1 /******************************************************************************
2 *
3 * Copyright (C) 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 file contains action functions for advanced audio/video stream
22 * state machine. these functions are shared by both audio and video
23 * streams.
24 *
25 ******************************************************************************/
26
27 #include "bt_target.h"
28 #if defined(BTA_AV_INCLUDED) && (BTA_AV_INCLUDED == TRUE)
29
30 #include <string.h>
31 #include "bta_av_int.h"
32 #include "avdt_api.h"
33 #include "bd.h"
34 #include "utl.h"
35 #include "l2c_api.h"
36 #include "l2cdefs.h"
37 #if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE)
38 #include "bta_ar_api.h"
39 #endif
40
41 /*****************************************************************************
42 ** Constants
43 *****************************************************************************/
44
45 /* the delay time in milliseconds to start service discovery on AVRCP */
46 #ifndef BTA_AV_RC_DISC_TIME_VAL
47 #define BTA_AV_RC_DISC_TIME_VAL 3500
48 #endif
49
50 /* the timer in milliseconds to guard against link busy and AVDT_CloseReq failed to be sent */
51 #ifndef BTA_AV_CLOSE_REQ_TIME_VAL
52 #define BTA_AV_CLOSE_REQ_TIME_VAL 4000
53 #endif
54
55 /* number to retry on reconfigure failure - some headsets requirs this number to be more than 1 */
56 #ifndef BTA_AV_RECONFIG_RETRY
57 #define BTA_AV_RECONFIG_RETRY 6
58 #endif
59
60 /* state machine states */
61 enum
62 {
63 BTA_AV_INIT_SST,
64 BTA_AV_INCOMING_SST,
65 BTA_AV_OPENING_SST,
66 BTA_AV_OPEN_SST,
67 BTA_AV_RCFG_SST,
68 BTA_AV_CLOSING_SST
69 };
70
71
72 /* the call out functions for audio stream */
73 const tBTA_AV_CO_FUNCTS bta_av_a2d_cos =
74 {
75 bta_av_co_audio_init,
76 bta_av_co_audio_disc_res,
77 bta_av_co_audio_getconfig,
78 bta_av_co_audio_setconfig,
79 bta_av_co_audio_open,
80 bta_av_co_audio_close,
81 bta_av_co_audio_start,
82 bta_av_co_audio_stop,
83 bta_av_co_audio_src_data_path,
84 bta_av_co_audio_delay
85 };
86
87 /* ssm action functions for audio stream */
88 const tBTA_AV_SACT bta_av_a2d_action[] =
89 {
90 bta_av_do_disc_a2d, /* BTA_AV_DO_DISC */
91 bta_av_cleanup, /* BTA_AV_CLEANUP */
92 bta_av_free_sdb, /* BTA_AV_FREE_SDB */
93 bta_av_config_ind, /* BTA_AV_CONFIG_IND */
94 bta_av_disconnect_req, /* BTA_AV_DISCONNECT_REQ */
95 bta_av_security_req, /* BTA_AV_SECURITY_REQ */
96 bta_av_security_rsp, /* BTA_AV_SECURITY_RSP */
97 bta_av_setconfig_rsp, /* BTA_AV_SETCONFIG_RSP */
98 bta_av_st_rc_timer, /* BTA_AV_ST_RC_TIMER */
99 bta_av_str_opened, /* BTA_AV_STR_OPENED */
100 bta_av_security_ind, /* BTA_AV_SECURITY_IND */
101 bta_av_security_cfm, /* BTA_AV_SECURITY_CFM */
102 bta_av_do_close, /* BTA_AV_DO_CLOSE */
103 bta_av_connect_req, /* BTA_AV_CONNECT_REQ */
104 bta_av_sdp_failed, /* BTA_AV_SDP_FAILED */
105 bta_av_disc_results, /* BTA_AV_DISC_RESULTS */
106 bta_av_disc_res_as_acp, /* BTA_AV_DISC_RES_AS_ACP */
107 bta_av_open_failed, /* BTA_AV_OPEN_FAILED */
108 bta_av_getcap_results, /* BTA_AV_GETCAP_RESULTS */
109 bta_av_setconfig_rej, /* BTA_AV_SETCONFIG_REJ */
110 bta_av_discover_req, /* BTA_AV_DISCOVER_REQ */
111 bta_av_conn_failed, /* BTA_AV_CONN_FAILED */
112 bta_av_do_start, /* BTA_AV_DO_START */
113 bta_av_str_stopped, /* BTA_AV_STR_STOPPED */
114 bta_av_reconfig, /* BTA_AV_RECONFIG */
115 bta_av_data_path, /* BTA_AV_DATA_PATH */
116 bta_av_start_ok, /* BTA_AV_START_OK */
117 bta_av_start_failed, /* BTA_AV_START_FAILED */
118 bta_av_str_closed, /* BTA_AV_STR_CLOSED */
119 bta_av_clr_cong, /* BTA_AV_CLR_CONG */
120 bta_av_suspend_cfm, /* BTA_AV_SUSPEND_CFM */
121 bta_av_rcfg_str_ok, /* BTA_AV_RCFG_STR_OK */
122 bta_av_rcfg_failed, /* BTA_AV_RCFG_FAILED */
123 bta_av_rcfg_connect, /* BTA_AV_RCFG_CONNECT */
124 bta_av_rcfg_discntd, /* BTA_AV_RCFG_DISCNTD */
125 bta_av_suspend_cont, /* BTA_AV_SUSPEND_CONT */
126 bta_av_rcfg_cfm, /* BTA_AV_RCFG_CFM */
127 bta_av_rcfg_open, /* BTA_AV_RCFG_OPEN */
128 bta_av_security_rej, /* BTA_AV_SECURITY_REJ */
129 bta_av_open_rc, /* BTA_AV_OPEN_RC */
130 bta_av_chk_2nd_start, /* BTA_AV_CHK_2ND_START */
131 bta_av_save_caps, /* BTA_AV_SAVE_CAPS */
132 bta_av_set_use_rc, /* BTA_AV_SET_USE_RC */
133 bta_av_cco_close, /* BTA_AV_CCO_CLOSE */
134 bta_av_switch_role, /* BTA_AV_SWITCH_ROLE */
135 bta_av_role_res, /* BTA_AV_ROLE_RES */
136 bta_av_delay_co, /* BTA_AV_DELAY_CO */
137 bta_av_open_at_inc, /* BTA_AV_OPEN_AT_INC */
138 NULL
139 };
140
141 /* these tables translate AVDT events to SSM events */
142 static const UINT16 bta_av_stream_evt_ok[] = {
143 BTA_AV_STR_DISC_OK_EVT, /* AVDT_DISCOVER_CFM_EVT */
144 BTA_AV_STR_GETCAP_OK_EVT, /* AVDT_GETCAP_CFM_EVT */
145 BTA_AV_STR_OPEN_OK_EVT, /* AVDT_OPEN_CFM_EVT */
146 BTA_AV_STR_OPEN_OK_EVT, /* AVDT_OPEN_IND_EVT */
147 BTA_AV_STR_CONFIG_IND_EVT, /* AVDT_CONFIG_IND_EVT */
148 BTA_AV_STR_START_OK_EVT, /* AVDT_START_CFM_EVT */
149 BTA_AV_STR_START_OK_EVT, /* AVDT_START_IND_EVT */
150 BTA_AV_STR_SUSPEND_CFM_EVT, /* AVDT_SUSPEND_CFM_EVT */
151 BTA_AV_STR_SUSPEND_CFM_EVT, /* AVDT_SUSPEND_IND_EVT */
152 BTA_AV_STR_CLOSE_EVT, /* AVDT_CLOSE_CFM_EVT */
153 BTA_AV_STR_CLOSE_EVT, /* AVDT_CLOSE_IND_EVT */
154 BTA_AV_STR_RECONFIG_CFM_EVT, /* AVDT_RECONFIG_CFM_EVT */
155 0, /* AVDT_RECONFIG_IND_EVT */
156 BTA_AV_STR_SECURITY_CFM_EVT, /* AVDT_SECURITY_CFM_EVT */
157 BTA_AV_STR_SECURITY_IND_EVT, /* AVDT_SECURITY_IND_EVT */
158 BTA_AV_STR_WRITE_CFM_EVT, /* AVDT_WRITE_CFM_EVT */
159 BTA_AV_AVDT_CONNECT_EVT, /* AVDT_CONNECT_IND_EVT */
160 BTA_AV_AVDT_DISCONNECT_EVT, /* AVDT_DISCONNECT_IND_EVT */
161 #if (AVDT_REPORTING == TRUE)
162 BTA_AV_AVDT_RPT_CONN_EVT, /* AVDT_REPORT_CONN_EVT */
163 BTA_AV_AVDT_RPT_CONN_EVT, /* AVDT_REPORT_DISCONN_EVT */
164 #endif
165 BTA_AV_AVDT_DELAY_RPT_EVT, /* AVDT_DELAY_REPORT_EVT */
166 0 /* AVDT_DELAY_REPORT_CFM_EVT */
167 };
168
169 static const UINT16 bta_av_stream_evt_fail[] = {
170 BTA_AV_STR_DISC_FAIL_EVT, /* AVDT_DISCOVER_CFM_EVT */
171 BTA_AV_STR_GETCAP_FAIL_EVT, /* AVDT_GETCAP_CFM_EVT */
172 BTA_AV_STR_OPEN_FAIL_EVT, /* AVDT_OPEN_CFM_EVT */
173 BTA_AV_STR_OPEN_OK_EVT, /* AVDT_OPEN_IND_EVT */
174 BTA_AV_STR_CONFIG_IND_EVT, /* AVDT_CONFIG_IND_EVT */
175 BTA_AV_STR_START_FAIL_EVT, /* AVDT_START_CFM_EVT */
176 BTA_AV_STR_START_OK_EVT, /* AVDT_START_IND_EVT */
177 BTA_AV_STR_SUSPEND_CFM_EVT, /* AVDT_SUSPEND_CFM_EVT */
178 BTA_AV_STR_SUSPEND_CFM_EVT, /* AVDT_SUSPEND_IND_EVT */
179 BTA_AV_STR_CLOSE_EVT, /* AVDT_CLOSE_CFM_EVT */
180 BTA_AV_STR_CLOSE_EVT, /* AVDT_CLOSE_IND_EVT */
181 BTA_AV_STR_RECONFIG_CFM_EVT, /* AVDT_RECONFIG_CFM_EVT */
182 0, /* AVDT_RECONFIG_IND_EVT */
183 BTA_AV_STR_SECURITY_CFM_EVT, /* AVDT_SECURITY_CFM_EVT */
184 BTA_AV_STR_SECURITY_IND_EVT, /* AVDT_SECURITY_IND_EVT */
185 BTA_AV_STR_WRITE_CFM_EVT, /* AVDT_WRITE_CFM_EVT */
186 BTA_AV_AVDT_CONNECT_EVT, /* AVDT_CONNECT_IND_EVT */
187 BTA_AV_AVDT_DISCONNECT_EVT, /* AVDT_DISCONNECT_IND_EVT */
188 #if (AVDT_REPORTING == TRUE)
189 BTA_AV_AVDT_RPT_CONN_EVT, /* AVDT_REPORT_CONN_EVT */
190 BTA_AV_AVDT_RPT_CONN_EVT, /* AVDT_REPORT_DISCONN_EVT */
191 #endif
192 BTA_AV_AVDT_DELAY_RPT_EVT, /* AVDT_DELAY_REPORT_EVT */
193 0 /* AVDT_DELAY_REPORT_CFM_EVT */
194 };
195
196 void bta_av_stream_data_cback(UINT8 handle, BT_HDR *p_pkt, UINT32 time_stamp, UINT8 m_pt);
197 static void bta_av_stream0_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data);
198 static void bta_av_stream1_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data);
199 #if BTA_AV_NUM_STRS > 2
200 static void bta_av_stream2_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data);
201 #endif
202 #if BTA_AV_NUM_STRS > 3
203 static void bta_av_stream3_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data);
204 #endif
205 #if BTA_AV_NUM_STRS > 4
206 static void bta_av_stream4_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data);
207 #endif
208 #if BTA_AV_NUM_STRS > 5
209 static void bta_av_stream5_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data);
210 #endif
211 /* the array of callback functions to receive events from AVDT control channel */
212 tAVDT_CTRL_CBACK * const bta_av_dt_cback[] =
213 {
214 bta_av_stream0_cback
215 ,bta_av_stream1_cback
216 #if BTA_AV_NUM_STRS > 2
217 ,bta_av_stream2_cback
218 #endif
219 #if BTA_AV_NUM_STRS > 3
220 ,bta_av_stream3_cback
221 #endif
222 #if BTA_AV_NUM_STRS > 4
223 ,bta_av_stream4_cback
224 #endif
225 #if BTA_AV_NUM_STRS > 5
226 ,bta_av_stream5_cback
227 #endif
228 };
229 /***********************************************
230 **
231 ** Function bta_get_scb_handle
232 **
233 ** Description gives the registered AVDT handle.by checking with sep_type.
