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 INT64 X_INT64
  60 #define BOOL X_BOOL
  61 #define BYTE X_BYTE
  62 #ifdef HAVE_AUDIO_AUDIOLIB_H
  63 #include <audio/audiolib.h>
  64 #endif
  65 #ifdef HAVE_AUDIO_SOUNDLIB_H
  66 #include <audio/soundlib.h>
  67 #endif
  68 #undef INT8
  69 #undef INT16
  70 #undef INT32
  71 #undef INT64
  72 #undef LONG64
  73 #undef BOOL
  74 #undef BYTE
  75
  76 #include "windef.h"
  77 #include "winbase.h"
  78 #include "wingdi.h"
  79 #include "winuser.h"
  80 #include "winerror.h"
  81 #include "mmddk.h"
  82 #include "dsound.h"
  83 #include "dsdriver.h"
  84 #include "wine/unicode.h"
  85 #include "wine/debug.h"
  86
  87 WINE_DEFAULT_DEBUG_CHANNEL(wave);
  88
  89 /* Allow 1% deviation for sample rates (some ES137x cards) */
  90 #define NEAR_MATCH(rate1,rate2) (((100*((int)(rate1)-(int)(rate2)))/(rate1))==0)
  91
  92 #ifdef HAVE_NAS
  93
  94 static AuServer         *AuServ;
  95
  96 #define MAX_WAVEOUTDRV  (1)
  97
  98 /* state diagram for waveOut writing:
  99  *
 100  * +---------+-------------+---------------+---------------------------------+
 101  * |  state  |  function   |     event     |            new state            |
 102  * +---------+-------------+---------------+---------------------------------+
 103  * |         | open()      |               | STOPPED                         |
 104  * | PAUSED  | write()     |               | PAUSED                          |
 105  * | STOPPED | write()     | <thrd create> | PLAYING                         |
 106  * | PLAYING | write()     | HEADER        | PLAYING                         |
 107  * | (other) | write()     | <error>       |                                 |
 108  * | (any)   | pause()     | PAUSING       | PAUSED                          |
 109  * | PAUSED  | restart()   | RESTARTING    | PLAYING (if no thrd => STOPPED) |
 110  * | (any)   | reset()     | RESETTING     | STOPPED                         |
 111  * | (any)   | close()     | CLOSING       | CLOSED                          |
 112  * +---------+-------------+---------------+---------------------------------+
 113  */
 114
 115 /* states of the playing device */
 116 #define WINE_WS_PLAYING         0
 117 #define WINE_WS_PAUSED          1
 118 #define WINE_WS_STOPPED         2
 119 #define WINE_WS_CLOSED          3
 120
 121 /* events to be send to device */
 122 enum win_wm_message {
 123     WINE_WM_PAUSING = WM_USER + 1, WINE_WM_RESTARTING, WINE_WM_RESETTING, WINE_WM_HEADER,
 124     WINE_WM_UPDATE, WINE_WM_BREAKLOOP, WINE_WM_CLOSING
 125 };
 126
 127 typedef struct {
 128     enum win_wm_message         msg;    /* message identifier */
 129     DWORD_PTR                   param;  /* parameter for this message */
 130     HANDLE                      hEvent; /* if message is synchronous, handle of event for synchro */
 131 } RING_MSG;
 132
 133 /* implement an in-process message ring for better performance
 134  * (compared to passing thru the server)
 135  * this ring will be used by the input (resp output) record (resp playback) routine
 136  */
 137 #define NAS_RING_BUFFER_INCREMENT      64
 138 typedef struct {
 139     RING_MSG                    * messages;
 140     int                         ring_buffer_size;
 141     int                         msg_tosave;
 142     int                         msg_toget;
 143     HANDLE                      msg_event;
 144     CRITICAL_SECTION            msg_crst;
 145 } MSG_RING;
 146
 147 typedef struct {
 148     volatile int                state;                  /* one of the WINE_WS_ manifest constants */
 149     WAVEOPENDESC                waveDesc;
 150     WORD                        wFlags;
 151     PCMWAVEFORMAT               format;
 152     WAVEOUTCAPSW                caps;
 153     int                         Id;
 154
 155     int                         open;
 156     AuServer                    *AuServ;
 157     AuDeviceID                  AuDev;
 158     AuFlowID                    AuFlow;
 159     BOOL                        FlowStarted;
 160
 161     DWORD                       writeBytes;
 162     DWORD                       freeBytes;
 163     DWORD                       sendBytes;
 164
 165     DWORD                       BufferSize;           /* size of whole buffer in bytes */
 166
 167     char*                       SoundBuffer;
 168     long                        BufferUsed;
 169
 170     DWORD                       volume_left;            /* volume control information */
 171     DWORD                       volume_right;
 172
 173     LPWAVEHDR                   lpQueuePtr;             /* start of queued WAVEHDRs (waiting to be notified) */
 174     LPWAVEHDR                   lpPlayPtr;              /* start of not yet fully played buffers */
 175
 176     LPWAVEHDR                   lpLoopPtr;              /* pointer of first buffer in loop, if any */
 177     DWORD                       dwLoops;                /* private copy of loop counter */
 178
 179     DWORD                       PlayedTotal;            /* number of bytes actually played since opening */
 180     DWORD                       WrittenTotal;         /* number of bytes written to the audio device since opening */
 181
 182     /* synchronization stuff */
 183     HANDLE                      hStartUpEvent;
 184     HANDLE                      hThread;
 185     DWORD                       dwThreadID;
 186     MSG_RING                    msgRing;
 187 } WINE_WAVEOUT;
 188
 189 static WINE_WAVEOUT     WOutDev   [MAX_WAVEOUTDRV];
 190
 191 static DWORD wodDsCreate(UINT wDevID, PIDSDRIVER* drv);
 192 static DWORD wodDsDesc(UINT wDevID, PDSDRIVERDESC desc);
 193
 194
 195 /* NASFUNC */
 196 static AuBool event_handler(AuServer* aud, AuEvent* ev, AuEventHandlerRec* hnd);
 197 static int nas_init(void);
 198 static int nas_end(void);
 199
 200 static int nas_finddev(WINE_WAVEOUT* wwo);
 201 static int nas_open(WINE_WAVEOUT* wwo);
 202 static int nas_free(WINE_WAVEOUT* wwo);
 203 static int nas_close(WINE_WAVEOUT* wwo);
 204 static void buffer_resize(WINE_WAVEOUT* wwo, int len);
 205 static int nas_add_buffer(WINE_WAVEOUT* wwo);
 206 static int nas_send_buffer(WINE_WAVEOUT* wwo);
 207
 208 /* These strings used only for tracing */
 209 static const char * const wodPlayerCmdString[] = {
 210     "WINE_WM_PAUSING",
 211     "WINE_WM_RESTARTING",
 212     "WINE_WM_RESETTING",
 213     "WINE_WM_HEADER",
 214     "WINE_WM_UPDATE",
 215     "WINE_WM_BREAKLOOP",
 216     "WINE_WM_CLOSING",
 217 };
 218
 219 static const char * const nas_elementnotify_kinds[] = {
 220         "LowWater",
 221         "HighWater",
 222         "State",
 223         "Unknown"
 224 };
 225
 226 static const char * const nas_states[] = {
 227         "Stop",
 228         "Start",
 229         "Pause",
 230         "Any"
 231 };
 232
 233 static const char * const nas_reasons[] = {
 234         "User",
 235         "Underrun",
 236         "Overrun",
 237         "EOF",
 238         "Watermark",
 239         "Hardware",
 240         "Any"
 241 };
 242
 243 static const char* nas_reason(unsigned int reason)
 244 {
 245         if (reason > 6) reason = 6;
