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Commit | Line | Data |
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1d14ffa9 FB |
1 | /* |
2 | * QEMU Audio subsystem header | |
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 | #ifdef DAC | |
571ec3d6 FB |
26 | #define NAME "playback" |
27 | #define HWBUF hw->mix_buf | |
1d14ffa9 | 28 | #define TYPE out |
571ec3d6 FB |
29 | #define HW HWVoiceOut |
30 | #define SW SWVoiceOut | |
1d14ffa9 | 31 | #else |
571ec3d6 | 32 | #define NAME "capture" |
1d14ffa9 | 33 | #define TYPE in |
571ec3d6 FB |
34 | #define HW HWVoiceIn |
35 | #define SW SWVoiceIn | |
36 | #define HWBUF hw->conv_buf | |
1d14ffa9 FB |
37 | #endif |
38 | ||
526fb058 KZ |
39 | static void glue(audio_init_nb_voices_, TYPE)(AudioState *s, |
40 | struct audio_driver *drv) | |
c0fe3827 | 41 | { |
571ec3d6 FB |
42 | int max_voices = glue (drv->max_voices_, TYPE); |
43 | int voice_size = glue (drv->voice_size_, TYPE); | |
c0fe3827 | 44 | |
571ec3d6 FB |
45 | if (glue (s->nb_hw_voices_, TYPE) > max_voices) { |
46 | if (!max_voices) { | |
47 | #ifdef DAC | |
48 | dolog ("Driver `%s' does not support " NAME "\n", drv->name); | |
49 | #endif | |
50 | } | |
51 | else { | |
52 | dolog ("Driver `%s' does not support %d " NAME " voices, max %d\n", | |
53 | drv->name, | |
54 | glue (s->nb_hw_voices_, TYPE), | |
55 | max_voices); | |
56 | } | |
57 | glue (s->nb_hw_voices_, TYPE) = max_voices; | |
c0fe3827 FB |
58 | } |
59 | ||
470bcabd | 60 | if (audio_bug(__func__, !voice_size && max_voices)) { |
571ec3d6 FB |
61 | dolog ("drv=`%s' voice_size=0 max_voices=%d\n", |
62 | drv->name, max_voices); | |
63 | glue (s->nb_hw_voices_, TYPE) = 0; | |
64 | } | |
65 | ||
470bcabd | 66 | if (audio_bug(__func__, voice_size && !max_voices)) { |
571ec3d6 FB |
67 | dolog ("drv=`%s' voice_size=%d max_voices=0\n", |
68 | drv->name, voice_size); | |
69 | } | |
70 | } | |
71 | ||
72 | static void glue (audio_pcm_hw_free_resources_, TYPE) (HW *hw) | |
73 | { | |
fb7da626 | 74 | g_free (HWBUF); |
571ec3d6 FB |
75 | HWBUF = NULL; |
76 | } | |
77 | ||
78 | static int glue (audio_pcm_hw_alloc_resources_, TYPE) (HW *hw) | |
79 | { | |
470bcabd | 80 | HWBUF = audio_calloc(__func__, hw->samples, sizeof(struct st_sample)); |
571ec3d6 FB |
81 | if (!HWBUF) { |
82 | dolog ("Could not allocate " NAME " buffer (%d samples)\n", | |
83 | hw->samples); | |
c0fe3827 FB |
84 | return -1; |
85 | } | |
86 | ||
571ec3d6 FB |
87 | return 0; |
88 | } | |
89 | ||
90 | static void glue (audio_pcm_sw_free_resources_, TYPE) (SW *sw) | |
91 | { | |
fb7da626 | 92 | g_free (sw->buf); |
571ec3d6 FB |
93 | |
94 | if (sw->rate) { | |
95 | st_rate_stop (sw->rate); | |
96 | } | |
97 | ||
98 | sw->buf = NULL; | |
99 | sw->rate = NULL; | |
100 | } | |
101 | ||
102 | static int glue (audio_pcm_sw_alloc_resources_, TYPE) (SW *sw) | |
103 | { | |
104 | int samples; | |
105 | ||
571ec3d6 | 106 | samples = ((int64_t) sw->hw->samples << 32) / sw->ratio; |
