git.oblomov.eu Git - wine/blob - dlls/winmm/wineoss/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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  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_SYS_POLL_H
  43 # include <sys/poll.h>
  44 #endif
  45
  46 #include "windef.h"
  47 #include "winbase.h"
  48 #include "wingdi.h"
  49 #include "winuser.h"
  50 #include "winerror.h"
  51 #include "mmddk.h"
  52 #include "mmreg.h"
  53 #include "dsound.h"
  54 #include "dsdriver.h"
  55 #include "oss.h"
  56 #include "wine/debug.h"
  57
  58 #include "audio.h"
  59
  60 WINE_DEFAULT_DEBUG_CHANNEL(wave);
  61
  62 #ifdef HAVE_OSS
  63
  64 /*======================================================================*
  65  *                  Low level DSOUND definitions                        *
  66  *======================================================================*/
  67
  68 typedef struct IDsDriverPropertySetImpl IDsDriverPropertySetImpl;
  69 typedef struct IDsDriverNotifyImpl IDsDriverNotifyImpl;
  70 typedef struct IDsDriverImpl IDsDriverImpl;
  71 typedef struct IDsDriverBufferImpl IDsDriverBufferImpl;
  72
  73 struct IDsDriverPropertySetImpl
  74 {
  75     /* IUnknown fields */
  76     IDsDriverPropertySetVtbl   *lpVtbl;
  77     DWORD                       ref;
  78
  79     IDsDriverBufferImpl*        buffer;
  80 };
  81
  82 struct IDsDriverNotifyImpl
  83 {
  84     /* IUnknown fields */
  85     IDsDriverNotifyVtbl        *lpVtbl;
  86     DWORD                       ref;
  87
  88     /* IDsDriverNotifyImpl fields */
  89     LPDSBPOSITIONNOTIFY         notifies;
  90     int                         nrofnotifies;
  91
  92     IDsDriverBufferImpl*        buffer;
  93 };
  94
  95 struct IDsDriverImpl
  96 {
  97     /* IUnknown fields */
  98     IDsDriverVtbl              *lpVtbl;
  99     DWORD                       ref;
 100
 101     /* IDsDriverImpl fields */
 102     UINT                        wDevID;
 103     IDsDriverBufferImpl*        primary;
 104
 105     int                         nrofsecondaries;
 106     IDsDriverBufferImpl**       secondaries;
 107 };
 108
 109 struct IDsDriverBufferImpl
 110 {
 111     /* IUnknown fields */
 112     IDsDriverBufferVtbl        *lpVtbl;
 113     DWORD                       ref;
 114
 115     /* IDsDriverBufferImpl fields */
 116     IDsDriverImpl*              drv;
 117     DWORD                       buflen;
 118     WAVEFORMATPCMEX             wfex;
 119     LPBYTE                      mapping;
 120     DWORD                       maplen;
 121     int                         fd;
 122     DWORD                       dwFlags;
 123
 124     /* IDsDriverNotifyImpl fields */
 125     IDsDriverNotifyImpl*        notify;
 126     int                         notify_index;
 127
 128     /* IDsDriverPropertySetImpl fields */
 129     IDsDriverPropertySetImpl*   property_set;
 130 };
 131
 132 static HRESULT WINAPI IDsDriverPropertySetImpl_Create(
 133     IDsDriverBufferImpl * dsdb,
 134     IDsDriverPropertySetImpl **pdsdps);
 135
 136 static HRESULT WINAPI IDsDriverNotifyImpl_Create(
 137     IDsDriverBufferImpl * dsdb,
 138     IDsDriverNotifyImpl **pdsdn);
 139
 140 /*======================================================================*
 141  *                  Low level DSOUND property set implementation        *
 142  *======================================================================*/
 143
 144 static HRESULT WINAPI IDsDriverPropertySetImpl_QueryInterface(
 145     PIDSDRIVERPROPERTYSET iface,
 146     REFIID riid,
 147     LPVOID *ppobj)
 148 {
 149     IDsDriverPropertySetImpl *This = (IDsDriverPropertySetImpl *)iface;
 150     TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
 151
 152     if ( IsEqualGUID(riid, &IID_IUnknown) ||
 153          IsEqualGUID(riid, &IID_IDsDriverPropertySet) ) {
 154         IDsDriverPropertySet_AddRef(iface);
 155         *ppobj = (LPVOID)This;
 156         return DS_OK;
 157     }
 158
 159     FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
 160
 161     *ppobj = 0;
 162     return E_NOINTERFACE;
 163 }
 164
 165 static ULONG WINAPI IDsDriverPropertySetImpl_AddRef(PIDSDRIVERPROPERTYSET iface)
 166 {
 167     IDsDriverPropertySetImpl *This = (IDsDriverPropertySetImpl *)iface;
 168     ULONG refCount = InterlockedIncrement(&This->ref);
 169
 170     TRACE("(%p) ref was %ld\n", This, refCount - 1);
 171
 172     return refCount;
 173 }
 174
 175 static ULONG WINAPI IDsDriverPropertySetImpl_Release(PIDSDRIVERPROPERTYSET iface)
 176 {
 177     IDsDriverPropertySetImpl *This = (IDsDriverPropertySetImpl *)iface;
