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bluetooth: handle Acquire API change
[pulseaudio] / src / modules / bluetooth / bluetooth-util.c
1 /***
2 This file is part of PulseAudio.
3
4 Copyright 2008-2009 Joao Paulo Rechi Vita
5
6 PulseAudio is free software; you can redistribute it and/or modify
7 it under the terms of the GNU Lesser General Public License as
8 published by the Free Software Foundation; either version 2.1 of the
9 License, or (at your option) any later version.
10
11 PulseAudio is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public
17 License along with PulseAudio; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
19 USA.
20 ***/
21
22 #ifdef HAVE_CONFIG_H
23 #include <config.h>
24 #endif
25
26 #include <pulsecore/core-util.h>
27 #include <pulsecore/shared.h>
28 #include <pulsecore/dbus-shared.h>
29
30 #include "bluetooth-util.h"
31 #include "ipc.h"
32
33 #define HFP_AG_ENDPOINT "/MediaEndpoint/HFPAG"
34 #define A2DP_SOURCE_ENDPOINT "/MediaEndpoint/A2DPSource"
35 #define A2DP_SINK_ENDPOINT "/MediaEndpoint/A2DPSink"
36
37 #define ENDPOINT_INTROSPECT_XML \
38 DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
39 "<node>" \
40 " <interface name=\"org.bluez.MediaEndpoint\">" \
41 " <method name=\"SetConfiguration\">" \
42 " <arg name=\"transport\" direction=\"in\" type=\"o\"/>" \
43 " <arg name=\"configuration\" direction=\"in\" type=\"ay\"/>" \
44 " </method>" \
45 " <method name=\"SelectConfiguration\">" \
46 " <arg name=\"capabilities\" direction=\"in\" type=\"ay\"/>" \
47 " <arg name=\"configuration\" direction=\"out\" type=\"ay\"/>" \
48 " </method>" \
49 " <method name=\"ClearConfiguration\">" \
50 " </method>" \
51 " <method name=\"Release\">" \
52 " </method>" \
53 " </interface>" \
54 " <interface name=\"org.freedesktop.DBus.Introspectable\">" \
55 " <method name=\"Introspect\">" \
56 " <arg name=\"data\" type=\"s\" direction=\"out\"/>" \
57 " </method>" \
58 " </interface>" \
59 "</node>"
60
61 #define MAX_BITPOOL 64
62 #define MIN_BITPOOL 2U
63
64 struct pa_bluetooth_discovery {
65 PA_REFCNT_DECLARE;
66
67 pa_core *core;
68 pa_dbus_connection *connection;
69 PA_LLIST_HEAD(pa_dbus_pending, pending);
70 pa_hashmap *devices;
71 pa_hook hook;
72 pa_bool_t filter_added;
73 };
74
75 static void get_properties_reply(DBusPendingCall *pending, void *userdata);
76 static pa_dbus_pending* send_and_add_to_pending(pa_bluetooth_discovery *y, pa_bluetooth_device *d, DBusMessage *m, DBusPendingCallNotifyFunction func);
77
78 static pa_bt_audio_state_t pa_bt_audio_state_from_string(const char* value) {
79 pa_assert(value);
80
81 if (pa_streq(value, "disconnected"))
82 return PA_BT_AUDIO_STATE_DISCONNECTED;
83 else if (pa_streq(value, "connecting"))
84 return PA_BT_AUDIO_STATE_CONNECTING;
85 else if (pa_streq(value, "connected"))
86 return PA_BT_AUDIO_STATE_CONNECTED;
87 else if (pa_streq(value, "playing"))
88 return PA_BT_AUDIO_STATE_PLAYING;
89
90 return PA_BT_AUDIO_STATE_INVALID;
91 }
92
93 static pa_bluetooth_uuid *uuid_new(const char *uuid) {
94 pa_bluetooth_uuid *u;
95
96 u = pa_xnew(pa_bluetooth_uuid, 1);
97 u->uuid = pa_xstrdup(uuid);
98 PA_LLIST_INIT(pa_bluetooth_uuid, u);
99
100 return u;
101 }
102
103 static void uuid_free(pa_bluetooth_uuid *u) {
104 pa_assert(u);
105
106 pa_xfree(u->uuid);
107 pa_xfree(u);
108 }
109
110 static pa_bluetooth_device* device_new(const char *path) {
111 pa_bluetooth_device *d;
112
113 d = pa_xnew(pa_bluetooth_device, 1);
114
115 d->dead = FALSE;
116
117 d->device_info_valid = 0;
118
119 d->name = NULL;
120 d->path = pa_xstrdup(path);
121 d->transports = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
122 d->paired = -1;
123 d->alias = NULL;
124 d->device_connected = -1;
125 PA_LLIST_HEAD_INIT(pa_bluetooth_uuid, d->uuids);
126 d->address = NULL;
127 d->class = -1;
128 d->trusted = -1;
129
130 d->audio_state = PA_BT_AUDIO_STATE_INVALID;
131 d->audio_sink_state = PA_BT_AUDIO_STATE_INVALID;
132 d->audio_source_state = PA_BT_AUDIO_STATE_INVALID;
133 d->headset_state = PA_BT_AUDIO_STATE_INVALID;
134 d->hfgw_state = PA_BT_AUDIO_STATE_INVALID;
135
136 return d;
137 }
138
139 static void transport_free(pa_bluetooth_transport *t) {
140 pa_assert(t);
141
142 pa_xfree(t->path);
143 pa_xfree(t->config);
144 pa_xfree(t);
145 }
146
147 static void device_free(pa_bluetooth_device *d) {
148 pa_bluetooth_uuid *u;
149 pa_bluetooth_transport *t;
150
151 pa_assert(d);
152
153 while ((t = pa_hashmap_steal_first(d->transports)))
154 transport_free(t);
155
156 pa_hashmap_free(d->transports, NULL, NULL);
157
158 while ((u = d->uuids)) {
159 PA_LLIST_REMOVE(pa_bluetooth_uuid, d->uuids, u);
160 uuid_free(u);
161 }
162
163 pa_xfree(d->name);
164 pa_xfree(d->path);
165 pa_xfree(d->alias);
166 pa_xfree(d->address);
167 pa_xfree(d);
168 }
169
170 static pa_bool_t device_is_audio(pa_bluetooth_device *d) {
171 pa_assert(d);
172
173 return
174 d->device_info_valid && (d->hfgw_state != PA_BT_AUDIO_STATE_INVALID ||
175 (d->audio_state != PA_BT_AUDIO_STATE_INVALID &&
176 (d->audio_sink_state != PA_BT_AUDIO_STATE_INVALID ||
177 d->audio_source_state != PA_BT_AUDIO_STATE_INVALID ||
178 d->headset_state != PA_BT_AUDIO_STATE_INVALID)));
179 }
180
181 static int parse_device_property(pa_bluetooth_discovery *y, pa_bluetooth_device *d, DBusMessageIter *i) {
182 const char *key;
183 DBusMessageIter variant_i;
184
185 pa_assert(y);
186 pa_assert(d);
187 pa_assert(i);
188
189 if (dbus_message_iter_get_arg_type(i) != DBUS_TYPE_STRING) {
190 pa_log("Property name not a string.");
191 return -1;
192 }
193
194 dbus_message_iter_get_basic(i, &key);
195
196 if (!dbus_message_iter_next(i)) {
197 pa_log("Property value missing");
198 return -1;
199 }
200
201 if (dbus_message_iter_get_arg_type(i) != DBUS_TYPE_VARIANT) {
202 pa_log("Property value not a variant.");
203 return -1;
204 }
205
206 dbus_message_iter_recurse(i, &variant_i);
207
208 /* pa_log_debug("Parsing property org.bluez.Device.%s", key); */
209
210 switch (dbus_message_iter_get_arg_type(&variant_i)) {
211
212 case DBUS_TYPE_STRING: {
213
214 const char *value;
215 dbus_message_iter_get_basic(&variant_i, &value);
216
217 if (pa_streq(key, "Name")) {
