1 | /* |
---|
2 | Copyright (C) 2003-2013 Paul Brossier <piem@aubio.org> |
---|
3 | |
---|
4 | This file is part of aubio. |
---|
5 | |
---|
6 | aubio is free software: you can redistribute it and/or modify |
---|
7 | it under the terms of the GNU General Public License as published by |
---|
8 | the Free Software Foundation, either version 3 of the License, or |
---|
9 | (at your option) any later version. |
---|
10 | |
---|
11 | aubio is distributed in the hope that it will be useful, |
---|
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
---|
14 | GNU General Public License for more details. |
---|
15 | |
---|
16 | You should have received a copy of the GNU General Public License |
---|
17 | along with aubio. If not, see <http://www.gnu.org/licenses/>. |
---|
18 | |
---|
19 | */ |
---|
20 | |
---|
21 | #include <assert.h> |
---|
22 | |
---|
23 | #include "aubio_priv.h" |
---|
24 | #include "fvec.h" |
---|
25 | #include "fmat.h" |
---|
26 | #include "io/source.h" |
---|
27 | #include "utils/ringbuffer.h" |
---|
28 | #include "effects/timestretch.h" |
---|
29 | #include "synth/sampler.h" |
---|
30 | |
---|
31 | #ifdef HAVE_PTHREAD_H |
---|
32 | #define HAVE_THREADS 1 |
---|
33 | #include <pthread.h> |
---|
34 | #else |
---|
35 | // FIXME add support for threading on windows |
---|
36 | #warning "compiling sampler without threading" |
---|
37 | #endif |
---|
38 | |
---|
39 | typedef enum { |
---|
40 | aubio_sampler_reading_from_source, |
---|
41 | aubio_sampler_reading_from_table, |
---|
42 | aubio_sampler_n_reading_methods |
---|
43 | } aubio_sampler_reading_method; |
---|
44 | |
---|
45 | |
---|
46 | typedef enum { |
---|
47 | aubio_sampler_interp_pitchtime, |
---|
48 | aubio_sampler_interp_quad, |
---|
49 | aubio_sampler_interp_lin, |
---|
50 | aubio_sampler_n_interp_methods |
---|
51 | } aubio_sampler_interp_method; |
---|
52 | |
---|
53 | struct _aubio_sampler_t { |
---|
54 | uint_t samplerate; |
---|
55 | uint_t blocksize; |
---|
56 | // current reading mode (can be a file or an array) |
---|
57 | uint_t reading_from; |
---|
58 | // current interpolation mode (can be quadratic, timestretch, ...) |
---|
59 | uint_t interp; |
---|
60 | aubio_ringbuffer_t *ring; |
---|
61 | uint_t perfectloop; |
---|
62 | uint_t eof_remaining; |
---|
63 | // reading from a table |
---|
64 | fvec_t *table; |
---|
65 | uint_t table_index; |
---|
66 | // reading from a source |
---|
67 | aubio_source_t *source; |
---|
68 | const char_t *uri; |
---|
69 | uint_t playing; |
---|
70 | uint_t opened; |
---|
71 | uint_t loop; |
---|
72 | uint_t finished; // end of file was reached |
---|
73 | uint_t eof; // end of file is now |
---|
74 | // time stretching |
---|
75 | aubio_timestretch_t *ts; |
---|
76 | #ifdef HAVE_THREADS |
---|
77 | // file reading thread |
---|
78 | pthread_t read_thread; |
---|
79 | uint_t threaded_read; // use reading thread? |
---|
80 | pthread_mutex_t read_mutex; |
---|
81 | pthread_cond_t read_avail; |
---|
82 | pthread_cond_t read_request; |
---|
83 | uint_t source_blocksize; |
---|
84 | fvec_t *source_output; |
---|
85 | fvec_t *source_output_tmp; |
---|
86 | uint_t last_read; |
---|
87 | fmat_t *source_moutput; |
---|
88 | uint_t channels; |
---|
89 | // file opening thread |
---|
90 | pthread_t open_thread; |
---|
91 | pthread_mutex_t open_mutex; |
---|
92 | uint_t waited; // number of frames skipped while opening |
---|
93 | const char_t *next_uri; |
---|
94 | uint_t open_thread_running; |
---|
95 | sint_t available; // number of samples currently available |
---|
96 | uint_t started; // source warmed up |
---|
97 | uint_t read_thread_finish; // flag to tell reading thread to exit |
---|
98 | #endif |
---|
99 | }; |
---|
100 | |
---|
101 | static sint_t aubio_sampler_pull_from_source(aubio_sampler_t *s); |
---|
102 | |
---|
103 | static void aubio_sampler_do_eof(aubio_sampler_t *s); |
---|
104 | |
---|
105 | static void aubio_sampler_read(aubio_sampler_t *s, fvec_t *output, uint_t *read); |
---|
106 | static void aubio_sampler_read_from_source(aubio_sampler_t *s, fvec_t *output, uint_t *read); |
---|
107 | static void aubio_sampler_read_from_table(aubio_sampler_t *s, fvec_t *output, uint_t *read); |
---|
108 | |
---|
109 | #ifdef HAVE_THREADS |
---|
110 | static void *aubio_sampler_openfn(void *p); |
---|
111 | static void *aubio_sampler_readfn(void *p); |
---|
112 | static void aubio_sampler_open_opening_thread(aubio_sampler_t *o); |
---|
113 | static void aubio_sampler_open_reading_thread(aubio_sampler_t *o); |
---|
114 | static void aubio_sampler_close_opening_thread(aubio_sampler_t *o); |
---|
115 | static void aubio_sampler_close_reading_thread(aubio_sampler_t *o); |
---|
116 | #endif |
---|
117 | |
---|
118 | aubio_sampler_t *new_aubio_sampler(uint_t blocksize, uint_t samplerate) |
---|
119 | { |
---|
120 | aubio_sampler_t *s = AUBIO_NEW(aubio_sampler_t); |
---|
121 | if ((sint_t)blocksize < 1) { |
---|
122 | AUBIO_ERR("sampler: got blocksize %d, but can not be < 1\n", blocksize); |
