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 "winuser.h"
  52 #include "winnls.h"
  53 #include "mmddk.h"
  54
  55 #include "alsa.h"
  56
  57 #include "wine/library.h"
  58 #include "wine/unicode.h"
  59 #include "wine/debug.h"
  60
  61 WINE_DEFAULT_DEBUG_CHANNEL(wave);
  62
  63 #ifdef HAVE_ALSA
  64
  65 WINE_WAVEDEV    *WOutDev;
  66 DWORD            ALSA_WodNumMallocedDevs;
  67 DWORD            ALSA_WodNumDevs;
  68
  69 /**************************************************************************
  70  *                      wodNotifyClient                 [internal]
  71  */
  72 static DWORD wodNotifyClient(WINE_WAVEDEV* wwo, WORD wMsg, DWORD dwParam1, DWORD dwParam2)
  73 {
  74     TRACE("wMsg = 0x%04x dwParm1 = %04X dwParam2 = %04X\n", wMsg, dwParam1, dwParam2);
  75
  76     switch (wMsg) {
  77     case WOM_OPEN:
  78     case WOM_CLOSE:
  79     case WOM_DONE:
  80         if (wwo->wFlags != DCB_NULL &&
  81             !DriverCallback(wwo->waveDesc.dwCallback, wwo->wFlags, (HDRVR)wwo->waveDesc.hWave,
  82                             wMsg, wwo->waveDesc.dwInstance, dwParam1, dwParam2)) {
  83             WARN("can't notify client !\n");
  84             return MMSYSERR_ERROR;
  85         }
  86         break;
  87     default:
  88         FIXME("Unknown callback message %u\n", wMsg);
  89         return MMSYSERR_INVALPARAM;
  90     }
  91     return MMSYSERR_NOERROR;
  92 }
  93
  94 /**************************************************************************
  95  *                              wodUpdatePlayedTotal    [internal]
  96  *
  97  */
  98 static BOOL wodUpdatePlayedTotal(WINE_WAVEDEV* wwo, snd_pcm_status_t* ps)
  99 {
 100     snd_pcm_sframes_t delay = 0;
 101     snd_pcm_state_t state;
 102
 103     state = snd_pcm_state(wwo->pcm);
 104     snd_pcm_delay(wwo->pcm, &delay);
 105
 106     /* A delay < 0 indicates an underrun; for our purposes that's 0.  */
 107     if (delay < 0)
 108     {
 109         WARN("Unexpected state (%d) or delay (%ld) while updating Total Played, resetting\n", state, delay);
 110         delay=0;
 111     }
 112     if (state == SND_PCM_STATE_XRUN)
 113         snd_pcm_start(wwo->pcm);
 114     InterlockedExchange((LONG*)&wwo->dwPlayedTotal, wwo->dwWrittenTotal - snd_pcm_frames_to_bytes(wwo->pcm, delay));
 115     return TRUE;
 116 }
 117
 118 /**************************************************************************
 119  *                              wodPlayer_BeginWaveHdr          [internal]
 120  *
 121  * Makes the specified lpWaveHdr the currently playing wave header.
 122  * If the specified wave header is a begin loop and we're not already in
 123  * a loop, setup the loop.
 124  */
 125 static void wodPlayer_BeginWaveHdr(WINE_WAVEDEV* wwo, LPWAVEHDR lpWaveHdr)
 126 {
 127     wwo->lpPlayPtr = lpWaveHdr;
 128
 129     if (!lpWaveHdr) return;
 130
 131     if (lpWaveHdr->dwFlags & WHDR_BEGINLOOP) {
 132         if (wwo->lpLoopPtr) {
 133             WARN("Already in a loop. Discarding loop on this header (%p)\n", lpWaveHdr);
 134         } else {
 135             TRACE("Starting loop (%dx) with %p\n", lpWaveHdr->dwLoops, lpWaveHdr);
 136             wwo->lpLoopPtr = lpWaveHdr;
 137             /* Windows does not touch WAVEHDR.dwLoops,
 138              * so we need to make an internal copy */
 139             wwo->dwLoops = lpWaveHdr->dwLoops;
 140         }
 141     }
 142     wwo->dwPartialOffset = 0;
 143 }
 144
 145 /**************************************************************************
 146  *                              wodPlayer_PlayPtrNext           [internal]
 147  *
 148  * Advance the play pointer to the next waveheader, looping if required.
 149  */
 150 static LPWAVEHDR wodPlayer_PlayPtrNext(WINE_WAVEDEV* wwo)
 151 {
 152     LPWAVEHDR lpWaveHdr = wwo->lpPlayPtr;
 153
 154     wwo->dwPartialOffset = 0;
 155     if ((lpWaveHdr->dwFlags & WHDR_ENDLOOP) && wwo->lpLoopPtr) {
 156         /* We're at the end of a loop, loop if required */
 157         if (--wwo->dwLoops > 0) {
 158             wwo->lpPlayPtr = wwo->lpLoopPtr;
 159         } else {
 160             /* Handle overlapping loops correctly */
 161             if (wwo->lpLoopPtr != lpWaveHdr && (lpWaveHdr->dwFlags & WHDR_BEGINLOOP)) {
 162                 FIXME("Correctly handled case ? (ending loop buffer also starts a new loop)\n");
 163                 /* shall we consider the END flag for the closing loop or for
 164                  * the opening one or for both ???
 165                  * code assumes for closing loop only
 166                  */
 167             } else {
 168                 lpWaveHdr = lpWaveHdr->lpNext;
 169             }
 170             wwo->lpLoopPtr = NULL;
 171             wodPlayer_BeginWaveHdr(wwo, lpWaveHdr);
 172         }
 173     } else {
 174         /* We're not in a loop.  Advance to the next wave header */
 175         wodPlayer_BeginWaveHdr(wwo, lpWaveHdr = lpWaveHdr->lpNext);
 176     }
 177
 178     return lpWaveHdr;
 179 }
 180
 181 /**************************************************************************
 182  *                           wodPlayer_DSPWait                  [internal]
 183  * Returns the number of milliseconds to wait for the DSP buffer to play a
 184  * period
 185  */
 186 static DWORD wodPlayer_DSPWait(const WINE_WAVEDEV *wwo)
 187 {
 188     /* time for one period to be played */
 189     unsigned int val=0;
 190     int dir=0;
 191     int err=0;
 192     err = snd_pcm_hw_params_get_period_time(wwo->hw_params, &val, &dir);
 193     return val / 1000;
 194 }
 195
 196 /**************************************************************************
 197  *                           wodPlayer_NotifyWait               [internal]
 198  * Returns the number of milliseconds to wait before attempting to notify
 199  * completion of the specified wavehdr.
 200  * This is based on the number of bytes remaining to be written in the
 201  * wave.
