root / audio / dsoundaudio.c @ 749bc4bf
History | View | Annotate | Download (26.4 kB)
1 |
/*
|
---|---|
2 |
* QEMU DirectSound audio driver
|
3 |
*
|
4 |
* Copyright (c) 2005 Vassili Karpov (malc)
|
5 |
*
|
6 |
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
7 |
* of this software and associated documentation files (the "Software"), to deal
|
8 |
* in the Software without restriction, including without limitation the rights
|
9 |
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
10 |
* copies of the Software, and to permit persons to whom the Software is
|
11 |
* furnished to do so, subject to the following conditions:
|
12 |
*
|
13 |
* The above copyright notice and this permission notice shall be included in
|
14 |
* all copies or substantial portions of the Software.
|
15 |
*
|
16 |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
17 |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
18 |
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
19 |
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
20 |
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
21 |
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
22 |
* THE SOFTWARE.
|
23 |
*/
|
24 |
|
25 |
/*
|
26 |
* SEAL 1.07 by Carlos 'pel' Hasan was used as documentation
|
27 |
*/
|
28 |
|
29 |
#include "qemu-common.h" |
30 |
#include "audio.h" |
31 |
|
32 |
#define AUDIO_CAP "dsound" |
33 |
#include "audio_int.h" |
34 |
|
35 |
#include <windows.h> |
36 |
#include <objbase.h> |
37 |
#include <dsound.h> |
38 |
|
39 |
/* #define DEBUG_DSOUND */
|
40 |
|
41 |
static struct { |
42 |
int lock_retries;
|
43 |
int restore_retries;
|
44 |
int getstatus_retries;
|
45 |
int set_primary;
|
46 |
int bufsize_in;
|
47 |
int bufsize_out;
|
48 |
audsettings_t settings; |
49 |
int latency_millis;
|
50 |
} conf = { |
51 |
1,
|
52 |
1,
|
53 |
1,
|
54 |
0,
|
55 |
16384,
|
56 |
16384,
|
57 |
{ |
58 |
44100,
|
59 |
2,
|
60 |
AUD_FMT_S16 |
61 |
}, |
62 |
10
|
63 |
}; |
64 |
|
65 |
typedef struct { |
66 |
LPDIRECTSOUND dsound; |
67 |
LPDIRECTSOUNDCAPTURE dsound_capture; |
68 |
LPDIRECTSOUNDBUFFER dsound_primary_buffer; |
69 |
audsettings_t settings; |
70 |
} dsound; |
71 |
|
72 |
static dsound glob_dsound;
|
73 |
|
74 |
typedef struct { |
75 |
HWVoiceOut hw; |
76 |
LPDIRECTSOUNDBUFFER dsound_buffer; |
77 |
DWORD old_pos; |
78 |
int first_time;
|
79 |
#ifdef DEBUG_DSOUND
|
80 |
DWORD old_ppos; |
81 |
DWORD played; |
82 |
DWORD mixed; |
83 |
#endif
|
84 |
} DSoundVoiceOut; |
85 |
|
86 |
typedef struct { |
87 |
HWVoiceIn hw; |
88 |
int first_time;
|
89 |
LPDIRECTSOUNDCAPTUREBUFFER dsound_capture_buffer; |
90 |
} DSoundVoiceIn; |
91 |
|
92 |
static void dsound_log_hresult (HRESULT hr) |
93 |
{ |
94 |
const char *str = "BUG"; |
95 |
|
96 |
switch (hr) {
|
97 |
case DS_OK:
|
98 |
str = "The method succeeded";
|
99 |
break;
|
100 |
#ifdef DS_NO_VIRTUALIZATION
|
101 |
case DS_NO_VIRTUALIZATION:
|
102 |
str = "The buffer was created, but another 3D algorithm was substituted";
|
103 |
break;
|
104 |
#endif
|
105 |
#ifdef DS_INCOMPLETE
|
106 |
case DS_INCOMPLETE:
|
107 |
str = "The method succeeded, but not all the optional effects were obtained";
|
108 |
break;
|
109 |
#endif
|
110 |
#ifdef DSERR_ACCESSDENIED
|
111 |
case DSERR_ACCESSDENIED:
|
112 |
str = "The request failed because access was denied";
|
113 |
break;
|
114 |
#endif
|
115 |
#ifdef DSERR_ALLOCATED
|
116 |
case DSERR_ALLOCATED:
|
117 |
str = "The request failed because resources, such as a priority level, were already in use by another caller";
|
118 |
break;
|
119 |
#endif
|
120 |
#ifdef DSERR_ALREADYINITIALIZED
|
121 |
case DSERR_ALREADYINITIALIZED:
|
122 |
str = "The object is already initialized";
|
123 |
break;
|
124 |
#endif
|
125 |
#ifdef DSERR_BADFORMAT
|
126 |
case DSERR_BADFORMAT:
|
127 |
str = "The specified wave format is not supported";
