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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" |
0b8fa32f | 36 | #include "qemu/module.h" |
5e03b6da | 37 | #include "qemu/help_option.h" |
89fc45d5 | 38 | #include "sysemu/sysemu.h" |
3d4d16f4 | 39 | #include "sysemu/replay.h" |
54d31236 | 40 | #include "sysemu/runstate.h" |
f0c4555e | 41 | #include "ui/qemu-spice.h" |
1a961e78 | 42 | #include "trace.h" |
85571bc7 | 43 | |
1d14ffa9 FB |
44 | #define AUDIO_CAP "audio" |
45 | #include "audio_int.h" | |
85571bc7 | 46 | |
1d14ffa9 FB |
47 | /* #define DEBUG_LIVE */ |
48 | /* #define DEBUG_OUT */ | |
8ead62cf | 49 | /* #define DEBUG_CAPTURE */ |
713a98f8 | 50 | /* #define DEBUG_POLL */ |
85571bc7 | 51 | |
c0fe3827 FB |
52 | #define SW_NAME(sw) (sw)->name ? (sw)->name : "unknown" |
53 | ||
2358a494 JQ |
54 | |
55 | /* Order of CONFIG_AUDIO_DRIVERS is import. | |
56 | The 1st one is the one used by default, that is the reason | |
57 | that we generate the list. | |
58 | */ | |
71830221 | 59 | const char *audio_prio_list[] = { |
d3893a39 | 60 | "spice", |
2358a494 | 61 | CONFIG_AUDIO_DRIVERS |
d3893a39 GH |
62 | "none", |
63 | "wav", | |
71830221 | 64 | NULL |
1d14ffa9 | 65 | }; |
85571bc7 | 66 | |
d3893a39 | 67 | static QLIST_HEAD(, audio_driver) audio_drivers; |
71830221 | 68 | static AudiodevListHead audiodevs = QSIMPLEQ_HEAD_INITIALIZER(audiodevs); |
d3893a39 GH |
69 | |
70 | void audio_driver_register(audio_driver *drv) | |
71 | { | |
72 | QLIST_INSERT_HEAD(&audio_drivers, drv, next); | |
73 | } | |
74 | ||
75 | audio_driver *audio_driver_lookup(const char *name) | |
76 | { | |
77 | struct audio_driver *d; | |
c551fb0b CF |
78 | Error *local_err = NULL; |
79 | int rv; | |
d3893a39 GH |
80 | |
81 | QLIST_FOREACH(d, &audio_drivers, next) { | |
82 | if (strcmp(name, d->name) == 0) { | |
83 | return d; | |
84 | } | |
85 | } | |
c551fb0b CF |
86 | rv = audio_module_load(name, &local_err); |
87 | if (rv > 0) { | |
88 | QLIST_FOREACH(d, &audio_drivers, next) { | |
89 | if (strcmp(name, d->name) == 0) { | |
90 | return d; | |
91 | } | |
65ba8696 | 92 | } |
c551fb0b CF |
93 | } else if (rv < 0) { |
94 | error_report_err(local_err); | |
65ba8696 | 95 | } |
d3893a39 GH |
96 | return NULL; |
97 | } | |
98 | ||
ecd97e95 KZ |
99 | static QTAILQ_HEAD(AudioStateHead, AudioState) audio_states = |
100 | QTAILQ_HEAD_INITIALIZER(audio_states); | |
c0fe3827 | 101 | |
00e07679 | 102 | const struct mixeng_volume nominal_volume = { |
14658cd1 | 103 | .mute = 0, |
1d14ffa9 | 104 | #ifdef FLOAT_MIXENG |
14658cd1 JQ |
105 | .r = 1.0, |
106 | .l = 1.0, | |
1d14ffa9 | 107 | #else |
14658cd1 JQ |
108 | .r = 1ULL << 32, |
109 | .l = 1ULL << 32, | |
1d14ffa9 | 110 | #endif |
85571bc7 FB |
111 | }; |
112 | ||
af2041ed KZ |
113 | static bool legacy_config = true; |
114 | ||
1d14ffa9 | 115 | int audio_bug (const char *funcname, int cond) |
85571bc7 | 116 | { |
1d14ffa9 FB |
117 | if (cond) { |
118 | static int shown; | |
119 | ||
8ead62cf | 120 | AUD_log (NULL, "A bug was just triggered in %s\n", funcname); |
1d14ffa9 FB |
121 | if (!shown) { |
122 | shown = 1; | |
123 | AUD_log (NULL, "Save all your work and restart without audio\n"); | |
1d14ffa9 FB |
124 | AUD_log (NULL, "I am sorry\n"); |
125 | } | |
126 | AUD_log (NULL, "Context:\n"); | |
85571bc7 FB |
127 | } |
128 | ||
1d14ffa9 | 129 | return cond; |
85571bc7 FB |
130 | } |
131 | ||
f941aa25 TS |
132 | static inline int audio_bits_to_index (int bits) |
133 | { | |
134 | switch (bits) { | |
135 | case 8: | |
136 | return 0; | |
137 | ||
138 | case 16: | |
139 | return 1; | |
140 | ||
141 | case 32: | |
142 | return 2; | |
143 | ||
144 | default: | |
145 | audio_bug ("bits_to_index", 1); | |
146 | AUD_log (NULL, "invalid bits %d\n", bits); | |
12f4abf6 | 147 | return 0; |
f941aa25 TS |
148 | } |
149 | } | |
150 | ||
c0fe3827 FB |
151 | void *audio_calloc (const char *funcname, int nmemb, size_t size) |
152 | { | |
153 | int cond; | |
154 | size_t len; | |
155 | ||
156 | len = nmemb * size; | |
157 | cond = !nmemb || !size; | |
158 | cond |= nmemb < 0; | |
159 | cond |= len < size; | |
160 | ||
161 | if (audio_bug ("audio_calloc", cond)) { | |
162 | AUD_log (NULL, "%s passed invalid arguments to audio_calloc\n", | |
163 | funcname); | |
541e0844 | 164 | AUD_log (NULL, "nmemb=%d size=%zu (len=%zu)\n", nmemb, size, len); |
12f4abf6 | 165 | return NULL; |
c0fe3827 FB |
166 | } |
167 | ||
7267c094 | 168 | return g_malloc0 (len); |
c0fe3827 FB |
169 | } |
170 | ||
541e0844 | 171 | void AUD_vlog (const char *cap, const char *fmt, va_list ap) |
85571bc7 | 172 | { |
06ac27f6 KZ |
173 | if (cap) { |
174 | fprintf(stderr, "%s: ", cap); | |
541e0844 | 175 | } |
541e0844 | 176 | |
06ac27f6 | 177 | vfprintf(stderr, fmt, ap); |
85571bc7 FB |
178 | } |
179 | ||
541e0844 | 180 | void AUD_log (const char *cap, const char *fmt, ...) |
85571bc7 | 181 | { |
541e0844 FB |
182 | va_list ap; |
183 | ||
184 | va_start (ap, fmt); | |
185 | AUD_vlog (cap, fmt, ap); | |
186 | va_end (ap); | |
85571bc7 FB |
187 | } |
188 | ||
1ea879e5 | 189 | static void audio_print_settings (struct audsettings *as) |
c0fe3827 FB |
190 | { |
191 | dolog ("frequency=%d nchannels=%d fmt=", as->freq, as->nchannels); | |
192 | ||
193 | switch (as->fmt) { | |
85bc5852 | 194 | case AUDIO_FORMAT_S8: |
c0fe3827 FB |
195 | AUD_log (NULL, "S8"); |
196 | break; | |
85bc5852 | 197 | case AUDIO_FORMAT_U8: |
c0fe3827 FB |
198 | AUD_log (NULL, "U8"); |
199 | break; | |
85bc5852 | 200 | case AUDIO_FORMAT_S16: |
c0fe3827 FB |
201 | AUD_log (NULL, "S16"); |
202 | break; | |
85bc5852 | 203 | case AUDIO_FORMAT_U16: |
c0fe3827 FB |
204 | AUD_log (NULL, "U16"); |
205 | break; | |
85bc5852 | 206 | case AUDIO_FORMAT_S32: |
d50997f9 | 207 | AUD_log (NULL, "S32"); |
208 | break; | |
85bc5852 | 209 | case AUDIO_FORMAT_U32: |
d50997f9 | 210 | AUD_log (NULL, "U32"); |
211 | break; | |
ed2a4a79 KZ |
212 | case AUDIO_FORMAT_F32: |
213 | AUD_log (NULL, "F32"); | |
214 | break; | |
c0fe3827 FB |
215 | default: |
216 | AUD_log (NULL, "invalid(%d)", as->fmt); | |
217 | break; | |
218 | } | |
ec36b695 FB |
219 | |
220 | AUD_log (NULL, " endianness="); | |
d929eba5 FB |
221 | switch (as->endianness) { |
222 | case 0: | |
223 | AUD_log (NULL, "little"); | |
224 | break; | |
225 | case 1: | |
226 | AUD_log (NULL, "big"); | |
227 | break; | |
228 | default: | |
229 | AUD_log (NULL, "invalid"); | |
230 | break; | |
231 | } | |
c0fe3827 FB |
232 | AUD_log (NULL, "\n"); |
233 | } | |
234 | ||
1ea879e5 | 235 | static int audio_validate_settings (struct audsettings *as) |
c0fe3827 FB |
236 | { |
237 | int invalid; | |
238 | ||
b5c7db3e | 239 | invalid = as->nchannels < 1; |
d929eba5 | 240 | invalid |= as->endianness != 0 && as->endianness != 1; |
c0fe3827 FB |
241 | |
242 | switch (as->fmt) { | |
85bc5852 KZ |
243 | case AUDIO_FORMAT_S8: |
244 | case AUDIO_FORMAT_U8: | |
245 | case AUDIO_FORMAT_S16: | |
246 | case AUDIO_FORMAT_U16: | |
247 | case AUDIO_FORMAT_S32: | |
248 | case AUDIO_FORMAT_U32: | |
ed2a4a79 | 249 | case AUDIO_FORMAT_F32: |
c0fe3827 FB |
250 | break; |
251 | default: | |
252 | invalid = 1; | |
253 | break; | |
254 | } | |
255 | ||
256 | invalid |= as->freq <= 0; | |
d929eba5 | 257 | return invalid ? -1 : 0; |
c0fe3827 FB |
258 | } |
259 | ||
1ea879e5 | 260 | static int audio_pcm_info_eq (struct audio_pcm_info *info, struct audsettings *as) |
85571bc7 | 261 | { |
ed2a4a79 KZ |
262 | int bits = 8; |
263 | bool is_signed = false, is_float = false; | |
85571bc7 | 264 | |
c0fe3827 | 265 | switch (as->fmt) { |
85bc5852 | 266 | case AUDIO_FORMAT_S8: |
ed2a4a79 | 267 | is_signed = true; |
b4bd0b16 | 268 | /* fall through */ |
85bc5852 | 269 | case AUDIO_FORMAT_U8: |
1d14ffa9 FB |
270 | break; |
271 | ||
85bc5852 | 272 | case AUDIO_FORMAT_S16: |
ed2a4a79 | 273 | is_signed = true; |
b4bd0b16 | 274 | /* fall through */ |
85bc5852 | 275 | case AUDIO_FORMAT_U16: |
1d14ffa9 FB |
276 | bits = 16; |
277 | break; | |
f941aa25 | 278 | |
ed2a4a79 KZ |
279 | case AUDIO_FORMAT_F32: |
280 | is_float = true; | |
281 | /* fall through */ | |
85bc5852 | 282 | case AUDIO_FORMAT_S32: |
ed2a4a79 | 283 | is_signed = true; |
b4bd0b16 | 284 | /* fall through */ |
85bc5852 | 285 | case AUDIO_FORMAT_U32: |
f941aa25 TS |
286 | bits = 32; |
287 | break; | |
85bc5852 KZ |
288 | |
289 | default: | |
290 | abort(); | |
85571bc7 | 291 | } |
c0fe3827 FB |
292 | return info->freq == as->freq |
293 | && info->nchannels == as->nchannels | |
ed2a4a79 KZ |
294 | && info->is_signed == is_signed |
295 | && info->is_float == is_float | |
d929eba5 FB |
296 | && info->bits == bits |
297 | && info->swap_endianness == (as->endianness != AUDIO_HOST_ENDIANNESS); | |
1d14ffa9 | 298 | } |
85571bc7 | 299 | |
1ea879e5 | 300 | void audio_pcm_init_info (struct audio_pcm_info *info, struct audsettings *as) |
1d14ffa9 | 301 | { |
ed2a4a79 KZ |
302 | int bits = 8, mul; |
303 | bool is_signed = false, is_float = false; | |
1d14ffa9 | 304 | |
c0fe3827 | 305 | switch (as->fmt) { |
85bc5852 | 306 | case AUDIO_FORMAT_S8: |
ed2a4a79 | 307 | is_signed = true; |
f7621fd1 | 308 | /* fall through */ |
85bc5852 | 309 | case AUDIO_FORMAT_U8: |
2b9cce8c | 310 | mul = 1; |
85571bc7 FB |
311 | break; |
312 | ||
85bc5852 | 313 | case AUDIO_FORMAT_S16: |
ed2a4a79 | 314 | is_signed = true; |
e4634941 | 315 | /* fall through */ |
85bc5852 | 316 | case AUDIO_FORMAT_U16: |
85571bc7 | 317 | bits = 16; |
2b9cce8c | 318 | mul = 2; |
f941aa25 TS |
319 | break; |
320 | ||
ed2a4a79 KZ |
321 | case AUDIO_FORMAT_F32: |
322 | is_float = true; | |
323 | /* fall through */ | |
85bc5852 | 324 | case AUDIO_FORMAT_S32: |
ed2a4a79 | 325 | is_signed = true; |
e4634941 | 326 | /* fall through */ |
85bc5852 | 327 | case AUDIO_FORMAT_U32: |
f941aa25 | 328 | bits = 32; |
2b9cce8c | 329 | mul = 4; |
