1 /* -*- tab-width: 8; c-basic-offset: 4 -*- */
3 * Sample Wine Driver for Advanced Linux Sound System (ALSA)
4 * Based on version 0.5 of the ALSA API
6 * Copyright 2002 Eric Pouech
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.
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.
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
35 #ifdef HAVE_SYS_IOCTL_H
36 # include <sys/ioctl.h>
38 #ifdef HAVE_SYS_MMAN_H
39 # include <sys/mman.h>
50 #include "wine/debug.h"
52 WINE_DEFAULT_DEBUG_CHANNEL(wave
);
55 #if defined(HAVE_ALSA) && (SND_LIB_MAJOR == 0) && (SND_LIB_MINOR == 5)
57 #define MAX_WAVEOUTDRV (1)
58 #define MAX_WAVEINDRV (1)
60 /* state diagram for waveOut writing:
62 * +---------+-------------+---------------+---------------------------------+
63 * | state | function | event | new state |
64 * +---------+-------------+---------------+---------------------------------+
65 * | | open() | | STOPPED |
66 * | PAUSED | write() | | PAUSED |
67 * | STOPPED | write() | <thrd create> | PLAYING |
68 * | PLAYING | write() | HEADER | PLAYING |
69 * | (other) | write() | <error> | |
70 * | (any) | pause() | PAUSING | PAUSED |
71 * | PAUSED | restart() | RESTARTING | PLAYING (if no thrd => STOPPED) |
72 * | (any) | reset() | RESETTING | STOPPED |
73 * | (any) | close() | CLOSING | CLOSED |
74 * +---------+-------------+---------------+---------------------------------+
77 /* states of the playing device */
78 #define WINE_WS_PLAYING 0
79 #define WINE_WS_PAUSED 1
80 #define WINE_WS_STOPPED 2
81 #define WINE_WS_CLOSED 3
83 /* events to be send to device */
85 WINE_WM_PAUSING
= WM_USER
+ 1, WINE_WM_RESTARTING
, WINE_WM_RESETTING
, WINE_WM_HEADER
,
86 WINE_WM_UPDATE
, WINE_WM_BREAKLOOP
, WINE_WM_CLOSING
90 enum win_wm_message msg
; /* message identifier */
91 DWORD param
; /* parameter for this message */
92 HANDLE hEvent
; /* if message is synchronous, handle of event for synchro */
95 /* implement an in-process message ring for better performance
96 * (compared to passing thru the server)
97 * this ring will be used by the input (resp output) record (resp playback) routine
100 /* FIXME: this could be made a dynamically growing array (if needed) */
101 #define ALSA_RING_BUFFER_SIZE 30
102 ALSA_MSG messages
[ALSA_RING_BUFFER_SIZE
];
106 CRITICAL_SECTION msg_crst
;
110 /* Windows information */
111 volatile int state
; /* one of the WINE_WS_ manifest constants */
112 WAVEOPENDESC waveDesc
;
114 PCMWAVEFORMAT format
;
117 /* ALSA information */
118 snd_pcm_t
* handle
; /* handle to ALSA device */
119 DWORD dwFragmentSize
; /* size of ALSA buffer fragment */
120 DWORD dwBufferSize
; /* size of whole ALSA buffer in bytes */
121 LPWAVEHDR lpQueuePtr
; /* start of queued WAVEHDRs (waiting to be notified) */
122 LPWAVEHDR lpPlayPtr
; /* start of not yet fully played buffers */
123 DWORD dwPartialOffset
; /* Offset of not yet written bytes in lpPlayPtr */
125 LPWAVEHDR lpLoopPtr
; /* pointer of first buffer in loop, if any */
126 DWORD dwLoops
; /* private copy of loop counter */
128 DWORD dwPlayedTotal
; /* number of bytes actually played since opening */
129 DWORD dwWrittenTotal
; /* number of bytes written to ALSA buffer since opening */
131 /* synchronization stuff */
132 HANDLE hStartUpEvent
;
135 ALSA_MSG_RING msgRing
;
137 /* DirectSound stuff */
139 snd_pcm_mmap_control_t
* mmap_control
;
140 unsigned mmap_block_size
;
141 unsigned mmap_block_number
;
144 static WINE_WAVEOUT WOutDev
[MAX_WAVEOUTDRV
];
145 static DWORD ALSA_WodNumDevs
;
147 static DWORD
wodDsCreate(UINT wDevID
, PIDSDRIVER
* drv
);
149 /* These strings used only for tracing */
150 static const char *wodPlayerCmdString
[] = {
152 "WINE_WM_RESTARTING",
160 /*======================================================================*
161 * Low level WAVE implementation *
162 *======================================================================*/
164 /******************************************************************
167 * Initialize internal structures from ALSA information
169 LONG
ALSA_WaveInit(void)
173 snd_pcm_channel_info_t chn_info
;
175 TRACE("There are %d cards\n", snd_cards());
178 if (snd_pcm_open(&h
, 0, 0, SND_PCM_OPEN_DUPLEX
|SND_PCM_OPEN_NONBLOCK
))
180 ERR("Error open: %s\n", snd_strerror(errno
));
183 if (snd_pcm_info(h
, &info
))
185 ERR("Error info: %s\n", snd_strerror(errno
));
189 TRACE("type=%u, flags=%s%s%s name=%s #pb=%d cp=%d\n",
190 info
.type
, (info
.flags
& SND_PCM_INFO_PLAYBACK
) ? "playback " : "",
191 (info
.flags
& SND_PCM_INFO_PLAYBACK
) ? "capture " : "",
192 (info
.flags
& SND_PCM_INFO_DUPLEX
) ? "duplex " : "",
193 info
.name
, info
.playback
, info
.capture
);
194 memset(&chn_info
, 0, sizeof(chn_info
));
195 if (snd_pcm_channel_info(h
, &chn_info
))
197 ERR("Error chn info: %s\n", snd_strerror(errno
));
200 #define X(f,s) ((chn_info.flags & (f)) ? #s " " : "")
201 #define Y(f,s) ((chn_info.rates & (f)) ? #s " " : "")
202 TRACE("subdevice=%d name=%s chn=%d mode=%d\n"
203 "\tflags=%s%s%s%s%s%s%s%s%s%s%s\n"
204 "\tfmts=%u rates=%s%s%s%s%s%s%s%s%s%s%s%s%s\n"
205 "\trates=[%d,%d] voices=[%d,%d] buf_size=%d fg_size=[%d,%d] fg_align=%u\n",
206 chn_info
.subdevice
, chn_info
.subname
, chn_info
.channel
,
208 X(SND_PCM_CHNINFO_MMAP
,MMAP
),
209 X(SND_PCM_CHNINFO_STREAM
,STREAM
),
210 X(SND_PCM_CHNINFO_BLOCK
,BLOCK
),
211 X(SND_PCM_CHNINFO_BATCH
,BATCH
),
212 X(SND_PCM_CHNINFO_INTERLEAVE
,INTERLEAVE
),
213 X(SND_PCM_CHNINFO_NONINTERLEAVE
,NONINTERLEAVE
),
214 X(SND_PCM_CHNINFO_BLOCK_TRANSFER
,BLOCK_TRANSFER
),
215 X(SND_PCM_CHNINFO_OVERRANGE
,OVERRANGE
),
216 X(SND_PCM_CHNINFO_MMAP_VALID
,MMAP_VALID
),
217 X(SND_PCM_CHNINFO_PAUSE
,PAUSE
),
218 X(SND_PCM_CHNINFO_GLOBAL_PARAMS
,GLOBAL_PARAMS
),
220 Y(SND_PCM_RATE_CONTINUOUS
,CONTINUOUS
),
221 Y(SND_PCM_RATE_KNOT
,KNOT
),
222 Y(SND_PCM_RATE_8000
,8000),
223 Y(SND_PCM_RATE_11025
,11025),
224 Y(SND_PCM_RATE_16000
,16000),
225 Y(SND_PCM_RATE_22050
,22050),
226 Y(SND_PCM_RATE_32000
,32000),
227 Y(SND_PCM_RATE_44100
,44100),
228 Y(SND_PCM_RATE_48000
,48000),
229 Y(SND_PCM_RATE_88200
,88200),
230 Y(SND_PCM_RATE_96000
,96000),
231 Y(SND_PCM_RATE_176400
,176400),
232 Y(SND_PCM_RATE_192000
,192000),
233 chn_info
.min_rate
, chn_info
.max_rate
,
234 chn_info
.min_voices
, chn_info
.max_voices
,
235 chn_info
.buffer_size
,
236 chn_info
.min_fragment_size
, chn_info
.max_fragment_size
,
237 chn_info
.fragment_align
);
241 /* FIXME: use better values */
242 WOutDev
[0].caps
.wMid
= 0x0002;
243 WOutDev
[0].caps
.wPid
= 0x0104;
244 strcpy(WOutDev
[0].caps
.szPname
, "SB16 Wave Out");
245 WOutDev
[0].caps
.vDriverVersion
= 0x0100;
246 WOutDev
[0].caps
.dwFormats
= 0x00000000;
247 WOutDev
[0].caps
.dwSupport
= WAVECAPS_VOLUME
;
249 if (chn_info.rates & SND_PCM_RATE_##r) \
251 if (chn_info.formats & SND_PCM_FMT_U8) \
253 if (chn_info.min_voices <= 1 && 1 <= chn_info.max_voices) \
254 WOutDev[0].caps.dwFormats |= WAVE_FORMAT_##v##S08; \
