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!=0 || arg!=c) {
 792                 TRACE("DSP_CHANNELS: rc=%d returned %d for %d\n",rc,arg,c);
 793                 continue;
 794             }
 795             if (c == 1) {
 796                 ossdev->ds_caps.dwFlags |= DSCAPS_PRIMARYMONO;
 797             } else if (c == 2) {
 798                 ossdev->out_caps.wChannels = 2;
 799                 ossdev->out_caps.dwSupport|=WAVECAPS_LRVOLUME;
 800                 ossdev->ds_caps.dwFlags |= DSCAPS_PRIMARYSTEREO;
 801             } else
 802                 ossdev->out_caps.wChannels = c;
 803
 804             for (r=0;r<sizeof(win_std_rates)/sizeof(*win_std_rates);r++) {
 805                 arg=win_std_rates[r];
 806                 rc=ioctl(ossdev->fd, SNDCTL_DSP_SPEED, &arg);
 807                 TRACE("DSP_SPEED: rc=%d returned %d for %dx%dx%d\n",
 808                       rc,arg,win_std_rates[r],win_std_oss_fmts[f],c);
 809                 if (rc==0 && arg!=0 && NEAR_MATCH(arg,win_std_rates[r]) && c < 3)
 810                     ossdev->out_caps.dwFormats|=win_std_formats[f][c-1][r];
 811             }
 812         }
 813     }
 814
 815     if (ioctl(ossdev->fd, SNDCTL_DSP_GETCAPS, &arg) == 0) {
 816         if (arg & DSP_CAP_TRIGGER)
 817             ossdev->bTriggerSupport = TRUE;
 818         if ((arg & DSP_CAP_REALTIME) && !(arg & DSP_CAP_BATCH)) {
 819             ossdev->out_caps.dwSupport |= WAVECAPS_SAMPLEACCURATE;
 820         }
 821         /* well, might as well use the DirectSound cap flag for something */
 822         if ((arg & DSP_CAP_TRIGGER) && (arg & DSP_CAP_MMAP) &&
 823             !(arg & DSP_CAP_BATCH)) {
 824             ossdev->out_caps.dwSupport |= WAVECAPS_DIRECTSOUND;
 825         } else {
 826             ossdev->ds_caps.dwFlags |= DSCAPS_EMULDRIVER;
 827         }
 828 #ifdef DSP_CAP_MULTI    /* not every oss has this */
 829         /* check for hardware secondary buffer support (multi open) */
 830         if ((arg & DSP_CAP_MULTI) &&
 831             (ossdev->out_caps.dwSupport & WAVECAPS_DIRECTSOUND)) {
 832             TRACE("hardware secondary buffer support available\n");
 833             if (ossdev->ds_caps.dwFlags & DSCAPS_PRIMARY8BIT)
 834                 ossdev->ds_caps.dwFlags |= DSCAPS_SECONDARY8BIT;
 835             if (ossdev->ds_caps.dwFlags & DSCAPS_PRIMARY16BIT)
 836                 ossdev->ds_caps.dwFlags |= DSCAPS_SECONDARY16BIT;
 837             if (ossdev->ds_caps.dwFlags & DSCAPS_PRIMARYMONO)
 838                 ossdev->ds_caps.dwFlags |= DSCAPS_SECONDARYMONO;
 839             if (ossdev->ds_caps.dwFlags & DSCAPS_PRIMARYSTEREO)
 840                 ossdev->ds_caps.dwFlags |= DSCAPS_SECONDARYSTEREO;
 841
 842             ossdev->ds_caps.dwMaxHwMixingAllBuffers = 16;
 843             ossdev->ds_caps.dwMaxHwMixingStaticBuffers = 0;
 844             ossdev->ds_caps.dwMaxHwMixingStreamingBuffers = 16;
 845
 846             ossdev->ds_caps.dwFreeHwMixingAllBuffers = 16;
 847             ossdev->ds_caps.dwFreeHwMixingStaticBuffers = 0;
 848             ossdev->ds_caps.dwFreeHwMixingStreamingBuffers = 16;
 849         }
 850 #endif
 851     }
 852     OSS_CloseDevice(ossdev);
 853     TRACE("out wChannels = %d, dwFormats = %08lX, dwSupport = %08lX\n",
 854           ossdev->out_caps.wChannels, ossdev->out_caps.dwFormats,
 855           ossdev->out_caps.dwSupport);
 856     return TRUE;
 857 }
 858
 859 /******************************************************************
 860  *              OSS_WaveInInit
 861  *
 862  *
 863  */
 864 static BOOL OSS_WaveInInit(OSS_DEVICE* ossdev)
 865 {
 866     int rc,arg;
 867     int f,c,r;
 868     TRACE("(%p) %s\n", ossdev, ossdev->dev_name);
 869
 870     if (OSS_OpenDevice(ossdev, O_RDONLY, NULL, 0,-1,-1,-1) != 0)
 871         return FALSE;
 872
 873     ioctl(ossdev->fd, SNDCTL_DSP_RESET, 0);
 874
 875 #ifdef SOUND_MIXER_INFO
 876     {
 877         int mixer;
 878         if ((mixer = open(ossdev->mixer_name, O_RDONLY|O_NDELAY)) >= 0) {
 879             mixer_info info;
 880             if (ioctl(mixer, SOUND_MIXER_INFO, &info) >= 0) {
 881                 MultiByteToWideChar(CP_ACP, 0, info.name, -1,
 882                                     ossdev->in_caps.szPname,
 883                                     sizeof(ossdev->in_caps.szPname) / sizeof(WCHAR));
 884                 TRACE("%s: %s\n", ossdev->mixer_name, ossdev->ds_desc.szDesc);
 885             } else {
 886                 /* FreeBSD up to at least 5.2 provides this ioctl, but does not
 887                  * implement it properly, and there are probably similar issues
 888                  * on other platforms, so we warn but try to go ahead.
 889                  */
 890                 WARN("%s: cannot read SOUND_MIXER_INFO!\n", ossdev->mixer_name);
 891             }
 892             close(mixer);
 893         } else {
 894             ERR("open(%s) failed (%s)\n", ossdev->mixer_name, strerror(errno));
 895             OSS_CloseDevice(ossdev);
 896             return FALSE;
 897         }
 898     }
 899 #endif /* SOUND_MIXER_INFO */
 900
 901     if (WINE_TRACE_ON(wave))
 902         OSS_Info(ossdev->fd);
 903
 904     ossdev->in_caps.wMid = 0x00FF; /* Manufac ID */
 905     ossdev->in_caps.wPid = 0x0001; /* Product ID */
 906
 907     ossdev->in_caps.dwFormats = 0x00000000;
 908     ossdev->in_caps.wChannels = 1;
 909     ossdev->in_caps.wReserved1 = 0;
 910
 911     /* direct sound caps */
 912     ossdev->dsc_caps.dwSize = sizeof(ossdev->dsc_caps);
 913     ossdev->dsc_caps.dwFlags = 0;
 914     ossdev->dsc_caps.dwFormats = 0x00000000;
 915     ossdev->dsc_caps.dwChannels = 1;
 916
 917     /* See the comment in OSS_WaveOutInit for the loop order */
 918     for (f=0;f<2;f++) {
 919         arg=win_std_oss_fmts[f];
 920         rc=ioctl(ossdev->fd, SNDCTL_DSP_SAMPLESIZE, &arg);
 921         if (rc!=0 || arg!=win_std_oss_fmts[f]) {
 922             TRACE("DSP_SAMPLESIZE: rc=%d returned 0x%x for 0x%x\n",
 923                   rc,arg,win_std_oss_fmts[f]);
 924             continue;
 925         }
 926
 927         for (c = 1; c <= MAX_CHANNELS; c++) {
 928             arg=c;
 929             rc=ioctl(ossdev->fd, SNDCTL_DSP_CHANNELS, &arg);
 930             if (rc!=0 || arg!=c) {
 931                 TRACE("DSP_CHANNELS: rc=%d returned %d for %d\n",rc,arg,c);
 932                 continue;
 933             }
 934             if (c > 1) {
 935                 ossdev->in_caps.wChannels = c;
 936                 ossdev->dsc_caps.dwChannels = c;
 937             }
 938
 939             for (r=0;r<sizeof(win_std_rates)/sizeof(*win_std_rates);r++) {
 940                 arg=win_std_rates[r];
 941                 rc=ioctl(ossdev->fd, SNDCTL_DSP_SPEED, &arg);
 942                 TRACE("DSP_SPEED: rc=%d returned %d for %dx%dx%d\n",rc,arg,win_std_rates[r],win_std_oss_fmts[f],c);
 943                 if (rc==0 && NEAR_MATCH(arg,win_std_rates[r]) && c < 3)
 944                     ossdev->in_caps.dwFormats|=win_std_formats[f][c-1][r];
 945                     ossdev->dsc_caps.dwFormats|=win_std_formats[f][c-1][r];
 946             }
 947         }
 948     }
 949
 950     if (ioctl(ossdev->fd, SNDCTL_DSP_GETCAPS, &arg) == 0) {
 951         if (arg & DSP_CAP_TRIGGER)
 952             ossdev->bTriggerSupport = TRUE;
 953         if ((arg & DSP_CAP_TRIGGER) && (arg & DSP_CAP_MMAP) &&
 954             !(arg & DSP_CAP_BATCH)) {
 955             /* FIXME: enable the next statement if you want to work on the driver */
 956 #if 0
 957             ossdev->in_caps_support |= WAVECAPS_DIRECTSOUND;
 958 #endif
 959         }
 960         if ((arg & DSP_CAP_REALTIME) && !(arg & DSP_CAP_BATCH))
 961             ossdev->in_caps_support |= WAVECAPS_SAMPLEACCURATE;
 962     }
 963     OSS_CloseDevice(ossdev);
 964     TRACE("in wChannels = %d, dwFormats = %08lX, in_caps_support = %08lX\n",
 965         ossdev->in_caps.wChannels, ossdev->in_caps.dwFormats, ossdev->in_caps_support);
 966     return TRUE;
 967 }
 968
 969 /******************************************************************
 970  *              OSS_WaveFullDuplexInit
 971  *
 972  *
 973  */
 974 static void OSS_WaveFullDuplexInit(OSS_DEVICE* ossdev)
 975 {
 976     int rc,arg;
 977     int f,c,r;
 978     int caps;
 979     TRACE("(%p) %s\n", ossdev, ossdev->dev_name);
 980
 981     /* The OSS documentation says we must call SNDCTL_SETDUPLEX
 982      * *before* checking for SNDCTL_DSP_GETCAPS otherwise we may
 983      * get the wrong result. This ioctl must even be done before
 984      * setting the fragment size so that only OSS_RawOpenDevice is
 985      * in a position to do it. So we set full_duplex speculatively
 986      * and adjust right after.
