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

   1 /*
   2  * Direct Sound Capture driver
   3  *
   4  * Copyright 2004 Robert Reif
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "config.h"
  22 #include "wine/port.h"
  23
  24 #include <stdlib.h>
  25 #include <stdarg.h>
  26 #include <stdio.h>
  27 #include <string.h>
  28 #ifdef HAVE_UNISTD_H
  29 # include <unistd.h>
  30 #endif
  31 #include <errno.h>
  32 #include <fcntl.h>
  33 #ifdef HAVE_SYS_IOCTL_H
  34 # include <sys/ioctl.h>
  35 #endif
  36 #ifdef HAVE_SYS_MMAN_H
  37 # include <sys/mman.h>
  38 #endif
  39 #ifdef HAVE_POLL_H
  40 #include <poll.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(dscapture);
  61
  62 #ifdef HAVE_OSS
  63
  64 /*======================================================================*
  65  *           Low level DSOUND capture definitions                       *
  66  *======================================================================*/
  67
  68 typedef struct IDsCaptureDriverPropertySetImpl IDsCaptureDriverPropertySetImpl;
  69 typedef struct IDsCaptureDriverNotifyImpl IDsCaptureDriverNotifyImpl;
  70 typedef struct IDsCaptureDriverImpl IDsCaptureDriverImpl;
  71 typedef struct IDsCaptureDriverBufferImpl IDsCaptureDriverBufferImpl;
  72
  73 struct IDsCaptureDriverPropertySetImpl
  74 {
  75     /* IUnknown fields */
  76     const IDsDriverPropertySetVtbl     *lpVtbl;
  77     LONG                                ref;
  78
  79     IDsCaptureDriverBufferImpl*         capture_buffer;
  80 };
  81
  82 struct IDsCaptureDriverNotifyImpl
  83 {
  84     /* IUnknown fields */
  85     const IDsDriverNotifyVtbl          *lpVtbl;
  86     LONG                                ref;
  87
  88     IDsCaptureDriverBufferImpl*         capture_buffer;
  89 };
  90
  91 struct IDsCaptureDriverImpl
  92 {
  93     /* IUnknown fields */
  94     const IDsCaptureDriverVtbl         *lpVtbl;
  95     LONG                                ref;
  96
  97     /* IDsCaptureDriverImpl fields */
  98     UINT                                wDevID;
  99     IDsCaptureDriverBufferImpl*         capture_buffer;
 100 };
 101
 102 struct IDsCaptureDriverBufferImpl
 103 {
 104     /* IUnknown fields */
 105     const IDsCaptureDriverBufferVtbl   *lpVtbl;
 106     LONG                                ref;
 107
 108     /* IDsCaptureDriverBufferImpl fields */
 109     IDsCaptureDriverImpl*               drv;
 110     LPBYTE                              buffer;         /* user buffer */
 111     DWORD                               buflen;         /* user buffer length */
 112     LPBYTE                              mapping;        /* DMA buffer */
 113     DWORD                               maplen;         /* DMA buffer length */
 114     BOOL                                is_direct_map;  /* DMA == user ? */
 115     DWORD                               fragsize;
 116     DWORD                               map_writepos;   /* DMA write offset */
 117     DWORD                               map_readpos;    /* DMA read offset */
 118     DWORD                               writeptr;       /* user write offset */
 119     DWORD                               readptr;        /* user read offset */
 120
 121     /* IDsDriverNotifyImpl fields */
 122     IDsCaptureDriverNotifyImpl*         notify;
 123     int                                 notify_index;
 124     LPDSBPOSITIONNOTIFY                 notifies;
 125     int                                 nrofnotifies;
 126
 127     /* IDsDriverPropertySetImpl fields */
 128     IDsCaptureDriverPropertySetImpl*    property_set;
 129
 130     BOOL                                is_capturing;
 131     BOOL                                is_looping;
 132     WAVEFORMATEX                        wfx;
 133     HANDLE                              hThread;
 134     DWORD                               dwThreadID;
 135     HANDLE                              hStartUpEvent;
 136     HANDLE                              hExitEvent;
 137     int                                 pipe_fd[2];
 138     int                                 fd;
 139 };
 140
 141 static HRESULT IDsCaptureDriverPropertySetImpl_Create(
 142     IDsCaptureDriverBufferImpl * dscdb,
 143     IDsCaptureDriverPropertySetImpl **pdscdps);
 144
 145 static HRESULT IDsCaptureDriverNotifyImpl_Create(
 146     IDsCaptureDriverBufferImpl * dsdcb,
 147     IDsCaptureDriverNotifyImpl **pdscdn);
 148
 149 /*======================================================================*
 150  *           Low level DSOUND capture property set implementation       *
 151  *======================================================================*/
 152
 153 static HRESULT WINAPI IDsCaptureDriverPropertySetImpl_QueryInterface(
 154     PIDSDRIVERPROPERTYSET iface,
 155     REFIID riid,
 156     LPVOID *ppobj)
 157 {
 158     IDsCaptureDriverPropertySetImpl *This = (IDsCaptureDriverPropertySetImpl *)iface;
 159     TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
 160
 161     if ( IsEqualGUID(riid, &IID_IUnknown) ||
 162          IsEqualGUID(riid, &IID_IDsDriverPropertySet) ) {
 163         IDsDriverPropertySet_AddRef(iface);
 164         *ppobj = (LPVOID)This;
 165         return DS_OK;
 166     }
 167
 168     FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
 169
 170     *ppobj = 0;
 171     return E_NOINTERFACE;
 172 }
 173
