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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 */ |
713a98f8 | 37 | /* #define DEBUG_POLL */ |
85571bc7 | 38 | |
c0fe3827 FB |
39 | #define SW_NAME(sw) (sw)->name ? (sw)->name : "unknown" |
40 | ||
2358a494 JQ |
41 | |
42 | /* Order of CONFIG_AUDIO_DRIVERS is import. | |
43 | The 1st one is the one used by default, that is the reason | |
44 | that we generate the list. | |
45 | */ | |
1d14ffa9 | 46 | static struct audio_driver *drvtab[] = { |
3e313753 GH |
47 | #ifdef CONFIG_SPICE |
48 | &spice_audio_driver, | |
49 | #endif | |
2358a494 | 50 | CONFIG_AUDIO_DRIVERS |
1d14ffa9 FB |
51 | &no_audio_driver, |
52 | &wav_audio_driver | |
53 | }; | |
85571bc7 | 54 | |
c0fe3827 FB |
55 | struct fixed_settings { |
56 | int enabled; | |
57 | int nb_voices; | |
58 | int greedy; | |
1ea879e5 | 59 | struct audsettings settings; |
c0fe3827 FB |
60 | }; |
61 | ||
62 | static struct { | |
63 | struct fixed_settings fixed_out; | |
64 | struct fixed_settings fixed_in; | |
65 | union { | |
c310de86 | 66 | int hertz; |
c0fe3827 FB |
67 | int64_t ticks; |
68 | } period; | |
69 | int plive; | |
541e0844 | 70 | int log_to_monitor; |
713a98f8 | 71 | int try_poll_in; |
72 | int try_poll_out; | |
c0fe3827 | 73 | } conf = { |
14658cd1 JQ |
74 | .fixed_out = { /* DAC fixed settings */ |
75 | .enabled = 1, | |
76 | .nb_voices = 1, | |
77 | .greedy = 1, | |
78 | .settings = { | |
79 | .freq = 44100, | |
80 | .nchannels = 2, | |
81 | .fmt = AUD_FMT_S16, | |
82 | .endianness = AUDIO_HOST_ENDIANNESS, | |
c0fe3827 FB |
83 | } |
84 | }, | |
85 | ||
14658cd1 JQ |
86 | .fixed_in = { /* ADC fixed settings */ |
87 | .enabled = 1, | |
88 | .nb_voices = 1, | |
89 | .greedy = 1, | |
90 | .settings = { | |
91 | .freq = 44100, | |
92 | .nchannels = 2, | |
93 | .fmt = AUD_FMT_S16, | |
94 | .endianness = AUDIO_HOST_ENDIANNESS, | |
c0fe3827 FB |
95 | } |
96 | }, | |
97 | ||
aea86747 | 98 | .period = { .hertz = 250 }, |
14658cd1 JQ |
99 | .plive = 0, |
100 | .log_to_monitor = 0, | |
713a98f8 | 101 | .try_poll_in = 1, |
102 | .try_poll_out = 1, | |
1d14ffa9 FB |
103 | }; |
104 | ||
c0fe3827 FB |
105 | static AudioState glob_audio_state; |
106 | ||
00e07679 | 107 | const struct mixeng_volume nominal_volume = { |
14658cd1 | 108 | .mute = 0, |
1d14ffa9 | 109 | #ifdef FLOAT_MIXENG |
14658cd1 JQ |
110 | .r = 1.0, |
111 | .l = 1.0, | |
1d14ffa9 | 112 | #else |
14658cd1 JQ |
113 | .r = 1ULL << 32, |
114 | .l = 1ULL << 32, | |
1d14ffa9 | 115 | #endif |
85571bc7 FB |
116 | }; |
117 | ||
1d14ffa9 FB |
118 | #ifdef AUDIO_IS_FLAWLESS_AND_NO_CHECKS_ARE_REQURIED |
119 | #error No its not | |
120 | #else | |
82584e21 | 121 | static void audio_print_options (const char *prefix, |
122 | struct audio_option *opt); | |
123 | ||
1d14ffa9 | 124 | int audio_bug (const char *funcname, int cond) |
85571bc7 | 125 | { |
1d14ffa9 FB |
126 | if (cond) { |
127 | static int shown; | |
128 | ||
8ead62cf | 129 | AUD_log (NULL, "A bug was just triggered in %s\n", funcname); |
1d14ffa9 | 130 | if (!shown) { |
82584e21 | 131 | struct audio_driver *d; |
132 | ||
1d14ffa9 FB |
133 | shown = 1; |
134 | AUD_log (NULL, "Save all your work and restart without audio\n"); | |
155a8ad3 | 135 | AUD_log (NULL, "Please send bug report to av1474@comtv.ru\n"); |
1d14ffa9 | 136 | AUD_log (NULL, "I am sorry\n"); |
82584e21 | 137 | d = glob_audio_state.drv; |
138 | if (d) { | |
139 | audio_print_options (d->name, d->options); | |
140 | } | |
1d14ffa9 FB |
141 | } |
142 | AUD_log (NULL, "Context:\n"); | |
143 | ||
144 | #if defined AUDIO_BREAKPOINT_ON_BUG | |
145 | # if defined HOST_I386 | |
146 | # if defined __GNUC__ | |
147 | __asm__ ("int3"); | |
148 | # elif defined _MSC_VER | |
149 | _asm _emit 0xcc; | |
150 | # else | |
151 | abort (); | |
152 | # endif | |
153 | # else | |
154 | abort (); | |
155 | # endif | |
156 | #endif | |
85571bc7 FB |
157 | } |
158 | ||
1d14ffa9 | 159 | return cond; |
85571bc7 | 160 | } |
1d14ffa9 | 161 | #endif |
85571bc7 | 162 | |
f941aa25 TS |
163 | static inline int audio_bits_to_index (int bits) |
164 | { | |
165 | switch (bits) { | |
166 | case 8: | |
167 | return 0; | |
168 | ||
169 | case 16: | |
170 | return 1; | |
171 | ||
172 | case 32: | |
173 | return 2; | |
174 | ||
175 | default: | |
176 | audio_bug ("bits_to_index", 1); | |
177 | AUD_log (NULL, "invalid bits %d\n", bits); | |
178 | return 0; | |
179 | } | |
180 | } | |
181 | ||
c0fe3827 FB |
182 | void *audio_calloc (const char *funcname, int nmemb, size_t size) |
183 | { | |
184 | int cond; | |
185 | size_t len; | |
186 | ||
187 | len = nmemb * size; | |
188 | cond = !nmemb || !size; | |
189 | cond |= nmemb < 0; | |
190 | cond |= len < size; | |
191 | ||
192 | if (audio_bug ("audio_calloc", cond)) { | |
193 | AUD_log (NULL, "%s passed invalid arguments to audio_calloc\n", | |
194 | funcname); | |
541e0844 | 195 | AUD_log (NULL, "nmemb=%d size=%zu (len=%zu)\n", nmemb, size, len); |
c0fe3827 FB |
196 | return NULL; |
197 | } | |
198 | ||
7267c094 | 199 | return g_malloc0 (len); |
c0fe3827 FB |
200 | } |
201 | ||
1d14ffa9 | 202 | static char *audio_alloc_prefix (const char *s) |
85571bc7 | 203 | { |
1d14ffa9 | 204 | const char qemu_prefix[] = "QEMU_"; |
090f1fa3 AL |
205 | size_t len, i; |
206 | char *r, *u; | |
85571bc7 | 207 | |
1d14ffa9 FB |
208 | if (!s) { |
209 | return NULL; | |
210 | } | |
85571bc7 | 211 | |
1d14ffa9 | 212 | len = strlen (s); |
7267c094 | 213 | r = g_malloc (len + sizeof (qemu_prefix)); |
85571bc7 | 214 | |
090f1fa3 | 215 | u = r + sizeof (qemu_prefix) - 1; |
85571bc7 | 216 | |
090f1fa3 AL |
217 | pstrcpy (r, len + sizeof (qemu_prefix), qemu_prefix); |
218 | pstrcat (r, len + sizeof (qemu_prefix), s); | |
1d14ffa9 | 219 | |
090f1fa3 AL |
220 | for (i = 0; i < len; ++i) { |
221 | u[i] = qemu_toupper(u[i]); | |
85571bc7 | 222 | } |
090f1fa3 | 223 | |
1d14ffa9 | 224 | return r; |
85571bc7 FB |
225 | } |
226 | ||
9596ebb7 | 227 | static const char *audio_audfmt_to_string (audfmt_e fmt) |
85571bc7 | 228 | { |
1d14ffa9 FB |
229 | switch (fmt) { |
230 | case AUD_FMT_U8: | |
231 | return "U8"; | |
85571bc7 | 232 | |
1d14ffa9 FB |
233 | case AUD_FMT_U16: |
234 | return "U16"; | |
85571bc7 | 235 | |
85571bc7 | 236 | case AUD_FMT_S8: |
1d14ffa9 | 237 | return "S8"; |
85571bc7 FB |
238 | |
239 | case AUD_FMT_S16: | |
1d14ffa9 | 240 | return "S16"; |
f941aa25 TS |
241 | |
242 | case AUD_FMT_U32: | |
243 | return "U32"; | |
244 | ||
245 | case AUD_FMT_S32: | |
246 | return "S32"; | |
85571bc7 FB |
247 | } |
248 | ||
1d14ffa9 FB |
249 | dolog ("Bogus audfmt %d returning S16\n", fmt); |
250 | return "S16"; | |
85571bc7 FB |
251 | } |
252 | ||
9596ebb7 PB |
253 | static audfmt_e audio_string_to_audfmt (const char *s, audfmt_e defval, |
254 | int *defaultp) | |
85571bc7 | 255 | { |
1d14ffa9 FB |
256 | if (!strcasecmp (s, "u8")) { |
257 | *defaultp = 0; | |
258 | return AUD_FMT_U8; | |
259 | } | |
260 | else if (!strcasecmp (s, "u16")) { | |
261 | *defaultp = 0; | |
262 | return AUD_FMT_U16; | |
263 | } | |
f941aa25 TS |
264 | else if (!strcasecmp (s, "u32")) { |
265 | *defaultp = 0; | |
266 | return AUD_FMT_U32; | |
267 | } | |
1d14ffa9 FB |
268 | else if (!strcasecmp (s, "s8")) { |
269 | *defaultp = 0; | |
270 | return AUD_FMT_S8; | |
271 | } | |
272 | else if (!strcasecmp (s, "s16")) { | |
273 | *defaultp = 0; | |
274 | return AUD_FMT_S16; | |
275 | } | |
f941aa25 TS |
276 | else if (!strcasecmp (s, "s32")) { |
277 | *defaultp = 0; | |
278 | return AUD_FMT_S32; | |
279 | } | |
1d14ffa9 FB |
280 | else { |
281 | dolog ("Bogus audio format `%s' using %s\n", | |
282 | s, audio_audfmt_to_string (defval)); | |
283 | *defaultp = 1; | |
284 | return defval; | |
285 | } | |
85571bc7 FB |
286 | } |
287 | ||
1d14ffa9 FB |
288 | static audfmt_e audio_get_conf_fmt (const char *envname, |
289 | audfmt_e defval, | |
290 | int *defaultp) | |
85571bc7 | 291 | { |
1d14ffa9 FB |
292 | const char *var = getenv (envname); |
293 | if (!var) { | |
294 | *defaultp = 1; | |
295 | return defval; | |
85571bc7 | 296 | } |
1d14ffa9 | 297 | return audio_string_to_audfmt (var, defval, defaultp); |
85571bc7 FB |
298 | } |
299 | ||