c0fe3827 | 107 | |
470bcabd | 108 | sw->buf = audio_calloc(__func__, samples, sizeof(struct st_sample)); |
571ec3d6 FB |
109 | if (!sw->buf) { |
110 | dolog ("Could not allocate buffer for `%s' (%d samples)\n", | |
111 | SW_NAME (sw), samples); | |
c0fe3827 FB |
112 | return -1; |
113 | } | |
114 | ||
571ec3d6 FB |
115 | #ifdef DAC |
116 | sw->rate = st_rate_start (sw->info.freq, sw->hw->info.freq); | |
117 | #else | |
118 | sw->rate = st_rate_start (sw->hw->info.freq, sw->info.freq); | |
119 | #endif | |
120 | if (!sw->rate) { | |
7267c094 | 121 | g_free (sw->buf); |
571ec3d6 FB |
122 | sw->buf = NULL; |
123 | return -1; | |
124 | } | |
c0fe3827 FB |
125 | return 0; |
126 | } | |
127 | ||
571ec3d6 FB |
128 | static int glue (audio_pcm_sw_init_, TYPE) ( |
129 | SW *sw, | |
130 | HW *hw, | |
131 | const char *name, | |
1ea879e5 | 132 | struct audsettings *as |
571ec3d6 FB |
133 | ) |
134 | { | |
135 | int err; | |
136 | ||
d929eba5 | 137 | audio_pcm_init_info (&sw->info, as); |
571ec3d6 FB |
138 | sw->hw = hw; |
139 | sw->active = 0; | |
140 | #ifdef DAC | |
141 | sw->ratio = ((int64_t) sw->hw->info.freq << 32) / sw->info.freq; | |
142 | sw->total_hw_samples_mixed = 0; | |
143 | sw->empty = 1; | |
144 | #else | |
145 | sw->ratio = ((int64_t) sw->info.freq << 32) / sw->hw->info.freq; | |
146 | #endif | |
147 | ||
148 | #ifdef DAC | |
149 | sw->conv = mixeng_conv | |
150 | #else | |
151 | sw->clip = mixeng_clip | |
152 | #endif | |
153 | [sw->info.nchannels == 2] | |
154 | [sw->info.sign] | |
d929eba5 | 155 | [sw->info.swap_endianness] |
f941aa25 | 156 | [audio_bits_to_index (sw->info.bits)]; |
571ec3d6 | 157 | |
7267c094 | 158 | sw->name = g_strdup (name); |
571ec3d6 FB |
159 | err = glue (audio_pcm_sw_alloc_resources_, TYPE) (sw); |
160 | if (err) { | |
7267c094 | 161 | g_free (sw->name); |
571ec3d6 FB |
162 | sw->name = NULL; |
163 | } | |
164 | return err; | |
165 | } | |
166 | ||
1d14ffa9 FB |
167 | static void glue (audio_pcm_sw_fini_, TYPE) (SW *sw) |
168 | { | |
169 | glue (audio_pcm_sw_free_resources_, TYPE) (sw); | |
fb7da626 MA |
170 | g_free (sw->name); |
171 | sw->name = NULL; | |
1d14ffa9 FB |
172 | } |
173 | ||
174 | static void glue (audio_pcm_hw_add_sw_, TYPE) (HW *hw, SW *sw) | |
175 | { | |
72cf2d4f | 176 | QLIST_INSERT_HEAD (&hw->sw_head, sw, entries); |
1d14ffa9 FB |
177 | } |
178 | ||
179 | static void glue (audio_pcm_hw_del_sw_, TYPE) (SW *sw) | |
180 | { | |
72cf2d4f | 181 | QLIST_REMOVE (sw, entries); |
1d14ffa9 FB |
182 | } |
183 | ||
1a7dafce | 184 | static void glue (audio_pcm_hw_gc_, TYPE) (HW **hwp) |
1d14ffa9 | 185 | { |
c0fe3827 | 186 | HW *hw = *hwp; |
526fb058 | 187 | AudioState *s = hw->s; |
1d14ffa9 | 188 | |
1d14ffa9 | 189 | if (!hw->sw_head.lh_first) { |
8ead62cf FB |
190 | #ifdef DAC |
191 | audio_detach_capture (hw); | |
192 | #endif | |
72cf2d4f | 193 | QLIST_REMOVE (hw, entries); |
b28fb27b | 194 | glue (hw->pcm_ops->fini_, TYPE) (hw); |
