git.oblomov.eu Git - wine/blob - dlls/winmm/winealsa/audio.c

   1 /* -*- tab-width: 8; c-basic-offset: 4 -*- */
   2 /*
   3  * Sample Wine Driver for Advanced Linux Sound System (ALSA)
   4  *      Based on version <final> of the ALSA API
   5  *
   6  * Copyright    2002 Eric Pouech
   7  *              2002 Marco Pietrobono
   8  *              2003 Christian Costa : WaveIn support
   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  23  */
  24
  25 /* unless someone makes a wineserver kernel module, Unix pipes are faster than win32 events */
  26 #define USE_PIPE_SYNC
  27
  28 #include "config.h"
  29 #include "wine/port.h"
  30
  31 #include <stdlib.h>
  32 #include <stdarg.h>
  33 #include <stdio.h>
  34 #include <string.h>
  35 #ifdef HAVE_UNISTD_H
  36 # include <unistd.h>
  37 #endif
  38 #include <errno.h>
  39 #include <limits.h>
  40 #include <fcntl.h>
  41 #ifdef HAVE_SYS_IOCTL_H
  42 # include <sys/ioctl.h>
  43 #endif
  44 #ifdef HAVE_SYS_MMAN_H
  45 # include <sys/mman.h>
  46 #endif
  47 #include "windef.h"
  48 #include "winbase.h"
  49 #include "wingdi.h"
  50 #include "winerror.h"
  51 #include "winuser.h"
  52 #include "winnls.h"
  53 #include "winreg.h"
  54 #include "mmddk.h"
  55 #include "mmreg.h"
  56 #include "dsound.h"
  57 #include "dsdriver.h"
  58 #include "ks.h"
  59 #include "ksguid.h"
  60 #include "ksmedia.h"
  61 #define ALSA_PCM_NEW_HW_PARAMS_API
  62 #define ALSA_PCM_NEW_SW_PARAMS_API
  63 #include "alsa.h"
  64 #include "wine/library.h"
  65 #include "wine/unicode.h"
  66 #include "wine/debug.h"
  67
  68 WINE_DEFAULT_DEBUG_CHANNEL(wave);
  69
  70
  71 #ifdef HAVE_ALSA
  72
  73 /* internal ALSALIB functions */
  74 snd_pcm_uframes_t _snd_pcm_mmap_hw_ptr(snd_pcm_t *pcm);
  75
  76
  77 #define MAX_WAVEOUTDRV  (6)
  78 #define MAX_WAVEINDRV   (6)
  79
  80 /* state diagram for waveOut writing:
  81  *
  82  * +---------+-------------+---------------+---------------------------------+
  83  * |  state  |  function   |     event     |            new state            |
  84  * +---------+-------------+---------------+---------------------------------+
  85  * |         | open()      |               | STOPPED                         |
  86  * | PAUSED  | write()     |               | PAUSED                          |
  87  * | STOPPED | write()     | <thrd create> | PLAYING                         |
  88  * | PLAYING | write()     | HEADER        | PLAYING                         |
  89  * | (other) | write()     | <error>       |                                 |
  90  * | (any)   | pause()     | PAUSING       | PAUSED                          |
  91  * | PAUSED  | restart()   | RESTARTING    | PLAYING (if no thrd => STOPPED) |
  92  * | (any)   | reset()     | RESETTING     | STOPPED                         |
  93  * | (any)   | close()     | CLOSING       | CLOSED                          |
  94  * +---------+-------------+---------------+---------------------------------+
  95  */
  96
  97 /* states of the playing device */
  98 #define WINE_WS_PLAYING         0
  99 #define WINE_WS_PAUSED          1
 100 #define WINE_WS_STOPPED         2
 101 #define WINE_WS_CLOSED          3
 102
 103 /* events to be send to device */
 104 enum win_wm_message {
 105     WINE_WM_PAUSING = WM_USER + 1, WINE_WM_RESTARTING, WINE_WM_RESETTING, WINE_WM_HEADER,
 106     WINE_WM_UPDATE, WINE_WM_BREAKLOOP, WINE_WM_CLOSING, WINE_WM_STARTING, WINE_WM_STOPPING
 107 };
 108
 109 #ifdef USE_PIPE_SYNC
 110 #define SIGNAL_OMR(omr) do { int x = 0; write((omr)->msg_pipe[1], &x, sizeof(x)); } while (0)
 111 #define CLEAR_OMR(omr) do { int x = 0; read((omr)->msg_pipe[0], &x, sizeof(x)); } while (0)
 112 #define RESET_OMR(omr) do { } while (0)
 113 #define WAIT_OMR(omr, sleep) \
 114   do { struct pollfd pfd; pfd.fd = (omr)->msg_pipe[0]; \
 115        pfd.events = POLLIN; poll(&pfd, 1, sleep); } while (0)
 116 #else
 117 #define SIGNAL_OMR(omr) do { SetEvent((omr)->msg_event); } while (0)
 118 #define CLEAR_OMR(omr) do { } while (0)
 119 #define RESET_OMR(omr) do { ResetEvent((omr)->msg_event); } while (0)
 120 #define WAIT_OMR(omr, sleep) \
 121   do { WaitForSingleObject((omr)->msg_event, sleep); } while (0)
 122 #endif
 123
 124 typedef struct {
 125     enum win_wm_message         msg;    /* message identifier */
 126     DWORD                       param;  /* parameter for this message */
 127     HANDLE                      hEvent; /* if message is synchronous, handle of event for synchro */
 128 } ALSA_MSG;
 129
 130 /* implement an in-process message ring for better performance
 131  * (compared to passing thru the server)
 132  * this ring will be used by the input (resp output) record (resp playback) routine
 133  */
 134 #define ALSA_RING_BUFFER_INCREMENT      64
 135 typedef struct {
 136     ALSA_MSG                    * messages;
 137     int                         ring_buffer_size;
 138     int                         msg_tosave;
 139     int                         msg_toget;
 140 #ifdef USE_PIPE_SYNC
 141     int                         msg_pipe[2];
 142 #else
 143     HANDLE                      msg_event;
 144 #endif
 145     CRITICAL_SECTION            msg_crst;
 146 } ALSA_MSG_RING;
 147
 148 typedef struct {
 149     /* Windows information */
 150     volatile int                state;                  /* one of the WINE_WS_ manifest constants */
 151     WAVEOPENDESC                waveDesc;
 152     WORD                        wFlags;
 153     WAVEFORMATPCMEX             format;
 154     WAVEOUTCAPSW                caps;
 155
 156     /* ALSA information (ALSA 0.9/1.x uses two different devices for playback/capture) */
 157     char*                       device;
 158     char                        interface_name[64];
 159     snd_pcm_t*                  handle;                 /* handle to ALSA playback device */
 160     snd_pcm_hw_params_t *       hw_params;              /* ALSA Hw params */
 161
 162     snd_hctl_t *                hctl;                    /* control handle for the playback volume */
 163
 164     snd_pcm_sframes_t           (*write)(snd_pcm_t *, const void *, snd_pcm_uframes_t );
 165
 166     struct pollfd               *ufds;
 167     int                         count;
 168
 169     DWORD                       dwBufferSize;           /* size of whole ALSA buffer in bytes */
 170     LPWAVEHDR                   lpQueuePtr;             /* start of queued WAVEHDRs (waiting to be notified) */
 171     LPWAVEHDR                   lpPlayPtr;              /* start of not yet fully played buffers */
 172     DWORD                       dwPartialOffset;        /* Offset of not yet written bytes in lpPlayPtr */
 173
 174     LPWAVEHDR                   lpLoopPtr;              /* pointer of first buffer in loop, if any */
 175     DWORD                       dwLoops;                /* private copy of loop counter */
 176
 177     DWORD                       dwPlayedTotal;          /* number of bytes actually played since opening */
 178     DWORD                       dwWrittenTotal;         /* number of bytes written to ALSA buffer since opening */
 179
 180     /* synchronization stuff */
 181     HANDLE                      hStartUpEvent;
 182     HANDLE                      hThread;
 183     DWORD                       dwThreadID;
 184     ALSA_MSG_RING               msgRing;
 185
 186     /* DirectSound stuff */
 187     DSDRIVERDESC                ds_desc;
 188     DSDRIVERCAPS                ds_caps;
 189 } WINE_WAVEOUT;
 190
 191 typedef struct {
 192     /* Windows information */
 193     volatile int                state;                  /* one of the WINE_WS_ manifest constants */
 194     WAVEOPENDESC                waveDesc;
 195     WORD                        wFlags;
 196     WAVEFORMATPCMEX             format;
 197     WAVEINCAPSW                 caps;
 198     DWORD                       dwSupport;
 199
 200     /* ALSA information (ALSA 0.9/1.x uses two different devices for playback/capture) */
 201     char*                       device;
 202     char                        interface_name[64];
 203     snd_pcm_t*                  handle;                 /* handle to ALSA capture device */
 204     snd_pcm_hw_params_t *       hw_params;              /* ALSA Hw params */
 205
 206     snd_pcm_sframes_t           (*read)(snd_pcm_t *, void *, snd_pcm_uframes_t );
 207
 208     struct pollfd               *ufds;
 209     int                         count;
 210
 211     DWORD                       dwPeriodSize;           /* size of OSS buffer period */
 212     DWORD                       dwBufferSize;           /* size of whole ALSA buffer in bytes */
 213     LPWAVEHDR                   lpQueuePtr;             /* start of queued WAVEHDRs (waiting to be notified) */
 214     LPWAVEHDR                   lpPlayPtr;              /* start of not yet fully played buffers */
 215
 216     LPWAVEHDR                   lpLoopPtr;              /* pointer of first buffer in loop, if any */
 217     DWORD                       dwLoops;                /* private copy of loop counter */
 218
 219     /*DWORD                     dwPlayedTotal; */
 220     DWORD                       dwTotalRecorded;
 221
 222     /* synchronization stuff */
 223     HANDLE                      hStartUpEvent;
 224     HANDLE                      hThread;
 225     DWORD                       dwThreadID;
 226     ALSA_MSG_RING               msgRing;
 227
 228     /* DirectSound stuff */
 229     DSDRIVERDESC                ds_desc;
 230     DSCDRIVERCAPS               ds_caps;
 231 } WINE_WAVEIN;
 232
 233 static WINE_WAVEOUT     WOutDev   [MAX_WAVEOUTDRV];
 234 static DWORD            ALSA_WodNumDevs;
 235 static WINE_WAVEIN      WInDev   [MAX_WAVEINDRV];
 236 static DWORD            ALSA_WidNumDevs;
 237
 238 static DWORD wodDsCreate(UINT wDevID, PIDSDRIVER* drv);
 239 static DWORD wodDsDesc(UINT wDevID, PDSDRIVERDESC desc);
 240
 241 /* These strings used only for tracing */
 242 static const char * getCmdString(enum win_wm_message msg)
 243 {
 244     static char unknown[32];
 245 #define MSG_TO_STR(x) case x: return #x
 246     switch(msg) {
 247     MSG_TO_STR(WINE_WM_PAUSING);
 248     MSG_TO_STR(WINE_WM_RESTARTING);
 249     MSG_TO_STR(WINE_WM_RESETTING);
 250     MSG_TO_STR(WINE_WM_HEADER);
 251     MSG_TO_STR(WINE_WM_UPDATE);
 252     MSG_TO_STR(WINE_WM_BREAKLOOP);
 253     MSG_TO_STR(WINE_WM_CLOSING);
 254     MSG_TO_STR(WINE_WM_STARTING);
 255     MSG_TO_STR(WINE_WM_STOPPING);
 256     }
 257 #undef MSG_TO_STR
 258     sprintf(unknown, "UNKNOWN(0x%08x)", msg);
 259     return unknown;
 260 }
 261
 262 static const char * getMessage(UINT msg)
 263 {
 264     static char unknown[32];
 265 #define MSG_TO_STR(x) case x: return #x
 266     switch(msg) {
 267     MSG_TO_STR(DRVM_INIT);
 268     MSG_TO_STR(DRVM_EXIT);
 269     MSG_TO_STR(DRVM_ENABLE);
 270     MSG_TO_STR(DRVM_DISABLE);
 271     MSG_TO_STR(WIDM_OPEN);
 272     MSG_TO_STR(WIDM_CLOSE);
 273     MSG_TO_STR(WIDM_ADDBUFFER);
 274     MSG_TO_STR(WIDM_PREPARE);
 275     MSG_TO_STR(WIDM_UNPREPARE);
 276     MSG_TO_STR(WIDM_GETDEVCAPS);
 277     MSG_TO_STR(WIDM_GETNUMDEVS);
 278     MSG_TO_STR(WIDM_GETPOS);
 279     MSG_TO_STR(WIDM_RESET);
 280     MSG_TO_STR(WIDM_START);
 281     MSG_TO_STR(WIDM_STOP);
 282     MSG_TO_STR(WODM_OPEN);
 283     MSG_TO_STR(WODM_CLOSE);
 284     MSG_TO_STR(WODM_WRITE);
 285     MSG_TO_STR(WODM_PAUSE);
 286     MSG_TO_STR(WODM_GETPOS);
 287     MSG_TO_STR(WODM_BREAKLOOP);
 288     MSG_TO_STR(WODM_PREPARE);
 289     MSG_TO_STR(WODM_UNPREPARE);
 290     MSG_TO_STR(WODM_GETDEVCAPS);
 291     MSG_TO_STR(WODM_GETNUMDEVS);
 292     MSG_TO_STR(WODM_GETPITCH);
 293     MSG_TO_STR(WODM_SETPITCH);
 294     MSG_TO_STR(WODM_GETPLAYBACKRATE);
 295     MSG_TO_STR(WODM_SETPLAYBACKRATE);
 296     MSG_TO_STR(WODM_GETVOLUME);
 297     MSG_TO_STR(WODM_SETVOLUME);
 298     MSG_TO_STR(WODM_RESTART);
 299     MSG_TO_STR(WODM_RESET);
 300     MSG_TO_STR(DRV_QUERYDEVICEINTERFACESIZE);
 301     MSG_TO_STR(DRV_QUERYDEVICEINTERFACE);
 302     MSG_TO_STR(DRV_QUERYDSOUNDIFACE);
 303     MSG_TO_STR(DRV_QUERYDSOUNDDESC);
 304     }
 305 #undef MSG_TO_STR
 306     sprintf(unknown, "UNKNOWN(0x%04x)", msg);
 307     return unknown;
 308 }
 309
 310 static const char * getFormat(WORD wFormatTag)
 311 {
 312     static char unknown[32];
 313 #define FMT_TO_STR(x) case x: return #x
 314     switch(wFormatTag) {
 315     FMT_TO_STR(WAVE_FORMAT_PCM);
 316     FMT_TO_STR(WAVE_FORMAT_EXTENSIBLE);
 317     FMT_TO_STR(WAVE_FORMAT_MULAW);
 318     FMT_TO_STR(WAVE_FORMAT_ALAW);
 319     FMT_TO_STR(WAVE_FORMAT_ADPCM);
 320     }
 321 #undef FMT_TO_STR
 322     sprintf(unknown, "UNKNOWN(0x%04x)", wFormatTag);
 323     return unknown;
 324 }
 325
 326 static DWORD bytes_to_mmtime(LPMMTIME lpTime, DWORD position,
 327                              WAVEFORMATPCMEX* format)
 328 {
 329     TRACE("wType=%04X wBitsPerSample=%u nSamplesPerSec=%lu nChannels=%u nAvgBytesPerSec=%lu\n",
 330           lpTime->wType, format->Format.wBitsPerSample, format->Format.nSamplesPerSec,
 331           format->Format.nChannels, format->Format.nAvgBytesPerSec);
 332     TRACE("Position in bytes=%lu\n", position);
 333
 334     switch (lpTime->wType) {
 335     case TIME_SAMPLES:
 336         lpTime->u.sample = position / (format->Format.wBitsPerSample / 8 * format->Format.nChannels);
 337         TRACE("TIME_SAMPLES=%lu\n", lpTime->u.sample);
 338         break;
 339     case TIME_MS:
 340         lpTime->u.ms = 1000.0 * position / (format->Format.wBitsPerSample / 8 * format->Format.nChannels * format->Format.nSamplesPerSec);
 341         TRACE("TIME_MS=%lu\n", lpTime->u.ms);
 342         break;
 343     case TIME_SMPTE:
 344         lpTime->u.smpte.fps = 30;
 345         position = position / (format->Format.wBitsPerSample / 8 * format->Format.nChannels);
 346         position += (format->Format.nSamplesPerSec / lpTime->u.smpte.fps) - 1; /* round up */
 347         lpTime->u.smpte.sec = position / format->Format.nSamplesPerSec;
 348         position -= lpTime->u.smpte.sec * format->Format.nSamplesPerSec;
 349         lpTime->u.smpte.min = lpTime->u.smpte.sec / 60;
 350         lpTime->u.smpte.sec -= 60 * lpTime->u.smpte.min;
 351         lpTime->u.smpte.hour = lpTime->u.smpte.min / 60;
 352         lpTime->u.smpte.min -= 60 * lpTime->u.smpte.hour;
 353         lpTime->u.smpte.fps = 30;
 354         lpTime->u.smpte.frame = position * lpTime->u.smpte.fps / format->Format.nSamplesPerSec;
 355         TRACE("TIME_SMPTE=%02u:%02u:%02u:%02u\n",
 356               lpTime->u.smpte.hour, lpTime->u.smpte.min,
 357               lpTime->u.smpte.sec, lpTime->u.smpte.frame);
 358         break;
 359     default:
 360         WARN("Format %d not supported, using TIME_BYTES !\n", lpTime->wType);
 361         lpTime->wType = TIME_BYTES;
 362         /* fall through */
 363     case TIME_BYTES:
 364         lpTime->u.cb = position;
 365         TRACE("TIME_BYTES=%lu\n", lpTime->u.cb);
 366         break;
 367     }
 368     return MMSYSERR_NOERROR;
 369 }
 370
 371 static BOOL supportedFormat(LPWAVEFORMATEX wf)
 372 {
 373     TRACE("(%p)\n",wf);
 374
 375     if (wf->nSamplesPerSec<DSBFREQUENCY_MIN||wf->nSamplesPerSec>DSBFREQUENCY_MAX)
 376         return FALSE;
 377
 378     if (wf->wFormatTag == WAVE_FORMAT_PCM) {
 379         if (wf->nChannels==1||wf->nChannels==2) {
 380             if (wf->wBitsPerSample==8||wf->wBitsPerSample==16)
 381                 return TRUE;
 382         }
 383     } else if (wf->wFormatTag == WAVE_FORMAT_EXTENSIBLE) {
 384         WAVEFORMATEXTENSIBLE    * wfex = (WAVEFORMATEXTENSIBLE *)wf;
 385
 386         if (wf->cbSize == 22 &&
 387             (IsEqualGUID(&wfex->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM) ||
 388              IsEqualGUID(&wfex->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT))) {
 389             if (wf->nChannels>=1 && wf->nChannels<=6) {
 390                 if (wf->wBitsPerSample==wfex->Samples.wValidBitsPerSample) {
 391                     if (wf->wBitsPerSample==8||wf->wBitsPerSample==16||
 392                         wf->wBitsPerSample==24||wf->wBitsPerSample==32) {
 393                         return TRUE;
 394                     }
 395                 } else
 396                     WARN("wBitsPerSample != wValidBitsPerSample not supported yet\n");
 397             }
 398         } else
 399             WARN("only KSDATAFORMAT_SUBTYPE_PCM and KSDATAFORMAT_SUBTYPE_IEEE_FLOAT "
 400                  "supported\n");
 401     } else if (wf->wFormatTag == WAVE_FORMAT_MULAW || wf->wFormatTag == WAVE_FORMAT_ALAW) {
 402         if (wf->wBitsPerSample==8)
 403             return TRUE;
 404         else
 405             ERR("WAVE_FORMAT_MULAW and WAVE_FORMAT_ALAW wBitsPerSample must = 8\n");
 406
 407     } else if (wf->wFormatTag == WAVE_FORMAT_ADPCM) {
 408         if (wf->wBitsPerSample==4)
 409             return TRUE;
 410         else
 411             ERR("WAVE_FORMAT_ADPCM wBitsPerSample must = 4\n");
 412     } else
 413         WARN("only WAVE_FORMAT_PCM and WAVE_FORMAT_EXTENSIBLE supported\n");
 414
 415     return FALSE;
 416 }
 417
 418 static void copy_format(LPWAVEFORMATEX wf1, LPWAVEFORMATPCMEX wf2)
 419 {
 420     ZeroMemory(wf2, sizeof(wf2));
 421     if (wf1->wFormatTag == WAVE_FORMAT_PCM)
 422         memcpy(wf2, wf1, sizeof(PCMWAVEFORMAT));
 423     else if (wf1->wFormatTag == WAVE_FORMAT_EXTENSIBLE)
 424         memcpy(wf2, wf1, sizeof(WAVEFORMATPCMEX));
 425     else
 426         memcpy(wf2, wf1, sizeof(WAVEFORMATEX) + wf1->cbSize);
 427 }
 428
 429 /*======================================================================*
 430  *                  Low level WAVE implementation                       *
 431  *======================================================================*/
 432
 433 /**************************************************************************
 434  *                      ALSA_CheckSetVolume             [internal]
 435  *
 436  *  Helper function for Alsa volume queries.  This tries to simplify
 437  * the process of managing the volume.  All parameters are optional
 438  * (pass NULL to ignore or not use).
 439  *  Return values are MMSYSERR_NOERROR on success, or !0 on failure;
 440  * error codes are normalized into the possible documented return
 441  * values from waveOutGetVolume.