218 pa_xfree(d->name);
219 d->name = pa_xstrdup(value);
220 } else if (pa_streq(key, "Alias")) {
221 pa_xfree(d->alias);
222 d->alias = pa_xstrdup(value);
223 } else if (pa_streq(key, "Address")) {
224 pa_xfree(d->address);
225 d->address = pa_xstrdup(value);
226 }
227
228 /* pa_log_debug("Value %s", value); */
229
230 break;
231 }
232
233 case DBUS_TYPE_BOOLEAN: {
234
235 dbus_bool_t value;
236 dbus_message_iter_get_basic(&variant_i, &value);
237
238 if (pa_streq(key, "Paired"))
239 d->paired = !!value;
240 else if (pa_streq(key, "Connected"))
241 d->device_connected = !!value;
242 else if (pa_streq(key, "Trusted"))
243 d->trusted = !!value;
244
245 /* pa_log_debug("Value %s", pa_yes_no(value)); */
246
247 break;
248 }
249
250 case DBUS_TYPE_UINT32: {
251
252 uint32_t value;
253 dbus_message_iter_get_basic(&variant_i, &value);
254
255 if (pa_streq(key, "Class"))
256 d->class = (int) value;
257
258 /* pa_log_debug("Value %u", (unsigned) value); */
259
260 break;
261 }
262
263 case DBUS_TYPE_ARRAY: {
264
265 DBusMessageIter ai;
266 dbus_message_iter_recurse(&variant_i, &ai);
267
268 if (dbus_message_iter_get_arg_type(&ai) == DBUS_TYPE_STRING &&
269 pa_streq(key, "UUIDs")) {
270
271 while (dbus_message_iter_get_arg_type(&ai) != DBUS_TYPE_INVALID) {
272 pa_bluetooth_uuid *node;
273 const char *value;
274 DBusMessage *m;
275
276 dbus_message_iter_get_basic(&ai, &value);
277 node = uuid_new(value);
278 PA_LLIST_PREPEND(pa_bluetooth_uuid, d->uuids, node);
279
280 /* Vudentz said the interfaces are here when the UUIDs are announced */
281 if (strcasecmp(HSP_AG_UUID, value) == 0 || strcasecmp(HFP_AG_UUID, value) == 0) {
282 pa_assert_se(m = dbus_message_new_method_call("org.bluez", d->path, "org.bluez.HandsfreeGateway", "GetProperties"));
283 send_and_add_to_pending(y, d, m, get_properties_reply);
284 } else if (strcasecmp(HSP_HS_UUID, value) == 0 || strcasecmp(HFP_HS_UUID, value) == 0) {
285 pa_assert_se(m = dbus_message_new_method_call("org.bluez", d->path, "org.bluez.Headset", "GetProperties"));
286 send_and_add_to_pending(y, d, m, get_properties_reply);
287 } else if (strcasecmp(A2DP_SINK_UUID, value) == 0) {
288 pa_assert_se(m = dbus_message_new_method_call("org.bluez", d->path, "org.bluez.AudioSink", "GetProperties"));
289 send_and_add_to_pending(y, d, m, get_properties_reply);
290 } else if (strcasecmp(A2DP_SOURCE_UUID, value) == 0) {
291 pa_assert_se(m = dbus_message_new_method_call("org.bluez", d->path, "org.bluez.AudioSource", "GetProperties"));
292 send_and_add_to_pending(y, d, m, get_properties_reply);
293 }
294
295 /* this might eventually be racy if .Audio is not there yet, but the State change will come anyway later, so this call is for cold-detection mostly */
296 pa_assert_se(m = dbus_message_new_method_call("org.bluez", d->path, "org.bluez.Audio", "GetProperties"));
297 send_and_add_to_pending(y, d, m, get_properties_reply);
298
299 if (!dbus_message_iter_next(&ai))
300 break;
301 }
302 }
303
304 break;
305 }
306 }
307
308 return 0;
309 }
310
311 static int parse_audio_property(pa_bluetooth_discovery *u, int *state, DBusMessageIter *i) {
312 const char *key;
313 DBusMessageIter variant_i;
314
315 pa_assert(u);
316 pa_assert(state);
317 pa_assert(i);
318
319 if (dbus_message_iter_get_arg_type(i) != DBUS_TYPE_STRING) {
320 pa_log("Property name not a string.");
321 return -1;
322 }
323
324 dbus_message_iter_get_basic(i, &key);
325
326 if (!dbus_message_iter_next(i)) {
327 pa_log("Property value missing");
328 return -1;
329 }
330
331 if (dbus_message_iter_get_arg_type(i) != DBUS_TYPE_VARIANT) {
332 pa_log("Property value not a variant.");
333 return -1;
334 }
335
336 dbus_message_iter_recurse(i, &variant_i);
337
338 /* pa_log_debug("Parsing property org.bluez.{Audio|AudioSink|AudioSource|Headset}.%s", key); */
339
340 switch (dbus_message_iter_get_arg_type(&variant_i)) {
341
342 case DBUS_TYPE_STRING: {
343
344 const char *value;
345 dbus_message_iter_get_basic(&variant_i, &value);
346
347 if (pa_streq(key, "State")) {
348 *state = pa_bt_audio_state_from_string(value);
349 pa_log_debug("dbus: property 'State' changed to value '%s'", value);
350 }
351
352 break;
353 }
354 }
355
356 return 0;
357 }
358
359 static void run_callback(pa_bluetooth_discovery *y, pa_bluetooth_device *d, pa_bool_t dead) {
360 pa_assert(y);
361 pa_assert(d);
362
363 if (!device_is_audio(d))
364 return;
365
366 d->dead = dead;
367 pa_hook_fire(&y->hook, d);
368 }
369
370 static void remove_all_devices(pa_bluetooth_discovery *y) {
371 pa_bluetooth_device *d;
372
373 pa_assert(y);
374
375 while ((d = pa_hashmap_steal_first(y->devices))) {
376 run_callback(y, d, TRUE);
377 device_free(d);
378 }
379 }
380
381 static pa_bluetooth_device *found_device(pa_bluetooth_discovery *y, const char* path) {
382 DBusMessage *m;
383 pa_bluetooth_device *d;
384
385 pa_assert(y);
386 pa_assert(path);
387
388 d = pa_hashmap_get(y->devices, path);
389 if (d)
390 return d;
391
392 d = device_new(path);
393
394 pa_hashmap_put(y->devices, d->path, d);
395
396 pa_assert_se(m = dbus_message_new_method_call("org.bluez", path, "org.bluez.Device", "GetProperties"));
397 send_and_add_to_pending(y, d, m, get_properties_reply);
398
399 /* Before we read the other properties (Audio, AudioSink, AudioSource,
400 * Headset) we wait that the UUID is read */
401 return d;
402 }
403
404 static void get_properties_reply(DBusPendingCall *pending, void *userdata) {
405 DBusMessage *r;
406 DBusMessageIter arg_i, element_i;
407 pa_dbus_pending *p;
408 pa_bluetooth_device *d;
409 pa_bluetooth_discovery *y;
410 int valid;
411
412 pa_assert_se(p = userdata);
413 pa_assert_se(y = p->context_data);
414 pa_assert_se(r = dbus_pending_call_steal_reply(pending));
415
416 /* pa_log_debug("Got %s.GetProperties response for %s", */
417 /* dbus_message_get_interface(p->message), */
418 /* dbus_message_get_path(p->message)); */
419
420 /* We don't use p->call_data here right-away since the device
421 * might already be invalidated at this point */
422
423 if (!(d = pa_hashmap_get(y->devices, dbus_message_get_path(p->message))))
424 return;
425
426 pa_assert(p->call_data == d);
427
428 valid = dbus_message_get_type(r) == DBUS_MESSAGE_TYPE_ERROR ? -1 : 1;
