?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
alsa-mixer: Use pa_xfree() instead of pa_xstrdup() for freeing a string.
[pulseaudio-raopUDP/pulseaudio-raop-alac.git] / src / modules / alsa / alsa-mixer.c
blob3ccd88711c8646bce951e1edc66b978d5d6fbb60
1 /***
2 This file is part of PulseAudio.
3
4 Copyright 2004-2009 Lennart Poettering
5 Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
6
7 PulseAudio is free software; you can redistribute it and/or modify
8 it under the terms of the GNU Lesser General Public License as published
9 by the Free Software Foundation; either version 2.1 of the License,
10 or (at your option) any later version.
11
12 PulseAudio is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 General Public License for more details.
16
17 You should have received a copy of the GNU Lesser General Public License
18 along with PulseAudio; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
20 USA.
21 ***/
22
23 #ifdef HAVE_CONFIG_H
24 #include <config.h>
25 #endif
26
27 #include <sys/types.h>
28 #include <limits.h>
29 #include <asoundlib.h>
30
31 #ifdef HAVE_VALGRIND_MEMCHECK_H
32 #include <valgrind/memcheck.h>
33 #endif
34
35 #include <pulse/sample.h>
36 #include <pulse/xmalloc.h>
37 #include <pulse/timeval.h>
38 #include <pulse/util.h>
39 #include <pulse/i18n.h>
40 #include <pulse/utf8.h>
41
42 #include <pulsecore/log.h>
43 #include <pulsecore/macro.h>
44 #include <pulsecore/core-util.h>
45 #include <pulsecore/atomic.h>
46 #include <pulsecore/core-error.h>
47 #include <pulsecore/once.h>
48 #include <pulsecore/thread.h>
49 #include <pulsecore/conf-parser.h>
50 #include <pulsecore/strbuf.h>
51
52 #include "alsa-mixer.h"
53 #include "alsa-util.h"
54
55 struct description_map {
56 const char *name;
57 const char *description;
58 };
59
60 static const char *lookup_description(const char *name, const struct description_map dm[], unsigned n) {
61 unsigned i;
62
63 for (i = 0; i < n; i++)
64 if (pa_streq(dm[i].name, name))
65 return dm[i].description;
66
67 return NULL;
68 }
69
70 struct pa_alsa_fdlist {
71 unsigned num_fds;
72 struct pollfd *fds;
73 /* This is a temporary buffer used to avoid lots of mallocs */
74 struct pollfd *work_fds;
75
76 snd_mixer_t *mixer;
77
78 pa_mainloop_api *m;
79 pa_defer_event *defer;
80 pa_io_event **ios;
81
82 pa_bool_t polled;
83
84 void (*cb)(void *userdata);
85 void *userdata;
86 };
87
88 static void io_cb(pa_mainloop_api*a, pa_io_event* e, int fd, pa_io_event_flags_t events, void *userdata) {
89
90 struct pa_alsa_fdlist *fdl = userdata;
91 int err;
92 unsigned i;
93 unsigned short revents;
94
95 pa_assert(a);
96 pa_assert(fdl);
97 pa_assert(fdl->mixer);
98 pa_assert(fdl->fds);
99 pa_assert(fdl->work_fds);
100
101 if (fdl->polled)
102 return;
103
104 fdl->polled = TRUE;
105
106 memcpy(fdl->work_fds, fdl->fds, sizeof(struct pollfd) * fdl->num_fds);
107
108 for (i = 0; i < fdl->num_fds; i++) {
109 if (e == fdl->ios[i]) {
110 if (events & PA_IO_EVENT_INPUT)
111 fdl->work_fds[i].revents |= POLLIN;
112 if (events & PA_IO_EVENT_OUTPUT)
113 fdl->work_fds[i].revents |= POLLOUT;
114 if (events & PA_IO_EVENT_ERROR)
115 fdl->work_fds[i].revents |= POLLERR;
116 if (events & PA_IO_EVENT_HANGUP)
117 fdl->work_fds[i].revents |= POLLHUP;
118 break;
119 }
120 }
121
122 pa_assert(i != fdl->num_fds);
123
124 if ((err = snd_mixer_poll_descriptors_revents(fdl->mixer, fdl->work_fds, fdl->num_fds, &revents)) < 0) {
125 pa_log_error("Unable to get poll revent: %s", pa_alsa_strerror(err));
126 return;
127 }
128
129 a->defer_enable(fdl->defer, 1);
130
131 if (revents)
132 snd_mixer_handle_events(fdl->mixer);
133 }
134
135 static void defer_cb(pa_mainloop_api*a, pa_defer_event* e, void *userdata) {
136 struct pa_alsa_fdlist *fdl = userdata;
137 unsigned num_fds, i;
138 int err, n;
139 struct pollfd *temp;
140
141 pa_assert(a);
142 pa_assert(fdl);
143 pa_assert(fdl->mixer);
144
145 a->defer_enable(fdl->defer, 0);
146
147 if ((n = snd_mixer_poll_descriptors_count(fdl->mixer)) < 0) {
148 pa_log("snd_mixer_poll_descriptors_count() failed: %s", pa_alsa_strerror(n));
149 return;
150 }
151 num_fds = (unsigned) n;
152
153 if (num_fds != fdl->num_fds) {
154 if (fdl->fds)
155 pa_xfree(fdl->fds);
156 if (fdl->work_fds)
157 pa_xfree(fdl->work_fds);
158 fdl->fds = pa_xnew0(struct pollfd, num_fds);
159 fdl->work_fds = pa_xnew(struct pollfd, num_fds);
160 }
161
162 memset(fdl->work_fds, 0, sizeof(struct pollfd) * num_fds);
163
164 if ((err = snd_mixer_poll_descriptors(fdl->mixer, fdl->work_fds, num_fds)) < 0) {
165 pa_log_error("Unable to get poll descriptors: %s", pa_alsa_strerror(err));
166 return;
167 }
168
169 fdl->polled = FALSE;
170
171 if (memcmp(fdl->fds, fdl->work_fds, sizeof(struct pollfd) * num_fds) == 0)
172 return;
173
174 if (fdl->ios) {
175 for (i = 0; i < fdl->num_fds; i++)
176 a->io_free(fdl->ios[i]);
177
178 if (num_fds != fdl->num_fds) {
179 pa_xfree(fdl->ios);
180 fdl->ios = NULL;
181 }
182 }
183
184 if (!fdl->ios)
185 fdl->ios = pa_xnew(pa_io_event*, num_fds);
186
187 /* Swap pointers */
188 temp = fdl->work_fds;
189 fdl->work_fds = fdl->fds;
190 fdl->fds = temp;
191
192 fdl->num_fds = num_fds;
193
194 for (i = 0;i < num_fds;i++)
195 fdl->ios[i] = a->io_new(a, fdl->fds[i].fd,
196 ((fdl->fds[i].events & POLLIN) ? PA_IO_EVENT_INPUT : 0) |
197 ((fdl->fds[i].events & POLLOUT) ? PA_IO_EVENT_OUTPUT : 0),
198 io_cb, fdl);
199 }
200
201 struct pa_alsa_fdlist *pa_alsa_fdlist_new(void) {
202 struct pa_alsa_fdlist *fdl;
203
204 fdl = pa_xnew0(struct pa_alsa_fdlist, 1);
205
206 return fdl;
207 }
208
209 void pa_alsa_fdlist_free(struct pa_alsa_fdlist *fdl) {
210 pa_assert(fdl);
211
212 if (fdl->defer) {
213 pa_assert(fdl->m);
214 fdl->m->defer_free(fdl->defer);
215 }
216
217 if (fdl->ios) {
218 unsigned i;
219 pa_assert(fdl->m);
220 for (i = 0; i < fdl->num_fds; i++)
221 fdl->m->io_free(fdl->ios[i]);
222 pa_xfree(fdl->ios);
223 }
224
225 if (fdl->fds)
226 pa_xfree(fdl->fds);
227 if (fdl->work_fds)
228 pa_xfree(fdl->work_fds);
229
230 pa_xfree(fdl);
231 }
232
233 int pa_alsa_fdlist_set_mixer(struct pa_alsa_fdlist *fdl, snd_mixer_t *mixer_handle, pa_mainloop_api* m) {
234 pa_assert(fdl);
235 pa_assert(mixer_handle);
236 pa_assert(m);
237 pa_assert(!fdl->m);
238
239 fdl->mixer = mixer_handle;
240 fdl->m = m;
241 fdl->defer = m->defer_new(m, defer_cb, fdl);
242
243 return 0;
244 }
245
246 static int prepare_mixer(snd_mixer_t *mixer, const char *dev) {
247 int err;
248
249 pa_assert(mixer);
250 pa_assert(dev);
251
252 if ((err = snd_mixer_attach(mixer, dev)) < 0) {
253 pa_log_info("Unable to attach to mixer %s: %s", dev, pa_alsa_strerror(err));
254 return -1;
255 }
256
257 if ((err = snd_mixer_selem_register(mixer, NULL, NULL)) < 0) {
258 pa_log_warn("Unable to register mixer: %s", pa_alsa_strerror(err));
259 return -1;
260 }
261
262 if ((err = snd_mixer_load(mixer)) < 0) {
263 pa_log_warn("Unable to load mixer: %s", pa_alsa_strerror(err));
264 return -1;
265 }
266
267 pa_log_info("Successfully attached to mixer '%s'", dev);
268 return 0;
269 }
270
271 snd_mixer_t *pa_alsa_open_mixer_for_pcm(snd_pcm_t *pcm, char **ctl_device) {
272 int err;
273 snd_mixer_t *m;
274 const char *dev;
275 snd_pcm_info_t* info;
276 snd_pcm_info_alloca(&info);
277
278 pa_assert(pcm);
279
280 if ((err = snd_mixer_open(&m, 0)) < 0) {
281 pa_log("Error opening mixer: %s", pa_alsa_strerror(err));
282 return NULL;
283 }
284
285 /* First, try by name */
286 if ((dev = snd_pcm_name(pcm)))
287 if (prepare_mixer(m, dev) >= 0) {
288 if (ctl_device)
289 *ctl_device = pa_xstrdup(dev);
290
291 return m;
292 }
293
294 /* Then, try by card index */
295 if (snd_pcm_info(pcm, info) >= 0) {
296 char *md;
297 int card_idx;
298
299 if ((card_idx = snd_pcm_info_get_card(info)) >= 0) {
300
301 md = pa_sprintf_malloc("hw:%i", card_idx);
302
303 if (!dev || !pa_streq(dev, md))
304 if (prepare_mixer(m, md) >= 0) {
305
306 if (ctl_device)
307 *ctl_device = md;
308 else
309 pa_xfree(md);
310
311 return m;
312 }
313
314 pa_xfree(md);
315 }
316 }
317
318 snd_mixer_close(m);
319 return NULL;
320 }
321
322 static const snd_mixer_selem_channel_id_t alsa_channel_ids[PA_CHANNEL_POSITION_MAX] = {
323 [PA_CHANNEL_POSITION_MONO] = SND_MIXER_SCHN_MONO, /* The ALSA name is just an alias! */
324
325 [PA_CHANNEL_POSITION_FRONT_CENTER] = SND_MIXER_SCHN_FRONT_CENTER,
326 [PA_CHANNEL_POSITION_FRONT_LEFT] = SND_MIXER_SCHN_FRONT_LEFT,
327 [PA_CHANNEL_POSITION_FRONT_RIGHT] = SND_MIXER_SCHN_FRONT_RIGHT,
328
329 [PA_CHANNEL_POSITION_REAR_CENTER] = SND_MIXER_SCHN_REAR_CENTER,
330 [PA_CHANNEL_POSITION_REAR_LEFT] = SND_MIXER_SCHN_REAR_LEFT,
331 [PA_CHANNEL_POSITION_REAR_RIGHT] = SND_MIXER_SCHN_REAR_RIGHT,
332
333 [PA_CHANNEL_POSITION_LFE] = SND_MIXER_SCHN_WOOFER,
334
335 [PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER] = SND_MIXER_SCHN_UNKNOWN,
336 [PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER] = SND_MIXER_SCHN_UNKNOWN,
337
338 [PA_CHANNEL_POSITION_SIDE_LEFT] = SND_MIXER_SCHN_SIDE_LEFT,
339 [PA_CHANNEL_POSITION_SIDE_RIGHT] = SND_MIXER_SCHN_SIDE_RIGHT,
340
341 [PA_CHANNEL_POSITION_AUX0] = SND_MIXER_SCHN_UNKNOWN,
342 [PA_CHANNEL_POSITION_AUX1] = SND_MIXER_SCHN_UNKNOWN,
343 [PA_CHANNEL_POSITION_AUX2] = SND_MIXER_SCHN_UNKNOWN,
344 [PA_CHANNEL_POSITION_AUX3] = SND_MIXER_SCHN_UNKNOWN,
345 [PA_CHANNEL_POSITION_AUX4] = SND_MIXER_SCHN_UNKNOWN,
346 [PA_CHANNEL_POSITION_AUX5] = SND_MIXER_SCHN_UNKNOWN,
347 [PA_CHANNEL_POSITION_AUX6] = SND_MIXER_SCHN_UNKNOWN,
348 [PA_CHANNEL_POSITION_AUX7] = SND_MIXER_SCHN_UNKNOWN,
349 [PA_CHANNEL_POSITION_AUX8] = SND_MIXER_SCHN_UNKNOWN,
350 [PA_CHANNEL_POSITION_AUX9] = SND_MIXER_SCHN_UNKNOWN,
351 [PA_CHANNEL_POSITION_AUX10] = SND_MIXER_SCHN_UNKNOWN,
352 [PA_CHANNEL_POSITION_AUX11] = SND_MIXER_SCHN_UNKNOWN,
353 [PA_CHANNEL_POSITION_AUX12] = SND_MIXER_SCHN_UNKNOWN,
354 [PA_CHANNEL_POSITION_AUX13] = SND_MIXER_SCHN_UNKNOWN,
355 [PA_CHANNEL_POSITION_AUX14] = SND_MIXER_SCHN_UNKNOWN,
356 [PA_CHANNEL_POSITION_AUX15] = SND_MIXER_SCHN_UNKNOWN,
357 [PA_CHANNEL_POSITION_AUX16] = SND_MIXER_SCHN_UNKNOWN,
358 [PA_CHANNEL_POSITION_AUX17] = SND_MIXER_SCHN_UNKNOWN,
359 [PA_CHANNEL_POSITION_AUX18] = SND_MIXER_SCHN_UNKNOWN,
360 [PA_CHANNEL_POSITION_AUX19] = SND_MIXER_SCHN_UNKNOWN,
361 [PA_CHANNEL_POSITION_AUX20] = SND_MIXER_SCHN_UNKNOWN,
362 [PA_CHANNEL_POSITION_AUX21] = SND_MIXER_SCHN_UNKNOWN,
363 [PA_CHANNEL_POSITION_AUX22] = SND_MIXER_SCHN_UNKNOWN,
364 [PA_CHANNEL_POSITION_AUX23] = SND_MIXER_SCHN_UNKNOWN,
365 [PA_CHANNEL_POSITION_AUX24] = SND_MIXER_SCHN_UNKNOWN,
366 [PA_CHANNEL_POSITION_AUX25] = SND_MIXER_SCHN_UNKNOWN,
367 [PA_CHANNEL_POSITION_AUX26] = SND_MIXER_SCHN_UNKNOWN,
368 [PA_CHANNEL_POSITION_AUX27] = SND_MIXER_SCHN_UNKNOWN,
369 [PA_CHANNEL_POSITION_AUX28] = SND_MIXER_SCHN_UNKNOWN,
370 [PA_CHANNEL_POSITION_AUX29] = SND_MIXER_SCHN_UNKNOWN,
371 [PA_CHANNEL_POSITION_AUX30] = SND_MIXER_SCHN_UNKNOWN,
372 [PA_CHANNEL_POSITION_AUX31] = SND_MIXER_SCHN_UNKNOWN,
373
374 [PA_CHANNEL_POSITION_TOP_CENTER] = SND_MIXER_SCHN_UNKNOWN,
375
376 [PA_CHANNEL_POSITION_TOP_FRONT_CENTER] = SND_MIXER_SCHN_UNKNOWN,
377 [PA_CHANNEL_POSITION_TOP_FRONT_LEFT] = SND_MIXER_SCHN_UNKNOWN,
378 [PA_CHANNEL_POSITION_TOP_FRONT_RIGHT] = SND_MIXER_SCHN_UNKNOWN,
379
380 [PA_CHANNEL_POSITION_TOP_REAR_CENTER] = SND_MIXER_SCHN_UNKNOWN,
381 [PA_CHANNEL_POSITION_TOP_REAR_LEFT] = SND_MIXER_SCHN_UNKNOWN,
382 [PA_CHANNEL_POSITION_TOP_REAR_RIGHT] = SND_MIXER_SCHN_UNKNOWN
383 };
384
385 static void setting_free(pa_alsa_setting *s) {
386 pa_assert(s);
387
388 if (s->options)
389 pa_idxset_free(s->options, NULL, NULL);
390
391 pa_xfree(s->name);
392 pa_xfree(s->description);
393 pa_xfree(s);
