advapi32/tests: Restore default cryptographic provider after the tests.
[wine] / dlls / wineoss.drv / audio.c
1 /*
2  * Sample Wine Driver for Open Sound System (featured in Linux and FreeBSD)
3  *
4  * Copyright 1994 Martin Ayotte
5  *           1999 Eric Pouech (async playing in waveOut/waveIn)
6  *           2000 Eric Pouech (loops in waveOut)
7  *           2002 Eric Pouech (full duplex)
8  *
9  * This library is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2.1 of the License, or (at your option) any later version.
13  *
14  * This library is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17  * Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with this library; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22  */
23 /*
24  * FIXME:
25  *      pause in waveOut does not work correctly in loop mode
26  *      Direct Sound Capture driver does not work (not complete yet)
27  */
28
29 /* an exact wodGetPosition is usually not worth the extra context switches,
30  * as we're going to have near fragment accuracy anyway */
31 #define EXACT_WODPOSITION
32 #define EXACT_WIDPOSITION
33
34 #include "config.h"
35 #include "wine/port.h"
36
37 #include <stdlib.h>
38 #include <stdarg.h>
39 #include <stdio.h>
40 #include <string.h>
41 #ifdef HAVE_UNISTD_H
42 # include <unistd.h>
43 #endif
44 #include <errno.h>
45 #include <fcntl.h>
46 #ifdef HAVE_SYS_IOCTL_H
47 # include <sys/ioctl.h>
48 #endif
49 #ifdef HAVE_SYS_MMAN_H
50 # include <sys/mman.h>
51 #endif
52 #ifdef HAVE_POLL_H
53 #include <poll.h>
54 #endif
55 #ifdef HAVE_SYS_POLL_H
56 # include <sys/poll.h>
57 #endif
58
59 #include "windef.h"
60 #include "winbase.h"
61 #include "wingdi.h"
62 #include "winuser.h"
63 #include "winnls.h"
64 #include "winerror.h"
65 #include "mmddk.h"
66 #include "mmreg.h"
67 #include "dsound.h"
68 #include "ks.h"
69 #include "ksguid.h"
70 #include "ksmedia.h"
71 #include "initguid.h"
72 #include "dsdriver.h"
73 #include "oss.h"
74 #include "wine/debug.h"
75
76 #include "audio.h"
77
78 WINE_DEFAULT_DEBUG_CHANNEL(wave);
79
80 /* Allow 1% deviation for sample rates (some ES137x cards) */
81 #define NEAR_MATCH(rate1,rate2) (((100*((int)(rate1)-(int)(rate2)))/(rate1))==0)
82
83 #ifdef HAVE_OSS
84
85 WINE_WAVEOUT    WOutDev[MAX_WAVEDRV];
86 WINE_WAVEIN     WInDev[MAX_WAVEDRV];
87 unsigned        numOutDev;
88 unsigned        numInDev;
89
90 /* state diagram for waveOut writing:
91  *
92  * +---------+-------------+---------------+---------------------------------+
93  * |  state  |  function   |     event     |            new state            |
94  * +---------+-------------+---------------+---------------------------------+
95  * |         | open()      |               | STOPPED                         |
96  * | PAUSED  | write()     |               | PAUSED                          |
97  * | STOPPED | write()     | <thrd create> | PLAYING                         |
98  * | PLAYING | write()     | HEADER        | PLAYING                         |
99  * | (other) | write()     | <error>       |                                 |
100  * | (any)   | pause()     | PAUSING       | PAUSED                          |
101  * | PAUSED  | restart()   | RESTARTING    | PLAYING (if no thrd => STOPPED) |
102  * | (any)   | reset()     | RESETTING     | STOPPED                         |
103  * | (any)   | close()     | CLOSING       | CLOSED                          |
104  * +---------+-------------+---------------+---------------------------------+
105  */
106
107 /* These strings used only for tracing */
108 static const char * getCmdString(enum win_wm_message msg)
109 {
110 #define MSG_TO_STR(x) case x: return #x
111     switch(msg) {
112     MSG_TO_STR(WINE_WM_PAUSING);
113     MSG_TO_STR(WINE_WM_RESTARTING);
114     MSG_TO_STR(WINE_WM_RESETTING);
115     MSG_TO_STR(WINE_WM_HEADER);
116     MSG_TO_STR(WINE_WM_UPDATE);
117     MSG_TO_STR(WINE_WM_BREAKLOOP);
118     MSG_TO_STR(WINE_WM_CLOSING);
119     MSG_TO_STR(WINE_WM_STARTING);
120     MSG_TO_STR(WINE_WM_STOPPING);
121     }
122 #undef MSG_TO_STR
123     return wine_dbg_sprintf("UNKNOWN(0x%08x)", msg);
124 }
125
126 int getEnables(OSS_DEVICE *ossdev)
127 {
128     return ( (ossdev->bOutputEnabled ? PCM_ENABLE_OUTPUT : 0) |
129              (ossdev->bInputEnabled  ? PCM_ENABLE_INPUT  : 0) );
130 }
131
132 static const char * getMessage(UINT msg)
133 {
134 #define MSG_TO_STR(x) case x: return #x
135     switch(msg) {
136     MSG_TO_STR(DRVM_INIT);
137     MSG_TO_STR(DRVM_EXIT);
138     MSG_TO_STR(DRVM_ENABLE);
139     MSG_TO_STR(DRVM_DISABLE);
140     MSG_TO_STR(WIDM_OPEN);
141     MSG_TO_STR(WIDM_CLOSE);
142     MSG_TO_STR(WIDM_ADDBUFFER);
143     MSG_TO_STR(WIDM_PREPARE);
144     MSG_TO_STR(WIDM_UNPREPARE);
145     MSG_TO_STR(WIDM_GETDEVCAPS);
146     MSG_TO_STR(WIDM_GETNUMDEVS);
147     MSG_TO_STR(WIDM_GETPOS);
148     MSG_TO_STR(WIDM_RESET);
149     MSG_TO_STR(WIDM_START);
150     MSG_TO_STR(WIDM_STOP);
151     MSG_TO_STR(WODM_OPEN);
152     MSG_TO_STR(WODM_CLOSE);
153     MSG_TO_STR(WODM_WRITE);
154     MSG_TO_STR(WODM_PAUSE);
155     MSG_TO_STR(WODM_GETPOS);
156     MSG_TO_STR(WODM_BREAKLOOP);
157     MSG_TO_STR(WODM_PREPARE);
158     MSG_TO_STR(WODM_UNPREPARE);
159     MSG_TO_STR(WODM_GETDEVCAPS);
160     MSG_TO_STR(WODM_GETNUMDEVS);
161     MSG_TO_STR(WODM_GETPITCH);
162     MSG_TO_STR(WODM_SETPITCH);
163     MSG_TO_STR(WODM_GETPLAYBACKRATE);
164     MSG_TO_STR(WODM_SETPLAYBACKRATE);
165     MSG_TO_STR(WODM_GETVOLUME);
166     MSG_TO_STR(WODM_SETVOLUME);
167     MSG_TO_STR(WODM_RESTART);
168     MSG_TO_STR(WODM_RESET);
169     MSG_TO_STR(DRV_QUERYDEVICEINTERFACESIZE);
170     MSG_TO_STR(DRV_QUERYDEVICEINTERFACE);
171     MSG_TO_STR(DRV_QUERYDSOUNDIFACE);
172     MSG_TO_STR(DRV_QUERYDSOUNDDESC);
173     }
174 #undef MSG_TO_STR
175     return wine_dbg_sprintf("UNKNOWN(0x%04x)", msg);
176 }
177
178 static DWORD wodDevInterfaceSize(UINT wDevID, LPDWORD dwParam1)
179 {
180     TRACE("(%u, %p)\n", wDevID, dwParam1);
181
182     *dwParam1 = MultiByteToWideChar(CP_UNIXCP, 0, WOutDev[wDevID].ossdev.interface_name, -1,
183                                     NULL, 0 ) * sizeof(WCHAR);
184     return MMSYSERR_NOERROR;
185 }
186
187 static DWORD wodDevInterface(UINT wDevID, PWCHAR dwParam1, DWORD dwParam2)
188 {
189     if (dwParam2 >= MultiByteToWideChar(CP_UNIXCP, 0, WOutDev[wDevID].ossdev.interface_name, -1,
190                                         NULL, 0 ) * sizeof(WCHAR))
191     {
192         MultiByteToWideChar(CP_UNIXCP, 0, WOutDev[wDevID].ossdev.interface_name, -1,
193                             dwParam1, dwParam2 / sizeof(WCHAR));
194         return MMSYSERR_NOERROR;
195     }
196
197     return MMSYSERR_INVALPARAM;
198 }
199
200 static DWORD widDevInterfaceSize(UINT wDevID, LPDWORD dwParam1)
201 {
202     TRACE("(%u, %p)\n", wDevID, dwParam1);
203
204     *dwParam1 = MultiByteToWideChar(CP_UNIXCP, 0, WInDev[wDevID].ossdev.interface_name, -1,
205                                     NULL, 0 ) * sizeof(WCHAR);
206     return MMSYSERR_NOERROR;
207 }
208
209 static DWORD widDevInterface(UINT wDevID, PWCHAR dwParam1, DWORD dwParam2)
210 {
211     if (dwParam2 >= MultiByteToWideChar(CP_UNIXCP, 0, WInDev[wDevID].ossdev.interface_name, -1,
212                                         NULL, 0 ) * sizeof(WCHAR))
213     {
214         MultiByteToWideChar(CP_UNIXCP, 0, WInDev[wDevID].ossdev.interface_name, -1,
215                             dwParam1, dwParam2 / sizeof(WCHAR));
216         return MMSYSERR_NOERROR;
217     }
218
219     return MMSYSERR_INVALPARAM;
220 }
221
222 static DWORD bytes_to_mmtime(LPMMTIME lpTime, DWORD position,
223                              WAVEFORMATPCMEX* format)
224 {
225     TRACE("wType=%04X wBitsPerSample=%u nSamplesPerSec=%u nChannels=%u nAvgBytesPerSec=%u\n",
226           lpTime->wType, format->Format.wBitsPerSample, format->Format.nSamplesPerSec,
227           format->Format.nChannels, format->Format.nAvgBytesPerSec);
228     TRACE("Position in bytes=%u\n", position);
229
230     switch (lpTime->wType) {
231     case TIME_SAMPLES:
232         lpTime->u.sample = position / (format->Format.wBitsPerSample / 8 * format->Format.nChannels);
233         TRACE("TIME_SAMPLES=%u\n", lpTime->u.sample);
234         break;
235     case TIME_MS:
236         lpTime->u.ms = 1000.0 * position / (format->Format.wBitsPerSample / 8 * format->Format.nChannels * format->Format.nSamplesPerSec);
237         TRACE("TIME_MS=%u\n", lpTime->u.ms);
238         break;
239     case TIME_SMPTE:
240         lpTime->u.smpte.fps = 30;
241         position = position / (format->Format.wBitsPerSample / 8 * format->Format.nChannels);
242         position += (format->Format.nSamplesPerSec / lpTime->u.smpte.fps) - 1; /* round up */
243         lpTime->u.smpte.sec = position / format->Format.nSamplesPerSec;
244         position -= lpTime->u.smpte.sec * format->Format.nSamplesPerSec;
245         lpTime->u.smpte.min = lpTime->u.smpte.sec / 60;
246         lpTime->u.smpte.sec -= 60 * lpTime->u.smpte.min;
247         lpTime->u.smpte.hour = lpTime->u.smpte.min / 60;
248         lpTime->u.smpte.min -= 60 * lpTime->u.smpte.hour;
249         lpTime->u.smpte.fps = 30;
250         lpTime->u.smpte.frame = position * lpTime->u.smpte.fps / format->Format.nSamplesPerSec;
251         TRACE("TIME_SMPTE=%02u:%02u:%02u:%02u\n",
252               lpTime->u.smpte.hour, lpTime->u.smpte.min,
253               lpTime->u.smpte.sec, lpTime->u.smpte.frame);
254         break;
255     default:
256         WARN("Format %d not supported, using TIME_BYTES !\n", lpTime->wType);
257         lpTime->wType = TIME_BYTES;
258         /* fall through */
259     case TIME_BYTES:
260         lpTime->u.cb = position;
261         TRACE("TIME_BYTES=%u\n", lpTime->u.cb);
262         break;
263     }
264     return MMSYSERR_NOERROR;
265 }
266
267 static BOOL supportedFormat(LPWAVEFORMATEX wf)
268 {
269     TRACE("(%p)\n",wf);
270
271     if (wf->nSamplesPerSec<DSBFREQUENCY_MIN||wf->nSamplesPerSec>DSBFREQUENCY_MAX)
272         return FALSE;
273
274     if (wf->wFormatTag == WAVE_FORMAT_PCM) {
275         if (wf->nChannels >= 1 && wf->nChannels <= MAX_CHANNELS) {
276             if (wf->wBitsPerSample==8||wf->wBitsPerSample==16)
277                 return TRUE;
278         }
279     } else if (wf->wFormatTag == WAVE_FORMAT_EXTENSIBLE) {
280         WAVEFORMATEXTENSIBLE * wfex = (WAVEFORMATEXTENSIBLE *)wf;
281
282         if (wf->cbSize == 22 && IsEqualGUID(&wfex->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM)) {
283             if (wf->nChannels >=1 && wf->nChannels <= MAX_CHANNELS) {
284                 if (wf->wBitsPerSample==wfex->Samples.wValidBitsPerSample) {
285                     if (wf->wBitsPerSample==8||wf->wBitsPerSample==16)
286                         return TRUE;
287                 } else
288                     WARN("wBitsPerSample != wValidBitsPerSample not supported yet\n");
289             }
290         } else
291             WARN("only KSDATAFORMAT_SUBTYPE_PCM supported\n");
292     } else
293         WARN("only WAVE_FORMAT_PCM and WAVE_FORMAT_EXTENSIBLE supported\n");
294
295     return FALSE;
296 }
297
298 void copy_format(LPWAVEFORMATEX wf1, LPWAVEFORMATPCMEX wf2)
299 {
300     ZeroMemory(wf2, sizeof(wf2));
301     if (wf1->wFormatTag == WAVE_FORMAT_PCM)
302         memcpy(wf2, wf1, sizeof(PCMWAVEFORMAT));
303     else if (wf1->wFormatTag == WAVE_FORMAT_EXTENSIBLE)
304         memcpy(wf2, wf1, sizeof(WAVEFORMATPCMEX));
305     else
306         memcpy(wf2, wf1, sizeof(WAVEFORMATEX) + wf1->cbSize);
307 }
308
309 /*======================================================================*
310  *                  Low level WAVE implementation                       *
311  *======================================================================*/
312
313 /******************************************************************
314  *              OSS_RawOpenDevice
315  *
316  * Low level device opening (from values stored in ossdev)
317  */
318 static DWORD      OSS_RawOpenDevice(OSS_DEVICE* ossdev, int strict_format)
319 {
320     int fd, val, rc;
321     TRACE("(%p,%d)\n",ossdev,strict_format);
322
323     TRACE("open_access=%s\n",
324         ossdev->open_access == O_RDONLY ? "O_RDONLY" :
325         ossdev->open_access == O_WRONLY ? "O_WRONLY" :
326         ossdev->open_access == O_RDWR ? "O_RDWR" : "Unknown");
327
328     if ((fd = open(ossdev->dev_name, ossdev->open_access|O_NDELAY, 0)) == -1)
329     {
330         WARN("Couldn't open %s (%s)\n", ossdev->dev_name, strerror(errno));
331         return (errno == EBUSY) ? MMSYSERR_ALLOCATED : MMSYSERR_ERROR;
332     }
333     fcntl(fd, F_SETFD, 1); /* set close on exec flag */
334     /* turn full duplex on if it has been requested */
335     if (ossdev->open_access == O_RDWR && ossdev->full_duplex) {
336         rc = ioctl(fd, SNDCTL_DSP_SETDUPLEX, 0);
337         /* on *BSD, as full duplex is always enabled by default, this ioctl
338          * will fail with EINVAL
339          * so, we don't consider EINVAL an error here
340          */
341         if (rc != 0 && errno != EINVAL) {
342             WARN("ioctl(%s, SNDCTL_DSP_SETDUPLEX) failed (%s)\n", ossdev->dev_name, strerror(errno));
343             goto error2;
344         }
345     }
346
347     if (ossdev->audio_fragment) {
348         rc = ioctl(fd, SNDCTL_DSP_SETFRAGMENT, &ossdev->audio_fragment);
349         if (rc != 0) {
350             ERR("ioctl(%s, SNDCTL_DSP_SETFRAGMENT) failed (%s)\n", ossdev->dev_name, strerror(errno));
351             goto error2;
352         }
353     }
354
355     /* First size and channels then samplerate */
356     if (ossdev->format>=0)
357     {
358         val = ossdev->format;
359         rc = ioctl(fd, SNDCTL_DSP_SETFMT, &ossdev->format);
360         if (rc != 0 || val != ossdev->format) {
361             TRACE("Can't set format to %d (returned %d)\n", val, ossdev->format);
362             if (strict_format)
363                 goto error;
364         }
365     }
366     if (ossdev->channels>=0)
367     {
368         val = ossdev->channels;
369         rc = ioctl(fd, SNDCTL_DSP_CHANNELS, &ossdev->channels);
370         if (rc != 0 || val != ossdev->channels) {
371             TRACE("Can't set channels to %u (returned %d)\n", val, ossdev->channels);
372             if (strict_format)
373                 goto error;
374         }
375     }
376     if (ossdev->sample_rate>=0)
377     {
378         val = ossdev->sample_rate;
379         rc = ioctl(fd, SNDCTL_DSP_SPEED, &ossdev->sample_rate);
380         if (rc != 0 || !NEAR_MATCH(val, ossdev->sample_rate)) {
381             TRACE("Can't set sample_rate to %u (returned %d)\n", val, ossdev->sample_rate);
382             if (strict_format)
383                 goto error;
384         }
385     }
386     ossdev->fd = fd;
387
388     ossdev->bOutputEnabled = TRUE;      /* OSS enables by default */
389     ossdev->bInputEnabled  = TRUE;      /* OSS enables by default */
390     if (ossdev->open_access == O_RDONLY)
391         ossdev->bOutputEnabled = FALSE;
392     if (ossdev->open_access == O_WRONLY)
393         ossdev->bInputEnabled = FALSE;
394
395     if (ossdev->bTriggerSupport) {
396         int trigger;
397         trigger = getEnables(ossdev);
398         /* If we do not have full duplex, but they opened RDWR 
399         ** (as you have to in order for an mmap to succeed)
400         ** then we start out with input off
401         */
402         if (ossdev->open_access == O_RDWR && !ossdev->full_duplex && 
403             ossdev->bInputEnabled && ossdev->bOutputEnabled) {
404             ossdev->bInputEnabled  = FALSE;
405             trigger &= ~PCM_ENABLE_INPUT;
406             ioctl(fd, SNDCTL_DSP_SETTRIGGER, &trigger);
407         }
408     }
409
410     return MMSYSERR_NOERROR;
411
412 error:
413     close(fd);
414     return WAVERR_BADFORMAT;
415 error2:
416     close(fd);
417     return MMSYSERR_ERROR;
418 }
419
420 /******************************************************************
421  *              OSS_OpenDevice
422  *
423  * since OSS has poor capabilities in full duplex, we try here to let a program
424  * open the device for both waveout and wavein streams...
