1 /******************************************************************************
2 *
3 * Copyright 2004-2012 Broadcom Corporation
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at:
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 ******************************************************************************/
18
19 /******************************************************************************
20 *
21 * This is the main implementation file for the BTA advanced audio/video.
22 *
23 ******************************************************************************/
24
25 #define LOG_TAG "bt_bta_av"
26
27 #include <base/logging.h>
28 #include <string.h>
29
30 #include "bt_target.h"
31 #include "osi/include/log.h"
32 #include "osi/include/osi.h"
33 #include "osi/include/properties.h"
34
35 #include "bta_av_co.h"
36 #include "bta_av_int.h"
37 #include "btif/include/btif_av_co.h"
38 #include "btif/include/btif_config.h"
39 #include "l2c_api.h"
40 #include "l2cdefs.h"
41 #include "utl.h"
42
43 #if (BTA_AR_INCLUDED == TRUE)
44 #include "bta_ar_api.h"
45 #endif
46
47 /*****************************************************************************
48 * Constants and types
49 ****************************************************************************/
50
51 #ifndef BTA_AV_RET_TOUT
52 #define BTA_AV_RET_TOUT 4
53 #endif
54
55 #ifndef BTA_AV_SIG_TOUT
56 #define BTA_AV_SIG_TOUT 4
57 #endif
58
59 #ifndef BTA_AV_IDLE_TOUT
60 #define BTA_AV_IDLE_TOUT 10
61 #endif
62
63 /* the delay time in milliseconds to retry role switch */
64 #ifndef BTA_AV_RS_TIME_VAL
65 #define BTA_AV_RS_TIME_VAL 1000
66 #endif
67
68 #ifndef AVRCP_VERSION_PROPERTY
69 #define AVRCP_VERSION_PROPERTY "persist.bluetooth.avrcpversion"
70 #endif
71
72 #ifndef AVRCP_1_6_STRING
73 #define AVRCP_1_6_STRING "avrcp16"
74 #endif
75
76 #ifndef AVRCP_1_5_STRING
77 #define AVRCP_1_5_STRING "avrcp15"
78 #endif
79
80 #ifndef AVRCP_1_4_STRING
81 #define AVRCP_1_4_STRING "avrcp14"
82 #endif
83
84 #ifndef AVRCP_1_3_STRING
85 #define AVRCP_1_3_STRING "avrcp13"
86 #endif
87
88 #ifndef AVRCP_DEFAULT_VERSION
89 #define AVRCP_DEFAULT_VERSION AVRCP_1_5_STRING
90 #endif
91
92 /* state machine states */
93 enum { BTA_AV_INIT_ST, BTA_AV_OPEN_ST };
94
95 /* state machine action enumeration list */
96 enum {
97 BTA_AV_DISABLE,
98 BTA_AV_RC_OPENED,
99 BTA_AV_RC_REMOTE_CMD,
100 BTA_AV_RC_VENDOR_CMD,
101 BTA_AV_RC_VENDOR_RSP,
102 BTA_AV_RC_FREE_RSP,
103 BTA_AV_RC_FREE_BROWSE_MSG,
104 BTA_AV_RC_META_RSP,
105 BTA_AV_RC_MSG,
106 BTA_AV_RC_CLOSE,
107 BTA_AV_RC_BROWSE_CLOSE,
108 BTA_AV_NUM_ACTIONS
109 };
110
111 #define BTA_AV_IGNORE BTA_AV_NUM_ACTIONS
112
113 /* type for action functions */
114 typedef void (*tBTA_AV_ACTION)(tBTA_AV_CB* p_cb, tBTA_AV_DATA* p_data);
115
116 /* action functions */
117 const tBTA_AV_ACTION bta_av_action[] = {
118 bta_av_disable,
119 bta_av_rc_opened,
120 bta_av_rc_remote_cmd,
121 bta_av_rc_vendor_cmd,
122 bta_av_rc_vendor_rsp,
123 bta_av_rc_free_rsp,
124 bta_av_rc_free_browse_msg,
125 bta_av_rc_meta_rsp,
126 bta_av_rc_msg,
127 bta_av_rc_close,
128 };
129
130 /* state table information */
131 #define BTA_AV_ACTION_COL 0 /* position of actions */
132 #define BTA_AV_NEXT_STATE 1 /* position of next state */
133 #define BTA_AV_NUM_COLS 2 /* number of columns in state tables */
134
135 /* state table for init state */
136 static const uint8_t bta_av_st_init[][BTA_AV_NUM_COLS] = {
137 /* Event Action 1 Next state */
138 /* API_DISABLE_EVT */ {BTA_AV_DISABLE, BTA_AV_INIT_ST},
139 /* API_REMOTE_CMD_EVT */ {BTA_AV_IGNORE, BTA_AV_INIT_ST},
140 /* API_VENDOR_CMD_EVT */ {BTA_AV_IGNORE, BTA_AV_INIT_ST},
141 /* API_VENDOR_RSP_EVT */ {BTA_AV_IGNORE, BTA_AV_INIT_ST},
142 /* API_META_RSP_EVT */ {BTA_AV_RC_FREE_RSP, BTA_AV_INIT_ST},
143 /* API_RC_CLOSE_EVT */ {BTA_AV_IGNORE, BTA_AV_INIT_ST},
144 /* AVRC_OPEN_EVT */ {BTA_AV_RC_OPENED, BTA_AV_OPEN_ST},
145 /* AVRC_MSG_EVT */ {BTA_AV_RC_FREE_BROWSE_MSG, BTA_AV_INIT_ST},
146 /* AVRC_NONE_EVT */ {BTA_AV_IGNORE, BTA_AV_INIT_ST},
147 };
148
149 /* state table for open state */
150 static const uint8_t bta_av_st_open[][BTA_AV_NUM_COLS] = {
151 /* Event Action 1 Next state */
152 /* API_DISABLE_EVT */ {BTA_AV_DISABLE, BTA_AV_INIT_ST},
153 /* API_REMOTE_CMD_EVT */ {BTA_AV_RC_REMOTE_CMD, BTA_AV_OPEN_ST},
154 /* API_VENDOR_CMD_EVT */ {BTA_AV_RC_VENDOR_CMD, BTA_AV_OPEN_ST},
155 /* API_VENDOR_RSP_EVT */ {BTA_AV_RC_VENDOR_RSP, BTA_AV_OPEN_ST},
156 /* API_META_RSP_EVT */ {BTA_AV_RC_META_RSP, BTA_AV_OPEN_ST},
157 /* API_RC_CLOSE_EVT */ {BTA_AV_RC_CLOSE, BTA_AV_OPEN_ST},
158 /* AVRC_OPEN_EVT */ {BTA_AV_RC_OPENED, BTA_AV_OPEN_ST},
159 /* AVRC_MSG_EVT */ {BTA_AV_RC_MSG, BTA_AV_OPEN_ST},
160 /* AVRC_NONE_EVT */ {BTA_AV_IGNORE, BTA_AV_INIT_ST},
161 };
162
163 /* type for state table */
164 typedef const uint8_t (*tBTA_AV_ST_TBL)[BTA_AV_NUM_COLS];
165
166 /* state table */
167 static const tBTA_AV_ST_TBL bta_av_st_tbl[] = {bta_av_st_init, bta_av_st_open};
168
169 typedef void (*tBTA_AV_NSM_ACT)(tBTA_AV_DATA* p_data);
170 static void bta_av_api_enable(tBTA_AV_DATA* p_data);
171 static void bta_av_api_register(tBTA_AV_DATA* p_data);
172 static void bta_av_ci_data(tBTA_AV_DATA* p_data);
173 static void bta_av_rpc_conn(tBTA_AV_DATA* p_data);
174 static void bta_av_api_to_ssm(tBTA_AV_DATA* p_data);
175
176 static void bta_av_sco_chg_cback(tBTA_SYS_CONN_STATUS status, uint8_t id,
177 uint8_t app_id, const RawAddress& peer_addr);
178 static void bta_av_sys_rs_cback(tBTA_SYS_CONN_STATUS status, uint8_t id,
179 uint8_t app_id, const RawAddress& peer_addr);
180
181 /* action functions */
182 const tBTA_AV_NSM_ACT bta_av_nsm_act[] = {
183 bta_av_api_enable, /* BTA_AV_API_ENABLE_EVT */
184 bta_av_api_register, /* BTA_AV_API_REGISTER_EVT */
185 bta_av_api_deregister, /* BTA_AV_API_DEREGISTER_EVT */
186 bta_av_api_disconnect, /* BTA_AV_API_DISCONNECT_EVT */
187 bta_av_ci_data, /* BTA_AV_CI_SRC_DATA_READY_EVT */
188 bta_av_sig_chg, /* BTA_AV_SIG_CHG_EVT */
189 bta_av_signalling_timer, /* BTA_AV_SIGNALLING_TIMER_EVT */
190 bta_av_rc_disc_done, /* BTA_AV_SDP_AVRC_DISC_EVT */
191 bta_av_rc_closed, /* BTA_AV_AVRC_CLOSE_EVT */
192 bta_av_rc_browse_opened, /* BTA_AV_AVRC_BROWSE_OPEN_EVT */
193 bta_av_rc_browse_closed, /* BTA_AV_AVRC_BROWSE_CLOSE_EVT */
194 bta_av_conn_chg, /* BTA_AV_CONN_CHG_EVT */
195 bta_av_dereg_comp, /* BTA_AV_DEREG_COMP_EVT */
196 bta_av_rpc_conn, /* BTA_AV_AVDT_RPT_CONN_EVT */
197 bta_av_api_to_ssm, /* BTA_AV_API_START_EVT */
198 bta_av_api_to_ssm, /* BTA_AV_API_STOP_EVT */
199 };
200
201 /*****************************************************************************
202 * Global data
203 ****************************************************************************/
204
205 /* AV control block */
206 tBTA_AV_CB bta_av_cb = {};
207
208 static const char* bta_av_st_code(uint8_t state);
209
210 /*******************************************************************************
211 *
212 * Function bta_av_api_enable
213 *
214 * Description Handle an API enable event.
