Added YUV routines needed for v4l driver, and in the future possibly
[wine/gsoc-2012-control.git] / dlls / winmm / winealsa / audio.c
blobb2cea26199c7d92aec59678afba0a8301b3ca343
1 /* -*- tab-width: 8; c-basic-offset: 4 -*- */
2 /*
3 * Sample Wine Driver for Advanced Linux Sound System (ALSA)
4 * Based on version <final> of the ALSA API
6 * Copyright 2002 Eric Pouech
7 * 2002 Marco Pietrobono
8 * 2003 Christian Costa : WaveIn support
10 * This library is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or (at your option) any later version.
15 * This library is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with this library; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 /* unless someone makes a wineserver kernel module, Unix pipes are faster than win32 events */
26 #define USE_PIPE_SYNC
28 #include "config.h"
29 #include "wine/port.h"
31 #include <stdlib.h>
32 #include <stdarg.h>
33 #include <stdio.h>
34 #include <string.h>
35 #ifdef HAVE_UNISTD_H
36 # include <unistd.h>
37 #endif
38 #include <errno.h>
39 #include <limits.h>
40 #include <fcntl.h>
41 #ifdef HAVE_SYS_IOCTL_H
42 # include <sys/ioctl.h>
43 #endif
44 #ifdef HAVE_SYS_MMAN_H
45 # include <sys/mman.h>
46 #endif
47 #include "windef.h"
48 #include "winbase.h"
49 #include "wingdi.h"
50 #include "winerror.h"
51 #include "winuser.h"
52 #include "winnls.h"
53 #include "winreg.h"
54 #include "mmddk.h"
55 #include "mmreg.h"
56 #include "dsound.h"
57 #include "dsdriver.h"
58 #include "ks.h"
59 #include "ksguid.h"
60 #include "ksmedia.h"
61 #define ALSA_PCM_NEW_HW_PARAMS_API
62 #define ALSA_PCM_NEW_SW_PARAMS_API
63 #include "alsa.h"
64 #include "wine/library.h"
65 #include "wine/unicode.h"
66 #include "wine/debug.h"
68 WINE_DEFAULT_DEBUG_CHANNEL(wave);
71 #ifdef HAVE_ALSA
73 /* internal ALSALIB functions */
74 snd_pcm_uframes_t _snd_pcm_mmap_hw_ptr(snd_pcm_t *pcm);
77 #define MAX_WAVEOUTDRV (6)
78 #define MAX_WAVEINDRV (6)
80 /* state diagram for waveOut writing:
82 * +---------+-------------+---------------+---------------------------------+
83 * | state | function | event | new state |
84 * +---------+-------------+---------------+---------------------------------+
85 * | | open() | | STOPPED |
86 * | PAUSED | write() | | PAUSED |
87 * | STOPPED | write() | <thrd create> | PLAYING |
88 * | PLAYING | write() | HEADER | PLAYING |
89 * | (other) | write() | <error> | |
90 * | (any) | pause() | PAUSING | PAUSED |
91 * | PAUSED | restart() | RESTARTING | PLAYING (if no thrd => STOPPED) |
92 * | (any) | reset() | RESETTING | STOPPED |
93 * | (any) | close() | CLOSING | CLOSED |
94 * +---------+-------------+---------------+---------------------------------+
97 /* states of the playing device */
98 #define WINE_WS_PLAYING 0
99 #define WINE_WS_PAUSED 1
100 #define WINE_WS_STOPPED 2
101 #define WINE_WS_CLOSED 3
103 /* events to be send to device */
104 enum win_wm_message {
105 WINE_WM_PAUSING = WM_USER + 1, WINE_WM_RESTARTING, WINE_WM_RESETTING, WINE_WM_HEADER,
106 WINE_WM_UPDATE, WINE_WM_BREAKLOOP, WINE_WM_CLOSING, WINE_WM_STARTING, WINE_WM_STOPPING
109 #ifdef USE_PIPE_SYNC
110 #define SIGNAL_OMR(omr) do { int x = 0; write((omr)->msg_pipe[1], &x, sizeof(x)); } while (0)
111 #define CLEAR_OMR(omr) do { int x = 0; read((omr)->msg_pipe[0], &x, sizeof(x)); } while (0)
112 #define RESET_OMR(omr) do { } while (0)
113 #define WAIT_OMR(omr, sleep) \
114 do { struct pollfd pfd; pfd.fd = (omr)->msg_pipe[0]; \
115 pfd.events = POLLIN; poll(&pfd, 1, sleep); } while (0)
116 #else
117 #define SIGNAL_OMR(omr) do { SetEvent((omr)->msg_event); } while (0)
118 #define CLEAR_OMR(omr) do { } while (0)
119 #define RESET_OMR(omr) do { ResetEvent((omr)->msg_event); } while (0)
120 #define WAIT_OMR(omr, sleep) \
121 do { WaitForSingleObject((omr)->msg_event, sleep); } while (0)
122 #endif
124 typedef struct {
125 enum win_wm_message msg; /* message identifier */
126 DWORD param; /* parameter for this message */
127 HANDLE hEvent; /* if message is synchronous, handle of event for synchro */
128 } ALSA_MSG;
130 /* implement an in-process message ring for better performance
131 * (compared to passing thru the server)
132 * this ring will be used by the input (resp output) record (resp playback) routine
134 #define ALSA_RING_BUFFER_INCREMENT 64
135 typedef struct {
136 ALSA_MSG * messages;
137 int ring_buffer_size;
138 int msg_tosave;
139 int msg_toget;
140 #ifdef USE_PIPE_SYNC
141 int msg_pipe[2];
142 #else
143 HANDLE msg_event;
144 #endif
145 CRITICAL_SECTION msg_crst;
146 } ALSA_MSG_RING;
148 typedef struct {
149 /* Windows information */
150 volatile int state; /* one of the WINE_WS_ manifest constants */
151 WAVEOPENDESC waveDesc;
152 WORD wFlags;
153 WAVEFORMATPCMEX format;
154 WAVEOUTCAPSW caps;
156 /* ALSA information (ALSA 0.9/1.x uses two different devices for playback/capture) */
157 char* device;
158 char interface_name[64];
159 snd_pcm_t* handle; /* handle to ALSA playback device */
160 snd_pcm_hw_params_t * hw_params; /* ALSA Hw params */
162 snd_hctl_t * hctl; /* control handle for the playback volume */
164 snd_pcm_sframes_t (*write)(snd_pcm_t *, const void *, snd_pcm_uframes_t );
166 struct pollfd *ufds;
167 int count;
169 DWORD dwBufferSize; /* size of whole ALSA buffer in bytes */
170 LPWAVEHDR lpQueuePtr; /* start of queued WAVEHDRs (waiting to be notified) */
171 LPWAVEHDR lpPlayPtr; /* start of not yet fully played buffers */
172 DWORD dwPartialOffset; /* Offset of not yet written bytes in lpPlayPtr */
174 LPWAVEHDR lpLoopPtr; /* pointer of first buffer in loop, if any */
175 DWORD dwLoops; /* private copy of loop counter */
177 DWORD dwPlayedTotal; /* number of bytes actually played since opening */
178 DWORD dwWrittenTotal; /* number of bytes written to ALSA buffer since opening */
180 /* synchronization stuff */
181 HANDLE hStartUpEvent;
182 HANDLE hThread;
183 DWORD dwThreadID;
184 ALSA_MSG_RING msgRing;
186 /* DirectSound stuff */
187 DSDRIVERDESC ds_desc;
188 DSDRIVERCAPS ds_caps;
189 } WINE_WAVEOUT;
191 typedef struct {
192 /* Windows information */
193 volatile int state; /* one of the WINE_WS_ manifest constants */
194 WAVEOPENDESC waveDesc;
195 WORD wFlags;
196 WAVEFORMATPCMEX format;
197 WAVEINCAPSW caps;
198 DWORD dwSupport;
200 /* ALSA information (ALSA 0.9/1.x uses two different devices for playback/capture) */
201 char* device;
202 char interface_name[64];
203 snd_pcm_t* handle; /* handle to ALSA capture device */
204 snd_pcm_hw_params_t * hw_params; /* ALSA Hw params */
206 snd_pcm_sframes_t (*read)(snd_pcm_t *, void *, snd_pcm_uframes_t );
208 struct pollfd *ufds;
209 int count;
211 DWORD dwPeriodSize; /* size of OSS buffer period */
212 DWORD dwBufferSize; /* size of whole ALSA buffer in bytes */
213 LPWAVEHDR lpQueuePtr; /* start of queued WAVEHDRs (waiting to be notified) */
214 LPWAVEHDR lpPlayPtr; /* start of not yet fully played buffers */
216 LPWAVEHDR lpLoopPtr; /* pointer of first buffer in loop, if any */
217 DWORD dwLoops; /* private copy of loop counter */
219 /*DWORD dwPlayedTotal; */
220 DWORD dwTotalRecorded;
222 /* synchronization stuff */
223 HANDLE hStartUpEvent;
224 HANDLE hThread;
225 DWORD dwThreadID;
226 ALSA_MSG_RING msgRing;
228 /* DirectSound stuff */
229 DSDRIVERDESC ds_desc;
230 DSCDRIVERCAPS ds_caps;
231 } WINE_WAVEIN;
233 static WINE_WAVEOUT WOutDev [MAX_WAVEOUTDRV];
234 static DWORD ALSA_WodNumDevs;
235 static WINE_WAVEIN WInDev [MAX_WAVEINDRV];
236 static DWORD ALSA_WidNumDevs;
238 static DWORD wodDsCreate(UINT wDevID, PIDSDRIVER* drv);
239 static DWORD wodDsDesc(UINT wDevID, PDSDRIVERDESC desc);
241 /* These strings used only for tracing */
242 static const char * getCmdString(enum win_wm_message msg)
244 static char unknown[32];
245 #define MSG_TO_STR(x) case x: return #x
246 switch(msg) {
247 MSG_TO_STR(WINE_WM_PAUSING);
248 MSG_TO_STR(WINE_WM_RESTARTING);
249 MSG_TO_STR(WINE_WM_RESETTING);
250 MSG_TO_STR(WINE_WM_HEADER);
251 MSG_TO_STR(WINE_WM_UPDATE);
252 MSG_TO_STR(WINE_WM_BREAKLOOP);
253 MSG_TO_STR(WINE_WM_CLOSING);
254 MSG_TO_STR(WINE_WM_STARTING);
255 MSG_TO_STR(WINE_WM_STOPPING);
257 #undef MSG_TO_STR
258 sprintf(unknown, "UNKNOWN(0x%08x)", msg);
259 return unknown;
262 static const char * getMessage(UINT msg)
264 static char unknown[32];
265 #define MSG_TO_STR(x) case x: return #x
266 switch(msg) {
267 MSG_TO_STR(DRVM_INIT);
268 MSG_TO_STR(DRVM_EXIT);
269 MSG_TO_STR(DRVM_ENABLE);
270 MSG_TO_STR(DRVM_DISABLE);
271 MSG_TO_STR(WIDM_OPEN);
272 MSG_TO_STR(WIDM_CLOSE);
273 MSG_TO_STR(WIDM_ADDBUFFER);
274 MSG_TO_STR(WIDM_PREPARE);
275 MSG_TO_STR(WIDM_UNPREPARE);
276 MSG_TO_STR(WIDM_GETDEVCAPS);
277 MSG_TO_STR(WIDM_GETNUMDEVS);
278 MSG_TO_STR(WIDM_GETPOS);
279 MSG_TO_STR(WIDM_RESET);
280 MSG_TO_STR(WIDM_START);
281 MSG_TO_STR(WIDM_STOP);
282 MSG_TO_STR(WODM_OPEN);
283 MSG_TO_STR(WODM_CLOSE);
284 MSG_TO_STR(WODM_WRITE);
285 MSG_TO_STR(WODM_PAUSE);
286 MSG_TO_STR(WODM_GETPOS);
287 MSG_TO_STR(WODM_BREAKLOOP);
288 MSG_TO_STR(WODM_PREPARE);
289 MSG_TO_STR(WODM_UNPREPARE);
290 MSG_TO_STR(WODM_GETDEVCAPS);
291 MSG_TO_STR(WODM_GETNUMDEVS);
292 MSG_TO_STR(WODM_GETPITCH);
293 MSG_TO_STR(WODM_SETPITCH);
294 MSG_TO_STR(WODM_GETPLAYBACKRATE);
295 MSG_TO_STR(WODM_SETPLAYBACKRATE);
296 MSG_TO_STR(WODM_GETVOLUME);
297 MSG_TO_STR(WODM_SETVOLUME);
298 MSG_TO_STR(WODM_RESTART);
299 MSG_TO_STR(WODM_RESET);
300 MSG_TO_STR(DRV_QUERYDEVICEINTERFACESIZE);
301 MSG_TO_STR(DRV_QUERYDEVICEINTERFACE);
302 MSG_TO_STR(DRV_QUERYDSOUNDIFACE);
303 MSG_TO_STR(DRV_QUERYDSOUNDDESC);
305 #undef MSG_TO_STR
306 sprintf(unknown, "UNKNOWN(0x%04x)", msg);
307 return unknown;
310 static const char * getFormat(WORD wFormatTag)
312 static char unknown[32];
313 #define FMT_TO_STR(x) case x: return #x
314 switch(wFormatTag) {
315 FMT_TO_STR(WAVE_FORMAT_PCM);
316 FMT_TO_STR(WAVE_FORMAT_EXTENSIBLE);
317 FMT_TO_STR(WAVE_FORMAT_MULAW);
318 FMT_TO_STR(WAVE_FORMAT_ALAW);
319 FMT_TO_STR(WAVE_FORMAT_ADPCM);
321 #undef FMT_TO_STR
322 sprintf(unknown, "UNKNOWN(0x%04x)", wFormatTag);
323 return unknown;
326 static DWORD bytes_to_mmtime(LPMMTIME lpTime, DWORD position,
327 WAVEFORMATPCMEX* format)
329 TRACE("wType=%04X wBitsPerSample=%u nSamplesPerSec=%lu nChannels=%u nAvgBytesPerSec=%lu\n",
330 lpTime->wType, format->Format.wBitsPerSample, format->Format.nSamplesPerSec,
331 format->Format.nChannels, format->Format.nAvgBytesPerSec);
332 TRACE("Position in bytes=%lu\n", position);
334 switch (lpTime->wType) {
335 case TIME_SAMPLES:
336 lpTime->u.sample = position / (format->Format.wBitsPerSample / 8 * format->Format.nChannels);
337 TRACE("TIME_SAMPLES=%lu\n", lpTime->u.sample);
338 break;
339 case TIME_MS:
340 lpTime->u.ms = 1000.0 * position / (format->Format.wBitsPerSample / 8 * format->Format.nChannels * format->Format.nSamplesPerSec);
341 TRACE("TIME_MS=%lu\n", lpTime->u.ms);
342 break;
343 case TIME_SMPTE:
344 lpTime->u.smpte.fps = 30;
345 position = position / (format->Format.wBitsPerSample / 8 * format->Format.nChannels);
346 position += (format->Format.nSamplesPerSec / lpTime->u.smpte.fps) - 1; /* round up */
347 lpTime->u.smpte.sec = position / format->Format.nSamplesPerSec;
348 position -= lpTime->u.smpte.sec * format->Format.nSamplesPerSec;
349 lpTime->u.smpte.min = lpTime->u.smpte.sec / 60;
350 lpTime->u.smpte.sec -= 60 * lpTime->u.smpte.min;
351 lpTime->u.smpte.hour = lpTime->u.smpte.min / 60;
352 lpTime->u.smpte.min -= 60 * lpTime->u.smpte.hour;
353 lpTime->u.smpte.fps = 30;
354 lpTime->u.smpte.frame = position * lpTime->u.smpte.fps / format->Format.nSamplesPerSec;
355 TRACE("TIME_SMPTE=%02u:%02u:%02u:%02u\n",
356 lpTime->u.smpte.hour, lpTime->u.smpte.min,
357 lpTime->u.smpte.sec, lpTime->u.smpte.frame);
358 break;
359 default:
360 WARN("Format %d not supported, using TIME_BYTES !\n", lpTime->wType);
361 lpTime->wType = TIME_BYTES;
362 /* fall through */
363 case TIME_BYTES:
364 lpTime->u.cb = position;
365 TRACE("TIME_BYTES=%lu\n", lpTime->u.cb);
366 break;
368 return MMSYSERR_NOERROR;
371 static BOOL supportedFormat(LPWAVEFORMATEX wf)
373 TRACE("(%p)\n",wf);
375 if (wf->nSamplesPerSec<DSBFREQUENCY_MIN||wf->nSamplesPerSec>DSBFREQUENCY_MAX)
376 return FALSE;
378 if (wf->wFormatTag == WAVE_FORMAT_PCM) {
379 if (wf->nChannels==1||wf->nChannels==2) {
380 if (wf->wBitsPerSample==8||wf->wBitsPerSample==16)
381 return TRUE;
383 } else if (wf->wFormatTag == WAVE_FORMAT_EXTENSIBLE) {
384 WAVEFORMATEXTENSIBLE * wfex = (WAVEFORMATEXTENSIBLE *)wf;
386 if (wf->cbSize == 22 &&
387 (IsEqualGUID(&wfex->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM) ||
388 IsEqualGUID(&wfex->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT))) {
389 if (wf->nChannels>=1 && wf->nChannels<=6) {
390 if (wf->wBitsPerSample==wfex->Samples.wValidBitsPerSample) {
391 if (wf->wBitsPerSample==8||wf->wBitsPerSample==16||
392 wf->wBitsPerSample==24||wf->wBitsPerSample==32) {
393 return TRUE;
395 } else
396 WARN("wBitsPerSample != wValidBitsPerSample not supported yet\n");
398 } else
399 WARN("only KSDATAFORMAT_SUBTYPE_PCM and KSDATAFORMAT_SUBTYPE_IEEE_FLOAT "
400 "supported\n");
401 } else if (wf->wFormatTag == WAVE_FORMAT_MULAW || wf->wFormatTag == WAVE_FORMAT_ALAW) {
402 if (wf->wBitsPerSample==8)
403 return TRUE;
404 else
405 ERR("WAVE_FORMAT_MULAW and WAVE_FORMAT_ALAW wBitsPerSample must = 8\n");
407 } else if (wf->wFormatTag == WAVE_FORMAT_ADPCM) {
408 if (wf->wBitsPerSample==4)
409 return TRUE;
410 else
411 ERR("WAVE_FORMAT_ADPCM wBitsPerSample must = 4\n");
412 } else
413 WARN("only WAVE_FORMAT_PCM and WAVE_FORMAT_EXTENSIBLE supported\n");
415 return FALSE;
418 static void copy_format(LPWAVEFORMATEX wf1, LPWAVEFORMATPCMEX wf2)
420 ZeroMemory(wf2, sizeof(wf2));
421 if (wf1->wFormatTag == WAVE_FORMAT_PCM)
422 memcpy(wf2, wf1, sizeof(PCMWAVEFORMAT));
423 else if (wf1->wFormatTag == WAVE_FORMAT_EXTENSIBLE)
424 memcpy(wf2, wf1, sizeof(WAVEFORMATPCMEX));
425 else
426 memcpy(wf2, wf1, sizeof(WAVEFORMATEX) + wf1->cbSize);
429 /*======================================================================*
430 * Low level WAVE implementation *
431 *======================================================================*/
433 /**************************************************************************
434 * ALSA_CheckSetVolume [internal]
436 * Helper function for Alsa volume queries. This tries to simplify
437 * the process of managing the volume. All parameters are optional
438 * (pass NULL to ignore or not use).
439 * Return values are MMSYSERR_NOERROR on success, or !0 on failure;
440 * error codes are normalized into the possible documented return
441 * values from waveOutGetVolume.