425  * this is hackish, but it's the way OSS interface is done...
426  */
427 DWORD OSS_OpenDevice(OSS_DEVICE* ossdev, unsigned req_access,
428                             int* frag, int strict_format,
429                             int sample_rate, int channels, int fmt)
430 {
431     DWORD       ret;
432     DWORD open_access;
433     TRACE("(%p,%u,%p,%d,%d,%d,%x)\n",ossdev,req_access,frag,strict_format,sample_rate,channels,fmt);
434
435     if (ossdev->full_duplex && (req_access == O_RDONLY || req_access == O_WRONLY))
436     {
437         TRACE("Opening RDWR because full_duplex=%d and req_access=%d\n",
438               ossdev->full_duplex,req_access);
439         open_access = O_RDWR;
440     }
441     else
442     {
443         open_access=req_access;
444     }
445
446     /* FIXME: this should be protected, and it also contains a race with OSS_CloseDevice */
447     if (ossdev->open_count == 0)
448     {
449         if (access(ossdev->dev_name, 0) != 0) return MMSYSERR_NODRIVER;
450
451         ossdev->audio_fragment = (frag) ? *frag : 0;
452         ossdev->sample_rate = sample_rate;
453         ossdev->channels = channels;
454         ossdev->format = fmt;
455         ossdev->open_access = open_access;
456         ossdev->owner_tid = GetCurrentThreadId();
457
458         if ((ret = OSS_RawOpenDevice(ossdev,strict_format)) != MMSYSERR_NOERROR) return ret;
459         if (ossdev->full_duplex && ossdev->bTriggerSupport &&
460             (req_access == O_RDONLY || req_access == O_WRONLY))
461         {
462             int enable;
463             if (req_access == O_WRONLY)
464                 ossdev->bInputEnabled=0;
465             else
466                 ossdev->bOutputEnabled=0;
467             enable = getEnables(ossdev);
468             TRACE("Calling SNDCTL_DSP_SETTRIGGER with %x\n",enable);
469             if (ioctl(ossdev->fd, SNDCTL_DSP_SETTRIGGER, &enable) < 0)
470                 ERR("ioctl(%s, SNDCTL_DSP_SETTRIGGER, %d) failed (%s)\n",ossdev->dev_name, enable, strerror(errno));
471         }
472     }
473     else
474     {
475         /* check we really open with the same parameters */
476         if (ossdev->open_access != open_access)
477         {
478             ERR("FullDuplex: Mismatch in access. Your sound device is not full duplex capable.\n");
479             return WAVERR_BADFORMAT;
480         }
481
482         /* check if the audio parameters are the same */
483         if (ossdev->sample_rate != sample_rate ||
484             ossdev->channels != channels ||
485             ossdev->format != fmt)
486         {
487             /* This is not a fatal error because MSACM might do the remapping */
488             WARN("FullDuplex: mismatch in PCM parameters for input and output\n"
489                  "OSS doesn't allow us different parameters\n"
490                  "audio_frag(%x/%x) sample_rate(%d/%d) channels(%d/%d) fmt(%d/%d)\n",
491                  ossdev->audio_fragment, frag ? *frag : 0,
492                  ossdev->sample_rate, sample_rate,
493                  ossdev->channels, channels,
494                  ossdev->format, fmt);
495             return WAVERR_BADFORMAT;
496         }
497         /* check if the fragment sizes are the same */
498         if (ossdev->audio_fragment != (frag ? *frag : 0) )
499         {
500             ERR("FullDuplex: Playback and Capture hardware acceleration levels are different.\n"
501                 "Please run winecfg, open \"Audio\" page and set\n"
502                 "\"Hardware Acceleration\" to \"Emulation\".\n");
503             return WAVERR_BADFORMAT;
504         }
505         if (GetCurrentThreadId() != ossdev->owner_tid)
506         {
507             WARN("Another thread is trying to access audio...\n");
508             return MMSYSERR_ERROR;
509         }
510         if (ossdev->full_duplex && ossdev->bTriggerSupport &&
511             (req_access == O_RDONLY || req_access == O_WRONLY))
512         {
513             int enable;
514             if (req_access == O_WRONLY)
515                 ossdev->bOutputEnabled=1;
516             else
517                 ossdev->bInputEnabled=1;
518             enable = getEnables(ossdev);
519             TRACE("Calling SNDCTL_DSP_SETTRIGGER with %x\n",enable);
520             if (ioctl(ossdev->fd, SNDCTL_DSP_SETTRIGGER, &enable) < 0)
521                 ERR("ioctl(%s, SNDCTL_DSP_SETTRIGGER, %d) failed (%s)\n",ossdev->dev_name, enable, strerror(errno));
522         }
523     }
524
525     ossdev->open_count++;
526
527     return MMSYSERR_NOERROR;
528 }
529
530 /******************************************************************
531  *              OSS_CloseDevice
532  *
533  *
534  */
535 void    OSS_CloseDevice(OSS_DEVICE* ossdev)
536 {
537     TRACE("(%p)\n",ossdev);
538     if (ossdev->open_count>0) {
539         ossdev->open_count--;
540     } else {
541         WARN("OSS_CloseDevice called too many times\n");
542     }
543     if (ossdev->open_count == 0)
544     {
545         fcntl(ossdev->fd, F_SETFL, fcntl(ossdev->fd, F_GETFL) & ~O_NDELAY);
546         /* reset the device before we close it in case it is in a bad state */
547         ioctl(ossdev->fd, SNDCTL_DSP_RESET, 0);
548         if (close(ossdev->fd) != 0) FIXME("Cannot close %d: %s\n", ossdev->fd, strerror(errno));
549     }
550 }
551
552 /******************************************************************
553  *              OSS_ResetDevice
554  *
555  * Resets the device. OSS Commercial requires the device to be closed
556  * after a SNDCTL_DSP_RESET ioctl call... this function implements
557  * this behavior...
558  * FIXME: This causes problems when doing full duplex so we really
559  * only reset when not doing full duplex. We need to do this better
560  * someday.
561  */
562 static DWORD     OSS_ResetDevice(OSS_DEVICE* ossdev)
563 {
564     DWORD       ret = MMSYSERR_NOERROR;
565     int         old_fd = ossdev->fd;
566     TRACE("(%p)\n", ossdev);
567
568     if (ossdev->open_count == 1) {
569         if (ioctl(ossdev->fd, SNDCTL_DSP_RESET, NULL) == -1)
570         {
571             perror("ioctl SNDCTL_DSP_RESET");
572             return -1;
573         }
574         close(ossdev->fd);
575         ret = OSS_RawOpenDevice(ossdev, 1);
576         TRACE("Changing fd from %d to %d\n", old_fd, ossdev->fd);
577     } else
578         WARN("Not resetting device because it is in full duplex mode!\n");
579
580     return ret;
581 }
582
583 static const int win_std_oss_fmts[2]={AFMT_U8,AFMT_S16_LE};
584 static const int win_std_rates[5]={96000,48000,44100,22050,11025};
585 static const int win_std_formats[2][2][5]=
586     {{{WAVE_FORMAT_96M08, WAVE_FORMAT_48M08, WAVE_FORMAT_4M08,
587        WAVE_FORMAT_2M08,  WAVE_FORMAT_1M08},
588       {WAVE_FORMAT_96S08, WAVE_FORMAT_48S08, WAVE_FORMAT_4S08,
589        WAVE_FORMAT_2S08,  WAVE_FORMAT_1S08}},
590      {{WAVE_FORMAT_96M16, WAVE_FORMAT_48M16, WAVE_FORMAT_4M16,
591        WAVE_FORMAT_2M16,  WAVE_FORMAT_1M16},
592       {WAVE_FORMAT_96S16, WAVE_FORMAT_48S16, WAVE_FORMAT_4S16,
593        WAVE_FORMAT_2S16,  WAVE_FORMAT_1S16}},
594     };
595
596 static void OSS_Info(int fd)
597 {
598     /* Note that this only reports the formats supported by the hardware.
599      * The driver may support other formats and do the conversions in
600      * software which is why we don't use this value
601      */
602     int oss_mask, oss_caps;
603     if (ioctl(fd, SNDCTL_DSP_GETFMTS, &oss_mask) >= 0) {
604         TRACE("Formats=%08x ( ", oss_mask);
605         if (oss_mask & AFMT_MU_LAW) TRACE("AFMT_MU_LAW ");
606         if (oss_mask & AFMT_A_LAW) TRACE("AFMT_A_LAW ");
607         if (oss_mask & AFMT_IMA_ADPCM) TRACE("AFMT_IMA_ADPCM ");
608         if (oss_mask & AFMT_U8) TRACE("AFMT_U8 ");
609         if (oss_mask & AFMT_S16_LE) TRACE("AFMT_S16_LE ");
610         if (oss_mask & AFMT_S16_BE) TRACE("AFMT_S16_BE ");
611         if (oss_mask & AFMT_S8) TRACE("AFMT_S8 ");
612         if (oss_mask & AFMT_U16_LE) TRACE("AFMT_U16_LE ");
613         if (oss_mask & AFMT_U16_BE) TRACE("AFMT_U16_BE ");
614         if (oss_mask & AFMT_MPEG) TRACE("AFMT_MPEG ");
615 #ifdef AFMT_AC3
616         if (oss_mask & AFMT_AC3) TRACE("AFMT_AC3 ");
617 #endif
618 #ifdef AFMT_VORBIS
619         if (oss_mask & AFMT_VORBIS) TRACE("AFMT_VORBIS ");
620 #endif
621 #ifdef AFMT_S32_LE
622         if (oss_mask & AFMT_S32_LE) TRACE("AFMT_S32_LE ");
623 #endif
624 #ifdef AFMT_S32_BE
625         if (oss_mask & AFMT_S32_BE) TRACE("AFMT_S32_BE ");
626 #endif
627 #ifdef AFMT_FLOAT
628         if (oss_mask & AFMT_FLOAT) TRACE("AFMT_FLOAT ");
629 #endif
630 #ifdef AFMT_S24_LE
631         if (oss_mask & AFMT_S24_LE) TRACE("AFMT_S24_LE ");
632 #endif
633 #ifdef AFMT_S24_BE
634         if (oss_mask & AFMT_S24_BE) TRACE("AFMT_S24_BE ");
635 #endif
636 #ifdef AFMT_SPDIF_RAW
637         if (oss_mask & AFMT_SPDIF_RAW) TRACE("AFMT_SPDIF_RAW ");
638 #endif
639         TRACE(")\n");
640     }
641     if (ioctl(fd, SNDCTL_DSP_GETCAPS, &oss_caps) >= 0) {
642         TRACE("Caps=%08x\n",oss_caps);
643         TRACE("\tRevision: %d\n", oss_caps&DSP_CAP_REVISION);
644         TRACE("\tDuplex: %s\n", oss_caps & DSP_CAP_DUPLEX ? "true" : "false");
645         TRACE("\tRealtime: %s\n", oss_caps & DSP_CAP_REALTIME ? "true" : "false");
646         TRACE("\tBatch: %s\n", oss_caps & DSP_CAP_BATCH ? "true" : "false");
647         TRACE("\tCoproc: %s\n", oss_caps & DSP_CAP_COPROC ? "true" : "false");
648         TRACE("\tTrigger: %s\n", oss_caps & DSP_CAP_TRIGGER ? "true" : "false");
649         TRACE("\tMmap: %s\n", oss_caps & DSP_CAP_MMAP ? "true" : "false");
650 #ifdef DSP_CAP_MULTI
651         TRACE("\tMulti: %s\n", oss_caps & DSP_CAP_MULTI ? "true" : "false");
652 #endif
653 #ifdef DSP_CAP_BIND
654         TRACE("\tBind: %s\n", oss_caps & DSP_CAP_BIND ? "true" : "false");
655 #endif
656 #ifdef DSP_CAP_INPUT
657         TRACE("\tInput: %s\n", oss_caps & DSP_CAP_INPUT ? "true" : "false");
658 #endif
659 #ifdef DSP_CAP_OUTPUT
660         TRACE("\tOutput: %s\n", oss_caps & DSP_CAP_OUTPUT ? "true" : "false");
661 #endif
662 #ifdef DSP_CAP_VIRTUAL
663         TRACE("\tVirtual: %s\n", oss_caps & DSP_CAP_VIRTUAL ? "true" : "false");
664 #endif
665 #ifdef DSP_CAP_ANALOGOUT
666         TRACE("\tAnalog Out: %s\n", oss_caps & DSP_CAP_ANALOGOUT ? "true" : "false");
667 #endif
668 #ifdef DSP_CAP_ANALOGIN
669         TRACE("\tAnalog In: %s\n", oss_caps & DSP_CAP_ANALOGIN ? "true" : "false");
670 #endif
671 #ifdef DSP_CAP_DIGITALOUT
672         TRACE("\tDigital Out: %s\n", oss_caps & DSP_CAP_DIGITALOUT ? "true" : "false");
673 #endif
674 #ifdef DSP_CAP_DIGITALIN
675         TRACE("\tDigital In: %s\n", oss_caps & DSP_CAP_DIGITALIN ? "true" : "false");
676 #endif
677 #ifdef DSP_CAP_ADMASK
678         TRACE("\tA/D Mask: %s\n", oss_caps & DSP_CAP_ADMASK ? "true" : "false");
679 #endif
680 #ifdef DSP_CAP_SHADOW
681         TRACE("\tShadow: %s\n", oss_caps & DSP_CAP_SHADOW ? "true" : "false");
682 #endif
683 #ifdef DSP_CH_MASK
684         TRACE("\tChannel Mask: %x\n", oss_caps & DSP_CH_MASK);
685 #endif
686 #ifdef DSP_CAP_SLAVE
687         TRACE("\tSlave: %s\n", oss_caps & DSP_CAP_SLAVE ? "true" : "false");
688 #endif
689     }
690 }
691
692 /******************************************************************
693  *              OSS_WaveOutInit
694  *
695  *
696  */
697 static BOOL OSS_WaveOutInit(OSS_DEVICE* ossdev)
698 {
699     int rc,arg;
700     int f,c;
701     unsigned int r;
702     BOOL has_mixer = FALSE;
703     TRACE("(%p) %s\n", ossdev, ossdev->dev_name);
704
705     if (OSS_OpenDevice(ossdev, O_WRONLY, NULL, 0,-1,-1,-1) != 0)
706         return FALSE;
707
708     ioctl(ossdev->fd, SNDCTL_DSP_RESET, 0);
709
710 #if defined(SNDCTL_MIXERINFO)
711     {
712         int mixer;
713         if ((mixer = open(ossdev->mixer_name, O_RDONLY|O_NDELAY)) >= 0) {
714             oss_mixerinfo info;
715             info.dev = 0;
716             if (ioctl(mixer, SNDCTL_MIXERINFO, &info) >= 0) {
717                 lstrcpynA(ossdev->ds_desc.szDesc, info.name, sizeof(info.name));
718                 strcpy(ossdev->ds_desc.szDrvname, "wineoss.drv");
719                 MultiByteToWideChar(CP_UNIXCP, 0, info.name, sizeof(info.name),
720                                     ossdev->out_caps.szPname,
721                                     sizeof(ossdev->out_caps.szPname) / sizeof(WCHAR));
722                 TRACE("%s: %s\n", ossdev->mixer_name, ossdev->ds_desc.szDesc);
723                 has_mixer = TRUE;
724             } else {
725                 WARN("%s: cannot read SNDCTL_MIXERINFO!\n", ossdev->mixer_name);
726             }
727             close(mixer);
728         } else {
729             WARN("open(%s) failed (%s)\n", ossdev->mixer_name , strerror(errno));
730         }
731     }
732 #elif defined(SOUND_MIXER_INFO)
733     {
734         int mixer;
735         if ((mixer = open(ossdev->mixer_name, O_RDONLY|O_NDELAY)) >= 0) {
736             mixer_info info;
737             if (ioctl(mixer, SOUND_MIXER_INFO, &info) >= 0) {
738                 lstrcpynA(ossdev->ds_desc.szDesc, info.name, sizeof(info.name));
739                 strcpy(ossdev->ds_desc.szDrvname, "wineoss.drv");
740                 MultiByteToWideChar(CP_UNIXCP, 0, info.name, sizeof(info.name),
741                                     ossdev->out_caps.szPname, 
742                                     sizeof(ossdev->out_caps.szPname) / sizeof(WCHAR));
743                 TRACE("%s: %s\n", ossdev->mixer_name, ossdev->ds_desc.szDesc);
744                 has_mixer = TRUE;
745             } else {
746                 /* FreeBSD up to at least 5.2 provides this ioctl, but does not
747                  * implement it properly, and there are probably similar issues
748                  * on other platforms, so we warn but try to go ahead.
749                  */
750                 WARN("%s: cannot read SOUND_MIXER_INFO!\n", ossdev->mixer_name);
751             }
752             close(mixer);
753         } else {
754             WARN("open(%s) failed (%s)\n", ossdev->mixer_name , strerror(errno));
755         }
756     }
757 #endif /* SOUND_MIXER_INFO */
758
759     if (WINE_TRACE_ON(wave))
760         OSS_Info(ossdev->fd);
761
762     ossdev->out_caps.wMid = 0x00FF; /* Manufac ID */
763     ossdev->out_caps.wPid = 0x0001; /* Product ID */
764
765     ossdev->out_caps.vDriverVersion = 0x0100;
766     ossdev->out_caps.wChannels = 1;
767     ossdev->out_caps.dwFormats = 0x00000000;
768     ossdev->out_caps.wReserved1 = 0;
769     ossdev->out_caps.dwSupport = has_mixer ? WAVECAPS_VOLUME : 0;
770
771     /* direct sound caps */
772     ossdev->ds_caps.dwFlags = DSCAPS_CERTIFIED;
773     ossdev->ds_caps.dwFlags |= DSCAPS_SECONDARY8BIT;
774     ossdev->ds_caps.dwFlags |= DSCAPS_SECONDARY16BIT;
775     ossdev->ds_caps.dwFlags |= DSCAPS_SECONDARYMONO;
776     ossdev->ds_caps.dwFlags |= DSCAPS_SECONDARYSTEREO;
777     ossdev->ds_caps.dwFlags |= DSCAPS_CONTINUOUSRATE;
778
779     ossdev->ds_caps.dwPrimaryBuffers = 1;
780     ossdev->ds_caps.dwMinSecondarySampleRate = DSBFREQUENCY_MIN;
781     ossdev->ds_caps.dwMaxSecondarySampleRate = DSBFREQUENCY_MAX;
782
783     /* We must first set the format and the stereo mode as some sound cards
784      * may support 44kHz mono but not 44kHz stereo. Also we must
785      * systematically check the return value of these ioctls as they will
786      * always succeed (see OSS Linux) but will modify the parameter to match
787      * whatever they support. The OSS specs also say we must first set the
788      * sample size, then the stereo and then the sample rate.
