]>
Commit | Line | Data |
---|---|---|
85571bc7 FB |
1 | /* |
2 | * QEMU Audio subsystem | |
1d14ffa9 FB |
3 | * |
4 | * Copyright (c) 2003-2005 Vassili Karpov (malc) | |
5 | * | |
85571bc7 FB |
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 | */ | |
0b8fa32f | 24 | |
6086a565 | 25 | #include "qemu/osdep.h" |
87ecb68b | 26 | #include "audio.h" |
d6454270 | 27 | #include "migration/vmstate.h" |
83c9089e | 28 | #include "monitor/monitor.h" |
1de7afc9 | 29 | #include "qemu/timer.h" |
71830221 KZ |
30 | #include "qapi/error.h" |
31 | #include "qapi/qobject-input-visitor.h" | |
32 | #include "qapi/qapi-visit-audio.h" | |
f348b6d1 | 33 | #include "qemu/cutils.h" |
0b8fa32f | 34 | #include "qemu/module.h" |
37a54d05 | 35 | #include "qemu-common.h" |
3d4d16f4 | 36 | #include "sysemu/replay.h" |
54d31236 | 37 | #include "sysemu/runstate.h" |
f0c4555e | 38 | #include "ui/qemu-spice.h" |
1a961e78 | 39 | #include "trace.h" |
85571bc7 | 40 | |
1d14ffa9 FB |
41 | #define AUDIO_CAP "audio" |
42 | #include "audio_int.h" | |
85571bc7 | 43 | |
1d14ffa9 FB |
44 | /* #define DEBUG_LIVE */ |
45 | /* #define DEBUG_OUT */ | |
8ead62cf | 46 | /* #define DEBUG_CAPTURE */ |
713a98f8 | 47 | /* #define DEBUG_POLL */ |
85571bc7 | 48 | |
c0fe3827 FB |
49 | #define SW_NAME(sw) (sw)->name ? (sw)->name : "unknown" |
50 | ||
2358a494 JQ |
51 | |
52 | /* Order of CONFIG_AUDIO_DRIVERS is import. | |
53 | The 1st one is the one used by default, that is the reason | |
54 | that we generate the list. | |
55 | */ | |
71830221 | 56 | const char *audio_prio_list[] = { |
d3893a39 | 57 | "spice", |
2358a494 | 58 | CONFIG_AUDIO_DRIVERS |
d3893a39 GH |
59 | "none", |
60 | "wav", | |
71830221 | 61 | NULL |
1d14ffa9 | 62 | }; |
85571bc7 | 63 | |
d3893a39 | 64 | static QLIST_HEAD(, audio_driver) audio_drivers; |
71830221 | 65 | static AudiodevListHead audiodevs = QSIMPLEQ_HEAD_INITIALIZER(audiodevs); |
d3893a39 GH |
66 | |
67 | void audio_driver_register(audio_driver *drv) | |
68 | { | |
69 | QLIST_INSERT_HEAD(&audio_drivers, drv, next); | |
70 | } | |
71 | ||
72 | audio_driver *audio_driver_lookup(const char *name) | |
73 | { | |
74 | struct audio_driver *d; | |
75 | ||
76 | QLIST_FOREACH(d, &audio_drivers, next) { | |
77 | if (strcmp(name, d->name) == 0) { | |
78 | return d; | |
79 | } | |
80 | } | |
65ba8696 GH |
81 | |
82 | audio_module_load_one(name); | |
83 | QLIST_FOREACH(d, &audio_drivers, next) { | |
84 | if (strcmp(name, d->name) == 0) { | |
85 | return d; | |
86 | } | |
87 | } | |
88 | ||
d3893a39 GH |
89 | return NULL; |
90 | } | |
91 | ||
ecd97e95 KZ |
92 | static QTAILQ_HEAD(AudioStateHead, AudioState) audio_states = |
93 | QTAILQ_HEAD_INITIALIZER(audio_states); | |
c0fe3827 | 94 | |
00e07679 | 95 | const struct mixeng_volume nominal_volume = { |
14658cd1 | 96 | .mute = 0, |
1d14ffa9 | 97 | #ifdef FLOAT_MIXENG |
14658cd1 JQ |
98 | .r = 1.0, |
99 | .l = 1.0, | |
1d14ffa9 | 100 | #else |
14658cd1 JQ |
101 | .r = 1ULL << 32, |
102 | .l = 1ULL << 32, | |
1d14ffa9 | 103 | #endif |
85571bc7 FB |
104 | }; |
105 | ||
af2041ed KZ |
106 | static bool legacy_config = true; |
107 | ||
1d14ffa9 | 108 | int audio_bug (const char *funcname, int cond) |
85571bc7 | 109 | { |
1d14ffa9 FB |
110 | if (cond) { |
111 | static int shown; | |
112 | ||
8ead62cf | 113 | AUD_log (NULL, "A bug was just triggered in %s\n", funcname); |
1d14ffa9 FB |
114 | if (!shown) { |
115 | shown = 1; | |
116 | AUD_log (NULL, "Save all your work and restart without audio\n"); | |
1d14ffa9 FB |
117 | AUD_log (NULL, "I am sorry\n"); |
118 | } | |
119 | AUD_log (NULL, "Context:\n"); | |
85571bc7 FB |
120 | } |
121 | ||
1d14ffa9 | 122 | return cond; |
85571bc7 FB |
123 | } |
124 | ||
f941aa25 TS |
125 | static inline int audio_bits_to_index (int bits) |
126 | { | |
127 | switch (bits) { | |
128 | case 8: | |
129 | return 0; | |
130 | ||
131 | case 16: | |
132 | return 1; | |
133 | ||
134 | case 32: | |
135 | return 2; | |
136 | ||
137 | default: | |
138 | audio_bug ("bits_to_index", 1); | |
139 | AUD_log (NULL, "invalid bits %d\n", bits); | |
8e30d39b | 140 | abort(); |
f941aa25 TS |
141 | } |
142 | } | |
143 | ||
c0fe3827 FB |
144 | void *audio_calloc (const char *funcname, int nmemb, size_t size) |
145 | { | |
146 | int cond; | |
147 | size_t len; | |
148 | ||
149 | len = nmemb * size; | |
150 | cond = !nmemb || !size; | |
151 | cond |= nmemb < 0; | |
152 | cond |= len < size; | |
153 | ||
154 | if (audio_bug ("audio_calloc", cond)) { | |
155 | AUD_log (NULL, "%s passed invalid arguments to audio_calloc\n", | |
156 | funcname); | |
541e0844 | 157 | AUD_log (NULL, "nmemb=%d size=%zu (len=%zu)\n", nmemb, size, len); |
8e30d39b | 158 | abort(); |
c0fe3827 FB |
159 | } |
160 | ||
7267c094 | 161 | return g_malloc0 (len); |
c0fe3827 FB |
162 | } |
163 | ||
541e0844 | 164 | void AUD_vlog (const char *cap, const char *fmt, va_list ap) |
85571bc7 | 165 | { |
06ac27f6 KZ |
166 | if (cap) { |
167 | fprintf(stderr, "%s: ", cap); | |
541e0844 | 168 | } |
541e0844 | 169 | |
06ac27f6 | 170 | vfprintf(stderr, fmt, ap); |
85571bc7 FB |
171 | } |
172 | ||
541e0844 | 173 | void AUD_log (const char *cap, const char *fmt, ...) |
85571bc7 | 174 | { |
541e0844 FB |
175 | va_list ap; |
176 | ||
177 | va_start (ap, fmt); | |
178 | AUD_vlog (cap, fmt, ap); | |
179 | va_end (ap); | |
85571bc7 FB |
180 | } |
181 | ||
1ea879e5 | 182 | static void audio_print_settings (struct audsettings *as) |
c0fe3827 FB |
183 | { |
184 | dolog ("frequency=%d nchannels=%d fmt=", as->freq, as->nchannels); | |
185 | ||
186 | switch (as->fmt) { | |
85bc5852 | 187 | case AUDIO_FORMAT_S8: |
c0fe3827 FB |
188 | AUD_log (NULL, "S8"); |
189 | break; | |
85bc5852 | 190 | case AUDIO_FORMAT_U8: |
c0fe3827 FB |
191 | AUD_log (NULL, "U8"); |
192 | break; | |
85bc5852 | 193 | case AUDIO_FORMAT_S16: |
c0fe3827 FB |
194 | AUD_log (NULL, "S16"); |
195 | break; | |
85bc5852 | 196 | case AUDIO_FORMAT_U16: |
c0fe3827 FB |
197 | AUD_log (NULL, "U16"); |
198 | break; | |
85bc5852 | 199 | case AUDIO_FORMAT_S32: |
d50997f9 | 200 | AUD_log (NULL, "S32"); |
201 | break; | |
85bc5852 | 202 | case AUDIO_FORMAT_U32: |
d50997f9 | 203 | AUD_log (NULL, "U32"); |
204 | break; | |
ed2a4a79 KZ |
205 | case AUDIO_FORMAT_F32: |
206 | AUD_log (NULL, "F32"); | |
207 | break; | |
c0fe3827 FB |
208 | default: |
209 | AUD_log (NULL, "invalid(%d)", as->fmt); | |
210 | break; | |
211 | } | |
ec36b695 FB |
212 | |
213 | AUD_log (NULL, " endianness="); | |
d929eba5 FB |
214 | switch (as->endianness) { |
215 | case 0: | |
216 | AUD_log (NULL, "little"); | |
217 | break; | |
218 | case 1: | |
219 | AUD_log (NULL, "big"); | |
220 | break; | |
221 | default: | |
222 | AUD_log (NULL, "invalid"); | |
223 | break; | |
224 | } | |
c0fe3827 FB |
225 | AUD_log (NULL, "\n"); |
226 | } | |
227 | ||
1ea879e5 | 228 | static int audio_validate_settings (struct audsettings *as) |
c0fe3827 FB |
229 | { |
230 | int invalid; | |
231 | ||
b5c7db3e | 232 | invalid = as->nchannels < 1; |
d929eba5 | 233 | invalid |= as->endianness != 0 && as->endianness != 1; |
c0fe3827 FB |
234 | |
235 | switch (as->fmt) { | |
85bc5852 KZ |
236 | case AUDIO_FORMAT_S8: |
237 | case AUDIO_FORMAT_U8: | |
238 | case AUDIO_FORMAT_S16: | |
239 | case AUDIO_FORMAT_U16: | |
240 | case AUDIO_FORMAT_S32: | |
241 | case AUDIO_FORMAT_U32: | |
ed2a4a79 | 242 | case AUDIO_FORMAT_F32: |
c0fe3827 FB |
243 | break; |
244 | default: | |
245 | invalid = 1; | |
246 | break; | |
247 | } | |
248 | ||
249 | invalid |= as->freq <= 0; | |
d929eba5 | 250 | return invalid ? -1 : 0; |
c0fe3827 FB |
251 | } |
252 | ||
1ea879e5 | 253 | static int audio_pcm_info_eq (struct audio_pcm_info *info, struct audsettings *as) |
85571bc7 | 254 | { |
ed2a4a79 KZ |
255 | int bits = 8; |
256 | bool is_signed = false, is_float = false; | |
85571bc7 | 257 | |
c0fe3827 | 258 | switch (as->fmt) { |
85bc5852 | 259 | case AUDIO_FORMAT_S8: |
ed2a4a79 | 260 | is_signed = true; |
b4bd0b16 | 261 | /* fall through */ |
85bc5852 | 262 | case AUDIO_FORMAT_U8: |
1d14ffa9 FB |
263 | break; |
264 | ||
85bc5852 | 265 | case AUDIO_FORMAT_S16: |
ed2a4a79 | 266 | is_signed = true; |
b4bd0b16 | 267 | /* fall through */ |
85bc5852 | 268 | case AUDIO_FORMAT_U16: |
1d14ffa9 FB |
269 | bits = 16; |
270 | break; | |
f941aa25 | 271 | |
ed2a4a79 KZ |
272 | case AUDIO_FORMAT_F32: |
273 | is_float = true; | |
274 | /* fall through */ | |
85bc5852 | 275 | case AUDIO_FORMAT_S32: |
ed2a4a79 | 276 | is_signed = true; |
b4bd0b16 | 277 | /* fall through */ |
85bc5852 | 278 | case AUDIO_FORMAT_U32: |
f941aa25 TS |
279 | bits = 32; |
280 | break; | |
85bc5852 KZ |
281 | |
282 | default: | |
283 | abort(); | |
85571bc7 | 284 | } |
c0fe3827 FB |
285 | return info->freq == as->freq |
286 | && info->nchannels == as->nchannels | |
ed2a4a79 KZ |
287 | && info->is_signed == is_signed |
288 | && info->is_float == is_float | |
d929eba5 FB |
289 | && info->bits == bits |
290 | && info->swap_endianness == (as->endianness != AUDIO_HOST_ENDIANNESS); | |
1d14ffa9 | 291 | } |
85571bc7 | 292 | |
1ea879e5 | 293 | void audio_pcm_init_info (struct audio_pcm_info *info, struct audsettings *as) |
1d14ffa9 | 294 | { |
ed2a4a79 KZ |
295 | int bits = 8, mul; |
296 | bool is_signed = false, is_float = false; | |
1d14ffa9 | 297 | |
c0fe3827 | 298 | switch (as->fmt) { |
85bc5852 | 299 | case AUDIO_FORMAT_S8: |
ed2a4a79 | 300 | is_signed = true; |
f7621fd1 | 301 | /* fall through */ |
85bc5852 | 302 | case AUDIO_FORMAT_U8: |
2b9cce8c | 303 | mul = 1; |
85571bc7 FB |
304 | break; |
305 | ||
85bc5852 | 306 | case AUDIO_FORMAT_S16: |
ed2a4a79 | 307 | is_signed = true; |
e4634941 | 308 | /* fall through */ |
85bc5852 | 309 | case AUDIO_FORMAT_U16: |
85571bc7 | 310 | bits = 16; |
2b9cce8c | 311 | mul = 2; |
f941aa25 TS |
312 | break; |
313 | ||
ed2a4a79 KZ |
314 | case AUDIO_FORMAT_F32: |
