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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 | 30 | #include "qapi/error.h" |
637d1809 | 31 | #include "qapi/clone-visitor.h" |
71830221 KZ |
32 | #include "qapi/qobject-input-visitor.h" |
33 | #include "qapi/qapi-visit-audio.h" | |
637d1809 | 34 | #include "qapi/qapi-commands-audio.h" |
69a80279 | 35 | #include "qapi/qmp/qdict.h" |
f348b6d1 | 36 | #include "qemu/cutils.h" |
f6061733 | 37 | #include "qemu/error-report.h" |
b9ae74e2 | 38 | #include "qemu/log.h" |
0b8fa32f | 39 | #include "qemu/module.h" |
5e03b6da | 40 | #include "qemu/help_option.h" |
89fc45d5 | 41 | #include "sysemu/sysemu.h" |
3d4d16f4 | 42 | #include "sysemu/replay.h" |
54d31236 | 43 | #include "sysemu/runstate.h" |
f0c4555e | 44 | #include "ui/qemu-spice.h" |
1a961e78 | 45 | #include "trace.h" |
85571bc7 | 46 | |
1d14ffa9 FB |
47 | #define AUDIO_CAP "audio" |
48 | #include "audio_int.h" | |
85571bc7 | 49 | |
1d14ffa9 FB |
50 | /* #define DEBUG_LIVE */ |
51 | /* #define DEBUG_OUT */ | |
8ead62cf | 52 | /* #define DEBUG_CAPTURE */ |
713a98f8 | 53 | /* #define DEBUG_POLL */ |
85571bc7 | 54 | |
c0fe3827 FB |
55 | #define SW_NAME(sw) (sw)->name ? (sw)->name : "unknown" |
56 | ||
2358a494 JQ |
57 | |
58 | /* Order of CONFIG_AUDIO_DRIVERS is import. | |
59 | The 1st one is the one used by default, that is the reason | |
60 | that we generate the list. | |
61 | */ | |
71830221 | 62 | const char *audio_prio_list[] = { |
d3893a39 | 63 | "spice", |
2358a494 | 64 | CONFIG_AUDIO_DRIVERS |
d3893a39 | 65 | "none", |
71830221 | 66 | NULL |
1d14ffa9 | 67 | }; |
85571bc7 | 68 | |
d3893a39 | 69 | static QLIST_HEAD(, audio_driver) audio_drivers; |
69a80279 PB |
70 | static AudiodevListHead audiodevs = |
71 | QSIMPLEQ_HEAD_INITIALIZER(audiodevs); | |
72 | static AudiodevListHead default_audiodevs = | |
73 | QSIMPLEQ_HEAD_INITIALIZER(default_audiodevs); | |
74 | ||
d3893a39 GH |
75 | |
76 | void audio_driver_register(audio_driver *drv) | |
77 | { | |
78 | QLIST_INSERT_HEAD(&audio_drivers, drv, next); | |
79 | } | |
80 | ||
69a80279 | 81 | static audio_driver *audio_driver_lookup(const char *name) |
d3893a39 GH |
82 | { |
83 | struct audio_driver *d; | |
c551fb0b CF |
84 | Error *local_err = NULL; |
85 | int rv; | |
d3893a39 GH |
86 | |
87 | QLIST_FOREACH(d, &audio_drivers, next) { | |
88 | if (strcmp(name, d->name) == 0) { | |
89 | return d; | |
90 | } | |
91 | } | |
c551fb0b CF |
92 | rv = audio_module_load(name, &local_err); |
93 | if (rv > 0) { | |
94 | QLIST_FOREACH(d, &audio_drivers, next) { | |
95 | if (strcmp(name, d->name) == 0) { | |
96 | return d; | |
97 | } | |
65ba8696 | 98 | } |
c551fb0b CF |
99 | } else if (rv < 0) { |
100 | error_report_err(local_err); | |
65ba8696 | 101 | } |
d3893a39 GH |
102 | return NULL; |
103 | } | |
104 | ||
ecd97e95 KZ |
105 | static QTAILQ_HEAD(AudioStateHead, AudioState) audio_states = |
106 | QTAILQ_HEAD_INITIALIZER(audio_states); | |
c0fe3827 | 107 | |
00e07679 | 108 | const struct mixeng_volume nominal_volume = { |
14658cd1 | 109 | .mute = 0, |
1d14ffa9 | 110 | #ifdef FLOAT_MIXENG |
14658cd1 JQ |
111 | .r = 1.0, |
112 | .l = 1.0, | |
1d14ffa9 | 113 | #else |
14658cd1 JQ |
114 | .r = 1ULL << 32, |
115 | .l = 1ULL << 32, | |
1d14ffa9 | 116 | #endif |
85571bc7 FB |
117 | }; |
118 | ||
1d14ffa9 | 119 | int audio_bug (const char *funcname, int cond) |
85571bc7 | 120 | { |
1d14ffa9 FB |
121 | if (cond) { |
122 | static int shown; | |
123 | ||
8ead62cf | 124 | AUD_log (NULL, "A bug was just triggered in %s\n", funcname); |
1d14ffa9 FB |
125 | if (!shown) { |
126 | shown = 1; | |
127 | AUD_log (NULL, "Save all your work and restart without audio\n"); | |
1d14ffa9 FB |
128 | AUD_log (NULL, "I am sorry\n"); |
129 | } | |
130 | AUD_log (NULL, "Context:\n"); | |
85571bc7 FB |
131 | } |
132 | ||
1d14ffa9 | 133 | return cond; |
85571bc7 FB |
134 | } |
135 | ||
f941aa25 TS |
136 | static inline int audio_bits_to_index (int bits) |
137 | { | |
138 | switch (bits) { | |
139 | case 8: | |
140 | return 0; | |
141 | ||
142 | case 16: | |
143 | return 1; | |
144 | ||
145 | case 32: | |
146 | return 2; | |
147 | ||
148 | default: | |
149 | audio_bug ("bits_to_index", 1); | |
150 | AUD_log (NULL, "invalid bits %d\n", bits); | |
12f4abf6 | 151 | return 0; |
f941aa25 TS |
152 | } |
153 | } | |
154 | ||
541e0844 | 155 | void AUD_vlog (const char *cap, const char *fmt, va_list ap) |
85571bc7 | 156 | { |
06ac27f6 KZ |
157 | if (cap) { |
158 | fprintf(stderr, "%s: ", cap); | |
541e0844 | 159 | } |
541e0844 | 160 | |
06ac27f6 | 161 | vfprintf(stderr, fmt, ap); |
85571bc7 FB |
162 | } |
163 | ||
541e0844 | 164 | void AUD_log (const char *cap, const char *fmt, ...) |
85571bc7 | 165 | { |
541e0844 FB |
166 | va_list ap; |
167 | ||
168 | va_start (ap, fmt); | |
169 | AUD_vlog (cap, fmt, ap); | |
170 | va_end (ap); | |
85571bc7 FB |
171 | } |
172 | ||
1ea879e5 | 173 | static void audio_print_settings (struct audsettings *as) |
c0fe3827 FB |
174 | { |
175 | dolog ("frequency=%d nchannels=%d fmt=", as->freq, as->nchannels); | |
176 | ||
177 | switch (as->fmt) { | |
85bc5852 | 178 | case AUDIO_FORMAT_S8: |
c0fe3827 FB |
179 | AUD_log (NULL, "S8"); |
180 | break; | |
85bc5852 | 181 | case AUDIO_FORMAT_U8: |
c0fe3827 FB |
182 | AUD_log (NULL, "U8"); |
183 | break; | |
85bc5852 | 184 | case AUDIO_FORMAT_S16: |
c0fe3827 FB |
185 | AUD_log (NULL, "S16"); |
186 | break; | |
85bc5852 | 187 | case AUDIO_FORMAT_U16: |
c0fe3827 FB |
188 | AUD_log (NULL, "U16"); |
189 | break; | |
85bc5852 | 190 | case AUDIO_FORMAT_S32: |
d50997f9 | 191 | AUD_log (NULL, "S32"); |
192 | break; | |
85bc5852 | 193 | case AUDIO_FORMAT_U32: |
d50997f9 | 194 | AUD_log (NULL, "U32"); |
195 | break; | |
ed2a4a79 KZ |
196 | case AUDIO_FORMAT_F32: |
197 | AUD_log (NULL, "F32"); | |
198 | break; | |
c0fe3827 FB |
199 | default: |
200 | AUD_log (NULL, "invalid(%d)", as->fmt); | |
201 | break; | |
202 | } | |
ec36b695 FB |
203 | |
204 | AUD_log (NULL, " endianness="); | |
d929eba5 FB |
205 | switch (as->endianness) { |
206 | case 0: | |
207 | AUD_log (NULL, "little"); | |
208 | break; | |
209 | case 1: | |
210 | AUD_log (NULL, "big"); | |
211 | break; | |
212 | default: | |
213 | AUD_log (NULL, "invalid"); | |
214 | break; | |
215 | } | |
c0fe3827 FB |
216 | AUD_log (NULL, "\n"); |
217 | } | |
218 | ||
1ea879e5 | 219 | static int audio_validate_settings (struct audsettings *as) |
c0fe3827 FB |
220 | { |
221 | int invalid; | |
222 | ||
b5c7db3e | 223 | invalid = as->nchannels < 1; |
d929eba5 | 224 | invalid |= as->endianness != 0 && as->endianness != 1; |
c0fe3827 FB |
225 | |
226 | switch (as->fmt) { | |
85bc5852 KZ |
227 | case AUDIO_FORMAT_S8: |
228 | case AUDIO_FORMAT_U8: | |
229 | case AUDIO_FORMAT_S16: | |
230 | case AUDIO_FORMAT_U16: | |
231 | case AUDIO_FORMAT_S32: | |
232 | case AUDIO_FORMAT_U32: | |
ed2a4a79 | 233 | case AUDIO_FORMAT_F32: |
c0fe3827 FB |
234 | break; |
235 | default: | |
236 | invalid = 1; | |
237 | break; | |
238 | } | |
239 | ||
240 | invalid |= as->freq <= 0; | |
d929eba5 | 241 | return invalid ? -1 : 0; |
c0fe3827 FB |
242 | } |
243 | ||
1ea879e5 | 244 | static int audio_pcm_info_eq (struct audio_pcm_info *info, struct audsettings *as) |
85571bc7 | 245 | { |
ed2a4a79 KZ |
246 | int bits = 8; |
247 | bool is_signed = false, is_float = false; | |
85571bc7 | 248 | |
c0fe3827 | 249 | switch (as->fmt) { |
85bc5852 | 250 | case AUDIO_FORMAT_S8: |
ed2a4a79 | 251 | is_signed = true; |
b4bd0b16 | 252 | /* fall through */ |
85bc5852 | 253 | case AUDIO_FORMAT_U8: |
1d14ffa9 FB |
254 | break; |
255 | ||
85bc5852 | 256 | case AUDIO_FORMAT_S16: |
ed2a4a79 | 257 | is_signed = true; |
b4bd0b16 | 258 | /* fall through */ |
85bc5852 | 259 | case AUDIO_FORMAT_U16: |
1d14ffa9 FB |
260 | bits = 16; |
261 | break; | |
f941aa25 | 262 | |
ed2a4a79 KZ |
263 | case AUDIO_FORMAT_F32: |
264 | is_float = true; | |
265 | /* fall through */ | |
85bc5852 | 266 | case AUDIO_FORMAT_S32: |
ed2a4a79 | 267 | is_signed = true; |
b4bd0b16 | 268 | /* fall through */ |
85bc5852 | 269 | case AUDIO_FORMAT_U32: |
f941aa25 TS |
270 | bits = 32; |
271 | break; | |
85bc5852 KZ |
272 | |
273 | default: | |
274 | abort(); | |
85571bc7 | 275 | } |
c0fe3827 FB |
276 | return info->freq == as->freq |
277 | && info->nchannels == as->nchannels | |
ed2a4a79 KZ |
278 | && info->is_signed == is_signed |
279 | && info->is_float == is_float | |
d929eba5 FB |
280 | && info->bits == bits |
281 | && info->swap_endianness == (as->endianness != AUDIO_HOST_ENDIANNESS); | |
1d14ffa9 | 282 | } |
85571bc7 | 283 | |
1ea879e5 | 284 | void audio_pcm_init_info (struct audio_pcm_info *info, struct audsettings *as) |
1d14ffa9 | 285 | { |
ed2a4a79 KZ |
286 | int bits = 8, mul; |
287 | bool is_signed = false, is_float = false; | |
1d14ffa9 | 288 | |
c0fe3827 | 289 | switch (as->fmt) { |
85bc5852 | 290 | case AUDIO_FORMAT_S8: |
ed2a4a79 | 291 | is_signed = true; |
f7621fd1 | 292 | /* fall through */ |
85bc5852 | 293 | case AUDIO_FORMAT_U8: |
2b9cce8c | 294 | mul = 1; |
85571bc7 FB |
295 | break; |
296 | ||
85bc5852 | 297 | case AUDIO_FORMAT_S16: |
ed2a4a79 | 298 | is_signed = true; |
e4634941 | 299 | /* fall through */ |
85bc5852 | 300 | case AUDIO_FORMAT_U16: |
85571bc7 | 301 | bits = 16; |
2b9cce8c | 302 | mul = 2; |
f941aa25 TS |
303 | break; |
304 | ||
ed2a4a79 KZ |
305 | case AUDIO_FORMAT_F32: |
306 | is_float = true; | |
307 | /* fall through */ | |
85bc5852 | 308 | case AUDIO_FORMAT_S32: |
ed2a4a79 | 309 | is_signed = true; |
e4634941 | 310 | /* fall through */ |
85bc5852 | 311 | case AUDIO_FORMAT_U32: |
f941aa25 | 312 | bits = 32; |
2b9cce8c | 313 | mul = 4; |
85571bc7 | 314 | break; |
85bc5852 KZ |
315 | |
316 | default: | |
317 | abort(); | |
85571bc7 FB |
318 | } |
319 | ||
c0fe3827 | 320 | info->freq = as->freq; |
1d14ffa9 | 321 | info->bits = bits; |
ed2a4a79 KZ |
322 | info->is_signed = is_signed; |
323 | info->is_float = is_float; | |
c0fe3827 | 324 | info->nchannels = as->nchannels; |
2b9cce8c KZ |
325 | info->bytes_per_frame = as->nchannels * mul; |
326 | info->bytes_per_second = info->freq * info->bytes_per_frame; | |
d929eba5 | 327 | info->swap_endianness = (as->endianness != AUDIO_HOST_ENDIANNESS); |
85571bc7 FB |
328 | } |
329 | ||
1d14ffa9 | 330 | void audio_pcm_info_clear_buf (struct audio_pcm_info *info, void *buf, int len) |
