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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); | |
22f84d4f | 107 | static AudioState *default_audio_state; |
c0fe3827 | 108 | |
00e07679 | 109 | const struct mixeng_volume nominal_volume = { |
14658cd1 | 110 | .mute = 0, |
1d14ffa9 | 111 | #ifdef FLOAT_MIXENG |
14658cd1 JQ |
112 | .r = 1.0, |
113 | .l = 1.0, | |
1d14ffa9 | 114 | #else |
14658cd1 JQ |
115 | .r = 1ULL << 32, |
116 | .l = 1ULL << 32, | |
1d14ffa9 | 117 | #endif |
85571bc7 FB |
118 | }; |
119 | ||
1d14ffa9 | 120 | int audio_bug (const char *funcname, int cond) |
85571bc7 | 121 | { |
1d14ffa9 FB |
122 | if (cond) { |
123 | static int shown; | |
124 | ||
8ead62cf | 125 | AUD_log (NULL, "A bug was just triggered in %s\n", funcname); |
1d14ffa9 FB |
126 | if (!shown) { |
127 | shown = 1; | |
128 | AUD_log (NULL, "Save all your work and restart without audio\n"); | |
1d14ffa9 FB |
129 | AUD_log (NULL, "I am sorry\n"); |
130 | } | |
131 | AUD_log (NULL, "Context:\n"); | |
85571bc7 FB |
132 | } |
133 | ||
1d14ffa9 | 134 | return cond; |
85571bc7 FB |
135 | } |
136 | ||
f941aa25 TS |
137 | static inline int audio_bits_to_index (int bits) |
138 | { | |
139 | switch (bits) { | |
140 | case 8: | |
141 | return 0; | |
142 | ||
143 | case 16: | |
144 | return 1; | |
145 | ||
146 | case 32: | |
147 | return 2; | |
148 | ||
149 | default: | |
150 | audio_bug ("bits_to_index", 1); | |
151 | AUD_log (NULL, "invalid bits %d\n", bits); | |
12f4abf6 | 152 | return 0; |
f941aa25 TS |
153 | } |
154 | } | |
155 | ||
541e0844 | 156 | void AUD_vlog (const char *cap, const char *fmt, va_list ap) |
85571bc7 | 157 | { |
06ac27f6 KZ |
158 | if (cap) { |
159 | fprintf(stderr, "%s: ", cap); | |
541e0844 | 160 | } |
541e0844 | 161 | |
06ac27f6 | 162 | vfprintf(stderr, fmt, ap); |
85571bc7 FB |
163 | } |
164 | ||
541e0844 | 165 | void AUD_log (const char *cap, const char *fmt, ...) |
85571bc7 | 166 | { |
541e0844 FB |
167 | va_list ap; |
168 | ||
169 | va_start (ap, fmt); | |
170 | AUD_vlog (cap, fmt, ap); | |
171 | va_end (ap); | |
85571bc7 FB |
172 | } |
173 | ||
1ea879e5 | 174 | static void audio_print_settings (struct audsettings *as) |
c0fe3827 FB |
175 | { |
176 | dolog ("frequency=%d nchannels=%d fmt=", as->freq, as->nchannels); | |
177 | ||
178 | switch (as->fmt) { | |
85bc5852 | 179 | case AUDIO_FORMAT_S8: |
c0fe3827 FB |
180 | AUD_log (NULL, "S8"); |
181 | break; | |
85bc5852 | 182 | case AUDIO_FORMAT_U8: |
c0fe3827 FB |
183 | AUD_log (NULL, "U8"); |
184 | break; | |
85bc5852 | 185 | case AUDIO_FORMAT_S16: |
c0fe3827 FB |
186 | AUD_log (NULL, "S16"); |
187 | break; | |
85bc5852 | 188 | case AUDIO_FORMAT_U16: |
c0fe3827 FB |
189 | AUD_log (NULL, "U16"); |
190 | break; | |
85bc5852 | 191 | case AUDIO_FORMAT_S32: |
d50997f9 | 192 | AUD_log (NULL, "S32"); |
193 | break; | |
85bc5852 | 194 | case AUDIO_FORMAT_U32: |
d50997f9 | 195 | AUD_log (NULL, "U32"); |
196 | break; | |
ed2a4a79 KZ |
197 | case AUDIO_FORMAT_F32: |
198 | AUD_log (NULL, "F32"); | |
199 | break; | |
c0fe3827 FB |
200 | default: |
201 | AUD_log (NULL, "invalid(%d)", as->fmt); | |
202 | break; | |
203 | } | |
ec36b695 FB |
204 | |
205 | AUD_log (NULL, " endianness="); | |
d929eba5 FB |
206 | switch (as->endianness) { |
207 | case 0: | |
208 | AUD_log (NULL, "little"); | |
209 | break; | |
210 | case 1: | |
211 | AUD_log (NULL, "big"); | |
212 | break; | |
213 | default: | |
214 | AUD_log (NULL, "invalid"); | |
215 | break; | |
216 | } | |
c0fe3827 FB |
217 | AUD_log (NULL, "\n"); |
218 | } | |
219 | ||
1ea879e5 | 220 | static int audio_validate_settings (struct audsettings *as) |
c0fe3827 FB |
221 | { |
222 | int invalid; | |
223 | ||
b5c7db3e | 224 | invalid = as->nchannels < 1; |
d929eba5 | 225 | invalid |= as->endianness != 0 && as->endianness != 1; |
c0fe3827 FB |
226 | |
227 | switch (as->fmt) { | |
85bc5852 KZ |
228 | case AUDIO_FORMAT_S8: |
229 | case AUDIO_FORMAT_U8: | |
230 | case AUDIO_FORMAT_S16: | |
231 | case AUDIO_FORMAT_U16: | |
232 | case AUDIO_FORMAT_S32: | |
233 | case AUDIO_FORMAT_U32: | |
ed2a4a79 | 234 | case AUDIO_FORMAT_F32: |
c0fe3827 FB |
235 | break; |
236 | default: | |
237 | invalid = 1; | |
238 | break; | |
239 | } | |
240 | ||
241 | invalid |= as->freq <= 0; | |
d929eba5 | 242 | return invalid ? -1 : 0; |
c0fe3827 FB |
243 | } |
244 | ||
1ea879e5 | 245 | static int audio_pcm_info_eq (struct audio_pcm_info *info, struct audsettings *as) |
85571bc7 | 246 | { |
ed2a4a79 KZ |
247 | int bits = 8; |
248 | bool is_signed = false, is_float = false; | |
85571bc7 | 249 | |
c0fe3827 | 250 | switch (as->fmt) { |
85bc5852 | 251 | case AUDIO_FORMAT_S8: |
ed2a4a79 | 252 | is_signed = true; |
b4bd0b16 | 253 | /* fall through */ |
85bc5852 | 254 | case AUDIO_FORMAT_U8: |
1d14ffa9 FB |
255 | break; |
256 | ||
85bc5852 | 257 | case AUDIO_FORMAT_S16: |
ed2a4a79 | 258 | is_signed = true; |
b4bd0b16 | 259 | /* fall through */ |
85bc5852 | 260 | case AUDIO_FORMAT_U16: |
1d14ffa9 FB |
261 | bits = 16; |
262 | break; | |
f941aa25 | 263 | |
ed2a4a79 KZ |
264 | case AUDIO_FORMAT_F32: |
265 | is_float = true; | |
266 | /* fall through */ | |
85bc5852 | 267 | case AUDIO_FORMAT_S32: |
ed2a4a79 | 268 | is_signed = true; |
b4bd0b16 | 269 | /* fall through */ |
85bc5852 | 270 | case AUDIO_FORMAT_U32: |
f941aa25 TS |
271 | bits = 32; |
272 | break; | |
85bc5852 KZ |
273 | |
274 | default: | |
275 | abort(); | |
85571bc7 | 276 | } |
c0fe3827 FB |
277 | return info->freq == as->freq |
278 | && info->nchannels == as->nchannels | |
ed2a4a79 KZ |
279 | && info->is_signed == is_signed |
280 | && info->is_float == is_float | |
d929eba5 FB |
281 | && info->bits == bits |
282 | && info->swap_endianness == (as->endianness != AUDIO_HOST_ENDIANNESS); | |
1d14ffa9 | 283 | } |
85571bc7 | 284 | |
1ea879e5 | 285 | void audio_pcm_init_info (struct audio_pcm_info *info, struct audsettings *as) |
1d14ffa9 | 286 | { |
ed2a4a79 KZ |
287 | int bits = 8, mul; |
288 | bool is_signed = false, is_float = false; | |
1d14ffa9 | 289 | |
c0fe3827 | 290 | switch (as->fmt) { |
85bc5852 | 291 | case AUDIO_FORMAT_S8: |
ed2a4a79 | 292 | is_signed = true; |
f7621fd1 | 293 | /* fall through */ |
85bc5852 | 294 | case AUDIO_FORMAT_U8: |
2b9cce8c | 295 | mul = 1; |
85571bc7 FB |
296 | break; |
297 | ||
85bc5852 | 298 | case AUDIO_FORMAT_S16: |
ed2a4a79 | 299 | is_signed = true; |
e4634941 | 300 | /* fall through */ |
85bc5852 | 301 | case AUDIO_FORMAT_U16: |
85571bc7 | 302 | bits = 16; |
2b9cce8c | 303 | mul = 2; |
f941aa25 TS |
304 | break; |
305 | ||
ed2a4a79 KZ |
306 | case AUDIO_FORMAT_F32: |
307 | is_float = true; | |
308 | /* fall through */ | |
85bc5852 | 309 | case AUDIO_FORMAT_S32: |
ed2a4a79 | 310 | is_signed = true; |
e4634941 | 311 | /* fall through */ |
85bc5852 | 312 | case AUDIO_FORMAT_U32: |
f941aa25 | 313 | bits = 32; |
2b9cce8c | 314 | mul = 4; |
85571bc7 | 315 | break; |
85bc5852 KZ |
316 | |
317 | default: | |
318 | abort(); | |
85571bc7 FB |
319 | } |
320 | ||
c0fe3827 | 321 | info->freq = as->freq; |
1d14ffa9 | 322 | info->bits = bits; |
ed2a4a79 KZ |
323 | info->is_signed = is_signed; |
324 | info->is_float = is_float; | |
c0fe3827 | 325 | info->nchannels = as->nchannels; |
2b9cce8c KZ |
326 | info->bytes_per_frame = as->nchannels * mul; |
327 | info->bytes_per_second = info->freq * info->bytes_per_frame; | |
d929eba5 | 328 | info->swap_endianness = (as->endianness != AUDIO_HOST_ENDIANNESS); |
85571bc7 FB |
329 | } |
330 | ||
1d14ffa9 | 331 | void audio_pcm_info_clear_buf (struct audio_pcm_info *info, void *buf, int len) |
85571bc7 | 332 | { |
1d14ffa9 FB |
333 | if (!len) { |
334 | return; | |
335 | } | |
336 | ||
ed2a4a79 | 337 | if (info->is_signed || info->is_float) { |
2b9cce8c | 338 | memset(buf, 0x00, len * info->bytes_per_frame); |
6c6886bd | 339 | } else { |
f941aa25 TS |
340 | switch (info->bits) { |
341 | case 8: | |
2b9cce8c | 342 | memset(buf, 0x80, len * info->bytes_per_frame); |
f941aa25 | 343 | break; |
1d14ffa9 | 344 | |
f941aa25 TS |
345 | case 16: |
346 | { | |
347 | int i; | |
348 | uint16_t *p = buf; | |
f941aa25 TS |
349 | short s = INT16_MAX; |
350 | ||
351 | if (info->swap_endianness) { | |
352 | s = bswap16 (s); | |
353 | } | |
354 | ||
2b9cce8c | 355 | for (i = 0; i < len * info->nchannels; i++) { |
f941aa25 TS |
356 | p[i] = s; |
357 | } | |
1d14ffa9 | 358 | } |
f941aa25 TS |
359 | break; |
360 | ||
361 | case 32: | |
362 | { | |
363 | int i; | |
364 | uint32_t *p = buf; | |
f941aa25 TS |
365 | int32_t s = INT32_MAX; |
366 | ||
367 | if (info->swap_endianness) { | |
368 | s = bswap32 (s); | |
369 | } | |
1d14ffa9 | 370 | |
2b9cce8c | 371 | for (i = 0; i < len * info->nchannels; i++) { |
f941aa25 TS |
372 | p[i] = s; |
373 | } | |
1d14ffa9 | 374 | } |
f941aa25 TS |
375 | break; |
376 | ||
377 | default: | |
378 | AUD_log (NULL, "audio_pcm_info_clear_buf: invalid bits %d\n", | |
379 | info->bits); | |
380 | break; | |
1d14ffa9 | 381 | } |
85571bc7 FB |
382 | } |
383 | } | |
384 | ||
8ead62cf FB |
385 | /* |
386 | * Capture | |
387 | */ | |
526fb058 KZ |
388 | static CaptureVoiceOut *audio_pcm_capture_find_specific(AudioState *s, |
389 | struct audsettings *as) | |
8ead62cf FB |
390 | { |
391 | CaptureVoiceOut *cap; | |
8ead62cf FB |
392 | |
393 | for (cap = s->cap_head.lh_first; cap; cap = cap->entries.le_next) { | |
d929eba5 | 394 | if (audio_pcm_info_eq (&cap->hw.info, as)) { |
8ead62cf FB |
395 | return cap; |
396 | } | |
397 | } | |
398 | return NULL; | |
399 | } | |
400 | ||
ec36b695 | 401 | static void audio_notify_capture (CaptureVoiceOut *cap, audcnotification_e cmd) |
8ead62cf | 402 | { |
ec36b695 FB |
403 | struct capture_callback *cb; |
404 | ||
405 | #ifdef DEBUG_CAPTURE | |
406 | dolog ("notification %d sent\n", cmd); | |
407 | #endif | |
408 | for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) { | |
409 | cb->ops.notify (cb->opaque, cmd); | |
410 | } | |
411 | } | |