c0fe3827 FB |
195 | glue (s->nb_hw_voices_, TYPE) += 1; |
196 | glue (audio_pcm_hw_free_resources_ ,TYPE) (hw); | |
7267c094 | 197 | g_free (hw); |
c0fe3827 | 198 | *hwp = NULL; |
1d14ffa9 FB |
199 | } |
200 | } | |
201 | ||
526fb058 | 202 | static HW *glue(audio_pcm_hw_find_any_, TYPE)(AudioState *s, HW *hw) |
1d14ffa9 | 203 | { |
1a7dafce | 204 | return hw ? hw->entries.le_next : glue (s->hw_head_, TYPE).lh_first; |
1d14ffa9 FB |
205 | } |
206 | ||
526fb058 | 207 | static HW *glue(audio_pcm_hw_find_any_enabled_, TYPE)(AudioState *s, HW *hw) |
1d14ffa9 | 208 | { |
526fb058 | 209 | while ((hw = glue(audio_pcm_hw_find_any_, TYPE)(s, hw))) { |
c0fe3827 | 210 | if (hw->enabled) { |
1d14ffa9 FB |
211 | return hw; |
212 | } | |
213 | } | |
214 | return NULL; | |
215 | } | |
216 | ||
526fb058 KZ |
217 | static HW *glue(audio_pcm_hw_find_specific_, TYPE)(AudioState *s, HW *hw, |
218 | struct audsettings *as) | |
1d14ffa9 | 219 | { |
526fb058 | 220 | while ((hw = glue(audio_pcm_hw_find_any_, TYPE)(s, hw))) { |
c0fe3827 | 221 | if (audio_pcm_info_eq (&hw->info, as)) { |
1d14ffa9 FB |
222 | return hw; |
223 | } | |
224 | } | |
225 | return NULL; | |
226 | } | |
227 | ||
526fb058 KZ |
228 | static HW *glue(audio_pcm_hw_add_new_, TYPE)(AudioState *s, |
229 | struct audsettings *as) | |
1d14ffa9 FB |
230 | { |
231 | HW *hw; | |
571ec3d6 | 232 | struct audio_driver *drv = s->drv; |
1d14ffa9 | 233 | |
571ec3d6 FB |
234 | if (!glue (s->nb_hw_voices_, TYPE)) { |
235 | return NULL; | |
236 | } | |
1d14ffa9 | 237 | |
470bcabd | 238 | if (audio_bug(__func__, !drv)) { |
571ec3d6 FB |
239 | dolog ("No host audio driver\n"); |
240 | return NULL; | |
1d14ffa9 FB |
241 | } |
242 | ||
470bcabd | 243 | if (audio_bug(__func__, !drv->pcm_ops)) { |
571ec3d6 FB |
244 | dolog ("Host audio driver without pcm_ops\n"); |
245 | return NULL; | |
246 | } | |
247 | ||
470bcabd | 248 | hw = audio_calloc(__func__, 1, glue(drv->voice_size_, TYPE)); |
571ec3d6 FB |
249 | if (!hw) { |
250 | dolog ("Can not allocate voice `%s' size %d\n", | |
251 | drv->name, glue (drv->voice_size_, TYPE)); | |
252 | return NULL; | |
253 | } | |
254 | ||
526fb058 | 255 | hw->s = s; |
571ec3d6 | 256 | hw->pcm_ops = drv->pcm_ops; |
c01b2456 MAL |
257 | hw->ctl_caps = drv->ctl_caps; |
258 | ||
72cf2d4f | 259 | QLIST_INIT (&hw->sw_head); |
8ead62cf | 260 | #ifdef DAC |
72cf2d4f | 261 | QLIST_INIT (&hw->cap_head); |
8ead62cf | 262 | #endif |
5706db1d | 263 | if (glue (hw->pcm_ops->init_, TYPE) (hw, as, s->drv_opaque)) { |
571ec3d6 FB |
264 | goto err0; |
265 | } | |
266 | ||
470bcabd | 267 | if (audio_bug(__func__, hw->samples <= 0)) { |
571ec3d6 FB |
268 | dolog ("hw->samples=%d\n", hw->samples); |
269 | goto err1; | |
270 | } | |
271 | ||
272 | #ifdef DAC | |
273 | hw->clip = mixeng_clip | |
274 | #else | |
275 | hw->conv = mixeng_conv | |
276 | #endif | |
277 | [hw->info.nchannels == 2] | |
278 | [hw->info.sign] | |
