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

   1 /*
   2  * Sample Wine Driver for Advanced Linux Sound System (ALSA)
   3  *      Based on version <final> of the ALSA API
   4  *
   5  * Copyright    2002 Eric Pouech
   6  *              2002 Marco Pietrobono
   7  *              2003 Christian Costa : WaveIn support
   8  *              2006-2007 Maarten Lankhorst
   9  *
  10  * This library is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU Lesser General Public
  12  * License as published by the Free Software Foundation; either
  13  * version 2.1 of the License, or (at your option) any later version.
  14  *
  15  * This library is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * Lesser General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public
  21  * License along with this library; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  23  */
  24
  25 /*======================================================================*
  26  *                  Low level WAVE IN implementation                    *
  27  *======================================================================*/
  28
  29 #include "config.h"
  30 #include "wine/port.h"
  31
  32 #include <stdlib.h>
  33 #include <stdarg.h>
  34 #include <stdio.h>
  35 #include <string.h>
  36 #ifdef HAVE_UNISTD_H
  37 # include <unistd.h>
  38 #endif
  39 #include <errno.h>
  40 #include <limits.h>
  41 #include <fcntl.h>
  42 #ifdef HAVE_SYS_IOCTL_H
  43 # include <sys/ioctl.h>
  44 #endif
  45 #ifdef HAVE_SYS_MMAN_H
  46 # include <sys/mman.h>
  47 #endif
  48 #include "windef.h"
  49 #include "winbase.h"
  50 #include "wingdi.h"
  51 #include "winerror.h"
  52 #include "winuser.h"
  53 #include "winnls.h"
  54 #include "mmddk.h"
  55
  56 #include "alsa.h"
  57 #include "wine/library.h"
  58 #include "wine/unicode.h"
  59 #include "wine/debug.h"
  60
  61 WINE_DEFAULT_DEBUG_CHANNEL(wave);
  62
  63 #ifdef HAVE_ALSA
  64
  65 WINE_WAVEDEV    *WInDev;
  66 DWORD            ALSA_WidNumMallocedDevs;
  67 DWORD            ALSA_WidNumDevs;
  68
  69 /**************************************************************************
  70 *                       widNotifyClient                 [internal]
  71 */
  72 static DWORD widNotifyClient(WINE_WAVEDEV* wwi, WORD wMsg, DWORD dwParam1, DWORD dwParam2)
  73 {
  74    TRACE("wMsg = 0x%04x dwParm1 = %04X dwParam2 = %04X\n", wMsg, dwParam1, dwParam2);
  75
  76    switch (wMsg) {
  77    case WIM_OPEN:
  78    case WIM_CLOSE:
  79    case WIM_DATA:
  80        if (wwi->wFlags != DCB_NULL &&
  81            !DriverCallback(wwi->waveDesc.dwCallback, wwi->wFlags, (HDRVR)wwi->waveDesc.hWave,
  82                            wMsg, wwi->waveDesc.dwInstance, dwParam1, dwParam2)) {
  83            WARN("can't notify client !\n");
  84            return MMSYSERR_ERROR;
  85        }
  86        break;
  87    default:
  88        FIXME("Unknown callback message %u\n", wMsg);
  89        return MMSYSERR_INVALPARAM;
  90    }
  91    return MMSYSERR_NOERROR;
  92 }
  93
  94 /**************************************************************************
  95  *                      widGetDevCaps                           [internal]
  96  */
  97 static DWORD widGetDevCaps(WORD wDevID, LPWAVEOUTCAPSW lpCaps, DWORD dwSize)
  98 {
  99     TRACE("(%u, %p, %u);\n", wDevID, lpCaps, dwSize);
 100
 101     if (lpCaps == NULL) return MMSYSERR_NOTENABLED;
 102
 103     if (wDevID >= ALSA_WidNumDevs) {
 104         TRACE("Requested device %d, but only %d are known!\n", wDevID, ALSA_WidNumDevs);
 105         return MMSYSERR_BADDEVICEID;
 106     }
 107
 108     memcpy(lpCaps, &WInDev[wDevID].incaps, min(dwSize, sizeof(*lpCaps)));
 109     return MMSYSERR_NOERROR;
 110 }
 111
 112 /**************************************************************************
 113  *                              widRecorder_ReadHeaders         [internal]
 114  */
 115 static void widRecorder_ReadHeaders(WINE_WAVEDEV * wwi)
 116 {
 117     enum win_wm_message tmp_msg;
 118     DWORD               tmp_param;
 119     HANDLE              tmp_ev;
 120     WAVEHDR*            lpWaveHdr;
 121
 122     while (ALSA_RetrieveRingMessage(&wwi->msgRing, &tmp_msg, &tmp_param, &tmp_ev)) {
 123         if (tmp_msg == WINE_WM_HEADER) {
 124             LPWAVEHDR*  wh;
 125             lpWaveHdr = (LPWAVEHDR)tmp_param;
 126             lpWaveHdr->lpNext = 0;
 127
 128             if (wwi->lpQueuePtr == 0)
 129                 wwi->lpQueuePtr = lpWaveHdr;
 130             else {
 131                 for (wh = &(wwi->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
 132                 *wh = lpWaveHdr;
 133             }
 134         } else {
 135             ERR("should only have headers left\n");
 136         }
 137     }
 138 }
 139
 140 /**************************************************************************
