git.oblomov.eu Git - wine/blob - dlls/winenas.drv/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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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 * const 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 const char * const nas_elementnotify_kinds[] = {
 218         "LowWater",
 219         "HighWater",
 220         "State",
 221         "Unknown"
 222 };
 223
 224 static const char * const nas_states[] = {
 225         "Stop",
 226         "Start",
 227         "Pause",
 228         "Any"
 229 };
 230
 231 static const char * const nas_reasons[] = {
 232         "User",
 233         "Underrun",
 234         "Overrun",
 235         "EOF",
 236         "Watermark",
 237         "Hardware",
 238         "Any"
 239 };
 240
 241 static const char* nas_reason(unsigned int reason)
 242 {
 243         if (reason > 6) reason = 6;
 244         return nas_reasons[reason];
 245 }
 246
 247 static const 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 const 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=%u nChannels=%u nAvgBytesPerSec=%u\n",
 284           lpTime->wType, format->wBitsPerSample, format->wf.nSamplesPerSec,
 285           format->wf.nChannels, format->wf.nAvgBytesPerSec);
 286     TRACE("Position in bytes=%u\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=%u\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=%u\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=%u\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     if (!nas_init()) return MMSYSERR_ERROR;
 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     mr->msg_crst.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": MSG_RING.msg_crst");
 465     return 0;
 466 }
 467
 468 /******************************************************************
 469  *              NAS_DestroyRingMessage
 470  *
 471  */
 472 static int NAS_DestroyRingMessage(MSG_RING* mr)
 473 {
 474     CloseHandle(mr->msg_event);
 475     HeapFree(GetProcessHeap(),0,mr->messages);
 476     mr->msg_crst.DebugInfo->Spare[0] = 0;
 477     DeleteCriticalSection(&mr->msg_crst);
 478     return 0;
 479 }
 480
 481 /******************************************************************
 482  *              NAS_AddRingMessage
 483  *
 484  * Inserts a new message into the ring (should be called from DriverProc derivated routines)
 485  */
 486 static int NAS_AddRingMessage(MSG_RING* mr, enum win_wm_message msg, DWORD param, BOOL wait)
 487 {
 488     HANDLE      hEvent = INVALID_HANDLE_VALUE;
 489
 490     EnterCriticalSection(&mr->msg_crst);
 491     if ((mr->msg_toget == ((mr->msg_tosave + 1) % mr->ring_buffer_size)))
 492     {
 493         int old_ring_buffer_size = mr->ring_buffer_size;
 494         mr->ring_buffer_size += NAS_RING_BUFFER_INCREMENT;
 495         TRACE("omr->ring_buffer_size=%d\n",mr->ring_buffer_size);
 496         mr->messages = HeapReAlloc(GetProcessHeap(),0,mr->messages, mr->ring_buffer_size * sizeof(RING_MSG));
 497         /* Now we need to rearrange the ring buffer so that the new
 498            buffers just allocated are in between mr->msg_tosave and
 499            mr->msg_toget.
 500         */
 501         if (mr->msg_tosave < mr->msg_toget)
 502         {
 503             memmove(&(mr->messages[mr->msg_toget + NAS_RING_BUFFER_INCREMENT]),
 504                     &(mr->messages[mr->msg_toget]),
 505                     sizeof(RING_MSG)*(old_ring_buffer_size - mr->msg_toget)
 506                     );
 507             mr->msg_toget += NAS_RING_BUFFER_INCREMENT;
 508         }
 509     }
 510     if (wait)
 511     {
 512         hEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
 513         if (hEvent == INVALID_HANDLE_VALUE)
 514         {
 515             ERR("can't create event !?\n");
 516             LeaveCriticalSection(&mr->msg_crst);
 517             return 0;
 518         }
 519         if (mr->msg_toget != mr->msg_tosave && mr->messages[mr->msg_toget].msg != WINE_WM_HEADER)
 520             FIXME("two fast messages in the queue!!!!\n");
 521
 522         /* fast messages have to be added at the start of the queue */
 523         mr->msg_toget = (mr->msg_toget + mr->ring_buffer_size - 1) % mr->ring_buffer_size;
 524
 525         mr->messages[mr->msg_toget].msg = msg;
 526         mr->messages[mr->msg_toget].param = param;
 527         mr->messages[mr->msg_toget].hEvent = hEvent;
 528     }
 529     else
 530     {
 531         mr->messages[mr->msg_tosave].msg = msg;
 532         mr->messages[mr->msg_tosave].param = param;
 533         mr->messages[mr->msg_tosave].hEvent = INVALID_HANDLE_VALUE;
 534         mr->msg_tosave = (mr->msg_tosave + 1) % mr->ring_buffer_size;
 535     }
 536
 537     LeaveCriticalSection(&mr->msg_crst);
 538
 539     SetEvent(mr->msg_event);    /* signal a new message */
 540
 541     if (wait)
 542     {
 543         /* wait for playback/record thread to have processed the message */
 544         WaitForSingleObject(hEvent, INFINITE);
 545         CloseHandle(hEvent);
 546     }
 547
 548     return 1;
 549 }
 550
 551 /******************************************************************
 552  *              NAS_RetrieveRingMessage
 553  *
 554  * Get a message from the ring. Should be called by the playback/record thread.