85571bc7 | 330 | break; |
85bc5852 KZ |
331 | |
332 | default: | |
333 | abort(); | |
85571bc7 FB |
334 | } |
335 | ||
c0fe3827 | 336 | info->freq = as->freq; |
1d14ffa9 | 337 | info->bits = bits; |
ed2a4a79 KZ |
338 | info->is_signed = is_signed; |
339 | info->is_float = is_float; | |
c0fe3827 | 340 | info->nchannels = as->nchannels; |
2b9cce8c KZ |
341 | info->bytes_per_frame = as->nchannels * mul; |
342 | info->bytes_per_second = info->freq * info->bytes_per_frame; | |
d929eba5 | 343 | info->swap_endianness = (as->endianness != AUDIO_HOST_ENDIANNESS); |
85571bc7 FB |
344 | } |
345 | ||
1d14ffa9 | 346 | void audio_pcm_info_clear_buf (struct audio_pcm_info *info, void *buf, int len) |
85571bc7 | 347 | { |
1d14ffa9 FB |
348 | if (!len) { |
349 | return; | |
350 | } | |
351 | ||
ed2a4a79 | 352 | if (info->is_signed || info->is_float) { |
2b9cce8c | 353 | memset(buf, 0x00, len * info->bytes_per_frame); |
6c6886bd | 354 | } else { |
f941aa25 TS |
355 | switch (info->bits) { |
356 | case 8: | |
2b9cce8c | 357 | memset(buf, 0x80, len * info->bytes_per_frame); |
f941aa25 | 358 | break; |
1d14ffa9 | 359 | |
f941aa25 TS |
360 | case 16: |
361 | { | |
362 | int i; | |
363 | uint16_t *p = buf; | |
f941aa25 TS |
364 | short s = INT16_MAX; |
365 | ||
366 | if (info->swap_endianness) { | |
367 | s = bswap16 (s); | |
368 | } | |
369 | ||
2b9cce8c | 370 | for (i = 0; i < len * info->nchannels; i++) { |
f941aa25 TS |
371 | p[i] = s; |
372 | } | |
1d14ffa9 | 373 | } |
f941aa25 TS |
374 | break; |
375 | ||
376 | case 32: | |
377 | { | |
378 | int i; | |
379 | uint32_t *p = buf; | |
f941aa25 TS |
380 | int32_t s = INT32_MAX; |
381 | ||
382 | if (info->swap_endianness) { | |
383 | s = bswap32 (s); | |
384 | } | |
1d14ffa9 | 385 | |
2b9cce8c | 386 | for (i = 0; i < len * info->nchannels; i++) { |
f941aa25 TS |
387 | p[i] = s; |
388 | } | |
1d14ffa9 | 389 | } |
f941aa25 TS |
390 | break; |
391 | ||
392 | default: | |
393 | AUD_log (NULL, "audio_pcm_info_clear_buf: invalid bits %d\n", | |
394 | info->bits); | |
395 | break; | |
1d14ffa9 | 396 | } |
85571bc7 FB |
397 | } |
398 | } | |
399 | ||
8ead62cf FB |
400 | /* |
401 | * Capture | |
402 | */ | |
00e07679 | 403 | static void noop_conv (struct st_sample *dst, const void *src, int samples) |
8ead62cf FB |
404 | { |
405 | (void) src; | |
406 | (void) dst; | |
407 | (void) samples; | |
8ead62cf FB |
408 | } |
409 | ||
526fb058 KZ |
410 | static CaptureVoiceOut *audio_pcm_capture_find_specific(AudioState *s, |
411 | struct audsettings *as) | |
8ead62cf FB |
412 | { |
413 | CaptureVoiceOut *cap; | |
8ead62cf FB |
414 | |
415 | for (cap = s->cap_head.lh_first; cap; cap = cap->entries.le_next) { | |
d929eba5 | 416 | if (audio_pcm_info_eq (&cap->hw.info, as)) { |
8ead62cf FB |
417 | return cap; |
418 | } | |
419 | } | |
420 | return NULL; | |
421 | } | |
422 | ||
ec36b695 | 423 | static void audio_notify_capture (CaptureVoiceOut *cap, audcnotification_e cmd) |
8ead62cf | 424 | { |
ec36b695 FB |
425 | struct capture_callback *cb; |
426 | ||
427 | #ifdef DEBUG_CAPTURE | |
428 | dolog ("notification %d sent\n", cmd); | |
429 | #endif | |
430 | for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) { | |
431 | cb->ops.notify (cb->opaque, cmd); | |
432 | } | |
433 | } | |
8ead62cf | 434 | |
ec36b695 FB |
435 | static void audio_capture_maybe_changed (CaptureVoiceOut *cap, int enabled) |
436 | { | |
437 | if (cap->hw.enabled != enabled) { | |
438 | audcnotification_e cmd; | |
8ead62cf | 439 | cap->hw.enabled = enabled; |
ec36b695 FB |
440 | cmd = enabled ? AUD_CNOTIFY_ENABLE : AUD_CNOTIFY_DISABLE; |
441 | audio_notify_capture (cap, cmd); | |
8ead62cf FB |
442 | } |
443 | } | |
444 | ||
445 | static void audio_recalc_and_notify_capture (CaptureVoiceOut *cap) | |
446 | { | |
447 | HWVoiceOut *hw = &cap->hw; | |
448 | SWVoiceOut *sw; | |
449 | int enabled = 0; | |
450 | ||
ec36b695 | 451 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { |
8ead62cf FB |
452 | if (sw->active) { |
453 | enabled = 1; | |
454 | break; | |
455 | } | |
456 | } | |
ec36b695 | 457 | audio_capture_maybe_changed (cap, enabled); |
8ead62cf FB |
458 | } |
459 | ||
460 | static void audio_detach_capture (HWVoiceOut *hw) | |
461 | { | |
ec36b695 FB |
462 | SWVoiceCap *sc = hw->cap_head.lh_first; |
463 | ||
464 | while (sc) { | |
465 | SWVoiceCap *sc1 = sc->entries.le_next; | |
466 | SWVoiceOut *sw = &sc->sw; | |
467 | CaptureVoiceOut *cap = sc->cap; | |
468 | int was_active = sw->active; | |
8ead62cf | 469 | |
8ead62cf FB |
470 | if (sw->rate) { |
471 | st_rate_stop (sw->rate); | |
472 | sw->rate = NULL; | |
473 | } | |
474 | ||
72cf2d4f BS |
475 | QLIST_REMOVE (sw, entries); |
476 | QLIST_REMOVE (sc, entries); | |
7267c094 | 477 | g_free (sc); |
ec36b695 FB |
478 | if (was_active) { |
479 | /* We have removed soft voice from the capture: | |
480 | this might have changed the overall status of the capture | |
481 | since this might have been the only active voice */ | |
482 | audio_recalc_and_notify_capture (cap); | |
483 | } | |
484 | sc = sc1; | |
8ead62cf FB |
485 | } |
486 | } | |
487 | ||
1a7dafce | 488 | static int audio_attach_capture (HWVoiceOut *hw) |
8ead62cf | 489 | { |
526fb058 | 490 | AudioState *s = hw->s; |
8ead62cf FB |
491 | CaptureVoiceOut *cap; |
492 | ||
493 | audio_detach_capture (hw); | |
494 | for (cap = s->cap_head.lh_first; cap; cap = cap->entries.le_next) { | |
ec36b695 | 495 | SWVoiceCap *sc; |
8ead62cf | 496 | SWVoiceOut *sw; |
ec36b695 | 497 | HWVoiceOut *hw_cap = &cap->hw; |
8ead62cf | 498 | |
e8d85444 | 499 | sc = g_malloc0(sizeof(*sc)); |
8ead62cf | 500 | |
ec36b695 FB |
501 | sc->cap = cap; |
502 | sw = &sc->sw; | |
8ead62cf | 503 | sw->hw = hw_cap; |
ec36b695 | 504 | sw->info = hw->info; |
8ead62cf FB |
505 | sw->empty = 1; |
506 | sw->active = hw->enabled; | |
507 | sw->conv = noop_conv; | |
508 | sw->ratio = ((int64_t) hw_cap->info.freq << 32) / sw->info.freq; | |
83617103 | 509 | sw->vol = nominal_volume; |
8ead62cf FB |
510 | sw->rate = st_rate_start (sw->info.freq, hw_cap->info.freq); |
511 | if (!sw->rate) { | |
512 | dolog ("Could not start rate conversion for `%s'\n", SW_NAME (sw)); | |
7267c094 | 513 | g_free (sw); |
8ead62cf FB |
514 | return -1; |
515 | } | |
72cf2d4f BS |
516 | QLIST_INSERT_HEAD (&hw_cap->sw_head, sw, entries); |
517 | QLIST_INSERT_HEAD (&hw->cap_head, sc, entries); | |
ec36b695 | 518 | #ifdef DEBUG_CAPTURE |
457b6543 SW |
519 | sw->name = g_strdup_printf ("for %p %d,%d,%d", |
520 | hw, sw->info.freq, sw->info.bits, | |
521 | sw->info.nchannels); | |
ec36b695 FB |
522 | dolog ("Added %s active = %d\n", sw->name, sw->active); |
523 | #endif | |
8ead62cf | 524 | if (sw->active) { |
ec36b695 | 525 | audio_capture_maybe_changed (cap, 1); |
8ead62cf FB |
526 | } |
527 | } | |
528 | return 0; | |
529 | } | |
530 | ||
1d14ffa9 FB |
531 | /* |
532 | * Hard voice (capture) | |
533 | */ | |
7520462b | 534 | static size_t audio_pcm_hw_find_min_in (HWVoiceIn *hw) |
85571bc7 | 535 | { |
1d14ffa9 | 536 | SWVoiceIn *sw; |
7520462b | 537 | size_t m = hw->total_samples_captured; |
1d14ffa9 FB |
538 | |
539 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { | |
540 | if (sw->active) { | |
58935915 | 541 | m = MIN (m, sw->total_hw_samples_acquired); |
1d14ffa9 | 542 | } |
85571bc7 | 543 | } |
1d14ffa9 | 544 | return m; |
85571bc7 FB |
545 | } |
546 | ||
3f5bbfc2 | 547 | static size_t audio_pcm_hw_get_live_in(HWVoiceIn *hw) |
85571bc7 | 548 | { |
7520462b | 549 | size_t live = hw->total_samples_captured - audio_pcm_hw_find_min_in (hw); |
dc88e38f KZ |
550 | if (audio_bug(__func__, live > hw->conv_buf->size)) { |
551 | dolog("live=%zu hw->conv_buf->size=%zu\n", live, hw->conv_buf->size); | |
12f4abf6 | 552 | return 0; |
85571bc7 | 553 | } |
1d14ffa9 | 554 | return live; |
85571bc7 FB |
555 | } |
556 | ||
251f1549 VR |
557 | static size_t audio_pcm_hw_conv_in(HWVoiceIn *hw, void *pcm_buf, size_t samples) |
558 | { | |
559 | size_t conv = 0; | |
560 | STSampleBuffer *conv_buf = hw->conv_buf; | |
561 | ||
562 | while (samples) { | |
563 | uint8_t *src = advance(pcm_buf, conv * hw->info.bytes_per_frame); | |
564 | size_t proc = MIN(samples, conv_buf->size - conv_buf->pos); | |
565 | ||
566 | hw->conv(conv_buf->samples + conv_buf->pos, src, proc); | |
567 | conv_buf->pos = (conv_buf->pos + proc) % conv_buf->size; | |
568 | samples -= proc; | |
569 | conv += proc; | |
570 | } | |
571 | ||
572 | return conv; | |
573 | } | |
574 | ||
1d14ffa9 FB |
575 | /* |
576 | * Soft voice (capture) | |
577 | */ | |
7520462b | 578 | static size_t audio_pcm_sw_read(SWVoiceIn *sw, void *buf, size_t size) |
85571bc7 | 579 | { |
1d14ffa9 | 580 | HWVoiceIn *hw = sw->hw; |
7520462b | 581 | size_t samples, live, ret = 0, swlim, isamp, osamp, rpos, total = 0; |
1ea879e5 | 582 | struct st_sample *src, *dst = sw->buf; |
1d14ffa9 | 583 | |
1d14ffa9 | 584 | live = hw->total_samples_captured - sw->total_hw_samples_acquired; |
0ceb26af VR |
585 | if (!live) { |
586 | return 0; | |
587 | } | |
dc88e38f KZ |
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 | ||
0ceb26af VR |
593 | rpos = audio_ring_posb(hw->conv_buf->pos, live, hw->conv_buf->size); |
594 | ||
2b9cce8c | 595 | samples = size / sw->info.bytes_per_frame; |
85571bc7 | 596 | |
1d14ffa9 | 597 | swlim = (live * sw->ratio) >> 32; |
58935915 | 598 | swlim = MIN (swlim, samples); |
85571bc7 | 599 | |
1d14ffa9 | 600 | while (swlim) { |
dc88e38f KZ |
601 | src = hw->conv_buf->samples + rpos; |
602 | if (hw->conv_buf->pos > rpos) { | |
603 | isamp = hw->conv_buf->pos - rpos; | |
7520462b | 604 | } else { |
dc88e38f | 605 | isamp = hw->conv_buf->size - rpos; |
1d14ffa9 | 606 | } |
85571bc7 | 607 | |
1d14ffa9 FB |
608 | if (!isamp) { |
609 | break; | |
610 | } | |