443 static int ALSA_CheckSetVolume(snd_hctl_t *hctl, int *out_left, int *out_right,
444 int *out_min, int *out_max, int *out_step,
445 int *new_left, int *new_right)
447 int rc = MMSYSERR_NOERROR;
448 int value_count = 0;
449 snd_hctl_elem_t * elem = NULL;
450 snd_ctl_elem_info_t * eleminfop = NULL;
451 snd_ctl_elem_value_t * elemvaluep = NULL;
452 snd_ctl_elem_id_t * elemidp = NULL;
455 #define EXIT_ON_ERROR(f,txt,exitcode) do \
457 int err; \
458 if ( (err = (f) ) < 0) \
460 ERR(txt " failed: %s\n", snd_strerror(err)); \
461 rc = exitcode; \
462 goto out; \
464 } while(0)
466 if (! hctl)
467 return MMSYSERR_NOTSUPPORTED;
469 /* Allocate areas to return information about the volume */
470 EXIT_ON_ERROR(snd_ctl_elem_id_malloc(&elemidp), "snd_ctl_elem_id_malloc", MMSYSERR_NOMEM);
471 EXIT_ON_ERROR(snd_ctl_elem_value_malloc (&elemvaluep), "snd_ctl_elem_value_malloc", MMSYSERR_NOMEM);
472 EXIT_ON_ERROR(snd_ctl_elem_info_malloc (&eleminfop), "snd_ctl_elem_info_malloc", MMSYSERR_NOMEM);
473 snd_ctl_elem_id_clear(elemidp);
474 snd_ctl_elem_value_clear(elemvaluep);
475 snd_ctl_elem_info_clear(eleminfop);
477 /* Setup and find an element id that exactly matches the characteristic we want
478 ** FIXME: It is probably short sighted to hard code and fixate on PCM Playback Volume */
479 snd_ctl_elem_id_set_name(elemidp, "PCM Playback Volume");
480 snd_ctl_elem_id_set_interface(elemidp, SND_CTL_ELEM_IFACE_MIXER);
481 elem = snd_hctl_find_elem(hctl, elemidp);
482 if (elem)
484 /* Read and return volume information */
485 EXIT_ON_ERROR(snd_hctl_elem_info(elem, eleminfop), "snd_hctl_elem_info", MMSYSERR_NOTSUPPORTED);
486 value_count = snd_ctl_elem_info_get_count(eleminfop);
487 if (out_min || out_max || out_step)
489 if (!snd_ctl_elem_info_is_readable(eleminfop))
491 ERR("snd_ctl_elem_info_is_readable returned false; cannot return info\n");
492 rc = MMSYSERR_NOTSUPPORTED;
493 goto out;
496 if (out_min)
497 *out_min = snd_ctl_elem_info_get_min(eleminfop);
499 if (out_max)
500 *out_max = snd_ctl_elem_info_get_max(eleminfop);
502 if (out_step)
503 *out_step = snd_ctl_elem_info_get_step(eleminfop);
506 if (out_left || out_right)
508 EXIT_ON_ERROR(snd_hctl_elem_read(elem, elemvaluep), "snd_hctl_elem_read", MMSYSERR_NOTSUPPORTED);
510 if (out_left)
511 *out_left = snd_ctl_elem_value_get_integer(elemvaluep, 0);
513 if (out_right)
515 if (value_count == 1)
516 *out_right = snd_ctl_elem_value_get_integer(elemvaluep, 0);
517 else if (value_count == 2)
518 *out_right = snd_ctl_elem_value_get_integer(elemvaluep, 1);
519 else
521 ERR("Unexpected value count %d from snd_ctl_elem_info_get_count while getting volume info\n", value_count);
522 rc = -1;
523 goto out;
528 /* Set the volume */
529 if (new_left || new_right)
531 EXIT_ON_ERROR(snd_hctl_elem_read(elem, elemvaluep), "snd_hctl_elem_read", MMSYSERR_NOTSUPPORTED);
532 if (new_left)
533 snd_ctl_elem_value_set_integer(elemvaluep, 0, *new_left);
534 if (new_right)
536 if (value_count == 1)
537 snd_ctl_elem_value_set_integer(elemvaluep, 0, *new_right);
538 else if (value_count == 2)
539 snd_ctl_elem_value_set_integer(elemvaluep, 1, *new_right);
540 else
542 ERR("Unexpected value count %d from snd_ctl_elem_info_get_count while setting volume info\n", value_count);
543 rc = -1;
544 goto out;
548 EXIT_ON_ERROR(snd_hctl_elem_write(elem, elemvaluep), "snd_hctl_elem_write", MMSYSERR_NOTSUPPORTED);
551 else
553 ERR("Could not find 'PCM Playback Volume' element\n");
554 rc = MMSYSERR_NOTSUPPORTED;
558 #undef EXIT_ON_ERROR
560 out:
562 if (elemvaluep)
563 snd_ctl_elem_value_free(elemvaluep);
564 if (eleminfop)
565 snd_ctl_elem_info_free(eleminfop);
566 if (elemidp)
567 snd_ctl_elem_id_free(elemidp);
569 return rc;
573 /**************************************************************************
574 * ALSA_XRUNRecovery [internal]
576 * used to recovery from XRUN errors (buffer underflow/overflow)
578 static int ALSA_XRUNRecovery(WINE_WAVEOUT * wwo, int err)
580 if (err == -EPIPE) { /* under-run */
581 err = snd_pcm_prepare(wwo->handle);
582 if (err < 0)
583 ERR( "underrun recovery failed. prepare failed: %s\n", snd_strerror(err));
584 return 0;
585 } else if (err == -ESTRPIPE) {
586 while ((err = snd_pcm_resume(wwo->handle)) == -EAGAIN)
587 sleep(1); /* wait until the suspend flag is released */
588 if (err < 0) {
589 err = snd_pcm_prepare(wwo->handle);
590 if (err < 0)
591 ERR("recovery from suspend failed, prepare failed: %s\n", snd_strerror(err));
593 return 0;
595 return err;
598 /**************************************************************************
599 * ALSA_TraceParameters [internal]
601 * used to trace format changes, hw and sw parameters
603 static void ALSA_TraceParameters(snd_pcm_hw_params_t * hw_params, snd_pcm_sw_params_t * sw, int full)
605 int err;
606 snd_pcm_format_t format;
607 snd_pcm_access_t access;
609 err = snd_pcm_hw_params_get_access(hw_params, &access);
610 err = snd_pcm_hw_params_get_format(hw_params, &format);
612 #define X(x) ((x)? "true" : "false")
613 if (full)
614 TRACE("FLAGS: sampleres=%s overrng=%s pause=%s resume=%s syncstart=%s batch=%s block=%s double=%s "
615 "halfd=%s joint=%s \n",
616 X(snd_pcm_hw_params_can_mmap_sample_resolution(hw_params)),
617 X(snd_pcm_hw_params_can_overrange(hw_params)),
618 X(snd_pcm_hw_params_can_pause(hw_params)),
619 X(snd_pcm_hw_params_can_resume(hw_params)),
620 X(snd_pcm_hw_params_can_sync_start(hw_params)),
621 X(snd_pcm_hw_params_is_batch(hw_params)),
622 X(snd_pcm_hw_params_is_block_transfer(hw_params)),
623 X(snd_pcm_hw_params_is_double(hw_params)),
624 X(snd_pcm_hw_params_is_half_duplex(hw_params)),
625 X(snd_pcm_hw_params_is_joint_duplex(hw_params)));
626 #undef X
628 if (access >= 0)
629 TRACE("access=%s\n", snd_pcm_access_name(access));
630 else
632 snd_pcm_access_mask_t * acmask;
633 snd_pcm_access_mask_alloca(&acmask);
634 snd_pcm_hw_params_get_access_mask(hw_params, acmask);
635 for ( access = SND_PCM_ACCESS_MMAP_INTERLEAVED; access <= SND_PCM_ACCESS_LAST; access++)
636 if (snd_pcm_access_mask_test(acmask, access))
637 TRACE("access=%s\n", snd_pcm_access_name(access));
640 if (format >= 0)
642 TRACE("format=%s\n", snd_pcm_format_name(format));
645 else
647 snd_pcm_format_mask_t * fmask;
649 snd_pcm_format_mask_alloca(&fmask);
650 snd_pcm_hw_params_get_format_mask(hw_params, fmask);
651 for ( format = SND_PCM_FORMAT_S8; format <= SND_PCM_FORMAT_LAST ; format++)
652 if ( snd_pcm_format_mask_test(fmask, format) )
653 TRACE("format=%s\n", snd_pcm_format_name(format));
656 do {
657 int err=0;
658 unsigned int val=0;
659 err = snd_pcm_hw_params_get_channels(hw_params, &val);
660 if (err<0) {
661 unsigned int min = 0;
662 unsigned int max = 0;
663 err = snd_pcm_hw_params_get_channels_min(hw_params, &min),
664 err = snd_pcm_hw_params_get_channels_max(hw_params, &max);
665 TRACE("channels_min=%u, channels_min_max=%u\n", min, max);
666 } else {
667 TRACE("channels=%d\n", val);
669 } while(0);
670 do {
671 int err=0;
672 snd_pcm_uframes_t val=0;
673 err = snd_pcm_hw_params_get_buffer_size(hw_params, &val);
674 if (err<0) {
675 snd_pcm_uframes_t min = 0;
676 snd_pcm_uframes_t max = 0;
677 err = snd_pcm_hw_params_get_buffer_size_min(hw_params, &min),
678 err = snd_pcm_hw_params_get_buffer_size_max(hw_params, &max);
679 TRACE("buffer_size_min=%lu, buffer_size_min_max=%lu\n", min, max);
680 } else {
681 TRACE("buffer_size=%lu\n", val);
683 } while(0);
685 #define X(x) do { \
686 int err=0; \
687 int dir=0; \
688 unsigned int val=0; \
689 err = snd_pcm_hw_params_get_##x(hw_params,&val, &dir); \
690 if (err<0) { \
691 unsigned int min = 0; \
692 unsigned int max = 0; \
693 err = snd_pcm_hw_params_get_##x##_min(hw_params, &min, &dir); \
694 err = snd_pcm_hw_params_get_##x##_max(hw_params, &max, &dir); \
695 TRACE(#x "_min=%u " #x "_max=%u\n", min, max); \
696 } else \
697 TRACE(#x "=%d\n", val); \
698 } while(0)
700 X(rate);
701 X(buffer_time);
702 X(periods);
703 do {
704 int err=0;
705 int dir=0;
706 snd_pcm_uframes_t val=0;
707 err = snd_pcm_hw_params_get_period_size(hw_params, &val, &dir);
708 if (err<0) {
709 snd_pcm_uframes_t min = 0;
710 snd_pcm_uframes_t max = 0;
711 err = snd_pcm_hw_params_get_period_size_min(hw_params, &min, &dir),
712 err = snd_pcm_hw_params_get_period_size_max(hw_params, &max, &dir);
713 TRACE("period_size_min=%lu, period_size_min_max=%lu\n", min, max);
714 } else {
715 TRACE("period_size=%lu\n", val);
717 } while(0);
719 X(period_time);
720 X(tick_time);
721 #undef X
723 if (!sw)
724 return;
727 /* return a string duplicated on the win32 process heap, free with HeapFree */
728 static char* ALSA_strdup(char *s) {
729 char *result = HeapAlloc(GetProcessHeap(), 0, strlen(s)+1);
730 strcpy(result, s);
731 return result;
734 /******************************************************************
735 * ALSA_GetDeviceFromReg
737 * Returns either "plug:hw" or reads the registry so the user can
738 * override the playback/record device used.
740 static char *ALSA_GetDeviceFromReg(const char *value)
742 DWORD res;
743 DWORD type;
744 HKEY key = 0;
745 char *result = NULL;
746 DWORD resultSize;
748 res = RegOpenKeyExA(HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\ALSA", 0, KEY_QUERY_VALUE, &key);
749 if (res != ERROR_SUCCESS) goto end;
751 res = RegQueryValueExA(key, value, NULL, &type, NULL, &resultSize);
752 if (res != ERROR_SUCCESS) goto end;
754 if (type != REG_SZ) {
755 ERR("Registry key [HKEY_LOCAL_MACHINE\\Software\\Wine\\Wine\\ALSA\\%s] must be a string\n", value);
756 goto end;
759 result = HeapAlloc(GetProcessHeap(), 0, resultSize);
760 res = RegQueryValueExA(key, value, NULL, NULL, result, &resultSize);
762 end:
763 if (!result)
764 result = ALSA_strdup("plug:hw");
766 if (key)
767 RegCloseKey(key);
769 return result;
772 /******************************************************************
773 * ALSA_WaveInit
775 * Initialize internal structures from ALSA information
777 LONG ALSA_WaveInit(void)
779 snd_pcm_t* h;
780 snd_pcm_info_t * info;
781 snd_pcm_hw_params_t * hw_params;
782 unsigned int ratemin=0;
783 unsigned int ratemax=0;
784 unsigned int chmin=0;
785 unsigned int chmax=0;
786 int dir=0;
787 int err=0;
788 WINE_WAVEOUT* wwo;
789 WINE_WAVEIN* wwi;
790 int i;
792 if (!wine_dlopen("libasound.so.2", RTLD_LAZY|RTLD_GLOBAL, NULL, 0))
794 ERR("Error: ALSA lib needs to be loaded with flags RTLD_LAZY and RTLD_GLOBAL.\n");
795 return -1;
798 ALSA_WodNumDevs = 0;
800 for (i = 0; i < MAX_WAVEOUTDRV; i++)
802 char device[64];
803 char * regdev;
804 WCHAR nameW[64];
805 snd_pcm_format_mask_t * fmask;
806 snd_pcm_access_mask_t * acmask;
808 wwo = &WOutDev[ALSA_WodNumDevs];
810 regdev = ALSA_GetDeviceFromReg("PlaybackDevice");
811 sprintf(device, "%s:%d", regdev, i);
812 HeapFree(GetProcessHeap(), 0, regdev);
813 wwo->device = HeapAlloc(GetProcessHeap(), 0, strlen(device));
814 strcpy(wwo->device, device);
815 TRACE("using waveout device \"%s\"\n", wwo->device);
817 snprintf(wwo->interface_name, sizeof(wwo->interface_name), "winealsa: %s", wwo->device);
819 wwo->caps.wMid = 0x0002;
820 wwo->caps.wPid = 0x0104;
821 wwo->caps.vDriverVersion = 0x0100;
822 wwo->caps.dwFormats = 0x00000000;
823 wwo->caps.dwSupport = 0;
824 strcpy(wwo->ds_desc.szDrvname, "winealsa.drv");
826 snd_pcm_info_alloca(&info);
827 snd_pcm_hw_params_alloca(&hw_params);
829 #define EXIT_ON_ERROR(f,txt) do { int err; if ( (err = (f) ) < 0) { ERR(txt ": %s\n", snd_strerror(err)); if (h) snd_pcm_close(h); return -1; } } while(0)
831 h = NULL;
832 snd_pcm_open(&h, wwo->device, SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK);
833 if (!h)
834 continue;
836 EXIT_ON_ERROR( snd_pcm_info(h, info) , "pcm info" );
838 TRACE("dev=%d id=%s name=%s subdev=%d subdev_name=%s subdev_avail=%d subdev_num=%d stream=%s subclass=%s \n",
839 snd_pcm_info_get_device(info),
840 snd_pcm_info_get_id(info),
841 snd_pcm_info_get_name(info),
842 snd_pcm_info_get_subdevice(info),
843 snd_pcm_info_get_subdevice_name(info),
844 snd_pcm_info_get_subdevices_avail(info),
845 snd_pcm_info_get_subdevices_count(info),
846 snd_pcm_stream_name(snd_pcm_info_get_stream(info)),
847 (snd_pcm_info_get_subclass(info) == SND_PCM_SUBCLASS_GENERIC_MIX ? "GENERIC MIX": "MULTI MIX"));
849 strcpy(wwo->ds_desc.szDesc, snd_pcm_info_get_name(info));
850 MultiByteToWideChar(CP_ACP, 0, wwo->ds_desc.szDesc, -1, nameW, sizeof(nameW)/sizeof(WCHAR));
851 strcpyW(wwo->caps.szPname, nameW);
852 EXIT_ON_ERROR( snd_pcm_hw_params_any(h, hw_params) , "pcm hw params" );
853 #undef EXIT_ON_ERROR
855 err = snd_pcm_hw_params_get_rate_min(hw_params, &ratemin, &dir);
856 err = snd_pcm_hw_params_get_rate_max(hw_params, &ratemax, &dir);
857 err = snd_pcm_hw_params_get_channels_min(hw_params, &chmin);
858 err = snd_pcm_hw_params_get_channels_max(hw_params, &chmax);
859 if (TRACE_ON(wave))
860 ALSA_TraceParameters(hw_params, NULL, TRUE);
862 snd_pcm_format_mask_alloca(&fmask);
863 snd_pcm_hw_params_get_format_mask(hw_params, fmask);
865 #define X(r,v) \
866 if ( (r) >= ratemin && ( (r) <= ratemax || ratemax == -1) ) \
868 if (snd_pcm_format_mask_test( fmask, SND_PCM_FORMAT_U8)) \
870 if (chmin <= 1 && 1 <= chmax) \
871 wwo->caps.dwFormats |= WAVE_FORMAT_##v##M08; \
872 if (chmin <= 2 && 2 <= chmax) \
873 wwo->caps.dwFormats |= WAVE_FORMAT_##v##S08; \
875 if (snd_pcm_format_mask_test( fmask, SND_PCM_FORMAT_S16_LE)) \
877 if (chmin <= 1 && 1 <= chmax) \
878 wwo->caps.dwFormats |= WAVE_FORMAT_##v##M16; \
879 if (chmin <= 2 && 2 <= chmax) \
880 wwo->caps.dwFormats |= WAVE_FORMAT_##v##S16; \
883 X(11025,1);
884 X(22050,2);
885 X(44100,4);
886 X(48000,48);
887 X(96000,96);
888 #undef X
890 if (chmin > 1)
891 FIXME("-\n");
892 wwo->caps.wChannels = chmax;
894 /* FIXME: always true ? */
895 wwo->caps.dwSupport |= WAVECAPS_SAMPLEACCURATE;
897 snd_pcm_access_mask_alloca(&acmask);
898 snd_pcm_hw_params_get_access_mask(hw_params, acmask);
900 /* FIXME: NONITERLEAVED and COMPLEX are not supported right now */
901 if ( snd_pcm_access_mask_test( acmask, SND_PCM_ACCESS_MMAP_INTERLEAVED ) )
902 wwo->caps.dwSupport |= WAVECAPS_DIRECTSOUND;
904 TRACE("Configured with dwFmts=%08lx dwSupport=%08lx\n",
905 wwo->caps.dwFormats, wwo->caps.dwSupport);
907 snd_pcm_close(h);
909 /* Get a high level control handle for volume operations */
910 /* FIXME: This is never freed! (there are other things done in this function similarly not freed) */
911 if (snd_hctl_open(&wwo->hctl, wwo->device, 0) >= 0)
912 snd_hctl_load(wwo->hctl);
913 else
914 wwo->hctl = NULL;
916 /* check for volume control support */
917 if (wwo->hctl) {
918 wwo->caps.dwSupport |= WAVECAPS_VOLUME;
920 if (chmin <= 2 && 2 <= chmax)
921 wwo->caps.dwSupport |= WAVECAPS_LRVOLUME;
924 if (wwo->caps.dwFormats & (WAVE_FORMAT_1M08 | WAVE_FORMAT_2M08 |
925 WAVE_FORMAT_4M08 | WAVE_FORMAT_48M08 |
926 WAVE_FORMAT_96M08 | WAVE_FORMAT_1M16 |
927 WAVE_FORMAT_2M16 | WAVE_FORMAT_4M16 |
928 WAVE_FORMAT_48M16 | WAVE_FORMAT_96M16) )
929 wwo->ds_caps.dwFlags |= DSCAPS_PRIMARYMONO;
931 if (wwo->caps.dwFormats & (WAVE_FORMAT_1S08 | WAVE_FORMAT_2S08 |
932 WAVE_FORMAT_4S08 | WAVE_FORMAT_48S08 |
933 WAVE_FORMAT_96S08 | WAVE_FORMAT_1S16 |
934 WAVE_FORMAT_2S16 | WAVE_FORMAT_4S16 |
935 WAVE_FORMAT_48S16 | WAVE_FORMAT_96S16) )
936 wwo->ds_caps.dwFlags |= DSCAPS_PRIMARYSTEREO;
938 if (wwo->caps.dwFormats & (WAVE_FORMAT_1M08 | WAVE_FORMAT_2M08 |
939 WAVE_FORMAT_4M08 | WAVE_FORMAT_48M08 |
940 WAVE_FORMAT_96M08 | WAVE_FORMAT_1S08 |
941 WAVE_FORMAT_2S08 | WAVE_FORMAT_4S08 |
942 WAVE_FORMAT_48S08 | WAVE_FORMAT_96S08) )
943 wwo->ds_caps.dwFlags |= DSCAPS_PRIMARY8BIT;
945 if (wwo->caps.dwFormats & (WAVE_FORMAT_1M16 | WAVE_FORMAT_2M16 |
946 WAVE_FORMAT_4M16 | WAVE_FORMAT_48M16 |
947 WAVE_FORMAT_96M16 | WAVE_FORMAT_1S16 |
948 WAVE_FORMAT_2S16 | WAVE_FORMAT_4S16 |
949 WAVE_FORMAT_48S16 | WAVE_FORMAT_96S16) )
950 wwo->ds_caps.dwFlags |= DSCAPS_PRIMARY16BIT;
952 wwo->ds_caps.dwMinSecondarySampleRate = DSBFREQUENCY_MIN;
953 wwo->ds_caps.dwMaxSecondarySampleRate = DSBFREQUENCY_MAX;
