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     for (;;)
 280     {
 281         lpWaveHdr = wwo->lpQueuePtr;
 282         if (!lpWaveHdr) {TRACE("Empty queue\n"); break;}
 283         if (!force)
 284         {
 285             if (lpWaveHdr == wwo->lpPlayPtr) {TRACE("play %p\n", lpWaveHdr); break;}
 286             if (lpWaveHdr == wwo->lpLoopPtr) {TRACE("loop %p\n", lpWaveHdr); break;}
 287             if (lpWaveHdr->reserved > wwo->dwPlayedTotal) {TRACE("still playing %p (%u/%u)\n", lpWaveHdr, lpWaveHdr->reserved, wwo->dwPlayedTotal);break;}
 288         }
 289         wwo->lpQueuePtr = lpWaveHdr->lpNext;
 290
 291         lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
 292         lpWaveHdr->dwFlags |= WHDR_DONE;
 293
 294         wodNotifyClient(wwo, WOM_DONE, (DWORD)lpWaveHdr, 0);
 295     }
 296     return  (lpWaveHdr && lpWaveHdr != wwo->lpPlayPtr && lpWaveHdr != wwo->lpLoopPtr) ?
 297         wodPlayer_NotifyWait(wwo, lpWaveHdr) : INFINITE;
 298 }
 299
 300
 301 /**************************************************************************
 302  *                              wodPlayer_Reset                 [internal]
 303  *
 304  * wodPlayer helper. Resets current output stream.
 305  */
 306 static  void    wodPlayer_Reset(WINE_WAVEDEV* wwo, BOOL reset)
 307 {
 308     int                         err;
 309     TRACE("(%p)\n", wwo);
 310
 311     /* flush all possible output */
 312     snd_pcm_drain(wwo->pcm);
 313
 314     wodUpdatePlayedTotal(wwo, NULL);
 315     /* updates current notify list */
 316     wodPlayer_NotifyCompletions(wwo, FALSE);
 317
 318     if ( (err = snd_pcm_drop(wwo->pcm)) < 0) {
 319         FIXME("flush: %s\n", snd_strerror(err));
 320         wwo->hThread = 0;
 321         wwo->state = WINE_WS_STOPPED;
 322         ExitThread(-1);
 323     }
 324     if ( (err = snd_pcm_prepare(wwo->pcm)) < 0 )
 325         ERR("pcm prepare failed: %s\n", snd_strerror(err));
 326
 327     if (reset) {
 328         enum win_wm_message     msg;
 329         DWORD                   param;
 330         HANDLE                  ev;
 331
 332         /* remove any buffer */
 333         wodPlayer_NotifyCompletions(wwo, TRUE);
 334
 335         wwo->lpPlayPtr = wwo->lpQueuePtr = wwo->lpLoopPtr = NULL;
 336         wwo->state = WINE_WS_STOPPED;
 337         wwo->dwPlayedTotal = wwo->dwWrittenTotal = 0;
 338         /* Clear partial wavehdr */
 339         wwo->dwPartialOffset = 0;
 340
 341         /* remove any existing message in the ring */
 342         EnterCriticalSection(&wwo->msgRing.msg_crst);
 343         /* return all pending headers in queue */
 344         while (ALSA_RetrieveRingMessage(&wwo->msgRing, &msg, &param, &ev))
 345         {
 346             if (msg != WINE_WM_HEADER)
 347             {
 348                 FIXME("shouldn't have headers left\n");
 349                 SetEvent(ev);
 350                 continue;
 351             }
 352             ((LPWAVEHDR)param)->dwFlags &= ~WHDR_INQUEUE;
 353             ((LPWAVEHDR)param)->dwFlags |= WHDR_DONE;
 354
 355                 wodNotifyClient(wwo, WOM_DONE, param, 0);
 356         }
 357         ALSA_ResetRingMessage(&wwo->msgRing);
 358         LeaveCriticalSection(&wwo->msgRing.msg_crst);
 359     } else {
 360         if (wwo->lpLoopPtr) {
 361             /* complicated case, not handled yet (could imply modifying the loop counter */
 362             FIXME("Pausing while in loop isn't correctly handled yet, except strange results\n");
 363             wwo->lpPlayPtr = wwo->lpLoopPtr;
 364             wwo->dwPartialOffset = 0;
 365             wwo->dwWrittenTotal = wwo->dwPlayedTotal; /* this is wrong !!! */
 366         } else {
 367             LPWAVEHDR   ptr;
 368             DWORD       sz = wwo->dwPartialOffset;
 369
 370             /* reset all the data as if we had written only up to lpPlayedTotal bytes */
 371             /* compute the max size playable from lpQueuePtr */
 372             for (ptr = wwo->lpQueuePtr; ptr != wwo->lpPlayPtr; ptr = ptr->lpNext) {
 373                 sz += ptr->dwBufferLength;
 374             }
 375             /* because the reset lpPlayPtr will be lpQueuePtr */
 376             if (wwo->dwWrittenTotal > wwo->dwPlayedTotal + sz) ERR("grin\n");
 377             wwo->dwPartialOffset = sz - (wwo->dwWrittenTotal - wwo->dwPlayedTotal);
 378             wwo->dwWrittenTotal = wwo->dwPlayedTotal;
 379             wwo->lpPlayPtr = wwo->lpQueuePtr;
 380         }
 381         wwo->state = WINE_WS_PAUSED;
 382     }
 383 }
 384
 385 /**************************************************************************
 386  *                    wodPlayer_ProcessMessages                 [internal]
 387  */
 388 static void wodPlayer_ProcessMessages(WINE_WAVEDEV* wwo)
 389 {
 390     LPWAVEHDR           lpWaveHdr;
 391     enum win_wm_message msg;
 392     DWORD               param;
 393     HANDLE              ev;
 394     int                 err;
 395
 396     while (ALSA_RetrieveRingMessage(&wwo->msgRing, &msg, &param, &ev)) {
 397      TRACE("Received %s %x\n", ALSA_getCmdString(msg), param);
 398
 399         switch (msg) {
 400         case WINE_WM_PAUSING:
 401             if ( snd_pcm_state(wwo->pcm) == SND_PCM_STATE_RUNNING )
 402              {
 403                 if ( snd_pcm_hw_params_can_pause(wwo->hw_params) )
 404                 {
 405                     err = snd_pcm_pause(wwo->pcm, 1);
 406                     if ( err < 0 )
 407                         ERR("pcm_pause failed: %s\n", snd_strerror(err));
 408                     wwo->state = WINE_WS_PAUSED;
 409                 }
 410                 else
 411                 {
 412                     wodPlayer_Reset(wwo,FALSE);
 413                 }
 414              }
 415             SetEvent(ev);
 416             break;
 417         case WINE_WM_RESTARTING:
 418             if (wwo->state == WINE_WS_PAUSED)
 419             {
 420                 if ( snd_pcm_state(wwo->pcm) == SND_PCM_STATE_PAUSED )
 421                  {
 422                     err = snd_pcm_pause(wwo->pcm, 0);
 423                     if ( err < 0 )
 424                         ERR("pcm_pause failed: %s\n", snd_strerror(err));
 425                  }
 426                 wwo->state = WINE_WS_PLAYING;
 427             }
 428             SetEvent(ev);
 429             break;
 430         case WINE_WM_HEADER:
 431             lpWaveHdr = (LPWAVEHDR)param;
 432
 433             /* insert buffer at the end of queue */
 434             {
 435                 LPWAVEHDR*      wh;
 436                 for (wh = &(wwo->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
 437                 *wh = lpWaveHdr;
 438             }
 439             if (!wwo->lpPlayPtr)
 440                 wodPlayer_BeginWaveHdr(wwo,lpWaveHdr);
 441             if (wwo->state == WINE_WS_STOPPED)
 442                 wwo->state = WINE_WS_PLAYING;
 443             break;
 444         case WINE_WM_RESETTING:
 445             wodPlayer_Reset(wwo,TRUE);
 446             SetEvent(ev);
 447             break;
 448         case WINE_WM_UPDATE:
 449             wodUpdatePlayedTotal(wwo, NULL);
 450             SetEvent(ev);
 451             break;
 452         case WINE_WM_BREAKLOOP:
 453             if (wwo->state == WINE_WS_PLAYING && wwo->lpLoopPtr != NULL) {
 454                 /* ensure exit at end of current loop */
 455                 wwo->dwLoops = 1;
 456             }
 457             SetEvent(ev);
 458             break;
 459         case WINE_WM_CLOSING:
 460             /* sanity check: this should not happen since the device must have been reset before */
 461             if (wwo->lpQueuePtr || wwo->lpPlayPtr) ERR("out of sync\n");
 462             wwo->hThread = 0;
 463             wwo->state = WINE_WS_CLOSED;
 464             SetEvent(ev);
 465             ExitThread(0);
 466             /* shouldn't go here */
 467         default:
 468             FIXME("unknown message %d\n", msg);
 469             break;
 470         }
 471     }
 472 }
 473
 474 /**************************************************************************
 475  *                           wodPlayer_FeedDSP                  [internal]
 476  * Feed as much sound data as we can into the DSP and return the number of
 477  * milliseconds before it will be necessary to feed the DSP again.
 478  */
 479 static DWORD wodPlayer_FeedDSP(WINE_WAVEDEV* wwo)
 480 {
 481     DWORD               availInQ;
 482
 483     wodUpdatePlayedTotal(wwo, NULL);
 484     availInQ = snd_pcm_avail_update(wwo->pcm);
 485
 486     /* no more room... no need to try to feed */
 487     if (availInQ > 0) {
 488         /* Feed from partial wavehdr */
 489         if (wwo->lpPlayPtr && wwo->dwPartialOffset != 0) {
 490             wodPlayer_WriteMaxFrags(wwo, &availInQ);
 491         }
 492
 493         /* Feed wavehdrs until we run out of wavehdrs or DSP space */
 494         if (wwo->dwPartialOffset == 0 && wwo->lpPlayPtr) {
 495             do {
 496                 TRACE("Setting time to elapse for %p to %u\n",
 497                       wwo->lpPlayPtr, wwo->dwWrittenTotal + wwo->lpPlayPtr->dwBufferLength);
 498                 /* note the value that dwPlayedTotal will return when this wave finishes playing */
 499                 wwo->lpPlayPtr->reserved = wwo->dwWrittenTotal + wwo->lpPlayPtr->dwBufferLength;
 500             } while (wodPlayer_WriteMaxFrags(wwo, &availInQ) && wwo->lpPlayPtr && availInQ > 0);
 501         }
 502     }
 503
 504     return wodPlayer_DSPWait(wwo);
 505 }
 506
 507 /**************************************************************************
 508  *                              wodPlayer                       [internal]
 509  */
 510 static  DWORD   CALLBACK        wodPlayer(LPVOID pmt)
 511 {
 512     WORD          uDevID = (DWORD)pmt;
 513     WINE_WAVEDEV* wwo = (WINE_WAVEDEV*)&WOutDev[uDevID];
 514     DWORD         dwNextFeedTime = INFINITE;   /* Time before DSP needs feeding */
 515     DWORD         dwNextNotifyTime = INFINITE; /* Time before next wave completion */
 516     DWORD         dwSleepTime;
 517
 518     wwo->state = WINE_WS_STOPPED;
 519     SetEvent(wwo->hStartUpEvent);
 520
 521     for (;;) {
 522         /** Wait for the shortest time before an action is required.  If there
 523          *  are no pending actions, wait forever for a command.