 442  */
 443 static int ALSA_CheckSetVolume(snd_hctl_t *hctl, int *out_left, int *out_right,
 444             int *out_min, int *out_max, int *out_step,
 445             int *new_left, int *new_right)
 446 {
 447     int rc = MMSYSERR_NOERROR;
 448     int value_count = 0;
 449     snd_hctl_elem_t *           elem = NULL;
 450     snd_ctl_elem_info_t *       eleminfop = NULL;
 451     snd_ctl_elem_value_t *      elemvaluep = NULL;
 452     snd_ctl_elem_id_t *         elemidp = NULL;
 453
 454
 455 #define EXIT_ON_ERROR(f,txt,exitcode) do \
 456 { \
 457     int err; \
 458     if ( (err = (f) ) < 0) \
 459     { \
 460         ERR(txt " failed: %s\n", snd_strerror(err)); \
 461         rc = exitcode; \
 462         goto out; \
 463     } \
 464 } while(0)
 465
 466     if (! hctl)
 467         return MMSYSERR_NOTSUPPORTED;
 468
 469     /* Allocate areas to return information about the volume */
 470     EXIT_ON_ERROR(snd_ctl_elem_id_malloc(&elemidp), "snd_ctl_elem_id_malloc", MMSYSERR_NOMEM);
 471     EXIT_ON_ERROR(snd_ctl_elem_value_malloc (&elemvaluep), "snd_ctl_elem_value_malloc", MMSYSERR_NOMEM);
 472     EXIT_ON_ERROR(snd_ctl_elem_info_malloc (&eleminfop), "snd_ctl_elem_info_malloc", MMSYSERR_NOMEM);
 473     snd_ctl_elem_id_clear(elemidp);
 474     snd_ctl_elem_value_clear(elemvaluep);
 475     snd_ctl_elem_info_clear(eleminfop);
 476
 477     /* Setup and find an element id that exactly matches the characteristic we want
 478     ** FIXME:  It is probably short sighted to hard code and fixate on PCM Playback Volume */
 479     snd_ctl_elem_id_set_name(elemidp, "PCM Playback Volume");
 480     snd_ctl_elem_id_set_interface(elemidp, SND_CTL_ELEM_IFACE_MIXER);
 481     elem = snd_hctl_find_elem(hctl, elemidp);
 482     if (elem)
 483     {
 484         /* Read and return volume information */
 485         EXIT_ON_ERROR(snd_hctl_elem_info(elem, eleminfop), "snd_hctl_elem_info", MMSYSERR_NOTSUPPORTED);
 486         value_count = snd_ctl_elem_info_get_count(eleminfop);
 487         if (out_min || out_max || out_step)
 488         {
 489             if (!snd_ctl_elem_info_is_readable(eleminfop))
 490             {
 491                 ERR("snd_ctl_elem_info_is_readable returned false; cannot return info\n");
 492                 rc = MMSYSERR_NOTSUPPORTED;
 493                 goto out;
 494             }
 495
 496             if (out_min)
 497                 *out_min = snd_ctl_elem_info_get_min(eleminfop);
 498
 499             if (out_max)
 500                 *out_max = snd_ctl_elem_info_get_max(eleminfop);
 501
 502             if (out_step)
 503                 *out_step = snd_ctl_elem_info_get_step(eleminfop);
 504         }
 505
 506         if (out_left || out_right)
 507         {
 508             EXIT_ON_ERROR(snd_hctl_elem_read(elem, elemvaluep), "snd_hctl_elem_read", MMSYSERR_NOTSUPPORTED);
 509
 510             if (out_left)
 511                 *out_left = snd_ctl_elem_value_get_integer(elemvaluep, 0);
 512
 513             if (out_right)
 514             {
 515                 if (value_count == 1)
 516                     *out_right = snd_ctl_elem_value_get_integer(elemvaluep, 0);
 517                 else if (value_count == 2)
 518                     *out_right = snd_ctl_elem_value_get_integer(elemvaluep, 1);
 519                 else
 520                 {
 521                     ERR("Unexpected value count %d from snd_ctl_elem_info_get_count while getting volume info\n", value_count);
 522                     rc = -1;
 523                     goto out;
 524                 }
 525             }
 526         }
 527
 528         /* Set the volume */
 529         if (new_left || new_right)
 530         {
 531             EXIT_ON_ERROR(snd_hctl_elem_read(elem, elemvaluep), "snd_hctl_elem_read", MMSYSERR_NOTSUPPORTED);
 532             if (new_left)
 533                 snd_ctl_elem_value_set_integer(elemvaluep, 0, *new_left);
 534             if (new_right)
 535             {
 536                 if (value_count == 1)
 537                     snd_ctl_elem_value_set_integer(elemvaluep, 0, *new_right);
 538                 else if (value_count == 2)
 539                     snd_ctl_elem_value_set_integer(elemvaluep, 1, *new_right);
 540                 else
 541                 {
 542                     ERR("Unexpected value count %d from snd_ctl_elem_info_get_count while setting volume info\n", value_count);
 543                     rc = -1;
 544                     goto out;
 545                 }
 546             }
 547
 548             EXIT_ON_ERROR(snd_hctl_elem_write(elem, elemvaluep), "snd_hctl_elem_write", MMSYSERR_NOTSUPPORTED);
 549         }
 550     }
 551     else
 552     {
 553         ERR("Could not find 'PCM Playback Volume' element\n");
 554         rc = MMSYSERR_NOTSUPPORTED;
 555     }
 556
 557
 558 #undef EXIT_ON_ERROR
 559
 560 out:
 561
 562     if (elemvaluep)
 563         snd_ctl_elem_value_free(elemvaluep);
 564     if (eleminfop)
 565         snd_ctl_elem_info_free(eleminfop);
 566     if (elemidp)
 567         snd_ctl_elem_id_free(elemidp);
 568
 569     return rc;
 570 }
 571
 572
 573 /**************************************************************************
 574  *                      ALSA_XRUNRecovery               [internal]
 575  *
 576  * used to recovery from XRUN errors (buffer underflow/overflow)
 577  */
 578 static int ALSA_XRUNRecovery(WINE_WAVEOUT * wwo, int err)
 579 {
 580     if (err == -EPIPE) {    /* under-run */
 581         err = snd_pcm_prepare(wwo->handle);
 582         if (err < 0)
 583              ERR( "underrun recovery failed. prepare failed: %s\n", snd_strerror(err));
 584         return 0;
 585     } else if (err == -ESTRPIPE) {
 586         while ((err = snd_pcm_resume(wwo->handle)) == -EAGAIN)
 587             sleep(1);       /* wait until the suspend flag is released */
 588         if (err < 0) {
 589             err = snd_pcm_prepare(wwo->handle);
 590             if (err < 0)
 591                 ERR("recovery from suspend failed, prepare failed: %s\n", snd_strerror(err));
 592         }
 593         return 0;
 594     }
 595     return err;
 596 }
 597
 598 /**************************************************************************
 599  *                      ALSA_TraceParameters            [internal]
 600  *
 601  * used to trace format changes, hw and sw parameters
 602  */
 603 static void ALSA_TraceParameters(snd_pcm_hw_params_t * hw_params, snd_pcm_sw_params_t * sw, int full)
 604 {
 605     int err;
 606     snd_pcm_format_t   format;
 607     snd_pcm_access_t   access;
 608
 609     err = snd_pcm_hw_params_get_access(hw_params, &access);
 610     err = snd_pcm_hw_params_get_format(hw_params, &format);
 611
 612 #define X(x) ((x)? "true" : "false")
 613     if (full)
 614         TRACE("FLAGS: sampleres=%s overrng=%s pause=%s resume=%s syncstart=%s batch=%s block=%s double=%s "
 615               "halfd=%s joint=%s \n",
 616               X(snd_pcm_hw_params_can_mmap_sample_resolution(hw_params)),
 617               X(snd_pcm_hw_params_can_overrange(hw_params)),
 618               X(snd_pcm_hw_params_can_pause(hw_params)),
 619               X(snd_pcm_hw_params_can_resume(hw_params)),
 620               X(snd_pcm_hw_params_can_sync_start(hw_params)),
 621               X(snd_pcm_hw_params_is_batch(hw_params)),
 622               X(snd_pcm_hw_params_is_block_transfer(hw_params)),
 623               X(snd_pcm_hw_params_is_double(hw_params)),
 624               X(snd_pcm_hw_params_is_half_duplex(hw_params)),
 625               X(snd_pcm_hw_params_is_joint_duplex(hw_params)));
 626 #undef X
 627
 628     if (access >= 0)
 629         TRACE("access=%s\n", snd_pcm_access_name(access));
 630     else
 631     {
 632         snd_pcm_access_mask_t * acmask;
 633         snd_pcm_access_mask_alloca(&acmask);
 634         snd_pcm_hw_params_get_access_mask(hw_params, acmask);
 635         for ( access = SND_PCM_ACCESS_MMAP_INTERLEAVED; access <= SND_PCM_ACCESS_LAST; access++)
 636             if (snd_pcm_access_mask_test(acmask, access))
 637                 TRACE("access=%s\n", snd_pcm_access_name(access));
 638     }
 639
 640     if (format >= 0)
 641     {
 642         TRACE("format=%s\n", snd_pcm_format_name(format));
 643
 644     }
 645     else
 646     {
 647         snd_pcm_format_mask_t *     fmask;
 648
 649         snd_pcm_format_mask_alloca(&fmask);
 650         snd_pcm_hw_params_get_format_mask(hw_params, fmask);
 651         for ( format = SND_PCM_FORMAT_S8; format <= SND_PCM_FORMAT_LAST ; format++)
 652             if ( snd_pcm_format_mask_test(fmask, format) )
 653                 TRACE("format=%s\n", snd_pcm_format_name(format));
 654     }
 655
 656     do {
 657       int err=0;
 658       unsigned int val=0;
 659       err = snd_pcm_hw_params_get_channels(hw_params, &val);
 660       if (err<0) {
 661         unsigned int min = 0;
 662         unsigned int max = 0;
 663         err = snd_pcm_hw_params_get_channels_min(hw_params, &min),
 664         err = snd_pcm_hw_params_get_channels_max(hw_params, &max);
 665         TRACE("channels_min=%u, channels_min_max=%u\n", min, max);
 666       } else {
 667         TRACE("channels=%d\n", val);
 668       }
 669     } while(0);
 670     do {
 671       int err=0;
 672       snd_pcm_uframes_t val=0;
 673       err = snd_pcm_hw_params_get_buffer_size(hw_params, &val);
 674       if (err<0) {
 675         snd_pcm_uframes_t min = 0;
 676         snd_pcm_uframes_t max = 0;
 677         err = snd_pcm_hw_params_get_buffer_size_min(hw_params, &min),
 678         err = snd_pcm_hw_params_get_buffer_size_max(hw_params, &max);
 679         TRACE("buffer_size_min=%lu, buffer_size_min_max=%lu\n", min, max);
 680       } else {
 681         TRACE("buffer_size=%lu\n", val);
 682       }
 683     } while(0);
 684
 685 #define X(x) do { \
 686 int err=0; \
 687 int dir=0; \
 688 unsigned int val=0; \
 689 err = snd_pcm_hw_params_get_##x(hw_params,&val, &dir); \
 690 if (err<0) { \
 691   unsigned int min = 0; \
 692   unsigned int max = 0; \
 693   err = snd_pcm_hw_params_get_##x##_min(hw_params, &min, &dir); \
 694   err = snd_pcm_hw_params_get_##x##_max(hw_params, &max, &dir); \
 695   TRACE(#x "_min=%u " #x "_max=%u\n", min, max); \
 696 } else \
 697     TRACE(#x "=%d\n", val); \
 698 } while(0)
 699
 700     X(rate);
 701     X(buffer_time);
 702     X(periods);
 703     do {
 704       int err=0;
 705       int dir=0;
 706       snd_pcm_uframes_t val=0;
 707       err = snd_pcm_hw_params_get_period_size(hw_params, &val, &dir);
 708       if (err<0) {
 709         snd_pcm_uframes_t min = 0;
 710         snd_pcm_uframes_t max = 0;
 711         err = snd_pcm_hw_params_get_period_size_min(hw_params, &min, &dir),
 712         err = snd_pcm_hw_params_get_period_size_max(hw_params, &max, &dir);
 713         TRACE("period_size_min=%lu, period_size_min_max=%lu\n", min, max);
 714       } else {
 715         TRACE("period_size=%lu\n", val);
 716       }
 717     } while(0);
 718
 719     X(period_time);
 720     X(tick_time);
 721 #undef X
 722
 723     if (!sw)
 724         return;
 725 }
 726
 727 /* return a string duplicated on the win32 process heap, free with HeapFree */
 728 static char* ALSA_strdup(char *s) {
 729     char *result = HeapAlloc(GetProcessHeap(), 0, strlen(s)+1);
 730     strcpy(result, s);
 731     return result;
 732 }
 733
 734 /******************************************************************
 735  *             ALSA_GetDeviceFromReg
 736  *
 737  * Returns either "plug:hw" or reads the registry so the user can
 738  * override the playback/record device used.
 739  */
 740 static char *ALSA_GetDeviceFromReg(const char *value)
 741 {
 742     DWORD res;
 743     DWORD type;
 744     HKEY key = 0;
 745     char *result = NULL;
 746     DWORD resultSize;
 747
 748     res = RegOpenKeyExA(HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\ALSA", 0, KEY_QUERY_VALUE, &key);
 749     if (res != ERROR_SUCCESS) goto end;
 750
 751     res = RegQueryValueExA(key, value, NULL, &type, NULL, &resultSize);
 752     if (res != ERROR_SUCCESS) goto end;
 753
 754     if (type != REG_SZ) {
 755        ERR("Registry key [HKEY_LOCAL_MACHINE\\Software\\Wine\\Wine\\ALSA\\%s] must be a string\n", value);
 756        goto end;
 757     }
 758
 759     result = HeapAlloc(GetProcessHeap(), 0, resultSize);
 760     res = RegQueryValueExA(key, value, NULL, NULL, result, &resultSize);
 761
 762 end:
 763     if (!result)
 764         result = ALSA_strdup("plug:hw");
 765
 766     if (key)
 767         RegCloseKey(key);
 768
 769     return result;
 770 }
 771
 772 /******************************************************************
 773  *              ALSA_WaveInit
 774  *
 775  * Initialize internal structures from ALSA information
 776  */
 777 LONG ALSA_WaveInit(void)
 778 {
 779     snd_pcm_t*                  h;
 780     snd_pcm_info_t *            info;
 781     snd_pcm_hw_params_t *       hw_params;
 782     unsigned int ratemin=0;
 783     unsigned int ratemax=0;
 784     unsigned int chmin=0;
 785     unsigned int chmax=0;
 786     int dir=0;
 787     int err=0;
 788     WINE_WAVEOUT*               wwo;
 789     WINE_WAVEIN*                wwi;
 790     int i;
 791
 792     if (!wine_dlopen("libasound.so.2", RTLD_LAZY|RTLD_GLOBAL, NULL, 0))
 793     {
 794         ERR("Error: ALSA lib needs to be loaded with flags RTLD_LAZY and RTLD_GLOBAL.\n");
 795         return -1;
 796     }
 797
 798     ALSA_WodNumDevs = 0;
 799
 800     for (i = 0; i < MAX_WAVEOUTDRV; i++)
 801     {
 802         char device[64];
 803         char * regdev;
 804         WCHAR nameW[64];
 805         snd_pcm_format_mask_t * fmask;
 806         snd_pcm_access_mask_t * acmask;
 807
 808         wwo = &WOutDev[ALSA_WodNumDevs];
 809
 810         regdev = ALSA_GetDeviceFromReg("PlaybackDevice");
 811         sprintf(device, "%s:%d", regdev, i);
 812         HeapFree(GetProcessHeap(), 0, regdev);
 813         wwo->device = HeapAlloc(GetProcessHeap(), 0, strlen(device));
 814         strcpy(wwo->device, device);
 815         TRACE("using waveout device \"%s\"\n", wwo->device);
 816
 817         snprintf(wwo->interface_name, sizeof(wwo->interface_name), "winealsa: %s", wwo->device);
 818
 819         wwo->caps.wMid = 0x0002;
 820         wwo->caps.wPid = 0x0104;
 821         wwo->caps.vDriverVersion = 0x0100;
 822         wwo->caps.dwFormats = 0x00000000;
 823         wwo->caps.dwSupport = 0;
 824         strcpy(wwo->ds_desc.szDrvname, "winealsa.drv");
 825
 826         snd_pcm_info_alloca(&info);
 827         snd_pcm_hw_params_alloca(&hw_params);
 828
 829 #define EXIT_ON_ERROR(f,txt) do { int err; if ( (err = (f) ) < 0) { ERR(txt ": %s\n", snd_strerror(err)); if (h) snd_pcm_close(h); return -1; } } while(0)
 830
 831         h = NULL;
 832         snd_pcm_open(&h, wwo->device, SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK);
 833         if (!h)
 834             break;
 835
 836         EXIT_ON_ERROR( snd_pcm_info(h, info) , "pcm info" );
 837
 838         TRACE("dev=%d id=%s name=%s subdev=%d subdev_name=%s subdev_avail=%d subdev_num=%d stream=%s subclass=%s \n",
 839            snd_pcm_info_get_device(info),
 840            snd_pcm_info_get_id(info),
 841            snd_pcm_info_get_name(info),
 842            snd_pcm_info_get_subdevice(info),
 843            snd_pcm_info_get_subdevice_name(info),
 844            snd_pcm_info_get_subdevices_avail(info),
 845            snd_pcm_info_get_subdevices_count(info),
 846            snd_pcm_stream_name(snd_pcm_info_get_stream(info)),
 847            (snd_pcm_info_get_subclass(info) == SND_PCM_SUBCLASS_GENERIC_MIX ? "GENERIC MIX": "MULTI MIX"));
 848
 849         strcpy(wwo->ds_desc.szDesc, snd_pcm_info_get_name(info));
 850         MultiByteToWideChar(CP_ACP, 0, wwo->ds_desc.szDesc, -1, nameW, sizeof(nameW)/sizeof(WCHAR));
 851         strcpyW(wwo->caps.szPname, nameW);
 852         EXIT_ON_ERROR( snd_pcm_hw_params_any(h, hw_params) , "pcm hw params" );
 853 #undef EXIT_ON_ERROR
 854
 855         err = snd_pcm_hw_params_get_rate_min(hw_params, &ratemin, &dir);
 856         err = snd_pcm_hw_params_get_rate_max(hw_params, &ratemax, &dir);
 857         err = snd_pcm_hw_params_get_channels_min(hw_params, &chmin);
 858         err = snd_pcm_hw_params_get_channels_max(hw_params, &chmax);
 859         if (TRACE_ON(wave))
 860             ALSA_TraceParameters(hw_params, NULL, TRUE);
 861
 862         snd_pcm_format_mask_alloca(&fmask);
 863         snd_pcm_hw_params_get_format_mask(hw_params, fmask);
 864
 865 #define X(r,v) \
 866         if ( (r) >= ratemin && ( (r) <= ratemax || ratemax == -1) ) \
 867         { \
 868            if (snd_pcm_format_mask_test( fmask, SND_PCM_FORMAT_U8)) \
 869            { \
 870               if (chmin <= 1 && 1 <= chmax) \
 871                   wwo->caps.dwFormats |= WAVE_FORMAT_##v##M08; \
 872               if (chmin <= 2 && 2 <= chmax) \
 873                   wwo->caps.dwFormats |= WAVE_FORMAT_##v##S08; \
 874            } \
 875            if (snd_pcm_format_mask_test( fmask, SND_PCM_FORMAT_S16_LE)) \
 876            { \
 877               if (chmin <= 1 && 1 <= chmax) \
 878                   wwo->caps.dwFormats |= WAVE_FORMAT_##v##M16; \
 879               if (chmin <= 2 && 2 <= chmax) \
 880                   wwo->caps.dwFormats |= WAVE_FORMAT_##v##S16; \
 881            } \
 882         }
 883         X(11025,1);
 884         X(22050,2);
 885         X(44100,4);
 886         X(48000,48);
 887         X(96000,96);
 888 #undef X
 889
 890         if (chmin > 1)
 891             FIXME("-\n");
 892         wwo->caps.wChannels = chmax;
 893
 894         /* FIXME: always true ? */
 895         wwo->caps.dwSupport |= WAVECAPS_SAMPLEACCURATE;
 896
 897         snd_pcm_access_mask_alloca(&acmask);
 898         snd_pcm_hw_params_get_access_mask(hw_params, acmask);
 899
 900         /* FIXME: NONITERLEAVED and COMPLEX are not supported right now */
 901         if ( snd_pcm_access_mask_test( acmask, SND_PCM_ACCESS_MMAP_INTERLEAVED ) )
 902             wwo->caps.dwSupport |= WAVECAPS_DIRECTSOUND;
 903
 904         TRACE("Configured with dwFmts=%08lx dwSupport=%08lx\n",
 905               wwo->caps.dwFormats, wwo->caps.dwSupport);
 906
 907         snd_pcm_close(h);
 908
 909         /* Get a high level control handle for volume operations */
 910         /* FIXME:  This is never freed! (there are other things done in this function similarly not freed) */
 911         if (snd_hctl_open(&wwo->hctl, wwo->device, 0) >= 0)
 912             snd_hctl_load(wwo->hctl);
 913         else
 914             wwo->hctl = NULL;
 915
 916         /* check for volume control support */
 917         if (wwo->hctl) {
 918             wwo->caps.dwSupport |= WAVECAPS_VOLUME;
 919
 920             if (chmin <= 2 && 2 <= chmax)
 921                 wwo->caps.dwSupport |= WAVECAPS_LRVOLUME;
 922         }
 923
 924         if (wwo->caps.dwFormats & (WAVE_FORMAT_1M08  | WAVE_FORMAT_2M08  |
 925                                    WAVE_FORMAT_4M08  | WAVE_FORMAT_48M08 |
 926                                    WAVE_FORMAT_96M08 | WAVE_FORMAT_1M16  |
 927                                    WAVE_FORMAT_2M16  | WAVE_FORMAT_4M16  |