215 *
216 *
217 * Returns void
218 *
219 ******************************************************************************/
bta_av_api_enable(tBTA_AV_DATA * p_data)220 static void bta_av_api_enable(tBTA_AV_DATA* p_data) {
221 if (bta_av_cb.disabling) {
222 APPL_TRACE_WARNING(
223 "%s: previous (reg_audio=%#x) is still disabling (attempts=%d)",
224 __func__, bta_av_cb.reg_audio, bta_av_cb.enabling_attempts);
225 if (++bta_av_cb.enabling_attempts <= kEnablingAttemptsCountMaximum) {
226 tBTA_AV_API_ENABLE* p_buf =
227 (tBTA_AV_API_ENABLE*)osi_malloc(sizeof(tBTA_AV_API_ENABLE));
228 memcpy(p_buf, &p_data->api_enable, sizeof(tBTA_AV_API_ENABLE));
229 bta_sys_sendmsg_delayed(p_buf, base::TimeDelta::FromMilliseconds(
230 kEnablingAttemptsIntervalMs));
231 return;
232 }
233 if (bta_av_cb.sdp_a2dp_handle) {
234 SDP_DeleteRecord(bta_av_cb.sdp_a2dp_handle);
235 bta_sys_remove_uuid(UUID_SERVCLASS_AUDIO_SOURCE);
236 }
237 #if (BTA_AV_SINK_INCLUDED == TRUE)
238 if (bta_av_cb.sdp_a2dp_snk_handle) {
239 SDP_DeleteRecord(bta_av_cb.sdp_a2dp_snk_handle);
240 bta_sys_remove_uuid(UUID_SERVCLASS_AUDIO_SINK);
241 }
242 #endif
243 #if (BTA_AR_INCLUDED == TRUE)
244 // deregister from AVDT
245 bta_ar_dereg_avdt(BTA_ID_AV);
246
247 // deregister from AVCT
248 bta_ar_dereg_avrc(UUID_SERVCLASS_AV_REMOTE_CONTROL, BTA_ID_AV);
249 bta_ar_dereg_avrc(UUID_SERVCLASS_AV_REM_CTRL_TARGET, BTA_ID_AV);
250 bta_ar_dereg_avct(BTA_ID_AV);
251 #endif
252 }
253
254 /* initialize control block */
255 memset(&bta_av_cb, 0, sizeof(tBTA_AV_CB));
256
257 for (int i = 0; i < BTA_AV_NUM_RCB; i++)
258 bta_av_cb.rcb[i].handle = BTA_AV_RC_HANDLE_NONE;
259
260 bta_av_cb.rc_acp_handle = BTA_AV_RC_HANDLE_NONE;
261
262 /*
263 * TODO: The "disable" event handling is missing - there we need
264 * to alarm_free() the alarms below.
265 */
266 bta_av_cb.link_signalling_timer = alarm_new("bta_av.link_signalling_timer");
267 bta_av_cb.accept_signalling_timer =
268 alarm_new("bta_av.accept_signalling_timer");
269
270 /* store parameters */
271 bta_av_cb.p_cback = p_data->api_enable.p_cback;
272 bta_av_cb.features = p_data->api_enable.features;
273 bta_av_cb.sec_mask = p_data->api_enable.sec_mask;
274
275 tBTA_AV_ENABLE enable;
276 enable.features = bta_av_cb.features;
277
278 /* Register for SCO change event */
279 bta_sys_sco_register(bta_av_sco_chg_cback);
280
281 /* call callback with enable event */
282 tBTA_AV bta_av_data;
283 bta_av_data.enable = enable;
284 (*bta_av_cb.p_cback)(BTA_AV_ENABLE_EVT, &bta_av_data);
285 }
286
287 /*******************************************************************************
288 *
289 * Function bta_av_addr_to_scb
290 *
291 * Description find the stream control block by the peer addr
292 *
293 * Returns void
294 *
295 ******************************************************************************/
bta_av_addr_to_scb(const RawAddress & bd_addr)296 tBTA_AV_SCB* bta_av_addr_to_scb(const RawAddress& bd_addr) {
297 tBTA_AV_SCB* p_scb = NULL;
298 int xx;
299
300 for (xx = 0; xx < BTA_AV_NUM_STRS; xx++) {
301 if (bta_av_cb.p_scb[xx]) {
302 if (bd_addr == bta_av_cb.p_scb[xx]->PeerAddress()) {
303 p_scb = bta_av_cb.p_scb[xx];
304 break;
305 }
306 }
307 }
308 return p_scb;
309 }
310
BTA_AvObtainPeerChannelIndex(const RawAddress & peer_address)311 int BTA_AvObtainPeerChannelIndex(const RawAddress& peer_address) {
312 // Find the entry for the peer (if exists)
313 tBTA_AV_SCB* p_scb = bta_av_addr_to_scb(peer_address);
314 if (p_scb != nullptr) {
315 return p_scb->hdi;
316 }
317
318 // Find the index for an entry that is not used
319 for (int index = 0; index < BTA_AV_NUM_STRS; index++) {
320 tBTA_AV_SCB* p_scb = bta_av_cb.p_scb[index];
321 if (p_scb == nullptr) {
322 continue;
323 }
324 if (p_scb->PeerAddress().IsEmpty()) {
325 return p_scb->hdi;
326 }
327 }
328
329 return -1;
330 }
331
332 /*******************************************************************************
333 *
334 * Function bta_av_hndl_to_scb
335 *
336 * Description find the stream control block by the handle
337 *
338 * Returns void
339 *
340 ******************************************************************************/
bta_av_hndl_to_scb(uint16_t handle)341 tBTA_AV_SCB* bta_av_hndl_to_scb(uint16_t handle) {
342 tBTA_AV_HNDL hndl = (tBTA_AV_HNDL)handle;
343 tBTA_AV_SCB* p_scb = NULL;
344 uint8_t idx = (hndl & BTA_AV_HNDL_MSK);
345
346 if (idx && (idx <= BTA_AV_NUM_STRS)) {
347 p_scb = bta_av_cb.p_scb[idx - 1];
348 }
349 return p_scb;
350 }
351
352 /*******************************************************************************
353 *
354 * Function bta_av_alloc_scb
355 *
356 * Description allocate stream control block,
357 * register the service to stack
358 * create SDP record
359 *
360 * Returns void
361 *
362 ******************************************************************************/
bta_av_alloc_scb(tBTA_AV_CHNL chnl)363 static tBTA_AV_SCB* bta_av_alloc_scb(tBTA_AV_CHNL chnl) {
364 if (chnl != BTA_AV_CHNL_AUDIO) {
365 APPL_TRACE_ERROR("%s: bad channel: %d", __func__, chnl);
366 return nullptr;
367 }
368
369 for (int xx = 0; xx < BTA_AV_NUM_STRS; xx++) {
370 if (bta_av_cb.p_scb[xx] != nullptr) continue;
371 // Found an empty spot
372 // TODO: After tBTA_AV_SCB is changed to a proper class, the entry
373 // here should be allocated by C++ 'new' statement.
374 tBTA_AV_SCB* p_ret = (tBTA_AV_SCB*)osi_calloc(sizeof(tBTA_AV_SCB));
375 p_ret->rc_handle = BTA_AV_RC_HANDLE_NONE;
376 p_ret->chnl = chnl;
377 p_ret->hndl = (tBTA_AV_HNDL)((xx + 1) | chnl);
378 p_ret->hdi = xx;
379 p_ret->a2dp_list = list_new(nullptr);
380 p_ret->avrc_ct_timer = alarm_new("bta_av.avrc_ct_timer");
381 bta_av_cb.p_scb[xx] = p_ret;
382 return p_ret;
383 }
384
385 return nullptr;
386 }
387
bta_av_free_scb(tBTA_AV_SCB * p_scb)388 void bta_av_free_scb(tBTA_AV_SCB* p_scb) {
389 if (p_scb == nullptr) return;
390 uint8_t scb_index = p_scb->hdi;
391 CHECK(scb_index < BTA_AV_NUM_STRS);
392
393 CHECK(p_scb == bta_av_cb.p_scb[scb_index]);
394 bta_av_cb.p_scb[scb_index] = nullptr;
395 alarm_free(p_scb->avrc_ct_timer);
396 // TODO: After tBTA_AV_SCB is changed to a proper class, the entry
397 // here should be de-allocated by C++ 'delete' statement.