d929eba5 | 279 | [hw->info.swap_endianness] |
f941aa25 | 280 | [audio_bits_to_index (hw->info.bits)]; |
571ec3d6 FB |
281 | |
282 | if (glue (audio_pcm_hw_alloc_resources_, TYPE) (hw)) { | |
283 | goto err1; | |
284 | } | |
285 | ||
72cf2d4f | 286 | QLIST_INSERT_HEAD (&s->glue (hw_head_, TYPE), hw, entries); |
571ec3d6 | 287 | glue (s->nb_hw_voices_, TYPE) -= 1; |
8ead62cf | 288 | #ifdef DAC |
1a7dafce | 289 | audio_attach_capture (hw); |
8ead62cf | 290 | #endif |
571ec3d6 FB |
291 | return hw; |
292 | ||
293 | err1: | |
294 | glue (hw->pcm_ops->fini_, TYPE) (hw); | |
295 | err0: | |
7267c094 | 296 | g_free (hw); |
1d14ffa9 FB |
297 | return NULL; |
298 | } | |
299 | ||
71830221 KZ |
300 | AudiodevPerDirectionOptions *glue(audio_get_pdo_, TYPE)(Audiodev *dev) |
301 | { | |
302 | switch (dev->driver) { | |
303 | case AUDIODEV_DRIVER_NONE: | |
304 | return dev->u.none.TYPE; | |
305 | case AUDIODEV_DRIVER_ALSA: | |
306 | return qapi_AudiodevAlsaPerDirectionOptions_base(dev->u.alsa.TYPE); | |
307 | case AUDIODEV_DRIVER_COREAUDIO: | |
308 | return qapi_AudiodevCoreaudioPerDirectionOptions_base( | |
309 | dev->u.coreaudio.TYPE); | |
310 | case AUDIODEV_DRIVER_DSOUND: | |
311 | return dev->u.dsound.TYPE; | |
312 | case AUDIODEV_DRIVER_OSS: | |
313 | return qapi_AudiodevOssPerDirectionOptions_base(dev->u.oss.TYPE); | |
314 | case AUDIODEV_DRIVER_PA: | |
315 | return qapi_AudiodevPaPerDirectionOptions_base(dev->u.pa.TYPE); | |
316 | case AUDIODEV_DRIVER_SDL: | |
317 | return dev->u.sdl.TYPE; | |
318 | case AUDIODEV_DRIVER_SPICE: | |
319 | return dev->u.spice.TYPE; | |
320 | case AUDIODEV_DRIVER_WAV: | |
321 | return dev->u.wav.TYPE; | |
322 | ||
323 | case AUDIODEV_DRIVER__MAX: | |
324 | break; | |
325 | } | |
326 | abort(); | |
327 | } | |
328 | ||
526fb058 | 329 | static HW *glue(audio_pcm_hw_add_, TYPE)(AudioState *s, struct audsettings *as) |
1d14ffa9 FB |
330 | { |
331 | HW *hw; | |
71830221 | 332 | AudiodevPerDirectionOptions *pdo = glue(audio_get_pdo_, TYPE)(s->dev); |
1d14ffa9 | 333 | |
71830221 | 334 | if (pdo->fixed_settings) { |
526fb058 | 335 | hw = glue(audio_pcm_hw_add_new_, TYPE)(s, as); |
1d14ffa9 FB |
336 | if (hw) { |
337 | return hw; | |
338 | } | |
339 | } | |
340 | ||
526fb058 | 341 | hw = glue(audio_pcm_hw_find_specific_, TYPE)(s, NULL, as); |
1d14ffa9 FB |
342 | if (hw) { |
343 | return hw; | |
344 | } | |
345 | ||
526fb058 | 346 | hw = glue(audio_pcm_hw_add_new_, TYPE)(s, as); |
1d14ffa9 FB |
347 | if (hw) { |
348 | return hw; | |
349 | } | |
350 | ||
526fb058 | 351 | return glue(audio_pcm_hw_find_any_, TYPE)(s, NULL); |
1d14ffa9 FB |
352 | } |
353 | ||
526fb058 KZ |
354 | static SW *glue(audio_pcm_create_voice_pair_, TYPE)( |
355 | AudioState *s, | |
c0fe3827 | 356 | const char *sw_name, |
1ea879e5 | 357 | struct audsettings *as |
1d14ffa9 FB |
358 | ) |
359 | { | |
360 | SW *sw; | |
361 | HW *hw; | |
1ea879e5 | 362 | struct audsettings hw_as; |
