git.oblomov.eu Git - wine/blob - dlls/winealsa.drv/waveout.c

   1 /*
   2  * Sample Wine Driver for Advanced Linux Sound System (ALSA)
   3  *      Based on version <final> of the ALSA API
   4  *
   5  * Copyright    2002 Eric Pouech
   6  *              2002 Marco Pietrobono
   7  *              2003 Christian Costa : WaveIn support
   8  *              2006-2007 Maarten Lankhorst
   9  *
  10  * This library is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU Lesser General Public
  12  * License as published by the Free Software Foundation; either
  13  * version 2.1 of the License, or (at your option) any later version.
  14  *
  15  * This library is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * Lesser General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public
  21  * License along with this library; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  23  */
  24
  25 /*======================================================================*
  26  *                  Low level WAVE OUT implementation                   *
  27  *======================================================================*/
  28
  29 #include "config.h"
  30 #include "wine/port.h"
  31
  32 #include <stdlib.h>
  33 #include <stdarg.h>
  34 #include <stdio.h>
  35 #include <string.h>
  36 #ifdef HAVE_UNISTD_H
  37 # include <unistd.h>
  38 #endif
  39 #include <errno.h>
  40 #include <limits.h>
  41 #include <fcntl.h>
  42 #ifdef HAVE_SYS_IOCTL_H
  43 # include <sys/ioctl.h>
  44 #endif
  45 #ifdef HAVE_SYS_MMAN_H
  46 # include <sys/mman.h>
  47 #endif
  48 #include "windef.h"
  49 #include "winbase.h"
  50 #include "wingdi.h"
  51 #include "winerror.h"
  52 #include "winuser.h"
  53 #include "winnls.h"
  54 #include "mmddk.h"
  55
  56 #include "alsa.h"
  57
  58 #include "wine/library.h"
  59 #include "wine/unicode.h"
  60 #include "wine/debug.h"
  61
  62 WINE_DEFAULT_DEBUG_CHANNEL(wave);
  63
  64 #ifdef HAVE_ALSA
  65
  66 WINE_WAVEDEV    *WOutDev;
  67 DWORD            ALSA_WodNumMallocedDevs;
  68 DWORD            ALSA_WodNumDevs;
  69
  70 /**************************************************************************
  71  *                      wodNotifyClient                 [internal]
  72  */
  73 static DWORD wodNotifyClient(WINE_WAVEDEV* wwo, WORD wMsg, DWORD dwParam1, DWORD dwParam2)
  74 {
  75     TRACE("wMsg = 0x%04x dwParm1 = %04X dwParam2 = %04X\n", wMsg, dwParam1, dwParam2);
  76
  77     switch (wMsg) {
  78     case WOM_OPEN:
  79     case WOM_CLOSE:
  80     case WOM_DONE:
  81         if (wwo->wFlags != DCB_NULL &&
  82             !DriverCallback(wwo->waveDesc.dwCallback, wwo->wFlags, (HDRVR)wwo->waveDesc.hWave,
  83                             wMsg, wwo->waveDesc.dwInstance, dwParam1, dwParam2)) {
  84             WARN("can't notify client !\n");
  85             return MMSYSERR_ERROR;
  86         }
  87         break;
  88     default:
  89         FIXME("Unknown callback message %u\n", wMsg);
  90         return MMSYSERR_INVALPARAM;
  91     }
  92     return MMSYSERR_NOERROR;
  93 }
  94
  95 /**************************************************************************
  96  *                              wodUpdatePlayedTotal    [internal]
  97  *
  98  */
  99 static BOOL wodUpdatePlayedTotal(WINE_WAVEDEV* wwo, snd_pcm_status_t* ps)
 100 {
 101     snd_pcm_sframes_t delay = 0;
 102     snd_pcm_state_t state;
 103
 104     state = snd_pcm_state(wwo->pcm);
 105     snd_pcm_delay(wwo->pcm, &delay);
 106
 107     /* A delay < 0 indicates an underrun; for our purposes that's 0.  */
 108     if ( (state != SND_PCM_STATE_RUNNING && state != SND_PCM_STATE_PREPARED) || (delay < 0))
 109     {
 110         WARN("Unexpected state (%d) or delay (%ld) while updating Total Played, resetting\n", state, delay);
 111         delay=0;
 112     }
 113     wwo->dwPlayedTotal = wwo->dwWrittenTotal - snd_pcm_frames_to_bytes(wwo->pcm, delay);
 114     return TRUE;
 115 }
 116
 117 /**************************************************************************
 118  *                              wodPlayer_BeginWaveHdr          [internal]
 119  *
 120  * Makes the specified lpWaveHdr the currently playing wave header.
 121  * If the specified wave header is a begin loop and we're not already in
 122  * a loop, setup the loop.
 123  */
 124 static void wodPlayer_BeginWaveHdr(WINE_WAVEDEV* wwo, LPWAVEHDR lpWaveHdr)
 125 {
 126     wwo->lpPlayPtr = lpWaveHdr;
 127
 128     if (!lpWaveHdr) return;
 129
 130     if (lpWaveHdr->dwFlags & WHDR_BEGINLOOP) {
 131         if (wwo->lpLoopPtr) {
 132             WARN("Already in a loop. Discarding loop on this header (%p)\n", lpWaveHdr);
 133         } else {
 134             TRACE("Starting loop (%dx) with %p\n", lpWaveHdr->dwLoops, lpWaveHdr);
 135             wwo->lpLoopPtr = lpWaveHdr;
 136             /* Windows does not touch WAVEHDR.dwLoops,
 137              * so we need to make an internal copy */
 138             wwo->dwLoops = lpWaveHdr->dwLoops;
 139         }
 140     }
 141     wwo->dwPartialOffset = 0;
 142 }
 143
 144 /**************************************************************************
 145  *                              wodPlayer_PlayPtrNext           [internal]
 146  *
 147  * Advance the play pointer to the next waveheader, looping if required.
 148  */
 149 static LPWAVEHDR wodPlayer_PlayPtrNext(WINE_WAVEDEV* wwo)
 150 {
 151     LPWAVEHDR lpWaveHdr = wwo->lpPlayPtr;
 152
 153     wwo->dwPartialOffset = 0;
 154     if ((lpWaveHdr->dwFlags & WHDR_ENDLOOP) && wwo->lpLoopPtr) {
 155         /* We're at the end of a loop, loop if required */
 156         if (--wwo->dwLoops > 0) {
 157             wwo->lpPlayPtr = wwo->lpLoopPtr;
 158         } else {
 159             /* Handle overlapping loops correctly */
 160             if (wwo->lpLoopPtr != lpWaveHdr && (lpWaveHdr->dwFlags & WHDR_BEGINLOOP)) {
 161                 FIXME("Correctly handled case ? (ending loop buffer also starts a new loop)\n");
 162                 /* shall we consider the END flag for the closing loop or for
 163                  * the opening one or for both ???
 164                  * code assumes for closing loop only
 165                  */
 166             } else {
 167                 lpWaveHdr = lpWaveHdr->lpNext;
 168             }
 169             wwo->lpLoopPtr = NULL;
 170             wodPlayer_BeginWaveHdr(wwo, lpWaveHdr);
 171         }
 172     } else {
 173         /* We're not in a loop.  Advance to the next wave header */
 174         wodPlayer_BeginWaveHdr(wwo, lpWaveHdr = lpWaveHdr->lpNext);
 175     }
 176
 177     return lpWaveHdr;
 178 }
 179
 180 /**************************************************************************
 181  *                           wodPlayer_DSPWait                  [internal]
 182  * Returns the number of milliseconds to wait for the DSP buffer to play a
 183  * period
 184  */
 185 static DWORD wodPlayer_DSPWait(const WINE_WAVEDEV *wwo)
 186 {
 187     /* time for one period to be played */
 188     unsigned int val=0;
 189     int dir=0;
 190     int err=0;
 191     err = snd_pcm_hw_params_get_period_time(wwo->hw_params, &val, &dir);
 192     return val / 1000;
 193 }
 194
 195 /**************************************************************************
 196  *                           wodPlayer_NotifyWait               [internal]
 197  * Returns the number of milliseconds to wait before attempting to notify
 198  * completion of the specified wavehdr.
