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Commit | Line | Data |
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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" |
3d4d16f4 | 35 | #include "sysemu/replay.h" |
54d31236 | 36 | #include "sysemu/runstate.h" |
f0c4555e | 37 | #include "ui/qemu-spice.h" |
1a961e78 | 38 | #include "trace.h" |
85571bc7 | 39 | |
1d14ffa9 FB |
40 | #define AUDIO_CAP "audio" |
41 | #include "audio_int.h" | |
85571bc7 | 42 | |
1d14ffa9 FB |
43 | /* #define DEBUG_LIVE */ |
44 | /* #define DEBUG_OUT */ | |
8ead62cf | 45 | /* #define DEBUG_CAPTURE */ |
713a98f8 | 46 | /* #define DEBUG_POLL */ |
85571bc7 | 47 | |
c0fe3827 FB |
48 | #define SW_NAME(sw) (sw)->name ? (sw)->name : "unknown" |
49 | ||
2358a494 JQ |
50 | |
51 | /* Order of CONFIG_AUDIO_DRIVERS is import. | |
52 | The 1st one is the one used by default, that is the reason | |
53 | that we generate the list. | |
54 | */ | |
71830221 | 55 | const char *audio_prio_list[] = { |
d3893a39 | 56 | "spice", |
2358a494 | 57 | CONFIG_AUDIO_DRIVERS |
d3893a39 GH |
58 | "none", |
59 | "wav", | |
71830221 | 60 | NULL |
1d14ffa9 | 61 | }; |
85571bc7 | 62 | |
d3893a39 | 63 | static QLIST_HEAD(, audio_driver) audio_drivers; |
71830221 | 64 | static AudiodevListHead audiodevs = QSIMPLEQ_HEAD_INITIALIZER(audiodevs); |
d3893a39 GH |
65 | |
66 | void audio_driver_register(audio_driver *drv) | |
67 | { | |
68 | QLIST_INSERT_HEAD(&audio_drivers, drv, next); | |
69 | } | |
70 | ||
71 | audio_driver *audio_driver_lookup(const char *name) | |
72 | { | |
73 | struct audio_driver *d; | |
74 | ||
75 | QLIST_FOREACH(d, &audio_drivers, next) { | |
76 | if (strcmp(name, d->name) == 0) { | |
77 | return d; | |
78 | } | |
79 | } | |
65ba8696 GH |
80 | |
81 | audio_module_load_one(name); | |
82 | QLIST_FOREACH(d, &audio_drivers, next) { | |
83 | if (strcmp(name, d->name) == 0) { | |
84 | return d; | |
85 | } | |
86 | } | |
87 | ||
d3893a39 GH |
88 | return NULL; |
89 | } | |
90 | ||
ecd97e95 KZ |
91 | static QTAILQ_HEAD(AudioStateHead, AudioState) audio_states = |
92 | QTAILQ_HEAD_INITIALIZER(audio_states); | |
c0fe3827 | 93 | |
00e07679 | 94 | const struct mixeng_volume nominal_volume = { |
14658cd1 | 95 | .mute = 0, |
1d14ffa9 | 96 | #ifdef FLOAT_MIXENG |
14658cd1 JQ |
97 | .r = 1.0, |
98 | .l = 1.0, | |
1d14ffa9 | 99 | #else |
14658cd1 JQ |
100 | .r = 1ULL << 32, |
101 | .l = 1ULL << 32, | |
1d14ffa9 | 102 | #endif |
85571bc7 FB |
103 | }; |
104 | ||
af2041ed KZ |
105 | static bool legacy_config = true; |
106 | ||
1d14ffa9 | 107 | int audio_bug (const char *funcname, int cond) |
85571bc7 | 108 | { |
1d14ffa9 FB |
109 | if (cond) { |
110 | static int shown; | |
111 | ||
8ead62cf | 112 | AUD_log (NULL, "A bug was just triggered in %s\n", funcname); |
1d14ffa9 FB |
113 | if (!shown) { |
114 | shown = 1; | |
115 | AUD_log (NULL, "Save all your work and restart without audio\n"); | |
1d14ffa9 FB |
116 | AUD_log (NULL, "I am sorry\n"); |
117 | } | |
118 | AUD_log (NULL, "Context:\n"); | |
ab32b78c | 119 | abort(); |
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); | |
140 | return 0; | |
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); |
c0fe3827 FB |
158 | return NULL; |
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); |
85571bc7 FB |
347 | } |
348 | else { | |
f941aa25 TS |
349 | switch (info->bits) { |
350 | case 8: | |
2b9cce8c | 351 | memset(buf, 0x80, len * info->bytes_per_frame); |
f941aa25 | 352 | break; |
1d14ffa9 | 353 | |
f941aa25 TS |
354 | case 16: |
355 | { | |
356 | int i; | |
357 | uint16_t *p = buf; | |
f941aa25 TS |
358 | short s = INT16_MAX; |
359 | ||
360 | if (info->swap_endianness) { | |
361 | s = bswap16 (s); | |
362 | } | |
363 | ||
2b9cce8c | 364 | for (i = 0; i < len * info->nchannels; i++) { |
f941aa25 TS |
365 | p[i] = s; |
366 | } | |
1d14ffa9 | 367 | } |
f941aa25 TS |
368 | break; |
369 | ||
370 | case 32: | |
371 | { | |
372 | int i; | |
373 | uint32_t *p = buf; | |
f941aa25 TS |
374 | int32_t s = INT32_MAX; |
375 | ||
376 | if (info->swap_endianness) { | |
377 | s = bswap32 (s); | |
378 | } | |
1d14ffa9 | 379 | |
2b9cce8c | 380 | for (i = 0; i < len * info->nchannels; i++) { |
f941aa25 TS |
381 | p[i] = s; |
382 | } | |
1d14ffa9 | 383 | } |
f941aa25 TS |
384 | break; |
385 | ||
386 | default: | |
387 | AUD_log (NULL, "audio_pcm_info_clear_buf: invalid bits %d\n", | |
388 | info->bits); | |
389 | break; | |
1d14ffa9 | 390 | } |
85571bc7 FB |
391 | } |
392 | } | |
393 | ||
8ead62cf FB |
394 | /* |
395 | * Capture | |
396 | */ | |
00e07679 | 397 | static void noop_conv (struct st_sample *dst, const void *src, int samples) |
8ead62cf FB |
398 | { |
399 | (void) src; | |
400 | (void) dst; | |
401 | (void) samples; | |
8ead62cf FB |
402 | } |
403 | ||
526fb058 KZ |
404 | static CaptureVoiceOut *audio_pcm_capture_find_specific(AudioState *s, |
405 | struct audsettings *as) | |
8ead62cf FB |
406 | { |
407 | CaptureVoiceOut *cap; | |
8ead62cf FB |
408 | |
409 | for (cap = s->cap_head.lh_first; cap; cap = cap->entries.le_next) { | |
d929eba5 | 410 | if (audio_pcm_info_eq (&cap->hw.info, as)) { |
8ead62cf FB |
411 | return cap; |
412 | } | |
413 | } | |
414 | return NULL; | |
415 | } | |
416 | ||
ec36b695 | 417 | static void audio_notify_capture (CaptureVoiceOut *cap, audcnotification_e cmd) |
8ead62cf | 418 | { |
ec36b695 FB |
419 | struct capture_callback *cb; |
420 | ||
421 | #ifdef DEBUG_CAPTURE | |
422 | dolog ("notification %d sent\n", cmd); | |
423 | #endif | |
424 | for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) { | |
425 | cb->ops.notify (cb->opaque, cmd); | |
426 | } | |
427 | } | |
8ead62cf | 428 | |
ec36b695 FB |
429 | static void audio_capture_maybe_changed (CaptureVoiceOut *cap, int enabled) |
430 | { | |
431 | if (cap->hw.enabled != enabled) { | |
432 | audcnotification_e cmd; | |
8ead62cf | 433 | cap->hw.enabled = enabled; |
ec36b695 FB |
434 | cmd = enabled ? AUD_CNOTIFY_ENABLE : AUD_CNOTIFY_DISABLE; |
435 | audio_notify_capture (cap, cmd); | |
8ead62cf FB |
436 | } |
437 | } | |
438 | ||
439 | static void audio_recalc_and_notify_capture (CaptureVoiceOut *cap) | |
440 | { | |
441 | HWVoiceOut *hw = &cap->hw; | |
442 | SWVoiceOut *sw; | |
443 | int enabled = 0; | |
444 | ||
ec36b695 | 445 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { |
8ead62cf FB |
446 | if (sw->active) { |
447 | enabled = 1; | |
448 | break; | |
449 | } | |
450 | } | |
ec36b695 | 451 | audio_capture_maybe_changed (cap, enabled); |
8ead62cf FB |
452 | } |
453 | ||
454 | static void audio_detach_capture (HWVoiceOut *hw) | |
455 | { | |
ec36b695 FB |
456 | SWVoiceCap *sc = hw->cap_head.lh_first; |
457 | ||
458 | while (sc) { | |
459 | SWVoiceCap *sc1 = sc->entries.le_next; | |
460 | SWVoiceOut *sw = &sc->sw; | |
461 | CaptureVoiceOut *cap = sc->cap; | |
462 | int was_active = sw->active; | |
8ead62cf | 463 | |
8ead62cf FB |
464 | if (sw->rate) { |
465 | st_rate_stop (sw->rate); | |
466 | sw->rate = NULL; | |
467 | } | |
468 | ||
72cf2d4f BS |
469 | QLIST_REMOVE (sw, entries); |
470 | QLIST_REMOVE (sc, entries); | |
7267c094 | 471 | g_free (sc); |
ec36b695 FB |
472 | if (was_active) { |
473 | /* We have removed soft voice from the capture: | |
474 | this might have changed the overall status of the capture | |
475 | since this might have been the only active voice */ | |
476 | audio_recalc_and_notify_capture (cap); | |
477 | } | |
478 | sc = sc1; | |
8ead62cf FB |
479 | } |
480 | } | |
481 | ||
1a7dafce | 482 | static int audio_attach_capture (HWVoiceOut *hw) |
8ead62cf | 483 | { |
526fb058 | 484 | AudioState *s = hw->s; |
8ead62cf FB |
485 | CaptureVoiceOut *cap; |
486 | ||
487 | audio_detach_capture (hw); | |
488 | for (cap = s->cap_head.lh_first; cap; cap = cap->entries.le_next) { | |
ec36b695 | 489 | SWVoiceCap *sc; |
8ead62cf | 490 | SWVoiceOut *sw; |
ec36b695 | 491 | HWVoiceOut *hw_cap = &cap->hw; |
8ead62cf | 492 | |
e8d85444 | 493 | sc = g_malloc0(sizeof(*sc)); |
8ead62cf | 494 | |
ec36b695 FB |
495 | sc->cap = cap; |
496 | sw = &sc->sw; | |
8ead62cf | 497 | sw->hw = hw_cap; |
ec36b695 | 498 | sw->info = hw->info; |
8ead62cf FB |
499 | sw->empty = 1; |
500 | sw->active = hw->enabled; | |
501 | sw->conv = noop_conv; | |
502 | sw->ratio = ((int64_t) hw_cap->info.freq << 32) / sw->info.freq; | |
83617103 | 503 | sw->vol = nominal_volume; |
8ead62cf FB |
504 | sw->rate = st_rate_start (sw->info.freq, hw_cap->info.freq); |
505 | if (!sw->rate) { | |
506 | dolog ("Could not start rate conversion for `%s'\n", SW_NAME (sw)); | |
7267c094 | 507 | g_free (sw); |
8ead62cf FB |
508 | return -1; |
509 | } | |
72cf2d4f BS |