 524          */
 525         dwSleepTime = min(dwNextFeedTime, dwNextNotifyTime);
 526         TRACE("waiting %ums (%u,%u)\n", dwSleepTime, dwNextFeedTime, dwNextNotifyTime);
 527         ALSA_WaitRingMessage(&wwo->msgRing, dwSleepTime);
 528         wodPlayer_ProcessMessages(wwo);
 529         if (wwo->state == WINE_WS_PLAYING) {
 530             dwNextFeedTime = wodPlayer_FeedDSP(wwo);
 531             dwNextNotifyTime = wodPlayer_NotifyCompletions(wwo, FALSE);
 532             if (dwNextFeedTime == INFINITE) {
 533                 /* FeedDSP ran out of data, but before giving up, */
 534                 /* check that a notification didn't give us more */
 535                 wodPlayer_ProcessMessages(wwo);
 536                 if (wwo->lpPlayPtr) {
 537                     TRACE("recovering\n");
 538                     dwNextFeedTime = wodPlayer_FeedDSP(wwo);
 539                 }
 540             }
 541         } else {
 542             dwNextFeedTime = dwNextNotifyTime = INFINITE;
 543         }
 544     }
 545 }
 546
 547 /**************************************************************************
 548  *                      wodGetDevCaps                           [internal]
 549  */
 550 static DWORD wodGetDevCaps(WORD wDevID, LPWAVEOUTCAPSW lpCaps, DWORD dwSize)
 551 {
 552     TRACE("(%u, %p, %u);\n", wDevID, lpCaps, dwSize);
 553
 554     if (lpCaps == NULL) return MMSYSERR_NOTENABLED;
 555
 556     if (wDevID >= ALSA_WodNumDevs) {
 557         TRACE("Asked for device %d, but only %d known!\n", wDevID, ALSA_WodNumDevs);
 558         return MMSYSERR_BADDEVICEID;
 559     }
 560
 561     memcpy(lpCaps, &WOutDev[wDevID].outcaps, min(dwSize, sizeof(*lpCaps)));
 562     return MMSYSERR_NOERROR;
 563 }
 564
 565 /**************************************************************************
 566  *                              wodOpen                         [internal]
 567  */
 568 static DWORD wodOpen(WORD wDevID, LPWAVEOPENDESC lpDesc, DWORD dwFlags)
 569 {
 570     WINE_WAVEDEV*               wwo;
 571     snd_pcm_t *                 pcm = NULL;
 572     snd_hctl_t *                hctl = NULL;
 573     snd_pcm_hw_params_t *       hw_params = NULL;
 574     snd_pcm_sw_params_t *       sw_params;
 575     snd_pcm_access_t            access;
 576     snd_pcm_format_t            format = -1;
 577     unsigned int                rate;
 578     unsigned int                buffer_time = 500000;
 579     unsigned int                period_time = 10000;
 580     snd_pcm_uframes_t           buffer_size;
 581     snd_pcm_uframes_t           period_size;
 582     int                         flags;
 583     int                         err=0;
 584     int                         dir=0;
 585     DWORD                       retcode = 0;
 586
 587     snd_pcm_sw_params_alloca(&sw_params);
 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) && !(wwo->outcaps.dwSupport & WAVECAPS_DIRECTSOUND))
 622         /* not supported, ignore it */
 623         dwFlags &= ~WAVE_DIRECTSOUND;
 624
 625     flags = SND_PCM_NONBLOCK;
 626
 627     if ( (err = snd_pcm_open(&pcm, wwo->pcmname, SND_PCM_STREAM_PLAYBACK, flags)) < 0)
 628     {
 629         ERR("Error open: %s\n", snd_strerror(err));
 630         return MMSYSERR_NOTENABLED;
 631     }
 632
 633     if (wwo->ctlname)
 634     {
 635         err = snd_hctl_open(&hctl, wwo->ctlname, 0);
 636         if (err >= 0)
 637         {
 638             snd_hctl_load(hctl);
 639         }
 640         else
 641         {
 642             WARN("Could not open hctl for [%s]: %s\n", wwo->ctlname, snd_strerror(err));
 643             hctl = NULL;
 644         }
 645     }
 646
 647     wwo->wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
 648
 649     memcpy(&wwo->waveDesc, lpDesc, sizeof(WAVEOPENDESC));
 650     ALSA_copyFormat(lpDesc->lpFormat, &wwo->format);
 651
 652     TRACE("Requested this format: %dx%dx%d %s\n",
 653           wwo->format.Format.nSamplesPerSec,
 654           wwo->format.Format.wBitsPerSample,
 655           wwo->format.Format.nChannels,
 656           ALSA_getFormat(wwo->format.Format.wFormatTag));
 657
 658     if (wwo->format.Format.wBitsPerSample == 0) {
 659         WARN("Resetting zeroed wBitsPerSample\n");
 660         wwo->format.Format.wBitsPerSample = 8 *
 661             (wwo->format.Format.nAvgBytesPerSec /
 662              wwo->format.Format.nSamplesPerSec) /
 663             wwo->format.Format.nChannels;
 664     }
 665
 666 #define EXIT_ON_ERROR(f,e,txt) do \
 667 { \
 668     int err; \
 669     if ( (err = (f) ) < 0) \
 670     { \
 671         WARN(txt ": %s\n", snd_strerror(err)); \
 672         retcode=e; \
 673         goto errexit; \
 674     } \
 675 } while(0)
 676
 677     snd_pcm_hw_params_malloc(&hw_params);
 678     if (! hw_params)
 679     {
 680         retcode = MMSYSERR_NOMEM;
 681         goto errexit;
 682     }
 683     snd_pcm_hw_params_any(pcm, hw_params);
 684
 685     access = SND_PCM_ACCESS_MMAP_INTERLEAVED;
