dlls/winmm/wineoss/audio.c

   1 /* -*- tab-width: 8; c-basic-offset: 4 -*- */
   2 /*
   3  * Sample Wine Driver for Open Sound System (featured in Linux and FreeBSD)
   4  *
   5  * Copyright 1994 Martin Ayotte
   6  *           1999 Eric Pouech (async playing in waveOut/waveIn)
   7  *           2000 Eric Pouech (loops in waveOut)
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  22  */
  23 /*
  24  * FIXME:
  25  *      pause in waveOut does not work correctly in loop mode
  26  *      experimental full duplex mode
  27  *      only one sound card is currently supported
  28  */
  29
  30 /*#define EMULATE_SB16*/
  31
  32 /* unless someone makes a wineserver kernel module, Unix pipes are faster than win32 events */
  33 #define USE_PIPE_SYNC
  34
  35 /* an exact wodGetPosition is usually not worth the extra context switches,
  36  * as we're going to have near fragment accuracy anyway */
  37 /* #define EXACT_WODPOSITION */
  38
  39 #include "config.h"
  40
  41 #include <stdlib.h>
  42 #include <stdio.h>
  43 #include <string.h>
  44 #ifdef HAVE_UNISTD_H
  45 # include <unistd.h>
  46 #endif
  47 #include <errno.h>
  48 #include <fcntl.h>
  49 #ifdef HAVE_SYS_IOCTL_H
  50 # include <sys/ioctl.h>
  51 #endif
  52 #ifdef HAVE_SYS_MMAN_H
  53 # include <sys/mman.h>
  54 #endif
  55 #ifdef HAVE_SYS_POLL_H
  56 # include <sys/poll.h>
  57 #endif
  58
  59 #include "windef.h"
  60 #include "wingdi.h"
  61 #include "winerror.h"
  62 #include "wine/winuser16.h"
  63 #include "mmddk.h"
  64 #include "dsound.h"
  65 #include "dsdriver.h"
  66 #include "oss.h"
  67 #include "wine/debug.h"
  68
  69 WINE_DEFAULT_DEBUG_CHANNEL(wave);
  70
  71 /* Allow 1% deviation for sample rates (some ES137x cards) */
  72 #define NEAR_MATCH(rate1,rate2) (((100*((int)(rate1)-(int)(rate2)))/(rate1))==0)
  73
  74 #ifdef HAVE_OSS
  75
  76 #define MAX_WAVEDRV     (1)
  77
  78 /* state diagram for waveOut writing:
  79  *
  80  * +---------+-------------+---------------+---------------------------------+
  81  * |  state  |  function   |     event     |            new state            |
  82  * +---------+-------------+---------------+---------------------------------+
  83  * |         | open()      |               | STOPPED                         |
  84  * | PAUSED  | write()     |               | PAUSED                          |
  85  * | STOPPED | write()     | <thrd create> | PLAYING                         |
  86  * | PLAYING | write()     | HEADER        | PLAYING                         |
  87  * | (other) | write()     | <error>       |                                 |
  88  * | (any)   | pause()     | PAUSING       | PAUSED                          |
  89  * | PAUSED  | restart()   | RESTARTING    | PLAYING (if no thrd => STOPPED) |
  90  * | (any)   | reset()     | RESETTING     | STOPPED                         |
  91  * | (any)   | close()     | CLOSING       | CLOSED                          |
  92  * +---------+-------------+---------------+---------------------------------+
  93  */
  94
  95 /* states of the playing device */
  96 #define WINE_WS_PLAYING         0
  97 #define WINE_WS_PAUSED          1
  98 #define WINE_WS_STOPPED         2
  99 #define WINE_WS_CLOSED          3
 100
 101 /* events to be send to device */
 102 enum win_wm_message {
 103     WINE_WM_PAUSING = WM_USER + 1, WINE_WM_RESTARTING, WINE_WM_RESETTING, WINE_WM_HEADER,
 104     WINE_WM_UPDATE, WINE_WM_BREAKLOOP, WINE_WM_CLOSING
 105 };
 106
 107 #ifdef USE_PIPE_SYNC
 108 #define SIGNAL_OMR(omr) do { int x = 0; write((omr)->msg_pipe[1], &x, sizeof(x)); } while (0)
 109 #define CLEAR_OMR(omr) do { int x = 0; read((omr)->msg_pipe[0], &x, sizeof(x)); } while (0)
 110 #define RESET_OMR(omr) do { } while (0)
 111 #define WAIT_OMR(omr, sleep) \
 112   do { struct pollfd pfd; pfd.fd = (omr)->msg_pipe[0]; \
 113        pfd.events = POLLIN; poll(&pfd, 1, sleep); } while (0)
 114 #else
 115 #define SIGNAL_OMR(omr) do { SetEvent((omr)->msg_event); } while (0)
 116 #define CLEAR_OMR(omr) do { } while (0)
 117 #define RESET_OMR(omr) do { ResetEvent((omr)->msg_event); } while (0)
 118 #define WAIT_OMR(omr, sleep) \
 119   do { WaitForSingleObject((omr)->msg_event, sleep); } while (0)
 120 #endif
 121
 122 typedef struct {
 123     enum win_wm_message         msg;    /* message identifier */
 124     DWORD                       param;  /* parameter for this message */
 125     HANDLE                      hEvent; /* if message is synchronous, handle of event for synchro */
 126 } OSS_MSG;
 127
 128 /* implement an in-process message ring for better performance
 129  * (compared to passing thru the server)
 130  * this ring will be used by the input (resp output) record (resp playback) routine
 131  */
 132 typedef struct {
 133     /* FIXME: this could be made a dynamically growing array (if needed) */
 134     /* maybe it's needed, a Humongous game manages to transmit 128 messages at once at startup */
 135 #define OSS_RING_BUFFER_SIZE    192
 136     OSS_MSG                     messages[OSS_RING_BUFFER_SIZE];
 137     int                         msg_tosave;
 138     int                         msg_toget;
 139 #ifdef USE_PIPE_SYNC
 140     int                         msg_pipe[2];
 141 #else
 142     HANDLE                      msg_event;
 143 #endif
 144     CRITICAL_SECTION            msg_crst;
 145 } OSS_MSG_RING;
 146
 147 typedef struct {
 148     int                         unixdev;
 149     volatile int                state;                  /* one of the WINE_WS_ manifest constants */
 150     WAVEOPENDESC                waveDesc;
 151     WORD                        wFlags;
 152     PCMWAVEFORMAT               format;
 153
 154     /* OSS information */
 155     DWORD                       dwFragmentSize;         /* size of OSS buffer fragment */
 156     DWORD                       dwBufferSize;           /* size of whole OSS buffer in bytes */
 157     LPWAVEHDR                   lpQueuePtr;             /* start of queued WAVEHDRs (waiting to be notified) */
 158     LPWAVEHDR                   lpPlayPtr;              /* start of not yet fully played buffers */
 159     DWORD                       dwPartialOffset;        /* Offset of not yet written bytes in lpPlayPtr */
 160
 161     LPWAVEHDR                   lpLoopPtr;              /* pointer of first buffer in loop, if any */
 162     DWORD                       dwLoops;                /* private copy of loop counter */
 163
 164     DWORD                       dwPlayedTotal;          /* number of bytes actually played since opening */
 165     DWORD                       dwWrittenTotal;         /* number of bytes written to OSS buffer since opening */
 166     BOOL                        bNeedPost;              /* whether audio still needs to be physically started */
 167
 168     /* synchronization stuff */
 169     HANDLE                      hStartUpEvent;
 170     HANDLE                      hThread;
 171     DWORD                       dwThreadID;
 172     OSS_MSG_RING                msgRing;
 173
 174     /* DirectSound stuff */
 175     LPBYTE                      mapping;
 176     DWORD                       maplen;
 177 } WINE_WAVEOUT;
 178
 179 typedef struct {
 180     int                         unixdev;
 181     volatile int                state;
 182     DWORD                       dwFragmentSize;         /* OpenSound '/dev/dsp' give us that size */
 183     WAVEOPENDESC                waveDesc;
 184     WORD                        wFlags;
 185     PCMWAVEFORMAT               format;
 186     LPWAVEHDR                   lpQueuePtr;
 187     DWORD                       dwTotalRecorded;
 188     BOOL                        bTriggerSupport;
 189
 190     /* synchronization stuff */
 191     HANDLE                      hThread;
 192     DWORD                       dwThreadID;
 193     HANDLE                      hStartUpEvent;
 194     OSS_MSG_RING                msgRing;
 195 } WINE_WAVEIN;
 196
 197 static WINE_WAVEOUT     WOutDev   [MAX_WAVEDRV];
 198 static WINE_WAVEIN      WInDev    [MAX_WAVEDRV];
 199 static unsigned         numOutDev;
 200 static unsigned         numInDev;
 201
 202 static DWORD wodDsCreate(UINT wDevID, PIDSDRIVER* drv);
 203
 204 /* These strings used only for tracing */
 205 static const char *wodPlayerCmdString[] = {
 206     "WINE_WM_PAUSING",
 207     "WINE_WM_RESTARTING",
 208     "WINE_WM_RESETTING",
 209     "WINE_WM_HEADER",
 210     "WINE_WM_UPDATE",
 211     "WINE_WM_BREAKLOOP",
 212     "WINE_WM_CLOSING",
 213 };
 214
 215 /*======================================================================*
 216  *                  Low level WAVE implementation                       *
 217  *======================================================================*/
 218 #define USE_FULLDUPLEX
 219
 220 typedef struct tagOSS_DEVICE {
 221     const char*         dev_name;
 222     const char*         mixer_name;
 223     unsigned            open_count;
 224     WAVEOUTCAPSA        out_caps;
 225     WAVEINCAPSA         in_caps;
 226 #ifdef USE_FULLDUPLEX
 227     unsigned            open_access;
 228     int                 fd;
 229     DWORD               owner_tid;
 230     unsigned            sample_rate;
 231     unsigned            stereo;
 232     unsigned            format;
 233     unsigned            audio_fragment;
 234 #endif
 235     BOOL                full_duplex;
 236 } OSS_DEVICE;
 237
 238 OSS_DEVICE   OSS_Devices[MAX_WAVEDRV];
 239
 240 /******************************************************************
 241  *              OSS_OpenDevice
 242  *
 243  * since OSS has poor capabilities in full duplex, we try here to let a program
 244  * open the device for both waveout and wavein streams...
 245  * this is hackish, but it's the way OSS interface is done...
 246  */
 247 static DWORD    OSS_OpenDevice(unsigned wDevID, int* pfd, unsigned req_access,
 248                                int* frag, int sample_rate, int stereo, int fmt)
 249 {
 250     OSS_DEVICE* ossdev;
 251     int         val;
 252     int         fd = -1;
 253
 254     if (wDevID >= MAX_WAVEDRV) return MMSYSERR_BADDEVICEID;
 255     ossdev = &OSS_Devices[wDevID];
 256
 257     if (ossdev->full_duplex && (req_access == O_RDONLY || req_access == O_WRONLY))
 258         req_access = O_RDWR;
 259
 260     /* FIXME: race with close */
 261     if (ossdev->open_count == 0)
 262     {
 263         if (access(ossdev->dev_name, 0) != 0) return MMSYSERR_NODRIVER;
 264
 265         if ((fd = open(ossdev->dev_name, req_access|O_NDELAY, 0)) == -1)
 266         {
 267             WARN("Couldn't open out %s (%s)\n", ossdev->dev_name, strerror(errno));
 268             return (errno == EBUSY) ? MMSYSERR_ALLOCATED : MMSYSERR_ERROR;
 269         }
 270         fcntl(fd, F_SETFD, 1); /* set close on exec flag */
 271         /* turn full duplex on if it has been requested */
 272         if (req_access == O_RDWR && ossdev->full_duplex)
 273             ioctl(fd, SNDCTL_DSP_SETDUPLEX, 0);
 274
 275         if (frag)       ioctl(fd, SNDCTL_DSP_SETFRAGMENT, frag);
 276
 277         /* First size and stereo then samplerate */
 278         if (fmt)
 279         {
 280             val = fmt;
 281             ioctl(fd, SNDCTL_DSP_SETFMT, &val);
 282             if (val != fmt)
 283                 ERR("Can't set format to %d (%d)\n", fmt, val);
 284         }
 285         if (stereo)
 286         {
 287             val = stereo;
 288             ioctl(fd, SNDCTL_DSP_STEREO, &val);
 289             if (val != stereo)
 290                 ERR("Can't set stereo to %u (%d)\n", stereo, val);
 291         }
 292         if (sample_rate)
 293         {
 294             val = sample_rate;
 295             ioctl(fd, SNDCTL_DSP_SPEED, &sample_rate);
 296             if (!NEAR_MATCH(val, sample_rate))
 297                 ERR("Can't set sample_rate to %u (%d)\n", sample_rate, val);
 298         }
 299 #ifdef USE_FULLDUPLEX
 300         ossdev->audio_fragment = (frag) ? *frag : 0;
 301         ossdev->sample_rate = sample_rate;
 302         ossdev->stereo = stereo;
 303         ossdev->format = fmt;
 304         ossdev->open_access = req_access;
 305         ossdev->owner_tid = GetCurrentThreadId();
 306         ossdev->fd = fd;
 307 #endif
 308     }
 309     else
 310     {
 311 #ifdef USE_FULLDUPLEX
 312         /* check we really open with the same parameters */
 313         if (ossdev->open_access != req_access)
 314         {
 315             WARN("Mismatch in access...\n");
 316             return WAVERR_BADFORMAT;
 317         }
 318         /* FIXME: if really needed, we could do, in this case, on the fly
 319          * PCM conversion (using the MSACM ad hoc driver)
 320          */
 321         if (ossdev->audio_fragment != (frag ? *frag : 0) ||
 322             ossdev->sample_rate != sample_rate ||
 323             ossdev->stereo != stereo ||
 324             ossdev->format != fmt)
 325         {
 326             WARN("FullDuplex: mismatch in PCM parameters for input and output\n"
 327                  "OSS doesn't allow us different parameters\n"
 328                  "audio_frag(%x/%x) sample_rate(%d/%d) stereo(%d/%d) fmt(%d/%d)\n",
 329                  ossdev->audio_fragment, frag ? *frag : 0,
 330                  ossdev->sample_rate, sample_rate,
 331                  ossdev->stereo, stereo,
 332                  ossdev->format, fmt);
 333             return WAVERR_BADFORMAT;
 334         }
 335         if (GetCurrentThreadId() != ossdev->owner_tid)
 336         {
 337             WARN("Another thread is trying to access audio...\n");
 338             return MMSYSERR_ERROR;
 339         }
 340 #endif
 341     }
 342
 343 #ifdef USE_FULLDUPLEX
 344     ossdev->open_count++;
 345 #endif
 346     *pfd = fd;
 347     return MMSYSERR_NOERROR;
 348 }
 349
 350 /******************************************************************
 351  *              OSS_CloseDevice
 352  *