 199  * This is based on the number of bytes remaining to be written in the
 200  * wave.
 201  */
 202 static DWORD wodPlayer_NotifyWait(const WINE_WAVEDEV* wwo, LPWAVEHDR lpWaveHdr)
 203 {
 204     DWORD dwMillis;
 205
 206     if (lpWaveHdr->reserved < wwo->dwPlayedTotal) {
 207         dwMillis = 1;
 208     } else {
 209         dwMillis = (lpWaveHdr->reserved - wwo->dwPlayedTotal) * 1000 / wwo->format.Format.nAvgBytesPerSec;
 210         if (!dwMillis) dwMillis = 1;
 211     }
 212
 213     return dwMillis;
 214 }
 215
 216
 217 /**************************************************************************
 218  *                           wodPlayer_WriteMaxFrags            [internal]
 219  * Writes the maximum number of frames possible to the DSP and returns
 220  * the number of frames written.
 221  */
 222 static int wodPlayer_WriteMaxFrags(WINE_WAVEDEV* wwo, DWORD* frames)
 223 {
 224     /* Only attempt to write to free frames */
 225     LPWAVEHDR lpWaveHdr = wwo->lpPlayPtr;
 226     DWORD dwLength = snd_pcm_bytes_to_frames(wwo->pcm, lpWaveHdr->dwBufferLength - wwo->dwPartialOffset);
 227     int toWrite = min(dwLength, *frames);
 228     int written;
 229
 230     TRACE("Writing wavehdr %p.%u[%u]\n", lpWaveHdr, wwo->dwPartialOffset, lpWaveHdr->dwBufferLength);
 231
 232     if (toWrite > 0) {
 233         written = (wwo->write)(wwo->pcm, lpWaveHdr->lpData + wwo->dwPartialOffset, toWrite);
 234         if ( written < 0) {
 235             /* XRUN occurred. let's try to recover */
 236             ALSA_XRUNRecovery(wwo, written);
 237             written = (wwo->write)(wwo->pcm, lpWaveHdr->lpData + wwo->dwPartialOffset, toWrite);
 238         }
 239         if (written <= 0) {
 240             /* still in error */
 241             ERR("Error in writing wavehdr. Reason: %s\n", snd_strerror(written));
 242             return written;
 243         }
 244     } else
 245         written = 0;
 246
 247     wwo->dwPartialOffset += snd_pcm_frames_to_bytes(wwo->pcm, written);
 248     if ( wwo->dwPartialOffset >= lpWaveHdr->dwBufferLength) {
 249         /* this will be used to check if the given wave header has been fully played or not... */
 250         wwo->dwPartialOffset = lpWaveHdr->dwBufferLength;
 251         /* If we wrote all current wavehdr, skip to the next one */
 252         wodPlayer_PlayPtrNext(wwo);
 253     }
 254     *frames -= written;
 255     wwo->dwWrittenTotal += snd_pcm_frames_to_bytes(wwo->pcm, written);
 256     TRACE("dwWrittenTotal=%u\n", wwo->dwWrittenTotal);
 257
 258     return written;
 259 }
 260
 261
 262 /**************************************************************************
 263  *                              wodPlayer_NotifyCompletions     [internal]
 264  *
 265  * Notifies and remove from queue all wavehdrs which have been played to
 266  * the speaker (ie. they have cleared the ALSA buffer).  If force is true,
 267  * we notify all wavehdrs and remove them all from the queue even if they
 268  * are unplayed or part of a loop.
 269  */
 270 static DWORD wodPlayer_NotifyCompletions(WINE_WAVEDEV* wwo, BOOL force)
 271 {
 272     LPWAVEHDR           lpWaveHdr;
 273
 274     /* Start from lpQueuePtr and keep notifying until:
 275      * - we hit an unwritten wavehdr
 276      * - we hit the beginning of a running loop
 277      * - we hit a wavehdr which hasn't finished playing
 278      */
 279 #if 0
 280     while ((lpWaveHdr = wwo->lpQueuePtr) &&
 281            (force ||
 282             (lpWaveHdr != wwo->lpPlayPtr &&
 283              lpWaveHdr != wwo->lpLoopPtr &&
 284              lpWaveHdr->reserved <= wwo->dwPlayedTotal))) {
 285
 286         wwo->lpQueuePtr = lpWaveHdr->lpNext;
 287
 288         lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
 289         lpWaveHdr->dwFlags |= WHDR_DONE;
 290
 291         wodNotifyClient(wwo, WOM_DONE, (DWORD)lpWaveHdr, 0);
 292     }
 293 #else
 294     for (;;)
 295     {
 296         lpWaveHdr = wwo->lpQueuePtr;
 297         if (!lpWaveHdr) {TRACE("Empty queue\n"); break;}
 298         if (!force)
 299         {
 300             if (lpWaveHdr == wwo->lpPlayPtr) {TRACE("play %p\n", lpWaveHdr); break;}
 301             if (lpWaveHdr == wwo->lpLoopPtr) {TRACE("loop %p\n", lpWaveHdr); break;}
 302             if (lpWaveHdr->reserved > wwo->dwPlayedTotal) {TRACE("still playing %p (%u/%u)\n", lpWaveHdr, lpWaveHdr->reserved, wwo->dwPlayedTotal);break;}
 303         }
 304         wwo->lpQueuePtr = lpWaveHdr->lpNext;
 305
 306         lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
 307         lpWaveHdr->dwFlags |= WHDR_DONE;
 308
 309         wodNotifyClient(wwo, WOM_DONE, (DWORD)lpWaveHdr, 0);
 310     }
 311 #endif
 312     return  (lpWaveHdr && lpWaveHdr != wwo->lpPlayPtr && lpWaveHdr != wwo->lpLoopPtr) ?
 313         wodPlayer_NotifyWait(wwo, lpWaveHdr) : INFINITE;
 314 }
 315
 316
 317 /**************************************************************************
 318  *                              wodPlayer_Reset                 [internal]
 319  *
 320  * wodPlayer helper. Resets current output stream.
