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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" |
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"); | |
ab32b78c | 120 | abort(); |
85571bc7 FB |
121 | } |
122 | ||
1d14ffa9 | 123 | return cond; |
85571bc7 FB |
124 | } |
125 | ||
f941aa25 TS |
126 | static inline int audio_bits_to_index (int bits) |
127 | { | |
128 | switch (bits) { | |
129 | case 8: | |
130 | return 0; | |
131 | ||
132 | case 16: | |
133 | return 1; | |
134 | ||
135 | case 32: | |
136 | return 2; | |
137 | ||
138 | default: | |
139 | audio_bug ("bits_to_index", 1); | |
140 | AUD_log (NULL, "invalid bits %d\n", bits); | |
141 | return 0; | |
142 | } | |
143 | } | |
144 | ||
c0fe3827 FB |
145 | void *audio_calloc (const char *funcname, int nmemb, size_t size) |
146 | { | |
147 | int cond; | |
148 | size_t len; | |
149 | ||
150 | len = nmemb * size; | |
151 | cond = !nmemb || !size; | |
152 | cond |= nmemb < 0; | |
153 | cond |= len < size; | |
154 | ||
155 | if (audio_bug ("audio_calloc", cond)) { | |
156 | AUD_log (NULL, "%s passed invalid arguments to audio_calloc\n", | |
157 | funcname); | |
541e0844 | 158 | AUD_log (NULL, "nmemb=%d size=%zu (len=%zu)\n", nmemb, size, len); |
c0fe3827 FB |
159 | return NULL; |
160 | } | |
161 | ||
7267c094 | 162 | return g_malloc0 (len); |
c0fe3827 FB |
163 | } |
164 | ||
541e0844 | 165 | void AUD_vlog (const char *cap, const char *fmt, va_list ap) |
85571bc7 | 166 | { |
06ac27f6 KZ |
167 | if (cap) { |
168 | fprintf(stderr, "%s: ", cap); | |
541e0844 | 169 | } |
541e0844 | 170 | |
06ac27f6 | 171 | vfprintf(stderr, fmt, ap); |
85571bc7 FB |
172 | } |
173 | ||
541e0844 | 174 | void AUD_log (const char *cap, const char *fmt, ...) |
85571bc7 | 175 | { |
541e0844 FB |
176 | va_list ap; |
177 | ||
178 | va_start (ap, fmt); | |
179 | AUD_vlog (cap, fmt, ap); | |
180 | va_end (ap); | |
85571bc7 FB |
181 | } |
182 | ||
1ea879e5 | 183 | static void audio_print_settings (struct audsettings *as) |
c0fe3827 FB |
184 | { |
185 | dolog ("frequency=%d nchannels=%d fmt=", as->freq, as->nchannels); | |
186 | ||
187 | switch (as->fmt) { | |
85bc5852 | 188 | case AUDIO_FORMAT_S8: |
c0fe3827 FB |
189 | AUD_log (NULL, "S8"); |
190 | break; | |
85bc5852 | 191 | case AUDIO_FORMAT_U8: |
c0fe3827 FB |
192 | AUD_log (NULL, "U8"); |
193 | break; | |
85bc5852 | 194 | case AUDIO_FORMAT_S16: |
c0fe3827 FB |
195 | AUD_log (NULL, "S16"); |
196 | break; | |
85bc5852 | 197 | case AUDIO_FORMAT_U16: |
c0fe3827 FB |
198 | AUD_log (NULL, "U16"); |
199 | break; | |
85bc5852 | 200 | case AUDIO_FORMAT_S32: |
d50997f9 | 201 | AUD_log (NULL, "S32"); |
202 | break; | |
85bc5852 | 203 | case AUDIO_FORMAT_U32: |
d50997f9 | 204 | AUD_log (NULL, "U32"); |
205 | break; | |
ed2a4a79 KZ |
206 | case AUDIO_FORMAT_F32: |
207 | AUD_log (NULL, "F32"); | |
208 | break; | |
c0fe3827 FB |
209 | default: |
210 | AUD_log (NULL, "invalid(%d)", as->fmt); | |
211 | break; | |
212 | } | |
ec36b695 FB |
213 | |
214 | AUD_log (NULL, " endianness="); | |
d929eba5 FB |
215 | switch (as->endianness) { |
216 | case 0: | |
217 | AUD_log (NULL, "little"); | |
218 | break; | |
219 | case 1: | |
220 | AUD_log (NULL, "big"); | |
221 | break; | |
222 | default: | |
223 | AUD_log (NULL, "invalid"); | |
224 | break; | |
225 | } | |
c0fe3827 FB |
226 | AUD_log (NULL, "\n"); |
227 | } | |
228 | ||
1ea879e5 | 229 | static int audio_validate_settings (struct audsettings *as) |
c0fe3827 FB |
230 | { |
231 | int invalid; | |
232 | ||
b5c7db3e | 233 | invalid = as->nchannels < 1; |
d929eba5 | 234 | invalid |= as->endianness != 0 && as->endianness != 1; |
c0fe3827 FB |
235 | |
236 | switch (as->fmt) { | |
85bc5852 KZ |
237 | case AUDIO_FORMAT_S8: |
238 | case AUDIO_FORMAT_U8: | |
239 | case AUDIO_FORMAT_S16: | |
240 | case AUDIO_FORMAT_U16: | |
241 | case AUDIO_FORMAT_S32: | |
242 | case AUDIO_FORMAT_U32: | |
ed2a4a79 | 243 | case AUDIO_FORMAT_F32: |
c0fe3827 FB |
244 | break; |
245 | default: | |
246 | invalid = 1; | |
247 | break; | |
248 | } | |
249 | ||
250 | invalid |= as->freq <= 0; | |
d929eba5 | 251 | return invalid ? -1 : 0; |
c0fe3827 FB |
252 | } |
253 | ||
1ea879e5 | 254 | static int audio_pcm_info_eq (struct audio_pcm_info *info, struct audsettings *as) |
85571bc7 | 255 | { |
ed2a4a79 KZ |
256 | int bits = 8; |
257 | bool is_signed = false, is_float = false; | |
85571bc7 | 258 | |
c0fe3827 | 259 | switch (as->fmt) { |
85bc5852 | 260 | case AUDIO_FORMAT_S8: |
ed2a4a79 | 261 | is_signed = true; |
b4bd0b16 | 262 | /* fall through */ |
85bc5852 | 263 | case AUDIO_FORMAT_U8: |
1d14ffa9 FB |
264 | break; |
265 | ||
85bc5852 | 266 | case AUDIO_FORMAT_S16: |
ed2a4a79 | 267 | is_signed = true; |
b4bd0b16 | 268 | /* fall through */ |
85bc5852 | 269 | case AUDIO_FORMAT_U16: |
1d14ffa9 FB |
270 | bits = 16; |
271 | break; | |
f941aa25 | 272 | |
ed2a4a79 KZ |
273 | case AUDIO_FORMAT_F32: |
274 | is_float = true; | |
275 | /* fall through */ | |
85bc5852 | 276 | case AUDIO_FORMAT_S32: |
ed2a4a79 | 277 | is_signed = true; |
b4bd0b16 | 278 | /* fall through */ |
85bc5852 | 279 | case AUDIO_FORMAT_U32: |
f941aa25 TS |
280 | bits = 32; |
281 | break; | |
85bc5852 KZ |
282 | |
283 | default: | |
284 | abort(); | |
85571bc7 | 285 | } |
c0fe3827 FB |
286 | return info->freq == as->freq |
287 | && info->nchannels == as->nchannels | |
ed2a4a79 KZ |
288 | && info->is_signed == is_signed |
289 | && info->is_float == is_float | |
d929eba5 FB |
290 | && info->bits == bits |
291 | && info->swap_endianness == (as->endianness != AUDIO_HOST_ENDIANNESS); | |
1d14ffa9 | 292 | } |
85571bc7 | 293 | |
1ea879e5 | 294 | void audio_pcm_init_info (struct audio_pcm_info *info, struct audsettings *as) |
1d14ffa9 | 295 | { |
ed2a4a79 KZ |
296 | int bits = 8, mul; |
297 | bool is_signed = false, is_float = false; | |
1d14ffa9 | 298 | |
c0fe3827 | 299 | switch (as->fmt) { |
85bc5852 | 300 | case AUDIO_FORMAT_S8: |
ed2a4a79 | 301 | is_signed = true; |
f7621fd1 | 302 | /* fall through */ |
85bc5852 | 303 | case AUDIO_FORMAT_U8: |
2b9cce8c | 304 | mul = 1; |
85571bc7 FB |
305 | break; |
306 | ||
85bc5852 | 307 | case AUDIO_FORMAT_S16: |
ed2a4a79 | 308 | is_signed = true; |
e4634941 | 309 | /* fall through */ |
85bc5852 | 310 | case AUDIO_FORMAT_U16: |
85571bc7 | 311 | bits = 16; |
2b9cce8c | 312 | mul = 2; |
f941aa25 TS |
313 | break; |
314 | ||
ed2a4a79 KZ |
315 | case AUDIO_FORMAT_F32: |
316 | is_float = true; | |
317 | /* fall through */ | |
85bc5852 | 318 | case AUDIO_FORMAT_S32: |
ed2a4a79 | 319 | is_signed = true; |
e4634941 | 320 | /* fall through */ |
85bc5852 | 321 | case AUDIO_FORMAT_U32: |
f941aa25 | 322 | bits = 32; |
2b9cce8c | 323 | mul = 4; |
85571bc7 | 324 | break; |
85bc5852 KZ |
325 | |
326 | default: | |
327 | abort(); | |
85571bc7 FB |
328 | } |
329 | ||
c0fe3827 | 330 | info->freq = as->freq; |
1d14ffa9 | 331 | info->bits = bits; |
ed2a4a79 KZ |
332 | info->is_signed = is_signed; |
333 | info->is_float = is_float; | |
c0fe3827 | 334 | info->nchannels = as->nchannels; |
2b9cce8c KZ |
335 | info->bytes_per_frame = as->nchannels * mul; |
336 | info->bytes_per_second = info->freq * info->bytes_per_frame; | |
d929eba5 | 337 | info->swap_endianness = (as->endianness != AUDIO_HOST_ENDIANNESS); |
85571bc7 FB |
338 | } |
339 | ||
1d14ffa9 | 340 | void audio_pcm_info_clear_buf (struct audio_pcm_info *info, void *buf, int len) |
85571bc7 | 341 | { |
1d14ffa9 FB |
342 | if (!len) { |
343 | return; | |
344 | } | |
345 | ||
ed2a4a79 | 346 | if (info->is_signed || info->is_float) { |
2b9cce8c | 347 | memset(buf, 0x00, len * info->bytes_per_frame); |
6c6886bd | 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; | |
6c6886bd | 587 | } else { |
dc88e38f | 588 | return hw->conv_buf->size + rpos; |
85571bc7 | 589 | } |
85571bc7 FB |
590 | } |
591 | ||
7520462b | 592 | static size_t audio_pcm_sw_read(SWVoiceIn *sw, void *buf, size_t size) |
85571bc7 | 593 | { |
1d14ffa9 | 594 | HWVoiceIn *hw = sw->hw; |
7520462b | 595 | size_t samples, live, ret = 0, swlim, isamp, osamp, rpos, total = 0; |
1ea879e5 | 596 | struct st_sample *src, *dst = sw->buf; |
1d14ffa9 | 597 | |
dc88e38f | 598 | rpos = audio_pcm_sw_get_rpos_in(sw) % hw->conv_buf->size; |
1d14ffa9 FB |