315 | is_float = true; | |
316 | /* fall through */ | |
85bc5852 | 317 | case AUDIO_FORMAT_S32: |
ed2a4a79 | 318 | is_signed = true; |
e4634941 | 319 | /* fall through */ |
85bc5852 | 320 | case AUDIO_FORMAT_U32: |
f941aa25 | 321 | bits = 32; |
2b9cce8c | 322 | mul = 4; |
85571bc7 | 323 | break; |
85bc5852 KZ |
324 | |
325 | default: | |
326 | abort(); | |
85571bc7 FB |
327 | } |
328 | ||
c0fe3827 | 329 | info->freq = as->freq; |
1d14ffa9 | 330 | info->bits = bits; |
ed2a4a79 KZ |
331 | info->is_signed = is_signed; |
332 | info->is_float = is_float; | |
c0fe3827 | 333 | info->nchannels = as->nchannels; |
2b9cce8c KZ |
334 | info->bytes_per_frame = as->nchannels * mul; |
335 | info->bytes_per_second = info->freq * info->bytes_per_frame; | |
d929eba5 | 336 | info->swap_endianness = (as->endianness != AUDIO_HOST_ENDIANNESS); |
85571bc7 FB |
337 | } |
338 | ||
1d14ffa9 | 339 | void audio_pcm_info_clear_buf (struct audio_pcm_info *info, void *buf, int len) |
85571bc7 | 340 | { |
1d14ffa9 FB |
341 | if (!len) { |
342 | return; | |
343 | } | |
344 | ||
ed2a4a79 | 345 | if (info->is_signed || info->is_float) { |
2b9cce8c | 346 | memset(buf, 0x00, len * info->bytes_per_frame); |
6c6886bd | 347 | } else { |
f941aa25 TS |
348 | switch (info->bits) { |
349 | case 8: | |
2b9cce8c | 350 | memset(buf, 0x80, len * info->bytes_per_frame); |
f941aa25 | 351 | break; |
1d14ffa9 | 352 | |
f941aa25 TS |
353 | case 16: |
354 | { | |
355 | int i; | |
356 | uint16_t *p = buf; | |
f941aa25 TS |
357 | short s = INT16_MAX; |
358 | ||
359 | if (info->swap_endianness) { | |
360 | s = bswap16 (s); | |
361 | } | |
362 | ||
2b9cce8c | 363 | for (i = 0; i < len * info->nchannels; i++) { |
f941aa25 TS |
364 | p[i] = s; |
365 | } | |
1d14ffa9 | 366 | } |
f941aa25 TS |
367 | break; |
368 | ||
369 | case 32: | |
370 | { | |
371 | int i; | |
372 | uint32_t *p = buf; | |
f941aa25 TS |
373 | int32_t s = INT32_MAX; |
374 | ||
375 | if (info->swap_endianness) { | |
376 | s = bswap32 (s); | |
377 | } | |
1d14ffa9 | 378 | |
2b9cce8c | 379 | for (i = 0; i < len * info->nchannels; i++) { |
f941aa25 TS |
380 | p[i] = s; |
381 | } | |
1d14ffa9 | 382 | } |
f941aa25 TS |
383 | break; |
384 | ||
385 | default: | |
386 | AUD_log (NULL, "audio_pcm_info_clear_buf: invalid bits %d\n", | |
387 | info->bits); | |
388 | break; | |
1d14ffa9 | 389 | } |
85571bc7 FB |
390 | } |
391 | } | |
392 | ||
8ead62cf FB |
393 | /* |
394 | * Capture | |
395 | */ | |
00e07679 | 396 | static void noop_conv (struct st_sample *dst, const void *src, int samples) |
8ead62cf FB |
397 | { |
398 | (void) src; | |
399 | (void) dst; | |
400 | (void) samples; | |
8ead62cf FB |
401 | } |
402 | ||
526fb058 KZ |
403 | static CaptureVoiceOut *audio_pcm_capture_find_specific(AudioState *s, |
404 | struct audsettings *as) | |
8ead62cf FB |
405 | { |
406 | CaptureVoiceOut *cap; | |
8ead62cf FB |
407 | |
408 | for (cap = s->cap_head.lh_first; cap; cap = cap->entries.le_next) { | |
d929eba5 | 409 | if (audio_pcm_info_eq (&cap->hw.info, as)) { |
8ead62cf FB |
410 | return cap; |
411 | } | |
412 | } | |
413 | return NULL; | |
414 | } | |
415 | ||
ec36b695 | 416 | static void audio_notify_capture (CaptureVoiceOut *cap, audcnotification_e cmd) |
8ead62cf | 417 | { |
ec36b695 FB |
418 | struct capture_callback *cb; |
419 | ||
420 | #ifdef DEBUG_CAPTURE | |
421 | dolog ("notification %d sent\n", cmd); | |
422 | #endif | |
423 | for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) { | |
424 | cb->ops.notify (cb->opaque, cmd); | |
425 | } | |
426 | } | |
8ead62cf | 427 | |
ec36b695 FB |
428 | static void audio_capture_maybe_changed (CaptureVoiceOut *cap, int enabled) |
429 | { | |
430 | if (cap->hw.enabled != enabled) { | |
431 | audcnotification_e cmd; | |
8ead62cf | 432 | cap->hw.enabled = enabled; |
ec36b695 FB |
433 | cmd = enabled ? AUD_CNOTIFY_ENABLE : AUD_CNOTIFY_DISABLE; |
434 | audio_notify_capture (cap, cmd); | |
8ead62cf FB |
435 | } |
436 | } | |
437 | ||
438 | static void audio_recalc_and_notify_capture (CaptureVoiceOut *cap) | |
439 | { | |
440 | HWVoiceOut *hw = &cap->hw; | |
441 | SWVoiceOut *sw; | |
442 | int enabled = 0; | |
443 | ||
ec36b695 | 444 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { |
8ead62cf FB |
445 | if (sw->active) { |
446 | enabled = 1; | |
447 | break; | |
448 | } | |
449 | } | |
ec36b695 | 450 | audio_capture_maybe_changed (cap, enabled); |
8ead62cf FB |
451 | } |
452 | ||
453 | static void audio_detach_capture (HWVoiceOut *hw) | |
454 | { | |
ec36b695 FB |
455 | SWVoiceCap *sc = hw->cap_head.lh_first; |
456 | ||
457 | while (sc) { | |
458 | SWVoiceCap *sc1 = sc->entries.le_next; | |
459 | SWVoiceOut *sw = &sc->sw; | |
460 | CaptureVoiceOut *cap = sc->cap; | |
461 | int was_active = sw->active; | |
8ead62cf | 462 | |
8ead62cf FB |
463 | if (sw->rate) { |
464 | st_rate_stop (sw->rate); | |
465 | sw->rate = NULL; | |
466 | } | |
467 | ||
72cf2d4f BS |
468 | QLIST_REMOVE (sw, entries); |
469 | QLIST_REMOVE (sc, entries); | |
7267c094 | 470 | g_free (sc); |
ec36b695 FB |
471 | if (was_active) { |
472 | /* We have removed soft voice from the capture: | |
473 | this might have changed the overall status of the capture | |
474 | since this might have been the only active voice */ | |
475 | audio_recalc_and_notify_capture (cap); | |
476 | } | |
477 | sc = sc1; | |
8ead62cf FB |
478 | } |
479 | } | |
480 | ||
1a7dafce | 481 | static int audio_attach_capture (HWVoiceOut *hw) |
8ead62cf | 482 | { |
526fb058 | 483 | AudioState *s = hw->s; |
8ead62cf FB |
484 | CaptureVoiceOut *cap; |
485 | ||
486 | audio_detach_capture (hw); | |
487 | for (cap = s->cap_head.lh_first; cap; cap = cap->entries.le_next) { | |
ec36b695 | 488 | SWVoiceCap *sc; |
8ead62cf | 489 | SWVoiceOut *sw; |
ec36b695 | 490 | HWVoiceOut *hw_cap = &cap->hw; |
8ead62cf | 491 | |
e8d85444 | 492 | sc = g_malloc0(sizeof(*sc)); |
8ead62cf | 493 | |
ec36b695 FB |
494 | sc->cap = cap; |
495 | sw = &sc->sw; | |
8ead62cf | 496 | sw->hw = hw_cap; |
ec36b695 | 497 | sw->info = hw->info; |
8ead62cf FB |
498 | sw->empty = 1; |
499 | sw->active = hw->enabled; | |
500 | sw->conv = noop_conv; | |
501 | sw->ratio = ((int64_t) hw_cap->info.freq << 32) / sw->info.freq; | |
83617103 | 502 | sw->vol = nominal_volume; |
8ead62cf FB |
503 | sw->rate = st_rate_start (sw->info.freq, hw_cap->info.freq); |
504 | if (!sw->rate) { | |
505 | dolog ("Could not start rate conversion for `%s'\n", SW_NAME (sw)); | |
7267c094 | 506 | g_free (sw); |
8ead62cf FB |
507 | return -1; |
508 | } | |
72cf2d4f BS |
509 | QLIST_INSERT_HEAD (&hw_cap->sw_head, sw, entries); |
510 | QLIST_INSERT_HEAD (&hw->cap_head, sc, entries); | |
ec36b695 | 511 | #ifdef DEBUG_CAPTURE |
457b6543 SW |
512 | sw->name = g_strdup_printf ("for %p %d,%d,%d", |
513 | hw, sw->info.freq, sw->info.bits, | |
514 | sw->info.nchannels); | |
ec36b695 FB |
515 | dolog ("Added %s active = %d\n", sw->name, sw->active); |
516 | #endif | |
8ead62cf | 517 | if (sw->active) { |
ec36b695 | 518 | audio_capture_maybe_changed (cap, 1); |
8ead62cf FB |
519 | } |
520 | } | |
521 | return 0; | |
522 | } | |
523 | ||
1d14ffa9 FB |
524 | /* |
525 | * Hard voice (capture) | |
526 | */ | |
7520462b | 527 | static size_t audio_pcm_hw_find_min_in (HWVoiceIn *hw) |
85571bc7 | 528 | { |
1d14ffa9 | 529 | SWVoiceIn *sw; |
7520462b | 530 | size_t m = hw->total_samples_captured; |
1d14ffa9 FB |
531 | |
532 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { | |
533 | if (sw->active) { | |
58935915 | 534 | m = MIN (m, sw->total_hw_samples_acquired); |
1d14ffa9 | 535 | } |
85571bc7 | 536 | } |
1d14ffa9 | 537 | return m; |
85571bc7 FB |
538 | } |
539 | ||
3f5bbfc2 | 540 | static size_t audio_pcm_hw_get_live_in(HWVoiceIn *hw) |
85571bc7 | 541 | { |
7520462b | 542 | size_t live = hw->total_samples_captured - audio_pcm_hw_find_min_in (hw); |
dc88e38f KZ |
543 | if (audio_bug(__func__, live > hw->conv_buf->size)) { |
544 | dolog("live=%zu hw->conv_buf->size=%zu\n", live, hw->conv_buf->size); | |
8e30d39b | 545 | abort(); |
85571bc7 | 546 | } |
1d14ffa9 | 547 | return live; |
85571bc7 FB |
548 | } |
549 | ||
251f1549 VR |
550 | static size_t audio_pcm_hw_conv_in(HWVoiceIn *hw, void *pcm_buf, size_t samples) |
551 | { | |
552 | size_t conv = 0; | |
553 | STSampleBuffer *conv_buf = hw->conv_buf; | |
554 | ||
555 | while (samples) { | |
556 | uint8_t *src = advance(pcm_buf, conv * hw->info.bytes_per_frame); | |
557 | size_t proc = MIN(samples, conv_buf->size - conv_buf->pos); | |
558 | ||
559 | hw->conv(conv_buf->samples + conv_buf->pos, src, proc); | |
560 | conv_buf->pos = (conv_buf->pos + proc) % conv_buf->size; | |
561 | samples -= proc; | |
562 | conv += proc; | |
563 | } | |
564 | ||
565 | return conv; | |
566 | } | |
567 | ||
1d14ffa9 FB |
568 | /* |
569 | * Soft voice (capture) | |
570 | */ | |
7520462b | 571 | static size_t audio_pcm_sw_read(SWVoiceIn *sw, void *buf, size_t size) |
85571bc7 | 572 | { |
1d14ffa9 | 573 | HWVoiceIn *hw = sw->hw; |
7520462b | 574 | size_t samples, live, ret = 0, swlim, isamp, osamp, rpos, total = 0; |
1ea879e5 | 575 | struct st_sample *src, *dst = sw->buf; |
1d14ffa9 | 576 | |
1d14ffa9 | 577 | live = hw->total_samples_captured - sw->total_hw_samples_acquired; |
0ceb26af VR |
578 | if (!live) { |
579 | return 0; | |
580 | } | |
dc88e38f KZ |
581 | if (audio_bug(__func__, live > hw->conv_buf->size)) { |
582 | dolog("live_in=%zu hw->conv_buf->size=%zu\n", live, hw->conv_buf->size); | |
8e30d39b | 583 | abort(); |
1d14ffa9 FB |
584 | } |
585 | ||
0ceb26af VR |
586 | rpos = audio_ring_posb(hw->conv_buf->pos, live, hw->conv_buf->size); |
587 | ||
2b9cce8c | 588 | samples = size / sw->info.bytes_per_frame; |
85571bc7 | 589 | |
1d14ffa9 | 590 | swlim = (live * sw->ratio) >> 32; |
58935915 | 591 | swlim = MIN (swlim, samples); |
85571bc7 | 592 | |
1d14ffa9 | 593 | while (swlim) { |