 928                                    WAVE_FORMAT_48M16 | WAVE_FORMAT_96M16) )
 929             wwo->ds_caps.dwFlags |= DSCAPS_PRIMARYMONO;
 930
 931         if (wwo->caps.dwFormats & (WAVE_FORMAT_1S08  | WAVE_FORMAT_2S08  |
 932                                    WAVE_FORMAT_4S08  | WAVE_FORMAT_48S08 |
 933                                    WAVE_FORMAT_96S08 | WAVE_FORMAT_1S16  |
 934                                    WAVE_FORMAT_2S16  | WAVE_FORMAT_4S16  |
 935                                    WAVE_FORMAT_48S16 | WAVE_FORMAT_96S16) )
 936             wwo->ds_caps.dwFlags |= DSCAPS_PRIMARYSTEREO;
 937
 938         if (wwo->caps.dwFormats & (WAVE_FORMAT_1M08  | WAVE_FORMAT_2M08  |
 939                                    WAVE_FORMAT_4M08  | WAVE_FORMAT_48M08 |
 940                                    WAVE_FORMAT_96M08 | WAVE_FORMAT_1S08  |
 941                                    WAVE_FORMAT_2S08  | WAVE_FORMAT_4S08  |
 942                                    WAVE_FORMAT_48S08 | WAVE_FORMAT_96S08) )
 943             wwo->ds_caps.dwFlags |= DSCAPS_PRIMARY8BIT;
 944
 945         if (wwo->caps.dwFormats & (WAVE_FORMAT_1M16  | WAVE_FORMAT_2M16  |
 946                                    WAVE_FORMAT_4M16  | WAVE_FORMAT_48M16 |
 947                                    WAVE_FORMAT_96M16 | WAVE_FORMAT_1S16  |
 948                                    WAVE_FORMAT_2S16  | WAVE_FORMAT_4S16  |
 949                                    WAVE_FORMAT_48S16 | WAVE_FORMAT_96S16) )
 950             wwo->ds_caps.dwFlags |= DSCAPS_PRIMARY16BIT;
 951
 952         wwo->ds_caps.dwMinSecondarySampleRate = DSBFREQUENCY_MIN;
 953         wwo->ds_caps.dwMaxSecondarySampleRate = DSBFREQUENCY_MAX;
 954         wwo->ds_caps.dwPrimaryBuffers = 1;
 955
 956         ALSA_WodNumDevs++;
 957     }
 958
 959     ALSA_WidNumDevs = 0;
 960
 961     for (i = 0; i < MAX_WAVEINDRV; i++)
 962     {
 963         char device[64];
 964         char * regdev;
 965         WCHAR nameW[64];
 966         snd_pcm_format_mask_t * fmask;
 967         snd_pcm_access_mask_t * acmask;
 968
 969         wwi = &WInDev[ALSA_WidNumDevs];
 970
 971         regdev = ALSA_GetDeviceFromReg("CaptureDevice");
 972         sprintf(device, "%s:%d", regdev, i);
 973         HeapFree(GetProcessHeap(), 0, regdev);
 974         wwi->device = HeapAlloc(GetProcessHeap(), 0, strlen(device));
 975         strcpy(wwi->device, device);
 976
 977         TRACE("using wavein device \"%s\"\n", wwi->device);
 978
 979         snprintf(wwi->interface_name, sizeof(wwi->interface_name), "winealsa: %s", wwi->device);
 980
 981         wwi->caps.wMid = 0x0002;
 982         wwi->caps.wPid = 0x0104;
 983         wwi->caps.vDriverVersion = 0x0100;
 984         wwi->caps.dwFormats = 0x00000000;
 985         strcpy(wwi->ds_desc.szDrvname, "winealsa.drv");
 986         wwi->dwSupport = 0;
 987
 988         snd_pcm_info_alloca(&info);
 989         snd_pcm_hw_params_alloca(&hw_params);
 990
 991 #define EXIT_ON_ERROR(f,txt) do { int err; if ( (err = (f) ) < 0) { ERR(txt ": %s\n", snd_strerror(err)); if (h) snd_pcm_close(h); return -1; } } while(0)
 992
 993         h = NULL;
 994         snd_pcm_open(&h, wwi->device, SND_PCM_STREAM_CAPTURE, SND_PCM_NONBLOCK);
 995         if (!h)
 996             break;
 997
 998         EXIT_ON_ERROR( snd_pcm_info(h, info) , "pcm info" );
 999
1000         TRACE("dev=%d id=%s name=%s subdev=%d subdev_name=%s subdev_avail=%d subdev_num=%d stream=%s subclass=%s \n",
1001            snd_pcm_info_get_device(info),
1002            snd_pcm_info_get_id(info),
1003            snd_pcm_info_get_name(info),
1004            snd_pcm_info_get_subdevice(info),
1005            snd_pcm_info_get_subdevice_name(info),
1006            snd_pcm_info_get_subdevices_avail(info),
1007            snd_pcm_info_get_subdevices_count(info),
1008            snd_pcm_stream_name(snd_pcm_info_get_stream(info)),
1009            (snd_pcm_info_get_subclass(info) == SND_PCM_SUBCLASS_GENERIC_MIX ? "GENERIC MIX": "MULTI MIX"));
1010
1011         strcpy(wwi->ds_desc.szDesc, snd_pcm_info_get_name(info));
1012         MultiByteToWideChar(CP_ACP, 0, wwi->ds_desc.szDesc, -1, nameW, sizeof(nameW)/sizeof(WCHAR));
1013         strcpyW(wwi->caps.szPname, nameW);
1014         EXIT_ON_ERROR( snd_pcm_hw_params_any(h, hw_params) , "pcm hw params" );
1015 #undef EXIT_ON_ERROR
1016         err = snd_pcm_hw_params_get_rate_min(hw_params, &ratemin, &dir);
1017         err = snd_pcm_hw_params_get_rate_max(hw_params, &ratemax, &dir);
1018         err = snd_pcm_hw_params_get_channels_min(hw_params, &chmin);
1019         err = snd_pcm_hw_params_get_channels_max(hw_params, &chmax);
1020
1021         if (TRACE_ON(wave))
1022             ALSA_TraceParameters(hw_params, NULL, TRUE);
1023
1024         snd_pcm_format_mask_alloca(&fmask);
1025         snd_pcm_hw_params_get_format_mask(hw_params, fmask);
1026
1027 #define X(r,v) \
1028         if ( (r) >= ratemin && ( (r) <= ratemax || ratemax == -1) ) \
1029         { \
1030            if (snd_pcm_format_mask_test( fmask, SND_PCM_FORMAT_U8)) \
1031            { \
1032               if (chmin <= 1 && 1 <= chmax) \
1033                   wwi->caps.dwFormats |= WAVE_FORMAT_##v##M08; \
1034               if (chmin <= 2 && 2 <= chmax) \
1035                   wwi->caps.dwFormats |= WAVE_FORMAT_##v##S08; \
1036            } \
1037            if (snd_pcm_format_mask_test( fmask, SND_PCM_FORMAT_S16_LE)) \
1038            { \
1039               if (chmin <= 1 && 1 <= chmax) \
1040                   wwi->caps.dwFormats |= WAVE_FORMAT_##v##M16; \
1041               if (chmin <= 2 && 2 <= chmax) \
1042                   wwi->caps.dwFormats |= WAVE_FORMAT_##v##S16; \
1043            } \
1044         }
1045         X(11025,1);
1046         X(22050,2);
1047         X(44100,4);
1048         X(48000,48);
1049         X(96000,96);
1050 #undef X
1051
1052         if (chmin > 1)
1053             FIXME("-\n");
1054         wwi->caps.wChannels = chmax;
1055
1056         snd_pcm_access_mask_alloca(&acmask);
1057         snd_pcm_hw_params_get_access_mask(hw_params, acmask);
1058
1059         /* FIXME: NONITERLEAVED and COMPLEX are not supported right now */
1060         if ( snd_pcm_access_mask_test( acmask, SND_PCM_ACCESS_MMAP_INTERLEAVED ) ) {
1061 #if 0
1062             wwi->dwSupport |= WAVECAPS_DIRECTSOUND;
1063 #endif
1064         }
1065
1066         TRACE("Configured with dwFmts=%08lx\n", wwi->caps.dwFormats);
1067
1068         snd_pcm_close(h);
1069
1070         ALSA_WidNumDevs++;
1071     }
1072
1073     return 0;
1074 }
1075
1076 /******************************************************************
1077  *              ALSA_InitRingMessage
1078  *
1079  * Initialize the ring of messages for passing between driver's caller and playback/record
1080  * thread
1081  */
1082 static int ALSA_InitRingMessage(ALSA_MSG_RING* omr)
1083 {
1084     omr->msg_toget = 0;
1085     omr->msg_tosave = 0;
1086 #ifdef USE_PIPE_SYNC
1087     if (pipe(omr->msg_pipe) < 0) {
1088         omr->msg_pipe[0] = -1;
1089         omr->msg_pipe[1] = -1;
1090         ERR("could not create pipe, error=%s\n", strerror(errno));
1091     }
1092 #else
1093     omr->msg_event = CreateEventW(NULL, FALSE, FALSE, NULL);
1094 #endif
1095     omr->ring_buffer_size = ALSA_RING_BUFFER_INCREMENT;
1096     omr->messages = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,omr->ring_buffer_size * sizeof(ALSA_MSG));
1097
1098     InitializeCriticalSection(&omr->msg_crst);
1099     return 0;
1100 }
1101
1102 /******************************************************************
1103  *              ALSA_DestroyRingMessage
1104  *
1105  */
1106 static int ALSA_DestroyRingMessage(ALSA_MSG_RING* omr)
1107 {
1108 #ifdef USE_PIPE_SYNC
1109     close(omr->msg_pipe[0]);
1110     close(omr->msg_pipe[1]);
1111 #else
1112     CloseHandle(omr->msg_event);
1113 #endif
1114     HeapFree(GetProcessHeap(),0,omr->messages);
1115     DeleteCriticalSection(&omr->msg_crst);
1116     return 0;
1117 }
1118
1119 /******************************************************************
1120  *              ALSA_AddRingMessage
1121  *
1122  * Inserts a new message into the ring (should be called from DriverProc derivated routines)
1123  */
1124 static int ALSA_AddRingMessage(ALSA_MSG_RING* omr, enum win_wm_message msg, DWORD param, BOOL wait)
1125 {
1126     HANDLE      hEvent = INVALID_HANDLE_VALUE;
1127
1128     EnterCriticalSection(&omr->msg_crst);
1129     if ((omr->msg_toget == ((omr->msg_tosave + 1) % omr->ring_buffer_size)))
1130     {
1131         int old_ring_buffer_size = omr->ring_buffer_size;
1132         omr->ring_buffer_size += ALSA_RING_BUFFER_INCREMENT;
1133         TRACE("omr->ring_buffer_size=%d\n",omr->ring_buffer_size);
1134         omr->messages = HeapReAlloc(GetProcessHeap(),0,omr->messages, omr->ring_buffer_size * sizeof(ALSA_MSG));
1135         /* Now we need to rearrange the ring buffer so that the new
1136            buffers just allocated are in between omr->msg_tosave and
1137            omr->msg_toget.
1138         */
1139         if (omr->msg_tosave < omr->msg_toget)
1140         {
1141             memmove(&(omr->messages[omr->msg_toget + ALSA_RING_BUFFER_INCREMENT]),
1142                     &(omr->messages[omr->msg_toget]),
1143                     sizeof(ALSA_MSG)*(old_ring_buffer_size - omr->msg_toget)
1144                     );
1145             omr->msg_toget += ALSA_RING_BUFFER_INCREMENT;
1146         }
1147     }
1148     if (wait)
1149     {
1150         hEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
1151         if (hEvent == INVALID_HANDLE_VALUE)
1152         {
1153             ERR("can't create event !?\n");
1154             LeaveCriticalSection(&omr->msg_crst);
1155             return 0;
1156         }
1157         if (omr->msg_toget != omr->msg_tosave && omr->messages[omr->msg_toget].msg != WINE_WM_HEADER)
1158             FIXME("two fast messages in the queue!!!! toget = %d(%s), tosave=%d(%s)\n",
1159                   omr->msg_toget,getCmdString(omr->messages[omr->msg_toget].msg),
1160                   omr->msg_tosave,getCmdString(omr->messages[omr->msg_tosave].msg));
1161
1162         /* fast messages have to be added at the start of the queue */
1163         omr->msg_toget = (omr->msg_toget + omr->ring_buffer_size - 1) % omr->ring_buffer_size;
1164
1165         omr->messages[omr->msg_toget].msg = msg;
1166         omr->messages[omr->msg_toget].param = param;
1167         omr->messages[omr->msg_toget].hEvent = hEvent;
1168     }
1169     else
1170     {
1171         omr->messages[omr->msg_tosave].msg = msg;
1172         omr->messages[omr->msg_tosave].param = param;
1173         omr->messages[omr->msg_tosave].hEvent = INVALID_HANDLE_VALUE;
1174         omr->msg_tosave = (omr->msg_tosave + 1) % omr->ring_buffer_size;
1175     }
1176     LeaveCriticalSection(&omr->msg_crst);
1177     /* signal a new message */
1178     SIGNAL_OMR(omr);
1179     if (wait)
1180     {
1181         /* wait for playback/record thread to have processed the message */
1182         WaitForSingleObject(hEvent, INFINITE);
1183         CloseHandle(hEvent);
1184     }
1185     return 1;
1186 }
1187
1188 /******************************************************************
1189  *              ALSA_RetrieveRingMessage
1190  *
1191  * Get a message from the ring. Should be called by the playback/record thread.
1192  */
1193 static int ALSA_RetrieveRingMessage(ALSA_MSG_RING* omr,
1194                                    enum win_wm_message *msg, DWORD *param, HANDLE *hEvent)
1195 {
1196     EnterCriticalSection(&omr->msg_crst);
1197
1198     if (omr->msg_toget == omr->msg_tosave) /* buffer empty ? */
1199     {
1200         LeaveCriticalSection(&omr->msg_crst);
1201         return 0;
1202     }
1203
1204     *msg = omr->messages[omr->msg_toget].msg;
1205     omr->messages[omr->msg_toget].msg = 0;
1206     *param = omr->messages[omr->msg_toget].param;
1207     *hEvent = omr->messages[omr->msg_toget].hEvent;
1208     omr->msg_toget = (omr->msg_toget + 1) % omr->ring_buffer_size;
1209     CLEAR_OMR(omr);
1210     LeaveCriticalSection(&omr->msg_crst);
1211     return 1;
1212 }
1213
1214 /******************************************************************
1215  *              ALSA_PeekRingMessage
1216  *
1217  * Peek at a message from the ring but do not remove it.
1218  * Should be called by the playback/record thread.
1219  */
1220 static int ALSA_PeekRingMessage(ALSA_MSG_RING* omr,
1221                                enum win_wm_message *msg,
1222                                DWORD *param, HANDLE *hEvent)
1223 {
1224     EnterCriticalSection(&omr->msg_crst);
1225
1226     if (omr->msg_toget == omr->msg_tosave) /* buffer empty ? */
1227     {
1228         LeaveCriticalSection(&omr->msg_crst);
1229         return 0;
1230     }
1231
1232     *msg = omr->messages[omr->msg_toget].msg;
1233     *param = omr->messages[omr->msg_toget].param;
1234     *hEvent = omr->messages[omr->msg_toget].hEvent;
1235     LeaveCriticalSection(&omr->msg_crst);
1236     return 1;
1237 }
1238
1239 /*======================================================================*
1240  *                  Low level WAVE OUT implementation                   *
1241  *======================================================================*/
1242
1243 /**************************************************************************
1244  *                      wodNotifyClient                 [internal]
1245  */
1246 static DWORD wodNotifyClient(WINE_WAVEOUT* wwo, WORD wMsg, DWORD dwParam1, DWORD dwParam2)
1247 {
1248     TRACE("wMsg = 0x%04x dwParm1 = %04lX dwParam2 = %04lX\n", wMsg, dwParam1, dwParam2);
1249
1250     switch (wMsg) {
1251     case WOM_OPEN:
1252     case WOM_CLOSE:
1253     case WOM_DONE:
1254         if (wwo->wFlags != DCB_NULL &&
1255             !DriverCallback(wwo->waveDesc.dwCallback, wwo->wFlags, (HDRVR)wwo->waveDesc.hWave,
1256                             wMsg, wwo->waveDesc.dwInstance, dwParam1, dwParam2)) {
1257             WARN("can't notify client !\n");
1258             return MMSYSERR_ERROR;
1259         }
1260         break;
1261     default:
1262         FIXME("Unknown callback message %u\n", wMsg);
1263         return MMSYSERR_INVALPARAM;
1264     }
1265     return MMSYSERR_NOERROR;
1266 }
1267
1268 /**************************************************************************
1269  *                              wodUpdatePlayedTotal    [internal]
1270  *
1271  */
1272 static BOOL wodUpdatePlayedTotal(WINE_WAVEOUT* wwo, snd_pcm_status_t* ps)
1273 {
1274     snd_pcm_sframes_t delay = 0;
1275     snd_pcm_delay(wwo->handle, &delay);
1276     if (snd_pcm_state(wwo->handle) != SND_PCM_STATE_RUNNING)
1277         delay=0;
1278     wwo->dwPlayedTotal = wwo->dwWrittenTotal - snd_pcm_frames_to_bytes(wwo->handle, delay);
1279     return TRUE;
1280 }
1281
1282 /**************************************************************************
1283  *                              wodPlayer_BeginWaveHdr          [internal]
1284  *
1285  * Makes the specified lpWaveHdr the currently playing wave header.
1286  * If the specified wave header is a begin loop and we're not already in
1287  * a loop, setup the loop.
1288  */
1289 static void wodPlayer_BeginWaveHdr(WINE_WAVEOUT* wwo, LPWAVEHDR lpWaveHdr)
1290 {
1291     wwo->lpPlayPtr = lpWaveHdr;
1292
1293     if (!lpWaveHdr) return;
1294
1295     if (lpWaveHdr->dwFlags & WHDR_BEGINLOOP) {
1296         if (wwo->lpLoopPtr) {
1297             WARN("Already in a loop. Discarding loop on this header (%p)\n", lpWaveHdr);
1298         } else {
1299             TRACE("Starting loop (%ldx) with %p\n", lpWaveHdr->dwLoops, lpWaveHdr);
1300             wwo->lpLoopPtr = lpWaveHdr;
1301             /* Windows does not touch WAVEHDR.dwLoops,
1302              * so we need to make an internal copy */
1303             wwo->dwLoops = lpWaveHdr->dwLoops;
1304         }
1305     }
1306     wwo->dwPartialOffset = 0;
1307 }
1308
1309 /**************************************************************************
1310  *                              wodPlayer_PlayPtrNext           [internal]
1311  *
1312  * Advance the play pointer to the next waveheader, looping if required.
1313  */
1314 static LPWAVEHDR wodPlayer_PlayPtrNext(WINE_WAVEOUT* wwo)
1315 {
1316     LPWAVEHDR lpWaveHdr = wwo->lpPlayPtr;
1317
1318     wwo->dwPartialOffset = 0;
1319     if ((lpWaveHdr->dwFlags & WHDR_ENDLOOP) && wwo->lpLoopPtr) {
1320         /* We're at the end of a loop, loop if required */
1321         if (--wwo->dwLoops > 0) {
1322             wwo->lpPlayPtr = wwo->lpLoopPtr;
1323         } else {
1324             /* Handle overlapping loops correctly */
1325             if (wwo->lpLoopPtr != lpWaveHdr && (lpWaveHdr->dwFlags & WHDR_BEGINLOOP)) {
1326                 FIXME("Correctly handled case ? (ending loop buffer also starts a new loop)\n");
1327                 /* shall we consider the END flag for the closing loop or for
1328                  * the opening one or for both ???
1329                  * code assumes for closing loop only
1330                  */
1331             } else {
1332                 lpWaveHdr = lpWaveHdr->lpNext;
1333             }
1334             wwo->lpLoopPtr = NULL;
1335             wodPlayer_BeginWaveHdr(wwo, lpWaveHdr);
1336         }
1337     } else {
1338         /* We're not in a loop.  Advance to the next wave header */
1339         wodPlayer_BeginWaveHdr(wwo, lpWaveHdr = lpWaveHdr->lpNext);
1340     }
1341
1342     return lpWaveHdr;
1343 }
1344
1345 /**************************************************************************
1346  *                           wodPlayer_DSPWait                  [internal]
1347  * Returns the number of milliseconds to wait for the DSP buffer to play a
1348  * period
1349  */
1350 static DWORD wodPlayer_DSPWait(const WINE_WAVEOUT *wwo)
1351 {
1352     /* time for one period to be played */
1353     unsigned int val=0;
1354     int dir=0;
1355     int err=0;
1356     err = snd_pcm_hw_params_get_period_time(wwo->hw_params, &val, &dir);
1357     return val / 1000;
1358 }
1359
1360 /**************************************************************************
1361  *                           wodPlayer_NotifyWait               [internal]
1362  * Returns the number of milliseconds to wait before attempting to notify
1363  * completion of the specified wavehdr.
1364  * This is based on the number of bytes remaining to be written in the
1365  * wave.
1366  */
1367 static DWORD wodPlayer_NotifyWait(const WINE_WAVEOUT* wwo, LPWAVEHDR lpWaveHdr)
1368 {
1369     DWORD dwMillis;
1370
1371     if (lpWaveHdr->reserved < wwo->dwPlayedTotal) {
1372         dwMillis = 1;
1373     } else {
1374         dwMillis = (lpWaveHdr->reserved - wwo->dwPlayedTotal) * 1000 / wwo->format.Format.nAvgBytesPerSec;
1375         if (!dwMillis) dwMillis = 1;
1376     }
1377
1378     return dwMillis;
1379 }
1380
1381
1382 /**************************************************************************
1383  *                           wodPlayer_WriteMaxFrags            [internal]
1384  * Writes the maximum number of frames possible to the DSP and returns
1385  * the number of frames written.