611 | osamp = swlim; | |
85571bc7 | 612 | |
1d14ffa9 FB |
613 | st_rate_flow (sw->rate, src, dst, &isamp, &osamp); |
614 | swlim -= osamp; | |
dc88e38f | 615 | rpos = (rpos + isamp) % hw->conv_buf->size; |
1d14ffa9 FB |
616 | dst += osamp; |
617 | ret += osamp; | |
618 | total += isamp; | |
619 | } | |
85571bc7 | 620 | |
669b9522 | 621 | if (!hw->pcm_ops->volume_in) { |
c01b2456 MAL |
622 | mixeng_volume (sw->buf, ret, &sw->vol); |
623 | } | |
00e07679 | 624 | |
571ec3d6 | 625 | sw->clip (buf, sw->buf, ret); |
1d14ffa9 | 626 | sw->total_hw_samples_acquired += total; |
2b9cce8c | 627 | return ret * sw->info.bytes_per_frame; |
85571bc7 FB |
628 | } |
629 | ||
1d14ffa9 FB |
630 | /* |
631 | * Hard voice (playback) | |
632 | */ | |
7520462b | 633 | static size_t audio_pcm_hw_find_min_out (HWVoiceOut *hw, int *nb_livep) |
1d14ffa9 | 634 | { |
c0fe3827 | 635 | SWVoiceOut *sw; |
7520462b | 636 | size_t m = SIZE_MAX; |
c0fe3827 | 637 | int nb_live = 0; |
85571bc7 | 638 | |
c0fe3827 FB |
639 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { |
640 | if (sw->active || !sw->empty) { | |
58935915 | 641 | m = MIN (m, sw->total_hw_samples_mixed); |
c0fe3827 FB |
642 | nb_live += 1; |
643 | } | |
85571bc7 | 644 | } |
c0fe3827 FB |
645 | |
646 | *nb_livep = nb_live; | |
647 | return m; | |
1d14ffa9 | 648 | } |
85571bc7 | 649 | |
7520462b | 650 | static size_t audio_pcm_hw_get_live_out (HWVoiceOut *hw, int *nb_live) |
1d14ffa9 | 651 | { |
7520462b | 652 | size_t smin; |
bdff253c | 653 | int nb_live1; |
85571bc7 | 654 | |
bdff253c | 655 | smin = audio_pcm_hw_find_min_out (hw, &nb_live1); |
656 | if (nb_live) { | |
657 | *nb_live = nb_live1; | |
85571bc7 | 658 | } |
bdff253c | 659 | |
660 | if (nb_live1) { | |
7520462b | 661 | size_t live = smin; |
1d14ffa9 | 662 | |
dc88e38f KZ |
663 | if (audio_bug(__func__, live > hw->mix_buf->size)) { |
664 | dolog("live=%zu hw->mix_buf->size=%zu\n", live, hw->mix_buf->size); | |
12f4abf6 | 665 | return 0; |
85571bc7 | 666 | } |
1d14ffa9 | 667 | return live; |
85571bc7 | 668 | } |
bdff253c | 669 | return 0; |
85571bc7 FB |
670 | } |
671 | ||
9833438e VR |
672 | static size_t audio_pcm_hw_get_free(HWVoiceOut *hw) |
673 | { | |
674 | return (hw->pcm_ops->buffer_get_free ? hw->pcm_ops->buffer_get_free(hw) : | |
675 | INT_MAX) / hw->info.bytes_per_frame; | |
676 | } | |
677 | ||
8e56a172 VR |
678 | static void audio_pcm_hw_clip_out(HWVoiceOut *hw, void *pcm_buf, size_t len) |
679 | { | |
680 | size_t clipped = 0; | |
681 | size_t pos = hw->mix_buf->pos; | |
682 | ||
683 | while (len) { | |
684 | st_sample *src = hw->mix_buf->samples + pos; | |
685 | uint8_t *dst = advance(pcm_buf, clipped * hw->info.bytes_per_frame); | |
686 | size_t samples_till_end_of_buf = hw->mix_buf->size - pos; | |
687 | size_t samples_to_clip = MIN(len, samples_till_end_of_buf); | |
688 | ||
689 | hw->clip(dst, src, samples_to_clip); | |
690 | ||
691 | pos = (pos + samples_to_clip) % hw->mix_buf->size; | |
692 | len -= samples_to_clip; | |
693 | clipped += samples_to_clip; | |
694 | } | |
695 | } | |
696 | ||
1d14ffa9 FB |
697 | /* |
698 | * Soft voice (playback) | |
699 | */ | |
7520462b | 700 | static size_t audio_pcm_sw_write(SWVoiceOut *sw, void *buf, size_t size) |
85571bc7 | 701 | { |
9833438e VR |
702 | size_t hwsamples, samples, isamp, osamp, wpos, live, dead, left, blck; |
703 | size_t hw_free; | |
7520462b | 704 | size_t ret = 0, pos = 0, total = 0; |
85571bc7 | 705 | |
1d14ffa9 FB |
706 | if (!sw) { |
707 | return size; | |
708 | } | |
85571bc7 | 709 | |
dc88e38f | 710 | hwsamples = sw->hw->mix_buf->size; |
85571bc7 | 711 | |
1d14ffa9 | 712 | live = sw->total_hw_samples_mixed; |
7520462b | 713 | if (audio_bug(__func__, live > hwsamples)) { |
dc88e38f | 714 | dolog("live=%zu hw->mix_buf->size=%zu\n", live, hwsamples); |
12f4abf6 | 715 | return 0; |
1d14ffa9 | 716 | } |
85571bc7 | 717 | |
1d14ffa9 | 718 | if (live == hwsamples) { |
ec36b695 | 719 | #ifdef DEBUG_OUT |
0c29b786 | 720 | dolog ("%s is full %zu\n", sw->name, live); |
ec36b695 | 721 | #endif |
1d14ffa9 FB |
722 | return 0; |
723 | } | |
85571bc7 | 724 | |
dc88e38f | 725 | wpos = (sw->hw->mix_buf->pos + live) % hwsamples; |
85571bc7 | 726 | |
1d14ffa9 | 727 | dead = hwsamples - live; |
9833438e VR |
728 | hw_free = audio_pcm_hw_get_free(sw->hw); |
729 | hw_free = hw_free > live ? hw_free - live : 0; | |
730 | samples = ((int64_t)MIN(dead, hw_free) << 32) / sw->ratio; | |
731 | samples = MIN(samples, size / sw->info.bytes_per_frame); | |
732 | if (samples) { | |
733 | sw->conv(sw->buf, buf, samples); | |
c01b2456 | 734 | |
669b9522 | 735 | if (!sw->hw->pcm_ops->volume_out) { |
9833438e | 736 | mixeng_volume(sw->buf, samples, &sw->vol); |
c01b2456 | 737 | } |
1d14ffa9 FB |
738 | } |
739 | ||
9833438e | 740 | while (samples) { |
1d14ffa9 FB |
741 | dead = hwsamples - live; |
742 | left = hwsamples - wpos; | |
58935915 | 743 | blck = MIN (dead, left); |
1d14ffa9 FB |
744 | if (!blck) { |
745 | break; | |
746 | } | |
9833438e | 747 | isamp = samples; |
1d14ffa9 FB |
748 | osamp = blck; |
749 | st_rate_flow_mix ( | |
750 | sw->rate, | |
751 | sw->buf + pos, | |
dc88e38f | 752 | sw->hw->mix_buf->samples + wpos, |
1d14ffa9 FB |
753 | &isamp, |
754 | &osamp | |
755 | ); | |
756 | ret += isamp; | |
9833438e | 757 | samples -= isamp; |
1d14ffa9 FB |
758 | pos += isamp; |
759 | live += osamp; | |
760 | wpos = (wpos + osamp) % hwsamples; | |
761 | total += osamp; | |
762 | } | |
763 | ||
764 | sw->total_hw_samples_mixed += total; | |
765 | sw->empty = sw->total_hw_samples_mixed == 0; | |
766 | ||
767 | #ifdef DEBUG_OUT | |
768 | dolog ( | |
7520462b | 769 | "%s: write size %zu ret %zu total sw %zu\n", |
c0fe3827 | 770 | SW_NAME (sw), |
2b9cce8c | 771 | size / sw->info.bytes_per_frame, |
1d14ffa9 | 772 | ret, |
c0fe3827 | 773 | sw->total_hw_samples_mixed |
1d14ffa9 FB |
774 | ); |
775 | #endif | |
776 | ||
2b9cce8c | 777 | return ret * sw->info.bytes_per_frame; |
85571bc7 FB |
778 | } |
779 | ||
1d14ffa9 FB |
780 | #ifdef DEBUG_AUDIO |
781 | static void audio_pcm_print_info (const char *cap, struct audio_pcm_info *info) | |
85571bc7 | 782 | { |
ed2a4a79 KZ |
783 | dolog("%s: bits %d, sign %d, float %d, freq %d, nchan %d\n", |
784 | cap, info->bits, info->is_signed, info->is_float, info->freq, | |
785 | info->nchannels); | |
85571bc7 | 786 | } |
1d14ffa9 | 787 | #endif |
85571bc7 | 788 | |
1d14ffa9 FB |
789 | #define DAC |
790 | #include "audio_template.h" | |
791 | #undef DAC | |
792 | #include "audio_template.h" | |
793 | ||
713a98f8 | 794 | /* |
795 | * Timer | |
796 | */ | |
526fb058 | 797 | static int audio_is_timer_needed(AudioState *s) |
713a98f8 | 798 | { |
799 | HWVoiceIn *hwi = NULL; | |
800 | HWVoiceOut *hwo = NULL; | |
801 | ||
526fb058 | 802 | while ((hwo = audio_pcm_hw_find_any_enabled_out(s, hwo))) { |
6c6886bd ZH |
803 | if (!hwo->poll_mode) { |
804 | return 1; | |
805 | } | |
713a98f8 | 806 | } |
526fb058 | 807 | while ((hwi = audio_pcm_hw_find_any_enabled_in(s, hwi))) { |
6c6886bd ZH |
808 | if (!hwi->poll_mode) { |
809 | return 1; | |
810 | } | |
713a98f8 | 811 | } |
812 | return 0; | |
813 | } | |
814 | ||
39deb1e4 | 815 | static void audio_reset_timer (AudioState *s) |
713a98f8 | 816 | { |
526fb058 | 817 | if (audio_is_timer_needed(s)) { |
1ffc2665 | 818 | timer_mod_anticipate_ns(s->ts, |
71830221 | 819 | qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + s->period_ticks); |
526fb058 KZ |
820 | if (!s->timer_running) { |
821 | s->timer_running = true; | |
822 | s->timer_last = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); | |
71830221 | 823 | trace_audio_timer_start(s->period_ticks / SCALE_MS); |
1a961e78 GH |
824 | } |
825 | } else { | |
826 | timer_del(s->ts); | |
526fb058 KZ |
827 | if (s->timer_running) { |
828 | s->timer_running = false; | |
1a961e78 GH |
829 | trace_audio_timer_stop(); |
830 | } | |
713a98f8 | 831 | } |
832 | } | |
833 | ||
39deb1e4 | 834 | static void audio_timer (void *opaque) |
835 | { | |
1a961e78 | 836 | int64_t now, diff; |
71830221 | 837 | AudioState *s = opaque; |
1a961e78 GH |
838 | |
839 | now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); | |
526fb058 | 840 | diff = now - s->timer_last; |
71830221 | 841 | if (diff > s->period_ticks * 3 / 2) { |
1a961e78 GH |
842 | trace_audio_timer_delayed(diff / SCALE_MS); |
843 | } | |
526fb058 | 844 | s->timer_last = now; |
1a961e78 | 845 | |
18e2c177 | 846 | audio_run(s, "timer"); |
71830221 | 847 | audio_reset_timer(s); |
39deb1e4 | 848 | } |
849 | ||
713a98f8 | 850 | /* |
851 | * Public API | |
852 | */ | |
7520462b | 853 | size_t AUD_write(SWVoiceOut *sw, void *buf, size_t size) |
85571bc7 | 854 | { |
1930616b KZ |
855 | HWVoiceOut *hw; |
856 | ||
1d14ffa9 FB |
857 | if (!sw) { |
858 | /* XXX: Consider options */ | |
859 | return size; | |
860 | } | |
1930616b | 861 | hw = sw->hw; |
85571bc7 | 862 | |
1930616b | 863 | if (!hw->enabled) { |
c0fe3827 | 864 | dolog ("Writing to disabled voice %s\n", SW_NAME (sw)); |
85571bc7 FB |
865 | return 0; |
866 | } | |
867 | ||
1930616b KZ |
868 | if (audio_get_pdo_out(hw->s->dev)->mixing_engine) { |
869 | return audio_pcm_sw_write(sw, buf, size); | |
870 | } else { | |
871 | return hw->pcm_ops->write(hw, buf, size); | |
872 | } | |
1d14ffa9 FB |
873 | } |
874 | ||
7520462b | 875 | size_t AUD_read(SWVoiceIn *sw, void *buf, size_t size) |
1d14ffa9 | 876 | { |
1930616b KZ |
877 | HWVoiceIn *hw; |
878 | ||
1d14ffa9 FB |
879 | if (!sw) { |
880 | /* XXX: Consider options */ | |
881 | return size; | |
85571bc7 | 882 | } |
1930616b | 883 | hw = sw->hw; |
1d14ffa9 | 884 | |
1930616b | 885 | if (!hw->enabled) { |
c0fe3827 | 886 | dolog ("Reading from disabled voice %s\n", SW_NAME (sw)); |
1d14ffa9 | 887 | return 0; |
85571bc7 | 888 | } |
1d14ffa9 | 889 | |
