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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 | */ | |
87ecb68b PB |
24 | #include "hw/hw.h" |
25 | #include "audio.h" | |
26 | #include "console.h" | |
27 | #include "qemu-timer.h" | |
28 | #include "sysemu.h" | |
85571bc7 | 29 | |
1d14ffa9 FB |
30 | #define AUDIO_CAP "audio" |
31 | #include "audio_int.h" | |
85571bc7 | 32 | |
1d14ffa9 FB |
33 | /* #define DEBUG_PLIVE */ |
34 | /* #define DEBUG_LIVE */ | |
35 | /* #define DEBUG_OUT */ | |
8ead62cf | 36 | /* #define DEBUG_CAPTURE */ |
85571bc7 | 37 | |
c0fe3827 FB |
38 | #define SW_NAME(sw) (sw)->name ? (sw)->name : "unknown" |
39 | ||
1d14ffa9 | 40 | static struct audio_driver *drvtab[] = { |
0c58ac1c | 41 | AUDIO_DRIVERS |
1d14ffa9 FB |
42 | &no_audio_driver, |
43 | &wav_audio_driver | |
44 | }; | |
85571bc7 | 45 | |
c0fe3827 FB |
46 | struct fixed_settings { |
47 | int enabled; | |
48 | int nb_voices; | |
49 | int greedy; | |
50 | audsettings_t settings; | |
51 | }; | |
52 | ||
53 | static struct { | |
54 | struct fixed_settings fixed_out; | |
55 | struct fixed_settings fixed_in; | |
56 | union { | |
57 | int hz; | |
58 | int64_t ticks; | |
59 | } period; | |
60 | int plive; | |
541e0844 | 61 | int log_to_monitor; |
c0fe3827 FB |
62 | } conf = { |
63 | { /* DAC fixed settings */ | |
64 | 1, /* enabled */ | |
65 | 1, /* nb_voices */ | |
66 | 1, /* greedy */ | |
67 | { | |
68 | 44100, /* freq */ | |
69 | 2, /* nchannels */ | |
f941aa25 TS |
70 | AUD_FMT_S16, /* fmt */ |
71 | AUDIO_HOST_ENDIANNESS | |
c0fe3827 FB |
72 | } |
73 | }, | |
74 | ||
75 | { /* ADC fixed settings */ | |
76 | 1, /* enabled */ | |
77 | 1, /* nb_voices */ | |
78 | 1, /* greedy */ | |
79 | { | |
80 | 44100, /* freq */ | |
81 | 2, /* nchannels */ | |
f941aa25 TS |
82 | AUD_FMT_S16, /* fmt */ |
83 | AUDIO_HOST_ENDIANNESS | |
c0fe3827 FB |
84 | } |
85 | }, | |
86 | ||
1d14ffa9 | 87 | { 0 }, /* period */ |
541e0844 | 88 | 0, /* plive */ |
571ec3d6 | 89 | 0 /* log_to_monitor */ |
1d14ffa9 FB |
90 | }; |
91 | ||
c0fe3827 FB |
92 | static AudioState glob_audio_state; |
93 | ||
1d14ffa9 FB |
94 | volume_t nominal_volume = { |
95 | 0, | |
96 | #ifdef FLOAT_MIXENG | |
97 | 1.0, | |
98 | 1.0 | |
99 | #else | |
683efdcb AZ |
100 | 1ULL << 32, |
101 | 1ULL << 32 | |
1d14ffa9 | 102 | #endif |
85571bc7 FB |
103 | }; |
104 | ||
105 | /* http://www.df.lth.se/~john_e/gems/gem002d.html */ | |
106 | /* http://www.multi-platforms.com/Tips/PopCount.htm */ | |
107 | uint32_t popcount (uint32_t u) | |
108 | { | |
109 | u = ((u&0x55555555) + ((u>>1)&0x55555555)); | |
110 | u = ((u&0x33333333) + ((u>>2)&0x33333333)); | |
111 | u = ((u&0x0f0f0f0f) + ((u>>4)&0x0f0f0f0f)); | |
112 | u = ((u&0x00ff00ff) + ((u>>8)&0x00ff00ff)); | |
113 | u = ( u&0x0000ffff) + (u>>16); | |
114 | return u; | |
115 | } | |
116 | ||
117 | inline uint32_t lsbindex (uint32_t u) | |
118 | { | |
119 | return popcount ((u&-u)-1); | |
120 | } | |
121 | ||
1d14ffa9 FB |
122 | #ifdef AUDIO_IS_FLAWLESS_AND_NO_CHECKS_ARE_REQURIED |
123 | #error No its not | |
124 | #else | |
125 | int audio_bug (const char *funcname, int cond) | |
85571bc7 | 126 | { |
1d14ffa9 FB |
127 | if (cond) { |
128 | static int shown; | |
129 | ||
8ead62cf | 130 | AUD_log (NULL, "A bug was just triggered in %s\n", funcname); |
1d14ffa9 FB |
131 | if (!shown) { |
132 | shown = 1; | |
133 | AUD_log (NULL, "Save all your work and restart without audio\n"); | |
134 | AUD_log (NULL, "Please send bug report to malc@pulsesoft.com\n"); | |
135 | AUD_log (NULL, "I am sorry\n"); | |
136 | } | |
137 | AUD_log (NULL, "Context:\n"); | |
138 | ||
139 | #if defined AUDIO_BREAKPOINT_ON_BUG | |
140 | # if defined HOST_I386 | |
141 | # if defined __GNUC__ | |
142 | __asm__ ("int3"); | |
143 | # elif defined _MSC_VER | |
144 | _asm _emit 0xcc; | |
145 | # else | |
146 | abort (); | |
147 | # endif | |
148 | # else | |
149 | abort (); | |
150 | # endif | |
151 | #endif | |
85571bc7 FB |
152 | } |
153 | ||
1d14ffa9 | 154 | return cond; |
85571bc7 | 155 | } |
1d14ffa9 | 156 | #endif |
85571bc7 | 157 | |
f941aa25 TS |
158 | static inline int audio_bits_to_index (int bits) |
159 | { | |
160 | switch (bits) { | |
161 | case 8: | |
162 | return 0; | |
163 | ||
164 | case 16: | |
165 | return 1; | |
166 | ||
167 | case 32: | |
168 | return 2; | |
169 | ||
170 | default: | |
171 | audio_bug ("bits_to_index", 1); | |
172 | AUD_log (NULL, "invalid bits %d\n", bits); | |
173 | return 0; | |
174 | } | |
175 | } | |
176 | ||
c0fe3827 FB |
177 | void *audio_calloc (const char *funcname, int nmemb, size_t size) |
178 | { | |
179 | int cond; | |
180 | size_t len; | |
181 | ||
182 | len = nmemb * size; | |
183 | cond = !nmemb || !size; | |
184 | cond |= nmemb < 0; | |
185 | cond |= len < size; | |
186 | ||
187 | if (audio_bug ("audio_calloc", cond)) { | |
188 | AUD_log (NULL, "%s passed invalid arguments to audio_calloc\n", | |
189 | funcname); | |
541e0844 | 190 | AUD_log (NULL, "nmemb=%d size=%zu (len=%zu)\n", nmemb, size, len); |
c0fe3827 FB |
191 | return NULL; |
192 | } | |
193 | ||
194 | return qemu_mallocz (len); | |
195 | } | |
196 | ||
1d14ffa9 | 197 | static char *audio_alloc_prefix (const char *s) |
85571bc7 | 198 | { |
1d14ffa9 FB |
199 | const char qemu_prefix[] = "QEMU_"; |
200 | size_t len; | |
201 | char *r; | |
85571bc7 | 202 | |
1d14ffa9 FB |
203 | if (!s) { |
204 | return NULL; | |
205 | } | |
85571bc7 | 206 | |
1d14ffa9 FB |
207 | len = strlen (s); |
208 | r = qemu_malloc (len + sizeof (qemu_prefix)); | |
85571bc7 | 209 | |
1d14ffa9 FB |
210 | if (r) { |
211 | size_t i; | |
212 | char *u = r + sizeof (qemu_prefix) - 1; | |
85571bc7 | 213 | |
1d14ffa9 FB |
214 | strcpy (r, qemu_prefix); |
215 | strcat (r, s); | |
216 | ||
217 | for (i = 0; i < len; ++i) { | |
218 | u[i] = toupper (u[i]); | |
219 | } | |
85571bc7 | 220 | } |
1d14ffa9 | 221 | return r; |
85571bc7 FB |
222 | } |
223 | ||
9596ebb7 | 224 | static const char *audio_audfmt_to_string (audfmt_e fmt) |
85571bc7 | 225 | { |
1d14ffa9 FB |
226 | switch (fmt) { |
227 | case AUD_FMT_U8: | |
228 | return "U8"; | |
85571bc7 | 229 | |
1d14ffa9 FB |
230 | case AUD_FMT_U16: |
231 | return "U16"; | |
85571bc7 | 232 | |
85571bc7 | 233 | case AUD_FMT_S8: |
1d14ffa9 | 234 | return "S8"; |
85571bc7 FB |
235 | |
236 | case AUD_FMT_S16: | |
1d14ffa9 | 237 | return "S16"; |
f941aa25 TS |
238 | |
239 | case AUD_FMT_U32: | |
240 | return "U32"; | |
241 | ||
242 | case AUD_FMT_S32: | |
243 | return "S32"; | |
85571bc7 FB |
244 | } |
245 | ||
1d14ffa9 FB |
246 | dolog ("Bogus audfmt %d returning S16\n", fmt); |
247 | return "S16"; | |
85571bc7 FB |
248 | } |
249 | ||
9596ebb7 PB |
250 | static audfmt_e audio_string_to_audfmt (const char *s, audfmt_e defval, |
251 | int *defaultp) | |
85571bc7 | 252 | { |
1d14ffa9 FB |
253 | if (!strcasecmp (s, "u8")) { |
254 | *defaultp = 0; | |
255 | return AUD_FMT_U8; | |
256 | } | |
257 | else if (!strcasecmp (s, "u16")) { | |
258 | *defaultp = 0; | |
259 | return AUD_FMT_U16; | |
260 | } | |
f941aa25 TS |
261 | else if (!strcasecmp (s, "u32")) { |
262 | *defaultp = 0; | |
263 | return AUD_FMT_U32; | |
264 | } | |
1d14ffa9 FB |
265 | else if (!strcasecmp (s, "s8")) { |
266 | *defaultp = 0; | |
267 | return AUD_FMT_S8; | |
268 | } | |
269 | else if (!strcasecmp (s, "s16")) { | |
270 | *defaultp = 0; | |
271 | return AUD_FMT_S16; | |
272 | } | |
f941aa25 TS |
273 | else if (!strcasecmp (s, "s32")) { |
274 | *defaultp = 0; | |
275 | return AUD_FMT_S32; | |
276 | } | |
1d14ffa9 FB |
277 | else { |
278 | dolog ("Bogus audio format `%s' using %s\n", | |
279 | s, audio_audfmt_to_string (defval)); | |
280 | *defaultp = 1; | |
281 | return defval; | |
282 | } | |
85571bc7 FB |
283 | } |
284 | ||
1d14ffa9 FB |
285 | static audfmt_e audio_get_conf_fmt (const char *envname, |
286 | audfmt_e defval, | |
287 | int *defaultp) | |
85571bc7 | 288 | { |
1d14ffa9 FB |