1386  */
1387 static int wodPlayer_WriteMaxFrags(WINE_WAVEOUT* wwo, DWORD* frames)
1388 {
1389     /* Only attempt to write to free frames */
1390     LPWAVEHDR lpWaveHdr = wwo->lpPlayPtr;
1391     DWORD dwLength = snd_pcm_bytes_to_frames(wwo->handle, lpWaveHdr->dwBufferLength - wwo->dwPartialOffset);
1392     int toWrite = min(dwLength, *frames);
1393     int written;
1394
1395     TRACE("Writing wavehdr %p.%lu[%lu]\n", lpWaveHdr, wwo->dwPartialOffset, lpWaveHdr->dwBufferLength);
1396
1397     if (toWrite > 0) {
1398         written = (wwo->write)(wwo->handle, lpWaveHdr->lpData + wwo->dwPartialOffset, toWrite);
1399         if ( written < 0) {
1400             /* XRUN occurred. let's try to recover */
1401             ALSA_XRUNRecovery(wwo, written);
1402             written = (wwo->write)(wwo->handle, lpWaveHdr->lpData + wwo->dwPartialOffset, toWrite);
1403         }
1404         if (written <= 0) {
1405             /* still in error */
1406             ERR("Error in writing wavehdr. Reason: %s\n", snd_strerror(written));
1407             return written;
1408         }
1409     } else
1410         written = 0;
1411
1412     wwo->dwPartialOffset += snd_pcm_frames_to_bytes(wwo->handle, written);
1413     if ( wwo->dwPartialOffset >= lpWaveHdr->dwBufferLength) {
1414         /* this will be used to check if the given wave header has been fully played or not... */
1415         wwo->dwPartialOffset = lpWaveHdr->dwBufferLength;
1416         /* If we wrote all current wavehdr, skip to the next one */
1417         wodPlayer_PlayPtrNext(wwo);
1418     }
1419     *frames -= written;
1420     wwo->dwWrittenTotal += snd_pcm_frames_to_bytes(wwo->handle, written);
1421     TRACE("dwWrittenTotal=%lu\n", wwo->dwWrittenTotal);
1422
1423     return written;
1424 }
1425
1426
1427 /**************************************************************************
1428  *                              wodPlayer_NotifyCompletions     [internal]
1429  *
1430  * Notifies and remove from queue all wavehdrs which have been played to
1431  * the speaker (ie. they have cleared the ALSA buffer).  If force is true,
1432  * we notify all wavehdrs and remove them all from the queue even if they
1433  * are unplayed or part of a loop.
1434  */
1435 static DWORD wodPlayer_NotifyCompletions(WINE_WAVEOUT* wwo, BOOL force)
1436 {
1437     LPWAVEHDR           lpWaveHdr;
1438
1439     /* Start from lpQueuePtr and keep notifying until:
1440      * - we hit an unwritten wavehdr
1441      * - we hit the beginning of a running loop
1442      * - we hit a wavehdr which hasn't finished playing
1443      */
1444 #if 0
1445     while ((lpWaveHdr = wwo->lpQueuePtr) &&
1446            (force ||
1447             (lpWaveHdr != wwo->lpPlayPtr &&
1448              lpWaveHdr != wwo->lpLoopPtr &&
1449              lpWaveHdr->reserved <= wwo->dwPlayedTotal))) {
1450
1451         wwo->lpQueuePtr = lpWaveHdr->lpNext;
1452
1453         lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
1454         lpWaveHdr->dwFlags |= WHDR_DONE;
1455
1456         wodNotifyClient(wwo, WOM_DONE, (DWORD)lpWaveHdr, 0);
1457     }
1458 #else
1459     for (;;)
1460     {
1461         lpWaveHdr = wwo->lpQueuePtr;
1462         if (!lpWaveHdr) {TRACE("Empty queue\n"); break;}
1463         if (!force)
1464         {
1465             if (lpWaveHdr == wwo->lpPlayPtr) {TRACE("play %p\n", lpWaveHdr); break;}
1466             if (lpWaveHdr == wwo->lpLoopPtr) {TRACE("loop %p\n", lpWaveHdr); break;}
1467             if (lpWaveHdr->reserved > wwo->dwPlayedTotal){TRACE("still playing %p (%lu/%lu)\n", lpWaveHdr, lpWaveHdr->reserved, wwo->dwPlayedTotal);break;}
1468         }
1469         wwo->lpQueuePtr = lpWaveHdr->lpNext;
1470
1471         lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
1472         lpWaveHdr->dwFlags |= WHDR_DONE;
1473
1474         wodNotifyClient(wwo, WOM_DONE, (DWORD)lpWaveHdr, 0);
1475     }
1476 #endif
1477     return  (lpWaveHdr && lpWaveHdr != wwo->lpPlayPtr && lpWaveHdr != wwo->lpLoopPtr) ?
1478         wodPlayer_NotifyWait(wwo, lpWaveHdr) : INFINITE;
1479 }
1480
1481
1482 static void wait_for_poll(snd_pcm_t *handle, struct pollfd *ufds, unsigned int count)
1483 {
1484     unsigned short revents;
1485
1486     if (snd_pcm_state(handle) != SND_PCM_STATE_RUNNING)
1487         return;
1488
1489     while (1) {
1490         poll(ufds, count, -1);
1491         snd_pcm_poll_descriptors_revents(handle, ufds, count, &revents);
1492
1493         if (revents & POLLERR)
1494             return;
1495
1496         /*if (revents & POLLOUT)
1497                 return 0;*/
1498     }
1499 }
1500
1501
1502 /**************************************************************************
1503  *                              wodPlayer_Reset                 [internal]
1504  *
1505  * wodPlayer helper. Resets current output stream.
1506  */
1507 static  void    wodPlayer_Reset(WINE_WAVEOUT* wwo)
1508 {
1509     enum win_wm_message msg;
1510     DWORD                       param;
1511     HANDLE                      ev;
1512     int                         err;
1513
1514     /* flush all possible output */
1515     wait_for_poll(wwo->handle, wwo->ufds, wwo->count);
1516
1517     wodUpdatePlayedTotal(wwo, NULL);
1518     /* updates current notify list */
1519     wodPlayer_NotifyCompletions(wwo, FALSE);
1520
1521     if ( (err = snd_pcm_drop(wwo->handle)) < 0) {
1522         FIXME("flush: %s\n", snd_strerror(err));
1523         wwo->hThread = 0;
1524         wwo->state = WINE_WS_STOPPED;
1525         ExitThread(-1);
1526     }
1527     if ( (err = snd_pcm_prepare(wwo->handle)) < 0 )
1528         ERR("pcm prepare failed: %s\n", snd_strerror(err));
1529
1530     /* remove any buffer */
1531     wodPlayer_NotifyCompletions(wwo, TRUE);
1532
1533     wwo->lpPlayPtr = wwo->lpQueuePtr = wwo->lpLoopPtr = NULL;
1534     wwo->state = WINE_WS_STOPPED;
1535     wwo->dwPlayedTotal = wwo->dwWrittenTotal = 0;
1536     /* Clear partial wavehdr */
1537     wwo->dwPartialOffset = 0;
1538
1539     /* remove any existing message in the ring */
1540     EnterCriticalSection(&wwo->msgRing.msg_crst);
1541     /* return all pending headers in queue */
1542     while (ALSA_RetrieveRingMessage(&wwo->msgRing, &msg, &param, &ev))
1543     {
1544         if (msg != WINE_WM_HEADER)
1545         {
1546             FIXME("shouldn't have headers left\n");
1547             SetEvent(ev);
1548             continue;
1549         }
1550         ((LPWAVEHDR)param)->dwFlags &= ~WHDR_INQUEUE;
1551         ((LPWAVEHDR)param)->dwFlags |= WHDR_DONE;
1552
1553         wodNotifyClient(wwo, WOM_DONE, param, 0);
1554     }
1555     RESET_OMR(&wwo->msgRing);
1556     LeaveCriticalSection(&wwo->msgRing.msg_crst);
1557 }
1558
1559 /**************************************************************************
1560  *                    wodPlayer_ProcessMessages                 [internal]
1561  */
1562 static void wodPlayer_ProcessMessages(WINE_WAVEOUT* wwo)
1563 {
1564     LPWAVEHDR           lpWaveHdr;
1565     enum win_wm_message msg;
1566     DWORD               param;
1567     HANDLE              ev;
1568     int                 err;
1569
1570     while (ALSA_RetrieveRingMessage(&wwo->msgRing, &msg, &param, &ev)) {
1571      TRACE("Received %s %lx\n", getCmdString(msg), param);
1572
1573         switch (msg) {
1574         case WINE_WM_PAUSING:
1575             if ( snd_pcm_state(wwo->handle) == SND_PCM_STATE_RUNNING )
1576              {
1577                 err = snd_pcm_pause(wwo->handle, 1);
1578                 if ( err < 0 )
1579                     ERR("pcm_pause failed: %s\n", snd_strerror(err));
1580              }
1581             wwo->state = WINE_WS_PAUSED;
1582             SetEvent(ev);
1583             break;
1584         case WINE_WM_RESTARTING:
1585             if (wwo->state == WINE_WS_PAUSED)
1586             {
1587                 if ( snd_pcm_state(wwo->handle) == SND_PCM_STATE_PAUSED )
1588                  {
1589                     err = snd_pcm_pause(wwo->handle, 0);
1590                     if ( err < 0 )
1591                         ERR("pcm_pause failed: %s\n", snd_strerror(err));
1592                  }
1593                 wwo->state = WINE_WS_PLAYING;
1594             }
1595             SetEvent(ev);
1596             break;
1597         case WINE_WM_HEADER:
1598             lpWaveHdr = (LPWAVEHDR)param;
1599
1600             /* insert buffer at the end of queue */
1601             {
1602                 LPWAVEHDR*      wh;
1603                 for (wh = &(wwo->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
1604                 *wh = lpWaveHdr;
1605             }
1606             if (!wwo->lpPlayPtr)
1607                 wodPlayer_BeginWaveHdr(wwo,lpWaveHdr);
1608             if (wwo->state == WINE_WS_STOPPED)
1609                 wwo->state = WINE_WS_PLAYING;
1610             break;
1611         case WINE_WM_RESETTING:
1612             wodPlayer_Reset(wwo);
1613             SetEvent(ev);
1614             break;
1615         case WINE_WM_UPDATE:
1616             wodUpdatePlayedTotal(wwo, NULL);
1617             SetEvent(ev);
1618             break;
1619         case WINE_WM_BREAKLOOP:
1620             if (wwo->state == WINE_WS_PLAYING && wwo->lpLoopPtr != NULL) {
1621                 /* ensure exit at end of current loop */
1622                 wwo->dwLoops = 1;
1623             }
1624             SetEvent(ev);
1625             break;
1626         case WINE_WM_CLOSING:
1627             /* sanity check: this should not happen since the device must have been reset before */
1628             if (wwo->lpQueuePtr || wwo->lpPlayPtr) ERR("out of sync\n");
1629             wwo->hThread = 0;
1630             wwo->state = WINE_WS_CLOSED;
1631             SetEvent(ev);
1632             ExitThread(0);
1633             /* shouldn't go here */
1634         default:
1635             FIXME("unknown message %d\n", msg);
1636             break;
1637         }
1638     }
1639 }
1640
1641 /**************************************************************************
1642  *                           wodPlayer_FeedDSP                  [internal]
1643  * Feed as much sound data as we can into the DSP and return the number of
1644  * milliseconds before it will be necessary to feed the DSP again.
1645  */
1646 static DWORD wodPlayer_FeedDSP(WINE_WAVEOUT* wwo)
1647 {
1648     DWORD               availInQ;
1649
1650     wodUpdatePlayedTotal(wwo, NULL);
1651     availInQ = snd_pcm_avail_update(wwo->handle);
1652
1653 #if 0
1654     /* input queue empty and output buffer with less than one fragment to play */
1655     if (!wwo->lpPlayPtr && wwo->dwBufferSize < availInQ + wwo->dwFragmentSize) {
1656         TRACE("Run out of wavehdr:s...\n");
1657         return INFINITE;
1658     }
1659 #endif
1660
1661     /* no more room... no need to try to feed */
1662     if (availInQ > 0) {
1663         /* Feed from partial wavehdr */
1664         if (wwo->lpPlayPtr && wwo->dwPartialOffset != 0) {
1665             wodPlayer_WriteMaxFrags(wwo, &availInQ);
1666         }
1667
1668         /* Feed wavehdrs until we run out of wavehdrs or DSP space */
1669         if (wwo->dwPartialOffset == 0 && wwo->lpPlayPtr) {
1670             do {
1671                 TRACE("Setting time to elapse for %p to %lu\n",
1672                       wwo->lpPlayPtr, wwo->dwWrittenTotal + wwo->lpPlayPtr->dwBufferLength);
1673                 /* note the value that dwPlayedTotal will return when this wave finishes playing */
1674                 wwo->lpPlayPtr->reserved = wwo->dwWrittenTotal + wwo->lpPlayPtr->dwBufferLength;
1675             } while (wodPlayer_WriteMaxFrags(wwo, &availInQ) && wwo->lpPlayPtr && availInQ > 0);
1676         }
1677     }
1678
1679     return wodPlayer_DSPWait(wwo);
1680 }
1681
1682 /**************************************************************************
1683  *                              wodPlayer                       [internal]
1684  */
1685 static  DWORD   CALLBACK        wodPlayer(LPVOID pmt)
1686 {
1687     WORD          uDevID = (DWORD)pmt;
1688     WINE_WAVEOUT* wwo = (WINE_WAVEOUT*)&WOutDev[uDevID];
1689     DWORD         dwNextFeedTime = INFINITE;   /* Time before DSP needs feeding */
1690     DWORD         dwNextNotifyTime = INFINITE; /* Time before next wave completion */
1691     DWORD         dwSleepTime;
1692
1693     wwo->state = WINE_WS_STOPPED;
1694     SetEvent(wwo->hStartUpEvent);
1695
1696     for (;;) {
1697         /** Wait for the shortest time before an action is required.  If there
1698          *  are no pending actions, wait forever for a command.
1699          */
1700         dwSleepTime = min(dwNextFeedTime, dwNextNotifyTime);
1701         TRACE("waiting %lums (%lu,%lu)\n", dwSleepTime, dwNextFeedTime, dwNextNotifyTime);
1702         WAIT_OMR(&wwo->msgRing, dwSleepTime);
1703         wodPlayer_ProcessMessages(wwo);
1704         if (wwo->state == WINE_WS_PLAYING) {
1705             dwNextFeedTime = wodPlayer_FeedDSP(wwo);
1706             dwNextNotifyTime = wodPlayer_NotifyCompletions(wwo, FALSE);
1707             if (dwNextFeedTime == INFINITE) {
1708                 /* FeedDSP ran out of data, but before giving up, */
1709                 /* check that a notification didn't give us more */
1710                 wodPlayer_ProcessMessages(wwo);
1711                 if (wwo->lpPlayPtr) {
1712                     TRACE("recovering\n");
1713                     dwNextFeedTime = wodPlayer_FeedDSP(wwo);
1714                 }
1715             }
1716         } else {
1717             dwNextFeedTime = dwNextNotifyTime = INFINITE;
1718         }
1719     }
1720 }
1721
1722 /**************************************************************************
1723  *                      wodGetDevCaps                           [internal]
1724  */
1725 static DWORD wodGetDevCaps(WORD wDevID, LPWAVEOUTCAPSW lpCaps, DWORD dwSize)
1726 {
1727     TRACE("(%u, %p, %lu);\n", wDevID, lpCaps, dwSize);
1728
1729     if (lpCaps == NULL) return MMSYSERR_NOTENABLED;
1730
1731     if (wDevID >= MAX_WAVEOUTDRV) {
1732         TRACE("MAX_WAVOUTDRV reached !\n");
1733         return MMSYSERR_BADDEVICEID;
1734     }
1735
1736     memcpy(lpCaps, &WOutDev[wDevID].caps, min(dwSize, sizeof(*lpCaps)));
1737     return MMSYSERR_NOERROR;
1738 }
1739
1740 /**************************************************************************
1741  *                              wodOpen                         [internal]
1742  */
1743 static DWORD wodOpen(WORD wDevID, LPWAVEOPENDESC lpDesc, DWORD dwFlags)
1744 {
1745     WINE_WAVEOUT*               wwo;
1746     snd_pcm_hw_params_t *       hw_params;
1747     snd_pcm_sw_params_t *       sw_params;
1748     snd_pcm_access_t            access;
1749     snd_pcm_format_t            format = -1;
1750     unsigned int                rate;
1751     unsigned int                buffer_time = 500000;
1752     unsigned int                period_time = 10000;
1753     snd_pcm_uframes_t           buffer_size;
1754     snd_pcm_uframes_t           period_size;
1755     int                         flags;
1756     snd_pcm_t *                 pcm;
1757     int                         err=0;
1758     int                         dir=0;
1759
1760     snd_pcm_hw_params_alloca(&hw_params);
1761     snd_pcm_sw_params_alloca(&sw_params);
1762
1763     TRACE("(%u, %p, %08lX);\n", wDevID, lpDesc, dwFlags);
1764     if (lpDesc == NULL) {
1765         WARN("Invalid Parameter !\n");
1766         return MMSYSERR_INVALPARAM;
1767     }
1768     if (wDevID >= MAX_WAVEOUTDRV) {
1769         TRACE("MAX_WAVOUTDRV reached !\n");
1770         return MMSYSERR_BADDEVICEID;
1771     }
1772
1773     /* only PCM format is supported so far... */
1774     if (!supportedFormat(lpDesc->lpFormat)) {
1775         WARN("Bad format: tag=%04X nChannels=%d nSamplesPerSec=%ld !\n",
1776              lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
1777              lpDesc->lpFormat->nSamplesPerSec);
1778         return WAVERR_BADFORMAT;
1779     }
1780
1781     if (dwFlags & WAVE_FORMAT_QUERY) {
1782         TRACE("Query format: tag=%04X nChannels=%d nSamplesPerSec=%ld !\n",
1783              lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
1784              lpDesc->lpFormat->nSamplesPerSec);
1785         return MMSYSERR_NOERROR;
1786     }
1787
1788     wwo = &WOutDev[wDevID];
1789
1790     if ((dwFlags & WAVE_DIRECTSOUND) && !(wwo->caps.dwSupport & WAVECAPS_DIRECTSOUND))
1791         /* not supported, ignore it */
1792         dwFlags &= ~WAVE_DIRECTSOUND;
1793
1794     wwo->handle = 0;
1795     flags = SND_PCM_NONBLOCK;
1796 #if 0
1797     if ( dwFlags & WAVE_DIRECTSOUND )
1798         flags |= SND_PCM_ASYNC;
1799 #endif
1800
1801     if ( (err = snd_pcm_open(&pcm, wwo->device, SND_PCM_STREAM_PLAYBACK, flags)) < 0)
1802     {
1803         ERR("Error open: %s\n", snd_strerror(err));
1804         return MMSYSERR_NOTENABLED;
1805     }
1806
1807     wwo->wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
1808
1809     memcpy(&wwo->waveDesc, lpDesc, sizeof(WAVEOPENDESC));
1810     copy_format(lpDesc->lpFormat, &wwo->format);
1811
1812     TRACE("Requested this format: %ldx%dx%d %s\n",
1813           wwo->format.Format.nSamplesPerSec,
1814           wwo->format.Format.wBitsPerSample,
1815           wwo->format.Format.nChannels,
1816           getFormat(wwo->format.Format.wFormatTag));
1817
1818     if (wwo->format.Format.wBitsPerSample == 0) {
1819         WARN("Resetting zeroed wBitsPerSample\n");
1820         wwo->format.Format.wBitsPerSample = 8 *
1821             (wwo->format.Format.nAvgBytesPerSec /
1822              wwo->format.Format.nSamplesPerSec) /
1823             wwo->format.Format.nChannels;
1824     }
1825
1826     snd_pcm_hw_params_any(pcm, hw_params);
1827
1828 #define EXIT_ON_ERROR(f,e,txt) do \
1829 { \
1830     int err; \
1831     if ( (err = (f) ) < 0) \
1832     { \
1833         ERR(txt ": %s\n", snd_strerror(err)); \
1834         snd_pcm_close(pcm); \
1835         return e; \
1836     } \
1837 } while(0)
1838
1839     access = SND_PCM_ACCESS_MMAP_INTERLEAVED;
1840     if ( ( err = snd_pcm_hw_params_set_access(pcm, hw_params, access ) ) < 0) {
1841         WARN("mmap not available. switching to standard write.\n");
1842         access = SND_PCM_ACCESS_RW_INTERLEAVED;
1843         EXIT_ON_ERROR( snd_pcm_hw_params_set_access(pcm, hw_params, access ), MMSYSERR_INVALPARAM, "unable to set access for playback");
