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audio/media.c
 
1
/*
 
2
 *
 
3
 *  BlueZ - Bluetooth protocol stack for Linux
 
4
 *
 
5
 *  Copyright (C) 2006-2007  Nokia Corporation
 
6
 *  Copyright (C) 2004-2009  Marcel Holtmann <marcel@holtmann.org>
 
7
 *
 
8
 *
 
9
 *  This program is free software; you can redistribute it and/or modify
 
10
 *  it under the terms of the GNU General Public License as published by
 
11
 *  the Free Software Foundation; either version 2 of the License, or
 
12
 *  (at your option) any later version.
 
13
 *
 
14
 *  This program is distributed in the hope that it will be useful,
 
15
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 
16
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
17
 *  GNU General Public License for more details.
 
18
 *
 
19
 *  You should have received a copy of the GNU General Public License
 
20
 *  along with this program; if not, write to the Free Software
 
21
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
22
 *
 
23
 */
 
24
 
 
25
#ifdef HAVE_CONFIG_H
 
26
#include <config.h>
 
27
#endif
 
28
 
 
29
#include <errno.h>
 
30
 
 
31
#include <glib.h>
 
32
#include <gdbus.h>
 
33
 
 
34
#include "../src/adapter.h"
 
35
#include "../src/dbus-common.h"
 
36
 
 
37
#include "log.h"
 
38
#include "error.h"
 
39
#include "device.h"
 
40
#include "avdtp.h"
 
41
#include "media.h"
 
42
#include "transport.h"
 
43
#include "a2dp.h"
 
44
#include "headset.h"
 
45
 
 
46
#ifndef DBUS_TYPE_UNIX_FD
 
47
#define DBUS_TYPE_UNIX_FD -1
 
48
#endif
 
49
 
 
50
#define MEDIA_INTERFACE "org.bluez.Media"
 
51
#define MEDIA_ENDPOINT_INTERFACE "org.bluez.MediaEndpoint"
 
52
 
 
53
#define REQUEST_TIMEOUT (3 * 1000)              /* 3 seconds */
 
54
 
 
55
struct media_adapter {
 
56
        bdaddr_t                src;            /* Adapter address */
 
57
        char                    *path;          /* Adapter path */
 
58
        DBusConnection          *conn;          /* Adapter connection */
 
59
        GSList                  *endpoints;     /* Endpoints list */
 
60
};
 
61
 
 
62
struct endpoint_request {
 
63
        DBusMessage             *msg;
 
64
        DBusPendingCall         *call;
 
65
        media_endpoint_cb_t     cb;
 
66
        void                    *user_data;
 
67
};
 
68
 
 
69
struct media_endpoint {
 
70
        struct a2dp_sep         *sep;
 
71
        char                    *sender;        /* Endpoint DBus bus id */
 
72
        char                    *path;          /* Endpoint object path */
 
73
        char                    *uuid;          /* Endpoint property UUID */
 
74
        uint8_t                 codec;          /* Endpoint codec */
 
75
        uint8_t                 *capabilities;  /* Endpoint property capabilities */
 
76
        size_t                  size;           /* Endpoint capabilities size */
 
77
        guint                   hs_watch;
 
78
        guint                   watch;
 
79
        struct endpoint_request *request;
 
80
        struct media_transport  *transport;
 
81
        struct media_adapter    *adapter;
 
82
};
 
83
 
 
84
static GSList *adapters = NULL;
 
85
 
 
86
static void endpoint_request_free(struct endpoint_request *request)
 
87
{
 
88
        if (request->call)
 
89
                dbus_pending_call_cancel(request->call);
 
90
 
 
91
        dbus_message_unref(request->msg);
 
92
        g_free(request);
 
93
}
 
94
 
 
95
static void media_endpoint_remove(struct media_endpoint *endpoint)
 
96
{
 
97
        struct media_adapter *adapter = endpoint->adapter;
 
98
 
 
99
        info("Endpoint unregistered: sender=%s path=%s", endpoint->sender,
 
100
                        endpoint->path);
 
101
 
 
102
        adapter->endpoints = g_slist_remove(adapter->endpoints, endpoint);
 