 178     ULONG refCount = InterlockedDecrement(&This->ref);
 179
 180     TRACE("(%p) ref was %ld\n", This, refCount + 1);
 181
 182     if (!refCount) {
 183         IDsDriverBuffer_Release((PIDSDRIVERBUFFER)This->buffer);
 184         HeapFree(GetProcessHeap(),0,This);
 185         TRACE("(%p) released\n",This);
 186     }
 187     return refCount;
 188 }
 189
 190 static HRESULT WINAPI IDsDriverPropertySetImpl_Get(
 191     PIDSDRIVERPROPERTYSET iface,
 192     PDSPROPERTY pDsProperty,
 193     LPVOID pPropertyParams,
 194     ULONG cbPropertyParams,
 195     LPVOID pPropertyData,
 196     ULONG cbPropertyData,
 197     PULONG pcbReturnedData )
 198 {
 199     IDsDriverPropertySetImpl *This = (IDsDriverPropertySetImpl *)iface;
 200     FIXME("(%p,%p,%p,%lx,%p,%lx,%p)\n",This,pDsProperty,pPropertyParams,cbPropertyParams,pPropertyData,cbPropertyData,pcbReturnedData);
 201     return DSERR_UNSUPPORTED;
 202 }
 203
 204 static HRESULT WINAPI IDsDriverPropertySetImpl_Set(
 205     PIDSDRIVERPROPERTYSET iface,
 206     PDSPROPERTY pDsProperty,
 207     LPVOID pPropertyParams,
 208     ULONG cbPropertyParams,
 209     LPVOID pPropertyData,
 210     ULONG cbPropertyData )
 211 {
 212     IDsDriverPropertySetImpl *This = (IDsDriverPropertySetImpl *)iface;
 213     FIXME("(%p,%p,%p,%lx,%p,%lx)\n",This,pDsProperty,pPropertyParams,cbPropertyParams,pPropertyData,cbPropertyData);
 214     return DSERR_UNSUPPORTED;
 215 }
 216
 217 static HRESULT WINAPI IDsDriverPropertySetImpl_QuerySupport(
 218     PIDSDRIVERPROPERTYSET iface,
 219     REFGUID PropertySetId,
 220     ULONG PropertyId,
 221     PULONG pSupport )
 222 {
 223     IDsDriverPropertySetImpl *This = (IDsDriverPropertySetImpl *)iface;
 224     FIXME("(%p,%s,%lx,%p)\n",This,debugstr_guid(PropertySetId),PropertyId,pSupport);
 225     return DSERR_UNSUPPORTED;
 226 }
 227
 228 IDsDriverPropertySetVtbl dsdpsvt =
 229 {
 230     IDsDriverPropertySetImpl_QueryInterface,
 231     IDsDriverPropertySetImpl_AddRef,
 232     IDsDriverPropertySetImpl_Release,
 233     IDsDriverPropertySetImpl_Get,
 234     IDsDriverPropertySetImpl_Set,
 235     IDsDriverPropertySetImpl_QuerySupport,
 236 };
 237
 238 /*======================================================================*
 239  *                  Low level DSOUND notify implementation              *
 240  *======================================================================*/
 241
 242 static HRESULT WINAPI IDsDriverNotifyImpl_QueryInterface(
 243     PIDSDRIVERNOTIFY iface,
 244     REFIID riid,
 245     LPVOID *ppobj)
 246 {
 247     IDsDriverNotifyImpl *This = (IDsDriverNotifyImpl *)iface;
 248     TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
 249
 250     if ( IsEqualGUID(riid, &IID_IUnknown) ||
 251          IsEqualGUID(riid, &IID_IDsDriverNotify) ) {
 252         IDsDriverNotify_AddRef(iface);
 253         *ppobj = This;
 254         return DS_OK;
 255     }
 256
 257     FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
 258
 259     *ppobj = 0;
 260     return E_NOINTERFACE;
 261 }
 262
 263 static ULONG WINAPI IDsDriverNotifyImpl_AddRef(PIDSDRIVERNOTIFY iface)
 264 {
 265     IDsDriverNotifyImpl *This = (IDsDriverNotifyImpl *)iface;
 266     ULONG refCount = InterlockedIncrement(&This->ref);
 267
 268     TRACE("(%p) ref was %ld\n", This, refCount - 1);
 269
 270     return refCount;
 271 }
 272
 273 static ULONG WINAPI IDsDriverNotifyImpl_Release(PIDSDRIVERNOTIFY iface)
 274 {
 275     IDsDriverNotifyImpl *This = (IDsDriverNotifyImpl *)iface;
 276     ULONG refCount = InterlockedDecrement(&This->ref);
 277
 278     TRACE("(%p) ref was %ld\n", This, refCount + 1);
 279
 280     if (!refCount) {
 281         IDsDriverBuffer_Release((PIDSDRIVERBUFFER)This->buffer);
 282         HeapFree(GetProcessHeap(), 0, This->notifies);
 283         HeapFree(GetProcessHeap(),0,This);
 284         TRACE("(%p) released\n",This);
 285     }
 286     return refCount;
 287 }
 288
 289 static HRESULT WINAPI IDsDriverNotifyImpl_SetNotificationPositions(
 290     PIDSDRIVERNOTIFY iface,
 291     DWORD howmuch,
 292     LPCDSBPOSITIONNOTIFY notify)
 293 {
 294     IDsDriverNotifyImpl *This = (IDsDriverNotifyImpl *)iface;
 295     TRACE("(%p,0x%08lx,%p)\n",This,howmuch,notify);
 296
 297     if (!notify) {
 298         WARN("invalid parameter\n");
 299         return DSERR_INVALIDPARAM;
 300     }
 301
 302     if (TRACE_ON(wave)) {
 303         int i;
 304         for (i=0;i<howmuch;i++)
 305             TRACE("notify at %ld to 0x%08lx\n",
 306                 notify[i].dwOffset,(DWORD)notify[i].hEventNotify);
 307     }
 308
 309     /* Make an internal copy of the caller-supplied array.