dc88e38f KZ |
594 | src = hw->conv_buf->samples + rpos; |
595 | if (hw->conv_buf->pos > rpos) { | |
596 | isamp = hw->conv_buf->pos - rpos; | |
7520462b | 597 | } else { |
dc88e38f | 598 | isamp = hw->conv_buf->size - rpos; |
1d14ffa9 | 599 | } |
85571bc7 | 600 | |
1d14ffa9 FB |
601 | if (!isamp) { |
602 | break; | |
603 | } | |
604 | osamp = swlim; | |
85571bc7 | 605 | |
1d14ffa9 FB |
606 | st_rate_flow (sw->rate, src, dst, &isamp, &osamp); |
607 | swlim -= osamp; | |
dc88e38f | 608 | rpos = (rpos + isamp) % hw->conv_buf->size; |
1d14ffa9 FB |
609 | dst += osamp; |
610 | ret += osamp; | |
611 | total += isamp; | |
612 | } | |
85571bc7 | 613 | |
669b9522 | 614 | if (!hw->pcm_ops->volume_in) { |
c01b2456 MAL |
615 | mixeng_volume (sw->buf, ret, &sw->vol); |
616 | } | |
00e07679 | 617 | |
571ec3d6 | 618 | sw->clip (buf, sw->buf, ret); |
1d14ffa9 | 619 | sw->total_hw_samples_acquired += total; |
2b9cce8c | 620 | return ret * sw->info.bytes_per_frame; |
85571bc7 FB |
621 | } |
622 | ||
1d14ffa9 FB |
623 | /* |
624 | * Hard voice (playback) | |
625 | */ | |
7520462b | 626 | static size_t audio_pcm_hw_find_min_out (HWVoiceOut *hw, int *nb_livep) |
1d14ffa9 | 627 | { |
c0fe3827 | 628 | SWVoiceOut *sw; |
7520462b | 629 | size_t m = SIZE_MAX; |
c0fe3827 | 630 | int nb_live = 0; |
85571bc7 | 631 | |
c0fe3827 FB |
632 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { |
633 | if (sw->active || !sw->empty) { | |
58935915 | 634 | m = MIN (m, sw->total_hw_samples_mixed); |
c0fe3827 FB |
635 | nb_live += 1; |
636 | } | |
85571bc7 | 637 | } |
c0fe3827 FB |
638 | |
639 | *nb_livep = nb_live; | |
640 | return m; | |
1d14ffa9 | 641 | } |
85571bc7 | 642 | |
7520462b | 643 | static size_t audio_pcm_hw_get_live_out (HWVoiceOut *hw, int *nb_live) |
1d14ffa9 | 644 | { |
7520462b | 645 | size_t smin; |
bdff253c | 646 | int nb_live1; |
85571bc7 | 647 | |
bdff253c | 648 | smin = audio_pcm_hw_find_min_out (hw, &nb_live1); |
649 | if (nb_live) { | |
650 | *nb_live = nb_live1; | |
85571bc7 | 651 | } |
bdff253c | 652 | |
653 | if (nb_live1) { | |
7520462b | 654 | size_t live = smin; |
1d14ffa9 | 655 | |
dc88e38f KZ |
656 | if (audio_bug(__func__, live > hw->mix_buf->size)) { |
657 | dolog("live=%zu hw->mix_buf->size=%zu\n", live, hw->mix_buf->size); | |
8e30d39b | 658 | abort(); |
85571bc7 | 659 | } |
1d14ffa9 | 660 | return live; |
85571bc7 | 661 | } |
bdff253c | 662 | return 0; |
85571bc7 FB |
663 | } |
664 | ||
9833438e VR |
665 | static size_t audio_pcm_hw_get_free(HWVoiceOut *hw) |
666 | { | |
667 | return (hw->pcm_ops->buffer_get_free ? hw->pcm_ops->buffer_get_free(hw) : | |
668 | INT_MAX) / hw->info.bytes_per_frame; | |
669 | } | |
670 | ||
8e56a172 VR |
671 | static void audio_pcm_hw_clip_out(HWVoiceOut *hw, void *pcm_buf, size_t len) |
672 | { | |
673 | size_t clipped = 0; | |
674 | size_t pos = hw->mix_buf->pos; | |
675 | ||
676 | while (len) { | |
677 | st_sample *src = hw->mix_buf->samples + pos; | |
678 | uint8_t *dst = advance(pcm_buf, clipped * hw->info.bytes_per_frame); | |
679 | size_t samples_till_end_of_buf = hw->mix_buf->size - pos; | |
680 | size_t samples_to_clip = MIN(len, samples_till_end_of_buf); | |
681 | ||
682 | hw->clip(dst, src, samples_to_clip); | |
683 | ||
684 | pos = (pos + samples_to_clip) % hw->mix_buf->size; | |
685 | len -= samples_to_clip; | |
686 | clipped += samples_to_clip; | |
687 | } | |
688 | } | |
689 | ||
1d14ffa9 FB |
690 | /* |
691 | * Soft voice (playback) | |
692 | */ | |
7520462b | 693 | static size_t audio_pcm_sw_write(SWVoiceOut *sw, void *buf, size_t size) |
85571bc7 | 694 | { |
9833438e VR |
695 | size_t hwsamples, samples, isamp, osamp, wpos, live, dead, left, blck; |
696 | size_t hw_free; | |
7520462b | 697 | size_t ret = 0, pos = 0, total = 0; |
85571bc7 | 698 | |
1d14ffa9 FB |
699 | if (!sw) { |
700 | return size; | |
701 | } | |
85571bc7 | 702 | |
dc88e38f | 703 | hwsamples = sw->hw->mix_buf->size; |
85571bc7 | 704 | |
1d14ffa9 | 705 | live = sw->total_hw_samples_mixed; |
7520462b | 706 | if (audio_bug(__func__, live > hwsamples)) { |
dc88e38f | 707 | dolog("live=%zu hw->mix_buf->size=%zu\n", live, hwsamples); |
8e30d39b | 708 | abort(); |
1d14ffa9 | 709 | } |
85571bc7 | 710 | |
1d14ffa9 | 711 | if (live == hwsamples) { |
ec36b695 | 712 | #ifdef DEBUG_OUT |
0c29b786 | 713 | dolog ("%s is full %zu\n", sw->name, live); |
ec36b695 | 714 | #endif |
1d14ffa9 FB |
715 | return 0; |
716 | } | |
85571bc7 | 717 | |
dc88e38f | 718 | wpos = (sw->hw->mix_buf->pos + live) % hwsamples; |
85571bc7 | 719 | |
1d14ffa9 | 720 | dead = hwsamples - live; |
9833438e VR |
721 | hw_free = audio_pcm_hw_get_free(sw->hw); |
722 | hw_free = hw_free > live ? hw_free - live : 0; | |
723 | samples = ((int64_t)MIN(dead, hw_free) << 32) / sw->ratio; | |
724 | samples = MIN(samples, size / sw->info.bytes_per_frame); | |
725 | if (samples) { | |
726 | sw->conv(sw->buf, buf, samples); | |
c01b2456 | 727 | |
669b9522 | 728 | if (!sw->hw->pcm_ops->volume_out) { |
9833438e | 729 | mixeng_volume(sw->buf, samples, &sw->vol); |
c01b2456 | 730 | } |
1d14ffa9 FB |
731 | } |
732 | ||
9833438e | 733 | while (samples) { |
1d14ffa9 FB |
734 | dead = hwsamples - live; |
735 | left = hwsamples - wpos; | |
58935915 | 736 | blck = MIN (dead, left); |
1d14ffa9 FB |
737 | if (!blck) { |
738 | break; | |
739 | } | |
9833438e | 740 | isamp = samples; |
1d14ffa9 FB |
741 | osamp = blck; |
742 | st_rate_flow_mix ( | |
743 | sw->rate, | |
744 | sw->buf + pos, | |
dc88e38f | 745 | sw->hw->mix_buf->samples + wpos, |
1d14ffa9 FB |
746 | &isamp, |
747 | &osamp | |
748 | ); | |
749 | ret += isamp; | |
9833438e | 750 | samples -= isamp; |
1d14ffa9 FB |
751 | pos += isamp; |
752 | live += osamp; | |
753 | wpos = (wpos + osamp) % hwsamples; | |
754 | total += osamp; | |
755 | } | |
756 | ||
757 | sw->total_hw_samples_mixed += total; | |
758 | sw->empty = sw->total_hw_samples_mixed == 0; | |
759 | ||
760 | #ifdef DEBUG_OUT | |
761 | dolog ( | |
7520462b | 762 | "%s: write size %zu ret %zu total sw %zu\n", |
c0fe3827 | 763 | SW_NAME (sw), |
2b9cce8c | 764 | size / sw->info.bytes_per_frame, |
1d14ffa9 | 765 | ret, |
c0fe3827 | 766 | sw->total_hw_samples_mixed |
1d14ffa9 FB |
767 | ); |
768 | #endif | |
769 | ||
2b9cce8c | 770 | return ret * sw->info.bytes_per_frame; |
85571bc7 FB |
771 | } |
772 | ||
1d14ffa9 FB |
773 | #ifdef DEBUG_AUDIO |
774 | static void audio_pcm_print_info (const char *cap, struct audio_pcm_info *info) | |
85571bc7 | 775 | { |
ed2a4a79 KZ |
776 | dolog("%s: bits %d, sign %d, float %d, freq %d, nchan %d\n", |
777 | cap, info->bits, info->is_signed, info->is_float, info->freq, | |
778 | info->nchannels); | |
85571bc7 | 779 | } |
1d14ffa9 | 780 | #endif |
85571bc7 | 781 | |
1d14ffa9 FB |
782 | #define DAC |
783 | #include "audio_template.h" | |
784 | #undef DAC | |
785 | #include "audio_template.h" | |
786 | ||
713a98f8 | 787 | /* |
788 | * Timer | |
789 | */ | |
526fb058 | 790 | static int audio_is_timer_needed(AudioState *s) |
713a98f8 | 791 | { |
792 | HWVoiceIn *hwi = NULL; | |
793 | HWVoiceOut *hwo = NULL; | |
794 | ||
526fb058 | 795 | while ((hwo = audio_pcm_hw_find_any_enabled_out(s, hwo))) { |
6c6886bd ZH |
796 | if (!hwo->poll_mode) { |
797 | return 1; | |
798 | } | |
713a98f8 | 799 | } |
526fb058 | 800 | while ((hwi = audio_pcm_hw_find_any_enabled_in(s, hwi))) { |
6c6886bd ZH |
801 | if (!hwi->poll_mode) { |
802 | return 1; | |
803 | } | |
713a98f8 | 804 | } |
805 | return 0; | |
806 | } | |
807 | ||
39deb1e4 | 808 | static void audio_reset_timer (AudioState *s) |
713a98f8 | 809 | { |
526fb058 | 810 | if (audio_is_timer_needed(s)) { |
1ffc2665 | 811 | timer_mod_anticipate_ns(s->ts, |
71830221 | 812 | qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + s->period_ticks); |
526fb058 KZ |
813 | if (!s->timer_running) { |
814 | s->timer_running = true; | |
815 | s->timer_last = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); | |
71830221 | 816 | trace_audio_timer_start(s->period_ticks / SCALE_MS); |
1a961e78 GH |
817 | } |
818 | } else { | |
819 | timer_del(s->ts); | |
526fb058 KZ |
820 | if (s->timer_running) { |
821 | s->timer_running = false; | |
1a961e78 GH |
822 | trace_audio_timer_stop(); |
823 | } | |
713a98f8 | 824 | } |
825 | } | |
826 | ||
39deb1e4 | 827 | static void audio_timer (void *opaque) |
828 | { | |
1a961e78 | 829 | int64_t now, diff; |
71830221 | 830 | AudioState *s = opaque; |
1a961e78 GH |
831 | |
832 | now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); | |
526fb058 | 833 | diff = now - s->timer_last; |
71830221 | 834 | if (diff > s->period_ticks * 3 / 2) { |
1a961e78 GH |
835 | trace_audio_timer_delayed(diff / SCALE_MS); |
836 | } | |
526fb058 | 837 | s->timer_last = now; |
1a961e78 | 838 | |
18e2c177 | 839 | audio_run(s, "timer"); |
71830221 | 840 | audio_reset_timer(s); |
39deb1e4 | 841 | } |
842 | ||
713a98f8 | 843 | /* |
844 | * Public API | |
845 | */ | |
7520462b | 846 | size_t AUD_write(SWVoiceOut *sw, void *buf, size_t size) |
85571bc7 | 847 | { |
1930616b KZ |
848 | HWVoiceOut *hw; |
849 | ||
1d14ffa9 FB |
850 | if (!sw) { |
851 | /* XXX: Consider options */ | |
852 | return size; | |
853 | } | |
1930616b | 854 | hw = sw->hw; |
85571bc7 | 855 | |
1930616b | 856 | if (!hw->enabled) { |
c0fe3827 | 857 | dolog ("Writing to disabled voice %s\n", SW_NAME (sw)); |
85571bc7 FB |
858 | return 0; |
859 | } | |
860 | ||
1930616b KZ |
861 | if (audio_get_pdo_out(hw->s->dev)->mixing_engine) { |
862 | return audio_pcm_sw_write(sw, buf, size); | |
863 | } else { | |
864 | return hw->pcm_ops->write(hw, buf, size); | |
865 | } | |
1d14ffa9 FB |
866 | } |
867 | ||
7520462b | 868 | size_t AUD_read(SWVoiceIn *sw, void *buf, size_t size) |
1d14ffa9 | 869 | { |
1930616b KZ |
870 | HWVoiceIn *hw; |
871 | ||
1d14ffa9 FB |
872 | if (!sw) { |
873 | /* XXX: Consider options */ | |