103
 
 
104
        if (endpoint->sep)
 
105
                a2dp_remove_sep(endpoint->sep);
 
106
 
 
107
        if (endpoint->hs_watch)
 
108
                headset_remove_state_cb(endpoint->hs_watch);
 
109
 
 
110
        if (endpoint->request)
 
111
                endpoint_request_free(endpoint->request);
 
112
 
 
113
        if (endpoint->transport)
 
114
                media_transport_remove(endpoint->transport);
 
115
 
 
116
        g_dbus_remove_watch(adapter->conn, endpoint->watch);
 
117
        g_free(endpoint->capabilities);
 
118
        g_free(endpoint->sender);
 
119
        g_free(endpoint->path);
 
120
        g_free(endpoint->uuid);
 
121
        g_free(endpoint);
 
122
}
 
123
 
 
124
static void media_endpoint_exit(DBusConnection *connection, void *user_data)
 
125
{
 
126
        struct media_endpoint *endpoint = user_data;
 
127
 
 
128
        endpoint->watch = 0;
 
129
        media_endpoint_remove(endpoint);
 
130
}
 
131
 
 
132
static void headset_setconf_cb(struct media_endpoint *endpoint, void *ret,
 
133
                                                int size, void *user_data)
 
134
{
 
135
        struct audio_device *dev = user_data;
 
136
 
 
137
        if (ret != NULL)
 
138
                return;
 
139
 
 
140
        headset_set_state(dev, HEADSET_STATE_DISCONNECTED);
 
141
}
 
142
 
 
143
static void headset_state_changed(struct audio_device *dev,
 
144
                                        headset_state_t old_state,
 
145
                                        headset_state_t new_state,
 
146
                                        void *user_data)
 
147
{
 
148
        struct media_endpoint *endpoint = user_data;
 
149
 
 
150
        DBG("");
 
151
 
 
152
        switch (new_state) {
 
153
        case HEADSET_STATE_DISCONNECTED:
 
154
                if (old_state != HEADSET_STATE_CONNECTING)
 
155
                        media_endpoint_clear_configuration(endpoint);
 
156
        case HEADSET_STATE_CONNECTING:
 
157
                break;
 
158
        case HEADSET_STATE_CONNECTED:
 
159
                if (old_state != HEADSET_STATE_PLAY_IN_PROGRESS &&
 
160
                                old_state != HEADSET_STATE_PLAYING)
 
161
                        media_endpoint_set_configuration(endpoint, dev, NULL,
 
162
                                                        0, headset_setconf_cb,
 
163
                                                                        dev);
 
164
                break;
 
165
        case HEADSET_STATE_PLAY_IN_PROGRESS:
 
166
                break;
 
167
        case HEADSET_STATE_PLAYING:
 
168
                break;
 
169
        }
 
170
}
 
171
 
 
172
static struct media_endpoint *media_endpoint_create(struct media_adapter *adapter,
 
173
                                                const char *sender,
 
174
                                                const char *path,
 
175
                                                const char *uuid,
 
176
                                                gboolean delay_reporting,
 
177
                                                uint8_t codec,
 
178
                                                uint8_t *capabilities,
 
179
                                                int size)
 
180
{
 
181
        struct media_endpoint *endpoint;
 
182
 
 
183
        endpoint = g_new0(struct media_endpoint, 1);
 
184
        endpoint->sender = g_strdup(sender);
 
185
        endpoint->path = g_strdup(path);
 
186
        endpoint->uuid = g_strdup(uuid);
 
187
        endpoint->codec = codec;
 
188
        endpoint->capabilities = g_new(uint8_t, size);
 
189
        memcpy(endpoint->capabilities, capabilities, size);
 
190
        endpoint->size = size;
 
191
        endpoint->adapter = adapter;
 
192
 
 
193
        if (strcasecmp(uuid, A2DP_SOURCE_UUID) == 0) {
 
194
                endpoint->sep = a2dp_add_sep(&adapter->src,
 
195
                                        AVDTP_SEP_TYPE_SOURCE, codec,
 
196
                                        delay_reporting, endpoint);
 