289 | const char *var = getenv (envname); |
290 | if (!var) { | |
291 | *defaultp = 1; | |
292 | return defval; | |
85571bc7 | 293 | } |
1d14ffa9 | 294 | return audio_string_to_audfmt (var, defval, defaultp); |
85571bc7 FB |
295 | } |
296 | ||
1d14ffa9 | 297 | static int audio_get_conf_int (const char *key, int defval, int *defaultp) |
85571bc7 | 298 | { |
1d14ffa9 FB |
299 | int val; |
300 | char *strval; | |
85571bc7 | 301 | |
1d14ffa9 FB |
302 | strval = getenv (key); |
303 | if (strval) { | |
304 | *defaultp = 0; | |
305 | val = atoi (strval); | |
306 | return val; | |
307 | } | |
308 | else { | |
309 | *defaultp = 1; | |
310 | return defval; | |
311 | } | |
85571bc7 FB |
312 | } |
313 | ||
1d14ffa9 FB |
314 | static const char *audio_get_conf_str (const char *key, |
315 | const char *defval, | |
316 | int *defaultp) | |
85571bc7 | 317 | { |
1d14ffa9 FB |
318 | const char *val = getenv (key); |
319 | if (!val) { | |
320 | *defaultp = 1; | |
321 | return defval; | |
322 | } | |
323 | else { | |
324 | *defaultp = 0; | |
325 | return val; | |
85571bc7 | 326 | } |
85571bc7 FB |
327 | } |
328 | ||
541e0844 | 329 | void AUD_vlog (const char *cap, const char *fmt, va_list ap) |
85571bc7 | 330 | { |
541e0844 FB |
331 | if (conf.log_to_monitor) { |
332 | if (cap) { | |
333 | term_printf ("%s: ", cap); | |
334 | } | |
335 | ||
336 | term_vprintf (fmt, ap); | |
337 | } | |
338 | else { | |
339 | if (cap) { | |
340 | fprintf (stderr, "%s: ", cap); | |
341 | } | |
342 | ||
343 | vfprintf (stderr, fmt, ap); | |
85571bc7 | 344 | } |
85571bc7 FB |
345 | } |
346 | ||
541e0844 | 347 | void AUD_log (const char *cap, const char *fmt, ...) |
85571bc7 | 348 | { |
541e0844 FB |
349 | va_list ap; |
350 | ||
351 | va_start (ap, fmt); | |
352 | AUD_vlog (cap, fmt, ap); | |
353 | va_end (ap); | |
85571bc7 FB |
354 | } |
355 | ||
1d14ffa9 FB |
356 | static void audio_print_options (const char *prefix, |
357 | struct audio_option *opt) | |
85571bc7 | 358 | { |
1d14ffa9 FB |
359 | char *uprefix; |
360 | ||
361 | if (!prefix) { | |
362 | dolog ("No prefix specified\n"); | |
363 | return; | |
364 | } | |
365 | ||
366 | if (!opt) { | |
367 | dolog ("No options\n"); | |
85571bc7 | 368 | return; |
1d14ffa9 | 369 | } |
85571bc7 | 370 | |
1d14ffa9 | 371 | uprefix = audio_alloc_prefix (prefix); |
85571bc7 | 372 | |
1d14ffa9 FB |
373 | for (; opt->name; opt++) { |
374 | const char *state = "default"; | |
375 | printf (" %s_%s: ", uprefix, opt->name); | |
85571bc7 | 376 | |
fe8f096b | 377 | if (opt->overriddenp && *opt->overriddenp) { |
1d14ffa9 FB |
378 | state = "current"; |
379 | } | |
85571bc7 | 380 | |
1d14ffa9 FB |
381 | switch (opt->tag) { |
382 | case AUD_OPT_BOOL: | |
383 | { | |
384 | int *intp = opt->valp; | |
385 | printf ("boolean, %s = %d\n", state, *intp ? 1 : 0); | |
386 | } | |
387 | break; | |
388 | ||
389 | case AUD_OPT_INT: | |
390 | { | |
391 | int *intp = opt->valp; | |
392 | printf ("integer, %s = %d\n", state, *intp); | |
393 | } | |
394 | break; | |
395 | ||
396 | case AUD_OPT_FMT: | |
397 | { | |
398 | audfmt_e *fmtp = opt->valp; | |
399 | printf ( | |
ca9cc28c | 400 | "format, %s = %s, (one of: U8 S8 U16 S16 U32 S32)\n", |
1d14ffa9 FB |
401 | state, |
402 | audio_audfmt_to_string (*fmtp) | |
403 | ); | |
404 | } | |
405 | break; | |
406 | ||
407 | case AUD_OPT_STR: | |
408 | { | |
409 | const char **strp = opt->valp; | |
410 | printf ("string, %s = %s\n", | |
411 | state, | |
412 | *strp ? *strp : "(not set)"); | |
85571bc7 | 413 | } |
1d14ffa9 FB |
414 | break; |
415 | ||
416 | default: | |
417 | printf ("???\n"); | |
418 | dolog ("Bad value tag for option %s_%s %d\n", | |
419 | uprefix, opt->name, opt->tag); | |
420 | break; | |
85571bc7 | 421 | } |
1d14ffa9 | 422 | printf (" %s\n", opt->descr); |
85571bc7 | 423 | } |
1d14ffa9 FB |
424 | |
425 | qemu_free (uprefix); | |
85571bc7 FB |
426 | } |
427 | ||
1d14ffa9 FB |
428 | static void audio_process_options (const char *prefix, |
429 | struct audio_option *opt) | |
85571bc7 | 430 | { |
1d14ffa9 FB |
431 | char *optname; |
432 | const char qemu_prefix[] = "QEMU_"; | |
433 | size_t preflen; | |
85571bc7 | 434 | |
1d14ffa9 FB |
435 | if (audio_bug (AUDIO_FUNC, !prefix)) { |
436 | dolog ("prefix = NULL\n"); | |
437 | return; | |
438 | } | |
85571bc7 | 439 | |
1d14ffa9 FB |
440 | if (audio_bug (AUDIO_FUNC, !opt)) { |
441 | dolog ("opt = NULL\n"); | |
442 | return; | |
85571bc7 | 443 | } |
85571bc7 | 444 | |
1d14ffa9 | 445 | preflen = strlen (prefix); |
85571bc7 | 446 | |
1d14ffa9 FB |
447 | for (; opt->name; opt++) { |
448 | size_t len, i; | |
449 | int def; | |
450 | ||
451 | if (!opt->valp) { | |
452 | dolog ("Option value pointer for `%s' is not set\n", | |
453 | opt->name); | |
454 | continue; | |
455 | } | |
456 | ||
457 | len = strlen (opt->name); | |
c0fe3827 FB |
458 | /* len of opt->name + len of prefix + size of qemu_prefix |
459 | * (includes trailing zero) + zero + underscore (on behalf of | |
460 | * sizeof) */ | |
1d14ffa9 FB |
461 | optname = qemu_malloc (len + preflen + sizeof (qemu_prefix) + 1); |
462 | if (!optname) { | |
c0fe3827 | 463 | dolog ("Could not allocate memory for option name `%s'\n", |
1d14ffa9 FB |
464 | opt->name); |
465 | continue; | |
466 | } | |
467 | ||
468 | strcpy (optname, qemu_prefix); | |
c0fe3827 FB |
469 | |
470 | /* copy while upper-casing, including trailing zero */ | |
1d14ffa9 FB |
471 | for (i = 0; i <= preflen; ++i) { |
472 | optname[i + sizeof (qemu_prefix) - 1] = toupper (prefix[i]); | |
473 | } | |
474 | strcat (optname, "_"); | |
475 | strcat (optname, opt->name); | |
476 | ||
477 | def = 1; | |
478 | switch (opt->tag) { | |
479 | case AUD_OPT_BOOL: | |
480 | case AUD_OPT_INT: | |
481 | { | |
482 | int *intp = opt->valp; | |
483 | *intp = audio_get_conf_int (optname, *intp, &def); | |
484 | } | |
485 | break; | |
486 | ||
487 | case AUD_OPT_FMT: | |
488 | { | |
489 | audfmt_e *fmtp = opt->valp; | |
490 | *fmtp = audio_get_conf_fmt (optname, *fmtp, &def); | |
491 | } | |
492 | break; | |
493 | ||
494 | case AUD_OPT_STR: | |
495 | { | |
496 | const char **strp = opt->valp; | |
497 | *strp = audio_get_conf_str (optname, *strp, &def); | |
498 | } | |
499 | break; | |
500 | ||
501 | default: | |
502 | dolog ("Bad value tag for option `%s' - %d\n", | |
503 | optname, opt->tag); | |
85571bc7 FB |
504 | break; |
505 | } | |
85571bc7 | 506 | |
fe8f096b TS |
507 | if (!opt->overriddenp) { |
508 | opt->overriddenp = &opt->overridden; | |
1d14ffa9 | 509 | } |
fe8f096b | 510 | *opt->overriddenp = !def; |
1d14ffa9 FB |
511 | qemu_free (optname); |
512 | } | |
85571bc7 FB |
513 | } |
514 | ||
c0fe3827 FB |
515 | static void audio_print_settings (audsettings_t *as) |
516 | { | |
517 | dolog ("frequency=%d nchannels=%d fmt=", as->freq, as->nchannels); | |
518 | ||
519 | switch (as->fmt) { | |
520 | case AUD_FMT_S8: | |
521 | AUD_log (NULL, "S8"); | |
522 | break; | |
523 | case AUD_FMT_U8: | |
524 | AUD_log (NULL, "U8"); | |
525 | break; | |
526 | case AUD_FMT_S16: | |
527 | AUD_log (NULL, "S16"); | |
528 | break; | |
529 | case AUD_FMT_U16: | |
530 | AUD_log (NULL, "U16"); | |
531 | break; | |
d50997f9 | 532 | case AUD_FMT_S32: |
533 | AUD_log (NULL, "S32"); | |
534 | break; | |
535 | case AUD_FMT_U32: | |
536 | AUD_log (NULL, "U32"); | |
537 | break; | |
c0fe3827 FB |
538 | default: |
539 | AUD_log (NULL, "invalid(%d)", as->fmt); | |
540 | break; | |
541 | } | |
ec36b695 FB |
542 | |
543 | AUD_log (NULL, " endianness="); | |
d929eba5 FB |
544 | switch (as->endianness) { |
545 | case 0: | |
546 | AUD_log (NULL, "little"); | |
547 | break; | |
548 | case 1: | |
549 | AUD_log (NULL, "big"); | |
550 | break; | |
551 | default: | |
552 | AUD_log (NULL, "invalid"); | |
553 | break; | |
554 | } | |
c0fe3827 FB |
555 | AUD_log (NULL, "\n"); |
556 | } | |
557 | ||
ec36b695 | 558 | static int audio_validate_settings (audsettings_t *as) |
c0fe3827 FB |
