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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" | |
376253ec | 26 | #include "monitor.h" |
87ecb68b PB |
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; | |
1ea879e5 | 50 | struct audsettings settings; |
c0fe3827 FB |
51 | }; |
52 | ||
53 | static struct { | |
54 | struct fixed_settings fixed_out; | |
55 | struct fixed_settings fixed_in; | |
56 | union { | |
c310de86 | 57 | int hertz; |
c0fe3827 FB |
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 | ||
d64394f7 | 87 | { 250 }, /* period */ |
541e0844 | 88 | 0, /* plive */ |
571ec3d6 | 89 | 0 /* log_to_monitor */ |
1d14ffa9 FB |
90 | }; |
91 | ||
c0fe3827 FB |
92 | static AudioState glob_audio_state; |
93 | ||
1ea879e5 | 94 | struct mixeng_volume nominal_volume = { |
1d14ffa9 FB |
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 | 199 | const char qemu_prefix[] = "QEMU_"; |
090f1fa3 AL |
200 | size_t len, i; |
201 | char *r, *u; | |
85571bc7 | 202 | |
1d14ffa9 FB |
203 | if (!s) { |
204 | return NULL; | |
205 | } | |
85571bc7 | 206 | |
1d14ffa9 | 207 | len = strlen (s); |
a3772d4d | 208 | r = qemu_malloc (len + sizeof (qemu_prefix)); |
85571bc7 | 209 | |
090f1fa3 | 210 | u = r + sizeof (qemu_prefix) - 1; |
85571bc7 | 211 | |
090f1fa3 AL |
212 | pstrcpy (r, len + sizeof (qemu_prefix), qemu_prefix); |
213 | pstrcat (r, len + sizeof (qemu_prefix), s); | |
1d14ffa9 | 214 | |
090f1fa3 AL |
215 | for (i = 0; i < len; ++i) { |
216 | u[i] = qemu_toupper(u[i]); | |
85571bc7 | 217 | } |
090f1fa3 | 218 | |
1d14ffa9 | 219 | return r; |
85571bc7 FB |
220 | } |
221 | ||
9596ebb7 | 222 | static const char *audio_audfmt_to_string (audfmt_e fmt) |
85571bc7 | 223 | { |
1d14ffa9 FB |
224 | switch (fmt) { |
225 | case AUD_FMT_U8: | |
226 | return "U8"; | |
85571bc7 | 227 | |
1d14ffa9 FB |
228 | case AUD_FMT_U16: |
229 | return "U16"; | |
85571bc7 | 230 | |
85571bc7 | 231 | case AUD_FMT_S8: |
1d14ffa9 | 232 | return "S8"; |
85571bc7 FB |
233 | |
234 | case AUD_FMT_S16: | |
1d14ffa9 | 235 | return "S16"; |
f941aa25 TS |
236 | |
237 | case AUD_FMT_U32: | |
238 | return "U32"; | |
239 | ||
240 | case AUD_FMT_S32: | |
241 | return "S32"; | |
85571bc7 FB |
242 | } |
243 | ||
1d14ffa9 FB |
244 | dolog ("Bogus audfmt %d returning S16\n", fmt); |
245 | return "S16"; | |
85571bc7 FB |
246 | } |
247 | ||
9596ebb7 PB |
248 | static audfmt_e audio_string_to_audfmt (const char *s, audfmt_e defval, |
249 | int *defaultp) | |
85571bc7 | 250 | { |
1d14ffa9 FB |
251 | if (!strcasecmp (s, "u8")) { |
252 | *defaultp = 0; | |
253 | return AUD_FMT_U8; | |
254 | } | |
255 | else if (!strcasecmp (s, "u16")) { | |
256 | *defaultp = 0; | |
257 | return AUD_FMT_U16; | |
258 | } | |
f941aa25 TS |
259 | else if (!strcasecmp (s, "u32")) { |
260 | *defaultp = 0; | |
261 | return AUD_FMT_U32; | |
262 | } | |
1d14ffa9 FB |
263 | else if (!strcasecmp (s, "s8")) { |
264 | *defaultp = 0; | |
265 | return AUD_FMT_S8; | |
266 | } | |
267 | else if (!strcasecmp (s, "s16")) { | |
268 | *defaultp = 0; | |
269 | return AUD_FMT_S16; | |
270 | } | |
f941aa25 TS |
271 | else if (!strcasecmp (s, "s32")) { |
272 | *defaultp = 0; | |
273 | return AUD_FMT_S32; | |
274 | } | |
1d14ffa9 FB |
275 | else { |
276 | dolog ("Bogus audio format `%s' using %s\n", | |
277 | s, audio_audfmt_to_string (defval)); | |
278 | *defaultp = 1; | |
279 | return defval; | |
280 | } | |
85571bc7 FB |
281 | } |
282 | ||
1d14ffa9 FB |
283 | static audfmt_e audio_get_conf_fmt (const char *envname, |
284 | audfmt_e defval, | |
285 | int *defaultp) | |
85571bc7 | 286 | { |
1d14ffa9 FB |
287 | const char *var = getenv (envname); |
288 | if (!var) { | |
289 | *defaultp = 1; | |
290 | return defval; | |
85571bc7 | 291 | } |
1d14ffa9 | 292 | return audio_string_to_audfmt (var, defval, defaultp); |
85571bc7 FB |
293 | } |
294 | ||
1d14ffa9 | 295 | static int audio_get_conf_int (const char *key, int defval, int *defaultp) |
85571bc7 | 296 | { |
1d14ffa9 FB |
297 | int val; |
298 | char *strval; | |
85571bc7 | 299 | |
1d14ffa9 FB |
300 | strval = getenv (key); |
301 | if (strval) { | |
302 | *defaultp = 0; | |
303 | val = atoi (strval); | |
304 | return val; | |
305 | } | |
306 | else { | |
307 | *defaultp = 1; | |
308 | return defval; | |
309 | } | |
85571bc7 FB |
310 | } |
311 | ||
1d14ffa9 FB |
312 | static const char *audio_get_conf_str (const char *key, |
313 | const char *defval, | |
314 | int *defaultp) | |
85571bc7 | 315 | { |
1d14ffa9 FB |
316 | const char *val = getenv (key); |
317 | if (!val) { | |
318 | *defaultp = 1; | |
319 | return defval; | |
320 | } | |
321 | else { | |
322 | *defaultp = 0; | |
323 | return val; | |
85571bc7 | 324 | } |
85571bc7 FB |
325 | } |
326 | ||
541e0844 | 327 | void AUD_vlog (const char *cap, const char *fmt, va_list ap) |
85571bc7 | 328 | { |
541e0844 FB |
329 | if (conf.log_to_monitor) { |
330 | if (cap) { | |
376253ec | 331 | monitor_printf(cur_mon, "%s: ", cap); |
541e0844 FB |
332 | } |
333 | ||
376253ec | 334 | monitor_vprintf(cur_mon, fmt, ap); |
541e0844 FB |
335 | } |
336 | else { | |
337 | if (cap) { | |
338 | fprintf (stderr, "%s: ", cap); | |
339 | } | |
340 | ||
341 | vfprintf (stderr, fmt, ap); | |
85571bc7 | 342 | } |
85571bc7 FB |
343 | } |
344 | ||
541e0844 | 345 | void AUD_log (const char *cap, const char *fmt, ...) |
85571bc7 | 346 | { |
541e0844 FB |
347 | va_list ap; |
348 | ||
349 | va_start (ap, fmt); | |
350 | AUD_vlog (cap, fmt, ap); | |
351 | va_end (ap); | |
85571bc7 FB |
352 | } |
353 | ||
1d14ffa9 FB |
354 | static void audio_print_options (const char *prefix, |