|
128 |
break;
|
129 |
#endif
|
130 |
#ifdef DSERR_BADSENDBUFFERGUID
|
131 |
case DSERR_BADSENDBUFFERGUID:
|
132 |
str = "The GUID specified in an audiopath file does not match a valid mix-in buffer";
|
133 |
break;
|
134 |
#endif
|
135 |
#ifdef DSERR_BUFFERLOST
|
136 |
case DSERR_BUFFERLOST:
|
137 |
str = "The buffer memory has been lost and must be restored";
|
138 |
break;
|
139 |
#endif
|
140 |
#ifdef DSERR_BUFFERTOOSMALL
|
141 |
case DSERR_BUFFERTOOSMALL:
|
142 |
str = "The buffer size is not great enough to enable effects processing";
|
143 |
break;
|
144 |
#endif
|
145 |
#ifdef DSERR_CONTROLUNAVAIL
|
146 |
case DSERR_CONTROLUNAVAIL:
|
147 |
str = "The buffer control (volume, pan, and so on) requested by the caller is not available. Controls must be specified when the buffer is created, using the dwFlags member of DSBUFFERDESC";
|
148 |
break;
|
149 |
#endif
|
150 |
#ifdef DSERR_DS8_REQUIRED
|
151 |
case DSERR_DS8_REQUIRED:
|
152 |
str = "A DirectSound object of class CLSID_DirectSound8 or later is required for the requested functionality. For more information, see IDirectSound8 Interface";
|
153 |
break;
|
154 |
#endif
|
155 |
#ifdef DSERR_FXUNAVAILABLE
|
156 |
case DSERR_FXUNAVAILABLE:
|
157 |
str = "The effects requested could not be found on the system, or they are in the wrong order or in the wrong location; for example, an effect expected in hardware was found in software";
|
158 |
break;
|
159 |
#endif
|
160 |
#ifdef DSERR_GENERIC
|
161 |
case DSERR_GENERIC :
|
162 |
str = "An undetermined error occurred inside the DirectSound subsystem";
|
163 |
break;
|
164 |
#endif
|
165 |
#ifdef DSERR_INVALIDCALL
|
166 |
case DSERR_INVALIDCALL:
|
167 |
str = "This function is not valid for the current state of this object";
|
168 |
break;
|
169 |
#endif
|
170 |
#ifdef DSERR_INVALIDPARAM
|
171 |
case DSERR_INVALIDPARAM:
|
172 |
str = "An invalid parameter was passed to the returning function";
|
173 |
break;
|
174 |
#endif
|
175 |
#ifdef DSERR_NOAGGREGATION
|
176 |
case DSERR_NOAGGREGATION:
|
177 |
str = "The object does not support aggregation";
|
178 |
break;
|
179 |
#endif
|
180 |
#ifdef DSERR_NODRIVER
|
181 |
case DSERR_NODRIVER:
|
182 |
str = "No sound driver is available for use, or the given GUID is not a valid DirectSound device ID";
|
183 |
break;
|
184 |
#endif
|
185 |
#ifdef DSERR_NOINTERFACE
|
186 |
case DSERR_NOINTERFACE:
|
187 |
str = "The requested COM interface is not available";
|
188 |
break;
|
189 |
#endif
|
190 |
#ifdef DSERR_OBJECTNOTFOUND
|
191 |
case DSERR_OBJECTNOTFOUND:
|
192 |
str = "The requested object was not found";
|
193 |
break;
|
194 |
#endif
|
195 |
#ifdef DSERR_OTHERAPPHASPRIO
|
196 |
case DSERR_OTHERAPPHASPRIO:
|
197 |
str = "Another application has a higher priority level, preventing this call from succeeding";
|
198 |
break;
|
199 |
#endif
|
200 |
#ifdef DSERR_OUTOFMEMORY
|
201 |
case DSERR_OUTOFMEMORY:
|
202 |
str = "The DirectSound subsystem could not allocate sufficient memory to complete the caller's request";
|
203 |
break;
|
204 |
#endif
|
205 |
#ifdef DSERR_PRIOLEVELNEEDED
|
206 |
case DSERR_PRIOLEVELNEEDED:
|
207 |
str = "A cooperative level of DSSCL_PRIORITY or higher is required";
|
208 |
break;
|
209 |
#endif
|
210 |
#ifdef DSERR_SENDLOOP
|
211 |
case DSERR_SENDLOOP:
|
212 |
str = "A circular loop of send effects was detected";
|
213 |
break;
|
214 |
#endif
|
215 |
#ifdef DSERR_UNINITIALIZED
|
216 |
case DSERR_UNINITIALIZED:
|
217 |
str = "The Initialize method has not been called or has not been called successfully before other methods were called";
|
218 |
break;
|
219 |
#endif
|
220 |
#ifdef DSERR_UNSUPPORTED
|
221 |
case DSERR_UNSUPPORTED:
|
222 |
str = "The function called is not supported at this time";
|
223 |
break;
|
224 |
#endif
|
225 |
default:
|
226 |