197
                if (endpoint->sep == NULL)
 
198
                        goto failed;
 
199
        } else if (strcasecmp(uuid, A2DP_SINK_UUID) == 0) {
 
200
                endpoint->sep = a2dp_add_sep(&adapter->src,
 
201
                                                AVDTP_SEP_TYPE_SINK, codec,
 
202
                                                delay_reporting, endpoint);
 
203
                if (endpoint->sep == NULL)
 
204
                        goto failed;
 
205
        } else if (strcasecmp(uuid, HFP_AG_UUID) == 0 ||
 
206
                                        g_strcmp0(uuid, HSP_AG_UUID) == 0)
 
207
                endpoint->hs_watch = headset_add_state_cb(headset_state_changed,
 
208
                                                                endpoint);
 
209
        else
 
210
                goto failed;
 
211
 
 
212
        endpoint->watch = g_dbus_add_disconnect_watch(adapter->conn, sender,
 
213
                                                media_endpoint_exit, endpoint,
 
214
                                                NULL);
 
215
 
 
216
        adapter->endpoints = g_slist_append(adapter->endpoints, endpoint);
 
217
        info("Endpoint registered: sender=%s path=%s", sender, path);
 
218
 
 
219
        return endpoint;
 
220
 
 
221
failed:
 
222
        g_free(endpoint);
 
223
        return NULL;
 
224
}
 
225
 
 
226
static struct media_endpoint *media_adapter_find_endpoint(
 
227
                                                struct media_adapter *adapter,
 
228
                                                const char *sender,
 
229
                                                const char *path,
 
230
                                                const char *uuid)
 
231
{
 
232
        GSList *l;
 
233
 
 
234
        for (l = adapter->endpoints; l; l = l->next) {
 
235
                struct media_endpoint *endpoint = l->data;
 
236
 
 
237
                if (sender && g_strcmp0(endpoint->sender, sender) != 0)
 
238
                        continue;
 
239
 
 
240
                if (path && g_strcmp0(endpoint->path, path) != 0)
 
241
                        continue;
 
242
 
 
243
                if (uuid && g_strcmp0(endpoint->uuid, uuid) != 0)
 
244
                        continue;
 
245
 
 
246
                return endpoint;
 
247
        }
 
248
 
 
249
        return NULL;
 
250
}
 
251
 
 
252
const char *media_endpoint_get_sender(struct media_endpoint *endpoint)
 
253
{
 
254
        return endpoint->sender;
 
255
}
 
256
 
 
257
static int parse_properties(DBusMessageIter *props, const char **uuid,
 
258
                                gboolean *delay_reporting, uint8_t *codec,
 
259
                                uint8_t **capabilities, int *size)
 
260
{
 
261
        while (dbus_message_iter_get_arg_type(props) == DBUS_TYPE_DICT_ENTRY) {
 
262
                const char *key;
 
263
                DBusMessageIter value, entry;
 
264
                int var;
 
265
 
 
266
                dbus_message_iter_recurse(props, &entry);
 
267
                dbus_message_iter_get_basic(&entry, &key);
 
268
 
 
269
                dbus_message_iter_next(&entry);
 
270
                dbus_message_iter_recurse(&entry, &value);
 
271
 
 
272
                var = dbus_message_iter_get_arg_type(&value);
 
273
                if (strcasecmp(key, "UUID") == 0) {
 
274
                        if (var != DBUS_TYPE_STRING)
 
275
                                return -EINVAL;
 
276
                        dbus_message_iter_get_basic(&value, uuid);
 
277
                } else if (strcasecmp(key, "Codec") == 0) {
 
278
                        if (var != DBUS_TYPE_BYTE)
 
279
                                return -EINVAL;
 
280
                        dbus_message_iter_get_basic(&value, codec);
 
281
                } else if (strcasecmp(key, "DelayReporting") == 0) {
 
282
                        if (var != DBUS_TYPE_BOOLEAN)
 
283
                                return -EINVAL;
 
284
                        dbus_message_iter_get_basic(&value, delay_reporting);
 