 141  *                              widRecorder                     [internal]
 142  */
 143 static  DWORD   CALLBACK        widRecorder(LPVOID pmt)
 144 {
 145     WORD                uDevID = (DWORD)pmt;
 146     WINE_WAVEDEV*       wwi = (WINE_WAVEDEV*)&WInDev[uDevID];
 147     WAVEHDR*            lpWaveHdr;
 148     DWORD               dwSleepTime;
 149     DWORD               bytesRead;
 150     LPVOID              buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, wwi->dwPeriodSize);
 151     char               *pOffset = buffer;
 152     enum win_wm_message msg;
 153     DWORD               param;
 154     HANDLE              ev;
 155     DWORD               frames_per_period;
 156
 157     wwi->state = WINE_WS_STOPPED;
 158     wwi->dwTotalRecorded = 0;
 159     wwi->lpQueuePtr = NULL;
 160
 161     SetEvent(wwi->hStartUpEvent);
 162
 163     /* make sleep time to be # of ms to output a period */
 164     dwSleepTime = (1024/*wwi-dwPeriodSize => overrun!*/ * 1000) / wwi->format.Format.nAvgBytesPerSec;
 165     frames_per_period = snd_pcm_bytes_to_frames(wwi->pcm, wwi->dwPeriodSize);
 166     TRACE("sleeptime=%d ms\n", dwSleepTime);
 167
 168     for (;;) {
 169         /* wait for dwSleepTime or an event in thread's queue */
 170         /* FIXME: could improve wait time depending on queue state,
 171          * ie, number of queued fragments
 172          */
 173         if (wwi->lpQueuePtr != NULL && wwi->state == WINE_WS_PLAYING)
 174         {
 175             int periods;
 176             DWORD frames;
 177             DWORD bytes;
 178             DWORD read;
 179
 180             lpWaveHdr = wwi->lpQueuePtr;
 181             /* read all the fragments accumulated so far */
 182             frames = snd_pcm_avail_update(wwi->pcm);
 183             bytes = snd_pcm_frames_to_bytes(wwi->pcm, frames);
 184             TRACE("frames = %d  bytes = %d\n", frames, bytes);
 185             periods = bytes / wwi->dwPeriodSize;
 186             while ((periods > 0) && (wwi->lpQueuePtr))
 187             {
 188                 periods--;
 189                 bytes = wwi->dwPeriodSize;
 190                 TRACE("bytes = %d\n",bytes);
 191                 if (lpWaveHdr->dwBufferLength - lpWaveHdr->dwBytesRecorded >= wwi->dwPeriodSize)
 192                 {
 193                     /* directly read fragment in wavehdr */
 194                     read = wwi->read(wwi->pcm, lpWaveHdr->lpData + lpWaveHdr->dwBytesRecorded, frames_per_period);
 195                     bytesRead = snd_pcm_frames_to_bytes(wwi->pcm, read);
 196
 197                     TRACE("bytesRead=%d (direct)\n", bytesRead);
 198                     if (bytesRead != (DWORD) -1)
 199                     {
 200                         /* update number of bytes recorded in current buffer and by this device */
 201                         lpWaveHdr->dwBytesRecorded += bytesRead;
 202                         wwi->dwTotalRecorded       += bytesRead;
 203
 204                         /* buffer is full. notify client */
 205                         if (lpWaveHdr->dwBytesRecorded == lpWaveHdr->dwBufferLength)
 206                         {
 207                             /* must copy the value of next waveHdr, because we have no idea of what
 208                              * will be done with the content of lpWaveHdr in callback
 209                              */
 210                             LPWAVEHDR   lpNext = lpWaveHdr->lpNext;
 211
 212                             lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
 213                             lpWaveHdr->dwFlags |=  WHDR_DONE;
 214
 215                             wwi->lpQueuePtr = lpNext;
 216                             widNotifyClient(wwi, WIM_DATA, (DWORD)lpWaveHdr, 0);
 217                             lpWaveHdr = lpNext;
 218                         }
 219                     } else {
 220                         TRACE("read(%s, %p, %d) failed (%s)\n", wwi->pcmname,
 221                             lpWaveHdr->lpData + lpWaveHdr->dwBytesRecorded,
 222                             frames_per_period, strerror(errno));
 223                     }
 224                 }
 225                 else
 226                 {
 227                     /* read the fragment in a local buffer */
 228                     read = wwi->read(wwi->pcm, buffer, frames_per_period);
 229                     bytesRead = snd_pcm_frames_to_bytes(wwi->pcm, read);
 230                     pOffset = buffer;
 231
 232                     TRACE("bytesRead=%d (local)\n", bytesRead);
 233
 234                     if (bytesRead == (DWORD) -1) {
 235                         TRACE("read(%s, %p, %d) failed (%s)\n", wwi->pcmname,
 236                               buffer, frames_per_period, strerror(errno));
 237                         continue;
 238                     }
 239
 240                     /* copy data in client buffers */
