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 <stdio.h>
  41 #include <string.h>
  42 #ifdef HAVE_UNISTD_H
  43 # include <unistd.h>
  44 #endif
  45 #ifdef HAVE_SYS_TIME_H
  46 # include <sys/time.h>
  47 #endif
  48 #include <errno.h>
  49 #include <fcntl.h>
  50
  51 #if 0
  52 #define EMULATE_SB16
  53 #endif
  54 #define FRAG_SIZE  1024
  55 #define FRAG_COUNT 10
  56
  57 /* avoid type conflicts */
  58 #define INT8 X_INT8
  59 #define INT16 X_INT16
  60 #define INT32 X_INT32
  61 #define BOOL X_BOOL
  62 #define BYTE X_BYTE
  63 #ifdef HAVE_AUDIO_AUDIOLIB_H
  64 #include <audio/audiolib.h>
  65 #endif
  66 #ifdef HAVE_AUDIO_SOUNDLIB_H
  67 #include <audio/soundlib.h>
  68 #endif
  69 #undef INT8
  70 #undef INT16
  71 #undef INT32
  72 #undef BOOL
  73 #undef BYTE
  74
  75 #include "windef.h"
  76 #include "wingdi.h"
  77 #include "winerror.h"
  78 #include "wine/winuser16.h"
  79 #include "mmddk.h"
  80 #include "dsound.h"
  81 #include "dsdriver.h"
  82 #include "nas.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 typedef struct {
 136 #define NAS_RING_BUFFER_SIZE    30
 137     RING_MSG                    messages[NAS_RING_BUFFER_SIZE];
 138     int                         msg_tosave;
 139     int                         msg_toget;
 140     HANDLE                      msg_event;
 141     CRITICAL_SECTION            msg_crst;
 142 } MSG_RING;
 143
 144 typedef struct {
 145     volatile int                state;                  /* one of the WINE_WS_ manifest constants */
 146     WAVEOPENDESC                waveDesc;
 147     WORD                        wFlags;
 148     PCMWAVEFORMAT               format;
 149     WAVEOUTCAPSA                caps;
 150     int                         Id;
 151
 152     int                         open;
 153     AuServer                    *AuServ;
 154     AuDeviceID                  AuDev;
 155     AuFlowID                    AuFlow;
 156     BOOL                        FlowStarted;
 157
 158     DWORD                       writeBytes;
 159     DWORD                       freeBytes;
 160     DWORD                       sendBytes;
 161
 162     DWORD                       BufferSize;           /* size of whole buffer in bytes */
 163
 164     char*                       SoundBuffer;
 165     long                        BufferUsed;
 166
 167     DWORD                       volume_left;            /* volume control information */
 168     DWORD                       volume_right;
 169
 170     LPWAVEHDR                   lpQueuePtr;             /* start of queued WAVEHDRs (waiting to be notified) */
 171     LPWAVEHDR                   lpPlayPtr;              /* start of not yet fully played buffers */
 172
 173     LPWAVEHDR                   lpLoopPtr;              /* pointer of first buffer in loop, if any */
 174     DWORD                       dwLoops;                /* private copy of loop counter */
 175
 176     DWORD                       PlayedTotal;            /* number of bytes actually played since opening */
 177     DWORD                       WrittenTotal;         /* number of bytes written to the audio device since opening */
 178
 179     /* synchronization stuff */
 180     HANDLE                      hStartUpEvent;
 181     HANDLE                      hThread;
 182     DWORD                       dwThreadID;
 183     MSG_RING                    msgRing;
 184 } WINE_WAVEOUT;
 185
 186 static WINE_WAVEOUT     WOutDev   [MAX_WAVEOUTDRV];
 187
 188 static DWORD wodDsCreate(UINT wDevID, PIDSDRIVER* drv);
 189
 190
 191 /* NASFUNC */
 192 static AuBool event_handler(AuServer* aud, AuEvent* ev, AuEventHandlerRec* hnd);
 193 static int nas_init(void);
 194 static int nas_end(void);
 195
 196 static int nas_finddev(WINE_WAVEOUT* wwo);
 197 static int nas_open(WINE_WAVEOUT* wwo);
 198 static int nas_free(WINE_WAVEOUT* wwo);
 199 static int nas_close(WINE_WAVEOUT* wwo);
 200 static void buffer_resize(WINE_WAVEOUT* wwo, int len);
 201 static int nas_add_buffer(WINE_WAVEOUT* wwo);
 202 static int nas_send_buffer(WINE_WAVEOUT* wwo);
 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 static char *nas_elementnotify_kinds[] = {
 216         "LowWater",
 217         "HighWater",
 218         "State",
 219         "Unknown"
 220 };
 221
 222 static char *nas_states[] = {
 223         "Stop",
 224         "Start",
 225         "Pause",
 226         "Any"
 227 };
 228
 229 static char *nas_reasons[] = {
 230         "User",
 231         "Underrun",
 232         "Overrun",
 233         "EOF",
 234         "Watermark",
 235         "Hardware",
 236         "Any"
 237 };
 238
 239 static char* nas_reason(unsigned int reason)
 240 {
 241         if (reason > 6) reason = 6;
 242         return nas_reasons[reason];
 243 }
 244
 245 static char* nas_elementnotify_kind(unsigned int kind)
 246 {
 247         if (kind > 2) kind = 3;
 248         return nas_elementnotify_kinds[kind];
 249 }
 250
 251
 252 #if 0
 253 static const char* nas_event_type(unsigned int type)
 254 {
 255         static const char * const nas_event_types[] =
 256         {
 257             "Undefined",
 258             "Undefined",
 259             "ElementNotify",
 260             "GrabNotify",
 261             "MonitorNotify",
 262             "BucketNotify",
 263             "DeviceNotify"
 264         };
 265
 266         if (type > 6) type = 0;
 267         return nas_event_types[type];
 268 }
 269 #endif
 270
 271
 272 static char* nas_state(unsigned int state)
 273 {
 274         if (state > 3) state = 3;
 275         return nas_states[state];
 276 }
 277
 278 /*======================================================================*
 279  *                  Low level WAVE implementation                       *
 280  *======================================================================*/
 281
 282 /* Volume functions derived from Alsaplayer source */
 283 /* length is the number of 16 bit samples */
 284 void volume_effect16(void *bufin, void* bufout, int length, int left,
 285                 int right, int  nChannels)
 286 {
 287   short *d_out = (short *)bufout;
 288   short *d_in = (short *)bufin;
 289   int i, v;
 290
 291 /*
 292   TRACE("length == %d, nChannels == %d\n", length, nChannels);
 293 */
 294
 295   if (right == -1) right = left;
 296
 297   for(i = 0; i < length; i+=(nChannels))
 298   {
 299     v = (int) ((*(d_in++) * left) / 100);
 300     *(d_out++) = (v>32767) ? 32767 : ((v<-32768) ? -32768 : v);
 301     if(nChannels == 2)
 302     {
 303       v = (int) ((*(d_in++) * right) / 100);
 304       *(d_out++) = (v>32767) ? 32767 : ((v<-32768) ? -32768 : v);
 305     }
 306   }
 307 }
 308
 309 /* length is the number of 8 bit samples */
 310 void volume_effect8(void *bufin, void* bufout, int length, int left,