1844         wwo->write = snd_pcm_writei;
1845     }
1846     else
1847         wwo->write = snd_pcm_mmap_writei;
1848
1849     if ((err = snd_pcm_hw_params_set_channels(pcm, hw_params, wwo->format.Format.nChannels)) < 0) {
1850         WARN("unable to set required channels: %d\n", wwo->format.Format.nChannels);
1851         if (dwFlags & WAVE_DIRECTSOUND) {
1852             if (wwo->format.Format.nChannels > 2)
1853                 wwo->format.Format.nChannels = 2;
1854             else if (wwo->format.Format.nChannels == 2)
1855                 wwo->format.Format.nChannels = 1;
1856             else if (wwo->format.Format.nChannels == 1)
1857                 wwo->format.Format.nChannels = 2;
1858             /* recalculate block align and bytes per second */
1859             wwo->format.Format.nBlockAlign = (wwo->format.Format.wBitsPerSample * wwo->format.Format.nChannels) / 8;
1860             wwo->format.Format.nAvgBytesPerSec = wwo->format.Format.nSamplesPerSec * wwo->format.Format.nBlockAlign;
1861             WARN("changed number of channels from %d to %d\n", lpDesc->lpFormat->nChannels, wwo->format.Format.nChannels);
1862         }
1863         EXIT_ON_ERROR( snd_pcm_hw_params_set_channels(pcm, hw_params, wwo->format.Format.nChannels ), MMSYSERR_INVALPARAM, "unable to set required channels" );
1864     }
1865
1866     if ((wwo->format.Format.wFormatTag == WAVE_FORMAT_PCM) ||
1867         ((wwo->format.Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE) &&
1868         IsEqualGUID(&wwo->format.SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))) {
1869         format = (wwo->format.Format.wBitsPerSample == 8) ? SND_PCM_FORMAT_U8 :
1870                  (wwo->format.Format.wBitsPerSample == 16) ? SND_PCM_FORMAT_S16_LE :
1871                  (wwo->format.Format.wBitsPerSample == 24) ? SND_PCM_FORMAT_S24_LE :
1872                  (wwo->format.Format.wBitsPerSample == 32) ? SND_PCM_FORMAT_S32_LE : -1;
1873     } else if ((wwo->format.Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE) &&
1874         IsEqualGUID(&wwo->format.SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)){
1875         format = (wwo->format.Format.wBitsPerSample == 32) ? SND_PCM_FORMAT_FLOAT_LE : -1;
1876     } else if (wwo->format.Format.wFormatTag == WAVE_FORMAT_MULAW) {
1877         FIXME("unimplemented format: WAVE_FORMAT_MULAW\n");
1878         snd_pcm_close(pcm);
1879         return WAVERR_BADFORMAT;
1880     } else if (wwo->format.Format.wFormatTag == WAVE_FORMAT_ALAW) {
1881         FIXME("unimplemented format: WAVE_FORMAT_ALAW\n");
1882         snd_pcm_close(pcm);
1883         return WAVERR_BADFORMAT;
1884     } else if (wwo->format.Format.wFormatTag == WAVE_FORMAT_ADPCM) {
1885         FIXME("unimplemented format: WAVE_FORMAT_ADPCM\n");
1886         snd_pcm_close(pcm);
1887         return WAVERR_BADFORMAT;
1888     } else {
1889         ERR("invalid format: %0x04x\n", wwo->format.Format.wFormatTag);
1890         snd_pcm_close(pcm);
1891         return WAVERR_BADFORMAT;
1892     }
1893
1894     if ((err = snd_pcm_hw_params_set_format(pcm, hw_params, format)) < 0) {
1895         WARN("unable to set required format: %s\n", snd_pcm_format_name(format));
1896         if (dwFlags & WAVE_DIRECTSOUND) {
1897             if ((wwo->format.Format.wFormatTag == WAVE_FORMAT_PCM) ||
1898                ((wwo->format.Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE) &&
1899                IsEqualGUID(&wwo->format.SubFormat, & KSDATAFORMAT_SUBTYPE_PCM))) {
1900                 if (wwo->format.Format.wBitsPerSample != 16) {
1901                     wwo->format.Format.wBitsPerSample = 16;
1902                     format = SND_PCM_FORMAT_S16_LE;
1903                 } else {
1904                     wwo->format.Format.wBitsPerSample = 8;
1905                     format = SND_PCM_FORMAT_U8;
1906                 }
1907                 /* recalculate block align and bytes per second */
1908                 wwo->format.Format.nBlockAlign = (wwo->format.Format.wBitsPerSample * wwo->format.Format.nChannels) / 8;
1909                 wwo->format.Format.nAvgBytesPerSec = wwo->format.Format.nSamplesPerSec * wwo->format.Format.nBlockAlign;
1910                 WARN("changed bits per sample from %d to %d\n", lpDesc->lpFormat->wBitsPerSample, wwo->format.Format.wBitsPerSample);
1911             }
1912         }
1913         EXIT_ON_ERROR( snd_pcm_hw_params_set_format(pcm, hw_params, format), MMSYSERR_INVALPARAM, "unable to set required format" );
1914     }
1915
1916     rate = wwo->format.Format.nSamplesPerSec;
1917     dir=0;
1918     err = snd_pcm_hw_params_set_rate_near(pcm, hw_params, &rate, &dir);
1919     if (err < 0) {
1920         ERR("Rate %ld Hz not available for playback: %s\n", wwo->format.Format.nSamplesPerSec, snd_strerror(rate));
1921         snd_pcm_close(pcm);
1922         return WAVERR_BADFORMAT;
1923     }
1924     if (rate != wwo->format.Format.nSamplesPerSec) {
1925         if (dwFlags & WAVE_DIRECTSOUND) {
1926             WARN("changed sample rate from %ld Hz to %d Hz\n", wwo->format.Format.nSamplesPerSec, rate);
1927             wwo->format.Format.nSamplesPerSec = rate;
1928             /* recalculate bytes per second */
1929             wwo->format.Format.nAvgBytesPerSec = wwo->format.Format.nSamplesPerSec * wwo->format.Format.nBlockAlign;
1930         } else {
1931             ERR("Rate doesn't match (requested %ld Hz, got %d Hz)\n", wwo->format.Format.nSamplesPerSec, rate);
1932             snd_pcm_close(pcm);
1933             return WAVERR_BADFORMAT;
1934         }
1935     }
1936
1937     /* give the new format back to direct sound */
1938     if (dwFlags & WAVE_DIRECTSOUND) {
1939         lpDesc->lpFormat->wFormatTag = wwo->format.Format.wFormatTag;
1940         lpDesc->lpFormat->nChannels = wwo->format.Format.nChannels;
1941         lpDesc->lpFormat->nSamplesPerSec = wwo->format.Format.nSamplesPerSec;
1942         lpDesc->lpFormat->wBitsPerSample = wwo->format.Format.wBitsPerSample;
1943         lpDesc->lpFormat->nBlockAlign = wwo->format.Format.nBlockAlign;
1944         lpDesc->lpFormat->nAvgBytesPerSec = wwo->format.Format.nAvgBytesPerSec;
1945     }
1946
1947     TRACE("Got this format: %ldx%dx%d %s\n",
1948           wwo->format.Format.nSamplesPerSec,
1949           wwo->format.Format.wBitsPerSample,
1950           wwo->format.Format.nChannels,
1951           getFormat(wwo->format.Format.wFormatTag));
1952
1953     dir=0;
1954     EXIT_ON_ERROR( snd_pcm_hw_params_set_buffer_time_near(pcm, hw_params, &buffer_time, &dir), MMSYSERR_INVALPARAM, "unable to set buffer time");
1955     dir=0;
1956     EXIT_ON_ERROR( snd_pcm_hw_params_set_period_time_near(pcm, hw_params, &period_time, &dir), MMSYSERR_INVALPARAM, "unable to set period time");
1957
1958     EXIT_ON_ERROR( snd_pcm_hw_params(pcm, hw_params), MMSYSERR_INVALPARAM, "unable to set hw params for playback");
1959
1960     err = snd_pcm_hw_params_get_period_size(hw_params, &period_size, &dir);
1961     err = snd_pcm_hw_params_get_buffer_size(hw_params, &buffer_size);
1962
1963     snd_pcm_sw_params_current(pcm, sw_params);
1964     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");
1965     EXIT_ON_ERROR( snd_pcm_sw_params_set_silence_size(pcm, sw_params, 0), MMSYSERR_ERROR, "unable to set silence size");
1966     EXIT_ON_ERROR( snd_pcm_sw_params_set_avail_min(pcm, sw_params, period_size), MMSYSERR_ERROR, "unable to set avail min");
1967     EXIT_ON_ERROR( snd_pcm_sw_params_set_xfer_align(pcm, sw_params, 1), MMSYSERR_ERROR, "unable to set xfer align");
1968     EXIT_ON_ERROR( snd_pcm_sw_params_set_silence_threshold(pcm, sw_params, 0), MMSYSERR_ERROR, "unable to set silence threshold");
1969     EXIT_ON_ERROR( snd_pcm_sw_params(pcm, sw_params), MMSYSERR_ERROR, "unable to set sw params for playback");
1970 #undef EXIT_ON_ERROR
1971
1972     snd_pcm_prepare(pcm);
1973
1974     if (TRACE_ON(wave))
1975         ALSA_TraceParameters(hw_params, sw_params, FALSE);
1976
1977     /* now, we can save all required data for later use... */
1978     if ( wwo->hw_params )
1979         snd_pcm_hw_params_free(wwo->hw_params);
1980     snd_pcm_hw_params_malloc(&(wwo->hw_params));
1981     snd_pcm_hw_params_copy(wwo->hw_params, hw_params);
1982
1983     wwo->dwBufferSize = snd_pcm_frames_to_bytes(pcm, buffer_size);
1984     wwo->lpQueuePtr = wwo->lpPlayPtr = wwo->lpLoopPtr = NULL;
1985     wwo->handle = pcm;
1986     wwo->dwPlayedTotal = wwo->dwWrittenTotal = 0;
1987     wwo->dwPartialOffset = 0;
1988
1989     ALSA_InitRingMessage(&wwo->msgRing);
1990
1991     wwo->count = snd_pcm_poll_descriptors_count (wwo->handle);
1992     if (wwo->count <= 0) {
1993         ERR("Invalid poll descriptors count\n");
1994         return MMSYSERR_ERROR;
1995     }
1996
1997     wwo->ufds = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY, sizeof(struct pollfd) * wwo->count);
1998     if (wwo->ufds == NULL) {
1999         ERR("No enough memory\n");
2000         return MMSYSERR_NOMEM;
2001     }
2002     if ((err = snd_pcm_poll_descriptors(wwo->handle, wwo->ufds, wwo->count)) < 0) {
2003         ERR("Unable to obtain poll descriptors for playback: %s\n", snd_strerror(err));
2004         return MMSYSERR_ERROR;
2005     }
2006
2007     if (!(dwFlags & WAVE_DIRECTSOUND)) {
2008         wwo->hStartUpEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
2009         wwo->hThread = CreateThread(NULL, 0, wodPlayer, (LPVOID)(DWORD)wDevID, 0, &(wwo->dwThreadID));
2010         WaitForSingleObject(wwo->hStartUpEvent, INFINITE);
2011         CloseHandle(wwo->hStartUpEvent);
2012     } else {
2013         wwo->hThread = INVALID_HANDLE_VALUE;
2014         wwo->dwThreadID = 0;
2015     }
2016     wwo->hStartUpEvent = INVALID_HANDLE_VALUE;
2017
2018     TRACE("handle=%08lx \n", (DWORD)wwo->handle);
2019 /*    if (wwo->dwFragmentSize % wwo->format.Format.nBlockAlign)
2020         ERR("Fragment doesn't contain an integral number of data blocks\n");
2021 */
2022     TRACE("wBitsPerSample=%u, nAvgBytesPerSec=%lu, nSamplesPerSec=%lu, nChannels=%u nBlockAlign=%u!\n",
2023           wwo->format.Format.wBitsPerSample, wwo->format.Format.nAvgBytesPerSec,
2024           wwo->format.Format.nSamplesPerSec, wwo->format.Format.nChannels,
2025           wwo->format.Format.nBlockAlign);
2026
2027     return wodNotifyClient(wwo, WOM_OPEN, 0L, 0L);
2028 }
2029
2030
2031 /**************************************************************************
2032  *                              wodClose                        [internal]
2033  */
2034 static DWORD wodClose(WORD wDevID)
2035 {
2036     DWORD               ret = MMSYSERR_NOERROR;
2037     WINE_WAVEOUT*       wwo;
2038
2039     TRACE("(%u);\n", wDevID);
2040
2041     if (wDevID >= MAX_WAVEOUTDRV || WOutDev[wDevID].handle == NULL) {
2042         WARN("bad device ID !\n");
2043         return MMSYSERR_BADDEVICEID;
2044     }
2045
2046     wwo = &WOutDev[wDevID];
2047     if (wwo->lpQueuePtr) {
2048         WARN("buffers still playing !\n");
2049         ret = WAVERR_STILLPLAYING;
2050     } else {
2051         if (wwo->hThread != INVALID_HANDLE_VALUE) {
2052             ALSA_AddRingMessage(&wwo->msgRing, WINE_WM_CLOSING, 0, TRUE);
2053         }
2054         ALSA_DestroyRingMessage(&wwo->msgRing);
2055
2056         snd_pcm_hw_params_free(wwo->hw_params);
2057         wwo->hw_params = NULL;
2058
2059         snd_pcm_close(wwo->handle);
2060         wwo->handle = NULL;
2061
2062         ret = wodNotifyClient(wwo, WOM_CLOSE, 0L, 0L);
2063     }
2064
2065     HeapFree(GetProcessHeap(), 0, wwo->ufds);
2066     return ret;
2067 }
2068
2069
2070 /**************************************************************************
2071  *                              wodWrite                        [internal]
2072  *
2073  */
2074 static DWORD wodWrite(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
2075 {
2076     TRACE("(%u, %p, %08lX);\n", wDevID, lpWaveHdr, dwSize);
2077
2078     /* first, do the sanity checks... */
2079     if (wDevID >= MAX_WAVEOUTDRV || WOutDev[wDevID].handle == NULL) {
2080         WARN("bad dev ID !\n");
2081         return MMSYSERR_BADDEVICEID;
2082     }
2083
2084     if (lpWaveHdr->lpData == NULL || !(lpWaveHdr->dwFlags & WHDR_PREPARED))
2085         return WAVERR_UNPREPARED;
2086
2087     if (lpWaveHdr->dwFlags & WHDR_INQUEUE)
2088         return WAVERR_STILLPLAYING;
2089
2090     lpWaveHdr->dwFlags &= ~WHDR_DONE;
2091     lpWaveHdr->dwFlags |= WHDR_INQUEUE;
2092     lpWaveHdr->lpNext = 0;
2093
2094     ALSA_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_HEADER, (DWORD)lpWaveHdr, FALSE);
2095
2096     return MMSYSERR_NOERROR;
2097 }
2098
2099 /**************************************************************************
2100  *                      wodPause                                [internal]
2101  */
2102 static DWORD wodPause(WORD wDevID)
2103 {
2104     TRACE("(%u);!\n", wDevID);
2105
2106     if (wDevID >= MAX_WAVEOUTDRV || WOutDev[wDevID].handle == NULL) {
2107         WARN("bad device ID !\n");
2108         return MMSYSERR_BADDEVICEID;
2109     }
2110
2111     ALSA_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_PAUSING, 0, TRUE);
2112
2113     return MMSYSERR_NOERROR;
2114 }
2115
2116 /**************************************************************************
2117  *                      wodRestart                              [internal]
2118  */
2119 static DWORD wodRestart(WORD wDevID)
2120 {
2121     TRACE("(%u);\n", wDevID);
2122
2123     if (wDevID >= MAX_WAVEOUTDRV || WOutDev[wDevID].handle == NULL) {
2124         WARN("bad device ID !\n");
2125         return MMSYSERR_BADDEVICEID;
2126     }
2127
2128     if (WOutDev[wDevID].state == WINE_WS_PAUSED) {
2129         ALSA_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_RESTARTING, 0, TRUE);
2130     }
2131
2132     /* FIXME: is NotifyClient with WOM_DONE right ? (Comet Busters 1.3.3 needs this notification) */
2133     /* FIXME: Myst crashes with this ... hmm -MM
2134        return wodNotifyClient(wwo, WOM_DONE, 0L, 0L);
2135     */
2136
2137     return MMSYSERR_NOERROR;
2138 }
2139
2140 /**************************************************************************
2141  *                      wodReset                                [internal]
2142  */
2143 static DWORD wodReset(WORD wDevID)
2144 {
2145     TRACE("(%u);\n", wDevID);
2146
2147     if (wDevID >= MAX_WAVEOUTDRV || WOutDev[wDevID].handle == NULL) {
2148         WARN("bad device ID !\n");
2149         return MMSYSERR_BADDEVICEID;
2150     }
2151
2152     ALSA_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_RESETTING, 0, TRUE);
2153
2154     return MMSYSERR_NOERROR;
2155 }
2156
2157 /**************************************************************************
2158  *                              wodGetPosition                  [internal]
2159  */
2160 static DWORD wodGetPosition(WORD wDevID, LPMMTIME lpTime, DWORD uSize)
2161 {
2162     WINE_WAVEOUT*       wwo;
2163
2164     TRACE("(%u, %p, %lu);\n", wDevID, lpTime, uSize);
2165
2166     if (wDevID >= MAX_WAVEOUTDRV || WOutDev[wDevID].handle == NULL) {
2167         WARN("bad device ID !\n");
2168         return MMSYSERR_BADDEVICEID;
2169     }
2170
2171     if (lpTime == NULL) return MMSYSERR_INVALPARAM;
2172
2173     wwo = &WOutDev[wDevID];
2174     ALSA_AddRingMessage(&wwo->msgRing, WINE_WM_UPDATE, 0, TRUE);
2175
2176     return bytes_to_mmtime(lpTime, wwo->dwPlayedTotal, &wwo->format);
2177 }
2178
2179 /**************************************************************************
2180  *                              wodBreakLoop                    [internal]
2181  */
2182 static DWORD wodBreakLoop(WORD wDevID)
2183 {
2184     TRACE("(%u);\n", wDevID);
2185
2186     if (wDevID >= MAX_WAVEOUTDRV || WOutDev[wDevID].handle == NULL) {
2187         WARN("bad device ID !\n");
2188         return MMSYSERR_BADDEVICEID;
2189     }
2190     ALSA_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_BREAKLOOP, 0, TRUE);
2191     return MMSYSERR_NOERROR;
2192 }
2193
2194 /**************************************************************************
2195  *                              wodGetVolume                    [internal]
2196  */
2197 static DWORD wodGetVolume(WORD wDevID, LPDWORD lpdwVol)
2198 {
2199     WORD               wleft, wright;
2200     WINE_WAVEOUT*      wwo;
2201     int                min, max;
2202     int                left, right;
2203     DWORD              rc;
2204
2205     TRACE("(%u, %p);\n", wDevID, lpdwVol);
2206     if (wDevID >= MAX_WAVEOUTDRV || WOutDev[wDevID].handle == NULL) {
2207         WARN("bad device ID !\n");
2208         return MMSYSERR_BADDEVICEID;
2209     }
2210
2211     if (lpdwVol == NULL)
2212         return MMSYSERR_NOTENABLED;
2213
2214     wwo = &WOutDev[wDevID];
2215
2216     if (lpdwVol == NULL)
2217         return MMSYSERR_NOTENABLED;
2218
2219     rc = ALSA_CheckSetVolume(wwo->hctl, &left, &right, &min, &max, NULL, NULL, NULL);
2220     if (rc == MMSYSERR_NOERROR)
2221     {
2222 #define VOLUME_ALSA_TO_WIN(x) (  ( (((x)-min) * 65535) + (max-min)/2 ) /(max-min))
2223         wleft = VOLUME_ALSA_TO_WIN(left);
2224         wright = VOLUME_ALSA_TO_WIN(right);
2225 #undef VOLUME_ALSA_TO_WIN
2226         TRACE("left=%d,right=%d,converted to windows left %d, right %d\n", left, right, wleft, wright);
2227         *lpdwVol = MAKELONG( wleft, wright );
2228     }
2229     else
2230         TRACE("CheckSetVolume failed; rc %ld\n", rc);
2231
2232     return rc;
2233 }
2234
2235 /**************************************************************************
2236  *                              wodSetVolume                    [internal]
2237  */
2238 static DWORD wodSetVolume(WORD wDevID, DWORD dwParam)
2239 {
2240     WORD               wleft, wright;
2241     WINE_WAVEOUT*      wwo;
2242     int                min, max;
2243     int                left, right;
2244     DWORD              rc;
2245
2246     TRACE("(%u, %08lX);\n", wDevID, dwParam);
2247     if (wDevID >= MAX_WAVEOUTDRV || WOutDev[wDevID].handle == NULL) {
2248         WARN("bad device ID !\n");
2249         return MMSYSERR_BADDEVICEID;
2250     }
2251     wwo = &WOutDev[wDevID];
2252
2253     rc = ALSA_CheckSetVolume(wwo->hctl, NULL, NULL, &min, &max, NULL, NULL, NULL);
2254     if (rc == MMSYSERR_NOERROR)
2255     {
2256         wleft  = LOWORD(dwParam);