 202  */
 203 static DWORD wodPlayer_NotifyWait(const WINE_WAVEDEV* wwo, LPWAVEHDR lpWaveHdr)
 204 {
 205     DWORD dwMillis;
 206
 207     if (lpWaveHdr->reserved < wwo->dwPlayedTotal) {
 208         dwMillis = 1;
 209     } else {
 210         dwMillis = (lpWaveHdr->reserved - wwo->dwPlayedTotal) * 1000 / wwo->format.Format.nAvgBytesPerSec;
 211         if (!dwMillis) dwMillis = 1;
 212     }
 213
 214     return dwMillis;
 215 }
 216
 217
 218 /**************************************************************************
 219  *                           wodPlayer_WriteMaxFrags            [internal]
 220  * Writes the maximum number of frames possible to the DSP and returns
 221  * the number of frames written.
 222  */
 223 static int wodPlayer_WriteMaxFrags(WINE_WAVEDEV* wwo, DWORD* frames)
 224 {
 225     /* Only attempt to write to free frames */
 226     LPWAVEHDR lpWaveHdr = wwo->lpPlayPtr;
 227     DWORD dwLength = snd_pcm_bytes_to_frames(wwo->pcm, lpWaveHdr->dwBufferLength - wwo->dwPartialOffset);
 228     int toWrite = min(dwLength, *frames);
 229     int written;
 230
 231     TRACE("Writing wavehdr %p.%u[%u]\n", lpWaveHdr, wwo->dwPartialOffset, lpWaveHdr->dwBufferLength);
 232
 233     if (toWrite > 0) {
 234         written = (wwo->write)(wwo->pcm, lpWaveHdr->lpData + wwo->dwPartialOffset, toWrite);
 235         if ( written < 0) {
 236             /* XRUN occurred. let's try to recover */
 237             ALSA_XRUNRecovery(wwo, written);
 238             written = (wwo->write)(wwo->pcm, lpWaveHdr->lpData + wwo->dwPartialOffset, toWrite);
 239         }
 240         if (written <= 0) {
 241             /* still in error */
 242             ERR("Error in writing wavehdr. Reason: %s\n", snd_strerror(written));
 243             return written;
 244         }
 245     } else
 246         written = 0;
 247
 248     wwo->dwPartialOffset += snd_pcm_frames_to_bytes(wwo->pcm, written);
 249     if ( wwo->dwPartialOffset >= lpWaveHdr->dwBufferLength) {
 250         /* this will be used to check if the given wave header has been fully played or not... */
 251         wwo->dwPartialOffset = lpWaveHdr->dwBufferLength;
 252         /* If we wrote all current wavehdr, skip to the next one */
 253         wodPlayer_PlayPtrNext(wwo);
 254     }
 255     *frames -= written;
 256     wwo->dwWrittenTotal += snd_pcm_frames_to_bytes(wwo->pcm, written);
 257     TRACE("dwWrittenTotal=%u\n", wwo->dwWrittenTotal);
 258
 259     return written;
 260 }
 261
 262
 263 /**************************************************************************
 264  *                              wodPlayer_NotifyCompletions     [internal]
 265  *
 266  * Notifies and remove from queue all wavehdrs which have been played to
 267  * the speaker (ie. they have cleared the ALSA buffer).  If force is true,
 268  * we notify all wavehdrs and remove them all from the queue even if they
 269  * are unplayed or part of a loop.
 270  */
 271 static DWORD wodPlayer_NotifyCompletions(WINE_WAVEDEV* wwo, BOOL force)
 272 {
 273     LPWAVEHDR           lpWaveHdr;
 274
 275     /* Start from lpQueuePtr and keep notifying until:
 276      * - we hit an unwritten wavehdr
 277      * - we hit the beginning of a running loop
 278      * - we hit a wavehdr which hasn't finished playing
 279      */
 280     for (;;)
 281     {
 282         lpWaveHdr = wwo->lpQueuePtr;
 283         if (!lpWaveHdr) {TRACE("Empty queue\n"); break;}
 284         if (!force)
 285         {
 286             snd_pcm_uframes_t frames;
 287             snd_pcm_hw_params_get_period_size(wwo->hw_params, &frames, NULL);
 288
 289             if (lpWaveHdr == wwo->lpPlayPtr) {TRACE("play %p\n", lpWaveHdr); break;}
 290             if (lpWaveHdr == wwo->lpLoopPtr) {TRACE("loop %p\n", lpWaveHdr); break;}
 291             if (lpWaveHdr->reserved > wwo->dwPlayedTotal + frames) {TRACE("still playing %p (%u/%u)\n", lpWaveHdr, lpWaveHdr->reserved, wwo->dwPlayedTotal);break;}
 292         }
 293         wwo->dwPlayedTotal += lpWaveHdr->reserved - wwo->dwPlayedTotal;
 294         wwo->lpQueuePtr = lpWaveHdr->lpNext;
 295
 296         lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
 297         lpWaveHdr->dwFlags |= WHDR_DONE;
 298
 299         wodNotifyClient(wwo, WOM_DONE, (DWORD)lpWaveHdr, 0);
 300     }
 301     return  (lpWaveHdr && lpWaveHdr != wwo->lpPlayPtr && lpWaveHdr != wwo->lpLoopPtr) ?
 302         wodPlayer_NotifyWait(wwo, lpWaveHdr) : INFINITE;
 303 }
 304
 305
 306 /**************************************************************************
 307  *                              wodPlayer_Reset                 [internal]
 308  *
 309  * wodPlayer helper. Resets current output stream.
