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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" |
f348b6d1 | 35 | #include "qemu/cutils.h" |
f6061733 | 36 | #include "qemu/error-report.h" |
b9ae74e2 | 37 | #include "qemu/log.h" |
0b8fa32f | 38 | #include "qemu/module.h" |
5e03b6da | 39 | #include "qemu/help_option.h" |
89fc45d5 | 40 | #include "sysemu/sysemu.h" |
3d4d16f4 | 41 | #include "sysemu/replay.h" |
54d31236 | 42 | #include "sysemu/runstate.h" |
f0c4555e | 43 | #include "ui/qemu-spice.h" |
1a961e78 | 44 | #include "trace.h" |
85571bc7 | 45 | |
1d14ffa9 FB |
46 | #define AUDIO_CAP "audio" |
47 | #include "audio_int.h" | |
85571bc7 | 48 | |
1d14ffa9 FB |
49 | /* #define DEBUG_LIVE */ |
50 | /* #define DEBUG_OUT */ | |
8ead62cf | 51 | /* #define DEBUG_CAPTURE */ |
713a98f8 | 52 | /* #define DEBUG_POLL */ |
85571bc7 | 53 | |
c0fe3827 FB |
54 | #define SW_NAME(sw) (sw)->name ? (sw)->name : "unknown" |
55 | ||
2358a494 JQ |
56 | |
57 | /* Order of CONFIG_AUDIO_DRIVERS is import. | |
58 | The 1st one is the one used by default, that is the reason | |
59 | that we generate the list. | |
60 | */ | |
71830221 | 61 | const char *audio_prio_list[] = { |
d3893a39 | 62 | "spice", |
2358a494 | 63 | CONFIG_AUDIO_DRIVERS |
d3893a39 GH |
64 | "none", |
65 | "wav", | |
71830221 | 66 | NULL |
1d14ffa9 | 67 | }; |
85571bc7 | 68 | |
d3893a39 | 69 | static QLIST_HEAD(, audio_driver) audio_drivers; |
71830221 | 70 | static AudiodevListHead audiodevs = QSIMPLEQ_HEAD_INITIALIZER(audiodevs); |
d3893a39 GH |
71 | |
72 | void audio_driver_register(audio_driver *drv) | |
73 | { | |
74 | QLIST_INSERT_HEAD(&audio_drivers, drv, next); | |
75 | } | |
76 | ||
77 | audio_driver *audio_driver_lookup(const char *name) | |
78 | { | |
79 | struct audio_driver *d; | |
c551fb0b CF |
80 | Error *local_err = NULL; |
81 | int rv; | |
d3893a39 GH |
82 | |
83 | QLIST_FOREACH(d, &audio_drivers, next) { | |
84 | if (strcmp(name, d->name) == 0) { | |
85 | return d; | |
86 | } | |
87 | } | |
c551fb0b CF |
88 | rv = audio_module_load(name, &local_err); |
89 | if (rv > 0) { | |
90 | QLIST_FOREACH(d, &audio_drivers, next) { | |
91 | if (strcmp(name, d->name) == 0) { | |
92 | return d; | |
93 | } | |
65ba8696 | 94 | } |
c551fb0b CF |
95 | } else if (rv < 0) { |
96 | error_report_err(local_err); | |
65ba8696 | 97 | } |
d3893a39 GH |
98 | return NULL; |
99 | } | |
100 | ||
ecd97e95 KZ |
101 | static QTAILQ_HEAD(AudioStateHead, AudioState) audio_states = |
102 | QTAILQ_HEAD_INITIALIZER(audio_states); | |
c0fe3827 | 103 | |
00e07679 | 104 | const struct mixeng_volume nominal_volume = { |
14658cd1 | 105 | .mute = 0, |
1d14ffa9 | 106 | #ifdef FLOAT_MIXENG |
14658cd1 JQ |
107 | .r = 1.0, |
108 | .l = 1.0, | |
1d14ffa9 | 109 | #else |
14658cd1 JQ |
110 | .r = 1ULL << 32, |
111 | .l = 1ULL << 32, | |
1d14ffa9 | 112 | #endif |
85571bc7 FB |
113 | }; |
114 | ||
af2041ed KZ |
115 | static bool legacy_config = true; |
116 | ||
1d14ffa9 | 117 | int audio_bug (const char *funcname, int cond) |
85571bc7 | 118 | { |
1d14ffa9 FB |
119 | if (cond) { |
120 | static int shown; | |
121 | ||
8ead62cf | 122 | AUD_log (NULL, "A bug was just triggered in %s\n", funcname); |
1d14ffa9 FB |
123 | if (!shown) { |
124 | shown = 1; | |
125 | AUD_log (NULL, "Save all your work and restart without audio\n"); | |
1d14ffa9 FB |
126 | AUD_log (NULL, "I am sorry\n"); |
127 | } | |
128 | AUD_log (NULL, "Context:\n"); | |
85571bc7 FB |
129 | } |
130 | ||
1d14ffa9 | 131 | return cond; |
85571bc7 FB |
132 | } |
133 | ||
f941aa25 TS |
134 | static inline int audio_bits_to_index (int bits) |
135 | { | |
136 | switch (bits) { | |
137 | case 8: | |
138 | return 0; | |
139 | ||
140 | case 16: | |
141 | return 1; | |
142 | ||
143 | case 32: | |
144 | return 2; | |
145 | ||
146 | default: | |
147 | audio_bug ("bits_to_index", 1); | |
148 | AUD_log (NULL, "invalid bits %d\n", bits); | |
12f4abf6 | 149 | return 0; |
f941aa25 TS |
150 | } |
151 | } | |
152 | ||
541e0844 | 153 | void AUD_vlog (const char *cap, const char *fmt, va_list ap) |
85571bc7 | 154 | { |
06ac27f6 KZ |
155 | if (cap) { |
156 | fprintf(stderr, "%s: ", cap); | |
541e0844 | 157 | } |
541e0844 | 158 | |
06ac27f6 | 159 | vfprintf(stderr, fmt, ap); |
85571bc7 FB |
160 | } |
161 | ||
541e0844 | 162 | void AUD_log (const char *cap, const char *fmt, ...) |
85571bc7 | 163 | { |
541e0844 FB |
164 | va_list ap; |
165 | ||
166 | va_start (ap, fmt); | |
167 | AUD_vlog (cap, fmt, ap); | |
168 | va_end (ap); | |
85571bc7 FB |
169 | } |
170 | ||
1ea879e5 | 171 | static void audio_print_settings (struct audsettings *as) |
c0fe3827 FB |
172 | { |
173 | dolog ("frequency=%d nchannels=%d fmt=", as->freq, as->nchannels); | |
174 | ||
175 | switch (as->fmt) { | |
85bc5852 | 176 | case AUDIO_FORMAT_S8: |
c0fe3827 FB |
177 | AUD_log (NULL, "S8"); |
178 | break; | |
85bc5852 | 179 | case AUDIO_FORMAT_U8: |
c0fe3827 FB |
180 | AUD_log (NULL, "U8"); |
181 | break; | |
85bc5852 | 182 | case AUDIO_FORMAT_S16: |
c0fe3827 FB |
183 | AUD_log (NULL, "S16"); |
184 | break; | |
85bc5852 | 185 | case AUDIO_FORMAT_U16: |
c0fe3827 FB |
186 | AUD_log (NULL, "U16"); |
187 | break; | |
85bc5852 | 188 | case AUDIO_FORMAT_S32: |
d50997f9 | 189 | AUD_log (NULL, "S32"); |
190 | break; | |
85bc5852 | 191 | case AUDIO_FORMAT_U32: |
d50997f9 | 192 | AUD_log (NULL, "U32"); |
193 | break; | |
ed2a4a79 KZ |
194 | case AUDIO_FORMAT_F32: |
195 | AUD_log (NULL, "F32"); | |
196 | break; | |
c0fe3827 FB |
197 | default: |
198 | AUD_log (NULL, "invalid(%d)", as->fmt); | |
199 | break; | |
200 | } | |
ec36b695 FB |
201 | |
202 | AUD_log (NULL, " endianness="); | |
d929eba5 FB |
203 | switch (as->endianness) { |
204 | case 0: | |
205 | AUD_log (NULL, "little"); | |
206 | break; | |
207 | case 1: | |
208 | AUD_log (NULL, "big"); | |
209 | break; | |
210 | default: | |
211 | AUD_log (NULL, "invalid"); | |
212 | break; | |
213 | } | |
c0fe3827 FB |
214 | AUD_log (NULL, "\n"); |
215 | } | |
216 | ||
1ea879e5 | 217 | static int audio_validate_settings (struct audsettings *as) |
c0fe3827 FB |
218 | { |
219 | int invalid; | |
220 | ||
b5c7db3e | 221 | invalid = as->nchannels < 1; |
d929eba5 | 222 | invalid |= as->endianness != 0 && as->endianness != 1; |
c0fe3827 FB |
223 | |
224 | switch (as->fmt) { | |
85bc5852 KZ |
225 | case AUDIO_FORMAT_S8: |
226 | case AUDIO_FORMAT_U8: | |
227 | case AUDIO_FORMAT_S16: | |
228 | case AUDIO_FORMAT_U16: | |
229 | case AUDIO_FORMAT_S32: | |
230 | case AUDIO_FORMAT_U32: | |
ed2a4a79 | 231 | case AUDIO_FORMAT_F32: |
c0fe3827 FB |
232 | break; |
233 | default: | |
234 | invalid = 1; | |
235 | break; | |
236 | } | |
237 | ||
238 | invalid |= as->freq <= 0; | |
d929eba5 | 239 | return invalid ? -1 : 0; |
c0fe3827 FB |
240 | } |
241 | ||
1ea879e5 | 242 | static int audio_pcm_info_eq (struct audio_pcm_info *info, struct audsettings *as) |
85571bc7 | 243 | { |
ed2a4a79 KZ |
244 | int bits = 8; |
245 | bool is_signed = false, is_float = false; | |
85571bc7 | 246 | |
c0fe3827 | 247 | switch (as->fmt) { |
85bc5852 | 248 | case AUDIO_FORMAT_S8: |
ed2a4a79 | 249 | is_signed = true; |
b4bd0b16 | 250 | /* fall through */ |
85bc5852 | 251 | case AUDIO_FORMAT_U8: |
1d14ffa9 FB |
252 | break; |
253 | ||
85bc5852 | 254 | case AUDIO_FORMAT_S16: |
ed2a4a79 | 255 | is_signed = true; |
b4bd0b16 | 256 | /* fall through */ |
85bc5852 | 257 | case AUDIO_FORMAT_U16: |
1d14ffa9 FB |
258 | bits = 16; |
259 | break; | |
f941aa25 | 260 | |
ed2a4a79 KZ |
261 | case AUDIO_FORMAT_F32: |
262 | is_float = true; | |
263 | /* fall through */ | |
85bc5852 | 264 | case AUDIO_FORMAT_S32: |
ed2a4a79 | 265 | is_signed = true; |
b4bd0b16 | 266 | /* fall through */ |
85bc5852 | 267 | case AUDIO_FORMAT_U32: |
f941aa25 TS |
268 | bits = 32; |
269 | break; | |
85bc5852 KZ |
270 | |
271 | default: | |
272 | abort(); | |
85571bc7 | 273 | } |
c0fe3827 FB |
274 | return info->freq == as->freq |
275 | && info->nchannels == as->nchannels | |
ed2a4a79 KZ |
276 | && info->is_signed == is_signed |
277 | && info->is_float == is_float | |
d929eba5 FB |
278 | && info->bits == bits |
279 | && info->swap_endianness == (as->endianness != AUDIO_HOST_ENDIANNESS); | |
1d14ffa9 | 280 | } |
85571bc7 | 281 | |
1ea879e5 | 282 | void audio_pcm_init_info (struct audio_pcm_info *info, struct audsettings *as) |
1d14ffa9 | 283 | { |
ed2a4a79 KZ |
284 | int bits = 8, mul; |
285 | bool is_signed = false, is_float = false; | |