234 **
235 **
236 ** Returns void
237 ***********************************************/
bta_av_get_scb_handle(tBTA_AV_SCB * p_scb,UINT8 local_sep)238 UINT8 bta_av_get_scb_handle ( tBTA_AV_SCB *p_scb, UINT8 local_sep )
239 {
240 UINT8 xx =0;
241 for (xx = 0; xx<BTA_AV_MAX_SEPS; xx++)
242 {
243 if ((p_scb->seps[xx].tsep == local_sep) &&
244 (p_scb->seps[xx].codec_type == p_scb->codec_type))
245 return (p_scb->seps[xx].av_handle);
246 }
247 APPL_TRACE_DEBUG(" bta_av_get_scb_handle appropiate sep_type not found")
248 return 0; /* return invalid handle */
249 }
250
251 /***********************************************
252 **
253 ** Function bta_av_get_scb_sep_type
254 **
255 ** Description gives the sep type by cross-checking with AVDT handle
256 **
257 **
258 ** Returns void
259 ***********************************************/
bta_av_get_scb_sep_type(tBTA_AV_SCB * p_scb,UINT8 tavdt_handle)260 UINT8 bta_av_get_scb_sep_type ( tBTA_AV_SCB *p_scb, UINT8 tavdt_handle)
261 {
262 UINT8 xx =0;
263 for (xx = 0; xx<BTA_AV_MAX_SEPS; xx++)
264 {
265 if (p_scb->seps[xx].av_handle == tavdt_handle)
266 return (p_scb->seps[xx].tsep);
267 }
268 APPL_TRACE_DEBUG(" bta_av_get_scb_sep_type appropiate handle not found")
269 return 3; /* return invalid sep type */
270 }
271
272 /*******************************************************************************
273 **
274 ** Function bta_av_save_addr
275 **
276 ** Description copy the bd_addr and maybe reset the supported flags
277 **
278 **
279 ** Returns void
280 **
281 *******************************************************************************/
bta_av_save_addr(tBTA_AV_SCB * p_scb,const BD_ADDR b)282 static void bta_av_save_addr(tBTA_AV_SCB *p_scb, const BD_ADDR b)
283 {
284 APPL_TRACE_DEBUG("bta_av_save_addr r:%d, s:%d",
285 p_scb->recfg_sup, p_scb->suspend_sup);
286 if(bdcmp(p_scb->peer_addr, b) != 0)
287 {
288 APPL_TRACE_ERROR("reset flags");
289 /* a new addr, reset the supported flags */
290 p_scb->recfg_sup = TRUE;
291 p_scb->suspend_sup = TRUE;
292 }
293
294 /* do this copy anyway, just in case the first addr matches
295 * the control block one by accident */
296 bdcpy(p_scb->peer_addr, b);
297 }
298
299 /*******************************************************************************
300 **
301 ** Function notify_start_failed
302 **
303 ** Description notify up-layer AV start failed
304 **
305 **
306 ** Returns void
307 **
308 *******************************************************************************/
notify_start_failed(tBTA_AV_SCB * p_scb)309 static void notify_start_failed(tBTA_AV_SCB *p_scb)
310 {
311 tBTA_AV_START start;
312 /* if start failed, clear role */
313 p_scb->role &= ~BTA_AV_ROLE_START_INT;
314 start.chnl = p_scb->chnl;
315 start.status = BTA_AV_FAIL;
316 start.initiator = TRUE;
317 start.hndl = p_scb->hndl;
318 (*bta_av_cb.p_cback)(BTA_AV_START_EVT, (tBTA_AV *) &start);
319 }
320
321 /*******************************************************************************
322 **
323 ** Function bta_av_st_rc_timer
324 **
325 ** Description start the AVRC timer if no RC connection & CT is supported &
326 ** RC is used or
327 ** as ACP (we do not really know if we want AVRC)
328 **
329 ** Returns void
330 **
331 *******************************************************************************/
bta_av_st_rc_timer(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)332 void bta_av_st_rc_timer(tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
333 {
334 UNUSED(p_data);
335
336 APPL_TRACE_DEBUG("bta_av_st_rc_timer rc_handle:%d, use_rc: %d",
337 p_scb->rc_handle, p_scb->use_rc);
338 /* for outgoing RC connection as INT/CT */
339 if( (p_scb->rc_handle == BTA_AV_RC_HANDLE_NONE) &&
340 /*(bta_av_cb.features & BTA_AV_FEAT_RCCT) &&*/
341 (p_scb->use_rc == TRUE || (p_scb->role & BTA_AV_ROLE_AD_ACP)) )
342 {
343 if ((p_scb->wait & BTA_AV_WAIT_ROLE_SW_BITS) == 0)
344 bta_sys_start_timer(&p_scb->timer, BTA_AV_AVRC_TIMER_EVT, BTA_AV_RC_DISC_TIME_VAL);
345 else
346 p_scb->wait |= BTA_AV_WAIT_CHECK_RC;
347 }
348
349 }
350
351 /*******************************************************************************
352 **
353 ** Function bta_av_next_getcap
354 **
355 ** Description The function gets the capabilities of the next available
356 ** stream found in the discovery results.
357 **
358 ** Returns TRUE if we sent request to AVDT, FALSE otherwise.
359 **
360 *******************************************************************************/
bta_av_next_getcap(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)361 static BOOLEAN bta_av_next_getcap(tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
362 {
363 int i;
364 tAVDT_GETCAP_REQ *p_req;
365 BOOLEAN sent_cmd = FALSE;
366 UINT16 uuid_int = p_scb->uuid_int;
367 UINT8 sep_requested = 0;
368
369 if(uuid_int == UUID_SERVCLASS_AUDIO_SOURCE)
370 sep_requested = AVDT_TSEP_SNK;
371 else if(uuid_int == UUID_SERVCLASS_AUDIO_SINK)
372 sep_requested = AVDT_TSEP_SRC;
373
374 for (i = p_scb->sep_info_idx; i < p_scb->num_seps; i++)
375 {
376 /* steam not in use, is a sink, and is the right media type (audio/video) */
377 if ((p_scb->sep_info[i].in_use == FALSE) &&
378 (p_scb->sep_info[i].tsep == sep_requested) &&
379 (p_scb->sep_info[i].media_type == p_scb->media_type))
380 {
381 p_scb->sep_info_idx = i;
382
383 /* we got a stream; get its capabilities */
384 if (p_scb->p_cap == NULL)
385 {
386 p_scb->p_cap = (tAVDT_CFG *) GKI_getbuf(sizeof(tAVDT_CFG));
387 }
388 if (p_scb->p_cap == NULL)
389 {
390 i = p_scb->num_seps;
391 break;
392 }
393 if (p_scb->avdt_version >= AVDT_VERSION_SYNC)
394 {
395 p_req = AVDT_GetAllCapReq;
396 }
397 else
398 {
399 p_req = AVDT_GetCapReq;
400 }
401 (*p_req)(p_scb->peer_addr,
402 p_scb->sep_info[i].seid,
403 p_scb->p_cap, bta_av_dt_cback[p_scb->hdi]);
404 sent_cmd = TRUE;
405 break;
406 }
407 }
408
409 /* if no streams available then stream open fails */
410 if (!sent_cmd)
411 {
412 bta_av_ssm_execute(p_scb, BTA_AV_STR_GETCAP_FAIL_EVT, p_data);
413 }
414
415 return sent_cmd;
416
417 }
418
419 /*******************************************************************************
420 **
421 ** Function bta_av_proc_stream_evt
422 **
423 ** Description Utility function to compose stream events.
424 **
425 ** Returns void
426 **
427 *******************************************************************************/
bta_av_proc_stream_evt(UINT8 handle,BD_ADDR bd_addr,UINT8 event,tAVDT_CTRL * p_data,int index)428 void bta_av_proc_stream_evt(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data, int index)
429 {
430 tBTA_AV_STR_MSG *p_msg;
431 UINT16 sec_len = 0;
432 tBTA_AV_SCB *p_scb = bta_av_cb.p_scb[index];
433 int xx;
434
435 if (p_data)
436 {
437 if (event == AVDT_SECURITY_IND_EVT)
438 {
439 sec_len = (p_data->security_ind.len < BTA_AV_SECURITY_MAX_LEN) ?
