~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~ [ freetext search ] ~ [ file search ] ~

Wine Cross Reference
wine/dlls/dsound/buffer.c

Version: ~ [ wine-1.0-rc1 ] ~ [ wine-0.9.61 ] ~ [ wine-0.9.60 ] ~ [ wine-0.9.59 ] ~ [ wine-0.9.58 ] ~ [ wine-0.9.57 ] ~ [ wine-0.9.56 ] ~ [ wine-0.9.55 ] ~ [ wine-0.9.54 ] ~ [ wine-0.9.53 ] ~ [ wine-0.9.52 ] ~ [ wine-0.9.51 ] ~ [ wine-0.9.50 ] ~ [ wine-0.9.49 ] ~ [ wine-0.9.48 ] ~ [ wine-0.9.47 ] ~ [ wine-0.9.46 ] ~ [ wine-0.9.45 ] ~ [ wine-0.9.44 ] ~ [ wine-0.9.43 ] ~ [ wine-0.9.42 ] ~ [ wine-0.9.41 ] ~ [ wine-0.9.40 ] ~ [ wine-0.9.39 ] ~ [ wine-0.9.38 ] ~ [ wine-0.9.37 ] ~ [ wine-0.9.36 ] ~ [ wine-0.9.35 ] ~ [ wine-0.9.34 ] ~ [ wine-0.9.33 ] ~ [ wine-0.9.32 ] ~ [ wine-0.9.31 ] ~ [ wine-0.9.30 ] ~ [ wine-0.9.29 ] ~ [ wine-0.9.28 ] ~ [ wine-0.9.27 ] ~ [ wine-0.9.26 ] ~ [ wine-0.9.25 ] ~ [ wine-0.9.24 ] ~ [ wine-0.9.23 ] ~ [ wine-0.9.22 ] ~ [ wine-0.9.21 ] ~ [ wine-0.9.20 ] ~ [ wine-0.9.19 ] ~ [ wine-0.9.18 ] ~ [ wine-0.9.17 ] ~ [ wine-0.9.16 ] ~ [ wine-0.9.15 ] ~ [ wine-0.9.14 ] ~ [ wine-0.9.13 ] ~ [ wine-0.9.12 ] ~ [ wine-0.9.11 ] ~ [ wine-0.9.10 ] ~ [ wine-0.9.9 ] ~ [ wine-0.9.8 ] ~ [ wine-0.9.7 ] ~ [ wine-0.9.6 ] ~ [ wine-0.9.5 ] ~ [ wine-0.9.4 ] ~ [ wine-0.9.3 ] ~ [ wine-0.9.2 ] ~ [ wine-0.9.1 ] ~ [ wine-0.9 ] ~ [ wine20050930 ] ~ [ wine20050830 ] ~ [ wine20050725 ] ~ [ wine20050628 ] ~ [ wine20050524 ] ~ [ wine20050419 ] ~ [ wine20050310 ] ~ [ wine20050211 ] ~ [ wine20050111 ] ~ [ wine20041201 ] ~ [ wine20041019 ] ~ [ wine20040914 ] ~ [ wine20040813 ] ~ [ wine20040716 ] ~ [ wine20040615 ] ~ [ wine20040505 ] ~ [ wine20040408 ] ~ [ wine20040309 ] ~ [ wine20040213 ] ~ [ wine20040121 ] ~ [ wine20031212 ] ~ [ wine20031118 ] ~ [ wine20031016 ] ~ [ wine20030911 ] ~ [ wine20030813 ] ~ [ wine20030709 ] ~ [ wine20030618 ] ~ [ wine20030508 ] ~ [ wine20030408 ] ~ [ wine20030318 ] ~ [ wine20030219 ] ~ [ wine20030115 ] ~ [ wine20021219 ] ~ [ wine20021125 ] ~ [ wine20021031 ] ~ [ wine20021007 ] ~ [ wine20020904 ] ~ [ wine20020804 ] ~ [ wine20020710 ] ~ [ wine20020605 ] ~ [ wine20020509 ] ~ [ wine20020411 ] ~ [ wine20020310 ] ~ [ wine20020228 ] ~ [ wine20011226 ] ~ [ wine20011108 ] ~ [ wine20011004 ] ~ [ wine20010824 ] ~ [ wine20010731 ] ~ [ wine20010629 ] ~ [ wine20010510 ] ~ [ wine20010418 ] ~ [ wine20010326 ] ~ [ wine20010305 ] ~ [ wine20010216 ] ~ [ wine20010112 ] ~ [ wine20001222 ] ~ [ wine20001202 ] ~ [ wine20001026 ] ~ [ wine20001002 ] ~ [ wine20000909 ] ~ [ wine20000821 ] ~ [ wine20000801 ] ~ [ wine20000716 ] ~ [ wine20000326 ] ~ [ wine20000227 ] ~ [ wine20000130 ] ~ [ wine20000109 ] ~

  1 /*                      DirectSound
  2  *
  3  * Copyright 1998 Marcus Meissner
  4  * Copyright 1998 Rob Riggs
  5  * Copyright 2000-2002 TransGaming Technologies, Inc.