1d14ffa9 | 300 | static int audio_get_conf_int (const char *key, int defval, int *defaultp) |
85571bc7 | 301 | { |
1d14ffa9 FB |
302 | int val; |
303 | char *strval; | |
85571bc7 | 304 | |
1d14ffa9 FB |
305 | strval = getenv (key); |
306 | if (strval) { | |
307 | *defaultp = 0; | |
308 | val = atoi (strval); | |
309 | return val; | |
310 | } | |
311 | else { | |
312 | *defaultp = 1; | |
313 | return defval; | |
314 | } | |
85571bc7 FB |
315 | } |
316 | ||
1d14ffa9 FB |
317 | static const char *audio_get_conf_str (const char *key, |
318 | const char *defval, | |
319 | int *defaultp) | |
85571bc7 | 320 | { |
1d14ffa9 FB |
321 | const char *val = getenv (key); |
322 | if (!val) { | |
323 | *defaultp = 1; | |
324 | return defval; | |
325 | } | |
326 | else { | |
327 | *defaultp = 0; | |
328 | return val; | |
85571bc7 | 329 | } |
85571bc7 FB |
330 | } |
331 | ||
541e0844 | 332 | void AUD_vlog (const char *cap, const char *fmt, va_list ap) |
85571bc7 | 333 | { |
541e0844 FB |
334 | if (conf.log_to_monitor) { |
335 | if (cap) { | |
8631b608 | 336 | monitor_printf(default_mon, "%s: ", cap); |
541e0844 FB |
337 | } |
338 | ||
8631b608 | 339 | monitor_vprintf(default_mon, fmt, ap); |
541e0844 FB |
340 | } |
341 | else { | |
342 | if (cap) { | |
343 | fprintf (stderr, "%s: ", cap); | |
344 | } | |
345 | ||
346 | vfprintf (stderr, fmt, ap); | |
85571bc7 | 347 | } |
85571bc7 FB |
348 | } |
349 | ||
541e0844 | 350 | void AUD_log (const char *cap, const char *fmt, ...) |
85571bc7 | 351 | { |
541e0844 FB |
352 | va_list ap; |
353 | ||
354 | va_start (ap, fmt); | |
355 | AUD_vlog (cap, fmt, ap); | |
356 | va_end (ap); | |
85571bc7 FB |
357 | } |
358 | ||
1d14ffa9 FB |
359 | static void audio_print_options (const char *prefix, |
360 | struct audio_option *opt) | |
85571bc7 | 361 | { |
1d14ffa9 FB |
362 | char *uprefix; |
363 | ||
364 | if (!prefix) { | |
365 | dolog ("No prefix specified\n"); | |
366 | return; | |
367 | } | |
368 | ||
369 | if (!opt) { | |
370 | dolog ("No options\n"); | |
85571bc7 | 371 | return; |
1d14ffa9 | 372 | } |
85571bc7 | 373 | |
1d14ffa9 | 374 | uprefix = audio_alloc_prefix (prefix); |
85571bc7 | 375 | |
1d14ffa9 FB |
376 | for (; opt->name; opt++) { |
377 | const char *state = "default"; | |
378 | printf (" %s_%s: ", uprefix, opt->name); | |
85571bc7 | 379 | |
fe8f096b | 380 | if (opt->overriddenp && *opt->overriddenp) { |
1d14ffa9 FB |
381 | state = "current"; |
382 | } | |
85571bc7 | 383 | |
1d14ffa9 FB |
384 | switch (opt->tag) { |
385 | case AUD_OPT_BOOL: | |
386 | { | |
387 | int *intp = opt->valp; | |
388 | printf ("boolean, %s = %d\n", state, *intp ? 1 : 0); | |
389 | } | |
390 | break; | |
391 | ||
392 | case AUD_OPT_INT: | |
393 | { | |
394 | int *intp = opt->valp; | |
395 | printf ("integer, %s = %d\n", state, *intp); | |
396 | } | |
397 | break; | |
398 | ||
399 | case AUD_OPT_FMT: | |
400 | { | |
401 | audfmt_e *fmtp = opt->valp; | |
402 | printf ( | |
ca9cc28c | 403 | "format, %s = %s, (one of: U8 S8 U16 S16 U32 S32)\n", |
1d14ffa9 FB |
404 | state, |
405 | audio_audfmt_to_string (*fmtp) | |
406 | ); | |
407 | } | |
408 | break; | |
409 | ||
410 | case AUD_OPT_STR: | |
411 | { | |
412 | const char **strp = opt->valp; | |
413 | printf ("string, %s = %s\n", | |
414 | state, | |
415 | *strp ? *strp : "(not set)"); | |
85571bc7 | 416 | } |
1d14ffa9 FB |
417 | break; |
418 | ||
419 | default: | |
420 | printf ("???\n"); | |
421 | dolog ("Bad value tag for option %s_%s %d\n", | |
422 | uprefix, opt->name, opt->tag); | |
423 | break; | |
85571bc7 | 424 | } |
1d14ffa9 | 425 | printf (" %s\n", opt->descr); |
85571bc7 | 426 | } |
1d14ffa9 | 427 | |
7267c094 | 428 | g_free (uprefix); |
85571bc7 FB |
429 | } |
430 | ||
1d14ffa9 FB |
431 | static void audio_process_options (const char *prefix, |
432 | struct audio_option *opt) | |
85571bc7 | 433 | { |
1d14ffa9 FB |
434 | char *optname; |
435 | const char qemu_prefix[] = "QEMU_"; | |
363a37d5 | 436 | size_t preflen, optlen; |
85571bc7 | 437 | |
1d14ffa9 FB |
438 | if (audio_bug (AUDIO_FUNC, !prefix)) { |
439 | dolog ("prefix = NULL\n"); | |
440 | return; | |
441 | } | |
85571bc7 | 442 | |
1d14ffa9 FB |
443 | if (audio_bug (AUDIO_FUNC, !opt)) { |
444 | dolog ("opt = NULL\n"); | |
445 | return; | |
85571bc7 | 446 | } |
85571bc7 | 447 | |
1d14ffa9 | 448 | preflen = strlen (prefix); |
85571bc7 | 449 | |
1d14ffa9 FB |
450 | for (; opt->name; opt++) { |
451 | size_t len, i; | |
452 | int def; | |
453 | ||
454 | if (!opt->valp) { | |
455 | dolog ("Option value pointer for `%s' is not set\n", | |
456 | opt->name); | |
457 | continue; | |
458 | } | |
459 | ||
460 | len = strlen (opt->name); | |
c0fe3827 FB |
461 | /* len of opt->name + len of prefix + size of qemu_prefix |
462 | * (includes trailing zero) + zero + underscore (on behalf of | |
463 | * sizeof) */ | |
363a37d5 | 464 | optlen = len + preflen + sizeof (qemu_prefix) + 1; |
7267c094 | 465 | optname = g_malloc (optlen); |
1d14ffa9 | 466 | |
363a37d5 | 467 | pstrcpy (optname, optlen, qemu_prefix); |
c0fe3827 FB |
468 | |
469 | /* copy while upper-casing, including trailing zero */ | |
1d14ffa9 | 470 | for (i = 0; i <= preflen; ++i) { |
cd390083 | 471 | optname[i + sizeof (qemu_prefix) - 1] = qemu_toupper(prefix[i]); |
1d14ffa9 | 472 | } |
363a37d5 | 473 | pstrcat (optname, optlen, "_"); |
363a37d5 | 474 | pstrcat (optname, optlen, opt->name); |
1d14ffa9 FB |
475 | |
476 | def = 1; | |
477 | switch (opt->tag) { | |
478 | case AUD_OPT_BOOL: | |
479 | case AUD_OPT_INT: | |
480 | { | |
481 | int *intp = opt->valp; | |
482 | *intp = audio_get_conf_int (optname, *intp, &def); | |
483 | } | |
484 | break; | |
485 | ||
486 | case AUD_OPT_FMT: | |
487 | { | |
488 | audfmt_e *fmtp = opt->valp; | |
489 | *fmtp = audio_get_conf_fmt (optname, *fmtp, &def); | |
490 | } | |
491 | break; | |
492 | ||
493 | case AUD_OPT_STR: | |
494 | { | |
495 | const char **strp = opt->valp; | |
496 | *strp = audio_get_conf_str (optname, *strp, &def); | |
497 | } | |
498 | break; | |
499 | ||
500 | default: | |
501 | dolog ("Bad value tag for option `%s' - %d\n", | |
502 | optname, opt->tag); | |
85571bc7 FB |
503 | break; |
504 | } | |
85571bc7 | 505 | |
fe8f096b TS |
506 | if (!opt->overriddenp) { |
507 | opt->overriddenp = &opt->overridden; | |
1d14ffa9 | 508 | } |
fe8f096b | 509 | *opt->overriddenp = !def; |
7267c094 | 510 | g_free (optname); |
1d14ffa9 | 511 | } |
85571bc7 FB |
512 | } |
513 | ||
1ea879e5 | 514 | static void audio_print_settings (struct audsettings *as) |
c0fe3827 FB |
515 | { |
516 | dolog ("frequency=%d nchannels=%d fmt=", as->freq, as->nchannels); | |
517 | ||
518 | switch (as->fmt) { | |
519 | case AUD_FMT_S8: | |
520 | AUD_log (NULL, "S8"); | |
521 | break; | |
522 | case AUD_FMT_U8: | |
523 | AUD_log (NULL, "U8"); | |
524 | break; | |
525 | case AUD_FMT_S16: | |
526 | AUD_log (NULL, "S16"); | |
527 | break; | |
528 | case AUD_FMT_U16: | |
529 | AUD_log (NULL, "U16"); | |
530 | break; | |
d50997f9 | 531 | case AUD_FMT_S32: |
532 | AUD_log (NULL, "S32"); | |
533 | break; | |
534 | case AUD_FMT_U32: | |
535 | AUD_log (NULL, "U32"); | |
536 | break; | |
c0fe3827 FB |
537 | default: |
538 | AUD_log (NULL, "invalid(%d)", as->fmt); | |
539 | break; | |
540 | } | |
ec36b695 FB |
541 | |
542 | AUD_log (NULL, " endianness="); | |
d929eba5 FB |
543 | switch (as->endianness) { |
544 | case 0: | |
545 | AUD_log (NULL, "little"); | |
546 | break; | |
547 | case 1: | |
548 | AUD_log (NULL, "big"); | |
549 | break; | |
550 | default: | |
551 | AUD_log (NULL, "invalid"); | |
552 | break; | |
553 | } | |
c0fe3827 FB |
554 | AUD_log (NULL, "\n"); |
555 | } | |
556 | ||
1ea879e5 | 557 | static int audio_validate_settings (struct audsettings *as) |
c0fe3827 FB |
558 | { |
559 | int invalid; | |
560 | ||
561 | invalid = as->nchannels != 1 && as->nchannels != 2; | |
d929eba5 | 562 | invalid |= as->endianness != 0 && as->endianness != 1; |
c0fe3827 FB |
563 | |
564 | switch (as->fmt) { | |
565 | case AUD_FMT_S8: | |
566 | case AUD_FMT_U8: | |
567 | case AUD_FMT_S16: | |
568 | case AUD_FMT_U16: | |
f941aa25 TS |
569 | case AUD_FMT_S32: |
570 | case AUD_FMT_U32: | |
c0fe3827 FB |
571 | break; |
572 | default: | |
573 | invalid = 1; | |
574 | break; | |
575 | } | |
