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bluetooth: Bump DBus version to 1.3.0 and drop conditional code.
[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 <pulse/xmalloc.h>
27
28 #include <pulsecore/core-util.h>
29 #include <pulsecore/shared.h>
30 #include <pulsecore/dbus-shared.h>
31
32 #include "bluetooth-util.h"
33 #include "ipc.h"
34 #include "a2dp-codecs.h"
35
36 #define HFP_AG_ENDPOINT "/MediaEndpoint/HFPAG"
37 #define A2DP_SOURCE_ENDPOINT "/MediaEndpoint/A2DPSource"
38 #define A2DP_SINK_ENDPOINT "/MediaEndpoint/A2DPSink"
39
40 #define ENDPOINT_INTROSPECT_XML \
41 DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
42 "<node>" \
43 " <interface name=\"org.bluez.MediaEndpoint\">" \
44 " <method name=\"SetConfiguration\">" \
45 " <arg name=\"transport\" direction=\"in\" type=\"o\"/>" \
46 " <arg name=\"configuration\" direction=\"in\" type=\"ay\"/>" \
47 " </method>" \
48 " <method name=\"SelectConfiguration\">" \
49 " <arg name=\"capabilities\" direction=\"in\" type=\"ay\"/>" \
50 " <arg name=\"configuration\" direction=\"out\" type=\"ay\"/>" \
51 " </method>" \
52 " <method name=\"ClearConfiguration\">" \
53 " </method>" \
54 " <method name=\"Release\">" \
55 " </method>" \
56 " </interface>" \
57 " <interface name=\"org.freedesktop.DBus.Introspectable\">" \
58 " <method name=\"Introspect\">" \
59 " <arg name=\"data\" type=\"s\" direction=\"out\"/>" \
60 " </method>" \
61 " </interface>" \
62 "</node>"
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, DBusMessage *m, DBusPendingCallNotifyFunction func, void *call_data);
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, m, get_properties_reply, d);
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, m, get_properties_reply, d);
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, m, get_properties_reply, d);
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, m, get_properties_reply, d);
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, m, get_properties_reply, d);
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, m, get_properties_reply, d);
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, DBusMessage *m, DBusPendingCallNotifyFunction func, void *call_data) {
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, call_data);
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 char *endpoint;
528
529 pa_assert(pending);
530
531 dbus_error_init(&e);
532
533 pa_assert_se(p = userdata);
534 pa_assert_se(y = p->context_data);
535 pa_assert_se(endpoint = p->call_data);
536 pa_assert_se(r = dbus_pending_call_steal_reply(pending));
537
538 if (dbus_message_is_error(r, DBUS_ERROR_SERVICE_UNKNOWN)) {
539 pa_log_debug("Bluetooth daemon is apparently not available.");
540 remove_all_devices(y);
541 goto finish;
542 }
543
544 if (dbus_message_is_error(r, PA_BLUETOOTH_ERROR_NOT_SUPPORTED)) {
545 pa_log_info("Couldn't register endpoint %s, because BlueZ is configured to disable the endpoint type.", endpoint);
546 goto finish;
547 }
548
549 if (dbus_message_get_type(r) == DBUS_MESSAGE_TYPE_ERROR) {
550 pa_log("Error from RegisterEndpoint reply: %s", dbus_message_get_error_name(r));
551 goto finish;
552 }
553
554 finish:
555 dbus_message_unref(r);
556
557 PA_LLIST_REMOVE(pa_dbus_pending, y->pending, p);
558 pa_dbus_pending_free(p);
559
560 pa_xfree(endpoint);
561 }
562
563 static void list_devices_reply(DBusPendingCall *pending, void *userdata) {
564 DBusError e;
565 DBusMessage *r;
566 char **paths = NULL;
567 int num = -1;
568 pa_dbus_pending *p;
569 pa_bluetooth_discovery *y;
570
571 pa_assert(pending);
572
573 dbus_error_init(&e);
574
575 pa_assert_se(p = userdata);
576 pa_assert_se(y = p->context_data);
577 pa_assert_se(r = dbus_pending_call_steal_reply(pending));
578
579 if (dbus_message_is_error(r, DBUS_ERROR_SERVICE_UNKNOWN)) {
580 pa_log_debug("Bluetooth daemon is apparently not available.");
581 remove_all_devices(y);
582 goto finish;
583 }
584
585 if (dbus_message_get_type(r) == DBUS_MESSAGE_TYPE_ERROR) {
586 pa_log("Error from ListDevices reply: %s", dbus_message_get_error_name(r));
587 goto finish;
588 }
589
590 if (!dbus_message_get_args(r, &e, DBUS_TYPE_ARRAY, DBUS_TYPE_OBJECT_PATH, &paths, &num, DBUS_TYPE_INVALID)) {
591 pa_log("org.bluez.Adapter.ListDevices returned an error: '%s'\n", e.message);
592 dbus_error_free(&e);
593 } else {
594 int i;
595
596 for (i = 0; i < num; ++i)
597 found_device(y, paths[i]);
598 }
599
600 finish:
601 if (paths)
602 dbus_free_string_array(paths);
603
604 dbus_message_unref(r);
605
606 PA_LLIST_REMOVE(pa_dbus_pending, y->pending, p);
607 pa_dbus_pending_free(p);
608 }
609
610 static void register_endpoint(pa_bluetooth_discovery *y, const char *path, const char *endpoint, const char *uuid) {
611 DBusMessage *m;
612 DBusMessageIter i, d;