 353  *
 354  */
 355 static void     OSS_CloseDevice(unsigned wDevID, int fd)
 356 {
 357     OSS_DEVICE* ossdev;
 358
 359     if (wDevID >= MAX_WAVEDRV) return;
 360 #ifdef USE_FULLDUPLEX
 361     ossdev = &OSS_Devices[wDevID];
 362     if (fd != ossdev->fd) FIXME("What the heck????\n");
 363     if (--ossdev->open_count == 0) close(ossdev->fd);
 364 #else
 365     /* wDevID: is not used yet, we handle only one global device /dev/dsp */
 366     close(fd);
 367 #endif
 368 }
 369
 370 /******************************************************************
 371  *              OSS_WaveOutInit
 372  *
 373  *
 374  */
 375 static void     OSS_WaveOutInit(unsigned devID, OSS_DEVICE* ossdev)
 376 {
 377     int                 audio;
 378     int                 smplrate;
 379     int                 samplesize = 16;
 380     int                 dsp_stereo = 1;
 381     int                 bytespersmpl;
 382     int                 caps;
 383     int                 mask;
 384
 385     WOutDev[devID].unixdev = -1;
 386     memset(&ossdev->out_caps, 0, sizeof(ossdev->out_caps));
 387
 388     if (OSS_OpenDevice(devID, &audio, O_WRONLY, NULL, 0, 0, 0) != 0) return;
 389     numOutDev++;
 390
 391     ioctl(audio, SNDCTL_DSP_RESET, 0);
 392
 393     /* FIXME: some programs compare this string against the content of the registry
 394      * for MM drivers. The names have to match in order for the program to work
 395      * (e.g. MS win9x mplayer.exe)
 396      */
 397 #ifdef EMULATE_SB16
 398     ossdev->out_caps.wMid = 0x0002;
 399     ossdev->out_caps.wPid = 0x0104;
 400     strcpy(ossdev->out_caps.szPname, "SB16 Wave Out");
 401 #else
 402     ossdev->out_caps.wMid = 0x00FF;     /* Manufac ID */
 403     ossdev->out_caps.wPid = 0x0001;     /* Product ID */
 404     /*    strcpy(ossdev->out_caps.szPname, "OpenSoundSystem WAVOUT Driver");*/
 405     strcpy(ossdev->out_caps.szPname, "CS4236/37/38");
 406 #endif
 407     ossdev->out_caps.vDriverVersion = 0x0100;
 408     ossdev->out_caps.dwFormats = 0x00000000;
 409     ossdev->out_caps.dwSupport = WAVECAPS_VOLUME;
 410
 411     ioctl(audio, SNDCTL_DSP_GETFMTS, &mask);
 412     TRACE("OSS dsp out mask=%08x\n", mask);
 413
 414     /* First bytespersampl, then stereo */
 415     bytespersmpl = (ioctl(audio, SNDCTL_DSP_SAMPLESIZE, &samplesize) != 0) ? 1 : 2;
 416
 417     ossdev->out_caps.wChannels = (ioctl(audio, SNDCTL_DSP_STEREO, &dsp_stereo) != 0) ? 1 : 2;
 418     if (ossdev->out_caps.wChannels > 1) ossdev->out_caps.dwSupport |= WAVECAPS_LRVOLUME;
 419
 420     smplrate = 44100;
 421     if (ioctl(audio, SNDCTL_DSP_SPEED, &smplrate) == 0) {
 422         if (mask & AFMT_U8) {
 423             ossdev->out_caps.dwFormats |= WAVE_FORMAT_4M08;
 424             if (ossdev->out_caps.wChannels > 1)
 425                 ossdev->out_caps.dwFormats |= WAVE_FORMAT_4S08;
 426         }
 427         if ((mask & AFMT_S16_LE) && bytespersmpl > 1) {
 428             ossdev->out_caps.dwFormats |= WAVE_FORMAT_4M16;
 429             if (ossdev->out_caps.wChannels > 1)
 430                 ossdev->out_caps.dwFormats |= WAVE_FORMAT_4S16;
 431         }
 432     }
 433     smplrate = 22050;
 434     if (ioctl(audio, SNDCTL_DSP_SPEED, &smplrate) == 0) {
 435         if (mask & AFMT_U8) {
 436             ossdev->out_caps.dwFormats |= WAVE_FORMAT_2M08;
 437             if (ossdev->out_caps.wChannels > 1)
 438                 ossdev->out_caps.dwFormats |= WAVE_FORMAT_2S08;
 439         }
 440         if ((mask & AFMT_S16_LE) && bytespersmpl > 1) {
 441             ossdev->out_caps.dwFormats |= WAVE_FORMAT_2M16;
 442             if (ossdev->out_caps.wChannels > 1)
 443                 ossdev->out_caps.dwFormats |= WAVE_FORMAT_2S16;
 444         }
 445     }
 446     smplrate = 11025;
 447     if (ioctl(audio, SNDCTL_DSP_SPEED, &smplrate) == 0) {
 448         if (mask & AFMT_U8) {
 449             ossdev->out_caps.dwFormats |= WAVE_FORMAT_1M08;
 450             if (ossdev->out_caps.wChannels > 1)
 451                 ossdev->out_caps.dwFormats |= WAVE_FORMAT_1S08;
 452         }
 453         if ((mask & AFMT_S16_LE) && bytespersmpl > 1) {
 454             ossdev->out_caps.dwFormats |= WAVE_FORMAT_1M16;
 455             if (ossdev->out_caps.wChannels > 1)
 456                 ossdev->out_caps.dwFormats |= WAVE_FORMAT_1S16;
 457         }
 458     }
 459     if (ioctl(audio, SNDCTL_DSP_GETCAPS, &caps) == 0) {
 460         TRACE("OSS dsp out caps=%08X\n", caps);
 461         if ((caps & DSP_CAP_REALTIME) && !(caps & DSP_CAP_BATCH)) {
 462             ossdev->out_caps.dwSupport |= WAVECAPS_SAMPLEACCURATE;
 463         }
 464         /* well, might as well use the DirectSound cap flag for something */
 465         if ((caps & DSP_CAP_TRIGGER) && (caps & DSP_CAP_MMAP) &&
 466             !(caps & DSP_CAP_BATCH))
 467             ossdev->out_caps.dwSupport |= WAVECAPS_DIRECTSOUND;
 468     }
 469     OSS_CloseDevice(devID, audio);
 470     TRACE("out dwFormats = %08lX, dwSupport = %08lX\n",
 471           ossdev->out_caps.dwFormats, ossdev->out_caps.dwSupport);
 472
 473 }
 474
 475 /******************************************************************
 476  *              OSS_WaveInInit
 477  *
 478  *
 479  */
 480 static void OSS_WaveInInit(unsigned devID, OSS_DEVICE* ossdev)
 481 {
 482     int                 audio;
 483     int                 smplrate;
 484     int                 samplesize = 16;
 485     int                 dsp_stereo = 1;
 486     int                 bytespersmpl;
 487     int                 caps;
 488     int                 mask;
 489
 490     samplesize = 16;
 491     dsp_stereo = 1;
 492
 493     WInDev[devID].unixdev = -1;
 494
 495     memset(&ossdev->in_caps, 0, sizeof(ossdev->in_caps));
 496
 497     if (OSS_OpenDevice(0, &audio, O_RDONLY, NULL, 0, 0, 0) != 0) return;
 498     numInDev++;
 499
 500     ioctl(audio, SNDCTL_DSP_RESET, 0);
 501
 502 #ifdef EMULATE_SB16
 503     ossdev->in_caps.wMid = 0x0002;
 504     ossdev->in_caps.wPid = 0x0004;
 505     strcpy(ossdev->in_caps.szPname, "SB16 Wave In");
 506 #else
 507     ossdev->in_caps.wMid = 0x00FF;      /* Manufac ID */
 508     ossdev->in_caps.wPid = 0x0001;      /* Product ID */
 509     strcpy(ossdev->in_caps.szPname, "OpenSoundSystem WAVIN Driver");
 510 #endif
 511     ossdev->in_caps.dwFormats = 0x00000000;
 512     ossdev->in_caps.wChannels = (ioctl(audio, SNDCTL_DSP_STEREO, &dsp_stereo) != 0) ? 1 : 2;
 513
 514     WInDev[devID].bTriggerSupport = FALSE;
 515     if (ioctl(audio, SNDCTL_DSP_GETCAPS, &caps) == 0) {
 516         TRACE("OSS dsp in caps=%08X\n", caps);
 517         if (caps & DSP_CAP_TRIGGER)
 518             WInDev[devID].bTriggerSupport = TRUE;
 519     }
 520
 521     ioctl(audio, SNDCTL_DSP_GETFMTS, &mask);
 522     TRACE("OSS in dsp mask=%08x\n", mask);
 523
 524     bytespersmpl = (ioctl(audio, SNDCTL_DSP_SAMPLESIZE, &samplesize) != 0) ? 1 : 2;
 525     smplrate = 44100;
 526     if (ioctl(audio, SNDCTL_DSP_SPEED, &smplrate) == 0) {
 527         if (mask & AFMT_U8) {
 528             ossdev->in_caps.dwFormats |= WAVE_FORMAT_4M08;
 529             if (ossdev->in_caps.wChannels > 1)
 530                 ossdev->in_caps.dwFormats |= WAVE_FORMAT_4S08;
 531         }
 532         if ((mask & AFMT_S16_LE) && bytespersmpl > 1) {
 533             ossdev->in_caps.dwFormats |= WAVE_FORMAT_4M16;
 534             if (ossdev->in_caps.wChannels > 1)
 535                 ossdev->in_caps.dwFormats |= WAVE_FORMAT_4S16;
 536         }
 537     }
 538     smplrate = 22050;
 539     if (ioctl(audio, SNDCTL_DSP_SPEED, &smplrate) == 0) {
 540         if (mask & AFMT_U8) {
 541             ossdev->in_caps.dwFormats |= WAVE_FORMAT_2M08;
 542             if (ossdev->in_caps.wChannels > 1)
 543                 ossdev->in_caps.dwFormats |= WAVE_FORMAT_2S08;
 544         }
 545         if ((mask & AFMT_S16_LE) && bytespersmpl > 1) {
 546             ossdev->in_caps.dwFormats |= WAVE_FORMAT_2M16;
 547             if (ossdev->in_caps.wChannels > 1)
 548                 ossdev->in_caps.dwFormats |= WAVE_FORMAT_2S16;
 549         }
 550     }
 551     smplrate = 11025;
 552     if (ioctl(audio, SNDCTL_DSP_SPEED, &smplrate) == 0) {
 553         if (mask & AFMT_U8) {
 554             ossdev->in_caps.dwFormats |= WAVE_FORMAT_1M08;
 555             if (ossdev->in_caps.wChannels > 1)
 556                 ossdev->in_caps.dwFormats |= WAVE_FORMAT_1S08;
 557         }
 558         if ((mask & AFMT_S16_LE) && bytespersmpl > 1) {
 559             ossdev->in_caps.dwFormats |= WAVE_FORMAT_1M16;
 560             if (ossdev->in_caps.wChannels > 1)
 561                 ossdev->in_caps.dwFormats |= WAVE_FORMAT_1S16;
 562         }
 563     }
 564     OSS_CloseDevice(devID, audio);
 565     TRACE("in dwFormats = %08lX\n", ossdev->in_caps.dwFormats);
 566 }
 567
 568 /******************************************************************
 569  *              OSS_WaveFullDuplexInit
 570  *
 571  *
 572  */
 573 static void OSS_WaveFullDuplexInit(unsigned devID, OSS_DEVICE* ossdev)
 574 {
 575 #ifdef USE_FULLDUPLEX
 576     int         audio;
 577     int         caps;
 578
 579     if (OSS_OpenDevice(devID, &audio, O_RDWR, NULL, 0, 0, 0) != 0) return;
 580     if (ioctl(audio, SNDCTL_DSP_GETCAPS, &caps) == 0)
 581     {
 582         ossdev->full_duplex = (caps & DSP_CAP_DUPLEX);
 583     }
 584     OSS_CloseDevice(devID, audio);
 585 #endif
 586 }
 587
 588 /******************************************************************
 589  *              OSS_WaveInit
 590  *
 591  * Initialize internal structures from OSS information
 592  */
 593 LONG OSS_WaveInit(void)
 594 {
 595     int         i;
 596
 597     /* FIXME: only one device is supported */
 598     memset(&OSS_Devices, 0, sizeof(OSS_Devices));
 599     OSS_Devices[0].dev_name = "/dev/dsp";
 600     OSS_Devices[0].mixer_name = "/dev/mixer";
 601
 602     /* start with output device */
 603     for (i = 0; i < MAX_WAVEDRV; ++i)
 604         OSS_WaveOutInit(i, &OSS_Devices[i]);
 605
 606     /* then do input device */
 607     for (i = 0; i < MAX_WAVEDRV; ++i)
 608         OSS_WaveInInit(i, &OSS_Devices[i]);
 609
 610     /* finish with the full duplex bits */
 611     for (i = 0; i < MAX_WAVEDRV; i++)
 612         OSS_WaveFullDuplexInit(i, &OSS_Devices[i]);
 613
 614     return 0;
 615 }
 616
 617 /******************************************************************
 618  *              OSS_InitRingMessage
 619  *
 620  * Initialize the ring of messages for passing between driver's caller and playback/record
 621  * thread
 622  */
 623 static int OSS_InitRingMessage(OSS_MSG_RING* omr)
 624 {
 625     omr->msg_toget = 0;
 626     omr->msg_tosave = 0;
 627 #ifdef USE_PIPE_SYNC
 628     if (pipe(omr->msg_pipe) < 0) {
 629         omr->msg_pipe[0] = -1;
 630         omr->msg_pipe[1] = -1;
 631         ERR("could not create pipe, error=%s\n", strerror(errno));
 632     }
 633 #else
 634     omr->msg_event = CreateEventA(NULL, FALSE, FALSE, NULL);
 635 #endif
 636     memset(omr->messages, 0, sizeof(OSS_MSG) * OSS_RING_BUFFER_SIZE);
 637     InitializeCriticalSection(&omr->msg_crst);
 638     return 0;
 639 }
 640
 641 /******************************************************************
 642  *              OSS_DestroyRingMessage
 643  *
 644  */
 645 static int OSS_DestroyRingMessage(OSS_MSG_RING* omr)
 646 {
 647 #ifdef USE_PIPE_SYNC
 648     close(omr->msg_pipe[0]);
 649     close(omr->msg_pipe[1]);
 650 #else
 651     CloseHandle(omr->msg_event);
 652 #endif
 653     DeleteCriticalSection(&omr->msg_crst);
 654     return 0;
 655 }
 656
 657 /******************************************************************
 658  *              OSS_AddRingMessage
 659  *
 660  * Inserts a new message into the ring (should be called from DriverProc derivated routines)
 661  */
 662 static int OSS_AddRingMessage(OSS_MSG_RING* omr, enum win_wm_message msg, DWORD param, BOOL wait)
 663 {
 664     HANDLE      hEvent = INVALID_HANDLE_VALUE;
 665
 666     EnterCriticalSection(&omr->msg_crst);
 667     if ((omr->msg_toget == ((omr->msg_tosave + 1) % OSS_RING_BUFFER_SIZE))) /* buffer overflow ? */
 668     {
 669         ERR("buffer overflow !?\n");
 670         LeaveCriticalSection(&omr->msg_crst);
 671         return 0;
 672     }
 673     if (wait)
 674     {
 675         hEvent = CreateEventA(NULL, FALSE, FALSE, NULL);
 676         if (hEvent == INVALID_HANDLE_VALUE)
 677         {
 678             ERR("can't create event !?\n");
 679             LeaveCriticalSection(&omr->msg_crst);
 680             return 0;
 681         }
 682         if (omr->msg_toget != omr->msg_tosave && omr->messages[omr->msg_toget].msg != WINE_WM_HEADER)
 683             FIXME("two fast messages in the queue!!!!\n");
 684
 685         /* fast messages have to be added at the start of the queue */
 686         omr->msg_toget = (omr->msg_toget + OSS_RING_BUFFER_SIZE - 1) % OSS_RING_BUFFER_SIZE;
 687
 688         omr->messages[omr->msg_toget].msg = msg;
 689         omr->messages[omr->msg_toget].param = param;
 690         omr->messages[omr->msg_toget].hEvent = hEvent;
 691     }
 692     else
 693     {
 694         omr->messages[omr->msg_tosave].msg = msg;
 695         omr->messages[omr->msg_tosave].param = param;
 696         omr->messages[omr->msg_tosave].hEvent = INVALID_HANDLE_VALUE;
 697         omr->msg_tosave = (omr->msg_tosave + 1) % OSS_RING_BUFFER_SIZE;
 698     }
 699     LeaveCriticalSection(&omr->msg_crst);
 700     /* signal a new message */
 701     SIGNAL_OMR(omr);
 702     if (wait)
 703     {
 704         /* wait for playback/record thread to have processed the message */
 705         WaitForSingleObject(hEvent, INFINITE);
 706         CloseHandle(hEvent);
 707     }
 708     return 1;
 709 }
 710
 711 /******************************************************************
 712  *              OSS_RetrieveRingMessage
 713  *
 714  * Get a message from the ring. Should be called by the playback/record thread.