 241                     while (bytesRead != (DWORD) -1 && bytesRead > 0)
 242                     {
 243                         DWORD dwToCopy = min (bytesRead, lpWaveHdr->dwBufferLength - lpWaveHdr->dwBytesRecorded);
 244
 245                         memcpy(lpWaveHdr->lpData + lpWaveHdr->dwBytesRecorded,
 246                                pOffset,
 247                                dwToCopy);
 248
 249                         /* update number of bytes recorded in current buffer and by this device */
 250                         lpWaveHdr->dwBytesRecorded += dwToCopy;
 251                         wwi->dwTotalRecorded += dwToCopy;
 252                         bytesRead -= dwToCopy;
 253                         pOffset   += dwToCopy;
 254
 255                         /* client buffer is full. notify client */
 256                         if (lpWaveHdr->dwBytesRecorded == lpWaveHdr->dwBufferLength)
 257                         {
 258                             /* must copy the value of next waveHdr, because we have no idea of what
 259                              * will be done with the content of lpWaveHdr in callback
 260                              */
 261                             LPWAVEHDR   lpNext = lpWaveHdr->lpNext;
 262                             TRACE("lpNext=%p\n", lpNext);
 263
 264                             lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
 265                             lpWaveHdr->dwFlags |=  WHDR_DONE;
 266
 267                             wwi->lpQueuePtr = lpNext;
 268                             widNotifyClient(wwi, WIM_DATA, (DWORD)lpWaveHdr, 0);
 269
 270                             lpWaveHdr = lpNext;
 271                             if (!lpNext && bytesRead) {
 272                                 /* before we give up, check for more header messages */
 273                                 while (ALSA_PeekRingMessage(&wwi->msgRing, &msg, &param, &ev))
 274                                 {
 275                                     if (msg == WINE_WM_HEADER) {
 276                                         LPWAVEHDR hdr;
 277                                         ALSA_RetrieveRingMessage(&wwi->msgRing, &msg, &param, &ev);
 278                                         hdr = ((LPWAVEHDR)param);
 279                                         TRACE("msg = %s, hdr = %p, ev = %p\n", ALSA_getCmdString(msg), hdr, ev);
 280                                         hdr->lpNext = 0;
 281                                         if (lpWaveHdr == 0) {
 282                                             /* new head of queue */
 283                                             wwi->lpQueuePtr = lpWaveHdr = hdr;
 284                                         } else {
 285                                             /* insert buffer at the end of queue */
 286                                             LPWAVEHDR*  wh;
 287                                             for (wh = &(wwi->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
 288                                             *wh = hdr;
 289                                         }
 290                                     } else
 291                                         break;
 292                                 }
 293
 294                                 if (lpWaveHdr == 0) {
 295                                     /* no more buffer to copy data to, but we did read more.
 296                                      * what hasn't been copied will be dropped
 297                                      */
 298                                     WARN("buffer under run! %u bytes dropped.\n", bytesRead);
 299                                     wwi->lpQueuePtr = NULL;
 300                                     break;
 301                                 }
 302                             }
 303                         }
 304                     }
 305                 }
 306             }
 307         }
 308
 309         ALSA_WaitRingMessage(&wwi->msgRing, dwSleepTime);
 310
 311         while (ALSA_RetrieveRingMessage(&wwi->msgRing, &msg, &param, &ev))
 312         {
 313             TRACE("msg=%s param=0x%x\n", ALSA_getCmdString(msg), param);
 314             switch (msg) {
 315             case WINE_WM_PAUSING:
 316                 wwi->state = WINE_WS_PAUSED;
 317                 /*FIXME("Device should stop recording\n");*/
 318                 SetEvent(ev);
 319                 break;
 320             case WINE_WM_STARTING:
 321                 wwi->state = WINE_WS_PLAYING;
 322                 snd_pcm_start(wwi->pcm);
 323                 SetEvent(ev);
 324                 break;
 325             case WINE_WM_HEADER:
 326                 lpWaveHdr = (LPWAVEHDR)param;
 327                 lpWaveHdr->lpNext = 0;
 328
 329                 /* insert buffer at the end of queue */
 330                 {