613 uint8_t codec = 0;
614
615 pa_log_debug("Registering %s on adapter %s.", endpoint, path);
616
617 pa_assert_se(m = dbus_message_new_method_call("org.bluez", path, "org.bluez.Media", "RegisterEndpoint"));
618
619 dbus_message_iter_init_append(m, &i);
620
621 dbus_message_iter_append_basic(&i, DBUS_TYPE_OBJECT_PATH, &endpoint);
622
623 dbus_message_iter_open_container(&i, DBUS_TYPE_ARRAY, DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
624 DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING DBUS_DICT_ENTRY_END_CHAR_AS_STRING,
625 &d);
626
627 pa_dbus_append_basic_variant_dict_entry(&d, "UUID", DBUS_TYPE_STRING, &uuid);
628
629 pa_dbus_append_basic_variant_dict_entry(&d, "Codec", DBUS_TYPE_BYTE, &codec);
630
631 if (pa_streq(uuid, HFP_AG_UUID)) {
632 uint8_t capability = 0;
633 pa_dbus_append_basic_array_variant_dict_entry(&d, "Capabilities", DBUS_TYPE_BYTE, &capability, 1);
634 } else {
635 a2dp_sbc_t capabilities;
636
637 capabilities.channel_mode = BT_A2DP_CHANNEL_MODE_MONO | BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL |
638 BT_A2DP_CHANNEL_MODE_STEREO | BT_A2DP_CHANNEL_MODE_JOINT_STEREO;
639 capabilities.frequency = BT_SBC_SAMPLING_FREQ_16000 | BT_SBC_SAMPLING_FREQ_32000 |
640 BT_SBC_SAMPLING_FREQ_44100 | BT_SBC_SAMPLING_FREQ_48000;
641 capabilities.allocation_method = BT_A2DP_ALLOCATION_SNR | BT_A2DP_ALLOCATION_LOUDNESS;
642 capabilities.subbands = BT_A2DP_SUBBANDS_4 | BT_A2DP_SUBBANDS_8;
643 capabilities.block_length = BT_A2DP_BLOCK_LENGTH_4 | BT_A2DP_BLOCK_LENGTH_8 |
644 BT_A2DP_BLOCK_LENGTH_12 | BT_A2DP_BLOCK_LENGTH_16;
645 capabilities.min_bitpool = MIN_BITPOOL;
646 capabilities.max_bitpool = MAX_BITPOOL;
647
648 pa_dbus_append_basic_array_variant_dict_entry(&d, "Capabilities", DBUS_TYPE_BYTE, &capabilities, sizeof(capabilities));
649 }
650
651 dbus_message_iter_close_container(&i, &d);
652
653 send_and_add_to_pending(y, m, register_endpoint_reply, pa_xstrdup(endpoint));
654 }
655
656 static void found_adapter(pa_bluetooth_discovery *y, const char *path) {
657 DBusMessage *m;
658
659 pa_assert_se(m = dbus_message_new_method_call("org.bluez", path, "org.bluez.Adapter", "ListDevices"));
660 send_and_add_to_pending(y, m, list_devices_reply, NULL);
661
662 register_endpoint(y, path, HFP_AG_ENDPOINT, HFP_AG_UUID);
663 register_endpoint(y, path, A2DP_SOURCE_ENDPOINT, A2DP_SOURCE_UUID);
664 register_endpoint(y, path, A2DP_SINK_ENDPOINT, A2DP_SINK_UUID);
665 }
666
667 static void list_adapters_reply(DBusPendingCall *pending, void *userdata) {
668 DBusError e;
669 DBusMessage *r;
670 char **paths = NULL;
671 int num = -1;
672 pa_dbus_pending *p;
673 pa_bluetooth_discovery *y;
674
675 pa_assert(pending);
676
677 dbus_error_init(&e);
678
679 pa_assert_se(p = userdata);
680 pa_assert_se(y = p->context_data);
681 pa_assert_se(r = dbus_pending_call_steal_reply(pending));
682
683 if (dbus_message_is_error(r, DBUS_ERROR_SERVICE_UNKNOWN)) {
684 pa_log_debug("Bluetooth daemon is apparently not available.");
685 remove_all_devices(y);
686 goto finish;
687 }
688
689 if (dbus_message_get_type(r) == DBUS_MESSAGE_TYPE_ERROR) {
690 pa_log("Error from ListAdapters reply: %s", dbus_message_get_error_name(r));
691 goto finish;
692 }
693
694 if (!dbus_message_get_args(r, &e, DBUS_TYPE_ARRAY, DBUS_TYPE_OBJECT_PATH, &paths, &num, DBUS_TYPE_INVALID)) {
695 pa_log("org.bluez.Manager.ListAdapters returned an error: %s", e.message);
696 dbus_error_free(&e);
697 } else {
698 int i;
699
700 for (i = 0; i < num; ++i)
701 found_adapter(y, paths[i]);
702 }
703
704 finish:
705 if (paths)
706 dbus_free_string_array(paths);
707
708 dbus_message_unref(r);
709
710 PA_LLIST_REMOVE(pa_dbus_pending, y->pending, p);
711 pa_dbus_pending_free(p);
712 }
713
714 static void list_adapters(pa_bluetooth_discovery *y) {
715 DBusMessage *m;
716 pa_assert(y);
717
718 pa_assert_se(m = dbus_message_new_method_call("org.bluez", "/", "org.bluez.Manager", "ListAdapters"));
719 send_and_add_to_pending(y, m, list_adapters_reply, NULL);
720 }
721
722 int pa_bluetooth_transport_parse_property(pa_bluetooth_transport *t, DBusMessageIter *i)
723 {
724 const char *key;
725 DBusMessageIter variant_i;
726
727 if (dbus_message_iter_get_arg_type(i) != DBUS_TYPE_STRING) {
728 pa_log("Property name not a string.");
729 return -1;
730 }
731
732 dbus_message_iter_get_basic(i, &key);
733
734 if (!dbus_message_iter_next(i)) {
735 pa_log("Property value missing");
736 return -1;
737 }
738
739 if (dbus_message_iter_get_arg_type(i) != DBUS_TYPE_VARIANT) {
740 pa_log("Property value not a variant.");
741 return -1;
742 }
743
744 dbus_message_iter_recurse(i, &variant_i);
745
746 switch (dbus_message_iter_get_arg_type(&variant_i)) {
747
748 case DBUS_TYPE_BOOLEAN: {
749
750 pa_bool_t *value;
751 dbus_message_iter_get_basic(&variant_i, &value);