---|
123 | goto beach; |
---|
124 | } |
---|
125 | s->samplerate = samplerate; |
---|
126 | s->blocksize = blocksize; |
---|
127 | s->source = NULL; |
---|
128 | s->playing = 0; |
---|
129 | s->loop = 0; |
---|
130 | s->uri = NULL; |
---|
131 | s->finished = 1; |
---|
132 | s->eof = 0; |
---|
133 | s->opened = 0; |
---|
134 | s->available = 0; |
---|
135 | |
---|
136 | s->threaded_read = 0; |
---|
137 | s->perfectloop = 0; |
---|
138 | #if 0 // naive mode |
---|
139 | s->source_blocksize = s->blocksize; |
---|
140 | #elif 0 // threaded mode, no ringbuffer |
---|
141 | s->source_blocksize = s->blocksize; |
---|
142 | s->threaded_read = 1; |
---|
143 | #elif 0 // unthreaded, with ringbuffer |
---|
144 | s->source_blocksize = 2048; //32 * s->blocksize; |
---|
145 | s->perfectloop = 1; |
---|
146 | #elif 1 // threaded with ringhbuffer |
---|
147 | s->source_blocksize = 2048; //32 * s->blocksize; |
---|
148 | s->perfectloop = 1; |
---|
149 | s->threaded_read = 0; |
---|
150 | #endif |
---|
151 | |
---|
152 | if (s->source_blocksize < s->blocksize) { |
---|
153 | s->source_blocksize = s->blocksize; |
---|
154 | } |
---|
155 | // FIXME: perfectloop fails if source_blocksize > 2048 with source_avcodec |
---|
156 | //s->source_blocksize = 8192; |
---|
157 | |
---|
158 | if (s->perfectloop || s->source_blocksize != s->blocksize) { |
---|
159 | s->ring = new_aubio_ringbuffer(s->source_blocksize * 2, s->blocksize); |
---|
160 | } |
---|
161 | if (s->threaded_read || s->perfectloop || s->ring) |
---|
162 | s->source_output = new_fvec(s->source_blocksize); |
---|
163 | //s->channels = 1; |
---|
164 | //s->source_moutput = new_fmat(s->source_blocksize, s->channels); |
---|
165 | |
---|
166 | #ifdef HAVE_THREADS |
---|
167 | aubio_sampler_open_opening_thread(s); |
---|
168 | |
---|
169 | if (s->threaded_read) { |
---|
170 | //AUBIO_WRN("sampler: starting reading thread\n"); |
---|
171 | aubio_sampler_open_reading_thread(s); |
---|
172 | } |
---|
173 | #endif |
---|
174 | |
---|
175 | #if 0 |
---|
176 | s->reading_from = aubio_sampler_reading_from_table; |
---|
177 | s->perfectloop = 1; |
---|
178 | s->threaded_read = 0; |
---|
179 | s->opened = 1; |
---|
180 | s->finished = 1; |
---|
181 | s->table_index = 0; |
---|
182 | #endif |
---|
183 | |
---|
184 | s->ts = new_aubio_timestretch("default", 1., s->blocksize, s->samplerate); |
---|
185 | s->source_output_tmp = new_fvec(s->source_blocksize); |
---|
186 | s->last_read = 0; |
---|
187 | |
---|
188 | return s; |
---|
189 | beach: |
---|
190 | AUBIO_FREE(s); |
---|
191 | return NULL; |
---|
192 | } |
---|
193 | |
---|
194 | #ifdef HAVE_THREADS |
---|
195 | void aubio_sampler_open_opening_thread(aubio_sampler_t *s) { |
---|
196 | pthread_mutex_init(&s->open_mutex, 0); |
---|
197 | s->waited = 0; |
---|
198 | s->open_thread = 0; |
---|
199 | s->open_thread_running = 0; |
---|
200 | } |
---|
201 | |
---|
202 | void aubio_sampler_open_reading_thread(aubio_sampler_t *s) { |
---|
203 | s->read_thread_finish = 0; |
---|
204 | pthread_mutex_init(&s->read_mutex, 0); |
---|
205 | pthread_cond_init (&s->read_avail, 0); |
---|
206 | pthread_cond_init (&s->read_request, 0); |
---|
207 | pthread_create(&s->read_thread, 0, aubio_sampler_readfn, s); |
---|
208 | } |
---|
209 | |
---|
210 | void aubio_sampler_close_opening_thread(aubio_sampler_t *o) { |
---|
211 | // clean up opening thread |
---|
212 | void *threadret; |
---|
213 | if (!o->open_thread) return; |
---|
214 | pthread_mutex_destroy(&o->open_mutex); |
---|
215 | if (o->open_thread_running) { |
---|
216 | if (pthread_cancel(o->open_thread)) { |
---|
217 | AUBIO_WRN("sampler: cancelling file opening thread failed\n"); |
---|
218 | } |
---|
219 | } |
---|
220 | if (o->open_thread && pthread_join(o->open_thread, &threadret)) { |
---|
221 | AUBIO_WRN("sampler: joining file opening thread failed\n"); |
---|
222 | } |
---|
223 | pthread_mutex_destroy(&o->open_mutex); |
---|
224 | o->open_thread = 0; |
---|
225 | } |
---|
226 | |
---|
227 | void aubio_sampler_close_reading_thread(aubio_sampler_t *o) { |
---|
228 | // clean up reading thread |
---|
229 | void *threadret; |
---|
230 | if (!o->read_thread) return; |
---|
231 | o->read_thread_finish = 1; |
---|
232 | pthread_cond_signal(&o->read_request); |
---|
233 | if (pthread_cancel(o->read_thread)) { |
---|
234 | AUBIO_WRN("sampler: cancelling file reading thread failed\n"); |
---|
235 | } |
---|
236 | if (pthread_join(o->read_thread, &threadret)) { |
---|
237 | AUBIO_WRN("sampler: joining file reading thread failed\n"); |
---|
238 | } |
---|
239 | pthread_mutex_destroy(&o->read_mutex); |
---|
240 | pthread_cond_destroy(&o->read_avail); |
---|
241 | pthread_cond_destroy(&o->read_request); |
---|
242 | o->read_thread = 0; |
---|
243 | } |
---|
244 | #endif |
---|
245 | |
---|
246 | uint_t aubio_sampler_load( aubio_sampler_t * o, const char_t * uri ) |
---|
247 | { |
---|
248 | uint_t ret = AUBIO_FAIL; |
---|