429
430 if (dbus_message_is_method_call(p->message, "org.bluez.Device", "GetProperties"))
431 d->device_info_valid = valid;
432
433 if (dbus_message_is_error(r, DBUS_ERROR_SERVICE_UNKNOWN)) {
434 pa_log_debug("Bluetooth daemon is apparently not available.");
435 remove_all_devices(y);
436 goto finish2;
437 }
438
439 if (dbus_message_get_type(r) == DBUS_MESSAGE_TYPE_ERROR) {
440
441 if (!dbus_message_is_error(r, DBUS_ERROR_UNKNOWN_METHOD))
442 pa_log("Error from GetProperties reply: %s", dbus_message_get_error_name(r));
443
444 goto finish;
445 }
446
447 if (!dbus_message_iter_init(r, &arg_i)) {
448 pa_log("GetProperties reply has no arguments.");
449 goto finish;
450 }
451
452 if (dbus_message_iter_get_arg_type(&arg_i) != DBUS_TYPE_ARRAY) {
453 pa_log("GetProperties argument is not an array.");
454 goto finish;
455 }
456
457 dbus_message_iter_recurse(&arg_i, &element_i);
458 while (dbus_message_iter_get_arg_type(&element_i) != DBUS_TYPE_INVALID) {
459
460 if (dbus_message_iter_get_arg_type(&element_i) == DBUS_TYPE_DICT_ENTRY) {
461 DBusMessageIter dict_i;
462
463 dbus_message_iter_recurse(&element_i, &dict_i);
464
465 if (dbus_message_has_interface(p->message, "org.bluez.Device")) {
466 if (parse_device_property(y, d, &dict_i) < 0)
467 goto finish;
468
469 } else if (dbus_message_has_interface(p->message, "org.bluez.Audio")) {
470 if (parse_audio_property(y, &d->audio_state, &dict_i) < 0)
471 goto finish;
472
473 } else if (dbus_message_has_interface(p->message, "org.bluez.Headset")) {
474 if (parse_audio_property(y, &d->headset_state, &dict_i) < 0)
475 goto finish;
476
477 } else if (dbus_message_has_interface(p->message, "org.bluez.AudioSink")) {
478 if (parse_audio_property(y, &d->audio_sink_state, &dict_i) < 0)
479 goto finish;
480
481 } else if (dbus_message_has_interface(p->message, "org.bluez.AudioSource")) {
482 if (parse_audio_property(y, &d->audio_source_state, &dict_i) < 0)
483 goto finish;
484
485 } else if (dbus_message_has_interface(p->message, "org.bluez.HandsfreeGateway")) {
486 if (parse_audio_property(y, &d->hfgw_state, &arg_i) < 0)
487 goto finish;
488
489 }
490 }
491
492 if (!dbus_message_iter_next(&element_i))
493 break;
494 }
495
496 finish:
497 run_callback(y, d, FALSE);
498
499 finish2:
500 dbus_message_unref(r);
501
502 PA_LLIST_REMOVE(pa_dbus_pending, y->pending, p);
503 pa_dbus_pending_free(p);
504 }
505
506 static pa_dbus_pending* send_and_add_to_pending(pa_bluetooth_discovery *y, pa_bluetooth_device *d, DBusMessage *m, DBusPendingCallNotifyFunction func) {
507 pa_dbus_pending *p;
508 DBusPendingCall *call;
509
510 pa_assert(y);
511 pa_assert(m);
512
513 pa_assert_se(dbus_connection_send_with_reply(pa_dbus_connection_get(y->connection), m, &call, -1));
514
515 p = pa_dbus_pending_new(pa_dbus_connection_get(y->connection), m, call, y, d);
516 PA_LLIST_PREPEND(pa_dbus_pending, y->pending, p);
517 dbus_pending_call_set_notify(call, func, p, NULL);
518
519 return p;
520 }
521
522 static void register_endpoint_reply(DBusPendingCall *pending, void *userdata) {
523 DBusError e;
524 DBusMessage *r;
525 pa_dbus_pending *p;
526 pa_bluetooth_discovery *y;
527
528 pa_assert(pending);
529
530 dbus_error_init(&e);
531
532 pa_assert_se(p = userdata);
533 pa_assert_se(y = p->context_data);
534 pa_assert_se(r = dbus_pending_call_steal_reply(pending));
535
536 if (dbus_message_is_error(r, DBUS_ERROR_SERVICE_UNKNOWN)) {
537 pa_log_debug("Bluetooth daemon is apparently not available.");
538 remove_all_devices(y);
539 goto finish;
540 }
541
542 if (dbus_message_get_type(r) == DBUS_MESSAGE_TYPE_ERROR) {
543 pa_log("Error from RegisterEndpoint reply: %s", dbus_message_get_error_name(r));
544 goto finish;
545 }
546
547 finish:
548 dbus_message_unref(r);
549
550 PA_LLIST_REMOVE(pa_dbus_pending, y->pending, p);
551 pa_dbus_pending_free(p);
552 }
553
554 static void list_devices_reply(DBusPendingCall *pending, void *userdata) {
555 DBusError e;
556 DBusMessage *r;
557 char **paths = NULL;
558 int num = -1;
559 pa_dbus_pending *p;
560 pa_bluetooth_discovery *y;
561
562 pa_assert(pending);
563
564 dbus_error_init(&e);
565
566 pa_assert_se(p = userdata);
567 pa_assert_se(y = p->context_data);
568 pa_assert_se(r = dbus_pending_call_steal_reply(pending));
569
570 if (dbus_message_is_error(r, DBUS_ERROR_SERVICE_UNKNOWN)) {
571 pa_log_debug("Bluetooth daemon is apparently not available.");
572 remove_all_devices(y);
573 goto finish;
574 }
575
576 if (dbus_message_get_type(r) == DBUS_MESSAGE_TYPE_ERROR) {
577 pa_log("Error from ListDevices reply: %s", dbus_message_get_error_name(r));
578 goto finish;
579 }
580
581 if (!dbus_message_get_args(r, &e, DBUS_TYPE_ARRAY, DBUS_TYPE_OBJECT_PATH, &paths, &num, DBUS_TYPE_INVALID)) {
582 pa_log("org.bluez.Adapter.ListDevices returned an error: '%s'\n", e.message);
583 dbus_error_free(&e);
584 } else {
585 int i;
586
587 for (i = 0; i < num; ++i)
588 found_device(y, paths[i]);
589 }
590
591 finish:
592 if (paths)
593 dbus_free_string_array(paths);
594
595 dbus_message_unref(r);
596
597 PA_LLIST_REMOVE(pa_dbus_pending, y->pending, p);
598 pa_dbus_pending_free(p);
599 }
600
601 static void register_endpoint(pa_bluetooth_discovery *y, const char *path, const char *endpoint, const char *uuid) {
602 DBusMessage *m;
603 DBusMessageIter i, d;
604 uint8_t codec = 0;
605
606 pa_log_debug("Registering %s on adapter %s.", endpoint, path);
607
608 pa_assert_se(m = dbus_message_new_method_call("org.bluez", path, "org.bluez.Media", "RegisterEndpoint"));
609
610 dbus_message_iter_init_append(m, &i);
611
612 dbus_message_iter_append_basic(&i, DBUS_TYPE_OBJECT_PATH, &endpoint);
613
614 dbus_message_iter_open_container(&i, DBUS_TYPE_ARRAY, DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
615 DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING DBUS_DICT_ENTRY_END_CHAR_AS_STRING,
616 &d);
617
618 pa_dbus_append_basic_variant_dict_entry(&d, "UUID", DBUS_TYPE_STRING, &uuid);
619
620 pa_dbus_append_basic_variant_dict_entry(&d, "Codec", DBUS_TYPE_BYTE, &codec);
621
622 if (pa_streq(uuid, HFP_AG_UUID)) {
623 uint8_t capability = 0;
624 uint8_t *caps = &capability;