576 | ||
577 | invalid |= as->freq <= 0; | |
d929eba5 | 578 | return invalid ? -1 : 0; |
c0fe3827 FB |
579 | } |
580 | ||
1ea879e5 | 581 | static int audio_pcm_info_eq (struct audio_pcm_info *info, struct audsettings *as) |
85571bc7 | 582 | { |
1d14ffa9 | 583 | int bits = 8, sign = 0; |
85571bc7 | 584 | |
c0fe3827 | 585 | switch (as->fmt) { |
1d14ffa9 FB |
586 | case AUD_FMT_S8: |
587 | sign = 1; | |
b4bd0b16 | 588 | /* fall through */ |
1d14ffa9 FB |
589 | case AUD_FMT_U8: |
590 | break; | |
591 | ||
592 | case AUD_FMT_S16: | |
593 | sign = 1; | |
b4bd0b16 | 594 | /* fall through */ |
1d14ffa9 FB |
595 | case AUD_FMT_U16: |
596 | bits = 16; | |
597 | break; | |
f941aa25 TS |
598 | |
599 | case AUD_FMT_S32: | |
600 | sign = 1; | |
b4bd0b16 | 601 | /* fall through */ |
f941aa25 TS |
602 | case AUD_FMT_U32: |
603 | bits = 32; | |
604 | break; | |
85571bc7 | 605 | } |
c0fe3827 FB |
606 | return info->freq == as->freq |
607 | && info->nchannels == as->nchannels | |
1d14ffa9 | 608 | && info->sign == sign |
d929eba5 FB |
609 | && info->bits == bits |
610 | && info->swap_endianness == (as->endianness != AUDIO_HOST_ENDIANNESS); | |
1d14ffa9 | 611 | } |
85571bc7 | 612 | |
1ea879e5 | 613 | void audio_pcm_init_info (struct audio_pcm_info *info, struct audsettings *as) |
1d14ffa9 | 614 | { |
f941aa25 | 615 | int bits = 8, sign = 0, shift = 0; |
1d14ffa9 | 616 | |
c0fe3827 | 617 | switch (as->fmt) { |
85571bc7 FB |
618 | case AUD_FMT_S8: |
619 | sign = 1; | |
620 | case AUD_FMT_U8: | |
621 | break; | |
622 | ||
623 | case AUD_FMT_S16: | |
624 | sign = 1; | |
625 | case AUD_FMT_U16: | |
626 | bits = 16; | |
f941aa25 TS |
627 | shift = 1; |
628 | break; | |
629 | ||
630 | case AUD_FMT_S32: | |
631 | sign = 1; | |
632 | case AUD_FMT_U32: | |
633 | bits = 32; | |
634 | shift = 2; | |
85571bc7 FB |
635 | break; |
636 | } | |
637 | ||
c0fe3827 | 638 | info->freq = as->freq; |
1d14ffa9 FB |
639 | info->bits = bits; |
640 | info->sign = sign; | |
c0fe3827 | 641 | info->nchannels = as->nchannels; |
f941aa25 | 642 | info->shift = (as->nchannels == 2) + shift; |
1d14ffa9 FB |
643 | info->align = (1 << info->shift) - 1; |
644 | info->bytes_per_second = info->freq << info->shift; | |
d929eba5 | 645 | info->swap_endianness = (as->endianness != AUDIO_HOST_ENDIANNESS); |
85571bc7 FB |
646 | } |
647 | ||
1d14ffa9 | 648 | void audio_pcm_info_clear_buf (struct audio_pcm_info *info, void *buf, int len) |
85571bc7 | 649 | { |
1d14ffa9 FB |
650 | if (!len) { |
651 | return; | |
652 | } | |
653 | ||
654 | if (info->sign) { | |
e2f909be | 655 | memset (buf, 0x00, len << info->shift); |
85571bc7 FB |
656 | } |
657 | else { | |
f941aa25 TS |
658 | switch (info->bits) { |
659 | case 8: | |
e2f909be | 660 | memset (buf, 0x80, len << info->shift); |
f941aa25 | 661 | break; |
1d14ffa9 | 662 | |
f941aa25 TS |
663 | case 16: |
664 | { | |
665 | int i; | |
666 | uint16_t *p = buf; | |
667 | int shift = info->nchannels - 1; | |
668 | short s = INT16_MAX; | |
669 | ||
670 | if (info->swap_endianness) { | |
671 | s = bswap16 (s); | |
672 | } | |
673 | ||
674 | for (i = 0; i < len << shift; i++) { | |
675 | p[i] = s; | |
676 | } | |
1d14ffa9 | 677 | } |
f941aa25 TS |
678 | break; |
679 | ||
680 | case 32: | |
681 | { | |
682 | int i; | |
683 | uint32_t *p = buf; | |
684 | int shift = info->nchannels - 1; | |
685 | int32_t s = INT32_MAX; | |
686 | ||
687 | if (info->swap_endianness) { | |
688 | s = bswap32 (s); | |
689 | } | |
1d14ffa9 | 690 | |
f941aa25 TS |
691 | for (i = 0; i < len << shift; i++) { |
692 | p[i] = s; | |
693 | } | |
1d14ffa9 | 694 | } |
f941aa25 TS |
695 | break; |
696 | ||
697 | default: | |
698 | AUD_log (NULL, "audio_pcm_info_clear_buf: invalid bits %d\n", | |
699 | info->bits); | |
700 | break; | |
1d14ffa9 | 701 | } |
85571bc7 FB |
702 | } |
703 | } | |
704 | ||
8ead62cf FB |
705 | /* |
706 | * Capture | |
707 | */ | |
00e07679 | 708 | static void noop_conv (struct st_sample *dst, const void *src, int samples) |
8ead62cf FB |
709 | { |
710 | (void) src; | |
711 | (void) dst; | |
712 | (void) samples; | |
8ead62cf FB |
713 | } |
714 | ||
715 | static CaptureVoiceOut *audio_pcm_capture_find_specific ( | |
1ea879e5 | 716 | struct audsettings *as |
8ead62cf FB |
717 | ) |
718 | { | |
719 | CaptureVoiceOut *cap; | |
1a7dafce | 720 | AudioState *s = &glob_audio_state; |
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 | ||
72cf2d4f BS |
782 | QLIST_REMOVE (sw, entries); |
783 | QLIST_REMOVE (sc, entries); | |
7267c094 | 784 | g_free (sc); |
ec36b695 FB |
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 | ||
1a7dafce | 795 | static int audio_attach_capture (HWVoiceOut *hw) |
8ead62cf | 796 | { |
1a7dafce | 797 | AudioState *s = &glob_audio_state; |
8ead62cf FB |
798 | CaptureVoiceOut *cap; |
799 | ||
800 | audio_detach_capture (hw); | |
801 | for (cap = s->cap_head.lh_first; cap; cap = cap->entries.le_next) { | |
ec36b695 | 802 | SWVoiceCap *sc; |
8ead62cf | 803 | SWVoiceOut *sw; |
ec36b695 | 804 | HWVoiceOut *hw_cap = &cap->hw; |
8ead62cf | 805 | |
ec36b695 FB |
806 | sc = audio_calloc (AUDIO_FUNC, 1, sizeof (*sc)); |
807 | if (!sc) { | |
8ead62cf | 808 | dolog ("Could not allocate soft capture voice (%zu bytes)\n", |
ec36b695 | 809 | sizeof (*sc)); |
8ead62cf FB |
810 | return -1; |
811 | } | |
812 | ||
ec36b695 FB |
813 | sc->cap = cap; |
814 | sw = &sc->sw; | |
8ead62cf | 815 | sw->hw = hw_cap; |
ec36b695 | 816 | sw->info = hw->info; |
8ead62cf FB |
817 | sw->empty = 1; |
818 | sw->active = hw->enabled; | |
819 | sw->conv = noop_conv; | |
820 | sw->ratio = ((int64_t) hw_cap->info.freq << 32) / sw->info.freq; | |
821 | sw->rate = st_rate_start (sw->info.freq, hw_cap->info.freq); | |
822 | if (!sw->rate) { | |
823 | dolog ("Could not start rate conversion for `%s'\n", SW_NAME (sw)); | |
7267c094 | 824 | g_free (sw); |
8ead62cf FB |
825 | return -1; |
826 | } | |
72cf2d4f BS |
827 | QLIST_INSERT_HEAD (&hw_cap->sw_head, sw, entries); |
828 | QLIST_INSERT_HEAD (&hw->cap_head, sc, entries); | |
ec36b695 FB |
829 | #ifdef DEBUG_CAPTURE |
830 | asprintf (&sw->name, "for %p %d,%d,%d", | |
831 | hw, sw->info.freq, sw->info.bits, sw->info.nchannels); | |
832 | dolog ("Added %s active = %d\n", sw->name, sw->active); | |
833 | #endif | |
8ead62cf | 834 | if (sw->active) { |
ec36b695 | 835 | audio_capture_maybe_changed (cap, 1); |
8ead62cf FB |
836 | } |
837 | } | |
838 | return 0; | |
839 | } | |
840 | ||
1d14ffa9 FB |
841 | /* |
842 | * Hard voice (capture) | |
843 | */ | |
c0fe3827 | 844 | static int audio_pcm_hw_find_min_in (HWVoiceIn *hw) |
85571bc7 | 845 | { |
1d14ffa9 FB |
846 | SWVoiceIn *sw; |
847 | int m = hw->total_samples_captured; | |
848 | ||
849 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { | |
850 | if (sw->active) { | |
851 | m = audio_MIN (m, sw->total_hw_samples_acquired); | |
852 | } | |
85571bc7 | 853 | } |
1d14ffa9 | 854 | return m; |
85571bc7 FB |
855 | } |
856 | ||
1d14ffa9 | 857 | int audio_pcm_hw_get_live_in (HWVoiceIn *hw) |
85571bc7 | 858 | { |
1d14ffa9 FB |
859 | int live = hw->total_samples_captured - audio_pcm_hw_find_min_in (hw); |
860 | if (audio_bug (AUDIO_FUNC, live < 0 || live > hw->samples)) { | |
861 | dolog ("live=%d hw->samples=%d\n", live, hw->samples); | |
862 | return 0; | |
85571bc7 | 863 | } |
1d14ffa9 | 864 | return live; |
85571bc7 FB |
865 | } |
866 | ||
ddabec73 | 867 | int audio_pcm_hw_clip_out (HWVoiceOut *hw, void *pcm_buf, |
868 | int live, int pending) | |
869 | { | |
870 | int left = hw->samples - pending; | |
871 | int len = audio_MIN (left, live); | |
872 | int clipped = 0; | |
873 | ||
874 | while (len) { | |
875 | struct st_sample *src = hw->mix_buf + hw->rpos; | |
876 | uint8_t *dst = advance (pcm_buf, hw->rpos << hw->info.shift); | |
877 | int samples_till_end_of_buf = hw->samples - hw->rpos; | |
878 | int samples_to_clip = audio_MIN (len, samples_till_end_of_buf); | |
879 | ||
880 | hw->clip (dst, src, samples_to_clip); | |
881 | ||
882 | hw->rpos = (hw->rpos + samples_to_clip) % hw->samples; | |
883 | len -= samples_to_clip; | |
884 | clipped += samples_to_clip; | |
885 | } | |
886 | return clipped; | |
887 | } | |
888 | ||
1d14ffa9 FB |
889 | /* |
890 | * Soft voice (capture) | |
