git.oblomov.eu Git - wine/blob - dlls/winmm/winenas/audio.c

   1 /* -*- tab-width: 8; c-basic-offset: 4 -*- */
   2 /*
   3  * Wine Driver for NAS Network Audio System
   4  *   http://radscan.com/nas.html
   5  *
   6  * Copyright 1994 Martin Ayotte
   7  *           1999 Eric Pouech (async playing in waveOut/waveIn)
   8  *           2000 Eric Pouech (loops in waveOut)
   9  *           2002 Chris Morgan (aRts version of this file)
  10  *           2002 Nicolas Escuder (NAS version of this file)
  11  *
  12  * Copyright 2002 Nicolas Escuder <n.escuder@alineanet.com>
  13  *
  14  * This library is free software; you can redistribute it and/or
  15  * modify it under the terms of the GNU Lesser General Public
  16  * License as published by the Free Software Foundation; either
  17  * version 2.1 of the License, or (at your option) any later version.
  18  *
  19  * This library is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  22  * Lesser General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU Lesser General Public
  25  * License along with this library; if not, write to the Free Software
  26  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  27  */
  28 /* NOTE:
  29  *    with nas we cannot stop the audio that is already in
  30  *    the servers buffer.
  31  *
  32  * FIXME:
  33  *      pause in waveOut does not work correctly in loop mode
  34  *
  35  */
  36
  37 #include "config.h"
  38
  39 #include <stdlib.h>
  40 #include <stdarg.h>
  41 #include <stdio.h>
  42 #include <string.h>
  43 #ifdef HAVE_UNISTD_H
  44 # include <unistd.h>
  45 #endif
  46 #ifdef HAVE_SYS_TIME_H
  47 # include <sys/time.h>
  48 #endif
  49 #include <fcntl.h>
  50 #include <math.h>
  51
  52 #define FRAG_SIZE  1024
  53 #define FRAG_COUNT 10
  54
  55 /* avoid type conflicts */
  56 #define INT8 X_INT8
  57 #define INT16 X_INT16
  58 #define INT32 X_INT32
  59 #define BOOL X_BOOL
  60 #define BYTE X_BYTE
  61 #ifdef HAVE_AUDIO_AUDIOLIB_H
  62 #include <audio/audiolib.h>
  63 #endif
  64 #ifdef HAVE_AUDIO_SOUNDLIB_H
  65 #include <audio/soundlib.h>
  66 #endif
  67 #undef INT8
  68 #undef INT16
  69 #undef INT32
  70 #undef BOOL
  71 #undef BYTE
  72
  73 #include "windef.h"
  74 #include "winbase.h"
  75 #include "wingdi.h"
  76 #include "winuser.h"
  77 #include "winerror.h"
  78 #include "mmddk.h"
  79 #include "dsound.h"
  80 #include "dsdriver.h"
  81 #include "nas.h"
  82 #include "wine/unicode.h"
  83 #include "wine/debug.h"
  84
  85 WINE_DEFAULT_DEBUG_CHANNEL(wave);
  86
  87 /* Allow 1% deviation for sample rates (some ES137x cards) */
  88 #define NEAR_MATCH(rate1,rate2) (((100*((int)(rate1)-(int)(rate2)))/(rate1))==0)
  89
  90 #ifdef HAVE_NAS
  91
  92 static AuServer         *AuServ;
  93
  94 #define MAX_WAVEOUTDRV  (1)
  95
  96 /* state diagram for waveOut writing:
  97  *
  98  * +---------+-------------+---------------+---------------------------------+
  99  * |  state  |  function   |     event     |            new state            |
 100  * +---------+-------------+---------------+---------------------------------+
 101  * |         | open()      |               | STOPPED                         |
 102  * | PAUSED  | write()     |               | PAUSED                          |
 103  * | STOPPED | write()     | <thrd create> | PLAYING                         |
 104  * | PLAYING | write()     | HEADER        | PLAYING                         |
 105  * | (other) | write()     | <error>       |                                 |
 106  * | (any)   | pause()     | PAUSING       | PAUSED                          |
 107  * | PAUSED  | restart()   | RESTARTING    | PLAYING (if no thrd => STOPPED) |
 108  * | (any)   | reset()     | RESETTING     | STOPPED                         |
 109  * | (any)   | close()     | CLOSING       | CLOSED                          |
 110  * +---------+-------------+---------------+---------------------------------+
 111  */
 112
 113 /* states of the playing device */
 114 #define WINE_WS_PLAYING         0
 115 #define WINE_WS_PAUSED          1
 116 #define WINE_WS_STOPPED         2
 117 #define WINE_WS_CLOSED          3
 118
 119 /* events to be send to device */
 120 enum win_wm_message {
 121     WINE_WM_PAUSING = WM_USER + 1, WINE_WM_RESTARTING, WINE_WM_RESETTING, WINE_WM_HEADER,
 122     WINE_WM_UPDATE, WINE_WM_BREAKLOOP, WINE_WM_CLOSING
 123 };
 124
 125 typedef struct {
 126     enum win_wm_message         msg;    /* message identifier */
 127     DWORD                       param;  /* parameter for this message */
 128     HANDLE                      hEvent; /* if message is synchronous, handle of event for synchro */
 129 } RING_MSG;
 130
 131 /* implement an in-process message ring for better performance
 132  * (compared to passing thru the server)
 133  * this ring will be used by the input (resp output) record (resp playback) routine
 134  */
 135 #define NAS_RING_BUFFER_INCREMENT      64
 136 typedef struct {
 137     RING_MSG                    * messages;
 138     int                         ring_buffer_size;
 139     int                         msg_tosave;
 140     int                         msg_toget;
 141     HANDLE                      msg_event;
 142     CRITICAL_SECTION            msg_crst;
 143 } MSG_RING;
 144
 145 typedef struct {
 146     volatile int                state;                  /* one of the WINE_WS_ manifest constants */
 147     WAVEOPENDESC                waveDesc;
 148     WORD                        wFlags;
 149     PCMWAVEFORMAT               format;
 150     WAVEOUTCAPSW                caps;
 151     int                         Id;
 152
 153     int                         open;
 154     AuServer                    *AuServ;
 155     AuDeviceID                  AuDev;
 156     AuFlowID                    AuFlow;
 157     BOOL                        FlowStarted;
 158
 159     DWORD                       writeBytes;
 160     DWORD                       freeBytes;
 161     DWORD                       sendBytes;
 162
 163     DWORD                       BufferSize;           /* size of whole buffer in bytes */
 164
 165     char*                       SoundBuffer;
 166     long                        BufferUsed;
 167
 168     DWORD                       volume_left;            /* volume control information */
 169     DWORD                       volume_right;
 170
 171     LPWAVEHDR                   lpQueuePtr;             /* start of queued WAVEHDRs (waiting to be notified) */
 172     LPWAVEHDR                   lpPlayPtr;              /* start of not yet fully played buffers */
 173
 174     LPWAVEHDR                   lpLoopPtr;              /* pointer of first buffer in loop, if any */
 175     DWORD                       dwLoops;                /* private copy of loop counter */
 176