752
753 if (pa_streq(key, "NREC"))
754 t->nrec = value;
755
756 break;
757 }
758 }
759
760 return 0;
761 }
762
763 static DBusHandlerResult filter_cb(DBusConnection *bus, DBusMessage *m, void *userdata) {
764 DBusError err;
765 pa_bluetooth_discovery *y;
766
767 pa_assert(bus);
768 pa_assert(m);
769
770 pa_assert_se(y = userdata);
771
772 dbus_error_init(&err);
773
774 pa_log_debug("dbus: interface=%s, path=%s, member=%s\n",
775 dbus_message_get_interface(m),
776 dbus_message_get_path(m),
777 dbus_message_get_member(m));
778
779 if (dbus_message_is_signal(m, "org.bluez.Adapter", "DeviceRemoved")) {
780 const char *path;
781 pa_bluetooth_device *d;
782
783 if (!dbus_message_get_args(m, &err, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID)) {
784 pa_log("Failed to parse org.bluez.Adapter.DeviceRemoved: %s", err.message);
785 goto fail;
786 }
787
788 pa_log_debug("Device %s removed", path);
789
790 if ((d = pa_hashmap_remove(y->devices, path))) {
791 run_callback(y, d, TRUE);
792 device_free(d);
793 }
794
795 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
796
797 } else if (dbus_message_is_signal(m, "org.bluez.Adapter", "DeviceCreated")) {
798 const char *path;
799
800 if (!dbus_message_get_args(m, &err, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID)) {
801 pa_log("Failed to parse org.bluez.Adapter.DeviceCreated: %s", err.message);
802 goto fail;
803 }
804
805 pa_log_debug("Device %s created", path);
806
807 found_device(y, path);
808 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
809
810 } else if (dbus_message_is_signal(m, "org.bluez.Manager", "AdapterAdded")) {
811 const char *path;
812
813 if (!dbus_message_get_args(m, &err, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID)) {
814 pa_log("Failed to parse org.bluez.Manager.AdapterAdded: %s", err.message);
815 goto fail;
816 }
817
818 pa_log_debug("Adapter %s created", path);
819
820 found_adapter(y, path);
821 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
822
823 } else if (dbus_message_is_signal(m, "org.bluez.Audio", "PropertyChanged") ||
824 dbus_message_is_signal(m, "org.bluez.Headset", "PropertyChanged") ||
825 dbus_message_is_signal(m, "org.bluez.AudioSink", "PropertyChanged") ||
826 dbus_message_is_signal(m, "org.bluez.AudioSource", "PropertyChanged") ||
827 dbus_message_is_signal(m, "org.bluez.HandsfreeGateway", "PropertyChanged") ||
828 dbus_message_is_signal(m, "org.bluez.Device", "PropertyChanged")) {
829
830 pa_bluetooth_device *d;
831
832 if ((d = pa_hashmap_get(y->devices, dbus_message_get_path(m)))) {
833 DBusMessageIter arg_i;
834
835 if (!dbus_message_iter_init(m, &arg_i)) {
836 pa_log("Failed to parse PropertyChanged: %s", err.message);
837 goto fail;
838 }
839
840 if (dbus_message_has_interface(m, "org.bluez.Device")) {
841 if (parse_device_property(y, d, &arg_i) < 0)
842 goto fail;
843
844 } else if (dbus_message_has_interface(m, "org.bluez.Audio")) {
845 if (parse_audio_property(y, &d->audio_state, &arg_i) < 0)
846 goto fail;
847
848 } else if (dbus_message_has_interface(m, "org.bluez.Headset")) {
849 if (parse_audio_property(y, &d->headset_state, &arg_i) < 0)
850 goto fail;
851
852 } else if (dbus_message_has_interface(m, "org.bluez.AudioSink")) {
853 if (parse_audio_property(y, &d->audio_sink_state, &arg_i) < 0)
854 goto fail;
855
856 } else if (dbus_message_has_interface(m, "org.bluez.AudioSource")) {
857 if (parse_audio_property(y, &d->audio_source_state, &arg_i) < 0)
858 goto fail;
859
860 } else if (dbus_message_has_interface(m, "org.bluez.HandsfreeGateway")) {
861 if (parse_audio_property(y, &d->hfgw_state, &arg_i) < 0)
862 goto fail;
863 }
864
865 run_callback(y, d, FALSE);
866 }
867
868 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
869
870 } else if (dbus_message_is_signal(m, "org.bluez.Device", "DisconnectRequested")) {
871 pa_bluetooth_device *d;
872
873 if ((d = pa_hashmap_get(y->devices, dbus_message_get_path(m)))) {
874 /* Device will disconnect in 2 sec */
875 d->audio_state = PA_BT_AUDIO_STATE_DISCONNECTED;
876 d->audio_sink_state = PA_BT_AUDIO_STATE_DISCONNECTED;
877 d->audio_source_state = PA_BT_AUDIO_STATE_DISCONNECTED;
878 d->headset_state = PA_BT_AUDIO_STATE_DISCONNECTED;
879 d->hfgw_state = PA_BT_AUDIO_STATE_DISCONNECTED;
880
881 run_callback(y, d, FALSE);
882 }
883
884 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
885
886 } else if (dbus_message_is_signal(m, "org.freedesktop.DBus", "NameOwnerChanged")) {
887 const char *name, *old_owner, *new_owner;
888
889 if (!dbus_message_get_args(m, &err,
890 DBUS_TYPE_STRING, &name,
891 DBUS_TYPE_STRING, &old_owner,
892 DBUS_TYPE_STRING, &new_owner,
893 DBUS_TYPE_INVALID)) {
894 pa_log("Failed to parse org.freedesktop.DBus.NameOwnerChanged: %s", err.message);
895 goto fail;
896 }
897