  6  *
  7  * This library is free software; you can redistribute it and/or
  8  * modify it under the terms of the GNU Lesser General Public
  9  * License as published by the Free Software Foundation; either
 10  * version 2.1 of the License, or (at your option) any later version.
 11  *
 12  * This library is distributed in the hope that it will be useful,
 13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 15  * Lesser General Public License for more details.
 16  *
 17  * You should have received a copy of the GNU Lesser General Public
 18  * License along with this library; if not, write to the Free Software
 19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 20  */
 21 
 22 #include <stdarg.h>
 23 
 24 #define NONAMELESSSTRUCT
 25 #define NONAMELESSUNION
 26 #include "windef.h"
 27 #include "winbase.h"
 28 #include "winuser.h"
 29 #include "mmsystem.h"
 30 #include "winternl.h"
 31 #include "wine/debug.h"
 32 #include "dsound.h"
 33 #include "dsdriver.h"
 34 #include "dsound_private.h"
 35 
 36 WINE_DEFAULT_DEBUG_CHANNEL(dsound);
 37 
 38 static HRESULT SecondaryBufferImpl_Destroy(SecondaryBufferImpl *pdsb);
 39 
 40 /*******************************************************************************
 41  *              IDirectSoundNotify
 42  */
 43 
 44 struct IDirectSoundNotifyImpl
 45 {
 46     /* IUnknown fields */
 47     const IDirectSoundNotifyVtbl *lpVtbl;
 48     LONG                        ref;
 49     IDirectSoundBufferImpl*     dsb;
 50 };
 51 
 52 static HRESULT IDirectSoundNotifyImpl_Create(IDirectSoundBufferImpl *dsb,
 53                                              IDirectSoundNotifyImpl **pdsn);
 54 static HRESULT IDirectSoundNotifyImpl_Destroy(IDirectSoundNotifyImpl *pdsn);
 55 
 56 static HRESULT WINAPI IDirectSoundNotifyImpl_QueryInterface(
 57         LPDIRECTSOUNDNOTIFY iface,REFIID riid,LPVOID *ppobj
 58 ) {
 59         IDirectSoundNotifyImpl *This = (IDirectSoundNotifyImpl *)iface;
 60         TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
 61 
 62         if (This->dsb == NULL) {
 63                 WARN("invalid parameter\n");
 64                 return E_INVALIDARG;
 65         }
 66 
 67         return IDirectSoundBuffer_QueryInterface((LPDIRECTSOUNDBUFFER)This->dsb, riid, ppobj);
 68 }
 69 
 70 static ULONG WINAPI IDirectSoundNotifyImpl_AddRef(LPDIRECTSOUNDNOTIFY iface)
 71 {
 72     IDirectSoundNotifyImpl *This = (IDirectSoundNotifyImpl *)iface;
 73     ULONG ref = InterlockedIncrement(&(This->ref));
 74     TRACE("(%p) ref was %d\n", This, ref - 1);
 75     return ref;
 76 }
 77 
 78 static ULONG WINAPI IDirectSoundNotifyImpl_Release(LPDIRECTSOUNDNOTIFY iface)
 79 {
 80     IDirectSoundNotifyImpl *This = (IDirectSoundNotifyImpl *)iface;
 81     ULONG ref = InterlockedDecrement(&(This->ref));
 82     TRACE("(%p) ref was %d\n", This, ref + 1);
 83 
 84     if (!ref) {
 85         IDirectSoundBuffer_Release((LPDIRECTSOUNDBUFFER)This->dsb);
 86         This->dsb->notify = NULL;
 87         HeapFree(GetProcessHeap(), 0, This);
 88         TRACE("(%p) released\n", This);
 89     }
 90     return ref;
 91 }
 92 
 93 static HRESULT WINAPI IDirectSoundNotifyImpl_SetNotificationPositions(
 94         LPDIRECTSOUNDNOTIFY iface,DWORD howmuch,LPCDSBPOSITIONNOTIFY notify
 95 ) {
 96         IDirectSoundNotifyImpl *This = (IDirectSoundNotifyImpl *)iface;
 97         TRACE("(%p,0x%08x,%p)\n",This,howmuch,notify);
 98 
 99         if (howmuch > 0 && notify == NULL) {
100             WARN("invalid parameter: notify == NULL\n");
101             return DSERR_INVALIDPARAM;
102         }
103 
104         if (TRACE_ON(dsound)) {
105             unsigned int        i;
106             for (i=0;i<howmuch;i++)
107                 TRACE("notify at %d to %p\n",
108                     notify[i].dwOffset,notify[i].hEventNotify);
109         }
110 
111         if (This->dsb->hwnotify) {
112             HRESULT hres;
113             hres = IDsDriverNotify_SetNotificationPositions(This->dsb->hwnotify, howmuch, notify);
114             if (hres != DS_OK)
115                     WARN("IDsDriverNotify_SetNotificationPositions failed\n");
116             return hres;
117         } else if (howmuch > 0) {
118             /* Make an internal copy of the caller-supplied array.