 715  */
 716 static int OSS_RetrieveRingMessage(OSS_MSG_RING* omr,
 717                                    enum win_wm_message *msg, DWORD *param, HANDLE *hEvent)
 718 {
 719     EnterCriticalSection(&omr->msg_crst);
 720
 721     if (omr->msg_toget == omr->msg_tosave) /* buffer empty ? */
 722     {
 723         LeaveCriticalSection(&omr->msg_crst);
 724         return 0;
 725     }
 726
 727     *msg = omr->messages[omr->msg_toget].msg;
 728     omr->messages[omr->msg_toget].msg = 0;
 729     *param = omr->messages[omr->msg_toget].param;
 730     *hEvent = omr->messages[omr->msg_toget].hEvent;
 731     omr->msg_toget = (omr->msg_toget + 1) % OSS_RING_BUFFER_SIZE;
 732     CLEAR_OMR(omr);
 733     LeaveCriticalSection(&omr->msg_crst);
 734     return 1;
 735 }
 736
 737 /*======================================================================*
 738  *                  Low level WAVE OUT implementation                   *
 739  *======================================================================*/
 740
 741 /**************************************************************************
 742  *                      wodNotifyClient                 [internal]
 743  */
 744 static DWORD wodNotifyClient(WINE_WAVEOUT* wwo, WORD wMsg, DWORD dwParam1, DWORD dwParam2)
 745 {
 746     TRACE("wMsg = 0x%04x dwParm1 = %04lX dwParam2 = %04lX\n", wMsg, dwParam1, dwParam2);
 747
 748     switch (wMsg) {
 749     case WOM_OPEN:
 750     case WOM_CLOSE:
 751     case WOM_DONE:
 752         if (wwo->wFlags != DCB_NULL &&
 753             !DriverCallback(wwo->waveDesc.dwCallback, wwo->wFlags,
 754                             (HDRVR)wwo->waveDesc.hWave, wMsg,
 755                             wwo->waveDesc.dwInstance, dwParam1, dwParam2)) {
 756             WARN("can't notify client !\n");
 757             return MMSYSERR_ERROR;
 758         }
 759         break;
 760     default:
 761         FIXME("Unknown callback message %u\n", wMsg);
 762         return MMSYSERR_INVALPARAM;
 763     }
 764     return MMSYSERR_NOERROR;
 765 }
 766
 767 /**************************************************************************
 768  *                              wodUpdatePlayedTotal    [internal]
 769  *
 770  */
 771 static BOOL wodUpdatePlayedTotal(WINE_WAVEOUT* wwo, audio_buf_info* info)
 772 {
 773     audio_buf_info dspspace;
 774     if (!info) info = &dspspace;
 775
 776     if (ioctl(wwo->unixdev, SNDCTL_DSP_GETOSPACE, info) < 0) {
 777         ERR("ioctl can't 'SNDCTL_DSP_GETOSPACE' !\n");
 778         return FALSE;
 779     }
 780     wwo->dwPlayedTotal = wwo->dwWrittenTotal - (wwo->dwBufferSize - info->bytes);
 781     return TRUE;
 782 }
 783
 784 /**************************************************************************
 785  *                              wodPlayer_BeginWaveHdr          [internal]
 786  *
 787  * Makes the specified lpWaveHdr the currently playing wave header.
 788  * If the specified wave header is a begin loop and we're not already in
 789  * a loop, setup the loop.
 790  */
 791 static void wodPlayer_BeginWaveHdr(WINE_WAVEOUT* wwo, LPWAVEHDR lpWaveHdr)
 792 {
 793     wwo->lpPlayPtr = lpWaveHdr;
 794
 795     if (!lpWaveHdr) return;
 796
 797     if (lpWaveHdr->dwFlags & WHDR_BEGINLOOP) {
 798         if (wwo->lpLoopPtr) {
 799             WARN("Already in a loop. Discarding loop on this header (%p)\n", lpWaveHdr);
 800         } else {
 801             TRACE("Starting loop (%ldx) with %p\n", lpWaveHdr->dwLoops, lpWaveHdr);
 802             wwo->lpLoopPtr = lpWaveHdr;
 803             /* Windows does not touch WAVEHDR.dwLoops,
 804              * so we need to make an internal copy */
 805             wwo->dwLoops = lpWaveHdr->dwLoops;
 806         }
 807     }
 808     wwo->dwPartialOffset = 0;
 809 }
 810
 811 /**************************************************************************
 812  *                              wodPlayer_PlayPtrNext           [internal]
 813  *
 814  * Advance the play pointer to the next waveheader, looping if required.
 815  */
 816 static LPWAVEHDR wodPlayer_PlayPtrNext(WINE_WAVEOUT* wwo)
 817 {
 818     LPWAVEHDR lpWaveHdr = wwo->lpPlayPtr;
 819
 820     wwo->dwPartialOffset = 0;
 821     if ((lpWaveHdr->dwFlags & WHDR_ENDLOOP) && wwo->lpLoopPtr) {
 822         /* We're at the end of a loop, loop if required */
 823         if (--wwo->dwLoops > 0) {
 824             wwo->lpPlayPtr = wwo->lpLoopPtr;
 825         } else {
 826             /* Handle overlapping loops correctly */
 827             if (wwo->lpLoopPtr != lpWaveHdr && (lpWaveHdr->dwFlags & WHDR_BEGINLOOP)) {
 828                 FIXME("Correctly handled case ? (ending loop buffer also starts a new loop)\n");
 829                 /* shall we consider the END flag for the closing loop or for
 830                  * the opening one or for both ???
 831                  * code assumes for closing loop only
 832                  */
 833             } else {
 834                 lpWaveHdr = lpWaveHdr->lpNext;
 835             }
 836             wwo->lpLoopPtr = NULL;
 837             wodPlayer_BeginWaveHdr(wwo, lpWaveHdr);
 838         }
 839     } else {
 840         /* We're not in a loop.  Advance to the next wave header */
 841         wodPlayer_BeginWaveHdr(wwo, lpWaveHdr = lpWaveHdr->lpNext);
 842     }
 843
 844     return lpWaveHdr;
 845 }
 846
 847 /**************************************************************************
 848  *                           wodPlayer_DSPWait                  [internal]
 849  * Returns the number of milliseconds to wait for the DSP buffer to write
 850  * one fragment.
 851  */
 852 static DWORD wodPlayer_DSPWait(const WINE_WAVEOUT *wwo)
 853 {
 854     /* time for one fragment to be played */
 855     return wwo->dwFragmentSize * 1000 / wwo->format.wf.nAvgBytesPerSec;
 856 }
 857
 858 /**************************************************************************
 859  *                           wodPlayer_NotifyWait               [internal]
 860  * Returns the number of milliseconds to wait before attempting to notify
 861  * completion of the specified wavehdr.
 862  * This is based on the number of bytes remaining to be written in the
 863  * wave.
 864  */
 865 static DWORD wodPlayer_NotifyWait(const WINE_WAVEOUT* wwo, LPWAVEHDR lpWaveHdr)
 866 {
 867     DWORD dwMillis;
 868
 869     if (lpWaveHdr->reserved < wwo->dwPlayedTotal) {
 870         dwMillis = 1;
 871     } else {
 872         dwMillis = (lpWaveHdr->reserved - wwo->dwPlayedTotal) * 1000 / wwo->format.wf.nAvgBytesPerSec;
 873         if (!dwMillis) dwMillis = 1;
 874     }
 875
 876     return dwMillis;
 877 }
 878
 879
 880 /**************************************************************************
 881  *                           wodPlayer_WriteMaxFrags            [internal]
 882  * Writes the maximum number of bytes possible to the DSP and returns
 883  * TRUE iff the current playPtr has been fully played
 884  */
 885 static BOOL wodPlayer_WriteMaxFrags(WINE_WAVEOUT* wwo, DWORD* bytes)
 886 {
 887     DWORD       dwLength = wwo->lpPlayPtr->dwBufferLength - wwo->dwPartialOffset;
 888     DWORD       toWrite = min(dwLength, *bytes);
 889     int         written;
 890     BOOL        ret = FALSE;
 891
 892     TRACE("Writing wavehdr %p.%lu[%lu]/%lu\n",
 893           wwo->lpPlayPtr, wwo->dwPartialOffset, wwo->lpPlayPtr->dwBufferLength, toWrite);
 894
 895     if (toWrite > 0)
 896     {
 897         written = write(wwo->unixdev, wwo->lpPlayPtr->lpData + wwo->dwPartialOffset, toWrite);
 898         if (written <= 0) return FALSE;
 899     }
 900     else
 901         written = 0;
 902
 903     if (written >= dwLength) {
 904         /* If we wrote all current wavehdr, skip to the next one */
 905         wodPlayer_PlayPtrNext(wwo);
 906         ret = TRUE;
 907     } else {
 908         /* Remove the amount written */
 909         wwo->dwPartialOffset += written;
 910     }
 911     *bytes -= written;
 912     wwo->dwWrittenTotal += written;
 913
 914     return ret;
 915 }
 916
 917
 918 /**************************************************************************
 919  *                              wodPlayer_NotifyCompletions     [internal]
 920  *
 921  * Notifies and remove from queue all wavehdrs which have been played to
 922  * the speaker (ie. they have cleared the OSS buffer).  If force is true,
 923  * we notify all wavehdrs and remove them all from the queue even if they
 924  * are unplayed or part of a loop.
 925  */
 926 static DWORD wodPlayer_NotifyCompletions(WINE_WAVEOUT* wwo, BOOL force)
 927 {
 928     LPWAVEHDR           lpWaveHdr;
 929
 930     /* Start from lpQueuePtr and keep notifying until:
 931      * - we hit an unwritten wavehdr
 932      * - we hit the beginning of a running loop
 933      * - we hit a wavehdr which hasn't finished playing
 934      */
 935     while ((lpWaveHdr = wwo->lpQueuePtr) &&
 936            (force ||
 937             (lpWaveHdr != wwo->lpPlayPtr &&
 938              lpWaveHdr != wwo->lpLoopPtr &&
 939              lpWaveHdr->reserved <= wwo->dwPlayedTotal))) {
 940
 941         wwo->lpQueuePtr = lpWaveHdr->lpNext;
 942
 943         lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
 944         lpWaveHdr->dwFlags |= WHDR_DONE;
 945
 946         wodNotifyClient(wwo, WOM_DONE, (DWORD)lpWaveHdr, 0);
 947     }
 948     return  (lpWaveHdr && lpWaveHdr != wwo->lpPlayPtr && lpWaveHdr != wwo->lpLoopPtr) ?
 949         wodPlayer_NotifyWait(wwo, lpWaveHdr) : INFINITE;
 950 }
 951
 952 /**************************************************************************
 953  *                              wodPlayer_Reset                 [internal]
 954  *
 955  * wodPlayer helper. Resets current output stream.
 956  */
 957 static  void    wodPlayer_Reset(WINE_WAVEOUT* wwo, BOOL reset)
 958 {
 959     wodUpdatePlayedTotal(wwo, NULL);
 960     /* updates current notify list */
 961     wodPlayer_NotifyCompletions(wwo, FALSE);
 962
 963     /* flush all possible output */
 964     if (ioctl(wwo->unixdev, SNDCTL_DSP_RESET, 0) == -1) {
 965         perror("ioctl SNDCTL_DSP_RESET");
 966         wwo->hThread = 0;
 967         wwo->state = WINE_WS_STOPPED;
 968         ExitThread(-1);
 969     }
 970
 971     if (reset) {
 972         enum win_wm_message     msg;
 973         DWORD                   param;
 974         HANDLE                  ev;
 975
 976         /* remove any buffer */
 977         wodPlayer_NotifyCompletions(wwo, TRUE);
 978
 979         wwo->lpPlayPtr = wwo->lpQueuePtr = wwo->lpLoopPtr = NULL;
 980         wwo->state = WINE_WS_STOPPED;
 981         wwo->dwPlayedTotal = wwo->dwWrittenTotal = 0;
 982         /* Clear partial wavehdr */
 983         wwo->dwPartialOffset = 0;
 984
 985         /* remove any existing message in the ring */
 986         EnterCriticalSection(&wwo->msgRing.msg_crst);
 987         /* return all pending headers in queue */
 988         while (OSS_RetrieveRingMessage(&wwo->msgRing, &msg, &param, &ev))
 989         {
 990             if (msg != WINE_WM_HEADER)
 991             {
 992                 FIXME("shouldn't have headers left\n");
 993                 SetEvent(ev);
 994                 continue;
 995             }
 996             ((LPWAVEHDR)param)->dwFlags &= ~WHDR_INQUEUE;
 997             ((LPWAVEHDR)param)->dwFlags |= WHDR_DONE;
 998
 999             wodNotifyClient(wwo, WOM_DONE, param, 0);
1000         }
1001         RESET_OMR(&wwo->msgRing);
1002         LeaveCriticalSection(&wwo->msgRing.msg_crst);
1003     } else {
1004         if (wwo->lpLoopPtr) {
1005             /* complicated case, not handled yet (could imply modifying the loop counter */
1006             FIXME("Pausing while in loop isn't correctly handled yet, except strange results\n");
1007             wwo->lpPlayPtr = wwo->lpLoopPtr;
1008             wwo->dwPartialOffset = 0;
1009             wwo->dwWrittenTotal = wwo->dwPlayedTotal; /* this is wrong !!! */
1010         } else {
1011             LPWAVEHDR   ptr;
1012             DWORD       sz = wwo->dwPartialOffset;
1013
1014             /* reset all the data as if we had written only up to lpPlayedTotal bytes */
1015             /* compute the max size playable from lpQueuePtr */
1016             for (ptr = wwo->lpQueuePtr; ptr != wwo->lpPlayPtr; ptr = ptr->lpNext) {
1017                 sz += ptr->dwBufferLength;
1018             }
1019             /* because the reset lpPlayPtr will be lpQueuePtr */
1020             if (wwo->dwWrittenTotal > wwo->dwPlayedTotal + sz) ERR("grin\n");
1021             wwo->dwPartialOffset = sz - (wwo->dwWrittenTotal - wwo->dwPlayedTotal);
1022             wwo->dwWrittenTotal = wwo->dwPlayedTotal;
1023             wwo->lpPlayPtr = wwo->lpQueuePtr;
1024         }
1025         wwo->state = WINE_WS_PAUSED;
1026     }
1027 }
1028
1029 /**************************************************************************
1030  *                    wodPlayer_ProcessMessages                 [internal]
1031  */
1032 static void wodPlayer_ProcessMessages(WINE_WAVEOUT* wwo)
1033 {
1034     LPWAVEHDR           lpWaveHdr;
1035     enum win_wm_message msg;
1036     DWORD               param;
1037     HANDLE              ev;
1038
1039     while (OSS_RetrieveRingMessage(&wwo->msgRing, &msg, &param, &ev)) {
1040         TRACE("Received %s %lx\n", wodPlayerCmdString[msg - WM_USER - 1], param);
1041         switch (msg) {
1042         case WINE_WM_PAUSING:
1043             wodPlayer_Reset(wwo, FALSE);
1044             SetEvent(ev);
1045             break;
1046         case WINE_WM_RESTARTING:
1047             if (wwo->state == WINE_WS_PAUSED)
1048             {
1049                 wwo->state = WINE_WS_PLAYING;
1050             }
1051             SetEvent(ev);
1052             break;
1053         case WINE_WM_HEADER:
1054             lpWaveHdr = (LPWAVEHDR)param;
1055
1056             /* insert buffer at the end of queue */
1057             {
1058                 LPWAVEHDR*      wh;
1059                 for (wh = &(wwo->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
1060                 *wh = lpWaveHdr;
1061             }
1062             if (!wwo->lpPlayPtr)
1063                 wodPlayer_BeginWaveHdr(wwo,lpWaveHdr);
1064             if (wwo->state == WINE_WS_STOPPED)
1065                 wwo->state = WINE_WS_PLAYING;
1066             break;
1067         case WINE_WM_RESETTING:
1068             wodPlayer_Reset(wwo, TRUE);
1069             SetEvent(ev);
1070             break;
1071         case WINE_WM_UPDATE:
1072             wodUpdatePlayedTotal(wwo, NULL);
1073             SetEvent(ev);
1074             break;
1075         case WINE_WM_BREAKLOOP:
1076             if (wwo->state == WINE_WS_PLAYING && wwo->lpLoopPtr != NULL) {
1077                 /* ensure exit at end of current loop */
1078                 wwo->dwLoops = 1;
1079             }
1080             SetEvent(ev);
1081             break;
1082         case WINE_WM_CLOSING:
1083             /* sanity check: this should not happen since the device must have been reset before */
1084             if (wwo->lpQueuePtr || wwo->lpPlayPtr) ERR("out of sync\n");
1085             wwo->hThread = 0;
1086             wwo->state = WINE_WS_CLOSED;
1087             SetEvent(ev);
1088             ExitThread(0);
1089             /* shouldn't go here */
1090         default:
1091             FIXME("unknown message %d\n", msg);
1092             break;
1093         }
1094     }
1095 }
1096
1097 /**************************************************************************
1098  *                           wodPlayer_FeedDSP                  [internal]
1099  * Feed as much sound data as we can into the DSP and return the number of
1100  * milliseconds before it will be necessary to feed the DSP again.