954 wwo->ds_caps.dwPrimaryBuffers = 1;
956 ALSA_WodNumDevs++;
959 ALSA_WidNumDevs = 0;
961 for (i = 0; i < MAX_WAVEINDRV; i++)
963 char device[64];
964 char * regdev;
965 WCHAR nameW[64];
966 snd_pcm_format_mask_t * fmask;
967 snd_pcm_access_mask_t * acmask;
969 wwi = &WInDev[ALSA_WidNumDevs];
971 regdev = ALSA_GetDeviceFromReg("CaptureDevice");
972 sprintf(device, "%s:%d", regdev, i);
973 HeapFree(GetProcessHeap(), 0, regdev);
974 wwi->device = HeapAlloc(GetProcessHeap(), 0, strlen(device));
975 strcpy(wwi->device, device);
977 TRACE("using wavein device \"%s\"\n", wwi->device);
979 snprintf(wwi->interface_name, sizeof(wwi->interface_name), "winealsa: %s", wwi->device);
981 wwi->caps.wMid = 0x0002;
982 wwi->caps.wPid = 0x0104;
983 wwi->caps.vDriverVersion = 0x0100;
984 wwi->caps.dwFormats = 0x00000000;
985 strcpy(wwi->ds_desc.szDrvname, "winealsa.drv");
986 wwi->dwSupport = 0;
988 snd_pcm_info_alloca(&info);
989 snd_pcm_hw_params_alloca(&hw_params);
991 #define EXIT_ON_ERROR(f,txt) do { int err; if ( (err = (f) ) < 0) { ERR(txt ": %s\n", snd_strerror(err)); if (h) snd_pcm_close(h); return -1; } } while(0)
993 h = NULL;
994 snd_pcm_open(&h, wwi->device, SND_PCM_STREAM_CAPTURE, SND_PCM_NONBLOCK);
995 if (!h)
996 continue;
998 EXIT_ON_ERROR( snd_pcm_info(h, info) , "pcm info" );
1000 TRACE("dev=%d id=%s name=%s subdev=%d subdev_name=%s subdev_avail=%d subdev_num=%d stream=%s subclass=%s \n",
1001 snd_pcm_info_get_device(info),
1002 snd_pcm_info_get_id(info),
1003 snd_pcm_info_get_name(info),
1004 snd_pcm_info_get_subdevice(info),
1005 snd_pcm_info_get_subdevice_name(info),
1006 snd_pcm_info_get_subdevices_avail(info),
1007 snd_pcm_info_get_subdevices_count(info),
1008 snd_pcm_stream_name(snd_pcm_info_get_stream(info)),
1009 (snd_pcm_info_get_subclass(info) == SND_PCM_SUBCLASS_GENERIC_MIX ? "GENERIC MIX": "MULTI MIX"));
1011 strcpy(wwi->ds_desc.szDesc, snd_pcm_info_get_name(info));
1012 MultiByteToWideChar(CP_ACP, 0, wwi->ds_desc.szDesc, -1, nameW, sizeof(nameW)/sizeof(WCHAR));
1013 strcpyW(wwi->caps.szPname, nameW);
1014 EXIT_ON_ERROR( snd_pcm_hw_params_any(h, hw_params) , "pcm hw params" );
1015 #undef EXIT_ON_ERROR
1016 err = snd_pcm_hw_params_get_rate_min(hw_params, &ratemin, &dir);
1017 err = snd_pcm_hw_params_get_rate_max(hw_params, &ratemax, &dir);
1018 err = snd_pcm_hw_params_get_channels_min(hw_params, &chmin);
1019 err = snd_pcm_hw_params_get_channels_max(hw_params, &chmax);
1021 if (TRACE_ON(wave))
1022 ALSA_TraceParameters(hw_params, NULL, TRUE);
1024 snd_pcm_format_mask_alloca(&fmask);
1025 snd_pcm_hw_params_get_format_mask(hw_params, fmask);
1027 #define X(r,v) \
1028 if ( (r) >= ratemin && ( (r) <= ratemax || ratemax == -1) ) \
1030 if (snd_pcm_format_mask_test( fmask, SND_PCM_FORMAT_U8)) \
1032 if (chmin <= 1 && 1 <= chmax) \
1033 wwi->caps.dwFormats |= WAVE_FORMAT_##v##M08; \
1034 if (chmin <= 2 && 2 <= chmax) \
1035 wwi->caps.dwFormats |= WAVE_FORMAT_##v##S08; \
1037 if (snd_pcm_format_mask_test( fmask, SND_PCM_FORMAT_S16_LE)) \
1039 if (chmin <= 1 && 1 <= chmax) \
1040 wwi->caps.dwFormats |= WAVE_FORMAT_##v##M16; \
1041 if (chmin <= 2 && 2 <= chmax) \
1042 wwi->caps.dwFormats |= WAVE_FORMAT_##v##S16; \
1045 X(11025,1);
1046 X(22050,2);
1047 X(44100,4);
1048 X(48000,48);
1049 X(96000,96);
1050 #undef X
1052 if (chmin > 1)
1053 FIXME("-\n");
1054 wwi->caps.wChannels = chmax;
1056 snd_pcm_access_mask_alloca(&acmask);
1057 snd_pcm_hw_params_get_access_mask(hw_params, acmask);
1059 /* FIXME: NONITERLEAVED and COMPLEX are not supported right now */
1060 if ( snd_pcm_access_mask_test( acmask, SND_PCM_ACCESS_MMAP_INTERLEAVED ) ) {
1061 #if 0
1062 wwi->dwSupport |= WAVECAPS_DIRECTSOUND;
1063 #endif
1066 TRACE("Configured with dwFmts=%08lx\n", wwi->caps.dwFormats);
1068 snd_pcm_close(h);
1070 ALSA_WidNumDevs++;
1073 return 0;
1076 /******************************************************************
1077 * ALSA_InitRingMessage
1079 * Initialize the ring of messages for passing between driver's caller and playback/record
1080 * thread
1082 static int ALSA_InitRingMessage(ALSA_MSG_RING* omr)
1084 omr->msg_toget = 0;
1085 omr->msg_tosave = 0;
1086 #ifdef USE_PIPE_SYNC
1087 if (pipe(omr->msg_pipe) < 0) {
1088 omr->msg_pipe[0] = -1;
1089 omr->msg_pipe[1] = -1;
1090 ERR("could not create pipe, error=%s\n", strerror(errno));
1092 #else
1093 omr->msg_event = CreateEventW(NULL, FALSE, FALSE, NULL);
1094 #endif
1095 omr->ring_buffer_size = ALSA_RING_BUFFER_INCREMENT;
1096 omr->messages = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,omr->ring_buffer_size * sizeof(ALSA_MSG));
1098 InitializeCriticalSection(&omr->msg_crst);
1099 return 0;
1102 /******************************************************************
1103 * ALSA_DestroyRingMessage
1106 static int ALSA_DestroyRingMessage(ALSA_MSG_RING* omr)
1108 #ifdef USE_PIPE_SYNC
1109 close(omr->msg_pipe[0]);
1110 close(omr->msg_pipe[1]);
1111 #else
1112 CloseHandle(omr->msg_event);
1113 #endif
1114 HeapFree(GetProcessHeap(),0,omr->messages);
1115 DeleteCriticalSection(&omr->msg_crst);
1116 return 0;
1119 /******************************************************************
1120 * ALSA_AddRingMessage
1122 * Inserts a new message into the ring (should be called from DriverProc derivated routines)
1124 static int ALSA_AddRingMessage(ALSA_MSG_RING* omr, enum win_wm_message msg, DWORD param, BOOL wait)
1126 HANDLE hEvent = INVALID_HANDLE_VALUE;
1128 EnterCriticalSection(&omr->msg_crst);
1129 if ((omr->msg_toget == ((omr->msg_tosave + 1) % omr->ring_buffer_size)))
1131 int old_ring_buffer_size = omr->ring_buffer_size;
1132 omr->ring_buffer_size += ALSA_RING_BUFFER_INCREMENT;
1133 TRACE("omr->ring_buffer_size=%d\n",omr->ring_buffer_size);
1134 omr->messages = HeapReAlloc(GetProcessHeap(),0,omr->messages, omr->ring_buffer_size * sizeof(ALSA_MSG));
1135 /* Now we need to rearrange the ring buffer so that the new
1136 buffers just allocated are in between omr->msg_tosave and
1137 omr->msg_toget.
1139 if (omr->msg_tosave < omr->msg_toget)
1141 memmove(&(omr->messages[omr->msg_toget + ALSA_RING_BUFFER_INCREMENT]),
1142 &(omr->messages[omr->msg_toget]),
1143 sizeof(ALSA_MSG)*(old_ring_buffer_size - omr->msg_toget)
1145 omr->msg_toget += ALSA_RING_BUFFER_INCREMENT;
1148 if (wait)
1150 hEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
1151 if (hEvent == INVALID_HANDLE_VALUE)
1153 ERR("can't create event !?\n");
1154 LeaveCriticalSection(&omr->msg_crst);
1155 return 0;
1157 if (omr->msg_toget != omr->msg_tosave && omr->messages[omr->msg_toget].msg != WINE_WM_HEADER)
1158 FIXME("two fast messages in the queue!!!! toget = %d(%s), tosave=%d(%s)\n",
1159 omr->msg_toget,getCmdString(omr->messages[omr->msg_toget].msg),
1160 omr->msg_tosave,getCmdString(omr->messages[omr->msg_tosave].msg));
1162 /* fast messages have to be added at the start of the queue */
1163 omr->msg_toget = (omr->msg_toget + omr->ring_buffer_size - 1) % omr->ring_buffer_size;
1165 omr->messages[omr->msg_toget].msg = msg;
1166 omr->messages[omr->msg_toget].param = param;
1167 omr->messages[omr->msg_toget].hEvent = hEvent;
1169 else
1171 omr->messages[omr->msg_tosave].msg = msg;
1172 omr->messages[omr->msg_tosave].param = param;
1173 omr->messages[omr->msg_tosave].hEvent = INVALID_HANDLE_VALUE;
1174 omr->msg_tosave = (omr->msg_tosave + 1) % omr->ring_buffer_size;
1176 LeaveCriticalSection(&omr->msg_crst);
1177 /* signal a new message */
1178 SIGNAL_OMR(omr);
1179 if (wait)
1181 /* wait for playback/record thread to have processed the message */
1182 WaitForSingleObject(hEvent, INFINITE);
1183 CloseHandle(hEvent);
1185 return 1;
1188 /******************************************************************
1189 * ALSA_RetrieveRingMessage
1191 * Get a message from the ring. Should be called by the playback/record thread.
1193 static int ALSA_RetrieveRingMessage(ALSA_MSG_RING* omr,
1194 enum win_wm_message *msg, DWORD *param, HANDLE *hEvent)
1196 EnterCriticalSection(&omr->msg_crst);
1198 if (omr->msg_toget == omr->msg_tosave) /* buffer empty ? */
1200 LeaveCriticalSection(&omr->msg_crst);
1201 return 0;
1204 *msg = omr->messages[omr->msg_toget].msg;
1205 omr->messages[omr->msg_toget].msg = 0;
1206 *param = omr->messages[omr->msg_toget].param;
1207 *hEvent = omr->messages[omr->msg_toget].hEvent;
1208 omr->msg_toget = (omr->msg_toget + 1) % omr->ring_buffer_size;
1209 CLEAR_OMR(omr);
1210 LeaveCriticalSection(&omr->msg_crst);
1211 return 1;
1214 /******************************************************************
1215 * ALSA_PeekRingMessage
1217 * Peek at a message from the ring but do not remove it.
1218 * Should be called by the playback/record thread.
1220 static int ALSA_PeekRingMessage(ALSA_MSG_RING* omr,
1221 enum win_wm_message *msg,
1222 DWORD *param, HANDLE *hEvent)
1224 EnterCriticalSection(&omr->msg_crst);
1226 if (omr->msg_toget == omr->msg_tosave) /* buffer empty ? */
1228 LeaveCriticalSection(&omr->msg_crst);
1229 return 0;
1232 *msg = omr->messages[omr->msg_toget].msg;
1233 *param = omr->messages[omr->msg_toget].param;
1234 *hEvent = omr->messages[omr->msg_toget].hEvent;
1235 LeaveCriticalSection(&omr->msg_crst);
1236 return 1;
1239 /*======================================================================*
1240 * Low level WAVE OUT implementation *
1241 *======================================================================*/
1243 /**************************************************************************
1244 * wodNotifyClient [internal]
1246 static DWORD wodNotifyClient(WINE_WAVEOUT* wwo, WORD wMsg, DWORD dwParam1, DWORD dwParam2)
1248 TRACE("wMsg = 0x%04x dwParm1 = %04lX dwParam2 = %04lX\n", wMsg, dwParam1, dwParam2);
1250 switch (wMsg) {
1251 case WOM_OPEN:
1252 case WOM_CLOSE:
1253 case WOM_DONE:
1254 if (wwo->wFlags != DCB_NULL &&
1255 !DriverCallback(wwo->waveDesc.dwCallback, wwo->wFlags, (HDRVR)wwo->waveDesc.hWave,
1256 wMsg, wwo->waveDesc.dwInstance, dwParam1, dwParam2)) {
1257 WARN("can't notify client !\n");
1258 return MMSYSERR_ERROR;
1260 break;
1261 default:
1262 FIXME("Unknown callback message %u\n", wMsg);
1263 return MMSYSERR_INVALPARAM;
1265 return MMSYSERR_NOERROR;
1268 /**************************************************************************
1269 * wodUpdatePlayedTotal [internal]
1272 static BOOL wodUpdatePlayedTotal(WINE_WAVEOUT* wwo, snd_pcm_status_t* ps)
1274 snd_pcm_sframes_t delay = 0;
1275 snd_pcm_delay(wwo->handle, &delay);
1276 if (snd_pcm_state(wwo->handle) != SND_PCM_STATE_RUNNING)
1277 delay=0;
1278 wwo->dwPlayedTotal = wwo->dwWrittenTotal - snd_pcm_frames_to_bytes(wwo->handle, delay);
1279 return TRUE;
1282 /**************************************************************************
1283 * wodPlayer_BeginWaveHdr [internal]
1285 * Makes the specified lpWaveHdr the currently playing wave header.
1286 * If the specified wave header is a begin loop and we're not already in
1287 * a loop, setup the loop.
1289 static void wodPlayer_BeginWaveHdr(WINE_WAVEOUT* wwo, LPWAVEHDR lpWaveHdr)
1291 wwo->lpPlayPtr = lpWaveHdr;
1293 if (!lpWaveHdr) return;
1295 if (lpWaveHdr->dwFlags & WHDR_BEGINLOOP) {
1296 if (wwo->lpLoopPtr) {
1297 WARN("Already in a loop. Discarding loop on this header (%p)\n", lpWaveHdr);
1298 } else {
1299 TRACE("Starting loop (%ldx) with %p\n", lpWaveHdr->dwLoops, lpWaveHdr);
1300 wwo->lpLoopPtr = lpWaveHdr;
1301 /* Windows does not touch WAVEHDR.dwLoops,
1302 * so we need to make an internal copy */
1303 wwo->dwLoops = lpWaveHdr->dwLoops;
1306 wwo->dwPartialOffset = 0;
1309 /**************************************************************************
1310 * wodPlayer_PlayPtrNext [internal]
1312 * Advance the play pointer to the next waveheader, looping if required.
1314 static LPWAVEHDR wodPlayer_PlayPtrNext(WINE_WAVEOUT* wwo)
1316 LPWAVEHDR lpWaveHdr = wwo->lpPlayPtr;
1318 wwo->dwPartialOffset = 0;
1319 if ((lpWaveHdr->dwFlags & WHDR_ENDLOOP) && wwo->lpLoopPtr) {
1320 /* We're at the end of a loop, loop if required */
1321 if (--wwo->dwLoops > 0) {
1322 wwo->lpPlayPtr = wwo->lpLoopPtr;
1323 } else {
1324 /* Handle overlapping loops correctly */
1325 if (wwo->lpLoopPtr != lpWaveHdr && (lpWaveHdr->dwFlags & WHDR_BEGINLOOP)) {
1326 FIXME("Correctly handled case ? (ending loop buffer also starts a new loop)\n");
1327 /* shall we consider the END flag for the closing loop or for
1328 * the opening one or for both ???
1329 * code assumes for closing loop only
1331 } else {
1332 lpWaveHdr = lpWaveHdr->lpNext;
1334 wwo->lpLoopPtr = NULL;
1335 wodPlayer_BeginWaveHdr(wwo, lpWaveHdr);
1337 } else {
1338 /* We're not in a loop. Advance to the next wave header */
1339 wodPlayer_BeginWaveHdr(wwo, lpWaveHdr = lpWaveHdr->lpNext);
1342 return lpWaveHdr;
1345 /**************************************************************************
1346 * wodPlayer_DSPWait [internal]
1347 * Returns the number of milliseconds to wait for the DSP buffer to play a
1348 * period
1350 static DWORD wodPlayer_DSPWait(const WINE_WAVEOUT *wwo)
1352 /* time for one period to be played */
1353 unsigned int val=0;
1354 int dir=0;
1355 int err=0;
1356 err = snd_pcm_hw_params_get_period_time(wwo->hw_params, &val, &dir);
1357 return val / 1000;
1360 /**************************************************************************
1361 * wodPlayer_NotifyWait [internal]
1362 * Returns the number of milliseconds to wait before attempting to notify
1363 * completion of the specified wavehdr.
1364 * This is based on the number of bytes remaining to be written in the
1365 * wave.
1367 static DWORD wodPlayer_NotifyWait(const WINE_WAVEOUT* wwo, LPWAVEHDR lpWaveHdr)
1369 DWORD dwMillis;
1371 if (lpWaveHdr->reserved < wwo->dwPlayedTotal) {
1372 dwMillis = 1;
1373 } else {
1374 dwMillis = (lpWaveHdr->reserved - wwo->dwPlayedTotal) * 1000 / wwo->format.Format.nAvgBytesPerSec;
1375 if (!dwMillis) dwMillis = 1;
1378 return dwMillis;
1382 /**************************************************************************
1383 * wodPlayer_WriteMaxFrags [internal]
1384 * Writes the maximum number of frames possible to the DSP and returns
1385 * the number of frames written.
1387 static int wodPlayer_WriteMaxFrags(WINE_WAVEOUT* wwo, DWORD* frames)
1389 /* Only attempt to write to free frames */
1390 LPWAVEHDR lpWaveHdr = wwo->lpPlayPtr;
1391 DWORD dwLength = snd_pcm_bytes_to_frames(wwo->handle, lpWaveHdr->dwBufferLength - wwo->dwPartialOffset);
1392 int toWrite = min(dwLength, *frames);
1393 int written;
1395 TRACE("Writing wavehdr %p.%lu[%lu]\n", lpWaveHdr, wwo->dwPartialOffset, lpWaveHdr->dwBufferLength);
1397 if (toWrite > 0) {
1398 written = (wwo->write)(wwo->handle, lpWaveHdr->lpData + wwo->dwPartialOffset, toWrite);
1399 if ( written < 0) {
1400 /* XRUN occurred. let's try to recover */
1401 ALSA_XRUNRecovery(wwo, written);
1402 written = (wwo->write)(wwo->handle, lpWaveHdr->lpData + wwo->dwPartialOffset, toWrite);
1404 if (written <= 0) {
1405 /* still in error */
1406 ERR("Error in writing wavehdr. Reason: %s\n", snd_strerror(written));
1407 return written;
1409 } else
1410 written = 0;
1412 wwo->dwPartialOffset += snd_pcm_frames_to_bytes(wwo->handle, written);
1413 if ( wwo->dwPartialOffset >= lpWaveHdr->dwBufferLength) {
1414 /* this will be used to check if the given wave header has been fully played or not... */
1415 wwo->dwPartialOffset = lpWaveHdr->dwBufferLength;
1416 /* If we wrote all current wavehdr, skip to the next one */
1417 wodPlayer_PlayPtrNext(wwo);
1419 *frames -= written;
1420 wwo->dwWrittenTotal += snd_pcm_frames_to_bytes(wwo->handle, written);
1421 TRACE("dwWrittenTotal=%lu\n", wwo->dwWrittenTotal);
1423 return written;
1427 /**************************************************************************
1428 * wodPlayer_NotifyCompletions [internal]
1430 * Notifies and remove from queue all wavehdrs which have been played to
1431 * the speaker (ie. they have cleared the ALSA buffer). If force is true,
1432 * we notify all wavehdrs and remove them all from the queue even if they
1433 * are unplayed or part of a loop.
