlags & DSDDESC_DONTNEEDSECONDARYLOCK) && This->hwbuf) {
789                 HRESULT hres;
790                 hres = IDsDriverBuffer_Unlock(This->hwbuf, p1, x1, p2, x2);
791                 if (hres != DS_OK) {
792                         WARN("IDsDriverBuffer_Unlock failed\n");
793                         return hres;
794                 }
795         }
796
797         if (p2) probably_valid_to = (((LPBYTE)p2)-This->buffer->memory) + x2;
798         else probably_valid_to = (((LPBYTE)p1)-This->buffer->memory) + x1;
799         while (probably_valid_to >= This->buflen)
800                 probably_valid_to -= This->buflen;
801         if ((probably_valid_to == 0) && ((x1+x2) == This->buflen) &&
802             ((This->state == STATE_STARTING) ||
803              (This->state == STATE_PLAYING)))
804                 /* see IDirectSoundBufferImpl_Lock */
805                 probably_valid_to = (DWORD)-1;
806         This->probably_valid_to = probably_valid_to;
807
808         return DS_OK;
809 }
810
811 static HRESULT WINAPI IDirectSoundBufferImpl_Restore(
812         LPDIRECTSOUNDBUFFER8 iface
813 ) {
814         ICOM_THIS(IDirectSoundBufferImpl,iface);
815         FIXME("(%p):stub\n",This);
816         return DS_OK;
817 }
818
819 static HRESULT WINAPI IDirectSoundBufferImpl_GetFrequency(
820         LPDIRECTSOUNDBUFFER8 iface,LPDWORD freq
821 ) {
822         ICOM_THIS(IDirectSoundBufferImpl,iface);
823         TRACE("(%p,%p)\n",This,freq);
824
825         if (freq == NULL) {
826                 WARN("invalid parameter: freq = NULL\n");
827                 return DSERR_INVALIDPARAM;
828         }
829
830         *freq = This->freq;
831         TRACE("-> %ld\n", *freq);
832
833         return DS_OK;
834 }
835
836 static HRESULT WINAPI IDirectSoundBufferImpl_SetFX(
837         LPDIRECTSOUNDBUFFER8 iface,DWORD dwEffectsCount,LPDSEFFECTDESC pDSFXDesc,LPDWORD pdwResultCodes
838 ) {
839         ICOM_THIS(IDirectSoundBufferImpl,iface);
840         DWORD u;
841
842         FIXME("(%p,%lu,%p,%p): stub\n",This,dwEffectsCount,pDSFXDesc,pdwResultCodes);
843
844         if (pdwResultCodes)
845                 for (u=0; u<dwEffectsCount; u++) pdwResultCodes[u] = DSFXR_UNKNOWN;
846
847         WARN("control unavailable\n");
848         return DSERR_CONTROLUNAVAIL;
849 }
850
851 static HRESULT WINAPI IDirectSoundBufferImpl_AcquireResources(
852         LPDIRECTSOUNDBUFFER8 iface,DWORD dwFlags,DWORD dwEffectsCount,LPDWORD pdwResultCodes
853 ) {
854         ICOM_THIS(IDirectSoundBufferImpl,iface);
855         DWORD u;
856
857         FIXME("(%p,%08lu,%lu,%p): stub\n",This,dwFlags,dwEffectsCount,pdwResultCodes);
858
859         if (pdwResultCodes)
860                 for (u=0; u<dwEffectsCount; u++) pdwResultCodes[u] = DSFXR_UNKNOWN;
861
862         WARN("control unavailable\n");
863         return DSERR_CONTROLUNAVAIL;
864 }
865
866 static HRESULT WINAPI IDirectSoundBufferImpl_GetObjectInPath(
867         LPDIRECTSOUNDBUFFER8 iface,REFGUID rguidObject,DWORD dwIndex,REFGUID rguidInterface,LPVOID* ppObject
868 ) {
869         ICOM_THIS(IDirectSoundBufferImpl,iface);
870
871         FIXME("(%p,%s,%lu,%s,%p): stub\n",This,debugstr_guid(rguidObject),dwIndex,debugstr_guid(rguidInterface),ppObject);
872
873         WARN("control unavailable\n");
874         return DSERR_CONTROLUNAVAIL;
875 }
876
877 static HRESULT WINAPI IDirectSoundBufferImpl_Initialize(
878         LPDIRECTSOUNDBUFFER8 iface,LPDIRECTSOUND8 dsound,LPDSBUFFERDESC dbsd
879 ) {
880         ICOM_THIS(IDirectSoundBufferImpl,iface);
881         FIXME("(%p,%p,%p):stub\n",This,dsound,dbsd);
882         DPRINTF("Re-Init!!!\n");
883         WARN("already initialized\n");
884         return DSERR_ALREADYINITIALIZED;
885 }
886
887 static HRESULT WINAPI IDirectSoundBufferImpl_GetCaps(
888         LPDIRECTSOUNDBUFFER8 iface,LPDSBCAPS caps
889 ) {
890         ICOM_THIS(IDirectSoundBufferImpl,iface);
891         TRACE("(%p)->(%p)\n",This,caps);
892
893         if (caps == NULL) {
894                 WARN("invalid parameter: caps == NULL\n");
895                 return DSERR_INVALIDPARAM;
896         }
897
898         if (caps->dwSize < sizeof(*caps)) {
899                 WARN("invalid parameter: caps->dwSize = %ld < %d\n",caps->dwSize, sizeof(*caps));
900                 return DSERR_INVALIDPARAM;
901         }
902
903         caps->dwFlags = This->dsbd.dwFlags;
904         if (This->hwbuf) caps->dwFlags |= DSBCAPS_LOCHARDWARE;
905         else caps->dwFlags |= DSBCAPS_LOCSOFTWARE;
906
907         caps->dwBufferBytes = This->buflen;
908
909         /* This value represents the speed of the "unlock" command.