355 | struct audio_option *opt) | |
85571bc7 | 356 | { |
1d14ffa9 FB |
357 | char *uprefix; |
358 | ||
359 | if (!prefix) { | |
360 | dolog ("No prefix specified\n"); | |
361 | return; | |
362 | } | |
363 | ||
364 | if (!opt) { | |
365 | dolog ("No options\n"); | |
85571bc7 | 366 | return; |
1d14ffa9 | 367 | } |
85571bc7 | 368 | |
1d14ffa9 | 369 | uprefix = audio_alloc_prefix (prefix); |
85571bc7 | 370 | |
1d14ffa9 FB |
371 | for (; opt->name; opt++) { |
372 | const char *state = "default"; | |
373 | printf (" %s_%s: ", uprefix, opt->name); | |
85571bc7 | 374 | |
fe8f096b | 375 | if (opt->overriddenp && *opt->overriddenp) { |
1d14ffa9 FB |
376 | state = "current"; |
377 | } | |
85571bc7 | 378 | |
1d14ffa9 FB |
379 | switch (opt->tag) { |
380 | case AUD_OPT_BOOL: | |
381 | { | |
382 | int *intp = opt->valp; | |
383 | printf ("boolean, %s = %d\n", state, *intp ? 1 : 0); | |
384 | } | |
385 | break; | |
386 | ||
387 | case AUD_OPT_INT: | |
388 | { | |
389 | int *intp = opt->valp; | |
390 | printf ("integer, %s = %d\n", state, *intp); | |
391 | } | |
392 | break; | |
393 | ||
394 | case AUD_OPT_FMT: | |
395 | { | |
396 | audfmt_e *fmtp = opt->valp; | |
397 | printf ( | |
ca9cc28c | 398 | "format, %s = %s, (one of: U8 S8 U16 S16 U32 S32)\n", |
1d14ffa9 FB |
399 | state, |
400 | audio_audfmt_to_string (*fmtp) | |
401 | ); | |
402 | } | |
403 | break; | |
404 | ||
405 | case AUD_OPT_STR: | |
406 | { | |
407 | const char **strp = opt->valp; | |
408 | printf ("string, %s = %s\n", | |
409 | state, | |
410 | *strp ? *strp : "(not set)"); | |
85571bc7 | 411 | } |
1d14ffa9 FB |
412 | break; |
413 | ||
414 | default: | |
415 | printf ("???\n"); | |
416 | dolog ("Bad value tag for option %s_%s %d\n", | |
417 | uprefix, opt->name, opt->tag); | |
418 | break; | |
85571bc7 | 419 | } |
1d14ffa9 | 420 | printf (" %s\n", opt->descr); |
85571bc7 | 421 | } |
1d14ffa9 FB |
422 | |
423 | qemu_free (uprefix); | |
85571bc7 FB |
424 | } |
425 | ||
1d14ffa9 FB |
426 | static void audio_process_options (const char *prefix, |
427 | struct audio_option *opt) | |
85571bc7 | 428 | { |
1d14ffa9 FB |
429 | char *optname; |
430 | const char qemu_prefix[] = "QEMU_"; | |
363a37d5 | 431 | size_t preflen, optlen; |
85571bc7 | 432 | |
1d14ffa9 FB |
433 | if (audio_bug (AUDIO_FUNC, !prefix)) { |
434 | dolog ("prefix = NULL\n"); | |
435 | return; | |
436 | } | |
85571bc7 | 437 | |
1d14ffa9 FB |
438 | if (audio_bug (AUDIO_FUNC, !opt)) { |
439 | dolog ("opt = NULL\n"); | |
440 | return; | |
85571bc7 | 441 | } |
85571bc7 | 442 | |
1d14ffa9 | 443 | preflen = strlen (prefix); |
85571bc7 | 444 | |
1d14ffa9 FB |
445 | for (; opt->name; opt++) { |
446 | size_t len, i; | |
447 | int def; | |
448 | ||
449 | if (!opt->valp) { | |
450 | dolog ("Option value pointer for `%s' is not set\n", | |
451 | opt->name); | |
452 | continue; | |
453 | } | |
454 | ||
455 | len = strlen (opt->name); | |
c0fe3827 FB |
456 | /* len of opt->name + len of prefix + size of qemu_prefix |
457 | * (includes trailing zero) + zero + underscore (on behalf of | |
458 | * sizeof) */ | |
363a37d5 BS |
459 | optlen = len + preflen + sizeof (qemu_prefix) + 1; |
460 | optname = qemu_malloc (optlen); | |
1d14ffa9 | 461 | |
363a37d5 | 462 | pstrcpy (optname, optlen, qemu_prefix); |
c0fe3827 FB |
463 | |
464 | /* copy while upper-casing, including trailing zero */ | |
1d14ffa9 | 465 | for (i = 0; i <= preflen; ++i) { |
cd390083 | 466 | optname[i + sizeof (qemu_prefix) - 1] = qemu_toupper(prefix[i]); |
1d14ffa9 | 467 | } |
363a37d5 | 468 | pstrcat (optname, optlen, "_"); |
363a37d5 | 469 | pstrcat (optname, optlen, opt->name); |
1d14ffa9 FB |
470 | |
471 | def = 1; | |
472 | switch (opt->tag) { | |
473 | case AUD_OPT_BOOL: | |
474 | case AUD_OPT_INT: | |
475 | { | |
476 | int *intp = opt->valp; | |
477 | *intp = audio_get_conf_int (optname, *intp, &def); | |
478 | } | |
479 | break; | |
480 | ||
481 | case AUD_OPT_FMT: | |
482 | { | |
483 | audfmt_e *fmtp = opt->valp; | |
484 | *fmtp = audio_get_conf_fmt (optname, *fmtp, &def); | |
485 | } | |
486 | break; | |
487 | ||
488 | case AUD_OPT_STR: | |
489 | { | |
490 | const char **strp = opt->valp; | |
491 | *strp = audio_get_conf_str (optname, *strp, &def); | |
492 | } | |
493 | break; | |
494 | ||
495 | default: | |
496 | dolog ("Bad value tag for option `%s' - %d\n", | |
497 | optname, opt->tag); | |
85571bc7 FB |
498 | break; |
499 | } | |
85571bc7 | 500 | |
fe8f096b TS |
501 | if (!opt->overriddenp) { |
502 | opt->overriddenp = &opt->overridden; | |
1d14ffa9 | 503 | } |
fe8f096b | 504 | *opt->overriddenp = !def; |
1d14ffa9 FB |
505 | qemu_free (optname); |
506 | } | |
85571bc7 FB |
507 | } |
508 | ||
1ea879e5 | 509 | static void audio_print_settings (struct audsettings *as) |
c0fe3827 FB |
510 | { |
511 | dolog ("frequency=%d nchannels=%d fmt=", as->freq, as->nchannels); | |
512 | ||
513 | switch (as->fmt) { | |
514 | case AUD_FMT_S8: | |
515 | AUD_log (NULL, "S8"); | |
516 | break; | |
517 | case AUD_FMT_U8: | |
518 | AUD_log (NULL, "U8"); | |
519 | break; | |
520 | case AUD_FMT_S16: | |
521 | AUD_log (NULL, "S16"); | |
522 | break; | |
523 | case AUD_FMT_U16: | |
524 | AUD_log (NULL, "U16"); | |
525 | break; | |
d50997f9 | 526 | case AUD_FMT_S32: |
527 | AUD_log (NULL, "S32"); | |
528 | break; | |
529 | case AUD_FMT_U32: | |
530 | AUD_log (NULL, "U32"); | |
531 | break; | |
c0fe3827 FB |
532 | default: |
533 | AUD_log (NULL, "invalid(%d)", as->fmt); | |
534 | break; | |
535 | } | |
ec36b695 FB |
536 | |
537 | AUD_log (NULL, " endianness="); | |