 310  */
 311 static  void    wodPlayer_Reset(WINE_WAVEDEV* wwo, BOOL reset)
 312 {
 313     int                         err;
 314     TRACE("(%p)\n", wwo);
 315
 316     /* flush all possible output */
 317     snd_pcm_drain(wwo->pcm);
 318
 319     wodUpdatePlayedTotal(wwo, NULL);
 320     /* updates current notify list */
 321     wodPlayer_NotifyCompletions(wwo, FALSE);
 322
 323     if ( (err = snd_pcm_drop(wwo->pcm)) < 0) {
 324         FIXME("flush: %s\n", snd_strerror(err));
 325         wwo->hThread = 0;
 326         wwo->state = WINE_WS_STOPPED;
 327         ExitThread(-1);
 328     }
 329     if ( (err = snd_pcm_prepare(wwo->pcm)) < 0 )
 330         ERR("pcm prepare failed: %s\n", snd_strerror(err));
 331
 332     if (reset) {
 333         enum win_wm_message     msg;
 334         DWORD                   param;
 335         HANDLE                  ev;
 336
 337         /* remove any buffer */
 338         wodPlayer_NotifyCompletions(wwo, TRUE);
 339
 340         wwo->lpPlayPtr = wwo->lpQueuePtr = wwo->lpLoopPtr = NULL;
 341         wwo->state = WINE_WS_STOPPED;
 342         wwo->dwPlayedTotal = wwo->dwWrittenTotal = 0;
 343         /* Clear partial wavehdr */
 344         wwo->dwPartialOffset = 0;
 345
 346         /* remove any existing message in the ring */
 347         EnterCriticalSection(&wwo->msgRing.msg_crst);
 348         /* return all pending headers in queue */
 349         while (ALSA_RetrieveRingMessage(&wwo->msgRing, &msg, &param, &ev))
 350         {
 351             if (msg != WINE_WM_HEADER)
 352             {
 353                 FIXME("shouldn't have headers left\n");
 354                 SetEvent(ev);
 355                 continue;
 356             }
 357             ((LPWAVEHDR)param)->dwFlags &= ~WHDR_INQUEUE;
 358             ((LPWAVEHDR)param)->dwFlags |= WHDR_DONE;
 359
 360                 wodNotifyClient(wwo, WOM_DONE, param, 0);
 361         }
 362         ALSA_ResetRingMessage(&wwo->msgRing);
 363         LeaveCriticalSection(&wwo->msgRing.msg_crst);
 364     } else {
 365         if (wwo->lpLoopPtr) {
 366             /* complicated case, not handled yet (could imply modifying the loop counter */
 367             FIXME("Pausing while in loop isn't correctly handled yet, except strange results\n");
 368             wwo->lpPlayPtr = wwo->lpLoopPtr;
 369             wwo->dwPartialOffset = 0;
 370             wwo->dwWrittenTotal = wwo->dwPlayedTotal; /* this is wrong !!! */
 371         } else {
 372             LPWAVEHDR   ptr;
 373             DWORD       sz = wwo->dwPartialOffset;
 374
 375             /* reset all the data as if we had written only up to lpPlayedTotal bytes */
 376             /* compute the max size playable from lpQueuePtr */
 377             for (ptr = wwo->lpQueuePtr; ptr != wwo->lpPlayPtr; ptr = ptr->lpNext) {
 378                 sz += ptr->dwBufferLength;
 379             }
 380             /* because the reset lpPlayPtr will be lpQueuePtr */
 381             if (wwo->dwWrittenTotal > wwo->dwPlayedTotal + sz) ERR("grin\n");
 382             wwo->dwPartialOffset = sz - (wwo->dwWrittenTotal - wwo->dwPlayedTotal);
 383             wwo->dwWrittenTotal = wwo->dwPlayedTotal;
 384             wwo->lpPlayPtr = wwo->lpQueuePtr;
 385         }
 386         wwo->state = WINE_WS_PAUSED;
 387     }
 388 }
 389
 390 /**************************************************************************
 391  *                    wodPlayer_ProcessMessages                 [internal]
 392  */
 393 static void wodPlayer_ProcessMessages(WINE_WAVEDEV* wwo)
 394 {
 395     LPWAVEHDR           lpWaveHdr;
 396     enum win_wm_message msg;
 397     DWORD               param;
 398     HANDLE              ev;
 399     int                 err;
 400
 401     while (ALSA_RetrieveRingMessage(&wwo->msgRing, &msg, &param, &ev)) {
 402      TRACE("Received %s %x\n", ALSA_getCmdString(msg), param);
 403
 404         switch (msg) {
 405         case WINE_WM_PAUSING:
 406             if ( snd_pcm_state(wwo->pcm) == SND_PCM_STATE_RUNNING )
 407              {
 408                 if ( snd_pcm_hw_params_can_pause(wwo->hw_params) )
 409                 {
 410                     err = snd_pcm_pause(wwo->pcm, 1);
 411                     if ( err < 0 )
 412                         ERR("pcm_pause failed: %s\n", snd_strerror(err));
 413                     wwo->state = WINE_WS_PAUSED;
 414                 }
 415                 else
 416                 {
 417                     wodPlayer_Reset(wwo,FALSE);
 418                 }
 419              }
 420             SetEvent(ev);
 421             break;
 422         case WINE_WM_RESTARTING:
 423             if (wwo->state == WINE_WS_PAUSED)
 424             {
 425                 if ( snd_pcm_state(wwo->pcm) == SND_PCM_STATE_PAUSED )
 426                  {
 427                     err = snd_pcm_pause(wwo->pcm, 0);
 428                     if ( err < 0 )
 429                         ERR("pcm_pause failed: %s\n", snd_strerror(err));
 430                  }
 431                 wwo->state = WINE_WS_PLAYING;
 432             }
 433             SetEvent(ev);
 434             break;
 435         case WINE_WM_HEADER:
 436             lpWaveHdr = (LPWAVEHDR)param;
 437
 438             /* insert buffer at the end of queue */
 439             {
 440                 LPWAVEHDR*      wh;
 441                 for (wh = &(wwo->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
 442                 *wh = lpWaveHdr;
 443             }
 444             if (!wwo->lpPlayPtr)
 445                 wodPlayer_BeginWaveHdr(wwo,lpWaveHdr);
 446             if (wwo->state == WINE_WS_STOPPED)
 447                 wwo->state = WINE_WS_PLAYING;
 448             break;
 449         case WINE_WM_RESETTING:
 450             wodPlayer_Reset(wwo,TRUE);
 451             SetEvent(ev);
 452             break;
 453         case WINE_WM_BREAKLOOP:
 454             if (wwo->state == WINE_WS_PLAYING && wwo->lpLoopPtr != NULL) {
 455                 /* ensure exit at end of current loop */
 456                 wwo->dwLoops = 1;
 457             }
 458             SetEvent(ev);
 459             break;
 460         case WINE_WM_CLOSING:
 461             /* sanity check: this should not happen since the device must have been reset before */
 462             if (wwo->lpQueuePtr || wwo->lpPlayPtr) ERR("out of sync\n");
 463             wwo->hThread = 0;
 464             wwo->state = WINE_WS_CLOSED;
 465             SetEvent(ev);
 466             ExitThread(0);
 467             /* shouldn't go here */
 468         default:
 469             FIXME("unknown message %d\n", msg);
 470             break;
 471         }
 472     }
 473 }
 474
 475 /**************************************************************************
 476  *                           wodPlayer_FeedDSP                  [internal]
 477  * Feed as much sound data as we can into the DSP and return the number of
 478  * milliseconds before it will be necessary to feed the DSP again.