 311                 int right, int  nChannels)
 312 {
 313   char *d_out = (char *)bufout;
 314   char *d_in = (char *)bufin;
 315   int i, v;
 316
 317 /*
 318   TRACE("length == %d, nChannels == %d\n", length, nChannels);
 319 */
 320
 321   if (right == -1) right = left;
 322
 323   for(i = 0; i < length; i+=(nChannels))
 324   {
 325     v = (char) ((*(d_in++) * left) / 100);
 326     *(d_out++) = (v>255) ? 255 : ((v<0) ? 0 : v);
 327     if(nChannels == 2)
 328     {
 329       v = (char) ((*(d_in++) * right) / 100);
 330       *(d_out++) = (v>255) ? 255 : ((v<0) ? 0 : v);
 331     }
 332   }
 333 }
 334
 335 /******************************************************************
 336  *              NAS_CloseDevice
 337  *
 338  */
 339 void            NAS_CloseDevice(WINE_WAVEOUT* wwo)
 340 {
 341   TRACE("NAS_CloseDevice\n");
 342   nas_close(wwo);
 343 }
 344
 345 /******************************************************************
 346  *              NAS_WaveClose
 347  */
 348 LONG            NAS_WaveClose(void)
 349 {
 350     nas_end();    /* free up nas server */
 351     return 1;
 352 }
 353
 354 /******************************************************************
 355  *              NAS_WaveInit
 356  *
 357  * Initialize internal structures from NAS server info
 358  */
 359 LONG NAS_WaveInit(void)
 360 {
 361     int         i;
 362     nas_init();
 363
 364     /* initialize all device handles to -1 */
 365     for (i = 0; i < MAX_WAVEOUTDRV; ++i)
 366     {
 367         memset(&WOutDev[i].caps, 0, sizeof(WOutDev[i].caps)); /* zero out caps values */
 368
 369         WOutDev[i].AuServ = AuServ;
 370         WOutDev[i].AuDev = AuNone;
 371         WOutDev[i].Id = i;
 372     /* FIXME: some programs compare this string against the content of the registry
 373      * for MM drivers. The names have to match in order for the program to work
 374      * (e.g. MS win9x mplayer.exe)
 375      */
 376 #ifdef EMULATE_SB16
 377         WOutDev[i].caps.wMid = 0x0002;
 378         WOutDev[i].caps.wPid = 0x0104;
 379         strcpy(WOutDev[i].caps.szPname, "SB16 Wave Out");
 380 #else
 381         WOutDev[i].caps.wMid = 0x00FF;  /* Manufac ID */
 382         WOutDev[i].caps.wPid = 0x0001;  /* Product ID */
 383     /*    strcpy(WOutDev[i].caps.szPname, "OpenSoundSystem WAVOUT Driver");*/
 384         strcpy(WOutDev[i].caps.szPname, "CS4236/37/38");
 385 #endif
 386         WOutDev[i].AuFlow = 0;
 387         WOutDev[i].caps.vDriverVersion = 0x0100;
 388         WOutDev[i].caps.dwFormats = 0x00000000;
 389         WOutDev[i].caps.dwSupport = WAVECAPS_VOLUME;
 390
 391         WOutDev[i].caps.wChannels = 2;
 392         WOutDev[i].caps.dwSupport |= WAVECAPS_LRVOLUME;
 393
 394         WOutDev[i].caps.dwFormats |= WAVE_FORMAT_4M08;
 395         WOutDev[i].caps.dwFormats |= WAVE_FORMAT_4S08;
 396         WOutDev[i].caps.dwFormats |= WAVE_FORMAT_4S16;
 397         WOutDev[i].caps.dwFormats |= WAVE_FORMAT_4M16;
 398         WOutDev[i].caps.dwFormats |= WAVE_FORMAT_2M08;
 399         WOutDev[i].caps.dwFormats |= WAVE_FORMAT_2S08;
 400         WOutDev[i].caps.dwFormats |= WAVE_FORMAT_2M16;
 401         WOutDev[i].caps.dwFormats |= WAVE_FORMAT_2S16;
 402         WOutDev[i].caps.dwFormats |= WAVE_FORMAT_1M08;
 403         WOutDev[i].caps.dwFormats |= WAVE_FORMAT_1S08;
 404         WOutDev[i].caps.dwFormats |= WAVE_FORMAT_1M16;
 405         WOutDev[i].caps.dwFormats |= WAVE_FORMAT_1S16;
 406     }
 407
 408
 409     return 0;
 410 }
 411
 412 /******************************************************************
 413  *              NAS_InitRingMessage
 414  *
 415  * Initialize the ring of messages for passing between driver's caller and playback/record
 416  * thread
 417  */
 418 static int NAS_InitRingMessage(MSG_RING* mr)
 419 {
 420     mr->msg_toget = 0;
 421     mr->msg_tosave = 0;
 422     mr->msg_event = CreateEventA(NULL, FALSE, FALSE, NULL);
 423     memset(mr->messages, 0, sizeof(RING_MSG) * NAS_RING_BUFFER_SIZE);
 424     InitializeCriticalSection(&mr->msg_crst);
 425     return 0;
 426 }
 427
 428 /******************************************************************
 429  *              NAS_DestroyRingMessage
 430  *
 431  */
 432 static int NAS_DestroyRingMessage(MSG_RING* mr)
 433 {
 434     CloseHandle(mr->msg_event);
 435     DeleteCriticalSection(&mr->msg_crst);
 436     return 0;
 437 }
 438
 439 /******************************************************************
 440  *              NAS_AddRingMessage
 441  *
 442  * Inserts a new message into the ring (should be called from DriverProc derivated routines)
 443  */
 444 static int NAS_AddRingMessage(MSG_RING* mr, enum win_wm_message msg, DWORD param, BOOL wait)
 445 {
 446     HANDLE      hEvent = INVALID_HANDLE_VALUE;
 447
 448     EnterCriticalSection(&mr->msg_crst);
 449     if ((mr->msg_toget == ((mr->msg_tosave + 1) % NAS_RING_BUFFER_SIZE))) /* buffer overflow? */
 450     {
 451         ERR("buffer overflow !?\n");
 452         LeaveCriticalSection(&mr->msg_crst);
 453         return 0;
 454     }
 455     if (wait)
 456     {
 457         hEvent = CreateEventA(NULL, FALSE, FALSE, NULL);
 458         if (hEvent == INVALID_HANDLE_VALUE)
 459         {
 460             ERR("can't create event !?\n");
 461             LeaveCriticalSection(&mr->msg_crst);
 462             return 0;
 463         }
 464         if (mr->msg_toget != mr->msg_tosave && mr->messages[mr->msg_toget].msg != WINE_WM_HEADER)
 465             FIXME("two fast messages in the queue!!!!\n");
 466
 467         /* fast messages have to be added at the start of the queue */
 468         mr->msg_toget = (mr->msg_toget + NAS_RING_BUFFER_SIZE - 1) % NAS_RING_BUFFER_SIZE;
 469
 470         mr->messages[mr->msg_toget].msg = msg;
 471         mr->messages[mr->msg_toget].param = param;
 472         mr->messages[mr->msg_toget].hEvent = hEvent;
 473     }
 474     else
 475     {
 476         mr->messages[mr->msg_tosave].msg = msg;
 477         mr->messages[mr->msg_tosave].param = param;
 478         mr->messages[mr->msg_tosave].hEvent = INVALID_HANDLE_VALUE;
 479         mr->msg_tosave = (mr->msg_tosave + 1) % NAS_RING_BUFFER_SIZE;
 480     }
 481
 482     LeaveCriticalSection(&mr->msg_crst);
 483
 484     SetEvent(mr->msg_event);    /* signal a new message */
 485
 486     if (wait)
 487     {
 488         /* wait for playback/record thread to have processed the message */
 489         WaitForSingleObject(hEvent, INFINITE);
 490         CloseHandle(hEvent);
 491     }
 492
 493     return 1;
 494 }
 495
 496 /******************************************************************
 497  *              NAS_RetrieveRingMessage
 498  *
 499  * Get a message from the ring. Should be called by the playback/record thread.