 246         return nas_reasons[reason];
 247 }
 248
 249 static const char* nas_elementnotify_kind(unsigned int kind)
 250 {
 251         if (kind > 2) kind = 3;
 252         return nas_elementnotify_kinds[kind];
 253 }
 254
 255
 256 #if 0
 257 static const char* nas_event_type(unsigned int type)
 258 {
 259         static const char * const nas_event_types[] =
 260         {
 261             "Undefined",
 262             "Undefined",
 263             "ElementNotify",
 264             "GrabNotify",
 265             "MonitorNotify",
 266             "BucketNotify",
 267             "DeviceNotify"
 268         };
 269
 270         if (type > 6) type = 0;
 271         return nas_event_types[type];
 272 }
 273 #endif
 274
 275
 276 static const char* nas_state(unsigned int state)
 277 {
 278         if (state > 3) state = 3;
 279         return nas_states[state];
 280 }
 281
 282 static DWORD bytes_to_mmtime(LPMMTIME lpTime, DWORD position,
 283                              PCMWAVEFORMAT* format)
 284 {
 285     TRACE("wType=%04X wBitsPerSample=%u nSamplesPerSec=%u nChannels=%u nAvgBytesPerSec=%u\n",
 286           lpTime->wType, format->wBitsPerSample, format->wf.nSamplesPerSec,
 287           format->wf.nChannels, format->wf.nAvgBytesPerSec);
 288     TRACE("Position in bytes=%u\n", position);
 289
 290     switch (lpTime->wType) {
 291     case TIME_SAMPLES:
 292         lpTime->u.sample = position / (format->wBitsPerSample / 8 * format->wf.nChannels);
 293         TRACE("TIME_SAMPLES=%u\n", lpTime->u.sample);
 294         break;
 295     case TIME_MS:
 296         lpTime->u.ms = 1000.0 * position / (format->wBitsPerSample / 8 * format->wf.nChannels * format->wf.nSamplesPerSec);
 297         TRACE("TIME_MS=%u\n", lpTime->u.ms);
 298         break;
 299     case TIME_SMPTE:
 300         lpTime->u.smpte.fps = 30;
 301         position = position / (format->wBitsPerSample / 8 * format->wf.nChannels);
 302         position += (format->wf.nSamplesPerSec / lpTime->u.smpte.fps) - 1; /* round up */
 303         lpTime->u.smpte.sec = position / format->wf.nSamplesPerSec;
 304         position -= lpTime->u.smpte.sec * format->wf.nSamplesPerSec;
 305         lpTime->u.smpte.min = lpTime->u.smpte.sec / 60;
 306         lpTime->u.smpte.sec -= 60 * lpTime->u.smpte.min;
 307         lpTime->u.smpte.hour = lpTime->u.smpte.min / 60;
 308         lpTime->u.smpte.min -= 60 * lpTime->u.smpte.hour;
 309         lpTime->u.smpte.fps = 30;
 310         lpTime->u.smpte.frame = position * lpTime->u.smpte.fps / format->wf.nSamplesPerSec;
 311         TRACE("TIME_SMPTE=%02u:%02u:%02u:%02u\n",
 312               lpTime->u.smpte.hour, lpTime->u.smpte.min,
 313               lpTime->u.smpte.sec, lpTime->u.smpte.frame);
 314         break;
 315     default:
 316         WARN("Format %d not supported, using TIME_BYTES !\n", lpTime->wType);
 317         lpTime->wType = TIME_BYTES;
 318         /* fall through */
 319     case TIME_BYTES:
 320         lpTime->u.cb = position;
 321         TRACE("TIME_BYTES=%u\n", lpTime->u.cb);
 322         break;
 323     }
 324     return MMSYSERR_NOERROR;
 325 }
 326
 327 /*======================================================================*
 328  *                  Low level WAVE implementation                       *
 329  *======================================================================*/
 330 #if 0
 331 /* Volume functions derived from Alsaplayer source */
 332 /* length is the number of 16 bit samples */
 333 static void volume_effect16(void *bufin, void* bufout, int length, int left,
 334                             int right, int nChannels)
 335 {
 336   short *d_out = bufout;
 337   short *d_in = bufin;
 338   int i, v;
 339
 340 /*
 341   TRACE("length == %d, nChannels == %d\n", length, nChannels);
 342 */
 343
 344   if (right == -1) right = left;
 345
 346   for(i = 0; i < length; i+=(nChannels))
 347   {
 348     v = (int) ((*(d_in++) * left) / 100);
 349     *(d_out++) = (v>32767) ? 32767 : ((v<-32768) ? -32768 : v);
 350     if(nChannels == 2)
 351     {
 352       v = (int) ((*(d_in++) * right) / 100);
 353       *(d_out++) = (v>32767) ? 32767 : ((v<-32768) ? -32768 : v);
 354     }
 355   }
 356 }
 357
 358 /* length is the number of 8 bit samples */
 359 static void volume_effect8(void *bufin, void* bufout, int length, int left,
 360                            int right, int nChannels)
 361 {
 362   char *d_out = bufout;
 363   char *d_in = bufin;
 364   int i, v;
 365
 366 /*
 367   TRACE("length == %d, nChannels == %d\n", length, nChannels);
 368 */
 369
 370   if (right == -1) right = left;
 371
 372   for(i = 0; i < length; i+=(nChannels))
 373   {
 374     v = (char) ((*(d_in++) * left) / 100);
 375     *(d_out++) = (v>255) ? 255 : ((v<0) ? 0 : v);
 376     if(nChannels == 2)
 377     {
 378       v = (char) ((*(d_in++) * right) / 100);
 379       *(d_out++) = (v>255) ? 255 : ((v<0) ? 0 : v);
 380     }
 381   }
 382 }
 383 #endif
 384
 385 /******************************************************************
 386  *              NAS_CloseDevice
 387  *
 388  */
 389 static void NAS_CloseDevice(WINE_WAVEOUT* wwo)
 390 {
 391   TRACE("NAS_CloseDevice\n");
 392   nas_close(wwo);
 393 }
 394
 395 /******************************************************************
 396  *              NAS_WaveClose
 397  */
 398 static LONG NAS_WaveClose(void)
 399 {
 400     nas_end();    /* free up nas server */
 401     return 1;
 402 }
 403
 404 /******************************************************************
 405  *              NAS_WaveInit
 406  *
 407  * Initialize internal structures from NAS server info
 408  */
 409 static LONG NAS_WaveInit(void)
 410 {
 411     int         i;
 412     if (!nas_init()) return MMSYSERR_ERROR;
 413
 414     /* initialize all device handles to -1 */
 415     for (i = 0; i < MAX_WAVEOUTDRV; ++i)
 416     {
 417         static const WCHAR ini[] = {'N','A','S',' ','W','A','V','E','O','U','T',' ','D','r','i','v','e','r',0};
 418         memset(&WOutDev[i].caps, 0, sizeof(WOutDev[i].caps)); /* zero out caps values */
 419
 420         WOutDev[i].AuServ = AuServ;
 421         WOutDev[i].AuDev = AuNone;
 422         WOutDev[i].Id = i;
 423         WOutDev[i].caps.wMid = 0x00FF;  /* Manufac ID */
 424         WOutDev[i].caps.wPid = 0x0001;  /* Product ID */
 425         strcpyW(WOutDev[i].caps.szPname, ini);
 426         WOutDev[i].AuFlow = 0;
 427         WOutDev[i].caps.vDriverVersion = 0x0100;
 428         WOutDev[i].caps.dwFormats = 0x00000000;
 429         WOutDev[i].caps.dwSupport = WAVECAPS_VOLUME;
 430
 431         WOutDev[i].caps.wChannels = 2;
 432         WOutDev[i].caps.dwSupport |= WAVECAPS_LRVOLUME;
 433
 434         WOutDev[i].caps.dwFormats |= WAVE_FORMAT_4M08;
 435         WOutDev[i].caps.dwFormats |= WAVE_FORMAT_4S08;
 436         WOutDev[i].caps.dwFormats |= WAVE_FORMAT_4S16;
 437         WOutDev[i].caps.dwFormats |= WAVE_FORMAT_4M16;
 438         WOutDev[i].caps.dwFormats |= WAVE_FORMAT_2M08;
 439         WOutDev[i].caps.dwFormats |= WAVE_FORMAT_2S08;
 440         WOutDev[i].caps.dwFormats |= WAVE_FORMAT_2M16;
 441         WOutDev[i].caps.dwFormats |= WAVE_FORMAT_2S16;