 174 static ULONG WINAPI IDsCaptureDriverPropertySetImpl_AddRef(
 175     PIDSDRIVERPROPERTYSET iface)
 176 {
 177     IDsCaptureDriverPropertySetImpl *This = (IDsCaptureDriverPropertySetImpl *)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 IDsCaptureDriverPropertySetImpl_Release(
 186     PIDSDRIVERPROPERTYSET iface)
 187 {
 188     IDsCaptureDriverPropertySetImpl *This = (IDsCaptureDriverPropertySetImpl *)iface;
 189     ULONG refCount = InterlockedDecrement(&This->ref);
 190
 191     TRACE("(%p) ref was %d\n", This, refCount + 1);
 192
 193     if (!refCount) {
 194         IDsCaptureDriverBuffer_Release((PIDSCDRIVERBUFFER)This->capture_buffer);
 195         This->capture_buffer->property_set = NULL;
 196         HeapFree(GetProcessHeap(),0,This);
 197         TRACE("(%p) released\n",This);
 198     }
 199     return refCount;
 200 }
 201
 202 static HRESULT WINAPI IDsCaptureDriverPropertySetImpl_Get(
 203     PIDSDRIVERPROPERTYSET iface,
 204     PDSPROPERTY pDsProperty,
 205     LPVOID pPropertyParams,
 206     ULONG cbPropertyParams,
 207     LPVOID pPropertyData,
 208     ULONG cbPropertyData,
 209     PULONG pcbReturnedData )
 210 {
 211     IDsCaptureDriverPropertySetImpl *This = (IDsCaptureDriverPropertySetImpl *)iface;
 212     FIXME("(%p,%p,%p,%x,%p,%x,%p)\n",This,pDsProperty,pPropertyParams,
 213           cbPropertyParams,pPropertyData,cbPropertyData,pcbReturnedData);
 214     return DSERR_UNSUPPORTED;
 215 }
 216
 217 static HRESULT WINAPI IDsCaptureDriverPropertySetImpl_Set(
 218     PIDSDRIVERPROPERTYSET iface,
 219     PDSPROPERTY pDsProperty,
 220     LPVOID pPropertyParams,
 221     ULONG cbPropertyParams,
 222     LPVOID pPropertyData,
 223     ULONG cbPropertyData )
 224 {
 225     IDsCaptureDriverPropertySetImpl *This = (IDsCaptureDriverPropertySetImpl *)iface;
 226     FIXME("(%p,%p,%p,%x,%p,%x)\n",This,pDsProperty,pPropertyParams,
 227           cbPropertyParams,pPropertyData,cbPropertyData);
 228     return DSERR_UNSUPPORTED;
 229 }
 230
 231 static HRESULT WINAPI IDsCaptureDriverPropertySetImpl_QuerySupport(
 232     PIDSDRIVERPROPERTYSET iface,
 233     REFGUID PropertySetId,
 234     ULONG PropertyId,
 235     PULONG pSupport )
 236 {
 237     IDsCaptureDriverPropertySetImpl *This = (IDsCaptureDriverPropertySetImpl *)iface;
 238     FIXME("(%p,%s,%x,%p)\n",This,debugstr_guid(PropertySetId),PropertyId,
 239           pSupport);
 240     return DSERR_UNSUPPORTED;
 241 }
 242
 243 static const IDsDriverPropertySetVtbl dscdpsvt =
 244 {
 245     IDsCaptureDriverPropertySetImpl_QueryInterface,
 246     IDsCaptureDriverPropertySetImpl_AddRef,
 247     IDsCaptureDriverPropertySetImpl_Release,
 248     IDsCaptureDriverPropertySetImpl_Get,
 249     IDsCaptureDriverPropertySetImpl_Set,
 250     IDsCaptureDriverPropertySetImpl_QuerySupport,
 251 };
 252
 253 /*======================================================================*
 254  *                  Low level DSOUND capture notify implementation      *
 255  *======================================================================*/
 256
 257 static HRESULT WINAPI IDsCaptureDriverNotifyImpl_QueryInterface(
 258     PIDSDRIVERNOTIFY iface,
 259     REFIID riid,
 260     LPVOID *ppobj)
 261 {
 262     IDsCaptureDriverNotifyImpl *This = (IDsCaptureDriverNotifyImpl *)iface;
 263     TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
 264
 265     if ( IsEqualGUID(riid, &IID_IUnknown) ||
 266          IsEqualGUID(riid, &IID_IDsDriverNotify) ) {
 267         IDsDriverNotify_AddRef(iface);
 268         *ppobj = This;
 269         return DS_OK;
 270     }
 271
 272     FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
 273
 274     *ppobj = 0;
 275     return E_NOINTERFACE;
 276 }
 277
 278 static ULONG WINAPI IDsCaptureDriverNotifyImpl_AddRef(
 279     PIDSDRIVERNOTIFY iface)
 280 {
 281     IDsCaptureDriverNotifyImpl *This = (IDsCaptureDriverNotifyImpl *)iface;
 282     ULONG refCount = InterlockedIncrement(&This->ref);
 283
 284     TRACE("(%p) ref was %d\n", This, refCount - 1);
 285
 286     return refCount;
 287 }
 288
 289 static ULONG WINAPI IDsCaptureDriverNotifyImpl_Release(
 290     PIDSDRIVERNOTIFY iface)
 291 {
 292     IDsCaptureDriverNotifyImpl *This = (IDsCaptureDriverNotifyImpl *)iface;
 293     ULONG refCount = InterlockedDecrement(&This->ref);
 294
 295     TRACE("(%p) ref was %d\n", This, refCount + 1);
 296
 297     if (!refCount) {
 298         IDsCaptureDriverBuffer_Release((PIDSCDRIVERBUFFER)This->capture_buffer);
 299         This->capture_buffer->notify = NULL;
 300         HeapFree(GetProcessHeap(),0,This);
 301         TRACE("(%p) released\n",This);
 302     }
 303     return refCount;
 304 }
 305
 306 static HRESULT WINAPI IDsCaptureDriverNotifyImpl_SetNotificationPositions(
 307     PIDSDRIVERNOTIFY iface,
 308     DWORD howmuch,
 309     LPCDSBPOSITIONNOTIFY notify)
 310 {
 311     IDsCaptureDriverNotifyImpl *This = (IDsCaptureDriverNotifyImpl *)iface;
 312     TRACE("(%p,0x%08x,%p)\n",This,howmuch,notify);
 313
 314     if (!notify) {
 315         WARN("invalid parameter\n");
 316         return DSERR_INVALIDPARAM;
 317     }
 318
 319     if (TRACE_ON(dscapture)) {
 320         DWORD i;
 321         for (i=0;i<howmuch;i++)
 322             TRACE("notify at %d to 0x%08lx\n",
 323                 notify[i].dwOffset,(DWORD_PTR)notify[i].hEventNotify);
 324     }
 325
 326     /* Make an internal copy of the caller-supplied array.