910            As unlock is quite fast (it does not do anything), I put
911            4096 ko/s = 4 Mo / s */
912         /* FIXME: hwbuf speed */
913         caps->dwUnlockTransferRate = 4096;
914         caps->dwPlayCpuOverhead = 0;
915
916         return DS_OK;
917 }
918
919 static HRESULT WINAPI IDirectSoundBufferImpl_QueryInterface(
920         LPDIRECTSOUNDBUFFER8 iface,REFIID riid,LPVOID *ppobj
921 ) {
922         ICOM_THIS(IDirectSoundBufferImpl,iface);
923
924         TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
925
926         if (ppobj == NULL) {
927                 WARN("invalid parameter\n");
928                 return E_INVALIDARG;
929         }
930
931         *ppobj = NULL;  /* assume failure */
932
933         if ( IsEqualGUID(riid, &IID_IUnknown) || 
934              IsEqualGUID(riid, &IID_IDirectSoundBuffer) || 
935              IsEqualGUID(riid, &IID_IDirectSoundBuffer8) ) {
936                 if (!This->dsb)
937                         SecondaryBufferImpl_Create(This, &(This->dsb));
938                 if (This->dsb) {
939                         IDirectSoundBuffer8_AddRef((LPDIRECTSOUNDBUFFER8)This->dsb);
940                         *ppobj = This->dsb;
941                         return S_OK;
942                 }
943                 WARN("IID_IDirectSoundBuffer\n");
944                 return E_NOINTERFACE;
945         }
946
947         if ( IsEqualGUID( &IID_IDirectSoundNotify, riid ) ||
948              IsEqualGUID( &IID_IDirectSoundNotify8, riid ) ) {
949                 if (!This->notify)
950                         IDirectSoundNotifyImpl_Create(This, &(This->notify));
951                 if (This->notify) {
952                         IDirectSoundNotify_AddRef((LPDIRECTSOUNDNOTIFY)This->notify);
953                         *ppobj = This->notify;
954                         return S_OK;
955                 }
956                 WARN("IID_IDirectSoundNotify\n");
957                 return E_NOINTERFACE;
958         }
959
960         if ( IsEqualGUID( &IID_IDirectSound3DBuffer, riid ) ) {
961                 if (!This->ds3db)
962                         IDirectSound3DBufferImpl_Create(This, &(This->ds3db));
963                 if (This->ds3db) {
964                         IDirectSound3DBuffer_AddRef((LPDIRECTSOUND3DBUFFER)This->ds3db);
965                         *ppobj = This->ds3db;
966                         return S_OK;
967                 }
968                 WARN("IID_IDirectSound3DBuffer\n");
969                 return E_NOINTERFACE;
970         }
971
972         if ( IsEqualGUID( &IID_IDirectSound3DListener, riid ) ) {
973                 ERR("app requested IDirectSound3DListener on secondary buffer\n");
974                 return E_NOINTERFACE;
975         }
976
977         if ( IsEqualGUID( &IID_IKsPropertySet, riid ) ) {
978                 /* only supported on hardware 3D secondary buffers */
979                 if (!(This->dsbd.dwFlags & DSBCAPS_PRIMARYBUFFER) && 
980                      (This->dsbd.dwFlags & DSBCAPS_CTRL3D) && 
981                      (This->hwbuf != NULL) ) {
982                         if (!This->iks)
983                                 IKsBufferPropertySetImpl_Create(This, &(This->iks));
984                         if (This->iks) {
985                                 IKsPropertySet_AddRef((LPKSPROPERTYSET)*ppobj);
986                                 *ppobj = This->iks;
987                                 return S_OK;