 987      */
 988     ossdev->full_duplex=1;
 989     rc=OSS_OpenDevice(ossdev, O_RDWR, NULL, 0,-1,-1,-1);
 990     ossdev->full_duplex=0;
 991     if (rc != 0)
 992         return;
 993
 994     ioctl(ossdev->fd, SNDCTL_DSP_RESET, 0);
 995     TRACE("%s\n", ossdev->ds_desc.szDesc);
 996
 997     if (ioctl(ossdev->fd, SNDCTL_DSP_GETCAPS, &caps) == 0)
 998         ossdev->full_duplex = (caps & DSP_CAP_DUPLEX);
 999
1000     ossdev->duplex_out_caps = ossdev->out_caps;
1001
1002     ossdev->duplex_out_caps.wChannels = 1;
1003     ossdev->duplex_out_caps.dwFormats = 0x00000000;
1004     ossdev->duplex_out_caps.dwSupport = WAVECAPS_VOLUME;
1005
1006     if (WINE_TRACE_ON(wave))
1007         OSS_Info(ossdev->fd);
1008
1009     /* See the comment in OSS_WaveOutInit for the loop order */
1010     for (f=0;f<2;f++) {
1011         arg=win_std_oss_fmts[f];
1012         rc=ioctl(ossdev->fd, SNDCTL_DSP_SAMPLESIZE, &arg);
1013         if (rc!=0 || arg!=win_std_oss_fmts[f]) {
1014             TRACE("DSP_SAMPLESIZE: rc=%d returned 0x%x for 0x%x\n",
1015                   rc,arg,win_std_oss_fmts[f]);
1016             continue;
1017         }
1018
1019         for (c = 1; c <= MAX_CHANNELS; c++) {
1020             arg=c;
1021             rc=ioctl(ossdev->fd, SNDCTL_DSP_CHANNELS, &arg);
1022             if (rc!=0 || arg!=c) {
1023                 TRACE("DSP_CHANNELS: rc=%d returned %d for %d\n",rc,arg,c);
1024                 continue;
1025             }
1026             if (c == 1) {
1027                 ossdev->ds_caps.dwFlags |= DSCAPS_PRIMARYMONO;
1028             } else if (c == 2) {
1029                 ossdev->duplex_out_caps.wChannels = 2;
1030                 ossdev->duplex_out_caps.dwSupport|=WAVECAPS_LRVOLUME;
1031                 ossdev->ds_caps.dwFlags |= DSCAPS_PRIMARYSTEREO;
1032             } else
1033                 ossdev->duplex_out_caps.wChannels = c;
1034
1035             for (r=0;r<sizeof(win_std_rates)/sizeof(*win_std_rates);r++) {
1036                 arg=win_std_rates[r];
1037                 rc=ioctl(ossdev->fd, SNDCTL_DSP_SPEED, &arg);
1038                 TRACE("DSP_SPEED: rc=%d returned %d for %dx%dx%d\n",
1039                       rc,arg,win_std_rates[r],win_std_oss_fmts[f],c);
1040                 if (rc==0 && arg!=0 && NEAR_MATCH(arg,win_std_rates[r]) && c < 3)
1041                     ossdev->duplex_out_caps.dwFormats|=win_std_formats[f][c-1][r];
1042             }
1043         }
1044     }
1045
1046     if (ioctl(ossdev->fd, SNDCTL_DSP_GETCAPS, &arg) == 0) {
1047         if ((arg & DSP_CAP_REALTIME) && !(arg & DSP_CAP_BATCH)) {
1048             ossdev->duplex_out_caps.dwSupport |= WAVECAPS_SAMPLEACCURATE;
1049         }
1050         /* well, might as well use the DirectSound cap flag for something */
1051         if ((arg & DSP_CAP_TRIGGER) && (arg & DSP_CAP_MMAP) &&
1052             !(arg & DSP_CAP_BATCH)) {
1053             ossdev->duplex_out_caps.dwSupport |= WAVECAPS_DIRECTSOUND;
1054         }
1055     }
1056     OSS_CloseDevice(ossdev);
1057     TRACE("duplex wChannels = %d, dwFormats = %08lX, dwSupport = %08lX\n",
1058           ossdev->duplex_out_caps.wChannels,
1059           ossdev->duplex_out_caps.dwFormats,
1060           ossdev->duplex_out_caps.dwSupport);
1061 }
1062
1063 static char* StrDup(const char* str, const char* def)
1064 {
1065     char* dst;
1066     if (str==NULL)
1067         str=def;
1068     dst=HeapAlloc(GetProcessHeap(),0,strlen(str)+1);
1069     strcpy(dst, str);
1070     return dst;
1071 }
1072
1073 /******************************************************************
1074  *              OSS_WaveInit
1075  *
1076  * Initialize internal structures from OSS information
1077  */
1078 LONG OSS_WaveInit(void)
1079 {
1080     char* str;
1081     int i;
1082
1083     TRACE("()\n");
1084
1085     str=getenv("AUDIODEV");
1086     if (str!=NULL)
1087     {
1088         OSS_Devices[0].dev_name=StrDup(str,"");
1089         OSS_Devices[0].mixer_name=StrDup(getenv("MIXERDEV"),"/dev/mixer");
1090         for (i = 1; i < MAX_WAVEDRV; ++i)
1091         {
1092             OSS_Devices[i].dev_name=StrDup("",NULL);
1093             OSS_Devices[i].mixer_name=StrDup("",NULL);
1094         }
1095     }
1096     else
1097     {
1098         OSS_Devices[0].dev_name=StrDup("/dev/dsp",NULL);
1099         OSS_Devices[0].mixer_name=StrDup("/dev/mixer",NULL);
1100         for (i = 1; i < MAX_WAVEDRV; ++i)
1101         {
1102             OSS_Devices[i].dev_name=HeapAlloc(GetProcessHeap(),0,11);
1103             sprintf(OSS_Devices[i].dev_name, "/dev/dsp%d", i);
1104             OSS_Devices[i].mixer_name=HeapAlloc(GetProcessHeap(),0,13);
1105             sprintf(OSS_Devices[i].mixer_name, "/dev/mixer%d", i);
1106         }
1107     }
1108
1109     for (i = 0; i < MAX_WAVEDRV; ++i)
1110     {
1111         OSS_Devices[i].interface_name=HeapAlloc(GetProcessHeap(),0,9+strlen(OSS_Devices[i].dev_name)+1);
1112         sprintf(OSS_Devices[i].interface_name, "wineoss: %s", OSS_Devices[i].dev_name);
1113     }
1114
1115     /* start with output devices */
1116     for (i = 0; i < MAX_WAVEDRV; ++i)
1117     {
1118         if (*OSS_Devices[i].dev_name=='\0' || OSS_WaveOutInit(&OSS_Devices[i]))
1119         {
1120             WOutDev[numOutDev].state = WINE_WS_CLOSED;
1121             WOutDev[numOutDev].ossdev = &OSS_Devices[i];
1122             WOutDev[numOutDev].volume = 0xffffffff;
1123             numOutDev++;
1124         }
1125     }
1126
1127     /* then do input devices */
1128     for (i = 0; i < MAX_WAVEDRV; ++i)
1129     {
1130         if (*OSS_Devices[i].dev_name=='\0' || OSS_WaveInInit(&OSS_Devices[i]))
1131         {
1132             WInDev[numInDev].state = WINE_WS_CLOSED;
1133             WInDev[numInDev].ossdev = &OSS_Devices[i];
1134             numInDev++;
1135         }
1136     }
1137
1138     /* finish with the full duplex bits */
1139     for (i = 0; i < MAX_WAVEDRV; i++)
1140         if (*OSS_Devices[i].dev_name!='\0')
1141             OSS_WaveFullDuplexInit(&OSS_Devices[i]);
1142
1143     TRACE("%d wave out devices\n", numOutDev);
1144     for (i = 0; i < numOutDev; i++) {
1145         TRACE("%d: %s, %s, %s\n", i, WOutDev[i].ossdev->dev_name,
1146               WOutDev[i].ossdev->mixer_name, WOutDev[i].ossdev->interface_name);
1147     }
1148
1149     TRACE("%d wave in devices\n", numInDev);
1150     for (i = 0; i < numInDev; i++) {
1151         TRACE("%d: %s, %s, %s\n", i, WInDev[i].ossdev->dev_name,
1152               WInDev[i].ossdev->mixer_name, WInDev[i].ossdev->interface_name);
1153     }
1154
1155     return 0;
1156 }
1157
1158 /******************************************************************
1159  *              OSS_InitRingMessage
1160  *
1161  * Initialize the ring of messages for passing between driver's caller and playback/record
1162  * thread
1163  */
1164 static int OSS_InitRingMessage(OSS_MSG_RING* omr)
1165 {
1166     omr->msg_toget = 0;
1167     omr->msg_tosave = 0;
1168 #ifdef USE_PIPE_SYNC
1169     if (pipe(omr->msg_pipe) < 0) {
1170         omr->msg_pipe[0] = -1;
1171         omr->msg_pipe[1] = -1;
1172         ERR("could not create pipe, error=%s\n", strerror(errno));
1173     }
1174 #else
1175     omr->msg_event = CreateEventW(NULL, FALSE, FALSE, NULL);
1176 #endif
1177     omr->ring_buffer_size = OSS_RING_BUFFER_INCREMENT;
1178     omr->messages = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,omr->ring_buffer_size * sizeof(OSS_MSG));
1179     InitializeCriticalSection(&omr->msg_crst);
1180     omr->msg_crst.DebugInfo->Spare[0] = (DWORD_PTR)"WINEOSS_msg_crst";
1181     return 0;
1182 }
1183
1184 /******************************************************************
1185  *              OSS_DestroyRingMessage
1186  *
1187  */
1188 static int OSS_DestroyRingMessage(OSS_MSG_RING* omr)
1189 {
1190 #ifdef USE_PIPE_SYNC
1191     close(omr->msg_pipe[0]);
1192     close(omr->msg_pipe[1]);
1193 #else
1194     CloseHandle(omr->msg_event);
1195 #endif
1196     HeapFree(GetProcessHeap(),0,omr->messages);
1197     DeleteCriticalSection(&omr->msg_crst);
1198     return 0;
1199 }
1200
1201 /******************************************************************
1202  *              OSS_AddRingMessage
1203  *
1204  * Inserts a new message into the ring (should be called from DriverProc derivated routines)
1205  */
1206 static int OSS_AddRingMessage(OSS_MSG_RING* omr, enum win_wm_message msg, DWORD param, BOOL wait)
1207 {
1208     HANDLE      hEvent = INVALID_HANDLE_VALUE;
1209
1210     EnterCriticalSection(&omr->msg_crst);
1211     if ((omr->msg_toget == ((omr->msg_tosave + 1) % omr->ring_buffer_size)))
1212     {
1213         int old_ring_buffer_size = omr->ring_buffer_size;
1214         omr->ring_buffer_size += OSS_RING_BUFFER_INCREMENT;
1215         TRACE("omr->ring_buffer_size=%d\n",omr->ring_buffer_size);
1216         omr->messages = HeapReAlloc(GetProcessHeap(),0,omr->messages, omr->ring_buffer_size * sizeof(OSS_MSG));
1217         /* Now we need to rearrange the ring buffer so that the new
1218            buffers just allocated are in between omr->msg_tosave and
1219            omr->msg_toget.
1220         */
1221         if (omr->msg_tosave < omr->msg_toget)
1222         {
1223             memmove(&(omr->messages[omr->msg_toget + OSS_RING_BUFFER_INCREMENT]),
1224                     &(omr->messages[omr->msg_toget]),
1225                     sizeof(OSS_MSG)*(old_ring_buffer_size - omr->msg_toget)
1226                     );
1227             omr->msg_toget += OSS_RING_BUFFER_INCREMENT;
1228         }
1229     }
1230     if (wait)
1231     {
1232         hEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
1233         if (hEvent == INVALID_HANDLE_VALUE)
1234         {
1235             ERR("can't create event !?\n");
1236             LeaveCriticalSection(&omr->msg_crst);
1237             return 0;
1238         }
1239         if (omr->msg_toget != omr->msg_tosave && omr->messages[omr->msg_toget].msg != WINE_WM_HEADER)
1240             FIXME("two fast messages in the queue!!!! toget = %d(%s), tosave=%d(%s)\n",
1241             omr->msg_toget,getCmdString(omr->messages[omr->msg_toget].msg),
1242             omr->msg_tosave,getCmdString(omr->messages[omr->msg_tosave].msg));
1243
1244         /* fast messages have to be added at the start of the queue */
1245         omr->msg_toget = (omr->msg_toget + omr->ring_buffer_size - 1) % omr->ring_buffer_size;
1246         omr->messages[omr->msg_toget].msg = msg;
1247         omr->messages[omr->msg_toget].param = param;
1248         omr->messages[omr->msg_toget].hEvent = hEvent;
1249     }
1250     else
1251     {
1252         omr->messages[omr->msg_tosave].msg = msg;
1253         omr->messages[omr->msg_tosave].param = param;
1254         omr->messages[omr->msg_tosave].hEvent = INVALID_HANDLE_VALUE;
1255         omr->msg_tosave = (omr->msg_tosave + 1) % omr->ring_buffer_size;
1256     }
1257     LeaveCriticalSection(&omr->msg_crst);
1258     /* signal a new message */
1259     SIGNAL_OMR(omr);
1260     if (wait)
1261     {
1262         /* wait for playback/record thread to have processed the message */
1263         WaitForSingleObject(hEvent, INFINITE);
1264         CloseHandle(hEvent);
1265     }
1266     return 1;
1267 }
1268
1269 /******************************************************************
1270  *              OSS_RetrieveRingMessage
1271  *
1272  * Get a message from the ring. Should be called by the playback/record thread.
1273  */
1274 static int OSS_RetrieveRingMessage(OSS_MSG_RING* omr,
1275                                    enum win_wm_message *msg, DWORD *param, HANDLE *hEvent)
1276 {
1277     EnterCriticalSection(&omr->msg_crst);
1278
1279     if (omr->msg_toget == omr->msg_tosave) /* buffer empty ? */
1280     {
1281         LeaveCriticalSection(&omr->msg_crst);
1282         return 0;
1283     }
1284
1285     *msg = omr->messages[omr->msg_toget].msg;
1286     omr->messages[omr->msg_toget].msg = 0;
1287     *param = omr->messages[omr->msg_toget].param;
1288     *hEvent = omr->messages[omr->msg_toget].hEvent;
1289     omr->msg_toget = (omr->msg_toget + 1) % omr->ring_buffer_size;
1290     CLEAR_OMR(omr);
1291     LeaveCriticalSection(&omr->msg_crst);
1292     return 1;
1293 }
1294
1295 /******************************************************************
1296  *              OSS_PeekRingMessage
1297  *
1298  * Peek at a message from the ring but do not remove it.
1299  * Should be called by the playback/record thread.
1300  */
1301 static int OSS_PeekRingMessage(OSS_MSG_RING* omr,
1302                                enum win_wm_message *msg,
1303                                DWORD *param, HANDLE *hEvent)
1304 {
1305     EnterCriticalSection(&omr->msg_crst);
1306
1307     if (omr->msg_toget == omr->msg_tosave) /* buffer empty ? */
1308     {
1309         LeaveCriticalSection(&omr->msg_crst);
1310         return 0;
1311     }
1312
1313     *msg = omr->messages[omr->msg_toget].msg;
1314     *param = omr->messages[omr->msg_toget].param;
1315     *hEvent = omr->messages[omr->msg_toget].hEvent;
1316     LeaveCriticalSection(&omr->msg_crst);
1317     return 1;
1318 }
1319
1320 /*======================================================================*
1321  *                  Low level WAVE OUT implementation                   *
1322  *======================================================================*/
1323
1324 /**************************************************************************
1325  *                      wodNotifyClient                 [internal]
1326  */
1327 static DWORD wodNotifyClient(WINE_WAVEOUT* wwo, WORD wMsg, DWORD dwParam1, DWORD dwParam2)
1328 {
1329     TRACE("wMsg = 0x%04x (%s) dwParm1 = %04lX dwParam2 = %04lX\n", wMsg,
1330         wMsg == WOM_OPEN ? "WOM_OPEN" : wMsg == WOM_CLOSE ? "WOM_CLOSE" :
1331         wMsg == WOM_DONE ? "WOM_DONE" : "Unknown", dwParam1, dwParam2);
1332
1333     switch (wMsg) {
1334     case WOM_OPEN:
1335     case WOM_CLOSE:
1336     case WOM_DONE:
1337         if (wwo->wFlags != DCB_NULL &&
1338             !DriverCallback(wwo->waveDesc.dwCallback, wwo->wFlags,
1339                             (HDRVR)wwo->waveDesc.hWave, wMsg,
1340                             wwo->waveDesc.dwInstance, dwParam1, dwParam2)) {
1341             WARN("can't notify client !\n");
1342             return MMSYSERR_ERROR;
1343         }
1344         break;
1345     default:
1346         FIXME("Unknown callback message %u\n", wMsg);
1347         return MMSYSERR_INVALPARAM;
1348     }
1349     return MMSYSERR_NOERROR;
1350 }
1351
1352 /**************************************************************************
1353  *                              wodUpdatePlayedTotal    [internal]
1354  *
1355  */
1356 static BOOL wodUpdatePlayedTotal(WINE_WAVEOUT* wwo, audio_buf_info* info)
1357 {
1358     audio_buf_info dspspace;
1359     DWORD notplayed;
1360     if (!info) info = &dspspace;
1361
1362     if (ioctl(wwo->ossdev->fd, SNDCTL_DSP_GETOSPACE, info) < 0) {
1363         ERR("ioctl(%s, SNDCTL_DSP_GETOSPACE) failed (%s)\n", wwo->ossdev->dev_name, strerror(errno));
1364         return FALSE;
1365     }
1366
1367     /* GETOSPACE is not always accurate when we're down to the last fragment or two;
1368     **   we try to accommodate that here by assuming that the dsp is empty by looking
1369     **   at the clock rather than the result of GETOSPACE */
1370     notplayed = wwo->dwBufferSize - info->bytes;
1371     if (notplayed > 0 && notplayed < (info->fragsize * 2))
1372     {
1373         if (wwo->dwProjectedFinishTime && GetTickCount() >= wwo->dwProjectedFinishTime)
1374         {
1375             TRACE("Adjusting for a presumed OSS bug and assuming all data has been played.\n");
1376             wwo->dwPlayedTotal = wwo->dwWrittenTotal;
1377             return TRUE;
1378         }
1379         else
1380             /* Some OSS drivers will clean up nicely if given a POST, so give 'em the chance... */
1381             ioctl(wwo->ossdev->fd, SNDCTL_DSP_POST, 0);
1382     }
1383
1384     wwo->dwPlayedTotal = wwo->dwWrittenTotal - notplayed;
1385     return TRUE;
1386 }
1387
1388 /**************************************************************************
1389  *                              wodPlayer_BeginWaveHdr          [internal]
1390  *
1391  * Makes the specified lpWaveHdr the currently playing wave header.