1435 static DWORD wodPlayer_NotifyCompletions(WINE_WAVEOUT* wwo, BOOL force)
1437 LPWAVEHDR lpWaveHdr;
1439 /* Start from lpQueuePtr and keep notifying until:
1440 * - we hit an unwritten wavehdr
1441 * - we hit the beginning of a running loop
1442 * - we hit a wavehdr which hasn't finished playing
1444 #if 0
1445 while ((lpWaveHdr = wwo->lpQueuePtr) &&
1446 (force ||
1447 (lpWaveHdr != wwo->lpPlayPtr &&
1448 lpWaveHdr != wwo->lpLoopPtr &&
1449 lpWaveHdr->reserved <= wwo->dwPlayedTotal))) {
1451 wwo->lpQueuePtr = lpWaveHdr->lpNext;
1453 lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
1454 lpWaveHdr->dwFlags |= WHDR_DONE;
1456 wodNotifyClient(wwo, WOM_DONE, (DWORD)lpWaveHdr, 0);
1458 #else
1459 for (;;)
1461 lpWaveHdr = wwo->lpQueuePtr;
1462 if (!lpWaveHdr) {TRACE("Empty queue\n"); break;}
1463 if (!force)
1465 if (lpWaveHdr == wwo->lpPlayPtr) {TRACE("play %p\n", lpWaveHdr); break;}
1466 if (lpWaveHdr == wwo->lpLoopPtr) {TRACE("loop %p\n", lpWaveHdr); break;}
1467 if (lpWaveHdr->reserved > wwo->dwPlayedTotal){TRACE("still playing %p (%lu/%lu)\n", lpWaveHdr, lpWaveHdr->reserved, wwo->dwPlayedTotal);break;}
1469 wwo->lpQueuePtr = lpWaveHdr->lpNext;
1471 lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
1472 lpWaveHdr->dwFlags |= WHDR_DONE;
1474 wodNotifyClient(wwo, WOM_DONE, (DWORD)lpWaveHdr, 0);
1476 #endif
1477 return (lpWaveHdr && lpWaveHdr != wwo->lpPlayPtr && lpWaveHdr != wwo->lpLoopPtr) ?
1478 wodPlayer_NotifyWait(wwo, lpWaveHdr) : INFINITE;
1482 static void wait_for_poll(snd_pcm_t *handle, struct pollfd *ufds, unsigned int count)
1484 unsigned short revents;
1486 if (snd_pcm_state(handle) != SND_PCM_STATE_RUNNING)
1487 return;
1489 while (1) {
1490 poll(ufds, count, -1);
1491 snd_pcm_poll_descriptors_revents(handle, ufds, count, &revents);
1493 if (revents & POLLERR)
1494 return;
1496 /*if (revents & POLLOUT)
1497 return 0;*/
1502 /**************************************************************************
1503 * wodPlayer_Reset [internal]
1505 * wodPlayer helper. Resets current output stream.
1507 static void wodPlayer_Reset(WINE_WAVEOUT* wwo)
1509 enum win_wm_message msg;
1510 DWORD param;
1511 HANDLE ev;
1512 int err;
1514 /* flush all possible output */
1515 wait_for_poll(wwo->handle, wwo->ufds, wwo->count);
1517 wodUpdatePlayedTotal(wwo, NULL);
1518 /* updates current notify list */
1519 wodPlayer_NotifyCompletions(wwo, FALSE);
1521 if ( (err = snd_pcm_drop(wwo->handle)) < 0) {
1522 FIXME("flush: %s\n", snd_strerror(err));
1523 wwo->hThread = 0;
1524 wwo->state = WINE_WS_STOPPED;
1525 ExitThread(-1);
1527 if ( (err = snd_pcm_prepare(wwo->handle)) < 0 )
1528 ERR("pcm prepare failed: %s\n", snd_strerror(err));
1530 /* remove any buffer */
1531 wodPlayer_NotifyCompletions(wwo, TRUE);
1533 wwo->lpPlayPtr = wwo->lpQueuePtr = wwo->lpLoopPtr = NULL;
1534 wwo->state = WINE_WS_STOPPED;
1535 wwo->dwPlayedTotal = wwo->dwWrittenTotal = 0;
1536 /* Clear partial wavehdr */
1537 wwo->dwPartialOffset = 0;
1539 /* remove any existing message in the ring */
1540 EnterCriticalSection(&wwo->msgRing.msg_crst);
1541 /* return all pending headers in queue */
1542 while (ALSA_RetrieveRingMessage(&wwo->msgRing, &msg, &param, &ev))
1544 if (msg != WINE_WM_HEADER)
1546 FIXME("shouldn't have headers left\n");
1547 SetEvent(ev);
1548 continue;
1550 ((LPWAVEHDR)param)->dwFlags &= ~WHDR_INQUEUE;
1551 ((LPWAVEHDR)param)->dwFlags |= WHDR_DONE;
1553 wodNotifyClient(wwo, WOM_DONE, param, 0);
1555 RESET_OMR(&wwo->msgRing);
1556 LeaveCriticalSection(&wwo->msgRing.msg_crst);
1559 /**************************************************************************
1560 * wodPlayer_ProcessMessages [internal]
1562 static void wodPlayer_ProcessMessages(WINE_WAVEOUT* wwo)
1564 LPWAVEHDR lpWaveHdr;
1565 enum win_wm_message msg;
1566 DWORD param;
1567 HANDLE ev;
1568 int err;
1570 while (ALSA_RetrieveRingMessage(&wwo->msgRing, &msg, &param, &ev)) {
1571 TRACE("Received %s %lx\n", getCmdString(msg), param);
1573 switch (msg) {
1574 case WINE_WM_PAUSING:
1575 if ( snd_pcm_state(wwo->handle) == SND_PCM_STATE_RUNNING )
1577 err = snd_pcm_pause(wwo->handle, 1);
1578 if ( err < 0 )
1579 ERR("pcm_pause failed: %s\n", snd_strerror(err));
1581 wwo->state = WINE_WS_PAUSED;
1582 SetEvent(ev);
1583 break;
1584 case WINE_WM_RESTARTING:
1585 if (wwo->state == WINE_WS_PAUSED)
1587 if ( snd_pcm_state(wwo->handle) == SND_PCM_STATE_PAUSED )
1589 err = snd_pcm_pause(wwo->handle, 0);
1590 if ( err < 0 )
1591 ERR("pcm_pause failed: %s\n", snd_strerror(err));
1593 wwo->state = WINE_WS_PLAYING;
1595 SetEvent(ev);
1596 break;
1597 case WINE_WM_HEADER:
1598 lpWaveHdr = (LPWAVEHDR)param;
1600 /* insert buffer at the end of queue */
1602 LPWAVEHDR* wh;
1603 for (wh = &(wwo->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
1604 *wh = lpWaveHdr;
1606 if (!wwo->lpPlayPtr)
1607 wodPlayer_BeginWaveHdr(wwo,lpWaveHdr);
1608 if (wwo->state == WINE_WS_STOPPED)
1609 wwo->state = WINE_WS_PLAYING;
1610 break;
1611 case WINE_WM_RESETTING:
1612 wodPlayer_Reset(wwo);
1613 SetEvent(ev);
1614 break;
1615 case WINE_WM_UPDATE:
1616 wodUpdatePlayedTotal(wwo, NULL);
1617 SetEvent(ev);
1618 break;
1619 case WINE_WM_BREAKLOOP:
1620 if (wwo->state == WINE_WS_PLAYING && wwo->lpLoopPtr != NULL) {
1621 /* ensure exit at end of current loop */
1622 wwo->dwLoops = 1;
1624 SetEvent(ev);
1625 break;
1626 case WINE_WM_CLOSING:
1627 /* sanity check: this should not happen since the device must have been reset before */
1628 if (wwo->lpQueuePtr || wwo->lpPlayPtr) ERR("out of sync\n");
1629 wwo->hThread = 0;
1630 wwo->state = WINE_WS_CLOSED;
1631 SetEvent(ev);
1632 ExitThread(0);
1633 /* shouldn't go here */
1634 default:
1635 FIXME("unknown message %d\n", msg);
1636 break;
1641 /**************************************************************************
1642 * wodPlayer_FeedDSP [internal]
1643 * Feed as much sound data as we can into the DSP and return the number of
1644 * milliseconds before it will be necessary to feed the DSP again.
1646 static DWORD wodPlayer_FeedDSP(WINE_WAVEOUT* wwo)
1648 DWORD availInQ;
1650 wodUpdatePlayedTotal(wwo, NULL);
1651 availInQ = snd_pcm_avail_update(wwo->handle);
1653 #if 0
1654 /* input queue empty and output buffer with less than one fragment to play */
1655 if (!wwo->lpPlayPtr && wwo->dwBufferSize < availInQ + wwo->dwFragmentSize) {
1656 TRACE("Run out of wavehdr:s...\n");
1657 return INFINITE;
1659 #endif
1661 /* no more room... no need to try to feed */
1662 if (availInQ > 0) {
1663 /* Feed from partial wavehdr */
1664 if (wwo->lpPlayPtr && wwo->dwPartialOffset != 0) {
1665 wodPlayer_WriteMaxFrags(wwo, &availInQ);
1668 /* Feed wavehdrs until we run out of wavehdrs or DSP space */
1669 if (wwo->dwPartialOffset == 0 && wwo->lpPlayPtr) {
1670 do {
1671 TRACE("Setting time to elapse for %p to %lu\n",
1672 wwo->lpPlayPtr, wwo->dwWrittenTotal + wwo->lpPlayPtr->dwBufferLength);
1673 /* note the value that dwPlayedTotal will return when this wave finishes playing */
1674 wwo->lpPlayPtr->reserved = wwo->dwWrittenTotal + wwo->lpPlayPtr->dwBufferLength;
1675 } while (wodPlayer_WriteMaxFrags(wwo, &availInQ) && wwo->lpPlayPtr && availInQ > 0);
1679 return wodPlayer_DSPWait(wwo);
1682 /**************************************************************************
1683 * wodPlayer [internal]
1685 static DWORD CALLBACK wodPlayer(LPVOID pmt)
1687 WORD uDevID = (DWORD)pmt;
1688 WINE_WAVEOUT* wwo = (WINE_WAVEOUT*)&WOutDev[uDevID];
1689 DWORD dwNextFeedTime = INFINITE; /* Time before DSP needs feeding */
1690 DWORD dwNextNotifyTime = INFINITE; /* Time before next wave completion */
1691 DWORD dwSleepTime;
1693 wwo->state = WINE_WS_STOPPED;
1694 SetEvent(wwo->hStartUpEvent);
1696 for (;;) {
1697 /** Wait for the shortest time before an action is required. If there
1698 * are no pending actions, wait forever for a command.
1700 dwSleepTime = min(dwNextFeedTime, dwNextNotifyTime);
1701 TRACE("waiting %lums (%lu,%lu)\n", dwSleepTime, dwNextFeedTime, dwNextNotifyTime);
1702 WAIT_OMR(&wwo->msgRing, dwSleepTime);
1703 wodPlayer_ProcessMessages(wwo);
1704 if (wwo->state == WINE_WS_PLAYING) {
1705 dwNextFeedTime = wodPlayer_FeedDSP(wwo);
1706 dwNextNotifyTime = wodPlayer_NotifyCompletions(wwo, FALSE);
1707 if (dwNextFeedTime == INFINITE) {
1708 /* FeedDSP ran out of data, but before giving up, */
1709 /* check that a notification didn't give us more */
1710 wodPlayer_ProcessMessages(wwo);
1711 if (wwo->lpPlayPtr) {
1712 TRACE("recovering\n");
1713 dwNextFeedTime = wodPlayer_FeedDSP(wwo);
1716 } else {
1717 dwNextFeedTime = dwNextNotifyTime = INFINITE;
1722 /**************************************************************************
1723 * wodGetDevCaps [internal]
1725 static DWORD wodGetDevCaps(WORD wDevID, LPWAVEOUTCAPSW lpCaps, DWORD dwSize)
1727 TRACE("(%u, %p, %lu);\n", wDevID, lpCaps, dwSize);
1729 if (lpCaps == NULL) return MMSYSERR_NOTENABLED;
1731 if (wDevID >= MAX_WAVEOUTDRV) {
1732 TRACE("MAX_WAVOUTDRV reached !\n");
1733 return MMSYSERR_BADDEVICEID;
1736 memcpy(lpCaps, &WOutDev[wDevID].caps, min(dwSize, sizeof(*lpCaps)));
1737 return MMSYSERR_NOERROR;
1740 /**************************************************************************
1741 * wodOpen [internal]
1743 static DWORD wodOpen(WORD wDevID, LPWAVEOPENDESC lpDesc, DWORD dwFlags)
1745 WINE_WAVEOUT* wwo;
1746 snd_pcm_hw_params_t * hw_params;
1747 snd_pcm_sw_params_t * sw_params;
1748 snd_pcm_access_t access;
1749 snd_pcm_format_t format = -1;
1750 unsigned int rate;
1751 unsigned int buffer_time = 500000;
1752 unsigned int period_time = 10000;
1753 snd_pcm_uframes_t buffer_size;
1754 snd_pcm_uframes_t period_size;
1755 int flags;
1756 snd_pcm_t * pcm;
1757 int err=0;
1758 int dir=0;
1760 snd_pcm_hw_params_alloca(&hw_params);
1761 snd_pcm_sw_params_alloca(&sw_params);
1763 TRACE("(%u, %p, %08lX);\n", wDevID, lpDesc, dwFlags);
1764 if (lpDesc == NULL) {
1765 WARN("Invalid Parameter !\n");
1766 return MMSYSERR_INVALPARAM;
1768 if (wDevID >= MAX_WAVEOUTDRV) {
1769 TRACE("MAX_WAVOUTDRV reached !\n");
1770 return MMSYSERR_BADDEVICEID;
1773 /* only PCM format is supported so far... */
1774 if (!supportedFormat(lpDesc->lpFormat)) {
1775 WARN("Bad format: tag=%04X nChannels=%d nSamplesPerSec=%ld !\n",
1776 lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
1777 lpDesc->lpFormat->nSamplesPerSec);
1778 return WAVERR_BADFORMAT;
1781 if (dwFlags & WAVE_FORMAT_QUERY) {
1782 TRACE("Query format: tag=%04X nChannels=%d nSamplesPerSec=%ld !\n",
1783 lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
1784 lpDesc->lpFormat->nSamplesPerSec);
1785 return MMSYSERR_NOERROR;
1788 wwo = &WOutDev[wDevID];
1790 if ((dwFlags & WAVE_DIRECTSOUND) && !(wwo->caps.dwSupport & WAVECAPS_DIRECTSOUND))
1791 /* not supported, ignore it */
1792 dwFlags &= ~WAVE_DIRECTSOUND;
1794 wwo->handle = 0;
1795 flags = SND_PCM_NONBLOCK;
1796 #if 0
1797 if ( dwFlags & WAVE_DIRECTSOUND )
1798 flags |= SND_PCM_ASYNC;
1799 #endif
1801 if ( (err = snd_pcm_open(&pcm, wwo->device, SND_PCM_STREAM_PLAYBACK, flags)) < 0)
1803 ERR("Error open: %s\n", snd_strerror(err));
1804 return MMSYSERR_NOTENABLED;
1807 wwo->wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
1809 memcpy(&wwo->waveDesc, lpDesc, sizeof(WAVEOPENDESC));
1810 copy_format(lpDesc->lpFormat, &wwo->format);
1812 TRACE("Requested this format: %ldx%dx%d %s\n",
1813 wwo->format.Format.nSamplesPerSec,
1814 wwo->format.Format.wBitsPerSample,
1815 wwo->format.Format.nChannels,
1816 getFormat(wwo->format.Format.wFormatTag));
1818 if (wwo->format.Format.wBitsPerSample == 0) {
1819 WARN("Resetting zeroed wBitsPerSample\n");
1820 wwo->format.Format.wBitsPerSample = 8 *
1821 (wwo->format.Format.nAvgBytesPerSec /
1822 wwo->format.Format.nSamplesPerSec) /
1823 wwo->format.Format.nChannels;
1826 snd_pcm_hw_params_any(pcm, hw_params);
1828 #define EXIT_ON_ERROR(f,e,txt) do \
1830 int err; \
1831 if ( (err = (f) ) < 0) \
1833 ERR(txt ": %s\n", snd_strerror(err)); \
1834 snd_pcm_close(pcm); \
1835 return e; \
1837 } while(0)
1839 access = SND_PCM_ACCESS_MMAP_INTERLEAVED;
1840 if ( ( err = snd_pcm_hw_params_set_access(pcm, hw_params, access ) ) < 0) {
1841 WARN("mmap not available. switching to standard write.\n");
1842 access = SND_PCM_ACCESS_RW_INTERLEAVED;
1843 EXIT_ON_ERROR( snd_pcm_hw_params_set_access(pcm, hw_params, access ), MMSYSERR_INVALPARAM, "unable to set access for playback");
1844 wwo->write = snd_pcm_writei;
1846 else
1847 wwo->write = snd_pcm_mmap_writei;
1849 if ((err = snd_pcm_hw_params_set_channels(pcm, hw_params, wwo->format.Format.nChannels)) < 0) {
1850 WARN("unable to set required channels: %d\n", wwo->format.Format.nChannels);
1851 if (dwFlags & WAVE_DIRECTSOUND) {
1852 if (wwo->format.Format.nChannels > 2)
1853 wwo->format.Format.nChannels = 2;
1854 else if (wwo->format.Format.nChannels == 2)
1855 wwo->format.Format.nChannels = 1;
1856 else if (wwo->format.Format.nChannels == 1)
1857 wwo->format.Format.nChannels = 2;
1858 /* recalculate block align and bytes per second */
1859 wwo->format.Format.nBlockAlign = (wwo->format.Format.wBitsPerSample * wwo->format.Format.nChannels) / 8;
1860 wwo->format.Format.nAvgBytesPerSec = wwo->format.Format.nSamplesPerSec * wwo->format.Format.nBlockAlign;
1861 WARN("changed number of channels from %d to %d\n", lpDesc->lpFormat->nChannels, wwo->format.Format.nChannels);
1863 EXIT_ON_ERROR( snd_pcm_hw_params_set_channels(pcm, hw_params, wwo->format.Format.nChannels ), MMSYSERR_INVALPARAM, "unable to set required channels" );
1866 if ((wwo->format.Format.wFormatTag == WAVE_FORMAT_PCM) ||
1867 ((wwo->format.Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE) &&
1868 IsEqualGUID(&wwo->format.SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))) {
1869 format = (wwo->format.Format.wBitsPerSample == 8) ? SND_PCM_FORMAT_U8 :
1870 (wwo->format.Format.wBitsPerSample == 16) ? SND_PCM_FORMAT_S16_LE :
1871 (wwo->format.Format.wBitsPerSample == 24) ? SND_PCM_FORMAT_S24_LE :
1872 (wwo->format.Format.wBitsPerSample == 32) ? SND_PCM_FORMAT_S32_LE : -1;
1873 } else if ((wwo->format.Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE) &&
1874 IsEqualGUID(&wwo->format.SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)){
1875 format = (wwo->format.Format.wBitsPerSample == 32) ? SND_PCM_FORMAT_FLOAT_LE : -1;
1876 } else if (wwo->format.Format.wFormatTag == WAVE_FORMAT_MULAW) {
1877 FIXME("unimplemented format: WAVE_FORMAT_MULAW\n");
1878 snd_pcm_close(pcm);
1879 return WAVERR_BADFORMAT;
1880 } else if (wwo->format.Format.wFormatTag == WAVE_FORMAT_ALAW) {
1881 FIXME("unimplemented format: WAVE_FORMAT_ALAW\n");
1882 snd_pcm_close(pcm);
1883 return WAVERR_BADFORMAT;
1884 } else if (wwo->format.Format.wFormatTag == WAVE_FORMAT_ADPCM) {
1885 FIXME("unimplemented format: WAVE_FORMAT_ADPCM\n");
1886 snd_pcm_close(pcm);
1887 return WAVERR_BADFORMAT;
1888 } else {
1889 ERR("invalid format: %0x04x\n", wwo->format.Format.wFormatTag);
1890 snd_pcm_close(pcm);
1891 return WAVERR_BADFORMAT;
1894 if ((err = snd_pcm_hw_params_set_format(pcm, hw_params, format)) < 0) {
1895 WARN("unable to set required format: %s\n", snd_pcm_format_name(format));
1896 if (dwFlags & WAVE_DIRECTSOUND) {
1897 if ((wwo->format.Format.wFormatTag == WAVE_FORMAT_PCM) ||