510 | QLIST_INSERT_HEAD (&hw_cap->sw_head, sw, entries); |
511 | QLIST_INSERT_HEAD (&hw->cap_head, sc, entries); | |
ec36b695 | 512 | #ifdef DEBUG_CAPTURE |
457b6543 SW |
513 | sw->name = g_strdup_printf ("for %p %d,%d,%d", |
514 | hw, sw->info.freq, sw->info.bits, | |
515 | sw->info.nchannels); | |
ec36b695 FB |
516 | dolog ("Added %s active = %d\n", sw->name, sw->active); |
517 | #endif | |
8ead62cf | 518 | if (sw->active) { |
ec36b695 | 519 | audio_capture_maybe_changed (cap, 1); |
8ead62cf FB |
520 | } |
521 | } | |
522 | return 0; | |
523 | } | |
524 | ||
1d14ffa9 FB |
525 | /* |
526 | * Hard voice (capture) | |
527 | */ | |
7520462b | 528 | static size_t audio_pcm_hw_find_min_in (HWVoiceIn *hw) |
85571bc7 | 529 | { |
1d14ffa9 | 530 | SWVoiceIn *sw; |
7520462b | 531 | size_t m = hw->total_samples_captured; |
1d14ffa9 FB |
532 | |
533 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { | |
534 | if (sw->active) { | |
58935915 | 535 | m = MIN (m, sw->total_hw_samples_acquired); |
1d14ffa9 | 536 | } |
85571bc7 | 537 | } |
1d14ffa9 | 538 | return m; |
85571bc7 FB |
539 | } |
540 | ||
3f5bbfc2 | 541 | static size_t audio_pcm_hw_get_live_in(HWVoiceIn *hw) |
85571bc7 | 542 | { |
7520462b | 543 | size_t live = hw->total_samples_captured - audio_pcm_hw_find_min_in (hw); |
dc88e38f KZ |
544 | if (audio_bug(__func__, live > hw->conv_buf->size)) { |
545 | dolog("live=%zu hw->conv_buf->size=%zu\n", live, hw->conv_buf->size); | |
1d14ffa9 | 546 | return 0; |
85571bc7 | 547 | } |
1d14ffa9 | 548 | return live; |
85571bc7 FB |
549 | } |
550 | ||
3f5bbfc2 | 551 | static void audio_pcm_hw_clip_out(HWVoiceOut *hw, void *pcm_buf, size_t len) |
ff095e52 KZ |
552 | { |
553 | size_t clipped = 0; | |
dc88e38f | 554 | size_t pos = hw->mix_buf->pos; |
ff095e52 KZ |
555 | |
556 | while (len) { | |
dc88e38f | 557 | st_sample *src = hw->mix_buf->samples + pos; |
2b9cce8c | 558 | uint8_t *dst = advance(pcm_buf, clipped * hw->info.bytes_per_frame); |
dc88e38f | 559 | size_t samples_till_end_of_buf = hw->mix_buf->size - pos; |
ff095e52 KZ |
560 | size_t samples_to_clip = MIN(len, samples_till_end_of_buf); |
561 | ||
562 | hw->clip(dst, src, samples_to_clip); | |
563 | ||
dc88e38f | 564 | pos = (pos + samples_to_clip) % hw->mix_buf->size; |
ff095e52 KZ |
565 | len -= samples_to_clip; |
566 | clipped += samples_to_clip; | |
567 | } | |
568 | } | |
569 | ||
1d14ffa9 FB |
570 | /* |
571 | * Soft voice (capture) | |
572 | */ | |
7520462b | 573 | static size_t audio_pcm_sw_get_rpos_in(SWVoiceIn *sw) |
1d14ffa9 FB |
574 | { |
575 | HWVoiceIn *hw = sw->hw; | |
7520462b KZ |
576 | ssize_t live = hw->total_samples_captured - sw->total_hw_samples_acquired; |
577 | ssize_t rpos; | |
1d14ffa9 | 578 | |
dc88e38f KZ |
579 | if (audio_bug(__func__, live < 0 || live > hw->conv_buf->size)) { |
580 | dolog("live=%zu hw->conv_buf->size=%zu\n", live, hw->conv_buf->size); | |
1d14ffa9 FB |
581 | return 0; |
582 | } | |
583 | ||
dc88e38f | 584 | rpos = hw->conv_buf->pos - live; |
1d14ffa9 FB |
585 | if (rpos >= 0) { |
586 | return rpos; | |
85571bc7 FB |
587 | } |
588 | else { | |
dc88e38f | 589 | return hw->conv_buf->size + rpos; |
85571bc7 | 590 | } |
85571bc7 FB |
591 | } |
592 | ||
7520462b | 593 | static size_t audio_pcm_sw_read(SWVoiceIn *sw, void *buf, size_t size) |
85571bc7 | 594 | { |
1d14ffa9 | 595 | HWVoiceIn *hw = sw->hw; |
7520462b | 596 | size_t samples, live, ret = 0, swlim, isamp, osamp, rpos, total = 0; |
1ea879e5 | 597 | struct st_sample *src, *dst = sw->buf; |
1d14ffa9 | 598 | |
dc88e38f | 599 | rpos = audio_pcm_sw_get_rpos_in(sw) % hw->conv_buf->size; |
1d14ffa9 FB |
600 | |
601 | live = hw->total_samples_captured - sw->total_hw_samples_acquired; | |
dc88e38f KZ |
602 | if (audio_bug(__func__, live > hw->conv_buf->size)) { |
603 | dolog("live_in=%zu hw->conv_buf->size=%zu\n", live, hw->conv_buf->size); | |
1d14ffa9 FB |
604 | return 0; |
605 | } | |
606 | ||
2b9cce8c | 607 | samples = size / sw->info.bytes_per_frame; |
1d14ffa9 FB |
608 | if (!live) { |
609 | return 0; | |
610 | } | |
85571bc7 | 611 | |
1d14ffa9 | 612 | swlim = (live * sw->ratio) >> 32; |
58935915 | 613 | swlim = MIN (swlim, samples); |
85571bc7 | 614 | |
1d14ffa9 | 615 | while (swlim) { |
dc88e38f KZ |
616 | src = hw->conv_buf->samples + rpos; |
617 | if (hw->conv_buf->pos > rpos) { | |
618 | isamp = hw->conv_buf->pos - rpos; | |
7520462b | 619 | } else { |
dc88e38f | 620 | isamp = hw->conv_buf->size - rpos; |
1d14ffa9 | 621 | } |
85571bc7 | 622 | |
1d14ffa9 FB |
623 | if (!isamp) { |
624 | break; | |
625 | } | |
626 | osamp = swlim; | |
85571bc7 | 627 | |
1d14ffa9 FB |
628 | st_rate_flow (sw->rate, src, dst, &isamp, &osamp); |
629 | swlim -= osamp; | |
dc88e38f | 630 | rpos = (rpos + isamp) % hw->conv_buf->size; |
1d14ffa9 FB |
631 | dst += osamp; |
632 | ret += osamp; | |
633 | total += isamp; | |
634 | } | |
85571bc7 | 635 | |
cbaf25d1 | 636 | if (hw->pcm_ops && !hw->pcm_ops->volume_in) { |
c01b2456 MAL |
637 | mixeng_volume (sw->buf, ret, &sw->vol); |
638 | } | |
00e07679 | 639 | |
571ec3d6 | 640 | sw->clip (buf, sw->buf, ret); |
1d14ffa9 | 641 | sw->total_hw_samples_acquired += total; |
2b9cce8c | 642 | return ret * sw->info.bytes_per_frame; |
85571bc7 FB |
643 | } |
644 | ||
1d14ffa9 FB |
645 | /* |
646 | * Hard voice (playback) | |
647 | */ | |
7520462b | 648 | static size_t audio_pcm_hw_find_min_out (HWVoiceOut *hw, int *nb_livep) |
1d14ffa9 | 649 | { |
c0fe3827 | 650 | SWVoiceOut *sw; |
7520462b | 651 | size_t m = SIZE_MAX; |
c0fe3827 | 652 | int nb_live = 0; |
85571bc7 | 653 | |
c0fe3827 FB |
654 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { |
655 | if (sw->active || !sw->empty) { | |
58935915 | 656 | m = MIN (m, sw->total_hw_samples_mixed); |
c0fe3827 FB |
657 | nb_live += 1; |
658 | } | |
85571bc7 | 659 | } |
c0fe3827 FB |
660 | |
661 | *nb_livep = nb_live; | |
662 | return m; | |
1d14ffa9 | 663 | } |
85571bc7 | 664 | |
7520462b | 665 | static size_t audio_pcm_hw_get_live_out (HWVoiceOut *hw, int *nb_live) |
1d14ffa9 | 666 | { |
7520462b | 667 | size_t smin; |
bdff253c | 668 | int nb_live1; |
85571bc7 | 669 | |
bdff253c | 670 | smin = audio_pcm_hw_find_min_out (hw, &nb_live1); |
671 | if (nb_live) { | |
672 | *nb_live = nb_live1; | |
85571bc7 | 673 | } |
bdff253c | 674 | |
675 | if (nb_live1) { | |
7520462b | 676 | size_t live = smin; |
1d14ffa9 | 677 | |
dc88e38f KZ |
678 | if (audio_bug(__func__, live > hw->mix_buf->size)) { |
679 | dolog("live=%zu hw->mix_buf->size=%zu\n", live, hw->mix_buf->size); | |
1d14ffa9 | 680 | return 0; |
85571bc7 | 681 | } |
1d14ffa9 | 682 | return live; |
85571bc7 | 683 | } |
bdff253c | 684 | return 0; |
85571bc7 FB |
685 | } |
686 | ||
1d14ffa9 FB |
687 | /* |
688 | * Soft voice (playback) | |
689 | */ | |
7520462b | 690 | static size_t audio_pcm_sw_write(SWVoiceOut *sw, void *buf, size_t size) |
85571bc7 | 691 | { |
7520462b KZ |
692 | size_t hwsamples, samples, isamp, osamp, wpos, live, dead, left, swlim, blck; |
693 | size_t ret = 0, pos = 0, total = 0; | |
85571bc7 | 694 | |
1d14ffa9 FB |
695 | if (!sw) { |
696 | return size; | |
697 | } | |
85571bc7 | 698 | |
dc88e38f | 699 | hwsamples = sw->hw->mix_buf->size; |
85571bc7 | 700 | |
1d14ffa9 | 701 | live = sw->total_hw_samples_mixed; |
7520462b | 702 | if (audio_bug(__func__, live > hwsamples)) { |
dc88e38f | 703 | dolog("live=%zu hw->mix_buf->size=%zu\n", live, hwsamples); |
1d14ffa9 FB |
704 | return 0; |
705 | } | |
85571bc7 | 706 | |
1d14ffa9 | 707 | if (live == hwsamples) { |
ec36b695 FB |
708 | #ifdef DEBUG_OUT |
709 | dolog ("%s is full %d\n", sw->name, live); | |
710 | #endif | |
1d14ffa9 FB |
711 | return 0; |
712 | } | |
85571bc7 | 713 | |
dc88e38f | 714 | wpos = (sw->hw->mix_buf->pos + live) % hwsamples; |
2b9cce8c | 715 | samples = size / sw->info.bytes_per_frame; |
85571bc7 | 716 | |
1d14ffa9 FB |
717 | dead = hwsamples - live; |
718 | swlim = ((int64_t) dead << 32) / sw->ratio; | |
58935915 | 719 | swlim = MIN (swlim, samples); |
1d14ffa9 | 720 | if (swlim) { |
00e07679 | 721 | sw->conv (sw->buf, buf, swlim); |
c01b2456 | 722 | |
cbaf25d1 | 723 | if (sw->hw->pcm_ops && !sw->hw->pcm_ops->volume_out) { |
c01b2456 MAL |
724 | mixeng_volume (sw->buf, swlim, &sw->vol); |
725 | } | |
1d14ffa9 FB |
726 | } |
727 | ||
728 | while (swlim) { | |
729 | dead = hwsamples - live; | |
730 | left = hwsamples - wpos; | |
58935915 | 731 | blck = MIN (dead, left); |
1d14ffa9 FB |
732 | if (!blck) { |
733 | break; | |
734 | } | |
735 | isamp = swlim; | |
736 | osamp = blck; | |
737 | st_rate_flow_mix ( | |
738 | sw->rate, | |
739 | sw->buf + pos, | |
dc88e38f | 740 | sw->hw->mix_buf->samples + wpos, |
