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1 | /* | |
2 | * QEMU FMOD audio driver | |
3 | * | |
4 | * Copyright (c) 2004-2005 Vassili Karpov (malc) | |
5 | * | |
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 | */ | |
24 | #include <fmod.h> | |
25 | #include <fmod_errors.h> | |
26 | #include "qemu-common.h" | |
27 | #include "audio.h" | |
28 | ||
29 | #define AUDIO_CAP "fmod" | |
30 | #include "audio_int.h" | |
31 | ||
32 | typedef struct FMODVoiceOut { | |
33 | HWVoiceOut hw; | |
34 | unsigned int old_pos; | |
35 | FSOUND_SAMPLE *fmod_sample; | |
36 | int channel; | |
37 | } FMODVoiceOut; | |
38 | ||
39 | typedef struct FMODVoiceIn { | |
40 | HWVoiceIn hw; | |
41 | FSOUND_SAMPLE *fmod_sample; | |
42 | } FMODVoiceIn; | |
43 | ||
44 | static struct { | |
45 | const char *drvname; | |
46 | int nb_samples; | |
47 | int freq; | |
48 | int nb_channels; | |
49 | int bufsize; | |
50 | int threshold; | |
51 | int broken_adc; | |
52 | } conf = { | |
53 | .nb_samples = 2048 * 2, | |
54 | .freq = 44100, | |
55 | .nb_channels = 2, | |
56 | }; | |
57 | ||
58 | static void GCC_FMT_ATTR (1, 2) fmod_logerr (const char *fmt, ...) | |
59 | { | |
60 | va_list ap; | |
61 | ||
62 | va_start (ap, fmt); | |
63 | AUD_vlog (AUDIO_CAP, fmt, ap); | |
64 | va_end (ap); | |
65 | ||
66 | AUD_log (AUDIO_CAP, "Reason: %s\n", | |
67 | FMOD_ErrorString (FSOUND_GetError ())); | |
68 | } | |
69 | ||
70 | static void GCC_FMT_ATTR (2, 3) fmod_logerr2 ( | |
71 | const char *typ, | |
72 | const char *fmt, | |
73 | ... | |
74 | ) | |
75 | { | |
76 | va_list ap; | |
77 | ||
78 | AUD_log (AUDIO_CAP, "Could not initialize %s\n", typ); | |
79 | ||
80 | va_start (ap, fmt); | |
81 | AUD_vlog (AUDIO_CAP, fmt, ap); | |
82 | va_end (ap); | |
83 | ||
84 | AUD_log (AUDIO_CAP, "Reason: %s\n", | |
85 | FMOD_ErrorString (FSOUND_GetError ())); | |
86 | } | |
87 | ||
88 | static int fmod_write (SWVoiceOut *sw, void *buf, int len) | |
89 | { | |
90 | return audio_pcm_sw_write (sw, buf, len); | |
91 | } | |
92 | ||
93 | static void fmod_clear_sample (FMODVoiceOut *fmd) | |
94 | { | |
95 | HWVoiceOut *hw = &fmd->hw; | |
96 | int status; | |
97 | void *p1 = 0, *p2 = 0; | |
98 | unsigned int len1 = 0, len2 = 0; | |
99 | ||
100 | status = FSOUND_Sample_Lock ( | |
101 | fmd->fmod_sample, | |
102 | 0, | |
103 | hw->samples << hw->info.shift, | |
104 | &p1, | |
105 | &p2, | |
106 | &len1, | |
107 | &len2 | |
108 | ); | |
109 | ||
110 | if (!status) { | |
111 | fmod_logerr ("Failed to lock sample\n"); | |
112 | return; | |
113 | } | |
114 | ||
115 | if ((len1 & hw->info.align) || (len2 & hw->info.align)) { | |
116 | dolog ("Lock returned misaligned length %d, %d, alignment %d\n", | |
117 | len1, len2, hw->info.align + 1); | |
118 | goto fail; | |
119 | } | |
120 | ||
121 | if ((len1 + len2) - (hw->samples << hw->info.shift)) { | |