394 }
395
396 static void option_free(pa_alsa_option *o) {
397 pa_assert(o);
398
399 pa_xfree(o->alsa_name);
400 pa_xfree(o->name);
401 pa_xfree(o->description);
402 pa_xfree(o);
403 }
404
405 static void element_free(pa_alsa_element *e) {
406 pa_alsa_option *o;
407 pa_assert(e);
408
409 while ((o = e->options)) {
410 PA_LLIST_REMOVE(pa_alsa_option, e->options, o);
411 option_free(o);
412 }
413
414 pa_xfree(e->alsa_name);
415 pa_xfree(e);
416 }
417
418 void pa_alsa_path_free(pa_alsa_path *p) {
419 pa_alsa_element *e;
420 pa_alsa_setting *s;
421
422 pa_assert(p);
423
424 while ((e = p->elements)) {
425 PA_LLIST_REMOVE(pa_alsa_element, p->elements, e);
426 element_free(e);
427 }
428
429 while ((s = p->settings)) {
430 PA_LLIST_REMOVE(pa_alsa_setting, p->settings, s);
431 setting_free(s);
432 }
433
434 pa_xfree(p->name);
435 pa_xfree(p->description);
436 pa_xfree(p);
437 }
438
439 void pa_alsa_path_set_free(pa_alsa_path_set *ps) {
440 pa_alsa_path *p;
441 pa_assert(ps);
442
443 while ((p = ps->paths)) {
444 PA_LLIST_REMOVE(pa_alsa_path, ps->paths, p);
445 pa_alsa_path_free(p);
446 }
447
448 pa_xfree(ps);
449 }
450
451 static long to_alsa_dB(pa_volume_t v) {
452 return (long) (pa_sw_volume_to_dB(v) * 100.0);
453 }
454
455 static pa_volume_t from_alsa_dB(long v) {
456 return pa_sw_volume_from_dB((double) v / 100.0);
457 }
458
459 static long to_alsa_volume(pa_volume_t v, long min, long max) {
460 long w;
461
462 w = (long) round(((double) v * (double) (max - min)) / PA_VOLUME_NORM) + min;
463 return PA_CLAMP_UNLIKELY(w, min, max);
464 }
465
466 static pa_volume_t from_alsa_volume(long v, long min, long max) {
467 return (pa_volume_t) round(((double) (v - min) * PA_VOLUME_NORM) / (double) (max - min));
468 }
469
470 #define SELEM_INIT(sid, name) \
471 do { \
472 snd_mixer_selem_id_alloca(&(sid)); \
473 snd_mixer_selem_id_set_name((sid), (name)); \
474 snd_mixer_selem_id_set_index((sid), 0); \
475 } while(FALSE)
476
477 static int element_get_volume(pa_alsa_element *e, snd_mixer_t *m, const pa_channel_map *cm, pa_cvolume *v) {
478 snd_mixer_selem_id_t *sid;
479 snd_mixer_elem_t *me;
480 snd_mixer_selem_channel_id_t c;
481 pa_channel_position_mask_t mask = 0;
482 unsigned k;
483
484 pa_assert(m);
485 pa_assert(e);
486 pa_assert(cm);
487 pa_assert(v);
488
489 SELEM_INIT(sid, e->alsa_name);
490 if (!(me = snd_mixer_find_selem(m, sid))) {
491 pa_log_warn("Element %s seems to have disappeared.", e->alsa_name);
492 return -1;
493 }
494
495 pa_cvolume_mute(v, cm->channels);
496
497 /* We take the highest volume of all channels that match */
498
499 for (c = 0; c <= SND_MIXER_SCHN_LAST; c++) {
500 int r;
501 pa_volume_t f;
502
503 if (e->has_dB) {
504 long value = 0;
505
506 if (e->direction == PA_ALSA_DIRECTION_OUTPUT) {
507 if (snd_mixer_selem_has_playback_channel(me, c))
508 r = snd_mixer_selem_get_playback_dB(me, c, &value);
509 else
510 r = -1;
511 } else {
512 if (snd_mixer_selem_has_capture_channel(me, c))
513 r = snd_mixer_selem_get_capture_dB(me, c, &value);
514 else
515 r = -1;
516 }
517
518 if (r < 0)
519 continue;
520
521 #ifdef HAVE_VALGRIND_MEMCHECK_H
522 VALGRIND_MAKE_MEM_DEFINED(&value, sizeof(value));
523 #endif
524
525 f = from_alsa_dB(value);
526
527 } else {
528 long value = 0;
529
530 if (e->direction == PA_ALSA_DIRECTION_OUTPUT) {
531 if (snd_mixer_selem_has_playback_channel(me, c))
532 r = snd_mixer_selem_get_playback_volume(me, c, &value);
533 else
534 r = -1;
535 } else {
536 if (snd_mixer_selem_has_capture_channel(me, c))
537 r = snd_mixer_selem_get_capture_volume(me, c, &value);
538 else
539 r = -1;
540 }
541
542 if (r < 0)
543 continue;
544
545 f = from_alsa_volume(value, e->min_volume, e->max_volume);
546 }
547
548 for (k = 0; k < cm->channels; k++)
549 if (e->masks[c][e->n_channels-1] & PA_CHANNEL_POSITION_MASK(cm->map[k]))
550 if (v->values[k] < f)
551 v->values[k] = f;
552
553 mask |= e->masks[c][e->n_channels-1];
554 }
555
556 for (k = 0; k < cm->channels; k++)
557 if (!(mask & PA_CHANNEL_POSITION_MASK(cm->map[k])))
558 v->values[k] = PA_VOLUME_NORM;
559
560 return 0;
561 }
562
563 int pa_alsa_path_get_volume(pa_alsa_path *p, snd_mixer_t *m, const pa_channel_map *cm, pa_cvolume *v) {
564 pa_alsa_element *e;
565
566 pa_assert(m);
567 pa_assert(p);
568 pa_assert(cm);
569 pa_assert(v);
570
571 if (!p->has_volume)
572 return -1;
573
574 pa_cvolume_reset(v, cm->channels);
575
576 PA_LLIST_FOREACH(e, p->elements) {
577 pa_cvolume ev;
578
579 if (e->volume_use != PA_ALSA_VOLUME_MERGE)
580 continue;
581
582 pa_assert(!p->has_dB || e->has_dB);
583
584 if (element_get_volume(e, m, cm, &ev) < 0)
585 return -1;
586
587 /* If we have no dB information all we can do is take the first element and leave */
588 if (!p->has_dB) {
589 *v = ev;
590 return 0;
591 }
592
593 pa_sw_cvolume_multiply(v, v, &ev);
594 }
595
596 return 0;
597 }
598
599 static int element_get_switch(pa_alsa_element *e, snd_mixer_t *m, pa_bool_t *b) {
600 snd_mixer_selem_id_t *sid;
601 snd_mixer_elem_t *me;
602 snd_mixer_selem_channel_id_t c;
603
604 pa_assert(m);
605 pa_assert(e);
606 pa_assert(b);
607
608 SELEM_INIT(sid, e->alsa_name);
609 if (!(me = snd_mixer_find_selem(m, sid))) {
610 pa_log_warn("Element %s seems to have disappeared.", e->alsa_name);
611 return -1;
612 }
613
614 /* We return muted if at least one channel is muted */
615
616 for (c = 0; c <= SND_MIXER_SCHN_LAST; c++) {
617 int r;
618 int value = 0;
619
620 if (e->direction == PA_ALSA_DIRECTION_OUTPUT) {
621 if (snd_mixer_selem_has_playback_channel(me, c))
622 r = snd_mixer_selem_get_playback_switch(me, c, &value);
623 else
624 r = -1;
625 } else {
626 if (snd_mixer_selem_has_capture_channel(me, c))
627 r = snd_mixer_selem_get_capture_switch(me, c, &value);
628 else
629 r = -1;
630 }
631
632 if (r < 0)
633 continue;
634
635 if (!value) {
636 *b = FALSE;
637 return 0;
638 }
639 }
640
641 *b = TRUE;
642 return 0;
643 }
644
645 int pa_alsa_path_get_mute(pa_alsa_path *p, snd_mixer_t *m, pa_bool_t *muted) {
646 pa_alsa_element *e;
647
648 pa_assert(m);
649 pa_assert(p);
650 pa_assert(muted);
651
652 if (!p->has_mute)
653 return -1;
654
655 PA_LLIST_FOREACH(e, p->elements) {
656 pa_bool_t b;
657
658 if (e->switch_use != PA_ALSA_SWITCH_MUTE)
659 continue;
660
661 if (element_get_switch(e, m, &b) < 0)
662 return -1;
663
664 if (!b) {
665 *muted = TRUE;
666 return 0;
667 }
668 }
669
670 *muted = FALSE;
671 return 0;
672 }
673
674 static int element_set_volume(pa_alsa_element *e, snd_mixer_t *m, const pa_channel_map *cm, pa_cvolume *v) {
675 snd_mixer_selem_id_t *sid;
676 pa_cvolume rv;
677 snd_mixer_elem_t *me;
678 snd_mixer_selem_channel_id_t c;
679 pa_channel_position_mask_t mask = 0;
680 unsigned k;
681
682 pa_assert(m);
683 pa_assert(e);
684 pa_assert(cm);
685 pa_assert(v);
686 pa_assert(pa_cvolume_compatible_with_channel_map(v, cm));
687
688 SELEM_INIT(sid, e->alsa_name);
689 if (!(me = snd_mixer_find_selem(m, sid))) {
690 pa_log_warn("Element %s seems to have disappeared.", e->alsa_name);
691 return -1;
692 }
693
694 pa_cvolume_mute(&rv, cm->channels);
695
696 for (c = 0; c <= SND_MIXER_SCHN_LAST; c++) {
697 int r;
698 pa_volume_t f = PA_VOLUME_MUTED;
699 pa_bool_t found = FALSE;
700
701 for (k = 0; k < cm->channels; k++)
702 if (e->masks[c][e->n_channels-1] & PA_CHANNEL_POSITION_MASK(cm->map[k])) {
703 found = TRUE;
704 if (v->values[k] > f)
705 f = v->values[k];
706 }
707
708 if (!found) {
709 /* Hmm, so this channel does not exist in the volume
710 * struct, so let's bind it to the overall max of the
711 * volume. */
712 f = pa_cvolume_max(v);
713 }
714
715 if (e->has_dB) {
716 long value = to_alsa_dB(f);
717
718 if (e->direction == PA_ALSA_DIRECTION_OUTPUT) {
719 /* If we call set_play_volume() without checking first
720 * if the channel is available, ALSA behaves ver
721 * strangely and doesn't fail the call */
722 if (snd_mixer_selem_has_playback_channel(me, c)) {
723 if ((r = snd_mixer_selem_set_playback_dB(me, c, value, +1)) >= 0)
724 r = snd_mixer_selem_get_playback_dB(me, c, &value);
725 } else
726 r = -1;
727 } else {
728 if (snd_mixer_selem_has_capture_channel(me, c)) {
729 if ((r = snd_mixer_selem_set_capture_dB(me, c, value, +1)) >= 0)
730 r = snd_mixer_selem_get_capture_dB(me, c, &value);
731 } else
732 r = -1;
733 }
734
735 if (r < 0)
736 continue;
737
738 #ifdef HAVE_VALGRIND_MEMCHECK_H
739 VALGRIND_MAKE_MEM_DEFINED(&value, sizeof(value));
740 #endif
741
742 f = from_alsa_dB(value);
743
744 } else {
745 long value;
746
747 value = to_alsa_volume(f, e->min_volume, e->max_volume);
748
749 if (e->direction == PA_ALSA_DIRECTION_OUTPUT) {
750 if (snd_mixer_selem_has_playback_channel(me, c)) {
751 if ((r = snd_mixer_selem_set_playback_volume(me, c, value)) >= 0)
752 r = snd_mixer_selem_get_playback_volume(me, c, &value);
753 } else
754 r = -1;
755 } else {
756 if (snd_mixer_selem_has_capture_channel(me, c)) {
757 if ((r = snd_mixer_selem_set_capture_volume(me, c, value)) >= 0)
758 r = snd_mixer_selem_get_capture_volume(me, c, &value);
759 } else
760 r = -1;
761 }
762
763 if (r < 0)
764 continue;
765
766 f = from_alsa_volume(value, e->min_volume, e->max_volume);
767 }
768
769 for (k = 0; k < cm->channels; k++)
770 if (e->masks[c][e->n_channels-1] & PA_CHANNEL_POSITION_MASK(cm->map[k]))
771 if (rv.values[k] < f)
772 rv.values[k] = f;
773
774 mask |= e->masks[c][e->n_channels-1];
775 }
776
777 for (k = 0; k < cm->channels; k++)
778 if (!(mask & PA_CHANNEL_POSITION_MASK(cm->map[k])))
779 rv.values[k] = PA_VOLUME_NORM;
780
781 *v = rv;
782 return 0;
783 }
784
785 int pa_alsa_path_set_volume(pa_alsa_path *p, snd_mixer_t *m, const pa_channel_map *cm, pa_cvolume *v) {
786 pa_alsa_element *e;
787 pa_cvolume rv;
788
789 pa_assert(m);
790 pa_assert(p);
791 pa_assert(cm);
792 pa_assert(v);
793 pa_assert(pa_cvolume_compatible_with_channel_map(v, cm));
794
795 if (!p->has_volume)
796 return -1;
797
798 rv = *v; /* Remaining adjustment */
799 pa_cvolume_reset(v, cm->channels); /* Adjustment done */
800
801 PA_LLIST_FOREACH(e, p->elements) {
802 pa_cvolume ev;
803
804 if (e->volume_use != PA_ALSA_VOLUME_MERGE)
805 continue;
806
807 pa_assert(!p->has_dB || e->has_dB);
808
809 ev = rv;
810 if (element_set_volume(e, m, cm, &ev) < 0)
811 return -1;
812
813 if (!p->has_dB) {
814 *v = ev;
815 return 0;
816 }
817
818 pa_sw_cvolume_multiply(v, v, &ev);
819 pa_sw_cvolume_divide(&rv, &rv, &ev);
820 }
821
822 return 0;
823 }
824
825 static int element_set_switch(pa_alsa_element *e, snd_mixer_t *m, pa_bool_t b) {
826 snd_mixer_elem_t *me;
827 snd_mixer_selem_id_t *sid;
828 int r;
829
830 pa_assert(m);
831 pa_assert(e);
832
833 SELEM_INIT(sid, e->alsa_name);
834 if (!(me = snd_mixer_find_selem(m, sid))) {
835 pa_log_warn("Element %s seems to have disappeared.", e->alsa_name);
836 return -1;
837 }
838
839 if (e->direction == PA_ALSA_DIRECTION_OUTPUT)
840 r = snd_mixer_selem_set_playback_switch_all(me, b);
841 else
842 r = snd_mixer_selem_set_capture_switch_all(me, b);
843
844 if (r < 0)
845 pa_log_warn("Failed to set switch of %s: %s", e->alsa_name, pa_alsa_strerror(errno));
846
847 return r;
848 }
849
850 int pa_alsa_path_set_mute(pa_alsa_path *p, snd_mixer_t *m, pa_bool_t muted) {
851 pa_alsa_element *e;
852
853 pa_assert(m);
854 pa_assert(p);
855
856 if (!p->has_mute)
857 return -1;
858
859 PA_LLIST_FOREACH(e, p->elements) {
860
861 if (e->switch_use != PA_ALSA_SWITCH_MUTE)
862 continue;
863
864 if (element_set_switch(e, m, !muted) < 0)
865 return -1;
866 }
867
868 return 0;
869 }
870
871 static int element_mute_volume(pa_alsa_element *e, snd_mixer_t *m) {
872 snd_mixer_elem_t *me;