249 | aubio_source_t *oldsource = o->source, *newsource = NULL; |
---|
250 | newsource = new_aubio_source(uri, o->samplerate, o->source_blocksize); |
---|
251 | if (newsource) { |
---|
252 | uint_t duration = aubio_source_get_duration(newsource); |
---|
253 | if (duration < o->blocksize) { |
---|
254 | AUBIO_WRN("sampler: %s is %d frames long, but blocksize is %d\n", |
---|
255 | uri, duration, o->blocksize); |
---|
256 | } |
---|
257 | o->source = newsource; |
---|
258 | if (oldsource) del_aubio_source(oldsource); |
---|
259 | if (o->samplerate == 0) { |
---|
260 | o->samplerate = aubio_source_get_samplerate(o->source); |
---|
261 | } |
---|
262 | o->uri = uri; |
---|
263 | o->finished = 0; |
---|
264 | o->eof = 0; |
---|
265 | o->eof_remaining = 0; |
---|
266 | o->opened = 1; |
---|
267 | ret = AUBIO_OK; |
---|
268 | AUBIO_MSG("sampler: loaded %s\n", uri); |
---|
269 | if (o->waited) { |
---|
270 | AUBIO_WRN("sampler: %.2fms (%d samples) taken to load %s\n", 1000. * |
---|
271 | o->waited / (smpl_t)o->samplerate, o->waited, o->uri); |
---|
272 | } |
---|
273 | } else { |
---|
274 | o->source = NULL; |
---|
275 | if (oldsource) del_aubio_source(oldsource); |
---|
276 | o->playing = 0; |
---|
277 | o->uri = NULL; |
---|
278 | o->finished = 1; |
---|
279 | o->eof = 0; |
---|
280 | o->eof_remaining = 0; |
---|
281 | o->opened = 0; |
---|
282 | AUBIO_WRN("sampler: failed loading %s\n", uri); |
---|
283 | } |
---|
284 | if (o->ring) { |
---|
285 | //AUBIO_WRN("sampler: resetting ringbuffer\n"); |
---|
286 | aubio_ringbuffer_reset(o->ring); |
---|
287 | } |
---|
288 | return ret; |
---|
289 | } |
---|
290 | |
---|
291 | #ifdef HAVE_THREADS |
---|
292 | static void *aubio_sampler_openfn(void *z) { |
---|
293 | aubio_sampler_t *p = z; |
---|
294 | uint_t err; |
---|
295 | int oldtype; |
---|
296 | void *ret; |
---|
297 | pthread_setcancelstate(PTHREAD_CANCEL_ASYNCHRONOUS, &oldtype); |
---|
298 | pthread_mutex_lock(&p->open_mutex); |
---|
299 | p->open_thread_running = 1; |
---|
300 | err = aubio_sampler_load(p, p->next_uri); |
---|
301 | p->open_thread_running = 0; |
---|
302 | pthread_mutex_unlock(&p->open_mutex); |
---|
303 | ret = &err; |
---|
304 | pthread_exit(ret); |
---|
305 | } |
---|
306 | #endif |
---|
307 | |
---|
308 | uint_t |
---|
309 | aubio_sampler_queue(aubio_sampler_t *o, const char_t *uri) |
---|
310 | { |
---|
311 | #ifdef HAVE_THREADS |
---|
312 | uint_t ret = AUBIO_OK; |
---|
313 | |
---|
314 | if (o->reading_from == aubio_sampler_reading_from_table) { |
---|
315 | o->reading_from = aubio_sampler_reading_from_source; |
---|
316 | o->opened = 0; |
---|
317 | o->finished = 1; |
---|
318 | } |
---|
319 | /* open uri in open_thread */ |
---|
320 | if (o->open_thread_running) { |
---|
321 | // cancel previous open_thread |
---|
322 | if (pthread_cancel(o->open_thread)) { |
---|
323 | AUBIO_WRN("sampler: failed queuing %s (cancelling existing open thread failed)\n", uri); |
---|
324 | return AUBIO_FAIL; |
---|
325 | } else { |
---|
326 | AUBIO_WRN("sampler: cancelled queuing %s (queuing %s now)\n", |
---|
327 | o->next_uri, uri); |
---|
328 | } |
---|
329 | o->open_thread_running = 0; |
---|
330 | } |
---|
331 | void *threadret; |
---|
332 | if (o->open_thread && pthread_join(o->open_thread, &threadret)) { |
---|
333 | AUBIO_WRN("sampler: joining thread failed\n"); |
---|
334 | } |
---|
335 | if (pthread_mutex_trylock(&o->open_mutex)) { |
---|
336 | AUBIO_WRN("sampler: failed queuing %s (locking failed)\n", uri); |
---|
337 | ret = AUBIO_FAIL; |
---|
338 | goto lock_failed; |
---|
339 | } |
---|
340 | o->opened = 0; // while opening |
---|
341 | o->started = 0; |
---|
342 | o->available = 0; |
---|
343 | o->next_uri = uri; |
---|
344 | o->waited = 0; |
---|
345 | if (pthread_create(&o->open_thread, 0, aubio_sampler_openfn, o) != 0) { |
---|
346 | AUBIO_ERR("sampler: failed creating opening thread\n"); |
---|
347 | ret = AUBIO_FAIL; |
---|
348 | goto thread_create_failed; |
---|
349 | } |
---|
350 | |
---|
351 | thread_create_failed: |
---|
352 | pthread_mutex_unlock(&o->open_mutex); |
---|
353 | lock_failed: |
---|
354 | if (ret == AUBIO_OK) { |
---|
355 | //AUBIO_WRN("sampler: queued %s\n", uri); |
---|
356 | } else { |
---|
357 | AUBIO_ERR("sampler: queueing %s failed\n", uri); |
---|
358 | } |
---|
359 | return ret; |
---|
360 | #else |
---|
361 | AUBIO_WRN("sampler: opening %s, not queueing (not compiled with threading)\n", uri); |
---|
362 | return aubio_sampler_load(o, uri); |
---|
363 | #endif |
---|
364 | } |
---|
365 | |
---|
366 | #ifdef HAVE_THREADS |
---|
367 | |
---|
368 | uint_t aubio_sampler_reading_from_source_ring_fetch(aubio_sampler_t*s); |
---|
369 | |
---|
370 | void *aubio_sampler_readfn(void *z) { |
---|
371 | aubio_sampler_t *p = z; |
---|
372 | while(1) { |
---|
373 | pthread_mutex_lock(&p->read_mutex); |
---|
374 | if (p->open_thread_running) { |
---|
375 | //AUBIO_WRN("sampler: readfn(): file is being opened\n"); |
---|
