git.oblomov.eu Git - wine/blob - dlls/wineoss.drv/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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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 "ks.h"
  69 #include "ksguid.h"
  70 #include "ksmedia.h"
  71 #include "initguid.h"
  72 #include "dsdriver.h"
  73 #include "oss.h"
  74 #include "wine/debug.h"
  75
  76 #include "audio.h"
  77
  78 WINE_DEFAULT_DEBUG_CHANNEL(wave);
  79
  80 /* Allow 1% deviation for sample rates (some ES137x cards) */
  81 #define NEAR_MATCH(rate1,rate2) (((100*((int)(rate1)-(int)(rate2)))/(rate1))==0)
  82
  83 #ifdef HAVE_OSS
  84
  85 OSS_DEVICE      OSS_Devices[MAX_WAVEDRV];
  86 WINE_WAVEOUT    WOutDev[MAX_WAVEDRV];
  87 WINE_WAVEIN     WInDev[MAX_WAVEDRV];
  88 unsigned        numOutDev;
  89 unsigned        numInDev;
  90
  91 /* state diagram for waveOut writing:
  92  *
  93  * +---------+-------------+---------------+---------------------------------+
  94  * |  state  |  function   |     event     |            new state            |
  95  * +---------+-------------+---------------+---------------------------------+
  96  * |         | open()      |               | STOPPED                         |
  97  * | PAUSED  | write()     |               | PAUSED                          |
  98  * | STOPPED | write()     | <thrd create> | PLAYING                         |
  99  * | PLAYING | write()     | HEADER        | PLAYING                         |
 100  * | (other) | write()     | <error>       |                                 |
 101  * | (any)   | pause()     | PAUSING       | PAUSED                          |
 102  * | PAUSED  | restart()   | RESTARTING    | PLAYING (if no thrd => STOPPED) |
 103  * | (any)   | reset()     | RESETTING     | STOPPED                         |
 104  * | (any)   | close()     | CLOSING       | CLOSED                          |
 105  * +---------+-------------+---------------+---------------------------------+
 106  */
 107
 108 /* These strings used only for tracing */
 109 static const char * getCmdString(enum win_wm_message msg)
 110 {
 111     static char unknown[32];
 112 #define MSG_TO_STR(x) case x: return #x
 113     switch(msg) {
 114     MSG_TO_STR(WINE_WM_PAUSING);
 115     MSG_TO_STR(WINE_WM_RESTARTING);
 116     MSG_TO_STR(WINE_WM_RESETTING);
 117     MSG_TO_STR(WINE_WM_HEADER);
 118     MSG_TO_STR(WINE_WM_UPDATE);
 119     MSG_TO_STR(WINE_WM_BREAKLOOP);
 120     MSG_TO_STR(WINE_WM_CLOSING);
 121     MSG_TO_STR(WINE_WM_STARTING);
 122     MSG_TO_STR(WINE_WM_STOPPING);
 123     }
 124 #undef MSG_TO_STR
 125     sprintf(unknown, "UNKNOWN(0x%08x)", msg);
 126     return unknown;
 127 }
 128
 129 int getEnables(OSS_DEVICE *ossdev)
 130 {
 131     return ( (ossdev->bOutputEnabled ? PCM_ENABLE_OUTPUT : 0) |
 132              (ossdev->bInputEnabled  ? PCM_ENABLE_INPUT  : 0) );
 133 }
 134
 135 static const char * getMessage(UINT msg)
 136 {
 137     static char unknown[32];
 138 #define MSG_TO_STR(x) case x: return #x
 139     switch(msg) {
 140     MSG_TO_STR(DRVM_INIT);
 141     MSG_TO_STR(DRVM_EXIT);
 142     MSG_TO_STR(DRVM_ENABLE);
 143     MSG_TO_STR(DRVM_DISABLE);
 144     MSG_TO_STR(WIDM_OPEN);
 145     MSG_TO_STR(WIDM_CLOSE);
 146     MSG_TO_STR(WIDM_ADDBUFFER);
 147     MSG_TO_STR(WIDM_PREPARE);
 148     MSG_TO_STR(WIDM_UNPREPARE);
 149     MSG_TO_STR(WIDM_GETDEVCAPS);
 150     MSG_TO_STR(WIDM_GETNUMDEVS);
 151     MSG_TO_STR(WIDM_GETPOS);
 152     MSG_TO_STR(WIDM_RESET);
 153     MSG_TO_STR(WIDM_START);
 154     MSG_TO_STR(WIDM_STOP);
 155     MSG_TO_STR(WODM_OPEN);
 156     MSG_TO_STR(WODM_CLOSE);
 157     MSG_TO_STR(WODM_WRITE);
 158     MSG_TO_STR(WODM_PAUSE);
 159     MSG_TO_STR(WODM_GETPOS);
 160     MSG_TO_STR(WODM_BREAKLOOP);
 161     MSG_TO_STR(WODM_PREPARE);
 162     MSG_TO_STR(WODM_UNPREPARE);
 163     MSG_TO_STR(WODM_GETDEVCAPS);
 164     MSG_TO_STR(WODM_GETNUMDEVS);
 165     MSG_TO_STR(WODM_GETPITCH);
 166     MSG_TO_STR(WODM_SETPITCH);
 167     MSG_TO_STR(WODM_GETPLAYBACKRATE);
 168     MSG_TO_STR(WODM_SETPLAYBACKRATE);
 169     MSG_TO_STR(WODM_GETVOLUME);
 170     MSG_TO_STR(WODM_SETVOLUME);
 171     MSG_TO_STR(WODM_RESTART);
 172     MSG_TO_STR(WODM_RESET);
 173     MSG_TO_STR(DRV_QUERYDEVICEINTERFACESIZE);
 174     MSG_TO_STR(DRV_QUERYDEVICEINTERFACE);
 175     MSG_TO_STR(DRV_QUERYDSOUNDIFACE);
 176     MSG_TO_STR(DRV_QUERYDSOUNDDESC);
 177     }
 178 #undef MSG_TO_STR
 179     sprintf(unknown, "UNKNOWN(0x%04x)", msg);
 180     return unknown;
 181 }
 182
 183 static DWORD wodDevInterfaceSize(UINT wDevID, LPDWORD dwParam1)
 184 {
 185     TRACE("(%u, %p)\n", wDevID, dwParam1);
 186
 187     *dwParam1 = MultiByteToWideChar(CP_ACP, 0, WOutDev[wDevID].ossdev->interface_name, -1,
 188                                     NULL, 0 ) * sizeof(WCHAR);
 189     return MMSYSERR_NOERROR;
 190 }
 191
 192 static DWORD wodDevInterface(UINT wDevID, PWCHAR dwParam1, DWORD dwParam2)
 193 {
 194     if (dwParam2 >= MultiByteToWideChar(CP_ACP, 0, WOutDev[wDevID].ossdev->interface_name, -1,
 195                                         NULL, 0 ) * sizeof(WCHAR))
 196     {
 197         MultiByteToWideChar(CP_ACP, 0, WOutDev[wDevID].ossdev->interface_name, -1,
 198                             dwParam1, dwParam2 / sizeof(WCHAR));
 199         return MMSYSERR_NOERROR;
 200     }
 201
 202     return MMSYSERR_INVALPARAM;
 203 }
 204
 205 static DWORD widDevInterfaceSize(UINT wDevID, LPDWORD dwParam1)
 206 {
 207     TRACE("(%u, %p)\n", wDevID, dwParam1);
 208
 209     *dwParam1 = MultiByteToWideChar(CP_ACP, 0, WInDev[wDevID].ossdev->interface_name, -1,
 210                                     NULL, 0 ) * sizeof(WCHAR);
 211     return MMSYSERR_NOERROR;
 212 }
 213
 214 static DWORD widDevInterface(UINT wDevID, PWCHAR dwParam1, DWORD dwParam2)
 215 {
 216     if (dwParam2 >= MultiByteToWideChar(CP_ACP, 0, WInDev[wDevID].ossdev->interface_name, -1,
 217                                         NULL, 0 ) * sizeof(WCHAR))
 218     {
 219         MultiByteToWideChar(CP_ACP, 0, WInDev[wDevID].ossdev->interface_name, -1,
 220                             dwParam1, dwParam2 / sizeof(WCHAR));
 221         return MMSYSERR_NOERROR;
 222     }
 223
 224     return MMSYSERR_INVALPARAM;
 225 }
 226
 227 static DWORD bytes_to_mmtime(LPMMTIME lpTime, DWORD position,
 228                              WAVEFORMATPCMEX* format)
 229 {
 230     TRACE("wType=%04X wBitsPerSample=%u nSamplesPerSec=%u nChannels=%u nAvgBytesPerSec=%u\n",
 231           lpTime->wType, format->Format.wBitsPerSample, format->Format.nSamplesPerSec,
 232           format->Format.nChannels, format->Format.nAvgBytesPerSec);
 233     TRACE("Position in bytes=%u\n", position);
 234
 235     switch (lpTime->wType) {
 236     case TIME_SAMPLES:
 237         lpTime->u.sample = position / (format->Format.wBitsPerSample / 8 * format->Format.nChannels);
 238         TRACE("TIME_SAMPLES=%u\n", lpTime->u.sample);
 239         break;
 240     case TIME_MS:
 241         lpTime->u.ms = 1000.0 * position / (format->Format.wBitsPerSample / 8 * format->Format.nChannels * format->Format.nSamplesPerSec);
 242         TRACE("TIME_MS=%u\n", lpTime->u.ms);
 243         break;
 244     case TIME_SMPTE:
 245         lpTime->u.smpte.fps = 30;
 246         position = position / (format->Format.wBitsPerSample / 8 * format->Format.nChannels);
 247         position += (format->Format.nSamplesPerSec / lpTime->u.smpte.fps) - 1; /* round up */
 248         lpTime->u.smpte.sec = position / format->Format.nSamplesPerSec;
 249         position -= lpTime->u.smpte.sec * format->Format.nSamplesPerSec;
 250         lpTime->u.smpte.min = lpTime->u.smpte.sec / 60;
 251         lpTime->u.smpte.sec -= 60 * lpTime->u.smpte.min;
 252         lpTime->u.smpte.hour = lpTime->u.smpte.min / 60;
 253         lpTime->u.smpte.min -= 60 * lpTime->u.smpte.hour;
 254         lpTime->u.smpte.fps = 30;
 255         lpTime->u.smpte.frame = position * lpTime->u.smpte.fps / format->Format.nSamplesPerSec;
 256         TRACE("TIME_SMPTE=%02u:%02u:%02u:%02u\n",
 257               lpTime->u.smpte.hour, lpTime->u.smpte.min,
 258               lpTime->u.smpte.sec, lpTime->u.smpte.frame);
 259         break;
 260     default:
 261         WARN("Format %d not supported, using TIME_BYTES !\n", lpTime->wType);
 262         lpTime->wType = TIME_BYTES;
 263         /* fall through */
 264     case TIME_BYTES:
 265         lpTime->u.cb = position;
 266         TRACE("TIME_BYTES=%u\n", lpTime->u.cb);
 267         break;
 268     }
 269     return MMSYSERR_NOERROR;
 270 }
 271
 272 static BOOL supportedFormat(LPWAVEFORMATEX wf)
 273 {
 274     TRACE("(%p)\n",wf);
 275
 276     if (wf->nSamplesPerSec<DSBFREQUENCY_MIN||wf->nSamplesPerSec>DSBFREQUENCY_MAX)
 277         return FALSE;
 278
 279     if (wf->wFormatTag == WAVE_FORMAT_PCM) {
 280         if (wf->nChannels >= 1 && wf->nChannels <= MAX_CHANNELS) {
 281             if (wf->wBitsPerSample==8||wf->wBitsPerSample==16)
 282                 return TRUE;
 283         }
 284     } else if (wf->wFormatTag == WAVE_FORMAT_EXTENSIBLE) {
 285         WAVEFORMATEXTENSIBLE * wfex = (WAVEFORMATEXTENSIBLE *)wf;
 286
 287         if (wf->cbSize == 22 && IsEqualGUID(&wfex->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM)) {
 288             if (wf->nChannels >=1 && wf->nChannels <= MAX_CHANNELS) {
 289                 if (wf->wBitsPerSample==wfex->Samples.wValidBitsPerSample) {
 290                     if (wf->wBitsPerSample==8||wf->wBitsPerSample==16)
 291                         return TRUE;
 292                 } else
 293                     WARN("wBitsPerSample != wValidBitsPerSample not supported yet\n");
 294             }
 295         } else
 296             WARN("only KSDATAFORMAT_SUBTYPE_PCM supported\n");
 297     } else
 298         WARN("only WAVE_FORMAT_PCM and WAVE_FORMAT_EXTENSIBLE supported\n");
 299
 300     return FALSE;
 301 }
 302
 303 void copy_format(LPWAVEFORMATEX wf1, LPWAVEFORMATPCMEX wf2)
 304 {
 305     ZeroMemory(wf2, sizeof(wf2));
 306     if (wf1->wFormatTag == WAVE_FORMAT_PCM)
 307         memcpy(wf2, wf1, sizeof(PCMWAVEFORMAT));
 308     else if (wf1->wFormatTag == WAVE_FORMAT_EXTENSIBLE)
 309         memcpy(wf2, wf1, sizeof(WAVEFORMATPCMEX));
 310     else
 311         memcpy(wf2, wf1, sizeof(WAVEFORMATEX) + wf1->cbSize);
 312 }
 313
 314 /*======================================================================*
 315  *                  Low level WAVE implementation                       *
 316  *======================================================================*/
 317
 318 /******************************************************************
 319  *              OSS_RawOpenDevice
 320  *
 321  * Low level device opening (from values stored in ossdev)
 322  */
 323 static DWORD      OSS_RawOpenDevice(OSS_DEVICE* ossdev, int strict_format)
 324 {
 325     int fd, val, rc;
 326     TRACE("(%p,%d)\n",ossdev,strict_format);
 327
 328     TRACE("open_access=%s\n",
 329         ossdev->open_access == O_RDONLY ? "O_RDONLY" :
 330         ossdev->open_access == O_WRONLY ? "O_WRONLY" :
 331         ossdev->open_access == O_RDWR ? "O_RDWR" : "Unknown");
 332
 333     if ((fd = open(ossdev->dev_name, ossdev->open_access|O_NDELAY, 0)) == -1)
 334     {
 335         WARN("Couldn't open %s (%s)\n", ossdev->dev_name, strerror(errno));
 336         return (errno == EBUSY) ? MMSYSERR_ALLOCATED : MMSYSERR_ERROR;
 337     }
 338     fcntl(fd, F_SETFD, 1); /* set close on exec flag */
 339     /* turn full duplex on if it has been requested */
 340     if (ossdev->open_access == O_RDWR && ossdev->full_duplex) {
 341         rc = ioctl(fd, SNDCTL_DSP_SETDUPLEX, 0);
 342         /* on *BSD, as full duplex is always enabled by default, this ioctl
 343          * will fail with EINVAL
 344          * so, we don't consider EINVAL an error here
 345          */
 346         if (rc != 0 && errno != EINVAL) {
 347             WARN("ioctl(%s, SNDCTL_DSP_SETDUPLEX) failed (%s)\n", ossdev->dev_name, strerror(errno));
 348             goto error2;
 349         }
 350     }
 351
 352     if (ossdev->audio_fragment) {
 353         rc = ioctl(fd, SNDCTL_DSP_SETFRAGMENT, &ossdev->audio_fragment);
 354         if (rc != 0) {
 355             ERR("ioctl(%s, SNDCTL_DSP_SETFRAGMENT) failed (%s)\n", ossdev->dev_name, strerror(errno));
 356             goto error2;
 357         }
 358     }
 359
 360     /* First size and channels then samplerate */
 361     if (ossdev->format>=0)
 362     {
 363         val = ossdev->format;
 364         rc = ioctl(fd, SNDCTL_DSP_SETFMT, &ossdev->format);
 365         if (rc != 0 || val != ossdev->format) {
 366             TRACE("Can't set format to %d (returned %d)\n", val, ossdev->format);
 367             if (strict_format)
 368                 goto error;
 369         }
 370     }
 371     if (ossdev->channels>=0)
 372     {
 373         val = ossdev->channels;
 374         rc = ioctl(fd, SNDCTL_DSP_CHANNELS, &ossdev->channels);
 375         if (rc != 0 || val != ossdev->channels) {
 376             TRACE("Can't set channels to %u (returned %d)\n", val, ossdev->channels);
 377             if (strict_format)
 378                 goto error;
 379         }
 380     }
 381     if (ossdev->sample_rate>=0)
 382     {
 383         val = ossdev->sample_rate;
 384         rc = ioctl(fd, SNDCTL_DSP_SPEED, &ossdev->sample_rate);
 385         if (rc != 0 || !NEAR_MATCH(val, ossdev->sample_rate)) {
 386             TRACE("Can't set sample_rate to %u (returned %d)\n", val, ossdev->sample_rate);
 387             if (strict_format)
 388                 goto error;
 389         }
 390     }
 391     ossdev->fd = fd;
 392
 393     ossdev->bOutputEnabled = TRUE;      /* OSS enables by default */
 394     ossdev->bInputEnabled  = TRUE;      /* OSS enables by default */
 395     if (ossdev->open_access == O_RDONLY)
 396         ossdev->bOutputEnabled = FALSE;
 397     if (ossdev->open_access == O_WRONLY)
 398         ossdev->bInputEnabled = FALSE;
 399
 400     if (ossdev->bTriggerSupport) {
 401         int trigger;
 402         trigger = getEnables(ossdev);
 403         /* If we do not have full duplex, but they opened RDWR
 404         ** (as you have to in order for an mmap to succeed)
 405         ** then we start out with input off
 406         */
 407         if (ossdev->open_access == O_RDWR && !ossdev->full_duplex &&
 408             ossdev->bInputEnabled && ossdev->bOutputEnabled) {
 409             ossdev->bInputEnabled  = FALSE;
 410             trigger &= ~PCM_ENABLE_INPUT;
 411             ioctl(fd, SNDCTL_DSP_SETTRIGGER, &trigger);
 412         }
 413     }
 414
 415     return MMSYSERR_NOERROR;
 416
 417 error:
 418     close(fd);
 419     return WAVERR_BADFORMAT;
 420 error2:
 421     close(fd);
 422     return MMSYSERR_ERROR;
 423 }
 424
 425 /******************************************************************
 426  *              OSS_OpenDevice
 427  *
 428  * since OSS has poor capabilities in full duplex, we try here to let a program
 429  * open the device for both waveout and wavein streams...
 430  * this is hackish, but it's the way OSS interface is done...