122 | dolog ("Lock returned incomplete length %d, %d\n", | |
123 | len1 + len2, hw->samples << hw->info.shift); | |
124 | goto fail; | |
125 | } | |
126 | ||
127 | audio_pcm_info_clear_buf (&hw->info, p1, hw->samples); | |
128 | ||
129 | fail: | |
130 | status = FSOUND_Sample_Unlock (fmd->fmod_sample, p1, p2, len1, len2); | |
131 | if (!status) { | |
132 | fmod_logerr ("Failed to unlock sample\n"); | |
133 | } | |
134 | } | |
135 | ||
136 | static void fmod_write_sample (HWVoiceOut *hw, uint8_t *dst, int dst_len) | |
137 | { | |
138 | int src_len1 = dst_len; | |
139 | int src_len2 = 0; | |
140 | int pos = hw->rpos + dst_len; | |
141 | struct st_sample *src1 = hw->mix_buf + hw->rpos; | |
142 | struct st_sample *src2 = NULL; | |
143 | ||
144 | if (pos > hw->samples) { | |
145 | src_len1 = hw->samples - hw->rpos; | |
146 | src2 = hw->mix_buf; | |
147 | src_len2 = dst_len - src_len1; | |
148 | pos = src_len2; | |
149 | } | |
150 | ||
151 | if (src_len1) { | |
152 | hw->clip (dst, src1, src_len1); | |
153 | } | |
154 | ||
155 | if (src_len2) { | |
156 | dst = advance (dst, src_len1 << hw->info.shift); | |
157 | hw->clip (dst, src2, src_len2); | |
158 | } | |
159 | ||
160 | hw->rpos = pos % hw->samples; | |
161 | } | |
162 | ||
163 | static int fmod_unlock_sample (FSOUND_SAMPLE *sample, void *p1, void *p2, | |
164 | unsigned int blen1, unsigned int blen2) | |
165 | { | |
166 | int status = FSOUND_Sample_Unlock (sample, p1, p2, blen1, blen2); | |
167 | if (!status) { | |
168 | fmod_logerr ("Failed to unlock sample\n"); | |
169 | return -1; | |
170 | } | |
171 | return 0; | |
172 | } | |
173 | ||
174 | static int fmod_lock_sample ( | |
175 | FSOUND_SAMPLE *sample, | |
176 | struct audio_pcm_info *info, | |
177 | int pos, | |
178 | int len, | |
179 | void **p1, | |
180 | void **p2, | |
181 | unsigned int *blen1, | |
182 | unsigned int *blen2 | |
183 | ) | |
184 | { | |
185 | int status; | |
186 | ||
187 | status = FSOUND_Sample_Lock ( | |
188 | sample, | |
189 | pos << info->shift, | |
190 | len << info->shift, | |
191 | p1, | |
192 | p2, | |
193 | blen1, | |
194 | blen2 | |
195 | ); | |
196 | ||
197 | if (!status) { | |
198 | fmod_logerr ("Failed to lock sample\n"); | |
199 | return -1; | |
200 | } | |
201 | ||
202 | if ((*blen1 & info->align) || (*blen2 & info->align)) { | |
203 | dolog ("Lock returned misaligned length %d, %d, alignment %d\n", | |
204 | *blen1, *blen2, info->align + 1); | |
205 | ||
206 | fmod_unlock_sample (sample, *p1, *p2, *blen1, *blen2); | |
207 | ||
208 | *p1 = NULL - 1; | |
209 | *p2 = NULL - 1; | |
210 | *blen1 = ~0U; | |
211 | *blen2 = ~0U; | |
212 | return -1; | |
213 | } | |
214 | ||
215 | if (!*p1 && *blen1) { | |
216 | dolog ("warning: !p1 && blen1=%d\n", *blen1); | |
217 | *blen1 = 0; | |
218 | } | |
219 | ||
220 | if (!p2 && *blen2) { | |
221 | dolog ("warning: !p2 && blen2=%d\n", *blen2); | |