 327      * Replace the existing copy if one is already present. */
 328     if (This->capture_buffer->notifies)
 329         This->capture_buffer->notifies = HeapReAlloc(GetProcessHeap(),
 330             HEAP_ZERO_MEMORY, This->capture_buffer->notifies,
 331             howmuch * sizeof(DSBPOSITIONNOTIFY));
 332     else
 333         This->capture_buffer->notifies = HeapAlloc(GetProcessHeap(),
 334             HEAP_ZERO_MEMORY, howmuch * sizeof(DSBPOSITIONNOTIFY));
 335
 336     memcpy(This->capture_buffer->notifies, notify,
 337            howmuch * sizeof(DSBPOSITIONNOTIFY));
 338     This->capture_buffer->nrofnotifies = howmuch;
 339
 340     return S_OK;
 341 }
 342
 343 static const IDsDriverNotifyVtbl dscdnvt =
 344 {
 345     IDsCaptureDriverNotifyImpl_QueryInterface,
 346     IDsCaptureDriverNotifyImpl_AddRef,
 347     IDsCaptureDriverNotifyImpl_Release,
 348     IDsCaptureDriverNotifyImpl_SetNotificationPositions,
 349 };
 350
 351 /*======================================================================*
 352  *                  Low level DSOUND capture implementation             *
 353  *======================================================================*/
 354
 355 static HRESULT DSCDB_MapBuffer(IDsCaptureDriverBufferImpl *dscdb)
 356 {
 357     if (!dscdb->mapping) {
 358         dscdb->mapping = mmap(NULL, dscdb->maplen, PROT_READ, MAP_SHARED,
 359                               WInDev[dscdb->drv->wDevID].ossdev.fd, 0);
 360         if (dscdb->mapping == (LPBYTE)-1) {
 361             TRACE("(%p): Could not map sound device for direct access (%s)\n",
 362                   dscdb, strerror(errno));
 363             return DSERR_GENERIC;
 364         }
 365         TRACE("(%p): sound device has been mapped for direct access at %p, "
 366               "size=%d\n", dscdb, dscdb->mapping, dscdb->maplen);
 367     }
 368     return DS_OK;
 369 }
 370
 371 static HRESULT DSCDB_UnmapBuffer(IDsCaptureDriverBufferImpl *dscdb)
 372 {
 373     if (dscdb->mapping) {
 374         if (munmap(dscdb->mapping, dscdb->maplen) < 0) {
 375             ERR("(%p): Could not unmap sound device (%s)\n",
 376                 dscdb, strerror(errno));
 377             return DSERR_GENERIC;
 378         }
 379         dscdb->mapping = NULL;
 380         TRACE("(%p): sound device unmapped\n", dscdb);
 381     }
 382     return DS_OK;
 383 }
 384
 385 static HRESULT WINAPI IDsCaptureDriverBufferImpl_QueryInterface(
 386     PIDSCDRIVERBUFFER iface,
 387     REFIID riid,
 388     LPVOID *ppobj)
 389 {
 390     IDsCaptureDriverBufferImpl *This = (IDsCaptureDriverBufferImpl *)iface;
 391     TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
 392
 393     *ppobj = 0;
 394
 395     if ( IsEqualGUID(riid, &IID_IUnknown) ||
 396          IsEqualGUID(riid, &IID_IDsCaptureDriverBuffer) ) {
 397         IDsCaptureDriverBuffer_AddRef(iface);
 398         *ppobj = (LPVOID)This;
 399         return DS_OK;
 400     }
 401
 402     if ( IsEqualGUID( &IID_IDsDriverNotify, riid ) ) {
 403         if (!This->notify)
 404             IDsCaptureDriverNotifyImpl_Create(This, &(This->notify));
 405         if (This->notify) {
 406             IDsDriverNotify_AddRef((PIDSDRIVERNOTIFY)This->notify);
 407             *ppobj = (LPVOID)This->notify;
 408             return DS_OK;
 409         }
 410         return E_FAIL;
 411     }
 412
 413     if ( IsEqualGUID( &IID_IDsDriverPropertySet, riid ) ) {
 414         if (!This->property_set)
 415             IDsCaptureDriverPropertySetImpl_Create(This, &(This->property_set));
 416         if (This->property_set) {
 417             IDsDriverPropertySet_AddRef((PIDSDRIVERPROPERTYSET)This->property_set);
 418             *ppobj = (LPVOID)This->property_set;
 419             return DS_OK;
 420         }
 421         return E_FAIL;
 422     }
 423
 424     FIXME("(%p,%s,%p) unsupported GUID\n", This, debugstr_guid(riid), ppobj);
 425     return DSERR_UNSUPPORTED;
 426 }
 427
 428 static ULONG WINAPI IDsCaptureDriverBufferImpl_AddRef(PIDSCDRIVERBUFFER iface)
 429 {
 430     IDsCaptureDriverBufferImpl *This = (IDsCaptureDriverBufferImpl *)iface;
 431     ULONG refCount = InterlockedIncrement(&This->ref);
 432
 433     TRACE("(%p) ref was %d\n", This, refCount - 1);
 434
 435     return refCount;
 436 }
 437
 438 static ULONG WINAPI IDsCaptureDriverBufferImpl_Release(PIDSCDRIVERBUFFER iface)
 439 {
 440     IDsCaptureDriverBufferImpl *This = (IDsCaptureDriverBufferImpl *)iface;
 441     ULONG refCount = InterlockedDecrement(&This->ref);
 442     TRACE("(%p) ref was %d\n", This, refCount + 1);
 443
 444     if (!refCount) {
 445         WINE_WAVEIN*        wwi;
 446
 447         wwi = &WInDev[This->drv->wDevID];
 448
 449         if (This->hThread) {
 450             int x = 0;
 451
 452             /* request thread termination */
 453             write(This->pipe_fd[1], &x, sizeof(x));
 454
 455             /* wait for reply */
 456             WaitForSingleObject(This->hExitEvent, INFINITE);
 457             CloseHandle(This->hExitEvent);
 458         }
 459
 460         close(This->pipe_fd[0]);
 461         close(This->pipe_fd[1]);
 462
 463         DSCDB_UnmapBuffer(This);
 464
 465         OSS_CloseDevice(&wwi->ossdev);
 466         wwi->state = WINE_WS_CLOSED;
 467         wwi->dwFragmentSize = 0;
 468         This->drv->capture_buffer = NULL;
 469
 470         HeapFree(GetProcessHeap(), 0, This->notifies);
 471         HeapFree(GetProcessHeap(),0,This);
 472         TRACE("(%p) released\n",This);
 473     }
 474     return refCount;
 475 }
 476
 477 static HRESULT WINAPI IDsCaptureDriverBufferImpl_Lock(
 478     PIDSCDRIVERBUFFER iface,
 479     LPVOID* ppvAudio1,
 480     LPDWORD pdwLen1,
 481     LPVOID* ppvAudio2,
 482     LPDWORD pdwLen2,
 483     DWORD dwWritePosition,
 484     DWORD dwWriteLen,
 485     DWORD dwFlags)
 486 {
 487     IDsCaptureDriverBufferImpl *This = (IDsCaptureDriverBufferImpl *)iface;
 488     TRACE("(%p,%p,%p,%p,%p,%d,%d,0x%08x)\n",This,ppvAudio1,pdwLen1,
 489           ppvAudio2,pdwLen2,dwWritePosition,dwWriteLen,dwFlags);
 490
 491     if (This->is_direct_map) {
 492         if (ppvAudio1)
 493             *ppvAudio1 = This->mapping + dwWritePosition;
 494
 495         if (dwWritePosition + dwWriteLen < This->maplen) {
 496             if (pdwLen1)
 497                 *pdwLen1 = dwWriteLen;
 498             if (ppvAudio2)
 499                 *ppvAudio2 = 0;
 500             if (pdwLen2)
 501                 *pdwLen2 = 0;
 502         } else {
 503             if (pdwLen1)
 504                 *pdwLen1 = This->maplen - dwWritePosition;
 505             if (ppvAudio2)
 506                 *ppvAudio2 = 0;