 177     DWORD                       PlayedTotal;            /* number of bytes actually played since opening */
 178     DWORD                       WrittenTotal;         /* number of bytes written to the audio device since opening */
 179
 180     /* synchronization stuff */
 181     HANDLE                      hStartUpEvent;
 182     HANDLE                      hThread;
 183     DWORD                       dwThreadID;
 184     MSG_RING                    msgRing;
 185 } WINE_WAVEOUT;
 186
 187 static WINE_WAVEOUT     WOutDev   [MAX_WAVEOUTDRV];
 188
 189 static DWORD wodDsCreate(UINT wDevID, PIDSDRIVER* drv);
 190 static DWORD wodDsDesc(UINT wDevID, PDSDRIVERDESC desc);
 191
 192
 193 /* NASFUNC */
 194 static AuBool event_handler(AuServer* aud, AuEvent* ev, AuEventHandlerRec* hnd);
 195 static int nas_init(void);
 196 static int nas_end(void);
 197
 198 static int nas_finddev(WINE_WAVEOUT* wwo);
 199 static int nas_open(WINE_WAVEOUT* wwo);
 200 static int nas_free(WINE_WAVEOUT* wwo);
 201 static int nas_close(WINE_WAVEOUT* wwo);
 202 static void buffer_resize(WINE_WAVEOUT* wwo, int len);
 203 static int nas_add_buffer(WINE_WAVEOUT* wwo);
 204 static int nas_send_buffer(WINE_WAVEOUT* wwo);
 205
 206 /* These strings used only for tracing */
 207 static const char *wodPlayerCmdString[] = {
 208     "WINE_WM_PAUSING",
 209     "WINE_WM_RESTARTING",
 210     "WINE_WM_RESETTING",
 211     "WINE_WM_HEADER",
 212     "WINE_WM_UPDATE",
 213     "WINE_WM_BREAKLOOP",
 214     "WINE_WM_CLOSING",
 215 };
 216
 217 static char *nas_elementnotify_kinds[] = {
 218         "LowWater",
 219         "HighWater",
 220         "State",
 221         "Unknown"
 222 };
 223
 224 static char *nas_states[] = {
 225         "Stop",
 226         "Start",
 227         "Pause",
 228         "Any"
 229 };
 230
 231 static char *nas_reasons[] = {
 232         "User",
 233         "Underrun",
 234         "Overrun",
 235         "EOF",
 236         "Watermark",
 237         "Hardware",
 238         "Any"
 239 };
 240
 241 static char* nas_reason(unsigned int reason)
 242 {
 243         if (reason > 6) reason = 6;
 244         return nas_reasons[reason];
 245 }
 246
 247 static char* nas_elementnotify_kind(unsigned int kind)
 248 {
 249         if (kind > 2) kind = 3;
 250         return nas_elementnotify_kinds[kind];
 251 }
 252
 253
 254 #if 0
 255 static const char* nas_event_type(unsigned int type)
 256 {
 257         static const char * const nas_event_types[] =
 258         {
 259             "Undefined",
 260             "Undefined",
 261             "ElementNotify",
 262             "GrabNotify",
 263             "MonitorNotify",
 264             "BucketNotify",
 265             "DeviceNotify"
 266         };
 267
 268         if (type > 6) type = 0;
 269         return nas_event_types[type];
 270 }
 271 #endif
 272
 273
 274 static char* nas_state(unsigned int state)
 275 {
 276         if (state > 3) state = 3;
 277         return nas_states[state];
 278 }
 279
 280 static DWORD bytes_to_mmtime(LPMMTIME lpTime, DWORD position,
 281                              PCMWAVEFORMAT* format)
 282 {
 283     TRACE("wType=%04X wBitsPerSample=%u nSamplesPerSec=%lu nChannels=%u nAvgBytesPerSec=%lu\n",
 284           lpTime->wType, format->wBitsPerSample, format->wf.nSamplesPerSec,
 285           format->wf.nChannels, format->wf.nAvgBytesPerSec);
 286     TRACE("Position in bytes=%lu\n", position);
 287
 288     switch (lpTime->wType) {
 289     case TIME_SAMPLES:
 290         lpTime->u.sample = position / (format->wBitsPerSample / 8 * format->wf.nChannels);
 291         TRACE("TIME_SAMPLES=%lu\n", lpTime->u.sample);
 292         break;
 293     case TIME_MS:
 294         lpTime->u.ms = 1000.0 * position / (format->wBitsPerSample / 8 * format->wf.nChannels * format->wf.nSamplesPerSec);
 295         TRACE("TIME_MS=%lu\n", lpTime->u.ms);
 296         break;
 297     case TIME_SMPTE:
 298         lpTime->u.smpte.fps = 30;
 299         position = position / (format->wBitsPerSample / 8 * format->wf.nChannels);
 300         position += (format->wf.nSamplesPerSec / lpTime->u.smpte.fps) - 1; /* round up */
 301         lpTime->u.smpte.sec = position / format->wf.nSamplesPerSec;
 302         position -= lpTime->u.smpte.sec * format->wf.nSamplesPerSec;
 303         lpTime->u.smpte.min = lpTime->u.smpte.sec / 60;
 304         lpTime->u.smpte.sec -= 60 * lpTime->u.smpte.min;
 305         lpTime->u.smpte.hour = lpTime->u.smpte.min / 60;
 306         lpTime->u.smpte.min -= 60 * lpTime->u.smpte.hour;
 307         lpTime->u.smpte.fps = 30;
 308         lpTime->u.smpte.frame = position * lpTime->u.smpte.fps / format->wf.nSamplesPerSec;
 309         TRACE("TIME_SMPTE=%02u:%02u:%02u:%02u\n",
 310               lpTime->u.smpte.hour, lpTime->u.smpte.min,
 311               lpTime->u.smpte.sec, lpTime->u.smpte.frame);
 312         break;
 313     default:
 314         WARN("Format %d not supported, using TIME_BYTES !\n", lpTime->wType);
 315         lpTime->wType = TIME_BYTES;
 316         /* fall through */
 317     case TIME_BYTES:
 318         lpTime->u.cb = position;
 319         TRACE("TIME_BYTES=%lu\n", lpTime->u.cb);
 320         break;
 321     }
 322     return MMSYSERR_NOERROR;
 323 }
 324
 325 /*======================================================================*
 326  *                  Low level WAVE implementation                       *
 327  *======================================================================*/
 328 #if 0
 329 /* Volume functions derived from Alsaplayer source */
 330 /* length is the number of 16 bit samples */
 331 static void volume_effect16(void *bufin, void* bufout, int length, int left,
 332                             int right, int nChannels)
 333 {
 334   short *d_out = (short *)bufout;
 335   short *d_in = (short *)bufin;
 336   int i, v;
 337
 338 /*
 339   TRACE("length == %d, nChannels == %d\n", length, nChannels);
 340 */
 341
 342   if (right == -1) right = left;
 343
 344   for(i = 0; i < length; i+=(nChannels))
 345   {
 346     v = (int) ((*(d_in++) * left) / 100);
 347     *(d_out++) = (v>32767) ? 32767 : ((v<-32768) ? -32768 : v);
 348     if(nChannels == 2)
 349     {
 350       v = (int) ((*(d_in++) * right) / 100);
 351       *(d_out++) = (v>32767) ? 32767 : ((v<-32768) ? -32768 : v);
 352     }
 353   }
 354 }
 355
 356 /* length is the number of 8 bit samples */
 357 static void volume_effect8(void *bufin, void* bufout, int length, int left,
 358                            int right, int nChannels)
 359 {
 360   char *d_out = (char *)bufout;
 361   char *d_in = (char *)bufin;
 362   int i, v;
 363
 364 /*
 365   TRACE("length == %d, nChannels == %d\n", length, nChannels);
 366 */
 367
 368   if (right == -1) right = left;
 369
 370   for(i = 0; i < length; i+=(nChannels))
 371   {
 372     v = (char) ((*(d_in++) * left) / 100);
 373     *(d_out++) = (v>255) ? 255 : ((v<0) ? 0 : v);