222 | *blen2 = 0; | |
223 | } | |
224 | ||
225 | return 0; | |
226 | } | |
227 | ||
228 | static int fmod_run_out (HWVoiceOut *hw) | |
229 | { | |
230 | FMODVoiceOut *fmd = (FMODVoiceOut *) hw; | |
231 | int live, decr; | |
232 | void *p1 = 0, *p2 = 0; | |
233 | unsigned int blen1 = 0, blen2 = 0; | |
234 | unsigned int len1 = 0, len2 = 0; | |
235 | int nb_live; | |
236 | ||
237 | live = audio_pcm_hw_get_live_out2 (hw, &nb_live); | |
238 | if (!live) { | |
239 | return 0; | |
240 | } | |
241 | ||
242 | if (!hw->pending_disable | |
243 | && nb_live | |
244 | && (conf.threshold && live <= conf.threshold)) { | |
245 | ldebug ("live=%d nb_live=%d\n", live, nb_live); | |
246 | return 0; | |
247 | } | |
248 | ||
249 | decr = live; | |
250 | ||
251 | if (fmd->channel >= 0) { | |
252 | int len = decr; | |
253 | int old_pos = fmd->old_pos; | |
254 | int ppos = FSOUND_GetCurrentPosition (fmd->channel); | |
255 | ||
256 | if (ppos == old_pos || !ppos) { | |
257 | return 0; | |
258 | } | |
259 | ||
260 | if ((old_pos < ppos) && ((old_pos + len) > ppos)) { | |
261 | len = ppos - old_pos; | |
262 | } | |
263 | else { | |
264 | if ((old_pos > ppos) && ((old_pos + len) > (ppos + hw->samples))) { | |
265 | len = hw->samples - old_pos + ppos; | |
266 | } | |
267 | } | |
268 | decr = len; | |
269 | ||
270 | if (audio_bug (AUDIO_FUNC, decr < 0)) { | |
271 | dolog ("decr=%d live=%d ppos=%d old_pos=%d len=%d\n", | |
272 | decr, live, ppos, old_pos, len); | |
273 | return 0; | |
274 | } | |
275 | } | |
276 | ||
277 | ||
278 | if (!decr) { | |
279 | return 0; | |
280 | } | |
281 | ||
282 | if (fmod_lock_sample (fmd->fmod_sample, &fmd->hw.info, | |
283 | fmd->old_pos, decr, | |
284 | &p1, &p2, | |
285 | &blen1, &blen2)) { | |
286 | return 0; | |
287 | } | |
288 | ||
289 | len1 = blen1 >> hw->info.shift; | |
290 | len2 = blen2 >> hw->info.shift; | |
291 | ldebug ("%p %p %d %d %d %d\n", p1, p2, len1, len2, blen1, blen2); | |
292 | decr = len1 + len2; | |
293 | ||
294 | if (p1 && len1) { | |
295 | fmod_write_sample (hw, p1, len1); | |
296 | } | |
297 | ||
298 | if (p2 && len2) { | |
299 | fmod_write_sample (hw, p2, len2); | |
300 | } | |
301 | ||
302 | fmod_unlock_sample (fmd->fmod_sample, p1, p2, blen1, blen2); | |
303 | ||
304 | fmd->old_pos = (fmd->old_pos + decr) % hw->samples; | |
305 | return decr; | |
306 | } | |
307 | ||
308 | static int aud_to_fmodfmt (audfmt_e fmt, int stereo) | |
309 | { | |
310 | int mode = FSOUND_LOOP_NORMAL; | |
311 | ||
312 | switch (fmt) { | |
313 | case AUD_FMT_S8: | |
314 | mode |= FSOUND_SIGNED | FSOUND_8BITS; | |
315 | break; | |
316 | ||
317 | case AUD_FMT_U8: | |
318 | mode |= FSOUND_UNSIGNED | FSOUND_8BITS; | |
319 | break; | |
320 | ||
321 | case AUD_FMT_S16: | |
322 | mode |= FSOUND_SIGNED | FSOUND_16BITS; | |
323 | break; | |
324 | ||
325 | case AUD_FMT_U16: | |
326 | mode |= FSOUND_UNSIGNED | FSOUND_16BITS; | |