255 if (chn_info.min_voices <= 2 && 2 <= chn_info.max_voices) \
256 WOutDev[0].caps.dwFormats |= WAVE_FORMAT_##v##S08; \
258 if (chn_info.formats & SND_PCM_FMT_S16_LE) \
260 if (chn_info.min_voices <= 1 && 1 <= chn_info.max_voices) \
261 WOutDev[0].caps.dwFormats |= WAVE_FORMAT_##v##S16; \
262 if (chn_info.min_voices <= 2 && 2 <= chn_info.max_voices) \
263 WOutDev[0].caps.dwFormats |= WAVE_FORMAT_##v##S16; \
270 if (chn_info
.min_voices
> 1) FIXME("-\n");
271 WOutDev
[0].caps
.wChannels
= (chn_info
.max_voices
>= 2) ? 2 : 1;
272 if (chn_info
.min_voices
<= 2 && 2 <= chn_info
.max_voices
)
273 WOutDev
[0].caps
.dwSupport
|= WAVECAPS_LRVOLUME
;
275 /* FIXME: always true ? */
276 WOutDev
[0].caps
.dwSupport
|= WAVECAPS_SAMPLEACCURATE
;
278 /* FIXME: is test sufficient ? */
279 if (chn_info
.flags
& SND_PCM_CHNINFO_MMAP
)
280 WOutDev
[0].caps
.dwSupport
|= WAVECAPS_DIRECTSOUND
;
282 TRACE("Configured with dwFmts=%08lx dwSupport=%08lx\n",
283 WOutDev
[0].caps
.dwFormats
, WOutDev
[0].caps
.dwSupport
);
290 /******************************************************************
291 * ALSA_InitRingMessage
293 * Initialize the ring of messages for passing between driver's caller and playback/record
296 static int ALSA_InitRingMessage(ALSA_MSG_RING
* omr
)
300 omr
->msg_event
= CreateEventA(NULL
, FALSE
, FALSE
, NULL
);
301 memset(omr
->messages
, 0, sizeof(ALSA_MSG
) * ALSA_RING_BUFFER_SIZE
);
302 InitializeCriticalSection(&omr
->msg_crst
);
306 /******************************************************************
307 * ALSA_DestroyRingMessage
310 static int ALSA_DestroyRingMessage(ALSA_MSG_RING
* omr
)
312 CloseHandle(omr
->msg_event
);
313 DeleteCriticalSection(&omr
->msg_crst
);
317 /******************************************************************
318 * ALSA_AddRingMessage
320 * Inserts a new message into the ring (should be called from DriverProc derivated routines)
322 static int ALSA_AddRingMessage(ALSA_MSG_RING
* omr
, enum win_wm_message msg
, DWORD param
, BOOL wait
)
324 HANDLE hEvent
= INVALID_HANDLE_VALUE
;
326 EnterCriticalSection(&omr
->msg_crst
);
327 if ((omr
->msg_toget
== ((omr
->msg_tosave
+ 1) % ALSA_RING_BUFFER_SIZE
))) /* buffer overflow ? */
329 ERR("buffer overflow !?\n");
330 LeaveCriticalSection(&omr
->msg_crst
);
335 hEvent
= CreateEventA(NULL
, FALSE
, FALSE
, NULL
);
336 if (hEvent
== INVALID_HANDLE_VALUE
)
338 ERR("can't create event !?\n");
339 LeaveCriticalSection(&omr
->msg_crst
);
342 if (omr
->msg_toget
!= omr
->msg_tosave
&& omr
->messages
[omr
->msg_toget
].msg
!= WINE_WM_HEADER
)
343 FIXME("two fast messages in the queue!!!!\n");
345 /* fast messages have to be added at the start of the queue */
346 omr
->msg_toget
= (omr
->msg_toget
+ ALSA_RING_BUFFER_SIZE
- 1) % ALSA_RING_BUFFER_SIZE
;
348 omr
->messages
[omr
->msg_toget
].msg
= msg
;
349 omr
->messages
[omr
->msg_toget
].param
= param
;
350 omr
->messages
[omr
->msg_toget
].hEvent
= hEvent
;
354 omr
->messages
[omr
->msg_tosave
].msg
= msg
;
355 omr
->messages
[omr
->msg_tosave
].param
= param
;
356 omr
->messages
[omr
->msg_tosave
].hEvent
= INVALID_HANDLE_VALUE
;
357 omr
->msg_tosave
= (omr
->msg_tosave
+ 1) % ALSA_RING_BUFFER_SIZE
;
359 LeaveCriticalSection(&omr
->msg_crst
);
360 /* signal a new message */
361 SetEvent(omr
->msg_event
);
364 /* wait for playback/record thread to have processed the message */
365 WaitForSingleObject(hEvent
, INFINITE
);
371 /******************************************************************
372 * ALSA_RetrieveRingMessage
374 * Get a message from the ring. Should be called by the playback/record thread.
376 static int ALSA_RetrieveRingMessage(ALSA_MSG_RING
* omr
,
377 enum win_wm_message
*msg
, DWORD
*param
, HANDLE
*hEvent
)
379 EnterCriticalSection(&omr
->msg_crst
);
381 if (omr
->msg_toget
== omr
->msg_tosave
) /* buffer empty ? */
383 LeaveCriticalSection(&omr
->msg_crst
);
387 *msg
= omr
->messages
[omr
->msg_toget
].msg
;
388 omr
->messages
[omr
->msg_toget
].msg
= 0;
389 *param
= omr
->messages
[omr
->msg_toget
].param
;
390 *hEvent
= omr
->messages
[omr
->msg_toget
].hEvent
;
391 omr
->msg_toget
= (omr
->msg_toget
+ 1) % ALSA_RING_BUFFER_SIZE
;
392 LeaveCriticalSection(&omr
->msg_crst
);
396 /*======================================================================*
397 * Low level WAVE OUT implementation *
398 *======================================================================*/
400 /**************************************************************************
401 * wodNotifyClient [internal]
403 static DWORD
wodNotifyClient(WINE_WAVEOUT
* wwo
, WORD wMsg
, DWORD dwParam1
, DWORD dwParam2
)
405 TRACE("wMsg = 0x%04x dwParm1 = %04lX dwParam2 = %04lX\n", wMsg
, dwParam1
, dwParam2
);
411 if (wwo
->wFlags
!= DCB_NULL
&&
412 !DriverCallback(wwo
->waveDesc
.dwCallback
, wwo
->wFlags
, wwo
->waveDesc
.hWave
,
413 wMsg
, wwo
->waveDesc
.dwInstance
, dwParam1
, dwParam2
)) {
414 WARN("can't notify client !\n");
415 return MMSYSERR_ERROR
;
419 FIXME("Unknown callback message %u\n", wMsg
);
420 return MMSYSERR_INVALPARAM
;
422 return MMSYSERR_NOERROR
;
425 /**************************************************************************
426 * wodUpdatePlayedTotal [internal]
429 static BOOL
wodUpdatePlayedTotal(WINE_WAVEOUT
* wwo
, snd_pcm_channel_status_t
* ps
)
431 snd_pcm_channel_status_t s
;
432 snd_pcm_channel_status_t
* status
= (ps
) ? ps
: &s
;
434 if (snd_pcm_channel_status(wwo
->handle
, status
))
436 ERR("Can't get channel status: %s\n", snd_strerror(errno
));
439 wwo
->dwPlayedTotal
= wwo
->dwWrittenTotal
- (wwo
->dwBufferSize
- status
->count
);
440 if (wwo
->dwPlayedTotal
!= status
->scount
)
442 FIXME("Ooch: %u played by ALSA, %lu counted by driver\n",
443 status
->scount
, wwo
->dwPlayedTotal
);
444 if (wwo
->dwPlayedTotal
& 0x8000000) wwo
->dwPlayedTotal
= 0;
449 /**************************************************************************
450 * wodPlayer_BeginWaveHdr [internal]
452 * Makes the specified lpWaveHdr the currently playing wave header.
453 * If the specified wave header is a begin loop and we're not already in
454 * a loop, setup the loop.
456 static void wodPlayer_BeginWaveHdr(WINE_WAVEOUT
* wwo
, LPWAVEHDR lpWaveHdr
)
458 wwo
->lpPlayPtr
= lpWaveHdr
;
460 if (!lpWaveHdr
) return;
462 if (lpWaveHdr
->dwFlags
& WHDR_BEGINLOOP
) {
463 if (wwo
->lpLoopPtr
) {
464 WARN("Already in a loop. Discarding loop on this header (%p)\n", lpWaveHdr
);
466 TRACE("Starting loop (%ldx) with %p\n", lpWaveHdr
->dwLoops
, lpWaveHdr
);
467 wwo
->lpLoopPtr
= lpWaveHdr
;
468 /* Windows does not touch WAVEHDR.dwLoops,
469 * so we need to make an internal copy */
470 wwo
->dwLoops
= lpWaveHdr
->dwLoops
;
473 wwo
->dwPartialOffset
= 0;
476 /**************************************************************************
477 * wodPlayer_PlayPtrNext [internal]
479 * Advance the play pointer to the next waveheader, looping if required.