 442         WOutDev[i].caps.dwFormats |= WAVE_FORMAT_1M08;
 443         WOutDev[i].caps.dwFormats |= WAVE_FORMAT_1S08;
 444         WOutDev[i].caps.dwFormats |= WAVE_FORMAT_1M16;
 445         WOutDev[i].caps.dwFormats |= WAVE_FORMAT_1S16;
 446     }
 447
 448
 449     return 0;
 450 }
 451
 452 /******************************************************************
 453  *              NAS_InitRingMessage
 454  *
 455  * Initialize the ring of messages for passing between driver's caller and playback/record
 456  * thread
 457  */
 458 static int NAS_InitRingMessage(MSG_RING* mr)
 459 {
 460     mr->msg_toget = 0;
 461     mr->msg_tosave = 0;
 462     mr->msg_event = CreateEventW(NULL, FALSE, FALSE, NULL);
 463     mr->ring_buffer_size = NAS_RING_BUFFER_INCREMENT;
 464     mr->messages = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,mr->ring_buffer_size * sizeof(RING_MSG));
 465     InitializeCriticalSection(&mr->msg_crst);
 466     mr->msg_crst.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": MSG_RING.msg_crst");
 467     return 0;
 468 }
 469
 470 /******************************************************************
 471  *              NAS_DestroyRingMessage
 472  *
 473  */
 474 static int NAS_DestroyRingMessage(MSG_RING* mr)
 475 {
 476     CloseHandle(mr->msg_event);
 477     HeapFree(GetProcessHeap(),0,mr->messages);
 478     mr->msg_crst.DebugInfo->Spare[0] = 0;
 479     DeleteCriticalSection(&mr->msg_crst);
 480     return 0;
 481 }
 482
 483 /******************************************************************
 484  *              NAS_AddRingMessage
 485  *
 486  * Inserts a new message into the ring (should be called from DriverProc derived routines)
 487  */
 488 static int NAS_AddRingMessage(MSG_RING* mr, enum win_wm_message msg, DWORD param, BOOL wait)
 489 {
 490     HANDLE      hEvent = INVALID_HANDLE_VALUE;
 491
 492     EnterCriticalSection(&mr->msg_crst);
 493     if ((mr->msg_toget == ((mr->msg_tosave + 1) % mr->ring_buffer_size)))
 494     {
 495         int old_ring_buffer_size = mr->ring_buffer_size;
 496         mr->ring_buffer_size += NAS_RING_BUFFER_INCREMENT;
 497         TRACE("omr->ring_buffer_size=%d\n",mr->ring_buffer_size);
 498         mr->messages = HeapReAlloc(GetProcessHeap(),0,mr->messages, mr->ring_buffer_size * sizeof(RING_MSG));
 499         /* Now we need to rearrange the ring buffer so that the new
 500            buffers just allocated are in between mr->msg_tosave and
 501            mr->msg_toget.
 502         */
 503         if (mr->msg_tosave < mr->msg_toget)
 504         {
 505             memmove(&(mr->messages[mr->msg_toget + NAS_RING_BUFFER_INCREMENT]),
 506                     &(mr->messages[mr->msg_toget]),
 507                     sizeof(RING_MSG)*(old_ring_buffer_size - mr->msg_toget)
 508                     );
 509             mr->msg_toget += NAS_RING_BUFFER_INCREMENT;
 510         }
 511     }
 512     if (wait)
 513     {
 514         hEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
 515         if (hEvent == INVALID_HANDLE_VALUE)
 516         {
 517             ERR("can't create event !?\n");
 518             LeaveCriticalSection(&mr->msg_crst);
 519             return 0;
 520         }
 521         if (mr->msg_toget != mr->msg_tosave && mr->messages[mr->msg_toget].msg != WINE_WM_HEADER)
 522             FIXME("two fast messages in the queue!!!!\n");
 523
 524         /* fast messages have to be added at the start of the queue */
 525         mr->msg_toget = (mr->msg_toget + mr->ring_buffer_size - 1) % mr->ring_buffer_size;
 526
 527         mr->messages[mr->msg_toget].msg = msg;
 528         mr->messages[mr->msg_toget].param = param;
 529         mr->messages[mr->msg_toget].hEvent = hEvent;
 530     }
 531     else
 532     {
 533         mr->messages[mr->msg_tosave].msg = msg;
 534         mr->messages[mr->msg_tosave].param = param;
 535         mr->messages[mr->msg_tosave].hEvent = INVALID_HANDLE_VALUE;
 536         mr->msg_tosave = (mr->msg_tosave + 1) % mr->ring_buffer_size;
 537     }
 538
 539     LeaveCriticalSection(&mr->msg_crst);
 540
 541     SetEvent(mr->msg_event);    /* signal a new message */
 542
 543     if (wait)
 544     {
 545         /* wait for playback/record thread to have processed the message */
 546         WaitForSingleObject(hEvent, INFINITE);
 547         CloseHandle(hEvent);
 548     }
 549
 550     return 1;
 551 }
 552
 553 /******************************************************************
 554  *              NAS_RetrieveRingMessage
 555  *
 556  * Get a message from the ring. Should be called by the playback/record thread.
 557  */
 558 static int NAS_RetrieveRingMessage(MSG_RING* mr, enum win_wm_message *msg,
 559                                    DWORD_PTR *param, HANDLE *hEvent)
 560 {
 561     EnterCriticalSection(&mr->msg_crst);
 562
 563     if (mr->msg_toget == mr->msg_tosave) /* buffer empty ? */
 564     {
 565         LeaveCriticalSection(&mr->msg_crst);
 566         return 0;
 567     }
 568
 569     *msg = mr->messages[mr->msg_toget].msg;
 570     mr->messages[mr->msg_toget].msg = 0;
 571     *param = mr->messages[mr->msg_toget].param;
 572     *hEvent = mr->messages[mr->msg_toget].hEvent;
 573     mr->msg_toget = (mr->msg_toget + 1) % mr->ring_buffer_size;
 574     LeaveCriticalSection(&mr->msg_crst);
 575     return 1;
 576 }
 577
 578 /*======================================================================*
 579  *                  Low level WAVE OUT implementation                   *
 580  *======================================================================*/
 581
 582 /**************************************************************************
 583  *                      wodNotifyClient                 [internal]
 584  */
 585 static DWORD wodNotifyClient(WINE_WAVEOUT* wwo, WORD wMsg, DWORD_PTR dwParam1,
 586                              DWORD_PTR dwParam2)
 587 {
 588     TRACE("wMsg = 0x%04x dwParm1 = %08lX dwParam2 = %08lX\n", wMsg, dwParam1, dwParam2);
 589
 590     switch (wMsg) {
 591     case WOM_OPEN:
 592     case WOM_CLOSE:
 593     case WOM_DONE:
 594         if (wwo->wFlags != DCB_NULL &&
 595             !DriverCallback(wwo->waveDesc.dwCallback, wwo->wFlags, (HDRVR)wwo->waveDesc.hWave,
 596                             wMsg, wwo->waveDesc.dwInstance, dwParam1, dwParam2)) {
 597             WARN("can't notify client !\n");
 598             return MMSYSERR_ERROR;
 599         }
 600         break;
 601     default:
 602         FIXME("Unknown callback message %u\n", wMsg);
 603         return MMSYSERR_INVALPARAM;
 604     }
 605     return MMSYSERR_NOERROR;
 606 }
 607
 608 /**************************************************************************
 609  *                              wodUpdatePlayedTotal    [internal]
 610  *
 611  */
 612 static BOOL wodUpdatePlayedTotal(WINE_WAVEOUT* wwo)
 613 {
 614     wwo->PlayedTotal = wwo->WrittenTotal;
 615     return TRUE;
 616 }
 617
 618 /**************************************************************************
 619  *                              wodPlayer_BeginWaveHdr          [internal]
 620  *
 621  * Makes the specified lpWaveHdr the currently playing wave header.