559 | { |
560 | int invalid; | |
561 | ||
562 | invalid = as->nchannels != 1 && as->nchannels != 2; | |
d929eba5 | 563 | invalid |= as->endianness != 0 && as->endianness != 1; |
c0fe3827 FB |
564 | |
565 | switch (as->fmt) { | |
566 | case AUD_FMT_S8: | |
567 | case AUD_FMT_U8: | |
568 | case AUD_FMT_S16: | |
569 | case AUD_FMT_U16: | |
f941aa25 TS |
570 | case AUD_FMT_S32: |
571 | case AUD_FMT_U32: | |
c0fe3827 FB |
572 | break; |
573 | default: | |
574 | invalid = 1; | |
575 | break; | |
576 | } | |
577 | ||
578 | invalid |= as->freq <= 0; | |
d929eba5 | 579 | return invalid ? -1 : 0; |
c0fe3827 FB |
580 | } |
581 | ||
582 | static int audio_pcm_info_eq (struct audio_pcm_info *info, audsettings_t *as) | |
85571bc7 | 583 | { |
1d14ffa9 | 584 | int bits = 8, sign = 0; |
85571bc7 | 585 | |
c0fe3827 | 586 | switch (as->fmt) { |
1d14ffa9 FB |
587 | case AUD_FMT_S8: |
588 | sign = 1; | |
589 | case AUD_FMT_U8: | |
590 | break; | |
591 | ||
592 | case AUD_FMT_S16: | |
593 | sign = 1; | |
594 | case AUD_FMT_U16: | |
595 | bits = 16; | |
596 | break; | |
f941aa25 TS |
597 | |
598 | case AUD_FMT_S32: | |
599 | sign = 1; | |
600 | case AUD_FMT_U32: | |
601 | bits = 32; | |
602 | break; | |
85571bc7 | 603 | } |
c0fe3827 FB |
604 | return info->freq == as->freq |
605 | && info->nchannels == as->nchannels | |
1d14ffa9 | 606 | && info->sign == sign |
d929eba5 FB |
607 | && info->bits == bits |
608 | && info->swap_endianness == (as->endianness != AUDIO_HOST_ENDIANNESS); | |
1d14ffa9 | 609 | } |
85571bc7 | 610 | |
d929eba5 | 611 | void audio_pcm_init_info (struct audio_pcm_info *info, audsettings_t *as) |
1d14ffa9 | 612 | { |
f941aa25 | 613 | int bits = 8, sign = 0, shift = 0; |
1d14ffa9 | 614 | |
c0fe3827 | 615 | switch (as->fmt) { |
85571bc7 FB |
616 | case AUD_FMT_S8: |
617 | sign = 1; | |
618 | case AUD_FMT_U8: | |
619 | break; | |
620 | ||
621 | case AUD_FMT_S16: | |
622 | sign = 1; | |
623 | case AUD_FMT_U16: | |
624 | bits = 16; | |
f941aa25 TS |
625 | shift = 1; |
626 | break; | |
627 | ||
628 | case AUD_FMT_S32: | |
629 | sign = 1; | |
630 | case AUD_FMT_U32: | |
631 | bits = 32; | |
632 | shift = 2; | |
85571bc7 FB |
633 | break; |
634 | } | |
635 | ||
c0fe3827 | 636 | info->freq = as->freq; |
1d14ffa9 FB |
637 | info->bits = bits; |
638 | info->sign = sign; | |
c0fe3827 | 639 | info->nchannels = as->nchannels; |
f941aa25 | 640 | info->shift = (as->nchannels == 2) + shift; |
1d14ffa9 FB |
641 | info->align = (1 << info->shift) - 1; |
642 | info->bytes_per_second = info->freq << info->shift; | |
d929eba5 | 643 | info->swap_endianness = (as->endianness != AUDIO_HOST_ENDIANNESS); |
85571bc7 FB |
644 | } |
645 | ||
1d14ffa9 | 646 | void audio_pcm_info_clear_buf (struct audio_pcm_info *info, void *buf, int len) |
85571bc7 | 647 | { |
1d14ffa9 FB |
648 | if (!len) { |
649 | return; | |
650 | } | |
651 | ||
652 | if (info->sign) { | |
e2f909be | 653 | memset (buf, 0x00, len << info->shift); |
85571bc7 FB |
654 | } |
655 | else { | |
f941aa25 TS |
656 | switch (info->bits) { |
657 | case 8: | |
e2f909be | 658 | memset (buf, 0x80, len << info->shift); |
f941aa25 | 659 | break; |
1d14ffa9 | 660 | |
f941aa25 TS |
661 | case 16: |
662 | { | |
663 | int i; | |
664 | uint16_t *p = buf; | |
665 | int shift = info->nchannels - 1; | |
666 | short s = INT16_MAX; | |
667 | ||
668 | if (info->swap_endianness) { | |
669 | s = bswap16 (s); | |
670 | } | |
671 | ||
672 | for (i = 0; i < len << shift; i++) { | |
673 | p[i] = s; | |
674 | } | |
1d14ffa9 | 675 | } |
f941aa25 TS |
676 | break; |
677 | ||
678 | case 32: | |
679 | { | |
680 | int i; | |
681 | uint32_t *p = buf; | |
682 | int shift = info->nchannels - 1; | |
683 | int32_t s = INT32_MAX; | |
684 | ||
685 | if (info->swap_endianness) { | |
686 | s = bswap32 (s); | |
687 | } | |
1d14ffa9 | 688 | |
f941aa25 TS |
689 | for (i = 0; i < len << shift; i++) { |
690 | p[i] = s; | |
691 | } | |
1d14ffa9 | 692 | } |
f941aa25 TS |
693 | break; |
694 | ||
695 | default: | |
696 | AUD_log (NULL, "audio_pcm_info_clear_buf: invalid bits %d\n", | |
697 | info->bits); | |
698 | break; | |
1d14ffa9 | 699 | } |
85571bc7 FB |
700 | } |
701 | } | |
702 | ||
8ead62cf FB |
703 | /* |
704 | * Capture | |
705 | */ | |
706 | static void noop_conv (st_sample_t *dst, const void *src, | |
707 | int samples, volume_t *vol) | |
708 | { | |
709 | (void) src; | |
710 | (void) dst; | |
711 | (void) samples; | |
712 | (void) vol; | |
713 | } | |
714 | ||
715 | static CaptureVoiceOut *audio_pcm_capture_find_specific ( | |
716 | AudioState *s, | |
d929eba5 | 717 | audsettings_t *as |
8ead62cf FB |
718 | ) |
719 | { | |
720 | CaptureVoiceOut *cap; | |
8ead62cf FB |
721 | |
722 | for (cap = s->cap_head.lh_first; cap; cap = cap->entries.le_next) { | |
d929eba5 | 723 | if (audio_pcm_info_eq (&cap->hw.info, as)) { |
8ead62cf FB |
724 | return cap; |
725 | } | |
726 | } | |
727 | return NULL; | |
728 | } | |
729 | ||
ec36b695 | 730 | static void audio_notify_capture (CaptureVoiceOut *cap, audcnotification_e cmd) |
8ead62cf | 731 | { |
ec36b695 FB |
732 | struct capture_callback *cb; |
733 | ||
734 | #ifdef DEBUG_CAPTURE | |
735 | dolog ("notification %d sent\n", cmd); | |
736 | #endif | |
737 | for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) { | |
738 | cb->ops.notify (cb->opaque, cmd); | |
739 | } | |
740 | } | |
8ead62cf | 741 | |
ec36b695 FB |
742 | static void audio_capture_maybe_changed (CaptureVoiceOut *cap, int enabled) |
743 | { | |
744 | if (cap->hw.enabled != enabled) { | |
745 | audcnotification_e cmd; | |
8ead62cf | 746 | cap->hw.enabled = enabled; |
ec36b695 FB |
747 | cmd = enabled ? AUD_CNOTIFY_ENABLE : AUD_CNOTIFY_DISABLE; |
748 | audio_notify_capture (cap, cmd); | |
8ead62cf FB |
749 | } |
750 | } | |
751 | ||
752 | static void audio_recalc_and_notify_capture (CaptureVoiceOut *cap) | |
753 | { | |
754 | HWVoiceOut *hw = &cap->hw; | |
755 | SWVoiceOut *sw; | |
756 | int enabled = 0; | |
757 | ||
ec36b695 | 758 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { |
8ead62cf FB |
759 | if (sw->active) { |
760 | enabled = 1; | |
761 | break; | |
762 | } | |
763 | } | |
ec36b695 | 764 | audio_capture_maybe_changed (cap, enabled); |
8ead62cf FB |
765 | } |
766 | ||
767 | static void audio_detach_capture (HWVoiceOut *hw) | |
768 | { | |
ec36b695 FB |
769 | SWVoiceCap *sc = hw->cap_head.lh_first; |
770 | ||
771 | while (sc) { | |
772 | SWVoiceCap *sc1 = sc->entries.le_next; | |
773 | SWVoiceOut *sw = &sc->sw; | |
774 | CaptureVoiceOut *cap = sc->cap; | |
775 | int was_active = sw->active; | |
8ead62cf | 776 | |
8ead62cf FB |
777 | if (sw->rate) { |
778 | st_rate_stop (sw->rate); | |
779 | sw->rate = NULL; | |
780 | } | |
781 | ||
782 | LIST_REMOVE (sw, entries); | |
ec36b695 FB |
783 | LIST_REMOVE (sc, entries); |
784 | qemu_free (sc); | |
785 | if (was_active) { | |
786 | /* We have removed soft voice from the capture: | |
787 | this might have changed the overall status of the capture | |
788 | since this might have been the only active voice */ | |
789 | audio_recalc_and_notify_capture (cap); | |
790 | } | |
791 | sc = sc1; | |
8ead62cf FB |
792 | } |
793 | } | |
794 | ||
795 | static int audio_attach_capture (AudioState *s, HWVoiceOut *hw) | |
796 | { | |
797 | CaptureVoiceOut *cap; | |
798 | ||
799 | audio_detach_capture (hw); | |
800 | for (cap = s->cap_head.lh_first; cap; cap = cap->entries.le_next) { | |
ec36b695 | 801 | SWVoiceCap *sc; |
8ead62cf | 802 | SWVoiceOut *sw; |
ec36b695 | 803 | HWVoiceOut *hw_cap = &cap->hw; |
8ead62cf | 804 | |
ec36b695 FB |
805 | sc = audio_calloc (AUDIO_FUNC, 1, sizeof (*sc)); |
806 | if (!sc) { | |
8ead62cf | 807 | dolog ("Could not allocate soft capture voice (%zu bytes)\n", |
ec36b695 | 808 | sizeof (*sc)); |
8ead62cf FB |
809 | return -1; |
810 | } | |
811 | ||
ec36b695 FB |
812 | sc->cap = cap; |
813 | sw = &sc->sw; | |
8ead62cf | 814 | sw->hw = hw_cap; |