 321  */
 322 static  void    wodPlayer_Reset(WINE_WAVEDEV* wwo, BOOL reset)
 323 {
 324     int                         err;
 325     TRACE("(%p)\n", wwo);
 326
 327     /* flush all possible output */
 328     snd_pcm_drain(wwo->pcm);
 329
 330     wodUpdatePlayedTotal(wwo, NULL);
 331     /* updates current notify list */
 332     wodPlayer_NotifyCompletions(wwo, FALSE);
 333
 334     if ( (err = snd_pcm_drop(wwo->pcm)) < 0) {
 335         FIXME("flush: %s\n", snd_strerror(err));
 336         wwo->hThread = 0;
 337         wwo->state = WINE_WS_STOPPED;
 338         ExitThread(-1);
 339     }
 340     if ( (err = snd_pcm_prepare(wwo->pcm)) < 0 )
 341         ERR("pcm prepare failed: %s\n", snd_strerror(err));
 342
 343     if (reset) {
 344         enum win_wm_message     msg;
 345         DWORD                   param;
 346         HANDLE                  ev;
 347
 348         /* remove any buffer */
 349         wodPlayer_NotifyCompletions(wwo, TRUE);
 350
 351         wwo->lpPlayPtr = wwo->lpQueuePtr = wwo->lpLoopPtr = NULL;
 352         wwo->state = WINE_WS_STOPPED;
 353         wwo->dwPlayedTotal = wwo->dwWrittenTotal = 0;
 354         /* Clear partial wavehdr */
 355         wwo->dwPartialOffset = 0;
 356
 357         /* remove any existing message in the ring */
 358         EnterCriticalSection(&wwo->msgRing.msg_crst);
 359         /* return all pending headers in queue */
 360         while (ALSA_RetrieveRingMessage(&wwo->msgRing, &msg, &param, &ev))
 361         {
 362             if (msg != WINE_WM_HEADER)
 363             {
 364                 FIXME("shouldn't have headers left\n");
 365                 SetEvent(ev);
 366                 continue;
 367             }
 368             ((LPWAVEHDR)param)->dwFlags &= ~WHDR_INQUEUE;
 369             ((LPWAVEHDR)param)->dwFlags |= WHDR_DONE;
 370
 371                 wodNotifyClient(wwo, WOM_DONE, param, 0);
 372         }
 373         ALSA_ResetRingMessage(&wwo->msgRing);
 374         LeaveCriticalSection(&wwo->msgRing.msg_crst);
 375     } else {
 376         if (wwo->lpLoopPtr) {
 377             /* complicated case, not handled yet (could imply modifying the loop counter */
 378             FIXME("Pausing while in loop isn't correctly handled yet, except strange results\n");
 379             wwo->lpPlayPtr = wwo->lpLoopPtr;
 380             wwo->dwPartialOffset = 0;
 381             wwo->dwWrittenTotal = wwo->dwPlayedTotal; /* this is wrong !!! */
 382         } else {
 383             LPWAVEHDR   ptr;
 384             DWORD       sz = wwo->dwPartialOffset;
 385
 386             /* reset all the data as if we had written only up to lpPlayedTotal bytes */
 387             /* compute the max size playable from lpQueuePtr */
 388             for (ptr = wwo->lpQueuePtr; ptr != wwo->lpPlayPtr; ptr = ptr->lpNext) {
 389                 sz += ptr->dwBufferLength;
 390             }
 391             /* because the reset lpPlayPtr will be lpQueuePtr */
 392             if (wwo->dwWrittenTotal > wwo->dwPlayedTotal + sz) ERR("grin\n");
 393             wwo->dwPartialOffset = sz - (wwo->dwWrittenTotal - wwo->dwPlayedTotal);
 394             wwo->dwWrittenTotal = wwo->dwPlayedTotal;
 395             wwo->lpPlayPtr = wwo->lpQueuePtr;
 396         }
 397         wwo->state = WINE_WS_PAUSED;
 398     }
 399 }
 400
 401 /**************************************************************************
 402  *                    wodPlayer_ProcessMessages                 [internal]
 403  */
 404 static void wodPlayer_ProcessMessages(WINE_WAVEDEV* wwo)
 405 {
 406     LPWAVEHDR           lpWaveHdr;
 407     enum win_wm_message msg;
 408     DWORD               param;
 409     HANDLE              ev;
 410     int                 err;
 411
 412     while (ALSA_RetrieveRingMessage(&wwo->msgRing, &msg, &param, &ev)) {
 413      TRACE("Received %s %x\n", ALSA_getCmdString(msg), param);
 414
 415         switch (msg) {
 416         case WINE_WM_PAUSING:
 417             if ( snd_pcm_state(wwo->pcm) == SND_PCM_STATE_RUNNING )
 418              {
 419                 if ( snd_pcm_hw_params_can_pause(wwo->hw_params) )
 420                 {
 421                     err = snd_pcm_pause(wwo->pcm, 1);
 422                     if ( err < 0 )
 423                         ERR("pcm_pause failed: %s\n", snd_strerror(err));
 424                     wwo->state = WINE_WS_PAUSED;
 425                 }
 426                 else
 427                 {
 428                     wodPlayer_Reset(wwo,FALSE);
 429                 }
 430              }
 431             SetEvent(ev);
 432             break;
 433         case WINE_WM_RESTARTING:
 434             if (wwo->state == WINE_WS_PAUSED)
 435             {
 436                 if ( snd_pcm_state(wwo->pcm) == SND_PCM_STATE_PAUSED )
 437                  {
 438                     err = snd_pcm_pause(wwo->pcm, 0);
 439                     if ( err < 0 )
 440                         ERR("pcm_pause failed: %s\n", snd_strerror(err));
 441                  }
 442                 wwo->state = WINE_WS_PLAYING;
 443             }
 444             SetEvent(ev);
 445             break;
 446         case WINE_WM_HEADER:
 447             lpWaveHdr = (LPWAVEHDR)param;
 448
 449             /* insert buffer at the end of queue */
 450             {
 451                 LPWAVEHDR*      wh;
 452                 for (wh = &(wwo->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
 453                 *wh = lpWaveHdr;
 454             }
 455             if (!wwo->lpPlayPtr)
 456                 wodPlayer_BeginWaveHdr(wwo,lpWaveHdr);
 457             if (wwo->state == WINE_WS_STOPPED)
 458                 wwo->state = WINE_WS_PLAYING;
 459             break;
 460         case WINE_WM_RESETTING:
 461             wodPlayer_Reset(wwo,TRUE);
 462             SetEvent(ev);
 463             break;
 464         case WINE_WM_UPDATE:
 465             wodUpdatePlayedTotal(wwo, NULL);
 466             SetEvent(ev);
 467             break;
 468         case WINE_WM_BREAKLOOP:
 469             if (wwo->state == WINE_WS_PLAYING && wwo->lpLoopPtr != NULL) {
 470                 /* ensure exit at end of current loop */
 471                 wwo->dwLoops = 1;
 472             }
 473             SetEvent(ev);
 474             break;
 475         case WINE_WM_CLOSING:
 476             /* sanity check: this should not happen since the device must have been reset before */
 477             if (wwo->lpQueuePtr || wwo->lpPlayPtr) ERR("out of sync\n");
 478             wwo->hThread = 0;
 479             wwo->state = WINE_WS_CLOSED;
 480             SetEvent(ev);
 481             ExitThread(0);
 482             /* shouldn't go here */
 483         default:
 484             FIXME("unknown message %d\n", msg);
 485             break;
 486         }
 487     }
 488 }
 489
 490 /**************************************************************************
 491  *                           wodPlayer_FeedDSP                  [internal]
 492  * Feed as much sound data as we can into the DSP and return the number of
 493  * milliseconds before it will be necessary to feed the DSP again.
 494  */
 495 static DWORD wodPlayer_FeedDSP(WINE_WAVEDEV* wwo)
 496 {
 497     DWORD               availInQ;
 498
 499     wodUpdatePlayedTotal(wwo, NULL);
 500     availInQ = snd_pcm_avail_update(wwo->pcm);
 501
 502 #if 0
 503     /* input queue empty and output buffer with less than one fragment to play */
 504     if (!wwo->lpPlayPtr && wwo->dwBufferSize < availInQ + wwo->dwFragmentSize) {
 505         TRACE("Run out of wavehdr:s...\n");
 506         return INFINITE;
 507     }
 508 #endif
 509     /* no more room... no need to try to feed */
 510     if (availInQ > 0) {
 511         /* Feed from partial wavehdr */
 512         if (wwo->lpPlayPtr && wwo->dwPartialOffset != 0) {
 513             wodPlayer_WriteMaxFrags(wwo, &availInQ);
 514         }
 515
 516         /* Feed wavehdrs until we run out of wavehdrs or DSP space */
 517         if (wwo->dwPartialOffset == 0 && wwo->lpPlayPtr) {
 518             do {
 519                 TRACE("Setting time to elapse for %p to %u\n",
 520                       wwo->lpPlayPtr, wwo->dwWrittenTotal + wwo->lpPlayPtr->dwBufferLength);
 521                 /* note the value that dwPlayedTotal will return when this wave finishes playing */
 522                 wwo->lpPlayPtr->reserved = wwo->dwWrittenTotal + wwo->lpPlayPtr->dwBufferLength;
 523             } while (wodPlayer_WriteMaxFrags(wwo, &availInQ) && wwo->lpPlayPtr && availInQ > 0);
 524         }
 525     }
 526
 527     return wodPlayer_DSPWait(wwo);
 528 }
 529
 530 /**************************************************************************
 531  *                              wodPlayer                       [internal]
 532  */
 533 static  DWORD   CALLBACK        wodPlayer(LPVOID pmt)
 534 {
 535     WORD          uDevID = (DWORD)pmt;
 536     WINE_WAVEDEV* wwo = (WINE_WAVEDEV*)&WOutDev[uDevID];
 537     DWORD         dwNextFeedTime = INFINITE;   /* Time before DSP needs feeding */
 538     DWORD         dwNextNotifyTime = INFINITE; /* Time before next wave completion */
 539     DWORD         dwSleepTime;
 540
 541     wwo->state = WINE_WS_STOPPED;
 542     SetEvent(wwo->hStartUpEvent);
 543
 544     for (;;) {
 545         /** Wait for the shortest time before an action is required.  If there
 546          *  are no pending actions, wait forever for a command.