d929eba5 FB |
538 | switch (as->endianness) { |
539 | case 0: | |
540 | AUD_log (NULL, "little"); | |
541 | break; | |
542 | case 1: | |
543 | AUD_log (NULL, "big"); | |
544 | break; | |
545 | default: | |
546 | AUD_log (NULL, "invalid"); | |
547 | break; | |
548 | } | |
c0fe3827 FB |
549 | AUD_log (NULL, "\n"); |
550 | } | |
551 | ||
1ea879e5 | 552 | static int audio_validate_settings (struct audsettings *as) |
c0fe3827 FB |
553 | { |
554 | int invalid; | |
555 | ||
556 | invalid = as->nchannels != 1 && as->nchannels != 2; | |
d929eba5 | 557 | invalid |= as->endianness != 0 && as->endianness != 1; |
c0fe3827 FB |
558 | |
559 | switch (as->fmt) { | |
560 | case AUD_FMT_S8: | |
561 | case AUD_FMT_U8: | |
562 | case AUD_FMT_S16: | |
563 | case AUD_FMT_U16: | |
f941aa25 TS |
564 | case AUD_FMT_S32: |
565 | case AUD_FMT_U32: | |
c0fe3827 FB |
566 | break; |
567 | default: | |
568 | invalid = 1; | |
569 | break; | |
570 | } | |
571 | ||
572 | invalid |= as->freq <= 0; | |
d929eba5 | 573 | return invalid ? -1 : 0; |
c0fe3827 FB |
574 | } |
575 | ||
1ea879e5 | 576 | static int audio_pcm_info_eq (struct audio_pcm_info *info, struct audsettings *as) |
85571bc7 | 577 | { |
1d14ffa9 | 578 | int bits = 8, sign = 0; |
85571bc7 | 579 | |
c0fe3827 | 580 | switch (as->fmt) { |
1d14ffa9 FB |
581 | case AUD_FMT_S8: |
582 | sign = 1; | |
583 | case AUD_FMT_U8: | |
584 | break; | |
585 | ||
586 | case AUD_FMT_S16: | |
587 | sign = 1; | |
588 | case AUD_FMT_U16: | |
589 | bits = 16; | |
590 | break; | |
f941aa25 TS |
591 | |
592 | case AUD_FMT_S32: | |
593 | sign = 1; | |
594 | case AUD_FMT_U32: | |
595 | bits = 32; | |
596 | break; | |
85571bc7 | 597 | } |
c0fe3827 FB |
598 | return info->freq == as->freq |
599 | && info->nchannels == as->nchannels | |
1d14ffa9 | 600 | && info->sign == sign |
d929eba5 FB |
601 | && info->bits == bits |
602 | && info->swap_endianness == (as->endianness != AUDIO_HOST_ENDIANNESS); | |
1d14ffa9 | 603 | } |
85571bc7 | 604 | |
1ea879e5 | 605 | void audio_pcm_init_info (struct audio_pcm_info *info, struct audsettings *as) |
1d14ffa9 | 606 | { |
f941aa25 | 607 | int bits = 8, sign = 0, shift = 0; |
1d14ffa9 | 608 | |
c0fe3827 | 609 | switch (as->fmt) { |
85571bc7 FB |
610 | case AUD_FMT_S8: |
611 | sign = 1; | |
612 | case AUD_FMT_U8: | |
613 | break; | |
614 | ||
615 | case AUD_FMT_S16: | |
616 | sign = 1; | |
617 | case AUD_FMT_U16: | |
618 | bits = 16; | |
f941aa25 TS |
619 | shift = 1; |
620 | break; | |
621 | ||
622 | case AUD_FMT_S32: | |
623 | sign = 1; | |
624 | case AUD_FMT_U32: | |
625 | bits = 32; | |
626 | shift = 2; | |
85571bc7 FB |
627 | break; |
628 | } | |
629 | ||
c0fe3827 | 630 | info->freq = as->freq; |
1d14ffa9 FB |
631 | info->bits = bits; |
632 | info->sign = sign; | |
c0fe3827 | 633 | info->nchannels = as->nchannels; |
f941aa25 | 634 | info->shift = (as->nchannels == 2) + shift; |
1d14ffa9 FB |
635 | info->align = (1 << info->shift) - 1; |
636 | info->bytes_per_second = info->freq << info->shift; | |
d929eba5 | 637 | info->swap_endianness = (as->endianness != AUDIO_HOST_ENDIANNESS); |
85571bc7 FB |
638 | } |
639 | ||
1d14ffa9 | 640 | void audio_pcm_info_clear_buf (struct audio_pcm_info *info, void *buf, int len) |
85571bc7 | 641 | { |
1d14ffa9 FB |
642 | if (!len) { |
643 | return; | |
644 | } | |
645 | ||
646 | if (info->sign) { | |
e2f909be | 647 | memset (buf, 0x00, len << info->shift); |
85571bc7 FB |
648 | } |
649 | else { | |
f941aa25 TS |
650 | switch (info->bits) { |
651 | case 8: | |
e2f909be | 652 | memset (buf, 0x80, len << info->shift); |
f941aa25 | 653 | break; |
1d14ffa9 | 654 | |
f941aa25 TS |
655 | case 16: |
656 | { | |
657 | int i; | |
658 | uint16_t *p = buf; | |
659 | int shift = info->nchannels - 1; | |
660 | short s = INT16_MAX; | |
661 | ||
662 | if (info->swap_endianness) { | |
663 | s = bswap16 (s); | |
664 | } | |
665 | ||
666 | for (i = 0; i < len << shift; i++) { | |
667 | p[i] = s; | |
668 | } | |
1d14ffa9 | 669 | } |
f941aa25 TS |
670 | break; |
671 | ||
672 | case 32: | |
673 | { | |
674 | int i; | |
675 | uint32_t *p = buf; | |
676 | int shift = info->nchannels - 1; | |
677 | int32_t s = INT32_MAX; | |
678 | ||
679 | if (info->swap_endianness) { | |
680 | s = bswap32 (s); | |
681 | } | |
1d14ffa9 | 682 | |
f941aa25 TS |
683 | for (i = 0; i < len << shift; i++) { |
684 | p[i] = s; | |
685 | } | |
1d14ffa9 | 686 | } |
f941aa25 TS |
687 | break; |
688 | ||
689 | default: | |
690 | AUD_log (NULL, "audio_pcm_info_clear_buf: invalid bits %d\n", | |
691 | info->bits); | |
692 | break; | |
1d14ffa9 | 693 | } |
85571bc7 FB |
694 | } |
695 | } | |
696 | ||
8ead62cf FB |
697 | /* |
698 | * Capture | |
699 | */ | |
1ea879e5 | 700 | static void noop_conv (struct st_sample *dst, const void *src, |
701 | int samples, struct mixeng_volume *vol) | |
8ead62cf FB |
702 | { |
703 | (void) src; | |
704 | (void) dst; | |
705 | (void) samples; | |
706 | (void) vol; | |
707 | } | |
708 | ||
709 | static CaptureVoiceOut *audio_pcm_capture_find_specific ( | |
710 | AudioState *s, | |
1ea879e5 | 711 | struct audsettings *as |
8ead62cf FB |
712 | ) |
713 | { | |
714 | CaptureVoiceOut *cap; | |
8ead62cf FB |
715 | |
716 | for (cap = s->cap_head.lh_first; cap; cap = cap->entries.le_next) { | |
d929eba5 | 717 | if (audio_pcm_info_eq (&cap->hw.info, as)) { |
8ead62cf FB |
718 | return cap; |
719 | } | |
720 | } | |
721 | return NULL; | |
722 | } | |
723 | ||
ec36b695 | 724 | static void audio_notify_capture (CaptureVoiceOut *cap, audcnotification_e cmd) |
8ead62cf | 725 | { |
ec36b695 FB |
