git.oblomov.eu Git - wine/blob - dlls/wineoss.drv/dsrender.c

   1 /*
   2  * Sample Wine Driver for Open Sound System (featured in Linux and FreeBSD)
   3  *
   4  * Copyright 1994 Martin Ayotte
   5  *           1999 Eric Pouech (async playing in waveOut/waveIn)
   6  *           2000 Eric Pouech (loops in waveOut)
   7  *           2002 Eric Pouech (full duplex)
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  22  */
  23
  24 #include "config.h"
  25 #include "wine/port.h"
  26
  27 #include <stdlib.h>
  28 #include <stdarg.h>
  29 #include <stdio.h>
  30 #include <string.h>
  31 #ifdef HAVE_UNISTD_H
  32 # include <unistd.h>
  33 #endif
  34 #include <errno.h>
  35 #include <fcntl.h>
  36 #ifdef HAVE_SYS_IOCTL_H
  37 # include <sys/ioctl.h>
  38 #endif
  39 #ifdef HAVE_SYS_MMAN_H
  40 # include <sys/mman.h>
  41 #endif
  42 #ifdef HAVE_POLL_H
  43 #include <poll.h>
  44 #endif
  45 #ifdef HAVE_SYS_POLL_H
  46 # include <sys/poll.h>
  47 #endif
  48 #if defined(HAVE_SYS_SOUNDCARD_H)
  49 # include <sys/soundcard.h>
  50 #elif defined(HAVE_MACHINE_SOUNDCARD_H)
  51 # include <machine/soundcard.h>
  52 #elif defined(HAVE_SOUNDCARD_H)
  53 # include <soundcard.h>
  54 #endif
  55 #ifdef HAVE_SYS_ERRNO_H
  56 #include <sys/errno.h>
  57 #endif
  58
  59 #include "windef.h"
  60 #include "winbase.h"
  61 #include "wingdi.h"
  62 #include "winuser.h"
  63 #include "winerror.h"
  64 #include "mmddk.h"
  65 #include "mmreg.h"
  66 #include "dsound.h"
  67 #include "dsdriver.h"
  68 #include "wine/debug.h"
  69
  70 #include "audio.h"
  71
  72 WINE_DEFAULT_DEBUG_CHANNEL(wave);
  73
  74 /*======================================================================*
  75  *                  Low level DSOUND definitions                        *
  76  *======================================================================*/
  77
  78 typedef struct IDsDriverPropertySetImpl IDsDriverPropertySetImpl;
  79 typedef struct IDsDriverNotifyImpl IDsDriverNotifyImpl;
  80 typedef struct IDsDriverImpl IDsDriverImpl;
  81 typedef struct IDsDriverBufferImpl IDsDriverBufferImpl;
  82
  83 struct IDsDriverPropertySetImpl
  84 {
  85     /* IUnknown fields */
  86     const IDsDriverPropertySetVtbl *lpVtbl;
  87     LONG                        ref;
  88
  89     IDsDriverBufferImpl*        buffer;
  90 };
  91
  92 struct IDsDriverNotifyImpl
  93 {
  94     /* IUnknown fields */
  95     const IDsDriverNotifyVtbl  *lpVtbl;
  96     LONG                        ref;
  97
  98     /* IDsDriverNotifyImpl fields */
  99     LPDSBPOSITIONNOTIFY         notifies;
 100     int                         nrofnotifies;
 101
 102     IDsDriverBufferImpl*        buffer;
 103 };
 104
 105 struct IDsDriverImpl
 106 {
 107     /* IUnknown fields */
 108     const IDsDriverVtbl        *lpVtbl;
 109     LONG                        ref;
 110
 111     /* IDsDriverImpl fields */
 112     UINT                        wDevID;
 113     IDsDriverBufferImpl*        primary;
 114
 115     int                         nrofsecondaries;
 116     IDsDriverBufferImpl**       secondaries;
 117 };
 118
 119 struct IDsDriverBufferImpl
 120 {
 121     /* IUnknown fields */
 122     const IDsDriverBufferVtbl  *lpVtbl;
 123     LONG                        ref;
 124
 125     /* IDsDriverBufferImpl fields */
 126     IDsDriverImpl*              drv;
 127     DWORD                       buflen;
 128     WAVEFORMATPCMEX             wfex;
 129     LPBYTE                      mapping;
 130     DWORD                       maplen;
 131     int                         fd;
 132     DWORD                       dwFlags;
 133
 134     /* IDsDriverNotifyImpl fields */
 135     IDsDriverNotifyImpl*        notify;
 136     int                         notify_index;
 137
 138     /* IDsDriverPropertySetImpl fields */
 139     IDsDriverPropertySetImpl*   property_set;
 140 };
 141
 142 static HRESULT IDsDriverPropertySetImpl_Create(
 143     IDsDriverBufferImpl * dsdb,
 144     IDsDriverPropertySetImpl **pdsdps);
 145
 146 static HRESULT IDsDriverNotifyImpl_Create(
 147     IDsDriverBufferImpl * dsdb,
 148     IDsDriverNotifyImpl **pdsdn);
 149
 150 /*======================================================================*
 151  *                  Low level DSOUND property set implementation        *
 152  *======================================================================*/
 153
 154 static HRESULT WINAPI IDsDriverPropertySetImpl_QueryInterface(
 155     PIDSDRIVERPROPERTYSET iface,
 156     REFIID riid,
 157     LPVOID *ppobj)
 158 {
 159     IDsDriverPropertySetImpl *This = (IDsDriverPropertySetImpl *)iface;
 160     TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
 161
 162     if ( IsEqualGUID(riid, &IID_IUnknown) ||
 163          IsEqualGUID(riid, &IID_IDsDriverPropertySet) ) {
 164         IDsDriverPropertySet_AddRef(iface);
 165         *ppobj = This;
 166         return DS_OK;
 167     }
 168
 169     FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
 170
 171     *ppobj = 0;
 172     return E_NOINTERFACE;
 173 }
 174
 175 static ULONG WINAPI IDsDriverPropertySetImpl_AddRef(PIDSDRIVERPROPERTYSET iface)