625 pa_dbus_append_basic_array_variant_dict_entry(&d, "Capabilities", DBUS_TYPE_BYTE, &caps, 1);
626 } else {
627 sbc_capabilities_raw_t capabilities;
628 uint8_t *caps = (uint8_t *) &capabilities;
629
630 capabilities.channel_mode = BT_A2DP_CHANNEL_MODE_MONO | BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL |
631 BT_A2DP_CHANNEL_MODE_STEREO | BT_A2DP_CHANNEL_MODE_JOINT_STEREO;
632 capabilities.frequency = BT_SBC_SAMPLING_FREQ_16000 | BT_SBC_SAMPLING_FREQ_32000 |
633 BT_SBC_SAMPLING_FREQ_44100 | BT_SBC_SAMPLING_FREQ_48000;
634 capabilities.allocation_method = BT_A2DP_ALLOCATION_SNR | BT_A2DP_ALLOCATION_LOUDNESS;
635 capabilities.subbands = BT_A2DP_SUBBANDS_4 | BT_A2DP_SUBBANDS_8;
636 capabilities.block_length = BT_A2DP_BLOCK_LENGTH_4 | BT_A2DP_BLOCK_LENGTH_8 |
637 BT_A2DP_BLOCK_LENGTH_12 | BT_A2DP_BLOCK_LENGTH_16;
638 capabilities.min_bitpool = MIN_BITPOOL;
639 capabilities.max_bitpool = MAX_BITPOOL;
640
641 pa_dbus_append_basic_array_variant_dict_entry(&d, "Capabilities", DBUS_TYPE_BYTE, &caps, sizeof(capabilities));
642 }
643
644 dbus_message_iter_close_container(&i, &d);
645
646 send_and_add_to_pending(y, NULL, m, register_endpoint_reply);
647 }
648
649 static void found_adapter(pa_bluetooth_discovery *y, const char *path) {
650 DBusMessage *m;
651
652 pa_assert_se(m = dbus_message_new_method_call("org.bluez", path, "org.bluez.Adapter", "ListDevices"));
653 send_and_add_to_pending(y, NULL, m, list_devices_reply);
654
655 #ifdef DBUS_TYPE_UNIX_FD
656 register_endpoint(y, path, HFP_AG_ENDPOINT, HFP_AG_UUID);
657 register_endpoint(y, path, A2DP_SOURCE_ENDPOINT, A2DP_SOURCE_UUID);
658 register_endpoint(y, path, A2DP_SINK_ENDPOINT, A2DP_SINK_UUID);
659 #endif
660 }
661
662 static void list_adapters_reply(DBusPendingCall *pending, void *userdata) {
663 DBusError e;
664 DBusMessage *r;
665 char **paths = NULL;
666 int num = -1;
667 pa_dbus_pending *p;
668 pa_bluetooth_discovery *y;
669
670 pa_assert(pending);
671
672 dbus_error_init(&e);
673
674 pa_assert_se(p = userdata);
675 pa_assert_se(y = p->context_data);
676 pa_assert_se(r = dbus_pending_call_steal_reply(pending));
677
678 if (dbus_message_is_error(r, DBUS_ERROR_SERVICE_UNKNOWN)) {
679 pa_log_debug("Bluetooth daemon is apparently not available.");
680 remove_all_devices(y);
681 goto finish;
682 }
683
684 if (dbus_message_get_type(r) == DBUS_MESSAGE_TYPE_ERROR) {
685 pa_log("Error from ListAdapters reply: %s", dbus_message_get_error_name(r));
686 goto finish;
687 }
688
689 if (!dbus_message_get_args(r, &e, DBUS_TYPE_ARRAY, DBUS_TYPE_OBJECT_PATH, &paths, &num, DBUS_TYPE_INVALID)) {
690 pa_log("org.bluez.Manager.ListAdapters returned an error: %s", e.message);
691 dbus_error_free(&e);
692 } else {
693 int i;
694
695 for (i = 0; i < num; ++i)
696 found_adapter(y, paths[i]);
697 }
698
699 finish:
700 if (paths)
701 dbus_free_string_array(paths);
702
703 dbus_message_unref(r);
704
705 PA_LLIST_REMOVE(pa_dbus_pending, y->pending, p);
706 pa_dbus_pending_free(p);
707 }
708
709 static void list_adapters(pa_bluetooth_discovery *y) {
710 DBusMessage *m;
711 pa_assert(y);
712
713 pa_assert_se(m = dbus_message_new_method_call("org.bluez", "/", "org.bluez.Manager", "ListAdapters"));
714 send_and_add_to_pending(y, NULL, m, list_adapters_reply);
715 }
716
717 static DBusHandlerResult filter_cb(DBusConnection *bus, DBusMessage *m, void *userdata) {
718 DBusError err;
719 pa_bluetooth_discovery *y;
720
721 pa_assert(bus);
722 pa_assert(m);
723
724 pa_assert_se(y = userdata);
725
726 dbus_error_init(&err);
727
728 pa_log_debug("dbus: interface=%s, path=%s, member=%s\n",
729 dbus_message_get_interface(m),
730 dbus_message_get_path(m),
731 dbus_message_get_member(m));
732
733 if (dbus_message_is_signal(m, "org.bluez.Adapter", "DeviceRemoved")) {
734 const char *path;
735 pa_bluetooth_device *d;
736
737 if (!dbus_message_get_args(m, &err, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID)) {
738 pa_log("Failed to parse org.bluez.Adapter.DeviceRemoved: %s", err.message);
739 goto fail;
740 }
741
742 pa_log_debug("Device %s removed", path);
743
744 if ((d = pa_hashmap_remove(y->devices, path))) {
745 run_callback(y, d, TRUE);
746 device_free(d);
747 }
748
749 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
750
751 } else if (dbus_message_is_signal(m, "org.bluez.Adapter", "DeviceCreated")) {
752 const char *path;
753
754 if (!dbus_message_get_args(m, &err, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID)) {
755 pa_log("Failed to parse org.bluez.Adapter.DeviceCreated: %s", err.message);
756 goto fail;
757 }
758
759 pa_log_debug("Device %s created", path);
760
761 found_device(y, path);
762 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
763
764 } else if (dbus_message_is_signal(m, "org.bluez.Manager", "AdapterAdded")) {
765 const char *path;
766
767 if (!dbus_message_get_args(m, &err, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID)) {
768 pa_log("Failed to parse org.bluez.Manager.AdapterAdded: %s", err.message);
769 goto fail;
770 }
771
772 pa_log_debug("Adapter %s created", path);
773
774 found_adapter(y, path);
775 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
776
777 } else if (dbus_message_is_signal(m, "org.bluez.Audio", "PropertyChanged") ||
778 dbus_message_is_signal(m, "org.bluez.Headset", "PropertyChanged") ||
779 dbus_message_is_signal(m, "org.bluez.AudioSink", "PropertyChanged") ||
780 dbus_message_is_signal(m, "org.bluez.AudioSource", "PropertyChanged") ||
781 dbus_message_is_signal(m, "org.bluez.HandsfreeGateway", "PropertyChanged") ||
782 dbus_message_is_signal(m, "org.bluez.Device", "PropertyChanged")) {
783
784 pa_bluetooth_device *d;
785
786 if ((d = pa_hashmap_get(y->devices, dbus_message_get_path(m)))) {
787 DBusMessageIter arg_i;
788
789 if (!dbus_message_iter_init(m, &arg_i)) {
790 pa_log("Failed to parse PropertyChanged: %s", err.message);
791 goto fail;
792 }
793
794 if (dbus_message_has_interface(m, "org.bluez.Device")) {
795 if (parse_device_property(y, d, &arg_i) < 0)
796 goto fail;
797
798 } else if (dbus_message_has_interface(m, "org.bluez.Audio")) {
799 if (parse_audio_property(y, &d->audio_state, &arg_i) < 0)
800 goto fail;
801
802 } else if (dbus_message_has_interface(m, "org.bluez.Headset")) {