 622  * If the specified wave header is a begin loop and we're not already in
 623  * a loop, setup the loop.
 624  */
 625 static void wodPlayer_BeginWaveHdr(WINE_WAVEOUT* wwo, LPWAVEHDR lpWaveHdr)
 626 {
 627     wwo->lpPlayPtr = lpWaveHdr;
 628
 629     if (!lpWaveHdr) return;
 630
 631     if (lpWaveHdr->dwFlags & WHDR_BEGINLOOP) {
 632         if (wwo->lpLoopPtr) {
 633             WARN("Already in a loop. Discarding loop on this header (%p)\n", lpWaveHdr);
 634             TRACE("Already in a loop. Discarding loop on this header (%p)\n", lpWaveHdr);
 635         } else {
 636             TRACE("Starting loop (%dx) with %p\n", lpWaveHdr->dwLoops, lpWaveHdr);
 637             wwo->lpLoopPtr = lpWaveHdr;
 638             /* Windows does not touch WAVEHDR.dwLoops,
 639              * so we need to make an internal copy */
 640             wwo->dwLoops = lpWaveHdr->dwLoops;
 641         }
 642     }
 643 }
 644
 645 /**************************************************************************
 646  *                              wodPlayer_PlayPtrNext           [internal]
 647  *
 648  * Advance the play pointer to the next waveheader, looping if required.
 649  */
 650 static LPWAVEHDR wodPlayer_PlayPtrNext(WINE_WAVEOUT* wwo)
 651 {
 652     LPWAVEHDR lpWaveHdr = wwo->lpPlayPtr;
 653
 654     if ((lpWaveHdr->dwFlags & WHDR_ENDLOOP) && wwo->lpLoopPtr) {
 655         /* We're at the end of a loop, loop if required */
 656         if (--wwo->dwLoops > 0) {
 657             wwo->lpPlayPtr = wwo->lpLoopPtr;
 658         } else {
 659             /* Handle overlapping loops correctly */
 660             if (wwo->lpLoopPtr != lpWaveHdr && (lpWaveHdr->dwFlags & WHDR_BEGINLOOP)) {
 661                 FIXME("Correctly handled case ? (ending loop buffer also starts a new loop)\n");
 662                 /* shall we consider the END flag for the closing loop or for
 663                  * the opening one or for both ???
 664                  * code assumes for closing loop only
 665                  */
 666             } else {
 667                 lpWaveHdr = lpWaveHdr->lpNext;
 668             }
 669             wwo->lpLoopPtr = NULL;
 670             wodPlayer_BeginWaveHdr(wwo, lpWaveHdr);
 671         }
 672     } else {
 673         /* We're not in a loop.  Advance to the next wave header */
 674         wodPlayer_BeginWaveHdr(wwo, lpWaveHdr = lpWaveHdr->lpNext);
 675     }
 676     return lpWaveHdr;
 677 }
 678
 679 /**************************************************************************
 680  *                              wodPlayer_NotifyCompletions     [internal]
 681  *
 682  * Notifies and remove from queue all wavehdrs which have been played to
 683  * the speaker (ie. they have cleared the audio device).  If force is true,
 684  * we notify all wavehdrs and remove them all from the queue even if they
 685  * are unplayed or part of a loop.
 686  */
 687 static DWORD wodPlayer_NotifyCompletions(WINE_WAVEOUT* wwo, BOOL force)
 688 {
 689     LPWAVEHDR           lpWaveHdr;
 690
 691     /* Start from lpQueuePtr and keep notifying until:
 692      * - we hit an unwritten wavehdr
 693      * - we hit the beginning of a running loop
 694      * - we hit a wavehdr which hasn't finished playing
 695      */
 696     wodUpdatePlayedTotal(wwo);
 697
 698     while ((lpWaveHdr = wwo->lpQueuePtr) && (force || (lpWaveHdr != wwo->lpPlayPtr &&
 699             lpWaveHdr != wwo->lpLoopPtr && lpWaveHdr->reserved <= wwo->PlayedTotal))) {
 700
 701         wwo->lpQueuePtr = lpWaveHdr->lpNext;
 702
 703         lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
 704         lpWaveHdr->dwFlags |= WHDR_DONE;
 705
 706         wodNotifyClient(wwo, WOM_DONE, (DWORD_PTR)lpWaveHdr, 0);
 707     }
 708     return  (lpWaveHdr && lpWaveHdr != wwo->lpPlayPtr && lpWaveHdr != wwo->lpLoopPtr) ?
 709             1 : 1;
 710 }
 711
 712 /**************************************************************************
 713  *                              wodPlayer_Reset                 [internal]
 714  *
 715  * wodPlayer helper. Resets current output stream.
 716  */
 717 static  void    wodPlayer_Reset(WINE_WAVEOUT* wwo, BOOL reset)
 718 {
 719     wodUpdatePlayedTotal(wwo);
 720     wodPlayer_NotifyCompletions(wwo, FALSE); /* updates current notify list */
 721
 722     /* we aren't able to flush any data that has already been written */
 723     /* to nas, otherwise we would do the flushing here */
 724
 725     nas_free(wwo);
 726
 727     if (reset) {
 728         enum win_wm_message     msg;
 729         DWORD_PTR               param;
 730         HANDLE                  ev;
 731
 732         /* remove any buffer */
 733         wodPlayer_NotifyCompletions(wwo, TRUE);
 734
 735         wwo->lpPlayPtr = wwo->lpQueuePtr = wwo->lpLoopPtr = NULL;
 736         wwo->state = WINE_WS_STOPPED;
 737         wwo->PlayedTotal = wwo->WrittenTotal = 0;
 738
 739         /* remove any existing message in the ring */
 740         EnterCriticalSection(&wwo->msgRing.msg_crst);
 741
 742         /* return all pending headers in queue */
 743         while (NAS_RetrieveRingMessage(&wwo->msgRing, &msg, &param, &ev))
 744         {
 745             TRACE("flushing msg\n");
 746             if (msg != WINE_WM_HEADER)
 747             {
 748                 FIXME("shouldn't have headers left\n");
 749                 SetEvent(ev);
 750                 continue;
 751             }
 752             ((LPWAVEHDR)param)->dwFlags &= ~WHDR_INQUEUE;
 753             ((LPWAVEHDR)param)->dwFlags |= WHDR_DONE;
 754
 755             wodNotifyClient(wwo, WOM_DONE, param, 0);
 756         }
 757         ResetEvent(wwo->msgRing.msg_event);
 758         LeaveCriticalSection(&wwo->msgRing.msg_crst);
 759     } else {
 760         if (wwo->lpLoopPtr) {
 761             /* complicated case, not handled yet (could imply modifying the loop counter */
 762             FIXME("Pausing while in loop isn't correctly handled yet, expec strange results\n");
 763             wwo->lpPlayPtr = wwo->lpLoopPtr;
 764             wwo->WrittenTotal = wwo->PlayedTotal; /* this is wrong !!! */
 765         } else {
 766             /* the data already written is going to be played, so take */
 767             /* this fact into account here */
 768             wwo->PlayedTotal = wwo->WrittenTotal;
 769         }
 770         wwo->state = WINE_WS_PAUSED;
 771     }
 772 }
 773
 774 /**************************************************************************
 775  *                    wodPlayer_ProcessMessages                 [internal]