 555  */
 556 static int NAS_RetrieveRingMessage(MSG_RING* mr,
 557                                    enum win_wm_message *msg, DWORD *param, HANDLE *hEvent)
 558 {
 559     EnterCriticalSection(&mr->msg_crst);
 560
 561     if (mr->msg_toget == mr->msg_tosave) /* buffer empty ? */
 562     {
 563         LeaveCriticalSection(&mr->msg_crst);
 564         return 0;
 565     }
 566
 567     *msg = mr->messages[mr->msg_toget].msg;
 568     mr->messages[mr->msg_toget].msg = 0;
 569     *param = mr->messages[mr->msg_toget].param;
 570     *hEvent = mr->messages[mr->msg_toget].hEvent;
 571     mr->msg_toget = (mr->msg_toget + 1) % mr->ring_buffer_size;
 572     LeaveCriticalSection(&mr->msg_crst);
 573     return 1;
 574 }
 575
 576 /*======================================================================*
 577  *                  Low level WAVE OUT implementation                   *
 578  *======================================================================*/
 579
 580 /**************************************************************************
 581  *                      wodNotifyClient                 [internal]
 582  */
 583 static DWORD wodNotifyClient(WINE_WAVEOUT* wwo, WORD wMsg, DWORD dwParam1, DWORD dwParam2)
 584 {
 585     TRACE("wMsg = 0x%04x dwParm1 = %04X dwParam2 = %04X\n", wMsg, dwParam1, dwParam2);
 586
 587     switch (wMsg) {
 588     case WOM_OPEN:
 589     case WOM_CLOSE:
 590     case WOM_DONE:
 591         if (wwo->wFlags != DCB_NULL &&
 592             !DriverCallback(wwo->waveDesc.dwCallback, wwo->wFlags, (HDRVR)wwo->waveDesc.hWave,
 593                             wMsg, wwo->waveDesc.dwInstance, dwParam1, dwParam2)) {
 594             WARN("can't notify client !\n");
 595             return MMSYSERR_ERROR;
 596         }
 597         break;
 598     default:
 599         FIXME("Unknown callback message %u\n", wMsg);
 600         return MMSYSERR_INVALPARAM;
 601     }
 602     return MMSYSERR_NOERROR;
 603 }
 604
 605 /**************************************************************************
 606  *                              wodUpdatePlayedTotal    [internal]
 607  *
 608  */
 609 static BOOL wodUpdatePlayedTotal(WINE_WAVEOUT* wwo)
 610 {
 611     wwo->PlayedTotal = wwo->WrittenTotal;
 612     return TRUE;
 613 }
 614
 615 /**************************************************************************
 616  *                              wodPlayer_BeginWaveHdr          [internal]
 617  *
 618  * Makes the specified lpWaveHdr the currently playing wave header.
 619  * If the specified wave header is a begin loop and we're not already in
 620  * a loop, setup the loop.
 621  */
 622 static void wodPlayer_BeginWaveHdr(WINE_WAVEOUT* wwo, LPWAVEHDR lpWaveHdr)
 623 {
 624     wwo->lpPlayPtr = lpWaveHdr;
 625
 626     if (!lpWaveHdr) return;
 627
 628     if (lpWaveHdr->dwFlags & WHDR_BEGINLOOP) {
 629         if (wwo->lpLoopPtr) {
 630             WARN("Already in a loop. Discarding loop on this header (%p)\n", lpWaveHdr);
 631             TRACE("Already in a loop. Discarding loop on this header (%p)\n", lpWaveHdr);
 632         } else {
 633             TRACE("Starting loop (%dx) with %p\n", lpWaveHdr->dwLoops, lpWaveHdr);
 634             wwo->lpLoopPtr = lpWaveHdr;
 635             /* Windows does not touch WAVEHDR.dwLoops,
 636              * so we need to make an internal copy */
 637             wwo->dwLoops = lpWaveHdr->dwLoops;
 638         }
 639     }
 640 }
 641
 642 /**************************************************************************
 643  *                              wodPlayer_PlayPtrNext           [internal]
 644  *
 645  * Advance the play pointer to the next waveheader, looping if required.
 646  */
 647 static LPWAVEHDR wodPlayer_PlayPtrNext(WINE_WAVEOUT* wwo)
 648 {
 649     LPWAVEHDR lpWaveHdr = wwo->lpPlayPtr;
 650
 651     if ((lpWaveHdr->dwFlags & WHDR_ENDLOOP) && wwo->lpLoopPtr) {
 652         /* We're at the end of a loop, loop if required */
 653         if (--wwo->dwLoops > 0) {
 654             wwo->lpPlayPtr = wwo->lpLoopPtr;
 655         } else {
 656             /* Handle overlapping loops correctly */
 657             if (wwo->lpLoopPtr != lpWaveHdr && (lpWaveHdr->dwFlags & WHDR_BEGINLOOP)) {
 658                 FIXME("Correctly handled case ? (ending loop buffer also starts a new loop)\n");
 659                 /* shall we consider the END flag for the closing loop or for
 660                  * the opening one or for both ???
 661                  * code assumes for closing loop only
 662                  */
 663             } else {
 664                 lpWaveHdr = lpWaveHdr->lpNext;
 665             }
 666             wwo->lpLoopPtr = NULL;
 667             wodPlayer_BeginWaveHdr(wwo, lpWaveHdr);
 668         }
 669     } else {
 670         /* We're not in a loop.  Advance to the next wave header */
 671         wodPlayer_BeginWaveHdr(wwo, lpWaveHdr = lpWaveHdr->lpNext);
 672     }
 673     return lpWaveHdr;
 674 }
 675
 676 /**************************************************************************
 677  *                              wodPlayer_NotifyCompletions     [internal]
 678  *
 679  * Notifies and remove from queue all wavehdrs which have been played to
 680  * the speaker (ie. they have cleared the audio device).  If force is true,
 681  * we notify all wavehdrs and remove them all from the queue even if they
 682  * are unplayed or part of a loop.