398 osi_free(p_scb);
399 }
400
OnConnected(const RawAddress & peer_address)401 void tBTA_AV_SCB::OnConnected(const RawAddress& peer_address) {
402 peer_address_ = peer_address;
403
404 if (peer_address.IsEmpty()) {
405 LOG_ERROR(LOG_TAG, "%s: Invalid peer address: %s", __func__,
406 peer_address.ToString().c_str());
407 return;
408 }
409
410 // Read and restore the AVDTP version from local storage
411 uint16_t avdtp_version = 0;
412 size_t version_value_size = sizeof(avdtp_version);
413 if (!btif_config_get_bin(peer_address_.ToString(), AVDTP_VERSION_CONFIG_KEY,
414 (uint8_t*)&avdtp_version, &version_value_size)) {
415 LOG_WARN(LOG_TAG, "%s: Failed to read cached peer AVDTP version for %s",
416 __func__, peer_address_.ToString().c_str());
417 } else {
418 SetAvdtpVersion(avdtp_version);
419 }
420 }
421
OnDisconnected()422 void tBTA_AV_SCB::OnDisconnected() {
423 peer_address_ = RawAddress::kEmpty;
424 SetAvdtpVersion(0);
425 }
426
SetAvdtpVersion(uint16_t avdtp_version)427 void tBTA_AV_SCB::SetAvdtpVersion(uint16_t avdtp_version) {
428 avdtp_version_ = avdtp_version;
429 LOG_DEBUG(LOG_TAG, "%s: AVDTP version for %s set to 0x%x", __func__,
430 peer_address_.ToString().c_str(), avdtp_version_);
431 }
432
433 /*******************************************************************************
434 ******************************************************************************/
bta_av_conn_cback(UNUSED_ATTR uint8_t handle,const RawAddress & bd_addr,uint8_t event,tAVDT_CTRL * p_data,uint8_t scb_index)435 void bta_av_conn_cback(UNUSED_ATTR uint8_t handle, const RawAddress& bd_addr,
436 uint8_t event, tAVDT_CTRL* p_data, uint8_t scb_index) {
437 uint16_t evt = 0;
438 tBTA_AV_SCB* p_scb = NULL;
439
440 #if (BTA_AR_INCLUDED == TRUE)
441 if (event == BTA_AR_AVDT_CONN_EVT || event == AVDT_CONNECT_IND_EVT ||
442 event == AVDT_DISCONNECT_IND_EVT)
443 #else
444 if (event == AVDT_CONNECT_IND_EVT || event == AVDT_DISCONNECT_IND_EVT)
445 #endif
446 {
447 evt = BTA_AV_SIG_CHG_EVT;
448 if (event == AVDT_DISCONNECT_IND_EVT) {
449 p_scb = bta_av_addr_to_scb(bd_addr);
450 } else if (event == AVDT_CONNECT_IND_EVT) {
451 APPL_TRACE_DEBUG("%s: CONN_IND is ACP:%d", __func__,
452 p_data->hdr.err_param);
453 }
454
455 tBTA_AV_STR_MSG* p_msg =
456 (tBTA_AV_STR_MSG*)osi_malloc(sizeof(tBTA_AV_STR_MSG));
457 p_msg->hdr.event = evt;
458 p_msg->hdr.layer_specific = event;
459 p_msg->hdr.offset = p_data->hdr.err_param;
460 p_msg->bd_addr = bd_addr;
461 p_msg->scb_index = scb_index;
462 if (p_scb) {
463 APPL_TRACE_DEBUG("%s: bta_handle x%x, role x%x", __func__, p_scb->hndl,
464 p_scb->role);
465 }
466 LOG_INFO(LOG_TAG, "%s: conn_cback bd_addr: %s", __func__,
467 bd_addr.ToString().c_str());
468 bta_sys_sendmsg(p_msg);
469 }
470 }
471
472 /*******************************************************************************
473 *
474 * Function bta_av_a2dp_report_cback
475 *
476 * Description A2DP report callback.
477 *
478 * Returns void
479 *
480 ******************************************************************************/
bta_av_a2dp_report_cback(UNUSED_ATTR uint8_t handle,UNUSED_ATTR AVDT_REPORT_TYPE type,UNUSED_ATTR tAVDT_REPORT_DATA * p_data)481 static void bta_av_a2dp_report_cback(UNUSED_ATTR uint8_t handle,
482 UNUSED_ATTR AVDT_REPORT_TYPE type,
483 UNUSED_ATTR tAVDT_REPORT_DATA* p_data) {
484 /* Do not need to handle report data for now.
485 * This empty function is here for conformance reasons. */
486 }
487
488 /*******************************************************************************
489 *
490 * Function bta_av_api_register
491 *
492 * Description allocate stream control block,
493 * register the service to stack
494 * create SDP record
495 *
496 * Returns void
497 *
498 ******************************************************************************/
bta_av_api_register(tBTA_AV_DATA * p_data)499 static void bta_av_api_register(tBTA_AV_DATA* p_data) {
500 tBTA_AV_REGISTER registr;
501 tBTA_AV_SCB* p_scb; /* stream control block */
502 AvdtpRcb reg;
503 AvdtpStreamConfig avdtp_stream_config;
504 char* p_service_name;
505 tBTA_UTL_COD cod;
506
507 if (bta_av_cb.disabling ||
508 (bta_av_cb.features == 0 && bta_av_cb.sec_mask == 0)) {
509 APPL_TRACE_WARNING(
510 "%s: AV instance (features=%#x, sec_mask=%#x, reg_audio=%#x) is not "
511 "ready for app_id %d",
512 __func__, bta_av_cb.features, bta_av_cb.sec_mask, bta_av_cb.reg_audio,
513 p_data->api_reg.app_id);
514 tBTA_AV_API_REG* p_buf =
515 (tBTA_AV_API_REG*)osi_malloc(sizeof(tBTA_AV_API_REG));
516 memcpy(p_buf, &p_data->api_reg, sizeof(tBTA_AV_API_REG));
517 bta_sys_sendmsg_delayed(
518 p_buf, base::TimeDelta::FromMilliseconds(kEnablingAttemptsIntervalMs));
519 return;
520 }
521
522 avdtp_stream_config.Reset();
523
524 registr.status = BTA_AV_FAIL_RESOURCES;
525 registr.app_id = p_data->api_reg.app_id;
526 registr.chnl = (tBTA_AV_CHNL)p_data->hdr.layer_specific;
527
528 char avrcp_version[PROPERTY_VALUE_MAX] = {0};
529 osi_property_get(AVRCP_VERSION_PROPERTY, avrcp_version,
530 AVRCP_DEFAULT_VERSION);
531 LOG_INFO(LOG_TAG, "%s: AVRCP version used for sdp: \"%s\"", __func__,
532 avrcp_version);
533
534 uint16_t profile_initialized = p_data->api_reg.service_uuid;
535 if (profile_initialized == UUID_SERVCLASS_AUDIO_SINK) {
536 p_bta_av_cfg = &bta_avk_cfg;
537 } else if (profile_initialized == UUID_SERVCLASS_AUDIO_SOURCE) {
538 p_bta_av_cfg = &bta_av_cfg;
539
540 if (!strncmp(AVRCP_1_3_STRING, avrcp_version, sizeof(AVRCP_1_3_STRING))) {
541 LOG_INFO(LOG_TAG, "%s: AVRCP 1.3 capabilites used", __func__);
542 p_bta_av_cfg = &bta_av_cfg_compatibility;
543 }
544 }
545
546 APPL_TRACE_DEBUG("%s: profile: 0x%x", __func__, profile_initialized);
547 if (p_bta_av_cfg == NULL) {
548 APPL_TRACE_ERROR("%s: AV configuration is null!", __func__);
549 return;
550 }
551
552 do {
553 p_scb = bta_av_alloc_scb(registr.chnl);
554 if (p_scb == NULL) {
555 APPL_TRACE_ERROR("%s: failed to alloc SCB", __func__);
556 break;
557 }
558
559 registr.hndl = p_scb->hndl;
560 p_scb->app_id = registr.app_id;
561
562 /* initialize the stream control block */
563 registr.status = BTA_AV_SUCCESS;
564
565 if (bta_av_cb.reg_audio == 0) {
566 /* the first channel registered. register to AVDTP */
567 reg.ctrl_mtu = p_bta_av_cfg->sig_mtu;
568 reg.ret_tout = BTA_AV_RET_TOUT;
569 reg.sig_tout = BTA_AV_SIG_TOUT;
570 reg.idle_tout = BTA_AV_IDLE_TOUT;
571 reg.sec_mask = bta_av_cb.sec_mask;
572 reg.scb_index = p_scb->hdi;
573 #if (BTA_AR_INCLUDED == TRUE)
574 bta_ar_reg_avdt(®, bta_av_conn_cback, BTA_ID_AV);
575 #endif
576 bta_sys_role_chg_register(&bta_av_sys_rs_cback);
577
578 /* create remote control TG service if required */
579 if (bta_av_cb.features & (BTA_AV_FEAT_RCTG)) {
580 /* register with no authorization; let AVDTP use authorization instead */
581 #if (BTA_AR_INCLUDED == TRUE)
582 #if (BTA_AV_WITH_AVCTP_AUTHORIZATION == TRUE)
583 bta_ar_reg_avct(p_bta_av_cfg->avrc_mtu, p_bta_av_cfg->avrc_br_mtu,
584 bta_av_cb.sec_mask, BTA_ID_AV);
585 #else
586 bta_ar_reg_avct(p_bta_av_cfg->avrc_mtu, p_bta_av_cfg->avrc_br_mtu,
587 (uint8_t)(bta_av_cb.sec_mask & (~BTA_SEC_AUTHORIZE)),
588 BTA_ID_AV);
589 #endif
590
591 /* For the Audio Sink role we support additional TG to support
592 * absolute volume.