1930616b KZ |
890 | if (audio_get_pdo_in(hw->s->dev)->mixing_engine) { |
891 | return audio_pcm_sw_read(sw, buf, size); | |
892 | } else { | |
893 | return hw->pcm_ops->read(hw, buf, size); | |
894 | } | |
85571bc7 FB |
895 | } |
896 | ||
69ac0786 | 897 | int AUD_get_buffer_size_out(SWVoiceOut *sw) |
85571bc7 | 898 | { |
69ac0786 | 899 | return sw->hw->samples * sw->hw->info.bytes_per_frame; |
1d14ffa9 FB |
900 | } |
901 | ||
902 | void AUD_set_active_out (SWVoiceOut *sw, int on) | |
903 | { | |
904 | HWVoiceOut *hw; | |
85571bc7 | 905 | |
1d14ffa9 | 906 | if (!sw) { |
85571bc7 | 907 | return; |
1d14ffa9 | 908 | } |
85571bc7 FB |
909 | |
910 | hw = sw->hw; | |
1d14ffa9 | 911 | if (sw->active != on) { |
526fb058 | 912 | AudioState *s = sw->s; |
1d14ffa9 | 913 | SWVoiceOut *temp_sw; |
ec36b695 | 914 | SWVoiceCap *sc; |
1d14ffa9 FB |
915 | |
916 | if (on) { | |
1d14ffa9 FB |
917 | hw->pending_disable = 0; |
918 | if (!hw->enabled) { | |
919 | hw->enabled = 1; | |
978dd635 | 920 | if (s->vm_running) { |
571a8c52 KZ |
921 | if (hw->pcm_ops->enable_out) { |
922 | hw->pcm_ops->enable_out(hw, true); | |
923 | } | |
39deb1e4 | 924 | audio_reset_timer (s); |
978dd635 | 925 | } |
1d14ffa9 | 926 | } |
6c6886bd | 927 | } else { |
1d14ffa9 FB |
928 | if (hw->enabled) { |
929 | int nb_active = 0; | |
930 | ||
931 | for (temp_sw = hw->sw_head.lh_first; temp_sw; | |
932 | temp_sw = temp_sw->entries.le_next) { | |
933 | nb_active += temp_sw->active != 0; | |
934 | } | |
935 | ||
936 | hw->pending_disable = nb_active == 1; | |
937 | } | |
85571bc7 | 938 | } |
ec36b695 FB |
939 | |
940 | for (sc = hw->cap_head.lh_first; sc; sc = sc->entries.le_next) { | |
941 | sc->sw.active = hw->enabled; | |
8ead62cf | 942 | if (hw->enabled) { |
ec36b695 | 943 | audio_capture_maybe_changed (sc->cap, 1); |
8ead62cf FB |
944 | } |
945 | } | |
1d14ffa9 FB |
946 | sw->active = on; |
947 | } | |
948 | } | |
949 | ||
950 | void AUD_set_active_in (SWVoiceIn *sw, int on) | |
951 | { | |
952 | HWVoiceIn *hw; | |
953 | ||
954 | if (!sw) { | |
955 | return; | |
85571bc7 FB |
956 | } |
957 | ||
1d14ffa9 | 958 | hw = sw->hw; |
85571bc7 | 959 | if (sw->active != on) { |
526fb058 | 960 | AudioState *s = sw->s; |
1d14ffa9 FB |
961 | SWVoiceIn *temp_sw; |
962 | ||
85571bc7 | 963 | if (on) { |
85571bc7 FB |
964 | if (!hw->enabled) { |
965 | hw->enabled = 1; | |
978dd635 | 966 | if (s->vm_running) { |
571a8c52 KZ |
967 | if (hw->pcm_ops->enable_in) { |
968 | hw->pcm_ops->enable_in(hw, true); | |
969 | } | |
39deb1e4 | 970 | audio_reset_timer (s); |
978dd635 | 971 | } |
85571bc7 | 972 | } |
1d14ffa9 | 973 | sw->total_hw_samples_acquired = hw->total_samples_captured; |
6c6886bd | 974 | } else { |
1d14ffa9 | 975 | if (hw->enabled) { |
85571bc7 | 976 | int nb_active = 0; |
1d14ffa9 FB |
977 | |
978 | for (temp_sw = hw->sw_head.lh_first; temp_sw; | |
979 | temp_sw = temp_sw->entries.le_next) { | |
980 | nb_active += temp_sw->active != 0; | |
85571bc7 FB |
981 | } |
982 | ||
983 | if (nb_active == 1) { | |
1d14ffa9 | 984 | hw->enabled = 0; |
571a8c52 KZ |
985 | if (hw->pcm_ops->enable_in) { |
986 | hw->pcm_ops->enable_in(hw, false); | |
987 | } | |
85571bc7 FB |
988 | } |
989 | } | |
990 | } | |
991 | sw->active = on; | |
992 | } | |
993 | } | |
994 | ||
0724c579 VR |
995 | /** |
996 | * audio_frontend_frames_in() - returns the number of frames the resampling | |
997 | * code generates from frames_in frames | |
998 | * | |
999 | * @sw: audio recording frontend | |
1000 | * @frames_in: number of frames | |
1001 | */ | |
1002 | static size_t audio_frontend_frames_in(SWVoiceIn *sw, size_t frames_in) | |
1003 | { | |
b73ef11f | 1004 | return (int64_t)frames_in * sw->ratio >> 32; |
0724c579 VR |
1005 | } |
1006 | ||
7520462b | 1007 | static size_t audio_get_avail (SWVoiceIn *sw) |
1d14ffa9 | 1008 | { |
7520462b | 1009 | size_t live; |
1d14ffa9 FB |
1010 | |
1011 | if (!sw) { | |
1012 | return 0; | |
1013 | } | |
1014 | ||
1015 | live = sw->hw->total_samples_captured - sw->total_hw_samples_acquired; | |
dc88e38f KZ |
1016 | if (audio_bug(__func__, live > sw->hw->conv_buf->size)) { |
1017 | dolog("live=%zu sw->hw->conv_buf->size=%zu\n", live, | |
1018 | sw->hw->conv_buf->size); | |
12f4abf6 | 1019 | return 0; |
1d14ffa9 FB |
1020 | } |
1021 | ||
1022 | ldebug ( | |
0724c579 | 1023 | "%s: get_avail live %zu frontend frames %zu\n", |
c0fe3827 | 1024 | SW_NAME (sw), |
0724c579 | 1025 | live, audio_frontend_frames_in(sw, live) |
1d14ffa9 FB |
1026 | ); |
1027 | ||
0724c579 | 1028 | return live; |
1d14ffa9 FB |
1029 | } |
1030 | ||
c4e59264 VR |
1031 | /** |
1032 | * audio_frontend_frames_out() - returns the number of frames needed to | |
1033 | * get frames_out frames after resampling | |
1034 | * | |
1035 | * @sw: audio playback frontend | |
1036 | * @frames_out: number of frames | |
1037 | */ | |
1038 | static size_t audio_frontend_frames_out(SWVoiceOut *sw, size_t frames_out) | |
9833438e | 1039 | { |
c4e59264 | 1040 | return ((int64_t)frames_out << 32) / sw->ratio; |
9833438e VR |
1041 | } |
1042 | ||
7520462b | 1043 | static size_t audio_get_free(SWVoiceOut *sw) |
1d14ffa9 | 1044 | { |
7520462b | 1045 | size_t live, dead; |
1d14ffa9 FB |
1046 | |
1047 | if (!sw) { | |
1048 | return 0; | |
1049 | } | |
1050 | ||
1051 | live = sw->total_hw_samples_mixed; | |
1052 | ||
dc88e38f KZ |
1053 | if (audio_bug(__func__, live > sw->hw->mix_buf->size)) { |
1054 | dolog("live=%zu sw->hw->mix_buf->size=%zu\n", live, | |
1055 | sw->hw->mix_buf->size); | |
12f4abf6 | 1056 | return 0; |
1d14ffa9 FB |
1057 | } |
1058 | ||
dc88e38f | 1059 | dead = sw->hw->mix_buf->size - live; |
1d14ffa9 FB |
1060 | |
1061 | #ifdef DEBUG_OUT | |
c4e59264 VR |
1062 | dolog("%s: get_free live %zu dead %zu frontend frames %zu\n", |
1063 | SW_NAME(sw), live, dead, audio_frontend_frames_out(sw, dead)); | |
85571bc7 | 1064 | #endif |
1d14ffa9 | 1065 | |
9833438e | 1066 | return dead; |
1d14ffa9 FB |
1067 | } |
1068 | ||
7520462b KZ |
1069 | static void audio_capture_mix_and_clear(HWVoiceOut *hw, size_t rpos, |
1070 | size_t samples) | |
8ead62cf | 1071 | { |
7520462b | 1072 | size_t n; |
8ead62cf FB |
1073 | |
1074 | if (hw->enabled) { | |
ec36b695 | 1075 | SWVoiceCap *sc; |
8ead62cf | 1076 | |
ec36b695 FB |
1077 | for (sc = hw->cap_head.lh_first; sc; sc = sc->entries.le_next) { |
1078 | SWVoiceOut *sw = &sc->sw; | |
8ead62cf FB |
1079 | int rpos2 = rpos; |
1080 | ||
1081 | n = samples; | |
1082 | while (n) { | |
dc88e38f | 1083 | size_t till_end_of_hw = hw->mix_buf->size - rpos2; |
7520462b | 1084 | size_t to_write = MIN(till_end_of_hw, n); |
2b9cce8c | 1085 | size_t bytes = to_write * hw->info.bytes_per_frame; |
7520462b | 1086 | size_t written; |
8ead62cf | 1087 | |
dc88e38f | 1088 | sw->buf = hw->mix_buf->samples + rpos2; |
8ead62cf FB |
1089 | written = audio_pcm_sw_write (sw, NULL, bytes); |
1090 | if (written - bytes) { | |
7520462b KZ |
1091 | dolog("Could not mix %zu bytes into a capture " |
1092 | "buffer, mixed %zu\n", | |
1093 | bytes, written); | |
8ead62cf FB |
1094 | break; |
1095 | } | |
1096 | n -= to_write; | |
dc88e38f | 1097 | rpos2 = (rpos2 + to_write) % hw->mix_buf->size; |
8ead62cf FB |
1098 | } |
1099 | } | |
1100 | } | |
1101 | ||
dc88e38f KZ |
1102 | n = MIN(samples, hw->mix_buf->size - rpos); |
1103 | mixeng_clear(hw->mix_buf->samples + rpos, n); | |
1104 | mixeng_clear(hw->mix_buf->samples, samples - n); | |
8ead62cf FB |
1105 | } |
1106 | ||
ff095e52 KZ |
1107 | static size_t audio_pcm_hw_run_out(HWVoiceOut *hw, size_t live) |
1108 | { | |
1109 | size_t clipped = 0; | |
1110 | ||
1111 | while (live) { | |
aec6d0dc VR |
1112 | size_t size = live * hw->info.bytes_per_frame; |
1113 | size_t decr, proc; | |
ff095e52 | 1114 | void *buf = hw->pcm_ops->get_buffer_out(hw, &size); |
4c3356f9 VR |
1115 | |
1116 | if (size == 0) { | |
fb35c2ce | 1117 | break; |
ff095e52 KZ |
1118 | } |
1119 | ||
2b9cce8c | 1120 | decr = MIN(size / hw->info.bytes_per_frame, live); |
4c3356f9 VR |
1121 | if (buf) { |
1122 | audio_pcm_hw_clip_out(hw, buf, decr); | |
1123 | } | |
2b9cce8c KZ |
1124 | proc = hw->pcm_ops->put_buffer_out(hw, buf, |
1125 | decr * hw->info.bytes_per_frame) / | |
1126 | hw->info.bytes_per_frame; | |
ff095e52 KZ |
1127 | |
1128 | live -= proc; | |
1129 | clipped += proc; | |
dc88e38f | 1130 | hw->mix_buf->pos = (hw->mix_buf->pos + proc) % hw->mix_buf->size; |
ff095e52 KZ |
1131 | |
1132 | if (proc == 0 || proc < decr) { | |
1133 | break; | |
1134 | } | |
1135 | } | |
1136 | ||
fdc8c5f4 VR |
1137 | if (hw->pcm_ops->run_buffer_out) { |
1138 | hw->pcm_ops->run_buffer_out(hw); | |
1139 | } | |
1140 | ||
ff095e52 KZ |
1141 | return clipped; |
1142 | } | |
1143 | ||
c0fe3827 | 1144 | static void audio_run_out (AudioState *s) |
1d14ffa9 FB |
1145 | { |
1146 | HWVoiceOut *hw = NULL; | |
1147 | SWVoiceOut *sw; | |
1148 | ||
4d31ff32 VR |
1149 | while ((hw = audio_pcm_hw_find_any_enabled_out(s, hw))) { |
1150 | size_t played, live, prev_rpos; | |
1151 | size_t hw_free = audio_pcm_hw_get_free(hw); | |
1152 | int nb_live; | |
1153 | ||
1154 | if (!audio_get_pdo_out(s->dev)->mixing_engine) { | |
1930616b KZ |
1155 | /* there is exactly 1 sw for each hw with no mixeng */ |
1156 | sw = hw->sw_head.lh_first; | |
1157 | ||
1158 | if (hw->pending_disable) { | |
1159 | hw->enabled = 0; | |
1160 | hw->pending_disable = 0; | |
1161 | if (hw->pcm_ops->enable_out) { | |
1162 | hw->pcm_ops->enable_out(hw, false); | |
1163 | } | |
1164 | } | |
1165 | ||
1166 | if (sw->active) { | |
7099a6a2 VR |
1167 | sw->callback.fn(sw->callback.opaque, |
1168 | hw_free * sw->info.bytes_per_frame); | |
1930616b | 1169 | } |
1930616b | 1170 | |
dd052dbf VR |
1171 | if (hw->pcm_ops->run_buffer_out) { |
1172 | hw->pcm_ops->run_buffer_out(hw); | |
1173 | } | |
1174 | ||