119              * Replace the existing copy if one is already present. */
120             if (This->dsb->notifies)
121                     This->dsb->notifies = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
122                         This->dsb->notifies, howmuch * sizeof(DSBPOSITIONNOTIFY));
123             else
124                     This->dsb->notifies = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
125                         howmuch * sizeof(DSBPOSITIONNOTIFY));
126 
127             if (This->dsb->notifies == NULL) {
128                     WARN("out of memory\n");
129                     return DSERR_OUTOFMEMORY;
130             }
131             CopyMemory(This->dsb->notifies, notify, howmuch * sizeof(DSBPOSITIONNOTIFY));
132             This->dsb->nrofnotifies = howmuch;
133         } else {
134            HeapFree(GetProcessHeap(), 0, This->dsb->notifies);
135            This->dsb->notifies = NULL;
136            This->dsb->nrofnotifies = 0;
137         }
138 
139         return S_OK;
140 }
141 
142 static const IDirectSoundNotifyVtbl dsnvt =
143 {
144     IDirectSoundNotifyImpl_QueryInterface,
145     IDirectSoundNotifyImpl_AddRef,
146     IDirectSoundNotifyImpl_Release,
147     IDirectSoundNotifyImpl_SetNotificationPositions,
148 };
149 
150 static HRESULT IDirectSoundNotifyImpl_Create(
151     IDirectSoundBufferImpl * dsb,
152     IDirectSoundNotifyImpl **pdsn)
153 {
154     IDirectSoundNotifyImpl * dsn;
155     TRACE("(%p,%p)\n",dsb,pdsn);
156 
157     dsn = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(dsn));
158 
159     if (dsn == NULL) {
160         WARN("out of memory\n");
161         return DSERR_OUTOFMEMORY;
162     }
163 
164     dsn->ref = 0;
165     dsn->lpVtbl = &dsnvt;
166     dsn->dsb = dsb;
167     dsb->notify = dsn;
168     IDirectSoundBuffer_AddRef((LPDIRECTSOUNDBUFFER)dsb);
169 
170     *pdsn = dsn;
171     return DS_OK;
172 }
173 
174 static HRESULT IDirectSoundNotifyImpl_Destroy(
175     IDirectSoundNotifyImpl *pdsn)
176 {
177     TRACE("(%p)\n",pdsn);
178 
179     while (IDirectSoundNotifyImpl_Release((LPDIRECTSOUNDNOTIFY)pdsn) > 0);
180 
181     return DS_OK;
182 }
183 
184 /*******************************************************************************
185  *              IDirectSoundBuffer
186  */
187 
188 static HRESULT WINAPI IDirectSoundBufferImpl_SetFormat(
189         LPDIRECTSOUNDBUFFER8 iface,LPCWAVEFORMATEX wfex
190 ) {
191         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
192 
193         TRACE("(%p,%p)\n",This,wfex);
194         /* This method is not available on secondary buffers */
195         WARN("invalid call\n");
196         return DSERR_INVALIDCALL;
197 }
198 
199 static HRESULT WINAPI IDirectSoundBufferImpl_SetVolume(
200         LPDIRECTSOUNDBUFFER8 iface,LONG vol
201 ) {
202         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
203         LONG oldVol;
204         HRESULT hres = DS_OK;
205 
206         TRACE("(%p,%d)\n",This,vol);
207 
208         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
209                 WARN("control unavailable: This->dsbd.dwFlags = 0x%08x\n", This->dsbd.dwFlags);
210                 return DSERR_CONTROLUNAVAIL;
211         }
212 
213         if ((vol > DSBVOLUME_MAX) || (vol < DSBVOLUME_MIN)) {
214                 WARN("invalid parameter: vol = %d\n", vol);
215                 return DSERR_INVALIDPARAM;
216         }
217 
218         /* **** */
219         RtlAcquireResourceExclusive(&This->lock, TRUE);
220 
221         if (This->dsbd.dwFlags & DSBCAPS_CTRL3D) {
222                 oldVol = This->ds3db_lVolume;
223                 This->ds3db_lVolume = vol;
224                 if (vol != oldVol)
225                         /* recalc 3d volume, which in turn recalcs the pans */
226                         DSOUND_Calc3DBuffer(This);
227         } else {
228                 oldVol = This->volpan.lVolume;
229                 This->volpan.lVolume = vol;
230                 if (vol != oldVol)
231                         DSOUND_RecalcVolPan(&(This->volpan));
232         }
233 
234         if (vol != oldVol) {
235                 if (This->hwbuf) {
236                         hres = IDsDriverBuffer_SetVolumePan(This->hwbuf, &(This->volpan));
237                         if (hres != DS_OK)
238                                 WARN("IDsDriverBuffer_SetVolumePan failed\n");
239                 }
240         }
241 
242         RtlReleaseResource(&This->lock);
243         /* **** */
244 
245         return hres;
246 }
247 
248 static HRESULT WINAPI IDirectSoundBufferImpl_GetVolume(
249         LPDIRECTSOUNDBUFFER8 iface,LPLONG vol
250 ) {
251         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