85571bc7 | 331 | { |
1d14ffa9 FB |
332 | if (!len) { |
333 | return; | |
334 | } | |
335 | ||
ed2a4a79 | 336 | if (info->is_signed || info->is_float) { |
2b9cce8c | 337 | memset(buf, 0x00, len * info->bytes_per_frame); |
6c6886bd | 338 | } else { |
f941aa25 TS |
339 | switch (info->bits) { |
340 | case 8: | |
2b9cce8c | 341 | memset(buf, 0x80, len * info->bytes_per_frame); |
f941aa25 | 342 | break; |
1d14ffa9 | 343 | |
f941aa25 TS |
344 | case 16: |
345 | { | |
346 | int i; | |
347 | uint16_t *p = buf; | |
f941aa25 TS |
348 | short s = INT16_MAX; |
349 | ||
350 | if (info->swap_endianness) { | |
351 | s = bswap16 (s); | |
352 | } | |
353 | ||
2b9cce8c | 354 | for (i = 0; i < len * info->nchannels; i++) { |
f941aa25 TS |
355 | p[i] = s; |
356 | } | |
1d14ffa9 | 357 | } |
f941aa25 TS |
358 | break; |
359 | ||
360 | case 32: | |
361 | { | |
362 | int i; | |
363 | uint32_t *p = buf; | |
f941aa25 TS |
364 | int32_t s = INT32_MAX; |
365 | ||
366 | if (info->swap_endianness) { | |
367 | s = bswap32 (s); | |
368 | } | |
1d14ffa9 | 369 | |
2b9cce8c | 370 | for (i = 0; i < len * info->nchannels; i++) { |
f941aa25 TS |
371 | p[i] = s; |
372 | } | |
1d14ffa9 | 373 | } |
f941aa25 TS |
374 | break; |
375 | ||
376 | default: | |
377 | AUD_log (NULL, "audio_pcm_info_clear_buf: invalid bits %d\n", | |
378 | info->bits); | |
379 | break; | |
1d14ffa9 | 380 | } |
85571bc7 FB |
381 | } |
382 | } | |
383 | ||
8ead62cf FB |
384 | /* |
385 | * Capture | |
386 | */ | |
526fb058 KZ |
387 | static CaptureVoiceOut *audio_pcm_capture_find_specific(AudioState *s, |
388 | struct audsettings *as) | |
8ead62cf FB |
389 | { |
390 | CaptureVoiceOut *cap; | |
8ead62cf FB |
391 | |
392 | for (cap = s->cap_head.lh_first; cap; cap = cap->entries.le_next) { | |
d929eba5 | 393 | if (audio_pcm_info_eq (&cap->hw.info, as)) { |
8ead62cf FB |
394 | return cap; |
395 | } | |
396 | } | |
397 | return NULL; | |
398 | } | |
399 | ||
ec36b695 | 400 | static void audio_notify_capture (CaptureVoiceOut *cap, audcnotification_e cmd) |
8ead62cf | 401 | { |
ec36b695 FB |
402 | struct capture_callback *cb; |
403 | ||
404 | #ifdef DEBUG_CAPTURE | |
405 | dolog ("notification %d sent\n", cmd); | |
406 | #endif | |
407 | for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) { | |
408 | cb->ops.notify (cb->opaque, cmd); | |
409 | } | |
410 | } | |
8ead62cf | 411 | |
ec36b695 FB |
412 | static void audio_capture_maybe_changed (CaptureVoiceOut *cap, int enabled) |
413 | { | |
414 | if (cap->hw.enabled != enabled) { | |
415 | audcnotification_e cmd; | |
8ead62cf | 416 | cap->hw.enabled = enabled; |
ec36b695 FB |
417 | cmd = enabled ? AUD_CNOTIFY_ENABLE : AUD_CNOTIFY_DISABLE; |
418 | audio_notify_capture (cap, cmd); | |
8ead62cf FB |
419 | } |
420 | } | |
421 | ||
422 | static void audio_recalc_and_notify_capture (CaptureVoiceOut *cap) | |
423 | { | |
424 | HWVoiceOut *hw = &cap->hw; | |
425 | SWVoiceOut *sw; | |
426 | int enabled = 0; | |
427 | ||
ec36b695 | 428 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { |
8ead62cf FB |
429 | if (sw->active) { |
430 | enabled = 1; | |
431 | break; | |
432 | } | |
433 | } | |
ec36b695 | 434 | audio_capture_maybe_changed (cap, enabled); |
8ead62cf FB |
435 | } |
436 | ||
437 | static void audio_detach_capture (HWVoiceOut *hw) | |
438 | { | |
ec36b695 FB |
439 | SWVoiceCap *sc = hw->cap_head.lh_first; |
440 | ||
441 | while (sc) { | |
442 | SWVoiceCap *sc1 = sc->entries.le_next; | |
443 | SWVoiceOut *sw = &sc->sw; | |
444 | CaptureVoiceOut *cap = sc->cap; | |
445 | int was_active = sw->active; | |
8ead62cf | 446 | |
8ead62cf FB |
447 | if (sw->rate) { |
448 | st_rate_stop (sw->rate); | |
449 | sw->rate = NULL; | |
450 | } | |
451 | ||
72cf2d4f BS |
452 | QLIST_REMOVE (sw, entries); |
453 | QLIST_REMOVE (sc, entries); | |
7267c094 | 454 | g_free (sc); |
ec36b695 FB |
455 | if (was_active) { |
456 | /* We have removed soft voice from the capture: | |
457 | this might have changed the overall status of the capture | |
458 | since this might have been the only active voice */ | |
459 | audio_recalc_and_notify_capture (cap); | |
460 | } | |
461 | sc = sc1; | |
8ead62cf FB |
462 | } |
463 | } | |
464 | ||
1a7dafce | 465 | static int audio_attach_capture (HWVoiceOut *hw) |
8ead62cf | 466 | { |
526fb058 | 467 | AudioState *s = hw->s; |
8ead62cf FB |
468 | CaptureVoiceOut *cap; |
469 | ||
470 | audio_detach_capture (hw); | |
471 | for (cap = s->cap_head.lh_first; cap; cap = cap->entries.le_next) { | |
ec36b695 | 472 | SWVoiceCap *sc; |
8ead62cf | 473 | SWVoiceOut *sw; |
ec36b695 | 474 | HWVoiceOut *hw_cap = &cap->hw; |
8ead62cf | 475 | |
e8d85444 | 476 | sc = g_malloc0(sizeof(*sc)); |
8ead62cf | 477 | |
ec36b695 FB |
478 | sc->cap = cap; |
479 | sw = &sc->sw; | |
8ead62cf | 480 | sw->hw = hw_cap; |
ec36b695 | 481 | sw->info = hw->info; |
8ead62cf FB |
482 | sw->empty = 1; |
483 | sw->active = hw->enabled; | |
83617103 | 484 | sw->vol = nominal_volume; |
8ead62cf | 485 | sw->rate = st_rate_start (sw->info.freq, hw_cap->info.freq); |
72cf2d4f BS |
486 | QLIST_INSERT_HEAD (&hw_cap->sw_head, sw, entries); |
487 | QLIST_INSERT_HEAD (&hw->cap_head, sc, entries); | |
ec36b695 | 488 | #ifdef DEBUG_CAPTURE |
457b6543 SW |
489 | sw->name = g_strdup_printf ("for %p %d,%d,%d", |
490 | hw, sw->info.freq, sw->info.bits, | |
491 | sw->info.nchannels); | |
ec36b695 FB |
492 | dolog ("Added %s active = %d\n", sw->name, sw->active); |
493 | #endif | |
8ead62cf | 494 | if (sw->active) { |
ec36b695 | 495 | audio_capture_maybe_changed (cap, 1); |
8ead62cf FB |
496 | } |
497 | } | |
498 | return 0; | |
499 | } | |
500 | ||
1d14ffa9 FB |
501 | /* |
502 | * Hard voice (capture) | |
503 | */ | |
7520462b | 504 | static size_t audio_pcm_hw_find_min_in (HWVoiceIn *hw) |
85571bc7 | 505 | { |
1d14ffa9 | 506 | SWVoiceIn *sw; |
7520462b | 507 | size_t m = hw->total_samples_captured; |
1d14ffa9 FB |
508 | |
509 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { | |
510 | if (sw->active) { | |
58935915 | 511 | m = MIN (m, sw->total_hw_samples_acquired); |
1d14ffa9 | 512 | } |
85571bc7 | 513 | } |
1d14ffa9 | 514 | return m; |
85571bc7 FB |
515 | } |
516 | ||
3f5bbfc2 | 517 | static size_t audio_pcm_hw_get_live_in(HWVoiceIn *hw) |
85571bc7 | 518 | { |
7520462b | 519 | size_t live = hw->total_samples_captured - audio_pcm_hw_find_min_in (hw); |
8dbd3d17 VR |
520 | if (audio_bug(__func__, live > hw->conv_buf.size)) { |
521 | dolog("live=%zu hw->conv_buf.size=%zu\n", live, hw->conv_buf.size); | |
12f4abf6 | 522 | return 0; |
85571bc7 | 523 | } |
1d14ffa9 | 524 | return live; |
85571bc7 FB |
525 | } |
526 | ||
251f1549 VR |
527 | static size_t audio_pcm_hw_conv_in(HWVoiceIn *hw, void *pcm_buf, size_t samples) |
528 | { | |
529 | size_t conv = 0; | |
8dbd3d17 | 530 | STSampleBuffer *conv_buf = &hw->conv_buf; |
251f1549 VR |
531 | |
532 | while (samples) { | |
533 | uint8_t *src = advance(pcm_buf, conv * hw->info.bytes_per_frame); | |
534 | size_t proc = MIN(samples, conv_buf->size - conv_buf->pos); | |
535 | ||
8dbd3d17 | 536 | hw->conv(conv_buf->buffer + conv_buf->pos, src, proc); |
251f1549 VR |
537 | conv_buf->pos = (conv_buf->pos + proc) % conv_buf->size; |
538 | samples -= proc; | |
539 | conv += proc; | |
540 | } | |
541 | ||
542 | return conv; | |
543 | } | |
544 | ||
1d14ffa9 FB |
545 | /* |
546 | * Soft voice (capture) | |
547 | */ | |
1c49c5f1 VR |
548 | static void audio_pcm_sw_resample_in(SWVoiceIn *sw, |
549 | size_t frames_in_max, size_t frames_out_max, | |
550 | size_t *total_in, size_t *total_out) | |
551 | { | |
552 | HWVoiceIn *hw = sw->hw; | |
553 | struct st_sample *src, *dst; | |
554 | size_t live, rpos, frames_in, frames_out; | |
555 | ||
556 | live = hw->total_samples_captured - sw->total_hw_samples_acquired; | |
557 | rpos = audio_ring_posb(hw->conv_buf.pos, live, hw->conv_buf.size); | |
558 | ||
559 | /* resample conv_buf from rpos to end of buffer */ | |
560 | src = hw->conv_buf.buffer + rpos; | |
561 | frames_in = MIN(frames_in_max, hw->conv_buf.size - rpos); | |
562 | dst = sw->resample_buf.buffer; | |
563 | frames_out = frames_out_max; | |
564 | st_rate_flow(sw->rate, src, dst, &frames_in, &frames_out); | |
565 | rpos += frames_in; | |
566 | *total_in = frames_in; | |
567 | *total_out = frames_out; | |
568 | ||
569 | /* resample conv_buf from start of buffer if there are input frames left */ | |
570 | if (frames_in_max - frames_in && rpos == hw->conv_buf.size) { | |
571 | src = hw->conv_buf.buffer; | |
572 | frames_in = frames_in_max - frames_in; | |
573 | dst += frames_out; | |
574 | frames_out = frames_out_max - frames_out; | |
575 | st_rate_flow(sw->rate, src, dst, &frames_in, &frames_out); | |
576 | *total_in += frames_in; | |
577 | *total_out += frames_out; | |
578 | } | |
579 | } | |
580 | ||
fbde1edf | 581 | static size_t audio_pcm_sw_read(SWVoiceIn *sw, void *buf, size_t buf_len) |
85571bc7 | 582 | { |
1d14ffa9 | 583 | HWVoiceIn *hw = sw->hw; |
a9ea5678 | 584 | size_t live, frames_out_max, total_in, total_out; |
1d14ffa9 | 585 | |
1d14ffa9 | 586 | live = hw->total_samples_captured - sw->total_hw_samples_acquired; |
0ceb26af VR |
587 | if (!live) { |
588 | return 0; | |
589 | } | |
8dbd3d17 VR |
590 | if (audio_bug(__func__, live > hw->conv_buf.size)) { |
591 | dolog("live_in=%zu hw->conv_buf.size=%zu\n", live, hw->conv_buf.size); | |
12f4abf6 | 592 | return 0; |
1d14ffa9 FB |
593 | } |
594 | ||
a9ea5678 VR |
595 | frames_out_max = MIN(buf_len / sw->info.bytes_per_frame, |
596 | sw->resample_buf.size); | |
85571bc7 | 597 | |
a9ea5678 | 598 | audio_pcm_sw_resample_in(sw, live, frames_out_max, &total_in, &total_out); |
85571bc7 | 599 | |
669b9522 | 600 | if (!hw->pcm_ops->volume_in) { |
fbde1edf | 601 | mixeng_volume(sw->resample_buf.buffer, total_out, &sw->vol); |
c01b2456 | 602 | } |
fbde1edf | 603 | sw->clip(buf, sw->resample_buf.buffer, total_out); |
00e07679 | 604 | |
fbde1edf VR |
605 | sw->total_hw_samples_acquired += total_in; |
606 | return total_out * sw->info.bytes_per_frame; | |
85571bc7 FB |
607 | } |
608 | ||
1d14ffa9 FB |
609 | /* |
610 | * Hard voice (playback) | |
611 | */ | |
7520462b | 612 | static size_t audio_pcm_hw_find_min_out (HWVoiceOut *hw, int *nb_livep) |
1d14ffa9 | 613 | { |
c0fe3827 | 614 | SWVoiceOut *sw; |
7520462b | 615 | size_t m = SIZE_MAX; |
c0fe3827 | 616 | int nb_live = 0; |