726 | struct capture_callback *cb; |
727 | ||
728 | #ifdef DEBUG_CAPTURE | |
729 | dolog ("notification %d sent\n", cmd); | |
730 | #endif | |
731 | for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) { | |
732 | cb->ops.notify (cb->opaque, cmd); | |
733 | } | |
734 | } | |
8ead62cf | 735 | |
ec36b695 FB |
736 | static void audio_capture_maybe_changed (CaptureVoiceOut *cap, int enabled) |
737 | { | |
738 | if (cap->hw.enabled != enabled) { | |
739 | audcnotification_e cmd; | |
8ead62cf | 740 | cap->hw.enabled = enabled; |
ec36b695 FB |
741 | cmd = enabled ? AUD_CNOTIFY_ENABLE : AUD_CNOTIFY_DISABLE; |
742 | audio_notify_capture (cap, cmd); | |
8ead62cf FB |
743 | } |
744 | } | |
745 | ||
746 | static void audio_recalc_and_notify_capture (CaptureVoiceOut *cap) | |
747 | { | |
748 | HWVoiceOut *hw = &cap->hw; | |
749 | SWVoiceOut *sw; | |
750 | int enabled = 0; | |
751 | ||
ec36b695 | 752 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { |
8ead62cf FB |
753 | if (sw->active) { |
754 | enabled = 1; | |
755 | break; | |
756 | } | |
757 | } | |
ec36b695 | 758 | audio_capture_maybe_changed (cap, enabled); |
8ead62cf FB |
759 | } |
760 | ||
761 | static void audio_detach_capture (HWVoiceOut *hw) | |
762 | { | |
ec36b695 FB |
763 | SWVoiceCap *sc = hw->cap_head.lh_first; |
764 | ||
765 | while (sc) { | |
766 | SWVoiceCap *sc1 = sc->entries.le_next; | |
767 | SWVoiceOut *sw = &sc->sw; | |
768 | CaptureVoiceOut *cap = sc->cap; | |
769 | int was_active = sw->active; | |
8ead62cf | 770 | |
8ead62cf FB |
771 | if (sw->rate) { |
772 | st_rate_stop (sw->rate); | |
773 | sw->rate = NULL; | |
774 | } | |
775 | ||
776 | LIST_REMOVE (sw, entries); | |
ec36b695 FB |
777 | LIST_REMOVE (sc, entries); |
778 | qemu_free (sc); | |
779 | if (was_active) { | |
780 | /* We have removed soft voice from the capture: | |
781 | this might have changed the overall status of the capture | |
782 | since this might have been the only active voice */ | |
783 | audio_recalc_and_notify_capture (cap); | |
784 | } | |
785 | sc = sc1; | |
8ead62cf FB |
786 | } |
787 | } | |
788 | ||
789 | static int audio_attach_capture (AudioState *s, HWVoiceOut *hw) | |
790 | { | |
791 | CaptureVoiceOut *cap; | |
792 | ||
793 | audio_detach_capture (hw); | |
794 | for (cap = s->cap_head.lh_first; cap; cap = cap->entries.le_next) { | |
ec36b695 | 795 | SWVoiceCap *sc; |
8ead62cf | 796 | SWVoiceOut *sw; |
ec36b695 | 797 | HWVoiceOut *hw_cap = &cap->hw; |
8ead62cf | 798 | |
ec36b695 FB |
799 | sc = audio_calloc (AUDIO_FUNC, 1, sizeof (*sc)); |
800 | if (!sc) { | |
8ead62cf | 801 | dolog ("Could not allocate soft capture voice (%zu bytes)\n", |
ec36b695 | 802 | sizeof (*sc)); |
8ead62cf FB |
803 | return -1; |
804 | } | |
805 | ||
ec36b695 FB |
806 | sc->cap = cap; |
807 | sw = &sc->sw; | |
8ead62cf | 808 | sw->hw = hw_cap; |
ec36b695 | 809 | sw->info = hw->info; |
8ead62cf FB |
810 | sw->empty = 1; |
811 | sw->active = hw->enabled; | |
812 | sw->conv = noop_conv; | |
813 | sw->ratio = ((int64_t) hw_cap->info.freq << 32) / sw->info.freq; | |
814 | sw->rate = st_rate_start (sw->info.freq, hw_cap->info.freq); | |
815 | if (!sw->rate) { | |
816 | dolog ("Could not start rate conversion for `%s'\n", SW_NAME (sw)); | |
817 | qemu_free (sw); | |
818 | return -1; | |
819 | } | |
820 | LIST_INSERT_HEAD (&hw_cap->sw_head, sw, entries); | |
ec36b695 FB |
821 | LIST_INSERT_HEAD (&hw->cap_head, sc, entries); |
822 | #ifdef DEBUG_CAPTURE | |
823 | asprintf (&sw->name, "for %p %d,%d,%d", | |
824 | hw, sw->info.freq, sw->info.bits, sw->info.nchannels); | |
825 | dolog ("Added %s active = %d\n", sw->name, sw->active); | |
826 | #endif | |
8ead62cf | 827 | if (sw->active) { |
ec36b695 | 828 | audio_capture_maybe_changed (cap, 1); |
8ead62cf FB |
829 | } |
830 | } | |
831 | return 0; | |
832 | } | |
833 | ||
1d14ffa9 FB |
834 | /* |
835 | * Hard voice (capture) | |
836 | */ | |
c0fe3827 | 837 | static int audio_pcm_hw_find_min_in (HWVoiceIn *hw) |
85571bc7 | 838 | { |
1d14ffa9 FB |
839 | SWVoiceIn *sw; |
840 | int m = hw->total_samples_captured; | |
841 | ||
842 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { | |
843 | if (sw->active) { | |
844 | m = audio_MIN (m, sw->total_hw_samples_acquired); | |
845 | } | |
85571bc7 | 846 | } |
1d14ffa9 | 847 | return m; |
85571bc7 FB |
848 | } |
849 | ||
1d14ffa9 | 850 | int audio_pcm_hw_get_live_in (HWVoiceIn *hw) |
85571bc7 | 851 | { |
1d14ffa9 FB |
852 | int live = hw->total_samples_captured - audio_pcm_hw_find_min_in (hw); |
853 | if (audio_bug (AUDIO_FUNC, live < 0 || live > hw->samples)) { | |
854 | dolog ("live=%d hw->samples=%d\n", live, hw->samples); | |
855 | return 0; | |
85571bc7 | 856 | } |
1d14ffa9 | 857 | return live; |
85571bc7 FB |
858 | } |
859 | ||
1d14ffa9 FB |
860 | /* |
861 | * Soft voice (capture) | |
862 | */ | |
1d14ffa9 FB |
863 | static int audio_pcm_sw_get_rpos_in (SWVoiceIn *sw) |
864 | { | |
865 | HWVoiceIn *hw = sw->hw; | |
866 | int live = hw->total_samples_captured - sw->total_hw_samples_acquired; | |
867 | int rpos; | |
868 | ||
869 | if (audio_bug (AUDIO_FUNC, live < 0 || live > hw->samples)) { | |
870 | dolog ("live=%d hw->samples=%d\n", live, hw->samples); | |
871 | return 0; | |
872 | } | |
873 | ||
874 | rpos = hw->wpos - live; | |
875 | if (rpos >= 0) { | |
876 | return rpos; | |
85571bc7 FB |
877 | } |
878 | else { | |
1d14ffa9 | 879 | return hw->samples + rpos; |
85571bc7 | 880 | } |
85571bc7 FB |
881 | } |
882 | ||
1d14ffa9 | 883 | int audio_pcm_sw_read (SWVoiceIn *sw, void *buf, int size) |
85571bc7 | 884 | { |