 686     if ( ( err = snd_pcm_hw_params_set_access(pcm, hw_params, access ) ) < 0) {
 687         WARN("mmap not available. switching to standard write.\n");
 688         access = SND_PCM_ACCESS_RW_INTERLEAVED;
 689         EXIT_ON_ERROR( snd_pcm_hw_params_set_access(pcm, hw_params, access ), MMSYSERR_INVALPARAM, "unable to set access for playback");
 690         wwo->write = snd_pcm_writei;
 691     }
 692     else
 693         wwo->write = snd_pcm_mmap_writei;
 694
 695     if ((err = snd_pcm_hw_params_set_channels(pcm, hw_params, wwo->format.Format.nChannels)) < 0) {
 696         WARN("unable to set required channels: %d\n", wwo->format.Format.nChannels);
 697         if (dwFlags & WAVE_DIRECTSOUND) {
 698             if (wwo->format.Format.nChannels > 2)
 699                 wwo->format.Format.nChannels = 2;
 700             else if (wwo->format.Format.nChannels == 2)
 701                 wwo->format.Format.nChannels = 1;
 702             else if (wwo->format.Format.nChannels == 1)
 703                 wwo->format.Format.nChannels = 2;
 704             /* recalculate block align and bytes per second */
 705             wwo->format.Format.nBlockAlign = (wwo->format.Format.wBitsPerSample * wwo->format.Format.nChannels) / 8;
 706             wwo->format.Format.nAvgBytesPerSec = wwo->format.Format.nSamplesPerSec * wwo->format.Format.nBlockAlign;
 707             WARN("changed number of channels from %d to %d\n", lpDesc->lpFormat->nChannels, wwo->format.Format.nChannels);
 708         }
 709         EXIT_ON_ERROR( snd_pcm_hw_params_set_channels(pcm, hw_params, wwo->format.Format.nChannels ), WAVERR_BADFORMAT, "unable to set required channels" );
 710     }
 711
 712     if ((wwo->format.Format.wFormatTag == WAVE_FORMAT_PCM) ||
 713         ((wwo->format.Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE) &&
 714         IsEqualGUID(&wwo->format.SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))) {
 715         format = (wwo->format.Format.wBitsPerSample == 8) ? SND_PCM_FORMAT_U8 :
 716                  (wwo->format.Format.wBitsPerSample == 16) ? SND_PCM_FORMAT_S16_LE :
 717                  (wwo->format.Format.wBitsPerSample == 24) ? SND_PCM_FORMAT_S24_LE :
 718                  (wwo->format.Format.wBitsPerSample == 32) ? SND_PCM_FORMAT_S32_LE : -1;
 719     } else if ((wwo->format.Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE) &&
 720         IsEqualGUID(&wwo->format.SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)){
 721         format = (wwo->format.Format.wBitsPerSample == 32) ? SND_PCM_FORMAT_FLOAT_LE : -1;
 722     } else if (wwo->format.Format.wFormatTag == WAVE_FORMAT_MULAW) {
 723         FIXME("unimplemented format: WAVE_FORMAT_MULAW\n");
 724         retcode = WAVERR_BADFORMAT;
 725         goto errexit;
 726     } else if (wwo->format.Format.wFormatTag == WAVE_FORMAT_ALAW) {
 727         FIXME("unimplemented format: WAVE_FORMAT_ALAW\n");
 728         retcode = WAVERR_BADFORMAT;
 729         goto errexit;
 730     } else if (wwo->format.Format.wFormatTag == WAVE_FORMAT_ADPCM) {
 731         FIXME("unimplemented format: WAVE_FORMAT_ADPCM\n");
 732         retcode = WAVERR_BADFORMAT;
 733         goto errexit;
 734     } else {
 735         ERR("invalid format: %0x04x\n", wwo->format.Format.wFormatTag);
 736         retcode = WAVERR_BADFORMAT;
 737         goto errexit;
 738     }
 739
 740     if ((err = snd_pcm_hw_params_set_format(pcm, hw_params, format)) < 0) {
 741         WARN("unable to set required format: %s\n", snd_pcm_format_name(format));
 742         if (dwFlags & WAVE_DIRECTSOUND) {
 743             if ((wwo->format.Format.wFormatTag == WAVE_FORMAT_PCM) ||
 744                ((wwo->format.Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE) &&
 745                IsEqualGUID(&wwo->format.SubFormat, & KSDATAFORMAT_SUBTYPE_PCM))) {
 746                 if (wwo->format.Format.wBitsPerSample != 16) {
 747                     wwo->format.Format.wBitsPerSample = 16;
 748                     format = SND_PCM_FORMAT_S16_LE;
 749                 } else {
 750                     wwo->format.Format.wBitsPerSample = 8;
 751                     format = SND_PCM_FORMAT_U8;
 752                 }
 753                 /* recalculate block align and bytes per second */
 754                 wwo->format.Format.nBlockAlign = (wwo->format.Format.wBitsPerSample * wwo->format.Format.nChannels) / 8;
 755                 wwo->format.Format.nAvgBytesPerSec = wwo->format.Format.nSamplesPerSec * wwo->format.Format.nBlockAlign;
 756                 WARN("changed bits per sample from %d to %d\n", lpDesc->lpFormat->wBitsPerSample, wwo->format.Format.wBitsPerSample);
 757             }
 758         }
 759         EXIT_ON_ERROR( snd_pcm_hw_params_set_format(pcm, hw_params, format), WAVERR_BADFORMAT, "unable to set required format" );
 760     }
 761
 762     rate = wwo->format.Format.nSamplesPerSec;
 763     dir=0;
 764     err = snd_pcm_hw_params_set_rate_near(pcm, hw_params, &rate, &dir);
 765     if (err < 0) {