85571bc7 | 617 | |
c0fe3827 FB |
618 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { |
619 | if (sw->active || !sw->empty) { | |
58935915 | 620 | m = MIN (m, sw->total_hw_samples_mixed); |
c0fe3827 FB |
621 | nb_live += 1; |
622 | } | |
85571bc7 | 623 | } |
c0fe3827 FB |
624 | |
625 | *nb_livep = nb_live; | |
626 | return m; | |
1d14ffa9 | 627 | } |
85571bc7 | 628 | |
7520462b | 629 | static size_t audio_pcm_hw_get_live_out (HWVoiceOut *hw, int *nb_live) |
1d14ffa9 | 630 | { |
7520462b | 631 | size_t smin; |
bdff253c | 632 | int nb_live1; |
85571bc7 | 633 | |
bdff253c | 634 | smin = audio_pcm_hw_find_min_out (hw, &nb_live1); |
635 | if (nb_live) { | |
636 | *nb_live = nb_live1; | |
85571bc7 | 637 | } |
bdff253c | 638 | |
639 | if (nb_live1) { | |
7520462b | 640 | size_t live = smin; |
1d14ffa9 | 641 | |
8dbd3d17 VR |
642 | if (audio_bug(__func__, live > hw->mix_buf.size)) { |
643 | dolog("live=%zu hw->mix_buf.size=%zu\n", live, hw->mix_buf.size); | |
12f4abf6 | 644 | return 0; |
85571bc7 | 645 | } |
1d14ffa9 | 646 | return live; |
85571bc7 | 647 | } |
bdff253c | 648 | return 0; |
85571bc7 FB |
649 | } |
650 | ||
9833438e VR |
651 | static size_t audio_pcm_hw_get_free(HWVoiceOut *hw) |
652 | { | |
653 | return (hw->pcm_ops->buffer_get_free ? hw->pcm_ops->buffer_get_free(hw) : | |
654 | INT_MAX) / hw->info.bytes_per_frame; | |
655 | } | |
656 | ||
8e56a172 VR |
657 | static void audio_pcm_hw_clip_out(HWVoiceOut *hw, void *pcm_buf, size_t len) |
658 | { | |
659 | size_t clipped = 0; | |
8dbd3d17 | 660 | size_t pos = hw->mix_buf.pos; |
8e56a172 VR |
661 | |
662 | while (len) { | |
8dbd3d17 | 663 | st_sample *src = hw->mix_buf.buffer + pos; |
8e56a172 | 664 | uint8_t *dst = advance(pcm_buf, clipped * hw->info.bytes_per_frame); |
8dbd3d17 | 665 | size_t samples_till_end_of_buf = hw->mix_buf.size - pos; |
8e56a172 VR |
666 | size_t samples_to_clip = MIN(len, samples_till_end_of_buf); |
667 | ||
668 | hw->clip(dst, src, samples_to_clip); | |
669 | ||
8dbd3d17 | 670 | pos = (pos + samples_to_clip) % hw->mix_buf.size; |
8e56a172 VR |
671 | len -= samples_to_clip; |
672 | clipped += samples_to_clip; | |
673 | } | |
674 | } | |
675 | ||
1d14ffa9 FB |
676 | /* |
677 | * Soft voice (playback) | |
678 | */ | |
8a81abee VR |
679 | static void audio_pcm_sw_resample_out(SWVoiceOut *sw, |
680 | size_t frames_in_max, size_t frames_out_max, | |
681 | size_t *total_in, size_t *total_out) | |
682 | { | |
683 | HWVoiceOut *hw = sw->hw; | |
684 | struct st_sample *src, *dst; | |
685 | size_t live, wpos, frames_in, frames_out; | |
686 | ||
687 | live = sw->total_hw_samples_mixed; | |
688 | wpos = (hw->mix_buf.pos + live) % hw->mix_buf.size; | |
689 | ||
690 | /* write to mix_buf from wpos to end of buffer */ | |
691 | src = sw->resample_buf.buffer; | |
692 | frames_in = frames_in_max; | |
693 | dst = hw->mix_buf.buffer + wpos; | |
694 | frames_out = MIN(frames_out_max, hw->mix_buf.size - wpos); | |
695 | st_rate_flow_mix(sw->rate, src, dst, &frames_in, &frames_out); | |
696 | wpos += frames_out; | |
697 | *total_in = frames_in; | |
698 | *total_out = frames_out; | |
699 | ||
700 | /* write to mix_buf from start of buffer if there are input frames left */ | |
701 | if (frames_in_max - frames_in > 0 && wpos == hw->mix_buf.size) { | |
702 | src += frames_in; | |
703 | frames_in = frames_in_max - frames_in; | |
704 | dst = hw->mix_buf.buffer; | |
705 | frames_out = frames_out_max - frames_out; | |
706 | st_rate_flow_mix(sw->rate, src, dst, &frames_in, &frames_out); | |
707 | *total_in += frames_in; | |
708 | *total_out += frames_out; | |
709 | } | |
710 | } | |
711 | ||
d5647bd9 | 712 | static size_t audio_pcm_sw_write(SWVoiceOut *sw, void *buf, size_t buf_len) |
85571bc7 | 713 | { |
d5647bd9 | 714 | HWVoiceOut *hw = sw->hw; |
1a01df3d VR |
715 | size_t live, dead, hw_free, sw_max, fe_max; |
716 | size_t frames_in_max, frames_out_max, total_in, total_out; | |
85571bc7 | 717 | |
1d14ffa9 | 718 | live = sw->total_hw_samples_mixed; |
d5647bd9 VR |
719 | if (audio_bug(__func__, live > hw->mix_buf.size)) { |
720 | dolog("live=%zu hw->mix_buf.size=%zu\n", live, hw->mix_buf.size); | |
12f4abf6 | 721 | return 0; |
1d14ffa9 | 722 | } |
85571bc7 | 723 | |
d5647bd9 | 724 | if (live == hw->mix_buf.size) { |
ec36b695 | 725 | #ifdef DEBUG_OUT |
0c29b786 | 726 | dolog ("%s is full %zu\n", sw->name, live); |
ec36b695 | 727 | #endif |
1d14ffa9 FB |
728 | return 0; |
729 | } | |
85571bc7 | 730 | |
d5647bd9 VR |
731 | dead = hw->mix_buf.size - live; |
732 | hw_free = audio_pcm_hw_get_free(hw); | |
9833438e | 733 | hw_free = hw_free > live ? hw_free - live : 0; |
1a01df3d VR |
734 | frames_out_max = MIN(dead, hw_free); |
735 | sw_max = st_rate_frames_in(sw->rate, frames_out_max); | |
e1e6a6fc VR |
736 | fe_max = MIN(buf_len / sw->info.bytes_per_frame + sw->resample_buf.pos, |
737 | sw->resample_buf.size); | |
1a01df3d | 738 | frames_in_max = MIN(sw_max, fe_max); |
c01b2456 | 739 | |
1a01df3d VR |
740 | if (!frames_in_max) { |
741 | return 0; | |
1d14ffa9 FB |
742 | } |
743 | ||
e1e6a6fc VR |
744 | if (frames_in_max > sw->resample_buf.pos) { |
745 | sw->conv(sw->resample_buf.buffer + sw->resample_buf.pos, | |
746 | buf, frames_in_max - sw->resample_buf.pos); | |
747 | if (!sw->hw->pcm_ops->volume_out) { | |
748 | mixeng_volume(sw->resample_buf.buffer + sw->resample_buf.pos, | |
749 | frames_in_max - sw->resample_buf.pos, &sw->vol); | |
750 | } | |
1a01df3d VR |
751 | } |
752 | ||
753 | audio_pcm_sw_resample_out(sw, frames_in_max, frames_out_max, | |
d5647bd9 | 754 | &total_in, &total_out); |
1d14ffa9 | 755 | |
d5647bd9 | 756 | sw->total_hw_samples_mixed += total_out; |
1d14ffa9 FB |
757 | sw->empty = sw->total_hw_samples_mixed == 0; |
758 | ||
e1e6a6fc VR |
759 | /* |
760 | * Upsampling may leave one audio frame in the resample buffer. Decrement | |
761 | * total_in by one if there was a leftover frame from the previous resample | |
762 | * pass in the resample buffer. Increment total_in by one if the current | |
763 | * resample pass left one frame in the resample buffer. | |
764 | */ | |
765 | if (frames_in_max - total_in == 1) { | |
766 | /* copy one leftover audio frame to the beginning of the buffer */ | |
767 | *sw->resample_buf.buffer = *(sw->resample_buf.buffer + total_in); | |
768 | total_in += 1 - sw->resample_buf.pos; | |
769 | sw->resample_buf.pos = 1; | |
770 | } else if (total_in >= sw->resample_buf.pos) { | |
771 | total_in -= sw->resample_buf.pos; | |
772 | sw->resample_buf.pos = 0; | |
773 | } | |
774 | ||
1d14ffa9 FB |
775 | #ifdef DEBUG_OUT |
776 | dolog ( | |
d5647bd9 VR |
777 | "%s: write size %zu written %zu total mixed %zu\n", |
778 | SW_NAME(sw), | |
779 | buf_len / sw->info.bytes_per_frame, | |
780 | total_in, | |
c0fe3827 | 781 | sw->total_hw_samples_mixed |
1d14ffa9 FB |
782 | ); |
783 | #endif | |
784 | ||
d5647bd9 | 785 | return total_in * sw->info.bytes_per_frame; |
85571bc7 FB |
786 | } |
787 | ||
1d14ffa9 FB |
788 | #ifdef DEBUG_AUDIO |
789 | static void audio_pcm_print_info (const char *cap, struct audio_pcm_info *info) | |
85571bc7 | 790 | { |
ed2a4a79 KZ |
791 | dolog("%s: bits %d, sign %d, float %d, freq %d, nchan %d\n", |
792 | cap, info->bits, info->is_signed, info->is_float, info->freq, | |
793 | info->nchannels); | |
85571bc7 | 794 | } |
1d14ffa9 | 795 | #endif |
85571bc7 | 796 | |
1d14ffa9 FB |
797 | #define DAC |
798 | #include "audio_template.h" | |
799 | #undef DAC | |
800 | #include "audio_template.h" | |
801 | ||
713a98f8 | 802 | /* |
803 | * Timer | |
804 | */ | |
526fb058 | 805 | static int audio_is_timer_needed(AudioState *s) |
713a98f8 | 806 | { |
807 | HWVoiceIn *hwi = NULL; | |
808 | HWVoiceOut *hwo = NULL; | |
809 | ||
526fb058 | 810 | while ((hwo = audio_pcm_hw_find_any_enabled_out(s, hwo))) { |
6c6886bd ZH |
811 | if (!hwo->poll_mode) { |
812 | return 1; | |
813 | } | |
713a98f8 | 814 | } |
526fb058 | 815 | while ((hwi = audio_pcm_hw_find_any_enabled_in(s, hwi))) { |
6c6886bd ZH |
816 | if (!hwi->poll_mode) { |
817 | return 1; | |
818 | } | |
713a98f8 | 819 | } |
820 | return 0; | |
821 | } | |
822 | ||
39deb1e4 | 823 | static void audio_reset_timer (AudioState *s) |
713a98f8 | 824 | { |
526fb058 | 825 | if (audio_is_timer_needed(s)) { |
1ffc2665 | 826 | timer_mod_anticipate_ns(s->ts, |
71830221 | 827 | qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + s->period_ticks); |
526fb058 KZ |
828 | if (!s->timer_running) { |
829 | s->timer_running = true; | |
830 | s->timer_last = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); | |
71830221 | 831 | trace_audio_timer_start(s->period_ticks / SCALE_MS); |
1a961e78 GH |
832 | } |
833 | } else { | |
834 | timer_del(s->ts); | |
526fb058 KZ |
835 | if (s->timer_running) { |
836 | s->timer_running = false; | |
1a961e78 GH |
837 | trace_audio_timer_stop(); |
838 | } | |
713a98f8 | 839 | } |
840 | } | |
841 | ||
39deb1e4 | 842 | static void audio_timer (void *opaque) |
843 | { | |
1a961e78 | 844 | int64_t now, diff; |
71830221 | 845 | AudioState *s = opaque; |
1a961e78 GH |
846 | |
847 | now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); | |
526fb058 | 848 | diff = now - s->timer_last; |
71830221 | 849 | if (diff > s->period_ticks * 3 / 2) { |
1a961e78 GH |
850 | trace_audio_timer_delayed(diff / SCALE_MS); |
851 | } | |
526fb058 | 852 | s->timer_last = now; |
1a961e78 | 853 | |
18e2c177 | 854 | audio_run(s, "timer"); |
71830221 | 855 | audio_reset_timer(s); |
39deb1e4 | 856 | } |
857 | ||
713a98f8 | 858 | /* |
859 | * Public API | |
860 | */ | |
7520462b | 861 | size_t AUD_write(SWVoiceOut *sw, void *buf, size_t size) |
85571bc7 | 862 | { |
1930616b KZ |
863 | HWVoiceOut *hw; |
864 | ||
1d14ffa9 FB |
865 | if (!sw) { |
866 | /* XXX: Consider options */ | |
867 | return size; | |
868 | } | |
1930616b | 869 | hw = sw->hw; |
85571bc7 | 870 | |
1930616b | 871 | if (!hw->enabled) { |
c0fe3827 | 872 | dolog ("Writing to disabled voice %s\n", SW_NAME (sw)); |
85571bc7 FB |
873 | return 0; |
874 | } | |
875 | ||
1930616b KZ |
876 | if (audio_get_pdo_out(hw->s->dev)->mixing_engine) { |
877 | return audio_pcm_sw_write(sw, buf, size); | |
878 | } else { | |
879 | return hw->pcm_ops->write(hw, buf, size); | |
880 | } | |
1d14ffa9 FB |
881 | } |
882 | ||
7520462b | 883 | size_t AUD_read(SWVoiceIn *sw, void *buf, size_t size) |