988                         }
989                 }
990                 WARN("IID_IKsPropertySet\n");
991                 return E_NOINTERFACE;
992         }
993
994         FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
995
996         return E_NOINTERFACE;
997 }
998
999 static ICOM_VTABLE(IDirectSoundBuffer8) dsbvt =
1000 {
1001         ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
1002         IDirectSoundBufferImpl_QueryInterface,
1003         IDirectSoundBufferImpl_AddRef,
1004         IDirectSoundBufferImpl_Release,
1005         IDirectSoundBufferImpl_GetCaps,
1006         IDirectSoundBufferImpl_GetCurrentPosition,
1007         IDirectSoundBufferImpl_GetFormat,
1008         IDirectSoundBufferImpl_GetVolume,
1009         IDirectSoundBufferImpl_GetPan,
1010         IDirectSoundBufferImpl_GetFrequency,
1011         IDirectSoundBufferImpl_GetStatus,
1012         IDirectSoundBufferImpl_Initialize,
1013         IDirectSoundBufferImpl_Lock,
1014         IDirectSoundBufferImpl_Play,
1015         IDirectSoundBufferImpl_SetCurrentPosition,
1016         IDirectSoundBufferImpl_SetFormat,
1017         IDirectSoundBufferImpl_SetVolume,
1018         IDirectSoundBufferImpl_SetPan,
1019         IDirectSoundBufferImpl_SetFrequency,
1020         IDirectSoundBufferImpl_Stop,
1021         IDirectSoundBufferImpl_Unlock,
1022         IDirectSoundBufferImpl_Restore,
1023         IDirectSoundBufferImpl_SetFX,
1024         IDirectSoundBufferImpl_AcquireResources,
1025         IDirectSoundBufferImpl_GetObjectInPath
1026 };
1027
1028 HRESULT WINAPI IDirectSoundBufferImpl_Create(
1029         IDirectSoundImpl *ds,
1030         IDirectSoundBufferImpl **pdsb,
1031         LPDSBUFFERDESC dsbd)
1032 {
1033         IDirectSoundBufferImpl *dsb;
1034         LPWAVEFORMATEX wfex = dsbd->lpwfxFormat;
1035         HRESULT err = DS_OK;
1036         DWORD capf = 0;
1037         int use_hw;
1038         TRACE("(%p,%p,%p)\n",ds,pdsb,dsbd);
1039
1040         if (dsbd->dwBufferBytes < DSBSIZE_MIN || dsbd->dwBufferBytes > DSBSIZE_MAX) {
1041                 WARN("invalid parameter: dsbd->dwBufferBytes = %ld\n", dsbd->dwBufferBytes);
1042                 *pdsb = NULL;
1043                 return DSERR_INVALIDPARAM; /* FIXME: which error? */
1044         }
1045
1046         dsb = (IDirectSoundBufferImpl*)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*dsb));
1047
1048         if (dsb == 0) {
1049                 WARN("out of memory\n");
1050                 *pdsb = NULL;
1051                 return DSERR_OUTOFMEMORY;
1052         }
1053         dsb->ref = 0;
1054         dsb->dsb = 0;
1055         dsb->dsound = ds;
1056         dsb->lpVtbl = &dsbvt;
1057         dsb->iks = NULL;
1058
1059         memcpy(&dsb->dsbd, dsbd, sizeof(*dsbd));
1060         if (wfex)
1061                 memcpy(&dsb->wfx, wfex, sizeof(dsb->wfx));
1062
1063         TRACE("Created buffer at %p\n", dsb);
1064
1065         dsb->buflen = dsbd->dwBufferBytes;
1066         dsb->freq = dsbd->lpwfxFormat->nSamplesPerSec;
1067
1068         dsb->notify = NULL;
1069         dsb->notifies = NULL;
1070         dsb->nrofnotifies = 0;
1071         dsb->hwnotify = 0;
1072
1073         /* Check necessary hardware mixing capabilities */
1074         if (wfex->nChannels==2) capf |= DSCAPS_SECONDARYSTEREO;
1075         else capf |= DSCAPS_SECONDARYMONO;
1076         if (wfex->wBitsPerSample==16) capf |= DSCAPS_SECONDARY16BIT;