 547          */
 548         dwSleepTime = min(dwNextFeedTime, dwNextNotifyTime);
 549         TRACE("waiting %ums (%u,%u)\n", dwSleepTime, dwNextFeedTime, dwNextNotifyTime);
 550         ALSA_WaitRingMessage(&wwo->msgRing, dwSleepTime);
 551         wodPlayer_ProcessMessages(wwo);
 552         if (wwo->state == WINE_WS_PLAYING) {
 553             dwNextFeedTime = wodPlayer_FeedDSP(wwo);
 554             dwNextNotifyTime = wodPlayer_NotifyCompletions(wwo, FALSE);
 555             if (dwNextFeedTime == INFINITE) {
 556                 /* FeedDSP ran out of data, but before giving up, */
 557                 /* check that a notification didn't give us more */
 558                 wodPlayer_ProcessMessages(wwo);
 559                 if (wwo->lpPlayPtr) {
 560                     TRACE("recovering\n");
 561                     dwNextFeedTime = wodPlayer_FeedDSP(wwo);
 562                 }
 563             }
 564         } else {
 565             dwNextFeedTime = dwNextNotifyTime = INFINITE;
 566         }
 567     }
 568 }
 569
 570 /**************************************************************************
 571  *                      wodGetDevCaps                           [internal]
 572  */
 573 static DWORD wodGetDevCaps(WORD wDevID, LPWAVEOUTCAPSW lpCaps, DWORD dwSize)
 574 {
 575     TRACE("(%u, %p, %u);\n", wDevID, lpCaps, dwSize);
 576
 577     if (lpCaps == NULL) return MMSYSERR_NOTENABLED;
 578
 579     if (wDevID >= ALSA_WodNumDevs) {
 580         TRACE("Asked for device %d, but only %d known!\n", wDevID, ALSA_WodNumDevs);
 581         return MMSYSERR_BADDEVICEID;
 582     }
 583
 584     memcpy(lpCaps, &WOutDev[wDevID].outcaps, min(dwSize, sizeof(*lpCaps)));
 585     return MMSYSERR_NOERROR;
 586 }
 587
 588 /**************************************************************************
 589  *                              wodOpen                         [internal]
 590  */
 591 static DWORD wodOpen(WORD wDevID, LPWAVEOPENDESC lpDesc, DWORD dwFlags)
 592 {
 593     WINE_WAVEDEV*               wwo;
 594     snd_pcm_t *                 pcm = NULL;
 595     snd_hctl_t *                hctl = NULL;
 596     snd_pcm_hw_params_t *       hw_params = NULL;
 597     snd_pcm_sw_params_t *       sw_params;
 598     snd_pcm_access_t            access;
 599     snd_pcm_format_t            format = -1;
 600     unsigned int                rate;
 601     unsigned int                buffer_time = 500000;
 602     unsigned int                period_time = 10000;
 603     snd_pcm_uframes_t           buffer_size;
 604     snd_pcm_uframes_t           period_size;
 605     int                         flags;
 606     int                         err=0;
 607     int                         dir=0;
 608     DWORD                       retcode = 0;
 609
 610     snd_pcm_sw_params_alloca(&sw_params);
 611
 612     TRACE("(%u, %p, %08X);\n", wDevID, lpDesc, dwFlags);
 613     if (lpDesc == NULL) {
 614         WARN("Invalid Parameter !\n");
 615         return MMSYSERR_INVALPARAM;
 616     }
 617     if (wDevID >= ALSA_WodNumDevs) {
 618         TRACE("Asked for device %d, but only %d known!\n", wDevID, ALSA_WodNumDevs);
 619         return MMSYSERR_BADDEVICEID;
 620     }
 621
 622     /* only PCM format is supported so far... */
 623     if (!ALSA_supportedFormat(lpDesc->lpFormat)) {
 624         WARN("Bad format: tag=%04X nChannels=%d nSamplesPerSec=%d !\n",
 625              lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
 626              lpDesc->lpFormat->nSamplesPerSec);
 627         return WAVERR_BADFORMAT;
 628     }
 629
 630     if (dwFlags & WAVE_FORMAT_QUERY) {
 631         TRACE("Query format: tag=%04X nChannels=%d nSamplesPerSec=%d !\n",
 632              lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
 633              lpDesc->lpFormat->nSamplesPerSec);
 634         return MMSYSERR_NOERROR;
 635     }
 636
 637     wwo = &WOutDev[wDevID];
 638
 639     if (wwo->pcm != NULL) {
 640         WARN("%d already allocated\n", wDevID);
 641         return MMSYSERR_ALLOCATED;
 642     }
 643
 644     if ((dwFlags & WAVE_DIRECTSOUND) && !(wwo->outcaps.dwSupport & WAVECAPS_DIRECTSOUND))
 645         /* not supported, ignore it */
 646         dwFlags &= ~WAVE_DIRECTSOUND;
 647
 648     flags = SND_PCM_NONBLOCK;
 649
 650     /* FIXME - why is this ifdefed? */
 651 #if 0
 652     if ( dwFlags & WAVE_DIRECTSOUND )
 653         flags |= SND_PCM_ASYNC;
 654 #endif
 655
 656     if ( (err = snd_pcm_open(&pcm, wwo->pcmname, SND_PCM_STREAM_PLAYBACK, flags)) < 0)
 657     {
 658         ERR("Error open: %s\n", snd_strerror(err));
 659         return MMSYSERR_NOTENABLED;
 660     }
 661
 662     if (wwo->ctlname)
 663     {
 664         err = snd_hctl_open(&hctl, wwo->ctlname, 0);
 665         if (err >= 0)
 666         {
 667             snd_hctl_load(hctl);
 668         }
 669         else
 670         {
 671             WARN("Could not open hctl for [%s]: %s\n", wwo->ctlname, snd_strerror(err));
 672             hctl = NULL;
 673         }
 674     }
 675
 676     wwo->wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
 677
 678     memcpy(&wwo->waveDesc, lpDesc, sizeof(WAVEOPENDESC));
 679     ALSA_copyFormat(lpDesc->lpFormat, &wwo->format);
 680
 681     TRACE("Requested this format: %dx%dx%d %s\n",
 682           wwo->format.Format.nSamplesPerSec,
 683           wwo->format.Format.wBitsPerSample,
 684           wwo->format.Format.nChannels,
 685           ALSA_getFormat(wwo->format.Format.wFormatTag));
 686
 687     if (wwo->format.Format.wBitsPerSample == 0) {
 688         WARN("Resetting zeroed wBitsPerSample\n");
 689         wwo->format.Format.wBitsPerSample = 8 *
 690             (wwo->format.Format.nAvgBytesPerSec /
 691              wwo->format.Format.nSamplesPerSec) /
 692             wwo->format.Format.nChannels;
 693     }
 694
 695 #define EXIT_ON_ERROR(f,e,txt) do \
 696 { \
 697     int err; \
 698     if ( (err = (f) ) < 0) \
 699     { \
 700         WARN(txt ": %s\n", snd_strerror(err)); \
 701         retcode=e; \
 702         goto errexit; \
 703     } \
 704 } while(0)
 705
 706     snd_pcm_hw_params_malloc(&hw_params);
 707     if (! hw_params)
 708     {
 709         retcode = MMSYSERR_NOMEM;
 710         goto errexit;
 711     }
 712     snd_pcm_hw_params_any(pcm, hw_params);
 713
 714     access = SND_PCM_ACCESS_MMAP_INTERLEAVED;