 683  */
 684 static DWORD wodPlayer_NotifyCompletions(WINE_WAVEOUT* wwo, BOOL force)
 685 {
 686     LPWAVEHDR           lpWaveHdr;
 687
 688     /* Start from lpQueuePtr and keep notifying until:
 689      * - we hit an unwritten wavehdr
 690      * - we hit the beginning of a running loop
 691      * - we hit a wavehdr which hasn't finished playing
 692      */
 693     wodUpdatePlayedTotal(wwo);
 694
 695     while ((lpWaveHdr = wwo->lpQueuePtr) && (force || (lpWaveHdr != wwo->lpPlayPtr &&
 696             lpWaveHdr != wwo->lpLoopPtr && lpWaveHdr->reserved <= wwo->PlayedTotal))) {
 697
 698         wwo->lpQueuePtr = lpWaveHdr->lpNext;
 699
 700         lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
 701         lpWaveHdr->dwFlags |= WHDR_DONE;
 702
 703         wodNotifyClient(wwo, WOM_DONE, (DWORD)lpWaveHdr, 0);
 704     }
 705     return  (lpWaveHdr && lpWaveHdr != wwo->lpPlayPtr && lpWaveHdr != wwo->lpLoopPtr) ?
 706             1 : 1;
 707 }
 708
 709 /**************************************************************************
 710  *                              wodPlayer_Reset                 [internal]
 711  *
 712  * wodPlayer helper. Resets current output stream.
 713  */
 714 static  void    wodPlayer_Reset(WINE_WAVEOUT* wwo, BOOL reset)
 715 {
 716     wodUpdatePlayedTotal(wwo);
 717     wodPlayer_NotifyCompletions(wwo, FALSE); /* updates current notify list */
 718
 719     /* we aren't able to flush any data that has already been written */
 720     /* to nas, otherwise we would do the flushing here */
 721
 722     nas_free(wwo);
 723
 724     if (reset) {
 725         enum win_wm_message     msg;
 726         DWORD                   param;
 727         HANDLE                  ev;
 728
 729         /* remove any buffer */
 730         wodPlayer_NotifyCompletions(wwo, TRUE);
 731
 732         wwo->lpPlayPtr = wwo->lpQueuePtr = wwo->lpLoopPtr = NULL;
 733         wwo->state = WINE_WS_STOPPED;
 734         wwo->PlayedTotal = wwo->WrittenTotal = 0;
 735
 736         /* remove any existing message in the ring */
 737         EnterCriticalSection(&wwo->msgRing.msg_crst);
 738
 739         /* return all pending headers in queue */
 740         while (NAS_RetrieveRingMessage(&wwo->msgRing, &msg, &param, &ev))
 741         {
 742             TRACE("flushing msg\n");
 743             if (msg != WINE_WM_HEADER)
 744             {
 745                 FIXME("shouldn't have headers left\n");
 746                 SetEvent(ev);
 747                 continue;
 748             }
 749             ((LPWAVEHDR)param)->dwFlags &= ~WHDR_INQUEUE;
 750             ((LPWAVEHDR)param)->dwFlags |= WHDR_DONE;
 751
 752             wodNotifyClient(wwo, WOM_DONE, param, 0);
 753         }
 754         ResetEvent(wwo->msgRing.msg_event);
 755         LeaveCriticalSection(&wwo->msgRing.msg_crst);
 756     } else {
 757         if (wwo->lpLoopPtr) {
 758             /* complicated case, not handled yet (could imply modifying the loop counter */
 759             FIXME("Pausing while in loop isn't correctly handled yet, except strange results\n");
 760             wwo->lpPlayPtr = wwo->lpLoopPtr;
 761             wwo->WrittenTotal = wwo->PlayedTotal; /* this is wrong !!! */
 762         } else {
 763             /* the data already written is going to be played, so take */
 764             /* this fact into account here */
 765             wwo->PlayedTotal = wwo->WrittenTotal;
 766         }
 767         wwo->state = WINE_WS_PAUSED;
 768     }
 769 }
 770
 771 /**************************************************************************
 772  *                    wodPlayer_ProcessMessages                 [internal]
 773  */
 774 static void wodPlayer_ProcessMessages(WINE_WAVEOUT* wwo)
 775 {
 776     LPWAVEHDR           lpWaveHdr;
 777     enum win_wm_message msg;
 778     DWORD               param;
 779     HANDLE              ev;
 780
 781     while (NAS_RetrieveRingMessage(&wwo->msgRing, &msg, &param, &ev)) {
 782         TRACE("Received %s %x\n", wodPlayerCmdString[msg - WM_USER - 1], param);
 783         switch (msg) {
 784         case WINE_WM_PAUSING:
 785             wodPlayer_Reset(wwo, FALSE);
 786             SetEvent(ev);
 787             break;
 788         case WINE_WM_RESTARTING:
 789             wwo->state = WINE_WS_PLAYING;
 790             SetEvent(ev);
 791             break;
 792         case WINE_WM_HEADER:
 793             lpWaveHdr = (LPWAVEHDR)param;
 794
 795             /* insert buffer at the end of queue */
 796             {
 797                 LPWAVEHDR*      wh;
 798                 for (wh = &(wwo->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
 799                 *wh = lpWaveHdr;
 800             }
 801             if (!wwo->lpPlayPtr)
 802                 wodPlayer_BeginWaveHdr(wwo,lpWaveHdr);
 803             if (wwo->state == WINE_WS_STOPPED)
 804                 wwo->state = WINE_WS_PLAYING;