1077         else capf |= DSCAPS_SECONDARY8BIT;
1078
1079         use_hw = (ds->drvcaps.dwFlags & capf) == capf;
1080         TRACE("use_hw = 0x%08x, capf = 0x%08lx, ds->drvcaps.dwFlags = 0x%08lx\n", use_hw, capf, ds->drvcaps.dwFlags);
1081
1082         /* FIXME: check hardware sample rate mixing capabilities */
1083         /* FIXME: check app hints for software/hardware buffer (STATIC, LOCHARDWARE, etc) */
1084         /* FIXME: check whether any hardware buffers are left */
1085         /* FIXME: handle DSDHEAP_CREATEHEAP for hardware buffers */
1086
1087         /* Allocate system memory if applicable */
1088         if ((ds->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) || !use_hw) {
1089                 dsb->buffer = HeapAlloc(GetProcessHeap(),0,sizeof(*(dsb->buffer)));
1090                 if (dsb->buffer == NULL) {
1091                         WARN("out of memory\n");
1092                         HeapFree(GetProcessHeap(),0,dsb);
1093                         *pdsb = NULL;
1094                         return DSERR_OUTOFMEMORY;
1095                 }
1096
1097                 dsb->buffer->memory = (LPBYTE)HeapAlloc(GetProcessHeap(),0,dsb->buflen);
1098                 if (dsb->buffer->memory == NULL) {
1099                         WARN("out of memory\n");
1100                         HeapFree(GetProcessHeap(),0,dsb->buffer);
1101                         HeapFree(GetProcessHeap(),0,dsb);
1102                         *pdsb = NULL;
1103                         return DSERR_OUTOFMEMORY;
1104                 }
1105         }
1106
1107         /* Allocate the hardware buffer */
1108         if (use_hw) {
1109                 err = IDsDriver_CreateSoundBuffer(ds->driver,wfex,dsbd->dwFlags,0,
1110                                                   &(dsb->buflen),&(dsb->buffer->memory),
1111                                                   (LPVOID*)&(dsb->hwbuf));
1112                 if (err != DS_OK) {
1113                         WARN("IDsDriver_CreateSoundBuffer failed\n");
1114                         if (dsb->buffer->memory)
1115                                 HeapFree(GetProcessHeap(),0,dsb->buffer->memory);
1116                         if (dsb->buffer)
1117                                 HeapFree(GetProcessHeap(),0,dsb->buffer);
1118                         HeapFree(GetProcessHeap(),0,dsb);
1119                         *pdsb = NULL;
1120                         return err;
1121                 }
1122         }
1123
1124         /* calculate fragment size and write lead */
1125         DSOUND_RecalcFormat(dsb);
1126
1127         /* It's not necessary to initialize values to zero since */
1128         /* we allocated this structure with HEAP_ZERO_MEMORY... */
1129         dsb->playpos = 0;
1130         dsb->buf_mixpos = 0;
1131         dsb->state = STATE_STOPPED;
1132
1133         dsb->freqAdjust = (dsb->freq << DSOUND_FREQSHIFT) /
1134                 ds->wfx.nSamplesPerSec;
1135         dsb->nAvgBytesPerSec = dsb->freq *
1136                 dsbd->lpwfxFormat->nBlockAlign;
1137
1138         if (dsb->dsbd.dwFlags & DSBCAPS_CTRL3D) {
1139                 dsb->ds3db_ds3db.dwSize = sizeof(DS3DBUFFER);
1140                 dsb->ds3db_ds3db.vPosition.x = 0.0;
1141                 dsb->ds3db_ds3db.vPosition.y = 0.0;
1142                 dsb->ds3db_ds3db.vPosition.z = 0.0;
1143                 dsb->ds3db_ds3db.vVelocity.x = 0.0;
1144                 dsb->ds3db_ds3db.vVelocity.y = 0.0;