 507             if (pdwLen2)
 508                 *pdwLen2 = dwWriteLen - (This->maplen - dwWritePosition);
 509         }
 510     } else {
 511         if (ppvAudio1)
 512             *ppvAudio1 = This->buffer + dwWritePosition;
 513
 514         if (dwWritePosition + dwWriteLen < This->buflen) {
 515             if (pdwLen1)
 516                 *pdwLen1 = dwWriteLen;
 517             if (ppvAudio2)
 518                 *ppvAudio2 = 0;
 519             if (pdwLen2)
 520                 *pdwLen2 = 0;
 521         } else {
 522             if (pdwLen1)
 523                 *pdwLen1 = This->buflen - dwWritePosition;
 524             if (ppvAudio2)
 525                 *ppvAudio2 = 0;
 526             if (pdwLen2)
 527                 *pdwLen2 = dwWriteLen - (This->buflen - dwWritePosition);
 528         }
 529     }
 530
 531     return DS_OK;
 532 }
 533
 534 static HRESULT WINAPI IDsCaptureDriverBufferImpl_Unlock(
 535     PIDSCDRIVERBUFFER iface,
 536     LPVOID pvAudio1,
 537     DWORD dwLen1,
 538     LPVOID pvAudio2,
 539     DWORD dwLen2)
 540 {
 541     IDsCaptureDriverBufferImpl *This = (IDsCaptureDriverBufferImpl *)iface;
 542     TRACE("(%p,%p,%d,%p,%d)\n",This,pvAudio1,dwLen1,pvAudio2,dwLen2);
 543
 544     if (This->is_direct_map)
 545         This->map_readpos = (This->map_readpos + dwLen1 + dwLen2) % This->maplen;
 546     else
 547         This->readptr = (This->readptr + dwLen1 + dwLen2) % This->buflen;
 548
 549     return DS_OK;
 550 }
 551
 552 static HRESULT WINAPI IDsCaptureDriverBufferImpl_GetPosition(
 553     PIDSCDRIVERBUFFER iface,
 554     LPDWORD lpdwCapture,
 555     LPDWORD lpdwRead)
 556 {
 557     IDsCaptureDriverBufferImpl *This = (IDsCaptureDriverBufferImpl *)iface;
 558     TRACE("(%p,%p,%p)\n",This,lpdwCapture,lpdwRead);
 559
 560     if (WInDev[This->drv->wDevID].state == WINE_WS_CLOSED) {
 561         ERR("device not open, but accessing?\n");
 562         return DSERR_UNINITIALIZED;
 563     }
 564
 565     if (!This->is_capturing) {
 566         if (lpdwCapture)
 567             *lpdwCapture = 0;
 568         if (lpdwRead)
 569             *lpdwRead = 0;
 570     }
 571
 572     if (This->is_direct_map) {
 573         if (lpdwCapture)
 574             *lpdwCapture = This->map_writepos;
 575         if (lpdwRead) {
 576             *lpdwRead = This->map_readpos;
 577         }
 578     } else {
 579         if (lpdwCapture)
 580             *lpdwCapture = This->writeptr;
 581         if (lpdwRead)
 582             *lpdwRead = This->readptr;
 583     }
 584
 585     TRACE("capturepos=%d, readpos=%d\n", lpdwCapture?*lpdwCapture:0,
 586           lpdwRead?*lpdwRead:0);
 587     return DS_OK;
 588 }
 589
 590 static HRESULT WINAPI IDsCaptureDriverBufferImpl_GetStatus(
 591     PIDSCDRIVERBUFFER iface,
 592     LPDWORD lpdwStatus)
 593 {
 594     IDsCaptureDriverBufferImpl *This = (IDsCaptureDriverBufferImpl *)iface;
 595     TRACE("(%p,%p)\n",This,lpdwStatus);
 596
 597     if (This->is_capturing) {
 598         if (This->is_looping)
 599             *lpdwStatus = DSCBSTATUS_CAPTURING | DSCBSTATUS_LOOPING;
 600         else
 601             *lpdwStatus = DSCBSTATUS_CAPTURING;
 602     } else
 603         *lpdwStatus = 0;
 604
 605     return DS_OK;
 606 }
 607
 608 static HRESULT WINAPI IDsCaptureDriverBufferImpl_Start(
 609     PIDSCDRIVERBUFFER iface,
 610     DWORD dwFlags)
 611 {
 612     IDsCaptureDriverBufferImpl *This = (IDsCaptureDriverBufferImpl *)iface;
 613     int enable;
 614     TRACE("(%p,%x)\n",This,dwFlags);
 615
 616     if (This->is_capturing)
 617         return DS_OK;
 618
 619     if (dwFlags & DSCBSTART_LOOPING)
 620         This->is_looping = TRUE;
 621
 622     WInDev[This->drv->wDevID].ossdev.bInputEnabled = TRUE;
 623     enable = getEnables(&WInDev[This->drv->wDevID].ossdev);
 624     if (ioctl(WInDev[This->drv->wDevID].ossdev.fd, SNDCTL_DSP_SETTRIGGER, &enable) < 0) {
 625         if (errno == EINVAL) {
 626             /* Don't give up yet. OSS trigger support is inconsistent. */
 627             if (WInDev[This->drv->wDevID].ossdev.open_count == 1) {
 628                 /* try the opposite output enable */
 629                 if (WInDev[This->drv->wDevID].ossdev.bOutputEnabled == FALSE)
 630                     WInDev[This->drv->wDevID].ossdev.bOutputEnabled = TRUE;
 631                 else
 632                     WInDev[This->drv->wDevID].ossdev.bOutputEnabled = FALSE;
 633                 /* try it again */
 634                 enable = getEnables(&WInDev[This->drv->wDevID].ossdev);
 635                 if (ioctl(WInDev[This->drv->wDevID].ossdev.fd, SNDCTL_DSP_SETTRIGGER, &enable) >= 0) {
 636                     This->is_capturing = TRUE;
 637                     return DS_OK;
 638                 }
 639             }
 640         }
 641         ERR("ioctl(%s, SNDCTL_DSP_SETTRIGGER) failed (%s)\n",
 642             WInDev[This->drv->wDevID].ossdev.dev_name, strerror(errno));
 643         WInDev[This->drv->wDevID].ossdev.bInputEnabled = FALSE;
 644         return DSERR_GENERIC;
 645     }
 646
 647     This->is_capturing = TRUE;
 648     return DS_OK;
 649 }
 650
 651 static HRESULT WINAPI IDsCaptureDriverBufferImpl_Stop(PIDSCDRIVERBUFFER iface)
 652 {
 653     IDsCaptureDriverBufferImpl *This = (IDsCaptureDriverBufferImpl *)iface;
 654     int enable;
 655     TRACE("(%p)\n",This);
 656
 657     if (!This->is_capturing)
 658         return DS_OK;
 659
 660     /* no more capturing */
 661     WInDev[This->drv->wDevID].ossdev.bInputEnabled = FALSE;
 662     enable = getEnables(&WInDev[This->drv->wDevID].ossdev);
 663     if (ioctl(WInDev[This->drv->wDevID].ossdev.fd, SNDCTL_DSP_SETTRIGGER, &enable) < 0) {
 664         ERR("ioctl(%s, SNDCTL_DSP_SETTRIGGER) failed (%s)\n",
 665             WInDev[This->drv->wDevID].ossdev.dev_name,  strerror(errno));
 666         return DSERR_GENERIC;
 667     }
 668
 669     /* send a final event if necessary */
 670     if (This->nrofnotifies > 0) {
 671         if (This->notifies[This->nrofnotifies - 1].dwOffset == DSBPN_OFFSETSTOP)
 672             SetEvent(This->notifies[This->nrofnotifies - 1].hEventNotify);
 673     }
 674
 675     This->is_capturing = FALSE;
 676     This->is_looping = FALSE;
 677
 678     if (This->hThread) {
 679         int x = 0;
 680         write(This->pipe_fd[1], &x, sizeof(x));
 681         WaitForSingleObject(This->hExitEvent, INFINITE);
 682         CloseHandle(This->hExitEvent);
 683         This->hExitEvent = INVALID_HANDLE_VALUE;
 684         This->hThread = 0;
 685     }
 686
 687     return DS_OK;
 688 }
 689
 690 static HRESULT WINAPI IDsCaptureDriverBufferImpl_SetFormat(