 805             break;
 806         case WINE_WM_RESETTING:
 807             wodPlayer_Reset(wwo, TRUE);
 808             SetEvent(ev);
 809             break;
 810         case WINE_WM_UPDATE:
 811             wodUpdatePlayedTotal(wwo);
 812             SetEvent(ev);
 813             break;
 814         case WINE_WM_BREAKLOOP:
 815             if (wwo->state == WINE_WS_PLAYING && wwo->lpLoopPtr != NULL) {
 816                 /* ensure exit at end of current loop */
 817                 wwo->dwLoops = 1;
 818             }
 819             SetEvent(ev);
 820             break;
 821         case WINE_WM_CLOSING:
 822             /* sanity check: this should not happen since the device must have been reset before */
 823             if (wwo->lpQueuePtr || wwo->lpPlayPtr) ERR("out of sync\n");
 824             wwo->hThread = 0;
 825             wwo->state = WINE_WS_CLOSED;
 826             SetEvent(ev);
 827             ExitThread(0);
 828             /* shouldn't go here */
 829         default:
 830             FIXME("unknown message %d\n", msg);
 831             break;
 832         }
 833     }
 834 }
 835
 836 /**************************************************************************
 837  *                              wodPlayer                       [internal]
 838  */
 839 static  DWORD   CALLBACK        wodPlayer(LPVOID pmt)
 840 {
 841     WORD          uDevID = (DWORD)pmt;
 842     WINE_WAVEOUT* wwo = (WINE_WAVEOUT*)&WOutDev[uDevID];
 843
 844     wwo->state = WINE_WS_STOPPED;
 845     SetEvent(wwo->hStartUpEvent);
 846
 847     for (;;) {
 848
 849         if (wwo->FlowStarted) {
 850            AuHandleEvents(wwo->AuServ);
 851
 852            if (wwo->state == WINE_WS_PLAYING && wwo->freeBytes && wwo->BufferUsed)
 853               nas_send_buffer(wwo);
 854         }
 855
 856         if (wwo->BufferUsed <= FRAG_SIZE && wwo->writeBytes > 0)
 857            wodPlayer_NotifyCompletions(wwo, FALSE);
 858
 859         WaitForSingleObject(wwo->msgRing.msg_event, 20);
 860         wodPlayer_ProcessMessages(wwo);
 861
 862         while(wwo->lpPlayPtr) {
 863            wwo->lpPlayPtr->reserved = wwo->WrittenTotal + wwo->lpPlayPtr->dwBufferLength;
 864            nas_add_buffer(wwo);
 865            wodPlayer_PlayPtrNext(wwo);
 866         }
 867
 868     }
 869 }
 870
 871 /**************************************************************************
 872  *                      wodGetDevCaps                           [internal]
 873  */
 874 static DWORD wodGetDevCaps(WORD wDevID, LPWAVEOUTCAPSW lpCaps, DWORD dwSize)
 875 {
 876     TRACE("(%u, %p, %u);\n", wDevID, lpCaps, dwSize);
 877
 878     if (lpCaps == NULL) return MMSYSERR_NOTENABLED;
 879
 880     if (wDevID >= MAX_WAVEOUTDRV) {
 881         TRACE("MAX_WAVOUTDRV reached !\n");
 882         return MMSYSERR_BADDEVICEID;
 883     }
 884
 885     memcpy(lpCaps, &WOutDev[wDevID].caps, min(dwSize, sizeof(*lpCaps)));
 886     return MMSYSERR_NOERROR;
 887 }
 888
 889 /**************************************************************************
 890  *                              wodOpen                         [internal]
 891  */
 892 static DWORD wodOpen(WORD wDevID, LPWAVEOPENDESC lpDesc, DWORD dwFlags)
 893 {
 894     WINE_WAVEOUT*       wwo;
 895
 896     TRACE("wodOpen (%u, %p, %08X);\n", wDevID, lpDesc, dwFlags);
 897
 898     if (lpDesc == NULL) {
 899         WARN("Invalid Parameter !\n");
 900         return MMSYSERR_INVALPARAM;
 901     }
 902     if (wDevID >= MAX_WAVEOUTDRV) {
 903         TRACE("MAX_WAVOUTDRV reached !\n");
 904         return MMSYSERR_BADDEVICEID;
 905     }
 906
 907     /* if this device is already open tell the app that it is allocated */
 908
 909     wwo = &WOutDev[wDevID];
 910
 911     if(wwo->open)
 912     {
 913       TRACE("device already allocated\n");
 914       return MMSYSERR_ALLOCATED;
 915     }
 916
 917
 918     /* only PCM format is supported so far... */
 919     if (lpDesc->lpFormat->wFormatTag != WAVE_FORMAT_PCM ||
 920         lpDesc->lpFormat->nChannels == 0 ||
 921         lpDesc->lpFormat->nSamplesPerSec == 0 ||
 922         (lpDesc->lpFormat->wBitsPerSample!=8 && lpDesc->lpFormat->wBitsPerSample!=16)) {
 923         WARN("Bad format: tag=%04X nChannels=%d nSamplesPerSec=%d !\n",
 924              lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
 925              lpDesc->lpFormat->nSamplesPerSec);
 926         return WAVERR_BADFORMAT;
 927     }
 928
 929     if (dwFlags & WAVE_FORMAT_QUERY) {
 930         TRACE("Query format: tag=%04X nChannels=%d nSamplesPerSec=%d !\n",
 931              lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
 932              lpDesc->lpFormat->nSamplesPerSec);
 933         return MMSYSERR_NOERROR;
 934     }
 935
 936     /* direct sound not supported, ignore the flag */
 937     dwFlags &= ~WAVE_DIRECTSOUND;
 938
 939     wwo->wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
 940