873 snd_mixer_selem_id_t *sid;
874 int r;
875
876 pa_assert(m);
877 pa_assert(e);
878
879 SELEM_INIT(sid, e->alsa_name);
880 if (!(me = snd_mixer_find_selem(m, sid))) {
881 pa_log_warn("Element %s seems to have disappeared.", e->alsa_name);
882 return -1;
883 }
884
885 if (e->direction == PA_ALSA_DIRECTION_OUTPUT)
886 r = snd_mixer_selem_set_playback_volume_all(me, e->min_volume);
887 else
888 r = snd_mixer_selem_set_capture_volume_all(me, e->min_volume);
889
890 if (r < 0)
891 pa_log_warn("Faile to set volume to muted of %s: %s", e->alsa_name, pa_alsa_strerror(errno));
892
893 return r;
894 }
895
896 /* The volume to 0dB */
897 static int element_zero_volume(pa_alsa_element *e, snd_mixer_t *m) {
898 snd_mixer_elem_t *me;
899 snd_mixer_selem_id_t *sid;
900 int r;
901
902 pa_assert(m);
903 pa_assert(e);
904
905 SELEM_INIT(sid, e->alsa_name);
906 if (!(me = snd_mixer_find_selem(m, sid))) {
907 pa_log_warn("Element %s seems to have disappeared.", e->alsa_name);
908 return -1;
909 }
910
911 if (e->direction == PA_ALSA_DIRECTION_OUTPUT)
912 r = snd_mixer_selem_set_playback_dB_all(me, 0, +1);
913 else
914 r = snd_mixer_selem_set_capture_dB_all(me, 0, +1);
915
916 if (r < 0)
917 pa_log_warn("Faile to set volume to 0dB of %s: %s", e->alsa_name, pa_alsa_strerror(errno));
918
919 return r;
920 }
921
922 int pa_alsa_path_select(pa_alsa_path *p, snd_mixer_t *m) {
923 pa_alsa_element *e;
924 int r = 0;
925
926 pa_assert(m);
927 pa_assert(p);
928
929 pa_log_debug("Activating path %s", p->name);
930 pa_alsa_path_dump(p);
931
932 PA_LLIST_FOREACH(e, p->elements) {
933
934 switch (e->switch_use) {
935 case PA_ALSA_SWITCH_OFF:
936 r = element_set_switch(e, m, FALSE);
937 break;
938
939 case PA_ALSA_SWITCH_ON:
940 r = element_set_switch(e, m, TRUE);
941 break;
942
943 case PA_ALSA_SWITCH_MUTE:
944 case PA_ALSA_SWITCH_IGNORE:
945 case PA_ALSA_SWITCH_SELECT:
946 r = 0;
947 break;
948 }
949
950 if (r < 0)
951 return -1;
952
953 switch (e->volume_use) {
954 case PA_ALSA_VOLUME_OFF:
955 r = element_mute_volume(e, m);
956 break;
957
958 case PA_ALSA_VOLUME_ZERO:
959 r = element_zero_volume(e, m);
960 break;
961
962 case PA_ALSA_VOLUME_MERGE:
963 case PA_ALSA_VOLUME_IGNORE:
964 r = 0;
965 break;
966 }
967
968 if (r < 0)
969 return -1;
970 }
971
972 return 0;
973 }
974
975 static int check_required(pa_alsa_element *e, snd_mixer_elem_t *me) {
976 pa_bool_t has_switch;
977 pa_bool_t has_enumeration;
978 pa_bool_t has_volume;
979
980 pa_assert(e);
981 pa_assert(me);
982
983 if (e->direction == PA_ALSA_DIRECTION_OUTPUT) {
984 has_switch =
985 snd_mixer_selem_has_playback_switch(me) ||
986 (e->direction_try_other && snd_mixer_selem_has_capture_switch(me));
987 } else {
988 has_switch =
989 snd_mixer_selem_has_capture_switch(me) ||
990 (e->direction_try_other && snd_mixer_selem_has_playback_switch(me));
991 }
992
993 if (e->direction == PA_ALSA_DIRECTION_OUTPUT) {
994 has_volume =
995 snd_mixer_selem_has_playback_volume(me) ||
996 (e->direction_try_other && snd_mixer_selem_has_capture_volume(me));
997 } else {
998 has_volume =
999 snd_mixer_selem_has_capture_volume(me) ||
1000 (e->direction_try_other && snd_mixer_selem_has_playback_volume(me));
1001 }
1002
1003 has_enumeration = snd_mixer_selem_is_enumerated(me);
1004
1005 if ((e->required == PA_ALSA_REQUIRED_SWITCH && !has_switch) ||
1006 (e->required == PA_ALSA_REQUIRED_VOLUME && !has_volume) ||
1007 (e->required == PA_ALSA_REQUIRED_ENUMERATION && !has_enumeration))
1008 return -1;
1009
1010 if (e->required == PA_ALSA_REQUIRED_ANY && !(has_switch || has_volume || has_enumeration))
1011 return -1;
1012
1013 if ((e->required_absent == PA_ALSA_REQUIRED_SWITCH && has_switch) ||
1014 (e->required_absent == PA_ALSA_REQUIRED_VOLUME && has_volume) ||
1015 (e->required_absent == PA_ALSA_REQUIRED_ENUMERATION && has_enumeration))
1016 return -1;
1017
1018 if (e->required_absent == PA_ALSA_REQUIRED_ANY && (has_switch || has_volume || has_enumeration))
1019 return -1;
1020
1021 return 0;
1022 }
1023
1024 static int element_probe(pa_alsa_element *e, snd_mixer_t *m) {
1025 snd_mixer_selem_id_t *sid;
1026 snd_mixer_elem_t *me;
1027
1028 pa_assert(m);
1029 pa_assert(e);
1030
1031 SELEM_INIT(sid, e->alsa_name);
1032
1033 if (!(me = snd_mixer_find_selem(m, sid))) {
1034
1035 if (e->required != PA_ALSA_REQUIRED_IGNORE)
1036 return -1;
1037
1038 e->switch_use = PA_ALSA_SWITCH_IGNORE;
1039 e->volume_use = PA_ALSA_VOLUME_IGNORE;
1040 e->enumeration_use = PA_ALSA_VOLUME_IGNORE;
1041
1042 return 0;
1043 }
1044
1045 if (e->switch_use != PA_ALSA_SWITCH_IGNORE) {
1046 if (e->direction == PA_ALSA_DIRECTION_OUTPUT) {
1047
1048 if (!snd_mixer_selem_has_playback_switch(me)) {
1049 if (e->direction_try_other && snd_mixer_selem_has_capture_switch(me))
1050 e->direction = PA_ALSA_DIRECTION_INPUT;
1051 else
1052 e->switch_use = PA_ALSA_SWITCH_IGNORE;
1053 }
1054
1055 } else {
1056
1057 if (!snd_mixer_selem_has_capture_switch(me)) {
1058 if (e->direction_try_other && snd_mixer_selem_has_playback_switch(me))
1059 e->direction = PA_ALSA_DIRECTION_OUTPUT;
1060 else
1061 e->switch_use = PA_ALSA_SWITCH_IGNORE;
1062 }
1063 }
1064
1065 if (e->switch_use != PA_ALSA_SWITCH_IGNORE)
1066 e->direction_try_other = FALSE;
1067 }
1068
1069 if (e->volume_use != PA_ALSA_VOLUME_IGNORE) {
1070
1071 if (e->direction == PA_ALSA_DIRECTION_OUTPUT) {
1072
1073 if (!snd_mixer_selem_has_playback_volume(me)) {
1074 if (e->direction_try_other && snd_mixer_selem_has_capture_volume(me))
1075 e->direction = PA_ALSA_DIRECTION_INPUT;
1076 else
1077 e->volume_use = PA_ALSA_VOLUME_IGNORE;
1078 }
1079
1080 } else {
1081
1082 if (!snd_mixer_selem_has_capture_volume(me)) {
1083 if (e->direction_try_other && snd_mixer_selem_has_playback_volume(me))
1084 e->direction = PA_ALSA_DIRECTION_OUTPUT;
1085 else
1086 e->volume_use = PA_ALSA_VOLUME_IGNORE;
1087 }
1088 }
1089
1090 if (e->volume_use != PA_ALSA_VOLUME_IGNORE) {
1091 long min_dB = 0, max_dB = 0;
1092 int r;
1093
1094 e->direction_try_other = FALSE;
1095
1096 if (e->direction == PA_ALSA_DIRECTION_OUTPUT)
1097 e->has_dB = snd_mixer_selem_get_playback_dB_range(me, &min_dB, &max_dB) >= 0;
1098 else
1099 e->has_dB = snd_mixer_selem_get_capture_dB_range(me, &min_dB, &max_dB) >= 0;
1100
1101 if (e->has_dB) {
1102 #ifdef HAVE_VALGRIND_MEMCHECK_H
1103 VALGRIND_MAKE_MEM_DEFINED(&min_dB, sizeof(min_dB));
1104 VALGRIND_MAKE_MEM_DEFINED(&max_dB, sizeof(max_dB));
1105 #endif
1106
1107 e->min_dB = ((double) min_dB) / 100.0;
1108 e->max_dB = ((double) max_dB) / 100.0;
1109
1110 if (min_dB >= max_dB) {
1111 pa_log_warn("Your kernel driver is broken: it reports a volume range from %0.2f dB to %0.2f dB which makes no sense.", e->min_dB, e->max_dB);
1112 e->has_dB = FALSE;
1113 }
1114 }
1115
1116 if (e->direction == PA_ALSA_DIRECTION_OUTPUT)
1117 r = snd_mixer_selem_get_playback_volume_range(me, &e->min_volume, &e->max_volume);
1118 else
1119 r = snd_mixer_selem_get_capture_volume_range(me, &e->min_volume, &e->max_volume);
1120
1121 if (r < 0) {
1122 pa_log_warn("Failed to get volume range of %s: %s", e->alsa_name, pa_alsa_strerror(r));
1123 return -1;
1124 }
1125
1126
1127 if (e->min_volume >= e->max_volume) {
1128 pa_log_warn("Your kernel driver is broken: it reports a volume range from %li to %li which makes no sense.", e->min_volume, e->max_volume);
1129 e->volume_use = PA_ALSA_VOLUME_IGNORE;
1130
1131 } else {
1132 pa_bool_t is_mono;
1133 pa_channel_position_t p;
1134
1135 if (e->direction == PA_ALSA_DIRECTION_OUTPUT)
1136 is_mono = snd_mixer_selem_is_playback_mono(me) > 0;
1137 else
1138 is_mono = snd_mixer_selem_is_capture_mono(me) > 0;
1139
1140 if (is_mono) {
1141 e->n_channels = 1;
1142
1143 if (!e->override_map) {
1144 for (p = PA_CHANNEL_POSITION_FRONT_LEFT; p < PA_CHANNEL_POSITION_MAX; p++)
1145 e->masks[alsa_channel_ids[p]][e->n_channels-1] = 0;
1146 e->masks[SND_MIXER_SCHN_MONO][e->n_channels-1] = PA_CHANNEL_POSITION_MASK_ALL;
1147 }
1148
1149 e->merged_mask = e->masks[SND_MIXER_SCHN_MONO][e->n_channels-1];
1150 } else {
1151 e->n_channels = 0;
1152 for (p = PA_CHANNEL_POSITION_FRONT_LEFT; p < PA_CHANNEL_POSITION_MAX; p++) {
1153
1154 if (alsa_channel_ids[p] == SND_MIXER_SCHN_UNKNOWN)
1155 continue;
1156
1157 if (e->direction == PA_ALSA_DIRECTION_OUTPUT)
1158 e->n_channels += snd_mixer_selem_has_playback_channel(me, alsa_channel_ids[p]) > 0;
1159 else
1160 e->n_channels += snd_mixer_selem_has_capture_channel(me, alsa_channel_ids[p]) > 0;
1161 }
1162
1163 if (e->n_channels <= 0) {
1164 pa_log_warn("Volume element %s with no channels?", e->alsa_name);
1165 return -1;
1166 }
1167
1168 if (!e->override_map) {
1169 for (p = PA_CHANNEL_POSITION_FRONT_LEFT; p < PA_CHANNEL_POSITION_MAX; p++) {
1170 pa_bool_t has_channel;
1171
1172 if (alsa_channel_ids[p] == SND_MIXER_SCHN_UNKNOWN)
1173 continue;
1174
1175 if (e->direction == PA_ALSA_DIRECTION_OUTPUT)
1176 has_channel = snd_mixer_selem_has_playback_channel(me, alsa_channel_ids[p]) > 0;
1177 else
1178 has_channel = snd_mixer_selem_has_capture_channel(me, alsa_channel_ids[p]) > 0;
1179
1180 e->masks[alsa_channel_ids[p]][e->n_channels-1] = has_channel ? PA_CHANNEL_POSITION_MASK(p) : 0;
1181 }
1182 }
1183
1184 e->merged_mask = 0;
1185 for (p = PA_CHANNEL_POSITION_FRONT_LEFT; p < PA_CHANNEL_POSITION_MAX; p++)
1186 e->merged_mask |= e->masks[alsa_channel_ids[p]][e->n_channels-1];
1187 }
1188 }
1189 }
1190
1191 }
1192
1193 if (check_required(e, me) < 0)
1194 return -1;
1195
1196 if (e->switch_use == PA_ALSA_SWITCH_SELECT) {
1197 pa_alsa_option *o;
1198
1199 PA_LLIST_FOREACH(o, e->options)
1200 o->alsa_idx = pa_streq(o->alsa_name, "on") ? 1 : 0;
1201 } else if (e->enumeration_use == PA_ALSA_ENUMERATION_SELECT) {
1202 int n;
1203 pa_alsa_option *o;
1204
1205 if ((n = snd_mixer_selem_get_enum_items(me)) < 0) {
1206 pa_log("snd_mixer_selem_get_enum_items() failed: %s", pa_alsa_strerror(n));
1207 return -1;
1208 }
1209
1210 PA_LLIST_FOREACH(o, e->options) {
1211 int i;
1212
1213 for (i = 0; i < n; i++) {
1214 char buf[128];
1215
1216 if (snd_mixer_selem_get_enum_item_name(me, i, sizeof(buf), buf) < 0)
1217 continue;
1218
1219 if (!pa_streq(buf, o->alsa_name))
1220 continue;
1221
1222 o->alsa_idx = i;
1223 }
1224 }
1225 }
1226
1227 return 0;
1228 }
1229
1230 static pa_alsa_element* element_get(pa_alsa_path *p, const char *section, pa_bool_t prefixed) {
1231 pa_alsa_element *e;
1232
1233 pa_assert(p);
1234 pa_assert(section);
1235
1236 if (prefixed) {
1237 if (!pa_startswith(section, "Element "))
1238 return NULL;
1239
1240 section += 8;
1241 }
1242
1243 /* This is not an element section, but an enum section? */
1244 if (strchr(section, ':'))
1245 return NULL;
1246
1247 if (p->last_element && pa_streq(p->last_element->alsa_name, section))
1248 return p->last_element;
1249
1250 PA_LLIST_FOREACH(e, p->elements)
1251 if (pa_streq(e->alsa_name, section))
1252 goto finish;
1253
1254 e = pa_xnew0(pa_alsa_element, 1);
1255 e->path = p;
1256 e->alsa_name = pa_xstrdup(section);
1257 e->direction = p->direction;
1258
1259 PA_LLIST_INSERT_AFTER(pa_alsa_element, p->elements, p->last_element, e);
1260
1261 finish:
1262 p->last_element = e;
1263 return e;
1264 }
1265
1266 static pa_alsa_option* option_get(pa_alsa_path *p, const char *section) {
1267 char *en;
1268 const char *on;
1269 pa_alsa_option *o;
1270 pa_alsa_element *e;
1271
1272 if (!pa_startswith(section, "Option "))
1273 return NULL;
1274
1275 section += 7;
1276
1277 /* This is not an enum section, but an element section? */
1278 if (!(on = strchr(section, ':')))
1279 return NULL;
1280
1281 en = pa_xstrndup(section, on - section);
1282 on++;