481 static LPWAVEHDR
wodPlayer_PlayPtrNext(WINE_WAVEOUT
* wwo
)
483 LPWAVEHDR lpWaveHdr
= wwo
->lpPlayPtr
;
485 wwo
->dwPartialOffset
= 0;
486 if ((lpWaveHdr
->dwFlags
& WHDR_ENDLOOP
) && wwo
->lpLoopPtr
) {
487 /* We're at the end of a loop, loop if required */
488 if (--wwo
->dwLoops
> 0) {
489 wwo
->lpPlayPtr
= wwo
->lpLoopPtr
;
491 /* Handle overlapping loops correctly */
492 if (wwo
->lpLoopPtr
!= lpWaveHdr
&& (lpWaveHdr
->dwFlags
& WHDR_BEGINLOOP
)) {
493 FIXME("Correctly handled case ? (ending loop buffer also starts a new loop)\n");
494 /* shall we consider the END flag for the closing loop or for
495 * the opening one or for both ???
496 * code assumes for closing loop only
499 lpWaveHdr
= lpWaveHdr
->lpNext
;
501 wwo
->lpLoopPtr
= NULL
;
502 wodPlayer_BeginWaveHdr(wwo
, lpWaveHdr
);
505 /* We're not in a loop. Advance to the next wave header */
506 wodPlayer_BeginWaveHdr(wwo
, lpWaveHdr
= lpWaveHdr
->lpNext
);
512 /**************************************************************************
513 * wodPlayer_DSPWait [internal]
514 * Returns the number of milliseconds to wait for the DSP buffer to write
517 static DWORD
wodPlayer_DSPWait(const WINE_WAVEOUT
*wwo
)
519 /* time for one fragment to be played */
520 return wwo
->dwFragmentSize
* 1000 / wwo
->format
.wf
.nAvgBytesPerSec
;
523 /**************************************************************************
524 * wodPlayer_NotifyWait [internal]
525 * Returns the number of milliseconds to wait before attempting to notify
526 * completion of the specified wavehdr.
527 * This is based on the number of bytes remaining to be written in the
530 static DWORD
wodPlayer_NotifyWait(const WINE_WAVEOUT
* wwo
, LPWAVEHDR lpWaveHdr
)
534 if (lpWaveHdr
->reserved
< wwo
->dwPlayedTotal
) {
537 dwMillis
= (lpWaveHdr
->reserved
- wwo
->dwPlayedTotal
) * 1000 / wwo
->format
.wf
.nAvgBytesPerSec
;
538 if (!dwMillis
) dwMillis
= 1;
545 /**************************************************************************
546 * wodPlayer_WriteMaxFrags [internal]
547 * Writes the maximum number of bytes palsaible to the DSP and returns
548 * the number of bytes written.
550 static int wodPlayer_WriteMaxFrags(WINE_WAVEOUT
* wwo
, DWORD
* bytes
)
552 /* Only attempt to write to free bytes */
553 DWORD dwLength
= wwo
->lpPlayPtr
->dwBufferLength
- wwo
->dwPartialOffset
;
554 int toWrite
= min(dwLength
, *bytes
);
557 TRACE("Writing wavehdr %p.%lu[%lu]\n",
558 wwo
->lpPlayPtr
, wwo
->dwPartialOffset
, wwo
->lpPlayPtr
->dwBufferLength
);
559 written
= snd_pcm_write(wwo
->handle
, wwo
->lpPlayPtr
->lpData
+ wwo
->dwPartialOffset
, toWrite
);
562 ERR("Wrote: %d bytes (%s)\n", written
, snd_strerror(errno
));
566 if (written
>= dwLength
) {
567 /* If we wrote all current wavehdr, skip to the next one */
568 wodPlayer_PlayPtrNext(wwo
);
570 /* Remove the amount written */
571 wwo
->dwPartialOffset
+= written
;
574 wwo
->dwWrittenTotal
+= written
;
580 /**************************************************************************
581 * wodPlayer_NotifyCompletions [internal]
583 * Notifies and remove from queue all wavehdrs which have been played to
584 * the speaker (ie. they have cleared the ALSA buffer). If force is true,
585 * we notify all wavehdrs and remove them all from the queue even if they
586 * are unplayed or part of a loop.
588 static DWORD
wodPlayer_NotifyCompletions(WINE_WAVEOUT
* wwo
, BOOL force
)
592 /* Start from lpQueuePtr and keep notifying until:
593 * - we hit an unwritten wavehdr
594 * - we hit the beginning of a running loop
595 * - we hit a wavehdr which hasn't finished playing
597 while ((lpWaveHdr
= wwo
->lpQueuePtr
) &&
599 (lpWaveHdr
!= wwo
->lpPlayPtr
&&
600 lpWaveHdr
!= wwo
->lpLoopPtr
&&
601 lpWaveHdr
->reserved
<= wwo
->dwPlayedTotal
))) {
603 wwo
->lpQueuePtr
= lpWaveHdr
->lpNext
;
605 lpWaveHdr
->dwFlags
&= ~WHDR_INQUEUE
;
606 lpWaveHdr
->dwFlags
|= WHDR_DONE
;
608 wodNotifyClient(wwo
, WOM_DONE
, (DWORD
)lpWaveHdr
, 0);
610 return (lpWaveHdr
&& lpWaveHdr
!= wwo
->lpPlayPtr
&& lpWaveHdr
!= wwo
->lpLoopPtr
) ?
611 wodPlayer_NotifyWait(wwo
, lpWaveHdr
) : INFINITE
;
614 /**************************************************************************
615 * wodPlayer_Reset [internal]
617 * wodPlayer helper. Resets current output stream.
619 static void wodPlayer_Reset(WINE_WAVEOUT
* wwo
, BOOL reset
)
621 wodUpdatePlayedTotal(wwo
, NULL
);
622 /* updates current notify list */
623 wodPlayer_NotifyCompletions(wwo
, FALSE
);
625 if (snd_pcm_playback_flush(wwo
->handle
) != 0) {
626 FIXME("flush: %s\n", snd_strerror(errno
));
628 wwo
->state
= WINE_WS_STOPPED
;
633 enum win_wm_message msg
;
637 /* remove any buffer */
638 wodPlayer_NotifyCompletions(wwo
, TRUE
);
640 wwo
->lpPlayPtr
= wwo
->lpQueuePtr
= wwo
->lpLoopPtr
= NULL
;
641 wwo
->state
= WINE_WS_STOPPED
;
642 wwo
->dwPlayedTotal
= wwo
->dwWrittenTotal
= 0;
643 /* Clear partial wavehdr */
644 wwo
->dwPartialOffset
= 0;
646 /* remove any existing message in the ring */
647 EnterCriticalSection(&wwo
->msgRing
.msg_crst
);
648 /* return all pending headers in queue */
649 while (ALSA_RetrieveRingMessage(&wwo
->msgRing
, &msg
, ¶m
, &ev
))
651 if (msg
!= WINE_WM_HEADER
)
653 FIXME("shouldn't have headers left\n");
657 ((LPWAVEHDR
)param
)->dwFlags
&= ~WHDR_INQUEUE
;
658 ((LPWAVEHDR
)param
)->dwFlags
|= WHDR_DONE
;
660 wodNotifyClient(wwo
, WOM_DONE
, param
, 0);
662 ResetEvent(wwo
->msgRing
.msg_event
);
663 LeaveCriticalSection(&wwo
->msgRing
.msg_crst
);
665 if (wwo
->lpLoopPtr
) {
666 /* complicated case, not handled yet (could imply modifying the loop counter */
667 FIXME("Pausing while in loop isn't correctly handled yet, except strange results\n");
668 wwo
->lpPlayPtr
= wwo
->lpLoopPtr
;
669 wwo
->dwPartialOffset
= 0;
670 wwo
->dwWrittenTotal
= wwo
->dwPlayedTotal
; /* this is wrong !!! */
673 DWORD sz
= wwo
->dwPartialOffset
;
675 /* reset all the data as if we had written only up to lpPlayedTotal bytes */
676 /* compute the max size playable from lpQueuePtr */
677 for (ptr
= wwo
->lpQueuePtr
; ptr
!= wwo
->lpPlayPtr
; ptr
= ptr
->lpNext
) {
678 sz
+= ptr
->dwBufferLength
;
680 /* because the reset lpPlayPtr will be lpQueuePtr */
681 if (wwo
->dwWrittenTotal
> wwo
->dwPlayedTotal
+ sz
) ERR("grin\n");
682 wwo
->dwPartialOffset
= sz
- (wwo
->dwWrittenTotal
- wwo
->dwPlayedTotal
);
683 wwo
->dwWrittenTotal
= wwo
->dwPlayedTotal
;
684 wwo
->lpPlayPtr
= wwo
->lpQueuePtr
;
686 wwo
->state
= WINE_WS_PAUSED
;
690 /**************************************************************************
691 * wodPlayer_ProcessMessages [internal]
693 static void wodPlayer_ProcessMessages(WINE_WAVEOUT
* wwo
)
696 enum win_wm_message msg
;
700 while (ALSA_RetrieveRingMessage(&wwo
->msgRing
, &msg
, ¶m
, &ev
)) {
701 TRACE("Received %s %lx\n", wodPlayerCmdString
[msg
- WM_USER
- 1], param
);
704 case WINE_WM_PAUSING
:
705 wodPlayer_Reset(wwo
, FALSE
);
708 case WINE_WM_RESTARTING
:
709 if (wwo
->state
== WINE_WS_PAUSED
)
711 snd_pcm_playback_prepare(wwo
->handle
);
712 wwo
->state
= WINE_WS_PLAYING
;
717 lpWaveHdr
= (LPWAVEHDR
)param
;
719 /* insert buffer at the end of queue */
722 for (wh
= &(wwo
->lpQueuePtr
); *wh
; wh
= &((*wh
)->lpNext
));
726 wodPlayer_BeginWaveHdr(wwo
,lpWaveHdr
);
727 if (wwo
->state
== WINE_WS_STOPPED
)
728 wwo
->state
= WINE_WS_PLAYING
;
730 case WINE_WM_RESETTING
:
731 wodPlayer_Reset(wwo
, TRUE
);
735 wodUpdatePlayedTotal(wwo
, NULL
);
738 case WINE_WM_BREAKLOOP
:
739 if (wwo
->state
== WINE_WS_PLAYING
&& wwo
->lpLoopPtr
!= NULL
) {
740 /* ensure exit at end of current loop */
745 case WINE_WM_CLOSING
:
746 /* sanity check: this should not happen since the device must have been reset before */
747 if (wwo
->lpQueuePtr
|| wwo
->lpPlayPtr
) ERR("out of sync\n");
749 wwo
->state
= WINE_WS_CLOSED
;
752 /* shouldn't go here */
754 FIXME("unknown message %d\n", msg
);
760 /**************************************************************************
761 * wodPlayer_FeedDSP [internal]
762 * Feed as much sound data as we can into the DSP and return the number of
763 * milliseconds before it will be necessary to feed the DSP again.