327 | break; | |
328 | ||
329 | default: | |
330 | dolog ("Internal logic error: Bad audio format %d\n", fmt); | |
331 | #ifdef DEBUG_FMOD | |
332 | abort (); | |
333 | #endif | |
334 | mode |= FSOUND_8BITS; | |
335 | } | |
336 | mode |= stereo ? FSOUND_STEREO : FSOUND_MONO; | |
337 | return mode; | |
338 | } | |
339 | ||
340 | static void fmod_fini_out (HWVoiceOut *hw) | |
341 | { | |
342 | FMODVoiceOut *fmd = (FMODVoiceOut *) hw; | |
343 | ||
344 | if (fmd->fmod_sample) { | |
345 | FSOUND_Sample_Free (fmd->fmod_sample); | |
346 | fmd->fmod_sample = 0; | |
347 | ||
348 | if (fmd->channel >= 0) { | |
349 | FSOUND_StopSound (fmd->channel); | |
350 | } | |
351 | } | |
352 | } | |
353 | ||
354 | static int fmod_init_out (HWVoiceOut *hw, struct audsettings *as) | |
355 | { | |
356 | int bits16, mode, channel; | |
357 | FMODVoiceOut *fmd = (FMODVoiceOut *) hw; | |
358 | struct audsettings obt_as = *as; | |
359 | ||
360 | mode = aud_to_fmodfmt (as->fmt, as->nchannels == 2 ? 1 : 0); | |
361 | fmd->fmod_sample = FSOUND_Sample_Alloc ( | |
362 | FSOUND_FREE, /* index */ | |
363 | conf.nb_samples, /* length */ | |
364 | mode, /* mode */ | |
365 | as->freq, /* freq */ | |
366 | 255, /* volume */ | |
367 | 128, /* pan */ | |
368 | 255 /* priority */ | |
369 | ); | |
370 | ||
371 | if (!fmd->fmod_sample) { | |
372 | fmod_logerr2 ("DAC", "Failed to allocate FMOD sample\n"); | |
373 | return -1; | |
374 | } | |
375 | ||
376 | channel = FSOUND_PlaySoundEx (FSOUND_FREE, fmd->fmod_sample, 0, 1); | |
377 | if (channel < 0) { | |
378 | fmod_logerr2 ("DAC", "Failed to start playing sound\n"); | |
379 | FSOUND_Sample_Free (fmd->fmod_sample); | |
380 | return -1; | |
381 | } | |
382 | fmd->channel = channel; | |
383 | ||
384 | /* FMOD always operates on little endian frames? */ | |
385 | obt_as.endianness = 0; | |
386 | audio_pcm_init_info (&hw->info, &obt_as); | |
387 | bits16 = (mode & FSOUND_16BITS) != 0; | |
388 | hw->samples = conf.nb_samples; | |
389 | return 0; | |
390 | } | |
391 | ||
392 | static int fmod_ctl_out (HWVoiceOut *hw, int cmd, ...) | |
393 | { | |
394 | int status; | |
395 | FMODVoiceOut *fmd = (FMODVoiceOut *) hw; | |
396 | ||
397 | switch (cmd) { | |
398 | case VOICE_ENABLE: | |
399 | fmod_clear_sample (fmd); | |
400 | status = FSOUND_SetPaused (fmd->channel, 0); | |
401 | if (!status) { | |
402 | fmod_logerr ("Failed to resume channel %d\n", fmd->channel); | |
403 | } | |
404 | break; | |
405 | ||
406 | case VOICE_DISABLE: | |
407 | status = FSOUND_SetPaused (fmd->channel, 1); | |
408 | if (!status) { | |
409 | fmod_logerr ("Failed to pause channel %d\n", fmd->channel); | |
410 | } | |
411 | break; | |
412 | } | |
413 | return 0; | |
414 | } | |
415 | ||
416 | static int fmod_init_in (HWVoiceIn *hw, struct audsettings *as) | |
417 | { | |
418 | int bits16, mode; | |
419 | FMODVoiceIn *fmd = (FMODVoiceIn *) hw; | |