593 */
594 uint16_t profile_version = AVRC_REV_1_0;
595
596 if (!strncmp(AVRCP_1_6_STRING, avrcp_version,
597 sizeof(AVRCP_1_6_STRING))) {
598 profile_version = AVRC_REV_1_6;
599 } else if (!strncmp(AVRCP_1_5_STRING, avrcp_version,
600 sizeof(AVRCP_1_5_STRING))) {
601 profile_version = AVRC_REV_1_5;
602 } else if (!strncmp(AVRCP_1_3_STRING, avrcp_version,
603 sizeof(AVRCP_1_3_STRING))) {
604 profile_version = AVRC_REV_1_3;
605 } else {
606 profile_version = AVRC_REV_1_4;
607 }
608
609 bta_ar_reg_avrc(
610 UUID_SERVCLASS_AV_REM_CTRL_TARGET, "AV Remote Control Target", NULL,
611 p_bta_av_cfg->avrc_tg_cat, BTA_ID_AV,
612 (bta_av_cb.features & BTA_AV_FEAT_BROWSE), profile_version);
613 #endif
614 }
615
616 /* Set the Capturing service class bit */
617 if (profile_initialized == UUID_SERVCLASS_AUDIO_SOURCE)
618 cod.service = BTM_COD_SERVICE_CAPTURING;
619 else if (profile_initialized == UUID_SERVCLASS_AUDIO_SINK)
620 cod.service = BTM_COD_SERVICE_RENDERING;
621 utl_set_device_class(&cod, BTA_UTL_SET_COD_SERVICE_CLASS);
622 } /* if 1st channel */
623
624 /* get stream configuration and create stream */
625 avdtp_stream_config.cfg.num_codec = 1;
626 avdtp_stream_config.nsc_mask = AvdtpStreamConfig::AVDT_NSC_RECONFIG;
627 if (!(bta_av_cb.features & BTA_AV_FEAT_PROTECT)) {
628 avdtp_stream_config.nsc_mask |= AvdtpStreamConfig::AVDT_NSC_SECURITY;
629 }
630 APPL_TRACE_DEBUG("%s: nsc_mask: 0x%x", __func__,
631 avdtp_stream_config.nsc_mask);
632
633 if (p_data->api_reg.p_service_name[0] == 0) {
634 p_service_name = NULL;
635 } else {
636 p_service_name = p_data->api_reg.p_service_name;
637 }
638
639 p_scb->suspend_sup = true;
640 p_scb->recfg_sup = true;
641
642 avdtp_stream_config.scb_index = p_scb->hdi;
643 avdtp_stream_config.p_avdt_ctrl_cback = &bta_av_proc_stream_evt;
644
645 /* set up the audio stream control block */
646 p_scb->p_act_tbl = (const tBTA_AV_ACT*)bta_av_a2dp_action;
647 p_scb->p_cos = &bta_av_a2dp_cos;
648 p_scb->media_type = AVDT_MEDIA_TYPE_AUDIO;
649 avdtp_stream_config.cfg.psc_mask = AVDT_PSC_TRANS;
650 avdtp_stream_config.media_type = AVDT_MEDIA_TYPE_AUDIO;
651 avdtp_stream_config.mtu = p_bta_av_cfg->audio_mtu;
652 avdtp_stream_config.flush_to = L2CAP_DEFAULT_FLUSH_TO;
653 btav_a2dp_codec_index_t codec_index_min = BTAV_A2DP_CODEC_INDEX_SOURCE_MIN;
654 btav_a2dp_codec_index_t codec_index_max = BTAV_A2DP_CODEC_INDEX_SOURCE_MAX;
655
656 if (bta_av_cb.features & BTA_AV_FEAT_REPORT) {
657 avdtp_stream_config.cfg.psc_mask |= AVDT_PSC_REPORT;
658 avdtp_stream_config.p_report_cback = bta_av_a2dp_report_cback;
659 }
660 if (bta_av_cb.features & BTA_AV_FEAT_DELAY_RPT)
661 avdtp_stream_config.cfg.psc_mask |= AVDT_PSC_DELAY_RPT;
662
663 if (profile_initialized == UUID_SERVCLASS_AUDIO_SOURCE) {
664 avdtp_stream_config.tsep = AVDT_TSEP_SRC;
665 codec_index_min = BTAV_A2DP_CODEC_INDEX_SOURCE_MIN;
666 codec_index_max = BTAV_A2DP_CODEC_INDEX_SOURCE_MAX;
667 } else if (profile_initialized == UUID_SERVCLASS_AUDIO_SINK) {
668 avdtp_stream_config.tsep = AVDT_TSEP_SNK;
669 avdtp_stream_config.p_sink_data_cback = bta_av_sink_data_cback;
670 codec_index_min = BTAV_A2DP_CODEC_INDEX_SINK_MIN;
671 codec_index_max = BTAV_A2DP_CODEC_INDEX_SINK_MAX;
672 }
673
674 /* Initialize handles to zero */
675 for (int xx = 0; xx < BTAV_A2DP_CODEC_INDEX_MAX; xx++) {
676 p_scb->seps[xx].av_handle = 0;
677 }
678
679 /* keep the configuration in the stream control block */
680 p_scb->cfg = avdtp_stream_config.cfg;
681 for (int i = codec_index_min; i < codec_index_max; i++) {
682 btav_a2dp_codec_index_t codec_index =
683 static_cast<btav_a2dp_codec_index_t>(i);
684 if (!bta_av_co_is_supported_codec(codec_index)) {
685 continue;
686 }
687 if (!(*bta_av_a2dp_cos.init)(codec_index, &avdtp_stream_config.cfg)) {
688 continue;
689 }
690 if (AVDT_CreateStream(p_scb->app_id, &p_scb->seps[codec_index].av_handle,
691 avdtp_stream_config) != AVDT_SUCCESS) {
692 APPL_TRACE_WARNING(
693 "%s: bta_handle=0x%x (app_id %d) failed to alloc an SEP index:%d",
694 __func__, p_scb->hndl, p_scb->app_id, codec_index);
695 continue;
696 }
697 /* Save a copy of the codec */
698 memcpy(p_scb->seps[codec_index].codec_info,
699 avdtp_stream_config.cfg.codec_info, AVDT_CODEC_SIZE);
700 p_scb->seps[codec_index].tsep = avdtp_stream_config.tsep;
701 if (avdtp_stream_config.tsep == AVDT_TSEP_SNK) {
702 p_scb->seps[codec_index].p_app_sink_data_cback =
703 p_data->api_reg.p_app_sink_data_cback;
704 } else {
705 /* In case of A2DP SOURCE we don't need a callback to
706 * handle media packets.
707 */
708 p_scb->seps[codec_index].p_app_sink_data_cback = NULL;
709 }
710 }
711
712 if (!bta_av_cb.reg_audio) {
713 bta_av_cb.sdp_a2dp_handle = 0;
714 bta_av_cb.sdp_a2dp_snk_handle = 0;
715 if (profile_initialized == UUID_SERVCLASS_AUDIO_SOURCE) {
716 /* create the SDP records on the 1st audio channel */
717 bta_av_cb.sdp_a2dp_handle = SDP_CreateRecord();
718 A2DP_AddRecord(UUID_SERVCLASS_AUDIO_SOURCE, p_service_name, NULL,
719 A2DP_SUPF_PLAYER, bta_av_cb.sdp_a2dp_handle);
720 bta_sys_add_uuid(UUID_SERVCLASS_AUDIO_SOURCE);
721 } else if (profile_initialized == UUID_SERVCLASS_AUDIO_SINK) {
722 #if (BTA_AV_SINK_INCLUDED == TRUE)
723 bta_av_cb.sdp_a2dp_snk_handle = SDP_CreateRecord();
724 A2DP_AddRecord(UUID_SERVCLASS_AUDIO_SINK, p_service_name, NULL,
725 A2DP_SUPF_PLAYER, bta_av_cb.sdp_a2dp_snk_handle);
726 bta_sys_add_uuid(UUID_SERVCLASS_AUDIO_SINK);
727 #endif
728 }
729 /* start listening when A2DP is registered */
730 if (bta_av_cb.features & BTA_AV_FEAT_RCTG)
731 bta_av_rc_create(&bta_av_cb, AVCT_ACP, 0, BTA_AV_NUM_LINKS + 1);
732
733 /* if the AV and AVK are both supported, it cannot support the CT role
734 */
735 if (bta_av_cb.features & (BTA_AV_FEAT_RCCT)) {
736 /* if TG is not supported, we need to register to AVCT now */
737 if ((bta_av_cb.features & (BTA_AV_FEAT_RCTG)) == 0) {
738 #if (BTA_AR_INCLUDED == TRUE)
739 #if (BTA_AV_WITH_AVCTP_AUTHORIZATION == TRUE)
740 bta_ar_reg_avct(p_bta_av_cfg->avrc_mtu, p_bta_av_cfg->avrc_br_mtu,
741 bta_av_cb.sec_mask, BTA_ID_AV);
742 #else
743 bta_ar_reg_avct(p_bta_av_cfg->avrc_mtu, p_bta_av_cfg->avrc_br_mtu,
744 (uint8_t)(bta_av_cb.sec_mask & (~BTA_SEC_AUTHORIZE)),
745 BTA_ID_AV);
746 #endif
747 #endif
748 bta_av_rc_create(&bta_av_cb, AVCT_ACP, 0, BTA_AV_NUM_LINKS + 1);
749 }
750 #if (BTA_AR_INCLUDED == TRUE)
751 /* create an SDP record as AVRC CT. We create 1.3 for SOURCE
752 * because we rely on feature bits being scanned by external
753 * devices more than the profile version itself.
754 *
755 * We create 1.4 for SINK since we support browsing.
756 */
757 if (profile_initialized == UUID_SERVCLASS_AUDIO_SOURCE) {
758 bta_ar_reg_avrc(UUID_SERVCLASS_AV_REMOTE_CONTROL, NULL, NULL,
759 p_bta_av_cfg->avrc_ct_cat, BTA_ID_AV,
760 (bta_av_cb.features & BTA_AV_FEAT_BROWSE),
761 AVRC_REV_1_3);
762 } else if (profile_initialized == UUID_SERVCLASS_AUDIO_SINK) {
763 bta_ar_reg_avrc(UUID_SERVCLASS_AV_REMOTE_CONTROL, NULL, NULL,
764 p_bta_av_cfg->avrc_ct_cat, BTA_ID_AV,
765 (bta_av_cb.features & BTA_AV_FEAT_BROWSE),
766 AVRC_REV_1_6);
767 }
768 #endif
769 }
770 }
771 bta_av_cb.reg_audio |= BTA_AV_HNDL_TO_MSK(p_scb->hdi);
772 APPL_TRACE_DEBUG("%s: reg_audio: 0x%x", __func__, bta_av_cb.reg_audio);
773 } while (0);
774
775 /* call callback with register event */
776 tBTA_AV bta_av_data;
777 bta_av_data.registr = registr;
778 (*bta_av_cb.p_cback)(BTA_AV_REGISTER_EVT, &bta_av_data);
779 }
780
781 /*******************************************************************************
782 *
783 * Function bta_av_api_deregister
784 *
785 * Description de-register a channel
786 *
787 *
788 * Returns void
789 *
790 ******************************************************************************/
bta_av_api_deregister(tBTA_AV_DATA * p_data)791 void bta_av_api_deregister(tBTA_AV_DATA* p_data) {
792 tBTA_AV_SCB* p_scb = bta_av_hndl_to_scb(p_data->hdr.layer_specific);
793
794 if (p_scb) {
795 p_scb->deregistering = true;
796 bta_av_ssm_execute(p_scb, BTA_AV_API_CLOSE_EVT, p_data);
797 } else {
798 bta_av_dereg_comp(p_data);
799 }
800 }
801
802 /*******************************************************************************
803 *
804 * Function bta_av_ci_data
805 *
806 * Description Forward the BTA_AV_CI_SRC_DATA_READY_EVT to stream state
807 * machine.