 374     if(nChannels == 2)
 375     {
 376       v = (char) ((*(d_in++) * right) / 100);
 377       *(d_out++) = (v>255) ? 255 : ((v<0) ? 0 : v);
 378     }
 379   }
 380 }
 381 #endif
 382
 383 /******************************************************************
 384  *              NAS_CloseDevice
 385  *
 386  */
 387 static void NAS_CloseDevice(WINE_WAVEOUT* wwo)
 388 {
 389   TRACE("NAS_CloseDevice\n");
 390   nas_close(wwo);
 391 }
 392
 393 /******************************************************************
 394  *              NAS_WaveClose
 395  */
 396 LONG            NAS_WaveClose(void)
 397 {
 398     nas_end();    /* free up nas server */
 399     return 1;
 400 }
 401
 402 /******************************************************************
 403  *              NAS_WaveInit
 404  *
 405  * Initialize internal structures from NAS server info
 406  */
 407 LONG NAS_WaveInit(void)
 408 {
 409     int         i;
 410     nas_init();
 411
 412     /* initialize all device handles to -1 */
 413     for (i = 0; i < MAX_WAVEOUTDRV; ++i)
 414     {
 415         static const WCHAR ini[] = {'N','A','S',' ','W','A','V','E','O','U','T',' ','D','r','i','v','e','r',0};
 416         memset(&WOutDev[i].caps, 0, sizeof(WOutDev[i].caps)); /* zero out caps values */
 417
 418         WOutDev[i].AuServ = AuServ;
 419         WOutDev[i].AuDev = AuNone;
 420         WOutDev[i].Id = i;
 421         WOutDev[i].caps.wMid = 0x00FF;  /* Manufac ID */
 422         WOutDev[i].caps.wPid = 0x0001;  /* Product ID */
 423         strcpyW(WOutDev[i].caps.szPname, ini);
 424         WOutDev[i].AuFlow = 0;
 425         WOutDev[i].caps.vDriverVersion = 0x0100;
 426         WOutDev[i].caps.dwFormats = 0x00000000;
 427         WOutDev[i].caps.dwSupport = WAVECAPS_VOLUME;
 428
 429         WOutDev[i].caps.wChannels = 2;
 430         WOutDev[i].caps.dwSupport |= WAVECAPS_LRVOLUME;
 431
 432         WOutDev[i].caps.dwFormats |= WAVE_FORMAT_4M08;
 433         WOutDev[i].caps.dwFormats |= WAVE_FORMAT_4S08;
 434         WOutDev[i].caps.dwFormats |= WAVE_FORMAT_4S16;
 435         WOutDev[i].caps.dwFormats |= WAVE_FORMAT_4M16;
 436         WOutDev[i].caps.dwFormats |= WAVE_FORMAT_2M08;
 437         WOutDev[i].caps.dwFormats |= WAVE_FORMAT_2S08;
 438         WOutDev[i].caps.dwFormats |= WAVE_FORMAT_2M16;
 439         WOutDev[i].caps.dwFormats |= WAVE_FORMAT_2S16;
 440         WOutDev[i].caps.dwFormats |= WAVE_FORMAT_1M08;
 441         WOutDev[i].caps.dwFormats |= WAVE_FORMAT_1S08;
 442         WOutDev[i].caps.dwFormats |= WAVE_FORMAT_1M16;
 443         WOutDev[i].caps.dwFormats |= WAVE_FORMAT_1S16;
 444     }
 445
 446
 447     return 0;
 448 }
 449
 450 /******************************************************************
 451  *              NAS_InitRingMessage
 452  *
 453  * Initialize the ring of messages for passing between driver's caller and playback/record
 454  * thread
 455  */
 456 static int NAS_InitRingMessage(MSG_RING* mr)
 457 {
 458     mr->msg_toget = 0;
 459     mr->msg_tosave = 0;
 460     mr->msg_event = CreateEventW(NULL, FALSE, FALSE, NULL);
 461     mr->ring_buffer_size = NAS_RING_BUFFER_INCREMENT;
 462     mr->messages = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,mr->ring_buffer_size * sizeof(RING_MSG));
 463     InitializeCriticalSection(&mr->msg_crst);
 464     return 0;
 465 }
 466
 467 /******************************************************************
 468  *              NAS_DestroyRingMessage
 469  *
 470  */
 471 static int NAS_DestroyRingMessage(MSG_RING* mr)
 472 {
 473     CloseHandle(mr->msg_event);
 474     HeapFree(GetProcessHeap(),0,mr->messages);
 475     DeleteCriticalSection(&mr->msg_crst);
 476     return 0;
 477 }
 478
 479 /******************************************************************
 480  *              NAS_AddRingMessage
 481  *
 482  * Inserts a new message into the ring (should be called from DriverProc derivated routines)
 483  */
 484 static int NAS_AddRingMessage(MSG_RING* mr, enum win_wm_message msg, DWORD param, BOOL wait)
 485 {
 486     HANDLE      hEvent = INVALID_HANDLE_VALUE;
 487
 488     EnterCriticalSection(&mr->msg_crst);
 489     if ((mr->msg_toget == ((mr->msg_tosave + 1) % mr->ring_buffer_size)))
 490     {
 491         int old_ring_buffer_size = mr->ring_buffer_size;
 492         mr->ring_buffer_size += NAS_RING_BUFFER_INCREMENT;
 493         TRACE("omr->ring_buffer_size=%d\n",mr->ring_buffer_size);
 494         mr->messages = HeapReAlloc(GetProcessHeap(),0,mr->messages, mr->ring_buffer_size * sizeof(RING_MSG));
 495         /* Now we need to rearrange the ring buffer so that the new
 496            buffers just allocated are in between mr->msg_tosave and
 497            mr->msg_toget.
 498         */
 499         if (mr->msg_tosave < mr->msg_toget)
 500         {
 501             memmove(&(mr->messages[mr->msg_toget + NAS_RING_BUFFER_INCREMENT]),
 502                     &(mr->messages[mr->msg_toget]),
 503                     sizeof(RING_MSG)*(old_ring_buffer_size - mr->msg_toget)
 504                     );
 505             mr->msg_toget += NAS_RING_BUFFER_INCREMENT;
 506         }
 507     }
 508     if (wait)
 509     {
 510         hEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
 511         if (hEvent == INVALID_HANDLE_VALUE)
 512         {
 513             ERR("can't create event !?\n");
 514             LeaveCriticalSection(&mr->msg_crst);
 515             return 0;
 516         }
 517         if (mr->msg_toget != mr->msg_tosave && mr->messages[mr->msg_toget].msg != WINE_WM_HEADER)
 518             FIXME("two fast messages in the queue!!!!\n");
 519
 520         /* fast messages have to be added at the start of the queue */
 521         mr->msg_toget = (mr->msg_toget + mr->ring_buffer_size - 1) % mr->ring_buffer_size;
 522
 523         mr->messages[mr->msg_toget].msg = msg;
 524         mr->messages[mr->msg_toget].param = param;
 525         mr->messages[mr->msg_toget].hEvent = hEvent;
 526     }
 527     else
 528     {
 529         mr->messages[mr->msg_tosave].msg = msg;
 530         mr->messages[mr->msg_tosave].param = param;
 531         mr->messages[mr->msg_tosave].hEvent = INVALID_HANDLE_VALUE;
 532         mr->msg_tosave = (mr->msg_tosave + 1) % mr->ring_buffer_size;
 533     }
 534
 535     LeaveCriticalSection(&mr->msg_crst);
 536
 537     SetEvent(mr->msg_event);    /* signal a new message */
 538
 539     if (wait)
 540     {
 541         /* wait for playback/record thread to have processed the message */
 542         WaitForSingleObject(hEvent, INFINITE);
 543         CloseHandle(hEvent);
 544     }
 545
 546     return 1;
 547 }
 548
 549 /******************************************************************
 550  *              NAS_RetrieveRingMessage
 551  *
 552  * Get a message from the ring. Should be called by the playback/record thread.