 479  */
 480 static DWORD wodPlayer_FeedDSP(WINE_WAVEDEV* wwo)
 481 {
 482     DWORD               availInQ;
 483
 484     wodUpdatePlayedTotal(wwo, NULL);
 485     availInQ = snd_pcm_avail_update(wwo->pcm);
 486
 487     /* no more room... no need to try to feed */
 488     if (availInQ > 0) {
 489         /* Feed from partial wavehdr */
 490         if (wwo->lpPlayPtr && wwo->dwPartialOffset != 0) {
 491             wodPlayer_WriteMaxFrags(wwo, &availInQ);
 492         }
 493
 494         /* Feed wavehdrs until we run out of wavehdrs or DSP space */
 495         if (wwo->dwPartialOffset == 0 && wwo->lpPlayPtr) {
 496             do {
 497                 TRACE("Setting time to elapse for %p to %u\n",
 498                       wwo->lpPlayPtr, wwo->dwWrittenTotal + wwo->lpPlayPtr->dwBufferLength);
 499                 /* note the value that dwPlayedTotal will return when this wave finishes playing */
 500                 wwo->lpPlayPtr->reserved = wwo->dwWrittenTotal + wwo->lpPlayPtr->dwBufferLength;
 501             } while (wodPlayer_WriteMaxFrags(wwo, &availInQ) && wwo->lpPlayPtr && availInQ > 0);
 502         }
 503     }
 504
 505     return wodPlayer_DSPWait(wwo);
 506 }
 507
 508 /**************************************************************************
 509  *                              wodPlayer                       [internal]
 510  */
 511 static  DWORD   CALLBACK        wodPlayer(LPVOID pmt)
 512 {
 513     WORD          uDevID = (DWORD)pmt;
 514     WINE_WAVEDEV* wwo = (WINE_WAVEDEV*)&WOutDev[uDevID];
 515     DWORD         dwNextFeedTime = INFINITE;   /* Time before DSP needs feeding */
 516     DWORD         dwNextNotifyTime = INFINITE; /* Time before next wave completion */
 517     DWORD         dwSleepTime;
 518
 519     wwo->state = WINE_WS_STOPPED;
 520     SetEvent(wwo->hStartUpEvent);
 521
 522     for (;;) {
 523         /** Wait for the shortest time before an action is required.  If there
 524          *  are no pending actions, wait forever for a command.
 525          */
 526         dwSleepTime = min(dwNextFeedTime, dwNextNotifyTime);
 527         TRACE("waiting %ums (%u,%u)\n", dwSleepTime, dwNextFeedTime, dwNextNotifyTime);
 528         ALSA_WaitRingMessage(&wwo->msgRing, dwSleepTime);
 529         wodPlayer_ProcessMessages(wwo);
 530         if (wwo->state == WINE_WS_PLAYING) {
 531             dwNextFeedTime = wodPlayer_FeedDSP(wwo);
 532             dwNextNotifyTime = wodPlayer_NotifyCompletions(wwo, FALSE);
 533             if (dwNextFeedTime == INFINITE) {
 534                 /* FeedDSP ran out of data, but before giving up, */
 535                 /* check that a notification didn't give us more */
 536                 wodPlayer_ProcessMessages(wwo);
 537                 if (wwo->lpPlayPtr) {
 538                     TRACE("recovering\n");
 539                     dwNextFeedTime = wodPlayer_FeedDSP(wwo);
 540                 }
 541             }
 542         } else {
 543             dwNextFeedTime = dwNextNotifyTime = INFINITE;
 544         }
 545     }
 546     return 0;
 547 }
 548
 549 /**************************************************************************
 550  *                      wodGetDevCaps                           [internal]
 551  */
 552 static DWORD wodGetDevCaps(WORD wDevID, LPWAVEOUTCAPSW lpCaps, DWORD dwSize)
 553 {
 554     TRACE("(%u, %p, %u);\n", wDevID, lpCaps, dwSize);
 555
 556     if (lpCaps == NULL) return MMSYSERR_NOTENABLED;
 557
 558     if (wDevID >= ALSA_WodNumDevs) {
 559         TRACE("Asked for device %d, but only %d known!\n", wDevID, ALSA_WodNumDevs);
 560         return MMSYSERR_BADDEVICEID;
 561     }
 562
 563     memcpy(lpCaps, &WOutDev[wDevID].outcaps, min(dwSize, sizeof(*lpCaps)));
 564     return MMSYSERR_NOERROR;
 565 }
 566
 567 /**************************************************************************
 568  *                              wodOpen                         [internal]
 569  */
 570 static DWORD wodOpen(WORD wDevID, LPWAVEOPENDESC lpDesc, DWORD dwFlags)
 571 {
 572     WINE_WAVEDEV*               wwo;
 573     snd_pcm_t *                 pcm = NULL;
 574     snd_hctl_t *                hctl = NULL;
 575     snd_pcm_hw_params_t *       hw_params = NULL;
 576     snd_pcm_sw_params_t *       sw_params;
 577     snd_pcm_access_t            access;
 578     snd_pcm_format_t            format = -1;
 579     unsigned int                rate;
 580     unsigned int                buffer_time = 120000;
 581     unsigned int                period_time = 20000;
 582     snd_pcm_uframes_t           buffer_size;
 583     snd_pcm_uframes_t           period_size;
 584     int                         flags;
 585     int                         err=0;
 586     int                         dir=0;
 587     DWORD                       retcode = 0;
 588
 589     TRACE("(%u, %p, %08X);\n", wDevID, lpDesc, dwFlags);
 590     if (lpDesc == NULL) {
 591         WARN("Invalid Parameter !\n");
 592         return MMSYSERR_INVALPARAM;
 593     }
 594     if (wDevID >= ALSA_WodNumDevs) {
 595         TRACE("Asked for device %d, but only %d known!\n", wDevID, ALSA_WodNumDevs);
 596         return MMSYSERR_BADDEVICEID;
 597     }
 598
 599     /* only PCM format is supported so far... */
 600     if (!ALSA_supportedFormat(lpDesc->lpFormat)) {
 601         WARN("Bad format: tag=%04X nChannels=%d nSamplesPerSec=%d !\n",
 602              lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
 603              lpDesc->lpFormat->nSamplesPerSec);
 604         return WAVERR_BADFORMAT;
 605     }
 606
 607     if (dwFlags & WAVE_FORMAT_QUERY) {
 608         TRACE("Query format: tag=%04X nChannels=%d nSamplesPerSec=%d !\n",
 609              lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
 610              lpDesc->lpFormat->nSamplesPerSec);
 611         return MMSYSERR_NOERROR;
 612     }
 613
 614     wwo = &WOutDev[wDevID];
 615
 616     if (wwo->pcm != NULL) {
 617         WARN("%d already allocated\n", wDevID);
 618         return MMSYSERR_ALLOCATED;
 619     }
 620