808 *
809 *
810 * Returns void
811 *
812 ******************************************************************************/
bta_av_ci_data(tBTA_AV_DATA * p_data)813 static void bta_av_ci_data(tBTA_AV_DATA* p_data) {
814 tBTA_AV_SCB* p_scb;
815 int i;
816 uint8_t chnl = (uint8_t)p_data->hdr.layer_specific;
817
818 for (i = 0; i < BTA_AV_NUM_STRS; i++) {
819 p_scb = bta_av_cb.p_scb[i];
820
821 if (p_scb && p_scb->chnl == chnl) {
822 bta_av_ssm_execute(p_scb, BTA_AV_SRC_DATA_READY_EVT, p_data);
823 }
824 }
825 }
826
827 /*******************************************************************************
828 *
829 * Function bta_av_rpc_conn
830 *
831 * Description report report channel open
832 *
833 * Returns void
834 *
835 ******************************************************************************/
bta_av_rpc_conn(UNUSED_ATTR tBTA_AV_DATA * p_data)836 static void bta_av_rpc_conn(UNUSED_ATTR tBTA_AV_DATA* p_data) {}
837
838 /*******************************************************************************
839 *
840 * Function bta_av_api_to_ssm
841 *
842 * Description forward the API request to stream state machine
843 *
844 *
845 * Returns void
846 *
847 ******************************************************************************/
bta_av_api_to_ssm(tBTA_AV_DATA * p_data)848 static void bta_av_api_to_ssm(tBTA_AV_DATA* p_data) {
849 uint16_t event =
850 p_data->hdr.event - BTA_AV_FIRST_A2S_API_EVT + BTA_AV_FIRST_A2S_SSM_EVT;
851 tBTA_AV_HNDL handle = p_data->hdr.layer_specific;
852 tBTA_AV_SCB* p_scb = bta_av_hndl_to_scb(handle);
853
854 if (p_scb != nullptr) {
855 bta_av_ssm_execute(p_scb, event, p_data);
856 }
857 }
858
859 /*******************************************************************************
860 *
861 * Function bta_av_chk_start
862 *
863 * Description if this is audio channel, check if more than one audio
864 * channel is connected & already started.
865 * This function needs to be kept very similar to
866 * bta_av_chk_2nd_start
867 *
868 * Returns true, if need api_start
869 *
870 ******************************************************************************/
bta_av_chk_start(tBTA_AV_SCB * p_scb)871 bool bta_av_chk_start(tBTA_AV_SCB* p_scb) {
872 bool start = false;
873
874 if ((p_scb->chnl == BTA_AV_CHNL_AUDIO) && (bta_av_cb.audio_open_cnt >= 2) &&
875 (((p_scb->role & BTA_AV_ROLE_AD_ACP) == 0) || // Outgoing connection or
876 (bta_av_cb.features & BTA_AV_FEAT_ACP_START))) { // Auto-starting option
877 // More than one audio channel is connected.
878 // If this is the 2nd stream as ACP, give INT a chance to issue the START
879 // command.
880 for (int i = 0; i < BTA_AV_NUM_STRS; i++) {
881 tBTA_AV_SCB* p_scbi = bta_av_cb.p_scb[i];
882 if (p_scbi && p_scbi->chnl == BTA_AV_CHNL_AUDIO && p_scbi->co_started) {
883 start = true;
884 // May need to update the flush timeout of this already started stream
885 if (p_scbi->co_started != bta_av_cb.audio_open_cnt) {
886 p_scbi->co_started = bta_av_cb.audio_open_cnt;
887 L2CA_SetFlushTimeout(
888 p_scbi->PeerAddress(),
889 p_bta_av_cfg->p_audio_flush_to[p_scbi->co_started - 1]);
890 }
891 }
892 }
893 }
894
895 LOG_INFO(LOG_TAG,
896 "%s: peer %s channel:%d bta_av_cb.audio_open_cnt:%d role:0x%x "
897 "features:0x%x start:%s",
898 __func__, p_scb->PeerAddress().ToString().c_str(), p_scb->chnl,
899 bta_av_cb.audio_open_cnt, p_scb->role, bta_av_cb.features,
900 logbool(start).c_str());
901 return start;
902 }
903
904 /*******************************************************************************
905 *
906 * Function bta_av_restore_switch
907 *
908 * Description assume that the caller of this function already makes
909 * sure that there's only one ACL connection left
910 *
911 * Returns void
912 *
913 ******************************************************************************/
bta_av_restore_switch(void)914 void bta_av_restore_switch(void) {
915 tBTA_AV_CB* p_cb = &bta_av_cb;
916 int i;
917 uint8_t mask;
918 uint8_t set_policy = (HCI_ENABLE_SNIFF_MODE | HCI_ENABLE_MASTER_SLAVE_SWITCH);
919
920 APPL_TRACE_DEBUG("%s: reg_audio: 0x%x", __func__, bta_av_cb.reg_audio);
921 for (i = 0; i < BTA_AV_NUM_STRS; i++) {
922 mask = BTA_AV_HNDL_TO_MSK(i);
923 if (p_cb->conn_audio == mask) {
924 if (p_cb->p_scb[i]) {
925 bta_sys_set_policy(BTA_ID_AV, set_policy,
926 p_cb->p_scb[i]->PeerAddress());
927 }
928 break;
929 }
930 }
931 }
932
933 /*******************************************************************************
934 *
935 * Function bta_av_sys_rs_cback
936 *
937 * Description Receives the role change event from dm
938 *
939 * Returns (BTA_SYS_ROLE_CHANGE, new_role, hci_status, p_bda)
940 *
941 ******************************************************************************/
bta_av_sys_rs_cback(UNUSED_ATTR tBTA_SYS_CONN_STATUS status,uint8_t id,uint8_t app_id,const RawAddress & peer_addr)942 static void bta_av_sys_rs_cback(UNUSED_ATTR tBTA_SYS_CONN_STATUS status,
943 uint8_t id, uint8_t app_id,
944 const RawAddress& peer_addr) {
945 int i;
946 tBTA_AV_SCB* p_scb = NULL;
947 uint8_t cur_role;
948 uint8_t peer_idx = 0;
949 uint8_t set_policy = (HCI_ENABLE_SNIFF_MODE | HCI_ENABLE_MASTER_SLAVE_SWITCH);
950
951 APPL_TRACE_DEBUG(
952 "%s: peer %s new_role:%d hci_status:0x%x bta_av_cb.rs_idx:%d", __func__,
953 peer_addr.ToString().c_str(), id, app_id, bta_av_cb.rs_idx);
954
955 for (i = 0; i < BTA_AV_NUM_STRS; i++) {
956 /* loop through all the SCBs to find matching peer addresses and report the
957 * role change event */
958 /* note that more than one SCB (a2dp & vdp) maybe waiting for this event */
959 p_scb = bta_av_cb.p_scb[i];
960 if (p_scb && p_scb->PeerAddress() == peer_addr) {
961 tBTA_AV_ROLE_RES* p_buf =
962 (tBTA_AV_ROLE_RES*)osi_malloc(sizeof(tBTA_AV_ROLE_RES));
963 APPL_TRACE_DEBUG(
964 "%s: peer %s found: new_role:%d, hci_status:0x%x bta_handle:0x%x",
965 __func__, peer_addr.ToString().c_str(), id, app_id, p_scb->hndl);
966 /*
967 if ((id != BTM_ROLE_MASTER) && (app_id != HCI_SUCCESS))
968 {
969 bta_sys_set_policy(BTA_ID_AV, set_policy, p_scb->PeerAddress());
970 }
971 */
972 p_buf->hdr.event = BTA_AV_ROLE_CHANGE_EVT;
973 p_buf->hdr.layer_specific = p_scb->hndl;
974 p_buf->new_role = id;
975 p_buf->hci_status = app_id;
976 bta_sys_sendmsg(p_buf);
977
978 peer_idx = p_scb->hdi + 1; /* Handle index for the peer_addr */
979 }
980 }
981
982 /* restore role switch policy, if role switch failed */
983 if ((HCI_SUCCESS != app_id) &&
984 (BTM_GetRole(peer_addr, &cur_role) == BTM_SUCCESS) &&
985 (cur_role == BTM_ROLE_SLAVE)) {
986 bta_sys_set_policy(BTA_ID_AV, set_policy, peer_addr);
987 }
988
989 /* if BTA_AvOpen() was called for other device, which caused the role switch
990 * of the peer_addr, */
991 /* we need to continue opening process for the BTA_AvOpen(). */
992 if ((bta_av_cb.rs_idx != 0) && (bta_av_cb.rs_idx != peer_idx)) {
993 if ((bta_av_cb.rs_idx - 1) < BTA_AV_NUM_STRS) {
994 p_scb = bta_av_cb.p_scb[bta_av_cb.rs_idx - 1];
995 }
996 if (p_scb && p_scb->q_tag == BTA_AV_Q_TAG_OPEN) {
997 APPL_TRACE_DEBUG("%s: peer %s rs_idx:%d, bta_handle:0x%x q_tag:%d",
998 __func__, p_scb->PeerAddress().ToString().c_str(),
999 bta_av_cb.rs_idx, p_scb->hndl, p_scb->q_tag);
1000
1001 if (HCI_SUCCESS == app_id || HCI_ERR_NO_CONNECTION == app_id) {
1002 p_scb->q_info.open.switch_res = BTA_AV_RS_OK;
1003 } else {
1004 APPL_TRACE_ERROR(
1005 "%s: peer %s (p_scb peer %s) role switch failed: new_role:%d "
1006 "hci_status:0x%x",
1007 __func__, peer_addr.ToString().c_str(),
1008 p_scb->PeerAddress().ToString().c_str(), id, app_id);
1009 p_scb->q_info.open.switch_res = BTA_AV_RS_FAIL;
1010 }
1011
1012 /* Continue av open process */
1013 bta_av_do_disc_a2dp(p_scb, (tBTA_AV_DATA*)&(p_scb->q_info.open));
1014 }
1015
1016 bta_av_cb.rs_idx = 0;
1017 }
1018 }
1019
1020 /*******************************************************************************
1021 *
1022 * Function bta_av_sco_chg_cback
1023 *
1024 * Description receive & process the SCO connection up/down event from sys.