 431  */
 432 DWORD OSS_OpenDevice(OSS_DEVICE* ossdev, unsigned req_access,
 433                             int* frag, int strict_format,
 434                             int sample_rate, int channels, int fmt)
 435 {
 436     DWORD       ret;
 437     DWORD open_access;
 438     TRACE("(%p,%u,%p,%d,%d,%d,%x)\n",ossdev,req_access,frag,strict_format,sample_rate,channels,fmt);
 439
 440     if (ossdev->full_duplex && (req_access == O_RDONLY || req_access == O_WRONLY))
 441     {
 442         TRACE("Opening RDWR because full_duplex=%d and req_access=%d\n",
 443               ossdev->full_duplex,req_access);
 444         open_access = O_RDWR;
 445     }
 446     else
 447     {
 448         open_access=req_access;
 449     }
 450
 451     /* FIXME: this should be protected, and it also contains a race with OSS_CloseDevice */
 452     if (ossdev->open_count == 0)
 453     {
 454         if (access(ossdev->dev_name, 0) != 0) return MMSYSERR_NODRIVER;
 455
 456         ossdev->audio_fragment = (frag) ? *frag : 0;
 457         ossdev->sample_rate = sample_rate;
 458         ossdev->channels = channels;
 459         ossdev->format = fmt;
 460         ossdev->open_access = open_access;
 461         ossdev->owner_tid = GetCurrentThreadId();
 462
 463         if ((ret = OSS_RawOpenDevice(ossdev,strict_format)) != MMSYSERR_NOERROR) return ret;
 464         if (ossdev->full_duplex && ossdev->bTriggerSupport &&
 465             (req_access == O_RDONLY || req_access == O_WRONLY))
 466         {
 467             int enable;
 468             if (req_access == O_WRONLY)
 469                 ossdev->bInputEnabled=0;
 470             else
 471                 ossdev->bOutputEnabled=0;
 472             enable = getEnables(ossdev);
 473             TRACE("Calling SNDCTL_DSP_SETTRIGGER with %x\n",enable);
 474             if (ioctl(ossdev->fd, SNDCTL_DSP_SETTRIGGER, &enable) < 0)
 475                 ERR("ioctl(%s, SNDCTL_DSP_SETTRIGGER, %d) failed (%s)\n",ossdev->dev_name, enable, strerror(errno));
 476         }
 477     }
 478     else
 479     {
 480         /* check we really open with the same parameters */
 481         if (ossdev->open_access != open_access)
 482         {
 483             ERR("FullDuplex: Mismatch in access. Your sound device is not full duplex capable.\n");
 484             return WAVERR_BADFORMAT;
 485         }
 486
 487         /* check if the audio parameters are the same */
 488         if (ossdev->sample_rate != sample_rate ||
 489             ossdev->channels != channels ||
 490             ossdev->format != fmt)
 491         {
 492             /* This is not a fatal error because MSACM might do the remapping */
 493             WARN("FullDuplex: mismatch in PCM parameters for input and output\n"
 494                  "OSS doesn't allow us different parameters\n"
 495                  "audio_frag(%x/%x) sample_rate(%d/%d) channels(%d/%d) fmt(%d/%d)\n",
 496                  ossdev->audio_fragment, frag ? *frag : 0,
 497                  ossdev->sample_rate, sample_rate,
 498                  ossdev->channels, channels,
 499                  ossdev->format, fmt);
 500             return WAVERR_BADFORMAT;
 501         }
 502         /* check if the fragment sizes are the same */
 503         if (ossdev->audio_fragment != (frag ? *frag : 0) )
 504         {
 505             ERR("FullDuplex: Playback and Capture hardware acceleration levels are different.\n"
 506                 "Please run winecfg, open \"Audio\" page and set\n"
 507                 "\"Hardware Acceleration\" to \"Emulation\".\n");
 508             return WAVERR_BADFORMAT;
 509         }
 510         if (GetCurrentThreadId() != ossdev->owner_tid)
 511         {
 512             WARN("Another thread is trying to access audio...\n");
 513             return MMSYSERR_ERROR;
 514         }
 515         if (ossdev->full_duplex && ossdev->bTriggerSupport &&
 516             (req_access == O_RDONLY || req_access == O_WRONLY))
 517         {
 518             int enable;
 519             if (req_access == O_WRONLY)
 520                 ossdev->bOutputEnabled=1;
 521             else
 522                 ossdev->bInputEnabled=1;
 523             enable = getEnables(ossdev);
 524             TRACE("Calling SNDCTL_DSP_SETTRIGGER with %x\n",enable);
 525             if (ioctl(ossdev->fd, SNDCTL_DSP_SETTRIGGER, &enable) < 0)
 526                 ERR("ioctl(%s, SNDCTL_DSP_SETTRIGGER, %d) failed (%s)\n",ossdev->dev_name, enable, strerror(errno));
 527         }
 528     }
 529
 530     ossdev->open_count++;
 531
 532     return MMSYSERR_NOERROR;
 533 }
 534
 535 /******************************************************************
 536  *              OSS_CloseDevice
 537  *
 538  *
 539  */
 540 void    OSS_CloseDevice(OSS_DEVICE* ossdev)
 541 {
 542     TRACE("(%p)\n",ossdev);
 543     if (ossdev->open_count>0) {
 544         ossdev->open_count--;
 545     } else {
 546         WARN("OSS_CloseDevice called too many times\n");
 547     }
 548     if (ossdev->open_count == 0)
 549     {
 550         fcntl(ossdev->fd, F_SETFL, fcntl(ossdev->fd, F_GETFL) & ~O_NDELAY);
 551         /* reset the device before we close it in case it is in a bad state */
 552         ioctl(ossdev->fd, SNDCTL_DSP_RESET, 0);
 553         if (close(ossdev->fd) != 0) FIXME("Cannot close %d: %s\n", ossdev->fd, strerror(errno));
 554     }
 555 }
 556
 557 /******************************************************************
 558  *              OSS_ResetDevice
 559  *
 560  * Resets the device. OSS Commercial requires the device to be closed
 561  * after a SNDCTL_DSP_RESET ioctl call... this function implements
 562  * this behavior...
 563  * FIXME: This causes problems when doing full duplex so we really
 564  * only reset when not doing full duplex. We need to do this better
 565  * someday.
 566  */
 567 static DWORD     OSS_ResetDevice(OSS_DEVICE* ossdev)
 568 {
 569     DWORD       ret = MMSYSERR_NOERROR;
 570     int         old_fd = ossdev->fd;
 571     TRACE("(%p)\n", ossdev);
 572
 573     if (ossdev->open_count == 1) {
 574         if (ioctl(ossdev->fd, SNDCTL_DSP_RESET, NULL) == -1)
 575         {
 576             perror("ioctl SNDCTL_DSP_RESET");
 577             return -1;
 578         }
 579         close(ossdev->fd);
 580         ret = OSS_RawOpenDevice(ossdev, 1);
 581         TRACE("Changing fd from %d to %d\n", old_fd, ossdev->fd);
 582     } else
 583         WARN("Not resetting device because it is in full duplex mode!\n");
 584
 585     return ret;
 586 }
 587
 588 static const int win_std_oss_fmts[2]={AFMT_U8,AFMT_S16_LE};
 589 static const int win_std_rates[5]={96000,48000,44100,22050,11025};
 590 static const int win_std_formats[2][2][5]=
 591     {{{WAVE_FORMAT_96M08, WAVE_FORMAT_48M08, WAVE_FORMAT_4M08,
 592        WAVE_FORMAT_2M08,  WAVE_FORMAT_1M08},
 593       {WAVE_FORMAT_96S08, WAVE_FORMAT_48S08, WAVE_FORMAT_4S08,
 594        WAVE_FORMAT_2S08,  WAVE_FORMAT_1S08}},
 595      {{WAVE_FORMAT_96M16, WAVE_FORMAT_48M16, WAVE_FORMAT_4M16,
 596        WAVE_FORMAT_2M16,  WAVE_FORMAT_1M16},
 597       {WAVE_FORMAT_96S16, WAVE_FORMAT_48S16, WAVE_FORMAT_4S16,
 598        WAVE_FORMAT_2S16,  WAVE_FORMAT_1S16}},
 599     };
 600
 601 static void OSS_Info(int fd)
 602 {
 603     /* Note that this only reports the formats supported by the hardware.
 604      * The driver may support other formats and do the conversions in
 605      * software which is why we don't use this value
 606      */
 607     int oss_mask, oss_caps;
 608     if (ioctl(fd, SNDCTL_DSP_GETFMTS, &oss_mask) >= 0) {
 609         TRACE("Formats=%08x ( ", oss_mask);
 610         if (oss_mask & AFMT_MU_LAW) TRACE("AFMT_MU_LAW ");
 611         if (oss_mask & AFMT_A_LAW) TRACE("AFMT_A_LAW ");
 612         if (oss_mask & AFMT_IMA_ADPCM) TRACE("AFMT_IMA_ADPCM ");
 613         if (oss_mask & AFMT_U8) TRACE("AFMT_U8 ");
 614         if (oss_mask & AFMT_S16_LE) TRACE("AFMT_S16_LE ");
 615         if (oss_mask & AFMT_S16_BE) TRACE("AFMT_S16_BE ");
 616         if (oss_mask & AFMT_S8) TRACE("AFMT_S8 ");
 617         if (oss_mask & AFMT_U16_LE) TRACE("AFMT_U16_LE ");
 618         if (oss_mask & AFMT_U16_BE) TRACE("AFMT_U16_BE ");
 619         if (oss_mask & AFMT_MPEG) TRACE("AFMT_MPEG ");
 620 #ifdef AFMT_AC3
 621         if (oss_mask & AFMT_AC3) TRACE("AFMT_AC3 ");
 622 #endif
 623 #ifdef AFMT_VORBIS
 624         if (oss_mask & AFMT_VORBIS) TRACE("AFMT_VORBIS ");
 625 #endif
 626 #ifdef AFMT_S32_LE
 627         if (oss_mask & AFMT_S32_LE) TRACE("AFMT_S32_LE ");
 628 #endif
 629 #ifdef AFMT_S32_BE
 630         if (oss_mask & AFMT_S32_BE) TRACE("AFMT_S32_BE ");
 631 #endif
 632 #ifdef AFMT_FLOAT
 633         if (oss_mask & AFMT_FLOAT) TRACE("AFMT_FLOAT ");
 634 #endif
 635 #ifdef AFMT_S24_LE
 636         if (oss_mask & AFMT_S24_LE) TRACE("AFMT_S24_LE ");
 637 #endif
 638 #ifdef AFMT_S24_BE
 639         if (oss_mask & AFMT_S24_BE) TRACE("AFMT_S24_BE ");
 640 #endif
 641 #ifdef AFMT_SPDIF_RAW
 642         if (oss_mask & AFMT_SPDIF_RAW) TRACE("AFMT_SPDIF_RAW ");
 643 #endif
 644         TRACE(")\n");
 645     }
 646     if (ioctl(fd, SNDCTL_DSP_GETCAPS, &oss_caps) >= 0) {
 647         TRACE("Caps=%08x\n",oss_caps);
 648         TRACE("\tRevision: %d\n", oss_caps&DSP_CAP_REVISION);
 649         TRACE("\tDuplex: %s\n", oss_caps & DSP_CAP_DUPLEX ? "true" : "false");
 650         TRACE("\tRealtime: %s\n", oss_caps & DSP_CAP_REALTIME ? "true" : "false");
 651         TRACE("\tBatch: %s\n", oss_caps & DSP_CAP_BATCH ? "true" : "false");
 652         TRACE("\tCoproc: %s\n", oss_caps & DSP_CAP_COPROC ? "true" : "false");
 653         TRACE("\tTrigger: %s\n", oss_caps & DSP_CAP_TRIGGER ? "true" : "false");
 654         TRACE("\tMmap: %s\n", oss_caps & DSP_CAP_MMAP ? "true" : "false");
 655 #ifdef DSP_CAP_MULTI
 656         TRACE("\tMulti: %s\n", oss_caps & DSP_CAP_MULTI ? "true" : "false");
 657 #endif
 658 #ifdef DSP_CAP_BIND
 659         TRACE("\tBind: %s\n", oss_caps & DSP_CAP_BIND ? "true" : "false");
 660 #endif
 661 #ifdef DSP_CAP_INPUT
 662         TRACE("\tInput: %s\n", oss_caps & DSP_CAP_INPUT ? "true" : "false");
 663 #endif
 664 #ifdef DSP_CAP_OUTPUT
 665         TRACE("\tOutput: %s\n", oss_caps & DSP_CAP_OUTPUT ? "true" : "false");
 666 #endif
 667 #ifdef DSP_CAP_VIRTUAL
 668         TRACE("\tVirtual: %s\n", oss_caps & DSP_CAP_VIRTUAL ? "true" : "false");
 669 #endif
 670 #ifdef DSP_CAP_ANALOGOUT
 671         TRACE("\tAnalog Out: %s\n", oss_caps & DSP_CAP_ANALOGOUT ? "true" : "false");
 672 #endif
 673 #ifdef DSP_CAP_ANALOGIN
 674         TRACE("\tAnalog In: %s\n", oss_caps & DSP_CAP_ANALOGIN ? "true" : "false");
 675 #endif
 676 #ifdef DSP_CAP_DIGITALOUT
 677         TRACE("\tDigital Out: %s\n", oss_caps & DSP_CAP_DIGITALOUT ? "true" : "false");
 678 #endif
 679 #ifdef DSP_CAP_DIGITALIN
 680         TRACE("\tDigital In: %s\n", oss_caps & DSP_CAP_DIGITALIN ? "true" : "false");
 681 #endif
 682 #ifdef DSP_CAP_ADMASK
 683         TRACE("\tA/D Mask: %s\n", oss_caps & DSP_CAP_ADMASK ? "true" : "false");
 684 #endif
 685 #ifdef DSP_CAP_SHADOW
 686         TRACE("\tShadow: %s\n", oss_caps & DSP_CAP_SHADOW ? "true" : "false");
 687 #endif
 688 #ifdef DSP_CH_MASK
 689         TRACE("\tChannel Mask: %x\n", oss_caps & DSP_CH_MASK);
 690 #endif
 691 #ifdef DSP_CAP_SLAVE
 692         TRACE("\tSlave: %s\n", oss_caps & DSP_CAP_SLAVE ? "true" : "false");
 693 #endif
 694     }
 695 }
 696
 697 /******************************************************************
 698  *              OSS_WaveOutInit
 699  *
 700  *
 701  */
 702 static BOOL OSS_WaveOutInit(OSS_DEVICE* ossdev)
 703 {
 704     int rc,arg;
 705     int f,c,r;
 706     BOOL has_mixer = FALSE;
 707     TRACE("(%p) %s\n", ossdev, ossdev->dev_name);
 708
 709     if (OSS_OpenDevice(ossdev, O_WRONLY, NULL, 0,-1,-1,-1) != 0)
 710         return FALSE;
 711
 712     ioctl(ossdev->fd, SNDCTL_DSP_RESET, 0);
 713
 714 #if defined(SNDCTL_MIXERINFO)
 715     {
 716         int mixer;
 717         if ((mixer = open(ossdev->mixer_name, O_RDONLY|O_NDELAY)) >= 0) {
 718             oss_mixerinfo info;
 719             info.dev = 0;
 720             if (ioctl(mixer, SNDCTL_MIXERINFO, &info) >= 0) {
 721                 lstrcpynA(ossdev->ds_desc.szDesc, info.name, sizeof(info.name));
 722                 strcpy(ossdev->ds_desc.szDrvname, "wineoss.drv");
 723                 MultiByteToWideChar(CP_ACP, 0, info.name, sizeof(info.name),
 724                                     ossdev->out_caps.szPname,
 725                                     sizeof(ossdev->out_caps.szPname) / sizeof(WCHAR));
 726                 TRACE("%s: %s\n", ossdev->mixer_name, ossdev->ds_desc.szDesc);
 727                 has_mixer = TRUE;
 728             } else {
 729                 WARN("%s: cannot read SNDCTL_MIXERINFO!\n", ossdev->mixer_name);
 730             }
 731             close(mixer);
 732         } else {
 733             WARN("open(%s) failed (%s)\n", ossdev->mixer_name , strerror(errno));
 734         }
 735     }
 736 #elif defined(SOUND_MIXER_INFO)
 737     {
 738         int mixer;
 739         if ((mixer = open(ossdev->mixer_name, O_RDONLY|O_NDELAY)) >= 0) {
 740             mixer_info info;
 741             if (ioctl(mixer, SOUND_MIXER_INFO, &info) >= 0) {
 742                 lstrcpynA(ossdev->ds_desc.szDesc, info.name, sizeof(info.name));
 743                 strcpy(ossdev->ds_desc.szDrvname, "wineoss.drv");
 744                 MultiByteToWideChar(CP_ACP, 0, info.name, sizeof(info.name),
 745                                     ossdev->out_caps.szPname,
 746                                     sizeof(ossdev->out_caps.szPname) / sizeof(WCHAR));
 747                 TRACE("%s: %s\n", ossdev->mixer_name, ossdev->ds_desc.szDesc);
 748                 has_mixer = TRUE;
 749             } else {
 750                 /* FreeBSD up to at least 5.2 provides this ioctl, but does not
 751                  * implement it properly, and there are probably similar issues
 752                  * on other platforms, so we warn but try to go ahead.
 753                  */
 754                 WARN("%s: cannot read SOUND_MIXER_INFO!\n", ossdev->mixer_name);
 755             }
 756             close(mixer);
 757         } else {
 758             WARN("open(%s) failed (%s)\n", ossdev->mixer_name , strerror(errno));
 759         }
 760     }
 761 #endif /* SOUND_MIXER_INFO */
 762
 763     if (WINE_TRACE_ON(wave))
 764         OSS_Info(ossdev->fd);
 765
 766     ossdev->out_caps.wMid = 0x00FF; /* Manufac ID */
 767     ossdev->out_caps.wPid = 0x0001; /* Product ID */
 768
 769     ossdev->out_caps.vDriverVersion = 0x0100;
 770     ossdev->out_caps.wChannels = 1;
 771     ossdev->out_caps.dwFormats = 0x00000000;
 772     ossdev->out_caps.wReserved1 = 0;
 773     ossdev->out_caps.dwSupport = has_mixer ? WAVECAPS_VOLUME : 0;
 774
 775     /* direct sound caps */
 776     ossdev->ds_caps.dwFlags = DSCAPS_CERTIFIED;
 777     ossdev->ds_caps.dwFlags |= DSCAPS_SECONDARY8BIT;
 778     ossdev->ds_caps.dwFlags |= DSCAPS_SECONDARY16BIT;
 779     ossdev->ds_caps.dwFlags |= DSCAPS_SECONDARYMONO;
 780     ossdev->ds_caps.dwFlags |= DSCAPS_SECONDARYSTEREO;
 781     ossdev->ds_caps.dwFlags |= DSCAPS_CONTINUOUSRATE;
 782
 783     ossdev->ds_caps.dwPrimaryBuffers = 1;
 784     ossdev->ds_caps.dwMinSecondarySampleRate = DSBFREQUENCY_MIN;
 785     ossdev->ds_caps.dwMaxSecondarySampleRate = DSBFREQUENCY_MAX;
 786
 787     /* We must first set the format and the stereo mode as some sound cards
 788      * may support 44kHz mono but not 44kHz stereo. Also we must
 789      * systematically check the return value of these ioctls as they will
 790      * always succeed (see OSS Linux) but will modify the parameter to match
 791      * whatever they support. The OSS specs also say we must first set the
 792      * sample size, then the stereo and then the sample rate.