 766         WARN("Rate %d Hz not available for playback: %s\n", wwo->format.Format.nSamplesPerSec, snd_strerror(rate));
 767         retcode = WAVERR_BADFORMAT;
 768         goto errexit;
 769     }
 770     if (!ALSA_NearMatch(rate, wwo->format.Format.nSamplesPerSec)) {
 771         if (dwFlags & WAVE_DIRECTSOUND) {
 772             WARN("changed sample rate from %d Hz to %d Hz\n", wwo->format.Format.nSamplesPerSec, rate);
 773             wwo->format.Format.nSamplesPerSec = rate;
 774             /* recalculate bytes per second */
 775             wwo->format.Format.nAvgBytesPerSec = wwo->format.Format.nSamplesPerSec * wwo->format.Format.nBlockAlign;
 776         } else {
 777             WARN("Rate doesn't match (requested %d Hz, got %d Hz)\n", wwo->format.Format.nSamplesPerSec, rate);
 778             retcode = WAVERR_BADFORMAT;
 779             goto errexit;
 780         }
 781     }
 782
 783     /* give the new format back to direct sound */
 784     if (dwFlags & WAVE_DIRECTSOUND) {
 785         lpDesc->lpFormat->wFormatTag = wwo->format.Format.wFormatTag;
 786         lpDesc->lpFormat->nChannels = wwo->format.Format.nChannels;
 787         lpDesc->lpFormat->nSamplesPerSec = wwo->format.Format.nSamplesPerSec;
 788         lpDesc->lpFormat->wBitsPerSample = wwo->format.Format.wBitsPerSample;
 789         lpDesc->lpFormat->nBlockAlign = wwo->format.Format.nBlockAlign;
 790         lpDesc->lpFormat->nAvgBytesPerSec = wwo->format.Format.nAvgBytesPerSec;
 791     }
 792
 793     TRACE("Got this format: %dx%dx%d %s\n",
 794           wwo->format.Format.nSamplesPerSec,
 795           wwo->format.Format.wBitsPerSample,
 796           wwo->format.Format.nChannels,
 797           ALSA_getFormat(wwo->format.Format.wFormatTag));
 798
 799     dir=0;
 800     EXIT_ON_ERROR( snd_pcm_hw_params_set_buffer_time_near(pcm, hw_params, &buffer_time, &dir), MMSYSERR_INVALPARAM, "unable to set buffer time");
 801     dir=0;
 802     EXIT_ON_ERROR( snd_pcm_hw_params_set_period_time_near(pcm, hw_params, &period_time, &dir), MMSYSERR_INVALPARAM, "unable to set period time");
 803
 804     EXIT_ON_ERROR( snd_pcm_hw_params(pcm, hw_params), MMSYSERR_INVALPARAM, "unable to set hw params for playback");
 805
 806     err = snd_pcm_hw_params_get_period_size(hw_params, &period_size, &dir);
 807     err = snd_pcm_hw_params_get_buffer_size(hw_params, &buffer_size);
 808
 809     snd_pcm_sw_params_current(pcm, sw_params);
 810     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");
 811     EXIT_ON_ERROR( snd_pcm_sw_params_set_silence_size(pcm, sw_params, 0), MMSYSERR_ERROR, "unable to set silence size");
 812     EXIT_ON_ERROR( snd_pcm_sw_params_set_avail_min(pcm, sw_params, period_size), MMSYSERR_ERROR, "unable to set avail min");
 813     EXIT_ON_ERROR( snd_pcm_sw_params_set_xfer_align(pcm, sw_params, 1), MMSYSERR_ERROR, "unable to set xfer align");
 814     EXIT_ON_ERROR( snd_pcm_sw_params_set_silence_threshold(pcm, sw_params, 0), MMSYSERR_ERROR, "unable to set silence threshold");
 815     EXIT_ON_ERROR( snd_pcm_sw_params_set_xrun_mode(pcm, sw_params, SND_PCM_XRUN_NONE), MMSYSERR_ERROR, "unable to set xrun mode");
 816     EXIT_ON_ERROR( snd_pcm_sw_params(pcm, sw_params), MMSYSERR_ERROR, "unable to set sw params for playback");
 817 #undef EXIT_ON_ERROR
 818
 819     snd_pcm_prepare(pcm);
 820
 821     if (TRACE_ON(wave))
 822         ALSA_TraceParameters(hw_params, sw_params, FALSE);
 823
 824     /* now, we can save all required data for later use... */
 825
 826     wwo->dwBufferSize = snd_pcm_frames_to_bytes(pcm, buffer_size);
 827     wwo->lpQueuePtr = wwo->lpPlayPtr = wwo->lpLoopPtr = NULL;
 828     wwo->dwPlayedTotal = wwo->dwWrittenTotal = 0;
 829     wwo->dwPartialOffset = 0;
 830
 831     ALSA_InitRingMessage(&wwo->msgRing);
 832
 833     if (!(dwFlags & WAVE_DIRECTSOUND)) {
 834         wwo->hStartUpEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
 835         wwo->hThread = CreateThread(NULL, 0, wodPlayer, (LPVOID)(DWORD)wDevID, 0, &(wwo->dwThreadID));
 836         if (wwo->hThread)
 837             SetThreadPriority(wwo->hThread, THREAD_PRIORITY_TIME_CRITICAL);
 838         else
 839         {
 840             ERR("Thread creation for the wodPlayer failed!\n");
 841             CloseHandle(wwo->hStartUpEvent);
 842             retcode = MMSYSERR_NOMEM;
 843             goto errexit;
 844         }
 845         WaitForSingleObject(wwo->hStartUpEvent, INFINITE);
 846         CloseHandle(wwo->hStartUpEvent);
 847     } else {
 848         wwo->hThread = INVALID_HANDLE_VALUE;
 849         wwo->dwThreadID = 0;
 850     }
 851     wwo->hStartUpEvent = INVALID_HANDLE_VALUE;
 852
 853     TRACE("handle=%p\n", pcm);
 854     TRACE("wBitsPerSample=%u, nAvgBytesPerSec=%u, nSamplesPerSec=%u, nChannels=%u nBlockAlign=%u!\n",
 855           wwo->format.Format.wBitsPerSample, wwo->format.Format.nAvgBytesPerSec,
 856           wwo->format.Format.nSamplesPerSec, wwo->format.Format.nChannels,
 857           wwo->format.Format.nBlockAlign);
 858
 859     wwo->pcm = pcm;