440 p_data->security_ind.len : BTA_AV_SECURITY_MAX_LEN;
441 }
442 else if (event == AVDT_SECURITY_CFM_EVT && p_data->hdr.err_code == 0)
443 {
444 sec_len = (p_data->security_cfm.len < BTA_AV_SECURITY_MAX_LEN) ?
445 p_data->security_cfm.len : BTA_AV_SECURITY_MAX_LEN;
446 }
447 }
448
449 if (p_scb && (p_msg = (tBTA_AV_STR_MSG *) GKI_getbuf((UINT16) (sizeof(tBTA_AV_STR_MSG) + sec_len))) != NULL)
450 {
451
452 /* copy event data, bd addr, and handle to event message buffer */
453 p_msg->hdr.offset = 0;
454
455 if (bd_addr != NULL)
456 {
457 bdcpy(p_msg->bd_addr, bd_addr);
458 APPL_TRACE_DEBUG(" bd_addr:%02x-%02x-%02x-%02x-%02x-%02x",
459 bd_addr[0], bd_addr[1],
460 bd_addr[2], bd_addr[3],
461 bd_addr[4], bd_addr[5]);
462 }
463
464 if (p_data != NULL)
465 {
466 memcpy(&p_msg->msg, p_data, sizeof (tAVDT_CTRL));
467 /* copy config params to event message buffer */
468 switch (event)
469 {
470 case AVDT_RECONFIG_CFM_EVT:
471 APPL_TRACE_DEBUG("reconfig cfm event codec info = 0x%06x-%06x-%06x-%02x",
472 (p_msg->msg.reconfig_cfm.p_cfg->codec_info[0]<<16)+(p_msg->msg.reconfig_cfm.p_cfg->codec_info[1]<<8)+p_msg->msg.reconfig_cfm.p_cfg->codec_info[2],
473 (p_msg->msg.reconfig_cfm.p_cfg->codec_info[3]<<16)+(p_msg->msg.reconfig_cfm.p_cfg->codec_info[4]<<8)+p_msg->msg.reconfig_cfm.p_cfg->codec_info[5],
474 (p_msg->msg.reconfig_cfm.p_cfg->codec_info[6]<<16)+(p_msg->msg.reconfig_cfm.p_cfg->codec_info[7]<<8)+p_msg->msg.reconfig_cfm.p_cfg->codec_info[8],
475 p_msg->msg.reconfig_cfm.p_cfg->codec_info[9]);
476 break;
477
478
479
480 case AVDT_CONFIG_IND_EVT:
481 /* We might have 2 SEP signallings(A2DP + VDP) with one peer device on one L2CAP.
482 * If we already have a signalling connection with the bd_addr and the streaming
483 * SST is at INIT state, change it to INCOMING state to handle the signalling
484 * from the 2nd SEP. */
485 if ((bta_av_find_lcb(bd_addr, BTA_AV_LCB_FIND) != NULL) && (bta_av_is_scb_init(p_scb)))
486 {
487 bta_av_set_scb_sst_incoming (p_scb);
488
489 /* When ACP_CONNECT_EVT was received, we put first available scb to incoming state.
490 * Later when we receive AVDT_CONFIG_IND_EVT, we use a new p_scb and set its state to
491 * incoming which we do it above.
492 * We also have to set the old p_scb state to init to be used later */
493 for (xx = 0; xx < BTA_AV_NUM_STRS; xx++)
494 {
495 if ((bta_av_cb.p_scb[xx]) && (xx != index))
496 {
497 if (bta_av_cb.p_scb[xx]->state == BTA_AV_INCOMING_SST)
498 {
499 bta_av_cb.p_scb[xx]->state = BTA_AV_INIT_SST;
500 bta_av_cb.p_scb[xx]->coll_mask = 0;
501 break;
502 }
503 }
504 }
505 }
506
507 memcpy(&p_msg->cfg, p_data->config_ind.p_cfg, sizeof(tAVDT_CFG));
508 break;
509
510 case AVDT_SECURITY_IND_EVT:
511 p_msg->msg.security_ind.p_data = (UINT8 *) (p_msg + 1);
512 memcpy(p_msg->msg.security_ind.p_data, p_data->security_ind.p_data, sec_len);
513 break;
514
515 case AVDT_SECURITY_CFM_EVT:
516 p_msg->msg.security_cfm.p_data = (UINT8 *) (p_msg + 1);
517 if (p_data->hdr.err_code == 0)
518 {
519 memcpy(p_msg->msg.security_cfm.p_data, p_data->security_cfm.p_data, sec_len);
520 }
521 break;
522 case AVDT_SUSPEND_IND_EVT:
523 p_msg->msg.hdr.err_code = 0;
524 break;
525
526 default:
527 break;
528 }
529 }
530 else
531 p_msg->msg.hdr.err_code = 0;
532
533 /* look up application event */
534 if ((p_data == NULL) || (p_data->hdr.err_code == 0))
535 {
536 p_msg->hdr.event = bta_av_stream_evt_ok[event];
537 }
538 else
539 {
540 p_msg->hdr.event = bta_av_stream_evt_fail[event];
541 }
542
543 p_msg->initiator = FALSE;
544 if (event == AVDT_SUSPEND_CFM_EVT)
545 p_msg->initiator = TRUE;
546
547 APPL_TRACE_VERBOSE("hndl:x%x", p_scb->hndl);
548 p_msg->hdr.layer_specific = p_scb->hndl;
549 p_msg->handle = handle;
550 p_msg->avdt_event = event;
551 bta_sys_sendmsg(p_msg);
552 }
553
554 /* coverity[var_deref_model] */
555 /* false-positive: bta_av_conn_cback only processes AVDT_CONNECT_IND_EVT and AVDT_DISCONNECT_IND_EVT event
556 * these 2 events always have associated p_data */
557 bta_av_conn_cback(handle, bd_addr, event, p_data);
558 }
559
560 /*******************************************************************************
561 **
562 ** Function bta_av_stream_data_cback
563 **
564 ** Description This is the AVDTP callback function for stream events.
565 **
566 ** Returns void
567 **
568 *******************************************************************************/
bta_av_stream_data_cback(UINT8 handle,BT_HDR * p_pkt,UINT32 time_stamp,UINT8 m_pt)569 void bta_av_stream_data_cback(UINT8 handle, BT_HDR *p_pkt, UINT32 time_stamp, UINT8 m_pt)
570 {
571 int index = 0;
572 tBTA_AV_SCB *p_scb ;
573 APPL_TRACE_DEBUG("bta_av_stream_data_cback avdt_handle: %d pkt_len=0x%x ofst = 0x%x", handle,p_pkt->len,p_pkt->offset);
574 APPL_TRACE_DEBUG(" Number of frames 0x%x",*((UINT8*)(p_pkt + 1) + p_pkt->offset));
575 APPL_TRACE_DEBUG("Sequence Number 0x%x",p_pkt->layer_specific);
576 /* Get SCB and correct sep type*/
577 for(index = 0; index < BTA_AV_NUM_STRS;index ++ )
578 {
579 p_scb = bta_av_cb.p_scb[index];
580 if((p_scb->avdt_handle == handle)&&(p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SNK))
581 break;
582 }
583 if(index == BTA_AV_NUM_STRS) /* cannot find correct handler */
584 {
585 GKI_freebuf(p_pkt);
586 return;
587 }
588 p_pkt->event = BTA_AV_MEDIA_DATA_EVT;
589 p_scb->seps[p_scb->sep_idx].p_app_data_cback(BTA_AV_MEDIA_DATA_EVT, (tBTA_AV_MEDIA*)p_pkt);
590 GKI_freebuf(p_pkt); /* a copy of packet had been delivered, we free this buffer */
591 }
592
593 /*******************************************************************************
594 **
595 ** Function bta_av_stream0_cback
596 **
597 ** Description This is the AVDTP callback function for stream events.
598 **
599 ** Returns void
600 **
601 *******************************************************************************/
bta_av_stream0_cback(UINT8 handle,BD_ADDR bd_addr,UINT8 event,tAVDT_CTRL * p_data)602 static void bta_av_stream0_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data)
603 {
604 APPL_TRACE_VERBOSE("bta_av_stream0_cback avdt_handle: %d event=0x%x", handle, event);
605 bta_av_proc_stream_evt(handle, bd_addr, event, p_data, 0);
606 }
607
608 /*******************************************************************************
609 **
610 ** Function bta_av_stream1_cback
611 **
612 ** Description This is the AVDTP callback function for stream events.
613 **
614 ** Returns void
615 **
616 *******************************************************************************/
bta_av_stream1_cback(UINT8 handle,BD_ADDR bd_addr,UINT8 event,tAVDT_CTRL * p_data)617 static void bta_av_stream1_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data)
618 {
619 APPL_TRACE_EVENT("bta_av_stream1_cback avdt_handle: %d event=0x%x", handle, event);
620 bta_av_proc_stream_evt(handle, bd_addr, event, p_data, 1);
621 }
622
623 #if BTA_AV_NUM_STRS > 2
624 /*******************************************************************************
625 **
626 ** Function bta_av_stream2_cback
627 **
628 ** Description This is the AVDTP callback function for stream events.
629 **
630 ** Returns void
631 **
632 *******************************************************************************/
bta_av_stream2_cback(UINT8 handle,BD_ADDR bd_addr,UINT8 event,tAVDT_CTRL * p_data)633 static void bta_av_stream2_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data)
634 {
635 APPL_TRACE_EVENT("bta_av_stream2_cback avdt_handle: %d event=0x%x", handle, event);
636 bta_av_proc_stream_evt(handle, bd_addr, event, p_data, 2);
637 }
638 #endif
639
640 #if BTA_AV_NUM_STRS > 3
641 /*******************************************************************************
642 **
643 ** Function bta_av_stream3_cback
644 **
645 ** Description This is the AVDTP callback function for stream events.
646 **
647 ** Returns void
648 **
649 *******************************************************************************/
bta_av_stream3_cback(UINT8 handle,BD_ADDR bd_addr,UINT8 event,tAVDT_CTRL * p_data)650 static void bta_av_stream3_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data)
651 {
652 APPL_TRACE_EVENT("bta_av_stream3_cback avdt_handle: %d event=0x%x", handle, event);
653 bta_av_proc_stream_evt(handle, bd_addr, event, p_data, 3);
654 }
655 #endif
656
657 /*******************************************************************************
658 **
659 ** Function bta_av_stream4_cback
660 **
661 ** Description This is the AVDTP callback function for stream events.