4d31ff32 VR |
1175 | continue; |
1176 | } | |
1d14ffa9 | 1177 | |
a806f959 VR |
1178 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { |
1179 | if (sw->active) { | |
9833438e VR |
1180 | size_t sw_free = audio_get_free(sw); |
1181 | size_t free; | |
1182 | ||
1183 | if (hw_free > sw->total_hw_samples_mixed) { | |
c4e59264 | 1184 | free = audio_frontend_frames_out(sw, |
9833438e VR |
1185 | MIN(sw_free, hw_free - sw->total_hw_samples_mixed)); |
1186 | } else { | |
1187 | free = 0; | |
1188 | } | |
a806f959 | 1189 | if (free > 0) { |
c4e59264 VR |
1190 | sw->callback.fn(sw->callback.opaque, |
1191 | free * sw->info.bytes_per_frame); | |
a806f959 VR |
1192 | } |
1193 | } | |
1194 | } | |
1195 | ||
bdff253c | 1196 | live = audio_pcm_hw_get_live_out (hw, &nb_live); |
1d14ffa9 FB |
1197 | if (!nb_live) { |
1198 | live = 0; | |
1199 | } | |
c0fe3827 | 1200 | |
dc88e38f KZ |
1201 | if (audio_bug(__func__, live > hw->mix_buf->size)) { |
1202 | dolog("live=%zu hw->mix_buf->size=%zu\n", live, hw->mix_buf->size); | |
12f4abf6 | 1203 | continue; |
1d14ffa9 FB |
1204 | } |
1205 | ||
1206 | if (hw->pending_disable && !nb_live) { | |
ec36b695 | 1207 | SWVoiceCap *sc; |
1d14ffa9 FB |
1208 | #ifdef DEBUG_OUT |
1209 | dolog ("Disabling voice\n"); | |
85571bc7 | 1210 | #endif |
1d14ffa9 FB |
1211 | hw->enabled = 0; |
1212 | hw->pending_disable = 0; | |
571a8c52 KZ |
1213 | if (hw->pcm_ops->enable_out) { |
1214 | hw->pcm_ops->enable_out(hw, false); | |
1215 | } | |
ec36b695 FB |
1216 | for (sc = hw->cap_head.lh_first; sc; sc = sc->entries.le_next) { |
1217 | sc->sw.active = 0; | |
1218 | audio_recalc_and_notify_capture (sc->cap); | |
8ead62cf | 1219 | } |
1d14ffa9 FB |
1220 | continue; |
1221 | } | |
1222 | ||
1223 | if (!live) { | |
a8a98cfd VR |
1224 | if (hw->pcm_ops->run_buffer_out) { |
1225 | hw->pcm_ops->run_buffer_out(hw); | |
1226 | } | |
1d14ffa9 FB |
1227 | continue; |
1228 | } | |
1229 | ||
dc88e38f | 1230 | prev_rpos = hw->mix_buf->pos; |
3f5bbfc2 | 1231 | played = audio_pcm_hw_run_out(hw, live); |
3d4d16f4 | 1232 | replay_audio_out(&played); |
dc88e38f KZ |
1233 | if (audio_bug(__func__, hw->mix_buf->pos >= hw->mix_buf->size)) { |
1234 | dolog("hw->mix_buf->pos=%zu hw->mix_buf->size=%zu played=%zu\n", | |
1235 | hw->mix_buf->pos, hw->mix_buf->size, played); | |
12f4abf6 | 1236 | hw->mix_buf->pos = 0; |
1d14ffa9 FB |
1237 | } |
1238 | ||
1239 | #ifdef DEBUG_OUT | |
7520462b | 1240 | dolog("played=%zu\n", played); |
85571bc7 | 1241 | #endif |
1d14ffa9 FB |
1242 | |
1243 | if (played) { | |
1244 | hw->ts_helper += played; | |
8ead62cf | 1245 | audio_capture_mix_and_clear (hw, prev_rpos, played); |
1d14ffa9 FB |
1246 | } |
1247 | ||
1248 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { | |
1d14ffa9 FB |
1249 | if (!sw->active && sw->empty) { |
1250 | continue; | |
1251 | } | |
1252 | ||
470bcabd | 1253 | if (audio_bug(__func__, played > sw->total_hw_samples_mixed)) { |
7520462b KZ |
1254 | dolog("played=%zu sw->total_hw_samples_mixed=%zu\n", |
1255 | played, sw->total_hw_samples_mixed); | |
12f4abf6 | 1256 | played = sw->total_hw_samples_mixed; |
1d14ffa9 FB |
1257 | } |
1258 | ||
1259 | sw->total_hw_samples_mixed -= played; | |
1260 | ||
1261 | if (!sw->total_hw_samples_mixed) { | |
1262 | sw->empty = 1; | |
1d14ffa9 | 1263 | } |
1d14ffa9 FB |
1264 | } |
1265 | } | |
1266 | } | |
1267 | ||
ff095e52 KZ |
1268 | static size_t audio_pcm_hw_run_in(HWVoiceIn *hw, size_t samples) |
1269 | { | |
1270 | size_t conv = 0; | |
1271 | ||
a2893c83 VR |
1272 | if (hw->pcm_ops->run_buffer_in) { |
1273 | hw->pcm_ops->run_buffer_in(hw); | |
1274 | } | |
1275 | ||
ff095e52 KZ |
1276 | while (samples) { |
1277 | size_t proc; | |
2b9cce8c | 1278 | size_t size = samples * hw->info.bytes_per_frame; |
ff095e52 KZ |
1279 | void *buf = hw->pcm_ops->get_buffer_in(hw, &size); |
1280 | ||
2b9cce8c | 1281 | assert(size % hw->info.bytes_per_frame == 0); |
ff095e52 | 1282 | if (size == 0) { |
ff095e52 KZ |
1283 | break; |
1284 | } | |
1285 | ||
251f1549 | 1286 | proc = audio_pcm_hw_conv_in(hw, buf, size / hw->info.bytes_per_frame); |
ff095e52 KZ |
1287 | |
1288 | samples -= proc; | |
1289 | conv += proc; | |
2b9cce8c | 1290 | hw->pcm_ops->put_buffer_in(hw, buf, proc * hw->info.bytes_per_frame); |
ff095e52 KZ |
1291 | } |
1292 | ||
1293 | return conv; | |
1294 | } | |
1295 | ||
c0fe3827 | 1296 | static void audio_run_in (AudioState *s) |
1d14ffa9 FB |
1297 | { |
1298 | HWVoiceIn *hw = NULL; | |
1299 | ||
1930616b KZ |
1300 | if (!audio_get_pdo_in(s->dev)->mixing_engine) { |
1301 | while ((hw = audio_pcm_hw_find_any_enabled_in(s, hw))) { | |
1302 | /* there is exactly 1 sw for each hw with no mixeng */ | |
1303 | SWVoiceIn *sw = hw->sw_head.lh_first; | |
1304 | if (sw->active) { | |
1305 | sw->callback.fn(sw->callback.opaque, INT_MAX); | |
1306 | } | |
1307 | } | |
1308 | return; | |
1309 | } | |
1310 | ||
526fb058 | 1311 | while ((hw = audio_pcm_hw_find_any_enabled_in(s, hw))) { |
1d14ffa9 | 1312 | SWVoiceIn *sw; |
7520462b | 1313 | size_t captured = 0, min; |
1d14ffa9 | 1314 | |
3d4d16f4 | 1315 | if (replay_mode != REPLAY_MODE_PLAY) { |
3f5bbfc2 | 1316 | captured = audio_pcm_hw_run_in( |
dc88e38f | 1317 | hw, hw->conv_buf->size - audio_pcm_hw_get_live_in(hw)); |
3d4d16f4 | 1318 | } |
dc88e38f KZ |
1319 | replay_audio_in(&captured, hw->conv_buf->samples, &hw->conv_buf->pos, |
1320 | hw->conv_buf->size); | |
1d14ffa9 FB |
1321 | |
1322 | min = audio_pcm_hw_find_min_in (hw); | |
1323 | hw->total_samples_captured += captured - min; | |
1324 | hw->ts_helper += captured; | |
1325 | ||
1326 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { | |
1327 | sw->total_hw_samples_acquired -= min; | |
1328 | ||
1329 | if (sw->active) { | |
0724c579 | 1330 | size_t sw_avail = audio_get_avail(sw); |
7520462b | 1331 | size_t avail; |
1d14ffa9 | 1332 | |
0724c579 | 1333 | avail = audio_frontend_frames_in(sw, sw_avail); |
1d14ffa9 | 1334 | if (avail > 0) { |
0724c579 VR |
1335 | sw->callback.fn(sw->callback.opaque, |
1336 | avail * sw->info.bytes_per_frame); | |
1d14ffa9 FB |
1337 | } |
1338 | } | |
1339 | } | |
1340 | } | |
1341 | } | |
1342 | ||
8ead62cf FB |
1343 | static void audio_run_capture (AudioState *s) |
1344 | { | |
1345 | CaptureVoiceOut *cap; | |
1346 | ||
1347 | for (cap = s->cap_head.lh_first; cap; cap = cap->entries.le_next) { | |
7520462b | 1348 | size_t live, rpos, captured; |
8ead62cf FB |
1349 | HWVoiceOut *hw = &cap->hw; |
1350 | SWVoiceOut *sw; | |
1351 | ||
bdff253c | 1352 | captured = live = audio_pcm_hw_get_live_out (hw, NULL); |
dc88e38f | 1353 | rpos = hw->mix_buf->pos; |
8ead62cf | 1354 | while (live) { |
dc88e38f | 1355 | size_t left = hw->mix_buf->size - rpos; |
7520462b | 1356 | size_t to_capture = MIN(live, left); |
1ea879e5 | 1357 | struct st_sample *src; |
8ead62cf FB |
1358 | struct capture_callback *cb; |
1359 | ||
dc88e38f | 1360 | src = hw->mix_buf->samples + rpos; |
8ead62cf FB |
1361 | hw->clip (cap->buf, src, to_capture); |
1362 | mixeng_clear (src, to_capture); | |
1363 | ||
1364 | for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) { | |
1365 | cb->ops.capture (cb->opaque, cap->buf, | |
2b9cce8c | 1366 | to_capture * hw->info.bytes_per_frame); |
8ead62cf | 1367 | } |
dc88e38f | 1368 | rpos = (rpos + to_capture) % hw->mix_buf->size; |
8ead62cf FB |
1369 | live -= to_capture; |
1370 | } | |
dc88e38f | 1371 | hw->mix_buf->pos = rpos; |
8ead62cf FB |
1372 | |
1373 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { | |
1374 | if (!sw->active && sw->empty) { | |
1375 | continue; | |
1376 | } | |
1377 | ||
470bcabd | 1378 | if (audio_bug(__func__, captured > sw->total_hw_samples_mixed)) { |
7520462b KZ |
1379 | dolog("captured=%zu sw->total_hw_samples_mixed=%zu\n", |
1380 | captured, sw->total_hw_samples_mixed); | |
12f4abf6 | 1381 | captured = sw->total_hw_samples_mixed; |
8ead62cf FB |
1382 | } |
1383 | ||
1384 | sw->total_hw_samples_mixed -= captured; | |
1385 | sw->empty = sw->total_hw_samples_mixed == 0; | |
1386 | } | |
1387 | } | |
1388 | } | |
1389 | ||
18e2c177 | 1390 | void audio_run(AudioState *s, const char *msg) |
571ec3d6 | 1391 | { |
18e2c177 KZ |
1392 | audio_run_out(s); |
1393 | audio_run_in(s); | |
1394 | audio_run_capture(s); | |
571ec3d6 | 1395 | |
713a98f8 | 1396 | #ifdef DEBUG_POLL |
1397 | { | |
1398 | static double prevtime; | |
1399 | double currtime; | |
1400 | struct timeval tv; | |
571ec3d6 | 1401 | |
713a98f8 | 1402 | if (gettimeofday (&tv, NULL)) { |
1403 | perror ("audio_run: gettimeofday"); | |
1404 | return; | |
1405 | } | |
1406 | ||
1407 | currtime = tv.tv_sec + tv.tv_usec * 1e-6; | |
1408 | dolog ("Elapsed since last %s: %f\n", msg, currtime - prevtime); | |
1409 | prevtime = currtime; | |
1410 | } | |
1411 | #endif | |
571ec3d6 FB |
1412 | } |
1413 | ||
a2893c83 | 1414 | void audio_generic_run_buffer_in(HWVoiceIn *hw) |
ff095e52 | 1415 | { |
ff095e52 | 1416 | if (unlikely(!hw->buf_emul)) { |
1d8549ad VR |
1417 | hw->size_emul = hw->samples * hw->info.bytes_per_frame; |
1418 | hw->buf_emul = g_malloc(hw->size_emul); | |
ff095e52 KZ |
1419 | hw->pos_emul = hw->pending_emul = 0; |
1420 | } | |
1421 | ||
1422 | while (hw->pending_emul < hw->size_emul) { | |
1423 | size_t read_len = MIN(hw->size_emul - hw->pos_emul, | |
1424 | hw->size_emul - hw->pending_emul); | |
1425 | size_t read = hw->pcm_ops->read(hw, hw->buf_emul + hw->pos_emul, | |
1426 | read_len); | |
1427 | hw->pending_emul += read; | |
7ffc90f3 | 1428 | hw->pos_emul = (hw->pos_emul + read) % hw->size_emul; |
ff095e52 KZ |
1429 | if (read < read_len) { |
1430 | break; | |
1431 | } | |
1432 | } | |
a2893c83 VR |
1433 | } |
1434 | ||
1435 | void *audio_generic_get_buffer_in(HWVoiceIn *hw, size_t *size) | |
1436 | { | |
18404ff1 | 1437 | size_t start; |