599 | |
600 | live = hw->total_samples_captured - sw->total_hw_samples_acquired; | |
dc88e38f KZ |
601 | if (audio_bug(__func__, live > hw->conv_buf->size)) { |
602 | dolog("live_in=%zu hw->conv_buf->size=%zu\n", live, hw->conv_buf->size); | |
1d14ffa9 FB |
603 | return 0; |
604 | } | |
605 | ||
2b9cce8c | 606 | samples = size / sw->info.bytes_per_frame; |
1d14ffa9 FB |
607 | if (!live) { |
608 | return 0; | |
609 | } | |
85571bc7 | 610 | |
1d14ffa9 | 611 | swlim = (live * sw->ratio) >> 32; |
58935915 | 612 | swlim = MIN (swlim, samples); |
85571bc7 | 613 | |
1d14ffa9 | 614 | while (swlim) { |
dc88e38f KZ |
615 | src = hw->conv_buf->samples + rpos; |
616 | if (hw->conv_buf->pos > rpos) { | |
617 | isamp = hw->conv_buf->pos - rpos; | |
7520462b | 618 | } else { |
dc88e38f | 619 | isamp = hw->conv_buf->size - rpos; |
1d14ffa9 | 620 | } |
85571bc7 | 621 | |
1d14ffa9 FB |
622 | if (!isamp) { |
623 | break; | |
624 | } | |
625 | osamp = swlim; | |
85571bc7 | 626 | |
1d14ffa9 FB |
627 | st_rate_flow (sw->rate, src, dst, &isamp, &osamp); |
628 | swlim -= osamp; | |
dc88e38f | 629 | rpos = (rpos + isamp) % hw->conv_buf->size; |
1d14ffa9 FB |
630 | dst += osamp; |
631 | ret += osamp; | |
632 | total += isamp; | |
633 | } | |
85571bc7 | 634 | |
cbaf25d1 | 635 | if (hw->pcm_ops && !hw->pcm_ops->volume_in) { |
c01b2456 MAL |
636 | mixeng_volume (sw->buf, ret, &sw->vol); |
637 | } | |
00e07679 | 638 | |
571ec3d6 | 639 | sw->clip (buf, sw->buf, ret); |
1d14ffa9 | 640 | sw->total_hw_samples_acquired += total; |
2b9cce8c | 641 | return ret * sw->info.bytes_per_frame; |
85571bc7 FB |
642 | } |
643 | ||
1d14ffa9 FB |
644 | /* |
645 | * Hard voice (playback) | |
646 | */ | |
7520462b | 647 | static size_t audio_pcm_hw_find_min_out (HWVoiceOut *hw, int *nb_livep) |
1d14ffa9 | 648 | { |
c0fe3827 | 649 | SWVoiceOut *sw; |
7520462b | 650 | size_t m = SIZE_MAX; |
c0fe3827 | 651 | int nb_live = 0; |
85571bc7 | 652 | |
c0fe3827 FB |
653 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { |
654 | if (sw->active || !sw->empty) { | |
58935915 | 655 | m = MIN (m, sw->total_hw_samples_mixed); |
c0fe3827 FB |
656 | nb_live += 1; |
657 | } | |
85571bc7 | 658 | } |
c0fe3827 FB |
659 | |
660 | *nb_livep = nb_live; | |
661 | return m; | |
1d14ffa9 | 662 | } |
85571bc7 | 663 | |
7520462b | 664 | static size_t audio_pcm_hw_get_live_out (HWVoiceOut *hw, int *nb_live) |
1d14ffa9 | 665 | { |
7520462b | 666 | size_t smin; |
bdff253c | 667 | int nb_live1; |
85571bc7 | 668 | |
bdff253c | 669 | smin = audio_pcm_hw_find_min_out (hw, &nb_live1); |
670 | if (nb_live) { | |
671 | *nb_live = nb_live1; | |
85571bc7 | 672 | } |
bdff253c | 673 | |
674 | if (nb_live1) { | |
7520462b | 675 | size_t live = smin; |
1d14ffa9 | 676 | |
dc88e38f KZ |
677 | if (audio_bug(__func__, live > hw->mix_buf->size)) { |
678 | dolog("live=%zu hw->mix_buf->size=%zu\n", live, hw->mix_buf->size); | |
1d14ffa9 | 679 | return 0; |
85571bc7 | 680 | } |
1d14ffa9 | 681 | return live; |
85571bc7 | 682 | } |
bdff253c | 683 | return 0; |
85571bc7 FB |
684 | } |
685 | ||
1d14ffa9 FB |
686 | /* |
687 | * Soft voice (playback) | |
688 | */ | |
7520462b | 689 | static size_t audio_pcm_sw_write(SWVoiceOut *sw, void *buf, size_t size) |
85571bc7 | 690 | { |
7520462b KZ |
691 | size_t hwsamples, samples, isamp, osamp, wpos, live, dead, left, swlim, blck; |
692 | size_t ret = 0, pos = 0, total = 0; | |
85571bc7 | 693 | |
1d14ffa9 FB |
694 | if (!sw) { |
695 | return size; | |
696 | } | |
85571bc7 | 697 | |
dc88e38f | 698 | hwsamples = sw->hw->mix_buf->size; |
85571bc7 | 699 | |
1d14ffa9 | 700 | live = sw->total_hw_samples_mixed; |
7520462b | 701 | if (audio_bug(__func__, live > hwsamples)) { |
dc88e38f | 702 | dolog("live=%zu hw->mix_buf->size=%zu\n", live, hwsamples); |
1d14ffa9 FB |
703 | return 0; |
704 | } | |
85571bc7 | 705 | |
1d14ffa9 | 706 | if (live == hwsamples) { |
ec36b695 | 707 | #ifdef DEBUG_OUT |
0c29b786 | 708 | dolog ("%s is full %zu\n", sw->name, live); |
ec36b695 | 709 | #endif |
1d14ffa9 FB |
710 | return 0; |
711 | } | |
85571bc7 | 712 | |
dc88e38f | 713 | wpos = (sw->hw->mix_buf->pos + live) % hwsamples; |
2b9cce8c | 714 | samples = size / sw->info.bytes_per_frame; |
85571bc7 | 715 | |
1d14ffa9 FB |
716 | dead = hwsamples - live; |
717 | swlim = ((int64_t) dead << 32) / sw->ratio; | |
58935915 | 718 | swlim = MIN (swlim, samples); |
1d14ffa9 | 719 | if (swlim) { |
00e07679 | 720 | sw->conv (sw->buf, buf, swlim); |
c01b2456 | 721 | |
cbaf25d1 | 722 | if (sw->hw->pcm_ops && !sw->hw->pcm_ops->volume_out) { |
c01b2456 MAL |
723 | mixeng_volume (sw->buf, swlim, &sw->vol); |
724 | } | |
1d14ffa9 FB |
725 | } |
726 | ||
727 | while (swlim) { | |
728 | dead = hwsamples - live; | |
729 | left = hwsamples - wpos; | |
58935915 | 730 | blck = MIN (dead, left); |
1d14ffa9 FB |
731 | if (!blck) { |
732 | break; | |
733 | } | |
734 | isamp = swlim; | |
735 | osamp = blck; | |
736 | st_rate_flow_mix ( | |
737 | sw->rate, | |
738 | sw->buf + pos, | |
dc88e38f | 739 | sw->hw->mix_buf->samples + wpos, |
1d14ffa9 FB |
740 | &isamp, |
741 | &osamp | |
742 | ); | |
743 | ret += isamp; | |
744 | swlim -= isamp; | |
745 | pos += isamp; | |
746 | live += osamp; | |
747 | wpos = (wpos + osamp) % hwsamples; | |
748 | total += osamp; | |
749 | } | |
750 | ||
751 | sw->total_hw_samples_mixed += total; | |
752 | sw->empty = sw->total_hw_samples_mixed == 0; | |
753 | ||
754 | #ifdef DEBUG_OUT | |
755 | dolog ( | |
7520462b | 756 | "%s: write size %zu ret %zu total sw %zu\n", |
c0fe3827 | 757 | SW_NAME (sw), |
2b9cce8c | 758 | size / sw->info.bytes_per_frame, |
1d14ffa9 | 759 | ret, |
c0fe3827 | 760 | sw->total_hw_samples_mixed |
1d14ffa9 FB |
761 | ); |
762 | #endif | |
763 | ||
2b9cce8c | 764 | return ret * sw->info.bytes_per_frame; |
85571bc7 FB |
765 | } |
766 | ||
1d14ffa9 FB |
767 | #ifdef DEBUG_AUDIO |
768 | static void audio_pcm_print_info (const char *cap, struct audio_pcm_info *info) | |
85571bc7 | 769 | { |
ed2a4a79 KZ |
770 | dolog("%s: bits %d, sign %d, float %d, freq %d, nchan %d\n", |
771 | cap, info->bits, info->is_signed, info->is_float, info->freq, | |
772 | info->nchannels); | |
85571bc7 | 773 | } |
1d14ffa9 | 774 | #endif |
85571bc7 | 775 | |
1d14ffa9 FB |
776 | #define DAC |
777 | #include "audio_template.h" | |
778 | #undef DAC | |
779 | #include "audio_template.h" | |
780 | ||
713a98f8 | 781 | /* |
782 | * Timer | |
783 | */ | |
526fb058 | 784 | static int audio_is_timer_needed(AudioState *s) |
713a98f8 | 785 | { |
786 | HWVoiceIn *hwi = NULL; | |
787 | HWVoiceOut *hwo = NULL; | |
788 | ||
526fb058 | 789 | while ((hwo = audio_pcm_hw_find_any_enabled_out(s, hwo))) { |
6c6886bd ZH |
790 | if (!hwo->poll_mode) { |
791 | return 1; | |
792 | } | |
713a98f8 | 793 | } |
526fb058 | 794 | while ((hwi = audio_pcm_hw_find_any_enabled_in(s, hwi))) { |
6c6886bd ZH |
795 | if (!hwi->poll_mode) { |
796 | return 1; | |
797 | } | |
713a98f8 | 798 | } |
799 | return 0; | |
800 | } | |
801 | ||
39deb1e4 | 802 | static void audio_reset_timer (AudioState *s) |
713a98f8 | 803 | { |
526fb058 | 804 | if (audio_is_timer_needed(s)) { |
1ffc2665 | 805 | timer_mod_anticipate_ns(s->ts, |
71830221 | 806 | qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + s->period_ticks); |
526fb058 KZ |
807 | if (!s->timer_running) { |
808 | s->timer_running = true; | |
809 | s->timer_last = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); | |
71830221 | 810 | trace_audio_timer_start(s->period_ticks / SCALE_MS); |
1a961e78 GH |
811 | } |
812 | } else { | |
813 | timer_del(s->ts); | |
526fb058 KZ |
814 | if (s->timer_running) { |
815 | s->timer_running = false; | |
1a961e78 GH |
816 | trace_audio_timer_stop(); |
817 | } | |
713a98f8 | 818 | } |
819 | } | |
820 | ||
39deb1e4 | 821 | static void audio_timer (void *opaque) |
822 | { | |
1a961e78 | 823 | int64_t now, diff; |
71830221 | 824 | AudioState *s = opaque; |
1a961e78 GH |
825 | |
826 | now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); | |
526fb058 | 827 | diff = now - s->timer_last; |
71830221 | 828 | if (diff > s->period_ticks * 3 / 2) { |
1a961e78 GH |
829 | trace_audio_timer_delayed(diff / SCALE_MS); |
830 | } | |
526fb058 | 831 | s->timer_last = now; |