 793      */
 794     for (f=0;f<2;f++) {
 795         arg=win_std_oss_fmts[f];
 796         rc=ioctl(ossdev->fd, SNDCTL_DSP_SAMPLESIZE, &arg);
 797         if (rc!=0 || arg!=win_std_oss_fmts[f]) {
 798             TRACE("DSP_SAMPLESIZE: rc=%d returned %d for %d\n",
 799                   rc,arg,win_std_oss_fmts[f]);
 800             continue;
 801         }
 802         if (f == 0)
 803             ossdev->ds_caps.dwFlags |= DSCAPS_PRIMARY8BIT;
 804         else if (f == 1)
 805             ossdev->ds_caps.dwFlags |= DSCAPS_PRIMARY16BIT;
 806
 807         for (c = 1; c <= MAX_CHANNELS; c++) {
 808             arg=c;
 809             rc=ioctl(ossdev->fd, SNDCTL_DSP_CHANNELS, &arg);
 810             if( rc == -1) break;
 811             if (rc!=0 || arg!=c) {
 812                 TRACE("DSP_CHANNELS: rc=%d returned %d for %d\n",rc,arg,c);
 813                 continue;
 814             }
 815             if (c == 1) {
 816                 ossdev->ds_caps.dwFlags |= DSCAPS_PRIMARYMONO;
 817             } else if (c == 2) {
 818                 ossdev->out_caps.wChannels = 2;
 819                 if (has_mixer)
 820                     ossdev->out_caps.dwSupport|=WAVECAPS_LRVOLUME;
 821                 ossdev->ds_caps.dwFlags |= DSCAPS_PRIMARYSTEREO;
 822             } else
 823                 ossdev->out_caps.wChannels = c;
 824
 825             for (r=0;r<sizeof(win_std_rates)/sizeof(*win_std_rates);r++) {
 826                 arg=win_std_rates[r];
 827                 rc=ioctl(ossdev->fd, SNDCTL_DSP_SPEED, &arg);
 828                 TRACE("DSP_SPEED: rc=%d returned %d for %dx%dx%d\n",
 829                       rc,arg,win_std_rates[r],win_std_oss_fmts[f],c);
 830                 if (rc==0 && arg!=0 && NEAR_MATCH(arg,win_std_rates[r]) && c < 3)
 831                     ossdev->out_caps.dwFormats|=win_std_formats[f][c-1][r];
 832             }
 833         }
 834     }
 835
 836     if (ioctl(ossdev->fd, SNDCTL_DSP_GETCAPS, &arg) == 0) {
 837         if (arg & DSP_CAP_TRIGGER)
 838             ossdev->bTriggerSupport = TRUE;
 839         if ((arg & DSP_CAP_REALTIME) && !(arg & DSP_CAP_BATCH)) {
 840             ossdev->out_caps.dwSupport |= WAVECAPS_SAMPLEACCURATE;
 841         }
 842         /* well, might as well use the DirectSound cap flag for something */
 843         if ((arg & DSP_CAP_TRIGGER) && (arg & DSP_CAP_MMAP) &&
 844             !(arg & DSP_CAP_BATCH)) {
 845             ossdev->out_caps.dwSupport |= WAVECAPS_DIRECTSOUND;
 846         } else {
 847             ossdev->ds_caps.dwFlags |= DSCAPS_EMULDRIVER;
 848         }
 849 #ifdef DSP_CAP_MULTI    /* not every oss has this */
 850         /* check for hardware secondary buffer support (multi open) */
 851         if ((arg & DSP_CAP_MULTI) &&
 852             (ossdev->out_caps.dwSupport & WAVECAPS_DIRECTSOUND)) {
 853             TRACE("hardware secondary buffer support available\n");
 854
 855             ossdev->ds_caps.dwMaxHwMixingAllBuffers = 16;
 856             ossdev->ds_caps.dwMaxHwMixingStaticBuffers = 0;
 857             ossdev->ds_caps.dwMaxHwMixingStreamingBuffers = 16;
 858
 859             ossdev->ds_caps.dwFreeHwMixingAllBuffers = 16;
 860             ossdev->ds_caps.dwFreeHwMixingStaticBuffers = 0;
 861             ossdev->ds_caps.dwFreeHwMixingStreamingBuffers = 16;
 862         }
 863 #endif
 864     }
 865     OSS_CloseDevice(ossdev);
 866     TRACE("out wChannels = %d, dwFormats = %08X, dwSupport = %08X\n",
 867           ossdev->out_caps.wChannels, ossdev->out_caps.dwFormats,
 868           ossdev->out_caps.dwSupport);
 869     return TRUE;
 870 }
 871
 872 /******************************************************************
 873  *              OSS_WaveInInit
 874  *
 875  *
 876  */
 877 static BOOL OSS_WaveInInit(OSS_DEVICE* ossdev)
 878 {
 879     int rc,arg;
 880     int f,c,r;
 881     TRACE("(%p) %s\n", ossdev, ossdev->dev_name);
 882
 883     if (OSS_OpenDevice(ossdev, O_RDONLY, NULL, 0,-1,-1,-1) != 0)
 884         return FALSE;
 885
 886     ioctl(ossdev->fd, SNDCTL_DSP_RESET, 0);
 887
 888 #if defined(SNDCTL_MIXERINFO)
 889     {
 890         int mixer;
 891         if ((mixer = open(ossdev->mixer_name, O_RDONLY|O_NDELAY)) >= 0) {
 892             oss_mixerinfo info;
 893             info.dev = 0;
 894             if (ioctl(mixer, SNDCTL_MIXERINFO, &info) >= 0) {
 895                 MultiByteToWideChar(CP_ACP, 0, info.name, -1,
 896                                     ossdev->in_caps.szPname,
 897                                     sizeof(ossdev->in_caps.szPname) / sizeof(WCHAR));
 898                 TRACE("%s: %s\n", ossdev->mixer_name, ossdev->ds_desc.szDesc);
 899             } else {
 900                 WARN("%s: cannot read SNDCTL_MIXERINFO!\n", ossdev->mixer_name);
 901             }
 902             close(mixer);
 903         } else {
 904             WARN("open(%s) failed (%s)\n", ossdev->mixer_name, strerror(errno));
 905         }
 906     }
 907 #elif defined(SOUND_MIXER_INFO)
 908     {
 909         int mixer;
 910         if ((mixer = open(ossdev->mixer_name, O_RDONLY|O_NDELAY)) >= 0) {
 911             mixer_info info;
 912             if (ioctl(mixer, SOUND_MIXER_INFO, &info) >= 0) {
 913                 MultiByteToWideChar(CP_ACP, 0, info.name, -1,
 914                                     ossdev->in_caps.szPname,
 915                                     sizeof(ossdev->in_caps.szPname) / sizeof(WCHAR));
 916                 TRACE("%s: %s\n", ossdev->mixer_name, ossdev->ds_desc.szDesc);
 917             } else {
 918                 /* FreeBSD up to at least 5.2 provides this ioctl, but does not
 919                  * implement it properly, and there are probably similar issues
 920                  * on other platforms, so we warn but try to go ahead.
 921                  */
 922                 WARN("%s: cannot read SOUND_MIXER_INFO!\n", ossdev->mixer_name);
 923             }
 924             close(mixer);
 925         } else {
 926             WARN("open(%s) failed (%s)\n", ossdev->mixer_name, strerror(errno));
 927         }
 928     }
 929 #endif /* SOUND_MIXER_INFO */
 930
 931     if (WINE_TRACE_ON(wave))
 932         OSS_Info(ossdev->fd);
 933
 934     ossdev->in_caps.wMid = 0x00FF; /* Manufac ID */
 935     ossdev->in_caps.wPid = 0x0001; /* Product ID */
 936
 937     ossdev->in_caps.dwFormats = 0x00000000;
 938     ossdev->in_caps.wChannels = 1;
 939     ossdev->in_caps.wReserved1 = 0;
 940
 941     /* direct sound caps */
 942     ossdev->dsc_caps.dwSize = sizeof(ossdev->dsc_caps);
 943     ossdev->dsc_caps.dwFlags = 0;
 944     ossdev->dsc_caps.dwFormats = 0x00000000;
 945     ossdev->dsc_caps.dwChannels = 1;
 946
 947     /* See the comment in OSS_WaveOutInit for the loop order */
 948     for (f=0;f<2;f++) {
 949         arg=win_std_oss_fmts[f];
 950         rc=ioctl(ossdev->fd, SNDCTL_DSP_SAMPLESIZE, &arg);
 951         if (rc!=0 || arg!=win_std_oss_fmts[f]) {
 952             TRACE("DSP_SAMPLESIZE: rc=%d returned 0x%x for 0x%x\n",
 953                   rc,arg,win_std_oss_fmts[f]);
 954             continue;
 955         }
 956
 957         for (c = 1; c <= MAX_CHANNELS; c++) {
 958             arg=c;
 959             rc=ioctl(ossdev->fd, SNDCTL_DSP_CHANNELS, &arg);
 960             if( rc == -1) break;
 961             if (rc!=0 || arg!=c) {
 962                 TRACE("DSP_CHANNELS: rc=%d returned %d for %d\n",rc,arg,c);
 963                 continue;
 964             }
 965             if (c > 1) {
 966                 ossdev->in_caps.wChannels = c;
 967                 ossdev->dsc_caps.dwChannels = c;
 968             }
 969
 970             for (r=0;r<sizeof(win_std_rates)/sizeof(*win_std_rates);r++) {
 971                 arg=win_std_rates[r];
 972                 rc=ioctl(ossdev->fd, SNDCTL_DSP_SPEED, &arg);
 973                 TRACE("DSP_SPEED: rc=%d returned %d for %dx%dx%d\n",rc,arg,win_std_rates[r],win_std_oss_fmts[f],c);
 974                 if (rc==0 && NEAR_MATCH(arg,win_std_rates[r]) && c < 3)
 975                     ossdev->in_caps.dwFormats|=win_std_formats[f][c-1][r];
 976                     ossdev->dsc_caps.dwFormats|=win_std_formats[f][c-1][r];
 977             }
 978         }
 979     }
 980
 981     if (ioctl(ossdev->fd, SNDCTL_DSP_GETCAPS, &arg) == 0) {
 982         if (arg & DSP_CAP_TRIGGER)
 983             ossdev->bTriggerSupport = TRUE;
 984         if ((arg & DSP_CAP_TRIGGER) && (arg & DSP_CAP_MMAP) &&
 985             !(arg & DSP_CAP_BATCH)) {
 986             /* FIXME: enable the next statement if you want to work on the driver */
 987 #if 0
 988             ossdev->in_caps_support |= WAVECAPS_DIRECTSOUND;
 989 #endif
 990         }
 991         if ((arg & DSP_CAP_REALTIME) && !(arg & DSP_CAP_BATCH))
 992             ossdev->in_caps_support |= WAVECAPS_SAMPLEACCURATE;
 993     }
 994     OSS_CloseDevice(ossdev);
 995     TRACE("in wChannels = %d, dwFormats = %08X, in_caps_support = %08X\n",
 996         ossdev->in_caps.wChannels, ossdev->in_caps.dwFormats, ossdev->in_caps_support);
 997     return TRUE;
 998 }
 999
1000 /******************************************************************
1001  *              OSS_WaveFullDuplexInit
1002  *
1003  *
1004  */
1005 static void OSS_WaveFullDuplexInit(OSS_DEVICE* ossdev)
1006 {
1007     int rc,arg;
1008     int f,c,r;
1009     int caps;
1010     BOOL has_mixer = FALSE;
1011     TRACE("(%p) %s\n", ossdev, ossdev->dev_name);
1012
1013     /* The OSS documentation says we must call SNDCTL_SETDUPLEX
1014      * *before* checking for SNDCTL_DSP_GETCAPS otherwise we may
1015      * get the wrong result. This ioctl must even be done before
1016      * setting the fragment size so that only OSS_RawOpenDevice is
1017      * in a position to do it. So we set full_duplex speculatively
1018      * and adjust right after.
1019      */
1020     ossdev->full_duplex=1;
1021     rc=OSS_OpenDevice(ossdev, O_RDWR, NULL, 0,-1,-1,-1);
1022     ossdev->full_duplex=0;
1023     if (rc != 0)
1024         return;
1025
1026     ioctl(ossdev->fd, SNDCTL_DSP_RESET, 0);
1027
1028 #if defined(SNDCTL_MIXERINFO)
1029     {
1030         int mixer;
1031         if ((mixer = open(ossdev->mixer_name, O_RDWR|O_NDELAY)) >= 0) {
1032             oss_mixerinfo info;
1033             info.dev = 0;
1034             if (ioctl(mixer, SNDCTL_MIXERINFO, &info) >= 0) {
1035                 has_mixer = TRUE;
1036             } else {
1037                 WARN("%s: cannot read SNDCTL_MIXERINFO!\n", ossdev->mixer_name);
1038             }
1039             close(mixer);
1040         } else {
1041             WARN("open(%s) failed (%s)\n", ossdev->mixer_name , strerror(errno));
1042         }
1043     }
1044 #elif defined(SOUND_MIXER_INFO)
1045     {
1046         int mixer;
1047         if ((mixer = open(ossdev->mixer_name, O_RDWR|O_NDELAY)) >= 0) {
1048             mixer_info info;
1049             if (ioctl(mixer, SOUND_MIXER_INFO, &info) >= 0) {
1050                 has_mixer = TRUE;
1051             } else {
1052                 /* FreeBSD up to at least 5.2 provides this ioctl, but does not
1053                  * implement it properly, and there are probably similar issues
1054                  * on other platforms, so we warn but try to go ahead.
1055                  */
1056                 WARN("%s: cannot read SOUND_MIXER_INFO!\n", ossdev->mixer_name);
1057             }
1058             close(mixer);
1059         } else {
1060             WARN("open(%s) failed (%s)\n", ossdev->mixer_name , strerror(errno));
1061         }
1062     }
1063 #endif /* SOUND_MIXER_INFO */
1064
1065     TRACE("%s\n", ossdev->ds_desc.szDesc);
1066
1067     if (ioctl(ossdev->fd, SNDCTL_DSP_GETCAPS, &caps) == 0)
1068         ossdev->full_duplex = (caps & DSP_CAP_DUPLEX);
1069
1070     ossdev->duplex_out_caps = ossdev->out_caps;
1071
1072     ossdev->duplex_out_caps.wChannels = 1;
1073     ossdev->duplex_out_caps.dwFormats = 0x00000000;
1074     ossdev->duplex_out_caps.dwSupport = has_mixer ? WAVECAPS_VOLUME : 0;
1075
1076     if (WINE_TRACE_ON(wave))
1077         OSS_Info(ossdev->fd);
1078
1079     /* See the comment in OSS_WaveOutInit for the loop order */
1080     for (f=0;f<2;f++) {
1081         arg=win_std_oss_fmts[f];
1082         rc=ioctl(ossdev->fd, SNDCTL_DSP_SAMPLESIZE, &arg);
1083         if (rc!=0 || arg!=win_std_oss_fmts[f]) {
1084             TRACE("DSP_SAMPLESIZE: rc=%d returned 0x%x for 0x%x\n",
1085                   rc,arg,win_std_oss_fmts[f]);
1086             continue;
1087         }
1088
1089         for (c = 1; c <= MAX_CHANNELS; c++) {
1090             arg=c;
1091             rc=ioctl(ossdev->fd, SNDCTL_DSP_CHANNELS, &arg);
1092             if( rc == -1) break;
1093             if (rc!=0 || arg!=c) {
1094                 TRACE("DSP_CHANNELS: rc=%d returned %d for %d\n",rc,arg,c);
1095                 continue;
1096             }
1097             if (c == 1) {
1098                 ossdev->ds_caps.dwFlags |= DSCAPS_PRIMARYMONO;
1099             } else if (c == 2) {
1100                 ossdev->duplex_out_caps.wChannels = 2;
1101                 if (has_mixer)
1102                     ossdev->duplex_out_caps.dwSupport|=WAVECAPS_LRVOLUME;
1103                 ossdev->ds_caps.dwFlags |= DSCAPS_PRIMARYSTEREO;
1104             } else
1105                 ossdev->duplex_out_caps.wChannels = c;
1106
1107             for (r=0;r<sizeof(win_std_rates)/sizeof(*win_std_rates);r++) {
1108                 arg=win_std_rates[r];
1109                 rc=ioctl(ossdev->fd, SNDCTL_DSP_SPEED, &arg);
1110                 TRACE("DSP_SPEED: rc=%d returned %d for %dx%dx%d\n",
1111                       rc,arg,win_std_rates[r],win_std_oss_fmts[f],c);
1112                 if (rc==0 && arg!=0 && NEAR_MATCH(arg,win_std_rates[r]) && c < 3)
1113                     ossdev->duplex_out_caps.dwFormats|=win_std_formats[f][c-1][r];
1114             }
1115         }
1116     }
1117
1118     if (ioctl(ossdev->fd, SNDCTL_DSP_GETCAPS, &arg) == 0) {
1119         if ((arg & DSP_CAP_REALTIME) && !(arg & DSP_CAP_BATCH)) {
1120             ossdev->duplex_out_caps.dwSupport |= WAVECAPS_SAMPLEACCURATE;
1121         }
1122         /* well, might as well use the DirectSound cap flag for something */
1123         if ((arg & DSP_CAP_TRIGGER) && (arg & DSP_CAP_MMAP) &&
1124             !(arg & DSP_CAP_BATCH)) {
1125             ossdev->duplex_out_caps.dwSupport |= WAVECAPS_DIRECTSOUND;
1126         }
1127     }
1128     OSS_CloseDevice(ossdev);
1129     TRACE("duplex wChannels = %d, dwFormats = %08X, dwSupport = %08X\n",
1130           ossdev->duplex_out_caps.wChannels,
1131           ossdev->duplex_out_caps.dwFormats,
1132           ossdev->duplex_out_caps.dwSupport);
1133 }
1134
1135 static char* StrDup(const char* str, const char* def)
1136 {
1137     char* dst;
1138     if (str==NULL)
1139         str=def;
1140     dst=HeapAlloc(GetProcessHeap(),0,strlen(str)+1);
1141     strcpy(dst, str);
1142     return dst;
1143 }
1144
1145 /******************************************************************
1146  *              OSS_WaveInit
1147  *
1148  * Initialize internal structures from OSS information
1149  */
1150 LRESULT OSS_WaveInit(void)
1151 {
1152     char* str;
1153     int i;
1154
1155     TRACE("()\n");
1156
1157     str=getenv("AUDIODEV");
1158     if (str!=NULL)
1159     {
1160         OSS_Devices[0].dev_name=StrDup(str,"");
1161         OSS_Devices[0].mixer_name=StrDup(getenv("MIXERDEV"),"/dev/mixer");
1162         for (i = 1; i < MAX_WAVEDRV; ++i)
1163         {
1164             OSS_Devices[i].dev_name=StrDup("",NULL);
1165             OSS_Devices[i].mixer_name=StrDup("",NULL);
1166         }
1167     }
1168     else
1169     {
1170         OSS_Devices[0].dev_name=StrDup("/dev/dsp",NULL);
1171         OSS_Devices[0].mixer_name=StrDup("/dev/mixer",NULL);
1172         for (i = 1; i < MAX_WAVEDRV; ++i)
1173         {
1174             OSS_Devices[i].dev_name=HeapAlloc(GetProcessHeap(),0,11);
1175             sprintf(OSS_Devices[i].dev_name, "/dev/dsp%d", i);
1176             OSS_Devices[i].mixer_name=HeapAlloc(GetProcessHeap(),0,13);
1177             sprintf(OSS_Devices[i].mixer_name, "/dev/mixer%d", i);
1178         }
1179     }
1180