1025 * call setup also triggers this callback, to suspend av before
1026 * SCO activity happens, or to resume av once call ends.
1027 *
1028 * Returns void
1029 *
1030 ******************************************************************************/
bta_av_sco_chg_cback(tBTA_SYS_CONN_STATUS status,uint8_t id,UNUSED_ATTR uint8_t app_id,UNUSED_ATTR const RawAddress & peer_addr)1031 static void bta_av_sco_chg_cback(tBTA_SYS_CONN_STATUS status, uint8_t id,
1032 UNUSED_ATTR uint8_t app_id,
1033 UNUSED_ATTR const RawAddress& peer_addr) {
1034 tBTA_AV_SCB* p_scb;
1035 int i;
1036 tBTA_AV_API_STOP stop;
1037
1038 LOG(INFO) << __func__ << ": status=" << +status << ", num_links=" << +id;
1039 if (id) {
1040 bta_av_cb.sco_occupied = true;
1041
1042 if (bta_av_cb.features & BTA_AV_FEAT_NO_SCO_SSPD) {
1043 return;
1044 }
1045
1046 /* either BTA_SYS_SCO_OPEN or BTA_SYS_SCO_CLOSE with remaining active SCO */
1047 for (i = 0; i < BTA_AV_NUM_STRS; i++) {
1048 p_scb = bta_av_cb.p_scb[i];
1049
1050 if (p_scb && p_scb->co_started && (!p_scb->sco_suspend)) {
1051 VLOG(1) << __func__ << ": suspending scb:" << i;
1052 /* scb is used and started, not suspended automatically */
1053 p_scb->sco_suspend = true;
1054 stop.flush = false;
1055 stop.suspend = true;
1056 stop.reconfig_stop = false;
1057 bta_av_ssm_execute(p_scb, BTA_AV_AP_STOP_EVT, (tBTA_AV_DATA*)&stop);
1058 }
1059 }
1060 } else {
1061 bta_av_cb.sco_occupied = false;
1062
1063 if (bta_av_cb.features & BTA_AV_FEAT_NO_SCO_SSPD) {
1064 return;
1065 }
1066
1067 for (i = 0; i < BTA_AV_NUM_STRS; i++) {
1068 p_scb = bta_av_cb.p_scb[i];
1069
1070 if (p_scb && p_scb->sco_suspend) /* scb is used and suspended for SCO */
1071 {
1072 VLOG(1) << __func__ << ": starting scb:" << i;
1073 bta_av_ssm_execute(p_scb, BTA_AV_AP_START_EVT, NULL);
1074 }
1075 }
1076 }
1077 }
1078
1079 /*******************************************************************************
1080 *
1081 * Function bta_av_switch_if_needed
1082 *
1083 * Description This function checks if there is another existing AV
1084 * channel that is local as slave role.
1085 * If so, role switch and remove it from link policy.
1086 *
1087 * Returns true, if role switch is done
1088 *
1089 ******************************************************************************/
bta_av_switch_if_needed(tBTA_AV_SCB * p_scb)1090 bool bta_av_switch_if_needed(tBTA_AV_SCB* p_scb) {
1091 // TODO: A workaround for devices that are connected first, become
1092 // Master, and block follow-up role changes - b/72122792 .
1093 return false;
1094 #if 0
1095 uint8_t role;
1096 bool needed = false;
1097 tBTA_AV_SCB* p_scbi;
1098 int i;
1099 uint8_t mask;
1100
1101 for (i = 0; i < BTA_AV_NUM_STRS; i++) {
1102 mask = BTA_AV_HNDL_TO_MSK(i);
1103 p_scbi = bta_av_cb.p_scb[i];
1104 if (p_scbi && (p_scb->hdi != i) && /* not the original channel */
1105 ((bta_av_cb.conn_audio & mask))) /* connected audio */
1106 {
1107 BTM_GetRole(p_scbi->PeerAddress(), &role);
1108 /* this channel is open - clear the role switch link policy for this link
1109 */
1110 if (BTM_ROLE_MASTER != role) {
1111 if (bta_av_cb.features & BTA_AV_FEAT_MASTER)
1112 bta_sys_clear_policy(BTA_ID_AV, HCI_ENABLE_MASTER_SLAVE_SWITCH,
1113 p_scbi->PeerAddress());
1114 if (BTM_CMD_STARTED !=
1115 BTM_SwitchRole(p_scbi->PeerAddress(), BTM_ROLE_MASTER, NULL)) {
1116 /* can not switch role on SCBI
1117 * start the timer on SCB - because this function is ONLY called when
1118 * SCB gets API_OPEN */
1119 bta_sys_start_timer(p_scb->avrc_ct_timer, BTA_AV_RS_TIME_VAL,
1120 BTA_AV_AVRC_TIMER_EVT, p_scb->hndl);
1121 }
1122 needed = true;
1123 /* mark the original channel as waiting for RS result */
1124 bta_av_cb.rs_idx = p_scb->hdi + 1;
1125 break;
1126 }
1127 }
1128 }
1129 return needed;
1130 #endif
1131 }
1132
1133 /*******************************************************************************
1134 *
1135 * Function bta_av_link_role_ok
1136 *
1137 * Description This function checks if the SCB has existing ACL connection
1138 * If so, check if the link role fits the requirements.
1139 *
1140 * Returns true, if role is ok
1141 *
1142 ******************************************************************************/
bta_av_link_role_ok(tBTA_AV_SCB * p_scb,uint8_t bits)1143 bool bta_av_link_role_ok(tBTA_AV_SCB* p_scb, uint8_t bits) {
1144 uint8_t role;
1145 bool is_ok = true;
1146
1147 if (BTM_GetRole(p_scb->PeerAddress(), &role) == BTM_SUCCESS) {
1148 LOG_INFO(LOG_TAG,
1149 "%s: peer %s bta_handle:0x%x role:%d conn_audio:0x%x bits:%d "
1150 "features:0x%x",
1151 __func__, p_scb->PeerAddress().ToString().c_str(), p_scb->hndl,
1152 role, bta_av_cb.conn_audio, bits, bta_av_cb.features);
1153 if (BTM_ROLE_MASTER != role &&
1154 (A2DP_BitsSet(bta_av_cb.conn_audio) > bits ||
1155 (bta_av_cb.features & BTA_AV_FEAT_MASTER))) {
1156 if (bta_av_cb.features & BTA_AV_FEAT_MASTER)
1157 bta_sys_clear_policy(BTA_ID_AV, HCI_ENABLE_MASTER_SLAVE_SWITCH,
1158 p_scb->PeerAddress());
1159
1160 tBTM_STATUS status =
1161 BTM_SwitchRole(p_scb->PeerAddress(), BTM_ROLE_MASTER, NULL);
1162 if (status != BTM_CMD_STARTED) {
1163 /* can not switch role on SCB - start the timer on SCB */
1164 LOG_ERROR(LOG_TAG,
1165 "%s: peer %s BTM_SwitchRole(BTM_ROLE_MASTER) error: %d",
1166 __func__, p_scb->PeerAddress().ToString().c_str(), status);
1167 }
1168 if (status != BTM_MODE_UNSUPPORTED && status != BTM_DEV_BLACKLISTED) {
1169 is_ok = false;
1170 p_scb->wait |= BTA_AV_WAIT_ROLE_SW_RES_START;
1171 }
1172 }
1173 }
1174
1175 return is_ok;
1176 }
1177
1178 /*******************************************************************************
1179 *
1180 * Function bta_av_dup_audio_buf
1181 *
1182 * Description dup the audio data to the q_info.a2dp of other audio
1183 * channels
1184 *
1185 * Returns void
1186 *
1187 ******************************************************************************/
bta_av_dup_audio_buf(tBTA_AV_SCB * p_scb,BT_HDR * p_buf)1188 void bta_av_dup_audio_buf(tBTA_AV_SCB* p_scb, BT_HDR* p_buf) {
1189 /* Test whether there is more than one audio channel connected */
1190 if ((p_buf == NULL) || (bta_av_cb.audio_open_cnt < 2)) return;
1191
1192 uint16_t copy_size = BT_HDR_SIZE + p_buf->len + p_buf->offset;
1193 for (int i = 0; i < BTA_AV_NUM_STRS; i++) {
1194 tBTA_AV_SCB* p_scbi = bta_av_cb.p_scb[i];
1195
1196 if (i == p_scb->hdi) continue; /* Ignore the original channel */
1197 if ((p_scbi == NULL) || !p_scbi->co_started)
1198 continue; /* Ignore if SCB is not used or started */
1199 if (!(bta_av_cb.conn_audio & BTA_AV_HNDL_TO_MSK(i)))
1200 continue; /* Audio is not connected */
1201
1202 /* Enqueue the data */
1203 BT_HDR* p_new = (BT_HDR*)osi_malloc(copy_size);
1204 memcpy(p_new, p_buf, copy_size);
1205 list_append(p_scbi->a2dp_list, p_new);
1206
1207 if (list_length(p_scbi->a2dp_list) > p_bta_av_cfg->audio_mqs) {
1208 // Drop the oldest packet
1209 bta_av_co_audio_drop(p_scbi->hndl, p_scbi->PeerAddress());
1210 BT_HDR* p_buf_drop = static_cast<BT_HDR*>(list_front(p_scbi->a2dp_list));
1211 list_remove(p_scbi->a2dp_list, p_buf_drop);
1212 osi_free(p_buf_drop);
1213 }
1214 }
1215 }
1216
1217 /*******************************************************************************
1218 *
1219 * Function bta_av_sm_execute
1220 *
1221 * Description State machine event handling function for AV
1222 *
1223 *
1224 * Returns void
1225 *
1226 ******************************************************************************/
bta_av_sm_execute(tBTA_AV_CB * p_cb,uint16_t event,tBTA_AV_DATA * p_data)1227 void bta_av_sm_execute(tBTA_AV_CB* p_cb, uint16_t event, tBTA_AV_DATA* p_data) {
1228 tBTA_AV_ST_TBL state_table;
1229 uint8_t action;
1230
1231 APPL_TRACE_EVENT("%s: AV event=0x%x(%s) state=%d(%s)", __func__, event,
1232 bta_av_evt_code(event), p_cb->state,
1233 bta_av_st_code(p_cb->state));
1234
1235 /* look up the state table for the current state */
1236 state_table = bta_av_st_tbl[p_cb->state];
1237
1238 event &= 0x00FF;
1239
1240 /* set next state */
1241 p_cb->state = state_table[event][BTA_AV_NEXT_STATE];
1242 APPL_TRACE_EVENT("%s: next state=%d event offset:%d", __func__, p_cb->state,
1243 event);
1244
1245 /* execute action functions */
1246 action = state_table[event][BTA_AV_ACTION_COL];
1247 if (action != BTA_AV_IGNORE) {
1248 APPL_TRACE_EVENT("%s: action executed %d", __func__, action);
1249 (*bta_av_action[action])(p_cb, p_data);
1250 }
1251 }
1252
1253 /*******************************************************************************
1254 *
1255 * Function bta_av_hdl_event
1256 *
1257 * Description Advanced audio/video main event handling function.