1283
1284 if (p->last_option &&
1285 pa_streq(p->last_option->element->alsa_name, en) &&
1286 pa_streq(p->last_option->alsa_name, on)) {
1287 pa_xfree(en);
1288 return p->last_option;
1289 }
1290
1291 pa_assert_se(e = element_get(p, en, FALSE));
1292 pa_xfree(en);
1293
1294 PA_LLIST_FOREACH(o, e->options)
1295 if (pa_streq(o->alsa_name, on))
1296 goto finish;
1297
1298 o = pa_xnew0(pa_alsa_option, 1);
1299 o->element = e;
1300 o->alsa_name = pa_xstrdup(on);
1301 o->alsa_idx = -1;
1302
1303 if (p->last_option && p->last_option->element == e)
1304 PA_LLIST_INSERT_AFTER(pa_alsa_option, e->options, p->last_option, o);
1305 else
1306 PA_LLIST_PREPEND(pa_alsa_option, e->options, o);
1307
1308 finish:
1309 p->last_option = o;
1310 return o;
1311 }
1312
1313 static int element_parse_switch(
1314 const char *filename,
1315 unsigned line,
1316 const char *section,
1317 const char *lvalue,
1318 const char *rvalue,
1319 void *data,
1320 void *userdata) {
1321
1322 pa_alsa_path *p = userdata;
1323 pa_alsa_element *e;
1324
1325 pa_assert(p);
1326
1327 if (!(e = element_get(p, section, TRUE))) {
1328 pa_log("[%s:%u] Switch makes no sense in '%s'", filename, line, section);
1329 return -1;
1330 }
1331
1332 if (pa_streq(rvalue, "ignore"))
1333 e->switch_use = PA_ALSA_SWITCH_IGNORE;
1334 else if (pa_streq(rvalue, "mute"))
1335 e->switch_use = PA_ALSA_SWITCH_MUTE;
1336 else if (pa_streq(rvalue, "off"))
1337 e->switch_use = PA_ALSA_SWITCH_OFF;
1338 else if (pa_streq(rvalue, "on"))
1339 e->switch_use = PA_ALSA_SWITCH_ON;
1340 else if (pa_streq(rvalue, "select"))
1341 e->switch_use = PA_ALSA_SWITCH_SELECT;
1342 else {
1343 pa_log("[%s:%u] Switch invalid of '%s'", filename, line, section);
1344 return -1;
1345 }
1346
1347 return 0;
1348 }
1349
1350 static int element_parse_volume(
1351 const char *filename,
1352 unsigned line,
1353 const char *section,
1354 const char *lvalue,
1355 const char *rvalue,
1356 void *data,
1357 void *userdata) {
1358
1359 pa_alsa_path *p = userdata;
1360 pa_alsa_element *e;
1361
1362 pa_assert(p);
1363
1364 if (!(e = element_get(p, section, TRUE))) {
1365 pa_log("[%s:%u] Volume makes no sense in '%s'", filename, line, section);
1366 return -1;
1367 }
1368
1369 if (pa_streq(rvalue, "ignore"))
1370 e->volume_use = PA_ALSA_VOLUME_IGNORE;
1371 else if (pa_streq(rvalue, "merge"))
1372 e->volume_use = PA_ALSA_VOLUME_MERGE;
1373 else if (pa_streq(rvalue, "off"))
1374 e->volume_use = PA_ALSA_VOLUME_OFF;
1375 else if (pa_streq(rvalue, "zero"))
1376 e->volume_use = PA_ALSA_VOLUME_ZERO;
1377 else {
1378 pa_log("[%s:%u] Volume invalid of '%s'", filename, line, section);
1379 return -1;
1380 }
1381
1382 return 0;
1383 }
1384
1385 static int element_parse_enumeration(
1386 const char *filename,
1387 unsigned line,
1388 const char *section,
1389 const char *lvalue,
1390 const char *rvalue,
1391 void *data,
1392 void *userdata) {
1393
1394 pa_alsa_path *p = userdata;
1395 pa_alsa_element *e;
1396
1397 pa_assert(p);
1398
1399 if (!(e = element_get(p, section, TRUE))) {
1400 pa_log("[%s:%u] Enumeration makes no sense in '%s'", filename, line, section);
1401 return -1;
1402 }
1403
1404 if (pa_streq(rvalue, "ignore"))
1405 e->enumeration_use = PA_ALSA_ENUMERATION_IGNORE;
1406 else if (pa_streq(rvalue, "select"))
1407 e->enumeration_use = PA_ALSA_ENUMERATION_SELECT;
1408 else {
1409 pa_log("[%s:%u] Enumeration invalid of '%s'", filename, line, section);
1410 return -1;
1411 }
1412
1413 return 0;
1414 }
1415
1416 static int option_parse_priority(
1417 const char *filename,
1418 unsigned line,
1419 const char *section,
1420 const char *lvalue,
1421 const char *rvalue,
1422 void *data,
1423 void *userdata) {
1424
1425 pa_alsa_path *p = userdata;
1426 pa_alsa_option *o;
1427 uint32_t prio;
1428
1429 pa_assert(p);
1430
1431 if (!(o = option_get(p, section))) {
1432 pa_log("[%s:%u] Priority makes no sense in '%s'", filename, line, section);
1433 return -1;
1434 }
1435
1436 if (pa_atou(rvalue, &prio) < 0) {
1437 pa_log("[%s:%u] Priority invalid of '%s'", filename, line, section);
1438 return -1;
1439 }
1440
1441 o->priority = prio;
1442 return 0;
1443 }
1444
1445 static int option_parse_name(
1446 const char *filename,
1447 unsigned line,
1448 const char *section,
1449 const char *lvalue,
1450 const char *rvalue,
1451 void *data,
1452 void *userdata) {
1453
1454 pa_alsa_path *p = userdata;
1455 pa_alsa_option *o;
1456
1457 pa_assert(p);
1458
1459 if (!(o = option_get(p, section))) {
1460 pa_log("[%s:%u] Name makes no sense in '%s'", filename, line, section);
1461 return -1;
1462 }
1463
1464 pa_xfree(o->name);
1465 o->name = pa_xstrdup(rvalue);
1466
1467 return 0;
1468 }
1469
1470 static int element_parse_required(
1471 const char *filename,
1472 unsigned line,
1473 const char *section,
1474 const char *lvalue,
1475 const char *rvalue,
1476 void *data,
1477 void *userdata) {
1478
1479 pa_alsa_path *p = userdata;
1480 pa_alsa_element *e;
1481 pa_alsa_required_t req;
1482
1483 pa_assert(p);
1484
1485 if (!(e = element_get(p, section, TRUE))) {
1486 pa_log("[%s:%u] Required makes no sense in '%s'", filename, line, section);
1487 return -1;
1488 }
1489
1490 if (pa_streq(rvalue, "ignore"))
1491 req = PA_ALSA_REQUIRED_IGNORE;
1492 else if (pa_streq(rvalue, "switch"))
1493 req = PA_ALSA_REQUIRED_SWITCH;
1494 else if (pa_streq(rvalue, "volume"))
1495 req = PA_ALSA_REQUIRED_VOLUME;
1496 else if (pa_streq(rvalue, "enumeration"))
1497 req = PA_ALSA_REQUIRED_ENUMERATION;
1498 else if (pa_streq(rvalue, "any"))
1499 req = PA_ALSA_REQUIRED_ANY;
1500 else {
1501 pa_log("[%s:%u] Required invalid of '%s'", filename, line, section);
1502 return -1;
1503 }
1504
1505 if (pa_streq(lvalue, "required-absent"))
1506 e->required_absent = req;
1507 else
1508 e->required = req;
1509
1510 return 0;
1511 }
1512
1513 static int element_parse_direction(
1514 const char *filename,
1515 unsigned line,
1516 const char *section,
1517 const char *lvalue,
1518 const char *rvalue,
1519 void *data,
1520 void *userdata) {
1521
1522 pa_alsa_path *p = userdata;
1523 pa_alsa_element *e;
1524
1525 pa_assert(p);
1526
1527 if (!(e = element_get(p, section, TRUE))) {
1528 pa_log("[%s:%u] Direction makes no sense in '%s'", filename, line, section);
1529 return -1;
1530 }
1531
1532 if (pa_streq(rvalue, "playback"))
1533 e->direction = PA_ALSA_DIRECTION_OUTPUT;
1534 else if (pa_streq(rvalue, "capture"))
1535 e->direction = PA_ALSA_DIRECTION_INPUT;
1536 else {
1537 pa_log("[%s:%u] Direction invalid of '%s'", filename, line, section);
1538 return -1;
1539 }
1540
1541 return 0;
1542 }
1543
1544 static int element_parse_direction_try_other(
1545 const char *filename,
1546 unsigned line,
1547 const char *section,
1548 const char *lvalue,
1549 const char *rvalue,
1550 void *data,
1551 void *userdata) {
1552
1553 pa_alsa_path *p = userdata;
1554 pa_alsa_element *e;
1555 int yes;
1556
1557 if (!(e = element_get(p, section, TRUE))) {
1558 pa_log("[%s:%u] Direction makes no sense in '%s'", filename, line, section);
1559 return -1;
1560 }
1561
1562 if ((yes = pa_parse_boolean(rvalue)) < 0) {
1563 pa_log("[%s:%u] Direction invalid of '%s'", filename, line, section);
1564 return -1;
1565 }
1566
1567 e->direction_try_other = !!yes;
1568 return 0;
1569 }
1570
1571 static pa_channel_position_mask_t parse_mask(const char *m) {
1572 pa_channel_position_mask_t v;
1573
1574 if (pa_streq(m, "all-left"))
1575 v = PA_CHANNEL_POSITION_MASK_LEFT;
1576 else if (pa_streq(m, "all-right"))
1577 v = PA_CHANNEL_POSITION_MASK_RIGHT;
1578 else if (pa_streq(m, "all-center"))
1579 v = PA_CHANNEL_POSITION_MASK_CENTER;
1580 else if (pa_streq(m, "all-front"))
1581 v = PA_CHANNEL_POSITION_MASK_FRONT;
1582 else if (pa_streq(m, "all-rear"))
1583 v = PA_CHANNEL_POSITION_MASK_REAR;
1584 else if (pa_streq(m, "all-side"))
1585 v = PA_CHANNEL_POSITION_MASK_SIDE_OR_TOP_CENTER;
1586 else if (pa_streq(m, "all-top"))
1587 v = PA_CHANNEL_POSITION_MASK_TOP;
1588 else if (pa_streq(m, "all-no-lfe"))
1589 v = PA_CHANNEL_POSITION_MASK_ALL ^ PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_LFE);
1590 else if (pa_streq(m, "all"))
1591 v = PA_CHANNEL_POSITION_MASK_ALL;
1592 else {
1593 pa_channel_position_t p;
1594
1595 if ((p = pa_channel_position_from_string(m)) == PA_CHANNEL_POSITION_INVALID)
1596 return 0;
1597
1598 v = PA_CHANNEL_POSITION_MASK(p);
1599 }
1600
1601 return v;
1602 }
1603
1604 static int element_parse_override_map(
1605 const char *filename,
1606 unsigned line,
1607 const char *section,
1608 const char *lvalue,
1609 const char *rvalue,
1610 void *data,
1611 void *userdata) {
1612
1613 pa_alsa_path *p = userdata;
1614 pa_alsa_element *e;
1615 const char *state = NULL;
1616 unsigned i = 0;
1617 char *n;
1618
1619 if (!(e = element_get(p, section, TRUE))) {
1620 pa_log("[%s:%u] Override map makes no sense in '%s'", filename, line, section);
1621 return -1;
1622 }
1623
1624 while ((n = pa_split(rvalue, ",", &state))) {
1625 pa_channel_position_mask_t m;
1626
1627 if (!*n)
1628 m = 0;
1629 else {
1630 if ((m = parse_mask(n)) == 0) {
1631 pa_log("[%s:%u] Override map '%s' invalid in '%s'", filename, line, n, section);
1632 pa_xfree(n);
1633 return -1;
1634 }
1635 }
1636
1637 if (pa_streq(lvalue, "override-map.1"))
1638 e->masks[i++][0] = m;
1639 else
1640 e->masks[i++][1] = m;
1641
1642 /* Later on we might add override-map.3 and so on here ... */
1643
1644 pa_xfree(n);
1645 }
1646
1647 e->override_map = TRUE;
1648
1649 return 0;
1650 }
1651
1652 static int element_set_option(pa_alsa_element *e, snd_mixer_t *m, int alsa_idx) {
1653 snd_mixer_selem_id_t *sid;
1654 snd_mixer_elem_t *me;
1655 int r;
1656
1657 pa_assert(e);
1658 pa_assert(m);
1659
1660 SELEM_INIT(sid, e->alsa_name);
1661 if (!(me = snd_mixer_find_selem(m, sid))) {
1662 pa_log_warn("Element %s seems to have disappeared.", e->alsa_name);
1663 return -1;
1664 }
1665
1666 if (e->switch_use == PA_ALSA_SWITCH_SELECT) {
1667
1668 if (e->direction == PA_ALSA_DIRECTION_OUTPUT)
1669 r = snd_mixer_selem_set_playback_switch_all(me, alsa_idx);
1670 else
1671 r = snd_mixer_selem_set_capture_switch_all(me, alsa_idx);
1672
1673 if (r < 0)
1674 pa_log_warn("Faile to set switch of %s: %s", e->alsa_name, pa_alsa_strerror(errno));
1675
1676 } else {
1677 pa_assert(e->enumeration_use == PA_ALSA_ENUMERATION_SELECT);
1678
1679 if ((r = snd_mixer_selem_set_enum_item(me, 0, alsa_idx)) < 0)
1680 pa_log_warn("Faile to set enumeration of %s: %s", e->alsa_name, pa_alsa_strerror(errno));
1681 }
1682
1683 return r;
1684 }
1685
1686 int pa_alsa_setting_select(pa_alsa_setting *s, snd_mixer_t *m) {
1687 pa_alsa_option *o;
1688 uint32_t idx;
1689
1690 pa_assert(s);
1691 pa_assert(m);
1692
1693 PA_IDXSET_FOREACH(o, s->options, idx)
1694 element_set_option(o->element, m, o->alsa_idx);
1695
1696 return 0;
1697 }
1698
1699 static int option_verify(pa_alsa_option *o) {
1700 static const struct description_map well_known_descriptions[] = {
1701 { "input", N_("Input") },
1702 { "input-docking", N_("Docking Station Input") },
1703 { "input-docking-microphone", N_("Docking Station Microphone") },
1704 { "input-linein", N_("Line-In") },
1705 { "input-microphone", N_("Microphone") },
1706 { "input-microphone-external", N_("External Microphone") },
1707 { "input-microphone-internal", N_("Internal Microphone") },
1708 { "input-radio", N_("Radio") },
1709 { "input-video", N_("Video") },
1710 { "input-agc-on", N_("Automatic Gain Control") },
1711 { "input-agc-off", N_("No Automatic Gain Control") },
1712 { "input-boost-on", N_("Boost") },
1713 { "input-boost-off", N_("No Boost") },
1714 { "output-amplifier-on", N_("Amplifier") },