 941     memcpy(&wwo->waveDesc, lpDesc,           sizeof(WAVEOPENDESC));
 942     memcpy(&wwo->format,   lpDesc->lpFormat, sizeof(PCMWAVEFORMAT));
 943
 944     if (wwo->format.wBitsPerSample == 0) {
 945         WARN("Resetting zeroed wBitsPerSample\n");
 946         wwo->format.wBitsPerSample = 8 *
 947             (wwo->format.wf.nAvgBytesPerSec /
 948              wwo->format.wf.nSamplesPerSec) /
 949             wwo->format.wf.nChannels;
 950     }
 951
 952     if (!nas_open(wwo))
 953        return MMSYSERR_ALLOCATED;
 954
 955     NAS_InitRingMessage(&wwo->msgRing);
 956
 957     /* create player thread */
 958     if (!(dwFlags & WAVE_DIRECTSOUND)) {
 959         wwo->hStartUpEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
 960         wwo->hThread = CreateThread(NULL, 0, wodPlayer, (LPVOID)(DWORD)wDevID, 0, &(wwo->dwThreadID));
 961         if (wwo->hThread)
 962             SetThreadPriority(wwo->hThread, THREAD_PRIORITY_TIME_CRITICAL);
 963         WaitForSingleObject(wwo->hStartUpEvent, INFINITE);
 964         CloseHandle(wwo->hStartUpEvent);
 965     } else {
 966         wwo->hThread = INVALID_HANDLE_VALUE;
 967         wwo->dwThreadID = 0;
 968     }
 969     wwo->hStartUpEvent = INVALID_HANDLE_VALUE;
 970
 971     TRACE("stream=0x%lx, BufferSize=%d\n", (long)wwo->AuServ, wwo->BufferSize);
 972
 973     TRACE("wBitsPerSample=%u nAvgBytesPerSec=%u nSamplesPerSec=%u nChannels=%u nBlockAlign=%u\n",
 974           wwo->format.wBitsPerSample, wwo->format.wf.nAvgBytesPerSec,
 975           wwo->format.wf.nSamplesPerSec, wwo->format.wf.nChannels,
 976           wwo->format.wf.nBlockAlign);
 977
 978     return wodNotifyClient(wwo, WOM_OPEN, 0L, 0L);
 979 }
 980
 981 /**************************************************************************
 982  *                              wodClose                        [internal]
 983  */
 984 static DWORD wodClose(WORD wDevID)
 985 {
 986     DWORD               ret = MMSYSERR_NOERROR;
 987     WINE_WAVEOUT*       wwo;
 988
 989     TRACE("(%u);\n", wDevID);
 990
 991     if (wDevID >= MAX_WAVEOUTDRV || AuServ  == NULL)
 992     {
 993         WARN("bad device ID !\n");
 994         return MMSYSERR_BADDEVICEID;
 995     }
 996
 997     wwo = &WOutDev[wDevID];
 998     if (wwo->lpQueuePtr) {
 999         WARN("buffers still playing !\n");
1000         ret = WAVERR_STILLPLAYING;
1001     } else {
1002         TRACE("imhere[3-close]\n");
1003         if (wwo->hThread != INVALID_HANDLE_VALUE) {
1004             NAS_AddRingMessage(&wwo->msgRing, WINE_WM_CLOSING, 0, TRUE);
1005         }
1006
1007         NAS_DestroyRingMessage(&wwo->msgRing);
1008
1009         NAS_CloseDevice(wwo);   /* close the stream and clean things up */
1010
1011         ret = wodNotifyClient(wwo, WOM_CLOSE, 0L, 0L);
1012     }
1013     return ret;
1014 }
1015
1016 /**************************************************************************
1017  *                              wodWrite                        [internal]
1018  *
1019  */
1020 static DWORD wodWrite(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
1021 {
1022     TRACE("(%u, %p, %08X);\n", wDevID, lpWaveHdr, dwSize);
1023
1024     /* first, do the sanity checks... */
1025     if (wDevID >= MAX_WAVEOUTDRV || AuServ == NULL)
1026     {
1027         WARN("bad dev ID !\n");
1028         return MMSYSERR_BADDEVICEID;
1029     }
1030
1031     if (lpWaveHdr->lpData == NULL || !(lpWaveHdr->dwFlags & WHDR_PREPARED))
1032     {
1033         TRACE("unprepared\n");
1034         return WAVERR_UNPREPARED;
1035     }
1036
1037     if (lpWaveHdr->dwFlags & WHDR_INQUEUE)
1038     {
1039         TRACE("still playing\n");
1040         return WAVERR_STILLPLAYING;
1041     }
1042
1043     lpWaveHdr->dwFlags &= ~WHDR_DONE;
1044     lpWaveHdr->dwFlags |= WHDR_INQUEUE;
1045     lpWaveHdr->lpNext = 0;
1046
1047     TRACE("adding ring message\n");
1048     NAS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_HEADER, (DWORD)lpWaveHdr, FALSE);
1049
1050     return MMSYSERR_NOERROR;
1051 }
1052
1053 /**************************************************************************
1054  *                      wodPause                                [internal]
1055  */
1056 static DWORD wodPause(WORD wDevID)
1057 {
1058     TRACE("(%u);!\n", wDevID);
1059
1060     if (wDevID >= MAX_WAVEOUTDRV || AuServ == NULL)
1061     {
1062         WARN("bad device ID !\n");
1063         return MMSYSERR_BADDEVICEID;
1064     }
1065
1066     TRACE("imhere[3-PAUSING]\n");
1067     NAS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_PAUSING, 0, TRUE);
1068
1069     return MMSYSERR_NOERROR;
1070 }
1071
1072 /**************************************************************************
1073  *                      wodRestart                              [internal]
1074  */
1075 static DWORD wodRestart(WORD wDevID)
1076 {
1077     TRACE("(%u);\n", wDevID);
1078
1079     if (wDevID >= MAX_WAVEOUTDRV || AuServ == NULL)
