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_4_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("%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("%s: Failed to read cached peer AVDTP version for %s", __func__,
416 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("%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("%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("%s: AVRCP version used for sdp: \"%s\"", __func__, avrcp_version);
532
533 uint16_t profile_initialized = p_data->api_reg.service_uuid;
534 if (profile_initialized == UUID_SERVCLASS_AUDIO_SINK) {
535 p_bta_av_cfg = &bta_avk_cfg;
536 } else if (profile_initialized == UUID_SERVCLASS_AUDIO_SOURCE) {
537 p_bta_av_cfg = &bta_av_cfg;
538
539 if (!strncmp(AVRCP_1_3_STRING, avrcp_version, sizeof(AVRCP_1_3_STRING))) {
540 LOG_INFO("%s: AVRCP 1.3 capabilites used", __func__);
541 p_bta_av_cfg = &bta_av_cfg_compatibility;
542 }
543 }
544
545 APPL_TRACE_DEBUG("%s: profile: 0x%x", __func__, profile_initialized);
546 if (p_bta_av_cfg == NULL) {
547 APPL_TRACE_ERROR("%s: AV configuration is null!", __func__);
548 return;
549 }
550
551 do {
552 p_scb = bta_av_alloc_scb(registr.chnl);
553 if (p_scb == NULL) {
554 APPL_TRACE_ERROR("%s: failed to alloc SCB", __func__);
555 break;
556 }
557
558 registr.hndl = p_scb->hndl;
559 p_scb->app_id = registr.app_id;
560
561 /* initialize the stream control block */
562 registr.status = BTA_AV_SUCCESS;
563
564 if (bta_av_cb.reg_audio == 0) {
565 /* the first channel registered. register to AVDTP */
566 reg.ctrl_mtu = p_bta_av_cfg->sig_mtu;
567 reg.ret_tout = BTA_AV_RET_TOUT;
568 reg.sig_tout = BTA_AV_SIG_TOUT;
569 reg.idle_tout = BTA_AV_IDLE_TOUT;
570 reg.sec_mask = bta_av_cb.sec_mask;
571 reg.scb_index = p_scb->hdi;
572 #if (BTA_AR_INCLUDED == TRUE)
573 bta_ar_reg_avdt(®, bta_av_conn_cback, BTA_ID_AV);
574 #endif
575 bta_sys_role_chg_register(&bta_av_sys_rs_cback);
576
577 /* create remote control TG service if required */
578 if (bta_av_cb.features & (BTA_AV_FEAT_RCTG)) {
579 /* register with no authorization; let AVDTP use authorization instead */
580 #if (BTA_AR_INCLUDED == TRUE)
581 #if (BTA_AV_WITH_AVCTP_AUTHORIZATION == TRUE)
582 bta_ar_reg_avct(p_bta_av_cfg->avrc_mtu, p_bta_av_cfg->avrc_br_mtu,
583 bta_av_cb.sec_mask, BTA_ID_AV);
584 #else
585 bta_ar_reg_avct(p_bta_av_cfg->avrc_mtu, p_bta_av_cfg->avrc_br_mtu,
586 (uint8_t)(bta_av_cb.sec_mask & (~BTA_SEC_AUTHORIZE)),
587 BTA_ID_AV);
588 #endif
589
590 /* For the Audio Sink role we support additional TG to support
591 * absolute volume.
592 */
593 uint16_t profile_version = AVRC_REV_1_0;
594
595 if (!strncmp(AVRCP_1_6_STRING, avrcp_version,
596 sizeof(AVRCP_1_6_STRING))) {
597 profile_version = AVRC_REV_1_6;
598 } else if (!strncmp(AVRCP_1_5_STRING, avrcp_version,
599 sizeof(AVRCP_1_5_STRING))) {
600 profile_version = AVRC_REV_1_5;
601 } else if (!strncmp(AVRCP_1_3_STRING, avrcp_version,
602 sizeof(AVRCP_1_3_STRING))) {
603 profile_version = AVRC_REV_1_3;
604 } else {
605 profile_version = AVRC_REV_1_4;
606 }
607
608 bta_ar_reg_avrc(
609 UUID_SERVCLASS_AV_REM_CTRL_TARGET, "AV Remote Control Target", NULL,
610 p_bta_av_cfg->avrc_tg_cat, BTA_ID_AV,
611 (bta_av_cb.features & BTA_AV_FEAT_BROWSE), profile_version);
612 #endif
613 }
614
615 /* Set the Capturing service class bit */
616 if (profile_initialized == UUID_SERVCLASS_AUDIO_SOURCE)
617 cod.service = BTM_COD_SERVICE_CAPTURING;
618 else if (profile_initialized == UUID_SERVCLASS_AUDIO_SINK)
619 cod.service = BTM_COD_SERVICE_RENDERING;
620 utl_set_device_class(&cod, BTA_UTL_SET_COD_SERVICE_CLASS);
621 } /* if 1st channel */
622
623 /* get stream configuration and create stream */
624 avdtp_stream_config.cfg.num_codec = 1;
625 avdtp_stream_config.nsc_mask = AvdtpStreamConfig::AVDT_NSC_RECONFIG;
626 if (!(bta_av_cb.features & BTA_AV_FEAT_PROTECT)) {
627 avdtp_stream_config.nsc_mask |= AvdtpStreamConfig::AVDT_NSC_SECURITY;
628 }
629 APPL_TRACE_DEBUG("%s: nsc_mask: 0x%x", __func__,
630 avdtp_stream_config.nsc_mask);
631
632 if (p_data->api_reg.p_service_name[0] == 0) {
633 p_service_name = NULL;
634 } else {
635 p_service_name = p_data->api_reg.p_service_name;
636 }
637
638 p_scb->suspend_sup = true;
639 p_scb->recfg_sup = true;
640
641 avdtp_stream_config.scb_index = p_scb->hdi;
642 avdtp_stream_config.p_avdt_ctrl_cback = &bta_av_proc_stream_evt;
643
644 /* set up the audio stream control block */
645 p_scb->p_act_tbl = (const tBTA_AV_ACT*)bta_av_a2dp_action;
646 p_scb->p_cos = &bta_av_a2dp_cos;
647 p_scb->media_type = AVDT_MEDIA_TYPE_AUDIO;