 776  */
 777 static void wodPlayer_ProcessMessages(WINE_WAVEOUT* wwo)
 778 {
 779     LPWAVEHDR           lpWaveHdr;
 780     enum win_wm_message msg;
 781     DWORD_PTR           param;
 782     HANDLE              ev;
 783
 784     while (NAS_RetrieveRingMessage(&wwo->msgRing, &msg, &param, &ev)) {
 785         TRACE("Received %s %lx\n", wodPlayerCmdString[msg - WM_USER - 1], param);
 786         switch (msg) {
 787         case WINE_WM_PAUSING:
 788             wodPlayer_Reset(wwo, FALSE);
 789             SetEvent(ev);
 790             break;
 791         case WINE_WM_RESTARTING:
 792             wwo->state = WINE_WS_PLAYING;
 793             SetEvent(ev);
 794             break;
 795         case WINE_WM_HEADER:
 796             lpWaveHdr = (LPWAVEHDR)param;
 797
 798             /* insert buffer at the end of queue */
 799             {
 800                 LPWAVEHDR*      wh;
 801                 for (wh = &(wwo->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
 802                 *wh = lpWaveHdr;
 803             }
 804             if (!wwo->lpPlayPtr)
 805                 wodPlayer_BeginWaveHdr(wwo,lpWaveHdr);
 806             if (wwo->state == WINE_WS_STOPPED)
 807                 wwo->state = WINE_WS_PLAYING;
 808             break;
 809         case WINE_WM_RESETTING:
 810             wodPlayer_Reset(wwo, TRUE);
 811             SetEvent(ev);
 812             break;
 813         case WINE_WM_UPDATE:
 814             wodUpdatePlayedTotal(wwo);
 815             SetEvent(ev);
 816             break;
 817         case WINE_WM_BREAKLOOP:
 818             if (wwo->state == WINE_WS_PLAYING && wwo->lpLoopPtr != NULL) {
 819                 /* ensure exit at end of current loop */
 820                 wwo->dwLoops = 1;
 821             }
 822             SetEvent(ev);
 823             break;
 824         case WINE_WM_CLOSING:
 825             /* sanity check: this should not happen since the device must have been reset before */
 826             if (wwo->lpQueuePtr || wwo->lpPlayPtr) ERR("out of sync\n");
 827             wwo->hThread = 0;
 828             wwo->state = WINE_WS_CLOSED;
 829             SetEvent(ev);
 830             ExitThread(0);
 831             /* shouldn't go here */
 832         default:
 833             FIXME("unknown message %d\n", msg);
 834             break;
 835         }
 836     }
 837 }
 838
 839 /**************************************************************************
 840  *                              wodPlayer                       [internal]
 841  */
 842 static  DWORD   CALLBACK        wodPlayer(LPVOID pmt)
 843 {
 844     WORD       uDevID = (DWORD_PTR)pmt;
 845     WINE_WAVEOUT* wwo = &WOutDev[uDevID];
 846
 847     wwo->state = WINE_WS_STOPPED;
 848     SetEvent(wwo->hStartUpEvent);
 849
 850     for (;;) {
 851
 852         if (wwo->FlowStarted) {
 853            AuHandleEvents(wwo->AuServ);
 854
 855            if (wwo->state == WINE_WS_PLAYING && wwo->freeBytes && wwo->BufferUsed)
 856               nas_send_buffer(wwo);
 857         }
 858
 859         if (wwo->BufferUsed <= FRAG_SIZE && wwo->writeBytes > 0)
 860            wodPlayer_NotifyCompletions(wwo, FALSE);
 861
 862         WaitForSingleObject(wwo->msgRing.msg_event, 20);
 863         wodPlayer_ProcessMessages(wwo);
 864
 865         while(wwo->lpPlayPtr) {
 866            wwo->lpPlayPtr->reserved = wwo->WrittenTotal + wwo->lpPlayPtr->dwBufferLength;
 867            nas_add_buffer(wwo);
 868            wodPlayer_PlayPtrNext(wwo);
 869         }
 870     return 0;
 871     }
 872 }
 873
 874 /**************************************************************************
 875  *                      wodGetDevCaps                           [internal]
 876  */
 877 static DWORD wodGetDevCaps(WORD wDevID, LPWAVEOUTCAPSW lpCaps, DWORD dwSize)
 878 {
 879     TRACE("(%u, %p, %u);\n", wDevID, lpCaps, dwSize);
 880
 881     if (lpCaps == NULL) return MMSYSERR_NOTENABLED;
 882
 883     if (wDevID >= MAX_WAVEOUTDRV) {
 884         TRACE("MAX_WAVOUTDRV reached !\n");
 885         return MMSYSERR_BADDEVICEID;
 886     }
 887
 888     memcpy(lpCaps, &WOutDev[wDevID].caps, min(dwSize, sizeof(*lpCaps)));
 889     return MMSYSERR_NOERROR;
 890 }
 891
 892 /**************************************************************************
 893  *                              wodOpen                         [internal]
 894  */
 895 static DWORD wodOpen(WORD wDevID, LPWAVEOPENDESC lpDesc, DWORD dwFlags)
 896 {
 897     WINE_WAVEOUT*       wwo;
 898
 899     TRACE("wodOpen (%u, %p, %08X);\n", wDevID, lpDesc, dwFlags);
 900
 901     if (lpDesc == NULL) {
 902         WARN("Invalid Parameter !\n");
 903         return MMSYSERR_INVALPARAM;
 904     }
 905     if (wDevID >= MAX_WAVEOUTDRV) {
 906         TRACE("MAX_WAVOUTDRV reached !\n");
 907         return MMSYSERR_BADDEVICEID;
 908     }
 909
 910     /* if this device is already open tell the app that it is allocated */
 911
 912     wwo = &WOutDev[wDevID];
 913
 914     if(wwo->open)
 915     {
 916       TRACE("device already allocated\n");
 917       return MMSYSERR_ALLOCATED;
 918     }
 919
 920
 921     /* only PCM format is supported so far... */
 922     if (lpDesc->lpFormat->wFormatTag != WAVE_FORMAT_PCM ||
 923         lpDesc->lpFormat->nChannels == 0 ||
 924         lpDesc->lpFormat->nSamplesPerSec == 0 ||
 925         (lpDesc->lpFormat->wBitsPerSample!=8 && lpDesc->lpFormat->wBitsPerSample!=16)) {
 926         WARN("Bad format: tag=%04X nChannels=%d nSamplesPerSec=%d !\n",
 927              lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
 928              lpDesc->lpFormat->nSamplesPerSec);
 929         return WAVERR_BADFORMAT;
 930     }
 931
 932     if (dwFlags & WAVE_FORMAT_QUERY) {
 933         TRACE("Query format: tag=%04X nChannels=%d nSamplesPerSec=%d !\n",
 934              lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
 935              lpDesc->lpFormat->nSamplesPerSec);
 936         return MMSYSERR_NOERROR;
 937     }
 938
 939     /* direct sound not supported, ignore the flag */
 940     dwFlags &= ~WAVE_DIRECTSOUND;
 941
 942     wwo->wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
 943
 944     wwo->waveDesc = *lpDesc;
 945     memcpy(&wwo->format,   lpDesc->lpFormat, sizeof(PCMWAVEFORMAT));
 946
 947     if (wwo->format.wBitsPerSample == 0) {
 948         WARN("Resetting zeroed wBitsPerSample\n");
 949         wwo->format.wBitsPerSample = 8 *
 950             (wwo->format.wf.nAvgBytesPerSec /