1a961e78 | 832 | |
18e2c177 | 833 | audio_run(s, "timer"); |
71830221 | 834 | audio_reset_timer(s); |
39deb1e4 | 835 | } |
836 | ||
713a98f8 | 837 | /* |
838 | * Public API | |
839 | */ | |
7520462b | 840 | size_t AUD_write(SWVoiceOut *sw, void *buf, size_t size) |
85571bc7 | 841 | { |
1930616b KZ |
842 | HWVoiceOut *hw; |
843 | ||
1d14ffa9 FB |
844 | if (!sw) { |
845 | /* XXX: Consider options */ | |
846 | return size; | |
847 | } | |
1930616b | 848 | hw = sw->hw; |
85571bc7 | 849 | |
1930616b | 850 | if (!hw->enabled) { |
c0fe3827 | 851 | dolog ("Writing to disabled voice %s\n", SW_NAME (sw)); |
85571bc7 FB |
852 | return 0; |
853 | } | |
854 | ||
1930616b KZ |
855 | if (audio_get_pdo_out(hw->s->dev)->mixing_engine) { |
856 | return audio_pcm_sw_write(sw, buf, size); | |
857 | } else { | |
858 | return hw->pcm_ops->write(hw, buf, size); | |
859 | } | |
1d14ffa9 FB |
860 | } |
861 | ||
7520462b | 862 | size_t AUD_read(SWVoiceIn *sw, void *buf, size_t size) |
1d14ffa9 | 863 | { |
1930616b KZ |
864 | HWVoiceIn *hw; |
865 | ||
1d14ffa9 FB |
866 | if (!sw) { |
867 | /* XXX: Consider options */ | |
868 | return size; | |
85571bc7 | 869 | } |
1930616b | 870 | hw = sw->hw; |
1d14ffa9 | 871 | |
1930616b | 872 | if (!hw->enabled) { |
c0fe3827 | 873 | dolog ("Reading from disabled voice %s\n", SW_NAME (sw)); |
1d14ffa9 | 874 | return 0; |
85571bc7 | 875 | } |
1d14ffa9 | 876 | |
1930616b KZ |
877 | if (audio_get_pdo_in(hw->s->dev)->mixing_engine) { |
878 | return audio_pcm_sw_read(sw, buf, size); | |
879 | } else { | |
880 | return hw->pcm_ops->read(hw, buf, size); | |
881 | } | |
85571bc7 FB |
882 | } |
883 | ||
69ac0786 | 884 | int AUD_get_buffer_size_out(SWVoiceOut *sw) |
85571bc7 | 885 | { |
69ac0786 | 886 | return sw->hw->samples * sw->hw->info.bytes_per_frame; |
1d14ffa9 FB |
887 | } |
888 | ||
889 | void AUD_set_active_out (SWVoiceOut *sw, int on) | |
890 | { | |
891 | HWVoiceOut *hw; | |
85571bc7 | 892 | |
1d14ffa9 | 893 | if (!sw) { |
85571bc7 | 894 | return; |
1d14ffa9 | 895 | } |
85571bc7 FB |
896 | |
897 | hw = sw->hw; | |
1d14ffa9 | 898 | if (sw->active != on) { |
526fb058 | 899 | AudioState *s = sw->s; |
1d14ffa9 | 900 | SWVoiceOut *temp_sw; |
ec36b695 | 901 | SWVoiceCap *sc; |
1d14ffa9 FB |
902 | |
903 | if (on) { | |
1d14ffa9 FB |
904 | hw->pending_disable = 0; |
905 | if (!hw->enabled) { | |
906 | hw->enabled = 1; | |
978dd635 | 907 | if (s->vm_running) { |
571a8c52 KZ |
908 | if (hw->pcm_ops->enable_out) { |
909 | hw->pcm_ops->enable_out(hw, true); | |
910 | } | |
39deb1e4 | 911 | audio_reset_timer (s); |
978dd635 | 912 | } |
1d14ffa9 | 913 | } |
6c6886bd | 914 | } else { |
1d14ffa9 FB |
915 | if (hw->enabled) { |
916 | int nb_active = 0; | |
917 | ||
918 | for (temp_sw = hw->sw_head.lh_first; temp_sw; | |
919 | temp_sw = temp_sw->entries.le_next) { | |
920 | nb_active += temp_sw->active != 0; | |
921 | } | |
922 | ||
923 | hw->pending_disable = nb_active == 1; | |
924 | } | |
85571bc7 | 925 | } |
ec36b695 FB |
926 | |
927 | for (sc = hw->cap_head.lh_first; sc; sc = sc->entries.le_next) { | |
928 | sc->sw.active = hw->enabled; | |
8ead62cf | 929 | if (hw->enabled) { |
ec36b695 | 930 | audio_capture_maybe_changed (sc->cap, 1); |
8ead62cf FB |
931 | } |
932 | } | |
1d14ffa9 FB |
933 | sw->active = on; |
934 | } | |
935 | } | |
936 | ||
937 | void AUD_set_active_in (SWVoiceIn *sw, int on) | |
938 | { | |
939 | HWVoiceIn *hw; | |
940 | ||
941 | if (!sw) { | |
942 | return; | |
85571bc7 FB |
943 | } |
944 | ||
1d14ffa9 | 945 | hw = sw->hw; |
85571bc7 | 946 | if (sw->active != on) { |
526fb058 | 947 | AudioState *s = sw->s; |
1d14ffa9 FB |
948 | SWVoiceIn *temp_sw; |
949 | ||
85571bc7 | 950 | if (on) { |
85571bc7 FB |
951 | if (!hw->enabled) { |
952 | hw->enabled = 1; | |
978dd635 | 953 | if (s->vm_running) { |
571a8c52 KZ |
954 | if (hw->pcm_ops->enable_in) { |
955 | hw->pcm_ops->enable_in(hw, true); | |
956 | } | |
39deb1e4 | 957 | audio_reset_timer (s); |
978dd635 | 958 | } |
85571bc7 | 959 | } |
1d14ffa9 | 960 | sw->total_hw_samples_acquired = hw->total_samples_captured; |
6c6886bd | 961 | } else { |
1d14ffa9 | 962 | if (hw->enabled) { |
85571bc7 | 963 | int nb_active = 0; |
1d14ffa9 FB |
964 | |
965 | for (temp_sw = hw->sw_head.lh_first; temp_sw; | |
966 | temp_sw = temp_sw->entries.le_next) { | |
967 | nb_active += temp_sw->active != 0; | |
85571bc7 FB |
968 | } |
969 | ||
970 | if (nb_active == 1) { | |
1d14ffa9 | 971 | hw->enabled = 0; |
571a8c52 KZ |
972 | if (hw->pcm_ops->enable_in) { |
973 | hw->pcm_ops->enable_in(hw, false); | |
974 | } | |
85571bc7 FB |
975 | } |
976 | } | |
977 | } | |
978 | sw->active = on; | |
979 | } | |
980 | } | |
981 | ||
7520462b | 982 | static size_t audio_get_avail (SWVoiceIn *sw) |
1d14ffa9 | 983 | { |
7520462b | 984 | size_t live; |
1d14ffa9 FB |
985 | |
986 | if (!sw) { | |
987 | return 0; | |
988 | } | |
989 | ||
990 | live = sw->hw->total_samples_captured - sw->total_hw_samples_acquired; | |
dc88e38f KZ |
991 | if (audio_bug(__func__, live > sw->hw->conv_buf->size)) { |
992 | dolog("live=%zu sw->hw->conv_buf->size=%zu\n", live, | |
993 | sw->hw->conv_buf->size); | |
1d14ffa9 FB |
994 | return 0; |
995 | } | |
996 | ||
997 | ldebug ( | |
0c29b786 | 998 | "%s: get_avail live %zu ret %" PRId64 "\n", |
c0fe3827 | 999 | SW_NAME (sw), |
2b9cce8c | 1000 | live, (((int64_t) live << 32) / sw->ratio) * sw->info.bytes_per_frame |
1d14ffa9 FB |
1001 | ); |
1002 | ||
2b9cce8c | 1003 | return (((int64_t) live << 32) / sw->ratio) * sw->info.bytes_per_frame; |
1d14ffa9 FB |
1004 | } |
1005 | ||
7520462b | 1006 | static size_t audio_get_free(SWVoiceOut *sw) |
1d14ffa9 | 1007 | { |
7520462b | 1008 | size_t live, dead; |
1d14ffa9 FB |
1009 | |
1010 | if (!sw) { | |
1011 | return 0; | |
1012 | } | |
1013 | ||
1014 | live = sw->total_hw_samples_mixed; | |
1015 | ||
dc88e38f KZ |
1016 | if (audio_bug(__func__, live > sw->hw->mix_buf->size)) { |
1017 | dolog("live=%zu sw->hw->mix_buf->size=%zu\n", live, | |
1018 | sw->hw->mix_buf->size); | |
c0fe3827 | 1019 | return 0; |
1d14ffa9 FB |
1020 | } |
1021 | ||
dc88e38f | 1022 | dead = sw->hw->mix_buf->size - live; |
1d14ffa9 FB |
1023 | |
1024 | #ifdef DEBUG_OUT | |
0c29b786 | 1025 | dolog ("%s: get_free live %zu dead %zu ret %" PRId64 "\n", |
c0fe3827 | 1026 | SW_NAME (sw), |
2b9cce8c KZ |
1027 | live, dead, (((int64_t) dead << 32) / sw->ratio) * |
1028 | sw->info.bytes_per_frame); | |
85571bc7 | 1029 | #endif |
1d14ffa9 | 1030 | |
2b9cce8c | 1031 | return (((int64_t) dead << 32) / sw->ratio) * sw->info.bytes_per_frame; |
1d14ffa9 FB |
1032 | } |
1033 | ||
7520462b KZ |
1034 | static void audio_capture_mix_and_clear(HWVoiceOut *hw, size_t rpos, |
1035 | size_t samples) | |
8ead62cf | 1036 | { |
7520462b | 1037 | size_t n; |
8ead62cf FB |
1038 | |
1039 | if (hw->enabled) { | |
ec36b695 | 1040 | SWVoiceCap *sc; |
8ead62cf | 1041 | |
ec36b695 FB |
1042 | for (sc = hw->cap_head.lh_first; sc; sc = sc->entries.le_next) { |
1043 | SWVoiceOut *sw = &sc->sw; | |
8ead62cf FB |
1044 | int rpos2 = rpos; |
1045 | ||
1046 | n = samples; | |
1047 | while (n) { | |
dc88e38f | 1048 | size_t till_end_of_hw = hw->mix_buf->size - rpos2; |
7520462b | 1049 | size_t to_write = MIN(till_end_of_hw, n); |
2b9cce8c | 1050 | size_t bytes = to_write * hw->info.bytes_per_frame; |
7520462b | 1051 | size_t written; |
8ead62cf | 1052 | |
dc88e38f | 1053 | sw->buf = hw->mix_buf->samples + rpos2; |
8ead62cf FB |
1054 | written = audio_pcm_sw_write (sw, NULL, bytes); |
1055 | if (written - bytes) { | |
7520462b KZ |
1056 | dolog("Could not mix %zu bytes into a capture " |
1057 | "buffer, mixed %zu\n", | |
1058 | bytes, written); | |
8ead62cf FB |
1059 | break; |
1060 | } | |
1061 | n -= to_write; | |
dc88e38f | 1062 | rpos2 = (rpos2 + to_write) % hw->mix_buf->size; |
8ead62cf FB |
1063 | } |
1064 | } | |
1065 | } | |
1066 | ||
dc88e38f KZ |
1067 | n = MIN(samples, hw->mix_buf->size - rpos); |
1068 | mixeng_clear(hw->mix_buf->samples + rpos, n); | |
1069 | mixeng_clear(hw->mix_buf->samples, samples - n); | |
8ead62cf FB |
1070 | } |
1071 | ||
ff095e52 KZ |
1072 | static size_t audio_pcm_hw_run_out(HWVoiceOut *hw, size_t live) |
1073 | { | |
1074 | size_t clipped = 0; | |