662 **
663 ** Returns void
664 **
665 *******************************************************************************/
666 #if BTA_AV_NUM_STRS > 4
bta_av_stream4_cback(UINT8 handle,BD_ADDR bd_addr,UINT8 event,tAVDT_CTRL * p_data)667 static void bta_av_stream4_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data)
668 {
669 APPL_TRACE_EVENT("bta_av_stream4_cback avdt_handle: %d event=0x%x", handle, event);
670 bta_av_proc_stream_evt(handle, bd_addr, event, p_data, 4);
671 }
672 #endif
673
674 /*******************************************************************************
675 **
676 ** Function bta_av_stream5_cback
677 **
678 ** Description This is the AVDTP callback function for stream events.
679 **
680 ** Returns void
681 **
682 *******************************************************************************/
683 #if BTA_AV_NUM_STRS > 5
bta_av_stream5_cback(UINT8 handle,BD_ADDR bd_addr,UINT8 event,tAVDT_CTRL * p_data)684 static void bta_av_stream5_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data)
685 {
686 APPL_TRACE_EVENT("bta_av_stream5_cback avdt_handle: %d event=0x%x", handle, event);
687 bta_av_proc_stream_evt(handle, bd_addr, event, p_data, 5);
688 }
689 #endif
690
691 /*******************************************************************************
692 **
693 ** Function bta_av_a2d_sdp_cback
694 **
695 ** Description A2DP service discovery callback.
696 **
697 ** Returns void
698 **
699 *******************************************************************************/
bta_av_a2d_sdp_cback(BOOLEAN found,tA2D_Service * p_service)700 static void bta_av_a2d_sdp_cback(BOOLEAN found, tA2D_Service *p_service)
701 {
702 tBTA_AV_SDP_RES *p_msg;
703 tBTA_AV_SCB *p_scb;
704
705 if ((p_msg = (tBTA_AV_SDP_RES *) GKI_getbuf(sizeof(tBTA_AV_SDP_RES))) != NULL)
706 {
707 p_msg->hdr.event = (found) ? BTA_AV_SDP_DISC_OK_EVT : BTA_AV_SDP_DISC_FAIL_EVT;
708
709 p_scb = bta_av_hndl_to_scb(bta_av_cb.handle);
710 if (p_scb)
711 {
712 if (found && (p_service != NULL))
713 p_scb->avdt_version = p_service->avdt_version;
714 else
715 p_scb->avdt_version = 0x00;
716
717 p_msg->hdr.layer_specific = bta_av_cb.handle;
718 bta_sys_sendmsg(p_msg);
719 }
720 else
721 {
722 APPL_TRACE_ERROR ("bta_av_a2d_sdp_cback, no scb found for handle(0x%x)", bta_av_cb.handle);
723 }
724 }
725 }
726
727 /*******************************************************************************
728 **
729 ** Function bta_av_adjust_seps_idx
730 **
731 ** Description adjust the sep_idx
732 **
733 ** Returns
734 **
735 *******************************************************************************/
bta_av_adjust_seps_idx(tBTA_AV_SCB * p_scb,UINT8 avdt_handle)736 static void bta_av_adjust_seps_idx(tBTA_AV_SCB *p_scb, UINT8 avdt_handle)
737 {
738 int xx;
739 APPL_TRACE_DEBUG("bta_av_adjust_seps_idx codec_type: %d", p_scb->codec_type);
740 for(xx=0; xx<BTA_AV_MAX_SEPS; xx++)
741 {
742 APPL_TRACE_DEBUG("av_handle: %d codec_type: %d",
743 p_scb->seps[xx].av_handle, p_scb->seps[xx].codec_type);
744 if((p_scb->seps[xx].av_handle && p_scb->codec_type == p_scb->seps[xx].codec_type)
745 && (p_scb->seps[xx].av_handle == avdt_handle))
746 {
747 p_scb->sep_idx = xx;
748 p_scb->avdt_handle = p_scb->seps[xx].av_handle;
749 break;
750 }
751 }
752 }
753
754 /*******************************************************************************
755 **
756 ** Function bta_av_switch_role
757 **
758 ** Description Switch role was not started and a timer was started.
759 ** another attempt to switch role now - still opening.
760 **
761 ** Returns void
762 **
763 *******************************************************************************/
bta_av_switch_role(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)764 void bta_av_switch_role (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
765 {
766 tBTA_AV_RS_RES switch_res = BTA_AV_RS_NONE;
767 tBTA_AV_API_OPEN *p_buf = &p_scb->q_info.open;
768 UNUSED(p_data);
769
770 APPL_TRACE_DEBUG("bta_av_switch_role wait:x%x", p_scb->wait);
771 if (p_scb->wait & BTA_AV_WAIT_ROLE_SW_RES_START)
772 p_scb->wait |= BTA_AV_WAIT_ROLE_SW_RETRY;
773
774 /* clear the masks set when the timer is started */
775 p_scb->wait &= ~(BTA_AV_WAIT_ROLE_SW_RES_OPEN|BTA_AV_WAIT_ROLE_SW_RES_START);
776
777 if (p_scb->q_tag == BTA_AV_Q_TAG_OPEN)
778 {
779 if (bta_av_switch_if_needed(p_scb) || !bta_av_link_role_ok(p_scb, A2D_SET_MULTL_BIT))
780 {
781 p_scb->wait |= BTA_AV_WAIT_ROLE_SW_RES_OPEN;
782 }
783 else
784 {
785 /* this should not happen in theory. Just in case...
786 * continue to do_disc_a2d */
787 switch_res = BTA_AV_RS_DONE;
788 }
789 }
790 else
791 {
792 /* report failure on OPEN */
793 switch_res = BTA_AV_RS_FAIL;
794 }
795
796 if (switch_res != BTA_AV_RS_NONE)
797 {
798 if (bta_av_cb.rs_idx == (p_scb->hdi + 1))
799 {
800 bta_av_cb.rs_idx = 0;
801 }
802 p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_RETRY;
803 p_scb->q_tag = 0;
804 p_buf->switch_res = switch_res;
805 bta_av_do_disc_a2d(p_scb, (tBTA_AV_DATA *)p_buf);
806 }
807 }
808
809 /*******************************************************************************
810 **
811 ** Function bta_av_role_res
812 **
813 ** Description Handle the role changed event
814 **
815 **
816 ** Returns void
817 **
818 *******************************************************************************/
bta_av_role_res(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)819 void bta_av_role_res (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
820 {
821 BOOLEAN initiator = FALSE;
822 tBTA_AV_START start;
823 tBTA_AV_OPEN av_open;
824
825 APPL_TRACE_DEBUG("bta_av_role_res q_tag:%d, wait:x%x, role:x%x", p_scb->q_tag, p_scb->wait, p_scb->role);
826 if (p_scb->role & BTA_AV_ROLE_START_INT)
827 initiator = TRUE;
828
829 if (p_scb->q_tag == BTA_AV_Q_TAG_START)
830 {
831 if (p_scb->wait & BTA_AV_WAIT_ROLE_SW_STARTED)
832 {
833 p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_BITS;
834 if (p_data->role_res.hci_status != HCI_SUCCESS)
835 {
836 p_scb->role &= ~BTA_AV_ROLE_START_INT;
837 bta_sys_idle(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->peer_addr);
838 /* start failed because of role switch. */
839 start.chnl = p_scb->chnl;
840 start.status = BTA_AV_FAIL_ROLE;
841 start.hndl = p_scb->hndl;
842 start.initiator = initiator;
843 (*bta_av_cb.p_cback)(BTA_AV_START_EVT, (tBTA_AV *) &start);
844 }
845 else
846 {
847 bta_av_start_ok(p_scb, p_data);
848 }
849 }
850 else if (p_scb->wait & BTA_AV_WAIT_ROLE_SW_RES_START)
851 p_scb->wait |= BTA_AV_WAIT_ROLE_SW_FAILED;
852 }
853 else if (p_scb->q_tag == BTA_AV_Q_TAG_OPEN)
854 {
855 if (p_scb->wait & BTA_AV_WAIT_ROLE_SW_RES_OPEN)
856 {
857 p_scb->role &= ~BTA_AV_ROLE_START_INT;
858 p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_BITS;
859
860 if (p_data->role_res.hci_status != HCI_SUCCESS)
861 {
862 /* Open failed because of role switch. */
863 bdcpy(av_open.bd_addr, p_scb->peer_addr);
864 av_open.chnl = p_scb->chnl;
865 av_open.hndl = p_scb->hndl;
866 start.status = BTA_AV_FAIL_ROLE;
867 if(p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SRC )
868 av_open.sep = AVDT_TSEP_SNK;
869 else if(p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SNK )
870 av_open.sep = AVDT_TSEP_SRC;
871 (*bta_av_cb.p_cback)(BTA_AV_OPEN_EVT, (tBTA_AV *)&av_open);
872 }
873 else
874 {
875 /* Continue av open process */
876 p_scb->q_info.open.switch_res = BTA_AV_RS_DONE;
877 bta_av_do_disc_a2d (p_scb, (tBTA_AV_DATA *)&(p_scb->q_info.open));
878 }
879 }
880 else
881 {
882 APPL_TRACE_WARNING ("Unexpected role switch event: q_tag = %d wait = %d", p_scb->q_tag, p_scb->wait);
883 }
884 }
885
886 APPL_TRACE_DEBUG("wait:x%x, role:x%x", p_scb->wait, p_scb->role);
887 }
888
889 /*******************************************************************************
890 **
891 ** Function bta_av_delay_co
892 **
893 ** Description Call the delay call-out function to report the delay report
894 ** from SNK
895 **
896 ** Returns void
897 **
898 *******************************************************************************/
bta_av_delay_co(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)899 void bta_av_delay_co (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
900 {
901 p_scb->p_cos->delay(p_scb->hndl, p_data->str_msg.msg.delay_rpt_cmd.delay);
902 }
903
904 /*******************************************************************************
905 **
906 ** Function bta_av_do_disc_a2d
907 **
908 ** Description Do service discovery for A2DP.