1898 ((wwo->format.Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE) &&
1899 IsEqualGUID(&wwo->format.SubFormat, & KSDATAFORMAT_SUBTYPE_PCM))) {
1900 if (wwo->format.Format.wBitsPerSample != 16) {
1901 wwo->format.Format.wBitsPerSample = 16;
1902 format = SND_PCM_FORMAT_S16_LE;
1903 } else {
1904 wwo->format.Format.wBitsPerSample = 8;
1905 format = SND_PCM_FORMAT_U8;
1907 /* recalculate block align and bytes per second */
1908 wwo->format.Format.nBlockAlign = (wwo->format.Format.wBitsPerSample * wwo->format.Format.nChannels) / 8;
1909 wwo->format.Format.nAvgBytesPerSec = wwo->format.Format.nSamplesPerSec * wwo->format.Format.nBlockAlign;
1910 WARN("changed bits per sample from %d to %d\n", lpDesc->lpFormat->wBitsPerSample, wwo->format.Format.wBitsPerSample);
1913 EXIT_ON_ERROR( snd_pcm_hw_params_set_format(pcm, hw_params, format), MMSYSERR_INVALPARAM, "unable to set required format" );
1916 rate = wwo->format.Format.nSamplesPerSec;
1917 dir=0;
1918 err = snd_pcm_hw_params_set_rate_near(pcm, hw_params, &rate, &dir);
1919 if (err < 0) {
1920 ERR("Rate %ld Hz not available for playback: %s\n", wwo->format.Format.nSamplesPerSec, snd_strerror(rate));
1921 snd_pcm_close(pcm);
1922 return WAVERR_BADFORMAT;
1924 if (rate != wwo->format.Format.nSamplesPerSec) {
1925 if (dwFlags & WAVE_DIRECTSOUND) {
1926 WARN("changed sample rate from %ld Hz to %d Hz\n", wwo->format.Format.nSamplesPerSec, rate);
1927 wwo->format.Format.nSamplesPerSec = rate;
1928 /* recalculate bytes per second */
1929 wwo->format.Format.nAvgBytesPerSec = wwo->format.Format.nSamplesPerSec * wwo->format.Format.nBlockAlign;
1930 } else {
1931 ERR("Rate doesn't match (requested %ld Hz, got %d Hz)\n", wwo->format.Format.nSamplesPerSec, rate);
1932 snd_pcm_close(pcm);
1933 return WAVERR_BADFORMAT;
1937 /* give the new format back to direct sound */
1938 if (dwFlags & WAVE_DIRECTSOUND) {
1939 lpDesc->lpFormat->wFormatTag = wwo->format.Format.wFormatTag;
1940 lpDesc->lpFormat->nChannels = wwo->format.Format.nChannels;
1941 lpDesc->lpFormat->nSamplesPerSec = wwo->format.Format.nSamplesPerSec;
1942 lpDesc->lpFormat->wBitsPerSample = wwo->format.Format.wBitsPerSample;
1943 lpDesc->lpFormat->nBlockAlign = wwo->format.Format.nBlockAlign;
1944 lpDesc->lpFormat->nAvgBytesPerSec = wwo->format.Format.nAvgBytesPerSec;
1947 TRACE("Got this format: %ldx%dx%d %s\n",
1948 wwo->format.Format.nSamplesPerSec,
1949 wwo->format.Format.wBitsPerSample,
1950 wwo->format.Format.nChannels,
1951 getFormat(wwo->format.Format.wFormatTag));
1953 dir=0;
1954 EXIT_ON_ERROR( snd_pcm_hw_params_set_buffer_time_near(pcm, hw_params, &buffer_time, &dir), MMSYSERR_INVALPARAM, "unable to set buffer time");
1955 dir=0;
1956 EXIT_ON_ERROR( snd_pcm_hw_params_set_period_time_near(pcm, hw_params, &period_time, &dir), MMSYSERR_INVALPARAM, "unable to set period time");
1958 EXIT_ON_ERROR( snd_pcm_hw_params(pcm, hw_params), MMSYSERR_INVALPARAM, "unable to set hw params for playback");
1960 err = snd_pcm_hw_params_get_period_size(hw_params, &period_size, &dir);
1961 err = snd_pcm_hw_params_get_buffer_size(hw_params, &buffer_size);
1963 snd_pcm_sw_params_current(pcm, sw_params);
1964 EXIT_ON_ERROR( snd_pcm_sw_params_set_start_threshold(pcm, sw_params, dwFlags & WAVE_DIRECTSOUND ? INT_MAX : 1 ), MMSYSERR_ERROR, "unable to set start threshold");
1965 EXIT_ON_ERROR( snd_pcm_sw_params_set_silence_size(pcm, sw_params, 0), MMSYSERR_ERROR, "unable to set silence size");
1966 EXIT_ON_ERROR( snd_pcm_sw_params_set_avail_min(pcm, sw_params, period_size), MMSYSERR_ERROR, "unable to set avail min");
1967 EXIT_ON_ERROR( snd_pcm_sw_params_set_xfer_align(pcm, sw_params, 1), MMSYSERR_ERROR, "unable to set xfer align");
1968 EXIT_ON_ERROR( snd_pcm_sw_params_set_silence_threshold(pcm, sw_params, 0), MMSYSERR_ERROR, "unable to set silence threshold");
1969 EXIT_ON_ERROR( snd_pcm_sw_params(pcm, sw_params), MMSYSERR_ERROR, "unable to set sw params for playback");
1970 #undef EXIT_ON_ERROR
1972 snd_pcm_prepare(pcm);
1974 if (TRACE_ON(wave))
1975 ALSA_TraceParameters(hw_params, sw_params, FALSE);
1977 /* now, we can save all required data for later use... */
1978 if ( wwo->hw_params )
1979 snd_pcm_hw_params_free(wwo->hw_params);
1980 snd_pcm_hw_params_malloc(&(wwo->hw_params));
1981 snd_pcm_hw_params_copy(wwo->hw_params, hw_params);
1983 wwo->dwBufferSize = snd_pcm_frames_to_bytes(pcm, buffer_size);
1984 wwo->lpQueuePtr = wwo->lpPlayPtr = wwo->lpLoopPtr = NULL;
1985 wwo->handle = pcm;
1986 wwo->dwPlayedTotal = wwo->dwWrittenTotal = 0;
1987 wwo->dwPartialOffset = 0;
1989 ALSA_InitRingMessage(&wwo->msgRing);
1991 wwo->count = snd_pcm_poll_descriptors_count (wwo->handle);
1992 if (wwo->count <= 0) {
1993 ERR("Invalid poll descriptors count\n");
1994 return MMSYSERR_ERROR;
1997 wwo->ufds = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY, sizeof(struct pollfd) * wwo->count);
1998 if (wwo->ufds == NULL) {
1999 ERR("No enough memory\n");
2000 return MMSYSERR_NOMEM;
2002 if ((err = snd_pcm_poll_descriptors(wwo->handle, wwo->ufds, wwo->count)) < 0) {
2003 ERR("Unable to obtain poll descriptors for playback: %s\n", snd_strerror(err));
2004 return MMSYSERR_ERROR;
2007 if (!(dwFlags & WAVE_DIRECTSOUND)) {
2008 wwo->hStartUpEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
2009 wwo->hThread = CreateThread(NULL, 0, wodPlayer, (LPVOID)(DWORD)wDevID, 0, &(wwo->dwThreadID));
2010 if (wwo->hThread)
2011 SetThreadPriority(wwo->hThread, THREAD_PRIORITY_TIME_CRITICAL);
2012 WaitForSingleObject(wwo->hStartUpEvent, INFINITE);
2013 CloseHandle(wwo->hStartUpEvent);
2014 } else {
2015 wwo->hThread = INVALID_HANDLE_VALUE;
2016 wwo->dwThreadID = 0;
2018 wwo->hStartUpEvent = INVALID_HANDLE_VALUE;
2020 TRACE("handle=%08lx \n", (DWORD)wwo->handle);
2021 /* if (wwo->dwFragmentSize % wwo->format.Format.nBlockAlign)
2022 ERR("Fragment doesn't contain an integral number of data blocks\n");
2024 TRACE("wBitsPerSample=%u, nAvgBytesPerSec=%lu, nSamplesPerSec=%lu, nChannels=%u nBlockAlign=%u!\n",
2025 wwo->format.Format.wBitsPerSample, wwo->format.Format.nAvgBytesPerSec,
2026 wwo->format.Format.nSamplesPerSec, wwo->format.Format.nChannels,
2027 wwo->format.Format.nBlockAlign);
2029 return wodNotifyClient(wwo, WOM_OPEN, 0L, 0L);
2033 /**************************************************************************
2034 * wodClose [internal]
2036 static DWORD wodClose(WORD wDevID)
2038 DWORD ret = MMSYSERR_NOERROR;
2039 WINE_WAVEOUT* wwo;
2041 TRACE("(%u);\n", wDevID);
2043 if (wDevID >= MAX_WAVEOUTDRV || WOutDev[wDevID].handle == NULL) {
2044 WARN("bad device ID !\n");
2045 return MMSYSERR_BADDEVICEID;
2048 wwo = &WOutDev[wDevID];
2049 if (wwo->lpQueuePtr) {
2050 WARN("buffers still playing !\n");
2051 ret = WAVERR_STILLPLAYING;
2052 } else {
2053 if (wwo->hThread != INVALID_HANDLE_VALUE) {
2054 ALSA_AddRingMessage(&wwo->msgRing, WINE_WM_CLOSING, 0, TRUE);
2056 ALSA_DestroyRingMessage(&wwo->msgRing);
2058 snd_pcm_hw_params_free(wwo->hw_params);
2059 wwo->hw_params = NULL;
2061 snd_pcm_close(wwo->handle);
2062 wwo->handle = NULL;
2064 ret = wodNotifyClient(wwo, WOM_CLOSE, 0L, 0L);
2067 HeapFree(GetProcessHeap(), 0, wwo->ufds);
2068 return ret;
2072 /**************************************************************************
2073 * wodWrite [internal]
2076 static DWORD wodWrite(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
2078 TRACE("(%u, %p, %08lX);\n", wDevID, lpWaveHdr, dwSize);
2080 /* first, do the sanity checks... */
2081 if (wDevID >= MAX_WAVEOUTDRV || WOutDev[wDevID].handle == NULL) {
2082 WARN("bad dev ID !\n");
2083 return MMSYSERR_BADDEVICEID;
2086 if (lpWaveHdr->lpData == NULL || !(lpWaveHdr->dwFlags & WHDR_PREPARED))
2087 return WAVERR_UNPREPARED;
2089 if (lpWaveHdr->dwFlags & WHDR_INQUEUE)
2090 return WAVERR_STILLPLAYING;
2092 lpWaveHdr->dwFlags &= ~WHDR_DONE;
2093 lpWaveHdr->dwFlags |= WHDR_INQUEUE;
2094 lpWaveHdr->lpNext = 0;
2096 ALSA_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_HEADER, (DWORD)lpWaveHdr, FALSE);
2098 return MMSYSERR_NOERROR;
2101 /**************************************************************************
2102 * wodPause [internal]
2104 static DWORD wodPause(WORD wDevID)
2106 TRACE("(%u);!\n", wDevID);
2108 if (wDevID >= MAX_WAVEOUTDRV || WOutDev[wDevID].handle == NULL) {
2109 WARN("bad device ID !\n");
2110 return MMSYSERR_BADDEVICEID;
2113 ALSA_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_PAUSING, 0, TRUE);
2115 return MMSYSERR_NOERROR;
2118 /**************************************************************************
2119 * wodRestart [internal]
2121 static DWORD wodRestart(WORD wDevID)
2123 TRACE("(%u);\n", wDevID);
2125 if (wDevID >= MAX_WAVEOUTDRV || WOutDev[wDevID].handle == NULL) {
2126 WARN("bad device ID !\n");
2127 return MMSYSERR_BADDEVICEID;
2130 if (WOutDev[wDevID].state == WINE_WS_PAUSED) {
2131 ALSA_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_RESTARTING, 0, TRUE);
2134 /* FIXME: is NotifyClient with WOM_DONE right ? (Comet Busters 1.3.3 needs this notification) */
2135 /* FIXME: Myst crashes with this ... hmm -MM
2136 return wodNotifyClient(wwo, WOM_DONE, 0L, 0L);
2139 return MMSYSERR_NOERROR;
2142 /**************************************************************************
2143 * wodReset [internal]
2145 static DWORD wodReset(WORD wDevID)
2147 TRACE("(%u);\n", wDevID);
2149 if (wDevID >= MAX_WAVEOUTDRV || WOutDev[wDevID].handle == NULL) {
2150 WARN("bad device ID !\n");
2151 return MMSYSERR_BADDEVICEID;
2154 ALSA_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_RESETTING, 0, TRUE);
2156 return MMSYSERR_NOERROR;
2159 /**************************************************************************
2160 * wodGetPosition [internal]
2162 static DWORD wodGetPosition(WORD wDevID, LPMMTIME lpTime, DWORD uSize)
2164 WINE_WAVEOUT* wwo;
2166 TRACE("(%u, %p, %lu);\n", wDevID, lpTime, uSize);
2168 if (wDevID >= MAX_WAVEOUTDRV || WOutDev[wDevID].handle == NULL) {
2169 WARN("bad device ID !\n");
2170 return MMSYSERR_BADDEVICEID;
2173 if (lpTime == NULL) return MMSYSERR_INVALPARAM;
2175 wwo = &WOutDev[wDevID];
2176 ALSA_AddRingMessage(&wwo->msgRing, WINE_WM_UPDATE, 0, TRUE);
2178 return bytes_to_mmtime(lpTime, wwo->dwPlayedTotal, &wwo->format);
2181 /**************************************************************************
2182 * wodBreakLoop [internal]
2184 static DWORD wodBreakLoop(WORD wDevID)
2186 TRACE("(%u);\n", wDevID);
2188 if (wDevID >= MAX_WAVEOUTDRV || WOutDev[wDevID].handle == NULL) {
2189 WARN("bad device ID !\n");
2190 return MMSYSERR_BADDEVICEID;
2192 ALSA_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_BREAKLOOP, 0, TRUE);
2193 return MMSYSERR_NOERROR;
2196 /**************************************************************************
2197 * wodGetVolume [internal]
2199 static DWORD wodGetVolume(WORD wDevID, LPDWORD lpdwVol)
2201 WORD wleft, wright;
2202 WINE_WAVEOUT* wwo;
2203 int min, max;
2204 int left, right;
2205 DWORD rc;
2207 TRACE("(%u, %p);\n", wDevID, lpdwVol);
2208 if (wDevID >= MAX_WAVEOUTDRV || WOutDev[wDevID].handle == NULL) {
2209 WARN("bad device ID !\n");
2210 return MMSYSERR_BADDEVICEID;
2213 if (lpdwVol == NULL)
2214 return MMSYSERR_NOTENABLED;
2216 wwo = &WOutDev[wDevID];
2218 if (lpdwVol == NULL)
2219 return MMSYSERR_NOTENABLED;
2221 rc = ALSA_CheckSetVolume(wwo->hctl, &left, &right, &min, &max, NULL, NULL, NULL);
2222 if (rc == MMSYSERR_NOERROR)
2224 #define VOLUME_ALSA_TO_WIN(x) ( ( (((x)-min) * 65535) + (max-min)/2 ) /(max-min))
2225 wleft = VOLUME_ALSA_TO_WIN(left);
2226 wright = VOLUME_ALSA_TO_WIN(right);
2227 #undef VOLUME_ALSA_TO_WIN
2228 TRACE("left=%d,right=%d,converted to windows left %d, right %d\n", left, right, wleft, wright);
2229 *lpdwVol = MAKELONG( wleft, wright );
2231 else
2232 TRACE("CheckSetVolume failed; rc %ld\n", rc);
2234 return rc;
2237 /**************************************************************************
2238 * wodSetVolume [internal]
2240 static DWORD wodSetVolume(WORD wDevID, DWORD dwParam)
2242 WORD wleft, wright;
2243 WINE_WAVEOUT* wwo;
2244 int min, max;
2245 int left, right;
2246 DWORD rc;
2248 TRACE("(%u, %08lX);\n", wDevID, dwParam);
2249 if (wDevID >= MAX_WAVEOUTDRV || WOutDev[wDevID].handle == NULL) {
2250 WARN("bad device ID !\n");
2251 return MMSYSERR_BADDEVICEID;
2253 wwo = &WOutDev[wDevID];
2255 rc = ALSA_CheckSetVolume(wwo->hctl, NULL, NULL, &min, &max, NULL, NULL, NULL);
2256 if (rc == MMSYSERR_NOERROR)
2258 wleft = LOWORD(dwParam);
2259 wright = HIWORD(dwParam);
2260 #define VOLUME_WIN_TO_ALSA(x) ( ( ( ((x) * (max-min)) + 32767) / 65535) + min )
2261 left = VOLUME_WIN_TO_ALSA(wleft);
2262 right = VOLUME_WIN_TO_ALSA(wright);
2263 #undef VOLUME_WIN_TO_ALSA
2264 rc = ALSA_CheckSetVolume(wwo->hctl, NULL, NULL, NULL, NULL, NULL, &left, &right);
2265 if (rc == MMSYSERR_NOERROR)
2266 TRACE("set volume: wleft=%d, wright=%d, converted to alsa left %d, right %d\n", wleft, wright, left, right);
2267 else
2268 TRACE("SetVolume failed; rc %ld\n", rc);
2271 return rc;
2274 /**************************************************************************
2275 * wodGetNumDevs [internal]
2277 static DWORD wodGetNumDevs(void)
2279 return ALSA_WodNumDevs;
2282 /**************************************************************************
2283 * wodDevInterfaceSize [internal]
2285 static DWORD wodDevInterfaceSize(UINT wDevID, LPDWORD dwParam1)
2287 TRACE("(%u, %p)\n", wDevID, dwParam1);
2289 *dwParam1 = MultiByteToWideChar(CP_ACP, 0, WOutDev[wDevID].interface_name, -1,
2290 NULL, 0 ) * sizeof(WCHAR);
2291 return MMSYSERR_NOERROR;
2294 /**************************************************************************
2295 * wodDevInterface [internal]
2297 static DWORD wodDevInterface(UINT wDevID, PWCHAR dwParam1, DWORD dwParam2)
2299 if (dwParam2 >= MultiByteToWideChar(CP_ACP, 0, WOutDev[wDevID].interface_name, -1,
2300 NULL, 0 ) * sizeof(WCHAR))
2302 MultiByteToWideChar(CP_ACP, 0, WOutDev[wDevID].interface_name, -1,
2303 dwParam1, dwParam2 / sizeof(WCHAR));
2304 return MMSYSERR_NOERROR;
2306 return MMSYSERR_INVALPARAM;
2309 /**************************************************************************
2310 * wodMessage (WINEALSA.@)
2312 DWORD WINAPI ALSA_wodMessage(UINT wDevID, UINT wMsg, DWORD dwUser,
2313 DWORD dwParam1, DWORD dwParam2)
2315 TRACE("(%u, %s, %08lX, %08lX, %08lX);\n",
2316 wDevID, getMessage(wMsg), dwUser, dwParam1, dwParam2);
2318 switch (wMsg) {
2319 case DRVM_INIT:
2320 case DRVM_EXIT:
2321 case DRVM_ENABLE:
2322 case DRVM_DISABLE:
2323 /* FIXME: Pretend this is supported */
2324 return 0;
2325 case WODM_OPEN: return wodOpen (wDevID, (LPWAVEOPENDESC)dwParam1, dwParam2);
2326 case WODM_CLOSE: return wodClose (wDevID);
2327 case WODM_GETDEVCAPS: return wodGetDevCaps (wDevID, (LPWAVEOUTCAPSW)dwParam1, dwParam2);
2328 case WODM_GETNUMDEVS: return wodGetNumDevs ();
2329 case WODM_GETPITCH: return MMSYSERR_NOTSUPPORTED;
2330 case WODM_SETPITCH: return MMSYSERR_NOTSUPPORTED;
2331 case WODM_GETPLAYBACKRATE: return MMSYSERR_NOTSUPPORTED;
2332 case WODM_SETPLAYBACKRATE: return MMSYSERR_NOTSUPPORTED;
2333 case WODM_WRITE: return wodWrite (wDevID, (LPWAVEHDR)dwParam1, dwParam2);
2334 case WODM_PAUSE: return wodPause (wDevID);