1d14ffa9 FB |
885 | HWVoiceIn *hw = sw->hw; |
886 | int samples, live, ret = 0, swlim, isamp, osamp, rpos, total = 0; | |
1ea879e5 | 887 | struct st_sample *src, *dst = sw->buf; |
1d14ffa9 FB |
888 | |
889 | rpos = audio_pcm_sw_get_rpos_in (sw) % hw->samples; | |
890 | ||
891 | live = hw->total_samples_captured - sw->total_hw_samples_acquired; | |
892 | if (audio_bug (AUDIO_FUNC, live < 0 || live > hw->samples)) { | |
893 | dolog ("live_in=%d hw->samples=%d\n", live, hw->samples); | |
894 | return 0; | |
895 | } | |
896 | ||
897 | samples = size >> sw->info.shift; | |
898 | if (!live) { | |
899 | return 0; | |
900 | } | |
85571bc7 | 901 | |
1d14ffa9 FB |
902 | swlim = (live * sw->ratio) >> 32; |
903 | swlim = audio_MIN (swlim, samples); | |
85571bc7 | 904 | |
1d14ffa9 FB |
905 | while (swlim) { |
906 | src = hw->conv_buf + rpos; | |
907 | isamp = hw->wpos - rpos; | |
908 | /* XXX: <= ? */ | |
909 | if (isamp <= 0) { | |
910 | isamp = hw->samples - rpos; | |
911 | } | |
85571bc7 | 912 | |
1d14ffa9 FB |
913 | if (!isamp) { |
914 | break; | |
915 | } | |
916 | osamp = swlim; | |
85571bc7 | 917 | |
1d14ffa9 FB |
918 | if (audio_bug (AUDIO_FUNC, osamp < 0)) { |
919 | dolog ("osamp=%d\n", osamp); | |
c0fe3827 | 920 | return 0; |
1d14ffa9 | 921 | } |
85571bc7 | 922 | |
1d14ffa9 FB |
923 | st_rate_flow (sw->rate, src, dst, &isamp, &osamp); |
924 | swlim -= osamp; | |
925 | rpos = (rpos + isamp) % hw->samples; | |
926 | dst += osamp; | |
927 | ret += osamp; | |
928 | total += isamp; | |
929 | } | |
85571bc7 | 930 | |
571ec3d6 | 931 | sw->clip (buf, sw->buf, ret); |
1d14ffa9 FB |
932 | sw->total_hw_samples_acquired += total; |
933 | return ret << sw->info.shift; | |
85571bc7 FB |
934 | } |
935 | ||
1d14ffa9 FB |
936 | /* |
937 | * Hard voice (playback) | |
938 | */ | |
c0fe3827 | 939 | static int audio_pcm_hw_find_min_out (HWVoiceOut *hw, int *nb_livep) |
1d14ffa9 | 940 | { |
c0fe3827 FB |
941 | SWVoiceOut *sw; |
942 | int m = INT_MAX; | |
943 | int nb_live = 0; | |
85571bc7 | 944 | |
c0fe3827 FB |
945 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { |
946 | if (sw->active || !sw->empty) { | |
947 | m = audio_MIN (m, sw->total_hw_samples_mixed); | |
948 | nb_live += 1; | |
949 | } | |
85571bc7 | 950 | } |
c0fe3827 FB |
951 | |
952 | *nb_livep = nb_live; | |
953 | return m; | |
1d14ffa9 | 954 | } |
85571bc7 | 955 | |
1d14ffa9 FB |
956 | int audio_pcm_hw_get_live_out2 (HWVoiceOut *hw, int *nb_live) |
957 | { | |
958 | int smin; | |
85571bc7 | 959 | |
1d14ffa9 FB |
960 | smin = audio_pcm_hw_find_min_out (hw, nb_live); |
961 | ||
962 | if (!*nb_live) { | |
963 | return 0; | |
85571bc7 FB |
964 | } |
965 | else { | |
1d14ffa9 FB |
966 | int live = smin; |
967 | ||
968 | if (audio_bug (AUDIO_FUNC, live < 0 || live > hw->samples)) { | |
969 | dolog ("live=%d hw->samples=%d\n", live, hw->samples); | |
970 | return 0; | |
85571bc7 | 971 | } |
1d14ffa9 | 972 | return live; |
85571bc7 | 973 | } |
1d14ffa9 FB |
974 | } |
975 | ||
976 | int audio_pcm_hw_get_live_out (HWVoiceOut *hw) | |
977 | { | |
978 | int nb_live; | |
979 | int live; | |
85571bc7 | 980 | |
1d14ffa9 FB |
981 | live = audio_pcm_hw_get_live_out2 (hw, &nb_live); |
982 | if (audio_bug (AUDIO_FUNC, live < 0 || live > hw->samples)) { | |
983 | dolog ("live=%d hw->samples=%d\n", live, hw->samples); | |
984 | return 0; | |
85571bc7 | 985 | } |
1d14ffa9 | 986 | return live; |
85571bc7 FB |
987 | } |
988 | ||
1d14ffa9 FB |
989 | /* |
990 | * Soft voice (playback) | |
991 | */ | |
1d14ffa9 | 992 | int audio_pcm_sw_write (SWVoiceOut *sw, void *buf, int size) |
85571bc7 | 993 | { |
1d14ffa9 FB |
994 | int hwsamples, samples, isamp, osamp, wpos, live, dead, left, swlim, blck; |
995 | int ret = 0, pos = 0, total = 0; | |
85571bc7 | 996 | |
1d14ffa9 FB |
997 | if (!sw) { |
998 | return size; | |
999 | } | |
85571bc7 | 1000 | |
1d14ffa9 | 1001 | hwsamples = sw->hw->samples; |
85571bc7 | 1002 | |
1d14ffa9 FB |
1003 | live = sw->total_hw_samples_mixed; |
1004 | if (audio_bug (AUDIO_FUNC, live < 0 || live > hwsamples)){ | |
1005 | dolog ("live=%d hw->samples=%d\n", live, hwsamples); | |
1006 | return 0; | |
1007 | } | |
85571bc7 | 1008 | |
1d14ffa9 | 1009 | if (live == hwsamples) { |
ec36b695 FB |
1010 | #ifdef DEBUG_OUT |
1011 | dolog ("%s is full %d\n", sw->name, live); | |
1012 | #endif | |
1d14ffa9 FB |
1013 | return 0; |
1014 | } | |
85571bc7 | 1015 | |
1d14ffa9 FB |
1016 | wpos = (sw->hw->rpos + live) % hwsamples; |
1017 | samples = size >> sw->info.shift; | |
85571bc7 | 1018 | |
1d14ffa9 FB |
1019 | dead = hwsamples - live; |
1020 | swlim = ((int64_t) dead << 32) / sw->ratio; | |
1021 | swlim = audio_MIN (swlim, samples); | |
1022 | if (swlim) { | |
1023 | sw->conv (sw->buf, buf, swlim, &sw->vol); | |
1024 | } | |
1025 | ||
1026 | while (swlim) { | |
1027 | dead = hwsamples - live; | |
1028 | left = hwsamples - wpos; | |
1029 | blck = audio_MIN (dead, left); | |
1030 | if (!blck) { | |
1031 | break; | |
1032 | } | |
1033 | isamp = swlim; | |
1034 | osamp = blck; | |
1035 | st_rate_flow_mix ( | |
1036 | sw->rate, | |
1037 | sw->buf + pos, | |
1038 | sw->hw->mix_buf + wpos, | |
1039 | &isamp, | |
1040 | &osamp | |
1041 | ); | |
1042 | ret += isamp; | |
1043 | swlim -= isamp; | |
1044 | pos += isamp; | |
1045 | live += osamp; | |
1046 | wpos = (wpos + osamp) % hwsamples; | |
1047 | total += osamp; | |
1048 | } | |
1049 | ||
1050 | sw->total_hw_samples_mixed += total; | |
1051 | sw->empty = sw->total_hw_samples_mixed == 0; | |
1052 | ||
1053 | #ifdef DEBUG_OUT | |
1054 | dolog ( | |