1080     {
1081         WARN("bad device ID !\n");
1082         return MMSYSERR_BADDEVICEID;
1083     }
1084
1085     if (WOutDev[wDevID].state == WINE_WS_PAUSED) {
1086         TRACE("imhere[3-RESTARTING]\n");
1087         NAS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_RESTARTING, 0, TRUE);
1088     }
1089
1090     /* FIXME: is NotifyClient with WOM_DONE right ? (Comet Busters 1.3.3 needs this notification) */
1091     /* FIXME: Myst crashes with this ... hmm -MM
1092        return wodNotifyClient(wwo, WOM_DONE, 0L, 0L);
1093     */
1094
1095     return MMSYSERR_NOERROR;
1096 }
1097
1098 /**************************************************************************
1099  *                      wodReset                                [internal]
1100  */
1101 static DWORD wodReset(WORD wDevID)
1102 {
1103     TRACE("(%u);\n", wDevID);
1104
1105     if (wDevID >= MAX_WAVEOUTDRV || AuServ == NULL)
1106     {
1107         WARN("bad device ID !\n");
1108         return MMSYSERR_BADDEVICEID;
1109     }
1110
1111     TRACE("imhere[3-RESET]\n");
1112     NAS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_RESETTING, 0, TRUE);
1113
1114     return MMSYSERR_NOERROR;
1115 }
1116
1117 /**************************************************************************
1118  *                              wodGetPosition                  [internal]
1119  */
1120 static DWORD wodGetPosition(WORD wDevID, LPMMTIME lpTime, DWORD uSize)
1121 {
1122     WINE_WAVEOUT*       wwo;
1123
1124     TRACE("%u, %p, %u);\n", wDevID, lpTime, uSize);
1125
1126     if (wDevID >= MAX_WAVEOUTDRV || AuServ == NULL)
1127     {
1128         WARN("bad device ID !\n");
1129         return MMSYSERR_BADDEVICEID;
1130     }
1131
1132     if (lpTime == NULL) return MMSYSERR_INVALPARAM;
1133
1134     wwo = &WOutDev[wDevID];
1135 #if 0
1136     NAS_AddRingMessage(&wwo->msgRing, WINE_WM_UPDATE, 0, TRUE);
1137 #endif
1138
1139     return bytes_to_mmtime(lpTime, wwo->WrittenTotal, &wwo->format);
1140 }
1141
1142 /**************************************************************************
1143  *                              wodBreakLoop                    [internal]
1144  */
1145 static DWORD wodBreakLoop(WORD wDevID)
1146 {
1147     TRACE("(%u);\n", wDevID);
1148
1149     if (wDevID >= MAX_WAVEOUTDRV || AuServ == NULL)
1150     {
1151         WARN("bad device ID !\n");
1152         return MMSYSERR_BADDEVICEID;
1153     }
1154     NAS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_BREAKLOOP, 0, TRUE);
1155     return MMSYSERR_NOERROR;
1156 }
1157
1158 /**************************************************************************
1159  *                              wodGetVolume                    [internal]
1160  */
1161 static DWORD wodGetVolume(WORD wDevID, LPDWORD lpdwVol)
1162 {
1163     DWORD left, right;
1164
1165     left = WOutDev[wDevID].volume_left;
1166     right = WOutDev[wDevID].volume_right;
1167
1168     TRACE("(%u, %p);\n", wDevID, lpdwVol);
1169
1170     *lpdwVol = ((left * 0xFFFFl) / 100) + (((right * 0xFFFFl) / 100) << 16);
1171
1172     return MMSYSERR_NOERROR;
1173 }
1174
1175 /**************************************************************************
1176  *                              wodSetVolume                    [internal]
1177  */
1178 static DWORD wodSetVolume(WORD wDevID, DWORD dwParam)
1179 {
1180     DWORD left, right;
1181
1182     left  = (LOWORD(dwParam) * 100) / 0xFFFFl;
1183     right = (HIWORD(dwParam) * 100) / 0xFFFFl;
1184
1185     TRACE("(%u, %08X);\n", wDevID, dwParam);
1186
1187     WOutDev[wDevID].volume_left = left;
1188     WOutDev[wDevID].volume_right = right;
1189
1190     return MMSYSERR_NOERROR;
1191 }
1192
1193 /**************************************************************************
1194  *                              wodGetNumDevs                   [internal]
1195  */
1196 static  DWORD   wodGetNumDevs(void)
1197 {
1198     return MAX_WAVEOUTDRV;
1199 }
1200
1201 /**************************************************************************
1202  *                              wodMessage (WINENAS.@)
1203  */
1204 DWORD WINAPI NAS_wodMessage(UINT wDevID, UINT wMsg, DWORD dwUser,
1205                             DWORD dwParam1, DWORD dwParam2)
1206 {
1207     TRACE("(%u, %04X, %08X, %08X, %08X);\n", wDevID, wMsg, dwUser, dwParam1, dwParam2);
1208
1209     switch (wMsg) {
1210     case DRVM_INIT:
1211     case DRVM_EXIT:
1212     case DRVM_ENABLE:
1213     case DRVM_DISABLE:
1214         /* FIXME: Pretend this is supported */
1215         return 0;
1216     case WODM_OPEN:             return wodOpen          (wDevID, (LPWAVEOPENDESC)dwParam1,      dwParam2);
1217     case WODM_CLOSE:            return wodClose         (wDevID);
1218     case WODM_WRITE:            return wodWrite         (wDevID, (LPWAVEHDR)dwParam1,           dwParam2);
1219     case WODM_PAUSE:            return wodPause         (wDevID);