71830221 | 363 | AudiodevPerDirectionOptions *pdo = glue(audio_get_pdo_, TYPE)(s->dev); |
1d14ffa9 | 364 | |
71830221 KZ |
365 | if (pdo->fixed_settings) { |
366 | hw_as = audiodev_to_audsettings(pdo); | |
c0fe3827 FB |
367 | } |
368 | else { | |
369 | hw_as = *as; | |
1d14ffa9 FB |
370 | } |
371 | ||
470bcabd | 372 | sw = audio_calloc(__func__, 1, sizeof(*sw)); |
1d14ffa9 | 373 | if (!sw) { |
e7cad338 | 374 | dolog ("Could not allocate soft voice `%s' (%zu bytes)\n", |
c0fe3827 | 375 | sw_name ? sw_name : "unknown", sizeof (*sw)); |
1d14ffa9 FB |
376 | goto err1; |
377 | } | |
526fb058 | 378 | sw->s = s; |
1d14ffa9 | 379 | |
526fb058 | 380 | hw = glue(audio_pcm_hw_add_, TYPE)(s, &hw_as); |
1d14ffa9 FB |
381 | if (!hw) { |
382 | goto err2; | |
383 | } | |
384 | ||
385 | glue (audio_pcm_hw_add_sw_, TYPE) (hw, sw); | |
386 | ||
d929eba5 | 387 | if (glue (audio_pcm_sw_init_, TYPE) (sw, hw, sw_name, as)) { |
1d14ffa9 FB |
388 | goto err3; |
389 | } | |
390 | ||
391 | return sw; | |
392 | ||
393 | err3: | |
394 | glue (audio_pcm_hw_del_sw_, TYPE) (sw); | |
1a7dafce | 395 | glue (audio_pcm_hw_gc_, TYPE) (&hw); |
1d14ffa9 | 396 | err2: |
7267c094 | 397 | g_free (sw); |
1d14ffa9 FB |
398 | err1: |
399 | return NULL; | |
400 | } | |
401 | ||
1a7dafce | 402 | static void glue (audio_close_, TYPE) (SW *sw) |
c0fe3827 FB |
403 | { |
404 | glue (audio_pcm_sw_fini_, TYPE) (sw); | |
405 | glue (audio_pcm_hw_del_sw_, TYPE) (sw); | |
1a7dafce | 406 | glue (audio_pcm_hw_gc_, TYPE) (&sw->hw); |
7267c094 | 407 | g_free (sw); |
c0fe3827 | 408 | } |
571ec3d6 | 409 | |
c0fe3827 | 410 | void glue (AUD_close_, TYPE) (QEMUSoundCard *card, SW *sw) |
1d14ffa9 FB |
411 | { |
412 | if (sw) { | |
470bcabd | 413 | if (audio_bug(__func__, !card)) { |
1a7dafce | 414 | dolog ("card=%p\n", card); |
c0fe3827 FB |
415 | return; |
416 | } | |
417 | ||
1a7dafce | 418 | glue (audio_close_, TYPE) (sw); |
1d14ffa9 FB |
419 | } |
420 | } | |
421 | ||
422 | SW *glue (AUD_open_, TYPE) ( | |
c0fe3827 | 423 | QEMUSoundCard *card, |
1d14ffa9 FB |
424 | SW *sw, |
425 | const char *name, | |
426 | void *callback_opaque , | |
cb4f03e8 | 427 | audio_callback_fn callback_fn, |
1ea879e5 | 428 | struct audsettings *as |
1d14ffa9 FB |
429 | ) |
430 | { | |
ecd97e95 | 431 | AudioState *s = card->state; |
71830221 | 432 | AudiodevPerDirectionOptions *pdo = glue(audio_get_pdo_, TYPE)(s->dev); |
1d14ffa9 | 433 | |
470bcabd | 434 | if (audio_bug(__func__, !card || !name || !callback_fn || !as)) { |
1a7dafce | 435 | dolog ("card=%p name=%p callback_fn=%p as=%p\n", |
436 | card, name, callback_fn, as); | |
1d14ffa9 FB |
437 | goto fail; |
438 | } | |
439 | ||
93b65997 SW |
440 | ldebug ("open %s, freq %d, nchannels %d, fmt %d\n", |
441 | name, as->freq, as->nchannels, as->fmt); | |
442 | ||
470bcabd | 443 | if (audio_bug(__func__, audio_validate_settings(as))) { |
c0fe3827 | 444 | audio_print_settings (as); |
1d14ffa9 FB |
445 | goto fail; |
446 | } | |
447 | ||