648 avdtp_stream_config.cfg.psc_mask = AVDT_PSC_TRANS;
649 avdtp_stream_config.media_type = AVDT_MEDIA_TYPE_AUDIO;
650 avdtp_stream_config.mtu = p_bta_av_cfg->audio_mtu;
651 avdtp_stream_config.flush_to = L2CAP_DEFAULT_FLUSH_TO;
652 btav_a2dp_codec_index_t codec_index_min = BTAV_A2DP_CODEC_INDEX_SOURCE_MIN;
653 btav_a2dp_codec_index_t codec_index_max = BTAV_A2DP_CODEC_INDEX_SOURCE_MAX;
654
655 if (bta_av_cb.features & BTA_AV_FEAT_REPORT) {
656 avdtp_stream_config.cfg.psc_mask |= AVDT_PSC_REPORT;
657 avdtp_stream_config.p_report_cback = bta_av_a2dp_report_cback;
658 }
659 if (bta_av_cb.features & BTA_AV_FEAT_DELAY_RPT)
660 avdtp_stream_config.cfg.psc_mask |= AVDT_PSC_DELAY_RPT;
661
662 if (profile_initialized == UUID_SERVCLASS_AUDIO_SOURCE) {
663 avdtp_stream_config.tsep = AVDT_TSEP_SRC;
664 codec_index_min = BTAV_A2DP_CODEC_INDEX_SOURCE_MIN;
665 codec_index_max = BTAV_A2DP_CODEC_INDEX_SOURCE_MAX;
666 } else if (profile_initialized == UUID_SERVCLASS_AUDIO_SINK) {
667 avdtp_stream_config.tsep = AVDT_TSEP_SNK;
668 avdtp_stream_config.p_sink_data_cback = bta_av_sink_data_cback;
669 codec_index_min = BTAV_A2DP_CODEC_INDEX_SINK_MIN;
670 codec_index_max = BTAV_A2DP_CODEC_INDEX_SINK_MAX;
671 }
672
673 /* Initialize handles to zero */
674 for (int xx = 0; xx < BTAV_A2DP_CODEC_INDEX_MAX; xx++) {
675 p_scb->seps[xx].av_handle = 0;
676 }
677
678 /* keep the configuration in the stream control block */
679 p_scb->cfg = avdtp_stream_config.cfg;
680 for (int i = codec_index_min; i < codec_index_max; i++) {
681 btav_a2dp_codec_index_t codec_index =
682 static_cast<btav_a2dp_codec_index_t>(i);
683 if (!bta_av_co_is_supported_codec(codec_index)) {
684 continue;
685 }
686 if (!(*bta_av_a2dp_cos.init)(codec_index, &avdtp_stream_config.cfg)) {
687 continue;
688 }
689 if (AVDT_CreateStream(p_scb->app_id, &p_scb->seps[codec_index].av_handle,
690 avdtp_stream_config) != AVDT_SUCCESS) {
691 APPL_TRACE_WARNING(
692 "%s: bta_handle=0x%x (app_id %d) failed to alloc an SEP index:%d",
693 __func__, p_scb->hndl, p_scb->app_id, codec_index);
694 continue;
695 }
696 /* Save a copy of the codec */
697 memcpy(p_scb->seps[codec_index].codec_info,
698 avdtp_stream_config.cfg.codec_info, AVDT_CODEC_SIZE);
699 p_scb->seps[codec_index].tsep = avdtp_stream_config.tsep;
700 if (avdtp_stream_config.tsep == AVDT_TSEP_SNK) {
701 p_scb->seps[codec_index].p_app_sink_data_cback =
702 p_data->api_reg.p_app_sink_data_cback;
703 } else {
704 /* In case of A2DP SOURCE we don't need a callback to
705 * handle media packets.
706 */
707 p_scb->seps[codec_index].p_app_sink_data_cback = NULL;
708 }
709 }
710
711 if (!bta_av_cb.reg_audio) {
712 bta_av_cb.sdp_a2dp_handle = 0;
713 bta_av_cb.sdp_a2dp_snk_handle = 0;
714 if (profile_initialized == UUID_SERVCLASS_AUDIO_SOURCE) {
715 /* create the SDP records on the 1st audio channel */
716 bta_av_cb.sdp_a2dp_handle = SDP_CreateRecord();
717 A2DP_AddRecord(UUID_SERVCLASS_AUDIO_SOURCE, p_service_name, NULL,
718 A2DP_SUPF_PLAYER, bta_av_cb.sdp_a2dp_handle);
719 bta_sys_add_uuid(UUID_SERVCLASS_AUDIO_SOURCE);
720 } else if (profile_initialized == UUID_SERVCLASS_AUDIO_SINK) {
721 #if (BTA_AV_SINK_INCLUDED == TRUE)
722 bta_av_cb.sdp_a2dp_snk_handle = SDP_CreateRecord();
723 A2DP_AddRecord(UUID_SERVCLASS_AUDIO_SINK, p_service_name, NULL,
724 A2DP_SUPF_PLAYER, bta_av_cb.sdp_a2dp_snk_handle);
725 bta_sys_add_uuid(UUID_SERVCLASS_AUDIO_SINK);
726 #endif
727 }
728 /* start listening when A2DP is registered */
729 if (bta_av_cb.features & BTA_AV_FEAT_RCTG)
730 bta_av_rc_create(&bta_av_cb, AVCT_ACP, 0, BTA_AV_NUM_LINKS + 1);
731
732 /* if the AV and AVK are both supported, it cannot support the CT role
733 */
734 if (bta_av_cb.features & (BTA_AV_FEAT_RCCT)) {
735 /* if TG is not supported, we need to register to AVCT now */
736 if ((bta_av_cb.features & (BTA_AV_FEAT_RCTG)) == 0) {
737 #if (BTA_AR_INCLUDED == TRUE)
738 #if (BTA_AV_WITH_AVCTP_AUTHORIZATION == TRUE)
739 bta_ar_reg_avct(p_bta_av_cfg->avrc_mtu, p_bta_av_cfg->avrc_br_mtu,
740 bta_av_cb.sec_mask, BTA_ID_AV);
741 #else
742 bta_ar_reg_avct(p_bta_av_cfg->avrc_mtu, p_bta_av_cfg->avrc_br_mtu,
743 (uint8_t)(bta_av_cb.sec_mask & (~BTA_SEC_AUTHORIZE)),
744 BTA_ID_AV);
745 #endif
746 #endif
747 bta_av_rc_create(&bta_av_cb, AVCT_ACP, 0, BTA_AV_NUM_LINKS + 1);
748 }
749 #if (BTA_AR_INCLUDED == TRUE)
750 /* create an SDP record as AVRC CT. We create 1.3 for SOURCE
751 * because we rely on feature bits being scanned by external
752 * devices more than the profile version itself.
753 *
754 * We create 1.4 for SINK since we support browsing.