420 | struct audsettings obt_as = *as; | |
421 | ||
422 | if (conf.broken_adc) { | |
423 | return -1; | |
424 | } | |
425 | ||
426 | mode = aud_to_fmodfmt (as->fmt, as->nchannels == 2 ? 1 : 0); | |
427 | fmd->fmod_sample = FSOUND_Sample_Alloc ( | |
428 | FSOUND_FREE, /* index */ | |
429 | conf.nb_samples, /* length */ | |
430 | mode, /* mode */ | |
431 | as->freq, /* freq */ | |
432 | 255, /* volume */ | |
433 | 128, /* pan */ | |
434 | 255 /* priority */ | |
435 | ); | |
436 | ||
437 | if (!fmd->fmod_sample) { | |
438 | fmod_logerr2 ("ADC", "Failed to allocate FMOD sample\n"); | |
439 | return -1; | |
440 | } | |
441 | ||
442 | /* FMOD always operates on little endian frames? */ | |
443 | obt_as.endianness = 0; | |
444 | audio_pcm_init_info (&hw->info, &obt_as); | |
445 | bits16 = (mode & FSOUND_16BITS) != 0; | |
446 | hw->samples = conf.nb_samples; | |
447 | return 0; | |
448 | } | |
449 | ||
450 | static void fmod_fini_in (HWVoiceIn *hw) | |
451 | { | |
452 | FMODVoiceIn *fmd = (FMODVoiceIn *) hw; | |
453 | ||
454 | if (fmd->fmod_sample) { | |
455 | FSOUND_Record_Stop (); | |
456 | FSOUND_Sample_Free (fmd->fmod_sample); | |
457 | fmd->fmod_sample = 0; | |
458 | } | |
459 | } | |
460 | ||
461 | static int fmod_run_in (HWVoiceIn *hw) | |
462 | { | |
463 | FMODVoiceIn *fmd = (FMODVoiceIn *) hw; | |
464 | int hwshift = hw->info.shift; | |
465 | int live, dead, new_pos, len; | |
466 | unsigned int blen1 = 0, blen2 = 0; | |
467 | unsigned int len1, len2; | |
468 | unsigned int decr; | |
469 | void *p1, *p2; | |
470 | ||
471 | live = audio_pcm_hw_get_live_in (hw); | |
472 | dead = hw->samples - live; | |
473 | if (!dead) { | |
474 | return 0; | |
475 | } | |
476 | ||
477 | new_pos = FSOUND_Record_GetPosition (); | |
478 | if (new_pos < 0) { | |
479 | fmod_logerr ("Could not get recording position\n"); | |
480 | return 0; | |
481 | } | |
482 | ||
483 | len = audio_ring_dist (new_pos, hw->wpos, hw->samples); | |
484 | if (!len) { | |
485 | return 0; | |
486 | } | |
487 | len = audio_MIN (len, dead); | |
488 | ||
489 | if (fmod_lock_sample (fmd->fmod_sample, &fmd->hw.info, | |
490 | hw->wpos, len, | |
491 | &p1, &p2, | |
492 | &blen1, &blen2)) { | |
493 | return 0; | |
494 | } | |
495 | ||
496 | len1 = blen1 >> hwshift; | |
497 | len2 = blen2 >> hwshift; | |
498 | decr = len1 + len2; | |
499 | ||
500 | if (p1 && blen1) { | |
501 | hw->conv (hw->conv_buf + hw->wpos, p1, len1, &nominal_volume); | |
502 | } | |
503 | if (p2 && len2) { | |
504 | hw->conv (hw->conv_buf, p2, len2, &nominal_volume); | |
505 | } | |
506 | ||
507 | fmod_unlock_sample (fmd->fmod_sample, p1, p2, blen1, blen2); | |
508 | hw->wpos = (hw->wpos + decr) % hw->samples; | |
509 | return decr; | |
510 | } | |
511 | ||
512 | static struct { | |
513 | const char *name; | |
514 | int type; | |
515 | } drvtab[] = { | |