ec36b695 | 815 | sw->info = hw->info; |
8ead62cf FB |
816 | sw->empty = 1; |
817 | sw->active = hw->enabled; | |
818 | sw->conv = noop_conv; | |
819 | sw->ratio = ((int64_t) hw_cap->info.freq << 32) / sw->info.freq; | |
820 | sw->rate = st_rate_start (sw->info.freq, hw_cap->info.freq); | |
821 | if (!sw->rate) { | |
822 | dolog ("Could not start rate conversion for `%s'\n", SW_NAME (sw)); | |
823 | qemu_free (sw); | |
824 | return -1; | |
825 | } | |
826 | LIST_INSERT_HEAD (&hw_cap->sw_head, sw, entries); | |
ec36b695 FB |
827 | LIST_INSERT_HEAD (&hw->cap_head, sc, entries); |
828 | #ifdef DEBUG_CAPTURE | |
829 | asprintf (&sw->name, "for %p %d,%d,%d", | |
830 | hw, sw->info.freq, sw->info.bits, sw->info.nchannels); | |
831 | dolog ("Added %s active = %d\n", sw->name, sw->active); | |
832 | #endif | |
8ead62cf | 833 | if (sw->active) { |
ec36b695 | 834 | audio_capture_maybe_changed (cap, 1); |
8ead62cf FB |
835 | } |
836 | } | |
837 | return 0; | |
838 | } | |
839 | ||
1d14ffa9 FB |
840 | /* |
841 | * Hard voice (capture) | |
842 | */ | |
c0fe3827 | 843 | static int audio_pcm_hw_find_min_in (HWVoiceIn *hw) |
85571bc7 | 844 | { |
1d14ffa9 FB |
845 | SWVoiceIn *sw; |
846 | int m = hw->total_samples_captured; | |
847 | ||
848 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { | |
849 | if (sw->active) { | |
850 | m = audio_MIN (m, sw->total_hw_samples_acquired); | |
851 | } | |
85571bc7 | 852 | } |
1d14ffa9 | 853 | return m; |
85571bc7 FB |
854 | } |
855 | ||
1d14ffa9 | 856 | int audio_pcm_hw_get_live_in (HWVoiceIn *hw) |
85571bc7 | 857 | { |
1d14ffa9 FB |
858 | int live = hw->total_samples_captured - audio_pcm_hw_find_min_in (hw); |
859 | if (audio_bug (AUDIO_FUNC, live < 0 || live > hw->samples)) { | |
860 | dolog ("live=%d hw->samples=%d\n", live, hw->samples); | |
861 | return 0; | |
85571bc7 | 862 | } |
1d14ffa9 | 863 | return live; |
85571bc7 FB |
864 | } |
865 | ||
1d14ffa9 FB |
866 | /* |
867 | * Soft voice (capture) | |
868 | */ | |
1d14ffa9 FB |
869 | static int audio_pcm_sw_get_rpos_in (SWVoiceIn *sw) |
870 | { | |
871 | HWVoiceIn *hw = sw->hw; | |
872 | int live = hw->total_samples_captured - sw->total_hw_samples_acquired; | |
873 | int rpos; | |
874 | ||
875 | if (audio_bug (AUDIO_FUNC, live < 0 || live > hw->samples)) { | |
876 | dolog ("live=%d hw->samples=%d\n", live, hw->samples); | |
877 | return 0; | |
878 | } | |
879 | ||
880 | rpos = hw->wpos - live; | |
881 | if (rpos >= 0) { | |
882 | return rpos; | |
85571bc7 FB |
883 | } |
884 | else { | |
1d14ffa9 | 885 | return hw->samples + rpos; |
85571bc7 | 886 | } |
85571bc7 FB |
887 | } |
888 | ||
1d14ffa9 | 889 | int audio_pcm_sw_read (SWVoiceIn *sw, void *buf, int size) |
85571bc7 | 890 | { |
1d14ffa9 FB |
891 | HWVoiceIn *hw = sw->hw; |
892 | int samples, live, ret = 0, swlim, isamp, osamp, rpos, total = 0; | |
571ec3d6 | 893 | st_sample_t *src, *dst = sw->buf; |
1d14ffa9 FB |
894 | |
895 | rpos = audio_pcm_sw_get_rpos_in (sw) % hw->samples; | |
896 | ||
897 | live = hw->total_samples_captured - sw->total_hw_samples_acquired; | |
898 | if (audio_bug (AUDIO_FUNC, live < 0 || live > hw->samples)) { | |
899 | dolog ("live_in=%d hw->samples=%d\n", live, hw->samples); | |
900 | return 0; | |
901 | } | |
902 | ||
903 | samples = size >> sw->info.shift; | |
904 | if (!live) { | |
905 | return 0; | |
906 | } | |
85571bc7 | 907 | |
1d14ffa9 FB |
908 | swlim = (live * sw->ratio) >> 32; |
909 | swlim = audio_MIN (swlim, samples); | |
85571bc7 | 910 | |
1d14ffa9 FB |
911 | while (swlim) { |
912 | src = hw->conv_buf + rpos; | |
913 | isamp = hw->wpos - rpos; | |
914 | /* XXX: <= ? */ | |
915 | if (isamp <= 0) { | |
916 | isamp = hw->samples - rpos; | |
917 | } | |
85571bc7 | 918 | |
1d14ffa9 FB |
919 | if (!isamp) { |
920 | break; | |
921 | } | |
922 | osamp = swlim; | |
85571bc7 | 923 | |
1d14ffa9 FB |
924 | if (audio_bug (AUDIO_FUNC, osamp < 0)) { |
925 | dolog ("osamp=%d\n", osamp); | |
c0fe3827 | 926 | return 0; |
1d14ffa9 | 927 | } |
85571bc7 | 928 | |
1d14ffa9 FB |
929 | st_rate_flow (sw->rate, src, dst, &isamp, &osamp); |
930 | swlim -= osamp; | |
931 | rpos = (rpos + isamp) % hw->samples; | |
932 | dst += osamp; | |
933 | ret += osamp; | |
934 | total += isamp; | |
935 | } | |
85571bc7 | 936 | |
571ec3d6 | 937 | sw->clip (buf, sw->buf, ret); |
1d14ffa9 FB |
938 | sw->total_hw_samples_acquired += total; |
939 | return ret << sw->info.shift; | |
85571bc7 FB |
940 | } |
941 | ||
1d14ffa9 FB |
942 | /* |
943 | * Hard voice (playback) | |
944 | */ | |
c0fe3827 | 945 | static int audio_pcm_hw_find_min_out (HWVoiceOut *hw, int *nb_livep) |
1d14ffa9 | 946 | { |
c0fe3827 FB |
947 | SWVoiceOut *sw; |
948 | int m = INT_MAX; | |
949 | int nb_live = 0; | |
85571bc7 | 950 | |
c0fe3827 FB |
951 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { |
952 | if (sw->active || !sw->empty) { | |
953 | m = audio_MIN (m, sw->total_hw_samples_mixed); | |
954 | nb_live += 1; | |
955 | } | |
85571bc7 | 956 | } |
c0fe3827 FB |
957 | |
958 | *nb_livep = nb_live; | |
959 | return m; | |
1d14ffa9 | 960 | } |
85571bc7 | 961 | |
1d14ffa9 FB |
962 | int audio_pcm_hw_get_live_out2 (HWVoiceOut *hw, int *nb_live) |
963 | { | |
964 | int smin; | |
85571bc7 | 965 | |
1d14ffa9 FB |
966 | smin = audio_pcm_hw_find_min_out (hw, nb_live); |
967 | ||
968 | if (!*nb_live) { | |
969 | return 0; | |
85571bc7 FB |
970 | } |
971 | else { | |
1d14ffa9 FB |
972 | int live = smin; |
973 | ||
974 | if (audio_bug (AUDIO_FUNC, live < 0 || live > hw->samples)) { | |
975 | dolog ("live=%d hw->samples=%d\n", live, hw->samples); | |
976 | return 0; | |
85571bc7 | 977 | } |
1d14ffa9 | 978 | return live; |
85571bc7 | 979 | } |
1d14ffa9 FB |
980 | } |
981 | ||
982 | int audio_pcm_hw_get_live_out (HWVoiceOut *hw) | |
983 | { | |
984 | int nb_live; | |
985 | int live; | |
85571bc7 | 986 | |
1d14ffa9 FB |
987 | live = audio_pcm_hw_get_live_out2 (hw, &nb_live); |
988 | if (audio_bug (AUDIO_FUNC, live < 0 || live > hw->samples)) { | |
989 | dolog ("live=%d hw->samples=%d\n", live, hw->samples); | |
990 | return 0; | |
85571bc7 | 991 | } |
1d14ffa9 | 992 | return live; |
85571bc7 FB |
993 | } |
994 | ||
1d14ffa9 FB |
995 | /* |
996 | * Soft voice (playback) | |
997 | */ | |
1d14ffa9 | 998 | int audio_pcm_sw_write (SWVoiceOut *sw, void *buf, int size) |
85571bc7 | 999 | { |
1d14ffa9 FB |
1000 | int hwsamples, samples, isamp, osamp, wpos, live, dead, left, swlim, blck; |
1001 | int ret = 0, pos = 0, total = 0; | |
85571bc7 | 1002 | |
1d14ffa9 FB |
1003 | if (!sw) { |
1004 | return size; | |
1005 | } | |
85571bc7 | 1006 | |
1d14ffa9 | 1007 | hwsamples = sw->hw->samples; |
85571bc7 | 1008 | |
1d14ffa9 FB |
1009 | live = sw->total_hw_samples_mixed; |
1010 | if (audio_bug (AUDIO_FUNC, live < 0 || live > hwsamples)){ | |
1011 | dolog ("live=%d hw->samples=%d\n", live, hwsamples); | |
1012 | return 0; | |
1013 | } | |
85571bc7 | 1014 | |
1d14ffa9 | 1015 | if (live == hwsamples) { |
ec36b695 FB |
1016 | #ifdef DEBUG_OUT |
1017 | dolog ("%s is full %d\n", sw->name, live); | |
1018 | #endif | |
1d14ffa9 FB |
1019 | return 0; |
1020 | } | |
85571bc7 | 1021 | |
1d14ffa9 FB |
1022 | wpos = (sw->hw->rpos + live) % hwsamples; |
1023 | samples = size >> sw->info.shift; | |
85571bc7 | 1024 | |
1d14ffa9 FB |
1025 | dead = hwsamples - live; |
1026 | swlim = ((int64_t) dead << 32) / sw->ratio; | |
1027 | swlim = audio_MIN (swlim, samples); | |
1028 | if (swlim) { | |
1029 | sw->conv (sw->buf, buf, swlim, &sw->vol); | |
1030 | } | |
1031 | ||
1032 | while (swlim) { | |
1033 | dead = hwsamples - live; | |
1034 | left = hwsamples - wpos; | |
1035 | blck = audio_MIN (dead, left); | |
1036 | if (!blck) { | |
1037 | break; | |
1038 | } | |
1039 | isamp = swlim; | |
1040 | osamp = blck; | |
1041 | st_rate_flow_mix ( | |
1042 | sw->rate, | |
1043 | sw->buf + pos, | |
1044 | sw->hw->mix_buf + wpos, | |
1045 | &isamp, | |