1145                 dsb->ds3db_ds3db.vVelocity.z = 0.0;
1146                 dsb->ds3db_ds3db.dwInsideConeAngle = DS3D_DEFAULTCONEANGLE;
1147                 dsb->ds3db_ds3db.dwOutsideConeAngle = DS3D_DEFAULTCONEANGLE;
1148                 dsb->ds3db_ds3db.vConeOrientation.x = 0.0;
1149                 dsb->ds3db_ds3db.vConeOrientation.y = 0.0;
1150                 dsb->ds3db_ds3db.vConeOrientation.z = 0.0;
1151                 dsb->ds3db_ds3db.lConeOutsideVolume = DS3D_DEFAULTCONEOUTSIDEVOLUME;
1152                 dsb->ds3db_ds3db.flMinDistance = DS3D_DEFAULTMINDISTANCE;
1153                 dsb->ds3db_ds3db.flMaxDistance = DS3D_DEFAULTMAXDISTANCE;
1154                 dsb->ds3db_ds3db.dwMode = DS3DMODE_NORMAL;
1155
1156                 dsb->ds3db_need_recalc = FALSE;
1157                 DSOUND_Calc3DBuffer(dsb);
1158         } else
1159                 DSOUND_RecalcVolPan(&(dsb->volpan));
1160
1161         InitializeCriticalSection(&(dsb->lock));
1162
1163         /* register buffer */
1164         RtlAcquireResourceExclusive(&(ds->lock), TRUE);
1165         if (!(dsbd->dwFlags & DSBCAPS_PRIMARYBUFFER)) {
1166                 IDirectSoundBufferImpl **newbuffers = (IDirectSoundBufferImpl**)HeapReAlloc(GetProcessHeap(),0,ds->buffers,sizeof(IDirectSoundBufferImpl*)*(ds->nrofbuffers+1));
1167                 if (newbuffers) {
1168                         ds->buffers = newbuffers;
1169                         ds->buffers[ds->nrofbuffers] = dsb;
1170                         ds->nrofbuffers++;
1171                         TRACE("buffer count is now %d\n", ds->nrofbuffers);
1172                 } else {
1173                         ERR("out of memory for buffer list! Current buffer count is %d\n", ds->nrofbuffers);
1174                         if (dsb->buffer->memory)
1175                                 HeapFree(GetProcessHeap(),0,dsb->buffer->memory);
1176                         if (dsb->buffer)
1177                                 HeapFree(GetProcessHeap(),0,dsb->buffer);
1178                         DeleteCriticalSection(&(dsb->lock));
1179                         RtlReleaseResource(&(ds->lock));
1180                         HeapFree(GetProcessHeap(),0,dsb);
1181                         *pdsb = NULL;
1182                         return DSERR_OUTOFMEMORY;
1183                 }
1184         }
1185         RtlReleaseResource(&(ds->lock));
1186         IDirectSound8_AddRef((LPDIRECTSOUND8)ds);
1187         *pdsb = dsb;
1188         return S_OK;
1189 }
1190
1191 /*******************************************************************************
1192  *              SecondaryBuffer
1193  */
1194
1195 static HRESULT WINAPI SecondaryBufferImpl_QueryInterface(
1196         LPDIRECTSOUNDBUFFER8 iface,REFIID riid,LPVOID *ppobj) 
1197 {
1198         ICOM_THIS(SecondaryBufferImpl,iface);
1199         TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
1200
1201         return IDirectSoundBufferImpl_QueryInterface((LPDIRECTSOUNDBUFFER8)This->dsb,riid,ppobj);
1202 }
1203
1204 static DWORD WINAPI SecondaryBufferImpl_AddRef(LPDIRECTSOUNDBUFFER8 iface)
1205 {
1206         ICOM_THIS(IDirectSoundBufferImpl,iface);
1207         DWORD ref;
1208         TRACE("(%p) ref was %ld, thread is %04lx\n",This, This->ref, GetCurrentThreadId());
1209
1210         ref = InterlockedIncrement(&(This->ref));
1211         if (!ref) {
1212                 FIXME("thread-safety alert! AddRef-ing with a zero refcount!\n");
1213         }