 500  */
 501 static int NAS_RetrieveRingMessage(MSG_RING* mr,
 502                                    enum win_wm_message *msg, DWORD *param, HANDLE *hEvent)
 503 {
 504     EnterCriticalSection(&mr->msg_crst);
 505
 506     if (mr->msg_toget == mr->msg_tosave) /* buffer empty ? */
 507     {
 508         LeaveCriticalSection(&mr->msg_crst);
 509         return 0;
 510     }
 511
 512     *msg = mr->messages[mr->msg_toget].msg;
 513     mr->messages[mr->msg_toget].msg = 0;
 514     *param = mr->messages[mr->msg_toget].param;
 515     *hEvent = mr->messages[mr->msg_toget].hEvent;
 516     mr->msg_toget = (mr->msg_toget + 1) % NAS_RING_BUFFER_SIZE;
 517     LeaveCriticalSection(&mr->msg_crst);
 518     return 1;
 519 }
 520
 521 /*======================================================================*
 522  *                  Low level WAVE OUT implementation                   *
 523  *======================================================================*/
 524
 525 /**************************************************************************
 526  *                      wodNotifyClient                 [internal]
 527  */
 528 static DWORD wodNotifyClient(WINE_WAVEOUT* wwo, WORD wMsg, DWORD dwParam1, DWORD dwParam2)
 529 {
 530     TRACE("wMsg = 0x%04x dwParm1 = %04lX dwParam2 = %04lX\n", wMsg, dwParam1, dwParam2);
 531
 532     switch (wMsg) {
 533     case WOM_OPEN:
 534     case WOM_CLOSE:
 535     case WOM_DONE:
 536         if (wwo->wFlags != DCB_NULL &&
 537             !DriverCallback(wwo->waveDesc.dwCallback, wwo->wFlags, wwo->waveDesc.hWave,
 538                             wMsg, wwo->waveDesc.dwInstance, dwParam1, dwParam2)) {
 539             WARN("can't notify client !\n");
 540             return MMSYSERR_ERROR;
 541         }
 542         break;
 543     default:
 544         FIXME("Unknown callback message %u\n", wMsg);
 545         return MMSYSERR_INVALPARAM;
 546     }
 547     return MMSYSERR_NOERROR;
 548 }
 549
 550 /**************************************************************************
 551  *                              wodUpdatePlayedTotal    [internal]
 552  *
 553  */
 554 static BOOL wodUpdatePlayedTotal(WINE_WAVEOUT* wwo)
 555 {
 556     wwo->PlayedTotal = wwo->WrittenTotal;
 557     return TRUE;
 558 }
 559
 560 /**************************************************************************
 561  *                              wodPlayer_BeginWaveHdr          [internal]
 562  *
 563  * Makes the specified lpWaveHdr the currently playing wave header.
 564  * If the specified wave header is a begin loop and we're not already in
 565  * a loop, setup the loop.
 566  */
 567 static void wodPlayer_BeginWaveHdr(WINE_WAVEOUT* wwo, LPWAVEHDR lpWaveHdr)
 568 {
 569     wwo->lpPlayPtr = lpWaveHdr;
 570
 571     if (!lpWaveHdr) return;
 572
 573     if (lpWaveHdr->dwFlags & WHDR_BEGINLOOP) {
 574         if (wwo->lpLoopPtr) {
 575             WARN("Already in a loop. Discarding loop on this header (%p)\n", lpWaveHdr);
 576             TRACE("Already in a loop. Discarding loop on this header (%p)\n", lpWaveHdr);
 577         } else {
 578             TRACE("Starting loop (%ldx) with %p\n", lpWaveHdr->dwLoops, lpWaveHdr);
 579             wwo->lpLoopPtr = lpWaveHdr;
 580             /* Windows does not touch WAVEHDR.dwLoops,
 581              * so we need to make an internal copy */
 582             wwo->dwLoops = lpWaveHdr->dwLoops;
 583         }
 584     }
 585 }
 586
 587 /**************************************************************************
 588  *                              wodPlayer_PlayPtrNext           [internal]
 589  *
 590  * Advance the play pointer to the next waveheader, looping if required.
 591  */
 592 static LPWAVEHDR wodPlayer_PlayPtrNext(WINE_WAVEOUT* wwo)
 593 {
 594     LPWAVEHDR lpWaveHdr = wwo->lpPlayPtr;
 595
 596     if ((lpWaveHdr->dwFlags & WHDR_ENDLOOP) && wwo->lpLoopPtr) {
 597         /* We're at the end of a loop, loop if required */
 598         if (--wwo->dwLoops > 0) {
 599             wwo->lpPlayPtr = wwo->lpLoopPtr;
 600         } else {
 601             /* Handle overlapping loops correctly */
 602             if (wwo->lpLoopPtr != lpWaveHdr && (lpWaveHdr->dwFlags & WHDR_BEGINLOOP)) {
 603                 FIXME("Correctly handled case ? (ending loop buffer also starts a new loop)\n");
 604                 /* shall we consider the END flag for the closing loop or for
 605                  * the opening one or for both ???
 606                  * code assumes for closing loop only
 607                  */
 608             } else {
 609                 lpWaveHdr = lpWaveHdr->lpNext;
 610             }
 611             wwo->lpLoopPtr = NULL;
 612             wodPlayer_BeginWaveHdr(wwo, lpWaveHdr);
 613         }
 614     } else {
 615         /* We're not in a loop.  Advance to the next wave header */
 616         wodPlayer_BeginWaveHdr(wwo, lpWaveHdr = lpWaveHdr->lpNext);
 617     }
 618     return lpWaveHdr;
 619 }
 620
 621 /**************************************************************************
 622  *                              wodPlayer_NotifyCompletions     [internal]
 623  *
 624  * Notifies and remove from queue all wavehdrs which have been played to
 625  * the speaker (ie. they have cleared the audio device).  If force is true,
 626  * we notify all wavehdrs and remove them all from the queue even if they
 627  * are unplayed or part of a loop.
 628  */
 629 static DWORD wodPlayer_NotifyCompletions(WINE_WAVEOUT* wwo, BOOL force)
 630 {
 631     LPWAVEHDR           lpWaveHdr;
 632
 633     /* Start from lpQueuePtr and keep notifying until:
 634      * - we hit an unwritten wavehdr
 635      * - we hit the beginning of a running loop
 636      * - we hit a wavehdr which hasn't finished playing
 637      */
 638     wodUpdatePlayedTotal(wwo);
 639
 640     while ((lpWaveHdr = wwo->lpQueuePtr) && (force || (lpWaveHdr != wwo->lpPlayPtr &&
 641             lpWaveHdr != wwo->lpLoopPtr && lpWaveHdr->reserved <= wwo->PlayedTotal))) {
 642
 643         wwo->lpQueuePtr = lpWaveHdr->lpNext;
 644
 645         lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
 646         lpWaveHdr->dwFlags |= WHDR_DONE;
 647
 648         wodNotifyClient(wwo, WOM_DONE, (DWORD)lpWaveHdr, 0);
 649     }
 650     return  (lpWaveHdr && lpWaveHdr != wwo->lpPlayPtr && lpWaveHdr != wwo->lpLoopPtr) ?