 331                     LPWAVEHDR*  wh;
 332                     for (wh = &(wwi->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
 333                     *wh = lpWaveHdr;
 334                 }
 335                 break;
 336             case WINE_WM_STOPPING:
 337                 if (wwi->state != WINE_WS_STOPPED)
 338                 {
 339                     snd_pcm_drain(wwi->pcm);
 340
 341                     /* read any headers in queue */
 342                     widRecorder_ReadHeaders(wwi);
 343
 344                     /* return current buffer to app */
 345                     lpWaveHdr = wwi->lpQueuePtr;
 346                     if (lpWaveHdr)
 347                     {
 348                         LPWAVEHDR       lpNext = lpWaveHdr->lpNext;
 349                         TRACE("stop %p %p\n", lpWaveHdr, lpWaveHdr->lpNext);
 350                         lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
 351                         lpWaveHdr->dwFlags |= WHDR_DONE;
 352                         wwi->lpQueuePtr = lpNext;
 353                         widNotifyClient(wwi, WIM_DATA, (DWORD)lpWaveHdr, 0);
 354                     }
 355                 }
 356                 wwi->state = WINE_WS_STOPPED;
 357                 SetEvent(ev);
 358                 break;
 359             case WINE_WM_RESETTING:
 360                 if (wwi->state != WINE_WS_STOPPED)
 361                 {
 362                     snd_pcm_drain(wwi->pcm);
 363                 }
 364                 wwi->state = WINE_WS_STOPPED;
 365                 wwi->dwTotalRecorded = 0;
 366
 367                 /* read any headers in queue */
 368                 widRecorder_ReadHeaders(wwi);
 369
 370                 /* return all buffers to the app */
 371                 for (lpWaveHdr = wwi->lpQueuePtr; lpWaveHdr; lpWaveHdr = lpWaveHdr->lpNext) {
 372                     TRACE("reset %p %p\n", lpWaveHdr, lpWaveHdr->lpNext);
 373                     lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
 374                     lpWaveHdr->dwFlags |= WHDR_DONE;
 375                     wwi->lpQueuePtr = lpWaveHdr->lpNext;
 376                     widNotifyClient(wwi, WIM_DATA, (DWORD)lpWaveHdr, 0);
 377                 }
 378
 379                 wwi->lpQueuePtr = NULL;
 380                 SetEvent(ev);
 381                 break;
 382             case WINE_WM_CLOSING:
 383                 wwi->hThread = 0;
 384                 wwi->state = WINE_WS_CLOSED;
 385                 SetEvent(ev);
 386                 HeapFree(GetProcessHeap(), 0, buffer);
 387                 ExitThread(0);
 388                 /* shouldn't go here */
 389             case WINE_WM_UPDATE:
 390                 SetEvent(ev);
 391                 break;
 392
 393             default:
 394                 FIXME("unknown message %d\n", msg);
 395                 break;
 396             }
 397         }
 398     }
 399     ExitThread(0);
 400     /* just for not generating compilation warnings... should never be executed */
 401     return 0;
 402 }
 403
 404 /**************************************************************************
 405  *                              widOpen                         [internal]
 406  */
 407 static DWORD widOpen(WORD wDevID, LPWAVEOPENDESC lpDesc, DWORD dwFlags)
 408 {
 409     WINE_WAVEDEV*               wwi;
 410     snd_pcm_hw_params_t *       hw_params;
 411     snd_pcm_sw_params_t *       sw_params;
 412     snd_pcm_access_t            access;
 413     snd_pcm_format_t            format;
 414     unsigned int                rate;
 415     unsigned int                buffer_time = 500000;
 416     unsigned int                period_time = 10000;
 417     snd_pcm_uframes_t           buffer_size;
 418     snd_pcm_uframes_t           period_size;
 419     int                         flags;
 420     snd_pcm_t *                 pcm;
 421     int                         err;
 422     int                         dir;
 423
 424     snd_pcm_hw_params_alloca(&hw_params);
 425     snd_pcm_sw_params_alloca(&sw_params);
 426
 427     /* JPW TODO - review this code */
 428     TRACE("(%u, %p, %08X);\n", wDevID, lpDesc, dwFlags);
 429     if (lpDesc == NULL) {
 430         WARN("Invalid Parameter !\n");
 431         return MMSYSERR_INVALPARAM;
 432     }
 433     if (wDevID >= ALSA_WidNumDevs) {
 434         TRACE("Requested device %d, but only %d are known!\n", wDevID, ALSA_WidNumDevs);
 435         return MMSYSERR_BADDEVICEID;
 436     }
 437
 438     /* only PCM format is supported so far... */
 439     if (!ALSA_supportedFormat(lpDesc->lpFormat)) {
 440         WARN("Bad format: tag=%04X nChannels=%d nSamplesPerSec=%d !\n",
 441              lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
 442              lpDesc->lpFormat->nSamplesPerSec);
 443         return WAVERR_BADFORMAT;
 444     }
 445
 446     if (dwFlags & WAVE_FORMAT_QUERY) {