 310      * Replace the existing copy if one is already present. */
 311     if (This->notifies)
 312         This->notifies = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 313         This->notifies, howmuch * sizeof(DSBPOSITIONNOTIFY));
 314     else
 315         This->notifies = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 316         howmuch * sizeof(DSBPOSITIONNOTIFY));
 317
 318     memcpy(This->notifies, notify, howmuch * sizeof(DSBPOSITIONNOTIFY));
 319     This->nrofnotifies = howmuch;
 320
 321     return S_OK;
 322 }
 323
 324 IDsDriverNotifyVtbl dsdnvt =
 325 {
 326     IDsDriverNotifyImpl_QueryInterface,
 327     IDsDriverNotifyImpl_AddRef,
 328     IDsDriverNotifyImpl_Release,
 329     IDsDriverNotifyImpl_SetNotificationPositions,
 330 };
 331
 332 /*======================================================================*
 333  *                  Low level DSOUND implementation                     *
 334  *======================================================================*/
 335
 336 static HRESULT DSDB_MapBuffer(IDsDriverBufferImpl *dsdb)
 337 {
 338     TRACE("(%p), format=%ldx%dx%d\n", dsdb, dsdb->wfex.Format.nSamplesPerSec,
 339           dsdb->wfex.Format.wBitsPerSample, dsdb->wfex.Format.nChannels);
 340     if (!dsdb->mapping) {
 341         dsdb->mapping = mmap(NULL, dsdb->maplen, PROT_WRITE, MAP_SHARED,
 342                              dsdb->fd, 0);
 343         if (dsdb->mapping == (LPBYTE)-1) {
 344             ERR("Could not map sound device for direct access (%s)\n", strerror(errno));
 345             ERR("Use: \"HardwareAcceleration\" = \"Emulation\" in the [dsound] section of your config file.\n");
 346             return DSERR_GENERIC;
 347         }
 348         TRACE("The sound device has been mapped for direct access at %p, size=%ld\n", dsdb->mapping, dsdb->maplen);
 349
 350         /* for some reason, es1371 and sblive! sometimes have junk in here.
 351          * clear it, or we get junk noise */
 352         /* some libc implementations are buggy: their memset reads from the buffer...
 353          * to work around it, we have to zero the block by hand. We don't do the expected:
 354          * memset(dsdb->mapping,0, dsdb->maplen);
 355          */
 356         {
 357             unsigned char*      p1 = dsdb->mapping;
 358             unsigned            len = dsdb->maplen;
 359             unsigned char       silence = (dsdb->wfex.Format.wBitsPerSample == 8) ? 128 : 0;
 360             unsigned long       ulsilence = (dsdb->wfex.Format.wBitsPerSample == 8) ? 0x80808080 : 0;
 361
 362             if (len >= 16) /* so we can have at least a 4 long area to store... */
 363             {
 364                 /* the mmap:ed value is (at least) dword aligned
 365                  * so, start filling the complete unsigned long:s
 366                  */
 367                 int             b = len >> 2;
 368                 unsigned long*  p4 = (unsigned long*)p1;
 369
 370                 while (b--) *p4++ = ulsilence;
 371                 /* prepare for filling the rest */
 372                 len &= 3;
 373                 p1 = (unsigned char*)p4;
 374             }
 375             /* in all cases, fill the remaining bytes */
 376             while (len-- != 0) *p1++ = silence;
 377         }
 378     }
 379     return DS_OK;
 380 }
 381
 382 static HRESULT DSDB_UnmapBuffer(IDsDriverBufferImpl *dsdb)
 383 {
 384     TRACE("(%p)\n",dsdb);
 385     if (dsdb->mapping) {
 386         if (munmap(dsdb->mapping, dsdb->maplen) < 0) {
 387             ERR("(%p): Could not unmap sound device (%s)\n", dsdb, strerror(errno));
 388             return DSERR_GENERIC;
 389         }
 390         dsdb->mapping = NULL;
 391         TRACE("(%p): sound device unmapped\n", dsdb);
 392     }
 393     return DS_OK;
 394 }
 395
 396 static HRESULT WINAPI IDsDriverBufferImpl_QueryInterface(PIDSDRIVERBUFFER iface, REFIID riid, LPVOID *ppobj)
 397 {
 398     IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface;
 399     TRACE("(%p,%s,%p)\n",iface,debugstr_guid(riid),*ppobj);
 400
 401     if ( IsEqualGUID(riid, &IID_IUnknown) ||
 402          IsEqualGUID(riid, &IID_IDsDriverBuffer) ) {
 403         IDsDriverBuffer_AddRef(iface);
 404         *ppobj = (LPVOID)This;
 405         return DS_OK;
 406     }
 407
 408     if ( IsEqualGUID( &IID_IDsDriverNotify, riid ) ) {
 409         if (!This->notify)
 410             IDsDriverNotifyImpl_Create(This, &(This->notify));
 411         if (This->notify) {