1d14ffa9 | 286 | |
c0fe3827 | 287 | switch (as->fmt) { |
85bc5852 | 288 | case AUDIO_FORMAT_S8: |
ed2a4a79 | 289 | is_signed = true; |
f7621fd1 | 290 | /* fall through */ |
85bc5852 | 291 | case AUDIO_FORMAT_U8: |
2b9cce8c | 292 | mul = 1; |
85571bc7 FB |
293 | break; |
294 | ||
85bc5852 | 295 | case AUDIO_FORMAT_S16: |
ed2a4a79 | 296 | is_signed = true; |
e4634941 | 297 | /* fall through */ |
85bc5852 | 298 | case AUDIO_FORMAT_U16: |
85571bc7 | 299 | bits = 16; |
2b9cce8c | 300 | mul = 2; |
f941aa25 TS |
301 | break; |
302 | ||
ed2a4a79 KZ |
303 | case AUDIO_FORMAT_F32: |
304 | is_float = true; | |
305 | /* fall through */ | |
85bc5852 | 306 | case AUDIO_FORMAT_S32: |
ed2a4a79 | 307 | is_signed = true; |
e4634941 | 308 | /* fall through */ |
85bc5852 | 309 | case AUDIO_FORMAT_U32: |
f941aa25 | 310 | bits = 32; |
2b9cce8c | 311 | mul = 4; |
85571bc7 | 312 | break; |
85bc5852 KZ |
313 | |
314 | default: | |
315 | abort(); | |
85571bc7 FB |
316 | } |
317 | ||
c0fe3827 | 318 | info->freq = as->freq; |
1d14ffa9 | 319 | info->bits = bits; |
ed2a4a79 KZ |
320 | info->is_signed = is_signed; |
321 | info->is_float = is_float; | |
c0fe3827 | 322 | info->nchannels = as->nchannels; |
2b9cce8c KZ |
323 | info->bytes_per_frame = as->nchannels * mul; |
324 | info->bytes_per_second = info->freq * info->bytes_per_frame; | |
d929eba5 | 325 | info->swap_endianness = (as->endianness != AUDIO_HOST_ENDIANNESS); |
85571bc7 FB |
326 | } |
327 | ||
1d14ffa9 | 328 | void audio_pcm_info_clear_buf (struct audio_pcm_info *info, void *buf, int len) |
85571bc7 | 329 | { |
1d14ffa9 FB |
330 | if (!len) { |
331 | return; | |
332 | } | |
333 | ||
ed2a4a79 | 334 | if (info->is_signed || info->is_float) { |
2b9cce8c | 335 | memset(buf, 0x00, len * info->bytes_per_frame); |
6c6886bd | 336 | } else { |
f941aa25 TS |
337 | switch (info->bits) { |
338 | case 8: | |
2b9cce8c | 339 | memset(buf, 0x80, len * info->bytes_per_frame); |
f941aa25 | 340 | break; |
1d14ffa9 | 341 | |
f941aa25 TS |
342 | case 16: |
343 | { | |
344 | int i; | |
345 | uint16_t *p = buf; | |
f941aa25 TS |
346 | short s = INT16_MAX; |
347 | ||
348 | if (info->swap_endianness) { | |
349 | s = bswap16 (s); | |
350 | } | |
351 | ||
2b9cce8c | 352 | for (i = 0; i < len * info->nchannels; i++) { |
f941aa25 TS |
353 | p[i] = s; |
354 | } | |
1d14ffa9 | 355 | } |
f941aa25 TS |
356 | break; |
357 | ||
358 | case 32: | |
359 | { | |
360 | int i; | |
361 | uint32_t *p = buf; | |
f941aa25 TS |
362 | int32_t s = INT32_MAX; |
363 | ||
364 | if (info->swap_endianness) { | |
365 | s = bswap32 (s); | |
366 | } | |
1d14ffa9 | 367 | |
2b9cce8c | 368 | for (i = 0; i < len * info->nchannels; i++) { |
f941aa25 TS |
369 | p[i] = s; |
370 | } | |
1d14ffa9 | 371 | } |
f941aa25 TS |
372 | break; |
373 | ||
374 | default: | |
375 | AUD_log (NULL, "audio_pcm_info_clear_buf: invalid bits %d\n", | |
376 | info->bits); | |
377 | break; | |
1d14ffa9 | 378 | } |
85571bc7 FB |
379 | } |
380 | } | |
381 | ||
8ead62cf FB |
382 | /* |
383 | * Capture | |
384 | */ | |
526fb058 KZ |
385 | static CaptureVoiceOut *audio_pcm_capture_find_specific(AudioState *s, |
386 | struct audsettings *as) | |
8ead62cf FB |
387 | { |
388 | CaptureVoiceOut *cap; | |
8ead62cf FB |
389 | |
390 | for (cap = s->cap_head.lh_first; cap; cap = cap->entries.le_next) { | |
d929eba5 | 391 | if (audio_pcm_info_eq (&cap->hw.info, as)) { |
8ead62cf FB |
392 | return cap; |
393 | } | |
394 | } | |
395 | return NULL; | |
396 | } | |
397 | ||
ec36b695 | 398 | static void audio_notify_capture (CaptureVoiceOut *cap, audcnotification_e cmd) |
8ead62cf | 399 | { |
ec36b695 FB |
400 | struct capture_callback *cb; |
401 | ||
402 | #ifdef DEBUG_CAPTURE | |
403 | dolog ("notification %d sent\n", cmd); | |
404 | #endif | |
405 | for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) { | |
406 | cb->ops.notify (cb->opaque, cmd); | |
407 | } | |
408 | } | |
8ead62cf | 409 | |
ec36b695 FB |
410 | static void audio_capture_maybe_changed (CaptureVoiceOut *cap, int enabled) |
411 | { | |
412 | if (cap->hw.enabled != enabled) { | |
413 | audcnotification_e cmd; | |
8ead62cf | 414 | cap->hw.enabled = enabled; |
ec36b695 FB |
415 | cmd = enabled ? AUD_CNOTIFY_ENABLE : AUD_CNOTIFY_DISABLE; |
416 | audio_notify_capture (cap, cmd); | |
8ead62cf FB |
417 | } |
418 | } | |
419 | ||
420 | static void audio_recalc_and_notify_capture (CaptureVoiceOut *cap) | |
421 | { | |
422 | HWVoiceOut *hw = &cap->hw; | |
423 | SWVoiceOut *sw; | |
424 | int enabled = 0; | |
425 | ||
ec36b695 | 426 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { |
8ead62cf FB |
427 | if (sw->active) { |
428 | enabled = 1; | |
429 | break; | |
430 | } | |
431 | } | |
ec36b695 | 432 | audio_capture_maybe_changed (cap, enabled); |
8ead62cf FB |
433 | } |
434 | ||
435 | static void audio_detach_capture (HWVoiceOut *hw) | |
436 | { | |
ec36b695 FB |
437 | SWVoiceCap *sc = hw->cap_head.lh_first; |
438 | ||
439 | while (sc) { | |
440 | SWVoiceCap *sc1 = sc->entries.le_next; | |
441 | SWVoiceOut *sw = &sc->sw; | |
442 | CaptureVoiceOut *cap = sc->cap; | |
443 | int was_active = sw->active; | |
8ead62cf | 444 | |
8ead62cf FB |
445 | if (sw->rate) { |
446 | st_rate_stop (sw->rate); | |
447 | sw->rate = NULL; | |
448 | } | |
449 | ||
72cf2d4f BS |
450 | QLIST_REMOVE (sw, entries); |
451 | QLIST_REMOVE (sc, entries); | |
7267c094 | 452 | g_free (sc); |
ec36b695 FB |
453 | if (was_active) { |
454 | /* We have removed soft voice from the capture: | |
455 | this might have changed the overall status of the capture | |
456 | since this might have been the only active voice */ | |
457 | audio_recalc_and_notify_capture (cap); | |
458 | } | |
459 | sc = sc1; | |
8ead62cf FB |
460 | } |
461 | } | |
462 | ||
1a7dafce | 463 | static int audio_attach_capture (HWVoiceOut *hw) |
8ead62cf | 464 | { |
526fb058 | 465 | AudioState *s = hw->s; |
8ead62cf FB |
466 | CaptureVoiceOut *cap; |
467 | ||
468 | audio_detach_capture (hw); | |
469 | for (cap = s->cap_head.lh_first; cap; cap = cap->entries.le_next) { | |
ec36b695 | 470 | SWVoiceCap *sc; |
8ead62cf | 471 | SWVoiceOut *sw; |
ec36b695 | 472 | HWVoiceOut *hw_cap = &cap->hw; |
8ead62cf | 473 | |
e8d85444 | 474 | sc = g_malloc0(sizeof(*sc)); |
8ead62cf | 475 | |
ec36b695 FB |
476 | sc->cap = cap; |
477 | sw = &sc->sw; | |
8ead62cf | 478 | sw->hw = hw_cap; |
ec36b695 | 479 | sw->info = hw->info; |
8ead62cf FB |
480 | sw->empty = 1; |
481 | sw->active = hw->enabled; | |
83617103 | 482 | sw->vol = nominal_volume; |
8ead62cf | 483 | sw->rate = st_rate_start (sw->info.freq, hw_cap->info.freq); |
72cf2d4f BS |
484 | QLIST_INSERT_HEAD (&hw_cap->sw_head, sw, entries); |
485 | QLIST_INSERT_HEAD (&hw->cap_head, sc, entries); | |
ec36b695 | 486 | #ifdef DEBUG_CAPTURE |
457b6543 SW |
487 | sw->name = g_strdup_printf ("for %p %d,%d,%d", |
488 | hw, sw->info.freq, sw->info.bits, | |
489 | sw->info.nchannels); | |
ec36b695 FB |
490 | dolog ("Added %s active = %d\n", sw->name, sw->active); |
491 | #endif | |
8ead62cf | 492 | if (sw->active) { |
ec36b695 | 493 | audio_capture_maybe_changed (cap, 1); |
8ead62cf FB |
494 | } |
495 | } | |
496 | return 0; | |
497 | } | |
498 | ||
1d14ffa9 FB |
499 | /* |
500 | * Hard voice (capture) | |
501 | */ | |
7520462b | 502 | static size_t audio_pcm_hw_find_min_in (HWVoiceIn *hw) |
85571bc7 | 503 | { |
1d14ffa9 | 504 | SWVoiceIn *sw; |
7520462b | 505 | size_t m = hw->total_samples_captured; |
1d14ffa9 FB |
506 | |
507 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { | |
508 | if (sw->active) { | |
58935915 | 509 | m = MIN (m, sw->total_hw_samples_acquired); |
1d14ffa9 | 510 | } |
85571bc7 | 511 | } |
1d14ffa9 | 512 | return m; |
85571bc7 FB |
513 | } |
514 | ||
3f5bbfc2 | 515 | static size_t audio_pcm_hw_get_live_in(HWVoiceIn *hw) |
85571bc7 | 516 | { |
7520462b | 517 | size_t live = hw->total_samples_captured - audio_pcm_hw_find_min_in (hw); |
8dbd3d17 VR |
518 | if (audio_bug(__func__, live > hw->conv_buf.size)) { |
519 | dolog("live=%zu hw->conv_buf.size=%zu\n", live, hw->conv_buf.size); | |
12f4abf6 | 520 | return 0; |
85571bc7 | 521 | } |
1d14ffa9 | 522 | return live; |
85571bc7 FB |
523 | } |
524 | ||
251f1549 VR |
525 | static size_t audio_pcm_hw_conv_in(HWVoiceIn *hw, void *pcm_buf, size_t samples) |
526 | { | |
527 | size_t conv = 0; | |
8dbd3d17 | 528 | STSampleBuffer *conv_buf = &hw->conv_buf; |
251f1549 VR |
529 | |