755 */
756 if (profile_initialized == UUID_SERVCLASS_AUDIO_SOURCE) {
757 bta_ar_reg_avrc(UUID_SERVCLASS_AV_REMOTE_CONTROL, NULL, NULL,
758 p_bta_av_cfg->avrc_ct_cat, BTA_ID_AV,
759 (bta_av_cb.features & BTA_AV_FEAT_BROWSE),
760 AVRC_REV_1_3);
761 } else if (profile_initialized == UUID_SERVCLASS_AUDIO_SINK) {
762 bta_ar_reg_avrc(UUID_SERVCLASS_AV_REMOTE_CONTROL, NULL, NULL,
763 p_bta_av_cfg->avrc_ct_cat, BTA_ID_AV,
764 (bta_av_cb.features & BTA_AV_FEAT_BROWSE),
765 AVRC_REV_1_6);
766 }
767 #endif
768 }
769 }
770 bta_av_cb.reg_audio |= BTA_AV_HNDL_TO_MSK(p_scb->hdi);
771 APPL_TRACE_DEBUG("%s: reg_audio: 0x%x", __func__, bta_av_cb.reg_audio);
772 } while (0);
773
774 /* call callback with register event */
775 tBTA_AV bta_av_data;
776 bta_av_data.registr = registr;
777 (*bta_av_cb.p_cback)(BTA_AV_REGISTER_EVT, &bta_av_data);
778 }
779
780 /*******************************************************************************
781 *
782 * Function bta_av_api_deregister
783 *
784 * Description de-register a channel
785 *
786 *
787 * Returns void
788 *
789 ******************************************************************************/
bta_av_api_deregister(tBTA_AV_DATA * p_data)790 void bta_av_api_deregister(tBTA_AV_DATA* p_data) {
791 tBTA_AV_SCB* p_scb = bta_av_hndl_to_scb(p_data->hdr.layer_specific);
792
793 if (p_scb) {
794 p_scb->deregistering = true;
795 bta_av_ssm_execute(p_scb, BTA_AV_API_CLOSE_EVT, p_data);
796 } else {
797 bta_av_dereg_comp(p_data);
798 }
799 }
800
801 /*******************************************************************************
802 *
803 * Function bta_av_ci_data
804 *
805 * Description Forward the BTA_AV_CI_SRC_DATA_READY_EVT to stream state
806 * machine.
807 *
808 *
809 * Returns void
810 *
811 ******************************************************************************/
bta_av_ci_data(tBTA_AV_DATA * p_data)812 static void bta_av_ci_data(tBTA_AV_DATA* p_data) {
813 tBTA_AV_SCB* p_scb;
814 int i;
815 uint8_t chnl = (uint8_t)p_data->hdr.layer_specific;
816
817 for (i = 0; i < BTA_AV_NUM_STRS; i++) {
818 p_scb = bta_av_cb.p_scb[i];
819
820 if (p_scb && p_scb->chnl == chnl) {
821 bta_av_ssm_execute(p_scb, BTA_AV_SRC_DATA_READY_EVT, p_data);
822 }
823 }
824 }
825
826 /*******************************************************************************
827 *
828 * Function bta_av_rpc_conn
829 *
830 * Description report report channel open
831 *
832 * Returns void
833 *
834 ******************************************************************************/
bta_av_rpc_conn(UNUSED_ATTR tBTA_AV_DATA * p_data)835 static void bta_av_rpc_conn(UNUSED_ATTR tBTA_AV_DATA* p_data) {}
836
837 /*******************************************************************************
838 *
839 * Function bta_av_api_to_ssm
840 *
841 * Description forward the API request to stream state machine
842 *
843 *
844 * Returns void
845 *
846 ******************************************************************************/
bta_av_api_to_ssm(tBTA_AV_DATA * p_data)847 static void bta_av_api_to_ssm(tBTA_AV_DATA* p_data) {
848 uint16_t event =
849 p_data->hdr.event - BTA_AV_FIRST_A2S_API_EVT + BTA_AV_FIRST_A2S_SSM_EVT;
850 tBTA_AV_HNDL handle = p_data->hdr.layer_specific;
851 tBTA_AV_SCB* p_scb = bta_av_hndl_to_scb(handle);
852
853 if (p_scb != nullptr) {
854 bta_av_ssm_execute(p_scb, event, p_data);
855 }
856 }
857
858 /*******************************************************************************
859 *
860 * Function bta_av_chk_start
861 *
862 * Description if this is audio channel, check if more than one audio
863 * channel is connected & already started.
864 * This function needs to be kept very similar to
865 * bta_av_chk_2nd_start
866 *
867 * Returns true, if need api_start
868 *
869 ******************************************************************************/
bta_av_chk_start(tBTA_AV_SCB * p_scb)870 bool bta_av_chk_start(tBTA_AV_SCB* p_scb) {
871 bool start = false;
872
873 if ((p_scb->chnl == BTA_AV_CHNL_AUDIO) && (bta_av_cb.audio_open_cnt >= 2) &&
874 (((p_scb->role & BTA_AV_ROLE_AD_ACP) == 0) || // Outgoing connection or
875 (bta_av_cb.features & BTA_AV_FEAT_ACP_START))) { // Auto-starting option
876 // More than one audio channel is connected.
877 // If this is the 2nd stream as ACP, give INT a chance to issue the START
878 // command.