1101  */
1102 static DWORD wodPlayer_FeedDSP(WINE_WAVEOUT* wwo)
1103 {
1104     audio_buf_info dspspace;
1105     DWORD       availInQ;
1106
1107     wodUpdatePlayedTotal(wwo, &dspspace);
1108     availInQ = dspspace.bytes;
1109     TRACE("fragments=%d/%d, fragsize=%d, bytes=%d\n",
1110           dspspace.fragments, dspspace.fragstotal, dspspace.fragsize, dspspace.bytes);
1111
1112     /* input queue empty and output buffer with less than one fragment to play */
1113     if (!wwo->lpPlayPtr && wwo->dwBufferSize < availInQ + wwo->dwFragmentSize) {
1114         TRACE("Run out of wavehdr:s...\n");
1115         return INFINITE;
1116     }
1117
1118     /* no more room... no need to try to feed */
1119     if (dspspace.fragments != 0) {
1120         /* Feed from partial wavehdr */
1121         if (wwo->lpPlayPtr && wwo->dwPartialOffset != 0) {
1122             wodPlayer_WriteMaxFrags(wwo, &availInQ);
1123         }
1124
1125         /* Feed wavehdrs until we run out of wavehdrs or DSP space */
1126         if (wwo->dwPartialOffset == 0 && wwo->lpPlayPtr) {
1127             do {
1128                 TRACE("Setting time to elapse for %p to %lu\n",
1129                       wwo->lpPlayPtr, wwo->dwWrittenTotal + wwo->lpPlayPtr->dwBufferLength);
1130                 /* note the value that dwPlayedTotal will return when this wave finishes playing */
1131                 wwo->lpPlayPtr->reserved = wwo->dwWrittenTotal + wwo->lpPlayPtr->dwBufferLength;
1132             } while (wodPlayer_WriteMaxFrags(wwo, &availInQ) && wwo->lpPlayPtr && availInQ > 0);
1133         }
1134
1135         if (wwo->bNeedPost) {
1136             /* OSS doesn't start before it gets either 2 fragments or a SNDCTL_DSP_POST;
1137              * if it didn't get one, we give it the other */
1138             if (wwo->dwBufferSize < availInQ + 2 * wwo->dwFragmentSize)
1139                 ioctl(wwo->unixdev, SNDCTL_DSP_POST, 0);
1140             wwo->bNeedPost = FALSE;
1141         }
1142     }
1143
1144     return wodPlayer_DSPWait(wwo);
1145 }
1146
1147
1148 /**************************************************************************
1149  *                              wodPlayer                       [internal]
1150  */
1151 static  DWORD   CALLBACK        wodPlayer(LPVOID pmt)
1152 {
1153     WORD          uDevID = (DWORD)pmt;
1154     WINE_WAVEOUT* wwo = (WINE_WAVEOUT*)&WOutDev[uDevID];
1155     DWORD         dwNextFeedTime = INFINITE;   /* Time before DSP needs feeding */
1156     DWORD         dwNextNotifyTime = INFINITE; /* Time before next wave completion */
1157     DWORD         dwSleepTime;
1158
1159     wwo->state = WINE_WS_STOPPED;
1160     SetEvent(wwo->hStartUpEvent);
1161
1162     for (;;) {
1163         /** Wait for the shortest time before an action is required.  If there
1164          *  are no pending actions, wait forever for a command.
1165          */
1166         dwSleepTime = min(dwNextFeedTime, dwNextNotifyTime);
1167         TRACE("waiting %lums (%lu,%lu)\n", dwSleepTime, dwNextFeedTime, dwNextNotifyTime);
1168         WAIT_OMR(&wwo->msgRing, dwSleepTime);
1169         wodPlayer_ProcessMessages(wwo);
1170         if (wwo->state == WINE_WS_PLAYING) {
1171             dwNextFeedTime = wodPlayer_FeedDSP(wwo);
1172             dwNextNotifyTime = wodPlayer_NotifyCompletions(wwo, FALSE);
1173             if (dwNextFeedTime == INFINITE) {
1174                 /* FeedDSP ran out of data, but before flushing, */
1175                 /* check that a notification didn't give us more */
1176                 wodPlayer_ProcessMessages(wwo);
1177                 if (!wwo->lpPlayPtr) {
1178                     TRACE("flushing\n");
1179                     ioctl(wwo->unixdev, SNDCTL_DSP_SYNC, 0);
1180                     wwo->dwPlayedTotal = wwo->dwWrittenTotal;
1181                 }
1182                 else {
1183                     TRACE("recovering\n");
1184                     dwNextFeedTime = wodPlayer_FeedDSP(wwo);
1185                 }
1186             }
1187         } else {
1188             dwNextFeedTime = dwNextNotifyTime = INFINITE;
1189         }
1190     }
1191 }
1192
1193 /**************************************************************************
1194  *                      wodGetDevCaps                           [internal]
1195  */
1196 static DWORD wodGetDevCaps(WORD wDevID, LPWAVEOUTCAPSA lpCaps, DWORD dwSize)
1197 {
1198     TRACE("(%u, %p, %lu);\n", wDevID, lpCaps, dwSize);
1199
1200     if (lpCaps == NULL) return MMSYSERR_NOTENABLED;
1201
1202     if (wDevID >= MAX_WAVEDRV) {
1203         TRACE("MAX_WAVDRV reached !\n");
1204         return MMSYSERR_BADDEVICEID;
1205     }
1206
1207     memcpy(lpCaps, &OSS_Devices[wDevID].out_caps, min(dwSize, sizeof(*lpCaps)));
1208     return MMSYSERR_NOERROR;
1209 }
1210
1211 /**************************************************************************
1212  *                              wodOpen                         [internal]
1213  */
1214 static DWORD wodOpen(WORD wDevID, LPWAVEOPENDESC lpDesc, DWORD dwFlags)
1215 {
1216     int                 audio_fragment;
1217     WINE_WAVEOUT*       wwo;
1218     audio_buf_info      info;
1219     DWORD               ret;
1220
1221     TRACE("(%u, %p, %08lX);\n", wDevID, lpDesc, dwFlags);
1222     if (lpDesc == NULL) {
1223         WARN("Invalid Parameter !\n");
1224         return MMSYSERR_INVALPARAM;
1225     }
1226     if (wDevID >= MAX_WAVEDRV) {
1227         TRACE("MAX_WAVOUTDRV reached !\n");
1228         return MMSYSERR_BADDEVICEID;
1229     }
1230
1231     /* only PCM format is supported so far... */
1232     if (lpDesc->lpFormat->wFormatTag != WAVE_FORMAT_PCM ||
1233         lpDesc->lpFormat->nChannels == 0 ||
1234         lpDesc->lpFormat->nSamplesPerSec == 0) {
1235         WARN("Bad format: tag=%04X nChannels=%d nSamplesPerSec=%ld !\n",
1236              lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
1237              lpDesc->lpFormat->nSamplesPerSec);
1238         return WAVERR_BADFORMAT;
1239     }
1240
1241     if (dwFlags & WAVE_FORMAT_QUERY) {
1242         TRACE("Query format: tag=%04X nChannels=%d nSamplesPerSec=%ld !\n",
1243              lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
1244              lpDesc->lpFormat->nSamplesPerSec);
1245         return MMSYSERR_NOERROR;
1246     }
1247
1248     wwo = &WOutDev[wDevID];
1249
1250     if ((dwFlags & WAVE_DIRECTSOUND) && !(OSS_Devices[wDevID].out_caps.dwSupport & WAVECAPS_DIRECTSOUND))
1251         /* not supported, ignore it */
1252         dwFlags &= ~WAVE_DIRECTSOUND;
1253
1254     if (dwFlags & WAVE_DIRECTSOUND) {
1255         if (OSS_Devices[wDevID].out_caps.dwSupport & WAVECAPS_SAMPLEACCURATE)
1256             /* we have realtime DirectSound, fragments just waste our time,
1257              * but a large buffer is good, so choose 64KB (32 * 2^11) */
1258             audio_fragment = 0x0020000B;
1259         else
1260             /* to approximate realtime, we must use small fragments,
1261              * let's try to fragment the above 64KB (256 * 2^8) */
1262             audio_fragment = 0x01000008;
1263     } else {
1264         /* shockwave player uses only 4 1k-fragments at a rate of 22050 bytes/sec
1265          * thus leading to 46ms per fragment, and a turnaround time of 185ms
1266          */
1267         /* 16 fragments max, 2^10=1024 bytes per fragment */
1268         audio_fragment = 0x000F000A;
1269     }
1270     if (wwo->unixdev != -1) return MMSYSERR_ALLOCATED;
1271     /* we want to be able to mmap() the device, which means it must be opened readable,
1272      * otherwise mmap() will fail (at least under Linux) */
1273     ret = OSS_OpenDevice(wDevID, &wwo->unixdev,
1274                          (dwFlags & WAVE_DIRECTSOUND) ? O_RDWR : O_WRONLY,
1275                          &audio_fragment, lpDesc->lpFormat->nSamplesPerSec,
1276                          (lpDesc->lpFormat->nChannels > 1) ? 1 : 0,
1277                          (lpDesc->lpFormat->wBitsPerSample == 16)
1278                              ? AFMT_S16_LE : AFMT_U8);
1279     if (ret != 0) return ret;
1280
1281     wwo->wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
1282
1283     memcpy(&wwo->waveDesc, lpDesc,           sizeof(WAVEOPENDESC));
1284     memcpy(&wwo->format,   lpDesc->lpFormat, sizeof(PCMWAVEFORMAT));
1285
1286     if (wwo->format.wBitsPerSample == 0) {
1287         WARN("Resetting zeroed wBitsPerSample\n");
1288         wwo->format.wBitsPerSample = 8 *
1289             (wwo->format.wf.nAvgBytesPerSec /
1290              wwo->format.wf.nSamplesPerSec) /
1291             wwo->format.wf.nChannels;
1292     }
1293     /* Read output space info for future reference */
1294     if (ioctl(wwo->unixdev, SNDCTL_DSP_GETOSPACE, &info) < 0) {
1295         ERR("ioctl can't 'SNDCTL_DSP_GETOSPACE' !\n");
1296         OSS_CloseDevice(wDevID, wwo->unixdev);
1297         wwo->unixdev = -1;
1298         return MMSYSERR_NOTENABLED;
1299     }
1300
1301     /* Check that fragsize is correct per our settings above */
1302     if ((info.fragsize > 1024) && (LOWORD(audio_fragment) <= 10)) {
1303         /* we've tried to set 1K fragments or less, but it didn't work */
1304         ERR("fragment size set failed, size is now %d\n", info.fragsize);
1305         MESSAGE("Your Open Sound System driver did not let us configure small enough sound fragments.\n");
1306         MESSAGE("This may cause delays and other problems in audio playback with certain applications.\n");
1307     }
1308
1309     /* Remember fragsize and total buffer size for future use */
1310     wwo->dwFragmentSize = info.fragsize;
1311     wwo->dwBufferSize = info.fragstotal * info.fragsize;
1312     wwo->dwPlayedTotal = 0;
1313     wwo->dwWrittenTotal = 0;
1314     wwo->bNeedPost = TRUE;
1315
1316     OSS_InitRingMessage(&wwo->msgRing);
1317
1318     if (!(dwFlags & WAVE_DIRECTSOUND)) {
1319         wwo->hStartUpEvent = CreateEventA(NULL, FALSE, FALSE, NULL);
1320         wwo->hThread = CreateThread(NULL, 0, wodPlayer, (LPVOID)(DWORD)wDevID, 0, &(wwo->dwThreadID));
1321         WaitForSingleObject(wwo->hStartUpEvent, INFINITE);
1322         CloseHandle(wwo->hStartUpEvent);
1323     } else {
1324         wwo->hThread = INVALID_HANDLE_VALUE;
1325         wwo->dwThreadID = 0;
1326     }
1327     wwo->hStartUpEvent = INVALID_HANDLE_VALUE;
1328
1329     TRACE("fd=%d fragmentSize=%ld\n",
1330           wwo->unixdev, wwo->dwFragmentSize);
1331     if (wwo->dwFragmentSize % wwo->format.wf.nBlockAlign)
1332         ERR("Fragment doesn't contain an integral number of data blocks\n");
1333
1334     TRACE("wBitsPerSample=%u, nAvgBytesPerSec=%lu, nSamplesPerSec=%lu, nChannels=%u nBlockAlign=%u!\n",
1335           wwo->format.wBitsPerSample, wwo->format.wf.nAvgBytesPerSec,
1336           wwo->format.wf.nSamplesPerSec, wwo->format.wf.nChannels,
1337           wwo->format.wf.nBlockAlign);
1338
1339     return wodNotifyClient(wwo, WOM_OPEN, 0L, 0L);
1340 }
1341
1342 /**************************************************************************
1343  *                              wodClose                        [internal]
1344  */
1345 static DWORD wodClose(WORD wDevID)
1346 {
1347     DWORD               ret = MMSYSERR_NOERROR;
1348     WINE_WAVEOUT*       wwo;
1349
1350     TRACE("(%u);\n", wDevID);
1351
1352     if (wDevID >= MAX_WAVEDRV || WOutDev[wDevID].unixdev == -1) {
1353         WARN("bad device ID !\n");
1354         return MMSYSERR_BADDEVICEID;
1355     }
1356
1357     wwo = &WOutDev[wDevID];
1358     if (wwo->lpQueuePtr) {
1359         WARN("buffers still playing !\n");
1360         ret = WAVERR_STILLPLAYING;
1361     } else {
1362         if (wwo->hThread != INVALID_HANDLE_VALUE) {
1363             OSS_AddRingMessage(&wwo->msgRing, WINE_WM_CLOSING, 0, TRUE);
1364         }
1365         if (wwo->mapping) {
1366             munmap(wwo->mapping, wwo->maplen);
1367             wwo->mapping = NULL;
1368         }
1369
1370         OSS_DestroyRingMessage(&wwo->msgRing);
1371
1372         OSS_CloseDevice(wDevID, wwo->unixdev);
1373         wwo->unixdev = -1;
1374         wwo->dwFragmentSize = 0;
1375         ret = wodNotifyClient(wwo, WOM_CLOSE, 0L, 0L);
1376     }
1377     return ret;
1378 }
1379
1380 /**************************************************************************
1381  *                              wodWrite                        [internal]
1382  *
1383  */
1384 static DWORD wodWrite(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
1385 {
1386     TRACE("(%u, %p, %08lX);\n", wDevID, lpWaveHdr, dwSize);
1387
1388     /* first, do the sanity checks... */
1389     if (wDevID >= MAX_WAVEDRV || WOutDev[wDevID].unixdev == -1) {
1390         WARN("bad dev ID !\n");
1391         return MMSYSERR_BADDEVICEID;
1392     }
1393
1394     if (lpWaveHdr->lpData == NULL || !(lpWaveHdr->dwFlags & WHDR_PREPARED))
1395         return WAVERR_UNPREPARED;
1396
1397     if (lpWaveHdr->dwFlags & WHDR_INQUEUE)
1398         return WAVERR_STILLPLAYING;
1399
1400     lpWaveHdr->dwFlags &= ~WHDR_DONE;
1401     lpWaveHdr->dwFlags |= WHDR_INQUEUE;
1402     lpWaveHdr->lpNext = 0;
1403
1404     if ((lpWaveHdr->dwBufferLength & ~(WOutDev[wDevID].format.wf.nBlockAlign - 1)) != 0)