1046 | &osamp | |
1047 | ); | |
1048 | ret += isamp; | |
1049 | swlim -= isamp; | |
1050 | pos += isamp; | |
1051 | live += osamp; | |
1052 | wpos = (wpos + osamp) % hwsamples; | |
1053 | total += osamp; | |
1054 | } | |
1055 | ||
1056 | sw->total_hw_samples_mixed += total; | |
1057 | sw->empty = sw->total_hw_samples_mixed == 0; | |
1058 | ||
1059 | #ifdef DEBUG_OUT | |
1060 | dolog ( | |
c0fe3827 FB |
1061 | "%s: write size %d ret %d total sw %d\n", |
1062 | SW_NAME (sw), | |
1d14ffa9 FB |
1063 | size >> sw->info.shift, |
1064 | ret, | |
c0fe3827 | 1065 | sw->total_hw_samples_mixed |
1d14ffa9 FB |
1066 | ); |
1067 | #endif | |
1068 | ||
1069 | return ret << sw->info.shift; | |
85571bc7 FB |
1070 | } |
1071 | ||
1d14ffa9 FB |
1072 | #ifdef DEBUG_AUDIO |
1073 | static void audio_pcm_print_info (const char *cap, struct audio_pcm_info *info) | |
85571bc7 | 1074 | { |
1d14ffa9 FB |
1075 | dolog ("%s: bits %d, sign %d, freq %d, nchan %d\n", |
1076 | cap, info->bits, info->sign, info->freq, info->nchannels); | |
85571bc7 | 1077 | } |
1d14ffa9 | 1078 | #endif |
85571bc7 | 1079 | |
1d14ffa9 FB |
1080 | #define DAC |
1081 | #include "audio_template.h" | |
1082 | #undef DAC | |
1083 | #include "audio_template.h" | |
1084 | ||
1085 | int AUD_write (SWVoiceOut *sw, void *buf, int size) | |
85571bc7 | 1086 | { |
1d14ffa9 | 1087 | int bytes; |
85571bc7 | 1088 | |
1d14ffa9 FB |
1089 | if (!sw) { |
1090 | /* XXX: Consider options */ | |
1091 | return size; | |
1092 | } | |
85571bc7 | 1093 | |
1d14ffa9 | 1094 | if (!sw->hw->enabled) { |
c0fe3827 | 1095 | dolog ("Writing to disabled voice %s\n", SW_NAME (sw)); |
85571bc7 FB |
1096 | return 0; |
1097 | } | |
1098 | ||
1d14ffa9 FB |
1099 | bytes = sw->hw->pcm_ops->write (sw, buf, size); |
1100 | return bytes; | |
1101 | } | |
1102 | ||
1103 | int AUD_read (SWVoiceIn *sw, void *buf, int size) | |
1104 | { | |
1105 | int bytes; | |
85571bc7 | 1106 | |
1d14ffa9 FB |
1107 | if (!sw) { |
1108 | /* XXX: Consider options */ | |
1109 | return size; | |
85571bc7 | 1110 | } |
1d14ffa9 FB |
1111 | |
1112 | if (!sw->hw->enabled) { | |
c0fe3827 | 1113 | dolog ("Reading from disabled voice %s\n", SW_NAME (sw)); |
1d14ffa9 | 1114 | return 0; |
85571bc7 | 1115 | } |
1d14ffa9 FB |
1116 | |
1117 | bytes = sw->hw->pcm_ops->read (sw, buf, size); | |
1118 | return bytes; | |
85571bc7 FB |
1119 | } |
1120 | ||
1d14ffa9 | 1121 | int AUD_get_buffer_size_out (SWVoiceOut *sw) |
85571bc7 | 1122 | { |
c0fe3827 | 1123 | return sw->hw->samples << sw->hw->info.shift; |
1d14ffa9 FB |
1124 | } |
1125 | ||
1126 | void AUD_set_active_out (SWVoiceOut *sw, int on) | |
1127 | { | |
1128 | HWVoiceOut *hw; | |
85571bc7 | 1129 | |
1d14ffa9 | 1130 | if (!sw) { |
85571bc7 | 1131 | return; |
1d14ffa9 | 1132 | } |
85571bc7 FB |
1133 | |
1134 | hw = sw->hw; | |
1d14ffa9 FB |
1135 | if (sw->active != on) { |
1136 | SWVoiceOut *temp_sw; | |
ec36b695 | 1137 | SWVoiceCap *sc; |
1d14ffa9 FB |
1138 | |
1139 | if (on) { | |
1d14ffa9 FB |
1140 | hw->pending_disable = 0; |
1141 | if (!hw->enabled) { | |
1142 | hw->enabled = 1; | |
1143 | hw->pcm_ops->ctl_out (hw, VOICE_ENABLE); | |
1144 | } | |
1d14ffa9 FB |
1145 | } |
1146 | else { | |
1147 | if (hw->enabled) { | |
1148 | int nb_active = 0; | |
1149 | ||
1150 | for (temp_sw = hw->sw_head.lh_first; temp_sw; | |
1151 | temp_sw = temp_sw->entries.le_next) { | |
1152 | nb_active += temp_sw->active != 0; | |
1153 | } | |
1154 | ||
1155 | hw->pending_disable = nb_active == 1; | |
1156 | } | |
85571bc7 | 1157 | } |
ec36b695 FB |
1158 | |
1159 | for (sc = hw->cap_head.lh_first; sc; sc = sc->entries.le_next) { | |
1160 | sc->sw.active = hw->enabled; | |
8ead62cf | 1161 | if (hw->enabled) { |
ec36b695 | 1162 | audio_capture_maybe_changed (sc->cap, 1); |
8ead62cf FB |
1163 | } |
1164 | } | |
1d14ffa9 FB |
1165 | sw->active = on; |
1166 | } | |
1167 | } | |
1168 | ||
1169 | void AUD_set_active_in (SWVoiceIn *sw, int on) | |
1170 | { | |
1171 | HWVoiceIn *hw; | |
1172 | ||
1173 | if (!sw) { | |
1174 | return; | |
85571bc7 FB |
1175 | } |
1176 | ||
1d14ffa9 | 1177 | hw = sw->hw; |
85571bc7 | 1178 | if (sw->active != on) { |
1d14ffa9 FB |
1179 | SWVoiceIn *temp_sw; |
1180 | ||
85571bc7 | 1181 | if (on) { |
85571bc7 FB |
1182 | if (!hw->enabled) { |
1183 | hw->enabled = 1; | |
1d14ffa9 | 1184 | hw->pcm_ops->ctl_in (hw, VOICE_ENABLE); |
85571bc7 | 1185 | } |
1d14ffa9 | 1186 | sw->total_hw_samples_acquired = hw->total_samples_captured; |
85571bc7 FB |
1187 | } |
1188 | else { | |
1d14ffa9 | 1189 | if (hw->enabled) { |
85571bc7 | 1190 | int nb_active = 0; |
1d14ffa9 FB |
1191 | |
1192 | for (temp_sw = hw->sw_head.lh_first; temp_sw; | |
1193 | temp_sw = temp_sw->entries.le_next) { | |
1194 | nb_active += temp_sw->active != 0; | |
85571bc7 FB |
1195 | } |
1196 | ||
1197 | if (nb_active == 1) { | |
1d14ffa9 FB |
1198 | hw->enabled = 0; |
1199 | hw->pcm_ops->ctl_in (hw, VOICE_DISABLE); | |
85571bc7 FB |
1200 | } |
1201 | } | |
1202 | } | |
1203 | sw->active = on; | |
1204 | } | |
1205 | } | |
1206 | ||
1d14ffa9 FB |
1207 | static int audio_get_avail (SWVoiceIn *sw) |
1208 | { | |
1209 | int live; | |
1210 | ||
1211 | if (!sw) { | |
1212 | return 0; | |
1213 | } | |
1214 | ||
1215 | live = sw->hw->total_samples_captured - sw->total_hw_samples_acquired; | |
1216 | if (audio_bug (AUDIO_FUNC, live < 0 || live > sw->hw->samples)) { | |
1217 | dolog ("live=%d sw->hw->samples=%d\n", live, sw->hw->samples); | |
1218 | return 0; | |
1219 | } | |
1220 | ||
1221 | ldebug ( | |
26a76461 | 1222 | "%s: get_avail live %d ret %" PRId64 "\n", |
c0fe3827 | 1223 | SW_NAME (sw), |
1d14ffa9 FB |
1224 | live, (((int64_t) live << 32) / sw->ratio) << sw->info.shift |
1225 | ); | |
1226 | ||
1227 | return (((int64_t) live << 32) / sw->ratio) << sw->info.shift; | |
1228 | } | |
1229 | ||
1230 | static int audio_get_free (SWVoiceOut *sw) | |
1231 | { | |
1232 | int live, dead; | |
1233 | ||
1234 | if (!sw) { | |
1235 | return 0; | |
1236 | } | |
1237 | ||
1238 | live = sw->total_hw_samples_mixed; | |
1239 | ||
1240 | if (audio_bug (AUDIO_FUNC, live < 0 || live > sw->hw->samples)) { | |
1241 | dolog ("live=%d sw->hw->samples=%d\n", live, sw->hw->samples); | |
c0fe3827 | 1242 | return 0; |
1d14ffa9 FB |
1243 | } |
1244 | ||
1245 | dead = sw->hw->samples - live; | |
1246 | ||
1247 | #ifdef DEBUG_OUT | |
26a76461 | 1248 | dolog ("%s: get_free live %d dead %d ret %" PRId64 "\n", |
c0fe3827 | 1249 | SW_NAME (sw), |
1d14ffa9 | 1250 | live, dead, (((int64_t) dead << 32) / sw->ratio) << sw->info.shift); |
85571bc7 | 1251 | #endif |
1d14ffa9 FB |
1252 | |
1253 | return (((int64_t) dead << 32) / sw->ratio) << sw->info.shift; | |
1254 | } | |
1255 | ||
8ead62cf FB |
1256 | static void audio_capture_mix_and_clear (HWVoiceOut *hw, int rpos, int samples) |
1257 | { | |
1258 | int n; | |
1259 | ||
1260 | if (hw->enabled) { | |
ec36b695 | 1261 | SWVoiceCap *sc; |
8ead62cf | 1262 | |
ec36b695 FB |
1263 | for (sc = hw->cap_head.lh_first; sc; sc = sc->entries.le_next) { |
1264 | SWVoiceOut *sw = &sc->sw; | |
8ead62cf FB |
1265 | int rpos2 = rpos; |
1266 | ||
1267 | n = samples; | |
1268 | while (n) { | |
1269 | int till_end_of_hw = hw->samples - rpos2; | |
1270 | int to_write = audio_MIN (till_end_of_hw, n); | |
1271 | int bytes = to_write << hw->info.shift; | |
1272 | int written; | |
1273 | ||
1274 | sw->buf = hw->mix_buf + rpos2; | |
1275 | written = audio_pcm_sw_write (sw, NULL, bytes); | |
1276 | if (written - bytes) { | |
ec36b695 FB |
1277 | dolog ("Could not mix %d bytes into a capture " |
1278 | "buffer, mixed %d\n", | |
1279 | bytes, written); | |
8ead62cf FB |
1280 | break; |
1281 | } | |
1282 | n -= to_write; | |
1283 | rpos2 = (rpos2 + to_write) % hw->samples; | |
1284 | } | |
1285 | } | |
1286 | } | |
1287 | ||
1288 | n = audio_MIN (samples, hw->samples - rpos); | |
1289 | mixeng_clear (hw->mix_buf + rpos, n); | |