879 for (int i = 0; i < BTA_AV_NUM_STRS; i++) {
880 tBTA_AV_SCB* p_scbi = bta_av_cb.p_scb[i];
881 if (p_scbi && p_scbi->chnl == BTA_AV_CHNL_AUDIO && p_scbi->co_started) {
882 start = true;
883 // May need to update the flush timeout of this already started stream
884 if (p_scbi->co_started != bta_av_cb.audio_open_cnt) {
885 p_scbi->co_started = bta_av_cb.audio_open_cnt;
886 L2CA_SetFlushTimeout(
887 p_scbi->PeerAddress(),
888 p_bta_av_cfg->p_audio_flush_to[p_scbi->co_started - 1]);
889 }
890 }
891 }
892 }
893
894 LOG_INFO(
895 "%s: peer %s channel:%d bta_av_cb.audio_open_cnt:%d role:0x%x "
896 "features:0x%x start:%s",
897 __func__, p_scb->PeerAddress().ToString().c_str(), p_scb->chnl,
898 bta_av_cb.audio_open_cnt, p_scb->role, bta_av_cb.features,
899 logbool(start).c_str());
900 return start;
901 }
902
903 /*******************************************************************************
904 *
905 * Function bta_av_restore_switch
906 *
907 * Description assume that the caller of this function already makes
908 * sure that there's only one ACL connection left
909 *
910 * Returns void
911 *
912 ******************************************************************************/
bta_av_restore_switch(void)913 void bta_av_restore_switch(void) {
914 tBTA_AV_CB* p_cb = &bta_av_cb;
915 int i;
916 uint8_t mask;
917 uint8_t set_policy = (HCI_ENABLE_SNIFF_MODE | HCI_ENABLE_MASTER_SLAVE_SWITCH);
918
919 APPL_TRACE_DEBUG("%s: reg_audio: 0x%x", __func__, bta_av_cb.reg_audio);
920 for (i = 0; i < BTA_AV_NUM_STRS; i++) {
921 mask = BTA_AV_HNDL_TO_MSK(i);
922 if (p_cb->conn_audio == mask) {
923 if (p_cb->p_scb[i]) {
924 bta_sys_set_policy(BTA_ID_AV, set_policy,
925 p_cb->p_scb[i]->PeerAddress());
926 }
927 break;
928 }
929 }
930 }
931
932 /*******************************************************************************
933 *
934 * Function bta_av_sys_rs_cback
935 *
936 * Description Receives the role change event from dm
937 *
938 * Returns (BTA_SYS_ROLE_CHANGE, new_role, hci_status, p_bda)
939 *
940 ******************************************************************************/
bta_av_sys_rs_cback(UNUSED_ATTR tBTA_SYS_CONN_STATUS status,uint8_t id,uint8_t app_id,const RawAddress & peer_addr)941 static void bta_av_sys_rs_cback(UNUSED_ATTR tBTA_SYS_CONN_STATUS status,
942 uint8_t id, uint8_t app_id,
943 const RawAddress& peer_addr) {
944 int i;
945 tBTA_AV_SCB* p_scb = NULL;
946 uint8_t cur_role;
947 uint8_t peer_idx = 0;
948 uint8_t set_policy = (HCI_ENABLE_SNIFF_MODE | HCI_ENABLE_MASTER_SLAVE_SWITCH);
949
950 APPL_TRACE_DEBUG(
951 "%s: peer %s new_role:%d hci_status:0x%x bta_av_cb.rs_idx:%d", __func__,
952 peer_addr.ToString().c_str(), id, app_id, bta_av_cb.rs_idx);
953
954 for (i = 0; i < BTA_AV_NUM_STRS; i++) {
955 /* loop through all the SCBs to find matching peer addresses and report the
956 * role change event */
957 /* note that more than one SCB (a2dp & vdp) maybe waiting for this event */
958 p_scb = bta_av_cb.p_scb[i];
959 if (p_scb && p_scb->PeerAddress() == peer_addr) {
960 tBTA_AV_ROLE_RES* p_buf =
961 (tBTA_AV_ROLE_RES*)osi_malloc(sizeof(tBTA_AV_ROLE_RES));
962 APPL_TRACE_DEBUG(
963 "%s: peer %s found: new_role:%d, hci_status:0x%x bta_handle:0x%x",
964 __func__, peer_addr.ToString().c_str(), id, app_id, p_scb->hndl);
965 /*
966 if ((id != BTM_ROLE_MASTER) && (app_id != HCI_SUCCESS))
967 {
968 bta_sys_set_policy(BTA_ID_AV, set_policy, p_scb->PeerAddress());
969 }
970 */
971 p_buf->hdr.event = BTA_AV_ROLE_CHANGE_EVT;
972 p_buf->hdr.layer_specific = p_scb->hndl;
973 p_buf->new_role = id;
974 p_buf->hci_status = app_id;
975 bta_sys_sendmsg(p_buf);
976
977 peer_idx = p_scb->hdi + 1; /* Handle index for the peer_addr */
978 }
979 }
980
981 /* restore role switch policy, if role switch failed */
982 if ((HCI_SUCCESS != app_id) &&
983 (BTM_GetRole(peer_addr, &cur_role) == BTM_SUCCESS) &&
984 (cur_role == BTM_ROLE_SLAVE)) {
985 bta_sys_set_policy(BTA_ID_AV, set_policy, peer_addr);
986 }
987
988 /* if BTA_AvOpen() was called for other device, which caused the role switch
989 * of the peer_addr, */
990 /* we need to continue opening process for the BTA_AvOpen(). */
991 if ((bta_av_cb.rs_idx != 0) && (bta_av_cb.rs_idx != peer_idx)) {
992 if ((bta_av_cb.rs_idx - 1) < BTA_AV_NUM_STRS) {
993 p_scb = bta_av_cb.p_scb[bta_av_cb.rs_idx - 1];
994 }
995 if (p_scb && p_scb->q_tag == BTA_AV_Q_TAG_OPEN) {
996 APPL_TRACE_DEBUG("%s: peer %s rs_idx:%d, bta_handle:0x%x q_tag:%d",
997 __func__, p_scb->PeerAddress().ToString().c_str(),
998 bta_av_cb.rs_idx, p_scb->hndl, p_scb->q_tag);
999
1000 if (HCI_SUCCESS == app_id || HCI_ERR_NO_CONNECTION == app_id) {
1001 p_scb->q_info.open.switch_res = BTA_AV_RS_OK;
1002 } else {
1003 APPL_TRACE_ERROR(
1004 "%s: peer %s (p_scb peer %s) role switch failed: new_role:%d "
1005 "hci_status:0x%x",
1006 __func__, peer_addr.ToString().c_str(),
1007 p_scb->PeerAddress().ToString().c_str(), id, app_id);
1008 p_scb->q_info.open.switch_res = BTA_AV_RS_FAIL;
1009 }
1010
1011 /* Continue av open process */
1012 bta_av_do_disc_a2dp(p_scb, (tBTA_AV_DATA*)&(p_scb->q_info.open));
1013 }
1014
1015 bta_av_cb.rs_idx = 0;
1016 }
1017 }
1018
1019 /*******************************************************************************
1020 *
1021 * Function bta_av_sco_chg_cback
1022 *
1023 * Description receive & process the SCO connection up/down event from sys.
1024 * call setup also triggers this callback, to suspend av before
1025 * SCO activity happens, or to resume av once call ends.
1026 *
1027 * Returns void
1028 *
1029 ******************************************************************************/
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)1030 static void bta_av_sco_chg_cback(tBTA_SYS_CONN_STATUS status, uint8_t id,
1031 UNUSED_ATTR uint8_t app_id,
1032 UNUSED_ATTR const RawAddress& peer_addr) {
1033 tBTA_AV_SCB* p_scb;
1034 int i;
1035 tBTA_AV_API_STOP stop;
1036
1037 LOG(INFO) << __func__ << ": status=" << +status << ", num_links=" << +id;
1038 if (id) {
1039 bta_av_cb.sco_occupied = true;
1040
1041 if (bta_av_cb.features & BTA_AV_FEAT_NO_SCO_SSPD) {
1042 return;
1043 }
1044
1045 /* either BTA_SYS_SCO_OPEN or BTA_SYS_SCO_CLOSE with remaining active SCO */
1046 for (i = 0; i < BTA_AV_NUM_STRS; i++) {
1047 p_scb = bta_av_cb.p_scb[i];
1048
1049 if (p_scb && p_scb->co_started && (!p_scb->sco_suspend)) {
1050 VLOG(1) << __func__ << ": suspending scb:" << i;
1051 /* scb is used and started, not suspended automatically */
1052 p_scb->sco_suspend = true;
1053 stop.flush = false;
1054 stop.suspend = true;
1055 stop.reconfig_stop = false;
1056 bta_av_ssm_execute(p_scb, BTA_AV_AP_STOP_EVT, (tBTA_AV_DATA*)&stop);
1057 }
1058 }
1059 } else {
1060 bta_av_cb.sco_occupied = false;
1061
1062 if (bta_av_cb.features & BTA_AV_FEAT_NO_SCO_SSPD) {
1063 return;
1064 }
1065
1066 for (i = 0; i < BTA_AV_NUM_STRS; i++) {
1067 p_scb = bta_av_cb.p_scb[i];
1068
1069 if (p_scb && p_scb->sco_suspend) /* scb is used and suspended for SCO */
1070 {
1071 VLOG(1) << __func__ << ": starting scb:" << i;
1072 bta_av_ssm_execute(p_scb, BTA_AV_AP_START_EVT, NULL);
1073 }
1074 }
1075 }
1076 }
1077
1078 /*******************************************************************************
1079 *
1080 * Function bta_av_switch_if_needed
1081 *
1082 * Description This function checks if there is another existing AV
1083 * channel that is local as slave role.