789      */
790     for (f=0;f<2;f++) {
791         arg=win_std_oss_fmts[f];
792         rc=ioctl(ossdev->fd, SNDCTL_DSP_SAMPLESIZE, &arg);
793         if (rc!=0 || arg!=win_std_oss_fmts[f]) {
794             TRACE("DSP_SAMPLESIZE: rc=%d returned %d for %d\n",
795                   rc,arg,win_std_oss_fmts[f]);
796             continue;
797         }
798         if (f == 0)
799             ossdev->ds_caps.dwFlags |= DSCAPS_PRIMARY8BIT;
800         else if (f == 1)
801             ossdev->ds_caps.dwFlags |= DSCAPS_PRIMARY16BIT;
802
803         for (c = 1; c <= MAX_CHANNELS; c++) {
804             arg=c;
805             rc=ioctl(ossdev->fd, SNDCTL_DSP_CHANNELS, &arg);
806             if( rc == -1) break;
807             if (rc!=0 || arg!=c) {
808                 TRACE("DSP_CHANNELS: rc=%d returned %d for %d\n",rc,arg,c);
809                 continue;
810             }
811             if (c == 1) {
812                 ossdev->ds_caps.dwFlags |= DSCAPS_PRIMARYMONO;
813             } else if (c == 2) {
814                 ossdev->out_caps.wChannels = 2;
815                 if (has_mixer)
816                     ossdev->out_caps.dwSupport|=WAVECAPS_LRVOLUME;
817                 ossdev->ds_caps.dwFlags |= DSCAPS_PRIMARYSTEREO;
818             } else
819                 ossdev->out_caps.wChannels = c;
820
821             for (r=0;r<sizeof(win_std_rates)/sizeof(*win_std_rates);r++) {
822                 arg=win_std_rates[r];
823                 rc=ioctl(ossdev->fd, SNDCTL_DSP_SPEED, &arg);
824                 TRACE("DSP_SPEED: rc=%d returned %d for %dx%dx%d\n",
825                       rc,arg,win_std_rates[r],win_std_oss_fmts[f],c);
826                 if (rc==0 && arg!=0 && NEAR_MATCH(arg,win_std_rates[r]) && c < 3)
827                     ossdev->out_caps.dwFormats|=win_std_formats[f][c-1][r];
828             }
829         }
830     }
831
832     if (ioctl(ossdev->fd, SNDCTL_DSP_GETCAPS, &arg) == 0) {
833         if (arg & DSP_CAP_TRIGGER)
834             ossdev->bTriggerSupport = TRUE;
835         if ((arg & DSP_CAP_REALTIME) && !(arg & DSP_CAP_BATCH)) {
836             ossdev->out_caps.dwSupport |= WAVECAPS_SAMPLEACCURATE;
837         }
838         /* well, might as well use the DirectSound cap flag for something */
839         if ((arg & DSP_CAP_TRIGGER) && (arg & DSP_CAP_MMAP) &&
840             !(arg & DSP_CAP_BATCH)) {
841             ossdev->out_caps.dwSupport |= WAVECAPS_DIRECTSOUND;
842         } else {
843             ossdev->ds_caps.dwFlags |= DSCAPS_EMULDRIVER;
844         }
845 #ifdef DSP_CAP_MULTI    /* not every oss has this */
846         /* check for hardware secondary buffer support (multi open) */
847         if ((arg & DSP_CAP_MULTI) &&
848             (ossdev->out_caps.dwSupport & WAVECAPS_DIRECTSOUND)) {
849             TRACE("hardware secondary buffer support available\n");
850
851             ossdev->ds_caps.dwMaxHwMixingAllBuffers = 16;
852             ossdev->ds_caps.dwMaxHwMixingStaticBuffers = 0;
853             ossdev->ds_caps.dwMaxHwMixingStreamingBuffers = 16;
854
855             ossdev->ds_caps.dwFreeHwMixingAllBuffers = 16;
856             ossdev->ds_caps.dwFreeHwMixingStaticBuffers = 0;
857             ossdev->ds_caps.dwFreeHwMixingStreamingBuffers = 16;
858         }
859 #endif
860     }
861     OSS_CloseDevice(ossdev);
862     TRACE("out wChannels = %d, dwFormats = %08X, dwSupport = %08X\n",
863           ossdev->out_caps.wChannels, ossdev->out_caps.dwFormats,
864           ossdev->out_caps.dwSupport);
865     return TRUE;
866 }
867
868 /******************************************************************
869  *              OSS_WaveInInit
870  *
871  *
872  */
873 static BOOL OSS_WaveInInit(OSS_DEVICE* ossdev)
874 {
875     int rc,arg;
876     int f,c;
877     unsigned int r;
878     TRACE("(%p) %s\n", ossdev, ossdev->dev_name);
879
880     if (OSS_OpenDevice(ossdev, O_RDONLY, NULL, 0,-1,-1,-1) != 0)
881         return FALSE;
882
883     ioctl(ossdev->fd, SNDCTL_DSP_RESET, 0);
884
885 #if defined(SNDCTL_MIXERINFO)
886     {
887         int mixer;
888         if ((mixer = open(ossdev->mixer_name, O_RDONLY|O_NDELAY)) >= 0) {
889             oss_mixerinfo info;
890             info.dev = 0;
891             if (ioctl(mixer, SNDCTL_MIXERINFO, &info) >= 0) {
892                 MultiByteToWideChar(CP_UNIXCP, 0, info.name, -1,
893                                     ossdev->in_caps.szPname,
894                                     sizeof(ossdev->in_caps.szPname) / sizeof(WCHAR));
895                 TRACE("%s: %s\n", ossdev->mixer_name, ossdev->ds_desc.szDesc);
896             } else {
897                 WARN("%s: cannot read SNDCTL_MIXERINFO!\n", ossdev->mixer_name);
898             }
899             close(mixer);
900         } else {
901             WARN("open(%s) failed (%s)\n", ossdev->mixer_name, strerror(errno));
902         }
903     }
904 #elif defined(SOUND_MIXER_INFO)
905     {
906         int mixer;
907         if ((mixer = open(ossdev->mixer_name, O_RDONLY|O_NDELAY)) >= 0) {
908             mixer_info info;
909             if (ioctl(mixer, SOUND_MIXER_INFO, &info) >= 0) {
910                 MultiByteToWideChar(CP_UNIXCP, 0, info.name, -1,
911                                     ossdev->in_caps.szPname, 
912                                     sizeof(ossdev->in_caps.szPname) / sizeof(WCHAR));
913                 TRACE("%s: %s\n", ossdev->mixer_name, ossdev->ds_desc.szDesc);
914             } else {
915                 /* FreeBSD up to at least 5.2 provides this ioctl, but does not
916                  * implement it properly, and there are probably similar issues
917                  * on other platforms, so we warn but try to go ahead.
918                  */
919                 WARN("%s: cannot read SOUND_MIXER_INFO!\n", ossdev->mixer_name);
920             }
921             close(mixer);
922         } else {
923             WARN("open(%s) failed (%s)\n", ossdev->mixer_name, strerror(errno));
924         }
925     }
926 #endif /* SOUND_MIXER_INFO */
927
928     if (WINE_TRACE_ON(wave))
929         OSS_Info(ossdev->fd);
930
931     ossdev->in_caps.wMid = 0x00FF; /* Manufac ID */
932     ossdev->in_caps.wPid = 0x0001; /* Product ID */
933
934     ossdev->in_caps.dwFormats = 0x00000000;
935     ossdev->in_caps.wChannels = 1;
936     ossdev->in_caps.wReserved1 = 0;
937
938     /* direct sound caps */
939     ossdev->dsc_caps.dwSize = sizeof(ossdev->dsc_caps);
940     ossdev->dsc_caps.dwFlags = 0;
941     ossdev->dsc_caps.dwFormats = 0x00000000;
942     ossdev->dsc_caps.dwChannels = 1;
943
944     /* See the comment in OSS_WaveOutInit for the loop order */
945     for (f=0;f<2;f++) {
946         arg=win_std_oss_fmts[f];
947         rc=ioctl(ossdev->fd, SNDCTL_DSP_SAMPLESIZE, &arg);
948         if (rc!=0 || arg!=win_std_oss_fmts[f]) {
949             TRACE("DSP_SAMPLESIZE: rc=%d returned 0x%x for 0x%x\n",
950                   rc,arg,win_std_oss_fmts[f]);
951             continue;
952         }
953
954         for (c = 1; c <= MAX_CHANNELS; c++) {
955             arg=c;
956             rc=ioctl(ossdev->fd, SNDCTL_DSP_CHANNELS, &arg);
957             if( rc == -1) break;
958             if (rc!=0 || arg!=c) {
959                 TRACE("DSP_CHANNELS: rc=%d returned %d for %d\n",rc,arg,c);
960                 continue;
961             }
962             if (c > 1) {
963                 ossdev->in_caps.wChannels = c;
964                 ossdev->dsc_caps.dwChannels = c;
965             }
966
967             for (r=0;r<sizeof(win_std_rates)/sizeof(*win_std_rates);r++) {
968                 arg=win_std_rates[r];
969                 rc=ioctl(ossdev->fd, SNDCTL_DSP_SPEED, &arg);
970                 TRACE("DSP_SPEED: rc=%d returned %d for %dx%dx%d\n",rc,arg,win_std_rates[r],win_std_oss_fmts[f],c);
971                 if (rc==0 && NEAR_MATCH(arg,win_std_rates[r]) && c < 3)
972                     ossdev->in_caps.dwFormats|=win_std_formats[f][c-1][r];
973                     ossdev->dsc_caps.dwFormats|=win_std_formats[f][c-1][r];
974             }
975         }
976     }
977
978     if (ioctl(ossdev->fd, SNDCTL_DSP_GETCAPS, &arg) == 0) {
979         if (arg & DSP_CAP_TRIGGER)
980             ossdev->bTriggerSupport = TRUE;
981         if ((arg & DSP_CAP_TRIGGER) && (arg & DSP_CAP_MMAP) &&
982             !(arg & DSP_CAP_BATCH)) {
983             /* FIXME: enable the next statement if you want to work on the driver */
984 #if 0
985             ossdev->in_caps_support |= WAVECAPS_DIRECTSOUND;
986 #endif
987         }
988         if ((arg & DSP_CAP_REALTIME) && !(arg & DSP_CAP_BATCH))
989             ossdev->in_caps_support |= WAVECAPS_SAMPLEACCURATE;
990     }
991     OSS_CloseDevice(ossdev);
992     TRACE("in wChannels = %d, dwFormats = %08X, in_caps_support = %08X\n",
993         ossdev->in_caps.wChannels, ossdev->in_caps.dwFormats, ossdev->in_caps_support);
994     return TRUE;
995 }
996
997 /******************************************************************
998  *              OSS_WaveFullDuplexInit
999  *
1000  *
1001  */
1002 static void OSS_WaveFullDuplexInit(OSS_DEVICE* ossdev)
1003 {
1004     int rc,arg;
1005     int f,c;
1006     unsigned int r;
1007     int caps;
1008     BOOL has_mixer = FALSE;
1009     TRACE("(%p) %s\n", ossdev, ossdev->dev_name);
1010
1011     /* The OSS documentation says we must call SNDCTL_SETDUPLEX
1012      * *before* checking for SNDCTL_DSP_GETCAPS otherwise we may
1013      * get the wrong result. This ioctl must even be done before
1014      * setting the fragment size so that only OSS_RawOpenDevice is
1015      * in a position to do it. So we set full_duplex speculatively
1016      * and adjust right after.
1017      */
1018     ossdev->full_duplex=1;
1019     rc=OSS_OpenDevice(ossdev, O_RDWR, NULL, 0,-1,-1,-1);
1020     ossdev->full_duplex=0;
1021     if (rc != 0)
1022         return;
1023
1024     ioctl(ossdev->fd, SNDCTL_DSP_RESET, 0);
1025
1026 #if defined(SNDCTL_MIXERINFO)
1027     {
1028         int mixer;
1029         if ((mixer = open(ossdev->mixer_name, O_RDWR|O_NDELAY)) >= 0) {
1030             oss_mixerinfo info;
1031             info.dev = 0;
1032             if (ioctl(mixer, SNDCTL_MIXERINFO, &info) >= 0) {
1033                 has_mixer = TRUE;
1034             } else {
1035                 WARN("%s: cannot read SNDCTL_MIXERINFO!\n", ossdev->mixer_name);
1036             }
1037             close(mixer);
1038         } else {
1039             WARN("open(%s) failed (%s)\n", ossdev->mixer_name , strerror(errno));
1040         }
1041     }
1042 #elif defined(SOUND_MIXER_INFO)
1043     {
1044         int mixer;
1045         if ((mixer = open(ossdev->mixer_name, O_RDWR|O_NDELAY)) >= 0) {
1046             mixer_info info;
1047             if (ioctl(mixer, SOUND_MIXER_INFO, &info) >= 0) {
1048                 has_mixer = TRUE;
1049             } else {
1050                 /* FreeBSD up to at least 5.2 provides this ioctl, but does not
1051                  * implement it properly, and there are probably similar issues
1052                  * on other platforms, so we warn but try to go ahead.
1053                  */
1054                 WARN("%s: cannot read SOUND_MIXER_INFO!\n", ossdev->mixer_name);
1055             }
1056             close(mixer);
1057         } else {
1058             WARN("open(%s) failed (%s)\n", ossdev->mixer_name , strerror(errno));
1059         }
1060     }
1061 #endif /* SOUND_MIXER_INFO */
1062
1063     TRACE("%s\n", ossdev->ds_desc.szDesc);
1064
1065     if (ioctl(ossdev->fd, SNDCTL_DSP_GETCAPS, &caps) == 0)
1066         ossdev->full_duplex = (caps & DSP_CAP_DUPLEX);
1067
1068     ossdev->duplex_out_caps = ossdev->out_caps;
1069
1070     ossdev->duplex_out_caps.wChannels = 1;
1071     ossdev->duplex_out_caps.dwFormats = 0x00000000;
1072     ossdev->duplex_out_caps.dwSupport = has_mixer ? WAVECAPS_VOLUME : 0;
1073
1074     if (WINE_TRACE_ON(wave))
1075         OSS_Info(ossdev->fd);
1076
1077     /* See the comment in OSS_WaveOutInit for the loop order */
1078     for (f=0;f<2;f++) {
1079         arg=win_std_oss_fmts[f];
1080         rc=ioctl(ossdev->fd, SNDCTL_DSP_SAMPLESIZE, &arg);
1081         if (rc!=0 || arg!=win_std_oss_fmts[f]) {
1082             TRACE("DSP_SAMPLESIZE: rc=%d returned 0x%x for 0x%x\n",
1083                   rc,arg,win_std_oss_fmts[f]);
1084             continue;
1085         }
1086
1087         for (c = 1; c <= MAX_CHANNELS; c++) {
1088             arg=c;
1089             rc=ioctl(ossdev->fd, SNDCTL_DSP_CHANNELS, &arg);
1090             if( rc == -1) break;
1091             if (rc!=0 || arg!=c) {
1092                 TRACE("DSP_CHANNELS: rc=%d returned %d for %d\n",rc,arg,c);
1093                 continue;
1094             }
1095             if (c == 1) {
1096                 ossdev->ds_caps.dwFlags |= DSCAPS_PRIMARYMONO;
1097             } else if (c == 2) {
1098                 ossdev->duplex_out_caps.wChannels = 2;
1099                 if (has_mixer)
1100                     ossdev->duplex_out_caps.dwSupport|=WAVECAPS_LRVOLUME;
1101                 ossdev->ds_caps.dwFlags |= DSCAPS_PRIMARYSTEREO;
1102             } else
1103                 ossdev->duplex_out_caps.wChannels = c;
1104
1105             for (r=0;r<sizeof(win_std_rates)/sizeof(*win_std_rates);r++) {
1106                 arg=win_std_rates[r];
1107                 rc=ioctl(ossdev->fd, SNDCTL_DSP_SPEED, &arg);
1108                 TRACE("DSP_SPEED: rc=%d returned %d for %dx%dx%d\n",
1109                       rc,arg,win_std_rates[r],win_std_oss_fmts[f],c);
1110                 if (rc==0 && arg!=0 && NEAR_MATCH(arg,win_std_rates[r]) && c < 3)
1111                     ossdev->duplex_out_caps.dwFormats|=win_std_formats[f][c-1][r];
1112             }
1113         }
1114     }
1115
1116     if (ioctl(ossdev->fd, SNDCTL_DSP_GETCAPS, &arg) == 0) {
1117         if ((arg & DSP_CAP_REALTIME) && !(arg & DSP_CAP_BATCH)) {
1118             ossdev->duplex_out_caps.dwSupport |= WAVECAPS_SAMPLEACCURATE;
1119         }
1120         /* well, might as well use the DirectSound cap flag for something */
1121         if ((arg & DSP_CAP_TRIGGER) && (arg & DSP_CAP_MMAP) &&
1122             !(arg & DSP_CAP_BATCH)) {
1123             ossdev->duplex_out_caps.dwSupport |= WAVECAPS_DIRECTSOUND;
1124         }
1125     }
1126     OSS_CloseDevice(ossdev);
1127     TRACE("duplex wChannels = %d, dwFormats = %08X, dwSupport = %08X\n",
1128           ossdev->duplex_out_caps.wChannels,
1129           ossdev->duplex_out_caps.dwFormats,
1130           ossdev->duplex_out_caps.dwSupport);
1131 }
1132
1133 static char* StrDup(const char* str, const char* def)
1134 {
1135     char* dst;
1136     if (str==NULL)
1137         str=def;
1138     dst=HeapAlloc(GetProcessHeap(),0,strlen(str)+1);
1139     strcpy(dst, str);
1140     return dst;
1141 }
1142
1143 /******************************************************************
1144  *              OSS_WaveInit
1145  *
1146  * Initialize internal structures from OSS information
1147  */
1148 LRESULT OSS_WaveInit(void)
1149 {
1150     char* str;
1151     unsigned int i;
1152
1153     /* FIXME: Remove unneeded members of WOutDev and WInDev */
1154     TRACE("()\n");
1155
1156     str=getenv("AUDIODEV");
1157     if (str!=NULL)
1158     {
1159         WOutDev[0].ossdev.dev_name = WInDev[0].ossdev.dev_name = StrDup(str,"");
1160         WOutDev[0].ossdev.mixer_name = WInDev[0].ossdev.mixer_name = StrDup(getenv("MIXERDEV"),"/dev/mixer");
1161         for (i = 1; i < MAX_WAVEDRV; ++i)
1162         {
1163             WOutDev[i].ossdev.dev_name = WInDev[i].ossdev.dev_name = StrDup("",NULL);
1164             WOutDev[i].ossdev.mixer_name = WInDev[i].ossdev.mixer_name = StrDup("",NULL);
1165         }
1166     }
1167     else
1168     {
1169         WOutDev[0].ossdev.dev_name = WInDev[0].ossdev.dev_name = StrDup("/dev/dsp",NULL);
1170         WOutDev[0].ossdev.mixer_name = WInDev[0].ossdev.mixer_name = StrDup("/dev/mixer",NULL);
1171         for (i = 1; i < MAX_WAVEDRV; ++i)
1172         {
1173             WOutDev[i].ossdev.dev_name = WInDev[i].ossdev.dev_name = HeapAlloc(GetProcessHeap(),0,11);
1174             sprintf(WOutDev[i].ossdev.dev_name, "/dev/dsp%u", i);
1175             WOutDev[i].ossdev.mixer_name = WInDev[i].ossdev.mixer_name = HeapAlloc(GetProcessHeap(),0,13);
1176             sprintf(WOutDev[i].ossdev.mixer_name, "/dev/mixer%u", i);
1177         }
1178     }
1179
1180     for (i = 0; i < MAX_WAVEDRV; ++i)
1181     {
1182         WOutDev[i].ossdev.interface_name = WInDev[i].ossdev.interface_name =
1183             HeapAlloc(GetProcessHeap(),0,9+strlen(WOutDev[i].ossdev.dev_name)+1);
1184         sprintf(WOutDev[i].ossdev.interface_name, "wineoss: %s", WOutDev[i].ossdev.dev_name);
1185     }
1186
1187     /* start with output devices */
1188     for (i = 0; i < MAX_WAVEDRV; ++i)
1189     {
1190         if (*WOutDev[i].ossdev.dev_name == '\0' || OSS_WaveOutInit(&WOutDev[i].ossdev))
1191         {
1192             WOutDev[numOutDev].state = WINE_WS_CLOSED;
1193             WOutDev[numOutDev].volume = 0xffffffff;
1194             numOutDev++;
1195         }
1196     }
1197
1198     /* then do input devices */
1199     for (i = 0; i < MAX_WAVEDRV; ++i)
1200     {
1201         if (*WInDev[i].ossdev.dev_name=='\0' || OSS_WaveInInit(&WInDev[i].ossdev))
1202         {
1203             WInDev[numInDev].state = WINE_WS_CLOSED;
1204             numInDev++;
1205         }
1206     }
1207
1208     /* finish with the full duplex bits */
1209     for (i = 0; i < MAX_WAVEDRV; i++)
1210         if (*WOutDev[i].ossdev.dev_name!='\0')