1392  * If the specified wave header is a begin loop and we're not already in
1393  * a loop, setup the loop.
1394  */
1395 static void wodPlayer_BeginWaveHdr(WINE_WAVEOUT* wwo, LPWAVEHDR lpWaveHdr)
1396 {
1397     wwo->lpPlayPtr = lpWaveHdr;
1398
1399     if (!lpWaveHdr) return;
1400
1401     if (lpWaveHdr->dwFlags & WHDR_BEGINLOOP) {
1402         if (wwo->lpLoopPtr) {
1403             WARN("Already in a loop. Discarding loop on this header (%p)\n", lpWaveHdr);
1404         } else {
1405             TRACE("Starting loop (%ldx) with %p\n", lpWaveHdr->dwLoops, lpWaveHdr);
1406             wwo->lpLoopPtr = lpWaveHdr;
1407             /* Windows does not touch WAVEHDR.dwLoops,
1408              * so we need to make an internal copy */
1409             wwo->dwLoops = lpWaveHdr->dwLoops;
1410         }
1411     }
1412     wwo->dwPartialOffset = 0;
1413 }
1414
1415 /**************************************************************************
1416  *                              wodPlayer_PlayPtrNext           [internal]
1417  *
1418  * Advance the play pointer to the next waveheader, looping if required.
1419  */
1420 static LPWAVEHDR wodPlayer_PlayPtrNext(WINE_WAVEOUT* wwo)
1421 {
1422     LPWAVEHDR lpWaveHdr = wwo->lpPlayPtr;
1423
1424     wwo->dwPartialOffset = 0;
1425     if ((lpWaveHdr->dwFlags & WHDR_ENDLOOP) && wwo->lpLoopPtr) {
1426         /* We're at the end of a loop, loop if required */
1427         if (--wwo->dwLoops > 0) {
1428             wwo->lpPlayPtr = wwo->lpLoopPtr;
1429         } else {
1430             /* Handle overlapping loops correctly */
1431             if (wwo->lpLoopPtr != lpWaveHdr && (lpWaveHdr->dwFlags & WHDR_BEGINLOOP)) {
1432                 FIXME("Correctly handled case ? (ending loop buffer also starts a new loop)\n");
1433                 /* shall we consider the END flag for the closing loop or for
1434                  * the opening one or for both ???
1435                  * code assumes for closing loop only
1436                  */
1437             } else {
1438                 lpWaveHdr = lpWaveHdr->lpNext;
1439             }
1440             wwo->lpLoopPtr = NULL;
1441             wodPlayer_BeginWaveHdr(wwo, lpWaveHdr);
1442         }
1443     } else {
1444         /* We're not in a loop.  Advance to the next wave header */
1445         wodPlayer_BeginWaveHdr(wwo, lpWaveHdr = lpWaveHdr->lpNext);
1446     }
1447
1448     return lpWaveHdr;
1449 }
1450
1451 /**************************************************************************
1452  *                           wodPlayer_TicksTillEmpty           [internal]
1453  * Returns the number of ticks until we think the DSP should be empty
1454  */
1455 static DWORD wodPlayer_TicksTillEmpty(const WINE_WAVEOUT *wwo)
1456 {
1457     return ((wwo->dwWrittenTotal - wwo->dwPlayedTotal) * 1000)
1458         / wwo->waveFormat.Format.nAvgBytesPerSec;
1459 }
1460
1461 /**************************************************************************
1462  *                           wodPlayer_DSPWait                  [internal]
1463  * Returns the number of milliseconds to wait for the DSP buffer to write
1464  * one fragment.
1465  */
1466 static DWORD wodPlayer_DSPWait(const WINE_WAVEOUT *wwo)
1467 {
1468     /* time for one fragment to be played */
1469     return wwo->dwFragmentSize * 1000 / wwo->waveFormat.Format.nAvgBytesPerSec;
1470 }
1471
1472 /**************************************************************************
1473  *                           wodPlayer_NotifyWait               [internal]
1474  * Returns the number of milliseconds to wait before attempting to notify
1475  * completion of the specified wavehdr.
1476  * This is based on the number of bytes remaining to be written in the
1477  * wave.
1478  */
1479 static DWORD wodPlayer_NotifyWait(const WINE_WAVEOUT* wwo, LPWAVEHDR lpWaveHdr)
1480 {
1481     DWORD dwMillis;
1482
1483     if (lpWaveHdr->reserved < wwo->dwPlayedTotal) {
1484         dwMillis = 1;
1485     } else {
1486         dwMillis = (lpWaveHdr->reserved - wwo->dwPlayedTotal) * 1000 / wwo->waveFormat.Format.nAvgBytesPerSec;
1487         if (!dwMillis) dwMillis = 1;
1488     }
1489
1490     return dwMillis;
1491 }
1492
1493
1494 /**************************************************************************
1495  *                           wodPlayer_WriteMaxFrags            [internal]
1496  * Writes the maximum number of bytes possible to the DSP and returns
1497  * TRUE iff the current playPtr has been fully played
1498  */
1499 static BOOL wodPlayer_WriteMaxFrags(WINE_WAVEOUT* wwo, DWORD* bytes)
1500 {
1501     DWORD       dwLength = wwo->lpPlayPtr->dwBufferLength - wwo->dwPartialOffset;
1502     DWORD       toWrite = min(dwLength, *bytes);
1503     int         written;
1504     BOOL        ret = FALSE;
1505
1506     TRACE("Writing wavehdr %p.%lu[%lu]/%lu\n",
1507           wwo->lpPlayPtr, wwo->dwPartialOffset, wwo->lpPlayPtr->dwBufferLength, toWrite);
1508
1509     if (toWrite > 0)
1510     {
1511         written = write(wwo->ossdev->fd, wwo->lpPlayPtr->lpData + wwo->dwPartialOffset, toWrite);
1512         if (written <= 0) {
1513             TRACE("write(%s, %p, %ld) failed (%s) returned %d\n", wwo->ossdev->dev_name,
1514                 wwo->lpPlayPtr->lpData + wwo->dwPartialOffset, toWrite, strerror(errno), written);
1515             return FALSE;
1516         }
1517     }
1518     else
1519         written = 0;
1520
1521     if (written >= dwLength) {
1522         /* If we wrote all current wavehdr, skip to the next one */
1523         wodPlayer_PlayPtrNext(wwo);
1524         ret = TRUE;
1525     } else {
1526         /* Remove the amount written */
1527         wwo->dwPartialOffset += written;
1528     }
1529     *bytes -= written;
1530     wwo->dwWrittenTotal += written;
1531     TRACE("dwWrittenTotal=%lu\n", wwo->dwWrittenTotal);
1532     return ret;
1533 }
1534
1535
1536 /**************************************************************************
1537  *                              wodPlayer_NotifyCompletions     [internal]
1538  *
1539  * Notifies and remove from queue all wavehdrs which have been played to
1540  * the speaker (ie. they have cleared the OSS buffer).  If force is true,
1541  * we notify all wavehdrs and remove them all from the queue even if they
1542  * are unplayed or part of a loop.
1543  */
1544 static DWORD wodPlayer_NotifyCompletions(WINE_WAVEOUT* wwo, BOOL force)
1545 {
1546     LPWAVEHDR           lpWaveHdr;
1547
1548     /* Start from lpQueuePtr and keep notifying until:
1549      * - we hit an unwritten wavehdr
1550      * - we hit the beginning of a running loop
1551      * - we hit a wavehdr which hasn't finished playing
1552      */
1553 #if 0
1554     while ((lpWaveHdr = wwo->lpQueuePtr) &&
1555            (force ||
1556             (lpWaveHdr != wwo->lpPlayPtr &&
1557              lpWaveHdr != wwo->lpLoopPtr &&
1558              lpWaveHdr->reserved <= wwo->dwPlayedTotal))) {
1559
1560         wwo->lpQueuePtr = lpWaveHdr->lpNext;
1561
1562         lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
1563         lpWaveHdr->dwFlags |= WHDR_DONE;
1564
1565         wodNotifyClient(wwo, WOM_DONE, (DWORD)lpWaveHdr, 0);
1566     }
1567 #else
1568     for (;;)
1569     {
1570         lpWaveHdr = wwo->lpQueuePtr;
1571         if (!lpWaveHdr) {TRACE("Empty queue\n"); break;}
1572         if (!force)
1573         {
1574             if (lpWaveHdr == wwo->lpPlayPtr) {TRACE("play %p\n", lpWaveHdr); break;}
1575             if (lpWaveHdr == wwo->lpLoopPtr) {TRACE("loop %p\n", lpWaveHdr); break;}
1576             if (lpWaveHdr->reserved > wwo->dwPlayedTotal){TRACE("still playing %p (%lu/%lu)\n", lpWaveHdr, lpWaveHdr->reserved, wwo->dwPlayedTotal);break;}
1577         }
1578         wwo->lpQueuePtr = lpWaveHdr->lpNext;
1579
1580         lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
1581         lpWaveHdr->dwFlags |= WHDR_DONE;
1582
1583         wodNotifyClient(wwo, WOM_DONE, (DWORD)lpWaveHdr, 0);
1584     }
1585 #endif
1586     return  (lpWaveHdr && lpWaveHdr != wwo->lpPlayPtr && lpWaveHdr != wwo->lpLoopPtr) ?
1587         wodPlayer_NotifyWait(wwo, lpWaveHdr) : INFINITE;
1588 }
1589
1590 /**************************************************************************
1591  *                              wodPlayer_Reset                 [internal]
1592  *
1593  * wodPlayer helper. Resets current output stream.