 447         TRACE("Query format: tag=%04X nChannels=%d nSamplesPerSec=%d !\n",
 448              lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
 449              lpDesc->lpFormat->nSamplesPerSec);
 450         return MMSYSERR_NOERROR;
 451     }
 452
 453     wwi = &WInDev[wDevID];
 454
 455     if (wwi->pcm != NULL) {
 456         WARN("already allocated\n");
 457         return MMSYSERR_ALLOCATED;
 458     }
 459
 460     if ((dwFlags & WAVE_DIRECTSOUND) && !(wwi->dwSupport & WAVECAPS_DIRECTSOUND))
 461         /* not supported, ignore it */
 462         dwFlags &= ~WAVE_DIRECTSOUND;
 463
 464     wwi->pcm = 0;
 465     flags = SND_PCM_NONBLOCK;
 466 #if 0
 467     if ( dwFlags & WAVE_DIRECTSOUND )
 468         flags |= SND_PCM_ASYNC;
 469 #endif
 470
 471     if ( (err=snd_pcm_open(&pcm, wwi->pcmname, SND_PCM_STREAM_CAPTURE, flags)) < 0 )
 472     {
 473         ERR("Error open: %s\n", snd_strerror(err));
 474         return MMSYSERR_NOTENABLED;
 475     }
 476
 477     wwi->wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
 478
 479     memcpy(&wwi->waveDesc, lpDesc, sizeof(WAVEOPENDESC));
 480     ALSA_copyFormat(lpDesc->lpFormat, &wwi->format);
 481
 482     if (wwi->format.Format.wBitsPerSample == 0) {
 483         WARN("Resetting zeroed wBitsPerSample\n");
 484         wwi->format.Format.wBitsPerSample = 8 *
 485             (wwi->format.Format.nAvgBytesPerSec /
 486              wwi->format.Format.nSamplesPerSec) /
 487             wwi->format.Format.nChannels;
 488     }
 489
 490     snd_pcm_hw_params_any(pcm, hw_params);
 491
 492 #define EXIT_ON_ERROR(f,e,txt) do \
 493 { \
 494     int err; \
 495     if ( (err = (f) ) < 0) \
 496     { \
 497         WARN(txt ": %s\n", snd_strerror(err)); \
 498         snd_pcm_close(pcm); \
 499         return e; \
 500     } \
 501 } while(0)
 502
 503     access = SND_PCM_ACCESS_MMAP_INTERLEAVED;
 504     if ( ( err = snd_pcm_hw_params_set_access(pcm, hw_params, access ) ) < 0) {
 505         WARN("mmap not available. switching to standard write.\n");
 506         access = SND_PCM_ACCESS_RW_INTERLEAVED;
 507         EXIT_ON_ERROR( snd_pcm_hw_params_set_access(pcm, hw_params, access ), MMSYSERR_INVALPARAM, "unable to set access for playback");
 508         wwi->read = snd_pcm_readi;
 509     }
 510     else
 511         wwi->read = snd_pcm_mmap_readi;
 512
 513     EXIT_ON_ERROR( snd_pcm_hw_params_set_channels(pcm, hw_params, wwi->format.Format.nChannels), WAVERR_BADFORMAT, "unable to set required channels");
 514
 515     if ((wwi->format.Format.wFormatTag == WAVE_FORMAT_PCM) ||
 516         ((wwi->format.Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE) &&
 517         IsEqualGUID(&wwi->format.SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))) {
 518         format = (wwi->format.Format.wBitsPerSample == 8) ? SND_PCM_FORMAT_U8 :
 519                  (wwi->format.Format.wBitsPerSample == 16) ? SND_PCM_FORMAT_S16_LE :
 520                  (wwi->format.Format.wBitsPerSample == 24) ? SND_PCM_FORMAT_S24_LE :
 521                  (wwi->format.Format.wBitsPerSample == 32) ? SND_PCM_FORMAT_S32_LE : -1;
 522     } else if ((wwi->format.Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE) &&
 523         IsEqualGUID(&wwi->format.SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)){
 524         format = (wwi->format.Format.wBitsPerSample == 32) ? SND_PCM_FORMAT_FLOAT_LE : -1;
 525     } else if (wwi->format.Format.wFormatTag == WAVE_FORMAT_MULAW) {
 526         FIXME("unimplemented format: WAVE_FORMAT_MULAW\n");
 527         snd_pcm_close(pcm);
 528         return WAVERR_BADFORMAT;
 529     } else if (wwi->format.Format.wFormatTag == WAVE_FORMAT_ALAW) {
 530         FIXME("unimplemented format: WAVE_FORMAT_ALAW\n");
 531         snd_pcm_close(pcm);
 532         return WAVERR_BADFORMAT;
 533     } else if (wwi->format.Format.wFormatTag == WAVE_FORMAT_ADPCM) {
 534         FIXME("unimplemented format: WAVE_FORMAT_ADPCM\n");
 535         snd_pcm_close(pcm);
 536         return WAVERR_BADFORMAT;
 537     } else {
 538         ERR("invalid format: %0x04x\n", wwi->format.Format.wFormatTag);
 539         snd_pcm_close(pcm);
 540         return WAVERR_BADFORMAT;
 541     }
 542
 543     EXIT_ON_ERROR( snd_pcm_hw_params_set_format(pcm, hw_params, format), WAVERR_BADFORMAT, "unable to set required format");
 544
 545     rate = wwi->format.Format.nSamplesPerSec;
 546     dir = 0;
 547     err = snd_pcm_hw_params_set_rate_near(pcm, hw_params, &rate, &dir);
 548     if (err < 0) {
 549         WARN("Rate %d Hz not available for playback: %s\n", wwi->format.Format.nSamplesPerSec, snd_strerror(rate));
 550         snd_pcm_close(pcm);
 551         return WAVERR_BADFORMAT;
 552     }
 553     if (!ALSA_NearMatch(rate, wwi->format.Format.nSamplesPerSec)) {
 554         WARN("Rate doesn't match (requested %d Hz, got %d Hz)\n", wwi->format.Format.nSamplesPerSec, rate);