AUD_log (AUDIO_CAP, "Reason: Unknown (HRESULT %#lx)\n", hr);
|
227 |
return;
|
228 |
} |
229 |
|
230 |
AUD_log (AUDIO_CAP, "Reason: %s\n", str);
|
231 |
} |
232 |
|
233 |
static void GCC_FMT_ATTR (2, 3) dsound_logerr ( |
234 |
HRESULT hr, |
235 |
const char *fmt, |
236 |
... |
237 |
) |
238 |
{ |
239 |
va_list ap; |
240 |
|
241 |
va_start (ap, fmt); |
242 |
AUD_vlog (AUDIO_CAP, fmt, ap); |
243 |
va_end (ap); |
244 |
|
245 |
dsound_log_hresult (hr); |
246 |
} |
247 |
|
248 |
static void GCC_FMT_ATTR (3, 4) dsound_logerr2 ( |
249 |
HRESULT hr, |
250 |
const char *typ, |
251 |
const char *fmt, |
252 |
... |
253 |
) |
254 |
{ |
255 |
va_list ap; |
256 |
|
257 |
AUD_log (AUDIO_CAP, "Could not initialize %s\n", typ);
|
258 |
va_start (ap, fmt); |
259 |
AUD_vlog (AUDIO_CAP, fmt, ap); |
260 |
va_end (ap); |
261 |
|
262 |
dsound_log_hresult (hr); |
263 |
} |
264 |
|
265 |
static DWORD millis_to_bytes (struct audio_pcm_info *info, DWORD millis) |
266 |
{ |
267 |
return (millis * info->bytes_per_second) / 1000; |
268 |
} |
269 |
|
270 |
#ifdef DEBUG_DSOUND
|
271 |
static void print_wave_format (WAVEFORMATEX *wfx) |
272 |
{ |
273 |
dolog ("tag = %d\n", wfx->wFormatTag);
|
274 |
dolog ("nChannels = %d\n", wfx->nChannels);
|
275 |
dolog ("nSamplesPerSec = %ld\n", wfx->nSamplesPerSec);
|
276 |
dolog ("nAvgBytesPerSec = %ld\n", wfx->nAvgBytesPerSec);
|
277 |
dolog ("nBlockAlign = %d\n", wfx->nBlockAlign);
|
278 |
dolog ("wBitsPerSample = %d\n", wfx->wBitsPerSample);
|
279 |
dolog ("cbSize = %d\n", wfx->cbSize);
|
280 |
} |
281 |
#endif
|
282 |
|
283 |
static int dsound_restore_out (LPDIRECTSOUNDBUFFER dsb) |
284 |
{ |
285 |
HRESULT hr; |
286 |
int i;
|
287 |
|
288 |
for (i = 0; i < conf.restore_retries; ++i) { |
289 |
hr = IDirectSoundBuffer_Restore (dsb); |
290 |
|
291 |
switch (hr) {
|
292 |
case DS_OK:
|
293 |
return 0; |
294 |
|
295 |
case DSERR_BUFFERLOST:
|
296 |
continue;
|
297 |
|
298 |
default:
|
299 |
dsound_logerr (hr, "Could not restore playback buffer\n");
|
300 |
return -1; |
301 |
} |
302 |
} |
303 |
|
304 |
dolog ("%d attempts to restore playback buffer failed\n", i);
|
305 |
return -1; |
306 |
} |
307 |
|
308 |
static int waveformat_from_audio_settings (WAVEFORMATEX *wfx, audsettings_t *as) |
309 |
{ |
310 |
memset (wfx, 0, sizeof (*wfx)); |
311 |
|
312 |
wfx->wFormatTag = WAVE_FORMAT_PCM; |
313 |
wfx->nChannels = as->nchannels; |
314 |
wfx->nSamplesPerSec = as->freq; |
315 |
wfx->nAvgBytesPerSec = as->freq << (as->nchannels == 2);
|
316 |
wfx->nBlockAlign = 1 << (as->nchannels == 2); |
317 |
wfx->cbSize = 0;
|
318 |
|
319 |
switch (as->fmt) {
|
320 |
case AUD_FMT_S8:
|
321 |
wfx->wBitsPerSample = 8;
|
322 |
break;
|
323 |
|
324 |
case AUD_FMT_U8:
|
325 |
wfx->wBitsPerSample = 8;
|
326 |
break;
|
327 |
|
328 |
case AUD_FMT_S16:
|
329 |
wfx->wBitsPerSample = 16;
|
330 |
wfx->nAvgBytesPerSec <<= 1;
|
331 |
wfx->nBlockAlign <<= 1;
|
332 |
break;
|
333 |
|
334 |
case AUD_FMT_U16:
|
335 |
wfx->wBitsPerSample = 16;
|
336 |
wfx->nAvgBytesPerSec <<= 1;
|
337 |
wfx->nBlockAlign <<= 1;
|
338 |
break;
|
339 |
|
340 |
default:
|
341 |
dolog ("Internal logic error: Bad audio format %d\n", as->freq);
|
342 |
return -1; |
343 |
} |
344 |
|
345 |
return 0; |
346 |
} |
347 |
|
348 |
static int waveformat_to_audio_settings (WAVEFORMATEX *wfx, audsettings_t *as) |
349 |
{ |
350 |
if (wfx->wFormatTag != WAVE_FORMAT_PCM) {
|
351 |
dolog ("Invalid wave format, tag is not PCM, but %d\n",
|
352 |
wfx->wFormatTag); |
353 |
return -1; |
354 |
} |
355 |
|
356 |
if (!wfx->nSamplesPerSec) {
|
357 |
dolog ("Invalid wave format, frequency is zero\n");
|
358 |
return -1; |
359 |
} |
360 |
as->freq = wfx->nSamplesPerSec; |
361 |
|
362 |
switch (wfx->nChannels) {
|
363 |
case 1: |
364 |
as->nchannels = 1;
|
365 |
break;
|
366 |
|
367 |
case 2: |
368 |
as->nchannels = 2;
|
369 |
break;
|
370 |
|
371 |
default:
|
372 |
dolog ( |
373 |
"Invalid wave format, number of channels is not 1 or 2, but %d\n",
|
374 |
wfx->nChannels |
375 |
); |
376 |
return -1; |
377 |
} |
378 |
|
379 |
switch (wfx->wBitsPerSample) {
|
380 |
case 8: |
381 |
as->fmt = AUD_FMT_U8; |
382 |
break;
|
383 |
|
384 |
case 16: |
385 |
as->fmt = AUD_FMT_S16; |
386 |
break;
|
387 |
|
388 |
default:
|
389 |
dolog ("Invalid wave format, bits per sample is not 8 or 16, but %d\n",
|
390 |
wfx->wBitsPerSample); |
391 |
return -1; |
392 |
} |
393 |
|
394 |
return 0; |
395 |
} |
396 |
|
397 |
#include "dsound_template.h" |
398 |
#define DSBTYPE_IN
|
399 |
#include "dsound_template.h" |
400 |
#undef DSBTYPE_IN
|
401 |
|
402 |
static int dsound_get_status_out (LPDIRECTSOUNDBUFFER dsb, DWORD *statusp) |
403 |
{ |
404 |
HRESULT hr; |
405 |
int i;
|
406 |
|
407 |
for (i = 0; i < conf.getstatus_retries; ++i) { |
408 |
hr = IDirectSoundBuffer_GetStatus (dsb, statusp); |
409 |
if (FAILED (hr)) {
|
410 |
dsound_logerr (hr, "Could not get playback buffer status\n");
|
411 |
return -1; |
412 |
} |
413 |
|
414 |
if (*statusp & DSERR_BUFFERLOST) {
|
415 |
if (dsound_restore_out (dsb)) {
|
416 |
return -1; |
417 |
} |
418 |
continue;
|
419 |
} |
420 |
break;
|
421 |
} |
422 |
|
423 |
return 0; |
424 |
} |
425 |
|
426 |
static int dsound_get_status_in (LPDIRECTSOUNDCAPTUREBUFFER dscb, |
427 |
DWORD *statusp) |
428 |
{ |
429 |
HRESULT hr; |
430 |
|
431 |
hr = IDirectSoundCaptureBuffer_GetStatus (dscb, statusp); |
432 |
if (FAILED (hr)) {
|
433 |
dsound_logerr (hr, "Could not get capture buffer status\n");
|
434 |
return -1; |
435 |
} |
436 |
|
437 |
return 0; |
438 |
} |
439 |
|
440 |
static void dsound_write_sample (HWVoiceOut *hw, uint8_t *dst, int dst_len) |
441 |
{ |
442 |
int src_len1 = dst_len;
|
443 |
int src_len2 = 0; |
444 |
int pos = hw->rpos + dst_len;
|
445 |
st_sample_t *src1 = hw->mix_buf + hw->rpos; |
446 |
st_sample_t *src2 = NULL;
|
447 |
|
448 |
if (pos > hw->samples) {
|
449 |
src_len1 = hw->samples - hw->rpos; |
450 |
src2 = hw->mix_buf; |
451 |
src_len2 = dst_len - src_len1; |
452 |
pos = src_len2; |
453 |
} |
454 |
|
455 |
if (src_len1) {
|
456 |
hw->clip (dst, src1, src_len1); |
457 |
} |
458 |
|
459 |
if (src_len2) {
|
460 |
dst = advance (dst, src_len1 << hw->info.shift); |
461 |
hw->clip (dst, src2, src_len2); |
462 |
} |
463 |
|
464 |
hw->rpos = pos % hw->samples; |
465 |
} |
466 |
|
467 |
static void dsound_clear_sample (HWVoiceOut *hw, LPDIRECTSOUNDBUFFER dsb) |
468 |
{ |
469 |
int err;
|
470 |
LPVOID p1, p2; |
471 |
DWORD blen1, blen2, len1, len2; |
472 |
|
473 |
err = dsound_lock_out ( |
474 |
dsb, |
475 |
&hw->info, |
476 |
0,
|
477 |
hw->samples << hw->info.shift, |
478 |
&p1, &p2, |
479 |
&blen1, &blen2, |
480 |
1
|
481 |
); |
482 |
if (err) {
|
483 |
return;
|
484 |
} |
485 |
|
486 |
len1 = blen1 >> hw->info.shift; |
487 |
len2 = blen2 >> hw->info.shift; |
488 |
|
489 |
#ifdef DEBUG_DSOUND
|
490 |
dolog ("clear %p,%ld,%ld %p,%ld,%ld\n",
|
491 |
p1, blen1, len1, |
492 |
p2, blen2, len2); |
493 |
#endif
|
494 |
|
495 |
if (p1 && len1) {
|
496 |
audio_pcm_info_clear_buf (&hw->info, p1, len1); |
497 |
} |
498 |
|
499 |
if (p2 && len2) {
|
500 |
audio_pcm_info_clear_buf (&hw->info, p2, len2); |
501 |
} |
502 |
|
503 |
dsound_unlock_out (dsb, p1, p2, blen1, blen2); |
504 |
} |
505 |
|
506 |
static void dsound_close (dsound *s) |
507 |
{ |
508 |
HRESULT hr; |
509 |
|
510 |
if (s->dsound_primary_buffer) {
|
511 |
hr = IDirectSoundBuffer_Release (s->dsound_primary_buffer); |
512 |
if (FAILED (hr)) {
|
513 |
dsound_logerr (hr, "Could not release primary buffer\n");
|
514 |
} |
515 |
s->dsound_primary_buffer = NULL;
|
516 |
} |
517 |
} |
518 |
|
519 |
static int dsound_open (dsound *s) |
520 |
{ |
521 |
int err;
|
522 |
HRESULT hr; |
523 |
WAVEFORMATEX wfx; |
524 |
DSBUFFERDESC dsbd; |