 412             IDsDriverNotify_AddRef((PIDSDRIVERNOTIFY)This->notify);
 413             *ppobj = (LPVOID)This->notify;
 414             return DS_OK;
 415         }
 416         *ppobj = 0;
 417         return E_FAIL;
 418     }
 419
 420     if ( IsEqualGUID( &IID_IDsDriverPropertySet, riid ) ) {
 421         if (!This->property_set)
 422             IDsDriverPropertySetImpl_Create(This, &(This->property_set));
 423         if (This->property_set) {
 424             IDsDriverPropertySet_AddRef((PIDSDRIVERPROPERTYSET)This->property_set);
 425             *ppobj = (LPVOID)This->property_set;
 426             return DS_OK;
 427         }
 428         *ppobj = 0;
 429         return E_FAIL;
 430     }
 431
 432     FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
 433
 434     *ppobj = 0;
 435
 436     return E_NOINTERFACE;
 437 }
 438
 439 static ULONG WINAPI IDsDriverBufferImpl_AddRef(PIDSDRIVERBUFFER iface)
 440 {
 441     IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface;
 442     ULONG refCount = InterlockedIncrement(&This->ref);
 443
 444     TRACE("(%p) ref was %ld\n", This, refCount - 1);
 445
 446     return refCount;
 447 }
 448
 449 static ULONG WINAPI IDsDriverBufferImpl_Release(PIDSDRIVERBUFFER iface)
 450 {
 451     IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface;
 452     ULONG refCount = InterlockedDecrement(&This->ref);
 453
 454     TRACE("(%p) ref was %ld\n", This, refCount + 1);
 455
 456     if (refCount)
 457         return refCount;
 458
 459     if (This == This->drv->primary)
 460         This->drv->primary = NULL;
 461     else {
 462         int i;
 463         for (i = 0; i < This->drv->nrofsecondaries; i++)
 464             if (This->drv->secondaries[i] == This)
 465                 break;
 466         if (i < This->drv->nrofsecondaries) {
 467             /* Put the last buffer of the list in the (now empty) position */
 468             This->drv->secondaries[i] = This->drv->secondaries[This->drv->nrofsecondaries - 1];
 469             This->drv->nrofsecondaries--;
 470             This->drv->secondaries = HeapReAlloc(GetProcessHeap(),0,
 471                 This->drv->secondaries,
 472                 sizeof(PIDSDRIVERBUFFER)*This->drv->nrofsecondaries);
 473             TRACE("(%p) buffer count is now %d\n", This, This->drv->nrofsecondaries);
 474         }
 475
 476         WOutDev[This->drv->wDevID].ossdev->ds_caps.dwFreeHwMixingAllBuffers++;
 477         WOutDev[This->drv->wDevID].ossdev->ds_caps.dwFreeHwMixingStreamingBuffers++;
 478     }
 479
 480     DSDB_UnmapBuffer(This);
 481     HeapFree(GetProcessHeap(),0,This);
 482     TRACE("(%p) released\n",This);
 483     return 0;
 484 }
 485
 486 static HRESULT WINAPI IDsDriverBufferImpl_Lock(PIDSDRIVERBUFFER iface,
 487                                                LPVOID*ppvAudio1,LPDWORD pdwLen1,
 488                                                LPVOID*ppvAudio2,LPDWORD pdwLen2,
 489                                                DWORD dwWritePosition,DWORD dwWriteLen,
 490                                                DWORD dwFlags)
 491 {
 492     /* IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface; */
 493     /* since we (GetDriverDesc flags) have specified DSDDESC_DONTNEEDPRIMARYLOCK,
 494      * and that we don't support secondary buffers, this method will never be called */
 495     TRACE("(%p): stub\n",iface);
 496     return DSERR_UNSUPPORTED;
 497 }
 498
 499 static HRESULT WINAPI IDsDriverBufferImpl_Unlock(PIDSDRIVERBUFFER iface,
 500                                                  LPVOID pvAudio1,DWORD dwLen1,
 501                                                  LPVOID pvAudio2,DWORD dwLen2)
 502 {
 503     /* IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface; */
 504     TRACE("(%p): stub\n",iface);
 505     return DSERR_UNSUPPORTED;
 506 }
 507
 508 static HRESULT WINAPI IDsDriverBufferImpl_SetFormat(PIDSDRIVERBUFFER iface,
 509                                                     LPWAVEFORMATEX pwfx)
 510 {
 511     /* IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface; */
 512
 513     TRACE("(%p,%p)\n",iface,pwfx);
 514     /* On our request (GetDriverDesc flags), DirectSound has by now used
 515      * waveOutClose/waveOutOpen to set the format...
 516      * unfortunately, this means our mmap() is now gone...
 517      * so we need to somehow signal to our DirectSound implementation
 518      * that it should completely recreate this HW buffer...