 176 {
 177     IDsDriverPropertySetImpl *This = (IDsDriverPropertySetImpl *)iface;
 178     ULONG refCount = InterlockedIncrement(&This->ref);
 179
 180     TRACE("(%p) ref was %d\n", This, refCount - 1);
 181
 182     return refCount;
 183 }
 184
 185 static ULONG WINAPI IDsDriverPropertySetImpl_Release(PIDSDRIVERPROPERTYSET iface)
 186 {
 187     IDsDriverPropertySetImpl *This = (IDsDriverPropertySetImpl *)iface;
 188     ULONG refCount = InterlockedDecrement(&This->ref);
 189
 190     TRACE("(%p) ref was %d\n", This, refCount + 1);
 191
 192     if (!refCount) {
 193         IDsDriverBuffer_Release((PIDSDRIVERBUFFER)This->buffer);
 194         HeapFree(GetProcessHeap(),0,This);
 195         TRACE("(%p) released\n",This);
 196     }
 197     return refCount;
 198 }
 199
 200 static HRESULT WINAPI IDsDriverPropertySetImpl_Get(
 201     PIDSDRIVERPROPERTYSET iface,
 202     PDSPROPERTY pDsProperty,
 203     LPVOID pPropertyParams,
 204     ULONG cbPropertyParams,
 205     LPVOID pPropertyData,
 206     ULONG cbPropertyData,
 207     PULONG pcbReturnedData )
 208 {
 209     IDsDriverPropertySetImpl *This = (IDsDriverPropertySetImpl *)iface;
 210     FIXME("(%p,%p,%p,%x,%p,%x,%p)\n",This,pDsProperty,pPropertyParams,cbPropertyParams,pPropertyData,cbPropertyData,pcbReturnedData);
 211     return DSERR_UNSUPPORTED;
 212 }
 213
 214 static HRESULT WINAPI IDsDriverPropertySetImpl_Set(
 215     PIDSDRIVERPROPERTYSET iface,
 216     PDSPROPERTY pDsProperty,
 217     LPVOID pPropertyParams,
 218     ULONG cbPropertyParams,
 219     LPVOID pPropertyData,
 220     ULONG cbPropertyData )
 221 {
 222     IDsDriverPropertySetImpl *This = (IDsDriverPropertySetImpl *)iface;
 223     FIXME("(%p,%p,%p,%x,%p,%x)\n",This,pDsProperty,pPropertyParams,cbPropertyParams,pPropertyData,cbPropertyData);
 224     return DSERR_UNSUPPORTED;
 225 }
 226
 227 static HRESULT WINAPI IDsDriverPropertySetImpl_QuerySupport(
 228     PIDSDRIVERPROPERTYSET iface,
 229     REFGUID PropertySetId,
 230     ULONG PropertyId,
 231     PULONG pSupport )
 232 {
 233     IDsDriverPropertySetImpl *This = (IDsDriverPropertySetImpl *)iface;
 234     FIXME("(%p,%s,%x,%p)\n",This,debugstr_guid(PropertySetId),PropertyId,pSupport);
 235     return DSERR_UNSUPPORTED;
 236 }
 237
 238 static const IDsDriverPropertySetVtbl dsdpsvt =
 239 {
 240     IDsDriverPropertySetImpl_QueryInterface,
 241     IDsDriverPropertySetImpl_AddRef,
 242     IDsDriverPropertySetImpl_Release,
 243     IDsDriverPropertySetImpl_Get,
 244     IDsDriverPropertySetImpl_Set,
 245     IDsDriverPropertySetImpl_QuerySupport,
 246 };
 247
 248 /*======================================================================*
 249  *                  Low level DSOUND notify implementation              *
 250  *======================================================================*/
 251
 252 static HRESULT WINAPI IDsDriverNotifyImpl_QueryInterface(
 253     PIDSDRIVERNOTIFY iface,
 254     REFIID riid,
 255     LPVOID *ppobj)
 256 {
 257     IDsDriverNotifyImpl *This = (IDsDriverNotifyImpl *)iface;
 258     TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
 259
 260     if ( IsEqualGUID(riid, &IID_IUnknown) ||
 261          IsEqualGUID(riid, &IID_IDsDriverNotify) ) {
 262         IDsDriverNotify_AddRef(iface);
 263         *ppobj = This;
 264         return DS_OK;
 265     }
 266
 267     FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
 268
 269     *ppobj = 0;
 270     return E_NOINTERFACE;
 271 }
 272
 273 static ULONG WINAPI IDsDriverNotifyImpl_AddRef(PIDSDRIVERNOTIFY iface)
 274 {
 275     IDsDriverNotifyImpl *This = (IDsDriverNotifyImpl *)iface;
 276     ULONG refCount = InterlockedIncrement(&This->ref);
 277
 278     TRACE("(%p) ref was %d\n", This, refCount - 1);
 279
 280     return refCount;
 281 }
 282
 283 static ULONG WINAPI IDsDriverNotifyImpl_Release(PIDSDRIVERNOTIFY iface)
 284 {
 285     IDsDriverNotifyImpl *This = (IDsDriverNotifyImpl *)iface;
 286     ULONG refCount = InterlockedDecrement(&This->ref);
 287
 288     TRACE("(%p) ref was %d\n", This, refCount + 1);
 289
 290     if (!refCount) {
 291         IDsDriverBuffer_Release((PIDSDRIVERBUFFER)This->buffer);
 292         HeapFree(GetProcessHeap(), 0, This->notifies);
 293         HeapFree(GetProcessHeap(),0,This);
 294         TRACE("(%p) released\n",This);
 295     }
 296     return refCount;
 297 }
 298
 299 static HRESULT WINAPI IDsDriverNotifyImpl_SetNotificationPositions(
 300     PIDSDRIVERNOTIFY iface,
 301     DWORD howmuch,
 302     LPCDSBPOSITIONNOTIFY notify)
 303 {
 304     IDsDriverNotifyImpl *This = (IDsDriverNotifyImpl *)iface;
 305     TRACE("(%p,0x%08x,%p)\n",This,howmuch,notify);
 306
 307     if (!notify) {
 308         WARN("invalid parameter\n");
 309         return DSERR_INVALIDPARAM;
 310     }
 311
 312     if (TRACE_ON(wave)) {
 313         DWORD i;
 314         for (i=0;i<howmuch;i++)
 315             TRACE("notify at %d to 0x%08lx\n",
 316                 notify[i].dwOffset,(DWORD_PTR)notify[i].hEventNotify);
 317     }
 318
 319     /* Make an internal copy of the caller-supplied array.