1220     case WODM_GETPOS:           return wodGetPosition   (wDevID, (LPMMTIME)dwParam1,            dwParam2);
1221     case WODM_BREAKLOOP:        return wodBreakLoop     (wDevID);
1222     case WODM_PREPARE:          return MMSYSERR_NOTSUPPORTED;
1223     case WODM_UNPREPARE:        return MMSYSERR_NOTSUPPORTED;
1224     case WODM_GETDEVCAPS:       return wodGetDevCaps    (wDevID, (LPWAVEOUTCAPSW)dwParam1,      dwParam2);
1225     case WODM_GETNUMDEVS:       return wodGetNumDevs    ();
1226     case WODM_GETPITCH:         return MMSYSERR_NOTSUPPORTED;
1227     case WODM_SETPITCH:         return MMSYSERR_NOTSUPPORTED;
1228     case WODM_GETPLAYBACKRATE:  return MMSYSERR_NOTSUPPORTED;
1229     case WODM_SETPLAYBACKRATE:  return MMSYSERR_NOTSUPPORTED;
1230     case WODM_GETVOLUME:        return wodGetVolume     (wDevID, (LPDWORD)dwParam1);
1231     case WODM_SETVOLUME:        return wodSetVolume     (wDevID, dwParam1);
1232     case WODM_RESTART:          return wodRestart       (wDevID);
1233     case WODM_RESET:            return wodReset         (wDevID);
1234
1235     case DRV_QUERYDSOUNDIFACE:  return wodDsCreate      (wDevID, (PIDSDRIVER*)dwParam1);
1236     case DRV_QUERYDSOUNDDESC:   return wodDsDesc        (wDevID, (PDSDRIVERDESC)dwParam1);
1237     default:
1238         FIXME("unknown message %d!\n", wMsg);
1239     }
1240     return MMSYSERR_NOTSUPPORTED;
1241 }
1242
1243 /*======================================================================*
1244  *                  Low level DSOUND implementation                     *
1245  *======================================================================*/
1246 static DWORD wodDsCreate(UINT wDevID, PIDSDRIVER* drv)
1247 {
1248     /* we can't perform memory mapping as we don't have a file stream
1249         interface with nas like we do with oss */
1250     MESSAGE("This sound card s driver does not support direct access\n");
1251     MESSAGE("The (slower) DirectSound HEL mode will be used instead.\n");
1252     return MMSYSERR_NOTSUPPORTED;
1253 }
1254
1255 static DWORD wodDsDesc(UINT wDevID, PDSDRIVERDESC desc)
1256 {
1257     memset(desc, 0, sizeof(*desc));
1258     strcpy(desc->szDesc, "Wine NAS DirectSound Driver");
1259     strcpy(desc->szDrvname, "winenas.drv");
1260     return MMSYSERR_NOERROR;
1261 }
1262
1263 static int nas_init(void) {
1264     TRACE("NAS INIT\n");
1265     if (!(AuServ = AuOpenServer(NULL, 0, NULL, 0, NULL, NULL)))
1266        return 0;
1267
1268     return 1;
1269 }
1270
1271 static int nas_finddev(WINE_WAVEOUT* wwo) {
1272    int i;
1273
1274     for (i = 0; i < AuServerNumDevices(wwo->AuServ); i++) {
1275         if ((AuDeviceKind(AuServerDevice(wwo->AuServ, i)) ==
1276              AuComponentKindPhysicalOutput) &&
1277              AuDeviceNumTracks(AuServerDevice(wwo->AuServ, i)) == wwo->format.wf.nChannels)
1278         {
1279             wwo->AuDev = AuDeviceIdentifier(AuServerDevice(wwo->AuServ, i));
1280             break;
1281         }
1282     }
1283
1284     if (wwo->AuDev == AuNone)
1285        return 0;
1286     return 1;
1287 }
1288
1289 static int nas_open(WINE_WAVEOUT* wwo) {
1290     AuElement elements[3];
1291
1292     if (!wwo->AuServ)
1293        return 0;
1294
1295     if (!nas_finddev(wwo))
1296        return 0;
1297
1298     if (!(wwo->AuFlow = AuCreateFlow(wwo->AuServ, NULL)))
1299        return 0;
1300
1301     wwo->BufferSize = FRAG_SIZE * FRAG_COUNT;
1302
1303     AuMakeElementImportClient(&elements[0], wwo->format.wf.nSamplesPerSec,
1304            wwo->format.wBitsPerSample == 16 ? AuFormatLinearSigned16LSB : AuFormatLinearUnsigned8,
1305            wwo->format.wf.nChannels, AuTrue, wwo->BufferSize, wwo->BufferSize / 2, 0, NULL);
1306
1307     AuMakeElementExportDevice(&elements[1], 0, wwo->AuDev, wwo->format.wf.nSamplesPerSec,
1308                               AuUnlimitedSamples, 0, NULL);
1309
1310     AuSetElements(wwo->AuServ, wwo->AuFlow, AuTrue, 2, elements, NULL);
1311
1312     AuRegisterEventHandler(wwo->AuServ, AuEventHandlerIDMask, 0, wwo->AuFlow,
1313                            event_handler, (AuPointer) wwo);
1314
1315
1316     wwo->PlayedTotal = 0;
1317     wwo->WrittenTotal = 0;
1318     wwo->open = 1;
1319
1320     wwo->BufferUsed = 0;
1321     wwo->writeBytes = 0;
1322     wwo->freeBytes = 0;
1323     wwo->sendBytes = 0;
1324     wwo->SoundBuffer = NULL;
1325     wwo->FlowStarted = 0;
1326
1327     AuStartFlow(wwo->AuServ, wwo->AuFlow, NULL);
1328     AuPauseFlow(wwo->AuServ, wwo->AuFlow, NULL);
1329     wwo->FlowStarted = 1;
1330
1331     return 1;
1332 }
1333
1334 static AuBool
1335 event_handler(AuServer* aud, AuEvent* ev, AuEventHandlerRec* hnd)
1336 {
1337   WINE_WAVEOUT *wwo = (WINE_WAVEOUT *)hnd->data;
1338         switch (ev->type) {
1339
1340         case AuEventTypeElementNotify: {
1341                 AuElementNotifyEvent* event = (AuElementNotifyEvent *)ev;
1342
1343
1344                 switch (event->kind) {