2335 case WODM_GETPOS: return wodGetPosition (wDevID, (LPMMTIME)dwParam1, dwParam2);
2336 case WODM_BREAKLOOP: return wodBreakLoop (wDevID);
2337 case WODM_PREPARE: return MMSYSERR_NOTSUPPORTED;
2338 case WODM_UNPREPARE: return MMSYSERR_NOTSUPPORTED;
2339 case WODM_GETVOLUME: return wodGetVolume (wDevID, (LPDWORD)dwParam1);
2340 case WODM_SETVOLUME: return wodSetVolume (wDevID, dwParam1);
2341 case WODM_RESTART: return wodRestart (wDevID);
2342 case WODM_RESET: return wodReset (wDevID);
2343 case DRV_QUERYDEVICEINTERFACESIZE: return wodDevInterfaceSize (wDevID, (LPDWORD)dwParam1);
2344 case DRV_QUERYDEVICEINTERFACE: return wodDevInterface (wDevID, (PWCHAR)dwParam1, dwParam2);
2345 case DRV_QUERYDSOUNDIFACE: return wodDsCreate (wDevID, (PIDSDRIVER*)dwParam1);
2346 case DRV_QUERYDSOUNDDESC: return wodDsDesc (wDevID, (PDSDRIVERDESC)dwParam1);
2348 default:
2349 FIXME("unknown message %d!\n", wMsg);
2351 return MMSYSERR_NOTSUPPORTED;
2354 /*======================================================================*
2355 * Low level DSOUND implementation *
2356 *======================================================================*/
2358 typedef struct IDsDriverImpl IDsDriverImpl;
2359 typedef struct IDsDriverBufferImpl IDsDriverBufferImpl;
2361 struct IDsDriverImpl
2363 /* IUnknown fields */
2364 IDsDriverVtbl *lpVtbl;
2365 DWORD ref;
2366 /* IDsDriverImpl fields */
2367 UINT wDevID;
2368 IDsDriverBufferImpl*primary;
2371 struct IDsDriverBufferImpl
2373 /* IUnknown fields */
2374 IDsDriverBufferVtbl *lpVtbl;
2375 DWORD ref;
2376 /* IDsDriverBufferImpl fields */
2377 IDsDriverImpl* drv;
2379 CRITICAL_SECTION mmap_crst;
2380 LPVOID mmap_buffer;
2381 DWORD mmap_buflen_bytes;
2382 snd_pcm_uframes_t mmap_buflen_frames;
2383 snd_pcm_channel_area_t * mmap_areas;
2384 snd_async_handler_t * mmap_async_handler;
2387 static void DSDB_CheckXRUN(IDsDriverBufferImpl* pdbi)
2389 WINE_WAVEOUT * wwo = &(WOutDev[pdbi->drv->wDevID]);
2390 snd_pcm_state_t state = snd_pcm_state(wwo->handle);
2392 if ( state == SND_PCM_STATE_XRUN )
2394 int err = snd_pcm_prepare(wwo->handle);
2395 TRACE("xrun occurred\n");
2396 if ( err < 0 )
2397 ERR("recovery from xrun failed, prepare failed: %s\n", snd_strerror(err));
2399 else if ( state == SND_PCM_STATE_SUSPENDED )
2401 int err = snd_pcm_resume(wwo->handle);
2402 TRACE("recovery from suspension occurred\n");
2403 if (err < 0 && err != -EAGAIN){
2404 err = snd_pcm_prepare(wwo->handle);
2405 if (err < 0)
2406 ERR("recovery from suspend failed, prepare failed: %s\n", snd_strerror(err));
2411 static void DSDB_MMAPCopy(IDsDriverBufferImpl* pdbi)
2413 WINE_WAVEOUT * wwo = &(WOutDev[pdbi->drv->wDevID]);
2414 unsigned int channels;
2415 snd_pcm_format_t format;
2416 snd_pcm_uframes_t period_size;
2417 snd_pcm_sframes_t avail;
2418 int err;
2419 int dir=0;
2421 if ( !pdbi->mmap_buffer || !wwo->hw_params || !wwo->handle)
2422 return;
2424 err = snd_pcm_hw_params_get_channels(wwo->hw_params, &channels);
2425 err = snd_pcm_hw_params_get_format(wwo->hw_params, &format);
2426 dir=0;
2427 err = snd_pcm_hw_params_get_period_size(wwo->hw_params, &period_size, &dir);
2428 avail = snd_pcm_avail_update(wwo->handle);
2430 DSDB_CheckXRUN(pdbi);
2432 TRACE("avail=%d format=%s channels=%d\n", (int)avail, snd_pcm_format_name(format), channels );
2434 while (avail >= period_size)
2436 const snd_pcm_channel_area_t *areas;
2437 snd_pcm_uframes_t ofs;
2438 snd_pcm_uframes_t frames;
2439 int err;
2441 frames = avail / period_size * period_size; /* round down to a multiple of period_size */
2443 EnterCriticalSection(&pdbi->mmap_crst);
2445 snd_pcm_mmap_begin(wwo->handle, &areas, &ofs, &frames);
2446 if (areas != pdbi->mmap_areas || areas->addr != pdbi->mmap_areas->addr)
2447 FIXME("Can't access sound driver's buffer directly.\n");
2448 err = snd_pcm_mmap_commit(wwo->handle, ofs, frames);
2450 LeaveCriticalSection(&pdbi->mmap_crst);
2452 if ( err != (snd_pcm_sframes_t) frames)
2453 ERR("mmap partially failed.\n");
2455 avail = snd_pcm_avail_update(wwo->handle);
2458 if (avail > 0)
2460 const snd_pcm_channel_area_t *areas;
2461 snd_pcm_uframes_t ofs;
2462 snd_pcm_uframes_t frames;
2463 int err;
2465 frames = avail;
2467 EnterCriticalSection(&pdbi->mmap_crst);
2469 snd_pcm_mmap_begin(wwo->handle, &areas, &ofs, &frames);
2470 if (areas != pdbi->mmap_areas || areas->addr != pdbi->mmap_areas->addr)
2471 FIXME("Can't access sound driver's buffer directly.\n");
2472 err = snd_pcm_mmap_commit(wwo->handle, ofs, frames);
2474 LeaveCriticalSection(&pdbi->mmap_crst);
2476 if ( err != (snd_pcm_sframes_t) frames)
2477 ERR("mmap partially failed.\n");
2479 avail = snd_pcm_avail_update(wwo->handle);
2483 static void DSDB_PCMCallback(snd_async_handler_t *ahandler)
2485 /* snd_pcm_t * handle = snd_async_handler_get_pcm(ahandler); */
2486 IDsDriverBufferImpl* pdbi = snd_async_handler_get_callback_private(ahandler);
2487 TRACE("callback called\n");
2488 DSDB_MMAPCopy(pdbi);
2491 static int DSDB_CreateMMAP(IDsDriverBufferImpl* pdbi)
2493 WINE_WAVEOUT * wwo = &(WOutDev[pdbi->drv->wDevID]);
2494 snd_pcm_format_t format;
2495 snd_pcm_uframes_t frames;
2496 snd_pcm_uframes_t ofs;
2497 snd_pcm_uframes_t avail;
2498 unsigned int channels;
2499 unsigned int bits_per_sample;
2500 unsigned int bits_per_frame;
2501 int err;
2503 err = snd_pcm_hw_params_get_format(wwo->hw_params, &format);
2504 err = snd_pcm_hw_params_get_buffer_size(wwo->hw_params, &frames);
2505 err = snd_pcm_hw_params_get_channels(wwo->hw_params, &channels);
2506 bits_per_sample = snd_pcm_format_physical_width(format);
2507 bits_per_frame = bits_per_sample * channels;
2510 if (TRACE_ON(wave))
2511 ALSA_TraceParameters(wwo->hw_params, NULL, FALSE);
2513 TRACE("format=%s frames=%ld channels=%d bits_per_sample=%d bits_per_frame=%d\n",
2514 snd_pcm_format_name(format), frames, channels, bits_per_sample, bits_per_frame);
2516 pdbi->mmap_buflen_frames = frames;
2517 pdbi->mmap_buflen_bytes = snd_pcm_frames_to_bytes( wwo->handle, frames );
2519 avail = snd_pcm_avail_update(wwo->handle);
2520 if (avail < 0)
2522 ERR("No buffer is available: %s.", snd_strerror(avail));
2523 return DSERR_GENERIC;
2525 err = snd_pcm_mmap_begin(wwo->handle, (const snd_pcm_channel_area_t **)&pdbi->mmap_areas, &ofs, &avail);
2526 if ( err < 0 )
2528 ERR("Can't map sound device for direct access: %s\n", snd_strerror(err));
2529 return DSERR_GENERIC;
2531 avail = 0;/* We don't have any data to commit yet */
2532 err = snd_pcm_mmap_commit(wwo->handle, ofs, avail);
2533 if (ofs > 0)
2534 err = snd_pcm_rewind(wwo->handle, ofs);
2535 pdbi->mmap_buffer = pdbi->mmap_areas->addr;
2537 snd_pcm_format_set_silence(format, pdbi->mmap_buffer, frames );
2539 TRACE("created mmap buffer of %ld frames (%ld bytes) at %p\n",
2540 frames, pdbi->mmap_buflen_bytes, pdbi->mmap_buffer);
2542 InitializeCriticalSection(&pdbi->mmap_crst);
2544 err = snd_async_add_pcm_handler(&pdbi->mmap_async_handler, wwo->handle, DSDB_PCMCallback, pdbi);
2545 if ( err < 0 )
2547 ERR("add_pcm_handler failed. reason: %s\n", snd_strerror(err));
2548 return DSERR_GENERIC;
2551 return DS_OK;
2554 static void DSDB_DestroyMMAP(IDsDriverBufferImpl* pdbi)
2556 TRACE("mmap buffer %p destroyed\n", pdbi->mmap_buffer);
2557 pdbi->mmap_areas = NULL;
2558 pdbi->mmap_buffer = NULL;
2559 DeleteCriticalSection(&pdbi->mmap_crst);
2563 static HRESULT WINAPI IDsDriverBufferImpl_QueryInterface(PIDSDRIVERBUFFER iface, REFIID riid, LPVOID *ppobj)
2565 /* IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface; */
2566 FIXME("(): stub!\n");
2567 return DSERR_UNSUPPORTED;
2570 static ULONG WINAPI IDsDriverBufferImpl_AddRef(PIDSDRIVERBUFFER iface)
2572 IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface;
2573 ULONG refCount = InterlockedIncrement(&This->ref);
2575 TRACE("(%p)->(ref before=%lu)\n",This, refCount - 1);
2577 return refCount;
2580 static ULONG WINAPI IDsDriverBufferImpl_Release(PIDSDRIVERBUFFER iface)
2582 IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface;
2583 ULONG refCount = InterlockedDecrement(&This->ref);
2585 TRACE("(%p)->(ref before=%lu)\n",This, refCount + 1);
2587 if (refCount)
2588 return refCount;
2589 if (This == This->drv->primary)
2590 This->drv->primary = NULL;
2591 DSDB_DestroyMMAP(This);
2592 HeapFree(GetProcessHeap(), 0, This);
2593 return 0;
2596 static HRESULT WINAPI IDsDriverBufferImpl_Lock(PIDSDRIVERBUFFER iface,
2597 LPVOID*ppvAudio1,LPDWORD pdwLen1,
2598 LPVOID*ppvAudio2,LPDWORD pdwLen2,
2599 DWORD dwWritePosition,DWORD dwWriteLen,
2600 DWORD dwFlags)
2602 /* IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface; */
2603 TRACE("(%p)\n",iface);
2604 return DSERR_UNSUPPORTED;
2607 static HRESULT WINAPI IDsDriverBufferImpl_Unlock(PIDSDRIVERBUFFER iface,
2608 LPVOID pvAudio1,DWORD dwLen1,
2609 LPVOID pvAudio2,DWORD dwLen2)
2611 /* IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface; */
2612 TRACE("(%p)\n",iface);
2613 return DSERR_UNSUPPORTED;
2616 static HRESULT WINAPI IDsDriverBufferImpl_SetFormat(PIDSDRIVERBUFFER iface,
2617 LPWAVEFORMATEX pwfx)
2619 /* IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface; */
2620 TRACE("(%p,%p)\n",iface,pwfx);
2621 return DSERR_BUFFERLOST;
2624 static HRESULT WINAPI IDsDriverBufferImpl_SetFrequency(PIDSDRIVERBUFFER iface, DWORD dwFreq)
2626 /* IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface; */
2627 TRACE("(%p,%ld): stub\n",iface,dwFreq);
2628 return DSERR_UNSUPPORTED;
2631 static HRESULT WINAPI IDsDriverBufferImpl_SetVolumePan(PIDSDRIVERBUFFER iface, PDSVOLUMEPAN pVolPan)
2633 DWORD vol;
2634 IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface;
2635 TRACE("(%p,%p)\n",iface,pVolPan);
2636 vol = pVolPan->dwTotalLeftAmpFactor | (pVolPan->dwTotalRightAmpFactor << 16);
2638 if (wodSetVolume(This->drv->wDevID, vol) != MMSYSERR_NOERROR) {
2639 WARN("wodSetVolume failed\n");
2640 return DSERR_INVALIDPARAM;
2643 return DS_OK;
2646 static HRESULT WINAPI IDsDriverBufferImpl_SetPosition(PIDSDRIVERBUFFER iface, DWORD dwNewPos)
2648 /* IDsDriverImpl *This = (IDsDriverImpl *)iface; */
2649 TRACE("(%p,%ld): stub\n",iface,dwNewPos);
2650 return DSERR_UNSUPPORTED;
2653 static HRESULT WINAPI IDsDriverBufferImpl_GetPosition(PIDSDRIVERBUFFER iface,
2654 LPDWORD lpdwPlay, LPDWORD lpdwWrite)
2656 IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface;
2657 WINE_WAVEOUT * wwo = &(WOutDev[This->drv->wDevID]);
2658 snd_pcm_uframes_t hw_ptr;
2659 snd_pcm_uframes_t period_size;
2660 int dir;
2661 int err;
2663 if (wwo->hw_params == NULL) return DSERR_GENERIC;
2665 dir=0;
2666 err = snd_pcm_hw_params_get_period_size(wwo->hw_params, &period_size, &dir);
2668 if (wwo->handle == NULL) return DSERR_GENERIC;
2669 /** we need to track down buffer underruns */
2670 DSDB_CheckXRUN(This);
2672 EnterCriticalSection(&This->mmap_crst);
2673 /* FIXME: snd_pcm_mmap_hw_ptr() should not be accessed by a user app. */
2674 /* It will NOT return what why want anyway. */
2675 hw_ptr = _snd_pcm_mmap_hw_ptr(wwo->handle);
2676 if (lpdwPlay)
2677 *lpdwPlay = snd_pcm_frames_to_bytes(wwo->handle, hw_ptr/ period_size * period_size) % This->mmap_buflen_bytes;
2678 if (lpdwWrite)
2679 *lpdwWrite = snd_pcm_frames_to_bytes(wwo->handle, (hw_ptr / period_size + 1) * period_size ) % This->mmap_buflen_bytes;
2680 LeaveCriticalSection(&This->mmap_crst);
2682 TRACE("hw_ptr=0x%08x, playpos=%ld, writepos=%ld\n", (unsigned int)hw_ptr, lpdwPlay?*lpdwPlay:-1, lpdwWrite?*lpdwWrite:-1);
2683 return DS_OK;
2686 static HRESULT WINAPI IDsDriverBufferImpl_Play(PIDSDRIVERBUFFER iface, DWORD dwRes1, DWORD dwRes2, DWORD dwFlags)
2688 IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface;
2689 WINE_WAVEOUT * wwo = &(WOutDev[This->drv->wDevID]);
2690 snd_pcm_state_t state;
2691 int err;
2693 TRACE("(%p,%lx,%lx,%lx)\n",iface,dwRes1,dwRes2,dwFlags);
2695 if (wwo->handle == NULL) return DSERR_GENERIC;
2697 state = snd_pcm_state(wwo->handle);
2698 if ( state == SND_PCM_STATE_SETUP )
2700 err = snd_pcm_prepare(wwo->handle);
2701 state = snd_pcm_state(wwo->handle);
2703 if ( state == SND_PCM_STATE_PREPARED )
2705 DSDB_MMAPCopy(This);
2706 err = snd_pcm_start(wwo->handle);
2708 return DS_OK;
2711 static HRESULT WINAPI IDsDriverBufferImpl_Stop(PIDSDRIVERBUFFER iface)
2713 IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface;
2714 WINE_WAVEOUT * wwo = &(WOutDev[This->drv->wDevID]);
2715 int err;
2716 DWORD play;
2717 DWORD write;
2719 TRACE("(%p)\n",iface);
2721 if (wwo->handle == NULL) return DSERR_GENERIC;
2723 /* ring buffer wrap up detection */
2724 IDsDriverBufferImpl_GetPosition(iface, &play, &write);
2725 if ( play > write)
2727 TRACE("writepos wrapper up\n");
2728 return DS_OK;
2731 if ( ( err = snd_pcm_drop(wwo->handle)) < 0 )
2733 ERR("error while stopping pcm: %s\n", snd_strerror(err));
2734 return DSERR_GENERIC;
2736 return DS_OK;
2739 static IDsDriverBufferVtbl dsdbvt =
2741 IDsDriverBufferImpl_QueryInterface,
2742 IDsDriverBufferImpl_AddRef,
2743 IDsDriverBufferImpl_Release,
2744 IDsDriverBufferImpl_Lock,
2745 IDsDriverBufferImpl_Unlock,
2746 IDsDriverBufferImpl_SetFormat,
2747 IDsDriverBufferImpl_SetFrequency,
2748 IDsDriverBufferImpl_SetVolumePan,
2749 IDsDriverBufferImpl_SetPosition,
2750 IDsDriverBufferImpl_GetPosition,
2751 IDsDriverBufferImpl_Play,
2752 IDsDriverBufferImpl_Stop
2755 static HRESULT WINAPI IDsDriverImpl_QueryInterface(PIDSDRIVER iface, REFIID riid, LPVOID *ppobj)
2757 /* IDsDriverImpl *This = (IDsDriverImpl *)iface; */
2758 FIXME("(%p): stub!\n",iface);
2759 return DSERR_UNSUPPORTED;
2762 static ULONG WINAPI IDsDriverImpl_AddRef(PIDSDRIVER iface)
2764 IDsDriverImpl *This = (IDsDriverImpl *)iface;
2765 ULONG refCount = InterlockedIncrement(&This->ref);
2767 TRACE("(%p)->(ref before=%lu)\n",This, refCount - 1);
2769 return refCount;
2772 static ULONG WINAPI IDsDriverImpl_Release(PIDSDRIVER iface)
2774 IDsDriverImpl *This = (IDsDriverImpl *)iface;
2775 ULONG refCount = InterlockedDecrement(&This->ref);
2777 TRACE("(%p)->(ref before=%lu)\n",This, refCount + 1);
2779 if (refCount)
2780 return refCount;
2781 HeapFree(GetProcessHeap(),0,This);
2782 return 0;
2785 static HRESULT WINAPI IDsDriverImpl_GetDriverDesc(PIDSDRIVER iface, PDSDRIVERDESC pDesc)
2787 IDsDriverImpl *This = (IDsDriverImpl *)iface;
2788 TRACE("(%p,%p)\n",iface,pDesc);
2789 memcpy(pDesc, &(WOutDev[This->wDevID].ds_desc), sizeof(DSDRIVERDESC));
2790 pDesc->dwFlags = DSDDESC_DOMMSYSTEMOPEN | DSDDESC_DOMMSYSTEMSETFORMAT |
2791 DSDDESC_USESYSTEMMEMORY | DSDDESC_DONTNEEDPRIMARYLOCK;
2792 pDesc->dnDevNode = WOutDev[This->wDevID].waveDesc.dnDevNode;
2793 pDesc->wVxdId = 0;
2794 pDesc->wReserved = 0;
2795 pDesc->ulDeviceNum = This->wDevID;
2796 pDesc->dwHeapType = DSDHEAP_NOHEAP;
2797 pDesc->pvDirectDrawHeap = NULL;
2798 pDesc->dwMemStartAddress = 0;
2799 pDesc->dwMemEndAddress = 0;
2800 pDesc->dwMemAllocExtra = 0;
2801 pDesc->pvReserved1 = NULL;
2802 pDesc->pvReserved2 = NULL;
2803 return DS_OK;
2806 static HRESULT WINAPI IDsDriverImpl_Open(PIDSDRIVER iface)
2808 /* IDsDriverImpl *This = (IDsDriverImpl *)iface; */
2809 TRACE("(%p)\n",iface);
2810 return DS_OK;
2813 static HRESULT WINAPI IDsDriverImpl_Close(PIDSDRIVER iface)
2815 /* IDsDriverImpl *This = (IDsDriverImpl *)iface; */
2816 TRACE("(%p)\n",iface);
2817 return DS_OK;