1211             OSS_WaveFullDuplexInit(&WOutDev[i].ossdev);
1212
1213     TRACE("%d wave out devices\n", numOutDev);
1214     for (i = 0; i < numOutDev; i++) {
1215         TRACE("%u: %s, %s, %s\n", i, WOutDev[i].ossdev.dev_name,
1216               WOutDev[i].ossdev.mixer_name, WOutDev[i].ossdev.interface_name);
1217     }
1218
1219     TRACE("%d wave in devices\n", numInDev);
1220     for (i = 0; i < numInDev; i++) {
1221         TRACE("%u: %s, %s, %s\n", i, WInDev[i].ossdev.dev_name,
1222               WInDev[i].ossdev.mixer_name, WInDev[i].ossdev.interface_name);
1223     }
1224
1225     return 0;
1226 }
1227
1228 /******************************************************************
1229  *              OSS_WaveExit
1230  *
1231  * Delete/clear internal structures of OSS information
1232  */
1233 LRESULT OSS_WaveExit(void)
1234 {
1235     int i;
1236     TRACE("()\n");
1237
1238     for (i = 0; i < MAX_WAVEDRV; ++i)
1239     {
1240         HeapFree(GetProcessHeap(), 0, WOutDev[i].ossdev.dev_name);
1241         HeapFree(GetProcessHeap(), 0, WOutDev[i].ossdev.mixer_name);
1242         HeapFree(GetProcessHeap(), 0, WOutDev[i].ossdev.interface_name);
1243     }
1244
1245     ZeroMemory(WOutDev, sizeof(WOutDev));
1246     ZeroMemory(WInDev, sizeof(WInDev));
1247
1248     numOutDev = 0;
1249     numInDev = 0;
1250
1251     return 0;
1252 }
1253
1254 /******************************************************************
1255  *              OSS_InitRingMessage
1256  *
1257  * Initialize the ring of messages for passing between driver's caller and playback/record
1258  * thread
1259  */
1260 static int OSS_InitRingMessage(OSS_MSG_RING* omr)
1261 {
1262     omr->msg_toget = 0;
1263     omr->msg_tosave = 0;
1264 #ifdef USE_PIPE_SYNC
1265     if (pipe(omr->msg_pipe) < 0) {
1266         omr->msg_pipe[0] = -1;
1267         omr->msg_pipe[1] = -1;
1268         ERR("could not create pipe, error=%s\n", strerror(errno));
1269     }
1270 #else
1271     omr->msg_event = CreateEventW(NULL, FALSE, FALSE, NULL);
1272 #endif
1273     omr->ring_buffer_size = OSS_RING_BUFFER_INCREMENT;
1274     omr->messages = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,omr->ring_buffer_size * sizeof(OSS_MSG));
1275     InitializeCriticalSection(&omr->msg_crst);
1276     omr->msg_crst.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": OSS_MSG_RING.msg_crst");
1277     return 0;
1278 }
1279
1280 /******************************************************************
1281  *              OSS_DestroyRingMessage
1282  *
1283  */
1284 static int OSS_DestroyRingMessage(OSS_MSG_RING* omr)
1285 {
1286 #ifdef USE_PIPE_SYNC
1287     close(omr->msg_pipe[0]);
1288     close(omr->msg_pipe[1]);
1289 #else
1290     CloseHandle(omr->msg_event);
1291 #endif
1292     HeapFree(GetProcessHeap(),0,omr->messages);
1293     omr->msg_crst.DebugInfo->Spare[0] = 0;
1294     DeleteCriticalSection(&omr->msg_crst);
1295     return 0;
1296 }
1297
1298 /******************************************************************
1299  *              OSS_AddRingMessage
1300  *
1301  * Inserts a new message into the ring (should be called from DriverProc derived routines)
1302  */
1303 static int OSS_AddRingMessage(OSS_MSG_RING* omr, enum win_wm_message msg, DWORD param, BOOL wait)
1304 {
1305     HANDLE      hEvent = INVALID_HANDLE_VALUE;
1306
1307     EnterCriticalSection(&omr->msg_crst);
1308     if ((omr->msg_toget == ((omr->msg_tosave + 1) % omr->ring_buffer_size)))
1309     {
1310         int old_ring_buffer_size = omr->ring_buffer_size;
1311         omr->ring_buffer_size += OSS_RING_BUFFER_INCREMENT;
1312         TRACE("omr->ring_buffer_size=%d\n",omr->ring_buffer_size);
1313         omr->messages = HeapReAlloc(GetProcessHeap(),0,omr->messages, omr->ring_buffer_size * sizeof(OSS_MSG));
1314         /* Now we need to rearrange the ring buffer so that the new
1315            buffers just allocated are in between omr->msg_tosave and
1316            omr->msg_toget.
1317         */
1318         if (omr->msg_tosave < omr->msg_toget)
1319         {
1320             memmove(&(omr->messages[omr->msg_toget + OSS_RING_BUFFER_INCREMENT]),
1321                     &(omr->messages[omr->msg_toget]),
1322                     sizeof(OSS_MSG)*(old_ring_buffer_size - omr->msg_toget)
1323                     );
1324             omr->msg_toget += OSS_RING_BUFFER_INCREMENT;
1325         }
1326     }
1327     if (wait)
1328     {
1329         hEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
1330         if (hEvent == INVALID_HANDLE_VALUE)
1331         {
1332             ERR("can't create event !?\n");
1333             LeaveCriticalSection(&omr->msg_crst);
1334             return 0;
1335         }
1336         if (omr->msg_toget != omr->msg_tosave && omr->messages[omr->msg_toget].msg != WINE_WM_HEADER)
1337             FIXME("two fast messages in the queue!!!! toget = %d(%s), tosave=%d(%s)\n",
1338             omr->msg_toget,getCmdString(omr->messages[omr->msg_toget].msg),
1339             omr->msg_tosave,getCmdString(omr->messages[omr->msg_tosave].msg));
1340
1341         /* fast messages have to be added at the start of the queue */
1342         omr->msg_toget = (omr->msg_toget + omr->ring_buffer_size - 1) % omr->ring_buffer_size;
1343         omr->messages[omr->msg_toget].msg = msg;
1344         omr->messages[omr->msg_toget].param = param;
1345         omr->messages[omr->msg_toget].hEvent = hEvent;
1346     }
1347     else
1348     {
1349         omr->messages[omr->msg_tosave].msg = msg;
1350         omr->messages[omr->msg_tosave].param = param;
1351         omr->messages[omr->msg_tosave].hEvent = INVALID_HANDLE_VALUE;
1352         omr->msg_tosave = (omr->msg_tosave + 1) % omr->ring_buffer_size;
1353     }
1354     LeaveCriticalSection(&omr->msg_crst);
1355     /* signal a new message */
1356     SIGNAL_OMR(omr);
1357     if (wait)
1358     {
1359         /* wait for playback/record thread to have processed the message */
1360         WaitForSingleObject(hEvent, INFINITE);
1361         CloseHandle(hEvent);
1362     }
1363     return 1;
1364 }
1365
1366 /******************************************************************
1367  *              OSS_RetrieveRingMessage
1368  *
1369  * Get a message from the ring. Should be called by the playback/record thread.
1370  */
1371 static int OSS_RetrieveRingMessage(OSS_MSG_RING* omr,
1372                                    enum win_wm_message *msg, DWORD_PTR *param, HANDLE *hEvent)
1373 {
1374     EnterCriticalSection(&omr->msg_crst);
1375
1376     if (omr->msg_toget == omr->msg_tosave) /* buffer empty ? */
1377     {
1378         LeaveCriticalSection(&omr->msg_crst);
1379         return 0;
1380     }
1381
1382     *msg = omr->messages[omr->msg_toget].msg;
1383     omr->messages[omr->msg_toget].msg = 0;
1384     *param = omr->messages[omr->msg_toget].param;
1385     *hEvent = omr->messages[omr->msg_toget].hEvent;
1386     omr->msg_toget = (omr->msg_toget + 1) % omr->ring_buffer_size;
1387     CLEAR_OMR(omr);
1388     LeaveCriticalSection(&omr->msg_crst);
1389     return 1;
1390 }
1391
1392 /******************************************************************
1393  *              OSS_PeekRingMessage
1394  *
1395  * Peek at a message from the ring but do not remove it.
1396  * Should be called by the playback/record thread.
1397  */
1398 static int OSS_PeekRingMessage(OSS_MSG_RING* omr,
1399                                enum win_wm_message *msg,
1400                                DWORD_PTR *param, HANDLE *hEvent)
1401 {
1402     EnterCriticalSection(&omr->msg_crst);
1403
1404     if (omr->msg_toget == omr->msg_tosave) /* buffer empty ? */
1405     {
1406         LeaveCriticalSection(&omr->msg_crst);
1407         return 0;
1408     }
1409
1410     *msg = omr->messages[omr->msg_toget].msg;
1411     *param = omr->messages[omr->msg_toget].param;
1412     *hEvent = omr->messages[omr->msg_toget].hEvent;
1413     LeaveCriticalSection(&omr->msg_crst);
1414     return 1;
1415 }
1416
1417 /*======================================================================*
1418  *                  Low level WAVE OUT implementation                   *
1419  *======================================================================*/
1420
1421 /**************************************************************************
1422  *                      wodNotifyClient                 [internal]
1423  */
1424 static DWORD wodNotifyClient(WINE_WAVEOUT* wwo, WORD wMsg, DWORD_PTR dwParam1, DWORD_PTR dwParam2)
1425 {
1426     TRACE("wMsg = 0x%04x (%s) dwParm1 = %04lx dwParam2 = %04lx\n", wMsg,
1427         wMsg == WOM_OPEN ? "WOM_OPEN" : wMsg == WOM_CLOSE ? "WOM_CLOSE" :
1428         wMsg == WOM_DONE ? "WOM_DONE" : "Unknown", dwParam1, dwParam2);
1429
1430     switch (wMsg) {
1431     case WOM_OPEN:
1432     case WOM_CLOSE:
1433     case WOM_DONE:
1434         if (wwo->wFlags != DCB_NULL &&
1435             !DriverCallback(wwo->waveDesc.dwCallback, wwo->wFlags,
1436                             (HDRVR)wwo->waveDesc.hWave, wMsg,
1437                             wwo->waveDesc.dwInstance, dwParam1, dwParam2)) {
1438             WARN("can't notify client !\n");
1439             return MMSYSERR_ERROR;
1440         }
1441         break;
1442     default:
1443         FIXME("Unknown callback message %u\n", wMsg);
1444         return MMSYSERR_INVALPARAM;
1445     }
1446     return MMSYSERR_NOERROR;
1447 }
1448
1449 /**************************************************************************
1450  *                              wodUpdatePlayedTotal    [internal]
1451  *
1452  */
1453 static BOOL wodUpdatePlayedTotal(WINE_WAVEOUT* wwo, audio_buf_info* info)
1454 {
1455     audio_buf_info dspspace;
1456     DWORD notplayed;
1457     if (!info) info = &dspspace;
1458
1459     if (ioctl(wwo->ossdev.fd, SNDCTL_DSP_GETOSPACE, info) < 0) {
1460         ERR("ioctl(%s, SNDCTL_DSP_GETOSPACE) failed (%s)\n", wwo->ossdev.dev_name, strerror(errno));
1461         return FALSE;
1462     }
1463
1464     /* GETOSPACE is not always accurate when we're down to the last fragment or two;
1465     **   we try to accommodate that here by assuming that the dsp is empty by looking
1466     **   at the clock rather than the result of GETOSPACE */
1467     notplayed = wwo->dwBufferSize - info->bytes;
1468     if (notplayed > 0 && notplayed < (info->fragsize * 2))
1469     {
1470         if (wwo->dwProjectedFinishTime && GetTickCount() >= wwo->dwProjectedFinishTime)
1471         {
1472             TRACE("Adjusting for a presumed OSS bug and assuming all data has been played.\n");
1473             wwo->dwPlayedTotal = wwo->dwWrittenTotal;
1474             return TRUE;
1475         }
1476         else
1477             /* Some OSS drivers will clean up nicely if given a POST, so give 'em the chance... */
1478             ioctl(wwo->ossdev.fd, SNDCTL_DSP_POST, 0);
1479     }
1480
1481     wwo->dwPlayedTotal = wwo->dwWrittenTotal - notplayed;
1482     return TRUE;
1483 }
1484
1485 /**************************************************************************
1486  *                              wodPlayer_BeginWaveHdr          [internal]
1487  *
1488  * Makes the specified lpWaveHdr the currently playing wave header.
1489  * If the specified wave header is a begin loop and we're not already in
1490  * a loop, setup the loop.
1491  */
1492 static void wodPlayer_BeginWaveHdr(WINE_WAVEOUT* wwo, LPWAVEHDR lpWaveHdr)
1493 {
1494     wwo->lpPlayPtr = lpWaveHdr;
1495
1496     if (!lpWaveHdr) return;
1497
1498     if (lpWaveHdr->dwFlags & WHDR_BEGINLOOP) {
1499         if (wwo->lpLoopPtr) {
1500             WARN("Already in a loop. Discarding loop on this header (%p)\n", lpWaveHdr);
1501         } else {
1502             TRACE("Starting loop (%dx) with %p\n", lpWaveHdr->dwLoops, lpWaveHdr);
1503             wwo->lpLoopPtr = lpWaveHdr;
1504             /* Windows does not touch WAVEHDR.dwLoops,
1505              * so we need to make an internal copy */
1506             wwo->dwLoops = lpWaveHdr->dwLoops;
1507         }
1508     }
1509     wwo->dwPartialOffset = 0;
1510 }
1511
1512 /**************************************************************************
1513  *                              wodPlayer_PlayPtrNext           [internal]
1514  *
1515  * Advance the play pointer to the next waveheader, looping if required.
1516  */
1517 static LPWAVEHDR wodPlayer_PlayPtrNext(WINE_WAVEOUT* wwo)
1518 {
1519     LPWAVEHDR lpWaveHdr = wwo->lpPlayPtr;
1520
1521     wwo->dwPartialOffset = 0;
1522     if ((lpWaveHdr->dwFlags & WHDR_ENDLOOP) && wwo->lpLoopPtr) {
1523         /* We're at the end of a loop, loop if required */
1524         if (--wwo->dwLoops > 0) {
1525             wwo->lpPlayPtr = wwo->lpLoopPtr;
1526         } else {
1527             /* Handle overlapping loops correctly */
1528             if (wwo->lpLoopPtr != lpWaveHdr && (lpWaveHdr->dwFlags & WHDR_BEGINLOOP)) {
1529                 FIXME("Correctly handled case ? (ending loop buffer also starts a new loop)\n");
1530                 /* shall we consider the END flag for the closing loop or for
1531                  * the opening one or for both ???
1532                  * code assumes for closing loop only
1533                  */
1534             } else {
1535                 lpWaveHdr = lpWaveHdr->lpNext;
1536             }
1537             wwo->lpLoopPtr = NULL;
1538             wodPlayer_BeginWaveHdr(wwo, lpWaveHdr);
1539         }
1540     } else {
1541         /* We're not in a loop.  Advance to the next wave header */
1542         wodPlayer_BeginWaveHdr(wwo, lpWaveHdr = lpWaveHdr->lpNext);
1543     }
1544
1545     return lpWaveHdr;
1546 }
1547
1548 /**************************************************************************
1549  *                           wodPlayer_TicksTillEmpty           [internal]
1550  * Returns the number of ticks until we think the DSP should be empty
1551  */
1552 static DWORD wodPlayer_TicksTillEmpty(const WINE_WAVEOUT *wwo)
1553 {
1554     return ((wwo->dwWrittenTotal - wwo->dwPlayedTotal) * 1000)
1555         / wwo->waveFormat.Format.nAvgBytesPerSec;
1556 }
1557
1558 /**************************************************************************
1559  *                           wodPlayer_DSPWait                  [internal]
1560  * Returns the number of milliseconds to wait for the DSP buffer to write
1561  * one fragment.
1562  */
1563 static DWORD wodPlayer_DSPWait(const WINE_WAVEOUT *wwo)
1564 {
1565     /* time for one fragment to be played */
1566     return wwo->dwFragmentSize * 1000 / wwo->waveFormat.Format.nAvgBytesPerSec;
1567 }
1568
1569 /**************************************************************************
1570  *                           wodPlayer_NotifyWait               [internal]
1571  * Returns the number of milliseconds to wait before attempting to notify
1572  * completion of the specified wavehdr.
1573  * This is based on the number of bytes remaining to be written in the
1574  * wave.
1575  */
1576 static DWORD wodPlayer_NotifyWait(const WINE_WAVEOUT* wwo, LPWAVEHDR lpWaveHdr)
1577 {
1578     DWORD dwMillis;
1579
1580     if (lpWaveHdr->reserved < wwo->dwPlayedTotal) {
1581         dwMillis = 1;
1582     } else {
1583         dwMillis = (lpWaveHdr->reserved - wwo->dwPlayedTotal) * 1000 / wwo->waveFormat.Format.nAvgBytesPerSec;
1584         if (!dwMillis) dwMillis = 1;
1585     }
1586
1587     return dwMillis;
1588 }
1589
1590
1591 /**************************************************************************
1592  *                           wodPlayer_WriteMaxFrags            [internal]
1593  * Writes the maximum number of bytes possible to the DSP and returns
1594  * TRUE iff the current playPtr has been fully played
1595  */
1596 static BOOL wodPlayer_WriteMaxFrags(WINE_WAVEOUT* wwo, DWORD* bytes)
1597 {
1598     DWORD       dwLength = wwo->lpPlayPtr->dwBufferLength - wwo->dwPartialOffset;
1599     DWORD       toWrite = min(dwLength, *bytes);
1600     int         written;
1601     BOOL        ret = FALSE;
1602
1603     TRACE("Writing wavehdr %p.%u[%u]/%u\n",
1604           wwo->lpPlayPtr, wwo->dwPartialOffset, wwo->lpPlayPtr->dwBufferLength, toWrite);
1605
1606     if (toWrite > 0)
1607     {
1608         written = write(wwo->ossdev.fd, wwo->lpPlayPtr->lpData + wwo->dwPartialOffset, toWrite);
1609         if (written <= 0) {
1610             TRACE("write(%s, %p, %d) failed (%s) returned %d\n", wwo->ossdev.dev_name,
1611                 wwo->lpPlayPtr->lpData + wwo->dwPartialOffset, toWrite, strerror(errno), written);
1612             return FALSE;
1613         }
1614     }
1615     else
1616         written = 0;
1617
1618     if (written >= dwLength) {
1619         /* If we wrote all current wavehdr, skip to the next one */
1620         wodPlayer_PlayPtrNext(wwo);
1621         ret = TRUE;
1622     } else {
1623         /* Remove the amount written */
1624         wwo->dwPartialOffset += written;
1625     }
1626     *bytes -= written;
1627     wwo->dwWrittenTotal += written;
1628     TRACE("dwWrittenTotal=%u\n", wwo->dwWrittenTotal);
1629     return ret;
1630 }
1631
1632
1633 /**************************************************************************
1634  *                              wodPlayer_NotifyCompletions     [internal]
1635  *
1636  * Notifies and remove from queue all wavehdrs which have been played to
1637  * the speaker (ie. they have cleared the OSS buffer).  If force is true,
1638  * we notify all wavehdrs and remove them all from the queue even if they
1639  * are unplayed or part of a loop.