 651             1 : 1;
 652 }
 653
 654 /**************************************************************************
 655  *                              wodPlayer_Reset                 [internal]
 656  *
 657  * wodPlayer helper. Resets current output stream.
 658  */
 659 static  void    wodPlayer_Reset(WINE_WAVEOUT* wwo, BOOL reset)
 660 {
 661     wodUpdatePlayedTotal(wwo);
 662     wodPlayer_NotifyCompletions(wwo, FALSE); /* updates current notify list */
 663
 664     /* we aren't able to flush any data that has already been written */
 665     /* to nas, otherwise we would do the flushing here */
 666
 667     nas_free(wwo);
 668
 669     if (reset) {
 670         enum win_wm_message     msg;
 671         DWORD                   param;
 672         HANDLE                  ev;
 673
 674         /* remove any buffer */
 675         wodPlayer_NotifyCompletions(wwo, TRUE);
 676
 677         wwo->lpPlayPtr = wwo->lpQueuePtr = wwo->lpLoopPtr = NULL;
 678         wwo->state = WINE_WS_STOPPED;
 679         wwo->PlayedTotal = wwo->WrittenTotal = 0;
 680
 681         /* remove any existing message in the ring */
 682         EnterCriticalSection(&wwo->msgRing.msg_crst);
 683
 684         /* return all pending headers in queue */
 685         while (NAS_RetrieveRingMessage(&wwo->msgRing, &msg, &param, &ev))
 686         {
 687             TRACE("flushing msg\n");
 688             if (msg != WINE_WM_HEADER)
 689             {
 690                 FIXME("shouldn't have headers left\n");
 691                 SetEvent(ev);
 692                 continue;
 693             }
 694             ((LPWAVEHDR)param)->dwFlags &= ~WHDR_INQUEUE;
 695             ((LPWAVEHDR)param)->dwFlags |= WHDR_DONE;
 696
 697             wodNotifyClient(wwo, WOM_DONE, param, 0);
 698         }
 699         ResetEvent(wwo->msgRing.msg_event);
 700         LeaveCriticalSection(&wwo->msgRing.msg_crst);
 701     } else {
 702         if (wwo->lpLoopPtr) {
 703             /* complicated case, not handled yet (could imply modifying the loop counter */
 704             FIXME("Pausing while in loop isn't correctly handled yet, except strange results\n");
 705             wwo->lpPlayPtr = wwo->lpLoopPtr;
 706             wwo->WrittenTotal = wwo->PlayedTotal; /* this is wrong !!! */
 707         } else {
 708             /* the data already written is going to be played, so take */
 709             /* this fact into account here */
 710             wwo->PlayedTotal = wwo->WrittenTotal;
 711         }
 712         wwo->state = WINE_WS_PAUSED;
 713     }
 714 }
 715
 716 /**************************************************************************
 717  *                    wodPlayer_ProcessMessages                 [internal]
 718  */
 719 static void wodPlayer_ProcessMessages(WINE_WAVEOUT* wwo)
 720 {
 721     LPWAVEHDR           lpWaveHdr;
 722     enum win_wm_message msg;
 723     DWORD               param;
 724     HANDLE              ev;
 725
 726     while (NAS_RetrieveRingMessage(&wwo->msgRing, &msg, &param, &ev)) {
 727         TRACE("Received %s %lx\n", wodPlayerCmdString[msg - WM_USER - 1], param);
 728         switch (msg) {
 729         case WINE_WM_PAUSING:
 730             wodPlayer_Reset(wwo, FALSE);
 731             SetEvent(ev);
 732             break;
 733         case WINE_WM_RESTARTING:
 734             wwo->state = WINE_WS_PLAYING;
 735             SetEvent(ev);
 736             break;
 737         case WINE_WM_HEADER:
 738             lpWaveHdr = (LPWAVEHDR)param;
 739
 740             /* insert buffer at the end of queue */
 741             {
 742                 LPWAVEHDR*      wh;
 743                 for (wh = &(wwo->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
 744                 *wh = lpWaveHdr;
 745             }
 746             if (!wwo->lpPlayPtr)
 747                 wodPlayer_BeginWaveHdr(wwo,lpWaveHdr);
 748             if (wwo->state == WINE_WS_STOPPED)
 749                 wwo->state = WINE_WS_PLAYING;
 750             break;
 751         case WINE_WM_RESETTING:
 752             wodPlayer_Reset(wwo, TRUE);
 753             SetEvent(ev);
 754             break;
 755         case WINE_WM_UPDATE:
 756             wodUpdatePlayedTotal(wwo);
 757             SetEvent(ev);
 758             break;
 759         case WINE_WM_BREAKLOOP:
 760             if (wwo->state == WINE_WS_PLAYING && wwo->lpLoopPtr != NULL) {
 761                 /* ensure exit at end of current loop */
 762                 wwo->dwLoops = 1;
 763             }
 764             SetEvent(ev);
 765             break;
 766         case WINE_WM_CLOSING:
 767             /* sanity check: this should not happen since the device must have been reset before */
 768             if (wwo->lpQueuePtr || wwo->lpPlayPtr) ERR("out of sync\n");
 769             wwo->hThread = 0;
 770             wwo->state = WINE_WS_CLOSED;
 771             SetEvent(ev);
 772             ExitThread(0);
 773             /* shouldn't go here */
 774         default:
 775             FIXME("unknown message %d\n", msg);
 776             break;
 777         }
 778     }
 779 }
 780
 781 /**************************************************************************
 782  *                              wodPlayer                       [internal]
 783  */
 784 static  DWORD   CALLBACK        wodPlayer(LPVOID pmt)
 785 {
 786     WORD          uDevID = (DWORD)pmt;
 787     WINE_WAVEOUT* wwo = (WINE_WAVEOUT*)&WOutDev[uDevID];
 788
 789     wwo->state = WINE_WS_STOPPED;
 790     SetEvent(wwo->hStartUpEvent);
 791
 792     for (;;) {
 793
 794         if (wwo->FlowStarted) {
 795            AuHandleEvents(wwo->AuServ);
 796
 797            if (wwo->state == WINE_WS_PLAYING && wwo->freeBytes && wwo->BufferUsed)
 798               nas_send_buffer(wwo);
 799         }
 800
 801         if (wwo->BufferUsed <= FRAG_SIZE && wwo->writeBytes > 0)
 802            wodPlayer_NotifyCompletions(wwo, FALSE);
 803
 804         WaitForSingleObject(wwo->msgRing.msg_event, 20);
 805         wodPlayer_ProcessMessages(wwo);
 806
 807         while(wwo->lpPlayPtr) {
 808            wwo->lpPlayPtr->reserved = wwo->WrittenTotal + wwo->lpPlayPtr->dwBufferLength;
 809            nas_add_buffer(wwo);
 810            wodPlayer_PlayPtrNext(wwo);