1715 { "output-amplifier-off", N_("No Amplifier") },
1716 { "output-bass-boost-on", N_("Bass Boost") },
1717 { "output-bass-boost-off", N_("No Bass Boost") },
1718 { "output-speaker", N_("Speaker") },
1719 { "output-headphones", N_("Headphones") }
1720 };
1721
1722 pa_assert(o);
1723
1724 if (!o->name) {
1725 pa_log("No name set for option %s", o->alsa_name);
1726 return -1;
1727 }
1728
1729 if (o->element->enumeration_use != PA_ALSA_ENUMERATION_SELECT &&
1730 o->element->switch_use != PA_ALSA_SWITCH_SELECT) {
1731 pa_log("Element %s of option %s not set for select.", o->element->alsa_name, o->name);
1732 return -1;
1733 }
1734
1735 if (o->element->switch_use == PA_ALSA_SWITCH_SELECT &&
1736 !pa_streq(o->alsa_name, "on") &&
1737 !pa_streq(o->alsa_name, "off")) {
1738 pa_log("Switch %s options need be named off or on ", o->element->alsa_name);
1739 return -1;
1740 }
1741
1742 if (!o->description)
1743 o->description = pa_xstrdup(lookup_description(o->name,
1744 well_known_descriptions,
1745 PA_ELEMENTSOF(well_known_descriptions)));
1746 if (!o->description)
1747 o->description = pa_xstrdup(o->name);
1748
1749 return 0;
1750 }
1751
1752 static int element_verify(pa_alsa_element *e) {
1753 pa_alsa_option *o;
1754
1755 pa_assert(e);
1756
1757 if ((e->required != PA_ALSA_REQUIRED_IGNORE && e->required == e->required_absent) ||
1758 (e->required_absent == PA_ALSA_REQUIRED_ANY && e->required != PA_ALSA_REQUIRED_IGNORE)) {
1759 pa_log("Element %s cannot be required and absent at the same time.", e->alsa_name);
1760 return -1;
1761 }
1762
1763 if (e->switch_use == PA_ALSA_SWITCH_SELECT && e->enumeration_use == PA_ALSA_ENUMERATION_SELECT) {
1764 pa_log("Element %s cannot set select for both switch and enumeration.", e->alsa_name);
1765 return -1;
1766 }
1767
1768 PA_LLIST_FOREACH(o, e->options)
1769 if (option_verify(o) < 0)
1770 return -1;
1771
1772 return 0;
1773 }
1774
1775 static int path_verify(pa_alsa_path *p) {
1776 static const struct description_map well_known_descriptions[] = {
1777 { "analog-input", N_("Analog Input") },
1778 { "analog-input-microphone", N_("Analog Microphone") },
1779 { "analog-input-linein", N_("Analog Line-In") },
1780 { "analog-input-radio", N_("Analog Radio") },
1781 { "analog-input-video", N_("Analog Video") },
1782 { "analog-output", N_("Analog Output") },
1783 { "analog-output-headphones", N_("Analog Headphones") },
1784 { "analog-output-lfe-on-mono", N_("Analog Output (LFE)") },
1785 { "analog-output-mono", N_("Analog Mono Output") },
1786 { "analog-output-speaker", N_("Analog Speakers") }
1787 };
1788
1789 pa_alsa_element *e;
1790
1791 pa_assert(p);
1792
1793 PA_LLIST_FOREACH(e, p->elements)
1794 if (element_verify(e) < 0)
1795 return -1;
1796
1797 if (!p->description)
1798 p->description = pa_xstrdup(lookup_description(p->name,
1799 well_known_descriptions,
1800 PA_ELEMENTSOF(well_known_descriptions)));
1801
1802 if (!p->description)
1803 p->description = pa_xstrdup(p->name);
1804
1805 return 0;
1806 }
1807
1808 pa_alsa_path* pa_alsa_path_new(const char *fname, pa_alsa_direction_t direction) {
1809 pa_alsa_path *p;
1810 char *fn;
1811 int r;
1812 const char *n;
1813
1814 pa_config_item items[] = {
1815 /* [General] */
1816 { "priority", pa_config_parse_unsigned, NULL, "General" },
1817 { "description", pa_config_parse_string, NULL, "General" },
1818 { "name", pa_config_parse_string, NULL, "General" },
1819
1820 /* [Option ...] */
1821 { "priority", option_parse_priority, NULL, NULL },
1822 { "name", option_parse_name, NULL, NULL },
1823
1824 /* [Element ...] */
1825 { "switch", element_parse_switch, NULL, NULL },
1826 { "volume", element_parse_volume, NULL, NULL },
1827 { "enumeration", element_parse_enumeration, NULL, NULL },
1828 { "override-map.1", element_parse_override_map, NULL, NULL },
1829 { "override-map.2", element_parse_override_map, NULL, NULL },
1830 /* ... later on we might add override-map.3 and so on here ... */
1831 { "required", element_parse_required, NULL, NULL },
1832 { "required-absent", element_parse_required, NULL, NULL },
1833 { "direction", element_parse_direction, NULL, NULL },
1834 { "direction-try-other", element_parse_direction_try_other, NULL, NULL },
1835 { NULL, NULL, NULL, NULL }
1836 };
1837
1838 pa_assert(fname);
1839
1840 p = pa_xnew0(pa_alsa_path, 1);
1841 n = pa_path_get_filename(fname);
1842 p->name = pa_xstrndup(n, strcspn(n, "."));
1843 p->direction = direction;
1844
1845 items[0].data = &p->priority;
1846 items[1].data = &p->description;
1847 items[2].data = &p->name;
1848
1849 fn = pa_maybe_prefix_path(fname,
1850 #if defined(__linux__) && !defined(__OPTIMIZE__)
1851 pa_run_from_build_tree() ? PA_BUILDDIR "/modules/alsa/mixer/paths/" :
1852 #endif
1853 PA_ALSA_PATHS_DIR);
1854
1855 r = pa_config_parse(fn, NULL, items, p);
1856 pa_xfree(fn);
1857
1858 if (r < 0)
1859 goto fail;
1860
1861 if (path_verify(p) < 0)
1862 goto fail;
1863
1864 return p;
1865
1866 fail:
1867 pa_alsa_path_free(p);
1868 return NULL;
1869 }
1870
1871 pa_alsa_path* pa_alsa_path_synthesize(const char*element, pa_alsa_direction_t direction) {
1872 pa_alsa_path *p;
1873 pa_alsa_element *e;
1874
1875 pa_assert(element);
1876
1877 p = pa_xnew0(pa_alsa_path, 1);
1878 p->name = pa_xstrdup(element);
1879 p->direction = direction;
1880
1881 e = pa_xnew0(pa_alsa_element, 1);
1882 e->path = p;
1883 e->alsa_name = pa_xstrdup(element);
1884 e->direction = direction;
1885
1886 e->switch_use = PA_ALSA_SWITCH_MUTE;
1887 e->volume_use = PA_ALSA_VOLUME_MERGE;
1888
1889 PA_LLIST_PREPEND(pa_alsa_element, p->elements, e);
1890 return p;
1891 }
1892
1893 static pa_bool_t element_drop_unsupported(pa_alsa_element *e) {
1894 pa_alsa_option *o, *n;
1895
1896 pa_assert(e);
1897
1898 for (o = e->options; o; o = n) {
1899 n = o->next;
1900
1901 if (o->alsa_idx < 0) {
1902 PA_LLIST_REMOVE(pa_alsa_option, e->options, o);
1903 option_free(o);
1904 }
1905 }
1906
1907 return
1908 e->switch_use != PA_ALSA_SWITCH_IGNORE ||
1909 e->volume_use != PA_ALSA_VOLUME_IGNORE ||
1910 e->enumeration_use != PA_ALSA_ENUMERATION_IGNORE;
1911 }
1912
1913 static void path_drop_unsupported(pa_alsa_path *p) {
1914 pa_alsa_element *e, *n;
1915
1916 pa_assert(p);
1917
1918 for (e = p->elements; e; e = n) {
1919 n = e->next;
1920
1921 if (!element_drop_unsupported(e)) {
1922 PA_LLIST_REMOVE(pa_alsa_element, p->elements, e);
1923 element_free(e);
1924 }
1925 }
1926 }
1927
1928 static void path_make_options_unique(pa_alsa_path *p) {
1929 pa_alsa_element *e;
1930 pa_alsa_option *o, *u;
1931
1932 PA_LLIST_FOREACH(e, p->elements) {
1933 PA_LLIST_FOREACH(o, e->options) {
1934 unsigned i;
1935 char *m;
1936
1937 for (u = o->next; u; u = u->next)
1938 if (pa_streq(u->name, o->name))
1939 break;
1940
1941 if (!u)
1942 continue;
1943
1944 m = pa_xstrdup(o->name);
1945
1946 /* OK, this name is not unique, hence let's rename */
1947 for (i = 1, u = o; u; u = u->next) {
1948 char *nn, *nd;
1949
1950 if (!pa_streq(u->name, m))
1951 continue;
1952
1953 nn = pa_sprintf_malloc("%s-%u", m, i);
1954 pa_xfree(u->name);
1955 u->name = nn;
1956
1957 nd = pa_sprintf_malloc("%s %u", u->description, i);
1958 pa_xfree(u->description);
1959 u->description = nd;
1960
1961 i++;
1962 }
1963
1964 pa_xfree(m);
1965 }
1966 }
1967 }
1968
1969 static pa_bool_t element_create_settings(pa_alsa_element *e, pa_alsa_setting *template) {
1970 pa_alsa_option *o;
1971
1972 for (; e; e = e->next)
1973 if (e->switch_use == PA_ALSA_SWITCH_SELECT ||
1974 e->enumeration_use == PA_ALSA_ENUMERATION_SELECT)
1975 break;
1976
1977 if (!e)
1978 return FALSE;
1979
1980 for (o = e->options; o; o = o->next) {
1981 pa_alsa_setting *s;
1982
1983 if (template) {
1984 s = pa_xnewdup(pa_alsa_setting, template, 1);
1985 s->options = pa_idxset_copy(template->options);
1986 s->name = pa_sprintf_malloc(_("%s+%s"), template->name, o->name);
1987 s->description =
1988 (template->description[0] && o->description[0])
1989 ? pa_sprintf_malloc(_("%s / %s"), template->description, o->description)
1990 : (template->description[0]
1991 ? pa_xstrdup(template->description)
1992 : pa_xstrdup(o->description));
1993
1994 s->priority = PA_MAX(template->priority, o->priority);
1995 } else {
1996 s = pa_xnew0(pa_alsa_setting, 1);
1997 s->options = pa_idxset_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
1998 s->name = pa_xstrdup(o->name);
1999 s->description = pa_xstrdup(o->description);
2000 s->priority = o->priority;
2001 }
2002
2003 pa_idxset_put(s->options, o, NULL);
2004
2005 if (element_create_settings(e->next, s))
2006 /* This is not a leaf, so let's get rid of it */
2007 setting_free(s);
2008 else {
2009 /* This is a leaf, so let's add it */
2010 PA_LLIST_INSERT_AFTER(pa_alsa_setting, e->path->settings, e->path->last_setting, s);
2011
2012 e->path->last_setting = s;
2013 }
2014 }
2015
2016 return TRUE;
2017 }
2018
2019 static void path_create_settings(pa_alsa_path *p) {
2020 pa_assert(p);
2021
2022 element_create_settings(p->elements, NULL);
2023 }
2024
2025 int pa_alsa_path_probe(pa_alsa_path *p, snd_mixer_t *m, pa_bool_t ignore_dB) {
2026 pa_alsa_element *e;
2027 double min_dB[PA_CHANNEL_POSITION_MAX], max_dB[PA_CHANNEL_POSITION_MAX];
2028 pa_channel_position_t t;
2029
2030 pa_assert(p);
2031 pa_assert(m);
2032
2033 if (p->probed)
2034 return 0;
2035
2036 pa_zero(min_dB);
2037 pa_zero(max_dB);
2038
2039 pa_log_debug("Probing path '%s'", p->name);
2040
2041 PA_LLIST_FOREACH(e, p->elements) {
2042 if (element_probe(e, m) < 0) {
2043 p->supported = FALSE;
2044 pa_log_debug("Probe of element '%s' failed.", e->alsa_name);
2045 return -1;
2046 }
2047
2048 if (ignore_dB)
2049 e->has_dB = FALSE;
2050
2051 if (e->volume_use == PA_ALSA_VOLUME_MERGE) {
2052
2053 if (!p->has_volume) {
2054 p->min_volume = e->min_volume;
2055 p->max_volume = e->max_volume;
2056 }
2057
2058 if (e->has_dB) {
2059 if (!p->has_volume) {
2060 for (t = 0; t < PA_CHANNEL_POSITION_MAX; t++)
2061 if (PA_CHANNEL_POSITION_MASK(t) & e->merged_mask) {
2062 min_dB[t] = e->min_dB;
2063 max_dB[t] = e->max_dB;
2064 }
2065
2066 p->has_dB = TRUE;
2067 } else {
2068
2069 if (p->has_dB) {
2070 for (t = 0; t < PA_CHANNEL_POSITION_MAX; t++)
2071 if (PA_CHANNEL_POSITION_MASK(t) & e->merged_mask) {
2072 min_dB[t] += e->min_dB;
2073 max_dB[t] += e->max_dB;
2074 }
2075 } else
2076 /* Hmm, there's another element before us
2077 * which cannot do dB volumes, so we we need
2078 * to 'neutralize' this slider */
2079 e->volume_use = PA_ALSA_VOLUME_ZERO;
2080 }
2081 } else if (p->has_volume)
2082 /* We can't use this volume, so let's ignore it */
2083 e->volume_use = PA_ALSA_VOLUME_IGNORE;
2084
2085 p->has_volume = TRUE;
2086 }
2087
2088 if (e->switch_use == PA_ALSA_SWITCH_MUTE)
2089 p->has_mute = TRUE;
2090 }
2091
2092 path_drop_unsupported(p);
2093 path_make_options_unique(p);
2094 path_create_settings(p);
2095
2096 p->supported = TRUE;
2097 p->probed = TRUE;
2098
2099 p->min_dB = INFINITY;
2100 p->max_dB = -INFINITY;
2101
2102 for (t = 0; t < PA_CHANNEL_POSITION_MAX; t++) {
2103 if (p->min_dB > min_dB[t])
2104 p->min_dB = min_dB[t];
2105
2106 if (p->max_dB < max_dB[t])
2107 p->max_dB = max_dB[t];
2108 }
2109
2110 return 0;
2111 }
2112
2113 void pa_alsa_setting_dump(pa_alsa_setting *s) {
2114 pa_assert(s);
2115
2116 pa_log_debug("Setting %s (%s) priority=%u",
2117 s->name,
2118 pa_strnull(s->description),
2119 s->priority);
2120 }
2121
2122 void pa_alsa_option_dump(pa_alsa_option *o) {
2123 pa_assert(o);
2124
2125 pa_log_debug("Option %s (%s/%s) index=%i, priority=%u",
2126 o->alsa_name,
2127 pa_strnull(o->name),