1214         return ref;
1215 }
1216
1217 static DWORD WINAPI SecondaryBufferImpl_Release(LPDIRECTSOUNDBUFFER8 iface)
1218 {
1219         ICOM_THIS(IDirectSoundBufferImpl,iface);
1220         DWORD ref;
1221         TRACE("(%p) ref was %ld, thread is %04lx\n",This, This->ref, GetCurrentThreadId());
1222
1223         ref = InterlockedDecrement(&(This->ref));
1224         if (!ref) {
1225                 This->dsb->dsb = NULL;
1226                 IDirectSoundBuffer_Release((LPDIRECTSOUNDBUFFER8)This->dsb);
1227                 HeapFree(GetProcessHeap(),0,This);
1228                 TRACE("(%p) released\n",This);
1229         }
1230         return ref;
1231 }
1232
1233 static HRESULT WINAPI SecondaryBufferImpl_GetCaps(
1234         LPDIRECTSOUNDBUFFER8 iface,LPDSBCAPS caps)
1235 {
1236         ICOM_THIS(SecondaryBufferImpl,iface);
1237         TRACE("(%p)->(%p)\n",This,caps);
1238
1239         return IDirectSoundBufferImpl_GetCaps((LPDIRECTSOUNDBUFFER8)This->dsb,caps);
1240 }
1241
1242 static HRESULT WINAPI SecondaryBufferImpl_GetCurrentPosition(
1243         LPDIRECTSOUNDBUFFER8 iface,LPDWORD playpos,LPDWORD writepos)
1244 {
1245         ICOM_THIS(SecondaryBufferImpl,iface);
1246         TRACE("(%p,%p,%p)\n",This,playpos,writepos);
1247
1248         return IDirectSoundBufferImpl_GetCurrentPosition((LPDIRECTSOUNDBUFFER8)This->dsb,playpos,writepos);
1249 }
1250
1251 static HRESULT WINAPI SecondaryBufferImpl_GetFormat(
1252         LPDIRECTSOUNDBUFFER8 iface,LPWAVEFORMATEX lpwf,DWORD wfsize,LPDWORD wfwritten)
1253 {
1254         ICOM_THIS(SecondaryBufferImpl,iface);
1255         TRACE("(%p,%p,%ld,%p)\n",This,lpwf,wfsize,wfwritten);
1256
1257         return IDirectSoundBufferImpl_GetFormat((LPDIRECTSOUNDBUFFER8)This->dsb,lpwf,wfsize,wfwritten);
1258 }
1259
1260 static HRESULT WINAPI SecondaryBufferImpl_GetVolume(
1261         LPDIRECTSOUNDBUFFER8 iface,LPLONG vol)
1262 {
1263         ICOM_THIS(SecondaryBufferImpl,iface);
1264         TRACE("(%p,%p)\n",This,vol);
1265
1266         return IDirectSoundBufferImpl_GetVolume((LPDIRECTSOUNDBUFFER8)This->dsb,vol);
1267 }
1268
1269 static HRESULT WINAPI SecondaryBufferImpl_GetPan(
1270         LPDIRECTSOUNDBUFFER8 iface,LPLONG pan)
1271 {
1272         ICOM_THIS(SecondaryBufferImpl,iface);
1273         TRACE("(%p,%p)\n",This,pan);
1274
1275         return IDirectSoundBufferImpl_GetPan((LPDIRECTSOUNDBUFFER8)This->dsb,pan);
1276 }
1277
1278 static HRESULT WINAPI SecondaryBufferImpl_GetFrequency(
1279         LPDIRECTSOUNDBUFFER8 iface,LPDWORD freq)
1280 {
1281         ICOM_THIS(SecondaryBufferImpl,iface);
1282         TRACE("(%p,%p)\n",This,freq);
1283
1284         return IDirectSoundBufferImpl_GetFrequency((LPDIRECTSOUNDBUFFER8)This->dsb,freq);
1285 }
1286
1287 static HRESULT WINAPI SecondaryBufferImpl_GetStatus(
1288         LPDIRECTSOUNDBUFFER8 iface,LPDWORD status)
1289 {
1290         ICOM_THIS(SecondaryBufferImpl,iface);
1291         TRACE("(%p,%p)\n",This,status);
1292
1293         return IDirectSoundBufferImpl_GetStatus((LPDIRECTSOUNDBUFFER8)This->dsb,status);
1294 }
1295
1296 static HRESULT WINAPI SecondaryBufferImpl_Initialize(
1297         LPDIRECTSOUNDBUFFER8 iface,LPDIRECTSOUND8 dsound,LPDSBUFFERDESC dbsd)
1298 {
1299         ICOM_THIS(SecondaryBufferImpl,iface);
1300         TRACE("(%p,%p,%p)\n",This,dsound,dbsd);
1301
1302         return IDirectSoundBufferImpl_Initialize((LPDIRECTSOUNDBUFFER8)This->dsb,dsound,dbsd);
1303 }
1304