 811         }
 812
 813     }
 814 }
 815
 816 /**************************************************************************
 817  *                      wodGetDevCaps                           [internal]
 818  */
 819 static DWORD wodGetDevCaps(WORD wDevID, LPWAVEOUTCAPSA lpCaps, DWORD dwSize)
 820 {
 821     TRACE("(%u, %p, %lu);\n", wDevID, lpCaps, dwSize);
 822
 823     if (lpCaps == NULL) return MMSYSERR_NOTENABLED;
 824
 825     if (wDevID >= MAX_WAVEOUTDRV) {
 826         TRACE("MAX_WAVOUTDRV reached !\n");
 827         return MMSYSERR_BADDEVICEID;
 828     }
 829
 830     memcpy(lpCaps, &WOutDev[wDevID].caps, min(dwSize, sizeof(*lpCaps)));
 831     return MMSYSERR_NOERROR;
 832 }
 833
 834 /**************************************************************************
 835  *                              wodOpen                         [internal]
 836  */
 837 static DWORD wodOpen(WORD wDevID, LPWAVEOPENDESC lpDesc, DWORD dwFlags)
 838 {
 839     WINE_WAVEOUT*       wwo;
 840
 841     TRACE("wodOpen (%u, %p, %08lX);\n", wDevID, lpDesc, dwFlags);
 842
 843     if (lpDesc == NULL) {
 844         WARN("Invalid Parameter !\n");
 845         return MMSYSERR_INVALPARAM;
 846     }
 847     if (wDevID >= MAX_WAVEOUTDRV) {
 848         TRACE("MAX_WAVOUTDRV reached !\n");
 849         return MMSYSERR_BADDEVICEID;
 850     }
 851
 852     /* if this device is already open tell the app that it is allocated */
 853
 854     wwo = &WOutDev[wDevID];
 855
 856     if(wwo->open)
 857     {
 858       TRACE("device already allocated\n");
 859       return MMSYSERR_ALLOCATED;
 860     }
 861
 862
 863     /* only PCM format is supported so far... */
 864     if (lpDesc->lpFormat->wFormatTag != WAVE_FORMAT_PCM ||
 865         lpDesc->lpFormat->nChannels == 0 ||
 866         lpDesc->lpFormat->nSamplesPerSec == 0) {
 867         WARN("Bad format: tag=%04X nChannels=%d nSamplesPerSec=%ld !\n",
 868              lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
 869              lpDesc->lpFormat->nSamplesPerSec);
 870         return WAVERR_BADFORMAT;
 871     }
 872
 873     if (dwFlags & WAVE_FORMAT_QUERY) {
 874         TRACE("Query format: tag=%04X nChannels=%d nSamplesPerSec=%ld !\n",
 875              lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
 876              lpDesc->lpFormat->nSamplesPerSec);
 877         return MMSYSERR_NOERROR;
 878     }
 879
 880     /* direct sound not supported, ignore the flag */
 881     dwFlags &= ~WAVE_DIRECTSOUND;
 882
 883     wwo->wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
 884
 885     memcpy(&wwo->waveDesc, lpDesc,           sizeof(WAVEOPENDESC));
 886     memcpy(&wwo->format,   lpDesc->lpFormat, sizeof(PCMWAVEFORMAT));
 887
 888     if (wwo->format.wBitsPerSample == 0) {
 889         WARN("Resetting zeroed wBitsPerSample\n");
 890         wwo->format.wBitsPerSample = 8 *
 891             (wwo->format.wf.nAvgBytesPerSec /
 892              wwo->format.wf.nSamplesPerSec) /
 893             wwo->format.wf.nChannels;
 894     }
 895
 896     if (!nas_open(wwo))
 897        return MMSYSERR_ALLOCATED;
 898
 899     NAS_InitRingMessage(&wwo->msgRing);
 900
 901     /* create player thread */
 902     if (!(dwFlags & WAVE_DIRECTSOUND)) {
 903         wwo->hStartUpEvent = CreateEventA(NULL, FALSE, FALSE, NULL);
 904         wwo->hThread = CreateThread(NULL, 0, wodPlayer, (LPVOID)(DWORD)wDevID, 0, &(wwo->dwThreadID));
 905         WaitForSingleObject(wwo->hStartUpEvent, INFINITE);
 906         CloseHandle(wwo->hStartUpEvent);
 907     } else {
 908         wwo->hThread = INVALID_HANDLE_VALUE;
 909         wwo->dwThreadID = 0;
 910     }
 911     wwo->hStartUpEvent = INVALID_HANDLE_VALUE;
 912
 913     TRACE("stream=0x%lx, BufferSize=%ld\n", (long)wwo->AuServ, wwo->BufferSize);
 914
 915     TRACE("wBitsPerSample=%u nAvgBytesPerSec=%lu nSamplesPerSec=%lu nChannels=%u nBlockAlign=%u\n",
 916           wwo->format.wBitsPerSample, wwo->format.wf.nAvgBytesPerSec,
 917           wwo->format.wf.nSamplesPerSec, wwo->format.wf.nChannels,
 918           wwo->format.wf.nBlockAlign);
 919
 920     return wodNotifyClient(wwo, WOM_OPEN, 0L, 0L);
 921 }
 922
 923 /**************************************************************************
 924  *                              wodClose                        [internal]
 925  */
 926 static DWORD wodClose(WORD wDevID)
 927 {
 928     DWORD               ret = MMSYSERR_NOERROR;
 929     WINE_WAVEOUT*       wwo;
 930
 931     TRACE("(%u);\n", wDevID);
 932
 933     if (wDevID >= MAX_WAVEOUTDRV || AuServ  == NULL)
 934     {
 935         WARN("bad device ID !\n");
 936         return MMSYSERR_BADDEVICEID;
 937     }
 938
 939     wwo = &WOutDev[wDevID];
 940     if (wwo->lpQueuePtr) {
 941         WARN("buffers still playing !\n");
 942         ret = WAVERR_STILLPLAYING;
 943     } else {
 944         TRACE("imhere[3-close]\n");
 945         if (wwo->hThread != INVALID_HANDLE_VALUE) {
 946             NAS_AddRingMessage(&wwo->msgRing, WINE_WM_CLOSING, 0, TRUE);
 947         }
 948
 949         NAS_DestroyRingMessage(&wwo->msgRing);
 950
 951         NAS_CloseDevice(wwo);   /* close the stream and clean things up */
 952
 953         ret = wodNotifyClient(wwo, WOM_CLOSE, 0L, 0L);
 954     }
 955     return ret;
 956 }
 957
 958 /**************************************************************************
 959  *                              wodWrite                        [internal]
 960  *
 961  */
 962 static DWORD wodWrite(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
 963 {
 964     TRACE("(%u, %p, %08lX);\n", wDevID, lpWaveHdr, dwSize);
 965
 966     /* first, do the sanity checks... */
 967     if (wDevID >= MAX_WAVEOUTDRV || AuServ == NULL)
 968     {
 969         WARN("bad dev ID !\n");
 970         return MMSYSERR_BADDEVICEID;
 971     }
 972
 973     if (lpWaveHdr->lpData == NULL || !(lpWaveHdr->dwFlags & WHDR_PREPARED))
 974     {
 975         TRACE("unprepared\n");
 976         return WAVERR_UNPREPARED;
 977     }
 978
 979     if (lpWaveHdr->dwFlags & WHDR_INQUEUE)
 980     {
 981         TRACE("still playing\n");
 982         return WAVERR_STILLPLAYING;
 983     }
 984
 985     lpWaveHdr->dwFlags &= ~WHDR_DONE;
 986     lpWaveHdr->dwFlags |= WHDR_INQUEUE;