1d14ffa9 | 884 | { |
1930616b KZ |
885 | HWVoiceIn *hw; |
886 | ||
1d14ffa9 FB |
887 | if (!sw) { |
888 | /* XXX: Consider options */ | |
889 | return size; | |
85571bc7 | 890 | } |
1930616b | 891 | hw = sw->hw; |
1d14ffa9 | 892 | |
1930616b | 893 | if (!hw->enabled) { |
c0fe3827 | 894 | dolog ("Reading from disabled voice %s\n", SW_NAME (sw)); |
1d14ffa9 | 895 | return 0; |
85571bc7 | 896 | } |
1d14ffa9 | 897 | |
1930616b KZ |
898 | if (audio_get_pdo_in(hw->s->dev)->mixing_engine) { |
899 | return audio_pcm_sw_read(sw, buf, size); | |
900 | } else { | |
901 | return hw->pcm_ops->read(hw, buf, size); | |
902 | } | |
85571bc7 FB |
903 | } |
904 | ||
69ac0786 | 905 | int AUD_get_buffer_size_out(SWVoiceOut *sw) |
85571bc7 | 906 | { |
69ac0786 | 907 | return sw->hw->samples * sw->hw->info.bytes_per_frame; |
1d14ffa9 FB |
908 | } |
909 | ||
910 | void AUD_set_active_out (SWVoiceOut *sw, int on) | |
911 | { | |
912 | HWVoiceOut *hw; | |
85571bc7 | 913 | |
1d14ffa9 | 914 | if (!sw) { |
85571bc7 | 915 | return; |
1d14ffa9 | 916 | } |
85571bc7 FB |
917 | |
918 | hw = sw->hw; | |
1d14ffa9 | 919 | if (sw->active != on) { |
526fb058 | 920 | AudioState *s = sw->s; |
1d14ffa9 | 921 | SWVoiceOut *temp_sw; |
ec36b695 | 922 | SWVoiceCap *sc; |
1d14ffa9 FB |
923 | |
924 | if (on) { | |
1d14ffa9 FB |
925 | hw->pending_disable = 0; |
926 | if (!hw->enabled) { | |
927 | hw->enabled = 1; | |
978dd635 | 928 | if (s->vm_running) { |
571a8c52 KZ |
929 | if (hw->pcm_ops->enable_out) { |
930 | hw->pcm_ops->enable_out(hw, true); | |
931 | } | |
39deb1e4 | 932 | audio_reset_timer (s); |
978dd635 | 933 | } |
1d14ffa9 | 934 | } |
6c6886bd | 935 | } else { |
1d14ffa9 FB |
936 | if (hw->enabled) { |
937 | int nb_active = 0; | |
938 | ||
939 | for (temp_sw = hw->sw_head.lh_first; temp_sw; | |
940 | temp_sw = temp_sw->entries.le_next) { | |
941 | nb_active += temp_sw->active != 0; | |
942 | } | |
943 | ||
944 | hw->pending_disable = nb_active == 1; | |
945 | } | |
85571bc7 | 946 | } |
ec36b695 FB |
947 | |
948 | for (sc = hw->cap_head.lh_first; sc; sc = sc->entries.le_next) { | |
949 | sc->sw.active = hw->enabled; | |
8ead62cf | 950 | if (hw->enabled) { |
ec36b695 | 951 | audio_capture_maybe_changed (sc->cap, 1); |
8ead62cf FB |
952 | } |
953 | } | |
1d14ffa9 FB |
954 | sw->active = on; |
955 | } | |
956 | } | |
957 | ||
958 | void AUD_set_active_in (SWVoiceIn *sw, int on) | |
959 | { | |
960 | HWVoiceIn *hw; | |
961 | ||
962 | if (!sw) { | |
963 | return; | |
85571bc7 FB |
964 | } |
965 | ||
1d14ffa9 | 966 | hw = sw->hw; |
85571bc7 | 967 | if (sw->active != on) { |
526fb058 | 968 | AudioState *s = sw->s; |
1d14ffa9 FB |
969 | SWVoiceIn *temp_sw; |
970 | ||
85571bc7 | 971 | if (on) { |
85571bc7 FB |
972 | if (!hw->enabled) { |
973 | hw->enabled = 1; | |
978dd635 | 974 | if (s->vm_running) { |
571a8c52 KZ |
975 | if (hw->pcm_ops->enable_in) { |
976 | hw->pcm_ops->enable_in(hw, true); | |
977 | } | |
39deb1e4 | 978 | audio_reset_timer (s); |
978dd635 | 979 | } |
85571bc7 | 980 | } |
1d14ffa9 | 981 | sw->total_hw_samples_acquired = hw->total_samples_captured; |
6c6886bd | 982 | } else { |
1d14ffa9 | 983 | if (hw->enabled) { |
85571bc7 | 984 | int nb_active = 0; |
1d14ffa9 FB |
985 | |
986 | for (temp_sw = hw->sw_head.lh_first; temp_sw; | |
987 | temp_sw = temp_sw->entries.le_next) { | |
988 | nb_active += temp_sw->active != 0; | |
85571bc7 FB |
989 | } |
990 | ||
991 | if (nb_active == 1) { | |
1d14ffa9 | 992 | hw->enabled = 0; |
571a8c52 KZ |
993 | if (hw->pcm_ops->enable_in) { |
994 | hw->pcm_ops->enable_in(hw, false); | |
995 | } | |
85571bc7 FB |
996 | } |
997 | } | |
998 | } | |
999 | sw->active = on; | |
1000 | } | |
1001 | } | |
1002 | ||
7520462b | 1003 | static size_t audio_get_avail (SWVoiceIn *sw) |
1d14ffa9 | 1004 | { |
7520462b | 1005 | size_t live; |
1d14ffa9 FB |
1006 | |
1007 | if (!sw) { | |
1008 | return 0; | |
1009 | } | |
1010 | ||
1011 | live = sw->hw->total_samples_captured - sw->total_hw_samples_acquired; | |
8dbd3d17 VR |
1012 | if (audio_bug(__func__, live > sw->hw->conv_buf.size)) { |
1013 | dolog("live=%zu sw->hw->conv_buf.size=%zu\n", live, | |
1014 | sw->hw->conv_buf.size); | |
12f4abf6 | 1015 | return 0; |
1d14ffa9 FB |
1016 | } |
1017 | ||
1018 | ldebug ( | |
a9ea5678 | 1019 | "%s: get_avail live %zu frontend frames %u\n", |
c0fe3827 | 1020 | SW_NAME (sw), |
a9ea5678 | 1021 | live, st_rate_frames_out(sw->rate, live) |
1d14ffa9 FB |
1022 | ); |
1023 | ||
0724c579 | 1024 | return live; |
1d14ffa9 FB |
1025 | } |
1026 | ||
7520462b | 1027 | static size_t audio_get_free(SWVoiceOut *sw) |
1d14ffa9 | 1028 | { |
7520462b | 1029 | size_t live, dead; |
1d14ffa9 FB |
1030 | |
1031 | if (!sw) { | |
1032 | return 0; | |
1033 | } | |
1034 | ||
1035 | live = sw->total_hw_samples_mixed; | |
1036 | ||
8dbd3d17 VR |
1037 | if (audio_bug(__func__, live > sw->hw->mix_buf.size)) { |
1038 | dolog("live=%zu sw->hw->mix_buf.size=%zu\n", live, | |
1039 | sw->hw->mix_buf.size); | |
12f4abf6 | 1040 | return 0; |
1d14ffa9 FB |
1041 | } |
1042 | ||
8dbd3d17 | 1043 | dead = sw->hw->mix_buf.size - live; |
1d14ffa9 FB |
1044 | |
1045 | #ifdef DEBUG_OUT | |
1a01df3d VR |
1046 | dolog("%s: get_free live %zu dead %zu frontend frames %u\n", |
1047 | SW_NAME(sw), live, dead, st_rate_frames_in(sw->rate, dead)); | |
85571bc7 | 1048 | #endif |
1d14ffa9 | 1049 | |
9833438e | 1050 | return dead; |
1d14ffa9 FB |
1051 | } |
1052 | ||
7520462b KZ |
1053 | static void audio_capture_mix_and_clear(HWVoiceOut *hw, size_t rpos, |
1054 | size_t samples) | |
8ead62cf | 1055 | { |
7520462b | 1056 | size_t n; |
8ead62cf FB |
1057 | |
1058 | if (hw->enabled) { | |
ec36b695 | 1059 | SWVoiceCap *sc; |
8ead62cf | 1060 | |
ec36b695 FB |
1061 | for (sc = hw->cap_head.lh_first; sc; sc = sc->entries.le_next) { |
1062 | SWVoiceOut *sw = &sc->sw; | |
671cca35 | 1063 | size_t rpos2 = rpos; |
8ead62cf FB |
1064 | |
1065 | n = samples; | |
1066 | while (n) { | |
8dbd3d17 | 1067 | size_t till_end_of_hw = hw->mix_buf.size - rpos2; |
671cca35 VR |
1068 | size_t to_read = MIN(till_end_of_hw, n); |
1069 | size_t live, frames_in, frames_out; | |
8ead62cf | 1070 | |
2c3f9a0a | 1071 | sw->resample_buf.buffer = hw->mix_buf.buffer + rpos2; |
671cca35 VR |
1072 | sw->resample_buf.size = to_read; |
1073 | live = sw->total_hw_samples_mixed; | |
1074 | ||
1075 | audio_pcm_sw_resample_out(sw, | |
1076 | to_read, sw->hw->mix_buf.size - live, | |
1077 | &frames_in, &frames_out); | |
1078 | ||
1079 | sw->total_hw_samples_mixed += frames_out; | |
1080 | sw->empty = sw->total_hw_samples_mixed == 0; | |
1081 | ||
1082 | if (to_read - frames_in) { | |
1083 | dolog("Could not mix %zu frames into a capture " | |
7520462b | 1084 | "buffer, mixed %zu\n", |
671cca35 | 1085 | to_read, frames_in); |
8ead62cf FB |
1086 | break; |
1087 | } | |
671cca35 VR |
1088 | n -= to_read; |
1089 | rpos2 = (rpos2 + to_read) % hw->mix_buf.size; | |
8ead62cf FB |
1090 | } |
1091 | } | |
1092 | } | |
1093 | ||
8dbd3d17 VR |
1094 | n = MIN(samples, hw->mix_buf.size - rpos); |
1095 | mixeng_clear(hw->mix_buf.buffer + rpos, n); | |
1096 | mixeng_clear(hw->mix_buf.buffer, samples - n); | |
8ead62cf FB |
1097 | } |
1098 | ||
ff095e52 KZ |
1099 | static size_t audio_pcm_hw_run_out(HWVoiceOut *hw, size_t live) |
1100 | { | |
1101 | size_t clipped = 0; | |
1102 | ||
1103 | while (live) { | |
aec6d0dc VR |
1104 | size_t size = live * hw->info.bytes_per_frame; |
1105 | size_t decr, proc; | |
ff095e52 | 1106 | void *buf = hw->pcm_ops->get_buffer_out(hw, &size); |
4c3356f9 VR |
1107 | |
1108 | if (size == 0) { | |
fb35c2ce | 1109 | break; |
ff095e52 KZ |
1110 | } |
1111 | ||
2b9cce8c | 1112 | decr = MIN(size / hw->info.bytes_per_frame, live); |
4c3356f9 VR |
1113 | if (buf) { |
1114 | audio_pcm_hw_clip_out(hw, buf, decr); | |
1115 | } | |
2b9cce8c KZ |
1116 | proc = hw->pcm_ops->put_buffer_out(hw, buf, |
1117 | decr * hw->info.bytes_per_frame) / | |
1118 | hw->info.bytes_per_frame; | |
ff095e52 KZ |
1119 | |
1120 | live -= proc; | |
1121 | clipped += proc; | |
8dbd3d17 | 1122 | hw->mix_buf.pos = (hw->mix_buf.pos + proc) % hw->mix_buf.size; |
ff095e52 KZ |
1123 | |
1124 | if (proc == 0 || proc < decr) { | |
1125 | break; | |
1126 | } | |
1127 | } | |
1128 | ||
fdc8c5f4 VR |
1129 | if (hw->pcm_ops->run_buffer_out) { |
1130 | hw->pcm_ops->run_buffer_out(hw); | |
1131 | } | |
1132 | ||
ff095e52 KZ |
1133 | return clipped; |
1134 | } | |
1135 | ||
c0fe3827 | 1136 | static void audio_run_out (AudioState *s) |
1d14ffa9 FB |
1137 | { |
1138 | HWVoiceOut *hw = NULL; | |
1139 | SWVoiceOut *sw; | |
1140 | ||
4d31ff32 VR |
1141 | while ((hw = audio_pcm_hw_find_any_enabled_out(s, hw))) { |
1142 | size_t played, live, prev_rpos; | |
1143 | size_t hw_free = audio_pcm_hw_get_free(hw); | |
1144 | int nb_live; | |
1145 | ||
1146 | if (!audio_get_pdo_out(s->dev)->mixing_engine) { | |
1930616b KZ |
1147 | /* there is exactly 1 sw for each hw with no mixeng */ |
1148 | sw = hw->sw_head.lh_first; | |
1149 | ||
1150 | if (hw->pending_disable) { | |
1151 | hw->enabled = 0; | |
1152 | hw->pending_disable = 0; | |
1153 | if (hw->pcm_ops->enable_out) { | |
1154 | hw->pcm_ops->enable_out(hw, false); | |
1155 | } | |
1156 | } | |
1157 | ||
1158 | if (sw->active) { | |
7099a6a2 VR |
1159 | sw->callback.fn(sw->callback.opaque, |
1160 | hw_free * sw->info.bytes_per_frame); | |
1930616b | 1161 | } |
1930616b | 1162 | |
dd052dbf VR |
1163 | if (hw->pcm_ops->run_buffer_out) { |
1164 | hw->pcm_ops->run_buffer_out(hw); | |
1165 | } | |
1166 | ||
4d31ff32 VR |
1167 | continue; |
1168 | } | |
1d14ffa9 | 1169 | |
a806f959 VR |
1170 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { |
1171 | if (sw->active) { | |
9833438e VR |
1172 | size_t sw_free = audio_get_free(sw); |
1173 | size_t free; | |
1174 | ||
1175 | if (hw_free > sw->total_hw_samples_mixed) { | |
1a01df3d | 1176 | free = st_rate_frames_in(sw->rate, |
9833438e VR |
1177 | MIN(sw_free, hw_free - sw->total_hw_samples_mixed)); |
1178 | } else { | |
1179 | free = 0; | |
1180 | } | |
e1e6a6fc VR |
1181 | if (free > sw->resample_buf.pos) { |
1182 | free = MIN(free, sw->resample_buf.size) | |
1183 | - sw->resample_buf.pos; | |
c4e59264 VR |
1184 | sw->callback.fn(sw->callback.opaque, |
1185 | free * sw->info.bytes_per_frame); | |
a806f959 VR |
1186 | } |
1187 | } | |
1188 | } | |
1189 | ||