 320      * Replace the existing copy if one is already present. */
 321     if (This->notifies)
 322         This->notifies = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 323         This->notifies, howmuch * sizeof(DSBPOSITIONNOTIFY));
 324     else
 325         This->notifies = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 326         howmuch * sizeof(DSBPOSITIONNOTIFY));
 327
 328     memcpy(This->notifies, notify, howmuch * sizeof(DSBPOSITIONNOTIFY));
 329     This->nrofnotifies = howmuch;
 330
 331     return S_OK;
 332 }
 333
 334 static const IDsDriverNotifyVtbl dsdnvt =
 335 {
 336     IDsDriverNotifyImpl_QueryInterface,
 337     IDsDriverNotifyImpl_AddRef,
 338     IDsDriverNotifyImpl_Release,
 339     IDsDriverNotifyImpl_SetNotificationPositions,
 340 };
 341
 342 /*======================================================================*
 343  *                  Low level DSOUND implementation                     *
 344  *======================================================================*/
 345
 346 static HRESULT DSDB_MapBuffer(IDsDriverBufferImpl *dsdb)
 347 {
 348     TRACE("(%p), format=%dx%dx%d\n", dsdb, dsdb->wfex.Format.nSamplesPerSec,
 349           dsdb->wfex.Format.wBitsPerSample, dsdb->wfex.Format.nChannels);
 350     if (!dsdb->mapping) {
 351         dsdb->mapping = mmap(NULL, dsdb->maplen, PROT_WRITE, MAP_SHARED,
 352                              dsdb->fd, 0);
 353         if (dsdb->mapping == (LPBYTE)-1) {
 354             WARN("Could not map sound device for direct access (%s)\n", strerror(errno));
 355             return DSERR_GENERIC;
 356         }
 357         TRACE("The sound device has been mapped for direct access at %p, size=%d\n", dsdb->mapping, dsdb->maplen);
 358
 359         /* for some reason, es1371 and sblive! sometimes have junk in here.
 360          * clear it, or we get junk noise */
 361         /* some libc implementations are buggy: their memset reads from the buffer...
 362          * to work around it, we have to zero the block by hand. We don't do the expected:
 363          * memset(dsdb->mapping,0, dsdb->maplen);
 364          */
 365         {
 366             unsigned char*      p1 = dsdb->mapping;
 367             unsigned            len = dsdb->maplen;
 368             unsigned char       silence = (dsdb->wfex.Format.wBitsPerSample == 8) ? 128 : 0;
 369             unsigned long       ulsilence = (dsdb->wfex.Format.wBitsPerSample == 8) ? 0x80808080 : 0;
 370
 371             if (len >= 16) /* so we can have at least a 4 long area to store... */
 372             {
 373                 /* the mmap:ed value is (at least) dword aligned
 374                  * so, start filling the complete unsigned long:s
 375                  */
 376                 int             b = len >> 2;
 377                 unsigned long*  p4 = (unsigned long*)p1;
 378
 379                 while (b--) *p4++ = ulsilence;
 380                 /* prepare for filling the rest */
 381                 len &= 3;
 382                 p1 = (unsigned char*)p4;
 383             }
 384             /* in all cases, fill the remaining bytes */
 385             while (len-- != 0) *p1++ = silence;
 386         }
 387     }
 388     return DS_OK;
 389 }
 390
 391 static HRESULT DSDB_UnmapBuffer(IDsDriverBufferImpl *dsdb)
 392 {
 393     TRACE("(%p)\n",dsdb);
 394     if (dsdb->mapping) {
 395         if (munmap(dsdb->mapping, dsdb->maplen) < 0) {
 396             ERR("(%p): Could not unmap sound device (%s)\n", dsdb, strerror(errno));
 397             return DSERR_GENERIC;
 398         }
 399         dsdb->mapping = NULL;
 400         TRACE("(%p): sound device unmapped\n", dsdb);
 401     }
 402     return DS_OK;
 403 }
 404
 405 static HRESULT WINAPI IDsDriverBufferImpl_QueryInterface(PIDSDRIVERBUFFER iface, REFIID riid, LPVOID *ppobj)
 406 {
 407     IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface;
 408     TRACE("(%p,%s,%p)\n",iface,debugstr_guid(riid),*ppobj);
 409
 410     if ( IsEqualGUID(riid, &IID_IUnknown) ||
 411          IsEqualGUID(riid, &IID_IDsDriverBuffer) ) {
 412         IDsDriverBuffer_AddRef(iface);
 413         *ppobj = This;
 414         return DS_OK;
 415     }
 416
 417     if ( IsEqualGUID( &IID_IDsDriverNotify, riid ) ) {
 418         if (!This->notify)
 419             IDsDriverNotifyImpl_Create(This, &(This->notify));
 420         if (This->notify) {