252         TRACE("(%p,%p)\n",This,vol);
253 
254         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
255                 WARN("control unavailable\n");
256                 return DSERR_CONTROLUNAVAIL;
257         }
258 
259         if (vol == NULL) {
260                 WARN("invalid parameter: vol == NULL\n");
261                 return DSERR_INVALIDPARAM;
262         }
263 
264         *vol = This->volpan.lVolume;
265 
266         return DS_OK;
267 }
268 
269 static HRESULT WINAPI IDirectSoundBufferImpl_SetFrequency(
270         LPDIRECTSOUNDBUFFER8 iface,DWORD freq
271 ) {
272         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
273         DWORD oldFreq;
274 
275         TRACE("(%p,%d)\n",This,freq);
276 
277         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLFREQUENCY)) {
278                 WARN("control unavailable\n");
279                 return DSERR_CONTROLUNAVAIL;
280         }
281 
282         if (freq == DSBFREQUENCY_ORIGINAL)
283                 freq = This->pwfx->nSamplesPerSec;
284 
285         if ((freq < DSBFREQUENCY_MIN) || (freq > DSBFREQUENCY_MAX)) {
286                 WARN("invalid parameter: freq = %d\n", freq);
287                 return DSERR_INVALIDPARAM;
288         }
289 
290         /* **** */
291         RtlAcquireResourceExclusive(&This->lock, TRUE);
292 
293         oldFreq = This->freq;
294         This->freq = freq;
295         if (freq != oldFreq) {
296                 This->freqAdjust = ((DWORD64)This->freq << DSOUND_FREQSHIFT) / This->device->pwfx->nSamplesPerSec;
297                 This->nAvgBytesPerSec = freq * This->pwfx->nBlockAlign;
298                 DSOUND_RecalcFormat(This);
299                 DSOUND_MixToTemporary(This, 0, This->buflen, FALSE);
300         }
301 
302         RtlReleaseResource(&This->lock);
303         /* **** */
304 
305         return DS_OK;
306 }
307 
308 static HRESULT WINAPI IDirectSoundBufferImpl_Play(
309         LPDIRECTSOUNDBUFFER8 iface,DWORD reserved1,DWORD reserved2,DWORD flags
310 ) {
311         HRESULT hres = DS_OK;
312         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
313         TRACE("(%p,%08x,%08x,%08x)\n",This,reserved1,reserved2,flags);
314 
315         /* **** */
316         RtlAcquireResourceExclusive(&This->lock, TRUE);
317 
318         This->playflags = flags;
319         if (This->state == STATE_STOPPED && !This->hwbuf) {
320                 This->leadin = TRUE;
321                 This->state = STATE_STARTING;
322         } else if (This->state == STATE_STOPPING)
323                 This->state = STATE_PLAYING;
324         if (This->hwbuf) {
325                 hres = IDsDriverBuffer_Play(This->hwbuf, 0, 0, This->playflags);
326                 if (hres != DS_OK)
327                         WARN("IDsDriverBuffer_Play failed\n");
328                 else
329                         This->state = STATE_PLAYING;
330         }
331 
332         RtlReleaseResource(&This->lock);
333         /* **** */
334 
335         return hres;
336 }
337 
338 static HRESULT WINAPI IDirectSoundBufferImpl_Stop(LPDIRECTSOUNDBUFFER8 iface)
339 {
340         HRESULT hres = DS_OK;
341         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
342         TRACE("(%p)\n",This);
343 
344         /* **** */
345         RtlAcquireResourceExclusive(&This->lock, TRUE);
346 
347         if (This->state == STATE_PLAYING)
348                 This->state = STATE_STOPPING;
349         else if (This->state == STATE_STARTING)
350         {
351                 This->state = STATE_STOPPED;
352                 DSOUND_CheckEvent(This, 0, 0);
353         }
354         if (This->hwbuf) {
355                 hres = IDsDriverBuffer_Stop(This->hwbuf);
356                 if (hres != DS_OK)
357                         WARN("IDsDriverBuffer_Stop failed\n");
358                 else
359                         This->state = STATE_STOPPED;
360         }
361 
362         RtlReleaseResource(&This->lock);
363         /* **** */
364 
365         return hres;
366 }
367 
368 static ULONG WINAPI IDirectSoundBufferImpl_AddRef(LPDIRECTSOUNDBUFFER8 iface)
369 {
370     IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
371     ULONG ref = InterlockedIncrement(&(This->ref));
372     TRACE("(%p) ref was %d\n", This, ref - 1);
373     return ref;
374 }
375 
376 static ULONG WINAPI IDirectSoundBufferImpl_Release(LPDIRECTSOUNDBUFFER8 iface)
377 {
378     IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
379     ULONG ref = InterlockedDecrement(&(This->ref));
380     TRACE("(%p) ref was %d\n", This, ref + 1);
381 
382     if (!ref) {
383         DirectSoundDevice_RemoveBuffer(This->device, This);
384         RtlDeleteResource(&This->lock);
385 
386         if (This->hwbuf) {
