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1d14ffa9 FB |
1 | /* |
2 | * QEMU OS X CoreAudio audio driver | |
3 | * | |
4 | * Copyright (c) 2005 Mike Kronenberg | |
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 | #include <CoreAudio/CoreAudio.h> | |
26 | #include <string.h> /* strerror */ | |
27 | #include <pthread.h> /* pthread_X */ | |
28 | ||
749bc4bf PB |
29 | #include "qemu-common.h" |
30 | #include "audio.h" | |
1d14ffa9 FB |
31 | |
32 | #define AUDIO_CAP "coreaudio" | |
33 | #include "audio_int.h" | |
34 | ||
1d14ffa9 FB |
35 | struct { |
36 | int buffer_frames; | |
e59c1139 | 37 | int nbuffers; |
5e941d4b | 38 | int isAtexit; |
1d14ffa9 | 39 | } conf = { |
5e941d4b | 40 | .buffer_frames = 512, |
e59c1139 | 41 | .nbuffers = 4, |
5e941d4b | 42 | .isAtexit = 0 |
1d14ffa9 FB |
43 | }; |
44 | ||
45 | typedef struct coreaudioVoiceOut { | |
46 | HWVoiceOut hw; | |
47 | pthread_mutex_t mutex; | |
5e941d4b | 48 | int isAtexit; |
1d14ffa9 | 49 | AudioDeviceID outputDeviceID; |
5e941d4b | 50 | UInt32 audioDevicePropertyBufferFrameSize; |
1d14ffa9 | 51 | AudioStreamBasicDescription outputStreamBasicDescription; |
1d14ffa9 FB |
52 | int live; |
53 | int decr; | |
54 | int rpos; | |
55 | } coreaudioVoiceOut; | |
56 | ||
57 | static void coreaudio_logstatus (OSStatus status) | |
58 | { | |
59 | char *str = "BUG"; | |
60 | ||
61 | switch(status) { | |
62 | case kAudioHardwareNoError: | |
63 | str = "kAudioHardwareNoError"; | |
64 | break; | |
65 | ||
66 | case kAudioHardwareNotRunningError: | |
67 | str = "kAudioHardwareNotRunningError"; | |
68 | break; | |
69 | ||
70 | case kAudioHardwareUnspecifiedError: | |
71 | str = "kAudioHardwareUnspecifiedError"; | |
72 | break; | |
73 | ||
74 | case kAudioHardwareUnknownPropertyError: | |
75 | str = "kAudioHardwareUnknownPropertyError"; | |
76 | break; | |
77 | ||
78 | case kAudioHardwareBadPropertySizeError: | |
79 | str = "kAudioHardwareBadPropertySizeError"; | |
80 | break; | |
81 | ||
82 | case kAudioHardwareIllegalOperationError: | |
83 | str = "kAudioHardwareIllegalOperationError"; | |
84 | break; | |
85 | ||
86 | case kAudioHardwareBadDeviceError: | |
87 | str = "kAudioHardwareBadDeviceError"; | |
88 | break; | |
89 | ||
90 | case kAudioHardwareBadStreamError: | |
91 | str = "kAudioHardwareBadStreamError"; | |
92 | break; | |
93 | ||
94 | case kAudioHardwareUnsupportedOperationError: | |
95 | str = "kAudioHardwareUnsupportedOperationError"; | |
96 | break; | |
97 | ||
98 | case kAudioDeviceUnsupportedFormatError: | |
99 | str = "kAudioDeviceUnsupportedFormatError"; | |
100 | break; | |
101 | ||
102 | case kAudioDevicePermissionsError: | |
103 | str = "kAudioDevicePermissionsError"; | |
104 | break; | |
105 | ||
106 | default: | |
107 | AUD_log (AUDIO_CAP, "Reason: status code %ld\n", status); | |
108 | return; | |
109 | } | |
110 | ||
111 | AUD_log (AUDIO_CAP, "Reason: %s\n", str); | |
112 | } | |
113 | ||
114 | static void GCC_FMT_ATTR (2, 3) coreaudio_logerr ( | |
115 | OSStatus status, | |
116 | const char *fmt, | |
117 | ... | |