 421             IDsDriverNotify_AddRef((PIDSDRIVERNOTIFY)This->notify);
 422             *ppobj = This->notify;
 423             return DS_OK;
 424         }
 425         *ppobj = 0;
 426         return E_FAIL;
 427     }
 428
 429     if ( IsEqualGUID( &IID_IDsDriverPropertySet, riid ) ) {
 430         if (!This->property_set)
 431             IDsDriverPropertySetImpl_Create(This, &(This->property_set));
 432         if (This->property_set) {
 433             IDsDriverPropertySet_AddRef((PIDSDRIVERPROPERTYSET)This->property_set);
 434             *ppobj = This->property_set;
 435             return DS_OK;
 436         }
 437         *ppobj = 0;
 438         return E_FAIL;
 439     }
 440
 441     FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
 442
 443     *ppobj = 0;
 444
 445     return E_NOINTERFACE;
 446 }
 447
 448 static ULONG WINAPI IDsDriverBufferImpl_AddRef(PIDSDRIVERBUFFER iface)
 449 {
 450     IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface;
 451     ULONG refCount = InterlockedIncrement(&This->ref);
 452
 453     TRACE("(%p) ref was %d\n", This, refCount - 1);
 454
 455     return refCount;
 456 }
 457
 458 static ULONG WINAPI IDsDriverBufferImpl_Release(PIDSDRIVERBUFFER iface)
 459 {
 460     IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface;
 461     ULONG refCount = InterlockedDecrement(&This->ref);
 462
 463     TRACE("(%p) ref was %d\n", This, refCount + 1);
 464
 465     if (refCount)
 466         return refCount;
 467
 468     if (This == This->drv->primary)
 469         This->drv->primary = NULL;
 470     else {
 471         int i;
 472         for (i = 0; i < This->drv->nrofsecondaries; i++)
 473             if (This->drv->secondaries[i] == This)
 474                 break;
 475         if (i < This->drv->nrofsecondaries) {
 476             /* Put the last buffer of the list in the (now empty) position */
 477             This->drv->secondaries[i] = This->drv->secondaries[This->drv->nrofsecondaries - 1];
 478             This->drv->nrofsecondaries--;
 479             This->drv->secondaries = HeapReAlloc(GetProcessHeap(),0,
 480                 This->drv->secondaries,
 481                 sizeof(PIDSDRIVERBUFFER)*This->drv->nrofsecondaries);
 482             TRACE("(%p) buffer count is now %d\n", This, This->drv->nrofsecondaries);
 483         }
 484
 485         WOutDev[This->drv->wDevID].ossdev.ds_caps.dwFreeHwMixingAllBuffers++;
 486         WOutDev[This->drv->wDevID].ossdev.ds_caps.dwFreeHwMixingStreamingBuffers++;
 487     }
 488
 489     DSDB_UnmapBuffer(This);
 490     HeapFree(GetProcessHeap(),0,This);
 491     TRACE("(%p) released\n",This);
 492     return 0;
 493 }
 494
 495 static HRESULT WINAPI IDsDriverBufferImpl_Lock(PIDSDRIVERBUFFER iface,
 496                                                LPVOID*ppvAudio1,LPDWORD pdwLen1,
 497                                                LPVOID*ppvAudio2,LPDWORD pdwLen2,
 498                                                DWORD dwWritePosition,DWORD dwWriteLen,
 499                                                DWORD dwFlags)
 500 {
 501     /* IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface; */
 502     /* since we (GetDriverDesc flags) have specified DSDDESC_DONTNEEDPRIMARYLOCK,
 503      * and that we don't support secondary buffers, this method will never be called */
 504     TRACE("(%p): stub\n",iface);
 505     return DSERR_UNSUPPORTED;
 506 }
 507
 508 static HRESULT WINAPI IDsDriverBufferImpl_Unlock(PIDSDRIVERBUFFER iface,
 509                                                  LPVOID pvAudio1,DWORD dwLen1,
 510                                                  LPVOID pvAudio2,DWORD dwLen2)
 511 {
 512     /* IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface; */
 513     TRACE("(%p): stub\n",iface);
 514     return DSERR_UNSUPPORTED;
 515 }
 516
 517 static HRESULT WINAPI IDsDriverBufferImpl_SetFormat(PIDSDRIVERBUFFER iface,
 518                                                     LPWAVEFORMATEX pwfx)
 519 {
 520     /* IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface; */
 521
 522     TRACE("(%p,%p)\n",iface,pwfx);
 523     /* On our request (GetDriverDesc flags), DirectSound has by now used
 524      * waveOutClose/waveOutOpen to set the format...
 525      * unfortunately, this means our mmap() is now gone...
 526      * so we need to somehow signal to our DirectSound implementation
 527      * that it should completely recreate this HW buffer...