bdff253c | 1190 | live = audio_pcm_hw_get_live_out (hw, &nb_live); |
1d14ffa9 FB |
1191 | if (!nb_live) { |
1192 | live = 0; | |
1193 | } | |
c0fe3827 | 1194 | |
8dbd3d17 VR |
1195 | if (audio_bug(__func__, live > hw->mix_buf.size)) { |
1196 | dolog("live=%zu hw->mix_buf.size=%zu\n", live, hw->mix_buf.size); | |
12f4abf6 | 1197 | continue; |
1d14ffa9 FB |
1198 | } |
1199 | ||
1200 | if (hw->pending_disable && !nb_live) { | |
ec36b695 | 1201 | SWVoiceCap *sc; |
1d14ffa9 FB |
1202 | #ifdef DEBUG_OUT |
1203 | dolog ("Disabling voice\n"); | |
85571bc7 | 1204 | #endif |
1d14ffa9 FB |
1205 | hw->enabled = 0; |
1206 | hw->pending_disable = 0; | |
571a8c52 KZ |
1207 | if (hw->pcm_ops->enable_out) { |
1208 | hw->pcm_ops->enable_out(hw, false); | |
1209 | } | |
ec36b695 FB |
1210 | for (sc = hw->cap_head.lh_first; sc; sc = sc->entries.le_next) { |
1211 | sc->sw.active = 0; | |
1212 | audio_recalc_and_notify_capture (sc->cap); | |
8ead62cf | 1213 | } |
1d14ffa9 FB |
1214 | continue; |
1215 | } | |
1216 | ||
1217 | if (!live) { | |
a8a98cfd VR |
1218 | if (hw->pcm_ops->run_buffer_out) { |
1219 | hw->pcm_ops->run_buffer_out(hw); | |
1220 | } | |
1d14ffa9 FB |
1221 | continue; |
1222 | } | |
1223 | ||
8dbd3d17 | 1224 | prev_rpos = hw->mix_buf.pos; |
3f5bbfc2 | 1225 | played = audio_pcm_hw_run_out(hw, live); |
3d4d16f4 | 1226 | replay_audio_out(&played); |
8dbd3d17 VR |
1227 | if (audio_bug(__func__, hw->mix_buf.pos >= hw->mix_buf.size)) { |
1228 | dolog("hw->mix_buf.pos=%zu hw->mix_buf.size=%zu played=%zu\n", | |
1229 | hw->mix_buf.pos, hw->mix_buf.size, played); | |
1230 | hw->mix_buf.pos = 0; | |
1d14ffa9 FB |
1231 | } |
1232 | ||
1233 | #ifdef DEBUG_OUT | |
7520462b | 1234 | dolog("played=%zu\n", played); |
85571bc7 | 1235 | #endif |
1d14ffa9 FB |
1236 | |
1237 | if (played) { | |
1238 | hw->ts_helper += played; | |
8ead62cf | 1239 | audio_capture_mix_and_clear (hw, prev_rpos, played); |
1d14ffa9 FB |
1240 | } |
1241 | ||
1242 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { | |
1d14ffa9 FB |
1243 | if (!sw->active && sw->empty) { |
1244 | continue; | |
1245 | } | |
1246 | ||
470bcabd | 1247 | if (audio_bug(__func__, played > sw->total_hw_samples_mixed)) { |
7520462b KZ |
1248 | dolog("played=%zu sw->total_hw_samples_mixed=%zu\n", |
1249 | played, sw->total_hw_samples_mixed); | |
12f4abf6 | 1250 | played = sw->total_hw_samples_mixed; |
1d14ffa9 FB |
1251 | } |
1252 | ||
1253 | sw->total_hw_samples_mixed -= played; | |
1254 | ||
1255 | if (!sw->total_hw_samples_mixed) { | |
1256 | sw->empty = 1; | |
1d14ffa9 | 1257 | } |
1d14ffa9 FB |
1258 | } |
1259 | } | |
1260 | } | |
1261 | ||
ff095e52 KZ |
1262 | static size_t audio_pcm_hw_run_in(HWVoiceIn *hw, size_t samples) |
1263 | { | |
1264 | size_t conv = 0; | |
1265 | ||
a2893c83 VR |
1266 | if (hw->pcm_ops->run_buffer_in) { |
1267 | hw->pcm_ops->run_buffer_in(hw); | |
1268 | } | |
1269 | ||
ff095e52 KZ |
1270 | while (samples) { |
1271 | size_t proc; | |
2b9cce8c | 1272 | size_t size = samples * hw->info.bytes_per_frame; |
ff095e52 KZ |
1273 | void *buf = hw->pcm_ops->get_buffer_in(hw, &size); |
1274 | ||
2b9cce8c | 1275 | assert(size % hw->info.bytes_per_frame == 0); |
ff095e52 | 1276 | if (size == 0) { |
ff095e52 KZ |
1277 | break; |
1278 | } | |
1279 | ||
251f1549 | 1280 | proc = audio_pcm_hw_conv_in(hw, buf, size / hw->info.bytes_per_frame); |
ff095e52 KZ |
1281 | |
1282 | samples -= proc; | |
1283 | conv += proc; | |
2b9cce8c | 1284 | hw->pcm_ops->put_buffer_in(hw, buf, proc * hw->info.bytes_per_frame); |
ff095e52 KZ |
1285 | } |
1286 | ||
1287 | return conv; | |
1288 | } | |
1289 | ||
c0fe3827 | 1290 | static void audio_run_in (AudioState *s) |
1d14ffa9 FB |
1291 | { |
1292 | HWVoiceIn *hw = NULL; | |
1293 | ||
1930616b KZ |
1294 | if (!audio_get_pdo_in(s->dev)->mixing_engine) { |
1295 | while ((hw = audio_pcm_hw_find_any_enabled_in(s, hw))) { | |
1296 | /* there is exactly 1 sw for each hw with no mixeng */ | |
1297 | SWVoiceIn *sw = hw->sw_head.lh_first; | |
1298 | if (sw->active) { | |
1299 | sw->callback.fn(sw->callback.opaque, INT_MAX); | |
1300 | } | |
1301 | } | |
1302 | return; | |
1303 | } | |
1304 | ||
526fb058 | 1305 | while ((hw = audio_pcm_hw_find_any_enabled_in(s, hw))) { |
1d14ffa9 | 1306 | SWVoiceIn *sw; |
7520462b | 1307 | size_t captured = 0, min; |
1d14ffa9 | 1308 | |
3d4d16f4 | 1309 | if (replay_mode != REPLAY_MODE_PLAY) { |
3f5bbfc2 | 1310 | captured = audio_pcm_hw_run_in( |
8dbd3d17 | 1311 | hw, hw->conv_buf.size - audio_pcm_hw_get_live_in(hw)); |
3d4d16f4 | 1312 | } |
8dbd3d17 VR |
1313 | replay_audio_in(&captured, hw->conv_buf.buffer, &hw->conv_buf.pos, |
1314 | hw->conv_buf.size); | |
1d14ffa9 FB |
1315 | |
1316 | min = audio_pcm_hw_find_min_in (hw); | |
1317 | hw->total_samples_captured += captured - min; | |
1318 | hw->ts_helper += captured; | |
1319 | ||
1320 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { | |
1321 | sw->total_hw_samples_acquired -= min; | |
1322 | ||
1323 | if (sw->active) { | |
0724c579 | 1324 | size_t sw_avail = audio_get_avail(sw); |
7520462b | 1325 | size_t avail; |
1d14ffa9 | 1326 | |
a9ea5678 | 1327 | avail = st_rate_frames_out(sw->rate, sw_avail); |
1d14ffa9 | 1328 | if (avail > 0) { |
a9ea5678 | 1329 | avail = MIN(avail, sw->resample_buf.size); |
0724c579 VR |
1330 | sw->callback.fn(sw->callback.opaque, |
1331 | avail * sw->info.bytes_per_frame); | |
1d14ffa9 FB |
1332 | } |
1333 | } | |
1334 | } | |
1335 | } | |
1336 | } | |
1337 | ||
8ead62cf FB |
1338 | static void audio_run_capture (AudioState *s) |
1339 | { | |
1340 | CaptureVoiceOut *cap; | |
1341 | ||
1342 | for (cap = s->cap_head.lh_first; cap; cap = cap->entries.le_next) { | |
7520462b | 1343 | size_t live, rpos, captured; |
8ead62cf FB |
1344 | HWVoiceOut *hw = &cap->hw; |
1345 | SWVoiceOut *sw; | |
1346 | ||
bdff253c | 1347 | captured = live = audio_pcm_hw_get_live_out (hw, NULL); |
8dbd3d17 | 1348 | rpos = hw->mix_buf.pos; |
8ead62cf | 1349 | while (live) { |
8dbd3d17 | 1350 | size_t left = hw->mix_buf.size - rpos; |
7520462b | 1351 | size_t to_capture = MIN(live, left); |
1ea879e5 | 1352 | struct st_sample *src; |
8ead62cf FB |
1353 | struct capture_callback *cb; |
1354 | ||
8dbd3d17 | 1355 | src = hw->mix_buf.buffer + rpos; |
8ead62cf FB |
1356 | hw->clip (cap->buf, src, to_capture); |
1357 | mixeng_clear (src, to_capture); | |
1358 | ||
1359 | for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) { | |
1360 | cb->ops.capture (cb->opaque, cap->buf, | |
2b9cce8c | 1361 | to_capture * hw->info.bytes_per_frame); |
8ead62cf | 1362 | } |
8dbd3d17 | 1363 | rpos = (rpos + to_capture) % hw->mix_buf.size; |
8ead62cf FB |
1364 | live -= to_capture; |
1365 | } | |
8dbd3d17 | 1366 | hw->mix_buf.pos = rpos; |
8ead62cf FB |
1367 | |
1368 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { | |
1369 | if (!sw->active && sw->empty) { | |
1370 | continue; | |
1371 | } | |
1372 | ||
470bcabd | 1373 | if (audio_bug(__func__, captured > sw->total_hw_samples_mixed)) { |
7520462b KZ |
1374 | dolog("captured=%zu sw->total_hw_samples_mixed=%zu\n", |
1375 | captured, sw->total_hw_samples_mixed); | |
12f4abf6 | 1376 | captured = sw->total_hw_samples_mixed; |
8ead62cf FB |
1377 | } |
1378 | ||
1379 | sw->total_hw_samples_mixed -= captured; | |
1380 | sw->empty = sw->total_hw_samples_mixed == 0; | |
1381 | } | |
1382 | } | |
1383 | } | |
1384 | ||
18e2c177 | 1385 | void audio_run(AudioState *s, const char *msg) |
571ec3d6 | 1386 | { |
18e2c177 KZ |
1387 | audio_run_out(s); |
1388 | audio_run_in(s); | |
1389 | audio_run_capture(s); | |
571ec3d6 | 1390 | |
713a98f8 | 1391 | #ifdef DEBUG_POLL |
1392 | { | |
1393 | static double prevtime; | |
1394 | double currtime; | |
1395 | struct timeval tv; | |
571ec3d6 | 1396 | |
713a98f8 | 1397 | if (gettimeofday (&tv, NULL)) { |
1398 | perror ("audio_run: gettimeofday"); | |
1399 | return; | |
1400 | } | |
1401 | ||
1402 | currtime = tv.tv_sec + tv.tv_usec * 1e-6; | |
1403 | dolog ("Elapsed since last %s: %f\n", msg, currtime - prevtime); | |
1404 | prevtime = currtime; | |
1405 | } | |
1406 | #endif | |
571ec3d6 FB |
1407 | } |
1408 | ||
a2893c83 | 1409 | void audio_generic_run_buffer_in(HWVoiceIn *hw) |
ff095e52 | 1410 | { |
ff095e52 | 1411 | if (unlikely(!hw->buf_emul)) { |
1d8549ad VR |
1412 | hw->size_emul = hw->samples * hw->info.bytes_per_frame; |
1413 | hw->buf_emul = g_malloc(hw->size_emul); | |
ff095e52 KZ |
1414 | hw->pos_emul = hw->pending_emul = 0; |
1415 | } | |
1416 | ||
1417 | while (hw->pending_emul < hw->size_emul) { | |
1418 | size_t read_len = MIN(hw->size_emul - hw->pos_emul, | |
1419 | hw->size_emul - hw->pending_emul); | |
1420 | size_t read = hw->pcm_ops->read(hw, hw->buf_emul + hw->pos_emul, | |
1421 | read_len); | |
1422 | hw->pending_emul += read; | |
7ffc90f3 | 1423 | hw->pos_emul = (hw->pos_emul + read) % hw->size_emul; |
ff095e52 KZ |
1424 | if (read < read_len) { |
1425 | break; | |
1426 | } | |
1427 | } | |
a2893c83 VR |
1428 | } |
1429 | ||
1430 | void *audio_generic_get_buffer_in(HWVoiceIn *hw, size_t *size) | |
1431 | { | |
18404ff1 | 1432 | size_t start; |
ff095e52 | 1433 | |
18404ff1 VR |
1434 | start = audio_ring_posb(hw->pos_emul, hw->pending_emul, hw->size_emul); |
1435 | assert(start < hw->size_emul); | |
ff095e52 | 1436 | |
599eac4e VR |
1437 | *size = MIN(*size, hw->pending_emul); |
1438 | *size = MIN(*size, hw->size_emul - start); | |
ff095e52 KZ |
1439 | return hw->buf_emul + start; |
1440 | } | |
1441 | ||
1442 | void audio_generic_put_buffer_in(HWVoiceIn *hw, void *buf, size_t size) | |
1443 | { | |
1444 | assert(size <= hw->pending_emul); | |
1445 | hw->pending_emul -= size; | |
1446 | } | |
1447 | ||
9833438e VR |
1448 | size_t audio_generic_buffer_get_free(HWVoiceOut *hw) |
1449 | { | |
1450 | if (hw->buf_emul) { | |
1451 | return hw->size_emul - hw->pending_emul; | |
1452 | } else { | |
1453 | return hw->samples * hw->info.bytes_per_frame; | |
1454 | } | |
1455 | } | |
1456 | ||
fdc8c5f4 VR |
1457 | void audio_generic_run_buffer_out(HWVoiceOut *hw) |
1458 | { | |
1459 | while (hw->pending_emul) { | |
18404ff1 | 1460 | size_t write_len, written, start; |
fdc8c5f4 | 1461 | |
18404ff1 VR |
1462 | start = audio_ring_posb(hw->pos_emul, hw->pending_emul, hw->size_emul); |
1463 | assert(start < hw->size_emul); | |
fdc8c5f4 VR |
1464 | |