c0fe3827 FB |
1055 | "%s: write size %d ret %d total sw %d\n", |
1056 | SW_NAME (sw), | |
1d14ffa9 FB |
1057 | size >> sw->info.shift, |
1058 | ret, | |
c0fe3827 | 1059 | sw->total_hw_samples_mixed |
1d14ffa9 FB |
1060 | ); |
1061 | #endif | |
1062 | ||
1063 | return ret << sw->info.shift; | |
85571bc7 FB |
1064 | } |
1065 | ||
1d14ffa9 FB |
1066 | #ifdef DEBUG_AUDIO |
1067 | static void audio_pcm_print_info (const char *cap, struct audio_pcm_info *info) | |
85571bc7 | 1068 | { |
1d14ffa9 FB |
1069 | dolog ("%s: bits %d, sign %d, freq %d, nchan %d\n", |
1070 | cap, info->bits, info->sign, info->freq, info->nchannels); | |
85571bc7 | 1071 | } |
1d14ffa9 | 1072 | #endif |
85571bc7 | 1073 | |
1d14ffa9 FB |
1074 | #define DAC |
1075 | #include "audio_template.h" | |
1076 | #undef DAC | |
1077 | #include "audio_template.h" | |
1078 | ||
1079 | int AUD_write (SWVoiceOut *sw, void *buf, int size) | |
85571bc7 | 1080 | { |
1d14ffa9 | 1081 | int bytes; |
85571bc7 | 1082 | |
1d14ffa9 FB |
1083 | if (!sw) { |
1084 | /* XXX: Consider options */ | |
1085 | return size; | |
1086 | } | |
85571bc7 | 1087 | |
1d14ffa9 | 1088 | if (!sw->hw->enabled) { |
c0fe3827 | 1089 | dolog ("Writing to disabled voice %s\n", SW_NAME (sw)); |
85571bc7 FB |
1090 | return 0; |
1091 | } | |
1092 | ||
1d14ffa9 FB |
1093 | bytes = sw->hw->pcm_ops->write (sw, buf, size); |
1094 | return bytes; | |
1095 | } | |
1096 | ||
1097 | int AUD_read (SWVoiceIn *sw, void *buf, int size) | |
1098 | { | |
1099 | int bytes; | |
85571bc7 | 1100 | |
1d14ffa9 FB |
1101 | if (!sw) { |
1102 | /* XXX: Consider options */ | |
1103 | return size; | |
85571bc7 | 1104 | } |
1d14ffa9 FB |
1105 | |
1106 | if (!sw->hw->enabled) { | |
c0fe3827 | 1107 | dolog ("Reading from disabled voice %s\n", SW_NAME (sw)); |
1d14ffa9 | 1108 | return 0; |
85571bc7 | 1109 | } |
1d14ffa9 FB |
1110 | |
1111 | bytes = sw->hw->pcm_ops->read (sw, buf, size); | |
1112 | return bytes; | |
85571bc7 FB |
1113 | } |
1114 | ||
1d14ffa9 | 1115 | int AUD_get_buffer_size_out (SWVoiceOut *sw) |
85571bc7 | 1116 | { |
c0fe3827 | 1117 | return sw->hw->samples << sw->hw->info.shift; |
1d14ffa9 FB |
1118 | } |
1119 | ||
1120 | void AUD_set_active_out (SWVoiceOut *sw, int on) | |
1121 | { | |
1122 | HWVoiceOut *hw; | |
85571bc7 | 1123 | |
1d14ffa9 | 1124 | if (!sw) { |
85571bc7 | 1125 | return; |
1d14ffa9 | 1126 | } |
85571bc7 FB |
1127 | |
1128 | hw = sw->hw; | |
1d14ffa9 | 1129 | if (sw->active != on) { |
978dd635 | 1130 | AudioState *s = &glob_audio_state; |
1d14ffa9 | 1131 | SWVoiceOut *temp_sw; |
ec36b695 | 1132 | SWVoiceCap *sc; |
1d14ffa9 FB |
1133 | |
1134 | if (on) { | |
1d14ffa9 FB |
1135 | hw->pending_disable = 0; |
1136 | if (!hw->enabled) { | |
1137 | hw->enabled = 1; | |
978dd635 | 1138 | if (s->vm_running) { |
1139 | hw->pcm_ops->ctl_out (hw, VOICE_ENABLE); | |
1140 | } | |
1d14ffa9 | 1141 | } |
1d14ffa9 FB |
1142 | } |
1143 | else { | |
1144 | if (hw->enabled) { | |
1145 | int nb_active = 0; | |
1146 | ||
1147 | for (temp_sw = hw->sw_head.lh_first; temp_sw; | |
1148 | temp_sw = temp_sw->entries.le_next) { | |
1149 | nb_active += temp_sw->active != 0; | |
1150 | } | |
1151 | ||
1152 | hw->pending_disable = nb_active == 1; | |
1153 | } | |
85571bc7 | 1154 | } |
ec36b695 FB |
1155 | |
1156 | for (sc = hw->cap_head.lh_first; sc; sc = sc->entries.le_next) { | |
1157 | sc->sw.active = hw->enabled; | |
8ead62cf | 1158 | if (hw->enabled) { |
ec36b695 | 1159 | audio_capture_maybe_changed (sc->cap, 1); |
8ead62cf FB |
1160 | } |
1161 | } | |
1d14ffa9 FB |
1162 | sw->active = on; |
1163 | } | |
1164 | } | |
1165 | ||
1166 | void AUD_set_active_in (SWVoiceIn *sw, int on) | |
1167 | { | |
1168 | HWVoiceIn *hw; | |
1169 | ||
1170 | if (!sw) { | |
1171 | return; | |
85571bc7 FB |
1172 | } |
1173 | ||
1d14ffa9 | 1174 | hw = sw->hw; |
85571bc7 | 1175 | if (sw->active != on) { |
978dd635 | 1176 | AudioState *s = &glob_audio_state; |
1d14ffa9 FB |
1177 | SWVoiceIn *temp_sw; |
1178 | ||
85571bc7 | 1179 | if (on) { |
85571bc7 FB |
1180 | if (!hw->enabled) { |
1181 | hw->enabled = 1; | |
978dd635 | 1182 | if (s->vm_running) { |
1183 | hw->pcm_ops->ctl_in (hw, VOICE_ENABLE); | |
1184 | } | |
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); | |
1ea879e5 | 1444 | struct st_sample *src; |
8ead62cf FB |
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 */ | |
c310de86 | 1522 | {"TIMER_PERIOD", AUD_OPT_INT, &conf.period.hertz, |
c0fe3827 | 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); | |
b1503cda | 1558 | for (i = 0; i < ARRAY_SIZE (drvtab); i++) { |
1d14ffa9 FB |
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 | ||
b1503cda | 1571 | for (i = 0; i < ARRAY_SIZE (drvtab); i++) { |
1d14ffa9 FB |
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 | ||
9781e040 AL |
1624 | static void audio_vm_change_state_handler (void *opaque, int running, |
1625 | int reason) | |
85571bc7 | 1626 | { |
c0fe3827 | 1627 | AudioState *s = opaque; |
1d14ffa9 FB |
1628 | HWVoiceOut *hwo = NULL; |
1629 | HWVoiceIn *hwi = NULL; | |
541e0844 | 1630 | int op = running ? VOICE_ENABLE : VOICE_DISABLE; |
1d14ffa9 | 1631 | |
978dd635 | 1632 | s->vm_running = running; |
541e0844 FB |
1633 | while ((hwo = audio_pcm_hw_find_any_enabled_out (s, hwo))) { |
1634 | hwo->pcm_ops->ctl_out (hwo, op); | |
1d14ffa9 | 1635 | } |
85571bc7 | 1636 | |
541e0844 FB |
1637 | while ((hwi = audio_pcm_hw_find_any_enabled_in (s, hwi))) { |
1638 | hwi->pcm_ops->ctl_in (hwi, op); | |
85571bc7 FB |
1639 | } |
1640 | } | |
1641 | ||
1642 | static void audio_atexit (void) | |