891 | */ | |
1d14ffa9 FB |
892 | static int audio_pcm_sw_get_rpos_in (SWVoiceIn *sw) |
893 | { | |
894 | HWVoiceIn *hw = sw->hw; | |
895 | int live = hw->total_samples_captured - sw->total_hw_samples_acquired; | |
896 | int rpos; | |
897 | ||
898 | if (audio_bug (AUDIO_FUNC, live < 0 || live > hw->samples)) { | |
899 | dolog ("live=%d hw->samples=%d\n", live, hw->samples); | |
900 | return 0; | |
901 | } | |
902 | ||
903 | rpos = hw->wpos - live; | |
904 | if (rpos >= 0) { | |
905 | return rpos; | |
85571bc7 FB |
906 | } |
907 | else { | |
1d14ffa9 | 908 | return hw->samples + rpos; |
85571bc7 | 909 | } |
85571bc7 FB |
910 | } |
911 | ||
1d14ffa9 | 912 | int audio_pcm_sw_read (SWVoiceIn *sw, void *buf, int size) |
85571bc7 | 913 | { |
1d14ffa9 FB |
914 | HWVoiceIn *hw = sw->hw; |
915 | int samples, live, ret = 0, swlim, isamp, osamp, rpos, total = 0; | |
1ea879e5 | 916 | struct st_sample *src, *dst = sw->buf; |
1d14ffa9 FB |
917 | |
918 | rpos = audio_pcm_sw_get_rpos_in (sw) % hw->samples; | |
919 | ||
920 | live = hw->total_samples_captured - sw->total_hw_samples_acquired; | |
921 | if (audio_bug (AUDIO_FUNC, live < 0 || live > hw->samples)) { | |
922 | dolog ("live_in=%d hw->samples=%d\n", live, hw->samples); | |
923 | return 0; | |
924 | } | |
925 | ||
926 | samples = size >> sw->info.shift; | |
927 | if (!live) { | |
928 | return 0; | |
929 | } | |
85571bc7 | 930 | |
1d14ffa9 FB |
931 | swlim = (live * sw->ratio) >> 32; |
932 | swlim = audio_MIN (swlim, samples); | |
85571bc7 | 933 | |
1d14ffa9 FB |
934 | while (swlim) { |
935 | src = hw->conv_buf + rpos; | |
936 | isamp = hw->wpos - rpos; | |
937 | /* XXX: <= ? */ | |
938 | if (isamp <= 0) { | |
939 | isamp = hw->samples - rpos; | |
940 | } | |
85571bc7 | 941 | |
1d14ffa9 FB |
942 | if (!isamp) { |
943 | break; | |
944 | } | |
945 | osamp = swlim; | |
85571bc7 | 946 | |
1d14ffa9 FB |
947 | if (audio_bug (AUDIO_FUNC, osamp < 0)) { |
948 | dolog ("osamp=%d\n", osamp); | |
c0fe3827 | 949 | return 0; |
1d14ffa9 | 950 | } |
85571bc7 | 951 | |
1d14ffa9 FB |
952 | st_rate_flow (sw->rate, src, dst, &isamp, &osamp); |
953 | swlim -= osamp; | |
954 | rpos = (rpos + isamp) % hw->samples; | |
955 | dst += osamp; | |
956 | ret += osamp; | |
957 | total += isamp; | |
958 | } | |
85571bc7 | 959 | |
c01b2456 MAL |
960 | if (!(hw->ctl_caps & VOICE_VOLUME_CAP)) { |
961 | mixeng_volume (sw->buf, ret, &sw->vol); | |
962 | } | |
00e07679 | 963 | |
571ec3d6 | 964 | sw->clip (buf, sw->buf, ret); |
1d14ffa9 FB |
965 | sw->total_hw_samples_acquired += total; |
966 | return ret << sw->info.shift; | |
85571bc7 FB |
967 | } |
968 | ||
1d14ffa9 FB |
969 | /* |
970 | * Hard voice (playback) | |
971 | */ | |
c0fe3827 | 972 | static int audio_pcm_hw_find_min_out (HWVoiceOut *hw, int *nb_livep) |
1d14ffa9 | 973 | { |
c0fe3827 FB |
974 | SWVoiceOut *sw; |
975 | int m = INT_MAX; | |
976 | int nb_live = 0; | |
85571bc7 | 977 | |
c0fe3827 FB |
978 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { |
979 | if (sw->active || !sw->empty) { | |
980 | m = audio_MIN (m, sw->total_hw_samples_mixed); | |
981 | nb_live += 1; | |
982 | } | |
85571bc7 | 983 | } |
c0fe3827 FB |
984 | |
985 | *nb_livep = nb_live; | |
986 | return m; | |
1d14ffa9 | 987 | } |
85571bc7 | 988 | |
bdff253c | 989 | static int audio_pcm_hw_get_live_out (HWVoiceOut *hw, int *nb_live) |
1d14ffa9 FB |
990 | { |
991 | int smin; | |
bdff253c | 992 | int nb_live1; |
85571bc7 | 993 | |
bdff253c | 994 | smin = audio_pcm_hw_find_min_out (hw, &nb_live1); |
995 | if (nb_live) { | |
996 | *nb_live = nb_live1; | |
85571bc7 | 997 | } |
bdff253c | 998 | |
999 | if (nb_live1) { | |
1d14ffa9 FB |
1000 | int live = smin; |
1001 | ||
1002 | if (audio_bug (AUDIO_FUNC, live < 0 || live > hw->samples)) { | |
1003 | dolog ("live=%d hw->samples=%d\n", live, hw->samples); | |
1004 | return 0; | |
85571bc7 | 1005 | } |
1d14ffa9 | 1006 | return live; |
85571bc7 | 1007 | } |
bdff253c | 1008 | return 0; |
85571bc7 FB |
1009 | } |
1010 | ||
1d14ffa9 FB |
1011 | /* |
1012 | * Soft voice (playback) | |
1013 | */ | |
1d14ffa9 | 1014 | int audio_pcm_sw_write (SWVoiceOut *sw, void *buf, int size) |
85571bc7 | 1015 | { |
1d14ffa9 FB |
1016 | int hwsamples, samples, isamp, osamp, wpos, live, dead, left, swlim, blck; |
1017 | int ret = 0, pos = 0, total = 0; | |
85571bc7 | 1018 | |
1d14ffa9 FB |
1019 | if (!sw) { |
1020 | return size; | |
1021 | } | |
85571bc7 | 1022 | |
1d14ffa9 | 1023 | hwsamples = sw->hw->samples; |
85571bc7 | 1024 | |
1d14ffa9 FB |
1025 | live = sw->total_hw_samples_mixed; |
1026 | if (audio_bug (AUDIO_FUNC, live < 0 || live > hwsamples)){ | |
1027 | dolog ("live=%d hw->samples=%d\n", live, hwsamples); | |
1028 | return 0; | |
1029 | } | |
85571bc7 | 1030 | |
1d14ffa9 | 1031 | if (live == hwsamples) { |
ec36b695 FB |
1032 | #ifdef DEBUG_OUT |
1033 | dolog ("%s is full %d\n", sw->name, live); | |
1034 | #endif | |
1d14ffa9 FB |
1035 | return 0; |
1036 | } | |
85571bc7 | 1037 | |
1d14ffa9 FB |
1038 | wpos = (sw->hw->rpos + live) % hwsamples; |
1039 | samples = size >> sw->info.shift; | |
85571bc7 | 1040 | |
1d14ffa9 FB |
1041 | dead = hwsamples - live; |
1042 | swlim = ((int64_t) dead << 32) / sw->ratio; | |
1043 | swlim = audio_MIN (swlim, samples); | |
1044 | if (swlim) { | |
00e07679 | 1045 | sw->conv (sw->buf, buf, swlim); |
c01b2456 MAL |
1046 | |
1047 | if (!(sw->hw->ctl_caps & VOICE_VOLUME_CAP)) { | |
1048 | mixeng_volume (sw->buf, swlim, &sw->vol); | |
1049 | } | |
1d14ffa9 FB |
1050 | } |
1051 | ||
1052 | while (swlim) { | |
1053 | dead = hwsamples - live; | |
1054 | left = hwsamples - wpos; | |
1055 | blck = audio_MIN (dead, left); | |
1056 | if (!blck) { | |
1057 | break; | |
1058 | } | |
1059 | isamp = swlim; | |
1060 | osamp = blck; | |
1061 | st_rate_flow_mix ( | |
1062 | sw->rate, | |
1063 | sw->buf + pos, | |
1064 | sw->hw->mix_buf + wpos, | |
1065 | &isamp, | |
1066 | &osamp | |
1067 | ); | |
1068 | ret += isamp; | |
1069 | swlim -= isamp; | |
1070 | pos += isamp; | |
1071 | live += osamp; | |
1072 | wpos = (wpos + osamp) % hwsamples; | |
1073 | total += osamp; | |
1074 | } | |
1075 | ||
1076 | sw->total_hw_samples_mixed += total; | |
1077 | sw->empty = sw->total_hw_samples_mixed == 0; | |
1078 | ||
1079 | #ifdef DEBUG_OUT | |
1080 | dolog ( | |
c0fe3827 FB |
1081 | "%s: write size %d ret %d total sw %d\n", |
1082 | SW_NAME (sw), | |
1d14ffa9 FB |
1083 | size >> sw->info.shift, |
1084 | ret, | |
c0fe3827 | 1085 | sw->total_hw_samples_mixed |
1d14ffa9 FB |
1086 | ); |
1087 | #endif | |
1088 | ||
1089 | return ret << sw->info.shift; | |
85571bc7 FB |
1090 | } |
1091 | ||
1d14ffa9 FB |
1092 | #ifdef DEBUG_AUDIO |
1093 | static void audio_pcm_print_info (const char *cap, struct audio_pcm_info *info) | |
85571bc7 | 1094 | { |
1d14ffa9 FB |
1095 | dolog ("%s: bits %d, sign %d, freq %d, nchan %d\n", |
1096 | cap, info->bits, info->sign, info->freq, info->nchannels); | |
85571bc7 | 1097 | } |
1d14ffa9 | 1098 | #endif |
85571bc7 | 1099 | |
1d14ffa9 FB |
1100 | #define DAC |
1101 | #include "audio_template.h" | |
1102 | #undef DAC | |
1103 | #include "audio_template.h" | |
1104 | ||
713a98f8 | 1105 | /* |
1106 | * Timer | |
1107 | */ | |
713a98f8 | 1108 | static int audio_is_timer_needed (void) |
1109 | { | |
1110 | HWVoiceIn *hwi = NULL; | |
1111 | HWVoiceOut *hwo = NULL; | |
1112 | ||
1113 | while ((hwo = audio_pcm_hw_find_any_enabled_out (hwo))) { | |
1114 | if (!hwo->poll_mode) return 1; | |
1115 | } | |
1116 | while ((hwi = audio_pcm_hw_find_any_enabled_in (hwi))) { | |
1117 | if (!hwi->poll_mode) return 1; | |
1118 | } | |
1119 | return 0; | |
1120 | } | |
1121 | ||
39deb1e4 | 1122 | static void audio_reset_timer (AudioState *s) |
713a98f8 | 1123 | { |
713a98f8 | 1124 | if (audio_is_timer_needed ()) { |
74475455 | 1125 | qemu_mod_timer (s->ts, qemu_get_clock_ns (vm_clock) + 1); |
713a98f8 | 1126 | } |
1127 | else { | |
1128 | qemu_del_timer (s->ts); | |
1129 | } | |
1130 | } | |
1131 | ||
39deb1e4 | 1132 | static void audio_timer (void *opaque) |
1133 | { | |
1134 | audio_run ("timer"); | |
1135 | audio_reset_timer (opaque); | |
1136 | } | |
1137 | ||
713a98f8 | 1138 | /* |
1139 | * Public API | |
1140 | */ | |