1305 static HRESULT WINAPI SecondaryBufferImpl_Lock(
1306         LPDIRECTSOUNDBUFFER8 iface,DWORD writecursor,DWORD writebytes,LPVOID lplpaudioptr1,LPDWORD audiobytes1,LPVOID lplpaudioptr2,LPDWORD audiobytes2,DWORD flags)
1307 {
1308         ICOM_THIS(SecondaryBufferImpl,iface);
1309         TRACE("(%p,%ld,%ld,%p,%p,%p,%p,0x%08lx)\n",
1310                 This,writecursor,writebytes,lplpaudioptr1,audiobytes1,lplpaudioptr2,audiobytes2,flags);
1311
1312         return IDirectSoundBufferImpl_Lock((LPDIRECTSOUNDBUFFER8)This->dsb,writecursor,writebytes,lplpaudioptr1,audiobytes1,lplpaudioptr2,audiobytes2,flags);
1313 }
1314
1315 static HRESULT WINAPI SecondaryBufferImpl_Play(
1316         LPDIRECTSOUNDBUFFER8 iface,DWORD reserved1,DWORD reserved2,DWORD flags)
1317 {
1318         ICOM_THIS(SecondaryBufferImpl,iface);
1319         TRACE("(%p,%08lx,%08lx,%08lx)\n",This,reserved1,reserved2,flags);
1320
1321         return IDirectSoundBufferImpl_Play((LPDIRECTSOUNDBUFFER8)This->dsb,reserved1,reserved2,flags);
1322 }
1323
1324 static HRESULT WINAPI SecondaryBufferImpl_SetCurrentPosition(
1325         LPDIRECTSOUNDBUFFER8 iface,DWORD newpos)
1326 {
1327         ICOM_THIS(SecondaryBufferImpl,iface);
1328         TRACE("(%p,%ld)\n",This,newpos);
1329
1330         return IDirectSoundBufferImpl_SetCurrentPosition((LPDIRECTSOUNDBUFFER8)This->dsb,newpos);
1331 }
1332
1333 static HRESULT WINAPI SecondaryBufferImpl_SetFormat(
1334         LPDIRECTSOUNDBUFFER8 iface,LPWAVEFORMATEX wfex)
1335 {
1336         ICOM_THIS(SecondaryBufferImpl,iface);
1337         TRACE("(%p,%p)\n",This,wfex);
1338
1339         return IDirectSoundBufferImpl_SetFormat((LPDIRECTSOUNDBUFFER8)This->dsb,wfex);
1340 }
1341
1342 static HRESULT WINAPI SecondaryBufferImpl_SetVolume(
1343         LPDIRECTSOUNDBUFFER8 iface,LONG vol)
1344 {
1345         ICOM_THIS(SecondaryBufferImpl,iface);
1346         TRACE("(%p,%ld)\n",This,vol);
1347
1348         return IDirectSoundBufferImpl_SetVolume((LPDIRECTSOUNDBUFFER8)This->dsb,vol);
1349 }
1350
1351 static HRESULT WINAPI SecondaryBufferImpl_SetPan(
1352         LPDIRECTSOUNDBUFFER8 iface,LONG pan)
1353 {
1354         ICOM_THIS(SecondaryBufferImpl,iface);
1355         TRACE("(%p,%ld)\n",This,pan);
1356
1357         return IDirectSoundBufferImpl_SetPan((LPDIRECTSOUNDBUFFER8)This->dsb,pan);
1358 }
1359
1360 static HRESULT WINAPI SecondaryBufferImpl_SetFrequency(
1361         LPDIRECTSOUNDBUFFER8 iface,DWORD freq)
1362 {
1363         ICOM_THIS(SecondaryBufferImpl,iface);
1364         TRACE("(%p,%ld)\n",This,freq);
1365
1366         return IDirectSoundBufferImpl_SetFrequency((LPDIRECTSOUNDBUFFER8)This->dsb,freq);
1367 }
1368
1369 static HRESULT WINAPI SecondaryBufferImpl_Stop(LPDIRECTSOUNDBUFFER8 iface)
1370 {
1371         ICOM_THIS(SecondaryBufferImpl,iface);
1372         TRACE("(%p)\n",This);
1373
1374         return IDirectSoundBufferImpl_Stop((LPDIRECTSOUNDBUFFER8)This->dsb);
1375 }
1376
1377 static HRESULT WINAPI SecondaryBufferImpl_Unlock(
1378         LPDIRECTSOUNDBUFFER8 iface,LPVOID p1,DWORD x1,LPVOID p2,DWORD x2)
1379 {
1380         ICOM_THIS(SecondaryBufferImpl,iface);
1381         TRACE("(%p,%p,%ld,%p,%ld)\n", This,p1,x1,p2,x2);
1382
1383         return IDirectSoundBufferImpl_Unlock((LPDIRECTSOUNDBUFFER8)This->dsb,p1,x1,p2,x2);
1384 }
1385
1386 static HRESULT WINAPI SecondaryBufferImpl_Restore(
1387         LPDIRECTSOUNDBUFFER8 iface)
1388 {
1389         ICOM_THIS(SecondaryBufferImpl,iface);
