git.oblomov.eu Git - wine/blob - dlls/winmm/wineoss/audio.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  * FIXME:
  25  *      pause in waveOut does not work correctly in loop mode
  26  *      Direct Sound Capture driver does not work (not complete yet)
  27  */
  28
  29 /* an exact wodGetPosition is usually not worth the extra context switches,
  30  * as we're going to have near fragment accuracy anyway */
  31 #define EXACT_WODPOSITION
  32 #define EXACT_WIDPOSITION
  33
  34 #include "config.h"
  35 #include "wine/port.h"
  36
  37 #include <stdlib.h>
  38 #include <stdarg.h>
  39 #include <stdio.h>
  40 #include <string.h>
  41 #ifdef HAVE_UNISTD_H
  42 # include <unistd.h>
  43 #endif
  44 #include <errno.h>
  45 #include <fcntl.h>
  46 #ifdef HAVE_SYS_IOCTL_H
  47 # include <sys/ioctl.h>
  48 #endif
  49 #ifdef HAVE_SYS_MMAN_H
  50 # include <sys/mman.h>
  51 #endif
  52 #ifdef HAVE_POLL_H
  53 #include <poll.h>
  54 #endif
  55 #ifdef HAVE_SYS_POLL_H
  56 # include <sys/poll.h>
  57 #endif
  58
  59 #include "windef.h"
  60 #include "winbase.h"
  61 #include "wingdi.h"
  62 #include "winuser.h"
  63 #include "winnls.h"
  64 #include "winerror.h"
  65 #include "mmddk.h"
  66 #include "mmreg.h"
  67 #include "dsound.h"
  68 #include "dsdriver.h"
  69 #include "ks.h"
  70 #include "ksguid.h"
  71 #include "ksmedia.h"
  72 #include "oss.h"
  73 #include "wine/debug.h"
  74
  75 #include "audio.h"
  76
  77 WINE_DEFAULT_DEBUG_CHANNEL(wave);
  78
  79 /* Allow 1% deviation for sample rates (some ES137x cards) */
  80 #define NEAR_MATCH(rate1,rate2) (((100*((int)(rate1)-(int)(rate2)))/(rate1))==0)
  81
  82 #ifdef HAVE_OSS
  83
  84 OSS_DEVICE      OSS_Devices[MAX_WAVEDRV];
  85 WINE_WAVEOUT    WOutDev[MAX_WAVEDRV];
  86 WINE_WAVEIN     WInDev[MAX_WAVEDRV];
  87 unsigned        numOutDev;
  88 unsigned        numInDev;
  89
  90 /* state diagram for waveOut writing:
  91  *
  92  * +---------+-------------+---------------+---------------------------------+
  93  * |  state  |  function   |     event     |            new state            |
  94  * +---------+-------------+---------------+---------------------------------+
  95  * |         | open()      |               | STOPPED                         |
  96  * | PAUSED  | write()     |               | PAUSED                          |
  97  * | STOPPED | write()     | <thrd create> | PLAYING                         |
  98  * | PLAYING | write()     | HEADER        | PLAYING                         |
  99  * | (other) | write()     | <error>       |                                 |
 100  * | (any)   | pause()     | PAUSING       | PAUSED                          |
 101  * | PAUSED  | restart()   | RESTARTING    | PLAYING (if no thrd => STOPPED) |
 102  * | (any)   | reset()     | RESETTING     | STOPPED                         |
 103  * | (any)   | close()     | CLOSING       | CLOSED                          |
 104  * +---------+-------------+---------------+---------------------------------+
 105  */
 106
 107 /* These strings used only for tracing */
 108 static const char * getCmdString(enum win_wm_message msg)
 109 {
 110     static char unknown[32];
 111 #define MSG_TO_STR(x) case x: return #x
 112     switch(msg) {
 113     MSG_TO_STR(WINE_WM_PAUSING);
 114     MSG_TO_STR(WINE_WM_RESTARTING);
 115     MSG_TO_STR(WINE_WM_RESETTING);
 116     MSG_TO_STR(WINE_WM_HEADER);
 117     MSG_TO_STR(WINE_WM_UPDATE);
 118     MSG_TO_STR(WINE_WM_BREAKLOOP);
 119     MSG_TO_STR(WINE_WM_CLOSING);
 120     MSG_TO_STR(WINE_WM_STARTING);
 121     MSG_TO_STR(WINE_WM_STOPPING);
 122     }
 123 #undef MSG_TO_STR
 124     sprintf(unknown, "UNKNOWN(0x%08x)", msg);
 125     return unknown;
 126 }
 127
 128 int getEnables(OSS_DEVICE *ossdev)
 129 {
 130     return ( (ossdev->bOutputEnabled ? PCM_ENABLE_OUTPUT : 0) |
 131              (ossdev->bInputEnabled  ? PCM_ENABLE_INPUT  : 0) );
 132 }
 133
 134 static const char * getMessage(UINT msg)
 135 {
 136     static char unknown[32];
 137 #define MSG_TO_STR(x) case x: return #x
 138     switch(msg) {
 139     MSG_TO_STR(DRVM_INIT);
 140     MSG_TO_STR(DRVM_EXIT);
 141     MSG_TO_STR(DRVM_ENABLE);
 142     MSG_TO_STR(DRVM_DISABLE);
 143     MSG_TO_STR(WIDM_OPEN);
 144     MSG_TO_STR(WIDM_CLOSE);
 145     MSG_TO_STR(WIDM_ADDBUFFER);
 146     MSG_TO_STR(WIDM_PREPARE);
 147     MSG_TO_STR(WIDM_UNPREPARE);
 148     MSG_TO_STR(WIDM_GETDEVCAPS);
 149     MSG_TO_STR(WIDM_GETNUMDEVS);
 150     MSG_TO_STR(WIDM_GETPOS);
 151     MSG_TO_STR(WIDM_RESET);
 152     MSG_TO_STR(WIDM_START);
 153     MSG_TO_STR(WIDM_STOP);
 154     MSG_TO_STR(WODM_OPEN);
 155     MSG_TO_STR(WODM_CLOSE);
 156     MSG_TO_STR(WODM_WRITE);
 157     MSG_TO_STR(WODM_PAUSE);
 158     MSG_TO_STR(WODM_GETPOS);
 159     MSG_TO_STR(WODM_BREAKLOOP);
 160     MSG_TO_STR(WODM_PREPARE);
 161     MSG_TO_STR(WODM_UNPREPARE);
 162     MSG_TO_STR(WODM_GETDEVCAPS);
 163     MSG_TO_STR(WODM_GETNUMDEVS);
 164     MSG_TO_STR(WODM_GETPITCH);
 165     MSG_TO_STR(WODM_SETPITCH);
 166     MSG_TO_STR(WODM_GETPLAYBACKRATE);
 167     MSG_TO_STR(WODM_SETPLAYBACKRATE);
 168     MSG_TO_STR(WODM_GETVOLUME);
 169     MSG_TO_STR(WODM_SETVOLUME);
 170     MSG_TO_STR(WODM_RESTART);
 171     MSG_TO_STR(WODM_RESET);
 172     MSG_TO_STR(DRV_QUERYDEVICEINTERFACESIZE);
 173     MSG_TO_STR(DRV_QUERYDEVICEINTERFACE);
 174     MSG_TO_STR(DRV_QUERYDSOUNDIFACE);
 175     MSG_TO_STR(DRV_QUERYDSOUNDDESC);
 176     }
 177 #undef MSG_TO_STR
 178     sprintf(unknown, "UNKNOWN(0x%04x)", msg);
 179     return unknown;
 180 }
 181
 182 static DWORD wodDevInterfaceSize(UINT wDevID, LPDWORD dwParam1)
 183 {
 184     TRACE("(%u, %p)\n", wDevID, dwParam1);
 185
 186     *dwParam1 = MultiByteToWideChar(CP_ACP, 0, WOutDev[wDevID].ossdev->interface_name, -1,
 187                                     NULL, 0 ) * sizeof(WCHAR);
 188     return MMSYSERR_NOERROR;
 189 }
 190
 191 static DWORD wodDevInterface(UINT wDevID, PWCHAR dwParam1, DWORD dwParam2)
 192 {
 193     if (dwParam2 >= MultiByteToWideChar(CP_ACP, 0, WOutDev[wDevID].ossdev->interface_name, -1,
 194                                         NULL, 0 ) * sizeof(WCHAR))
 195     {
 196         MultiByteToWideChar(CP_ACP, 0, WOutDev[wDevID].ossdev->interface_name, -1,
 197                             dwParam1, dwParam2 / sizeof(WCHAR));
 198         return MMSYSERR_NOERROR;
 199     }
 200
 201     return MMSYSERR_INVALPARAM;
 202 }
 203
 204 static DWORD widDevInterfaceSize(UINT wDevID, LPDWORD dwParam1)
 205 {
 206     TRACE("(%u, %p)\n", wDevID, dwParam1);
 207
 208     *dwParam1 = MultiByteToWideChar(CP_ACP, 0, WInDev[wDevID].ossdev->interface_name, -1,
 209                                     NULL, 0 ) * sizeof(WCHAR);
 210     return MMSYSERR_NOERROR;
 211 }
 212
 213 static DWORD widDevInterface(UINT wDevID, PWCHAR dwParam1, DWORD dwParam2)
 214 {
 215     if (dwParam2 >= MultiByteToWideChar(CP_ACP, 0, WInDev[wDevID].ossdev->interface_name, -1,
 216                                         NULL, 0 ) * sizeof(WCHAR))
 217     {
 218         MultiByteToWideChar(CP_ACP, 0, WInDev[wDevID].ossdev->interface_name, -1,
 219                             dwParam1, dwParam2 / sizeof(WCHAR));
 220         return MMSYSERR_NOERROR;
 221     }
 222
 223     return MMSYSERR_INVALPARAM;
 224 }
 225
 226 static DWORD bytes_to_mmtime(LPMMTIME lpTime, DWORD position,
 227                              WAVEFORMATPCMEX* format)
 228 {
 229     TRACE("wType=%04X wBitsPerSample=%u nSamplesPerSec=%lu nChannels=%u nAvgBytesPerSec=%lu\n",
 230           lpTime->wType, format->Format.wBitsPerSample, format->Format.nSamplesPerSec,
 231           format->Format.nChannels, format->Format.nAvgBytesPerSec);
 232     TRACE("Position in bytes=%lu\n", position);
 233
 234     switch (lpTime->wType) {
 235     case TIME_SAMPLES:
 236         lpTime->u.sample = position / (format->Format.wBitsPerSample / 8 * format->Format.nChannels);
 237         TRACE("TIME_SAMPLES=%lu\n", lpTime->u.sample);
 238         break;
 239     case TIME_MS:
 240         lpTime->u.ms = 1000.0 * position / (format->Format.wBitsPerSample / 8 * format->Format.nChannels * format->Format.nSamplesPerSec);
 241         TRACE("TIME_MS=%lu\n", lpTime->u.ms);
 242         break;
 243     case TIME_SMPTE:
 244         lpTime->u.smpte.fps = 30;
 245         position = position / (format->Format.wBitsPerSample / 8 * format->Format.nChannels);
 246         position += (format->Format.nSamplesPerSec / lpTime->u.smpte.fps) - 1; /* round up */
 247         lpTime->u.smpte.sec = position / format->Format.nSamplesPerSec;
 248         position -= lpTime->u.smpte.sec * format->Format.nSamplesPerSec;
 249         lpTime->u.smpte.min = lpTime->u.smpte.sec / 60;
 250         lpTime->u.smpte.sec -= 60 * lpTime->u.smpte.min;
 251         lpTime->u.smpte.hour = lpTime->u.smpte.min / 60;
 252         lpTime->u.smpte.min -= 60 * lpTime->u.smpte.hour;
 253         lpTime->u.smpte.fps = 30;
 254         lpTime->u.smpte.frame = position * lpTime->u.smpte.fps / format->Format.nSamplesPerSec;
 255         TRACE("TIME_SMPTE=%02u:%02u:%02u:%02u\n",
 256               lpTime->u.smpte.hour, lpTime->u.smpte.min,
 257               lpTime->u.smpte.sec, lpTime->u.smpte.frame);
 258         break;
 259     default:
 260         WARN("Format %d not supported, using TIME_BYTES !\n", lpTime->wType);
 261         lpTime->wType = TIME_BYTES;
 262         /* fall through */
 263     case TIME_BYTES:
 264         lpTime->u.cb = position;
 265         TRACE("TIME_BYTES=%lu\n", lpTime->u.cb);
 266         break;
 267     }
 268     return MMSYSERR_NOERROR;
 269 }
 270
 271 static BOOL supportedFormat(LPWAVEFORMATEX wf)
 272 {
 273     TRACE("(%p)\n",wf);
 274
 275     if (wf->nSamplesPerSec<DSBFREQUENCY_MIN||wf->nSamplesPerSec>DSBFREQUENCY_MAX)
 276         return FALSE;
 277
 278     if (wf->wFormatTag == WAVE_FORMAT_PCM) {
 279         if (wf->nChannels >= 1 && wf->nChannels <= MAX_CHANNELS) {
 280             if (wf->wBitsPerSample==8||wf->wBitsPerSample==16)
 281                 return TRUE;
 282         }
 283     } else if (wf->wFormatTag == WAVE_FORMAT_EXTENSIBLE) {
 284         WAVEFORMATEXTENSIBLE * wfex = (WAVEFORMATEXTENSIBLE *)wf;
 285
 286         if (wf->cbSize == 22 && IsEqualGUID(&wfex->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM)) {
 287             if (wf->nChannels >=1 && wf->nChannels <= MAX_CHANNELS) {
 288                 if (wf->wBitsPerSample==wfex->Samples.wValidBitsPerSample) {
 289                     if (wf->wBitsPerSample==8||wf->wBitsPerSample==16)
 290                         return TRUE;
 291                 } else
 292                     WARN("wBitsPerSample != wValidBitsPerSample not supported yet\n");
 293             }
 294         } else
 295             WARN("only KSDATAFORMAT_SUBTYPE_PCM supported\n");
 296     } else
 297         WARN("only WAVE_FORMAT_PCM and WAVE_FORMAT_EXTENSIBLE supported\n");
 298
 299     return FALSE;
 300 }
 301
 302 void copy_format(LPWAVEFORMATEX wf1, LPWAVEFORMATPCMEX wf2)
 303 {
 304     ZeroMemory(wf2, sizeof(wf2));
 305     if (wf1->wFormatTag == WAVE_FORMAT_PCM)
 306         memcpy(wf2, wf1, sizeof(PCMWAVEFORMAT));
 307     else if (wf1->wFormatTag == WAVE_FORMAT_EXTENSIBLE)
 308         memcpy(wf2, wf1, sizeof(WAVEFORMATPCMEX));
 309     else
 310         memcpy(wf2, wf1, sizeof(WAVEFORMATEX) + wf1->cbSize);
 311 }
 312
 313 /*======================================================================*
 314  *                  Low level WAVE implementation                       *
 315  *======================================================================*/
 316
 317 /******************************************************************
 318  *              OSS_RawOpenDevice
 319  *
 320  * Low level device opening (from values stored in ossdev)
 321  */
 322 static DWORD      OSS_RawOpenDevice(OSS_DEVICE* ossdev, int strict_format)
 323 {
 324     int fd, val, rc;
 325     TRACE("(%p,%d)\n",ossdev,strict_format);
 326
 327     TRACE("open_access=%s\n",
 328         ossdev->open_access == O_RDONLY ? "O_RDONLY" :
 329         ossdev->open_access == O_WRONLY ? "O_WRONLY" :
 330         ossdev->open_access == O_RDWR ? "O_RDWR" : "Unknown");
 331
 332     if ((fd = open(ossdev->dev_name, ossdev->open_access|O_NDELAY, 0)) == -1)
 333     {
 334         WARN("Couldn't open %s (%s)\n", ossdev->dev_name, strerror(errno));
 335         return (errno == EBUSY) ? MMSYSERR_ALLOCATED : MMSYSERR_ERROR;
 336     }
 337     fcntl(fd, F_SETFD, 1); /* set close on exec flag */
 338     /* turn full duplex on if it has been requested */
 339     if (ossdev->open_access == O_RDWR && ossdev->full_duplex) {
 340         rc = ioctl(fd, SNDCTL_DSP_SETDUPLEX, 0);
 341         /* on *BSD, as full duplex is always enabled by default, this ioctl
 342          * will fail with EINVAL
 343          * so, we don't consider EINVAL an error here
 344          */
 345         if (rc != 0 && errno != EINVAL) {
 346             WARN("ioctl(%s, SNDCTL_DSP_SETDUPLEX) failed (%s)\n", ossdev->dev_name, strerror(errno));
 347             goto error2;
 348         }
 349     }
 350
 351     if (ossdev->audio_fragment) {
 352         rc = ioctl(fd, SNDCTL_DSP_SETFRAGMENT, &ossdev->audio_fragment);
 353         if (rc != 0) {
 354             ERR("ioctl(%s, SNDCTL_DSP_SETFRAGMENT) failed (%s)\n", ossdev->dev_name, strerror(errno));
 355             goto error2;
 356         }
 357     }
 358
 359     /* First size and channels then samplerate */
 360     if (ossdev->format>=0)
 361     {
 362         val = ossdev->format;
 363         rc = ioctl(fd, SNDCTL_DSP_SETFMT, &ossdev->format);
 364         if (rc != 0 || val != ossdev->format) {
 365             TRACE("Can't set format to %d (returned %d)\n", val, ossdev->format);
 366             if (strict_format)
 367                 goto error;
 368         }
 369     }
 370     if (ossdev->channels>=0)
 371     {
 372         val = ossdev->channels;
 373         rc = ioctl(fd, SNDCTL_DSP_CHANNELS, &ossdev->channels);
 374         if (rc != 0 || val != ossdev->channels) {
 375             TRACE("Can't set channels to %u (returned %d)\n", val, ossdev->channels);
 376             if (strict_format)
 377                 goto error;
 378         }
 379     }
 380     if (ossdev->sample_rate>=0)
 381     {
 382         val = ossdev->sample_rate;
 383         rc = ioctl(fd, SNDCTL_DSP_SPEED, &ossdev->sample_rate);
 384         if (rc != 0 || !NEAR_MATCH(val, ossdev->sample_rate)) {
 385             TRACE("Can't set sample_rate to %u (returned %d)\n", val, ossdev->sample_rate);
 386             if (strict_format)
 387                 goto error;
 388         }
 389     }
 390     ossdev->fd = fd;
 391
 392     if (ossdev->bTriggerSupport) {
 393         int trigger;
 394         rc = ioctl(fd, SNDCTL_DSP_GETTRIGGER, &trigger);
 395         if (rc != 0) {
 396             ERR("ioctl(%s, SNDCTL_DSP_GETTRIGGER) failed (%s)\n",
 397                 ossdev->dev_name, strerror(errno));
 398             goto error;
 399         }
 400
 401         ossdev->bOutputEnabled = ((trigger & PCM_ENABLE_OUTPUT) == PCM_ENABLE_OUTPUT);
 402         ossdev->bInputEnabled  = ((trigger & PCM_ENABLE_INPUT) == PCM_ENABLE_INPUT);
 403
 404         /* If we do not have full duplex, but they opened RDWR
 405         ** (as you have to in order for an mmap to succeed)
 406         ** then we start out with input off
 407         */
 408         if (ossdev->open_access == O_RDWR && !ossdev->full_duplex &&
 409             ossdev->bInputEnabled && ossdev->bOutputEnabled) {
 410             ossdev->bInputEnabled  = FALSE;
 411             trigger &= ~PCM_ENABLE_INPUT;
 412             ioctl(fd, SNDCTL_DSP_SETTRIGGER, &trigger);
 413         }
 414     } else {
 415         ossdev->bOutputEnabled = TRUE;  /* OSS enables by default */
 416         ossdev->bInputEnabled  = TRUE;  /* OSS enables by default */
 417     }
 418
 419     if (ossdev->open_access == O_RDONLY)
 420         ossdev->bOutputEnabled = FALSE;
 421     if (ossdev->open_access == O_WRONLY)
 422         ossdev->bInputEnabled = FALSE;
 423
 424     return MMSYSERR_NOERROR;
 425
 426 error:
 427     close(fd);
 428     return WAVERR_BADFORMAT;
 429 error2:
 430     close(fd);
 431     return MMSYSERR_ERROR;
 432 }
 433
 434 /******************************************************************
 435  *              OSS_OpenDevice
 436  *
 437  * since OSS has poor capabilities in full duplex, we try here to let a program
 438  * open the device for both waveout and wavein streams...