530 | while (samples) { | |
531 | uint8_t *src = advance(pcm_buf, conv * hw->info.bytes_per_frame); | |
532 | size_t proc = MIN(samples, conv_buf->size - conv_buf->pos); | |
533 | ||
8dbd3d17 | 534 | hw->conv(conv_buf->buffer + conv_buf->pos, src, proc); |
251f1549 VR |
535 | conv_buf->pos = (conv_buf->pos + proc) % conv_buf->size; |
536 | samples -= proc; | |
537 | conv += proc; | |
538 | } | |
539 | ||
540 | return conv; | |
541 | } | |
542 | ||
1d14ffa9 FB |
543 | /* |
544 | * Soft voice (capture) | |
545 | */ | |
1c49c5f1 VR |
546 | static void audio_pcm_sw_resample_in(SWVoiceIn *sw, |
547 | size_t frames_in_max, size_t frames_out_max, | |
548 | size_t *total_in, size_t *total_out) | |
549 | { | |
550 | HWVoiceIn *hw = sw->hw; | |
551 | struct st_sample *src, *dst; | |
552 | size_t live, rpos, frames_in, frames_out; | |
553 | ||
554 | live = hw->total_samples_captured - sw->total_hw_samples_acquired; | |
555 | rpos = audio_ring_posb(hw->conv_buf.pos, live, hw->conv_buf.size); | |
556 | ||
557 | /* resample conv_buf from rpos to end of buffer */ | |
558 | src = hw->conv_buf.buffer + rpos; | |
559 | frames_in = MIN(frames_in_max, hw->conv_buf.size - rpos); | |
560 | dst = sw->resample_buf.buffer; | |
561 | frames_out = frames_out_max; | |
562 | st_rate_flow(sw->rate, src, dst, &frames_in, &frames_out); | |
563 | rpos += frames_in; | |
564 | *total_in = frames_in; | |
565 | *total_out = frames_out; | |
566 | ||
567 | /* resample conv_buf from start of buffer if there are input frames left */ | |
568 | if (frames_in_max - frames_in && rpos == hw->conv_buf.size) { | |
569 | src = hw->conv_buf.buffer; | |
570 | frames_in = frames_in_max - frames_in; | |
571 | dst += frames_out; | |
572 | frames_out = frames_out_max - frames_out; | |
573 | st_rate_flow(sw->rate, src, dst, &frames_in, &frames_out); | |
574 | *total_in += frames_in; | |
575 | *total_out += frames_out; | |
576 | } | |
577 | } | |
578 | ||
fbde1edf | 579 | static size_t audio_pcm_sw_read(SWVoiceIn *sw, void *buf, size_t buf_len) |
85571bc7 | 580 | { |
1d14ffa9 | 581 | HWVoiceIn *hw = sw->hw; |
a9ea5678 | 582 | size_t live, frames_out_max, total_in, total_out; |
1d14ffa9 | 583 | |
1d14ffa9 | 584 | live = hw->total_samples_captured - sw->total_hw_samples_acquired; |
0ceb26af VR |
585 | if (!live) { |
586 | return 0; | |
587 | } | |
8dbd3d17 VR |
588 | if (audio_bug(__func__, live > hw->conv_buf.size)) { |
589 | dolog("live_in=%zu hw->conv_buf.size=%zu\n", live, hw->conv_buf.size); | |
12f4abf6 | 590 | return 0; |
1d14ffa9 FB |
591 | } |
592 | ||
a9ea5678 VR |
593 | frames_out_max = MIN(buf_len / sw->info.bytes_per_frame, |
594 | sw->resample_buf.size); | |
85571bc7 | 595 | |
a9ea5678 | 596 | audio_pcm_sw_resample_in(sw, live, frames_out_max, &total_in, &total_out); |
85571bc7 | 597 | |
669b9522 | 598 | if (!hw->pcm_ops->volume_in) { |
fbde1edf | 599 | mixeng_volume(sw->resample_buf.buffer, total_out, &sw->vol); |
c01b2456 | 600 | } |
fbde1edf | 601 | sw->clip(buf, sw->resample_buf.buffer, total_out); |
00e07679 | 602 | |
fbde1edf VR |
603 | sw->total_hw_samples_acquired += total_in; |
604 | return total_out * sw->info.bytes_per_frame; | |
85571bc7 FB |
605 | } |
606 | ||
1d14ffa9 FB |
607 | /* |
608 | * Hard voice (playback) | |
609 | */ | |
7520462b | 610 | static size_t audio_pcm_hw_find_min_out (HWVoiceOut *hw, int *nb_livep) |
1d14ffa9 | 611 | { |
c0fe3827 | 612 | SWVoiceOut *sw; |
7520462b | 613 | size_t m = SIZE_MAX; |
c0fe3827 | 614 | int nb_live = 0; |
85571bc7 | 615 | |
c0fe3827 FB |
616 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { |
617 | if (sw->active || !sw->empty) { | |
58935915 | 618 | m = MIN (m, sw->total_hw_samples_mixed); |
c0fe3827 FB |
619 | nb_live += 1; |
620 | } | |
85571bc7 | 621 | } |
c0fe3827 FB |
622 | |
623 | *nb_livep = nb_live; | |
624 | return m; | |
1d14ffa9 | 625 | } |
85571bc7 | 626 | |
7520462b | 627 | static size_t audio_pcm_hw_get_live_out (HWVoiceOut *hw, int *nb_live) |
1d14ffa9 | 628 | { |
7520462b | 629 | size_t smin; |
bdff253c | 630 | int nb_live1; |
85571bc7 | 631 | |
bdff253c | 632 | smin = audio_pcm_hw_find_min_out (hw, &nb_live1); |
633 | if (nb_live) { | |
634 | *nb_live = nb_live1; | |
85571bc7 | 635 | } |
bdff253c | 636 | |
637 | if (nb_live1) { | |
7520462b | 638 | size_t live = smin; |
1d14ffa9 | 639 | |
8dbd3d17 VR |
640 | if (audio_bug(__func__, live > hw->mix_buf.size)) { |
641 | dolog("live=%zu hw->mix_buf.size=%zu\n", live, hw->mix_buf.size); | |
12f4abf6 | 642 | return 0; |
85571bc7 | 643 | } |
1d14ffa9 | 644 | return live; |
85571bc7 | 645 | } |
bdff253c | 646 | return 0; |
85571bc7 FB |
647 | } |
648 | ||
9833438e VR |
649 | static size_t audio_pcm_hw_get_free(HWVoiceOut *hw) |
650 | { | |
651 | return (hw->pcm_ops->buffer_get_free ? hw->pcm_ops->buffer_get_free(hw) : | |
652 | INT_MAX) / hw->info.bytes_per_frame; | |
653 | } | |
654 | ||
8e56a172 VR |
655 | static void audio_pcm_hw_clip_out(HWVoiceOut *hw, void *pcm_buf, size_t len) |
656 | { | |
657 | size_t clipped = 0; | |
8dbd3d17 | 658 | size_t pos = hw->mix_buf.pos; |
8e56a172 VR |
659 | |
660 | while (len) { | |
8dbd3d17 | 661 | st_sample *src = hw->mix_buf.buffer + pos; |
8e56a172 | 662 | uint8_t *dst = advance(pcm_buf, clipped * hw->info.bytes_per_frame); |
8dbd3d17 | 663 | size_t samples_till_end_of_buf = hw->mix_buf.size - pos; |
8e56a172 VR |
664 | size_t samples_to_clip = MIN(len, samples_till_end_of_buf); |
665 | ||
666 | hw->clip(dst, src, samples_to_clip); | |
667 | ||
8dbd3d17 | 668 | pos = (pos + samples_to_clip) % hw->mix_buf.size; |
8e56a172 VR |
669 | len -= samples_to_clip; |
670 | clipped += samples_to_clip; | |
671 | } | |
672 | } | |
673 | ||
1d14ffa9 FB |
674 | /* |
675 | * Soft voice (playback) | |
676 | */ | |
8a81abee VR |
677 | static void audio_pcm_sw_resample_out(SWVoiceOut *sw, |
678 | size_t frames_in_max, size_t frames_out_max, | |
679 | size_t *total_in, size_t *total_out) | |
680 | { | |
681 | HWVoiceOut *hw = sw->hw; | |
682 | struct st_sample *src, *dst; | |
683 | size_t live, wpos, frames_in, frames_out; | |
684 | ||
685 | live = sw->total_hw_samples_mixed; | |
686 | wpos = (hw->mix_buf.pos + live) % hw->mix_buf.size; | |
687 | ||
688 | /* write to mix_buf from wpos to end of buffer */ | |
689 | src = sw->resample_buf.buffer; | |
690 | frames_in = frames_in_max; | |
691 | dst = hw->mix_buf.buffer + wpos; | |
692 | frames_out = MIN(frames_out_max, hw->mix_buf.size - wpos); | |
693 | st_rate_flow_mix(sw->rate, src, dst, &frames_in, &frames_out); | |
694 | wpos += frames_out; | |
695 | *total_in = frames_in; | |
696 | *total_out = frames_out; | |
697 | ||
698 | /* write to mix_buf from start of buffer if there are input frames left */ | |
699 | if (frames_in_max - frames_in > 0 && wpos == hw->mix_buf.size) { | |
700 | src += frames_in; | |
701 | frames_in = frames_in_max - frames_in; | |
702 | dst = hw->mix_buf.buffer; | |
703 | frames_out = frames_out_max - frames_out; | |
704 | st_rate_flow_mix(sw->rate, src, dst, &frames_in, &frames_out); | |
705 | *total_in += frames_in; | |
706 | *total_out += frames_out; | |
707 | } | |
708 | } | |
709 | ||
d5647bd9 | 710 | static size_t audio_pcm_sw_write(SWVoiceOut *sw, void *buf, size_t buf_len) |
85571bc7 | 711 | { |
d5647bd9 | 712 | HWVoiceOut *hw = sw->hw; |
1a01df3d VR |
713 | size_t live, dead, hw_free, sw_max, fe_max; |
714 | size_t frames_in_max, frames_out_max, total_in, total_out; | |
85571bc7 | 715 | |
1d14ffa9 | 716 | live = sw->total_hw_samples_mixed; |
d5647bd9 VR |
717 | if (audio_bug(__func__, live > hw->mix_buf.size)) { |
718 | dolog("live=%zu hw->mix_buf.size=%zu\n", live, hw->mix_buf.size); | |
12f4abf6 | 719 | return 0; |
1d14ffa9 | 720 | } |
85571bc7 | 721 | |
d5647bd9 | 722 | if (live == hw->mix_buf.size) { |
ec36b695 | 723 | #ifdef DEBUG_OUT |
0c29b786 | 724 | dolog ("%s is full %zu\n", sw->name, live); |
ec36b695 | 725 | #endif |
1d14ffa9 FB |
726 | return 0; |
727 | } | |
85571bc7 | 728 | |
d5647bd9 VR |
729 | dead = hw->mix_buf.size - live; |
730 | hw_free = audio_pcm_hw_get_free(hw); | |
9833438e | 731 | hw_free = hw_free > live ? hw_free - live : 0; |
1a01df3d VR |
732 | frames_out_max = MIN(dead, hw_free); |
733 | sw_max = st_rate_frames_in(sw->rate, frames_out_max); | |
e1e6a6fc VR |
734 | fe_max = MIN(buf_len / sw->info.bytes_per_frame + sw->resample_buf.pos, |
735 | sw->resample_buf.size); | |