898 if (pa_streq(name, "org.bluez")) {
899 if (old_owner && *old_owner) {
900 pa_log_debug("Bluetooth daemon disappeared.");
901 remove_all_devices(y);
902 }
903
904 if (new_owner && *new_owner) {
905 pa_log_debug("Bluetooth daemon appeared.");
906 list_adapters(y);
907 }
908 }
909
910 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
911 } else if (dbus_message_is_signal(m, "org.bluez.MediaTransport", "PropertyChanged")) {
912 pa_bluetooth_device *d;
913 pa_bluetooth_transport *t = NULL;
914 void *state = NULL;
915 DBusMessageIter arg_i;
916
917 while ((d = pa_hashmap_iterate(y->devices, &state, NULL)))
918 if ((t = pa_hashmap_get(d->transports, dbus_message_get_path(m))))
919 break;
920
921 if (!t)
922 goto fail;
923
924 if (!dbus_message_iter_init(m, &arg_i)) {
925 pa_log("Failed to parse PropertyChanged: %s", err.message);
926 goto fail;
927 }
928
929 if (pa_bluetooth_transport_parse_property(t, &arg_i) < 0)
930 goto fail;
931
932 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
933 }
934
935 fail:
936 dbus_error_free(&err);
937
938 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
939 }
940
941 const pa_bluetooth_device* pa_bluetooth_discovery_get_by_address(pa_bluetooth_discovery *y, const char* address) {
942 pa_bluetooth_device *d;
943 void *state = NULL;
944
945 pa_assert(y);
946 pa_assert(PA_REFCNT_VALUE(y) > 0);
947 pa_assert(address);
948
949 if (!pa_hook_is_firing(&y->hook))
950 pa_bluetooth_discovery_sync(y);
951
952 while ((d = pa_hashmap_iterate(y->devices, &state, NULL)))
953 if (pa_streq(d->address, address))
954 return device_is_audio(d) ? d : NULL;
955
956 return NULL;
957 }
958
959 const pa_bluetooth_device* pa_bluetooth_discovery_get_by_path(pa_bluetooth_discovery *y, const char* path) {
960 pa_bluetooth_device *d;
961
962 pa_assert(y);
963 pa_assert(PA_REFCNT_VALUE(y) > 0);
964 pa_assert(path);
965
966 if (!pa_hook_is_firing(&y->hook))
967 pa_bluetooth_discovery_sync(y);
968
969 if ((d = pa_hashmap_get(y->devices, path)))
970 if (device_is_audio(d))
971 return d;
972
973 return NULL;
974 }
975
976 const pa_bluetooth_transport* pa_bluetooth_discovery_get_transport(pa_bluetooth_discovery *y, const char *path) {
977 pa_bluetooth_device *d;
978 pa_bluetooth_transport *t;
979 void *state = NULL;
980
981 pa_assert(y);
982 pa_assert(PA_REFCNT_VALUE(y) > 0);
983 pa_assert(path);
984
985 while ((d = pa_hashmap_iterate(y->devices, &state, NULL)))
986 if ((t = pa_hashmap_get(d->transports, path)))
987 return t;
988
989 return NULL;
990 }
991
992 const pa_bluetooth_transport* pa_bluetooth_device_get_transport(const pa_bluetooth_device *d, enum profile profile) {
993 pa_bluetooth_transport *t;
994 void *state = NULL;
995
996 pa_assert(d);
997
998 while ((t = pa_hashmap_iterate(d->transports, &state, NULL)))
999 if (t->profile == profile)
1000 return t;
1001
1002 return NULL;
1003 }
1004
1005 int pa_bluetooth_transport_acquire(const pa_bluetooth_transport *t, const char *accesstype, size_t *imtu, size_t *omtu) {
1006 DBusMessage *m, *r;
1007 DBusError err;
1008 int ret;
1009 uint16_t i, o;
1010
1011 pa_assert(t);
1012 pa_assert(t->y);
1013
1014 dbus_error_init(&err);
1015
1016 pa_assert_se(m = dbus_message_new_method_call("org.bluez", t->path, "org.bluez.MediaTransport", "Acquire"));
1017 pa_assert_se(dbus_message_append_args(m, DBUS_TYPE_STRING, &accesstype, DBUS_TYPE_INVALID));
1018 r = dbus_connection_send_with_reply_and_block(pa_dbus_connection_get(t->y->connection), m, -1, &err);
1019
1020 if (dbus_error_is_set(&err) || !r) {
1021 pa_log("Failed to acquire transport fd: %s", err.message);
1022 dbus_error_free(&err);
1023 return -1;
1024 }
1025
1026 if (!dbus_message_get_args(r, &err, DBUS_TYPE_UNIX_FD, &ret, DBUS_TYPE_UINT16, &i, DBUS_TYPE_UINT16, &o, DBUS_TYPE_INVALID)) {
1027 pa_log("Failed to parse org.bluez.MediaTransport.Acquire(): %s", err.message);
1028 ret = -1;
1029 dbus_error_free(&err);
1030 goto fail;
1031 }
1032
1033 if (imtu)
1034 *imtu = i;
1035
1036 if (omtu)
1037 *omtu = o;
1038
1039 fail:
1040 dbus_message_unref(r);
1041 return ret;
1042 }
1043
1044 void pa_bluetooth_transport_release(const pa_bluetooth_transport *t, const char *accesstype) {
1045 DBusMessage *m;
1046 DBusError err;
1047
1048 pa_assert(t);
1049 pa_assert(t->y);
1050
1051 dbus_error_init(&err);
1052
1053 pa_assert_se(m = dbus_message_new_method_call("org.bluez", t->path, "org.bluez.MediaTransport", "Release"));
1054 pa_assert_se(dbus_message_append_args(m, DBUS_TYPE_STRING, &accesstype, DBUS_TYPE_INVALID));
1055 dbus_connection_send_with_reply_and_block(pa_dbus_connection_get(t->y->connection), m, -1, &err);
1056
1057 if (dbus_error_is_set(&err)) {
1058 pa_log("Failed to release transport %s: %s", t->path, err.message);
1059 dbus_error_free(&err);
1060 } else