470bcabd | 448 | if (audio_bug(__func__, !s->drv)) { |
c0fe3827 | 449 | dolog ("Can not open `%s' (no host audio driver)\n", name); |
1d14ffa9 FB |
450 | goto fail; |
451 | } | |
452 | ||
c0fe3827 | 453 | if (sw && audio_pcm_info_eq (&sw->info, as)) { |
1d14ffa9 FB |
454 | return sw; |
455 | } | |
456 | ||
71830221 | 457 | if (!pdo->fixed_settings && sw) { |
c0fe3827 | 458 | glue (AUD_close_, TYPE) (card, sw); |
1d14ffa9 FB |
459 | sw = NULL; |
460 | } | |
461 | ||
462 | if (sw) { | |
463 | HW *hw = sw->hw; | |
464 | ||
465 | if (!hw) { | |
c0fe3827 FB |
466 | dolog ("Internal logic error voice `%s' has no hardware store\n", |
467 | SW_NAME (sw)); | |
1d14ffa9 FB |
468 | goto fail; |
469 | } | |
470 | ||
571ec3d6 | 471 | glue (audio_pcm_sw_fini_, TYPE) (sw); |
d929eba5 | 472 | if (glue (audio_pcm_sw_init_, TYPE) (sw, hw, name, as)) { |
1d14ffa9 FB |
473 | goto fail; |
474 | } | |
475 | } | |
476 | else { | |
526fb058 | 477 | sw = glue(audio_pcm_create_voice_pair_, TYPE)(s, name, as); |
1d14ffa9 | 478 | if (!sw) { |
c0fe3827 | 479 | dolog ("Failed to create voice `%s'\n", name); |
571ec3d6 | 480 | return NULL; |
1d14ffa9 FB |
481 | } |
482 | } | |
483 | ||
7cbb28ed | 484 | sw->card = card; |
485 | sw->vol = nominal_volume; | |
486 | sw->callback.fn = callback_fn; | |
487 | sw->callback.opaque = callback_opaque; | |
1d14ffa9 | 488 | |
1d14ffa9 | 489 | #ifdef DEBUG_AUDIO |
7cbb28ed | 490 | dolog ("%s\n", name); |
491 | audio_pcm_print_info ("hw", &sw->hw->info); | |
492 | audio_pcm_print_info ("sw", &sw->info); | |
1d14ffa9 | 493 | #endif |
1d14ffa9 FB |
494 | |
495 | return sw; | |
496 | ||
497 | fail: | |
c0fe3827 | 498 | glue (AUD_close_, TYPE) (card, sw); |
1d14ffa9 FB |
499 | return NULL; |
500 | } | |
501 | ||
502 | int glue (AUD_is_active_, TYPE) (SW *sw) | |
503 | { | |
504 | return sw ? sw->active : 0; | |
505 | } | |
506 | ||
507 | void glue (AUD_init_time_stamp_, TYPE) (SW *sw, QEMUAudioTimeStamp *ts) | |
508 | { | |
509 | if (!sw) { | |
510 | return; | |
511 | } | |
512 | ||
513 | ts->old_ts = sw->hw->ts_helper; | |
514 | } | |
515 | ||
c0fe3827 | 516 | uint64_t glue (AUD_get_elapsed_usec_, TYPE) (SW *sw, QEMUAudioTimeStamp *ts) |
1d14ffa9 FB |
517 | { |
518 | uint64_t delta, cur_ts, old_ts; | |
519 | ||
520 | if (!sw) { | |
521 | return 0; | |
522 | } | |
523 | ||
524 | cur_ts = sw->hw->ts_helper; | |
525 | old_ts = ts->old_ts; | |
0bfcd599 | 526 | /* dolog ("cur %" PRId64 " old %" PRId64 "\n", cur_ts, old_ts); */ |
1d14ffa9 FB |
527 | |
528 | if (cur_ts >= old_ts) { | |
529 | delta = cur_ts - old_ts; | |
530 | } | |
531 | else { | |
532 | delta = UINT64_MAX - old_ts + cur_ts; | |
533 | } | |
534 | ||
535 | if (!delta) { | |
536 | return 0; | |
537 | } | |
538 | ||
4f4cc0ef | 539 | return muldiv64 (delta, sw->hw->info.freq, 1000000); |
1d14ffa9 FB |
540 | } |
541 | ||
542 | #undef TYPE | |
543 | #undef HW | |
544 | #undef SW | |
571ec3d6 FB |
545 | #undef HWBUF |
546 | #undef NAME |