1290 | mixeng_clear (hw->mix_buf, samples - n); | |
1291 | } | |
1292 | ||
c0fe3827 | 1293 | static void audio_run_out (AudioState *s) |
1d14ffa9 FB |
1294 | { |
1295 | HWVoiceOut *hw = NULL; | |
1296 | SWVoiceOut *sw; | |
1297 | ||
c0fe3827 | 1298 | while ((hw = audio_pcm_hw_find_any_enabled_out (s, hw))) { |
1d14ffa9 | 1299 | int played; |
8ead62cf | 1300 | int live, free, nb_live, cleanup_required, prev_rpos; |
1d14ffa9 FB |
1301 | |
1302 | live = audio_pcm_hw_get_live_out2 (hw, &nb_live); | |
1303 | if (!nb_live) { | |
1304 | live = 0; | |
1305 | } | |
c0fe3827 | 1306 | |
1d14ffa9 FB |
1307 | if (audio_bug (AUDIO_FUNC, live < 0 || live > hw->samples)) { |
1308 | dolog ("live=%d hw->samples=%d\n", live, hw->samples); | |
c0fe3827 | 1309 | continue; |
1d14ffa9 FB |
1310 | } |
1311 | ||
1312 | if (hw->pending_disable && !nb_live) { | |
ec36b695 | 1313 | SWVoiceCap *sc; |
1d14ffa9 FB |
1314 | #ifdef DEBUG_OUT |
1315 | dolog ("Disabling voice\n"); | |
85571bc7 | 1316 | #endif |
1d14ffa9 FB |
1317 | hw->enabled = 0; |
1318 | hw->pending_disable = 0; | |
1319 | hw->pcm_ops->ctl_out (hw, VOICE_DISABLE); | |
ec36b695 FB |
1320 | for (sc = hw->cap_head.lh_first; sc; sc = sc->entries.le_next) { |
1321 | sc->sw.active = 0; | |
1322 | audio_recalc_and_notify_capture (sc->cap); | |
8ead62cf | 1323 | } |
1d14ffa9 FB |
1324 | continue; |
1325 | } | |
1326 | ||
1327 | if (!live) { | |
1328 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { | |
1329 | if (sw->active) { | |
1330 | free = audio_get_free (sw); | |
1331 | if (free > 0) { | |
1332 | sw->callback.fn (sw->callback.opaque, free); | |
1333 | } | |
1334 | } | |
1335 | } | |
1336 | continue; | |
1337 | } | |
1338 | ||
8ead62cf | 1339 | prev_rpos = hw->rpos; |
1d14ffa9 FB |
1340 | played = hw->pcm_ops->run_out (hw); |
1341 | if (audio_bug (AUDIO_FUNC, hw->rpos >= hw->samples)) { | |
1342 | dolog ("hw->rpos=%d hw->samples=%d played=%d\n", | |
1343 | hw->rpos, hw->samples, played); | |
1344 | hw->rpos = 0; | |
1345 | } | |
1346 | ||
1347 | #ifdef DEBUG_OUT | |
c0fe3827 | 1348 | dolog ("played=%d\n", played); |
85571bc7 | 1349 | #endif |
1d14ffa9 FB |
1350 | |
1351 | if (played) { | |
1352 | hw->ts_helper += played; | |
8ead62cf | 1353 | audio_capture_mix_and_clear (hw, prev_rpos, played); |
1d14ffa9 FB |
1354 | } |
1355 | ||
c0fe3827 | 1356 | cleanup_required = 0; |
1d14ffa9 | 1357 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { |
1d14ffa9 FB |
1358 | if (!sw->active && sw->empty) { |
1359 | continue; | |
1360 | } | |
1361 | ||
1362 | if (audio_bug (AUDIO_FUNC, played > sw->total_hw_samples_mixed)) { | |
1363 | dolog ("played=%d sw->total_hw_samples_mixed=%d\n", | |
1364 | played, sw->total_hw_samples_mixed); | |
1365 | played = sw->total_hw_samples_mixed; | |
1366 | } | |
1367 | ||
1368 | sw->total_hw_samples_mixed -= played; | |
1369 | ||
1370 | if (!sw->total_hw_samples_mixed) { | |
1371 | sw->empty = 1; | |
c0fe3827 | 1372 | cleanup_required |= !sw->active && !sw->callback.fn; |
1d14ffa9 FB |
1373 | } |
1374 | ||
1375 | if (sw->active) { | |
1376 | free = audio_get_free (sw); | |
1377 | if (free > 0) { | |
1378 | sw->callback.fn (sw->callback.opaque, free); | |
1379 | } | |
1380 | } | |
1381 | } | |
c0fe3827 FB |
1382 | |
1383 | if (cleanup_required) { | |
ec36b695 FB |
1384 | SWVoiceOut *sw1; |
1385 | ||
1386 | sw = hw->sw_head.lh_first; | |
1387 | while (sw) { | |
1388 | sw1 = sw->entries.le_next; | |
c0fe3827 FB |
1389 | if (!sw->active && !sw->callback.fn) { |
1390 | #ifdef DEBUG_PLIVE | |
1391 | dolog ("Finishing with old voice\n"); | |
1392 | #endif | |
1393 | audio_close_out (s, sw); | |
c0fe3827 | 1394 | } |
ec36b695 | 1395 | sw = sw1; |
c0fe3827 FB |
1396 | } |
1397 | } | |
1d14ffa9 FB |
1398 | } |
1399 | } | |
1400 | ||
c0fe3827 | 1401 | static void audio_run_in (AudioState *s) |
1d14ffa9 FB |
1402 | { |
1403 | HWVoiceIn *hw = NULL; | |
1404 | ||
c0fe3827 | 1405 | while ((hw = audio_pcm_hw_find_any_enabled_in (s, hw))) { |
1d14ffa9 FB |
1406 | SWVoiceIn *sw; |
1407 | int captured, min; | |
1408 | ||
1409 | captured = hw->pcm_ops->run_in (hw); | |
1410 | ||
1411 | min = audio_pcm_hw_find_min_in (hw); | |
1412 | hw->total_samples_captured += captured - min; | |
1413 | hw->ts_helper += captured; | |
1414 | ||
1415 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { | |
1416 | sw->total_hw_samples_acquired -= min; | |
1417 | ||
1418 | if (sw->active) { | |
1419 | int avail; | |
1420 | ||
1421 | avail = audio_get_avail (sw); | |
1422 | if (avail > 0) { | |
1423 | sw->callback.fn (sw->callback.opaque, avail); | |
1424 | } | |
1425 | } | |
1426 | } | |
1427 | } | |
1428 | } | |
1429 | ||
8ead62cf FB |
1430 | static void audio_run_capture (AudioState *s) |
1431 | { | |
1432 | CaptureVoiceOut *cap; | |
1433 | ||
1434 | for (cap = s->cap_head.lh_first; cap; cap = cap->entries.le_next) { | |
1435 | int live, rpos, captured; | |
1436 | HWVoiceOut *hw = &cap->hw; | |
1437 | SWVoiceOut *sw; | |
1438 | ||
1439 | captured = live = audio_pcm_hw_get_live_out (hw); | |
1440 | rpos = hw->rpos; | |
1441 | while (live) { | |
1442 | int left = hw->samples - rpos; | |
1443 | int to_capture = audio_MIN (live, left); | |
1444 | st_sample_t *src; | |
1445 | struct capture_callback *cb; | |
1446 | ||
1447 | src = hw->mix_buf + rpos; | |
1448 | hw->clip (cap->buf, src, to_capture); | |
1449 | mixeng_clear (src, to_capture); | |
1450 | ||
1451 | for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) { | |
1452 | cb->ops.capture (cb->opaque, cap->buf, | |
1453 | to_capture << hw->info.shift); | |
1454 | } | |
1455 | rpos = (rpos + to_capture) % hw->samples; | |
1456 | live -= to_capture; | |
1457 | } | |
1458 | hw->rpos = rpos; | |
1459 | ||
1460 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { | |
1461 | if (!sw->active && sw->empty) { | |
1462 | continue; | |
1463 | } | |
1464 | ||
1465 | if (audio_bug (AUDIO_FUNC, captured > sw->total_hw_samples_mixed)) { | |
1466 | dolog ("captured=%d sw->total_hw_samples_mixed=%d\n", | |
1467 | captured, sw->total_hw_samples_mixed); | |
1468 | captured = sw->total_hw_samples_mixed; | |
1469 | } | |
1470 | ||
1471 | sw->total_hw_samples_mixed -= captured; | |
1472 | sw->empty = sw->total_hw_samples_mixed == 0; | |
1473 | } | |
1474 | } | |
1475 | } | |
1476 | ||
571ec3d6 FB |
1477 | static void audio_timer (void *opaque) |
1478 | { | |
1479 | AudioState *s = opaque; | |
1480 | ||
1481 | audio_run_out (s); | |
1482 | audio_run_in (s); | |
8ead62cf | 1483 | audio_run_capture (s); |
571ec3d6 FB |
1484 | |
1485 | qemu_mod_timer (s->ts, qemu_get_clock (vm_clock) + conf.period.ticks); | |
1486 | } | |
1487 | ||
1d14ffa9 FB |
1488 | static struct audio_option audio_options[] = { |
1489 | /* DAC */ | |
c0fe3827 | 1490 | {"DAC_FIXED_SETTINGS", AUD_OPT_BOOL, &conf.fixed_out.enabled, |
1d14ffa9 FB |
1491 | "Use fixed settings for host DAC", NULL, 0}, |
1492 | ||
c0fe3827 | 1493 | {"DAC_FIXED_FREQ", AUD_OPT_INT, &conf.fixed_out.settings.freq, |
1d14ffa9 FB |
1494 | "Frequency for fixed host DAC", NULL, 0}, |
1495 | ||
c0fe3827 | 1496 | {"DAC_FIXED_FMT", AUD_OPT_FMT, &conf.fixed_out.settings.fmt, |
1d14ffa9 FB |
1497 | "Format for fixed host DAC", NULL, 0}, |
1498 | ||
c0fe3827 | 1499 | {"DAC_FIXED_CHANNELS", AUD_OPT_INT, &conf.fixed_out.settings.nchannels, |
1d14ffa9 FB |
1500 | "Number of channels for fixed DAC (1 - mono, 2 - stereo)", NULL, 0}, |
1501 | ||
c0fe3827 | 1502 | {"DAC_VOICES", AUD_OPT_INT, &conf.fixed_out.nb_voices, |
1d14ffa9 FB |
1503 | "Number of voices for DAC", NULL, 0}, |
1504 | ||
1505 | /* ADC */ | |
c0fe3827 | 1506 | {"ADC_FIXED_SETTINGS", AUD_OPT_BOOL, &conf.fixed_in.enabled, |
1d14ffa9 FB |
1507 | "Use fixed settings for host ADC", NULL, 0}, |
1508 | ||
c0fe3827 FB |
1509 | {"ADC_FIXED_FREQ", AUD_OPT_INT, &conf.fixed_in.settings.freq, |
1510 | "Frequency for fixed host ADC", NULL, 0}, | |
1d14ffa9 | 1511 | |
c0fe3827 FB |