1465 | write_len = MIN(hw->pending_emul, hw->size_emul - start); | |
1466 | ||
1467 | written = hw->pcm_ops->write(hw, hw->buf_emul + start, write_len); | |
1468 | hw->pending_emul -= written; | |
1469 | ||
1470 | if (written < write_len) { | |
1471 | break; | |
1472 | } | |
1473 | } | |
1474 | } | |
1475 | ||
ff095e52 KZ |
1476 | void *audio_generic_get_buffer_out(HWVoiceOut *hw, size_t *size) |
1477 | { | |
1478 | if (unlikely(!hw->buf_emul)) { | |
1d8549ad VR |
1479 | hw->size_emul = hw->samples * hw->info.bytes_per_frame; |
1480 | hw->buf_emul = g_malloc(hw->size_emul); | |
ff095e52 KZ |
1481 | hw->pos_emul = hw->pending_emul = 0; |
1482 | } | |
1483 | ||
1484 | *size = MIN(hw->size_emul - hw->pending_emul, | |
1485 | hw->size_emul - hw->pos_emul); | |
1486 | return hw->buf_emul + hw->pos_emul; | |
1487 | } | |
1488 | ||
fdc8c5f4 | 1489 | size_t audio_generic_put_buffer_out(HWVoiceOut *hw, void *buf, size_t size) |
ff095e52 KZ |
1490 | { |
1491 | assert(buf == hw->buf_emul + hw->pos_emul && | |
1492 | size + hw->pending_emul <= hw->size_emul); | |
1493 | ||
1494 | hw->pending_emul += size; | |
1495 | hw->pos_emul = (hw->pos_emul + size) % hw->size_emul; | |
1496 | ||
1497 | return size; | |
1498 | } | |
1499 | ||
ff095e52 KZ |
1500 | size_t audio_generic_write(HWVoiceOut *hw, void *buf, size_t size) |
1501 | { | |
2d882307 VR |
1502 | size_t total = 0; |
1503 | ||
9833438e VR |
1504 | if (hw->pcm_ops->buffer_get_free) { |
1505 | size_t free = hw->pcm_ops->buffer_get_free(hw); | |
1506 | ||
1507 | size = MIN(size, free); | |
1508 | } | |
1509 | ||
2d882307 VR |
1510 | while (total < size) { |
1511 | size_t dst_size = size - total; | |
1512 | size_t copy_size, proc; | |
1513 | void *dst = hw->pcm_ops->get_buffer_out(hw, &dst_size); | |
ff095e52 | 1514 | |
2d882307 VR |
1515 | if (dst_size == 0) { |
1516 | break; | |
1517 | } | |
1518 | ||
1519 | copy_size = MIN(size - total, dst_size); | |
1520 | if (dst) { | |
1521 | memcpy(dst, (char *)buf + total, copy_size); | |
1522 | } | |
1523 | proc = hw->pcm_ops->put_buffer_out(hw, dst, copy_size); | |
1524 | total += proc; | |
1525 | ||
1526 | if (proc == 0 || proc < copy_size) { | |
1527 | break; | |
1528 | } | |
1529 | } | |
1530 | ||
2d882307 | 1531 | return total; |
ff095e52 KZ |
1532 | } |
1533 | ||
1534 | size_t audio_generic_read(HWVoiceIn *hw, void *buf, size_t size) | |
1535 | { | |
b9896dc5 | 1536 | size_t total = 0; |
ff095e52 | 1537 | |
a2893c83 VR |
1538 | if (hw->pcm_ops->run_buffer_in) { |
1539 | hw->pcm_ops->run_buffer_in(hw); | |
1540 | } | |
1541 | ||
b9896dc5 VR |
1542 | while (total < size) { |
1543 | size_t src_size = size - total; | |
1544 | void *src = hw->pcm_ops->get_buffer_in(hw, &src_size); | |
ff095e52 | 1545 | |
b9896dc5 | 1546 | if (src_size == 0) { |
b9896dc5 VR |
1547 | break; |
1548 | } | |
1549 | ||
1550 | memcpy((char *)buf + total, src, src_size); | |
1551 | hw->pcm_ops->put_buffer_in(hw, src, src_size); | |
1552 | total += src_size; | |
1553 | } | |
1554 | ||
1555 | return total; | |
8d1439b6 | 1556 | } |
ff095e52 | 1557 | |
71830221 | 1558 | static int audio_driver_init(AudioState *s, struct audio_driver *drv, |
cb94ff5f | 1559 | Audiodev *dev, Error **errp) |
85571bc7 | 1560 | { |
f6061733 PB |
1561 | Error *local_err = NULL; |
1562 | ||
1563 | s->drv_opaque = drv->init(dev, &local_err); | |
1d14ffa9 | 1564 | |
c0fe3827 | 1565 | if (s->drv_opaque) { |
ff095e52 KZ |
1566 | if (!drv->pcm_ops->get_buffer_in) { |
1567 | drv->pcm_ops->get_buffer_in = audio_generic_get_buffer_in; | |
1568 | drv->pcm_ops->put_buffer_in = audio_generic_put_buffer_in; | |
1569 | } | |
1570 | if (!drv->pcm_ops->get_buffer_out) { | |
1571 | drv->pcm_ops->get_buffer_out = audio_generic_get_buffer_out; | |
1572 | drv->pcm_ops->put_buffer_out = audio_generic_put_buffer_out; | |
1573 | } | |
1574 | ||
5c63d141 PB |
1575 | audio_init_nb_voices_out(s, drv, 1); |
1576 | audio_init_nb_voices_in(s, drv, 0); | |
c0fe3827 | 1577 | s->drv = drv; |
1d14ffa9 | 1578 | return 0; |
6c6886bd | 1579 | } else { |
cb94ff5f MK |
1580 | if (local_err) { |
1581 | error_propagate(errp, local_err); | |
f6061733 | 1582 | } else { |
cb94ff5f | 1583 | error_setg(errp, "Could not init `%s' audio driver", drv->name); |
fb37ce92 | 1584 | } |
1d14ffa9 | 1585 | return -1; |
85571bc7 FB |
1586 | } |
1587 | } | |
1588 | ||
538f0497 | 1589 | static void audio_vm_change_state_handler (void *opaque, bool running, |
1dfb4dd9 | 1590 | RunState state) |
85571bc7 | 1591 | { |
c0fe3827 | 1592 | AudioState *s = opaque; |
1d14ffa9 FB |
1593 | HWVoiceOut *hwo = NULL; |
1594 | HWVoiceIn *hwi = NULL; | |
1d14ffa9 | 1595 | |
978dd635 | 1596 | s->vm_running = running; |
526fb058 | 1597 | while ((hwo = audio_pcm_hw_find_any_enabled_out(s, hwo))) { |
571a8c52 KZ |
1598 | if (hwo->pcm_ops->enable_out) { |
1599 | hwo->pcm_ops->enable_out(hwo, running); | |
1600 | } | |
1d14ffa9 | 1601 | } |
85571bc7 | 1602 | |
526fb058 | 1603 | while ((hwi = audio_pcm_hw_find_any_enabled_in(s, hwi))) { |
571a8c52 KZ |
1604 | if (hwi->pcm_ops->enable_in) { |
1605 | hwi->pcm_ops->enable_in(hwi, running); | |
1606 | } | |
85571bc7 | 1607 | } |
39deb1e4 | 1608 | audio_reset_timer (s); |
85571bc7 FB |
1609 | } |
1610 | ||
ecd97e95 | 1611 | static void free_audio_state(AudioState *s) |
85571bc7 | 1612 | { |
a384c205 MAL |
1613 | HWVoiceOut *hwo, *hwon; |
1614 | HWVoiceIn *hwi, *hwin; | |
1d14ffa9 | 1615 | |
526fb058 | 1616 | QLIST_FOREACH_SAFE(hwo, &s->hw_head_out, entries, hwon) { |
ec36b695 | 1617 | SWVoiceCap *sc; |
8ead62cf | 1618 | |
571a8c52 KZ |
1619 | if (hwo->enabled && hwo->pcm_ops->enable_out) { |
1620 | hwo->pcm_ops->enable_out(hwo, false); | |
aeb29b64 | 1621 | } |
1d14ffa9 | 1622 | hwo->pcm_ops->fini_out (hwo); |
8ead62cf | 1623 | |
ec36b695 FB |
1624 | for (sc = hwo->cap_head.lh_first; sc; sc = sc->entries.le_next) { |
1625 | CaptureVoiceOut *cap = sc->cap; | |
1626 | struct capture_callback *cb; | |
1627 | ||
1628 | for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) { | |
1629 | cb->ops.destroy (cb->opaque); | |
1630 | } | |
8ead62cf | 1631 | } |
a384c205 | 1632 | QLIST_REMOVE(hwo, entries); |
1d14ffa9 | 1633 | } |
85571bc7 | 1634 | |
526fb058 | 1635 | QLIST_FOREACH_SAFE(hwi, &s->hw_head_in, entries, hwin) { |
571a8c52 KZ |
1636 | if (hwi->enabled && hwi->pcm_ops->enable_in) { |
1637 | hwi->pcm_ops->enable_in(hwi, false); | |
aeb29b64 | 1638 | } |
1d14ffa9 | 1639 | hwi->pcm_ops->fini_in (hwi); |
a384c205 | 1640 | QLIST_REMOVE(hwi, entries); |
85571bc7 | 1641 | } |
c0fe3827 FB |
1642 | |
1643 | if (s->drv) { | |
1644 | s->drv->fini (s->drv_opaque); | |
a384c205 | 1645 | s->drv = NULL; |
c0fe3827 | 1646 | } |
71830221 KZ |
1647 | |
1648 | if (s->dev) { | |
1649 | qapi_free_Audiodev(s->dev); | |
1650 | s->dev = NULL; | |
1651 | } | |
e76ba19a KZ |
1652 | |
1653 | if (s->ts) { | |
1654 | timer_free(s->ts); | |
1655 | s->ts = NULL; | |
1656 | } | |
1657 | ||
ecd97e95 KZ |
1658 | g_free(s); |
1659 | } | |
1660 | ||
1661 | void audio_cleanup(void) | |
1662 | { | |
ecd97e95 KZ |
1663 | while (!QTAILQ_EMPTY(&audio_states)) { |
1664 | AudioState *s = QTAILQ_FIRST(&audio_states); | |
1665 | QTAILQ_REMOVE(&audio_states, s, list); | |
1666 | free_audio_state(s); | |
1667 | } | |
85571bc7 FB |
1668 | } |
1669 | ||
da77adba DDAG |
1670 | static bool vmstate_audio_needed(void *opaque) |
1671 | { | |
1672 | /* | |
1673 | * Never needed, this vmstate only exists in case | |
1674 | * an old qemu sends it to us. | |
1675 | */ | |
1676 | return false; | |
1677 | } | |
1678 | ||
d959fce9 JQ |
1679 | static const VMStateDescription vmstate_audio = { |
1680 | .name = "audio", | |
1681 | .version_id = 1, | |
1682 | .minimum_version_id = 1, | |
da77adba | 1683 | .needed = vmstate_audio_needed, |
35d08458 | 1684 | .fields = (VMStateField[]) { |
d959fce9 | 1685 | VMSTATE_END_OF_LIST() |
1d14ffa9 | 1686 | } |
d959fce9 | 1687 | }; |
85571bc7 | 1688 | |
71830221 KZ |
1689 | static void audio_validate_opts(Audiodev *dev, Error **errp); |
1690 | ||
69a80279 | 1691 | static void audio_create_default_audiodevs(void) |
71830221 | 1692 | { |
69a80279 PB |
1693 | const char *drvname = getenv("QEMU_AUDIO_DRV"); |
1694 | ||
9f8cf356 PB |
1695 | if (!defaults_enabled()) { |
1696 | return; | |
1697 | } | |
1698 | ||
69a80279 PB |
1699 | /* QEMU_AUDIO_DRV=none is used by libqtest. */ |
1700 | if (drvname && !g_str_equal(drvname, "none")) { | |
1701 | error_report("Please use -audiodev instead of QEMU_AUDIO_*"); | |
1702 | exit(1); | |
71830221 KZ |
1703 | } |
1704 | ||
69a80279 PB |
1705 | for (int i = 0; audio_prio_list[i]; i++) { |
1706 | if (drvname && !g_str_equal(drvname, audio_prio_list[i])) { | |
1707 | continue; | |
1708 | } | |
1709 | ||
1710 | if (audio_driver_lookup(audio_prio_list[i])) { | |
1711 | QDict *dict = qdict_new(); | |
1712 | Audiodev *dev = NULL; | |
1713 | AudiodevListEntry *e; | |
1714 | Visitor *v; | |
1715 | ||
1716 | qdict_put_str(dict, "driver", audio_prio_list[i]); | |
1717 | qdict_put_str(dict, "id", "#default"); | |
1718 | ||
1719 | v = qobject_input_visitor_new_keyval(QOBJECT(dict)); | |
1720 | qobject_unref(dict); | |
1721 | visit_type_Audiodev(v, NULL, &dev, &error_fatal); | |
1722 | visit_free(v); | |
1723 | ||
1724 | audio_validate_opts(dev, &error_abort); | |
1725 | e = g_new0(AudiodevListEntry, 1); | |
1726 | e->dev = dev; | |
1727 | QSIMPLEQ_INSERT_TAIL(&default_audiodevs, e, next); | |
1728 | } | |
1729 | } | |
71830221 KZ |
1730 | } |
1731 | ||
ecd97e95 KZ |
1732 | /* |
1733 | * if we have dev, this function was called because of an -audiodev argument => | |
1734 | * initialize a new state with it | |
1735 | * if dev == NULL => legacy implicit initialization, return the already created | |
1736 | * state or create a new one | |
1737 | */ | |
cb94ff5f | 1738 | static AudioState *audio_init(Audiodev *dev, Error **errp) |
85571bc7 | 1739 | { |
ecd97e95 | 1740 | static bool atexit_registered; |
85571bc7 | 1741 | int done = 0; |
e3299631 | 1742 | const char *drvname; |
417f8c8e | 1743 | VMChangeStateEntry *vmse; |
ecd97e95 | 1744 | AudioState *s; |
d3893a39 | 1745 | struct audio_driver *driver; |
f0c4555e | 1746 | |
b21e2380 | 1747 | s = g_new0(AudioState, 1); |
71830221 | 1748 | |
72cf2d4f BS |
1749 | QLIST_INIT (&s->hw_head_out); |
1750 | QLIST_INIT (&s->hw_head_in); | |
1751 | QLIST_INIT (&s->cap_head); | |
ecd97e95 KZ |