1d14ffa9 FB |
741 | &isamp, |
742 | &osamp | |
743 | ); | |
744 | ret += isamp; | |
745 | swlim -= isamp; | |
746 | pos += isamp; | |
747 | live += osamp; | |
748 | wpos = (wpos + osamp) % hwsamples; | |
749 | total += osamp; | |
750 | } | |
751 | ||
752 | sw->total_hw_samples_mixed += total; | |
753 | sw->empty = sw->total_hw_samples_mixed == 0; | |
754 | ||
755 | #ifdef DEBUG_OUT | |
756 | dolog ( | |
7520462b | 757 | "%s: write size %zu ret %zu total sw %zu\n", |
c0fe3827 | 758 | SW_NAME (sw), |
2b9cce8c | 759 | size / sw->info.bytes_per_frame, |
1d14ffa9 | 760 | ret, |
c0fe3827 | 761 | sw->total_hw_samples_mixed |
1d14ffa9 FB |
762 | ); |
763 | #endif | |
764 | ||
2b9cce8c | 765 | return ret * sw->info.bytes_per_frame; |
85571bc7 FB |
766 | } |
767 | ||
1d14ffa9 FB |
768 | #ifdef DEBUG_AUDIO |
769 | static void audio_pcm_print_info (const char *cap, struct audio_pcm_info *info) | |
85571bc7 | 770 | { |
ed2a4a79 KZ |
771 | dolog("%s: bits %d, sign %d, float %d, freq %d, nchan %d\n", |
772 | cap, info->bits, info->is_signed, info->is_float, info->freq, | |
773 | info->nchannels); | |
85571bc7 | 774 | } |
1d14ffa9 | 775 | #endif |
85571bc7 | 776 | |
1d14ffa9 FB |
777 | #define DAC |
778 | #include "audio_template.h" | |
779 | #undef DAC | |
780 | #include "audio_template.h" | |
781 | ||
713a98f8 | 782 | /* |
783 | * Timer | |
784 | */ | |
526fb058 | 785 | static int audio_is_timer_needed(AudioState *s) |
713a98f8 | 786 | { |
787 | HWVoiceIn *hwi = NULL; | |
788 | HWVoiceOut *hwo = NULL; | |
789 | ||
526fb058 | 790 | while ((hwo = audio_pcm_hw_find_any_enabled_out(s, hwo))) { |
713a98f8 | 791 | if (!hwo->poll_mode) return 1; |
792 | } | |
526fb058 | 793 | while ((hwi = audio_pcm_hw_find_any_enabled_in(s, hwi))) { |
713a98f8 | 794 | if (!hwi->poll_mode) return 1; |
795 | } | |
796 | return 0; | |
797 | } | |
798 | ||
39deb1e4 | 799 | static void audio_reset_timer (AudioState *s) |
713a98f8 | 800 | { |
526fb058 | 801 | if (audio_is_timer_needed(s)) { |
1ffc2665 | 802 | timer_mod_anticipate_ns(s->ts, |
71830221 | 803 | qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + s->period_ticks); |
526fb058 KZ |
804 | if (!s->timer_running) { |
805 | s->timer_running = true; | |
806 | s->timer_last = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); | |
71830221 | 807 | trace_audio_timer_start(s->period_ticks / SCALE_MS); |
1a961e78 GH |
808 | } |
809 | } else { | |
810 | timer_del(s->ts); | |
526fb058 KZ |
811 | if (s->timer_running) { |
812 | s->timer_running = false; | |
1a961e78 GH |
813 | trace_audio_timer_stop(); |
814 | } | |
713a98f8 | 815 | } |
816 | } | |
817 | ||
39deb1e4 | 818 | static void audio_timer (void *opaque) |
819 | { | |
1a961e78 | 820 | int64_t now, diff; |
71830221 | 821 | AudioState *s = opaque; |
1a961e78 GH |
822 | |
823 | now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); | |
526fb058 | 824 | diff = now - s->timer_last; |
71830221 | 825 | if (diff > s->period_ticks * 3 / 2) { |
1a961e78 GH |
826 | trace_audio_timer_delayed(diff / SCALE_MS); |
827 | } | |
526fb058 | 828 | s->timer_last = now; |
1a961e78 | 829 | |
18e2c177 | 830 | audio_run(s, "timer"); |
71830221 | 831 | audio_reset_timer(s); |
39deb1e4 | 832 | } |
833 | ||
713a98f8 | 834 | /* |
835 | * Public API | |
836 | */ | |
7520462b | 837 | size_t AUD_write(SWVoiceOut *sw, void *buf, size_t size) |
85571bc7 | 838 | { |
1930616b KZ |
839 | HWVoiceOut *hw; |
840 | ||
1d14ffa9 FB |
841 | if (!sw) { |
842 | /* XXX: Consider options */ | |
843 | return size; | |
844 | } | |
1930616b | 845 | hw = sw->hw; |
85571bc7 | 846 | |
1930616b | 847 | if (!hw->enabled) { |
c0fe3827 | 848 | dolog ("Writing to disabled voice %s\n", SW_NAME (sw)); |
85571bc7 FB |
849 | return 0; |
850 | } | |
851 | ||
1930616b KZ |
852 | if (audio_get_pdo_out(hw->s->dev)->mixing_engine) { |
853 | return audio_pcm_sw_write(sw, buf, size); | |
854 | } else { | |
855 | return hw->pcm_ops->write(hw, buf, size); | |
856 | } | |
1d14ffa9 FB |
857 | } |
858 | ||
7520462b | 859 | size_t AUD_read(SWVoiceIn *sw, void *buf, size_t size) |
1d14ffa9 | 860 | { |
1930616b KZ |
861 | HWVoiceIn *hw; |
862 | ||
1d14ffa9 FB |
863 | if (!sw) { |
864 | /* XXX: Consider options */ | |
865 | return size; | |
85571bc7 | 866 | } |
1930616b | 867 | hw = sw->hw; |
1d14ffa9 | 868 | |
1930616b | 869 | if (!hw->enabled) { |
c0fe3827 | 870 | dolog ("Reading from disabled voice %s\n", SW_NAME (sw)); |
1d14ffa9 | 871 | return 0; |
85571bc7 | 872 | } |
1d14ffa9 | 873 | |
1930616b KZ |
874 | if (audio_get_pdo_in(hw->s->dev)->mixing_engine) { |
875 | return audio_pcm_sw_read(sw, buf, size); | |
876 | } else { | |
877 | return hw->pcm_ops->read(hw, buf, size); | |
878 | } | |
85571bc7 FB |
879 | } |
880 | ||
69ac0786 | 881 | int AUD_get_buffer_size_out(SWVoiceOut *sw) |
85571bc7 | 882 | { |
69ac0786 | 883 | return sw->hw->samples * sw->hw->info.bytes_per_frame; |
1d14ffa9 FB |
884 | } |
885 | ||
886 | void AUD_set_active_out (SWVoiceOut *sw, int on) | |
887 | { | |
888 | HWVoiceOut *hw; | |
85571bc7 | 889 | |
1d14ffa9 | 890 | if (!sw) { |
85571bc7 | 891 | return; |
1d14ffa9 | 892 | } |
85571bc7 FB |
893 | |
894 | hw = sw->hw; | |
1d14ffa9 | 895 | if (sw->active != on) { |
526fb058 | 896 | AudioState *s = sw->s; |
1d14ffa9 | 897 | SWVoiceOut *temp_sw; |
ec36b695 | 898 | SWVoiceCap *sc; |
1d14ffa9 FB |
899 | |
900 | if (on) { | |
1d14ffa9 FB |
901 | hw->pending_disable = 0; |
902 | if (!hw->enabled) { | |
903 | hw->enabled = 1; | |
978dd635 | 904 | if (s->vm_running) { |
571a8c52 KZ |
905 | if (hw->pcm_ops->enable_out) { |
906 | hw->pcm_ops->enable_out(hw, true); | |
907 | } | |
39deb1e4 | 908 | audio_reset_timer (s); |
978dd635 | 909 | } |
1d14ffa9 | 910 | } |
1d14ffa9 FB |
911 | } |
912 | else { | |
913 | if (hw->enabled) { | |
914 | int nb_active = 0; | |
915 | ||
916 | for (temp_sw = hw->sw_head.lh_first; temp_sw; | |
917 | temp_sw = temp_sw->entries.le_next) { | |
918 | nb_active += temp_sw->active != 0; | |
919 | } | |
920 | ||
921 | hw->pending_disable = nb_active == 1; | |
922 | } | |
85571bc7 | 923 | } |
ec36b695 FB |
924 | |
925 | for (sc = hw->cap_head.lh_first; sc; sc = sc->entries.le_next) { | |
926 | sc->sw.active = hw->enabled; | |
8ead62cf | 927 | if (hw->enabled) { |
ec36b695 | 928 | audio_capture_maybe_changed (sc->cap, 1); |
8ead62cf FB |
929 | } |
930 | } | |
1d14ffa9 FB |
931 | sw->active = on; |
932 | } | |
933 | } | |
934 | ||
935 | void AUD_set_active_in (SWVoiceIn *sw, int on) | |
936 | { | |
937 | HWVoiceIn *hw; | |
938 | ||
939 | if (!sw) { | |
940 | return; | |
85571bc7 FB |
941 | } |
942 | ||
1d14ffa9 | 943 | hw = sw->hw; |
85571bc7 | 944 | if (sw->active != on) { |
526fb058 | 945 | AudioState *s = sw->s; |
1d14ffa9 FB |
946 | SWVoiceIn *temp_sw; |
947 | ||
85571bc7 | 948 | if (on) { |
85571bc7 FB |
949 | if (!hw->enabled) { |
950 | hw->enabled = 1; | |
978dd635 | 951 | if (s->vm_running) { |
571a8c52 KZ |
952 | if (hw->pcm_ops->enable_in) { |
953 | hw->pcm_ops->enable_in(hw, true); | |
954 | } | |
39deb1e4 | 955 | audio_reset_timer (s); |
978dd635 | 956 | } |
85571bc7 | 957 | } |
1d14ffa9 | 958 | sw->total_hw_samples_acquired = hw->total_samples_captured; |
85571bc7 FB |
959 | } |
960 | else { | |
1d14ffa9 | 961 | if (hw->enabled) { |
85571bc7 | 962 | int nb_active = 0; |
1d14ffa9 FB |
963 | |
964 | for (temp_sw = hw->sw_head.lh_first; temp_sw; | |
965 | temp_sw = temp_sw->entries.le_next) { | |
966 | nb_active += temp_sw->active != 0; | |
85571bc7 FB |
967 | } |
968 | ||
969 | if (nb_active == 1) { | |
1d14ffa9 | 970 | hw->enabled = 0; |
571a8c52 KZ |
971 | if (hw->pcm_ops->enable_in) { |
972 | hw->pcm_ops->enable_in(hw, false); | |
973 | } | |
85571bc7 FB |
974 | } |
975 | } | |
976 | } | |
977 | sw->active = on; | |
978 | } | |
979 | } | |
980 | ||
7520462b | 981 | static size_t audio_get_avail (SWVoiceIn *sw) |
1d14ffa9 | 982 | { |
7520462b | 983 | size_t live; |
1d14ffa9 FB |
984 | |
985 | if (!sw) { | |
986 | return 0; | |
987 | } | |
988 | ||
989 | live = sw->hw->total_samples_captured - sw->total_hw_samples_acquired; | |
dc88e38f KZ |
990 | if (audio_bug(__func__, live > sw->hw->conv_buf->size)) { |
991 | dolog("live=%zu sw->hw->conv_buf->size=%zu\n", live, | |
992 | sw->hw->conv_buf->size); | |
1d14ffa9 FB |
993 | return 0; |
994 | } | |
995 | ||
996 | ldebug ( | |
26a76461 | 997 | "%s: get_avail live %d ret %" PRId64 "\n", |
c0fe3827 | 998 | SW_NAME (sw), |
2b9cce8c | 999 | live, (((int64_t) live << 32) / sw->ratio) * sw->info.bytes_per_frame |
1d14ffa9 FB |
1000 | ); |
1001 | ||
2b9cce8c | 1002 | return (((int64_t) live << 32) / sw->ratio) * sw->info.bytes_per_frame; |