2128 pa_strnull(o->description),
2129 o->alsa_idx,
2130 o->priority);
2131 }
2132
2133 void pa_alsa_element_dump(pa_alsa_element *e) {
2134 pa_alsa_option *o;
2135 pa_assert(e);
2136
2137 pa_log_debug("Element %s, direction=%i, switch=%i, volume=%i, enumeration=%i, required=%i, required_absent=%i, mask=0x%llx, n_channels=%u, override_map=%s",
2138 e->alsa_name,
2139 e->direction,
2140 e->switch_use,
2141 e->volume_use,
2142 e->enumeration_use,
2143 e->required,
2144 e->required_absent,
2145 (long long unsigned) e->merged_mask,
2146 e->n_channels,
2147 pa_yes_no(e->override_map));
2148
2149 PA_LLIST_FOREACH(o, e->options)
2150 pa_alsa_option_dump(o);
2151 }
2152
2153 void pa_alsa_path_dump(pa_alsa_path *p) {
2154 pa_alsa_element *e;
2155 pa_alsa_setting *s;
2156 pa_assert(p);
2157
2158 pa_log_debug("Path %s (%s), direction=%i, priority=%u, probed=%s, supported=%s, has_mute=%s, has_volume=%s, "
2159 "has_dB=%s, min_volume=%li, max_volume=%li, min_dB=%g, max_dB=%g",
2160 p->name,
2161 pa_strnull(p->description),
2162 p->direction,
2163 p->priority,
2164 pa_yes_no(p->probed),
2165 pa_yes_no(p->supported),
2166 pa_yes_no(p->has_mute),
2167 pa_yes_no(p->has_volume),
2168 pa_yes_no(p->has_dB),
2169 p->min_volume, p->max_volume,
2170 p->min_dB, p->max_dB);
2171
2172 PA_LLIST_FOREACH(e, p->elements)
2173 pa_alsa_element_dump(e);
2174
2175 PA_LLIST_FOREACH(s, p->settings)
2176 pa_alsa_setting_dump(s);
2177 }
2178
2179 static void element_set_callback(pa_alsa_element *e, snd_mixer_t *m, snd_mixer_elem_callback_t cb, void *userdata) {
2180 snd_mixer_selem_id_t *sid;
2181 snd_mixer_elem_t *me;
2182
2183 pa_assert(e);
2184 pa_assert(m);
2185 pa_assert(cb);
2186
2187 SELEM_INIT(sid, e->alsa_name);
2188 if (!(me = snd_mixer_find_selem(m, sid))) {
2189 pa_log_warn("Element %s seems to have disappeared.", e->alsa_name);
2190 return;
2191 }
2192
2193 snd_mixer_elem_set_callback(me, cb);
2194 snd_mixer_elem_set_callback_private(me, userdata);
2195 }
2196
2197 void pa_alsa_path_set_callback(pa_alsa_path *p, snd_mixer_t *m, snd_mixer_elem_callback_t cb, void *userdata) {
2198 pa_alsa_element *e;
2199
2200 pa_assert(p);
2201 pa_assert(m);
2202 pa_assert(cb);
2203
2204 PA_LLIST_FOREACH(e, p->elements)
2205 element_set_callback(e, m, cb, userdata);
2206 }
2207
2208 void pa_alsa_path_set_set_callback(pa_alsa_path_set *ps, snd_mixer_t *m, snd_mixer_elem_callback_t cb, void *userdata) {
2209 pa_alsa_path *p;
2210
2211 pa_assert(ps);
2212 pa_assert(m);
2213 pa_assert(cb);
2214
2215 PA_LLIST_FOREACH(p, ps->paths)
2216 pa_alsa_path_set_callback(p, m, cb, userdata);
2217 }
2218
2219 pa_alsa_path_set *pa_alsa_path_set_new(pa_alsa_mapping *m, pa_alsa_direction_t direction) {
2220 pa_alsa_path_set *ps;
2221 char **pn = NULL, **en = NULL, **ie;
2222
2223 pa_assert(m);
2224 pa_assert(direction == PA_ALSA_DIRECTION_OUTPUT || direction == PA_ALSA_DIRECTION_INPUT);
2225
2226 if (m->direction != PA_ALSA_DIRECTION_ANY && m->direction != direction)
2227 return NULL;
2228
2229 ps = pa_xnew0(pa_alsa_path_set, 1);
2230 ps->direction = direction;
2231
2232 if (direction == PA_ALSA_DIRECTION_OUTPUT)
2233 pn = m->output_path_names;
2234 else if (direction == PA_ALSA_DIRECTION_INPUT)
2235 pn = m->input_path_names;
2236
2237 if (pn) {
2238 char **in;
2239
2240 for (in = pn; *in; in++) {
2241 pa_alsa_path *p;
2242 pa_bool_t duplicate = FALSE;
2243 char **kn, *fn;
2244
2245 for (kn = pn; kn != in; kn++)
2246 if (pa_streq(*kn, *in)) {
2247 duplicate = TRUE;
2248 break;
2249 }
2250
2251 if (duplicate)
2252 continue;
2253
2254 fn = pa_sprintf_malloc("%s.conf", *in);
2255
2256 if ((p = pa_alsa_path_new(fn, direction))) {
2257 p->path_set = ps;
2258 PA_LLIST_INSERT_AFTER(pa_alsa_path, ps->paths, ps->last_path, p);
2259 ps->last_path = p;
2260 }
2261
2262 pa_xfree(fn);
2263 }
2264
2265 return ps;
2266 }
2267
2268 if (direction == PA_ALSA_DIRECTION_OUTPUT)
2269 en = m->output_element;
2270 else if (direction == PA_ALSA_DIRECTION_INPUT)
2271 en = m->input_element;
2272
2273 if (!en) {
2274 pa_alsa_path_set_free(ps);
2275 return NULL;
2276 }
2277
2278 for (ie = en; *ie; ie++) {
2279 char **je;
2280 pa_alsa_path *p;
2281
2282 p = pa_alsa_path_synthesize(*ie, direction);
2283 p->path_set = ps;
2284
2285 /* Mark all other passed elements for require-absent */
2286 for (je = en; *je; je++) {
2287 pa_alsa_element *e;
2288 e = pa_xnew0(pa_alsa_element, 1);
2289 e->path = p;
2290 e->alsa_name = pa_xstrdup(*je);
2291 e->direction = direction;
2292 e->required_absent = PA_ALSA_REQUIRED_ANY;
2293
2294 PA_LLIST_INSERT_AFTER(pa_alsa_element, p->elements, p->last_element, e);
2295 p->last_element = e;
2296 }
2297
2298 PA_LLIST_INSERT_AFTER(pa_alsa_path, ps->paths, ps->last_path, p);
2299 ps->last_path = p;
2300 }
2301
2302 return ps;
2303 }
2304
2305 void pa_alsa_path_set_dump(pa_alsa_path_set *ps) {
2306 pa_alsa_path *p;
2307 pa_assert(ps);
2308
2309 pa_log_debug("Path Set %p, direction=%i, probed=%s",
2310 (void*) ps,
2311 ps->direction,
2312 pa_yes_no(ps->probed));
2313
2314 PA_LLIST_FOREACH(p, ps->paths)
2315 pa_alsa_path_dump(p);
2316 }
2317
2318 static void path_set_unify(pa_alsa_path_set *ps) {
2319 pa_alsa_path *p;
2320 pa_bool_t has_dB = TRUE, has_volume = TRUE, has_mute = TRUE;
2321 pa_assert(ps);
2322
2323 /* We have issues dealing with paths that vary too wildly. That
2324 * means for now we have to have all paths support volume/mute/dB
2325 * or none. */
2326
2327 PA_LLIST_FOREACH(p, ps->paths) {
2328 pa_assert(p->probed);
2329
2330 if (!p->has_volume)
2331 has_volume = FALSE;
2332 else if (!p->has_dB)
2333 has_dB = FALSE;
2334
2335 if (!p->has_mute)
2336 has_mute = FALSE;
2337 }
2338
2339 if (!has_volume || !has_dB || !has_mute) {
2340
2341 if (!has_volume)
2342 pa_log_debug("Some paths of the device lack hardware volume control, disabling hardware control altogether.");
2343 else if (!has_dB)
2344 pa_log_debug("Some paths of the device lack dB information, disabling dB logic altogether.");
2345
2346 if (!has_mute)
2347 pa_log_debug("Some paths of the device lack hardware mute control, disabling hardware control altogether.");
2348
2349 PA_LLIST_FOREACH(p, ps->paths) {
2350 if (!has_volume)
2351 p->has_volume = FALSE;
2352 else if (!has_dB)
2353 p->has_dB = FALSE;
2354
2355 if (!has_mute)
2356 p->has_mute = FALSE;
2357 }
2358 }
2359 }
2360
2361 static void path_set_make_paths_unique(pa_alsa_path_set *ps) {
2362 pa_alsa_path *p, *q;
2363
2364 PA_LLIST_FOREACH(p, ps->paths) {
2365 unsigned i;
2366 char *m;
2367
2368 for (q = p->next; q; q = q->next)
2369 if (pa_streq(q->name, p->name))
2370 break;
2371
2372 if (!q)
2373 continue;
2374
2375 m = pa_xstrdup(p->name);
2376
2377 /* OK, this name is not unique, hence let's rename */
2378 for (i = 1, q = p; q; q = q->next) {
2379 char *nn, *nd;
2380
2381 if (!pa_streq(q->name, m))
2382 continue;
2383
2384 nn = pa_sprintf_malloc("%s-%u", m, i);
2385 pa_xfree(q->name);
2386 q->name = nn;
2387
2388 nd = pa_sprintf_malloc("%s %u", q->description, i);
2389 pa_xfree(q->description);
2390 q->description = nd;
2391
2392 i++;
2393 }
2394
2395 pa_xfree(m);
2396 }
2397 }
2398
2399 void pa_alsa_path_set_probe(pa_alsa_path_set *ps, snd_mixer_t *m, pa_bool_t ignore_dB) {
2400 pa_alsa_path *p, *n;
2401
2402 pa_assert(ps);
2403
2404 if (ps->probed)
2405 return;
2406
2407 for (p = ps->paths; p; p = n) {
2408 n = p->next;
2409
2410 if (pa_alsa_path_probe(p, m, ignore_dB) < 0) {
2411 PA_LLIST_REMOVE(pa_alsa_path, ps->paths, p);
2412 pa_alsa_path_free(p);
2413 }
2414 }
2415
2416 path_set_unify(ps);
2417 path_set_make_paths_unique(ps);
2418 ps->probed = TRUE;
2419 }
2420
2421 static void mapping_free(pa_alsa_mapping *m) {
2422 pa_assert(m);
2423
2424 pa_xfree(m->name);
2425 pa_xfree(m->description);
2426
2427 pa_xstrfreev(m->device_strings);
2428 pa_xstrfreev(m->input_path_names);
2429 pa_xstrfreev(m->output_path_names);
2430 pa_xstrfreev(m->input_element);
2431 pa_xstrfreev(m->output_element);
2432
2433 pa_assert(!m->input_pcm);
2434 pa_assert(!m->output_pcm);
2435
2436 pa_xfree(m);
2437 }
2438
2439 static void profile_free(pa_alsa_profile *p) {
2440 pa_assert(p);
2441
2442 pa_xfree(p->name);
2443 pa_xfree(p->description);
2444
2445 pa_xstrfreev(p->input_mapping_names);
2446 pa_xstrfreev(p->output_mapping_names);
2447
2448 if (p->input_mappings)
2449 pa_idxset_free(p->input_mappings, NULL, NULL);
2450
2451 if (p->output_mappings)
2452 pa_idxset_free(p->output_mappings, NULL, NULL);
2453
2454 pa_xfree(p);
2455 }
2456
2457 void pa_alsa_profile_set_free(pa_alsa_profile_set *ps) {
2458 pa_assert(ps);
2459
2460 if (ps->profiles) {
2461 pa_alsa_profile *p;
2462
2463 while ((p = pa_hashmap_steal_first(ps->profiles)))
2464 profile_free(p);
2465
2466 pa_hashmap_free(ps->profiles, NULL, NULL);
2467 }
2468
2469 if (ps->mappings) {
2470 pa_alsa_mapping *m;
2471
2472 while ((m = pa_hashmap_steal_first(ps->mappings)))
2473 mapping_free(m);
2474
2475 pa_hashmap_free(ps->mappings, NULL, NULL);
2476 }
2477
2478 pa_xfree(ps);
2479 }
2480
2481 static pa_alsa_mapping *mapping_get(pa_alsa_profile_set *ps, const char *name) {
2482 pa_alsa_mapping *m;
2483
2484 if (!pa_startswith(name, "Mapping "))
2485 return NULL;
2486
2487 name += 8;
2488
2489 if ((m = pa_hashmap_get(ps->mappings, name)))
2490 return m;
2491
2492 m = pa_xnew0(pa_alsa_mapping, 1);
2493 m->profile_set = ps;
2494 m->name = pa_xstrdup(name);
2495 pa_channel_map_init(&m->channel_map);
2496
2497 pa_hashmap_put(ps->mappings, m->name, m);
2498
2499 return m;
2500 }
2501
2502 static pa_alsa_profile *profile_get(pa_alsa_profile_set *ps, const char *name) {
2503 pa_alsa_profile *p;
2504
2505 if (!pa_startswith(name, "Profile "))
2506 return NULL;
2507
2508 name += 8;
2509
2510 if ((p = pa_hashmap_get(ps->profiles, name)))
2511 return p;
2512
2513 p = pa_xnew0(pa_alsa_profile, 1);
2514 p->profile_set = ps;
2515 p->name = pa_xstrdup(name);
2516
2517 pa_hashmap_put(ps->profiles, p->name, p);
2518
2519 return p;
2520 }
2521
2522 static int mapping_parse_device_strings(
2523 const char *filename,
2524 unsigned line,
2525 const char *section,
2526 const char *lvalue,
2527 const char *rvalue,
2528 void *data,
2529 void *userdata) {
2530
2531 pa_alsa_profile_set *ps = userdata;
2532 pa_alsa_mapping *m;
2533
2534 pa_assert(ps);
2535
2536 if (!(m = mapping_get(ps, section))) {
2537 pa_log("[%s:%u] %s invalid in section %s", filename, line, lvalue, section);
2538 return -1;
2539 }
2540
2541 pa_xstrfreev(m->device_strings);
2542 if (!(m->device_strings = pa_split_spaces_strv(rvalue))) {
2543 pa_log("[%s:%u] Device string list empty of '%s'", filename, line, section);
2544 return -1;
2545 }
2546
2547 return 0;
2548 }
2549
2550 static int mapping_parse_channel_map(
2551 const char *filename,
2552 unsigned line,
2553 const char *section,
2554 const char *lvalue,
2555 const char *rvalue,
2556 void *data,
2557 void *userdata) {
2558
2559 pa_alsa_profile_set *ps = userdata;
2560 pa_alsa_mapping *m;
2561
2562 pa_assert(ps);
2563
2564 if (!(m = mapping_get(ps, section))) {
2565 pa_log("[%s:%u] %s invalid in section %s", filename, line, lvalue, section);
2566 return -1;
2567 }
2568
2569 if (!(pa_channel_map_parse(&m->channel_map, rvalue))) {
2570 pa_log("[%s:%u] Channel map invalid of '%s'", filename, line, section);
2571 return -1;
2572 }
2573
2574 return 0;
2575 }
2576
2577 static int mapping_parse_paths(
2578 const char *filename,
2579 unsigned line,
2580 const char *section,
2581 const char *lvalue,
2582 const char *rvalue,
2583 void *data,
2584 void *userdata) {
2585
2586 pa_alsa_profile_set *ps = userdata;
2587 pa_alsa_mapping *m;
2588