765 static DWORD
wodPlayer_FeedDSP(WINE_WAVEOUT
* wwo
)
767 snd_pcm_channel_status_t status
;
770 wodUpdatePlayedTotal(wwo
, &status
);
771 availInQ
= status
.free
;
775 TRACE("fragments=%d/%d, fragsize=%d, bytes=%d\n",
776 dspspace
.fragments
, dspspace
.fragstotal
, dspspace
.fragsize
, dspspace
.bytes
);
779 /* input queue empty and output buffer with less than one fragment to play */
780 /* FIXME: we should be able to catch OVERRUN errors */
781 if (!wwo
->lpPlayPtr
&& wwo
->dwBufferSize
< availInQ
+ 2 * wwo
->dwFragmentSize
) {
782 TRACE("Run out of wavehdr:s... flushing\n");
783 snd_pcm_playback_drain(wwo
->handle
);
784 wwo
->dwPlayedTotal
= wwo
->dwWrittenTotal
;
788 /* no more room... no need to try to feed */
789 if (status
.free
> 0) {
790 /* Feed from partial wavehdr */
791 if (wwo
->lpPlayPtr
&& wwo
->dwPartialOffset
!= 0) {
792 wodPlayer_WriteMaxFrags(wwo
, &availInQ
);
795 /* Feed wavehdrs until we run out of wavehdrs or DSP space */
796 if (wwo
->dwPartialOffset
== 0) {
797 while (wwo
->lpPlayPtr
&& availInQ
> 0) {
798 /* note the value that dwPlayedTotal will return when this wave finishes playing */
799 wwo
->lpPlayPtr
->reserved
= wwo
->dwWrittenTotal
+ wwo
->lpPlayPtr
->dwBufferLength
;
800 wodPlayer_WriteMaxFrags(wwo
, &availInQ
);
804 return wodPlayer_DSPWait(wwo
);
808 /**************************************************************************
809 * wodPlayer [internal]
811 static DWORD CALLBACK
wodPlayer(LPVOID pmt
)
813 WORD uDevID
= (DWORD
)pmt
;
814 WINE_WAVEOUT
* wwo
= (WINE_WAVEOUT
*)&WOutDev
[uDevID
];
815 DWORD dwNextFeedTime
= INFINITE
; /* Time before DSP needs feeding */
816 DWORD dwNextNotifyTime
= INFINITE
; /* Time before next wave completion */
819 wwo
->state
= WINE_WS_STOPPED
;
820 SetEvent(wwo
->hStartUpEvent
);
823 /** Wait for the shortest time before an action is required. If there
824 * are no pending actions, wait forever for a command.
826 dwSleepTime
= min(dwNextFeedTime
, dwNextNotifyTime
);
827 TRACE("waiting %lums (%lu,%lu)\n", dwSleepTime
, dwNextFeedTime
, dwNextNotifyTime
);
828 WaitForSingleObject(wwo
->msgRing
.msg_event
, dwSleepTime
);
829 wodPlayer_ProcessMessages(wwo
);
830 if (wwo
->state
== WINE_WS_PLAYING
) {
831 dwNextFeedTime
= wodPlayer_FeedDSP(wwo
);
832 dwNextNotifyTime
= wodPlayer_NotifyCompletions(wwo
, FALSE
);
834 dwNextFeedTime
= dwNextNotifyTime
= INFINITE
;
839 /**************************************************************************
840 * wodGetDevCaps [internal]
842 static DWORD
wodGetDevCaps(WORD wDevID
, LPWAVEOUTCAPSA lpCaps
, DWORD dwSize
)
844 TRACE("(%u, %p, %lu);\n", wDevID
, lpCaps
, dwSize
);
846 if (lpCaps
== NULL
) return MMSYSERR_NOTENABLED
;
848 if (wDevID
>= MAX_WAVEOUTDRV
) {
849 TRACE("MAX_WAVOUTDRV reached !\n");
850 return MMSYSERR_BADDEVICEID
;
853 memcpy(lpCaps
, &WOutDev
[wDevID
].caps
, min(dwSize
, sizeof(*lpCaps
)));
854 return MMSYSERR_NOERROR
;
857 /**************************************************************************
860 static DWORD
wodOpen(WORD wDevID
, LPWAVEOPENDESC lpDesc
, DWORD dwFlags
)
863 snd_pcm_channel_params_t params
;
865 TRACE("(%u, %p, %08lX);\n", wDevID
, lpDesc
, dwFlags
);
866 if (lpDesc
== NULL
) {
867 WARN("Invalid Parameter !\n");
868 return MMSYSERR_INVALPARAM
;
870 if (wDevID
>= MAX_WAVEOUTDRV
) {
871 TRACE("MAX_WAVOUTDRV reached !\n");
872 return MMSYSERR_BADDEVICEID
;
875 /* only PCM format is supported so far... */
876 if (lpDesc
->lpFormat
->wFormatTag
!= WAVE_FORMAT_PCM
||
877 lpDesc
->lpFormat
->nChannels
== 0 ||
878 lpDesc
->lpFormat
->nSamplesPerSec
== 0) {
879 WARN("Bad format: tag=%04X nChannels=%d nSamplesPerSec=%ld !\n",
880 lpDesc
->lpFormat
->wFormatTag
, lpDesc
->lpFormat
->nChannels
,
881 lpDesc
->lpFormat
->nSamplesPerSec
);
882 return WAVERR_BADFORMAT
;
885 if (dwFlags
& WAVE_FORMAT_QUERY
) {
886 TRACE("Query format: tag=%04X nChannels=%d nSamplesPerSec=%ld !\n",
887 lpDesc
->lpFormat
->wFormatTag
, lpDesc
->lpFormat
->nChannels
,
888 lpDesc
->lpFormat
->nSamplesPerSec
);
889 return MMSYSERR_NOERROR
;
892 wwo
= &WOutDev
[wDevID
];
894 if ((dwFlags
& WAVE_DIRECTSOUND
) && !(wwo
->caps
.dwSupport
& WAVECAPS_DIRECTSOUND
))
895 /* not supported, ignore it */
896 dwFlags
&= ~WAVE_DIRECTSOUND
;
899 if (snd_pcm_open(&wwo
->handle
, wDevID
, 0, SND_PCM_OPEN_DUPLEX
|SND_PCM_OPEN_NONBLOCK
))
901 ERR("Error open: %s\n", snd_strerror(errno
));
902 return MMSYSERR_NOTENABLED
;
905 memset(¶ms
, 0, sizeof(params
));
906 params
.channel
= SND_PCM_CHANNEL_PLAYBACK
;
907 params
.start_mode
= SND_PCM_START_DATA
;
908 params
.stop_mode
= SND_PCM_STOP_STOP
;
909 params
.mode
= SND_PCM_MODE_STREAM
;
910 params
.buf
.stream
.queue_size
= 0x1000;
911 params
.buf
.stream
.fill
= SND_PCM_FILL_SILENCE
;
912 params
.buf
.stream
.max_fill
= 0x800;
914 wwo
->wFlags
= HIWORD(dwFlags
& CALLBACK_TYPEMASK
);
916 memcpy(&wwo
->waveDesc
, lpDesc
, sizeof(WAVEOPENDESC
));
917 memcpy(&wwo
->format
, lpDesc
->lpFormat
, sizeof(PCMWAVEFORMAT
));
919 if (wwo
->format
.wBitsPerSample
== 0) {
920 WARN("Resetting zeroed wBitsPerSample\n");
921 wwo
->format
.wBitsPerSample
= 8 *
922 (wwo
->format
.wf
.nAvgBytesPerSec
/
923 wwo
->format
.wf
.nSamplesPerSec
) /
924 wwo
->format
.wf
.nChannels
;
926 params
.format
.interleave
= 1;
927 params
.format
.format
= (wwo
->format
.wBitsPerSample
== 16) ?