1084 * If so, role switch and remove it from link policy.
1085 *
1086 * Returns true, if role switch is done
1087 *
1088 ******************************************************************************/
bta_av_switch_if_needed(tBTA_AV_SCB * p_scb)1089 bool bta_av_switch_if_needed(tBTA_AV_SCB* p_scb) {
1090 // TODO: A workaround for devices that are connected first, become
1091 // Master, and block follow-up role changes - b/72122792 .
1092 return false;
1093 #if 0
1094 uint8_t role;
1095 bool needed = false;
1096 tBTA_AV_SCB* p_scbi;
1097 int i;
1098 uint8_t mask;
1099
1100 for (i = 0; i < BTA_AV_NUM_STRS; i++) {
1101 mask = BTA_AV_HNDL_TO_MSK(i);
1102 p_scbi = bta_av_cb.p_scb[i];
1103 if (p_scbi && (p_scb->hdi != i) && /* not the original channel */
1104 ((bta_av_cb.conn_audio & mask))) /* connected audio */
1105 {
1106 BTM_GetRole(p_scbi->PeerAddress(), &role);
1107 /* this channel is open - clear the role switch link policy for this link
1108 */
1109 if (BTM_ROLE_MASTER != role) {
1110 if (bta_av_cb.features & BTA_AV_FEAT_MASTER)
1111 bta_sys_clear_policy(BTA_ID_AV, HCI_ENABLE_MASTER_SLAVE_SWITCH,
1112 p_scbi->PeerAddress());
1113 if (BTM_CMD_STARTED !=
1114 BTM_SwitchRole(p_scbi->PeerAddress(), BTM_ROLE_MASTER, NULL)) {
1115 /* can not switch role on SCBI
1116 * start the timer on SCB - because this function is ONLY called when
1117 * SCB gets API_OPEN */
1118 bta_sys_start_timer(p_scb->avrc_ct_timer, BTA_AV_RS_TIME_VAL,
1119 BTA_AV_AVRC_TIMER_EVT, p_scb->hndl);
1120 }
1121 needed = true;
1122 /* mark the original channel as waiting for RS result */
1123 bta_av_cb.rs_idx = p_scb->hdi + 1;
1124 break;
1125 }
1126 }
1127 }
1128 return needed;
1129 #endif
1130 }
1131
1132 /*******************************************************************************
1133 *
1134 * Function bta_av_link_role_ok
1135 *
1136 * Description This function checks if the SCB has existing ACL connection
1137 * If so, check if the link role fits the requirements.
1138 *
1139 * Returns true, if role is ok
1140 *
1141 ******************************************************************************/
bta_av_link_role_ok(tBTA_AV_SCB * p_scb,uint8_t bits)1142 bool bta_av_link_role_ok(tBTA_AV_SCB* p_scb, uint8_t bits) {
1143 uint8_t role;
1144 bool is_ok = true;
1145
1146 if (BTM_GetRole(p_scb->PeerAddress(), &role) == BTM_SUCCESS) {
1147 LOG_INFO(
1148 "%s: peer %s bta_handle:0x%x role:%d conn_audio:0x%x bits:%d "
1149 "features:0x%x",
1150 __func__, p_scb->PeerAddress().ToString().c_str(), p_scb->hndl, role,
1151 bta_av_cb.conn_audio, bits, bta_av_cb.features);
1152 if (BTM_ROLE_MASTER != role &&
1153 (A2DP_BitsSet(bta_av_cb.conn_audio) > bits ||
1154 (bta_av_cb.features & BTA_AV_FEAT_MASTER))) {
1155 if (bta_av_cb.features & BTA_AV_FEAT_MASTER)
1156 bta_sys_clear_policy(BTA_ID_AV, HCI_ENABLE_MASTER_SLAVE_SWITCH,
1157 p_scb->PeerAddress());
1158
1159 tBTM_STATUS status =
1160 BTM_SwitchRole(p_scb->PeerAddress(), BTM_ROLE_MASTER, NULL);
1161 if (status != BTM_CMD_STARTED) {
1162 /* can not switch role on SCB - start the timer on SCB */
1163 LOG_ERROR("%s: peer %s BTM_SwitchRole(BTM_ROLE_MASTER) error: %d",
1164 __func__, p_scb->PeerAddress().ToString().c_str(), status);
1165 }
1166 if (status != BTM_MODE_UNSUPPORTED && status != BTM_DEV_BLACKLISTED) {
1167 is_ok = false;
1168 p_scb->wait |= BTA_AV_WAIT_ROLE_SW_RES_START;
1169 }
1170 }
1171 }
1172
1173 return is_ok;
1174 }
1175
1176 /*******************************************************************************
1177 *
1178 * Function bta_av_dup_audio_buf
1179 *
1180 * Description dup the audio data to the q_info.a2dp of other audio
1181 * channels
1182 *
1183 * Returns void
1184 *
1185 ******************************************************************************/
bta_av_dup_audio_buf(tBTA_AV_SCB * p_scb,BT_HDR * p_buf)1186 void bta_av_dup_audio_buf(tBTA_AV_SCB* p_scb, BT_HDR* p_buf) {
1187 /* Test whether there is more than one audio channel connected */
1188 if ((p_buf == NULL) || (bta_av_cb.audio_open_cnt < 2)) return;
1189
1190 uint16_t copy_size = BT_HDR_SIZE + p_buf->len + p_buf->offset;
1191 for (int i = 0; i < BTA_AV_NUM_STRS; i++) {
1192 tBTA_AV_SCB* p_scbi = bta_av_cb.p_scb[i];
1193
1194 if (i == p_scb->hdi) continue; /* Ignore the original channel */
1195 if ((p_scbi == NULL) || !p_scbi->co_started)
1196 continue; /* Ignore if SCB is not used or started */
1197 if (!(bta_av_cb.conn_audio & BTA_AV_HNDL_TO_MSK(i)))
1198 continue; /* Audio is not connected */
1199
1200 /* Enqueue the data */
1201 BT_HDR* p_new = (BT_HDR*)osi_malloc(copy_size);
1202 memcpy(p_new, p_buf, copy_size);