 439  * this is hackish, but it's the way OSS interface is done...
 440  */
 441 DWORD OSS_OpenDevice(OSS_DEVICE* ossdev, unsigned req_access,
 442                             int* frag, int strict_format,
 443                             int sample_rate, int channels, int fmt)
 444 {
 445     DWORD       ret;
 446     DWORD open_access;
 447     TRACE("(%p,%u,%p,%d,%d,%d,%x)\n",ossdev,req_access,frag,strict_format,sample_rate,channels,fmt);
 448
 449     if (ossdev->full_duplex && (req_access == O_RDONLY || req_access == O_WRONLY))
 450     {
 451         TRACE("Opening RDWR because full_duplex=%d and req_access=%d\n",
 452               ossdev->full_duplex,req_access);
 453         open_access = O_RDWR;
 454     }
 455     else
 456     {
 457         open_access=req_access;
 458     }
 459
 460     /* FIXME: this should be protected, and it also contains a race with OSS_CloseDevice */
 461     if (ossdev->open_count == 0)
 462     {
 463         if (access(ossdev->dev_name, 0) != 0) return MMSYSERR_NODRIVER;
 464
 465         ossdev->audio_fragment = (frag) ? *frag : 0;
 466         ossdev->sample_rate = sample_rate;
 467         ossdev->channels = channels;
 468         ossdev->format = fmt;
 469         ossdev->open_access = open_access;
 470         ossdev->owner_tid = GetCurrentThreadId();
 471
 472         if ((ret = OSS_RawOpenDevice(ossdev,strict_format)) != MMSYSERR_NOERROR) return ret;
 473         if (ossdev->full_duplex && ossdev->bTriggerSupport &&
 474             (req_access == O_RDONLY || req_access == O_WRONLY))
 475         {
 476             int enable;
 477             if (req_access == O_WRONLY)
 478                 ossdev->bInputEnabled=0;
 479             else
 480                 ossdev->bOutputEnabled=0;
 481             enable = getEnables(ossdev);
 482             TRACE("Calling SNDCTL_DSP_SETTRIGGER with %x\n",enable);
 483             if (ioctl(ossdev->fd, SNDCTL_DSP_SETTRIGGER, &enable) < 0)
 484                 ERR("ioctl(%s, SNDCTL_DSP_SETTRIGGER, %d) failed (%s)\n",ossdev->dev_name, enable, strerror(errno));
 485         }
 486     }
 487     else
 488     {
 489         /* check we really open with the same parameters */
 490         if (ossdev->open_access != open_access)
 491         {
 492             ERR("FullDuplex: Mismatch in access. Your sound device is not full duplex capable.\n");
 493             return WAVERR_BADFORMAT;
 494         }
 495
 496         /* check if the audio parameters are the same */
 497         if (ossdev->sample_rate != sample_rate ||
 498             ossdev->channels != channels ||
 499             ossdev->format != fmt)
 500         {
 501             /* This is not a fatal error because MSACM might do the remapping */
 502             WARN("FullDuplex: mismatch in PCM parameters for input and output\n"
 503                  "OSS doesn't allow us different parameters\n"
 504                  "audio_frag(%x/%x) sample_rate(%d/%d) channels(%d/%d) fmt(%d/%d)\n",
 505                  ossdev->audio_fragment, frag ? *frag : 0,
 506                  ossdev->sample_rate, sample_rate,
 507                  ossdev->channels, channels,
 508                  ossdev->format, fmt);
 509             return WAVERR_BADFORMAT;
 510         }
 511         /* check if the fragment sizes are the same */
 512         if (ossdev->audio_fragment != (frag ? *frag : 0) )
 513         {
 514             ERR("FullDuplex: Playback and Capture hardware acceleration levels are different.\n"
 515                 "Please run winecfg, open \"Audio\" page and set\n"
 516                 "\"Hardware Acceleration\" to \"Emulation\".\n");
 517             return WAVERR_BADFORMAT;
 518         }
 519         if (GetCurrentThreadId() != ossdev->owner_tid)
 520         {
 521             WARN("Another thread is trying to access audio...\n");
 522             return MMSYSERR_ERROR;
 523         }
 524         if (ossdev->full_duplex && ossdev->bTriggerSupport &&
 525             (req_access == O_RDONLY || req_access == O_WRONLY))
 526         {
 527             int enable;
 528             if (req_access == O_WRONLY)
 529                 ossdev->bOutputEnabled=1;
 530             else
 531                 ossdev->bInputEnabled=1;
 532             enable = getEnables(ossdev);
 533             TRACE("Calling SNDCTL_DSP_SETTRIGGER with %x\n",enable);
 534             if (ioctl(ossdev->fd, SNDCTL_DSP_SETTRIGGER, &enable) < 0)
 535                 ERR("ioctl(%s, SNDCTL_DSP_SETTRIGGER, %d) failed (%s)\n",ossdev->dev_name, enable, strerror(errno));
 536         }
 537     }
 538
 539     ossdev->open_count++;
 540
 541     return MMSYSERR_NOERROR;
 542 }
 543
 544 /******************************************************************
 545  *              OSS_CloseDevice
 546  *
 547  *
 548  */
 549 void    OSS_CloseDevice(OSS_DEVICE* ossdev)
 550 {
 551     TRACE("(%p)\n",ossdev);
 552     if (ossdev->open_count>0) {
 553         ossdev->open_count--;
 554     } else {
 555         WARN("OSS_CloseDevice called too many times\n");
 556     }
 557     if (ossdev->open_count == 0)
 558     {
 559         fcntl(ossdev->fd, F_SETFL, fcntl(ossdev->fd, F_GETFL) & ~O_NDELAY);
 560         /* reset the device before we close it in case it is in a bad state */
 561         ioctl(ossdev->fd, SNDCTL_DSP_RESET, 0);
 562         if (close(ossdev->fd) != 0) FIXME("Cannot close %d: %s\n", ossdev->fd, strerror(errno));
 563     }
 564 }
 565
 566 /******************************************************************
 567  *              OSS_ResetDevice
 568  *
 569  * Resets the device. OSS Commercial requires the device to be closed
 570  * after a SNDCTL_DSP_RESET ioctl call... this function implements
 571  * this behavior...
 572  * FIXME: This causes problems when doing full duplex so we really
 573  * only reset when not doing full duplex. We need to do this better
 574  * someday.
 575  */
 576 static DWORD     OSS_ResetDevice(OSS_DEVICE* ossdev)
 577 {
 578     DWORD       ret = MMSYSERR_NOERROR;
 579     int         old_fd = ossdev->fd;
 580     TRACE("(%p)\n", ossdev);
 581
 582     if (ossdev->open_count == 1) {
 583         if (ioctl(ossdev->fd, SNDCTL_DSP_RESET, NULL) == -1)
 584         {
 585             perror("ioctl SNDCTL_DSP_RESET");
 586             return -1;
 587         }
 588         close(ossdev->fd);
 589         ret = OSS_RawOpenDevice(ossdev, 1);
 590         TRACE("Changing fd from %d to %d\n", old_fd, ossdev->fd);
 591     } else
 592         WARN("Not resetting device because it is in full duplex mode!\n");
 593
 594     return ret;
 595 }
 596
 597 static const int win_std_oss_fmts[2]={AFMT_U8,AFMT_S16_LE};
 598 static const int win_std_rates[5]={96000,48000,44100,22050,11025};
 599 static const int win_std_formats[2][2][5]=
 600     {{{WAVE_FORMAT_96M08, WAVE_FORMAT_48M08, WAVE_FORMAT_4M08,
 601        WAVE_FORMAT_2M08,  WAVE_FORMAT_1M08},
 602       {WAVE_FORMAT_96S08, WAVE_FORMAT_48S08, WAVE_FORMAT_4S08,
 603        WAVE_FORMAT_2S08,  WAVE_FORMAT_1S08}},
 604      {{WAVE_FORMAT_96M16, WAVE_FORMAT_48M16, WAVE_FORMAT_4M16,
 605        WAVE_FORMAT_2M16,  WAVE_FORMAT_1M16},
 606       {WAVE_FORMAT_96S16, WAVE_FORMAT_48S16, WAVE_FORMAT_4S16,
 607        WAVE_FORMAT_2S16,  WAVE_FORMAT_1S16}},
 608     };
 609
 610 static void OSS_Info(int fd)
 611 {
 612     /* Note that this only reports the formats supported by the hardware.
 613      * The driver may support other formats and do the conversions in
 614      * software which is why we don't use this value
 615      */
 616     int oss_mask, oss_caps;
 617     if (ioctl(fd, SNDCTL_DSP_GETFMTS, &oss_mask) >= 0) {
 618         TRACE("Formats=%08x ( ", oss_mask);
 619         if (oss_mask & AFMT_MU_LAW) TRACE("AFMT_MU_LAW ");
 620         if (oss_mask & AFMT_A_LAW) TRACE("AFMT_A_LAW ");
 621         if (oss_mask & AFMT_IMA_ADPCM) TRACE("AFMT_IMA_ADPCM ");
 622         if (oss_mask & AFMT_U8) TRACE("AFMT_U8 ");
 623         if (oss_mask & AFMT_S16_LE) TRACE("AFMT_S16_LE ");
 624         if (oss_mask & AFMT_S16_BE) TRACE("AFMT_S16_BE ");
 625         if (oss_mask & AFMT_S8) TRACE("AFMT_S8 ");
 626         if (oss_mask & AFMT_U16_LE) TRACE("AFMT_U16_LE ");
 627         if (oss_mask & AFMT_U16_BE) TRACE("AFMT_U16_BE ");
 628         if (oss_mask & AFMT_MPEG) TRACE("AFMT_MPEG ");
 629 #ifdef AFMT_AC3
 630         if (oss_mask & AFMT_AC3) TRACE("AFMT_AC3 ");
 631 #endif
 632 #ifdef AFMT_VORBIS
 633         if (oss_mask & AFMT_VORBIS) TRACE("AFMT_VORBIS ");
 634 #endif
 635 #ifdef AFMT_S32_LE
 636         if (oss_mask & AFMT_S32_LE) TRACE("AFMT_S32_LE ");
 637 #endif
 638 #ifdef AFMT_S32_BE
 639         if (oss_mask & AFMT_S32_BE) TRACE("AFMT_S32_BE ");
 640 #endif
 641 #ifdef AFMT_FLOAT
 642         if (oss_mask & AFMT_FLOAT) TRACE("AFMT_FLOAT ");
 643 #endif
 644 #ifdef AFMT_S24_LE
 645         if (oss_mask & AFMT_S24_LE) TRACE("AFMT_S24_LE ");
 646 #endif
 647 #ifdef AFMT_S24_BE
 648         if (oss_mask & AFMT_S24_BE) TRACE("AFMT_S24_BE ");
 649 #endif
 650 #ifdef AFMT_SPDIF_RAW
 651         if (oss_mask & AFMT_SPDIF_RAW) TRACE("AFMT_SPDIF_RAW ");
 652 #endif
 653         TRACE(")\n");
 654     }
 655     if (ioctl(fd, SNDCTL_DSP_GETCAPS, &oss_caps) >= 0) {
 656         TRACE("Caps=%08x\n",oss_caps);
 657         TRACE("\tRevision: %d\n", oss_caps&DSP_CAP_REVISION);
 658         TRACE("\tDuplex: %s\n", oss_caps & DSP_CAP_DUPLEX ? "true" : "false");
 659         TRACE("\tRealtime: %s\n", oss_caps & DSP_CAP_REALTIME ? "true" : "false");
 660         TRACE("\tBatch: %s\n", oss_caps & DSP_CAP_BATCH ? "true" : "false");
 661         TRACE("\tCoproc: %s\n", oss_caps & DSP_CAP_COPROC ? "true" : "false");
 662         TRACE("\tTrigger: %s\n", oss_caps & DSP_CAP_TRIGGER ? "true" : "false");
 663         TRACE("\tMmap: %s\n", oss_caps & DSP_CAP_MMAP ? "true" : "false");
 664 #ifdef DSP_CAP_MULTI
 665         TRACE("\tMulti: %s\n", oss_caps & DSP_CAP_MULTI ? "true" : "false");
 666 #endif
 667 #ifdef DSP_CAP_BIND
 668         TRACE("\tBind: %s\n", oss_caps & DSP_CAP_BIND ? "true" : "false");
 669 #endif
 670 #ifdef DSP_CAP_INPUT
 671         TRACE("\tInput: %s\n", oss_caps & DSP_CAP_INPUT ? "true" : "false");
 672 #endif
 673 #ifdef DSP_CAP_OUTPUT
 674         TRACE("\tOutput: %s\n", oss_caps & DSP_CAP_OUTPUT ? "true" : "false");
 675 #endif
 676 #ifdef DSP_CAP_VIRTUAL
 677         TRACE("\tVirtual: %s\n", oss_caps & DSP_CAP_VIRTUAL ? "true" : "false");
 678 #endif
 679 #ifdef DSP_CAP_ANALOGOUT
 680         TRACE("\tAnalog Out: %s\n", oss_caps & DSP_CAP_ANALOGOUT ? "true" : "false");
 681 #endif
 682 #ifdef DSP_CAP_ANALOGIN
 683         TRACE("\tAnalog In: %s\n", oss_caps & DSP_CAP_ANALOGIN ? "true" : "false");
 684 #endif
 685 #ifdef DSP_CAP_DIGITALOUT
 686         TRACE("\tDigital Out: %s\n", oss_caps & DSP_CAP_DIGITALOUT ? "true" : "false");
 687 #endif
 688 #ifdef DSP_CAP_DIGITALIN
 689         TRACE("\tDigital In: %s\n", oss_caps & DSP_CAP_DIGITALIN ? "true" : "false");
 690 #endif
 691 #ifdef DSP_CAP_ADMASK
 692         TRACE("\tA/D Mask: %s\n", oss_caps & DSP_CAP_ADMASK ? "true" : "false");
 693 #endif
 694 #ifdef DSP_CAP_SHADOW
 695         TRACE("\tShadow: %s\n", oss_caps & DSP_CAP_SHADOW ? "true" : "false");
 696 #endif
 697 #ifdef DSP_CH_MASK
 698         TRACE("\tChannel Mask: %x\n", oss_caps & DSP_CH_MASK);
 699 #endif
 700 #ifdef DSP_CAP_SLAVE
 701         TRACE("\tSlave: %s\n", oss_caps & DSP_CAP_SLAVE ? "true" : "false");
 702 #endif
 703     }
 704 }
 705
 706 /******************************************************************
 707  *              OSS_WaveOutInit
 708  *
 709  *
 710  */
 711 static BOOL OSS_WaveOutInit(OSS_DEVICE* ossdev)
 712 {
 713     int rc,arg;
 714     int f,c,r;
 715     TRACE("(%p) %s\n", ossdev, ossdev->dev_name);
 716
 717     if (OSS_OpenDevice(ossdev, O_WRONLY, NULL, 0,-1,-1,-1) != 0)
 718         return FALSE;
 719
 720     ioctl(ossdev->fd, SNDCTL_DSP_RESET, 0);
 721
 722 #ifdef SOUND_MIXER_INFO
 723     {
 724         int mixer;
 725         if ((mixer = open(ossdev->mixer_name, O_RDONLY|O_NDELAY)) >= 0) {
 726             mixer_info info;
 727             if (ioctl(mixer, SOUND_MIXER_INFO, &info) >= 0) {
 728                 lstrcpynA(ossdev->ds_desc.szDesc, info.name, sizeof(info.name));
 729                 strcpy(ossdev->ds_desc.szDrvname, "wineoss.drv");
 730                 MultiByteToWideChar(CP_ACP, 0, info.name, sizeof(info.name),
 731                                     ossdev->out_caps.szPname,
 732                                     sizeof(ossdev->out_caps.szPname) / sizeof(WCHAR));
 733                 TRACE("%s: %s\n", ossdev->mixer_name, ossdev->ds_desc.szDesc);
 734             } else {
 735                 /* FreeBSD up to at least 5.2 provides this ioctl, but does not
 736                  * implement it properly, and there are probably similar issues
 737                  * on other platforms, so we warn but try to go ahead.
 738                  */
 739                 WARN("%s: cannot read SOUND_MIXER_INFO!\n", ossdev->mixer_name);
 740             }
 741             close(mixer);
 742         } else {
 743             ERR("open(%s) failed (%s)\n", ossdev->mixer_name , strerror(errno));
 744             OSS_CloseDevice(ossdev);
 745             return FALSE;
 746         }
 747     }
 748 #endif /* SOUND_MIXER_INFO */
 749
 750     if (WINE_TRACE_ON(wave))
 751         OSS_Info(ossdev->fd);
 752
 753     ossdev->out_caps.wMid = 0x00FF; /* Manufac ID */
 754     ossdev->out_caps.wPid = 0x0001; /* Product ID */
 755
 756     ossdev->out_caps.vDriverVersion = 0x0100;
 757     ossdev->out_caps.wChannels = 1;
 758     ossdev->out_caps.dwFormats = 0x00000000;
 759     ossdev->out_caps.wReserved1 = 0;
 760     ossdev->out_caps.dwSupport = WAVECAPS_VOLUME;
 761
 762     /* direct sound caps */
 763     ossdev->ds_caps.dwFlags = DSCAPS_CERTIFIED;
 764     ossdev->ds_caps.dwPrimaryBuffers = 1;
 765     ossdev->ds_caps.dwMinSecondarySampleRate = DSBFREQUENCY_MIN;
 766     ossdev->ds_caps.dwMaxSecondarySampleRate = DSBFREQUENCY_MAX;
 767
 768     /* We must first set the format and the stereo mode as some sound cards
 769      * may support 44kHz mono but not 44kHz stereo. Also we must
 770      * systematically check the return value of these ioctls as they will
 771      * always succeed (see OSS Linux) but will modify the parameter to match
 772      * whatever they support. The OSS specs also say we must first set the
 773      * sample size, then the stereo and then the sample rate.