 691     PIDSCDRIVERBUFFER iface,
 692     LPWAVEFORMATEX pwfx)
 693 {
 694     IDsCaptureDriverBufferImpl *This = (IDsCaptureDriverBufferImpl *)iface;
 695     FIXME("(%p): stub!\n",This);
 696     return DSERR_UNSUPPORTED;
 697 }
 698
 699 static const IDsCaptureDriverBufferVtbl dscdbvt =
 700 {
 701     IDsCaptureDriverBufferImpl_QueryInterface,
 702     IDsCaptureDriverBufferImpl_AddRef,
 703     IDsCaptureDriverBufferImpl_Release,
 704     IDsCaptureDriverBufferImpl_Lock,
 705     IDsCaptureDriverBufferImpl_Unlock,
 706     IDsCaptureDriverBufferImpl_SetFormat,
 707     IDsCaptureDriverBufferImpl_GetPosition,
 708     IDsCaptureDriverBufferImpl_GetStatus,
 709     IDsCaptureDriverBufferImpl_Start,
 710     IDsCaptureDriverBufferImpl_Stop
 711 };
 712
 713 static HRESULT WINAPI IDsCaptureDriverImpl_QueryInterface(
 714     PIDSCDRIVER iface,
 715     REFIID riid,
 716     LPVOID *ppobj)
 717 {
 718     IDsCaptureDriverImpl *This = (IDsCaptureDriverImpl *)iface;
 719     TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
 720
 721     if ( IsEqualGUID(riid, &IID_IUnknown) ||
 722          IsEqualGUID(riid, &IID_IDsCaptureDriver) ) {
 723         IDsCaptureDriver_AddRef(iface);
 724         *ppobj = (LPVOID)This;
 725         return DS_OK;
 726     }
 727
 728     FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
 729
 730     *ppobj = 0;
 731
 732     return E_NOINTERFACE;
 733 }
 734
 735 static ULONG WINAPI IDsCaptureDriverImpl_AddRef(PIDSCDRIVER iface)
 736 {
 737     IDsCaptureDriverImpl *This = (IDsCaptureDriverImpl *)iface;
 738     ULONG refCount = InterlockedIncrement(&This->ref);
 739
 740     TRACE("(%p) ref was %d\n", This, refCount - 1);
 741
 742     return refCount;
 743 }
 744
 745 static ULONG WINAPI IDsCaptureDriverImpl_Release(PIDSCDRIVER iface)
 746 {
 747     IDsCaptureDriverImpl *This = (IDsCaptureDriverImpl *)iface;
 748     ULONG refCount = InterlockedDecrement(&This->ref);
 749
 750     TRACE("(%p) ref was %d\n", This, refCount + 1);
 751
 752     if (!refCount) {
 753         HeapFree(GetProcessHeap(),0,This);
 754         TRACE("(%p) released\n",This);
 755     }
 756     return refCount;
 757 }
 758
 759 static HRESULT WINAPI IDsCaptureDriverImpl_GetDriverDesc(
 760     PIDSCDRIVER iface,
 761     PDSDRIVERDESC pDesc)
 762 {
 763     IDsCaptureDriverImpl *This = (IDsCaptureDriverImpl *)iface;
 764     TRACE("(%p,%p)\n",This,pDesc);
 765
 766     if (!pDesc) {
 767         TRACE("invalid parameter\n");
 768         return DSERR_INVALIDPARAM;
 769     }
 770
 771     /* copy version from driver */
 772     *pDesc = WInDev[This->wDevID].ossdev.ds_desc;
 773
 774     pDesc->dnDevNode            = WInDev[This->wDevID].waveDesc.dnDevNode;
 775     pDesc->wVxdId               = 0;
 776     pDesc->wReserved            = 0;
 777     pDesc->ulDeviceNum          = This->wDevID;
 778     pDesc->dwHeapType           = DSDHEAP_NOHEAP;
 779     pDesc->pvDirectDrawHeap     = NULL;
 780     pDesc->dwMemStartAddress    = 0;
 781     pDesc->dwMemEndAddress      = 0;
 782     pDesc->dwMemAllocExtra      = 0;
 783     pDesc->pvReserved1          = NULL;
 784     pDesc->pvReserved2          = NULL;
 785     return DS_OK;
 786 }
 787
 788 static HRESULT WINAPI IDsCaptureDriverImpl_Open(PIDSCDRIVER iface)
 789 {
 790     IDsCaptureDriverImpl *This = (IDsCaptureDriverImpl *)iface;
 791     TRACE("(%p)\n",This);
 792     return DS_OK;
 793 }
 794
 795 static HRESULT WINAPI IDsCaptureDriverImpl_Close(PIDSCDRIVER iface)
 796 {
 797     IDsCaptureDriverImpl *This = (IDsCaptureDriverImpl *)iface;
 798     TRACE("(%p)\n",This);
 799     if (This->capture_buffer) {
 800         ERR("problem with DirectSound: capture buffer not released\n");
 801         return DSERR_GENERIC;
 802     }
 803     return DS_OK;
 804 }
 805
 806 static HRESULT WINAPI IDsCaptureDriverImpl_GetCaps(
 807     PIDSCDRIVER iface,
 808     PDSCDRIVERCAPS pCaps)
 809 {
 810     IDsCaptureDriverImpl *This = (IDsCaptureDriverImpl *)iface;
 811     TRACE("(%p,%p)\n",This,pCaps);
 812     *pCaps = WInDev[This->wDevID].ossdev.dsc_caps;
 813     return DS_OK;
 814 }
 815
 816 static void DSCDB_CheckEvent(
 817     IDsCaptureDriverBufferImpl *dscb,
 818     DWORD writepos,
 819     DWORD len,
 820     DWORD buflen)
 821 {
 822     LPDSBPOSITIONNOTIFY event = dscb->notifies + dscb->notify_index;
 823     DWORD offset = event->dwOffset;
 824     TRACE("(%p,%d,%d,%d)\n", dscb, writepos, len, buflen);
 825
 826     TRACE("(%p) buflen = %d, writeptr = %d\n",
 827         dscb, dscb->buflen, dscb->writeptr);
 828     TRACE("checking %d, position %d, event = %p\n",
 829         dscb->notify_index, offset, event->hEventNotify);
 830
 831     if ((writepos + len) > offset) {
 832          TRACE("signalled event %p (%d) %d\n",
 833                event->hEventNotify, dscb->notify_index, offset);
 834          SetEvent(event->hEventNotify);
 835          dscb->notify_index = (dscb->notify_index + 1) % dscb->nrofnotifies;
 836          return;
 837     } else if ((writepos + len) > buflen) {
 838         writepos = writepos + len - buflen;
 839         if ((writepos + len) > offset) {
 840              TRACE("signalled event %p (%d) %d\n",
 841                    event->hEventNotify, dscb->notify_index, offset);
 842              SetEvent(event->hEventNotify);
 843              dscb->notify_index = (dscb->notify_index + 1) % dscb->nrofnotifies;
 844              return;
 845         }
 846     }
 847
 848     return;
 849 }
 850
 851 /* FIXME: using memcpy can cause strange crashes so use this fake one */
 852 static void * my_memcpy(void * dst, const void * src, int length)
 853 {
 854     int i;
 855     for (i = 0; i < length; i++)
 856         ((char *)dst)[i] = ((const char *)src)[i];
 857     return dst;
 858 }
 859
 860 static DWORD CALLBACK DSCDB_Thread(LPVOID lpParameter)
 861 {
 862     IDsCaptureDriverBufferImpl *This = (IDsCaptureDriverBufferImpl *)lpParameter;
 863     struct pollfd poll_list[2];
 864     int retval;
 865     DWORD offset = 0;
 866     DWORD map_offset = 0;
 867     TRACE("(%p)\n", lpParameter);
 868
 869     poll_list[0].fd = This->fd;                /* data available */
 870     poll_list[1].fd = This->pipe_fd[0];        /* message from parent process */
 871     poll_list[0].events = POLLIN;
 872     poll_list[1].events = POLLIN;
 873
 874     /* let other process know we are running */
 875     SetEvent(This->hStartUpEvent);
 876
 877     while (1) {
 878         /* wait for something to happen */
 879         retval = poll(poll_list,(unsigned long)2,-1);
 880         /* Retval will always be greater than 0 or -1 in this case.