 519      * this unexpected error code should do the trick... */
 520     return DSERR_BUFFERLOST;
 521 }
 522
 523 static HRESULT WINAPI IDsDriverBufferImpl_SetFrequency(PIDSDRIVERBUFFER iface, DWORD dwFreq)
 524 {
 525     /* IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface; */
 526     TRACE("(%p,%ld): stub\n",iface,dwFreq);
 527     return DSERR_UNSUPPORTED;
 528 }
 529
 530 static HRESULT WINAPI IDsDriverBufferImpl_SetVolumePan(PIDSDRIVERBUFFER iface, PDSVOLUMEPAN pVolPan)
 531 {
 532     DWORD vol;
 533     IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface;
 534     TRACE("(%p,%p)\n",This,pVolPan);
 535
 536     vol = pVolPan->dwTotalLeftAmpFactor | (pVolPan->dwTotalRightAmpFactor << 16);
 537
 538     if (wodSetVolume(This->drv->wDevID, vol) != MMSYSERR_NOERROR) {
 539         WARN("wodSetVolume failed\n");
 540         return DSERR_INVALIDPARAM;
 541     }
 542
 543     return DS_OK;
 544 }
 545
 546 static HRESULT WINAPI IDsDriverBufferImpl_SetPosition(PIDSDRIVERBUFFER iface, DWORD dwNewPos)
 547 {
 548     /* IDsDriverImpl *This = (IDsDriverImpl *)iface; */
 549     TRACE("(%p,%ld): stub\n",iface,dwNewPos);
 550     return DSERR_UNSUPPORTED;
 551 }
 552
 553 static HRESULT WINAPI IDsDriverBufferImpl_GetPosition(PIDSDRIVERBUFFER iface,
 554                                                       LPDWORD lpdwPlay, LPDWORD lpdwWrite)
 555 {
 556     IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface;
 557     count_info info;
 558     DWORD ptr;
 559
 560     TRACE("(%p)\n",iface);
 561     if (WOutDev[This->drv->wDevID].state == WINE_WS_CLOSED) {
 562         ERR("device not open, but accessing?\n");
 563         return DSERR_UNINITIALIZED;
 564     }
 565     if (ioctl(This->fd, SNDCTL_DSP_GETOPTR, &info) < 0) {
 566         ERR("ioctl(%s, SNDCTL_DSP_GETOPTR) failed (%s)\n",
 567             WOutDev[This->drv->wDevID].ossdev->dev_name, strerror(errno));
 568         return DSERR_GENERIC;
 569     }
 570     ptr = info.ptr & ~3; /* align the pointer, just in case */
 571     if (lpdwPlay) *lpdwPlay = ptr;
 572     if (lpdwWrite) {
 573         /* add some safety margin (not strictly necessary, but...) */
 574         if (WOutDev[This->drv->wDevID].ossdev->duplex_out_caps.dwSupport & WAVECAPS_SAMPLEACCURATE)
 575             *lpdwWrite = ptr + 32;
 576         else
 577             *lpdwWrite = ptr + WOutDev[This->drv->wDevID].dwFragmentSize;
 578         while (*lpdwWrite > This->buflen)
 579             *lpdwWrite -= This->buflen;
 580     }
 581     TRACE("playpos=%ld, writepos=%ld\n", lpdwPlay?*lpdwPlay:0, lpdwWrite?*lpdwWrite:0);
 582     return DS_OK;
 583 }
 584
 585 static HRESULT WINAPI IDsDriverBufferImpl_Play(PIDSDRIVERBUFFER iface, DWORD dwRes1, DWORD dwRes2, DWORD dwFlags)
 586 {
 587     IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface;
 588     int enable;
 589     TRACE("(%p,%lx,%lx,%lx)\n",iface,dwRes1,dwRes2,dwFlags);
 590     WOutDev[This->drv->wDevID].ossdev->bOutputEnabled = TRUE;
 591     enable = getEnables(WOutDev[This->drv->wDevID].ossdev);
 592     if (ioctl(This->fd, SNDCTL_DSP_SETTRIGGER, &enable) < 0) {
 593         if (errno == EINVAL) {
 594             /* Don't give up yet. OSS trigger support is inconsistent. */
 595             if (WOutDev[This->drv->wDevID].ossdev->open_count == 1) {
 596                 /* try the opposite input enable */
 597                 if (WOutDev[This->drv->wDevID].ossdev->bInputEnabled == FALSE)
 598                     WOutDev[This->drv->wDevID].ossdev->bInputEnabled = TRUE;
 599                 else
 600                     WOutDev[This->drv->wDevID].ossdev->bInputEnabled = FALSE;
 601                 /* try it again */
 602                 enable = getEnables(WOutDev[This->drv->wDevID].ossdev);
 603                 if (ioctl(This->fd, SNDCTL_DSP_SETTRIGGER, &enable) >= 0)
 604                     return DS_OK;
 605             }
 606         }
 607         ERR("ioctl(%s, SNDCTL_DSP_SETTRIGGER) failed (%s)\n",
 608             WOutDev[This->drv->wDevID].ossdev->dev_name, strerror(errno));
 609         WOutDev[This->drv->wDevID].ossdev->bOutputEnabled = FALSE;
 610         return DSERR_GENERIC;
 611     }
 612     return DS_OK;
 613 }
 614
 615 static HRESULT WINAPI IDsDriverBufferImpl_Stop(PIDSDRIVERBUFFER iface)
 616 {
 617     IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface;
 618     int enable;
 619     TRACE("(%p)\n",iface);
 620     /* no more playing */
 621     WOutDev[This->drv->wDevID].ossdev->bOutputEnabled = FALSE;
 622     enable = getEnables(WOutDev[This->drv->wDevID].ossdev);
 623     if (ioctl(This->fd, SNDCTL_DSP_SETTRIGGER, &enable) < 0) {
 624         ERR("ioctl(%s, SNDCTL_DSP_SETTRIGGER) failed (%s)\n", WOutDev[This->drv->wDevID].ossdev->dev_name, strerror(errno));
 625         return DSERR_GENERIC;
 626     }
 627 #if 0
 628     /* the play position must be reset to the beginning of the buffer */
 629     if (ioctl(This->fd, SNDCTL_DSP_RESET, 0) < 0) {
 630         ERR("ioctl(%s, SNDCTL_DSP_RESET) failed (%s)\n", WOutDev[This->drv->wDevID].ossdev->dev_name, strerror(errno));
 631         return DSERR_GENERIC;
 632     }
 633 #endif
 634     /* Most OSS drivers just can't stop the playback without closing the device...
 635      * so we need to somehow signal to our DirectSound implementation
 636      * that it should completely recreate this HW buffer...