1a01df3d | 736 | frames_in_max = MIN(sw_max, fe_max); |
c01b2456 | 737 | |
1a01df3d VR |
738 | if (!frames_in_max) { |
739 | return 0; | |
1d14ffa9 FB |
740 | } |
741 | ||
e1e6a6fc VR |
742 | if (frames_in_max > sw->resample_buf.pos) { |
743 | sw->conv(sw->resample_buf.buffer + sw->resample_buf.pos, | |
744 | buf, frames_in_max - sw->resample_buf.pos); | |
745 | if (!sw->hw->pcm_ops->volume_out) { | |
746 | mixeng_volume(sw->resample_buf.buffer + sw->resample_buf.pos, | |
747 | frames_in_max - sw->resample_buf.pos, &sw->vol); | |
748 | } | |
1a01df3d VR |
749 | } |
750 | ||
751 | audio_pcm_sw_resample_out(sw, frames_in_max, frames_out_max, | |
d5647bd9 | 752 | &total_in, &total_out); |
1d14ffa9 | 753 | |
d5647bd9 | 754 | sw->total_hw_samples_mixed += total_out; |
1d14ffa9 FB |
755 | sw->empty = sw->total_hw_samples_mixed == 0; |
756 | ||
e1e6a6fc VR |
757 | /* |
758 | * Upsampling may leave one audio frame in the resample buffer. Decrement | |
759 | * total_in by one if there was a leftover frame from the previous resample | |
760 | * pass in the resample buffer. Increment total_in by one if the current | |
761 | * resample pass left one frame in the resample buffer. | |
762 | */ | |
763 | if (frames_in_max - total_in == 1) { | |
764 | /* copy one leftover audio frame to the beginning of the buffer */ | |
765 | *sw->resample_buf.buffer = *(sw->resample_buf.buffer + total_in); | |
766 | total_in += 1 - sw->resample_buf.pos; | |
767 | sw->resample_buf.pos = 1; | |
768 | } else if (total_in >= sw->resample_buf.pos) { | |
769 | total_in -= sw->resample_buf.pos; | |
770 | sw->resample_buf.pos = 0; | |
771 | } | |
772 | ||
1d14ffa9 FB |
773 | #ifdef DEBUG_OUT |
774 | dolog ( | |
d5647bd9 VR |
775 | "%s: write size %zu written %zu total mixed %zu\n", |
776 | SW_NAME(sw), | |
777 | buf_len / sw->info.bytes_per_frame, | |
778 | total_in, | |
c0fe3827 | 779 | sw->total_hw_samples_mixed |
1d14ffa9 FB |
780 | ); |
781 | #endif | |
782 | ||
d5647bd9 | 783 | return total_in * sw->info.bytes_per_frame; |
85571bc7 FB |
784 | } |
785 | ||
1d14ffa9 FB |
786 | #ifdef DEBUG_AUDIO |
787 | static void audio_pcm_print_info (const char *cap, struct audio_pcm_info *info) | |
85571bc7 | 788 | { |
ed2a4a79 KZ |
789 | dolog("%s: bits %d, sign %d, float %d, freq %d, nchan %d\n", |
790 | cap, info->bits, info->is_signed, info->is_float, info->freq, | |
791 | info->nchannels); | |
85571bc7 | 792 | } |
1d14ffa9 | 793 | #endif |
85571bc7 | 794 | |
1d14ffa9 FB |
795 | #define DAC |
796 | #include "audio_template.h" | |
797 | #undef DAC | |
798 | #include "audio_template.h" | |
799 | ||
713a98f8 | 800 | /* |
801 | * Timer | |
802 | */ | |
526fb058 | 803 | static int audio_is_timer_needed(AudioState *s) |
713a98f8 | 804 | { |
805 | HWVoiceIn *hwi = NULL; | |
806 | HWVoiceOut *hwo = NULL; | |
807 | ||
526fb058 | 808 | while ((hwo = audio_pcm_hw_find_any_enabled_out(s, hwo))) { |
6c6886bd ZH |
809 | if (!hwo->poll_mode) { |
810 | return 1; | |
811 | } | |
713a98f8 | 812 | } |
526fb058 | 813 | while ((hwi = audio_pcm_hw_find_any_enabled_in(s, hwi))) { |
6c6886bd ZH |
814 | if (!hwi->poll_mode) { |
815 | return 1; | |
816 | } | |
713a98f8 | 817 | } |
818 | return 0; | |
819 | } | |
820 | ||
39deb1e4 | 821 | static void audio_reset_timer (AudioState *s) |
713a98f8 | 822 | { |
526fb058 | 823 | if (audio_is_timer_needed(s)) { |
1ffc2665 | 824 | timer_mod_anticipate_ns(s->ts, |
71830221 | 825 | qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + s->period_ticks); |
526fb058 KZ |
826 | if (!s->timer_running) { |
827 | s->timer_running = true; | |
828 | s->timer_last = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); | |
71830221 | 829 | trace_audio_timer_start(s->period_ticks / SCALE_MS); |
1a961e78 GH |
830 | } |
831 | } else { | |
832 | timer_del(s->ts); | |
526fb058 KZ |
833 | if (s->timer_running) { |
834 | s->timer_running = false; | |
1a961e78 GH |
835 | trace_audio_timer_stop(); |
836 | } | |
713a98f8 | 837 | } |
838 | } | |
839 | ||
39deb1e4 | 840 | static void audio_timer (void *opaque) |
841 | { | |
1a961e78 | 842 | int64_t now, diff; |
71830221 | 843 | AudioState *s = opaque; |
1a961e78 GH |
844 | |
845 | now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); | |
526fb058 | 846 | diff = now - s->timer_last; |
71830221 | 847 | if (diff > s->period_ticks * 3 / 2) { |
1a961e78 GH |
848 | trace_audio_timer_delayed(diff / SCALE_MS); |
849 | } | |
526fb058 | 850 | s->timer_last = now; |
1a961e78 | 851 | |
18e2c177 | 852 | audio_run(s, "timer"); |
71830221 | 853 | audio_reset_timer(s); |
39deb1e4 | 854 | } |
855 | ||
713a98f8 | 856 | /* |
857 | * Public API | |
858 | */ | |
7520462b | 859 | size_t AUD_write(SWVoiceOut *sw, void *buf, size_t size) |
85571bc7 | 860 | { |
1930616b KZ |
861 | HWVoiceOut *hw; |
862 | ||
1d14ffa9 FB |
863 | if (!sw) { |
864 | /* XXX: Consider options */ | |
865 | return size; | |
866 | } | |
1930616b | 867 | hw = sw->hw; |
85571bc7 | 868 | |
1930616b | 869 | if (!hw->enabled) { |
c0fe3827 | 870 | dolog ("Writing to disabled voice %s\n", SW_NAME (sw)); |
85571bc7 FB |
871 | return 0; |
872 | } | |
873 | ||
1930616b KZ |
874 | if (audio_get_pdo_out(hw->s->dev)->mixing_engine) { |
875 | return audio_pcm_sw_write(sw, buf, size); | |
876 | } else { | |
877 | return hw->pcm_ops->write(hw, buf, size); | |
878 | } | |
1d14ffa9 FB |
879 | } |
880 | ||
7520462b | 881 | size_t AUD_read(SWVoiceIn *sw, void *buf, size_t size) |
1d14ffa9 | 882 | { |
1930616b KZ |
883 | HWVoiceIn *hw; |
884 | ||
1d14ffa9 FB |
885 | if (!sw) { |
886 | /* XXX: Consider options */ | |
887 | return size; | |
85571bc7 | 888 | } |
1930616b | 889 | hw = sw->hw; |
1d14ffa9 | 890 | |
1930616b | 891 | if (!hw->enabled) { |
c0fe3827 | 892 | dolog ("Reading from disabled voice %s\n", SW_NAME (sw)); |
1d14ffa9 | 893 | return 0; |
85571bc7 | 894 | } |
1d14ffa9 | 895 | |
1930616b KZ |
896 | if (audio_get_pdo_in(hw->s->dev)->mixing_engine) { |
897 | return audio_pcm_sw_read(sw, buf, size); | |
898 | } else { | |
899 | return hw->pcm_ops->read(hw, buf, size); | |
900 | } | |
85571bc7 FB |
901 | } |
902 | ||
69ac0786 | 903 | int AUD_get_buffer_size_out(SWVoiceOut *sw) |
85571bc7 | 904 | { |
69ac0786 | 905 | return sw->hw->samples * sw->hw->info.bytes_per_frame; |
1d14ffa9 FB |
906 | } |
907 | ||
908 | void AUD_set_active_out (SWVoiceOut *sw, int on) | |
909 | { | |
910 | HWVoiceOut *hw; | |
85571bc7 | 911 | |
1d14ffa9 | 912 | if (!sw) { |
85571bc7 | 913 | return; |
1d14ffa9 | 914 | } |
85571bc7 FB |
915 | |
916 | hw = sw->hw; | |
1d14ffa9 | 917 | if (sw->active != on) { |
526fb058 | 918 | AudioState *s = sw->s; |
1d14ffa9 | 919 | SWVoiceOut *temp_sw; |
ec36b695 | 920 | SWVoiceCap *sc; |
1d14ffa9 FB |
921 | |
922 | if (on) { | |
1d14ffa9 FB |
923 | hw->pending_disable = 0; |
924 | if (!hw->enabled) { | |
925 | hw->enabled = 1; | |
978dd635 | 926 | if (s->vm_running) { |
571a8c52 KZ |
927 | if (hw->pcm_ops->enable_out) { |
928 | hw->pcm_ops->enable_out(hw, true); | |
929 | } | |
39deb1e4 | 930 | audio_reset_timer (s); |
978dd635 | 931 | } |
1d14ffa9 | 932 | } |
6c6886bd | 933 | } else { |
1d14ffa9 FB |
934 | if (hw->enabled) { |
935 | int nb_active = 0; | |
936 | ||
937 | for (temp_sw = hw->sw_head.lh_first; temp_sw; | |
938 | temp_sw = temp_sw->entries.le_next) { | |
939 | nb_active += temp_sw->active != 0; | |
940 | } | |
941 | ||
942 | hw->pending_disable = nb_active == 1; | |
943 | } | |
85571bc7 | 944 | } |
ec36b695 FB |
945 | |
946 | for (sc = hw->cap_head.lh_first; sc; sc = sc->entries.le_next) { | |
947 | sc->sw.active = hw->enabled; | |
8ead62cf | 948 | if (hw->enabled) { |
ec36b695 | 949 | audio_capture_maybe_changed (sc->cap, 1); |
8ead62cf FB |
950 | } |
951 | } | |
1d14ffa9 FB |
952 | sw->active = on; |
953 | } | |
954 | } | |
955 | ||
956 | void AUD_set_active_in (SWVoiceIn *sw, int on) | |
957 | { | |
958 | HWVoiceIn *hw; | |
959 | ||
960 | if (!sw) { | |
961 | return; | |
85571bc7 FB |
962 | } |
963 | ||
1d14ffa9 | 964 | hw = sw->hw; |
85571bc7 | 965 | if (sw->active != on) { |
526fb058 | 966 | AudioState *s = sw->s; |
1d14ffa9 FB |
967 | SWVoiceIn *temp_sw; |
968 | ||
85571bc7 | 969 | if (on) { |
85571bc7 FB |
970 | if (!hw->enabled) { |
971 | hw->enabled = 1; | |
978dd635 | 972 | if (s->vm_running) { |
571a8c52 KZ |
973 | if (hw->pcm_ops->enable_in) { |
974 | hw->pcm_ops->enable_in(hw, true); | |
975 | } | |
39deb1e4 | 976 | audio_reset_timer (s); |
978dd635 | 977 | } |