1d14ffa9 | 1141 | int AUD_write (SWVoiceOut *sw, void *buf, int size) |
85571bc7 | 1142 | { |
1d14ffa9 | 1143 | int bytes; |
85571bc7 | 1144 | |
1d14ffa9 FB |
1145 | if (!sw) { |
1146 | /* XXX: Consider options */ | |
1147 | return size; | |
1148 | } | |
85571bc7 | 1149 | |
1d14ffa9 | 1150 | if (!sw->hw->enabled) { |
c0fe3827 | 1151 | dolog ("Writing to disabled voice %s\n", SW_NAME (sw)); |
85571bc7 FB |
1152 | return 0; |
1153 | } | |
1154 | ||
1d14ffa9 FB |
1155 | bytes = sw->hw->pcm_ops->write (sw, buf, size); |
1156 | return bytes; | |
1157 | } | |
1158 | ||
1159 | int AUD_read (SWVoiceIn *sw, void *buf, int size) | |
1160 | { | |
1161 | int bytes; | |
85571bc7 | 1162 | |
1d14ffa9 FB |
1163 | if (!sw) { |
1164 | /* XXX: Consider options */ | |
1165 | return size; | |
85571bc7 | 1166 | } |
1d14ffa9 FB |
1167 | |
1168 | if (!sw->hw->enabled) { | |
c0fe3827 | 1169 | dolog ("Reading from disabled voice %s\n", SW_NAME (sw)); |
1d14ffa9 | 1170 | return 0; |
85571bc7 | 1171 | } |
1d14ffa9 FB |
1172 | |
1173 | bytes = sw->hw->pcm_ops->read (sw, buf, size); | |
1174 | return bytes; | |
85571bc7 FB |
1175 | } |
1176 | ||
1d14ffa9 | 1177 | int AUD_get_buffer_size_out (SWVoiceOut *sw) |
85571bc7 | 1178 | { |
c0fe3827 | 1179 | return sw->hw->samples << sw->hw->info.shift; |
1d14ffa9 FB |
1180 | } |
1181 | ||
1182 | void AUD_set_active_out (SWVoiceOut *sw, int on) | |
1183 | { | |
1184 | HWVoiceOut *hw; | |
85571bc7 | 1185 | |
1d14ffa9 | 1186 | if (!sw) { |
85571bc7 | 1187 | return; |
1d14ffa9 | 1188 | } |
85571bc7 FB |
1189 | |
1190 | hw = sw->hw; | |
1d14ffa9 | 1191 | if (sw->active != on) { |
978dd635 | 1192 | AudioState *s = &glob_audio_state; |
1d14ffa9 | 1193 | SWVoiceOut *temp_sw; |
ec36b695 | 1194 | SWVoiceCap *sc; |
1d14ffa9 FB |
1195 | |
1196 | if (on) { | |
1d14ffa9 FB |
1197 | hw->pending_disable = 0; |
1198 | if (!hw->enabled) { | |
1199 | hw->enabled = 1; | |
978dd635 | 1200 | if (s->vm_running) { |
713a98f8 | 1201 | hw->pcm_ops->ctl_out (hw, VOICE_ENABLE, conf.try_poll_out); |
39deb1e4 | 1202 | audio_reset_timer (s); |
978dd635 | 1203 | } |
1d14ffa9 | 1204 | } |
1d14ffa9 FB |
1205 | } |
1206 | else { | |
1207 | if (hw->enabled) { | |
1208 | int nb_active = 0; | |
1209 | ||
1210 | for (temp_sw = hw->sw_head.lh_first; temp_sw; | |
1211 | temp_sw = temp_sw->entries.le_next) { | |
1212 | nb_active += temp_sw->active != 0; | |
1213 | } | |
1214 | ||
1215 | hw->pending_disable = nb_active == 1; | |
1216 | } | |
85571bc7 | 1217 | } |
ec36b695 FB |
1218 | |
1219 | for (sc = hw->cap_head.lh_first; sc; sc = sc->entries.le_next) { | |
1220 | sc->sw.active = hw->enabled; | |
8ead62cf | 1221 | if (hw->enabled) { |
ec36b695 | 1222 | audio_capture_maybe_changed (sc->cap, 1); |
8ead62cf FB |
1223 | } |
1224 | } | |
1d14ffa9 FB |
1225 | sw->active = on; |
1226 | } | |
1227 | } | |
1228 | ||
1229 | void AUD_set_active_in (SWVoiceIn *sw, int on) | |
1230 | { | |
1231 | HWVoiceIn *hw; | |
1232 | ||
1233 | if (!sw) { | |
1234 | return; | |
85571bc7 FB |
1235 | } |
1236 | ||
1d14ffa9 | 1237 | hw = sw->hw; |
85571bc7 | 1238 | if (sw->active != on) { |
978dd635 | 1239 | AudioState *s = &glob_audio_state; |
1d14ffa9 FB |
1240 | SWVoiceIn *temp_sw; |
1241 | ||
85571bc7 | 1242 | if (on) { |
85571bc7 FB |
1243 | if (!hw->enabled) { |
1244 | hw->enabled = 1; | |
978dd635 | 1245 | if (s->vm_running) { |
713a98f8 | 1246 | hw->pcm_ops->ctl_in (hw, VOICE_ENABLE, conf.try_poll_in); |
39deb1e4 | 1247 | audio_reset_timer (s); |
978dd635 | 1248 | } |
85571bc7 | 1249 | } |
1d14ffa9 | 1250 | sw->total_hw_samples_acquired = hw->total_samples_captured; |
85571bc7 FB |
1251 | } |
1252 | else { | |
1d14ffa9 | 1253 | if (hw->enabled) { |
85571bc7 | 1254 | int nb_active = 0; |
1d14ffa9 FB |
1255 | |
1256 | for (temp_sw = hw->sw_head.lh_first; temp_sw; | |
1257 | temp_sw = temp_sw->entries.le_next) { | |
1258 | nb_active += temp_sw->active != 0; | |
85571bc7 FB |
1259 | } |
1260 | ||
1261 | if (nb_active == 1) { | |
1d14ffa9 FB |
1262 | hw->enabled = 0; |
1263 | hw->pcm_ops->ctl_in (hw, VOICE_DISABLE); | |
85571bc7 FB |
1264 | } |
1265 | } | |
1266 | } | |
1267 | sw->active = on; | |
1268 | } | |
1269 | } | |
1270 | ||
1d14ffa9 FB |
1271 | static int audio_get_avail (SWVoiceIn *sw) |
1272 | { | |
1273 | int live; | |
1274 | ||
1275 | if (!sw) { | |
1276 | return 0; | |
1277 | } | |
1278 | ||
1279 | live = sw->hw->total_samples_captured - sw->total_hw_samples_acquired; | |
1280 | if (audio_bug (AUDIO_FUNC, live < 0 || live > sw->hw->samples)) { | |
1281 | dolog ("live=%d sw->hw->samples=%d\n", live, sw->hw->samples); | |
1282 | return 0; | |
1283 | } | |
1284 | ||
1285 | ldebug ( | |
26a76461 | 1286 | "%s: get_avail live %d ret %" PRId64 "\n", |
c0fe3827 | 1287 | SW_NAME (sw), |
1d14ffa9 FB |
1288 | live, (((int64_t) live << 32) / sw->ratio) << sw->info.shift |
1289 | ); | |
1290 | ||
1291 | return (((int64_t) live << 32) / sw->ratio) << sw->info.shift; | |
1292 | } | |
1293 | ||
1294 | static int audio_get_free (SWVoiceOut *sw) | |
1295 | { | |
1296 | int live, dead; | |
1297 | ||
1298 | if (!sw) { | |
1299 | return 0; | |
1300 | } | |
1301 | ||
1302 | live = sw->total_hw_samples_mixed; | |
1303 | ||
1304 | if (audio_bug (AUDIO_FUNC, live < 0 || live > sw->hw->samples)) { | |
1305 | dolog ("live=%d sw->hw->samples=%d\n", live, sw->hw->samples); | |
c0fe3827 | 1306 | return 0; |
1d14ffa9 FB |
1307 | } |
1308 | ||
1309 | dead = sw->hw->samples - live; | |
1310 | ||
1311 | #ifdef DEBUG_OUT | |
26a76461 | 1312 | dolog ("%s: get_free live %d dead %d ret %" PRId64 "\n", |
c0fe3827 | 1313 | SW_NAME (sw), |
1d14ffa9 | 1314 | live, dead, (((int64_t) dead << 32) / sw->ratio) << sw->info.shift); |
85571bc7 | 1315 | #endif |
1d14ffa9 FB |
1316 | |
1317 | return (((int64_t) dead << 32) / sw->ratio) << sw->info.shift; | |
1318 | } | |
1319 | ||
8ead62cf FB |
1320 | static void audio_capture_mix_and_clear (HWVoiceOut *hw, int rpos, int samples) |
1321 | { | |
1322 | int n; | |
1323 | ||
1324 | if (hw->enabled) { | |
ec36b695 | 1325 | SWVoiceCap *sc; |
8ead62cf | 1326 | |
ec36b695 FB |
1327 | for (sc = hw->cap_head.lh_first; sc; sc = sc->entries.le_next) { |
1328 | SWVoiceOut *sw = &sc->sw; | |
8ead62cf FB |
1329 | int rpos2 = rpos; |
1330 | ||
1331 | n = samples; | |
1332 | while (n) { | |
1333 | int till_end_of_hw = hw->samples - rpos2; | |
1334 | int to_write = audio_MIN (till_end_of_hw, n); | |
1335 | int bytes = to_write << hw->info.shift; | |
1336 | int written; | |
1337 | ||
1338 | sw->buf = hw->mix_buf + rpos2; | |
1339 | written = audio_pcm_sw_write (sw, NULL, bytes); | |
1340 | if (written - bytes) { | |
ec36b695 FB |
1341 | dolog ("Could not mix %d bytes into a capture " |
1342 | "buffer, mixed %d\n", | |
1343 | bytes, written); | |
8ead62cf FB |
1344 | break; |
1345 | } | |
1346 | n -= to_write; | |
1347 | rpos2 = (rpos2 + to_write) % hw->samples; | |
1348 | } | |
1349 | } | |
1350 | } | |
1351 | ||
1352 | n = audio_MIN (samples, hw->samples - rpos); | |
1353 | mixeng_clear (hw->mix_buf + rpos, n); | |
1354 | mixeng_clear (hw->mix_buf, samples - n); | |
1355 | } | |
1356 | ||
c0fe3827 | 1357 | static void audio_run_out (AudioState *s) |
1d14ffa9 FB |
1358 | { |
1359 | HWVoiceOut *hw = NULL; | |
1360 | SWVoiceOut *sw; | |
1361 | ||
1a7dafce | 1362 | while ((hw = audio_pcm_hw_find_any_enabled_out (hw))) { |
1d14ffa9 | 1363 | int played; |
8ead62cf | 1364 | int live, free, nb_live, cleanup_required, prev_rpos; |
1d14ffa9 | 1365 | |
bdff253c | 1366 | live = audio_pcm_hw_get_live_out (hw, &nb_live); |
1d14ffa9 FB |
1367 | if (!nb_live) { |
1368 | live = 0; | |
1369 | } | |
c0fe3827 | 1370 | |
1d14ffa9 FB |
1371 | if (audio_bug (AUDIO_FUNC, live < 0 || live > hw->samples)) { |
1372 | dolog ("live=%d hw->samples=%d\n", live, hw->samples); | |
c0fe3827 | 1373 | continue; |
1d14ffa9 FB |
1374 | } |
1375 | ||
1376 | if (hw->pending_disable && !nb_live) { | |
ec36b695 | 1377 | SWVoiceCap *sc; |
1d14ffa9 FB |
1378 | #ifdef DEBUG_OUT |
1379 | dolog ("Disabling voice\n"); | |
85571bc7 | 1380 | #endif |
1d14ffa9 FB |
1381 | hw->enabled = 0; |
1382 | hw->pending_disable = 0; | |
1383 | hw->pcm_ops->ctl_out (hw, VOICE_DISABLE); | |
ec36b695 FB |