1061 pa_log_info("Transport %s released", t->path);
1062 }
1063
1064 static int setup_dbus(pa_bluetooth_discovery *y) {
1065 DBusError err;
1066
1067 dbus_error_init(&err);
1068
1069 y->connection = pa_dbus_bus_get(y->core, DBUS_BUS_SYSTEM, &err);
1070
1071 if (dbus_error_is_set(&err) || !y->connection) {
1072 pa_log("Failed to get D-Bus connection: %s", err.message);
1073 dbus_error_free(&err);
1074 return -1;
1075 }
1076
1077 return 0;
1078 }
1079
1080 static pa_bluetooth_transport *transport_new(pa_bluetooth_discovery *y, const char *path, enum profile p, const uint8_t *config, int size) {
1081 pa_bluetooth_transport *t;
1082
1083 t = pa_xnew0(pa_bluetooth_transport, 1);
1084 t->y = y;
1085 t->path = pa_xstrdup(path);
1086 t->profile = p;
1087 t->config_size = size;
1088
1089 if (size > 0) {
1090 t->config = pa_xnew(uint8_t, size);
1091 memcpy(t->config, config, size);
1092 }
1093
1094 return t;
1095 }
1096
1097 static DBusMessage *endpoint_set_configuration(DBusConnection *conn, DBusMessage *m, void *userdata) {
1098 pa_bluetooth_discovery *y = userdata;
1099 pa_bluetooth_device *d;
1100 pa_bluetooth_transport *t;
1101 const char *path, *dev_path = NULL, *uuid = NULL;
1102 uint8_t *config = NULL;
1103 int size = 0;
1104 pa_bool_t nrec = FALSE;
1105 enum profile p;
1106 DBusMessageIter args, props;
1107 DBusMessage *r;
1108
1109 dbus_message_iter_init(m, &args);
1110
1111 dbus_message_iter_get_basic(&args, &path);
1112 if (!dbus_message_iter_next(&args))
1113 goto fail;
1114
1115 dbus_message_iter_recurse(&args, &props);
1116 if (dbus_message_iter_get_arg_type(&props) != DBUS_TYPE_DICT_ENTRY)
1117 goto fail;
1118
1119 /* Read transport properties */
1120 while (dbus_message_iter_get_arg_type(&props) == DBUS_TYPE_DICT_ENTRY) {
1121 const char *key;
1122 DBusMessageIter value, entry;
1123 int var;
1124
1125 dbus_message_iter_recurse(&props, &entry);
1126 dbus_message_iter_get_basic(&entry, &key);
1127
1128 dbus_message_iter_next(&entry);
1129 dbus_message_iter_recurse(&entry, &value);
1130
1131 var = dbus_message_iter_get_arg_type(&value);
1132 if (strcasecmp(key, "UUID") == 0) {
1133 if (var != DBUS_TYPE_STRING)
1134 goto fail;
1135 dbus_message_iter_get_basic(&value, &uuid);
1136 } else if (strcasecmp(key, "Device") == 0) {
1137 if (var != DBUS_TYPE_OBJECT_PATH)
1138 goto fail;
1139 dbus_message_iter_get_basic(&value, &dev_path);
1140 } else if (strcasecmp(key, "NREC") == 0) {
1141 if (var != DBUS_TYPE_BOOLEAN)
1142 goto fail;
1143 dbus_message_iter_get_basic(&value, &nrec);
1144 } else if (strcasecmp(key, "Configuration") == 0) {
1145 DBusMessageIter array;
1146 if (var != DBUS_TYPE_ARRAY)
1147 goto fail;
1148 dbus_message_iter_recurse(&value, &array);
1149 dbus_message_iter_get_fixed_array(&array, &config, &size);
1150 }
1151
1152 dbus_message_iter_next(&props);
1153 }
1154
1155 d = found_device(y, dev_path);
1156 if (!d)
1157 goto fail;
1158
1159 if (dbus_message_has_path(m, HFP_AG_ENDPOINT))
1160 p = PROFILE_HSP;
1161 else if (dbus_message_has_path(m, A2DP_SOURCE_ENDPOINT))
1162 p = PROFILE_A2DP;
1163 else
1164 p = PROFILE_A2DP_SOURCE;
1165
1166 t = transport_new(y, path, p, config, size);
1167 if (nrec)
1168 t->nrec = nrec;
1169 pa_hashmap_put(d->transports, t->path, t);
1170
1171 pa_log_debug("Transport %s profile %d available", t->path, t->profile);
1172
1173 pa_assert_se(r = dbus_message_new_method_return(m));
1174
1175 return r;
1176
1177 fail:
1178 pa_log("org.bluez.MediaEndpoint.SetConfiguration: invalid arguments");
1179 pa_assert_se(r = (dbus_message_new_error(m, "org.bluez.MediaEndpoint.Error.InvalidArguments",
1180 "Unable to set configuration")));
1181 return r;
1182 }
1183
1184 static DBusMessage *endpoint_clear_configuration(DBusConnection *c, DBusMessage *m, void *userdata) {
1185 pa_bluetooth_discovery *y = userdata;
1186 pa_bluetooth_device *d;
1187 pa_bluetooth_transport *t;
1188 void *state = NULL;
1189 DBusMessage *r;
1190 DBusError e;
1191 const char *path;
1192
1193 dbus_error_init(&e);
1194
1195 if (!dbus_message_get_args(m, &e, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID)) {
1196 pa_log("org.bluez.MediaEndpoint.ClearConfiguration: %s", e.message);
1197 dbus_error_free(&e);
1198 goto fail;
1199 }
1200
1201 while ((d = pa_hashmap_iterate(y->devices, &state, NULL))) {
1202 if ((t = pa_hashmap_get(d->transports, path))) {
1203 pa_log_debug("Clearing transport %s profile %d", t->path, t->profile);
1204 pa_hashmap_remove(d->transports, t->path);
1205 transport_free(t);
1206 break;
1207 }
1208 }
1209
1210 pa_assert_se(r = dbus_message_new_method_return(m));
1211
1212 return r;
1213
1214 fail:
1215 pa_assert_se(r = (dbus_message_new_error(m, "org.bluez.MediaEndpoint.Error.InvalidArguments",
1216 "Unable to clear configuration")));
1217 return r;
1218 }
1219