 553  */
 554 static int NAS_RetrieveRingMessage(MSG_RING* mr,
 555                                    enum win_wm_message *msg, DWORD *param, HANDLE *hEvent)
 556 {
 557     EnterCriticalSection(&mr->msg_crst);
 558
 559     if (mr->msg_toget == mr->msg_tosave) /* buffer empty ? */
 560     {
 561         LeaveCriticalSection(&mr->msg_crst);
 562         return 0;
 563     }
 564
 565     *msg = mr->messages[mr->msg_toget].msg;
 566     mr->messages[mr->msg_toget].msg = 0;
 567     *param = mr->messages[mr->msg_toget].param;
 568     *hEvent = mr->messages[mr->msg_toget].hEvent;
 569     mr->msg_toget = (mr->msg_toget + 1) % mr->ring_buffer_size;
 570     LeaveCriticalSection(&mr->msg_crst);
 571     return 1;
 572 }
 573
 574 /*======================================================================*
 575  *                  Low level WAVE OUT implementation                   *
 576  *======================================================================*/
 577
 578 /**************************************************************************
 579  *                      wodNotifyClient                 [internal]
 580  */
 581 static DWORD wodNotifyClient(WINE_WAVEOUT* wwo, WORD wMsg, DWORD dwParam1, DWORD dwParam2)
 582 {
 583     TRACE("wMsg = 0x%04x dwParm1 = %04lX dwParam2 = %04lX\n", wMsg, dwParam1, dwParam2);
 584
 585     switch (wMsg) {
 586     case WOM_OPEN:
 587     case WOM_CLOSE:
 588     case WOM_DONE:
 589         if (wwo->wFlags != DCB_NULL &&
 590             !DriverCallback(wwo->waveDesc.dwCallback, wwo->wFlags, (HDRVR)wwo->waveDesc.hWave,
 591                             wMsg, wwo->waveDesc.dwInstance, dwParam1, dwParam2)) {
 592             WARN("can't notify client !\n");
 593             return MMSYSERR_ERROR;
 594         }
 595         break;
 596     default:
 597         FIXME("Unknown callback message %u\n", wMsg);
 598         return MMSYSERR_INVALPARAM;
 599     }
 600     return MMSYSERR_NOERROR;
 601 }
 602
 603 /**************************************************************************
 604  *                              wodUpdatePlayedTotal    [internal]
 605  *
 606  */
 607 static BOOL wodUpdatePlayedTotal(WINE_WAVEOUT* wwo)
 608 {
 609     wwo->PlayedTotal = wwo->WrittenTotal;
 610     return TRUE;
 611 }
 612
 613 /**************************************************************************
 614  *                              wodPlayer_BeginWaveHdr          [internal]
 615  *
 616  * Makes the specified lpWaveHdr the currently playing wave header.
 617  * If the specified wave header is a begin loop and we're not already in
 618  * a loop, setup the loop.
 619  */
 620 static void wodPlayer_BeginWaveHdr(WINE_WAVEOUT* wwo, LPWAVEHDR lpWaveHdr)
 621 {
 622     wwo->lpPlayPtr = lpWaveHdr;
 623
 624     if (!lpWaveHdr) return;
 625
 626     if (lpWaveHdr->dwFlags & WHDR_BEGINLOOP) {
 627         if (wwo->lpLoopPtr) {
 628             WARN("Already in a loop. Discarding loop on this header (%p)\n", lpWaveHdr);
 629             TRACE("Already in a loop. Discarding loop on this header (%p)\n", lpWaveHdr);
 630         } else {
 631             TRACE("Starting loop (%ldx) with %p\n", lpWaveHdr->dwLoops, lpWaveHdr);
 632             wwo->lpLoopPtr = lpWaveHdr;
 633             /* Windows does not touch WAVEHDR.dwLoops,
 634              * so we need to make an internal copy */
 635             wwo->dwLoops = lpWaveHdr->dwLoops;
 636         }
 637     }
 638 }
 639
 640 /**************************************************************************
 641  *                              wodPlayer_PlayPtrNext           [internal]
 642  *
 643  * Advance the play pointer to the next waveheader, looping if required.
 644  */
 645 static LPWAVEHDR wodPlayer_PlayPtrNext(WINE_WAVEOUT* wwo)
 646 {
 647     LPWAVEHDR lpWaveHdr = wwo->lpPlayPtr;
 648
 649     if ((lpWaveHdr->dwFlags & WHDR_ENDLOOP) && wwo->lpLoopPtr) {
 650         /* We're at the end of a loop, loop if required */
 651         if (--wwo->dwLoops > 0) {
 652             wwo->lpPlayPtr = wwo->lpLoopPtr;
 653         } else {
 654             /* Handle overlapping loops correctly */
 655             if (wwo->lpLoopPtr != lpWaveHdr && (lpWaveHdr->dwFlags & WHDR_BEGINLOOP)) {
 656                 FIXME("Correctly handled case ? (ending loop buffer also starts a new loop)\n");
 657                 /* shall we consider the END flag for the closing loop or for
 658                  * the opening one or for both ???
 659                  * code assumes for closing loop only
 660                  */
 661             } else {
 662                 lpWaveHdr = lpWaveHdr->lpNext;
 663             }
 664             wwo->lpLoopPtr = NULL;
 665             wodPlayer_BeginWaveHdr(wwo, lpWaveHdr);
 666         }
 667     } else {
 668         /* We're not in a loop.  Advance to the next wave header */
 669         wodPlayer_BeginWaveHdr(wwo, lpWaveHdr = lpWaveHdr->lpNext);
 670     }
 671     return lpWaveHdr;
 672 }
 673
 674 /**************************************************************************
 675  *                              wodPlayer_NotifyCompletions     [internal]
 676  *
 677  * Notifies and remove from queue all wavehdrs which have been played to
 678  * the speaker (ie. they have cleared the audio device).  If force is true,
 679  * we notify all wavehdrs and remove them all from the queue even if they
 680  * are unplayed or part of a loop.
 681  */
 682 static DWORD wodPlayer_NotifyCompletions(WINE_WAVEOUT* wwo, BOOL force)
 683 {
 684     LPWAVEHDR           lpWaveHdr;
 685
 686     /* Start from lpQueuePtr and keep notifying until:
 687      * - we hit an unwritten wavehdr
 688      * - we hit the beginning of a running loop
 689      * - we hit a wavehdr which hasn't finished playing
 690      */
 691     wodUpdatePlayedTotal(wwo);
 692
 693     while ((lpWaveHdr = wwo->lpQueuePtr) && (force || (lpWaveHdr != wwo->lpPlayPtr &&
 694             lpWaveHdr != wwo->lpLoopPtr && lpWaveHdr->reserved <= wwo->PlayedTotal))) {
 695
 696         wwo->lpQueuePtr = lpWaveHdr->lpNext;
 697
 698         lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
 699         lpWaveHdr->dwFlags |= WHDR_DONE;
 700
 701         wodNotifyClient(wwo, WOM_DONE, (DWORD)lpWaveHdr, 0);
 702     }
 703     return  (lpWaveHdr && lpWaveHdr != wwo->lpPlayPtr && lpWaveHdr != wwo->lpLoopPtr) ?
 704             1 : 1;
 705 }
 706
 707 /**************************************************************************
 708  *                              wodPlayer_Reset                 [internal]
 709  *
 710  * wodPlayer helper. Resets current output stream.