516 | { .name = "none", .type = FSOUND_OUTPUT_NOSOUND }, | |
517 | #ifdef _WIN32 | |
518 | { .name = "winmm", .type = FSOUND_OUTPUT_WINMM }, | |
519 | { .name = "dsound", .type = FSOUND_OUTPUT_DSOUND }, | |
520 | { .name = "a3d", .type = FSOUND_OUTPUT_A3D }, | |
521 | { .name = "asio", .type = FSOUND_OUTPUT_ASIO }, | |
522 | #endif | |
523 | #ifdef __linux__ | |
524 | { .name = "oss", .type = FSOUND_OUTPUT_OSS }, | |
525 | { .name = "alsa", .type = FSOUND_OUTPUT_ALSA }, | |
526 | { .name = "esd", .type = FSOUND_OUTPUT_ESD }, | |
527 | #endif | |
528 | #ifdef __APPLE__ | |
529 | { .name = "mac", .type = FSOUND_OUTPUT_MAC }, | |
530 | #endif | |
531 | #if 0 | |
532 | { .name = "xbox", .type = FSOUND_OUTPUT_XBOX }, | |
533 | { .name = "ps2", .type = FSOUND_OUTPUT_PS2 }, | |
534 | { .name = "gcube", .type = FSOUND_OUTPUT_GC }, | |
535 | #endif | |
536 | { .name = "none-realtime", .type = FSOUND_OUTPUT_NOSOUND_NONREALTIME } | |
537 | }; | |
538 | ||
539 | static void *fmod_audio_init (void) | |
540 | { | |
541 | size_t i; | |
542 | double ver; | |
543 | int status; | |
544 | int output_type = -1; | |
545 | const char *drv = conf.drvname; | |
546 | ||
547 | ver = FSOUND_GetVersion (); | |
548 | if (ver < FMOD_VERSION) { | |
549 | dolog ("Wrong FMOD version %f, need at least %f\n", ver, FMOD_VERSION); | |
550 | return NULL; | |
551 | } | |
552 | ||
553 | #ifdef __linux__ | |
554 | if (ver < 3.75) { | |
555 | dolog ("FMOD before 3.75 has bug preventing ADC from working\n" | |
556 | "ADC will be disabled.\n"); | |
557 | conf.broken_adc = 1; | |
558 | } | |
559 | #endif | |
560 | ||
561 | if (drv) { | |
562 | int found = 0; | |
563 | for (i = 0; i < ARRAY_SIZE (drvtab); i++) { | |
564 | if (!strcmp (drv, drvtab[i].name)) { | |
565 | output_type = drvtab[i].type; | |
566 | found = 1; | |
567 | break; | |
568 | } | |
569 | } | |
570 | if (!found) { | |
571 | dolog ("Unknown FMOD driver `%s'\n", drv); | |
572 | dolog ("Valid drivers:\n"); | |
573 | for (i = 0; i < ARRAY_SIZE (drvtab); i++) { | |
574 | dolog (" %s\n", drvtab[i].name); | |
575 | } | |
576 | } | |
577 | } | |
578 | ||
579 | if (output_type != -1) { | |
580 | status = FSOUND_SetOutput (output_type); | |
581 | if (!status) { | |
582 | fmod_logerr ("FSOUND_SetOutput(%d) failed\n", output_type); | |
583 | return NULL; | |
584 | } | |
585 | } | |
586 | ||
587 | if (conf.bufsize) { | |
588 | status = FSOUND_SetBufferSize (conf.bufsize); | |
589 | if (!status) { | |
590 | fmod_logerr ("FSOUND_SetBufferSize (%d) failed\n", conf.bufsize); | |
591 | } | |
592 | } | |
593 | ||
594 | status = FSOUND_Init (conf.freq, conf.nb_channels, 0); | |
595 | if (!status) { | |
596 | fmod_logerr ("FSOUND_Init failed\n"); | |
597 | return NULL; | |
598 | } | |
599 | ||
600 | return &conf; | |
601 | } | |
602 | ||
603 | static int fmod_read (SWVoiceIn *sw, void *buf, int size) | |
604 | { | |