 555         snd_pcm_close(pcm);
 556         return WAVERR_BADFORMAT;
 557     }
 558
 559     dir=0;
 560     EXIT_ON_ERROR( snd_pcm_hw_params_set_buffer_time_near(pcm, hw_params, &buffer_time, &dir), MMSYSERR_INVALPARAM, "unable to set buffer time");
 561     dir=0;
 562     EXIT_ON_ERROR( snd_pcm_hw_params_set_period_time_near(pcm, hw_params, &period_time, &dir), MMSYSERR_INVALPARAM, "unable to set period time");
 563
 564     EXIT_ON_ERROR( snd_pcm_hw_params(pcm, hw_params), MMSYSERR_INVALPARAM, "unable to set hw params for playback");
 565
 566     dir=0;
 567     err = snd_pcm_hw_params_get_period_size(hw_params, &period_size, &dir);
 568     err = snd_pcm_hw_params_get_buffer_size(hw_params, &buffer_size);
 569
 570     snd_pcm_sw_params_current(pcm, sw_params);
 571     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");
 572     EXIT_ON_ERROR( snd_pcm_sw_params_set_silence_size(pcm, sw_params, 0), MMSYSERR_ERROR, "unable to set silence size");
 573     EXIT_ON_ERROR( snd_pcm_sw_params_set_avail_min(pcm, sw_params, period_size), MMSYSERR_ERROR, "unable to set avail min");
 574     EXIT_ON_ERROR( snd_pcm_sw_params_set_xfer_align(pcm, sw_params, 1), MMSYSERR_ERROR, "unable to set xfer align");
 575     EXIT_ON_ERROR( snd_pcm_sw_params_set_silence_threshold(pcm, sw_params, 0), MMSYSERR_ERROR, "unable to set silence threshold");
 576     EXIT_ON_ERROR( snd_pcm_sw_params(pcm, sw_params), MMSYSERR_ERROR, "unable to set sw params for playback");
 577 #undef EXIT_ON_ERROR
 578
 579     snd_pcm_prepare(pcm);
 580
 581     if (TRACE_ON(wave))
 582         ALSA_TraceParameters(hw_params, sw_params, FALSE);
 583
 584     /* now, we can save all required data for later use... */
 585     if ( wwi->hw_params )
 586         snd_pcm_hw_params_free(wwi->hw_params);
 587     snd_pcm_hw_params_malloc(&(wwi->hw_params));
 588     snd_pcm_hw_params_copy(wwi->hw_params, hw_params);
 589
 590     wwi->dwBufferSize = snd_pcm_frames_to_bytes(pcm, buffer_size);
 591     wwi->lpQueuePtr = wwi->lpPlayPtr = wwi->lpLoopPtr = NULL;
 592     wwi->pcm = pcm;
 593
 594     ALSA_InitRingMessage(&wwi->msgRing);
 595
 596     wwi->dwPeriodSize = period_size;
 597     /*if (wwi->dwFragmentSize % wwi->format.Format.nBlockAlign)
 598         ERR("Fragment doesn't contain an integral number of data blocks\n");
 599     */
 600     TRACE("dwPeriodSize=%u\n", wwi->dwPeriodSize);
 601     TRACE("wBitsPerSample=%u, nAvgBytesPerSec=%u, nSamplesPerSec=%u, nChannels=%u nBlockAlign=%u!\n",
 602           wwi->format.Format.wBitsPerSample, wwi->format.Format.nAvgBytesPerSec,
 603           wwi->format.Format.nSamplesPerSec, wwi->format.Format.nChannels,
 604           wwi->format.Format.nBlockAlign);
 605
 606     if (!(dwFlags & WAVE_DIRECTSOUND)) {
 607         wwi->hStartUpEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
 608         wwi->hThread = CreateThread(NULL, 0, widRecorder, (LPVOID)(DWORD)wDevID, 0, &(wwi->dwThreadID));
 609         if (wwi->hThread)
 610             SetThreadPriority(wwi->hThread, THREAD_PRIORITY_TIME_CRITICAL);
 611         WaitForSingleObject(wwi->hStartUpEvent, INFINITE);
 612         CloseHandle(wwi->hStartUpEvent);
 613     } else {
 614         wwi->hThread = INVALID_HANDLE_VALUE;
 615         wwi->dwThreadID = 0;
 616     }
 617     wwi->hStartUpEvent = INVALID_HANDLE_VALUE;
 618
 619     return widNotifyClient(wwi, WIM_OPEN, 0L, 0L);
 620 }
 621
 622
 623 /**************************************************************************
 624  *                              widClose                        [internal]
 625  */
 626 static DWORD widClose(WORD wDevID)
 627 {
 628     DWORD               ret = MMSYSERR_NOERROR;
 629     WINE_WAVEDEV*       wwi;
 630
 631     TRACE("(%u);\n", wDevID);
 632
 633     if (wDevID >= ALSA_WidNumDevs) {
 634         TRACE("Requested device %d, but only %d are known!\n", wDevID, ALSA_WidNumDevs);
 635         return MMSYSERR_BADDEVICEID;
 636     }
 637
 638     if (WInDev[wDevID].pcm == NULL) {
 639         WARN("Requested to close already closed device %d!\n", wDevID);
 640         return MMSYSERR_BADDEVICEID;
 641     }
 642
 643     wwi = &WInDev[wDevID];
 644     if (wwi->lpQueuePtr) {
 645         WARN("buffers still playing !\n");
 646         ret = WAVERR_STILLPLAYING;
 647     } else {
 648         if (wwi->hThread != INVALID_HANDLE_VALUE) {
 649             ALSA_AddRingMessage(&wwi->msgRing, WINE_WM_CLOSING, 0, TRUE);
 650         }
 651         ALSA_DestroyRingMessage(&wwi->msgRing);
 652
 653         snd_pcm_hw_params_free(wwi->hw_params);
 654         wwi->hw_params = NULL;
 655
 656         snd_pcm_close(wwi->pcm);
 657         wwi->pcm = NULL;
 658
 659         ret = widNotifyClient(wwi, WIM_CLOSE, 0L, 0L);
 660     }
 661
 662     return ret;
 663 }
 664
 665 /**************************************************************************