2257         wright = HIWORD(dwParam);
2258 #define VOLUME_WIN_TO_ALSA(x) ( (  ( ((x) * (max-min)) + 32767) / 65535) + min )
2259         left = VOLUME_WIN_TO_ALSA(wleft);
2260         right = VOLUME_WIN_TO_ALSA(wright);
2261 #undef VOLUME_WIN_TO_ALSA
2262         rc = ALSA_CheckSetVolume(wwo->hctl, NULL, NULL, NULL, NULL, NULL, &left, &right);
2263         if (rc == MMSYSERR_NOERROR)
2264             TRACE("set volume:  wleft=%d, wright=%d, converted to alsa left %d, right %d\n", wleft, wright, left, right);
2265         else
2266             TRACE("SetVolume failed; rc %ld\n", rc);
2267     }
2268
2269     return rc;
2270 }
2271
2272 /**************************************************************************
2273  *                              wodGetNumDevs                   [internal]
2274  */
2275 static  DWORD   wodGetNumDevs(void)
2276 {
2277     return ALSA_WodNumDevs;
2278 }
2279
2280 /**************************************************************************
2281  *                              wodDevInterfaceSize             [internal]
2282  */
2283 static DWORD wodDevInterfaceSize(UINT wDevID, LPDWORD dwParam1)
2284 {
2285     TRACE("(%u, %p)\n", wDevID, dwParam1);
2286
2287     *dwParam1 = MultiByteToWideChar(CP_ACP, 0, WOutDev[wDevID].interface_name, -1,
2288                                     NULL, 0 ) * sizeof(WCHAR);
2289     return MMSYSERR_NOERROR;
2290 }
2291
2292 /**************************************************************************
2293  *                              wodDevInterface                 [internal]
2294  */
2295 static DWORD wodDevInterface(UINT wDevID, PWCHAR dwParam1, DWORD dwParam2)
2296 {
2297     if (dwParam2 >= MultiByteToWideChar(CP_ACP, 0, WOutDev[wDevID].interface_name, -1,
2298                                         NULL, 0 ) * sizeof(WCHAR))
2299     {
2300         MultiByteToWideChar(CP_ACP, 0, WOutDev[wDevID].interface_name, -1,
2301                             dwParam1, dwParam2 / sizeof(WCHAR));
2302         return MMSYSERR_NOERROR;
2303     }
2304     return MMSYSERR_INVALPARAM;
2305 }
2306
2307 /**************************************************************************
2308  *                              wodMessage (WINEALSA.@)
2309  */
2310 DWORD WINAPI ALSA_wodMessage(UINT wDevID, UINT wMsg, DWORD dwUser,
2311                              DWORD dwParam1, DWORD dwParam2)
2312 {
2313     TRACE("(%u, %s, %08lX, %08lX, %08lX);\n",
2314           wDevID, getMessage(wMsg), dwUser, dwParam1, dwParam2);
2315
2316     switch (wMsg) {
2317     case DRVM_INIT:
2318     case DRVM_EXIT:
2319     case DRVM_ENABLE:
2320     case DRVM_DISABLE:
2321         /* FIXME: Pretend this is supported */
2322         return 0;
2323     case WODM_OPEN:             return wodOpen          (wDevID, (LPWAVEOPENDESC)dwParam1,      dwParam2);
2324     case WODM_CLOSE:            return wodClose         (wDevID);
2325     case WODM_GETDEVCAPS:       return wodGetDevCaps    (wDevID, (LPWAVEOUTCAPSW)dwParam1,      dwParam2);
2326     case WODM_GETNUMDEVS:       return wodGetNumDevs    ();
2327     case WODM_GETPITCH:         return MMSYSERR_NOTSUPPORTED;
2328     case WODM_SETPITCH:         return MMSYSERR_NOTSUPPORTED;
2329     case WODM_GETPLAYBACKRATE:  return MMSYSERR_NOTSUPPORTED;
2330     case WODM_SETPLAYBACKRATE:  return MMSYSERR_NOTSUPPORTED;
2331     case WODM_WRITE:            return wodWrite         (wDevID, (LPWAVEHDR)dwParam1,           dwParam2);
2332     case WODM_PAUSE:            return wodPause         (wDevID);
2333     case WODM_GETPOS:           return wodGetPosition   (wDevID, (LPMMTIME)dwParam1,            dwParam2);
2334     case WODM_BREAKLOOP:        return wodBreakLoop     (wDevID);
2335     case WODM_PREPARE:          return MMSYSERR_NOTSUPPORTED;
2336     case WODM_UNPREPARE:        return MMSYSERR_NOTSUPPORTED;
2337     case WODM_GETVOLUME:        return wodGetVolume     (wDevID, (LPDWORD)dwParam1);
2338     case WODM_SETVOLUME:        return wodSetVolume     (wDevID, dwParam1);
2339     case WODM_RESTART:          return wodRestart       (wDevID);
2340     case WODM_RESET:            return wodReset         (wDevID);
2341     case DRV_QUERYDEVICEINTERFACESIZE: return wodDevInterfaceSize       (wDevID, (LPDWORD)dwParam1);
2342     case DRV_QUERYDEVICEINTERFACE:     return wodDevInterface           (wDevID, (PWCHAR)dwParam1, dwParam2);
2343     case DRV_QUERYDSOUNDIFACE:  return wodDsCreate      (wDevID, (PIDSDRIVER*)dwParam1);
2344     case DRV_QUERYDSOUNDDESC:   return wodDsDesc        (wDevID, (PDSDRIVERDESC)dwParam1);
2345
2346     default:
2347         FIXME("unknown message %d!\n", wMsg);
2348     }
2349     return MMSYSERR_NOTSUPPORTED;
2350 }
2351
2352 /*======================================================================*
2353  *                  Low level DSOUND implementation                     *
2354  *======================================================================*/
2355
2356 typedef struct IDsDriverImpl IDsDriverImpl;
2357 typedef struct IDsDriverBufferImpl IDsDriverBufferImpl;
2358
2359 struct IDsDriverImpl
2360 {
2361     /* IUnknown fields */
2362     IDsDriverVtbl      *lpVtbl;
2363     DWORD               ref;
2364     /* IDsDriverImpl fields */
2365     UINT                wDevID;
2366     IDsDriverBufferImpl*primary;
2367 };
2368
2369 struct IDsDriverBufferImpl
2370 {
2371     /* IUnknown fields */
2372     IDsDriverBufferVtbl      *lpVtbl;
2373     DWORD                     ref;
2374     /* IDsDriverBufferImpl fields */
2375     IDsDriverImpl*            drv;
2376
2377     CRITICAL_SECTION          mmap_crst;
2378     LPVOID                    mmap_buffer;
2379     DWORD                     mmap_buflen_bytes;
2380     snd_pcm_uframes_t         mmap_buflen_frames;
2381     snd_pcm_channel_area_t *  mmap_areas;
2382     snd_async_handler_t *     mmap_async_handler;
2383 };
2384
2385 static void DSDB_CheckXRUN(IDsDriverBufferImpl* pdbi)
2386 {
2387     WINE_WAVEOUT *     wwo = &(WOutDev[pdbi->drv->wDevID]);
2388     snd_pcm_state_t    state = snd_pcm_state(wwo->handle);
2389
2390     if ( state == SND_PCM_STATE_XRUN )
2391     {
2392         int            err = snd_pcm_prepare(wwo->handle);
2393         TRACE("xrun occurred\n");
2394         if ( err < 0 )
2395             ERR("recovery from xrun failed, prepare failed: %s\n", snd_strerror(err));
2396     }
2397     else if ( state == SND_PCM_STATE_SUSPENDED )
2398     {
2399         int            err = snd_pcm_resume(wwo->handle);
2400         TRACE("recovery from suspension occurred\n");
2401         if (err < 0 && err != -EAGAIN){
2402             err = snd_pcm_prepare(wwo->handle);
2403             if (err < 0)
2404                 ERR("recovery from suspend failed, prepare failed: %s\n", snd_strerror(err));
2405         }
2406     }
2407 }
2408
2409 static void DSDB_MMAPCopy(IDsDriverBufferImpl* pdbi)
2410 {
2411     WINE_WAVEOUT *     wwo = &(WOutDev[pdbi->drv->wDevID]);
2412     unsigned int       channels;
2413     snd_pcm_format_t   format;
2414     snd_pcm_uframes_t  period_size;
2415     snd_pcm_sframes_t  avail;
2416     int err;
2417     int dir=0;
2418
2419     if ( !pdbi->mmap_buffer || !wwo->hw_params || !wwo->handle)
2420         return;
2421
2422     err = snd_pcm_hw_params_get_channels(wwo->hw_params, &channels);
2423     err = snd_pcm_hw_params_get_format(wwo->hw_params, &format);
2424     dir=0;
2425     err = snd_pcm_hw_params_get_period_size(wwo->hw_params, &period_size, &dir);
2426     avail = snd_pcm_avail_update(wwo->handle);
2427
2428     DSDB_CheckXRUN(pdbi);
2429
2430     TRACE("avail=%d format=%s channels=%d\n", (int)avail, snd_pcm_format_name(format), channels );
2431
2432     while (avail >= period_size)
2433     {
2434         const snd_pcm_channel_area_t *areas;
2435         snd_pcm_uframes_t     ofs;
2436         snd_pcm_uframes_t     frames;
2437         int                   err;
2438
2439         frames = avail / period_size * period_size; /* round down to a multiple of period_size */
2440
2441         EnterCriticalSection(&pdbi->mmap_crst);
2442
2443         snd_pcm_mmap_begin(wwo->handle, &areas, &ofs, &frames);
2444         snd_pcm_areas_copy(areas, ofs, pdbi->mmap_areas, ofs, channels, frames, format);
2445         err = snd_pcm_mmap_commit(wwo->handle, ofs, frames);
2446
2447         LeaveCriticalSection(&pdbi->mmap_crst);
2448
2449         if ( err != (snd_pcm_sframes_t) frames)
2450             ERR("mmap partially failed.\n");
2451
2452         avail = snd_pcm_avail_update(wwo->handle);
2453     }
2454  }
2455
2456 static void DSDB_PCMCallback(snd_async_handler_t *ahandler)
2457 {
2458     /* snd_pcm_t *               handle = snd_async_handler_get_pcm(ahandler); */
2459     IDsDriverBufferImpl*      pdbi = snd_async_handler_get_callback_private(ahandler);
2460     TRACE("callback called\n");
2461     DSDB_MMAPCopy(pdbi);
2462 }
2463
2464 static int DSDB_CreateMMAP(IDsDriverBufferImpl* pdbi)
2465  {
2466     WINE_WAVEOUT *            wwo = &(WOutDev[pdbi->drv->wDevID]);
2467     snd_pcm_format_t          format;
2468     snd_pcm_uframes_t         frames;
2469     unsigned int              channels;
2470     unsigned int              bits_per_sample;
2471     unsigned int              bits_per_frame;
2472     snd_pcm_channel_area_t *  a;
2473     unsigned int              c;
2474     int                       err;
2475
2476     err = snd_pcm_hw_params_get_format(wwo->hw_params, &format);
2477     err = snd_pcm_hw_params_get_buffer_size(wwo->hw_params, &frames);
2478     err = snd_pcm_hw_params_get_channels(wwo->hw_params, &channels);
2479     bits_per_sample = snd_pcm_format_physical_width(format);
2480     bits_per_frame = bits_per_sample * channels;
2481
2482
2483     if (TRACE_ON(wave))
2484         ALSA_TraceParameters(wwo->hw_params, NULL, FALSE);
2485
2486     TRACE("format=%s  frames=%ld  channels=%d  bits_per_sample=%d  bits_per_frame=%d\n",
2487           snd_pcm_format_name(format), frames, channels, bits_per_sample, bits_per_frame);
2488
2489     pdbi->mmap_buflen_frames = frames;
2490     pdbi->mmap_buflen_bytes = snd_pcm_frames_to_bytes( wwo->handle, frames );
2491     pdbi->mmap_buffer = HeapAlloc(GetProcessHeap(),0,pdbi->mmap_buflen_bytes);
2492     if (!pdbi->mmap_buffer)
2493         return DSERR_OUTOFMEMORY;
2494
2495     snd_pcm_format_set_silence(format, pdbi->mmap_buffer, frames );
2496
2497     TRACE("created mmap buffer of %ld frames (%ld bytes) at %p\n",
2498         frames, pdbi->mmap_buflen_bytes, pdbi->mmap_buffer);
2499
2500     pdbi->mmap_areas = HeapAlloc(GetProcessHeap(),0,channels*sizeof(snd_pcm_channel_area_t));
2501     if (!pdbi->mmap_areas)
2502         return DSERR_OUTOFMEMORY;
2503
2504     a = pdbi->mmap_areas;
2505     for (c = 0; c < channels; c++, a++)
2506     {
2507         a->addr = pdbi->mmap_buffer;
2508         a->first = bits_per_sample * c;
2509         a->step = bits_per_frame;
2510         TRACE("Area %d: addr=%p  first=%d  step=%d\n", c, a->addr, a->first, a->step);
2511     }
2512
2513     InitializeCriticalSection(&pdbi->mmap_crst);
2514
2515     err = snd_async_add_pcm_handler(&pdbi->mmap_async_handler, wwo->handle, DSDB_PCMCallback, pdbi);
2516     if ( err < 0 )
2517      {
2518         ERR("add_pcm_handler failed. reason: %s\n", snd_strerror(err));
2519         return DSERR_GENERIC;
2520      }
2521
2522     return DS_OK;
2523  }
2524
2525 static void DSDB_DestroyMMAP(IDsDriverBufferImpl* pdbi)
2526 {
2527     TRACE("mmap buffer %p destroyed\n", pdbi->mmap_buffer);
2528     HeapFree(GetProcessHeap(), 0, pdbi->mmap_areas);
2529     HeapFree(GetProcessHeap(), 0, pdbi->mmap_buffer);
2530     pdbi->mmap_areas = NULL;
2531     pdbi->mmap_buffer = NULL;
2532     DeleteCriticalSection(&pdbi->mmap_crst);
2533 }
2534
2535
2536 static HRESULT WINAPI IDsDriverBufferImpl_QueryInterface(PIDSDRIVERBUFFER iface, REFIID riid, LPVOID *ppobj)
2537 {
2538     /* IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface; */
2539     FIXME("(): stub!\n");
2540     return DSERR_UNSUPPORTED;
2541 }
2542
2543 static ULONG WINAPI IDsDriverBufferImpl_AddRef(PIDSDRIVERBUFFER iface)
2544 {
2545     IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface;
2546     ULONG refCount = InterlockedIncrement(&This->ref);
2547
2548     TRACE("(%p)->(ref before=%lu)\n",This, refCount - 1);
2549
2550     return refCount;
2551 }
2552
2553 static ULONG WINAPI IDsDriverBufferImpl_Release(PIDSDRIVERBUFFER iface)
2554 {
2555     IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface;
2556     ULONG refCount = InterlockedDecrement(&This->ref);
2557
2558     TRACE("(%p)->(ref before=%lu)\n",This, refCount + 1);
2559
2560     if (refCount)
2561         return refCount;
2562     if (This == This->drv->primary)
2563         This->drv->primary = NULL;
2564     DSDB_DestroyMMAP(This);
2565     HeapFree(GetProcessHeap(), 0, This);
2566     return 0;
2567 }
2568
2569 static HRESULT WINAPI IDsDriverBufferImpl_Lock(PIDSDRIVERBUFFER iface,
2570                                                LPVOID*ppvAudio1,LPDWORD pdwLen1,
2571                                                LPVOID*ppvAudio2,LPDWORD pdwLen2,
2572                                                DWORD dwWritePosition,DWORD dwWriteLen,
2573                                                DWORD dwFlags)
2574 {
2575     /* IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface; */
2576     TRACE("(%p)\n",iface);
2577     return DSERR_UNSUPPORTED;
2578 }
2579
2580 static HRESULT WINAPI IDsDriverBufferImpl_Unlock(PIDSDRIVERBUFFER iface,
2581                                                  LPVOID pvAudio1,DWORD dwLen1,
2582                                                  LPVOID pvAudio2,DWORD dwLen2)
2583 {
2584     /* IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface; */
2585     TRACE("(%p)\n",iface);
2586     return DSERR_UNSUPPORTED;
2587 }
2588
2589 static HRESULT WINAPI IDsDriverBufferImpl_SetFormat(PIDSDRIVERBUFFER iface,
2590                                                     LPWAVEFORMATEX pwfx)
2591 {
2592     /* IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface; */
2593     TRACE("(%p,%p)\n",iface,pwfx);
2594     return DSERR_BUFFERLOST;
2595 }
2596
2597 static HRESULT WINAPI IDsDriverBufferImpl_SetFrequency(PIDSDRIVERBUFFER iface, DWORD dwFreq)
2598 {
2599     /* IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface; */
2600     TRACE("(%p,%ld): stub\n",iface,dwFreq);
2601     return DSERR_UNSUPPORTED;
2602 }
2603
2604 static HRESULT WINAPI IDsDriverBufferImpl_SetVolumePan(PIDSDRIVERBUFFER iface, PDSVOLUMEPAN pVolPan)
2605 {
2606     DWORD vol;
2607     IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface;
2608     TRACE("(%p,%p)\n",iface,pVolPan);
2609     vol = pVolPan->dwTotalLeftAmpFactor | (pVolPan->dwTotalRightAmpFactor << 16);
2610
2611     if (wodSetVolume(This->drv->wDevID, vol) != MMSYSERR_NOERROR) {
2612         WARN("wodSetVolume failed\n");
2613         return DSERR_INVALIDPARAM;
2614     }
2615
2616     return DS_OK;
2617 }
2618
2619 static HRESULT WINAPI IDsDriverBufferImpl_SetPosition(PIDSDRIVERBUFFER iface, DWORD dwNewPos)
2620 {
2621     /* IDsDriverImpl *This = (IDsDriverImpl *)iface; */
2622     TRACE("(%p,%ld): stub\n",iface,dwNewPos);
2623     return DSERR_UNSUPPORTED;
2624 }
2625
2626 static HRESULT WINAPI IDsDriverBufferImpl_GetPosition(PIDSDRIVERBUFFER iface,
2627                                                       LPDWORD lpdwPlay, LPDWORD lpdwWrite)
2628 {
2629     IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface;
2630     WINE_WAVEOUT *      wwo = &(WOutDev[This->drv->wDevID]);
2631     snd_pcm_uframes_t   hw_ptr;
2632     snd_pcm_uframes_t   period_size;
2633     int dir;
2634     int err;
2635
2636     if (wwo->hw_params == NULL) return DSERR_GENERIC;
2637
2638     dir=0;
2639     err = snd_pcm_hw_params_get_period_size(wwo->hw_params, &period_size, &dir);
2640
2641     if (wwo->handle == NULL) return DSERR_GENERIC;
2642     /** we need to track down buffer underruns */
2643     DSDB_CheckXRUN(This);
2644
2645     EnterCriticalSection(&This->mmap_crst);
2646     /* FIXME: snd_pcm_mmap_hw_ptr() should not be accessed by a user app. */
2647     /*        It will NOT return what why want anyway. */
2648     hw_ptr = _snd_pcm_mmap_hw_ptr(wwo->handle);
2649     if (lpdwPlay)
2650         *lpdwPlay = snd_pcm_frames_to_bytes(wwo->handle, hw_ptr/ period_size  * period_size) % This->mmap_buflen_bytes;
2651     if (lpdwWrite)
2652         *lpdwWrite = snd_pcm_frames_to_bytes(wwo->handle, (hw_ptr / period_size + 1) * period_size ) % This->mmap_buflen_bytes;
2653     LeaveCriticalSection(&This->mmap_crst);
2654
2655     TRACE("hw_ptr=0x%08x, playpos=%ld, writepos=%ld\n", (unsigned int)hw_ptr, lpdwPlay?*lpdwPlay:-1, lpdwWrite?*lpdwWrite:-1);
2656     return DS_OK;
2657 }
2658
2659 static HRESULT WINAPI IDsDriverBufferImpl_Play(PIDSDRIVERBUFFER iface, DWORD dwRes1, DWORD dwRes2, DWORD dwFlags)
2660 {
2661     IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface;
2662     WINE_WAVEOUT *       wwo = &(WOutDev[This->drv->wDevID]);
2663     snd_pcm_state_t      state;
2664     int                  err;
2665
2666     TRACE("(%p,%lx,%lx,%lx)\n",iface,dwRes1,dwRes2,dwFlags);
2667
2668     if (wwo->handle == NULL) return DSERR_GENERIC;
2669
2670     state = snd_pcm_state(wwo->handle);
2671     if ( state == SND_PCM_STATE_SETUP )
2672     {
2673         err = snd_pcm_prepare(wwo->handle);
2674         state = snd_pcm_state(wwo->handle);
2675     }
2676     if ( state == SND_PCM_STATE_PREPARED )
2677      {
2678         DSDB_MMAPCopy(This);
2679         err = snd_pcm_start(wwo->handle);
2680      }
2681     return DS_OK;
2682 }
2683
2684 static HRESULT WINAPI IDsDriverBufferImpl_Stop(PIDSDRIVERBUFFER iface)
2685 {
2686     IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface;
2687     WINE_WAVEOUT *    wwo = &(WOutDev[This->drv->wDevID]);
2688     int               err;
2689     DWORD             play;
2690     DWORD             write;
2691
2692     TRACE("(%p)\n",iface);
2693
2694     if (wwo->handle == NULL) return DSERR_GENERIC;
2695
2696     /* ring buffer wrap up detection */
2697     IDsDriverBufferImpl_GetPosition(iface, &play, &write);
2698     if ( play > write)
2699     {
2700         TRACE("writepos wrapper up\n");
2701         return DS_OK;
2702     }
2703