1075 | ||
1076 | while (live) { | |
aec6d0dc VR |
1077 | size_t size = live * hw->info.bytes_per_frame; |
1078 | size_t decr, proc; | |
ff095e52 | 1079 | void *buf = hw->pcm_ops->get_buffer_out(hw, &size); |
4c3356f9 VR |
1080 | |
1081 | if (size == 0) { | |
fb35c2ce | 1082 | break; |
ff095e52 KZ |
1083 | } |
1084 | ||
2b9cce8c | 1085 | decr = MIN(size / hw->info.bytes_per_frame, live); |
4c3356f9 VR |
1086 | if (buf) { |
1087 | audio_pcm_hw_clip_out(hw, buf, decr); | |
1088 | } | |
2b9cce8c KZ |
1089 | proc = hw->pcm_ops->put_buffer_out(hw, buf, |
1090 | decr * hw->info.bytes_per_frame) / | |
1091 | hw->info.bytes_per_frame; | |
ff095e52 KZ |
1092 | |
1093 | live -= proc; | |
1094 | clipped += proc; | |
dc88e38f | 1095 | hw->mix_buf->pos = (hw->mix_buf->pos + proc) % hw->mix_buf->size; |
ff095e52 KZ |
1096 | |
1097 | if (proc == 0 || proc < decr) { | |
1098 | break; | |
1099 | } | |
1100 | } | |
1101 | ||
fdc8c5f4 VR |
1102 | if (hw->pcm_ops->run_buffer_out) { |
1103 | hw->pcm_ops->run_buffer_out(hw); | |
1104 | } | |
1105 | ||
ff095e52 KZ |
1106 | return clipped; |
1107 | } | |
1108 | ||
c0fe3827 | 1109 | static void audio_run_out (AudioState *s) |
1d14ffa9 FB |
1110 | { |
1111 | HWVoiceOut *hw = NULL; | |
1112 | SWVoiceOut *sw; | |
1113 | ||
1930616b KZ |
1114 | if (!audio_get_pdo_out(s->dev)->mixing_engine) { |
1115 | while ((hw = audio_pcm_hw_find_any_enabled_out(s, hw))) { | |
1116 | /* there is exactly 1 sw for each hw with no mixeng */ | |
1117 | sw = hw->sw_head.lh_first; | |
1118 | ||
1119 | if (hw->pending_disable) { | |
1120 | hw->enabled = 0; | |
1121 | hw->pending_disable = 0; | |
1122 | if (hw->pcm_ops->enable_out) { | |
1123 | hw->pcm_ops->enable_out(hw, false); | |
1124 | } | |
1125 | } | |
1126 | ||
1127 | if (sw->active) { | |
1128 | sw->callback.fn(sw->callback.opaque, INT_MAX); | |
1129 | } | |
1130 | } | |
1131 | return; | |
1132 | } | |
1133 | ||
526fb058 | 1134 | while ((hw = audio_pcm_hw_find_any_enabled_out(s, hw))) { |
7520462b | 1135 | size_t played, live, prev_rpos, free; |
6fb0cd50 | 1136 | int nb_live; |
1d14ffa9 | 1137 | |
bdff253c | 1138 | live = audio_pcm_hw_get_live_out (hw, &nb_live); |
1d14ffa9 FB |
1139 | if (!nb_live) { |
1140 | live = 0; | |
1141 | } | |
c0fe3827 | 1142 | |
dc88e38f KZ |
1143 | if (audio_bug(__func__, live > hw->mix_buf->size)) { |
1144 | dolog("live=%zu hw->mix_buf->size=%zu\n", live, hw->mix_buf->size); | |
c0fe3827 | 1145 | continue; |
1d14ffa9 FB |
1146 | } |
1147 | ||
1148 | if (hw->pending_disable && !nb_live) { | |
ec36b695 | 1149 | SWVoiceCap *sc; |
1d14ffa9 FB |
1150 | #ifdef DEBUG_OUT |
1151 | dolog ("Disabling voice\n"); | |
85571bc7 | 1152 | #endif |
1d14ffa9 FB |
1153 | hw->enabled = 0; |
1154 | hw->pending_disable = 0; | |
571a8c52 KZ |
1155 | if (hw->pcm_ops->enable_out) { |
1156 | hw->pcm_ops->enable_out(hw, false); | |
1157 | } | |
ec36b695 FB |
1158 | for (sc = hw->cap_head.lh_first; sc; sc = sc->entries.le_next) { |
1159 | sc->sw.active = 0; | |
1160 | audio_recalc_and_notify_capture (sc->cap); | |
8ead62cf | 1161 | } |
1d14ffa9 FB |
1162 | continue; |
1163 | } | |
1164 | ||
1165 | if (!live) { | |
1166 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { | |
1167 | if (sw->active) { | |
1168 | free = audio_get_free (sw); | |
1169 | if (free > 0) { | |
1170 | sw->callback.fn (sw->callback.opaque, free); | |
1171 | } | |
1172 | } | |
1173 | } | |
a8a98cfd VR |
1174 | if (hw->pcm_ops->run_buffer_out) { |
1175 | hw->pcm_ops->run_buffer_out(hw); | |
1176 | } | |
1d14ffa9 FB |
1177 | continue; |
1178 | } | |
1179 | ||
dc88e38f | 1180 | prev_rpos = hw->mix_buf->pos; |
3f5bbfc2 | 1181 | played = audio_pcm_hw_run_out(hw, live); |
3d4d16f4 | 1182 | replay_audio_out(&played); |
dc88e38f KZ |
1183 | if (audio_bug(__func__, hw->mix_buf->pos >= hw->mix_buf->size)) { |
1184 | dolog("hw->mix_buf->pos=%zu hw->mix_buf->size=%zu played=%zu\n", | |
1185 | hw->mix_buf->pos, hw->mix_buf->size, played); | |
1186 | hw->mix_buf->pos = 0; | |
1d14ffa9 FB |
1187 | } |
1188 | ||
1189 | #ifdef DEBUG_OUT | |
7520462b | 1190 | dolog("played=%zu\n", played); |
85571bc7 | 1191 | #endif |
1d14ffa9 FB |
1192 | |
1193 | if (played) { | |
1194 | hw->ts_helper += played; | |
8ead62cf | 1195 | audio_capture_mix_and_clear (hw, prev_rpos, played); |
1d14ffa9 FB |
1196 | } |
1197 | ||
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; | |
1d14ffa9 FB |
1213 | } |
1214 | ||
1215 | if (sw->active) { | |
1216 | free = audio_get_free (sw); | |
1217 | if (free > 0) { | |
1218 | sw->callback.fn (sw->callback.opaque, free); | |
1219 | } | |
1220 | } | |
1221 | } | |
1222 | } | |
1223 | } | |
1224 | ||
ff095e52 KZ |
1225 | static size_t audio_pcm_hw_run_in(HWVoiceIn *hw, size_t samples) |
1226 | { | |
1227 | size_t conv = 0; | |
dc88e38f | 1228 | STSampleBuffer *conv_buf = hw->conv_buf; |
ff095e52 | 1229 | |
a2893c83 VR |
1230 | if (hw->pcm_ops->run_buffer_in) { |
1231 | hw->pcm_ops->run_buffer_in(hw); | |
1232 | } | |
1233 | ||
ff095e52 KZ |
1234 | while (samples) { |
1235 | size_t proc; | |
2b9cce8c | 1236 | size_t size = samples * hw->info.bytes_per_frame; |
ff095e52 KZ |
1237 | void *buf = hw->pcm_ops->get_buffer_in(hw, &size); |
1238 | ||
2b9cce8c | 1239 | assert(size % hw->info.bytes_per_frame == 0); |
ff095e52 | 1240 | if (size == 0) { |
ff095e52 KZ |
1241 | break; |
1242 | } | |
1243 | ||
2b9cce8c | 1244 | proc = MIN(size / hw->info.bytes_per_frame, |
dc88e38f | 1245 | conv_buf->size - conv_buf->pos); |
ff095e52 | 1246 | |
dc88e38f KZ |
1247 | hw->conv(conv_buf->samples + conv_buf->pos, buf, proc); |
1248 | conv_buf->pos = (conv_buf->pos + proc) % conv_buf->size; | |
ff095e52 KZ |
1249 | |
1250 | samples -= proc; | |
1251 | conv += proc; | |
2b9cce8c | 1252 | hw->pcm_ops->put_buffer_in(hw, buf, proc * hw->info.bytes_per_frame); |
ff095e52 KZ |
1253 | } |
1254 | ||
1255 | return conv; | |
1256 | } | |
1257 | ||
c0fe3827 | 1258 | static void audio_run_in (AudioState *s) |
1d14ffa9 FB |
1259 | { |
1260 | HWVoiceIn *hw = NULL; | |
1261 | ||
1930616b KZ |
1262 | if (!audio_get_pdo_in(s->dev)->mixing_engine) { |
1263 | while ((hw = audio_pcm_hw_find_any_enabled_in(s, hw))) { | |
1264 | /* there is exactly 1 sw for each hw with no mixeng */ | |
1265 | SWVoiceIn *sw = hw->sw_head.lh_first; | |
1266 | if (sw->active) { | |
1267 | sw->callback.fn(sw->callback.opaque, INT_MAX); | |
1268 | } | |
1269 | } | |
1270 | return; | |
1271 | } | |
1272 | ||
526fb058 | 1273 | while ((hw = audio_pcm_hw_find_any_enabled_in(s, hw))) { |
1d14ffa9 | 1274 | SWVoiceIn *sw; |
7520462b | 1275 | size_t captured = 0, min; |
1d14ffa9 | 1276 | |
3d4d16f4 | 1277 | if (replay_mode != REPLAY_MODE_PLAY) { |
3f5bbfc2 | 1278 | captured = audio_pcm_hw_run_in( |
dc88e38f | 1279 | hw, hw->conv_buf->size - audio_pcm_hw_get_live_in(hw)); |
3d4d16f4 | 1280 | } |
dc88e38f KZ |
1281 | replay_audio_in(&captured, hw->conv_buf->samples, &hw->conv_buf->pos, |
1282 | hw->conv_buf->size); | |
1d14ffa9 FB |
1283 | |
1284 | min = audio_pcm_hw_find_min_in (hw); | |
1285 | hw->total_samples_captured += captured - min; | |
1286 | hw->ts_helper += captured; | |
1287 | ||
1288 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { | |
1289 | sw->total_hw_samples_acquired -= min; | |
1290 | ||
1291 | if (sw->active) { | |
7520462b | 1292 | size_t avail; |
1d14ffa9 FB |
1293 | |
1294 | avail = audio_get_avail (sw); | |
1295 | if (avail > 0) { | |
1296 | sw->callback.fn (sw->callback.opaque, avail); | |
1297 | } | |
1298 | } | |
1299 | } | |
1300 | } | |
1301 | } | |
1302 | ||
8ead62cf FB |
1303 | static void audio_run_capture (AudioState *s) |
1304 | { | |
1305 | CaptureVoiceOut *cap; | |
1306 | ||
1307 | for (cap = s->cap_head.lh_first; cap; cap = cap->entries.le_next) { | |
7520462b | 1308 | size_t live, rpos, captured; |
8ead62cf FB |
1309 | HWVoiceOut *hw = &cap->hw; |
1310 | SWVoiceOut *sw; | |
1311 | ||
bdff253c | 1312 | captured = live = audio_pcm_hw_get_live_out (hw, NULL); |
dc88e38f | 1313 | rpos = hw->mix_buf->pos; |
8ead62cf | 1314 | while (live) { |
dc88e38f | 1315 | size_t left = hw->mix_buf->size - rpos; |
7520462b | 1316 | size_t to_capture = MIN(live, left); |
1ea879e5 | 1317 | struct st_sample *src; |