874 | return size; | |
85571bc7 | 875 | } |
1930616b | 876 | hw = sw->hw; |
1d14ffa9 | 877 | |
1930616b | 878 | if (!hw->enabled) { |
c0fe3827 | 879 | dolog ("Reading from disabled voice %s\n", SW_NAME (sw)); |
1d14ffa9 | 880 | return 0; |
85571bc7 | 881 | } |
1d14ffa9 | 882 | |
1930616b KZ |
883 | if (audio_get_pdo_in(hw->s->dev)->mixing_engine) { |
884 | return audio_pcm_sw_read(sw, buf, size); | |
885 | } else { | |
886 | return hw->pcm_ops->read(hw, buf, size); | |
887 | } | |
85571bc7 FB |
888 | } |
889 | ||
69ac0786 | 890 | int AUD_get_buffer_size_out(SWVoiceOut *sw) |
85571bc7 | 891 | { |
69ac0786 | 892 | return sw->hw->samples * sw->hw->info.bytes_per_frame; |
1d14ffa9 FB |
893 | } |
894 | ||
895 | void AUD_set_active_out (SWVoiceOut *sw, int on) | |
896 | { | |
897 | HWVoiceOut *hw; | |
85571bc7 | 898 | |
1d14ffa9 | 899 | if (!sw) { |
85571bc7 | 900 | return; |
1d14ffa9 | 901 | } |
85571bc7 FB |
902 | |
903 | hw = sw->hw; | |
1d14ffa9 | 904 | if (sw->active != on) { |
526fb058 | 905 | AudioState *s = sw->s; |
1d14ffa9 | 906 | SWVoiceOut *temp_sw; |
ec36b695 | 907 | SWVoiceCap *sc; |
1d14ffa9 FB |
908 | |
909 | if (on) { | |
1d14ffa9 FB |
910 | hw->pending_disable = 0; |
911 | if (!hw->enabled) { | |
912 | hw->enabled = 1; | |
978dd635 | 913 | if (s->vm_running) { |
571a8c52 KZ |
914 | if (hw->pcm_ops->enable_out) { |
915 | hw->pcm_ops->enable_out(hw, true); | |
916 | } | |
39deb1e4 | 917 | audio_reset_timer (s); |
978dd635 | 918 | } |
1d14ffa9 | 919 | } |
6c6886bd | 920 | } else { |
1d14ffa9 FB |
921 | if (hw->enabled) { |
922 | int nb_active = 0; | |
923 | ||
924 | for (temp_sw = hw->sw_head.lh_first; temp_sw; | |
925 | temp_sw = temp_sw->entries.le_next) { | |
926 | nb_active += temp_sw->active != 0; | |
927 | } | |
928 | ||
929 | hw->pending_disable = nb_active == 1; | |
930 | } | |
85571bc7 | 931 | } |
ec36b695 FB |
932 | |
933 | for (sc = hw->cap_head.lh_first; sc; sc = sc->entries.le_next) { | |
934 | sc->sw.active = hw->enabled; | |
8ead62cf | 935 | if (hw->enabled) { |
ec36b695 | 936 | audio_capture_maybe_changed (sc->cap, 1); |
8ead62cf FB |
937 | } |
938 | } | |
1d14ffa9 FB |
939 | sw->active = on; |
940 | } | |
941 | } | |
942 | ||
943 | void AUD_set_active_in (SWVoiceIn *sw, int on) | |
944 | { | |
945 | HWVoiceIn *hw; | |
946 | ||
947 | if (!sw) { | |
948 | return; | |
85571bc7 FB |
949 | } |
950 | ||
1d14ffa9 | 951 | hw = sw->hw; |
85571bc7 | 952 | if (sw->active != on) { |
526fb058 | 953 | AudioState *s = sw->s; |
1d14ffa9 FB |
954 | SWVoiceIn *temp_sw; |
955 | ||
85571bc7 | 956 | if (on) { |
85571bc7 FB |
957 | if (!hw->enabled) { |
958 | hw->enabled = 1; | |
978dd635 | 959 | if (s->vm_running) { |
571a8c52 KZ |
960 | if (hw->pcm_ops->enable_in) { |
961 | hw->pcm_ops->enable_in(hw, true); | |
962 | } | |
39deb1e4 | 963 | audio_reset_timer (s); |
978dd635 | 964 | } |
85571bc7 | 965 | } |
1d14ffa9 | 966 | sw->total_hw_samples_acquired = hw->total_samples_captured; |
6c6886bd | 967 | } else { |
1d14ffa9 | 968 | if (hw->enabled) { |
85571bc7 | 969 | int nb_active = 0; |
1d14ffa9 FB |
970 | |
971 | for (temp_sw = hw->sw_head.lh_first; temp_sw; | |
972 | temp_sw = temp_sw->entries.le_next) { | |
973 | nb_active += temp_sw->active != 0; | |
85571bc7 FB |
974 | } |
975 | ||
976 | if (nb_active == 1) { | |
1d14ffa9 | 977 | hw->enabled = 0; |
571a8c52 KZ |
978 | if (hw->pcm_ops->enable_in) { |
979 | hw->pcm_ops->enable_in(hw, false); | |
980 | } | |
85571bc7 FB |
981 | } |
982 | } | |
983 | } | |
984 | sw->active = on; | |
985 | } | |
986 | } | |
987 | ||
7520462b | 988 | static size_t audio_get_avail (SWVoiceIn *sw) |
1d14ffa9 | 989 | { |
7520462b | 990 | size_t live; |
1d14ffa9 FB |
991 | |
992 | if (!sw) { | |
993 | return 0; | |
994 | } | |
995 | ||
996 | live = sw->hw->total_samples_captured - sw->total_hw_samples_acquired; | |
dc88e38f KZ |
997 | if (audio_bug(__func__, live > sw->hw->conv_buf->size)) { |
998 | dolog("live=%zu sw->hw->conv_buf->size=%zu\n", live, | |
999 | sw->hw->conv_buf->size); | |
8e30d39b | 1000 | abort(); |
1d14ffa9 FB |
1001 | } |
1002 | ||
1003 | ldebug ( | |
0c29b786 | 1004 | "%s: get_avail live %zu ret %" PRId64 "\n", |
c0fe3827 | 1005 | SW_NAME (sw), |
2b9cce8c | 1006 | live, (((int64_t) live << 32) / sw->ratio) * sw->info.bytes_per_frame |
1d14ffa9 FB |
1007 | ); |
1008 | ||
2b9cce8c | 1009 | return (((int64_t) live << 32) / sw->ratio) * sw->info.bytes_per_frame; |
1d14ffa9 FB |
1010 | } |
1011 | ||
9833438e VR |
1012 | static size_t audio_sw_bytes_free(SWVoiceOut *sw, size_t free) |
1013 | { | |
1014 | return (((int64_t)free << 32) / sw->ratio) * sw->info.bytes_per_frame; | |
1015 | } | |
1016 | ||
7520462b | 1017 | static size_t audio_get_free(SWVoiceOut *sw) |
1d14ffa9 | 1018 | { |
7520462b | 1019 | size_t live, dead; |
1d14ffa9 FB |
1020 | |
1021 | if (!sw) { | |
1022 | return 0; | |
1023 | } | |
1024 | ||
1025 | live = sw->total_hw_samples_mixed; | |
1026 | ||
dc88e38f KZ |
1027 | if (audio_bug(__func__, live > sw->hw->mix_buf->size)) { |
1028 | dolog("live=%zu sw->hw->mix_buf->size=%zu\n", live, | |
1029 | sw->hw->mix_buf->size); | |
8e30d39b | 1030 | abort(); |
1d14ffa9 FB |
1031 | } |
1032 | ||
dc88e38f | 1033 | dead = sw->hw->mix_buf->size - live; |
1d14ffa9 FB |
1034 | |
1035 | #ifdef DEBUG_OUT | |
9833438e VR |
1036 | dolog("%s: get_free live %zu dead %zu sw_bytes %zu\n", |
1037 | SW_NAME(sw), live, dead, audio_sw_bytes_free(sw, dead)); | |
85571bc7 | 1038 | #endif |
1d14ffa9 | 1039 | |
9833438e | 1040 | return dead; |
1d14ffa9 FB |
1041 | } |
1042 | ||
7520462b KZ |
1043 | static void audio_capture_mix_and_clear(HWVoiceOut *hw, size_t rpos, |
1044 | size_t samples) | |
8ead62cf | 1045 | { |
7520462b | 1046 | size_t n; |
8ead62cf FB |
1047 | |
1048 | if (hw->enabled) { | |
ec36b695 | 1049 | SWVoiceCap *sc; |
8ead62cf | 1050 | |
ec36b695 FB |
1051 | for (sc = hw->cap_head.lh_first; sc; sc = sc->entries.le_next) { |
1052 | SWVoiceOut *sw = &sc->sw; | |
8ead62cf FB |
1053 | int rpos2 = rpos; |
1054 | ||
1055 | n = samples; | |
1056 | while (n) { | |
dc88e38f | 1057 | size_t till_end_of_hw = hw->mix_buf->size - rpos2; |
7520462b | 1058 | size_t to_write = MIN(till_end_of_hw, n); |
2b9cce8c | 1059 | size_t bytes = to_write * hw->info.bytes_per_frame; |
7520462b | 1060 | size_t written; |
8ead62cf | 1061 | |
dc88e38f | 1062 | sw->buf = hw->mix_buf->samples + rpos2; |
8ead62cf FB |
1063 | written = audio_pcm_sw_write (sw, NULL, bytes); |
1064 | if (written - bytes) { | |
7520462b KZ |
1065 | dolog("Could not mix %zu bytes into a capture " |
1066 | "buffer, mixed %zu\n", | |
1067 | bytes, written); | |
8ead62cf FB |
1068 | break; |
1069 | } | |
1070 | n -= to_write; | |
dc88e38f | 1071 | rpos2 = (rpos2 + to_write) % hw->mix_buf->size; |
8ead62cf FB |
1072 | } |
1073 | } | |
1074 | } | |
1075 | ||
dc88e38f KZ |
1076 | n = MIN(samples, hw->mix_buf->size - rpos); |
1077 | mixeng_clear(hw->mix_buf->samples + rpos, n); | |
1078 | mixeng_clear(hw->mix_buf->samples, samples - n); | |
8ead62cf FB |
1079 | } |
1080 | ||
ff095e52 KZ |
1081 | static size_t audio_pcm_hw_run_out(HWVoiceOut *hw, size_t live) |
1082 | { | |
1083 | size_t clipped = 0; | |
1084 | ||
1085 | while (live) { | |
aec6d0dc VR |
1086 | size_t size = live * hw->info.bytes_per_frame; |
1087 | size_t decr, proc; | |
ff095e52 | 1088 | void *buf = hw->pcm_ops->get_buffer_out(hw, &size); |
4c3356f9 VR |
1089 | |
1090 | if (size == 0) { | |
fb35c2ce | 1091 | break; |
ff095e52 KZ |
1092 | } |
1093 | ||
2b9cce8c | 1094 | decr = MIN(size / hw->info.bytes_per_frame, live); |
4c3356f9 VR |
1095 | if (buf) { |
1096 | audio_pcm_hw_clip_out(hw, buf, decr); | |
1097 | } | |
2b9cce8c KZ |
1098 | proc = hw->pcm_ops->put_buffer_out(hw, buf, |
1099 | decr * hw->info.bytes_per_frame) / | |
1100 | hw->info.bytes_per_frame; | |
ff095e52 KZ |
1101 | |
1102 | live -= proc; | |
1103 | clipped += proc; | |
dc88e38f | 1104 | hw->mix_buf->pos = (hw->mix_buf->pos + proc) % hw->mix_buf->size; |
ff095e52 KZ |
1105 | |
1106 | if (proc == 0 || proc < decr) { | |
1107 | break; | |
1108 | } | |
1109 | } | |
1110 | ||
fdc8c5f4 VR |
1111 | if (hw->pcm_ops->run_buffer_out) { |
1112 | hw->pcm_ops->run_buffer_out(hw); | |
1113 | } | |
1114 | ||
ff095e52 KZ |
1115 | return clipped; |
1116 | } | |
1117 | ||
c0fe3827 | 1118 | static void audio_run_out (AudioState *s) |
1d14ffa9 FB |
1119 | { |
1120 | HWVoiceOut *hw = NULL; | |
1121 | SWVoiceOut *sw; | |
1122 | ||
1930616b KZ |
1123 | if (!audio_get_pdo_out(s->dev)->mixing_engine) { |
1124 | while ((hw = audio_pcm_hw_find_any_enabled_out(s, hw))) { | |
1125 | /* there is exactly 1 sw for each hw with no mixeng */ | |
1126 | sw = hw->sw_head.lh_first; | |
1127 | ||
1128 | if (hw->pending_disable) { | |
1129 | hw->enabled = 0; | |
1130 | hw->pending_disable = 0; | |
1131 | if (hw->pcm_ops->enable_out) { | |
1132 | hw->pcm_ops->enable_out(hw, false); | |
1133 | } | |
1134 | } | |
1135 | ||
1136 | if (sw->active) { | |
1137 | sw->callback.fn(sw->callback.opaque, INT_MAX); | |
1138 | } | |
1139 | } | |
1140 | return; | |
1141 | } | |
1142 | ||
526fb058 | 1143 | while ((hw = audio_pcm_hw_find_any_enabled_out(s, hw))) { |
9833438e VR |
1144 | size_t played, live, prev_rpos; |
1145 | size_t hw_free = audio_pcm_hw_get_free(hw); | |
6fb0cd50 | 1146 | int nb_live; |
1d14ffa9 | 1147 | |
a806f959 VR |
1148 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { |
1149 | if (sw->active) { | |
9833438e VR |
1150 | size_t sw_free = audio_get_free(sw); |
1151 | size_t free; | |
1152 | ||
1153 | if (hw_free > sw->total_hw_samples_mixed) { | |
1154 | free = audio_sw_bytes_free(sw, | |
1155 | MIN(sw_free, hw_free - sw->total_hw_samples_mixed)); | |
1156 | } else { | |
1157 | free = 0; | |
1158 | } | |
a806f959 VR |
1159 | if (free > 0) { |
1160 | sw->callback.fn(sw->callback.opaque, free); | |