2820 static HRESULT WINAPI IDsDriverImpl_GetCaps(PIDSDRIVER iface, PDSDRIVERCAPS pCaps)
2822 IDsDriverImpl *This = (IDsDriverImpl *)iface;
2823 TRACE("(%p,%p)\n",iface,pCaps);
2824 memcpy(pCaps, &(WOutDev[This->wDevID].ds_caps), sizeof(DSDRIVERCAPS));
2825 return DS_OK;
2828 static HRESULT WINAPI IDsDriverImpl_CreateSoundBuffer(PIDSDRIVER iface,
2829 LPWAVEFORMATEX pwfx,
2830 DWORD dwFlags, DWORD dwCardAddress,
2831 LPDWORD pdwcbBufferSize,
2832 LPBYTE *ppbBuffer,
2833 LPVOID *ppvObj)
2835 IDsDriverImpl *This = (IDsDriverImpl *)iface;
2836 IDsDriverBufferImpl** ippdsdb = (IDsDriverBufferImpl**)ppvObj;
2837 int err;
2839 TRACE("(%p,%p,%lx,%lx)\n",iface,pwfx,dwFlags,dwCardAddress);
2840 /* we only support primary buffers */
2841 if (!(dwFlags & DSBCAPS_PRIMARYBUFFER))
2842 return DSERR_UNSUPPORTED;
2843 if (This->primary)
2844 return DSERR_ALLOCATED;
2845 if (dwFlags & (DSBCAPS_CTRLFREQUENCY | DSBCAPS_CTRLPAN))
2846 return DSERR_CONTROLUNAVAIL;
2848 *ippdsdb = HeapAlloc(GetProcessHeap(),0,sizeof(IDsDriverBufferImpl));
2849 if (*ippdsdb == NULL)
2850 return DSERR_OUTOFMEMORY;
2851 (*ippdsdb)->lpVtbl = &dsdbvt;
2852 (*ippdsdb)->ref = 1;
2853 (*ippdsdb)->drv = This;
2855 err = DSDB_CreateMMAP((*ippdsdb));
2856 if ( err != DS_OK )
2858 HeapFree(GetProcessHeap(), 0, *ippdsdb);
2859 *ippdsdb = NULL;
2860 return err;
2862 *ppbBuffer = (*ippdsdb)->mmap_buffer;
2863 *pdwcbBufferSize = (*ippdsdb)->mmap_buflen_bytes;
2865 This->primary = *ippdsdb;
2867 /* buffer is ready to go */
2868 TRACE("buffer created at %p\n", *ippdsdb);
2869 return DS_OK;
2872 static HRESULT WINAPI IDsDriverImpl_DuplicateSoundBuffer(PIDSDRIVER iface,
2873 PIDSDRIVERBUFFER pBuffer,
2874 LPVOID *ppvObj)
2876 /* IDsDriverImpl *This = (IDsDriverImpl *)iface; */
2877 TRACE("(%p,%p): stub\n",iface,pBuffer);
2878 return DSERR_INVALIDCALL;
2881 static IDsDriverVtbl dsdvt =
2883 IDsDriverImpl_QueryInterface,
2884 IDsDriverImpl_AddRef,
2885 IDsDriverImpl_Release,
2886 IDsDriverImpl_GetDriverDesc,
2887 IDsDriverImpl_Open,
2888 IDsDriverImpl_Close,
2889 IDsDriverImpl_GetCaps,
2890 IDsDriverImpl_CreateSoundBuffer,
2891 IDsDriverImpl_DuplicateSoundBuffer
2894 static DWORD wodDsCreate(UINT wDevID, PIDSDRIVER* drv)
2896 IDsDriverImpl** idrv = (IDsDriverImpl**)drv;
2898 TRACE("driver created\n");
2900 /* the HAL isn't much better than the HEL if we can't do mmap() */
2901 if (!(WOutDev[wDevID].caps.dwSupport & WAVECAPS_DIRECTSOUND)) {
2902 ERR("DirectSound flag not set\n");
2903 MESSAGE("This sound card's driver does not support direct access\n");
2904 MESSAGE("The (slower) DirectSound HEL mode will be used instead.\n");
2905 return MMSYSERR_NOTSUPPORTED;
2908 *idrv = HeapAlloc(GetProcessHeap(),0,sizeof(IDsDriverImpl));
2909 if (!*idrv)
2910 return MMSYSERR_NOMEM;
2911 (*idrv)->lpVtbl = &dsdvt;
2912 (*idrv)->ref = 1;
2914 (*idrv)->wDevID = wDevID;
2915 (*idrv)->primary = NULL;
2916 return MMSYSERR_NOERROR;
2919 static DWORD wodDsDesc(UINT wDevID, PDSDRIVERDESC desc)
2921 memcpy(desc, &(WOutDev[wDevID].ds_desc), sizeof(DSDRIVERDESC));
2922 return MMSYSERR_NOERROR;
2925 /*======================================================================*
2926 * Low level WAVE IN implementation *
2927 *======================================================================*/
2929 /**************************************************************************
2930 * widNotifyClient [internal]
2932 static DWORD widNotifyClient(WINE_WAVEIN* wwi, WORD wMsg, DWORD dwParam1, DWORD dwParam2)
2934 TRACE("wMsg = 0x%04x dwParm1 = %04lX dwParam2 = %04lX\n", wMsg, dwParam1, dwParam2);
2936 switch (wMsg) {
2937 case WIM_OPEN:
2938 case WIM_CLOSE:
2939 case WIM_DATA:
2940 if (wwi->wFlags != DCB_NULL &&
2941 !DriverCallback(wwi->waveDesc.dwCallback, wwi->wFlags, (HDRVR)wwi->waveDesc.hWave,
2942 wMsg, wwi->waveDesc.dwInstance, dwParam1, dwParam2)) {
2943 WARN("can't notify client !\n");
2944 return MMSYSERR_ERROR;
2946 break;
2947 default:
2948 FIXME("Unknown callback message %u\n", wMsg);
2949 return MMSYSERR_INVALPARAM;
2951 return MMSYSERR_NOERROR;
2954 /**************************************************************************
2955 * widGetDevCaps [internal]
2957 static DWORD widGetDevCaps(WORD wDevID, LPWAVEOUTCAPSW lpCaps, DWORD dwSize)
2959 TRACE("(%u, %p, %lu);\n", wDevID, lpCaps, dwSize);
2961 if (lpCaps == NULL) return MMSYSERR_NOTENABLED;
2963 if (wDevID >= MAX_WAVEINDRV) {
2964 TRACE("MAX_WAVOUTDRV reached !\n");
2965 return MMSYSERR_BADDEVICEID;
2968 memcpy(lpCaps, &WInDev[wDevID].caps, min(dwSize, sizeof(*lpCaps)));
2969 return MMSYSERR_NOERROR;
2972 /**************************************************************************
2973 * widRecorder_ReadHeaders [internal]
2975 static void widRecorder_ReadHeaders(WINE_WAVEIN * wwi)
2977 enum win_wm_message tmp_msg;
2978 DWORD tmp_param;
2979 HANDLE tmp_ev;
2980 WAVEHDR* lpWaveHdr;
2982 while (ALSA_RetrieveRingMessage(&wwi->msgRing, &tmp_msg, &tmp_param, &tmp_ev)) {
2983 if (tmp_msg == WINE_WM_HEADER) {
2984 LPWAVEHDR* wh;
2985 lpWaveHdr = (LPWAVEHDR)tmp_param;
2986 lpWaveHdr->lpNext = 0;
2988 if (wwi->lpQueuePtr == 0)
2989 wwi->lpQueuePtr = lpWaveHdr;
2990 else {
2991 for (wh = &(wwi->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
2992 *wh = lpWaveHdr;
2994 } else {
2995 ERR("should only have headers left\n");
3000 /**************************************************************************
3001 * widRecorder [internal]
3003 static DWORD CALLBACK widRecorder(LPVOID pmt)
3005 WORD uDevID = (DWORD)pmt;
3006 WINE_WAVEIN* wwi = (WINE_WAVEIN*)&WInDev[uDevID];
3007 WAVEHDR* lpWaveHdr;
3008 DWORD dwSleepTime;
3009 DWORD bytesRead;
3010 LPVOID buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, wwi->dwPeriodSize);
3011 char *pOffset = buffer;
3012 enum win_wm_message msg;
3013 DWORD param;
3014 HANDLE ev;
3015 DWORD frames_per_period;
3017 wwi->state = WINE_WS_STOPPED;
3018 wwi->dwTotalRecorded = 0;
3019 wwi->lpQueuePtr = NULL;
3021 SetEvent(wwi->hStartUpEvent);
3023 /* make sleep time to be # of ms to output a period */
3024 dwSleepTime = (1024/*wwi-dwPeriodSize => overrun!*/ * 1000) / wwi->format.Format.nAvgBytesPerSec;
3025 frames_per_period = snd_pcm_bytes_to_frames(wwi->handle, wwi->dwPeriodSize);
3026 TRACE("sleeptime=%ld ms\n", dwSleepTime);
3028 for (;;) {
3029 /* wait for dwSleepTime or an event in thread's queue */
3030 /* FIXME: could improve wait time depending on queue state,
3031 * ie, number of queued fragments
3033 if (wwi->lpQueuePtr != NULL && wwi->state == WINE_WS_PLAYING)
3035 int periods;
3036 DWORD frames;
3037 DWORD bytes;
3038 DWORD read;
3040 lpWaveHdr = wwi->lpQueuePtr;
3041 /* read all the fragments accumulated so far */
3042 frames = snd_pcm_avail_update(wwi->handle);
3043 bytes = snd_pcm_frames_to_bytes(wwi->handle, frames);
3044 TRACE("frames = %ld bytes = %ld\n", frames, bytes);
3045 periods = bytes / wwi->dwPeriodSize;
3046 while ((periods > 0) && (wwi->lpQueuePtr))
3048 periods--;
3049 bytes = wwi->dwPeriodSize;
3050 TRACE("bytes = %ld\n",bytes);
3051 if (lpWaveHdr->dwBufferLength - lpWaveHdr->dwBytesRecorded >= wwi->dwPeriodSize)
3053 /* directly read fragment in wavehdr */
3054 read = wwi->read(wwi->handle, lpWaveHdr->lpData + lpWaveHdr->dwBytesRecorded, frames_per_period);
3055 bytesRead = snd_pcm_frames_to_bytes(wwi->handle, read);
3057 TRACE("bytesRead=%ld (direct)\n", bytesRead);
3058 if (bytesRead != (DWORD) -1)
3060 /* update number of bytes recorded in current buffer and by this device */
3061 lpWaveHdr->dwBytesRecorded += bytesRead;
3062 wwi->dwTotalRecorded += bytesRead;
3064 /* buffer is full. notify client */
3065 if (lpWaveHdr->dwBytesRecorded == lpWaveHdr->dwBufferLength)
3067 /* must copy the value of next waveHdr, because we have no idea of what
3068 * will be done with the content of lpWaveHdr in callback
3070 LPWAVEHDR lpNext = lpWaveHdr->lpNext;
3072 lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
3073 lpWaveHdr->dwFlags |= WHDR_DONE;
3075 wwi->lpQueuePtr = lpNext;
3076 widNotifyClient(wwi, WIM_DATA, (DWORD)lpWaveHdr, 0);
3077 lpWaveHdr = lpNext;
3079 } else {
3080 TRACE("read(%s, %p, %ld) failed (%s)\n", wwi->device,
3081 lpWaveHdr->lpData + lpWaveHdr->dwBytesRecorded,
3082 frames_per_period, strerror(errno));
3085 else
3087 /* read the fragment in a local buffer */
3088 read = wwi->read(wwi->handle, buffer, frames_per_period);
3089 bytesRead = snd_pcm_frames_to_bytes(wwi->handle, read);
3090 pOffset = buffer;
3092 TRACE("bytesRead=%ld (local)\n", bytesRead);
3094 if (bytesRead == (DWORD) -1) {
3095 TRACE("read(%s, %p, %ld) failed (%s)\n", wwi->device,
3096 buffer, frames_per_period, strerror(errno));
3097 continue;
3100 /* copy data in client buffers */
3101 while (bytesRead != (DWORD) -1 && bytesRead > 0)
3103 DWORD dwToCopy = min (bytesRead, lpWaveHdr->dwBufferLength - lpWaveHdr->dwBytesRecorded);
3105 memcpy(lpWaveHdr->lpData + lpWaveHdr->dwBytesRecorded,
3106 pOffset,
3107 dwToCopy);
3109 /* update number of bytes recorded in current buffer and by this device */
3110 lpWaveHdr->dwBytesRecorded += dwToCopy;
3111 wwi->dwTotalRecorded += dwToCopy;
3112 bytesRead -= dwToCopy;
3113 pOffset += dwToCopy;
3115 /* client buffer is full. notify client */
3116 if (lpWaveHdr->dwBytesRecorded == lpWaveHdr->dwBufferLength)
3118 /* must copy the value of next waveHdr, because we have no idea of what
3119 * will be done with the content of lpWaveHdr in callback
3121 LPWAVEHDR lpNext = lpWaveHdr->lpNext;
3122 TRACE("lpNext=%p\n", lpNext);
3124 lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
3125 lpWaveHdr->dwFlags |= WHDR_DONE;
3127 wwi->lpQueuePtr = lpNext;
3128 widNotifyClient(wwi, WIM_DATA, (DWORD)lpWaveHdr, 0);
3130 lpWaveHdr = lpNext;
3131 if (!lpNext && bytesRead) {
3132 /* before we give up, check for more header messages */
3133 while (ALSA_PeekRingMessage(&wwi->msgRing, &msg, &param, &ev))
3135 if (msg == WINE_WM_HEADER) {
3136 LPWAVEHDR hdr;
3137 ALSA_RetrieveRingMessage(&wwi->msgRing, &msg, &param, &ev);
3138 hdr = ((LPWAVEHDR)param);
3139 TRACE("msg = %s, hdr = %p, ev = %p\n", getCmdString(msg), hdr, ev);
3140 hdr->lpNext = 0;
3141 if (lpWaveHdr == 0) {
3142 /* new head of queue */
3143 wwi->lpQueuePtr = lpWaveHdr = hdr;
3144 } else {
3145 /* insert buffer at the end of queue */
3146 LPWAVEHDR* wh;
3147 for (wh = &(wwi->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
3148 *wh = hdr;
3150 } else
3151 break;
3154 if (lpWaveHdr == 0) {
3155 /* no more buffer to copy data to, but we did read more.
3156 * what hasn't been copied will be dropped
3158 WARN("buffer under run! %lu bytes dropped.\n", bytesRead);
3159 wwi->lpQueuePtr = NULL;
3160 break;
3169 WAIT_OMR(&wwi->msgRing, dwSleepTime);
3171 while (ALSA_RetrieveRingMessage(&wwi->msgRing, &msg, &param, &ev))
3173 TRACE("msg=%s param=0x%lx\n", getCmdString(msg), param);
3174 switch (msg) {
3175 case WINE_WM_PAUSING:
3176 wwi->state = WINE_WS_PAUSED;
3177 /*FIXME("Device should stop recording\n");*/
3178 SetEvent(ev);
3179 break;
3180 case WINE_WM_STARTING:
3181 wwi->state = WINE_WS_PLAYING;
3182 snd_pcm_start(wwi->handle);
3183 SetEvent(ev);
3184 break;
3185 case WINE_WM_HEADER:
3186 lpWaveHdr = (LPWAVEHDR)param;
3187 lpWaveHdr->lpNext = 0;
3189 /* insert buffer at the end of queue */
3191 LPWAVEHDR* wh;
3192 for (wh = &(wwi->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
3193 *wh = lpWaveHdr;
3195 break;
3196 case WINE_WM_STOPPING:
3197 if (wwi->state != WINE_WS_STOPPED)
3199 snd_pcm_drain(wwi->handle);
3201 /* read any headers in queue */
3202 widRecorder_ReadHeaders(wwi);
3204 /* return current buffer to app */
3205 lpWaveHdr = wwi->lpQueuePtr;
3206 if (lpWaveHdr)
3208 LPWAVEHDR lpNext = lpWaveHdr->lpNext;
3209 TRACE("stop %p %p\n", lpWaveHdr, lpWaveHdr->lpNext);
3210 lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
3211 lpWaveHdr->dwFlags |= WHDR_DONE;
3212 wwi->lpQueuePtr = lpNext;
3213 widNotifyClient(wwi, WIM_DATA, (DWORD)lpWaveHdr, 0);
3216 wwi->state = WINE_WS_STOPPED;
3217 SetEvent(ev);
3218 break;
3219 case WINE_WM_RESETTING:
3220 if (wwi->state != WINE_WS_STOPPED)
3222 snd_pcm_drain(wwi->handle);
3224 wwi->state = WINE_WS_STOPPED;
3225 wwi->dwTotalRecorded = 0;
3227 /* read any headers in queue */
3228 widRecorder_ReadHeaders(wwi);
3230 /* return all buffers to the app */
3231 for (lpWaveHdr = wwi->lpQueuePtr; lpWaveHdr; lpWaveHdr = lpWaveHdr->lpNext) {
3232 TRACE("reset %p %p\n", lpWaveHdr, lpWaveHdr->lpNext);
3233 lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
3234 lpWaveHdr->dwFlags |= WHDR_DONE;
3235 wwi->lpQueuePtr = lpWaveHdr->lpNext;
3236 widNotifyClient(wwi, WIM_DATA, (DWORD)lpWaveHdr, 0);
3239 wwi->lpQueuePtr = NULL;
3240 SetEvent(ev);
3241 break;
3242 case WINE_WM_CLOSING:
3243 wwi->hThread = 0;
3244 wwi->state = WINE_WS_CLOSED;
3245 SetEvent(ev);
3246 HeapFree(GetProcessHeap(), 0, buffer);
3247 ExitThread(0);
3248 /* shouldn't go here */
3249 case WINE_WM_UPDATE:
3250 SetEvent(ev);
3251 break;
3253 default:
3254 FIXME("unknown message %d\n", msg);
3255 break;
3259 ExitThread(0);
3260 /* just for not generating compilation warnings... should never be executed */
3261 return 0;
3264 /**************************************************************************
3265 * widOpen [internal]
3267 static DWORD widOpen(WORD wDevID, LPWAVEOPENDESC lpDesc, DWORD dwFlags)
3269 WINE_WAVEIN* wwi;
3270 snd_pcm_hw_params_t * hw_params;
3271 snd_pcm_sw_params_t * sw_params;
3272 snd_pcm_access_t access;
3273 snd_pcm_format_t format;
3274 unsigned int rate;
3275 unsigned int buffer_time = 500000;
3276 unsigned int period_time = 10000;
3277 snd_pcm_uframes_t buffer_size;
3278 snd_pcm_uframes_t period_size;
3279 int flags;
3280 snd_pcm_t * pcm;
3281 int err;
3282 int dir;
3284 snd_pcm_hw_params_alloca(&hw_params);
3285 snd_pcm_sw_params_alloca(&sw_params);
3287 TRACE("(%u, %p, %08lX);\n", wDevID, lpDesc, dwFlags);
3288 if (lpDesc == NULL) {
3289 WARN("Invalid Parameter !\n");
3290 return MMSYSERR_INVALPARAM;
3292 if (wDevID >= MAX_WAVEOUTDRV) {
3293 TRACE("MAX_WAVOUTDRV reached !\n");
3294 return MMSYSERR_BADDEVICEID;
3297 /* only PCM format is supported so far... */
3298 if (!supportedFormat(lpDesc->lpFormat)) {
3299 WARN("Bad format: tag=%04X nChannels=%d nSamplesPerSec=%ld !\n",
3300 lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
3301 lpDesc->lpFormat->nSamplesPerSec);
3302 return WAVERR_BADFORMAT;
3305 if (dwFlags & WAVE_FORMAT_QUERY) {
3306 TRACE("Query format: tag=%04X nChannels=%d nSamplesPerSec=%ld !\n",
3307 lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
3308 lpDesc->lpFormat->nSamplesPerSec);
3309 return MMSYSERR_NOERROR;
3312 wwi = &WInDev[wDevID];
3314 if ((dwFlags & WAVE_DIRECTSOUND) && !(wwi->dwSupport & WAVECAPS_DIRECTSOUND))
3315 /* not supported, ignore it */
3316 dwFlags &= ~WAVE_DIRECTSOUND;
3318 wwi->handle = 0;
3319 flags = SND_PCM_NONBLOCK;
3320 #if 0
3321 if ( dwFlags & WAVE_DIRECTSOUND )
3322 flags |= SND_PCM_ASYNC;
3323 #endif
3325 if ( (err=snd_pcm_open(&pcm, wwi->device, SND_PCM_STREAM_CAPTURE, flags)) < 0 )
3327 ERR("Error open: %s\n", snd_strerror(err));
3328 return MMSYSERR_NOTENABLED;
3331 wwi->wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
3333 memcpy(&wwi->waveDesc, lpDesc, sizeof(WAVEOPENDESC));