 774      */
 775     for (f=0;f<2;f++) {
 776         arg=win_std_oss_fmts[f];
 777         rc=ioctl(ossdev->fd, SNDCTL_DSP_SAMPLESIZE, &arg);
 778         if (rc!=0 || arg!=win_std_oss_fmts[f]) {
 779             TRACE("DSP_SAMPLESIZE: rc=%d returned %d for %d\n",
 780                   rc,arg,win_std_oss_fmts[f]);
 781             continue;
 782         }
 783         if (f == 0)
 784             ossdev->ds_caps.dwFlags |= DSCAPS_PRIMARY8BIT;
 785         else if (f == 1)
 786             ossdev->ds_caps.dwFlags |= DSCAPS_PRIMARY16BIT;
 787
 788         for (c = 1; c <= MAX_CHANNELS; c++) {
 789             arg=c;
 790             rc=ioctl(ossdev->fd, SNDCTL_DSP_CHANNELS, &arg);
 791             if( rc == -1) break;
 792             if (rc!=0 || arg!=c) {
 793                 TRACE("DSP_CHANNELS: rc=%d returned %d for %d\n",rc,arg,c);
 794                 continue;
 795             }
 796             if (c == 1) {
 797                 ossdev->ds_caps.dwFlags |= DSCAPS_PRIMARYMONO;
 798             } else if (c == 2) {
 799                 ossdev->out_caps.wChannels = 2;
 800                 ossdev->out_caps.dwSupport|=WAVECAPS_LRVOLUME;
 801                 ossdev->ds_caps.dwFlags |= DSCAPS_PRIMARYSTEREO;
 802             } else
 803                 ossdev->out_caps.wChannels = c;
 804
 805             for (r=0;r<sizeof(win_std_rates)/sizeof(*win_std_rates);r++) {
 806                 arg=win_std_rates[r];
 807                 rc=ioctl(ossdev->fd, SNDCTL_DSP_SPEED, &arg);
 808                 TRACE("DSP_SPEED: rc=%d returned %d for %dx%dx%d\n",
 809                       rc,arg,win_std_rates[r],win_std_oss_fmts[f],c);
 810                 if (rc==0 && arg!=0 && NEAR_MATCH(arg,win_std_rates[r]) && c < 3)
 811                     ossdev->out_caps.dwFormats|=win_std_formats[f][c-1][r];
 812             }
 813         }
 814     }
 815
 816     if (ioctl(ossdev->fd, SNDCTL_DSP_GETCAPS, &arg) == 0) {
 817         if (arg & DSP_CAP_TRIGGER)
 818             ossdev->bTriggerSupport = TRUE;
 819         if ((arg & DSP_CAP_REALTIME) && !(arg & DSP_CAP_BATCH)) {
 820             ossdev->out_caps.dwSupport |= WAVECAPS_SAMPLEACCURATE;
 821         }
 822         /* well, might as well use the DirectSound cap flag for something */
 823         if ((arg & DSP_CAP_TRIGGER) && (arg & DSP_CAP_MMAP) &&
 824             !(arg & DSP_CAP_BATCH)) {
 825             ossdev->out_caps.dwSupport |= WAVECAPS_DIRECTSOUND;
 826         } else {
 827             ossdev->ds_caps.dwFlags |= DSCAPS_EMULDRIVER;
 828         }
 829 #ifdef DSP_CAP_MULTI    /* not every oss has this */
 830         /* check for hardware secondary buffer support (multi open) */
 831         if ((arg & DSP_CAP_MULTI) &&
 832             (ossdev->out_caps.dwSupport & WAVECAPS_DIRECTSOUND)) {
 833             TRACE("hardware secondary buffer support available\n");
 834             if (ossdev->ds_caps.dwFlags & DSCAPS_PRIMARY8BIT)
 835                 ossdev->ds_caps.dwFlags |= DSCAPS_SECONDARY8BIT;
 836             if (ossdev->ds_caps.dwFlags & DSCAPS_PRIMARY16BIT)
 837                 ossdev->ds_caps.dwFlags |= DSCAPS_SECONDARY16BIT;
 838             if (ossdev->ds_caps.dwFlags & DSCAPS_PRIMARYMONO)
 839                 ossdev->ds_caps.dwFlags |= DSCAPS_SECONDARYMONO;
 840             if (ossdev->ds_caps.dwFlags & DSCAPS_PRIMARYSTEREO)
 841                 ossdev->ds_caps.dwFlags |= DSCAPS_SECONDARYSTEREO;
 842
 843             ossdev->ds_caps.dwMaxHwMixingAllBuffers = 16;
 844             ossdev->ds_caps.dwMaxHwMixingStaticBuffers = 0;
 845             ossdev->ds_caps.dwMaxHwMixingStreamingBuffers = 16;
 846
 847             ossdev->ds_caps.dwFreeHwMixingAllBuffers = 16;
 848             ossdev->ds_caps.dwFreeHwMixingStaticBuffers = 0;
 849             ossdev->ds_caps.dwFreeHwMixingStreamingBuffers = 16;
 850         }
 851 #endif
 852     }
 853     OSS_CloseDevice(ossdev);
 854     TRACE("out wChannels = %d, dwFormats = %08lX, dwSupport = %08lX\n",
 855           ossdev->out_caps.wChannels, ossdev->out_caps.dwFormats,
 856           ossdev->out_caps.dwSupport);
 857     return TRUE;
 858 }
 859
 860 /******************************************************************
 861  *              OSS_WaveInInit
 862  *
 863  *
 864  */
 865 static BOOL OSS_WaveInInit(OSS_DEVICE* ossdev)
 866 {
 867     int rc,arg;
 868     int f,c,r;
 869     TRACE("(%p) %s\n", ossdev, ossdev->dev_name);
 870
 871     if (OSS_OpenDevice(ossdev, O_RDONLY, NULL, 0,-1,-1,-1) != 0)
 872         return FALSE;
 873
 874     ioctl(ossdev->fd, SNDCTL_DSP_RESET, 0);
 875
 876 #ifdef SOUND_MIXER_INFO
 877     {
 878         int mixer;
 879         if ((mixer = open(ossdev->mixer_name, O_RDONLY|O_NDELAY)) >= 0) {
 880             mixer_info info;
 881             if (ioctl(mixer, SOUND_MIXER_INFO, &info) >= 0) {
 882                 MultiByteToWideChar(CP_ACP, 0, info.name, -1,
 883                                     ossdev->in_caps.szPname,
 884                                     sizeof(ossdev->in_caps.szPname) / sizeof(WCHAR));
 885                 TRACE("%s: %s\n", ossdev->mixer_name, ossdev->ds_desc.szDesc);
 886             } else {
 887                 /* FreeBSD up to at least 5.2 provides this ioctl, but does not
 888                  * implement it properly, and there are probably similar issues
 889                  * on other platforms, so we warn but try to go ahead.
 890                  */
 891                 WARN("%s: cannot read SOUND_MIXER_INFO!\n", ossdev->mixer_name);
 892             }
 893             close(mixer);
 894         } else {
 895             ERR("open(%s) failed (%s)\n", ossdev->mixer_name, strerror(errno));
 896             OSS_CloseDevice(ossdev);
 897             return FALSE;
 898         }
 899     }
 900 #endif /* SOUND_MIXER_INFO */
 901
 902     if (WINE_TRACE_ON(wave))
 903         OSS_Info(ossdev->fd);
 904
 905     ossdev->in_caps.wMid = 0x00FF; /* Manufac ID */
 906     ossdev->in_caps.wPid = 0x0001; /* Product ID */
 907
 908     ossdev->in_caps.dwFormats = 0x00000000;
 909     ossdev->in_caps.wChannels = 1;
 910     ossdev->in_caps.wReserved1 = 0;
 911
 912     /* direct sound caps */
 913     ossdev->dsc_caps.dwSize = sizeof(ossdev->dsc_caps);
 914     ossdev->dsc_caps.dwFlags = 0;
 915     ossdev->dsc_caps.dwFormats = 0x00000000;
 916     ossdev->dsc_caps.dwChannels = 1;
 917
 918     /* See the comment in OSS_WaveOutInit for the loop order */
 919     for (f=0;f<2;f++) {
 920         arg=win_std_oss_fmts[f];
 921         rc=ioctl(ossdev->fd, SNDCTL_DSP_SAMPLESIZE, &arg);
 922         if (rc!=0 || arg!=win_std_oss_fmts[f]) {
 923             TRACE("DSP_SAMPLESIZE: rc=%d returned 0x%x for 0x%x\n",
 924                   rc,arg,win_std_oss_fmts[f]);
 925             continue;
 926         }
 927
 928         for (c = 1; c <= MAX_CHANNELS; c++) {
 929             arg=c;
 930             rc=ioctl(ossdev->fd, SNDCTL_DSP_CHANNELS, &arg);
 931             if( rc == -1) break;
 932             if (rc!=0 || arg!=c) {
 933                 TRACE("DSP_CHANNELS: rc=%d returned %d for %d\n",rc,arg,c);
 934                 continue;
 935             }
 936             if (c > 1) {
 937                 ossdev->in_caps.wChannels = c;
 938                 ossdev->dsc_caps.dwChannels = c;
 939             }
 940
 941             for (r=0;r<sizeof(win_std_rates)/sizeof(*win_std_rates);r++) {
 942                 arg=win_std_rates[r];
 943                 rc=ioctl(ossdev->fd, SNDCTL_DSP_SPEED, &arg);
 944                 TRACE("DSP_SPEED: rc=%d returned %d for %dx%dx%d\n",rc,arg,win_std_rates[r],win_std_oss_fmts[f],c);
 945                 if (rc==0 && NEAR_MATCH(arg,win_std_rates[r]) && c < 3)
 946                     ossdev->in_caps.dwFormats|=win_std_formats[f][c-1][r];
 947                     ossdev->dsc_caps.dwFormats|=win_std_formats[f][c-1][r];
 948             }
 949         }
 950     }
 951
 952     if (ioctl(ossdev->fd, SNDCTL_DSP_GETCAPS, &arg) == 0) {
 953         if (arg & DSP_CAP_TRIGGER)
 954             ossdev->bTriggerSupport = TRUE;
 955         if ((arg & DSP_CAP_TRIGGER) && (arg & DSP_CAP_MMAP) &&
 956             !(arg & DSP_CAP_BATCH)) {
 957             /* FIXME: enable the next statement if you want to work on the driver */
 958 #if 0
 959             ossdev->in_caps_support |= WAVECAPS_DIRECTSOUND;
 960 #endif
 961         }
 962         if ((arg & DSP_CAP_REALTIME) && !(arg & DSP_CAP_BATCH))
 963             ossdev->in_caps_support |= WAVECAPS_SAMPLEACCURATE;
 964     }
 965     OSS_CloseDevice(ossdev);
 966     TRACE("in wChannels = %d, dwFormats = %08lX, in_caps_support = %08lX\n",
 967         ossdev->in_caps.wChannels, ossdev->in_caps.dwFormats, ossdev->in_caps_support);
 968     return TRUE;
 969 }
 970
 971 /******************************************************************
 972  *              OSS_WaveFullDuplexInit
 973  *
 974  *
 975  */
 976 static void OSS_WaveFullDuplexInit(OSS_DEVICE* ossdev)
 977 {
 978     int rc,arg;
 979     int f,c,r;
 980     int caps;
 981     TRACE("(%p) %s\n", ossdev, ossdev->dev_name);
 982
 983     /* The OSS documentation says we must call SNDCTL_SETDUPLEX
 984      * *before* checking for SNDCTL_DSP_GETCAPS otherwise we may
 985      * get the wrong result. This ioctl must even be done before
 986      * setting the fragment size so that only OSS_RawOpenDevice is
 987      * in a position to do it. So we set full_duplex speculatively
 988      * and adjust right after.
 989      */
 990     ossdev->full_duplex=1;
 991     rc=OSS_OpenDevice(ossdev, O_RDWR, NULL, 0,-1,-1,-1);
 992     ossdev->full_duplex=0;
 993     if (rc != 0)
 994         return;
 995
 996     ioctl(ossdev->fd, SNDCTL_DSP_RESET, 0);
 997     TRACE("%s\n", ossdev->ds_desc.szDesc);
 998
 999     if (ioctl(ossdev->fd, SNDCTL_DSP_GETCAPS, &caps) == 0)
1000         ossdev->full_duplex = (caps & DSP_CAP_DUPLEX);
1001
1002     ossdev->duplex_out_caps = ossdev->out_caps;
1003
1004     ossdev->duplex_out_caps.wChannels = 1;
1005     ossdev->duplex_out_caps.dwFormats = 0x00000000;
1006     ossdev->duplex_out_caps.dwSupport = WAVECAPS_VOLUME;
1007
1008     if (WINE_TRACE_ON(wave))
1009         OSS_Info(ossdev->fd);
1010
1011     /* See the comment in OSS_WaveOutInit for the loop order */
1012     for (f=0;f<2;f++) {
1013         arg=win_std_oss_fmts[f];
1014         rc=ioctl(ossdev->fd, SNDCTL_DSP_SAMPLESIZE, &arg);
1015         if (rc!=0 || arg!=win_std_oss_fmts[f]) {
1016             TRACE("DSP_SAMPLESIZE: rc=%d returned 0x%x for 0x%x\n",
1017                   rc,arg,win_std_oss_fmts[f]);
1018             continue;
1019         }
1020
1021         for (c = 1; c <= MAX_CHANNELS; c++) {
1022             arg=c;
1023             rc=ioctl(ossdev->fd, SNDCTL_DSP_CHANNELS, &arg);
1024             if( rc == -1) break;
1025             if (rc!=0 || arg!=c) {
1026                 TRACE("DSP_CHANNELS: rc=%d returned %d for %d\n",rc,arg,c);
1027                 continue;
1028             }
1029             if (c == 1) {
1030                 ossdev->ds_caps.dwFlags |= DSCAPS_PRIMARYMONO;
1031             } else if (c == 2) {
1032                 ossdev->duplex_out_caps.wChannels = 2;
1033                 ossdev->duplex_out_caps.dwSupport|=WAVECAPS_LRVOLUME;
1034                 ossdev->ds_caps.dwFlags |= DSCAPS_PRIMARYSTEREO;
1035             } else
1036                 ossdev->duplex_out_caps.wChannels = c;
1037
1038             for (r=0;r<sizeof(win_std_rates)/sizeof(*win_std_rates);r++) {
1039                 arg=win_std_rates[r];
1040                 rc=ioctl(ossdev->fd, SNDCTL_DSP_SPEED, &arg);
1041                 TRACE("DSP_SPEED: rc=%d returned %d for %dx%dx%d\n",
1042                       rc,arg,win_std_rates[r],win_std_oss_fmts[f],c);
1043                 if (rc==0 && arg!=0 && NEAR_MATCH(arg,win_std_rates[r]) && c < 3)
1044                     ossdev->duplex_out_caps.dwFormats|=win_std_formats[f][c-1][r];
1045             }
1046         }
1047     }
1048
1049     if (ioctl(ossdev->fd, SNDCTL_DSP_GETCAPS, &arg) == 0) {
1050         if ((arg & DSP_CAP_REALTIME) && !(arg & DSP_CAP_BATCH)) {
1051             ossdev->duplex_out_caps.dwSupport |= WAVECAPS_SAMPLEACCURATE;
1052         }
1053         /* well, might as well use the DirectSound cap flag for something */
1054         if ((arg & DSP_CAP_TRIGGER) && (arg & DSP_CAP_MMAP) &&
1055             !(arg & DSP_CAP_BATCH)) {
1056             ossdev->duplex_out_caps.dwSupport |= WAVECAPS_DIRECTSOUND;
1057         }
1058     }
1059     OSS_CloseDevice(ossdev);
1060     TRACE("duplex wChannels = %d, dwFormats = %08lX, dwSupport = %08lX\n",
1061           ossdev->duplex_out_caps.wChannels,
1062           ossdev->duplex_out_caps.dwFormats,
1063           ossdev->duplex_out_caps.dwSupport);
1064 }
1065
1066 static char* StrDup(const char* str, const char* def)
1067 {
1068     char* dst;
1069     if (str==NULL)
1070         str=def;
1071     dst=HeapAlloc(GetProcessHeap(),0,strlen(str)+1);
1072     strcpy(dst, str);
1073     return dst;
1074 }
1075
1076 /******************************************************************
1077  *              OSS_WaveInit
1078  *
1079  * Initialize internal structures from OSS information
1080  */
1081 LRESULT OSS_WaveInit(void)
1082 {
1083     char* str;
1084     int i;
1085
1086     TRACE("()\n");
1087
1088     str=getenv("AUDIODEV");
1089     if (str!=NULL)
1090     {
1091         OSS_Devices[0].dev_name=StrDup(str,"");
1092         OSS_Devices[0].mixer_name=StrDup(getenv("MIXERDEV"),"/dev/mixer");
1093         for (i = 1; i < MAX_WAVEDRV; ++i)
1094         {
1095             OSS_Devices[i].dev_name=StrDup("",NULL);
1096             OSS_Devices[i].mixer_name=StrDup("",NULL);
1097         }
1098     }
1099     else
1100     {
1101         OSS_Devices[0].dev_name=StrDup("/dev/dsp",NULL);
1102         OSS_Devices[0].mixer_name=StrDup("/dev/mixer",NULL);
1103         for (i = 1; i < MAX_WAVEDRV; ++i)
1104         {
1105             OSS_Devices[i].dev_name=HeapAlloc(GetProcessHeap(),0,11);
1106             sprintf(OSS_Devices[i].dev_name, "/dev/dsp%d", i);
1107             OSS_Devices[i].mixer_name=HeapAlloc(GetProcessHeap(),0,13);
1108             sprintf(OSS_Devices[i].mixer_name, "/dev/mixer%d", i);
1109         }
1110     }
1111
1112     for (i = 0; i < MAX_WAVEDRV; ++i)
1113     {
1114         OSS_Devices[i].interface_name=HeapAlloc(GetProcessHeap(),0,9+strlen(OSS_Devices[i].dev_name)+1);
1115         sprintf(OSS_Devices[i].interface_name, "wineoss: %s", OSS_Devices[i].dev_name);
1116     }
1117
1118     /* start with output devices */
1119     for (i = 0; i < MAX_WAVEDRV; ++i)
1120     {
1121         if (*OSS_Devices[i].dev_name=='\0' || OSS_WaveOutInit(&OSS_Devices[i]))
1122         {
1123             WOutDev[numOutDev].state = WINE_WS_CLOSED;
1124             WOutDev[numOutDev].ossdev = &OSS_Devices[i];
1125             WOutDev[numOutDev].volume = 0xffffffff;
1126             numOutDev++;
1127         }
1128     }
1129
1130     /* then do input devices */
1131     for (i = 0; i < MAX_WAVEDRV; ++i)
1132     {
1133         if (*OSS_Devices[i].dev_name=='\0' || OSS_WaveInInit(&OSS_Devices[i]))
1134         {
1135             WInDev[numInDev].state = WINE_WS_CLOSED;
1136             WInDev[numInDev].ossdev = &OSS_Devices[i];
1137             numInDev++;
1138         }
1139     }
1140
1141     /* finish with the full duplex bits */
1142     for (i = 0; i < MAX_WAVEDRV; i++)
1143         if (*OSS_Devices[i].dev_name!='\0')
1144             OSS_WaveFullDuplexInit(&OSS_Devices[i]);
1145
1146     TRACE("%d wave out devices\n", numOutDev);
1147     for (i = 0; i < numOutDev; i++) {
1148         TRACE("%d: %s, %s, %s\n", i, WOutDev[i].ossdev->dev_name,
1149               WOutDev[i].ossdev->mixer_name, WOutDev[i].ossdev->interface_name);
1150     }
1151
1152     TRACE("%d wave in devices\n", numInDev);
1153     for (i = 0; i < numInDev; i++) {
1154         TRACE("%d: %s, %s, %s\n", i, WInDev[i].ossdev->dev_name,
1155               WInDev[i].ossdev->mixer_name, WInDev[i].ossdev->interface_name);
1156     }
1157
1158     return 0;
1159 }
1160
1161 /******************************************************************
1162  *              OSS_WaveExit
1163  *
1164  * Delete/clear internal structures of OSS information
1165  */
1166 LRESULT OSS_WaveExit(void)
1167 {
1168     int i;
1169     TRACE("()\n");
1170
1171     for (i = 0; i < MAX_WAVEDRV; ++i)
1172     {
1173         HeapFree(GetProcessHeap(), 0, OSS_Devices[i].dev_name);
1174         HeapFree(GetProcessHeap(), 0, OSS_Devices[i].mixer_name);
1175         HeapFree(GetProcessHeap(), 0, OSS_Devices[i].interface_name);
1176     }
1177
1178     ZeroMemory(OSS_Devices, sizeof(OSS_Devices));
1179     ZeroMemory(WOutDev, sizeof(WOutDev));
1180     ZeroMemory(WInDev, sizeof(WInDev));
1181
1182     numOutDev = 0;
1183     numInDev = 0;
1184
1185     return 0;
1186 }
1187
1188 /******************************************************************
1189  *              OSS_InitRingMessage
1190  *
1191  * Initialize the ring of messages for passing between driver's caller and playback/record
1192  * thread
1193  */
1194 static int OSS_InitRingMessage(OSS_MSG_RING* omr)
1195 {
1196     omr->msg_toget = 0;
1197     omr->msg_tosave = 0;
1198 #ifdef USE_PIPE_SYNC
1199     if (pipe(omr->msg_pipe) < 0) {
1200         omr->msg_pipe[0] = -1;
1201         omr->msg_pipe[1] = -1;
1202         ERR("could not create pipe, error=%s\n", strerror(errno));
1203     }
1204 #else
1205     omr->msg_event = CreateEventW(NULL, FALSE, FALSE, NULL);
1206 #endif
1207     omr->ring_buffer_size = OSS_RING_BUFFER_INCREMENT;
1208     omr->messages = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,omr->ring_buffer_size * sizeof(OSS_MSG));
1209     InitializeCriticalSection(&omr->msg_crst);
1210     omr->msg_crst.DebugInfo->Spare[0] = (DWORD_PTR)"WINEOSS_msg_crst";
1211     return 0;
1212 }
1213
1214 /******************************************************************
1215  *              OSS_DestroyRingMessage
1216  *
1217  */
1218 static int OSS_DestroyRingMessage(OSS_MSG_RING* omr)
1219 {
1220 #ifdef USE_PIPE_SYNC
1221     close(omr->msg_pipe[0]);
1222     close(omr->msg_pipe[1]);
1223 #else
1224     CloseHandle(omr->msg_event);
1225 #endif
1226     HeapFree(GetProcessHeap(),0,omr->messages);
1227     DeleteCriticalSection(&omr->msg_crst);
1228     return 0;
1229 }
1230
1231 /******************************************************************
1232  *              OSS_AddRingMessage
1233  *
1234  * Inserts a new message into the ring (should be called from DriverProc derivated routines)
1235  */
1236 static int OSS_AddRingMessage(OSS_MSG_RING* omr, enum win_wm_message msg, DWORD param, BOOL wait)
1237 {
1238     HANDLE      hEvent = INVALID_HANDLE_VALUE;
1239
1240     EnterCriticalSection(&omr->msg_crst);
1241     if ((omr->msg_toget == ((omr->msg_tosave + 1) % omr->ring_buffer_size)))
1242     {
1243         int old_ring_buffer_size = omr->ring_buffer_size;
1244         omr->ring_buffer_size += OSS_RING_BUFFER_INCREMENT;
1245         TRACE("omr->ring_buffer_size=%d\n",omr->ring_buffer_size);
1246         omr->messages = HeapReAlloc(GetProcessHeap(),0,omr->messages, omr->ring_buffer_size * sizeof(OSS_MSG));
1247         /* Now we need to rearrange the ring buffer so that the new
1248            buffers just allocated are in between omr->msg_tosave and
1249            omr->msg_toget.