1220 static uint8_t a2dp_default_bitpool(uint8_t freq, uint8_t mode) {
1221
1222 switch (freq) {
1223 case BT_SBC_SAMPLING_FREQ_16000:
1224 case BT_SBC_SAMPLING_FREQ_32000:
1225 return 53;
1226
1227 case BT_SBC_SAMPLING_FREQ_44100:
1228
1229 switch (mode) {
1230 case BT_A2DP_CHANNEL_MODE_MONO:
1231 case BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL:
1232 return 31;
1233
1234 case BT_A2DP_CHANNEL_MODE_STEREO:
1235 case BT_A2DP_CHANNEL_MODE_JOINT_STEREO:
1236 return 53;
1237
1238 default:
1239 pa_log_warn("Invalid channel mode %u", mode);
1240 return 53;
1241 }
1242
1243 case BT_SBC_SAMPLING_FREQ_48000:
1244
1245 switch (mode) {
1246 case BT_A2DP_CHANNEL_MODE_MONO:
1247 case BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL:
1248 return 29;
1249
1250 case BT_A2DP_CHANNEL_MODE_STEREO:
1251 case BT_A2DP_CHANNEL_MODE_JOINT_STEREO:
1252 return 51;
1253
1254 default:
1255 pa_log_warn("Invalid channel mode %u", mode);
1256 return 51;
1257 }
1258
1259 default:
1260 pa_log_warn("Invalid sampling freq %u", freq);
1261 return 53;
1262 }
1263 }
1264
1265 static DBusMessage *endpoint_select_configuration(DBusConnection *c, DBusMessage *m, void *userdata) {
1266 pa_bluetooth_discovery *y = userdata;
1267 a2dp_sbc_t *cap, config;
1268 uint8_t *pconf = (uint8_t *) &config;
1269 int i, size;
1270 DBusMessage *r;
1271 DBusError e;
1272
1273 static const struct {
1274 uint32_t rate;
1275 uint8_t cap;
1276 } freq_table[] = {
1277 { 16000U, BT_SBC_SAMPLING_FREQ_16000 },
1278 { 32000U, BT_SBC_SAMPLING_FREQ_32000 },
1279 { 44100U, BT_SBC_SAMPLING_FREQ_44100 },
1280 { 48000U, BT_SBC_SAMPLING_FREQ_48000 }
1281 };
1282
1283 dbus_error_init(&e);
1284
1285 if (!dbus_message_get_args(m, &e, DBUS_TYPE_ARRAY, DBUS_TYPE_BYTE, &cap, &size, DBUS_TYPE_INVALID)) {
1286 pa_log("org.bluez.MediaEndpoint.SelectConfiguration: %s", e.message);
1287 dbus_error_free(&e);
1288 goto fail;
1289 }
1290
1291 if (dbus_message_has_path(m, HFP_AG_ENDPOINT))
1292 goto done;
1293
1294 pa_assert(size == sizeof(config));
1295
1296 memset(&config, 0, sizeof(config));
1297
1298 /* Find the lowest freq that is at least as high as the requested
1299 * sampling rate */
1300 for (i = 0; (unsigned) i < PA_ELEMENTSOF(freq_table); i++)
1301 if (freq_table[i].rate >= y->core->default_sample_spec.rate && (cap->frequency & freq_table[i].cap)) {
1302 config.frequency = freq_table[i].cap;
1303 break;
1304 }
1305
1306 if ((unsigned) i == PA_ELEMENTSOF(freq_table)) {
1307 for (--i; i >= 0; i--) {
1308 if (cap->frequency & freq_table[i].cap) {
1309 config.frequency = freq_table[i].cap;
1310 break;
1311 }
1312 }
1313
1314 if (i < 0) {
1315 pa_log("Not suitable sample rate");
1316 goto fail;
1317 }
1318 }
1319
1320 pa_assert((unsigned) i < PA_ELEMENTSOF(freq_table));
1321
1322 if (y->core->default_sample_spec.channels <= 1) {
1323 if (cap->channel_mode & BT_A2DP_CHANNEL_MODE_MONO)
1324 config.channel_mode = BT_A2DP_CHANNEL_MODE_MONO;
1325 }
1326
1327 if (y->core->default_sample_spec.channels >= 2) {
1328 if (cap->channel_mode & BT_A2DP_CHANNEL_MODE_JOINT_STEREO)
1329 config.channel_mode = BT_A2DP_CHANNEL_MODE_JOINT_STEREO;
1330 else if (cap->channel_mode & BT_A2DP_CHANNEL_MODE_STEREO)
1331 config.channel_mode = BT_A2DP_CHANNEL_MODE_STEREO;
1332 else if (cap->channel_mode & BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL)
1333 config.channel_mode = BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL;
1334 else if (cap->channel_mode & BT_A2DP_CHANNEL_MODE_MONO) {
1335 config.channel_mode = BT_A2DP_CHANNEL_MODE_MONO;
1336 } else {
1337 pa_log("No supported channel modes");
1338 goto fail;
1339 }
1340 }
1341
1342 if (cap->block_length & BT_A2DP_BLOCK_LENGTH_16)
1343 config.block_length = BT_A2DP_BLOCK_LENGTH_16;
1344 else if (cap->block_length & BT_A2DP_BLOCK_LENGTH_12)
1345 config.block_length = BT_A2DP_BLOCK_LENGTH_12;
1346 else if (cap->block_length & BT_A2DP_BLOCK_LENGTH_8)
1347 config.block_length = BT_A2DP_BLOCK_LENGTH_8;
1348 else if (cap->block_length & BT_A2DP_BLOCK_LENGTH_4)
1349 config.block_length = BT_A2DP_BLOCK_LENGTH_4;
1350 else {
1351 pa_log_error("No supported block lengths");
1352 goto fail;
1353 }
1354
1355 if (cap->subbands & BT_A2DP_SUBBANDS_8)
1356 config.subbands = BT_A2DP_SUBBANDS_8;
1357 else if (cap->subbands & BT_A2DP_SUBBANDS_4)
1358 config.subbands = BT_A2DP_SUBBANDS_4;
1359 else {
1360 pa_log_error("No supported subbands");
1361 goto fail;
1362 }
1363
1364 if (cap->allocation_method & BT_A2DP_ALLOCATION_LOUDNESS)
1365 config.allocation_method = BT_A2DP_ALLOCATION_LOUDNESS;
1366 else if (cap->allocation_method & BT_A2DP_ALLOCATION_SNR)
1367 config.allocation_method = BT_A2DP_ALLOCATION_SNR;
1368
1369 config.min_bitpool = (uint8_t) PA_MAX(MIN_BITPOOL, cap->min_bitpool);