928 SND_PCM_SFMT_S16_LE
: SND_PCM_SFMT_U8
;
929 params
.format
.rate
= wwo
->format
.wf
.nSamplesPerSec
;
930 params
.format
.voices
= (wwo
->format
.wf
.nChannels
> 1) ? 2 : 1;
931 params
.format
.special
= 0;
933 if (snd_pcm_channel_params(wwo
->handle
, ¶ms
))
935 ERR("Can't set params: %s\n", snd_strerror(errno
));
936 snd_pcm_close(wwo
->handle
);
938 return MMSYSERR_INVALPARAM
;
942 if (params
.format
.rate
!= format
!= ((wwo
->format
.wBitsPerSample
== 16) ? AFMT_S16_LE
: AFMT_U8
))
943 ERR("Can't set format to %d (%d)\n",
944 (wwo
->format
.wBitsPerSample
== 16) ? AFMT_S16_LE
: AFMT_U8
, format
);
945 if (dsp_stereo
!= (wwo
->format
.wf
.nChannels
> 1) ? 1 : 0)
946 ERR("Can't set stereo to %u (%d)\n",
947 (wwo
->format
.wf
.nChannels
> 1) ? 1 : 0, dsp_stereo
);
948 if (!NEAR_MATCH(sample_rate
, wwo
->format
.wf
.nSamplesPerSec
))
949 ERR("Can't set sample_rate to %lu (%d)\n",
950 wwo
->format
.wf
.nSamplesPerSec
, sample_rate
);
953 snd_pcm_playback_prepare(wwo
->handle
);
955 /* Remember fragsize and total buffer size for future use */
956 wwo
->dwBufferSize
= params
.buf
.stream
.queue_size
;
957 /* FIXME: should get rid off fragment size */
958 wwo
->dwFragmentSize
= wwo
->dwBufferSize
>> 4; /* why not */
959 wwo
->dwPlayedTotal
= 0;
960 wwo
->dwWrittenTotal
= 0;
961 wwo
->lpQueuePtr
= wwo
->lpPlayPtr
= wwo
->lpLoopPtr
= NULL
;
963 ALSA_InitRingMessage(&wwo
->msgRing
);
965 if (!(dwFlags
& WAVE_DIRECTSOUND
)) {
966 wwo
->hStartUpEvent
= CreateEventA(NULL
, FALSE
, FALSE
, NULL
);
967 wwo
->hThread
= CreateThread(NULL
, 0, wodPlayer
, (LPVOID
)(DWORD
)wDevID
, 0, &(wwo
->dwThreadID
));
968 WaitForSingleObject(wwo
->hStartUpEvent
, INFINITE
);
969 CloseHandle(wwo
->hStartUpEvent
);
971 wwo
->hThread
= INVALID_HANDLE_VALUE
;
974 wwo
->hStartUpEvent
= INVALID_HANDLE_VALUE
;
976 TRACE("handle=%08lx fragmentSize=%ld\n",
977 (DWORD
)wwo
->handle
, wwo
->dwFragmentSize
);
978 if (wwo
->dwFragmentSize
% wwo
->format
.wf
.nBlockAlign
)
979 ERR("Fragment doesn't contain an integral number of data blocks\n");
981 TRACE("wBitsPerSample=%u, nAvgBytesPerSec=%lu, nSamplesPerSec=%lu, nChannels=%u nBlockAlign=%u!\n",
982 wwo
->format
.wBitsPerSample
, wwo
->format
.wf
.nAvgBytesPerSec
,
983 wwo
->format
.wf
.nSamplesPerSec
, wwo
->format
.wf
.nChannels
,
984 wwo
->format
.wf
.nBlockAlign
);
986 return wodNotifyClient(wwo
, WOM_OPEN
, 0L, 0L);
989 /**************************************************************************
990 * wodClose [internal]
992 static DWORD
wodClose(WORD wDevID
)
994 DWORD ret
= MMSYSERR_NOERROR
;
997 TRACE("(%u);\n", wDevID
);
999 if (wDevID
>= MAX_WAVEOUTDRV
|| WOutDev
[wDevID
].handle
== NULL
) {
1000 WARN("bad device ID !\n");
1001 return MMSYSERR_BADDEVICEID
;
1004 wwo
= &WOutDev
[wDevID
];
1005 if (wwo
->lpQueuePtr
) {
1006 WARN("buffers still playing !\n");
1007 ret
= WAVERR_STILLPLAYING
;
1009 if (wwo
->hThread
!= INVALID_HANDLE_VALUE
) {
1010 ALSA_AddRingMessage(&wwo
->msgRing
, WINE_WM_CLOSING
, 0, TRUE
);
1012 if (wwo
->mmap_buffer
) {
1013 snd_pcm_munmap(wwo
->handle
, SND_PCM_CHANNEL_PLAYBACK
);
1014 wwo
->mmap_buffer
= wwo
->mmap_control
= NULL
;
1017 ALSA_DestroyRingMessage(&wwo
->msgRing
);
1019 snd_pcm_close(wwo
->handle
);
1021 wwo
->dwFragmentSize
= 0;
1022 ret
= wodNotifyClient(wwo
, WOM_CLOSE
, 0L, 0L);
1027 /**************************************************************************
1028 * wodWrite [internal]
1031 static DWORD
wodWrite(WORD wDevID
, LPWAVEHDR lpWaveHdr
, DWORD dwSize
)
1033 TRACE("(%u, %p, %08lX);\n", wDevID
, lpWaveHdr
, dwSize
);
1035 /* first, do the sanity checks... */
1036 if (wDevID
>= MAX_WAVEOUTDRV
|| WOutDev
[wDevID
].handle
== NULL
) {
1037 WARN("bad dev ID !\n");
1038 return MMSYSERR_BADDEVICEID
;
1041 if (lpWaveHdr
->lpData
== NULL
|| !(lpWaveHdr
->dwFlags
& WHDR_PREPARED
))
1042 return WAVERR_UNPREPARED
;
1044 if (lpWaveHdr
->dwFlags
& WHDR_INQUEUE
)
1045 return WAVERR_STILLPLAYING
;
1047 lpWaveHdr
->dwFlags
&= ~WHDR_DONE
;
1048 lpWaveHdr
->dwFlags
|= WHDR_INQUEUE
;
1049 lpWaveHdr
->lpNext
= 0;
1051 ALSA_AddRingMessage(&WOutDev
[wDevID
].msgRing
, WINE_WM_HEADER
, (DWORD
)lpWaveHdr
, FALSE
);
1053 return MMSYSERR_NOERROR
;
1056 /**************************************************************************
1057 * wodPrepare [internal]
1059 static DWORD
wodPrepare(WORD wDevID
, LPWAVEHDR lpWaveHdr
, DWORD dwSize
)
1061 TRACE("(%u, %p, %08lX);\n", wDevID
, lpWaveHdr
, dwSize
);
1063 if (wDevID
>= MAX_WAVEOUTDRV
) {
1064 WARN("bad device ID !\n");
1065 return MMSYSERR_BADDEVICEID
;
1068 if (lpWaveHdr
->dwFlags
& WHDR_INQUEUE
)
1069 return WAVERR_STILLPLAYING
;
1071 lpWaveHdr
->dwFlags
|= WHDR_PREPARED
;
1072 lpWaveHdr
->dwFlags
&= ~WHDR_DONE
;
1073 return MMSYSERR_NOERROR
;
1076 /**************************************************************************
1077 * wodUnprepare [internal]
1079 static DWORD
wodUnprepare(WORD wDevID
, LPWAVEHDR lpWaveHdr
, DWORD dwSize
)
1081 TRACE("(%u, %p, %08lX);\n", wDevID
, lpWaveHdr
, dwSize
);
1083 if (wDevID
>= MAX_WAVEOUTDRV
) {
1084 WARN("bad device ID !\n");
1085 return MMSYSERR_BADDEVICEID
;
1088 if (lpWaveHdr
->dwFlags
& WHDR_INQUEUE
)
1089 return WAVERR_STILLPLAYING
;
1091 lpWaveHdr
->dwFlags
&= ~WHDR_PREPARED
;
1092 lpWaveHdr
->dwFlags
|= WHDR_DONE
;
1094 return MMSYSERR_NOERROR
;
1097 /**************************************************************************
1098 * wodPause [internal]
1100 static DWORD
wodPause(WORD wDevID
)
1102 TRACE("(%u);!\n", wDevID
);
1104 if (wDevID
>= MAX_WAVEOUTDRV
|| WOutDev
[wDevID
].handle
== NULL
) {
1105 WARN("bad device ID !\n");
1106 return MMSYSERR_BADDEVICEID
;
1109 ALSA_AddRingMessage(&WOutDev
[wDevID
].msgRing
, WINE_WM_PAUSING
, 0, TRUE
);
1111 return MMSYSERR_NOERROR
;
1114 /**************************************************************************
1115 * wodRestart [internal]
1117 static DWORD
wodRestart(WORD wDevID
)
1119 TRACE("(%u);\n", wDevID
);
1121 if (wDevID
>= MAX_WAVEOUTDRV
|| WOutDev
[wDevID
].handle
== NULL
) {
1122 WARN("bad device ID !\n");
1123 return MMSYSERR_BADDEVICEID