 528      * this unexpected error code should do the trick... */
 529     return DSERR_BUFFERLOST;
 530 }
 531
 532 static HRESULT WINAPI IDsDriverBufferImpl_SetFrequency(PIDSDRIVERBUFFER iface, DWORD dwFreq)
 533 {
 534     /* IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface; */
 535     TRACE("(%p,%d): stub\n",iface,dwFreq);
 536     return DSERR_UNSUPPORTED;
 537 }
 538
 539 static HRESULT WINAPI IDsDriverBufferImpl_SetVolumePan(PIDSDRIVERBUFFER iface, PDSVOLUMEPAN pVolPan)
 540 {
 541     DWORD vol;
 542     IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface;
 543     TRACE("(%p,%p)\n",This,pVolPan);
 544
 545     vol = pVolPan->dwTotalLeftAmpFactor | (pVolPan->dwTotalRightAmpFactor << 16);
 546
 547     if (wodSetVolume(This->drv->wDevID, vol) != MMSYSERR_NOERROR) {
 548         WARN("wodSetVolume failed\n");
 549         return DSERR_INVALIDPARAM;
 550     }
 551
 552     return DS_OK;
 553 }
 554
 555 static HRESULT WINAPI IDsDriverBufferImpl_SetPosition(PIDSDRIVERBUFFER iface, DWORD dwNewPos)
 556 {
 557     /* IDsDriverImpl *This = (IDsDriverImpl *)iface; */
 558     TRACE("(%p,%d): stub\n",iface,dwNewPos);
 559     return DSERR_UNSUPPORTED;
 560 }
 561
 562 static HRESULT WINAPI IDsDriverBufferImpl_GetPosition(PIDSDRIVERBUFFER iface,
 563                                                       LPDWORD lpdwPlay, LPDWORD lpdwWrite)
 564 {
 565     IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface;
 566     count_info info;
 567     DWORD ptr;
 568
 569     TRACE("(%p)\n",iface);
 570     if (WOutDev[This->drv->wDevID].state == WINE_WS_CLOSED) {
 571         ERR("device not open, but accessing?\n");
 572         return DSERR_UNINITIALIZED;
 573     }
 574     if (ioctl(This->fd, SNDCTL_DSP_GETOPTR, &info) < 0) {
 575         ERR("ioctl(%s, SNDCTL_DSP_GETOPTR) failed (%s)\n",
 576             WOutDev[This->drv->wDevID].ossdev.dev_name, strerror(errno));
 577         return DSERR_GENERIC;
 578     }
 579     ptr = info.ptr & ~3; /* align the pointer, just in case */
 580     if (lpdwPlay) *lpdwPlay = ptr;
 581     if (lpdwWrite) {
 582         /* add some safety margin (not strictly necessary, but...) */
 583         if (WOutDev[This->drv->wDevID].ossdev.duplex_out_caps.dwSupport & WAVECAPS_SAMPLEACCURATE)
 584             *lpdwWrite = ptr + 32;
 585         else
 586             *lpdwWrite = ptr + WOutDev[This->drv->wDevID].dwFragmentSize;
 587         while (*lpdwWrite >= This->buflen)
 588             *lpdwWrite -= This->buflen;
 589     }
 590     TRACE("playpos=%d, writepos=%d\n", lpdwPlay?*lpdwPlay:0, lpdwWrite?*lpdwWrite:0);
 591     return DS_OK;
 592 }
 593
 594 static HRESULT WINAPI IDsDriverBufferImpl_Play(PIDSDRIVERBUFFER iface, DWORD dwRes1, DWORD dwRes2, DWORD dwFlags)
 595 {
 596     IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface;
 597     int enable;
 598     TRACE("(%p,%x,%x,%x)\n",iface,dwRes1,dwRes2,dwFlags);
 599     WOutDev[This->drv->wDevID].ossdev.bOutputEnabled = TRUE;
 600     enable = getEnables(&WOutDev[This->drv->wDevID].ossdev);
 601     if (ioctl(This->fd, SNDCTL_DSP_SETTRIGGER, &enable) < 0) {
 602         if (errno == EINVAL) {
 603             /* Don't give up yet. OSS trigger support is inconsistent. */
 604             if (WOutDev[This->drv->wDevID].ossdev.open_count == 1) {
 605                 /* try the opposite input enable */
 606                 if (WOutDev[This->drv->wDevID].ossdev.bInputEnabled == FALSE)
 607                     WOutDev[This->drv->wDevID].ossdev.bInputEnabled = TRUE;
 608                 else
 609                     WOutDev[This->drv->wDevID].ossdev.bInputEnabled = FALSE;
 610                 /* try it again */
 611                 enable = getEnables(&WOutDev[This->drv->wDevID].ossdev);
 612                 if (ioctl(This->fd, SNDCTL_DSP_SETTRIGGER, &enable) >= 0)
 613                     return DS_OK;
 614             }
 615         }
 616         ERR("ioctl(%s, SNDCTL_DSP_SETTRIGGER) failed (%s)\n",
 617             WOutDev[This->drv->wDevID].ossdev.dev_name, strerror(errno));
 618         WOutDev[This->drv->wDevID].ossdev.bOutputEnabled = FALSE;
 619         return DSERR_GENERIC;
 620     }
 621     return DS_OK;
 622 }
 623
 624 static HRESULT WINAPI IDsDriverBufferImpl_Stop(PIDSDRIVERBUFFER iface)
 625 {
 626     IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface;
 627     int enable;
 628     TRACE("(%p)\n",iface);
 629     /* no more playing */
 630     WOutDev[This->drv->wDevID].ossdev.bOutputEnabled = FALSE;
 631     enable = getEnables(&WOutDev[This->drv->wDevID].ossdev);
 632     if (ioctl(This->fd, SNDCTL_DSP_SETTRIGGER, &enable) < 0) {
 633         ERR("ioctl(%s, SNDCTL_DSP_SETTRIGGER) failed (%s)\n", WOutDev[This->drv->wDevID].ossdev.dev_name, strerror(errno));
 634         return DSERR_GENERIC;
 635     }
 636 #if 0
 637     /* the play position must be reset to the beginning of the buffer */
 638     if (ioctl(This->fd, SNDCTL_DSP_RESET, 0) < 0) {
 639         ERR("ioctl(%s, SNDCTL_DSP_RESET) failed (%s)\n", WOutDev[This->drv->wDevID].ossdev.dev_name, strerror(errno));
 640         return DSERR_GENERIC;
 641     }
 642 #endif
 643     /* Most OSS drivers just can't stop the playback without closing the device...