1250         */
1251         if (omr->msg_tosave < omr->msg_toget)
1252         {
1253             memmove(&(omr->messages[omr->msg_toget + OSS_RING_BUFFER_INCREMENT]),
1254                     &(omr->messages[omr->msg_toget]),
1255                     sizeof(OSS_MSG)*(old_ring_buffer_size - omr->msg_toget)
1256                     );
1257             omr->msg_toget += OSS_RING_BUFFER_INCREMENT;
1258         }
1259     }
1260     if (wait)
1261     {
1262         hEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
1263         if (hEvent == INVALID_HANDLE_VALUE)
1264         {
1265             ERR("can't create event !?\n");
1266             LeaveCriticalSection(&omr->msg_crst);
1267             return 0;
1268         }
1269         if (omr->msg_toget != omr->msg_tosave && omr->messages[omr->msg_toget].msg != WINE_WM_HEADER)
1270             FIXME("two fast messages in the queue!!!! toget = %d(%s), tosave=%d(%s)\n",
1271             omr->msg_toget,getCmdString(omr->messages[omr->msg_toget].msg),
1272             omr->msg_tosave,getCmdString(omr->messages[omr->msg_tosave].msg));
1273
1274         /* fast messages have to be added at the start of the queue */
1275         omr->msg_toget = (omr->msg_toget + omr->ring_buffer_size - 1) % omr->ring_buffer_size;
1276         omr->messages[omr->msg_toget].msg = msg;
1277         omr->messages[omr->msg_toget].param = param;
1278         omr->messages[omr->msg_toget].hEvent = hEvent;
1279     }
1280     else
1281     {
1282         omr->messages[omr->msg_tosave].msg = msg;
1283         omr->messages[omr->msg_tosave].param = param;
1284         omr->messages[omr->msg_tosave].hEvent = INVALID_HANDLE_VALUE;
1285         omr->msg_tosave = (omr->msg_tosave + 1) % omr->ring_buffer_size;
1286     }
1287     LeaveCriticalSection(&omr->msg_crst);
1288     /* signal a new message */
1289     SIGNAL_OMR(omr);
1290     if (wait)
1291     {
1292         /* wait for playback/record thread to have processed the message */
1293         WaitForSingleObject(hEvent, INFINITE);
1294         CloseHandle(hEvent);
1295     }
1296     return 1;
1297 }
1298
1299 /******************************************************************
1300  *              OSS_RetrieveRingMessage
1301  *
1302  * Get a message from the ring. Should be called by the playback/record thread.
1303  */
1304 static int OSS_RetrieveRingMessage(OSS_MSG_RING* omr,
1305                                    enum win_wm_message *msg, DWORD *param, HANDLE *hEvent)
1306 {
1307     EnterCriticalSection(&omr->msg_crst);
1308
1309     if (omr->msg_toget == omr->msg_tosave) /* buffer empty ? */
1310     {
1311         LeaveCriticalSection(&omr->msg_crst);
1312         return 0;
1313     }
1314
1315     *msg = omr->messages[omr->msg_toget].msg;
1316     omr->messages[omr->msg_toget].msg = 0;
1317     *param = omr->messages[omr->msg_toget].param;
1318     *hEvent = omr->messages[omr->msg_toget].hEvent;
1319     omr->msg_toget = (omr->msg_toget + 1) % omr->ring_buffer_size;
1320     CLEAR_OMR(omr);
1321     LeaveCriticalSection(&omr->msg_crst);
1322     return 1;
1323 }
1324
1325 /******************************************************************
1326  *              OSS_PeekRingMessage
1327  *
1328  * Peek at a message from the ring but do not remove it.
1329  * Should be called by the playback/record thread.
1330  */
1331 static int OSS_PeekRingMessage(OSS_MSG_RING* omr,
1332                                enum win_wm_message *msg,
1333                                DWORD *param, HANDLE *hEvent)
1334 {
1335     EnterCriticalSection(&omr->msg_crst);
1336
1337     if (omr->msg_toget == omr->msg_tosave) /* buffer empty ? */
1338     {
1339         LeaveCriticalSection(&omr->msg_crst);
1340         return 0;
1341     }
1342
1343     *msg = omr->messages[omr->msg_toget].msg;
1344     *param = omr->messages[omr->msg_toget].param;
1345     *hEvent = omr->messages[omr->msg_toget].hEvent;
1346     LeaveCriticalSection(&omr->msg_crst);
1347     return 1;
1348 }
1349
1350 /*======================================================================*
1351  *                  Low level WAVE OUT implementation                   *
1352  *======================================================================*/
1353
1354 /**************************************************************************
1355  *                      wodNotifyClient                 [internal]
1356  */
1357 static DWORD wodNotifyClient(WINE_WAVEOUT* wwo, WORD wMsg, DWORD dwParam1, DWORD dwParam2)
1358 {
1359     TRACE("wMsg = 0x%04x (%s) dwParm1 = %04lX dwParam2 = %04lX\n", wMsg,
1360         wMsg == WOM_OPEN ? "WOM_OPEN" : wMsg == WOM_CLOSE ? "WOM_CLOSE" :
1361         wMsg == WOM_DONE ? "WOM_DONE" : "Unknown", dwParam1, dwParam2);
1362
1363     switch (wMsg) {
1364     case WOM_OPEN:
1365     case WOM_CLOSE:
1366     case WOM_DONE:
1367         if (wwo->wFlags != DCB_NULL &&
1368             !DriverCallback(wwo->waveDesc.dwCallback, wwo->wFlags,
1369                             (HDRVR)wwo->waveDesc.hWave, wMsg,
1370                             wwo->waveDesc.dwInstance, dwParam1, dwParam2)) {
1371             WARN("can't notify client !\n");
1372             return MMSYSERR_ERROR;
1373         }
1374         break;
1375     default:
1376         FIXME("Unknown callback message %u\n", wMsg);
1377         return MMSYSERR_INVALPARAM;
1378     }
1379     return MMSYSERR_NOERROR;
1380 }
1381
1382 /**************************************************************************
1383  *                              wodUpdatePlayedTotal    [internal]
1384  *
1385  */
1386 static BOOL wodUpdatePlayedTotal(WINE_WAVEOUT* wwo, audio_buf_info* info)
1387 {
1388     audio_buf_info dspspace;
1389     DWORD notplayed;
1390     if (!info) info = &dspspace;
1391
1392     if (ioctl(wwo->ossdev->fd, SNDCTL_DSP_GETOSPACE, info) < 0) {
1393         ERR("ioctl(%s, SNDCTL_DSP_GETOSPACE) failed (%s)\n", wwo->ossdev->dev_name, strerror(errno));
1394         return FALSE;
1395     }
1396
1397     /* GETOSPACE is not always accurate when we're down to the last fragment or two;
1398     **   we try to accommodate that here by assuming that the dsp is empty by looking
1399     **   at the clock rather than the result of GETOSPACE */
1400     notplayed = wwo->dwBufferSize - info->bytes;
1401     if (notplayed > 0 && notplayed < (info->fragsize * 2))
1402     {
1403         if (wwo->dwProjectedFinishTime && GetTickCount() >= wwo->dwProjectedFinishTime)
1404         {
1405             TRACE("Adjusting for a presumed OSS bug and assuming all data has been played.\n");
1406             wwo->dwPlayedTotal = wwo->dwWrittenTotal;
1407             return TRUE;
1408         }
1409         else
1410             /* Some OSS drivers will clean up nicely if given a POST, so give 'em the chance... */
1411             ioctl(wwo->ossdev->fd, SNDCTL_DSP_POST, 0);
1412     }
1413
1414     wwo->dwPlayedTotal = wwo->dwWrittenTotal - notplayed;
1415     return TRUE;
1416 }
1417
1418 /**************************************************************************
1419  *                              wodPlayer_BeginWaveHdr          [internal]
1420  *
1421  * Makes the specified lpWaveHdr the currently playing wave header.
1422  * If the specified wave header is a begin loop and we're not already in
1423  * a loop, setup the loop.
1424  */
1425 static void wodPlayer_BeginWaveHdr(WINE_WAVEOUT* wwo, LPWAVEHDR lpWaveHdr)
1426 {
1427     wwo->lpPlayPtr = lpWaveHdr;
1428
1429     if (!lpWaveHdr) return;
1430
1431     if (lpWaveHdr->dwFlags & WHDR_BEGINLOOP) {
1432         if (wwo->lpLoopPtr) {
1433             WARN("Already in a loop. Discarding loop on this header (%p)\n", lpWaveHdr);
1434         } else {
1435             TRACE("Starting loop (%ldx) with %p\n", lpWaveHdr->dwLoops, lpWaveHdr);
1436             wwo->lpLoopPtr = lpWaveHdr;
1437             /* Windows does not touch WAVEHDR.dwLoops,
1438              * so we need to make an internal copy */
1439             wwo->dwLoops = lpWaveHdr->dwLoops;
1440         }
1441     }
1442     wwo->dwPartialOffset = 0;
1443 }
1444
1445 /**************************************************************************
1446  *                              wodPlayer_PlayPtrNext           [internal]
1447  *
1448  * Advance the play pointer to the next waveheader, looping if required.
1449  */
1450 static LPWAVEHDR wodPlayer_PlayPtrNext(WINE_WAVEOUT* wwo)
1451 {
1452     LPWAVEHDR lpWaveHdr = wwo->lpPlayPtr;
1453
1454     wwo->dwPartialOffset = 0;
1455     if ((lpWaveHdr->dwFlags & WHDR_ENDLOOP) && wwo->lpLoopPtr) {
1456         /* We're at the end of a loop, loop if required */
1457         if (--wwo->dwLoops > 0) {
1458             wwo->lpPlayPtr = wwo->lpLoopPtr;
1459         } else {
1460             /* Handle overlapping loops correctly */
1461             if (wwo->lpLoopPtr != lpWaveHdr && (lpWaveHdr->dwFlags & WHDR_BEGINLOOP)) {
1462                 FIXME("Correctly handled case ? (ending loop buffer also starts a new loop)\n");
1463                 /* shall we consider the END flag for the closing loop or for
1464                  * the opening one or for both ???
1465                  * code assumes for closing loop only
1466                  */
1467             } else {
1468                 lpWaveHdr = lpWaveHdr->lpNext;
1469             }
1470             wwo->lpLoopPtr = NULL;
1471             wodPlayer_BeginWaveHdr(wwo, lpWaveHdr);
1472         }
1473     } else {
1474         /* We're not in a loop.  Advance to the next wave header */
1475         wodPlayer_BeginWaveHdr(wwo, lpWaveHdr = lpWaveHdr->lpNext);
1476     }
1477
1478     return lpWaveHdr;
1479 }
1480
1481 /**************************************************************************
1482  *                           wodPlayer_TicksTillEmpty           [internal]
1483  * Returns the number of ticks until we think the DSP should be empty
1484  */
1485 static DWORD wodPlayer_TicksTillEmpty(const WINE_WAVEOUT *wwo)
1486 {
1487     return ((wwo->dwWrittenTotal - wwo->dwPlayedTotal) * 1000)
1488         / wwo->waveFormat.Format.nAvgBytesPerSec;
1489 }
1490
1491 /**************************************************************************
1492  *                           wodPlayer_DSPWait                  [internal]
1493  * Returns the number of milliseconds to wait for the DSP buffer to write
1494  * one fragment.
1495  */
1496 static DWORD wodPlayer_DSPWait(const WINE_WAVEOUT *wwo)
1497 {
1498     /* time for one fragment to be played */
1499     return wwo->dwFragmentSize * 1000 / wwo->waveFormat.Format.nAvgBytesPerSec;
1500 }
1501
1502 /**************************************************************************
1503  *                           wodPlayer_NotifyWait               [internal]
1504  * Returns the number of milliseconds to wait before attempting to notify
1505  * completion of the specified wavehdr.
1506  * This is based on the number of bytes remaining to be written in the
1507  * wave.
1508  */
1509 static DWORD wodPlayer_NotifyWait(const WINE_WAVEOUT* wwo, LPWAVEHDR lpWaveHdr)
1510 {
1511     DWORD dwMillis;
1512
1513     if (lpWaveHdr->reserved < wwo->dwPlayedTotal) {
1514         dwMillis = 1;
1515     } else {
1516         dwMillis = (lpWaveHdr->reserved - wwo->dwPlayedTotal) * 1000 / wwo->waveFormat.Format.nAvgBytesPerSec;
1517         if (!dwMillis) dwMillis = 1;
1518     }
1519
1520     return dwMillis;
1521 }
1522
1523
1524 /**************************************************************************
1525  *                           wodPlayer_WriteMaxFrags            [internal]
1526  * Writes the maximum number of bytes possible to the DSP and returns
1527  * TRUE iff the current playPtr has been fully played
1528  */
1529 static BOOL wodPlayer_WriteMaxFrags(WINE_WAVEOUT* wwo, DWORD* bytes)
1530 {
1531     DWORD       dwLength = wwo->lpPlayPtr->dwBufferLength - wwo->dwPartialOffset;
1532     DWORD       toWrite = min(dwLength, *bytes);
1533     int         written;
1534     BOOL        ret = FALSE;
1535
1536     TRACE("Writing wavehdr %p.%lu[%lu]/%lu\n",
1537           wwo->lpPlayPtr, wwo->dwPartialOffset, wwo->lpPlayPtr->dwBufferLength, toWrite);
1538
1539     if (toWrite > 0)
1540     {
1541         written = write(wwo->ossdev->fd, wwo->lpPlayPtr->lpData + wwo->dwPartialOffset, toWrite);
1542         if (written <= 0) {
1543             TRACE("write(%s, %p, %ld) failed (%s) returned %d\n", wwo->ossdev->dev_name,
1544                 wwo->lpPlayPtr->lpData + wwo->dwPartialOffset, toWrite, strerror(errno), written);
1545             return FALSE;
1546         }
1547     }
1548     else
1549         written = 0;
1550
1551     if (written >= dwLength) {
1552         /* If we wrote all current wavehdr, skip to the next one */
1553         wodPlayer_PlayPtrNext(wwo);
1554         ret = TRUE;
1555     } else {
1556         /* Remove the amount written */
1557         wwo->dwPartialOffset += written;
1558     }
1559     *bytes -= written;
1560     wwo->dwWrittenTotal += written;
1561     TRACE("dwWrittenTotal=%lu\n", wwo->dwWrittenTotal);
1562     return ret;
1563 }
1564
1565
1566 /**************************************************************************
1567  *                              wodPlayer_NotifyCompletions     [internal]
1568  *
1569  * Notifies and remove from queue all wavehdrs which have been played to
1570  * the speaker (ie. they have cleared the OSS buffer).  If force is true,
1571  * we notify all wavehdrs and remove them all from the queue even if they
1572  * are unplayed or part of a loop.