8ead62cf | 412 | |
ec36b695 FB |
413 | static void audio_capture_maybe_changed (CaptureVoiceOut *cap, int enabled) |
414 | { | |
415 | if (cap->hw.enabled != enabled) { | |
416 | audcnotification_e cmd; | |
8ead62cf | 417 | cap->hw.enabled = enabled; |
ec36b695 FB |
418 | cmd = enabled ? AUD_CNOTIFY_ENABLE : AUD_CNOTIFY_DISABLE; |
419 | audio_notify_capture (cap, cmd); | |
8ead62cf FB |
420 | } |
421 | } | |
422 | ||
423 | static void audio_recalc_and_notify_capture (CaptureVoiceOut *cap) | |
424 | { | |
425 | HWVoiceOut *hw = &cap->hw; | |
426 | SWVoiceOut *sw; | |
427 | int enabled = 0; | |
428 | ||
ec36b695 | 429 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { |
8ead62cf FB |
430 | if (sw->active) { |
431 | enabled = 1; | |
432 | break; | |
433 | } | |
434 | } | |
ec36b695 | 435 | audio_capture_maybe_changed (cap, enabled); |
8ead62cf FB |
436 | } |
437 | ||
438 | static void audio_detach_capture (HWVoiceOut *hw) | |
439 | { | |
ec36b695 FB |
440 | SWVoiceCap *sc = hw->cap_head.lh_first; |
441 | ||
442 | while (sc) { | |
443 | SWVoiceCap *sc1 = sc->entries.le_next; | |
444 | SWVoiceOut *sw = &sc->sw; | |
445 | CaptureVoiceOut *cap = sc->cap; | |
446 | int was_active = sw->active; | |
8ead62cf | 447 | |
8ead62cf FB |
448 | if (sw->rate) { |
449 | st_rate_stop (sw->rate); | |
450 | sw->rate = NULL; | |
451 | } | |
452 | ||
72cf2d4f BS |
453 | QLIST_REMOVE (sw, entries); |
454 | QLIST_REMOVE (sc, entries); | |
7267c094 | 455 | g_free (sc); |
ec36b695 FB |
456 | if (was_active) { |
457 | /* We have removed soft voice from the capture: | |
458 | this might have changed the overall status of the capture | |
459 | since this might have been the only active voice */ | |
460 | audio_recalc_and_notify_capture (cap); | |
461 | } | |
462 | sc = sc1; | |
8ead62cf FB |
463 | } |
464 | } | |
465 | ||
1a7dafce | 466 | static int audio_attach_capture (HWVoiceOut *hw) |
8ead62cf | 467 | { |
526fb058 | 468 | AudioState *s = hw->s; |
8ead62cf FB |
469 | CaptureVoiceOut *cap; |
470 | ||
471 | audio_detach_capture (hw); | |
472 | for (cap = s->cap_head.lh_first; cap; cap = cap->entries.le_next) { | |
ec36b695 | 473 | SWVoiceCap *sc; |
8ead62cf | 474 | SWVoiceOut *sw; |
ec36b695 | 475 | HWVoiceOut *hw_cap = &cap->hw; |
8ead62cf | 476 | |
e8d85444 | 477 | sc = g_malloc0(sizeof(*sc)); |
8ead62cf | 478 | |
ec36b695 FB |
479 | sc->cap = cap; |
480 | sw = &sc->sw; | |
8ead62cf | 481 | sw->hw = hw_cap; |
ec36b695 | 482 | sw->info = hw->info; |
8ead62cf FB |
483 | sw->empty = 1; |
484 | sw->active = hw->enabled; | |
83617103 | 485 | sw->vol = nominal_volume; |
8ead62cf | 486 | sw->rate = st_rate_start (sw->info.freq, hw_cap->info.freq); |
72cf2d4f BS |
487 | QLIST_INSERT_HEAD (&hw_cap->sw_head, sw, entries); |
488 | QLIST_INSERT_HEAD (&hw->cap_head, sc, entries); | |
ec36b695 | 489 | #ifdef DEBUG_CAPTURE |
457b6543 SW |
490 | sw->name = g_strdup_printf ("for %p %d,%d,%d", |
491 | hw, sw->info.freq, sw->info.bits, | |
492 | sw->info.nchannels); | |
ec36b695 FB |
493 | dolog ("Added %s active = %d\n", sw->name, sw->active); |
494 | #endif | |
8ead62cf | 495 | if (sw->active) { |
ec36b695 | 496 | audio_capture_maybe_changed (cap, 1); |
8ead62cf FB |
497 | } |
498 | } | |
499 | return 0; | |
500 | } | |
501 | ||
1d14ffa9 FB |
502 | /* |
503 | * Hard voice (capture) | |
504 | */ | |
7520462b | 505 | static size_t audio_pcm_hw_find_min_in (HWVoiceIn *hw) |
85571bc7 | 506 | { |
1d14ffa9 | 507 | SWVoiceIn *sw; |
7520462b | 508 | size_t m = hw->total_samples_captured; |
1d14ffa9 FB |
509 | |
510 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { | |
511 | if (sw->active) { | |
58935915 | 512 | m = MIN (m, sw->total_hw_samples_acquired); |
1d14ffa9 | 513 | } |
85571bc7 | 514 | } |
1d14ffa9 | 515 | return m; |
85571bc7 FB |
516 | } |
517 | ||
3f5bbfc2 | 518 | static size_t audio_pcm_hw_get_live_in(HWVoiceIn *hw) |
85571bc7 | 519 | { |
7520462b | 520 | size_t live = hw->total_samples_captured - audio_pcm_hw_find_min_in (hw); |
8dbd3d17 VR |
521 | if (audio_bug(__func__, live > hw->conv_buf.size)) { |
522 | dolog("live=%zu hw->conv_buf.size=%zu\n", live, hw->conv_buf.size); | |
12f4abf6 | 523 | return 0; |
85571bc7 | 524 | } |
1d14ffa9 | 525 | return live; |
85571bc7 FB |
526 | } |
527 | ||
251f1549 VR |
528 | static size_t audio_pcm_hw_conv_in(HWVoiceIn *hw, void *pcm_buf, size_t samples) |
529 | { | |
530 | size_t conv = 0; | |
8dbd3d17 | 531 | STSampleBuffer *conv_buf = &hw->conv_buf; |
251f1549 VR |
532 | |
533 | while (samples) { | |
534 | uint8_t *src = advance(pcm_buf, conv * hw->info.bytes_per_frame); | |
535 | size_t proc = MIN(samples, conv_buf->size - conv_buf->pos); | |
536 | ||
8dbd3d17 | 537 | hw->conv(conv_buf->buffer + conv_buf->pos, src, proc); |
251f1549 VR |
538 | conv_buf->pos = (conv_buf->pos + proc) % conv_buf->size; |
539 | samples -= proc; | |
540 | conv += proc; | |
541 | } | |
542 | ||
543 | return conv; | |
544 | } | |
545 | ||
1d14ffa9 FB |
546 | /* |
547 | * Soft voice (capture) | |
548 | */ | |
1c49c5f1 VR |
549 | static void audio_pcm_sw_resample_in(SWVoiceIn *sw, |
550 | size_t frames_in_max, size_t frames_out_max, | |
551 | size_t *total_in, size_t *total_out) | |
552 | { | |
553 | HWVoiceIn *hw = sw->hw; | |
554 | struct st_sample *src, *dst; | |
555 | size_t live, rpos, frames_in, frames_out; | |
556 | ||
557 | live = hw->total_samples_captured - sw->total_hw_samples_acquired; | |
558 | rpos = audio_ring_posb(hw->conv_buf.pos, live, hw->conv_buf.size); | |
559 | ||
560 | /* resample conv_buf from rpos to end of buffer */ | |
561 | src = hw->conv_buf.buffer + rpos; | |
562 | frames_in = MIN(frames_in_max, hw->conv_buf.size - rpos); | |
563 | dst = sw->resample_buf.buffer; | |
564 | frames_out = frames_out_max; | |
565 | st_rate_flow(sw->rate, src, dst, &frames_in, &frames_out); | |
566 | rpos += frames_in; | |
567 | *total_in = frames_in; | |
568 | *total_out = frames_out; | |
569 | ||
570 | /* resample conv_buf from start of buffer if there are input frames left */ | |
571 | if (frames_in_max - frames_in && rpos == hw->conv_buf.size) { | |
572 | src = hw->conv_buf.buffer; | |
573 | frames_in = frames_in_max - frames_in; | |
574 | dst += frames_out; | |
575 | frames_out = frames_out_max - frames_out; | |
576 | st_rate_flow(sw->rate, src, dst, &frames_in, &frames_out); | |
577 | *total_in += frames_in; | |
578 | *total_out += frames_out; | |
579 | } | |
580 | } | |
581 | ||
fbde1edf | 582 | static size_t audio_pcm_sw_read(SWVoiceIn *sw, void *buf, size_t buf_len) |
85571bc7 | 583 | { |
1d14ffa9 | 584 | HWVoiceIn *hw = sw->hw; |
a9ea5678 | 585 | size_t live, frames_out_max, total_in, total_out; |
1d14ffa9 | 586 | |
1d14ffa9 | 587 | live = hw->total_samples_captured - sw->total_hw_samples_acquired; |
0ceb26af VR |
588 | if (!live) { |
589 | return 0; | |
590 | } | |
8dbd3d17 VR |
591 | if (audio_bug(__func__, live > hw->conv_buf.size)) { |
592 | dolog("live_in=%zu hw->conv_buf.size=%zu\n", live, hw->conv_buf.size); | |
12f4abf6 | 593 | return 0; |
1d14ffa9 FB |
594 | } |
595 | ||
a9ea5678 VR |
596 | frames_out_max = MIN(buf_len / sw->info.bytes_per_frame, |
597 | sw->resample_buf.size); | |
85571bc7 | 598 | |
a9ea5678 | 599 | audio_pcm_sw_resample_in(sw, live, frames_out_max, &total_in, &total_out); |
85571bc7 | 600 | |
669b9522 | 601 | if (!hw->pcm_ops->volume_in) { |
fbde1edf | 602 | mixeng_volume(sw->resample_buf.buffer, total_out, &sw->vol); |
c01b2456 | 603 | } |
fbde1edf | 604 | sw->clip(buf, sw->resample_buf.buffer, total_out); |
00e07679 | 605 | |
fbde1edf VR |
606 | sw->total_hw_samples_acquired += total_in; |
607 | return total_out * sw->info.bytes_per_frame; | |
85571bc7 FB |
608 | } |
609 | ||
1d14ffa9 FB |
610 | /* |
611 | * Hard voice (playback) | |
612 | */ | |
7520462b | 613 | static size_t audio_pcm_hw_find_min_out (HWVoiceOut *hw, int *nb_livep) |
1d14ffa9 | 614 | { |
c0fe3827 | 615 | SWVoiceOut *sw; |
7520462b | 616 | size_t m = SIZE_MAX; |
c0fe3827 | 617 | int nb_live = 0; |
85571bc7 | 618 | |
c0fe3827 FB |
619 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { |
620 | if (sw->active || !sw->empty) { | |
58935915 | 621 | m = MIN (m, sw->total_hw_samples_mixed); |
c0fe3827 FB |
622 | nb_live += 1; |
623 | } | |
85571bc7 | 624 | } |
c0fe3827 FB |
625 | |
626 | *nb_livep = nb_live; | |
627 | return m; | |
1d14ffa9 | 628 | } |
85571bc7 | 629 | |
7520462b | 630 | static size_t audio_pcm_hw_get_live_out (HWVoiceOut *hw, int *nb_live) |
1d14ffa9 | 631 | { |
7520462b | 632 | size_t smin; |
bdff253c | 633 | int nb_live1; |
85571bc7 | 634 | |
bdff253c | 635 | smin = audio_pcm_hw_find_min_out (hw, &nb_live1); |
636 | if (nb_live) { | |
637 | *nb_live = nb_live1; | |
85571bc7 | 638 | } |
bdff253c | 639 | |
640 | if (nb_live1) { | |
7520462b | 641 | size_t live = smin; |
1d14ffa9 | 642 | |
8dbd3d17 VR |
643 | if (audio_bug(__func__, live > hw->mix_buf.size)) { |
644 | dolog("live=%zu hw->mix_buf.size=%zu\n", live, hw->mix_buf.size); | |
12f4abf6 | 645 | return 0; |
85571bc7 | 646 | } |
1d14ffa9 | 647 | return live; |
85571bc7 | 648 | } |
bdff253c | 649 | return 0; |
85571bc7 FB |
650 | } |
651 | ||
9833438e VR |
652 | static size_t audio_pcm_hw_get_free(HWVoiceOut *hw) |
653 | { | |
654 | return (hw->pcm_ops->buffer_get_free ? hw->pcm_ops->buffer_get_free(hw) : | |
655 | INT_MAX) / hw->info.bytes_per_frame; | |
656 | } | |
657 | ||
8e56a172 VR |
658 | static void audio_pcm_hw_clip_out(HWVoiceOut *hw, void *pcm_buf, size_t len) |
659 | { | |
660 | size_t clipped = 0; | |
8dbd3d17 | 661 | size_t pos = hw->mix_buf.pos; |
8e56a172 VR |
662 | |
663 | while (len) { | |
8dbd3d17 | 664 | st_sample *src = hw->mix_buf.buffer + pos; |
8e56a172 | 665 | uint8_t *dst = advance(pcm_buf, clipped * hw->info.bytes_per_frame); |
8dbd3d17 | 666 | size_t samples_till_end_of_buf = hw->mix_buf.size - pos; |
8e56a172 VR |
667 | size_t samples_to_clip = MIN(len, samples_till_end_of_buf); |