376 | pthread_cond_signal(&p->read_avail); |
---|
377 | //pthread_cond_wait(&p->read_request, &p->read_mutex); |
---|
378 | } else if (p->opened && !p->started && !p->finished) { |
---|
379 | //AUBIO_WRN("sampler: readfn(): file started\n"); |
---|
380 | if (p->ring) { |
---|
381 | p->available = aubio_sampler_reading_from_source_ring_fetch(p); |
---|
382 | } else { |
---|
383 | p->available = aubio_sampler_pull_from_source(p); |
---|
384 | if (p->available < (sint_t)p->source_blocksize) |
---|
385 | aubio_sampler_do_eof(p); |
---|
386 | } |
---|
387 | pthread_cond_signal(&p->read_avail); |
---|
388 | if (!p->finished) { |
---|
389 | pthread_cond_wait(&p->read_request, &p->read_mutex); |
---|
390 | } |
---|
391 | } else { |
---|
392 | //AUBIO_WRN("sampler: readfn(): idle?\n"); |
---|
393 | pthread_cond_signal(&p->read_avail); |
---|
394 | pthread_cond_wait(&p->read_request, &p->read_mutex); |
---|
395 | if (p->read_thread_finish) { |
---|
396 | goto done; |
---|
397 | } |
---|
398 | } |
---|
399 | pthread_mutex_unlock(&p->read_mutex); |
---|
400 | } |
---|
401 | done: |
---|
402 | //AUBIO_WRN("sampler: exiting reading thread\n"); |
---|
403 | pthread_mutex_unlock(&p->read_mutex); |
---|
404 | pthread_exit(NULL); |
---|
405 | } |
---|
406 | #endif |
---|
407 | |
---|
408 | void |
---|
409 | aubio_sampler_read(aubio_sampler_t *s, fvec_t *output, uint_t *read) { |
---|
410 | if (s->reading_from == aubio_sampler_reading_from_source) { |
---|
411 | aubio_sampler_read_from_source(s, output, read); |
---|
412 | } else if (s->reading_from == aubio_sampler_reading_from_table) { |
---|
413 | aubio_sampler_read_from_table(s, output, read); |
---|
414 | } |
---|
415 | } |
---|
416 | |
---|
417 | static void |
---|
418 | aubio_sampler_reading_from_source_naive(aubio_sampler_t *s, fvec_t * output, |
---|
419 | uint_t *read) |
---|
420 | { |
---|
421 | // directly read from disk |
---|
422 | //aubio_source_do(s->source, output, read); |
---|
423 | s->source_output = output; |
---|
424 | *read = aubio_sampler_pull_from_source(s); |
---|
425 | if (*read < s->source_blocksize) { |
---|
426 | //AUBIO_WRN("sampler: calling go_eof in _read_from_source()\n"); |
---|
427 | aubio_sampler_do_eof(s); |
---|
428 | } |
---|
429 | } |
---|
430 | |
---|
431 | uint_t |
---|
432 | aubio_sampler_reading_from_source_ring_fetch(aubio_sampler_t*s) { |
---|
433 | // read source_blocksize (> blocksize) at once |
---|
434 | int ring_avail = aubio_ringbuffer_get_available(s->ring); |
---|
435 | //if (ring_avail < s->blocksize) { |
---|
436 | uint_t available = 0; |
---|
437 | if (ring_avail < (sint_t)s->blocksize) { |
---|
438 | available = aubio_sampler_pull_from_source(s); |
---|
439 | if (available > 0) { |
---|
440 | aubio_ringbuffer_push(s->ring, s->source_output, available); |
---|
441 | } |
---|
442 | if (available < s->blocksize) { |
---|
443 | //AUBIO_WRN("sampler: short read %d\n", available); |
---|
444 | if (ring_avail + available <= s->blocksize) { |
---|
445 | s->eof_remaining = available + ring_avail; |
---|
446 | if (s->eof_remaining == 0) s->eof_remaining = s->blocksize; |
---|
447 | ring_avail = aubio_ringbuffer_get_available(s->ring); |
---|
448 | //AUBIO_ERR("sampler: eof in: %d, last fetch: %d, in ring: %d\n", |
---|
449 | // s->eof_remaining, available, ring_avail); |
---|
450 | if (s->loop) { |
---|
451 | aubio_sampler_seek(s,0); |
---|
452 | // read some frames from beginning of source for perfect looping |
---|
453 | if (s->perfectloop) { |
---|
454 | available = aubio_sampler_pull_from_source(s); |
---|
455 | if (available <= 0) { |
---|
456 | AUBIO_ERR("sampler: perfectloop but s->available = 0 !\n"); |
---|
457 | } else { |
---|
458 | aubio_ringbuffer_push(s->ring, s->source_output, available); |
---|
459 | } |
---|
460 | } |
---|
461 | } |
---|
462 | } |
---|
463 | } |
---|
464 | } |
---|
465 | return available; |
---|
466 | } |
---|
467 | |
---|
468 | static void |
---|
469 | aubio_sampler_reading_from_source_ring_pull(aubio_sampler_t *s, fvec_t *output, |
---|
470 | uint_t *read) |
---|
471 | { |
---|
472 | // write into output |
---|
473 | int ring_avail = aubio_ringbuffer_get_available(s->ring); |
---|
474 | if (ring_avail >= (sint_t)s->blocksize) { |
---|
475 | //AUBIO_MSG("sampler: pulling %d / %d from ringbuffer\n", s->blocksize, ring_avail); |
---|
476 | aubio_ringbuffer_pull(s->ring, output, s->blocksize); |
---|
477 | *read = s->blocksize; |
---|
478 | if (s->eof_remaining > 0) { |
---|
479 | if (s->eof_remaining <= s->blocksize) { |
---|
480 | //AUBIO_WRN("sampler: signaling eof\n"); |
---|
481 | s->eof = 1; // signal eof |
---|
482 | s->eof_remaining = 0; |
---|
483 | } else if (s->eof_remaining <= s->source_blocksize) { |
---|
484 | s->eof_remaining -= s->blocksize; |
---|
485 | } |
---|
486 | } |
---|
487 | } else { |
---|
488 | //AUBIO_MSG("sampler: last frame, pulling remaining %d left\n", ring_avail); |
---|
489 | *read = 0; |
---|
490 | if (ring_avail > 0) { |
---|