1384 | for (sc = hw->cap_head.lh_first; sc; sc = sc->entries.le_next) { |
1385 | sc->sw.active = 0; | |
1386 | audio_recalc_and_notify_capture (sc->cap); | |
8ead62cf | 1387 | } |
1d14ffa9 FB |
1388 | continue; |
1389 | } | |
1390 | ||
1391 | if (!live) { | |
1392 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { | |
1393 | if (sw->active) { | |
1394 | free = audio_get_free (sw); | |
1395 | if (free > 0) { | |
1396 | sw->callback.fn (sw->callback.opaque, free); | |
1397 | } | |
1398 | } | |
1399 | } | |
1400 | continue; | |
1401 | } | |
1402 | ||
8ead62cf | 1403 | prev_rpos = hw->rpos; |
bdff253c | 1404 | played = hw->pcm_ops->run_out (hw, live); |
1d14ffa9 FB |
1405 | if (audio_bug (AUDIO_FUNC, hw->rpos >= hw->samples)) { |
1406 | dolog ("hw->rpos=%d hw->samples=%d played=%d\n", | |
1407 | hw->rpos, hw->samples, played); | |
1408 | hw->rpos = 0; | |
1409 | } | |
1410 | ||
1411 | #ifdef DEBUG_OUT | |
c0fe3827 | 1412 | dolog ("played=%d\n", played); |
85571bc7 | 1413 | #endif |
1d14ffa9 FB |
1414 | |
1415 | if (played) { | |
1416 | hw->ts_helper += played; | |
8ead62cf | 1417 | audio_capture_mix_and_clear (hw, prev_rpos, played); |
1d14ffa9 FB |
1418 | } |
1419 | ||
c0fe3827 | 1420 | cleanup_required = 0; |
1d14ffa9 | 1421 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { |
1d14ffa9 FB |
1422 | if (!sw->active && sw->empty) { |
1423 | continue; | |
1424 | } | |
1425 | ||
1426 | if (audio_bug (AUDIO_FUNC, played > sw->total_hw_samples_mixed)) { | |
1427 | dolog ("played=%d sw->total_hw_samples_mixed=%d\n", | |
1428 | played, sw->total_hw_samples_mixed); | |
1429 | played = sw->total_hw_samples_mixed; | |
1430 | } | |
1431 | ||
1432 | sw->total_hw_samples_mixed -= played; | |
1433 | ||
1434 | if (!sw->total_hw_samples_mixed) { | |
1435 | sw->empty = 1; | |
c0fe3827 | 1436 | cleanup_required |= !sw->active && !sw->callback.fn; |
1d14ffa9 FB |
1437 | } |
1438 | ||
1439 | if (sw->active) { | |
1440 | free = audio_get_free (sw); | |
1441 | if (free > 0) { | |
1442 | sw->callback.fn (sw->callback.opaque, free); | |
1443 | } | |
1444 | } | |
1445 | } | |
c0fe3827 FB |
1446 | |
1447 | if (cleanup_required) { | |
ec36b695 FB |
1448 | SWVoiceOut *sw1; |
1449 | ||
1450 | sw = hw->sw_head.lh_first; | |
1451 | while (sw) { | |
1452 | sw1 = sw->entries.le_next; | |
c0fe3827 FB |
1453 | if (!sw->active && !sw->callback.fn) { |
1454 | #ifdef DEBUG_PLIVE | |
1455 | dolog ("Finishing with old voice\n"); | |
1456 | #endif | |
1a7dafce | 1457 | audio_close_out (sw); |
c0fe3827 | 1458 | } |
ec36b695 | 1459 | sw = sw1; |
c0fe3827 FB |
1460 | } |
1461 | } | |
1d14ffa9 FB |
1462 | } |
1463 | } | |
1464 | ||
c0fe3827 | 1465 | static void audio_run_in (AudioState *s) |
1d14ffa9 FB |
1466 | { |
1467 | HWVoiceIn *hw = NULL; | |
1468 | ||
1a7dafce | 1469 | while ((hw = audio_pcm_hw_find_any_enabled_in (hw))) { |
1d14ffa9 FB |
1470 | SWVoiceIn *sw; |
1471 | int captured, min; | |
1472 | ||
1473 | captured = hw->pcm_ops->run_in (hw); | |
1474 | ||
1475 | min = audio_pcm_hw_find_min_in (hw); | |
1476 | hw->total_samples_captured += captured - min; | |
1477 | hw->ts_helper += captured; | |
1478 | ||
1479 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { | |
1480 | sw->total_hw_samples_acquired -= min; | |
1481 | ||
1482 | if (sw->active) { | |
1483 | int avail; | |
1484 | ||
1485 | avail = audio_get_avail (sw); | |
1486 | if (avail > 0) { | |
1487 | sw->callback.fn (sw->callback.opaque, avail); | |
1488 | } | |
1489 | } | |
1490 | } | |
1491 | } | |
1492 | } | |
1493 | ||
8ead62cf FB |
1494 | static void audio_run_capture (AudioState *s) |
1495 | { | |
1496 | CaptureVoiceOut *cap; | |
1497 | ||
1498 | for (cap = s->cap_head.lh_first; cap; cap = cap->entries.le_next) { | |
1499 | int live, rpos, captured; | |
1500 | HWVoiceOut *hw = &cap->hw; | |
1501 | SWVoiceOut *sw; | |
1502 | ||
bdff253c | 1503 | captured = live = audio_pcm_hw_get_live_out (hw, NULL); |
8ead62cf FB |
1504 | rpos = hw->rpos; |
1505 | while (live) { | |
1506 | int left = hw->samples - rpos; | |
1507 | int to_capture = audio_MIN (live, left); | |
1ea879e5 | 1508 | struct st_sample *src; |
8ead62cf FB |
1509 | struct capture_callback *cb; |
1510 | ||
1511 | src = hw->mix_buf + rpos; | |
1512 | hw->clip (cap->buf, src, to_capture); | |
1513 | mixeng_clear (src, to_capture); | |
1514 | ||
1515 | for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) { | |
1516 | cb->ops.capture (cb->opaque, cap->buf, | |
1517 | to_capture << hw->info.shift); | |
1518 | } | |
1519 | rpos = (rpos + to_capture) % hw->samples; | |
1520 | live -= to_capture; | |
1521 | } | |
1522 | hw->rpos = rpos; | |
1523 | ||
1524 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { | |
1525 | if (!sw->active && sw->empty) { | |
1526 | continue; | |
1527 | } | |
1528 | ||
1529 | if (audio_bug (AUDIO_FUNC, captured > sw->total_hw_samples_mixed)) { | |
1530 | dolog ("captured=%d sw->total_hw_samples_mixed=%d\n", | |
1531 | captured, sw->total_hw_samples_mixed); | |
1532 | captured = sw->total_hw_samples_mixed; | |
1533 | } | |
1534 | ||
1535 | sw->total_hw_samples_mixed -= captured; | |
1536 | sw->empty = sw->total_hw_samples_mixed == 0; | |
1537 | } | |
1538 | } | |
1539 | } | |
1540 | ||
713a98f8 | 1541 | void audio_run (const char *msg) |
571ec3d6 | 1542 | { |
713a98f8 | 1543 | AudioState *s = &glob_audio_state; |
571ec3d6 FB |
1544 | |
1545 | audio_run_out (s); | |
1546 | audio_run_in (s); | |
8ead62cf | 1547 | audio_run_capture (s); |
713a98f8 | 1548 | #ifdef DEBUG_POLL |
1549 | { | |
1550 | static double prevtime; | |
1551 | double currtime; | |
1552 | struct timeval tv; | |
571ec3d6 | 1553 | |
713a98f8 | 1554 | if (gettimeofday (&tv, NULL)) { |
1555 | perror ("audio_run: gettimeofday"); | |
1556 | return; | |
1557 | } | |
1558 | ||
1559 | currtime = tv.tv_sec + tv.tv_usec * 1e-6; | |
1560 | dolog ("Elapsed since last %s: %f\n", msg, currtime - prevtime); | |
1561 | prevtime = currtime; | |
1562 | } | |
1563 | #endif | |
571ec3d6 FB |
1564 | } |
1565 | ||
1d14ffa9 FB |
1566 | static struct audio_option audio_options[] = { |
1567 | /* DAC */ | |
98f9f48c | 1568 | { |
1569 | .name = "DAC_FIXED_SETTINGS", | |
1570 | .tag = AUD_OPT_BOOL, | |
1571 | .valp = &conf.fixed_out.enabled, | |
1572 | .descr = "Use fixed settings for host DAC" | |
1573 | }, | |
1574 | { | |
1575 | .name = "DAC_FIXED_FREQ", | |
1576 | .tag = AUD_OPT_INT, | |
1577 | .valp = &conf.fixed_out.settings.freq, | |
1578 | .descr = "Frequency for fixed host DAC" | |
1579 | }, | |
1580 | { | |
1581 | .name = "DAC_FIXED_FMT", | |
1582 | .tag = AUD_OPT_FMT, | |
1583 | .valp = &conf.fixed_out.settings.fmt, | |
1584 | .descr = "Format for fixed host DAC" | |
1585 | }, | |
1586 | { | |
1587 | .name = "DAC_FIXED_CHANNELS", | |
1588 | .tag = AUD_OPT_INT, | |
1589 | .valp = &conf.fixed_out.settings.nchannels, | |
1590 | .descr = "Number of channels for fixed DAC (1 - mono, 2 - stereo)" | |
1591 | }, | |
1592 | { | |
1593 | .name = "DAC_VOICES", | |
1594 | .tag = AUD_OPT_INT, | |
1595 | .valp = &conf.fixed_out.nb_voices, | |
1596 | .descr = "Number of voices for DAC" | |
1597 | }, | |
713a98f8 | 1598 | { |
1599 | .name = "DAC_TRY_POLL", | |
1600 | .tag = AUD_OPT_BOOL, | |
1601 | .valp = &conf.try_poll_out, | |
1602 | .descr = "Attempt using poll mode for DAC" | |
1603 | }, | |
1d14ffa9 | 1604 | /* ADC */ |
98f9f48c | 1605 | { |
1606 | .name = "ADC_FIXED_SETTINGS", | |
1607 | .tag = AUD_OPT_BOOL, | |
1608 | .valp = &conf.fixed_in.enabled, | |
1609 | .descr = "Use fixed settings for host ADC" | |
1610 | }, | |
1611 | { | |
1612 | .name = "ADC_FIXED_FREQ", | |
1613 | .tag = AUD_OPT_INT, | |
1614 | .valp = &conf.fixed_in.settings.freq, | |
1615 | .descr = "Frequency for fixed host ADC" | |
1616 | }, | |
1617 | { | |
1618 | .name = "ADC_FIXED_FMT", | |
1619 | .tag = AUD_OPT_FMT, | |
1620 | .valp = &conf.fixed_in.settings.fmt, | |
1621 | .descr = "Format for fixed host ADC" | |
1622 | }, | |
1623 | { | |
1624 | .name = "ADC_FIXED_CHANNELS", | |
1625 | .tag = AUD_OPT_INT, | |
1626 | .valp = &conf.fixed_in.settings.nchannels, | |
1627 | .descr = "Number of channels for fixed ADC (1 - mono, 2 - stereo)" | |
1628 | }, | |
1629 | { | |
1630 | .name = "ADC_VOICES", | |