387                 IDsDriverBuffer_Release(This->hwbuf);
388                 if (This->device->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) {
389                         This->buffer->ref--;
390                         list_remove(&This->entry);
391                         if (This->buffer->ref==0) {
392                                 HeapFree(GetProcessHeap(),0,This->buffer->memory);
393                                 HeapFree(GetProcessHeap(),0,This->buffer);
394                         }
395                 }
396         } else {
397                 This->buffer->ref--;
398                 list_remove(&This->entry);
399                 if (This->buffer->ref==0) {
400                         HeapFree(GetProcessHeap(),0,This->buffer->memory);
401                         HeapFree(GetProcessHeap(),0,This->buffer);
402                 }
403         }
404 
405         HeapFree(GetProcessHeap(), 0, This->tmp_buffer);
406         HeapFree(GetProcessHeap(), 0, This->notifies);
407         HeapFree(GetProcessHeap(), 0, This->pwfx);
408         HeapFree(GetProcessHeap(), 0, This);
409 
410         TRACE("(%p) released\n", This);
411     }
412     return ref;
413 }
414 
415 static HRESULT WINAPI IDirectSoundBufferImpl_GetCurrentPosition(
416         LPDIRECTSOUNDBUFFER8 iface,LPDWORD playpos,LPDWORD writepos
417 ) {
418         HRESULT hres;
419         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
420         TRACE("(%p,%p,%p)\n",This,playpos,writepos);
421 
422         RtlAcquireResourceShared(&This->lock, TRUE);
423         if (This->hwbuf) {
424                 hres=IDsDriverBuffer_GetPosition(This->hwbuf,playpos,writepos);
425                 if (hres != DS_OK) {
426                     WARN("IDsDriverBuffer_GetPosition failed\n");
427                     return hres;
428                 }
429         } else {
430                 DWORD pos = This->sec_mixpos;
431 
432                 /* sanity */
433                 if (pos >= This->buflen){
434                         FIXME("Bad play position. playpos: %d, buflen: %d\n", pos, This->buflen);
435                         pos %= This->buflen;
436                 }
437 
438                 if (playpos)
439                         *playpos = pos;
440                 if (writepos)
441                         *writepos = pos;
442         }
443         if (writepos && This->state != STATE_STOPPED && (!This->hwbuf || !(This->device->drvdesc.dwFlags & DSDDESC_DONTNEEDWRITELEAD))) {
444                 /* apply the documented 10ms lead to writepos */
445                 *writepos += This->writelead;
446                 *writepos %= This->buflen;
447         }
448         RtlReleaseResource(&This->lock);
449 
450         TRACE("playpos = %d, writepos = %d, buflen=%d (%p, time=%d)\n",
451                 playpos?*playpos:-1, writepos?*writepos:-1, This->buflen, This, GetTickCount());
452 
453         return DS_OK;
454 }
455 
456 static HRESULT WINAPI IDirectSoundBufferImpl_GetStatus(
457         LPDIRECTSOUNDBUFFER8 iface,LPDWORD status
458 ) {
459         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
460         TRACE("(%p,%p), thread is %04x\n",This,status,GetCurrentThreadId());
461 
462         if (status == NULL) {
463                 WARN("invalid parameter: status = NULL\n");
464                 return DSERR_INVALIDPARAM;
465         }
466 
467         *status = 0;
468         RtlAcquireResourceShared(&This->lock, TRUE);
469         if ((This->state == STATE_STARTING) || (This->state == STATE_PLAYING)) {
470                 *status |= DSBSTATUS_PLAYING;
471                 if (This->playflags & DSBPLAY_LOOPING)
472                         *status |= DSBSTATUS_LOOPING;
473         }
474         RtlReleaseResource(&This->lock);
475 
476         TRACE("status=%x\n", *status);
477         return DS_OK;
478 }
479 
480 
481 static HRESULT WINAPI IDirectSoundBufferImpl_GetFormat(
482     LPDIRECTSOUNDBUFFER8 iface,
483     LPWAVEFORMATEX lpwf,
484     DWORD wfsize,
485     LPDWORD wfwritten)
486 {
487     DWORD size;
488     IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
489     TRACE("(%p,%p,%d,%p)\n",This,lpwf,wfsize,wfwritten);
490 
491     size = sizeof(WAVEFORMATEX) + This->pwfx->cbSize;
492 
493     if (lpwf) { /* NULL is valid */
494         if (wfsize >= size) {
495             CopyMemory(lpwf,This->pwfx,size);
496             if (wfwritten)
497                 *wfwritten = size;
498         } else {
499             WARN("invalid parameter: wfsize too small\n");
500             CopyMemory(lpwf,This->pwfx,wfsize);
501             if (wfwritten)
502                 *wfwritten = wfsize;
503             return DSERR_INVALIDPARAM;
504         }
505     } else {