909 **
910 ** Returns void
911 **
912 *******************************************************************************/
bta_av_do_disc_a2d(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)913 void bta_av_do_disc_a2d (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
914 {
915 BOOLEAN ok_continue = FALSE;
916 tA2D_SDP_DB_PARAMS db_params;
917 UINT16 attr_list[] = {ATTR_ID_SERVICE_CLASS_ID_LIST,
918 ATTR_ID_PROTOCOL_DESC_LIST,
919 ATTR_ID_BT_PROFILE_DESC_LIST};
920 UINT16 sdp_uuid = 0; /* UUID for which SDP has to be done */
921
922 APPL_TRACE_DEBUG("bta_av_do_disc_a2d use_rc: %d rs:%d, oc:%d",
923 p_data->api_open.use_rc, p_data->api_open.switch_res, bta_av_cb.audio_open_cnt);
924
925 memcpy (&(p_scb->open_api), &(p_data->api_open), sizeof(tBTA_AV_API_OPEN));
926
927 switch(p_data->api_open.switch_res)
928 {
929 case BTA_AV_RS_NONE:
930 if (bta_av_switch_if_needed(p_scb) || !bta_av_link_role_ok(p_scb, A2D_SET_MULTL_BIT))
931 {
932 /* waiting for role switch result. save the api to control block */
933 memcpy(&p_scb->q_info.open, &p_data->api_open, sizeof(tBTA_AV_API_OPEN));
934 p_scb->wait |= BTA_AV_WAIT_ROLE_SW_RES_OPEN;
935 p_scb->q_tag = BTA_AV_Q_TAG_OPEN;
936 }
937 else
938 {
939 ok_continue = TRUE;
940 }
941 break;
942
943 case BTA_AV_RS_FAIL:
944 /* report a new failure event */
945 p_scb->open_status = BTA_AV_FAIL_ROLE;
946 bta_av_ssm_execute(p_scb, BTA_AV_SDP_DISC_FAIL_EVT, NULL);
947 break;
948
949 case BTA_AV_RS_OK:
950 p_data = (tBTA_AV_DATA *)&p_scb->q_info.open;
951 /* continue to open if link role is ok */
952 if (bta_av_link_role_ok(p_scb, A2D_SET_MULTL_BIT))
953 {
954 ok_continue = TRUE;
955 }
956 else
957 {
958 p_scb->wait |= BTA_AV_WAIT_ROLE_SW_RES_OPEN;
959 }
960 break;
961
962 case BTA_AV_RS_DONE:
963 ok_continue = TRUE;
964 break;
965 }
966
967 APPL_TRACE_DEBUG("ok_continue: %d wait:x%x, q_tag: %d", ok_continue, p_scb->wait, p_scb->q_tag);
968 if (!ok_continue)
969 return;
970
971 /* clear the role switch bits */
972 p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_BITS;
973
974 if (p_scb->wait & BTA_AV_WAIT_CHECK_RC)
975 {
976 p_scb->wait &= ~BTA_AV_WAIT_CHECK_RC;
977 bta_sys_start_timer(&p_scb->timer, BTA_AV_AVRC_TIMER_EVT, BTA_AV_RC_DISC_TIME_VAL);
978 }
979
980 if (bta_av_cb.features & BTA_AV_FEAT_MASTER)
981 {
982 L2CA_SetDesireRole(L2CAP_ROLE_DISALLOW_SWITCH);
983
984 if (bta_av_cb.audio_open_cnt == 1)
985 {
986 /* there's already an A2DP connection. do not allow switch */
987 bta_sys_clear_default_policy(BTA_ID_AV, HCI_ENABLE_MASTER_SLAVE_SWITCH);
988 }
989 }
990 /* store peer addr other parameters */
991 bta_av_save_addr(p_scb, p_data->api_open.bd_addr);
992 p_scb->sec_mask = p_data->api_open.sec_mask;
993 p_scb->use_rc = p_data->api_open.use_rc;
994
995 bta_sys_app_open(BTA_ID_AV, p_scb->app_id, p_scb->peer_addr);
996
997 /* allocate discovery database */
998 if (p_scb->p_disc_db == NULL)
999 {
1000 p_scb->p_disc_db = (tSDP_DISCOVERY_DB *) GKI_getbuf(BTA_AV_DISC_BUF_SIZE);
1001 }
1002
1003 /* only one A2D find service is active at a time */
1004 bta_av_cb.handle = p_scb->hndl;
1005
1006 if(p_scb->p_disc_db)
1007 {
1008 /* set up parameters */
1009 db_params.db_len = BTA_AV_DISC_BUF_SIZE;
1010 db_params.num_attr = 3;
1011 db_params.p_db = p_scb->p_disc_db;
1012 db_params.p_attrs = attr_list;
1013 p_scb->uuid_int = p_data->api_open.uuid;
1014 if (p_scb->uuid_int == UUID_SERVCLASS_AUDIO_SINK)
1015 sdp_uuid = UUID_SERVCLASS_AUDIO_SOURCE;
1016 else if (p_scb->uuid_int == UUID_SERVCLASS_AUDIO_SOURCE)
1017 sdp_uuid = UUID_SERVCLASS_AUDIO_SINK;
1018
1019 APPL_TRACE_DEBUG("uuid_int 0x%x, Doing SDP For 0x%x", p_scb->uuid_int, sdp_uuid);
1020 if(A2D_FindService(sdp_uuid, p_scb->peer_addr, &db_params,
1021 bta_av_a2d_sdp_cback) == A2D_SUCCESS)
1022 {
1023 return;
1024 }
1025 }
1026
1027 /* when the code reaches here, either the DB is NULL
1028 * or A2D_FindService is not successful */
1029 bta_av_a2d_sdp_cback(FALSE, NULL);
1030 }
1031
1032 /*******************************************************************************
1033 **
1034 ** Function bta_av_cleanup
1035 **
1036 ** Description cleanup AV stream control block.
1037 **
1038 ** Returns void
1039 **
1040 *******************************************************************************/
bta_av_cleanup(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)1041 void bta_av_cleanup(tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
1042 {
1043 tBTA_AV_CONN_CHG msg;
1044 int xx;
1045 UINT8 role = BTA_AV_ROLE_AD_INT;
1046 UNUSED(p_data);
1047
1048 APPL_TRACE_DEBUG("bta_av_cleanup");
1049
1050 /* free any buffers */
1051 utl_freebuf((void **) &p_scb->p_cap);
1052 utl_freebuf((void **) &p_scb->p_disc_db);
1053 p_scb->avdt_version = 0;
1054
1055 /* initialize some control block variables */
1056 p_scb->open_status = BTA_AV_SUCCESS;
1057
1058 /* if de-registering shut everything down */
1059 msg.hdr.layer_specific = p_scb->hndl;
1060 p_scb->started = FALSE;
1061 p_scb->cong = FALSE;
1062 p_scb->role = role;
1063 p_scb->cur_psc_mask = 0;
1064 p_scb->wait = 0;
1065 p_scb->num_disc_snks = 0;
1066 bta_sys_stop_timer(&p_scb->timer);
1067 if (p_scb->deregistring)
1068 {
1069 /* remove stream */
1070 for(xx=0; xx<BTA_AV_MAX_SEPS; xx++)
1071 {
1072 if(p_scb->seps[xx].av_handle)
1073 AVDT_RemoveStream(p_scb->seps[xx].av_handle);
1074 p_scb->seps[xx].av_handle = 0;
1075 }
1076
1077 bta_av_dereg_comp((tBTA_AV_DATA *) &msg);
1078 }
1079 else
1080 {
1081 /* report stream closed to main SM */
1082 msg.is_up = FALSE;
1083 bdcpy(msg.peer_addr, p_scb->peer_addr);
1084 bta_av_conn_chg((tBTA_AV_DATA *) &msg);
1085 }
1086 }
1087
1088 /*******************************************************************************
1089 **
1090 ** Function bta_av_free_sdb
1091 **
1092 ** Description Free service discovery db buffer.
1093 **
1094 ** Returns void
1095 **
1096 *******************************************************************************/
bta_av_free_sdb(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)1097 void bta_av_free_sdb(tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
1098 {
1099 UNUSED(p_data);
1100 utl_freebuf((void **) &p_scb->p_disc_db);
1101 }
1102
1103 /*******************************************************************************
1104 **
1105 ** Function bta_av_config_ind
1106 **
1107 ** Description Handle a stream configuration indication from the peer.
1108 **
1109 ** Returns void
1110 **
1111 *******************************************************************************/
bta_av_config_ind(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)1112 void bta_av_config_ind (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
1113 {
1114 tBTA_AV_CI_SETCONFIG setconfig;
1115 tAVDT_SEP_INFO *p_info;
1116 tAVDT_CFG *p_evt_cfg = &p_data->str_msg.cfg;
1117 UINT8 psc_mask = (p_evt_cfg->psc_mask | p_scb->cfg.psc_mask);
1118 UINT8 local_sep; /* sep type of local handle on which connection was received */
1119 UINT8 count = 0;
1120 tBTA_AV_STR_MSG *p_msg = (tBTA_AV_STR_MSG *)p_data;
1121 UNUSED(p_data);
1122
1123 local_sep = bta_av_get_scb_sep_type(p_scb, p_msg->handle);
1124 p_scb->avdt_label = p_data->str_msg.msg.hdr.label;
1125 memcpy(p_scb->cfg.codec_info, p_evt_cfg->codec_info, AVDT_CODEC_SIZE);
1126 p_scb->codec_type = p_evt_cfg->codec_info[BTA_AV_CODEC_TYPE_IDX];
1127 bta_av_save_addr(p_scb, p_data->str_msg.bd_addr);
1128
1129 /* Clear collision mask */
1130 p_scb->coll_mask = 0;
1131 bta_sys_stop_timer(&bta_av_cb.acp_sig_tmr);
1132
1133 /* if no codec parameters in configuration, fail */
1134 if ((p_evt_cfg->num_codec == 0) ||
1135 /* or the peer requests for a service we do not support */
1136 ((psc_mask != p_scb->cfg.psc_mask) &&
1137 (psc_mask != (p_scb->cfg.psc_mask&~AVDT_PSC_DELAY_RPT))) )
1138 {
1139 setconfig.hndl = p_scb->hndl; /* we may not need this */
1140 setconfig.err_code = AVDT_ERR_UNSUP_CFG;
1141 bta_av_ssm_execute(p_scb, BTA_AV_CI_SETCONFIG_FAIL_EVT, (tBTA_AV_DATA *) &setconfig);
1142 }
1143 else
1144 {
1145 p_info = &p_scb->sep_info[0];
1146 p_info->in_use = 0;
1147 p_info->media_type = p_scb->media_type;
1148 p_info->seid = p_data->str_msg.msg.config_ind.int_seid;
1149
1150 /* Sep type of Peer will be oppsite role to our local sep */
1151 if (local_sep == AVDT_TSEP_SRC)
1152 p_info->tsep = AVDT_TSEP_SNK;
1153 else if (local_sep == AVDT_TSEP_SNK)
1154 p_info->tsep = AVDT_TSEP_SRC;
1155
1156 p_scb->role |= BTA_AV_ROLE_AD_ACP;
1157 p_scb->cur_psc_mask = p_evt_cfg->psc_mask;
1158 if (bta_av_cb.features & BTA_AV_FEAT_RCTG)
1159 p_scb->use_rc = TRUE;
1160 else
1161 p_scb->use_rc = FALSE;
1162
1163 p_scb->num_seps = 1;
1164 p_scb->sep_info_idx = 0;
1165 APPL_TRACE_DEBUG("bta_av_config_ind: SEID: %d use_rc: %d cur_psc_mask:0x%x", p_info->seid, p_scb->use_rc, p_scb->cur_psc_mask);
1166 /* in case of A2DP SINK this is the first time peer data is being sent to co functions */
1167 if (local_sep == AVDT_TSEP_SNK)
1168 {
1169 p_scb->p_cos->setcfg(p_scb->hndl, p_scb->codec_type,
1170 p_evt_cfg->codec_info,
1171 p_info->seid,
1172 p_scb->peer_addr,
1173 p_evt_cfg->num_protect,
1174 p_evt_cfg->protect_info,
1175 AVDT_TSEP_SNK,
1176 p_msg->handle);
1177 }
1178 else
1179 {
1180 p_scb->p_cos->setcfg(p_scb->hndl, p_scb->codec_type,
1181 p_evt_cfg->codec_info,
1182 p_info->seid,
1183 p_scb->peer_addr,
1184 p_evt_cfg->num_protect,
1185 p_evt_cfg->protect_info,
1186 AVDT_TSEP_SRC,
1187 p_msg->handle);
1188 }
1189 }
1190 }
1191
1192 /*******************************************************************************
1193 **
1194 ** Function bta_av_disconnect_req
1195 **
1196 ** Description Disconnect AVDTP connection.