118 | ) | |
119 | { | |
120 | va_list ap; | |
121 | ||
122 | va_start (ap, fmt); | |
123 | AUD_log (AUDIO_CAP, fmt, ap); | |
124 | va_end (ap); | |
125 | ||
126 | coreaudio_logstatus (status); | |
127 | } | |
128 | ||
129 | static void GCC_FMT_ATTR (3, 4) coreaudio_logerr2 ( | |
130 | OSStatus status, | |
131 | const char *typ, | |
132 | const char *fmt, | |
133 | ... | |
134 | ) | |
135 | { | |
136 | va_list ap; | |
137 | ||
c0fe3827 | 138 | AUD_log (AUDIO_CAP, "Could not initialize %s\n", typ); |
1d14ffa9 FB |
139 | |
140 | va_start (ap, fmt); | |
141 | AUD_vlog (AUDIO_CAP, fmt, ap); | |
142 | va_end (ap); | |
143 | ||
144 | coreaudio_logstatus (status); | |
145 | } | |
146 | ||
5e941d4b FB |
147 | static inline UInt32 isPlaying (AudioDeviceID outputDeviceID) |
148 | { | |
149 | OSStatus status; | |
150 | UInt32 result = 0; | |
151 | UInt32 propertySize = sizeof(outputDeviceID); | |
152 | status = AudioDeviceGetProperty( | |
153 | outputDeviceID, 0, 0, | |
154 | kAudioDevicePropertyDeviceIsRunning, &propertySize, &result); | |
155 | if (status != kAudioHardwareNoError) { | |
156 | coreaudio_logerr(status, | |
157 | "Could not determine whether Device is playing\n"); | |
158 | } | |
159 | return result; | |
160 | } | |
161 | ||
162 | static void coreaudio_atexit (void) | |
163 | { | |
164 | conf.isAtexit = 1; | |
165 | } | |
166 | ||
1d14ffa9 FB |
167 | static int coreaudio_lock (coreaudioVoiceOut *core, const char *fn_name) |
168 | { | |
169 | int err; | |
170 | ||
171 | err = pthread_mutex_lock (&core->mutex); | |
172 | if (err) { | |
c0fe3827 | 173 | dolog ("Could not lock voice for %s\nReason: %s\n", |
1d14ffa9 FB |
174 | fn_name, strerror (err)); |
175 | return -1; | |
176 | } | |
177 | return 0; | |
178 | } | |
179 | ||
180 | static int coreaudio_unlock (coreaudioVoiceOut *core, const char *fn_name) | |
181 | { | |
182 | int err; | |
183 | ||
184 | err = pthread_mutex_unlock (&core->mutex); | |
185 | if (err) { | |
c0fe3827 | 186 | dolog ("Could not unlock voice for %s\nReason: %s\n", |
1d14ffa9 FB |
187 | fn_name, strerror (err)); |
188 | return -1; | |
189 | } | |
190 | return 0; | |
191 | } | |
192 | ||
193 | static int coreaudio_run_out (HWVoiceOut *hw) | |
194 | { | |
195 | int live, decr; | |
196 | coreaudioVoiceOut *core = (coreaudioVoiceOut *) hw; | |
197 | ||
198 | if (coreaudio_lock (core, "coreaudio_run_out")) { | |
199 | return 0; | |
200 | } | |
201 | ||
202 | live = audio_pcm_hw_get_live_out (hw); | |
203 | ||
204 | if (core->decr > live) { | |
205 | ldebug ("core->decr %d live %d core->live %d\n", | |
206 | core->decr, | |
207 | live, | |
208 | core->live); | |
209 | } | |
210 | ||
211 | decr = audio_MIN (core->decr, live); | |
212 | core->decr -= decr; | |
213 | ||
214 | core->live = live - decr; | |
215 | hw->rpos = core->rpos; | |
216 | ||
217 | coreaudio_unlock (core, "coreaudio_run_out"); | |
218 | return decr; | |
219 | } | |
220 | ||
221 | /* callback to feed audiooutput buffer */ | |
222 | static OSStatus audioDeviceIOProc( | |
223 | AudioDeviceID inDevice, | |