506         if (wfwritten)
507             *wfwritten = sizeof(WAVEFORMATEX) + This->pwfx->cbSize;
508         else {
509             WARN("invalid parameter: wfwritten == NULL\n");
510             return DSERR_INVALIDPARAM;
511         }
512     }
513 
514     return DS_OK;
515 }
516 
517 static HRESULT WINAPI IDirectSoundBufferImpl_Lock(
518         LPDIRECTSOUNDBUFFER8 iface,DWORD writecursor,DWORD writebytes,LPVOID *lplpaudioptr1,LPDWORD audiobytes1,LPVOID *lplpaudioptr2,LPDWORD audiobytes2,DWORD flags
519 ) {
520         HRESULT hres = DS_OK;
521         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
522 
523         TRACE("(%p,%d,%d,%p,%p,%p,%p,0x%08x) at %d\n",
524                 This,
525                 writecursor,
526                 writebytes,
527                 lplpaudioptr1,
528                 audiobytes1,
529                 lplpaudioptr2,
530                 audiobytes2,
531                 flags,
532                 GetTickCount()
533         );
534 
535         /* when this flag is set, writecursor is meaningless and must be calculated */
536         if (flags & DSBLOCK_FROMWRITECURSOR) {
537                 /* GetCurrentPosition does too much magic to duplicate here */
538                 hres = IDirectSoundBufferImpl_GetCurrentPosition(iface, NULL, &writecursor);
539                 if (hres != DS_OK) {
540                         WARN("IDirectSoundBufferImpl_GetCurrentPosition failed\n");
541                         return hres;
542                 }
543         }
544 
545         /* when this flag is set, writebytes is meaningless and must be set */
546         if (flags & DSBLOCK_ENTIREBUFFER)
547                 writebytes = This->buflen;
548 
549         if (writecursor >= This->buflen) {
550                 WARN("Invalid parameter, writecursor: %u >= buflen: %u\n",
551                      writecursor, This->buflen);
552                 return DSERR_INVALIDPARAM;
553         }
554 
555         if (writebytes > This->buflen) {
556                 WARN("Invalid parameter, writebytes: %u > buflen: %u\n",
557                      writebytes, This->buflen);
558                 return DSERR_INVALIDPARAM;
559         }
560 
561         /* **** */
562         RtlAcquireResourceShared(&This->lock, TRUE);
563 
564         if (!(This->device->drvdesc.dwFlags & DSDDESC_DONTNEEDSECONDARYLOCK) && This->hwbuf) {
565                 hres = IDsDriverBuffer_Lock(This->hwbuf,
566                                      lplpaudioptr1, audiobytes1,
567                                      lplpaudioptr2, audiobytes2,
568                                      writecursor, writebytes,
569                                      0);
570                 if (hres != DS_OK) {
571                         WARN("IDsDriverBuffer_Lock failed\n");
572                         RtlReleaseResource(&This->lock);
573                         return hres;
574                 }
575         } else {
576                 if (writecursor+writebytes <= This->buflen) {
577                         *(LPBYTE*)lplpaudioptr1 = This->buffer->memory+writecursor;
578                         if (This->sec_mixpos >= writecursor && This->sec_mixpos < writecursor + writebytes && This->state == STATE_PLAYING)
579                                 WARN("Overwriting mixing position, case 1\n");
580                         *audiobytes1 = writebytes;
581                         if (lplpaudioptr2)
582                                 *(LPBYTE*)lplpaudioptr2 = NULL;
583                         if (audiobytes2)
584                                 *audiobytes2 = 0;
585                         TRACE("Locked %p(%i bytes) and %p(%i bytes) writecursor=%d\n",
586                           *(LPBYTE*)lplpaudioptr1, *audiobytes1, lplpaudioptr2 ? *(LPBYTE*)lplpaudioptr2 : NULL, audiobytes2 ? *audiobytes2: 0, writecursor);
587                         TRACE("->%d.0\n",writebytes);
588                 } else {
589                         DWORD remainder = writebytes + writecursor - This->buflen;
590                         *(LPBYTE*)lplpaudioptr1 = This->buffer->memory+writecursor;
591                         *audiobytes1 = This->buflen-writecursor;
592                         if (This->sec_mixpos >= writecursor && This->sec_mixpos < writecursor + writebytes && This->state == STATE_PLAYING)
593                                 WARN("Overwriting mixing position, case 2\n");
594                         if (lplpaudioptr2)
595                                 *(LPBYTE*)lplpaudioptr2 = This->buffer->memory;
596                         if (audiobytes2)
597                                 *audiobytes2 = writebytes-(This->buflen-writecursor);
598                         if (audiobytes2 && This->sec_mixpos < remainder && This->state == STATE_PLAYING)