668 | ||
669 | hw->clip(dst, src, samples_to_clip); | |
670 | ||
8dbd3d17 | 671 | pos = (pos + samples_to_clip) % hw->mix_buf.size; |
8e56a172 VR |
672 | len -= samples_to_clip; |
673 | clipped += samples_to_clip; | |
674 | } | |
675 | } | |
676 | ||
1d14ffa9 FB |
677 | /* |
678 | * Soft voice (playback) | |
679 | */ | |
8a81abee VR |
680 | static void audio_pcm_sw_resample_out(SWVoiceOut *sw, |
681 | size_t frames_in_max, size_t frames_out_max, | |
682 | size_t *total_in, size_t *total_out) | |
683 | { | |
684 | HWVoiceOut *hw = sw->hw; | |
685 | struct st_sample *src, *dst; | |
686 | size_t live, wpos, frames_in, frames_out; | |
687 | ||
688 | live = sw->total_hw_samples_mixed; | |
689 | wpos = (hw->mix_buf.pos + live) % hw->mix_buf.size; | |
690 | ||
691 | /* write to mix_buf from wpos to end of buffer */ | |
692 | src = sw->resample_buf.buffer; | |
693 | frames_in = frames_in_max; | |
694 | dst = hw->mix_buf.buffer + wpos; | |
695 | frames_out = MIN(frames_out_max, hw->mix_buf.size - wpos); | |
696 | st_rate_flow_mix(sw->rate, src, dst, &frames_in, &frames_out); | |
697 | wpos += frames_out; | |
698 | *total_in = frames_in; | |
699 | *total_out = frames_out; | |
700 | ||
701 | /* write to mix_buf from start of buffer if there are input frames left */ | |
702 | if (frames_in_max - frames_in > 0 && wpos == hw->mix_buf.size) { | |
703 | src += frames_in; | |
704 | frames_in = frames_in_max - frames_in; | |
705 | dst = hw->mix_buf.buffer; | |
706 | frames_out = frames_out_max - frames_out; | |
707 | st_rate_flow_mix(sw->rate, src, dst, &frames_in, &frames_out); | |
708 | *total_in += frames_in; | |
709 | *total_out += frames_out; | |
710 | } | |
711 | } | |
712 | ||
d5647bd9 | 713 | static size_t audio_pcm_sw_write(SWVoiceOut *sw, void *buf, size_t buf_len) |
85571bc7 | 714 | { |
d5647bd9 | 715 | HWVoiceOut *hw = sw->hw; |
1a01df3d VR |
716 | size_t live, dead, hw_free, sw_max, fe_max; |
717 | size_t frames_in_max, frames_out_max, total_in, total_out; | |
85571bc7 | 718 | |
1d14ffa9 | 719 | live = sw->total_hw_samples_mixed; |
d5647bd9 VR |
720 | if (audio_bug(__func__, live > hw->mix_buf.size)) { |
721 | dolog("live=%zu hw->mix_buf.size=%zu\n", live, hw->mix_buf.size); | |
12f4abf6 | 722 | return 0; |
1d14ffa9 | 723 | } |
85571bc7 | 724 | |
d5647bd9 | 725 | if (live == hw->mix_buf.size) { |
ec36b695 | 726 | #ifdef DEBUG_OUT |
0c29b786 | 727 | dolog ("%s is full %zu\n", sw->name, live); |
ec36b695 | 728 | #endif |
1d14ffa9 FB |
729 | return 0; |
730 | } | |
85571bc7 | 731 | |
d5647bd9 VR |
732 | dead = hw->mix_buf.size - live; |
733 | hw_free = audio_pcm_hw_get_free(hw); | |
9833438e | 734 | hw_free = hw_free > live ? hw_free - live : 0; |
1a01df3d VR |
735 | frames_out_max = MIN(dead, hw_free); |
736 | sw_max = st_rate_frames_in(sw->rate, frames_out_max); | |
e1e6a6fc VR |
737 | fe_max = MIN(buf_len / sw->info.bytes_per_frame + sw->resample_buf.pos, |
738 | sw->resample_buf.size); | |
1a01df3d | 739 | frames_in_max = MIN(sw_max, fe_max); |
c01b2456 | 740 | |
1a01df3d VR |
741 | if (!frames_in_max) { |
742 | return 0; | |
1d14ffa9 FB |
743 | } |
744 | ||
e1e6a6fc VR |
745 | if (frames_in_max > sw->resample_buf.pos) { |
746 | sw->conv(sw->resample_buf.buffer + sw->resample_buf.pos, | |
747 | buf, frames_in_max - sw->resample_buf.pos); | |
748 | if (!sw->hw->pcm_ops->volume_out) { | |
749 | mixeng_volume(sw->resample_buf.buffer + sw->resample_buf.pos, | |
750 | frames_in_max - sw->resample_buf.pos, &sw->vol); | |
751 | } | |
1a01df3d VR |
752 | } |
753 | ||
754 | audio_pcm_sw_resample_out(sw, frames_in_max, frames_out_max, | |
d5647bd9 | 755 | &total_in, &total_out); |
1d14ffa9 | 756 | |
d5647bd9 | 757 | sw->total_hw_samples_mixed += total_out; |
1d14ffa9 FB |
758 | sw->empty = sw->total_hw_samples_mixed == 0; |
759 | ||
e1e6a6fc VR |
760 | /* |
761 | * Upsampling may leave one audio frame in the resample buffer. Decrement | |
762 | * total_in by one if there was a leftover frame from the previous resample | |
763 | * pass in the resample buffer. Increment total_in by one if the current | |
764 | * resample pass left one frame in the resample buffer. | |
765 | */ | |
766 | if (frames_in_max - total_in == 1) { | |
767 | /* copy one leftover audio frame to the beginning of the buffer */ | |
768 | *sw->resample_buf.buffer = *(sw->resample_buf.buffer + total_in); | |
769 | total_in += 1 - sw->resample_buf.pos; | |
770 | sw->resample_buf.pos = 1; | |
771 | } else if (total_in >= sw->resample_buf.pos) { | |
772 | total_in -= sw->resample_buf.pos; | |
773 | sw->resample_buf.pos = 0; | |
774 | } | |
775 | ||
1d14ffa9 FB |
776 | #ifdef DEBUG_OUT |
777 | dolog ( | |
d5647bd9 VR |
778 | "%s: write size %zu written %zu total mixed %zu\n", |
779 | SW_NAME(sw), | |
780 | buf_len / sw->info.bytes_per_frame, | |
781 | total_in, | |
c0fe3827 | 782 | sw->total_hw_samples_mixed |
1d14ffa9 FB |
783 | ); |
784 | #endif | |
785 | ||
d5647bd9 | 786 | return total_in * sw->info.bytes_per_frame; |
85571bc7 FB |
787 | } |
788 | ||
1d14ffa9 FB |
789 | #ifdef DEBUG_AUDIO |
790 | static void audio_pcm_print_info (const char *cap, struct audio_pcm_info *info) | |
85571bc7 | 791 | { |
ed2a4a79 KZ |
792 | dolog("%s: bits %d, sign %d, float %d, freq %d, nchan %d\n", |
793 | cap, info->bits, info->is_signed, info->is_float, info->freq, | |
794 | info->nchannels); | |
85571bc7 | 795 | } |
1d14ffa9 | 796 | #endif |
85571bc7 | 797 | |
1d14ffa9 FB |
798 | #define DAC |
799 | #include "audio_template.h" | |
800 | #undef DAC | |
801 | #include "audio_template.h" | |
802 | ||
713a98f8 | 803 | /* |
804 | * Timer | |
805 | */ | |
526fb058 | 806 | static int audio_is_timer_needed(AudioState *s) |
713a98f8 | 807 | { |
808 | HWVoiceIn *hwi = NULL; | |
809 | HWVoiceOut *hwo = NULL; | |
810 | ||
526fb058 | 811 | while ((hwo = audio_pcm_hw_find_any_enabled_out(s, hwo))) { |
6c6886bd ZH |
812 | if (!hwo->poll_mode) { |
813 | return 1; | |
814 | } | |
713a98f8 | 815 | } |
526fb058 | 816 | while ((hwi = audio_pcm_hw_find_any_enabled_in(s, hwi))) { |
6c6886bd ZH |
817 | if (!hwi->poll_mode) { |
818 | return 1; | |
819 | } | |
713a98f8 | 820 | } |
821 | return 0; | |
822 | } | |
823 | ||
39deb1e4 | 824 | static void audio_reset_timer (AudioState *s) |
713a98f8 | 825 | { |
526fb058 | 826 | if (audio_is_timer_needed(s)) { |
1ffc2665 | 827 | timer_mod_anticipate_ns(s->ts, |
71830221 | 828 | qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + s->period_ticks); |
526fb058 KZ |
829 | if (!s->timer_running) { |
830 | s->timer_running = true; | |
831 | s->timer_last = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); | |
71830221 | 832 | trace_audio_timer_start(s->period_ticks / SCALE_MS); |
1a961e78 GH |
833 | } |
834 | } else { | |
835 | timer_del(s->ts); | |
526fb058 KZ |
836 | if (s->timer_running) { |
837 | s->timer_running = false; | |
1a961e78 GH |
838 | trace_audio_timer_stop(); |
839 | } | |
713a98f8 | 840 | } |
841 | } | |
842 | ||
39deb1e4 | 843 | static void audio_timer (void *opaque) |
844 | { | |
1a961e78 | 845 | int64_t now, diff; |
71830221 | 846 | AudioState *s = opaque; |
1a961e78 GH |
847 | |
848 | now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); | |
526fb058 | 849 | diff = now - s->timer_last; |
71830221 | 850 | if (diff > s->period_ticks * 3 / 2) { |
1a961e78 GH |
851 | trace_audio_timer_delayed(diff / SCALE_MS); |
852 | } | |
526fb058 | 853 | s->timer_last = now; |
1a961e78 | 854 | |
18e2c177 | 855 | audio_run(s, "timer"); |
71830221 | 856 | audio_reset_timer(s); |
39deb1e4 | 857 | } |
858 | ||
713a98f8 | 859 | /* |
860 | * Public API | |
861 | */ | |
7520462b | 862 | size_t AUD_write(SWVoiceOut *sw, void *buf, size_t size) |
85571bc7 | 863 | { |
1930616b KZ |
864 | HWVoiceOut *hw; |
865 | ||
1d14ffa9 FB |
866 | if (!sw) { |
867 | /* XXX: Consider options */ | |
868 | return size; | |
869 | } | |
1930616b | 870 | hw = sw->hw; |
85571bc7 | 871 | |
1930616b | 872 | if (!hw->enabled) { |
c0fe3827 | 873 | dolog ("Writing to disabled voice %s\n", SW_NAME (sw)); |
85571bc7 FB |
874 | return 0; |
875 | } | |
876 | ||
1930616b KZ |
877 | if (audio_get_pdo_out(hw->s->dev)->mixing_engine) { |
878 | return audio_pcm_sw_write(sw, buf, size); | |
879 | } else { | |
880 | return hw->pcm_ops->write(hw, buf, size); | |
881 | } | |
1d14ffa9 FB |
882 | } |
883 | ||
7520462b | 884 | size_t AUD_read(SWVoiceIn *sw, void *buf, size_t size) |
1d14ffa9 | 885 | { |
1930616b KZ |
886 | HWVoiceIn *hw; |
887 | ||
1d14ffa9 FB |
888 | if (!sw) { |
889 | /* XXX: Consider options */ | |
890 | return size; | |
85571bc7 | 891 | } |
1930616b | 892 | hw = sw->hw; |
1d14ffa9 | 893 | |
1930616b | 894 | if (!hw->enabled) { |
c0fe3827 | 895 | dolog ("Reading from disabled voice %s\n", SW_NAME (sw)); |
1d14ffa9 | 896 | return 0; |
85571bc7 | 897 | } |
1d14ffa9 | 898 | |
1930616b KZ |
899 | if (audio_get_pdo_in(hw->s->dev)->mixing_engine) { |
900 | return audio_pcm_sw_read(sw, buf, size); | |
901 | } else { | |
902 | return hw->pcm_ops->read(hw, buf, size); | |
903 | } | |
85571bc7 FB |
904 | } |
905 | ||
69ac0786 | 906 | int AUD_get_buffer_size_out(SWVoiceOut *sw) |
85571bc7 | 907 | { |
69ac0786 | 908 | return sw->hw->samples * sw->hw->info.bytes_per_frame; |
1d14ffa9 FB |
909 | } |
910 | ||
911 | void AUD_set_active_out (SWVoiceOut *sw, int on) | |
912 | { | |
913 | HWVoiceOut *hw; | |
85571bc7 | 914 | |
1d14ffa9 | 915 | if (!sw) { |
85571bc7 | 916 | return; |
1d14ffa9 | 917 | } |
85571bc7 FB |
918 | |
919 | hw = sw->hw; | |
1d14ffa9 | 920 | if (sw->active != on) { |
526fb058 | 921 | AudioState *s = sw->s; |
1d14ffa9 | 922 | SWVoiceOut *temp_sw; |
ec36b695 | 923 | SWVoiceCap *sc; |
1d14ffa9 FB |
924 | |
925 | if (on) { | |
1d14ffa9 FB |
926 | hw->pending_disable = 0; |
927 | if (!hw->enabled) { | |
928 | hw->enabled = 1; | |
978dd635 | 929 | if (s->vm_running) { |
571a8c52 KZ |