ff095e52 | 1438 | |
18404ff1 VR |
1439 | start = audio_ring_posb(hw->pos_emul, hw->pending_emul, hw->size_emul); |
1440 | assert(start < hw->size_emul); | |
ff095e52 | 1441 | |
599eac4e VR |
1442 | *size = MIN(*size, hw->pending_emul); |
1443 | *size = MIN(*size, hw->size_emul - start); | |
ff095e52 KZ |
1444 | return hw->buf_emul + start; |
1445 | } | |
1446 | ||
1447 | void audio_generic_put_buffer_in(HWVoiceIn *hw, void *buf, size_t size) | |
1448 | { | |
1449 | assert(size <= hw->pending_emul); | |
1450 | hw->pending_emul -= size; | |
1451 | } | |
1452 | ||
9833438e VR |
1453 | size_t audio_generic_buffer_get_free(HWVoiceOut *hw) |
1454 | { | |
1455 | if (hw->buf_emul) { | |
1456 | return hw->size_emul - hw->pending_emul; | |
1457 | } else { | |
1458 | return hw->samples * hw->info.bytes_per_frame; | |
1459 | } | |
1460 | } | |
1461 | ||
fdc8c5f4 VR |
1462 | void audio_generic_run_buffer_out(HWVoiceOut *hw) |
1463 | { | |
1464 | while (hw->pending_emul) { | |
18404ff1 | 1465 | size_t write_len, written, start; |
fdc8c5f4 | 1466 | |
18404ff1 VR |
1467 | start = audio_ring_posb(hw->pos_emul, hw->pending_emul, hw->size_emul); |
1468 | assert(start < hw->size_emul); | |
fdc8c5f4 VR |
1469 | |
1470 | write_len = MIN(hw->pending_emul, hw->size_emul - start); | |
1471 | ||
1472 | written = hw->pcm_ops->write(hw, hw->buf_emul + start, write_len); | |
1473 | hw->pending_emul -= written; | |
1474 | ||
1475 | if (written < write_len) { | |
1476 | break; | |
1477 | } | |
1478 | } | |
1479 | } | |
1480 | ||
ff095e52 KZ |
1481 | void *audio_generic_get_buffer_out(HWVoiceOut *hw, size_t *size) |
1482 | { | |
1483 | if (unlikely(!hw->buf_emul)) { | |
1d8549ad VR |
1484 | hw->size_emul = hw->samples * hw->info.bytes_per_frame; |
1485 | hw->buf_emul = g_malloc(hw->size_emul); | |
ff095e52 KZ |
1486 | hw->pos_emul = hw->pending_emul = 0; |
1487 | } | |
1488 | ||
1489 | *size = MIN(hw->size_emul - hw->pending_emul, | |
1490 | hw->size_emul - hw->pos_emul); | |
1491 | return hw->buf_emul + hw->pos_emul; | |
1492 | } | |
1493 | ||
fdc8c5f4 | 1494 | size_t audio_generic_put_buffer_out(HWVoiceOut *hw, void *buf, size_t size) |
ff095e52 KZ |
1495 | { |
1496 | assert(buf == hw->buf_emul + hw->pos_emul && | |
1497 | size + hw->pending_emul <= hw->size_emul); | |
1498 | ||
1499 | hw->pending_emul += size; | |
1500 | hw->pos_emul = (hw->pos_emul + size) % hw->size_emul; | |
1501 | ||
1502 | return size; | |
1503 | } | |
1504 | ||
ff095e52 KZ |
1505 | size_t audio_generic_write(HWVoiceOut *hw, void *buf, size_t size) |
1506 | { | |
2d882307 VR |
1507 | size_t total = 0; |
1508 | ||
9833438e VR |
1509 | if (hw->pcm_ops->buffer_get_free) { |
1510 | size_t free = hw->pcm_ops->buffer_get_free(hw); | |
1511 | ||
1512 | size = MIN(size, free); | |
1513 | } | |
1514 | ||
2d882307 VR |
1515 | while (total < size) { |
1516 | size_t dst_size = size - total; | |
1517 | size_t copy_size, proc; | |
1518 | void *dst = hw->pcm_ops->get_buffer_out(hw, &dst_size); | |
ff095e52 | 1519 | |
2d882307 VR |
1520 | if (dst_size == 0) { |
1521 | break; | |
1522 | } | |
1523 | ||
1524 | copy_size = MIN(size - total, dst_size); | |
1525 | if (dst) { | |
1526 | memcpy(dst, (char *)buf + total, copy_size); | |
1527 | } | |
1528 | proc = hw->pcm_ops->put_buffer_out(hw, dst, copy_size); | |
1529 | total += proc; | |
1530 | ||
1531 | if (proc == 0 || proc < copy_size) { | |
1532 | break; | |
1533 | } | |
1534 | } | |
1535 | ||
2d882307 | 1536 | return total; |
ff095e52 KZ |
1537 | } |
1538 | ||
1539 | size_t audio_generic_read(HWVoiceIn *hw, void *buf, size_t size) | |
1540 | { | |
b9896dc5 | 1541 | size_t total = 0; |
ff095e52 | 1542 | |
a2893c83 VR |
1543 | if (hw->pcm_ops->run_buffer_in) { |
1544 | hw->pcm_ops->run_buffer_in(hw); | |
1545 | } | |
1546 | ||
b9896dc5 VR |
1547 | while (total < size) { |
1548 | size_t src_size = size - total; | |
1549 | void *src = hw->pcm_ops->get_buffer_in(hw, &src_size); | |
ff095e52 | 1550 | |
b9896dc5 | 1551 | if (src_size == 0) { |
b9896dc5 VR |
1552 | break; |
1553 | } | |
1554 | ||
1555 | memcpy((char *)buf + total, src, src_size); | |
1556 | hw->pcm_ops->put_buffer_in(hw, src, src_size); | |
1557 | total += src_size; | |
1558 | } | |
1559 | ||
1560 | return total; | |
8d1439b6 | 1561 | } |
ff095e52 | 1562 | |
71830221 KZ |
1563 | static int audio_driver_init(AudioState *s, struct audio_driver *drv, |
1564 | bool msg, Audiodev *dev) | |
85571bc7 | 1565 | { |
71830221 | 1566 | s->drv_opaque = drv->init(dev); |
1d14ffa9 | 1567 | |
c0fe3827 | 1568 | if (s->drv_opaque) { |
ff095e52 KZ |
1569 | if (!drv->pcm_ops->get_buffer_in) { |
1570 | drv->pcm_ops->get_buffer_in = audio_generic_get_buffer_in; | |
1571 | drv->pcm_ops->put_buffer_in = audio_generic_put_buffer_in; | |
1572 | } | |
1573 | if (!drv->pcm_ops->get_buffer_out) { | |
1574 | drv->pcm_ops->get_buffer_out = audio_generic_get_buffer_out; | |
1575 | drv->pcm_ops->put_buffer_out = audio_generic_put_buffer_out; | |
1576 | } | |
1577 | ||
526fb058 KZ |
1578 | audio_init_nb_voices_out(s, drv); |
1579 | audio_init_nb_voices_in(s, drv); | |
c0fe3827 | 1580 | s->drv = drv; |
1d14ffa9 | 1581 | return 0; |
6c6886bd | 1582 | } else { |
fb37ce92 GH |
1583 | if (msg) { |
1584 | dolog("Could not init `%s' audio driver\n", drv->name); | |
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 | { | |
ecd97e95 KZ |
1664 | while (!QTAILQ_EMPTY(&audio_states)) { |
1665 | AudioState *s = QTAILQ_FIRST(&audio_states); | |
1666 | QTAILQ_REMOVE(&audio_states, s, list); | |
1667 | free_audio_state(s); | |
1668 | } | |
85571bc7 FB |
1669 | } |
1670 | ||
da77adba DDAG |
1671 | static bool vmstate_audio_needed(void *opaque) |
1672 | { | |
1673 | /* | |
1674 | * Never needed, this vmstate only exists in case | |
1675 | * an old qemu sends it to us. | |
1676 | */ | |
1677 | return false; | |
1678 | } | |
1679 | ||
d959fce9 JQ |
1680 | static const VMStateDescription vmstate_audio = { |
1681 | .name = "audio", | |
1682 | .version_id = 1, | |
1683 | .minimum_version_id = 1, | |
da77adba | 1684 | .needed = vmstate_audio_needed, |
35d08458 | 1685 | .fields = (VMStateField[]) { |
d959fce9 | 1686 | VMSTATE_END_OF_LIST() |
1d14ffa9 | 1687 | } |
d959fce9 | 1688 | }; |
85571bc7 | 1689 | |
71830221 KZ |
1690 | static void audio_validate_opts(Audiodev *dev, Error **errp); |
1691 | ||
1692 | static AudiodevListEntry *audiodev_find( | |
1693 | AudiodevListHead *head, const char *drvname) | |
1694 | { | |
1695 | AudiodevListEntry *e; | |
1696 | QSIMPLEQ_FOREACH(e, head, next) { | |
1697 | if (strcmp(AudiodevDriver_str(e->dev->driver), drvname) == 0) { | |
1698 | return e; | |
1699 | } | |
1700 | } | |
1701 | ||
1702 | return NULL; | |
1703 | } | |
1704 | ||
ecd97e95 KZ |
1705 | /* |
1706 | * if we have dev, this function was called because of an -audiodev argument => | |
1707 | * initialize a new state with it | |
1708 | * if dev == NULL => legacy implicit initialization, return the already created | |
1709 | * state or create a new one | |
1710 | */ | |
af2041ed | 1711 | static AudioState *audio_init(Audiodev *dev, const char *name) |
85571bc7 | 1712 | { |
ecd97e95 | 1713 | static bool atexit_registered; |
1d14ffa9 | 1714 | size_t i; |
85571bc7 | 1715 | int done = 0; |
71830221 | 1716 | const char *drvname = NULL; |
713a98f8 | 1717 | VMChangeStateEntry *e; |
ecd97e95 | 1718 | AudioState *s; |
d3893a39 | 1719 | struct audio_driver *driver; |
71830221 KZ |
1720 | /* silence gcc warning about uninitialized variable */ |
1721 | AudiodevListHead head = QSIMPLEQ_HEAD_INITIALIZER(head); | |
1d14ffa9 | 1722 | |
f0c4555e GH |
1723 | if (using_spice) { |
1724 | /* | |
1725 | * When using spice allow the spice audio driver being picked | |
1726 | * as default. | |
1727 | * | |
1728 | * Temporary hack. Using audio devices without explicit | |
1729 | * audiodev= property is already deprecated. Same goes for | |
1730 | * the -soundhw switch. Once this support gets finally | |
1731 | * removed we can also drop the concept of a default audio | |
1732 | * backend and this can go away. | |
1733 | */ | |
1734 | driver = audio_driver_lookup("spice"); | |
06c8c375 GH |
1735 | if (driver) { |
1736 | driver->can_be_default = 1; | |
1737 | } | |
f0c4555e GH |
1738 | } |
1739 | ||
71830221 KZ |
1740 | if (dev) { |
1741 | /* -audiodev option */ | |
af2041ed | 1742 | legacy_config = false; |
71830221 | 1743 | drvname = AudiodevDriver_str(dev->driver); |
ecd97e95 | 1744 | } else if (!QTAILQ_EMPTY(&audio_states)) { |
af2041ed | 1745 | if (!legacy_config) { |
4b3b7793 KZ |
1746 | dolog("Device %s: audiodev default parameter is deprecated, please " |
1747 | "specify audiodev=%s\n", name, | |
1748 | QTAILQ_FIRST(&audio_states)->dev->id); | |
af2041ed | 1749 | } |
ecd97e95 | 1750 | return QTAILQ_FIRST(&audio_states); |
71830221 KZ |
1751 | } else { |
1752 | /* legacy implicit initialization */ | |
1753 | head = audio_handle_legacy_opts(); | |
1754 | /* | |
1755 | * In case of legacy initialization, all Audiodevs in the list will have | |
e3a6e0da | 1756 | * the same configuration (except the driver), so it doesn't matter which |
71830221 KZ |
1757 | * one we chose. We need an Audiodev to set up AudioState before we can |
1758 | * init a driver. Also note that dev at this point is still in the | |
1759 | * list. | |
1760 | */ | |
1761 | dev = QSIMPLEQ_FIRST(&head)->dev; | |
1762 | audio_validate_opts(dev, &error_abort); | |
1763 | } | |
ecd97e95 | 1764 | |
b21e2380 | 1765 | s = g_new0(AudioState, 1); |
71830221 KZ |
1766 | s->dev = dev; |
1767 | ||
72cf2d4f BS |
1768 | QLIST_INIT (&s->hw_head_out); |
1769 | QLIST_INIT (&s->hw_head_in); | |
1770 | QLIST_INIT (&s->cap_head); | |
ecd97e95 KZ |
1771 | if (!atexit_registered) { |
1772 | atexit(audio_cleanup); | |
1773 | atexit_registered = true; | |