599                                 WARN("Overwriting mixing position, case 3\n");
600                         TRACE("Locked %p(%i bytes) and %p(%i bytes) writecursor=%d\n", *(LPBYTE*)lplpaudioptr1, *audiobytes1, lplpaudioptr2 ? *(LPBYTE*)lplpaudioptr2 : NULL, audiobytes2 ? *audiobytes2: 0, writecursor);
601                 }
602         }
603 
604         RtlReleaseResource(&This->lock);
605         /* **** */
606 
607         return DS_OK;
608 }
609 
610 static HRESULT WINAPI IDirectSoundBufferImpl_SetCurrentPosition(
611         LPDIRECTSOUNDBUFFER8 iface,DWORD newpos
612 ) {
613         HRESULT hres = DS_OK;
614         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
615         DWORD oldpos;
616         TRACE("(%p,%d)\n",This,newpos);
617 
618         /* **** */
619         RtlAcquireResourceExclusive(&This->lock, TRUE);
620 
621         oldpos = This->sec_mixpos;
622 
623         /* start mixing from this new location instead */
624         newpos %= This->buflen;
625         newpos -= newpos%This->pwfx->nBlockAlign;
626         This->sec_mixpos = newpos;
627 
628         /* at this point, do not attempt to reset buffers, mess with primary mix position,
629            or anything like that to reduce latancy. The data already prebuffered cannot be changed */
630 
631         /* position HW buffer if applicable, else just start mixing from new location instead */
632         if (This->hwbuf) {
633                 hres = IDsDriverBuffer_SetPosition(This->hwbuf, This->buf_mixpos);
634                 if (hres != DS_OK)
635                         WARN("IDsDriverBuffer_SetPosition failed\n");
636         }
637         else if (oldpos != newpos)
638                 /* FIXME: Perhaps add a call to DSOUND_MixToTemporary here? Not sure it's needed */
639                 This->buf_mixpos = DSOUND_secpos_to_bufpos(This, newpos, 0, NULL);
640 
641         RtlReleaseResource(&This->lock);
642         /* **** */
643 
644         return hres;
645 }
646 
647 static HRESULT WINAPI IDirectSoundBufferImpl_SetPan(
648         LPDIRECTSOUNDBUFFER8 iface,LONG pan
649 ) {
650         HRESULT hres = DS_OK;
651         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
652 
653         TRACE("(%p,%d)\n",This,pan);
654 
655         if ((pan > DSBPAN_RIGHT) || (pan < DSBPAN_LEFT)) {
656                 WARN("invalid parameter: pan = %d\n", pan);
657                 return DSERR_INVALIDPARAM;
658         }
659 
660         /* You cannot use both pan and 3D controls */
661         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLPAN) ||
662             (This->dsbd.dwFlags & DSBCAPS_CTRL3D)) {
663                 WARN("control unavailable\n");
664                 return DSERR_CONTROLUNAVAIL;
665         }
666 
667         /* **** */
668         RtlAcquireResourceExclusive(&This->lock, TRUE);
669 
670         if (This->volpan.lPan != pan) {
671                 This->volpan.lPan = pan;
672                 DSOUND_RecalcVolPan(&(This->volpan));
673 
674                 if (This->hwbuf) {
675                         hres = IDsDriverBuffer_SetVolumePan(This->hwbuf, &(This->volpan));
676                         if (hres != DS_OK)
677                                 WARN("IDsDriverBuffer_SetVolumePan failed\n");
678                 }
679         }
680 
681         RtlReleaseResource(&This->lock);
682         /* **** */
683 
684         return hres;
685 }
686 
687 static HRESULT WINAPI IDirectSoundBufferImpl_GetPan(
688         LPDIRECTSOUNDBUFFER8 iface,LPLONG pan
689 ) {
690         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
691         TRACE("(%p,%p)\n",This,pan);
692 
693         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
694                 WARN("control unavailable\n");
695                 return DSERR_CONTROLUNAVAIL;
696         }
697 
698         if (pan == NULL) {
699                 WARN("invalid parameter: pan = NULL\n");
700                 return DSERR_INVALIDPARAM;
701         }
702 
703         *pan = This->volpan.lPan;
704 
705         return DS_OK;
706 }
707 
708 static HRESULT WINAPI IDirectSoundBufferImpl_Unlock(
709         LPDIRECTSOUNDBUFFER8 iface,LPVOID p1,DWORD x1,LPVOID p2,DWORD x2
710 ) {
711         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface, *iter;
712         HRESULT hres = DS_OK;
713 
714         TRACE("(%p,%p,%d,%p,%d)\n", This,p1,x1,p2,x2);
715 
716         /* **** */
717         RtlAcquireResourceShared(&This->lock, TRUE);
718 
719         if (!(This->device->drvdesc.dwFlags & DSDDESC_DONTNEEDSECONDARYLOCK) && This->hwbuf) {
720                 hres = IDsDriverBuffer_Unlock(This->hwbuf, p1, x1, p2, x2);
721                 if (hres != DS_OK)