 987     lpWaveHdr->lpNext = 0;
 988
 989     TRACE("adding ring message\n");
 990     NAS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_HEADER, (DWORD)lpWaveHdr, FALSE);
 991
 992     return MMSYSERR_NOERROR;
 993 }
 994
 995 /**************************************************************************
 996  *                              wodPrepare                      [internal]
 997  */
 998 static DWORD wodPrepare(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
 999 {
1000     TRACE("(%u, %p, %08lX);\n", wDevID, lpWaveHdr, dwSize);
1001
1002     if (wDevID >= MAX_WAVEOUTDRV) {
1003         WARN("bad device ID !\n");
1004         return MMSYSERR_BADDEVICEID;
1005     }
1006
1007     if (lpWaveHdr->dwFlags & WHDR_INQUEUE)
1008         return WAVERR_STILLPLAYING;
1009
1010     lpWaveHdr->dwFlags |= WHDR_PREPARED;
1011     lpWaveHdr->dwFlags &= ~WHDR_DONE;
1012     return MMSYSERR_NOERROR;
1013 }
1014
1015 /**************************************************************************
1016  *                              wodUnprepare                    [internal]
1017  */
1018 static DWORD wodUnprepare(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
1019 {
1020     TRACE("(%u, %p, %08lX);\n", wDevID, lpWaveHdr, dwSize);
1021
1022     if (wDevID >= MAX_WAVEOUTDRV) {
1023         WARN("bad device ID !\n");
1024         return MMSYSERR_BADDEVICEID;
1025     }
1026
1027     if (lpWaveHdr->dwFlags & WHDR_INQUEUE)
1028         return WAVERR_STILLPLAYING;
1029
1030     lpWaveHdr->dwFlags &= ~WHDR_PREPARED;
1031     lpWaveHdr->dwFlags |= WHDR_DONE;
1032
1033     return MMSYSERR_NOERROR;
1034 }
1035
1036 /**************************************************************************
1037  *                      wodPause                                [internal]
1038  */
1039 static DWORD wodPause(WORD wDevID)
1040 {
1041     TRACE("(%u);!\n", wDevID);
1042
1043     if (wDevID >= MAX_WAVEOUTDRV || AuServ == NULL)
1044     {
1045         WARN("bad device ID !\n");
1046         return MMSYSERR_BADDEVICEID;
1047     }
1048
1049     TRACE("imhere[3-PAUSING]\n");
1050     NAS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_PAUSING, 0, TRUE);
1051
1052     return MMSYSERR_NOERROR;
1053 }
1054
1055 /**************************************************************************
1056  *                      wodRestart                              [internal]
1057  */
1058 static DWORD wodRestart(WORD wDevID)
1059 {
1060     TRACE("(%u);\n", wDevID);
1061
1062     if (wDevID >= MAX_WAVEOUTDRV || AuServ == NULL)
1063     {
1064         WARN("bad device ID !\n");
1065         return MMSYSERR_BADDEVICEID;
1066     }
1067
1068     if (WOutDev[wDevID].state == WINE_WS_PAUSED) {
1069         TRACE("imhere[3-RESTARTING]\n");
1070         NAS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_RESTARTING, 0, TRUE);
1071     }
1072
1073     /* FIXME: is NotifyClient with WOM_DONE right ? (Comet Busters 1.3.3 needs this notification) */
1074     /* FIXME: Myst crashes with this ... hmm -MM
1075        return wodNotifyClient(wwo, WOM_DONE, 0L, 0L);
1076     */
1077
1078     return MMSYSERR_NOERROR;
1079 }
1080
1081 /**************************************************************************
1082  *                      wodReset                                [internal]
1083  */
1084 static DWORD wodReset(WORD wDevID)
1085 {
1086     TRACE("(%u);\n", wDevID);
1087
1088     if (wDevID >= MAX_WAVEOUTDRV || AuServ == NULL)
1089     {
1090         WARN("bad device ID !\n");
1091         return MMSYSERR_BADDEVICEID;
1092     }
1093
1094     TRACE("imhere[3-RESET]\n");
1095     NAS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_RESETTING, 0, TRUE);
1096
1097     return MMSYSERR_NOERROR;
1098 }
1099
1100 /**************************************************************************
1101  *                              wodGetPosition                  [internal]
1102  */
1103 static DWORD wodGetPosition(WORD wDevID, LPMMTIME lpTime, DWORD uSize)
1104 {
1105     int                 time;
1106     DWORD               val;
1107     WINE_WAVEOUT*       wwo;
1108
1109     TRACE("%u, %p, %lu);\n", wDevID, lpTime, uSize);
1110
1111     if (wDevID >= MAX_WAVEOUTDRV || AuServ == NULL)
1112     {
1113         WARN("bad device ID !\n");
1114         return MMSYSERR_BADDEVICEID;
1115     }
1116
1117     if (lpTime == NULL) return MMSYSERR_INVALPARAM;
1118
1119     wwo = &WOutDev[wDevID];
1120 #if 0
1121     NAS_AddRingMessage(&wwo->msgRing, WINE_WM_UPDATE, 0, TRUE);
1122 #endif
1123     val = wwo->WrittenTotal;
1124
1125     TRACE("wType=%04X wBitsPerSample=%u nSamplesPerSec=%lu nChannels=%u nAvgBytesPerSec=%lu\n",
1126           lpTime->wType, wwo->format.wBitsPerSample,
1127           wwo->format.wf.nSamplesPerSec, wwo->format.wf.nChannels,
1128           wwo->format.wf.nAvgBytesPerSec);
1129     TRACE("PlayedTotal=%lu\n", val);
1130
1131     switch (lpTime->wType) {
1132     case TIME_BYTES:
1133         lpTime->u.cb = val;
1134         TRACE("TIME_BYTES=%lu\n", lpTime->u.cb);
1135         break;
1136     case TIME_SAMPLES:
1137         lpTime->u.sample = val * 8 / wwo->format.wBitsPerSample / wwo->format.wf.nChannels;
1138         TRACE("TIME_SAMPLES=%lu\n", lpTime->u.sample);
1139         break;
1140     case TIME_SMPTE:
1141         time = val / (wwo->format.wf.nAvgBytesPerSec / 1000);
1142         lpTime->u.smpte.hour = time / 108000;
1143         time -= lpTime->u.smpte.hour * 108000;
1144         lpTime->u.smpte.min = time / 1800;
1145         time -= lpTime->u.smpte.min * 1800;
1146         lpTime->u.smpte.sec = time / 30;
1147         time -= lpTime->u.smpte.sec * 30;
1148         lpTime->u.smpte.frame = time;
1149         lpTime->u.smpte.fps = 30;
1150         TRACE("TIME_SMPTE=%02u:%02u:%02u:%02u\n",
1151               lpTime->u.smpte.hour, lpTime->u.smpte.min,
1152               lpTime->u.smpte.sec, lpTime->u.smpte.frame);
1153         break;
1154     default:
1155         FIXME("Format %d not supported ! use TIME_MS !\n", lpTime->wType);
1156         lpTime->wType = TIME_MS;
1157     case TIME_MS:
1158         lpTime->u.ms = val / (wwo->format.wf.nAvgBytesPerSec / 1000);
1159         TRACE("TIME_MS=%lu\n", lpTime->u.ms);
1160         break;
1161     }
1162     return MMSYSERR_NOERROR;