3334 copy_format(lpDesc->lpFormat, &wwi->format);
3336 if (wwi->format.Format.wBitsPerSample == 0) {
3337 WARN("Resetting zeroed wBitsPerSample\n");
3338 wwi->format.Format.wBitsPerSample = 8 *
3339 (wwi->format.Format.nAvgBytesPerSec /
3340 wwi->format.Format.nSamplesPerSec) /
3341 wwi->format.Format.nChannels;
3344 snd_pcm_hw_params_any(pcm, hw_params);
3346 #define EXIT_ON_ERROR(f,e,txt) do \
3348 int err; \
3349 if ( (err = (f) ) < 0) \
3351 ERR(txt ": %s\n", snd_strerror(err)); \
3352 snd_pcm_close(pcm); \
3353 return e; \
3355 } while(0)
3357 access = SND_PCM_ACCESS_MMAP_INTERLEAVED;
3358 if ( ( err = snd_pcm_hw_params_set_access(pcm, hw_params, access ) ) < 0) {
3359 WARN("mmap not available. switching to standard write.\n");
3360 access = SND_PCM_ACCESS_RW_INTERLEAVED;
3361 EXIT_ON_ERROR( snd_pcm_hw_params_set_access(pcm, hw_params, access ), MMSYSERR_INVALPARAM, "unable to set access for playback");
3362 wwi->read = snd_pcm_readi;
3364 else
3365 wwi->read = snd_pcm_mmap_readi;
3367 EXIT_ON_ERROR( snd_pcm_hw_params_set_channels(pcm, hw_params, wwi->format.Format.nChannels), MMSYSERR_INVALPARAM, "unable to set required channels");
3369 if ((wwi->format.Format.wFormatTag == WAVE_FORMAT_PCM) ||
3370 ((wwi->format.Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE) &&
3371 IsEqualGUID(&wwi->format.SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))) {
3372 format = (wwi->format.Format.wBitsPerSample == 8) ? SND_PCM_FORMAT_U8 :
3373 (wwi->format.Format.wBitsPerSample == 16) ? SND_PCM_FORMAT_S16_LE :
3374 (wwi->format.Format.wBitsPerSample == 24) ? SND_PCM_FORMAT_S24_LE :
3375 (wwi->format.Format.wBitsPerSample == 32) ? SND_PCM_FORMAT_S32_LE : -1;
3376 } else if ((wwi->format.Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE) &&
3377 IsEqualGUID(&wwi->format.SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)){
3378 format = (wwi->format.Format.wBitsPerSample == 32) ? SND_PCM_FORMAT_FLOAT_LE : -1;
3379 } else if (wwi->format.Format.wFormatTag == WAVE_FORMAT_MULAW) {
3380 FIXME("unimplemented format: WAVE_FORMAT_MULAW\n");
3381 snd_pcm_close(pcm);
3382 return WAVERR_BADFORMAT;
3383 } else if (wwi->format.Format.wFormatTag == WAVE_FORMAT_ALAW) {
3384 FIXME("unimplemented format: WAVE_FORMAT_ALAW\n");
3385 snd_pcm_close(pcm);
3386 return WAVERR_BADFORMAT;
3387 } else if (wwi->format.Format.wFormatTag == WAVE_FORMAT_ADPCM) {
3388 FIXME("unimplemented format: WAVE_FORMAT_ADPCM\n");
3389 snd_pcm_close(pcm);
3390 return WAVERR_BADFORMAT;
3391 } else {
3392 ERR("invalid format: %0x04x\n", wwi->format.Format.wFormatTag);
3393 snd_pcm_close(pcm);
3394 return WAVERR_BADFORMAT;
3397 EXIT_ON_ERROR( snd_pcm_hw_params_set_format(pcm, hw_params, format), MMSYSERR_INVALPARAM, "unable to set required format");
3399 rate = wwi->format.Format.nSamplesPerSec;
3400 dir = 0;
3401 err = snd_pcm_hw_params_set_rate_near(pcm, hw_params, &rate, &dir);
3402 if (err < 0) {
3403 ERR("Rate %ld Hz not available for playback: %s\n", wwi->format.Format.nSamplesPerSec, snd_strerror(rate));
3404 snd_pcm_close(pcm);
3405 return WAVERR_BADFORMAT;
3407 if (rate != wwi->format.Format.nSamplesPerSec) {
3408 ERR("Rate doesn't match (requested %ld Hz, got %d Hz)\n", wwi->format.Format.nSamplesPerSec, rate);
3409 snd_pcm_close(pcm);
3410 return WAVERR_BADFORMAT;
3413 dir=0;
3414 EXIT_ON_ERROR( snd_pcm_hw_params_set_buffer_time_near(pcm, hw_params, &buffer_time, &dir), MMSYSERR_INVALPARAM, "unable to set buffer time");
3415 dir=0;
3416 EXIT_ON_ERROR( snd_pcm_hw_params_set_period_time_near(pcm, hw_params, &period_time, &dir), MMSYSERR_INVALPARAM, "unable to set period time");
3418 EXIT_ON_ERROR( snd_pcm_hw_params(pcm, hw_params), MMSYSERR_INVALPARAM, "unable to set hw params for playback");
3420 dir=0;
3421 err = snd_pcm_hw_params_get_period_size(hw_params, &period_size, &dir);
3422 err = snd_pcm_hw_params_get_buffer_size(hw_params, &buffer_size);
3424 snd_pcm_sw_params_current(pcm, sw_params);
3425 EXIT_ON_ERROR( snd_pcm_sw_params_set_start_threshold(pcm, sw_params, dwFlags & WAVE_DIRECTSOUND ? INT_MAX : 1 ), MMSYSERR_ERROR, "unable to set start threshold");
3426 EXIT_ON_ERROR( snd_pcm_sw_params_set_silence_size(pcm, sw_params, 0), MMSYSERR_ERROR, "unable to set silence size");
3427 EXIT_ON_ERROR( snd_pcm_sw_params_set_avail_min(pcm, sw_params, period_size), MMSYSERR_ERROR, "unable to set avail min");
3428 EXIT_ON_ERROR( snd_pcm_sw_params_set_xfer_align(pcm, sw_params, 1), MMSYSERR_ERROR, "unable to set xfer align");
3429 EXIT_ON_ERROR( snd_pcm_sw_params_set_silence_threshold(pcm, sw_params, 0), MMSYSERR_ERROR, "unable to set silence threshold");
3430 EXIT_ON_ERROR( snd_pcm_sw_params(pcm, sw_params), MMSYSERR_ERROR, "unable to set sw params for playback");
3431 #undef EXIT_ON_ERROR
3433 snd_pcm_prepare(pcm);
3435 if (TRACE_ON(wave))
3436 ALSA_TraceParameters(hw_params, sw_params, FALSE);
3438 /* now, we can save all required data for later use... */
3439 if ( wwi->hw_params )
3440 snd_pcm_hw_params_free(wwi->hw_params);
3441 snd_pcm_hw_params_malloc(&(wwi->hw_params));
3442 snd_pcm_hw_params_copy(wwi->hw_params, hw_params);
3444 wwi->dwBufferSize = snd_pcm_frames_to_bytes(pcm, buffer_size);
3445 wwi->lpQueuePtr = wwi->lpPlayPtr = wwi->lpLoopPtr = NULL;
3446 wwi->handle = pcm;
3448 ALSA_InitRingMessage(&wwi->msgRing);
3450 wwi->count = snd_pcm_poll_descriptors_count (wwi->handle);
3451 if (wwi->count <= 0) {
3452 ERR("Invalid poll descriptors count\n");
3453 return MMSYSERR_ERROR;
3456 wwi->ufds = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY, sizeof(struct pollfd) * wwi->count);
3457 if (wwi->ufds == NULL) {
3458 ERR("No enough memory\n");
3459 return MMSYSERR_NOMEM;
3461 if ((err = snd_pcm_poll_descriptors(wwi->handle, wwi->ufds, wwi->count)) < 0) {
3462 ERR("Unable to obtain poll descriptors for playback: %s\n", snd_strerror(err));
3463 return MMSYSERR_ERROR;
3466 wwi->dwPeriodSize = period_size;
3467 /*if (wwi->dwFragmentSize % wwi->format.Format.nBlockAlign)
3468 ERR("Fragment doesn't contain an integral number of data blocks\n");
3470 TRACE("dwPeriodSize=%lu\n", wwi->dwPeriodSize);
3471 TRACE("wBitsPerSample=%u, nAvgBytesPerSec=%lu, nSamplesPerSec=%lu, nChannels=%u nBlockAlign=%u!\n",
3472 wwi->format.Format.wBitsPerSample, wwi->format.Format.nAvgBytesPerSec,
3473 wwi->format.Format.nSamplesPerSec, wwi->format.Format.nChannels,
3474 wwi->format.Format.nBlockAlign);
3476 if (!(dwFlags & WAVE_DIRECTSOUND)) {
3477 wwi->hStartUpEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
3478 wwi->hThread = CreateThread(NULL, 0, widRecorder, (LPVOID)(DWORD)wDevID, 0, &(wwi->dwThreadID));
3479 if (wwi->hThread)
3480 SetThreadPriority(wwi->hThread, THREAD_PRIORITY_TIME_CRITICAL);
3481 WaitForSingleObject(wwi->hStartUpEvent, INFINITE);
3482 CloseHandle(wwi->hStartUpEvent);
3483 } else {
3484 wwi->hThread = INVALID_HANDLE_VALUE;
3485 wwi->dwThreadID = 0;
3487 wwi->hStartUpEvent = INVALID_HANDLE_VALUE;
3489 return widNotifyClient(wwi, WIM_OPEN, 0L, 0L);
3493 /**************************************************************************
3494 * widClose [internal]
3496 static DWORD widClose(WORD wDevID)
3498 DWORD ret = MMSYSERR_NOERROR;
3499 WINE_WAVEIN* wwi;
3501 TRACE("(%u);\n", wDevID);
3503 if (wDevID >= MAX_WAVEINDRV || WInDev[wDevID].handle == NULL) {
3504 WARN("bad device ID !\n");
3505 return MMSYSERR_BADDEVICEID;
3508 wwi = &WInDev[wDevID];
3509 if (wwi->lpQueuePtr) {
3510 WARN("buffers still playing !\n");
3511 ret = WAVERR_STILLPLAYING;
3512 } else {
3513 if (wwi->hThread != INVALID_HANDLE_VALUE) {
3514 ALSA_AddRingMessage(&wwi->msgRing, WINE_WM_CLOSING, 0, TRUE);
3516 ALSA_DestroyRingMessage(&wwi->msgRing);
3518 snd_pcm_hw_params_free(wwi->hw_params);
3519 wwi->hw_params = NULL;
3521 snd_pcm_close(wwi->handle);
3522 wwi->handle = NULL;
3524 ret = widNotifyClient(wwi, WIM_CLOSE, 0L, 0L);
3527 HeapFree(GetProcessHeap(), 0, wwi->ufds);
3528 return ret;
3531 /**************************************************************************
3532 * widAddBuffer [internal]
3535 static DWORD widAddBuffer(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
3537 TRACE("(%u, %p, %08lX);\n", wDevID, lpWaveHdr, dwSize);
3539 /* first, do the sanity checks... */
3540 if (wDevID >= MAX_WAVEINDRV || WInDev[wDevID].handle == NULL) {
3541 WARN("bad dev ID !\n");
3542 return MMSYSERR_BADDEVICEID;
3545 if (lpWaveHdr->lpData == NULL || !(lpWaveHdr->dwFlags & WHDR_PREPARED))
3546 return WAVERR_UNPREPARED;
3548 if (lpWaveHdr->dwFlags & WHDR_INQUEUE)
3549 return WAVERR_STILLPLAYING;
3551 lpWaveHdr->dwFlags &= ~WHDR_DONE;
3552 lpWaveHdr->dwFlags |= WHDR_INQUEUE;
3553 lpWaveHdr->lpNext = 0;
3555 ALSA_AddRingMessage(&WInDev[wDevID].msgRing, WINE_WM_HEADER, (DWORD)lpWaveHdr, FALSE);
3557 return MMSYSERR_NOERROR;
3560 /**************************************************************************
3561 * widStart [internal]
3564 static DWORD widStart(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
3566 TRACE("(%u, %p, %08lX);\n", wDevID, lpWaveHdr, dwSize);
3568 /* first, do the sanity checks... */
3569 if (wDevID >= MAX_WAVEINDRV || WInDev[wDevID].handle == NULL) {
3570 WARN("bad dev ID !\n");
3571 return MMSYSERR_BADDEVICEID;
3574 ALSA_AddRingMessage(&WInDev[wDevID].msgRing, WINE_WM_STARTING, 0, TRUE);
3576 Sleep(500);
3578 return MMSYSERR_NOERROR;
3581 /**************************************************************************
3582 * widStop [internal]
3585 static DWORD widStop(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
3587 TRACE("(%u, %p, %08lX);\n", wDevID, lpWaveHdr, dwSize);
3589 /* first, do the sanity checks... */
3590 if (wDevID >= MAX_WAVEINDRV || WInDev[wDevID].handle == NULL) {
3591 WARN("bad dev ID !\n");
3592 return MMSYSERR_BADDEVICEID;
3595 ALSA_AddRingMessage(&WInDev[wDevID].msgRing, WINE_WM_STOPPING, 0, TRUE);
3597 return MMSYSERR_NOERROR;
3600 /**************************************************************************
3601 * widReset [internal]
3603 static DWORD widReset(WORD wDevID)
3605 TRACE("(%u);\n", wDevID);
3606 if (wDevID >= MAX_WAVEINDRV || WInDev[wDevID].state == WINE_WS_CLOSED) {
3607 WARN("can't reset !\n");
3608 return MMSYSERR_INVALHANDLE;
3610 ALSA_AddRingMessage(&WInDev[wDevID].msgRing, WINE_WM_RESETTING, 0, TRUE);
3611 return MMSYSERR_NOERROR;
3614 /**************************************************************************
3615 * widGetPosition [internal]
3617 static DWORD widGetPosition(WORD wDevID, LPMMTIME lpTime, DWORD uSize)
3619 WINE_WAVEIN* wwi;
3621 TRACE("(%u, %p, %lu);\n", wDevID, lpTime, uSize);
3623 if (wDevID >= MAX_WAVEINDRV || WInDev[wDevID].state == WINE_WS_CLOSED) {
3624 WARN("can't get pos !\n");
3625 return MMSYSERR_INVALHANDLE;
3628 if (lpTime == NULL) {
3629 WARN("invalid parameter: lpTime = NULL\n");
3630 return MMSYSERR_INVALPARAM;
3633 wwi = &WInDev[wDevID];
3634 ALSA_AddRingMessage(&wwi->msgRing, WINE_WM_UPDATE, 0, TRUE);
3636 return bytes_to_mmtime(lpTime, wwi->dwTotalRecorded, &wwi->format);
3639 /**************************************************************************
3640 * widGetNumDevs [internal]
3642 static DWORD widGetNumDevs(void)
3644 return ALSA_WidNumDevs;
3647 /**************************************************************************
3648 * widDevInterfaceSize [internal]
3650 static DWORD widDevInterfaceSize(UINT wDevID, LPDWORD dwParam1)
3652 TRACE("(%u, %p)\n", wDevID, dwParam1);
3654 *dwParam1 = MultiByteToWideChar(CP_ACP, 0, WInDev[wDevID].interface_name, -1,
3655 NULL, 0 ) * sizeof(WCHAR);
3656 return MMSYSERR_NOERROR;
3659 /**************************************************************************
3660 * widDevInterface [internal]
3662 static DWORD widDevInterface(UINT wDevID, PWCHAR dwParam1, DWORD dwParam2)
3664 if (dwParam2 >= MultiByteToWideChar(CP_ACP, 0, WInDev[wDevID].interface_name, -1,
3665 NULL, 0 ) * sizeof(WCHAR))
3667 MultiByteToWideChar(CP_ACP, 0, WInDev[wDevID].interface_name, -1,
3668 dwParam1, dwParam2 / sizeof(WCHAR));
3669 return MMSYSERR_NOERROR;
3671 return MMSYSERR_INVALPARAM;
3674 /**************************************************************************
3675 * widDsCreate [internal]
3677 static DWORD widDsCreate(UINT wDevID, PIDSCDRIVER* drv)
3679 TRACE("(%d,%p)\n",wDevID,drv);
3681 /* the HAL isn't much better than the HEL if we can't do mmap() */
3682 FIXME("DirectSoundCapture not implemented\n");
3683 MESSAGE("The (slower) DirectSound HEL mode will be used instead.\n");
3684 return MMSYSERR_NOTSUPPORTED;
3687 /**************************************************************************
3688 * widDsDesc [internal]
3690 static DWORD widDsDesc(UINT wDevID, PDSDRIVERDESC desc)
3692 memcpy(desc, &(WInDev[wDevID].ds_desc), sizeof(DSDRIVERDESC));
3693 return MMSYSERR_NOERROR;
3696 /**************************************************************************
3697 * widMessage (WINEALSA.@)
3699 DWORD WINAPI ALSA_widMessage(UINT wDevID, UINT wMsg, DWORD dwUser,
3700 DWORD dwParam1, DWORD dwParam2)
3702 TRACE("(%u, %s, %08lX, %08lX, %08lX);\n",
3703 wDevID, getMessage(wMsg), dwUser, dwParam1, dwParam2);
3705 switch (wMsg) {
3706 case DRVM_INIT:
3707 case DRVM_EXIT:
3708 case DRVM_ENABLE:
3709 case DRVM_DISABLE:
3710 /* FIXME: Pretend this is supported */
3711 return 0;
3712 case WIDM_OPEN: return widOpen (wDevID, (LPWAVEOPENDESC)dwParam1, dwParam2);
3713 case WIDM_CLOSE: return widClose (wDevID);
3714 case WIDM_ADDBUFFER: return widAddBuffer (wDevID, (LPWAVEHDR)dwParam1, dwParam2);
3715 case WIDM_PREPARE: return MMSYSERR_NOTSUPPORTED;
3716 case WIDM_UNPREPARE: return MMSYSERR_NOTSUPPORTED;
3717 case WIDM_GETDEVCAPS: return widGetDevCaps (wDevID, (LPWAVEOUTCAPSW)dwParam1, dwParam2);
3718 case WIDM_GETNUMDEVS: return widGetNumDevs ();
3719 case WIDM_GETPOS: return widGetPosition (wDevID, (LPMMTIME)dwParam1, dwParam2);
3720 case WIDM_RESET: return widReset (wDevID);
3721 case WIDM_START: return widStart (wDevID, (LPWAVEHDR)dwParam1, dwParam2);
3722 case WIDM_STOP: return widStop (wDevID, (LPWAVEHDR)dwParam1, dwParam2);
3723 case DRV_QUERYDEVICEINTERFACESIZE: return widDevInterfaceSize (wDevID, (LPDWORD)dwParam1);
3724 case DRV_QUERYDEVICEINTERFACE: return widDevInterface (wDevID, (PWCHAR)dwParam1, dwParam2);
3725 case DRV_QUERYDSOUNDIFACE: return widDsCreate (wDevID, (PIDSCDRIVER*)dwParam1);
3726 case DRV_QUERYDSOUNDDESC: return widDsDesc (wDevID, (PDSDRIVERDESC)dwParam1);
3727 default:
3728 FIXME("unknown message %d!\n", wMsg);
3730 return MMSYSERR_NOTSUPPORTED;
3733 #else
3735 /**************************************************************************
3736 * widMessage (WINEALSA.@)
3738 DWORD WINAPI ALSA_widMessage(WORD wDevID, WORD wMsg, DWORD dwUser,
3739 DWORD dwParam1, DWORD dwParam2)
3741 FIXME("(%u, %04X, %08lX, %08lX, %08lX):stub\n", wDevID, wMsg, dwUser, dwParam1, dwParam2);
3742 return MMSYSERR_NOTENABLED;
3745 /**************************************************************************
3746 * wodMessage (WINEALSA.@)
3748 DWORD WINAPI ALSA_wodMessage(WORD wDevID, WORD wMsg, DWORD dwUser,
3749 DWORD dwParam1, DWORD dwParam2)
3751 FIXME("(%u, %04X, %08lX, %08lX, %08lX):stub\n", wDevID, wMsg, dwUser, dwParam1, dwParam2);
3752 return MMSYSERR_NOTENABLED;
3755 #endif /* HAVE_ALSA */