1752 | if (!atexit_registered) { |
1753 | atexit(audio_cleanup); | |
1754 | atexit_registered = true; | |
1755 | } | |
571ec3d6 | 1756 | |
bc72ad67 | 1757 | s->ts = timer_new_ns(QEMU_CLOCK_VIRTUAL, audio_timer, s); |
571ec3d6 | 1758 | |
e3299631 PB |
1759 | if (dev) { |
1760 | /* -audiodev option */ | |
1761 | s->dev = dev; | |
1762 | drvname = AudiodevDriver_str(dev->driver); | |
d3893a39 GH |
1763 | driver = audio_driver_lookup(drvname); |
1764 | if (driver) { | |
cb94ff5f | 1765 | done = !audio_driver_init(s, driver, dev, errp); |
d3893a39 | 1766 | } else { |
cb94ff5f | 1767 | error_setg(errp, "Unknown audio driver `%s'\n", drvname); |
85571bc7 | 1768 | } |
0f957c53 | 1769 | if (!done) { |
69a80279 | 1770 | goto out; |
0f957c53 | 1771 | } |
71830221 | 1772 | } else { |
69a80279 PB |
1773 | for (;;) { |
1774 | AudiodevListEntry *e = QSIMPLEQ_FIRST(&default_audiodevs); | |
1775 | if (!e) { | |
cb94ff5f | 1776 | error_setg(errp, "no default audio driver available"); |
69a80279 | 1777 | goto out; |
1d14ffa9 | 1778 | } |
69a80279 PB |
1779 | s->dev = dev = e->dev; |
1780 | drvname = AudiodevDriver_str(dev->driver); | |
1781 | driver = audio_driver_lookup(drvname); | |
cb94ff5f | 1782 | if (!audio_driver_init(s, driver, dev, NULL)) { |
69a80279 PB |
1783 | break; |
1784 | } | |
1785 | QSIMPLEQ_REMOVE_HEAD(&default_audiodevs, next); | |
85571bc7 | 1786 | } |
85571bc7 | 1787 | } |
1d14ffa9 | 1788 | |
71830221 KZ |
1789 | if (dev->timer_period <= 0) { |
1790 | s->period_ticks = 1; | |
0d9acba8 | 1791 | } else { |
40ad46d3 | 1792 | s->period_ticks = dev->timer_period * (int64_t)SCALE_US; |
1d14ffa9 | 1793 | } |
0d9acba8 | 1794 | |
417f8c8e PB |
1795 | vmse = qemu_add_vm_change_state_handler (audio_vm_change_state_handler, s); |
1796 | if (!vmse) { | |
0d9acba8 PB |
1797 | dolog ("warning: Could not register change state handler\n" |
1798 | "(Audio can continue looping even after stopping the VM)\n"); | |
1d14ffa9 FB |
1799 | } |
1800 | ||
0f957c53 | 1801 | QTAILQ_INSERT_TAIL(&audio_states, s, list); |
72cf2d4f | 1802 | QLIST_INIT (&s->card_head); |
0be71e32 | 1803 | vmstate_register (NULL, 0, &vmstate_audio, s); |
ecd97e95 | 1804 | return s; |
71830221 | 1805 | |
69a80279 PB |
1806 | out: |
1807 | free_audio_state(s); | |
1808 | return NULL; | |
85571bc7 | 1809 | } |
8ead62cf | 1810 | |
cb94ff5f | 1811 | bool AUD_register_card (const char *name, QEMUSoundCard *card, Error **errp) |
1a7dafce | 1812 | { |
ecd97e95 | 1813 | if (!card->state) { |
e3299631 | 1814 | if (!QTAILQ_EMPTY(&audio_states)) { |
9f8cf356 PB |
1815 | /* |
1816 | * FIXME: once it is possible to create an arbitrary | |
1817 | * default device via -audio DRIVER,OPT=VALUE (no "model"), | |
1818 | * replace this special case with the default AudioState*, | |
1819 | * storing it in a separate global. For now, keep the | |
1820 | * warning to encourage moving off magic use of the first | |
1821 | * -audiodev. | |
1822 | */ | |
69a80279 | 1823 | if (QSIMPLEQ_EMPTY(&default_audiodevs)) { |
e3299631 PB |
1824 | dolog("Device %s: audiodev default parameter is deprecated, please " |
1825 | "specify audiodev=%s\n", name, | |
1826 | QTAILQ_FIRST(&audio_states)->dev->id); | |
1827 | } | |
1828 | card->state = QTAILQ_FIRST(&audio_states); | |
1829 | } else { | |
69a80279 PB |
1830 | if (QSIMPLEQ_EMPTY(&default_audiodevs)) { |
1831 | audio_create_default_audiodevs(); | |
1832 | } | |
cb94ff5f MK |
1833 | card->state = audio_init(NULL, errp); |
1834 | if (!card->state) { | |
9f8cf356 PB |
1835 | if (!QSIMPLEQ_EMPTY(&audiodevs)) { |
1836 | error_append_hint(errp, "Perhaps you wanted to set audiodev=%s?", | |
1837 | QSIMPLEQ_FIRST(&audiodevs)->dev->id); | |
1838 | } | |
cb94ff5f MK |
1839 | return false; |
1840 | } | |
e3299631 | 1841 | } |
ecd97e95 KZ |
1842 | } |
1843 | ||
7267c094 | 1844 | card->name = g_strdup (name); |
1a7dafce | 1845 | memset (&card->entries, 0, sizeof (card->entries)); |
ecd97e95 | 1846 | QLIST_INSERT_HEAD(&card->state->card_head, card, entries); |
cb94ff5f MK |
1847 | |
1848 | return true; | |
1a7dafce | 1849 | } |
1850 | ||
1851 | void AUD_remove_card (QEMUSoundCard *card) | |
1852 | { | |
72cf2d4f | 1853 | QLIST_REMOVE (card, entries); |
7267c094 | 1854 | g_free (card->name); |
1a7dafce | 1855 | } |
1856 | ||
33940dd3 | 1857 | static struct audio_pcm_ops capture_pcm_ops; |
1a7dafce | 1858 | |
ecd97e95 KZ |
1859 | CaptureVoiceOut *AUD_add_capture( |
1860 | AudioState *s, | |
1ea879e5 | 1861 | struct audsettings *as, |
8ead62cf FB |
1862 | struct audio_capture_ops *ops, |
1863 | void *cb_opaque | |
1864 | ) | |
1865 | { | |
1866 | CaptureVoiceOut *cap; | |
1867 | struct capture_callback *cb; | |
1868 | ||
ecd97e95 | 1869 | if (!s) { |
aaa6a6f9 MK |
1870 | error_report("Capturing without setting an audiodev is not supported"); |
1871 | abort(); | |
ecd97e95 KZ |
1872 | } |
1873 | ||
1930616b KZ |
1874 | if (!audio_get_pdo_out(s->dev)->mixing_engine) { |
1875 | dolog("Can't capture with mixeng disabled\n"); | |
1876 | return NULL; | |
1877 | } | |
1878 | ||
ec36b695 | 1879 | if (audio_validate_settings (as)) { |
8ead62cf FB |
1880 | dolog ("Invalid settings were passed when trying to add capture\n"); |
1881 | audio_print_settings (as); | |
e8d85444 | 1882 | return NULL; |
8ead62cf FB |
1883 | } |
1884 | ||
e8d85444 | 1885 | cb = g_malloc0(sizeof(*cb)); |
8ead62cf FB |
1886 | cb->ops = *ops; |
1887 | cb->opaque = cb_opaque; | |
1888 | ||
526fb058 | 1889 | cap = audio_pcm_capture_find_specific(s, as); |
8ead62cf | 1890 | if (cap) { |
72cf2d4f | 1891 | QLIST_INSERT_HEAD (&cap->cb_head, cb, entries); |
6c6886bd | 1892 | } else { |
8ead62cf | 1893 | HWVoiceOut *hw; |
8ead62cf | 1894 | |
e8d85444 | 1895 | cap = g_malloc0(sizeof(*cap)); |
8ead62cf FB |
1896 | |
1897 | hw = &cap->hw; | |
526fb058 | 1898 | hw->s = s; |
33940dd3 | 1899 | hw->pcm_ops = &capture_pcm_ops; |
72cf2d4f BS |
1900 | QLIST_INIT (&hw->sw_head); |
1901 | QLIST_INIT (&cap->cb_head); | |
8ead62cf FB |
1902 | |
1903 | /* XXX find a more elegant way */ | |
1904 | hw->samples = 4096 * 4; | |
dc88e38f | 1905 | audio_pcm_hw_alloc_resources_out(hw); |
8ead62cf | 1906 | |
d929eba5 | 1907 | audio_pcm_init_info (&hw->info, as); |
8ead62cf | 1908 | |
8dbd3d17 | 1909 | cap->buf = g_malloc0_n(hw->mix_buf.size, hw->info.bytes_per_frame); |
8ead62cf | 1910 | |
ed2a4a79 KZ |
1911 | if (hw->info.is_float) { |
1912 | hw->clip = mixeng_clip_float[hw->info.nchannels == 2]; | |
1913 | } else { | |
1914 | hw->clip = mixeng_clip | |
1915 | [hw->info.nchannels == 2] | |
1916 | [hw->info.is_signed] | |
1917 | [hw->info.swap_endianness] | |
1918 | [audio_bits_to_index(hw->info.bits)]; | |
1919 | } | |
8ead62cf | 1920 | |
72cf2d4f BS |
1921 | QLIST_INSERT_HEAD (&s->cap_head, cap, entries); |
1922 | QLIST_INSERT_HEAD (&cap->cb_head, cb, entries); | |
8ead62cf | 1923 | |
526fb058 | 1924 | QLIST_FOREACH(hw, &s->hw_head_out, entries) { |
1a7dafce | 1925 | audio_attach_capture (hw); |
8ead62cf | 1926 | } |
ec36b695 | 1927 | } |
417f8c8e PB |
1928 | |
1929 | return cap; | |
ec36b695 FB |
1930 | } |
1931 | ||
1932 | void AUD_del_capture (CaptureVoiceOut *cap, void *cb_opaque) | |
1933 | { | |
1934 | struct capture_callback *cb; | |
1935 | ||
1936 | for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) { | |
1937 | if (cb->opaque == cb_opaque) { | |
1938 | cb->ops.destroy (cb_opaque); | |
72cf2d4f | 1939 | QLIST_REMOVE (cb, entries); |
7267c094 | 1940 | g_free (cb); |
ec36b695 FB |
1941 | |
1942 | if (!cap->cb_head.lh_first) { | |
1943 | SWVoiceOut *sw = cap->hw.sw_head.lh_first, *sw1; | |
a3c25997 | 1944 | |
ec36b695 | 1945 | while (sw) { |
a3c25997 | 1946 | SWVoiceCap *sc = (SWVoiceCap *) sw; |
ec36b695 FB |
1947 | #ifdef DEBUG_CAPTURE |
1948 | dolog ("freeing %s\n", sw->name); | |
1949 | #endif | |
a3c25997 | 1950 | |
ec36b695 FB |
1951 | sw1 = sw->entries.le_next; |
1952 | if (sw->rate) { | |
1953 | st_rate_stop (sw->rate); | |
1954 | sw->rate = NULL; | |
1955 | } | |
72cf2d4f BS |
1956 | QLIST_REMOVE (sw, entries); |
1957 | QLIST_REMOVE (sc, entries); | |
7267c094 | 1958 | g_free (sc); |
ec36b695 FB |
1959 | sw = sw1; |
1960 | } | |
72cf2d4f | 1961 | QLIST_REMOVE (cap, entries); |
8dbd3d17 | 1962 | g_free(cap->hw.mix_buf.buffer); |
3268a845 | 1963 | g_free (cap->buf); |
7267c094 | 1964 | g_free (cap); |
ec36b695 FB |
1965 | } |
1966 | return; | |
1967 | } | |
8ead62cf FB |
1968 | } |
1969 | } | |
683efdcb AZ |
1970 | |
1971 | void AUD_set_volume_out (SWVoiceOut *sw, int mute, uint8_t lvol, uint8_t rvol) | |
cecc1e79 KZ |
1972 | { |
1973 | Volume vol = { .mute = mute, .channels = 2, .vol = { lvol, rvol } }; | |
1974 | audio_set_volume_out(sw, &vol); | |
1975 | } | |
1976 | ||
1977 | void audio_set_volume_out(SWVoiceOut *sw, Volume *vol) | |
683efdcb AZ |
1978 | { |
1979 | if (sw) { | |
6c95ab94 MAL |
1980 | HWVoiceOut *hw = sw->hw; |
1981 | ||
cecc1e79 KZ |
1982 | sw->vol.mute = vol->mute; |
1983 | sw->vol.l = nominal_volume.l * vol->vol[0] / 255; | |
1984 | sw->vol.r = nominal_volume.l * vol->vol[vol->channels > 1 ? 1 : 0] / | |
1985 | 255; | |
6c95ab94 | 1986 | |
571a8c52 | 1987 | if (hw->pcm_ops->volume_out) { |
cecc1e79 | 1988 | hw->pcm_ops->volume_out(hw, vol); |
6c95ab94 | 1989 | } |
683efdcb AZ |
1990 | } |
1991 | } | |
1992 | ||
1993 | void AUD_set_volume_in (SWVoiceIn *sw, int mute, uint8_t lvol, uint8_t rvol) | |
cecc1e79 KZ |
1994 | { |
1995 | Volume vol = { .mute = mute, .channels = 2, .vol = { lvol, rvol } }; | |
1996 | audio_set_volume_in(sw, &vol); | |
1997 | } | |
1998 | ||
1999 | void audio_set_volume_in(SWVoiceIn *sw, Volume *vol) | |
683efdcb AZ |
2000 | { |
2001 | if (sw) { | |
6c95ab94 MAL |
2002 | HWVoiceIn *hw = sw->hw; |
2003 | ||
cecc1e79 KZ |
2004 | sw->vol.mute = vol->mute; |
2005 | sw->vol.l = nominal_volume.l * vol->vol[0] / 255; | |
2006 | sw->vol.r = nominal_volume.r * vol->vol[vol->channels > 1 ? 1 : 0] / | |
2007 | 255; | |
6c95ab94 | 2008 | |
571a8c52 | 2009 | if (hw->pcm_ops->volume_in) { |
cecc1e79 | 2010 | hw->pcm_ops->volume_in(hw, vol); |
6c95ab94 | 2011 | } |
683efdcb AZ |
2012 | } |
2013 | } | |
71830221 KZ |
2014 | |
2015 | void audio_create_pdos(Audiodev *dev) | |
2016 | { | |
2017 | switch (dev->driver) { | |
2018 | #define CASE(DRIVER, driver, pdo_name) \ | |
2019 | case AUDIODEV_DRIVER_##DRIVER: \ | |
ceb19c8f | 2020 | if (!dev->u.driver.in) { \ |