 637      * this unexpected error code should do the trick... */
 638     /* FIXME: ...unless we are doing full duplex, then it's not nice to close the device */
 639     if (WOutDev[This->drv->wDevID].ossdev->open_count == 1)
 640         return DSERR_BUFFERLOST;
 641
 642     return DS_OK;
 643 }
 644
 645 static IDsDriverBufferVtbl dsdbvt =
 646 {
 647     IDsDriverBufferImpl_QueryInterface,
 648     IDsDriverBufferImpl_AddRef,
 649     IDsDriverBufferImpl_Release,
 650     IDsDriverBufferImpl_Lock,
 651     IDsDriverBufferImpl_Unlock,
 652     IDsDriverBufferImpl_SetFormat,
 653     IDsDriverBufferImpl_SetFrequency,
 654     IDsDriverBufferImpl_SetVolumePan,
 655     IDsDriverBufferImpl_SetPosition,
 656     IDsDriverBufferImpl_GetPosition,
 657     IDsDriverBufferImpl_Play,
 658     IDsDriverBufferImpl_Stop
 659 };
 660
 661 static HRESULT WINAPI IDsDriverImpl_QueryInterface(PIDSDRIVER iface, REFIID riid, LPVOID *ppobj)
 662 {
 663     IDsDriverImpl *This = (IDsDriverImpl *)iface;
 664     TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
 665
 666     if ( IsEqualGUID(riid, &IID_IUnknown) ||
 667          IsEqualGUID(riid, &IID_IDsDriver) ) {
 668         IDsDriver_AddRef(iface);
 669         *ppobj = (LPVOID)This;
 670         return DS_OK;
 671     }
 672
 673     FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
 674
 675     *ppobj = 0;
 676
 677     return E_NOINTERFACE;
 678 }
 679
 680 static ULONG WINAPI IDsDriverImpl_AddRef(PIDSDRIVER iface)
 681 {
 682     IDsDriverImpl *This = (IDsDriverImpl *)iface;
 683     ULONG refCount = InterlockedIncrement(&This->ref);
 684
 685     TRACE("(%p) ref was %ld\n", This, refCount - 1);
 686
 687     return refCount;
 688 }
 689
 690 static ULONG WINAPI IDsDriverImpl_Release(PIDSDRIVER iface)
 691 {
 692     IDsDriverImpl *This = (IDsDriverImpl *)iface;
 693     ULONG refCount = InterlockedDecrement(&This->ref);
 694
 695     TRACE("(%p) ref was %ld\n", This, refCount + 1);
 696
 697     if (!refCount) {
 698         HeapFree(GetProcessHeap(),0,This);
 699         TRACE("(%p) released\n",This);
 700     }
 701     return refCount;
 702 }
 703
 704 static HRESULT WINAPI IDsDriverImpl_GetDriverDesc(PIDSDRIVER iface,
 705                                                   PDSDRIVERDESC pDesc)
 706 {
 707     IDsDriverImpl *This = (IDsDriverImpl *)iface;
 708     TRACE("(%p,%p)\n",iface,pDesc);
 709
 710     /* copy version from driver */
 711     memcpy(pDesc, &(WOutDev[This->wDevID].ossdev->ds_desc), sizeof(DSDRIVERDESC));
 712
 713     pDesc->dwFlags |= DSDDESC_DOMMSYSTEMOPEN | DSDDESC_DOMMSYSTEMSETFORMAT |
 714         DSDDESC_USESYSTEMMEMORY | DSDDESC_DONTNEEDPRIMARYLOCK |
 715         DSDDESC_DONTNEEDSECONDARYLOCK;
 716     pDesc->dnDevNode            = WOutDev[This->wDevID].waveDesc.dnDevNode;
 717     pDesc->wVxdId               = 0;
 718     pDesc->wReserved            = 0;
 719     pDesc->ulDeviceNum          = This->wDevID;
 720     pDesc->dwHeapType           = DSDHEAP_NOHEAP;
 721     pDesc->pvDirectDrawHeap     = NULL;
 722     pDesc->dwMemStartAddress    = 0;
 723     pDesc->dwMemEndAddress      = 0;
 724     pDesc->dwMemAllocExtra      = 0;
 725     pDesc->pvReserved1          = NULL;
 726     pDesc->pvReserved2          = NULL;
 727     return DS_OK;
 728 }
 729
 730 static HRESULT WINAPI IDsDriverImpl_Open(PIDSDRIVER iface)
 731 {
 732     IDsDriverImpl *This = (IDsDriverImpl *)iface;
 733     int enable;
 734     TRACE("(%p)\n",iface);
 735
 736     /* make sure the card doesn't start playing before we want it to */
 737     WOutDev[This->wDevID].ossdev->bOutputEnabled = FALSE;
 738     enable = getEnables(WOutDev[This->wDevID].ossdev);
 739     if (ioctl(WOutDev[This->wDevID].ossdev->fd, SNDCTL_DSP_SETTRIGGER, &enable) < 0) {
 740         ERR("ioctl(%s, SNDCTL_DSP_SETTRIGGER) failed (%s)\n",WOutDev[This->wDevID].ossdev->dev_name, strerror(errno));
 741         return DSERR_GENERIC;
 742     }
 743     return DS_OK;
 744 }
 745
 746 static HRESULT WINAPI IDsDriverImpl_Close(PIDSDRIVER iface)
 747 {
 748     IDsDriverImpl *This = (IDsDriverImpl *)iface;
 749     TRACE("(%p)\n",iface);
 750     if (This->primary) {
 751         ERR("problem with DirectSound: primary not released\n");