722                         WARN("IDsDriverBuffer_Unlock failed\n");
723         }
724 
725         RtlReleaseResource(&This->lock);
726         /* **** */
727 
728         if (!p2)
729                 x2 = 0;
730 
731         if (!This->hwbuf && (x1 || x2))
732         {
733                 RtlAcquireResourceShared(&This->device->buffer_list_lock, TRUE);
734                 LIST_FOR_EACH_ENTRY(iter, &This->buffer->buffers, IDirectSoundBufferImpl, entry )
735                 {
736                         RtlAcquireResourceShared(&iter->lock, TRUE);
737                         if (x1)
738                                 DSOUND_MixToTemporary(iter, (DWORD_PTR)p1 - (DWORD_PTR)iter->buffer->memory, x1, FALSE);
739                         if (x2)
740                                 DSOUND_MixToTemporary(iter, 0, x2, FALSE);
741                         RtlReleaseResource(&iter->lock);
742                 }
743                 RtlReleaseResource(&This->device->buffer_list_lock);
744         }
745 
746         return hres;
747 }
748 
749 static HRESULT WINAPI IDirectSoundBufferImpl_Restore(
750         LPDIRECTSOUNDBUFFER8 iface
751 ) {
752         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
753         FIXME("(%p):stub\n",This);
754         return DS_OK;
755 }
756 
757 static HRESULT WINAPI IDirectSoundBufferImpl_GetFrequency(
758         LPDIRECTSOUNDBUFFER8 iface,LPDWORD freq
759 ) {
760         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
761         TRACE("(%p,%p)\n",This,freq);
762 
763         if (freq == NULL) {
764                 WARN("invalid parameter: freq = NULL\n");
765                 return DSERR_INVALIDPARAM;
766         }
767 
768         *freq = This->freq;
769         TRACE("-> %d\n", *freq);
770 
771         return DS_OK;
772 }
773 
774 static HRESULT WINAPI IDirectSoundBufferImpl_SetFX(
775         LPDIRECTSOUNDBUFFER8 iface,DWORD dwEffectsCount,LPDSEFFECTDESC pDSFXDesc,LPDWORD pdwResultCodes
776 ) {
777         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
778         DWORD u;
779 
780         FIXME("(%p,%u,%p,%p): stub\n",This,dwEffectsCount,pDSFXDesc,pdwResultCodes);
781 
782         if (pdwResultCodes)
783                 for (u=0; u<dwEffectsCount; u++) pdwResultCodes[u] = DSFXR_UNKNOWN;
784 
785         WARN("control unavailable\n");
786         return DSERR_CONTROLUNAVAIL;
787 }
788 
789 static HRESULT WINAPI IDirectSoundBufferImpl_AcquireResources(
790         LPDIRECTSOUNDBUFFER8 iface,DWORD dwFlags,DWORD dwEffectsCount,LPDWORD pdwResultCodes
791 ) {
792         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
793         DWORD u;
794 
795         FIXME("(%p,%08u,%u,%p): stub\n",This,dwFlags,dwEffectsCount,pdwResultCodes);
796 
797         if (pdwResultCodes)
798                 for (u=0; u<dwEffectsCount; u++) pdwResultCodes[u] = DSFXR_UNKNOWN;
799 
800         WARN("control unavailable\n");
801         return DSERR_CONTROLUNAVAIL;
802 }
803 
804 static HRESULT WINAPI IDirectSoundBufferImpl_GetObjectInPath(
805         LPDIRECTSOUNDBUFFER8 iface,REFGUID rguidObject,DWORD dwIndex,REFGUID rguidInterface,LPVOID* ppObject
806 ) {
807         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
808 
809         FIXME("(%p,%s,%u,%s,%p): stub\n",This,debugstr_guid(rguidObject),dwIndex,debugstr_guid(rguidInterface),ppObject);
810 
811         WARN("control unavailable\n");
812         return DSERR_CONTROLUNAVAIL;
813 }
814 
815 static HRESULT WINAPI IDirectSoundBufferImpl_Initialize(
816         LPDIRECTSOUNDBUFFER8 iface,LPDIRECTSOUND dsound,LPCDSBUFFERDESC dbsd
817 ) {
818         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
819         WARN("(%p) already initialized\n", This);
820         return DSERR_ALREADYINITIALIZED;
821 }
822 
823 static HRESULT WINAPI IDirectSoundBufferImpl_GetCaps(
824         LPDIRECTSOUNDBUFFER8 iface,LPDSBCAPS caps
825 ) {
826         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
827         TRACE("(%p)->(%p)\n",This,caps);
828 
829         if (caps == NULL) {
830                 WARN("invalid parameter: caps == NULL\n");
831                 return DSERR_INVALIDPARAM;
832         }
833 
834         if (caps->dwSize < sizeof(*caps)) {
835                 WARN("invalid parameter: caps->dwSize = %d\n",caps->dwSize);
836                 return DSERR_INVALIDPARAM;
837         }
838 
839         caps->dwFlags = This->dsbd.dwFlags;
840         if (This->hwbuf) caps->dwFlags |= DSBCAPS_LOCHARDWARE;
841         else caps->dwFlags |= DSBCAPS_LOCSOFTWARE;
842 
843         caps->dwBufferBytes = This->buflen;
844 
845         /* According to windows, this is zero*/
846         caps->dwUnlockTransferRate = 0;
847         caps->dwPlayCpuOverhead = 0;
848