1405     {
1406         WARN("WaveHdr length isn't a multiple of the PCM block size\n");
1407         lpWaveHdr->dwBufferLength &= ~(WOutDev[wDevID].format.wf.nBlockAlign - 1);
1408     }
1409
1410     OSS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_HEADER, (DWORD)lpWaveHdr, FALSE);
1411
1412     return MMSYSERR_NOERROR;
1413 }
1414
1415 /**************************************************************************
1416  *                              wodPrepare                      [internal]
1417  */
1418 static DWORD wodPrepare(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
1419 {
1420     TRACE("(%u, %p, %08lX);\n", wDevID, lpWaveHdr, dwSize);
1421
1422     if (wDevID >= MAX_WAVEDRV) {
1423         WARN("bad device ID !\n");
1424         return MMSYSERR_BADDEVICEID;
1425     }
1426
1427     if (lpWaveHdr->dwFlags & WHDR_INQUEUE)
1428         return WAVERR_STILLPLAYING;
1429
1430     lpWaveHdr->dwFlags |= WHDR_PREPARED;
1431     lpWaveHdr->dwFlags &= ~WHDR_DONE;
1432     return MMSYSERR_NOERROR;
1433 }
1434
1435 /**************************************************************************
1436  *                              wodUnprepare                    [internal]
1437  */
1438 static DWORD wodUnprepare(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
1439 {
1440     TRACE("(%u, %p, %08lX);\n", wDevID, lpWaveHdr, dwSize);
1441
1442     if (wDevID >= MAX_WAVEDRV) {
1443         WARN("bad device ID !\n");
1444         return MMSYSERR_BADDEVICEID;
1445     }
1446
1447     if (lpWaveHdr->dwFlags & WHDR_INQUEUE)
1448         return WAVERR_STILLPLAYING;
1449
1450     lpWaveHdr->dwFlags &= ~WHDR_PREPARED;
1451     lpWaveHdr->dwFlags |= WHDR_DONE;
1452
1453     return MMSYSERR_NOERROR;
1454 }
1455
1456 /**************************************************************************
1457  *                      wodPause                                [internal]
1458  */
1459 static DWORD wodPause(WORD wDevID)
1460 {
1461     TRACE("(%u);!\n", wDevID);
1462
1463     if (wDevID >= MAX_WAVEDRV || WOutDev[wDevID].unixdev == -1) {
1464         WARN("bad device ID !\n");
1465         return MMSYSERR_BADDEVICEID;
1466     }
1467
1468     OSS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_PAUSING, 0, TRUE);
1469
1470     return MMSYSERR_NOERROR;
1471 }
1472
1473 /**************************************************************************
1474  *                      wodRestart                              [internal]
1475  */
1476 static DWORD wodRestart(WORD wDevID)
1477 {
1478     TRACE("(%u);\n", wDevID);
1479
1480     if (wDevID >= MAX_WAVEDRV || WOutDev[wDevID].unixdev == -1) {
1481         WARN("bad device ID !\n");
1482         return MMSYSERR_BADDEVICEID;
1483     }
1484
1485     OSS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_RESTARTING, 0, TRUE);
1486
1487     /* FIXME: is NotifyClient with WOM_DONE right ? (Comet Busters 1.3.3 needs this notification) */
1488     /* FIXME: Myst crashes with this ... hmm -MM
1489        return wodNotifyClient(wwo, WOM_DONE, 0L, 0L);
1490     */
1491
1492     return MMSYSERR_NOERROR;
1493 }
1494
1495 /**************************************************************************
1496  *                      wodReset                                [internal]
1497  */
1498 static DWORD wodReset(WORD wDevID)
1499 {
1500     TRACE("(%u);\n", wDevID);
1501
1502     if (wDevID >= MAX_WAVEDRV || WOutDev[wDevID].unixdev == -1) {
1503         WARN("bad device ID !\n");
1504         return MMSYSERR_BADDEVICEID;
1505     }
1506
1507     OSS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_RESETTING, 0, TRUE);
1508
1509     return MMSYSERR_NOERROR;
1510 }
1511
1512 /**************************************************************************
1513  *                              wodGetPosition                  [internal]
1514  */
1515 static DWORD wodGetPosition(WORD wDevID, LPMMTIME lpTime, DWORD uSize)
1516 {
1517     int                 time;
1518     DWORD               val;
1519     WINE_WAVEOUT*       wwo;
1520
1521     TRACE("(%u, %p, %lu);\n", wDevID, lpTime, uSize);
1522
1523     if (wDevID >= MAX_WAVEDRV || WOutDev[wDevID].unixdev == -1) {
1524         WARN("bad device ID !\n");
1525         return MMSYSERR_BADDEVICEID;
1526     }
1527
1528     if (lpTime == NULL) return MMSYSERR_INVALPARAM;
1529
1530     wwo = &WOutDev[wDevID];
1531 #ifdef EXACT_WODPOSITION
1532     OSS_AddRingMessage(&wwo->msgRing, WINE_WM_UPDATE, 0, TRUE);
1533 #endif
1534     val = wwo->dwPlayedTotal;
1535
1536     TRACE("wType=%04X wBitsPerSample=%u nSamplesPerSec=%lu nChannels=%u nAvgBytesPerSec=%lu\n",
1537           lpTime->wType, wwo->format.wBitsPerSample,
1538           wwo->format.wf.nSamplesPerSec, wwo->format.wf.nChannels,
1539           wwo->format.wf.nAvgBytesPerSec);
1540     TRACE("dwPlayedTotal=%lu\n", val);
1541
1542     switch (lpTime->wType) {
1543     case TIME_BYTES:
1544         lpTime->u.cb = val;
1545         TRACE("TIME_BYTES=%lu\n", lpTime->u.cb);
1546         break;
1547     case TIME_SAMPLES:
1548         lpTime->u.sample = val * 8 / wwo->format.wBitsPerSample /wwo->format.wf.nChannels;
1549         TRACE("TIME_SAMPLES=%lu\n", lpTime->u.sample);
1550         break;
1551     case TIME_SMPTE:
1552         time = val / (wwo->format.wf.nAvgBytesPerSec / 1000);
1553         lpTime->u.smpte.hour = time / 108000;
1554         time -= lpTime->u.smpte.hour * 108000;
1555         lpTime->u.smpte.min = time / 1800;
1556         time -= lpTime->u.smpte.min * 1800;
1557         lpTime->u.smpte.sec = time / 30;
1558         time -= lpTime->u.smpte.sec * 30;
1559         lpTime->u.smpte.frame = time;
1560         lpTime->u.smpte.fps = 30;
1561         TRACE("TIME_SMPTE=%02u:%02u:%02u:%02u\n",
1562               lpTime->u.smpte.hour, lpTime->u.smpte.min,
1563               lpTime->u.smpte.sec, lpTime->u.smpte.frame);
1564         break;
1565     default:
1566         FIXME("Format %d not supported ! use TIME_MS !\n", lpTime->wType);
1567         lpTime->wType = TIME_MS;
1568     case TIME_MS:
1569         lpTime->u.ms = val / (wwo->format.wf.nAvgBytesPerSec / 1000);
1570         TRACE("TIME_MS=%lu\n", lpTime->u.ms);
1571         break;
1572     }
1573     return MMSYSERR_NOERROR;
1574 }
1575
1576 /**************************************************************************
1577  *                              wodBreakLoop                    [internal]
1578  */
1579 static DWORD wodBreakLoop(WORD wDevID)
1580 {
1581     TRACE("(%u);\n", wDevID);
1582
1583     if (wDevID >= MAX_WAVEDRV || WOutDev[wDevID].unixdev == -1) {
1584         WARN("bad device ID !\n");
1585         return MMSYSERR_BADDEVICEID;
1586     }
1587     OSS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_BREAKLOOP, 0, TRUE);
1588     return MMSYSERR_NOERROR;
1589 }
1590
1591 /**************************************************************************
1592  *                              wodGetVolume                    [internal]
1593  */
1594 static DWORD wodGetVolume(WORD wDevID, LPDWORD lpdwVol)
1595 {
1596     int         mixer;
1597     int         volume;
1598     DWORD       left, right;
1599
1600     TRACE("(%u, %p);\n", wDevID, lpdwVol);
1601
1602     if (lpdwVol == NULL)
1603         return MMSYSERR_NOTENABLED;
1604     if (wDevID >= MAX_WAVEDRV) return MMSYSERR_INVALPARAM;
1605
1606     if ((mixer = open(OSS_Devices[wDevID].mixer_name, O_RDONLY|O_NDELAY)) < 0) {
1607         WARN("mixer device not available !\n");
1608         return MMSYSERR_NOTENABLED;
1609     }
1610     if (ioctl(mixer, SOUND_MIXER_READ_PCM, &volume) == -1) {
1611         WARN("unable to read mixer !\n");
1612         return MMSYSERR_NOTENABLED;
1613     }
1614     close(mixer);
1615     left = LOBYTE(volume);
1616     right = HIBYTE(volume);
1617     TRACE("left=%ld right=%ld !\n", left, right);
1618     *lpdwVol = ((left * 0xFFFFl) / 100) + (((right * 0xFFFFl) / 100) << 16);
1619     return MMSYSERR_NOERROR;
1620 }
1621
1622 /**************************************************************************
1623  *                              wodSetVolume                    [internal]
1624  */
1625 static DWORD wodSetVolume(WORD wDevID, DWORD dwParam)
1626 {
1627     int         mixer;
1628     int         volume;
1629     DWORD       left, right;
1630
1631     TRACE("(%u, %08lX);\n", wDevID, dwParam);
1632
1633     left  = (LOWORD(dwParam) * 100) / 0xFFFFl;
1634     right = (HIWORD(dwParam) * 100) / 0xFFFFl;
1635     volume = left + (right << 8);
1636
1637     if (wDevID >= MAX_WAVEDRV) return MMSYSERR_INVALPARAM;
1638
1639     if ((mixer = open(OSS_Devices[wDevID].mixer_name, O_WRONLY|O_NDELAY)) < 0) {
1640         WARN("mixer device not available !\n");
1641         return MMSYSERR_NOTENABLED;
1642     }
1643     if (ioctl(mixer, SOUND_MIXER_WRITE_PCM, &volume) == -1) {
1644         WARN("unable to set mixer !\n");
1645         return MMSYSERR_NOTENABLED;
1646     } else {
1647         TRACE("volume=%04x\n", (unsigned)volume);
1648     }
1649     close(mixer);
1650     return MMSYSERR_NOERROR;
1651 }
1652
1653 /**************************************************************************
1654  *                              wodMessage (WINEOSS.7)
1655  */
1656 DWORD WINAPI OSS_wodMessage(UINT wDevID, UINT wMsg, DWORD dwUser,
1657                             DWORD dwParam1, DWORD dwParam2)
1658 {
1659     TRACE("(%u, %04X, %08lX, %08lX, %08lX);\n",
1660           wDevID, wMsg, dwUser, dwParam1, dwParam2);
1661
1662     switch (wMsg) {
1663     case DRVM_INIT:
1664     case DRVM_EXIT:
1665     case DRVM_ENABLE:
1666     case DRVM_DISABLE:
1667         /* FIXME: Pretend this is supported */
1668         return 0;
1669     case WODM_OPEN:             return wodOpen          (wDevID, (LPWAVEOPENDESC)dwParam1,      dwParam2);
1670     case WODM_CLOSE:            return wodClose         (wDevID);
1671     case WODM_WRITE:            return wodWrite         (wDevID, (LPWAVEHDR)dwParam1,           dwParam2);
1672     case WODM_PAUSE:            return wodPause         (wDevID);
1673     case WODM_GETPOS:           return wodGetPosition   (wDevID, (LPMMTIME)dwParam1,            dwParam2);
1674     case WODM_BREAKLOOP:        return wodBreakLoop     (wDevID);
1675     case WODM_PREPARE:          return wodPrepare       (wDevID, (LPWAVEHDR)dwParam1,           dwParam2);
1676     case WODM_UNPREPARE:        return wodUnprepare     (wDevID, (LPWAVEHDR)dwParam1,           dwParam2);
1677     case WODM_GETDEVCAPS:       return wodGetDevCaps    (wDevID, (LPWAVEOUTCAPSA)dwParam1,      dwParam2);
1678     case WODM_GETNUMDEVS:       return numOutDev;
1679     case WODM_GETPITCH:         return MMSYSERR_NOTSUPPORTED;
1680     case WODM_SETPITCH:         return MMSYSERR_NOTSUPPORTED;
1681     case WODM_GETPLAYBACKRATE:  return MMSYSERR_NOTSUPPORTED;
1682     case WODM_SETPLAYBACKRATE:  return MMSYSERR_NOTSUPPORTED;
1683     case WODM_GETVOLUME:        return wodGetVolume     (wDevID, (LPDWORD)dwParam1);
1684     case WODM_SETVOLUME:        return wodSetVolume     (wDevID, dwParam1);
1685     case WODM_RESTART:          return wodRestart       (wDevID);
1686     case WODM_RESET:            return wodReset         (wDevID);
1687
1688     case DRV_QUERYDSOUNDIFACE:  return wodDsCreate(wDevID, (PIDSDRIVER*)dwParam1);
1689     default:
1690         FIXME("unknown message %d!\n", wMsg);
1691     }
1692     return MMSYSERR_NOTSUPPORTED;
1693 }
1694
1695 /*======================================================================*
1696  *                  Low level DSOUND implementation                     *
1697  *======================================================================*/
1698
1699 typedef struct IDsDriverImpl IDsDriverImpl;
1700 typedef struct IDsDriverBufferImpl IDsDriverBufferImpl;
1701
1702 struct IDsDriverImpl
1703 {
1704     /* IUnknown fields */
1705     ICOM_VFIELD(IDsDriver);
1706     DWORD               ref;
1707     /* IDsDriverImpl fields */
1708     UINT                wDevID;
1709     IDsDriverBufferImpl*primary;
1710 };
1711
1712 struct IDsDriverBufferImpl
1713 {
1714     /* IUnknown fields */
1715     ICOM_VFIELD(IDsDriverBuffer);
1716     DWORD               ref;
1717     /* IDsDriverBufferImpl fields */
1718     IDsDriverImpl*      drv;
1719     DWORD               buflen;
1720 };
1721
1722 static HRESULT DSDB_MapPrimary(IDsDriverBufferImpl *dsdb)
1723 {
1724     WINE_WAVEOUT *wwo = &(WOutDev[dsdb->drv->wDevID]);
1725     if (!wwo->mapping) {
1726         wwo->mapping = mmap(NULL, wwo->maplen, PROT_WRITE, MAP_SHARED,
1727                             wwo->unixdev, 0);
1728         if (wwo->mapping == (LPBYTE)-1) {
1729             ERR("(%p): Could not map sound device for direct access (%s)\n", dsdb, strerror(errno));
1730             return DSERR_GENERIC;
1731         }
1732         TRACE("(%p): sound device has been mapped for direct access at %p, size=%ld\n", dsdb, wwo->mapping, wwo->maplen);
1733
1734         /* for some reason, es1371 and sblive! sometimes have junk in here.
1735          * clear it, or we get junk noise */
1736         /* some libc implementations are buggy: their memset reads from the buffer...