2704     if ( ( err = snd_pcm_drop(wwo->handle)) < 0 )
2705     {
2706         ERR("error while stopping pcm: %s\n", snd_strerror(err));
2707         return DSERR_GENERIC;
2708     }
2709     return DS_OK;
2710 }
2711
2712 static IDsDriverBufferVtbl dsdbvt =
2713 {
2714     IDsDriverBufferImpl_QueryInterface,
2715     IDsDriverBufferImpl_AddRef,
2716     IDsDriverBufferImpl_Release,
2717     IDsDriverBufferImpl_Lock,
2718     IDsDriverBufferImpl_Unlock,
2719     IDsDriverBufferImpl_SetFormat,
2720     IDsDriverBufferImpl_SetFrequency,
2721     IDsDriverBufferImpl_SetVolumePan,
2722     IDsDriverBufferImpl_SetPosition,
2723     IDsDriverBufferImpl_GetPosition,
2724     IDsDriverBufferImpl_Play,
2725     IDsDriverBufferImpl_Stop
2726 };
2727
2728 static HRESULT WINAPI IDsDriverImpl_QueryInterface(PIDSDRIVER iface, REFIID riid, LPVOID *ppobj)
2729 {
2730     /* IDsDriverImpl *This = (IDsDriverImpl *)iface; */
2731     FIXME("(%p): stub!\n",iface);
2732     return DSERR_UNSUPPORTED;
2733 }
2734
2735 static ULONG WINAPI IDsDriverImpl_AddRef(PIDSDRIVER iface)
2736 {
2737     IDsDriverImpl *This = (IDsDriverImpl *)iface;
2738     ULONG refCount = InterlockedIncrement(&This->ref);
2739
2740     TRACE("(%p)->(ref before=%lu)\n",This, refCount - 1);
2741
2742     return refCount;
2743 }
2744
2745 static ULONG WINAPI IDsDriverImpl_Release(PIDSDRIVER iface)
2746 {
2747     IDsDriverImpl *This = (IDsDriverImpl *)iface;
2748     ULONG refCount = InterlockedDecrement(&This->ref);
2749
2750     TRACE("(%p)->(ref before=%lu)\n",This, refCount + 1);
2751
2752     if (refCount)
2753         return refCount;
2754     HeapFree(GetProcessHeap(),0,This);
2755     return 0;
2756 }
2757
2758 static HRESULT WINAPI IDsDriverImpl_GetDriverDesc(PIDSDRIVER iface, PDSDRIVERDESC pDesc)
2759 {
2760     IDsDriverImpl *This = (IDsDriverImpl *)iface;
2761     TRACE("(%p,%p)\n",iface,pDesc);
2762     memcpy(pDesc, &(WOutDev[This->wDevID].ds_desc), sizeof(DSDRIVERDESC));
2763     pDesc->dwFlags = DSDDESC_DOMMSYSTEMOPEN | DSDDESC_DOMMSYSTEMSETFORMAT |
2764         DSDDESC_USESYSTEMMEMORY | DSDDESC_DONTNEEDPRIMARYLOCK;
2765     pDesc->dnDevNode            = WOutDev[This->wDevID].waveDesc.dnDevNode;
2766     pDesc->wVxdId               = 0;
2767     pDesc->wReserved            = 0;
2768     pDesc->ulDeviceNum          = This->wDevID;
2769     pDesc->dwHeapType           = DSDHEAP_NOHEAP;
2770     pDesc->pvDirectDrawHeap     = NULL;
2771     pDesc->dwMemStartAddress    = 0;
2772     pDesc->dwMemEndAddress      = 0;
2773     pDesc->dwMemAllocExtra      = 0;
2774     pDesc->pvReserved1          = NULL;
2775     pDesc->pvReserved2          = NULL;
2776     return DS_OK;
2777 }
2778
2779 static HRESULT WINAPI IDsDriverImpl_Open(PIDSDRIVER iface)
2780 {
2781     /* IDsDriverImpl *This = (IDsDriverImpl *)iface; */
2782     TRACE("(%p)\n",iface);
2783     return DS_OK;
2784 }
2785
2786 static HRESULT WINAPI IDsDriverImpl_Close(PIDSDRIVER iface)
2787 {
2788     /* IDsDriverImpl *This = (IDsDriverImpl *)iface; */
2789     TRACE("(%p)\n",iface);
2790     return DS_OK;
2791 }
2792
2793 static HRESULT WINAPI IDsDriverImpl_GetCaps(PIDSDRIVER iface, PDSDRIVERCAPS pCaps)
2794 {
2795     IDsDriverImpl *This = (IDsDriverImpl *)iface;
2796     TRACE("(%p,%p)\n",iface,pCaps);
2797     memcpy(pCaps, &(WOutDev[This->wDevID].ds_caps), sizeof(DSDRIVERCAPS));
2798     return DS_OK;
2799 }
2800
2801 static HRESULT WINAPI IDsDriverImpl_CreateSoundBuffer(PIDSDRIVER iface,
2802                                                       LPWAVEFORMATEX pwfx,
2803                                                       DWORD dwFlags, DWORD dwCardAddress,
2804                                                       LPDWORD pdwcbBufferSize,
2805                                                       LPBYTE *ppbBuffer,
2806                                                       LPVOID *ppvObj)
2807 {
2808     IDsDriverImpl *This = (IDsDriverImpl *)iface;
2809     IDsDriverBufferImpl** ippdsdb = (IDsDriverBufferImpl**)ppvObj;
2810     int err;
2811
2812     TRACE("(%p,%p,%lx,%lx)\n",iface,pwfx,dwFlags,dwCardAddress);
2813     /* we only support primary buffers */
2814     if (!(dwFlags & DSBCAPS_PRIMARYBUFFER))
2815         return DSERR_UNSUPPORTED;
2816     if (This->primary)
2817         return DSERR_ALLOCATED;
2818     if (dwFlags & (DSBCAPS_CTRLFREQUENCY | DSBCAPS_CTRLPAN))
2819         return DSERR_CONTROLUNAVAIL;
2820
2821     *ippdsdb = HeapAlloc(GetProcessHeap(),0,sizeof(IDsDriverBufferImpl));
2822     if (*ippdsdb == NULL)
2823         return DSERR_OUTOFMEMORY;
2824     (*ippdsdb)->lpVtbl  = &dsdbvt;
2825     (*ippdsdb)->ref     = 1;
2826     (*ippdsdb)->drv     = This;
2827
2828     err = DSDB_CreateMMAP((*ippdsdb));
2829     if ( err != DS_OK )
2830      {
2831         HeapFree(GetProcessHeap(), 0, *ippdsdb);
2832         *ippdsdb = NULL;
2833         return err;
2834      }
2835     *ppbBuffer = (*ippdsdb)->mmap_buffer;
2836     *pdwcbBufferSize = (*ippdsdb)->mmap_buflen_bytes;
2837
2838     This->primary = *ippdsdb;
2839
2840     /* buffer is ready to go */
2841     TRACE("buffer created at %p\n", *ippdsdb);
2842     return DS_OK;
2843 }
2844
2845 static HRESULT WINAPI IDsDriverImpl_DuplicateSoundBuffer(PIDSDRIVER iface,
2846                                                          PIDSDRIVERBUFFER pBuffer,
2847                                                          LPVOID *ppvObj)
2848 {
2849     /* IDsDriverImpl *This = (IDsDriverImpl *)iface; */
2850     TRACE("(%p,%p): stub\n",iface,pBuffer);
2851     return DSERR_INVALIDCALL;
2852 }
2853
2854 static IDsDriverVtbl dsdvt =
2855 {
2856     IDsDriverImpl_QueryInterface,
2857     IDsDriverImpl_AddRef,
2858     IDsDriverImpl_Release,
2859     IDsDriverImpl_GetDriverDesc,
2860     IDsDriverImpl_Open,
2861     IDsDriverImpl_Close,
2862     IDsDriverImpl_GetCaps,
2863     IDsDriverImpl_CreateSoundBuffer,
2864     IDsDriverImpl_DuplicateSoundBuffer
2865 };
2866
2867 static DWORD wodDsCreate(UINT wDevID, PIDSDRIVER* drv)
2868 {
2869     IDsDriverImpl** idrv = (IDsDriverImpl**)drv;
2870
2871     TRACE("driver created\n");
2872
2873     /* the HAL isn't much better than the HEL if we can't do mmap() */
2874     if (!(WOutDev[wDevID].caps.dwSupport & WAVECAPS_DIRECTSOUND)) {
2875         ERR("DirectSound flag not set\n");
2876         MESSAGE("This sound card's driver does not support direct access\n");
2877         MESSAGE("The (slower) DirectSound HEL mode will be used instead.\n");
2878         return MMSYSERR_NOTSUPPORTED;
2879     }
2880
2881     *idrv = HeapAlloc(GetProcessHeap(),0,sizeof(IDsDriverImpl));
2882     if (!*idrv)
2883         return MMSYSERR_NOMEM;
2884     (*idrv)->lpVtbl     = &dsdvt;
2885     (*idrv)->ref        = 1;
2886
2887     (*idrv)->wDevID     = wDevID;
2888     (*idrv)->primary    = NULL;
2889     return MMSYSERR_NOERROR;
2890 }
2891
2892 static DWORD wodDsDesc(UINT wDevID, PDSDRIVERDESC desc)
2893 {
2894     memcpy(desc, &(WOutDev[wDevID].ds_desc), sizeof(DSDRIVERDESC));
2895     return MMSYSERR_NOERROR;
2896 }
2897
2898 /*======================================================================*
2899 *                  Low level WAVE IN implementation                     *
2900 *======================================================================*/
2901
2902 /**************************************************************************
2903 *                       widNotifyClient                 [internal]
2904 */
2905 static DWORD widNotifyClient(WINE_WAVEIN* wwi, WORD wMsg, DWORD dwParam1, DWORD dwParam2)
2906 {
2907    TRACE("wMsg = 0x%04x dwParm1 = %04lX dwParam2 = %04lX\n", wMsg, dwParam1, dwParam2);
2908
2909    switch (wMsg) {
2910    case WIM_OPEN:
2911    case WIM_CLOSE:
2912    case WIM_DATA:
2913        if (wwi->wFlags != DCB_NULL &&
2914            !DriverCallback(wwi->waveDesc.dwCallback, wwi->wFlags, (HDRVR)wwi->waveDesc.hWave,
2915                            wMsg, wwi->waveDesc.dwInstance, dwParam1, dwParam2)) {
2916            WARN("can't notify client !\n");
2917            return MMSYSERR_ERROR;
2918        }
2919        break;
2920    default:
2921        FIXME("Unknown callback message %u\n", wMsg);
2922        return MMSYSERR_INVALPARAM;
2923    }
2924    return MMSYSERR_NOERROR;
2925 }
2926
2927 /**************************************************************************
2928  *                      widGetDevCaps                           [internal]
2929  */
2930 static DWORD widGetDevCaps(WORD wDevID, LPWAVEOUTCAPSW lpCaps, DWORD dwSize)
2931 {
2932     TRACE("(%u, %p, %lu);\n", wDevID, lpCaps, dwSize);
2933
2934     if (lpCaps == NULL) return MMSYSERR_NOTENABLED;
2935
2936     if (wDevID >= MAX_WAVEINDRV) {
2937         TRACE("MAX_WAVOUTDRV reached !\n");
2938         return MMSYSERR_BADDEVICEID;
2939     }
2940
2941     memcpy(lpCaps, &WInDev[wDevID].caps, min(dwSize, sizeof(*lpCaps)));
2942     return MMSYSERR_NOERROR;
2943 }
2944
2945 /**************************************************************************
2946  *                              widRecorder_ReadHeaders         [internal]
2947  */
2948 static void widRecorder_ReadHeaders(WINE_WAVEIN * wwi)
2949 {
2950     enum win_wm_message tmp_msg;
2951     DWORD               tmp_param;
2952     HANDLE              tmp_ev;
2953     WAVEHDR*            lpWaveHdr;
2954
2955     while (ALSA_RetrieveRingMessage(&wwi->msgRing, &tmp_msg, &tmp_param, &tmp_ev)) {
2956         if (tmp_msg == WINE_WM_HEADER) {
2957             LPWAVEHDR*  wh;
2958             lpWaveHdr = (LPWAVEHDR)tmp_param;
2959             lpWaveHdr->lpNext = 0;
2960
2961             if (wwi->lpQueuePtr == 0)
2962                 wwi->lpQueuePtr = lpWaveHdr;
2963             else {
2964                 for (wh = &(wwi->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
2965                 *wh = lpWaveHdr;
2966             }
2967         } else {
2968             ERR("should only have headers left\n");
2969         }
2970     }
2971 }
2972
2973 /**************************************************************************
2974  *                              widRecorder                     [internal]
2975  */
2976 static  DWORD   CALLBACK        widRecorder(LPVOID pmt)
2977 {
2978     WORD                uDevID = (DWORD)pmt;
2979     WINE_WAVEIN*        wwi = (WINE_WAVEIN*)&WInDev[uDevID];
2980     WAVEHDR*            lpWaveHdr;
2981     DWORD               dwSleepTime;
2982     DWORD               bytesRead;
2983     LPVOID              buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, wwi->dwPeriodSize);
2984     char               *pOffset = buffer;
2985     enum win_wm_message msg;
2986     DWORD               param;
2987     HANDLE              ev;
2988     DWORD               frames_per_period;
2989
2990     wwi->state = WINE_WS_STOPPED;
2991     wwi->dwTotalRecorded = 0;
2992     wwi->lpQueuePtr = NULL;
2993
2994     SetEvent(wwi->hStartUpEvent);
2995
2996     /* make sleep time to be # of ms to output a period */
2997     dwSleepTime = (1024/*wwi-dwPeriodSize => overrun!*/ * 1000) / wwi->format.Format.nAvgBytesPerSec;
2998     frames_per_period = snd_pcm_bytes_to_frames(wwi->handle, wwi->dwPeriodSize);
2999     TRACE("sleeptime=%ld ms\n", dwSleepTime);
3000
3001     for (;;) {
3002         /* wait for dwSleepTime or an event in thread's queue */
3003         /* FIXME: could improve wait time depending on queue state,
3004          * ie, number of queued fragments
3005          */
3006         if (wwi->lpQueuePtr != NULL && wwi->state == WINE_WS_PLAYING)
3007         {
3008             int periods;
3009             DWORD frames;
3010             DWORD bytes;
3011             DWORD read;
3012
3013             lpWaveHdr = wwi->lpQueuePtr;
3014             /* read all the fragments accumulated so far */
3015             frames = snd_pcm_avail_update(wwi->handle);
3016             bytes = snd_pcm_frames_to_bytes(wwi->handle, frames);
3017             TRACE("frames = %ld  bytes = %ld\n", frames, bytes);
3018             periods = bytes / wwi->dwPeriodSize;
3019             while ((periods > 0) && (wwi->lpQueuePtr))
3020             {
3021                 periods--;
3022                 bytes = wwi->dwPeriodSize;
3023                 TRACE("bytes = %ld\n",bytes);
3024                 if (lpWaveHdr->dwBufferLength - lpWaveHdr->dwBytesRecorded >= wwi->dwPeriodSize)
3025                 {
3026                     /* directly read fragment in wavehdr */
3027                     read = wwi->read(wwi->handle, lpWaveHdr->lpData + lpWaveHdr->dwBytesRecorded, frames_per_period);
3028                     bytesRead = snd_pcm_frames_to_bytes(wwi->handle, read);
3029
3030                     TRACE("bytesRead=%ld (direct)\n", bytesRead);
3031                     if (bytesRead != (DWORD) -1)
3032                     {
3033                         /* update number of bytes recorded in current buffer and by this device */
3034                         lpWaveHdr->dwBytesRecorded += bytesRead;
3035                         wwi->dwTotalRecorded       += bytesRead;
3036
3037                         /* buffer is full. notify client */
3038                         if (lpWaveHdr->dwBytesRecorded == lpWaveHdr->dwBufferLength)
3039                         {
3040                             /* must copy the value of next waveHdr, because we have no idea of what
3041                              * will be done with the content of lpWaveHdr in callback
3042                              */
3043                             LPWAVEHDR   lpNext = lpWaveHdr->lpNext;
3044
3045                             lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
3046                             lpWaveHdr->dwFlags |=  WHDR_DONE;
3047
3048                             wwi->lpQueuePtr = lpNext;
3049                             widNotifyClient(wwi, WIM_DATA, (DWORD)lpWaveHdr, 0);
3050                             lpWaveHdr = lpNext;
3051                         }
3052                     } else {
3053                         TRACE("read(%s, %p, %ld) failed (%s)\n", wwi->device,
3054                             lpWaveHdr->lpData + lpWaveHdr->dwBytesRecorded,
3055                             frames_per_period, strerror(errno));
3056                     }
3057                 }
3058                 else
3059                 {
3060                     /* read the fragment in a local buffer */
3061                     read = wwi->read(wwi->handle, buffer, frames_per_period);
3062                     bytesRead = snd_pcm_frames_to_bytes(wwi->handle, read);
3063                     pOffset = buffer;
3064
3065                     TRACE("bytesRead=%ld (local)\n", bytesRead);
3066
3067                     if (bytesRead == (DWORD) -1) {
3068                         TRACE("read(%s, %p, %ld) failed (%s)\n", wwi->device,
3069                               buffer, frames_per_period, strerror(errno));
3070                         continue;
3071                     }
3072
3073                     /* copy data in client buffers */
3074                     while (bytesRead != (DWORD) -1 && bytesRead > 0)
3075                     {
3076                         DWORD dwToCopy = min (bytesRead, lpWaveHdr->dwBufferLength - lpWaveHdr->dwBytesRecorded);
3077
3078                         memcpy(lpWaveHdr->lpData + lpWaveHdr->dwBytesRecorded,
3079                                pOffset,
3080                                dwToCopy);
3081
3082                         /* update number of bytes recorded in current buffer and by this device */
3083                         lpWaveHdr->dwBytesRecorded += dwToCopy;
3084                         wwi->dwTotalRecorded += dwToCopy;
3085                         bytesRead -= dwToCopy;
3086                         pOffset   += dwToCopy;
3087
3088                         /* client buffer is full. notify client */
3089                         if (lpWaveHdr->dwBytesRecorded == lpWaveHdr->dwBufferLength)
3090                         {
3091                             /* must copy the value of next waveHdr, because we have no idea of what
3092                              * will be done with the content of lpWaveHdr in callback
3093                              */
3094                             LPWAVEHDR   lpNext = lpWaveHdr->lpNext;
3095                             TRACE("lpNext=%p\n", lpNext);
3096
3097                             lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
3098                             lpWaveHdr->dwFlags |=  WHDR_DONE;
3099
3100                             wwi->lpQueuePtr = lpNext;
3101                             widNotifyClient(wwi, WIM_DATA, (DWORD)lpWaveHdr, 0);
3102
3103                             lpWaveHdr = lpNext;
3104                             if (!lpNext && bytesRead) {
3105                                 /* before we give up, check for more header messages */
3106                                 while (ALSA_PeekRingMessage(&wwi->msgRing, &msg, &param, &ev))
3107                                 {
3108                                     if (msg == WINE_WM_HEADER) {
3109                                         LPWAVEHDR hdr;
3110                                         ALSA_RetrieveRingMessage(&wwi->msgRing, &msg, &param, &ev);
3111                                         hdr = ((LPWAVEHDR)param);
3112                                         TRACE("msg = %s, hdr = %p, ev = %p\n", getCmdString(msg), hdr, ev);
3113                                         hdr->lpNext = 0;
3114                                         if (lpWaveHdr == 0) {
3115                                             /* new head of queue */
3116                                             wwi->lpQueuePtr = lpWaveHdr = hdr;
3117                                         } else {
3118                                             /* insert buffer at the end of queue */
3119                                             LPWAVEHDR*  wh;
3120                                             for (wh = &(wwi->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
3121                                             *wh = hdr;
3122                                         }
3123                                     } else
3124                                         break;
3125                                 }
3126
3127                                 if (lpWaveHdr == 0) {
3128                                     /* no more buffer to copy data to, but we did read more.