8ead62cf FB |
1318 | struct capture_callback *cb; |
1319 | ||
dc88e38f | 1320 | src = hw->mix_buf->samples + rpos; |
8ead62cf FB |
1321 | hw->clip (cap->buf, src, to_capture); |
1322 | mixeng_clear (src, to_capture); | |
1323 | ||
1324 | for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) { | |
1325 | cb->ops.capture (cb->opaque, cap->buf, | |
2b9cce8c | 1326 | to_capture * hw->info.bytes_per_frame); |
8ead62cf | 1327 | } |
dc88e38f | 1328 | rpos = (rpos + to_capture) % hw->mix_buf->size; |
8ead62cf FB |
1329 | live -= to_capture; |
1330 | } | |
dc88e38f | 1331 | hw->mix_buf->pos = rpos; |
8ead62cf FB |
1332 | |
1333 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { | |
1334 | if (!sw->active && sw->empty) { | |
1335 | continue; | |
1336 | } | |
1337 | ||
470bcabd | 1338 | if (audio_bug(__func__, captured > sw->total_hw_samples_mixed)) { |
7520462b KZ |
1339 | dolog("captured=%zu sw->total_hw_samples_mixed=%zu\n", |
1340 | captured, sw->total_hw_samples_mixed); | |
8ead62cf FB |
1341 | captured = sw->total_hw_samples_mixed; |
1342 | } | |
1343 | ||
1344 | sw->total_hw_samples_mixed -= captured; | |
1345 | sw->empty = sw->total_hw_samples_mixed == 0; | |
1346 | } | |
1347 | } | |
1348 | } | |
1349 | ||
18e2c177 | 1350 | void audio_run(AudioState *s, const char *msg) |
571ec3d6 | 1351 | { |
18e2c177 KZ |
1352 | audio_run_out(s); |
1353 | audio_run_in(s); | |
1354 | audio_run_capture(s); | |
571ec3d6 | 1355 | |
713a98f8 | 1356 | #ifdef DEBUG_POLL |
1357 | { | |
1358 | static double prevtime; | |
1359 | double currtime; | |
1360 | struct timeval tv; | |
571ec3d6 | 1361 | |
713a98f8 | 1362 | if (gettimeofday (&tv, NULL)) { |
1363 | perror ("audio_run: gettimeofday"); | |
1364 | return; | |
1365 | } | |
1366 | ||
1367 | currtime = tv.tv_sec + tv.tv_usec * 1e-6; | |
1368 | dolog ("Elapsed since last %s: %f\n", msg, currtime - prevtime); | |
1369 | prevtime = currtime; | |
1370 | } | |
1371 | #endif | |
571ec3d6 FB |
1372 | } |
1373 | ||
a2893c83 | 1374 | void audio_generic_run_buffer_in(HWVoiceIn *hw) |
ff095e52 | 1375 | { |
ff095e52 | 1376 | if (unlikely(!hw->buf_emul)) { |
1d8549ad VR |
1377 | hw->size_emul = hw->samples * hw->info.bytes_per_frame; |
1378 | hw->buf_emul = g_malloc(hw->size_emul); | |
ff095e52 KZ |
1379 | hw->pos_emul = hw->pending_emul = 0; |
1380 | } | |
1381 | ||
1382 | while (hw->pending_emul < hw->size_emul) { | |
1383 | size_t read_len = MIN(hw->size_emul - hw->pos_emul, | |
1384 | hw->size_emul - hw->pending_emul); | |
1385 | size_t read = hw->pcm_ops->read(hw, hw->buf_emul + hw->pos_emul, | |
1386 | read_len); | |
1387 | hw->pending_emul += read; | |
7ffc90f3 | 1388 | hw->pos_emul = (hw->pos_emul + read) % hw->size_emul; |
ff095e52 KZ |
1389 | if (read < read_len) { |
1390 | break; | |
1391 | } | |
1392 | } | |
a2893c83 VR |
1393 | } |
1394 | ||
1395 | void *audio_generic_get_buffer_in(HWVoiceIn *hw, size_t *size) | |
1396 | { | |
1397 | ssize_t start = (ssize_t)hw->pos_emul - hw->pending_emul; | |
ff095e52 | 1398 | |
ff095e52 KZ |
1399 | if (start < 0) { |
1400 | start += hw->size_emul; | |
1401 | } | |
1402 | assert(start >= 0 && start < hw->size_emul); | |
1403 | ||
599eac4e VR |
1404 | *size = MIN(*size, hw->pending_emul); |
1405 | *size = MIN(*size, hw->size_emul - start); | |
ff095e52 KZ |
1406 | return hw->buf_emul + start; |
1407 | } | |
1408 | ||
1409 | void audio_generic_put_buffer_in(HWVoiceIn *hw, void *buf, size_t size) | |
1410 | { | |
1411 | assert(size <= hw->pending_emul); | |
1412 | hw->pending_emul -= size; | |
1413 | } | |
1414 | ||
fdc8c5f4 VR |
1415 | void audio_generic_run_buffer_out(HWVoiceOut *hw) |
1416 | { | |
1417 | while (hw->pending_emul) { | |
1418 | size_t write_len, written; | |
1419 | ssize_t start = ((ssize_t) hw->pos_emul) - hw->pending_emul; | |
1420 | ||
1421 | if (start < 0) { | |
1422 | start += hw->size_emul; | |
1423 | } | |
1424 | assert(start >= 0 && start < hw->size_emul); | |
1425 | ||
1426 | write_len = MIN(hw->pending_emul, hw->size_emul - start); | |
1427 | ||
1428 | written = hw->pcm_ops->write(hw, hw->buf_emul + start, write_len); | |
1429 | hw->pending_emul -= written; | |
1430 | ||
1431 | if (written < write_len) { | |
1432 | break; | |
1433 | } | |
1434 | } | |
1435 | } | |
1436 | ||
ff095e52 KZ |
1437 | void *audio_generic_get_buffer_out(HWVoiceOut *hw, size_t *size) |
1438 | { | |
1439 | if (unlikely(!hw->buf_emul)) { | |
1d8549ad VR |
1440 | hw->size_emul = hw->samples * hw->info.bytes_per_frame; |
1441 | hw->buf_emul = g_malloc(hw->size_emul); | |
ff095e52 KZ |
1442 | hw->pos_emul = hw->pending_emul = 0; |
1443 | } | |
1444 | ||
1445 | *size = MIN(hw->size_emul - hw->pending_emul, | |
1446 | hw->size_emul - hw->pos_emul); | |
1447 | return hw->buf_emul + hw->pos_emul; | |
1448 | } | |
1449 | ||
fdc8c5f4 | 1450 | size_t audio_generic_put_buffer_out(HWVoiceOut *hw, void *buf, size_t size) |
ff095e52 KZ |
1451 | { |
1452 | assert(buf == hw->buf_emul + hw->pos_emul && | |
1453 | size + hw->pending_emul <= hw->size_emul); | |
1454 | ||
1455 | hw->pending_emul += size; | |
1456 | hw->pos_emul = (hw->pos_emul + size) % hw->size_emul; | |
1457 | ||
1458 | return size; | |
1459 | } | |
1460 | ||
ff095e52 KZ |
1461 | size_t audio_generic_write(HWVoiceOut *hw, void *buf, size_t size) |
1462 | { | |
2d882307 VR |
1463 | size_t total = 0; |
1464 | ||
1465 | while (total < size) { | |
1466 | size_t dst_size = size - total; | |
1467 | size_t copy_size, proc; | |
1468 | void *dst = hw->pcm_ops->get_buffer_out(hw, &dst_size); | |
ff095e52 | 1469 | |
2d882307 VR |
1470 | if (dst_size == 0) { |
1471 | break; | |
1472 | } | |
1473 | ||
1474 | copy_size = MIN(size - total, dst_size); | |
1475 | if (dst) { | |
1476 | memcpy(dst, (char *)buf + total, copy_size); | |
1477 | } | |
1478 | proc = hw->pcm_ops->put_buffer_out(hw, dst, copy_size); | |
1479 | total += proc; | |
1480 | ||
1481 | if (proc == 0 || proc < copy_size) { | |
1482 | break; | |
1483 | } | |
1484 | } | |
1485 | ||
1486 | if (hw->pcm_ops->run_buffer_out) { | |
1487 | hw->pcm_ops->run_buffer_out(hw); | |
1488 | } | |
1489 | ||
1490 | return total; | |
ff095e52 KZ |
1491 | } |
1492 | ||
1493 | size_t audio_generic_read(HWVoiceIn *hw, void *buf, size_t size) | |
1494 | { | |
b9896dc5 | 1495 | size_t total = 0; |
ff095e52 | 1496 | |
a2893c83 VR |
1497 | if (hw->pcm_ops->run_buffer_in) { |
1498 | hw->pcm_ops->run_buffer_in(hw); | |
1499 | } | |
1500 | ||
b9896dc5 VR |
1501 | while (total < size) { |
1502 | size_t src_size = size - total; | |
1503 | void *src = hw->pcm_ops->get_buffer_in(hw, &src_size); | |
ff095e52 | 1504 | |
b9896dc5 | 1505 | if (src_size == 0) { |
b9896dc5 VR |
1506 | break; |
1507 | } | |
1508 | ||
1509 | memcpy((char *)buf + total, src, src_size); | |
1510 | hw->pcm_ops->put_buffer_in(hw, src, src_size); | |
1511 | total += src_size; | |
1512 | } | |
1513 | ||
1514 | return total; | |
8d1439b6 | 1515 | } |
ff095e52 | 1516 | |
71830221 KZ |
1517 | static int audio_driver_init(AudioState *s, struct audio_driver *drv, |
1518 | bool msg, Audiodev *dev) | |
85571bc7 | 1519 | { |
71830221 | 1520 | s->drv_opaque = drv->init(dev); |
1d14ffa9 | 1521 | |
c0fe3827 | 1522 | if (s->drv_opaque) { |
ff095e52 KZ |
1523 | if (!drv->pcm_ops->get_buffer_in) { |
1524 | drv->pcm_ops->get_buffer_in = audio_generic_get_buffer_in; | |
1525 | drv->pcm_ops->put_buffer_in = audio_generic_put_buffer_in; | |
1526 | } | |
1527 | if (!drv->pcm_ops->get_buffer_out) { | |
1528 | drv->pcm_ops->get_buffer_out = audio_generic_get_buffer_out; | |
1529 | drv->pcm_ops->put_buffer_out = audio_generic_put_buffer_out; | |
1530 | } | |
1531 | ||
526fb058 KZ |
1532 | audio_init_nb_voices_out(s, drv); |
1533 | audio_init_nb_voices_in(s, drv); | |
c0fe3827 | 1534 | s->drv = drv; |
1d14ffa9 | 1535 | return 0; |
6c6886bd | 1536 | } else { |
fb37ce92 GH |
1537 | if (msg) { |
1538 | dolog("Could not init `%s' audio driver\n", drv->name); | |
1539 | } | |
1d14ffa9 | 1540 | return -1; |
85571bc7 FB |
1541 | } |
1542 | } | |
1543 | ||
538f0497 | 1544 | static void audio_vm_change_state_handler (void *opaque, bool running, |
1dfb4dd9 | 1545 | RunState state) |
85571bc7 | 1546 | { |
c0fe3827 | 1547 | AudioState *s = opaque; |