1258 *
1259 *
1260 * Returns bool
1261 *
1262 ******************************************************************************/
bta_av_hdl_event(BT_HDR * p_msg)1263 bool bta_av_hdl_event(BT_HDR* p_msg) {
1264 if (p_msg->event > BTA_AV_LAST_EVT) {
1265 return true; /* to free p_msg */
1266 }
1267 if (p_msg->event >= BTA_AV_FIRST_NSM_EVT) {
1268 APPL_TRACE_VERBOSE("%s: AV nsm event=0x%x(%s)", __func__, p_msg->event,
1269 bta_av_evt_code(p_msg->event));
1270 /* non state machine events */
1271 (*bta_av_nsm_act[p_msg->event - BTA_AV_FIRST_NSM_EVT])(
1272 (tBTA_AV_DATA*)p_msg);
1273 } else if (p_msg->event >= BTA_AV_FIRST_SM_EVT &&
1274 p_msg->event <= BTA_AV_LAST_SM_EVT) {
1275 APPL_TRACE_VERBOSE("%s: AV sm event=0x%x(%s)", __func__, p_msg->event,
1276 bta_av_evt_code(p_msg->event));
1277 /* state machine events */
1278 bta_av_sm_execute(&bta_av_cb, p_msg->event, (tBTA_AV_DATA*)p_msg);
1279 } else {
1280 APPL_TRACE_VERBOSE("%s: bta_handle=0x%x", __func__, p_msg->layer_specific);
1281 /* stream state machine events */
1282 bta_av_ssm_execute(bta_av_hndl_to_scb(p_msg->layer_specific), p_msg->event,
1283 (tBTA_AV_DATA*)p_msg);
1284 }
1285 return true;
1286 }
1287
1288 /*****************************************************************************
1289 * Debug Functions
1290 ****************************************************************************/
1291 /*******************************************************************************
1292 *
1293 * Function bta_av_st_code
1294 *
1295 * Description
1296 *
1297 * Returns char *
1298 *
1299 ******************************************************************************/
bta_av_st_code(uint8_t state)1300 static const char* bta_av_st_code(uint8_t state) {
1301 switch (state) {
1302 case BTA_AV_INIT_ST:
1303 return "INIT";
1304 case BTA_AV_OPEN_ST:
1305 return "OPEN";
1306 default:
1307 return "unknown";
1308 }
1309 }
1310 /*******************************************************************************
1311 *
1312 * Function bta_av_evt_code
1313 *
1314 * Description
1315 *
1316 * Returns char *
1317 *
1318 ******************************************************************************/
bta_av_evt_code(uint16_t evt_code)1319 const char* bta_av_evt_code(uint16_t evt_code) {
1320 switch (evt_code) {
1321 case BTA_AV_API_DISABLE_EVT:
1322 return "API_DISABLE";
1323 case BTA_AV_API_REMOTE_CMD_EVT:
1324 return "API_REMOTE_CMD";
1325 case BTA_AV_API_VENDOR_CMD_EVT:
1326 return "API_VENDOR_CMD";
1327 case BTA_AV_API_VENDOR_RSP_EVT:
1328 return "API_VENDOR_RSP";
1329 case BTA_AV_API_META_RSP_EVT:
1330 return "API_META_RSP_EVT";
1331 case BTA_AV_API_RC_CLOSE_EVT:
1332 return "API_RC_CLOSE";
1333 case BTA_AV_AVRC_OPEN_EVT:
1334 return "AVRC_OPEN";
1335 case BTA_AV_AVRC_MSG_EVT:
1336 return "AVRC_MSG";
1337 case BTA_AV_AVRC_NONE_EVT:
1338 return "AVRC_NONE";
1339
1340 case BTA_AV_API_OPEN_EVT:
1341 return "API_OPEN";
1342 case BTA_AV_API_CLOSE_EVT:
1343 return "API_CLOSE";
1344 case BTA_AV_AP_START_EVT:
1345 return "AP_START";
1346 case BTA_AV_AP_STOP_EVT:
1347 return "AP_STOP";
1348 case BTA_AV_API_RECONFIG_EVT:
1349 return "API_RECONFIG";
1350 case BTA_AV_API_PROTECT_REQ_EVT:
1351 return "API_PROTECT_REQ";
1352 case BTA_AV_API_PROTECT_RSP_EVT:
1353 return "API_PROTECT_RSP";
1354 case BTA_AV_API_RC_OPEN_EVT:
1355 return "API_RC_OPEN";
1356 case BTA_AV_SRC_DATA_READY_EVT:
1357 return "SRC_DATA_READY";
1358 case BTA_AV_CI_SETCONFIG_OK_EVT:
1359 return "CI_SETCONFIG_OK";
1360 case BTA_AV_CI_SETCONFIG_FAIL_EVT:
1361 return "CI_SETCONFIG_FAIL";
1362 case BTA_AV_SDP_DISC_OK_EVT:
1363 return "SDP_DISC_OK";
1364 case BTA_AV_SDP_DISC_FAIL_EVT:
1365 return "SDP_DISC_FAIL";
1366 case BTA_AV_STR_DISC_OK_EVT:
1367 return "STR_DISC_OK";
1368 case BTA_AV_STR_DISC_FAIL_EVT:
1369 return "STR_DISC_FAIL";
1370 case BTA_AV_STR_GETCAP_OK_EVT:
1371 return "STR_GETCAP_OK";
1372 case BTA_AV_STR_GETCAP_FAIL_EVT:
1373 return "STR_GETCAP_FAIL";
1374 case BTA_AV_STR_OPEN_OK_EVT:
1375 return "STR_OPEN_OK";
1376 case BTA_AV_STR_OPEN_FAIL_EVT:
1377 return "STR_OPEN_FAIL";
1378 case BTA_AV_STR_START_OK_EVT:
1379 return "STR_START_OK";
1380 case BTA_AV_STR_START_FAIL_EVT:
1381 return "STR_START_FAIL";
1382 case BTA_AV_STR_CLOSE_EVT:
1383 return "STR_CLOSE";
1384 case BTA_AV_STR_CONFIG_IND_EVT:
1385 return "STR_CONFIG_IND";
1386 case BTA_AV_STR_SECURITY_IND_EVT:
1387 return "STR_SECURITY_IND";
1388 case BTA_AV_STR_SECURITY_CFM_EVT:
1389 return "STR_SECURITY_CFM";
1390 case BTA_AV_STR_WRITE_CFM_EVT:
1391 return "STR_WRITE_CFM";
1392 case BTA_AV_STR_SUSPEND_CFM_EVT:
1393 return "STR_SUSPEND_CFM";
1394 case BTA_AV_STR_RECONFIG_CFM_EVT:
1395 return "STR_RECONFIG_CFM";
1396 case BTA_AV_AVRC_TIMER_EVT:
1397 return "AVRC_TIMER";
1398 case BTA_AV_AVDT_CONNECT_EVT:
1399 return "AVDT_CONNECT";
1400 case BTA_AV_AVDT_DISCONNECT_EVT:
1401 return "AVDT_DISCONNECT";
1402 case BTA_AV_ROLE_CHANGE_EVT:
1403 return "ROLE_CHANGE";
1404 case BTA_AV_AVDT_DELAY_RPT_EVT:
1405 return "AVDT_DELAY_RPT";
1406 case BTA_AV_ACP_CONNECT_EVT:
1407 return "ACP_CONNECT";
1408 case BTA_AV_API_OFFLOAD_START_EVT:
1409 return "OFFLOAD_START";
1410 case BTA_AV_API_OFFLOAD_START_RSP_EVT:
1411 return "OFFLOAD_START_RSP";
1412
1413 case BTA_AV_API_ENABLE_EVT:
1414 return "API_ENABLE";
1415 case BTA_AV_API_REGISTER_EVT:
1416 return "API_REG";
1417 case BTA_AV_API_DEREGISTER_EVT:
1418 return "API_DEREG";
1419 case BTA_AV_API_DISCONNECT_EVT:
1420 return "API_DISCNT";
1421 case BTA_AV_CI_SRC_DATA_READY_EVT:
1422 return "CI_DATA_READY";
1423 case BTA_AV_SIG_CHG_EVT:
1424 return "SIG_CHG";
1425 case BTA_AV_SIGNALLING_TIMER_EVT:
1426 return "SIGNALLING_TIMER";
1427 case BTA_AV_SDP_AVRC_DISC_EVT:
1428 return "SDP_AVRC_DISC";
1429 case BTA_AV_AVRC_CLOSE_EVT:
1430 return "AVRC_CLOSE";
1431 case BTA_AV_AVRC_BROWSE_OPEN_EVT:
1432 return "AVRC_BROWSE_OPEN";
1433 case BTA_AV_AVRC_BROWSE_CLOSE_EVT:
1434 return "AVRC_BROWSE_CLOSE";
1435 case BTA_AV_CONN_CHG_EVT:
1436 return "CONN_CHG";