 711  */
 712 static  void    wodPlayer_Reset(WINE_WAVEOUT* wwo, BOOL reset)
 713 {
 714     wodUpdatePlayedTotal(wwo);
 715     wodPlayer_NotifyCompletions(wwo, FALSE); /* updates current notify list */
 716
 717     /* we aren't able to flush any data that has already been written */
 718     /* to nas, otherwise we would do the flushing here */
 719
 720     nas_free(wwo);
 721
 722     if (reset) {
 723         enum win_wm_message     msg;
 724         DWORD                   param;
 725         HANDLE                  ev;
 726
 727         /* remove any buffer */
 728         wodPlayer_NotifyCompletions(wwo, TRUE);
 729
 730         wwo->lpPlayPtr = wwo->lpQueuePtr = wwo->lpLoopPtr = NULL;
 731         wwo->state = WINE_WS_STOPPED;
 732         wwo->PlayedTotal = wwo->WrittenTotal = 0;
 733
 734         /* remove any existing message in the ring */
 735         EnterCriticalSection(&wwo->msgRing.msg_crst);
 736
 737         /* return all pending headers in queue */
 738         while (NAS_RetrieveRingMessage(&wwo->msgRing, &msg, &param, &ev))
 739         {
 740             TRACE("flushing msg\n");
 741             if (msg != WINE_WM_HEADER)
 742             {
 743                 FIXME("shouldn't have headers left\n");
 744                 SetEvent(ev);
 745                 continue;
 746             }
 747             ((LPWAVEHDR)param)->dwFlags &= ~WHDR_INQUEUE;
 748             ((LPWAVEHDR)param)->dwFlags |= WHDR_DONE;
 749
 750             wodNotifyClient(wwo, WOM_DONE, param, 0);
 751         }
 752         ResetEvent(wwo->msgRing.msg_event);
 753         LeaveCriticalSection(&wwo->msgRing.msg_crst);
 754     } else {
 755         if (wwo->lpLoopPtr) {
 756             /* complicated case, not handled yet (could imply modifying the loop counter */
 757             FIXME("Pausing while in loop isn't correctly handled yet, except strange results\n");
 758             wwo->lpPlayPtr = wwo->lpLoopPtr;
 759             wwo->WrittenTotal = wwo->PlayedTotal; /* this is wrong !!! */
 760         } else {
 761             /* the data already written is going to be played, so take */
 762             /* this fact into account here */
 763             wwo->PlayedTotal = wwo->WrittenTotal;
 764         }
 765         wwo->state = WINE_WS_PAUSED;
 766     }
 767 }
 768
 769 /**************************************************************************
 770  *                    wodPlayer_ProcessMessages                 [internal]
 771  */
 772 static void wodPlayer_ProcessMessages(WINE_WAVEOUT* wwo)
 773 {
 774     LPWAVEHDR           lpWaveHdr;
 775     enum win_wm_message msg;
 776     DWORD               param;
 777     HANDLE              ev;
 778
 779     while (NAS_RetrieveRingMessage(&wwo->msgRing, &msg, &param, &ev)) {
 780         TRACE("Received %s %lx\n", wodPlayerCmdString[msg - WM_USER - 1], param);
 781         switch (msg) {
 782         case WINE_WM_PAUSING:
 783             wodPlayer_Reset(wwo, FALSE);
 784             SetEvent(ev);
 785             break;
 786         case WINE_WM_RESTARTING:
 787             wwo->state = WINE_WS_PLAYING;
 788             SetEvent(ev);
 789             break;
 790         case WINE_WM_HEADER:
 791             lpWaveHdr = (LPWAVEHDR)param;
 792
 793             /* insert buffer at the end of queue */
 794             {
 795                 LPWAVEHDR*      wh;
 796                 for (wh = &(wwo->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
 797                 *wh = lpWaveHdr;
 798             }
 799             if (!wwo->lpPlayPtr)
 800                 wodPlayer_BeginWaveHdr(wwo,lpWaveHdr);
 801             if (wwo->state == WINE_WS_STOPPED)
 802                 wwo->state = WINE_WS_PLAYING;
 803             break;
 804         case WINE_WM_RESETTING:
 805             wodPlayer_Reset(wwo, TRUE);
 806             SetEvent(ev);
 807             break;
 808         case WINE_WM_UPDATE:
 809             wodUpdatePlayedTotal(wwo);
 810             SetEvent(ev);
 811             break;
 812         case WINE_WM_BREAKLOOP:
 813             if (wwo->state == WINE_WS_PLAYING && wwo->lpLoopPtr != NULL) {
 814                 /* ensure exit at end of current loop */
 815                 wwo->dwLoops = 1;
 816             }
 817             SetEvent(ev);
 818             break;
 819         case WINE_WM_CLOSING:
 820             /* sanity check: this should not happen since the device must have been reset before */
 821             if (wwo->lpQueuePtr || wwo->lpPlayPtr) ERR("out of sync\n");
 822             wwo->hThread = 0;
 823             wwo->state = WINE_WS_CLOSED;
 824             SetEvent(ev);
 825             ExitThread(0);
 826             /* shouldn't go here */
 827         default:
 828             FIXME("unknown message %d\n", msg);
 829             break;
 830         }
 831     }
 832 }
 833
 834 /**************************************************************************
 835  *                              wodPlayer                       [internal]
 836  */
 837 static  DWORD   CALLBACK        wodPlayer(LPVOID pmt)
 838 {
 839     WORD          uDevID = (DWORD)pmt;
 840     WINE_WAVEOUT* wwo = (WINE_WAVEOUT*)&WOutDev[uDevID];
 841
 842     wwo->state = WINE_WS_STOPPED;
 843     SetEvent(wwo->hStartUpEvent);
 844
 845     for (;;) {
 846
 847         if (wwo->FlowStarted) {
 848            AuHandleEvents(wwo->AuServ);
 849
 850            if (wwo->state == WINE_WS_PLAYING && wwo->freeBytes && wwo->BufferUsed)
 851               nas_send_buffer(wwo);
 852         }
 853
 854         if (wwo->BufferUsed <= FRAG_SIZE && wwo->writeBytes > 0)
 855            wodPlayer_NotifyCompletions(wwo, FALSE);
 856
 857         WaitForSingleObject(wwo->msgRing.msg_event, 20);
 858         wodPlayer_ProcessMessages(wwo);
 859
 860         while(wwo->lpPlayPtr) {
 861            wwo->lpPlayPtr->reserved = wwo->WrittenTotal + wwo->lpPlayPtr->dwBufferLength;
 862            nas_add_buffer(wwo);
 863            wodPlayer_PlayPtrNext(wwo);
 864         }
 865
 866     }
 867 }
 868
 869 /**************************************************************************
 870  *                      wodGetDevCaps                           [internal]
 871  */
 872 static DWORD wodGetDevCaps(WORD wDevID, LPWAVEOUTCAPSW lpCaps, DWORD dwSize)
 873 {
 874     TRACE("(%u, %p, %lu);\n", wDevID, lpCaps, dwSize);
 875
 876     if (lpCaps == NULL) return MMSYSERR_NOTENABLED;
 877
 878     if (wDevID >= MAX_WAVEOUTDRV) {
 879         TRACE("MAX_WAVOUTDRV reached !\n");
 880         return MMSYSERR_BADDEVICEID;
 881     }
 882
 883     memcpy(lpCaps, &WOutDev[wDevID].caps, min(dwSize, sizeof(*lpCaps)));
 884     return MMSYSERR_NOERROR;
 885 }
 886
 887 /**************************************************************************
 888  *                              wodOpen                         [internal]
 889  */
 890 static DWORD wodOpen(WORD wDevID, LPWAVEOPENDESC lpDesc, DWORD dwFlags)
 891 {
 892     WINE_WAVEOUT*       wwo;
 893
 894     TRACE("wodOpen (%u, %p, %08lX);\n", wDevID, lpDesc, dwFlags);
 895
 896     if (lpDesc == NULL) {