1d14ffa9 FB |
1548 | HWVoiceOut *hwo = NULL; |
1549 | HWVoiceIn *hwi = NULL; | |
1d14ffa9 | 1550 | |
978dd635 | 1551 | s->vm_running = running; |
526fb058 | 1552 | while ((hwo = audio_pcm_hw_find_any_enabled_out(s, hwo))) { |
571a8c52 KZ |
1553 | if (hwo->pcm_ops->enable_out) { |
1554 | hwo->pcm_ops->enable_out(hwo, running); | |
1555 | } | |
1d14ffa9 | 1556 | } |
85571bc7 | 1557 | |
526fb058 | 1558 | while ((hwi = audio_pcm_hw_find_any_enabled_in(s, hwi))) { |
571a8c52 KZ |
1559 | if (hwi->pcm_ops->enable_in) { |
1560 | hwi->pcm_ops->enable_in(hwi, running); | |
1561 | } | |
85571bc7 | 1562 | } |
39deb1e4 | 1563 | audio_reset_timer (s); |
85571bc7 FB |
1564 | } |
1565 | ||
ecd97e95 | 1566 | static void free_audio_state(AudioState *s) |
85571bc7 | 1567 | { |
a384c205 MAL |
1568 | HWVoiceOut *hwo, *hwon; |
1569 | HWVoiceIn *hwi, *hwin; | |
1d14ffa9 | 1570 | |
526fb058 | 1571 | QLIST_FOREACH_SAFE(hwo, &s->hw_head_out, entries, hwon) { |
ec36b695 | 1572 | SWVoiceCap *sc; |
8ead62cf | 1573 | |
571a8c52 KZ |
1574 | if (hwo->enabled && hwo->pcm_ops->enable_out) { |
1575 | hwo->pcm_ops->enable_out(hwo, false); | |
aeb29b64 | 1576 | } |
1d14ffa9 | 1577 | hwo->pcm_ops->fini_out (hwo); |
8ead62cf | 1578 | |
ec36b695 FB |
1579 | for (sc = hwo->cap_head.lh_first; sc; sc = sc->entries.le_next) { |
1580 | CaptureVoiceOut *cap = sc->cap; | |
1581 | struct capture_callback *cb; | |
1582 | ||
1583 | for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) { | |
1584 | cb->ops.destroy (cb->opaque); | |
1585 | } | |
8ead62cf | 1586 | } |
a384c205 | 1587 | QLIST_REMOVE(hwo, entries); |
1d14ffa9 | 1588 | } |
85571bc7 | 1589 | |
526fb058 | 1590 | QLIST_FOREACH_SAFE(hwi, &s->hw_head_in, entries, hwin) { |
571a8c52 KZ |
1591 | if (hwi->enabled && hwi->pcm_ops->enable_in) { |
1592 | hwi->pcm_ops->enable_in(hwi, false); | |
aeb29b64 | 1593 | } |
1d14ffa9 | 1594 | hwi->pcm_ops->fini_in (hwi); |
a384c205 | 1595 | QLIST_REMOVE(hwi, entries); |
85571bc7 | 1596 | } |
c0fe3827 FB |
1597 | |
1598 | if (s->drv) { | |
1599 | s->drv->fini (s->drv_opaque); | |
a384c205 | 1600 | s->drv = NULL; |
c0fe3827 | 1601 | } |
71830221 KZ |
1602 | |
1603 | if (s->dev) { | |
1604 | qapi_free_Audiodev(s->dev); | |
1605 | s->dev = NULL; | |
1606 | } | |
e76ba19a KZ |
1607 | |
1608 | if (s->ts) { | |
1609 | timer_free(s->ts); | |
1610 | s->ts = NULL; | |
1611 | } | |
1612 | ||
ecd97e95 KZ |
1613 | g_free(s); |
1614 | } | |
1615 | ||
1616 | void audio_cleanup(void) | |
1617 | { | |
ecd97e95 KZ |
1618 | while (!QTAILQ_EMPTY(&audio_states)) { |
1619 | AudioState *s = QTAILQ_FIRST(&audio_states); | |
1620 | QTAILQ_REMOVE(&audio_states, s, list); | |
1621 | free_audio_state(s); | |
1622 | } | |
85571bc7 FB |
1623 | } |
1624 | ||
da77adba DDAG |
1625 | static bool vmstate_audio_needed(void *opaque) |
1626 | { | |
1627 | /* | |
1628 | * Never needed, this vmstate only exists in case | |
1629 | * an old qemu sends it to us. | |
1630 | */ | |
1631 | return false; | |
1632 | } | |
1633 | ||
d959fce9 JQ |
1634 | static const VMStateDescription vmstate_audio = { |
1635 | .name = "audio", | |
1636 | .version_id = 1, | |
1637 | .minimum_version_id = 1, | |
da77adba | 1638 | .needed = vmstate_audio_needed, |
35d08458 | 1639 | .fields = (VMStateField[]) { |
d959fce9 | 1640 | VMSTATE_END_OF_LIST() |
1d14ffa9 | 1641 | } |
d959fce9 | 1642 | }; |
85571bc7 | 1643 | |
71830221 KZ |
1644 | static void audio_validate_opts(Audiodev *dev, Error **errp); |
1645 | ||
1646 | static AudiodevListEntry *audiodev_find( | |
1647 | AudiodevListHead *head, const char *drvname) | |
1648 | { | |
1649 | AudiodevListEntry *e; | |
1650 | QSIMPLEQ_FOREACH(e, head, next) { | |
1651 | if (strcmp(AudiodevDriver_str(e->dev->driver), drvname) == 0) { | |
1652 | return e; | |
1653 | } | |
1654 | } | |
1655 | ||
1656 | return NULL; | |
1657 | } | |
1658 | ||
ecd97e95 KZ |
1659 | /* |
1660 | * if we have dev, this function was called because of an -audiodev argument => | |
1661 | * initialize a new state with it | |
1662 | * if dev == NULL => legacy implicit initialization, return the already created | |
1663 | * state or create a new one | |
1664 | */ | |
af2041ed | 1665 | static AudioState *audio_init(Audiodev *dev, const char *name) |
85571bc7 | 1666 | { |
ecd97e95 | 1667 | static bool atexit_registered; |
1d14ffa9 | 1668 | size_t i; |
85571bc7 | 1669 | int done = 0; |
71830221 | 1670 | const char *drvname = NULL; |
713a98f8 | 1671 | VMChangeStateEntry *e; |
ecd97e95 | 1672 | AudioState *s; |
d3893a39 | 1673 | struct audio_driver *driver; |
71830221 KZ |
1674 | /* silence gcc warning about uninitialized variable */ |
1675 | AudiodevListHead head = QSIMPLEQ_HEAD_INITIALIZER(head); | |
1d14ffa9 | 1676 | |
f0c4555e GH |
1677 | if (using_spice) { |
1678 | /* | |
1679 | * When using spice allow the spice audio driver being picked | |
1680 | * as default. | |
1681 | * | |
1682 | * Temporary hack. Using audio devices without explicit | |
1683 | * audiodev= property is already deprecated. Same goes for | |
1684 | * the -soundhw switch. Once this support gets finally | |
1685 | * removed we can also drop the concept of a default audio | |
1686 | * backend and this can go away. | |
1687 | */ | |
1688 | driver = audio_driver_lookup("spice"); | |
06c8c375 GH |
1689 | if (driver) { |
1690 | driver->can_be_default = 1; | |
1691 | } | |
f0c4555e GH |
1692 | } |
1693 | ||
71830221 KZ |
1694 | if (dev) { |
1695 | /* -audiodev option */ | |
af2041ed | 1696 | legacy_config = false; |
71830221 | 1697 | drvname = AudiodevDriver_str(dev->driver); |
ecd97e95 | 1698 | } else if (!QTAILQ_EMPTY(&audio_states)) { |
af2041ed | 1699 | if (!legacy_config) { |
4b3b7793 KZ |
1700 | dolog("Device %s: audiodev default parameter is deprecated, please " |
1701 | "specify audiodev=%s\n", name, | |
1702 | QTAILQ_FIRST(&audio_states)->dev->id); | |
af2041ed | 1703 | } |
ecd97e95 | 1704 | return QTAILQ_FIRST(&audio_states); |
71830221 KZ |
1705 | } else { |
1706 | /* legacy implicit initialization */ | |
1707 | head = audio_handle_legacy_opts(); | |
1708 | /* | |
1709 | * In case of legacy initialization, all Audiodevs in the list will have | |
e3a6e0da | 1710 | * the same configuration (except the driver), so it doesn't matter which |
71830221 KZ |
1711 | * one we chose. We need an Audiodev to set up AudioState before we can |
1712 | * init a driver. Also note that dev at this point is still in the | |
1713 | * list. | |
1714 | */ | |
1715 | dev = QSIMPLEQ_FIRST(&head)->dev; | |
1716 | audio_validate_opts(dev, &error_abort); | |
1717 | } | |
ecd97e95 KZ |
1718 | |
1719 | s = g_malloc0(sizeof(AudioState)); | |
71830221 KZ |
1720 | s->dev = dev; |
1721 | ||
72cf2d4f BS |
1722 | QLIST_INIT (&s->hw_head_out); |
1723 | QLIST_INIT (&s->hw_head_in); | |
1724 | QLIST_INIT (&s->cap_head); | |
ecd97e95 KZ |
1725 | if (!atexit_registered) { |
1726 | atexit(audio_cleanup); | |
1727 | atexit_registered = true; | |
1728 | } | |
1729 | QTAILQ_INSERT_TAIL(&audio_states, s, list); | |
571ec3d6 | 1730 | |
bc72ad67 | 1731 | s->ts = timer_new_ns(QEMU_CLOCK_VIRTUAL, audio_timer, s); |
571ec3d6 | 1732 | |
71830221 KZ |
1733 | s->nb_hw_voices_out = audio_get_pdo_out(dev)->voices; |
1734 | s->nb_hw_voices_in = audio_get_pdo_in(dev)->voices; | |
c0fe3827 | 1735 | |
1d14ffa9 | 1736 | if (s->nb_hw_voices_out <= 0) { |
571ec3d6 | 1737 | dolog ("Bogus number of playback voices %d, setting to 1\n", |
1d14ffa9 FB |
1738 | s->nb_hw_voices_out); |
1739 | s->nb_hw_voices_out = 1; | |
1740 | } | |
1741 | ||
1742 | if (s->nb_hw_voices_in <= 0) { | |
571ec3d6 | 1743 | dolog ("Bogus number of capture voices %d, setting to 0\n", |
1d14ffa9 | 1744 | s->nb_hw_voices_in); |
571ec3d6 | 1745 | s->nb_hw_voices_in = 0; |
1d14ffa9 | 1746 | } |
85571bc7 | 1747 | |
85571bc7 | 1748 | if (drvname) { |
d3893a39 GH |
1749 | driver = audio_driver_lookup(drvname); |
1750 | if (driver) { | |
71830221 | 1751 | done = !audio_driver_init(s, driver, true, dev); |
d3893a39 | 1752 | } else { |
85571bc7 FB |
1753 | dolog ("Unknown audio driver `%s'\n", drvname); |
1754 | } | |
71830221 KZ |
1755 | } else { |
1756 | for (i = 0; audio_prio_list[i]; i++) { | |