1640  */
1641 static DWORD wodPlayer_NotifyCompletions(WINE_WAVEOUT* wwo, BOOL force)
1642 {
1643     LPWAVEHDR           lpWaveHdr;
1644
1645     /* Start from lpQueuePtr and keep notifying until:
1646      * - we hit an unwritten wavehdr
1647      * - we hit the beginning of a running loop
1648      * - we hit a wavehdr which hasn't finished playing
1649      */
1650 #if 0
1651     while ((lpWaveHdr = wwo->lpQueuePtr) && 
1652            (force || 
1653             (lpWaveHdr != wwo->lpPlayPtr &&
1654              lpWaveHdr != wwo->lpLoopPtr &&
1655              lpWaveHdr->reserved <= wwo->dwPlayedTotal))) {
1656
1657         wwo->lpQueuePtr = lpWaveHdr->lpNext;
1658
1659         lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
1660         lpWaveHdr->dwFlags |= WHDR_DONE;
1661
1662         wodNotifyClient(wwo, WOM_DONE, (DWORD)lpWaveHdr, 0);
1663     }
1664 #else
1665     for (;;)
1666     {
1667         lpWaveHdr = wwo->lpQueuePtr;
1668         if (!lpWaveHdr) {TRACE("Empty queue\n"); break;}
1669         if (!force)
1670         {
1671             if (lpWaveHdr == wwo->lpPlayPtr) {TRACE("play %p\n", lpWaveHdr); break;}
1672             if (lpWaveHdr == wwo->lpLoopPtr) {TRACE("loop %p\n", lpWaveHdr); break;}
1673             if (lpWaveHdr->reserved > wwo->dwPlayedTotal) {TRACE("still playing %p (%lu/%u)\n", lpWaveHdr, lpWaveHdr->reserved, wwo->dwPlayedTotal);break;}
1674         }
1675         wwo->lpQueuePtr = lpWaveHdr->lpNext;
1676
1677         lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
1678         lpWaveHdr->dwFlags |= WHDR_DONE;
1679
1680         wodNotifyClient(wwo, WOM_DONE, (DWORD_PTR)lpWaveHdr, 0);
1681     }
1682 #endif
1683     return  (lpWaveHdr && lpWaveHdr != wwo->lpPlayPtr && lpWaveHdr != wwo->lpLoopPtr) ? 
1684         wodPlayer_NotifyWait(wwo, lpWaveHdr) : INFINITE;
1685 }
1686
1687 /**************************************************************************
1688  *                              wodPlayer_Reset                 [internal]
1689  *
1690  * wodPlayer helper. Resets current output stream.
1691  */
1692 static  void    wodPlayer_Reset(WINE_WAVEOUT* wwo, BOOL reset)
1693 {
1694     wodUpdatePlayedTotal(wwo, NULL);
1695     /* updates current notify list */
1696     wodPlayer_NotifyCompletions(wwo, FALSE);
1697
1698     /* flush all possible output */
1699     if (OSS_ResetDevice(&wwo->ossdev) != MMSYSERR_NOERROR)
1700     {
1701         wwo->hThread = 0;
1702         wwo->state = WINE_WS_STOPPED;
1703         ExitThread(-1);
1704     }
1705
1706     if (reset) {
1707         enum win_wm_message     msg;
1708         DWORD_PTR               param;
1709         HANDLE                  ev;
1710
1711         /* remove any buffer */
1712         wodPlayer_NotifyCompletions(wwo, TRUE);
1713
1714         wwo->lpPlayPtr = wwo->lpQueuePtr = wwo->lpLoopPtr = NULL;
1715         wwo->state = WINE_WS_STOPPED;
1716         wwo->dwPlayedTotal = wwo->dwWrittenTotal = 0;
1717         /* Clear partial wavehdr */
1718         wwo->dwPartialOffset = 0;
1719
1720         /* remove any existing message in the ring */
1721         EnterCriticalSection(&wwo->msgRing.msg_crst);
1722         /* return all pending headers in queue */
1723         while (OSS_RetrieveRingMessage(&wwo->msgRing, &msg, &param, &ev))
1724         {
1725             if (msg != WINE_WM_HEADER)
1726             {
1727                 FIXME("shouldn't have headers left\n");
1728                 SetEvent(ev);
1729                 continue;
1730             }
1731             ((LPWAVEHDR)param)->dwFlags &= ~WHDR_INQUEUE;
1732             ((LPWAVEHDR)param)->dwFlags |= WHDR_DONE;
1733
1734             wodNotifyClient(wwo, WOM_DONE, param, 0);
1735         }
1736         RESET_OMR(&wwo->msgRing);
1737         LeaveCriticalSection(&wwo->msgRing.msg_crst);
1738     } else {
1739         if (wwo->lpLoopPtr) {
1740             /* complicated case, not handled yet (could imply modifying the loop counter */
1741             FIXME("Pausing while in loop isn't correctly handled yet, expect strange results\n");
1742             wwo->lpPlayPtr = wwo->lpLoopPtr;
1743             wwo->dwPartialOffset = 0;
1744             wwo->dwWrittenTotal = wwo->dwPlayedTotal; /* this is wrong !!! */
1745         } else {
1746             LPWAVEHDR   ptr;
1747             DWORD       sz = wwo->dwPartialOffset;
1748
1749             /* reset all the data as if we had written only up to lpPlayedTotal bytes */
1750             /* compute the max size playable from lpQueuePtr */
1751             for (ptr = wwo->lpQueuePtr; ptr != wwo->lpPlayPtr; ptr = ptr->lpNext) {
1752                 sz += ptr->dwBufferLength;
1753             }
1754             /* because the reset lpPlayPtr will be lpQueuePtr */
1755             if (wwo->dwWrittenTotal > wwo->dwPlayedTotal + sz) ERR("grin\n");
1756             wwo->dwPartialOffset = sz - (wwo->dwWrittenTotal - wwo->dwPlayedTotal);
1757             wwo->dwWrittenTotal = wwo->dwPlayedTotal;
1758             wwo->lpPlayPtr = wwo->lpQueuePtr;
1759         }
1760         wwo->state = WINE_WS_PAUSED;
1761     }
1762 }
1763
1764 /**************************************************************************
1765  *                    wodPlayer_ProcessMessages                 [internal]
1766  */
1767 static void wodPlayer_ProcessMessages(WINE_WAVEOUT* wwo)
1768 {
1769     LPWAVEHDR           lpWaveHdr;
1770     enum win_wm_message msg;
1771     DWORD_PTR           param;
1772     HANDLE              ev;
1773
1774     while (OSS_RetrieveRingMessage(&wwo->msgRing, &msg, &param, &ev)) {
1775         TRACE("Received %s %lx\n", getCmdString(msg), param);
1776         switch (msg) {
1777         case WINE_WM_PAUSING:
1778             wodPlayer_Reset(wwo, FALSE);
1779             SetEvent(ev);
1780             break;
1781         case WINE_WM_RESTARTING:
1782             if (wwo->state == WINE_WS_PAUSED)
1783             {
1784                 wwo->state = WINE_WS_PLAYING;
1785             }
1786             SetEvent(ev);
1787             break;
1788         case WINE_WM_HEADER:
1789             lpWaveHdr = (LPWAVEHDR)param;
1790
1791             /* insert buffer at the end of queue */
1792             {
1793                 LPWAVEHDR*      wh;
1794                 for (wh = &(wwo->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
1795                 *wh = lpWaveHdr;
1796             }
1797             if (!wwo->lpPlayPtr)
1798                 wodPlayer_BeginWaveHdr(wwo,lpWaveHdr);
1799             if (wwo->state == WINE_WS_STOPPED)
1800                 wwo->state = WINE_WS_PLAYING;
1801             break;
1802         case WINE_WM_RESETTING:
1803             wodPlayer_Reset(wwo, TRUE);
1804             SetEvent(ev);
1805             break;
1806         case WINE_WM_UPDATE:
1807             wodUpdatePlayedTotal(wwo, NULL);
1808             SetEvent(ev);
1809             break;
1810         case WINE_WM_BREAKLOOP:
1811             if (wwo->state == WINE_WS_PLAYING && wwo->lpLoopPtr != NULL) {
1812                 /* ensure exit at end of current loop */
1813                 wwo->dwLoops = 1;
1814             }
1815             SetEvent(ev);
1816             break;
1817         case WINE_WM_CLOSING:
1818             /* sanity check: this should not happen since the device must have been reset before */
1819             if (wwo->lpQueuePtr || wwo->lpPlayPtr) ERR("out of sync\n");
1820             wwo->hThread = 0;
1821             wwo->state = WINE_WS_CLOSED;
1822             SetEvent(ev);
1823             ExitThread(0);
1824             /* shouldn't go here */
1825         default:
1826             FIXME("unknown message %d\n", msg);
1827             break;
1828         }
1829     }
1830 }
1831
1832 /**************************************************************************
1833  *                           wodPlayer_FeedDSP                  [internal]
1834  * Feed as much sound data as we can into the DSP and return the number of
1835  * milliseconds before it will be necessary to feed the DSP again.
1836  */
1837 static DWORD wodPlayer_FeedDSP(WINE_WAVEOUT* wwo)
1838 {
1839     audio_buf_info dspspace;
1840     DWORD       availInQ;
1841
1842     if (!wodUpdatePlayedTotal(wwo, &dspspace)) return INFINITE;
1843     availInQ = dspspace.bytes;
1844     TRACE("fragments=%d/%d, fragsize=%d, bytes=%d\n",
1845           dspspace.fragments, dspspace.fragstotal, dspspace.fragsize, dspspace.bytes);
1846
1847     /* no more room... no need to try to feed */
1848     if (dspspace.fragments != 0) {
1849         /* Feed from partial wavehdr */
1850         if (wwo->lpPlayPtr && wwo->dwPartialOffset != 0) {
1851             wodPlayer_WriteMaxFrags(wwo, &availInQ);
1852         }
1853
1854         /* Feed wavehdrs until we run out of wavehdrs or DSP space */
1855         if (wwo->dwPartialOffset == 0 && wwo->lpPlayPtr) {
1856             do {
1857                 TRACE("Setting time to elapse for %p to %u\n",
1858                       wwo->lpPlayPtr, wwo->dwWrittenTotal + wwo->lpPlayPtr->dwBufferLength);
1859                 /* note the value that dwPlayedTotal will return when this wave finishes playing */
1860                 wwo->lpPlayPtr->reserved = wwo->dwWrittenTotal + wwo->lpPlayPtr->dwBufferLength;
1861             } while (wodPlayer_WriteMaxFrags(wwo, &availInQ) && wwo->lpPlayPtr && availInQ > 0);
1862         }
1863
1864         if (wwo->bNeedPost) {
1865             /* OSS doesn't start before it gets either 2 fragments or a SNDCTL_DSP_POST;
1866              * if it didn't get one, we give it the other */
1867             if (wwo->dwBufferSize < availInQ + 2 * wwo->dwFragmentSize)
1868                 ioctl(wwo->ossdev.fd, SNDCTL_DSP_POST, 0);
1869             wwo->bNeedPost = FALSE;
1870         }
1871     }
1872
1873     return wodPlayer_DSPWait(wwo);
1874 }
1875
1876
1877 /**************************************************************************
1878  *                              wodPlayer                       [internal]
1879  */
1880 static  DWORD   CALLBACK        wodPlayer(LPVOID pmt)
1881 {
1882     WORD          uDevID = (DWORD_PTR)pmt;
1883     WINE_WAVEOUT* wwo = &WOutDev[uDevID];
1884     DWORD         dwNextFeedTime = INFINITE;   /* Time before DSP needs feeding */
1885     DWORD         dwNextNotifyTime = INFINITE; /* Time before next wave completion */
1886     DWORD         dwSleepTime;
1887
1888     wwo->state = WINE_WS_STOPPED;
1889     SetEvent(wwo->hStartUpEvent);
1890
1891     for (;;) {
1892         /** Wait for the shortest time before an action is required.  If there
1893          *  are no pending actions, wait forever for a command.
1894          */
1895         dwSleepTime = min(dwNextFeedTime, dwNextNotifyTime);
1896         TRACE("waiting %ums (%u,%u)\n", dwSleepTime, dwNextFeedTime, dwNextNotifyTime);
1897         WAIT_OMR(&wwo->msgRing, dwSleepTime);
1898         wodPlayer_ProcessMessages(wwo);
1899         if (wwo->state == WINE_WS_PLAYING) {
1900             dwNextFeedTime = wodPlayer_FeedDSP(wwo);
1901             if (dwNextFeedTime != INFINITE)
1902                 wwo->dwProjectedFinishTime = GetTickCount() + wodPlayer_TicksTillEmpty(wwo);
1903             else
1904                 wwo->dwProjectedFinishTime = 0;
1905
1906             dwNextNotifyTime = wodPlayer_NotifyCompletions(wwo, FALSE);
1907             if (dwNextFeedTime == INFINITE) {
1908                 /* FeedDSP ran out of data, but before flushing, */
1909                 /* check that a notification didn't give us more */
1910                 wodPlayer_ProcessMessages(wwo);
1911                 if (!wwo->lpPlayPtr) {
1912                     TRACE("flushing\n");
1913                     ioctl(wwo->ossdev.fd, SNDCTL_DSP_SYNC, 0);
1914                     wwo->dwPlayedTotal = wwo->dwWrittenTotal;
1915                     dwNextNotifyTime = wodPlayer_NotifyCompletions(wwo, FALSE);
1916                 } else {
1917                     TRACE("recovering\n");
1918                     dwNextFeedTime = wodPlayer_FeedDSP(wwo);
1919                 }
1920             }
1921         } else {
1922             dwNextFeedTime = dwNextNotifyTime = INFINITE;
1923         }
1924     }
1925
1926     return 0;
1927 }
1928
1929 /**************************************************************************
1930  *                      wodGetDevCaps                           [internal]
1931  */
1932 static DWORD wodGetDevCaps(WORD wDevID, LPWAVEOUTCAPSW lpCaps, DWORD dwSize)
1933 {
1934     TRACE("(%u, %p, %u);\n", wDevID, lpCaps, dwSize);
1935
1936     if (lpCaps == NULL) {
1937         WARN("not enabled\n");
1938         return MMSYSERR_NOTENABLED;
1939     }
1940
1941     if (wDevID >= numOutDev) {
1942         WARN("numOutDev reached !\n");
1943         return MMSYSERR_BADDEVICEID;
1944     }
1945
1946     if (WOutDev[wDevID].ossdev.open_access == O_RDWR)
1947         memcpy(lpCaps, &WOutDev[wDevID].ossdev.duplex_out_caps, min(dwSize, sizeof(*lpCaps)));
1948     else
1949         memcpy(lpCaps, &WOutDev[wDevID].ossdev.out_caps, min(dwSize, sizeof(*lpCaps)));
1950
1951     return MMSYSERR_NOERROR;
1952 }
1953
1954 /**************************************************************************
1955  *                              wodOpen                         [internal]
1956  */
1957 static DWORD wodOpen(WORD wDevID, LPWAVEOPENDESC lpDesc, DWORD dwFlags)
1958 {
1959     int                 audio_fragment;
1960     WINE_WAVEOUT*       wwo;
1961     audio_buf_info      info;
1962     DWORD               ret;
1963
1964     TRACE("(%u, %p[cb=%08lx], %08X);\n", wDevID, lpDesc, lpDesc->dwCallback, dwFlags);
1965     if (lpDesc == NULL) {
1966         WARN("Invalid Parameter !\n");
1967         return MMSYSERR_INVALPARAM;
1968     }
1969     if (wDevID >= numOutDev) {
1970         TRACE("MAX_WAVOUTDRV reached !\n");
1971         return MMSYSERR_BADDEVICEID;
1972     }
1973
1974     /* only PCM format is supported so far... */
1975     if (!supportedFormat(lpDesc->lpFormat)) {
1976         WARN("Bad format: tag=%04X nChannels=%d nSamplesPerSec=%d !\n",
1977              lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
1978              lpDesc->lpFormat->nSamplesPerSec);
1979         return WAVERR_BADFORMAT;
1980     }
1981
1982     if (dwFlags & WAVE_FORMAT_QUERY) {
1983         TRACE("Query format: tag=%04X nChannels=%d nSamplesPerSec=%d !\n",
1984              lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
1985              lpDesc->lpFormat->nSamplesPerSec);
1986         return MMSYSERR_NOERROR;
1987     }
1988
1989     /* nBlockAlign and nAvgBytesPerSec are output variables for dsound */
1990     if (lpDesc->lpFormat->nBlockAlign != lpDesc->lpFormat->nChannels*lpDesc->lpFormat->wBitsPerSample/8) {
1991         lpDesc->lpFormat->nBlockAlign  = lpDesc->lpFormat->nChannels*lpDesc->lpFormat->wBitsPerSample/8;
1992         WARN("Fixing nBlockAlign\n");
1993     }
1994     if (lpDesc->lpFormat->nAvgBytesPerSec!= lpDesc->lpFormat->nSamplesPerSec*lpDesc->lpFormat->nBlockAlign) {
1995         lpDesc->lpFormat->nAvgBytesPerSec = lpDesc->lpFormat->nSamplesPerSec*lpDesc->lpFormat->nBlockAlign;
1996         WARN("Fixing nAvgBytesPerSec\n");
1997     }
1998
1999     TRACE("OSS_OpenDevice requested this format: %dx%dx%d %s\n",
2000           lpDesc->lpFormat->nSamplesPerSec,
2001           lpDesc->lpFormat->wBitsPerSample,
2002           lpDesc->lpFormat->nChannels,
2003           lpDesc->lpFormat->wFormatTag == WAVE_FORMAT_PCM ? "WAVE_FORMAT_PCM" :
2004           lpDesc->lpFormat->wFormatTag == WAVE_FORMAT_EXTENSIBLE ? "WAVE_FORMAT_EXTENSIBLE" :
2005           "UNSUPPORTED");
2006
2007     wwo = &WOutDev[wDevID];
2008
2009     if ((dwFlags & WAVE_DIRECTSOUND) &&
2010         !(wwo->ossdev.duplex_out_caps.dwSupport & WAVECAPS_DIRECTSOUND))
2011         /* not supported, ignore it */
2012         dwFlags &= ~WAVE_DIRECTSOUND;
2013
2014     if (dwFlags & WAVE_DIRECTSOUND) {
2015         if (wwo->ossdev.duplex_out_caps.dwSupport & WAVECAPS_SAMPLEACCURATE)
2016             /* we have realtime DirectSound, fragments just waste our time,
2017              * but a large buffer is good, so choose 64KB (32 * 2^11) */
2018             audio_fragment = 0x0020000B;
2019         else
2020             /* to approximate realtime, we must use small fragments,
2021              * let's try to fragment the above 64KB (256 * 2^8) */
2022             audio_fragment = 0x01000008;
2023     } else {
2024         /* A wave device must have a worst case latency of 10 ms so calculate
2025          * the largest fragment size less than 10 ms long.