803 if (parse_audio_property(y, &d->headset_state, &arg_i) < 0)
804 goto fail;
805
806 } else if (dbus_message_has_interface(m, "org.bluez.AudioSink")) {
807 if (parse_audio_property(y, &d->audio_sink_state, &arg_i) < 0)
808 goto fail;
809
810 } else if (dbus_message_has_interface(m, "org.bluez.AudioSource")) {
811 if (parse_audio_property(y, &d->audio_source_state, &arg_i) < 0)
812 goto fail;
813
814 } else if (dbus_message_has_interface(m, "org.bluez.HandsfreeGateway")) {
815 if (parse_audio_property(y, &d->hfgw_state, &arg_i) < 0)
816 goto fail;
817 }
818
819 run_callback(y, d, FALSE);
820 }
821
822 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
823
824 } else if (dbus_message_is_signal(m, "org.bluez.Device", "DisconnectRequested")) {
825 pa_bluetooth_device *d;
826
827 if ((d = pa_hashmap_get(y->devices, dbus_message_get_path(m)))) {
828 /* Device will disconnect in 2 sec */
829 d->audio_state = PA_BT_AUDIO_STATE_DISCONNECTED;
830 d->audio_sink_state = PA_BT_AUDIO_STATE_DISCONNECTED;
831 d->audio_source_state = PA_BT_AUDIO_STATE_DISCONNECTED;
832 d->headset_state = PA_BT_AUDIO_STATE_DISCONNECTED;
833 d->hfgw_state = PA_BT_AUDIO_STATE_DISCONNECTED;
834
835 run_callback(y, d, FALSE);
836 }
837
838 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
839
840 } else if (dbus_message_is_signal(m, "org.freedesktop.DBus", "NameOwnerChanged")) {
841 const char *name, *old_owner, *new_owner;
842
843 if (!dbus_message_get_args(m, &err,
844 DBUS_TYPE_STRING, &name,
845 DBUS_TYPE_STRING, &old_owner,
846 DBUS_TYPE_STRING, &new_owner,
847 DBUS_TYPE_INVALID)) {
848 pa_log("Failed to parse org.freedesktop.DBus.NameOwnerChanged: %s", err.message);
849 goto fail;
850 }
851
852 if (pa_streq(name, "org.bluez")) {
853 if (old_owner && *old_owner) {
854 pa_log_debug("Bluetooth daemon disappeared.");
855 remove_all_devices(y);
856 }
857
858 if (new_owner && *new_owner) {
859 pa_log_debug("Bluetooth daemon appeared.");
860 list_adapters(y);
861 }
862 }
863
864 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
865 }
866
867 fail:
868 dbus_error_free(&err);
869
870 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
871 }
872
873 const pa_bluetooth_device* pa_bluetooth_discovery_get_by_address(pa_bluetooth_discovery *y, const char* address) {
874 pa_bluetooth_device *d;
875 void *state = NULL;
876
877 pa_assert(y);
878 pa_assert(PA_REFCNT_VALUE(y) > 0);
879 pa_assert(address);
880
881 if (!pa_hook_is_firing(&y->hook))
882 pa_bluetooth_discovery_sync(y);
883
884 while ((d = pa_hashmap_iterate(y->devices, &state, NULL)))
885 if (pa_streq(d->address, address))
886 return device_is_audio(d) ? d : NULL;
887
888 return NULL;
889 }
890
891 const pa_bluetooth_device* pa_bluetooth_discovery_get_by_path(pa_bluetooth_discovery *y, const char* path) {
892 pa_bluetooth_device *d;
893
894 pa_assert(y);
895 pa_assert(PA_REFCNT_VALUE(y) > 0);
896 pa_assert(path);
897
898 if (!pa_hook_is_firing(&y->hook))
899 pa_bluetooth_discovery_sync(y);
900
901 if ((d = pa_hashmap_get(y->devices, path)))
902 if (device_is_audio(d))
903 return d;
904
905 return NULL;
906 }
907
908 const pa_bluetooth_transport* pa_bluetooth_discovery_get_transport(pa_bluetooth_discovery *y, const char *path) {
909 pa_bluetooth_device *d;
910 pa_bluetooth_transport *t;
911 void *state = NULL;
912
913 pa_assert(y);
914 pa_assert(PA_REFCNT_VALUE(y) > 0);
915 pa_assert(path);
916
917 while ((d = pa_hashmap_iterate(y->devices, &state, NULL)))
918 if ((t = pa_hashmap_get(d->transports, path)))
919 return t;
920
921 return NULL;
922 }
923
924 const pa_bluetooth_transport* pa_bluetooth_device_get_transport(const pa_bluetooth_device *d, enum profile profile) {
925 pa_bluetooth_transport *t;
926 void *state = NULL;
927
928 pa_assert(d);
929
930 while ((t = pa_hashmap_iterate(d->transports, &state, NULL)))
931 if (t->profile == profile)
932 return t;
933
934 return NULL;
935 }
936
937 int pa_bluetooth_transport_acquire(const pa_bluetooth_transport *t, const char *accesstype, size_t *imtu, size_t *omtu) {
938 DBusMessage *m, *r;
939 DBusError err;
940 int ret;
941 uint16_t i, o;
942
943 pa_assert(t);
944 pa_assert(t->y);
945
946 dbus_error_init(&err);
947
948 pa_assert_se(m = dbus_message_new_method_call("org.bluez", t->path, "org.bluez.MediaTransport", "Acquire"));
949 pa_assert_se(dbus_message_append_args(m, DBUS_TYPE_STRING, &accesstype, DBUS_TYPE_INVALID));
950 r = dbus_connection_send_with_reply_and_block(pa_dbus_connection_get(t->y->connection), m, -1, &err);
951
952 if (dbus_error_is_set(&err) || !r) {
953 pa_log("Failed to acquire transport fd: %s", err.message);
954 dbus_error_free(&err);
955 return -1;
956 }
957
958 #ifdef DBUS_TYPE_UNIX_FD
959 if (!dbus_message_get_args(r, &err, DBUS_TYPE_UNIX_FD, &ret, DBUS_TYPE_UINT16, &i, DBUS_TYPE_UINT16, &o, DBUS_TYPE_INVALID)) {
960 pa_log("Failed to parse org.bluez.MediaTransport.Acquire(): %s", err.message);
961 ret = -1;
962 dbus_error_free(&err);
963 goto fail;
964 }
965 #endif
966
967 if (imtu)
968 *imtu = i;
969
970 if (omtu)
971 *omtu = o;
972
973 fail:
974 dbus_message_unref(r);
975 return ret;
976 }
977
978 void pa_bluetooth_transport_release(const pa_bluetooth_transport *t, const char *accesstype) {
979 DBusMessage *m;
980 DBusError err;
981
982 pa_assert(t);
983 pa_assert(t->y);
984
985 dbus_error_init(&err);
986
987 pa_assert_se(m = dbus_message_new_method_call("org.bluez", t->path, "org.bluez.MediaTransport", "Release"));
988 pa_assert_se(dbus_message_append_args(m, DBUS_TYPE_STRING, &accesstype, DBUS_TYPE_INVALID));
989 dbus_connection_send_with_reply_and_block(pa_dbus_connection_get(t->y->connection), m, -1, &err);
990
991 if (dbus_error_is_set(&err)) {
992 pa_log("Failed to release transport %s: %s", t->path, err.message);
993 dbus_error_free(&err);
994 } else
995 pa_log_info("Transport %s released", t->path);
996 }
997
998 static int setup_dbus(pa_bluetooth_discovery *y) {
999 DBusError err;
1000
1001 dbus_error_init(&err);
1002
1003 y->connection = pa_dbus_bus_get(y->core, DBUS_BUS_SYSTEM, &err);
1004
1005 if (dbus_error_is_set(&err) || !y->connection) {
1006 pa_log("Failed to get D-Bus connection: %s", err.message);