1181     for (i = 0; i < MAX_WAVEDRV; ++i)
1182     {
1183         OSS_Devices[i].interface_name=HeapAlloc(GetProcessHeap(),0,9+strlen(OSS_Devices[i].dev_name)+1);
1184         sprintf(OSS_Devices[i].interface_name, "wineoss: %s", OSS_Devices[i].dev_name);
1185     }
1186
1187     /* start with output devices */
1188     for (i = 0; i < MAX_WAVEDRV; ++i)
1189     {
1190         if (*OSS_Devices[i].dev_name=='\0' || OSS_WaveOutInit(&OSS_Devices[i]))
1191         {
1192             WOutDev[numOutDev].state = WINE_WS_CLOSED;
1193             WOutDev[numOutDev].ossdev = &OSS_Devices[i];
1194             WOutDev[numOutDev].volume = 0xffffffff;
1195             numOutDev++;
1196         }
1197     }
1198
1199     /* then do input devices */
1200     for (i = 0; i < MAX_WAVEDRV; ++i)
1201     {
1202         if (*OSS_Devices[i].dev_name=='\0' || OSS_WaveInInit(&OSS_Devices[i]))
1203         {
1204             WInDev[numInDev].state = WINE_WS_CLOSED;
1205             WInDev[numInDev].ossdev = &OSS_Devices[i];
1206             numInDev++;
1207         }
1208     }
1209
1210     /* finish with the full duplex bits */
1211     for (i = 0; i < MAX_WAVEDRV; i++)
1212         if (*OSS_Devices[i].dev_name!='\0')
1213             OSS_WaveFullDuplexInit(&OSS_Devices[i]);
1214
1215     TRACE("%d wave out devices\n", numOutDev);
1216     for (i = 0; i < numOutDev; i++) {
1217         TRACE("%d: %s, %s, %s\n", i, WOutDev[i].ossdev->dev_name,
1218               WOutDev[i].ossdev->mixer_name, WOutDev[i].ossdev->interface_name);
1219     }
1220
1221     TRACE("%d wave in devices\n", numInDev);
1222     for (i = 0; i < numInDev; i++) {
1223         TRACE("%d: %s, %s, %s\n", i, WInDev[i].ossdev->dev_name,
1224               WInDev[i].ossdev->mixer_name, WInDev[i].ossdev->interface_name);
1225     }
1226
1227     return 0;
1228 }
1229
1230 /******************************************************************
1231  *              OSS_WaveExit
1232  *
1233  * Delete/clear internal structures of OSS information
1234  */
1235 LRESULT OSS_WaveExit(void)
1236 {
1237     int i;
1238     TRACE("()\n");
1239
1240     for (i = 0; i < MAX_WAVEDRV; ++i)
1241     {
1242         HeapFree(GetProcessHeap(), 0, OSS_Devices[i].dev_name);
1243         HeapFree(GetProcessHeap(), 0, OSS_Devices[i].mixer_name);
1244         HeapFree(GetProcessHeap(), 0, OSS_Devices[i].interface_name);
1245     }
1246
1247     ZeroMemory(OSS_Devices, sizeof(OSS_Devices));
1248     ZeroMemory(WOutDev, sizeof(WOutDev));
1249     ZeroMemory(WInDev, sizeof(WInDev));
1250
1251     numOutDev = 0;
1252     numInDev = 0;
1253
1254     return 0;
1255 }
1256
1257 /******************************************************************
1258  *              OSS_InitRingMessage
1259  *
1260  * Initialize the ring of messages for passing between driver's caller and playback/record
1261  * thread
1262  */
1263 static int OSS_InitRingMessage(OSS_MSG_RING* omr)
1264 {
1265     omr->msg_toget = 0;
1266     omr->msg_tosave = 0;
1267 #ifdef USE_PIPE_SYNC
1268     if (pipe(omr->msg_pipe) < 0) {
1269         omr->msg_pipe[0] = -1;
1270         omr->msg_pipe[1] = -1;
1271         ERR("could not create pipe, error=%s\n", strerror(errno));
1272     }
1273 #else
1274     omr->msg_event = CreateEventW(NULL, FALSE, FALSE, NULL);
1275 #endif
1276     omr->ring_buffer_size = OSS_RING_BUFFER_INCREMENT;
1277     omr->messages = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,omr->ring_buffer_size * sizeof(OSS_MSG));
1278     InitializeCriticalSection(&omr->msg_crst);
1279     omr->msg_crst.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": OSS_MSG_RING.msg_crst");
1280     return 0;
1281 }
1282
1283 /******************************************************************
1284  *              OSS_DestroyRingMessage
1285  *
1286  */
1287 static int OSS_DestroyRingMessage(OSS_MSG_RING* omr)
1288 {
1289 #ifdef USE_PIPE_SYNC
1290     close(omr->msg_pipe[0]);
1291     close(omr->msg_pipe[1]);
1292 #else
1293     CloseHandle(omr->msg_event);
1294 #endif
1295     HeapFree(GetProcessHeap(),0,omr->messages);
1296     omr->msg_crst.DebugInfo->Spare[0] = 0;
1297     DeleteCriticalSection(&omr->msg_crst);
1298     return 0;
1299 }
1300
1301 /******************************************************************
1302  *              OSS_AddRingMessage
1303  *
1304  * Inserts a new message into the ring (should be called from DriverProc derivated routines)
1305  */
1306 static int OSS_AddRingMessage(OSS_MSG_RING* omr, enum win_wm_message msg, DWORD param, BOOL wait)
1307 {
1308     HANDLE      hEvent = INVALID_HANDLE_VALUE;
1309
1310     EnterCriticalSection(&omr->msg_crst);
1311     if ((omr->msg_toget == ((omr->msg_tosave + 1) % omr->ring_buffer_size)))
1312     {
1313         int old_ring_buffer_size = omr->ring_buffer_size;
1314         omr->ring_buffer_size += OSS_RING_BUFFER_INCREMENT;
1315         TRACE("omr->ring_buffer_size=%d\n",omr->ring_buffer_size);
1316         omr->messages = HeapReAlloc(GetProcessHeap(),0,omr->messages, omr->ring_buffer_size * sizeof(OSS_MSG));
1317         /* Now we need to rearrange the ring buffer so that the new
1318            buffers just allocated are in between omr->msg_tosave and
1319            omr->msg_toget.
1320         */
1321         if (omr->msg_tosave < omr->msg_toget)
1322         {
1323             memmove(&(omr->messages[omr->msg_toget + OSS_RING_BUFFER_INCREMENT]),
1324                     &(omr->messages[omr->msg_toget]),
1325                     sizeof(OSS_MSG)*(old_ring_buffer_size - omr->msg_toget)
1326                     );
1327             omr->msg_toget += OSS_RING_BUFFER_INCREMENT;
1328         }
1329     }
1330     if (wait)
1331     {
1332         hEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
1333         if (hEvent == INVALID_HANDLE_VALUE)
1334         {
1335             ERR("can't create event !?\n");
1336             LeaveCriticalSection(&omr->msg_crst);
1337             return 0;
1338         }
1339         if (omr->msg_toget != omr->msg_tosave && omr->messages[omr->msg_toget].msg != WINE_WM_HEADER)
1340             FIXME("two fast messages in the queue!!!! toget = %d(%s), tosave=%d(%s)\n",
1341             omr->msg_toget,getCmdString(omr->messages[omr->msg_toget].msg),
1342             omr->msg_tosave,getCmdString(omr->messages[omr->msg_tosave].msg));
1343
1344         /* fast messages have to be added at the start of the queue */
1345         omr->msg_toget = (omr->msg_toget + omr->ring_buffer_size - 1) % omr->ring_buffer_size;
1346         omr->messages[omr->msg_toget].msg = msg;
1347         omr->messages[omr->msg_toget].param = param;
1348         omr->messages[omr->msg_toget].hEvent = hEvent;
1349     }
1350     else
1351     {
1352         omr->messages[omr->msg_tosave].msg = msg;
1353         omr->messages[omr->msg_tosave].param = param;
1354         omr->messages[omr->msg_tosave].hEvent = INVALID_HANDLE_VALUE;
1355         omr->msg_tosave = (omr->msg_tosave + 1) % omr->ring_buffer_size;
1356     }
1357     LeaveCriticalSection(&omr->msg_crst);
1358     /* signal a new message */
1359     SIGNAL_OMR(omr);
1360     if (wait)
1361     {
1362         /* wait for playback/record thread to have processed the message */
1363         WaitForSingleObject(hEvent, INFINITE);
1364         CloseHandle(hEvent);
1365     }
1366     return 1;
1367 }
1368
1369 /******************************************************************
1370  *              OSS_RetrieveRingMessage
1371  *
1372  * Get a message from the ring. Should be called by the playback/record thread.
1373  */
1374 static int OSS_RetrieveRingMessage(OSS_MSG_RING* omr,
1375                                    enum win_wm_message *msg, DWORD *param, HANDLE *hEvent)
1376 {
1377     EnterCriticalSection(&omr->msg_crst);
1378
1379     if (omr->msg_toget == omr->msg_tosave) /* buffer empty ? */
1380     {
1381         LeaveCriticalSection(&omr->msg_crst);
1382         return 0;
1383     }
1384
1385     *msg = omr->messages[omr->msg_toget].msg;
1386     omr->messages[omr->msg_toget].msg = 0;
1387     *param = omr->messages[omr->msg_toget].param;
1388     *hEvent = omr->messages[omr->msg_toget].hEvent;
1389     omr->msg_toget = (omr->msg_toget + 1) % omr->ring_buffer_size;
1390     CLEAR_OMR(omr);
1391     LeaveCriticalSection(&omr->msg_crst);
1392     return 1;
1393 }
1394
1395 /******************************************************************
1396  *              OSS_PeekRingMessage
1397  *
1398  * Peek at a message from the ring but do not remove it.
1399  * Should be called by the playback/record thread.
1400  */
1401 static int OSS_PeekRingMessage(OSS_MSG_RING* omr,
1402                                enum win_wm_message *msg,
1403                                DWORD *param, HANDLE *hEvent)
1404 {
1405     EnterCriticalSection(&omr->msg_crst);
1406
1407     if (omr->msg_toget == omr->msg_tosave) /* buffer empty ? */
1408     {
1409         LeaveCriticalSection(&omr->msg_crst);
1410         return 0;
1411     }
1412
1413     *msg = omr->messages[omr->msg_toget].msg;
1414     *param = omr->messages[omr->msg_toget].param;
1415     *hEvent = omr->messages[omr->msg_toget].hEvent;
1416     LeaveCriticalSection(&omr->msg_crst);
1417     return 1;
1418 }
1419
1420 /*======================================================================*
1421  *                  Low level WAVE OUT implementation                   *
1422  *======================================================================*/
1423
1424 /**************************************************************************
1425  *                      wodNotifyClient                 [internal]
1426  */
1427 static DWORD wodNotifyClient(WINE_WAVEOUT* wwo, WORD wMsg, DWORD dwParam1, DWORD dwParam2)
1428 {
1429     TRACE("wMsg = 0x%04x (%s) dwParm1 = %04X dwParam2 = %04X\n", wMsg,
1430         wMsg == WOM_OPEN ? "WOM_OPEN" : wMsg == WOM_CLOSE ? "WOM_CLOSE" :
1431         wMsg == WOM_DONE ? "WOM_DONE" : "Unknown", dwParam1, dwParam2);
1432
1433     switch (wMsg) {
1434     case WOM_OPEN:
1435     case WOM_CLOSE:
1436     case WOM_DONE:
1437         if (wwo->wFlags != DCB_NULL &&
1438             !DriverCallback(wwo->waveDesc.dwCallback, wwo->wFlags,
1439                             (HDRVR)wwo->waveDesc.hWave, wMsg,
1440                             wwo->waveDesc.dwInstance, dwParam1, dwParam2)) {
1441             WARN("can't notify client !\n");
1442             return MMSYSERR_ERROR;
1443         }
1444         break;
1445     default:
1446         FIXME("Unknown callback message %u\n", wMsg);
1447         return MMSYSERR_INVALPARAM;
1448     }
1449     return MMSYSERR_NOERROR;
1450 }
1451
1452 /**************************************************************************
1453  *                              wodUpdatePlayedTotal    [internal]
1454  *
1455  */
1456 static BOOL wodUpdatePlayedTotal(WINE_WAVEOUT* wwo, audio_buf_info* info)
1457 {
1458     audio_buf_info dspspace;
1459     DWORD notplayed;
1460     if (!info) info = &dspspace;
1461
1462     if (ioctl(wwo->ossdev->fd, SNDCTL_DSP_GETOSPACE, info) < 0) {
1463         ERR("ioctl(%s, SNDCTL_DSP_GETOSPACE) failed (%s)\n", wwo->ossdev->dev_name, strerror(errno));
1464         return FALSE;
1465     }
1466
1467     /* GETOSPACE is not always accurate when we're down to the last fragment or two;
1468     **   we try to accommodate that here by assuming that the dsp is empty by looking
1469     **   at the clock rather than the result of GETOSPACE */
1470     notplayed = wwo->dwBufferSize - info->bytes;
1471     if (notplayed > 0 && notplayed < (info->fragsize * 2))
1472     {
1473         if (wwo->dwProjectedFinishTime && GetTickCount() >= wwo->dwProjectedFinishTime)
1474         {
1475             TRACE("Adjusting for a presumed OSS bug and assuming all data has been played.\n");
1476             wwo->dwPlayedTotal = wwo->dwWrittenTotal;
1477             return TRUE;
1478         }
1479         else
1480             /* Some OSS drivers will clean up nicely if given a POST, so give 'em the chance... */
1481             ioctl(wwo->ossdev->fd, SNDCTL_DSP_POST, 0);
1482     }
1483
1484     wwo->dwPlayedTotal = wwo->dwWrittenTotal - notplayed;
1485     return TRUE;
1486 }
1487
1488 /**************************************************************************
1489  *                              wodPlayer_BeginWaveHdr          [internal]
1490  *
1491  * Makes the specified lpWaveHdr the currently playing wave header.
1492  * If the specified wave header is a begin loop and we're not already in
1493  * a loop, setup the loop.
1494  */
1495 static void wodPlayer_BeginWaveHdr(WINE_WAVEOUT* wwo, LPWAVEHDR lpWaveHdr)
1496 {
1497     wwo->lpPlayPtr = lpWaveHdr;
1498
1499     if (!lpWaveHdr) return;
1500
1501     if (lpWaveHdr->dwFlags & WHDR_BEGINLOOP) {
1502         if (wwo->lpLoopPtr) {
1503             WARN("Already in a loop. Discarding loop on this header (%p)\n", lpWaveHdr);
1504         } else {
1505             TRACE("Starting loop (%dx) with %p\n", lpWaveHdr->dwLoops, lpWaveHdr);
1506             wwo->lpLoopPtr = lpWaveHdr;
1507             /* Windows does not touch WAVEHDR.dwLoops,
1508              * so we need to make an internal copy */
1509             wwo->dwLoops = lpWaveHdr->dwLoops;
1510         }
1511     }
1512     wwo->dwPartialOffset = 0;
1513 }
1514
1515 /**************************************************************************
1516  *                              wodPlayer_PlayPtrNext           [internal]
1517  *
1518  * Advance the play pointer to the next waveheader, looping if required.
1519  */
1520 static LPWAVEHDR wodPlayer_PlayPtrNext(WINE_WAVEOUT* wwo)
1521 {
1522     LPWAVEHDR lpWaveHdr = wwo->lpPlayPtr;
1523
1524     wwo->dwPartialOffset = 0;
1525     if ((lpWaveHdr->dwFlags & WHDR_ENDLOOP) && wwo->lpLoopPtr) {
1526         /* We're at the end of a loop, loop if required */
1527         if (--wwo->dwLoops > 0) {
1528             wwo->lpPlayPtr = wwo->lpLoopPtr;
1529         } else {
1530             /* Handle overlapping loops correctly */
1531             if (wwo->lpLoopPtr != lpWaveHdr && (lpWaveHdr->dwFlags & WHDR_BEGINLOOP)) {
1532                 FIXME("Correctly handled case ? (ending loop buffer also starts a new loop)\n");
1533                 /* shall we consider the END flag for the closing loop or for
1534                  * the opening one or for both ???
1535                  * code assumes for closing loop only
1536                  */
1537             } else {
1538                 lpWaveHdr = lpWaveHdr->lpNext;
1539             }
1540             wwo->lpLoopPtr = NULL;
1541             wodPlayer_BeginWaveHdr(wwo, lpWaveHdr);
1542         }
1543     } else {
1544         /* We're not in a loop.  Advance to the next wave header */
1545         wodPlayer_BeginWaveHdr(wwo, lpWaveHdr = lpWaveHdr->lpNext);
1546     }
1547
1548     return lpWaveHdr;
1549 }
1550
1551 /**************************************************************************
1552  *                           wodPlayer_TicksTillEmpty           [internal]
1553  * Returns the number of ticks until we think the DSP should be empty
1554  */
1555 static DWORD wodPlayer_TicksTillEmpty(const WINE_WAVEOUT *wwo)
1556 {
1557     return ((wwo->dwWrittenTotal - wwo->dwPlayedTotal) * 1000)
1558         / wwo->waveFormat.Format.nAvgBytesPerSec;
1559 }
1560
1561 /**************************************************************************
1562  *                           wodPlayer_DSPWait                  [internal]
1563  * Returns the number of milliseconds to wait for the DSP buffer to write
1564  * one fragment.
1565  */
1566 static DWORD wodPlayer_DSPWait(const WINE_WAVEOUT *wwo)
1567 {
1568     /* time for one fragment to be played */
1569     return wwo->dwFragmentSize * 1000 / wwo->waveFormat.Format.nAvgBytesPerSec;
1570 }
1571
1572 /**************************************************************************
1573  *                           wodPlayer_NotifyWait               [internal]
1574  * Returns the number of milliseconds to wait before attempting to notify
1575  * completion of the specified wavehdr.
1576  * This is based on the number of bytes remaining to be written in the
1577  * wave.
