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