3129                                      * what hasn't been copied will be dropped
3130                                      */
3131                                     WARN("buffer under run! %lu bytes dropped.\n", bytesRead);
3132                                     wwi->lpQueuePtr = NULL;
3133                                     break;
3134                                 }
3135                             }
3136                         }
3137                     }
3138                 }
3139             }
3140         }
3141
3142         WAIT_OMR(&wwi->msgRing, dwSleepTime);
3143
3144         while (ALSA_RetrieveRingMessage(&wwi->msgRing, &msg, &param, &ev))
3145         {
3146             TRACE("msg=%s param=0x%lx\n", getCmdString(msg), param);
3147             switch (msg) {
3148             case WINE_WM_PAUSING:
3149                 wwi->state = WINE_WS_PAUSED;
3150                 /*FIXME("Device should stop recording\n");*/
3151                 SetEvent(ev);
3152                 break;
3153             case WINE_WM_STARTING:
3154                 wwi->state = WINE_WS_PLAYING;
3155                 snd_pcm_start(wwi->handle);
3156                 SetEvent(ev);
3157                 break;
3158             case WINE_WM_HEADER:
3159                 lpWaveHdr = (LPWAVEHDR)param;
3160                 lpWaveHdr->lpNext = 0;
3161
3162                 /* insert buffer at the end of queue */
3163                 {
3164                     LPWAVEHDR*  wh;
3165                     for (wh = &(wwi->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
3166                     *wh = lpWaveHdr;
3167                 }
3168                 break;
3169             case WINE_WM_STOPPING:
3170                 if (wwi->state != WINE_WS_STOPPED)
3171                 {
3172                     snd_pcm_drain(wwi->handle);
3173
3174                     /* read any headers in queue */
3175                     widRecorder_ReadHeaders(wwi);
3176
3177                     /* return current buffer to app */
3178                     lpWaveHdr = wwi->lpQueuePtr;
3179                     if (lpWaveHdr)
3180                     {
3181                         LPWAVEHDR       lpNext = lpWaveHdr->lpNext;
3182                         TRACE("stop %p %p\n", lpWaveHdr, lpWaveHdr->lpNext);
3183                         lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
3184                         lpWaveHdr->dwFlags |= WHDR_DONE;
3185                         wwi->lpQueuePtr = lpNext;
3186                         widNotifyClient(wwi, WIM_DATA, (DWORD)lpWaveHdr, 0);
3187                     }
3188                 }
3189                 wwi->state = WINE_WS_STOPPED;
3190                 SetEvent(ev);
3191                 break;
3192             case WINE_WM_RESETTING:
3193                 if (wwi->state != WINE_WS_STOPPED)
3194                 {
3195                     snd_pcm_drain(wwi->handle);
3196                 }
3197                 wwi->state = WINE_WS_STOPPED;
3198                 wwi->dwTotalRecorded = 0;
3199
3200                 /* read any headers in queue */
3201                 widRecorder_ReadHeaders(wwi);
3202
3203                 /* return all buffers to the app */
3204                 for (lpWaveHdr = wwi->lpQueuePtr; lpWaveHdr; lpWaveHdr = lpWaveHdr->lpNext) {
3205                     TRACE("reset %p %p\n", lpWaveHdr, lpWaveHdr->lpNext);
3206                     lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
3207                     lpWaveHdr->dwFlags |= WHDR_DONE;
3208                     wwi->lpQueuePtr = lpWaveHdr->lpNext;
3209                     widNotifyClient(wwi, WIM_DATA, (DWORD)lpWaveHdr, 0);
3210                 }
3211
3212                 wwi->lpQueuePtr = NULL;
3213                 SetEvent(ev);
3214                 break;
3215             case WINE_WM_CLOSING:
3216                 wwi->hThread = 0;
3217                 wwi->state = WINE_WS_CLOSED;
3218                 SetEvent(ev);
3219                 HeapFree(GetProcessHeap(), 0, buffer);
3220                 ExitThread(0);
3221                 /* shouldn't go here */
3222             case WINE_WM_UPDATE:
3223                 SetEvent(ev);
3224                 break;
3225
3226             default:
3227                 FIXME("unknown message %d\n", msg);
3228                 break;
3229             }
3230         }
3231     }
3232     ExitThread(0);
3233     /* just for not generating compilation warnings... should never be executed */
3234     return 0;
3235 }
3236
3237 /**************************************************************************
3238  *                              widOpen                         [internal]
3239  */
3240 static DWORD widOpen(WORD wDevID, LPWAVEOPENDESC lpDesc, DWORD dwFlags)
3241 {
3242     WINE_WAVEIN*                wwi;
3243     snd_pcm_hw_params_t *       hw_params;
3244     snd_pcm_sw_params_t *       sw_params;
3245     snd_pcm_access_t            access;
3246     snd_pcm_format_t            format;
3247     unsigned int                rate;
3248     unsigned int                buffer_time = 500000;
3249     unsigned int                period_time = 10000;
3250     snd_pcm_uframes_t           buffer_size;
3251     snd_pcm_uframes_t           period_size;
3252     int                         flags;
3253     snd_pcm_t *                 pcm;
3254     int                         err;
3255     int                         dir;
3256
3257     snd_pcm_hw_params_alloca(&hw_params);
3258     snd_pcm_sw_params_alloca(&sw_params);
3259
3260     TRACE("(%u, %p, %08lX);\n", wDevID, lpDesc, dwFlags);
3261     if (lpDesc == NULL) {
3262         WARN("Invalid Parameter !\n");
3263         return MMSYSERR_INVALPARAM;
3264     }
3265     if (wDevID >= MAX_WAVEOUTDRV) {
3266         TRACE("MAX_WAVOUTDRV reached !\n");
3267         return MMSYSERR_BADDEVICEID;
3268     }
3269
3270     /* only PCM format is supported so far... */
3271     if (!supportedFormat(lpDesc->lpFormat)) {
3272         WARN("Bad format: tag=%04X nChannels=%d nSamplesPerSec=%ld !\n",
3273              lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
3274              lpDesc->lpFormat->nSamplesPerSec);
3275         return WAVERR_BADFORMAT;
3276     }
3277
3278     if (dwFlags & WAVE_FORMAT_QUERY) {
3279         TRACE("Query format: tag=%04X nChannels=%d nSamplesPerSec=%ld !\n",
3280              lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
3281              lpDesc->lpFormat->nSamplesPerSec);
3282         return MMSYSERR_NOERROR;
3283     }
3284
3285     wwi = &WInDev[wDevID];
3286
3287     if ((dwFlags & WAVE_DIRECTSOUND) && !(wwi->dwSupport & WAVECAPS_DIRECTSOUND))
3288         /* not supported, ignore it */
3289         dwFlags &= ~WAVE_DIRECTSOUND;
3290
3291     wwi->handle = 0;
3292     flags = SND_PCM_NONBLOCK;
3293 #if 0
3294     if ( dwFlags & WAVE_DIRECTSOUND )
3295         flags |= SND_PCM_ASYNC;
3296 #endif
3297
3298     if ( (err=snd_pcm_open(&pcm, wwi->device, SND_PCM_STREAM_CAPTURE, flags)) < 0 )
3299     {
3300         ERR("Error open: %s\n", snd_strerror(err));
3301         return MMSYSERR_NOTENABLED;
3302     }
3303
3304     wwi->wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
3305
3306     memcpy(&wwi->waveDesc, lpDesc, sizeof(WAVEOPENDESC));
3307     copy_format(lpDesc->lpFormat, &wwi->format);
3308
3309     if (wwi->format.Format.wBitsPerSample == 0) {
3310         WARN("Resetting zeroed wBitsPerSample\n");
3311         wwi->format.Format.wBitsPerSample = 8 *
3312             (wwi->format.Format.nAvgBytesPerSec /
3313              wwi->format.Format.nSamplesPerSec) /
3314             wwi->format.Format.nChannels;
3315     }
3316
3317     snd_pcm_hw_params_any(pcm, hw_params);
3318
3319 #define EXIT_ON_ERROR(f,e,txt) do \
3320 { \
3321     int err; \
3322     if ( (err = (f) ) < 0) \
3323     { \
3324         ERR(txt ": %s\n", snd_strerror(err)); \
3325         snd_pcm_close(pcm); \
3326         return e; \
3327     } \
3328 } while(0)
3329
3330     access = SND_PCM_ACCESS_MMAP_INTERLEAVED;
3331     if ( ( err = snd_pcm_hw_params_set_access(pcm, hw_params, access ) ) < 0) {
3332         WARN("mmap not available. switching to standard write.\n");
3333         access = SND_PCM_ACCESS_RW_INTERLEAVED;
3334         EXIT_ON_ERROR( snd_pcm_hw_params_set_access(pcm, hw_params, access ), MMSYSERR_INVALPARAM, "unable to set access for playback");
3335         wwi->read = snd_pcm_readi;
3336     }
3337     else
3338         wwi->read = snd_pcm_mmap_readi;
3339
3340     EXIT_ON_ERROR( snd_pcm_hw_params_set_channels(pcm, hw_params, wwi->format.Format.nChannels), MMSYSERR_INVALPARAM, "unable to set required channels");
3341
3342     if ((wwi->format.Format.wFormatTag == WAVE_FORMAT_PCM) ||
3343         ((wwi->format.Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE) &&
3344         IsEqualGUID(&wwi->format.SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))) {
3345         format = (wwi->format.Format.wBitsPerSample == 8) ? SND_PCM_FORMAT_U8 :
3346                  (wwi->format.Format.wBitsPerSample == 16) ? SND_PCM_FORMAT_S16_LE :
3347                  (wwi->format.Format.wBitsPerSample == 24) ? SND_PCM_FORMAT_S24_LE :
3348                  (wwi->format.Format.wBitsPerSample == 32) ? SND_PCM_FORMAT_S32_LE : -1;
3349     } else if ((wwi->format.Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE) &&
3350         IsEqualGUID(&wwi->format.SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)){
3351         format = (wwi->format.Format.wBitsPerSample == 32) ? SND_PCM_FORMAT_FLOAT_LE : -1;
3352     } else if (wwi->format.Format.wFormatTag == WAVE_FORMAT_MULAW) {
3353         FIXME("unimplemented format: WAVE_FORMAT_MULAW\n");
3354         snd_pcm_close(pcm);
3355         return WAVERR_BADFORMAT;
3356     } else if (wwi->format.Format.wFormatTag == WAVE_FORMAT_ALAW) {
3357         FIXME("unimplemented format: WAVE_FORMAT_ALAW\n");
3358         snd_pcm_close(pcm);
3359         return WAVERR_BADFORMAT;
3360     } else if (wwi->format.Format.wFormatTag == WAVE_FORMAT_ADPCM) {
3361         FIXME("unimplemented format: WAVE_FORMAT_ADPCM\n");
3362         snd_pcm_close(pcm);
3363         return WAVERR_BADFORMAT;
3364     } else {
3365         ERR("invalid format: %0x04x\n", wwi->format.Format.wFormatTag);
3366         snd_pcm_close(pcm);
3367         return WAVERR_BADFORMAT;
3368     }
3369
3370     EXIT_ON_ERROR( snd_pcm_hw_params_set_format(pcm, hw_params, format), MMSYSERR_INVALPARAM, "unable to set required format");
3371
3372     rate = wwi->format.Format.nSamplesPerSec;
3373     dir = 0;
3374     err = snd_pcm_hw_params_set_rate_near(pcm, hw_params, &rate, &dir);
3375     if (err < 0) {
3376         ERR("Rate %ld Hz not available for playback: %s\n", wwi->format.Format.nSamplesPerSec, snd_strerror(rate));
3377         snd_pcm_close(pcm);
3378         return WAVERR_BADFORMAT;
3379     }
3380     if (rate != wwi->format.Format.nSamplesPerSec) {
3381         ERR("Rate doesn't match (requested %ld Hz, got %d Hz)\n", wwi->format.Format.nSamplesPerSec, rate);
3382         snd_pcm_close(pcm);
3383         return WAVERR_BADFORMAT;
3384     }
3385
3386     dir=0;
3387     EXIT_ON_ERROR( snd_pcm_hw_params_set_buffer_time_near(pcm, hw_params, &buffer_time, &dir), MMSYSERR_INVALPARAM, "unable to set buffer time");
3388     dir=0;
3389     EXIT_ON_ERROR( snd_pcm_hw_params_set_period_time_near(pcm, hw_params, &period_time, &dir), MMSYSERR_INVALPARAM, "unable to set period time");
3390
3391     EXIT_ON_ERROR( snd_pcm_hw_params(pcm, hw_params), MMSYSERR_INVALPARAM, "unable to set hw params for playback");
3392
3393     dir=0;
3394     err = snd_pcm_hw_params_get_period_size(hw_params, &period_size, &dir);
3395     err = snd_pcm_hw_params_get_buffer_size(hw_params, &buffer_size);
3396
3397     snd_pcm_sw_params_current(pcm, sw_params);
3398     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");
3399     EXIT_ON_ERROR( snd_pcm_sw_params_set_silence_size(pcm, sw_params, 0), MMSYSERR_ERROR, "unable to set silence size");
3400     EXIT_ON_ERROR( snd_pcm_sw_params_set_avail_min(pcm, sw_params, period_size), MMSYSERR_ERROR, "unable to set avail min");
3401     EXIT_ON_ERROR( snd_pcm_sw_params_set_xfer_align(pcm, sw_params, 1), MMSYSERR_ERROR, "unable to set xfer align");
3402     EXIT_ON_ERROR( snd_pcm_sw_params_set_silence_threshold(pcm, sw_params, 0), MMSYSERR_ERROR, "unable to set silence threshold");
3403     EXIT_ON_ERROR( snd_pcm_sw_params(pcm, sw_params), MMSYSERR_ERROR, "unable to set sw params for playback");
3404 #undef EXIT_ON_ERROR
3405
3406     snd_pcm_prepare(pcm);
3407
3408     if (TRACE_ON(wave))
3409         ALSA_TraceParameters(hw_params, sw_params, FALSE);
3410
3411     /* now, we can save all required data for later use... */
3412     if ( wwi->hw_params )
3413         snd_pcm_hw_params_free(wwi->hw_params);
3414     snd_pcm_hw_params_malloc(&(wwi->hw_params));
3415     snd_pcm_hw_params_copy(wwi->hw_params, hw_params);
3416
3417     wwi->dwBufferSize = snd_pcm_frames_to_bytes(pcm, buffer_size);
3418     wwi->lpQueuePtr = wwi->lpPlayPtr = wwi->lpLoopPtr = NULL;
3419     wwi->handle = pcm;
3420
3421     ALSA_InitRingMessage(&wwi->msgRing);
3422
3423     wwi->count = snd_pcm_poll_descriptors_count (wwi->handle);
3424     if (wwi->count <= 0) {
3425         ERR("Invalid poll descriptors count\n");
3426         return MMSYSERR_ERROR;
3427     }
3428
3429     wwi->ufds = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY, sizeof(struct pollfd) * wwi->count);
3430     if (wwi->ufds == NULL) {
3431         ERR("No enough memory\n");
3432         return MMSYSERR_NOMEM;
3433     }
3434     if ((err = snd_pcm_poll_descriptors(wwi->handle, wwi->ufds, wwi->count)) < 0) {
3435         ERR("Unable to obtain poll descriptors for playback: %s\n", snd_strerror(err));
3436         return MMSYSERR_ERROR;
3437     }
3438
3439     wwi->dwPeriodSize = period_size;
3440     /*if (wwi->dwFragmentSize % wwi->format.Format.nBlockAlign)
3441         ERR("Fragment doesn't contain an integral number of data blocks\n");
3442     */
3443     TRACE("dwPeriodSize=%lu\n", wwi->dwPeriodSize);
3444     TRACE("wBitsPerSample=%u, nAvgBytesPerSec=%lu, nSamplesPerSec=%lu, nChannels=%u nBlockAlign=%u!\n",
3445           wwi->format.Format.wBitsPerSample, wwi->format.Format.nAvgBytesPerSec,
3446           wwi->format.Format.nSamplesPerSec, wwi->format.Format.nChannels,
3447           wwi->format.Format.nBlockAlign);
3448
3449     if (!(dwFlags & WAVE_DIRECTSOUND)) {
3450         wwi->hStartUpEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
3451         wwi->hThread = CreateThread(NULL, 0, widRecorder, (LPVOID)(DWORD)wDevID, 0, &(wwi->dwThreadID));
3452         WaitForSingleObject(wwi->hStartUpEvent, INFINITE);
3453         CloseHandle(wwi->hStartUpEvent);
3454     } else {
3455         wwi->hThread = INVALID_HANDLE_VALUE;
3456         wwi->dwThreadID = 0;
3457     }
3458     wwi->hStartUpEvent = INVALID_HANDLE_VALUE;
3459
3460     return widNotifyClient(wwi, WIM_OPEN, 0L, 0L);
3461 }
3462
3463
3464 /**************************************************************************
3465  *                              widClose                        [internal]
3466  */
3467 static DWORD widClose(WORD wDevID)
3468 {
3469     DWORD               ret = MMSYSERR_NOERROR;
3470     WINE_WAVEIN*        wwi;
3471
3472     TRACE("(%u);\n", wDevID);
3473
3474     if (wDevID >= MAX_WAVEINDRV || WInDev[wDevID].handle == NULL) {
3475         WARN("bad device ID !\n");
3476         return MMSYSERR_BADDEVICEID;
3477     }
3478
3479     wwi = &WInDev[wDevID];
3480     if (wwi->lpQueuePtr) {
3481         WARN("buffers still playing !\n");
3482         ret = WAVERR_STILLPLAYING;
3483     } else {
3484         if (wwi->hThread != INVALID_HANDLE_VALUE) {
3485             ALSA_AddRingMessage(&wwi->msgRing, WINE_WM_CLOSING, 0, TRUE);
3486         }
3487         ALSA_DestroyRingMessage(&wwi->msgRing);
3488
3489         snd_pcm_hw_params_free(wwi->hw_params);
3490         wwi->hw_params = NULL;
3491
3492         snd_pcm_close(wwi->handle);
3493         wwi->handle = NULL;
3494
3495         ret = widNotifyClient(wwi, WIM_CLOSE, 0L, 0L);
3496     }
3497
3498     HeapFree(GetProcessHeap(), 0, wwi->ufds);
3499     return ret;
3500 }
3501
3502 /**************************************************************************
3503  *                              widAddBuffer                    [internal]
3504  *
3505  */
3506 static DWORD widAddBuffer(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
3507 {
3508     TRACE("(%u, %p, %08lX);\n", wDevID, lpWaveHdr, dwSize);
3509
3510     /* first, do the sanity checks... */
3511     if (wDevID >= MAX_WAVEINDRV || WInDev[wDevID].handle == NULL) {
3512         WARN("bad dev ID !\n");
3513         return MMSYSERR_BADDEVICEID;
3514     }
3515
3516     if (lpWaveHdr->lpData == NULL || !(lpWaveHdr->dwFlags & WHDR_PREPARED))
3517         return WAVERR_UNPREPARED;
3518
3519     if (lpWaveHdr->dwFlags & WHDR_INQUEUE)
3520         return WAVERR_STILLPLAYING;
3521
3522     lpWaveHdr->dwFlags &= ~WHDR_DONE;
3523     lpWaveHdr->dwFlags |= WHDR_INQUEUE;
3524     lpWaveHdr->lpNext = 0;
3525
3526     ALSA_AddRingMessage(&WInDev[wDevID].msgRing, WINE_WM_HEADER, (DWORD)lpWaveHdr, FALSE);
3527
3528     return MMSYSERR_NOERROR;
3529 }
3530
3531 /**************************************************************************
3532  *                              widStart                        [internal]
3533  *
3534  */
3535 static DWORD widStart(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
3536 {
3537     TRACE("(%u, %p, %08lX);\n", wDevID, lpWaveHdr, dwSize);
3538
3539     /* first, do the sanity checks... */
3540     if (wDevID >= MAX_WAVEINDRV || WInDev[wDevID].handle == NULL) {
3541         WARN("bad dev ID !\n");
3542         return MMSYSERR_BADDEVICEID;
3543     }
3544
3545     ALSA_AddRingMessage(&WInDev[wDevID].msgRing, WINE_WM_STARTING, 0, TRUE);
3546
3547     Sleep(500);
3548
3549     return MMSYSERR_NOERROR;
3550 }
3551
3552 /**************************************************************************
3553  *                              widStop                 [internal]
3554  *
3555  */
3556 static DWORD widStop(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
3557 {
3558     TRACE("(%u, %p, %08lX);\n", wDevID, lpWaveHdr, dwSize);
3559
3560     /* first, do the sanity checks... */
3561     if (wDevID >= MAX_WAVEINDRV || WInDev[wDevID].handle == NULL) {
3562         WARN("bad dev ID !\n");
3563         return MMSYSERR_BADDEVICEID;
3564     }
3565
3566     ALSA_AddRingMessage(&WInDev[wDevID].msgRing, WINE_WM_STOPPING, 0, TRUE);
3567
3568     return MMSYSERR_NOERROR;
3569 }
3570
3571 /**************************************************************************
3572  *                      widReset                                [internal]
3573  */
3574 static DWORD widReset(WORD wDevID)
3575 {
3576     TRACE("(%u);\n", wDevID);
3577     if (wDevID >= MAX_WAVEINDRV || WInDev[wDevID].state == WINE_WS_CLOSED) {
3578         WARN("can't reset !\n");
3579         return MMSYSERR_INVALHANDLE;
3580     }
3581     ALSA_AddRingMessage(&WInDev[wDevID].msgRing, WINE_WM_RESETTING, 0, TRUE);
3582     return MMSYSERR_NOERROR;
3583 }
3584
3585 /**************************************************************************
3586  *                              widGetPosition                  [internal]
3587  */
3588 static DWORD widGetPosition(WORD wDevID, LPMMTIME lpTime, DWORD uSize)
3589 {
3590     WINE_WAVEIN*        wwi;
3591
3592     TRACE("(%u, %p, %lu);\n", wDevID, lpTime, uSize);
3593
3594     if (wDevID >= MAX_WAVEINDRV || WInDev[wDevID].state == WINE_WS_CLOSED) {
3595         WARN("can't get pos !\n");
3596         return MMSYSERR_INVALHANDLE;
3597     }
3598
3599     if (lpTime == NULL) {
3600         WARN("invalid parameter: lpTime = NULL\n");
3601         return MMSYSERR_INVALPARAM;
3602     }
3603
3604     wwi = &WInDev[wDevID];
3605     ALSA_AddRingMessage(&wwi->msgRing, WINE_WM_UPDATE, 0, TRUE);
3606
3607     return bytes_to_mmtime(lpTime, wwi->dwTotalRecorded, &wwi->format);
3608 }
3609
3610 /**************************************************************************
3611  *                              widGetNumDevs                   [internal]
3612  */
3613 static  DWORD   widGetNumDevs(void)
3614 {
3615     return ALSA_WidNumDevs;
3616 }
3617
3618 /**************************************************************************
3619  *                              widDevInterfaceSize             [internal]
3620  */
3621 static DWORD widDevInterfaceSize(UINT wDevID, LPDWORD dwParam1)
3622 {
3623     TRACE("(%u, %p)\n", wDevID, dwParam1);
3624
3625     *dwParam1 = MultiByteToWideChar(CP_ACP, 0, WInDev[wDevID].interface_name, -1,
3626                                     NULL, 0 ) * sizeof(WCHAR);
3627     return MMSYSERR_NOERROR;
3628 }
3629
3630 /**************************************************************************
3631  *                              widDevInterface                 [internal]
3632  */
3633 static DWORD widDevInterface(UINT wDevID, PWCHAR dwParam1, DWORD dwParam2)
3634 {
3635     if (dwParam2 >= MultiByteToWideChar(CP_ACP, 0, WInDev[wDevID].interface_name, -1,
3636                                         NULL, 0 ) * sizeof(WCHAR))
3637     {
3638         MultiByteToWideChar(CP_ACP, 0, WInDev[wDevID].interface_name, -1,
3639                             dwParam1, dwParam2 / sizeof(WCHAR));
3640         return MMSYSERR_NOERROR;
3641     }
3642     return MMSYSERR_INVALPARAM;
3643 }
3644
3645 /**************************************************************************
3646  *                              widDsCreate                     [internal]
3647  */
3648 static DWORD widDsCreate(UINT wDevID, PIDSCDRIVER* drv)
3649 {
3650     TRACE("(%d,%p)\n",wDevID,drv);
3651
3652     /* the HAL isn't much better than the HEL if we can't do mmap() */
3653     FIXME("DirectSoundCapture not implemented\n");
3654     MESSAGE("The (slower) DirectSound HEL mode will be used instead.\n");
3655     return MMSYSERR_NOTSUPPORTED;
3656 }
3657
3658 /**************************************************************************
3659  *                              widDsDesc                       [internal]
3660  */
3661 static DWORD widDsDesc(UINT wDevID, PDSDRIVERDESC desc)
3662 {
3663     memcpy(desc, &(WInDev[wDevID].ds_desc), sizeof(DSDRIVERDESC));
3664     return MMSYSERR_NOERROR;
3665 }
3666
3667 /**************************************************************************
3668  *                              widMessage (WINEALSA.@)
3669  */
3670 DWORD WINAPI ALSA_widMessage(UINT wDevID, UINT wMsg, DWORD dwUser,
3671                              DWORD dwParam1, DWORD dwParam2)
3672 {
3673     TRACE("(%u, %s, %08lX, %08lX, %08lX);\n",
3674           wDevID, getMessage(wMsg), dwUser, dwParam1, dwParam2);
3675
3676     switch (wMsg) {
3677     case DRVM_INIT:
3678     case DRVM_EXIT:
3679     case DRVM_ENABLE:
3680     case DRVM_DISABLE:
3681         /* FIXME: Pretend this is supported */
3682         return 0;
3683     case WIDM_OPEN:             return widOpen          (wDevID, (LPWAVEOPENDESC)dwParam1,      dwParam2);
3684     case WIDM_CLOSE:            return widClose         (wDevID);
3685     case WIDM_ADDBUFFER:        return widAddBuffer     (wDevID, (LPWAVEHDR)dwParam1,           dwParam2);
3686     case WIDM_PREPARE:          return MMSYSERR_NOTSUPPORTED;
3687     case WIDM_UNPREPARE:        return MMSYSERR_NOTSUPPORTED;
3688     case WIDM_GETDEVCAPS:       return widGetDevCaps    (wDevID, (LPWAVEOUTCAPSW)dwParam1,      dwParam2);
3689     case WIDM_GETNUMDEVS:       return widGetNumDevs    ();
3690     case WIDM_GETPOS:           return widGetPosition   (wDevID, (LPMMTIME)dwParam1,            dwParam2);
3691     case WIDM_RESET:            return widReset         (wDevID);
3692     case WIDM_START:            return widStart (wDevID, (LPWAVEHDR)dwParam1,           dwParam2);
3693     case WIDM_STOP:             return widStop  (wDevID, (LPWAVEHDR)dwParam1,           dwParam2);
3694     case DRV_QUERYDEVICEINTERFACESIZE: return widDevInterfaceSize       (wDevID, (LPDWORD)dwParam1);
3695     case DRV_QUERYDEVICEINTERFACE:     return widDevInterface           (wDevID, (PWCHAR)dwParam1, dwParam2);
3696     case DRV_QUERYDSOUNDIFACE:  return widDsCreate   (wDevID, (PIDSCDRIVER*)dwParam1);
3697     case DRV_QUERYDSOUNDDESC:   return widDsDesc     (wDevID, (PDSDRIVERDESC)dwParam1);
3698     default:
3699         FIXME("unknown message %d!\n", wMsg);
3700     }
3701     return MMSYSERR_NOTSUPPORTED;
3702 }
3703
3704 #else
3705
3706 /**************************************************************************
3707  *                              widMessage (WINEALSA.@)
3708  */
3709 DWORD WINAPI ALSA_widMessage(WORD wDevID, WORD wMsg, DWORD dwUser,
3710                              DWORD dwParam1, DWORD dwParam2)
3711 {
3712     FIXME("(%u, %04X, %08lX, %08lX, %08lX):stub\n", wDevID, wMsg, dwUser, dwParam1, dwParam2);
3713     return MMSYSERR_NOTENABLED;
3714 }
3715
3716 /**************************************************************************
3717  *                              wodMessage (WINEALSA.@)
3718  */
3719 DWORD WINAPI ALSA_wodMessage(WORD wDevID, WORD wMsg, DWORD dwUser,
3720                              DWORD dwParam1, DWORD dwParam2)
3721 {
3722     FIXME("(%u, %04X, %08lX, %08lX, %08lX):stub\n", wDevID, wMsg, dwUser, dwParam1, dwParam2);
3723     return MMSYSERR_NOTENABLED;
3724 }
3725
3726 #endif /* HAVE_ALSA */