1578  */
1579 static DWORD wodPlayer_NotifyWait(const WINE_WAVEOUT* wwo, LPWAVEHDR lpWaveHdr)
1580 {
1581     DWORD dwMillis;
1582
1583     if (lpWaveHdr->reserved < wwo->dwPlayedTotal) {
1584         dwMillis = 1;
1585     } else {
1586         dwMillis = (lpWaveHdr->reserved - wwo->dwPlayedTotal) * 1000 / wwo->waveFormat.Format.nAvgBytesPerSec;
1587         if (!dwMillis) dwMillis = 1;
1588     }
1589
1590     return dwMillis;
1591 }
1592
1593
1594 /**************************************************************************
1595  *                           wodPlayer_WriteMaxFrags            [internal]
1596  * Writes the maximum number of bytes possible to the DSP and returns
1597  * TRUE iff the current playPtr has been fully played
1598  */
1599 static BOOL wodPlayer_WriteMaxFrags(WINE_WAVEOUT* wwo, DWORD* bytes)
1600 {
1601     DWORD       dwLength = wwo->lpPlayPtr->dwBufferLength - wwo->dwPartialOffset;
1602     DWORD       toWrite = min(dwLength, *bytes);
1603     int         written;
1604     BOOL        ret = FALSE;
1605
1606     TRACE("Writing wavehdr %p.%u[%u]/%u\n",
1607           wwo->lpPlayPtr, wwo->dwPartialOffset, wwo->lpPlayPtr->dwBufferLength, toWrite);
1608
1609     if (toWrite > 0)
1610     {
1611         written = write(wwo->ossdev->fd, wwo->lpPlayPtr->lpData + wwo->dwPartialOffset, toWrite);
1612         if (written <= 0) {
1613             TRACE("write(%s, %p, %d) failed (%s) returned %d\n", wwo->ossdev->dev_name,
1614                 wwo->lpPlayPtr->lpData + wwo->dwPartialOffset, toWrite, strerror(errno), written);
1615             return FALSE;
1616         }
1617     }
1618     else
1619         written = 0;
1620
1621     if (written >= dwLength) {
1622         /* If we wrote all current wavehdr, skip to the next one */
1623         wodPlayer_PlayPtrNext(wwo);
1624         ret = TRUE;
1625     } else {
1626         /* Remove the amount written */
1627         wwo->dwPartialOffset += written;
1628     }
1629     *bytes -= written;
1630     wwo->dwWrittenTotal += written;
1631     TRACE("dwWrittenTotal=%u\n", wwo->dwWrittenTotal);
1632     return ret;
1633 }
1634
1635
1636 /**************************************************************************
1637  *                              wodPlayer_NotifyCompletions     [internal]
1638  *
1639  * Notifies and remove from queue all wavehdrs which have been played to
1640  * the speaker (ie. they have cleared the OSS buffer).  If force is true,
1641  * we notify all wavehdrs and remove them all from the queue even if they
1642  * are unplayed or part of a loop.
1643  */
1644 static DWORD wodPlayer_NotifyCompletions(WINE_WAVEOUT* wwo, BOOL force)
1645 {
1646     LPWAVEHDR           lpWaveHdr;
1647
1648     /* Start from lpQueuePtr and keep notifying until:
1649      * - we hit an unwritten wavehdr
1650      * - we hit the beginning of a running loop
1651      * - we hit a wavehdr which hasn't finished playing
1652      */
1653 #if 0
1654     while ((lpWaveHdr = wwo->lpQueuePtr) &&
1655            (force ||
1656             (lpWaveHdr != wwo->lpPlayPtr &&
1657              lpWaveHdr != wwo->lpLoopPtr &&
1658              lpWaveHdr->reserved <= wwo->dwPlayedTotal))) {
1659
1660         wwo->lpQueuePtr = lpWaveHdr->lpNext;
1661
1662         lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
1663         lpWaveHdr->dwFlags |= WHDR_DONE;
1664
1665         wodNotifyClient(wwo, WOM_DONE, (DWORD)lpWaveHdr, 0);
1666     }
1667 #else
1668     for (;;)
1669     {
1670         lpWaveHdr = wwo->lpQueuePtr;
1671         if (!lpWaveHdr) {TRACE("Empty queue\n"); break;}
1672         if (!force)
1673         {
1674             if (lpWaveHdr == wwo->lpPlayPtr) {TRACE("play %p\n", lpWaveHdr); break;}
1675             if (lpWaveHdr == wwo->lpLoopPtr) {TRACE("loop %p\n", lpWaveHdr); break;}
1676             if (lpWaveHdr->reserved > wwo->dwPlayedTotal) {TRACE("still playing %p (%u/%u)\n", lpWaveHdr, lpWaveHdr->reserved, wwo->dwPlayedTotal);break;}
1677         }
1678         wwo->lpQueuePtr = lpWaveHdr->lpNext;
1679
1680         lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
1681         lpWaveHdr->dwFlags |= WHDR_DONE;
1682
1683         wodNotifyClient(wwo, WOM_DONE, (DWORD)lpWaveHdr, 0);
1684     }
1685 #endif
1686     return  (lpWaveHdr && lpWaveHdr != wwo->lpPlayPtr && lpWaveHdr != wwo->lpLoopPtr) ?
1687         wodPlayer_NotifyWait(wwo, lpWaveHdr) : INFINITE;
1688 }
1689
1690 /**************************************************************************
1691  *                              wodPlayer_Reset                 [internal]
1692  *
1693  * wodPlayer helper. Resets current output stream.
1694  */
1695 static  void    wodPlayer_Reset(WINE_WAVEOUT* wwo, BOOL reset)
1696 {
1697     wodUpdatePlayedTotal(wwo, NULL);
1698     /* updates current notify list */
1699     wodPlayer_NotifyCompletions(wwo, FALSE);
1700
1701     /* flush all possible output */
1702     if (OSS_ResetDevice(wwo->ossdev) != MMSYSERR_NOERROR)
1703     {
1704         wwo->hThread = 0;
1705         wwo->state = WINE_WS_STOPPED;
1706         ExitThread(-1);
1707     }
1708
1709     if (reset) {
1710         enum win_wm_message     msg;
1711         DWORD                   param;
1712         HANDLE                  ev;
1713
1714         /* remove any buffer */
1715         wodPlayer_NotifyCompletions(wwo, TRUE);
1716
1717         wwo->lpPlayPtr = wwo->lpQueuePtr = wwo->lpLoopPtr = NULL;
1718         wwo->state = WINE_WS_STOPPED;
1719         wwo->dwPlayedTotal = wwo->dwWrittenTotal = 0;
1720         /* Clear partial wavehdr */
1721         wwo->dwPartialOffset = 0;
1722
1723         /* remove any existing message in the ring */
1724         EnterCriticalSection(&wwo->msgRing.msg_crst);
1725         /* return all pending headers in queue */
1726         while (OSS_RetrieveRingMessage(&wwo->msgRing, &msg, &param, &ev))
1727         {
1728             if (msg != WINE_WM_HEADER)
1729             {
1730                 FIXME("shouldn't have headers left\n");
1731                 SetEvent(ev);
1732                 continue;
1733             }
1734             ((LPWAVEHDR)param)->dwFlags &= ~WHDR_INQUEUE;
1735             ((LPWAVEHDR)param)->dwFlags |= WHDR_DONE;
1736
1737             wodNotifyClient(wwo, WOM_DONE, param, 0);
1738         }
1739         RESET_OMR(&wwo->msgRing);
1740         LeaveCriticalSection(&wwo->msgRing.msg_crst);
1741     } else {
1742         if (wwo->lpLoopPtr) {
1743             /* complicated case, not handled yet (could imply modifying the loop counter */
1744             FIXME("Pausing while in loop isn't correctly handled yet, except strange results\n");
1745             wwo->lpPlayPtr = wwo->lpLoopPtr;
1746             wwo->dwPartialOffset = 0;
1747             wwo->dwWrittenTotal = wwo->dwPlayedTotal; /* this is wrong !!! */
1748         } else {
1749             LPWAVEHDR   ptr;
1750             DWORD       sz = wwo->dwPartialOffset;
1751
1752             /* reset all the data as if we had written only up to lpPlayedTotal bytes */
1753             /* compute the max size playable from lpQueuePtr */
1754             for (ptr = wwo->lpQueuePtr; ptr != wwo->lpPlayPtr; ptr = ptr->lpNext) {
1755                 sz += ptr->dwBufferLength;
1756             }
1757             /* because the reset lpPlayPtr will be lpQueuePtr */
1758             if (wwo->dwWrittenTotal > wwo->dwPlayedTotal + sz) ERR("grin\n");
1759             wwo->dwPartialOffset = sz - (wwo->dwWrittenTotal - wwo->dwPlayedTotal);
1760             wwo->dwWrittenTotal = wwo->dwPlayedTotal;
1761             wwo->lpPlayPtr = wwo->lpQueuePtr;
1762         }
1763         wwo->state = WINE_WS_PAUSED;
1764     }
1765 }
1766
1767 /**************************************************************************
1768  *                    wodPlayer_ProcessMessages                 [internal]
1769  */
1770 static void wodPlayer_ProcessMessages(WINE_WAVEOUT* wwo)
1771 {
1772     LPWAVEHDR           lpWaveHdr;
1773     enum win_wm_message msg;
1774     DWORD               param;
1775     HANDLE              ev;
1776
1777     while (OSS_RetrieveRingMessage(&wwo->msgRing, &msg, &param, &ev)) {
1778         TRACE("Received %s %x\n", getCmdString(msg), param);
1779         switch (msg) {
1780         case WINE_WM_PAUSING:
1781             wodPlayer_Reset(wwo, FALSE);
1782             SetEvent(ev);
1783             break;
1784         case WINE_WM_RESTARTING:
1785             if (wwo->state == WINE_WS_PAUSED)
1786             {
1787                 wwo->state = WINE_WS_PLAYING;
1788             }
1789             SetEvent(ev);
1790             break;
1791         case WINE_WM_HEADER:
1792             lpWaveHdr = (LPWAVEHDR)param;
1793
1794             /* insert buffer at the end of queue */
1795             {
1796                 LPWAVEHDR*      wh;
1797                 for (wh = &(wwo->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
1798                 *wh = lpWaveHdr;
1799             }
1800             if (!wwo->lpPlayPtr)
1801                 wodPlayer_BeginWaveHdr(wwo,lpWaveHdr);
1802             if (wwo->state == WINE_WS_STOPPED)
1803                 wwo->state = WINE_WS_PLAYING;
1804             break;
1805         case WINE_WM_RESETTING:
1806             wodPlayer_Reset(wwo, TRUE);
1807             SetEvent(ev);
1808             break;
1809         case WINE_WM_UPDATE:
1810             wodUpdatePlayedTotal(wwo, NULL);
1811             SetEvent(ev);
1812             break;
1813         case WINE_WM_BREAKLOOP:
1814             if (wwo->state == WINE_WS_PLAYING && wwo->lpLoopPtr != NULL) {
1815                 /* ensure exit at end of current loop */
1816                 wwo->dwLoops = 1;
1817             }
1818             SetEvent(ev);
1819             break;
1820         case WINE_WM_CLOSING:
1821             /* sanity check: this should not happen since the device must have been reset before */
1822             if (wwo->lpQueuePtr || wwo->lpPlayPtr) ERR("out of sync\n");
1823             wwo->hThread = 0;
1824             wwo->state = WINE_WS_CLOSED;
1825             SetEvent(ev);
1826             ExitThread(0);
1827             /* shouldn't go here */
1828         default:
1829             FIXME("unknown message %d\n", msg);
1830             break;
1831         }
1832     }
1833 }
1834
1835 /**************************************************************************
1836  *                           wodPlayer_FeedDSP                  [internal]
1837  * Feed as much sound data as we can into the DSP and return the number of
1838  * milliseconds before it will be necessary to feed the DSP again.
1839  */
1840 static DWORD wodPlayer_FeedDSP(WINE_WAVEOUT* wwo)
1841 {
1842     audio_buf_info dspspace;
1843     DWORD       availInQ;
1844
1845     if (!wodUpdatePlayedTotal(wwo, &dspspace)) return INFINITE;
1846     availInQ = dspspace.bytes;
1847     TRACE("fragments=%d/%d, fragsize=%d, bytes=%d\n",
1848           dspspace.fragments, dspspace.fragstotal, dspspace.fragsize, dspspace.bytes);
1849
1850     /* no more room... no need to try to feed */
1851     if (dspspace.fragments != 0) {
1852         /* Feed from partial wavehdr */
1853         if (wwo->lpPlayPtr && wwo->dwPartialOffset != 0) {
1854             wodPlayer_WriteMaxFrags(wwo, &availInQ);
1855         }
1856
1857         /* Feed wavehdrs until we run out of wavehdrs or DSP space */
1858         if (wwo->dwPartialOffset == 0 && wwo->lpPlayPtr) {
1859             do {
1860                 TRACE("Setting time to elapse for %p to %u\n",
1861                       wwo->lpPlayPtr, wwo->dwWrittenTotal + wwo->lpPlayPtr->dwBufferLength);
1862                 /* note the value that dwPlayedTotal will return when this wave finishes playing */
1863                 wwo->lpPlayPtr->reserved = wwo->dwWrittenTotal + wwo->lpPlayPtr->dwBufferLength;
1864             } while (wodPlayer_WriteMaxFrags(wwo, &availInQ) && wwo->lpPlayPtr && availInQ > 0);
1865         }
1866
1867         if (wwo->bNeedPost) {
1868             /* OSS doesn't start before it gets either 2 fragments or a SNDCTL_DSP_POST;
1869              * if it didn't get one, we give it the other */
1870             if (wwo->dwBufferSize < availInQ + 2 * wwo->dwFragmentSize)
1871                 ioctl(wwo->ossdev->fd, SNDCTL_DSP_POST, 0);
1872             wwo->bNeedPost = FALSE;
1873         }
1874     }
1875
1876     return wodPlayer_DSPWait(wwo);
1877 }
1878
1879
1880 /**************************************************************************
1881  *                              wodPlayer                       [internal]
1882  */
1883 static  DWORD   CALLBACK        wodPlayer(LPVOID pmt)
1884 {
1885     WORD          uDevID = (DWORD)pmt;
1886     WINE_WAVEOUT* wwo = (WINE_WAVEOUT*)&WOutDev[uDevID];
1887     DWORD         dwNextFeedTime = INFINITE;   /* Time before DSP needs feeding */
1888     DWORD         dwNextNotifyTime = INFINITE; /* Time before next wave completion */
1889     DWORD         dwSleepTime;
1890
1891     wwo->state = WINE_WS_STOPPED;
1892     SetEvent(wwo->hStartUpEvent);
1893
1894     for (;;) {
1895         /** Wait for the shortest time before an action is required.  If there
1896          *  are no pending actions, wait forever for a command.
1897          */
1898         dwSleepTime = min(dwNextFeedTime, dwNextNotifyTime);
1899         TRACE("waiting %ums (%u,%u)\n", dwSleepTime, dwNextFeedTime, dwNextNotifyTime);
1900         WAIT_OMR(&wwo->msgRing, dwSleepTime);
1901         wodPlayer_ProcessMessages(wwo);
1902         if (wwo->state == WINE_WS_PLAYING) {
1903             dwNextFeedTime = wodPlayer_FeedDSP(wwo);
1904             if (dwNextFeedTime != INFINITE)
1905                 wwo->dwProjectedFinishTime = GetTickCount() + wodPlayer_TicksTillEmpty(wwo);
1906             else
1907                 wwo->dwProjectedFinishTime = 0;
1908
1909             dwNextNotifyTime = wodPlayer_NotifyCompletions(wwo, FALSE);
1910             if (dwNextFeedTime == INFINITE) {
1911                 /* FeedDSP ran out of data, but before flushing, */
1912                 /* check that a notification didn't give us more */
1913                 wodPlayer_ProcessMessages(wwo);
1914                 if (!wwo->lpPlayPtr) {
1915                     TRACE("flushing\n");
1916                     ioctl(wwo->ossdev->fd, SNDCTL_DSP_SYNC, 0);
1917                     wwo->dwPlayedTotal = wwo->dwWrittenTotal;
1918                     dwNextNotifyTime = wodPlayer_NotifyCompletions(wwo, FALSE);
1919                 } else {
1920                     TRACE("recovering\n");
1921                     dwNextFeedTime = wodPlayer_FeedDSP(wwo);
1922                 }
1923             }
1924         } else {
1925             dwNextFeedTime = dwNextNotifyTime = INFINITE;
1926         }
1927     }
1928 }
1929
1930 /**************************************************************************
1931  *                      wodGetDevCaps                           [internal]
1932  */
1933 static DWORD wodGetDevCaps(WORD wDevID, LPWAVEOUTCAPSW lpCaps, DWORD dwSize)
1934 {
1935     TRACE("(%u, %p, %u);\n", wDevID, lpCaps, dwSize);
1936
1937     if (lpCaps == NULL) {
1938         WARN("not enabled\n");
1939         return MMSYSERR_NOTENABLED;
1940     }
1941
1942     if (wDevID >= numOutDev) {
1943         WARN("numOutDev reached !\n");
1944         return MMSYSERR_BADDEVICEID;
1945     }
1946
1947     if (WOutDev[wDevID].ossdev->open_access == O_RDWR)
1948         memcpy(lpCaps, &WOutDev[wDevID].ossdev->duplex_out_caps, min(dwSize, sizeof(*lpCaps)));
1949     else
1950         memcpy(lpCaps, &WOutDev[wDevID].ossdev->out_caps, min(dwSize, sizeof(*lpCaps)));
1951
1952     return MMSYSERR_NOERROR;
1953 }
1954
1955 /**************************************************************************
1956  *                              wodOpen                         [internal]
1957  */
1958 DWORD wodOpen(WORD wDevID, LPWAVEOPENDESC lpDesc, DWORD dwFlags)
1959 {
1960     int                 audio_fragment;
1961     WINE_WAVEOUT*       wwo;
1962     audio_buf_info      info;
1963     DWORD               ret;
1964
1965     TRACE("(%u, %p[cb=%08x], %08X);\n", wDevID, lpDesc, lpDesc->dwCallback, dwFlags);
1966     if (lpDesc == NULL) {
1967         WARN("Invalid Parameter !\n");
1968         return MMSYSERR_INVALPARAM;
1969     }
1970     if (wDevID >= numOutDev) {
1971         TRACE("MAX_WAVOUTDRV reached !\n");
1972         return MMSYSERR_BADDEVICEID;
1973     }
1974
1975     /* only PCM format is supported so far... */
1976     if (!supportedFormat(lpDesc->lpFormat)) {
1977         WARN("Bad format: tag=%04X nChannels=%d nSamplesPerSec=%d !\n",
1978              lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
1979              lpDesc->lpFormat->nSamplesPerSec);
1980         return WAVERR_BADFORMAT;
1981     }
1982
1983     if (dwFlags & WAVE_FORMAT_QUERY) {
1984         TRACE("Query format: tag=%04X nChannels=%d nSamplesPerSec=%d !\n",
1985              lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
1986              lpDesc->lpFormat->nSamplesPerSec);
1987         return MMSYSERR_NOERROR;
1988     }
1989
1990     TRACE("OSS_OpenDevice requested this format: %dx%dx%d %s\n",
1991           lpDesc->lpFormat->nSamplesPerSec,
1992           lpDesc->lpFormat->wBitsPerSample,
1993           lpDesc->lpFormat->nChannels,
1994           lpDesc->lpFormat->wFormatTag == WAVE_FORMAT_PCM ? "WAVE_FORMAT_PCM" :
1995           lpDesc->lpFormat->wFormatTag == WAVE_FORMAT_EXTENSIBLE ? "WAVE_FORMAT_EXTENSIBLE" :
1996           "UNSUPPORTED");
1997
1998     wwo = &WOutDev[wDevID];
1999
2000     if ((dwFlags & WAVE_DIRECTSOUND) &&
2001         !(wwo->ossdev->duplex_out_caps.dwSupport & WAVECAPS_DIRECTSOUND))
2002         /* not supported, ignore it */
2003         dwFlags &= ~WAVE_DIRECTSOUND;
2004
2005     if (dwFlags & WAVE_DIRECTSOUND) {
2006         if (wwo->ossdev->duplex_out_caps.dwSupport & WAVECAPS_SAMPLEACCURATE)
2007             /* we have realtime DirectSound, fragments just waste our time,
2008              * but a large buffer is good, so choose 64KB (32 * 2^11) */
2009             audio_fragment = 0x0020000B;
2010         else
2011             /* to approximate realtime, we must use small fragments,
2012              * let's try to fragment the above 64KB (256 * 2^8) */
2013             audio_fragment = 0x01000008;
2014     } else {
2015         /* A wave device must have a worst case latency of 10 ms so calculate
2016          * the largest fragment size less than 10 ms long.