1737          * to work around it, we have to zero the block by hand. We don't do the expected:
1738          * memset(wwo->mapping,0, wwo->maplen);
1739          */
1740         {
1741             char*       p1 = wwo->mapping;
1742             unsigned    len = wwo->maplen;
1743
1744             if (len >= 16) /* so we can have at least a 4 long area to store... */
1745             {
1746                 /* the mmap:ed value is (at least) dword aligned
1747                  * so, start filling the complete unsigned long:s
1748                  */
1749                 int             b = len >> 2;
1750                 unsigned long*  p4 = (unsigned long*)p1;
1751
1752                 while (b--) *p4++ = 0;
1753                 /* prepare for filling the rest */
1754                 len &= 3;
1755                 p1 = (unsigned char*)p4;
1756             }
1757             /* in all cases, fill the remaining bytes */
1758             while (len-- != 0) *p1++ = 0;
1759         }
1760     }
1761     return DS_OK;
1762 }
1763
1764 static HRESULT DSDB_UnmapPrimary(IDsDriverBufferImpl *dsdb)
1765 {
1766     WINE_WAVEOUT *wwo = &(WOutDev[dsdb->drv->wDevID]);
1767     if (wwo->mapping) {
1768         if (munmap(wwo->mapping, wwo->maplen) < 0) {
1769             ERR("(%p): Could not unmap sound device (errno=%d)\n", dsdb, errno);
1770             return DSERR_GENERIC;
1771         }
1772         wwo->mapping = NULL;
1773         TRACE("(%p): sound device unmapped\n", dsdb);
1774     }
1775     return DS_OK;
1776 }
1777
1778 static HRESULT WINAPI IDsDriverBufferImpl_QueryInterface(PIDSDRIVERBUFFER iface, REFIID riid, LPVOID *ppobj)
1779 {
1780     /* ICOM_THIS(IDsDriverBufferImpl,iface); */
1781     FIXME("(): stub!\n");
1782     return DSERR_UNSUPPORTED;
1783 }
1784
1785 static ULONG WINAPI IDsDriverBufferImpl_AddRef(PIDSDRIVERBUFFER iface)
1786 {
1787     ICOM_THIS(IDsDriverBufferImpl,iface);
1788     This->ref++;
1789     return This->ref;
1790 }
1791
1792 static ULONG WINAPI IDsDriverBufferImpl_Release(PIDSDRIVERBUFFER iface)
1793 {
1794     ICOM_THIS(IDsDriverBufferImpl,iface);
1795     if (--This->ref)
1796         return This->ref;
1797     if (This == This->drv->primary)
1798         This->drv->primary = NULL;
1799     DSDB_UnmapPrimary(This);
1800     HeapFree(GetProcessHeap(),0,This);
1801     return 0;
1802 }
1803
1804 static HRESULT WINAPI IDsDriverBufferImpl_Lock(PIDSDRIVERBUFFER iface,
1805                                                LPVOID*ppvAudio1,LPDWORD pdwLen1,
1806                                                LPVOID*ppvAudio2,LPDWORD pdwLen2,
1807                                                DWORD dwWritePosition,DWORD dwWriteLen,
1808                                                DWORD dwFlags)
1809 {
1810     /* ICOM_THIS(IDsDriverBufferImpl,iface); */
1811     /* since we (GetDriverDesc flags) have specified DSDDESC_DONTNEEDPRIMARYLOCK,
1812      * and that we don't support secondary buffers, this method will never be called */
1813     TRACE("(%p): stub\n",iface);
1814     return DSERR_UNSUPPORTED;
1815 }
1816
1817 static HRESULT WINAPI IDsDriverBufferImpl_Unlock(PIDSDRIVERBUFFER iface,
1818                                                  LPVOID pvAudio1,DWORD dwLen1,
1819                                                  LPVOID pvAudio2,DWORD dwLen2)
1820 {
1821     /* ICOM_THIS(IDsDriverBufferImpl,iface); */
1822     TRACE("(%p): stub\n",iface);
1823     return DSERR_UNSUPPORTED;
1824 }
1825
1826 static HRESULT WINAPI IDsDriverBufferImpl_SetFormat(PIDSDRIVERBUFFER iface,
1827                                                     LPWAVEFORMATEX pwfx)
1828 {
1829     /* ICOM_THIS(IDsDriverBufferImpl,iface); */
1830
1831     TRACE("(%p,%p)\n",iface,pwfx);
1832     /* On our request (GetDriverDesc flags), DirectSound has by now used
1833      * waveOutClose/waveOutOpen to set the format...
1834      * unfortunately, this means our mmap() is now gone...
1835      * so we need to somehow signal to our DirectSound implementation
1836      * that it should completely recreate this HW buffer...
1837      * this unexpected error code should do the trick... */
1838     return DSERR_BUFFERLOST;
1839 }
1840
1841 static HRESULT WINAPI IDsDriverBufferImpl_SetFrequency(PIDSDRIVERBUFFER iface, DWORD dwFreq)
1842 {
1843     /* ICOM_THIS(IDsDriverBufferImpl,iface); */
1844     TRACE("(%p,%ld): stub\n",iface,dwFreq);
1845     return DSERR_UNSUPPORTED;
1846 }
1847
1848 static HRESULT WINAPI IDsDriverBufferImpl_SetVolumePan(PIDSDRIVERBUFFER iface, PDSVOLUMEPAN pVolPan)
1849 {
1850     /* ICOM_THIS(IDsDriverBufferImpl,iface); */
1851     FIXME("(%p,%p): stub!\n",iface,pVolPan);
1852     return DSERR_UNSUPPORTED;
1853 }
1854
1855 static HRESULT WINAPI IDsDriverBufferImpl_SetPosition(PIDSDRIVERBUFFER iface, DWORD dwNewPos)
1856 {
1857     /* ICOM_THIS(IDsDriverImpl,iface); */
1858     TRACE("(%p,%ld): stub\n",iface,dwNewPos);
1859     return DSERR_UNSUPPORTED;
1860 }
1861
1862 static HRESULT WINAPI IDsDriverBufferImpl_GetPosition(PIDSDRIVERBUFFER iface,
1863                                                       LPDWORD lpdwPlay, LPDWORD lpdwWrite)
1864 {
1865     ICOM_THIS(IDsDriverBufferImpl,iface);
1866     count_info info;
1867     DWORD ptr;
1868
1869     TRACE("(%p)\n",iface);
1870     if (WOutDev[This->drv->wDevID].unixdev == -1) {
1871         ERR("device not open, but accessing?\n");
1872         return DSERR_UNINITIALIZED;
1873     }
1874     if (ioctl(WOutDev[This->drv->wDevID].unixdev, SNDCTL_DSP_GETOPTR, &info) < 0) {
1875         ERR("ioctl failed (%d)\n", errno);
1876         return DSERR_GENERIC;
1877     }
1878     ptr = info.ptr & ~3; /* align the pointer, just in case */
1879     if (lpdwPlay) *lpdwPlay = ptr;
1880     if (lpdwWrite) {
1881         /* add some safety margin (not strictly necessary, but...) */
1882         if (OSS_Devices[This->drv->wDevID].out_caps.dwSupport & WAVECAPS_SAMPLEACCURATE)
1883             *lpdwWrite = ptr + 32;
1884         else
1885             *lpdwWrite = ptr + WOutDev[This->drv->wDevID].dwFragmentSize;
1886         while (*lpdwWrite > This->buflen)
1887             *lpdwWrite -= This->buflen;
1888     }
1889     TRACE("playpos=%ld, writepos=%ld\n", lpdwPlay?*lpdwPlay:0, lpdwWrite?*lpdwWrite:0);
1890     return DS_OK;
1891 }
1892
1893 static HRESULT WINAPI IDsDriverBufferImpl_Play(PIDSDRIVERBUFFER iface, DWORD dwRes1, DWORD dwRes2, DWORD dwFlags)
1894 {
1895     ICOM_THIS(IDsDriverBufferImpl,iface);
1896     int enable = PCM_ENABLE_OUTPUT;
1897     TRACE("(%p,%lx,%lx,%lx)\n",iface,dwRes1,dwRes2,dwFlags);
1898     if (ioctl(WOutDev[This->drv->wDevID].unixdev, SNDCTL_DSP_SETTRIGGER, &enable) < 0) {
1899         ERR("ioctl failed (%d)\n", errno);
1900         return DSERR_GENERIC;
1901     }
1902     return DS_OK;
1903 }
1904
1905 static HRESULT WINAPI IDsDriverBufferImpl_Stop(PIDSDRIVERBUFFER iface)
1906 {
1907     ICOM_THIS(IDsDriverBufferImpl,iface);
1908     int enable = 0;
1909     TRACE("(%p)\n",iface);
1910     /* no more playing */
1911     if (ioctl(WOutDev[This->drv->wDevID].unixdev, SNDCTL_DSP_SETTRIGGER, &enable) < 0) {
1912         ERR("ioctl failed (%d)\n", errno);
1913         return DSERR_GENERIC;
1914     }
1915 #if 0
1916     /* the play position must be reset to the beginning of the buffer */
1917     if (ioctl(WOutDev[This->drv->wDevID].unixdev, SNDCTL_DSP_RESET, 0) < 0) {
1918         ERR("ioctl failed (%d)\n", errno);
1919         return DSERR_GENERIC;
1920     }
1921 #endif
1922     /* Most OSS drivers just can't stop the playback without closing the device...
1923      * so we need to somehow signal to our DirectSound implementation
1924      * that it should completely recreate this HW buffer...
1925      * this unexpected error code should do the trick... */
1926     return DSERR_BUFFERLOST;
1927 }
1928
1929 static ICOM_VTABLE(IDsDriverBuffer) dsdbvt =
1930 {
1931     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
1932     IDsDriverBufferImpl_QueryInterface,
1933     IDsDriverBufferImpl_AddRef,
1934     IDsDriverBufferImpl_Release,
1935     IDsDriverBufferImpl_Lock,
1936     IDsDriverBufferImpl_Unlock,
1937     IDsDriverBufferImpl_SetFormat,
1938     IDsDriverBufferImpl_SetFrequency,
1939     IDsDriverBufferImpl_SetVolumePan,
1940     IDsDriverBufferImpl_SetPosition,
1941     IDsDriverBufferImpl_GetPosition,
1942     IDsDriverBufferImpl_Play,
1943     IDsDriverBufferImpl_Stop
1944 };
1945
1946 static HRESULT WINAPI IDsDriverImpl_QueryInterface(PIDSDRIVER iface, REFIID riid, LPVOID *ppobj)
1947 {
1948     /* ICOM_THIS(IDsDriverImpl,iface); */
1949     FIXME("(%p): stub!\n",iface);
1950     return DSERR_UNSUPPORTED;
1951 }
1952
1953 static ULONG WINAPI IDsDriverImpl_AddRef(PIDSDRIVER iface)
1954 {
1955     ICOM_THIS(IDsDriverImpl,iface);
1956     This->ref++;
1957     return This->ref;
1958 }
1959
1960 static ULONG WINAPI IDsDriverImpl_Release(PIDSDRIVER iface)
1961 {
1962     ICOM_THIS(IDsDriverImpl,iface);
1963     if (--This->ref)
1964         return This->ref;
1965     HeapFree(GetProcessHeap(),0,This);
1966     return 0;
1967 }
1968
1969 static HRESULT WINAPI IDsDriverImpl_GetDriverDesc(PIDSDRIVER iface, PDSDRIVERDESC pDesc)
1970 {
1971     ICOM_THIS(IDsDriverImpl,iface);
1972     TRACE("(%p,%p)\n",iface,pDesc);
1973     pDesc->dwFlags = DSDDESC_DOMMSYSTEMOPEN | DSDDESC_DOMMSYSTEMSETFORMAT |
1974         DSDDESC_USESYSTEMMEMORY | DSDDESC_DONTNEEDPRIMARYLOCK;
1975     strcpy(pDesc->szDesc,"WineOSS DirectSound Driver");
1976     strcpy(pDesc->szDrvName,"wineoss.drv");
1977     pDesc->dnDevNode            = WOutDev[This->wDevID].waveDesc.dnDevNode;
1978     pDesc->wVxdId               = 0;
1979     pDesc->wReserved            = 0;
1980     pDesc->ulDeviceNum          = This->wDevID;
1981     pDesc->dwHeapType           = DSDHEAP_NOHEAP;
1982     pDesc->pvDirectDrawHeap     = NULL;
1983     pDesc->dwMemStartAddress    = 0;
1984     pDesc->dwMemEndAddress      = 0;
1985     pDesc->dwMemAllocExtra      = 0;
1986     pDesc->pvReserved1          = NULL;
1987     pDesc->pvReserved2          = NULL;
1988     return DS_OK;
1989 }
1990
1991 static HRESULT WINAPI IDsDriverImpl_Open(PIDSDRIVER iface)
1992 {
1993     ICOM_THIS(IDsDriverImpl,iface);
1994     int enable = 0;
1995
1996     TRACE("(%p)\n",iface);
1997     /* make sure the card doesn't start playing before we want it to */
1998     if (ioctl(WOutDev[This->wDevID].unixdev, SNDCTL_DSP_SETTRIGGER, &enable) < 0) {
1999         ERR("ioctl failed (%d)\n", errno);
2000         return DSERR_GENERIC;
2001     }
2002     return DS_OK;
2003 }
2004
2005 static HRESULT WINAPI IDsDriverImpl_Close(PIDSDRIVER iface)
2006 {
2007     ICOM_THIS(IDsDriverImpl,iface);
2008     TRACE("(%p)\n",iface);
2009     if (This->primary) {
2010         ERR("problem with DirectSound: primary not released\n");
2011         return DSERR_GENERIC;
2012     }
2013     return DS_OK;
2014 }
2015
2016 static HRESULT WINAPI IDsDriverImpl_GetCaps(PIDSDRIVER iface, PDSDRIVERCAPS pCaps)
2017 {
2018     /* ICOM_THIS(IDsDriverImpl,iface); */
2019     TRACE("(%p,%p)\n",iface,pCaps);
2020     memset(pCaps, 0, sizeof(*pCaps));
2021     /* FIXME: need to check actual capabilities */
2022     pCaps->dwFlags = DSCAPS_PRIMARYMONO | DSCAPS_PRIMARYSTEREO |
2023         DSCAPS_PRIMARY8BIT | DSCAPS_PRIMARY16BIT;
2024     pCaps->dwPrimaryBuffers = 1;
2025     /* the other fields only apply to secondary buffers, which we don't support
2026      * (unless we want to mess with wavetable synthesizers and MIDI) */
2027     return DS_OK;
2028 }
2029
2030 static HRESULT WINAPI IDsDriverImpl_CreateSoundBuffer(PIDSDRIVER iface,
2031                                                       LPWAVEFORMATEX pwfx,
2032                                                       DWORD dwFlags, DWORD dwCardAddress,
2033                                                       LPDWORD pdwcbBufferSize,