1007 dbus_error_free(&err);
1008 return -1;
1009 }
1010
1011 return 0;
1012 }
1013
1014 static pa_bluetooth_transport *transport_new(pa_bluetooth_discovery *y, const char *path, enum profile p, const uint8_t *config, int size) {
1015 pa_bluetooth_transport *t;
1016
1017 t = pa_xnew0(pa_bluetooth_transport, 1);
1018 t->y = y;
1019 t->path = pa_xstrdup(path);
1020 t->profile = p;
1021 t->config_size = size;
1022
1023 if (size > 0) {
1024 t->config = pa_xnew(uint8_t, size);
1025 memcpy(t->config, config, size);
1026 }
1027
1028 return t;
1029 }
1030
1031 static DBusMessage *endpoint_set_configuration(DBusConnection *conn, DBusMessage *m, void *userdata) {
1032 pa_bluetooth_discovery *y = userdata;
1033 pa_bluetooth_device *d;
1034 pa_bluetooth_transport *t;
1035 const char *path, *dev_path = NULL, *uuid = NULL;
1036 uint8_t *config = NULL;
1037 int size = 0;
1038 enum profile p;
1039 DBusMessageIter args, props;
1040 DBusMessage *r;
1041
1042 dbus_message_iter_init(m, &args);
1043
1044 dbus_message_iter_get_basic(&args, &path);
1045 if (!dbus_message_iter_next(&args))
1046 goto fail;
1047
1048 dbus_message_iter_recurse(&args, &props);
1049 if (dbus_message_iter_get_arg_type(&props) != DBUS_TYPE_DICT_ENTRY)
1050 goto fail;
1051
1052 /* Read transport properties */
1053 while (dbus_message_iter_get_arg_type(&props) == DBUS_TYPE_DICT_ENTRY) {
1054 const char *key;
1055 DBusMessageIter value, entry;
1056 int var;
1057
1058 dbus_message_iter_recurse(&props, &entry);
1059 dbus_message_iter_get_basic(&entry, &key);
1060
1061 dbus_message_iter_next(&entry);
1062 dbus_message_iter_recurse(&entry, &value);
1063
1064 var = dbus_message_iter_get_arg_type(&value);
1065 if (strcasecmp(key, "UUID") == 0) {
1066 if (var != DBUS_TYPE_STRING)
1067 goto fail;
1068 dbus_message_iter_get_basic(&value, &uuid);
1069 } else if (strcasecmp(key, "Device") == 0) {
1070 if (var != DBUS_TYPE_OBJECT_PATH)
1071 goto fail;
1072 dbus_message_iter_get_basic(&value, &dev_path);
1073 } else if (strcasecmp(key, "Configuration") == 0) {
1074 DBusMessageIter array;
1075 if (var != DBUS_TYPE_ARRAY)
1076 goto fail;
1077 dbus_message_iter_recurse(&value, &array);
1078 dbus_message_iter_get_fixed_array(&array, &config, &size);
1079 }
1080
1081 dbus_message_iter_next(&props);
1082 }
1083
1084 d = found_device(y, dev_path);
1085 if (!d)
1086 goto fail;
1087
1088 if (dbus_message_has_path(m, HFP_AG_ENDPOINT))
1089 p = PROFILE_HSP;
1090 else if (dbus_message_has_path(m, A2DP_SOURCE_ENDPOINT))
1091 p = PROFILE_A2DP;
1092 else
1093 p = PROFILE_A2DP_SOURCE;
1094
1095 t = transport_new(y, path, p, config, size);
1096 pa_hashmap_put(d->transports, t->path, t);
1097
1098 pa_log_debug("Transport %s profile %d available", t->path, t->profile);
1099
1100 pa_assert_se(r = dbus_message_new_method_return(m));
1101
1102 return r;
1103
1104 fail:
1105 pa_log("org.bluez.MediaEndpoint.SetConfiguration: invalid arguments");
1106 pa_assert_se(r = (dbus_message_new_error(m, "org.bluez.MediaEndpoint.Error.InvalidArguments",
1107 "Unable to set configuration")));
1108 return r;
1109 }
1110
1111 static DBusMessage *endpoint_clear_configuration(DBusConnection *c, DBusMessage *m, void *userdata) {
1112 pa_bluetooth_discovery *y = userdata;
1113 pa_bluetooth_device *d;
1114 pa_bluetooth_transport *t;
1115 void *state = NULL;
1116 DBusMessage *r;
1117 DBusError e;
1118 const char *path;
1119
1120 dbus_error_init(&e);
1121
1122 if (!dbus_message_get_args(m, &e, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID)) {
1123 pa_log("org.bluez.MediaEndpoint.ClearConfiguration: %s", e.message);
1124 dbus_error_free(&e);
1125 goto fail;
1126 }
1127
1128 while ((d = pa_hashmap_iterate(y->devices, &state, NULL))) {
1129 if ((t = pa_hashmap_get(d->transports, path))) {
1130 pa_log_debug("Clearing transport %s profile %d", t->path, t->profile);
1131 pa_hashmap_remove(d->transports, t->path);
1132 transport_free(t);
1133 break;
1134 }
1135 }
1136
1137 pa_assert_se(r = dbus_message_new_method_return(m));
1138
1139 return r;
1140
1141 fail:
1142 pa_assert_se(r = (dbus_message_new_error(m, "org.bluez.MediaEndpoint.Error.InvalidArguments",
1143 "Unable to clear configuration")));
1144 return r;
1145 }
1146
1147 static uint8_t a2dp_default_bitpool(uint8_t freq, uint8_t mode) {
1148
1149 switch (freq) {
1150 case BT_SBC_SAMPLING_FREQ_16000:
1151 case BT_SBC_SAMPLING_FREQ_32000:
1152 return 53;
1153
1154 case BT_SBC_SAMPLING_FREQ_44100:
1155
1156 switch (mode) {
1157 case BT_A2DP_CHANNEL_MODE_MONO:
1158 case BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL:
1159 return 31;
1160
1161 case BT_A2DP_CHANNEL_MODE_STEREO:
1162 case BT_A2DP_CHANNEL_MODE_JOINT_STEREO:
1163 return 53;
1164
1165 default:
1166 pa_log_warn("Invalid channel mode %u", mode);
1167 return 53;
1168 }
1169
1170 case BT_SBC_SAMPLING_FREQ_48000:
1171
1172 switch (mode) {
1173 case BT_A2DP_CHANNEL_MODE_MONO:
1174 case BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL:
1175 return 29;
1176
1177 case BT_A2DP_CHANNEL_MODE_STEREO:
1178 case BT_A2DP_CHANNEL_MODE_JOINT_STEREO:
1179 return 51;
1180
1181 default:
1182 pa_log_warn("Invalid channel mode %u", mode);
1183 return 51;
1184 }
1185
1186 default:
1187 pa_log_warn("Invalid sampling freq %u", freq);
1188 return 53;
1189 }
1190 }
1191
1192 static DBusMessage *endpoint_select_configuration(DBusConnection *c, DBusMessage *m, void *userdata) {
1193 pa_bluetooth_discovery *y = userdata;
1194 sbc_capabilities_raw_t *cap, config;
1195 uint8_t *pconf = (uint8_t *) &config;
1196 int i, size;
1197 DBusMessage *r;
1198 DBusError e;
1199
1200 static const struct {
1201 uint32_t rate;
1202 uint8_t cap;
1203 } freq_table[] = {
1204 { 16000U, BT_SBC_SAMPLING_FREQ_16000 },
1205 { 32000U, BT_SBC_SAMPLING_FREQ_32000 },
1206 { 44100U, BT_SBC_SAMPLING_FREQ_44100 },
1207 { 48000U, BT_SBC_SAMPLING_FREQ_48000 }
1208 };
1209
1210 dbus_error_init(&e);
1211
1212 if (!dbus_message_get_args(m, &e, DBUS_TYPE_ARRAY, DBUS_TYPE_BYTE, &cap, &size, DBUS_TYPE_INVALID)) {
1213 pa_log("org.bluez.MediaEndpoint.SelectConfiguration: %s", e.message);
1214 dbus_error_free(&e);
1215 goto fail;
1216 }
1217
1218 if (dbus_message_has_path(m, HFP_AG_ENDPOINT))
1219 goto done;