1631 | .tag = AUD_OPT_INT, | |
1632 | .valp = &conf.fixed_in.nb_voices, | |
1633 | .descr = "Number of voices for ADC" | |
1634 | }, | |
713a98f8 | 1635 | { |
1636 | .name = "ADC_TRY_POLL", | |
1637 | .tag = AUD_OPT_BOOL, | |
0a90e344 | 1638 | .valp = &conf.try_poll_in, |
713a98f8 | 1639 | .descr = "Attempt using poll mode for ADC" |
1640 | }, | |
1d14ffa9 | 1641 | /* Misc */ |
98f9f48c | 1642 | { |
1643 | .name = "TIMER_PERIOD", | |
1644 | .tag = AUD_OPT_INT, | |
1645 | .valp = &conf.period.hertz, | |
1646 | .descr = "Timer period in HZ (0 - use lowest possible)" | |
1647 | }, | |
1648 | { | |
1649 | .name = "PLIVE", | |
1650 | .tag = AUD_OPT_BOOL, | |
1651 | .valp = &conf.plive, | |
1652 | .descr = "(undocumented)" | |
1653 | }, | |
1654 | { | |
1655 | .name = "LOG_TO_MONITOR", | |
1656 | .tag = AUD_OPT_BOOL, | |
1657 | .valp = &conf.log_to_monitor, | |
713a98f8 | 1658 | .descr = "Print logging messages to monitor instead of stderr" |
98f9f48c | 1659 | }, |
2700efa3 | 1660 | { /* End of list */ } |
85571bc7 FB |
1661 | }; |
1662 | ||
571ec3d6 FB |
1663 | static void audio_pp_nb_voices (const char *typ, int nb) |
1664 | { | |
1665 | switch (nb) { | |
1666 | case 0: | |
1667 | printf ("Does not support %s\n", typ); | |
1668 | break; | |
1669 | case 1: | |
1670 | printf ("One %s voice\n", typ); | |
1671 | break; | |
1672 | case INT_MAX: | |
1673 | printf ("Theoretically supports many %s voices\n", typ); | |
1674 | break; | |
1675 | default: | |
e7d81004 | 1676 | printf ("Theoretically supports up to %d %s voices\n", nb, typ); |
571ec3d6 FB |
1677 | break; |
1678 | } | |
1679 | ||
1680 | } | |
1681 | ||
1d14ffa9 FB |
1682 | void AUD_help (void) |
1683 | { | |
1684 | size_t i; | |
1685 | ||
1686 | audio_process_options ("AUDIO", audio_options); | |
b1503cda | 1687 | for (i = 0; i < ARRAY_SIZE (drvtab); i++) { |
1d14ffa9 FB |
1688 | struct audio_driver *d = drvtab[i]; |
1689 | if (d->options) { | |
1690 | audio_process_options (d->name, d->options); | |
1691 | } | |
1692 | } | |
1693 | ||
1694 | printf ("Audio options:\n"); | |
1695 | audio_print_options ("AUDIO", audio_options); | |
1696 | printf ("\n"); | |
1697 | ||
1698 | printf ("Available drivers:\n"); | |
1699 | ||
b1503cda | 1700 | for (i = 0; i < ARRAY_SIZE (drvtab); i++) { |
1d14ffa9 FB |
1701 | struct audio_driver *d = drvtab[i]; |
1702 | ||
1703 | printf ("Name: %s\n", d->name); | |
1704 | printf ("Description: %s\n", d->descr); | |
1705 | ||
571ec3d6 FB |
1706 | audio_pp_nb_voices ("playback", d->max_voices_out); |
1707 | audio_pp_nb_voices ("capture", d->max_voices_in); | |
1d14ffa9 FB |
1708 | |
1709 | if (d->options) { | |
1710 | printf ("Options:\n"); | |
1711 | audio_print_options (d->name, d->options); | |
1712 | } | |
1713 | else { | |
1714 | printf ("No options\n"); | |
1715 | } | |
1716 | printf ("\n"); | |
1717 | } | |
1718 | ||
1719 | printf ( | |
1720 | "Options are settable through environment variables.\n" | |
1721 | "Example:\n" | |
1722 | #ifdef _WIN32 | |
1723 | " set QEMU_AUDIO_DRV=wav\n" | |
571ec3d6 | 1724 | " set QEMU_WAV_PATH=c:\\tune.wav\n" |
1d14ffa9 FB |
1725 | #else |
1726 | " export QEMU_AUDIO_DRV=wav\n" | |
1727 | " export QEMU_WAV_PATH=$HOME/tune.wav\n" | |
1728 | "(for csh replace export with setenv in the above)\n" | |
1729 | #endif | |
1730 | " qemu ...\n\n" | |
1731 | ); | |
1732 | } | |
1733 | ||
c0fe3827 | 1734 | static int audio_driver_init (AudioState *s, struct audio_driver *drv) |
85571bc7 | 1735 | { |
1d14ffa9 FB |
1736 | if (drv->options) { |
1737 | audio_process_options (drv->name, drv->options); | |
1738 | } | |
c0fe3827 | 1739 | s->drv_opaque = drv->init (); |
1d14ffa9 | 1740 | |
c0fe3827 | 1741 | if (s->drv_opaque) { |
1a7dafce | 1742 | audio_init_nb_voices_out (drv); |
1743 | audio_init_nb_voices_in (drv); | |
c0fe3827 | 1744 | s->drv = drv; |
1d14ffa9 | 1745 | return 0; |
85571bc7 FB |
1746 | } |
1747 | else { | |
1d14ffa9 FB |
1748 | dolog ("Could not init `%s' audio driver\n", drv->name); |
1749 | return -1; | |
85571bc7 FB |
1750 | } |
1751 | } | |
1752 | ||
9781e040 | 1753 | static void audio_vm_change_state_handler (void *opaque, int running, |
1dfb4dd9 | 1754 | RunState state) |
85571bc7 | 1755 | { |
c0fe3827 | 1756 | AudioState *s = opaque; |
1d14ffa9 FB |
1757 | HWVoiceOut *hwo = NULL; |
1758 | HWVoiceIn *hwi = NULL; | |
541e0844 | 1759 | int op = running ? VOICE_ENABLE : VOICE_DISABLE; |
1d14ffa9 | 1760 | |
978dd635 | 1761 | s->vm_running = running; |
1a7dafce | 1762 | while ((hwo = audio_pcm_hw_find_any_enabled_out (hwo))) { |
713a98f8 | 1763 | hwo->pcm_ops->ctl_out (hwo, op, conf.try_poll_out); |
1d14ffa9 | 1764 | } |
85571bc7 | 1765 | |
1a7dafce | 1766 | while ((hwi = audio_pcm_hw_find_any_enabled_in (hwi))) { |
713a98f8 | 1767 | hwi->pcm_ops->ctl_in (hwi, op, conf.try_poll_in); |
85571bc7 | 1768 | } |
39deb1e4 | 1769 | audio_reset_timer (s); |
85571bc7 FB |
1770 | } |
1771 | ||
1772 | static void audio_atexit (void) | |
1773 | { | |
c0fe3827 | 1774 | AudioState *s = &glob_audio_state; |
1d14ffa9 FB |
1775 | HWVoiceOut *hwo = NULL; |
1776 | HWVoiceIn *hwi = NULL; | |
1777 | ||
aeb29b64 | 1778 | while ((hwo = audio_pcm_hw_find_any_out (hwo))) { |
ec36b695 | 1779 | SWVoiceCap *sc; |
8ead62cf | 1780 | |
aeb29b64 JK |
1781 | if (hwo->enabled) { |
1782 | hwo->pcm_ops->ctl_out (hwo, VOICE_DISABLE); | |
1783 | } | |
1d14ffa9 | 1784 | hwo->pcm_ops->fini_out (hwo); |
8ead62cf | 1785 | |
ec36b695 FB |
1786 | for (sc = hwo->cap_head.lh_first; sc; sc = sc->entries.le_next) { |
1787 | CaptureVoiceOut *cap = sc->cap; | |
1788 | struct capture_callback *cb; | |
1789 | ||
1790 | for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) { | |
1791 | cb->ops.destroy (cb->opaque); | |
1792 | } | |
8ead62cf | 1793 | } |
1d14ffa9 | 1794 | } |
85571bc7 | 1795 | |
aeb29b64 JK |
1796 | while ((hwi = audio_pcm_hw_find_any_in (hwi))) { |
1797 | if (hwi->enabled) { | |
1798 | hwi->pcm_ops->ctl_in (hwi, VOICE_DISABLE); | |
1799 | } | |
1d14ffa9 | 1800 | hwi->pcm_ops->fini_in (hwi); |
85571bc7 | 1801 | } |
c0fe3827 FB |
1802 | |
1803 | if (s->drv) { | |
1804 | s->drv->fini (s->drv_opaque); | |
1805 | } | |
85571bc7 FB |
1806 | } |
1807 | ||
d959fce9 JQ |
1808 | static const VMStateDescription vmstate_audio = { |
1809 | .name = "audio", | |
1810 | .version_id = 1, | |
1811 | .minimum_version_id = 1, | |
1812 | .minimum_version_id_old = 1, | |
1813 | .fields = (VMStateField []) { | |
1814 | VMSTATE_END_OF_LIST() | |
1d14ffa9 | 1815 | } |
d959fce9 | 1816 | }; |
85571bc7 | 1817 | |
1a7dafce | 1818 | static void audio_init (void) |
85571bc7 | 1819 | { |
1d14ffa9 | 1820 | size_t i; |
85571bc7 FB |
1821 | int done = 0; |
1822 | const char *drvname; | |
713a98f8 | 1823 | VMChangeStateEntry *e; |
c0fe3827 | 1824 | AudioState *s = &glob_audio_state; |
1d14ffa9 | 1825 | |
0d9acba8 | 1826 | if (s->drv) { |
1a7dafce | 1827 | return; |
0d9acba8 PB |
1828 | } |
1829 | ||
72cf2d4f BS |
1830 | QLIST_INIT (&s->hw_head_out); |
1831 | QLIST_INIT (&s->hw_head_in); | |
1832 | QLIST_INIT (&s->cap_head); | |
571ec3d6 FB |
1833 | atexit (audio_atexit); |
1834 | ||
74475455 | 1835 | s->ts = qemu_new_timer_ns (vm_clock, audio_timer, s); |
571ec3d6 | 1836 | if (!s->ts) { |
0d9acba8 | 1837 | hw_error("Could not create audio timer\n"); |
571ec3d6 FB |
1838 | } |
1839 | ||
1d14ffa9 FB |
1840 | audio_process_options ("AUDIO", audio_options); |
1841 | ||
c0fe3827 FB |
1842 | s->nb_hw_voices_out = conf.fixed_out.nb_voices; |
1843 | s->nb_hw_voices_in = conf.fixed_in.nb_voices; | |
1844 | ||
1d14ffa9 | 1845 | if (s->nb_hw_voices_out <= 0) { |
571ec3d6 | 1846 | dolog ("Bogus number of playback voices %d, setting to 1\n", |
1d14ffa9 FB |
1847 | s->nb_hw_voices_out); |
1848 | s->nb_hw_voices_out = 1; | |
1849 | } | |
1850 | ||
1851 | if (s->nb_hw_voices_in <= 0) { | |
571ec3d6 | 1852 | dolog ("Bogus number of capture voices %d, setting to 0\n", |
1d14ffa9 | 1853 | s->nb_hw_voices_in); |
571ec3d6 | 1854 | s->nb_hw_voices_in = 0; |
1d14ffa9 | 1855 | } |
85571bc7 | 1856 | |
1d14ffa9 FB |
1857 | { |
1858 | int def; | |
1859 | drvname = audio_get_conf_str ("QEMU_AUDIO_DRV", NULL, &def); | |
1860 | } | |
85571bc7 | 1861 | |
85571bc7 FB |
1862 | if (drvname) { |