1573  */
1574 static DWORD wodPlayer_NotifyCompletions(WINE_WAVEOUT* wwo, BOOL force)
1575 {
1576     LPWAVEHDR           lpWaveHdr;
1577
1578     /* Start from lpQueuePtr and keep notifying until:
1579      * - we hit an unwritten wavehdr
1580      * - we hit the beginning of a running loop
1581      * - we hit a wavehdr which hasn't finished playing
1582      */
1583 #if 0
1584     while ((lpWaveHdr = wwo->lpQueuePtr) &&
1585            (force ||
1586             (lpWaveHdr != wwo->lpPlayPtr &&
1587              lpWaveHdr != wwo->lpLoopPtr &&
1588              lpWaveHdr->reserved <= wwo->dwPlayedTotal))) {
1589
1590         wwo->lpQueuePtr = lpWaveHdr->lpNext;
1591
1592         lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
1593         lpWaveHdr->dwFlags |= WHDR_DONE;
1594
1595         wodNotifyClient(wwo, WOM_DONE, (DWORD)lpWaveHdr, 0);
1596     }
1597 #else
1598     for (;;)
1599     {
1600         lpWaveHdr = wwo->lpQueuePtr;
1601         if (!lpWaveHdr) {TRACE("Empty queue\n"); break;}
1602         if (!force)
1603         {
1604             if (lpWaveHdr == wwo->lpPlayPtr) {TRACE("play %p\n", lpWaveHdr); break;}
1605             if (lpWaveHdr == wwo->lpLoopPtr) {TRACE("loop %p\n", lpWaveHdr); break;}
1606             if (lpWaveHdr->reserved > wwo->dwPlayedTotal){TRACE("still playing %p (%lu/%lu)\n", lpWaveHdr, lpWaveHdr->reserved, wwo->dwPlayedTotal);break;}
1607         }
1608         wwo->lpQueuePtr = lpWaveHdr->lpNext;
1609
1610         lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
1611         lpWaveHdr->dwFlags |= WHDR_DONE;
1612
1613         wodNotifyClient(wwo, WOM_DONE, (DWORD)lpWaveHdr, 0);
1614     }
1615 #endif
1616     return  (lpWaveHdr && lpWaveHdr != wwo->lpPlayPtr && lpWaveHdr != wwo->lpLoopPtr) ?
1617         wodPlayer_NotifyWait(wwo, lpWaveHdr) : INFINITE;
1618 }
1619
1620 /**************************************************************************
1621  *                              wodPlayer_Reset                 [internal]
1622  *
1623  * wodPlayer helper. Resets current output stream.
1624  */
1625 static  void    wodPlayer_Reset(WINE_WAVEOUT* wwo, BOOL reset)
1626 {
1627     wodUpdatePlayedTotal(wwo, NULL);
1628     /* updates current notify list */
1629     wodPlayer_NotifyCompletions(wwo, FALSE);
1630
1631     /* flush all possible output */
1632     if (OSS_ResetDevice(wwo->ossdev) != MMSYSERR_NOERROR)
1633     {
1634         wwo->hThread = 0;
1635         wwo->state = WINE_WS_STOPPED;
1636         ExitThread(-1);
1637     }
1638
1639     if (reset) {
1640         enum win_wm_message     msg;
1641         DWORD                   param;
1642         HANDLE                  ev;
1643
1644         /* remove any buffer */
1645         wodPlayer_NotifyCompletions(wwo, TRUE);
1646
1647         wwo->lpPlayPtr = wwo->lpQueuePtr = wwo->lpLoopPtr = NULL;
1648         wwo->state = WINE_WS_STOPPED;
1649         wwo->dwPlayedTotal = wwo->dwWrittenTotal = 0;
1650         /* Clear partial wavehdr */
1651         wwo->dwPartialOffset = 0;
1652
1653         /* remove any existing message in the ring */
1654         EnterCriticalSection(&wwo->msgRing.msg_crst);
1655         /* return all pending headers in queue */
1656         while (OSS_RetrieveRingMessage(&wwo->msgRing, &msg, &param, &ev))
1657         {
1658             if (msg != WINE_WM_HEADER)
1659             {
1660                 FIXME("shouldn't have headers left\n");
1661                 SetEvent(ev);
1662                 continue;
1663             }
1664             ((LPWAVEHDR)param)->dwFlags &= ~WHDR_INQUEUE;
1665             ((LPWAVEHDR)param)->dwFlags |= WHDR_DONE;
1666
1667             wodNotifyClient(wwo, WOM_DONE, param, 0);
1668         }
1669         RESET_OMR(&wwo->msgRing);
1670         LeaveCriticalSection(&wwo->msgRing.msg_crst);
1671     } else {
1672         if (wwo->lpLoopPtr) {
1673             /* complicated case, not handled yet (could imply modifying the loop counter */
1674             FIXME("Pausing while in loop isn't correctly handled yet, except strange results\n");
1675             wwo->lpPlayPtr = wwo->lpLoopPtr;
1676             wwo->dwPartialOffset = 0;
1677             wwo->dwWrittenTotal = wwo->dwPlayedTotal; /* this is wrong !!! */
1678         } else {
1679             LPWAVEHDR   ptr;
1680             DWORD       sz = wwo->dwPartialOffset;
1681
1682             /* reset all the data as if we had written only up to lpPlayedTotal bytes */
1683             /* compute the max size playable from lpQueuePtr */
1684             for (ptr = wwo->lpQueuePtr; ptr != wwo->lpPlayPtr; ptr = ptr->lpNext) {
1685                 sz += ptr->dwBufferLength;
1686             }
1687             /* because the reset lpPlayPtr will be lpQueuePtr */
1688             if (wwo->dwWrittenTotal > wwo->dwPlayedTotal + sz) ERR("grin\n");
1689             wwo->dwPartialOffset = sz - (wwo->dwWrittenTotal - wwo->dwPlayedTotal);
1690             wwo->dwWrittenTotal = wwo->dwPlayedTotal;
1691             wwo->lpPlayPtr = wwo->lpQueuePtr;
1692         }
1693         wwo->state = WINE_WS_PAUSED;
1694     }
1695 }
1696
1697 /**************************************************************************
1698  *                    wodPlayer_ProcessMessages                 [internal]
1699  */
1700 static void wodPlayer_ProcessMessages(WINE_WAVEOUT* wwo)
1701 {
1702     LPWAVEHDR           lpWaveHdr;
1703     enum win_wm_message msg;
1704     DWORD               param;
1705     HANDLE              ev;
1706
1707     while (OSS_RetrieveRingMessage(&wwo->msgRing, &msg, &param, &ev)) {
1708         TRACE("Received %s %lx\n", getCmdString(msg), param);
1709         switch (msg) {
1710         case WINE_WM_PAUSING:
1711             wodPlayer_Reset(wwo, FALSE);
1712             SetEvent(ev);
1713             break;
1714         case WINE_WM_RESTARTING:
1715             if (wwo->state == WINE_WS_PAUSED)
1716             {
1717                 wwo->state = WINE_WS_PLAYING;
1718             }
1719             SetEvent(ev);
1720             break;
1721         case WINE_WM_HEADER:
1722             lpWaveHdr = (LPWAVEHDR)param;
1723
1724             /* insert buffer at the end of queue */
1725             {
1726                 LPWAVEHDR*      wh;
1727                 for (wh = &(wwo->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
1728                 *wh = lpWaveHdr;
1729             }
1730             if (!wwo->lpPlayPtr)
1731                 wodPlayer_BeginWaveHdr(wwo,lpWaveHdr);
1732             if (wwo->state == WINE_WS_STOPPED)
1733                 wwo->state = WINE_WS_PLAYING;
1734             break;
1735         case WINE_WM_RESETTING:
1736             wodPlayer_Reset(wwo, TRUE);
1737             SetEvent(ev);
1738             break;
1739         case WINE_WM_UPDATE:
1740             wodUpdatePlayedTotal(wwo, NULL);
1741             SetEvent(ev);
1742             break;
1743         case WINE_WM_BREAKLOOP:
1744             if (wwo->state == WINE_WS_PLAYING && wwo->lpLoopPtr != NULL) {
1745                 /* ensure exit at end of current loop */
1746                 wwo->dwLoops = 1;
1747             }
1748             SetEvent(ev);
1749             break;
1750         case WINE_WM_CLOSING:
1751             /* sanity check: this should not happen since the device must have been reset before */
1752             if (wwo->lpQueuePtr || wwo->lpPlayPtr) ERR("out of sync\n");
1753             wwo->hThread = 0;
1754             wwo->state = WINE_WS_CLOSED;
1755             SetEvent(ev);
1756             ExitThread(0);
1757             /* shouldn't go here */
1758         default:
1759             FIXME("unknown message %d\n", msg);
1760             break;
1761         }
1762     }
1763 }
1764
1765 /**************************************************************************
1766  *                           wodPlayer_FeedDSP                  [internal]
1767  * Feed as much sound data as we can into the DSP and return the number of
1768  * milliseconds before it will be necessary to feed the DSP again.
1769  */
1770 static DWORD wodPlayer_FeedDSP(WINE_WAVEOUT* wwo)
1771 {
1772     audio_buf_info dspspace;
1773     DWORD       availInQ;
1774
1775     if (!wodUpdatePlayedTotal(wwo, &dspspace)) return INFINITE;
1776     availInQ = dspspace.bytes;
1777     TRACE("fragments=%d/%d, fragsize=%d, bytes=%d\n",
1778           dspspace.fragments, dspspace.fragstotal, dspspace.fragsize, dspspace.bytes);
1779
1780     /* no more room... no need to try to feed */
1781     if (dspspace.fragments != 0) {
1782         /* Feed from partial wavehdr */
1783         if (wwo->lpPlayPtr && wwo->dwPartialOffset != 0) {
1784             wodPlayer_WriteMaxFrags(wwo, &availInQ);
1785         }
1786
1787         /* Feed wavehdrs until we run out of wavehdrs or DSP space */
1788         if (wwo->dwPartialOffset == 0 && wwo->lpPlayPtr) {
1789             do {
1790                 TRACE("Setting time to elapse for %p to %lu\n",
1791                       wwo->lpPlayPtr, wwo->dwWrittenTotal + wwo->lpPlayPtr->dwBufferLength);
1792                 /* note the value that dwPlayedTotal will return when this wave finishes playing */
1793                 wwo->lpPlayPtr->reserved = wwo->dwWrittenTotal + wwo->lpPlayPtr->dwBufferLength;
1794             } while (wodPlayer_WriteMaxFrags(wwo, &availInQ) && wwo->lpPlayPtr && availInQ > 0);
1795         }
1796
1797         if (wwo->bNeedPost) {
1798             /* OSS doesn't start before it gets either 2 fragments or a SNDCTL_DSP_POST;
1799              * if it didn't get one, we give it the other */
1800             if (wwo->dwBufferSize < availInQ + 2 * wwo->dwFragmentSize)
1801                 ioctl(wwo->ossdev->fd, SNDCTL_DSP_POST, 0);
1802             wwo->bNeedPost = FALSE;
1803         }
1804     }
1805
1806     return wodPlayer_DSPWait(wwo);
1807 }
1808
1809
1810 /**************************************************************************
1811  *                              wodPlayer                       [internal]
1812  */
1813 static  DWORD   CALLBACK        wodPlayer(LPVOID pmt)
1814 {
1815     WORD          uDevID = (DWORD)pmt;
1816     WINE_WAVEOUT* wwo = (WINE_WAVEOUT*)&WOutDev[uDevID];
1817     DWORD         dwNextFeedTime = INFINITE;   /* Time before DSP needs feeding */
1818     DWORD         dwNextNotifyTime = INFINITE; /* Time before next wave completion */
1819     DWORD         dwSleepTime;
1820
1821     wwo->state = WINE_WS_STOPPED;
1822     SetEvent(wwo->hStartUpEvent);
1823
1824     for (;;) {
1825         /** Wait for the shortest time before an action is required.  If there
1826          *  are no pending actions, wait forever for a command.
1827          */
1828         dwSleepTime = min(dwNextFeedTime, dwNextNotifyTime);
1829         TRACE("waiting %lums (%lu,%lu)\n", dwSleepTime, dwNextFeedTime, dwNextNotifyTime);
1830         WAIT_OMR(&wwo->msgRing, dwSleepTime);
1831         wodPlayer_ProcessMessages(wwo);
1832         if (wwo->state == WINE_WS_PLAYING) {
1833             dwNextFeedTime = wodPlayer_FeedDSP(wwo);
1834             if (dwNextFeedTime != INFINITE)
1835                 wwo->dwProjectedFinishTime = GetTickCount() + wodPlayer_TicksTillEmpty(wwo);
1836             else
1837                 wwo->dwProjectedFinishTime = 0;
1838
1839             dwNextNotifyTime = wodPlayer_NotifyCompletions(wwo, FALSE);
1840             if (dwNextFeedTime == INFINITE) {
1841                 /* FeedDSP ran out of data, but before flushing, */
1842                 /* check that a notification didn't give us more */
1843                 wodPlayer_ProcessMessages(wwo);
1844                 if (!wwo->lpPlayPtr) {
1845                     TRACE("flushing\n");
1846                     ioctl(wwo->ossdev->fd, SNDCTL_DSP_SYNC, 0);
1847                     wwo->dwPlayedTotal = wwo->dwWrittenTotal;
1848                     dwNextNotifyTime = wodPlayer_NotifyCompletions(wwo, FALSE);
1849                 } else {
1850                     TRACE("recovering\n");
1851                     dwNextFeedTime = wodPlayer_FeedDSP(wwo);
1852                 }
1853             }
1854         } else {
1855             dwNextFeedTime = dwNextNotifyTime = INFINITE;
1856         }
1857     }
1858 }
1859
1860 /**************************************************************************
1861  *                      wodGetDevCaps                           [internal]
1862  */
1863 static DWORD wodGetDevCaps(WORD wDevID, LPWAVEOUTCAPSW lpCaps, DWORD dwSize)
1864 {
1865     TRACE("(%u, %p, %lu);\n", wDevID, lpCaps, dwSize);
1866
1867     if (lpCaps == NULL) {
1868         WARN("not enabled\n");
1869         return MMSYSERR_NOTENABLED;
1870     }
1871
1872     if (wDevID >= numOutDev) {
1873         WARN("numOutDev reached !\n");
1874         return MMSYSERR_BADDEVICEID;
1875     }
1876
1877     if (WOutDev[wDevID].ossdev->open_access == O_RDWR)
1878         memcpy(lpCaps, &WOutDev[wDevID].ossdev->duplex_out_caps, min(dwSize, sizeof(*lpCaps)));
1879     else
1880         memcpy(lpCaps, &WOutDev[wDevID].ossdev->out_caps, min(dwSize, sizeof(*lpCaps)));
1881
1882     return MMSYSERR_NOERROR;
1883 }
1884
1885 /**************************************************************************
1886  *                              wodOpen                         [internal]
1887  */
1888 DWORD wodOpen(WORD wDevID, LPWAVEOPENDESC lpDesc, DWORD dwFlags)
1889 {
1890     int                 audio_fragment;
1891     WINE_WAVEOUT*       wwo;
1892     audio_buf_info      info;
1893     DWORD               ret;
1894
1895     TRACE("(%u, %p[cb=%08lx], %08lX);\n", wDevID, lpDesc, lpDesc->dwCallback, dwFlags);
1896     if (lpDesc == NULL) {
1897         WARN("Invalid Parameter !\n");
1898         return MMSYSERR_INVALPARAM;
1899     }
1900     if (wDevID >= numOutDev) {
1901         TRACE("MAX_WAVOUTDRV reached !\n");
1902         return MMSYSERR_BADDEVICEID;
1903     }
1904
1905     /* only PCM format is supported so far... */
1906     if (!supportedFormat(lpDesc->lpFormat)) {
1907         WARN("Bad format: tag=%04X nChannels=%d nSamplesPerSec=%ld !\n",
1908              lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
1909              lpDesc->lpFormat->nSamplesPerSec);
1910         return WAVERR_BADFORMAT;
1911     }
1912
1913     if (dwFlags & WAVE_FORMAT_QUERY) {
1914         TRACE("Query format: tag=%04X nChannels=%d nSamplesPerSec=%ld !\n",
1915              lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
1916              lpDesc->lpFormat->nSamplesPerSec);
1917         return MMSYSERR_NOERROR;
1918     }
1919
1920     TRACE("OSS_OpenDevice requested this format: %ldx%dx%d %s\n",
1921           lpDesc->lpFormat->nSamplesPerSec,
1922           lpDesc->lpFormat->wBitsPerSample,
1923           lpDesc->lpFormat->nChannels,
1924           lpDesc->lpFormat->wFormatTag == WAVE_FORMAT_PCM ? "WAVE_FORMAT_PCM" :
1925           lpDesc->lpFormat->wFormatTag == WAVE_FORMAT_EXTENSIBLE ? "WAVE_FORMAT_EXTENSIBLE" :
1926           "UNSUPPORTED");
1927
1928     wwo = &WOutDev[wDevID];
1929
1930     if ((dwFlags & WAVE_DIRECTSOUND) &&
1931         !(wwo->ossdev->duplex_out_caps.dwSupport & WAVECAPS_DIRECTSOUND))
1932         /* not supported, ignore it */
1933         dwFlags &= ~WAVE_DIRECTSOUND;
1934
1935     if (dwFlags & WAVE_DIRECTSOUND) {
1936         if (wwo->ossdev->duplex_out_caps.dwSupport & WAVECAPS_SAMPLEACCURATE)
1937             /* we have realtime DirectSound, fragments just waste our time,
1938              * but a large buffer is good, so choose 64KB (32 * 2^11) */
1939             audio_fragment = 0x0020000B;
1940         else
1941             /* to approximate realtime, we must use small fragments,
1942              * let's try to fragment the above 64KB (256 * 2^8) */
1943             audio_fragment = 0x01000008;
1944     } else {
1945         /* A wave device must have a worst case latency of 10 ms so calculate
1946          * the largest fragment size less than 10 ms long.