2026          */
2027         int     fsize = lpDesc->lpFormat->nAvgBytesPerSec / 100;        /* 10 ms chunk */
2028         int     shift = 0;
2029         while ((1 << shift) <= fsize)
2030             shift++;
2031         shift--;
2032         audio_fragment = 0x00100000 + shift;    /* 16 fragments of 2^shift */
2033     }
2034
2035     TRACE("requesting %d %d byte fragments (%d ms/fragment)\n",
2036         audio_fragment >> 16, 1 << (audio_fragment & 0xffff),
2037         ((1 << (audio_fragment & 0xffff)) * 1000) / lpDesc->lpFormat->nAvgBytesPerSec);
2038
2039     if (wwo->state != WINE_WS_CLOSED) {
2040         WARN("already allocated\n");
2041         return MMSYSERR_ALLOCATED;
2042     }
2043
2044     /* we want to be able to mmap() the device, which means it must be opened readable,
2045      * otherwise mmap() will fail (at least under Linux) */
2046     ret = OSS_OpenDevice(&wwo->ossdev,
2047                          (dwFlags & WAVE_DIRECTSOUND) ? O_RDWR : O_WRONLY,
2048                          &audio_fragment,
2049                          (dwFlags & WAVE_DIRECTSOUND) ? 0 : 1,
2050                          lpDesc->lpFormat->nSamplesPerSec,
2051                          lpDesc->lpFormat->nChannels,
2052                          (lpDesc->lpFormat->wBitsPerSample == 16)
2053                              ? AFMT_S16_LE : AFMT_U8);
2054     if ((ret==MMSYSERR_NOERROR) && (dwFlags & WAVE_DIRECTSOUND)) {
2055         lpDesc->lpFormat->nSamplesPerSec=wwo->ossdev.sample_rate;
2056         lpDesc->lpFormat->nChannels=wwo->ossdev.channels;
2057         lpDesc->lpFormat->wBitsPerSample=(wwo->ossdev.format == AFMT_U8 ? 8 : 16);
2058         lpDesc->lpFormat->nBlockAlign=lpDesc->lpFormat->nChannels*lpDesc->lpFormat->wBitsPerSample/8;
2059         lpDesc->lpFormat->nAvgBytesPerSec=lpDesc->lpFormat->nSamplesPerSec*lpDesc->lpFormat->nBlockAlign;
2060         TRACE("OSS_OpenDevice returned this format: %dx%dx%d\n",
2061               lpDesc->lpFormat->nSamplesPerSec,
2062               lpDesc->lpFormat->wBitsPerSample,
2063               lpDesc->lpFormat->nChannels);
2064     }
2065     if (ret != 0) return ret;
2066     wwo->state = WINE_WS_STOPPED;
2067
2068     wwo->wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
2069
2070     wwo->waveDesc = *lpDesc;
2071     copy_format(lpDesc->lpFormat, &wwo->waveFormat);
2072
2073     /* Read output space info for future reference */
2074     if (ioctl(wwo->ossdev.fd, SNDCTL_DSP_GETOSPACE, &info) < 0) {
2075         ERR("ioctl(%s, SNDCTL_DSP_GETOSPACE) failed (%s)\n", wwo->ossdev.dev_name, strerror(errno));
2076         OSS_CloseDevice(&wwo->ossdev);
2077         wwo->state = WINE_WS_CLOSED;
2078         return MMSYSERR_NOTENABLED;
2079     }
2080
2081     TRACE("got %d %d byte fragments (%d ms/fragment)\n", info.fragstotal,
2082         info.fragsize, (info.fragsize * 1000) / (wwo->ossdev.sample_rate *
2083         wwo->ossdev.channels * (wwo->ossdev.format == AFMT_U8 ? 1 : 2)));
2084
2085     /* Check that fragsize is correct per our settings above */
2086     if ((info.fragsize > 1024) && (LOWORD(audio_fragment) <= 10)) {
2087         /* we've tried to set 1K fragments or less, but it didn't work */
2088         WARN("fragment size set failed, size is now %d\n", info.fragsize);
2089     }
2090
2091     /* Remember fragsize and total buffer size for future use */
2092     wwo->dwFragmentSize = info.fragsize;
2093     wwo->dwBufferSize = info.fragstotal * info.fragsize;
2094     wwo->dwPlayedTotal = 0;
2095     wwo->dwWrittenTotal = 0;
2096     wwo->bNeedPost = TRUE;
2097
2098     TRACE("fd=%d fragstotal=%d fragsize=%d BufferSize=%d\n",
2099           wwo->ossdev.fd, info.fragstotal, info.fragsize, wwo->dwBufferSize);
2100     if (wwo->dwFragmentSize % wwo->waveFormat.Format.nBlockAlign) {
2101         ERR("Fragment doesn't contain an integral number of data blocks fragsize=%d BlockAlign=%d\n",wwo->dwFragmentSize,wwo->waveFormat.Format.nBlockAlign);
2102         /* Some SoundBlaster 16 cards return an incorrect (odd) fragment
2103          * size for 16 bit sound. This will cause a system crash when we try
2104          * to write just the specified odd number of bytes. So if we
2105          * detect something is wrong we'd better fix it.
2106          */
2107         wwo->dwFragmentSize-=wwo->dwFragmentSize % wwo->waveFormat.Format.nBlockAlign;
2108     }
2109
2110     OSS_InitRingMessage(&wwo->msgRing);
2111
2112     wwo->hStartUpEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
2113     wwo->hThread = CreateThread(NULL, 0, wodPlayer, (LPVOID)(DWORD_PTR)wDevID, 0, &(wwo->dwThreadID));
2114     if (wwo->hThread)
2115         SetThreadPriority(wwo->hThread, THREAD_PRIORITY_TIME_CRITICAL);
2116     WaitForSingleObject(wwo->hStartUpEvent, INFINITE);
2117     CloseHandle(wwo->hStartUpEvent);
2118     wwo->hStartUpEvent = INVALID_HANDLE_VALUE;
2119
2120     TRACE("wBitsPerSample=%u, nAvgBytesPerSec=%u, nSamplesPerSec=%u, nChannels=%u nBlockAlign=%u!\n",
2121           wwo->waveFormat.Format.wBitsPerSample, wwo->waveFormat.Format.nAvgBytesPerSec,
2122           wwo->waveFormat.Format.nSamplesPerSec, wwo->waveFormat.Format.nChannels,
2123           wwo->waveFormat.Format.nBlockAlign);
2124
2125     return wodNotifyClient(wwo, WOM_OPEN, 0L, 0L);
2126 }
2127
2128 /**************************************************************************
2129  *                              wodClose                        [internal]
2130  */
2131 static DWORD wodClose(WORD wDevID)
2132 {
2133     DWORD               ret = MMSYSERR_NOERROR;
2134     WINE_WAVEOUT*       wwo;
2135
2136     TRACE("(%u);\n", wDevID);
2137
2138     if (wDevID >= numOutDev || WOutDev[wDevID].state == WINE_WS_CLOSED) {
2139         WARN("bad device ID !\n");
2140         return MMSYSERR_BADDEVICEID;
2141     }
2142
2143     wwo = &WOutDev[wDevID];
2144     if (wwo->lpQueuePtr) {
2145         WARN("buffers still playing !\n");
2146         ret = WAVERR_STILLPLAYING;
2147     } else {
2148         if (wwo->hThread != INVALID_HANDLE_VALUE) {
2149             OSS_AddRingMessage(&wwo->msgRing, WINE_WM_CLOSING, 0, TRUE);
2150         }
2151
2152         OSS_DestroyRingMessage(&wwo->msgRing);
2153
2154         OSS_CloseDevice(&wwo->ossdev);
2155         wwo->state = WINE_WS_CLOSED;
2156         wwo->dwFragmentSize = 0;
2157         ret = wodNotifyClient(wwo, WOM_CLOSE, 0L, 0L);
2158     }
2159     return ret;
2160 }
2161
2162 /**************************************************************************
2163  *                              wodWrite                        [internal]
2164  *
2165  */
2166 static DWORD wodWrite(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
2167 {
2168     WORD delta;
2169     TRACE("(%u, %p, %08X);\n", wDevID, lpWaveHdr, dwSize);
2170
2171     /* first, do the sanity checks... */
2172     if (wDevID >= numOutDev || WOutDev[wDevID].state == WINE_WS_CLOSED) {
2173         WARN("bad dev ID !\n");
2174         return MMSYSERR_BADDEVICEID;
2175     }
2176
2177     if (lpWaveHdr->lpData == NULL || !(lpWaveHdr->dwFlags & WHDR_PREPARED))
2178         return WAVERR_UNPREPARED;
2179
2180     if (lpWaveHdr->dwFlags & WHDR_INQUEUE)
2181         return WAVERR_STILLPLAYING;
2182
2183     lpWaveHdr->dwFlags &= ~WHDR_DONE;
2184     lpWaveHdr->dwFlags |= WHDR_INQUEUE;
2185     lpWaveHdr->lpNext = 0;
2186
2187     delta = lpWaveHdr->dwBufferLength % WOutDev[wDevID].waveFormat.Format.nBlockAlign;
2188     if (delta != 0)
2189     {
2190         WARN("WaveHdr length isn't a multiple of the PCM block size: %d %% %d\n",lpWaveHdr->dwBufferLength,WOutDev[wDevID].waveFormat.Format.nBlockAlign);
2191         lpWaveHdr->dwBufferLength -= delta;
2192     }
2193
2194     OSS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_HEADER, (DWORD_PTR)lpWaveHdr, FALSE);
2195
2196     return MMSYSERR_NOERROR;
2197 }
2198
2199 /**************************************************************************
2200  *                      wodPause                                [internal]
2201  */
2202 static DWORD wodPause(WORD wDevID)
2203 {
2204     TRACE("(%u);!\n", wDevID);
2205
2206     if (wDevID >= numOutDev || WOutDev[wDevID].state == WINE_WS_CLOSED) {
2207         WARN("bad device ID !\n");
2208         return MMSYSERR_BADDEVICEID;
2209     }
2210
2211     OSS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_PAUSING, 0, TRUE);
2212
2213     return MMSYSERR_NOERROR;
2214 }
2215
2216 /**************************************************************************
2217  *                      wodRestart                              [internal]
2218  */
2219 static DWORD wodRestart(WORD wDevID)
2220 {
2221     TRACE("(%u);\n", wDevID);
2222
2223     if (wDevID >= numOutDev || WOutDev[wDevID].state == WINE_WS_CLOSED) {
2224         WARN("bad device ID !\n");
2225         return MMSYSERR_BADDEVICEID;
2226     }
2227
2228     OSS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_RESTARTING, 0, TRUE);
2229
2230     /* FIXME: is NotifyClient with WOM_DONE right ? (Comet Busters 1.3.3 needs this notification) */
2231     /* FIXME: Myst crashes with this ... hmm -MM
2232        return wodNotifyClient(wwo, WOM_DONE, 0L, 0L);
2233     */
2234
2235     return MMSYSERR_NOERROR;
2236 }
2237
2238 /**************************************************************************
2239  *                      wodReset                                [internal]
2240  */
2241 static DWORD wodReset(WORD wDevID)
2242 {
2243     TRACE("(%u);\n", wDevID);
2244
2245     if (wDevID >= numOutDev || WOutDev[wDevID].state == WINE_WS_CLOSED) {
2246         WARN("bad device ID !\n");
2247         return MMSYSERR_BADDEVICEID;
2248     }
2249
2250     OSS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_RESETTING, 0, TRUE);
2251
2252     return MMSYSERR_NOERROR;
2253 }
2254
2255 /**************************************************************************
2256  *                              wodGetPosition                  [internal]
2257  */
2258 static DWORD wodGetPosition(WORD wDevID, LPMMTIME lpTime, DWORD uSize)
2259 {
2260     WINE_WAVEOUT*       wwo;
2261
2262     TRACE("(%u, %p, %u);\n", wDevID, lpTime, uSize);
2263
2264     if (wDevID >= numOutDev || WOutDev[wDevID].state == WINE_WS_CLOSED) {
2265         WARN("bad device ID !\n");
2266         return MMSYSERR_BADDEVICEID;
2267     }
2268
2269     if (lpTime == NULL) {
2270         WARN("invalid parameter: lpTime == NULL\n");
2271         return MMSYSERR_INVALPARAM;
2272     }
2273
2274     wwo = &WOutDev[wDevID];
2275 #ifdef EXACT_WODPOSITION
2276     if (wwo->ossdev.open_access == O_RDWR) {
2277         if (wwo->ossdev.duplex_out_caps.dwSupport & WAVECAPS_SAMPLEACCURATE)
2278             OSS_AddRingMessage(&wwo->msgRing, WINE_WM_UPDATE, 0, TRUE);
2279     } else {
2280         if (wwo->ossdev.out_caps.dwSupport & WAVECAPS_SAMPLEACCURATE)
2281             OSS_AddRingMessage(&wwo->msgRing, WINE_WM_UPDATE, 0, TRUE);
2282     }
2283 #endif
2284
2285     return bytes_to_mmtime(lpTime, wwo->dwPlayedTotal, &wwo->waveFormat);
2286 }
2287
2288 /**************************************************************************
2289  *                              wodBreakLoop                    [internal]
2290  */
2291 static DWORD wodBreakLoop(WORD wDevID)
2292 {
2293     TRACE("(%u);\n", wDevID);
2294
2295     if (wDevID >= numOutDev || WOutDev[wDevID].state == WINE_WS_CLOSED) {
2296         WARN("bad device ID !\n");
2297         return MMSYSERR_BADDEVICEID;
2298     }
2299     OSS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_BREAKLOOP, 0, TRUE);
2300     return MMSYSERR_NOERROR;
2301 }
2302
2303 /**************************************************************************
2304  *                              wodGetVolume                    [internal]
2305  */
2306 static DWORD wodGetVolume(WORD wDevID, LPDWORD lpdwVol)
2307 {
2308     int         mixer;
2309     int         volume;
2310     DWORD       left, right;
2311     DWORD       last_left, last_right;
2312
2313     TRACE("(%u, %p);\n", wDevID, lpdwVol);
2314
2315     if (lpdwVol == NULL) {
2316         WARN("not enabled\n");
2317         return MMSYSERR_NOTENABLED;
2318     }
2319     if (wDevID >= numOutDev) {
2320         WARN("invalid parameter\n");
2321         return MMSYSERR_INVALPARAM;
2322     }
2323     if (WOutDev[wDevID].ossdev.open_access == O_RDWR) {
2324         if (!(WOutDev[wDevID].ossdev.duplex_out_caps.dwSupport & WAVECAPS_VOLUME)) {
2325             TRACE("Volume not supported\n");
2326             return MMSYSERR_NOTSUPPORTED;
2327         }
2328     } else {
2329         if (!(WOutDev[wDevID].ossdev.out_caps.dwSupport & WAVECAPS_VOLUME)) {
2330             TRACE("Volume not supported\n");
2331             return MMSYSERR_NOTSUPPORTED;
2332         }
2333     }
2334
2335     if ((mixer = open(WOutDev[wDevID].ossdev.mixer_name, O_RDONLY|O_NDELAY)) < 0) {
2336         WARN("mixer device not available !\n");
2337         return MMSYSERR_NOTENABLED;
2338     }
2339     if (ioctl(mixer, SOUND_MIXER_READ_PCM, &volume) == -1) {
2340         close(mixer);
2341         WARN("ioctl(%s, SOUND_MIXER_READ_PCM) failed (%s)\n",
2342              WOutDev[wDevID].ossdev.mixer_name, strerror(errno));
2343         return MMSYSERR_NOTENABLED;
2344     }
2345     close(mixer);
2346
2347     left = LOBYTE(volume);
2348     right = HIBYTE(volume);
2349     TRACE("left=%d right=%d !\n", left, right);
2350     last_left  = (LOWORD(WOutDev[wDevID].volume) * 100) / 0xFFFFl;
2351     last_right = (HIWORD(WOutDev[wDevID].volume) * 100) / 0xFFFFl;
2352     TRACE("last_left=%d last_right=%d !\n", last_left, last_right);
2353     if (last_left == left && last_right == right)
2354         *lpdwVol = WOutDev[wDevID].volume;
2355     else
2356         *lpdwVol = ((left * 0xFFFFl) / 100) + (((right * 0xFFFFl) / 100) << 16);
2357     return MMSYSERR_NOERROR;
2358 }
2359
2360 /**************************************************************************
2361  *                              wodSetVolume                    [internal]
2362  */
2363 DWORD wodSetVolume(WORD wDevID, DWORD dwParam)
2364 {
2365     int         mixer;
2366     int         volume;
2367     DWORD       left, right;
2368
2369     TRACE("(%u, %08X);\n", wDevID, dwParam);
2370
2371     left  = (LOWORD(dwParam) * 100) / 0xFFFFl;
2372     right = (HIWORD(dwParam) * 100) / 0xFFFFl;
2373     volume = left + (right << 8);
2374
2375     if (wDevID >= numOutDev) {
2376         WARN("invalid parameter: wDevID > %d\n", numOutDev);
2377         return MMSYSERR_INVALPARAM;
2378     }
2379     if (WOutDev[wDevID].ossdev.open_access == O_RDWR) {
2380         if (!(WOutDev[wDevID].ossdev.duplex_out_caps.dwSupport & WAVECAPS_VOLUME)) {
2381             TRACE("Volume not supported\n");
2382             return MMSYSERR_NOTSUPPORTED;
2383         }
2384     } else {
2385         if (!(WOutDev[wDevID].ossdev.out_caps.dwSupport & WAVECAPS_VOLUME)) {
2386             TRACE("Volume not supported\n");
2387             return MMSYSERR_NOTSUPPORTED;
2388         }
2389     }
2390     if ((mixer = open(WOutDev[wDevID].ossdev.mixer_name, O_WRONLY|O_NDELAY)) < 0) {