 881          * Since we're doing it while blocking
 882          */
 883         if (retval < 0) {
 884             ERR("Error while polling: %s\n",strerror(errno));
 885             continue;
 886         }
 887
 888         /* check for exit command */
 889         if ((poll_list[1].revents & POLLIN) == POLLIN) {
 890             TRACE("(%p) done\n", lpParameter);
 891             /* acknowledge command and exit */
 892             SetEvent(This->hExitEvent);
 893             ExitThread(0);
 894             return 0;
 895         }
 896
 897         /* check for data */
 898         if ((poll_list[0].revents & POLLIN) == POLLIN) {
 899             count_info info;
 900             int fragsize, first, second;
 901
 902             /* get the current DMA position */
 903             if (ioctl(This->fd, SNDCTL_DSP_GETIPTR, &info) < 0) {
 904                 ERR("ioctl(%s, SNDCTL_DSP_GETIPTR) failed (%s)\n",
 905                     WInDev[This->drv->wDevID].ossdev.dev_name, strerror(errno));
 906                 return DSERR_GENERIC;
 907             }
 908
 909             if (This->is_direct_map) {
 910                 offset = This->map_writepos;
 911                 This->map_writepos = info.ptr;
 912
 913                 if (info.ptr < offset)
 914                     fragsize = info.ptr + This->maplen - offset;
 915                 else
 916                     fragsize = info.ptr - offset;
 917
 918                 DSCDB_CheckEvent(This, offset, fragsize, This->maplen);
 919             } else {
 920                 map_offset = This->map_writepos;
 921                 offset = This->writeptr;
 922
 923                 /* test for mmap buffer wrap */
 924                 if (info.ptr < map_offset) {
 925                     /* mmap buffer wrapped */
 926                     fragsize = info.ptr + This->maplen - map_offset;
 927
 928                     /* check for user buffer wrap */
 929                     if ((offset + fragsize) > This->buflen) {
 930                         /* both buffers wrapped
 931                          * figure out which wrapped first
 932                          */
 933                         if ((This->maplen - map_offset) > (This->buflen - offset)) {
 934                             /* user buffer wrapped first */
 935                             first = This->buflen - offset;
 936                             second = (This->maplen - map_offset) - first;
 937                             my_memcpy(This->buffer + offset, This->mapping + map_offset, first);
 938                             my_memcpy(This->buffer, This->mapping + map_offset + first, second);
 939                             my_memcpy(This->buffer + second, This->mapping, fragsize - (first + second));
 940                         } else {
 941                             /* mmap buffer wrapped first */
 942                             first = This->maplen - map_offset;
 943                             second = (This->buflen - offset) - first;
 944                             my_memcpy(This->buffer + offset, This->mapping + map_offset, first);
 945                             my_memcpy(This->buffer + offset + first, This->mapping, second);
 946                             my_memcpy(This->buffer, This->mapping + second, fragsize - (first + second));
 947                         }
 948                     } else {
 949                         /* only mmap buffer wrapped */
 950                         first = This->maplen - map_offset;
 951                         my_memcpy(This->buffer + offset, This->mapping + map_offset, first);
 952                         my_memcpy(This->buffer + offset + first, This->mapping, fragsize - first);
 953                     }
 954                 } else {
 955                     /* mmap buffer didn't wrap */
 956                     fragsize = info.ptr - map_offset;
 957
 958                     /* check for user buffer wrap */
 959                     if ((offset + fragsize) > This->buflen) {
 960                         first = This->buflen - offset;
 961                         my_memcpy(This->buffer + offset, This->mapping + map_offset, first);
 962                         my_memcpy(This->buffer, This->mapping + map_offset + first, fragsize - first);
 963                     } else
 964                         my_memcpy(This->buffer + offset, This->mapping + map_offset, fragsize);
 965                 }
 966
 967                 This->map_writepos = info.ptr;
 968                 This->writeptr = (This->writeptr + fragsize) % This->buflen;
 969                 DSCDB_CheckEvent(This, offset, fragsize, This->buflen);
 970             }
 971         }
 972     }
 973 }
 974
 975 static HRESULT WINAPI IDsCaptureDriverImpl_CreateCaptureBuffer(
 976     PIDSCDRIVER iface,
 977     LPWAVEFORMATEX pwfx,
 978     DWORD dwFlags,
 979     DWORD dwCardAddress,
 980     LPDWORD pdwcbBufferSize,
 981     LPBYTE *ppbBuffer,
 982     LPVOID *ppvObj)
 983 {
 984     IDsCaptureDriverImpl *This = (IDsCaptureDriverImpl *)iface;
 985     IDsCaptureDriverBufferImpl** ippdscdb = (IDsCaptureDriverBufferImpl**)ppvObj;
 986     HRESULT err;
 987     audio_buf_info info;
 988     int audio_fragment, fsize, shift, ret;
 989     BOOL bNewBuffer = FALSE;
 990     WINE_WAVEIN* wwi;
 991     TRACE("(%p,%p,%x,%x,%p,%p,%p)\n",This,pwfx,dwFlags,dwCardAddress,
 992           pdwcbBufferSize,ppbBuffer,ppvObj);
 993
 994     if (This->capture_buffer) {
 995         TRACE("already allocated\n");
 996         return DSERR_ALLOCATED;
 997     }
 998
 999     /* must be given a buffer size */
1000     if (pdwcbBufferSize == NULL || *pdwcbBufferSize == 0) {
1001        TRACE("invalid parameter: pdwcbBufferSize\n");
1002        return DSERR_INVALIDPARAM;
1003     }
1004
1005     /* must be given a buffer pointer */
1006     if (ppbBuffer == NULL) {
1007        TRACE("invalid parameter: ppbBuffer\n");
1008        return DSERR_INVALIDPARAM;
1009     }
1010
1011     /* may or may not be given a buffer */
1012     if (*ppbBuffer == NULL) {