1594  */
1595 static  void    wodPlayer_Reset(WINE_WAVEOUT* wwo, BOOL reset)
1596 {
1597     wodUpdatePlayedTotal(wwo, NULL);
1598     /* updates current notify list */
1599     wodPlayer_NotifyCompletions(wwo, FALSE);
1600
1601     /* flush all possible output */
1602     if (OSS_ResetDevice(wwo->ossdev) != MMSYSERR_NOERROR)
1603     {
1604         wwo->hThread = 0;
1605         wwo->state = WINE_WS_STOPPED;
1606         ExitThread(-1);
1607     }
1608
1609     if (reset) {
1610         enum win_wm_message     msg;
1611         DWORD                   param;
1612         HANDLE                  ev;
1613
1614         /* remove any buffer */
1615         wodPlayer_NotifyCompletions(wwo, TRUE);
1616
1617         wwo->lpPlayPtr = wwo->lpQueuePtr = wwo->lpLoopPtr = NULL;
1618         wwo->state = WINE_WS_STOPPED;
1619         wwo->dwPlayedTotal = wwo->dwWrittenTotal = 0;
1620         /* Clear partial wavehdr */
1621         wwo->dwPartialOffset = 0;
1622
1623         /* remove any existing message in the ring */
1624         EnterCriticalSection(&wwo->msgRing.msg_crst);
1625         /* return all pending headers in queue */
1626         while (OSS_RetrieveRingMessage(&wwo->msgRing, &msg, &param, &ev))
1627         {
1628             if (msg != WINE_WM_HEADER)
1629             {
1630                 FIXME("shouldn't have headers left\n");
1631                 SetEvent(ev);
1632                 continue;
1633             }
1634             ((LPWAVEHDR)param)->dwFlags &= ~WHDR_INQUEUE;
1635             ((LPWAVEHDR)param)->dwFlags |= WHDR_DONE;
1636
1637             wodNotifyClient(wwo, WOM_DONE, param, 0);
1638         }
1639         RESET_OMR(&wwo->msgRing);
1640         LeaveCriticalSection(&wwo->msgRing.msg_crst);
1641     } else {
1642         if (wwo->lpLoopPtr) {
1643             /* complicated case, not handled yet (could imply modifying the loop counter */
1644             FIXME("Pausing while in loop isn't correctly handled yet, except strange results\n");
1645             wwo->lpPlayPtr = wwo->lpLoopPtr;
1646             wwo->dwPartialOffset = 0;
1647             wwo->dwWrittenTotal = wwo->dwPlayedTotal; /* this is wrong !!! */
1648         } else {
1649             LPWAVEHDR   ptr;
1650             DWORD       sz = wwo->dwPartialOffset;
1651
1652             /* reset all the data as if we had written only up to lpPlayedTotal bytes */
1653             /* compute the max size playable from lpQueuePtr */
1654             for (ptr = wwo->lpQueuePtr; ptr != wwo->lpPlayPtr; ptr = ptr->lpNext) {
1655                 sz += ptr->dwBufferLength;
1656             }
1657             /* because the reset lpPlayPtr will be lpQueuePtr */
1658             if (wwo->dwWrittenTotal > wwo->dwPlayedTotal + sz) ERR("grin\n");
1659             wwo->dwPartialOffset = sz - (wwo->dwWrittenTotal - wwo->dwPlayedTotal);
1660             wwo->dwWrittenTotal = wwo->dwPlayedTotal;
1661             wwo->lpPlayPtr = wwo->lpQueuePtr;
1662         }
1663         wwo->state = WINE_WS_PAUSED;
1664     }
1665 }
1666
1667 /**************************************************************************
1668  *                    wodPlayer_ProcessMessages                 [internal]
1669  */
1670 static void wodPlayer_ProcessMessages(WINE_WAVEOUT* wwo)
1671 {
1672     LPWAVEHDR           lpWaveHdr;
1673     enum win_wm_message msg;
1674     DWORD               param;
1675     HANDLE              ev;
1676
1677     while (OSS_RetrieveRingMessage(&wwo->msgRing, &msg, &param, &ev)) {
1678         TRACE("Received %s %lx\n", getCmdString(msg), param);
1679         switch (msg) {
1680         case WINE_WM_PAUSING:
1681             wodPlayer_Reset(wwo, FALSE);
1682             SetEvent(ev);
1683             break;
1684         case WINE_WM_RESTARTING:
1685             if (wwo->state == WINE_WS_PAUSED)
1686             {
1687                 wwo->state = WINE_WS_PLAYING;
1688             }
1689             SetEvent(ev);
1690             break;
1691         case WINE_WM_HEADER:
1692             lpWaveHdr = (LPWAVEHDR)param;
1693
1694             /* insert buffer at the end of queue */
1695             {
1696                 LPWAVEHDR*      wh;
1697                 for (wh = &(wwo->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
1698                 *wh = lpWaveHdr;
1699             }
1700             if (!wwo->lpPlayPtr)
1701                 wodPlayer_BeginWaveHdr(wwo,lpWaveHdr);
1702             if (wwo->state == WINE_WS_STOPPED)
1703                 wwo->state = WINE_WS_PLAYING;
1704             break;
1705         case WINE_WM_RESETTING:
1706             wodPlayer_Reset(wwo, TRUE);
1707             SetEvent(ev);
1708             break;
1709         case WINE_WM_UPDATE:
1710             wodUpdatePlayedTotal(wwo, NULL);
1711             SetEvent(ev);
1712             break;
1713         case WINE_WM_BREAKLOOP:
1714             if (wwo->state == WINE_WS_PLAYING && wwo->lpLoopPtr != NULL) {
1715                 /* ensure exit at end of current loop */
1716                 wwo->dwLoops = 1;
1717             }
1718             SetEvent(ev);
1719             break;
1720         case WINE_WM_CLOSING:
1721             /* sanity check: this should not happen since the device must have been reset before */
1722             if (wwo->lpQueuePtr || wwo->lpPlayPtr) ERR("out of sync\n");
1723             wwo->hThread = 0;
1724             wwo->state = WINE_WS_CLOSED;
1725             SetEvent(ev);
1726             ExitThread(0);
1727             /* shouldn't go here */
1728         default:
1729             FIXME("unknown message %d\n", msg);
1730             break;
1731         }
1732     }
1733 }
1734
1735 /**************************************************************************
1736  *                           wodPlayer_FeedDSP                  [internal]
1737  * Feed as much sound data as we can into the DSP and return the number of
1738  * milliseconds before it will be necessary to feed the DSP again.
1739  */
1740 static DWORD wodPlayer_FeedDSP(WINE_WAVEOUT* wwo)
1741 {
1742     audio_buf_info dspspace;
1743     DWORD       availInQ;
1744
1745     if (!wodUpdatePlayedTotal(wwo, &dspspace)) return INFINITE;
1746     availInQ = dspspace.bytes;
1747     TRACE("fragments=%d/%d, fragsize=%d, bytes=%d\n",
1748           dspspace.fragments, dspspace.fragstotal, dspspace.fragsize, dspspace.bytes);
1749
1750     /* no more room... no need to try to feed */
1751     if (dspspace.fragments != 0) {
1752         /* Feed from partial wavehdr */
1753         if (wwo->lpPlayPtr && wwo->dwPartialOffset != 0) {
1754             wodPlayer_WriteMaxFrags(wwo, &availInQ);
1755         }
1756
1757         /* Feed wavehdrs until we run out of wavehdrs or DSP space */
1758         if (wwo->dwPartialOffset == 0 && wwo->lpPlayPtr) {
1759             do {
1760                 TRACE("Setting time to elapse for %p to %lu\n",
1761                       wwo->lpPlayPtr, wwo->dwWrittenTotal + wwo->lpPlayPtr->dwBufferLength);
1762                 /* note the value that dwPlayedTotal will return when this wave finishes playing */
1763                 wwo->lpPlayPtr->reserved = wwo->dwWrittenTotal + wwo->lpPlayPtr->dwBufferLength;
1764             } while (wodPlayer_WriteMaxFrags(wwo, &availInQ) && wwo->lpPlayPtr && availInQ > 0);
1765         }
1766
1767         if (wwo->bNeedPost) {
1768             /* OSS doesn't start before it gets either 2 fragments or a SNDCTL_DSP_POST;
1769              * if it didn't get one, we give it the other */
1770             if (wwo->dwBufferSize < availInQ + 2 * wwo->dwFragmentSize)
1771                 ioctl(wwo->ossdev->fd, SNDCTL_DSP_POST, 0);
1772             wwo->bNeedPost = FALSE;
1773         }
1774     }
1775
1776     return wodPlayer_DSPWait(wwo);
1777 }
1778
1779
1780 /**************************************************************************
1781  *                              wodPlayer                       [internal]
1782  */
1783 static  DWORD   CALLBACK        wodPlayer(LPVOID pmt)
1784 {
1785     WORD          uDevID = (DWORD)pmt;
1786     WINE_WAVEOUT* wwo = (WINE_WAVEOUT*)&WOutDev[uDevID];
1787     DWORD         dwNextFeedTime = INFINITE;   /* Time before DSP needs feeding */
1788     DWORD         dwNextNotifyTime = INFINITE; /* Time before next wave completion */
1789     DWORD         dwSleepTime;
1790
1791     wwo->state = WINE_WS_STOPPED;
1792     SetEvent(wwo->hStartUpEvent);
1793
1794     for (;;) {
1795         /** Wait for the shortest time before an action is required.  If there
1796          *  are no pending actions, wait forever for a command.
1797          */
1798         dwSleepTime = min(dwNextFeedTime, dwNextNotifyTime);
1799         TRACE("waiting %lums (%lu,%lu)\n", dwSleepTime, dwNextFeedTime, dwNextNotifyTime);
1800         WAIT_OMR(&wwo->msgRing, dwSleepTime);
1801         wodPlayer_ProcessMessages(wwo);
1802         if (wwo->state == WINE_WS_PLAYING) {
1803             dwNextFeedTime = wodPlayer_FeedDSP(wwo);
1804             if (dwNextFeedTime != INFINITE)
1805                 wwo->dwProjectedFinishTime = GetTickCount() + wodPlayer_TicksTillEmpty(wwo);
1806             else
1807                 wwo->dwProjectedFinishTime = 0;
1808
1809             dwNextNotifyTime = wodPlayer_NotifyCompletions(wwo, FALSE);
1810             if (dwNextFeedTime == INFINITE) {
1811                 /* FeedDSP ran out of data, but before flushing, */
1812                 /* check that a notification didn't give us more */
1813                 wodPlayer_ProcessMessages(wwo);
1814                 if (!wwo->lpPlayPtr) {
1815                     TRACE("flushing\n");
1816                     ioctl(wwo->ossdev->fd, SNDCTL_DSP_SYNC, 0);
1817                     wwo->dwPlayedTotal = wwo->dwWrittenTotal;
1818                     dwNextNotifyTime = wodPlayer_NotifyCompletions(wwo, FALSE);
1819                 } else {
1820                     TRACE("recovering\n");
1821                     dwNextFeedTime = wodPlayer_FeedDSP(wwo);
1822                 }
1823             }
1824         } else {
1825             dwNextFeedTime = dwNextNotifyTime = INFINITE;
1826         }
1827     }
1828 }
1829
1830 /**************************************************************************
1831  *                      wodGetDevCaps                           [internal]
1832  */
1833 static DWORD wodGetDevCaps(WORD wDevID, LPWAVEOUTCAPSW lpCaps, DWORD dwSize)
1834 {
1835     TRACE("(%u, %p, %lu);\n", wDevID, lpCaps, dwSize);
1836
1837     if (lpCaps == NULL) {
1838         WARN("not enabled\n");
1839         return MMSYSERR_NOTENABLED;
1840     }
1841
1842     if (wDevID >= numOutDev) {
1843         WARN("numOutDev reached !\n");
1844         return MMSYSERR_BADDEVICEID;
1845     }
1846
1847     if (WOutDev[wDevID].ossdev->open_access == O_RDWR)
1848         memcpy(lpCaps, &WOutDev[wDevID].ossdev->duplex_out_caps, min(dwSize, sizeof(*lpCaps)));
1849     else
1850         memcpy(lpCaps, &WOutDev[wDevID].ossdev->out_caps, min(dwSize, sizeof(*lpCaps)));
1851
1852     return MMSYSERR_NOERROR;
1853 }
1854
1855 /**************************************************************************
1856  *                              wodOpen                         [internal]
1857  */
1858 DWORD wodOpen(WORD wDevID, LPWAVEOPENDESC lpDesc, DWORD dwFlags)
1859 {
1860     int                 audio_fragment;
1861     WINE_WAVEOUT*       wwo;
1862     audio_buf_info      info;
1863     DWORD               ret;
1864
1865     TRACE("(%u, %p[cb=%08lx], %08lX);\n", wDevID, lpDesc, lpDesc->dwCallback, dwFlags);
1866     if (lpDesc == NULL) {
1867         WARN("Invalid Parameter !\n");
1868         return MMSYSERR_INVALPARAM;
1869     }
1870     if (wDevID >= numOutDev) {
1871         TRACE("MAX_WAVOUTDRV reached !\n");
1872         return MMSYSERR_BADDEVICEID;
1873     }
1874
1875     /* only PCM format is supported so far... */
1876     if (!supportedFormat(lpDesc->lpFormat)) {
1877         WARN("Bad format: tag=%04X nChannels=%d nSamplesPerSec=%ld !\n",
1878              lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
1879              lpDesc->lpFormat->nSamplesPerSec);
1880         return WAVERR_BADFORMAT;
1881     }
1882
1883     if (dwFlags & WAVE_FORMAT_QUERY) {
1884         TRACE("Query format: tag=%04X nChannels=%d nSamplesPerSec=%ld !\n",
1885              lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
1886              lpDesc->lpFormat->nSamplesPerSec);
1887         return MMSYSERR_NOERROR;
1888     }
1889
1890     TRACE("OSS_OpenDevice requested this format: %ldx%dx%d %s\n",
1891           lpDesc->lpFormat->nSamplesPerSec,
1892           lpDesc->lpFormat->wBitsPerSample,
1893           lpDesc->lpFormat->nChannels,
1894           lpDesc->lpFormat->wFormatTag == WAVE_FORMAT_PCM ? "WAVE_FORMAT_PCM" :
1895           lpDesc->lpFormat->wFormatTag == WAVE_FORMAT_EXTENSIBLE ? "WAVE_FORMAT_EXTENSIBLE" :
1896           "UNSUPPORTED");
1897
1898     wwo = &WOutDev[wDevID];
1899
1900     if ((dwFlags & WAVE_DIRECTSOUND) &&
1901         !(wwo->ossdev->duplex_out_caps.dwSupport & WAVECAPS_DIRECTSOUND))
1902         /* not supported, ignore it */
1903         dwFlags &= ~WAVE_DIRECTSOUND;
1904
1905     if (dwFlags & WAVE_DIRECTSOUND) {
1906         if (wwo->ossdev->duplex_out_caps.dwSupport & WAVECAPS_SAMPLEACCURATE)
1907             /* we have realtime DirectSound, fragments just waste our time,
1908              * but a large buffer is good, so choose 64KB (32 * 2^11) */
1909             audio_fragment = 0x0020000B;
1910         else
1911             /* to approximate realtime, we must use small fragments,
1912              * let's try to fragment the above 64KB (256 * 2^8) */
1913             audio_fragment = 0x01000008;
1914     } else {
1915         /* A wave device must have a worst case latency of 10 ms so calculate
1916          * the largest fragment size less than 10 ms long.