1163 }
1164
1165 /**************************************************************************
1166  *                              wodBreakLoop                    [internal]
1167  */
1168 static DWORD wodBreakLoop(WORD wDevID)
1169 {
1170     TRACE("(%u);\n", wDevID);
1171
1172     if (wDevID >= MAX_WAVEOUTDRV || AuServ == NULL)
1173     {
1174         WARN("bad device ID !\n");
1175         return MMSYSERR_BADDEVICEID;
1176     }
1177     NAS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_BREAKLOOP, 0, TRUE);
1178     return MMSYSERR_NOERROR;
1179 }
1180
1181 /**************************************************************************
1182  *                              wodGetVolume                    [internal]
1183  */
1184 static DWORD wodGetVolume(WORD wDevID, LPDWORD lpdwVol)
1185 {
1186     DWORD left, right;
1187
1188     left = WOutDev[wDevID].volume_left;
1189     right = WOutDev[wDevID].volume_right;
1190
1191     TRACE("(%u, %p);\n", wDevID, lpdwVol);
1192
1193     *lpdwVol = ((left * 0xFFFFl) / 100) + (((right * 0xFFFFl) / 100) << 16);
1194
1195     return MMSYSERR_NOERROR;
1196 }
1197
1198 /**************************************************************************
1199  *                              wodSetVolume                    [internal]
1200  */
1201 static DWORD wodSetVolume(WORD wDevID, DWORD dwParam)
1202 {
1203     DWORD left, right;
1204
1205     left  = (LOWORD(dwParam) * 100) / 0xFFFFl;
1206     right = (HIWORD(dwParam) * 100) / 0xFFFFl;
1207
1208     TRACE("(%u, %08lX);\n", wDevID, dwParam);
1209
1210     WOutDev[wDevID].volume_left = left;
1211     WOutDev[wDevID].volume_right = right;
1212
1213     return MMSYSERR_NOERROR;
1214 }
1215
1216 /**************************************************************************
1217  *                              wodGetNumDevs                   [internal]
1218  */
1219 static  DWORD   wodGetNumDevs(void)
1220 {
1221     return MAX_WAVEOUTDRV;
1222 }
1223
1224 /**************************************************************************
1225  *                              wodMessage (WINENAS.@)
1226  */
1227 DWORD WINAPI NAS_wodMessage(UINT wDevID, UINT wMsg, DWORD dwUser,
1228                             DWORD dwParam1, DWORD dwParam2)
1229 {
1230     TRACE("(%u, %04X, %08lX, %08lX, %08lX);\n", wDevID, wMsg, dwUser, dwParam1, dwParam2);
1231
1232     switch (wMsg) {
1233     case DRVM_INIT:
1234     case DRVM_EXIT:
1235     case DRVM_ENABLE:
1236     case DRVM_DISABLE:
1237         /* FIXME: Pretend this is supported */
1238         return 0;
1239     case WODM_OPEN:             return wodOpen          (wDevID, (LPWAVEOPENDESC)dwParam1,      dwParam2);
1240     case WODM_CLOSE:            return wodClose         (wDevID);
1241     case WODM_WRITE:            return wodWrite         (wDevID, (LPWAVEHDR)dwParam1,           dwParam2);
1242     case WODM_PAUSE:            return wodPause         (wDevID);
1243     case WODM_GETPOS:           return wodGetPosition   (wDevID, (LPMMTIME)dwParam1,            dwParam2);
1244     case WODM_BREAKLOOP:        return wodBreakLoop     (wDevID);
1245     case WODM_PREPARE:          return wodPrepare       (wDevID, (LPWAVEHDR)dwParam1,           dwParam2);
1246     case WODM_UNPREPARE:        return wodUnprepare     (wDevID, (LPWAVEHDR)dwParam1,           dwParam2);
1247     case WODM_GETDEVCAPS:       return wodGetDevCaps    (wDevID, (LPWAVEOUTCAPSA)dwParam1,      dwParam2);
1248     case WODM_GETNUMDEVS:       return wodGetNumDevs    ();
1249     case WODM_GETPITCH:         return MMSYSERR_NOTSUPPORTED;
1250     case WODM_SETPITCH:         return MMSYSERR_NOTSUPPORTED;
1251     case WODM_GETPLAYBACKRATE:  return MMSYSERR_NOTSUPPORTED;
1252     case WODM_SETPLAYBACKRATE:  return MMSYSERR_NOTSUPPORTED;
1253     case WODM_GETVOLUME:        return wodGetVolume     (wDevID, (LPDWORD)dwParam1);
1254     case WODM_SETVOLUME:        return wodSetVolume     (wDevID, dwParam1);
1255     case WODM_RESTART:          return wodRestart       (wDevID);
1256     case WODM_RESET:            return wodReset         (wDevID);
1257
1258     case DRV_QUERYDSOUNDIFACE:  return wodDsCreate(wDevID, (PIDSDRIVER*)dwParam1);
1259     default:
1260         FIXME("unknown message %d!\n", wMsg);
1261     }
1262     return MMSYSERR_NOTSUPPORTED;
1263 }
1264
1265 /*======================================================================*
1266  *                  Low level DSOUND implementation                     *
1267  *======================================================================*/
1268 static DWORD wodDsCreate(UINT wDevID, PIDSDRIVER* drv)
1269 {
1270     /* we can't perform memory mapping as we don't have a file stream
1271         interface with nas like we do with oss */
1272     MESSAGE("This sound card s driver does not support direct access\n");
1273     MESSAGE("The (slower) DirectSound HEL mode will be used instead.\n");
1274     return MMSYSERR_NOTSUPPORTED;
1275 }
1276
1277 static int nas_init(void) {
1278     TRACE("NAS INIT\n");
1279     if (!(AuServ = AuOpenServer(NULL, 0, NULL, 0, NULL, NULL)))
1280        return 0;
1281
1282     return 1;
1283 }
1284
1285 static int nas_finddev(WINE_WAVEOUT* wwo) {
1286    int i;
1287
1288     for (i = 0; i < AuServerNumDevices(wwo->AuServ); i++) {
1289         if ((AuDeviceKind(AuServerDevice(wwo->AuServ, i)) ==
1290              AuComponentKindPhysicalOutput) &&
1291              AuDeviceNumTracks(AuServerDevice(wwo->AuServ, i)) == wwo->format.wf.nChannels)
1292         {
1293             wwo->AuDev = AuDeviceIdentifier(AuServerDevice(wwo->AuServ, i));
1294             break;
1295         }
1296     }
1297
1298     if (wwo->AuDev == AuNone)
1299        return 0;
1300     return 1;
1301 }
1302
1303 static int nas_open(WINE_WAVEOUT* wwo) {
1304     AuElement elements[3];
1305
1306     if (!wwo->AuServ)
1307        return 0;
1308
1309     if (!nas_finddev(wwo))
1310        return 0;
1311
1312     if (!(wwo->AuFlow = AuCreateFlow(wwo->AuServ, NULL)))
1313        return 0;
1314
1315     wwo->BufferSize = FRAG_SIZE * FRAG_COUNT;
1316
1317     AuMakeElementImportClient(&elements[0], wwo->format.wf.nSamplesPerSec,
1318            wwo->format.wBitsPerSample == 16 ? AuFormatLinearSigned16LSB : AuFormatLinearUnsigned8,