1220
1221 pa_assert(size == sizeof(config));
1222
1223 memset(&config, 0, sizeof(config));
1224
1225 /* Find the lowest freq that is at least as high as the requested
1226 * sampling rate */
1227 for (i = 0; (unsigned) i < PA_ELEMENTSOF(freq_table); i++)
1228 if (freq_table[i].rate >= y->core->default_sample_spec.rate && (cap->frequency & freq_table[i].cap)) {
1229 config.frequency = freq_table[i].cap;
1230 break;
1231 }
1232
1233 if ((unsigned) i == PA_ELEMENTSOF(freq_table)) {
1234 for (--i; i >= 0; i--) {
1235 if (cap->frequency & freq_table[i].cap) {
1236 config.frequency = freq_table[i].cap;
1237 break;
1238 }
1239 }
1240
1241 if (i < 0) {
1242 pa_log("Not suitable sample rate");
1243 goto fail;
1244 }
1245 }
1246
1247 pa_assert((unsigned) i < PA_ELEMENTSOF(freq_table));
1248
1249 if (y->core->default_sample_spec.channels <= 1) {
1250 if (cap->channel_mode & BT_A2DP_CHANNEL_MODE_MONO)
1251 config.channel_mode = BT_A2DP_CHANNEL_MODE_MONO;
1252 }
1253
1254 if (y->core->default_sample_spec.channels >= 2) {
1255 if (cap->channel_mode & BT_A2DP_CHANNEL_MODE_JOINT_STEREO)
1256 config.channel_mode = BT_A2DP_CHANNEL_MODE_JOINT_STEREO;
1257 else if (cap->channel_mode & BT_A2DP_CHANNEL_MODE_STEREO)
1258 config.channel_mode = BT_A2DP_CHANNEL_MODE_STEREO;
1259 else if (cap->channel_mode & BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL)
1260 config.channel_mode = BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL;
1261 else if (cap->channel_mode & BT_A2DP_CHANNEL_MODE_MONO) {
1262 config.channel_mode = BT_A2DP_CHANNEL_MODE_MONO;
1263 } else {
1264 pa_log("No supported channel modes");
1265 goto fail;
1266 }
1267 }
1268
1269 if (cap->block_length & BT_A2DP_BLOCK_LENGTH_16)
1270 config.block_length = BT_A2DP_BLOCK_LENGTH_16;
1271 else if (cap->block_length & BT_A2DP_BLOCK_LENGTH_12)
1272 config.block_length = BT_A2DP_BLOCK_LENGTH_12;
1273 else if (cap->block_length & BT_A2DP_BLOCK_LENGTH_8)
1274 config.block_length = BT_A2DP_BLOCK_LENGTH_8;
1275 else if (cap->block_length & BT_A2DP_BLOCK_LENGTH_4)
1276 config.block_length = BT_A2DP_BLOCK_LENGTH_4;
1277 else {
1278 pa_log_error("No supported block lengths");
1279 goto fail;
1280 }
1281
1282 if (cap->subbands & BT_A2DP_SUBBANDS_8)
1283 config.subbands = BT_A2DP_SUBBANDS_8;
1284 else if (cap->subbands & BT_A2DP_SUBBANDS_4)
1285 config.subbands = BT_A2DP_SUBBANDS_4;
1286 else {
1287 pa_log_error("No supported subbands");
1288 goto fail;
1289 }
1290
1291 if (cap->allocation_method & BT_A2DP_ALLOCATION_LOUDNESS)
1292 config.allocation_method = BT_A2DP_ALLOCATION_LOUDNESS;
1293 else if (cap->allocation_method & BT_A2DP_ALLOCATION_SNR)
1294 config.allocation_method = BT_A2DP_ALLOCATION_SNR;
1295
1296 config.min_bitpool = (uint8_t) PA_MAX(MIN_BITPOOL, cap->min_bitpool);
1297 config.max_bitpool = (uint8_t) PA_MIN(a2dp_default_bitpool(config.frequency, config.channel_mode), cap->max_bitpool);
1298
1299 done:
1300 pa_assert_se(r = dbus_message_new_method_return(m));
1301
1302 pa_assert_se(dbus_message_append_args(
1303 r,
1304 DBUS_TYPE_ARRAY, DBUS_TYPE_BYTE, &pconf, size,
1305 DBUS_TYPE_INVALID));
1306
1307 return r;
1308
1309 fail:
1310 pa_assert_se(r = (dbus_message_new_error(m, "org.bluez.MediaEndpoint.Error.InvalidArguments",
1311 "Unable to select configuration")));
1312 return r;
1313 }
1314
1315 static DBusHandlerResult endpoint_handler(DBusConnection *c, DBusMessage *m, void *userdata) {
1316 struct pa_bluetooth_discovery *y = userdata;
1317 DBusMessage *r = NULL;
1318 DBusError e;
1319 const char *path;
1320
1321 pa_assert(y);
1322
1323 pa_log_debug("dbus: interface=%s, path=%s, member=%s\n",
1324 dbus_message_get_interface(m),
1325 dbus_message_get_path(m),
1326 dbus_message_get_member(m));
1327
1328 path = dbus_message_get_path(m);
1329 dbus_error_init(&e);
1330
1331 if (!pa_streq(path, A2DP_SOURCE_ENDPOINT) && !pa_streq(path, A2DP_SINK_ENDPOINT) && !pa_streq(path, HFP_AG_ENDPOINT))
1332 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1333
1334 if (dbus_message_is_method_call(m, "org.freedesktop.DBus.Introspectable", "Introspect")) {
1335 const char *xml = ENDPOINT_INTROSPECT_XML;
1336
1337 pa_assert_se(r = dbus_message_new_method_return(m));
1338 pa_assert_se(dbus_message_append_args(
1339 r,
1340 DBUS_TYPE_STRING, &xml,
1341 DBUS_TYPE_INVALID));
1342
1343 } else if (dbus_message_is_method_call(m, "org.bluez.MediaEndpoint", "SetConfiguration")) {
1344 r = endpoint_set_configuration(c, m, userdata);
1345 } else if (dbus_message_is_method_call(m, "org.bluez.MediaEndpoint", "SelectConfiguration")) {
1346 r = endpoint_select_configuration(c, m, userdata);
1347 } else if (dbus_message_is_method_call(m, "org.bluez.MediaEndpoint", "ClearConfiguration"))
1348 r = endpoint_clear_configuration(c, m, userdata);
1349 else
1350 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1351
1352 if (r) {
1353 pa_assert_se(dbus_connection_send(pa_dbus_connection_get(y->connection), r, NULL));
1354 dbus_message_unref(r);
1355 }
1356
1357 return DBUS_HANDLER_RESULT_HANDLED;
1358 }
1359
1360 pa_bluetooth_discovery* pa_bluetooth_discovery_get(pa_core *c) {
1361 DBusError err;
1362 pa_bluetooth_discovery *y;
1363 static const DBusObjectPathVTable vtable_endpoint = {
1364 .message_function = endpoint_handler,
1365 };
1366
1367 pa_assert(c);
1368
1369 dbus_error_init(&err);
1370
1371 if ((y = pa_shared_get(c, "bluetooth-discovery")))
1372 return pa_bluetooth_discovery_ref(y);
1373
1374 y = pa_xnew0(pa_bluetooth_discovery, 1);
1375 PA_REFCNT_INIT(y);
1376 y->core = c;
1377 y->devices = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
1378 PA_LLIST_HEAD_INIT(pa_dbus_pending, y->pending);
1379 pa_hook_init(&y->hook, y);
1380 pa_shared_set(c, "bluetooth-discovery", y);
1381
1382 if (setup_dbus(y) < 0)
1383 goto fail;
1384
1385 /* dynamic detection of bluetooth audio devices */
1386 if (!dbus_connection_add_filter(pa_dbus_connection_get(y->connection), filter_cb, y, NULL)) {
1387 pa_log_error("Failed to add filter function");
1388 goto fail;
1389 }
1390 y->filter_added = TRUE;
1391
1392 if (pa_dbus_add_matches(
1393 pa_dbus_connection_get(y->connection), &err,