525 |
HWND hwnd; |
526 |
|
527 |
hwnd = GetForegroundWindow (); |
528 |
hr = IDirectSound_SetCooperativeLevel ( |
529 |
s->dsound, |
530 |
hwnd, |
531 |
DSSCL_PRIORITY |
532 |
); |
533 |
|
534 |
if (FAILED (hr)) {
|
535 |
dsound_logerr (hr, "Could not set cooperative level for window %p\n",
|
536 |
hwnd); |
537 |
return -1; |
538 |
} |
539 |
|
540 |
if (!conf.set_primary) {
|
541 |
return 0; |
542 |
} |
543 |
|
544 |
err = waveformat_from_audio_settings (&wfx, &conf.settings); |
545 |
if (err) {
|
546 |
return -1; |
547 |
} |
548 |
|
549 |
memset (&dsbd, 0, sizeof (dsbd)); |
550 |
dsbd.dwSize = sizeof (dsbd);
|
551 |
dsbd.dwFlags = DSBCAPS_PRIMARYBUFFER; |
552 |
dsbd.dwBufferBytes = 0;
|
553 |
dsbd.lpwfxFormat = NULL;
|
554 |
|
555 |
hr = IDirectSound_CreateSoundBuffer ( |
556 |
s->dsound, |
557 |
&dsbd, |
558 |
&s->dsound_primary_buffer, |
559 |
NULL
|
560 |
); |
561 |
if (FAILED (hr)) {
|
562 |
dsound_logerr (hr, "Could not create primary playback buffer\n");
|
563 |
return -1; |
564 |
} |
565 |
|
566 |
hr = IDirectSoundBuffer_SetFormat (s->dsound_primary_buffer, &wfx); |
567 |
if (FAILED (hr)) {
|
568 |
dsound_logerr (hr, "Could not set primary playback buffer format\n");
|
569 |
} |
570 |
|
571 |
hr = IDirectSoundBuffer_GetFormat ( |
572 |
s->dsound_primary_buffer, |
573 |
&wfx, |
574 |
sizeof (wfx),
|
575 |
NULL
|
576 |
); |
577 |
if (FAILED (hr)) {
|
578 |
dsound_logerr (hr, "Could not get primary playback buffer format\n");
|
579 |
goto fail0;
|
580 |
} |
581 |
|
582 |
#ifdef DEBUG_DSOUND
|
583 |
dolog ("Primary\n");
|
584 |
print_wave_format (&wfx); |
585 |
#endif
|
586 |
|
587 |
err = waveformat_to_audio_settings (&wfx, &s->settings); |
588 |
if (err) {
|
589 |
goto fail0;
|
590 |
} |
591 |
|
592 |
return 0; |
593 |
|
594 |
fail0:
|
595 |
dsound_close (s); |
596 |
return -1; |
597 |
} |
598 |
|
599 |
static int dsound_ctl_out (HWVoiceOut *hw, int cmd, ...) |
600 |
{ |
601 |
HRESULT hr; |
602 |
DWORD status; |
603 |
DSoundVoiceOut *ds = (DSoundVoiceOut *) hw; |
604 |
LPDIRECTSOUNDBUFFER dsb = ds->dsound_buffer; |
605 |
|
606 |
if (!dsb) {
|
607 |
dolog ("Attempt to control voice without a buffer\n");
|
608 |
return 0; |
609 |
} |
610 |
|
611 |
switch (cmd) {
|
612 |
case VOICE_ENABLE:
|
613 |
if (dsound_get_status_out (dsb, &status)) {
|
614 |
return -1; |
615 |
} |
616 |
|
617 |
if (status & DSBSTATUS_PLAYING) {
|
618 |
dolog ("warning: Voice is already playing\n");
|
619 |
return 0; |
620 |
} |
621 |
|
622 |
dsound_clear_sample (hw, dsb); |
623 |
|
624 |
hr = IDirectSoundBuffer_Play (dsb, 0, 0, DSBPLAY_LOOPING); |
625 |
if (FAILED (hr)) {
|
626 |
dsound_logerr (hr, "Could not start playing buffer\n");
|
627 |
return -1; |
628 |
} |
629 |
break;
|
630 |
|
631 |
case VOICE_DISABLE:
|
632 |
if (dsound_get_status_out (dsb, &status)) {
|
633 |
return -1; |
634 |
} |
635 |
|
636 |
if (status & DSBSTATUS_PLAYING) {
|
637 |
hr = IDirectSoundBuffer_Stop (dsb); |
638 |
if (FAILED (hr)) {
|
639 |
dsound_logerr (hr, "Could not stop playing buffer\n");
|
640 |
return -1; |
641 |
} |
642 |
} |
643 |
else {
|
644 |
dolog ("warning: Voice is not playing\n");
|
645 |
} |
646 |
break;
|
647 |
} |
648 |
return 0; |
649 |
} |
650 |
|
651 |
static int dsound_write (SWVoiceOut *sw, void *buf, int len) |
652 |
{ |
653 |
return audio_pcm_sw_write (sw, buf, len);
|
654 |
} |
655 |
|
656 |
static int dsound_run_out (HWVoiceOut *hw) |
657 |
{ |
658 |
int err;
|
659 |
HRESULT hr; |
660 |
DSoundVoiceOut *ds = (DSoundVoiceOut *) hw; |
661 |
LPDIRECTSOUNDBUFFER dsb = ds->dsound_buffer; |
662 |
int live, len, hwshift;
|
663 |
DWORD blen1, blen2; |
664 |
DWORD len1, len2; |
665 |
DWORD decr; |
666 |
DWORD wpos, ppos, old_pos; |
667 |
LPVOID p1, p2; |
668 |
int bufsize;
|
669 |
|
670 |
if (!dsb) {
|
671 |
dolog ("Attempt to run empty with playback buffer\n");
|
672 |