 621     if (dwFlags & WAVE_DIRECTSOUND)
 622         FIXME("Why are we called with DirectSound flag? It doesn't use MMSYSTEM any more\n");
 623         /* not supported, ignore it */
 624     dwFlags &= ~WAVE_DIRECTSOUND;
 625
 626     flags = SND_PCM_NONBLOCK;
 627
 628     if ( (err = snd_pcm_open(&pcm, wwo->pcmname, SND_PCM_STREAM_PLAYBACK, flags)) < 0)
 629     {
 630         ERR("Error open: %s\n", snd_strerror(err));
 631         return MMSYSERR_NOTENABLED;
 632     }
 633
 634     if (wwo->ctlname)
 635     {
 636         err = snd_hctl_open(&hctl, wwo->ctlname, 0);
 637         if (err >= 0)
 638         {
 639             snd_hctl_load(hctl);
 640         }
 641         else
 642         {
 643             WARN("Could not open hctl for [%s]: %s\n", wwo->ctlname, snd_strerror(err));
 644             hctl = NULL;
 645         }
 646     }
 647
 648     wwo->wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
 649
 650     wwo->waveDesc = *lpDesc;
 651     ALSA_copyFormat(lpDesc->lpFormat, &wwo->format);
 652
 653     TRACE("Requested this format: %dx%dx%d %s\n",
 654           wwo->format.Format.nSamplesPerSec,
 655           wwo->format.Format.wBitsPerSample,
 656           wwo->format.Format.nChannels,
 657           ALSA_getFormat(wwo->format.Format.wFormatTag));
 658
 659     if (wwo->format.Format.wBitsPerSample == 0) {
 660         WARN("Resetting zeroed wBitsPerSample\n");
 661         wwo->format.Format.wBitsPerSample = 8 *
 662             (wwo->format.Format.nAvgBytesPerSec /
 663              wwo->format.Format.nSamplesPerSec) /
 664             wwo->format.Format.nChannels;
 665     }
 666
 667 #define EXIT_ON_ERROR(f,e,txt) do \
 668 { \
 669     int err; \
 670     if ( (err = (f) ) < 0) \
 671     { \
 672         WARN(txt ": %s\n", snd_strerror(err)); \
 673         retcode=e; \
 674         goto errexit; \
 675     } \
 676 } while(0)
 677
 678     sw_params = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, snd_pcm_sw_params_sizeof() );
 679     snd_pcm_hw_params_malloc(&hw_params);
 680     if (! hw_params)
 681     {
 682         retcode = MMSYSERR_NOMEM;
 683         goto errexit;
 684     }
 685     snd_pcm_hw_params_any(pcm, hw_params);
 686
 687     access = SND_PCM_ACCESS_MMAP_INTERLEAVED;
 688     if ( ( err = snd_pcm_hw_params_set_access(pcm, hw_params, access ) ) < 0) {
 689         WARN("mmap not available. switching to standard write.\n");
 690         access = SND_PCM_ACCESS_RW_INTERLEAVED;
 691         EXIT_ON_ERROR( snd_pcm_hw_params_set_access(pcm, hw_params, access ), MMSYSERR_INVALPARAM, "unable to set access for playback");
 692         wwo->write = snd_pcm_writei;
 693     }
 694     else
 695         wwo->write = snd_pcm_mmap_writei;
 696
 697     if ((err = snd_pcm_hw_params_set_channels(pcm, hw_params, wwo->format.Format.nChannels)) < 0) {
 698         WARN("unable to set required channels: %d\n", wwo->format.Format.nChannels);
 699         EXIT_ON_ERROR( snd_pcm_hw_params_set_channels(pcm, hw_params, wwo->format.Format.nChannels ), WAVERR_BADFORMAT, "unable to set required channels" );
 700     }
 701
 702     if ((wwo->format.Format.wFormatTag == WAVE_FORMAT_PCM) ||
 703         ((wwo->format.Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE) &&
 704         IsEqualGUID(&wwo->format.SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))) {
 705         format = (wwo->format.Format.wBitsPerSample == 8) ? SND_PCM_FORMAT_U8 :
 706                  (wwo->format.Format.wBitsPerSample == 16) ? SND_PCM_FORMAT_S16_LE :
 707                  (wwo->format.Format.wBitsPerSample == 24) ? SND_PCM_FORMAT_S24_3LE :
 708                  (wwo->format.Format.wBitsPerSample == 32) ? SND_PCM_FORMAT_S32_LE : -1;
 709     } else if ((wwo->format.Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE) &&
 710         IsEqualGUID(&wwo->format.SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)){
 711         format = (wwo->format.Format.wBitsPerSample == 32) ? SND_PCM_FORMAT_FLOAT_LE : -1;
 712     } else if (wwo->format.Format.wFormatTag == WAVE_FORMAT_MULAW) {
 713         FIXME("unimplemented format: WAVE_FORMAT_MULAW\n");
 714         retcode = WAVERR_BADFORMAT;
 715         goto errexit;
 716     } else if (wwo->format.Format.wFormatTag == WAVE_FORMAT_ALAW) {
 717         FIXME("unimplemented format: WAVE_FORMAT_ALAW\n");
 718         retcode = WAVERR_BADFORMAT;
 719         goto errexit;
 720     } else if (wwo->format.Format.wFormatTag == WAVE_FORMAT_ADPCM) {
 721         FIXME("unimplemented format: WAVE_FORMAT_ADPCM\n");
 722         retcode = WAVERR_BADFORMAT;
 723         goto errexit;
 724     } else {
 725         ERR("invalid format: %0x04x\n", wwo->format.Format.wFormatTag);
 726         retcode = WAVERR_BADFORMAT;
 727         goto errexit;
 728     }
 729
 730     if ((err = snd_pcm_hw_params_set_format(pcm, hw_params, format)) < 0) {
 731         WARN("unable to set required format: %s\n", snd_pcm_format_name(format));
 732         EXIT_ON_ERROR( snd_pcm_hw_params_set_format(pcm, hw_params, format), WAVERR_BADFORMAT, "unable to set required format" );
 733     }
 734
 735     rate = wwo->format.Format.nSamplesPerSec;
 736     dir=0;
 737     err = snd_pcm_hw_params_set_rate_near(pcm, hw_params, &rate, &dir);
 738     if (err < 0) {
 739         WARN("Rate %d Hz not available for playback: %s\n", wwo->format.Format.nSamplesPerSec, snd_strerror(rate));
 740         retcode = WAVERR_BADFORMAT;
 741         goto errexit;
 742     }
 743     if (!ALSA_NearMatch(rate, wwo->format.Format.nSamplesPerSec)) {
 744         WARN("Rate doesn't match (requested %d Hz, got %d Hz)\n", wwo->format.Format.nSamplesPerSec, rate);
 745         retcode = WAVERR_BADFORMAT;
 746         goto errexit;
 747     }
 748
 749     TRACE("Got this format: %dx%dx%d %s\n",
 750           wwo->format.Format.nSamplesPerSec,
 751           wwo->format.Format.wBitsPerSample,
 752           wwo->format.Format.nChannels,
 753           ALSA_getFormat(wwo->format.Format.wFormatTag));
 754
 755     dir=0;