 951              wwo->format.wf.nSamplesPerSec) /
 952             wwo->format.wf.nChannels;
 953     }
 954
 955     if (!nas_open(wwo))
 956        return MMSYSERR_ALLOCATED;
 957
 958     NAS_InitRingMessage(&wwo->msgRing);
 959
 960     /* create player thread */
 961     if (!(dwFlags & WAVE_DIRECTSOUND)) {
 962         wwo->hStartUpEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
 963         wwo->hThread = CreateThread(NULL, 0, wodPlayer, (LPVOID)(DWORD_PTR)wDevID,
 964                                     0, &(wwo->dwThreadID));
 965         if (wwo->hThread)
 966             SetThreadPriority(wwo->hThread, THREAD_PRIORITY_TIME_CRITICAL);
 967         WaitForSingleObject(wwo->hStartUpEvent, INFINITE);
 968         CloseHandle(wwo->hStartUpEvent);
 969     } else {
 970         wwo->hThread = INVALID_HANDLE_VALUE;
 971         wwo->dwThreadID = 0;
 972     }
 973     wwo->hStartUpEvent = INVALID_HANDLE_VALUE;
 974
 975     TRACE("stream=0x%lx, BufferSize=%d\n", (long)wwo->AuServ, wwo->BufferSize);
 976
 977     TRACE("wBitsPerSample=%u nAvgBytesPerSec=%u nSamplesPerSec=%u nChannels=%u nBlockAlign=%u\n",
 978           wwo->format.wBitsPerSample, wwo->format.wf.nAvgBytesPerSec,
 979           wwo->format.wf.nSamplesPerSec, wwo->format.wf.nChannels,
 980           wwo->format.wf.nBlockAlign);
 981
 982     return wodNotifyClient(wwo, WOM_OPEN, 0L, 0L);
 983 }
 984
 985 /**************************************************************************
 986  *                              wodClose                        [internal]
 987  */
 988 static DWORD wodClose(WORD wDevID)
 989 {
 990     DWORD               ret = MMSYSERR_NOERROR;
 991     WINE_WAVEOUT*       wwo;
 992
 993     TRACE("(%u);\n", wDevID);
 994
 995     if (wDevID >= MAX_WAVEOUTDRV || AuServ  == NULL)
 996     {
 997         WARN("bad device ID !\n");
 998         return MMSYSERR_BADDEVICEID;
 999     }
1000
1001     wwo = &WOutDev[wDevID];
1002     if (wwo->lpQueuePtr) {
1003         WARN("buffers still playing !\n");
1004         ret = WAVERR_STILLPLAYING;
1005     } else {
1006         TRACE("imhere[3-close]\n");
1007         if (wwo->hThread != INVALID_HANDLE_VALUE) {
1008             NAS_AddRingMessage(&wwo->msgRing, WINE_WM_CLOSING, 0, TRUE);
1009         }
1010
1011         NAS_DestroyRingMessage(&wwo->msgRing);
1012
1013         NAS_CloseDevice(wwo);   /* close the stream and clean things up */
1014
1015         ret = wodNotifyClient(wwo, WOM_CLOSE, 0L, 0L);
1016     }
1017     return ret;
1018 }
1019
1020 /**************************************************************************
1021  *                              wodWrite                        [internal]
1022  *
1023  */
1024 static DWORD wodWrite(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
1025 {
1026     TRACE("(%u, %p, %08X);\n", wDevID, lpWaveHdr, dwSize);
1027
1028     /* first, do the sanity checks... */
1029     if (wDevID >= MAX_WAVEOUTDRV || AuServ == NULL)
1030     {
1031         WARN("bad dev ID !\n");
1032         return MMSYSERR_BADDEVICEID;
1033     }
1034
1035     if (lpWaveHdr->lpData == NULL || !(lpWaveHdr->dwFlags & WHDR_PREPARED))
1036     {
1037         TRACE("unprepared\n");
1038         return WAVERR_UNPREPARED;
1039     }
1040
1041     if (lpWaveHdr->dwFlags & WHDR_INQUEUE)
1042     {
1043         TRACE("still playing\n");
1044         return WAVERR_STILLPLAYING;
1045     }
1046
1047     lpWaveHdr->dwFlags &= ~WHDR_DONE;
1048     lpWaveHdr->dwFlags |= WHDR_INQUEUE;
1049     lpWaveHdr->lpNext = 0;
1050
1051     TRACE("adding ring message\n");
1052     NAS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_HEADER, (DWORD_PTR)lpWaveHdr, FALSE);
1053
1054     return MMSYSERR_NOERROR;
1055 }
1056
1057 /**************************************************************************
1058  *                      wodPause                                [internal]
1059  */
1060 static DWORD wodPause(WORD wDevID)
1061 {
1062     TRACE("(%u);!\n", wDevID);
1063
1064     if (wDevID >= MAX_WAVEOUTDRV || AuServ == NULL)
1065     {
1066         WARN("bad device ID !\n");
1067         return MMSYSERR_BADDEVICEID;
1068     }
1069
1070     TRACE("imhere[3-PAUSING]\n");
1071     NAS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_PAUSING, 0, TRUE);
1072
1073     return MMSYSERR_NOERROR;
1074 }
1075
1076 /**************************************************************************
1077  *                      wodRestart                              [internal]
1078  */
1079 static DWORD wodRestart(WORD wDevID)
1080 {
1081     TRACE("(%u);\n", wDevID);
1082
1083     if (wDevID >= MAX_WAVEOUTDRV || AuServ == NULL)
1084     {
1085         WARN("bad device ID !\n");
1086         return MMSYSERR_BADDEVICEID;
1087     }
1088
1089     if (WOutDev[wDevID].state == WINE_WS_PAUSED) {
1090         TRACE("imhere[3-RESTARTING]\n");
1091         NAS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_RESTARTING, 0, TRUE);
1092     }
1093
1094     /* FIXME: is NotifyClient with WOM_DONE right ? (Comet Busters 1.3.3 needs this notification) */
1095     /* FIXME: Myst crashes with this ... hmm -MM
1096        return wodNotifyClient(wwo, WOM_DONE, 0L, 0L);
1097     */
1098
1099     return MMSYSERR_NOERROR;
1100 }
1101
1102 /**************************************************************************
1103  *                      wodReset                                [internal]
1104  */
1105 static DWORD wodReset(WORD wDevID)
1106 {
1107     TRACE("(%u);\n", wDevID);
1108
1109     if (wDevID >= MAX_WAVEOUTDRV || AuServ == NULL)
1110     {
1111         WARN("bad device ID !\n");
1112         return MMSYSERR_BADDEVICEID;
1113     }
1114
1115     TRACE("imhere[3-RESET]\n");
1116     NAS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_RESETTING, 0, TRUE);
1117
1118     return MMSYSERR_NOERROR;
1119 }
1120
1121 /**************************************************************************
1122  *                              wodGetPosition                  [internal]
1123  */
1124 static DWORD wodGetPosition(WORD wDevID, LPMMTIME lpTime, DWORD uSize)
1125 {
1126     WINE_WAVEOUT*       wwo;
1127
1128     TRACE("%u, %p, %u);\n", wDevID, lpTime, uSize);
1129
1130     if (wDevID >= MAX_WAVEOUTDRV || AuServ == NULL)
1131     {
1132         WARN("bad device ID !\n");
1133         return MMSYSERR_BADDEVICEID;
1134     }
1135
1136     if (lpTime == NULL) return MMSYSERR_INVALPARAM;
1137
1138     wwo = &WOutDev[wDevID];
1139 #if 0
1140     NAS_AddRingMessage(&wwo->msgRing, WINE_WM_UPDATE, 0, TRUE);