return 0; |
673 |
} |
674 |
|
675 |
hwshift = hw->info.shift; |
676 |
bufsize = hw->samples << hwshift; |
677 |
|
678 |
live = audio_pcm_hw_get_live_out (hw); |
679 |
|
680 |
hr = IDirectSoundBuffer_GetCurrentPosition ( |
681 |
dsb, |
682 |
&ppos, |
683 |
ds->first_time ? &wpos : NULL
|
684 |
); |
685 |
if (FAILED (hr)) {
|
686 |
dsound_logerr (hr, "Could not get playback buffer position\n");
|
687 |
return 0; |
688 |
} |
689 |
|
690 |
len = live << hwshift; |
691 |
|
692 |
if (ds->first_time) {
|
693 |
if (conf.latency_millis) {
|
694 |
DWORD cur_blat; |
695 |
|
696 |
cur_blat = audio_ring_dist (wpos, ppos, bufsize); |
697 |
ds->first_time = 0;
|
698 |
old_pos = wpos; |
699 |
old_pos += |
700 |
millis_to_bytes (&hw->info, conf.latency_millis) - cur_blat; |
701 |
old_pos %= bufsize; |
702 |
old_pos &= ~hw->info.align; |
703 |
} |
704 |
else {
|
705 |
old_pos = wpos; |
706 |
} |
707 |
#ifdef DEBUG_DSOUND
|
708 |
ds->played = 0;
|
709 |
ds->mixed = 0;
|
710 |
#endif
|
711 |
} |
712 |
else {
|
713 |
if (ds->old_pos == ppos) {
|
714 |
#ifdef DEBUG_DSOUND
|
715 |
dolog ("old_pos == ppos\n");
|
716 |
#endif
|
717 |
return 0; |
718 |
} |
719 |
|
720 |
#ifdef DEBUG_DSOUND
|
721 |
ds->played += audio_ring_dist (ds->old_pos, ppos, hw->bufsize); |
722 |
#endif
|
723 |
old_pos = ds->old_pos; |
724 |
} |
725 |
|
726 |
if ((old_pos < ppos) && ((old_pos + len) > ppos)) {
|
727 |
len = ppos - old_pos; |
728 |
} |
729 |
else {
|
730 |
if ((old_pos > ppos) && ((old_pos + len) > (ppos + bufsize))) {
|
731 |
len = bufsize - old_pos + ppos; |
732 |
} |
733 |
} |
734 |
|
735 |
if (audio_bug (AUDIO_FUNC, len < 0 || len > bufsize)) { |
736 |
dolog ("len=%d bufsize=%d old_pos=%ld ppos=%ld\n",
|
737 |
len, bufsize, old_pos, ppos); |
738 |
return 0; |
739 |
} |
740 |
|
741 |
len &= ~hw->info.align; |
742 |
if (!len) {
|
743 |
return 0; |
744 |
} |
745 |
|
746 |
#ifdef DEBUG_DSOUND
|
747 |
ds->old_ppos = ppos; |
748 |
#endif
|
749 |
err = dsound_lock_out ( |
750 |
dsb, |
751 |
&hw->info, |
752 |
old_pos, |
753 |
len, |
754 |
&p1, &p2, |
755 |
&blen1, &blen2, |
756 |
0
|
757 |
); |
758 |
if (err) {
|
759 |
return 0; |
760 |
} |
761 |
|
762 |
len1 = blen1 >> hwshift; |
763 |
len2 = blen2 >> hwshift; |
764 |
decr = len1 + len2; |
765 |
|
766 |
if (p1 && len1) {
|
767 |
dsound_write_sample (hw, p1, len1); |
768 |
} |
769 |
|
770 |
if (p2 && len2) {
|
771 |
dsound_write_sample (hw, p2, len2); |
772 |
} |
773 |
|
774 |
dsound_unlock_out (dsb, p1, p2, blen1, blen2); |
775 |
ds->old_pos = (old_pos + (decr << hwshift)) % bufsize; |
776 |
|
777 |
#ifdef DEBUG_DSOUND
|
778 |
ds->mixed += decr << hwshift; |
779 |
|
780 |
dolog ("played %lu mixed %lu diff %ld sec %f\n",
|
781 |
ds->played, |
782 |
ds->mixed, |
783 |
ds->mixed - ds->played, |
784 |
abs (ds->mixed - ds->played) / (double) hw->info.bytes_per_second);
|
785 |
#endif
|
786 |
return decr;
|
787 |
} |
788 |
|
789 |
static int dsound_ctl_in (HWVoiceIn *hw, int cmd, ...) |
790 |
{ |
791 |
HRESULT hr; |
792 |
DWORD status; |
793 |
DSoundVoiceIn *ds = (DSoundVoiceIn *) hw; |
794 |
LPDIRECTSOUNDCAPTUREBUFFER dscb = ds->dsound_capture_buffer; |
795 |
|
796 |
if (!dscb) {
|
797 |
dolog ("Attempt to control capture voice without a buffer\n");
|
798 |
return -1; |
799 |
} |
800 |
|
801 |
switch (cmd) {
|
802 |
case VOICE_ENABLE:
|
803 |
if (dsound_get_status_in (dscb, &status)) {
|
804 |
return -1; |
805 |
} |
806 |
|
807 |
if (status & DSCBSTATUS_CAPTURING) {
|
808 |
dolog ("warning: Voice is already capturing\n");
|
809 |
return 0; |
810 |
} |
811 |
|
812 |
/* clear ?? */
|
813 |
|
814 |
hr = IDirectSoundCaptureBuffer_Start (dscb, DSCBSTART_LOOPING); |
815 |
if (FAILED (hr)) {
|
816 |
dsound_logerr (hr, "Could not start capturing\n");
|
817 |
return -1; |
818 |
} |
819 |
break;
|
820 |
|
821 |
case VOICE_DISABLE:
|
822 |