1774 | } | |
571ec3d6 | 1775 | |
bc72ad67 | 1776 | s->ts = timer_new_ns(QEMU_CLOCK_VIRTUAL, audio_timer, s); |
571ec3d6 | 1777 | |
71830221 KZ |
1778 | s->nb_hw_voices_out = audio_get_pdo_out(dev)->voices; |
1779 | s->nb_hw_voices_in = audio_get_pdo_in(dev)->voices; | |
c0fe3827 | 1780 | |
61ddafbc | 1781 | if (s->nb_hw_voices_out < 1) { |
571ec3d6 | 1782 | dolog ("Bogus number of playback voices %d, setting to 1\n", |
1d14ffa9 FB |
1783 | s->nb_hw_voices_out); |
1784 | s->nb_hw_voices_out = 1; | |
1785 | } | |
1786 | ||
a7b7802b | 1787 | if (s->nb_hw_voices_in < 0) { |
571ec3d6 | 1788 | dolog ("Bogus number of capture voices %d, setting to 0\n", |
1d14ffa9 | 1789 | s->nb_hw_voices_in); |
571ec3d6 | 1790 | s->nb_hw_voices_in = 0; |
1d14ffa9 | 1791 | } |
85571bc7 | 1792 | |
85571bc7 | 1793 | if (drvname) { |
d3893a39 GH |
1794 | driver = audio_driver_lookup(drvname); |
1795 | if (driver) { | |
71830221 | 1796 | done = !audio_driver_init(s, driver, true, dev); |
d3893a39 | 1797 | } else { |
85571bc7 FB |
1798 | dolog ("Unknown audio driver `%s'\n", drvname); |
1799 | } | |
0f957c53 MAL |
1800 | if (!done) { |
1801 | free_audio_state(s); | |
1802 | return NULL; | |
1803 | } | |
71830221 KZ |
1804 | } else { |
1805 | for (i = 0; audio_prio_list[i]; i++) { | |
1806 | AudiodevListEntry *e = audiodev_find(&head, audio_prio_list[i]); | |
d3893a39 | 1807 | driver = audio_driver_lookup(audio_prio_list[i]); |
71830221 KZ |
1808 | |
1809 | if (e && driver) { | |
1810 | s->dev = dev = e->dev; | |
1811 | audio_validate_opts(dev, &error_abort); | |
1812 | done = !audio_driver_init(s, driver, false, dev); | |
1813 | if (done) { | |
1814 | e->dev = NULL; | |
1815 | break; | |
1816 | } | |
1d14ffa9 | 1817 | } |
85571bc7 FB |
1818 | } |
1819 | } | |
71830221 | 1820 | audio_free_audiodev_list(&head); |
85571bc7 | 1821 | |
85571bc7 | 1822 | if (!done) { |
d3893a39 | 1823 | driver = audio_driver_lookup("none"); |
71830221 | 1824 | done = !audio_driver_init(s, driver, false, dev); |
7e274652 MA |
1825 | assert(done); |
1826 | dolog("warning: Using timer based audio emulation\n"); | |
85571bc7 | 1827 | } |
1d14ffa9 | 1828 | |
71830221 KZ |
1829 | if (dev->timer_period <= 0) { |
1830 | s->period_ticks = 1; | |
0d9acba8 | 1831 | } else { |
40ad46d3 | 1832 | s->period_ticks = dev->timer_period * (int64_t)SCALE_US; |
1d14ffa9 | 1833 | } |
0d9acba8 PB |
1834 | |
1835 | e = qemu_add_vm_change_state_handler (audio_vm_change_state_handler, s); | |
1836 | if (!e) { | |
1837 | dolog ("warning: Could not register change state handler\n" | |
1838 | "(Audio can continue looping even after stopping the VM)\n"); | |
1d14ffa9 FB |
1839 | } |
1840 | ||
0f957c53 | 1841 | QTAILQ_INSERT_TAIL(&audio_states, s, list); |
72cf2d4f | 1842 | QLIST_INIT (&s->card_head); |
0be71e32 | 1843 | vmstate_register (NULL, 0, &vmstate_audio, s); |
ecd97e95 | 1844 | return s; |
71830221 KZ |
1845 | } |
1846 | ||
1847 | void audio_free_audiodev_list(AudiodevListHead *head) | |
1848 | { | |
1849 | AudiodevListEntry *e; | |
1850 | while ((e = QSIMPLEQ_FIRST(head))) { | |
1851 | QSIMPLEQ_REMOVE_HEAD(head, next); | |
1852 | qapi_free_Audiodev(e->dev); | |
1853 | g_free(e); | |
1854 | } | |
85571bc7 | 1855 | } |
8ead62cf | 1856 | |
1a7dafce | 1857 | void AUD_register_card (const char *name, QEMUSoundCard *card) |
1858 | { | |
ecd97e95 | 1859 | if (!card->state) { |
af2041ed | 1860 | card->state = audio_init(NULL, name); |
ecd97e95 KZ |
1861 | } |
1862 | ||
7267c094 | 1863 | card->name = g_strdup (name); |
1a7dafce | 1864 | memset (&card->entries, 0, sizeof (card->entries)); |
ecd97e95 | 1865 | QLIST_INSERT_HEAD(&card->state->card_head, card, entries); |
1a7dafce | 1866 | } |
1867 | ||
1868 | void AUD_remove_card (QEMUSoundCard *card) | |
1869 | { | |
72cf2d4f | 1870 | QLIST_REMOVE (card, entries); |
7267c094 | 1871 | g_free (card->name); |
1a7dafce | 1872 | } |
1873 | ||
33940dd3 | 1874 | static struct audio_pcm_ops capture_pcm_ops; |
1a7dafce | 1875 | |
ecd97e95 KZ |
1876 | CaptureVoiceOut *AUD_add_capture( |
1877 | AudioState *s, | |
1ea879e5 | 1878 | struct audsettings *as, |
8ead62cf FB |
1879 | struct audio_capture_ops *ops, |
1880 | void *cb_opaque | |
1881 | ) | |
1882 | { | |
1883 | CaptureVoiceOut *cap; | |
1884 | struct capture_callback *cb; | |
1885 | ||
ecd97e95 | 1886 | if (!s) { |
af2041ed | 1887 | if (!legacy_config) { |
4b3b7793 | 1888 | dolog("Capturing without setting an audiodev is deprecated\n"); |
af2041ed KZ |
1889 | } |
1890 | s = audio_init(NULL, NULL); | |
ecd97e95 KZ |
1891 | } |
1892 | ||
1930616b KZ |
1893 | if (!audio_get_pdo_out(s->dev)->mixing_engine) { |
1894 | dolog("Can't capture with mixeng disabled\n"); | |
1895 | return NULL; | |
1896 | } | |
1897 | ||
ec36b695 | 1898 | if (audio_validate_settings (as)) { |
8ead62cf FB |
1899 | dolog ("Invalid settings were passed when trying to add capture\n"); |
1900 | audio_print_settings (as); | |
e8d85444 | 1901 | return NULL; |
8ead62cf FB |
1902 | } |
1903 | ||
e8d85444 | 1904 | cb = g_malloc0(sizeof(*cb)); |
8ead62cf FB |
1905 | cb->ops = *ops; |
1906 | cb->opaque = cb_opaque; | |
1907 | ||
526fb058 | 1908 | cap = audio_pcm_capture_find_specific(s, as); |
8ead62cf | 1909 | if (cap) { |
72cf2d4f | 1910 | QLIST_INSERT_HEAD (&cap->cb_head, cb, entries); |
ec36b695 | 1911 | return cap; |
6c6886bd | 1912 | } else { |
8ead62cf FB |
1913 | HWVoiceOut *hw; |
1914 | CaptureVoiceOut *cap; | |
1915 | ||
e8d85444 | 1916 | cap = g_malloc0(sizeof(*cap)); |
8ead62cf FB |
1917 | |
1918 | hw = &cap->hw; | |
526fb058 | 1919 | hw->s = s; |
33940dd3 | 1920 | hw->pcm_ops = &capture_pcm_ops; |
72cf2d4f BS |
1921 | QLIST_INIT (&hw->sw_head); |
1922 | QLIST_INIT (&cap->cb_head); | |
8ead62cf FB |
1923 | |
1924 | /* XXX find a more elegant way */ | |
1925 | hw->samples = 4096 * 4; | |
dc88e38f | 1926 | audio_pcm_hw_alloc_resources_out(hw); |
8ead62cf | 1927 | |
d929eba5 | 1928 | audio_pcm_init_info (&hw->info, as); |
8ead62cf | 1929 | |
2b9cce8c | 1930 | cap->buf = g_malloc0_n(hw->mix_buf->size, hw->info.bytes_per_frame); |
8ead62cf | 1931 | |
ed2a4a79 KZ |
1932 | if (hw->info.is_float) { |
1933 | hw->clip = mixeng_clip_float[hw->info.nchannels == 2]; | |
1934 | } else { | |
1935 | hw->clip = mixeng_clip | |
1936 | [hw->info.nchannels == 2] | |
1937 | [hw->info.is_signed] | |
1938 | [hw->info.swap_endianness] | |
1939 | [audio_bits_to_index(hw->info.bits)]; | |
1940 | } | |
8ead62cf | 1941 | |
72cf2d4f BS |
1942 | QLIST_INSERT_HEAD (&s->cap_head, cap, entries); |
1943 | QLIST_INSERT_HEAD (&cap->cb_head, cb, entries); | |
8ead62cf | 1944 | |
526fb058 | 1945 | QLIST_FOREACH(hw, &s->hw_head_out, entries) { |
1a7dafce | 1946 | audio_attach_capture (hw); |
8ead62cf | 1947 | } |
ec36b695 | 1948 | return cap; |
ec36b695 FB |
1949 | } |
1950 | } | |
1951 | ||
1952 | void AUD_del_capture (CaptureVoiceOut *cap, void *cb_opaque) | |
1953 | { | |
1954 | struct capture_callback *cb; | |
1955 | ||
1956 | for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) { | |
1957 | if (cb->opaque == cb_opaque) { | |
1958 | cb->ops.destroy (cb_opaque); | |
72cf2d4f | 1959 | QLIST_REMOVE (cb, entries); |
7267c094 | 1960 | g_free (cb); |
ec36b695 FB |
1961 | |
1962 | if (!cap->cb_head.lh_first) { | |
1963 | SWVoiceOut *sw = cap->hw.sw_head.lh_first, *sw1; | |
a3c25997 | 1964 | |
ec36b695 | 1965 | while (sw) { |
a3c25997 | 1966 | SWVoiceCap *sc = (SWVoiceCap *) sw; |
ec36b695 FB |
1967 | #ifdef DEBUG_CAPTURE |
1968 | dolog ("freeing %s\n", sw->name); | |
1969 | #endif | |
a3c25997 | 1970 | |
ec36b695 FB |
1971 | sw1 = sw->entries.le_next; |
1972 | if (sw->rate) { | |
1973 | st_rate_stop (sw->rate); | |
1974 | sw->rate = NULL; | |
1975 | } | |
72cf2d4f BS |
1976 | QLIST_REMOVE (sw, entries); |
1977 | QLIST_REMOVE (sc, entries); | |
7267c094 | 1978 | g_free (sc); |
ec36b695 FB |
1979 | sw = sw1; |
1980 | } | |
72cf2d4f | 1981 | QLIST_REMOVE (cap, entries); |
3268a845 GH |
1982 | g_free (cap->hw.mix_buf); |
1983 | g_free (cap->buf); | |
7267c094 | 1984 | g_free (cap); |
ec36b695 FB |
1985 | } |
1986 | return; | |
1987 | } | |
8ead62cf FB |
1988 | } |
1989 | } | |
683efdcb AZ |
1990 | |
1991 | void AUD_set_volume_out (SWVoiceOut *sw, int mute, uint8_t lvol, uint8_t rvol) | |
cecc1e79 KZ |
1992 | { |
1993 | Volume vol = { .mute = mute, .channels = 2, .vol = { lvol, rvol } }; | |
1994 | audio_set_volume_out(sw, &vol); | |
1995 | } | |
1996 | ||
1997 | void audio_set_volume_out(SWVoiceOut *sw, Volume *vol) | |
683efdcb AZ |
1998 | { |
1999 | if (sw) { | |
6c95ab94 MAL |
2000 | HWVoiceOut *hw = sw->hw; |
2001 | ||
cecc1e79 KZ |
2002 | sw->vol.mute = vol->mute; |
2003 | sw->vol.l = nominal_volume.l * vol->vol[0] / 255; | |
2004 | sw->vol.r = nominal_volume.l * vol->vol[vol->channels > 1 ? 1 : 0] / | |
2005 | 255; | |
6c95ab94 | 2006 | |
571a8c52 | 2007 | if (hw->pcm_ops->volume_out) { |
cecc1e79 | 2008 | hw->pcm_ops->volume_out(hw, vol); |
6c95ab94 | 2009 | } |
683efdcb AZ |
2010 | } |
2011 | } | |
2012 | ||
2013 | void AUD_set_volume_in (SWVoiceIn *sw, int mute, uint8_t lvol, uint8_t rvol) | |
cecc1e79 KZ |
2014 | { |
2015 | Volume vol = { .mute = mute, .channels = 2, .vol = { lvol, rvol } }; | |
2016 | audio_set_volume_in(sw, &vol); | |
2017 | } | |
2018 | ||
2019 | void audio_set_volume_in(SWVoiceIn *sw, Volume *vol) | |
683efdcb AZ |
2020 | { |
2021 | if (sw) { | |
6c95ab94 MAL |
2022 | HWVoiceIn *hw = sw->hw; |
2023 | ||
cecc1e79 KZ |
2024 | sw->vol.mute = vol->mute; |
2025 | sw->vol.l = nominal_volume.l * vol->vol[0] / 255; | |
2026 | sw->vol.r = nominal_volume.r * vol->vol[vol->channels > 1 ? 1 : 0] / | |
2027 | 255; | |
6c95ab94 | 2028 | |
571a8c52 | 2029 | if (hw->pcm_ops->volume_in) { |
cecc1e79 | 2030 | hw->pcm_ops->volume_in(hw, vol); |
6c95ab94 | 2031 | } |