285
                } else if (strcasecmp(key, "Capabilities") == 0) {
 
286
                        DBusMessageIter array;
 
287
 
 
288
                        if (var != DBUS_TYPE_ARRAY)
 
289
                                return -EINVAL;
 
290
 
 
291
                        dbus_message_iter_recurse(&value, &array);
 
292
                        dbus_message_iter_get_fixed_array(&array, capabilities,
 
293
                                                        size);
 
294
                }
 
295
 
 
296
                dbus_message_iter_next(props);
 
297
        }
 
298
 
 
299
        return 0;
 
300
}
 
301
 
 
302
static DBusMessage *register_endpoint(DBusConnection *conn, DBusMessage *msg,
 
303
                                        void *data)
 
304
{
 
305
        struct media_adapter *adapter = data;
 
306
        DBusMessageIter args, props;
 
307
        const char *sender, *path, *uuid = NULL;
 
308
        gboolean delay_reporting;
 
309
        uint8_t codec;
 
310
        uint8_t *capabilities;
 
311
        int size;
 
312
 
 
313
        sender = dbus_message_get_sender(msg);
 
314
 
 
315
        dbus_message_iter_init(msg, &args);
 
316
 
 
317
        dbus_message_iter_get_basic(&args, &path);
 
318
        dbus_message_iter_next(&args);
 
319
 
 
320
        if (media_adapter_find_endpoint(adapter, sender, path, NULL) != NULL)
 
321
                return g_dbus_create_error(msg, ERROR_INTERFACE ".Failed",
 
322
                                "Endpoint already registered");
 
323
 
 
324
        dbus_message_iter_recurse(&args, &props);
 
325
        if (dbus_message_iter_get_arg_type(&props) != DBUS_TYPE_DICT_ENTRY)
 
326
                return g_dbus_create_error(msg, ERROR_INTERFACE
 
327
                                        ".Failed", "Invalid argument");
 
328
 
 
329
        if (parse_properties(&props, &uuid, &delay_reporting, &codec,
 
330
                                &capabilities, &size) || uuid == NULL)
 
331
                return g_dbus_create_error(msg, ERROR_INTERFACE ".Failed",
 
332
                                                "Invalid argument");
 
333
 
 
334
        if (media_endpoint_create(adapter, sender, path, uuid, delay_reporting,
 
335
                                codec, capabilities, size) == FALSE)
 
336
                return g_dbus_create_error(msg, ERROR_INTERFACE ".Failed",
 
337
                                                "Invalid argument");
 
338
 
 
339
        return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 
340
}
 
341
 
 
342
static DBusMessage *unregister_endpoint(DBusConnection *conn, DBusMessage *msg,
 
343
                                        void *data)
 
344
{
 
345
        struct media_adapter *adapter = data;
 
346
        struct media_endpoint *endpoint;
 
347
        const char *sender, *path;
 
348
 
 
349
        if (!dbus_message_get_args(msg, NULL,
 
350
                                DBUS_TYPE_OBJECT_PATH, &path,
 
351
                                DBUS_TYPE_INVALID))
 
352
                return NULL;
 
353
 
 
354
        sender = dbus_message_get_sender(msg);
 
355
 
 
356
        endpoint = media_adapter_find_endpoint(adapter, sender, path, NULL);
 
357
        if (endpoint == NULL)
 
358
                return g_dbus_create_error(msg, ERROR_INTERFACE ".Failed",
 
359
                                "Endpoint not registered");
 
360
 
 
361
        media_endpoint_remove(endpoint);
 
362
 
 
363
        return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 
364
}
 
365
 
 
366
static GDBusMethodTable media_methods[] = {
 
367
        { "RegisterEndpoint",   "oa{sv}",       "",     register_endpoint },
 
368
        { "UnregisterEndpoint", "o",            "",     unregister_endpoint },
 
369
        { },
 
370
};
 
371
 
 
372
static void path_free(void *data)
 
373
{
 
374
        struct media_adapter *adapter = data;
 
375
 
 
376
        g_slist_foreach(adapter->endpoints, (GFunc) media_endpoint_release,
 
377
                                                                        NULL);
 
378
        g_slist_free(adapter->endpoints);
 