2391         WARN("open(%s) failed (%s)\n", WOutDev[wDevID].ossdev.mixer_name, strerror(errno));
2392         return MMSYSERR_NOTENABLED;
2393     }
2394     if (ioctl(mixer, SOUND_MIXER_WRITE_PCM, &volume) == -1) {
2395         close(mixer);
2396         WARN("ioctl(%s, SOUND_MIXER_WRITE_PCM) failed (%s)\n",
2397             WOutDev[wDevID].ossdev.mixer_name, strerror(errno));
2398         return MMSYSERR_NOTENABLED;
2399     }
2400     TRACE("volume=%04x\n", (unsigned)volume);
2401     close(mixer);
2402
2403     /* save requested volume */
2404     WOutDev[wDevID].volume = dwParam;
2405
2406     return MMSYSERR_NOERROR;
2407 }
2408
2409 /**************************************************************************
2410  *                              wodMessage (WINEOSS.7)
2411  */
2412 DWORD WINAPI OSS_wodMessage(UINT wDevID, UINT wMsg, DWORD_PTR dwUser,
2413                             DWORD_PTR dwParam1, DWORD_PTR dwParam2)
2414 {
2415     TRACE("(%u, %s, %08lX, %08lX, %08lX);\n",
2416           wDevID, getMessage(wMsg), dwUser, dwParam1, dwParam2);
2417
2418     switch (wMsg) {
2419     case DRVM_INIT:
2420     case DRVM_EXIT:
2421     case DRVM_ENABLE:
2422     case DRVM_DISABLE:
2423         /* FIXME: Pretend this is supported */
2424         return 0;
2425     case WODM_OPEN:             return wodOpen          (wDevID, (LPWAVEOPENDESC)dwParam1,      dwParam2);
2426     case WODM_CLOSE:            return wodClose         (wDevID);
2427     case WODM_WRITE:            return wodWrite         (wDevID, (LPWAVEHDR)dwParam1,           dwParam2);
2428     case WODM_PAUSE:            return wodPause         (wDevID);
2429     case WODM_GETPOS:           return wodGetPosition   (wDevID, (LPMMTIME)dwParam1,            dwParam2);
2430     case WODM_BREAKLOOP:        return wodBreakLoop     (wDevID);
2431     case WODM_PREPARE:          return MMSYSERR_NOTSUPPORTED;
2432     case WODM_UNPREPARE:        return MMSYSERR_NOTSUPPORTED;
2433     case WODM_GETDEVCAPS:       return wodGetDevCaps    (wDevID, (LPWAVEOUTCAPSW)dwParam1,      dwParam2);
2434     case WODM_GETNUMDEVS:       return numOutDev;
2435     case WODM_GETPITCH:         return MMSYSERR_NOTSUPPORTED;
2436     case WODM_SETPITCH:         return MMSYSERR_NOTSUPPORTED;
2437     case WODM_GETPLAYBACKRATE:  return MMSYSERR_NOTSUPPORTED;
2438     case WODM_SETPLAYBACKRATE:  return MMSYSERR_NOTSUPPORTED;
2439     case WODM_GETVOLUME:        return wodGetVolume     (wDevID, (LPDWORD)dwParam1);
2440     case WODM_SETVOLUME:        return wodSetVolume     (wDevID, dwParam1);
2441     case WODM_RESTART:          return wodRestart       (wDevID);
2442     case WODM_RESET:            return wodReset         (wDevID);
2443
2444     case DRV_QUERYDEVICEINTERFACESIZE: return wodDevInterfaceSize      (wDevID, (LPDWORD)dwParam1);
2445     case DRV_QUERYDEVICEINTERFACE:     return wodDevInterface          (wDevID, (PWCHAR)dwParam1, dwParam2);
2446     case DRV_QUERYDSOUNDIFACE:  return wodDsCreate      (wDevID, (PIDSDRIVER*)dwParam1);
2447     case DRV_QUERYDSOUNDDESC:   return wodDsDesc        (wDevID, (PDSDRIVERDESC)dwParam1);
2448     default:
2449         FIXME("unknown message %d!\n", wMsg);
2450     }
2451     return MMSYSERR_NOTSUPPORTED;
2452 }
2453
2454 /*======================================================================*
2455  *                  Low level WAVE IN implementation                    *
2456  *======================================================================*/
2457
2458 /**************************************************************************
2459  *                      widNotifyClient                 [internal]
2460  */
2461 static DWORD widNotifyClient(WINE_WAVEIN* wwi, WORD wMsg, DWORD_PTR dwParam1, DWORD_PTR dwParam2)
2462 {
2463     TRACE("wMsg = 0x%04x (%s) dwParm1 = %04lx dwParam2 = %04lx\n", wMsg,
2464         wMsg == WIM_OPEN ? "WIM_OPEN" : wMsg == WIM_CLOSE ? "WIM_CLOSE" :
2465         wMsg == WIM_DATA ? "WIM_DATA" : "Unknown", dwParam1, dwParam2);
2466
2467     switch (wMsg) {
2468     case WIM_OPEN:
2469     case WIM_CLOSE:
2470     case WIM_DATA:
2471         if (wwi->wFlags != DCB_NULL &&
2472             !DriverCallback(wwi->waveDesc.dwCallback, wwi->wFlags,
2473                             (HDRVR)wwi->waveDesc.hWave, wMsg,
2474                             wwi->waveDesc.dwInstance, dwParam1, dwParam2)) {
2475             WARN("can't notify client !\n");
2476             return MMSYSERR_ERROR;
2477         }
2478         break;
2479     default:
2480         FIXME("Unknown callback message %u\n", wMsg);
2481         return MMSYSERR_INVALPARAM;
2482     }
2483     return MMSYSERR_NOERROR;
2484 }
2485
2486 /**************************************************************************
2487  *                      widGetDevCaps                           [internal]
2488  */
2489 static DWORD widGetDevCaps(WORD wDevID, LPWAVEINCAPSW lpCaps, DWORD dwSize)
2490 {
2491     TRACE("(%u, %p, %u);\n", wDevID, lpCaps, dwSize);
2492
2493     if (lpCaps == NULL) return MMSYSERR_NOTENABLED;
2494
2495     if (wDevID >= numInDev) {
2496         TRACE("numOutDev reached !\n");
2497         return MMSYSERR_BADDEVICEID;
2498     }
2499
2500     memcpy(lpCaps, &WInDev[wDevID].ossdev.in_caps, min(dwSize, sizeof(*lpCaps)));
2501     return MMSYSERR_NOERROR;
2502 }
2503
2504 /**************************************************************************
2505  *                              widRecorder_ReadHeaders         [internal]
2506  */
2507 static void widRecorder_ReadHeaders(WINE_WAVEIN * wwi)
2508 {
2509     enum win_wm_message tmp_msg;
2510     DWORD_PTR           tmp_param;
2511     HANDLE              tmp_ev;
2512     WAVEHDR*            lpWaveHdr;
2513
2514     while (OSS_RetrieveRingMessage(&wwi->msgRing, &tmp_msg, &tmp_param, &tmp_ev)) {
2515         if (tmp_msg == WINE_WM_HEADER) {
2516             LPWAVEHDR*  wh;
2517             lpWaveHdr = (LPWAVEHDR)tmp_param;
2518             lpWaveHdr->lpNext = 0;
2519
2520             if (wwi->lpQueuePtr == 0)
2521                 wwi->lpQueuePtr = lpWaveHdr;
2522             else {
2523                 for (wh = &(wwi->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
2524                 *wh = lpWaveHdr;
2525             }
2526         } else {
2527             ERR("should only have headers left\n");
2528         }
2529     }
2530 }
2531
2532 /**************************************************************************
2533  *                              widRecorder                     [internal]
2534  */
2535 static  DWORD   CALLBACK        widRecorder(LPVOID pmt)
2536 {
2537     WORD                uDevID = (DWORD_PTR)pmt;
2538     WINE_WAVEIN*        wwi = &WInDev[uDevID];
2539     WAVEHDR*            lpWaveHdr;
2540     DWORD               dwSleepTime;
2541     DWORD               bytesRead;
2542     LPVOID              buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, wwi->dwFragmentSize);
2543     char               *pOffset = buffer;
2544     audio_buf_info      info;
2545     int                 xs;
2546     enum win_wm_message msg;
2547     DWORD_PTR           param;
2548     HANDLE              ev;
2549     int                 enable;
2550
2551     wwi->state = WINE_WS_STOPPED;
2552     wwi->dwTotalRecorded = 0;
2553     wwi->dwTotalRead = 0;
2554     wwi->lpQueuePtr = NULL;
2555
2556     SetEvent(wwi->hStartUpEvent);
2557
2558     /* disable input so capture will begin when triggered */
2559     wwi->ossdev.bInputEnabled = FALSE;
2560     enable = getEnables(&wwi->ossdev);
2561     if (ioctl(wwi->ossdev.fd, SNDCTL_DSP_SETTRIGGER, &enable) < 0)
2562         ERR("ioctl(%s, SNDCTL_DSP_SETTRIGGER) failed (%s)\n", wwi->ossdev.dev_name, strerror(errno));
2563
2564     /* the soundblaster live needs a micro wake to get its recording started
2565      * (or GETISPACE will have 0 frags all the time)
2566      */
2567     read(wwi->ossdev.fd, &xs, 4);
2568
2569     /* make sleep time to be # of ms to output a fragment */
2570     dwSleepTime = (wwi->dwFragmentSize * 1000) / wwi->waveFormat.Format.nAvgBytesPerSec;
2571     TRACE("sleeptime=%d ms\n", dwSleepTime);
2572
2573     for (;;) {
2574         /* wait for dwSleepTime or an event in thread's queue */
2575         /* FIXME: could improve wait time depending on queue state,
2576          * ie, number of queued fragments
2577          */
2578
2579         if (wwi->lpQueuePtr != NULL && wwi->state == WINE_WS_PLAYING)
2580         {
2581             lpWaveHdr = wwi->lpQueuePtr;
2582
2583             ioctl(wwi->ossdev.fd, SNDCTL_DSP_GETISPACE, &info);
2584             TRACE("info={frag=%d fsize=%d ftotal=%d bytes=%d}\n", info.fragments, info.fragsize, info.fragstotal, info.bytes);
2585
2586             /* read all the fragments accumulated so far */
2587             while ((info.fragments > 0) && (wwi->lpQueuePtr))
2588             {
2589                 info.fragments --;
2590
2591                 if (lpWaveHdr->dwBufferLength - lpWaveHdr->dwBytesRecorded >= wwi->dwFragmentSize)
2592                 {
2593                     /* directly read fragment in wavehdr */
2594                     bytesRead = read(wwi->ossdev.fd,
2595                                      lpWaveHdr->lpData + lpWaveHdr->dwBytesRecorded,
2596                                      wwi->dwFragmentSize);
2597
2598                     TRACE("bytesRead=%d (direct)\n", bytesRead);
2599                     if (bytesRead != (DWORD) -1)
2600                     {
2601                         /* update number of bytes recorded in current buffer and by this device */
2602                         lpWaveHdr->dwBytesRecorded += bytesRead;
2603                         wwi->dwTotalRead           += bytesRead;
2604                         wwi->dwTotalRecorded = wwi->dwTotalRead;
2605
2606                         /* buffer is full. notify client */
2607                         if (lpWaveHdr->dwBytesRecorded == lpWaveHdr->dwBufferLength)
2608                         {
2609                             /* must copy the value of next waveHdr, because we have no idea of what
2610                              * will be done with the content of lpWaveHdr in callback
2611                              */
2612                             LPWAVEHDR   lpNext = lpWaveHdr->lpNext;
2613
2614                             lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
2615                             lpWaveHdr->dwFlags |=  WHDR_DONE;
2616
2617                             wwi->lpQueuePtr = lpNext;
2618                             widNotifyClient(wwi, WIM_DATA, (DWORD_PTR)lpWaveHdr, 0);
2619                             lpWaveHdr = lpNext;
2620                         }
2621                     } else {
2622                         TRACE("read(%s, %p, %d) failed (%s)\n", wwi->ossdev.dev_name,
2623                             lpWaveHdr->lpData + lpWaveHdr->dwBytesRecorded,
2624                             wwi->dwFragmentSize, strerror(errno));
2625                     }
2626                 }
2627                 else
2628                 {
2629                     /* read the fragment in a local buffer */
2630                     bytesRead = read(wwi->ossdev.fd, buffer, wwi->dwFragmentSize);
2631                     pOffset = buffer;
2632
2633                     TRACE("bytesRead=%d (local)\n", bytesRead);
2634
2635                     if (bytesRead == (DWORD) -1) {
2636                         TRACE("read(%s, %p, %d) failed (%s)\n", wwi->ossdev.dev_name,
2637                             buffer, wwi->dwFragmentSize, strerror(errno));
2638                         continue;
2639                     }
2640
2641                     /* copy data in client buffers */
2642                     while (bytesRead != (DWORD) -1 && bytesRead > 0)
2643                     {
2644                         DWORD dwToCopy = min (bytesRead, lpWaveHdr->dwBufferLength - lpWaveHdr->dwBytesRecorded);
2645
2646                         memcpy(lpWaveHdr->lpData + lpWaveHdr->dwBytesRecorded,
2647                                pOffset,
2648                                dwToCopy);
2649
2650                         /* update number of bytes recorded in current buffer and by this device */
2651                         lpWaveHdr->dwBytesRecorded += dwToCopy;
2652                         wwi->dwTotalRead           += dwToCopy;
2653                         wwi->dwTotalRecorded = wwi->dwTotalRead;
2654                         bytesRead -= dwToCopy;
2655                         pOffset   += dwToCopy;
2656
2657                         /* client buffer is full. notify client */
2658                         if (lpWaveHdr->dwBytesRecorded == lpWaveHdr->dwBufferLength)
2659                         {
2660                             /* must copy the value of next waveHdr, because we have no idea of what
2661                              * will be done with the content of lpWaveHdr in callback
2662                              */
2663                             LPWAVEHDR   lpNext = lpWaveHdr->lpNext;
2664                             TRACE("lpNext=%p\n", lpNext);
2665
2666                             lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
2667                             lpWaveHdr->dwFlags |=  WHDR_DONE;
2668
2669                             wwi->lpQueuePtr = lpNext;
2670                             widNotifyClient(wwi, WIM_DATA, (DWORD_PTR)lpWaveHdr, 0);
2671
2672                             lpWaveHdr = lpNext;
2673                             if (!lpNext && bytesRead) {
2674                                 /* before we give up, check for more header messages */
2675                                 while (OSS_PeekRingMessage(&wwi->msgRing, &msg, &param, &ev))
2676                                 {
2677                                     if (msg == WINE_WM_HEADER) {
2678                                         LPWAVEHDR hdr;
2679                                         OSS_RetrieveRingMessage(&wwi->msgRing, &msg, &param, &ev);
2680                                         hdr = ((LPWAVEHDR)param);
2681                                         TRACE("msg = %s, hdr = %p, ev = %p\n", getCmdString(msg), hdr, ev);
2682                                         hdr->lpNext = 0;
2683                                         if (lpWaveHdr == 0) {
2684                                             /* new head of queue */
2685                                             wwi->lpQueuePtr = lpWaveHdr = hdr;
2686                                         } else {
2687                                             /* insert buffer at the end of queue */
2688                                             LPWAVEHDR*  wh;
2689                                             for (wh = &(wwi->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
2690                                             *wh = hdr;
2691                                         }
2692                                     } else
2693                                         break;
2694                                 }
2695
2696                                 if (lpWaveHdr == 0) {
2697                                     /* no more buffer to copy data to, but we did read more.