930 | if (hw->pcm_ops->enable_out) { |
931 | hw->pcm_ops->enable_out(hw, true); | |
932 | } | |
39deb1e4 | 933 | audio_reset_timer (s); |
978dd635 | 934 | } |
1d14ffa9 | 935 | } |
6c6886bd | 936 | } else { |
1d14ffa9 FB |
937 | if (hw->enabled) { |
938 | int nb_active = 0; | |
939 | ||
940 | for (temp_sw = hw->sw_head.lh_first; temp_sw; | |
941 | temp_sw = temp_sw->entries.le_next) { | |
942 | nb_active += temp_sw->active != 0; | |
943 | } | |
944 | ||
945 | hw->pending_disable = nb_active == 1; | |
946 | } | |
85571bc7 | 947 | } |
ec36b695 FB |
948 | |
949 | for (sc = hw->cap_head.lh_first; sc; sc = sc->entries.le_next) { | |
950 | sc->sw.active = hw->enabled; | |
8ead62cf | 951 | if (hw->enabled) { |
ec36b695 | 952 | audio_capture_maybe_changed (sc->cap, 1); |
8ead62cf FB |
953 | } |
954 | } | |
1d14ffa9 FB |
955 | sw->active = on; |
956 | } | |
957 | } | |
958 | ||
959 | void AUD_set_active_in (SWVoiceIn *sw, int on) | |
960 | { | |
961 | HWVoiceIn *hw; | |
962 | ||
963 | if (!sw) { | |
964 | return; | |
85571bc7 FB |
965 | } |
966 | ||
1d14ffa9 | 967 | hw = sw->hw; |
85571bc7 | 968 | if (sw->active != on) { |
526fb058 | 969 | AudioState *s = sw->s; |
1d14ffa9 FB |
970 | SWVoiceIn *temp_sw; |
971 | ||
85571bc7 | 972 | if (on) { |
85571bc7 FB |
973 | if (!hw->enabled) { |
974 | hw->enabled = 1; | |
978dd635 | 975 | if (s->vm_running) { |
571a8c52 KZ |
976 | if (hw->pcm_ops->enable_in) { |
977 | hw->pcm_ops->enable_in(hw, true); | |
978 | } | |
39deb1e4 | 979 | audio_reset_timer (s); |
978dd635 | 980 | } |
85571bc7 | 981 | } |
1d14ffa9 | 982 | sw->total_hw_samples_acquired = hw->total_samples_captured; |
6c6886bd | 983 | } else { |
1d14ffa9 | 984 | if (hw->enabled) { |
85571bc7 | 985 | int nb_active = 0; |
1d14ffa9 FB |
986 | |
987 | for (temp_sw = hw->sw_head.lh_first; temp_sw; | |
988 | temp_sw = temp_sw->entries.le_next) { | |
989 | nb_active += temp_sw->active != 0; | |
85571bc7 FB |
990 | } |
991 | ||
992 | if (nb_active == 1) { | |
1d14ffa9 | 993 | hw->enabled = 0; |
571a8c52 KZ |
994 | if (hw->pcm_ops->enable_in) { |
995 | hw->pcm_ops->enable_in(hw, false); | |
996 | } | |
85571bc7 FB |
997 | } |
998 | } | |
999 | } | |
1000 | sw->active = on; | |
1001 | } | |
1002 | } | |
1003 | ||
7520462b | 1004 | static size_t audio_get_avail (SWVoiceIn *sw) |
1d14ffa9 | 1005 | { |
7520462b | 1006 | size_t live; |
1d14ffa9 FB |
1007 | |
1008 | if (!sw) { | |
1009 | return 0; | |
1010 | } | |
1011 | ||
1012 | live = sw->hw->total_samples_captured - sw->total_hw_samples_acquired; | |
8dbd3d17 VR |
1013 | if (audio_bug(__func__, live > sw->hw->conv_buf.size)) { |
1014 | dolog("live=%zu sw->hw->conv_buf.size=%zu\n", live, | |
1015 | sw->hw->conv_buf.size); | |
12f4abf6 | 1016 | return 0; |
1d14ffa9 FB |
1017 | } |
1018 | ||
1019 | ldebug ( | |
a9ea5678 | 1020 | "%s: get_avail live %zu frontend frames %u\n", |
c0fe3827 | 1021 | SW_NAME (sw), |
a9ea5678 | 1022 | live, st_rate_frames_out(sw->rate, live) |
1d14ffa9 FB |
1023 | ); |
1024 | ||
0724c579 | 1025 | return live; |
1d14ffa9 FB |
1026 | } |
1027 | ||
7520462b | 1028 | static size_t audio_get_free(SWVoiceOut *sw) |
1d14ffa9 | 1029 | { |
7520462b | 1030 | size_t live, dead; |
1d14ffa9 FB |
1031 | |
1032 | if (!sw) { | |
1033 | return 0; | |
1034 | } | |
1035 | ||
1036 | live = sw->total_hw_samples_mixed; | |
1037 | ||
8dbd3d17 VR |
1038 | if (audio_bug(__func__, live > sw->hw->mix_buf.size)) { |
1039 | dolog("live=%zu sw->hw->mix_buf.size=%zu\n", live, | |
1040 | sw->hw->mix_buf.size); | |
12f4abf6 | 1041 | return 0; |
1d14ffa9 FB |
1042 | } |
1043 | ||
8dbd3d17 | 1044 | dead = sw->hw->mix_buf.size - live; |
1d14ffa9 FB |
1045 | |
1046 | #ifdef DEBUG_OUT | |
1a01df3d VR |
1047 | dolog("%s: get_free live %zu dead %zu frontend frames %u\n", |
1048 | SW_NAME(sw), live, dead, st_rate_frames_in(sw->rate, dead)); | |
85571bc7 | 1049 | #endif |
1d14ffa9 | 1050 | |
9833438e | 1051 | return dead; |
1d14ffa9 FB |
1052 | } |
1053 | ||
7520462b KZ |
1054 | static void audio_capture_mix_and_clear(HWVoiceOut *hw, size_t rpos, |
1055 | size_t samples) | |
8ead62cf | 1056 | { |
7520462b | 1057 | size_t n; |
8ead62cf FB |
1058 | |
1059 | if (hw->enabled) { | |
ec36b695 | 1060 | SWVoiceCap *sc; |
8ead62cf | 1061 | |
ec36b695 FB |
1062 | for (sc = hw->cap_head.lh_first; sc; sc = sc->entries.le_next) { |
1063 | SWVoiceOut *sw = &sc->sw; | |
671cca35 | 1064 | size_t rpos2 = rpos; |
8ead62cf FB |
1065 | |
1066 | n = samples; | |
1067 | while (n) { | |
8dbd3d17 | 1068 | size_t till_end_of_hw = hw->mix_buf.size - rpos2; |
671cca35 VR |
1069 | size_t to_read = MIN(till_end_of_hw, n); |
1070 | size_t live, frames_in, frames_out; | |
8ead62cf | 1071 | |
2c3f9a0a | 1072 | sw->resample_buf.buffer = hw->mix_buf.buffer + rpos2; |
671cca35 VR |
1073 | sw->resample_buf.size = to_read; |
1074 | live = sw->total_hw_samples_mixed; | |
1075 | ||
1076 | audio_pcm_sw_resample_out(sw, | |
1077 | to_read, sw->hw->mix_buf.size - live, | |
1078 | &frames_in, &frames_out); | |
1079 | ||
1080 | sw->total_hw_samples_mixed += frames_out; | |
1081 | sw->empty = sw->total_hw_samples_mixed == 0; | |
1082 | ||
1083 | if (to_read - frames_in) { | |
1084 | dolog("Could not mix %zu frames into a capture " | |
7520462b | 1085 | "buffer, mixed %zu\n", |
671cca35 | 1086 | to_read, frames_in); |
8ead62cf FB |
1087 | break; |
1088 | } | |
671cca35 VR |
1089 | n -= to_read; |
1090 | rpos2 = (rpos2 + to_read) % hw->mix_buf.size; | |
8ead62cf FB |
1091 | } |
1092 | } | |
1093 | } | |
1094 | ||
8dbd3d17 VR |
1095 | n = MIN(samples, hw->mix_buf.size - rpos); |
1096 | mixeng_clear(hw->mix_buf.buffer + rpos, n); | |
1097 | mixeng_clear(hw->mix_buf.buffer, samples - n); | |
8ead62cf FB |
1098 | } |
1099 | ||
ff095e52 KZ |
1100 | static size_t audio_pcm_hw_run_out(HWVoiceOut *hw, size_t live) |
1101 | { | |
1102 | size_t clipped = 0; | |
1103 | ||
1104 | while (live) { | |
aec6d0dc VR |
1105 | size_t size = live * hw->info.bytes_per_frame; |
1106 | size_t decr, proc; | |
ff095e52 | 1107 | void *buf = hw->pcm_ops->get_buffer_out(hw, &size); |
4c3356f9 VR |
1108 | |
1109 | if (size == 0) { | |
fb35c2ce | 1110 | break; |
ff095e52 KZ |
1111 | } |
1112 | ||
2b9cce8c | 1113 | decr = MIN(size / hw->info.bytes_per_frame, live); |
4c3356f9 VR |
1114 | if (buf) { |
1115 | audio_pcm_hw_clip_out(hw, buf, decr); | |
1116 | } | |
2b9cce8c KZ |
1117 | proc = hw->pcm_ops->put_buffer_out(hw, buf, |
1118 | decr * hw->info.bytes_per_frame) / | |
1119 | hw->info.bytes_per_frame; | |
ff095e52 KZ |
1120 | |
1121 | live -= proc; | |
1122 | clipped += proc; | |
8dbd3d17 | 1123 | hw->mix_buf.pos = (hw->mix_buf.pos + proc) % hw->mix_buf.size; |
ff095e52 KZ |
1124 | |
1125 | if (proc == 0 || proc < decr) { | |
1126 | break; | |
1127 | } | |
1128 | } | |
1129 | ||
fdc8c5f4 VR |
1130 | if (hw->pcm_ops->run_buffer_out) { |
1131 | hw->pcm_ops->run_buffer_out(hw); | |
1132 | } | |
1133 | ||
ff095e52 KZ |
1134 | return clipped; |
1135 | } | |
1136 | ||
c0fe3827 | 1137 | static void audio_run_out (AudioState *s) |
1d14ffa9 FB |
1138 | { |
1139 | HWVoiceOut *hw = NULL; | |
1140 | SWVoiceOut *sw; | |
1141 | ||
4d31ff32 VR |
1142 | while ((hw = audio_pcm_hw_find_any_enabled_out(s, hw))) { |
1143 | size_t played, live, prev_rpos; | |
1144 | size_t hw_free = audio_pcm_hw_get_free(hw); | |
1145 | int nb_live; | |
1146 | ||
1147 | if (!audio_get_pdo_out(s->dev)->mixing_engine) { | |
1930616b KZ |
1148 | /* there is exactly 1 sw for each hw with no mixeng */ |
1149 | sw = hw->sw_head.lh_first; | |
1150 | ||
1151 | if (hw->pending_disable) { | |
1152 | hw->enabled = 0; | |
1153 | hw->pending_disable = 0; | |
1154 | if (hw->pcm_ops->enable_out) { | |
1155 | hw->pcm_ops->enable_out(hw, false); | |
1156 | } | |
1157 | } | |
1158 | ||
1159 | if (sw->active) { | |
7099a6a2 VR |
1160 | sw->callback.fn(sw->callback.opaque, |
1161 | hw_free * sw->info.bytes_per_frame); | |
1930616b | 1162 | } |
1930616b | 1163 | |
dd052dbf VR |
1164 | if (hw->pcm_ops->run_buffer_out) { |
1165 | hw->pcm_ops->run_buffer_out(hw); | |
1166 | } | |
1167 | ||
4d31ff32 VR |
1168 | continue; |
1169 | } | |
1d14ffa9 | 1170 | |
a806f959 VR |
1171 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { |
1172 | if (sw->active) { | |
9833438e VR |
1173 | size_t sw_free = audio_get_free(sw); |
1174 | size_t free; | |
1175 | ||
1176 | if (hw_free > sw->total_hw_samples_mixed) { | |
1a01df3d | 1177 | free = st_rate_frames_in(sw->rate, |
9833438e VR |
1178 | MIN(sw_free, hw_free - sw->total_hw_samples_mixed)); |
1179 | } else { | |
1180 | free = 0; | |
1181 | } | |
e1e6a6fc VR |
1182 | if (free > sw->resample_buf.pos) { |
1183 | free = MIN(free, sw->resample_buf.size) | |
1184 | - sw->resample_buf.pos; | |
c4e59264 VR |
1185 | sw->callback.fn(sw->callback.opaque, |
1186 | free * sw->info.bytes_per_frame); | |
a806f959 VR |
1187 | } |
1188 | } | |
1189 | } | |
1190 | ||
bdff253c | 1191 | live = audio_pcm_hw_get_live_out (hw, &nb_live); |
1d14ffa9 FB |
1192 | if (!nb_live) { |
1193 | live = 0; | |
1194 | } | |
c0fe3827 | 1195 | |
8dbd3d17 VR |
1196 | if (audio_bug(__func__, live > hw->mix_buf.size)) { |
1197 | dolog("live=%zu hw->mix_buf.size=%zu\n", live, hw->mix_buf.size); | |
12f4abf6 | 1198 | continue; |
1d14ffa9 FB |
1199 | } |
1200 | ||
1201 | if (hw->pending_disable && !nb_live) { | |
ec36b695 | 1202 | SWVoiceCap *sc; |
1d14ffa9 FB |
1203 | #ifdef DEBUG_OUT |
1204 | dolog ("Disabling voice\n"); | |
85571bc7 | 1205 | #endif |
1d14ffa9 FB |
1206 | hw->enabled = 0; |
1207 | hw->pending_disable = 0; | |
571a8c52 KZ |
1208 | if (hw->pcm_ops->enable_out) { |
1209 | hw->pcm_ops->enable_out(hw, false); | |
1210 | } | |
ec36b695 FB |
1211 | for (sc = hw->cap_head.lh_first; sc; sc = sc->entries.le_next) { |
1212 | sc->sw.active = 0; | |
1213 | audio_recalc_and_notify_capture (sc->cap); | |
8ead62cf | 1214 | } |
1d14ffa9 FB |
1215 | continue; |
1216 | } | |
1217 | ||