1512 | {"ADC_FIXED_FMT", AUD_OPT_FMT, &conf.fixed_in.settings.fmt, |
1513 | "Format for fixed host ADC", NULL, 0}, | |
1d14ffa9 | 1514 | |
c0fe3827 | 1515 | {"ADC_FIXED_CHANNELS", AUD_OPT_INT, &conf.fixed_in.settings.nchannels, |
1d14ffa9 FB |
1516 | "Number of channels for fixed ADC (1 - mono, 2 - stereo)", NULL, 0}, |
1517 | ||
c0fe3827 | 1518 | {"ADC_VOICES", AUD_OPT_INT, &conf.fixed_in.nb_voices, |
1d14ffa9 FB |
1519 | "Number of voices for ADC", NULL, 0}, |
1520 | ||
1521 | /* Misc */ | |
c0fe3827 FB |
1522 | {"TIMER_PERIOD", AUD_OPT_INT, &conf.period.hz, |
1523 | "Timer period in HZ (0 - use lowest possible)", NULL, 0}, | |
1d14ffa9 | 1524 | |
c0fe3827 | 1525 | {"PLIVE", AUD_OPT_BOOL, &conf.plive, |
1d14ffa9 FB |
1526 | "(undocumented)", NULL, 0}, |
1527 | ||
541e0844 | 1528 | {"LOG_TO_MONITOR", AUD_OPT_BOOL, &conf.log_to_monitor, |
b60aee00 | 1529 | "print logging messages to monitor instead of stderr", NULL, 0}, |
541e0844 | 1530 | |
1d14ffa9 | 1531 | {NULL, 0, NULL, NULL, NULL, 0} |
85571bc7 FB |
1532 | }; |
1533 | ||
571ec3d6 FB |
1534 | static void audio_pp_nb_voices (const char *typ, int nb) |
1535 | { | |
1536 | switch (nb) { | |
1537 | case 0: | |
1538 | printf ("Does not support %s\n", typ); | |
1539 | break; | |
1540 | case 1: | |
1541 | printf ("One %s voice\n", typ); | |
1542 | break; | |
1543 | case INT_MAX: | |
1544 | printf ("Theoretically supports many %s voices\n", typ); | |
1545 | break; | |
1546 | default: | |
1547 | printf ("Theoretically supports upto %d %s voices\n", nb, typ); | |
1548 | break; | |
1549 | } | |
1550 | ||
1551 | } | |
1552 | ||
1d14ffa9 FB |
1553 | void AUD_help (void) |
1554 | { | |
1555 | size_t i; | |
1556 | ||
1557 | audio_process_options ("AUDIO", audio_options); | |
1558 | for (i = 0; i < sizeof (drvtab) / sizeof (drvtab[0]); i++) { | |
1559 | struct audio_driver *d = drvtab[i]; | |
1560 | if (d->options) { | |
1561 | audio_process_options (d->name, d->options); | |
1562 | } | |
1563 | } | |
1564 | ||
1565 | printf ("Audio options:\n"); | |
1566 | audio_print_options ("AUDIO", audio_options); | |
1567 | printf ("\n"); | |
1568 | ||
1569 | printf ("Available drivers:\n"); | |
1570 | ||
1571 | for (i = 0; i < sizeof (drvtab) / sizeof (drvtab[0]); i++) { | |
1572 | struct audio_driver *d = drvtab[i]; | |
1573 | ||
1574 | printf ("Name: %s\n", d->name); | |
1575 | printf ("Description: %s\n", d->descr); | |
1576 | ||
571ec3d6 FB |
1577 | audio_pp_nb_voices ("playback", d->max_voices_out); |
1578 | audio_pp_nb_voices ("capture", d->max_voices_in); | |
1d14ffa9 FB |
1579 | |
1580 | if (d->options) { | |
1581 | printf ("Options:\n"); | |
1582 | audio_print_options (d->name, d->options); | |
1583 | } | |
1584 | else { | |
1585 | printf ("No options\n"); | |
1586 | } | |
1587 | printf ("\n"); | |
1588 | } | |
1589 | ||
1590 | printf ( | |
1591 | "Options are settable through environment variables.\n" | |
1592 | "Example:\n" | |
1593 | #ifdef _WIN32 | |
1594 | " set QEMU_AUDIO_DRV=wav\n" | |
571ec3d6 | 1595 | " set QEMU_WAV_PATH=c:\\tune.wav\n" |
1d14ffa9 FB |
1596 | #else |
1597 | " export QEMU_AUDIO_DRV=wav\n" | |
1598 | " export QEMU_WAV_PATH=$HOME/tune.wav\n" | |
1599 | "(for csh replace export with setenv in the above)\n" | |
1600 | #endif | |
1601 | " qemu ...\n\n" | |
1602 | ); | |
1603 | } | |
1604 | ||
c0fe3827 | 1605 | static int audio_driver_init (AudioState *s, struct audio_driver *drv) |
85571bc7 | 1606 | { |
1d14ffa9 FB |
1607 | if (drv->options) { |
1608 | audio_process_options (drv->name, drv->options); | |
1609 | } | |
c0fe3827 | 1610 | s->drv_opaque = drv->init (); |
1d14ffa9 | 1611 | |
c0fe3827 | 1612 | if (s->drv_opaque) { |
571ec3d6 FB |
1613 | audio_init_nb_voices_out (s, drv); |
1614 | audio_init_nb_voices_in (s, drv); | |
c0fe3827 | 1615 | s->drv = drv; |
1d14ffa9 | 1616 | return 0; |
85571bc7 FB |
1617 | } |
1618 | else { | |
1d14ffa9 FB |
1619 | dolog ("Could not init `%s' audio driver\n", drv->name); |
1620 | return -1; | |
85571bc7 FB |
1621 | } |
1622 | } | |
1623 | ||
541e0844 | 1624 | static void audio_vm_change_state_handler (void *opaque, int running) |
85571bc7 | 1625 | { |
c0fe3827 | 1626 | AudioState *s = opaque; |
1d14ffa9 FB |
1627 | HWVoiceOut *hwo = NULL; |
1628 | HWVoiceIn *hwi = NULL; | |
541e0844 | 1629 | int op = running ? VOICE_ENABLE : VOICE_DISABLE; |
1d14ffa9 | 1630 | |
541e0844 FB |
1631 | while ((hwo = audio_pcm_hw_find_any_enabled_out (s, hwo))) { |
1632 | hwo->pcm_ops->ctl_out (hwo, op); | |
1d14ffa9 | 1633 | } |
85571bc7 | 1634 | |
541e0844 FB |
1635 | while ((hwi = audio_pcm_hw_find_any_enabled_in (s, hwi))) { |
1636 | hwi->pcm_ops->ctl_in (hwi, op); | |
85571bc7 FB |
1637 | } |
1638 | } | |
1639 | ||
1640 | static void audio_atexit (void) | |
1641 | { | |
c0fe3827 | 1642 | AudioState *s = &glob_audio_state; |
1d14ffa9 FB |
1643 | HWVoiceOut *hwo = NULL; |
1644 | HWVoiceIn *hwi = NULL; | |
1645 | ||
571ec3d6 | 1646 | while ((hwo = audio_pcm_hw_find_any_enabled_out (s, hwo))) { |
ec36b695 | 1647 | SWVoiceCap *sc; |
8ead62cf | 1648 | |
571ec3d6 | 1649 | hwo->pcm_ops->ctl_out (hwo, VOICE_DISABLE); |
1d14ffa9 | 1650 | hwo->pcm_ops->fini_out (hwo); |
8ead62cf | 1651 | |
ec36b695 FB |
1652 | for (sc = hwo->cap_head.lh_first; sc; sc = sc->entries.le_next) { |
1653 | CaptureVoiceOut *cap = sc->cap; | |
1654 | struct capture_callback *cb; | |
1655 | ||
1656 | for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) { | |
1657 | cb->ops.destroy (cb->opaque); | |
1658 | } | |
8ead62cf | 1659 | } |
1d14ffa9 | 1660 | } |
85571bc7 | 1661 | |
571ec3d6 FB |
1662 | while ((hwi = audio_pcm_hw_find_any_enabled_in (s, hwi))) { |
1663 | hwi->pcm_ops->ctl_in (hwi, VOICE_DISABLE); | |
1d14ffa9 | 1664 | hwi->pcm_ops->fini_in (hwi); |
85571bc7 | 1665 | } |
c0fe3827 FB |
1666 | |
1667 | if (s->drv) { | |
1668 | s->drv->fini (s->drv_opaque); | |
1669 | } | |
85571bc7 FB |
1670 | } |
1671 | ||
1672 | static void audio_save (QEMUFile *f, void *opaque) | |
1673 | { | |
1d14ffa9 FB |
1674 | (void) f; |
1675 | (void) opaque; | |
85571bc7 FB |
1676 | } |
1677 | ||
1678 | static int audio_load (QEMUFile *f, void *opaque, int version_id) | |
1679 | { | |
1d14ffa9 FB |
1680 | (void) f; |
1681 | (void) opaque; | |
1682 | ||
1683 | if (version_id != 1) { | |
85571bc7 | 1684 | return -EINVAL; |
1d14ffa9 | 1685 | } |
85571bc7 FB |
1686 | |
1687 | return 0; | |
1688 | } | |
1689 | ||
c0fe3827 FB |
1690 | void AUD_register_card (AudioState *s, const char *name, QEMUSoundCard *card) |
1691 | { | |
1692 | card->audio = s; | |
1693 | card->name = qemu_strdup (name); | |
1694 | memset (&card->entries, 0, sizeof (card->entries)); | |
1695 | LIST_INSERT_HEAD (&s->card_head, card, entries); | |
1696 | } | |
1697 | ||
1698 | void AUD_remove_card (QEMUSoundCard *card) | |
1699 | { | |
1700 | LIST_REMOVE (card, entries); | |
1701 | card->audio = NULL; | |
1702 | qemu_free (card->name); | |
1703 | } | |
1704 | ||
1705 | AudioState *AUD_init (void) | |
85571bc7 | 1706 | { |
1d14ffa9 | 1707 | size_t i; |
85571bc7 FB |
1708 | int done = 0; |
1709 | const char *drvname; | |
c0fe3827 | 1710 | AudioState *s = &glob_audio_state; |
1d14ffa9 | 1711 | |
571ec3d6 FB |
1712 | LIST_INIT (&s->hw_head_out); |
1713 | LIST_INIT (&s->hw_head_in); | |
8ead62cf | 1714 | LIST_INIT (&s->cap_head); |
571ec3d6 FB |
1715 | atexit (audio_atexit); |
1716 | ||
1717 | s->ts = qemu_new_timer (vm_clock, audio_timer, s); | |
1718 | if (!s->ts) { | |
1719 | dolog ("Could not create audio timer\n"); | |
1720 | return NULL; | |
1721 | } | |
1722 | ||
1d14ffa9 FB |
1723 | audio_process_options ("AUDIO", audio_options); |
1724 | ||
c0fe3827 FB |
1725 | s->nb_hw_voices_out = conf.fixed_out.nb_voices; |
1726 | s->nb_hw_voices_in = conf.fixed_in.nb_voices; | |
1727 | ||
1d14ffa9 | 1728 | if (s->nb_hw_voices_out <= 0) { |
571ec3d6 | 1729 | dolog ("Bogus number of playback voices %d, setting to 1\n", |