 752         return DSERR_GENERIC;
 753     }
 754     return DS_OK;
 755 }
 756
 757 static HRESULT WINAPI IDsDriverImpl_GetCaps(PIDSDRIVER iface, PDSDRIVERCAPS pCaps)
 758 {
 759     IDsDriverImpl *This = (IDsDriverImpl *)iface;
 760     TRACE("(%p,%p)\n",iface,pCaps);
 761     memcpy(pCaps, &(WOutDev[This->wDevID].ossdev->ds_caps), sizeof(DSDRIVERCAPS));
 762     return DS_OK;
 763 }
 764
 765 static HRESULT WINAPI DSD_CreatePrimaryBuffer(PIDSDRIVER iface,
 766                                               LPWAVEFORMATEX pwfx,
 767                                               DWORD dwFlags,
 768                                               DWORD dwCardAddress,
 769                                               LPDWORD pdwcbBufferSize,
 770                                               LPBYTE *ppbBuffer,
 771                                               LPVOID *ppvObj)
 772 {
 773     IDsDriverImpl *This = (IDsDriverImpl *)iface;
 774     IDsDriverBufferImpl** ippdsdb = (IDsDriverBufferImpl**)ppvObj;
 775     HRESULT err;
 776     audio_buf_info info;
 777     int enable = 0;
 778     TRACE("(%p,%p,%lx,%lx,%p,%p,%p)\n",iface,pwfx,dwFlags,dwCardAddress,pdwcbBufferSize,ppbBuffer,ppvObj);
 779
 780     if (This->primary)
 781         return DSERR_ALLOCATED;
 782     if (dwFlags & (DSBCAPS_CTRLFREQUENCY | DSBCAPS_CTRLPAN))
 783         return DSERR_CONTROLUNAVAIL;
 784
 785     *ippdsdb = (IDsDriverBufferImpl*)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(IDsDriverBufferImpl));
 786     if (*ippdsdb == NULL)
 787         return DSERR_OUTOFMEMORY;
 788     (*ippdsdb)->lpVtbl  = &dsdbvt;
 789     (*ippdsdb)->ref     = 1;
 790     (*ippdsdb)->drv     = This;
 791     copy_format(pwfx, &(*ippdsdb)->wfex);
 792     (*ippdsdb)->fd      = WOutDev[This->wDevID].ossdev->fd;
 793     (*ippdsdb)->dwFlags = dwFlags;
 794
 795     /* check how big the DMA buffer is now */
 796     if (ioctl((*ippdsdb)->fd, SNDCTL_DSP_GETOSPACE, &info) < 0) {
 797         ERR("ioctl(%s, SNDCTL_DSP_GETOSPACE) failed (%s)\n",
 798             WOutDev[This->wDevID].ossdev->dev_name, strerror(errno));
 799         HeapFree(GetProcessHeap(),0,*ippdsdb);
 800         *ippdsdb = NULL;
 801         return DSERR_GENERIC;
 802     }
 803     (*ippdsdb)->maplen = (*ippdsdb)->buflen = info.fragstotal * info.fragsize;
 804
 805     /* map the DMA buffer */
 806     err = DSDB_MapBuffer(*ippdsdb);
 807     if (err != DS_OK) {
 808         HeapFree(GetProcessHeap(),0,*ippdsdb);
 809         *ippdsdb = NULL;
 810         return err;
 811     }
 812
 813     /* primary buffer is ready to go */
 814     *pdwcbBufferSize    = (*ippdsdb)->maplen;
 815     *ppbBuffer          = (*ippdsdb)->mapping;
 816
 817     /* some drivers need some extra nudging after mapping */
 818     WOutDev[This->wDevID].ossdev->bOutputEnabled = FALSE;
 819     enable = getEnables(WOutDev[This->wDevID].ossdev);
 820     if (ioctl((*ippdsdb)->fd, SNDCTL_DSP_SETTRIGGER, &enable) < 0) {
 821         ERR("ioctl(%s, SNDCTL_DSP_SETTRIGGER) failed (%s)\n",
 822             WOutDev[This->wDevID].ossdev->dev_name, strerror(errno));
 823         return DSERR_GENERIC;
 824     }
 825
 826     This->primary = *ippdsdb;
 827
 828     return DS_OK;
 829 }
 830
 831 static HRESULT WINAPI DSD_CreateSecondaryBuffer(PIDSDRIVER iface,
 832                                                 LPWAVEFORMATEX pwfx,
 833                                                 DWORD dwFlags,
 834                                                 DWORD dwCardAddress,
 835                                                 LPDWORD pdwcbBufferSize,
 836                                                 LPBYTE *ppbBuffer,
 837                                                 LPVOID *ppvObj)
 838 {
 839     IDsDriverImpl *This = (IDsDriverImpl *)iface;
 840     IDsDriverBufferImpl** ippdsdb = (IDsDriverBufferImpl**)ppvObj;
 841     FIXME("(%p,%p,%lx,%lx,%p,%p,%p): stub\n",This,pwfx,dwFlags,dwCardAddress,pdwcbBufferSize,ppbBuffer,ppvObj);
 842
 843     *ippdsdb = 0;
 844     return DSERR_UNSUPPORTED;
 845 }
 846
 847 static HRESULT WINAPI IDsDriverImpl_CreateSoundBuffer(PIDSDRIVER iface,
 848                                                       LPWAVEFORMATEX pwfx,