1345                    case AuElementNotifyKindLowWater:
1346                      wwo->freeBytes += event->num_bytes;
1347                      if (wwo->writeBytes > 0)
1348                         wwo->sendBytes += event->num_bytes;
1349                     if (wwo->freeBytes && wwo->BufferUsed)
1350                         nas_send_buffer(wwo);
1351                    break;
1352
1353                    case AuElementNotifyKindState:
1354                      TRACE("ev: kind %s state %s->%s reason %s numbytes %ld freeB %u\n",
1355                                      nas_elementnotify_kind(event->kind),
1356                                      nas_state(event->prev_state),
1357                                      nas_state(event->cur_state),
1358                                      nas_reason(event->reason),
1359                                      event->num_bytes, wwo->freeBytes);
1360
1361                      if (event->cur_state ==  AuStatePause && event->reason != AuReasonUser) {
1362                         wwo->freeBytes += event->num_bytes;
1363                         if (wwo->writeBytes > 0)
1364                            wwo->sendBytes += event->num_bytes;
1365                         if (wwo->sendBytes > wwo->writeBytes)
1366                            wwo->sendBytes = wwo->writeBytes;
1367                        if (wwo->freeBytes && wwo->BufferUsed)
1368                            nas_send_buffer(wwo);
1369                      }
1370                    break;
1371                 }
1372            }
1373         }
1374         return AuTrue;
1375 }
1376
1377 static void
1378 buffer_resize(WINE_WAVEOUT* wwo, int len)
1379 {
1380         void *newbuf = malloc(wwo->BufferUsed + len);
1381         void *oldbuf = wwo->SoundBuffer;
1382         memcpy(newbuf, oldbuf, wwo->BufferUsed);
1383         wwo->SoundBuffer = newbuf;
1384         free(oldbuf);
1385 }
1386
1387 static int nas_add_buffer(WINE_WAVEOUT* wwo) {
1388     int len = wwo->lpPlayPtr->dwBufferLength;
1389
1390     buffer_resize(wwo, len);
1391     memcpy(wwo->SoundBuffer + wwo->BufferUsed, wwo->lpPlayPtr->lpData, len);
1392     wwo->BufferUsed += len;
1393     wwo->WrittenTotal += len;
1394     return len;
1395 }
1396
1397 static int nas_send_buffer(WINE_WAVEOUT* wwo) {
1398   int oldb , len;
1399   char *ptr, *newdata;
1400   newdata = NULL;
1401   oldb = len = 0;
1402
1403   if (wwo->freeBytes <= 0)
1404      return 0;
1405
1406   if (wwo->SoundBuffer == NULL || wwo->BufferUsed == 0) {
1407      return 0;
1408   }
1409
1410   if (wwo->BufferUsed <= wwo->freeBytes) {
1411      len = wwo->BufferUsed;
1412      ptr = wwo->SoundBuffer;
1413   } else {
1414      len = wwo->freeBytes;
1415      ptr = malloc(len);
1416      memcpy(ptr,wwo->SoundBuffer,len);
1417      newdata = malloc(wwo->BufferUsed - len);
1418      memcpy(newdata, wwo->SoundBuffer + len, wwo->BufferUsed - len);
1419   }
1420
1421  TRACE("envoye de %d bytes / %lu bytes / freeBytes %u\n", len, wwo->BufferUsed, wwo->freeBytes);
1422
1423  AuWriteElement(wwo->AuServ, wwo->AuFlow, 0, len, ptr, AuFalse, NULL);
1424
1425  wwo->BufferUsed -= len;
1426  wwo->freeBytes -= len;
1427  wwo->writeBytes += len;
1428
1429  free(ptr);
1430
1431  wwo->SoundBuffer = NULL;
1432
1433  if (newdata != NULL)
1434     wwo->SoundBuffer = newdata;
1435
1436  return len;
1437 }
1438
1439 static int nas_free(WINE_WAVEOUT* wwo)
1440 {
1441
1442   if (!wwo->FlowStarted && wwo->BufferUsed) {
1443      AuStartFlow(wwo->AuServ, wwo->AuFlow, NULL);
1444      wwo->FlowStarted = 1;
1445   }
1446
1447   while (wwo->BufferUsed || wwo->writeBytes != wwo->sendBytes) {
1448     if (wwo->freeBytes)
1449        nas_send_buffer(wwo);
1450     AuHandleEvents(wwo->AuServ);
1451   }
1452
1453   AuFlush(wwo->AuServ);
1454   return TRUE;
1455 }
1456
1457 static int nas_close(WINE_WAVEOUT* wwo)
1458 {
1459   AuEvent ev;
1460
1461   nas_free(wwo);
1462
1463   AuStopFlow(wwo->AuServ, wwo->AuFlow, NULL);
1464   AuDestroyFlow(wwo->AuServ, wwo->AuFlow, NULL);
1465   AuFlush(wwo->AuServ);
1466   AuNextEvent(wwo->AuServ, AuTrue, &ev);
1467   AuDispatchEvent(wwo->AuServ, &ev);
1468
1469   wwo->AuFlow = 0;
1470   wwo->open = 0;
1471   wwo->BufferUsed = 0;
1472   wwo->freeBytes = 0;
1473   wwo->SoundBuffer = NULL;
1474   return 1;
1475 }
1476
1477 static int nas_end(void)
1478 {
1479   if (AuServ)
1480   {
1481     AuCloseServer(AuServ);
1482     AuServ = 0;
1483   }
1484   return 1;
1485 }
1486
1487 #else /* !HAVE_NAS */
1488
1489 /**************************************************************************
1490  *                              wodMessage (WINENAS.@)
1491  */
1492 DWORD WINAPI NAS_wodMessage(WORD wDevID, WORD wMsg, DWORD dwUser, DWORD dwParam1, DWORD dwParam2)
1493 {
1494     FIXME("(%u, %04X, %08X, %08X, %08X):stub\n", wDevID, wMsg, dwUser, dwParam1, dwParam2);
1495     return MMSYSERR_NOTENABLED;
1496 }
1497 #endif