;
1126 if (WOutDev
[wDevID
].state
== WINE_WS_PAUSED
) {
1127 ALSA_AddRingMessage(&WOutDev
[wDevID
].msgRing
, WINE_WM_RESTARTING
, 0, TRUE
);
1130 /* FIXME: is NotifyClient with WOM_DONE right ? (Comet Busters 1.3.3 needs this notification) */
1131 /* FIXME: Myst crashes with this ... hmm -MM
1132 return wodNotifyClient(wwo, WOM_DONE, 0L, 0L);
1135 return MMSYSERR_NOERROR
;
1138 /**************************************************************************
1139 * wodReset [internal]
1141 static DWORD
wodReset(WORD wDevID
)
1143 TRACE("(%u);\n", wDevID
);
1145 if (wDevID
>= MAX_WAVEOUTDRV
|| WOutDev
[wDevID
].handle
== NULL
) {
1146 WARN("bad device ID !\n");
1147 return MMSYSERR_BADDEVICEID
;
1150 ALSA_AddRingMessage(&WOutDev
[wDevID
].msgRing
, WINE_WM_RESETTING
, 0, TRUE
);
1152 return MMSYSERR_NOERROR
;
1155 /**************************************************************************
1156 * wodGetPosition [internal]
1158 static DWORD
wodGetPosition(WORD wDevID
, LPMMTIME lpTime
, DWORD uSize
)
1164 TRACE("(%u, %p, %lu);\n", wDevID
, lpTime
, uSize
);
1166 if (wDevID
>= MAX_WAVEOUTDRV
|| WOutDev
[wDevID
].handle
== NULL
) {
1167 WARN("bad device ID !\n");
1168 return MMSYSERR_BADDEVICEID
;
1171 if (lpTime
== NULL
) return MMSYSERR_INVALPARAM
;
1173 wwo
= &WOutDev
[wDevID
];
1174 ALSA_AddRingMessage(&wwo
->msgRing
, WINE_WM_UPDATE
, 0, TRUE
);
1175 val
= wwo
->dwPlayedTotal
;
1177 TRACE("wType=%04X wBitsPerSample=%u nSamplesPerSec=%lu nChannels=%u nAvgBytesPerSec=%lu\n",
1178 lpTime
->wType
, wwo
->format
.wBitsPerSample
,
1179 wwo
->format
.wf
.nSamplesPerSec
, wwo
->format
.wf
.nChannels
,
1180 wwo
->format
.wf
.nAvgBytesPerSec
);
1181 TRACE("dwPlayedTotal=%lu\n", val
);
1183 switch (lpTime
->wType
) {
1186 TRACE("TIME_BYTES=%lu\n", lpTime
->u
.cb
);
1189 lpTime
->u
.sample
= val
* 8 / wwo
->format
.wBitsPerSample
/wwo
->format
.wf
.nChannels
;
1190 TRACE("TIME_SAMPLES=%lu\n", lpTime
->u
.sample
);
1193 time
= val
/ (wwo
->format
.wf
.nAvgBytesPerSec
/ 1000);
1194 lpTime
->u
.smpte
.hour
= time
/ 108000;
1195 time
-= lpTime
->u
.smpte
.hour
* 108000;
1196 lpTime
->u
.smpte
.min
= time
/ 1800;
1197 time
-= lpTime
->u
.smpte
.min
* 1800;
1198 lpTime
->u
.smpte
.sec
= time
/ 30;
1199 time
-= lpTime
->u
.smpte
.sec
* 30;
1200 lpTime
->u
.smpte
.frame
= time
;
1201 lpTime
->u
.smpte
.fps
= 30;
1202 TRACE("TIME_SMPTE=%02u:%02u:%02u:%02u\n",
1203 lpTime
->u
.smpte
.hour
, lpTime
->u
.smpte
.min
,
1204 lpTime
->u
.smpte
.sec
, lpTime
->u
.smpte
.frame
);
1207 FIXME("Format %d not supported ! use TIME_MS !\n", lpTime
->wType
);
1208 lpTime
->wType
= TIME_MS
;
1210 lpTime
->u
.ms
= val
/ (wwo
->format
.wf
.nAvgBytesPerSec
/ 1000);
1211 TRACE("TIME_MS=%lu\n", lpTime
->u
.ms
);
1214 return MMSYSERR_NOERROR
;
1217 /**************************************************************************
1218 * wodBreakLoop [internal]
1220 static DWORD
wodBreakLoop(WORD wDevID
)
1222 TRACE("(%u);\n", wDevID
);
1224 if (wDevID
>= MAX_WAVEOUTDRV
|| WOutDev
[wDevID
].handle
== NULL
) {
1225 WARN("bad device ID !\n");
1226 return MMSYSERR_BADDEVICEID
;
1228 ALSA_AddRingMessage(&WOutDev
[wDevID
].msgRing
, WINE_WM_BREAKLOOP
, 0, TRUE
);
1229 return MMSYSERR_NOERROR
;
1232 /**************************************************************************
1233 * wodGetVolume [internal]
1235 static DWORD
wodGetVolume(WORD wDevID
, LPDWORD lpdwVol
)
1243 TRACE("(%u, %p);\n", wDevID
, lpdwVol
);
1245 if (lpdwVol
== NULL
)
1246 return MMSYSERR_NOTENABLED
;
1249 if ((mixer
= open(MIXER_DEV
, O_RDONLY
|O_NDELAY
)) < 0) {
1250 WARN("mixer device not available !\n");
1251 return MMSYSERR_NOTENABLED
;
1253 if (ioctl(mixer
, SOUND_MIXER_READ_PCM
, &volume
) == -1) {
1254 WARN("unable to read mixer !\n");
1255 return MMSYSERR_NOTENABLED
;
1261 left
= LOBYTE(volume
);
1262 right
= HIBYTE(volume
);
1263 TRACE("left=%ld right=%ld !\n", left
, right
);
1264 *lpdwVol
= ((left
* 0xFFFFl
) / 100) + (((right
* 0xFFFFl
) / 100) << 16);
1265 return MMSYSERR_NOERROR
;
1268 /**************************************************************************
1269 * wodSetVolume [internal]
1271 static DWORD
wodSetVolume(WORD wDevID
, DWORD dwParam
)
1279 TRACE("(%u, %08lX);\n", wDevID
, dwParam
);
1281 left
= (LOWORD(dwParam
) * 100) / 0xFFFFl
;
1282 right
= (HIWORD(dwParam
) * 100) / 0xFFFFl
;
1283 volume
= left
+ (right
<< 8);
1287 if ((mixer
= open(MIXER_DEV
, O_WRONLY
|O_NDELAY
)) < 0) {
1288 WARN("mixer device not available !\n");
1289 return MMSYSERR_NOTENABLED
;
1291 if (ioctl(mixer
, SOUND_MIXER_WRITE_PCM
, &volume
) == -1) {
1292 WARN("unable to set mixer !\n");
1293 return MMSYSERR_NOTENABLED
;
1295 TRACE("volume=%04x\n", (unsigned)volume
);
1299 return MMSYSERR_NOERROR
;
1302 /**************************************************************************
1303 * wodGetNumDevs [internal]
1305 static DWORD
wodGetNumDevs(void)
1307 return ALSA_WodNumDevs
;
1310 /**************************************************************************
1311 * wodMessage (WINEALSA.@)
1313 DWORD WINAPI
ALSA_wodMessage(UINT wDevID
, UINT wMsg
, DWORD dwUser
,
1314 DWORD dwParam1
, DWORD dwParam2
)
1316 TRACE("(%u, %04X, %08lX, %08lX, %08lX);\n",
1317 wDevID
, wMsg
, dwUser
, dwParam1
, dwParam2
);
1324 /* FIXME: Pretend this is supported */
1326 case WODM_OPEN
: return wodOpen (wDevID
, (LPWAVEOPENDESC
)dwParam1
, dwParam2
);
1327 case WODM_CLOSE
: return wodClose (wDevID
);
1328 case WODM_WRITE
: return wodWrite (wDevID
, (LPWAVEHDR
)dwParam1
, dwParam2
);
1329 case WODM_PAUSE
: return wodPause (wDevID
);
1330 case WODM_GETPOS
: return wodGetPosition (wDevID
, (LPMMTIME
)dwParam1
, dwParam2
);
1331 case WODM_BREAKLOOP
: return wodBreakLoop (wDevID
);
1332 case WODM_PREPARE
: return wodPrepare (wDevID
, (LPWAVEHDR
)dwParam1
, dwParam2
);
1333 case WODM_UNPREPARE
: return wodUnprepare (wDevID
, (LPWAVEHDR
)dwParam1
, dwParam2
);
1334 case WODM_GETDEVCAPS
: return wodGetDevCaps (wDevID
, (LPWAVEOUTCAPSA
)dwParam1
, dwParam2
);
1335 case WODM_GETNUMDEVS
: return wodGetNumDevs ();
1336 case WODM_GETPITCH
: return MMSYSERR_NOTSUPPORTED