1863 | int found = 0; | |
1d14ffa9 | 1864 | |
b1503cda | 1865 | for (i = 0; i < ARRAY_SIZE (drvtab); i++) { |
85571bc7 | 1866 | if (!strcmp (drvname, drvtab[i]->name)) { |
c0fe3827 | 1867 | done = !audio_driver_init (s, drvtab[i]); |
85571bc7 FB |
1868 | found = 1; |
1869 | break; | |
1870 | } | |
1871 | } | |
1d14ffa9 | 1872 | |
85571bc7 FB |
1873 | if (!found) { |
1874 | dolog ("Unknown audio driver `%s'\n", drvname); | |
1d14ffa9 | 1875 | dolog ("Run with -audio-help to list available drivers\n"); |
85571bc7 FB |
1876 | } |
1877 | } | |
1878 | ||
85571bc7 | 1879 | if (!done) { |
b1503cda | 1880 | for (i = 0; !done && i < ARRAY_SIZE (drvtab); i++) { |
1d14ffa9 | 1881 | if (drvtab[i]->can_be_default) { |
c0fe3827 | 1882 | done = !audio_driver_init (s, drvtab[i]); |
1d14ffa9 | 1883 | } |
85571bc7 FB |
1884 | } |
1885 | } | |
1886 | ||
85571bc7 | 1887 | if (!done) { |
c0fe3827 FB |
1888 | done = !audio_driver_init (s, &no_audio_driver); |
1889 | if (!done) { | |
0d9acba8 | 1890 | hw_error("Could not initialize audio subsystem\n"); |
1d14ffa9 FB |
1891 | } |
1892 | else { | |
c0fe3827 | 1893 | dolog ("warning: Using timer based audio emulation\n"); |
1d14ffa9 | 1894 | } |
85571bc7 | 1895 | } |
1d14ffa9 | 1896 | |
0d9acba8 PB |
1897 | if (conf.period.hertz <= 0) { |
1898 | if (conf.period.hertz < 0) { | |
1899 | dolog ("warning: Timer period is negative - %d " | |
1900 | "treating as zero\n", | |
1901 | conf.period.hertz); | |
571ec3d6 | 1902 | } |
0d9acba8 PB |
1903 | conf.period.ticks = 1; |
1904 | } else { | |
4f4cc0ef | 1905 | conf.period.ticks = |
1906 | muldiv64 (1, get_ticks_per_sec (), conf.period.hertz); | |
1d14ffa9 | 1907 | } |
0d9acba8 PB |
1908 | |
1909 | e = qemu_add_vm_change_state_handler (audio_vm_change_state_handler, s); | |
1910 | if (!e) { | |
1911 | dolog ("warning: Could not register change state handler\n" | |
1912 | "(Audio can continue looping even after stopping the VM)\n"); | |
1d14ffa9 FB |
1913 | } |
1914 | ||
72cf2d4f | 1915 | QLIST_INIT (&s->card_head); |
0be71e32 | 1916 | vmstate_register (NULL, 0, &vmstate_audio, s); |
85571bc7 | 1917 | } |
8ead62cf | 1918 | |
1a7dafce | 1919 | void AUD_register_card (const char *name, QEMUSoundCard *card) |
1920 | { | |
1921 | audio_init (); | |
7267c094 | 1922 | card->name = g_strdup (name); |
1a7dafce | 1923 | memset (&card->entries, 0, sizeof (card->entries)); |
72cf2d4f | 1924 | QLIST_INSERT_HEAD (&glob_audio_state.card_head, card, entries); |
1a7dafce | 1925 | } |
1926 | ||
1927 | void AUD_remove_card (QEMUSoundCard *card) | |
1928 | { | |
72cf2d4f | 1929 | QLIST_REMOVE (card, entries); |
7267c094 | 1930 | g_free (card->name); |
1a7dafce | 1931 | } |
1932 | ||
1933 | ||
ec36b695 | 1934 | CaptureVoiceOut *AUD_add_capture ( |
1ea879e5 | 1935 | struct audsettings *as, |
8ead62cf FB |
1936 | struct audio_capture_ops *ops, |
1937 | void *cb_opaque | |
1938 | ) | |
1939 | { | |
1a7dafce | 1940 | AudioState *s = &glob_audio_state; |
8ead62cf FB |
1941 | CaptureVoiceOut *cap; |
1942 | struct capture_callback *cb; | |
1943 | ||
ec36b695 | 1944 | if (audio_validate_settings (as)) { |
8ead62cf FB |
1945 | dolog ("Invalid settings were passed when trying to add capture\n"); |
1946 | audio_print_settings (as); | |
ec36b695 | 1947 | goto err0; |
8ead62cf FB |
1948 | } |
1949 | ||
1950 | cb = audio_calloc (AUDIO_FUNC, 1, sizeof (*cb)); | |
1951 | if (!cb) { | |
1952 | dolog ("Could not allocate capture callback information, size %zu\n", | |
1953 | sizeof (*cb)); | |
1954 | goto err0; | |
1955 | } | |
1956 | cb->ops = *ops; | |
1957 | cb->opaque = cb_opaque; | |
1958 | ||
1a7dafce | 1959 | cap = audio_pcm_capture_find_specific (as); |
8ead62cf | 1960 | if (cap) { |
72cf2d4f | 1961 | QLIST_INSERT_HEAD (&cap->cb_head, cb, entries); |
ec36b695 | 1962 | return cap; |
8ead62cf FB |
1963 | } |
1964 | else { | |
1965 | HWVoiceOut *hw; | |
1966 | CaptureVoiceOut *cap; | |
1967 | ||
1968 | cap = audio_calloc (AUDIO_FUNC, 1, sizeof (*cap)); | |
1969 | if (!cap) { | |
1970 | dolog ("Could not allocate capture voice, size %zu\n", | |
1971 | sizeof (*cap)); | |
1972 | goto err1; | |
1973 | } | |
1974 | ||
1975 | hw = &cap->hw; | |
72cf2d4f BS |
1976 | QLIST_INIT (&hw->sw_head); |
1977 | QLIST_INIT (&cap->cb_head); | |
8ead62cf FB |
1978 | |
1979 | /* XXX find a more elegant way */ | |
1980 | hw->samples = 4096 * 4; | |
1981 | hw->mix_buf = audio_calloc (AUDIO_FUNC, hw->samples, | |
1ea879e5 | 1982 | sizeof (struct st_sample)); |
8ead62cf FB |
1983 | if (!hw->mix_buf) { |
1984 | dolog ("Could not allocate capture mix buffer (%d samples)\n", | |
1985 | hw->samples); | |
1986 | goto err2; | |
1987 | } | |
1988 | ||
d929eba5 | 1989 | audio_pcm_init_info (&hw->info, as); |
8ead62cf FB |
1990 | |
1991 | cap->buf = audio_calloc (AUDIO_FUNC, hw->samples, 1 << hw->info.shift); | |
1992 | if (!cap->buf) { | |
1993 | dolog ("Could not allocate capture buffer " | |
1994 | "(%d samples, each %d bytes)\n", | |
1995 | hw->samples, 1 << hw->info.shift); | |
1996 | goto err3; | |
1997 | } | |
1998 | ||
1999 | hw->clip = mixeng_clip | |
2000 | [hw->info.nchannels == 2] | |
2001 | [hw->info.sign] | |
d929eba5 | 2002 | [hw->info.swap_endianness] |
f941aa25 | 2003 | [audio_bits_to_index (hw->info.bits)]; |
8ead62cf | 2004 | |
72cf2d4f BS |
2005 | QLIST_INSERT_HEAD (&s->cap_head, cap, entries); |
2006 | QLIST_INSERT_HEAD (&cap->cb_head, cb, entries); | |
8ead62cf FB |
2007 | |
2008 | hw = NULL; | |
1a7dafce | 2009 | while ((hw = audio_pcm_hw_find_any_out (hw))) { |
2010 | audio_attach_capture (hw); | |
8ead62cf | 2011 | } |
ec36b695 | 2012 | return cap; |
8ead62cf FB |
2013 | |
2014 | err3: | |
7267c094 | 2015 | g_free (cap->hw.mix_buf); |
8ead62cf | 2016 | err2: |
7267c094 | 2017 | g_free (cap); |
8ead62cf | 2018 | err1: |
7267c094 | 2019 | g_free (cb); |
8ead62cf | 2020 | err0: |
ec36b695 FB |
2021 | return NULL; |
2022 | } | |
2023 | } | |
2024 | ||
2025 | void AUD_del_capture (CaptureVoiceOut *cap, void *cb_opaque) | |
2026 | { | |
2027 | struct capture_callback *cb; | |
2028 | ||
2029 | for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) { | |
2030 | if (cb->opaque == cb_opaque) { | |
2031 | cb->ops.destroy (cb_opaque); | |
72cf2d4f | 2032 | QLIST_REMOVE (cb, entries); |
7267c094 | 2033 | g_free (cb); |
ec36b695 FB |
2034 | |
2035 | if (!cap->cb_head.lh_first) { | |
2036 | SWVoiceOut *sw = cap->hw.sw_head.lh_first, *sw1; | |
a3c25997 | 2037 | |
ec36b695 | 2038 | while (sw) { |
a3c25997 | 2039 | SWVoiceCap *sc = (SWVoiceCap *) sw; |
ec36b695 FB |
2040 | #ifdef DEBUG_CAPTURE |
2041 | dolog ("freeing %s\n", sw->name); | |
2042 | #endif | |
a3c25997 | 2043 | |
ec36b695 FB |
2044 | sw1 = sw->entries.le_next; |
2045 | if (sw->rate) { | |
2046 | st_rate_stop (sw->rate); | |
2047 | sw->rate = NULL; | |
2048 | } | |
72cf2d4f BS |
2049 | QLIST_REMOVE (sw, entries); |
2050 | QLIST_REMOVE (sc, entries); | |
7267c094 | 2051 | g_free (sc); |
ec36b695 FB |
2052 | sw = sw1; |
2053 | } | |
72cf2d4f | 2054 | QLIST_REMOVE (cap, entries); |
7267c094 | 2055 | g_free (cap); |
ec36b695 FB |
2056 | } |
2057 | return; | |
2058 | } | |
8ead62cf FB |
2059 | } |
2060 | } | |
683efdcb AZ |
2061 | |
2062 | void AUD_set_volume_out (SWVoiceOut *sw, int mute, uint8_t lvol, uint8_t rvol) | |
2063 | { | |
2064 | if (sw) { | |
6c95ab94 MAL |
2065 | HWVoiceOut *hw = sw->hw; |
2066 | ||
683efdcb AZ |
2067 | sw->vol.mute = mute; |
2068 | sw->vol.l = nominal_volume.l * lvol / 255; | |
2069 | sw->vol.r = nominal_volume.r * rvol / 255; | |
6c95ab94 MAL |
2070 | |
2071 | if (hw->pcm_ops->ctl_out) { | |
2072 | hw->pcm_ops->ctl_out (hw, VOICE_VOLUME, sw); | |
2073 | } | |
683efdcb AZ |
2074 | } |
2075 | } | |
2076 | ||
2077 | void AUD_set_volume_in (SWVoiceIn *sw, int mute, uint8_t lvol, uint8_t rvol) | |
2078 | { | |
2079 | if (sw) { | |
6c95ab94 MAL |
2080 | HWVoiceIn *hw = sw->hw; |
2081 | ||
683efdcb AZ |
2082 | sw->vol.mute = mute; |
2083 | sw->vol.l = nominal_volume.l * lvol / 255; | |
2084 | sw->vol.r = nominal_volume.r * rvol / 255; | |
6c95ab94 MAL |
2085 | |
2086 | if (hw->pcm_ops->ctl_in) { | |
2087 | hw->pcm_ops->ctl_in (hw, VOICE_VOLUME, sw); | |
2088 | } | |
683efdcb AZ |
2089 | } |
2090 | } |