1d14ffa9 FB |
1003 | } |
1004 | ||
7520462b | 1005 | static size_t audio_get_free(SWVoiceOut *sw) |
1d14ffa9 | 1006 | { |
7520462b | 1007 | size_t live, dead; |
1d14ffa9 FB |
1008 | |
1009 | if (!sw) { | |
1010 | return 0; | |
1011 | } | |
1012 | ||
1013 | live = sw->total_hw_samples_mixed; | |
1014 | ||
dc88e38f KZ |
1015 | if (audio_bug(__func__, live > sw->hw->mix_buf->size)) { |
1016 | dolog("live=%zu sw->hw->mix_buf->size=%zu\n", live, | |
1017 | sw->hw->mix_buf->size); | |
c0fe3827 | 1018 | return 0; |
1d14ffa9 FB |
1019 | } |
1020 | ||
dc88e38f | 1021 | dead = sw->hw->mix_buf->size - live; |
1d14ffa9 FB |
1022 | |
1023 | #ifdef DEBUG_OUT | |
26a76461 | 1024 | dolog ("%s: get_free live %d dead %d ret %" PRId64 "\n", |
c0fe3827 | 1025 | SW_NAME (sw), |
2b9cce8c KZ |
1026 | live, dead, (((int64_t) dead << 32) / sw->ratio) * |
1027 | sw->info.bytes_per_frame); | |
85571bc7 | 1028 | #endif |
1d14ffa9 | 1029 | |
2b9cce8c | 1030 | return (((int64_t) dead << 32) / sw->ratio) * sw->info.bytes_per_frame; |
1d14ffa9 FB |
1031 | } |
1032 | ||
7520462b KZ |
1033 | static void audio_capture_mix_and_clear(HWVoiceOut *hw, size_t rpos, |
1034 | size_t samples) | |
8ead62cf | 1035 | { |
7520462b | 1036 | size_t n; |
8ead62cf FB |
1037 | |
1038 | if (hw->enabled) { | |
ec36b695 | 1039 | SWVoiceCap *sc; |
8ead62cf | 1040 | |
ec36b695 FB |
1041 | for (sc = hw->cap_head.lh_first; sc; sc = sc->entries.le_next) { |
1042 | SWVoiceOut *sw = &sc->sw; | |
8ead62cf FB |
1043 | int rpos2 = rpos; |
1044 | ||
1045 | n = samples; | |
1046 | while (n) { | |
dc88e38f | 1047 | size_t till_end_of_hw = hw->mix_buf->size - rpos2; |
7520462b | 1048 | size_t to_write = MIN(till_end_of_hw, n); |
2b9cce8c | 1049 | size_t bytes = to_write * hw->info.bytes_per_frame; |
7520462b | 1050 | size_t written; |
8ead62cf | 1051 | |
dc88e38f | 1052 | sw->buf = hw->mix_buf->samples + rpos2; |
8ead62cf FB |
1053 | written = audio_pcm_sw_write (sw, NULL, bytes); |
1054 | if (written - bytes) { | |
7520462b KZ |
1055 | dolog("Could not mix %zu bytes into a capture " |
1056 | "buffer, mixed %zu\n", | |
1057 | bytes, written); | |
8ead62cf FB |
1058 | break; |
1059 | } | |
1060 | n -= to_write; | |
dc88e38f | 1061 | rpos2 = (rpos2 + to_write) % hw->mix_buf->size; |
8ead62cf FB |
1062 | } |
1063 | } | |
1064 | } | |
1065 | ||
dc88e38f KZ |
1066 | n = MIN(samples, hw->mix_buf->size - rpos); |
1067 | mixeng_clear(hw->mix_buf->samples + rpos, n); | |
1068 | mixeng_clear(hw->mix_buf->samples, samples - n); | |
8ead62cf FB |
1069 | } |
1070 | ||
ff095e52 KZ |
1071 | static size_t audio_pcm_hw_run_out(HWVoiceOut *hw, size_t live) |
1072 | { | |
1073 | size_t clipped = 0; | |
1074 | ||
1075 | while (live) { | |
aec6d0dc VR |
1076 | size_t size = live * hw->info.bytes_per_frame; |
1077 | size_t decr, proc; | |
ff095e52 | 1078 | void *buf = hw->pcm_ops->get_buffer_out(hw, &size); |
4c3356f9 VR |
1079 | |
1080 | if (size == 0) { | |
fb35c2ce | 1081 | break; |
ff095e52 KZ |
1082 | } |
1083 | ||
2b9cce8c | 1084 | decr = MIN(size / hw->info.bytes_per_frame, live); |
4c3356f9 VR |
1085 | if (buf) { |
1086 | audio_pcm_hw_clip_out(hw, buf, decr); | |
1087 | } | |
2b9cce8c KZ |
1088 | proc = hw->pcm_ops->put_buffer_out(hw, buf, |
1089 | decr * hw->info.bytes_per_frame) / | |
1090 | hw->info.bytes_per_frame; | |
ff095e52 KZ |
1091 | |
1092 | live -= proc; | |
1093 | clipped += proc; | |
dc88e38f | 1094 | hw->mix_buf->pos = (hw->mix_buf->pos + proc) % hw->mix_buf->size; |
ff095e52 KZ |
1095 | |
1096 | if (proc == 0 || proc < decr) { | |
1097 | break; | |
1098 | } | |
1099 | } | |
1100 | ||
fdc8c5f4 VR |
1101 | if (hw->pcm_ops->run_buffer_out) { |
1102 | hw->pcm_ops->run_buffer_out(hw); | |
1103 | } | |
1104 | ||
ff095e52 KZ |
1105 | return clipped; |
1106 | } | |
1107 | ||
c0fe3827 | 1108 | static void audio_run_out (AudioState *s) |
1d14ffa9 FB |
1109 | { |
1110 | HWVoiceOut *hw = NULL; | |
1111 | SWVoiceOut *sw; | |
1112 | ||
1930616b KZ |
1113 | if (!audio_get_pdo_out(s->dev)->mixing_engine) { |
1114 | while ((hw = audio_pcm_hw_find_any_enabled_out(s, hw))) { | |
1115 | /* there is exactly 1 sw for each hw with no mixeng */ | |
1116 | sw = hw->sw_head.lh_first; | |
1117 | ||
1118 | if (hw->pending_disable) { | |
1119 | hw->enabled = 0; | |
1120 | hw->pending_disable = 0; | |
1121 | if (hw->pcm_ops->enable_out) { | |
1122 | hw->pcm_ops->enable_out(hw, false); | |
1123 | } | |
1124 | } | |
1125 | ||
1126 | if (sw->active) { | |
1127 | sw->callback.fn(sw->callback.opaque, INT_MAX); | |
1128 | } | |
1129 | } | |
1130 | return; | |
1131 | } | |
1132 | ||
526fb058 | 1133 | while ((hw = audio_pcm_hw_find_any_enabled_out(s, hw))) { |
7520462b KZ |
1134 | size_t played, live, prev_rpos, free; |
1135 | int nb_live, cleanup_required; | |
1d14ffa9 | 1136 | |
bdff253c | 1137 | live = audio_pcm_hw_get_live_out (hw, &nb_live); |
1d14ffa9 FB |
1138 | if (!nb_live) { |
1139 | live = 0; | |
1140 | } | |
c0fe3827 | 1141 | |
dc88e38f KZ |
1142 | if (audio_bug(__func__, live > hw->mix_buf->size)) { |
1143 | dolog("live=%zu hw->mix_buf->size=%zu\n", live, hw->mix_buf->size); | |
c0fe3827 | 1144 | continue; |
1d14ffa9 FB |
1145 | } |
1146 | ||
1147 | if (hw->pending_disable && !nb_live) { | |
ec36b695 | 1148 | SWVoiceCap *sc; |
1d14ffa9 FB |
1149 | #ifdef DEBUG_OUT |
1150 | dolog ("Disabling voice\n"); | |
85571bc7 | 1151 | #endif |
1d14ffa9 FB |
1152 | hw->enabled = 0; |
1153 | hw->pending_disable = 0; | |
571a8c52 KZ |
1154 | if (hw->pcm_ops->enable_out) { |
1155 | hw->pcm_ops->enable_out(hw, false); | |
1156 | } | |
ec36b695 FB |
1157 | for (sc = hw->cap_head.lh_first; sc; sc = sc->entries.le_next) { |
1158 | sc->sw.active = 0; | |
1159 | audio_recalc_and_notify_capture (sc->cap); | |
8ead62cf | 1160 | } |
1d14ffa9 FB |
1161 | continue; |
1162 | } | |
1163 | ||
1164 | if (!live) { | |
1165 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { | |
1166 | if (sw->active) { | |
1167 | free = audio_get_free (sw); | |
1168 | if (free > 0) { | |
1169 | sw->callback.fn (sw->callback.opaque, free); | |
1170 | } | |
1171 | } | |
1172 | } | |
a8a98cfd VR |
1173 | if (hw->pcm_ops->run_buffer_out) { |
1174 | hw->pcm_ops->run_buffer_out(hw); | |
1175 | } | |
1d14ffa9 FB |
1176 | continue; |
1177 | } | |
1178 | ||
dc88e38f | 1179 | prev_rpos = hw->mix_buf->pos; |
3f5bbfc2 | 1180 | played = audio_pcm_hw_run_out(hw, live); |
3d4d16f4 | 1181 | replay_audio_out(&played); |
dc88e38f KZ |
1182 | if (audio_bug(__func__, hw->mix_buf->pos >= hw->mix_buf->size)) { |
1183 | dolog("hw->mix_buf->pos=%zu hw->mix_buf->size=%zu played=%zu\n", | |
1184 | hw->mix_buf->pos, hw->mix_buf->size, played); | |
1185 | hw->mix_buf->pos = 0; | |
1d14ffa9 FB |
1186 | } |
1187 | ||
1188 | #ifdef DEBUG_OUT | |
7520462b | 1189 | dolog("played=%zu\n", played); |
85571bc7 | 1190 | #endif |
1d14ffa9 FB |
1191 | |
1192 | if (played) { | |
1193 | hw->ts_helper += played; | |
8ead62cf | 1194 | audio_capture_mix_and_clear (hw, prev_rpos, played); |
1d14ffa9 FB |
1195 | } |
1196 | ||
c0fe3827 | 1197 | cleanup_required = 0; |
1d14ffa9 | 1198 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { |
1d14ffa9 FB |
1199 | if (!sw->active && sw->empty) { |
1200 | continue; | |
1201 | } | |
1202 | ||
470bcabd | 1203 | if (audio_bug(__func__, played > sw->total_hw_samples_mixed)) { |
7520462b KZ |
1204 | dolog("played=%zu sw->total_hw_samples_mixed=%zu\n", |
1205 | played, sw->total_hw_samples_mixed); | |
1d14ffa9 FB |
1206 | played = sw->total_hw_samples_mixed; |
1207 | } | |
1208 | ||
1209 | sw->total_hw_samples_mixed -= played; | |
1210 | ||
1211 | if (!sw->total_hw_samples_mixed) { | |
1212 | sw->empty = 1; | |
c0fe3827 | 1213 | cleanup_required |= !sw->active && !sw->callback.fn; |
1d14ffa9 FB |
1214 | } |
1215 | ||
1216 | if (sw->active) { | |
1217 | free = audio_get_free (sw); | |
1218 | if (free > 0) { | |
1219 | sw->callback.fn (sw->callback.opaque, free); | |
1220 | } | |
1221 | } | |
1222 | } | |
c0fe3827 FB |
1223 | |
1224 | if (cleanup_required) { | |
ec36b695 FB |
1225 | SWVoiceOut *sw1; |
1226 | ||
1227 | sw = hw->sw_head.lh_first; | |
1228 | while (sw) { | |
1229 | sw1 = sw->entries.le_next; | |
c0fe3827 | 1230 | if (!sw->active && !sw->callback.fn) { |
1a7dafce | 1231 | audio_close_out (sw); |
c0fe3827 | 1232 | } |
ec36b695 | 1233 | sw = sw1; |
c0fe3827 FB |
1234 | } |
1235 | } | |
1d14ffa9 FB |
1236 | } |
1237 | } | |
1238 | ||
ff095e52 KZ |
1239 | static size_t audio_pcm_hw_run_in(HWVoiceIn *hw, size_t samples) |
1240 | { | |
1241 | size_t conv = 0; | |
dc88e38f | 1242 | STSampleBuffer *conv_buf = hw->conv_buf; |
ff095e52 KZ |