605 | return audio_pcm_sw_read (sw, buf, size); | |
606 | } | |
607 | ||
608 | static int fmod_ctl_in (HWVoiceIn *hw, int cmd, ...) | |
609 | { | |
610 | int status; | |
611 | FMODVoiceIn *fmd = (FMODVoiceIn *) hw; | |
612 | ||
613 | switch (cmd) { | |
614 | case VOICE_ENABLE: | |
615 | status = FSOUND_Record_StartSample (fmd->fmod_sample, 1); | |
616 | if (!status) { | |
617 | fmod_logerr ("Failed to start recording\n"); | |
618 | } | |
619 | break; | |
620 | ||
621 | case VOICE_DISABLE: | |
622 | status = FSOUND_Record_Stop (); | |
623 | if (!status) { | |
624 | fmod_logerr ("Failed to stop recording\n"); | |
625 | } | |
626 | break; | |
627 | } | |
628 | return 0; | |
629 | } | |
630 | ||
631 | static void fmod_audio_fini (void *opaque) | |
632 | { | |
633 | (void) opaque; | |
634 | FSOUND_Close (); | |
635 | } | |
636 | ||
637 | static struct audio_option fmod_options[] = { | |
638 | { | |
639 | .name = "DRV", | |
640 | .tag = AUD_OPT_STR, | |
641 | .valp = &conf.drvname, | |
642 | .descr = "FMOD driver" | |
643 | }, | |
644 | { | |
645 | .name = "FREQ", | |
646 | .tag = AUD_OPT_INT, | |
647 | .valp = &conf.freq, | |
648 | .descr = "Default frequency" | |
649 | }, | |
650 | { | |
651 | .name = "SAMPLES", | |
652 | .tag = AUD_OPT_INT, | |
653 | .valp = &conf.nb_samples, | |
654 | .descr = "Buffer size in samples" | |
655 | }, | |
656 | { | |
657 | .name = "CHANNELS", | |
658 | .tag = AUD_OPT_INT, | |
659 | .valp = &conf.nb_channels, | |
660 | .descr = "Number of default channels (1 - mono, 2 - stereo)" | |
661 | }, | |
662 | { | |
663 | .name = "BUFSIZE", | |
664 | .tag = AUD_OPT_INT, | |
665 | .valp = &conf.bufsize, | |
666 | .descr = "(undocumented)" | |
667 | } | |
668 | #if 0 | |
669 | { | |
670 | .name = "THRESHOLD", | |
671 | .tag = AUD_OPT_INT, | |
672 | .valp = &conf.threshold, | |
673 | .descr = "(undocumented)" | |
674 | } | |
675 | #endif | |
676 | { /* End of list */ } | |
677 | }; | |
678 | ||
679 | static struct audio_pcm_ops fmod_pcm_ops = { | |
680 | .init_out = fmod_init_out, | |
681 | .fini_out = fmod_fini_out, | |
682 | .run_out = fmod_run_out, | |
683 | .write = fmod_write, | |
684 | .ctl_out = fmod_ctl_out, | |
685 | ||
686 | .init_in = fmod_init_in, | |
687 | .fini_in = fmod_fini_in, | |
688 | .run_in = fmod_run_in, | |
689 | .read = fmod_read, | |
690 | .ctl_in = fmod_ctl_in | |
691 | }; | |
692 | ||
693 | struct audio_driver fmod_audio_driver = { | |
694 | .name = "fmod", | |
695 | .descr = "FMOD 3.xx http://www.fmod.org", | |
696 | .options = fmod_options, | |
697 | .init = fmod_audio_init, | |
698 | .fini = fmod_audio_fini, | |
699 | .pcm_ops = &fmod_pcm_ops, | |
700 | .can_be_default = 1, | |
701 | .max_voices_out = INT_MAX, | |
702 | .max_voices_in = INT_MAX, | |
703 | .voice_size_out = sizeof (FMODVoiceOut), | |
704 | .voice_size_in = sizeof (FMODVoiceIn) | |
705 | }; |