2589 pa_assert(ps);
2590
2591 if (!(m = mapping_get(ps, section))) {
2592 pa_log("[%s:%u] %s invalid in section %s", filename, line, lvalue, section);
2593 return -1;
2594 }
2595
2596 if (pa_streq(lvalue, "paths-input")) {
2597 pa_xstrfreev(m->input_path_names);
2598 m->input_path_names = pa_split_spaces_strv(rvalue);
2599 } else {
2600 pa_xstrfreev(m->output_path_names);
2601 m->output_path_names = pa_split_spaces_strv(rvalue);
2602 }
2603
2604 return 0;
2605 }
2606
2607 static int mapping_parse_element(
2608 const char *filename,
2609 unsigned line,
2610 const char *section,
2611 const char *lvalue,
2612 const char *rvalue,
2613 void *data,
2614 void *userdata) {
2615
2616 pa_alsa_profile_set *ps = userdata;
2617 pa_alsa_mapping *m;
2618
2619 pa_assert(ps);
2620
2621 if (!(m = mapping_get(ps, section))) {
2622 pa_log("[%s:%u] %s invalid in section %s", filename, line, lvalue, section);
2623 return -1;
2624 }
2625
2626 if (pa_streq(lvalue, "element-input")) {
2627 pa_xstrfreev(m->input_element);
2628 m->input_element = pa_split_spaces_strv(rvalue);
2629 } else {
2630 pa_xstrfreev(m->output_element);
2631 m->output_element = pa_split_spaces_strv(rvalue);
2632 }
2633
2634 return 0;
2635 }
2636
2637 static int mapping_parse_direction(
2638 const char *filename,
2639 unsigned line,
2640 const char *section,
2641 const char *lvalue,
2642 const char *rvalue,
2643 void *data,
2644 void *userdata) {
2645
2646 pa_alsa_profile_set *ps = userdata;
2647 pa_alsa_mapping *m;
2648
2649 pa_assert(ps);
2650
2651 if (!(m = mapping_get(ps, section))) {
2652 pa_log("[%s:%u] Section name %s invalid.", filename, line, section);
2653 return -1;
2654 }
2655
2656 if (pa_streq(rvalue, "input"))
2657 m->direction = PA_ALSA_DIRECTION_INPUT;
2658 else if (pa_streq(rvalue, "output"))
2659 m->direction = PA_ALSA_DIRECTION_OUTPUT;
2660 else if (pa_streq(rvalue, "any"))
2661 m->direction = PA_ALSA_DIRECTION_ANY;
2662 else {
2663 pa_log("[%s:%u] Direction %s invalid.", filename, line, rvalue);
2664 return -1;
2665 }
2666
2667 return 0;
2668 }
2669
2670 static int mapping_parse_description(
2671 const char *filename,
2672 unsigned line,
2673 const char *section,
2674 const char *lvalue,
2675 const char *rvalue,
2676 void *data,
2677 void *userdata) {
2678
2679 pa_alsa_profile_set *ps = userdata;
2680 pa_alsa_profile *p;
2681 pa_alsa_mapping *m;
2682
2683 pa_assert(ps);
2684
2685 if ((m = mapping_get(ps, section))) {
2686 pa_xfree(m->description);
2687 m->description = pa_xstrdup(rvalue);
2688 } else if ((p = profile_get(ps, section))) {
2689 pa_xfree(p->description);
2690 p->description = pa_xstrdup(rvalue);
2691 } else {
2692 pa_log("[%s:%u] Section name %s invalid.", filename, line, section);
2693 return -1;
2694 }
2695
2696 return 0;
2697 }
2698
2699 static int mapping_parse_priority(
2700 const char *filename,
2701 unsigned line,
2702 const char *section,
2703 const char *lvalue,
2704 const char *rvalue,
2705 void *data,
2706 void *userdata) {
2707
2708 pa_alsa_profile_set *ps = userdata;
2709 pa_alsa_profile *p;
2710 pa_alsa_mapping *m;
2711 uint32_t prio;
2712
2713 pa_assert(ps);
2714
2715 if (pa_atou(rvalue, &prio) < 0) {
2716 pa_log("[%s:%u] Priority invalid of '%s'", filename, line, section);
2717 return -1;
2718 }
2719
2720 if ((m = mapping_get(ps, section)))
2721 m->priority = prio;
2722 else if ((p = profile_get(ps, section)))
2723 p->priority = prio;
2724 else {
2725 pa_log("[%s:%u] Section name %s invalid.", filename, line, section);
2726 return -1;
2727 }
2728
2729 return 0;
2730 }
2731
2732 static int profile_parse_mappings(
2733 const char *filename,
2734 unsigned line,
2735 const char *section,
2736 const char *lvalue,
2737 const char *rvalue,
2738 void *data,
2739 void *userdata) {
2740
2741 pa_alsa_profile_set *ps = userdata;
2742 pa_alsa_profile *p;
2743
2744 pa_assert(ps);
2745
2746 if (!(p = profile_get(ps, section))) {
2747 pa_log("[%s:%u] %s invalid in section %s", filename, line, lvalue, section);
2748 return -1;
2749 }
2750
2751 if (pa_streq(lvalue, "input-mappings")) {
2752 pa_xstrfreev(p->input_mapping_names);
2753 p->input_mapping_names = pa_split_spaces_strv(rvalue);
2754 } else {
2755 pa_xstrfreev(p->output_mapping_names);
2756 p->output_mapping_names = pa_split_spaces_strv(rvalue);
2757 }
2758
2759 return 0;
2760 }
2761
2762 static int profile_parse_skip_probe(
2763 const char *filename,
2764 unsigned line,
2765 const char *section,
2766 const char *lvalue,
2767 const char *rvalue,
2768 void *data,
2769 void *userdata) {
2770
2771 pa_alsa_profile_set *ps = userdata;
2772 pa_alsa_profile *p;
2773 int b;
2774
2775 pa_assert(ps);
2776
2777 if (!(p = profile_get(ps, section))) {
2778 pa_log("[%s:%u] %s invalid in section %s", filename, line, lvalue, section);
2779 return -1;
2780 }
2781
2782 if ((b = pa_parse_boolean(rvalue)) < 0) {
2783 pa_log("[%s:%u] Skip probe invalid of '%s'", filename, line, section);
2784 return -1;
2785 }
2786
2787 p->supported = b;
2788
2789 return 0;
2790 }
2791
2792 static int mapping_verify(pa_alsa_mapping *m, const pa_channel_map *bonus) {
2793
2794 static const struct description_map well_known_descriptions[] = {
2795 { "analog-mono", N_("Analog Mono") },
2796 { "analog-stereo", N_("Analog Stereo") },
2797 { "analog-surround-21", N_("Analog Surround 2.1") },
2798 { "analog-surround-30", N_("Analog Surround 3.0") },
2799 { "analog-surround-31", N_("Analog Surround 3.1") },
2800 { "analog-surround-40", N_("Analog Surround 4.0") },
2801 { "analog-surround-41", N_("Analog Surround 4.1") },
2802 { "analog-surround-50", N_("Analog Surround 5.0") },
2803 { "analog-surround-51", N_("Analog Surround 5.1") },
2804 { "analog-surround-61", N_("Analog Surround 6.0") },
2805 { "analog-surround-61", N_("Analog Surround 6.1") },
2806 { "analog-surround-70", N_("Analog Surround 7.0") },
2807 { "analog-surround-71", N_("Analog Surround 7.1") },
2808 { "iec958-stereo", N_("Digital Stereo (IEC958)") },
2809 { "iec958-surround-40", N_("Digital Surround 4.0 (IEC958)") },
2810 { "iec958-ac3-surround-40", N_("Digital Surround 4.0 (IEC958/AC3)") },
2811 { "iec958-ac3-surround-51", N_("Digital Surround 5.1 (IEC958/AC3)") },
2812 { "hdmi-stereo", N_("Digital Stereo (HDMI)") }
2813 };
2814
2815 pa_assert(m);
2816
2817 if (!pa_channel_map_valid(&m->channel_map)) {
2818 pa_log("Mapping %s is missing channel map.", m->name);
2819 return -1;
2820 }
2821
2822 if (!m->device_strings) {
2823 pa_log("Mapping %s is missing device strings.", m->name);
2824 return -1;
2825 }
2826
2827 if ((m->input_path_names && m->input_element) ||
2828 (m->output_path_names && m->output_element)) {
2829 pa_log("Mapping %s must have either mixer path or mixer elment, not both.", m->name);
2830 return -1;
2831 }
2832
2833 if (!m->description)
2834 m->description = pa_xstrdup(lookup_description(m->name,
2835 well_known_descriptions,
2836 PA_ELEMENTSOF(well_known_descriptions)));
2837
2838 if (!m->description)
2839 m->description = pa_xstrdup(m->name);
2840
2841 if (bonus) {
2842 if (pa_channel_map_equal(&m->channel_map, bonus))
2843 m->priority += 50;
2844 else if (m->channel_map.channels == bonus->channels)
2845 m->priority += 30;
2846 }
2847
2848 return 0;
2849 }
2850
2851 void pa_alsa_mapping_dump(pa_alsa_mapping *m) {
2852 char cm[PA_CHANNEL_MAP_SNPRINT_MAX];
2853
2854 pa_assert(m);
2855
2856 pa_log_debug("Mapping %s (%s), priority=%u, channel_map=%s, supported=%s, direction=%i",
2857 m->name,
2858 pa_strnull(m->description),
2859 m->priority,
2860 pa_channel_map_snprint(cm, sizeof(cm), &m->channel_map),
2861 pa_yes_no(m->supported),
2862 m->direction);
2863 }
2864
2865 static void profile_set_add_auto_pair(
2866 pa_alsa_profile_set *ps,
2867 pa_alsa_mapping *m, /* output */
2868 pa_alsa_mapping *n /* input */) {
2869
2870 char *name;
2871 pa_alsa_profile *p;
2872
2873 pa_assert(ps);
2874 pa_assert(m || n);
2875
2876 if (m && m->direction == PA_ALSA_DIRECTION_INPUT)
2877 return;
2878
2879 if (n && n->direction == PA_ALSA_DIRECTION_OUTPUT)
2880 return;
2881
2882 if (m && n)
2883 name = pa_sprintf_malloc("output:%s+input:%s", m->name, n->name);
2884 else if (m)
2885 name = pa_sprintf_malloc("output:%s", m->name);
2886 else
2887 name = pa_sprintf_malloc("input:%s", n->name);
2888
2889 if (pa_hashmap_get(ps->profiles, name)) {
2890 pa_xfree(name);
2891 return;
2892 }
2893
2894 p = pa_xnew0(pa_alsa_profile, 1);
2895 p->profile_set = ps;
2896 p->name = name;
2897
2898 if (m) {
2899 p->output_mappings = pa_idxset_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
2900 pa_idxset_put(p->output_mappings, m, NULL);
2901 p->priority += m->priority * 100;
2902 }
2903
2904 if (n) {
2905 p->input_mappings = pa_idxset_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
2906 pa_idxset_put(p->input_mappings, n, NULL);
2907 p->priority += n->priority;
2908 }
2909
2910 pa_hashmap_put(ps->profiles, p->name, p);
2911 }
2912
2913 static void profile_set_add_auto(pa_alsa_profile_set *ps) {
2914 pa_alsa_mapping *m, *n;
2915 void *m_state, *n_state;
2916
2917 pa_assert(ps);
2918
2919 PA_HASHMAP_FOREACH(m, ps->mappings, m_state) {
2920 profile_set_add_auto_pair(ps, m, NULL);
2921
2922 PA_HASHMAP_FOREACH(n, ps->mappings, n_state)
2923 profile_set_add_auto_pair(ps, m, n);
2924 }
2925
2926 PA_HASHMAP_FOREACH(n, ps->mappings, n_state)
2927 profile_set_add_auto_pair(ps, NULL, n);
2928 }
2929
2930 static int profile_verify(pa_alsa_profile *p) {
2931
2932 static const struct description_map well_known_descriptions[] = {
2933 { "output:analog-mono+input:analog-mono", N_("Analog Mono Duplex") },
2934 { "output:analog-stereo+input:analog-stereo", N_("Analog Stereo Duplex") },
2935 { "output:iec958-stereo", N_("Digital Stereo Duplex (IEC958)") },
2936 { "off", N_("Off") }
2937 };
2938
2939 pa_assert(p);
2940
2941 /* Replace the output mapping names by the actual mappings */
2942 if (p->output_mapping_names) {
2943 char **name;
2944
2945 pa_assert(!p->output_mappings);
2946 p->output_mappings = pa_idxset_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
2947
2948 for (name = p->output_mapping_names; *name; name++) {
2949 pa_alsa_mapping *m;
2950 char **in;
2951 pa_bool_t duplicate = FALSE;
2952
2953 for (in = name + 1; *in; in++)
2954 if (pa_streq(*name, *in)) {
2955 duplicate = TRUE;
2956 break;
2957 }
2958
2959 if (duplicate)
2960 continue;
2961
2962 if (!(m = pa_hashmap_get(p->profile_set->mappings, *name)) || m->direction == PA_ALSA_DIRECTION_INPUT) {
2963 pa_log("Profile '%s' refers to unexistant mapping '%s'.", p->name, *name);
2964 return -1;
2965 }
2966
2967 pa_idxset_put(p->output_mappings, m, NULL);
2968
2969 if (p->supported)
2970 m->supported++;
2971 }
2972
2973 pa_xstrfreev(p->output_mapping_names);
2974 p->output_mapping_names = NULL;
2975 }
2976
2977 /* Replace the input mapping names by the actual mappings */
2978 if (p->input_mapping_names) {
2979 char **name;
2980
2981 pa_assert(!p->input_mappings);
2982 p->input_mappings = pa_idxset_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
2983
2984 for (name = p->input_mapping_names; *name; name++) {
2985 pa_alsa_mapping *m;
2986 char **in;
2987 pa_bool_t duplicate = FALSE;
2988
2989 for (in = name + 1; *in; in++)
2990 if (pa_streq(*name, *in)) {
2991 duplicate = TRUE;
2992 break;
2993 }
2994
2995 if (duplicate)
2996 continue;
2997
2998 if (!(m = pa_hashmap_get(p->profile_set->mappings, *name)) || m->direction == PA_ALSA_DIRECTION_OUTPUT) {
2999 pa_log("Profile '%s' refers to unexistant mapping '%s'.", p->name, *name);
3000 return -1;
3001 }
3002
3003 pa_idxset_put(p->input_mappings, m, NULL);
3004