;
1337 case WODM_SETPITCH
: return MMSYSERR_NOTSUPPORTED
;
1338 case WODM_GETPLAYBACKRATE
: return MMSYSERR_NOTSUPPORTED
;
1339 case WODM_SETPLAYBACKRATE
: return MMSYSERR_NOTSUPPORTED
;
1340 case WODM_GETVOLUME
: return wodGetVolume (wDevID
, (LPDWORD
)dwParam1
);
1341 case WODM_SETVOLUME
: return wodSetVolume (wDevID
, dwParam1
);
1342 case WODM_RESTART
: return wodRestart (wDevID
);
1343 case WODM_RESET
: return wodReset (wDevID
);
1345 case DRV_QUERYDSOUNDIFACE
: return wodDsCreate(wDevID
, (PIDSDRIVER
*)dwParam1
);
1347 FIXME("unknown message %d!\n", wMsg
);
1349 return MMSYSERR_NOTSUPPORTED
;
1352 /*======================================================================*
1353 * Low level DSOUND implementation *
1354 *======================================================================*/
1356 typedef struct IDsDriverImpl IDsDriverImpl
;
1357 typedef struct IDsDriverBufferImpl IDsDriverBufferImpl
;
1359 struct IDsDriverImpl
1361 /* IUnknown fields */
1362 IDsDriverVtbl
*lpVtbl
;
1364 /* IDsDriverImpl fields */
1366 IDsDriverBufferImpl
*primary
;
1369 struct IDsDriverBufferImpl
1371 /* IUnknown fields */
1372 IDsDriverBufferVtbl
*lpVtbl
;
1374 /* IDsDriverBufferImpl fields */
1379 static HRESULT
DSDB_UnmapPrimary(IDsDriverBufferImpl
*dsdb
)
1381 WINE_WAVEOUT
*wwo
= &(WOutDev
[dsdb
->drv
->wDevID
]);
1382 if (wwo
->mmap_buffer
) {
1383 if (snd_pcm_munmap(wwo
->handle
, SND_PCM_CHANNEL_PLAYBACK
) < 0) {
1384 ERR("(%p): Could not unmap sound device (errno=%d)\n", dsdb
, errno
);
1385 return DSERR_GENERIC
;
1387 wwo
->mmap_buffer
= wwo
->mmap_control
= NULL
;
1388 TRACE("(%p): sound device unmapped\n", dsdb
);
1393 static HRESULT WINAPI
IDsDriverBufferImpl_QueryInterface(PIDSDRIVERBUFFER iface
, REFIID riid
, LPVOID
*ppobj
)
1395 /* ICOM_THIS(IDsDriverBufferImpl,iface); */
1396 FIXME("(): stub!\n");
1397 return DSERR_UNSUPPORTED
;
1400 static ULONG WINAPI
IDsDriverBufferImpl_AddRef(PIDSDRIVERBUFFER iface
)
1402 ICOM_THIS(IDsDriverBufferImpl
,iface
);
1407 static ULONG WINAPI
IDsDriverBufferImpl_Release(PIDSDRIVERBUFFER iface
)
1409 ICOM_THIS(IDsDriverBufferImpl
,iface
);
1412 if (This
== This
->drv
->primary
)
1413 This
->drv
->primary
= NULL
;
1414 DSDB_UnmapPrimary(This
);
1415 HeapFree(GetProcessHeap(),0,This
);
1419 static HRESULT WINAPI
IDsDriverBufferImpl_Lock(PIDSDRIVERBUFFER iface
,
1420 LPVOID
*ppvAudio1
,LPDWORD pdwLen1
,
1421 LPVOID
*ppvAudio2
,LPDWORD pdwLen2
,
1422 DWORD dwWritePosition
,DWORD dwWriteLen
,
1425 /* ICOM_THIS(IDsDriverBufferImpl,iface); */
1426 /* FIXME: we need to implement it */
1427 TRACE("(%p)\n",iface
);
1428 return DSERR_UNSUPPORTED
;
1431 static HRESULT WINAPI
IDsDriverBufferImpl_Unlock(PIDSDRIVERBUFFER iface
,
1432 LPVOID pvAudio1
,DWORD dwLen1
,
1433 LPVOID pvAudio2
,DWORD dwLen2
)
1435 /* ICOM_THIS(IDsDriverBufferImpl,iface); */
1436 TRACE("(%p)\n",iface
);
1437 return DSERR_UNSUPPORTED
;
1440 static HRESULT WINAPI
IDsDriverBufferImpl_SetFormat(PIDSDRIVERBUFFER iface
,
1441 LPWAVEFORMATEX pwfx
)
1443 /* ICOM_THIS(IDsDriverBufferImpl,iface); */
1445 TRACE("(%p,%p)\n",iface
,pwfx
);
1446 /* On our request (GetDriverDesc flags), DirectSound has by now used
1447 * waveOutClose/waveOutOpen to set the format...
1448 * unfortunately, this means our mmap() is now gone...
1449 * so we need to somehow signal to our DirectSound implementation
1450 * that it should completely recreate this HW buffer...
1451 * this unexpected error code should do the trick... */
1452 return DSERR_BUFFERLOST
;
1455 static HRESULT WINAPI
IDsDriverBufferImpl_SetFrequency(PIDSDRIVERBUFFER iface
, DWORD dwFreq
)
1457 /* ICOM_THIS(IDsDriverBufferImpl,iface); */
1458 TRACE("(%p,%ld): stub\n",iface
,dwFreq
);
1459 return DSERR_UNSUPPORTED
;
1462 static HRESULT WINAPI
IDsDriverBufferImpl_SetVolumePan(PIDSDRIVERBUFFER iface
, PDSVOLUMEPAN pVolPan
)
1464 /* ICOM_THIS(IDsDriverBufferImpl,iface); */
1465 FIXME("(%p,%p): stub!\n",iface
,pVolPan
);
1466 return DSERR_UNSUPPORTED
;
1469 static HRESULT WINAPI
IDsDriverBufferImpl_SetPosition(PIDSDRIVERBUFFER iface
, DWORD dwNewPos
)
1471 /* ICOM_THIS(IDsDriverImpl,iface); */
1472 TRACE("(%p,%ld): stub\n",iface
,dwNewPos
);
1473 return DSERR_UNSUPPORTED
;
1476 static HRESULT WINAPI
IDsDriverBufferImpl_GetPosition(PIDSDRIVERBUFFER iface
,
1477 LPDWORD lpdwPlay
, LPDWORD lpdwWrite
)
1480 ICOM_THIS(IDsDriverBufferImpl
,iface
);
1485 TRACE("(%p)\n",iface
);
1486 if (WOutDev
[This
->drv
->wDevID
].handle
== NULL
) {
1487 ERR("device not open, but accessing?\n");
1488 return DSERR_UNINITIALIZED
;
1490 if (ioctl(WOutDev
[This
->drv
->wDevID
].unixdev
, SNDCTL_DSP_GETOPTR
, &info
) < 0) {
1491 ERR("ioctl failed (%d)\n", errno
);
1492 return DSERR_GENERIC
;
1494 ptr
= info
.ptr
& ~3; /* align the pointer, just in case */
1495 if (lpdwPlay
) *lpdwPlay
= ptr
;
1497 /* add some safety margin (not strictly necessary, but...) */
1498 if (WOutDev
[This
->drv
->wDevID
].caps
.dwSupport
& WAVECAPS_SAMPLEACCURATE
)
1499 *lpdwWrite
= ptr
+ 32;
1501 *lpdwWrite
= ptr
+ WOutDev
[This
->drv
->wDevID
].dwFragmentSize
;
1502 while (*lpdwWrite
> This
->buflen
)
1503 *lpdwWrite
-= This
->buflen
;
1507 TRACE("playpos=%ld, writepos=%ld\n", lpdwPlay
?*lpdwPlay
:0, lpdwWrite
?*lpdwWrite
:0);
1511 static HRESULT WINAPI
IDsDriverBufferImpl_Play(PIDSDRIVERBUFFER iface
, DWORD dwRes1
, DWORD dwRes2
, DWORD dwFlags
)
1513 ICOM_THIS(IDsDriverBufferImpl
,iface
);
1515 TRACE("(%p,%lx,%lx,%lx)\n",iface
,dwRes1
,dwRes2
,dwFlags
);
1517 /* FIXME: error handling */
1518 snd_pcm_playback_go(WOutDev
[This
->drv
->wDevID
].handle
);
1523 static HRESULT WINAPI
IDsDriverBufferImpl_Stop(PIDSDRIVERBUFFER iface
)
1525 ICOM_THIS(IDsDriverBufferImpl
,iface
);
1527 TRACE("(%p)\n",iface
);
1529 /* no more playing */
1530 /* FIXME: error handling */
1531 snd_pcm_playback_drain(WOutDev
[This
->drv
->wDevID
].handle
);
1533 /* Most ALSA drivers just can't stop the playback without closing the device...
1534 * so we need to somehow signal to our DirectSound implementation
1535 * that it should completely recreate this HW buffer...