 715     if ( ( err = snd_pcm_hw_params_set_access(pcm, hw_params, access ) ) < 0) {
 716         WARN("mmap not available. switching to standard write.\n");
 717         access = SND_PCM_ACCESS_RW_INTERLEAVED;
 718         EXIT_ON_ERROR( snd_pcm_hw_params_set_access(pcm, hw_params, access ), MMSYSERR_INVALPARAM, "unable to set access for playback");
 719         wwo->write = snd_pcm_writei;
 720     }
 721     else
 722         wwo->write = snd_pcm_mmap_writei;
 723
 724     if ((err = snd_pcm_hw_params_set_channels(pcm, hw_params, wwo->format.Format.nChannels)) < 0) {
 725         WARN("unable to set required channels: %d\n", wwo->format.Format.nChannels);
 726         if (dwFlags & WAVE_DIRECTSOUND) {
 727             if (wwo->format.Format.nChannels > 2)
 728                 wwo->format.Format.nChannels = 2;
 729             else if (wwo->format.Format.nChannels == 2)
 730                 wwo->format.Format.nChannels = 1;
 731             else if (wwo->format.Format.nChannels == 1)
 732                 wwo->format.Format.nChannels = 2;
 733             /* recalculate block align and bytes per second */
 734             wwo->format.Format.nBlockAlign = (wwo->format.Format.wBitsPerSample * wwo->format.Format.nChannels) / 8;
 735             wwo->format.Format.nAvgBytesPerSec = wwo->format.Format.nSamplesPerSec * wwo->format.Format.nBlockAlign;
 736             WARN("changed number of channels from %d to %d\n", lpDesc->lpFormat->nChannels, wwo->format.Format.nChannels);
 737         }
 738         EXIT_ON_ERROR( snd_pcm_hw_params_set_channels(pcm, hw_params, wwo->format.Format.nChannels ), WAVERR_BADFORMAT, "unable to set required channels" );
 739     }
 740
 741     if ((wwo->format.Format.wFormatTag == WAVE_FORMAT_PCM) ||
 742         ((wwo->format.Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE) &&
 743         IsEqualGUID(&wwo->format.SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))) {
 744         format = (wwo->format.Format.wBitsPerSample == 8) ? SND_PCM_FORMAT_U8 :
 745                  (wwo->format.Format.wBitsPerSample == 16) ? SND_PCM_FORMAT_S16_LE :
 746                  (wwo->format.Format.wBitsPerSample == 24) ? SND_PCM_FORMAT_S24_LE :
 747                  (wwo->format.Format.wBitsPerSample == 32) ? SND_PCM_FORMAT_S32_LE : -1;
 748     } else if ((wwo->format.Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE) &&
 749         IsEqualGUID(&wwo->format.SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)){
 750         format = (wwo->format.Format.wBitsPerSample == 32) ? SND_PCM_FORMAT_FLOAT_LE : -1;
 751     } else if (wwo->format.Format.wFormatTag == WAVE_FORMAT_MULAW) {
 752         FIXME("unimplemented format: WAVE_FORMAT_MULAW\n");
 753         retcode = WAVERR_BADFORMAT;
 754         goto errexit;
 755     } else if (wwo->format.Format.wFormatTag == WAVE_FORMAT_ALAW) {
 756         FIXME("unimplemented format: WAVE_FORMAT_ALAW\n");
 757         retcode = WAVERR_BADFORMAT;
 758         goto errexit;
 759     } else if (wwo->format.Format.wFormatTag == WAVE_FORMAT_ADPCM) {
 760         FIXME("unimplemented format: WAVE_FORMAT_ADPCM\n");
 761         retcode = WAVERR_BADFORMAT;
 762         goto errexit;
 763     } else {
 764         ERR("invalid format: %0x04x\n", wwo->format.Format.wFormatTag);
 765         retcode = WAVERR_BADFORMAT;
 766         goto errexit;
 767     }
 768
 769     if ((err = snd_pcm_hw_params_set_format(pcm, hw_params, format)) < 0) {
 770         WARN("unable to set required format: %s\n", snd_pcm_format_name(format));
 771         if (dwFlags & WAVE_DIRECTSOUND) {
 772             if ((wwo->format.Format.wFormatTag == WAVE_FORMAT_PCM) ||
 773                ((wwo->format.Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE) &&
 774                IsEqualGUID(&wwo->format.SubFormat, & KSDATAFORMAT_SUBTYPE_PCM))) {
 775                 if (wwo->format.Format.wBitsPerSample != 16) {
 776                     wwo->format.Format.wBitsPerSample = 16;
 777                     format = SND_PCM_FORMAT_S16_LE;
 778                 } else {
 779                     wwo->format.Format.wBitsPerSample = 8;
 780                     format = SND_PCM_FORMAT_U8;
 781                 }
 782                 /* recalculate block align and bytes per second */
 783                 wwo->format.Format.nBlockAlign = (wwo->format.Format.wBitsPerSample * wwo->format.Format.nChannels) / 8;
 784                 wwo->format.Format.nAvgBytesPerSec = wwo->format.Format.nSamplesPerSec * wwo->format.Format.nBlockAlign;
 785                 WARN("changed bits per sample from %d to %d\n", lpDesc->lpFormat->wBitsPerSample, wwo->format.Format.wBitsPerSample);
 786             }
 787         }
 788         EXIT_ON_ERROR( snd_pcm_hw_params_set_format(pcm, hw_params, format), WAVERR_BADFORMAT, "unable to set required format" );
 789     }
 790
 791     rate = wwo->format.Format.nSamplesPerSec;
 792     dir=0;
 793     err = snd_pcm_hw_params_set_rate_near(pcm, hw_params, &rate, &dir);
 794     if (err < 0) {
 795         WARN("Rate %d Hz not available for playback: %s\n", wwo->format.Format.nSamplesPerSec, snd_strerror(rate));
 796         retcode = WAVERR_BADFORMAT;
 797         goto errexit;
 798     }
 799     if (!ALSA_NearMatch(rate, wwo->format.Format.nSamplesPerSec)) {
 800         if (dwFlags & WAVE_DIRECTSOUND) {
 801             WARN("changed sample rate from %d Hz to %d Hz\n", wwo->format.Format.nSamplesPerSec, rate);
 802             wwo->format.Format.nSamplesPerSec = rate;
 803             /* recalculate bytes per second */
 804             wwo->format.Format.nAvgBytesPerSec = wwo->format.Format.nSamplesPerSec * wwo->format.Format.nBlockAlign;
 805         } else {
 806             WARN("Rate doesn't match (requested %d Hz, got %d Hz)\n", wwo->format.Format.nSamplesPerSec, rate);
 807             retcode = WAVERR_BADFORMAT;
 808             goto errexit;
 809         }
 810     }
 811
 812     /* give the new format back to direct sound */
 813     if (dwFlags & WAVE_DIRECTSOUND) {
 814         lpDesc->lpFormat->wFormatTag = wwo->format.Format.wFormatTag;
 815         lpDesc->lpFormat->nChannels = wwo->format.Format.nChannels;
 816         lpDesc->lpFormat->nSamplesPerSec = wwo->format.Format.nSamplesPerSec;
 817         lpDesc->lpFormat->wBitsPerSample = wwo->format.Format.wBitsPerSample;
 818         lpDesc->lpFormat->nBlockAlign = wwo->format.Format.nBlockAlign;