491 | // pull remaining frames in ring buffer |
---|
492 | aubio_ringbuffer_pull(s->ring, output, ring_avail); |
---|
493 | *read += ring_avail; |
---|
494 | } |
---|
495 | // signal eof |
---|
496 | aubio_sampler_do_eof(s); |
---|
497 | // finished playing, reset ringbuffer for next read |
---|
498 | if (!s->playing) |
---|
499 | aubio_ringbuffer_reset(s->ring); |
---|
500 | } |
---|
501 | } |
---|
502 | |
---|
503 | static void |
---|
504 | aubio_sampler_reading_from_source_ring(aubio_sampler_t *s, fvec_t *output, |
---|
505 | uint_t *read) |
---|
506 | { |
---|
507 | #if 0 |
---|
508 | aubio_sampler_reading_from_source_ring_fetch(s); |
---|
509 | aubio_sampler_reading_from_source_ring_pull(s, output, read); |
---|
510 | #else // raw version |
---|
511 | uint_t source_read; |
---|
512 | while (aubio_timestretch_get_available(s->ts) < (sint_t)s->blocksize |
---|
513 | && s->eof_remaining == 0) { |
---|
514 | aubio_source_do(s->source, s->source_output, &source_read); |
---|
515 | aubio_timestretch_push(s->ts, s->source_output, source_read); |
---|
516 | if (source_read < s->source_output->length) s->eof_remaining = source_read; |
---|
517 | //AUBIO_WRN("sampler: pushed %d, now %d available\n", |
---|
518 | // source_read, aubio_timestretch_get_available(s->ts)); |
---|
519 | } |
---|
520 | aubio_timestretch_do(s->ts, output, read); |
---|
521 | if (s->eof_remaining > s->blocksize) { |
---|
522 | s->eof_remaining -= s->blocksize; |
---|
523 | } |
---|
524 | if (*read < output->length) { |
---|
525 | //AUBIO_WRN("sampler: short read %d, eof at %d\n", *read, s->eof_remaining); |
---|
526 | s->eof_remaining = 0; |
---|
527 | aubio_timestretch_reset(s->ts); |
---|
528 | aubio_sampler_do_eof(s); |
---|
529 | if (s->loop && s->perfectloop) { |
---|
530 | fvec_t tmpout; tmpout.data = output->data + *read; |
---|
531 | tmpout.length = output->length - *read; |
---|
532 | uint_t partialread; |
---|
533 | while (aubio_timestretch_get_available(s->ts) < (sint_t)tmpout.length |
---|
534 | && s->eof_remaining == 0) { |
---|
535 | aubio_source_do(s->source, s->source_output, &source_read); |
---|
536 | aubio_timestretch_push(s->ts, s->source_output, source_read); |
---|
537 | if (source_read < s->source_output->length) s->eof_remaining = source_read; |
---|
538 | } |
---|
539 | aubio_timestretch_do(s->ts, &tmpout, &partialread); |
---|
540 | //AUBIO_WRN("sampler: partial read %d + %d\n", *read, partialread); |
---|
541 | *read += partialread; |
---|
542 | } |
---|
543 | } |
---|
544 | #endif |
---|
545 | } |
---|
546 | |
---|
547 | #ifdef HAVE_THREADS |
---|
548 | static void |
---|
549 | aubio_sampler_read_from_source_threaded(aubio_sampler_t *s, fvec_t *output, |
---|
550 | uint_t *read) { |
---|
551 | // request at least output->length |
---|
552 | // make sure we have enough samples read from source |
---|
553 | int available; |
---|
554 | pthread_mutex_lock(&s->read_mutex); |
---|
555 | if (!s->opened || s->open_thread_running) { |
---|
556 | //AUBIO_ERR("sampler: _read_from_source: not opened, signaling read_request\n"); |
---|
557 | pthread_cond_signal(&s->read_request); |
---|
558 | available = 0; |
---|
559 | } else if (!s->finished) { |
---|
560 | pthread_cond_signal(&s->read_request); |
---|
561 | pthread_cond_wait(&s->read_avail, &s->read_mutex); |
---|
562 | //AUBIO_ERR("sampler: _read_from_source: %d\n", s->available); |
---|
563 | available = s->available; |
---|
564 | } else { |
---|
565 | //AUBIO_WRN("sampler: _read_from_source: eof\n"); |
---|
566 | pthread_cond_signal(&s->read_request); |
---|
567 | available = 0; |
---|
568 | } |
---|
569 | pthread_mutex_unlock(&s->read_mutex); |
---|
570 | //AUBIO_WRN("sampler: got %d available in _read_from_source\n", available); |
---|
571 | // read -> number of samples read |
---|
572 | if (!s->perfectloop && s->source_blocksize == s->blocksize) { |
---|
573 | if (available >= (sint_t)s->blocksize) { |
---|
574 | fvec_copy(s->source_output, output); |
---|
575 | *read = s->blocksize; |
---|
576 | } else if (available > 0) { |
---|
577 | fvec_copy(s->source_output, output); |
---|
578 | *read = available; |
---|
579 | } else { |
---|
580 | fvec_zeros(output); |
---|
581 | *read = 0; |
---|
582 | } |
---|
583 | } else { |
---|
584 | aubio_sampler_reading_from_source_ring_pull(s, output, read); |
---|
585 | } |
---|
586 | } |
---|
587 | #endif |
---|
588 | |
---|
589 | void |
---|
590 | aubio_sampler_read_from_source(aubio_sampler_t *s, fvec_t *output, uint_t *read) { |
---|
591 | #ifdef HAVE_THREADS |
---|
592 | if (s->threaded_read) { // if threaded |
---|
593 | aubio_sampler_read_from_source_threaded(s, output, read); |
---|
594 | } else |
---|
595 | #endif |
---|
596 | { |
---|
597 | if (s->finished) { |
---|
598 | *read = 0; |
---|
599 | } |
---|
600 | else if (s->source_blocksize == s->blocksize && !s->perfectloop) { |
---|
601 | aubio_sampler_reading_from_source_naive(s, output, read); |
---|
602 | } else { |
---|