if (dsound_get_status_in (dscb, &status)) {
|
823 |
return -1; |
824 |
} |
825 |
|
826 |
if (status & DSCBSTATUS_CAPTURING) {
|
827 |
hr = IDirectSoundCaptureBuffer_Stop (dscb); |
828 |
if (FAILED (hr)) {
|
829 |
dsound_logerr (hr, "Could not stop capturing\n");
|
830 |
return -1; |
831 |
} |
832 |
} |
833 |
else {
|
834 |
dolog ("warning: Voice is not capturing\n");
|
835 |
} |
836 |
break;
|
837 |
} |
838 |
return 0; |
839 |
} |
840 |
|
841 |
static int dsound_read (SWVoiceIn *sw, void *buf, int len) |
842 |
{ |
843 |
return audio_pcm_sw_read (sw, buf, len);
|
844 |
} |
845 |
|
846 |
static int dsound_run_in (HWVoiceIn *hw) |
847 |
{ |
848 |
int err;
|
849 |
HRESULT hr; |
850 |
DSoundVoiceIn *ds = (DSoundVoiceIn *) hw; |
851 |
LPDIRECTSOUNDCAPTUREBUFFER dscb = ds->dsound_capture_buffer; |
852 |
int live, len, dead;
|
853 |
DWORD blen1, blen2; |
854 |
DWORD len1, len2; |
855 |
DWORD decr; |
856 |
DWORD cpos, rpos; |
857 |
LPVOID p1, p2; |
858 |
int hwshift;
|
859 |
|
860 |
if (!dscb) {
|
861 |
dolog ("Attempt to run without capture buffer\n");
|
862 |
return 0; |
863 |
} |
864 |
|
865 |
hwshift = hw->info.shift; |
866 |
|
867 |
live = audio_pcm_hw_get_live_in (hw); |
868 |
dead = hw->samples - live; |
869 |
if (!dead) {
|
870 |
return 0; |
871 |
} |
872 |
|
873 |
hr = IDirectSoundCaptureBuffer_GetCurrentPosition ( |
874 |
dscb, |
875 |
&cpos, |
876 |
ds->first_time ? &rpos : NULL
|
877 |
); |
878 |
if (FAILED (hr)) {
|
879 |
dsound_logerr (hr, "Could not get capture buffer position\n");
|
880 |
return 0; |
881 |
} |
882 |
|
883 |
if (ds->first_time) {
|
884 |
ds->first_time = 0;
|
885 |
if (rpos & hw->info.align) {
|
886 |
ldebug ("warning: Misaligned capture read position %ld(%d)\n",
|
887 |
rpos, hw->info.align); |
888 |
} |
889 |
hw->wpos = rpos >> hwshift; |
890 |
} |
891 |
|
892 |
if (cpos & hw->info.align) {
|
893 |
ldebug ("warning: Misaligned capture position %ld(%d)\n",
|
894 |
cpos, hw->info.align); |
895 |
} |
896 |
cpos >>= hwshift; |
897 |
|
898 |
len = audio_ring_dist (cpos, hw->wpos, hw->samples); |
899 |
if (!len) {
|
900 |
return 0; |
901 |
} |
902 |
len = audio_MIN (len, dead); |
903 |
|
904 |
err = dsound_lock_in ( |
905 |
dscb, |
906 |
&hw->info, |
907 |
hw->wpos << hwshift, |
908 |
len << hwshift, |
909 |
&p1, |
910 |
&p2, |
911 |
&blen1, |
912 |
&blen2, |
913 |
0
|
914 |
); |
915 |
if (err) {
|
916 |
return 0; |
917 |
} |
918 |
|
919 |
len1 = blen1 >> hwshift; |
920 |
len2 = blen2 >> hwshift; |
921 |
decr = len1 + len2; |
922 |
|
923 |
if (p1 && len1) {
|
924 |
hw->conv (hw->conv_buf + hw->wpos, p1, len1, &nominal_volume); |
925 |
} |
926 |
|
927 |
if (p2 && len2) {
|
928 |
hw->conv (hw->conv_buf, p2, len2, &nominal_volume); |
929 |
} |
930 |
|
931 |
dsound_unlock_in (dscb, p1, p2, blen1, blen2); |
932 |
hw->wpos = (hw->wpos + decr) % hw->samples; |
933 |
return decr;
|
934 |
} |
935 |
|
936 |
static void dsound_audio_fini (void *opaque) |
937 |
{ |
938 |
HRESULT hr; |
939 |
dsound *s = opaque; |
940 |
|
941 |
if (!s->dsound) {
|
942 |
return;
|
943 |
} |
944 |
|
945 |
hr = IDirectSound_Release (s->dsound); |
946 |
if (FAILED (hr)) {
|
947 |
dsound_logerr (hr, "Could not release DirectSound\n");
|
948 |
} |
949 |
s->dsound = NULL;
|
950 |
|
951 |
if (!s->dsound_capture) {
|
952 |
return;
|
953 |
} |
954 |
|
955 |
hr = IDirectSoundCapture_Release (s->dsound_capture); |
956 |
if (FAILED (hr)) {
|
957 |
dsound_logerr (hr, "Could not release DirectSoundCapture\n");
|
958 |
} |
959 |
s->dsound_capture = NULL;
|
960 |
} |
961 |
|
962 |
static void *dsound_audio_init (void) |
963 |
{ |
964 |
int err;
|
965 |
HRESULT hr; |
966 |
dsound *s = &glob_dsound; |
967 |
|
968 |
hr = CoInitialize (NULL);
|
969 |
if (FAILED (hr)) {
|
970 |
dsound_logerr (hr, "Could not initialize COM\n");
|
971 |
return NULL; |
972 |
} |
973 |
|
974 |
hr = CoCreateInstance ( |