 819         lpDesc->lpFormat->nAvgBytesPerSec = wwo->format.Format.nAvgBytesPerSec;
 820     }
 821
 822     TRACE("Got this format: %dx%dx%d %s\n",
 823           wwo->format.Format.nSamplesPerSec,
 824           wwo->format.Format.wBitsPerSample,
 825           wwo->format.Format.nChannels,
 826           ALSA_getFormat(wwo->format.Format.wFormatTag));
 827
 828     dir=0;
 829     EXIT_ON_ERROR( snd_pcm_hw_params_set_buffer_time_near(pcm, hw_params, &buffer_time, &dir), MMSYSERR_INVALPARAM, "unable to set buffer time");
 830     dir=0;
 831     EXIT_ON_ERROR( snd_pcm_hw_params_set_period_time_near(pcm, hw_params, &period_time, &dir), MMSYSERR_INVALPARAM, "unable to set period time");
 832
 833     EXIT_ON_ERROR( snd_pcm_hw_params(pcm, hw_params), MMSYSERR_INVALPARAM, "unable to set hw params for playback");
 834
 835     err = snd_pcm_hw_params_get_period_size(hw_params, &period_size, &dir);
 836     err = snd_pcm_hw_params_get_buffer_size(hw_params, &buffer_size);
 837
 838     snd_pcm_sw_params_current(pcm, sw_params);
 839     EXIT_ON_ERROR( snd_pcm_sw_params_set_start_threshold(pcm, sw_params, dwFlags & WAVE_DIRECTSOUND ? INT_MAX : 1 ), MMSYSERR_ERROR, "unable to set start threshold");
 840     EXIT_ON_ERROR( snd_pcm_sw_params_set_silence_size(pcm, sw_params, 0), MMSYSERR_ERROR, "unable to set silence size");
 841     EXIT_ON_ERROR( snd_pcm_sw_params_set_avail_min(pcm, sw_params, period_size), MMSYSERR_ERROR, "unable to set avail min");
 842     EXIT_ON_ERROR( snd_pcm_sw_params_set_xfer_align(pcm, sw_params, 1), MMSYSERR_ERROR, "unable to set xfer align");
 843     EXIT_ON_ERROR( snd_pcm_sw_params_set_silence_threshold(pcm, sw_params, 0), MMSYSERR_ERROR, "unable to set silence threshold");
 844     EXIT_ON_ERROR( snd_pcm_sw_params_set_xrun_mode(pcm, sw_params, SND_PCM_XRUN_NONE), MMSYSERR_ERROR, "unable to set xrun mode");
 845     EXIT_ON_ERROR( snd_pcm_sw_params(pcm, sw_params), MMSYSERR_ERROR, "unable to set sw params for playback");
 846 #undef EXIT_ON_ERROR
 847
 848     snd_pcm_prepare(pcm);
 849
 850     if (TRACE_ON(wave))
 851         ALSA_TraceParameters(hw_params, sw_params, FALSE);
 852
 853     /* now, we can save all required data for later use... */
 854
 855     wwo->dwBufferSize = snd_pcm_frames_to_bytes(pcm, buffer_size);
 856     wwo->lpQueuePtr = wwo->lpPlayPtr = wwo->lpLoopPtr = NULL;
 857     wwo->dwPlayedTotal = wwo->dwWrittenTotal = 0;
 858     wwo->dwPartialOffset = 0;
 859
 860     ALSA_InitRingMessage(&wwo->msgRing);
 861
 862     if (!(dwFlags & WAVE_DIRECTSOUND)) {
 863         wwo->hStartUpEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
 864         wwo->hThread = CreateThread(NULL, 0, wodPlayer, (LPVOID)(DWORD)wDevID, 0, &(wwo->dwThreadID));
 865         if (wwo->hThread)
 866             SetThreadPriority(wwo->hThread, THREAD_PRIORITY_TIME_CRITICAL);
 867         else
 868         {
 869             ERR("Thread creation for the wodPlayer failed!\n");
 870             CloseHandle(wwo->hStartUpEvent);
 871             retcode = MMSYSERR_NOMEM;
 872             goto errexit;
 873         }
 874         WaitForSingleObject(wwo->hStartUpEvent, INFINITE);
 875         CloseHandle(wwo->hStartUpEvent);
 876     } else {
 877         wwo->hThread = INVALID_HANDLE_VALUE;
 878         wwo->dwThreadID = 0;
 879     }
 880     wwo->hStartUpEvent = INVALID_HANDLE_VALUE;
 881
 882     TRACE("handle=%p\n", pcm);
 883     TRACE("wBitsPerSample=%u, nAvgBytesPerSec=%u, nSamplesPerSec=%u, nChannels=%u nBlockAlign=%u!\n",
 884           wwo->format.Format.wBitsPerSample, wwo->format.Format.nAvgBytesPerSec,
 885           wwo->format.Format.nSamplesPerSec, wwo->format.Format.nChannels,
 886           wwo->format.Format.nBlockAlign);
 887
 888     wwo->pcm = pcm;
 889     wwo->hctl = hctl;
 890     if ( wwo->hw_params )
 891         snd_pcm_hw_params_free(wwo->hw_params);
 892     wwo->hw_params = hw_params;
 893
 894     return wodNotifyClient(wwo, WOM_OPEN, 0L, 0L);
 895
 896 errexit:
 897     if (pcm)
 898         snd_pcm_close(pcm);
 899
 900     if (hctl)
 901     {
 902         snd_hctl_free(hctl);
 903         snd_hctl_close(hctl);
 904     }
 905
 906     if ( hw_params )
 907         snd_pcm_hw_params_free(hw_params);
 908
 909     if (wwo->msgRing.ring_buffer_size > 0)
 910         ALSA_DestroyRingMessage(&wwo->msgRing);
 911
 912     return retcode;
 913 }
 914
 915
 916 /**************************************************************************
 917  *                              wodClose                        [internal]
 918  */
 919 static DWORD wodClose(WORD wDevID)
 920 {
 921     DWORD               ret = MMSYSERR_NOERROR;
 922     WINE_WAVEDEV*       wwo;
 923
 924     TRACE("(%u);\n", wDevID);
 925
 926     if (wDevID >= ALSA_WodNumDevs) {
 927         TRACE("Asked for device %d, but only %d known!\n", wDevID, ALSA_WodNumDevs);
 928         return MMSYSERR_BADDEVICEID;
 929     }
 930
 931     if (WOutDev[wDevID].pcm == NULL) {
 932         WARN("Requested to close already closed device %d!\n", wDevID);
 933         return MMSYSERR_BADDEVICEID;
 934     }
 935
 936     wwo = &WOutDev[wDevID];
 937     if (wwo->lpQueuePtr) {
 938         WARN("buffers still playing !\n");
 939         ret = WAVERR_STILLPLAYING;
 940     } else {
 941         if (wwo->hThread != INVALID_HANDLE_VALUE) {
 942             ALSA_AddRingMessage(&wwo->msgRing, WINE_WM_CLOSING, 0, TRUE);
 943         }
 944         ALSA_DestroyRingMessage(&wwo->msgRing);
 945
 946         if (wwo->hw_params)
 947             snd_pcm_hw_params_free(wwo->hw_params);
 948         wwo->hw_params = NULL;
 949
 950         if (wwo->pcm)
 951             snd_pcm_close(wwo->pcm);
 952         wwo->pcm = NULL;
 953
 954         if (wwo->hctl)
 955         {
 956             snd_hctl_free(wwo->hctl);
 957             snd_hctl_close(wwo->hctl);
 958         }
 959         wwo->hctl = NULL;
 960
 961         ret = wodNotifyClient(wwo, WOM_CLOSE, 0L, 0L);
 962     }
 963
 964     return ret;
 965 }
 966
 967
 968 /**************************************************************************
 969  *                              wodWrite                        [internal]
 970  *
 971  */
 972 static DWORD wodWrite(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
 973 {
 974     TRACE("(%u, %p, %08X);\n", wDevID, lpWaveHdr, dwSize);
 975