1319            wwo->format.wf.nChannels, AuTrue, wwo->BufferSize, wwo->BufferSize / 2, 0, NULL);
1320
1321     AuMakeElementExportDevice(&elements[1], 0, wwo->AuDev, wwo->format.wf.nSamplesPerSec,
1322                               AuUnlimitedSamples, 0, NULL);
1323
1324     AuSetElements(wwo->AuServ, wwo->AuFlow, AuTrue, 2, elements, NULL);
1325
1326     AuRegisterEventHandler(wwo->AuServ, AuEventHandlerIDMask, 0, wwo->AuFlow,
1327                            event_handler, (AuPointer) wwo);
1328
1329
1330     wwo->PlayedTotal = 0;
1331     wwo->WrittenTotal = 0;
1332     wwo->open = 1;
1333
1334     wwo->BufferUsed = 0;
1335     wwo->writeBytes = 0;
1336     wwo->freeBytes = 0;
1337     wwo->sendBytes = 0;
1338     wwo->SoundBuffer = NULL;
1339     wwo->FlowStarted = 0;
1340
1341     AuStartFlow(wwo->AuServ, wwo->AuFlow, NULL);
1342     AuPauseFlow(wwo->AuServ, wwo->AuFlow, NULL);
1343     wwo->FlowStarted = 1;
1344
1345     return 1;
1346 }
1347
1348 static AuBool
1349 event_handler(AuServer* aud, AuEvent* ev, AuEventHandlerRec* hnd)
1350 {
1351   WINE_WAVEOUT *wwo = (WINE_WAVEOUT *)hnd->data;
1352         switch (ev->type) {
1353
1354         case AuEventTypeElementNotify: {
1355                 AuElementNotifyEvent* event = (AuElementNotifyEvent *)ev;
1356
1357
1358                 switch (event->kind) {
1359                    case AuElementNotifyKindLowWater:
1360                      wwo->freeBytes += event->num_bytes;
1361                      if (wwo->writeBytes > 0)
1362                         wwo->sendBytes += event->num_bytes;
1363                     if (wwo->freeBytes && wwo->BufferUsed)
1364                         nas_send_buffer(wwo);
1365                    break;
1366
1367                    case AuElementNotifyKindState:
1368                      TRACE("ev: kind %s state %s->%s reason %s numbytes %ld freeB %lu\n",
1369                                      nas_elementnotify_kind(event->kind),
1370                                      nas_state(event->prev_state),
1371                                      nas_state(event->cur_state),
1372                                      nas_reason(event->reason),
1373                                      event->num_bytes, wwo->freeBytes);
1374
1375                      if (event->cur_state ==  AuStatePause && event->reason != AuReasonUser) {
1376                         wwo->freeBytes += event->num_bytes;
1377                         if (wwo->writeBytes > 0)
1378                            wwo->sendBytes += event->num_bytes;
1379                         if (wwo->sendBytes > wwo->writeBytes)
1380                            wwo->sendBytes = wwo->writeBytes;
1381                        if (wwo->freeBytes && wwo->BufferUsed)
1382                            nas_send_buffer(wwo);
1383                      }
1384                    break;
1385                 }
1386            }
1387         }
1388         return AuTrue;
1389 }
1390
1391 static void
1392 buffer_resize(WINE_WAVEOUT* wwo, int len)
1393 {
1394         void *newbuf = malloc(wwo->BufferUsed + len);
1395         void *oldbuf = wwo->SoundBuffer;
1396         memcpy(newbuf, oldbuf, wwo->BufferUsed);
1397         wwo->SoundBuffer = newbuf;
1398         if (oldbuf != NULL)
1399            free(oldbuf);
1400 }
1401
1402 static int nas_add_buffer(WINE_WAVEOUT* wwo) {
1403     int len = wwo->lpPlayPtr->dwBufferLength;
1404
1405     buffer_resize(wwo, len);
1406     memcpy(wwo->SoundBuffer + wwo->BufferUsed, wwo->lpPlayPtr->lpData, len);
1407     wwo->BufferUsed += len;
1408     wwo->WrittenTotal += len;
1409     return len;
1410 }
1411
1412 static int nas_send_buffer(WINE_WAVEOUT* wwo) {
1413   int oldb , len;
1414   char *ptr, *newdata;
1415   newdata = NULL;
1416   oldb = len = 0;
1417
1418   if (wwo->freeBytes <= 0)
1419      return 0;
1420
1421   if (wwo->SoundBuffer == NULL || wwo->BufferUsed == 0) {
1422      return 0;
1423   }
1424
1425   if (wwo->BufferUsed <= wwo->freeBytes) {
1426      len = wwo->BufferUsed;
1427      ptr = wwo->SoundBuffer;
1428   } else {
1429      len = wwo->freeBytes;
1430      ptr = malloc(len);
1431      memcpy(ptr,wwo->SoundBuffer,len);
1432      newdata = malloc(wwo->BufferUsed - len);
1433      memcpy(newdata, wwo->SoundBuffer + len, wwo->BufferUsed - len);
1434   }
1435
1436  TRACE("envoye de %d bytes / %lu bytes / freeBytes %lu\n", len, wwo->BufferUsed, wwo->freeBytes);
1437
1438  AuWriteElement(wwo->AuServ, wwo->AuFlow, 0, len, ptr, AuFalse, NULL);
1439
1440  wwo->BufferUsed -= len;
1441  wwo->freeBytes -= len;
1442  wwo->writeBytes += len;
1443
1444  free(ptr);
1445
1446  wwo->SoundBuffer = NULL;
1447
1448  if (newdata != NULL)
1449     wwo->SoundBuffer = newdata;
1450
1451  return len;
1452 }
1453
1454 static int nas_free(WINE_WAVEOUT* wwo)
1455 {
1456
1457   if (!wwo->FlowStarted && wwo->BufferUsed) {
1458      AuStartFlow(wwo->AuServ, wwo->AuFlow, NULL);
1459      wwo->FlowStarted = 1;
1460   }
1461
1462   while (wwo->BufferUsed || wwo->writeBytes != wwo->sendBytes) {
1463     if (wwo->freeBytes)
1464        nas_send_buffer(wwo);
1465     AuHandleEvents(wwo->AuServ);
1466   }
1467
1468   AuFlush(wwo->AuServ);
1469   return TRUE;
1470 }
1471
1472 static int nas_close(WINE_WAVEOUT* wwo)
1473 {
1474   AuEvent ev;
1475
1476   nas_free(wwo);
1477
1478   AuStopFlow(wwo->AuServ, wwo->AuFlow, NULL);
1479   AuDestroyFlow(wwo->AuServ, wwo->AuFlow, NULL);
1480   AuFlush(wwo->AuServ);
1481   AuNextEvent(wwo->AuServ, AuTrue, &ev);
1482   AuDispatchEvent(wwo->AuServ, &ev);
1483
1484   wwo->AuFlow = 0;
1485   wwo->open = 0;
1486   wwo->BufferUsed = 0;
1487   wwo->freeBytes = 0;
1488   wwo->SoundBuffer = NULL;
1489   return 1;
1490 }
1491
1492 static int nas_end(void)
1493 {
1494   AuCloseServer(AuServ);
1495   AuServ = 0;
1496   return 1;
1497 }
1498
1499 #else /* !HAVE_NAS */
1500
1501 /**************************************************************************
1502  *                              wodMessage (WINENAS.@)
1503  */
1504 DWORD WINAPI NAS_wodMessage(WORD wDevID, WORD wMsg, DWORD dwUser, DWORD dwParam1, DWORD dwParam2)
1505 {
1506     FIXME("(%u, %04X, %08lX, %08lX, %08lX):stub\n", wDevID, wMsg, dwUser, dwParam1, dwParam2);
1507     return MMSYSERR_NOTENABLED;
1508 }
1509 #endif