1197 **
1198 ** Returns void
1199 **
1200 *******************************************************************************/
bta_av_disconnect_req(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)1201 void bta_av_disconnect_req (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
1202 {
1203 tBTA_AV_RCB *p_rcb;
1204 UNUSED(p_data);
1205
1206 APPL_TRACE_DEBUG("bta_av_disconnect_req conn_lcb: 0x%x", bta_av_cb.conn_lcb);
1207
1208 bta_sys_stop_timer(&bta_av_cb.sig_tmr);
1209 bta_sys_stop_timer(&p_scb->timer);
1210 if(bta_av_cb.conn_lcb)
1211 {
1212 p_rcb = bta_av_get_rcb_by_shdl((UINT8)(p_scb->hdi + 1));
1213 if (p_rcb)
1214 bta_av_del_rc(p_rcb);
1215 AVDT_DisconnectReq(p_scb->peer_addr, bta_av_dt_cback[p_scb->hdi]);
1216 }
1217 else
1218 {
1219 bta_av_ssm_execute(p_scb, BTA_AV_AVDT_DISCONNECT_EVT, NULL);
1220 }
1221 }
1222
1223 /*******************************************************************************
1224 **
1225 ** Function bta_av_security_req
1226 **
1227 ** Description Send an AVDTP security request.
1228 **
1229 ** Returns void
1230 **
1231 *******************************************************************************/
bta_av_security_req(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)1232 void bta_av_security_req (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
1233 {
1234 if (bta_av_cb.features & BTA_AV_FEAT_PROTECT)
1235 {
1236 AVDT_SecurityReq(p_scb->avdt_handle, p_data->api_protect_req.p_data,
1237 p_data->api_protect_req.len);
1238 }
1239 }
1240
1241 /*******************************************************************************
1242 **
1243 ** Function bta_av_security_rsp
1244 **
1245 ** Description Send an AVDTP security response.
1246 **
1247 ** Returns void
1248 **
1249 *******************************************************************************/
bta_av_security_rsp(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)1250 void bta_av_security_rsp (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
1251 {
1252 if (bta_av_cb.features & BTA_AV_FEAT_PROTECT)
1253 {
1254 AVDT_SecurityRsp(p_scb->avdt_handle, p_scb->avdt_label, p_data->api_protect_rsp.error_code,
1255 p_data->api_protect_rsp.p_data, p_data->api_protect_rsp.len);
1256 }
1257 else
1258 {
1259 AVDT_SecurityRsp(p_scb->avdt_handle, p_scb->avdt_label, AVDT_ERR_NSC,
1260 NULL, 0);
1261 }
1262 }
1263
1264 /*******************************************************************************
1265 **
1266 ** Function bta_av_setconfig_rsp
1267 **
1268 ** Description setconfig is OK
1269 **
1270 ** Returns void
1271 **
1272 *******************************************************************************/
bta_av_setconfig_rsp(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)1273 void bta_av_setconfig_rsp (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
1274 {
1275 UINT8 num = p_data->ci_setconfig.num_seid + 1;
1276 UINT8 avdt_handle = p_data->ci_setconfig.avdt_handle;
1277 UINT8 *p_seid = p_data->ci_setconfig.p_seid;
1278 int i;
1279 UINT8 local_sep;
1280
1281 /* we like this codec_type. find the sep_idx */
1282 local_sep = bta_av_get_scb_sep_type(p_scb,avdt_handle);
1283 bta_av_adjust_seps_idx(p_scb, avdt_handle);
1284 APPL_TRACE_DEBUG("bta_av_setconfig_rsp: sep_idx: %d cur_psc_mask:0x%x", p_scb->sep_idx, p_scb->cur_psc_mask);
1285
1286 if ((AVDT_TSEP_SNK == local_sep) && (p_data->ci_setconfig.err_code == AVDT_SUCCESS) &&
1287 (p_scb->seps[p_scb->sep_idx].p_app_data_cback != NULL))
1288 p_scb->seps[p_scb->sep_idx].p_app_data_cback(BTA_AV_MEDIA_SINK_CFG_EVT,
1289 (tBTA_AV_MEDIA*)p_scb->cfg.codec_info);
1290
1291
1292 AVDT_ConfigRsp(p_scb->avdt_handle, p_scb->avdt_label, p_data->ci_setconfig.err_code,
1293 p_data->ci_setconfig.category);
1294
1295 bta_sys_stop_timer(&bta_av_cb.sig_tmr);
1296
1297 if(p_data->ci_setconfig.err_code == AVDT_SUCCESS)
1298 {
1299 p_scb->wait = BTA_AV_WAIT_ACP_CAPS_ON;
1300 if(p_data->ci_setconfig.recfg_needed)
1301 p_scb->role |= BTA_AV_ROLE_SUSPEND_OPT;
1302 APPL_TRACE_DEBUG("bta_av_setconfig_rsp recfg_needed:%d role:x%x num:%d",
1303 p_data->ci_setconfig.recfg_needed, p_scb->role, num);
1304 /* callout module tells BTA the number of "good" SEPs and their SEIDs.
1305 * getcap on these SEID */
1306 p_scb->num_seps = num;
1307
1308 if (p_scb->cur_psc_mask & AVDT_PSC_DELAY_RPT)
1309 p_scb->avdt_version = AVDT_VERSION_SYNC;
1310
1311
1312 if (p_scb->codec_type == BTA_AV_CODEC_SBC || num > 1)
1313 {
1314 /* if SBC is used by the SNK as INT, discover req is not sent in bta_av_config_ind.
1315 * call disc_res now */
1316 /* this is called in A2DP SRC path only, In case of SINK we don't need it */
1317 if (local_sep == AVDT_TSEP_SRC)
1318 p_scb->p_cos->disc_res(p_scb->hndl, num, num, 0, p_scb->peer_addr,
1319 UUID_SERVCLASS_AUDIO_SOURCE);
1320 }
1321 else
1322 {
1323 /* we do not know the peer device and it is using non-SBC codec
1324 * we need to know all the SEPs on SNK */
1325 bta_av_discover_req(p_scb, NULL);
1326 return;
1327 }
1328
1329 for (i = 1; i < num; i++)
1330 {
1331 APPL_TRACE_DEBUG("sep_info[%d] SEID: %d", i, p_seid[i-1]);
1332 /* initialize the sep_info[] to get capabilities */
1333 p_scb->sep_info[i].in_use = FALSE;
1334 p_scb->sep_info[i].tsep = AVDT_TSEP_SNK;
1335 p_scb->sep_info[i].media_type = p_scb->media_type;
1336 p_scb->sep_info[i].seid = p_seid[i-1];
1337 }
1338
1339 /* only in case of local sep as SRC we need to look for other SEPs, In case of SINK we don't */
1340 if (local_sep == AVDT_TSEP_SRC)
1341 {
1342 /* Make sure UUID has been initialized... */
1343 if (p_scb->uuid_int == 0)
1344 p_scb->uuid_int = p_scb->open_api.uuid;
1345 bta_av_next_getcap(p_scb, p_data);
1346 }
1347 }
1348 }
1349
1350 /*******************************************************************************
1351 **
1352 ** Function bta_av_str_opened
1353 **
1354 ** Description Stream opened OK (incoming/outgoing).
1355 **
1356 ** Returns void
1357 **
1358 *******************************************************************************/
bta_av_str_opened(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)1359 void bta_av_str_opened (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
1360 {
1361 tBTA_AV_CONN_CHG msg;
1362 tBTA_AV_OPEN open;
1363 UINT8 *p;
1364 UINT16 mtu;
1365
1366 msg.hdr.layer_specific = p_scb->hndl;
1367 msg.is_up = TRUE;
1368 bdcpy(msg.peer_addr, p_scb->peer_addr);
1369 p_scb->l2c_cid = AVDT_GetL2CapChannel(p_scb->avdt_handle);
1370 bta_av_conn_chg((tBTA_AV_DATA *) &msg);
1371 /* set the congestion flag, so AV would not send media packets by accident */
1372 p_scb->cong = TRUE;
1373
1374
1375 p_scb->stream_mtu = p_data->str_msg.msg.open_ind.peer_mtu - AVDT_MEDIA_HDR_SIZE;
1376 mtu = bta_av_chk_mtu(p_scb, p_scb->stream_mtu);
1377 APPL_TRACE_DEBUG("bta_av_str_opened l2c_cid: 0x%x stream_mtu: %d mtu: %d",
1378 p_scb->l2c_cid, p_scb->stream_mtu, mtu);
1379 if(mtu == 0 || mtu > p_scb->stream_mtu)
1380 mtu = p_scb->stream_mtu;
1381
1382 /* Set the media channel as medium priority */
1383 L2CA_SetTxPriority(p_scb->l2c_cid, L2CAP_CHNL_PRIORITY_MEDIUM);
1384 L2CA_SetChnlFlushability (p_scb->l2c_cid, TRUE);
1385
1386 bta_sys_conn_open(BTA_ID_AV, p_scb->app_id, p_scb->peer_addr);
1387 memset(&p_scb->q_info, 0, sizeof(tBTA_AV_Q_INFO));
1388
1389 p_scb->l2c_bufs = 0;
1390 p_scb->p_cos->open(p_scb->hndl,
1391 p_scb->codec_type, p_scb->cfg.codec_info, mtu);
1392
1393 {
1394 /* TODO check if other audio channel is open.