 976     if (wDevID >= ALSA_WodNumDevs) {
 977         TRACE("Asked for device %d, but only %d known!\n", wDevID, ALSA_WodNumDevs);
 978         return MMSYSERR_BADDEVICEID;
 979     }
 980
 981     if (WOutDev[wDevID].pcm == NULL) {
 982         WARN("Requested to write to closed device %d!\n", wDevID);
 983         return MMSYSERR_BADDEVICEID;
 984     }
 985
 986     if (lpWaveHdr->lpData == NULL || !(lpWaveHdr->dwFlags & WHDR_PREPARED))
 987         return WAVERR_UNPREPARED;
 988
 989     if (lpWaveHdr->dwFlags & WHDR_INQUEUE)
 990         return WAVERR_STILLPLAYING;
 991
 992     lpWaveHdr->dwFlags &= ~WHDR_DONE;
 993     lpWaveHdr->dwFlags |= WHDR_INQUEUE;
 994     lpWaveHdr->lpNext = 0;
 995
 996     ALSA_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_HEADER, (DWORD)lpWaveHdr, FALSE);
 997
 998     return MMSYSERR_NOERROR;
 999 }
1000
1001 /**************************************************************************
1002  *                      wodPause                                [internal]
1003  */
1004 static DWORD wodPause(WORD wDevID)
1005 {
1006     TRACE("(%u);!\n", wDevID);
1007
1008     if (wDevID >= ALSA_WodNumDevs) {
1009         TRACE("Asked for device %d, but only %d known!\n", wDevID, ALSA_WodNumDevs);
1010         return MMSYSERR_BADDEVICEID;
1011     }
1012
1013     if (WOutDev[wDevID].pcm == NULL) {
1014         WARN("Requested to pause closed device %d!\n", wDevID);
1015         return MMSYSERR_BADDEVICEID;
1016     }
1017
1018     ALSA_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_PAUSING, 0, TRUE);
1019
1020     return MMSYSERR_NOERROR;
1021 }
1022
1023 /**************************************************************************
1024  *                      wodRestart                              [internal]
1025  */
1026 static DWORD wodRestart(WORD wDevID)
1027 {
1028     TRACE("(%u);\n", wDevID);
1029
1030     if (wDevID >= ALSA_WodNumDevs) {
1031         TRACE("Asked for device %d, but only %d known!\n", wDevID, ALSA_WodNumDevs);
1032         return MMSYSERR_BADDEVICEID;
1033     }
1034
1035     if (WOutDev[wDevID].pcm == NULL) {
1036         WARN("Requested to restart closed device %d!\n", wDevID);
1037         return MMSYSERR_BADDEVICEID;
1038     }
1039
1040     if (WOutDev[wDevID].state == WINE_WS_PAUSED) {
1041         ALSA_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_RESTARTING, 0, TRUE);
1042     }
1043
1044     /* FIXME: is NotifyClient with WOM_DONE right ? (Comet Busters 1.3.3 needs this notification) */
1045     /* FIXME: Myst crashes with this ... hmm -MM
1046        return wodNotifyClient(wwo, WOM_DONE, 0L, 0L);
1047     */
1048
1049     return MMSYSERR_NOERROR;
1050 }
1051
1052 /**************************************************************************
1053  *                      wodReset                                [internal]
1054  */
1055 static DWORD wodReset(WORD wDevID)
1056 {
1057     TRACE("(%u);\n", wDevID);
1058
1059     if (wDevID >= ALSA_WodNumDevs) {
1060         TRACE("Asked for device %d, but only %d known!\n", wDevID, ALSA_WodNumDevs);
1061         return MMSYSERR_BADDEVICEID;
1062     }
1063
1064     if (WOutDev[wDevID].pcm == NULL) {
1065         WARN("Requested to reset closed device %d!\n", wDevID);
1066         return MMSYSERR_BADDEVICEID;
1067     }
1068
1069     ALSA_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_RESETTING, 0, TRUE);
1070
1071     return MMSYSERR_NOERROR;
1072 }
1073
1074 /**************************************************************************
1075  *                              wodGetPosition                  [internal]
1076  */
1077 static DWORD wodGetPosition(WORD wDevID, LPMMTIME lpTime, DWORD uSize)
1078 {
1079     WINE_WAVEDEV*       wwo;
1080
1081     TRACE("(%u, %p, %u);\n", wDevID, lpTime, uSize);
1082
1083     if (wDevID >= ALSA_WodNumDevs) {
1084         TRACE("Asked for device %d, but only %d known!\n", wDevID, ALSA_WodNumDevs);
1085         return MMSYSERR_BADDEVICEID;
1086     }
1087
1088     if (WOutDev[wDevID].pcm == NULL) {
1089         WARN("Requested to get position of closed device %d!\n", wDevID);
1090         return MMSYSERR_BADDEVICEID;
1091     }
1092
1093     if (lpTime == NULL) return MMSYSERR_INVALPARAM;
1094
1095     wwo = &WOutDev[wDevID];
1096     ALSA_AddRingMessage(&wwo->msgRing, WINE_WM_UPDATE, 0, TRUE);
1097
1098     return ALSA_bytes_to_mmtime(lpTime, wwo->dwPlayedTotal, &wwo->format);
1099 }
1100
1101 /**************************************************************************
1102  *                              wodBreakLoop                    [internal]
1103  */
1104 static DWORD wodBreakLoop(WORD wDevID)
1105 {
1106     TRACE("(%u);\n", wDevID);
1107
1108     if (wDevID >= ALSA_WodNumDevs) {
1109         TRACE("Asked for device %d, but only %d known!\n", wDevID, ALSA_WodNumDevs);
1110         return MMSYSERR_BADDEVICEID;
1111     }
1112
1113     if (WOutDev[wDevID].pcm == NULL) {
1114         WARN("Requested to breakloop of closed device %d!\n", wDevID);
1115         return MMSYSERR_BADDEVICEID;
1116     }
1117
1118     ALSA_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_BREAKLOOP, 0, TRUE);
1119     return MMSYSERR_NOERROR;
1120 }
1121
1122 /**************************************************************************
1123  *                              wodGetVolume                    [internal]
1124  */
1125 static DWORD wodGetVolume(WORD wDevID, LPDWORD lpdwVol)
1126 {
1127     WORD               wleft, wright;
1128     WINE_WAVEDEV*      wwo;
1129     int                min, max;
1130     int                left, right;
1131     DWORD              rc;
1132
1133     TRACE("(%u, %p);\n", wDevID, lpdwVol);
1134     if (wDevID >= ALSA_WodNumDevs) {
1135         TRACE("Asked for device %d, but only %d known!\n", wDevID, ALSA_WodNumDevs);
1136         return MMSYSERR_BADDEVICEID;
1137     }
1138
1139     if (lpdwVol == NULL)
1140         return MMSYSERR_NOTENABLED;
1141
1142     wwo = &WOutDev[wDevID];
1143
1144     if (lpdwVol == NULL)
1145         return MMSYSERR_NOTENABLED;
1146
1147     rc = ALSA_CheckSetVolume(wwo->hctl, &left, &right, &min, &max, NULL, NULL, NULL);
1148     if (rc == MMSYSERR_NOERROR)
1149     {
1150 #define VOLUME_ALSA_TO_WIN(x) (  ( (((x)-min) * 65535) + (max-min)/2 ) /(max-min))
1151         wleft = VOLUME_ALSA_TO_WIN(left);
1152         wright = VOLUME_ALSA_TO_WIN(right);