1917          */
1918         int     fsize = lpDesc->lpFormat->nAvgBytesPerSec / 100;        /* 10 ms chunk */
1919         int     shift = 0;
1920         while ((1 << shift) <= fsize)
1921             shift++;
1922         shift--;
1923         audio_fragment = 0x00100000 + shift;    /* 16 fragments of 2^shift */
1924     }
1925
1926     TRACE("requesting %d %d byte fragments (%ld ms/fragment)\n",
1927         audio_fragment >> 16, 1 << (audio_fragment & 0xffff),
1928         ((1 << (audio_fragment & 0xffff)) * 1000) / lpDesc->lpFormat->nAvgBytesPerSec);
1929
1930     if (wwo->state != WINE_WS_CLOSED) {
1931         WARN("already allocated\n");
1932         return MMSYSERR_ALLOCATED;
1933     }
1934
1935     /* we want to be able to mmap() the device, which means it must be opened readable,
1936      * otherwise mmap() will fail (at least under Linux) */
1937     ret = OSS_OpenDevice(wwo->ossdev,
1938                          (dwFlags & WAVE_DIRECTSOUND) ? O_RDWR : O_WRONLY,
1939                          &audio_fragment,
1940                          (dwFlags & WAVE_DIRECTSOUND) ? 0 : 1,
1941                          lpDesc->lpFormat->nSamplesPerSec,
1942                          lpDesc->lpFormat->nChannels,
1943                          (lpDesc->lpFormat->wBitsPerSample == 16)
1944                              ? AFMT_S16_LE : AFMT_U8);
1945     if ((ret==MMSYSERR_NOERROR) && (dwFlags & WAVE_DIRECTSOUND)) {
1946         lpDesc->lpFormat->nSamplesPerSec=wwo->ossdev->sample_rate;
1947         lpDesc->lpFormat->nChannels=wwo->ossdev->channels;
1948         lpDesc->lpFormat->wBitsPerSample=(wwo->ossdev->format == AFMT_U8 ? 8 : 16);
1949         lpDesc->lpFormat->nBlockAlign=lpDesc->lpFormat->nChannels*lpDesc->lpFormat->wBitsPerSample/8;
1950         lpDesc->lpFormat->nAvgBytesPerSec=lpDesc->lpFormat->nSamplesPerSec*lpDesc->lpFormat->nBlockAlign;
1951         TRACE("OSS_OpenDevice returned this format: %ldx%dx%d\n",
1952               lpDesc->lpFormat->nSamplesPerSec,
1953               lpDesc->lpFormat->wBitsPerSample,
1954               lpDesc->lpFormat->nChannels);
1955     }
1956     if (ret != 0) return ret;
1957     wwo->state = WINE_WS_STOPPED;
1958
1959     wwo->wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
1960
1961     memcpy(&wwo->waveDesc, lpDesc, sizeof(WAVEOPENDESC));
1962     copy_format(lpDesc->lpFormat, &wwo->waveFormat);
1963
1964     if (wwo->waveFormat.Format.wBitsPerSample == 0) {
1965         WARN("Resetting zeroed wBitsPerSample\n");
1966         wwo->waveFormat.Format.wBitsPerSample = 8 *
1967             (wwo->waveFormat.Format.nAvgBytesPerSec /
1968              wwo->waveFormat.Format.nSamplesPerSec) /
1969             wwo->waveFormat.Format.nChannels;
1970     }
1971     /* Read output space info for future reference */
1972     if (ioctl(wwo->ossdev->fd, SNDCTL_DSP_GETOSPACE, &info) < 0) {
1973         ERR("ioctl(%s, SNDCTL_DSP_GETOSPACE) failed (%s)\n", wwo->ossdev->dev_name, strerror(errno));
1974         OSS_CloseDevice(wwo->ossdev);
1975         wwo->state = WINE_WS_CLOSED;
1976         return MMSYSERR_NOTENABLED;
1977     }
1978
1979     TRACE("got %d %d byte fragments (%d ms/fragment)\n", info.fragstotal,
1980         info.fragsize, (info.fragsize * 1000) / (wwo->ossdev->sample_rate *
1981         wwo->ossdev->channels * (wwo->ossdev->format == AFMT_U8 ? 1 : 2)));
1982
1983     /* Check that fragsize is correct per our settings above */
1984     if ((info.fragsize > 1024) && (LOWORD(audio_fragment) <= 10)) {
1985         /* we've tried to set 1K fragments or less, but it didn't work */
1986         ERR("fragment size set failed, size is now %d\n", info.fragsize);
1987         MESSAGE("Your Open Sound System driver did not let us configure small enough sound fragments.\n");
1988         MESSAGE("This may cause delays and other problems in audio playback with certain applications.\n");
1989     }
1990
1991     /* Remember fragsize and total buffer size for future use */
1992     wwo->dwFragmentSize = info.fragsize;
1993     wwo->dwBufferSize = info.fragstotal * info.fragsize;
1994     wwo->dwPlayedTotal = 0;
1995     wwo->dwWrittenTotal = 0;
1996     wwo->bNeedPost = TRUE;
1997
1998     TRACE("fd=%d fragstotal=%d fragsize=%d BufferSize=%ld\n",
1999           wwo->ossdev->fd, info.fragstotal, info.fragsize, wwo->dwBufferSize);
2000     if (wwo->dwFragmentSize % wwo->waveFormat.Format.nBlockAlign) {
2001         ERR("Fragment doesn't contain an integral number of data blocks fragsize=%ld BlockAlign=%d\n",wwo->dwFragmentSize,wwo->waveFormat.Format.nBlockAlign);
2002         /* Some SoundBlaster 16 cards return an incorrect (odd) fragment
2003          * size for 16 bit sound. This will cause a system crash when we try
2004          * to write just the specified odd number of bytes. So if we
2005          * detect something is wrong we'd better fix it.
2006          */
2007         wwo->dwFragmentSize-=wwo->dwFragmentSize % wwo->waveFormat.Format.nBlockAlign;
2008     }
2009
2010     OSS_InitRingMessage(&wwo->msgRing);
2011
2012     wwo->hStartUpEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
2013     wwo->hThread = CreateThread(NULL, 0, wodPlayer, (LPVOID)(DWORD)wDevID, 0, &(wwo->dwThreadID));
2014     if (wwo->hThread)
2015         SetThreadPriority(wwo->hThread, THREAD_PRIORITY_TIME_CRITICAL);
2016     WaitForSingleObject(wwo->hStartUpEvent, INFINITE);
2017     CloseHandle(wwo->hStartUpEvent);
2018     wwo->hStartUpEvent = INVALID_HANDLE_VALUE;
2019
2020     TRACE("wBitsPerSample=%u, nAvgBytesPerSec=%lu, nSamplesPerSec=%lu, nChannels=%u nBlockAlign=%u!\n",
2021           wwo->waveFormat.Format.wBitsPerSample, wwo->waveFormat.Format.nAvgBytesPerSec,
2022           wwo->waveFormat.Format.nSamplesPerSec, wwo->waveFormat.Format.nChannels,
2023           wwo->waveFormat.Format.nBlockAlign);
2024
2025     return wodNotifyClient(wwo, WOM_OPEN, 0L, 0L);
2026 }
2027
2028 /**************************************************************************
2029  *                              wodClose                        [internal]
2030  */
2031 static DWORD wodClose(WORD wDevID)
2032 {
2033     DWORD               ret = MMSYSERR_NOERROR;
2034     WINE_WAVEOUT*       wwo;
2035
2036     TRACE("(%u);\n", wDevID);
2037
2038     if (wDevID >= numOutDev || WOutDev[wDevID].state == WINE_WS_CLOSED) {
2039         WARN("bad device ID !\n");
2040         return MMSYSERR_BADDEVICEID;
2041     }
2042
2043     wwo = &WOutDev[wDevID];
2044     if (wwo->lpQueuePtr) {
2045         WARN("buffers still playing !\n");
2046         ret = WAVERR_STILLPLAYING;
2047     } else {
2048         if (wwo->hThread != INVALID_HANDLE_VALUE) {
2049             OSS_AddRingMessage(&wwo->msgRing, WINE_WM_CLOSING, 0, TRUE);
2050         }
2051
2052         OSS_DestroyRingMessage(&wwo->msgRing);
2053
2054         OSS_CloseDevice(wwo->ossdev);
2055         wwo->state = WINE_WS_CLOSED;
2056         wwo->dwFragmentSize = 0;
2057         ret = wodNotifyClient(wwo, WOM_CLOSE, 0L, 0L);
2058     }
2059     return ret;
2060 }
2061
2062 /**************************************************************************
2063  *                              wodWrite                        [internal]
2064  *
2065  */
2066 static DWORD wodWrite(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
2067 {
2068     TRACE("(%u, %p, %08lX);\n", wDevID, lpWaveHdr, dwSize);
2069
2070     /* first, do the sanity checks... */
2071     if (wDevID >= numOutDev || WOutDev[wDevID].state == WINE_WS_CLOSED) {
2072         WARN("bad dev ID !\n");
2073         return MMSYSERR_BADDEVICEID;
2074     }
2075
2076     if (lpWaveHdr->lpData == NULL || !(lpWaveHdr->dwFlags & WHDR_PREPARED))
2077         return WAVERR_UNPREPARED;
2078
2079     if (lpWaveHdr->dwFlags & WHDR_INQUEUE)
2080         return WAVERR_STILLPLAYING;
2081
2082     lpWaveHdr->dwFlags &= ~WHDR_DONE;
2083     lpWaveHdr->dwFlags |= WHDR_INQUEUE;
2084     lpWaveHdr->lpNext = 0;
2085
2086     if ((lpWaveHdr->dwBufferLength & (WOutDev[wDevID].waveFormat.Format.nBlockAlign - 1)) != 0)
2087     {
2088         WARN("WaveHdr length isn't a multiple of the PCM block size: %ld %% %d\n",lpWaveHdr->dwBufferLength,WOutDev[wDevID].waveFormat.Format.nBlockAlign);
2089         lpWaveHdr->dwBufferLength &= ~(WOutDev[wDevID].waveFormat.Format.nBlockAlign - 1);
2090     }
2091
2092     OSS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_HEADER, (DWORD)lpWaveHdr, FALSE);
2093
2094     return MMSYSERR_NOERROR;
2095 }
2096
2097 /**************************************************************************
2098  *                      wodPause                                [internal]
2099  */
2100 static DWORD wodPause(WORD wDevID)
2101 {
2102     TRACE("(%u);!\n", wDevID);
2103
2104     if (wDevID >= numOutDev || WOutDev[wDevID].state == WINE_WS_CLOSED) {
2105         WARN("bad device ID !\n");
2106         return MMSYSERR_BADDEVICEID;
2107     }
2108
2109     OSS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_PAUSING, 0, TRUE);
2110
2111     return MMSYSERR_NOERROR;
2112 }
2113
2114 /**************************************************************************
2115  *                      wodRestart                              [internal]
2116  */
2117 static DWORD wodRestart(WORD wDevID)
2118 {
2119     TRACE("(%u);\n", wDevID);
2120
2121     if (wDevID >= numOutDev || WOutDev[wDevID].state == WINE_WS_CLOSED) {
2122         WARN("bad device ID !\n");
2123         return MMSYSERR_BADDEVICEID;
2124     }
2125
2126     OSS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_RESTARTING, 0, TRUE);
2127
2128     /* FIXME: is NotifyClient with WOM_DONE right ? (Comet Busters 1.3.3 needs this notification) */
2129     /* FIXME: Myst crashes with this ... hmm -MM
2130        return wodNotifyClient(wwo, WOM_DONE, 0L, 0L);
2131     */
2132
2133     return MMSYSERR_NOERROR;
2134 }
2135
2136 /**************************************************************************
2137  *                      wodReset                                [internal]
2138  */
2139 static DWORD wodReset(WORD wDevID)
2140 {
2141     TRACE("(%u);\n", wDevID);
2142
2143     if (wDevID >= numOutDev || WOutDev[wDevID].state == WINE_WS_CLOSED) {
2144         WARN("bad device ID !\n");
2145         return MMSYSERR_BADDEVICEID;
2146     }
2147
2148     OSS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_RESETTING, 0, TRUE);
2149
2150     return MMSYSERR_NOERROR;
2151 }
2152
2153 /**************************************************************************
2154  *                              wodGetPosition                  [internal]
2155  */
2156 static DWORD wodGetPosition(WORD wDevID, LPMMTIME lpTime, DWORD uSize)
2157 {
2158     WINE_WAVEOUT*       wwo;
2159
2160     TRACE("(%u, %p, %lu);\n", wDevID, lpTime, uSize);
2161
2162     if (wDevID >= numOutDev || WOutDev[wDevID].state == WINE_WS_CLOSED) {
2163         WARN("bad device ID !\n");
2164         return MMSYSERR_BADDEVICEID;
2165     }
2166
2167     if (lpTime == NULL) {
2168         WARN("invalid parameter: lpTime == NULL\n");
2169         return MMSYSERR_INVALPARAM;
2170     }
2171
2172     wwo = &WOutDev[wDevID];
2173 #ifdef EXACT_WODPOSITION
2174     if (wwo->ossdev->open_access == O_RDWR) {
2175         if (wwo->ossdev->duplex_out_caps.dwSupport & WAVECAPS_SAMPLEACCURATE)
2176             OSS_AddRingMessage(&wwo->msgRing, WINE_WM_UPDATE, 0, TRUE);
2177     } else {
2178         if (wwo->ossdev->out_caps.dwSupport & WAVECAPS_SAMPLEACCURATE)
2179             OSS_AddRingMessage(&wwo->msgRing, WINE_WM_UPDATE, 0, TRUE);
2180     }
2181 #endif
2182
2183     return bytes_to_mmtime(lpTime, wwo->dwPlayedTotal, &wwo->waveFormat);
2184 }
2185
2186 /**************************************************************************
2187  *                              wodBreakLoop                    [internal]
2188  */
2189 static DWORD wodBreakLoop(WORD wDevID)
2190 {
2191     TRACE("(%u);\n", wDevID);
2192
2193     if (wDevID >= numOutDev || WOutDev[wDevID].state == WINE_WS_CLOSED) {
2194         WARN("bad device ID !\n");
2195         return MMSYSERR_BADDEVICEID;
2196     }
2197     OSS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_BREAKLOOP, 0, TRUE);
2198     return MMSYSERR_NOERROR;
2199 }
2200
2201 /**************************************************************************
2202  *                              wodGetVolume                    [internal]
2203  */
2204 static DWORD wodGetVolume(WORD wDevID, LPDWORD lpdwVol)
2205 {
2206     int         mixer;
2207     int         volume;
2208     DWORD       left, right;
2209     DWORD       last_left, last_right;
2210
2211     TRACE("(%u, %p);\n", wDevID, lpdwVol);
2212
2213     if (lpdwVol == NULL) {
2214         WARN("not enabled\n");
2215         return MMSYSERR_NOTENABLED;
2216     }
2217     if (wDevID >= numOutDev) {
2218         WARN("invalid parameter\n");
2219         return MMSYSERR_INVALPARAM;
2220     }
2221
2222     if ((mixer = open(WOutDev[wDevID].ossdev->mixer_name, O_RDONLY|O_NDELAY)) < 0) {
2223         WARN("mixer device not available !\n");
2224         return MMSYSERR_NOTENABLED;
2225     }
2226     if (ioctl(mixer, SOUND_MIXER_READ_PCM, &volume) == -1) {
2227         WARN("ioctl(%s, SOUND_MIXER_READ_PCM) failed (%s)\n",
2228              WOutDev[wDevID].ossdev->mixer_name, strerror(errno));
2229         return MMSYSERR_NOTENABLED;
2230     }
2231     close(mixer);
2232
2233     left = LOBYTE(volume);
2234     right = HIBYTE(volume);
2235     TRACE("left=%ld right=%ld !\n", left, right);
2236     last_left  = (LOWORD(WOutDev[wDevID].volume) * 100) / 0xFFFFl;
2237     last_right = (HIWORD(WOutDev[wDevID].volume) * 100) / 0xFFFFl;
2238     TRACE("last_left=%ld last_right=%ld !\n", last_left, last_right);
2239     if (last_left == left && last_right == right)
2240         *lpdwVol = WOutDev[wDevID].volume;
2241     else
2242         *lpdwVol = ((left * 0xFFFFl) / 100) + (((right * 0xFFFFl) / 100) << 16);
2243     return MMSYSERR_NOERROR;
2244 }
2245
2246 /**************************************************************************
2247  *                              wodSetVolume                    [internal]
2248  */
2249 DWORD wodSetVolume(WORD wDevID, DWORD dwParam)
2250 {
2251     int         mixer;
2252     int         volume;
2253     DWORD       left, right;
2254
2255     TRACE("(%u, %08lX);\n", wDevID, dwParam);
2256
2257     left  = (LOWORD(dwParam) * 100) / 0xFFFFl;
2258     right = (HIWORD(dwParam) * 100) / 0xFFFFl;
2259     volume = left + (right << 8);
2260
2261     if (wDevID >= numOutDev) {
2262         WARN("invalid parameter: wDevID > %d\n", numOutDev);
2263         return MMSYSERR_INVALPARAM;
2264     }
2265     if ((mixer = open(WOutDev[wDevID].ossdev->mixer_name, O_WRONLY|O_NDELAY)) < 0) {
2266         WARN("open(%s) failed (%s)\n", WOutDev[wDevID].ossdev->mixer_name, strerror(errno));
2267         return MMSYSERR_NOTENABLED;
2268     }
2269     if (ioctl(mixer, SOUND_MIXER_WRITE_PCM, &volume) == -1) {