1161 | } | |
1162 | } | |
1163 | } | |
1164 | ||
bdff253c | 1165 | live = audio_pcm_hw_get_live_out (hw, &nb_live); |
1d14ffa9 FB |
1166 | if (!nb_live) { |
1167 | live = 0; | |
1168 | } | |
c0fe3827 | 1169 | |
dc88e38f KZ |
1170 | if (audio_bug(__func__, live > hw->mix_buf->size)) { |
1171 | dolog("live=%zu hw->mix_buf->size=%zu\n", live, hw->mix_buf->size); | |
8e30d39b | 1172 | abort(); |
1d14ffa9 FB |
1173 | } |
1174 | ||
1175 | if (hw->pending_disable && !nb_live) { | |
ec36b695 | 1176 | SWVoiceCap *sc; |
1d14ffa9 FB |
1177 | #ifdef DEBUG_OUT |
1178 | dolog ("Disabling voice\n"); | |
85571bc7 | 1179 | #endif |
1d14ffa9 FB |
1180 | hw->enabled = 0; |
1181 | hw->pending_disable = 0; | |
571a8c52 KZ |
1182 | if (hw->pcm_ops->enable_out) { |
1183 | hw->pcm_ops->enable_out(hw, false); | |
1184 | } | |
ec36b695 FB |
1185 | for (sc = hw->cap_head.lh_first; sc; sc = sc->entries.le_next) { |
1186 | sc->sw.active = 0; | |
1187 | audio_recalc_and_notify_capture (sc->cap); | |
8ead62cf | 1188 | } |
1d14ffa9 FB |
1189 | continue; |
1190 | } | |
1191 | ||
1192 | if (!live) { | |
a8a98cfd VR |
1193 | if (hw->pcm_ops->run_buffer_out) { |
1194 | hw->pcm_ops->run_buffer_out(hw); | |
1195 | } | |
1d14ffa9 FB |
1196 | continue; |
1197 | } | |
1198 | ||
dc88e38f | 1199 | prev_rpos = hw->mix_buf->pos; |
3f5bbfc2 | 1200 | played = audio_pcm_hw_run_out(hw, live); |
3d4d16f4 | 1201 | replay_audio_out(&played); |
dc88e38f KZ |
1202 | if (audio_bug(__func__, hw->mix_buf->pos >= hw->mix_buf->size)) { |
1203 | dolog("hw->mix_buf->pos=%zu hw->mix_buf->size=%zu played=%zu\n", | |
1204 | hw->mix_buf->pos, hw->mix_buf->size, played); | |
8e30d39b | 1205 | abort(); |
1d14ffa9 FB |
1206 | } |
1207 | ||
1208 | #ifdef DEBUG_OUT | |
7520462b | 1209 | dolog("played=%zu\n", played); |
85571bc7 | 1210 | #endif |
1d14ffa9 FB |
1211 | |
1212 | if (played) { | |
1213 | hw->ts_helper += played; | |
8ead62cf | 1214 | audio_capture_mix_and_clear (hw, prev_rpos, played); |
1d14ffa9 FB |
1215 | } |
1216 | ||
1217 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { | |
1d14ffa9 FB |
1218 | if (!sw->active && sw->empty) { |
1219 | continue; | |
1220 | } | |
1221 | ||
470bcabd | 1222 | if (audio_bug(__func__, played > sw->total_hw_samples_mixed)) { |
7520462b KZ |
1223 | dolog("played=%zu sw->total_hw_samples_mixed=%zu\n", |
1224 | played, sw->total_hw_samples_mixed); | |
8e30d39b | 1225 | abort(); |
1d14ffa9 FB |
1226 | } |
1227 | ||
1228 | sw->total_hw_samples_mixed -= played; | |
1229 | ||
1230 | if (!sw->total_hw_samples_mixed) { | |
1231 | sw->empty = 1; | |
1d14ffa9 | 1232 | } |
1d14ffa9 FB |
1233 | } |
1234 | } | |
1235 | } | |
1236 | ||
ff095e52 KZ |
1237 | static size_t audio_pcm_hw_run_in(HWVoiceIn *hw, size_t samples) |
1238 | { | |
1239 | size_t conv = 0; | |
1240 | ||
a2893c83 VR |
1241 | if (hw->pcm_ops->run_buffer_in) { |
1242 | hw->pcm_ops->run_buffer_in(hw); | |
1243 | } | |
1244 | ||
ff095e52 KZ |
1245 | while (samples) { |
1246 | size_t proc; | |
2b9cce8c | 1247 | size_t size = samples * hw->info.bytes_per_frame; |
ff095e52 KZ |
1248 | void *buf = hw->pcm_ops->get_buffer_in(hw, &size); |
1249 | ||
2b9cce8c | 1250 | assert(size % hw->info.bytes_per_frame == 0); |
ff095e52 | 1251 | if (size == 0) { |
ff095e52 KZ |
1252 | break; |
1253 | } | |
1254 | ||
251f1549 | 1255 | proc = audio_pcm_hw_conv_in(hw, buf, size / hw->info.bytes_per_frame); |
ff095e52 KZ |
1256 | |
1257 | samples -= proc; | |
1258 | conv += proc; | |
2b9cce8c | 1259 | hw->pcm_ops->put_buffer_in(hw, buf, proc * hw->info.bytes_per_frame); |
ff095e52 KZ |
1260 | } |
1261 | ||
1262 | return conv; | |
1263 | } | |
1264 | ||
c0fe3827 | 1265 | static void audio_run_in (AudioState *s) |
1d14ffa9 FB |
1266 | { |
1267 | HWVoiceIn *hw = NULL; | |
1268 | ||
1930616b KZ |
1269 | if (!audio_get_pdo_in(s->dev)->mixing_engine) { |
1270 | while ((hw = audio_pcm_hw_find_any_enabled_in(s, hw))) { | |
1271 | /* there is exactly 1 sw for each hw with no mixeng */ | |
1272 | SWVoiceIn *sw = hw->sw_head.lh_first; | |
1273 | if (sw->active) { | |
1274 | sw->callback.fn(sw->callback.opaque, INT_MAX); | |
1275 | } | |
1276 | } | |
1277 | return; | |
1278 | } | |
1279 | ||
526fb058 | 1280 | while ((hw = audio_pcm_hw_find_any_enabled_in(s, hw))) { |
1d14ffa9 | 1281 | SWVoiceIn *sw; |
7520462b | 1282 | size_t captured = 0, min; |
1d14ffa9 | 1283 | |
3d4d16f4 | 1284 | if (replay_mode != REPLAY_MODE_PLAY) { |
3f5bbfc2 | 1285 | captured = audio_pcm_hw_run_in( |
dc88e38f | 1286 | hw, hw->conv_buf->size - audio_pcm_hw_get_live_in(hw)); |
3d4d16f4 | 1287 | } |
dc88e38f KZ |
1288 | replay_audio_in(&captured, hw->conv_buf->samples, &hw->conv_buf->pos, |
1289 | hw->conv_buf->size); | |
1d14ffa9 FB |
1290 | |
1291 | min = audio_pcm_hw_find_min_in (hw); | |
1292 | hw->total_samples_captured += captured - min; | |
1293 | hw->ts_helper += captured; | |
1294 | ||
1295 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { | |
1296 | sw->total_hw_samples_acquired -= min; | |
1297 | ||
1298 | if (sw->active) { | |
7520462b | 1299 | size_t avail; |
1d14ffa9 FB |
1300 | |
1301 | avail = audio_get_avail (sw); | |
1302 | if (avail > 0) { | |
1303 | sw->callback.fn (sw->callback.opaque, avail); | |
1304 | } | |
1305 | } | |
1306 | } | |
1307 | } | |
1308 | } | |
1309 | ||
8ead62cf FB |
1310 | static void audio_run_capture (AudioState *s) |
1311 | { | |
1312 | CaptureVoiceOut *cap; | |
1313 | ||
1314 | for (cap = s->cap_head.lh_first; cap; cap = cap->entries.le_next) { | |
7520462b | 1315 | size_t live, rpos, captured; |
8ead62cf FB |
1316 | HWVoiceOut *hw = &cap->hw; |
1317 | SWVoiceOut *sw; | |
1318 | ||
bdff253c | 1319 | captured = live = audio_pcm_hw_get_live_out (hw, NULL); |
dc88e38f | 1320 | rpos = hw->mix_buf->pos; |
8ead62cf | 1321 | while (live) { |
dc88e38f | 1322 | size_t left = hw->mix_buf->size - rpos; |
7520462b | 1323 | size_t to_capture = MIN(live, left); |
1ea879e5 | 1324 | struct st_sample *src; |
8ead62cf FB |
1325 | struct capture_callback *cb; |
1326 | ||
dc88e38f | 1327 | src = hw->mix_buf->samples + rpos; |
8ead62cf FB |
1328 | hw->clip (cap->buf, src, to_capture); |
1329 | mixeng_clear (src, to_capture); | |
1330 | ||
1331 | for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) { | |
1332 | cb->ops.capture (cb->opaque, cap->buf, | |
2b9cce8c | 1333 | to_capture * hw->info.bytes_per_frame); |
8ead62cf | 1334 | } |
dc88e38f | 1335 | rpos = (rpos + to_capture) % hw->mix_buf->size; |
8ead62cf FB |
1336 | live -= to_capture; |
1337 | } | |
dc88e38f | 1338 | hw->mix_buf->pos = rpos; |
8ead62cf FB |
1339 | |
1340 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { | |
1341 | if (!sw->active && sw->empty) { | |
1342 | continue; | |
1343 | } | |
1344 | ||
470bcabd | 1345 | if (audio_bug(__func__, captured > sw->total_hw_samples_mixed)) { |
7520462b KZ |
1346 | dolog("captured=%zu sw->total_hw_samples_mixed=%zu\n", |
1347 | captured, sw->total_hw_samples_mixed); | |
8e30d39b | 1348 | abort(); |
8ead62cf FB |
1349 | } |
1350 | ||
1351 | sw->total_hw_samples_mixed -= captured; | |
1352 | sw->empty = sw->total_hw_samples_mixed == 0; | |
1353 | } | |
1354 | } | |
1355 | } | |
1356 | ||
18e2c177 | 1357 | void audio_run(AudioState *s, const char *msg) |
571ec3d6 | 1358 | { |
18e2c177 KZ |
1359 | audio_run_out(s); |
1360 | audio_run_in(s); | |
1361 | audio_run_capture(s); | |
571ec3d6 | 1362 | |
713a98f8 | 1363 | #ifdef DEBUG_POLL |
1364 | { | |
1365 | static double prevtime; | |
1366 | double currtime; | |
1367 | struct timeval tv; | |
571ec3d6 | 1368 | |
713a98f8 | 1369 | if (gettimeofday (&tv, NULL)) { |
1370 | perror ("audio_run: gettimeofday"); | |
1371 | return; | |
1372 | } | |
1373 | ||
1374 | currtime = tv.tv_sec + tv.tv_usec * 1e-6; | |
1375 | dolog ("Elapsed since last %s: %f\n", msg, currtime - prevtime); | |
1376 | prevtime = currtime; | |
1377 | } | |
1378 | #endif | |
571ec3d6 FB |
1379 | } |
1380 | ||
a2893c83 | 1381 | void audio_generic_run_buffer_in(HWVoiceIn *hw) |
ff095e52 | 1382 | { |
ff095e52 | 1383 | if (unlikely(!hw->buf_emul)) { |
1d8549ad VR |
1384 | hw->size_emul = hw->samples * hw->info.bytes_per_frame; |
1385 | hw->buf_emul = g_malloc(hw->size_emul); | |
ff095e52 KZ |
1386 | hw->pos_emul = hw->pending_emul = 0; |
1387 | } | |
1388 | ||
1389 | while (hw->pending_emul < hw->size_emul) { | |
1390 | size_t read_len = MIN(hw->size_emul - hw->pos_emul, | |
1391 | hw->size_emul - hw->pending_emul); | |
1392 | size_t read = hw->pcm_ops->read(hw, hw->buf_emul + hw->pos_emul, | |
1393 | read_len); | |
1394 | hw->pending_emul += read; | |
7ffc90f3 | 1395 | hw->pos_emul = (hw->pos_emul + read) % hw->size_emul; |
ff095e52 KZ |
1396 | if (read < read_len) { |
1397 | break; | |
1398 | } | |
1399 | } | |
a2893c83 VR |
1400 | } |
1401 | ||
1402 | void *audio_generic_get_buffer_in(HWVoiceIn *hw, size_t *size) | |
1403 | { | |
18404ff1 | 1404 | size_t start; |
ff095e52 | 1405 | |
18404ff1 VR |
1406 | start = audio_ring_posb(hw->pos_emul, hw->pending_emul, hw->size_emul); |
1407 | assert(start < hw->size_emul); | |
ff095e52 | 1408 | |
599eac4e VR |
1409 | *size = MIN(*size, hw->pending_emul); |
1410 | *size = MIN(*size, hw->size_emul - start); | |
ff095e52 KZ |
1411 | return hw->buf_emul + start; |
1412 | } | |
1413 | ||
1414 | void audio_generic_put_buffer_in(HWVoiceIn *hw, void *buf, size_t size) | |
1415 | { | |
1416 | assert(size <= hw->pending_emul); | |
1417 | hw->pending_emul -= size; | |
1418 | } | |
1419 | ||
9833438e VR |
1420 | size_t audio_generic_buffer_get_free(HWVoiceOut *hw) |
1421 | { | |
1422 | if (hw->buf_emul) { | |
1423 | return hw->size_emul - hw->pending_emul; | |
1424 | } else { | |
1425 | return hw->samples * hw->info.bytes_per_frame; | |
1426 | } | |
1427 | } | |
1428 | ||
fdc8c5f4 VR |
1429 | void audio_generic_run_buffer_out(HWVoiceOut *hw) |