 756     EXIT_ON_ERROR( snd_pcm_hw_params_set_buffer_time_near(pcm, hw_params, &buffer_time, &dir), MMSYSERR_INVALPARAM, "unable to set buffer time");
 757     dir=0;
 758     EXIT_ON_ERROR( snd_pcm_hw_params_set_period_time_near(pcm, hw_params, &period_time, &dir), MMSYSERR_INVALPARAM, "unable to set period time");
 759
 760     EXIT_ON_ERROR( snd_pcm_hw_params(pcm, hw_params), MMSYSERR_INVALPARAM, "unable to set hw params for playback");
 761
 762     err = snd_pcm_hw_params_get_period_size(hw_params, &period_size, &dir);
 763     err = snd_pcm_hw_params_get_buffer_size(hw_params, &buffer_size);
 764
 765     snd_pcm_sw_params_current(pcm, sw_params);
 766
 767     EXIT_ON_ERROR( snd_pcm_sw_params_set_start_threshold(pcm, sw_params, 1), MMSYSERR_ERROR, "unable to set start threshold");
 768     EXIT_ON_ERROR( snd_pcm_sw_params_set_silence_size(pcm, sw_params, 0), MMSYSERR_ERROR, "unable to set silence size");
 769     EXIT_ON_ERROR( snd_pcm_sw_params_set_avail_min(pcm, sw_params, period_size), MMSYSERR_ERROR, "unable to set avail min");
 770     EXIT_ON_ERROR( snd_pcm_sw_params_set_silence_threshold(pcm, sw_params, 0), MMSYSERR_ERROR, "unable to set silence threshold");
 771     EXIT_ON_ERROR( snd_pcm_sw_params(pcm, sw_params), MMSYSERR_ERROR, "unable to set sw params for playback");
 772 #undef EXIT_ON_ERROR
 773
 774     snd_pcm_prepare(pcm);
 775
 776     if (TRACE_ON(wave))
 777         ALSA_TraceParameters(hw_params, sw_params, FALSE);
 778
 779     /* now, we can save all required data for later use... */
 780
 781     wwo->dwBufferSize = snd_pcm_frames_to_bytes(pcm, buffer_size);
 782     wwo->lpQueuePtr = wwo->lpPlayPtr = wwo->lpLoopPtr = NULL;
 783     wwo->dwPlayedTotal = wwo->dwWrittenTotal = 0;
 784     wwo->dwPartialOffset = 0;
 785
 786     ALSA_InitRingMessage(&wwo->msgRing);
 787
 788     wwo->hStartUpEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
 789     wwo->hThread = CreateThread(NULL, 0, wodPlayer, (LPVOID)(DWORD)wDevID, 0, &(wwo->dwThreadID));
 790     if (wwo->hThread)
 791         SetThreadPriority(wwo->hThread, THREAD_PRIORITY_TIME_CRITICAL);
 792     else
 793     {
 794         ERR("Thread creation for the wodPlayer failed!\n");
 795         CloseHandle(wwo->hStartUpEvent);
 796         retcode = MMSYSERR_NOMEM;
 797         goto errexit;
 798     }
 799     WaitForSingleObject(wwo->hStartUpEvent, INFINITE);
 800     CloseHandle(wwo->hStartUpEvent);
 801     wwo->hStartUpEvent = INVALID_HANDLE_VALUE;
 802
 803     TRACE("handle=%p\n", pcm);
 804     TRACE("wBitsPerSample=%u, nAvgBytesPerSec=%u, nSamplesPerSec=%u, nChannels=%u nBlockAlign=%u!\n",
 805           wwo->format.Format.wBitsPerSample, wwo->format.Format.nAvgBytesPerSec,
 806           wwo->format.Format.nSamplesPerSec, wwo->format.Format.nChannels,
 807           wwo->format.Format.nBlockAlign);
 808
 809     HeapFree( GetProcessHeap(), 0, sw_params );
 810     wwo->pcm = pcm;
 811     wwo->hctl = hctl;
 812     if ( wwo->hw_params )
 813         snd_pcm_hw_params_free(wwo->hw_params);
 814     wwo->hw_params = hw_params;
 815
 816     return wodNotifyClient(wwo, WOM_OPEN, 0L, 0L);
 817
 818 errexit:
 819     if (pcm)
 820         snd_pcm_close(pcm);
 821
 822     if (hctl)
 823     {
 824         snd_hctl_free(hctl);
 825         snd_hctl_close(hctl);
 826     }
 827
 828     if ( hw_params )
 829         snd_pcm_hw_params_free(hw_params);
 830
 831     HeapFree( GetProcessHeap(), 0, sw_params );
 832     if (wwo->msgRing.ring_buffer_size > 0)
 833         ALSA_DestroyRingMessage(&wwo->msgRing);
 834
 835     return retcode;
 836 }
 837
 838
 839 /**************************************************************************
 840  *                              wodClose                        [internal]
 841  */
 842 static DWORD wodClose(WORD wDevID)
 843 {
 844     DWORD               ret = MMSYSERR_NOERROR;
 845     WINE_WAVEDEV*       wwo;
 846
 847     TRACE("(%u);\n", wDevID);
 848
 849     if (wDevID >= ALSA_WodNumDevs) {
 850         TRACE("Asked for device %d, but only %d known!\n", wDevID, ALSA_WodNumDevs);
 851         return MMSYSERR_BADDEVICEID;
 852     }
 853
 854     if (WOutDev[wDevID].pcm == NULL) {
 855         WARN("Requested to close already closed device %d!\n", wDevID);
 856         return MMSYSERR_BADDEVICEID;
 857     }
 858
 859     wwo = &WOutDev[wDevID];
 860     if (wwo->lpQueuePtr) {
 861         WARN("buffers still playing !\n");
 862         ret = WAVERR_STILLPLAYING;
 863     } else {
 864         if (wwo->hThread != INVALID_HANDLE_VALUE) {
 865             ALSA_AddRingMessage(&wwo->msgRing, WINE_WM_CLOSING, 0, TRUE);
 866         }
 867         ALSA_DestroyRingMessage(&wwo->msgRing);
 868
 869         if (wwo->hw_params)
 870             snd_pcm_hw_params_free(wwo->hw_params);
 871         wwo->hw_params = NULL;
 872
 873         if (wwo->pcm)
 874             snd_pcm_close(wwo->pcm);
 875         wwo->pcm = NULL;
 876
 877         if (wwo->hctl)
 878         {
 879             snd_hctl_free(wwo->hctl);
 880             snd_hctl_close(wwo->hctl);
 881         }
 882         wwo->hctl = NULL;
 883
 884         ret = wodNotifyClient(wwo, WOM_CLOSE, 0L, 0L);
 885     }
 886
 887     return ret;
 888 }
 889
 890
 891 /**************************************************************************
 892  *                              wodWrite                        [internal]
 893  *
 894  */
 895 static DWORD wodWrite(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
 896 {
 897     TRACE("(%u, %p, %08X);\n", wDevID, lpWaveHdr, dwSize);
 898
 899     if (wDevID >= ALSA_WodNumDevs) {
 900         TRACE("Asked for device %d, but only %d known!\n", wDevID, ALSA_WodNumDevs);
 901         return MMSYSERR_BADDEVICEID;
 902     }
 903
 904     if (WOutDev[wDevID].pcm == NULL) {
 905         WARN("Requested to write to closed device %d!\n", wDevID);
 906         return MMSYSERR_BADDEVICEID;
 907     }
 908
 909     if (lpWaveHdr->lpData == NULL || !(lpWaveHdr->dwFlags & WHDR_PREPARED))
 910         return WAVERR_UNPREPARED;
 911
 912     if (lpWaveHdr->dwFlags & WHDR_INQUEUE)