 666  *                              widAddBuffer                    [internal]
 667  *
 668  */
 669 static DWORD widAddBuffer(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
 670 {
 671     TRACE("(%u, %p, %08X);\n", wDevID, lpWaveHdr, dwSize);
 672
 673     /* first, do the sanity checks... */
 674     if (wDevID >= ALSA_WidNumDevs) {
 675         TRACE("Requested device %d, but only %d are known!\n", wDevID, ALSA_WidNumDevs);
 676         return MMSYSERR_BADDEVICEID;
 677     }
 678
 679     if (WInDev[wDevID].pcm == NULL) {
 680         WARN("Requested to add buffer to already closed device %d!\n", wDevID);
 681         return MMSYSERR_BADDEVICEID;
 682     }
 683
 684     if (lpWaveHdr->lpData == NULL || !(lpWaveHdr->dwFlags & WHDR_PREPARED))
 685         return WAVERR_UNPREPARED;
 686
 687     if (lpWaveHdr->dwFlags & WHDR_INQUEUE)
 688         return WAVERR_STILLPLAYING;
 689
 690     lpWaveHdr->dwFlags &= ~WHDR_DONE;
 691     lpWaveHdr->dwFlags |= WHDR_INQUEUE;
 692     lpWaveHdr->lpNext = 0;
 693
 694     ALSA_AddRingMessage(&WInDev[wDevID].msgRing, WINE_WM_HEADER, (DWORD)lpWaveHdr, FALSE);
 695
 696     return MMSYSERR_NOERROR;
 697 }
 698
 699 /**************************************************************************
 700  *                              widStart                        [internal]
 701  *
 702  */
 703 static DWORD widStart(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
 704 {
 705     TRACE("(%u, %p, %08X);\n", wDevID, lpWaveHdr, dwSize);
 706
 707     /* first, do the sanity checks... */
 708     if (wDevID >= ALSA_WidNumDevs) {
 709         TRACE("Requested device %d, but only %d are known!\n", wDevID, ALSA_WidNumDevs);
 710         return MMSYSERR_BADDEVICEID;
 711     }
 712
 713     if (WInDev[wDevID].pcm == NULL) {
 714         WARN("Requested to start closed device %d!\n", wDevID);
 715         return MMSYSERR_BADDEVICEID;
 716     }
 717
 718     ALSA_AddRingMessage(&WInDev[wDevID].msgRing, WINE_WM_STARTING, 0, TRUE);
 719
 720     return MMSYSERR_NOERROR;
 721 }
 722
 723 /**************************************************************************
 724  *                              widStop                 [internal]
 725  *
 726  */
 727 static DWORD widStop(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
 728 {
 729     TRACE("(%u, %p, %08X);\n", wDevID, lpWaveHdr, dwSize);
 730
 731     /* first, do the sanity checks... */
 732     if (wDevID >= ALSA_WidNumDevs) {
 733         TRACE("Requested device %d, but only %d are known!\n", wDevID, ALSA_WidNumDevs);
 734         return MMSYSERR_BADDEVICEID;
 735     }
 736
 737     if (WInDev[wDevID].pcm == NULL) {
 738         WARN("Requested to stop closed device %d!\n", wDevID);
 739         return MMSYSERR_BADDEVICEID;
 740     }
 741
 742     ALSA_AddRingMessage(&WInDev[wDevID].msgRing, WINE_WM_STOPPING, 0, TRUE);
 743
 744     return MMSYSERR_NOERROR;
 745 }
 746
 747 /**************************************************************************
 748  *                      widReset                                [internal]
 749  */
 750 static DWORD widReset(WORD wDevID)
 751 {
 752     TRACE("(%u);\n", wDevID);
 753     if (wDevID >= ALSA_WidNumDevs) {
 754         TRACE("Requested device %d, but only %d are known!\n", wDevID, ALSA_WidNumDevs);
 755         return MMSYSERR_BADDEVICEID;
 756     }
 757
 758     if (WInDev[wDevID].pcm == NULL) {
 759         WARN("Requested to reset closed device %d!\n", wDevID);
 760         return MMSYSERR_BADDEVICEID;
 761     }
 762
 763     ALSA_AddRingMessage(&WInDev[wDevID].msgRing, WINE_WM_RESETTING, 0, TRUE);
 764     return MMSYSERR_NOERROR;
 765 }
 766
 767 /**************************************************************************
 768  *                              widGetPosition                  [internal]
 769  */
 770 static DWORD widGetPosition(WORD wDevID, LPMMTIME lpTime, DWORD uSize)
 771 {
 772     WINE_WAVEDEV*       wwi;
 773
 774     TRACE("(%u, %p, %u);\n", wDevID, lpTime, uSize);
 775
 776     if (wDevID >= ALSA_WidNumDevs) {
 777         TRACE("Requested device %d, but only %d are known!\n", wDevID, ALSA_WidNumDevs);
 778         return MMSYSERR_BADDEVICEID;
 779     }
 780
 781     if (WInDev[wDevID].state == WINE_WS_CLOSED) {
 782         WARN("Requested position of closed device %d!\n", wDevID);
 783         return MMSYSERR_BADDEVICEID;
 784     }
 785
 786     if (lpTime == NULL) {
 787         WARN("invalid parameter: lpTime = NULL\n");
 788         return MMSYSERR_INVALPARAM;
 789     }
 790
 791     wwi = &WInDev[wDevID];
 792     ALSA_AddRingMessage(&wwi->msgRing, WINE_WM_UPDATE, 0, TRUE);
 793
 794     return ALSA_bytes_to_mmtime(lpTime, wwi->dwTotalRecorded, &wwi->format);
 795 }
 796
 797 /**************************************************************************