1013         TRACE("creating buffer\n");
1014         bNewBuffer = TRUE;     /* not given a buffer so create one */
1015     } else
1016         TRACE("using supplied buffer\n");
1017
1018     *ippdscdb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(IDsCaptureDriverBufferImpl));
1019     if (*ippdscdb == NULL) {
1020         TRACE("out of memory\n");
1021         return DSERR_OUTOFMEMORY;
1022     }
1023
1024     (*ippdscdb)->lpVtbl       = &dscdbvt;
1025     (*ippdscdb)->ref          = 1;
1026     (*ippdscdb)->drv          = This;
1027     (*ippdscdb)->notify       = NULL;
1028     (*ippdscdb)->notify_index = 0;
1029     (*ippdscdb)->notifies     = NULL;
1030     (*ippdscdb)->nrofnotifies = 0;
1031     (*ippdscdb)->property_set = NULL;
1032     (*ippdscdb)->is_capturing = FALSE;
1033     (*ippdscdb)->is_looping   = FALSE;
1034     (*ippdscdb)->wfx          = *pwfx;
1035     (*ippdscdb)->buflen       = *pdwcbBufferSize;
1036
1037     if (bNewBuffer)
1038         (*ippdscdb)->buffer = NULL;
1039     else
1040         (*ippdscdb)->buffer = *ppbBuffer;
1041
1042     wwi = &WInDev[This->wDevID];
1043
1044     if (wwi->state == WINE_WS_CLOSED) {
1045         unsigned int frag_size;
1046
1047         if (wwi->ossdev.open_count > 0) {
1048             /* opened already so use existing fragment size */
1049             audio_fragment = wwi->ossdev.audio_fragment;
1050         } else {
1051             /* calculate a fragment size */
1052             unsigned int mask = 0xffffffff;
1053
1054             /* calculate largest fragment size less than 10 ms. */
1055             fsize = pwfx->nAvgBytesPerSec / 100;        /* 10 ms chunk */
1056             shift = 0;
1057             while ((1 << shift) <= fsize)
1058                 shift++;
1059             shift--;
1060             fsize = 1 << shift;
1061             TRACE("shift = %d, fragment size = %d\n", shift, fsize);
1062             TRACE("BufferSize=%d(%08x)\n", *pdwcbBufferSize, *pdwcbBufferSize);
1063
1064             /* See if we can directly map the buffer first.
1065              * (buffer length is multiple of a power of 2)
1066              */
1067             mask = (mask >> (32 - shift));
1068             TRACE("mask=%08x\n", mask);
1069             if (*pdwcbBufferSize & mask) {
1070                 /* no so try a smaller fragment size greater than 1 ms */
1071                 int new_shift = shift - 1;
1072                 int min_shift = 0;
1073                 int min_fsize = pwfx->nAvgBytesPerSec / 1000;
1074                 BOOL found_one = FALSE;
1075                 while ((1 << min_shift) <= min_fsize)
1076                     min_shift++;
1077                 min_shift--;
1078                 while (new_shift > min_shift) {
1079                     if (*pdwcbBufferSize & (-1 >> (32 - new_shift))) {
1080                         new_shift--;
1081                         continue;
1082                     } else {
1083                         found_one = TRUE;
1084                         break;
1085                     }
1086                 }
1087                 if (found_one) {
1088                     /* found a smaller one that will work */
1089                     audio_fragment = ((*pdwcbBufferSize >> new_shift) << 16) | new_shift;
1090                     (*ippdscdb)->is_direct_map = TRUE;
1091                     TRACE("new shift = %d, fragment size = %d\n",
1092                           new_shift, 1 << (audio_fragment & 0xffff));
1093                 } else {
1094                     /* buffer can't be direct mapped */
1095                     audio_fragment = 0x00100000 + shift;        /* 16 fragments of 2^shift */
1096                     (*ippdscdb)->is_direct_map = FALSE;
1097                 }
1098             } else {
1099                 /* good fragment size */
1100                 audio_fragment = ((*pdwcbBufferSize >> shift) << 16) | shift;
1101                 (*ippdscdb)->is_direct_map = TRUE;
1102             }
1103         }
1104         frag_size = 1 << (audio_fragment & 0xffff);
1105         TRACE("is_direct_map = %s\n", (*ippdscdb)->is_direct_map ? "TRUE" : "FALSE");
1106         TRACE("requesting %d %d byte fragments (%d bytes) (%d ms/fragment)\n",
1107               audio_fragment >> 16, frag_size, frag_size * (audio_fragment >> 16),
1108               (frag_size * 1000) / pwfx->nAvgBytesPerSec);
1109
1110         ret = OSS_OpenDevice(&wwi->ossdev, O_RDWR, &audio_fragment, 1,
1111                              pwfx->nSamplesPerSec,
1112                              (pwfx->nChannels > 1) ? 1 : 0,
1113                              (pwfx->wBitsPerSample == 16)
1114                              ? AFMT_S16_LE : AFMT_U8);
1115
1116         if (ret != 0) {
1117             WARN("OSS_OpenDevice failed\n");
1118             HeapFree(GetProcessHeap(),0,*ippdscdb);
1119             *ippdscdb = NULL;
1120             return DSERR_GENERIC;
1121         }
1122
1123         wwi->state = WINE_WS_STOPPED;
1124
1125         /* find out what fragment and buffer sizes OSS gave us */
1126         if (ioctl(wwi->ossdev.fd, SNDCTL_DSP_GETISPACE, &info) < 0) {
1127              ERR("ioctl(%s, SNDCTL_DSP_GETISPACE) failed (%s)\n",
1128                  wwi->ossdev.dev_name, strerror(errno));
1129              OSS_CloseDevice(&wwi->ossdev);
1130              wwi->state = WINE_WS_CLOSED;
1131              HeapFree(GetProcessHeap(),0,*ippdscdb);
1132              *ippdscdb = NULL;
1133              return DSERR_GENERIC;
1134         }
1135
1136         TRACE("got %d %d byte fragments (%d bytes) (%d ms/fragment)\n",
1137               info.fragstotal, info.fragsize, info.fragstotal * info.fragsize,
1138               info.fragsize * 1000 / pwfx->nAvgBytesPerSec);
1139
1140         wwi->dwTotalRecorded = 0;
1141         memcpy(&wwi->waveFormat, pwfx, sizeof(PCMWAVEFORMAT));
1142         wwi->dwFragmentSize = info.fragsize;
1143
1144         /* make sure we got what we asked for */
1145         if ((*ippdscdb)->buflen != info.fragstotal * info.fragsize) {