975 |
&CLSID_DirectSound, |
976 |
NULL,
|
977 |
CLSCTX_ALL, |
978 |
&IID_IDirectSound, |
979 |
(void **) &s->dsound
|
980 |
); |
981 |
if (FAILED (hr)) {
|
982 |
dsound_logerr (hr, "Could not create DirectSound instance\n");
|
983 |
return NULL; |
984 |
} |
985 |
|
986 |
hr = IDirectSound_Initialize (s->dsound, NULL);
|
987 |
if (FAILED (hr)) {
|
988 |
dsound_logerr (hr, "Could not initialize DirectSound\n");
|
989 |
|
990 |
hr = IDirectSound_Release (s->dsound); |
991 |
if (FAILED (hr)) {
|
992 |
dsound_logerr (hr, "Could not release DirectSound\n");
|
993 |
} |
994 |
s->dsound = NULL;
|
995 |
return NULL; |
996 |
} |
997 |
|
998 |
hr = CoCreateInstance ( |
999 |
&CLSID_DirectSoundCapture, |
1000 |
NULL,
|
1001 |
CLSCTX_ALL, |
1002 |
&IID_IDirectSoundCapture, |
1003 |
(void **) &s->dsound_capture
|
1004 |
); |
1005 |
if (FAILED (hr)) {
|
1006 |
dsound_logerr (hr, "Could not create DirectSoundCapture instance\n");
|
1007 |
} |
1008 |
else {
|
1009 |
hr = IDirectSoundCapture_Initialize (s->dsound_capture, NULL);
|
1010 |
if (FAILED (hr)) {
|
1011 |
dsound_logerr (hr, "Could not initialize DirectSoundCapture\n");
|
1012 |
|
1013 |
hr = IDirectSoundCapture_Release (s->dsound_capture); |
1014 |
if (FAILED (hr)) {
|
1015 |
dsound_logerr (hr, "Could not release DirectSoundCapture\n");
|
1016 |
} |
1017 |
s->dsound_capture = NULL;
|
1018 |
} |
1019 |
} |
1020 |
|
1021 |
err = dsound_open (s); |
1022 |
if (err) {
|
1023 |
dsound_audio_fini (s); |
1024 |
return NULL; |
1025 |
} |
1026 |
|
1027 |
return s;
|
1028 |
} |
1029 |
|
1030 |
static struct audio_option dsound_options[] = { |
1031 |
{"LOCK_RETRIES", AUD_OPT_INT, &conf.lock_retries,
|
1032 |
"Number of times to attempt locking the buffer", NULL, 0}, |
1033 |
{"RESTOURE_RETRIES", AUD_OPT_INT, &conf.restore_retries,
|
1034 |
"Number of times to attempt restoring the buffer", NULL, 0}, |
1035 |
{"GETSTATUS_RETRIES", AUD_OPT_INT, &conf.getstatus_retries,
|
1036 |
"Number of times to attempt getting status of the buffer", NULL, 0}, |
1037 |
{"SET_PRIMARY", AUD_OPT_BOOL, &conf.set_primary,
|
1038 |
"Set the parameters of primary buffer", NULL, 0}, |
1039 |
{"LATENCY_MILLIS", AUD_OPT_INT, &conf.latency_millis,
|
1040 |
"(undocumented)", NULL, 0}, |
1041 |
{"PRIMARY_FREQ", AUD_OPT_INT, &conf.settings.freq,
|
1042 |
"Primary buffer frequency", NULL, 0}, |
1043 |
{"PRIMARY_CHANNELS", AUD_OPT_INT, &conf.settings.nchannels,
|
1044 |
"Primary buffer number of channels (1 - mono, 2 - stereo)", NULL, 0}, |
1045 |
{"PRIMARY_FMT", AUD_OPT_FMT, &conf.settings.fmt,
|
1046 |
"Primary buffer format", NULL, 0}, |
1047 |
{"BUFSIZE_OUT", AUD_OPT_INT, &conf.bufsize_out,
|
1048 |
"(undocumented)", NULL, 0}, |
1049 |
{"BUFSIZE_IN", AUD_OPT_INT, &conf.bufsize_in,
|
1050 |
"(undocumented)", NULL, 0}, |
1051 |
{NULL, 0, NULL, NULL, NULL, 0} |
1052 |
}; |
1053 |
|
1054 |
static struct audio_pcm_ops dsound_pcm_ops = { |
1055 |
dsound_init_out, |
1056 |
dsound_fini_out, |
1057 |
dsound_run_out, |
1058 |
dsound_write, |
1059 |
dsound_ctl_out, |
1060 |
|
1061 |
dsound_init_in, |
1062 |
dsound_fini_in, |
1063 |
dsound_run_in, |
1064 |
dsound_read, |
1065 |
dsound_ctl_in |
1066 |
}; |
1067 |
|
1068 |
struct audio_driver dsound_audio_driver = {
|
1069 |
INIT_FIELD (name = ) "dsound",
|
1070 |
INIT_FIELD (descr = ) |
1071 |
"DirectSound http://wikipedia.org/wiki/DirectSound",
|
1072 |
INIT_FIELD (options = ) dsound_options, |
1073 |
INIT_FIELD (init = ) dsound_audio_init, |
1074 |
INIT_FIELD (fini = ) dsound_audio_fini, |
1075 |
INIT_FIELD (pcm_ops = ) &dsound_pcm_ops, |
1076 |
INIT_FIELD (can_be_default = ) 1,
|
1077 |
INIT_FIELD (max_voices_out = ) INT_MAX, |
1078 |
INIT_FIELD (max_voices_in = ) 1,
|
1079 |
INIT_FIELD (voice_size_out = ) sizeof (DSoundVoiceOut),
|
1080 |
INIT_FIELD (voice_size_in = ) sizeof (DSoundVoiceIn)
|
1081 |
}; |