 849                                                       DWORD dwFlags,
 850                                                       DWORD dwCardAddress,
 851                                                       LPDWORD pdwcbBufferSize,
 852                                                       LPBYTE *ppbBuffer,
 853                                                       LPVOID *ppvObj)
 854 {
 855     TRACE("(%p,%p,%lx,%lx,%p,%p,%p)\n",iface,pwfx,dwFlags,dwCardAddress,pdwcbBufferSize,ppbBuffer,ppvObj);
 856
 857     if (dwFlags & DSBCAPS_PRIMARYBUFFER)
 858         return DSD_CreatePrimaryBuffer(iface,pwfx,dwFlags,dwCardAddress,pdwcbBufferSize,ppbBuffer,ppvObj);
 859
 860     return DSD_CreateSecondaryBuffer(iface,pwfx,dwFlags,dwCardAddress,pdwcbBufferSize,ppbBuffer,ppvObj);
 861 }
 862
 863 static HRESULT WINAPI IDsDriverImpl_DuplicateSoundBuffer(PIDSDRIVER iface,
 864                                                          PIDSDRIVERBUFFER pBuffer,
 865                                                          LPVOID *ppvObj)
 866 {
 867     /* IDsDriverImpl *This = (IDsDriverImpl *)iface; */
 868     TRACE("(%p,%p): stub\n",iface,pBuffer);
 869     return DSERR_INVALIDCALL;
 870 }
 871
 872 static IDsDriverVtbl dsdvt =
 873 {
 874     IDsDriverImpl_QueryInterface,
 875     IDsDriverImpl_AddRef,
 876     IDsDriverImpl_Release,
 877     IDsDriverImpl_GetDriverDesc,
 878     IDsDriverImpl_Open,
 879     IDsDriverImpl_Close,
 880     IDsDriverImpl_GetCaps,
 881     IDsDriverImpl_CreateSoundBuffer,
 882     IDsDriverImpl_DuplicateSoundBuffer
 883 };
 884
 885 static HRESULT WINAPI IDsDriverPropertySetImpl_Create(
 886     IDsDriverBufferImpl * dsdb,
 887     IDsDriverPropertySetImpl **pdsdps)
 888 {
 889     IDsDriverPropertySetImpl * dsdps;
 890     TRACE("(%p,%p)\n",dsdb,pdsdps);
 891
 892     dsdps = (IDsDriverPropertySetImpl*)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(dsdps));
 893     if (dsdps == NULL) {
 894         WARN("out of memory\n");
 895         return DSERR_OUTOFMEMORY;
 896     }
 897
 898     dsdps->ref = 0;
 899     dsdps->lpVtbl = &dsdpsvt;
 900     dsdps->buffer = dsdb;
 901     dsdb->property_set = dsdps;
 902     IDsDriverBuffer_AddRef((PIDSDRIVER)dsdb);
 903
 904     *pdsdps = dsdps;
 905     return DS_OK;
 906 }
 907
 908 static HRESULT WINAPI IDsDriverNotifyImpl_Create(
 909     IDsDriverBufferImpl * dsdb,
 910     IDsDriverNotifyImpl **pdsdn)
 911 {
 912     IDsDriverNotifyImpl * dsdn;
 913     TRACE("(%p,%p)\n",dsdb,pdsdn);
 914
 915     dsdn = (IDsDriverNotifyImpl*)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(dsdn));
 916
 917     if (dsdn == NULL) {
 918         WARN("out of memory\n");
 919         return DSERR_OUTOFMEMORY;
 920     }
 921
 922     dsdn->ref = 0;
 923     dsdn->lpVtbl = &dsdnvt;
 924     dsdn->buffer = dsdb;
 925     dsdb->notify = dsdn;
 926     IDsDriverBuffer_AddRef((PIDSDRIVER)dsdb);
 927
 928     *pdsdn = dsdn;
 929     return DS_OK;
 930 }
 931
 932 DWORD wodDsCreate(UINT wDevID, PIDSDRIVER* drv)
 933 {
 934     IDsDriverImpl** idrv = (IDsDriverImpl**)drv;
 935     TRACE("(%d,%p)\n",wDevID,drv);
 936
 937     /* the HAL isn't much better than the HEL if we can't do mmap() */
 938     if (!(WOutDev[wDevID].ossdev->duplex_out_caps.dwSupport & WAVECAPS_DIRECTSOUND)) {
 939         ERR("DirectSound flag not set\n");
 940         MESSAGE("This sound card's driver does not support direct access\n");
 941         MESSAGE("The (slower) DirectSound HEL mode will be used instead.\n");
 942         return MMSYSERR_NOTSUPPORTED;
 943     }
 944
 945     *idrv = (IDsDriverImpl*)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(IDsDriverImpl));
 946     if (!*idrv)
 947         return MMSYSERR_NOMEM;
 948     (*idrv)->lpVtbl          = &dsdvt;
 949     (*idrv)->ref             = 1;
 950     (*idrv)->wDevID          = wDevID;
 951     (*idrv)->primary         = NULL;
 952     (*idrv)->nrofsecondaries = 0;
 953     (*idrv)->secondaries     = NULL;
 954
 955     return MMSYSERR_NOERROR;
 956 }
 957
 958 DWORD wodDsDesc(UINT wDevID, PDSDRIVERDESC desc)
 959 {
 960     TRACE("(%d,%p)\n",wDevID,desc);
 961     memcpy(desc, &(WOutDev[wDevID].ossdev->ds_desc), sizeof(DSDRIVERDESC));
 962     return MMSYSERR_NOERROR;
 963 }
 964
 965 #endif /* HAVE_OSS */