 897         WARN("Invalid Parameter !\n");
 898         return MMSYSERR_INVALPARAM;
 899     }
 900     if (wDevID >= MAX_WAVEOUTDRV) {
 901         TRACE("MAX_WAVOUTDRV reached !\n");
 902         return MMSYSERR_BADDEVICEID;
 903     }
 904
 905     /* if this device is already open tell the app that it is allocated */
 906
 907     wwo = &WOutDev[wDevID];
 908
 909     if(wwo->open)
 910     {
 911       TRACE("device already allocated\n");
 912       return MMSYSERR_ALLOCATED;
 913     }
 914
 915
 916     /* only PCM format is supported so far... */
 917     if (lpDesc->lpFormat->wFormatTag != WAVE_FORMAT_PCM ||
 918         lpDesc->lpFormat->nChannels == 0 ||
 919         lpDesc->lpFormat->nSamplesPerSec == 0 ||
 920         (lpDesc->lpFormat->wBitsPerSample!=8 && lpDesc->lpFormat->wBitsPerSample!=16)) {
 921         WARN("Bad format: tag=%04X nChannels=%d nSamplesPerSec=%ld !\n",
 922              lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
 923              lpDesc->lpFormat->nSamplesPerSec);
 924         return WAVERR_BADFORMAT;
 925     }
 926
 927     if (dwFlags & WAVE_FORMAT_QUERY) {
 928         TRACE("Query format: tag=%04X nChannels=%d nSamplesPerSec=%ld !\n",
 929              lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
 930              lpDesc->lpFormat->nSamplesPerSec);
 931         return MMSYSERR_NOERROR;
 932     }
 933
 934     /* direct sound not supported, ignore the flag */
 935     dwFlags &= ~WAVE_DIRECTSOUND;
 936
 937     wwo->wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
 938
 939     memcpy(&wwo->waveDesc, lpDesc,           sizeof(WAVEOPENDESC));
 940     memcpy(&wwo->format,   lpDesc->lpFormat, sizeof(PCMWAVEFORMAT));
 941
 942     if (wwo->format.wBitsPerSample == 0) {
 943         WARN("Resetting zeroed wBitsPerSample\n");
 944         wwo->format.wBitsPerSample = 8 *
 945             (wwo->format.wf.nAvgBytesPerSec /
 946              wwo->format.wf.nSamplesPerSec) /
 947             wwo->format.wf.nChannels;
 948     }
 949
 950     if (!nas_open(wwo))
 951        return MMSYSERR_ALLOCATED;
 952
 953     NAS_InitRingMessage(&wwo->msgRing);
 954
 955     /* create player thread */
 956     if (!(dwFlags & WAVE_DIRECTSOUND)) {
 957         wwo->hStartUpEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
 958         wwo->hThread = CreateThread(NULL, 0, wodPlayer, (LPVOID)(DWORD)wDevID, 0, &(wwo->dwThreadID));
 959         if (wwo->hThread)
 960             SetThreadPriority(wwo->hThread, THREAD_PRIORITY_TIME_CRITICAL);
 961         WaitForSingleObject(wwo->hStartUpEvent, INFINITE);
 962         CloseHandle(wwo->hStartUpEvent);
 963     } else {
 964         wwo->hThread = INVALID_HANDLE_VALUE;
 965         wwo->dwThreadID = 0;
 966     }
 967     wwo->hStartUpEvent = INVALID_HANDLE_VALUE;
 968
 969     TRACE("stream=0x%lx, BufferSize=%ld\n", (long)wwo->AuServ, wwo->BufferSize);
 970
 971     TRACE("wBitsPerSample=%u nAvgBytesPerSec=%lu nSamplesPerSec=%lu nChannels=%u nBlockAlign=%u\n",
 972           wwo->format.wBitsPerSample, wwo->format.wf.nAvgBytesPerSec,
 973           wwo->format.wf.nSamplesPerSec, wwo->format.wf.nChannels,
 974           wwo->format.wf.nBlockAlign);
 975
 976     return wodNotifyClient(wwo, WOM_OPEN, 0L, 0L);
 977 }
 978
 979 /**************************************************************************
 980  *                              wodClose                        [internal]
 981  */
 982 static DWORD wodClose(WORD wDevID)
 983 {
 984     DWORD               ret = MMSYSERR_NOERROR;
 985     WINE_WAVEOUT*       wwo;
 986
 987     TRACE("(%u);\n", wDevID);
 988
 989     if (wDevID >= MAX_WAVEOUTDRV || AuServ  == NULL)
 990     {
 991         WARN("bad device ID !\n");
 992         return MMSYSERR_BADDEVICEID;
 993     }
 994
 995     wwo = &WOutDev[wDevID];
 996     if (wwo->lpQueuePtr) {
 997         WARN("buffers still playing !\n");
 998         ret = WAVERR_STILLPLAYING;
 999     } else {
1000         TRACE("imhere[3-close]\n");
1001         if (wwo->hThread != INVALID_HANDLE_VALUE) {
1002             NAS_AddRingMessage(&wwo->msgRing, WINE_WM_CLOSING, 0, TRUE);
1003         }
1004
1005         NAS_DestroyRingMessage(&wwo->msgRing);
1006
1007         NAS_CloseDevice(wwo);   /* close the stream and clean things up */
1008
1009         ret = wodNotifyClient(wwo, WOM_CLOSE, 0L, 0L);
1010     }
1011     return ret;
1012 }
1013
1014 /**************************************************************************
1015  *                              wodWrite                        [internal]
1016  *
1017  */
1018 static DWORD wodWrite(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
1019 {
1020     TRACE("(%u, %p, %08lX);\n", wDevID, lpWaveHdr, dwSize);
1021
1022     /* first, do the sanity checks... */
1023     if (wDevID >= MAX_WAVEOUTDRV || AuServ == NULL)
1024     {
1025         WARN("bad dev ID !\n");
1026         return MMSYSERR_BADDEVICEID;
1027     }
1028
1029     if (lpWaveHdr->lpData == NULL || !(lpWaveHdr->dwFlags & WHDR_PREPARED))
1030     {
1031         TRACE("unprepared\n");
1032         return WAVERR_UNPREPARED;
1033     }
1034
1035     if (lpWaveHdr->dwFlags & WHDR_INQUEUE)
1036     {
1037         TRACE("still playing\n");
1038         return WAVERR_STILLPLAYING;
1039     }
1040
1041     lpWaveHdr->dwFlags &= ~WHDR_DONE;
1042     lpWaveHdr->dwFlags |= WHDR_INQUEUE;
1043     lpWaveHdr->lpNext = 0;
1044
1045     TRACE("adding ring message\n");
1046     NAS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_HEADER, (DWORD)lpWaveHdr, FALSE);
1047
1048     return MMSYSERR_NOERROR;
1049 }
1050
1051 /**************************************************************************
1052  *                      wodPause                                [internal]
1053  */
1054 static DWORD wodPause(WORD wDevID)
1055 {
1056     TRACE("(%u);!\n", wDevID);
1057
1058     if (wDevID >= MAX_WAVEOUTDRV || AuServ == NULL)
1059     {
1060         WARN("bad device ID !\n");
1061         return MMSYSERR_BADDEVICEID;
1062     }
1063
1064     TRACE("imhere[3-PAUSING]\n");
1065     NAS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_PAUSING, 0, TRUE);
1066
1067     return MMSYSERR_NOERROR;
1068 }
1069
1070 /**************************************************************************
1071  *                      wodRestart                              [internal]
1072  */
1073 static DWORD wodRestart(WORD wDevID)
1074 {
1075     TRACE("(%u);\n", wDevID);
1076
1077     if (wDevID >= MAX_WAVEOUTDRV || AuServ == NULL)
1078     {
1079         WARN("bad device ID !\n");
1080         return MMSYSERR_BADDEVICEID;
1081     }
1082
1083     if (WOutDev[wDevID].state == WINE_WS_PAUSED) {
1084         TRACE("imhere[3-RESTARTING]\n");
1085         NAS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_RESTARTING, 0, TRUE);
1086     }
1087
1088     /* FIXME: is NotifyClient with WOM_DONE right ? (Comet Busters 1.3.3 needs this notification) */
1089     /* FIXME: Myst crashes with this ... hmm -MM
1090        return wodNotifyClient(wwo, WOM_DONE, 0L, 0L);
1091     */
1092
1093     return MMSYSERR_NOERROR;