379
 
 
380
        dbus_connection_unref(adapter->conn);
 
381
 
 
382
        adapters = g_slist_remove(adapters, adapter);
 
383
 
 
384
        g_free(adapter->path);
 
385
        g_free(adapter);
 
386
}
 
387
 
 
388
int media_register(DBusConnection *conn, const char *path, const bdaddr_t *src)
 
389
{
 
390
        struct media_adapter *adapter;
 
391
 
 
392
        if (DBUS_TYPE_UNIX_FD < 0)
 
393
                return -EPERM;
 
394
 
 
395
        adapter = g_new0(struct media_adapter, 1);
 
396
        adapter->conn = dbus_connection_ref(conn);
 
397
        bacpy(&adapter->src, src);
 
398
        adapter->path = g_strdup(path);
 
399
 
 
400
        if (!g_dbus_register_interface(conn, path, MEDIA_INTERFACE,
 
401
                                        media_methods, NULL, NULL,
 
402
                                        adapter, path_free)) {
 
403
                error("D-Bus failed to register %s path", path);
 
404
                path_free(adapter);
 
405
                return -1;
 
406
        }
 
407
 
 
408
        adapters = g_slist_append(adapters, adapter);
 
409
 
 
410
        return 0;
 
411
}
 
412
 
 
413
void media_unregister(const char *path)
 
414
{
 
415
        GSList *l;
 
416
 
 
417
        for (l = adapters; l; l = l->next) {
 
418
                struct media_adapter *adapter = l->data;
 
419
 
 
420
                if (g_strcmp0(path, adapter->path) == 0) {
 
421
                        g_dbus_unregister_interface(adapter->conn, path,
 
422
                                                        MEDIA_INTERFACE);
 
423
                        return;
 
424
                }
 
425
        }
 
426
}
 
427
 
 
428
size_t media_endpoint_get_capabilities(struct media_endpoint *endpoint,
 
429
                                        uint8_t **capabilities)
 
430
{
 
431
        *capabilities = endpoint->capabilities;
 
432
        return endpoint->size;
 
433
}
 
434
 
 
435
static void endpoint_reply(DBusPendingCall *call, void *user_data)
 
436
{
 
437
        struct media_endpoint *endpoint = user_data;
 
438
        struct endpoint_request *request = endpoint->request;
 
439
        DBusMessage *reply;
 
440
        DBusError err;
 
441
        gboolean value;
 
442
        void *ret = NULL;
 
443
        int size = -1;
 
444
 
 
445
        /* steal_reply will always return non-NULL since the callback
 
446
         * is only called after a reply has been received */
 
447
        reply = dbus_pending_call_steal_reply(call);
 
448
 
 
449
        dbus_error_init(&err);
 
450
        if (dbus_set_error_from_message(&err, reply)) {
 
451
                error("Endpoint replied with an error: %s",
 
452
                                err.name);
 
453
 
 
454
                /* Clear endpoint configuration in case of NO_REPLY error */
 
455
                if (dbus_error_has_name(&err, DBUS_ERROR_NO_REPLY)) {
 
456
                        if (request->cb)
 
457
                                request->cb(endpoint, NULL, size,
 
458
                                                        request->user_data);
 
459
                        media_endpoint_clear_configuration(endpoint);
 
460
                        dbus_message_unref(reply);
 
461
                        dbus_error_free(&err);
 
462
                        return;
 
463
                }
 
464
 
 
465
                dbus_error_free(&err);
 
466
                goto done;
 
467
        }
 
468
 
 
469
        dbus_error_init(&err);
 
470
        if (dbus_message_is_method_call(request->msg, MEDIA_ENDPOINT_INTERFACE,
 
471
                                "SelectConfiguration")) {
 
472
                DBusMessageIter args, array;
 
473
                uint8_t *configuration;
 
474
 
 
475
                dbus_message_iter_init(reply, &args);
 
476
 
 
477
                dbus_message_iter_recurse(&args, &array);
 