1370 config.max_bitpool = (uint8_t) PA_MIN(a2dp_default_bitpool(config.frequency, config.channel_mode), cap->max_bitpool);
1371
1372 done:
1373 pa_assert_se(r = dbus_message_new_method_return(m));
1374
1375 pa_assert_se(dbus_message_append_args(
1376 r,
1377 DBUS_TYPE_ARRAY, DBUS_TYPE_BYTE, &pconf, size,
1378 DBUS_TYPE_INVALID));
1379
1380 return r;
1381
1382 fail:
1383 pa_assert_se(r = (dbus_message_new_error(m, "org.bluez.MediaEndpoint.Error.InvalidArguments",
1384 "Unable to select configuration")));
1385 return r;
1386 }
1387
1388 static DBusHandlerResult endpoint_handler(DBusConnection *c, DBusMessage *m, void *userdata) {
1389 struct pa_bluetooth_discovery *y = userdata;
1390 DBusMessage *r = NULL;
1391 DBusError e;
1392 const char *path;
1393
1394 pa_assert(y);
1395
1396 pa_log_debug("dbus: interface=%s, path=%s, member=%s\n",
1397 dbus_message_get_interface(m),
1398 dbus_message_get_path(m),
1399 dbus_message_get_member(m));
1400
1401 path = dbus_message_get_path(m);
1402 dbus_error_init(&e);
1403
1404 if (!pa_streq(path, A2DP_SOURCE_ENDPOINT) && !pa_streq(path, A2DP_SINK_ENDPOINT) && !pa_streq(path, HFP_AG_ENDPOINT))
1405 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1406
1407 if (dbus_message_is_method_call(m, "org.freedesktop.DBus.Introspectable", "Introspect")) {
1408 const char *xml = ENDPOINT_INTROSPECT_XML;
1409
1410 pa_assert_se(r = dbus_message_new_method_return(m));
1411 pa_assert_se(dbus_message_append_args(
1412 r,
1413 DBUS_TYPE_STRING, &xml,
1414 DBUS_TYPE_INVALID));
1415
1416 } else if (dbus_message_is_method_call(m, "org.bluez.MediaEndpoint", "SetConfiguration")) {
1417 r = endpoint_set_configuration(c, m, userdata);
1418 } else if (dbus_message_is_method_call(m, "org.bluez.MediaEndpoint", "SelectConfiguration")) {
1419 r = endpoint_select_configuration(c, m, userdata);
1420 } else if (dbus_message_is_method_call(m, "org.bluez.MediaEndpoint", "ClearConfiguration"))
1421 r = endpoint_clear_configuration(c, m, userdata);
1422 else
1423 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1424
1425 if (r) {
1426 pa_assert_se(dbus_connection_send(pa_dbus_connection_get(y->connection), r, NULL));
1427 dbus_message_unref(r);
1428 }
1429
1430 return DBUS_HANDLER_RESULT_HANDLED;
1431 }
1432
1433 pa_bluetooth_discovery* pa_bluetooth_discovery_get(pa_core *c) {
1434 DBusError err;
1435 pa_bluetooth_discovery *y;
1436 static const DBusObjectPathVTable vtable_endpoint = {
1437 .message_function = endpoint_handler,
1438 };
1439
1440 pa_assert(c);
1441
1442 dbus_error_init(&err);
1443
1444 if ((y = pa_shared_get(c, "bluetooth-discovery")))
1445 return pa_bluetooth_discovery_ref(y);
1446
1447 y = pa_xnew0(pa_bluetooth_discovery, 1);
1448 PA_REFCNT_INIT(y);
1449 y->core = c;
1450 y->devices = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
1451 PA_LLIST_HEAD_INIT(pa_dbus_pending, y->pending);
1452 pa_hook_init(&y->hook, y);
1453 pa_shared_set(c, "bluetooth-discovery", y);
1454
1455 if (setup_dbus(y) < 0)
1456 goto fail;
1457
1458 /* dynamic detection of bluetooth audio devices */
1459 if (!dbus_connection_add_filter(pa_dbus_connection_get(y->connection), filter_cb, y, NULL)) {
1460 pa_log_error("Failed to add filter function");
1461 goto fail;
1462 }
1463 y->filter_added = TRUE;
1464
1465 if (pa_dbus_add_matches(
1466 pa_dbus_connection_get(y->connection), &err,
1467 "type='signal',sender='org.freedesktop.DBus',interface='org.freedesktop.DBus',member='NameOwnerChanged',arg0='org.bluez'",
1468 "type='signal',sender='org.bluez',interface='org.bluez.Manager',member='AdapterAdded'",
1469 "type='signal',sender='org.bluez',interface='org.bluez.Adapter',member='DeviceRemoved'",
1470 "type='signal',sender='org.bluez',interface='org.bluez.Adapter',member='DeviceCreated'",
1471 "type='signal',sender='org.bluez',interface='org.bluez.Device',member='PropertyChanged'",
1472 "type='signal',sender='org.bluez',interface='org.bluez.Device',member='DisconnectRequested'",
1473 "type='signal',sender='org.bluez',interface='org.bluez.Audio',member='PropertyChanged'",
1474 "type='signal',sender='org.bluez',interface='org.bluez.Headset',member='PropertyChanged'",
1475 "type='signal',sender='org.bluez',interface='org.bluez.AudioSink',member='PropertyChanged'",
1476 "type='signal',sender='org.bluez',interface='org.bluez.AudioSource',member='PropertyChanged'",
1477 "type='signal',sender='org.bluez',interface='org.bluez.HandsfreeGateway',member='PropertyChanged'",
1478 "type='signal',sender='org.bluez',interface='org.bluez.MediaTransport',member='PropertyChanged'",
1479 NULL) < 0) {
1480 pa_log("Failed to add D-Bus matches: %s", err.message);
1481 goto fail;
1482 }
1483
1484 pa_assert_se(dbus_connection_register_object_path(pa_dbus_connection_get(y->connection), HFP_AG_ENDPOINT, &vtable_endpoint, y));