1141 #endif
1142
1143     return bytes_to_mmtime(lpTime, wwo->WrittenTotal, &wwo->format);
1144 }
1145
1146 /**************************************************************************
1147  *                              wodBreakLoop                    [internal]
1148  */
1149 static DWORD wodBreakLoop(WORD wDevID)
1150 {
1151     TRACE("(%u);\n", wDevID);
1152
1153     if (wDevID >= MAX_WAVEOUTDRV || AuServ == NULL)
1154     {
1155         WARN("bad device ID !\n");
1156         return MMSYSERR_BADDEVICEID;
1157     }
1158     NAS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_BREAKLOOP, 0, TRUE);
1159     return MMSYSERR_NOERROR;
1160 }
1161
1162 /**************************************************************************
1163  *                              wodGetVolume                    [internal]
1164  */
1165 static DWORD wodGetVolume(WORD wDevID, LPDWORD lpdwVol)
1166 {
1167     DWORD left, right;
1168
1169     left = WOutDev[wDevID].volume_left;
1170     right = WOutDev[wDevID].volume_right;
1171
1172     TRACE("(%u, %p);\n", wDevID, lpdwVol);
1173
1174     *lpdwVol = ((left * 0xFFFFl) / 100) + (((right * 0xFFFFl) / 100) << 16);
1175
1176     return MMSYSERR_NOERROR;
1177 }
1178
1179 /**************************************************************************
1180  *                              wodSetVolume                    [internal]
1181  */
1182 static DWORD wodSetVolume(WORD wDevID, DWORD dwParam)
1183 {
1184     DWORD left, right;
1185
1186     left  = (LOWORD(dwParam) * 100) / 0xFFFFl;
1187     right = (HIWORD(dwParam) * 100) / 0xFFFFl;
1188
1189     TRACE("(%u, %08X);\n", wDevID, dwParam);
1190
1191     WOutDev[wDevID].volume_left = left;
1192     WOutDev[wDevID].volume_right = right;
1193
1194     return MMSYSERR_NOERROR;
1195 }
1196
1197 /**************************************************************************
1198  *                              wodGetNumDevs                   [internal]
1199  */
1200 static  DWORD   wodGetNumDevs(void)
1201 {
1202     return MAX_WAVEOUTDRV;
1203 }
1204
1205 /**************************************************************************
1206  *                              wodMessage (WINENAS.@)
1207  */
1208 DWORD WINAPI NAS_wodMessage(UINT wDevID, UINT wMsg, DWORD dwUser,
1209                             DWORD_PTR dwParam1, DWORD_PTR dwParam2)
1210 {
1211     TRACE("(%u, %04X, %08X, %08lX, %08lX);\n", wDevID, wMsg, dwUser, dwParam1, dwParam2);
1212
1213     switch (wMsg) {
1214     case DRVM_INIT:
1215         return NAS_WaveInit();
1216     case DRVM_EXIT:
1217         return NAS_WaveClose();
1218     case DRVM_ENABLE:
1219     case DRVM_DISABLE:
1220         /* FIXME: Pretend this is supported */
1221         return 0;
1222     case WODM_OPEN:             return wodOpen          (wDevID, (LPWAVEOPENDESC)dwParam1,      dwParam2);
1223     case WODM_CLOSE:            return wodClose         (wDevID);
1224     case WODM_WRITE:            return wodWrite         (wDevID, (LPWAVEHDR)dwParam1,           dwParam2);
1225     case WODM_PAUSE:            return wodPause         (wDevID);
1226     case WODM_GETPOS:           return wodGetPosition   (wDevID, (LPMMTIME)dwParam1,            dwParam2);
1227     case WODM_BREAKLOOP:        return wodBreakLoop     (wDevID);
1228     case WODM_PREPARE:          return MMSYSERR_NOTSUPPORTED;
1229     case WODM_UNPREPARE:        return MMSYSERR_NOTSUPPORTED;
1230     case WODM_GETDEVCAPS:       return wodGetDevCaps    (wDevID, (LPWAVEOUTCAPSW)dwParam1,      dwParam2);
1231     case WODM_GETNUMDEVS:       return wodGetNumDevs    ();
1232     case WODM_GETPITCH:         return MMSYSERR_NOTSUPPORTED;
1233     case WODM_SETPITCH:         return MMSYSERR_NOTSUPPORTED;
1234     case WODM_GETPLAYBACKRATE:  return MMSYSERR_NOTSUPPORTED;
1235     case WODM_SETPLAYBACKRATE:  return MMSYSERR_NOTSUPPORTED;
1236     case WODM_GETVOLUME:        return wodGetVolume     (wDevID, (LPDWORD)dwParam1);
1237     case WODM_SETVOLUME:        return wodSetVolume     (wDevID, dwParam1);
1238     case WODM_RESTART:          return wodRestart       (wDevID);
1239     case WODM_RESET:            return wodReset         (wDevID);
1240
1241     case DRV_QUERYDSOUNDIFACE:  return wodDsCreate      (wDevID, (PIDSDRIVER*)dwParam1);
1242     case DRV_QUERYDSOUNDDESC:   return wodDsDesc        (wDevID, (PDSDRIVERDESC)dwParam1);
1243     default:
1244         FIXME("unknown message %d!\n", wMsg);
1245     }
1246     return MMSYSERR_NOTSUPPORTED;
1247 }
1248
1249 /*======================================================================*
1250  *                  Low level DSOUND implementation                     *
1251  *======================================================================*/
1252 static DWORD wodDsCreate(UINT wDevID, PIDSDRIVER* drv)
1253 {
1254     /* we can't perform memory mapping as we don't have a file stream
1255         interface with nas like we do with oss */
1256     MESSAGE("This sound card s driver does not support direct access\n");
1257     MESSAGE("The (slower) DirectSound HEL mode will be used instead.\n");
1258     return MMSYSERR_NOTSUPPORTED;
1259 }
1260
1261 static DWORD wodDsDesc(UINT wDevID, PDSDRIVERDESC desc)
1262 {
1263     memset(desc, 0, sizeof(*desc));
1264     strcpy(desc->szDesc, "Wine NAS DirectSound Driver");
1265     strcpy(desc->szDrvname, "winenas.drv");
1266     return MMSYSERR_NOERROR;
1267 }
1268
1269 static int nas_init(void) {
1270     TRACE("NAS INIT\n");
1271     if (!(AuServ = AuOpenServer(NULL, 0, NULL, 0, NULL, NULL)))
1272        return 0;
1273
1274     return 1;
1275 }
1276
1277 static int nas_finddev(WINE_WAVEOUT* wwo) {
1278    int i;
1279
1280     for (i = 0; i < AuServerNumDevices(wwo->AuServ); i++) {
1281         if ((AuDeviceKind(AuServerDevice(wwo->AuServ, i)) ==
1282              AuComponentKindPhysicalOutput) &&
1283              AuDeviceNumTracks(AuServerDevice(wwo->AuServ, i)) == wwo->format.wf.nChannels)
1284         {
1285             wwo->AuDev = AuDeviceIdentifier(AuServerDevice(wwo->AuServ, i));
1286             break;
1287         }
1288     }
1289
1290     if (wwo->AuDev == AuNone)
1291        return 0;
1292     return 1;
1293 }
1294
1295 static int nas_open(WINE_WAVEOUT* wwo) {
1296     AuElement elements[3];
1297
1298     if (!wwo->AuServ)
1299        return 0;
1300
1301     if (!nas_finddev(wwo))
1302        return 0;
1303
1304     if (!(wwo->AuFlow = AuCreateFlow(wwo->AuServ, NULL)))
1305        return 0;
1306
1307     wwo->BufferSize = FRAG_SIZE * FRAG_COUNT;