224 | const AudioTimeStamp* inNow, | |
225 | const AudioBufferList* inInputData, | |
226 | const AudioTimeStamp* inInputTime, | |
227 | AudioBufferList* outOutputData, | |
228 | const AudioTimeStamp* inOutputTime, | |
229 | void* hwptr) | |
230 | { | |
5e941d4b | 231 | UInt32 frame, frameCount; |
1d14ffa9 FB |
232 | float *out = outOutputData->mBuffers[0].mData; |
233 | HWVoiceOut *hw = hwptr; | |
234 | coreaudioVoiceOut *core = (coreaudioVoiceOut *) hwptr; | |
235 | int rpos, live; | |
1ea879e5 | 236 | struct st_sample *src; |
1d14ffa9 FB |
237 | #ifndef FLOAT_MIXENG |
238 | #ifdef RECIPROCAL | |
239 | const float scale = 1.f / UINT_MAX; | |
240 | #else | |
241 | const float scale = UINT_MAX; | |
242 | #endif | |
243 | #endif | |
244 | ||
245 | if (coreaudio_lock (core, "audioDeviceIOProc")) { | |
246 | inInputTime = 0; | |
247 | return 0; | |
248 | } | |
249 | ||
5e941d4b | 250 | frameCount = core->audioDevicePropertyBufferFrameSize; |
1d14ffa9 FB |
251 | live = core->live; |
252 | ||
253 | /* if there are not enough samples, set signal and return */ | |
254 | if (live < frameCount) { | |
255 | inInputTime = 0; | |
256 | coreaudio_unlock (core, "audioDeviceIOProc(empty)"); | |
257 | return 0; | |
258 | } | |
259 | ||
260 | rpos = core->rpos; | |
261 | src = hw->mix_buf + rpos; | |
262 | ||
263 | /* fill buffer */ | |
264 | for (frame = 0; frame < frameCount; frame++) { | |
265 | #ifdef FLOAT_MIXENG | |
266 | *out++ = src[frame].l; /* left channel */ | |
267 | *out++ = src[frame].r; /* right channel */ | |
268 | #else | |
269 | #ifdef RECIPROCAL | |
270 | *out++ = src[frame].l * scale; /* left channel */ | |
271 | *out++ = src[frame].r * scale; /* right channel */ | |
272 | #else | |
273 | *out++ = src[frame].l / scale; /* left channel */ | |
274 | *out++ = src[frame].r / scale; /* right channel */ | |
275 | #endif | |
276 | #endif | |
277 | } | |
278 | ||
1d14ffa9 | 279 | rpos = (rpos + frameCount) % hw->samples; |
5e941d4b | 280 | core->decr += frameCount; |
1d14ffa9 FB |
281 | core->rpos = rpos; |
282 | ||
283 | coreaudio_unlock (core, "audioDeviceIOProc"); | |
284 | return 0; | |
285 | } | |
286 | ||
287 | static int coreaudio_write (SWVoiceOut *sw, void *buf, int len) | |
288 | { | |
289 | return audio_pcm_sw_write (sw, buf, len); | |
290 | } | |
291 | ||
1ea879e5 | 292 | static int coreaudio_init_out (HWVoiceOut *hw, struct audsettings *as) |
1d14ffa9 FB |
293 | { |
294 | OSStatus status; | |
295 | coreaudioVoiceOut *core = (coreaudioVoiceOut *) hw; | |
296 | UInt32 propertySize; | |
297 | int err; | |
5e941d4b FB |
298 | const char *typ = "playback"; |
299 | AudioValueRange frameRange; | |
1d14ffa9 FB |
300 | |
301 | /* create mutex */ | |
302 | err = pthread_mutex_init(&core->mutex, NULL); | |
303 | if (err) { | |
c0fe3827 | 304 | dolog("Could not create mutex\nReason: %s\n", strerror (err)); |
1d14ffa9 FB |
305 | return -1; |
306 | } | |
307 | ||
d929eba5 | 308 | audio_pcm_init_info (&hw->info, as); |
1d14ffa9 FB |
309 | |
310 | /* open default output device */ | |