85571bc7 | 978 | } |
1d14ffa9 | 979 | sw->total_hw_samples_acquired = hw->total_samples_captured; |
6c6886bd | 980 | } else { |
1d14ffa9 | 981 | if (hw->enabled) { |
85571bc7 | 982 | int nb_active = 0; |
1d14ffa9 FB |
983 | |
984 | for (temp_sw = hw->sw_head.lh_first; temp_sw; | |
985 | temp_sw = temp_sw->entries.le_next) { | |
986 | nb_active += temp_sw->active != 0; | |
85571bc7 FB |
987 | } |
988 | ||
989 | if (nb_active == 1) { | |
1d14ffa9 | 990 | hw->enabled = 0; |
571a8c52 KZ |
991 | if (hw->pcm_ops->enable_in) { |
992 | hw->pcm_ops->enable_in(hw, false); | |
993 | } | |
85571bc7 FB |
994 | } |
995 | } | |
996 | } | |
997 | sw->active = on; | |
998 | } | |
999 | } | |
1000 | ||
7520462b | 1001 | static size_t audio_get_avail (SWVoiceIn *sw) |
1d14ffa9 | 1002 | { |
7520462b | 1003 | size_t live; |
1d14ffa9 FB |
1004 | |
1005 | if (!sw) { | |
1006 | return 0; | |
1007 | } | |
1008 | ||
1009 | live = sw->hw->total_samples_captured - sw->total_hw_samples_acquired; | |
8dbd3d17 VR |
1010 | if (audio_bug(__func__, live > sw->hw->conv_buf.size)) { |
1011 | dolog("live=%zu sw->hw->conv_buf.size=%zu\n", live, | |
1012 | sw->hw->conv_buf.size); | |
12f4abf6 | 1013 | return 0; |
1d14ffa9 FB |
1014 | } |
1015 | ||
1016 | ldebug ( | |
a9ea5678 | 1017 | "%s: get_avail live %zu frontend frames %u\n", |
c0fe3827 | 1018 | SW_NAME (sw), |
a9ea5678 | 1019 | live, st_rate_frames_out(sw->rate, live) |
1d14ffa9 FB |
1020 | ); |
1021 | ||
0724c579 | 1022 | return live; |
1d14ffa9 FB |
1023 | } |
1024 | ||
7520462b | 1025 | static size_t audio_get_free(SWVoiceOut *sw) |
1d14ffa9 | 1026 | { |
7520462b | 1027 | size_t live, dead; |
1d14ffa9 FB |
1028 | |
1029 | if (!sw) { | |
1030 | return 0; | |
1031 | } | |
1032 | ||
1033 | live = sw->total_hw_samples_mixed; | |
1034 | ||
8dbd3d17 VR |
1035 | if (audio_bug(__func__, live > sw->hw->mix_buf.size)) { |
1036 | dolog("live=%zu sw->hw->mix_buf.size=%zu\n", live, | |
1037 | sw->hw->mix_buf.size); | |
12f4abf6 | 1038 | return 0; |
1d14ffa9 FB |
1039 | } |
1040 | ||
8dbd3d17 | 1041 | dead = sw->hw->mix_buf.size - live; |
1d14ffa9 FB |
1042 | |
1043 | #ifdef DEBUG_OUT | |
1a01df3d VR |
1044 | dolog("%s: get_free live %zu dead %zu frontend frames %u\n", |
1045 | SW_NAME(sw), live, dead, st_rate_frames_in(sw->rate, dead)); | |
85571bc7 | 1046 | #endif |
1d14ffa9 | 1047 | |
9833438e | 1048 | return dead; |
1d14ffa9 FB |
1049 | } |
1050 | ||
7520462b KZ |
1051 | static void audio_capture_mix_and_clear(HWVoiceOut *hw, size_t rpos, |
1052 | size_t samples) | |
8ead62cf | 1053 | { |
7520462b | 1054 | size_t n; |
8ead62cf FB |
1055 | |
1056 | if (hw->enabled) { | |
ec36b695 | 1057 | SWVoiceCap *sc; |
8ead62cf | 1058 | |
ec36b695 FB |
1059 | for (sc = hw->cap_head.lh_first; sc; sc = sc->entries.le_next) { |
1060 | SWVoiceOut *sw = &sc->sw; | |
671cca35 | 1061 | size_t rpos2 = rpos; |
8ead62cf FB |
1062 | |
1063 | n = samples; | |
1064 | while (n) { | |
8dbd3d17 | 1065 | size_t till_end_of_hw = hw->mix_buf.size - rpos2; |
671cca35 VR |
1066 | size_t to_read = MIN(till_end_of_hw, n); |
1067 | size_t live, frames_in, frames_out; | |
8ead62cf | 1068 | |
2c3f9a0a | 1069 | sw->resample_buf.buffer = hw->mix_buf.buffer + rpos2; |
671cca35 VR |
1070 | sw->resample_buf.size = to_read; |
1071 | live = sw->total_hw_samples_mixed; | |
1072 | ||
1073 | audio_pcm_sw_resample_out(sw, | |
1074 | to_read, sw->hw->mix_buf.size - live, | |
1075 | &frames_in, &frames_out); | |
1076 | ||
1077 | sw->total_hw_samples_mixed += frames_out; | |
1078 | sw->empty = sw->total_hw_samples_mixed == 0; | |
1079 | ||
1080 | if (to_read - frames_in) { | |
1081 | dolog("Could not mix %zu frames into a capture " | |
7520462b | 1082 | "buffer, mixed %zu\n", |
671cca35 | 1083 | to_read, frames_in); |
8ead62cf FB |
1084 | break; |
1085 | } | |
671cca35 VR |
1086 | n -= to_read; |
1087 | rpos2 = (rpos2 + to_read) % hw->mix_buf.size; | |
8ead62cf FB |
1088 | } |
1089 | } | |
1090 | } | |
1091 | ||
8dbd3d17 VR |
1092 | n = MIN(samples, hw->mix_buf.size - rpos); |
1093 | mixeng_clear(hw->mix_buf.buffer + rpos, n); | |
1094 | mixeng_clear(hw->mix_buf.buffer, samples - n); | |
8ead62cf FB |
1095 | } |
1096 | ||
ff095e52 KZ |
1097 | static size_t audio_pcm_hw_run_out(HWVoiceOut *hw, size_t live) |
1098 | { | |
1099 | size_t clipped = 0; | |
1100 | ||
1101 | while (live) { | |
aec6d0dc VR |
1102 | size_t size = live * hw->info.bytes_per_frame; |
1103 | size_t decr, proc; | |
ff095e52 | 1104 | void *buf = hw->pcm_ops->get_buffer_out(hw, &size); |
4c3356f9 VR |
1105 | |
1106 | if (size == 0) { | |
fb35c2ce | 1107 | break; |
ff095e52 KZ |
1108 | } |
1109 | ||
2b9cce8c | 1110 | decr = MIN(size / hw->info.bytes_per_frame, live); |
4c3356f9 VR |
1111 | if (buf) { |
1112 | audio_pcm_hw_clip_out(hw, buf, decr); | |
1113 | } | |
2b9cce8c KZ |
1114 | proc = hw->pcm_ops->put_buffer_out(hw, buf, |
1115 | decr * hw->info.bytes_per_frame) / | |
1116 | hw->info.bytes_per_frame; | |
ff095e52 KZ |
1117 | |
1118 | live -= proc; | |
1119 | clipped += proc; | |
8dbd3d17 | 1120 | hw->mix_buf.pos = (hw->mix_buf.pos + proc) % hw->mix_buf.size; |
ff095e52 KZ |
1121 | |
1122 | if (proc == 0 || proc < decr) { | |
1123 | break; | |
1124 | } | |
1125 | } | |
1126 | ||
fdc8c5f4 VR |
1127 | if (hw->pcm_ops->run_buffer_out) { |
1128 | hw->pcm_ops->run_buffer_out(hw); | |
1129 | } | |
1130 | ||
ff095e52 KZ |
1131 | return clipped; |
1132 | } | |
1133 | ||
c0fe3827 | 1134 | static void audio_run_out (AudioState *s) |
1d14ffa9 FB |
1135 | { |
1136 | HWVoiceOut *hw = NULL; | |
1137 | SWVoiceOut *sw; | |
1138 | ||
4d31ff32 VR |
1139 | while ((hw = audio_pcm_hw_find_any_enabled_out(s, hw))) { |
1140 | size_t played, live, prev_rpos; | |
1141 | size_t hw_free = audio_pcm_hw_get_free(hw); | |
1142 | int nb_live; | |
1143 | ||
1144 | if (!audio_get_pdo_out(s->dev)->mixing_engine) { | |
1930616b KZ |
1145 | /* there is exactly 1 sw for each hw with no mixeng */ |
1146 | sw = hw->sw_head.lh_first; | |
1147 | ||
1148 | if (hw->pending_disable) { | |
1149 | hw->enabled = 0; | |
1150 | hw->pending_disable = 0; | |
1151 | if (hw->pcm_ops->enable_out) { | |
1152 | hw->pcm_ops->enable_out(hw, false); | |
1153 | } | |
1154 | } | |
1155 | ||
1156 | if (sw->active) { | |
7099a6a2 VR |
1157 | sw->callback.fn(sw->callback.opaque, |
1158 | hw_free * sw->info.bytes_per_frame); | |
1930616b | 1159 | } |
1930616b | 1160 | |
dd052dbf VR |
1161 | if (hw->pcm_ops->run_buffer_out) { |
1162 | hw->pcm_ops->run_buffer_out(hw); | |
1163 | } | |
1164 | ||
4d31ff32 VR |
1165 | continue; |
1166 | } | |
1d14ffa9 | 1167 | |
a806f959 VR |
1168 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { |
1169 | if (sw->active) { | |
9833438e VR |
1170 | size_t sw_free = audio_get_free(sw); |
1171 | size_t free; | |
1172 | ||
1173 | if (hw_free > sw->total_hw_samples_mixed) { | |
1a01df3d | 1174 | free = st_rate_frames_in(sw->rate, |
9833438e VR |
1175 | MIN(sw_free, hw_free - sw->total_hw_samples_mixed)); |
1176 | } else { | |
1177 | free = 0; | |
1178 | } | |
e1e6a6fc VR |
1179 | if (free > sw->resample_buf.pos) { |
1180 | free = MIN(free, sw->resample_buf.size) | |
1181 | - sw->resample_buf.pos; | |
c4e59264 VR |
1182 | sw->callback.fn(sw->callback.opaque, |
1183 | free * sw->info.bytes_per_frame); | |
a806f959 VR |
1184 | } |
1185 | } | |
1186 | } | |
1187 | ||
bdff253c | 1188 | live = audio_pcm_hw_get_live_out (hw, &nb_live); |
1d14ffa9 FB |
1189 | if (!nb_live) { |
1190 | live = 0; | |
1191 | } | |
c0fe3827 | 1192 | |
8dbd3d17 VR |
1193 | if (audio_bug(__func__, live > hw->mix_buf.size)) { |
1194 | dolog("live=%zu hw->mix_buf.size=%zu\n", live, hw->mix_buf.size); | |
12f4abf6 | 1195 | continue; |
1d14ffa9 FB |
1196 | } |
1197 | ||
1198 | if (hw->pending_disable && !nb_live) { | |
ec36b695 | 1199 | SWVoiceCap *sc; |
1d14ffa9 FB |
1200 | #ifdef DEBUG_OUT |
1201 | dolog ("Disabling voice\n"); | |
85571bc7 | 1202 | #endif |
1d14ffa9 FB |
1203 | hw->enabled = 0; |
1204 | hw->pending_disable = 0; | |
571a8c52 KZ |
1205 | if (hw->pcm_ops->enable_out) { |
1206 | hw->pcm_ops->enable_out(hw, false); | |
1207 | } | |
ec36b695 FB |
1208 | for (sc = hw->cap_head.lh_first; sc; sc = sc->entries.le_next) { |
1209 | sc->sw.active = 0; | |
1210 | audio_recalc_and_notify_capture (sc->cap); | |
8ead62cf | 1211 | } |
1d14ffa9 FB |
1212 | continue; |
1213 | } | |
1214 | ||
1215 | if (!live) { | |
a8a98cfd VR |