1243 | |
1244 | while (samples) { | |
1245 | size_t proc; | |
2b9cce8c | 1246 | size_t size = samples * hw->info.bytes_per_frame; |
ff095e52 KZ |
1247 | void *buf = hw->pcm_ops->get_buffer_in(hw, &size); |
1248 | ||
2b9cce8c | 1249 | assert(size % hw->info.bytes_per_frame == 0); |
ff095e52 | 1250 | if (size == 0) { |
ff095e52 KZ |
1251 | break; |
1252 | } | |
1253 | ||
2b9cce8c | 1254 | proc = MIN(size / hw->info.bytes_per_frame, |
dc88e38f | 1255 | conv_buf->size - conv_buf->pos); |
ff095e52 | 1256 | |
dc88e38f KZ |
1257 | hw->conv(conv_buf->samples + conv_buf->pos, buf, proc); |
1258 | conv_buf->pos = (conv_buf->pos + proc) % conv_buf->size; | |
ff095e52 KZ |
1259 | |
1260 | samples -= proc; | |
1261 | conv += proc; | |
2b9cce8c | 1262 | hw->pcm_ops->put_buffer_in(hw, buf, proc * hw->info.bytes_per_frame); |
ff095e52 KZ |
1263 | } |
1264 | ||
1265 | return conv; | |
1266 | } | |
1267 | ||
c0fe3827 | 1268 | static void audio_run_in (AudioState *s) |
1d14ffa9 FB |
1269 | { |
1270 | HWVoiceIn *hw = NULL; | |
1271 | ||
1930616b KZ |
1272 | if (!audio_get_pdo_in(s->dev)->mixing_engine) { |
1273 | while ((hw = audio_pcm_hw_find_any_enabled_in(s, hw))) { | |
1274 | /* there is exactly 1 sw for each hw with no mixeng */ | |
1275 | SWVoiceIn *sw = hw->sw_head.lh_first; | |
1276 | if (sw->active) { | |
1277 | sw->callback.fn(sw->callback.opaque, INT_MAX); | |
1278 | } | |
1279 | } | |
1280 | return; | |
1281 | } | |
1282 | ||
526fb058 | 1283 | while ((hw = audio_pcm_hw_find_any_enabled_in(s, hw))) { |
1d14ffa9 | 1284 | SWVoiceIn *sw; |
7520462b | 1285 | size_t captured = 0, min; |
1d14ffa9 | 1286 | |
3d4d16f4 | 1287 | if (replay_mode != REPLAY_MODE_PLAY) { |
3f5bbfc2 | 1288 | captured = audio_pcm_hw_run_in( |
dc88e38f | 1289 | hw, hw->conv_buf->size - audio_pcm_hw_get_live_in(hw)); |
3d4d16f4 | 1290 | } |
dc88e38f KZ |
1291 | replay_audio_in(&captured, hw->conv_buf->samples, &hw->conv_buf->pos, |
1292 | hw->conv_buf->size); | |
1d14ffa9 FB |
1293 | |
1294 | min = audio_pcm_hw_find_min_in (hw); | |
1295 | hw->total_samples_captured += captured - min; | |
1296 | hw->ts_helper += captured; | |
1297 | ||
1298 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { | |
1299 | sw->total_hw_samples_acquired -= min; | |
1300 | ||
1301 | if (sw->active) { | |
7520462b | 1302 | size_t avail; |
1d14ffa9 FB |
1303 | |
1304 | avail = audio_get_avail (sw); | |
1305 | if (avail > 0) { | |
1306 | sw->callback.fn (sw->callback.opaque, avail); | |
1307 | } | |
1308 | } | |
1309 | } | |
1310 | } | |
1311 | } | |
1312 | ||
8ead62cf FB |
1313 | static void audio_run_capture (AudioState *s) |
1314 | { | |
1315 | CaptureVoiceOut *cap; | |
1316 | ||
1317 | for (cap = s->cap_head.lh_first; cap; cap = cap->entries.le_next) { | |
7520462b | 1318 | size_t live, rpos, captured; |
8ead62cf FB |
1319 | HWVoiceOut *hw = &cap->hw; |
1320 | SWVoiceOut *sw; | |
1321 | ||
bdff253c | 1322 | captured = live = audio_pcm_hw_get_live_out (hw, NULL); |
dc88e38f | 1323 | rpos = hw->mix_buf->pos; |
8ead62cf | 1324 | while (live) { |
dc88e38f | 1325 | size_t left = hw->mix_buf->size - rpos; |
7520462b | 1326 | size_t to_capture = MIN(live, left); |
1ea879e5 | 1327 | struct st_sample *src; |
8ead62cf FB |
1328 | struct capture_callback *cb; |
1329 | ||
dc88e38f | 1330 | src = hw->mix_buf->samples + rpos; |
8ead62cf FB |
1331 | hw->clip (cap->buf, src, to_capture); |
1332 | mixeng_clear (src, to_capture); | |
1333 | ||
1334 | for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) { | |
1335 | cb->ops.capture (cb->opaque, cap->buf, | |
2b9cce8c | 1336 | to_capture * hw->info.bytes_per_frame); |
8ead62cf | 1337 | } |
dc88e38f | 1338 | rpos = (rpos + to_capture) % hw->mix_buf->size; |
8ead62cf FB |
1339 | live -= to_capture; |
1340 | } | |
dc88e38f | 1341 | hw->mix_buf->pos = rpos; |
8ead62cf FB |
1342 | |
1343 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { | |
1344 | if (!sw->active && sw->empty) { | |
1345 | continue; | |
1346 | } | |
1347 | ||
470bcabd | 1348 | if (audio_bug(__func__, captured > sw->total_hw_samples_mixed)) { |
7520462b KZ |
1349 | dolog("captured=%zu sw->total_hw_samples_mixed=%zu\n", |
1350 | captured, sw->total_hw_samples_mixed); | |
8ead62cf FB |
1351 | captured = sw->total_hw_samples_mixed; |
1352 | } | |
1353 | ||
1354 | sw->total_hw_samples_mixed -= captured; | |
1355 | sw->empty = sw->total_hw_samples_mixed == 0; | |
1356 | } | |
1357 | } | |
1358 | } | |
1359 | ||
18e2c177 | 1360 | void audio_run(AudioState *s, const char *msg) |
571ec3d6 | 1361 | { |
18e2c177 KZ |
1362 | audio_run_out(s); |
1363 | audio_run_in(s); | |
1364 | audio_run_capture(s); | |
571ec3d6 | 1365 | |
713a98f8 | 1366 | #ifdef DEBUG_POLL |
1367 | { | |
1368 | static double prevtime; | |
1369 | double currtime; | |
1370 | struct timeval tv; | |
571ec3d6 | 1371 | |
713a98f8 | 1372 | if (gettimeofday (&tv, NULL)) { |
1373 | perror ("audio_run: gettimeofday"); | |
1374 | return; | |
1375 | } | |
1376 | ||
1377 | currtime = tv.tv_sec + tv.tv_usec * 1e-6; | |
1378 | dolog ("Elapsed since last %s: %f\n", msg, currtime - prevtime); | |
1379 | prevtime = currtime; | |
1380 | } | |
1381 | #endif | |
571ec3d6 FB |
1382 | } |
1383 | ||
ff095e52 KZ |
1384 | void *audio_generic_get_buffer_in(HWVoiceIn *hw, size_t *size) |
1385 | { | |
1386 | ssize_t start; | |
1387 | ||
1388 | if (unlikely(!hw->buf_emul)) { | |
2b9cce8c | 1389 | size_t calc_size = hw->conv_buf->size * hw->info.bytes_per_frame; |
ff095e52 KZ |
1390 | hw->buf_emul = g_malloc(calc_size); |
1391 | hw->size_emul = calc_size; | |
1392 | hw->pos_emul = hw->pending_emul = 0; | |
1393 | } | |
1394 | ||
1395 | while (hw->pending_emul < hw->size_emul) { | |
1396 | size_t read_len = MIN(hw->size_emul - hw->pos_emul, | |
1397 | hw->size_emul - hw->pending_emul); | |
1398 | size_t read = hw->pcm_ops->read(hw, hw->buf_emul + hw->pos_emul, | |
1399 | read_len); | |
1400 | hw->pending_emul += read; | |
7ffc90f3 | 1401 | hw->pos_emul = (hw->pos_emul + read) % hw->size_emul; |
ff095e52 KZ |
1402 | if (read < read_len) { |
1403 | break; | |
1404 | } | |
1405 | } | |
1406 | ||
1407 | start = ((ssize_t) hw->pos_emul) - hw->pending_emul; | |
1408 | if (start < 0) { | |
1409 | start += hw->size_emul; | |
1410 | } | |
1411 | assert(start >= 0 && start < hw->size_emul); | |
1412 | ||
599eac4e VR |
1413 | *size = MIN(*size, hw->pending_emul); |
1414 | *size = MIN(*size, hw->size_emul - start); | |
ff095e52 KZ |
1415 | return hw->buf_emul + start; |
1416 | } | |
1417 | ||
1418 | void audio_generic_put_buffer_in(HWVoiceIn *hw, void *buf, size_t size) | |
1419 | { | |
1420 | assert(size <= hw->pending_emul); | |
1421 | hw->pending_emul -= size; | |
1422 | } | |
1423 | ||
fdc8c5f4 VR |
1424 | void audio_generic_run_buffer_out(HWVoiceOut *hw) |
1425 | { | |
1426 | while (hw->pending_emul) { | |
1427 | size_t write_len, written; | |
1428 | ssize_t start = ((ssize_t) hw->pos_emul) - hw->pending_emul; | |
1429 | ||
1430 | if (start < 0) { | |
1431 | start += hw->size_emul; | |
1432 | } | |
1433 | assert(start >= 0 && start < hw->size_emul); | |
1434 | ||
1435 | write_len = MIN(hw->pending_emul, hw->size_emul - start); | |
1436 | ||
1437 | written = hw->pcm_ops->write(hw, hw->buf_emul + start, write_len); | |
1438 | hw->pending_emul -= written; | |
1439 | ||
1440 | if (written < write_len) { | |
1441 | break; | |
1442 | } | |
1443 | } | |
1444 | } | |
1445 | ||
ff095e52 KZ |
1446 | void *audio_generic_get_buffer_out(HWVoiceOut *hw, size_t *size) |
1447 | { | |
1448 | if (unlikely(!hw->buf_emul)) { | |
2b9cce8c | 1449 | size_t calc_size = hw->mix_buf->size * hw->info.bytes_per_frame; |
ff095e52 KZ |
1450 | |
1451 | hw->buf_emul = g_malloc(calc_size); | |
1452 | hw->size_emul = calc_size; | |
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 | ||
1476 | while (total < size) { | |
1477 | size_t dst_size = size - total; | |
1478 | size_t copy_size, proc; | |
1479 | void *dst = hw->pcm_ops->get_buffer_out(hw, &dst_size); | |
ff095e52 | 1480 | |
2d882307 VR |
1481 | if (dst_size == 0) { |
1482 | break; | |
1483 | } | |
1484 | ||
1485 | copy_size = MIN(size - total, dst_size); | |
1486 | if (dst) { | |
1487 | memcpy(dst, (char *)buf + total, copy_size); | |
1488 | } | |
1489 | proc = hw->pcm_ops->put_buffer_out(hw, dst, copy_size); | |
1490 | total += proc; | |
1491 | ||
1492 | if (proc == 0 || proc < copy_size) { | |
1493 | break; | |
1494 | } | |
1495 | } | |
1496 | ||
1497 | if (hw->pcm_ops->run_buffer_out) { | |
1498 | hw->pcm_ops->run_buffer_out(hw); | |
1499 | } | |
1500 | ||
1501 | return total; | |
ff095e52 KZ |
1502 | } |
1503 | ||