1430 | { | |
1431 | while (hw->pending_emul) { | |
18404ff1 | 1432 | size_t write_len, written, start; |
fdc8c5f4 | 1433 | |
18404ff1 VR |
1434 | start = audio_ring_posb(hw->pos_emul, hw->pending_emul, hw->size_emul); |
1435 | assert(start < hw->size_emul); | |
fdc8c5f4 VR |
1436 | |
1437 | write_len = MIN(hw->pending_emul, hw->size_emul - start); | |
1438 | ||
1439 | written = hw->pcm_ops->write(hw, hw->buf_emul + start, write_len); | |
1440 | hw->pending_emul -= written; | |
1441 | ||
1442 | if (written < write_len) { | |
1443 | break; | |
1444 | } | |
1445 | } | |
1446 | } | |
1447 | ||
ff095e52 KZ |
1448 | void *audio_generic_get_buffer_out(HWVoiceOut *hw, size_t *size) |
1449 | { | |
1450 | if (unlikely(!hw->buf_emul)) { | |
1d8549ad VR |
1451 | hw->size_emul = hw->samples * hw->info.bytes_per_frame; |
1452 | hw->buf_emul = g_malloc(hw->size_emul); | |
ff095e52 KZ |
1453 | hw->pos_emul = hw->pending_emul = 0; |
1454 | } | |
1455 | ||
1456 | *size = MIN(hw->size_emul - hw->pending_emul, | |
1457 | hw->size_emul - hw->pos_emul); | |
1458 | return hw->buf_emul + hw->pos_emul; | |
1459 | } | |
1460 | ||
fdc8c5f4 | 1461 | size_t audio_generic_put_buffer_out(HWVoiceOut *hw, void *buf, size_t size) |
ff095e52 KZ |
1462 | { |
1463 | assert(buf == hw->buf_emul + hw->pos_emul && | |
1464 | size + hw->pending_emul <= hw->size_emul); | |
1465 | ||
1466 | hw->pending_emul += size; | |
1467 | hw->pos_emul = (hw->pos_emul + size) % hw->size_emul; | |
1468 | ||
1469 | return size; | |
1470 | } | |
1471 | ||
ff095e52 KZ |
1472 | size_t audio_generic_write(HWVoiceOut *hw, void *buf, size_t size) |
1473 | { | |
2d882307 VR |
1474 | size_t total = 0; |
1475 | ||
9833438e VR |
1476 | if (hw->pcm_ops->buffer_get_free) { |
1477 | size_t free = hw->pcm_ops->buffer_get_free(hw); | |
1478 | ||
1479 | size = MIN(size, free); | |
1480 | } | |
1481 | ||
2d882307 VR |
1482 | while (total < size) { |
1483 | size_t dst_size = size - total; | |
1484 | size_t copy_size, proc; | |
1485 | void *dst = hw->pcm_ops->get_buffer_out(hw, &dst_size); | |
ff095e52 | 1486 | |
2d882307 VR |
1487 | if (dst_size == 0) { |
1488 | break; | |
1489 | } | |
1490 | ||
1491 | copy_size = MIN(size - total, dst_size); | |
1492 | if (dst) { | |
1493 | memcpy(dst, (char *)buf + total, copy_size); | |
1494 | } | |
1495 | proc = hw->pcm_ops->put_buffer_out(hw, dst, copy_size); | |
1496 | total += proc; | |
1497 | ||
1498 | if (proc == 0 || proc < copy_size) { | |
1499 | break; | |
1500 | } | |
1501 | } | |
1502 | ||
1503 | if (hw->pcm_ops->run_buffer_out) { | |
1504 | hw->pcm_ops->run_buffer_out(hw); | |
1505 | } | |
1506 | ||
1507 | return total; | |
ff095e52 KZ |
1508 | } |
1509 | ||
1510 | size_t audio_generic_read(HWVoiceIn *hw, void *buf, size_t size) | |
1511 | { | |
b9896dc5 | 1512 | size_t total = 0; |
ff095e52 | 1513 | |
a2893c83 VR |
1514 | if (hw->pcm_ops->run_buffer_in) { |
1515 | hw->pcm_ops->run_buffer_in(hw); | |
1516 | } | |
1517 | ||
b9896dc5 VR |
1518 | while (total < size) { |
1519 | size_t src_size = size - total; | |
1520 | void *src = hw->pcm_ops->get_buffer_in(hw, &src_size); | |
ff095e52 | 1521 | |
b9896dc5 | 1522 | if (src_size == 0) { |
b9896dc5 VR |
1523 | break; |
1524 | } | |
1525 | ||
1526 | memcpy((char *)buf + total, src, src_size); | |
1527 | hw->pcm_ops->put_buffer_in(hw, src, src_size); | |
1528 | total += src_size; | |
1529 | } | |
1530 | ||
1531 | return total; | |
8d1439b6 | 1532 | } |
ff095e52 | 1533 | |
71830221 KZ |
1534 | static int audio_driver_init(AudioState *s, struct audio_driver *drv, |
1535 | bool msg, Audiodev *dev) | |
85571bc7 | 1536 | { |
71830221 | 1537 | s->drv_opaque = drv->init(dev); |
1d14ffa9 | 1538 | |
c0fe3827 | 1539 | if (s->drv_opaque) { |
ff095e52 KZ |
1540 | if (!drv->pcm_ops->get_buffer_in) { |
1541 | drv->pcm_ops->get_buffer_in = audio_generic_get_buffer_in; | |
1542 | drv->pcm_ops->put_buffer_in = audio_generic_put_buffer_in; | |
1543 | } | |
1544 | if (!drv->pcm_ops->get_buffer_out) { | |
1545 | drv->pcm_ops->get_buffer_out = audio_generic_get_buffer_out; | |
1546 | drv->pcm_ops->put_buffer_out = audio_generic_put_buffer_out; | |
1547 | } | |
1548 | ||
526fb058 KZ |
1549 | audio_init_nb_voices_out(s, drv); |
1550 | audio_init_nb_voices_in(s, drv); | |
c0fe3827 | 1551 | s->drv = drv; |
1d14ffa9 | 1552 | return 0; |
6c6886bd | 1553 | } else { |
fb37ce92 GH |
1554 | if (msg) { |
1555 | dolog("Could not init `%s' audio driver\n", drv->name); | |
1556 | } | |
1d14ffa9 | 1557 | return -1; |
85571bc7 FB |
1558 | } |
1559 | } | |
1560 | ||
538f0497 | 1561 | static void audio_vm_change_state_handler (void *opaque, bool running, |
1dfb4dd9 | 1562 | RunState state) |
85571bc7 | 1563 | { |
c0fe3827 | 1564 | AudioState *s = opaque; |
1d14ffa9 FB |
1565 | HWVoiceOut *hwo = NULL; |
1566 | HWVoiceIn *hwi = NULL; | |
1d14ffa9 | 1567 | |
978dd635 | 1568 | s->vm_running = running; |
526fb058 | 1569 | while ((hwo = audio_pcm_hw_find_any_enabled_out(s, hwo))) { |
571a8c52 KZ |
1570 | if (hwo->pcm_ops->enable_out) { |
1571 | hwo->pcm_ops->enable_out(hwo, running); | |
1572 | } | |
1d14ffa9 | 1573 | } |
85571bc7 | 1574 | |
526fb058 | 1575 | while ((hwi = audio_pcm_hw_find_any_enabled_in(s, hwi))) { |
571a8c52 KZ |
1576 | if (hwi->pcm_ops->enable_in) { |
1577 | hwi->pcm_ops->enable_in(hwi, running); | |
1578 | } | |
85571bc7 | 1579 | } |
39deb1e4 | 1580 | audio_reset_timer (s); |
85571bc7 FB |
1581 | } |
1582 | ||
ecd97e95 | 1583 | static void free_audio_state(AudioState *s) |
85571bc7 | 1584 | { |
a384c205 MAL |
1585 | HWVoiceOut *hwo, *hwon; |
1586 | HWVoiceIn *hwi, *hwin; | |
1d14ffa9 | 1587 | |
526fb058 | 1588 | QLIST_FOREACH_SAFE(hwo, &s->hw_head_out, entries, hwon) { |
ec36b695 | 1589 | SWVoiceCap *sc; |
8ead62cf | 1590 | |
571a8c52 KZ |
1591 | if (hwo->enabled && hwo->pcm_ops->enable_out) { |
1592 | hwo->pcm_ops->enable_out(hwo, false); | |
aeb29b64 | 1593 | } |
1d14ffa9 | 1594 | hwo->pcm_ops->fini_out (hwo); |
8ead62cf | 1595 | |
ec36b695 FB |
1596 | for (sc = hwo->cap_head.lh_first; sc; sc = sc->entries.le_next) { |
1597 | CaptureVoiceOut *cap = sc->cap; | |
1598 | struct capture_callback *cb; | |
1599 | ||
1600 | for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) { | |
1601 | cb->ops.destroy (cb->opaque); | |
1602 | } | |
8ead62cf | 1603 | } |
a384c205 | 1604 | QLIST_REMOVE(hwo, entries); |
1d14ffa9 | 1605 | } |
85571bc7 | 1606 | |
526fb058 | 1607 | QLIST_FOREACH_SAFE(hwi, &s->hw_head_in, entries, hwin) { |
571a8c52 KZ |
1608 | if (hwi->enabled && hwi->pcm_ops->enable_in) { |
1609 | hwi->pcm_ops->enable_in(hwi, false); | |
aeb29b64 | 1610 | } |
1d14ffa9 | 1611 | hwi->pcm_ops->fini_in (hwi); |
a384c205 | 1612 | QLIST_REMOVE(hwi, entries); |
85571bc7 | 1613 | } |
c0fe3827 FB |
1614 | |
1615 | if (s->drv) { | |
1616 | s->drv->fini (s->drv_opaque); | |
a384c205 | 1617 | s->drv = NULL; |
c0fe3827 | 1618 | } |
71830221 KZ |
1619 | |
1620 | if (s->dev) { | |
1621 | qapi_free_Audiodev(s->dev); | |
1622 | s->dev = NULL; | |
1623 | } | |
e76ba19a KZ |
1624 | |
1625 | if (s->ts) { | |
1626 | timer_free(s->ts); | |
1627 | s->ts = NULL; | |
1628 | } | |
1629 | ||
ecd97e95 KZ |
1630 | g_free(s); |
1631 | } | |
1632 | ||
1633 | void audio_cleanup(void) | |
1634 | { | |
ecd97e95 KZ |
1635 | while (!QTAILQ_EMPTY(&audio_states)) { |
1636 | AudioState *s = QTAILQ_FIRST(&audio_states); | |
1637 | QTAILQ_REMOVE(&audio_states, s, list); | |
1638 | free_audio_state(s); | |
1639 | } | |
85571bc7 FB |
1640 | } |
1641 | ||
da77adba DDAG |
1642 | static bool vmstate_audio_needed(void *opaque) |
1643 | { | |
1644 | /* | |
1645 | * Never needed, this vmstate only exists in case | |
1646 | * an old qemu sends it to us. | |
1647 | */ | |
1648 | return false; | |
1649 | } | |
1650 | ||
d959fce9 JQ |
1651 | static const VMStateDescription vmstate_audio = { |
1652 | .name = "audio", | |
1653 | .version_id = 1, | |
1654 | .minimum_version_id = 1, | |
da77adba | 1655 | .needed = vmstate_audio_needed, |
35d08458 | 1656 | .fields = (VMStateField[]) { |
d959fce9 | 1657 | VMSTATE_END_OF_LIST() |
1d14ffa9 | 1658 | } |
d959fce9 | 1659 | }; |
85571bc7 | 1660 | |
71830221 KZ |
1661 | static void audio_validate_opts(Audiodev *dev, Error **errp); |
1662 | ||
1663 | static AudiodevListEntry *audiodev_find( | |
1664 | AudiodevListHead *head, const char *drvname) | |
1665 | { | |
1666 | AudiodevListEntry *e; | |
1667 | QSIMPLEQ_FOREACH(e, head, next) { | |
1668 | if (strcmp(AudiodevDriver_str(e->dev->driver), drvname) == 0) { | |
1669 | return e; | |
1670 | } | |
1671 | } | |
1672 | ||
1673 | return NULL; | |
1674 | } | |
1675 | ||
ecd97e95 KZ |
1676 | /* |
1677 | * if we have dev, this function was called because of an -audiodev argument => | |
1678 | * initialize a new state with it | |
1679 | * if dev == NULL => legacy implicit initialization, return the already created | |
1680 | * state or create a new one | |
1681 | */ | |
af2041ed | 1682 | static AudioState *audio_init(Audiodev *dev, const char *name) |
85571bc7 | 1683 | { |
ecd97e95 | 1684 | static bool atexit_registered; |
1d14ffa9 | 1685 | size_t i; |
85571bc7 | 1686 | int done = 0; |
71830221 | 1687 | const char *drvname = NULL; |
713a98f8 | 1688 | VMChangeStateEntry *e; |
ecd97e95 | 1689 | AudioState *s; |
d3893a39 | 1690 | struct audio_driver *driver; |
71830221 KZ |
1691 | /* silence gcc warning about uninitialized variable */ |
1692 | AudiodevListHead head = QSIMPLEQ_HEAD_INITIALIZER(head); | |
1d14ffa9 | 1693 | |
f0c4555e GH |
1694 | if (using_spice) { |
1695 | /* | |
1696 | * When using spice allow the spice audio driver being picked | |
1697 | * as default. | |
1698 | * | |
1699 | * Temporary hack. Using audio devices without explicit | |
1700 | * audiodev= property is already deprecated. Same goes for | |
1701 | * the -soundhw switch. Once this support gets finally | |