2017          */
2018         int     fsize = lpDesc->lpFormat->nAvgBytesPerSec / 100;        /* 10 ms chunk */
2019         int     shift = 0;
2020         while ((1 << shift) <= fsize)
2021             shift++;
2022         shift--;
2023         audio_fragment = 0x00100000 + shift;    /* 16 fragments of 2^shift */
2024     }
2025
2026     TRACE("requesting %d %d byte fragments (%d ms/fragment)\n",
2027         audio_fragment >> 16, 1 << (audio_fragment & 0xffff),
2028         ((1 << (audio_fragment & 0xffff)) * 1000) / lpDesc->lpFormat->nAvgBytesPerSec);
2029
2030     if (wwo->state != WINE_WS_CLOSED) {
2031         WARN("already allocated\n");
2032         return MMSYSERR_ALLOCATED;
2033     }
2034
2035     /* we want to be able to mmap() the device, which means it must be opened readable,
2036      * otherwise mmap() will fail (at least under Linux) */
2037     ret = OSS_OpenDevice(wwo->ossdev,
2038                          (dwFlags & WAVE_DIRECTSOUND) ? O_RDWR : O_WRONLY,
2039                          &audio_fragment,
2040                          (dwFlags & WAVE_DIRECTSOUND) ? 0 : 1,
2041                          lpDesc->lpFormat->nSamplesPerSec,
2042                          lpDesc->lpFormat->nChannels,
2043                          (lpDesc->lpFormat->wBitsPerSample == 16)
2044                              ? AFMT_S16_LE : AFMT_U8);
2045     if ((ret==MMSYSERR_NOERROR) && (dwFlags & WAVE_DIRECTSOUND)) {
2046         lpDesc->lpFormat->nSamplesPerSec=wwo->ossdev->sample_rate;
2047         lpDesc->lpFormat->nChannels=wwo->ossdev->channels;
2048         lpDesc->lpFormat->wBitsPerSample=(wwo->ossdev->format == AFMT_U8 ? 8 : 16);
2049         lpDesc->lpFormat->nBlockAlign=lpDesc->lpFormat->nChannels*lpDesc->lpFormat->wBitsPerSample/8;
2050         lpDesc->lpFormat->nAvgBytesPerSec=lpDesc->lpFormat->nSamplesPerSec*lpDesc->lpFormat->nBlockAlign;
2051         TRACE("OSS_OpenDevice returned this format: %dx%dx%d\n",
2052               lpDesc->lpFormat->nSamplesPerSec,
2053               lpDesc->lpFormat->wBitsPerSample,
2054               lpDesc->lpFormat->nChannels);
2055     }
2056     if (ret != 0) return ret;
2057     wwo->state = WINE_WS_STOPPED;
2058
2059     wwo->wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
2060
2061     memcpy(&wwo->waveDesc, lpDesc, sizeof(WAVEOPENDESC));
2062     copy_format(lpDesc->lpFormat, &wwo->waveFormat);
2063
2064     if (wwo->waveFormat.Format.wBitsPerSample == 0) {
2065         WARN("Resetting zeroed wBitsPerSample\n");
2066         wwo->waveFormat.Format.wBitsPerSample = 8 *
2067             (wwo->waveFormat.Format.nAvgBytesPerSec /
2068              wwo->waveFormat.Format.nSamplesPerSec) /
2069             wwo->waveFormat.Format.nChannels;
2070     }
2071     /* Read output space info for future reference */
2072     if (ioctl(wwo->ossdev->fd, SNDCTL_DSP_GETOSPACE, &info) < 0) {
2073         ERR("ioctl(%s, SNDCTL_DSP_GETOSPACE) failed (%s)\n", wwo->ossdev->dev_name, strerror(errno));
2074         OSS_CloseDevice(wwo->ossdev);
2075         wwo->state = WINE_WS_CLOSED;
2076         return MMSYSERR_NOTENABLED;
2077     }
2078
2079     TRACE("got %d %d byte fragments (%d ms/fragment)\n", info.fragstotal,
2080         info.fragsize, (info.fragsize * 1000) / (wwo->ossdev->sample_rate *
2081         wwo->ossdev->channels * (wwo->ossdev->format == AFMT_U8 ? 1 : 2)));
2082
2083     /* Check that fragsize is correct per our settings above */
2084     if ((info.fragsize > 1024) && (LOWORD(audio_fragment) <= 10)) {
2085         /* we've tried to set 1K fragments or less, but it didn't work */
2086         ERR("fragment size set failed, size is now %d\n", info.fragsize);
2087         MESSAGE("Your Open Sound System driver did not let us configure small enough sound fragments.\n");
2088         MESSAGE("This may cause delays and other problems in audio playback with certain applications.\n");
2089     }
2090
2091     /* Remember fragsize and total buffer size for future use */
2092     wwo->dwFragmentSize = info.fragsize;
2093     wwo->dwBufferSize = info.fragstotal * info.fragsize;
2094     wwo->dwPlayedTotal = 0;
2095     wwo->dwWrittenTotal = 0;
2096     wwo->bNeedPost = TRUE;
2097
2098     TRACE("fd=%d fragstotal=%d fragsize=%d BufferSize=%d\n",
2099           wwo->ossdev->fd, info.fragstotal, info.fragsize, wwo->dwBufferSize);
2100     if (wwo->dwFragmentSize % wwo->waveFormat.Format.nBlockAlign) {
2101         ERR("Fragment doesn't contain an integral number of data blocks fragsize=%d BlockAlign=%d\n",wwo->dwFragmentSize,wwo->waveFormat.Format.nBlockAlign);
2102         /* Some SoundBlaster 16 cards return an incorrect (odd) fragment
2103          * size for 16 bit sound. This will cause a system crash when we try
2104          * to write just the specified odd number of bytes. So if we
2105          * detect something is wrong we'd better fix it.
2106          */
2107         wwo->dwFragmentSize-=wwo->dwFragmentSize % wwo->waveFormat.Format.nBlockAlign;
2108     }
2109
2110     OSS_InitRingMessage(&wwo->msgRing);
2111
2112     wwo->hStartUpEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
2113     wwo->hThread = CreateThread(NULL, 0, wodPlayer, (LPVOID)(DWORD)wDevID, 0, &(wwo->dwThreadID));
2114     if (wwo->hThread)
2115         SetThreadPriority(wwo->hThread, THREAD_PRIORITY_TIME_CRITICAL);
2116     WaitForSingleObject(wwo->hStartUpEvent, INFINITE);
2117     CloseHandle(wwo->hStartUpEvent);
2118     wwo->hStartUpEvent = INVALID_HANDLE_VALUE;
2119
2120     TRACE("wBitsPerSample=%u, nAvgBytesPerSec=%u, nSamplesPerSec=%u, nChannels=%u nBlockAlign=%u!\n",
2121           wwo->waveFormat.Format.wBitsPerSample, wwo->waveFormat.Format.nAvgBytesPerSec,
2122           wwo->waveFormat.Format.nSamplesPerSec, wwo->waveFormat.Format.nChannels,
2123           wwo->waveFormat.Format.nBlockAlign);
2124
2125     return wodNotifyClient(wwo, WOM_OPEN, 0L, 0L);
2126 }
2127
2128 /**************************************************************************
2129  *                              wodClose                        [internal]
2130  */
2131 static DWORD wodClose(WORD wDevID)
2132 {
2133     DWORD               ret = MMSYSERR_NOERROR;
2134     WINE_WAVEOUT*       wwo;
2135
2136     TRACE("(%u);\n", wDevID);
2137
2138     if (wDevID >= numOutDev || WOutDev[wDevID].state == WINE_WS_CLOSED) {
2139         WARN("bad device ID !\n");
2140         return MMSYSERR_BADDEVICEID;
2141     }
2142
2143     wwo = &WOutDev[wDevID];
2144     if (wwo->lpQueuePtr) {
2145         WARN("buffers still playing !\n");
2146         ret = WAVERR_STILLPLAYING;
2147     } else {
2148         if (wwo->hThread != INVALID_HANDLE_VALUE) {
2149             OSS_AddRingMessage(&wwo->msgRing, WINE_WM_CLOSING, 0, TRUE);
2150         }
2151
2152         OSS_DestroyRingMessage(&wwo->msgRing);
2153
2154         OSS_CloseDevice(wwo->ossdev);
2155         wwo->state = WINE_WS_CLOSED;
2156         wwo->dwFragmentSize = 0;
2157         ret = wodNotifyClient(wwo, WOM_CLOSE, 0L, 0L);
2158     }
2159     return ret;
2160 }
2161
2162 /**************************************************************************
2163  *                              wodWrite                        [internal]
2164  *
2165  */
2166 static DWORD wodWrite(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
2167 {
2168     TRACE("(%u, %p, %08X);\n", wDevID, lpWaveHdr, dwSize);
2169
2170     /* first, do the sanity checks... */
2171     if (wDevID >= numOutDev || WOutDev[wDevID].state == WINE_WS_CLOSED) {
2172         WARN("bad dev ID !\n");
2173         return MMSYSERR_BADDEVICEID;
2174     }
2175
2176     if (lpWaveHdr->lpData == NULL || !(lpWaveHdr->dwFlags & WHDR_PREPARED))
2177         return WAVERR_UNPREPARED;
2178
2179     if (lpWaveHdr->dwFlags & WHDR_INQUEUE)
2180         return WAVERR_STILLPLAYING;
2181
2182     lpWaveHdr->dwFlags &= ~WHDR_DONE;
2183     lpWaveHdr->dwFlags |= WHDR_INQUEUE;
2184     lpWaveHdr->lpNext = 0;
2185
2186     if ((lpWaveHdr->dwBufferLength & (WOutDev[wDevID].waveFormat.Format.nBlockAlign - 1)) != 0)
2187     {
2188         WARN("WaveHdr length isn't a multiple of the PCM block size: %d %% %d\n",lpWaveHdr->dwBufferLength,WOutDev[wDevID].waveFormat.Format.nBlockAlign);
2189         lpWaveHdr->dwBufferLength &= ~(WOutDev[wDevID].waveFormat.Format.nBlockAlign - 1);
2190     }
2191
2192     OSS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_HEADER, (DWORD)lpWaveHdr, FALSE);
2193
2194     return MMSYSERR_NOERROR;
2195 }
2196
2197 /**************************************************************************
2198  *                      wodPause                                [internal]
2199  */
2200 static DWORD wodPause(WORD wDevID)
2201 {
2202     TRACE("(%u);!\n", wDevID);
2203
2204     if (wDevID >= numOutDev || WOutDev[wDevID].state == WINE_WS_CLOSED) {
2205         WARN("bad device ID !\n");
2206         return MMSYSERR_BADDEVICEID;
2207     }
2208
2209     OSS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_PAUSING, 0, TRUE);
2210
2211     return MMSYSERR_NOERROR;
2212 }
2213
2214 /**************************************************************************
2215  *                      wodRestart                              [internal]
2216  */
2217 static DWORD wodRestart(WORD wDevID)
2218 {
2219     TRACE("(%u);\n", wDevID);
2220
2221     if (wDevID >= numOutDev || WOutDev[wDevID].state == WINE_WS_CLOSED) {
2222         WARN("bad device ID !\n");
2223         return MMSYSERR_BADDEVICEID;
2224     }
2225
2226     OSS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_RESTARTING, 0, TRUE);
2227
2228     /* FIXME: is NotifyClient with WOM_DONE right ? (Comet Busters 1.3.3 needs this notification) */
2229     /* FIXME: Myst crashes with this ... hmm -MM
2230        return wodNotifyClient(wwo, WOM_DONE, 0L, 0L);
2231     */
2232
2233     return MMSYSERR_NOERROR;
2234 }
2235
2236 /**************************************************************************
2237  *                      wodReset                                [internal]
2238  */
2239 static DWORD wodReset(WORD wDevID)
2240 {
2241     TRACE("(%u);\n", wDevID);
2242
2243     if (wDevID >= numOutDev || WOutDev[wDevID].state == WINE_WS_CLOSED) {
2244         WARN("bad device ID !\n");
2245         return MMSYSERR_BADDEVICEID;
2246     }
2247
2248     OSS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_RESETTING, 0, TRUE);
2249
2250     return MMSYSERR_NOERROR;
2251 }
2252
2253 /**************************************************************************
2254  *                              wodGetPosition                  [internal]
2255  */
2256 static DWORD wodGetPosition(WORD wDevID, LPMMTIME lpTime, DWORD uSize)
2257 {
2258     WINE_WAVEOUT*       wwo;
2259
2260     TRACE("(%u, %p, %u);\n", wDevID, lpTime, uSize);
2261
2262     if (wDevID >= numOutDev || WOutDev[wDevID].state == WINE_WS_CLOSED) {
2263         WARN("bad device ID !\n");
2264         return MMSYSERR_BADDEVICEID;
2265     }
2266
2267     if (lpTime == NULL) {
2268         WARN("invalid parameter: lpTime == NULL\n");
2269         return MMSYSERR_INVALPARAM;
2270     }
2271
2272     wwo = &WOutDev[wDevID];
2273 #ifdef EXACT_WODPOSITION
2274     if (wwo->ossdev->open_access == O_RDWR) {
2275         if (wwo->ossdev->duplex_out_caps.dwSupport & WAVECAPS_SAMPLEACCURATE)
2276             OSS_AddRingMessage(&wwo->msgRing, WINE_WM_UPDATE, 0, TRUE);
2277     } else {
2278         if (wwo->ossdev->out_caps.dwSupport & WAVECAPS_SAMPLEACCURATE)
2279             OSS_AddRingMessage(&wwo->msgRing, WINE_WM_UPDATE, 0, TRUE);
2280     }
2281 #endif
2282
2283     return bytes_to_mmtime(lpTime, wwo->dwPlayedTotal, &wwo->waveFormat);
2284 }
2285
2286 /**************************************************************************
2287  *                              wodBreakLoop                    [internal]
2288  */
2289 static DWORD wodBreakLoop(WORD wDevID)
2290 {
2291     TRACE("(%u);\n", wDevID);
2292
2293     if (wDevID >= numOutDev || WOutDev[wDevID].state == WINE_WS_CLOSED) {
2294         WARN("bad device ID !\n");
2295         return MMSYSERR_BADDEVICEID;
2296     }
2297     OSS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_BREAKLOOP, 0, TRUE);
2298     return MMSYSERR_NOERROR;
2299 }
2300
2301 /**************************************************************************
2302  *                              wodGetVolume                    [internal]
2303  */
2304 static DWORD wodGetVolume(WORD wDevID, LPDWORD lpdwVol)
2305 {
2306     int         mixer;
2307     int         volume;
2308     DWORD       left, right;
2309     DWORD       last_left, last_right;
2310
2311     TRACE("(%u, %p);\n", wDevID, lpdwVol);
2312
2313     if (lpdwVol == NULL) {
2314         WARN("not enabled\n");
2315         return MMSYSERR_NOTENABLED;
2316     }
2317     if (wDevID >= numOutDev) {
2318         WARN("invalid parameter\n");
2319         return MMSYSERR_INVALPARAM;
2320     }
2321     if (WOutDev[wDevID].ossdev->open_access == O_RDWR) {
2322         if (!(WOutDev[wDevID].ossdev->duplex_out_caps.dwSupport & WAVECAPS_VOLUME)) {
2323             TRACE("Volume not supported\n");
2324             return MMSYSERR_NOTSUPPORTED;
2325         }
2326     } else {
2327         if (!(WOutDev[wDevID].ossdev->out_caps.dwSupport & WAVECAPS_VOLUME)) {
2328             TRACE("Volume not supported\n");
2329             return MMSYSERR_NOTSUPPORTED;
2330         }
2331     }
2332
2333     if ((mixer = open(WOutDev[wDevID].ossdev->mixer_name, O_RDONLY|O_NDELAY)) < 0) {
2334         WARN("mixer device not available !\n");
2335         return MMSYSERR_NOTENABLED;
2336     }
2337     if (ioctl(mixer, SOUND_MIXER_READ_PCM, &volume) == -1) {
2338         close(mixer);
2339         WARN("ioctl(%s, SOUND_MIXER_READ_PCM) failed (%s)\n",
2340              WOutDev[wDevID].ossdev->mixer_name, strerror(errno));
2341         return MMSYSERR_NOTENABLED;
2342     }
2343     close(mixer);
2344
2345     left = LOBYTE(volume);
2346     right = HIBYTE(volume);
2347     TRACE("left=%d right=%d !\n", left, right);
2348     last_left  = (LOWORD(WOutDev[wDevID].volume) * 100) / 0xFFFFl;
2349     last_right = (HIWORD(WOutDev[wDevID].volume) * 100) / 0xFFFFl;
2350     TRACE("last_left=%d last_right=%d !\n", last_left, last_right);
2351     if (last_left == left && last_right == right)
2352         *lpdwVol = WOutDev[wDevID].volume;
2353     else
2354         *lpdwVol = ((left * 0xFFFFl) / 100) + (((right * 0xFFFFl) / 100) << 16);
2355     return MMSYSERR_NOERROR;
2356 }
2357
2358 /**************************************************************************
2359  *                              wodSetVolume                    [internal]
2360  */
2361 DWORD wodSetVolume(WORD wDevID, DWORD dwParam)
2362 {
2363     int         mixer;
2364     int         volume;
2365     DWORD       left, right;
2366
2367     TRACE("(%u, %08X);\n", wDevID, dwParam);
2368
2369     left  = (LOWORD(dwParam) * 100) / 0xFFFFl;
2370     right = (HIWORD(dwParam) * 100) / 0xFFFFl;
2371     volume = left + (right << 8);
2372
2373     if (wDevID >= numOutDev) {
2374         WARN("invalid parameter: wDevID > %d\n", numOutDev);
2375         return MMSYSERR_INVALPARAM;
2376     }
2377     if (WOutDev[wDevID].ossdev->open_access == O_RDWR) {
2378         if (!(WOutDev[wDevID].ossdev->duplex_out_caps.dwSupport & WAVECAPS_VOLUME)) {
2379             TRACE("Volume not supported\n");
2380             return MMSYSERR_NOTSUPPORTED;
2381         }
2382     } else {