1390         TRACE("(%p)\n",This);
1391
1392         return IDirectSoundBufferImpl_Restore((LPDIRECTSOUNDBUFFER8)This->dsb);
1393 }
1394
1395 static HRESULT WINAPI SecondaryBufferImpl_SetFX(
1396         LPDIRECTSOUNDBUFFER8 iface,DWORD dwEffectsCount,LPDSEFFECTDESC pDSFXDesc,LPDWORD pdwResultCodes)
1397 {
1398         ICOM_THIS(SecondaryBufferImpl,iface);
1399         TRACE("(%p,%lu,%p,%p)\n",This,dwEffectsCount,pDSFXDesc,pdwResultCodes);
1400
1401         return IDirectSoundBufferImpl_SetFX((LPDIRECTSOUNDBUFFER8)This->dsb,dwEffectsCount,pDSFXDesc,pdwResultCodes);
1402 }
1403
1404 static HRESULT WINAPI SecondaryBufferImpl_AcquireResources(
1405         LPDIRECTSOUNDBUFFER8 iface,DWORD dwFlags,DWORD dwEffectsCount,LPDWORD pdwResultCodes)
1406 {
1407         ICOM_THIS(SecondaryBufferImpl,iface);
1408         TRACE("(%p,%08lu,%lu,%p)\n",This,dwFlags,dwEffectsCount,pdwResultCodes);
1409
1410         return IDirectSoundBufferImpl_AcquireResources((LPDIRECTSOUNDBUFFER8)This->dsb,dwFlags,dwEffectsCount,pdwResultCodes);
1411 }
1412
1413 static HRESULT WINAPI SecondaryBufferImpl_GetObjectInPath(
1414         LPDIRECTSOUNDBUFFER8 iface,REFGUID rguidObject,DWORD dwIndex,REFGUID rguidInterface,LPVOID* ppObject)
1415 {
1416         ICOM_THIS(SecondaryBufferImpl,iface);
1417         TRACE("(%p,%s,%lu,%s,%p)\n",This,debugstr_guid(rguidObject),dwIndex,debugstr_guid(rguidInterface),ppObject);
1418
1419         return IDirectSoundBufferImpl_GetObjectInPath((LPDIRECTSOUNDBUFFER8)This->dsb,rguidObject,dwIndex,rguidInterface,ppObject);
1420 }
1421
1422 static ICOM_VTABLE(IDirectSoundBuffer8) sbvt =
1423 {
1424         ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
1425         SecondaryBufferImpl_QueryInterface,
1426         SecondaryBufferImpl_AddRef,
1427         SecondaryBufferImpl_Release,
1428         SecondaryBufferImpl_GetCaps,
1429         SecondaryBufferImpl_GetCurrentPosition,
1430         SecondaryBufferImpl_GetFormat,
1431         SecondaryBufferImpl_GetVolume,
1432         SecondaryBufferImpl_GetPan,
1433         SecondaryBufferImpl_GetFrequency,
1434         SecondaryBufferImpl_GetStatus,
1435         SecondaryBufferImpl_Initialize,
1436         SecondaryBufferImpl_Lock,
1437         SecondaryBufferImpl_Play,
1438         SecondaryBufferImpl_SetCurrentPosition,
1439         SecondaryBufferImpl_SetFormat,
1440         SecondaryBufferImpl_SetVolume,
1441         SecondaryBufferImpl_SetPan,
1442         SecondaryBufferImpl_SetFrequency,
1443         SecondaryBufferImpl_Stop,
1444         SecondaryBufferImpl_Unlock,
1445         SecondaryBufferImpl_Restore,
1446         SecondaryBufferImpl_SetFX,
1447         SecondaryBufferImpl_AcquireResources,
1448         SecondaryBufferImpl_GetObjectInPath
1449 };
1450
1451 HRESULT WINAPI SecondaryBufferImpl_Create(
1452         IDirectSoundBufferImpl *dsb,
1453         SecondaryBufferImpl **psb)
1454 {
1455         SecondaryBufferImpl *sb;
1456         TRACE("(%p,%p)\n",dsb,psb);
1457
1458         sb = (SecondaryBufferImpl*)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*sb));
1459
1460         if (sb == 0) {
1461                 WARN("out of memory\n");
1462                 *psb = NULL;
1463                 return DSERR_OUTOFMEMORY;
1464         }
1465         sb->ref = 0;
1466         sb->dsb = dsb;
1467         sb->lpVtbl = &sbvt;
1468
1469         IDirectSoundBuffer8_AddRef((LPDIRECTSOUNDBUFFER8)dsb);
1470         *psb = sb;
1471         return S_OK;
1472 }