1218 | if (!live) { | |
a8a98cfd VR |
1219 | if (hw->pcm_ops->run_buffer_out) { |
1220 | hw->pcm_ops->run_buffer_out(hw); | |
1221 | } | |
1d14ffa9 FB |
1222 | continue; |
1223 | } | |
1224 | ||
8dbd3d17 | 1225 | prev_rpos = hw->mix_buf.pos; |
3f5bbfc2 | 1226 | played = audio_pcm_hw_run_out(hw, live); |
3d4d16f4 | 1227 | replay_audio_out(&played); |
8dbd3d17 VR |
1228 | if (audio_bug(__func__, hw->mix_buf.pos >= hw->mix_buf.size)) { |
1229 | dolog("hw->mix_buf.pos=%zu hw->mix_buf.size=%zu played=%zu\n", | |
1230 | hw->mix_buf.pos, hw->mix_buf.size, played); | |
1231 | hw->mix_buf.pos = 0; | |
1d14ffa9 FB |
1232 | } |
1233 | ||
1234 | #ifdef DEBUG_OUT | |
7520462b | 1235 | dolog("played=%zu\n", played); |
85571bc7 | 1236 | #endif |
1d14ffa9 FB |
1237 | |
1238 | if (played) { | |
1239 | hw->ts_helper += played; | |
8ead62cf | 1240 | audio_capture_mix_and_clear (hw, prev_rpos, played); |
1d14ffa9 FB |
1241 | } |
1242 | ||
1243 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { | |
1d14ffa9 FB |
1244 | if (!sw->active && sw->empty) { |
1245 | continue; | |
1246 | } | |
1247 | ||
470bcabd | 1248 | if (audio_bug(__func__, played > sw->total_hw_samples_mixed)) { |
7520462b KZ |
1249 | dolog("played=%zu sw->total_hw_samples_mixed=%zu\n", |
1250 | played, sw->total_hw_samples_mixed); | |
12f4abf6 | 1251 | played = sw->total_hw_samples_mixed; |
1d14ffa9 FB |
1252 | } |
1253 | ||
1254 | sw->total_hw_samples_mixed -= played; | |
1255 | ||
1256 | if (!sw->total_hw_samples_mixed) { | |
1257 | sw->empty = 1; | |
1d14ffa9 | 1258 | } |
1d14ffa9 FB |
1259 | } |
1260 | } | |
1261 | } | |
1262 | ||
ff095e52 KZ |
1263 | static size_t audio_pcm_hw_run_in(HWVoiceIn *hw, size_t samples) |
1264 | { | |
1265 | size_t conv = 0; | |
1266 | ||
a2893c83 VR |
1267 | if (hw->pcm_ops->run_buffer_in) { |
1268 | hw->pcm_ops->run_buffer_in(hw); | |
1269 | } | |
1270 | ||
ff095e52 KZ |
1271 | while (samples) { |
1272 | size_t proc; | |
2b9cce8c | 1273 | size_t size = samples * hw->info.bytes_per_frame; |
ff095e52 KZ |
1274 | void *buf = hw->pcm_ops->get_buffer_in(hw, &size); |
1275 | ||
2b9cce8c | 1276 | assert(size % hw->info.bytes_per_frame == 0); |
ff095e52 | 1277 | if (size == 0) { |
ff095e52 KZ |
1278 | break; |
1279 | } | |
1280 | ||
251f1549 | 1281 | proc = audio_pcm_hw_conv_in(hw, buf, size / hw->info.bytes_per_frame); |
ff095e52 KZ |
1282 | |
1283 | samples -= proc; | |
1284 | conv += proc; | |
2b9cce8c | 1285 | hw->pcm_ops->put_buffer_in(hw, buf, proc * hw->info.bytes_per_frame); |
ff095e52 KZ |
1286 | } |
1287 | ||
1288 | return conv; | |
1289 | } | |
1290 | ||
c0fe3827 | 1291 | static void audio_run_in (AudioState *s) |
1d14ffa9 FB |
1292 | { |
1293 | HWVoiceIn *hw = NULL; | |
1294 | ||
1930616b KZ |
1295 | if (!audio_get_pdo_in(s->dev)->mixing_engine) { |
1296 | while ((hw = audio_pcm_hw_find_any_enabled_in(s, hw))) { | |
1297 | /* there is exactly 1 sw for each hw with no mixeng */ | |
1298 | SWVoiceIn *sw = hw->sw_head.lh_first; | |
1299 | if (sw->active) { | |
1300 | sw->callback.fn(sw->callback.opaque, INT_MAX); | |
1301 | } | |
1302 | } | |
1303 | return; | |
1304 | } | |
1305 | ||
526fb058 | 1306 | while ((hw = audio_pcm_hw_find_any_enabled_in(s, hw))) { |
1d14ffa9 | 1307 | SWVoiceIn *sw; |
7520462b | 1308 | size_t captured = 0, min; |
1d14ffa9 | 1309 | |
3d4d16f4 | 1310 | if (replay_mode != REPLAY_MODE_PLAY) { |
3f5bbfc2 | 1311 | captured = audio_pcm_hw_run_in( |
8dbd3d17 | 1312 | hw, hw->conv_buf.size - audio_pcm_hw_get_live_in(hw)); |
3d4d16f4 | 1313 | } |
8dbd3d17 VR |
1314 | replay_audio_in(&captured, hw->conv_buf.buffer, &hw->conv_buf.pos, |
1315 | hw->conv_buf.size); | |
1d14ffa9 FB |
1316 | |
1317 | min = audio_pcm_hw_find_min_in (hw); | |
1318 | hw->total_samples_captured += captured - min; | |
1319 | hw->ts_helper += captured; | |
1320 | ||
1321 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { | |
1322 | sw->total_hw_samples_acquired -= min; | |
1323 | ||
1324 | if (sw->active) { | |
0724c579 | 1325 | size_t sw_avail = audio_get_avail(sw); |
7520462b | 1326 | size_t avail; |
1d14ffa9 | 1327 | |
a9ea5678 | 1328 | avail = st_rate_frames_out(sw->rate, sw_avail); |
1d14ffa9 | 1329 | if (avail > 0) { |
a9ea5678 | 1330 | avail = MIN(avail, sw->resample_buf.size); |
0724c579 VR |
1331 | sw->callback.fn(sw->callback.opaque, |
1332 | avail * sw->info.bytes_per_frame); | |
1d14ffa9 FB |
1333 | } |
1334 | } | |
1335 | } | |
1336 | } | |
1337 | } | |
1338 | ||
8ead62cf FB |
1339 | static void audio_run_capture (AudioState *s) |
1340 | { | |
1341 | CaptureVoiceOut *cap; | |
1342 | ||
1343 | for (cap = s->cap_head.lh_first; cap; cap = cap->entries.le_next) { | |
7520462b | 1344 | size_t live, rpos, captured; |
8ead62cf FB |
1345 | HWVoiceOut *hw = &cap->hw; |
1346 | SWVoiceOut *sw; | |
1347 | ||
bdff253c | 1348 | captured = live = audio_pcm_hw_get_live_out (hw, NULL); |
8dbd3d17 | 1349 | rpos = hw->mix_buf.pos; |
8ead62cf | 1350 | while (live) { |
8dbd3d17 | 1351 | size_t left = hw->mix_buf.size - rpos; |
7520462b | 1352 | size_t to_capture = MIN(live, left); |
1ea879e5 | 1353 | struct st_sample *src; |
8ead62cf FB |
1354 | struct capture_callback *cb; |
1355 | ||
8dbd3d17 | 1356 | src = hw->mix_buf.buffer + rpos; |
8ead62cf FB |
1357 | hw->clip (cap->buf, src, to_capture); |
1358 | mixeng_clear (src, to_capture); | |
1359 | ||
1360 | for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) { | |
1361 | cb->ops.capture (cb->opaque, cap->buf, | |
2b9cce8c | 1362 | to_capture * hw->info.bytes_per_frame); |
8ead62cf | 1363 | } |
8dbd3d17 | 1364 | rpos = (rpos + to_capture) % hw->mix_buf.size; |
8ead62cf FB |
1365 | live -= to_capture; |
1366 | } | |
8dbd3d17 | 1367 | hw->mix_buf.pos = rpos; |
8ead62cf FB |
1368 | |
1369 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { | |
1370 | if (!sw->active && sw->empty) { | |
1371 | continue; | |
1372 | } | |
1373 | ||
470bcabd | 1374 | if (audio_bug(__func__, captured > sw->total_hw_samples_mixed)) { |
7520462b KZ |
1375 | dolog("captured=%zu sw->total_hw_samples_mixed=%zu\n", |
1376 | captured, sw->total_hw_samples_mixed); | |
12f4abf6 | 1377 | captured = sw->total_hw_samples_mixed; |
8ead62cf FB |
1378 | } |
1379 | ||
1380 | sw->total_hw_samples_mixed -= captured; | |
1381 | sw->empty = sw->total_hw_samples_mixed == 0; | |
1382 | } | |
1383 | } | |
1384 | } | |
1385 | ||
18e2c177 | 1386 | void audio_run(AudioState *s, const char *msg) |
571ec3d6 | 1387 | { |
18e2c177 KZ |
1388 | audio_run_out(s); |
1389 | audio_run_in(s); | |
1390 | audio_run_capture(s); | |
571ec3d6 | 1391 | |
713a98f8 | 1392 | #ifdef DEBUG_POLL |
1393 | { | |
1394 | static double prevtime; | |
1395 | double currtime; | |
1396 | struct timeval tv; | |
571ec3d6 | 1397 | |
713a98f8 | 1398 | if (gettimeofday (&tv, NULL)) { |
1399 | perror ("audio_run: gettimeofday"); | |
1400 | return; | |
1401 | } | |
1402 | ||
1403 | currtime = tv.tv_sec + tv.tv_usec * 1e-6; | |
1404 | dolog ("Elapsed since last %s: %f\n", msg, currtime - prevtime); | |
1405 | prevtime = currtime; | |
1406 | } | |
1407 | #endif | |
571ec3d6 FB |
1408 | } |
1409 | ||
a2893c83 | 1410 | void audio_generic_run_buffer_in(HWVoiceIn *hw) |
ff095e52 | 1411 | { |
ff095e52 | 1412 | if (unlikely(!hw->buf_emul)) { |
1d8549ad VR |
1413 | hw->size_emul = hw->samples * hw->info.bytes_per_frame; |
1414 | hw->buf_emul = g_malloc(hw->size_emul); | |
ff095e52 KZ |
1415 | hw->pos_emul = hw->pending_emul = 0; |
1416 | } | |
1417 | ||
1418 | while (hw->pending_emul < hw->size_emul) { | |
1419 | size_t read_len = MIN(hw->size_emul - hw->pos_emul, | |
1420 | hw->size_emul - hw->pending_emul); | |
1421 | size_t read = hw->pcm_ops->read(hw, hw->buf_emul + hw->pos_emul, | |
1422 | read_len); | |
1423 | hw->pending_emul += read; | |
7ffc90f3 | 1424 | hw->pos_emul = (hw->pos_emul + read) % hw->size_emul; |
ff095e52 KZ |
1425 | if (read < read_len) { |
1426 | break; | |
1427 | } | |
1428 | } | |
a2893c83 VR |
1429 | } |
1430 | ||
1431 | void *audio_generic_get_buffer_in(HWVoiceIn *hw, size_t *size) | |
1432 | { | |
18404ff1 | 1433 | size_t start; |
ff095e52 | 1434 | |
18404ff1 VR |
1435 | start = audio_ring_posb(hw->pos_emul, hw->pending_emul, hw->size_emul); |
1436 | assert(start < hw->size_emul); | |
ff095e52 | 1437 | |
599eac4e VR |
1438 | *size = MIN(*size, hw->pending_emul); |
1439 | *size = MIN(*size, hw->size_emul - start); | |
ff095e52 KZ |
1440 | return hw->buf_emul + start; |
1441 | } | |
1442 | ||
1443 | void audio_generic_put_buffer_in(HWVoiceIn *hw, void *buf, size_t size) | |
1444 | { | |
1445 | assert(size <= hw->pending_emul); | |
1446 | hw->pending_emul -= size; | |
1447 | } | |
1448 | ||
9833438e VR |
1449 | size_t audio_generic_buffer_get_free(HWVoiceOut *hw) |
1450 | { | |
1451 | if (hw->buf_emul) { | |
1452 | return hw->size_emul - hw->pending_emul; | |
1453 | } else { | |
1454 | return hw->samples * hw->info.bytes_per_frame; | |
1455 | } | |
1456 | } | |
1457 | ||
fdc8c5f4 VR |
1458 | void audio_generic_run_buffer_out(HWVoiceOut *hw) |
1459 | { | |
1460 | while (hw->pending_emul) { | |
18404ff1 | 1461 | size_t write_len, written, start; |
fdc8c5f4 | 1462 | |
18404ff1 VR |
1463 | start = audio_ring_posb(hw->pos_emul, hw->pending_emul, hw->size_emul); |
1464 | assert(start < hw->size_emul); | |
fdc8c5f4 VR |
1465 | |
1466 | write_len = MIN(hw->pending_emul, hw->size_emul - start); | |
1467 | ||
1468 | written = hw->pcm_ops->write(hw, hw->buf_emul + start, write_len); | |
1469 | hw->pending_emul -= written; | |
1470 | ||
1471 | if (written < write_len) { | |
1472 | break; | |
1473 | } | |
1474 | } | |
1475 | } | |
1476 | ||
ff095e52 KZ |
1477 | void *audio_generic_get_buffer_out(HWVoiceOut *hw, size_t *size) |
1478 | { | |
1479 | if (unlikely(!hw->buf_emul)) { | |
1d8549ad VR |
1480 | hw->size_emul = hw->samples * hw->info.bytes_per_frame; |
1481 | hw->buf_emul = g_malloc(hw->size_emul); | |