1485 pa_assert_se(dbus_connection_register_object_path(pa_dbus_connection_get(y->connection), A2DP_SOURCE_ENDPOINT, &vtable_endpoint, y));
1486 pa_assert_se(dbus_connection_register_object_path(pa_dbus_connection_get(y->connection), A2DP_SINK_ENDPOINT, &vtable_endpoint, y));
1487
1488 list_adapters(y);
1489
1490 return y;
1491
1492 fail:
1493
1494 if (y)
1495 pa_bluetooth_discovery_unref(y);
1496
1497 dbus_error_free(&err);
1498
1499 return NULL;
1500 }
1501
1502 pa_bluetooth_discovery* pa_bluetooth_discovery_ref(pa_bluetooth_discovery *y) {
1503 pa_assert(y);
1504 pa_assert(PA_REFCNT_VALUE(y) > 0);
1505
1506 PA_REFCNT_INC(y);
1507
1508 return y;
1509 }
1510
1511 void pa_bluetooth_discovery_unref(pa_bluetooth_discovery *y) {
1512 pa_assert(y);
1513 pa_assert(PA_REFCNT_VALUE(y) > 0);
1514
1515 if (PA_REFCNT_DEC(y) > 0)
1516 return;
1517
1518 pa_dbus_free_pending_list(&y->pending);
1519
1520 if (y->devices) {
1521 remove_all_devices(y);
1522 pa_hashmap_free(y->devices, NULL, NULL);
1523 }
1524
1525 if (y->connection) {
1526 dbus_connection_unregister_object_path(pa_dbus_connection_get(y->connection), HFP_AG_ENDPOINT);
1527 dbus_connection_unregister_object_path(pa_dbus_connection_get(y->connection), A2DP_SOURCE_ENDPOINT);
1528 dbus_connection_unregister_object_path(pa_dbus_connection_get(y->connection), A2DP_SINK_ENDPOINT);
1529 pa_dbus_remove_matches(pa_dbus_connection_get(y->connection),
1530 "type='signal',sender='org.freedesktop.DBus',interface='org.freedesktop.DBus',member='NameOwnerChanged',arg0='org.bluez'",
1531 "type='signal',sender='org.bluez',interface='org.bluez.Manager',member='AdapterAdded'",
1532 "type='signal',sender='org.bluez',interface='org.bluez.Manager',member='AdapterRemoved'",
1533 "type='signal',sender='org.bluez',interface='org.bluez.Adapter',member='DeviceRemoved'",
1534 "type='signal',sender='org.bluez',interface='org.bluez.Adapter',member='DeviceCreated'",
1535 "type='signal',sender='org.bluez',interface='org.bluez.Device',member='PropertyChanged'",
1536 "type='signal',sender='org.bluez',interface='org.bluez.Device',member='DisconnectRequested'",
1537 "type='signal',sender='org.bluez',interface='org.bluez.Audio',member='PropertyChanged'",
1538 "type='signal',sender='org.bluez',interface='org.bluez.Headset',member='PropertyChanged'",
1539 "type='signal',sender='org.bluez',interface='org.bluez.AudioSink',member='PropertyChanged'",
1540 "type='signal',sender='org.bluez',interface='org.bluez.AudioSource',member='PropertyChanged'",
1541 "type='signal',sender='org.bluez',interface='org.bluez.HandsfreeGateway',member='PropertyChanged'",
1542 "type='signal',sender='org.bluez',interface='org.bluez.MediaTransport',member='PropertyChanged'",
1543 NULL);
1544
1545 if (y->filter_added)
1546 dbus_connection_remove_filter(pa_dbus_connection_get(y->connection), filter_cb, y);
1547
1548 pa_dbus_connection_unref(y->connection);
1549 }
1550
1551 pa_hook_done(&y->hook);
1552
1553 if (y->core)
1554 pa_shared_remove(y->core, "bluetooth-discovery");
1555
1556 pa_xfree(y);
1557 }
1558
1559 void pa_bluetooth_discovery_sync(pa_bluetooth_discovery *y) {
1560 pa_assert(y);
1561 pa_assert(PA_REFCNT_VALUE(y) > 0);
1562
1563 pa_dbus_sync_pending_list(&y->pending);
1564 }
1565
1566 pa_hook* pa_bluetooth_discovery_hook(pa_bluetooth_discovery *y) {
1567 pa_assert(y);
1568 pa_assert(PA_REFCNT_VALUE(y) > 0);
1569
1570 return &y->hook;
1571 }
1572
1573 const char*pa_bluetooth_get_form_factor(uint32_t class) {
1574 unsigned i;
1575 const char *r;
1576
1577 static const char * const table[] = {
1578 [1] = "headset",
1579 [2] = "hands-free",
1580 [4] = "microphone",
1581 [5] = "speaker",
1582 [6] = "headphone",
1583 [7] = "portable",
1584 [8] = "car",
1585 [10] = "hifi"
1586 };
1587
1588 if (((class >> 8) & 31) != 4)
1589 return NULL;
1590
1591 if ((i = (class >> 2) & 63) > PA_ELEMENTSOF(table))
1592 r = NULL;
1593 else
1594 r = table[i];
1595
1596 if (!r)
1597 pa_log_debug("Unknown Bluetooth minor device class %u", i);
1598
1599 return r;
1600 }
1601
1602 char *pa_bluetooth_cleanup_name(const char *name) {
1603 char *t, *s, *d;
1604 pa_bool_t space = FALSE;
1605
1606 pa_assert(name);
1607
1608 while ((*name >= 1 && *name <= 32) || *name >= 127)
1609 name++;
1610
1611 t = pa_xstrdup(name);
1612
1613 for (s = d = t; *s; s++) {
1614
1615 if (*s <= 32 || *s >= 127 || *s == '_') {
1616 space = TRUE;
1617 continue;
1618 }
1619
1620 if (space) {
1621 *(d++) = ' ';
1622 space = FALSE;
1623 }
1624
1625 *(d++) = *s;
1626 }
1627
1628 *d = 0;
1629
1630 return t;
1631 }
1632
1633 pa_bool_t pa_bluetooth_uuid_has(pa_bluetooth_uuid *uuids, const char *uuid) {
1634 pa_assert(uuid);
1635
1636 while (uuids) {
1637 if (strcasecmp(uuids->uuid, uuid) == 0)
1638 return TRUE;
1639
1640 uuids = uuids->next;
1641 }
1642
1643 return FALSE;
1644 }