311 | propertySize = sizeof(core->outputDeviceID); | |
312 | status = AudioHardwareGetProperty( | |
313 | kAudioHardwarePropertyDefaultOutputDevice, | |
314 | &propertySize, | |
315 | &core->outputDeviceID); | |
316 | if (status != kAudioHardwareNoError) { | |
317 | coreaudio_logerr2 (status, typ, | |
c0fe3827 | 318 | "Could not get default output Device\n"); |
1d14ffa9 FB |
319 | return -1; |
320 | } | |
321 | if (core->outputDeviceID == kAudioDeviceUnknown) { | |
c0fe3827 | 322 | dolog ("Could not initialize %s - Unknown Audiodevice\n", typ); |
1d14ffa9 FB |
323 | return -1; |
324 | } | |
325 | ||
5e941d4b FB |
326 | /* get minimum and maximum buffer frame sizes */ |
327 | propertySize = sizeof(frameRange); | |
328 | status = AudioDeviceGetProperty( | |
329 | core->outputDeviceID, | |
330 | 0, | |
331 | 0, | |
332 | kAudioDevicePropertyBufferFrameSizeRange, | |
333 | &propertySize, | |
334 | &frameRange); | |
335 | if (status != kAudioHardwareNoError) { | |
336 | coreaudio_logerr2 (status, typ, | |
337 | "Could not get device buffer frame range\n"); | |
338 | return -1; | |
339 | } | |
340 | ||
341 | if (frameRange.mMinimum > conf.buffer_frames) { | |
342 | core->audioDevicePropertyBufferFrameSize = (UInt32) frameRange.mMinimum; | |
343 | dolog ("warning: Upsizing Buffer Frames to %f\n", frameRange.mMinimum); | |
344 | } | |
345 | else if (frameRange.mMaximum < conf.buffer_frames) { | |
346 | core->audioDevicePropertyBufferFrameSize = (UInt32) frameRange.mMaximum; | |
347 | dolog ("warning: Downsizing Buffer Frames to %f\n", frameRange.mMaximum); | |
348 | } | |
349 | else { | |
350 | core->audioDevicePropertyBufferFrameSize = conf.buffer_frames; | |
351 | } | |
352 | ||
353 | /* set Buffer Frame Size */ | |
354 | propertySize = sizeof(core->audioDevicePropertyBufferFrameSize); | |
1d14ffa9 FB |
355 | status = AudioDeviceSetProperty( |
356 | core->outputDeviceID, | |
357 | NULL, | |
358 | 0, | |
359 | false, | |
5e941d4b | 360 | kAudioDevicePropertyBufferFrameSize, |
1d14ffa9 | 361 | propertySize, |
5e941d4b | 362 | &core->audioDevicePropertyBufferFrameSize); |
1d14ffa9 FB |
363 | if (status != kAudioHardwareNoError) { |
364 | coreaudio_logerr2 (status, typ, | |
5e941d4b FB |
365 | "Could not set device buffer frame size %ld\n", |
366 | core->audioDevicePropertyBufferFrameSize); | |
1d14ffa9 FB |
367 | return -1; |
368 | } | |
369 | ||
5e941d4b FB |
370 | /* get Buffer Frame Size */ |
371 | propertySize = sizeof(core->audioDevicePropertyBufferFrameSize); | |
1d14ffa9 FB |
372 | status = AudioDeviceGetProperty( |
373 | core->outputDeviceID, | |
374 | 0, | |
375 | false, | |
5e941d4b | 376 | kAudioDevicePropertyBufferFrameSize, |
1d14ffa9 | 377 | &propertySize, |
5e941d4b | 378 | &core->audioDevicePropertyBufferFrameSize); |
1d14ffa9 | 379 | if (status != kAudioHardwareNoError) { |
5e941d4b FB |
380 | coreaudio_logerr2 (status, typ, |
381 | "Could not get device buffer frame size\n"); | |
1d14ffa9 FB |
382 | return -1; |
383 | } | |
e59c1139 | 384 | hw->samples = conf.nbuffers * core->audioDevicePropertyBufferFrameSize; |