ff095e52 KZ |
1482 | hw->pos_emul = hw->pending_emul = 0; |
1483 | } | |
1484 | ||
1485 | *size = MIN(hw->size_emul - hw->pending_emul, | |
1486 | hw->size_emul - hw->pos_emul); | |
1487 | return hw->buf_emul + hw->pos_emul; | |
1488 | } | |
1489 | ||
fdc8c5f4 | 1490 | size_t audio_generic_put_buffer_out(HWVoiceOut *hw, void *buf, size_t size) |
ff095e52 KZ |
1491 | { |
1492 | assert(buf == hw->buf_emul + hw->pos_emul && | |
1493 | size + hw->pending_emul <= hw->size_emul); | |
1494 | ||
1495 | hw->pending_emul += size; | |
1496 | hw->pos_emul = (hw->pos_emul + size) % hw->size_emul; | |
1497 | ||
1498 | return size; | |
1499 | } | |
1500 | ||
ff095e52 KZ |
1501 | size_t audio_generic_write(HWVoiceOut *hw, void *buf, size_t size) |
1502 | { | |
2d882307 VR |
1503 | size_t total = 0; |
1504 | ||
9833438e VR |
1505 | if (hw->pcm_ops->buffer_get_free) { |
1506 | size_t free = hw->pcm_ops->buffer_get_free(hw); | |
1507 | ||
1508 | size = MIN(size, free); | |
1509 | } | |
1510 | ||
2d882307 VR |
1511 | while (total < size) { |
1512 | size_t dst_size = size - total; | |
1513 | size_t copy_size, proc; | |
1514 | void *dst = hw->pcm_ops->get_buffer_out(hw, &dst_size); | |
ff095e52 | 1515 | |
2d882307 VR |
1516 | if (dst_size == 0) { |
1517 | break; | |
1518 | } | |
1519 | ||
1520 | copy_size = MIN(size - total, dst_size); | |
1521 | if (dst) { | |
1522 | memcpy(dst, (char *)buf + total, copy_size); | |
1523 | } | |
1524 | proc = hw->pcm_ops->put_buffer_out(hw, dst, copy_size); | |
1525 | total += proc; | |
1526 | ||
1527 | if (proc == 0 || proc < copy_size) { | |
1528 | break; | |
1529 | } | |
1530 | } | |
1531 | ||
2d882307 | 1532 | return total; |
ff095e52 KZ |
1533 | } |
1534 | ||
1535 | size_t audio_generic_read(HWVoiceIn *hw, void *buf, size_t size) | |
1536 | { | |
b9896dc5 | 1537 | size_t total = 0; |
ff095e52 | 1538 | |
a2893c83 VR |
1539 | if (hw->pcm_ops->run_buffer_in) { |
1540 | hw->pcm_ops->run_buffer_in(hw); | |
1541 | } | |
1542 | ||
b9896dc5 VR |
1543 | while (total < size) { |
1544 | size_t src_size = size - total; | |
1545 | void *src = hw->pcm_ops->get_buffer_in(hw, &src_size); | |
ff095e52 | 1546 | |
b9896dc5 | 1547 | if (src_size == 0) { |
b9896dc5 VR |
1548 | break; |
1549 | } | |
1550 | ||
1551 | memcpy((char *)buf + total, src, src_size); | |
1552 | hw->pcm_ops->put_buffer_in(hw, src, src_size); | |
1553 | total += src_size; | |
1554 | } | |
1555 | ||
1556 | return total; | |
8d1439b6 | 1557 | } |
ff095e52 | 1558 | |
71830221 | 1559 | static int audio_driver_init(AudioState *s, struct audio_driver *drv, |
cb94ff5f | 1560 | Audiodev *dev, Error **errp) |
85571bc7 | 1561 | { |
f6061733 PB |
1562 | Error *local_err = NULL; |
1563 | ||
1564 | s->drv_opaque = drv->init(dev, &local_err); | |
1d14ffa9 | 1565 | |
c0fe3827 | 1566 | if (s->drv_opaque) { |
ff095e52 KZ |
1567 | if (!drv->pcm_ops->get_buffer_in) { |
1568 | drv->pcm_ops->get_buffer_in = audio_generic_get_buffer_in; | |
1569 | drv->pcm_ops->put_buffer_in = audio_generic_put_buffer_in; | |
1570 | } | |
1571 | if (!drv->pcm_ops->get_buffer_out) { | |
1572 | drv->pcm_ops->get_buffer_out = audio_generic_get_buffer_out; | |
1573 | drv->pcm_ops->put_buffer_out = audio_generic_put_buffer_out; | |
1574 | } | |
1575 | ||
5c63d141 PB |
1576 | audio_init_nb_voices_out(s, drv, 1); |
1577 | audio_init_nb_voices_in(s, drv, 0); | |
c0fe3827 | 1578 | s->drv = drv; |
1d14ffa9 | 1579 | return 0; |
6c6886bd | 1580 | } else { |
cb94ff5f MK |
1581 | if (local_err) { |
1582 | error_propagate(errp, local_err); | |
f6061733 | 1583 | } else { |
cb94ff5f | 1584 | error_setg(errp, "Could not init `%s' audio driver", drv->name); |
fb37ce92 | 1585 | } |
1d14ffa9 | 1586 | return -1; |
85571bc7 FB |
1587 | } |
1588 | } | |
1589 | ||
538f0497 | 1590 | static void audio_vm_change_state_handler (void *opaque, bool running, |
1dfb4dd9 | 1591 | RunState state) |
85571bc7 | 1592 | { |
c0fe3827 | 1593 | AudioState *s = opaque; |
1d14ffa9 FB |
1594 | HWVoiceOut *hwo = NULL; |
1595 | HWVoiceIn *hwi = NULL; | |
1d14ffa9 | 1596 | |
978dd635 | 1597 | s->vm_running = running; |
526fb058 | 1598 | while ((hwo = audio_pcm_hw_find_any_enabled_out(s, hwo))) { |
571a8c52 KZ |
1599 | if (hwo->pcm_ops->enable_out) { |
1600 | hwo->pcm_ops->enable_out(hwo, running); | |
1601 | } | |
1d14ffa9 | 1602 | } |
85571bc7 | 1603 | |
526fb058 | 1604 | while ((hwi = audio_pcm_hw_find_any_enabled_in(s, hwi))) { |
571a8c52 KZ |
1605 | if (hwi->pcm_ops->enable_in) { |
1606 | hwi->pcm_ops->enable_in(hwi, running); | |
1607 | } | |
85571bc7 | 1608 | } |
39deb1e4 | 1609 | audio_reset_timer (s); |
85571bc7 FB |
1610 | } |
1611 | ||
ecd97e95 | 1612 | static void free_audio_state(AudioState *s) |
85571bc7 | 1613 | { |
a384c205 MAL |
1614 | HWVoiceOut *hwo, *hwon; |
1615 | HWVoiceIn *hwi, *hwin; | |
1d14ffa9 | 1616 | |
526fb058 | 1617 | QLIST_FOREACH_SAFE(hwo, &s->hw_head_out, entries, hwon) { |
ec36b695 | 1618 | SWVoiceCap *sc; |
8ead62cf | 1619 | |
571a8c52 KZ |
1620 | if (hwo->enabled && hwo->pcm_ops->enable_out) { |
1621 | hwo->pcm_ops->enable_out(hwo, false); | |
aeb29b64 | 1622 | } |
1d14ffa9 | 1623 | hwo->pcm_ops->fini_out (hwo); |
8ead62cf | 1624 | |
ec36b695 FB |
1625 | for (sc = hwo->cap_head.lh_first; sc; sc = sc->entries.le_next) { |
1626 | CaptureVoiceOut *cap = sc->cap; | |
1627 | struct capture_callback *cb; | |
1628 | ||
1629 | for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) { | |
1630 | cb->ops.destroy (cb->opaque); | |
1631 | } | |
8ead62cf | 1632 | } |
a384c205 | 1633 | QLIST_REMOVE(hwo, entries); |
1d14ffa9 | 1634 | } |
85571bc7 | 1635 | |
526fb058 | 1636 | QLIST_FOREACH_SAFE(hwi, &s->hw_head_in, entries, hwin) { |
571a8c52 KZ |
1637 | if (hwi->enabled && hwi->pcm_ops->enable_in) { |
1638 | hwi->pcm_ops->enable_in(hwi, false); | |
aeb29b64 | 1639 | } |
1d14ffa9 | 1640 | hwi->pcm_ops->fini_in (hwi); |
a384c205 | 1641 | QLIST_REMOVE(hwi, entries); |
85571bc7 | 1642 | } |
c0fe3827 FB |
1643 | |
1644 | if (s->drv) { | |
1645 | s->drv->fini (s->drv_opaque); | |
a384c205 | 1646 | s->drv = NULL; |
c0fe3827 | 1647 | } |
71830221 KZ |
1648 | |
1649 | if (s->dev) { | |
1650 | qapi_free_Audiodev(s->dev); | |
1651 | s->dev = NULL; | |
1652 | } | |
e76ba19a KZ |
1653 | |
1654 | if (s->ts) { | |
1655 | timer_free(s->ts); | |
1656 | s->ts = NULL; | |
1657 | } | |
1658 | ||
ecd97e95 KZ |
1659 | g_free(s); |
1660 | } | |
1661 | ||
1662 | void audio_cleanup(void) | |
1663 | { | |
22f84d4f | 1664 | default_audio_state = NULL; |
ecd97e95 KZ |
1665 | while (!QTAILQ_EMPTY(&audio_states)) { |
1666 | AudioState *s = QTAILQ_FIRST(&audio_states); | |
1667 | QTAILQ_REMOVE(&audio_states, s, list); | |
1668 | free_audio_state(s); | |
1669 | } | |
85571bc7 FB |
1670 | } |
1671 | ||
da77adba DDAG |
1672 | static bool vmstate_audio_needed(void *opaque) |
1673 | { | |
1674 | /* | |
1675 | * Never needed, this vmstate only exists in case | |
1676 | * an old qemu sends it to us. | |
1677 | */ | |
1678 | return false; | |
1679 | } | |
1680 | ||
d959fce9 JQ |
1681 | static const VMStateDescription vmstate_audio = { |
1682 | .name = "audio", | |
1683 | .version_id = 1, | |
1684 | .minimum_version_id = 1, | |
da77adba | 1685 | .needed = vmstate_audio_needed, |
9673d715 | 1686 | .fields = (const VMStateField[]) { |
d959fce9 | 1687 | VMSTATE_END_OF_LIST() |
1d14ffa9 | 1688 | } |
d959fce9 | 1689 | }; |
85571bc7 | 1690 | |
c753bf47 | 1691 | void audio_create_default_audiodevs(void) |
71830221 | 1692 | { |
69a80279 | 1693 | for (int i = 0; audio_prio_list[i]; i++) { |
69a80279 PB |
1694 | if (audio_driver_lookup(audio_prio_list[i])) { |
1695 | QDict *dict = qdict_new(); | |
1696 | Audiodev *dev = NULL; | |
69a80279 PB |
1697 | Visitor *v; |
1698 | ||
1699 | qdict_put_str(dict, "driver", audio_prio_list[i]); | |
1700 | qdict_put_str(dict, "id", "#default"); | |
1701 | ||
1702 | v = qobject_input_visitor_new_keyval(QOBJECT(dict)); | |
1703 | qobject_unref(dict); | |
1704 | visit_type_Audiodev(v, NULL, &dev, &error_fatal); | |
1705 | visit_free(v); | |
1706 | ||
8f527a3c | 1707 | audio_define_default(dev, &error_abort); |
69a80279 PB |
1708 | } |
1709 | } | |
71830221 KZ |
1710 | } |
1711 | ||
ecd97e95 KZ |
1712 | /* |
1713 | * if we have dev, this function was called because of an -audiodev argument => | |
1714 | * initialize a new state with it | |
1715 | * if dev == NULL => legacy implicit initialization, return the already created | |
1716 | * state or create a new one | |
1717 | */ | |
cb94ff5f | 1718 | static AudioState *audio_init(Audiodev *dev, Error **errp) |
85571bc7 | 1719 | { |
ecd97e95 | 1720 | static bool atexit_registered; |
85571bc7 | 1721 | int done = 0; |
e3299631 | 1722 | const char *drvname; |
417f8c8e | 1723 | VMChangeStateEntry *vmse; |
ecd97e95 | 1724 | AudioState *s; |
d3893a39 | 1725 | struct audio_driver *driver; |
f0c4555e | 1726 | |
b21e2380 | 1727 | s = g_new0(AudioState, 1); |
71830221 | 1728 | |
72cf2d4f BS |
1729 | QLIST_INIT (&s->hw_head_out); |
1730 | QLIST_INIT (&s->hw_head_in); | |
1731 | QLIST_INIT (&s->cap_head); | |
ecd97e95 KZ |
1732 | if (!atexit_registered) { |
1733 | atexit(audio_cleanup); | |
1734 | atexit_registered = true; | |
1735 | } | |
571ec3d6 | 1736 | |
bc72ad67 | 1737 | s->ts = timer_new_ns(QEMU_CLOCK_VIRTUAL, audio_timer, s); |
571ec3d6 | 1738 | |
e3299631 PB |
1739 | if (dev) { |
1740 | /* -audiodev option */ | |
1741 | s->dev = dev; | |
1742 | drvname = AudiodevDriver_str(dev->driver); | |
d3893a39 GH |
1743 | driver = audio_driver_lookup(drvname); |
1744 | if (driver) { | |
cb94ff5f | 1745 | done = !audio_driver_init(s, driver, dev, errp); |
d3893a39 | 1746 | } else { |
09a36158 | 1747 | error_setg(errp, "Unknown audio driver `%s'", drvname); |
85571bc7 | 1748 | } |
0f957c53 | 1749 | if (!done) { |
69a80279 | 1750 | goto out; |
0f957c53 | 1751 | } |
71830221 | 1752 | } else { |
22f84d4f | 1753 | assert(!default_audio_state); |