478
 
 
479
                dbus_message_iter_get_fixed_array(&array, &configuration, &size);
 
480
 
 
481
                ret = configuration;
 
482
                goto done;
 
483
        } else  if (!dbus_message_get_args(reply, &err, DBUS_TYPE_INVALID)) {
 
484
                error("Wrong reply signature: %s", err.message);
 
485
                dbus_error_free(&err);
 
486
                goto done;
 
487
        }
 
488
 
 
489
        size = 1;
 
490
        value = TRUE;
 
491
        ret = &value;
 
492
 
 
493
done:
 
494
        dbus_message_unref(reply);
 
495
 
 
496
        if (request->cb)
 
497
                request->cb(endpoint, ret, size, request->user_data);
 
498
 
 
499
        endpoint_request_free(request);
 
500
        endpoint->request = NULL;
 
501
}
 
502
 
 
503
static gboolean media_endpoint_async_call(DBusConnection *conn,
 
504
                                        DBusMessage *msg,
 
505
                                        struct media_endpoint *endpoint,
 
506
                                        media_endpoint_cb_t cb,
 
507
                                        void *user_data)
 
508
{
 
509
        struct endpoint_request *request;
 
510
 
 
511
        if (endpoint->request)
 
512
                return FALSE;
 
513
 
 
514
        request = g_new0(struct endpoint_request, 1);
 
515
 
 
516
        /* Timeout should be less than avdtp request timeout (4 seconds) */
 
517
        if (dbus_connection_send_with_reply(conn, msg, &request->call,
 
518
                                                REQUEST_TIMEOUT) == FALSE) {
 
519
                error("D-Bus send failed");
 
520
                g_free(request);
 
521
                return FALSE;
 
522
        }
 
523
 
 
524
        dbus_pending_call_set_notify(request->call, endpoint_reply, endpoint, NULL);
 
525
 
 
526
        request->msg = msg;
 
527
        request->cb = cb;
 
528
        request->user_data = user_data;
 
529
        endpoint->request = request;
 
530
 
 
531
        DBG("Calling %s: name = %s path = %s", dbus_message_get_member(msg),
 
532
                        dbus_message_get_destination(msg),
 
533
                        dbus_message_get_path(msg));
 
534
 
 
535
        return TRUE;
 
536
}
 
537
 
 
538
gboolean media_endpoint_set_configuration(struct media_endpoint *endpoint,
 
539
                                        struct audio_device *device,
 
540
                                        uint8_t *configuration, size_t size,
 
541
                                        media_endpoint_cb_t cb,
 
542
                                        void *user_data)
 
543
{
 
544
        DBusConnection *conn;
 
545
        DBusMessage *msg;
 
546
        const char *path;
 
547
        DBusMessageIter iter;
 
548
 
 
549
        if (endpoint->transport != NULL || endpoint->request != NULL)
 
550
                return FALSE;
 
551
 
 
552
        conn = endpoint->adapter->conn;
 
553
 
 
554
        endpoint->transport = media_transport_create(conn, endpoint, device,
 
555
                                                configuration, size);
 
556
        if (endpoint->transport == NULL)
 
557
                return FALSE;
 
558
 
 
559
        msg = dbus_message_new_method_call(endpoint->sender, endpoint->path,
 
560
                                                MEDIA_ENDPOINT_INTERFACE,
 
561
                                                "SetConfiguration");
 
562
        if (msg == NULL) {
 
563
                error("Couldn't allocate D-Bus message");
 
564
                return FALSE;
 
565
        }
 
566
 
 
567
        dbus_message_iter_init_append(msg, &iter);
 
568
 
 
569
        path = media_transport_get_path(endpoint->transport);
 
570
        dbus_message_iter_append_basic(&iter, DBUS_TYPE_OBJECT_PATH, &path);
 
571
 
 
572
        transport_get_properties(endpoint->transport, &iter);
 
573
 
 
574
        return media_endpoint_async_call(conn, msg, endpoint, cb, user_data);
 
575
}
 
576
 
 
577
gboolean media_endpoint_select_configuration(struct media_endpoint *endpoint,
 