1146             TRACE("Couldn't create requested buffer\n");
1147             if ((*ippdscdb)->is_direct_map) {
1148                 (*ippdscdb)->is_direct_map = FALSE;
1149                 TRACE("is_direct_map = FALSE\n");
1150             }
1151         } else if (info.fragsize != frag_size) {
1152             TRACE("same buffer length but different fragment size\n");
1153         }
1154     }
1155     (*ippdscdb)->fd = WInDev[This->wDevID].ossdev.fd;
1156
1157     if (pipe((*ippdscdb)->pipe_fd) < 0) {
1158         TRACE("pipe() failed (%s)\n", strerror(errno));
1159         OSS_CloseDevice(&wwi->ossdev);
1160         wwi->state = WINE_WS_CLOSED;
1161         HeapFree(GetProcessHeap(),0,*ippdscdb);
1162         *ippdscdb = NULL;
1163         return DSERR_GENERIC;
1164     }
1165
1166     /* check how big the DMA buffer is now */
1167     if (ioctl(wwi->ossdev.fd, SNDCTL_DSP_GETISPACE, &info) < 0) {
1168         ERR("ioctl(%s, SNDCTL_DSP_GETISPACE) failed (%s)\n",
1169             wwi->ossdev.dev_name, strerror(errno));
1170         OSS_CloseDevice(&wwi->ossdev);
1171         wwi->state = WINE_WS_CLOSED;
1172         close((*ippdscdb)->pipe_fd[0]);
1173         close((*ippdscdb)->pipe_fd[1]);
1174         HeapFree(GetProcessHeap(),0,*ippdscdb);
1175         *ippdscdb = NULL;
1176         return DSERR_GENERIC;
1177     }
1178
1179     (*ippdscdb)->maplen = info.fragstotal * info.fragsize;
1180     (*ippdscdb)->fragsize = info.fragsize;
1181     (*ippdscdb)->map_writepos = 0;
1182     (*ippdscdb)->map_readpos = 0;
1183
1184     /* map the DMA buffer */
1185     err = DSCDB_MapBuffer(*ippdscdb);
1186     if (err != DS_OK) {
1187         OSS_CloseDevice(&wwi->ossdev);
1188         wwi->state = WINE_WS_CLOSED;
1189         close((*ippdscdb)->pipe_fd[0]);
1190         close((*ippdscdb)->pipe_fd[1]);
1191         HeapFree(GetProcessHeap(),0,*ippdscdb);
1192         *ippdscdb = NULL;
1193         return err;
1194     }
1195
1196     /* create the buffer if necessary */
1197     if (!(*ippdscdb)->buffer)
1198         (*ippdscdb)->buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,(*ippdscdb)->buflen);
1199
1200     if ((*ippdscdb)->buffer == NULL) {
1201         OSS_CloseDevice(&wwi->ossdev);
1202         wwi->state = WINE_WS_CLOSED;
1203         close((*ippdscdb)->pipe_fd[0]);
1204         close((*ippdscdb)->pipe_fd[1]);
1205         HeapFree(GetProcessHeap(),0,*ippdscdb);
1206         *ippdscdb = NULL;
1207         return DSERR_OUTOFMEMORY;
1208     }
1209
1210     This->capture_buffer = *ippdscdb;
1211
1212     (*ippdscdb)->hStartUpEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
1213     (*ippdscdb)->hExitEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
1214
1215     (*ippdscdb)->hThread = CreateThread(NULL, 0,  DSCDB_Thread, (LPVOID)(*ippdscdb), 0, &((*ippdscdb)->dwThreadID));
1216     WaitForSingleObject((*ippdscdb)->hStartUpEvent, INFINITE);
1217     CloseHandle((*ippdscdb)->hStartUpEvent);
1218     (*ippdscdb)->hStartUpEvent = INVALID_HANDLE_VALUE;
1219
1220     return DS_OK;
1221 }
1222
1223 static const IDsCaptureDriverVtbl dscdvt =
1224 {
1225     IDsCaptureDriverImpl_QueryInterface,
1226     IDsCaptureDriverImpl_AddRef,
1227     IDsCaptureDriverImpl_Release,
1228     IDsCaptureDriverImpl_GetDriverDesc,
1229     IDsCaptureDriverImpl_Open,
1230     IDsCaptureDriverImpl_Close,
1231     IDsCaptureDriverImpl_GetCaps,
1232     IDsCaptureDriverImpl_CreateCaptureBuffer
1233 };
1234
1235 static HRESULT IDsCaptureDriverPropertySetImpl_Create(
1236     IDsCaptureDriverBufferImpl * dscdb,
1237     IDsCaptureDriverPropertySetImpl **pdscdps)
1238 {
1239     IDsCaptureDriverPropertySetImpl * dscdps;
1240     TRACE("(%p,%p)\n",dscdb,pdscdps);
1241
1242     dscdps = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*dscdps));
1243     if (dscdps == NULL) {
1244         WARN("out of memory\n");
1245         return DSERR_OUTOFMEMORY;
1246     }
1247
1248     dscdps->ref = 0;
1249     dscdps->lpVtbl = &dscdpsvt;
1250     dscdps->capture_buffer = dscdb;
1251     dscdb->property_set = dscdps;
1252     IDsCaptureDriverBuffer_AddRef((PIDSCDRIVER)dscdb);
1253
1254     *pdscdps = dscdps;
1255     return DS_OK;
1256 }
1257
1258 static HRESULT IDsCaptureDriverNotifyImpl_Create(
1259     IDsCaptureDriverBufferImpl * dscdb,
1260     IDsCaptureDriverNotifyImpl **pdscdn)
1261 {
1262     IDsCaptureDriverNotifyImpl * dscdn;
1263     TRACE("(%p,%p)\n",dscdb,pdscdn);
1264
1265     dscdn = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*dscdn));
1266     if (dscdn == NULL) {
1267         WARN("out of memory\n");
1268         return DSERR_OUTOFMEMORY;
1269     }
1270
1271     dscdn->ref = 0;
1272     dscdn->lpVtbl = &dscdnvt;
1273     dscdn->capture_buffer = dscdb;
1274     dscdb->notify = dscdn;
1275     IDsCaptureDriverBuffer_AddRef((PIDSCDRIVER)dscdb);
1276
1277     *pdscdn = dscdn;
1278     return DS_OK;
1279 }
1280
1281 DWORD widDsCreate(UINT wDevID, PIDSCDRIVER* drv)
1282 {
1283     IDsCaptureDriverImpl** idrv = (IDsCaptureDriverImpl**)drv;
1284     TRACE("(%d,%p)\n",wDevID,drv);
1285
1286     /* the HAL isn't much better than the HEL if we can't do mmap() */
1287     if (!(WInDev[wDevID].ossdev.in_caps_support & WAVECAPS_DIRECTSOUND)) {
1288         ERR("DirectSoundCapture flag not set\n");
1289         MESSAGE("This sound card's driver does not support direct access\n");
1290         MESSAGE("The (slower) DirectSound HEL mode will be used instead.\n");
1291         return MMSYSERR_NOTSUPPORTED;
1292     }
1293
1294     *idrv = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(IDsCaptureDriverImpl));
1295     if (!*idrv)
1296         return MMSYSERR_NOMEM;
1297     (*idrv)->lpVtbl     = &dscdvt;
1298     (*idrv)->ref        = 1;
1299
1300     (*idrv)->wDevID     = wDevID;
1301     (*idrv)->capture_buffer = NULL;
1302     return MMSYSERR_NOERROR;
1303 }
1304
1305 DWORD widDsDesc(UINT wDevID, PDSDRIVERDESC desc)
1306 {
1307     memcpy(desc, &(WInDev[wDevID].ossdev.ds_desc), sizeof(DSDRIVERDESC));
1308     return MMSYSERR_NOERROR;
1309 }
1310
1311 #endif /* HAVE_OSS */