 644      * so we need to somehow signal to our DirectSound implementation
 645      * that it should completely recreate this HW buffer...
 646      * this unexpected error code should do the trick... */
 647     /* FIXME: ...unless we are doing full duplex, then it's not nice to close the device */
 648     if (WOutDev[This->drv->wDevID].ossdev.open_count == 1)
 649         return DSERR_BUFFERLOST;
 650
 651     return DS_OK;
 652 }
 653
 654 static const IDsDriverBufferVtbl dsdbvt =
 655 {
 656     IDsDriverBufferImpl_QueryInterface,
 657     IDsDriverBufferImpl_AddRef,
 658     IDsDriverBufferImpl_Release,
 659     IDsDriverBufferImpl_Lock,
 660     IDsDriverBufferImpl_Unlock,
 661     IDsDriverBufferImpl_SetFormat,
 662     IDsDriverBufferImpl_SetFrequency,
 663     IDsDriverBufferImpl_SetVolumePan,
 664     IDsDriverBufferImpl_SetPosition,
 665     IDsDriverBufferImpl_GetPosition,
 666     IDsDriverBufferImpl_Play,
 667     IDsDriverBufferImpl_Stop
 668 };
 669
 670 static HRESULT WINAPI IDsDriverImpl_QueryInterface(PIDSDRIVER iface, REFIID riid, LPVOID *ppobj)
 671 {
 672     IDsDriverImpl *This = (IDsDriverImpl *)iface;
 673     TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
 674
 675     if ( IsEqualGUID(riid, &IID_IUnknown) ||
 676          IsEqualGUID(riid, &IID_IDsDriver) ) {
 677         IDsDriver_AddRef(iface);
 678         *ppobj = This;
 679         return DS_OK;
 680     }
 681
 682     FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
 683
 684     *ppobj = 0;
 685
 686     return E_NOINTERFACE;
 687 }
 688
 689 static ULONG WINAPI IDsDriverImpl_AddRef(PIDSDRIVER iface)
 690 {
 691     IDsDriverImpl *This = (IDsDriverImpl *)iface;
 692     ULONG refCount = InterlockedIncrement(&This->ref);
 693
 694     TRACE("(%p) ref was %d\n", This, refCount - 1);
 695
 696     return refCount;
 697 }
 698
 699 static ULONG WINAPI IDsDriverImpl_Release(PIDSDRIVER iface)
 700 {
 701     IDsDriverImpl *This = (IDsDriverImpl *)iface;
 702     ULONG refCount = InterlockedDecrement(&This->ref);
 703
 704     TRACE("(%p) ref was %d\n", This, refCount + 1);
 705
 706     if (!refCount) {
 707         HeapFree(GetProcessHeap(),0,This);
 708         TRACE("(%p) released\n",This);
 709     }
 710     return refCount;
 711 }
 712
 713 static HRESULT WINAPI IDsDriverImpl_GetDriverDesc(PIDSDRIVER iface,
 714                                                   PDSDRIVERDESC pDesc)
 715 {
 716     IDsDriverImpl *This = (IDsDriverImpl *)iface;
 717     TRACE("(%p,%p)\n",iface,pDesc);
 718
 719     /* copy version from driver */
 720     *pDesc = WOutDev[This->wDevID].ossdev.ds_desc;
 721
 722     pDesc->dwFlags |= DSDDESC_DOMMSYSTEMOPEN | DSDDESC_DOMMSYSTEMSETFORMAT |
 723         DSDDESC_USESYSTEMMEMORY | DSDDESC_DONTNEEDPRIMARYLOCK |
 724         DSDDESC_DONTNEEDSECONDARYLOCK;
 725     pDesc->dnDevNode            = WOutDev[This->wDevID].waveDesc.dnDevNode;
 726     pDesc->wVxdId               = 0;
 727     pDesc->wReserved            = 0;
 728     pDesc->ulDeviceNum          = This->wDevID;
 729     pDesc->dwHeapType           = DSDHEAP_NOHEAP;
 730     pDesc->pvDirectDrawHeap     = NULL;
 731     pDesc->dwMemStartAddress    = 0;
 732     pDesc->dwMemEndAddress      = 0;
 733     pDesc->dwMemAllocExtra      = 0;
 734     pDesc->pvReserved1          = NULL;
 735     pDesc->pvReserved2          = NULL;
 736     return DS_OK;
 737 }
 738
 739 static HRESULT WINAPI IDsDriverImpl_Open(PIDSDRIVER iface)
 740 {
 741     IDsDriverImpl *This = (IDsDriverImpl *)iface;
 742     int enable;
 743     TRACE("(%p)\n",iface);
 744
 745     /* make sure the card doesn't start playing before we want it to */
 746     WOutDev[This->wDevID].ossdev.bOutputEnabled = FALSE;
 747     WOutDev[This->wDevID].ossdev.bInputEnabled = FALSE;
 748     enable = getEnables(&WOutDev[This->wDevID].ossdev);
 749     if (ioctl(WOutDev[This->wDevID].ossdev.fd, SNDCTL_DSP_SETTRIGGER, &enable) < 0) {
 750         ERR("ioctl(%s, SNDCTL_DSP_SETTRIGGER) failed (%s)\n",WOutDev[This->wDevID].ossdev.dev_name, strerror(errno));
 751         return DSERR_GENERIC;
 752     }
 753     return DS_OK;
 754 }
 755
 756 static HRESULT WINAPI IDsDriverImpl_Close(PIDSDRIVER iface)