1094 }
1095
1096 /**************************************************************************
1097  *                      wodReset                                [internal]
1098  */
1099 static DWORD wodReset(WORD wDevID)
1100 {
1101     TRACE("(%u);\n", wDevID);
1102
1103     if (wDevID >= MAX_WAVEOUTDRV || AuServ == NULL)
1104     {
1105         WARN("bad device ID !\n");
1106         return MMSYSERR_BADDEVICEID;
1107     }
1108
1109     TRACE("imhere[3-RESET]\n");
1110     NAS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_RESETTING, 0, TRUE);
1111
1112     return MMSYSERR_NOERROR;
1113 }
1114
1115 /**************************************************************************
1116  *                              wodGetPosition                  [internal]
1117  */
1118 static DWORD wodGetPosition(WORD wDevID, LPMMTIME lpTime, DWORD uSize)
1119 {
1120     WINE_WAVEOUT*       wwo;
1121
1122     TRACE("%u, %p, %lu);\n", wDevID, lpTime, uSize);
1123
1124     if (wDevID >= MAX_WAVEOUTDRV || AuServ == NULL)
1125     {
1126         WARN("bad device ID !\n");
1127         return MMSYSERR_BADDEVICEID;
1128     }
1129
1130     if (lpTime == NULL) return MMSYSERR_INVALPARAM;
1131
1132     wwo = &WOutDev[wDevID];
1133 #if 0
1134     NAS_AddRingMessage(&wwo->msgRing, WINE_WM_UPDATE, 0, TRUE);
1135 #endif
1136
1137     return bytes_to_mmtime(lpTime, wwo->WrittenTotal, &wwo->format);
1138 }
1139
1140 /**************************************************************************
1141  *                              wodBreakLoop                    [internal]
1142  */
1143 static DWORD wodBreakLoop(WORD wDevID)
1144 {
1145     TRACE("(%u);\n", wDevID);
1146
1147     if (wDevID >= MAX_WAVEOUTDRV || AuServ == NULL)
1148     {
1149         WARN("bad device ID !\n");
1150         return MMSYSERR_BADDEVICEID;
1151     }
1152     NAS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_BREAKLOOP, 0, TRUE);
1153     return MMSYSERR_NOERROR;
1154 }
1155
1156 /**************************************************************************
1157  *                              wodGetVolume                    [internal]
1158  */
1159 static DWORD wodGetVolume(WORD wDevID, LPDWORD lpdwVol)
1160 {
1161     DWORD left, right;
1162
1163     left = WOutDev[wDevID].volume_left;
1164     right = WOutDev[wDevID].volume_right;
1165
1166     TRACE("(%u, %p);\n", wDevID, lpdwVol);
1167
1168     *lpdwVol = ((left * 0xFFFFl) / 100) + (((right * 0xFFFFl) / 100) << 16);
1169
1170     return MMSYSERR_NOERROR;
1171 }
1172
1173 /**************************************************************************
1174  *                              wodSetVolume                    [internal]
1175  */
1176 static DWORD wodSetVolume(WORD wDevID, DWORD dwParam)
1177 {
1178     DWORD left, right;
1179
1180     left  = (LOWORD(dwParam) * 100) / 0xFFFFl;
1181     right = (HIWORD(dwParam) * 100) / 0xFFFFl;
1182
1183     TRACE("(%u, %08lX);\n", wDevID, dwParam);
1184
1185     WOutDev[wDevID].volume_left = left;
1186     WOutDev[wDevID].volume_right = right;
1187
1188     return MMSYSERR_NOERROR;
1189 }
1190
1191 /**************************************************************************
1192  *                              wodGetNumDevs                   [internal]
1193  */
1194 static  DWORD   wodGetNumDevs(void)
1195 {
1196     return MAX_WAVEOUTDRV;
1197 }
1198
1199 /**************************************************************************
1200  *                              wodMessage (WINENAS.@)
1201  */
1202 DWORD WINAPI NAS_wodMessage(UINT wDevID, UINT wMsg, DWORD dwUser,
1203                             DWORD dwParam1, DWORD dwParam2)
1204 {
1205     TRACE("(%u, %04X, %08lX, %08lX, %08lX);\n", wDevID, wMsg, dwUser, dwParam1, dwParam2);
1206
1207     switch (wMsg) {
1208     case DRVM_INIT:
1209     case DRVM_EXIT:
1210     case DRVM_ENABLE:
1211     case DRVM_DISABLE:
1212         /* FIXME: Pretend this is supported */
1213         return 0;
1214     case WODM_OPEN:             return wodOpen          (wDevID, (LPWAVEOPENDESC)dwParam1,      dwParam2);
1215     case WODM_CLOSE:            return wodClose         (wDevID);
1216     case WODM_WRITE:            return wodWrite         (wDevID, (LPWAVEHDR)dwParam1,           dwParam2);
1217     case WODM_PAUSE:            return wodPause         (wDevID);
1218     case WODM_GETPOS:           return wodGetPosition   (wDevID, (LPMMTIME)dwParam1,            dwParam2);
1219     case WODM_BREAKLOOP:        return wodBreakLoop     (wDevID);
1220     case WODM_PREPARE:          return MMSYSERR_NOTSUPPORTED;
1221     case WODM_UNPREPARE:        return MMSYSERR_NOTSUPPORTED;
1222     case WODM_GETDEVCAPS:       return wodGetDevCaps    (wDevID, (LPWAVEOUTCAPSW)dwParam1,      dwParam2);
1223     case WODM_GETNUMDEVS:       return wodGetNumDevs    ();
1224     case WODM_GETPITCH:         return MMSYSERR_NOTSUPPORTED;
1225     case WODM_SETPITCH:         return MMSYSERR_NOTSUPPORTED;
1226     case WODM_GETPLAYBACKRATE:  return MMSYSERR_NOTSUPPORTED;
1227     case WODM_SETPLAYBACKRATE:  return MMSYSERR_NOTSUPPORTED;
1228     case WODM_GETVOLUME:        return wodGetVolume     (wDevID, (LPDWORD)dwParam1);
1229     case WODM_SETVOLUME:        return wodSetVolume     (wDevID, dwParam1);
1230     case WODM_RESTART:          return wodRestart       (wDevID);
1231     case WODM_RESET:            return wodReset         (wDevID);
1232
1233     case DRV_QUERYDSOUNDIFACE:  return wodDsCreate      (wDevID, (PIDSDRIVER*)dwParam1);
1234     case DRV_QUERYDSOUNDDESC:   return wodDsDesc        (wDevID, (PDSDRIVERDESC)dwParam1);
1235     default:
1236         FIXME("unknown message %d!\n", wMsg);
1237     }
1238     return MMSYSERR_NOTSUPPORTED;
1239 }
1240
1241 /*======================================================================*
1242  *                  Low level DSOUND implementation                     *
1243  *======================================================================*/
1244 static DWORD wodDsCreate(UINT wDevID, PIDSDRIVER* drv)
1245 {
1246     /* we can't perform memory mapping as we don't have a file stream
1247         interface with nas like we do with oss */
1248     MESSAGE("This sound card s driver does not support direct access\n");
1249     MESSAGE("The (slower) DirectSound HEL mode will be used instead.\n");
1250     return MMSYSERR_NOTSUPPORTED;
1251 }
1252
1253 static DWORD wodDsDesc(UINT wDevID, PDSDRIVERDESC desc)
1254 {
1255     memset(desc, 0, sizeof(*desc));
1256     strcpy(desc->szDesc, "Wine NAS DirectSound Driver");
1257     strcpy(desc->szDrvname, "winenas.drv");
1258     return MMSYSERR_NOERROR;
1259 }
1260
1261 static int nas_init(void) {
1262     TRACE("NAS INIT\n");
1263     if (!(AuServ = AuOpenServer(NULL, 0, NULL, 0, NULL, NULL)))
1264        return 0;
1265
1266     return 1;
1267 }
1268
1269 static int nas_finddev(WINE_WAVEOUT* wwo) {
1270    int i;
1271
1272     for (i = 0; i < AuServerNumDevices(wwo->AuServ); i++) {
1273         if ((AuDeviceKind(AuServerDevice(wwo->AuServ, i)) ==
1274              AuComponentKindPhysicalOutput) &&