2270         WARN("ioctl(%s, SOUND_MIXER_WRITE_PCM) failed (%s)\n",
2271             WOutDev[wDevID].ossdev->mixer_name, strerror(errno));
2272         return MMSYSERR_NOTENABLED;
2273     } else {
2274         TRACE("volume=%04x\n", (unsigned)volume);
2275     }
2276     close(mixer);
2277
2278     /* save requested volume */
2279     WOutDev[wDevID].volume = dwParam;
2280
2281     return MMSYSERR_NOERROR;
2282 }
2283
2284 /**************************************************************************
2285  *                              wodMessage (WINEOSS.7)
2286  */
2287 DWORD WINAPI OSS_wodMessage(UINT wDevID, UINT wMsg, DWORD dwUser,
2288                             DWORD dwParam1, DWORD dwParam2)
2289 {
2290     TRACE("(%u, %s, %08lX, %08lX, %08lX);\n",
2291           wDevID, getMessage(wMsg), dwUser, dwParam1, dwParam2);
2292
2293     switch (wMsg) {
2294     case DRVM_INIT:
2295     case DRVM_EXIT:
2296     case DRVM_ENABLE:
2297     case DRVM_DISABLE:
2298         /* FIXME: Pretend this is supported */
2299         return 0;
2300     case WODM_OPEN:             return wodOpen          (wDevID, (LPWAVEOPENDESC)dwParam1,      dwParam2);
2301     case WODM_CLOSE:            return wodClose         (wDevID);
2302     case WODM_WRITE:            return wodWrite         (wDevID, (LPWAVEHDR)dwParam1,           dwParam2);
2303     case WODM_PAUSE:            return wodPause         (wDevID);
2304     case WODM_GETPOS:           return wodGetPosition   (wDevID, (LPMMTIME)dwParam1,            dwParam2);
2305     case WODM_BREAKLOOP:        return wodBreakLoop     (wDevID);
2306     case WODM_PREPARE:          return MMSYSERR_NOTSUPPORTED;
2307     case WODM_UNPREPARE:        return MMSYSERR_NOTSUPPORTED;
2308     case WODM_GETDEVCAPS:       return wodGetDevCaps    (wDevID, (LPWAVEOUTCAPSW)dwParam1,      dwParam2);
2309     case WODM_GETNUMDEVS:       return numOutDev;
2310     case WODM_GETPITCH:         return MMSYSERR_NOTSUPPORTED;
2311     case WODM_SETPITCH:         return MMSYSERR_NOTSUPPORTED;
2312     case WODM_GETPLAYBACKRATE:  return MMSYSERR_NOTSUPPORTED;
2313     case WODM_SETPLAYBACKRATE:  return MMSYSERR_NOTSUPPORTED;
2314     case WODM_GETVOLUME:        return wodGetVolume     (wDevID, (LPDWORD)dwParam1);
2315     case WODM_SETVOLUME:        return wodSetVolume     (wDevID, dwParam1);
2316     case WODM_RESTART:          return wodRestart       (wDevID);
2317     case WODM_RESET:            return wodReset         (wDevID);
2318
2319     case DRV_QUERYDEVICEINTERFACESIZE: return wodDevInterfaceSize      (wDevID, (LPDWORD)dwParam1);
2320     case DRV_QUERYDEVICEINTERFACE:     return wodDevInterface          (wDevID, (PWCHAR)dwParam1, dwParam2);
2321     case DRV_QUERYDSOUNDIFACE:  return wodDsCreate      (wDevID, (PIDSDRIVER*)dwParam1);
2322     case DRV_QUERYDSOUNDDESC:   return wodDsDesc        (wDevID, (PDSDRIVERDESC)dwParam1);
2323     default:
2324         FIXME("unknown message %d!\n", wMsg);
2325     }
2326     return MMSYSERR_NOTSUPPORTED;
2327 }
2328
2329 /*======================================================================*
2330  *                  Low level WAVE IN implementation                    *
2331  *======================================================================*/
2332
2333 /**************************************************************************
2334  *                      widNotifyClient                 [internal]
2335  */
2336 static DWORD widNotifyClient(WINE_WAVEIN* wwi, WORD wMsg, DWORD dwParam1, DWORD dwParam2)
2337 {
2338     TRACE("wMsg = 0x%04x (%s) dwParm1 = %04lX dwParam2 = %04lX\n", wMsg,
2339         wMsg == WIM_OPEN ? "WIM_OPEN" : wMsg == WIM_CLOSE ? "WIM_CLOSE" :
2340         wMsg == WIM_DATA ? "WIM_DATA" : "Unknown", dwParam1, dwParam2);
2341
2342     switch (wMsg) {
2343     case WIM_OPEN:
2344     case WIM_CLOSE:
2345     case WIM_DATA:
2346         if (wwi->wFlags != DCB_NULL &&
2347             !DriverCallback(wwi->waveDesc.dwCallback, wwi->wFlags,
2348                             (HDRVR)wwi->waveDesc.hWave, wMsg,
2349                             wwi->waveDesc.dwInstance, dwParam1, dwParam2)) {
2350             WARN("can't notify client !\n");
2351             return MMSYSERR_ERROR;
2352         }
2353         break;
2354     default:
2355         FIXME("Unknown callback message %u\n", wMsg);
2356         return MMSYSERR_INVALPARAM;
2357     }
2358     return MMSYSERR_NOERROR;
2359 }
2360
2361 /**************************************************************************
2362  *                      widGetDevCaps                           [internal]
2363  */
2364 static DWORD widGetDevCaps(WORD wDevID, LPWAVEINCAPSW lpCaps, DWORD dwSize)
2365 {
2366     TRACE("(%u, %p, %lu);\n", wDevID, lpCaps, dwSize);
2367
2368     if (lpCaps == NULL) return MMSYSERR_NOTENABLED;
2369
2370     if (wDevID >= numInDev) {
2371         TRACE("numOutDev reached !\n");
2372         return MMSYSERR_BADDEVICEID;
2373     }
2374
2375     memcpy(lpCaps, &WInDev[wDevID].ossdev->in_caps, min(dwSize, sizeof(*lpCaps)));
2376     return MMSYSERR_NOERROR;
2377 }
2378
2379 /**************************************************************************
2380  *                              widRecorder_ReadHeaders         [internal]
2381  */
2382 static void widRecorder_ReadHeaders(WINE_WAVEIN * wwi)
2383 {
2384     enum win_wm_message tmp_msg;
2385     DWORD               tmp_param;
2386     HANDLE              tmp_ev;
2387     WAVEHDR*            lpWaveHdr;
2388
2389     while (OSS_RetrieveRingMessage(&wwi->msgRing, &tmp_msg, &tmp_param, &tmp_ev)) {
2390         if (tmp_msg == WINE_WM_HEADER) {
2391             LPWAVEHDR*  wh;
2392             lpWaveHdr = (LPWAVEHDR)tmp_param;
2393             lpWaveHdr->lpNext = 0;
2394
2395             if (wwi->lpQueuePtr == 0)
2396                 wwi->lpQueuePtr = lpWaveHdr;
2397             else {
2398                 for (wh = &(wwi->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
2399                 *wh = lpWaveHdr;
2400             }
2401         } else {
2402             ERR("should only have headers left\n");
2403         }
2404     }
2405 }
2406
2407 /**************************************************************************
2408  *                              widRecorder                     [internal]
2409  */
2410 static  DWORD   CALLBACK        widRecorder(LPVOID pmt)
2411 {
2412     WORD                uDevID = (DWORD)pmt;
2413     WINE_WAVEIN*        wwi = (WINE_WAVEIN*)&WInDev[uDevID];
2414     WAVEHDR*            lpWaveHdr;
2415     DWORD               dwSleepTime;
2416     DWORD               bytesRead;
2417     LPVOID              buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, wwi->dwFragmentSize);
2418     char               *pOffset = buffer;
2419     audio_buf_info      info;
2420     int                 xs;
2421     enum win_wm_message msg;
2422     DWORD               param;
2423     HANDLE              ev;
2424     int                 enable;
2425
2426     wwi->state = WINE_WS_STOPPED;
2427     wwi->dwTotalRecorded = 0;
2428     wwi->dwTotalRead = 0;
2429     wwi->lpQueuePtr = NULL;
2430
2431     SetEvent(wwi->hStartUpEvent);
2432
2433     /* disable input so capture will begin when triggered */
2434     wwi->ossdev->bInputEnabled = FALSE;
2435     enable = getEnables(wwi->ossdev);
2436     if (ioctl(wwi->ossdev->fd, SNDCTL_DSP_SETTRIGGER, &enable) < 0)
2437         ERR("ioctl(%s, SNDCTL_DSP_SETTRIGGER) failed (%s)\n", wwi->ossdev->dev_name, strerror(errno));
2438
2439     /* the soundblaster live needs a micro wake to get its recording started
2440      * (or GETISPACE will have 0 frags all the time)
2441      */
2442     read(wwi->ossdev->fd, &xs, 4);
2443
2444     /* make sleep time to be # of ms to output a fragment */
2445     dwSleepTime = (wwi->dwFragmentSize * 1000) / wwi->waveFormat.Format.nAvgBytesPerSec;
2446     TRACE("sleeptime=%ld ms\n", dwSleepTime);
2447
2448     for (;;) {
2449         /* wait for dwSleepTime or an event in thread's queue */
2450         /* FIXME: could improve wait time depending on queue state,
2451          * ie, number of queued fragments
2452          */
2453
2454         if (wwi->lpQueuePtr != NULL && wwi->state == WINE_WS_PLAYING)
2455         {
2456             lpWaveHdr = wwi->lpQueuePtr;
2457
2458             ioctl(wwi->ossdev->fd, SNDCTL_DSP_GETISPACE, &info);
2459             TRACE("info={frag=%d fsize=%d ftotal=%d bytes=%d}\n", info.fragments, info.fragsize, info.fragstotal, info.bytes);
2460
2461             /* read all the fragments accumulated so far */
2462             while ((info.fragments > 0) && (wwi->lpQueuePtr))
2463             {
2464                 info.fragments --;
2465
2466                 if (lpWaveHdr->dwBufferLength - lpWaveHdr->dwBytesRecorded >= wwi->dwFragmentSize)
2467                 {
2468                     /* directly read fragment in wavehdr */
2469                     bytesRead = read(wwi->ossdev->fd,
2470                                      lpWaveHdr->lpData + lpWaveHdr->dwBytesRecorded,
2471                                      wwi->dwFragmentSize);
2472
2473                     TRACE("bytesRead=%ld (direct)\n", bytesRead);
2474                     if (bytesRead != (DWORD) -1)
2475                     {
2476                         /* update number of bytes recorded in current buffer and by this device */
2477                         lpWaveHdr->dwBytesRecorded += bytesRead;
2478                         wwi->dwTotalRead           += bytesRead;
2479                         wwi->dwTotalRecorded = wwi->dwTotalRead;
2480
2481                         /* buffer is full. notify client */
2482                         if (lpWaveHdr->dwBytesRecorded == lpWaveHdr->dwBufferLength)
2483                         {
2484                             /* must copy the value of next waveHdr, because we have no idea of what
2485                              * will be done with the content of lpWaveHdr in callback
2486                              */
2487                             LPWAVEHDR   lpNext = lpWaveHdr->lpNext;
2488
2489                             lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
2490                             lpWaveHdr->dwFlags |=  WHDR_DONE;
2491
2492                             wwi->lpQueuePtr = lpNext;
2493                             widNotifyClient(wwi, WIM_DATA, (DWORD)lpWaveHdr, 0);
2494                             lpWaveHdr = lpNext;
2495                         }
2496                     } else {
2497                         TRACE("read(%s, %p, %ld) failed (%s)\n", wwi->ossdev->dev_name,
2498                             lpWaveHdr->lpData + lpWaveHdr->dwBytesRecorded,
2499                             wwi->dwFragmentSize, strerror(errno));
2500                     }
2501                 }
2502                 else
2503                 {
2504                     /* read the fragment in a local buffer */
2505                     bytesRead = read(wwi->ossdev->fd, buffer, wwi->dwFragmentSize);
2506                     pOffset = buffer;
2507
2508                     TRACE("bytesRead=%ld (local)\n", bytesRead);
2509
2510                     if (bytesRead == (DWORD) -1) {
2511                         TRACE("read(%s, %p, %ld) failed (%s)\n", wwi->ossdev->dev_name,
2512                             buffer, wwi->dwFragmentSize, strerror(errno));
2513                         continue;
2514                     }
2515
2516                     /* copy data in client buffers */
2517                     while (bytesRead != (DWORD) -1 && bytesRead > 0)
2518                     {
2519                         DWORD dwToCopy = min (bytesRead, lpWaveHdr->dwBufferLength - lpWaveHdr->dwBytesRecorded);
2520
2521                         memcpy(lpWaveHdr->lpData + lpWaveHdr->dwBytesRecorded,
2522                                pOffset,
2523                                dwToCopy);
2524
2525                         /* update number of bytes recorded in current buffer and by this device */
2526                         lpWaveHdr->dwBytesRecorded += dwToCopy;
2527                         wwi->dwTotalRead           += dwToCopy;
2528                         wwi->dwTotalRecorded = wwi->dwTotalRead;
2529                         bytesRead -= dwToCopy;
2530                         pOffset   += dwToCopy;
2531
2532                         /* client buffer is full. notify client */
2533                         if (lpWaveHdr->dwBytesRecorded == lpWaveHdr->dwBufferLength)
2534                         {
2535                             /* must copy the value of next waveHdr, because we have no idea of what
2536                              * will be done with the content of lpWaveHdr in callback
2537                              */
2538                             LPWAVEHDR   lpNext = lpWaveHdr->lpNext;
2539                             TRACE("lpNext=%p\n", lpNext);
2540
2541                             lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
2542                             lpWaveHdr->dwFlags |=  WHDR_DONE;
2543
2544                             wwi->lpQueuePtr = lpNext;
2545                             widNotifyClient(wwi, WIM_DATA, (DWORD)lpWaveHdr, 0);
2546
2547                             lpWaveHdr = lpNext;
2548                             if (!lpNext && bytesRead) {
2549                                 /* before we give up, check for more header messages */
2550                                 while (OSS_PeekRingMessage(&wwi->msgRing, &msg, &param, &ev))
2551                                 {
2552                                     if (msg == WINE_WM_HEADER) {
2553                                         LPWAVEHDR hdr;
2554                                         OSS_RetrieveRingMessage(&wwi->msgRing, &msg, &param, &ev);
2555                                         hdr = ((LPWAVEHDR)param);
2556                                         TRACE("msg = %s, hdr = %p, ev = %p\n", getCmdString(msg), hdr, ev);
2557                                         hdr->lpNext = 0;
2558                                         if (lpWaveHdr == 0) {
2559                                             /* new head of queue */
2560                                             wwi->lpQueuePtr = lpWaveHdr = hdr;
2561                                         } else {
2562                                             /* insert buffer at the end of queue */
2563                                             LPWAVEHDR*  wh;
2564                                             for (wh = &(wwi->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
2565                                             *wh = hdr;
2566                                         }
2567                                     } else
2568                                         break;
2569                                 }
2570
2571                                 if (lpWaveHdr == 0) {
2572                                     /* no more buffer to copy data to, but we did read more.