1504 | size_t audio_generic_read(HWVoiceIn *hw, void *buf, size_t size) | |
1505 | { | |
b9896dc5 | 1506 | size_t total = 0; |
ff095e52 | 1507 | |
b9896dc5 VR |
1508 | while (total < size) { |
1509 | size_t src_size = size - total; | |
1510 | void *src = hw->pcm_ops->get_buffer_in(hw, &src_size); | |
ff095e52 | 1511 | |
b9896dc5 | 1512 | if (src_size == 0) { |
b9896dc5 VR |
1513 | break; |
1514 | } | |
1515 | ||
1516 | memcpy((char *)buf + total, src, src_size); | |
1517 | hw->pcm_ops->put_buffer_in(hw, src, src_size); | |
1518 | total += src_size; | |
1519 | } | |
1520 | ||
1521 | return total; | |
8d1439b6 | 1522 | } |
ff095e52 | 1523 | |
71830221 KZ |
1524 | static int audio_driver_init(AudioState *s, struct audio_driver *drv, |
1525 | bool msg, Audiodev *dev) | |
85571bc7 | 1526 | { |
71830221 | 1527 | s->drv_opaque = drv->init(dev); |
1d14ffa9 | 1528 | |
c0fe3827 | 1529 | if (s->drv_opaque) { |
ff095e52 KZ |
1530 | if (!drv->pcm_ops->get_buffer_in) { |
1531 | drv->pcm_ops->get_buffer_in = audio_generic_get_buffer_in; | |
1532 | drv->pcm_ops->put_buffer_in = audio_generic_put_buffer_in; | |
1533 | } | |
1534 | if (!drv->pcm_ops->get_buffer_out) { | |
1535 | drv->pcm_ops->get_buffer_out = audio_generic_get_buffer_out; | |
1536 | drv->pcm_ops->put_buffer_out = audio_generic_put_buffer_out; | |
1537 | } | |
1538 | ||
526fb058 KZ |
1539 | audio_init_nb_voices_out(s, drv); |
1540 | audio_init_nb_voices_in(s, drv); | |
c0fe3827 | 1541 | s->drv = drv; |
1d14ffa9 | 1542 | return 0; |
85571bc7 FB |
1543 | } |
1544 | else { | |
fb37ce92 GH |
1545 | if (msg) { |
1546 | dolog("Could not init `%s' audio driver\n", drv->name); | |
1547 | } | |
1d14ffa9 | 1548 | return -1; |
85571bc7 FB |
1549 | } |
1550 | } | |
1551 | ||
9781e040 | 1552 | static void audio_vm_change_state_handler (void *opaque, int running, |
1dfb4dd9 | 1553 | RunState state) |
85571bc7 | 1554 | { |
c0fe3827 | 1555 | AudioState *s = opaque; |
1d14ffa9 FB |
1556 | HWVoiceOut *hwo = NULL; |
1557 | HWVoiceIn *hwi = NULL; | |
1d14ffa9 | 1558 | |
978dd635 | 1559 | s->vm_running = running; |
526fb058 | 1560 | while ((hwo = audio_pcm_hw_find_any_enabled_out(s, hwo))) { |
571a8c52 KZ |
1561 | if (hwo->pcm_ops->enable_out) { |
1562 | hwo->pcm_ops->enable_out(hwo, running); | |
1563 | } | |
1d14ffa9 | 1564 | } |
85571bc7 | 1565 | |
526fb058 | 1566 | while ((hwi = audio_pcm_hw_find_any_enabled_in(s, hwi))) { |
571a8c52 KZ |
1567 | if (hwi->pcm_ops->enable_in) { |
1568 | hwi->pcm_ops->enable_in(hwi, running); | |
1569 | } | |
85571bc7 | 1570 | } |
39deb1e4 | 1571 | audio_reset_timer (s); |
85571bc7 FB |
1572 | } |
1573 | ||
ecd97e95 | 1574 | static void free_audio_state(AudioState *s) |
85571bc7 | 1575 | { |
a384c205 MAL |
1576 | HWVoiceOut *hwo, *hwon; |
1577 | HWVoiceIn *hwi, *hwin; | |
1d14ffa9 | 1578 | |
526fb058 | 1579 | QLIST_FOREACH_SAFE(hwo, &s->hw_head_out, entries, hwon) { |
ec36b695 | 1580 | SWVoiceCap *sc; |
8ead62cf | 1581 | |
571a8c52 KZ |
1582 | if (hwo->enabled && hwo->pcm_ops->enable_out) { |
1583 | hwo->pcm_ops->enable_out(hwo, false); | |
aeb29b64 | 1584 | } |
1d14ffa9 | 1585 | hwo->pcm_ops->fini_out (hwo); |
8ead62cf | 1586 | |
ec36b695 FB |
1587 | for (sc = hwo->cap_head.lh_first; sc; sc = sc->entries.le_next) { |
1588 | CaptureVoiceOut *cap = sc->cap; | |
1589 | struct capture_callback *cb; | |
1590 | ||
1591 | for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) { | |
1592 | cb->ops.destroy (cb->opaque); | |
1593 | } | |
8ead62cf | 1594 | } |
a384c205 | 1595 | QLIST_REMOVE(hwo, entries); |
1d14ffa9 | 1596 | } |
85571bc7 | 1597 | |
526fb058 | 1598 | QLIST_FOREACH_SAFE(hwi, &s->hw_head_in, entries, hwin) { |
571a8c52 KZ |
1599 | if (hwi->enabled && hwi->pcm_ops->enable_in) { |
1600 | hwi->pcm_ops->enable_in(hwi, false); | |
aeb29b64 | 1601 | } |
1d14ffa9 | 1602 | hwi->pcm_ops->fini_in (hwi); |
a384c205 | 1603 | QLIST_REMOVE(hwi, entries); |
85571bc7 | 1604 | } |
c0fe3827 FB |
1605 | |
1606 | if (s->drv) { | |
1607 | s->drv->fini (s->drv_opaque); | |
a384c205 | 1608 | s->drv = NULL; |
c0fe3827 | 1609 | } |
71830221 KZ |
1610 | |
1611 | if (s->dev) { | |
1612 | qapi_free_Audiodev(s->dev); | |
1613 | s->dev = NULL; | |
1614 | } | |
e76ba19a KZ |
1615 | |
1616 | if (s->ts) { | |
1617 | timer_free(s->ts); | |
1618 | s->ts = NULL; | |
1619 | } | |
1620 | ||
ecd97e95 KZ |
1621 | g_free(s); |
1622 | } | |
1623 | ||
1624 | void audio_cleanup(void) | |
1625 | { | |
ecd97e95 KZ |
1626 | while (!QTAILQ_EMPTY(&audio_states)) { |
1627 | AudioState *s = QTAILQ_FIRST(&audio_states); | |
1628 | QTAILQ_REMOVE(&audio_states, s, list); | |
1629 | free_audio_state(s); | |
1630 | } | |
85571bc7 FB |
1631 | } |
1632 | ||
d959fce9 JQ |
1633 | static const VMStateDescription vmstate_audio = { |
1634 | .name = "audio", | |
1635 | .version_id = 1, | |
1636 | .minimum_version_id = 1, | |
35d08458 | 1637 | .fields = (VMStateField[]) { |
d959fce9 | 1638 | VMSTATE_END_OF_LIST() |
1d14ffa9 | 1639 | } |
d959fce9 | 1640 | }; |
85571bc7 | 1641 | |
71830221 KZ |
1642 | static void audio_validate_opts(Audiodev *dev, Error **errp); |
1643 | ||
1644 | static AudiodevListEntry *audiodev_find( | |
1645 | AudiodevListHead *head, const char *drvname) | |
1646 | { | |
1647 | AudiodevListEntry *e; | |
1648 | QSIMPLEQ_FOREACH(e, head, next) { | |
1649 | if (strcmp(AudiodevDriver_str(e->dev->driver), drvname) == 0) { | |
1650 | return e; | |
1651 | } | |
1652 | } | |
1653 | ||
1654 | return NULL; | |
1655 | } | |
1656 | ||
ecd97e95 KZ |
1657 | /* |
1658 | * if we have dev, this function was called because of an -audiodev argument => | |
1659 | * initialize a new state with it | |
1660 | * if dev == NULL => legacy implicit initialization, return the already created | |
1661 | * state or create a new one | |
1662 | */ | |
af2041ed | 1663 | static AudioState *audio_init(Audiodev *dev, const char *name) |
85571bc7 | 1664 | { |
ecd97e95 | 1665 | static bool atexit_registered; |
1d14ffa9 | 1666 | size_t i; |
85571bc7 | 1667 | int done = 0; |
71830221 | 1668 | const char *drvname = NULL; |
713a98f8 | 1669 | VMChangeStateEntry *e; |
ecd97e95 | 1670 | AudioState *s; |
d3893a39 | 1671 | struct audio_driver *driver; |
71830221 KZ |
1672 | /* silence gcc warning about uninitialized variable */ |
1673 | AudiodevListHead head = QSIMPLEQ_HEAD_INITIALIZER(head); | |
1d14ffa9 | 1674 | |
f0c4555e GH |
1675 | if (using_spice) { |
1676 | /* | |
1677 | * When using spice allow the spice audio driver being picked | |
1678 | * as default. | |
1679 | * | |
1680 | * Temporary hack. Using audio devices without explicit | |
1681 | * audiodev= property is already deprecated. Same goes for | |
1682 | * the -soundhw switch. Once this support gets finally | |
1683 | * removed we can also drop the concept of a default audio | |
1684 | * backend and this can go away. | |
1685 | */ | |
1686 | driver = audio_driver_lookup("spice"); | |
06c8c375 GH |
1687 | if (driver) { |
1688 | driver->can_be_default = 1; | |
1689 | } | |
f0c4555e GH |
1690 | } |
1691 | ||
71830221 KZ |
1692 | if (dev) { |
1693 | /* -audiodev option */ | |
af2041ed | 1694 | legacy_config = false; |
71830221 | 1695 | drvname = AudiodevDriver_str(dev->driver); |
ecd97e95 | 1696 | } else if (!QTAILQ_EMPTY(&audio_states)) { |
af2041ed | 1697 | if (!legacy_config) { |
4b3b7793 KZ |
1698 | dolog("Device %s: audiodev default parameter is deprecated, please " |
1699 | "specify audiodev=%s\n", name, | |
1700 | QTAILQ_FIRST(&audio_states)->dev->id); | |
af2041ed | 1701 | } |
ecd97e95 | 1702 | return QTAILQ_FIRST(&audio_states); |
71830221 KZ |
1703 | } else { |
1704 | /* legacy implicit initialization */ | |
1705 | head = audio_handle_legacy_opts(); | |
1706 | /* | |
1707 | * In case of legacy initialization, all Audiodevs in the list will have | |
e3a6e0da | 1708 | * the same configuration (except the driver), so it doesn't matter which |
71830221 KZ |
1709 | * one we chose. We need an Audiodev to set up AudioState before we can |
1710 | * init a driver. Also note that dev at this point is still in the | |
1711 | * list. | |
1712 | */ | |
1713 | dev = QSIMPLEQ_FIRST(&head)->dev; | |
1714 | audio_validate_opts(dev, &error_abort); | |
1715 | } | |
ecd97e95 KZ |
1716 | |
1717 | s = g_malloc0(sizeof(AudioState)); | |
71830221 KZ |
1718 | s->dev = dev; |
1719 | ||
72cf2d4f BS |
1720 | QLIST_INIT (&s->hw_head_out); |
1721 | QLIST_INIT (&s->hw_head_in); | |
1722 | QLIST_INIT (&s->cap_head); | |
ecd97e95 KZ |
1723 | if (!atexit_registered) { |
1724 | atexit(audio_cleanup); | |
1725 | atexit_registered = true; | |
1726 | } | |
1727 | QTAILQ_INSERT_TAIL(&audio_states, s, list); | |
571ec3d6 | 1728 | |