1d14ffa9 FB |
385 | |
386 | /* get StreamFormat */ | |
387 | propertySize = sizeof(core->outputStreamBasicDescription); | |
388 | status = AudioDeviceGetProperty( | |
389 | core->outputDeviceID, | |
390 | 0, | |
391 | false, | |
392 | kAudioDevicePropertyStreamFormat, | |
393 | &propertySize, | |
394 | &core->outputStreamBasicDescription); | |
395 | if (status != kAudioHardwareNoError) { | |
396 | coreaudio_logerr2 (status, typ, | |
c0fe3827 | 397 | "Could not get Device Stream properties\n"); |
1d14ffa9 FB |
398 | core->outputDeviceID = kAudioDeviceUnknown; |
399 | return -1; | |
400 | } | |
401 | ||
402 | /* set Samplerate */ | |
5e941d4b | 403 | core->outputStreamBasicDescription.mSampleRate = (Float64) as->freq; |
1d14ffa9 FB |
404 | propertySize = sizeof(core->outputStreamBasicDescription); |
405 | status = AudioDeviceSetProperty( | |
406 | core->outputDeviceID, | |
407 | 0, | |
408 | 0, | |
409 | 0, | |
410 | kAudioDevicePropertyStreamFormat, | |
411 | propertySize, | |
412 | &core->outputStreamBasicDescription); | |
413 | if (status != kAudioHardwareNoError) { | |
575b5dc4 FB |
414 | coreaudio_logerr2 (status, typ, "Could not set samplerate %d\n", |
415 | as->freq); | |
1d14ffa9 FB |
416 | core->outputDeviceID = kAudioDeviceUnknown; |
417 | return -1; | |
418 | } | |
419 | ||
420 | /* set Callback */ | |
421 | status = AudioDeviceAddIOProc(core->outputDeviceID, audioDeviceIOProc, hw); | |
422 | if (status != kAudioHardwareNoError) { | |
c0fe3827 | 423 | coreaudio_logerr2 (status, typ, "Could not set IOProc\n"); |
1d14ffa9 FB |
424 | core->outputDeviceID = kAudioDeviceUnknown; |
425 | return -1; | |
426 | } | |
427 | ||
428 | /* start Playback */ | |
5e941d4b | 429 | if (!isPlaying(core->outputDeviceID)) { |
1d14ffa9 FB |
430 | status = AudioDeviceStart(core->outputDeviceID, audioDeviceIOProc); |
431 | if (status != kAudioHardwareNoError) { | |
c0fe3827 | 432 | coreaudio_logerr2 (status, typ, "Could not start playback\n"); |
1d14ffa9 FB |
433 | AudioDeviceRemoveIOProc(core->outputDeviceID, audioDeviceIOProc); |
434 | core->outputDeviceID = kAudioDeviceUnknown; | |
435 | return -1; | |
436 | } | |
1d14ffa9 FB |
437 | } |
438 | ||
439 | return 0; | |
440 | } | |
441 | ||
442 | static void coreaudio_fini_out (HWVoiceOut *hw) | |
443 | { | |
444 | OSStatus status; | |
445 | int err; | |
446 | coreaudioVoiceOut *core = (coreaudioVoiceOut *) hw; | |
447 | ||
5e941d4b FB |
448 | if (!conf.isAtexit) { |
449 | /* stop playback */ | |
450 | if (isPlaying(core->outputDeviceID)) { | |
451 | status = AudioDeviceStop(core->outputDeviceID, audioDeviceIOProc); | |
452 | if (status != kAudioHardwareNoError) { | |
453 | coreaudio_logerr (status, "Could not stop playback\n"); | |
454 | } | |
1d14ffa9 | 455 | } |
1d14ffa9 | 456 | |
5e941d4b FB |
457 | /* remove callback */ |
458 | status = AudioDeviceRemoveIOProc(core->outputDeviceID, | |
459 | audioDeviceIOProc); | |
460 | if (status != kAudioHardwareNoError) { | |
461 | coreaudio_logerr (status, "Could not remove IOProc\n"); | |