1947          */
1948         int     fsize = lpDesc->lpFormat->nAvgBytesPerSec / 100;        /* 10 ms chunk */
1949         int     shift = 0;
1950         while ((1 << shift) <= fsize)
1951             shift++;
1952         shift--;
1953         audio_fragment = 0x00100000 + shift;    /* 16 fragments of 2^shift */
1954     }
1955
1956     TRACE("requesting %d %d byte fragments (%ld ms/fragment)\n",
1957         audio_fragment >> 16, 1 << (audio_fragment & 0xffff),
1958         ((1 << (audio_fragment & 0xffff)) * 1000) / lpDesc->lpFormat->nAvgBytesPerSec);
1959
1960     if (wwo->state != WINE_WS_CLOSED) {
1961         WARN("already allocated\n");
1962         return MMSYSERR_ALLOCATED;
1963     }
1964
1965     /* we want to be able to mmap() the device, which means it must be opened readable,
1966      * otherwise mmap() will fail (at least under Linux) */
1967     ret = OSS_OpenDevice(wwo->ossdev,
1968                          (dwFlags & WAVE_DIRECTSOUND) ? O_RDWR : O_WRONLY,
1969                          &audio_fragment,
1970                          (dwFlags & WAVE_DIRECTSOUND) ? 0 : 1,
1971                          lpDesc->lpFormat->nSamplesPerSec,
1972                          lpDesc->lpFormat->nChannels,
1973                          (lpDesc->lpFormat->wBitsPerSample == 16)
1974                              ? AFMT_S16_LE : AFMT_U8);
1975     if ((ret==MMSYSERR_NOERROR) && (dwFlags & WAVE_DIRECTSOUND)) {
1976         lpDesc->lpFormat->nSamplesPerSec=wwo->ossdev->sample_rate;
1977         lpDesc->lpFormat->nChannels=wwo->ossdev->channels;
1978         lpDesc->lpFormat->wBitsPerSample=(wwo->ossdev->format == AFMT_U8 ? 8 : 16);
1979         lpDesc->lpFormat->nBlockAlign=lpDesc->lpFormat->nChannels*lpDesc->lpFormat->wBitsPerSample/8;
1980         lpDesc->lpFormat->nAvgBytesPerSec=lpDesc->lpFormat->nSamplesPerSec*lpDesc->lpFormat->nBlockAlign;
1981         TRACE("OSS_OpenDevice returned this format: %ldx%dx%d\n",
1982               lpDesc->lpFormat->nSamplesPerSec,
1983               lpDesc->lpFormat->wBitsPerSample,
1984               lpDesc->lpFormat->nChannels);
1985     }
1986     if (ret != 0) return ret;
1987     wwo->state = WINE_WS_STOPPED;
1988
1989     wwo->wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
1990
1991     memcpy(&wwo->waveDesc, lpDesc, sizeof(WAVEOPENDESC));
1992     copy_format(lpDesc->lpFormat, &wwo->waveFormat);
1993
1994     if (wwo->waveFormat.Format.wBitsPerSample == 0) {
1995         WARN("Resetting zeroed wBitsPerSample\n");
1996         wwo->waveFormat.Format.wBitsPerSample = 8 *
1997             (wwo->waveFormat.Format.nAvgBytesPerSec /
1998              wwo->waveFormat.Format.nSamplesPerSec) /
1999             wwo->waveFormat.Format.nChannels;
2000     }
2001     /* Read output space info for future reference */
2002     if (ioctl(wwo->ossdev->fd, SNDCTL_DSP_GETOSPACE, &info) < 0) {
2003         ERR("ioctl(%s, SNDCTL_DSP_GETOSPACE) failed (%s)\n", wwo->ossdev->dev_name, strerror(errno));
2004         OSS_CloseDevice(wwo->ossdev);
2005         wwo->state = WINE_WS_CLOSED;
2006         return MMSYSERR_NOTENABLED;
2007     }
2008
2009     TRACE("got %d %d byte fragments (%d ms/fragment)\n", info.fragstotal,
2010         info.fragsize, (info.fragsize * 1000) / (wwo->ossdev->sample_rate *
2011         wwo->ossdev->channels * (wwo->ossdev->format == AFMT_U8 ? 1 : 2)));
2012
2013     /* Check that fragsize is correct per our settings above */
2014     if ((info.fragsize > 1024) && (LOWORD(audio_fragment) <= 10)) {
2015         /* we've tried to set 1K fragments or less, but it didn't work */
2016         ERR("fragment size set failed, size is now %d\n", info.fragsize);
2017         MESSAGE("Your Open Sound System driver did not let us configure small enough sound fragments.\n");
2018         MESSAGE("This may cause delays and other problems in audio playback with certain applications.\n");
2019     }
2020
2021     /* Remember fragsize and total buffer size for future use */
2022     wwo->dwFragmentSize = info.fragsize;
2023     wwo->dwBufferSize = info.fragstotal * info.fragsize;
2024     wwo->dwPlayedTotal = 0;
2025     wwo->dwWrittenTotal = 0;
2026     wwo->bNeedPost = TRUE;
2027
2028     TRACE("fd=%d fragstotal=%d fragsize=%d BufferSize=%ld\n",
2029           wwo->ossdev->fd, info.fragstotal, info.fragsize, wwo->dwBufferSize);
2030     if (wwo->dwFragmentSize % wwo->waveFormat.Format.nBlockAlign) {
2031         ERR("Fragment doesn't contain an integral number of data blocks fragsize=%ld BlockAlign=%d\n",wwo->dwFragmentSize,wwo->waveFormat.Format.nBlockAlign);
2032         /* Some SoundBlaster 16 cards return an incorrect (odd) fragment
2033          * size for 16 bit sound. This will cause a system crash when we try
2034          * to write just the specified odd number of bytes. So if we
2035          * detect something is wrong we'd better fix it.
2036          */
2037         wwo->dwFragmentSize-=wwo->dwFragmentSize % wwo->waveFormat.Format.nBlockAlign;
2038     }
2039
2040     OSS_InitRingMessage(&wwo->msgRing);
2041
2042     wwo->hStartUpEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
2043     wwo->hThread = CreateThread(NULL, 0, wodPlayer, (LPVOID)(DWORD)wDevID, 0, &(wwo->dwThreadID));
2044     if (wwo->hThread)
2045         SetThreadPriority(wwo->hThread, THREAD_PRIORITY_TIME_CRITICAL);
2046     WaitForSingleObject(wwo->hStartUpEvent, INFINITE);
2047     CloseHandle(wwo->hStartUpEvent);
2048     wwo->hStartUpEvent = INVALID_HANDLE_VALUE;
2049
2050     TRACE("wBitsPerSample=%u, nAvgBytesPerSec=%lu, nSamplesPerSec=%lu, nChannels=%u nBlockAlign=%u!\n",
2051           wwo->waveFormat.Format.wBitsPerSample, wwo->waveFormat.Format.nAvgBytesPerSec,
2052           wwo->waveFormat.Format.nSamplesPerSec, wwo->waveFormat.Format.nChannels,
2053           wwo->waveFormat.Format.nBlockAlign);
2054
2055     return wodNotifyClient(wwo, WOM_OPEN, 0L, 0L);
2056 }
2057
2058 /**************************************************************************
2059  *                              wodClose                        [internal]
2060  */
2061 static DWORD wodClose(WORD wDevID)
2062 {
2063     DWORD               ret = MMSYSERR_NOERROR;
2064     WINE_WAVEOUT*       wwo;
2065
2066     TRACE("(%u);\n", wDevID);
2067
2068     if (wDevID >= numOutDev || WOutDev[wDevID].state == WINE_WS_CLOSED) {
2069         WARN("bad device ID !\n");
2070         return MMSYSERR_BADDEVICEID;
2071     }
2072
2073     wwo = &WOutDev[wDevID];
2074     if (wwo->lpQueuePtr) {
2075         WARN("buffers still playing !\n");
2076         ret = WAVERR_STILLPLAYING;
2077     } else {
2078         if (wwo->hThread != INVALID_HANDLE_VALUE) {
2079             OSS_AddRingMessage(&wwo->msgRing, WINE_WM_CLOSING, 0, TRUE);
2080         }
2081
2082         OSS_DestroyRingMessage(&wwo->msgRing);
2083
2084         OSS_CloseDevice(wwo->ossdev);
2085         wwo->state = WINE_WS_CLOSED;
2086         wwo->dwFragmentSize = 0;
2087         ret = wodNotifyClient(wwo, WOM_CLOSE, 0L, 0L);
2088     }
2089     return ret;
2090 }
2091
2092 /**************************************************************************
2093  *                              wodWrite                        [internal]
2094  *
2095  */
2096 static DWORD wodWrite(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
2097 {
2098     TRACE("(%u, %p, %08lX);\n", wDevID, lpWaveHdr, dwSize);
2099
2100     /* first, do the sanity checks... */
2101     if (wDevID >= numOutDev || WOutDev[wDevID].state == WINE_WS_CLOSED) {
2102         WARN("bad dev ID !\n");
2103         return MMSYSERR_BADDEVICEID;
2104     }
2105
2106     if (lpWaveHdr->lpData == NULL || !(lpWaveHdr->dwFlags & WHDR_PREPARED))
2107         return WAVERR_UNPREPARED;
2108
2109     if (lpWaveHdr->dwFlags & WHDR_INQUEUE)
2110         return WAVERR_STILLPLAYING;
2111
2112     lpWaveHdr->dwFlags &= ~WHDR_DONE;
2113     lpWaveHdr->dwFlags |= WHDR_INQUEUE;
2114     lpWaveHdr->lpNext = 0;
2115
2116     if ((lpWaveHdr->dwBufferLength & (WOutDev[wDevID].waveFormat.Format.nBlockAlign - 1)) != 0)
2117     {
2118         WARN("WaveHdr length isn't a multiple of the PCM block size: %ld %% %d\n",lpWaveHdr->dwBufferLength,WOutDev[wDevID].waveFormat.Format.nBlockAlign);
2119         lpWaveHdr->dwBufferLength &= ~(WOutDev[wDevID].waveFormat.Format.nBlockAlign - 1);
2120     }
2121
2122     OSS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_HEADER, (DWORD)lpWaveHdr, FALSE);
2123
2124     return MMSYSERR_NOERROR;
2125 }
2126
2127 /**************************************************************************
2128  *                      wodPause                                [internal]
2129  */
2130 static DWORD wodPause(WORD wDevID)
2131 {
2132     TRACE("(%u);!\n", wDevID);
2133
2134     if (wDevID >= numOutDev || WOutDev[wDevID].state == WINE_WS_CLOSED) {
2135         WARN("bad device ID !\n");
2136         return MMSYSERR_BADDEVICEID;
2137     }
2138
2139     OSS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_PAUSING, 0, TRUE);
2140
2141     return MMSYSERR_NOERROR;
2142 }
2143
2144 /**************************************************************************
2145  *                      wodRestart                              [internal]
2146  */
2147 static DWORD wodRestart(WORD wDevID)
2148 {
2149     TRACE("(%u);\n", wDevID);
2150
2151     if (wDevID >= numOutDev || WOutDev[wDevID].state == WINE_WS_CLOSED) {
2152         WARN("bad device ID !\n");
2153         return MMSYSERR_BADDEVICEID;
2154     }
2155
2156     OSS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_RESTARTING, 0, TRUE);
2157
2158     /* FIXME: is NotifyClient with WOM_DONE right ? (Comet Busters 1.3.3 needs this notification) */
2159     /* FIXME: Myst crashes with this ... hmm -MM
2160        return wodNotifyClient(wwo, WOM_DONE, 0L, 0L);
2161     */
2162
2163     return MMSYSERR_NOERROR;
2164 }
2165
2166 /**************************************************************************
2167  *                      wodReset                                [internal]
2168  */
2169 static DWORD wodReset(WORD wDevID)
2170 {
2171     TRACE("(%u);\n", wDevID);
2172
2173     if (wDevID >= numOutDev || WOutDev[wDevID].state == WINE_WS_CLOSED) {
2174         WARN("bad device ID !\n");
2175         return MMSYSERR_BADDEVICEID;
2176     }
2177
2178     OSS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_RESETTING, 0, TRUE);
2179
2180     return MMSYSERR_NOERROR;
2181 }
2182
2183 /**************************************************************************
2184  *                              wodGetPosition                  [internal]
2185  */
2186 static DWORD wodGetPosition(WORD wDevID, LPMMTIME lpTime, DWORD uSize)
2187 {
2188     WINE_WAVEOUT*       wwo;
2189
2190     TRACE("(%u, %p, %lu);\n", wDevID, lpTime, uSize);
2191
2192     if (wDevID >= numOutDev || WOutDev[wDevID].state == WINE_WS_CLOSED) {
2193         WARN("bad device ID !\n");
2194         return MMSYSERR_BADDEVICEID;
2195     }
2196
2197     if (lpTime == NULL) {
2198         WARN("invalid parameter: lpTime == NULL\n");
2199         return MMSYSERR_INVALPARAM;
2200     }
2201
2202     wwo = &WOutDev[wDevID];
2203 #ifdef EXACT_WODPOSITION
2204     if (wwo->ossdev->open_access == O_RDWR) {
2205         if (wwo->ossdev->duplex_out_caps.dwSupport & WAVECAPS_SAMPLEACCURATE)
2206             OSS_AddRingMessage(&wwo->msgRing, WINE_WM_UPDATE, 0, TRUE);
2207     } else {
2208         if (wwo->ossdev->out_caps.dwSupport & WAVECAPS_SAMPLEACCURATE)
2209             OSS_AddRingMessage(&wwo->msgRing, WINE_WM_UPDATE, 0, TRUE);
2210     }
2211 #endif
2212
2213     return bytes_to_mmtime(lpTime, wwo->dwPlayedTotal, &wwo->waveFormat);
2214 }
2215
2216 /**************************************************************************
2217  *                              wodBreakLoop                    [internal]
2218  */
2219 static DWORD wodBreakLoop(WORD wDevID)
2220 {
2221     TRACE("(%u);\n", wDevID);
2222
2223     if (wDevID >= numOutDev || WOutDev[wDevID].state == WINE_WS_CLOSED) {
2224         WARN("bad device ID !\n");
2225         return MMSYSERR_BADDEVICEID;
2226     }
2227     OSS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_BREAKLOOP, 0, TRUE);
2228     return MMSYSERR_NOERROR;
2229 }
2230
2231 /**************************************************************************
2232  *                              wodGetVolume                    [internal]
2233  */
2234 static DWORD wodGetVolume(WORD wDevID, LPDWORD lpdwVol)
2235 {
2236     int         mixer;
2237     int         volume;
2238     DWORD       left, right;
2239     DWORD       last_left, last_right;
2240
2241     TRACE("(%u, %p);\n", wDevID, lpdwVol);
2242
2243     if (lpdwVol == NULL) {
2244         WARN("not enabled\n");
2245         return MMSYSERR_NOTENABLED;
2246     }
2247     if (wDevID >= numOutDev) {
2248         WARN("invalid parameter\n");
2249         return MMSYSERR_INVALPARAM;
2250     }
2251
2252     if ((mixer = open(WOutDev[wDevID].ossdev->mixer_name, O_RDONLY|O_NDELAY)) < 0) {
2253         WARN("mixer device not available !\n");
2254         return MMSYSERR_NOTENABLED;
2255     }
2256     if (ioctl(mixer, SOUND_MIXER_READ_PCM, &volume) == -1) {
2257         WARN("ioctl(%s, SOUND_MIXER_READ_PCM) failed (%s)\n",
2258              WOutDev[wDevID].ossdev->mixer_name, strerror(errno));
2259         return MMSYSERR_NOTENABLED;
2260     }
2261     close(mixer);
2262
2263     left = LOBYTE(volume);
2264     right = HIBYTE(volume);
2265     TRACE("left=%ld right=%ld !\n", left, right);
2266     last_left  = (LOWORD(WOutDev[wDevID].volume) * 100) / 0xFFFFl;
2267     last_right = (HIWORD(WOutDev[wDevID].volume) * 100) / 0xFFFFl;
2268     TRACE("last_left=%ld last_right=%ld !\n", last_left, last_right);
2269     if (last_left == left && last_right == right)
2270         *lpdwVol = WOutDev[wDevID].volume;
2271     else
2272         *lpdwVol = ((left * 0xFFFFl) / 100) + (((right * 0xFFFFl) / 100) << 16);
2273     return MMSYSERR_NOERROR;
2274 }
2275
2276 /**************************************************************************
2277  *                              wodSetVolume                    [internal]
2278  */
2279 DWORD wodSetVolume(WORD wDevID, DWORD dwParam)
2280 {
2281     int         mixer;
2282     int         volume;
2283     DWORD       left, right;
2284
2285     TRACE("(%u, %08lX);\n", wDevID, dwParam);
2286
2287     left  = (LOWORD(dwParam) * 100) / 0xFFFFl;
2288     right = (HIWORD(dwParam) * 100) / 0xFFFFl;
2289     volume = left + (right << 8);
2290
2291     if (wDevID >= numOutDev) {
2292         WARN("invalid parameter: wDevID > %d\n", numOutDev);
2293         return MMSYSERR_INVALPARAM;
2294     }
2295     if ((mixer = open(WOutDev[wDevID].ossdev->mixer_name, O_WRONLY|O_NDELAY)) < 0) {
2296         WARN("open(%s) failed (%s)\n", WOutDev[wDevID].ossdev->mixer_name, strerror(errno));
2297         return MMSYSERR_NOTENABLED;
2298     }
2299     if (ioctl(mixer, SOUND_MIXER_WRITE_PCM, &volume) == -1) {