1395 * If yes, check if reconfig is needed
1396 * Rigt now we do not do this kind of checking.
1397 * BTA-AV is INT for 2nd audio connection.
1398 * The application needs to make sure the current codec_info is proper.
1399 * If one audio connection is open and another SNK attempts to connect to AV,
1400 * the connection will be rejected.
1401 */
1402 /* check if other audio channel is started. If yes, start */
1403 bdcpy(open.bd_addr, p_scb->peer_addr);
1404 open.chnl = p_scb->chnl;
1405 open.hndl = p_scb->hndl;
1406 open.status = BTA_AV_SUCCESS;
1407 open.starting = bta_av_chk_start(p_scb);
1408 open.edr = 0;
1409 if( NULL != (p = BTM_ReadRemoteFeatures(p_scb->peer_addr)))
1410 {
1411 if(HCI_EDR_ACL_2MPS_SUPPORTED(p))
1412 open.edr |= BTA_AV_EDR_2MBPS;
1413 if(HCI_EDR_ACL_3MPS_SUPPORTED(p))
1414 open.edr |= BTA_AV_EDR_3MBPS;
1415 }
1416 #if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE)
1417 bta_ar_avdt_conn(BTA_ID_AV, open.bd_addr);
1418 #endif
1419 if (p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SRC )
1420 open.sep = AVDT_TSEP_SNK;
1421 else if (p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SNK )
1422 open.sep = AVDT_TSEP_SRC;
1423
1424 (*bta_av_cb.p_cback)(BTA_AV_OPEN_EVT, (tBTA_AV *) &open);
1425 if(open.starting)
1426 {
1427 bta_av_ssm_execute(p_scb, BTA_AV_AP_START_EVT, NULL);
1428 }
1429 }
1430 }
1431
1432 /*******************************************************************************
1433 **
1434 ** Function bta_av_security_ind
1435 **
1436 ** Description Handle an AVDTP security indication.
1437 **
1438 ** Returns void
1439 **
1440 *******************************************************************************/
bta_av_security_ind(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)1441 void bta_av_security_ind (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
1442 {
1443 tBTA_AV_PROTECT_REQ protect_req;
1444
1445 p_scb->avdt_label = p_data->str_msg.msg.hdr.label;
1446
1447 if (bta_av_cb.features & BTA_AV_FEAT_PROTECT)
1448 {
1449 protect_req.chnl = p_scb->chnl;
1450 protect_req.hndl = p_scb->hndl;
1451 /*
1452 APPL_TRACE_EVENT("sec ind handle: x%x", protect_req.hndl);
1453 */
1454 protect_req.p_data = p_data->str_msg.msg.security_ind.p_data;
1455 protect_req.len = p_data->str_msg.msg.security_ind.len;
1456
1457 (*bta_av_cb.p_cback)(BTA_AV_PROTECT_REQ_EVT, (tBTA_AV *) &protect_req);
1458 }
1459 /* app doesn't support security indication; respond with failure */
1460 else
1461 {
1462 AVDT_SecurityRsp(p_scb->avdt_handle, p_scb->avdt_label, AVDT_ERR_NSC, NULL, 0);
1463 }
1464 }
1465
1466 /*******************************************************************************
1467 **
1468 ** Function bta_av_security_cfm
1469 **
1470 ** Description Handle an AVDTP security confirm.
1471 **
1472 ** Returns void
1473 **
1474 *******************************************************************************/
bta_av_security_cfm(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)1475 void bta_av_security_cfm (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
1476 {
1477 tBTA_AV_PROTECT_RSP protect_rsp;
1478
1479 if (bta_av_cb.features & BTA_AV_FEAT_PROTECT)
1480 {
1481 protect_rsp.chnl = p_scb->chnl;
1482 protect_rsp.hndl = p_scb->hndl;
1483 protect_rsp.p_data = p_data->str_msg.msg.security_cfm.p_data;
1484 protect_rsp.len = p_data->str_msg.msg.security_cfm.len;
1485 protect_rsp.err_code= p_data->str_msg.msg.hdr.err_code;
1486
1487 (*bta_av_cb.p_cback)(BTA_AV_PROTECT_RSP_EVT, (tBTA_AV *) &protect_rsp);
1488 }
1489 }
1490
1491 /*******************************************************************************
1492 **
1493 ** Function bta_av_do_close
1494 **
1495 ** Description Close stream.
1496 **
1497 ** Returns void
1498 **
1499 *******************************************************************************/
bta_av_do_close(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)1500 void bta_av_do_close (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
1501 {
1502 UNUSED(p_data);
1503
1504 /* stop stream if started */
1505 if (p_scb->co_started)
1506 {
1507 bta_av_str_stopped(p_scb, NULL);
1508 }
1509 bta_sys_stop_timer(&bta_av_cb.sig_tmr);
1510
1511 /* close stream */
1512 p_scb->started = FALSE;
1513
1514 /* drop the buffers queued in L2CAP */
1515 L2CA_FlushChannel (p_scb->l2c_cid, L2CAP_FLUSH_CHANS_ALL);
1516
1517 AVDT_CloseReq(p_scb->avdt_handle);
1518 /* just in case that the link is congested, link is flow controled by peer or
1519 * for whatever reason the the close request can not be sent in time.
1520 * when this timer expires, AVDT_DisconnectReq will be called to disconnect the link
1521 */
1522 bta_sys_start_timer(&p_scb->timer,
1523 (UINT16)BTA_AV_API_CLOSE_EVT,
1524 BTA_AV_CLOSE_REQ_TIME_VAL);
1525
1526 }
1527
1528 /*******************************************************************************
1529 **
1530 ** Function bta_av_connect_req
1531 **
1532 ** Description Connect AVDTP connection.
1533 **
1534 ** Returns void
1535 **
1536 *******************************************************************************/
bta_av_connect_req(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)1537 void bta_av_connect_req (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
1538 {
1539 UNUSED(p_data);
1540
1541 utl_freebuf((void **) &p_scb->p_disc_db);
1542
1543 if (p_scb->coll_mask & BTA_AV_COLL_INC_TMR)
1544 {
1545 /* SNK initiated L2C connection while SRC was doing SDP. */
1546 /* Wait until timeout to check if SNK starts signalling. */
1547 APPL_TRACE_EVENT("bta_av_connect_req: coll_mask = 0x%2X", p_scb->coll_mask);
1548 return;
1549 }
1550
1551 AVDT_ConnectReq(p_scb->peer_addr, p_scb->sec_mask, bta_av_dt_cback[p_scb->hdi]);
1552 }
1553
1554 /*******************************************************************************
1555 **
1556 ** Function bta_av_sdp_failed
1557 **
1558 ** Description Service discovery failed.
1559 **
1560 ** Returns void
1561 **
1562 *******************************************************************************/
bta_av_sdp_failed(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)1563 void bta_av_sdp_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
1564 {
1565 if (!p_scb->open_status)
1566 p_scb->open_status = BTA_AV_FAIL_SDP;
1567
1568 utl_freebuf((void **) &p_scb->p_disc_db);
1569 bta_av_str_closed(p_scb, p_data);
1570 }
1571
1572 /*******************************************************************************
1573 **
1574 ** Function bta_av_disc_results
1575 **
1576 ** Description Handle the AVDTP discover results. Search through the
1577 ** results and find the first available stream, and get
1578 ** its capabilities.
1579 **
1580 ** Returns void
1581 **
1582 *******************************************************************************/
bta_av_disc_results(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)1583 void bta_av_disc_results (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
1584 {
1585 UINT8 num_snks = 0, num_srcs =0, i;
1586 /* our uuid in case we initiate connection */
1587 UINT16 uuid_int = p_scb->uuid_int;
1588
1589 APPL_TRACE_DEBUG(" initiator UUID 0x%x", uuid_int);
1590 /* store number of stream endpoints returned */
1591 p_scb->num_seps = p_data->str_msg.msg.discover_cfm.num_seps;
1592
1593 for (i = 0; i < p_scb->num_seps; i++)
1594 {
1595 /* steam not in use, is a sink, and is audio */
1596 if ((p_scb->sep_info[i].in_use == FALSE) &&
1597 (p_scb->sep_info[i].media_type == p_scb->media_type))
1598 {
1599 if((p_scb->sep_info[i].tsep == AVDT_TSEP_SNK) &&
1600 (uuid_int == UUID_SERVCLASS_AUDIO_SOURCE))
1601 num_snks++;
1602
1603 if((p_scb->sep_info[i].tsep == AVDT_TSEP_SRC) &&
1604 (uuid_int == UUID_SERVCLASS_AUDIO_SINK))
1605 num_srcs++;
1606
1607 }
1608 }
1609
1610 p_scb->p_cos->disc_res(p_scb->hndl, p_scb->num_seps, num_snks, num_srcs, p_scb->peer_addr,
1611 uuid_int);
1612 p_scb->num_disc_snks = num_snks;
1613 p_scb->num_disc_srcs = num_srcs;
1614
1615 /* if we got any */
1616 if (p_scb->num_seps > 0)
1617 {
1618 /* initialize index into discovery results */
1619 p_scb->sep_info_idx = 0;
1620
1621 /* get the capabilities of the first available stream */
1622 bta_av_next_getcap(p_scb, p_data);
1623 }
1624 /* else we got discover response but with no streams; we're done */
1625 else
1626 {
1627 bta_av_ssm_execute(p_scb, BTA_AV_STR_DISC_FAIL_EVT, p_data);
1628 }
1629 }
1630
1631 /*******************************************************************************
1632 **
1633 ** Function bta_av_disc_res_as_acp
1634 **
1635 ** Description Handle the AVDTP discover results. Search through the
1636 ** results and find the first available stream, and get
1637 ** its capabilities.