2573                                      * what hasn't been copied will be dropped
2574                                      */
2575                                     WARN("buffer under run! %lu bytes dropped.\n", bytesRead);
2576                                     wwi->lpQueuePtr = NULL;
2577                                     break;
2578                                 }
2579                             }
2580                         }
2581                     }
2582                 }
2583             }
2584         }
2585
2586         WAIT_OMR(&wwi->msgRing, dwSleepTime);
2587
2588         while (OSS_RetrieveRingMessage(&wwi->msgRing, &msg, &param, &ev))
2589         {
2590             TRACE("msg=%s param=0x%lx\n", getCmdString(msg), param);
2591             switch (msg) {
2592             case WINE_WM_PAUSING:
2593                 wwi->state = WINE_WS_PAUSED;
2594                 /*FIXME("Device should stop recording\n");*/
2595                 SetEvent(ev);
2596                 break;
2597             case WINE_WM_STARTING:
2598                 wwi->state = WINE_WS_PLAYING;
2599
2600                 if (wwi->ossdev->bTriggerSupport)
2601                 {
2602                     /* start the recording */
2603                     wwi->ossdev->bInputEnabled = TRUE;
2604                     enable = getEnables(wwi->ossdev);
2605                     if (ioctl(wwi->ossdev->fd, SNDCTL_DSP_SETTRIGGER, &enable) < 0) {
2606                         wwi->ossdev->bInputEnabled = FALSE;
2607                         ERR("ioctl(%s, SNDCTL_DSP_SETTRIGGER) failed (%s)\n", wwi->ossdev->dev_name, strerror(errno));
2608                     }
2609                 }
2610                 else
2611                 {
2612                     unsigned char data[4];
2613                     /* read 4 bytes to start the recording */
2614                     read(wwi->ossdev->fd, data, 4);
2615                 }
2616
2617                 SetEvent(ev);
2618                 break;
2619             case WINE_WM_HEADER:
2620                 lpWaveHdr = (LPWAVEHDR)param;
2621                 lpWaveHdr->lpNext = 0;
2622
2623                 /* insert buffer at the end of queue */
2624                 {
2625                     LPWAVEHDR*  wh;
2626                     for (wh = &(wwi->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
2627                     *wh = lpWaveHdr;
2628                 }
2629                 break;
2630             case WINE_WM_STOPPING:
2631                 if (wwi->state != WINE_WS_STOPPED)
2632                 {
2633                     if (wwi->ossdev->bTriggerSupport)
2634                     {
2635                         /* stop the recording */
2636                         wwi->ossdev->bInputEnabled = FALSE;
2637                         enable = getEnables(wwi->ossdev);
2638                         if (ioctl(wwi->ossdev->fd, SNDCTL_DSP_SETTRIGGER, &enable) < 0) {
2639                             wwi->ossdev->bInputEnabled = FALSE;
2640                             ERR("ioctl(%s, SNDCTL_DSP_SETTRIGGER) failed (%s)\n", wwi->ossdev->dev_name, strerror(errno));
2641                         }
2642                     }
2643
2644                     /* read any headers in queue */
2645                     widRecorder_ReadHeaders(wwi);
2646
2647                     /* return current buffer to app */
2648                     lpWaveHdr = wwi->lpQueuePtr;
2649                     if (lpWaveHdr)
2650                     {
2651                         LPWAVEHDR       lpNext = lpWaveHdr->lpNext;
2652                         TRACE("stop %p %p\n", lpWaveHdr, lpWaveHdr->lpNext);
2653                         lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
2654                         lpWaveHdr->dwFlags |= WHDR_DONE;
2655                         wwi->lpQueuePtr = lpNext;
2656                         widNotifyClient(wwi, WIM_DATA, (DWORD)lpWaveHdr, 0);
2657                     }
2658                 }
2659                 wwi->state = WINE_WS_STOPPED;
2660                 SetEvent(ev);
2661                 break;
2662             case WINE_WM_RESETTING:
2663                 if (wwi->state != WINE_WS_STOPPED)
2664                 {
2665                     if (wwi->ossdev->bTriggerSupport)
2666                     {
2667                         /* stop the recording */
2668                         wwi->ossdev->bInputEnabled = FALSE;
2669                         enable = getEnables(wwi->ossdev);
2670                         if (ioctl(wwi->ossdev->fd, SNDCTL_DSP_SETTRIGGER, &enable) < 0) {
2671                             wwi->ossdev->bInputEnabled = FALSE;
2672                             ERR("ioctl(%s, SNDCTL_DSP_SETTRIGGER) failed (%s)\n", wwi->ossdev->dev_name, strerror(errno));
2673                         }
2674                     }
2675                 }
2676                 wwi->state = WINE_WS_STOPPED;
2677                 wwi->dwTotalRecorded = 0;
2678                 wwi->dwTotalRead = 0;
2679
2680                 /* read any headers in queue */
2681                 widRecorder_ReadHeaders(wwi);
2682
2683                 /* return all buffers to the app */
2684                 for (lpWaveHdr = wwi->lpQueuePtr; lpWaveHdr; lpWaveHdr = lpWaveHdr->lpNext) {
2685                     TRACE("reset %p %p\n", lpWaveHdr, lpWaveHdr->lpNext);
2686                     lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
2687                     lpWaveHdr->dwFlags |= WHDR_DONE;
2688                     wwi->lpQueuePtr = lpWaveHdr->lpNext;
2689                     widNotifyClient(wwi, WIM_DATA, (DWORD)lpWaveHdr, 0);
2690                 }
2691
2692                 wwi->lpQueuePtr = NULL;
2693                 SetEvent(ev);
2694                 break;
2695             case WINE_WM_UPDATE:
2696                 if (wwi->state == WINE_WS_PLAYING) {
2697                     audio_buf_info tmp_info;
2698                     if (ioctl(wwi->ossdev->fd, SNDCTL_DSP_GETISPACE, &tmp_info) < 0)
2699                         ERR("ioctl(%s, SNDCTL_DSP_GETISPACE) failed (%s)\n", wwi->ossdev->dev_name, strerror(errno));
2700                     else
2701                         wwi->dwTotalRecorded = wwi->dwTotalRead + tmp_info.bytes;
2702                 }
2703                 SetEvent(ev);
2704                 break;
2705             case WINE_WM_CLOSING:
2706                 wwi->hThread = 0;
2707                 wwi->state = WINE_WS_CLOSED;
2708                 SetEvent(ev);
2709                 HeapFree(GetProcessHeap(), 0, buffer);
2710                 ExitThread(0);
2711                 /* shouldn't go here */
2712             default:
2713                 FIXME("unknown message %d\n", msg);
2714                 break;
2715             }
2716         }
2717     }
2718     ExitThread(0);
2719     /* just for not generating compilation warnings... should never be executed */
2720     return 0;
2721 }
2722
2723
2724 /**************************************************************************
2725  *                              widOpen                         [internal]
2726  */
2727 DWORD widOpen(WORD wDevID, LPWAVEOPENDESC lpDesc, DWORD dwFlags)
2728 {
2729     WINE_WAVEIN*        wwi;
2730     audio_buf_info      info;
2731     int                 audio_fragment;
2732     DWORD               ret;
2733
2734     TRACE("(%u, %p, %08lX);\n", wDevID, lpDesc, dwFlags);
2735     if (lpDesc == NULL) {
2736         WARN("Invalid Parameter !\n");
2737         return MMSYSERR_INVALPARAM;
2738     }
2739     if (wDevID >= numInDev) {
2740         WARN("bad device id: %d >= %d\n", wDevID, numInDev);
2741         return MMSYSERR_BADDEVICEID;
2742     }
2743
2744     /* only PCM format is supported so far... */
2745     if (!supportedFormat(lpDesc->lpFormat)) {
2746         WARN("Bad format: tag=%04X nChannels=%d nSamplesPerSec=%ld !\n",
2747              lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
2748              lpDesc->lpFormat->nSamplesPerSec);
2749         return WAVERR_BADFORMAT;
2750     }
2751
2752     if (dwFlags & WAVE_FORMAT_QUERY) {
2753         TRACE("Query format: tag=%04X nChannels=%d nSamplesPerSec=%ld !\n",
2754              lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
2755              lpDesc->lpFormat->nSamplesPerSec);
2756         return MMSYSERR_NOERROR;
2757     }
2758
2759     TRACE("OSS_OpenDevice requested this format: %ldx%dx%d %s\n",
2760           lpDesc->lpFormat->nSamplesPerSec,
2761           lpDesc->lpFormat->wBitsPerSample,
2762           lpDesc->lpFormat->nChannels,
2763           lpDesc->lpFormat->wFormatTag == WAVE_FORMAT_PCM ? "WAVE_FORMAT_PCM" :
2764           lpDesc->lpFormat->wFormatTag == WAVE_FORMAT_EXTENSIBLE ? "WAVE_FORMAT_EXTENSIBLE" :
2765           "UNSUPPORTED");
2766
2767     wwi = &WInDev[wDevID];
2768
2769     if (wwi->state != WINE_WS_CLOSED) return MMSYSERR_ALLOCATED;
2770
2771     if ((dwFlags & WAVE_DIRECTSOUND) &&
2772         !(wwi->ossdev->in_caps_support & WAVECAPS_DIRECTSOUND))
2773         /* not supported, ignore it */
2774         dwFlags &= ~WAVE_DIRECTSOUND;
2775
2776     if (dwFlags & WAVE_DIRECTSOUND) {
2777         TRACE("has DirectSoundCapture driver\n");
2778         if (wwi->ossdev->in_caps_support & WAVECAPS_SAMPLEACCURATE)
2779             /* we have realtime DirectSound, fragments just waste our time,
2780              * but a large buffer is good, so choose 64KB (32 * 2^11) */
2781             audio_fragment = 0x0020000B;
2782         else
2783             /* to approximate realtime, we must use small fragments,
2784              * let's try to fragment the above 64KB (256 * 2^8) */
2785             audio_fragment = 0x01000008;
2786     } else {
2787         TRACE("doesn't have DirectSoundCapture driver\n");
2788         if (wwi->ossdev->open_count > 0) {
2789             TRACE("Using output device audio_fragment\n");
2790             /* FIXME: This may not be optimal for capture but it allows us
2791              * to do hardware playback without hardware capture. */
2792             audio_fragment = wwi->ossdev->audio_fragment;
2793         } else {
2794             /* A wave device must have a worst case latency of 10 ms so calculate
2795              * the largest fragment size less than 10 ms long.