1536 * this unexpected error code should do the trick... */
1537 return DSERR_BUFFERLOST
;
1540 static ICOM_VTABLE(IDsDriverBuffer
) dsdbvt
=
1542 ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
1543 IDsDriverBufferImpl_QueryInterface
,
1544 IDsDriverBufferImpl_AddRef
,
1545 IDsDriverBufferImpl_Release
,
1546 IDsDriverBufferImpl_Lock
,
1547 IDsDriverBufferImpl_Unlock
,
1548 IDsDriverBufferImpl_SetFormat
,
1549 IDsDriverBufferImpl_SetFrequency
,
1550 IDsDriverBufferImpl_SetVolumePan
,
1551 IDsDriverBufferImpl_SetPosition
,
1552 IDsDriverBufferImpl_GetPosition
,
1553 IDsDriverBufferImpl_Play
,
1554 IDsDriverBufferImpl_Stop
1557 static HRESULT WINAPI
IDsDriverImpl_QueryInterface(PIDSDRIVER iface
, REFIID riid
, LPVOID
*ppobj
)
1559 /* ICOM_THIS(IDsDriverImpl,iface); */
1560 FIXME("(%p): stub!\n",iface
);
1561 return DSERR_UNSUPPORTED
;
1564 static ULONG WINAPI
IDsDriverImpl_AddRef(PIDSDRIVER iface
)
1566 ICOM_THIS(IDsDriverImpl
,iface
);
1571 static ULONG WINAPI
IDsDriverImpl_Release(PIDSDRIVER iface
)
1573 ICOM_THIS(IDsDriverImpl
,iface
);
1576 HeapFree(GetProcessHeap(),0,This
);
1580 static HRESULT WINAPI
IDsDriverImpl_GetDriverDesc(PIDSDRIVER iface
, PDSDRIVERDESC pDesc
)
1582 ICOM_THIS(IDsDriverImpl
,iface
);
1583 TRACE("(%p,%p)\n",iface
,pDesc
);
1584 pDesc
->dwFlags
= DSDDESC_DOMMSYSTEMOPEN
| DSDDESC_DOMMSYSTEMSETFORMAT
|
1585 DSDDESC_USESYSTEMMEMORY
;
1586 strcpy(pDesc
->szDesc
,"WineALSA DirectSound Driver");
1587 strcpy(pDesc
->szDrvName
,"winealsa.drv");
1588 pDesc
->dnDevNode
= WOutDev
[This
->wDevID
].waveDesc
.dnDevNode
;
1590 pDesc
->wReserved
= 0;
1591 pDesc
->ulDeviceNum
= This
->wDevID
;
1592 pDesc
->dwHeapType
= DSDHEAP_NOHEAP
;
1593 pDesc
->pvDirectDrawHeap
= NULL
;
1594 pDesc
->dwMemStartAddress
= 0;
1595 pDesc
->dwMemEndAddress
= 0;
1596 pDesc
->dwMemAllocExtra
= 0;
1597 pDesc
->pvReserved1
= NULL
;
1598 pDesc
->pvReserved2
= NULL
;
1602 static HRESULT WINAPI
IDsDriverImpl_Open(PIDSDRIVER iface
)
1604 ICOM_THIS(IDsDriverImpl
,iface
);
1606 TRACE("(%p)\n",iface
);
1607 /* FIXME: error handling */
1608 snd_pcm_channel_prepare(WOutDev
[This
->wDevID
].handle
, SND_PCM_CHANNEL_PLAYBACK
);
1613 static HRESULT WINAPI
IDsDriverImpl_Close(PIDSDRIVER iface
)
1615 ICOM_THIS(IDsDriverImpl
,iface
);
1616 TRACE("(%p)\n",iface
);
1617 if (This
->primary
) {
1618 ERR("problem with DirectSound: primary not released\n");
1619 return DSERR_GENERIC
;
1624 static HRESULT WINAPI
IDsDriverImpl_GetCaps(PIDSDRIVER iface
, PDSDRIVERCAPS pCaps
)
1626 /* ICOM_THIS(IDsDriverImpl,iface); */
1627 TRACE("(%p,%p)\n",iface
,pCaps
);
1628 memset(pCaps
, 0, sizeof(*pCaps
));
1629 /* FIXME: need to check actual capabilities */
1630 pCaps
->dwFlags
= DSCAPS_PRIMARYMONO
| DSCAPS_PRIMARYSTEREO
|
1631 DSCAPS_PRIMARY8BIT
| DSCAPS_PRIMARY16BIT
;
1632 pCaps
->dwPrimaryBuffers
= 1;
1633 /* the other fields only apply to secondary buffers, which we don't support
1634 * (unless we want to mess with wavetable synthesizers and MIDI) */
1638 static HRESULT WINAPI
IDsDriverImpl_CreateSoundBuffer(PIDSDRIVER iface
,
1639 LPWAVEFORMATEX pwfx
,
1640 DWORD dwFlags
, DWORD dwCardAddress
,
1641 LPDWORD pdwcbBufferSize
,
1645 ICOM_THIS(IDsDriverImpl
,iface
);
1646 IDsDriverBufferImpl
** ippdsdb
= (IDsDriverBufferImpl
**)ppvObj
;
1647 WINE_WAVEOUT
*wwo
= &(WOutDev
[This
->wDevID
]);
1648 struct snd_pcm_channel_setup setup
;
1650 TRACE("(%p,%p,%lx,%lx)\n",iface
,pwfx
,dwFlags
,dwCardAddress
);
1651 /* we only support primary buffers */
1652 if (!(dwFlags
& DSBCAPS_PRIMARYBUFFER
))
1653 return DSERR_UNSUPPORTED
;
1655 return DSERR_ALLOCATED
;
1656 if (dwFlags
& (DSBCAPS_CTRLFREQUENCY
| DSBCAPS_CTRLPAN
))
1657 return DSERR_CONTROLUNAVAIL
;
1659 *ippdsdb
= (IDsDriverBufferImpl
*)HeapAlloc(GetProcessHeap(),0,sizeof(IDsDriverBufferImpl
));
1660 if (*ippdsdb
== NULL
)
1661 return DSERR_OUTOFMEMORY
;
1662 (*ippdsdb
)->lpVtbl
= &dsdbvt
;
1663 (*ippdsdb
)->ref
= 1;
1664 (*ippdsdb
)->drv
= This
;
1666 if (!wwo
->mmap_buffer
) {
1667 if (snd_pcm_mmap(wwo
->handle
, SND_PCM_CHANNEL_PLAYBACK
, &wwo
->mmap_control
, &wwo
->mmap_buffer
))
1669 ERR("(%p): Could not map sound device for direct access (%s)\n", *ippdsdb
, snd_strerror(errno
));
1670 return DSERR_GENERIC
;
1673 setup
.mode
= SND_PCM_MODE_BLOCK
;
1674 setup
.channel
= SND_PCM_CHANNEL_PLAYBACK
;
1675 if (snd_pcm_channel_setup(wwo
->handle
, &setup
) < 0) {
1676 ERR("Unable to obtain setup\n");
1677 /* FIXME: resource cleanup */
1678 return DSERR_GENERIC
;
1680 wwo
->mmap_block_size
= setup
.buf
.block
.frag_size
;
1681 wwo
->mmap_block_number
= setup
.buf
.block
.frags
;
1683 TRACE("(%p): sound device has been mapped for direct access at %p, size=%d\n",
1684 *ippdsdb
, wwo
->mmap_buffer
, setup
.buf
.block
.frags
* setup
.buf
.block
.frag_size
);
1686 /* for some reason, es1371 and sblive! sometimes have junk in here.
1687 * clear it, or we get junk noise */
1688 /* some libc implementations are buggy: their memset reads from the buffer...
1689 * to work around it, we have to zero the block by hand. We don't do the expected:
1690 * memset(wwo->mapping, 0, wwo->maplen);
1693 char* p1
= wwo
->mapping
;
1694 unsigned len
= wwo
->maplen
;
1696 if (len
>= 16) /* so we can have at least a 4 long area to store... */
1698 /* the mmap:ed value is (at least) dword aligned
1699 * so, start filling the complete unsigned long:s
1702 unsigned long* p4
= (unsigned long*)p1
;
1704 while (b
--) *p4
++ = 0;
1705 /* prepare for filling the rest */
1707 p1
= (unsigned char*)p4
;
1709 /* in all cases, fill the remaining bytes */
1710 while (len
-- != 0) *p1
++ = 0;
1715 /* primary buffer is ready to go */
1716 *pdwcbBufferSize
= wwo
->mmap_block_size
* wwo
->mmap_block_number
;
1717 *ppbBuffer
= wwo
->mmap_buffer
;
1719 This
->primary
= *ippdsdb
;
1724 static HRESULT WINAPI
IDsDriverImpl_DuplicateSoundBuffer(PIDSDRIVER iface
,
1725 PIDSDRIVERBUFFER pBuffer
,
1728 /* ICOM_THIS(IDsDriverImpl,iface); */
1729 TRACE("(%p,%p): stub\n",iface
,pBuffer
);
1730 return DSERR_INVALIDCALL
;
1733 static ICOM_VTABLE(IDsDriver
) dsdvt
=
1735 ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
1736 IDsDriverImpl_QueryInterface
,
1737 IDsDriverImpl_AddRef
,
1738 IDsDriverImpl_Release
,
1739 IDsDriverImpl_GetDriverDesc
,
1741 IDsDriverImpl_Close
,
1742 IDsDriverImpl_GetCaps
,
1743 IDsDriverImpl_CreateSoundBuffer
,
1744 IDsDriverImpl_DuplicateSoundBuffer
1747 static DWORD
wodDsCreate(UINT wDevID
, PIDSDRIVER
* drv
)
1749 IDsDriverImpl
** idrv
= (IDsDriverImpl
**)drv
;
1751 /* the HAL isn't much better than the HEL if we can't do mmap() */
1752 if (!(WOutDev
[wDevID
].caps
.dwSupport
& WAVECAPS_DIRECTSOUND
)) {
1753 ERR("DirectSound flag not set\n");
1754 MESSAGE("This sound card's driver does not support direct access\n");
1755 MESSAGE("The (slower) DirectSound HEL mode will be used instead.\n");
1756 return MMSYSERR_NOTSUPPORTED
;
1759 *idrv
= (IDsDriverImpl
*)HeapAlloc(GetProcessHeap(),0,sizeof(IDsDriverImpl
));
1761 return MMSYSERR_NOMEM
;
1762 (*idrv
)->lpVtbl
= &dsdvt
;
1765 (*idrv
)->wDevID
= wDevID
;
1766 (*idrv
)->primary
= NULL
;
1767 return MMSYSERR_NOERROR
;
1770 /* we don't need a default wodMessage for audio when we don't have ALSA, the
1771 * audio.c file will provide it for us
1773 #endif /* HAVE_ALSA && interface == 0.5 */