3005 if (p->supported)
3006 m->supported++;
3007 }
3008
3009 pa_xstrfreev(p->input_mapping_names);
3010 p->input_mapping_names = NULL;
3011 }
3012
3013 if (!p->input_mappings && !p->output_mappings) {
3014 pa_log("Profile '%s' lacks mappings.", p->name);
3015 return -1;
3016 }
3017
3018 if (!p->description)
3019 p->description = pa_xstrdup(lookup_description(p->name,
3020 well_known_descriptions,
3021 PA_ELEMENTSOF(well_known_descriptions)));
3022
3023 if (!p->description) {
3024 pa_strbuf *sb;
3025 uint32_t idx;
3026 pa_alsa_mapping *m;
3027
3028 sb = pa_strbuf_new();
3029
3030 if (p->output_mappings)
3031 PA_IDXSET_FOREACH(m, p->output_mappings, idx) {
3032 if (!pa_strbuf_isempty(sb))
3033 pa_strbuf_puts(sb, " + ");
3034
3035 pa_strbuf_printf(sb, "%s Output", m->description);
3036 }
3037
3038 if (p->input_mappings)
3039 PA_IDXSET_FOREACH(m, p->input_mappings, idx) {
3040 if (!pa_strbuf_isempty(sb))
3041 pa_strbuf_puts(sb, " + ");
3042
3043 pa_strbuf_printf(sb, "%s Input", m->description);
3044 }
3045
3046 p->description = pa_strbuf_tostring_free(sb);
3047 }
3048
3049 return 0;
3050 }
3051
3052 void pa_alsa_profile_dump(pa_alsa_profile *p) {
3053 uint32_t idx;
3054 pa_alsa_mapping *m;
3055 pa_assert(p);
3056
3057 pa_log_debug("Profile %s (%s), priority=%u, supported=%s n_input_mappings=%u, n_output_mappings=%u",
3058 p->name,
3059 pa_strnull(p->description),
3060 p->priority,
3061 pa_yes_no(p->supported),
3062 p->input_mappings ? pa_idxset_size(p->input_mappings) : 0,
3063 p->output_mappings ? pa_idxset_size(p->output_mappings) : 0);
3064
3065 if (p->input_mappings)
3066 PA_IDXSET_FOREACH(m, p->input_mappings, idx)
3067 pa_log_debug("Input %s", m->name);
3068
3069 if (p->output_mappings)
3070 PA_IDXSET_FOREACH(m, p->output_mappings, idx)
3071 pa_log_debug("Output %s", m->name);
3072 }
3073
3074 pa_alsa_profile_set* pa_alsa_profile_set_new(const char *fname, const pa_channel_map *bonus) {
3075 pa_alsa_profile_set *ps;
3076 pa_alsa_profile *p;
3077 pa_alsa_mapping *m;
3078 char *fn;
3079 int r;
3080 void *state;
3081
3082 static pa_config_item items[] = {
3083 /* [General] */
3084 { "auto-profiles", pa_config_parse_bool, NULL, "General" },
3085
3086 /* [Mapping ...] */
3087 { "device-strings", mapping_parse_device_strings, NULL, NULL },
3088 { "channel-map", mapping_parse_channel_map, NULL, NULL },
3089 { "paths-input", mapping_parse_paths, NULL, NULL },
3090 { "paths-output", mapping_parse_paths, NULL, NULL },
3091 { "element-input", mapping_parse_element, NULL, NULL },
3092 { "element-output", mapping_parse_element, NULL, NULL },
3093 { "direction", mapping_parse_direction, NULL, NULL },
3094
3095 /* Shared by [Mapping ...] and [Profile ...] */
3096 { "description", mapping_parse_description, NULL, NULL },
3097 { "priority", mapping_parse_priority, NULL, NULL },
3098
3099 /* [Profile ...] */
3100 { "input-mappings", profile_parse_mappings, NULL, NULL },
3101 { "output-mappings", profile_parse_mappings, NULL, NULL },
3102 { "skip-probe", profile_parse_skip_probe, NULL, NULL },
3103 { NULL, NULL, NULL, NULL }
3104 };
3105
3106 ps = pa_xnew0(pa_alsa_profile_set, 1);
3107 ps->mappings = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
3108 ps->profiles = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
3109
3110 items[0].data = &ps->auto_profiles;
3111
3112 if (!fname)
3113 fname = "default.conf";
3114
3115 fn = pa_maybe_prefix_path(fname,
3116 #if defined(__linux__) && !defined(__OPTIMIZE__)
3117 pa_run_from_build_tree() ? PA_BUILDDIR "/modules/alsa/mixer/profile-sets/" :
3118 #endif
3119 PA_ALSA_PROFILE_SETS_DIR);
3120
3121 r = pa_config_parse(fn, NULL, items, ps);
3122 pa_xfree(fn);
3123
3124 if (r < 0)
3125 goto fail;
3126
3127 PA_HASHMAP_FOREACH(m, ps->mappings, state)
3128 if (mapping_verify(m, bonus) < 0)
3129 goto fail;
3130
3131 if (ps->auto_profiles)
3132 profile_set_add_auto(ps);
3133
3134 PA_HASHMAP_FOREACH(p, ps->profiles, state)
3135 if (profile_verify(p) < 0)
3136 goto fail;
3137
3138 return ps;
3139
3140 fail:
3141 pa_alsa_profile_set_free(ps);
3142 return NULL;
3143 }
3144
3145 void pa_alsa_profile_set_probe(
3146 pa_alsa_profile_set *ps,
3147 const char *dev_id,
3148 const pa_sample_spec *ss,
3149 unsigned default_n_fragments,
3150 unsigned default_fragment_size_msec) {
3151
3152 void *state;
3153 pa_alsa_profile *p, *last = NULL;
3154 pa_alsa_mapping *m;
3155
3156 pa_assert(ps);
3157 pa_assert(dev_id);
3158 pa_assert(ss);
3159
3160 if (ps->probed)
3161 return;
3162
3163 PA_HASHMAP_FOREACH(p, ps->profiles, state) {
3164 pa_sample_spec try_ss;
3165 pa_channel_map try_map;
3166 snd_pcm_uframes_t try_period_size, try_buffer_size;
3167 uint32_t idx;
3168
3169 /* Is this already marked that it is supported? (i.e. from the config file) */
3170 if (p->supported)
3171 continue;
3172
3173 pa_log_debug("Looking at profile %s", p->name);
3174
3175 /* Close PCMs from the last iteration we don't need anymore */
3176 if (last && last->output_mappings)
3177 PA_IDXSET_FOREACH(m, last->output_mappings, idx) {
3178
3179 if (!m->output_pcm)
3180 break;
3181
3182 if (last->supported)
3183 m->supported++;
3184
3185 if (!p->output_mappings || !pa_idxset_get_by_data(p->output_mappings, m, NULL)) {
3186 snd_pcm_close(m->output_pcm);
3187 m->output_pcm = NULL;
3188 }
3189 }
3190
3191 if (last && last->input_mappings)
3192 PA_IDXSET_FOREACH(m, last->input_mappings, idx) {
3193
3194 if (!m->input_pcm)
3195 break;
3196
3197 if (last->supported)
3198 m->supported++;
3199
3200 if (!p->input_mappings || !pa_idxset_get_by_data(p->input_mappings, m, NULL)) {
3201 snd_pcm_close(m->input_pcm);
3202 m->input_pcm = NULL;
3203 }
3204 }
3205
3206 p->supported = TRUE;
3207
3208 /* Check if we can open all new ones */
3209 if (p->output_mappings)
3210 PA_IDXSET_FOREACH(m, p->output_mappings, idx) {
3211
3212 if (m->output_pcm)
3213 continue;
3214
3215 pa_log_debug("Checking for playback on %s (%s)", m->description, m->name);
3216 try_map = m->channel_map;
3217 try_ss = *ss;
3218 try_ss.channels = try_map.channels;
3219
3220 try_period_size =
3221 pa_usec_to_bytes(default_fragment_size_msec * PA_USEC_PER_MSEC, &try_ss) /
3222 pa_frame_size(&try_ss);
3223 try_buffer_size = default_n_fragments * try_period_size;
3224
3225 if (!(m ->output_pcm = pa_alsa_open_by_template(
3226 m->device_strings,
3227 dev_id,
3228 NULL,
3229 &try_ss, &try_map,
3230 SND_PCM_STREAM_PLAYBACK,
3231 &try_period_size, &try_buffer_size, 0, NULL, NULL,
3232 TRUE))) {
3233 p->supported = FALSE;
3234 break;
3235 }
3236 }
3237
3238 if (p->input_mappings && p->supported)
3239 PA_IDXSET_FOREACH(m, p->input_mappings, idx) {
3240
3241 if (m->input_pcm)
3242 continue;
3243
3244 pa_log_debug("Checking for recording on %s (%s)", m->description, m->name);
3245 try_map = m->channel_map;
3246 try_ss = *ss;
3247 try_ss.channels = try_map.channels;
3248
3249 try_period_size =
3250 pa_usec_to_bytes(default_fragment_size_msec*PA_USEC_PER_MSEC, &try_ss) /
3251 pa_frame_size(&try_ss);
3252 try_buffer_size = default_n_fragments * try_period_size;
3253
3254 if (!(m ->input_pcm = pa_alsa_open_by_template(
3255 m->device_strings,
3256 dev_id,
3257 NULL,
3258 &try_ss, &try_map,
3259 SND_PCM_STREAM_CAPTURE,
3260 &try_period_size, &try_buffer_size, 0, NULL, NULL,
3261 TRUE))) {
3262 p->supported = FALSE;
3263 break;
3264 }
3265 }
3266
3267 last = p;
3268
3269 if (p->supported)
3270 pa_log_debug("Profile %s supported.", p->name);
3271 }
3272
3273 /* Clean up */
3274 if (last) {
3275 uint32_t idx;
3276
3277 if (last->output_mappings)
3278 PA_IDXSET_FOREACH(m, last->output_mappings, idx)
3279 if (m->output_pcm) {
3280
3281 if (last->supported)
3282 m->supported++;
3283
3284 snd_pcm_close(m->output_pcm);
3285 m->output_pcm = NULL;
3286 }
3287
3288 if (last->input_mappings)
3289 PA_IDXSET_FOREACH(m, last->input_mappings, idx)
3290 if (m->input_pcm) {
3291
3292 if (last->supported)
3293 m->supported++;
3294
3295 snd_pcm_close(m->input_pcm);
3296 m->input_pcm = NULL;
3297 }
3298 }
3299
3300 PA_HASHMAP_FOREACH(p, ps->profiles, state)
3301 if (!p->supported) {
3302 pa_hashmap_remove(ps->profiles, p->name);
3303 profile_free(p);
3304 }
3305
3306 PA_HASHMAP_FOREACH(m, ps->mappings, state)
3307 if (m->supported <= 0) {
3308 pa_hashmap_remove(ps->mappings, m->name);
3309 mapping_free(m);
3310 }
3311
3312 ps->probed = TRUE;
3313 }
3314
3315 void pa_alsa_profile_set_dump(pa_alsa_profile_set *ps) {
3316 pa_alsa_profile *p;
3317 pa_alsa_mapping *m;
3318 void *state;
3319
3320 pa_assert(ps);
3321
3322 pa_log_debug("Profile set %p, auto_profiles=%s, probed=%s, n_mappings=%u, n_profiles=%u",
3323 (void*)
3324 ps,
3325 pa_yes_no(ps->auto_profiles),
3326 pa_yes_no(ps->probed),
3327 pa_hashmap_size(ps->mappings),
3328 pa_hashmap_size(ps->profiles));
3329
3330 PA_HASHMAP_FOREACH(m, ps->mappings, state)
3331 pa_alsa_mapping_dump(m);
3332
3333 PA_HASHMAP_FOREACH(p, ps->profiles, state)
3334 pa_alsa_profile_dump(p);
3335 }
3336
3337 void pa_alsa_add_ports(pa_hashmap **p, pa_alsa_path_set *ps) {
3338 pa_alsa_path *path;
3339
3340 pa_assert(p);
3341 pa_assert(!*p);
3342 pa_assert(ps);
3343
3344 /* if there is no path, we don't want a port list */
3345 if (!ps->paths)
3346 return;
3347
3348 if (!ps->paths->next){
3349 pa_alsa_setting *s;
3350
3351 /* If there is only one path, but no or only one setting, then
3352 * we want a port list either */
3353 if (!ps->paths->settings || !ps->paths->settings->next)
3354 return;
3355
3356 /* Ok, there is only one path, however with multiple settings,
3357 * so let's create a port for each setting */
3358 *p = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
3359
3360 PA_LLIST_FOREACH(s, ps->paths->settings) {
3361 pa_device_port *port;
3362 pa_alsa_port_data *data;
3363
3364 port = pa_device_port_new(s->name, s->description, sizeof(pa_alsa_port_data));
3365 port->priority = s->priority;
3366
3367 data = PA_DEVICE_PORT_DATA(port);
3368 data->path = ps->paths;
3369 data->setting = s;
3370
3371 pa_hashmap_put(*p, port->name, port);
3372 }
3373
3374 } else {
3375
3376 /* We have multiple paths, so let's create a port for each
3377 * one, and each of each settings */
3378 *p = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
3379
3380 PA_LLIST_FOREACH(path, ps->paths) {
3381
3382 if (!path->settings || !path->settings->next) {
3383 pa_device_port *port;
3384 pa_alsa_port_data *data;
3385
3386 /* If there is no or just one setting we only need a
3387 * single entry */
3388
3389 port = pa_device_port_new(path->name, path->description, sizeof(pa_alsa_port_data));
3390 port->priority = path->priority * 100;
3391
3392
3393 data = PA_DEVICE_PORT_DATA(port);
3394 data->path = path;
3395 data->setting = path->settings;
3396
3397 pa_hashmap_put(*p, port->name, port);
3398 } else {
3399 pa_alsa_setting *s;
3400
3401 PA_LLIST_FOREACH(s, path->settings) {
3402 pa_device_port *port;
3403 pa_alsa_port_data *data;
3404 char *n, *d;
3405
3406 n = pa_sprintf_malloc("%s;%s", path->name, s->name);
3407
3408 if (s->description[0])
3409 d = pa_sprintf_malloc(_("%s / %s"), path->description, s->description);
3410 else
3411 d = pa_xstrdup(path->description);
3412
3413 port = pa_device_port_new(n, d, sizeof(pa_alsa_port_data));
3414 port->priority = path->priority * 100 + s->priority;
3415
3416 pa_xfree(n);
3417 pa_xfree(d);
3418
3419 data = PA_DEVICE_PORT_DATA(port);
3420 data->path = path;
3421 data->setting = s;
3422
3423 pa_hashmap_put(*p, port->name, port);
3424 }
3425 }
3426 }
3427 }
3428
3429 pa_log_debug("Added %u ports", pa_hashmap_size(*p));
3430 }
ALAC Integration into pulseaudio RAOP module