1216 | if (hw->pcm_ops->run_buffer_out) { |
1217 | hw->pcm_ops->run_buffer_out(hw); | |
1218 | } | |
1d14ffa9 FB |
1219 | continue; |
1220 | } | |
1221 | ||
8dbd3d17 | 1222 | prev_rpos = hw->mix_buf.pos; |
3f5bbfc2 | 1223 | played = audio_pcm_hw_run_out(hw, live); |
3d4d16f4 | 1224 | replay_audio_out(&played); |
8dbd3d17 VR |
1225 | if (audio_bug(__func__, hw->mix_buf.pos >= hw->mix_buf.size)) { |
1226 | dolog("hw->mix_buf.pos=%zu hw->mix_buf.size=%zu played=%zu\n", | |
1227 | hw->mix_buf.pos, hw->mix_buf.size, played); | |
1228 | hw->mix_buf.pos = 0; | |
1d14ffa9 FB |
1229 | } |
1230 | ||
1231 | #ifdef DEBUG_OUT | |
7520462b | 1232 | dolog("played=%zu\n", played); |
85571bc7 | 1233 | #endif |
1d14ffa9 FB |
1234 | |
1235 | if (played) { | |
1236 | hw->ts_helper += played; | |
8ead62cf | 1237 | audio_capture_mix_and_clear (hw, prev_rpos, played); |
1d14ffa9 FB |
1238 | } |
1239 | ||
1240 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { | |
1d14ffa9 FB |
1241 | if (!sw->active && sw->empty) { |
1242 | continue; | |
1243 | } | |
1244 | ||
470bcabd | 1245 | if (audio_bug(__func__, played > sw->total_hw_samples_mixed)) { |
7520462b KZ |
1246 | dolog("played=%zu sw->total_hw_samples_mixed=%zu\n", |
1247 | played, sw->total_hw_samples_mixed); | |
12f4abf6 | 1248 | played = sw->total_hw_samples_mixed; |
1d14ffa9 FB |
1249 | } |
1250 | ||
1251 | sw->total_hw_samples_mixed -= played; | |
1252 | ||
1253 | if (!sw->total_hw_samples_mixed) { | |
1254 | sw->empty = 1; | |
1d14ffa9 | 1255 | } |
1d14ffa9 FB |
1256 | } |
1257 | } | |
1258 | } | |
1259 | ||
ff095e52 KZ |
1260 | static size_t audio_pcm_hw_run_in(HWVoiceIn *hw, size_t samples) |
1261 | { | |
1262 | size_t conv = 0; | |
1263 | ||
a2893c83 VR |
1264 | if (hw->pcm_ops->run_buffer_in) { |
1265 | hw->pcm_ops->run_buffer_in(hw); | |
1266 | } | |
1267 | ||
ff095e52 KZ |
1268 | while (samples) { |
1269 | size_t proc; | |
2b9cce8c | 1270 | size_t size = samples * hw->info.bytes_per_frame; |
ff095e52 KZ |
1271 | void *buf = hw->pcm_ops->get_buffer_in(hw, &size); |
1272 | ||
2b9cce8c | 1273 | assert(size % hw->info.bytes_per_frame == 0); |
ff095e52 | 1274 | if (size == 0) { |
ff095e52 KZ |
1275 | break; |
1276 | } | |
1277 | ||
251f1549 | 1278 | proc = audio_pcm_hw_conv_in(hw, buf, size / hw->info.bytes_per_frame); |
ff095e52 KZ |
1279 | |
1280 | samples -= proc; | |
1281 | conv += proc; | |
2b9cce8c | 1282 | hw->pcm_ops->put_buffer_in(hw, buf, proc * hw->info.bytes_per_frame); |
ff095e52 KZ |
1283 | } |
1284 | ||
1285 | return conv; | |
1286 | } | |
1287 | ||
c0fe3827 | 1288 | static void audio_run_in (AudioState *s) |
1d14ffa9 FB |
1289 | { |
1290 | HWVoiceIn *hw = NULL; | |
1291 | ||
1930616b KZ |
1292 | if (!audio_get_pdo_in(s->dev)->mixing_engine) { |
1293 | while ((hw = audio_pcm_hw_find_any_enabled_in(s, hw))) { | |
1294 | /* there is exactly 1 sw for each hw with no mixeng */ | |
1295 | SWVoiceIn *sw = hw->sw_head.lh_first; | |
1296 | if (sw->active) { | |
1297 | sw->callback.fn(sw->callback.opaque, INT_MAX); | |
1298 | } | |
1299 | } | |
1300 | return; | |
1301 | } | |
1302 | ||
526fb058 | 1303 | while ((hw = audio_pcm_hw_find_any_enabled_in(s, hw))) { |
1d14ffa9 | 1304 | SWVoiceIn *sw; |
7520462b | 1305 | size_t captured = 0, min; |
1d14ffa9 | 1306 | |
3d4d16f4 | 1307 | if (replay_mode != REPLAY_MODE_PLAY) { |
3f5bbfc2 | 1308 | captured = audio_pcm_hw_run_in( |
8dbd3d17 | 1309 | hw, hw->conv_buf.size - audio_pcm_hw_get_live_in(hw)); |
3d4d16f4 | 1310 | } |
8dbd3d17 VR |
1311 | replay_audio_in(&captured, hw->conv_buf.buffer, &hw->conv_buf.pos, |
1312 | hw->conv_buf.size); | |
1d14ffa9 FB |
1313 | |
1314 | min = audio_pcm_hw_find_min_in (hw); | |
1315 | hw->total_samples_captured += captured - min; | |
1316 | hw->ts_helper += captured; | |
1317 | ||
1318 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { | |
1319 | sw->total_hw_samples_acquired -= min; | |
1320 | ||
1321 | if (sw->active) { | |
0724c579 | 1322 | size_t sw_avail = audio_get_avail(sw); |
7520462b | 1323 | size_t avail; |
1d14ffa9 | 1324 | |
a9ea5678 | 1325 | avail = st_rate_frames_out(sw->rate, sw_avail); |
1d14ffa9 | 1326 | if (avail > 0) { |
a9ea5678 | 1327 | avail = MIN(avail, sw->resample_buf.size); |
0724c579 VR |
1328 | sw->callback.fn(sw->callback.opaque, |
1329 | avail * sw->info.bytes_per_frame); | |
1d14ffa9 FB |
1330 | } |
1331 | } | |
1332 | } | |
1333 | } | |
1334 | } | |
1335 | ||
8ead62cf FB |
1336 | static void audio_run_capture (AudioState *s) |
1337 | { | |
1338 | CaptureVoiceOut *cap; | |
1339 | ||
1340 | for (cap = s->cap_head.lh_first; cap; cap = cap->entries.le_next) { | |
7520462b | 1341 | size_t live, rpos, captured; |
8ead62cf FB |
1342 | HWVoiceOut *hw = &cap->hw; |
1343 | SWVoiceOut *sw; | |
1344 | ||
bdff253c | 1345 | captured = live = audio_pcm_hw_get_live_out (hw, NULL); |
8dbd3d17 | 1346 | rpos = hw->mix_buf.pos; |
8ead62cf | 1347 | while (live) { |
8dbd3d17 | 1348 | size_t left = hw->mix_buf.size - rpos; |
7520462b | 1349 | size_t to_capture = MIN(live, left); |
1ea879e5 | 1350 | struct st_sample *src; |
8ead62cf FB |
1351 | struct capture_callback *cb; |
1352 | ||
8dbd3d17 | 1353 | src = hw->mix_buf.buffer + rpos; |
8ead62cf FB |
1354 | hw->clip (cap->buf, src, to_capture); |
1355 | mixeng_clear (src, to_capture); | |
1356 | ||
1357 | for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) { | |
1358 | cb->ops.capture (cb->opaque, cap->buf, | |
2b9cce8c | 1359 | to_capture * hw->info.bytes_per_frame); |
8ead62cf | 1360 | } |
8dbd3d17 | 1361 | rpos = (rpos + to_capture) % hw->mix_buf.size; |
8ead62cf FB |
1362 | live -= to_capture; |
1363 | } | |
8dbd3d17 | 1364 | hw->mix_buf.pos = rpos; |
8ead62cf FB |
1365 | |
1366 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { | |
1367 | if (!sw->active && sw->empty) { | |
1368 | continue; | |
1369 | } | |
1370 | ||
470bcabd | 1371 | if (audio_bug(__func__, captured > sw->total_hw_samples_mixed)) { |
7520462b KZ |
1372 | dolog("captured=%zu sw->total_hw_samples_mixed=%zu\n", |
1373 | captured, sw->total_hw_samples_mixed); | |
12f4abf6 | 1374 | captured = sw->total_hw_samples_mixed; |
8ead62cf FB |
1375 | } |
1376 | ||
1377 | sw->total_hw_samples_mixed -= captured; | |
1378 | sw->empty = sw->total_hw_samples_mixed == 0; | |
1379 | } | |
1380 | } | |
1381 | } | |
1382 | ||
18e2c177 | 1383 | void audio_run(AudioState *s, const char *msg) |
571ec3d6 | 1384 | { |
18e2c177 KZ |
1385 | audio_run_out(s); |
1386 | audio_run_in(s); | |
1387 | audio_run_capture(s); | |
571ec3d6 | 1388 | |
713a98f8 | 1389 | #ifdef DEBUG_POLL |
1390 | { | |
1391 | static double prevtime; | |
1392 | double currtime; | |
1393 | struct timeval tv; | |
571ec3d6 | 1394 | |
713a98f8 | 1395 | if (gettimeofday (&tv, NULL)) { |
1396 | perror ("audio_run: gettimeofday"); | |
1397 | return; | |
1398 | } | |
1399 | ||
1400 | currtime = tv.tv_sec + tv.tv_usec * 1e-6; | |
1401 | dolog ("Elapsed since last %s: %f\n", msg, currtime - prevtime); | |
1402 | prevtime = currtime; | |
1403 | } | |
1404 | #endif | |
571ec3d6 FB |
1405 | } |
1406 | ||
a2893c83 | 1407 | void audio_generic_run_buffer_in(HWVoiceIn *hw) |
ff095e52 | 1408 | { |
ff095e52 | 1409 | if (unlikely(!hw->buf_emul)) { |
1d8549ad VR |
1410 | hw->size_emul = hw->samples * hw->info.bytes_per_frame; |
1411 | hw->buf_emul = g_malloc(hw->size_emul); | |
ff095e52 KZ |
1412 | hw->pos_emul = hw->pending_emul = 0; |
1413 | } | |
1414 | ||
1415 | while (hw->pending_emul < hw->size_emul) { | |
1416 | size_t read_len = MIN(hw->size_emul - hw->pos_emul, | |
1417 | hw->size_emul - hw->pending_emul); | |
1418 | size_t read = hw->pcm_ops->read(hw, hw->buf_emul + hw->pos_emul, | |
1419 | read_len); | |
1420 | hw->pending_emul += read; | |
7ffc90f3 | 1421 | hw->pos_emul = (hw->pos_emul + read) % hw->size_emul; |
ff095e52 KZ |
1422 | if (read < read_len) { |
1423 | break; | |
1424 | } | |
1425 | } | |
a2893c83 VR |
1426 | } |
1427 | ||
1428 | void *audio_generic_get_buffer_in(HWVoiceIn *hw, size_t *size) | |
1429 | { | |
18404ff1 | 1430 | size_t start; |
ff095e52 | 1431 | |
18404ff1 VR |
1432 | start = audio_ring_posb(hw->pos_emul, hw->pending_emul, hw->size_emul); |
1433 | assert(start < hw->size_emul); | |
ff095e52 | 1434 | |
599eac4e VR |
1435 | *size = MIN(*size, hw->pending_emul); |
1436 | *size = MIN(*size, hw->size_emul - start); | |
ff095e52 KZ |
1437 | return hw->buf_emul + start; |
1438 | } | |
1439 | ||