 757 {
 758     IDsDriverImpl *This = (IDsDriverImpl *)iface;
 759     TRACE("(%p)\n",iface);
 760     if (This->primary) {
 761         ERR("problem with DirectSound: primary not released\n");
 762         return DSERR_GENERIC;
 763     }
 764     return DS_OK;
 765 }
 766
 767 static HRESULT WINAPI IDsDriverImpl_GetCaps(PIDSDRIVER iface, PDSDRIVERCAPS pCaps)
 768 {
 769     IDsDriverImpl *This = (IDsDriverImpl *)iface;
 770     TRACE("(%p,%p)\n",iface,pCaps);
 771     *pCaps = WOutDev[This->wDevID].ossdev.ds_caps;
 772     return DS_OK;
 773 }
 774
 775 static HRESULT DSD_CreatePrimaryBuffer(PIDSDRIVER iface,
 776                                        LPWAVEFORMATEX pwfx,
 777                                        DWORD dwFlags,
 778                                        DWORD dwCardAddress,
 779                                        LPDWORD pdwcbBufferSize,
 780                                        LPBYTE *ppbBuffer,
 781                                        LPVOID *ppvObj)
 782 {
 783     IDsDriverImpl *This = (IDsDriverImpl *)iface;
 784     IDsDriverBufferImpl** ippdsdb = (IDsDriverBufferImpl**)ppvObj;
 785     HRESULT err;
 786     audio_buf_info info;
 787     int enable = 0;
 788     TRACE("(%p,%p,%x,%x,%p,%p,%p)\n",iface,pwfx,dwFlags,dwCardAddress,pdwcbBufferSize,ppbBuffer,ppvObj);
 789
 790     if (This->primary)
 791         return DSERR_ALLOCATED;
 792     if (dwFlags & (DSBCAPS_CTRLFREQUENCY | DSBCAPS_CTRLPAN))
 793         return DSERR_CONTROLUNAVAIL;
 794
 795     *ippdsdb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(IDsDriverBufferImpl));
 796     if (*ippdsdb == NULL)
 797         return DSERR_OUTOFMEMORY;
 798     (*ippdsdb)->lpVtbl  = &dsdbvt;
 799     (*ippdsdb)->ref     = 1;
 800     (*ippdsdb)->drv     = This;
 801     copy_format(pwfx, &(*ippdsdb)->wfex);
 802     (*ippdsdb)->fd      = WOutDev[This->wDevID].ossdev.fd;
 803     (*ippdsdb)->dwFlags = dwFlags;
 804
 805     /* check how big the DMA buffer is now */
 806     if (ioctl((*ippdsdb)->fd, SNDCTL_DSP_GETOSPACE, &info) < 0) {
 807         ERR("ioctl(%s, SNDCTL_DSP_GETOSPACE) failed (%s)\n",
 808             WOutDev[This->wDevID].ossdev.dev_name, strerror(errno));
 809         HeapFree(GetProcessHeap(),0,*ippdsdb);
 810         *ippdsdb = NULL;
 811         return DSERR_GENERIC;
 812     }
 813     (*ippdsdb)->maplen = (*ippdsdb)->buflen = info.fragstotal * info.fragsize;
 814
 815     /* map the DMA buffer */
 816     err = DSDB_MapBuffer(*ippdsdb);
 817     if (err != DS_OK) {
 818         HeapFree(GetProcessHeap(),0,*ippdsdb);
 819         *ippdsdb = NULL;
 820         return err;
 821     }
 822
 823     /* primary buffer is ready to go */
 824     *pdwcbBufferSize    = (*ippdsdb)->maplen;
 825     *ppbBuffer          = (*ippdsdb)->mapping;
 826
 827     /* some drivers need some extra nudging after mapping */
 828     WOutDev[This->wDevID].ossdev.bInputEnabled = FALSE;
 829     WOutDev[This->wDevID].ossdev.bOutputEnabled = FALSE;
 830     enable = getEnables(&WOutDev[This->wDevID].ossdev);
 831     if (ioctl((*ippdsdb)->fd, SNDCTL_DSP_SETTRIGGER, &enable) < 0) {
 832         ERR("ioctl(%s, SNDCTL_DSP_SETTRIGGER) failed (%s)\n",
 833             WOutDev[This->wDevID].ossdev.dev_name, strerror(errno));
 834         return DSERR_GENERIC;
 835     }
 836
 837     This->primary = *ippdsdb;
 838
 839     return DS_OK;
 840 }
 841
 842 static HRESULT DSD_CreateSecondaryBuffer(PIDSDRIVER iface,
 843                                          LPWAVEFORMATEX pwfx,
 844                                          DWORD dwFlags,
 845                                          DWORD dwCardAddress,
 846                                          LPDWORD pdwcbBufferSize,
 847                                          LPBYTE *ppbBuffer,
 848                                          LPVOID *ppvObj)
 849 {
 850     IDsDriverImpl *This = (IDsDriverImpl *)iface;
 851     IDsDriverBufferImpl** ippdsdb = (IDsDriverBufferImpl**)ppvObj;
 852     FIXME("(%p,%p,%x,%x,%p,%p,%p): stub\n",This,pwfx,dwFlags,dwCardAddress,pdwcbBufferSize,ppbBuffer,ppvObj);
 853
 854     *ippdsdb = 0;
 855     return DSERR_UNSUPPORTED;