2383         if (!(WOutDev[wDevID].ossdev->out_caps.dwSupport & WAVECAPS_VOLUME)) {
2384             TRACE("Volume not supported\n");
2385             return MMSYSERR_NOTSUPPORTED;
2386         }
2387     }
2388     if ((mixer = open(WOutDev[wDevID].ossdev->mixer_name, O_WRONLY|O_NDELAY)) < 0) {
2389         WARN("open(%s) failed (%s)\n", WOutDev[wDevID].ossdev->mixer_name, strerror(errno));
2390         return MMSYSERR_NOTENABLED;
2391     }
2392     if (ioctl(mixer, SOUND_MIXER_WRITE_PCM, &volume) == -1) {
2393         close(mixer);
2394         WARN("ioctl(%s, SOUND_MIXER_WRITE_PCM) failed (%s)\n",
2395             WOutDev[wDevID].ossdev->mixer_name, strerror(errno));
2396         return MMSYSERR_NOTENABLED;
2397     }
2398     TRACE("volume=%04x\n", (unsigned)volume);
2399     close(mixer);
2400
2401     /* save requested volume */
2402     WOutDev[wDevID].volume = dwParam;
2403
2404     return MMSYSERR_NOERROR;
2405 }
2406
2407 /**************************************************************************
2408  *                              wodMessage (WINEOSS.7)
2409  */
2410 DWORD WINAPI OSS_wodMessage(UINT wDevID, UINT wMsg, DWORD dwUser,
2411                             DWORD dwParam1, DWORD dwParam2)
2412 {
2413     TRACE("(%u, %s, %08X, %08X, %08X);\n",
2414           wDevID, getMessage(wMsg), dwUser, dwParam1, dwParam2);
2415
2416     switch (wMsg) {
2417     case DRVM_INIT:
2418     case DRVM_EXIT:
2419     case DRVM_ENABLE:
2420     case DRVM_DISABLE:
2421         /* FIXME: Pretend this is supported */
2422         return 0;
2423     case WODM_OPEN:             return wodOpen          (wDevID, (LPWAVEOPENDESC)dwParam1,      dwParam2);
2424     case WODM_CLOSE:            return wodClose         (wDevID);
2425     case WODM_WRITE:            return wodWrite         (wDevID, (LPWAVEHDR)dwParam1,           dwParam2);
2426     case WODM_PAUSE:            return wodPause         (wDevID);
2427     case WODM_GETPOS:           return wodGetPosition   (wDevID, (LPMMTIME)dwParam1,            dwParam2);
2428     case WODM_BREAKLOOP:        return wodBreakLoop     (wDevID);
2429     case WODM_PREPARE:          return MMSYSERR_NOTSUPPORTED;
2430     case WODM_UNPREPARE:        return MMSYSERR_NOTSUPPORTED;
2431     case WODM_GETDEVCAPS:       return wodGetDevCaps    (wDevID, (LPWAVEOUTCAPSW)dwParam1,      dwParam2);
2432     case WODM_GETNUMDEVS:       return numOutDev;
2433     case WODM_GETPITCH:         return MMSYSERR_NOTSUPPORTED;
2434     case WODM_SETPITCH:         return MMSYSERR_NOTSUPPORTED;
2435     case WODM_GETPLAYBACKRATE:  return MMSYSERR_NOTSUPPORTED;
2436     case WODM_SETPLAYBACKRATE:  return MMSYSERR_NOTSUPPORTED;
2437     case WODM_GETVOLUME:        return wodGetVolume     (wDevID, (LPDWORD)dwParam1);
2438     case WODM_SETVOLUME:        return wodSetVolume     (wDevID, dwParam1);
2439     case WODM_RESTART:          return wodRestart       (wDevID);
2440     case WODM_RESET:            return wodReset         (wDevID);
2441
2442     case DRV_QUERYDEVICEINTERFACESIZE: return wodDevInterfaceSize      (wDevID, (LPDWORD)dwParam1);
2443     case DRV_QUERYDEVICEINTERFACE:     return wodDevInterface          (wDevID, (PWCHAR)dwParam1, dwParam2);
2444     case DRV_QUERYDSOUNDIFACE:  return wodDsCreate      (wDevID, (PIDSDRIVER*)dwParam1);
2445     case DRV_QUERYDSOUNDDESC:   return wodDsDesc        (wDevID, (PDSDRIVERDESC)dwParam1);
2446     default:
2447         FIXME("unknown message %d!\n", wMsg);
2448     }
2449     return MMSYSERR_NOTSUPPORTED;
2450 }
2451
2452 /*======================================================================*
2453  *                  Low level WAVE IN implementation                    *
2454  *======================================================================*/
2455
2456 /**************************************************************************
2457  *                      widNotifyClient                 [internal]
2458  */
2459 static DWORD widNotifyClient(WINE_WAVEIN* wwi, WORD wMsg, DWORD dwParam1, DWORD dwParam2)
2460 {
2461     TRACE("wMsg = 0x%04x (%s) dwParm1 = %04X dwParam2 = %04X\n", wMsg,
2462         wMsg == WIM_OPEN ? "WIM_OPEN" : wMsg == WIM_CLOSE ? "WIM_CLOSE" :
2463         wMsg == WIM_DATA ? "WIM_DATA" : "Unknown", dwParam1, dwParam2);
2464
2465     switch (wMsg) {
2466     case WIM_OPEN:
2467     case WIM_CLOSE:
2468     case WIM_DATA:
2469         if (wwi->wFlags != DCB_NULL &&
2470             !DriverCallback(wwi->waveDesc.dwCallback, wwi->wFlags,
2471                             (HDRVR)wwi->waveDesc.hWave, wMsg,
2472                             wwi->waveDesc.dwInstance, dwParam1, dwParam2)) {
2473             WARN("can't notify client !\n");
2474             return MMSYSERR_ERROR;
2475         }
2476         break;
2477     default:
2478         FIXME("Unknown callback message %u\n", wMsg);
2479         return MMSYSERR_INVALPARAM;
2480     }
2481     return MMSYSERR_NOERROR;
2482 }
2483
2484 /**************************************************************************
2485  *                      widGetDevCaps                           [internal]
2486  */
2487 static DWORD widGetDevCaps(WORD wDevID, LPWAVEINCAPSW lpCaps, DWORD dwSize)
2488 {
2489     TRACE("(%u, %p, %u);\n", wDevID, lpCaps, dwSize);
2490
2491     if (lpCaps == NULL) return MMSYSERR_NOTENABLED;
2492
2493     if (wDevID >= numInDev) {
2494         TRACE("numOutDev reached !\n");
2495         return MMSYSERR_BADDEVICEID;
2496     }
2497
2498     memcpy(lpCaps, &WInDev[wDevID].ossdev->in_caps, min(dwSize, sizeof(*lpCaps)));
2499     return MMSYSERR_NOERROR;
2500 }
2501
2502 /**************************************************************************
2503  *                              widRecorder_ReadHeaders         [internal]
2504  */
2505 static void widRecorder_ReadHeaders(WINE_WAVEIN * wwi)
2506 {
2507     enum win_wm_message tmp_msg;
2508     DWORD               tmp_param;
2509     HANDLE              tmp_ev;
2510     WAVEHDR*            lpWaveHdr;
2511
2512     while (OSS_RetrieveRingMessage(&wwi->msgRing, &tmp_msg, &tmp_param, &tmp_ev)) {
2513         if (tmp_msg == WINE_WM_HEADER) {
2514             LPWAVEHDR*  wh;
2515             lpWaveHdr = (LPWAVEHDR)tmp_param;
2516             lpWaveHdr->lpNext = 0;
2517
2518             if (wwi->lpQueuePtr == 0)
2519                 wwi->lpQueuePtr = lpWaveHdr;
2520             else {
2521                 for (wh = &(wwi->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
2522                 *wh = lpWaveHdr;
2523             }
2524         } else {
2525             ERR("should only have headers left\n");
2526         }
2527     }
2528 }
2529
2530 /**************************************************************************
2531  *                              widRecorder                     [internal]
2532  */
2533 static  DWORD   CALLBACK        widRecorder(LPVOID pmt)
2534 {
2535     WORD                uDevID = (DWORD)pmt;
2536     WINE_WAVEIN*        wwi = (WINE_WAVEIN*)&WInDev[uDevID];
2537     WAVEHDR*            lpWaveHdr;
2538     DWORD               dwSleepTime;
2539     DWORD               bytesRead;
2540     LPVOID              buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, wwi->dwFragmentSize);
2541     char               *pOffset = buffer;
2542     audio_buf_info      info;
2543     int                 xs;
2544     enum win_wm_message msg;
2545     DWORD               param;
2546     HANDLE              ev;
2547     int                 enable;
2548
2549     wwi->state = WINE_WS_STOPPED;
2550     wwi->dwTotalRecorded = 0;
2551     wwi->dwTotalRead = 0;
2552     wwi->lpQueuePtr = NULL;
2553
2554     SetEvent(wwi->hStartUpEvent);
2555
2556     /* disable input so capture will begin when triggered */
2557     wwi->ossdev->bInputEnabled = FALSE;
2558     enable = getEnables(wwi->ossdev);
2559     if (ioctl(wwi->ossdev->fd, SNDCTL_DSP_SETTRIGGER, &enable) < 0)
2560         ERR("ioctl(%s, SNDCTL_DSP_SETTRIGGER) failed (%s)\n", wwi->ossdev->dev_name, strerror(errno));
2561
2562     /* the soundblaster live needs a micro wake to get its recording started
2563      * (or GETISPACE will have 0 frags all the time)
2564      */
2565     read(wwi->ossdev->fd, &xs, 4);
2566
2567     /* make sleep time to be # of ms to output a fragment */
2568     dwSleepTime = (wwi->dwFragmentSize * 1000) / wwi->waveFormat.Format.nAvgBytesPerSec;
2569     TRACE("sleeptime=%d ms\n", dwSleepTime);
2570
2571     for (;;) {
2572         /* wait for dwSleepTime or an event in thread's queue */
2573         /* FIXME: could improve wait time depending on queue state,
2574          * ie, number of queued fragments
2575          */
2576
2577         if (wwi->lpQueuePtr != NULL && wwi->state == WINE_WS_PLAYING)
2578         {
2579             lpWaveHdr = wwi->lpQueuePtr;
2580
2581             ioctl(wwi->ossdev->fd, SNDCTL_DSP_GETISPACE, &info);
2582             TRACE("info={frag=%d fsize=%d ftotal=%d bytes=%d}\n", info.fragments, info.fragsize, info.fragstotal, info.bytes);
2583
2584             /* read all the fragments accumulated so far */
2585             while ((info.fragments > 0) && (wwi->lpQueuePtr))
2586             {
2587                 info.fragments --;
2588
2589                 if (lpWaveHdr->dwBufferLength - lpWaveHdr->dwBytesRecorded >= wwi->dwFragmentSize)
2590                 {
2591                     /* directly read fragment in wavehdr */
2592                     bytesRead = read(wwi->ossdev->fd,
2593                                      lpWaveHdr->lpData + lpWaveHdr->dwBytesRecorded,
2594                                      wwi->dwFragmentSize);
2595
2596                     TRACE("bytesRead=%d (direct)\n", bytesRead);
2597                     if (bytesRead != (DWORD) -1)
2598                     {
2599                         /* update number of bytes recorded in current buffer and by this device */
2600                         lpWaveHdr->dwBytesRecorded += bytesRead;
2601                         wwi->dwTotalRead           += bytesRead;
2602                         wwi->dwTotalRecorded = wwi->dwTotalRead;
2603
2604                         /* buffer is full. notify client */
2605                         if (lpWaveHdr->dwBytesRecorded == lpWaveHdr->dwBufferLength)
2606                         {
2607                             /* must copy the value of next waveHdr, because we have no idea of what
2608                              * will be done with the content of lpWaveHdr in callback
2609                              */
2610                             LPWAVEHDR   lpNext = lpWaveHdr->lpNext;
2611
2612                             lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
2613                             lpWaveHdr->dwFlags |=  WHDR_DONE;
2614
2615                             wwi->lpQueuePtr = lpNext;
2616                             widNotifyClient(wwi, WIM_DATA, (DWORD)lpWaveHdr, 0);
2617                             lpWaveHdr = lpNext;
2618                         }
2619                     } else {
2620                         TRACE("read(%s, %p, %d) failed (%s)\n", wwi->ossdev->dev_name,
2621                             lpWaveHdr->lpData + lpWaveHdr->dwBytesRecorded,
2622                             wwi->dwFragmentSize, strerror(errno));
2623                     }
2624                 }
2625                 else
2626                 {
2627                     /* read the fragment in a local buffer */
2628                     bytesRead = read(wwi->ossdev->fd, buffer, wwi->dwFragmentSize);
2629                     pOffset = buffer;
2630
2631                     TRACE("bytesRead=%d (local)\n", bytesRead);
2632
2633                     if (bytesRead == (DWORD) -1) {
2634                         TRACE("read(%s, %p, %d) failed (%s)\n", wwi->ossdev->dev_name,
2635                             buffer, wwi->dwFragmentSize, strerror(errno));
2636                         continue;
2637                     }
2638
2639                     /* copy data in client buffers */
2640                     while (bytesRead != (DWORD) -1 && bytesRead > 0)
2641                     {
2642                         DWORD dwToCopy = min (bytesRead, lpWaveHdr->dwBufferLength - lpWaveHdr->dwBytesRecorded);
2643
2644                         memcpy(lpWaveHdr->lpData + lpWaveHdr->dwBytesRecorded,
2645                                pOffset,
2646                                dwToCopy);
2647
2648                         /* update number of bytes recorded in current buffer and by this device */
2649                         lpWaveHdr->dwBytesRecorded += dwToCopy;
2650                         wwi->dwTotalRead           += dwToCopy;
2651                         wwi->dwTotalRecorded = wwi->dwTotalRead;
2652                         bytesRead -= dwToCopy;
2653                         pOffset   += dwToCopy;
2654
2655                         /* client buffer is full. notify client */
2656                         if (lpWaveHdr->dwBytesRecorded == lpWaveHdr->dwBufferLength)
2657                         {
2658                             /* must copy the value of next waveHdr, because we have no idea of what
2659                              * will be done with the content of lpWaveHdr in callback
2660                              */
2661                             LPWAVEHDR   lpNext = lpWaveHdr->lpNext;
2662                             TRACE("lpNext=%p\n", lpNext);
2663
2664                             lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
2665                             lpWaveHdr->dwFlags |=  WHDR_DONE;
2666
2667                             wwi->lpQueuePtr = lpNext;
2668                             widNotifyClient(wwi, WIM_DATA, (DWORD)lpWaveHdr, 0);
2669
2670                             lpWaveHdr = lpNext;
2671                             if (!lpNext && bytesRead) {
2672                                 /* before we give up, check for more header messages */
2673                                 while (OSS_PeekRingMessage(&wwi->msgRing, &msg, &param, &ev))
2674                                 {
2675                                     if (msg == WINE_WM_HEADER) {
2676                                         LPWAVEHDR hdr;
2677                                         OSS_RetrieveRingMessage(&wwi->msgRing, &msg, &param, &ev);
2678                                         hdr = ((LPWAVEHDR)param);
2679                                         TRACE("msg = %s, hdr = %p, ev = %p\n", getCmdString(msg), hdr, ev);
2680                                         hdr->lpNext = 0;
2681                                         if (lpWaveHdr == 0) {
2682                                             /* new head of queue */
2683                                             wwi->lpQueuePtr = lpWaveHdr = hdr;
2684                                         } else {
2685                                             /* insert buffer at the end of queue */
2686                                             LPWAVEHDR*  wh;
2687                                             for (wh = &(wwi->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
2688                                             *wh = hdr;
2689                                         }
2690                                     } else
2691                                         break;
2692                                 }
2693
2694                                 if (lpWaveHdr == 0) {
2695                                     /* no more buffer to copy data to, but we did read more.