2034                                                       LPBYTE *ppbBuffer,
2035                                                       LPVOID *ppvObj)
2036 {
2037     ICOM_THIS(IDsDriverImpl,iface);
2038     IDsDriverBufferImpl** ippdsdb = (IDsDriverBufferImpl**)ppvObj;
2039     HRESULT err;
2040     audio_buf_info info;
2041     int enable = 0;
2042
2043     TRACE("(%p,%p,%lx,%lx)\n",iface,pwfx,dwFlags,dwCardAddress);
2044     /* we only support primary buffers */
2045     if (!(dwFlags & DSBCAPS_PRIMARYBUFFER))
2046         return DSERR_UNSUPPORTED;
2047     if (This->primary)
2048         return DSERR_ALLOCATED;
2049     if (dwFlags & (DSBCAPS_CTRLFREQUENCY | DSBCAPS_CTRLPAN))
2050         return DSERR_CONTROLUNAVAIL;
2051
2052     *ippdsdb = (IDsDriverBufferImpl*)HeapAlloc(GetProcessHeap(),0,sizeof(IDsDriverBufferImpl));
2053     if (*ippdsdb == NULL)
2054         return DSERR_OUTOFMEMORY;
2055     ICOM_VTBL(*ippdsdb) = &dsdbvt;
2056     (*ippdsdb)->ref     = 1;
2057     (*ippdsdb)->drv     = This;
2058
2059     /* check how big the DMA buffer is now */
2060     if (ioctl(WOutDev[This->wDevID].unixdev, SNDCTL_DSP_GETOSPACE, &info) < 0) {
2061         ERR("ioctl failed (%d)\n", errno);
2062         HeapFree(GetProcessHeap(),0,*ippdsdb);
2063         *ippdsdb = NULL;
2064         return DSERR_GENERIC;
2065     }
2066     WOutDev[This->wDevID].maplen = (*ippdsdb)->buflen = info.fragstotal * info.fragsize;
2067
2068     /* map the DMA buffer */
2069     err = DSDB_MapPrimary(*ippdsdb);
2070     if (err != DS_OK) {
2071         HeapFree(GetProcessHeap(),0,*ippdsdb);
2072         *ippdsdb = NULL;
2073         return err;
2074     }
2075
2076     /* primary buffer is ready to go */
2077     *pdwcbBufferSize    = WOutDev[This->wDevID].maplen;
2078     *ppbBuffer          = WOutDev[This->wDevID].mapping;
2079
2080     /* some drivers need some extra nudging after mapping */
2081     if (ioctl(WOutDev[This->wDevID].unixdev, SNDCTL_DSP_SETTRIGGER, &enable) < 0) {
2082         ERR("ioctl failed (%d)\n", errno);
2083         return DSERR_GENERIC;
2084     }
2085
2086     This->primary = *ippdsdb;
2087
2088     return DS_OK;
2089 }
2090
2091 static HRESULT WINAPI IDsDriverImpl_DuplicateSoundBuffer(PIDSDRIVER iface,
2092                                                          PIDSDRIVERBUFFER pBuffer,
2093                                                          LPVOID *ppvObj)
2094 {
2095     /* ICOM_THIS(IDsDriverImpl,iface); */
2096     TRACE("(%p,%p): stub\n",iface,pBuffer);
2097     return DSERR_INVALIDCALL;
2098 }
2099
2100 static ICOM_VTABLE(IDsDriver) dsdvt =
2101 {
2102     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
2103     IDsDriverImpl_QueryInterface,
2104     IDsDriverImpl_AddRef,
2105     IDsDriverImpl_Release,
2106     IDsDriverImpl_GetDriverDesc,
2107     IDsDriverImpl_Open,
2108     IDsDriverImpl_Close,
2109     IDsDriverImpl_GetCaps,
2110     IDsDriverImpl_CreateSoundBuffer,
2111     IDsDriverImpl_DuplicateSoundBuffer
2112 };
2113
2114 static DWORD wodDsCreate(UINT wDevID, PIDSDRIVER* drv)
2115 {
2116     IDsDriverImpl** idrv = (IDsDriverImpl**)drv;
2117
2118     /* the HAL isn't much better than the HEL if we can't do mmap() */
2119     if (!(OSS_Devices[wDevID].out_caps.dwSupport & WAVECAPS_DIRECTSOUND)) {
2120         ERR("DirectSound flag not set\n");
2121         MESSAGE("This sound card's driver does not support direct access\n");
2122         MESSAGE("The (slower) DirectSound HEL mode will be used instead.\n");
2123         return MMSYSERR_NOTSUPPORTED;
2124     }
2125
2126     *idrv = (IDsDriverImpl*)HeapAlloc(GetProcessHeap(),0,sizeof(IDsDriverImpl));
2127     if (!*idrv)
2128         return MMSYSERR_NOMEM;
2129     ICOM_VTBL(*idrv)    = &dsdvt;
2130     (*idrv)->ref        = 1;
2131
2132     (*idrv)->wDevID     = wDevID;
2133     (*idrv)->primary    = NULL;
2134     return MMSYSERR_NOERROR;
2135 }
2136
2137 /*======================================================================*
2138  *                  Low level WAVE IN implementation                    *
2139  *======================================================================*/
2140
2141 /**************************************************************************
2142  *                      widNotifyClient                 [internal]
2143  */
2144 static DWORD widNotifyClient(WINE_WAVEIN* wwi, WORD wMsg, DWORD dwParam1, DWORD dwParam2)
2145 {
2146     TRACE("wMsg = 0x%04x dwParm1 = %04lX dwParam2 = %04lX\n", wMsg, dwParam1, dwParam2);
2147
2148     switch (wMsg) {
2149     case WIM_OPEN:
2150     case WIM_CLOSE:
2151     case WIM_DATA:
2152         if (wwi->wFlags != DCB_NULL &&
2153             !DriverCallback(wwi->waveDesc.dwCallback, wwi->wFlags,
2154                             (HDRVR)wwi->waveDesc.hWave, wMsg,
2155                             wwi->waveDesc.dwInstance, dwParam1, dwParam2)) {
2156             WARN("can't notify client !\n");
2157             return MMSYSERR_ERROR;
2158         }
2159         break;
2160     default:
2161         FIXME("Unknown callback message %u\n", wMsg);
2162         return MMSYSERR_INVALPARAM;
2163     }
2164     return MMSYSERR_NOERROR;
2165 }
2166
2167 /**************************************************************************
2168  *                      widGetDevCaps                           [internal]
2169  */
2170 static DWORD widGetDevCaps(WORD wDevID, LPWAVEINCAPSA lpCaps, DWORD dwSize)
2171 {
2172     TRACE("(%u, %p, %lu);\n", wDevID, lpCaps, dwSize);
2173
2174     if (lpCaps == NULL) return MMSYSERR_NOTENABLED;
2175
2176     if (wDevID >= MAX_WAVEDRV) {
2177         TRACE("MAX_WAVDRV reached !\n");
2178         return MMSYSERR_BADDEVICEID;
2179     }
2180
2181     memcpy(lpCaps, &OSS_Devices[wDevID].in_caps, min(dwSize, sizeof(*lpCaps)));
2182     return MMSYSERR_NOERROR;
2183 }
2184
2185 /**************************************************************************
2186  *                              widRecorder                     [internal]
2187  */
2188 static  DWORD   CALLBACK        widRecorder(LPVOID pmt)
2189 {
2190     WORD                uDevID = (DWORD)pmt;
2191     WINE_WAVEIN*        wwi = (WINE_WAVEIN*)&WInDev[uDevID];
2192     WAVEHDR*            lpWaveHdr;
2193     DWORD               dwSleepTime;
2194     DWORD               bytesRead;
2195     LPVOID              buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, wwi->dwFragmentSize);
2196     LPVOID              pOffset = buffer;
2197     audio_buf_info      info;
2198     int                 xs;
2199     enum win_wm_message msg;
2200     DWORD               param;
2201     HANDLE              ev;
2202
2203     wwi->state = WINE_WS_STOPPED;
2204     wwi->dwTotalRecorded = 0;
2205
2206     SetEvent(wwi->hStartUpEvent);
2207
2208     /* the soundblaster live needs a micro wake to get its recording started
2209      * (or GETISPACE will have 0 frags all the time)
2210      */
2211     read(wwi->unixdev,&xs,4);
2212
2213         /* make sleep time to be # of ms to output a fragment */
2214     dwSleepTime = (wwi->dwFragmentSize * 1000) / wwi->format.wf.nAvgBytesPerSec;
2215     TRACE("sleeptime=%ld ms\n", dwSleepTime);
2216
2217     for (;;) {
2218         /* wait for dwSleepTime or an event in thread's queue */
2219         /* FIXME: could improve wait time depending on queue state,
2220          * ie, number of queued fragments
2221          */
2222
2223         if (wwi->lpQueuePtr != NULL && wwi->state == WINE_WS_PLAYING)
2224         {
2225             lpWaveHdr = wwi->lpQueuePtr;
2226
2227             ioctl(wwi->unixdev, SNDCTL_DSP_GETISPACE, &info);
2228             TRACE("info={frag=%d fsize=%d ftotal=%d bytes=%d}\n", info.fragments, info.fragsize, info.fragstotal, info.bytes);
2229
2230             /* read all the fragments accumulated so far */
2231             while ((info.fragments > 0) && (wwi->lpQueuePtr))
2232             {
2233                 info.fragments --;
2234
2235                 if (lpWaveHdr->dwBufferLength - lpWaveHdr->dwBytesRecorded >= wwi->dwFragmentSize)
2236                 {
2237                     /* directly read fragment in wavehdr */
2238                     bytesRead = read(wwi->unixdev,
2239                                      lpWaveHdr->lpData + lpWaveHdr->dwBytesRecorded,
2240                                      wwi->dwFragmentSize);
2241
2242                     TRACE("bytesRead=%ld (direct)\n", bytesRead);
2243                     if (bytesRead != (DWORD) -1)
2244                     {
2245                         /* update number of bytes recorded in current buffer and by this device */
2246                         lpWaveHdr->dwBytesRecorded += bytesRead;
2247                         wwi->dwTotalRecorded       += bytesRead;
2248
2249                         /* buffer is full. notify client */
2250                         if (lpWaveHdr->dwBytesRecorded == lpWaveHdr->dwBufferLength)
2251                         {
2252                             /* must copy the value of next waveHdr, because we have no idea of what
2253                              * will be done with the content of lpWaveHdr in callback
2254                              */
2255                             LPWAVEHDR   lpNext = lpWaveHdr->lpNext;
2256
2257                             lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
2258                             lpWaveHdr->dwFlags |=  WHDR_DONE;
2259
2260                             widNotifyClient(wwi, WIM_DATA, (DWORD)lpWaveHdr, 0);
2261                             lpWaveHdr = wwi->lpQueuePtr = lpNext;
2262                         }
2263                     }
2264                 }
2265                 else
2266                 {
2267                     /* read the fragment in a local buffer */
2268                     bytesRead = read(wwi->unixdev, buffer, wwi->dwFragmentSize);
2269                     pOffset = buffer;
2270
2271                     TRACE("bytesRead=%ld (local)\n", bytesRead);
2272
2273                     /* copy data in client buffers */
2274                     while (bytesRead != (DWORD) -1 && bytesRead > 0)
2275                     {
2276                         DWORD dwToCopy = min (bytesRead, lpWaveHdr->dwBufferLength - lpWaveHdr->dwBytesRecorded);
2277
2278                         memcpy(lpWaveHdr->lpData + lpWaveHdr->dwBytesRecorded,
2279                                pOffset,
2280                                dwToCopy);
2281
2282                         /* update number of bytes recorded in current buffer and by this device */
2283                         lpWaveHdr->dwBytesRecorded += dwToCopy;
2284                         wwi->dwTotalRecorded += dwToCopy;
2285                         bytesRead -= dwToCopy;
2286                         pOffset   += dwToCopy;
2287
2288                         /* client buffer is full. notify client */
2289                         if (lpWaveHdr->dwBytesRecorded == lpWaveHdr->dwBufferLength)
2290                         {
2291                             /* must copy the value of next waveHdr, because we have no idea of what
2292                              * will be done with the content of lpWaveHdr in callback
2293                              */
2294                             LPWAVEHDR   lpNext = lpWaveHdr->lpNext;
2295                             TRACE("lpNext=%p\n", lpNext);
2296
2297                             lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
2298                             lpWaveHdr->dwFlags |=  WHDR_DONE;
2299
2300                             widNotifyClient(wwi, WIM_DATA, (DWORD)lpWaveHdr, 0);
2301
2302                             wwi->lpQueuePtr = lpWaveHdr = lpNext;
2303                             if (!lpNext && bytesRead) {
2304                                 /* no more buffer to copy data to, but we did read more.