578
                                                uint8_t *capabilities,
 
579
                                                size_t length,
 
580
                                                media_endpoint_cb_t cb,
 
581
                                                void *user_data)
 
582
{
 
583
        DBusConnection *conn;
 
584
        DBusMessage *msg;
 
585
 
 
586
        if (endpoint->request != NULL)
 
587
                return FALSE;
 
588
 
 
589
        conn = endpoint->adapter->conn;
 
590
 
 
591
        msg = dbus_message_new_method_call(endpoint->sender, endpoint->path,
 
592
                                                MEDIA_ENDPOINT_INTERFACE,
 
593
                                                "SelectConfiguration");
 
594
        if (msg == NULL) {
 
595
                error("Couldn't allocate D-Bus message");
 
596
                return FALSE;
 
597
        }
 
598
 
 
599
        dbus_message_append_args(msg, DBUS_TYPE_ARRAY, DBUS_TYPE_BYTE,
 
600
                                        &capabilities, length,
 
601
                                        DBUS_TYPE_INVALID);
 
602
 
 
603
        return media_endpoint_async_call(conn, msg, endpoint, cb, user_data);
 
604
}
 
605
 
 
606
void media_endpoint_clear_configuration(struct media_endpoint *endpoint)
 
607
{
 
608
        DBusConnection *conn;
 
609
        DBusMessage *msg;
 
610
        const char *path;
 
611
 
 
612
        if (endpoint->transport == NULL)
 
613
                return;
 
614
 
 
615
        if (endpoint->request) {
 
616
                endpoint_request_free(endpoint->request);
 
617
                endpoint->request = NULL;
 
618
        }
 
619
 
 
620
        conn = endpoint->adapter->conn;
 
621
 
 
622
        msg = dbus_message_new_method_call(endpoint->sender, endpoint->path,
 
623
                                                MEDIA_ENDPOINT_INTERFACE,
 
624
                                                "ClearConfiguration");
 
625
        if (msg == NULL) {
 
626
                error("Couldn't allocate D-Bus message");
 
627
                goto done;
 
628
        }
 
629
 
 
630
        path = media_transport_get_path(endpoint->transport);
 
631
        dbus_message_append_args(msg, DBUS_TYPE_OBJECT_PATH, &path,
 
632
                                                        DBUS_TYPE_INVALID);
 
633
        g_dbus_send_message(conn, msg);
 
634
done:
 
635
        media_transport_remove(endpoint->transport);
 
636
        endpoint->transport = NULL;
 
637
}
 
638
 
 
639
void media_endpoint_release(struct media_endpoint *endpoint)
 
640
{
 
641
        DBusMessage *msg;
 
642
 
 
643
        DBG("sender=%s path=%s", endpoint->sender, endpoint->path);
 
644
 
 
645
        /* already exit */
 
646
        if (endpoint->watch == 0)
 
647
                return;
 
648
 
 
649
        msg = dbus_message_new_method_call(endpoint->sender, endpoint->path,
 
650
                                                MEDIA_ENDPOINT_INTERFACE,
 
651
                                                "Release");
 
652
        if (msg == NULL) {
 
653
                error("Couldn't allocate D-Bus message");
 
654
                return;
 
655
        }
 
656
 
 
657
        g_dbus_send_message(endpoint->adapter->conn, msg);
 
658
 
 
659
        media_endpoint_remove(endpoint);
 
660
}
 
661
 
 
662
struct a2dp_sep *media_endpoint_get_sep(struct media_endpoint *endpoint)
 
663
{
 
664
        return endpoint->sep;
 
665
}
 
666
 
 
667
const char *media_endpoint_get_uuid(struct media_endpoint *endpoint)
 
668
{
 
669
        return endpoint->uuid;
 
670
}
 
671
 
 
672
uint8_t media_endpoint_get_codec(struct media_endpoint *endpoint)
 
673
{
 
674
        return endpoint->codec;
 
675
}
 
676
 
 
677
struct media_transport *media_endpoint_get_transport(
 
678
                                        struct media_endpoint *endpoint)
 
679
{
 
680
        return endpoint->transport;
 
681
}