 856 }
 857
 858 static HRESULT WINAPI IDsDriverImpl_CreateSoundBuffer(PIDSDRIVER iface,
 859                                                       LPWAVEFORMATEX pwfx,
 860                                                       DWORD dwFlags,
 861                                                       DWORD dwCardAddress,
 862                                                       LPDWORD pdwcbBufferSize,
 863                                                       LPBYTE *ppbBuffer,
 864                                                       LPVOID *ppvObj)
 865 {
 866     TRACE("(%p,%p,%x,%x,%p,%p,%p)\n",iface,pwfx,dwFlags,dwCardAddress,pdwcbBufferSize,ppbBuffer,ppvObj);
 867
 868     if (dwFlags & DSBCAPS_PRIMARYBUFFER)
 869         return DSD_CreatePrimaryBuffer(iface,pwfx,dwFlags,dwCardAddress,pdwcbBufferSize,ppbBuffer,ppvObj);
 870
 871     return DSD_CreateSecondaryBuffer(iface,pwfx,dwFlags,dwCardAddress,pdwcbBufferSize,ppbBuffer,ppvObj);
 872 }
 873
 874 static HRESULT WINAPI IDsDriverImpl_DuplicateSoundBuffer(PIDSDRIVER iface,
 875                                                          PIDSDRIVERBUFFER pBuffer,
 876                                                          LPVOID *ppvObj)
 877 {
 878     /* IDsDriverImpl *This = (IDsDriverImpl *)iface; */
 879     TRACE("(%p,%p): stub\n",iface,pBuffer);
 880     return DSERR_INVALIDCALL;
 881 }
 882
 883 static const IDsDriverVtbl dsdvt =
 884 {
 885     IDsDriverImpl_QueryInterface,
 886     IDsDriverImpl_AddRef,
 887     IDsDriverImpl_Release,
 888     IDsDriverImpl_GetDriverDesc,
 889     IDsDriverImpl_Open,
 890     IDsDriverImpl_Close,
 891     IDsDriverImpl_GetCaps,
 892     IDsDriverImpl_CreateSoundBuffer,
 893     IDsDriverImpl_DuplicateSoundBuffer
 894 };
 895
 896 static HRESULT IDsDriverPropertySetImpl_Create(
 897     IDsDriverBufferImpl * dsdb,
 898     IDsDriverPropertySetImpl **pdsdps)
 899 {
 900     IDsDriverPropertySetImpl * dsdps;
 901     TRACE("(%p,%p)\n",dsdb,pdsdps);
 902
 903     dsdps = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*dsdps));
 904     if (dsdps == NULL) {
 905         WARN("out of memory\n");
 906         return DSERR_OUTOFMEMORY;
 907     }
 908
 909     dsdps->ref = 0;
 910     dsdps->lpVtbl = &dsdpsvt;
 911     dsdps->buffer = dsdb;
 912     dsdb->property_set = dsdps;
 913     IDsDriverBuffer_AddRef((PIDSDRIVER)dsdb);
 914
 915     *pdsdps = dsdps;
 916     return DS_OK;
 917 }
 918
 919 static HRESULT IDsDriverNotifyImpl_Create(
 920     IDsDriverBufferImpl * dsdb,
 921     IDsDriverNotifyImpl **pdsdn)
 922 {
 923     IDsDriverNotifyImpl * dsdn;
 924     TRACE("(%p,%p)\n",dsdb,pdsdn);
 925
 926     dsdn = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*dsdn));
 927
 928     if (dsdn == NULL) {
 929         WARN("out of memory\n");
 930         return DSERR_OUTOFMEMORY;
 931     }
 932
 933     dsdn->ref = 0;
 934     dsdn->lpVtbl = &dsdnvt;
 935     dsdn->buffer = dsdb;
 936     dsdb->notify = dsdn;
 937     IDsDriverBuffer_AddRef((PIDSDRIVER)dsdb);
 938
 939     *pdsdn = dsdn;
 940     return DS_OK;
 941 }
 942
 943 DWORD wodDsCreate(UINT wDevID, PIDSDRIVER* drv)
 944 {
 945     IDsDriverImpl** idrv = (IDsDriverImpl**)drv;
 946     TRACE("(%d,%p)\n",wDevID,drv);
 947
 948     /* the HAL isn't much better than the HEL if we can't do mmap() */
 949     if (!(WOutDev[wDevID].ossdev.duplex_out_caps.dwSupport & WAVECAPS_DIRECTSOUND)) {
 950         WARN("Warn DirectSound flag not set, falling back to HEL layer\n");
 951         return MMSYSERR_NOTSUPPORTED;
 952     }
 953
 954     *idrv = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(IDsDriverImpl));
 955     if (!*idrv)
 956         return MMSYSERR_NOMEM;
 957     (*idrv)->lpVtbl          = &dsdvt;
 958     (*idrv)->ref             = 1;
 959     (*idrv)->wDevID          = wDevID;
 960     (*idrv)->primary         = NULL;
 961     (*idrv)->nrofsecondaries = 0;
 962     (*idrv)->secondaries     = NULL;
 963
 964     return MMSYSERR_NOERROR;
 965 }
 966
 967 DWORD wodDsDesc(UINT wDevID, PDSDRIVERDESC desc)
 968 {
 969     TRACE("(%d,%p)\n",wDevID,desc);
 970     *desc = WOutDev[wDevID].ossdev.ds_desc;
 971     return MMSYSERR_NOERROR;
 972 }