bc72ad67 | 1729 | s->ts = timer_new_ns(QEMU_CLOCK_VIRTUAL, audio_timer, s); |
571ec3d6 | 1730 | |
71830221 KZ |
1731 | s->nb_hw_voices_out = audio_get_pdo_out(dev)->voices; |
1732 | s->nb_hw_voices_in = audio_get_pdo_in(dev)->voices; | |
c0fe3827 | 1733 | |
1d14ffa9 | 1734 | if (s->nb_hw_voices_out <= 0) { |
571ec3d6 | 1735 | dolog ("Bogus number of playback voices %d, setting to 1\n", |
1d14ffa9 FB |
1736 | s->nb_hw_voices_out); |
1737 | s->nb_hw_voices_out = 1; | |
1738 | } | |
1739 | ||
1740 | if (s->nb_hw_voices_in <= 0) { | |
571ec3d6 | 1741 | dolog ("Bogus number of capture voices %d, setting to 0\n", |
1d14ffa9 | 1742 | s->nb_hw_voices_in); |
571ec3d6 | 1743 | s->nb_hw_voices_in = 0; |
1d14ffa9 | 1744 | } |
85571bc7 | 1745 | |
85571bc7 | 1746 | if (drvname) { |
d3893a39 GH |
1747 | driver = audio_driver_lookup(drvname); |
1748 | if (driver) { | |
71830221 | 1749 | done = !audio_driver_init(s, driver, true, dev); |
d3893a39 | 1750 | } else { |
85571bc7 FB |
1751 | dolog ("Unknown audio driver `%s'\n", drvname); |
1752 | } | |
71830221 KZ |
1753 | } else { |
1754 | for (i = 0; audio_prio_list[i]; i++) { | |
1755 | AudiodevListEntry *e = audiodev_find(&head, audio_prio_list[i]); | |
d3893a39 | 1756 | driver = audio_driver_lookup(audio_prio_list[i]); |
71830221 KZ |
1757 | |
1758 | if (e && driver) { | |
1759 | s->dev = dev = e->dev; | |
1760 | audio_validate_opts(dev, &error_abort); | |
1761 | done = !audio_driver_init(s, driver, false, dev); | |
1762 | if (done) { | |
1763 | e->dev = NULL; | |
1764 | break; | |
1765 | } | |
1d14ffa9 | 1766 | } |
85571bc7 FB |
1767 | } |
1768 | } | |
71830221 | 1769 | audio_free_audiodev_list(&head); |
85571bc7 | 1770 | |
85571bc7 | 1771 | if (!done) { |
d3893a39 | 1772 | driver = audio_driver_lookup("none"); |
71830221 | 1773 | done = !audio_driver_init(s, driver, false, dev); |
7e274652 MA |
1774 | assert(done); |
1775 | dolog("warning: Using timer based audio emulation\n"); | |
85571bc7 | 1776 | } |
1d14ffa9 | 1777 | |
71830221 KZ |
1778 | if (dev->timer_period <= 0) { |
1779 | s->period_ticks = 1; | |
0d9acba8 | 1780 | } else { |
40ad46d3 | 1781 | s->period_ticks = dev->timer_period * (int64_t)SCALE_US; |
1d14ffa9 | 1782 | } |
0d9acba8 PB |
1783 | |
1784 | e = qemu_add_vm_change_state_handler (audio_vm_change_state_handler, s); | |
1785 | if (!e) { | |
1786 | dolog ("warning: Could not register change state handler\n" | |
1787 | "(Audio can continue looping even after stopping the VM)\n"); | |
1d14ffa9 FB |
1788 | } |
1789 | ||
72cf2d4f | 1790 | QLIST_INIT (&s->card_head); |
0be71e32 | 1791 | vmstate_register (NULL, 0, &vmstate_audio, s); |
ecd97e95 | 1792 | return s; |
71830221 KZ |
1793 | } |
1794 | ||
1795 | void audio_free_audiodev_list(AudiodevListHead *head) | |
1796 | { | |
1797 | AudiodevListEntry *e; | |
1798 | while ((e = QSIMPLEQ_FIRST(head))) { | |
1799 | QSIMPLEQ_REMOVE_HEAD(head, next); | |
1800 | qapi_free_Audiodev(e->dev); | |
1801 | g_free(e); | |
1802 | } | |
85571bc7 | 1803 | } |
8ead62cf | 1804 | |
1a7dafce | 1805 | void AUD_register_card (const char *name, QEMUSoundCard *card) |
1806 | { | |
ecd97e95 | 1807 | if (!card->state) { |
af2041ed | 1808 | card->state = audio_init(NULL, name); |
ecd97e95 KZ |
1809 | } |
1810 | ||
7267c094 | 1811 | card->name = g_strdup (name); |
1a7dafce | 1812 | memset (&card->entries, 0, sizeof (card->entries)); |
ecd97e95 | 1813 | QLIST_INSERT_HEAD(&card->state->card_head, card, entries); |
1a7dafce | 1814 | } |
1815 | ||
1816 | void AUD_remove_card (QEMUSoundCard *card) | |
1817 | { | |
72cf2d4f | 1818 | QLIST_REMOVE (card, entries); |
7267c094 | 1819 | g_free (card->name); |
1a7dafce | 1820 | } |
1821 | ||
1822 | ||
ecd97e95 KZ |
1823 | CaptureVoiceOut *AUD_add_capture( |
1824 | AudioState *s, | |
1ea879e5 | 1825 | struct audsettings *as, |
8ead62cf FB |
1826 | struct audio_capture_ops *ops, |
1827 | void *cb_opaque | |
1828 | ) | |
1829 | { | |
1830 | CaptureVoiceOut *cap; | |
1831 | struct capture_callback *cb; | |
1832 | ||
ecd97e95 | 1833 | if (!s) { |
af2041ed | 1834 | if (!legacy_config) { |
4b3b7793 | 1835 | dolog("Capturing without setting an audiodev is deprecated\n"); |
af2041ed KZ |
1836 | } |
1837 | s = audio_init(NULL, NULL); | |
ecd97e95 KZ |
1838 | } |
1839 | ||
1930616b KZ |
1840 | if (!audio_get_pdo_out(s->dev)->mixing_engine) { |
1841 | dolog("Can't capture with mixeng disabled\n"); | |
1842 | return NULL; | |
1843 | } | |
1844 | ||
ec36b695 | 1845 | if (audio_validate_settings (as)) { |
8ead62cf FB |
1846 | dolog ("Invalid settings were passed when trying to add capture\n"); |
1847 | audio_print_settings (as); | |
e8d85444 | 1848 | return NULL; |
8ead62cf FB |
1849 | } |
1850 | ||
e8d85444 | 1851 | cb = g_malloc0(sizeof(*cb)); |
8ead62cf FB |
1852 | cb->ops = *ops; |
1853 | cb->opaque = cb_opaque; | |
1854 | ||
526fb058 | 1855 | cap = audio_pcm_capture_find_specific(s, as); |
8ead62cf | 1856 | if (cap) { |
72cf2d4f | 1857 | QLIST_INSERT_HEAD (&cap->cb_head, cb, entries); |
ec36b695 | 1858 | return cap; |
8ead62cf FB |
1859 | } |
1860 | else { | |
1861 | HWVoiceOut *hw; | |
1862 | CaptureVoiceOut *cap; | |
1863 | ||
e8d85444 | 1864 | cap = g_malloc0(sizeof(*cap)); |
8ead62cf FB |
1865 | |
1866 | hw = &cap->hw; | |
526fb058 | 1867 | hw->s = s; |
72cf2d4f BS |
1868 | QLIST_INIT (&hw->sw_head); |
1869 | QLIST_INIT (&cap->cb_head); | |
8ead62cf FB |
1870 | |
1871 | /* XXX find a more elegant way */ | |
1872 | hw->samples = 4096 * 4; | |
dc88e38f | 1873 | audio_pcm_hw_alloc_resources_out(hw); |
8ead62cf | 1874 | |
d929eba5 | 1875 | audio_pcm_init_info (&hw->info, as); |
8ead62cf | 1876 | |
2b9cce8c | 1877 | cap->buf = g_malloc0_n(hw->mix_buf->size, hw->info.bytes_per_frame); |
8ead62cf | 1878 | |
ed2a4a79 KZ |
1879 | if (hw->info.is_float) { |
1880 | hw->clip = mixeng_clip_float[hw->info.nchannels == 2]; | |
1881 | } else { | |
1882 | hw->clip = mixeng_clip | |
1883 | [hw->info.nchannels == 2] | |
1884 | [hw->info.is_signed] | |
1885 | [hw->info.swap_endianness] | |
1886 | [audio_bits_to_index(hw->info.bits)]; | |
1887 | } | |
8ead62cf | 1888 | |
72cf2d4f BS |
1889 | QLIST_INSERT_HEAD (&s->cap_head, cap, entries); |
1890 | QLIST_INSERT_HEAD (&cap->cb_head, cb, entries); | |
8ead62cf | 1891 | |
526fb058 | 1892 | QLIST_FOREACH(hw, &s->hw_head_out, entries) { |
1a7dafce | 1893 | audio_attach_capture (hw); |
8ead62cf | 1894 | } |
ec36b695 | 1895 | return cap; |
ec36b695 FB |
1896 | } |
1897 | } | |
1898 | ||
1899 | void AUD_del_capture (CaptureVoiceOut *cap, void *cb_opaque) | |
1900 | { | |
1901 | struct capture_callback *cb; | |
1902 | ||
1903 | for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) { | |
1904 | if (cb->opaque == cb_opaque) { | |
1905 | cb->ops.destroy (cb_opaque); | |
72cf2d4f | 1906 | QLIST_REMOVE (cb, entries); |
7267c094 | 1907 | g_free (cb); |
ec36b695 FB |
1908 | |
1909 | if (!cap->cb_head.lh_first) { | |
1910 | SWVoiceOut *sw = cap->hw.sw_head.lh_first, *sw1; | |
a3c25997 | 1911 | |
ec36b695 | 1912 | while (sw) { |
a3c25997 | 1913 | SWVoiceCap *sc = (SWVoiceCap *) sw; |
ec36b695 FB |
1914 | #ifdef DEBUG_CAPTURE |
1915 | dolog ("freeing %s\n", sw->name); | |
1916 | #endif | |
a3c25997 | 1917 | |
ec36b695 FB |
1918 | sw1 = sw->entries.le_next; |
1919 | if (sw->rate) { | |
1920 | st_rate_stop (sw->rate); | |
1921 | sw->rate = NULL; | |
1922 | } | |
72cf2d4f BS |
1923 | QLIST_REMOVE (sw, entries); |
1924 | QLIST_REMOVE (sc, entries); | |
7267c094 | 1925 | g_free (sc); |
ec36b695 FB |
1926 | sw = sw1; |
1927 | } | |
72cf2d4f | 1928 | QLIST_REMOVE (cap, entries); |
3268a845 GH |
1929 | g_free (cap->hw.mix_buf); |
1930 | g_free (cap->buf); | |
7267c094 | 1931 | g_free (cap); |
ec36b695 FB |
1932 | } |
1933 | return; | |
1934 | } | |
8ead62cf FB |
1935 | } |
1936 | } | |
683efdcb AZ |
1937 | |
1938 | void AUD_set_volume_out (SWVoiceOut *sw, int mute, uint8_t lvol, uint8_t rvol) | |
cecc1e79 KZ |
1939 | { |
1940 | Volume vol = { .mute = mute, .channels = 2, .vol = { lvol, rvol } }; | |
1941 | audio_set_volume_out(sw, &vol); | |
1942 | } | |
1943 | ||
1944 | void audio_set_volume_out(SWVoiceOut *sw, Volume *vol) | |
683efdcb AZ |
1945 | { |
1946 | if (sw) { | |
6c95ab94 MAL |
1947 | HWVoiceOut *hw = sw->hw; |
1948 | ||
cecc1e79 KZ |
1949 | sw->vol.mute = vol->mute; |
1950 | sw->vol.l = nominal_volume.l * vol->vol[0] / 255; | |
1951 | sw->vol.r = nominal_volume.l * vol->vol[vol->channels > 1 ? 1 : 0] / | |
1952 | 255; | |
6c95ab94 | 1953 | |
571a8c52 | 1954 | if (hw->pcm_ops->volume_out) { |
cecc1e79 | 1955 | hw->pcm_ops->volume_out(hw, vol); |
6c95ab94 | 1956 | } |
683efdcb AZ |
1957 | } |
1958 | } | |