1275              AuDeviceNumTracks(AuServerDevice(wwo->AuServ, i)) == wwo->format.wf.nChannels)
1276         {
1277             wwo->AuDev = AuDeviceIdentifier(AuServerDevice(wwo->AuServ, i));
1278             break;
1279         }
1280     }
1281
1282     if (wwo->AuDev == AuNone)
1283        return 0;
1284     return 1;
1285 }
1286
1287 static int nas_open(WINE_WAVEOUT* wwo) {
1288     AuElement elements[3];
1289
1290     if (!wwo->AuServ)
1291        return 0;
1292
1293     if (!nas_finddev(wwo))
1294        return 0;
1295
1296     if (!(wwo->AuFlow = AuCreateFlow(wwo->AuServ, NULL)))
1297        return 0;
1298
1299     wwo->BufferSize = FRAG_SIZE * FRAG_COUNT;
1300
1301     AuMakeElementImportClient(&elements[0], wwo->format.wf.nSamplesPerSec,
1302            wwo->format.wBitsPerSample == 16 ? AuFormatLinearSigned16LSB : AuFormatLinearUnsigned8,
1303            wwo->format.wf.nChannels, AuTrue, wwo->BufferSize, wwo->BufferSize / 2, 0, NULL);
1304
1305     AuMakeElementExportDevice(&elements[1], 0, wwo->AuDev, wwo->format.wf.nSamplesPerSec,
1306                               AuUnlimitedSamples, 0, NULL);
1307
1308     AuSetElements(wwo->AuServ, wwo->AuFlow, AuTrue, 2, elements, NULL);
1309
1310     AuRegisterEventHandler(wwo->AuServ, AuEventHandlerIDMask, 0, wwo->AuFlow,
1311                            event_handler, (AuPointer) wwo);
1312
1313
1314     wwo->PlayedTotal = 0;
1315     wwo->WrittenTotal = 0;
1316     wwo->open = 1;
1317
1318     wwo->BufferUsed = 0;
1319     wwo->writeBytes = 0;
1320     wwo->freeBytes = 0;
1321     wwo->sendBytes = 0;
1322     wwo->SoundBuffer = NULL;
1323     wwo->FlowStarted = 0;
1324
1325     AuStartFlow(wwo->AuServ, wwo->AuFlow, NULL);
1326     AuPauseFlow(wwo->AuServ, wwo->AuFlow, NULL);
1327     wwo->FlowStarted = 1;
1328
1329     return 1;
1330 }
1331
1332 static AuBool
1333 event_handler(AuServer* aud, AuEvent* ev, AuEventHandlerRec* hnd)
1334 {
1335   WINE_WAVEOUT *wwo = (WINE_WAVEOUT *)hnd->data;
1336         switch (ev->type) {
1337
1338         case AuEventTypeElementNotify: {
1339                 AuElementNotifyEvent* event = (AuElementNotifyEvent *)ev;
1340
1341
1342                 switch (event->kind) {
1343                    case AuElementNotifyKindLowWater:
1344                      wwo->freeBytes += event->num_bytes;
1345                      if (wwo->writeBytes > 0)
1346                         wwo->sendBytes += event->num_bytes;
1347                     if (wwo->freeBytes && wwo->BufferUsed)
1348                         nas_send_buffer(wwo);
1349                    break;
1350
1351                    case AuElementNotifyKindState:
1352                      TRACE("ev: kind %s state %s->%s reason %s numbytes %ld freeB %lu\n",
1353                                      nas_elementnotify_kind(event->kind),
1354                                      nas_state(event->prev_state),
1355                                      nas_state(event->cur_state),
1356                                      nas_reason(event->reason),
1357                                      event->num_bytes, wwo->freeBytes);
1358
1359                      if (event->cur_state ==  AuStatePause && event->reason != AuReasonUser) {
1360                         wwo->freeBytes += event->num_bytes;
1361                         if (wwo->writeBytes > 0)
1362                            wwo->sendBytes += event->num_bytes;
1363                         if (wwo->sendBytes > wwo->writeBytes)
1364                            wwo->sendBytes = wwo->writeBytes;
1365                        if (wwo->freeBytes && wwo->BufferUsed)
1366                            nas_send_buffer(wwo);
1367                      }
1368                    break;
1369                 }
1370            }
1371         }
1372         return AuTrue;
1373 }
1374
1375 static void
1376 buffer_resize(WINE_WAVEOUT* wwo, int len)
1377 {
1378         void *newbuf = malloc(wwo->BufferUsed + len);
1379         void *oldbuf = wwo->SoundBuffer;
1380         memcpy(newbuf, oldbuf, wwo->BufferUsed);
1381         wwo->SoundBuffer = newbuf;
1382         if (oldbuf != NULL)
1383            free(oldbuf);
1384 }
1385
1386 static int nas_add_buffer(WINE_WAVEOUT* wwo) {
1387     int len = wwo->lpPlayPtr->dwBufferLength;
1388
1389     buffer_resize(wwo, len);
1390     memcpy(wwo->SoundBuffer + wwo->BufferUsed, wwo->lpPlayPtr->lpData, len);
1391     wwo->BufferUsed += len;
1392     wwo->WrittenTotal += len;
1393     return len;
1394 }
1395
1396 static int nas_send_buffer(WINE_WAVEOUT* wwo) {
1397   int oldb , len;
1398   char *ptr, *newdata;
1399   newdata = NULL;
1400   oldb = len = 0;
1401
1402   if (wwo->freeBytes <= 0)
1403      return 0;
1404
1405   if (wwo->SoundBuffer == NULL || wwo->BufferUsed == 0) {
1406      return 0;
1407   }
1408
1409   if (wwo->BufferUsed <= wwo->freeBytes) {
1410      len = wwo->BufferUsed;
1411      ptr = wwo->SoundBuffer;
1412   } else {
1413      len = wwo->freeBytes;
1414      ptr = malloc(len);
1415      memcpy(ptr,wwo->SoundBuffer,len);
1416      newdata = malloc(wwo->BufferUsed - len);
1417      memcpy(newdata, wwo->SoundBuffer + len, wwo->BufferUsed - len);
1418   }
1419
1420  TRACE("envoye de %d bytes / %lu bytes / freeBytes %lu\n", len, wwo->BufferUsed, wwo->freeBytes);
1421
1422  AuWriteElement(wwo->AuServ, wwo->AuFlow, 0, len, ptr, AuFalse, NULL);
1423
1424  wwo->BufferUsed -= len;
1425  wwo->freeBytes -= len;
1426  wwo->writeBytes += len;
1427
1428  free(ptr);
1429
1430  wwo->SoundBuffer = NULL;
1431
1432  if (newdata != NULL)
1433     wwo->SoundBuffer = newdata;
1434
1435  return len;
1436 }
1437
1438 static int nas_free(WINE_WAVEOUT* wwo)
1439 {
1440
1441   if (!wwo->FlowStarted && wwo->BufferUsed) {
1442      AuStartFlow(wwo->AuServ, wwo->AuFlow, NULL);
1443      wwo->FlowStarted = 1;
1444   }
1445
1446   while (wwo->BufferUsed || wwo->writeBytes != wwo->sendBytes) {
1447     if (wwo->freeBytes)
1448        nas_send_buffer(wwo);
1449     AuHandleEvents(wwo->AuServ);
1450   }
1451
1452   AuFlush(wwo->AuServ);
1453   return TRUE;
1454 }
1455
1456 static int nas_close(WINE_WAVEOUT* wwo)
1457 {
1458   AuEvent ev;
1459
1460   nas_free(wwo);
1461
1462   AuStopFlow(wwo->AuServ, wwo->AuFlow, NULL);
1463   AuDestroyFlow(wwo->AuServ, wwo->AuFlow, NULL);
1464   AuFlush(wwo->AuServ);
1465   AuNextEvent(wwo->AuServ, AuTrue, &ev);
1466   AuDispatchEvent(wwo->AuServ, &ev);
1467
1468   wwo->AuFlow = 0;
1469   wwo->open = 0;
1470   wwo->BufferUsed = 0;
1471   wwo->freeBytes = 0;
1472   wwo->SoundBuffer = NULL;
1473   return 1;
1474 }
1475
1476 static int nas_end(void)
1477 {
1478   AuCloseServer(AuServ);
1479   AuServ = 0;
1480   return 1;
1481 }
1482
1483 #else /* !HAVE_NAS */
1484
1485 /**************************************************************************
1486  *                              wodMessage (WINENAS.@)
1487  */
1488 DWORD WINAPI NAS_wodMessage(WORD wDevID, WORD wMsg, DWORD dwUser, DWORD dwParam1, DWORD dwParam2)
1489 {
1490     FIXME("(%u, %04X, %08lX, %08lX, %08lX):stub\n", wDevID, wMsg, dwUser, dwParam1, dwParam2);
1491     return MMSYSERR_NOTENABLED;
1492 }
1493 #endif