683efdcb AZ |
2032 | } |
2033 | } | |
71830221 KZ |
2034 | |
2035 | void audio_create_pdos(Audiodev *dev) | |
2036 | { | |
2037 | switch (dev->driver) { | |
2038 | #define CASE(DRIVER, driver, pdo_name) \ | |
2039 | case AUDIODEV_DRIVER_##DRIVER: \ | |
ceb19c8f | 2040 | if (!dev->u.driver.in) { \ |
71830221 KZ |
2041 | dev->u.driver.in = g_malloc0( \ |
2042 | sizeof(Audiodev##pdo_name##PerDirectionOptions)); \ | |
71830221 | 2043 | } \ |
ceb19c8f | 2044 | if (!dev->u.driver.out) { \ |
71830221 | 2045 | dev->u.driver.out = g_malloc0( \ |
725662d6 | 2046 | sizeof(Audiodev##pdo_name##PerDirectionOptions)); \ |
71830221 KZ |
2047 | } \ |
2048 | break | |
2049 | ||
2050 | CASE(NONE, none, ); | |
2051 | CASE(ALSA, alsa, Alsa); | |
2052 | CASE(COREAUDIO, coreaudio, Coreaudio); | |
739362d4 | 2053 | CASE(DBUS, dbus, ); |
71830221 | 2054 | CASE(DSOUND, dsound, ); |
2e445703 | 2055 | CASE(JACK, jack, Jack); |
71830221 KZ |
2056 | CASE(OSS, oss, Oss); |
2057 | CASE(PA, pa, Pa); | |
5a0926c2 | 2058 | CASE(SDL, sdl, Sdl); |
663df1cc | 2059 | CASE(SNDIO, sndio, ); |
71830221 KZ |
2060 | CASE(SPICE, spice, ); |
2061 | CASE(WAV, wav, ); | |
2062 | ||
2063 | case AUDIODEV_DRIVER__MAX: | |
2064 | abort(); | |
2065 | }; | |
2066 | } | |
2067 | ||
2068 | static void audio_validate_per_direction_opts( | |
2069 | AudiodevPerDirectionOptions *pdo, Error **errp) | |
2070 | { | |
1930616b KZ |
2071 | if (!pdo->has_mixing_engine) { |
2072 | pdo->has_mixing_engine = true; | |
2073 | pdo->mixing_engine = true; | |
2074 | } | |
71830221 KZ |
2075 | if (!pdo->has_fixed_settings) { |
2076 | pdo->has_fixed_settings = true; | |
1930616b | 2077 | pdo->fixed_settings = pdo->mixing_engine; |
71830221 KZ |
2078 | } |
2079 | if (!pdo->fixed_settings && | |
2080 | (pdo->has_frequency || pdo->has_channels || pdo->has_format)) { | |
2081 | error_setg(errp, | |
2082 | "You can't use frequency, channels or format with fixed-settings=off"); | |
2083 | return; | |
2084 | } | |
1930616b KZ |
2085 | if (!pdo->mixing_engine && pdo->fixed_settings) { |
2086 | error_setg(errp, "You can't use fixed-settings without mixeng"); | |
2087 | return; | |
2088 | } | |
71830221 KZ |
2089 | |
2090 | if (!pdo->has_frequency) { | |
2091 | pdo->has_frequency = true; | |
2092 | pdo->frequency = 44100; | |
2093 | } | |
2094 | if (!pdo->has_channels) { | |
2095 | pdo->has_channels = true; | |
2096 | pdo->channels = 2; | |
2097 | } | |
2098 | if (!pdo->has_voices) { | |
2099 | pdo->has_voices = true; | |
1930616b | 2100 | pdo->voices = pdo->mixing_engine ? 1 : INT_MAX; |
71830221 KZ |
2101 | } |
2102 | if (!pdo->has_format) { | |
2103 | pdo->has_format = true; | |
2104 | pdo->format = AUDIO_FORMAT_S16; | |
2105 | } | |
2106 | } | |
2107 | ||
2108 | static void audio_validate_opts(Audiodev *dev, Error **errp) | |
2109 | { | |
2110 | Error *err = NULL; | |
2111 | ||
2112 | audio_create_pdos(dev); | |
2113 | ||
2114 | audio_validate_per_direction_opts(audio_get_pdo_in(dev), &err); | |
2115 | if (err) { | |
2116 | error_propagate(errp, err); | |
2117 | return; | |
2118 | } | |
2119 | ||
2120 | audio_validate_per_direction_opts(audio_get_pdo_out(dev), &err); | |
2121 | if (err) { | |
2122 | error_propagate(errp, err); | |
2123 | return; | |
2124 | } | |
2125 | ||
2126 | if (!dev->has_timer_period) { | |
2127 | dev->has_timer_period = true; | |
2128 | dev->timer_period = 10000; /* 100Hz -> 10ms */ | |
2129 | } | |
2130 | } | |
2131 | ||
5e03b6da CF |
2132 | void audio_help(void) |
2133 | { | |
2134 | int i; | |
2135 | ||
2136 | printf("Available audio drivers:\n"); | |
2137 | ||
2138 | for (i = 0; i < AUDIODEV_DRIVER__MAX; i++) { | |
2139 | audio_driver *driver = audio_driver_lookup(AudiodevDriver_str(i)); | |
2140 | if (driver) { | |
2141 | printf("%s\n", driver->name); | |
2142 | } | |
2143 | } | |
2144 | } | |
2145 | ||
71830221 KZ |
2146 | void audio_parse_option(const char *opt) |
2147 | { | |
71830221 KZ |
2148 | Audiodev *dev = NULL; |
2149 | ||
5e03b6da CF |
2150 | if (is_help_option(opt)) { |
2151 | audio_help(); | |
2152 | exit(EXIT_SUCCESS); | |
2153 | } | |
71830221 KZ |
2154 | Visitor *v = qobject_input_visitor_new_str(opt, "driver", &error_fatal); |
2155 | visit_type_Audiodev(v, NULL, &dev, &error_fatal); | |
2156 | visit_free(v); | |
2157 | ||
039a6837 PB |
2158 | audio_define(dev); |
2159 | } | |
2160 | ||
2161 | void audio_define(Audiodev *dev) | |
2162 | { | |
2163 | AudiodevListEntry *e; | |
2164 | ||
71830221 KZ |
2165 | audio_validate_opts(dev, &error_fatal); |
2166 | ||
b21e2380 | 2167 | e = g_new0(AudiodevListEntry, 1); |
71830221 KZ |
2168 | e->dev = dev; |
2169 | QSIMPLEQ_INSERT_TAIL(&audiodevs, e, next); | |
2170 | } | |
2171 | ||
0f957c53 | 2172 | bool audio_init_audiodevs(void) |
71830221 KZ |
2173 | { |
2174 | AudiodevListEntry *e; | |
2175 | ||
2176 | QSIMPLEQ_FOREACH(e, &audiodevs, next) { | |
0f957c53 MAL |
2177 | if (!audio_init(e->dev, NULL)) { |
2178 | return false; | |
2179 | } | |
71830221 | 2180 | } |
0f957c53 MAL |
2181 | |
2182 | return true; | |
71830221 KZ |
2183 | } |
2184 | ||
2185 | audsettings audiodev_to_audsettings(AudiodevPerDirectionOptions *pdo) | |
2186 | { | |
2187 | return (audsettings) { | |
2188 | .freq = pdo->frequency, | |
2189 | .nchannels = pdo->channels, | |
2190 | .fmt = pdo->format, | |
2191 | .endianness = AUDIO_HOST_ENDIANNESS, | |
2192 | }; | |
2193 | } | |
2194 | ||
2195 | int audioformat_bytes_per_sample(AudioFormat fmt) | |
2196 | { | |
2197 | switch (fmt) { | |
2198 | case AUDIO_FORMAT_U8: | |
2199 | case AUDIO_FORMAT_S8: | |
2200 | return 1; | |
2201 | ||
2202 | case AUDIO_FORMAT_U16: | |
2203 | case AUDIO_FORMAT_S16: | |
2204 | return 2; | |
2205 | ||
2206 | case AUDIO_FORMAT_U32: | |
2207 | case AUDIO_FORMAT_S32: | |
ed2a4a79 | 2208 | case AUDIO_FORMAT_F32: |
71830221 KZ |
2209 | return 4; |
2210 | ||
2211 | case AUDIO_FORMAT__MAX: | |
2212 | ; | |
2213 | } | |
2214 | abort(); | |
2215 | } | |
2216 | ||
2217 | ||
2218 | /* frames = freq * usec / 1e6 */ | |
2219 | int audio_buffer_frames(AudiodevPerDirectionOptions *pdo, | |
2220 | audsettings *as, int def_usecs) | |
2221 | { | |
2222 | uint64_t usecs = pdo->has_buffer_length ? pdo->buffer_length : def_usecs; | |
2223 | return (as->freq * usecs + 500000) / 1000000; | |
2224 | } | |
2225 | ||
2226 | /* samples = channels * frames = channels * freq * usec / 1e6 */ | |
2227 | int audio_buffer_samples(AudiodevPerDirectionOptions *pdo, | |
2228 | audsettings *as, int def_usecs) | |
2229 | { | |
2230 | return as->nchannels * audio_buffer_frames(pdo, as, def_usecs); | |
2231 | } | |
2232 | ||
2233 | /* | |
2234 | * bytes = bytes_per_sample * samples = | |
2235 | * bytes_per_sample * channels * freq * usec / 1e6 | |
2236 | */ | |
2237 | int audio_buffer_bytes(AudiodevPerDirectionOptions *pdo, | |
2238 | audsettings *as, int def_usecs) | |
2239 | { | |
2240 | return audio_buffer_samples(pdo, as, def_usecs) * | |
2241 | audioformat_bytes_per_sample(as->fmt); | |
2242 | } | |
ecd97e95 KZ |
2243 | |
2244 | AudioState *audio_state_by_name(const char *name) | |
2245 | { | |
2246 | AudioState *s; | |
2247 | QTAILQ_FOREACH(s, &audio_states, list) { | |
2248 | assert(s->dev); | |
2249 | if (strcmp(name, s->dev->id) == 0) { | |
2250 | return s; | |
2251 | } | |
2252 | } | |
2253 | return NULL; | |
2254 | } | |
2255 | ||
2256 | const char *audio_get_id(QEMUSoundCard *card) | |
2257 | { | |
2258 | if (card->state) { | |
2259 | assert(card->state->dev); | |
2260 | return card->state->dev->id; | |
2261 | } else { | |
2262 | return ""; | |
2263 | } | |
2264 | } | |
857271a2 | 2265 | |
37a54d05 VR |
2266 | const char *audio_application_name(void) |
2267 | { | |
2268 | const char *vm_name; | |
2269 | ||
2270 | vm_name = qemu_get_vm_name(); | |
2271 | return vm_name ? vm_name : "qemu"; | |
2272 | } | |
2273 | ||
857271a2 KZ |
2274 | void audio_rate_start(RateCtl *rate) |
2275 | { | |
2276 | memset(rate, 0, sizeof(RateCtl)); | |
2277 | rate->start_ticks = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); | |
2278 | } | |
2279 | ||
02732641 | 2280 | size_t audio_rate_peek_bytes(RateCtl *rate, struct audio_pcm_info *info) |
857271a2 KZ |
2281 | { |
2282 | int64_t now; | |
2283 | int64_t ticks; | |
2284 | int64_t bytes; | |
02732641 | 2285 | int64_t frames; |
857271a2 KZ |
2286 | |
2287 | now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); | |
2288 | ticks = now - rate->start_ticks; | |
2289 | bytes = muldiv64(ticks, info->bytes_per_second, NANOSECONDS_PER_SECOND); | |
02732641 VR |
2290 | frames = (bytes - rate->bytes_sent) / info->bytes_per_frame; |
2291 | if (frames < 0 || frames > 65536) { | |
2292 | AUD_log(NULL, "Resetting rate control (%" PRId64 " frames)\n", frames); | |
857271a2 | 2293 | audio_rate_start(rate); |
02732641 | 2294 | frames = 0; |
857271a2 KZ |
2295 | } |
2296 | ||
02732641 VR |
2297 | return frames * info->bytes_per_frame; |
2298 | } | |
2299 | ||
2300 | void audio_rate_add_bytes(RateCtl *rate, size_t bytes_used) | |
2301 | { | |
2302 | rate->bytes_sent += bytes_used; | |
2303 | } | |
2304 | ||
613fe02b | 2305 | size_t audio_rate_get_bytes(RateCtl *rate, struct audio_pcm_info *info, |
02732641 VR |
2306 | size_t bytes_avail) |
2307 | { | |
2308 | size_t bytes; | |
2309 | ||
2310 | bytes = audio_rate_peek_bytes(rate, info); | |
2311 | bytes = MIN(bytes, bytes_avail); | |
2312 | audio_rate_add_bytes(rate, bytes); | |
2313 | ||
2314 | return bytes; | |
857271a2 | 2315 | } |
637d1809 DB |
2316 | |
2317 | AudiodevList *qmp_query_audiodevs(Error **errp) | |
2318 | { | |
2319 | AudiodevList *ret = NULL; | |
2320 | AudiodevListEntry *e; | |
2321 | QSIMPLEQ_FOREACH(e, &audiodevs, next) { | |
2322 | QAPI_LIST_PREPEND(ret, QAPI_CLONE(Audiodev, e->dev)); | |
2323 | } | |
2324 | return ret; | |
2325 | } |