1702 | * removed we can also drop the concept of a default audio | |
1703 | * backend and this can go away. | |
1704 | */ | |
1705 | driver = audio_driver_lookup("spice"); | |
06c8c375 GH |
1706 | if (driver) { |
1707 | driver->can_be_default = 1; | |
1708 | } | |
f0c4555e GH |
1709 | } |
1710 | ||
71830221 KZ |
1711 | if (dev) { |
1712 | /* -audiodev option */ | |
af2041ed | 1713 | legacy_config = false; |
71830221 | 1714 | drvname = AudiodevDriver_str(dev->driver); |
ecd97e95 | 1715 | } else if (!QTAILQ_EMPTY(&audio_states)) { |
af2041ed | 1716 | if (!legacy_config) { |
4b3b7793 KZ |
1717 | dolog("Device %s: audiodev default parameter is deprecated, please " |
1718 | "specify audiodev=%s\n", name, | |
1719 | QTAILQ_FIRST(&audio_states)->dev->id); | |
af2041ed | 1720 | } |
ecd97e95 | 1721 | return QTAILQ_FIRST(&audio_states); |
71830221 KZ |
1722 | } else { |
1723 | /* legacy implicit initialization */ | |
1724 | head = audio_handle_legacy_opts(); | |
1725 | /* | |
1726 | * In case of legacy initialization, all Audiodevs in the list will have | |
e3a6e0da | 1727 | * the same configuration (except the driver), so it doesn't matter which |
71830221 KZ |
1728 | * one we chose. We need an Audiodev to set up AudioState before we can |
1729 | * init a driver. Also note that dev at this point is still in the | |
1730 | * list. | |
1731 | */ | |
1732 | dev = QSIMPLEQ_FIRST(&head)->dev; | |
1733 | audio_validate_opts(dev, &error_abort); | |
1734 | } | |
ecd97e95 | 1735 | |
b21e2380 | 1736 | s = g_new0(AudioState, 1); |
71830221 KZ |
1737 | s->dev = dev; |
1738 | ||
72cf2d4f BS |
1739 | QLIST_INIT (&s->hw_head_out); |
1740 | QLIST_INIT (&s->hw_head_in); | |
1741 | QLIST_INIT (&s->cap_head); | |
ecd97e95 KZ |
1742 | if (!atexit_registered) { |
1743 | atexit(audio_cleanup); | |
1744 | atexit_registered = true; | |
1745 | } | |
1746 | QTAILQ_INSERT_TAIL(&audio_states, s, list); | |
571ec3d6 | 1747 | |
bc72ad67 | 1748 | s->ts = timer_new_ns(QEMU_CLOCK_VIRTUAL, audio_timer, s); |
571ec3d6 | 1749 | |
71830221 KZ |
1750 | s->nb_hw_voices_out = audio_get_pdo_out(dev)->voices; |
1751 | s->nb_hw_voices_in = audio_get_pdo_in(dev)->voices; | |
c0fe3827 | 1752 | |
1d14ffa9 | 1753 | if (s->nb_hw_voices_out <= 0) { |
571ec3d6 | 1754 | dolog ("Bogus number of playback voices %d, setting to 1\n", |
1d14ffa9 FB |
1755 | s->nb_hw_voices_out); |
1756 | s->nb_hw_voices_out = 1; | |
1757 | } | |
1758 | ||
1759 | if (s->nb_hw_voices_in <= 0) { | |
571ec3d6 | 1760 | dolog ("Bogus number of capture voices %d, setting to 0\n", |
1d14ffa9 | 1761 | s->nb_hw_voices_in); |
571ec3d6 | 1762 | s->nb_hw_voices_in = 0; |
1d14ffa9 | 1763 | } |
85571bc7 | 1764 | |
85571bc7 | 1765 | if (drvname) { |
d3893a39 GH |
1766 | driver = audio_driver_lookup(drvname); |
1767 | if (driver) { | |
71830221 | 1768 | done = !audio_driver_init(s, driver, true, dev); |
d3893a39 | 1769 | } else { |
85571bc7 FB |
1770 | dolog ("Unknown audio driver `%s'\n", drvname); |
1771 | } | |
71830221 KZ |
1772 | } else { |
1773 | for (i = 0; audio_prio_list[i]; i++) { | |
1774 | AudiodevListEntry *e = audiodev_find(&head, audio_prio_list[i]); | |
d3893a39 | 1775 | driver = audio_driver_lookup(audio_prio_list[i]); |
71830221 KZ |
1776 | |
1777 | if (e && driver) { | |
1778 | s->dev = dev = e->dev; | |
1779 | audio_validate_opts(dev, &error_abort); | |
1780 | done = !audio_driver_init(s, driver, false, dev); | |
1781 | if (done) { | |
1782 | e->dev = NULL; | |
1783 | break; | |
1784 | } | |
1d14ffa9 | 1785 | } |
85571bc7 FB |
1786 | } |
1787 | } | |
71830221 | 1788 | audio_free_audiodev_list(&head); |
85571bc7 | 1789 | |
85571bc7 | 1790 | if (!done) { |
d3893a39 | 1791 | driver = audio_driver_lookup("none"); |
71830221 | 1792 | done = !audio_driver_init(s, driver, false, dev); |
7e274652 MA |
1793 | assert(done); |
1794 | dolog("warning: Using timer based audio emulation\n"); | |
85571bc7 | 1795 | } |
1d14ffa9 | 1796 | |
71830221 KZ |
1797 | if (dev->timer_period <= 0) { |
1798 | s->period_ticks = 1; | |
0d9acba8 | 1799 | } else { |
40ad46d3 | 1800 | s->period_ticks = dev->timer_period * (int64_t)SCALE_US; |
1d14ffa9 | 1801 | } |
0d9acba8 PB |
1802 | |
1803 | e = qemu_add_vm_change_state_handler (audio_vm_change_state_handler, s); | |
1804 | if (!e) { | |
1805 | dolog ("warning: Could not register change state handler\n" | |
1806 | "(Audio can continue looping even after stopping the VM)\n"); | |
1d14ffa9 FB |
1807 | } |
1808 | ||
72cf2d4f | 1809 | QLIST_INIT (&s->card_head); |
0be71e32 | 1810 | vmstate_register (NULL, 0, &vmstate_audio, s); |
ecd97e95 | 1811 | return s; |
71830221 KZ |
1812 | } |
1813 | ||
1814 | void audio_free_audiodev_list(AudiodevListHead *head) | |
1815 | { | |
1816 | AudiodevListEntry *e; | |
1817 | while ((e = QSIMPLEQ_FIRST(head))) { | |
1818 | QSIMPLEQ_REMOVE_HEAD(head, next); | |
1819 | qapi_free_Audiodev(e->dev); | |
1820 | g_free(e); | |
1821 | } | |
85571bc7 | 1822 | } |
8ead62cf | 1823 | |
1a7dafce | 1824 | void AUD_register_card (const char *name, QEMUSoundCard *card) |
1825 | { | |
ecd97e95 | 1826 | if (!card->state) { |
af2041ed | 1827 | card->state = audio_init(NULL, name); |
ecd97e95 KZ |
1828 | } |
1829 | ||
7267c094 | 1830 | card->name = g_strdup (name); |
1a7dafce | 1831 | memset (&card->entries, 0, sizeof (card->entries)); |
ecd97e95 | 1832 | QLIST_INSERT_HEAD(&card->state->card_head, card, entries); |
1a7dafce | 1833 | } |
1834 | ||
1835 | void AUD_remove_card (QEMUSoundCard *card) | |
1836 | { | |
72cf2d4f | 1837 | QLIST_REMOVE (card, entries); |
7267c094 | 1838 | g_free (card->name); |
1a7dafce | 1839 | } |
1840 | ||
33940dd3 | 1841 | static struct audio_pcm_ops capture_pcm_ops; |
1a7dafce | 1842 | |
ecd97e95 KZ |
1843 | CaptureVoiceOut *AUD_add_capture( |
1844 | AudioState *s, | |
1ea879e5 | 1845 | struct audsettings *as, |
8ead62cf FB |
1846 | struct audio_capture_ops *ops, |
1847 | void *cb_opaque | |
1848 | ) | |
1849 | { | |
1850 | CaptureVoiceOut *cap; | |
1851 | struct capture_callback *cb; | |
1852 | ||
ecd97e95 | 1853 | if (!s) { |
af2041ed | 1854 | if (!legacy_config) { |
4b3b7793 | 1855 | dolog("Capturing without setting an audiodev is deprecated\n"); |
af2041ed KZ |
1856 | } |
1857 | s = audio_init(NULL, NULL); | |
ecd97e95 KZ |
1858 | } |
1859 | ||
1930616b KZ |
1860 | if (!audio_get_pdo_out(s->dev)->mixing_engine) { |
1861 | dolog("Can't capture with mixeng disabled\n"); | |
1862 | return NULL; | |
1863 | } | |
1864 | ||
ec36b695 | 1865 | if (audio_validate_settings (as)) { |
8ead62cf FB |
1866 | dolog ("Invalid settings were passed when trying to add capture\n"); |
1867 | audio_print_settings (as); | |
e8d85444 | 1868 | return NULL; |
8ead62cf FB |
1869 | } |
1870 | ||
e8d85444 | 1871 | cb = g_malloc0(sizeof(*cb)); |
8ead62cf FB |
1872 | cb->ops = *ops; |
1873 | cb->opaque = cb_opaque; | |
1874 | ||
526fb058 | 1875 | cap = audio_pcm_capture_find_specific(s, as); |
8ead62cf | 1876 | if (cap) { |
72cf2d4f | 1877 | QLIST_INSERT_HEAD (&cap->cb_head, cb, entries); |
ec36b695 | 1878 | return cap; |
6c6886bd | 1879 | } else { |
8ead62cf FB |
1880 | HWVoiceOut *hw; |
1881 | CaptureVoiceOut *cap; | |
1882 | ||
e8d85444 | 1883 | cap = g_malloc0(sizeof(*cap)); |
8ead62cf FB |
1884 | |
1885 | hw = &cap->hw; | |
526fb058 | 1886 | hw->s = s; |
33940dd3 | 1887 | hw->pcm_ops = &capture_pcm_ops; |
72cf2d4f BS |
1888 | QLIST_INIT (&hw->sw_head); |
1889 | QLIST_INIT (&cap->cb_head); | |
8ead62cf FB |
1890 | |
1891 | /* XXX find a more elegant way */ | |
1892 | hw->samples = 4096 * 4; | |
dc88e38f | 1893 | audio_pcm_hw_alloc_resources_out(hw); |
8ead62cf | 1894 | |
d929eba5 | 1895 | audio_pcm_init_info (&hw->info, as); |
8ead62cf | 1896 | |
2b9cce8c | 1897 | cap->buf = g_malloc0_n(hw->mix_buf->size, hw->info.bytes_per_frame); |
8ead62cf | 1898 | |
ed2a4a79 KZ |
1899 | if (hw->info.is_float) { |
1900 | hw->clip = mixeng_clip_float[hw->info.nchannels == 2]; | |
1901 | } else { | |
1902 | hw->clip = mixeng_clip | |
1903 | [hw->info.nchannels == 2] | |
1904 | [hw->info.is_signed] | |
1905 | [hw->info.swap_endianness] | |
1906 | [audio_bits_to_index(hw->info.bits)]; | |
1907 | } | |
8ead62cf | 1908 | |
72cf2d4f BS |
1909 | QLIST_INSERT_HEAD (&s->cap_head, cap, entries); |
1910 | QLIST_INSERT_HEAD (&cap->cb_head, cb, entries); | |
8ead62cf | 1911 | |
526fb058 | 1912 | QLIST_FOREACH(hw, &s->hw_head_out, entries) { |
1a7dafce | 1913 | audio_attach_capture (hw); |
8ead62cf | 1914 | } |
ec36b695 | 1915 | return cap; |
ec36b695 FB |
1916 | } |
1917 | } | |
1918 | ||
1919 | void AUD_del_capture (CaptureVoiceOut *cap, void *cb_opaque) | |
1920 | { | |
1921 | struct capture_callback *cb; | |
1922 | ||
1923 | for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) { | |
1924 | if (cb->opaque == cb_opaque) { | |
1925 | cb->ops.destroy (cb_opaque); | |
72cf2d4f | 1926 | QLIST_REMOVE (cb, entries); |
7267c094 | 1927 | g_free (cb); |
ec36b695 FB |
1928 | |
1929 | if (!cap->cb_head.lh_first) { | |
1930 | SWVoiceOut *sw = cap->hw.sw_head.lh_first, *sw1; | |
a3c25997 | 1931 | |
ec36b695 | 1932 | while (sw) { |
a3c25997 | 1933 | SWVoiceCap *sc = (SWVoiceCap *) sw; |
ec36b695 FB |
1934 | #ifdef DEBUG_CAPTURE |
1935 | dolog ("freeing %s\n", sw->name); | |
1936 | #endif | |
a3c25997 | 1937 | |
ec36b695 FB |
1938 | sw1 = sw->entries.le_next; |
1939 | if (sw->rate) { | |
1940 | st_rate_stop (sw->rate); | |
1941 | sw->rate = NULL; | |
1942 | } | |
72cf2d4f BS |
1943 | QLIST_REMOVE (sw, entries); |
1944 | QLIST_REMOVE (sc, entries); | |
7267c094 | 1945 | g_free (sc); |
ec36b695 FB |
1946 | sw = sw1; |
1947 | } | |
72cf2d4f | 1948 | QLIST_REMOVE (cap, entries); |
3268a845 GH |
1949 | g_free (cap->hw.mix_buf); |
1950 | g_free (cap->buf); | |
7267c094 | 1951 | g_free (cap); |
ec36b695 FB |
1952 | } |
1953 | return; | |
1954 | } | |
8ead62cf FB |