69a80279 PB |
1754 | for (;;) { |
1755 | AudiodevListEntry *e = QSIMPLEQ_FIRST(&default_audiodevs); | |
1756 | if (!e) { | |
cb94ff5f | 1757 | error_setg(errp, "no default audio driver available"); |
69a80279 | 1758 | goto out; |
1d14ffa9 | 1759 | } |
69a80279 | 1760 | s->dev = dev = e->dev; |
e4b9d199 AO |
1761 | QSIMPLEQ_REMOVE_HEAD(&default_audiodevs, next); |
1762 | g_free(e); | |
69a80279 PB |
1763 | drvname = AudiodevDriver_str(dev->driver); |
1764 | driver = audio_driver_lookup(drvname); | |
cb94ff5f | 1765 | if (!audio_driver_init(s, driver, dev, NULL)) { |
69a80279 PB |
1766 | break; |
1767 | } | |
e4b9d199 AO |
1768 | qapi_free_Audiodev(dev); |
1769 | s->dev = NULL; | |
85571bc7 | 1770 | } |
85571bc7 | 1771 | } |
1d14ffa9 | 1772 | |
71830221 KZ |
1773 | if (dev->timer_period <= 0) { |
1774 | s->period_ticks = 1; | |
0d9acba8 | 1775 | } else { |
40ad46d3 | 1776 | s->period_ticks = dev->timer_period * (int64_t)SCALE_US; |
1d14ffa9 | 1777 | } |
0d9acba8 | 1778 | |
417f8c8e PB |
1779 | vmse = qemu_add_vm_change_state_handler (audio_vm_change_state_handler, s); |
1780 | if (!vmse) { | |
0d9acba8 PB |
1781 | dolog ("warning: Could not register change state handler\n" |
1782 | "(Audio can continue looping even after stopping the VM)\n"); | |
1d14ffa9 FB |
1783 | } |
1784 | ||
0f957c53 | 1785 | QTAILQ_INSERT_TAIL(&audio_states, s, list); |
72cf2d4f | 1786 | QLIST_INIT (&s->card_head); |
a9500913 | 1787 | vmstate_register_any(NULL, &vmstate_audio, s); |
ecd97e95 | 1788 | return s; |
71830221 | 1789 | |
69a80279 PB |
1790 | out: |
1791 | free_audio_state(s); | |
1792 | return NULL; | |
85571bc7 | 1793 | } |
8ead62cf | 1794 | |
63a13c08 | 1795 | AudioState *audio_get_default_audio_state(Error **errp) |
1a7dafce | 1796 | { |
63a13c08 PB |
1797 | if (!default_audio_state) { |
1798 | default_audio_state = audio_init(NULL, errp); | |
22f84d4f | 1799 | if (!default_audio_state) { |
63a13c08 PB |
1800 | if (!QSIMPLEQ_EMPTY(&audiodevs)) { |
1801 | error_append_hint(errp, "Perhaps you wanted to use -audio or set audiodev=%s?\n", | |
1802 | QSIMPLEQ_FIRST(&audiodevs)->dev->id); | |
cb94ff5f | 1803 | } |
e3299631 | 1804 | } |
63a13c08 PB |
1805 | } |
1806 | ||
1807 | return default_audio_state; | |
1808 | } | |
1809 | ||
1810 | bool AUD_register_card (const char *name, QEMUSoundCard *card, Error **errp) | |
1811 | { | |
1812 | if (!card->state) { | |
1813 | card->state = audio_get_default_audio_state(errp); | |
1814 | if (!card->state) { | |
1815 | return false; | |
1816 | } | |
ecd97e95 KZ |
1817 | } |
1818 | ||
7267c094 | 1819 | card->name = g_strdup (name); |
1a7dafce | 1820 | memset (&card->entries, 0, sizeof (card->entries)); |
ecd97e95 | 1821 | QLIST_INSERT_HEAD(&card->state->card_head, card, entries); |
cb94ff5f MK |
1822 | |
1823 | return true; | |
1a7dafce | 1824 | } |
1825 | ||
1826 | void AUD_remove_card (QEMUSoundCard *card) | |
1827 | { | |
72cf2d4f | 1828 | QLIST_REMOVE (card, entries); |
7267c094 | 1829 | g_free (card->name); |
1a7dafce | 1830 | } |
1831 | ||
33940dd3 | 1832 | static struct audio_pcm_ops capture_pcm_ops; |
1a7dafce | 1833 | |
ecd97e95 KZ |
1834 | CaptureVoiceOut *AUD_add_capture( |
1835 | AudioState *s, | |
1ea879e5 | 1836 | struct audsettings *as, |
8ead62cf FB |
1837 | struct audio_capture_ops *ops, |
1838 | void *cb_opaque | |
1839 | ) | |
1840 | { | |
1841 | CaptureVoiceOut *cap; | |
1842 | struct capture_callback *cb; | |
1843 | ||
ecd97e95 | 1844 | if (!s) { |
aaa6a6f9 MK |
1845 | error_report("Capturing without setting an audiodev is not supported"); |
1846 | abort(); | |
ecd97e95 KZ |
1847 | } |
1848 | ||
1930616b KZ |
1849 | if (!audio_get_pdo_out(s->dev)->mixing_engine) { |
1850 | dolog("Can't capture with mixeng disabled\n"); | |
1851 | return NULL; | |
1852 | } | |
1853 | ||
ec36b695 | 1854 | if (audio_validate_settings (as)) { |
8ead62cf FB |
1855 | dolog ("Invalid settings were passed when trying to add capture\n"); |
1856 | audio_print_settings (as); | |
e8d85444 | 1857 | return NULL; |
8ead62cf FB |
1858 | } |
1859 | ||
e8d85444 | 1860 | cb = g_malloc0(sizeof(*cb)); |
8ead62cf FB |
1861 | cb->ops = *ops; |
1862 | cb->opaque = cb_opaque; | |
1863 | ||
526fb058 | 1864 | cap = audio_pcm_capture_find_specific(s, as); |
8ead62cf | 1865 | if (cap) { |
72cf2d4f | 1866 | QLIST_INSERT_HEAD (&cap->cb_head, cb, entries); |
6c6886bd | 1867 | } else { |
8ead62cf | 1868 | HWVoiceOut *hw; |
8ead62cf | 1869 | |
e8d85444 | 1870 | cap = g_malloc0(sizeof(*cap)); |
8ead62cf FB |
1871 | |
1872 | hw = &cap->hw; | |
526fb058 | 1873 | hw->s = s; |
33940dd3 | 1874 | hw->pcm_ops = &capture_pcm_ops; |
72cf2d4f BS |
1875 | QLIST_INIT (&hw->sw_head); |
1876 | QLIST_INIT (&cap->cb_head); | |
8ead62cf FB |
1877 | |
1878 | /* XXX find a more elegant way */ | |
1879 | hw->samples = 4096 * 4; | |
dc88e38f | 1880 | audio_pcm_hw_alloc_resources_out(hw); |
8ead62cf | 1881 | |
d929eba5 | 1882 | audio_pcm_init_info (&hw->info, as); |
8ead62cf | 1883 | |
8dbd3d17 | 1884 | cap->buf = g_malloc0_n(hw->mix_buf.size, hw->info.bytes_per_frame); |
8ead62cf | 1885 | |
ed2a4a79 KZ |
1886 | if (hw->info.is_float) { |
1887 | hw->clip = mixeng_clip_float[hw->info.nchannels == 2]; | |
1888 | } else { | |
1889 | hw->clip = mixeng_clip | |
1890 | [hw->info.nchannels == 2] | |
1891 | [hw->info.is_signed] | |
1892 | [hw->info.swap_endianness] | |
1893 | [audio_bits_to_index(hw->info.bits)]; | |
1894 | } | |
8ead62cf | 1895 | |
72cf2d4f BS |
1896 | QLIST_INSERT_HEAD (&s->cap_head, cap, entries); |
1897 | QLIST_INSERT_HEAD (&cap->cb_head, cb, entries); | |
8ead62cf | 1898 | |
526fb058 | 1899 | QLIST_FOREACH(hw, &s->hw_head_out, entries) { |
1a7dafce | 1900 | audio_attach_capture (hw); |
8ead62cf | 1901 | } |
ec36b695 | 1902 | } |
417f8c8e PB |
1903 | |
1904 | return cap; | |
ec36b695 FB |
1905 | } |
1906 | ||
1907 | void AUD_del_capture (CaptureVoiceOut *cap, void *cb_opaque) | |
1908 | { | |
1909 | struct capture_callback *cb; | |
1910 | ||
1911 | for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) { | |
1912 | if (cb->opaque == cb_opaque) { | |
1913 | cb->ops.destroy (cb_opaque); | |
72cf2d4f | 1914 | QLIST_REMOVE (cb, entries); |
7267c094 | 1915 | g_free (cb); |
ec36b695 FB |
1916 | |
1917 | if (!cap->cb_head.lh_first) { | |
1918 | SWVoiceOut *sw = cap->hw.sw_head.lh_first, *sw1; | |
a3c25997 | 1919 | |
ec36b695 | 1920 | while (sw) { |
a3c25997 | 1921 | SWVoiceCap *sc = (SWVoiceCap *) sw; |
ec36b695 FB |
1922 | #ifdef DEBUG_CAPTURE |
1923 | dolog ("freeing %s\n", sw->name); | |
1924 | #endif | |
a3c25997 | 1925 | |
ec36b695 FB |
1926 | sw1 = sw->entries.le_next; |
1927 | if (sw->rate) { | |
1928 | st_rate_stop (sw->rate); | |
1929 | sw->rate = NULL; | |
1930 | } | |
72cf2d4f BS |
1931 | QLIST_REMOVE (sw, entries); |
1932 | QLIST_REMOVE (sc, entries); | |
7267c094 | 1933 | g_free (sc); |
ec36b695 FB |
1934 | sw = sw1; |
1935 | } | |
72cf2d4f | 1936 | QLIST_REMOVE (cap, entries); |
8dbd3d17 | 1937 | g_free(cap->hw.mix_buf.buffer); |
3268a845 | 1938 | g_free (cap->buf); |
7267c094 | 1939 | g_free (cap); |
ec36b695 FB |
1940 | } |
1941 | return; | |
1942 | } | |
8ead62cf FB |
1943 | } |
1944 | } | |
683efdcb AZ |
1945 | |
1946 | void AUD_set_volume_out (SWVoiceOut *sw, int mute, uint8_t lvol, uint8_t rvol) | |
cecc1e79 KZ |
1947 | { |
1948 | Volume vol = { .mute = mute, .channels = 2, .vol = { lvol, rvol } }; | |
1949 | audio_set_volume_out(sw, &vol); | |
1950 | } | |
1951 | ||
1952 | void audio_set_volume_out(SWVoiceOut *sw, Volume *vol) | |
683efdcb AZ |
1953 | { |
1954 | if (sw) { | |
6c95ab94 MAL |
1955 | HWVoiceOut *hw = sw->hw; |
1956 | ||
cecc1e79 KZ |
1957 | sw->vol.mute = vol->mute; |
1958 | sw->vol.l = nominal_volume.l * vol->vol[0] / 255; | |
1959 | sw->vol.r = nominal_volume.l * vol->vol[vol->channels > 1 ? 1 : 0] / | |
1960 | 255; | |
6c95ab94 | 1961 | |
571a8c52 | 1962 | if (hw->pcm_ops->volume_out) { |
cecc1e79 | 1963 | hw->pcm_ops->volume_out(hw, vol); |
6c95ab94 | 1964 | } |
683efdcb AZ |
1965 | } |
1966 | } | |
1967 | ||
1968 | void AUD_set_volume_in (SWVoiceIn *sw, int mute, uint8_t lvol, uint8_t rvol) | |
cecc1e79 KZ |
1969 | { |
1970 | Volume vol = { .mute = mute, .channels = 2, .vol = { lvol, rvol } }; | |
1971 | audio_set_volume_in(sw, &vol); | |
1972 | } | |
1973 | ||
1974 | void audio_set_volume_in(SWVoiceIn *sw, Volume *vol) | |
683efdcb AZ |
1975 | { |
1976 | if (sw) { | |
6c95ab94 MAL |
1977 | HWVoiceIn *hw = sw->hw; |
1978 | ||
cecc1e79 KZ |
1979 | sw->vol.mute = vol->mute; |
1980 | sw->vol.l = nominal_volume.l * vol->vol[0] / 255; | |
1981 | sw->vol.r = nominal_volume.r * vol->vol[vol->channels > 1 ? 1 : 0] / | |
1982 | 255; | |
6c95ab94 | 1983 | |
571a8c52 | 1984 | if (hw->pcm_ops->volume_in) { |
cecc1e79 | 1985 | hw->pcm_ops->volume_in(hw, vol); |
6c95ab94 | 1986 | } |
683efdcb AZ |
1987 | } |
1988 | } | |
71830221 KZ |
1989 | |
1990 | void audio_create_pdos(Audiodev *dev) | |
1991 | { | |
1992 | switch (dev->driver) { | |
1993 | #define CASE(DRIVER, driver, pdo_name) \ | |
1994 | case AUDIODEV_DRIVER_##DRIVER: \ | |
ceb19c8f | 1995 | if (!dev->u.driver.in) { \ |
71830221 KZ |
1996 | dev->u.driver.in = g_malloc0( \ |
1997 | sizeof(Audiodev##pdo_name##PerDirectionOptions)); \ | |
71830221 | 1998 | } \ |
ceb19c8f | 1999 | if (!dev->u.driver.out) { \ |
71830221 | 2000 | dev->u.driver.out = g_malloc0( \ |
725662d6 | 2001 | sizeof(Audiodev##pdo_name##PerDirectionOptions)); \ |
71830221 KZ |
2002 | } \ |
2003 | break | |
2004 | ||
2005 | CASE(NONE, none, ); | |
7a92a857 | 2006 | #ifdef CONFIG_AUDIO_ALSA |
71830221 | 2007 | CASE(ALSA, alsa, Alsa); |
7a92a857 DB |
2008 | #endif |
2009 | #ifdef CONFIG_AUDIO_COREAUDIO | |
71830221 | 2010 | CASE(COREAUDIO, coreaudio, Coreaudio); |
7a92a857 DB |
2011 | #endif |
2012 | #ifdef CONFIG_DBUS_DISPLAY | |
739362d4 | 2013 | CASE(DBUS, dbus, ); |
7a92a857 DB |
2014 | #endif |