2300         WARN("ioctl(%s, SOUND_MIXER_WRITE_PCM) failed (%s)\n",
2301             WOutDev[wDevID].ossdev->mixer_name, strerror(errno));
2302         return MMSYSERR_NOTENABLED;
2303     } else {
2304         TRACE("volume=%04x\n", (unsigned)volume);
2305     }
2306     close(mixer);
2307
2308     /* save requested volume */
2309     WOutDev[wDevID].volume = dwParam;
2310
2311     return MMSYSERR_NOERROR;
2312 }
2313
2314 /**************************************************************************
2315  *                              wodMessage (WINEOSS.7)
2316  */
2317 DWORD WINAPI OSS_wodMessage(UINT wDevID, UINT wMsg, DWORD dwUser,
2318                             DWORD dwParam1, DWORD dwParam2)
2319 {
2320     TRACE("(%u, %s, %08lX, %08lX, %08lX);\n",
2321           wDevID, getMessage(wMsg), dwUser, dwParam1, dwParam2);
2322
2323     switch (wMsg) {
2324     case DRVM_INIT:
2325     case DRVM_EXIT:
2326     case DRVM_ENABLE:
2327     case DRVM_DISABLE:
2328         /* FIXME: Pretend this is supported */
2329         return 0;
2330     case WODM_OPEN:             return wodOpen          (wDevID, (LPWAVEOPENDESC)dwParam1,      dwParam2);
2331     case WODM_CLOSE:            return wodClose         (wDevID);
2332     case WODM_WRITE:            return wodWrite         (wDevID, (LPWAVEHDR)dwParam1,           dwParam2);
2333     case WODM_PAUSE:            return wodPause         (wDevID);
2334     case WODM_GETPOS:           return wodGetPosition   (wDevID, (LPMMTIME)dwParam1,            dwParam2);
2335     case WODM_BREAKLOOP:        return wodBreakLoop     (wDevID);
2336     case WODM_PREPARE:          return MMSYSERR_NOTSUPPORTED;
2337     case WODM_UNPREPARE:        return MMSYSERR_NOTSUPPORTED;
2338     case WODM_GETDEVCAPS:       return wodGetDevCaps    (wDevID, (LPWAVEOUTCAPSW)dwParam1,      dwParam2);
2339     case WODM_GETNUMDEVS:       return numOutDev;
2340     case WODM_GETPITCH:         return MMSYSERR_NOTSUPPORTED;
2341     case WODM_SETPITCH:         return MMSYSERR_NOTSUPPORTED;
2342     case WODM_GETPLAYBACKRATE:  return MMSYSERR_NOTSUPPORTED;
2343     case WODM_SETPLAYBACKRATE:  return MMSYSERR_NOTSUPPORTED;
2344     case WODM_GETVOLUME:        return wodGetVolume     (wDevID, (LPDWORD)dwParam1);
2345     case WODM_SETVOLUME:        return wodSetVolume     (wDevID, dwParam1);
2346     case WODM_RESTART:          return wodRestart       (wDevID);
2347     case WODM_RESET:            return wodReset         (wDevID);
2348
2349     case DRV_QUERYDEVICEINTERFACESIZE: return wodDevInterfaceSize      (wDevID, (LPDWORD)dwParam1);
2350     case DRV_QUERYDEVICEINTERFACE:     return wodDevInterface          (wDevID, (PWCHAR)dwParam1, dwParam2);
2351     case DRV_QUERYDSOUNDIFACE:  return wodDsCreate      (wDevID, (PIDSDRIVER*)dwParam1);
2352     case DRV_QUERYDSOUNDDESC:   return wodDsDesc        (wDevID, (PDSDRIVERDESC)dwParam1);
2353     default:
2354         FIXME("unknown message %d!\n", wMsg);
2355     }
2356     return MMSYSERR_NOTSUPPORTED;
2357 }
2358
2359 /*======================================================================*
2360  *                  Low level WAVE IN implementation                    *
2361  *======================================================================*/
2362
2363 /**************************************************************************
2364  *                      widNotifyClient                 [internal]
2365  */
2366 static DWORD widNotifyClient(WINE_WAVEIN* wwi, WORD wMsg, DWORD dwParam1, DWORD dwParam2)
2367 {
2368     TRACE("wMsg = 0x%04x (%s) dwParm1 = %04lX dwParam2 = %04lX\n", wMsg,
2369         wMsg == WIM_OPEN ? "WIM_OPEN" : wMsg == WIM_CLOSE ? "WIM_CLOSE" :
2370         wMsg == WIM_DATA ? "WIM_DATA" : "Unknown", dwParam1, dwParam2);
2371
2372     switch (wMsg) {
2373     case WIM_OPEN:
2374     case WIM_CLOSE:
2375     case WIM_DATA:
2376         if (wwi->wFlags != DCB_NULL &&
2377             !DriverCallback(wwi->waveDesc.dwCallback, wwi->wFlags,
2378                             (HDRVR)wwi->waveDesc.hWave, wMsg,
2379                             wwi->waveDesc.dwInstance, dwParam1, dwParam2)) {
2380             WARN("can't notify client !\n");
2381             return MMSYSERR_ERROR;
2382         }
2383         break;
2384     default:
2385         FIXME("Unknown callback message %u\n", wMsg);
2386         return MMSYSERR_INVALPARAM;
2387     }
2388     return MMSYSERR_NOERROR;
2389 }
2390
2391 /**************************************************************************
2392  *                      widGetDevCaps                           [internal]
2393  */
2394 static DWORD widGetDevCaps(WORD wDevID, LPWAVEINCAPSW lpCaps, DWORD dwSize)
2395 {
2396     TRACE("(%u, %p, %lu);\n", wDevID, lpCaps, dwSize);
2397
2398     if (lpCaps == NULL) return MMSYSERR_NOTENABLED;
2399
2400     if (wDevID >= numInDev) {
2401         TRACE("numOutDev reached !\n");
2402         return MMSYSERR_BADDEVICEID;
2403     }
2404
2405     memcpy(lpCaps, &WInDev[wDevID].ossdev->in_caps, min(dwSize, sizeof(*lpCaps)));
2406     return MMSYSERR_NOERROR;
2407 }
2408
2409 /**************************************************************************
2410  *                              widRecorder_ReadHeaders         [internal]
2411  */
2412 static void widRecorder_ReadHeaders(WINE_WAVEIN * wwi)
2413 {
2414     enum win_wm_message tmp_msg;
2415     DWORD               tmp_param;
2416     HANDLE              tmp_ev;
2417     WAVEHDR*            lpWaveHdr;
2418
2419     while (OSS_RetrieveRingMessage(&wwi->msgRing, &tmp_msg, &tmp_param, &tmp_ev)) {
2420         if (tmp_msg == WINE_WM_HEADER) {
2421             LPWAVEHDR*  wh;
2422             lpWaveHdr = (LPWAVEHDR)tmp_param;
2423             lpWaveHdr->lpNext = 0;
2424
2425             if (wwi->lpQueuePtr == 0)
2426                 wwi->lpQueuePtr = lpWaveHdr;
2427             else {
2428                 for (wh = &(wwi->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
2429                 *wh = lpWaveHdr;
2430             }
2431         } else {
2432             ERR("should only have headers left\n");
2433         }
2434     }
2435 }
2436
2437 /**************************************************************************
2438  *                              widRecorder                     [internal]
2439  */
2440 static  DWORD   CALLBACK        widRecorder(LPVOID pmt)
2441 {
2442     WORD                uDevID = (DWORD)pmt;
2443     WINE_WAVEIN*        wwi = (WINE_WAVEIN*)&WInDev[uDevID];
2444     WAVEHDR*            lpWaveHdr;
2445     DWORD               dwSleepTime;
2446     DWORD               bytesRead;
2447     LPVOID              buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, wwi->dwFragmentSize);
2448     char               *pOffset = buffer;
2449     audio_buf_info      info;
2450     int                 xs;
2451     enum win_wm_message msg;
2452     DWORD               param;
2453     HANDLE              ev;
2454     int                 enable;
2455
2456     wwi->state = WINE_WS_STOPPED;
2457     wwi->dwTotalRecorded = 0;
2458     wwi->dwTotalRead = 0;
2459     wwi->lpQueuePtr = NULL;
2460
2461     SetEvent(wwi->hStartUpEvent);
2462
2463     /* disable input so capture will begin when triggered */
2464     wwi->ossdev->bInputEnabled = FALSE;
2465     enable = getEnables(wwi->ossdev);
2466     if (ioctl(wwi->ossdev->fd, SNDCTL_DSP_SETTRIGGER, &enable) < 0)
2467         ERR("ioctl(%s, SNDCTL_DSP_SETTRIGGER) failed (%s)\n", wwi->ossdev->dev_name, strerror(errno));
2468
2469     /* the soundblaster live needs a micro wake to get its recording started
2470      * (or GETISPACE will have 0 frags all the time)
2471      */
2472     read(wwi->ossdev->fd, &xs, 4);
2473
2474     /* make sleep time to be # of ms to output a fragment */
2475     dwSleepTime = (wwi->dwFragmentSize * 1000) / wwi->waveFormat.Format.nAvgBytesPerSec;
2476     TRACE("sleeptime=%ld ms\n", dwSleepTime);
2477
2478     for (;;) {
2479         /* wait for dwSleepTime or an event in thread's queue */
2480         /* FIXME: could improve wait time depending on queue state,
2481          * ie, number of queued fragments
2482          */
2483
2484         if (wwi->lpQueuePtr != NULL && wwi->state == WINE_WS_PLAYING)
2485         {
2486             lpWaveHdr = wwi->lpQueuePtr;
2487
2488             ioctl(wwi->ossdev->fd, SNDCTL_DSP_GETISPACE, &info);
2489             TRACE("info={frag=%d fsize=%d ftotal=%d bytes=%d}\n", info.fragments, info.fragsize, info.fragstotal, info.bytes);
2490
2491             /* read all the fragments accumulated so far */
2492             while ((info.fragments > 0) && (wwi->lpQueuePtr))
2493             {
2494                 info.fragments --;
2495
2496                 if (lpWaveHdr->dwBufferLength - lpWaveHdr->dwBytesRecorded >= wwi->dwFragmentSize)
2497                 {
2498                     /* directly read fragment in wavehdr */
2499                     bytesRead = read(wwi->ossdev->fd,
2500                                      lpWaveHdr->lpData + lpWaveHdr->dwBytesRecorded,
2501                                      wwi->dwFragmentSize);
2502
2503                     TRACE("bytesRead=%ld (direct)\n", bytesRead);
2504                     if (bytesRead != (DWORD) -1)
2505                     {
2506                         /* update number of bytes recorded in current buffer and by this device */
2507                         lpWaveHdr->dwBytesRecorded += bytesRead;
2508                         wwi->dwTotalRead           += bytesRead;
2509                         wwi->dwTotalRecorded = wwi->dwTotalRead;
2510
2511                         /* buffer is full. notify client */
2512                         if (lpWaveHdr->dwBytesRecorded == lpWaveHdr->dwBufferLength)
2513                         {
2514                             /* must copy the value of next waveHdr, because we have no idea of what
2515                              * will be done with the content of lpWaveHdr in callback
2516                              */
2517                             LPWAVEHDR   lpNext = lpWaveHdr->lpNext;
2518
2519                             lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
2520                             lpWaveHdr->dwFlags |=  WHDR_DONE;
2521
2522                             wwi->lpQueuePtr = lpNext;
2523                             widNotifyClient(wwi, WIM_DATA, (DWORD)lpWaveHdr, 0);
2524                             lpWaveHdr = lpNext;
2525                         }
2526                     } else {
2527                         TRACE("read(%s, %p, %ld) failed (%s)\n", wwi->ossdev->dev_name,
2528                             lpWaveHdr->lpData + lpWaveHdr->dwBytesRecorded,
2529                             wwi->dwFragmentSize, strerror(errno));
2530                     }
2531                 }
2532                 else
2533                 {
2534                     /* read the fragment in a local buffer */
2535                     bytesRead = read(wwi->ossdev->fd, buffer, wwi->dwFragmentSize);
2536                     pOffset = buffer;
2537
2538                     TRACE("bytesRead=%ld (local)\n", bytesRead);
2539
2540                     if (bytesRead == (DWORD) -1) {
2541                         TRACE("read(%s, %p, %ld) failed (%s)\n", wwi->ossdev->dev_name,
2542                             buffer, wwi->dwFragmentSize, strerror(errno));
2543                         continue;
2544                     }
2545
2546                     /* copy data in client buffers */
2547                     while (bytesRead != (DWORD) -1 && bytesRead > 0)
2548                     {
2549                         DWORD dwToCopy = min (bytesRead, lpWaveHdr->dwBufferLength - lpWaveHdr->dwBytesRecorded);
2550
2551                         memcpy(lpWaveHdr->lpData + lpWaveHdr->dwBytesRecorded,
2552                                pOffset,
2553                                dwToCopy);
2554
2555                         /* update number of bytes recorded in current buffer and by this device */
2556                         lpWaveHdr->dwBytesRecorded += dwToCopy;
2557                         wwi->dwTotalRead           += dwToCopy;
2558                         wwi->dwTotalRecorded = wwi->dwTotalRead;
2559                         bytesRead -= dwToCopy;
2560                         pOffset   += dwToCopy;
2561
2562                         /* client buffer is full. notify client */
2563                         if (lpWaveHdr->dwBytesRecorded == lpWaveHdr->dwBufferLength)
2564                         {
2565                             /* must copy the value of next waveHdr, because we have no idea of what
2566                              * will be done with the content of lpWaveHdr in callback
2567                              */
2568                             LPWAVEHDR   lpNext = lpWaveHdr->lpNext;
2569                             TRACE("lpNext=%p\n", lpNext);
2570
2571                             lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
2572                             lpWaveHdr->dwFlags |=  WHDR_DONE;
2573
2574                             wwi->lpQueuePtr = lpNext;
2575                             widNotifyClient(wwi, WIM_DATA, (DWORD)lpWaveHdr, 0);
2576
2577                             lpWaveHdr = lpNext;
2578                             if (!lpNext && bytesRead) {
2579                                 /* before we give up, check for more header messages */
2580                                 while (OSS_PeekRingMessage(&wwi->msgRing, &msg, &param, &ev))
2581                                 {
2582                                     if (msg == WINE_WM_HEADER) {
2583                                         LPWAVEHDR hdr;
2584                                         OSS_RetrieveRingMessage(&wwi->msgRing, &msg, &param, &ev);
2585                                         hdr = ((LPWAVEHDR)param);
2586                                         TRACE("msg = %s, hdr = %p, ev = %p\n", getCmdString(msg), hdr, ev);
2587                                         hdr->lpNext = 0;
2588                                         if (lpWaveHdr == 0) {
2589                                             /* new head of queue */
2590                                             wwi->lpQueuePtr = lpWaveHdr = hdr;
2591                                         } else {
2592                                             /* insert buffer at the end of queue */
2593                                             LPWAVEHDR*  wh;
2594                                             for (wh = &(wwi->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
2595                                             *wh = hdr;
2596                                         }
2597                                     } else
2598                                         break;
2599                                 }
2600
2601                                 if (lpWaveHdr == 0) {
2602                                     /* no more buffer to copy data to, but we did read more.