1757 | AudiodevListEntry *e = audiodev_find(&head, audio_prio_list[i]); | |
d3893a39 | 1758 | driver = audio_driver_lookup(audio_prio_list[i]); |
71830221 KZ |
1759 | |
1760 | if (e && driver) { | |
1761 | s->dev = dev = e->dev; | |
1762 | audio_validate_opts(dev, &error_abort); | |
1763 | done = !audio_driver_init(s, driver, false, dev); | |
1764 | if (done) { | |
1765 | e->dev = NULL; | |
1766 | break; | |
1767 | } | |
1d14ffa9 | 1768 | } |
85571bc7 FB |
1769 | } |
1770 | } | |
71830221 | 1771 | audio_free_audiodev_list(&head); |
85571bc7 | 1772 | |
85571bc7 | 1773 | if (!done) { |
d3893a39 | 1774 | driver = audio_driver_lookup("none"); |
71830221 | 1775 | done = !audio_driver_init(s, driver, false, dev); |
7e274652 MA |
1776 | assert(done); |
1777 | dolog("warning: Using timer based audio emulation\n"); | |
85571bc7 | 1778 | } |
1d14ffa9 | 1779 | |
71830221 KZ |
1780 | if (dev->timer_period <= 0) { |
1781 | s->period_ticks = 1; | |
0d9acba8 | 1782 | } else { |
40ad46d3 | 1783 | s->period_ticks = dev->timer_period * (int64_t)SCALE_US; |
1d14ffa9 | 1784 | } |
0d9acba8 PB |
1785 | |
1786 | e = qemu_add_vm_change_state_handler (audio_vm_change_state_handler, s); | |
1787 | if (!e) { | |
1788 | dolog ("warning: Could not register change state handler\n" | |
1789 | "(Audio can continue looping even after stopping the VM)\n"); | |
1d14ffa9 FB |
1790 | } |
1791 | ||
72cf2d4f | 1792 | QLIST_INIT (&s->card_head); |
0be71e32 | 1793 | vmstate_register (NULL, 0, &vmstate_audio, s); |
ecd97e95 | 1794 | return s; |
71830221 KZ |
1795 | } |
1796 | ||
1797 | void audio_free_audiodev_list(AudiodevListHead *head) | |
1798 | { | |
1799 | AudiodevListEntry *e; | |
1800 | while ((e = QSIMPLEQ_FIRST(head))) { | |
1801 | QSIMPLEQ_REMOVE_HEAD(head, next); | |
1802 | qapi_free_Audiodev(e->dev); | |
1803 | g_free(e); | |
1804 | } | |
85571bc7 | 1805 | } |
8ead62cf | 1806 | |
1a7dafce | 1807 | void AUD_register_card (const char *name, QEMUSoundCard *card) |
1808 | { | |
ecd97e95 | 1809 | if (!card->state) { |
af2041ed | 1810 | card->state = audio_init(NULL, name); |
ecd97e95 KZ |
1811 | } |
1812 | ||
7267c094 | 1813 | card->name = g_strdup (name); |
1a7dafce | 1814 | memset (&card->entries, 0, sizeof (card->entries)); |
ecd97e95 | 1815 | QLIST_INSERT_HEAD(&card->state->card_head, card, entries); |
1a7dafce | 1816 | } |
1817 | ||
1818 | void AUD_remove_card (QEMUSoundCard *card) | |
1819 | { | |
72cf2d4f | 1820 | QLIST_REMOVE (card, entries); |
7267c094 | 1821 | g_free (card->name); |
1a7dafce | 1822 | } |
1823 | ||
1824 | ||
ecd97e95 KZ |
1825 | CaptureVoiceOut *AUD_add_capture( |
1826 | AudioState *s, | |
1ea879e5 | 1827 | struct audsettings *as, |
8ead62cf FB |
1828 | struct audio_capture_ops *ops, |
1829 | void *cb_opaque | |
1830 | ) | |
1831 | { | |
1832 | CaptureVoiceOut *cap; | |
1833 | struct capture_callback *cb; | |
1834 | ||
ecd97e95 | 1835 | if (!s) { |
af2041ed | 1836 | if (!legacy_config) { |
4b3b7793 | 1837 | dolog("Capturing without setting an audiodev is deprecated\n"); |
af2041ed KZ |
1838 | } |
1839 | s = audio_init(NULL, NULL); | |
ecd97e95 KZ |
1840 | } |
1841 | ||
1930616b KZ |
1842 | if (!audio_get_pdo_out(s->dev)->mixing_engine) { |
1843 | dolog("Can't capture with mixeng disabled\n"); | |
1844 | return NULL; | |
1845 | } | |
1846 | ||
ec36b695 | 1847 | if (audio_validate_settings (as)) { |
8ead62cf FB |
1848 | dolog ("Invalid settings were passed when trying to add capture\n"); |
1849 | audio_print_settings (as); | |
e8d85444 | 1850 | return NULL; |
8ead62cf FB |
1851 | } |
1852 | ||
e8d85444 | 1853 | cb = g_malloc0(sizeof(*cb)); |
8ead62cf FB |
1854 | cb->ops = *ops; |
1855 | cb->opaque = cb_opaque; | |
1856 | ||
526fb058 | 1857 | cap = audio_pcm_capture_find_specific(s, as); |
8ead62cf | 1858 | if (cap) { |
72cf2d4f | 1859 | QLIST_INSERT_HEAD (&cap->cb_head, cb, entries); |
ec36b695 | 1860 | return cap; |
6c6886bd | 1861 | } else { |
8ead62cf FB |
1862 | HWVoiceOut *hw; |
1863 | CaptureVoiceOut *cap; | |
1864 | ||
e8d85444 | 1865 | cap = g_malloc0(sizeof(*cap)); |
8ead62cf FB |
1866 | |
1867 | hw = &cap->hw; | |
526fb058 | 1868 | hw->s = s; |
72cf2d4f BS |
1869 | QLIST_INIT (&hw->sw_head); |
1870 | QLIST_INIT (&cap->cb_head); | |
8ead62cf FB |
1871 | |
1872 | /* XXX find a more elegant way */ | |
1873 | hw->samples = 4096 * 4; | |
dc88e38f | 1874 | audio_pcm_hw_alloc_resources_out(hw); |
8ead62cf | 1875 | |
d929eba5 | 1876 | audio_pcm_init_info (&hw->info, as); |
8ead62cf | 1877 | |
2b9cce8c | 1878 | cap->buf = g_malloc0_n(hw->mix_buf->size, hw->info.bytes_per_frame); |
8ead62cf | 1879 | |
ed2a4a79 KZ |
1880 | if (hw->info.is_float) { |
1881 | hw->clip = mixeng_clip_float[hw->info.nchannels == 2]; | |
1882 | } else { | |
1883 | hw->clip = mixeng_clip | |
1884 | [hw->info.nchannels == 2] | |
1885 | [hw->info.is_signed] | |
1886 | [hw->info.swap_endianness] | |
1887 | [audio_bits_to_index(hw->info.bits)]; | |
1888 | } | |
8ead62cf | 1889 | |
72cf2d4f BS |
1890 | QLIST_INSERT_HEAD (&s->cap_head, cap, entries); |
1891 | QLIST_INSERT_HEAD (&cap->cb_head, cb, entries); | |
8ead62cf | 1892 | |
526fb058 | 1893 | QLIST_FOREACH(hw, &s->hw_head_out, entries) { |
1a7dafce | 1894 | audio_attach_capture (hw); |
8ead62cf | 1895 | } |
ec36b695 | 1896 | return cap; |
ec36b695 FB |
1897 | } |
1898 | } | |
1899 | ||
1900 | void AUD_del_capture (CaptureVoiceOut *cap, void *cb_opaque) | |
1901 | { | |
1902 | struct capture_callback *cb; | |
1903 | ||
1904 | for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) { | |
1905 | if (cb->opaque == cb_opaque) { | |
1906 | cb->ops.destroy (cb_opaque); | |
72cf2d4f | 1907 | QLIST_REMOVE (cb, entries); |
7267c094 | 1908 | g_free (cb); |
ec36b695 FB |
1909 | |
1910 | if (!cap->cb_head.lh_first) { | |
1911 | SWVoiceOut *sw = cap->hw.sw_head.lh_first, *sw1; | |
a3c25997 | 1912 | |
ec36b695 | 1913 | while (sw) { |
a3c25997 | 1914 | SWVoiceCap *sc = (SWVoiceCap *) sw; |
ec36b695 FB |
1915 | #ifdef DEBUG_CAPTURE |
1916 | dolog ("freeing %s\n", sw->name); | |
1917 | #endif | |
a3c25997 | 1918 | |
ec36b695 FB |
1919 | sw1 = sw->entries.le_next; |
1920 | if (sw->rate) { | |
1921 | st_rate_stop (sw->rate); | |
1922 | sw->rate = NULL; | |
1923 | } | |
72cf2d4f BS |
1924 | QLIST_REMOVE (sw, entries); |
1925 | QLIST_REMOVE (sc, entries); | |
7267c094 | 1926 | g_free (sc); |
ec36b695 FB |
1927 | sw = sw1; |
1928 | } | |
72cf2d4f | 1929 | QLIST_REMOVE (cap, entries); |
3268a845 GH |
1930 | g_free (cap->hw.mix_buf); |
1931 | g_free (cap->buf); | |
7267c094 | 1932 | g_free (cap); |
ec36b695 FB |
1933 | } |
1934 | return; | |
1935 | } | |
8ead62cf FB |
1936 | } |
1937 | } | |
683efdcb AZ |
1938 | |
1939 | void AUD_set_volume_out (SWVoiceOut *sw, int mute, uint8_t lvol, uint8_t rvol) | |
cecc1e79 KZ |
1940 | { |
1941 | Volume vol = { .mute = mute, .channels = 2, .vol = { lvol, rvol } }; | |
1942 | audio_set_volume_out(sw, &vol); | |
1943 | } | |
1944 | ||
1945 | void audio_set_volume_out(SWVoiceOut *sw, Volume *vol) | |
683efdcb AZ |
1946 | { |
1947 | if (sw) { | |
6c95ab94 MAL |
1948 | HWVoiceOut *hw = sw->hw; |
1949 | ||
cecc1e79 KZ |
1950 | sw->vol.mute = vol->mute; |
1951 | sw->vol.l = nominal_volume.l * vol->vol[0] / 255; | |
1952 | sw->vol.r = nominal_volume.l * vol->vol[vol->channels > 1 ? 1 : 0] / | |
1953 | 255; | |
6c95ab94 | 1954 | |
571a8c52 | 1955 | if (hw->pcm_ops->volume_out) { |
cecc1e79 | 1956 | hw->pcm_ops->volume_out(hw, vol); |
6c95ab94 | 1957 | } |
683efdcb AZ |
1958 | } |
1959 | } | |
1960 | ||
1961 | void AUD_set_volume_in (SWVoiceIn *sw, int mute, uint8_t lvol, uint8_t rvol) | |
cecc1e79 KZ |
1962 | { |
1963 | Volume vol = { .mute = mute, .channels = 2, .vol = { lvol, rvol } }; | |
1964 | audio_set_volume_in(sw, &vol); | |
1965 | } | |
1966 | ||
1967 | void audio_set_volume_in(SWVoiceIn *sw, Volume *vol) | |
683efdcb AZ |
1968 | { |
1969 | if (sw) { | |
6c95ab94 MAL |
1970 | HWVoiceIn *hw = sw->hw; |
1971 | ||
cecc1e79 KZ |
1972 | sw->vol.mute = vol->mute; |
1973 | sw->vol.l = nominal_volume.l * vol->vol[0] / 255; | |
1974 | sw->vol.r = nominal_volume.r * vol->vol[vol->channels > 1 ? 1 : 0] / | |
1975 | 255; | |
6c95ab94 | 1976 | |
571a8c52 | 1977 | if (hw->pcm_ops->volume_in) { |