2696                                      * what hasn't been copied will be dropped
2697                                      */
2698                                     WARN("buffer under run! %u bytes dropped.\n", bytesRead);
2699                                     wwi->lpQueuePtr = NULL;
2700                                     break;
2701                                 }
2702                             }
2703                         }
2704                     }
2705                 }
2706             }
2707         }
2708
2709         WAIT_OMR(&wwi->msgRing, dwSleepTime);
2710
2711         while (OSS_RetrieveRingMessage(&wwi->msgRing, &msg, &param, &ev))
2712         {
2713             TRACE("msg=%s param=0x%x\n", getCmdString(msg), param);
2714             switch (msg) {
2715             case WINE_WM_PAUSING:
2716                 wwi->state = WINE_WS_PAUSED;
2717                 /*FIXME("Device should stop recording\n");*/
2718                 SetEvent(ev);
2719                 break;
2720             case WINE_WM_STARTING:
2721                 wwi->state = WINE_WS_PLAYING;
2722
2723                 if (wwi->ossdev->bTriggerSupport)
2724                 {
2725                     /* start the recording */
2726                     wwi->ossdev->bInputEnabled = TRUE;
2727                     enable = getEnables(wwi->ossdev);
2728                     if (ioctl(wwi->ossdev->fd, SNDCTL_DSP_SETTRIGGER, &enable) < 0) {
2729                         wwi->ossdev->bInputEnabled = FALSE;
2730                         ERR("ioctl(%s, SNDCTL_DSP_SETTRIGGER) failed (%s)\n", wwi->ossdev->dev_name, strerror(errno));
2731                     }
2732                 }
2733                 else
2734                 {
2735                     unsigned char data[4];
2736                     /* read 4 bytes to start the recording */
2737                     read(wwi->ossdev->fd, data, 4);
2738                 }
2739
2740                 SetEvent(ev);
2741                 break;
2742             case WINE_WM_HEADER:
2743                 lpWaveHdr = (LPWAVEHDR)param;
2744                 lpWaveHdr->lpNext = 0;
2745
2746                 /* insert buffer at the end of queue */
2747                 {
2748                     LPWAVEHDR*  wh;
2749                     for (wh = &(wwi->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
2750                     *wh = lpWaveHdr;
2751                 }
2752                 break;
2753             case WINE_WM_STOPPING:
2754                 if (wwi->state != WINE_WS_STOPPED)
2755                 {
2756                     if (wwi->ossdev->bTriggerSupport)
2757                     {
2758                         /* stop the recording */
2759                         wwi->ossdev->bInputEnabled = FALSE;
2760                         enable = getEnables(wwi->ossdev);
2761                         if (ioctl(wwi->ossdev->fd, SNDCTL_DSP_SETTRIGGER, &enable) < 0) {
2762                             wwi->ossdev->bInputEnabled = FALSE;
2763                             ERR("ioctl(%s, SNDCTL_DSP_SETTRIGGER) failed (%s)\n", wwi->ossdev->dev_name, strerror(errno));
2764                         }
2765                     }
2766
2767                     /* read any headers in queue */
2768                     widRecorder_ReadHeaders(wwi);
2769
2770                     /* return current buffer to app */
2771                     lpWaveHdr = wwi->lpQueuePtr;
2772                     if (lpWaveHdr)
2773                     {
2774                         LPWAVEHDR       lpNext = lpWaveHdr->lpNext;
2775                         TRACE("stop %p %p\n", lpWaveHdr, lpWaveHdr->lpNext);
2776                         lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
2777                         lpWaveHdr->dwFlags |= WHDR_DONE;
2778                         wwi->lpQueuePtr = lpNext;
2779                         widNotifyClient(wwi, WIM_DATA, (DWORD)lpWaveHdr, 0);
2780                     }
2781                 }
2782                 wwi->state = WINE_WS_STOPPED;
2783                 SetEvent(ev);
2784                 break;
2785             case WINE_WM_RESETTING:
2786                 if (wwi->state != WINE_WS_STOPPED)
2787                 {
2788                     if (wwi->ossdev->bTriggerSupport)
2789                     {
2790                         /* stop the recording */
2791                         wwi->ossdev->bInputEnabled = FALSE;
2792                         enable = getEnables(wwi->ossdev);
2793                         if (ioctl(wwi->ossdev->fd, SNDCTL_DSP_SETTRIGGER, &enable) < 0) {
2794                             wwi->ossdev->bInputEnabled = FALSE;
2795                             ERR("ioctl(%s, SNDCTL_DSP_SETTRIGGER) failed (%s)\n", wwi->ossdev->dev_name, strerror(errno));
2796                         }
2797                     }
2798                 }
2799                 wwi->state = WINE_WS_STOPPED;
2800                 wwi->dwTotalRecorded = 0;
2801                 wwi->dwTotalRead = 0;
2802
2803                 /* read any headers in queue */
2804                 widRecorder_ReadHeaders(wwi);
2805
2806                 /* return all buffers to the app */
2807                 for (lpWaveHdr = wwi->lpQueuePtr; lpWaveHdr; lpWaveHdr = lpWaveHdr->lpNext) {
2808                     TRACE("reset %p %p\n", lpWaveHdr, lpWaveHdr->lpNext);
2809                     lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
2810                     lpWaveHdr->dwFlags |= WHDR_DONE;
2811                     wwi->lpQueuePtr = lpWaveHdr->lpNext;
2812                     widNotifyClient(wwi, WIM_DATA, (DWORD)lpWaveHdr, 0);
2813                 }
2814
2815                 wwi->lpQueuePtr = NULL;
2816                 SetEvent(ev);
2817                 break;
2818             case WINE_WM_UPDATE:
2819                 if (wwi->state == WINE_WS_PLAYING) {
2820                     audio_buf_info tmp_info;
2821                     if (ioctl(wwi->ossdev->fd, SNDCTL_DSP_GETISPACE, &tmp_info) < 0)
2822                         ERR("ioctl(%s, SNDCTL_DSP_GETISPACE) failed (%s)\n", wwi->ossdev->dev_name, strerror(errno));
2823                     else
2824                         wwi->dwTotalRecorded = wwi->dwTotalRead + tmp_info.bytes;
2825                 }
2826                 SetEvent(ev);
2827                 break;
2828             case WINE_WM_CLOSING:
2829                 wwi->hThread = 0;
2830                 wwi->state = WINE_WS_CLOSED;
2831                 SetEvent(ev);
2832                 HeapFree(GetProcessHeap(), 0, buffer);
2833                 ExitThread(0);
2834                 /* shouldn't go here */
2835             default:
2836                 FIXME("unknown message %d\n", msg);
2837                 break;
2838             }
2839         }
2840     }
2841     ExitThread(0);
2842     /* just for not generating compilation warnings... should never be executed */
2843     return 0;
2844 }
2845
2846
2847 /**************************************************************************
2848  *                              widOpen                         [internal]
2849  */
2850 DWORD widOpen(WORD wDevID, LPWAVEOPENDESC lpDesc, DWORD dwFlags)
2851 {
2852     WINE_WAVEIN*        wwi;
2853     audio_buf_info      info;
2854     int                 audio_fragment;
2855     DWORD               ret;
2856
2857     TRACE("(%u, %p, %08X);\n", wDevID, lpDesc, dwFlags);
2858     if (lpDesc == NULL) {
2859         WARN("Invalid Parameter !\n");
2860         return MMSYSERR_INVALPARAM;
2861     }
2862     if (wDevID >= numInDev) {
2863         WARN("bad device id: %d >= %d\n", wDevID, numInDev);
2864         return MMSYSERR_BADDEVICEID;
2865     }
2866
2867     /* only PCM format is supported so far... */
2868     if (!supportedFormat(lpDesc->lpFormat)) {
2869         WARN("Bad format: tag=%04X nChannels=%d nSamplesPerSec=%d !\n",
2870              lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
2871              lpDesc->lpFormat->nSamplesPerSec);
2872         return WAVERR_BADFORMAT;
2873     }
2874
2875     if (dwFlags & WAVE_FORMAT_QUERY) {
2876         TRACE("Query format: tag=%04X nChannels=%d nSamplesPerSec=%d !\n",
2877              lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
2878              lpDesc->lpFormat->nSamplesPerSec);
2879         return MMSYSERR_NOERROR;
2880     }
2881
2882     TRACE("OSS_OpenDevice requested this format: %dx%dx%d %s\n",
2883           lpDesc->lpFormat->nSamplesPerSec,
2884           lpDesc->lpFormat->wBitsPerSample,
2885           lpDesc->lpFormat->nChannels,
2886           lpDesc->lpFormat->wFormatTag == WAVE_FORMAT_PCM ? "WAVE_FORMAT_PCM" :
2887           lpDesc->lpFormat->wFormatTag == WAVE_FORMAT_EXTENSIBLE ? "WAVE_FORMAT_EXTENSIBLE" :
2888           "UNSUPPORTED");
2889
2890     wwi = &WInDev[wDevID];
2891
2892     if (wwi->state != WINE_WS_CLOSED) return MMSYSERR_ALLOCATED;
2893
2894     if ((dwFlags & WAVE_DIRECTSOUND) &&
2895         !(wwi->ossdev->in_caps_support & WAVECAPS_DIRECTSOUND))
2896         /* not supported, ignore it */
2897         dwFlags &= ~WAVE_DIRECTSOUND;
2898
2899     if (dwFlags & WAVE_DIRECTSOUND) {
2900         TRACE("has DirectSoundCapture driver\n");
2901         if (wwi->ossdev->in_caps_support & WAVECAPS_SAMPLEACCURATE)
2902             /* we have realtime DirectSound, fragments just waste our time,
2903              * but a large buffer is good, so choose 64KB (32 * 2^11) */
2904             audio_fragment = 0x0020000B;
2905         else
2906             /* to approximate realtime, we must use small fragments,
2907              * let's try to fragment the above 64KB (256 * 2^8) */
2908             audio_fragment = 0x01000008;
2909     } else {
2910         TRACE("doesn't have DirectSoundCapture driver\n");
2911         if (wwi->ossdev->open_count > 0) {
2912             TRACE("Using output device audio_fragment\n");
2913             /* FIXME: This may not be optimal for capture but it allows us
2914              * to do hardware playback without hardware capture. */
2915             audio_fragment = wwi->ossdev->audio_fragment;
2916         } else {
2917             /* A wave device must have a worst case latency of 10 ms so calculate
2918              * the largest fragment size less than 10 ms long.
2919              */
2920             int fsize = lpDesc->lpFormat->nAvgBytesPerSec / 100;        /* 10 ms chunk */
2921             int shift = 0;
2922             while ((1 << shift) <= fsize)
2923                 shift++;
2924             shift--;
2925             audio_fragment = 0x00100000 + shift;        /* 16 fragments of 2^shift */
2926         }
2927     }
2928
2929     TRACE("requesting %d %d byte fragments (%d ms)\n", audio_fragment >> 16,
2930         1 << (audio_fragment & 0xffff),
2931         ((1 << (audio_fragment & 0xffff)) * 1000) / lpDesc->lpFormat->nAvgBytesPerSec);
2932
2933     ret = OSS_OpenDevice(wwi->ossdev, O_RDONLY, &audio_fragment,
2934                          1,
2935                          lpDesc->lpFormat->nSamplesPerSec,
2936                          lpDesc->lpFormat->nChannels,
2937                          (lpDesc->lpFormat->wBitsPerSample == 16)
2938                          ? AFMT_S16_LE : AFMT_U8);
2939     if (ret != 0) return ret;
2940     wwi->state = WINE_WS_STOPPED;
2941
2942     if (wwi->lpQueuePtr) {
2943         WARN("Should have an empty queue (%p)\n", wwi->lpQueuePtr);
2944         wwi->lpQueuePtr = NULL;
2945     }
2946     wwi->dwTotalRecorded = 0;
2947     wwi->dwTotalRead = 0;
2948     wwi->wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
2949
2950     memcpy(&wwi->waveDesc, lpDesc, sizeof(WAVEOPENDESC));
2951     copy_format(lpDesc->lpFormat, &wwi->waveFormat);
2952
2953     if (wwi->waveFormat.Format.wBitsPerSample == 0) {
2954         WARN("Resetting zeroed wBitsPerSample\n");
2955         wwi->waveFormat.Format.wBitsPerSample = 8 *
2956             (wwi->waveFormat.Format.nAvgBytesPerSec /
2957              wwi->waveFormat.Format.nSamplesPerSec) /
2958             wwi->waveFormat.Format.nChannels;
2959     }
2960
2961     if (ioctl(wwi->ossdev->fd, SNDCTL_DSP_GETISPACE, &info) < 0) {
2962         ERR("ioctl(%s, SNDCTL_DSP_GETISPACE) failed (%s)\n",
2963             wwi->ossdev->dev_name, strerror(errno));
2964         OSS_CloseDevice(wwi->ossdev);
2965         wwi->state = WINE_WS_CLOSED;
2966         return MMSYSERR_NOTENABLED;
2967     }
2968
2969     TRACE("got %d %d byte fragments (%d ms/fragment)\n", info.fragstotal,
2970         info.fragsize, (info.fragsize * 1000) / (wwi->ossdev->sample_rate *
2971         wwi->ossdev->channels * (wwi->ossdev->format == AFMT_U8 ? 1 : 2)));
2972
2973     wwi->dwFragmentSize = info.fragsize;
2974
2975     TRACE("dwFragmentSize=%u\n", wwi->dwFragmentSize);
2976     TRACE("wBitsPerSample=%u, nAvgBytesPerSec=%u, nSamplesPerSec=%u, nChannels=%u nBlockAlign=%u!\n",
2977           wwi->waveFormat.Format.wBitsPerSample, wwi->waveFormat.Format.nAvgBytesPerSec,
2978           wwi->waveFormat.Format.nSamplesPerSec, wwi->waveFormat.Format.nChannels,
2979           wwi->waveFormat.Format.nBlockAlign);
2980
2981     OSS_InitRingMessage(&wwi->msgRing);
2982
2983     wwi->hStartUpEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
2984     wwi->hThread = CreateThread(NULL, 0, widRecorder, (LPVOID)(DWORD)wDevID, 0, &(wwi->dwThreadID));
2985     if (wwi->hThread)
2986         SetThreadPriority(wwi->hThread, THREAD_PRIORITY_TIME_CRITICAL);
2987     WaitForSingleObject(wwi->hStartUpEvent, INFINITE);
2988     CloseHandle(wwi->hStartUpEvent);
2989     wwi->hStartUpEvent = INVALID_HANDLE_VALUE;
2990
2991     return widNotifyClient(wwi, WIM_OPEN, 0L, 0L);
2992 }
2993
2994 /**************************************************************************
2995  *                              widClose                        [internal]
2996  */
2997 static DWORD widClose(WORD wDevID)
2998 {
2999     WINE_WAVEIN*        wwi;
3000
3001     TRACE("(%u);\n", wDevID);
3002     if (wDevID >= numInDev || WInDev[wDevID].state == WINE_WS_CLOSED) {
3003         WARN("can't close !\n");
3004         return MMSYSERR_INVALHANDLE;
3005     }
3006
3007     wwi = &WInDev[wDevID];
3008
3009     if (wwi->lpQueuePtr != NULL) {
3010         WARN("still buffers open !\n");
3011         return WAVERR_STILLPLAYING;
3012     }
3013
3014     OSS_AddRingMessage(&wwi->msgRing, WINE_WM_CLOSING, 0, TRUE);
3015     OSS_CloseDevice(wwi->ossdev);
3016     wwi->state = WINE_WS_CLOSED;
3017     wwi->dwFragmentSize = 0;
3018     OSS_DestroyRingMessage(&wwi->msgRing);
3019     return widNotifyClient(wwi, WIM_CLOSE, 0L, 0L);
3020 }
3021
3022 /**************************************************************************
3023  *                              widAddBuffer            [internal]
3024  */
3025 static DWORD widAddBuffer(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
3026 {
3027     TRACE("(%u, %p, %08X);\n", wDevID, lpWaveHdr, dwSize);
3028
3029     if (wDevID >= numInDev || WInDev[wDevID].state == WINE_WS_CLOSED) {
3030         WARN("can't do it !\n");
3031         return MMSYSERR_INVALHANDLE;
3032     }
3033     if (!(lpWaveHdr->dwFlags & WHDR_PREPARED)) {
3034         TRACE("never been prepared !\n");
3035         return WAVERR_UNPREPARED;
3036     }
3037     if (lpWaveHdr->dwFlags & WHDR_INQUEUE) {
3038         TRACE("header already in use !\n");
3039         return WAVERR_STILLPLAYING;
3040     }
3041
3042     lpWaveHdr->dwFlags |= WHDR_INQUEUE;
3043     lpWaveHdr->dwFlags &= ~WHDR_DONE;
3044     lpWaveHdr->dwBytesRecorded = 0;
3045     lpWaveHdr->lpNext = NULL;
3046
3047     OSS_AddRingMessage(&WInDev[wDevID].msgRing, WINE_WM_HEADER, (DWORD)lpWaveHdr, FALSE);
3048     return MMSYSERR_NOERROR;
3049 }
3050
3051 /**************************************************************************
3052  *                      widStart                                [internal]
3053  */
3054 static DWORD widStart(WORD wDevID)
3055 {
3056     TRACE("(%u);\n", wDevID);
3057     if (wDevID >= numInDev || WInDev[wDevID].state == WINE_WS_CLOSED) {
3058         WARN("can't start recording !\n");
3059         return MMSYSERR_INVALHANDLE;
3060     }
3061
3062     OSS_AddRingMessage(&WInDev[wDevID].msgRing, WINE_WM_STARTING, 0, TRUE);
3063     return MMSYSERR_NOERROR;
3064 }
3065
3066 /**************************************************************************
3067  *                      widStop                                 [internal]
3068  */
3069 static DWORD widStop(WORD wDevID)
3070 {
3071     TRACE("(%u);\n", wDevID);
3072     if (wDevID >= numInDev || WInDev[wDevID].state == WINE_WS_CLOSED) {
3073         WARN("can't stop !\n");
3074         return MMSYSERR_INVALHANDLE;
3075     }
3076
3077     OSS_AddRingMessage(&WInDev[wDevID].msgRing, WINE_WM_STOPPING, 0, TRUE);
3078
3079     return MMSYSERR_NOERROR;
3080 }
3081
3082 /**************************************************************************
3083  *                      widReset                                [internal]
3084  */
3085 static DWORD widReset(WORD wDevID)
3086 {
3087     TRACE("(%u);\n", wDevID);
3088     if (wDevID >= numInDev || WInDev[wDevID].state == WINE_WS_CLOSED) {
3089         WARN("can't reset !\n");
3090         return MMSYSERR_INVALHANDLE;
3091     }
3092     OSS_AddRingMessage(&WInDev[wDevID].msgRing, WINE_WM_RESETTING, 0, TRUE);
3093     return MMSYSERR_NOERROR;
3094 }
3095
3096 /**************************************************************************
3097  *                              widGetPosition                  [internal]
3098  */
3099 static DWORD widGetPosition(WORD wDevID, LPMMTIME lpTime, DWORD uSize)
3100 {
3101     WINE_WAVEIN*        wwi;
3102
3103     TRACE("(%u, %p, %u);\n", wDevID, lpTime, uSize);
3104
3105     if (wDevID >= numInDev || WInDev[wDevID].state == WINE_WS_CLOSED) {
3106         WARN("can't get pos !\n");
3107         return MMSYSERR_INVALHANDLE;
3108     }
3109
3110     if (lpTime == NULL) {
3111         WARN("invalid parameter: lpTime == NULL\n");
3112         return MMSYSERR_INVALPARAM;
3113     }
3114
3115     wwi = &WInDev[wDevID];
3116 #ifdef EXACT_WIDPOSITION
3117     if (wwi->ossdev->in_caps_support & WAVECAPS_SAMPLEACCURATE)
3118         OSS_AddRingMessage(&(wwi->msgRing), WINE_WM_UPDATE, 0, TRUE);
3119 #endif
3120
3121     return bytes_to_mmtime(lpTime, wwi->dwTotalRecorded, &wwi->waveFormat);
3122 }
3123
3124 /**************************************************************************
3125  *                              widMessage (WINEOSS.6)
3126  */
3127 DWORD WINAPI OSS_widMessage(WORD wDevID, WORD wMsg, DWORD dwUser,
3128                             DWORD dwParam1, DWORD dwParam2)
3129 {
3130     TRACE("(%u, %s, %08X, %08X, %08X);\n",
3131           wDevID, getMessage(wMsg), dwUser, dwParam1, dwParam2);
3132
3133     switch (wMsg) {
3134     case DRVM_INIT:
3135     case DRVM_EXIT:
3136     case DRVM_ENABLE:
3137     case DRVM_DISABLE:
3138         /* FIXME: Pretend this is supported */
3139         return 0;
3140     case WIDM_OPEN:             return widOpen       (wDevID, (LPWAVEOPENDESC)dwParam1, dwParam2);
3141     case WIDM_CLOSE:            return widClose      (wDevID);
3142     case WIDM_ADDBUFFER:        return widAddBuffer  (wDevID, (LPWAVEHDR)dwParam1, dwParam2);
3143     case WIDM_PREPARE:          return MMSYSERR_NOTSUPPORTED;
3144     case WIDM_UNPREPARE:        return MMSYSERR_NOTSUPPORTED;
3145     case WIDM_GETDEVCAPS:       return widGetDevCaps (wDevID, (LPWAVEINCAPSW)dwParam1, dwParam2);
3146     case WIDM_GETNUMDEVS:       return numInDev;
3147     case WIDM_GETPOS:           return widGetPosition(wDevID, (LPMMTIME)dwParam1, dwParam2);
3148     case WIDM_RESET:            return widReset      (wDevID);
3149     case WIDM_START:            return widStart      (wDevID);
3150     case WIDM_STOP:             return widStop       (wDevID);
3151     case DRV_QUERYDEVICEINTERFACESIZE: return widDevInterfaceSize      (wDevID, (LPDWORD)dwParam1);
3152     case DRV_QUERYDEVICEINTERFACE:     return widDevInterface          (wDevID, (PWCHAR)dwParam1, dwParam2);
3153     case DRV_QUERYDSOUNDIFACE:  return widDsCreate   (wDevID, (PIDSCDRIVER*)dwParam1);
3154     case DRV_QUERYDSOUNDDESC:   return widDsDesc     (wDevID, (PDSDRIVERDESC)dwParam1);
3155     default:
3156         FIXME("unknown message %u!\n", wMsg);
3157     }
3158     return MMSYSERR_NOTSUPPORTED;
3159 }
3160
3161 #else /* !HAVE_OSS */
3162
3163 /**************************************************************************
3164  *                              wodMessage (WINEOSS.7)
3165  */
3166 DWORD WINAPI OSS_wodMessage(WORD wDevID, WORD wMsg, DWORD dwUser,
3167                             DWORD dwParam1, DWORD dwParam2)
3168 {
3169     FIXME("(%u, %04X, %08X, %08X, %08X):stub\n", wDevID, wMsg, dwUser, dwParam1, dwParam2);
3170     return MMSYSERR_NOTENABLED;
3171 }
3172
3173 /**************************************************************************
3174  *                              widMessage (WINEOSS.6)
3175  */
3176 DWORD WINAPI OSS_widMessage(WORD wDevID, WORD wMsg, DWORD dwUser,
3177                             DWORD dwParam1, DWORD dwParam2)
3178 {
3179     FIXME("(%u, %04X, %08X, %08X, %08X):stub\n", wDevID, wMsg, dwUser, dwParam1, dwParam2);
3180     return MMSYSERR_NOTENABLED;
3181 }
3182
3183 #endif /* HAVE_OSS */