603 | aubio_sampler_reading_from_source_ring(s, output, read); |
---|
604 | } |
---|
605 | #if 1 |
---|
606 | if (s->loop && s->perfectloop && *read != s->blocksize) { // && s->started && !s->finished) { |
---|
607 | AUBIO_ERR("sampler: perfectloop but read only %d\n", *read); |
---|
608 | } |
---|
609 | #endif |
---|
610 | } |
---|
611 | } |
---|
612 | |
---|
613 | void |
---|
614 | aubio_sampler_read_from_table(aubio_sampler_t *s, fvec_t *output, uint_t *read) { |
---|
615 | *read = 0; |
---|
616 | if (s->table == NULL) { |
---|
617 | AUBIO_WRN("sampler: _pull_from_table but table not set %d, %d\n", |
---|
618 | output->length, *read); |
---|
619 | } else if (s->playing) { |
---|
620 | #if 0 |
---|
621 | uint_t available = s->table->length - s->table_index; |
---|
622 | fvec_t tmp; |
---|
623 | tmp.data = s->table->data + s->table_index; |
---|
624 | if (available < s->blocksize) { |
---|
625 | //AUBIO_WRN("sampler: _pull_from_table: table length %d, index: %d, read %d\n", |
---|
626 | // s->table->length, s->table_index, *read); |
---|
627 | tmp.length = available; |
---|
628 | fvec_t tmpout; tmpout.data = output->data; tmpout.length = available; |
---|
629 | fvec_copy(&tmp, &tmpout); |
---|
630 | if (s->loop && s->perfectloop) { |
---|
631 | uint_t remaining = s->blocksize - available; |
---|
632 | tmpout.data = output->data + available; tmpout.length = remaining; |
---|
633 | tmp.data = s->table->data; tmp.length = remaining; |
---|
634 | fvec_copy(&tmp, &tmpout); |
---|
635 | s->table_index = remaining; |
---|
636 | *read = s->blocksize; |
---|
637 | } else { |
---|
638 | s->table_index = 0; |
---|
639 | *read = available; |
---|
640 | } |
---|
641 | aubio_sampler_do_eof(s); |
---|
642 | } else { |
---|
643 | tmp.length = s->blocksize; |
---|
644 | fvec_copy(&tmp, output); |
---|
645 | s->table_index += output->length; |
---|
646 | *read = s->blocksize; |
---|
647 | } |
---|
648 | #else |
---|
649 | fvec_t tmp, tmpout; |
---|
650 | uint_t source_read = 0; |
---|
651 | while (aubio_timestretch_get_available(s->ts) < (sint_t)s->blocksize |
---|
652 | && s->eof_remaining == 0) { |
---|
653 | uint_t available = s->table->length - s->table_index; |
---|
654 | if (available < s->source_blocksize) { |
---|
655 | source_read = available; |
---|
656 | } else { |
---|
657 | source_read = s->source_blocksize; |
---|
658 | } |
---|
659 | tmp.length = source_read; tmp.data = s->table->data + s->table_index; |
---|
660 | tmpout.data = s->source_output->data; tmpout.length = source_read; |
---|
661 | fvec_copy(&tmp, &tmpout); |
---|
662 | aubio_timestretch_push(s->ts, &tmpout, source_read); |
---|
663 | if (source_read < s->source_blocksize) { |
---|
664 | s->eof_remaining = source_read; |
---|
665 | s->table_index = s->source_blocksize - *read; |
---|
666 | } else { |
---|
667 | s->table_index += source_read; |
---|
668 | } |
---|
669 | if (s->table_index == s->table->length) s->table_index = 0; |
---|
670 | //AUBIO_WRN("sampler: pushed %d, now %d available, table_index %d, eof %d\n", |
---|
671 | // source_read, aubio_timestretch_get_available(s->ts), |
---|
672 | // s->table_index, s->eof_remaining); |
---|
673 | } |
---|
674 | aubio_timestretch_do(s->ts, output, read); |
---|
675 | if (*read == 0) { |
---|
676 | //AUBIO_WRN("sampler: pushed %d, now %d available, table_index %d\n", |
---|
677 | // *read, aubio_timestretch_get_available(s->ts), s->table_index); |
---|
678 | } |
---|
679 | if (s->eof_remaining > s->blocksize) { |
---|
680 | s->eof_remaining -= s->blocksize; |
---|
681 | } |
---|
682 | if (*read < output->length) { |
---|
683 | s->eof_remaining = 0; |
---|
684 | aubio_sampler_do_eof(s); |
---|
685 | } |
---|
686 | #if 0 |
---|
687 | if (*read < output->length) { |
---|
688 | //uint_t available = aubio_timestretch_get_available(s->ts); |
---|
689 | s->eof_remaining = 0; |
---|
690 | aubio_timestretch_reset(s->ts); |
---|
691 | aubio_sampler_do_eof(s); |
---|
692 | } |
---|
693 | #endif |
---|
694 | #if 0 |
---|
695 | if (*read < output->length) { |
---|
696 | //uint_t available = aubio_timestretch_get_available(s->ts); |
---|
697 | s->eof_remaining = 0; |
---|
698 | aubio_timestretch_reset(s->ts); |
---|
699 | aubio_sampler_do_eof(s); |
---|
700 | if (s->loop && s->perfectloop) { |
---|
701 | tmpout.data = output->data + *read; |
---|
702 | tmpout.length = output->length - *read; |
---|
703 | while (aubio_timestretch_get_available(s->ts) < (sint_t)tmpout.length |
---|
704 | && s->eof_remaining == 0) { |
---|
705 | uint_t available = s->table->length - s->table_index; |
---|
706 | if (available < s->source_blocksize) { |
---|
707 | source_read = available; |
---|
708 | } else { |
---|
709 | source_read = s->source_blocksize; |
---|
710 | } |
---|
711 | //AUBIO_WRN("sampler: short read %d, remaining %d\n", *read, remaining); |
---|
712 | tmp.length = source_read; tmp.data = s->table->data + s->table_index; |
---|
713 | fvec_t tmpout2; tmpout2.data = s->source_output->data; tmpout2.length = source_read; |