1437 case BTA_AV_DEREG_COMP_EVT:
1438 return "DEREG_COMP";
1439 case BTA_AV_AVDT_RPT_CONN_EVT:
1440 return "RPT_CONN";
1441 case BTA_AV_API_START_EVT:
1442 return "API_START";
1443 case BTA_AV_API_STOP_EVT:
1444 return "API_STOP";
1445 default:
1446 return "unknown";
1447 }
1448 }
1449
bta_debug_av_dump(int fd)1450 void bta_debug_av_dump(int fd) {
1451 if (appl_trace_level < BT_TRACE_LEVEL_DEBUG) return;
1452
1453 dprintf(fd, "\nBTA AV State:\n");
1454 dprintf(fd, " State Machine State: %s\n", bta_av_st_code(bta_av_cb.state));
1455 dprintf(fd, " Link signalling timer: %s\n",
1456 alarm_is_scheduled(bta_av_cb.link_signalling_timer)
1457 ? "Scheduled"
1458 : "Not scheduled");
1459 dprintf(fd, " Accept signalling timer: %s\n",
1460 alarm_is_scheduled(bta_av_cb.accept_signalling_timer)
1461 ? "Scheduled"
1462 : "Not scheduled");
1463 dprintf(fd, " SDP A2DP source handle: %d\n", bta_av_cb.sdp_a2dp_handle);
1464 dprintf(fd, " SDP A2DP sink handle: %d\n", bta_av_cb.sdp_a2dp_snk_handle);
1465 dprintf(fd, " Features: 0x%x\n", bta_av_cb.features);
1466 dprintf(fd, " Security mask: 0x%x\n", bta_av_cb.sec_mask);
1467 dprintf(fd, " SDP handle: %d\n", bta_av_cb.handle);
1468 dprintf(fd, " Disabling: %s\n", bta_av_cb.disabling ? "true" : "false");
1469 dprintf(fd, " SCO occupied: %s\n",
1470 bta_av_cb.sco_occupied ? "true" : "false");
1471 dprintf(fd, " Connected audio channels: %d\n", bta_av_cb.audio_open_cnt);
1472 dprintf(fd, " Connected audio channels mask: 0x%x\n", bta_av_cb.conn_audio);
1473 dprintf(fd, " Streaming audio channels mask: 0x%x\n",
1474 bta_av_cb.audio_streams);
1475 dprintf(fd, " Registered audio channels mask: 0x%x\n", bta_av_cb.reg_audio);
1476 dprintf(fd, " Connected LCBs mask: 0x%x\n", bta_av_cb.conn_lcb);
1477
1478 for (size_t i = 0; i < sizeof(bta_av_cb.lcb) / sizeof(bta_av_cb.lcb[0]);
1479 i++) {
1480 const tBTA_AV_LCB& lcb = bta_av_cb.lcb[i];
1481 if (lcb.addr.IsEmpty()) {
1482 continue;
1483 }
1484 dprintf(fd, "\n Link control block: %zu peer: %s\n", i,
1485 lcb.addr.ToString().c_str());
1486 dprintf(fd, " Connected stream handle mask: 0x%x\n", lcb.conn_msk);
1487 dprintf(fd, " Index(+1) to LCB: %d\n", lcb.lidx);
1488 }
1489 for (size_t i = 0; i < BTA_AV_NUM_STRS; i++) {
1490 const tBTA_AV_SCB* p_scb = bta_av_cb.p_scb[i];
1491 if (p_scb == nullptr) {
1492 continue;
1493 }
1494 if (p_scb->PeerAddress().IsEmpty()) {
1495 continue;
1496 }
1497 dprintf(fd, "\n BTA ID: %zu peer: %s\n", i,
1498 p_scb->PeerAddress().ToString().c_str());
1499 dprintf(fd, " SDP discovery started: %s\n",
1500 p_scb->sdp_discovery_started ? "true" : "false");
1501 for (size_t j = 0; j < BTAV_A2DP_CODEC_INDEX_MAX; j++) {
1502 const tBTA_AV_SEP& sep = p_scb->seps[j];
1503 if (sep.av_handle == 0) {
1504 continue;
1505 }
1506 dprintf(fd, " SEP ID: %zu\n", j);
1507 dprintf(fd, " SEP AVDTP handle: %d\n", sep.av_handle);
1508 dprintf(fd, " Local SEP type: %d\n", sep.tsep);
1509 dprintf(fd, " Codec: %s\n", A2DP_CodecName(sep.codec_info));
1510 }
1511 dprintf(fd, " BTA info tag: %d\n", p_scb->q_tag);
1512 dprintf(fd, " API Open peer: %s\n",
1513 p_scb->q_info.open.bd_addr.ToString().c_str());
1514 dprintf(fd, " Use AVRCP: %s\n",
1515 p_scb->q_info.open.use_rc ? "true" : "false");
1516 dprintf(fd, " Security mask: 0x%x\n", p_scb->q_info.open.sec_mask);
1517 dprintf(fd, " Switch result: %d\n", p_scb->q_info.open.switch_res);
1518 dprintf(fd, " Initiator UUID: 0x%x\n", p_scb->q_info.open.uuid);
1519 dprintf(fd, " Saved API Open peer: %s\n",
1520 p_scb->open_api.bd_addr.ToString().c_str());
1521 dprintf(fd, " Use AVRCP: %s\n",
1522 p_scb->open_api.use_rc ? "true" : "false");
1523 dprintf(fd, " Security mask: 0x%x\n", p_scb->open_api.sec_mask);
1524 dprintf(fd, " Switch result: %d\n", p_scb->open_api.switch_res);
1525 dprintf(fd, " Initiator UUID: 0x%x\n", p_scb->open_api.uuid);
1526 // TODO: Print p_scb->sep_info[], cfg, avrc_ct_timer, current_codec ?
1527 dprintf(fd, " L2CAP Channel ID: %d\n", p_scb->l2c_cid);
1528 dprintf(fd, " Stream MTU: %d\n", p_scb->stream_mtu);
1529 dprintf(fd, " AVDTP version: 0x%x\n", p_scb->AvdtpVersion());
1530 dprintf(fd, " Security mask: 0x%x\n", p_scb->sec_mask);
1531 dprintf(fd, " Media type: %d\n", p_scb->media_type);
1532 dprintf(fd, " Congested: %s\n", p_scb->cong ? "true" : "false");
1533 dprintf(fd, " Open status: %d\n", p_scb->open_status);
1534 dprintf(fd, " Channel: %d\n", p_scb->chnl);
1535 dprintf(fd, " BTA handle: 0x%x\n", p_scb->hndl);
1536 dprintf(fd, " Protocol service capabilities mask: 0x%x\n",
1537 p_scb->cur_psc_mask);
1538 dprintf(fd, " AVDTP handle: %d\n", p_scb->avdt_handle);
1539 dprintf(fd, " Stream control block index: %d\n", p_scb->hdi);
1540 dprintf(fd, " State machine state: %s(%d)\n",
1541 bta_av_sst_code(p_scb->state), p_scb->state);
1542 dprintf(fd, " AVDTP label: 0x%x\n", p_scb->avdt_label);
1543 dprintf(fd, " Application ID: %d\n", p_scb->app_id);
1544 dprintf(fd, " Role: 0x%x\n", p_scb->role);
1545 dprintf(fd, " Queued L2CAP buffers: %d\n", p_scb->l2c_bufs);
1546 dprintf(fd, " AVRCP allowed: %s\n", p_scb->use_rc ? "true" : "false");
1547 dprintf(fd, " Stream started: %s\n", p_scb->started ? "true" : "false");
1548 dprintf(fd, " Stream call-out started: %d\n", p_scb->co_started);
1549 dprintf(fd, " AVDTP Reconfig supported: %s\n",
1550 p_scb->recfg_sup ? "true" : "false");
1551 dprintf(fd, " AVDTP Suspend supported: %s\n",
1552 p_scb->suspend_sup ? "true" : "false");
1553 dprintf(fd, " Deregistering: %s\n",
1554 p_scb->deregistering ? "true" : "false");
1555 dprintf(fd, " SCO automatic Suspend: %s\n",
1556 p_scb->sco_suspend ? "true" : "false");
1557 dprintf(fd, " Incoming/outgoing connection collusion mask: 0x%x\n",
1558 p_scb->coll_mask);
1559 dprintf(fd, " Wait mask: 0x%x\n", p_scb->wait);
1560 dprintf(fd, " Don't use RTP header: %s\n",
1561 p_scb->no_rtp_header ? "true" : "false");
1562 dprintf(fd, " Intended UUID of Initiator to connect to: 0x%x\n",
1563 p_scb->uuid_int);
1564 }
1565 }
1566