1440 | void audio_generic_put_buffer_in(HWVoiceIn *hw, void *buf, size_t size) | |
1441 | { | |
1442 | assert(size <= hw->pending_emul); | |
1443 | hw->pending_emul -= size; | |
1444 | } | |
1445 | ||
9833438e VR |
1446 | size_t audio_generic_buffer_get_free(HWVoiceOut *hw) |
1447 | { | |
1448 | if (hw->buf_emul) { | |
1449 | return hw->size_emul - hw->pending_emul; | |
1450 | } else { | |
1451 | return hw->samples * hw->info.bytes_per_frame; | |
1452 | } | |
1453 | } | |
1454 | ||
fdc8c5f4 VR |
1455 | void audio_generic_run_buffer_out(HWVoiceOut *hw) |
1456 | { | |
1457 | while (hw->pending_emul) { | |
18404ff1 | 1458 | size_t write_len, written, start; |
fdc8c5f4 | 1459 | |
18404ff1 VR |
1460 | start = audio_ring_posb(hw->pos_emul, hw->pending_emul, hw->size_emul); |
1461 | assert(start < hw->size_emul); | |
fdc8c5f4 VR |
1462 | |
1463 | write_len = MIN(hw->pending_emul, hw->size_emul - start); | |
1464 | ||
1465 | written = hw->pcm_ops->write(hw, hw->buf_emul + start, write_len); | |
1466 | hw->pending_emul -= written; | |
1467 | ||
1468 | if (written < write_len) { | |
1469 | break; | |
1470 | } | |
1471 | } | |
1472 | } | |
1473 | ||
ff095e52 KZ |
1474 | void *audio_generic_get_buffer_out(HWVoiceOut *hw, size_t *size) |
1475 | { | |
1476 | if (unlikely(!hw->buf_emul)) { | |
1d8549ad VR |
1477 | hw->size_emul = hw->samples * hw->info.bytes_per_frame; |
1478 | hw->buf_emul = g_malloc(hw->size_emul); | |
ff095e52 KZ |
1479 | hw->pos_emul = hw->pending_emul = 0; |
1480 | } | |
1481 | ||
1482 | *size = MIN(hw->size_emul - hw->pending_emul, | |
1483 | hw->size_emul - hw->pos_emul); | |
1484 | return hw->buf_emul + hw->pos_emul; | |
1485 | } | |
1486 | ||
fdc8c5f4 | 1487 | size_t audio_generic_put_buffer_out(HWVoiceOut *hw, void *buf, size_t size) |
ff095e52 KZ |
1488 | { |
1489 | assert(buf == hw->buf_emul + hw->pos_emul && | |
1490 | size + hw->pending_emul <= hw->size_emul); | |
1491 | ||
1492 | hw->pending_emul += size; | |
1493 | hw->pos_emul = (hw->pos_emul + size) % hw->size_emul; | |
1494 | ||
1495 | return size; | |
1496 | } | |
1497 | ||
ff095e52 KZ |
1498 | size_t audio_generic_write(HWVoiceOut *hw, void *buf, size_t size) |
1499 | { | |
2d882307 VR |
1500 | size_t total = 0; |
1501 | ||
9833438e VR |
1502 | if (hw->pcm_ops->buffer_get_free) { |
1503 | size_t free = hw->pcm_ops->buffer_get_free(hw); | |
1504 | ||
1505 | size = MIN(size, free); | |
1506 | } | |
1507 | ||
2d882307 VR |
1508 | while (total < size) { |
1509 | size_t dst_size = size - total; | |
1510 | size_t copy_size, proc; | |
1511 | void *dst = hw->pcm_ops->get_buffer_out(hw, &dst_size); | |
ff095e52 | 1512 | |
2d882307 VR |
1513 | if (dst_size == 0) { |
1514 | break; | |
1515 | } | |
1516 | ||
1517 | copy_size = MIN(size - total, dst_size); | |
1518 | if (dst) { | |
1519 | memcpy(dst, (char *)buf + total, copy_size); | |
1520 | } | |
1521 | proc = hw->pcm_ops->put_buffer_out(hw, dst, copy_size); | |
1522 | total += proc; | |
1523 | ||
1524 | if (proc == 0 || proc < copy_size) { | |
1525 | break; | |
1526 | } | |
1527 | } | |
1528 | ||
2d882307 | 1529 | return total; |
ff095e52 KZ |
1530 | } |
1531 | ||
1532 | size_t audio_generic_read(HWVoiceIn *hw, void *buf, size_t size) | |
1533 | { | |
b9896dc5 | 1534 | size_t total = 0; |
ff095e52 | 1535 | |
a2893c83 VR |
1536 | if (hw->pcm_ops->run_buffer_in) { |
1537 | hw->pcm_ops->run_buffer_in(hw); | |
1538 | } | |
1539 | ||
b9896dc5 VR |
1540 | while (total < size) { |
1541 | size_t src_size = size - total; | |
1542 | void *src = hw->pcm_ops->get_buffer_in(hw, &src_size); | |
ff095e52 | 1543 | |
b9896dc5 | 1544 | if (src_size == 0) { |
b9896dc5 VR |
1545 | break; |
1546 | } | |
1547 | ||
1548 | memcpy((char *)buf + total, src, src_size); | |
1549 | hw->pcm_ops->put_buffer_in(hw, src, src_size); | |
1550 | total += src_size; | |
1551 | } | |
1552 | ||
1553 | return total; | |
8d1439b6 | 1554 | } |
ff095e52 | 1555 | |
71830221 KZ |
1556 | static int audio_driver_init(AudioState *s, struct audio_driver *drv, |
1557 | bool msg, Audiodev *dev) | |
85571bc7 | 1558 | { |
f6061733 PB |
1559 | Error *local_err = NULL; |
1560 | ||
1561 | s->drv_opaque = drv->init(dev, &local_err); | |
1d14ffa9 | 1562 | |
c0fe3827 | 1563 | if (s->drv_opaque) { |
ff095e52 KZ |
1564 | if (!drv->pcm_ops->get_buffer_in) { |
1565 | drv->pcm_ops->get_buffer_in = audio_generic_get_buffer_in; | |
1566 | drv->pcm_ops->put_buffer_in = audio_generic_put_buffer_in; | |
1567 | } | |
1568 | if (!drv->pcm_ops->get_buffer_out) { | |
1569 | drv->pcm_ops->get_buffer_out = audio_generic_get_buffer_out; | |
1570 | drv->pcm_ops->put_buffer_out = audio_generic_put_buffer_out; | |
1571 | } | |
1572 | ||
5c63d141 PB |
1573 | audio_init_nb_voices_out(s, drv, 1); |
1574 | audio_init_nb_voices_in(s, drv, 0); | |
c0fe3827 | 1575 | s->drv = drv; |
1d14ffa9 | 1576 | return 0; |
6c6886bd | 1577 | } else { |
f6061733 PB |
1578 | if (!msg) { |
1579 | error_free(local_err); | |
1580 | } else if (local_err) { | |
1581 | error_report_err(local_err); | |
1582 | } else { | |
1583 | error_report("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 | ||
1691 | static AudiodevListEntry *audiodev_find( | |
1692 | AudiodevListHead *head, const char *drvname) | |
1693 | { | |
1694 | AudiodevListEntry *e; | |
1695 | QSIMPLEQ_FOREACH(e, head, next) { | |
1696 | if (strcmp(AudiodevDriver_str(e->dev->driver), drvname) == 0) { | |
1697 | return e; | |
1698 | } | |
1699 | } | |
1700 | ||
1701 | return NULL; | |
1702 | } | |
1703 | ||
ecd97e95 KZ |
1704 | /* |
1705 | * if we have dev, this function was called because of an -audiodev argument => | |
1706 | * initialize a new state with it | |
1707 | * if dev == NULL => legacy implicit initialization, return the already created | |
1708 | * state or create a new one | |
1709 | */ | |
e3299631 | 1710 | static AudioState *audio_init(Audiodev *dev) |
85571bc7 | 1711 | { |
ecd97e95 | 1712 | static bool atexit_registered; |
1d14ffa9 | 1713 | size_t i; |
85571bc7 | 1714 | int done = 0; |
e3299631 | 1715 | const char *drvname; |
417f8c8e | 1716 | VMChangeStateEntry *vmse; |
ecd97e95 | 1717 | AudioState *s; |
d3893a39 | 1718 | struct audio_driver *driver; |
71830221 KZ |
1719 | /* silence gcc warning about uninitialized variable */ |
1720 | AudiodevListHead head = QSIMPLEQ_HEAD_INITIALIZER(head); | |
1d14ffa9 | 1721 | |
f0c4555e GH |
1722 | if (using_spice) { |
1723 | /* | |
1724 | * When using spice allow the spice audio driver being picked | |
1725 | * as default. | |
1726 | * | |
1727 | * Temporary hack. Using audio devices without explicit | |
1728 | * audiodev= property is already deprecated. Same goes for | |
1729 | * the -soundhw switch. Once this support gets finally | |
1730 | * removed we can also drop the concept of a default audio | |
1731 | * backend and this can go away. | |
1732 | */ | |
1733 | driver = audio_driver_lookup("spice"); | |
06c8c375 GH |
1734 | if (driver) { |
1735 | driver->can_be_default = 1; | |
1736 | } | |
f0c4555e GH |
1737 | } |
1738 | ||
b21e2380 | 1739 | s = g_new0(AudioState, 1); |
71830221 | 1740 | |
72cf2d4f BS |
1741 | QLIST_INIT (&s->hw_head_out); |
1742 | QLIST_INIT (&s->hw_head_in); | |
1743 | QLIST_INIT (&s->cap_head); | |
ecd97e95 KZ |
1744 | if (!atexit_registered) { |
1745 | atexit(audio_cleanup); | |
1746 | atexit_registered = true; | |
1747 | } | |
571ec3d6 | 1748 | |
bc72ad67 | 1749 | s->ts = timer_new_ns(QEMU_CLOCK_VIRTUAL, audio_timer, s); |
571ec3d6 | 1750 | |
e3299631 PB |
1751 | if (dev) { |
1752 | /* -audiodev option */ | |
1753 | s->dev = dev; | |
1754 | drvname = AudiodevDriver_str(dev->driver); | |
d3893a39 GH |
1755 | driver = audio_driver_lookup(drvname); |
1756 | if (driver) { | |
71830221 | 1757 | done = !audio_driver_init(s, driver, true, dev); |
d3893a39 | 1758 | } else { |
85571bc7 FB |
1759 | dolog ("Unknown audio driver `%s'\n", drvname); |
1760 | } | |
0f957c53 MAL |
1761 | if (!done) { |
1762 | free_audio_state(s); | |
1763 | return NULL; | |
1764 | } | |
71830221 | 1765 | } else { |
e3299631 PB |
1766 | /* legacy implicit initialization */ |
1767 | head = audio_handle_legacy_opts(); | |
1768 | /* | |
1769 | * In case of legacy initialization, all Audiodevs in the list will have | |
1770 | * the same configuration (except the driver), so it doesn't matter which | |
1771 | * one we chose. We need an Audiodev to set up AudioState before we can | |