1203 list_append(p_scbi->a2dp_list, p_new);
1204
1205 if (list_length(p_scbi->a2dp_list) > p_bta_av_cfg->audio_mqs) {
1206 // Drop the oldest packet
1207 bta_av_co_audio_drop(p_scbi->hndl, p_scbi->PeerAddress());
1208 BT_HDR* p_buf_drop = static_cast<BT_HDR*>(list_front(p_scbi->a2dp_list));
1209 list_remove(p_scbi->a2dp_list, p_buf_drop);
1210 osi_free(p_buf_drop);
1211 }
1212 }
1213 }
1214
1215 /*******************************************************************************
1216 *
1217 * Function bta_av_sm_execute
1218 *
1219 * Description State machine event handling function for AV
1220 *
1221 *
1222 * Returns void
1223 *
1224 ******************************************************************************/
bta_av_sm_execute(tBTA_AV_CB * p_cb,uint16_t event,tBTA_AV_DATA * p_data)1225 void bta_av_sm_execute(tBTA_AV_CB* p_cb, uint16_t event, tBTA_AV_DATA* p_data) {
1226 tBTA_AV_ST_TBL state_table;
1227 uint8_t action;
1228
1229 APPL_TRACE_EVENT("%s: AV event=0x%x(%s) state=%d(%s)", __func__, event,
1230 bta_av_evt_code(event), p_cb->state,
1231 bta_av_st_code(p_cb->state));
1232
1233 /* look up the state table for the current state */
1234 state_table = bta_av_st_tbl[p_cb->state];
1235
1236 event &= 0x00FF;
1237
1238 /* set next state */
1239 p_cb->state = state_table[event][BTA_AV_NEXT_STATE];
1240 APPL_TRACE_EVENT("%s: next state=%d event offset:%d", __func__, p_cb->state,
1241 event);
1242
1243 /* execute action functions */
1244 action = state_table[event][BTA_AV_ACTION_COL];
1245 if (action != BTA_AV_IGNORE) {
1246 APPL_TRACE_EVENT("%s: action executed %d", __func__, action);
1247 (*bta_av_action[action])(p_cb, p_data);
1248 }
1249 }
1250
1251 /*******************************************************************************
1252 *
1253 * Function bta_av_hdl_event
1254 *
1255 * Description Advanced audio/video main event handling function.
1256 *
1257 *
1258 * Returns bool
1259 *
1260 ******************************************************************************/
bta_av_hdl_event(BT_HDR * p_msg)1261 bool bta_av_hdl_event(BT_HDR* p_msg) {
1262 if (p_msg->event > BTA_AV_LAST_EVT) {
1263 return true; /* to free p_msg */
1264 }
1265 if (p_msg->event >= BTA_AV_FIRST_NSM_EVT) {
1266 APPL_TRACE_VERBOSE("%s: AV nsm event=0x%x(%s)", __func__, p_msg->event,
1267 bta_av_evt_code(p_msg->event));
1268 /* non state machine events */
1269 (*bta_av_nsm_act[p_msg->event - BTA_AV_FIRST_NSM_EVT])(
1270 (tBTA_AV_DATA*)p_msg);
1271 } else if (p_msg->event >= BTA_AV_FIRST_SM_EVT &&
1272 p_msg->event <= BTA_AV_LAST_SM_EVT) {
1273 APPL_TRACE_VERBOSE("%s: AV sm event=0x%x(%s)", __func__, p_msg->event,
1274 bta_av_evt_code(p_msg->event));
1275 /* state machine events */
1276 bta_av_sm_execute(&bta_av_cb, p_msg->event, (tBTA_AV_DATA*)p_msg);
1277 } else {
1278 APPL_TRACE_VERBOSE("%s: bta_handle=0x%x", __func__, p_msg->layer_specific);
1279 /* stream state machine events */
1280 bta_av_ssm_execute(bta_av_hndl_to_scb(p_msg->layer_specific), p_msg->event,
1281 (tBTA_AV_DATA*)p_msg);
1282 }
1283 return true;
1284 }
1285
1286 /*****************************************************************************
1287 * Debug Functions
1288 ****************************************************************************/
1289 /*******************************************************************************
1290 *
1291 * Function bta_av_st_code
1292 *
1293 * Description
1294 *
1295 * Returns char *
1296 *
1297 ******************************************************************************/
bta_av_st_code(uint8_t state)1298 static const char* bta_av_st_code(uint8_t state) {
1299 switch (state) {
1300 case BTA_AV_INIT_ST:
1301 return "INIT";
1302 case BTA_AV_OPEN_ST:
1303 return "OPEN";
1304 default:
1305 return "unknown";
1306 }
1307 }
1308 /*******************************************************************************
1309 *
1310 * Function bta_av_evt_code
1311 *
1312 * Description
1313 *
1314 * Returns char *
1315 *
1316 ******************************************************************************/
bta_av_evt_code(uint16_t evt_code)1317 const char* bta_av_evt_code(uint16_t evt_code) {
1318 switch (evt_code) {
1319 case BTA_AV_API_DISABLE_EVT:
1320 return "API_DISABLE";
1321 case BTA_AV_API_REMOTE_CMD_EVT:
1322 return "API_REMOTE_CMD";
1323 case BTA_AV_API_VENDOR_CMD_EVT:
1324 return "API_VENDOR_CMD";
1325 case BTA_AV_API_VENDOR_RSP_EVT:
1326 return "API_VENDOR_RSP";
1327 case BTA_AV_API_META_RSP_EVT:
1328 return "API_META_RSP_EVT";
1329 case BTA_AV_API_RC_CLOSE_EVT:
1330 return "API_RC_CLOSE";
1331 case BTA_AV_AVRC_OPEN_EVT:
1332 return "AVRC_OPEN";
1333 case BTA_AV_AVRC_MSG_EVT:
1334 return "AVRC_MSG";
1335 case BTA_AV_AVRC_NONE_EVT:
1336 return "AVRC_NONE";
1337
1338 case BTA_AV_API_OPEN_EVT:
1339 return "API_OPEN";
1340 case BTA_AV_API_CLOSE_EVT:
1341 return "API_CLOSE";
1342 case BTA_AV_AP_START_EVT:
1343 return "AP_START";
1344 case BTA_AV_AP_STOP_EVT:
1345 return "AP_STOP";
1346 case BTA_AV_API_RECONFIG_EVT:
1347 return "API_RECONFIG";
1348 case BTA_AV_API_PROTECT_REQ_EVT:
1349 return "API_PROTECT_REQ";
1350 case BTA_AV_API_PROTECT_RSP_EVT:
1351 return "API_PROTECT_RSP";
1352 case BTA_AV_API_RC_OPEN_EVT:
1353 return "API_RC_OPEN";
1354 case BTA_AV_SRC_DATA_READY_EVT:
1355 return "SRC_DATA_READY";
1356 case BTA_AV_CI_SETCONFIG_OK_EVT:
1357 return "CI_SETCONFIG_OK";
1358 case BTA_AV_CI_SETCONFIG_FAIL_EVT:
1359 return "CI_SETCONFIG_FAIL";
1360 case BTA_AV_SDP_DISC_OK_EVT:
1361 return "SDP_DISC_OK";
1362 case BTA_AV_SDP_DISC_FAIL_EVT:
1363 return "SDP_DISC_FAIL";
1364 case BTA_AV_STR_DISC_OK_EVT:
1365 return "STR_DISC_OK";
1366 case BTA_AV_STR_DISC_FAIL_EVT:
1367 return "STR_DISC_FAIL";
1368 case BTA_AV_STR_GETCAP_OK_EVT:
1369 return "STR_GETCAP_OK";
1370 case BTA_AV_STR_GETCAP_FAIL_EVT:
1371 return "STR_GETCAP_FAIL";
1372 case BTA_AV_STR_OPEN_OK_EVT:
1373 return "STR_OPEN_OK";
1374 case BTA_AV_STR_OPEN_FAIL_EVT:
1375 return "STR_OPEN_FAIL";
1376 case BTA_AV_STR_START_OK_EVT:
1377 return "STR_START_OK";
1378 case BTA_AV_STR_START_FAIL_EVT:
1379 return "STR_START_FAIL";
1380 case BTA_AV_STR_CLOSE_EVT:
1381 return "STR_CLOSE";
1382 case BTA_AV_STR_CONFIG_IND_EVT:
1383 return "STR_CONFIG_IND";
1384 case BTA_AV_STR_SECURITY_IND_EVT:
1385 return "STR_SECURITY_IND";
1386 case BTA_AV_STR_SECURITY_CFM_EVT:
1387 return "STR_SECURITY_CFM";
1388 case BTA_AV_STR_WRITE_CFM_EVT:
1389 return "STR_WRITE_CFM";
1390 case BTA_AV_STR_SUSPEND_CFM_EVT:
1391 return "STR_SUSPEND_CFM";
1392 case BTA_AV_STR_RECONFIG_CFM_EVT:
1393 return "STR_RECONFIG_CFM";
1394 case BTA_AV_AVRC_TIMER_EVT:
1395 return "AVRC_TIMER";
1396 case BTA_AV_AVDT_CONNECT_EVT:
1397 return "AVDT_CONNECT";
1398 case BTA_AV_AVDT_DISCONNECT_EVT:
1399 return "AVDT_DISCONNECT";
1400 case BTA_AV_ROLE_CHANGE_EVT:
1401 return "ROLE_CHANGE";
1402 case BTA_AV_AVDT_DELAY_RPT_EVT:
1403 return "AVDT_DELAY_RPT";
1404 case BTA_AV_ACP_CONNECT_EVT:
1405 return "ACP_CONNECT";
1406 case BTA_AV_API_OFFLOAD_START_EVT:
1407 return "OFFLOAD_START";
1408 case BTA_AV_API_OFFLOAD_START_RSP_EVT:
1409 return "OFFLOAD_START_RSP";
1410
1411 case BTA_AV_API_ENABLE_EVT:
1412 return "API_ENABLE";
1413 case BTA_AV_API_REGISTER_EVT:
1414 return "API_REG";
1415 case BTA_AV_API_DEREGISTER_EVT:
1416 return "API_DEREG";
1417 case BTA_AV_API_DISCONNECT_EVT:
1418 return "API_DISCNT";
1419 case BTA_AV_CI_SRC_DATA_READY_EVT:
1420 return "CI_DATA_READY";
1421 case BTA_AV_SIG_CHG_EVT:
1422 return "SIG_CHG";
1423 case BTA_AV_SIGNALLING_TIMER_EVT:
1424 return "SIGNALLING_TIMER";
1425 case BTA_AV_SDP_AVRC_DISC_EVT:
1426 return "SDP_AVRC_DISC";
1427 case BTA_AV_AVRC_CLOSE_EVT:
1428 return "AVRC_CLOSE";
1429 case BTA_AV_AVRC_BROWSE_OPEN_EVT:
1430 return "AVRC_BROWSE_OPEN";
1431 case BTA_AV_AVRC_BROWSE_CLOSE_EVT:
1432 return "AVRC_BROWSE_CLOSE";
1433 case BTA_AV_CONN_CHG_EVT:
1434 return "CONN_CHG";
1435 case BTA_AV_DEREG_COMP_EVT:
1436 return "DEREG_COMP";
1437 case BTA_AV_AVDT_RPT_CONN_EVT:
1438 return "RPT_CONN";
1439 case BTA_AV_API_START_EVT:
1440 return "API_START";
1441 case BTA_AV_API_STOP_EVT:
1442 return "API_STOP";
1443 default:
1444 return "unknown";
1445 }
1446 }
1447
bta_debug_av_dump(int fd)1448 void bta_debug_av_dump(int fd) {
1449 if (appl_trace_level < BT_TRACE_LEVEL_DEBUG) return;
1450
1451 dprintf(fd, "\nBTA AV State:\n");
1452 dprintf(fd, " State Machine State: %s\n", bta_av_st_code(bta_av_cb.state));
1453 dprintf(fd, " Link signalling timer: %s\n",
1454 alarm_is_scheduled(bta_av_cb.link_signalling_timer)
1455 ? "Scheduled"
1456 : "Not scheduled");
1457 dprintf(fd, " Accept signalling timer: %s\n",
1458 alarm_is_scheduled(bta_av_cb.accept_signalling_timer)
1459 ? "Scheduled"
1460 : "Not scheduled");
1461 dprintf(fd, " SDP A2DP source handle: %d\n", bta_av_cb.sdp_a2dp_handle);
1462 dprintf(fd, " SDP A2DP sink handle: %d\n", bta_av_cb.sdp_a2dp_snk_handle);
1463 dprintf(fd, " Features: 0x%x\n", bta_av_cb.features);
1464 dprintf(fd, " Security mask: 0x%x\n", bta_av_cb.sec_mask);
1465 dprintf(fd, " SDP handle: %d\n", bta_av_cb.handle);
1466 dprintf(fd, " Disabling: %s\n", bta_av_cb.disabling ? "true" : "false");
1467 dprintf(fd, " SCO occupied: %s\n",
1468 bta_av_cb.sco_occupied ? "true" : "false");