 860     wwo->hctl = hctl;
 861     if ( wwo->hw_params )
 862         snd_pcm_hw_params_free(wwo->hw_params);
 863     wwo->hw_params = hw_params;
 864
 865     return wodNotifyClient(wwo, WOM_OPEN, 0L, 0L);
 866
 867 errexit:
 868     if (pcm)
 869         snd_pcm_close(pcm);
 870
 871     if (hctl)
 872     {
 873         snd_hctl_free(hctl);
 874         snd_hctl_close(hctl);
 875     }
 876
 877     if ( hw_params )
 878         snd_pcm_hw_params_free(hw_params);
 879
 880     if (wwo->msgRing.ring_buffer_size > 0)
 881         ALSA_DestroyRingMessage(&wwo->msgRing);
 882
 883     return retcode;
 884 }
 885
 886
 887 /**************************************************************************
 888  *                              wodClose                        [internal]
 889  */
 890 static DWORD wodClose(WORD wDevID)
 891 {
 892     DWORD               ret = MMSYSERR_NOERROR;
 893     WINE_WAVEDEV*       wwo;
 894
 895     TRACE("(%u);\n", wDevID);
 896
 897     if (wDevID >= ALSA_WodNumDevs) {
 898         TRACE("Asked for device %d, but only %d known!\n", wDevID, ALSA_WodNumDevs);
 899         return MMSYSERR_BADDEVICEID;
 900     }
 901
 902     if (WOutDev[wDevID].pcm == NULL) {
 903         WARN("Requested to close already closed device %d!\n", wDevID);
 904         return MMSYSERR_BADDEVICEID;
 905     }
 906
 907     wwo = &WOutDev[wDevID];
 908     if (wwo->lpQueuePtr) {
 909         WARN("buffers still playing !\n");
 910         ret = WAVERR_STILLPLAYING;
 911     } else {
 912         if (wwo->hThread != INVALID_HANDLE_VALUE) {
 913             ALSA_AddRingMessage(&wwo->msgRing, WINE_WM_CLOSING, 0, TRUE);
 914         }
 915         ALSA_DestroyRingMessage(&wwo->msgRing);
 916
 917         if (wwo->hw_params)
 918             snd_pcm_hw_params_free(wwo->hw_params);
 919         wwo->hw_params = NULL;
 920
 921         if (wwo->pcm)
 922             snd_pcm_close(wwo->pcm);
 923         wwo->pcm = NULL;
 924
 925         if (wwo->hctl)
 926         {
 927             snd_hctl_free(wwo->hctl);
 928             snd_hctl_close(wwo->hctl);
 929         }
 930         wwo->hctl = NULL;
 931
 932         ret = wodNotifyClient(wwo, WOM_CLOSE, 0L, 0L);
 933     }
 934
 935     return ret;
 936 }
 937
 938
 939 /**************************************************************************
 940  *                              wodWrite                        [internal]
 941  *
 942  */
 943 static DWORD wodWrite(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
 944 {
 945     TRACE("(%u, %p, %08X);\n", wDevID, lpWaveHdr, dwSize);
 946
 947     if (wDevID >= ALSA_WodNumDevs) {
 948         TRACE("Asked for device %d, but only %d known!\n", wDevID, ALSA_WodNumDevs);
 949         return MMSYSERR_BADDEVICEID;
 950     }
 951
 952     if (WOutDev[wDevID].pcm == NULL) {
 953         WARN("Requested to write to closed device %d!\n", wDevID);
 954         return MMSYSERR_BADDEVICEID;
 955     }
 956
 957     if (lpWaveHdr->lpData == NULL || !(lpWaveHdr->dwFlags & WHDR_PREPARED))
 958         return WAVERR_UNPREPARED;
 959
 960     if (lpWaveHdr->dwFlags & WHDR_INQUEUE)
 961         return WAVERR_STILLPLAYING;
 962
 963     lpWaveHdr->dwFlags &= ~WHDR_DONE;
 964     lpWaveHdr->dwFlags |= WHDR_INQUEUE;
 965     lpWaveHdr->lpNext = 0;
 966
 967     ALSA_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_HEADER, (DWORD)lpWaveHdr, FALSE);
 968
 969     return MMSYSERR_NOERROR;
 970 }
 971
 972 /**************************************************************************
 973  *                      wodPause                                [internal]
 974  */
 975 static DWORD wodPause(WORD wDevID)
 976 {
 977     TRACE("(%u);!\n", wDevID);
 978
 979     if (wDevID >= ALSA_WodNumDevs) {
 980         TRACE("Asked for device %d, but only %d known!\n", wDevID, ALSA_WodNumDevs);
 981         return MMSYSERR_BADDEVICEID;
 982     }
 983
 984     if (WOutDev[wDevID].pcm == NULL) {
 985         WARN("Requested to pause closed device %d!\n", wDevID);
 986         return MMSYSERR_BADDEVICEID;
 987     }
 988
 989     ALSA_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_PAUSING, 0, TRUE);
 990
 991     return MMSYSERR_NOERROR;
 992 }
 993
 994 /**************************************************************************
 995  *                      wodRestart                              [internal]
 996  */
 997 static DWORD wodRestart(WORD wDevID)
 998 {
 999     TRACE("(%u);\n", wDevID);
1000
1001     if (wDevID >= ALSA_WodNumDevs) {
1002         TRACE("Asked for device %d, but only %d known!\n", wDevID, ALSA_WodNumDevs);
1003         return MMSYSERR_BADDEVICEID;
1004     }
1005
1006     if (WOutDev[wDevID].pcm == NULL) {
1007         WARN("Requested to restart closed device %d!\n", wDevID);
1008         return MMSYSERR_BADDEVICEID;
1009     }
1010
1011     if (WOutDev[wDevID].state == WINE_WS_PAUSED) {
1012         ALSA_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_RESTARTING, 0, TRUE);
1013     }
1014