1772 | * init a driver. Also note that dev at this point is still in the | |
1773 | * list. | |
1774 | */ | |
1775 | dev = QSIMPLEQ_FIRST(&head)->dev; | |
1776 | audio_validate_opts(dev, &error_abort); | |
1777 | ||
71830221 KZ |
1778 | for (i = 0; audio_prio_list[i]; i++) { |
1779 | AudiodevListEntry *e = audiodev_find(&head, audio_prio_list[i]); | |
d3893a39 | 1780 | driver = audio_driver_lookup(audio_prio_list[i]); |
71830221 KZ |
1781 | |
1782 | if (e && driver) { | |
1783 | s->dev = dev = e->dev; | |
1784 | audio_validate_opts(dev, &error_abort); | |
1785 | done = !audio_driver_init(s, driver, false, dev); | |
1786 | if (done) { | |
1787 | e->dev = NULL; | |
1788 | break; | |
1789 | } | |
1d14ffa9 | 1790 | } |
85571bc7 | 1791 | } |
e3299631 PB |
1792 | |
1793 | audio_free_audiodev_list(&head); | |
85571bc7 FB |
1794 | } |
1795 | ||
85571bc7 | 1796 | if (!done) { |
d3893a39 | 1797 | driver = audio_driver_lookup("none"); |
71830221 | 1798 | done = !audio_driver_init(s, driver, false, dev); |
7e274652 MA |
1799 | assert(done); |
1800 | dolog("warning: Using timer based audio emulation\n"); | |
85571bc7 | 1801 | } |
1d14ffa9 | 1802 | |
71830221 KZ |
1803 | if (dev->timer_period <= 0) { |
1804 | s->period_ticks = 1; | |
0d9acba8 | 1805 | } else { |
40ad46d3 | 1806 | s->period_ticks = dev->timer_period * (int64_t)SCALE_US; |
1d14ffa9 | 1807 | } |
0d9acba8 | 1808 | |
417f8c8e PB |
1809 | vmse = qemu_add_vm_change_state_handler (audio_vm_change_state_handler, s); |
1810 | if (!vmse) { | |
0d9acba8 PB |
1811 | dolog ("warning: Could not register change state handler\n" |
1812 | "(Audio can continue looping even after stopping the VM)\n"); | |
1d14ffa9 FB |
1813 | } |
1814 | ||
0f957c53 | 1815 | QTAILQ_INSERT_TAIL(&audio_states, s, list); |
72cf2d4f | 1816 | QLIST_INIT (&s->card_head); |
0be71e32 | 1817 | vmstate_register (NULL, 0, &vmstate_audio, s); |
ecd97e95 | 1818 | return s; |
71830221 KZ |
1819 | } |
1820 | ||
1821 | void audio_free_audiodev_list(AudiodevListHead *head) | |
1822 | { | |
1823 | AudiodevListEntry *e; | |
1824 | while ((e = QSIMPLEQ_FIRST(head))) { | |
1825 | QSIMPLEQ_REMOVE_HEAD(head, next); | |
1826 | qapi_free_Audiodev(e->dev); | |
1827 | g_free(e); | |
1828 | } | |
85571bc7 | 1829 | } |
8ead62cf | 1830 | |
1a7dafce | 1831 | void AUD_register_card (const char *name, QEMUSoundCard *card) |
1832 | { | |
ecd97e95 | 1833 | if (!card->state) { |
e3299631 PB |
1834 | if (!QTAILQ_EMPTY(&audio_states)) { |
1835 | if (!legacy_config) { | |
1836 | dolog("Device %s: audiodev default parameter is deprecated, please " | |
1837 | "specify audiodev=%s\n", name, | |
1838 | QTAILQ_FIRST(&audio_states)->dev->id); | |
1839 | } | |
1840 | card->state = QTAILQ_FIRST(&audio_states); | |
1841 | } else { | |
1842 | card->state = audio_init(NULL); | |
1843 | } | |
ecd97e95 KZ |
1844 | } |
1845 | ||
7267c094 | 1846 | card->name = g_strdup (name); |
1a7dafce | 1847 | memset (&card->entries, 0, sizeof (card->entries)); |
ecd97e95 | 1848 | QLIST_INSERT_HEAD(&card->state->card_head, card, entries); |
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); | |
e3299631 | 2173 | legacy_config = false; |
71830221 KZ |
2174 | } |
2175 | ||
0f957c53 | 2176 | bool audio_init_audiodevs(void) |
71830221 KZ |
2177 | { |
2178 | AudiodevListEntry *e; | |
2179 | ||
2180 | QSIMPLEQ_FOREACH(e, &audiodevs, next) { | |
e3299631 | 2181 | if (!audio_init(e->dev)) { |
0f957c53 MAL |
2182 | return false; |
2183 | } | |
71830221 | 2184 | } |
0f957c53 MAL |
2185 | |
2186 | return true; | |
71830221 KZ |
2187 | } |
2188 | ||
2189 | audsettings audiodev_to_audsettings(AudiodevPerDirectionOptions *pdo) | |
2190 | { | |
2191 | return (audsettings) { | |
2192 | .freq = pdo->frequency, | |
2193 | .nchannels = pdo->channels, | |
2194 | .fmt = pdo->format, | |
2195 | .endianness = AUDIO_HOST_ENDIANNESS, | |
2196 | }; | |
2197 | } | |
2198 | ||
2199 | int audioformat_bytes_per_sample(AudioFormat fmt) | |
2200 | { | |
2201 | switch (fmt) { | |
2202 | case AUDIO_FORMAT_U8: | |
2203 | case AUDIO_FORMAT_S8: | |
2204 | return 1; | |
2205 | ||
2206 | case AUDIO_FORMAT_U16: | |
2207 | case AUDIO_FORMAT_S16: | |
2208 | return 2; | |
2209 | ||
2210 | case AUDIO_FORMAT_U32: | |
2211 | case AUDIO_FORMAT_S32: | |
ed2a4a79 | 2212 | case AUDIO_FORMAT_F32: |
71830221 KZ |
2213 | return 4; |
2214 | ||
2215 | case AUDIO_FORMAT__MAX: | |
2216 | ; | |
2217 | } | |
2218 | abort(); | |
2219 | } | |
2220 | ||
2221 | ||
2222 | /* frames = freq * usec / 1e6 */ | |
2223 | int audio_buffer_frames(AudiodevPerDirectionOptions *pdo, | |
2224 | audsettings *as, int def_usecs) | |
2225 | { | |
2226 | uint64_t usecs = pdo->has_buffer_length ? pdo->buffer_length : def_usecs; | |
2227 | return (as->freq * usecs + 500000) / 1000000; | |
2228 | } | |
2229 | ||
2230 | /* samples = channels * frames = channels * freq * usec / 1e6 */ | |
2231 | int audio_buffer_samples(AudiodevPerDirectionOptions *pdo, | |
2232 | audsettings *as, int def_usecs) | |
2233 | { | |
2234 | return as->nchannels * audio_buffer_frames(pdo, as, def_usecs); | |
2235 | } | |
2236 | ||
2237 | /* | |
2238 | * bytes = bytes_per_sample * samples = | |
2239 | * bytes_per_sample * channels * freq * usec / 1e6 | |
2240 | */ | |
2241 | int audio_buffer_bytes(AudiodevPerDirectionOptions *pdo, | |
2242 | audsettings *as, int def_usecs) | |
2243 | { | |
2244 | return audio_buffer_samples(pdo, as, def_usecs) * | |
2245 | audioformat_bytes_per_sample(as->fmt); | |
2246 | } | |
ecd97e95 | 2247 | |
176adafc | 2248 | AudioState *audio_state_by_name(const char *name, Error **errp) |
ecd97e95 KZ |
2249 | { |
2250 | AudioState *s; | |
2251 | QTAILQ_FOREACH(s, &audio_states, list) { | |
2252 | assert(s->dev); | |
2253 | if (strcmp(name, s->dev->id) == 0) { | |
2254 | return s; | |
2255 | } | |
2256 | } | |
176adafc | 2257 | error_setg(errp, "audiodev '%s' not found", name); |
ecd97e95 KZ |
2258 | return NULL; |
2259 | } | |
2260 | ||
2261 | const char *audio_get_id(QEMUSoundCard *card) | |
2262 | { | |
2263 | if (card->state) { | |
2264 | assert(card->state->dev); | |
2265 | return card->state->dev->id; | |
2266 | } else { | |
2267 | return ""; | |
2268 | } | |
2269 | } | |
857271a2 | 2270 | |
37a54d05 VR |
2271 | const char *audio_application_name(void) |
2272 | { | |
2273 | const char *vm_name; | |
2274 | ||
2275 | vm_name = qemu_get_vm_name(); | |
2276 | return vm_name ? vm_name : "qemu"; | |
2277 | } | |
2278 | ||
857271a2 KZ |
2279 | void audio_rate_start(RateCtl *rate) |
2280 | { | |
2281 | memset(rate, 0, sizeof(RateCtl)); | |
2282 | rate->start_ticks = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); | |
2283 | } | |
2284 | ||
02732641 | 2285 | size_t audio_rate_peek_bytes(RateCtl *rate, struct audio_pcm_info *info) |
857271a2 KZ |
2286 | { |
2287 | int64_t now; | |
2288 | int64_t ticks; | |
2289 | int64_t bytes; | |
02732641 | 2290 | int64_t frames; |
857271a2 KZ |
2291 | |
2292 | now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); | |
2293 | ticks = now - rate->start_ticks; | |
2294 | bytes = muldiv64(ticks, info->bytes_per_second, NANOSECONDS_PER_SECOND); | |
02732641 VR |
2295 | frames = (bytes - rate->bytes_sent) / info->bytes_per_frame; |
2296 | if (frames < 0 || frames > 65536) { | |
2297 | AUD_log(NULL, "Resetting rate control (%" PRId64 " frames)\n", frames); | |
857271a2 | 2298 | audio_rate_start(rate); |
02732641 | 2299 | frames = 0; |
857271a2 KZ |
2300 | } |
2301 | ||
02732641 VR |
2302 | return frames * info->bytes_per_frame; |
2303 | } | |
2304 | ||
2305 | void audio_rate_add_bytes(RateCtl *rate, size_t bytes_used) | |
2306 | { | |
2307 | rate->bytes_sent += bytes_used; | |
2308 | } | |
2309 | ||
613fe02b | 2310 | size_t audio_rate_get_bytes(RateCtl *rate, struct audio_pcm_info *info, |
02732641 VR |
2311 | size_t bytes_avail) |
2312 | { | |
2313 | size_t bytes; | |
2314 | ||
2315 | bytes = audio_rate_peek_bytes(rate, info); | |
2316 | bytes = MIN(bytes, bytes_avail); | |
2317 | audio_rate_add_bytes(rate, bytes); | |
2318 | ||
2319 | return bytes; | |
857271a2 | 2320 | } |
637d1809 DB |
2321 | |
2322 | AudiodevList *qmp_query_audiodevs(Error **errp) | |
2323 | { | |
2324 | AudiodevList *ret = NULL; | |
2325 | AudiodevListEntry *e; | |
2326 | QSIMPLEQ_FOREACH(e, &audiodevs, next) { | |
2327 | QAPI_LIST_PREPEND(ret, QAPI_CLONE(Audiodev, e->dev)); | |
2328 | } | |
2329 | return ret; | |
2330 | } |