1469 dprintf(fd, " Connected audio channels: %d\n", bta_av_cb.audio_open_cnt);
1470 dprintf(fd, " Connected audio channels mask: 0x%x\n", bta_av_cb.conn_audio);
1471 dprintf(fd, " Streaming audio channels mask: 0x%x\n",
1472 bta_av_cb.audio_streams);
1473 dprintf(fd, " Registered audio channels mask: 0x%x\n", bta_av_cb.reg_audio);
1474 dprintf(fd, " Connected LCBs mask: 0x%x\n", bta_av_cb.conn_lcb);
1475
1476 for (size_t i = 0; i < sizeof(bta_av_cb.lcb) / sizeof(bta_av_cb.lcb[0]);
1477 i++) {
1478 const tBTA_AV_LCB& lcb = bta_av_cb.lcb[i];
1479 if (lcb.addr.IsEmpty()) {
1480 continue;
1481 }
1482 dprintf(fd, "\n Link control block: %zu peer: %s\n", i,
1483 lcb.addr.ToString().c_str());
1484 dprintf(fd, " Connected stream handle mask: 0x%x\n", lcb.conn_msk);
1485 dprintf(fd, " Index(+1) to LCB: %d\n", lcb.lidx);
1486 }
1487 for (size_t i = 0; i < BTA_AV_NUM_STRS; i++) {
1488 const tBTA_AV_SCB* p_scb = bta_av_cb.p_scb[i];
1489 if (p_scb == nullptr) {
1490 continue;
1491 }
1492 if (p_scb->PeerAddress().IsEmpty()) {
1493 continue;
1494 }
1495 dprintf(fd, "\n BTA ID: %zu peer: %s\n", i,
1496 p_scb->PeerAddress().ToString().c_str());
1497 dprintf(fd, " SDP discovery started: %s\n",
1498 p_scb->sdp_discovery_started ? "true" : "false");
1499 for (size_t j = 0; j < BTAV_A2DP_CODEC_INDEX_MAX; j++) {
1500 const tBTA_AV_SEP& sep = p_scb->seps[j];
1501 if (sep.av_handle == 0) {
1502 continue;
1503 }
1504 dprintf(fd, " SEP ID: %zu\n", j);
1505 dprintf(fd, " SEP AVDTP handle: %d\n", sep.av_handle);
1506 dprintf(fd, " Local SEP type: %d\n", sep.tsep);
1507 dprintf(fd, " Codec: %s\n", A2DP_CodecName(sep.codec_info));
1508 }
1509 dprintf(fd, " BTA info tag: %d\n", p_scb->q_tag);
1510 dprintf(fd, " API Open peer: %s\n",
1511 p_scb->q_info.open.bd_addr.ToString().c_str());
1512 dprintf(fd, " Use AVRCP: %s\n",
1513 p_scb->q_info.open.use_rc ? "true" : "false");
1514 dprintf(fd, " Security mask: 0x%x\n", p_scb->q_info.open.sec_mask);
1515 dprintf(fd, " Switch result: %d\n", p_scb->q_info.open.switch_res);
1516 dprintf(fd, " Initiator UUID: 0x%x\n", p_scb->q_info.open.uuid);
1517 dprintf(fd, " Saved API Open peer: %s\n",
1518 p_scb->open_api.bd_addr.ToString().c_str());
1519 dprintf(fd, " Use AVRCP: %s\n",
1520 p_scb->open_api.use_rc ? "true" : "false");
1521 dprintf(fd, " Security mask: 0x%x\n", p_scb->open_api.sec_mask);
1522 dprintf(fd, " Switch result: %d\n", p_scb->open_api.switch_res);
1523 dprintf(fd, " Initiator UUID: 0x%x\n", p_scb->open_api.uuid);
1524 // TODO: Print p_scb->sep_info[], cfg, avrc_ct_timer, current_codec ?
1525 dprintf(fd, " L2CAP Channel ID: %d\n", p_scb->l2c_cid);
1526 dprintf(fd, " Stream MTU: %d\n", p_scb->stream_mtu);
1527 dprintf(fd, " AVDTP version: 0x%x\n", p_scb->AvdtpVersion());
1528 dprintf(fd, " Security mask: 0x%x\n", p_scb->sec_mask);
1529 dprintf(fd, " Media type: %d\n", p_scb->media_type);
1530 dprintf(fd, " Congested: %s\n", p_scb->cong ? "true" : "false");
1531 dprintf(fd, " Open status: %d\n", p_scb->open_status);
1532 dprintf(fd, " Channel: %d\n", p_scb->chnl);
1533 dprintf(fd, " BTA handle: 0x%x\n", p_scb->hndl);
1534 dprintf(fd, " Protocol service capabilities mask: 0x%x\n",
1535 p_scb->cur_psc_mask);
1536 dprintf(fd, " AVDTP handle: %d\n", p_scb->avdt_handle);
1537 dprintf(fd, " Stream control block index: %d\n", p_scb->hdi);
1538 dprintf(fd, " State machine state: %s(%d)\n",
1539 bta_av_sst_code(p_scb->state), p_scb->state);
1540 dprintf(fd, " AVDTP label: 0x%x\n", p_scb->avdt_label);
1541 dprintf(fd, " Application ID: %d\n", p_scb->app_id);
1542 dprintf(fd, " Role: 0x%x\n", p_scb->role);
1543 dprintf(fd, " Queued L2CAP buffers: %d\n", p_scb->l2c_bufs);
1544 dprintf(fd, " AVRCP allowed: %s\n", p_scb->use_rc ? "true" : "false");
1545 dprintf(fd, " Stream started: %s\n", p_scb->started ? "true" : "false");
1546 dprintf(fd, " Stream call-out started: %d\n", p_scb->co_started);
1547 dprintf(fd, " AVDTP Reconfig supported: %s\n",
1548 p_scb->recfg_sup ? "true" : "false");
1549 dprintf(fd, " AVDTP Suspend supported: %s\n",
1550 p_scb->suspend_sup ? "true" : "false");
1551 dprintf(fd, " Deregistering: %s\n",
1552 p_scb->deregistering ? "true" : "false");
1553 dprintf(fd, " SCO automatic Suspend: %s\n",
1554 p_scb->sco_suspend ? "true" : "false");
1555 dprintf(fd, " Incoming/outgoing connection collusion mask: 0x%x\n",
1556 p_scb->coll_mask);
1557 dprintf(fd, " Wait mask: 0x%x\n", p_scb->wait);
1558 dprintf(fd, " Don't use RTP header: %s\n",
1559 p_scb->no_rtp_header ? "true" : "false");
1560 dprintf(fd, " Intended UUID of Initiator to connect to: 0x%x\n",
1561 p_scb->uuid_int);
1562 }
1563 }
1564