1959 | ||
1960 | void AUD_set_volume_in (SWVoiceIn *sw, int mute, uint8_t lvol, uint8_t rvol) | |
cecc1e79 KZ |
1961 | { |
1962 | Volume vol = { .mute = mute, .channels = 2, .vol = { lvol, rvol } }; | |
1963 | audio_set_volume_in(sw, &vol); | |
1964 | } | |
1965 | ||
1966 | void audio_set_volume_in(SWVoiceIn *sw, Volume *vol) | |
683efdcb AZ |
1967 | { |
1968 | if (sw) { | |
6c95ab94 MAL |
1969 | HWVoiceIn *hw = sw->hw; |
1970 | ||
cecc1e79 KZ |
1971 | sw->vol.mute = vol->mute; |
1972 | sw->vol.l = nominal_volume.l * vol->vol[0] / 255; | |
1973 | sw->vol.r = nominal_volume.r * vol->vol[vol->channels > 1 ? 1 : 0] / | |
1974 | 255; | |
6c95ab94 | 1975 | |
571a8c52 | 1976 | if (hw->pcm_ops->volume_in) { |
cecc1e79 | 1977 | hw->pcm_ops->volume_in(hw, vol); |
6c95ab94 | 1978 | } |
683efdcb AZ |
1979 | } |
1980 | } | |
71830221 KZ |
1981 | |
1982 | void audio_create_pdos(Audiodev *dev) | |
1983 | { | |
1984 | switch (dev->driver) { | |
1985 | #define CASE(DRIVER, driver, pdo_name) \ | |
1986 | case AUDIODEV_DRIVER_##DRIVER: \ | |
1987 | if (!dev->u.driver.has_in) { \ | |
1988 | dev->u.driver.in = g_malloc0( \ | |
1989 | sizeof(Audiodev##pdo_name##PerDirectionOptions)); \ | |
1990 | dev->u.driver.has_in = true; \ | |
1991 | } \ | |
1992 | if (!dev->u.driver.has_out) { \ | |
1993 | dev->u.driver.out = g_malloc0( \ | |
725662d6 | 1994 | sizeof(Audiodev##pdo_name##PerDirectionOptions)); \ |
71830221 KZ |
1995 | dev->u.driver.has_out = true; \ |
1996 | } \ | |
1997 | break | |
1998 | ||
1999 | CASE(NONE, none, ); | |
2000 | CASE(ALSA, alsa, Alsa); | |
2001 | CASE(COREAUDIO, coreaudio, Coreaudio); | |
2002 | CASE(DSOUND, dsound, ); | |
2e445703 | 2003 | CASE(JACK, jack, Jack); |
71830221 KZ |
2004 | CASE(OSS, oss, Oss); |
2005 | CASE(PA, pa, Pa); | |
2006 | CASE(SDL, sdl, ); | |
2007 | CASE(SPICE, spice, ); | |
2008 | CASE(WAV, wav, ); | |
2009 | ||
2010 | case AUDIODEV_DRIVER__MAX: | |
2011 | abort(); | |
2012 | }; | |
2013 | } | |
2014 | ||
2015 | static void audio_validate_per_direction_opts( | |
2016 | AudiodevPerDirectionOptions *pdo, Error **errp) | |
2017 | { | |
1930616b KZ |
2018 | if (!pdo->has_mixing_engine) { |
2019 | pdo->has_mixing_engine = true; | |
2020 | pdo->mixing_engine = true; | |
2021 | } | |
71830221 KZ |
2022 | if (!pdo->has_fixed_settings) { |
2023 | pdo->has_fixed_settings = true; | |
1930616b | 2024 | pdo->fixed_settings = pdo->mixing_engine; |
71830221 KZ |
2025 | } |
2026 | if (!pdo->fixed_settings && | |
2027 | (pdo->has_frequency || pdo->has_channels || pdo->has_format)) { | |
2028 | error_setg(errp, | |
2029 | "You can't use frequency, channels or format with fixed-settings=off"); | |
2030 | return; | |
2031 | } | |
1930616b KZ |
2032 | if (!pdo->mixing_engine && pdo->fixed_settings) { |
2033 | error_setg(errp, "You can't use fixed-settings without mixeng"); | |
2034 | return; | |
2035 | } | |
71830221 KZ |
2036 | |
2037 | if (!pdo->has_frequency) { | |
2038 | pdo->has_frequency = true; | |
2039 | pdo->frequency = 44100; | |
2040 | } | |
2041 | if (!pdo->has_channels) { | |
2042 | pdo->has_channels = true; | |
2043 | pdo->channels = 2; | |
2044 | } | |
2045 | if (!pdo->has_voices) { | |
2046 | pdo->has_voices = true; | |
1930616b | 2047 | pdo->voices = pdo->mixing_engine ? 1 : INT_MAX; |
71830221 KZ |
2048 | } |
2049 | if (!pdo->has_format) { | |
2050 | pdo->has_format = true; | |
2051 | pdo->format = AUDIO_FORMAT_S16; | |
2052 | } | |
2053 | } | |
2054 | ||
2055 | static void audio_validate_opts(Audiodev *dev, Error **errp) | |
2056 | { | |
2057 | Error *err = NULL; | |
2058 | ||
2059 | audio_create_pdos(dev); | |
2060 | ||
2061 | audio_validate_per_direction_opts(audio_get_pdo_in(dev), &err); | |
2062 | if (err) { | |
2063 | error_propagate(errp, err); | |
2064 | return; | |
2065 | } | |
2066 | ||
2067 | audio_validate_per_direction_opts(audio_get_pdo_out(dev), &err); | |
2068 | if (err) { | |
2069 | error_propagate(errp, err); | |
2070 | return; | |
2071 | } | |
2072 | ||
2073 | if (!dev->has_timer_period) { | |
2074 | dev->has_timer_period = true; | |
2075 | dev->timer_period = 10000; /* 100Hz -> 10ms */ | |
2076 | } | |
2077 | } | |
2078 | ||
2079 | void audio_parse_option(const char *opt) | |
2080 | { | |
2081 | AudiodevListEntry *e; | |
2082 | Audiodev *dev = NULL; | |
2083 | ||
2084 | Visitor *v = qobject_input_visitor_new_str(opt, "driver", &error_fatal); | |
2085 | visit_type_Audiodev(v, NULL, &dev, &error_fatal); | |
2086 | visit_free(v); | |
2087 | ||
2088 | audio_validate_opts(dev, &error_fatal); | |
2089 | ||
2090 | e = g_malloc0(sizeof(AudiodevListEntry)); | |
2091 | e->dev = dev; | |
2092 | QSIMPLEQ_INSERT_TAIL(&audiodevs, e, next); | |
2093 | } | |
2094 | ||
2095 | void audio_init_audiodevs(void) | |
2096 | { | |
2097 | AudiodevListEntry *e; | |
2098 | ||
2099 | QSIMPLEQ_FOREACH(e, &audiodevs, next) { | |
af2041ed | 2100 | audio_init(e->dev, NULL); |
71830221 KZ |
2101 | } |
2102 | } | |
2103 | ||
2104 | audsettings audiodev_to_audsettings(AudiodevPerDirectionOptions *pdo) | |
2105 | { | |
2106 | return (audsettings) { | |
2107 | .freq = pdo->frequency, | |
2108 | .nchannels = pdo->channels, | |
2109 | .fmt = pdo->format, | |
2110 | .endianness = AUDIO_HOST_ENDIANNESS, | |
2111 | }; | |
2112 | } | |
2113 | ||
2114 | int audioformat_bytes_per_sample(AudioFormat fmt) | |
2115 | { | |
2116 | switch (fmt) { | |
2117 | case AUDIO_FORMAT_U8: | |
2118 | case AUDIO_FORMAT_S8: | |
2119 | return 1; | |
2120 | ||
2121 | case AUDIO_FORMAT_U16: | |
2122 | case AUDIO_FORMAT_S16: | |
2123 | return 2; | |
2124 | ||
2125 | case AUDIO_FORMAT_U32: | |
2126 | case AUDIO_FORMAT_S32: | |
ed2a4a79 | 2127 | case AUDIO_FORMAT_F32: |
71830221 KZ |
2128 | return 4; |
2129 | ||
2130 | case AUDIO_FORMAT__MAX: | |
2131 | ; | |
2132 | } | |
2133 | abort(); | |
2134 | } | |
2135 | ||
2136 | ||
2137 | /* frames = freq * usec / 1e6 */ | |
2138 | int audio_buffer_frames(AudiodevPerDirectionOptions *pdo, | |
2139 | audsettings *as, int def_usecs) | |
2140 | { | |
2141 | uint64_t usecs = pdo->has_buffer_length ? pdo->buffer_length : def_usecs; | |
2142 | return (as->freq * usecs + 500000) / 1000000; | |
2143 | } | |
2144 | ||
2145 | /* samples = channels * frames = channels * freq * usec / 1e6 */ | |
2146 | int audio_buffer_samples(AudiodevPerDirectionOptions *pdo, | |
2147 | audsettings *as, int def_usecs) | |
2148 | { | |
2149 | return as->nchannels * audio_buffer_frames(pdo, as, def_usecs); | |
2150 | } | |
2151 | ||
2152 | /* | |
2153 | * bytes = bytes_per_sample * samples = | |
2154 | * bytes_per_sample * channels * freq * usec / 1e6 | |
2155 | */ | |
2156 | int audio_buffer_bytes(AudiodevPerDirectionOptions *pdo, | |
2157 | audsettings *as, int def_usecs) | |
2158 | { | |
2159 | return audio_buffer_samples(pdo, as, def_usecs) * | |
2160 | audioformat_bytes_per_sample(as->fmt); | |
2161 | } | |
ecd97e95 KZ |
2162 | |
2163 | AudioState *audio_state_by_name(const char *name) | |
2164 | { | |
2165 | AudioState *s; | |
2166 | QTAILQ_FOREACH(s, &audio_states, list) { | |
2167 | assert(s->dev); | |
2168 | if (strcmp(name, s->dev->id) == 0) { | |
2169 | return s; | |
2170 | } | |
2171 | } | |
2172 | return NULL; | |
2173 | } | |
2174 | ||
2175 | const char *audio_get_id(QEMUSoundCard *card) | |
2176 | { | |
2177 | if (card->state) { | |
2178 | assert(card->state->dev); | |
2179 | return card->state->dev->id; | |
2180 | } else { | |
2181 | return ""; | |
2182 | } | |
2183 | } | |
857271a2 KZ |
2184 | |
2185 | void audio_rate_start(RateCtl *rate) | |
2186 | { | |
2187 | memset(rate, 0, sizeof(RateCtl)); | |
2188 | rate->start_ticks = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); | |
2189 | } | |
2190 | ||
2191 | size_t audio_rate_get_bytes(struct audio_pcm_info *info, RateCtl *rate, | |
2192 | size_t bytes_avail) | |
2193 | { | |
2194 | int64_t now; | |
2195 | int64_t ticks; | |
2196 | int64_t bytes; | |
2197 | int64_t samples; | |
2198 | size_t ret; | |
2199 | ||
2200 | now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); | |
2201 | ticks = now - rate->start_ticks; | |
2202 | bytes = muldiv64(ticks, info->bytes_per_second, NANOSECONDS_PER_SECOND); | |
2b9cce8c | 2203 | samples = (bytes - rate->bytes_sent) / info->bytes_per_frame; |
857271a2 KZ |
2204 | if (samples < 0 || samples > 65536) { |
2205 | AUD_log(NULL, "Resetting rate control (%" PRId64 " samples)\n", samples); | |
2206 | audio_rate_start(rate); | |
2207 | samples = 0; | |
2208 | } | |
2209 | ||
2b9cce8c | 2210 | ret = MIN(samples * info->bytes_per_frame, bytes_avail); |
857271a2 KZ |
2211 | rate->bytes_sent += ret; |
2212 | return ret; | |
2213 | } |