1643 | { | |
c0fe3827 | 1644 | AudioState *s = &glob_audio_state; |
1d14ffa9 FB |
1645 | HWVoiceOut *hwo = NULL; |
1646 | HWVoiceIn *hwi = NULL; | |
1647 | ||
571ec3d6 | 1648 | while ((hwo = audio_pcm_hw_find_any_enabled_out (s, hwo))) { |
ec36b695 | 1649 | SWVoiceCap *sc; |
8ead62cf | 1650 | |
571ec3d6 | 1651 | hwo->pcm_ops->ctl_out (hwo, VOICE_DISABLE); |
1d14ffa9 | 1652 | hwo->pcm_ops->fini_out (hwo); |
8ead62cf | 1653 | |
ec36b695 FB |
1654 | for (sc = hwo->cap_head.lh_first; sc; sc = sc->entries.le_next) { |
1655 | CaptureVoiceOut *cap = sc->cap; | |
1656 | struct capture_callback *cb; | |
1657 | ||
1658 | for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) { | |
1659 | cb->ops.destroy (cb->opaque); | |
1660 | } | |
8ead62cf | 1661 | } |
1d14ffa9 | 1662 | } |
85571bc7 | 1663 | |
571ec3d6 FB |
1664 | while ((hwi = audio_pcm_hw_find_any_enabled_in (s, hwi))) { |
1665 | hwi->pcm_ops->ctl_in (hwi, VOICE_DISABLE); | |
1d14ffa9 | 1666 | hwi->pcm_ops->fini_in (hwi); |
85571bc7 | 1667 | } |
c0fe3827 FB |
1668 | |
1669 | if (s->drv) { | |
1670 | s->drv->fini (s->drv_opaque); | |
1671 | } | |
85571bc7 FB |
1672 | } |
1673 | ||
1674 | static void audio_save (QEMUFile *f, void *opaque) | |
1675 | { | |
1d14ffa9 FB |
1676 | (void) f; |
1677 | (void) opaque; | |
85571bc7 FB |
1678 | } |
1679 | ||
1680 | static int audio_load (QEMUFile *f, void *opaque, int version_id) | |
1681 | { | |
1d14ffa9 FB |
1682 | (void) f; |
1683 | (void) opaque; | |
1684 | ||
1685 | if (version_id != 1) { | |
85571bc7 | 1686 | return -EINVAL; |
1d14ffa9 | 1687 | } |
85571bc7 FB |
1688 | |
1689 | return 0; | |
1690 | } | |
1691 | ||
c0fe3827 FB |
1692 | void AUD_register_card (AudioState *s, const char *name, QEMUSoundCard *card) |
1693 | { | |
1694 | card->audio = s; | |
1695 | card->name = qemu_strdup (name); | |
1696 | memset (&card->entries, 0, sizeof (card->entries)); | |
1697 | LIST_INSERT_HEAD (&s->card_head, card, entries); | |
1698 | } | |
1699 | ||
1700 | void AUD_remove_card (QEMUSoundCard *card) | |
1701 | { | |
1702 | LIST_REMOVE (card, entries); | |
1703 | card->audio = NULL; | |
1704 | qemu_free (card->name); | |
1705 | } | |
1706 | ||
1707 | AudioState *AUD_init (void) | |
85571bc7 | 1708 | { |
1d14ffa9 | 1709 | size_t i; |
85571bc7 FB |
1710 | int done = 0; |
1711 | const char *drvname; | |
c0fe3827 | 1712 | AudioState *s = &glob_audio_state; |
1d14ffa9 | 1713 | |
571ec3d6 FB |
1714 | LIST_INIT (&s->hw_head_out); |
1715 | LIST_INIT (&s->hw_head_in); | |
8ead62cf | 1716 | LIST_INIT (&s->cap_head); |
571ec3d6 FB |
1717 | atexit (audio_atexit); |
1718 | ||
1719 | s->ts = qemu_new_timer (vm_clock, audio_timer, s); | |
1720 | if (!s->ts) { | |
1721 | dolog ("Could not create audio timer\n"); | |
1722 | return NULL; | |
1723 | } | |
1724 | ||
1d14ffa9 FB |
1725 | audio_process_options ("AUDIO", audio_options); |
1726 | ||
c0fe3827 FB |
1727 | s->nb_hw_voices_out = conf.fixed_out.nb_voices; |
1728 | s->nb_hw_voices_in = conf.fixed_in.nb_voices; | |
1729 | ||
1d14ffa9 | 1730 | if (s->nb_hw_voices_out <= 0) { |
571ec3d6 | 1731 | dolog ("Bogus number of playback voices %d, setting to 1\n", |
1d14ffa9 FB |
1732 | s->nb_hw_voices_out); |
1733 | s->nb_hw_voices_out = 1; | |
1734 | } | |
1735 | ||
1736 | if (s->nb_hw_voices_in <= 0) { | |
571ec3d6 | 1737 | dolog ("Bogus number of capture voices %d, setting to 0\n", |
1d14ffa9 | 1738 | s->nb_hw_voices_in); |
571ec3d6 | 1739 | s->nb_hw_voices_in = 0; |
1d14ffa9 | 1740 | } |
85571bc7 | 1741 | |
1d14ffa9 FB |
1742 | { |
1743 | int def; | |
1744 | drvname = audio_get_conf_str ("QEMU_AUDIO_DRV", NULL, &def); | |
1745 | } | |
85571bc7 | 1746 | |
85571bc7 FB |
1747 | if (drvname) { |
1748 | int found = 0; | |
1d14ffa9 | 1749 | |
b1503cda | 1750 | for (i = 0; i < ARRAY_SIZE (drvtab); i++) { |
85571bc7 | 1751 | if (!strcmp (drvname, drvtab[i]->name)) { |
c0fe3827 | 1752 | done = !audio_driver_init (s, drvtab[i]); |
85571bc7 FB |
1753 | found = 1; |
1754 | break; | |
1755 | } | |
1756 | } | |
1d14ffa9 | 1757 | |
85571bc7 FB |
1758 | if (!found) { |
1759 | dolog ("Unknown audio driver `%s'\n", drvname); | |
1d14ffa9 | 1760 | dolog ("Run with -audio-help to list available drivers\n"); |
85571bc7 FB |
1761 | } |
1762 | } | |
1763 | ||
85571bc7 | 1764 | if (!done) { |
b1503cda | 1765 | for (i = 0; !done && i < ARRAY_SIZE (drvtab); i++) { |
1d14ffa9 | 1766 | if (drvtab[i]->can_be_default) { |
c0fe3827 | 1767 | done = !audio_driver_init (s, drvtab[i]); |
1d14ffa9 | 1768 | } |
85571bc7 FB |
1769 | } |
1770 | } | |
1771 | ||
85571bc7 | 1772 | if (!done) { |
c0fe3827 FB |
1773 | done = !audio_driver_init (s, &no_audio_driver); |
1774 | if (!done) { | |
1775 | dolog ("Could not initialize audio subsystem\n"); | |
1d14ffa9 FB |
1776 | } |
1777 | else { | |
c0fe3827 | 1778 | dolog ("warning: Using timer based audio emulation\n"); |
1d14ffa9 | 1779 | } |
85571bc7 | 1780 | } |
1d14ffa9 | 1781 | |
c0fe3827 | 1782 | if (done) { |
571ec3d6 FB |
1783 | VMChangeStateEntry *e; |
1784 | ||
c310de86 | 1785 | if (conf.period.hertz <= 0) { |
1786 | if (conf.period.hertz < 0) { | |
c0fe3827 FB |
1787 | dolog ("warning: Timer period is negative - %d " |
1788 | "treating as zero\n", | |
c310de86 | 1789 | conf.period.hertz); |
c0fe3827 FB |
1790 | } |
1791 | conf.period.ticks = 1; | |
1d14ffa9 | 1792 | } |
c0fe3827 | 1793 | else { |
c310de86 | 1794 | conf.period.ticks = ticks_per_sec / conf.period.hertz; |
c0fe3827 FB |
1795 | } |
1796 | ||
571ec3d6 FB |
1797 | e = qemu_add_vm_change_state_handler (audio_vm_change_state_handler, s); |