 798  *                              widGetNumDevs                   [internal]
 799  */
 800 static  DWORD   widGetNumDevs(void)
 801 {
 802     return ALSA_WidNumDevs;
 803 }
 804
 805 /**************************************************************************
 806  *                              widDevInterfaceSize             [internal]
 807  */
 808 static DWORD widDevInterfaceSize(UINT wDevID, LPDWORD dwParam1)
 809 {
 810     TRACE("(%u, %p)\n", wDevID, dwParam1);
 811
 812     *dwParam1 = MultiByteToWideChar(CP_ACP, 0, WInDev[wDevID].interface_name, -1,
 813                                     NULL, 0 ) * sizeof(WCHAR);
 814     return MMSYSERR_NOERROR;
 815 }
 816
 817 /**************************************************************************
 818  *                              widDevInterface                 [internal]
 819  */
 820 static DWORD widDevInterface(UINT wDevID, PWCHAR dwParam1, DWORD dwParam2)
 821 {
 822     if (dwParam2 >= MultiByteToWideChar(CP_ACP, 0, WInDev[wDevID].interface_name, -1,
 823                                         NULL, 0 ) * sizeof(WCHAR))
 824     {
 825         MultiByteToWideChar(CP_ACP, 0, WInDev[wDevID].interface_name, -1,
 826                             dwParam1, dwParam2 / sizeof(WCHAR));
 827         return MMSYSERR_NOERROR;
 828     }
 829     return MMSYSERR_INVALPARAM;
 830 }
 831
 832 /**************************************************************************
 833  *                              widDsCreate                     [internal]
 834  */
 835 static DWORD widDsCreate(UINT wDevID, PIDSCDRIVER* drv)
 836 {
 837     TRACE("(%d,%p)\n",wDevID,drv);
 838
 839     /* the HAL isn't much better than the HEL if we can't do mmap() */
 840     FIXME("DirectSoundCapture not implemented\n");
 841     FIXME("The (slower) DirectSound HEL mode will be used instead.\n");
 842     return MMSYSERR_NOTSUPPORTED;
 843 }
 844
 845 /**************************************************************************
 846  *                              widDsDesc                       [internal]
 847  */
 848 static DWORD widDsDesc(UINT wDevID, PDSDRIVERDESC desc)
 849 {
 850     memcpy(desc, &(WInDev[wDevID].ds_desc), sizeof(DSDRIVERDESC));
 851     return MMSYSERR_NOERROR;
 852 }
 853
 854 /**************************************************************************
 855  *                              widMessage (WINEALSA.@)
 856  */
 857 DWORD WINAPI ALSA_widMessage(UINT wDevID, UINT wMsg, DWORD dwUser,
 858                              DWORD dwParam1, DWORD dwParam2)
 859 {
 860     TRACE("(%u, %s, %08X, %08X, %08X);\n",
 861           wDevID, ALSA_getMessage(wMsg), dwUser, dwParam1, dwParam2);
 862
 863     switch (wMsg) {
 864     case DRVM_INIT:
 865     case DRVM_EXIT:
 866     case DRVM_ENABLE:
 867     case DRVM_DISABLE:
 868         /* FIXME: Pretend this is supported */
 869         return 0;
 870     case WIDM_OPEN:             return widOpen          (wDevID, (LPWAVEOPENDESC)dwParam1,      dwParam2);
 871     case WIDM_CLOSE:            return widClose         (wDevID);
 872     case WIDM_ADDBUFFER:        return widAddBuffer     (wDevID, (LPWAVEHDR)dwParam1,           dwParam2);
 873     case WIDM_PREPARE:          return MMSYSERR_NOTSUPPORTED;
 874     case WIDM_UNPREPARE:        return MMSYSERR_NOTSUPPORTED;
 875     case WIDM_GETDEVCAPS:       return widGetDevCaps    (wDevID, (LPWAVEOUTCAPSW)dwParam1,      dwParam2);
 876     case WIDM_GETNUMDEVS:       return widGetNumDevs    ();
 877     case WIDM_GETPOS:           return widGetPosition   (wDevID, (LPMMTIME)dwParam1,            dwParam2);
 878     case WIDM_RESET:            return widReset         (wDevID);
 879     case WIDM_START:            return widStart (wDevID, (LPWAVEHDR)dwParam1,           dwParam2);
 880     case WIDM_STOP:             return widStop  (wDevID, (LPWAVEHDR)dwParam1,           dwParam2);
 881     case DRV_QUERYDEVICEINTERFACESIZE: return widDevInterfaceSize       (wDevID, (LPDWORD)dwParam1);
 882     case DRV_QUERYDEVICEINTERFACE:     return widDevInterface           (wDevID, (PWCHAR)dwParam1, dwParam2);
 883     case DRV_QUERYDSOUNDIFACE:  return widDsCreate   (wDevID, (PIDSCDRIVER*)dwParam1);
 884     case DRV_QUERYDSOUNDDESC:   return widDsDesc     (wDevID, (PDSDRIVERDESC)dwParam1);
 885     default:
 886         FIXME("unknown message %d!\n", wMsg);
 887     }
 888     return MMSYSERR_NOTSUPPORTED;
 889 }
 890
 891 #else /* HAVE_ALSA */
 892
 893 /**************************************************************************
 894  *                              widMessage (WINEALSA.@)
 895  */
 896 DWORD WINAPI ALSA_widMessage(WORD wDevID, WORD wMsg, DWORD dwUser,
 897                              DWORD dwParam1, DWORD dwParam2)
 898 {
 899     FIXME("(%u, %04X, %08X, %08X, %08X):stub\n", wDevID, wMsg, dwUser, dwParam1, dwParam2);
 900     return MMSYSERR_NOTENABLED;
 901 }
 902
 903 #endif /* HAVE_ALSA */