462 | } | |
1d14ffa9 FB |
463 | } |
464 | core->outputDeviceID = kAudioDeviceUnknown; | |
465 | ||
466 | /* destroy mutex */ | |
467 | err = pthread_mutex_destroy(&core->mutex); | |
468 | if (err) { | |
c0fe3827 | 469 | dolog("Could not destroy mutex\nReason: %s\n", strerror (err)); |
1d14ffa9 FB |
470 | } |
471 | } | |
472 | ||
473 | static int coreaudio_ctl_out (HWVoiceOut *hw, int cmd, ...) | |
474 | { | |
475 | OSStatus status; | |
476 | coreaudioVoiceOut *core = (coreaudioVoiceOut *) hw; | |
477 | ||
478 | switch (cmd) { | |
479 | case VOICE_ENABLE: | |
480 | /* start playback */ | |
5e941d4b | 481 | if (!isPlaying(core->outputDeviceID)) { |
1d14ffa9 FB |
482 | status = AudioDeviceStart(core->outputDeviceID, audioDeviceIOProc); |
483 | if (status != kAudioHardwareNoError) { | |
5e941d4b | 484 | coreaudio_logerr (status, "Could not resume playback\n"); |
1d14ffa9 | 485 | } |
1d14ffa9 FB |
486 | } |
487 | break; | |
488 | ||
489 | case VOICE_DISABLE: | |
490 | /* stop playback */ | |
5e941d4b FB |
491 | if (!conf.isAtexit) { |
492 | if (isPlaying(core->outputDeviceID)) { | |
493 | status = AudioDeviceStop(core->outputDeviceID, audioDeviceIOProc); | |
494 | if (status != kAudioHardwareNoError) { | |
495 | coreaudio_logerr (status, "Could not pause playback\n"); | |
496 | } | |
1d14ffa9 | 497 | } |
1d14ffa9 FB |
498 | } |
499 | break; | |
500 | } | |
501 | return 0; | |
502 | } | |
503 | ||
504 | static void *coreaudio_audio_init (void) | |
505 | { | |
5e941d4b | 506 | atexit(coreaudio_atexit); |
1d14ffa9 FB |
507 | return &coreaudio_audio_init; |
508 | } | |
509 | ||
510 | static void coreaudio_audio_fini (void *opaque) | |
511 | { | |
512 | (void) opaque; | |
513 | } | |
514 | ||
515 | static struct audio_option coreaudio_options[] = { | |
98f9f48c | 516 | { |
517 | .name = "BUFFER_SIZE", | |
518 | .tag = AUD_OPT_INT, | |
519 | .valp = &conf.buffer_frames, | |
520 | .descr = "Size of the buffer in frames" | |
521 | }, | |
522 | { | |
523 | .name = "BUFFER_COUNT", | |
524 | .tag = AUD_OPT_INT, | |
525 | .valp = &conf.nbuffers, | |
526 | .descr = "Number of buffers" | |
527 | }, | |
2700efa3 | 528 | { /* End of list */ } |
1d14ffa9 FB |
529 | }; |
530 | ||
35f4b58c | 531 | static struct audio_pcm_ops coreaudio_pcm_ops = { |
1dd3e4d1 JQ |
532 | .init_out = coreaudio_init_out, |
533 | .fini_out = coreaudio_fini_out, | |
534 | .run_out = coreaudio_run_out, | |
535 | .write = coreaudio_write, | |
536 | .ctl_out = coreaudio_ctl_out | |
1d14ffa9 FB |
537 | }; |
538 | ||
539 | struct audio_driver coreaudio_audio_driver = { | |
bee37f32 JQ |
540 | .name = "coreaudio", |
541 | .descr = "CoreAudio http://developer.apple.com/audio/coreaudio.html", | |
542 | .options = coreaudio_options, | |
543 | .init = coreaudio_audio_init, | |
544 | .fini = coreaudio_audio_fini, | |
545 | .pcm_ops = &coreaudio_pcm_ops, | |
546 | .can_be_default = 1, | |
547 | .max_voices_out = 1, | |
548 | .max_voices_in = 0, | |
549 | .voice_size_out = sizeof (coreaudioVoiceOut), | |
550 | .voice_size_in = 0 | |
1d14ffa9 | 551 | }; |