1798 | if (!e) { | |
1799 | dolog ("warning: Could not register change state handler\n" | |
1800 | "(Audio can continue looping even after stopping the VM)\n"); | |
1801 | } | |
1d14ffa9 FB |
1802 | } |
1803 | else { | |
c0fe3827 FB |
1804 | qemu_del_timer (s->ts); |
1805 | return NULL; | |
1d14ffa9 FB |
1806 | } |
1807 | ||
c0fe3827 FB |
1808 | LIST_INIT (&s->card_head); |
1809 | register_savevm ("audio", 0, 1, audio_save, audio_load, s); | |
c0fe3827 FB |
1810 | qemu_mod_timer (s->ts, qemu_get_clock (vm_clock) + conf.period.ticks); |
1811 | return s; | |
85571bc7 | 1812 | } |
8ead62cf | 1813 | |
ec36b695 | 1814 | CaptureVoiceOut *AUD_add_capture ( |
8ead62cf | 1815 | AudioState *s, |
1ea879e5 | 1816 | struct audsettings *as, |
8ead62cf FB |
1817 | struct audio_capture_ops *ops, |
1818 | void *cb_opaque | |
1819 | ) | |
1820 | { | |
1821 | CaptureVoiceOut *cap; | |
1822 | struct capture_callback *cb; | |
1823 | ||
1824 | if (!s) { | |
1825 | /* XXX suppress */ | |
1826 | s = &glob_audio_state; | |
1827 | } | |
1828 | ||
ec36b695 | 1829 | if (audio_validate_settings (as)) { |
8ead62cf FB |
1830 | dolog ("Invalid settings were passed when trying to add capture\n"); |
1831 | audio_print_settings (as); | |
ec36b695 | 1832 | goto err0; |
8ead62cf FB |
1833 | } |
1834 | ||
1835 | cb = audio_calloc (AUDIO_FUNC, 1, sizeof (*cb)); | |
1836 | if (!cb) { | |
1837 | dolog ("Could not allocate capture callback information, size %zu\n", | |
1838 | sizeof (*cb)); | |
1839 | goto err0; | |
1840 | } | |
1841 | cb->ops = *ops; | |
1842 | cb->opaque = cb_opaque; | |
1843 | ||
d929eba5 | 1844 | cap = audio_pcm_capture_find_specific (s, as); |
8ead62cf FB |
1845 | if (cap) { |
1846 | LIST_INSERT_HEAD (&cap->cb_head, cb, entries); | |
ec36b695 | 1847 | return cap; |
8ead62cf FB |
1848 | } |
1849 | else { | |
1850 | HWVoiceOut *hw; | |
1851 | CaptureVoiceOut *cap; | |
1852 | ||
1853 | cap = audio_calloc (AUDIO_FUNC, 1, sizeof (*cap)); | |
1854 | if (!cap) { | |
1855 | dolog ("Could not allocate capture voice, size %zu\n", | |
1856 | sizeof (*cap)); | |
1857 | goto err1; | |
1858 | } | |
1859 | ||
1860 | hw = &cap->hw; | |
1861 | LIST_INIT (&hw->sw_head); | |
1862 | LIST_INIT (&cap->cb_head); | |
1863 | ||
1864 | /* XXX find a more elegant way */ | |
1865 | hw->samples = 4096 * 4; | |
1866 | hw->mix_buf = audio_calloc (AUDIO_FUNC, hw->samples, | |
1ea879e5 | 1867 | sizeof (struct st_sample)); |
8ead62cf FB |
1868 | if (!hw->mix_buf) { |
1869 | dolog ("Could not allocate capture mix buffer (%d samples)\n", | |
1870 | hw->samples); | |
1871 | goto err2; | |
1872 | } | |
1873 | ||
d929eba5 | 1874 | audio_pcm_init_info (&hw->info, as); |
8ead62cf FB |
1875 | |
1876 | cap->buf = audio_calloc (AUDIO_FUNC, hw->samples, 1 << hw->info.shift); | |
1877 | if (!cap->buf) { | |
1878 | dolog ("Could not allocate capture buffer " | |
1879 | "(%d samples, each %d bytes)\n", | |
1880 | hw->samples, 1 << hw->info.shift); | |
1881 | goto err3; | |
1882 | } | |
1883 | ||
1884 | hw->clip = mixeng_clip | |
1885 | [hw->info.nchannels == 2] | |
1886 | [hw->info.sign] | |
d929eba5 | 1887 | [hw->info.swap_endianness] |
f941aa25 | 1888 | [audio_bits_to_index (hw->info.bits)]; |
8ead62cf FB |
1889 | |
1890 | LIST_INSERT_HEAD (&s->cap_head, cap, entries); | |
1891 | LIST_INSERT_HEAD (&cap->cb_head, cb, entries); | |
1892 | ||
1893 | hw = NULL; | |
1894 | while ((hw = audio_pcm_hw_find_any_out (s, hw))) { | |
1895 | audio_attach_capture (s, hw); | |
1896 | } | |
ec36b695 | 1897 | return cap; |
8ead62cf FB |
1898 | |
1899 | err3: | |
1900 | qemu_free (cap->hw.mix_buf); | |
1901 | err2: | |
1902 | qemu_free (cap); | |
1903 | err1: | |
1904 | qemu_free (cb); | |
1905 | err0: | |
ec36b695 FB |
1906 | return NULL; |
1907 | } | |
1908 | } | |
1909 | ||
1910 | void AUD_del_capture (CaptureVoiceOut *cap, void *cb_opaque) | |
1911 | { | |
1912 | struct capture_callback *cb; | |
1913 | ||
1914 | for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) { | |
1915 | if (cb->opaque == cb_opaque) { | |
1916 | cb->ops.destroy (cb_opaque); | |
1917 | LIST_REMOVE (cb, entries); | |
1918 | qemu_free (cb); | |
1919 | ||
1920 | if (!cap->cb_head.lh_first) { | |
1921 | SWVoiceOut *sw = cap->hw.sw_head.lh_first, *sw1; | |
a3c25997 | 1922 | |
ec36b695 | 1923 | while (sw) { |
a3c25997 | 1924 | SWVoiceCap *sc = (SWVoiceCap *) sw; |
ec36b695 FB |
1925 | #ifdef DEBUG_CAPTURE |
1926 | dolog ("freeing %s\n", sw->name); | |
1927 | #endif | |
a3c25997 | 1928 | |
ec36b695 FB |
1929 | sw1 = sw->entries.le_next; |
1930 | if (sw->rate) { | |
1931 | st_rate_stop (sw->rate); | |
1932 | sw->rate = NULL; | |
1933 | } | |
1934 | LIST_REMOVE (sw, entries); | |
a3c25997 FB |
1935 | LIST_REMOVE (sc, entries); |
1936 | qemu_free (sc); | |
ec36b695 FB |
1937 | sw = sw1; |
1938 | } | |
1939 | LIST_REMOVE (cap, entries); | |
1940 | qemu_free (cap); | |
1941 | } | |
1942 | return; | |
1943 | } | |
8ead62cf FB |
1944 | } |
1945 | } | |
683efdcb AZ |
1946 | |
1947 | void AUD_set_volume_out (SWVoiceOut *sw, int mute, uint8_t lvol, uint8_t rvol) | |
1948 | { | |
1949 | if (sw) { | |
1950 | sw->vol.mute = mute; | |
1951 | sw->vol.l = nominal_volume.l * lvol / 255; | |
1952 | sw->vol.r = nominal_volume.r * rvol / 255; | |
1953 | } | |
1954 | } | |
1955 | ||
1956 | void AUD_set_volume_in (SWVoiceIn *sw, int mute, uint8_t lvol, uint8_t rvol) | |
1957 | { | |
1958 | if (sw) { | |
1959 | sw->vol.mute = mute; | |
1960 | sw->vol.l = nominal_volume.l * lvol / 255; | |
1961 | sw->vol.r = nominal_volume.r * rvol / 255; | |
1962 | } | |
1963 | } |