---|
714 | fvec_copy(&tmp, &tmpout2); |
---|
715 | aubio_timestretch_push(s->ts, &tmpout2, source_read); |
---|
716 | if (source_read < s->source_blocksize) { |
---|
717 | s->eof_remaining = source_read; |
---|
718 | s->table_index = 0; |
---|
719 | } else { |
---|
720 | s->table_index += source_read; |
---|
721 | } |
---|
722 | if (s->table_index == s->table->length) s->table_index = 0; |
---|
723 | //AUBIO_WRN("sampler: second push, pushed %d, now %d available\n", |
---|
724 | // source_read, aubio_timestretch_get_available(s->ts)); |
---|
725 | } |
---|
726 | uint_t partialread; |
---|
727 | aubio_timestretch_do(s->ts, &tmpout, &partialread); |
---|
728 | AUBIO_WRN("sampler: partial read %d + %d\n", *read, partialread); |
---|
729 | *read += partialread; |
---|
730 | //s->eof = 1; |
---|
731 | } |
---|
732 | } |
---|
733 | #endif |
---|
734 | |
---|
735 | #endif |
---|
736 | } |
---|
737 | } |
---|
738 | |
---|
739 | uint_t |
---|
740 | aubio_sampler_set_table(aubio_sampler_t *s, fvec_t *samples) { |
---|
741 | if (!samples || !s) return AUBIO_FAIL; |
---|
742 | if (s->reading_from == aubio_sampler_reading_from_source) { |
---|
743 | //aubio_sampler_close_reading_thread(s); |
---|
744 | } |
---|
745 | s->table = samples; |
---|
746 | //AUBIO_INF("sampler: setting table (%d long)\n", s->table->length); |
---|
747 | s->table_index = 0; |
---|
748 | s->reading_from = aubio_sampler_reading_from_table; |
---|
749 | //s->threaded_read = 0; |
---|
750 | s->opened = 1; |
---|
751 | s->finished = 1; |
---|
752 | return AUBIO_OK; |
---|
753 | } |
---|
754 | |
---|
755 | sint_t |
---|
756 | aubio_sampler_pull_from_source(aubio_sampler_t *s) |
---|
757 | { |
---|
758 | // pull source_blocksize samples from source, return available frames |
---|
759 | uint_t source_read = s->source_blocksize; |
---|
760 | if (s->source == NULL) { |
---|
761 | AUBIO_ERR("sampler: trying to fetch on NULL source\n"); |
---|
762 | return -1; |
---|
763 | } |
---|
764 | #if 1 |
---|
765 | aubio_source_do(s->source, s->source_output, &source_read); |
---|
766 | return source_read; |
---|
767 | #else |
---|
768 | uint_t source_read_tmp; |
---|
769 | while (aubio_timestretch_get_available(s->ts) < (sint_t)s->blocksize |
---|
770 | && s->last_read == 0) { |
---|
771 | aubio_source_do(s->source, s->source_output_tmp, &source_read_tmp); |
---|
772 | aubio_timestretch_push(s->ts, s->source_output_tmp, source_read_tmp); |
---|
773 | if (source_read_tmp < s->source_output_tmp->length) s->last_read = source_read; |
---|
774 | } |
---|
775 | aubio_timestretch_do(s->ts, s->source_output, &source_read); |
---|
776 | if (s->last_read > s->blocksize) { |
---|
777 | s->last_read -= s->blocksize; |
---|
778 | } |
---|
779 | if (source_read < s->source_blocksize) { |
---|
780 | s->last_read = 0; |
---|
781 | //AUBIO_ERR("sampler: calling timestretch reset %d %d\n", source_read, s->source_blocksize); |
---|
782 | aubio_timestretch_reset(s->ts); |
---|
783 | } |
---|
784 | return source_read; |
---|
785 | #endif |
---|
786 | } |
---|
787 | |
---|
788 | |
---|
789 | uint_t |
---|
790 | aubio_sampler_get_samplerate (aubio_sampler_t *o) |
---|
791 | { |
---|
792 | return o->samplerate; |
---|
793 | } |
---|
794 | |
---|
795 | uint_t |
---|
796 | aubio_sampler_get_opened (aubio_sampler_t *o) |
---|
797 | { |
---|
798 | return o->opened; //== 1 ? AUBIO_OK : AUBIO_FAIL; |
---|
799 | } |
---|
800 | |
---|
801 | uint_t |
---|
802 | aubio_sampler_get_finished(aubio_sampler_t *o) |
---|
803 | { |
---|
804 | return o->finished; |
---|
805 | } |
---|
806 | |
---|
807 | uint_t |
---|
808 | aubio_sampler_get_eof (aubio_sampler_t *o) |
---|
809 | { |
---|
810 | return o->eof; |
---|
811 | } |
---|
812 | |
---|
813 | uint_t |
---|
814 | aubio_sampler_get_waited_opening (aubio_sampler_t *o, uint_t waited) { |
---|
815 | #ifdef HAVE_THREADS |
---|
816 | if (o->playing) { |
---|
817 | if (!o->opened) { |
---|
818 | o->waited += waited; |
---|
819 | } else if (o->waited) { |
---|
820 | //AUBIO_WRN("sampler: waited %d frames (%.2fms) while opening %s\n", |
---|
821 | // o->waited, 1000.*o->waited/(smpl_t)o->samplerate, o->uri); |
---|
822 | uint_t waited = o->waited; |
---|
823 | o->waited = 0; |
---|
824 | return waited; |
---|
825 | } |
---|
826 | } |
---|
827 | #endif |
---|
828 | return 0; |
---|
829 | } |
---|
830 | |
---|
831 | uint_t |
---|
832 | aubio_sampler_seek(aubio_sampler_t * o, uint_t pos) |
---|
833 | { |
---|
834 | //AUBIO_WRN("sampler: seeking to 0\n"); |
---|
835 | uint_t ret = AUBIO_FAIL; |
---|
836 | o->finished = 0; |
---|
837 | if (!o->opened) return AUBIO_OK; |
---|
838 | if (o->source) { |
---|
839 | ret = aubio_source_seek(o->source, pos); |
---|
840 | } else if (o->table && (sint_t)pos >= 0 && pos < o->table->length) { |
---|
841 | o->table_index = pos < o->table->length ? pos : o->table->length - 1; |
---|
842 | ret = AUBIO_OK; |
---|
843 | } |
---|
844 | o->last_read = 0; |
---|
845 | return ret; |