2796              */
2797             int fsize = lpDesc->lpFormat->nAvgBytesPerSec / 100;        /* 10 ms chunk */
2798             int shift = 0;
2799             while ((1 << shift) <= fsize)
2800                 shift++;
2801             shift--;
2802             audio_fragment = 0x00100000 + shift;        /* 16 fragments of 2^shift */
2803         }
2804     }
2805
2806     TRACE("requesting %d %d byte fragments (%ld ms)\n", audio_fragment >> 16,
2807         1 << (audio_fragment & 0xffff),
2808         ((1 << (audio_fragment & 0xffff)) * 1000) / lpDesc->lpFormat->nAvgBytesPerSec);
2809
2810     ret = OSS_OpenDevice(wwi->ossdev, O_RDONLY, &audio_fragment,
2811                          1,
2812                          lpDesc->lpFormat->nSamplesPerSec,
2813                          lpDesc->lpFormat->nChannels,
2814                          (lpDesc->lpFormat->wBitsPerSample == 16)
2815                          ? AFMT_S16_LE : AFMT_U8);
2816     if (ret != 0) return ret;
2817     wwi->state = WINE_WS_STOPPED;
2818
2819     if (wwi->lpQueuePtr) {
2820         WARN("Should have an empty queue (%p)\n", wwi->lpQueuePtr);
2821         wwi->lpQueuePtr = NULL;
2822     }
2823     wwi->dwTotalRecorded = 0;
2824     wwi->dwTotalRead = 0;
2825     wwi->wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
2826
2827     memcpy(&wwi->waveDesc, lpDesc, sizeof(WAVEOPENDESC));
2828     copy_format(lpDesc->lpFormat, &wwi->waveFormat);
2829
2830     if (wwi->waveFormat.Format.wBitsPerSample == 0) {
2831         WARN("Resetting zeroed wBitsPerSample\n");
2832         wwi->waveFormat.Format.wBitsPerSample = 8 *
2833             (wwi->waveFormat.Format.nAvgBytesPerSec /
2834              wwi->waveFormat.Format.nSamplesPerSec) /
2835             wwi->waveFormat.Format.nChannels;
2836     }
2837
2838     if (ioctl(wwi->ossdev->fd, SNDCTL_DSP_GETISPACE, &info) < 0) {
2839         ERR("ioctl(%s, SNDCTL_DSP_GETISPACE) failed (%s)\n",
2840             wwi->ossdev->dev_name, strerror(errno));
2841         OSS_CloseDevice(wwi->ossdev);
2842         wwi->state = WINE_WS_CLOSED;
2843         return MMSYSERR_NOTENABLED;
2844     }
2845
2846     TRACE("got %d %d byte fragments (%d ms/fragment)\n", info.fragstotal,
2847         info.fragsize, (info.fragsize * 1000) / (wwi->ossdev->sample_rate *
2848         wwi->ossdev->channels * (wwi->ossdev->format == AFMT_U8 ? 1 : 2)));
2849
2850     wwi->dwFragmentSize = info.fragsize;
2851
2852     TRACE("dwFragmentSize=%lu\n", wwi->dwFragmentSize);
2853     TRACE("wBitsPerSample=%u, nAvgBytesPerSec=%lu, nSamplesPerSec=%lu, nChannels=%u nBlockAlign=%u!\n",
2854           wwi->waveFormat.Format.wBitsPerSample, wwi->waveFormat.Format.nAvgBytesPerSec,
2855           wwi->waveFormat.Format.nSamplesPerSec, wwi->waveFormat.Format.nChannels,
2856           wwi->waveFormat.Format.nBlockAlign);
2857
2858     OSS_InitRingMessage(&wwi->msgRing);
2859
2860     wwi->hStartUpEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
2861     wwi->hThread = CreateThread(NULL, 0, widRecorder, (LPVOID)(DWORD)wDevID, 0, &(wwi->dwThreadID));
2862     if (wwi->hThread)
2863         SetThreadPriority(wwi->hThread, THREAD_PRIORITY_TIME_CRITICAL);
2864     WaitForSingleObject(wwi->hStartUpEvent, INFINITE);
2865     CloseHandle(wwi->hStartUpEvent);
2866     wwi->hStartUpEvent = INVALID_HANDLE_VALUE;
2867
2868     return widNotifyClient(wwi, WIM_OPEN, 0L, 0L);
2869 }
2870
2871 /**************************************************************************
2872  *                              widClose                        [internal]
2873  */
2874 static DWORD widClose(WORD wDevID)
2875 {
2876     WINE_WAVEIN*        wwi;
2877
2878     TRACE("(%u);\n", wDevID);
2879     if (wDevID >= numInDev || WInDev[wDevID].state == WINE_WS_CLOSED) {
2880         WARN("can't close !\n");
2881         return MMSYSERR_INVALHANDLE;
2882     }
2883
2884     wwi = &WInDev[wDevID];
2885
2886     if (wwi->lpQueuePtr != NULL) {
2887         WARN("still buffers open !\n");
2888         return WAVERR_STILLPLAYING;
2889     }
2890
2891     OSS_AddRingMessage(&wwi->msgRing, WINE_WM_CLOSING, 0, TRUE);
2892     OSS_CloseDevice(wwi->ossdev);
2893     wwi->state = WINE_WS_CLOSED;
2894     wwi->dwFragmentSize = 0;
2895     OSS_DestroyRingMessage(&wwi->msgRing);
2896     return widNotifyClient(wwi, WIM_CLOSE, 0L, 0L);
2897 }
2898
2899 /**************************************************************************
2900  *                              widAddBuffer            [internal]
2901  */
2902 static DWORD widAddBuffer(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
2903 {
2904     TRACE("(%u, %p, %08lX);\n", wDevID, lpWaveHdr, dwSize);
2905
2906     if (wDevID >= numInDev || WInDev[wDevID].state == WINE_WS_CLOSED) {
2907         WARN("can't do it !\n");
2908         return MMSYSERR_INVALHANDLE;
2909     }
2910     if (!(lpWaveHdr->dwFlags & WHDR_PREPARED)) {
2911         TRACE("never been prepared !\n");
2912         return WAVERR_UNPREPARED;
2913     }
2914     if (lpWaveHdr->dwFlags & WHDR_INQUEUE) {
2915         TRACE("header already in use !\n");
2916         return WAVERR_STILLPLAYING;
2917     }
2918
2919     lpWaveHdr->dwFlags |= WHDR_INQUEUE;
2920     lpWaveHdr->dwFlags &= ~WHDR_DONE;
2921     lpWaveHdr->dwBytesRecorded = 0;
2922     lpWaveHdr->lpNext = NULL;
2923
2924     OSS_AddRingMessage(&WInDev[wDevID].msgRing, WINE_WM_HEADER, (DWORD)lpWaveHdr, FALSE);
2925     return MMSYSERR_NOERROR;
2926 }
2927
2928 /**************************************************************************
2929  *                      widStart                                [internal]
2930  */
2931 static DWORD widStart(WORD wDevID)
2932 {
2933     TRACE("(%u);\n", wDevID);
2934     if (wDevID >= numInDev || WInDev[wDevID].state == WINE_WS_CLOSED) {
2935         WARN("can't start recording !\n");
2936         return MMSYSERR_INVALHANDLE;
2937     }
2938
2939     OSS_AddRingMessage(&WInDev[wDevID].msgRing, WINE_WM_STARTING, 0, TRUE);
2940     return MMSYSERR_NOERROR;
2941 }
2942
2943 /**************************************************************************
2944  *                      widStop                                 [internal]
2945  */
2946 static DWORD widStop(WORD wDevID)
2947 {
2948     TRACE("(%u);\n", wDevID);
2949     if (wDevID >= numInDev || WInDev[wDevID].state == WINE_WS_CLOSED) {
2950         WARN("can't stop !\n");
2951         return MMSYSERR_INVALHANDLE;
2952     }
2953
2954     OSS_AddRingMessage(&WInDev[wDevID].msgRing, WINE_WM_STOPPING, 0, TRUE);
2955
2956     return MMSYSERR_NOERROR;
2957 }
2958
2959 /**************************************************************************
2960  *                      widReset                                [internal]
2961  */
2962 static DWORD widReset(WORD wDevID)
2963 {
2964     TRACE("(%u);\n", wDevID);
2965     if (wDevID >= numInDev || WInDev[wDevID].state == WINE_WS_CLOSED) {
2966         WARN("can't reset !\n");
2967         return MMSYSERR_INVALHANDLE;
2968     }
2969     OSS_AddRingMessage(&WInDev[wDevID].msgRing, WINE_WM_RESETTING, 0, TRUE);
2970     return MMSYSERR_NOERROR;
2971 }
2972
2973 /**************************************************************************
2974  *                              widGetPosition                  [internal]
2975  */
2976 static DWORD widGetPosition(WORD wDevID, LPMMTIME lpTime, DWORD uSize)
2977 {
2978     WINE_WAVEIN*        wwi;
2979
2980     TRACE("(%u, %p, %lu);\n", wDevID, lpTime, uSize);
2981
2982     if (wDevID >= numInDev || WInDev[wDevID].state == WINE_WS_CLOSED) {
2983         WARN("can't get pos !\n");
2984         return MMSYSERR_INVALHANDLE;
2985     }
2986
2987     if (lpTime == NULL) {
2988         WARN("invalid parameter: lpTime == NULL\n");
2989         return MMSYSERR_INVALPARAM;
2990     }
2991
2992     wwi = &WInDev[wDevID];
2993 #ifdef EXACT_WIDPOSITION
2994     if (wwi->ossdev->in_caps_support & WAVECAPS_SAMPLEACCURATE)
2995         OSS_AddRingMessage(&(wwi->msgRing), WINE_WM_UPDATE, 0, TRUE);
2996 #endif
2997
2998     return bytes_to_mmtime(lpTime, wwi->dwTotalRecorded, &wwi->waveFormat);
2999 }
3000
3001 /**************************************************************************
3002  *                              widMessage (WINEOSS.6)
3003  */
3004 DWORD WINAPI OSS_widMessage(WORD wDevID, WORD wMsg, DWORD dwUser,
3005                             DWORD dwParam1, DWORD dwParam2)
3006 {
3007     TRACE("(%u, %s, %08lX, %08lX, %08lX);\n",
3008           wDevID, getMessage(wMsg), dwUser, dwParam1, dwParam2);
3009
3010     switch (wMsg) {
3011     case DRVM_INIT:
3012     case DRVM_EXIT:
3013     case DRVM_ENABLE:
3014     case DRVM_DISABLE:
3015         /* FIXME: Pretend this is supported */
3016         return 0;
3017     case WIDM_OPEN:             return widOpen       (wDevID, (LPWAVEOPENDESC)dwParam1, dwParam2);
3018     case WIDM_CLOSE:            return widClose      (wDevID);
3019     case WIDM_ADDBUFFER:        return widAddBuffer  (wDevID, (LPWAVEHDR)dwParam1, dwParam2);
3020     case WIDM_PREPARE:          return MMSYSERR_NOTSUPPORTED;
3021     case WIDM_UNPREPARE:        return MMSYSERR_NOTSUPPORTED;
3022     case WIDM_GETDEVCAPS:       return widGetDevCaps (wDevID, (LPWAVEINCAPSW)dwParam1, dwParam2);
3023     case WIDM_GETNUMDEVS:       return numInDev;
3024     case WIDM_GETPOS:           return widGetPosition(wDevID, (LPMMTIME)dwParam1, dwParam2);
3025     case WIDM_RESET:            return widReset      (wDevID);
3026     case WIDM_START:            return widStart      (wDevID);
3027     case WIDM_STOP:             return widStop       (wDevID);
3028     case DRV_QUERYDEVICEINTERFACESIZE: return widDevInterfaceSize      (wDevID, (LPDWORD)dwParam1);
3029     case DRV_QUERYDEVICEINTERFACE:     return widDevInterface          (wDevID, (PWCHAR)dwParam1, dwParam2);
3030     case DRV_QUERYDSOUNDIFACE:  return widDsCreate   (wDevID, (PIDSCDRIVER*)dwParam1);
3031     case DRV_QUERYDSOUNDDESC:   return widDsDesc     (wDevID, (PDSDRIVERDESC)dwParam1);
3032     default:
3033         FIXME("unknown message %u!\n", wMsg);
3034     }
3035     return MMSYSERR_NOTSUPPORTED;
3036 }
3037
3038 #else /* !HAVE_OSS */
3039
3040 /**************************************************************************
3041  *                              wodMessage (WINEOSS.7)
3042  */
3043 DWORD WINAPI OSS_wodMessage(WORD wDevID, WORD wMsg, DWORD dwUser,
3044                             DWORD dwParam1, DWORD dwParam2)
3045 {
3046     FIXME("(%u, %04X, %08lX, %08lX, %08lX):stub\n", wDevID, wMsg, dwUser, dwParam1, dwParam2);
3047     return MMSYSERR_NOTENABLED;
3048 }
3049
3050 /**************************************************************************
3051  *                              widMessage (WINEOSS.6)
3052  */
3053 DWORD WINAPI OSS_widMessage(WORD wDevID, WORD wMsg, DWORD dwUser,
3054                             DWORD dwParam1, DWORD dwParam2)
3055 {
3056     FIXME("(%u, %04X, %08lX, %08lX, %08lX):stub\n", wDevID, wMsg, dwUser, dwParam1, dwParam2);
3057     return MMSYSERR_NOTENABLED;
3058 }
3059
3060 #endif /* HAVE_OSS */