2603                                      * what hasn't been copied will be dropped
2604                                      */
2605                                     WARN("buffer under run! %lu bytes dropped.\n", bytesRead);
2606                                     wwi->lpQueuePtr = NULL;
2607                                     break;
2608                                 }
2609                             }
2610                         }
2611                     }
2612                 }
2613             }
2614         }
2615
2616         WAIT_OMR(&wwi->msgRing, dwSleepTime);
2617
2618         while (OSS_RetrieveRingMessage(&wwi->msgRing, &msg, &param, &ev))
2619         {
2620             TRACE("msg=%s param=0x%lx\n", getCmdString(msg), param);
2621             switch (msg) {
2622             case WINE_WM_PAUSING:
2623                 wwi->state = WINE_WS_PAUSED;
2624                 /*FIXME("Device should stop recording\n");*/
2625                 SetEvent(ev);
2626                 break;
2627             case WINE_WM_STARTING:
2628                 wwi->state = WINE_WS_PLAYING;
2629
2630                 if (wwi->ossdev->bTriggerSupport)
2631                 {
2632                     /* start the recording */
2633                     wwi->ossdev->bInputEnabled = TRUE;
2634                     enable = getEnables(wwi->ossdev);
2635                     if (ioctl(wwi->ossdev->fd, SNDCTL_DSP_SETTRIGGER, &enable) < 0) {
2636                         wwi->ossdev->bInputEnabled = FALSE;
2637                         ERR("ioctl(%s, SNDCTL_DSP_SETTRIGGER) failed (%s)\n", wwi->ossdev->dev_name, strerror(errno));
2638                     }
2639                 }
2640                 else
2641                 {
2642                     unsigned char data[4];
2643                     /* read 4 bytes to start the recording */
2644                     read(wwi->ossdev->fd, data, 4);
2645                 }
2646
2647                 SetEvent(ev);
2648                 break;
2649             case WINE_WM_HEADER:
2650                 lpWaveHdr = (LPWAVEHDR)param;
2651                 lpWaveHdr->lpNext = 0;
2652
2653                 /* insert buffer at the end of queue */
2654                 {
2655                     LPWAVEHDR*  wh;
2656                     for (wh = &(wwi->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
2657                     *wh = lpWaveHdr;
2658                 }
2659                 break;
2660             case WINE_WM_STOPPING:
2661                 if (wwi->state != WINE_WS_STOPPED)
2662                 {
2663                     if (wwi->ossdev->bTriggerSupport)
2664                     {
2665                         /* stop the recording */
2666                         wwi->ossdev->bInputEnabled = FALSE;
2667                         enable = getEnables(wwi->ossdev);
2668                         if (ioctl(wwi->ossdev->fd, SNDCTL_DSP_SETTRIGGER, &enable) < 0) {
2669                             wwi->ossdev->bInputEnabled = FALSE;
2670                             ERR("ioctl(%s, SNDCTL_DSP_SETTRIGGER) failed (%s)\n", wwi->ossdev->dev_name, strerror(errno));
2671                         }
2672                     }
2673
2674                     /* read any headers in queue */
2675                     widRecorder_ReadHeaders(wwi);
2676
2677                     /* return current buffer to app */
2678                     lpWaveHdr = wwi->lpQueuePtr;
2679                     if (lpWaveHdr)
2680                     {
2681                         LPWAVEHDR       lpNext = lpWaveHdr->lpNext;
2682                         TRACE("stop %p %p\n", lpWaveHdr, lpWaveHdr->lpNext);
2683                         lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
2684                         lpWaveHdr->dwFlags |= WHDR_DONE;
2685                         wwi->lpQueuePtr = lpNext;
2686                         widNotifyClient(wwi, WIM_DATA, (DWORD)lpWaveHdr, 0);
2687                     }
2688                 }
2689                 wwi->state = WINE_WS_STOPPED;
2690                 SetEvent(ev);
2691                 break;
2692             case WINE_WM_RESETTING:
2693                 if (wwi->state != WINE_WS_STOPPED)
2694                 {
2695                     if (wwi->ossdev->bTriggerSupport)
2696                     {
2697                         /* stop the recording */
2698                         wwi->ossdev->bInputEnabled = FALSE;
2699                         enable = getEnables(wwi->ossdev);
2700                         if (ioctl(wwi->ossdev->fd, SNDCTL_DSP_SETTRIGGER, &enable) < 0) {
2701                             wwi->ossdev->bInputEnabled = FALSE;
2702                             ERR("ioctl(%s, SNDCTL_DSP_SETTRIGGER) failed (%s)\n", wwi->ossdev->dev_name, strerror(errno));
2703                         }
2704                     }
2705                 }
2706                 wwi->state = WINE_WS_STOPPED;
2707                 wwi->dwTotalRecorded = 0;
2708                 wwi->dwTotalRead = 0;
2709
2710                 /* read any headers in queue */
2711                 widRecorder_ReadHeaders(wwi);
2712
2713                 /* return all buffers to the app */
2714                 for (lpWaveHdr = wwi->lpQueuePtr; lpWaveHdr; lpWaveHdr = lpWaveHdr->lpNext) {
2715                     TRACE("reset %p %p\n", lpWaveHdr, lpWaveHdr->lpNext);
2716                     lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
2717                     lpWaveHdr->dwFlags |= WHDR_DONE;
2718                     wwi->lpQueuePtr = lpWaveHdr->lpNext;
2719                     widNotifyClient(wwi, WIM_DATA, (DWORD)lpWaveHdr, 0);
2720                 }
2721
2722                 wwi->lpQueuePtr = NULL;
2723                 SetEvent(ev);
2724                 break;
2725             case WINE_WM_UPDATE:
2726                 if (wwi->state == WINE_WS_PLAYING) {
2727                     audio_buf_info tmp_info;
2728                     if (ioctl(wwi->ossdev->fd, SNDCTL_DSP_GETISPACE, &tmp_info) < 0)
2729                         ERR("ioctl(%s, SNDCTL_DSP_GETISPACE) failed (%s)\n", wwi->ossdev->dev_name, strerror(errno));
2730                     else
2731                         wwi->dwTotalRecorded = wwi->dwTotalRead + tmp_info.bytes;
2732                 }
2733                 SetEvent(ev);
2734                 break;
2735             case WINE_WM_CLOSING:
2736                 wwi->hThread = 0;
2737                 wwi->state = WINE_WS_CLOSED;
2738                 SetEvent(ev);
2739                 HeapFree(GetProcessHeap(), 0, buffer);
2740                 ExitThread(0);
2741                 /* shouldn't go here */
2742             default:
2743                 FIXME("unknown message %d\n", msg);
2744                 break;
2745             }
2746         }
2747     }
2748     ExitThread(0);
2749     /* just for not generating compilation warnings... should never be executed */
2750     return 0;
2751 }
2752
2753
2754 /**************************************************************************
2755  *                              widOpen                         [internal]
2756  */
2757 DWORD widOpen(WORD wDevID, LPWAVEOPENDESC lpDesc, DWORD dwFlags)
2758 {
2759     WINE_WAVEIN*        wwi;
2760     audio_buf_info      info;
2761     int                 audio_fragment;
2762     DWORD               ret;
2763
2764     TRACE("(%u, %p, %08lX);\n", wDevID, lpDesc, dwFlags);
2765     if (lpDesc == NULL) {
2766         WARN("Invalid Parameter !\n");
2767         return MMSYSERR_INVALPARAM;
2768     }
2769     if (wDevID >= numInDev) {
2770         WARN("bad device id: %d >= %d\n", wDevID, numInDev);
2771         return MMSYSERR_BADDEVICEID;
2772     }
2773
2774     /* only PCM format is supported so far... */
2775     if (!supportedFormat(lpDesc->lpFormat)) {
2776         WARN("Bad format: tag=%04X nChannels=%d nSamplesPerSec=%ld !\n",
2777              lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
2778              lpDesc->lpFormat->nSamplesPerSec);
2779         return WAVERR_BADFORMAT;
2780     }
2781
2782     if (dwFlags & WAVE_FORMAT_QUERY) {
2783         TRACE("Query format: tag=%04X nChannels=%d nSamplesPerSec=%ld !\n",
2784              lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
2785              lpDesc->lpFormat->nSamplesPerSec);
2786         return MMSYSERR_NOERROR;
2787     }
2788
2789     TRACE("OSS_OpenDevice requested this format: %ldx%dx%d %s\n",
2790           lpDesc->lpFormat->nSamplesPerSec,
2791           lpDesc->lpFormat->wBitsPerSample,
2792           lpDesc->lpFormat->nChannels,
2793           lpDesc->lpFormat->wFormatTag == WAVE_FORMAT_PCM ? "WAVE_FORMAT_PCM" :
2794           lpDesc->lpFormat->wFormatTag == WAVE_FORMAT_EXTENSIBLE ? "WAVE_FORMAT_EXTENSIBLE" :
2795           "UNSUPPORTED");
2796
2797     wwi = &WInDev[wDevID];
2798
2799     if (wwi->state != WINE_WS_CLOSED) return MMSYSERR_ALLOCATED;
2800
2801     if ((dwFlags & WAVE_DIRECTSOUND) &&
2802         !(wwi->ossdev->in_caps_support & WAVECAPS_DIRECTSOUND))
2803         /* not supported, ignore it */
2804         dwFlags &= ~WAVE_DIRECTSOUND;
2805
2806     if (dwFlags & WAVE_DIRECTSOUND) {
2807         TRACE("has DirectSoundCapture driver\n");
2808         if (wwi->ossdev->in_caps_support & WAVECAPS_SAMPLEACCURATE)
2809             /* we have realtime DirectSound, fragments just waste our time,
2810              * but a large buffer is good, so choose 64KB (32 * 2^11) */
2811             audio_fragment = 0x0020000B;
2812         else
2813             /* to approximate realtime, we must use small fragments,
2814              * let's try to fragment the above 64KB (256 * 2^8) */
2815             audio_fragment = 0x01000008;
2816     } else {
2817         TRACE("doesn't have DirectSoundCapture driver\n");
2818         if (wwi->ossdev->open_count > 0) {
2819             TRACE("Using output device audio_fragment\n");
2820             /* FIXME: This may not be optimal for capture but it allows us
2821              * to do hardware playback without hardware capture. */
2822             audio_fragment = wwi->ossdev->audio_fragment;
2823         } else {
2824             /* A wave device must have a worst case latency of 10 ms so calculate
2825              * the largest fragment size less than 10 ms long.
2826              */
2827             int fsize = lpDesc->lpFormat->nAvgBytesPerSec / 100;        /* 10 ms chunk */
2828             int shift = 0;
2829             while ((1 << shift) <= fsize)
2830                 shift++;
2831             shift--;
2832             audio_fragment = 0x00100000 + shift;        /* 16 fragments of 2^shift */
2833         }
2834     }
2835
2836     TRACE("requesting %d %d byte fragments (%ld ms)\n", audio_fragment >> 16,
2837         1 << (audio_fragment & 0xffff),
2838         ((1 << (audio_fragment & 0xffff)) * 1000) / lpDesc->lpFormat->nAvgBytesPerSec);
2839
2840     ret = OSS_OpenDevice(wwi->ossdev, O_RDONLY, &audio_fragment,
2841                          1,
2842                          lpDesc->lpFormat->nSamplesPerSec,
2843                          lpDesc->lpFormat->nChannels,
2844                          (lpDesc->lpFormat->wBitsPerSample == 16)
2845                          ? AFMT_S16_LE : AFMT_U8);
2846     if (ret != 0) return ret;
2847     wwi->state = WINE_WS_STOPPED;
2848
2849     if (wwi->lpQueuePtr) {
2850         WARN("Should have an empty queue (%p)\n", wwi->lpQueuePtr);
2851         wwi->lpQueuePtr = NULL;
2852     }
2853     wwi->dwTotalRecorded = 0;
2854     wwi->dwTotalRead = 0;
2855     wwi->wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
2856
2857     memcpy(&wwi->waveDesc, lpDesc, sizeof(WAVEOPENDESC));
2858     copy_format(lpDesc->lpFormat, &wwi->waveFormat);
2859
2860     if (wwi->waveFormat.Format.wBitsPerSample == 0) {
2861         WARN("Resetting zeroed wBitsPerSample\n");
2862         wwi->waveFormat.Format.wBitsPerSample = 8 *
2863             (wwi->waveFormat.Format.nAvgBytesPerSec /
2864              wwi->waveFormat.Format.nSamplesPerSec) /
2865             wwi->waveFormat.Format.nChannels;
2866     }
2867
2868     if (ioctl(wwi->ossdev->fd, SNDCTL_DSP_GETISPACE, &info) < 0) {
2869         ERR("ioctl(%s, SNDCTL_DSP_GETISPACE) failed (%s)\n",
2870             wwi->ossdev->dev_name, strerror(errno));
2871         OSS_CloseDevice(wwi->ossdev);
2872         wwi->state = WINE_WS_CLOSED;
2873         return MMSYSERR_NOTENABLED;
2874     }
2875
2876     TRACE("got %d %d byte fragments (%d ms/fragment)\n", info.fragstotal,
2877         info.fragsize, (info.fragsize * 1000) / (wwi->ossdev->sample_rate *
2878         wwi->ossdev->channels * (wwi->ossdev->format == AFMT_U8 ? 1 : 2)));
2879
2880     wwi->dwFragmentSize = info.fragsize;
2881
2882     TRACE("dwFragmentSize=%lu\n", wwi->dwFragmentSize);
2883     TRACE("wBitsPerSample=%u, nAvgBytesPerSec=%lu, nSamplesPerSec=%lu, nChannels=%u nBlockAlign=%u!\n",
2884           wwi->waveFormat.Format.wBitsPerSample, wwi->waveFormat.Format.nAvgBytesPerSec,
2885           wwi->waveFormat.Format.nSamplesPerSec, wwi->waveFormat.Format.nChannels,
2886           wwi->waveFormat.Format.nBlockAlign);
2887
2888     OSS_InitRingMessage(&wwi->msgRing);
2889
2890     wwi->hStartUpEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
2891     wwi->hThread = CreateThread(NULL, 0, widRecorder, (LPVOID)(DWORD)wDevID, 0, &(wwi->dwThreadID));
2892     if (wwi->hThread)
2893         SetThreadPriority(wwi->hThread, THREAD_PRIORITY_TIME_CRITICAL);
2894     WaitForSingleObject(wwi->hStartUpEvent, INFINITE);
2895     CloseHandle(wwi->hStartUpEvent);
2896     wwi->hStartUpEvent = INVALID_HANDLE_VALUE;
2897
2898     return widNotifyClient(wwi, WIM_OPEN, 0L, 0L);
2899 }
2900
2901 /**************************************************************************
2902  *                              widClose                        [internal]
2903  */
2904 static DWORD widClose(WORD wDevID)
2905 {
2906     WINE_WAVEIN*        wwi;
2907
2908     TRACE("(%u);\n", wDevID);
2909     if (wDevID >= numInDev || WInDev[wDevID].state == WINE_WS_CLOSED) {
2910         WARN("can't close !\n");
2911         return MMSYSERR_INVALHANDLE;
2912     }
2913
2914     wwi = &WInDev[wDevID];
2915
2916     if (wwi->lpQueuePtr != NULL) {
2917         WARN("still buffers open !\n");
2918         return WAVERR_STILLPLAYING;
2919     }
2920
2921     OSS_AddRingMessage(&wwi->msgRing, WINE_WM_CLOSING, 0, TRUE);
2922     OSS_CloseDevice(wwi->ossdev);
2923     wwi->state = WINE_WS_CLOSED;
2924     wwi->dwFragmentSize = 0;
2925     OSS_DestroyRingMessage(&wwi->msgRing);
2926     return widNotifyClient(wwi, WIM_CLOSE, 0L, 0L);
2927 }
2928
2929 /**************************************************************************
2930  *                              widAddBuffer            [internal]
2931  */
2932 static DWORD widAddBuffer(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
2933 {
2934     TRACE("(%u, %p, %08lX);\n", wDevID, lpWaveHdr, dwSize);
2935
2936     if (wDevID >= numInDev || WInDev[wDevID].state == WINE_WS_CLOSED) {
2937         WARN("can't do it !\n");
2938         return MMSYSERR_INVALHANDLE;
2939     }
2940     if (!(lpWaveHdr->dwFlags & WHDR_PREPARED)) {
2941         TRACE("never been prepared !\n");
2942         return WAVERR_UNPREPARED;
2943     }
2944     if (lpWaveHdr->dwFlags & WHDR_INQUEUE) {
2945         TRACE("header already in use !\n");
2946         return WAVERR_STILLPLAYING;
2947     }
2948
2949     lpWaveHdr->dwFlags |= WHDR_INQUEUE;
2950     lpWaveHdr->dwFlags &= ~WHDR_DONE;
2951     lpWaveHdr->dwBytesRecorded = 0;
2952     lpWaveHdr->lpNext = NULL;
2953
2954     OSS_AddRingMessage(&WInDev[wDevID].msgRing, WINE_WM_HEADER, (DWORD)lpWaveHdr, FALSE);
2955     return MMSYSERR_NOERROR;
2956 }
2957
2958 /**************************************************************************
2959  *                      widStart                                [internal]
2960  */
2961 static DWORD widStart(WORD wDevID)
2962 {
2963     TRACE("(%u);\n", wDevID);
2964     if (wDevID >= numInDev || WInDev[wDevID].state == WINE_WS_CLOSED) {
2965         WARN("can't start recording !\n");
2966         return MMSYSERR_INVALHANDLE;
2967     }
2968
2969     OSS_AddRingMessage(&WInDev[wDevID].msgRing, WINE_WM_STARTING, 0, TRUE);
2970     return MMSYSERR_NOERROR;
2971 }
2972
2973 /**************************************************************************
2974  *                      widStop                                 [internal]
2975  */
2976 static DWORD widStop(WORD wDevID)
2977 {
2978     TRACE("(%u);\n", wDevID);
2979     if (wDevID >= numInDev || WInDev[wDevID].state == WINE_WS_CLOSED) {
2980         WARN("can't stop !\n");
2981         return MMSYSERR_INVALHANDLE;
2982     }
2983
2984     OSS_AddRingMessage(&WInDev[wDevID].msgRing, WINE_WM_STOPPING, 0, TRUE);
2985
2986     return MMSYSERR_NOERROR;
2987 }
2988
2989 /**************************************************************************
2990  *                      widReset                                [internal]
2991  */
2992 static DWORD widReset(WORD wDevID)
2993 {
2994     TRACE("(%u);\n", wDevID);
2995     if (wDevID >= numInDev || WInDev[wDevID].state == WINE_WS_CLOSED) {
2996         WARN("can't reset !\n");
2997         return MMSYSERR_INVALHANDLE;
2998     }
2999     OSS_AddRingMessage(&WInDev[wDevID].msgRing, WINE_WM_RESETTING, 0, TRUE);
3000     return MMSYSERR_NOERROR;
3001 }
3002
3003 /**************************************************************************
3004  *                              widGetPosition                  [internal]
3005  */
3006 static DWORD widGetPosition(WORD wDevID, LPMMTIME lpTime, DWORD uSize)
3007 {
3008     WINE_WAVEIN*        wwi;
3009
3010     TRACE("(%u, %p, %lu);\n", wDevID, lpTime, uSize);
3011
3012     if (wDevID >= numInDev || WInDev[wDevID].state == WINE_WS_CLOSED) {
3013         WARN("can't get pos !\n");
3014         return MMSYSERR_INVALHANDLE;
3015     }
3016
3017     if (lpTime == NULL) {
3018         WARN("invalid parameter: lpTime == NULL\n");
3019         return MMSYSERR_INVALPARAM;
3020     }
3021
3022     wwi = &WInDev[wDevID];
3023 #ifdef EXACT_WIDPOSITION
3024     if (wwi->ossdev->in_caps_support & WAVECAPS_SAMPLEACCURATE)
3025         OSS_AddRingMessage(&(wwi->msgRing), WINE_WM_UPDATE, 0, TRUE);
3026 #endif
3027
3028     return bytes_to_mmtime(lpTime, wwi->dwTotalRecorded, &wwi->waveFormat);
3029 }
3030
3031 /**************************************************************************
3032  *                              widMessage (WINEOSS.6)
3033  */
3034 DWORD WINAPI OSS_widMessage(WORD wDevID, WORD wMsg, DWORD dwUser,
3035                             DWORD dwParam1, DWORD dwParam2)
3036 {
3037     TRACE("(%u, %s, %08lX, %08lX, %08lX);\n",
3038           wDevID, getMessage(wMsg), dwUser, dwParam1, dwParam2);
3039
3040     switch (wMsg) {
3041     case DRVM_INIT:
3042     case DRVM_EXIT:
3043     case DRVM_ENABLE:
3044     case DRVM_DISABLE:
3045         /* FIXME: Pretend this is supported */
3046         return 0;
3047     case WIDM_OPEN:             return widOpen       (wDevID, (LPWAVEOPENDESC)dwParam1, dwParam2);
3048     case WIDM_CLOSE:            return widClose      (wDevID);
3049     case WIDM_ADDBUFFER:        return widAddBuffer  (wDevID, (LPWAVEHDR)dwParam1, dwParam2);
3050     case WIDM_PREPARE:          return MMSYSERR_NOTSUPPORTED;
3051     case WIDM_UNPREPARE:        return MMSYSERR_NOTSUPPORTED;
3052     case WIDM_GETDEVCAPS:       return widGetDevCaps (wDevID, (LPWAVEINCAPSW)dwParam1, dwParam2);
3053     case WIDM_GETNUMDEVS:       return numInDev;
3054     case WIDM_GETPOS:           return widGetPosition(wDevID, (LPMMTIME)dwParam1, dwParam2);
3055     case WIDM_RESET:            return widReset      (wDevID);
3056     case WIDM_START:            return widStart      (wDevID);
3057     case WIDM_STOP:             return widStop       (wDevID);
3058     case DRV_QUERYDEVICEINTERFACESIZE: return widDevInterfaceSize      (wDevID, (LPDWORD)dwParam1);
3059     case DRV_QUERYDEVICEINTERFACE:     return widDevInterface          (wDevID, (PWCHAR)dwParam1, dwParam2);
3060     case DRV_QUERYDSOUNDIFACE:  return widDsCreate   (wDevID, (PIDSCDRIVER*)dwParam1);
3061     case DRV_QUERYDSOUNDDESC:   return widDsDesc     (wDevID, (PDSDRIVERDESC)dwParam1);
3062     default:
3063         FIXME("unknown message %u!\n", wMsg);
3064     }
3065     return MMSYSERR_NOTSUPPORTED;
3066 }
3067
3068 #else /* !HAVE_OSS */
3069
3070 /**************************************************************************
3071  *                              wodMessage (WINEOSS.7)
3072  */
3073 DWORD WINAPI OSS_wodMessage(WORD wDevID, WORD wMsg, DWORD dwUser,
3074                             DWORD dwParam1, DWORD dwParam2)
3075 {
3076     FIXME("(%u, %04X, %08lX, %08lX, %08lX):stub\n", wDevID, wMsg, dwUser, dwParam1, dwParam2);
3077     return MMSYSERR_NOTENABLED;
3078 }
3079
3080 /**************************************************************************
3081  *                              widMessage (WINEOSS.6)
3082  */
3083 DWORD WINAPI OSS_widMessage(WORD wDevID, WORD wMsg, DWORD dwUser,
3084                             DWORD dwParam1, DWORD dwParam2)
3085 {
3086     FIXME("(%u, %04X, %08lX, %08lX, %08lX):stub\n", wDevID, wMsg, dwUser, dwParam1, dwParam2);
3087     return MMSYSERR_NOTENABLED;
3088 }
3089
3090 #endif /* HAVE_OSS */