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