1015     /* FIXME: is NotifyClient with WOM_DONE right ? (Comet Busters 1.3.3 needs this notification) */
1016     /* FIXME: Myst crashes with this ... hmm -MM
1017        return wodNotifyClient(wwo, WOM_DONE, 0L, 0L);
1018     */
1019
1020     return MMSYSERR_NOERROR;
1021 }
1022
1023 /**************************************************************************
1024  *                      wodReset                                [internal]
1025  */
1026 static DWORD wodReset(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 reset closed device %d!\n", wDevID);
1037         return MMSYSERR_BADDEVICEID;
1038     }
1039
1040     ALSA_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_RESETTING, 0, TRUE);
1041
1042     return MMSYSERR_NOERROR;
1043 }
1044
1045 /**************************************************************************
1046  *                              wodGetPosition                  [internal]
1047  */
1048 static DWORD wodGetPosition(WORD wDevID, LPMMTIME lpTime, DWORD uSize)
1049 {
1050     WINE_WAVEDEV*       wwo;
1051
1052     TRACE("(%u, %p, %u);\n", wDevID, lpTime, uSize);
1053
1054     if (wDevID >= ALSA_WodNumDevs) {
1055         TRACE("Asked for device %d, but only %d known!\n", wDevID, ALSA_WodNumDevs);
1056         return MMSYSERR_BADDEVICEID;
1057     }
1058
1059     if (WOutDev[wDevID].pcm == NULL) {
1060         WARN("Requested to get position of closed device %d!\n", wDevID);
1061         return MMSYSERR_BADDEVICEID;
1062     }
1063
1064     if (lpTime == NULL) return MMSYSERR_INVALPARAM;
1065
1066     wwo = &WOutDev[wDevID];
1067     ALSA_AddRingMessage(&wwo->msgRing, WINE_WM_UPDATE, 0, TRUE);
1068
1069     return ALSA_bytes_to_mmtime(lpTime, wwo->dwPlayedTotal, &wwo->format);
1070 }
1071
1072 /**************************************************************************
1073  *                              wodBreakLoop                    [internal]
1074  */
1075 static DWORD wodBreakLoop(WORD wDevID)
1076 {
1077     TRACE("(%u);\n", wDevID);
1078
1079     if (wDevID >= ALSA_WodNumDevs) {
1080         TRACE("Asked for device %d, but only %d known!\n", wDevID, ALSA_WodNumDevs);
1081         return MMSYSERR_BADDEVICEID;
1082     }
1083
1084     if (WOutDev[wDevID].pcm == NULL) {
1085         WARN("Requested to breakloop of closed device %d!\n", wDevID);
1086         return MMSYSERR_BADDEVICEID;
1087     }
1088
1089     ALSA_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_BREAKLOOP, 0, TRUE);
1090     return MMSYSERR_NOERROR;
1091 }
1092
1093 /**************************************************************************
1094  *                              wodGetVolume                    [internal]
1095  */
1096 static DWORD wodGetVolume(WORD wDevID, LPDWORD lpdwVol)
1097 {
1098     WORD               wleft, wright;
1099     WINE_WAVEDEV*      wwo;
1100     int                min, max;
1101     int                left, right;
1102     DWORD              rc;
1103
1104     TRACE("(%u, %p);\n", wDevID, lpdwVol);
1105     if (wDevID >= ALSA_WodNumDevs) {
1106         TRACE("Asked for device %d, but only %d known!\n", wDevID, ALSA_WodNumDevs);
1107         return MMSYSERR_BADDEVICEID;
1108     }
1109
1110     if (lpdwVol == NULL)
1111         return MMSYSERR_NOTENABLED;
1112
1113     wwo = &WOutDev[wDevID];
1114
1115     if (lpdwVol == NULL)
1116         return MMSYSERR_NOTENABLED;
1117
1118     rc = ALSA_CheckSetVolume(wwo->hctl, &left, &right, &min, &max, NULL, NULL, NULL);
1119     if (rc == MMSYSERR_NOERROR)
1120     {
1121 #define VOLUME_ALSA_TO_WIN(x) (  ( (((x)-min) * 65535) + (max-min)/2 ) /(max-min))
1122         wleft = VOLUME_ALSA_TO_WIN(left);
1123         wright = VOLUME_ALSA_TO_WIN(right);
1124 #undef VOLUME_ALSA_TO_WIN
1125         TRACE("left=%d,right=%d,converted to windows left %d, right %d\n", left, right, wleft, wright);
1126         *lpdwVol = MAKELONG( wleft, wright );
1127     }
1128     else
1129         TRACE("CheckSetVolume failed; rc %d\n", rc);
1130
1131     return rc;
1132 }
1133
1134 /**************************************************************************
1135  *                              wodSetVolume                    [internal]
1136  */
1137 DWORD wodSetVolume(WORD wDevID, DWORD dwParam)
1138 {
1139     WORD               wleft, wright;
1140     WINE_WAVEDEV*      wwo;
1141     int                min, max;
1142     int                left, right;
1143     DWORD              rc;
1144
1145     TRACE("(%u, %08X);\n", wDevID, dwParam);
1146     if (wDevID >= ALSA_WodNumDevs) {
1147         TRACE("Asked for device %d, but only %d known!\n", wDevID, ALSA_WodNumDevs);
1148         return MMSYSERR_BADDEVICEID;
1149     }
1150
1151     wwo = &WOutDev[wDevID];
1152
1153     rc = ALSA_CheckSetVolume(wwo->hctl, NULL, NULL, &min, &max, NULL, NULL, NULL);
1154     if (rc == MMSYSERR_NOERROR)
1155     {
1156         wleft  = LOWORD(dwParam);
1157         wright = HIWORD(dwParam);
1158 #define VOLUME_WIN_TO_ALSA(x) ( (  ( ((x) * (max-min)) + 32767) / 65535) + min )
1159         left = VOLUME_WIN_TO_ALSA(wleft);