cecc1e79 | 1978 | hw->pcm_ops->volume_in(hw, vol); |
6c95ab94 | 1979 | } |
683efdcb AZ |
1980 | } |
1981 | } | |
71830221 KZ |
1982 | |
1983 | void audio_create_pdos(Audiodev *dev) | |
1984 | { | |
1985 | switch (dev->driver) { | |
1986 | #define CASE(DRIVER, driver, pdo_name) \ | |
1987 | case AUDIODEV_DRIVER_##DRIVER: \ | |
1988 | if (!dev->u.driver.has_in) { \ | |
1989 | dev->u.driver.in = g_malloc0( \ | |
1990 | sizeof(Audiodev##pdo_name##PerDirectionOptions)); \ | |
1991 | dev->u.driver.has_in = true; \ | |
1992 | } \ | |
1993 | if (!dev->u.driver.has_out) { \ | |
1994 | dev->u.driver.out = g_malloc0( \ | |
725662d6 | 1995 | sizeof(Audiodev##pdo_name##PerDirectionOptions)); \ |
71830221 KZ |
1996 | dev->u.driver.has_out = true; \ |
1997 | } \ | |
1998 | break | |
1999 | ||
2000 | CASE(NONE, none, ); | |
2001 | CASE(ALSA, alsa, Alsa); | |
2002 | CASE(COREAUDIO, coreaudio, Coreaudio); | |
739362d4 | 2003 | CASE(DBUS, dbus, ); |
71830221 | 2004 | CASE(DSOUND, dsound, ); |
2e445703 | 2005 | CASE(JACK, jack, Jack); |
71830221 KZ |
2006 | CASE(OSS, oss, Oss); |
2007 | CASE(PA, pa, Pa); | |
5a0926c2 | 2008 | CASE(SDL, sdl, Sdl); |
71830221 KZ |
2009 | CASE(SPICE, spice, ); |
2010 | CASE(WAV, wav, ); | |
2011 | ||
2012 | case AUDIODEV_DRIVER__MAX: | |
2013 | abort(); | |
2014 | }; | |
2015 | } | |
2016 | ||
2017 | static void audio_validate_per_direction_opts( | |
2018 | AudiodevPerDirectionOptions *pdo, Error **errp) | |
2019 | { | |
1930616b KZ |
2020 | if (!pdo->has_mixing_engine) { |
2021 | pdo->has_mixing_engine = true; | |
2022 | pdo->mixing_engine = true; | |
2023 | } | |
71830221 KZ |
2024 | if (!pdo->has_fixed_settings) { |
2025 | pdo->has_fixed_settings = true; | |
1930616b | 2026 | pdo->fixed_settings = pdo->mixing_engine; |
71830221 KZ |
2027 | } |
2028 | if (!pdo->fixed_settings && | |
2029 | (pdo->has_frequency || pdo->has_channels || pdo->has_format)) { | |
2030 | error_setg(errp, | |
2031 | "You can't use frequency, channels or format with fixed-settings=off"); | |
2032 | return; | |
2033 | } | |
1930616b KZ |
2034 | if (!pdo->mixing_engine && pdo->fixed_settings) { |
2035 | error_setg(errp, "You can't use fixed-settings without mixeng"); | |
2036 | return; | |
2037 | } | |
71830221 KZ |
2038 | |
2039 | if (!pdo->has_frequency) { | |
2040 | pdo->has_frequency = true; | |
2041 | pdo->frequency = 44100; | |
2042 | } | |
2043 | if (!pdo->has_channels) { | |
2044 | pdo->has_channels = true; | |
2045 | pdo->channels = 2; | |
2046 | } | |
2047 | if (!pdo->has_voices) { | |
2048 | pdo->has_voices = true; | |
1930616b | 2049 | pdo->voices = pdo->mixing_engine ? 1 : INT_MAX; |
71830221 KZ |
2050 | } |
2051 | if (!pdo->has_format) { | |
2052 | pdo->has_format = true; | |
2053 | pdo->format = AUDIO_FORMAT_S16; | |
2054 | } | |
2055 | } | |
2056 | ||
2057 | static void audio_validate_opts(Audiodev *dev, Error **errp) | |
2058 | { | |
2059 | Error *err = NULL; | |
2060 | ||
2061 | audio_create_pdos(dev); | |
2062 | ||
2063 | audio_validate_per_direction_opts(audio_get_pdo_in(dev), &err); | |
2064 | if (err) { | |
2065 | error_propagate(errp, err); | |
2066 | return; | |
2067 | } | |
2068 | ||
2069 | audio_validate_per_direction_opts(audio_get_pdo_out(dev), &err); | |
2070 | if (err) { | |
2071 | error_propagate(errp, err); | |
2072 | return; | |
2073 | } | |
2074 | ||
2075 | if (!dev->has_timer_period) { | |
2076 | dev->has_timer_period = true; | |
2077 | dev->timer_period = 10000; /* 100Hz -> 10ms */ | |
2078 | } | |
2079 | } | |
2080 | ||
2081 | void audio_parse_option(const char *opt) | |
2082 | { | |
2083 | AudiodevListEntry *e; | |
2084 | Audiodev *dev = NULL; | |
2085 | ||
2086 | Visitor *v = qobject_input_visitor_new_str(opt, "driver", &error_fatal); | |
2087 | visit_type_Audiodev(v, NULL, &dev, &error_fatal); | |
2088 | visit_free(v); | |
2089 | ||
2090 | audio_validate_opts(dev, &error_fatal); | |
2091 | ||
2092 | e = g_malloc0(sizeof(AudiodevListEntry)); | |
2093 | e->dev = dev; | |
2094 | QSIMPLEQ_INSERT_TAIL(&audiodevs, e, next); | |
2095 | } | |
2096 | ||
2097 | void audio_init_audiodevs(void) | |
2098 | { | |
2099 | AudiodevListEntry *e; | |
2100 | ||
2101 | QSIMPLEQ_FOREACH(e, &audiodevs, next) { | |
af2041ed | 2102 | audio_init(e->dev, NULL); |
71830221 KZ |
2103 | } |
2104 | } | |
2105 | ||
2106 | audsettings audiodev_to_audsettings(AudiodevPerDirectionOptions *pdo) | |
2107 | { | |
2108 | return (audsettings) { | |
2109 | .freq = pdo->frequency, | |
2110 | .nchannels = pdo->channels, | |
2111 | .fmt = pdo->format, | |
2112 | .endianness = AUDIO_HOST_ENDIANNESS, | |
2113 | }; | |
2114 | } | |
2115 | ||
2116 | int audioformat_bytes_per_sample(AudioFormat fmt) | |
2117 | { | |
2118 | switch (fmt) { | |
2119 | case AUDIO_FORMAT_U8: | |
2120 | case AUDIO_FORMAT_S8: | |
2121 | return 1; | |
2122 | ||
2123 | case AUDIO_FORMAT_U16: | |
2124 | case AUDIO_FORMAT_S16: | |
2125 | return 2; | |
2126 | ||
2127 | case AUDIO_FORMAT_U32: | |
2128 | case AUDIO_FORMAT_S32: | |
ed2a4a79 | 2129 | case AUDIO_FORMAT_F32: |
71830221 KZ |
2130 | return 4; |
2131 | ||
2132 | case AUDIO_FORMAT__MAX: | |
2133 | ; | |
2134 | } | |
2135 | abort(); | |
2136 | } | |
2137 | ||
2138 | ||
2139 | /* frames = freq * usec / 1e6 */ | |
2140 | int audio_buffer_frames(AudiodevPerDirectionOptions *pdo, | |
2141 | audsettings *as, int def_usecs) | |
2142 | { | |
2143 | uint64_t usecs = pdo->has_buffer_length ? pdo->buffer_length : def_usecs; | |
2144 | return (as->freq * usecs + 500000) / 1000000; | |
2145 | } | |
2146 | ||
2147 | /* samples = channels * frames = channels * freq * usec / 1e6 */ | |
2148 | int audio_buffer_samples(AudiodevPerDirectionOptions *pdo, | |
2149 | audsettings *as, int def_usecs) | |
2150 | { | |
2151 | return as->nchannels * audio_buffer_frames(pdo, as, def_usecs); | |
2152 | } | |
2153 | ||
2154 | /* | |
2155 | * bytes = bytes_per_sample * samples = | |
2156 | * bytes_per_sample * channels * freq * usec / 1e6 | |
2157 | */ | |
2158 | int audio_buffer_bytes(AudiodevPerDirectionOptions *pdo, | |
2159 | audsettings *as, int def_usecs) | |
2160 | { | |
2161 | return audio_buffer_samples(pdo, as, def_usecs) * | |
2162 | audioformat_bytes_per_sample(as->fmt); | |
2163 | } | |
ecd97e95 KZ |
2164 | |
2165 | AudioState *audio_state_by_name(const char *name) | |
2166 | { | |
2167 | AudioState *s; | |
2168 | QTAILQ_FOREACH(s, &audio_states, list) { | |
2169 | assert(s->dev); | |
2170 | if (strcmp(name, s->dev->id) == 0) { | |
2171 | return s; | |
2172 | } | |
2173 | } | |
2174 | return NULL; | |
2175 | } | |
2176 | ||
2177 | const char *audio_get_id(QEMUSoundCard *card) | |
2178 | { | |
2179 | if (card->state) { | |
2180 | assert(card->state->dev); | |
2181 | return card->state->dev->id; | |
2182 | } else { | |
2183 | return ""; | |
2184 | } | |
2185 | } | |
857271a2 | 2186 | |
37a54d05 VR |
2187 | const char *audio_application_name(void) |
2188 | { | |
2189 | const char *vm_name; | |
2190 | ||
2191 | vm_name = qemu_get_vm_name(); | |
2192 | return vm_name ? vm_name : "qemu"; | |
2193 | } | |
2194 | ||
857271a2 KZ |
2195 | void audio_rate_start(RateCtl *rate) |
2196 | { | |
2197 | memset(rate, 0, sizeof(RateCtl)); | |
2198 | rate->start_ticks = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); | |
2199 | } | |
2200 | ||
2201 | size_t audio_rate_get_bytes(struct audio_pcm_info *info, RateCtl *rate, | |
2202 | size_t bytes_avail) | |
2203 | { | |
2204 | int64_t now; | |
2205 | int64_t ticks; | |
2206 | int64_t bytes; | |
2207 | int64_t samples; | |
2208 | size_t ret; | |
2209 | ||
2210 | now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); | |
2211 | ticks = now - rate->start_ticks; | |
2212 | bytes = muldiv64(ticks, info->bytes_per_second, NANOSECONDS_PER_SECOND); | |
2b9cce8c | 2213 | samples = (bytes - rate->bytes_sent) / info->bytes_per_frame; |
857271a2 KZ |
2214 | if (samples < 0 || samples > 65536) { |
2215 | AUD_log(NULL, "Resetting rate control (%" PRId64 " samples)\n", samples); | |
2216 | audio_rate_start(rate); | |
2217 | samples = 0; | |
2218 | } | |
2219 | ||
2b9cce8c | 2220 | ret = MIN(samples * info->bytes_per_frame, bytes_avail); |
857271a2 KZ |
2221 | rate->bytes_sent += ret; |
2222 | return ret; | |
2223 | } |