 913         return WAVERR_STILLPLAYING;
 914
 915     lpWaveHdr->dwFlags &= ~WHDR_DONE;
 916     lpWaveHdr->dwFlags |= WHDR_INQUEUE;
 917     lpWaveHdr->lpNext = 0;
 918
 919     ALSA_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_HEADER, (DWORD)lpWaveHdr, FALSE);
 920
 921     return MMSYSERR_NOERROR;
 922 }
 923
 924 /**************************************************************************
 925  *                      wodPause                                [internal]
 926  */
 927 static DWORD wodPause(WORD wDevID)
 928 {
 929     TRACE("(%u);!\n", wDevID);
 930
 931     if (wDevID >= ALSA_WodNumDevs) {
 932         TRACE("Asked for device %d, but only %d known!\n", wDevID, ALSA_WodNumDevs);
 933         return MMSYSERR_BADDEVICEID;
 934     }
 935
 936     if (WOutDev[wDevID].pcm == NULL) {
 937         WARN("Requested to pause closed device %d!\n", wDevID);
 938         return MMSYSERR_BADDEVICEID;
 939     }
 940
 941     ALSA_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_PAUSING, 0, TRUE);
 942
 943     return MMSYSERR_NOERROR;
 944 }
 945
 946 /**************************************************************************
 947  *                      wodRestart                              [internal]
 948  */
 949 static DWORD wodRestart(WORD wDevID)
 950 {
 951     TRACE("(%u);\n", wDevID);
 952
 953     if (wDevID >= ALSA_WodNumDevs) {
 954         TRACE("Asked for device %d, but only %d known!\n", wDevID, ALSA_WodNumDevs);
 955         return MMSYSERR_BADDEVICEID;
 956     }
 957
 958     if (WOutDev[wDevID].pcm == NULL) {
 959         WARN("Requested to restart closed device %d!\n", wDevID);
 960         return MMSYSERR_BADDEVICEID;
 961     }
 962
 963     if (WOutDev[wDevID].state == WINE_WS_PAUSED) {
 964         ALSA_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_RESTARTING, 0, TRUE);
 965     }
 966
 967     /* FIXME: is NotifyClient with WOM_DONE right ? (Comet Busters 1.3.3 needs this notification) */
 968     /* FIXME: Myst crashes with this ... hmm -MM
 969        return wodNotifyClient(wwo, WOM_DONE, 0L, 0L);
 970     */
 971
 972     return MMSYSERR_NOERROR;
 973 }
 974
 975 /**************************************************************************
 976  *                      wodReset                                [internal]
 977  */
 978 static DWORD wodReset(WORD wDevID)
 979 {
 980     TRACE("(%u);\n", wDevID);
 981
 982     if (wDevID >= ALSA_WodNumDevs) {
 983         TRACE("Asked for device %d, but only %d known!\n", wDevID, ALSA_WodNumDevs);
 984         return MMSYSERR_BADDEVICEID;
 985     }
 986
 987     if (WOutDev[wDevID].pcm == NULL) {
 988         WARN("Requested to reset closed device %d!\n", wDevID);
 989         return MMSYSERR_BADDEVICEID;
 990     }
 991
 992     ALSA_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_RESETTING, 0, TRUE);
 993
 994     return MMSYSERR_NOERROR;
 995 }
 996
 997 /**************************************************************************
 998  *                              wodGetPosition                  [internal]
 999  */
1000 static DWORD wodGetPosition(WORD wDevID, LPMMTIME lpTime, DWORD uSize)
1001 {
1002     WINE_WAVEDEV*       wwo;
1003
1004     TRACE("(%u, %p, %u);\n", wDevID, lpTime, uSize);
1005
1006     if (wDevID >= ALSA_WodNumDevs) {
1007         TRACE("Asked for device %d, but only %d known!\n", wDevID, ALSA_WodNumDevs);
1008         return MMSYSERR_BADDEVICEID;
1009     }
1010
1011     if (WOutDev[wDevID].pcm == NULL) {
1012         WARN("Requested to get position of closed device %d!\n", wDevID);
1013         return MMSYSERR_BADDEVICEID;
1014     }
1015
1016     if (lpTime == NULL) return MMSYSERR_INVALPARAM;
1017
1018     wwo = &WOutDev[wDevID];
1019     return ALSA_bytes_to_mmtime(lpTime, wwo->dwPlayedTotal, &wwo->format);
1020 }
1021
1022 /**************************************************************************
1023  *                              wodBreakLoop                    [internal]
1024  */
1025 static DWORD wodBreakLoop(WORD wDevID)
1026 {
1027     TRACE("(%u);\n", wDevID);
1028
1029     if (wDevID >= ALSA_WodNumDevs) {
1030         TRACE("Asked for device %d, but only %d known!\n", wDevID, ALSA_WodNumDevs);
1031         return MMSYSERR_BADDEVICEID;
1032     }
1033
1034     if (WOutDev[wDevID].pcm == NULL) {
1035         WARN("Requested to breakloop of closed device %d!\n", wDevID);
1036         return MMSYSERR_BADDEVICEID;
1037     }
1038
1039     ALSA_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_BREAKLOOP, 0, TRUE);
1040     return MMSYSERR_NOERROR;
1041 }
1042
1043 /**************************************************************************
1044  *                              wodGetVolume                    [internal]
1045  */
1046 static DWORD wodGetVolume(WORD wDevID, LPDWORD lpdwVol)
1047 {
1048     WORD               wleft, wright;
1049     WINE_WAVEDEV*      wwo;
1050     int                min, max;
1051     int                left, right;
1052     DWORD              rc;
1053
1054     TRACE("(%u, %p);\n", wDevID, lpdwVol);
1055     if (wDevID >= ALSA_WodNumDevs) {
1056         TRACE("Asked for device %d, but only %d known!\n", wDevID, ALSA_WodNumDevs);
1057         return MMSYSERR_BADDEVICEID;
1058     }
1059
1060     if (lpdwVol == NULL)
1061         return MMSYSERR_NOTENABLED;
1062
1063     wwo = &WOutDev[wDevID];
1064
1065     if (lpdwVol == NULL)
1066         return MMSYSERR_NOTENABLED;
1067
1068     rc = ALSA_CheckSetVolume(wwo->hctl, &left, &right, &min, &max, NULL, NULL, NULL);
1069     if (rc == MMSYSERR_NOERROR)
1070     {
1071 #define VOLUME_ALSA_TO_WIN(x) (  ( (((x)-min) * 65535) + (max-min)/2 ) /(max-min))
1072         wleft = VOLUME_ALSA_TO_WIN(left);
1073         wright = VOLUME_ALSA_TO_WIN(right);
1074 #undef VOLUME_ALSA_TO_WIN
1075         TRACE("left=%d,right=%d,converted to windows left %d, right %d\n", left, right, wleft, wright);
1076         *lpdwVol = MAKELONG( wleft, wright );
1077     }
1078     else
1079         TRACE("CheckSetVolume failed; rc %d\n", rc);
1080
1081     return rc;
1082 }
1083