1160         right = VOLUME_WIN_TO_ALSA(wright);
1161 #undef VOLUME_WIN_TO_ALSA
1162         rc = ALSA_CheckSetVolume(wwo->hctl, NULL, NULL, NULL, NULL, NULL, &left, &right);
1163         if (rc == MMSYSERR_NOERROR)
1164             TRACE("set volume:  wleft=%d, wright=%d, converted to alsa left %d, right %d\n", wleft, wright, left, right);
1165         else
1166             TRACE("SetVolume failed; rc %d\n", rc);
1167     }
1168
1169     return rc;
1170 }
1171
1172 /**************************************************************************
1173  *                              wodGetNumDevs                   [internal]
1174  */
1175 static  DWORD   wodGetNumDevs(void)
1176 {
1177     return ALSA_WodNumDevs;
1178 }
1179
1180 /**************************************************************************
1181  *                              wodDevInterfaceSize             [internal]
1182  */
1183 static DWORD wodDevInterfaceSize(UINT wDevID, LPDWORD dwParam1)
1184 {
1185     TRACE("(%u, %p)\n", wDevID, dwParam1);
1186
1187     *dwParam1 = MultiByteToWideChar(CP_ACP, 0, WOutDev[wDevID].interface_name, -1,
1188                                     NULL, 0 ) * sizeof(WCHAR);
1189     return MMSYSERR_NOERROR;
1190 }
1191
1192 /**************************************************************************
1193  *                              wodDevInterface                 [internal]
1194  */
1195 static DWORD wodDevInterface(UINT wDevID, PWCHAR dwParam1, DWORD dwParam2)
1196 {
1197     if (dwParam2 >= MultiByteToWideChar(CP_ACP, 0, WOutDev[wDevID].interface_name, -1,
1198                                         NULL, 0 ) * sizeof(WCHAR))
1199     {
1200         MultiByteToWideChar(CP_ACP, 0, WOutDev[wDevID].interface_name, -1,
1201                             dwParam1, dwParam2 / sizeof(WCHAR));
1202         return MMSYSERR_NOERROR;
1203     }
1204     return MMSYSERR_INVALPARAM;
1205 }
1206
1207 /**************************************************************************
1208  *                              wodMessage (WINEALSA.@)
1209  */
1210 DWORD WINAPI ALSA_wodMessage(UINT wDevID, UINT wMsg, DWORD dwUser,
1211                              DWORD dwParam1, DWORD dwParam2)
1212 {
1213     TRACE("(%u, %s, %08X, %08X, %08X);\n",
1214           wDevID, ALSA_getMessage(wMsg), dwUser, dwParam1, dwParam2);
1215
1216     switch (wMsg) {
1217     case DRVM_INIT:
1218     case DRVM_EXIT:
1219     case DRVM_ENABLE:
1220     case DRVM_DISABLE:
1221         /* FIXME: Pretend this is supported */
1222         return 0;
1223     case WODM_OPEN:             return wodOpen          (wDevID, (LPWAVEOPENDESC)dwParam1,      dwParam2);
1224     case WODM_CLOSE:            return wodClose         (wDevID);
1225     case WODM_GETDEVCAPS:       return wodGetDevCaps    (wDevID, (LPWAVEOUTCAPSW)dwParam1,      dwParam2);
1226     case WODM_GETNUMDEVS:       return wodGetNumDevs    ();
1227     case WODM_GETPITCH:         return MMSYSERR_NOTSUPPORTED;
1228     case WODM_SETPITCH:         return MMSYSERR_NOTSUPPORTED;
1229     case WODM_GETPLAYBACKRATE:  return MMSYSERR_NOTSUPPORTED;
1230     case WODM_SETPLAYBACKRATE:  return MMSYSERR_NOTSUPPORTED;
1231     case WODM_WRITE:            return wodWrite         (wDevID, (LPWAVEHDR)dwParam1,           dwParam2);
1232     case WODM_PAUSE:            return wodPause         (wDevID);
1233     case WODM_GETPOS:           return wodGetPosition   (wDevID, (LPMMTIME)dwParam1,            dwParam2);
1234     case WODM_BREAKLOOP:        return wodBreakLoop     (wDevID);
1235     case WODM_PREPARE:          return MMSYSERR_NOTSUPPORTED;
1236     case WODM_UNPREPARE:        return MMSYSERR_NOTSUPPORTED;
1237     case WODM_GETVOLUME:        return wodGetVolume     (wDevID, (LPDWORD)dwParam1);
1238     case WODM_SETVOLUME:        return wodSetVolume     (wDevID, dwParam1);
1239     case WODM_RESTART:          return wodRestart       (wDevID);
1240     case WODM_RESET:            return wodReset         (wDevID);
1241     case DRV_QUERYDEVICEINTERFACESIZE: return wodDevInterfaceSize       (wDevID, (LPDWORD)dwParam1);
1242     case DRV_QUERYDEVICEINTERFACE:     return wodDevInterface           (wDevID, (PWCHAR)dwParam1, dwParam2);
1243     case DRV_QUERYDSOUNDIFACE:  return wodDsCreate      (wDevID, (PIDSDRIVER*)dwParam1);
1244     case DRV_QUERYDSOUNDDESC:   return wodDsDesc        (wDevID, (PDSDRIVERDESC)dwParam1);
1245
1246     default:
1247         FIXME("unknown message %d!\n", wMsg);
1248     }
1249     return MMSYSERR_NOTSUPPORTED;
1250 }
1251
1252 #else /* HAVE_ALSA */
1253
1254 /**************************************************************************
1255  *                              wodMessage (WINEALSA.@)
1256  */
1257 DWORD WINAPI ALSA_wodMessage(WORD wDevID, WORD wMsg, DWORD dwUser,
1258                              DWORD dwParam1, DWORD dwParam2)
1259 {
1260     FIXME("(%u, %04X, %08X, %08X, %08X):stub\n", wDevID, wMsg, dwUser, dwParam1, dwParam2);
1261     return MMSYSERR_NOTENABLED;
1262 }
1263
1264 #endif /* HAVE_ALSA */