1394 "type='signal',sender='org.freedesktop.DBus',interface='org.freedesktop.DBus',member='NameOwnerChanged',arg0='org.bluez'",
1395 "type='signal',sender='org.bluez',interface='org.bluez.Manager',member='AdapterAdded'",
1396 "type='signal',sender='org.bluez',interface='org.bluez.Adapter',member='DeviceRemoved'",
1397 "type='signal',sender='org.bluez',interface='org.bluez.Adapter',member='DeviceCreated'",
1398 "type='signal',sender='org.bluez',interface='org.bluez.Device',member='PropertyChanged'",
1399 "type='signal',sender='org.bluez',interface='org.bluez.Device',member='DisconnectRequested'",
1400 "type='signal',sender='org.bluez',interface='org.bluez.Audio',member='PropertyChanged'",
1401 "type='signal',sender='org.bluez',interface='org.bluez.Headset',member='PropertyChanged'",
1402 "type='signal',sender='org.bluez',interface='org.bluez.AudioSink',member='PropertyChanged'",
1403 "type='signal',sender='org.bluez',interface='org.bluez.AudioSource',member='PropertyChanged'",
1404 "type='signal',sender='org.bluez',interface='org.bluez.HandsfreeGateway',member='PropertyChanged'",
1405 NULL) < 0) {
1406 pa_log("Failed to add D-Bus matches: %s", err.message);
1407 goto fail;
1408 }
1409
1410 #ifdef DBUS_TYPE_UNIX_FD
1411 pa_assert_se(dbus_connection_register_object_path(pa_dbus_connection_get(y->connection), HFP_AG_ENDPOINT, &vtable_endpoint, y));
1412 pa_assert_se(dbus_connection_register_object_path(pa_dbus_connection_get(y->connection), A2DP_SOURCE_ENDPOINT, &vtable_endpoint, y));
1413 pa_assert_se(dbus_connection_register_object_path(pa_dbus_connection_get(y->connection), A2DP_SINK_ENDPOINT, &vtable_endpoint, y));
1414 #endif
1415
1416 list_adapters(y);
1417
1418 return y;
1419
1420 fail:
1421
1422 if (y)
1423 pa_bluetooth_discovery_unref(y);
1424
1425 dbus_error_free(&err);
1426
1427 return NULL;
1428 }
1429
1430 pa_bluetooth_discovery* pa_bluetooth_discovery_ref(pa_bluetooth_discovery *y) {
1431 pa_assert(y);
1432 pa_assert(PA_REFCNT_VALUE(y) > 0);
1433
1434 PA_REFCNT_INC(y);
1435
1436 return y;
1437 }
1438
1439 void pa_bluetooth_discovery_unref(pa_bluetooth_discovery *y) {
1440 pa_assert(y);
1441 pa_assert(PA_REFCNT_VALUE(y) > 0);
1442
1443 if (PA_REFCNT_DEC(y) > 0)
1444 return;
1445
1446 pa_dbus_free_pending_list(&y->pending);
1447
1448 if (y->devices) {
1449 remove_all_devices(y);
1450 pa_hashmap_free(y->devices, NULL, NULL);
1451 }
1452
1453 if (y->connection) {
1454 #ifdef DBUS_TYPE_UNIX_FD
1455 dbus_connection_unregister_object_path(pa_dbus_connection_get(y->connection), HFP_AG_ENDPOINT);
1456 dbus_connection_unregister_object_path(pa_dbus_connection_get(y->connection), A2DP_SOURCE_ENDPOINT);
1457 dbus_connection_unregister_object_path(pa_dbus_connection_get(y->connection), A2DP_SINK_ENDPOINT);
1458 #endif
1459 pa_dbus_remove_matches(pa_dbus_connection_get(y->connection),
1460 "type='signal',sender='org.freedesktop.DBus',interface='org.freedesktop.DBus',member='NameOwnerChanged',arg0='org.bluez'",
1461 "type='signal',sender='org.bluez',interface='org.bluez.Manager',member='AdapterAdded'",
1462 "type='signal',sender='org.bluez',interface='org.bluez.Manager',member='AdapterRemoved'",
1463 "type='signal',sender='org.bluez',interface='org.bluez.Adapter',member='DeviceRemoved'",
1464 "type='signal',sender='org.bluez',interface='org.bluez.Adapter',member='DeviceCreated'",
1465 "type='signal',sender='org.bluez',interface='org.bluez.Device',member='PropertyChanged'",
1466 "type='signal',sender='org.bluez',interface='org.bluez.Device',member='DisconnectRequested'",
1467 "type='signal',sender='org.bluez',interface='org.bluez.Audio',member='PropertyChanged'",
1468 "type='signal',sender='org.bluez',interface='org.bluez.Headset',member='PropertyChanged'",
1469 "type='signal',sender='org.bluez',interface='org.bluez.AudioSink',member='PropertyChanged'",
1470 "type='signal',sender='org.bluez',interface='org.bluez.AudioSource',member='PropertyChanged'",
1471 "type='signal',sender='org.bluez',interface='org.bluez.HandsfreeGateway',member='PropertyChanged'",
1472 NULL);
1473
1474 if (y->filter_added)
1475 dbus_connection_remove_filter(pa_dbus_connection_get(y->connection), filter_cb, y);
1476
1477 dbus_connection_remove_filter(pa_dbus_connection_get(y->connection), filter_cb, y);
1478
1479 pa_dbus_connection_unref(y->connection);
1480 }
1481
1482 pa_hook_done(&y->hook);
1483
1484 if (y->core)
1485 pa_shared_remove(y->core, "bluetooth-discovery");
1486
1487 pa_xfree(y);
1488 }
1489
1490 void pa_bluetooth_discovery_sync(pa_bluetooth_discovery *y) {
1491 pa_assert(y);
1492 pa_assert(PA_REFCNT_VALUE(y) > 0);
1493
1494 pa_dbus_sync_pending_list(&y->pending);
1495 }
1496
1497 pa_hook* pa_bluetooth_discovery_hook(pa_bluetooth_discovery *y) {
1498 pa_assert(y);
1499 pa_assert(PA_REFCNT_VALUE(y) > 0);
1500
1501 return &y->hook;
1502 }
1503
1504 const char*pa_bluetooth_get_form_factor(uint32_t class) {
1505 unsigned i;
1506 const char *r;
1507
1508 static const char * const table[] = {
1509 [1] = "headset",
1510 [2] = "hands-free",
1511 [4] = "microphone",
1512 [5] = "speaker",
1513 [6] = "headphone",
1514 [7] = "portable",
1515 [8] = "car",
1516 [10] = "hifi"
1517 };
1518
1519 if (((class >> 8) & 31) != 4)
1520 return NULL;
1521
1522 if ((i = (class >> 2) & 63) > PA_ELEMENTSOF(table))
1523 r = NULL;
1524 else
1525 r = table[i];
1526
1527 if (!r)
1528 pa_log_debug("Unknown Bluetooth minor device class %u", i);
1529
1530 return r;
1531 }
1532
1533 char *pa_bluetooth_cleanup_name(const char *name) {
1534 char *t, *s, *d;
1535 pa_bool_t space = FALSE;
1536
1537 pa_assert(name);
1538
1539 while ((*name >= 1 && *name <= 32) || *name >= 127)
1540 name++;
1541
1542 t = pa_xstrdup(name);
1543
1544 for (s = d = t; *s; s++) {
1545
1546 if (*s <= 32 || *s >= 127 || *s == '_') {
1547 space = TRUE;
1548 continue;
1549 }
1550
1551 if (space) {
1552 *(d++) = ' ';
1553 space = FALSE;
1554 }
1555
1556 *(d++) = *s;
1557 }
1558
1559 *d = 0;
1560
1561 return t;
1562 }
1563
1564 pa_bool_t pa_bluetooth_uuid_has(pa_bluetooth_uuid *uuids, const char *uuid) {
1565 pa_assert(uuid);
1566
1567 while (uuids) {
1568 if (strcasecmp(uuids->uuid, uuid) == 0)
1569 return TRUE;
1570
1571 uuids = uuids->next;
1572 }
1573
1574 return FALSE;
1575 }