1d14ffa9 FB |
1730 | s->nb_hw_voices_out); |
1731 | s->nb_hw_voices_out = 1; | |
1732 | } | |
1733 | ||
1734 | if (s->nb_hw_voices_in <= 0) { | |
571ec3d6 | 1735 | dolog ("Bogus number of capture voices %d, setting to 0\n", |
1d14ffa9 | 1736 | s->nb_hw_voices_in); |
571ec3d6 | 1737 | s->nb_hw_voices_in = 0; |
1d14ffa9 | 1738 | } |
85571bc7 | 1739 | |
1d14ffa9 FB |
1740 | { |
1741 | int def; | |
1742 | drvname = audio_get_conf_str ("QEMU_AUDIO_DRV", NULL, &def); | |
1743 | } | |
85571bc7 | 1744 | |
85571bc7 FB |
1745 | if (drvname) { |
1746 | int found = 0; | |
1d14ffa9 | 1747 | |
85571bc7 FB |
1748 | for (i = 0; i < sizeof (drvtab) / sizeof (drvtab[0]); i++) { |
1749 | if (!strcmp (drvname, drvtab[i]->name)) { | |
c0fe3827 | 1750 | done = !audio_driver_init (s, drvtab[i]); |
85571bc7 FB |
1751 | found = 1; |
1752 | break; | |
1753 | } | |
1754 | } | |
1d14ffa9 | 1755 | |
85571bc7 FB |
1756 | if (!found) { |
1757 | dolog ("Unknown audio driver `%s'\n", drvname); | |
1d14ffa9 | 1758 | dolog ("Run with -audio-help to list available drivers\n"); |
85571bc7 FB |
1759 | } |
1760 | } | |
1761 | ||
85571bc7 FB |
1762 | if (!done) { |
1763 | for (i = 0; !done && i < sizeof (drvtab) / sizeof (drvtab[0]); i++) { | |
1d14ffa9 | 1764 | if (drvtab[i]->can_be_default) { |
c0fe3827 | 1765 | done = !audio_driver_init (s, drvtab[i]); |
1d14ffa9 | 1766 | } |
85571bc7 FB |
1767 | } |
1768 | } | |
1769 | ||
85571bc7 | 1770 | if (!done) { |
c0fe3827 FB |
1771 | done = !audio_driver_init (s, &no_audio_driver); |
1772 | if (!done) { | |
1773 | dolog ("Could not initialize audio subsystem\n"); | |
1d14ffa9 FB |
1774 | } |
1775 | else { | |
c0fe3827 | 1776 | dolog ("warning: Using timer based audio emulation\n"); |
1d14ffa9 | 1777 | } |
85571bc7 | 1778 | } |
1d14ffa9 | 1779 | |
c0fe3827 | 1780 | if (done) { |
571ec3d6 FB |
1781 | VMChangeStateEntry *e; |
1782 | ||
c0fe3827 FB |
1783 | if (conf.period.hz <= 0) { |
1784 | if (conf.period.hz < 0) { | |
1785 | dolog ("warning: Timer period is negative - %d " | |
1786 | "treating as zero\n", | |
1787 | conf.period.hz); | |
1788 | } | |
1789 | conf.period.ticks = 1; | |
1d14ffa9 | 1790 | } |
c0fe3827 FB |
1791 | else { |
1792 | conf.period.ticks = ticks_per_sec / conf.period.hz; | |
1793 | } | |
1794 | ||
571ec3d6 FB |
1795 | e = qemu_add_vm_change_state_handler (audio_vm_change_state_handler, s); |
1796 | if (!e) { | |
1797 | dolog ("warning: Could not register change state handler\n" | |
1798 | "(Audio can continue looping even after stopping the VM)\n"); | |
1799 | } | |
1d14ffa9 FB |
1800 | } |
1801 | else { | |
c0fe3827 FB |
1802 | qemu_del_timer (s->ts); |
1803 | return NULL; | |
1d14ffa9 FB |
1804 | } |
1805 | ||
c0fe3827 FB |
1806 | LIST_INIT (&s->card_head); |
1807 | register_savevm ("audio", 0, 1, audio_save, audio_load, s); | |
c0fe3827 FB |
1808 | qemu_mod_timer (s->ts, qemu_get_clock (vm_clock) + conf.period.ticks); |
1809 | return s; | |
85571bc7 | 1810 | } |
8ead62cf | 1811 | |
ec36b695 | 1812 | CaptureVoiceOut *AUD_add_capture ( |
8ead62cf FB |
1813 | AudioState *s, |
1814 | audsettings_t *as, | |
8ead62cf FB |
1815 | struct audio_capture_ops *ops, |
1816 | void *cb_opaque | |
1817 | ) | |
1818 | { | |
1819 | CaptureVoiceOut *cap; | |
1820 | struct capture_callback *cb; | |
1821 | ||
1822 | if (!s) { | |
1823 | /* XXX suppress */ | |
1824 | s = &glob_audio_state; | |
1825 | } | |
1826 | ||
ec36b695 | 1827 | if (audio_validate_settings (as)) { |
8ead62cf FB |
1828 | dolog ("Invalid settings were passed when trying to add capture\n"); |
1829 | audio_print_settings (as); | |
ec36b695 | 1830 | goto err0; |
8ead62cf FB |
1831 | } |
1832 | ||
1833 | cb = audio_calloc (AUDIO_FUNC, 1, sizeof (*cb)); | |
1834 | if (!cb) { | |
1835 | dolog ("Could not allocate capture callback information, size %zu\n", | |
1836 | sizeof (*cb)); | |
1837 | goto err0; | |
1838 | } | |
1839 | cb->ops = *ops; | |
1840 | cb->opaque = cb_opaque; | |
1841 | ||
d929eba5 | 1842 | cap = audio_pcm_capture_find_specific (s, as); |
8ead62cf FB |
1843 | if (cap) { |
1844 | LIST_INSERT_HEAD (&cap->cb_head, cb, entries); | |
ec36b695 | 1845 | return cap; |
8ead62cf FB |
1846 | } |
1847 | else { | |
1848 | HWVoiceOut *hw; | |
1849 | CaptureVoiceOut *cap; | |
1850 | ||
1851 | cap = audio_calloc (AUDIO_FUNC, 1, sizeof (*cap)); | |
1852 | if (!cap) { | |
1853 | dolog ("Could not allocate capture voice, size %zu\n", | |
1854 | sizeof (*cap)); | |
1855 | goto err1; | |
1856 | } | |
1857 | ||
1858 | hw = &cap->hw; | |
1859 | LIST_INIT (&hw->sw_head); | |
1860 | LIST_INIT (&cap->cb_head); | |
1861 | ||
1862 | /* XXX find a more elegant way */ | |
1863 | hw->samples = 4096 * 4; | |
1864 | hw->mix_buf = audio_calloc (AUDIO_FUNC, hw->samples, | |
1865 | sizeof (st_sample_t)); | |
1866 | if (!hw->mix_buf) { | |
1867 | dolog ("Could not allocate capture mix buffer (%d samples)\n", | |
1868 | hw->samples); | |
1869 | goto err2; | |
1870 | } | |
1871 | ||
d929eba5 | 1872 | audio_pcm_init_info (&hw->info, as); |
8ead62cf FB |
1873 | |
1874 | cap->buf = audio_calloc (AUDIO_FUNC, hw->samples, 1 << hw->info.shift); | |
1875 | if (!cap->buf) { | |
1876 | dolog ("Could not allocate capture buffer " | |
1877 | "(%d samples, each %d bytes)\n", | |
1878 | hw->samples, 1 << hw->info.shift); | |
1879 | goto err3; | |
1880 | } | |
1881 | ||
1882 | hw->clip = mixeng_clip | |
1883 | [hw->info.nchannels == 2] | |
1884 | [hw->info.sign] | |
d929eba5 | 1885 | [hw->info.swap_endianness] |
f941aa25 | 1886 | [audio_bits_to_index (hw->info.bits)]; |
8ead62cf FB |
1887 | |
1888 | LIST_INSERT_HEAD (&s->cap_head, cap, entries); | |
1889 | LIST_INSERT_HEAD (&cap->cb_head, cb, entries); | |
1890 | ||
1891 | hw = NULL; | |
1892 | while ((hw = audio_pcm_hw_find_any_out (s, hw))) { | |
1893 | audio_attach_capture (s, hw); | |
1894 | } | |
ec36b695 | 1895 | return cap; |
8ead62cf FB |
1896 | |
1897 | err3: | |
1898 | qemu_free (cap->hw.mix_buf); | |
1899 | err2: | |
1900 | qemu_free (cap); | |
1901 | err1: | |
1902 | qemu_free (cb); | |
1903 | err0: | |
ec36b695 FB |
1904 | return NULL; |
1905 | } | |
1906 | } | |
1907 | ||
1908 | void AUD_del_capture (CaptureVoiceOut *cap, void *cb_opaque) | |
1909 | { | |
1910 | struct capture_callback *cb; | |
1911 | ||
1912 | for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) { | |
1913 | if (cb->opaque == cb_opaque) { | |
1914 | cb->ops.destroy (cb_opaque); | |
1915 | LIST_REMOVE (cb, entries); | |
1916 | qemu_free (cb); | |
1917 | ||
1918 | if (!cap->cb_head.lh_first) { | |
1919 | SWVoiceOut *sw = cap->hw.sw_head.lh_first, *sw1; | |
a3c25997 | 1920 | |
ec36b695 | 1921 | while (sw) { |
a3c25997 | 1922 | SWVoiceCap *sc = (SWVoiceCap *) sw; |
ec36b695 FB |
1923 | #ifdef DEBUG_CAPTURE |
1924 | dolog ("freeing %s\n", sw->name); | |
1925 | #endif | |
a3c25997 | 1926 | |
ec36b695 FB |
1927 | sw1 = sw->entries.le_next; |
1928 | if (sw->rate) { | |
1929 | st_rate_stop (sw->rate); | |
1930 | sw->rate = NULL; | |
1931 | } | |
1932 | LIST_REMOVE (sw, entries); | |
a3c25997 FB |
1933 | LIST_REMOVE (sc, entries); |
1934 | qemu_free (sc); | |
ec36b695 FB |
1935 | sw = sw1; |
1936 | } | |
1937 | LIST_REMOVE (cap, entries); | |
1938 | qemu_free (cap); | |
1939 | } | |
1940 | return; | |
1941 | } | |
8ead62cf FB |
1942 | } |
1943 | } | |
683efdcb AZ |
1944 | |
1945 | void AUD_set_volume_out (SWVoiceOut *sw, int mute, uint8_t lvol, uint8_t rvol) | |
1946 | { | |
1947 | if (sw) { | |
1948 | sw->vol.mute = mute; | |
1949 | sw->vol.l = nominal_volume.l * lvol / 255; | |
1950 | sw->vol.r = nominal_volume.r * rvol / 255; | |
1951 | } | |
1952 | } | |
1953 | ||
1954 | void AUD_set_volume_in (SWVoiceIn *sw, int mute, uint8_t lvol, uint8_t rvol) | |
1955 | { | |
1956 | if (sw) { | |
1957 | sw->vol.mute = mute; | |
1958 | sw->vol.l = nominal_volume.l * lvol / 255; | |
1959 | sw->vol.r = nominal_volume.r * rvol / 255; | |
1960 | } | |
1961 | } |