2698                                      * what hasn't been copied will be dropped
2699                                      */
2700                                     WARN("buffer under run! %u bytes dropped.\n", bytesRead);
2701                                     wwi->lpQueuePtr = NULL;
2702                                     break;
2703                                 }
2704                             }
2705                         }
2706                     }
2707                 }
2708             }
2709         }
2710
2711         WAIT_OMR(&wwi->msgRing, dwSleepTime);
2712
2713         while (OSS_RetrieveRingMessage(&wwi->msgRing, &msg, &param, &ev))
2714         {
2715             TRACE("msg=%s param=0x%lx\n", getCmdString(msg), param);
2716             switch (msg) {
2717             case WINE_WM_PAUSING:
2718                 wwi->state = WINE_WS_PAUSED;
2719                 /*FIXME("Device should stop recording\n");*/
2720                 SetEvent(ev);
2721                 break;
2722             case WINE_WM_STARTING:
2723                 wwi->state = WINE_WS_PLAYING;
2724
2725                 if (wwi->ossdev.bTriggerSupport)
2726                 {
2727                     /* start the recording */
2728                     wwi->ossdev.bInputEnabled = TRUE;
2729                     enable = getEnables(&wwi->ossdev);
2730                     if (ioctl(wwi->ossdev.fd, SNDCTL_DSP_SETTRIGGER, &enable) < 0) {
2731                         wwi->ossdev.bInputEnabled = FALSE;
2732                         ERR("ioctl(%s, SNDCTL_DSP_SETTRIGGER) failed (%s)\n", wwi->ossdev.dev_name, strerror(errno));
2733                     }
2734                 }
2735                 else
2736                 {
2737                     unsigned char data[4];
2738                     /* read 4 bytes to start the recording */
2739                     read(wwi->ossdev.fd, data, 4);
2740                 }
2741
2742                 SetEvent(ev);
2743                 break;
2744             case WINE_WM_HEADER:
2745                 lpWaveHdr = (LPWAVEHDR)param;
2746                 lpWaveHdr->lpNext = 0;
2747
2748                 /* insert buffer at the end of queue */
2749                 {
2750                     LPWAVEHDR*  wh;
2751                     for (wh = &(wwi->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
2752                     *wh = lpWaveHdr;
2753                 }
2754                 break;
2755             case WINE_WM_STOPPING:
2756                 if (wwi->state != WINE_WS_STOPPED)
2757                 {
2758                     if (wwi->ossdev.bTriggerSupport)
2759                     {
2760                         /* stop the recording */
2761                         wwi->ossdev.bInputEnabled = FALSE;
2762                         enable = getEnables(&wwi->ossdev);
2763                         if (ioctl(wwi->ossdev.fd, SNDCTL_DSP_SETTRIGGER, &enable) < 0) {
2764                             wwi->ossdev.bInputEnabled = FALSE;
2765                             ERR("ioctl(%s, SNDCTL_DSP_SETTRIGGER) failed (%s)\n", wwi->ossdev.dev_name, strerror(errno));
2766                         }
2767                     }
2768
2769                     /* read any headers in queue */
2770                     widRecorder_ReadHeaders(wwi);
2771
2772                     /* return current buffer to app */
2773                     lpWaveHdr = wwi->lpQueuePtr;
2774                     if (lpWaveHdr)
2775                     {
2776                         LPWAVEHDR       lpNext = lpWaveHdr->lpNext;
2777                         TRACE("stop %p %p\n", lpWaveHdr, lpWaveHdr->lpNext);
2778                         lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
2779                         lpWaveHdr->dwFlags |= WHDR_DONE;
2780                         wwi->lpQueuePtr = lpNext;
2781                         widNotifyClient(wwi, WIM_DATA, (DWORD_PTR)lpWaveHdr, 0);
2782                     }
2783                 }
2784                 wwi->state = WINE_WS_STOPPED;
2785                 SetEvent(ev);
2786                 break;
2787             case WINE_WM_RESETTING:
2788                 if (wwi->state != WINE_WS_STOPPED)
2789                 {
2790                     if (wwi->ossdev.bTriggerSupport)
2791                     {
2792                         /* stop the recording */
2793                         wwi->ossdev.bInputEnabled = FALSE;
2794                         enable = getEnables(&wwi->ossdev);
2795                         if (ioctl(wwi->ossdev.fd, SNDCTL_DSP_SETTRIGGER, &enable) < 0) {
2796                             wwi->ossdev.bInputEnabled = FALSE;
2797                             ERR("ioctl(%s, SNDCTL_DSP_SETTRIGGER) failed (%s)\n", wwi->ossdev.dev_name, strerror(errno));
2798                         }
2799                     }
2800                 }
2801                 wwi->state = WINE_WS_STOPPED;
2802                 wwi->dwTotalRecorded = 0;
2803                 wwi->dwTotalRead = 0;
2804
2805                 /* read any headers in queue */
2806                 widRecorder_ReadHeaders(wwi);
2807
2808                 /* return all buffers to the app */
2809                 while (wwi->lpQueuePtr) {
2810                     lpWaveHdr = wwi->lpQueuePtr;
2811                     TRACE("reset %p %p\n", lpWaveHdr, lpWaveHdr->lpNext);
2812                     wwi->lpQueuePtr = lpWaveHdr->lpNext;
2813                     lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
2814                     lpWaveHdr->dwFlags |= WHDR_DONE;
2815                     widNotifyClient(wwi, WIM_DATA, (DWORD_PTR)lpWaveHdr, 0);
2816                 }
2817
2818                 SetEvent(ev);
2819                 break;
2820             case WINE_WM_UPDATE:
2821                 if (wwi->state == WINE_WS_PLAYING) {
2822                     audio_buf_info tmp_info;
2823                     if (ioctl(wwi->ossdev.fd, SNDCTL_DSP_GETISPACE, &tmp_info) < 0)
2824                         ERR("ioctl(%s, SNDCTL_DSP_GETISPACE) failed (%s)\n", wwi->ossdev.dev_name, strerror(errno));
2825                     else
2826                         wwi->dwTotalRecorded = wwi->dwTotalRead + tmp_info.bytes;
2827                 }
2828                 SetEvent(ev);
2829                 break;
2830             case WINE_WM_CLOSING:
2831                 wwi->hThread = 0;
2832                 wwi->state = WINE_WS_CLOSED;
2833                 SetEvent(ev);
2834                 HeapFree(GetProcessHeap(), 0, buffer);
2835                 ExitThread(0);
2836                 /* shouldn't go here */
2837             default:
2838                 FIXME("unknown message %d\n", msg);
2839                 break;
2840             }
2841         }
2842     }
2843     ExitThread(0);
2844     /* just for not generating compilation warnings... should never be executed */
2845     return 0;
2846 }
2847
2848
2849 /**************************************************************************
2850  *                              widOpen                         [internal]
2851  */
2852 static DWORD widOpen(WORD wDevID, LPWAVEOPENDESC lpDesc, DWORD dwFlags)
2853 {
2854     WINE_WAVEIN*        wwi;
2855     audio_buf_info      info;
2856     int                 audio_fragment;
2857     DWORD               ret;
2858
2859     TRACE("(%u, %p, %08X);\n", wDevID, lpDesc, dwFlags);
2860     if (lpDesc == NULL) {
2861         WARN("Invalid Parameter !\n");
2862         return MMSYSERR_INVALPARAM;
2863     }
2864     if (wDevID >= numInDev) {
2865         WARN("bad device id: %d >= %d\n", wDevID, numInDev);
2866         return MMSYSERR_BADDEVICEID;
2867     }
2868
2869     /* only PCM format is supported so far... */
2870     if (!supportedFormat(lpDesc->lpFormat)) {
2871         WARN("Bad format: tag=%04X nChannels=%d nSamplesPerSec=%d !\n",
2872              lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
2873              lpDesc->lpFormat->nSamplesPerSec);
2874         return WAVERR_BADFORMAT;
2875     }
2876
2877     if (dwFlags & WAVE_FORMAT_QUERY) {
2878         TRACE("Query format: tag=%04X nChannels=%d nSamplesPerSec=%d !\n",
2879              lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
2880              lpDesc->lpFormat->nSamplesPerSec);
2881         return MMSYSERR_NOERROR;
2882     }
2883
2884     /* nBlockAlign and nAvgBytesPerSec are output variables for dsound */
2885     if (lpDesc->lpFormat->nBlockAlign != lpDesc->lpFormat->nChannels*lpDesc->lpFormat->wBitsPerSample/8) {
2886         lpDesc->lpFormat->nBlockAlign  = lpDesc->lpFormat->nChannels*lpDesc->lpFormat->wBitsPerSample/8;
2887         WARN("Fixing nBlockAlign\n");
2888     }
2889     if (lpDesc->lpFormat->nAvgBytesPerSec!= lpDesc->lpFormat->nSamplesPerSec*lpDesc->lpFormat->nBlockAlign) {
2890         lpDesc->lpFormat->nAvgBytesPerSec = lpDesc->lpFormat->nSamplesPerSec*lpDesc->lpFormat->nBlockAlign;
2891         WARN("Fixing nAvgBytesPerSec\n");
2892     }
2893
2894     TRACE("OSS_OpenDevice requested this format: %dx%dx%d %s\n",
2895           lpDesc->lpFormat->nSamplesPerSec,
2896           lpDesc->lpFormat->wBitsPerSample,
2897           lpDesc->lpFormat->nChannels,
2898           lpDesc->lpFormat->wFormatTag == WAVE_FORMAT_PCM ? "WAVE_FORMAT_PCM" :
2899           lpDesc->lpFormat->wFormatTag == WAVE_FORMAT_EXTENSIBLE ? "WAVE_FORMAT_EXTENSIBLE" :
2900           "UNSUPPORTED");
2901
2902     wwi = &WInDev[wDevID];
2903
2904     if (wwi->state != WINE_WS_CLOSED) return MMSYSERR_ALLOCATED;
2905
2906     if ((dwFlags & WAVE_DIRECTSOUND) &&
2907         !(wwi->ossdev.in_caps_support & WAVECAPS_DIRECTSOUND))
2908         /* not supported, ignore it */
2909         dwFlags &= ~WAVE_DIRECTSOUND;
2910
2911     if (dwFlags & WAVE_DIRECTSOUND) {
2912         TRACE("has DirectSoundCapture driver\n");
2913         if (wwi->ossdev.in_caps_support & WAVECAPS_SAMPLEACCURATE)
2914             /* we have realtime DirectSound, fragments just waste our time,
2915              * but a large buffer is good, so choose 64KB (32 * 2^11) */
2916             audio_fragment = 0x0020000B;
2917         else
2918             /* to approximate realtime, we must use small fragments,
2919              * let's try to fragment the above 64KB (256 * 2^8) */
2920             audio_fragment = 0x01000008;
2921     } else {
2922         TRACE("doesn't have DirectSoundCapture driver\n");
2923         if (wwi->ossdev.open_count > 0) {
2924             TRACE("Using output device audio_fragment\n");
2925             /* FIXME: This may not be optimal for capture but it allows us
2926              * to do hardware playback without hardware capture. */
2927             audio_fragment = wwi->ossdev.audio_fragment;
2928         } else {
2929             /* A wave device must have a worst case latency of 10 ms so calculate
2930              * the largest fragment size less than 10 ms long.
2931              */
2932             int fsize = lpDesc->lpFormat->nAvgBytesPerSec / 100;        /* 10 ms chunk */
2933             int shift = 0;
2934             while ((1 << shift) <= fsize)
2935                 shift++;
2936             shift--;
2937             audio_fragment = 0x00100000 + shift;        /* 16 fragments of 2^shift */
2938         }
2939     }
2940
2941     TRACE("requesting %d %d byte fragments (%d ms)\n", audio_fragment >> 16,
2942         1 << (audio_fragment & 0xffff),
2943         ((1 << (audio_fragment & 0xffff)) * 1000) / lpDesc->lpFormat->nAvgBytesPerSec);
2944
2945     ret = OSS_OpenDevice(&wwi->ossdev, O_RDONLY, &audio_fragment,
2946                          1,
2947                          lpDesc->lpFormat->nSamplesPerSec,
2948                          lpDesc->lpFormat->nChannels,
2949                          (lpDesc->lpFormat->wBitsPerSample == 16)
2950                          ? AFMT_S16_LE : AFMT_U8);
2951     if (ret != 0) return ret;
2952     wwi->state = WINE_WS_STOPPED;
2953
2954     if (wwi->lpQueuePtr) {
2955         WARN("Should have an empty queue (%p)\n", wwi->lpQueuePtr);
2956         wwi->lpQueuePtr = NULL;
2957     }
2958     wwi->dwTotalRecorded = 0;
2959     wwi->dwTotalRead = 0;
2960     wwi->wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
2961
2962     wwi->waveDesc = *lpDesc;
2963     copy_format(lpDesc->lpFormat, &wwi->waveFormat);
2964
2965     if (ioctl(wwi->ossdev.fd, SNDCTL_DSP_GETISPACE, &info) < 0) {
2966         ERR("ioctl(%s, SNDCTL_DSP_GETISPACE) failed (%s)\n",
2967             wwi->ossdev.dev_name, strerror(errno));
2968         OSS_CloseDevice(&wwi->ossdev);
2969         wwi->state = WINE_WS_CLOSED;
2970         return MMSYSERR_NOTENABLED;
2971     }
2972
2973     TRACE("got %d %d byte fragments (%d ms/fragment)\n", info.fragstotal,
2974         info.fragsize, (info.fragsize * 1000) / (wwi->ossdev.sample_rate *
2975         wwi->ossdev.channels * (wwi->ossdev.format == AFMT_U8 ? 1 : 2)));
2976
2977     wwi->dwFragmentSize = info.fragsize;
2978
2979     TRACE("dwFragmentSize=%u\n", wwi->dwFragmentSize);
2980     TRACE("wBitsPerSample=%u, nAvgBytesPerSec=%u, nSamplesPerSec=%u, nChannels=%u nBlockAlign=%u!\n",
2981           wwi->waveFormat.Format.wBitsPerSample, wwi->waveFormat.Format.nAvgBytesPerSec,
2982           wwi->waveFormat.Format.nSamplesPerSec, wwi->waveFormat.Format.nChannels,
2983           wwi->waveFormat.Format.nBlockAlign);
2984
2985     OSS_InitRingMessage(&wwi->msgRing);
2986
2987     wwi->hStartUpEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
2988     wwi->hThread = CreateThread(NULL, 0, widRecorder, (LPVOID)(DWORD_PTR)wDevID, 0, &(wwi->dwThreadID));
2989     if (wwi->hThread)
2990         SetThreadPriority(wwi->hThread, THREAD_PRIORITY_TIME_CRITICAL);
2991     WaitForSingleObject(wwi->hStartUpEvent, INFINITE);
2992     CloseHandle(wwi->hStartUpEvent);
2993     wwi->hStartUpEvent = INVALID_HANDLE_VALUE;
2994
2995     return widNotifyClient(wwi, WIM_OPEN, 0L, 0L);
2996 }
2997
2998 /**************************************************************************
2999  *                              widClose                        [internal]
3000  */
3001 static DWORD widClose(WORD wDevID)
3002 {
3003     WINE_WAVEIN*        wwi;
3004
3005     TRACE("(%u);\n", wDevID);
3006     if (wDevID >= numInDev || WInDev[wDevID].state == WINE_WS_CLOSED) {
3007         WARN("can't close !\n");
3008         return MMSYSERR_INVALHANDLE;
3009     }
3010
3011     wwi = &WInDev[wDevID];
3012
3013     if (wwi->lpQueuePtr != NULL) {
3014         WARN("still buffers open !\n");
3015         return WAVERR_STILLPLAYING;
3016     }
3017
3018     OSS_AddRingMessage(&wwi->msgRing, WINE_WM_CLOSING, 0, TRUE);
3019     OSS_CloseDevice(&wwi->ossdev);
3020     wwi->state = WINE_WS_CLOSED;
3021     wwi->dwFragmentSize = 0;
3022     OSS_DestroyRingMessage(&wwi->msgRing);
3023     return widNotifyClient(wwi, WIM_CLOSE, 0L, 0L);
3024 }
3025
3026 /**************************************************************************
3027  *                              widAddBuffer            [internal]
3028  */
3029 static DWORD widAddBuffer(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
3030 {
3031     TRACE("(%u, %p, %08X);\n", wDevID, lpWaveHdr, dwSize);
3032
3033     if (wDevID >= numInDev || WInDev[wDevID].state == WINE_WS_CLOSED) {
3034         WARN("can't do it !\n");
3035         return MMSYSERR_INVALHANDLE;
3036     }
3037     if (!(lpWaveHdr->dwFlags & WHDR_PREPARED)) {
3038         TRACE("never been prepared !\n");
3039         return WAVERR_UNPREPARED;
3040     }
3041     if (lpWaveHdr->dwFlags & WHDR_INQUEUE) {
3042         TRACE("header already in use !\n");
3043         return WAVERR_STILLPLAYING;
3044     }
3045
3046     lpWaveHdr->dwFlags |= WHDR_INQUEUE;
3047     lpWaveHdr->dwFlags &= ~WHDR_DONE;
3048     lpWaveHdr->dwBytesRecorded = 0;
3049     lpWaveHdr->lpNext = NULL;
3050
3051     OSS_AddRingMessage(&WInDev[wDevID].msgRing, WINE_WM_HEADER, (DWORD_PTR)lpWaveHdr, FALSE);
3052     return MMSYSERR_NOERROR;
3053 }
3054
3055 /**************************************************************************
3056  *                      widStart                                [internal]
3057  */
3058 static DWORD widStart(WORD wDevID)
3059 {
3060     TRACE("(%u);\n", wDevID);
3061     if (wDevID >= numInDev || WInDev[wDevID].state == WINE_WS_CLOSED) {
3062         WARN("can't start recording !\n");
3063         return MMSYSERR_INVALHANDLE;
3064     }
3065
3066     OSS_AddRingMessage(&WInDev[wDevID].msgRing, WINE_WM_STARTING, 0, TRUE);
3067     return MMSYSERR_NOERROR;
3068 }
3069
3070 /**************************************************************************
3071  *                      widStop                                 [internal]
3072  */
3073 static DWORD widStop(WORD wDevID)
3074 {
3075     TRACE("(%u);\n", wDevID);
3076     if (wDevID >= numInDev || WInDev[wDevID].state == WINE_WS_CLOSED) {
3077         WARN("can't stop !\n");
3078         return MMSYSERR_INVALHANDLE;
3079     }
3080
3081     OSS_AddRingMessage(&WInDev[wDevID].msgRing, WINE_WM_STOPPING, 0, TRUE);
3082
3083     return MMSYSERR_NOERROR;
3084 }
3085
3086 /**************************************************************************
3087  *                      widReset                                [internal]
3088  */
3089 static DWORD widReset(WORD wDevID)
3090 {
3091     TRACE("(%u);\n", wDevID);
3092     if (wDevID >= numInDev || WInDev[wDevID].state == WINE_WS_CLOSED) {
3093         WARN("can't reset !\n");
3094         return MMSYSERR_INVALHANDLE;
3095     }
3096     OSS_AddRingMessage(&WInDev[wDevID].msgRing, WINE_WM_RESETTING, 0, TRUE);
3097     return MMSYSERR_NOERROR;
3098 }
3099
3100 /**************************************************************************
3101  *                              widGetPosition                  [internal]
3102  */
3103 static DWORD widGetPosition(WORD wDevID, LPMMTIME lpTime, DWORD uSize)
3104 {
3105     WINE_WAVEIN*        wwi;
3106
3107     TRACE("(%u, %p, %u);\n", wDevID, lpTime, uSize);
3108
3109     if (wDevID >= numInDev || WInDev[wDevID].state == WINE_WS_CLOSED) {
3110         WARN("can't get pos !\n");
3111         return MMSYSERR_INVALHANDLE;
3112     }
3113
3114     if (lpTime == NULL) {
3115         WARN("invalid parameter: lpTime == NULL\n");
3116         return MMSYSERR_INVALPARAM;
3117     }
3118
3119     wwi = &WInDev[wDevID];
3120 #ifdef EXACT_WIDPOSITION
3121     if (wwi->ossdev.in_caps_support & WAVECAPS_SAMPLEACCURATE)
3122         OSS_AddRingMessage(&(wwi->msgRing), WINE_WM_UPDATE, 0, TRUE);
3123 #endif
3124
3125     return bytes_to_mmtime(lpTime, wwi->dwTotalRecorded, &wwi->waveFormat);
3126 }
3127
3128 /**************************************************************************
3129  *                              widMessage (WINEOSS.6)
3130  */
3131 DWORD WINAPI OSS_widMessage(WORD wDevID, WORD wMsg, DWORD_PTR dwUser,
3132                             DWORD_PTR dwParam1, DWORD_PTR dwParam2)
3133 {
3134     TRACE("(%u, %s, %08lX, %08lX, %08lX);\n",
3135           wDevID, getMessage(wMsg), dwUser, dwParam1, dwParam2);
3136
3137     switch (wMsg) {
3138     case DRVM_INIT:
3139     case DRVM_EXIT:
3140     case DRVM_ENABLE:
3141     case DRVM_DISABLE:
3142         /* FIXME: Pretend this is supported */
3143         return 0;
3144     case WIDM_OPEN:             return widOpen       (wDevID, (LPWAVEOPENDESC)dwParam1, dwParam2);
3145     case WIDM_CLOSE:            return widClose      (wDevID);
3146     case WIDM_ADDBUFFER:        return widAddBuffer  (wDevID, (LPWAVEHDR)dwParam1, dwParam2);
3147     case WIDM_PREPARE:          return MMSYSERR_NOTSUPPORTED;
3148     case WIDM_UNPREPARE:        return MMSYSERR_NOTSUPPORTED;
3149     case WIDM_GETDEVCAPS:       return widGetDevCaps (wDevID, (LPWAVEINCAPSW)dwParam1, dwParam2);
3150     case WIDM_GETNUMDEVS:       return numInDev;
3151     case WIDM_GETPOS:           return widGetPosition(wDevID, (LPMMTIME)dwParam1, dwParam2);
3152     case WIDM_RESET:            return widReset      (wDevID);
3153     case WIDM_START:            return widStart      (wDevID);
3154     case WIDM_STOP:             return widStop       (wDevID);
3155     case DRV_QUERYDEVICEINTERFACESIZE: return widDevInterfaceSize      (wDevID, (LPDWORD)dwParam1);
3156     case DRV_QUERYDEVICEINTERFACE:     return widDevInterface          (wDevID, (PWCHAR)dwParam1, dwParam2);
3157     case DRV_QUERYDSOUNDIFACE:  return widDsCreate   (wDevID, (PIDSCDRIVER*)dwParam1);
3158     case DRV_QUERYDSOUNDDESC:   return widDsDesc     (wDevID, (PDSDRIVERDESC)dwParam1);
3159     default:
3160         FIXME("unknown message %u!\n", wMsg);
3161     }
3162     return MMSYSERR_NOTSUPPORTED;
3163 }
3164
3165 #else /* !HAVE_OSS */
3166
3167 /**************************************************************************
3168  *                              wodMessage (WINEOSS.7)
3169  */
3170 DWORD WINAPI OSS_wodMessage(WORD wDevID, WORD wMsg, DWORD_PTR dwUser,
3171                             DWORD_PTR dwParam1, DWORD_PTR dwParam2)
3172 {
3173     FIXME("(%u, %04X, %08lX, %08lX, %08lX):stub\n", wDevID, wMsg, dwUser, dwParam1, dwParam2);
3174     return MMSYSERR_NOTENABLED;
3175 }
3176
3177 /**************************************************************************
3178  *                              widMessage (WINEOSS.6)
3179  */
3180 DWORD WINAPI OSS_widMessage(WORD wDevID, WORD wMsg, DWORD_PTR dwUser,
3181                             DWORD_PTR dwParam1, DWORD_PTR dwParam2)
3182 {
3183     FIXME("(%u, %04X, %08lX, %08lX, %08lX):stub\n", wDevID, wMsg, dwUser, dwParam1, dwParam2);
3184     return MMSYSERR_NOTENABLED;
3185 }
3186
3187 #endif /* HAVE_OSS */