2305                                  * what hasn't been copied will be dropped
2306                                  */
2307                                 WARN("buffer under run! %lu bytes dropped.\n", bytesRead);
2308                                 wwi->lpQueuePtr = NULL;
2309                                 break;
2310                             }
2311                         }
2312                     }
2313                 }
2314             }
2315         }
2316
2317         WAIT_OMR(&wwi->msgRing, dwSleepTime);
2318
2319         while (OSS_RetrieveRingMessage(&wwi->msgRing, &msg, &param, &ev))
2320         {
2321
2322             TRACE("msg=0x%x param=0x%lx\n", msg, param);
2323             switch (msg) {
2324             case WINE_WM_PAUSING:
2325                 wwi->state = WINE_WS_PAUSED;
2326                 /*FIXME("Device should stop recording\n");*/
2327                 SetEvent(ev);
2328                 break;
2329             case WINE_WM_RESTARTING:
2330             {
2331                 int enable = PCM_ENABLE_INPUT;
2332                 wwi->state = WINE_WS_PLAYING;
2333
2334                 if (wwi->bTriggerSupport)
2335                 {
2336                     /* start the recording */
2337                     if (ioctl(wwi->unixdev, SNDCTL_DSP_SETTRIGGER, &enable) < 0)
2338                     {
2339                         ERR("ioctl(SNDCTL_DSP_SETTRIGGER) failed (%d)\n", errno);
2340                     }
2341                 }
2342                 else
2343                 {
2344                     unsigned char data[4];
2345                     /* read 4 bytes to start the recording */
2346                     read(wwi->unixdev, data, 4);
2347                 }
2348
2349                 SetEvent(ev);
2350                 break;
2351             }
2352             case WINE_WM_HEADER:
2353                 lpWaveHdr = (LPWAVEHDR)param;
2354                 lpWaveHdr->lpNext = 0;
2355
2356                 /* insert buffer at the end of queue */
2357                 {
2358                     LPWAVEHDR*  wh;
2359                     for (wh = &(wwi->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
2360                     *wh = lpWaveHdr;
2361                 }
2362                 break;
2363             case WINE_WM_RESETTING:
2364                 wwi->state = WINE_WS_STOPPED;
2365                 /* return all buffers to the app */
2366                 for (lpWaveHdr = wwi->lpQueuePtr; lpWaveHdr; lpWaveHdr = lpWaveHdr->lpNext) {
2367                     TRACE("reset %p %p\n", lpWaveHdr, lpWaveHdr->lpNext);
2368                     lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
2369                     lpWaveHdr->dwFlags |= WHDR_DONE;
2370
2371                     widNotifyClient(wwi, WIM_DATA, (DWORD)lpWaveHdr, 0);
2372                 }
2373                 wwi->lpQueuePtr = NULL;
2374                 SetEvent(ev);
2375                 break;
2376             case WINE_WM_CLOSING:
2377                 wwi->hThread = 0;
2378                 wwi->state = WINE_WS_CLOSED;
2379                 SetEvent(ev);
2380                 HeapFree(GetProcessHeap(), 0, buffer);
2381                 ExitThread(0);
2382                 /* shouldn't go here */
2383             default:
2384                 FIXME("unknown message %d\n", msg);
2385                 break;
2386             }
2387         }
2388     }
2389     ExitThread(0);
2390     /* just for not generating compilation warnings... should never be executed */
2391     return 0;
2392 }
2393
2394
2395 /**************************************************************************
2396  *                              widOpen                         [internal]
2397  */
2398 static DWORD widOpen(WORD wDevID, LPWAVEOPENDESC lpDesc, DWORD dwFlags)
2399 {
2400     WINE_WAVEIN*        wwi;
2401     int                 fragment_size;
2402     int                 audio_fragment;
2403     DWORD               ret;
2404
2405     TRACE("(%u, %p, %08lX);\n", wDevID, lpDesc, dwFlags);
2406     if (lpDesc == NULL) {
2407         WARN("Invalid Parameter !\n");
2408         return MMSYSERR_INVALPARAM;
2409     }
2410     if (wDevID >= MAX_WAVEDRV) return MMSYSERR_BADDEVICEID;
2411
2412     /* only PCM format is supported so far... */
2413     if (lpDesc->lpFormat->wFormatTag != WAVE_FORMAT_PCM ||
2414         lpDesc->lpFormat->nChannels == 0 ||
2415         lpDesc->lpFormat->nSamplesPerSec == 0) {
2416         WARN("Bad format: tag=%04X nChannels=%d nSamplesPerSec=%ld !\n",
2417              lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
2418              lpDesc->lpFormat->nSamplesPerSec);
2419         return WAVERR_BADFORMAT;
2420     }
2421
2422     if (dwFlags & WAVE_FORMAT_QUERY) {
2423         TRACE("Query format: tag=%04X nChannels=%d nSamplesPerSec=%ld !\n",
2424              lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
2425              lpDesc->lpFormat->nSamplesPerSec);
2426         return MMSYSERR_NOERROR;
2427     }
2428
2429     wwi = &WInDev[wDevID];
2430
2431     if (wwi->unixdev != -1) return MMSYSERR_ALLOCATED;
2432     /* This is actually hand tuned to work so that my SB Live:
2433      * - does not skip
2434      * - does not buffer too much
2435      * when sending with the Shoutcast winamp plugin
2436      */
2437     /* 15 fragments max, 2^10 = 1024 bytes per fragment */
2438     audio_fragment = 0x000F000A;
2439     ret = OSS_OpenDevice(wDevID, &wwi->unixdev,
2440                          O_RDONLY, &audio_fragment,
2441                          lpDesc->lpFormat->nSamplesPerSec,
2442                          (lpDesc->lpFormat->nChannels > 1) ? 1 : 0,
2443                          (lpDesc->lpFormat->wBitsPerSample == 16)
2444                          ? AFMT_S16_LE : AFMT_U8);
2445     if (ret != 0) return ret;
2446     if (wwi->lpQueuePtr) {
2447         WARN("Should have an empty queue (%p)\n", wwi->lpQueuePtr);
2448         wwi->lpQueuePtr = NULL;
2449     }
2450     wwi->dwTotalRecorded = 0;
2451     wwi->wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
2452
2453     memcpy(&wwi->waveDesc, lpDesc,           sizeof(WAVEOPENDESC));
2454     memcpy(&wwi->format,   lpDesc->lpFormat, sizeof(PCMWAVEFORMAT));
2455
2456     if (wwi->format.wBitsPerSample == 0) {
2457         WARN("Resetting zeroed wBitsPerSample\n");
2458         wwi->format.wBitsPerSample = 8 *
2459             (wwi->format.wf.nAvgBytesPerSec /
2460              wwi->format.wf.nSamplesPerSec) /
2461             wwi->format.wf.nChannels;
2462     }
2463
2464     ioctl(wwi->unixdev, SNDCTL_DSP_GETBLKSIZE, &fragment_size);
2465     if (fragment_size == -1) {
2466         WARN("IOCTL can't 'SNDCTL_DSP_GETBLKSIZE' !\n");
2467         OSS_CloseDevice(wDevID, wwi->unixdev);
2468         wwi->unixdev = -1;
2469         return MMSYSERR_NOTENABLED;
2470     }
2471     wwi->dwFragmentSize = fragment_size;
2472
2473     TRACE("wBitsPerSample=%u, nAvgBytesPerSec=%lu, nSamplesPerSec=%lu, nChannels=%u nBlockAlign=%u!\n",
2474           wwi->format.wBitsPerSample, wwi->format.wf.nAvgBytesPerSec,
2475           wwi->format.wf.nSamplesPerSec, wwi->format.wf.nChannels,
2476           wwi->format.wf.nBlockAlign);
2477
2478     OSS_InitRingMessage(&wwi->msgRing);
2479
2480     wwi->hStartUpEvent = CreateEventA(NULL, FALSE, FALSE, NULL);
2481     wwi->hThread = CreateThread(NULL, 0, widRecorder, (LPVOID)(DWORD)wDevID, 0, &(wwi->dwThreadID));
2482     WaitForSingleObject(wwi->hStartUpEvent, INFINITE);
2483     CloseHandle(wwi->hStartUpEvent);
2484     wwi->hStartUpEvent = INVALID_HANDLE_VALUE;
2485
2486     return widNotifyClient(wwi, WIM_OPEN, 0L, 0L);
2487 }
2488
2489 /**************************************************************************
2490  *                              widClose                        [internal]
2491  */
2492 static DWORD widClose(WORD wDevID)
2493 {
2494     WINE_WAVEIN*        wwi;
2495
2496     TRACE("(%u);\n", wDevID);
2497     if (wDevID >= MAX_WAVEDRV || WInDev[wDevID].unixdev == -1) {
2498         WARN("can't close !\n");
2499         return MMSYSERR_INVALHANDLE;
2500     }
2501
2502     wwi = &WInDev[wDevID];
2503
2504     if (wwi->lpQueuePtr != NULL) {
2505         WARN("still buffers open !\n");
2506         return WAVERR_STILLPLAYING;
2507     }
2508
2509     OSS_AddRingMessage(&wwi->msgRing, WINE_WM_CLOSING, 0, TRUE);
2510     OSS_CloseDevice(wDevID, wwi->unixdev);
2511     wwi->unixdev = -1;
2512     wwi->dwFragmentSize = 0;
2513     OSS_DestroyRingMessage(&wwi->msgRing);
2514     return widNotifyClient(wwi, WIM_CLOSE, 0L, 0L);
2515 }
2516
2517 /**************************************************************************
2518  *                              widAddBuffer            [internal]
2519  */
2520 static DWORD widAddBuffer(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
2521 {
2522     TRACE("(%u, %p, %08lX);\n", wDevID, lpWaveHdr, dwSize);
2523
2524     if (wDevID >= MAX_WAVEDRV || WInDev[wDevID].unixdev == -1) {
2525         WARN("can't do it !\n");
2526         return MMSYSERR_INVALHANDLE;
2527     }
2528     if (!(lpWaveHdr->dwFlags & WHDR_PREPARED)) {
2529         TRACE("never been prepared !\n");
2530         return WAVERR_UNPREPARED;
2531     }
2532     if (lpWaveHdr->dwFlags & WHDR_INQUEUE) {
2533         TRACE("header already in use !\n");
2534         return WAVERR_STILLPLAYING;
2535     }
2536
2537     lpWaveHdr->dwFlags |= WHDR_INQUEUE;
2538     lpWaveHdr->dwFlags &= ~WHDR_DONE;
2539     lpWaveHdr->dwBytesRecorded = 0;
2540     lpWaveHdr->lpNext = NULL;
2541
2542     OSS_AddRingMessage(&WInDev[wDevID].msgRing, WINE_WM_HEADER, (DWORD)lpWaveHdr, FALSE);
2543     return MMSYSERR_NOERROR;
2544 }
2545
2546 /**************************************************************************
2547  *                              widPrepare                      [internal]
2548  */
2549 static DWORD widPrepare(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
2550 {
2551     TRACE("(%u, %p, %08lX);\n", wDevID, lpWaveHdr, dwSize);
2552
2553     if (wDevID >= MAX_WAVEDRV) return MMSYSERR_INVALHANDLE;
2554
2555     if (lpWaveHdr->dwFlags & WHDR_INQUEUE)
2556         return WAVERR_STILLPLAYING;
2557
2558     lpWaveHdr->dwFlags |= WHDR_PREPARED;
2559     lpWaveHdr->dwFlags &= ~WHDR_DONE;
2560     lpWaveHdr->dwBytesRecorded = 0;
2561     TRACE("header prepared !\n");
2562     return MMSYSERR_NOERROR;
2563 }
2564
2565 /**************************************************************************
2566  *                              widUnprepare                    [internal]
2567  */
2568 static DWORD widUnprepare(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
2569 {
2570     TRACE("(%u, %p, %08lX);\n", wDevID, lpWaveHdr, dwSize);
2571     if (wDevID >= MAX_WAVEDRV) return MMSYSERR_INVALHANDLE;
2572
2573     if (lpWaveHdr->dwFlags & WHDR_INQUEUE)
2574         return WAVERR_STILLPLAYING;
2575
2576     lpWaveHdr->dwFlags &= ~WHDR_PREPARED;
2577     lpWaveHdr->dwFlags |= WHDR_DONE;
2578
2579     return MMSYSERR_NOERROR;
2580 }
2581
2582 /**************************************************************************
2583  *                      widStart                                [internal]
2584  */
2585 static DWORD widStart(WORD wDevID)
2586 {
2587     TRACE("(%u);\n", wDevID);
2588     if (wDevID >= MAX_WAVEDRV || WInDev[wDevID].unixdev == -1) {
2589         WARN("can't start recording !\n");
2590         return MMSYSERR_INVALHANDLE;
2591     }
2592
2593     OSS_AddRingMessage(&WInDev[wDevID].msgRing, WINE_WM_RESTARTING, 0, TRUE);
2594     return MMSYSERR_NOERROR;
2595 }
2596
2597 /**************************************************************************
2598  *                      widStop                                 [internal]
2599  */
2600 static DWORD widStop(WORD wDevID)
2601 {
2602     TRACE("(%u);\n", wDevID);
2603     if (wDevID >= MAX_WAVEDRV || WInDev[wDevID].unixdev == -1) {
2604         WARN("can't stop !\n");
2605         return MMSYSERR_INVALHANDLE;
2606     }
2607     /* FIXME: reset aint stop */
2608     OSS_AddRingMessage(&WInDev[wDevID].msgRing, WINE_WM_RESETTING, 0, TRUE);
2609
2610     return MMSYSERR_NOERROR;
2611 }
2612
2613 /**************************************************************************
2614  *                      widReset                                [internal]
2615  */
2616 static DWORD widReset(WORD wDevID)
2617 {
2618     TRACE("(%u);\n", wDevID);
2619     if (wDevID >= MAX_WAVEDRV || WInDev[wDevID].unixdev == -1) {
2620         WARN("can't reset !\n");
2621         return MMSYSERR_INVALHANDLE;
2622     }
2623     OSS_AddRingMessage(&WInDev[wDevID].msgRing, WINE_WM_RESETTING, 0, TRUE);
2624     return MMSYSERR_NOERROR;
2625 }
2626
2627 /**************************************************************************
2628  *                              widGetPosition                  [internal]
2629  */
2630 static DWORD widGetPosition(WORD wDevID, LPMMTIME lpTime, DWORD uSize)
2631 {
2632     int                 time;
2633     WINE_WAVEIN*        wwi;
2634
2635     TRACE("(%u, %p, %lu);\n", wDevID, lpTime, uSize);
2636
2637     if (wDevID >= MAX_WAVEDRV || WInDev[wDevID].unixdev == -1) {
2638         WARN("can't get pos !\n");
2639         return MMSYSERR_INVALHANDLE;
2640     }
2641     if (lpTime == NULL) return MMSYSERR_INVALPARAM;
2642
2643     wwi = &WInDev[wDevID];
2644
2645     TRACE("wType=%04X !\n", lpTime->wType);
2646     TRACE("wBitsPerSample=%u\n", wwi->format.wBitsPerSample);
2647     TRACE("nSamplesPerSec=%lu\n", wwi->format.wf.nSamplesPerSec);
2648     TRACE("nChannels=%u\n", wwi->format.wf.nChannels);
2649     TRACE("nAvgBytesPerSec=%lu\n", wwi->format.wf.nAvgBytesPerSec);
2650     switch (lpTime->wType) {
2651     case TIME_BYTES:
2652         lpTime->u.cb = wwi->dwTotalRecorded;
2653         TRACE("TIME_BYTES=%lu\n", lpTime->u.cb);
2654         break;
2655     case TIME_SAMPLES:
2656         lpTime->u.sample = wwi->dwTotalRecorded * 8 /
2657             wwi->format.wBitsPerSample;
2658         TRACE("TIME_SAMPLES=%lu\n", lpTime->u.sample);
2659         break;
2660     case TIME_SMPTE:
2661         time = wwi->dwTotalRecorded /
2662             (wwi->format.wf.nAvgBytesPerSec / 1000);
2663         lpTime->u.smpte.hour = time / 108000;
2664         time -= lpTime->u.smpte.hour * 108000;
2665         lpTime->u.smpte.min = time / 1800;
2666         time -= lpTime->u.smpte.min * 1800;
2667         lpTime->u.smpte.sec = time / 30;
2668         time -= lpTime->u.smpte.sec * 30;
2669         lpTime->u.smpte.frame = time;
2670         lpTime->u.smpte.fps = 30;
2671         TRACE("TIME_SMPTE=%02u:%02u:%02u:%02u\n",
2672               lpTime->u.smpte.hour, lpTime->u.smpte.min,
2673               lpTime->u.smpte.sec, lpTime->u.smpte.frame);
2674         break;
2675     case TIME_MS:
2676         lpTime->u.ms = wwi->dwTotalRecorded /
2677             (wwi->format.wf.nAvgBytesPerSec / 1000);
2678         TRACE("TIME_MS=%lu\n", lpTime->u.ms);
2679         break;
2680     default:
2681         FIXME("format not supported (%u) ! use TIME_MS !\n", lpTime->wType);
2682         lpTime->wType = TIME_MS;
2683     }
2684     return MMSYSERR_NOERROR;
2685 }
2686
2687 /**************************************************************************
2688  *                              widMessage (WINEOSS.6)
2689  */
2690 DWORD WINAPI OSS_widMessage(WORD wDevID, WORD wMsg, DWORD dwUser,
2691                             DWORD dwParam1, DWORD dwParam2)
2692 {
2693     TRACE("(%u, %04X, %08lX, %08lX, %08lX);\n",
2694           wDevID, wMsg, dwUser, dwParam1, dwParam2);
2695
2696     switch (wMsg) {
2697     case DRVM_INIT:
2698     case DRVM_EXIT:
2699     case DRVM_ENABLE:
2700     case DRVM_DISABLE:
2701         /* FIXME: Pretend this is supported */
2702         return 0;
2703     case WIDM_OPEN:             return widOpen       (wDevID, (LPWAVEOPENDESC)dwParam1, dwParam2);
2704     case WIDM_CLOSE:            return widClose      (wDevID);
2705     case WIDM_ADDBUFFER:        return widAddBuffer  (wDevID, (LPWAVEHDR)dwParam1, dwParam2);
2706     case WIDM_PREPARE:          return widPrepare    (wDevID, (LPWAVEHDR)dwParam1, dwParam2);
2707     case WIDM_UNPREPARE:        return widUnprepare  (wDevID, (LPWAVEHDR)dwParam1, dwParam2);
2708     case WIDM_GETDEVCAPS:       return widGetDevCaps (wDevID, (LPWAVEINCAPSA)dwParam1, dwParam2);
2709     case WIDM_GETNUMDEVS:       return numInDev;
2710     case WIDM_GETPOS:           return widGetPosition(wDevID, (LPMMTIME)dwParam1, dwParam2);
2711     case WIDM_RESET:            return widReset      (wDevID);
2712     case WIDM_START:            return widStart      (wDevID);
2713     case WIDM_STOP:             return widStop       (wDevID);
2714     default:
2715         FIXME("unknown message %u!\n", wMsg);
2716     }
2717     return MMSYSERR_NOTSUPPORTED;
2718 }
2719
2720 #else /* !HAVE_OSS */
2721
2722 /**************************************************************************
2723  *                              wodMessage (WINEOSS.7)
2724  */
2725 DWORD WINAPI OSS_wodMessage(WORD wDevID, WORD wMsg, DWORD dwUser,
2726                             DWORD dwParam1, DWORD dwParam2)
2727 {
2728     FIXME("(%u, %04X, %08lX, %08lX, %08lX):stub\n", wDevID, wMsg, dwUser, dwParam1, dwParam2);
2729     return MMSYSERR_NOTENABLED;
2730 }
2731
2732 /**************************************************************************
2733  *                              widMessage (WINEOSS.6)
2734  */
2735 DWORD WINAPI OSS_widMessage(WORD wDevID, WORD wMsg, DWORD dwUser,
2736                             DWORD dwParam1, DWORD dwParam2)
2737 {
2738     FIXME("(%u, %04X, %08lX, %08lX, %08lX):stub\n", wDevID, wMsg, dwUser, dwParam1, dwParam2);
2739     return MMSYSERR_NOTENABLED;
2740 }
2741
2742 #endif /* HAVE_OSS */