1153 #undef VOLUME_ALSA_TO_WIN
1154         TRACE("left=%d,right=%d,converted to windows left %d, right %d\n", left, right, wleft, wright);
1155         *lpdwVol = MAKELONG( wleft, wright );
1156     }
1157     else
1158         TRACE("CheckSetVolume failed; rc %d\n", rc);
1159
1160     return rc;
1161 }
1162
1163 /**************************************************************************
1164  *                              wodSetVolume                    [internal]
1165  */
1166 DWORD wodSetVolume(WORD wDevID, DWORD dwParam)
1167 {
1168     WORD               wleft, wright;
1169     WINE_WAVEDEV*      wwo;
1170     int                min, max;
1171     int                left, right;
1172     DWORD              rc;
1173
1174     TRACE("(%u, %08X);\n", wDevID, dwParam);
1175     if (wDevID >= ALSA_WodNumDevs) {
1176         TRACE("Asked for device %d, but only %d known!\n", wDevID, ALSA_WodNumDevs);
1177         return MMSYSERR_BADDEVICEID;
1178     }
1179
1180     wwo = &WOutDev[wDevID];
1181
1182     rc = ALSA_CheckSetVolume(wwo->hctl, NULL, NULL, &min, &max, NULL, NULL, NULL);
1183     if (rc == MMSYSERR_NOERROR)
1184     {
1185         wleft  = LOWORD(dwParam);
1186         wright = HIWORD(dwParam);
1187 #define VOLUME_WIN_TO_ALSA(x) ( (  ( ((x) * (max-min)) + 32767) / 65535) + min )
1188         left = VOLUME_WIN_TO_ALSA(wleft);
1189         right = VOLUME_WIN_TO_ALSA(wright);
1190 #undef VOLUME_WIN_TO_ALSA
1191         rc = ALSA_CheckSetVolume(wwo->hctl, NULL, NULL, NULL, NULL, NULL, &left, &right);
1192         if (rc == MMSYSERR_NOERROR)
1193             TRACE("set volume:  wleft=%d, wright=%d, converted to alsa left %d, right %d\n", wleft, wright, left, right);
1194         else
1195             TRACE("SetVolume failed; rc %d\n", rc);
1196     }
1197
1198     return rc;
1199 }
1200
1201 /**************************************************************************
1202  *                              wodGetNumDevs                   [internal]
1203  */
1204 static  DWORD   wodGetNumDevs(void)
1205 {
1206     return ALSA_WodNumDevs;
1207 }
1208
1209 /**************************************************************************
1210  *                              wodDevInterfaceSize             [internal]
1211  */
1212 static DWORD wodDevInterfaceSize(UINT wDevID, LPDWORD dwParam1)
1213 {
1214     TRACE("(%u, %p)\n", wDevID, dwParam1);
1215
1216     *dwParam1 = MultiByteToWideChar(CP_ACP, 0, WOutDev[wDevID].interface_name, -1,
1217                                     NULL, 0 ) * sizeof(WCHAR);
1218     return MMSYSERR_NOERROR;
1219 }
1220
1221 /**************************************************************************
1222  *                              wodDevInterface                 [internal]
1223  */
1224 static DWORD wodDevInterface(UINT wDevID, PWCHAR dwParam1, DWORD dwParam2)
1225 {
1226     if (dwParam2 >= MultiByteToWideChar(CP_ACP, 0, WOutDev[wDevID].interface_name, -1,
1227                                         NULL, 0 ) * sizeof(WCHAR))
1228     {
1229         MultiByteToWideChar(CP_ACP, 0, WOutDev[wDevID].interface_name, -1,
1230                             dwParam1, dwParam2 / sizeof(WCHAR));
1231         return MMSYSERR_NOERROR;
1232     }
1233     return MMSYSERR_INVALPARAM;
1234 }
1235
1236 /**************************************************************************
1237  *                              wodMessage (WINEALSA.@)
1238  */
1239 DWORD WINAPI ALSA_wodMessage(UINT wDevID, UINT wMsg, DWORD dwUser,
1240                              DWORD dwParam1, DWORD dwParam2)
1241 {
1242     TRACE("(%u, %s, %08X, %08X, %08X);\n",
1243           wDevID, ALSA_getMessage(wMsg), dwUser, dwParam1, dwParam2);
1244
1245     switch (wMsg) {
1246     case DRVM_INIT:
1247     case DRVM_EXIT:
1248     case DRVM_ENABLE:
1249     case DRVM_DISABLE:
1250         /* FIXME: Pretend this is supported */
1251         return 0;
1252     case WODM_OPEN:             return wodOpen          (wDevID, (LPWAVEOPENDESC)dwParam1,      dwParam2);
1253     case WODM_CLOSE:            return wodClose         (wDevID);
1254     case WODM_GETDEVCAPS:       return wodGetDevCaps    (wDevID, (LPWAVEOUTCAPSW)dwParam1,      dwParam2);
1255     case WODM_GETNUMDEVS:       return wodGetNumDevs    ();
1256     case WODM_GETPITCH:         return MMSYSERR_NOTSUPPORTED;
1257     case WODM_SETPITCH:         return MMSYSERR_NOTSUPPORTED;
1258     case WODM_GETPLAYBACKRATE:  return MMSYSERR_NOTSUPPORTED;
1259     case WODM_SETPLAYBACKRATE:  return MMSYSERR_NOTSUPPORTED;
1260     case WODM_WRITE:            return wodWrite         (wDevID, (LPWAVEHDR)dwParam1,           dwParam2);
1261     case WODM_PAUSE:            return wodPause         (wDevID);
1262     case WODM_GETPOS:           return wodGetPosition   (wDevID, (LPMMTIME)dwParam1,            dwParam2);
1263     case WODM_BREAKLOOP:        return wodBreakLoop     (wDevID);
1264     case WODM_PREPARE:          return MMSYSERR_NOTSUPPORTED;
1265     case WODM_UNPREPARE:        return MMSYSERR_NOTSUPPORTED;
1266     case WODM_GETVOLUME:        return wodGetVolume     (wDevID, (LPDWORD)dwParam1);
1267     case WODM_SETVOLUME:        return wodSetVolume     (wDevID, dwParam1);
1268     case WODM_RESTART:          return wodRestart       (wDevID);
1269     case WODM_RESET:            return wodReset         (wDevID);
1270     case DRV_QUERYDEVICEINTERFACESIZE: return wodDevInterfaceSize       (wDevID, (LPDWORD)dwParam1);
1271     case DRV_QUERYDEVICEINTERFACE:     return wodDevInterface           (wDevID, (PWCHAR)dwParam1, dwParam2);
1272     case DRV_QUERYDSOUNDIFACE:  return wodDsCreate      (wDevID, (PIDSDRIVER*)dwParam1);
1273     case DRV_QUERYDSOUNDDESC:   return wodDsDesc        (wDevID, (PDSDRIVERDESC)dwParam1);
1274
1275     default:
1276         FIXME("unknown message %d!\n", wMsg);
1277     }
1278     return MMSYSERR_NOTSUPPORTED;
1279 }
1280
1281 #else /* HAVE_ALSA */
1282
1283 /**************************************************************************
1284  *                              wodMessage (WINEALSA.@)
1285  */
1286 DWORD WINAPI ALSA_wodMessage(WORD wDevID, WORD wMsg, DWORD dwUser,
1287                              DWORD dwParam1, DWORD dwParam2)
1288 {
1289     FIXME("(%u, %04X, %08X, %08X, %08X):stub\n", wDevID, wMsg, dwUser, dwParam1, dwParam2);
1290     return MMSYSERR_NOTENABLED;
1291 }
1292
1293 #endif /* HAVE_ALSA */