---|
846 | } |
---|
847 | |
---|
848 | void |
---|
849 | aubio_sampler_do_eof (aubio_sampler_t * o) |
---|
850 | { |
---|
851 | //AUBIO_MSG("sampler: calling _do_eof()\n"); |
---|
852 | o->finished = 1; |
---|
853 | o->eof = 1; |
---|
854 | if (!o->loop) { |
---|
855 | o->playing = 0; |
---|
856 | } else { |
---|
857 | if (o->reading_from == aubio_sampler_reading_from_source) |
---|
858 | aubio_sampler_seek(o, 0); |
---|
859 | //o->finished = 0; |
---|
860 | } |
---|
861 | } |
---|
862 | |
---|
863 | void aubio_sampler_do ( aubio_sampler_t * o, fvec_t * output, uint_t *read) |
---|
864 | { |
---|
865 | o->eof = 0; |
---|
866 | if (o->opened == 1 && o->playing) { |
---|
867 | aubio_sampler_read(o, output, read); |
---|
868 | } else { |
---|
869 | fvec_zeros(output); |
---|
870 | *read = 0; |
---|
871 | } |
---|
872 | } |
---|
873 | |
---|
874 | void aubio_sampler_do_multi ( aubio_sampler_t * o, fmat_t * output, uint_t *read) |
---|
875 | { |
---|
876 | o->eof = 0; |
---|
877 | if (o->opened == 1 && o->playing) { |
---|
878 | //aubio_sampler_read_multi(o, output, read); |
---|
879 | } else { |
---|
880 | fmat_zeros(output); |
---|
881 | *read = 0; |
---|
882 | } |
---|
883 | } |
---|
884 | |
---|
885 | uint_t aubio_sampler_get_playing ( const aubio_sampler_t * o ) |
---|
886 | { |
---|
887 | return o->playing; |
---|
888 | } |
---|
889 | |
---|
890 | uint_t aubio_sampler_set_playing ( aubio_sampler_t * o, uint_t playing ) |
---|
891 | { |
---|
892 | o->playing = (playing == 1) ? 1 : 0; |
---|
893 | return 0; |
---|
894 | } |
---|
895 | |
---|
896 | uint_t aubio_sampler_get_loop ( aubio_sampler_t * o ) |
---|
897 | { |
---|
898 | return o->loop; |
---|
899 | } |
---|
900 | |
---|
901 | uint_t aubio_sampler_set_loop ( aubio_sampler_t * o, uint_t loop ) |
---|
902 | { |
---|
903 | o->loop = (loop == 1) ? 1 : 0; |
---|
904 | return 0; |
---|
905 | } |
---|
906 | |
---|
907 | uint_t aubio_sampler_play ( aubio_sampler_t * o ) |
---|
908 | { |
---|
909 | return aubio_sampler_set_playing (o, 1); |
---|
910 | } |
---|
911 | |
---|
912 | uint_t aubio_sampler_stop ( aubio_sampler_t * o ) |
---|
913 | { |
---|
914 | return aubio_sampler_set_playing (o, 0); |
---|
915 | } |
---|
916 | |
---|
917 | uint_t aubio_sampler_loop ( aubio_sampler_t * o ) |
---|
918 | { |
---|
919 | aubio_sampler_set_loop(o, 1); |
---|
920 | aubio_sampler_seek(o, 0); |
---|
921 | return aubio_sampler_set_playing (o, 1); |
---|
922 | } |
---|
923 | |
---|
924 | uint_t aubio_sampler_trigger ( aubio_sampler_t * o ) |
---|
925 | { |
---|
926 | if (o->ring) aubio_ringbuffer_reset(o->ring); |
---|
927 | aubio_sampler_set_loop(o, 0); |
---|
928 | aubio_sampler_seek(o, 0); |
---|
929 | return aubio_sampler_set_playing (o, 1); |
---|
930 | } |
---|
931 | |
---|
932 | uint_t aubio_sampler_set_perfectloop (aubio_sampler_t *s, uint_t perfectloop) { |
---|
933 | if (!s) return AUBIO_FAIL; |
---|
934 | s->perfectloop = perfectloop; |
---|
935 | return AUBIO_OK; |
---|
936 | } |
---|
937 | |
---|
938 | uint_t aubio_sampler_get_perfectloop (aubio_sampler_t *s) { |
---|
939 | if (!s) return AUBIO_FAIL; |
---|
940 | return s->perfectloop; |
---|
941 | } |
---|
942 | |
---|
943 | |
---|
944 | uint_t aubio_sampler_set_stretch(aubio_sampler_t *s, smpl_t stretch) |
---|
945 | { |
---|
946 | if (!s->ts) return AUBIO_FAIL; |
---|
947 | return aubio_timestretch_set_stretch(s->ts, stretch); |
---|
948 | } |
---|
949 | |
---|
950 | smpl_t aubio_sampler_get_stretch(aubio_sampler_t *s) |
---|
951 | { |
---|
952 | if (!s->ts) return 1.; |
---|
953 | return aubio_timestretch_get_stretch(s->ts); |
---|
954 | } |
---|
955 | |
---|
956 | uint_t aubio_sampler_set_transpose(aubio_sampler_t *s, smpl_t transpose) |
---|
957 | { |
---|
958 | if (!s->ts) return AUBIO_FAIL; |
---|
959 | return aubio_timestretch_set_transpose(s->ts, transpose); |
---|
960 | } |
---|
961 | |
---|
962 | smpl_t aubio_sampler_get_transpose(aubio_sampler_t *s) |
---|
963 | { |
---|
964 | if (!s->ts) return 0.; |
---|
965 | return aubio_timestretch_get_transpose(s->ts); |
---|
966 | } |
---|
967 | |
---|
968 | |
---|
969 | void del_aubio_sampler( aubio_sampler_t * o ) |
---|
970 | { |
---|
971 | #ifdef HAVE_THREADS |
---|
972 | // close opening thread |
---|
973 | aubio_sampler_close_opening_thread(o); |
---|
974 | // close reading thread |
---|
975 | aubio_sampler_close_reading_thread(o); |
---|
976 | #endif |
---|
977 | //if (o->source_output) { |
---|
978 | if (o->source_output && (o->threaded_read || o->perfectloop)) { |
---|
979 | del_fvec(o->source_output); |
---|
980 | } |
---|
981 | if (o->source_moutput) { |
---|
982 | del_fmat(o->source_moutput); |
---|
983 | } |
---|
984 | if (o->ring) { |
---|
985 | del_aubio_ringbuffer(o->ring); |
---|
986 | } |
---|
987 | if (o->ts) { |
---|
988 | del_aubio_timestretch(o->ts); |
---|
989 | } |
---|
990 | if (o->source) { |
---|
991 | del_aubio_source(o->source); |
---|
992 | } |
---|
993 | AUBIO_FREE(o); |
---|
994 | } |
---|