1308
1309     AuMakeElementImportClient(&elements[0], wwo->format.wf.nSamplesPerSec,
1310            wwo->format.wBitsPerSample == 16 ? AuFormatLinearSigned16LSB : AuFormatLinearUnsigned8,
1311            wwo->format.wf.nChannels, AuTrue, wwo->BufferSize, wwo->BufferSize / 2, 0, NULL);
1312
1313     AuMakeElementExportDevice(&elements[1], 0, wwo->AuDev, wwo->format.wf.nSamplesPerSec,
1314                               AuUnlimitedSamples, 0, NULL);
1315
1316     AuSetElements(wwo->AuServ, wwo->AuFlow, AuTrue, 2, elements, NULL);
1317
1318     AuRegisterEventHandler(wwo->AuServ, AuEventHandlerIDMask, 0, wwo->AuFlow,
1319                            event_handler, (AuPointer) wwo);
1320
1321
1322     wwo->PlayedTotal = 0;
1323     wwo->WrittenTotal = 0;
1324     wwo->open = 1;
1325
1326     wwo->BufferUsed = 0;
1327     wwo->writeBytes = 0;
1328     wwo->freeBytes = 0;
1329     wwo->sendBytes = 0;
1330     wwo->SoundBuffer = NULL;
1331     wwo->FlowStarted = 0;
1332
1333     AuStartFlow(wwo->AuServ, wwo->AuFlow, NULL);
1334     AuPauseFlow(wwo->AuServ, wwo->AuFlow, NULL);
1335     wwo->FlowStarted = 1;
1336
1337     return 1;
1338 }
1339
1340 static AuBool
1341 event_handler(AuServer* aud, AuEvent* ev, AuEventHandlerRec* hnd)
1342 {
1343   WINE_WAVEOUT *wwo = hnd->data;
1344         switch (ev->type) {
1345
1346         case AuEventTypeElementNotify: {
1347                 AuElementNotifyEvent* event = (AuElementNotifyEvent *)ev;
1348
1349
1350                 switch (event->kind) {
1351                    case AuElementNotifyKindLowWater:
1352                      wwo->freeBytes += event->num_bytes;
1353                      if (wwo->writeBytes > 0)
1354                         wwo->sendBytes += event->num_bytes;
1355                     if (wwo->freeBytes && wwo->BufferUsed)
1356                         nas_send_buffer(wwo);
1357                    break;
1358
1359                    case AuElementNotifyKindState:
1360                      TRACE("ev: kind %s state %s->%s reason %s numbytes %ld freeB %u\n",
1361                                      nas_elementnotify_kind(event->kind),
1362                                      nas_state(event->prev_state),
1363                                      nas_state(event->cur_state),
1364                                      nas_reason(event->reason),
1365                                      event->num_bytes, wwo->freeBytes);
1366
1367                      if (event->cur_state ==  AuStatePause && event->reason != AuReasonUser) {
1368                         wwo->freeBytes += event->num_bytes;
1369                         if (wwo->writeBytes > 0)
1370                            wwo->sendBytes += event->num_bytes;
1371                         if (wwo->sendBytes > wwo->writeBytes)
1372                            wwo->sendBytes = wwo->writeBytes;
1373                        if (wwo->freeBytes && wwo->BufferUsed)
1374                            nas_send_buffer(wwo);
1375                      }
1376                    break;
1377                 }
1378            }
1379         }
1380         return AuTrue;
1381 }
1382
1383 static void
1384 buffer_resize(WINE_WAVEOUT* wwo, int len)
1385 {
1386         void *newbuf = HeapAlloc(GetProcessHeap(), 0, wwo->BufferUsed + len);
1387         void *oldbuf = wwo->SoundBuffer;
1388         memcpy(newbuf, oldbuf, wwo->BufferUsed);
1389         wwo->SoundBuffer = newbuf;
1390         HeapFree(GetProcessHeap(), 0, oldbuf);
1391 }
1392
1393 static int nas_add_buffer(WINE_WAVEOUT* wwo) {
1394     int len = wwo->lpPlayPtr->dwBufferLength;
1395
1396     buffer_resize(wwo, len);
1397     memcpy(wwo->SoundBuffer + wwo->BufferUsed, wwo->lpPlayPtr->lpData, len);
1398     wwo->BufferUsed += len;
1399     wwo->WrittenTotal += len;
1400     return len;
1401 }
1402
1403 static int nas_send_buffer(WINE_WAVEOUT* wwo) {
1404   int oldb , len;
1405   char *ptr, *newdata;
1406   newdata = NULL;
1407   oldb = len = 0;
1408
1409   if (wwo->freeBytes <= 0)
1410      return 0;
1411
1412   if (wwo->SoundBuffer == NULL || wwo->BufferUsed == 0) {
1413      return 0;
1414   }
1415
1416   if (wwo->BufferUsed <= wwo->freeBytes) {
1417      len = wwo->BufferUsed;
1418      ptr = wwo->SoundBuffer;
1419   } else {
1420      len = wwo->freeBytes;
1421      ptr = HeapAlloc(GetProcessHeap(), 0, len);
1422      memcpy(ptr,wwo->SoundBuffer,len);
1423      newdata = HeapAlloc(GetProcessHeap(), 0, wwo->BufferUsed - len);
1424      memcpy(newdata, wwo->SoundBuffer + len, wwo->BufferUsed - len);
1425   }
1426
1427  TRACE("envoye de %d bytes / %lu bytes / freeBytes %u\n", len, wwo->BufferUsed, wwo->freeBytes);
1428
1429  AuWriteElement(wwo->AuServ, wwo->AuFlow, 0, len, ptr, AuFalse, NULL);
1430
1431  wwo->BufferUsed -= len;
1432  wwo->freeBytes -= len;
1433  wwo->writeBytes += len;
1434
1435  HeapFree(GetProcessHeap(), 0, ptr);
1436
1437  wwo->SoundBuffer = NULL;
1438
1439  if (newdata != NULL)
1440     wwo->SoundBuffer = newdata;
1441
1442  return len;
1443 }
1444
1445 static int nas_free(WINE_WAVEOUT* wwo)
1446 {
1447
1448   if (!wwo->FlowStarted && wwo->BufferUsed) {
1449      AuStartFlow(wwo->AuServ, wwo->AuFlow, NULL);
1450      wwo->FlowStarted = 1;
1451   }
1452
1453   while (wwo->BufferUsed || wwo->writeBytes != wwo->sendBytes) {
1454     if (wwo->freeBytes)
1455        nas_send_buffer(wwo);
1456     AuHandleEvents(wwo->AuServ);
1457   }
1458
1459   AuFlush(wwo->AuServ);
1460   return TRUE;
1461 }
1462
1463 static int nas_close(WINE_WAVEOUT* wwo)
1464 {
1465   AuEvent ev;
1466
1467   nas_free(wwo);
1468
1469   AuStopFlow(wwo->AuServ, wwo->AuFlow, NULL);
1470   AuDestroyFlow(wwo->AuServ, wwo->AuFlow, NULL);
1471   AuFlush(wwo->AuServ);
1472   AuNextEvent(wwo->AuServ, AuTrue, &ev);
1473   AuDispatchEvent(wwo->AuServ, &ev);
1474
1475   wwo->AuFlow = 0;
1476   wwo->open = 0;
1477   wwo->BufferUsed = 0;
1478   wwo->freeBytes = 0;
1479   wwo->SoundBuffer = NULL;
1480   return 1;
1481 }
1482
1483 static int nas_end(void)
1484 {
1485   if (AuServ)
1486   {
1487     AuCloseServer(AuServ);
1488     AuServ = 0;
1489   }
1490   return 1;
1491 }
1492
1493 #else /* !HAVE_NAS */
1494
1495 /**************************************************************************
1496  *                              wodMessage (WINENAS.@)
1497  */
1498 DWORD WINAPI NAS_wodMessage(WORD wDevID, WORD wMsg, DWORD dwUser, DWORD dwParam1, DWORD dwParam2)
1499 {
1500     FIXME("(%u, %04X, %08X, %08X, %08X):stub\n", wDevID, wMsg, dwUser, dwParam1, dwParam2);
1501     return MMSYSERR_NOTENABLED;
1502 }
1503 #endif