1084 /**************************************************************************
1085  *                              wodSetVolume                    [internal]
1086  */
1087 DWORD wodSetVolume(WORD wDevID, DWORD dwParam)
1088 {
1089     WORD               wleft, wright;
1090     WINE_WAVEDEV*      wwo;
1091     int                min, max;
1092     int                left, right;
1093     DWORD              rc;
1094
1095     TRACE("(%u, %08X);\n", wDevID, dwParam);
1096     if (wDevID >= ALSA_WodNumDevs) {
1097         TRACE("Asked for device %d, but only %d known!\n", wDevID, ALSA_WodNumDevs);
1098         return MMSYSERR_BADDEVICEID;
1099     }
1100
1101     wwo = &WOutDev[wDevID];
1102
1103     rc = ALSA_CheckSetVolume(wwo->hctl, NULL, NULL, &min, &max, NULL, NULL, NULL);
1104     if (rc == MMSYSERR_NOERROR)
1105     {
1106         wleft  = LOWORD(dwParam);
1107         wright = HIWORD(dwParam);
1108 #define VOLUME_WIN_TO_ALSA(x) ( (  ( ((x) * (max-min)) + 32767) / 65535) + min )
1109         left = VOLUME_WIN_TO_ALSA(wleft);
1110         right = VOLUME_WIN_TO_ALSA(wright);
1111 #undef VOLUME_WIN_TO_ALSA
1112         rc = ALSA_CheckSetVolume(wwo->hctl, NULL, NULL, NULL, NULL, NULL, &left, &right);
1113         if (rc == MMSYSERR_NOERROR)
1114             TRACE("set volume:  wleft=%d, wright=%d, converted to alsa left %d, right %d\n", wleft, wright, left, right);
1115         else
1116             TRACE("SetVolume failed; rc %d\n", rc);
1117     }
1118
1119     return rc;
1120 }
1121
1122 /**************************************************************************
1123  *                              wodGetNumDevs                   [internal]
1124  */
1125 static  DWORD   wodGetNumDevs(void)
1126 {
1127     return ALSA_WodNumDevs;
1128 }
1129
1130 /**************************************************************************
1131  *                              wodDevInterfaceSize             [internal]
1132  */
1133 static DWORD wodDevInterfaceSize(UINT wDevID, LPDWORD dwParam1)
1134 {
1135     TRACE("(%u, %p)\n", wDevID, dwParam1);
1136
1137     *dwParam1 = MultiByteToWideChar(CP_UNIXCP, 0, WOutDev[wDevID].interface_name, -1,
1138                                     NULL, 0 ) * sizeof(WCHAR);
1139     return MMSYSERR_NOERROR;
1140 }
1141
1142 /**************************************************************************
1143  *                              wodDevInterface                 [internal]
1144  */
1145 static DWORD wodDevInterface(UINT wDevID, PWCHAR dwParam1, DWORD dwParam2)
1146 {
1147     if (dwParam2 >= MultiByteToWideChar(CP_UNIXCP, 0, WOutDev[wDevID].interface_name, -1,
1148                                         NULL, 0 ) * sizeof(WCHAR))
1149     {
1150         MultiByteToWideChar(CP_UNIXCP, 0, WOutDev[wDevID].interface_name, -1,
1151                             dwParam1, dwParam2 / sizeof(WCHAR));
1152         return MMSYSERR_NOERROR;
1153     }
1154     return MMSYSERR_INVALPARAM;
1155 }
1156
1157 /**************************************************************************
1158  *                              wodMessage (WINEALSA.@)
1159  */
1160 DWORD WINAPI ALSA_wodMessage(UINT wDevID, UINT wMsg, DWORD dwUser,
1161                              DWORD dwParam1, DWORD dwParam2)
1162 {
1163     TRACE("(%u, %s, %08X, %08X, %08X);\n",
1164           wDevID, ALSA_getMessage(wMsg), dwUser, dwParam1, dwParam2);
1165
1166     switch (wMsg) {
1167     case DRVM_INIT:
1168     case DRVM_EXIT:
1169     case DRVM_ENABLE:
1170     case DRVM_DISABLE:
1171         /* FIXME: Pretend this is supported */
1172         return 0;
1173     case WODM_OPEN:             return wodOpen          (wDevID, (LPWAVEOPENDESC)dwParam1,      dwParam2);
1174     case WODM_CLOSE:            return wodClose         (wDevID);
1175     case WODM_GETDEVCAPS:       return wodGetDevCaps    (wDevID, (LPWAVEOUTCAPSW)dwParam1,      dwParam2);
1176     case WODM_GETNUMDEVS:       return wodGetNumDevs    ();
1177     case WODM_GETPITCH:         return MMSYSERR_NOTSUPPORTED;
1178     case WODM_SETPITCH:         return MMSYSERR_NOTSUPPORTED;
1179     case WODM_GETPLAYBACKRATE:  return MMSYSERR_NOTSUPPORTED;
1180     case WODM_SETPLAYBACKRATE:  return MMSYSERR_NOTSUPPORTED;
1181     case WODM_WRITE:            return wodWrite         (wDevID, (LPWAVEHDR)dwParam1,           dwParam2);
1182     case WODM_PAUSE:            return wodPause         (wDevID);
1183     case WODM_GETPOS:           return wodGetPosition   (wDevID, (LPMMTIME)dwParam1,            dwParam2);
1184     case WODM_BREAKLOOP:        return wodBreakLoop     (wDevID);
1185     case WODM_PREPARE:          return MMSYSERR_NOTSUPPORTED;
1186     case WODM_UNPREPARE:        return MMSYSERR_NOTSUPPORTED;
1187     case WODM_GETVOLUME:        return wodGetVolume     (wDevID, (LPDWORD)dwParam1);
1188     case WODM_SETVOLUME:        return wodSetVolume     (wDevID, dwParam1);
1189     case WODM_RESTART:          return wodRestart       (wDevID);
1190     case WODM_RESET:            return wodReset         (wDevID);
1191     case DRV_QUERYDEVICEINTERFACESIZE: return wodDevInterfaceSize       (wDevID, (LPDWORD)dwParam1);
1192     case DRV_QUERYDEVICEINTERFACE:     return wodDevInterface           (wDevID, (PWCHAR)dwParam1, dwParam2);
1193     case DRV_QUERYDSOUNDIFACE:  return wodDsCreate      (wDevID, (PIDSDRIVER*)dwParam1);
1194     case DRV_QUERYDSOUNDDESC:   return wodDsDesc        (wDevID, (PDSDRIVERDESC)dwParam1);
1195
1196     default:
1197         FIXME("unknown message %d!\n", wMsg);
1198     }
1199     return MMSYSERR_NOTSUPPORTED;
1200 }
1201
1202 #else /* HAVE_ALSA */
1203
1204 /**************************************************************************
1205  *                              wodMessage (WINEALSA.@)
1206  */
1207 DWORD WINAPI ALSA_wodMessage(WORD wDevID, WORD wMsg, DWORD dwUser,
1208                              DWORD dwParam1, DWORD dwParam2)
1209 {
1210     FIXME("(%u, %04X, %08X, %08X, %08X):stub\n", wDevID, wMsg, dwUser, dwParam1, dwParam2);
1211     return MMSYSERR_NOTENABLED;
1212 }
1213
1214 #endif /* HAVE_ALSA */