1955 | } |
1956 | } | |
683efdcb AZ |
1957 | |
1958 | void AUD_set_volume_out (SWVoiceOut *sw, int mute, uint8_t lvol, uint8_t rvol) | |
cecc1e79 KZ |
1959 | { |
1960 | Volume vol = { .mute = mute, .channels = 2, .vol = { lvol, rvol } }; | |
1961 | audio_set_volume_out(sw, &vol); | |
1962 | } | |
1963 | ||
1964 | void audio_set_volume_out(SWVoiceOut *sw, Volume *vol) | |
683efdcb AZ |
1965 | { |
1966 | if (sw) { | |
6c95ab94 MAL |
1967 | HWVoiceOut *hw = sw->hw; |
1968 | ||
cecc1e79 KZ |
1969 | sw->vol.mute = vol->mute; |
1970 | sw->vol.l = nominal_volume.l * vol->vol[0] / 255; | |
1971 | sw->vol.r = nominal_volume.l * vol->vol[vol->channels > 1 ? 1 : 0] / | |
1972 | 255; | |
6c95ab94 | 1973 | |
571a8c52 | 1974 | if (hw->pcm_ops->volume_out) { |
cecc1e79 | 1975 | hw->pcm_ops->volume_out(hw, vol); |
6c95ab94 | 1976 | } |
683efdcb AZ |
1977 | } |
1978 | } | |
1979 | ||
1980 | void AUD_set_volume_in (SWVoiceIn *sw, int mute, uint8_t lvol, uint8_t rvol) | |
cecc1e79 KZ |
1981 | { |
1982 | Volume vol = { .mute = mute, .channels = 2, .vol = { lvol, rvol } }; | |
1983 | audio_set_volume_in(sw, &vol); | |
1984 | } | |
1985 | ||
1986 | void audio_set_volume_in(SWVoiceIn *sw, Volume *vol) | |
683efdcb AZ |
1987 | { |
1988 | if (sw) { | |
6c95ab94 MAL |
1989 | HWVoiceIn *hw = sw->hw; |
1990 | ||
cecc1e79 KZ |
1991 | sw->vol.mute = vol->mute; |
1992 | sw->vol.l = nominal_volume.l * vol->vol[0] / 255; | |
1993 | sw->vol.r = nominal_volume.r * vol->vol[vol->channels > 1 ? 1 : 0] / | |
1994 | 255; | |
6c95ab94 | 1995 | |
571a8c52 | 1996 | if (hw->pcm_ops->volume_in) { |
cecc1e79 | 1997 | hw->pcm_ops->volume_in(hw, vol); |
6c95ab94 | 1998 | } |
683efdcb AZ |
1999 | } |
2000 | } | |
71830221 KZ |
2001 | |
2002 | void audio_create_pdos(Audiodev *dev) | |
2003 | { | |
2004 | switch (dev->driver) { | |
2005 | #define CASE(DRIVER, driver, pdo_name) \ | |
2006 | case AUDIODEV_DRIVER_##DRIVER: \ | |
2007 | if (!dev->u.driver.has_in) { \ | |
2008 | dev->u.driver.in = g_malloc0( \ | |
2009 | sizeof(Audiodev##pdo_name##PerDirectionOptions)); \ | |
2010 | dev->u.driver.has_in = true; \ | |
2011 | } \ | |
2012 | if (!dev->u.driver.has_out) { \ | |
2013 | dev->u.driver.out = g_malloc0( \ | |
725662d6 | 2014 | sizeof(Audiodev##pdo_name##PerDirectionOptions)); \ |
71830221 KZ |
2015 | dev->u.driver.has_out = true; \ |
2016 | } \ | |
2017 | break | |
2018 | ||
2019 | CASE(NONE, none, ); | |
2020 | CASE(ALSA, alsa, Alsa); | |
2021 | CASE(COREAUDIO, coreaudio, Coreaudio); | |
739362d4 | 2022 | CASE(DBUS, dbus, ); |
71830221 | 2023 | CASE(DSOUND, dsound, ); |
2e445703 | 2024 | CASE(JACK, jack, Jack); |
71830221 KZ |
2025 | CASE(OSS, oss, Oss); |
2026 | CASE(PA, pa, Pa); | |
5a0926c2 | 2027 | CASE(SDL, sdl, Sdl); |
71830221 KZ |
2028 | CASE(SPICE, spice, ); |
2029 | CASE(WAV, wav, ); | |
2030 | ||
2031 | case AUDIODEV_DRIVER__MAX: | |
2032 | abort(); | |
2033 | }; | |
2034 | } | |
2035 | ||
2036 | static void audio_validate_per_direction_opts( | |
2037 | AudiodevPerDirectionOptions *pdo, Error **errp) | |
2038 | { | |
1930616b KZ |
2039 | if (!pdo->has_mixing_engine) { |
2040 | pdo->has_mixing_engine = true; | |
2041 | pdo->mixing_engine = true; | |
2042 | } | |
71830221 KZ |
2043 | if (!pdo->has_fixed_settings) { |
2044 | pdo->has_fixed_settings = true; | |
1930616b | 2045 | pdo->fixed_settings = pdo->mixing_engine; |
71830221 KZ |
2046 | } |
2047 | if (!pdo->fixed_settings && | |
2048 | (pdo->has_frequency || pdo->has_channels || pdo->has_format)) { | |
2049 | error_setg(errp, | |
2050 | "You can't use frequency, channels or format with fixed-settings=off"); | |
2051 | return; | |
2052 | } | |
1930616b KZ |
2053 | if (!pdo->mixing_engine && pdo->fixed_settings) { |
2054 | error_setg(errp, "You can't use fixed-settings without mixeng"); | |
2055 | return; | |
2056 | } | |
71830221 KZ |
2057 | |
2058 | if (!pdo->has_frequency) { | |
2059 | pdo->has_frequency = true; | |
2060 | pdo->frequency = 44100; | |
2061 | } | |
2062 | if (!pdo->has_channels) { | |
2063 | pdo->has_channels = true; | |
2064 | pdo->channels = 2; | |
2065 | } | |
2066 | if (!pdo->has_voices) { | |
2067 | pdo->has_voices = true; | |
1930616b | 2068 | pdo->voices = pdo->mixing_engine ? 1 : INT_MAX; |
71830221 KZ |
2069 | } |
2070 | if (!pdo->has_format) { | |
2071 | pdo->has_format = true; | |
2072 | pdo->format = AUDIO_FORMAT_S16; | |
2073 | } | |
2074 | } | |
2075 | ||
2076 | static void audio_validate_opts(Audiodev *dev, Error **errp) | |
2077 | { | |
2078 | Error *err = NULL; | |
2079 | ||
2080 | audio_create_pdos(dev); | |
2081 | ||
2082 | audio_validate_per_direction_opts(audio_get_pdo_in(dev), &err); | |
2083 | if (err) { | |
2084 | error_propagate(errp, err); | |
2085 | return; | |
2086 | } | |
2087 | ||
2088 | audio_validate_per_direction_opts(audio_get_pdo_out(dev), &err); | |
2089 | if (err) { | |
2090 | error_propagate(errp, err); | |
2091 | return; | |
2092 | } | |
2093 | ||
2094 | if (!dev->has_timer_period) { | |
2095 | dev->has_timer_period = true; | |
2096 | dev->timer_period = 10000; /* 100Hz -> 10ms */ | |
2097 | } | |
2098 | } | |
2099 | ||
2100 | void audio_parse_option(const char *opt) | |
2101 | { | |
2102 | AudiodevListEntry *e; | |
2103 | Audiodev *dev = NULL; | |
2104 | ||
2105 | Visitor *v = qobject_input_visitor_new_str(opt, "driver", &error_fatal); | |
2106 | visit_type_Audiodev(v, NULL, &dev, &error_fatal); | |
2107 | visit_free(v); | |
2108 | ||
2109 | audio_validate_opts(dev, &error_fatal); | |
2110 | ||
b21e2380 | 2111 | e = g_new0(AudiodevListEntry, 1); |
71830221 KZ |
2112 | e->dev = dev; |
2113 | QSIMPLEQ_INSERT_TAIL(&audiodevs, e, next); | |
2114 | } | |
2115 | ||
2116 | void audio_init_audiodevs(void) | |
2117 | { | |
2118 | AudiodevListEntry *e; | |
2119 | ||
2120 | QSIMPLEQ_FOREACH(e, &audiodevs, next) { | |
af2041ed | 2121 | audio_init(e->dev, NULL); |
71830221 KZ |
2122 | } |
2123 | } | |
2124 | ||
2125 | audsettings audiodev_to_audsettings(AudiodevPerDirectionOptions *pdo) | |
2126 | { | |
2127 | return (audsettings) { | |
2128 | .freq = pdo->frequency, | |
2129 | .nchannels = pdo->channels, | |
2130 | .fmt = pdo->format, | |
2131 | .endianness = AUDIO_HOST_ENDIANNESS, | |
2132 | }; | |
2133 | } | |
2134 | ||
2135 | int audioformat_bytes_per_sample(AudioFormat fmt) | |
2136 | { | |
2137 | switch (fmt) { | |
2138 | case AUDIO_FORMAT_U8: | |
2139 | case AUDIO_FORMAT_S8: | |
2140 | return 1; | |
2141 | ||
2142 | case AUDIO_FORMAT_U16: | |
2143 | case AUDIO_FORMAT_S16: | |
2144 | return 2; | |
2145 | ||
2146 | case AUDIO_FORMAT_U32: | |
2147 | case AUDIO_FORMAT_S32: | |
ed2a4a79 | 2148 | case AUDIO_FORMAT_F32: |
71830221 KZ |
2149 | return 4; |
2150 | ||
2151 | case AUDIO_FORMAT__MAX: | |
2152 | ; | |
2153 | } | |
2154 | abort(); | |
2155 | } | |
2156 | ||
2157 | ||
2158 | /* frames = freq * usec / 1e6 */ | |
2159 | int audio_buffer_frames(AudiodevPerDirectionOptions *pdo, | |
2160 | audsettings *as, int def_usecs) | |
2161 | { | |
2162 | uint64_t usecs = pdo->has_buffer_length ? pdo->buffer_length : def_usecs; | |
2163 | return (as->freq * usecs + 500000) / 1000000; | |
2164 | } | |
2165 | ||
2166 | /* samples = channels * frames = channels * freq * usec / 1e6 */ | |
2167 | int audio_buffer_samples(AudiodevPerDirectionOptions *pdo, | |
2168 | audsettings *as, int def_usecs) | |
2169 | { | |
2170 | return as->nchannels * audio_buffer_frames(pdo, as, def_usecs); | |
2171 | } | |
2172 | ||
2173 | /* | |
2174 | * bytes = bytes_per_sample * samples = | |
2175 | * bytes_per_sample * channels * freq * usec / 1e6 | |
2176 | */ | |
2177 | int audio_buffer_bytes(AudiodevPerDirectionOptions *pdo, | |
2178 | audsettings *as, int def_usecs) | |
2179 | { | |
2180 | return audio_buffer_samples(pdo, as, def_usecs) * | |
2181 | audioformat_bytes_per_sample(as->fmt); | |
2182 | } | |
ecd97e95 KZ |
2183 | |
2184 | AudioState *audio_state_by_name(const char *name) | |
2185 | { | |
2186 | AudioState *s; | |
2187 | QTAILQ_FOREACH(s, &audio_states, list) { | |
2188 | assert(s->dev); | |
2189 | if (strcmp(name, s->dev->id) == 0) { | |
2190 | return s; | |
2191 | } | |
2192 | } | |
2193 | return NULL; | |
2194 | } | |
2195 | ||
2196 | const char *audio_get_id(QEMUSoundCard *card) | |
2197 | { | |
2198 | if (card->state) { | |
2199 | assert(card->state->dev); | |
2200 | return card->state->dev->id; | |
2201 | } else { | |
2202 | return ""; | |
2203 | } | |
2204 | } | |
857271a2 | 2205 | |
37a54d05 VR |
2206 | const char *audio_application_name(void) |
2207 | { | |
2208 | const char *vm_name; | |
2209 | ||
2210 | vm_name = qemu_get_vm_name(); | |
2211 | return vm_name ? vm_name : "qemu"; | |
2212 | } | |
2213 | ||
857271a2 KZ |
2214 | void audio_rate_start(RateCtl *rate) |
2215 | { | |
2216 | memset(rate, 0, sizeof(RateCtl)); | |
2217 | rate->start_ticks = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); | |
2218 | } | |
2219 | ||
2220 | size_t audio_rate_get_bytes(struct audio_pcm_info *info, RateCtl *rate, | |
2221 | size_t bytes_avail) | |
2222 | { | |
2223 | int64_t now; | |
2224 | int64_t ticks; | |
2225 | int64_t bytes; | |
2226 | int64_t samples; | |
2227 | size_t ret; | |
2228 | ||
2229 | now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); | |
2230 | ticks = now - rate->start_ticks; | |
2231 | bytes = muldiv64(ticks, info->bytes_per_second, NANOSECONDS_PER_SECOND); | |
2b9cce8c | 2232 | samples = (bytes - rate->bytes_sent) / info->bytes_per_frame; |
857271a2 KZ |
2233 | if (samples < 0 || samples > 65536) { |
2234 | AUD_log(NULL, "Resetting rate control (%" PRId64 " samples)\n", samples); | |
2235 | audio_rate_start(rate); | |
2236 | samples = 0; | |
2237 | } | |
2238 | ||
2b9cce8c | 2239 | ret = MIN(samples * info->bytes_per_frame, bytes_avail); |
857271a2 KZ |
2240 | rate->bytes_sent += ret; |
2241 | return ret; | |
2242 | } |