2015 | #ifdef CONFIG_AUDIO_DSOUND | |
71830221 | 2016 | CASE(DSOUND, dsound, ); |
7a92a857 DB |
2017 | #endif |
2018 | #ifdef CONFIG_AUDIO_JACK | |
2e445703 | 2019 | CASE(JACK, jack, Jack); |
7a92a857 DB |
2020 | #endif |
2021 | #ifdef CONFIG_AUDIO_OSS | |
71830221 | 2022 | CASE(OSS, oss, Oss); |
7a92a857 DB |
2023 | #endif |
2024 | #ifdef CONFIG_AUDIO_PA | |
71830221 | 2025 | CASE(PA, pa, Pa); |
7a92a857 | 2026 | #endif |
c2d3d1c2 DB |
2027 | #ifdef CONFIG_AUDIO_PIPEWIRE |
2028 | CASE(PIPEWIRE, pipewire, Pipewire); | |
2029 | #endif | |
7a92a857 | 2030 | #ifdef CONFIG_AUDIO_SDL |
5a0926c2 | 2031 | CASE(SDL, sdl, Sdl); |
7a92a857 DB |
2032 | #endif |
2033 | #ifdef CONFIG_AUDIO_SNDIO | |
663df1cc | 2034 | CASE(SNDIO, sndio, ); |
7a92a857 DB |
2035 | #endif |
2036 | #ifdef CONFIG_SPICE | |
71830221 | 2037 | CASE(SPICE, spice, ); |
7a92a857 | 2038 | #endif |
71830221 KZ |
2039 | CASE(WAV, wav, ); |
2040 | ||
2041 | case AUDIODEV_DRIVER__MAX: | |
2042 | abort(); | |
2043 | }; | |
2044 | } | |
2045 | ||
2046 | static void audio_validate_per_direction_opts( | |
2047 | AudiodevPerDirectionOptions *pdo, Error **errp) | |
2048 | { | |
1930616b KZ |
2049 | if (!pdo->has_mixing_engine) { |
2050 | pdo->has_mixing_engine = true; | |
2051 | pdo->mixing_engine = true; | |
2052 | } | |
71830221 KZ |
2053 | if (!pdo->has_fixed_settings) { |
2054 | pdo->has_fixed_settings = true; | |
1930616b | 2055 | pdo->fixed_settings = pdo->mixing_engine; |
71830221 KZ |
2056 | } |
2057 | if (!pdo->fixed_settings && | |
2058 | (pdo->has_frequency || pdo->has_channels || pdo->has_format)) { | |
2059 | error_setg(errp, | |
2060 | "You can't use frequency, channels or format with fixed-settings=off"); | |
2061 | return; | |
2062 | } | |
1930616b KZ |
2063 | if (!pdo->mixing_engine && pdo->fixed_settings) { |
2064 | error_setg(errp, "You can't use fixed-settings without mixeng"); | |
2065 | return; | |
2066 | } | |
71830221 KZ |
2067 | |
2068 | if (!pdo->has_frequency) { | |
2069 | pdo->has_frequency = true; | |
2070 | pdo->frequency = 44100; | |
2071 | } | |
2072 | if (!pdo->has_channels) { | |
2073 | pdo->has_channels = true; | |
2074 | pdo->channels = 2; | |
2075 | } | |
2076 | if (!pdo->has_voices) { | |
2077 | pdo->has_voices = true; | |
1930616b | 2078 | pdo->voices = pdo->mixing_engine ? 1 : INT_MAX; |
71830221 KZ |
2079 | } |
2080 | if (!pdo->has_format) { | |
2081 | pdo->has_format = true; | |
2082 | pdo->format = AUDIO_FORMAT_S16; | |
2083 | } | |
2084 | } | |
2085 | ||
2086 | static void audio_validate_opts(Audiodev *dev, Error **errp) | |
2087 | { | |
2088 | Error *err = NULL; | |
2089 | ||
2090 | audio_create_pdos(dev); | |
2091 | ||
2092 | audio_validate_per_direction_opts(audio_get_pdo_in(dev), &err); | |
2093 | if (err) { | |
2094 | error_propagate(errp, err); | |
2095 | return; | |
2096 | } | |
2097 | ||
2098 | audio_validate_per_direction_opts(audio_get_pdo_out(dev), &err); | |
2099 | if (err) { | |
2100 | error_propagate(errp, err); | |
2101 | return; | |
2102 | } | |
2103 | ||
2104 | if (!dev->has_timer_period) { | |
2105 | dev->has_timer_period = true; | |
2106 | dev->timer_period = 10000; /* 100Hz -> 10ms */ | |
2107 | } | |
2108 | } | |
2109 | ||
5e03b6da CF |
2110 | void audio_help(void) |
2111 | { | |
2112 | int i; | |
2113 | ||
2114 | printf("Available audio drivers:\n"); | |
2115 | ||
2116 | for (i = 0; i < AUDIODEV_DRIVER__MAX; i++) { | |
2117 | audio_driver *driver = audio_driver_lookup(AudiodevDriver_str(i)); | |
2118 | if (driver) { | |
2119 | printf("%s\n", driver->name); | |
2120 | } | |
2121 | } | |
2122 | } | |
2123 | ||
71830221 KZ |
2124 | void audio_parse_option(const char *opt) |
2125 | { | |
71830221 KZ |
2126 | Audiodev *dev = NULL; |
2127 | ||
5e03b6da CF |
2128 | if (is_help_option(opt)) { |
2129 | audio_help(); | |
2130 | exit(EXIT_SUCCESS); | |
2131 | } | |
71830221 KZ |
2132 | Visitor *v = qobject_input_visitor_new_str(opt, "driver", &error_fatal); |
2133 | visit_type_Audiodev(v, NULL, &dev, &error_fatal); | |
2134 | visit_free(v); | |
2135 | ||
039a6837 PB |
2136 | audio_define(dev); |
2137 | } | |
2138 | ||
2139 | void audio_define(Audiodev *dev) | |
2140 | { | |
2141 | AudiodevListEntry *e; | |
2142 | ||
71830221 KZ |
2143 | audio_validate_opts(dev, &error_fatal); |
2144 | ||
b21e2380 | 2145 | e = g_new0(AudiodevListEntry, 1); |
71830221 KZ |
2146 | e->dev = dev; |
2147 | QSIMPLEQ_INSERT_TAIL(&audiodevs, e, next); | |
2148 | } | |
2149 | ||
8f527a3c PB |
2150 | void audio_define_default(Audiodev *dev, Error **errp) |
2151 | { | |
2152 | AudiodevListEntry *e; | |
2153 | ||
2154 | audio_validate_opts(dev, errp); | |
2155 | ||
2156 | e = g_new0(AudiodevListEntry, 1); | |
2157 | e->dev = dev; | |
2158 | QSIMPLEQ_INSERT_TAIL(&default_audiodevs, e, next); | |
2159 | } | |
2160 | ||
cb94ff5f | 2161 | void audio_init_audiodevs(void) |
71830221 KZ |
2162 | { |
2163 | AudiodevListEntry *e; | |
2164 | ||
2165 | QSIMPLEQ_FOREACH(e, &audiodevs, next) { | |
cb94ff5f | 2166 | audio_init(e->dev, &error_fatal); |
71830221 KZ |
2167 | } |
2168 | } | |
2169 | ||
2170 | audsettings audiodev_to_audsettings(AudiodevPerDirectionOptions *pdo) | |
2171 | { | |
2172 | return (audsettings) { | |
2173 | .freq = pdo->frequency, | |
2174 | .nchannels = pdo->channels, | |
2175 | .fmt = pdo->format, | |
2176 | .endianness = AUDIO_HOST_ENDIANNESS, | |
2177 | }; | |
2178 | } | |
2179 | ||
2180 | int audioformat_bytes_per_sample(AudioFormat fmt) | |
2181 | { | |
2182 | switch (fmt) { | |
2183 | case AUDIO_FORMAT_U8: | |
2184 | case AUDIO_FORMAT_S8: | |
2185 | return 1; | |
2186 | ||
2187 | case AUDIO_FORMAT_U16: | |
2188 | case AUDIO_FORMAT_S16: | |
2189 | return 2; | |
2190 | ||
2191 | case AUDIO_FORMAT_U32: | |
2192 | case AUDIO_FORMAT_S32: | |
ed2a4a79 | 2193 | case AUDIO_FORMAT_F32: |
71830221 KZ |
2194 | return 4; |
2195 | ||
2196 | case AUDIO_FORMAT__MAX: | |
2197 | ; | |
2198 | } | |
2199 | abort(); | |
2200 | } | |
2201 | ||
2202 | ||
2203 | /* frames = freq * usec / 1e6 */ | |
2204 | int audio_buffer_frames(AudiodevPerDirectionOptions *pdo, | |
2205 | audsettings *as, int def_usecs) | |
2206 | { | |
2207 | uint64_t usecs = pdo->has_buffer_length ? pdo->buffer_length : def_usecs; | |
2208 | return (as->freq * usecs + 500000) / 1000000; | |
2209 | } | |
2210 | ||
2211 | /* samples = channels * frames = channels * freq * usec / 1e6 */ | |
2212 | int audio_buffer_samples(AudiodevPerDirectionOptions *pdo, | |
2213 | audsettings *as, int def_usecs) | |
2214 | { | |
2215 | return as->nchannels * audio_buffer_frames(pdo, as, def_usecs); | |
2216 | } | |
2217 | ||
2218 | /* | |
2219 | * bytes = bytes_per_sample * samples = | |
2220 | * bytes_per_sample * channels * freq * usec / 1e6 | |
2221 | */ | |
2222 | int audio_buffer_bytes(AudiodevPerDirectionOptions *pdo, | |
2223 | audsettings *as, int def_usecs) | |
2224 | { | |
2225 | return audio_buffer_samples(pdo, as, def_usecs) * | |
2226 | audioformat_bytes_per_sample(as->fmt); | |
2227 | } | |
ecd97e95 | 2228 | |
176adafc | 2229 | AudioState *audio_state_by_name(const char *name, Error **errp) |
ecd97e95 KZ |
2230 | { |
2231 | AudioState *s; | |
2232 | QTAILQ_FOREACH(s, &audio_states, list) { | |
2233 | assert(s->dev); | |
2234 | if (strcmp(name, s->dev->id) == 0) { | |
2235 | return s; | |
2236 | } | |
2237 | } | |
176adafc | 2238 | error_setg(errp, "audiodev '%s' not found", name); |
ecd97e95 KZ |
2239 | return NULL; |
2240 | } | |
2241 | ||
2242 | const char *audio_get_id(QEMUSoundCard *card) | |
2243 | { | |
2244 | if (card->state) { | |
2245 | assert(card->state->dev); | |
2246 | return card->state->dev->id; | |
2247 | } else { | |
2248 | return ""; | |
2249 | } | |
2250 | } | |
857271a2 | 2251 | |
37a54d05 VR |
2252 | const char *audio_application_name(void) |
2253 | { | |
2254 | const char *vm_name; | |
2255 | ||
2256 | vm_name = qemu_get_vm_name(); | |
2257 | return vm_name ? vm_name : "qemu"; | |
2258 | } | |
2259 | ||
857271a2 KZ |
2260 | void audio_rate_start(RateCtl *rate) |
2261 | { | |
2262 | memset(rate, 0, sizeof(RateCtl)); | |
2263 | rate->start_ticks = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); | |
2264 | } | |
2265 | ||
02732641 | 2266 | size_t audio_rate_peek_bytes(RateCtl *rate, struct audio_pcm_info *info) |
857271a2 KZ |
2267 | { |
2268 | int64_t now; | |
2269 | int64_t ticks; | |
2270 | int64_t bytes; | |
02732641 | 2271 | int64_t frames; |
857271a2 KZ |
2272 | |
2273 | now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); | |
2274 | ticks = now - rate->start_ticks; | |
2275 | bytes = muldiv64(ticks, info->bytes_per_second, NANOSECONDS_PER_SECOND); | |
02732641 VR |
2276 | frames = (bytes - rate->bytes_sent) / info->bytes_per_frame; |
2277 | if (frames < 0 || frames > 65536) { | |
2278 | AUD_log(NULL, "Resetting rate control (%" PRId64 " frames)\n", frames); | |
857271a2 | 2279 | audio_rate_start(rate); |
02732641 | 2280 | frames = 0; |
857271a2 KZ |
2281 | } |
2282 | ||
02732641 VR |
2283 | return frames * info->bytes_per_frame; |
2284 | } | |
2285 | ||
2286 | void audio_rate_add_bytes(RateCtl *rate, size_t bytes_used) | |
2287 | { | |
2288 | rate->bytes_sent += bytes_used; | |
2289 | } | |
2290 | ||
613fe02b | 2291 | size_t audio_rate_get_bytes(RateCtl *rate, struct audio_pcm_info *info, |
02732641 VR |
2292 | size_t bytes_avail) |
2293 | { | |
2294 | size_t bytes; | |
2295 | ||
2296 | bytes = audio_rate_peek_bytes(rate, info); | |
2297 | bytes = MIN(bytes, bytes_avail); | |
2298 | audio_rate_add_bytes(rate, bytes); | |
2299 | ||
2300 | return bytes; | |
857271a2 | 2301 | } |
637d1809 DB |
2302 | |
2303 | AudiodevList *qmp_query_audiodevs(Error **errp) | |
2304 | { | |
2305 | AudiodevList *ret = NULL; | |
2306 | AudiodevListEntry *e; | |
2307 | QSIMPLEQ_FOREACH(e, &audiodevs, next) { | |
2308 | QAPI_LIST_PREPEND(ret, QAPI_CLONE(Audiodev, e->dev)); | |
2309 | } | |
2310 | return ret; | |
2311 | } |