71830221 KZ |
2021 | dev->u.driver.in = g_malloc0( \ |
2022 | sizeof(Audiodev##pdo_name##PerDirectionOptions)); \ | |
71830221 | 2023 | } \ |
ceb19c8f | 2024 | if (!dev->u.driver.out) { \ |
71830221 | 2025 | dev->u.driver.out = g_malloc0( \ |
725662d6 | 2026 | sizeof(Audiodev##pdo_name##PerDirectionOptions)); \ |
71830221 KZ |
2027 | } \ |
2028 | break | |
2029 | ||
2030 | CASE(NONE, none, ); | |
7a92a857 | 2031 | #ifdef CONFIG_AUDIO_ALSA |
71830221 | 2032 | CASE(ALSA, alsa, Alsa); |
7a92a857 DB |
2033 | #endif |
2034 | #ifdef CONFIG_AUDIO_COREAUDIO | |
71830221 | 2035 | CASE(COREAUDIO, coreaudio, Coreaudio); |
7a92a857 DB |
2036 | #endif |
2037 | #ifdef CONFIG_DBUS_DISPLAY | |
739362d4 | 2038 | CASE(DBUS, dbus, ); |
7a92a857 DB |
2039 | #endif |
2040 | #ifdef CONFIG_AUDIO_DSOUND | |
71830221 | 2041 | CASE(DSOUND, dsound, ); |
7a92a857 DB |
2042 | #endif |
2043 | #ifdef CONFIG_AUDIO_JACK | |
2e445703 | 2044 | CASE(JACK, jack, Jack); |
7a92a857 DB |
2045 | #endif |
2046 | #ifdef CONFIG_AUDIO_OSS | |
71830221 | 2047 | CASE(OSS, oss, Oss); |
7a92a857 DB |
2048 | #endif |
2049 | #ifdef CONFIG_AUDIO_PA | |
71830221 | 2050 | CASE(PA, pa, Pa); |
7a92a857 | 2051 | #endif |
c2d3d1c2 DB |
2052 | #ifdef CONFIG_AUDIO_PIPEWIRE |
2053 | CASE(PIPEWIRE, pipewire, Pipewire); | |
2054 | #endif | |
7a92a857 | 2055 | #ifdef CONFIG_AUDIO_SDL |
5a0926c2 | 2056 | CASE(SDL, sdl, Sdl); |
7a92a857 DB |
2057 | #endif |
2058 | #ifdef CONFIG_AUDIO_SNDIO | |
663df1cc | 2059 | CASE(SNDIO, sndio, ); |
7a92a857 DB |
2060 | #endif |
2061 | #ifdef CONFIG_SPICE | |
71830221 | 2062 | CASE(SPICE, spice, ); |
7a92a857 | 2063 | #endif |
71830221 KZ |
2064 | CASE(WAV, wav, ); |
2065 | ||
2066 | case AUDIODEV_DRIVER__MAX: | |
2067 | abort(); | |
2068 | }; | |
2069 | } | |
2070 | ||
2071 | static void audio_validate_per_direction_opts( | |
2072 | AudiodevPerDirectionOptions *pdo, Error **errp) | |
2073 | { | |
1930616b KZ |
2074 | if (!pdo->has_mixing_engine) { |
2075 | pdo->has_mixing_engine = true; | |
2076 | pdo->mixing_engine = true; | |
2077 | } | |
71830221 KZ |
2078 | if (!pdo->has_fixed_settings) { |
2079 | pdo->has_fixed_settings = true; | |
1930616b | 2080 | pdo->fixed_settings = pdo->mixing_engine; |
71830221 KZ |
2081 | } |
2082 | if (!pdo->fixed_settings && | |
2083 | (pdo->has_frequency || pdo->has_channels || pdo->has_format)) { | |
2084 | error_setg(errp, | |
2085 | "You can't use frequency, channels or format with fixed-settings=off"); | |
2086 | return; | |
2087 | } | |
1930616b KZ |
2088 | if (!pdo->mixing_engine && pdo->fixed_settings) { |
2089 | error_setg(errp, "You can't use fixed-settings without mixeng"); | |
2090 | return; | |
2091 | } | |
71830221 KZ |
2092 | |
2093 | if (!pdo->has_frequency) { | |
2094 | pdo->has_frequency = true; | |
2095 | pdo->frequency = 44100; | |
2096 | } | |
2097 | if (!pdo->has_channels) { | |
2098 | pdo->has_channels = true; | |
2099 | pdo->channels = 2; | |
2100 | } | |
2101 | if (!pdo->has_voices) { | |
2102 | pdo->has_voices = true; | |
1930616b | 2103 | pdo->voices = pdo->mixing_engine ? 1 : INT_MAX; |
71830221 KZ |
2104 | } |
2105 | if (!pdo->has_format) { | |
2106 | pdo->has_format = true; | |
2107 | pdo->format = AUDIO_FORMAT_S16; | |
2108 | } | |
2109 | } | |
2110 | ||
2111 | static void audio_validate_opts(Audiodev *dev, Error **errp) | |
2112 | { | |
2113 | Error *err = NULL; | |
2114 | ||
2115 | audio_create_pdos(dev); | |
2116 | ||
2117 | audio_validate_per_direction_opts(audio_get_pdo_in(dev), &err); | |
2118 | if (err) { | |
2119 | error_propagate(errp, err); | |
2120 | return; | |
2121 | } | |
2122 | ||
2123 | audio_validate_per_direction_opts(audio_get_pdo_out(dev), &err); | |
2124 | if (err) { | |
2125 | error_propagate(errp, err); | |
2126 | return; | |
2127 | } | |
2128 | ||
2129 | if (!dev->has_timer_period) { | |
2130 | dev->has_timer_period = true; | |
2131 | dev->timer_period = 10000; /* 100Hz -> 10ms */ | |
2132 | } | |
2133 | } | |
2134 | ||
5e03b6da CF |
2135 | void audio_help(void) |
2136 | { | |
2137 | int i; | |
2138 | ||
2139 | printf("Available audio drivers:\n"); | |
2140 | ||
2141 | for (i = 0; i < AUDIODEV_DRIVER__MAX; i++) { | |
2142 | audio_driver *driver = audio_driver_lookup(AudiodevDriver_str(i)); | |
2143 | if (driver) { | |
2144 | printf("%s\n", driver->name); | |
2145 | } | |
2146 | } | |
2147 | } | |
2148 | ||
71830221 KZ |
2149 | void audio_parse_option(const char *opt) |
2150 | { | |
71830221 KZ |
2151 | Audiodev *dev = NULL; |
2152 | ||
5e03b6da CF |
2153 | if (is_help_option(opt)) { |
2154 | audio_help(); | |
2155 | exit(EXIT_SUCCESS); | |
2156 | } | |
71830221 KZ |
2157 | Visitor *v = qobject_input_visitor_new_str(opt, "driver", &error_fatal); |
2158 | visit_type_Audiodev(v, NULL, &dev, &error_fatal); | |
2159 | visit_free(v); | |
2160 | ||
039a6837 PB |
2161 | audio_define(dev); |
2162 | } | |
2163 | ||
2164 | void audio_define(Audiodev *dev) | |
2165 | { | |
2166 | AudiodevListEntry *e; | |
2167 | ||
71830221 KZ |
2168 | audio_validate_opts(dev, &error_fatal); |
2169 | ||
b21e2380 | 2170 | e = g_new0(AudiodevListEntry, 1); |
71830221 KZ |
2171 | e->dev = dev; |
2172 | QSIMPLEQ_INSERT_TAIL(&audiodevs, e, next); | |
2173 | } | |
2174 | ||
cb94ff5f | 2175 | void audio_init_audiodevs(void) |
71830221 KZ |
2176 | { |
2177 | AudiodevListEntry *e; | |
2178 | ||
2179 | QSIMPLEQ_FOREACH(e, &audiodevs, next) { | |
cb94ff5f | 2180 | audio_init(e->dev, &error_fatal); |
71830221 KZ |
2181 | } |
2182 | } | |
2183 | ||
2184 | audsettings audiodev_to_audsettings(AudiodevPerDirectionOptions *pdo) | |
2185 | { | |
2186 | return (audsettings) { | |
2187 | .freq = pdo->frequency, | |
2188 | .nchannels = pdo->channels, | |
2189 | .fmt = pdo->format, | |
2190 | .endianness = AUDIO_HOST_ENDIANNESS, | |
2191 | }; | |
2192 | } | |
2193 | ||
2194 | int audioformat_bytes_per_sample(AudioFormat fmt) | |
2195 | { | |
2196 | switch (fmt) { | |
2197 | case AUDIO_FORMAT_U8: | |
2198 | case AUDIO_FORMAT_S8: | |
2199 | return 1; | |
2200 | ||
2201 | case AUDIO_FORMAT_U16: | |
2202 | case AUDIO_FORMAT_S16: | |
2203 | return 2; | |
2204 | ||
2205 | case AUDIO_FORMAT_U32: | |
2206 | case AUDIO_FORMAT_S32: | |
ed2a4a79 | 2207 | case AUDIO_FORMAT_F32: |
71830221 KZ |
2208 | return 4; |
2209 | ||
2210 | case AUDIO_FORMAT__MAX: | |
2211 | ; | |
2212 | } | |
2213 | abort(); | |
2214 | } | |
2215 | ||
2216 | ||
2217 | /* frames = freq * usec / 1e6 */ | |
2218 | int audio_buffer_frames(AudiodevPerDirectionOptions *pdo, | |
2219 | audsettings *as, int def_usecs) | |
2220 | { | |
2221 | uint64_t usecs = pdo->has_buffer_length ? pdo->buffer_length : def_usecs; | |
2222 | return (as->freq * usecs + 500000) / 1000000; | |
2223 | } | |
2224 | ||
2225 | /* samples = channels * frames = channels * freq * usec / 1e6 */ | |
2226 | int audio_buffer_samples(AudiodevPerDirectionOptions *pdo, | |
2227 | audsettings *as, int def_usecs) | |
2228 | { | |
2229 | return as->nchannels * audio_buffer_frames(pdo, as, def_usecs); | |
2230 | } | |
2231 | ||
2232 | /* | |
2233 | * bytes = bytes_per_sample * samples = | |
2234 | * bytes_per_sample * channels * freq * usec / 1e6 | |
2235 | */ | |
2236 | int audio_buffer_bytes(AudiodevPerDirectionOptions *pdo, | |
2237 | audsettings *as, int def_usecs) | |
2238 | { | |
2239 | return audio_buffer_samples(pdo, as, def_usecs) * | |
2240 | audioformat_bytes_per_sample(as->fmt); | |
2241 | } | |
ecd97e95 | 2242 | |
176adafc | 2243 | AudioState *audio_state_by_name(const char *name, Error **errp) |
ecd97e95 KZ |
2244 | { |
2245 | AudioState *s; | |
2246 | QTAILQ_FOREACH(s, &audio_states, list) { | |
2247 | assert(s->dev); | |
2248 | if (strcmp(name, s->dev->id) == 0) { | |
2249 | return s; | |
2250 | } | |
2251 | } | |
176adafc | 2252 | error_setg(errp, "audiodev '%s' not found", name); |
ecd97e95 KZ |
2253 | return NULL; |
2254 | } | |
2255 | ||
2256 | const char *audio_get_id(QEMUSoundCard *card) | |
2257 | { | |
2258 | if (card->state) { | |
2259 | assert(card->state->dev); | |
2260 | return card->state->dev->id; | |
2261 | } else { | |
2262 | return ""; | |
2263 | } | |
2264 | } | |
857271a2 | 2265 | |
37a54d05 VR |
2266 | const char *audio_application_name(void) |
2267 | { | |
2268 | const char *vm_name; | |
2269 | ||
2270 | vm_name = qemu_get_vm_name(); | |
2271 | return vm_name ? vm_name : "qemu"; | |
2272 | } | |
2273 | ||
857271a2 KZ |
2274 | void audio_rate_start(RateCtl *rate) |
2275 | { | |
2276 | memset(rate, 0, sizeof(RateCtl)); | |
2277 | rate->start_ticks = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); | |
2278 | } | |
2279 | ||
02732641 | 2280 | size_t audio_rate_peek_bytes(RateCtl *rate, struct audio_pcm_info *info) |
857271a2 KZ |
2281 | { |
2282 | int64_t now; | |
2283 | int64_t ticks; | |
2284 | int64_t bytes; | |
02732641 | 2285 | int64_t frames; |
857271a2 KZ |
2286 | |
2287 | now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); | |
2288 | ticks = now - rate->start_ticks; | |
2289 | bytes = muldiv64(ticks, info->bytes_per_second, NANOSECONDS_PER_SECOND); | |
02732641 VR |
2290 | frames = (bytes - rate->bytes_sent) / info->bytes_per_frame; |
2291 | if (frames < 0 || frames > 65536) { | |
2292 | AUD_log(NULL, "Resetting rate control (%" PRId64 " frames)\n", frames); | |
857271a2 | 2293 | audio_rate_start(rate); |
02732641 | 2294 | frames = 0; |
857271a2 KZ |
2295 | } |
2296 | ||
02732641 VR |
2297 | return frames * info->bytes_per_frame; |
2298 | } | |
2299 | ||
2300 | void audio_rate_add_bytes(RateCtl *rate, size_t bytes_used) | |
2301 | { | |
2302 | rate->bytes_sent += bytes_used; | |
2303 | } | |
2304 | ||
613fe02b | 2305 | size_t audio_rate_get_bytes(RateCtl *rate, struct audio_pcm_info *info, |
02732641 VR |
2306 | size_t bytes_avail) |
2307 | { | |
2308 | size_t bytes; | |
2309 | ||
2310 | bytes = audio_rate_peek_bytes(rate, info); | |
2311 | bytes = MIN(bytes, bytes_avail); | |
2312 | audio_rate_add_bytes(rate, bytes); | |
2313 | ||
2314 | return bytes; | |
857271a2 | 2315 | } |
637d1809 DB |
2316 | |
2317 | AudiodevList *qmp_query_audiodevs(Error **errp) | |
2318 | { | |
2319 | AudiodevList *ret = NULL; | |
2320 | AudiodevListEntry *e; | |
2321 | QSIMPLEQ_FOREACH(e, &audiodevs, next) { | |
2322 | QAPI_LIST_PREPEND(ret, QAPI_CLONE(Audiodev, e->dev)); | |
2323 | } | |
2324 | return ret; | |
2325 | } |