1638 **
1639 ** Returns void
1640 **
1641 *******************************************************************************/
bta_av_disc_res_as_acp(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)1642 void bta_av_disc_res_as_acp (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
1643 {
1644 UINT8 num_snks = 0, i;
1645
1646 /* store number of stream endpoints returned */
1647 p_scb->num_seps = p_data->str_msg.msg.discover_cfm.num_seps;
1648
1649
1650
1651 for (i = 0; i < p_scb->num_seps; i++)
1652 {
1653 /* steam is a sink, and is audio */
1654 if ((p_scb->sep_info[i].tsep == AVDT_TSEP_SNK) &&
1655 (p_scb->sep_info[i].media_type == p_scb->media_type))
1656 {
1657 p_scb->sep_info[i].in_use = FALSE;
1658 num_snks++;
1659 }
1660 }
1661 p_scb->p_cos->disc_res(p_scb->hndl, p_scb->num_seps, num_snks, 0, p_scb->peer_addr,
1662 UUID_SERVCLASS_AUDIO_SOURCE);
1663 p_scb->num_disc_snks = num_snks;
1664 p_scb->num_disc_srcs = 0;
1665
1666 /* if we got any */
1667 if (p_scb->num_seps > 0)
1668 {
1669 /* initialize index into discovery results */
1670 p_scb->sep_info_idx = 0;
1671
1672 /* get the capabilities of the first available stream */
1673 bta_av_next_getcap(p_scb, p_data);
1674 }
1675 /* else we got discover response but with no streams; we're done */
1676 else
1677 {
1678 bta_av_ssm_execute(p_scb, BTA_AV_STR_DISC_FAIL_EVT, p_data);
1679 }
1680 }
1681
1682 /*******************************************************************************
1683 **
1684 ** Function bta_av_save_caps
1685 **
1686 ** Description report the SNK SEP capabilities to application
1687 **
1688 ** Returns void
1689 **
1690 *******************************************************************************/
bta_av_save_caps(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)1691 void bta_av_save_caps(tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
1692 {
1693 tAVDT_CFG cfg;
1694 tAVDT_SEP_INFO *p_info = &p_scb->sep_info[p_scb->sep_info_idx];
1695 UINT8 old_wait = p_scb->wait;
1696 BOOLEAN getcap_done = FALSE;
1697
1698 APPL_TRACE_DEBUG("bta_av_save_caps num_seps:%d sep_info_idx:%d wait:x%x",
1699 p_scb->num_seps, p_scb->sep_info_idx, p_scb->wait);
1700 memcpy(&cfg, p_scb->p_cap, sizeof(tAVDT_CFG));
1701 /* let application know the capability of the SNK */
1702 p_scb->p_cos->getcfg(p_scb->hndl, cfg.codec_info[BTA_AV_CODEC_TYPE_IDX],
1703 cfg.codec_info, &p_scb->sep_info_idx, p_info->seid,
1704 &cfg.num_protect, cfg.protect_info);
1705
1706 p_scb->sep_info_idx++;
1707 if(p_scb->num_seps > p_scb->sep_info_idx)
1708 {
1709 /* Some devices have seps at the end of the discover list, which is not */
1710 /* matching media type(video not audio). */
1711 /* In this case, we are done with getcap without sending another */
1712 /* request to AVDT. */
1713 if (!bta_av_next_getcap(p_scb, p_data))
1714 getcap_done = TRUE;
1715 }
1716 else
1717 getcap_done = TRUE;
1718
1719 if (getcap_done)
1720 {
1721 /* we are done getting capabilities. restore the p_cb->sep_info_idx */
1722 p_scb->sep_info_idx = 0;
1723 p_scb->wait &= ~(BTA_AV_WAIT_ACP_CAPS_ON|BTA_AV_WAIT_ACP_CAPS_STARTED);
1724 if (old_wait & BTA_AV_WAIT_ACP_CAPS_STARTED)
1725 {
1726 bta_av_start_ok (p_scb, NULL);
1727 }
1728 }
1729 }
1730
1731 /*******************************************************************************
1732 **
1733 ** Function bta_av_set_use_rc
1734 **
1735 ** Description set to use AVRC for this stream control block.
1736 **
1737 ** Returns void
1738 **
1739 *******************************************************************************/
bta_av_set_use_rc(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)1740 void bta_av_set_use_rc (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
1741 {
1742 UNUSED(p_data);
1743
1744 p_scb->use_rc = TRUE;
1745 }
1746
1747 /*******************************************************************************
1748 **
1749 ** Function bta_av_cco_close
1750 **
1751 ** Description call close call-out function.
1752 **
1753 ** Returns void
1754 **
1755 *******************************************************************************/
bta_av_cco_close(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)1756 void bta_av_cco_close (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
1757 {
1758 UINT16 mtu;
1759 UNUSED(p_data);
1760
1761 mtu = bta_av_chk_mtu(p_scb, BTA_AV_MAX_A2DP_MTU);
1762
1763 p_scb->p_cos->close(p_scb->hndl, p_scb->codec_type, mtu);
1764 }
1765
1766 /*******************************************************************************
1767 **
1768 ** Function bta_av_open_failed
1769 **
1770 ** Description Failed to open an AVDT stream
1771 **
1772 ** Returns void
1773 **
1774 *******************************************************************************/
bta_av_open_failed(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)1775 void bta_av_open_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
1776 {
1777
1778 BOOLEAN is_av_opened = FALSE;
1779 tBTA_AV_SCB * p_opened_scb = NULL;
1780 UINT8 idx;
1781 tBTA_AV_OPEN open;
1782
1783 APPL_TRACE_DEBUG("bta_av_open_failed");
1784 p_scb->open_status = BTA_AV_FAIL_STREAM;
1785 bta_av_cco_close(p_scb, p_data);
1786
1787 /* check whether there is already an opened audio or video connection with the same device */
1788 for (idx = 0; (idx < BTA_AV_NUM_STRS) && (is_av_opened == FALSE); idx++ )
1789 {
1790 p_opened_scb = bta_av_cb.p_scb[idx];
1791 if (p_opened_scb && (p_opened_scb->state == BTA_AV_OPEN_SST) && (!bdcmp(p_opened_scb->peer_addr,p_scb->peer_addr )) )
1792 is_av_opened = TRUE;
1793
1794 }
1795
1796 /* if there is already an active AV connnection with the same bd_addr,
1797 don't send disconnect req, just report the open event with BTA_AV_FAIL_GET_CAP status */
1798 if (is_av_opened == TRUE)
1799 {
1800 bdcpy(open.bd_addr, p_scb->peer_addr);
1801 open.chnl = p_scb->chnl;
1802 open.hndl = p_scb->hndl;
1803 open.status = BTA_AV_FAIL_GET_CAP;
1804 open.starting = bta_av_chk_start(p_scb);
1805 open.edr = 0;
1806 /* set the state back to initial state */
1807 bta_av_set_scb_sst_init(p_scb);
1808
1809 if (p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SRC )
1810 open.sep = AVDT_TSEP_SNK;
1811 else if (p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SNK )
1812 open.sep = AVDT_TSEP_SRC;
1813
1814 (*bta_av_cb.p_cback)(BTA_AV_OPEN_EVT, (tBTA_AV *) &open);
1815
1816 }
1817 else
1818 {
1819 AVDT_DisconnectReq(p_scb->peer_addr, bta_av_dt_cback[p_scb->hdi]);
1820 }
1821 }
1822
1823
1824 /*******************************************************************************
1825 **
1826 ** Function bta_av_getcap_results
1827 **
1828 ** Description Handle the AVDTP get capabilities results. Check the codec
1829 ** type and see if it matches ours. If it does not, get the
1830 ** capabilities of the next stream, if any.
1831 **
1832 ** Returns void
1833 **
1834 *******************************************************************************/
bta_av_getcap_results(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)1835 void bta_av_getcap_results (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
1836 {
1837 tAVDT_CFG cfg;
1838 UINT8 media_type;
1839 tAVDT_SEP_INFO *p_info = &p_scb->sep_info[p_scb->sep_info_idx];
1840 UINT16 uuid_int; /* UUID for which connection was initiatied */
1841
1842 memcpy(&cfg, &p_scb->cfg, sizeof(tAVDT_CFG));
1843 cfg.num_codec = 1;
1844 cfg.num_protect = p_scb->p_cap->num_protect;
1845 memcpy(cfg.codec_info, p_scb->p_cap->codec_info, AVDT_CODEC_SIZE);
1846 memcpy(cfg.protect_info, p_scb->p_cap->protect_info, AVDT_PROTECT_SIZE);
1847 media_type = p_scb->p_cap->codec_info[BTA_AV_MEDIA_TYPE_IDX] >> 4;
1848
1849 APPL_TRACE_DEBUG("num_codec %d", p_scb->p_cap->num_codec);
1850 APPL_TRACE_DEBUG("media type x%x, x%x", media_type, p_scb->media_type);
1851 #if AVDT_MULTIPLEXING == TRUE
1852 APPL_TRACE_DEBUG("mux x%x, x%x", cfg.mux_mask, p_scb->p_cap->mux_mask);
1853 #endif
1854
1855 /* if codec present and we get a codec configuration */
1856 if ((p_scb->p_cap->num_codec != 0) &&
1857 (media_type == p_scb->media_type) &&
1858 (p_scb->p_cos->getcfg(p_scb->hndl, p_scb->p_cap->codec_info[BTA_AV_CODEC_TYPE_IDX],
1859 cfg.codec_info, &p_scb->sep_info_idx, p_info->seid,
1860 &cfg.num_protect, cfg.protect_info) == 0))
1861 {
1862 #if AVDT_MULTIPLEXING == TRUE
1863 cfg.mux_mask &= p_scb->p_cap->mux_mask;
1864 APPL_TRACE_DEBUG("mux_mask used x%x", cfg.mux_mask);
1865 #endif
1866 /* save copy of codec type and configuration */
1867 p_scb->codec_type = cfg.codec_info[BTA_AV_CODEC_TYPE_IDX];
1868 memcpy(&p_scb->cfg, &cfg, sizeof(tAVDT_CFG));
1869
1870 uuid_int = p_scb->uuid_int;
1871 APPL_TRACE_DEBUG(" initiator UUID = 0x%x ", uuid_int);
1872 if (uuid_int == UUID_SERVCLASS_AUDIO_SOURCE)
1873 bta_av_adjust_seps_idx(p_scb, bta_av_get_scb_handle(p_scb, AVDT_TSEP_SRC));
1874 else if (uuid_int == UUID_SERVCLASS_AUDIO_SINK)
1875 bta_av_adjust_seps_idx(p_scb, bta_av_get_scb_handle(p_scb, AVDT_TSEP_SNK));
1876
1877 /* use only the services peer supports */
1878 cfg.psc_mask &= p_scb->p_cap->psc_mask;
1879 p_scb->cur_psc_mask = cfg.psc_mask;
1880
1881 if ((uuid_int == UUID_SERVCLASS_AUDIO_SINK) &&
1882 (p_scb->seps[p_scb->sep_idx].p_app_data_cback != NULL))
1883 {
1884 APPL_TRACE_DEBUG(" Configure Deoder for Sink Connection ");
1885 p_scb->seps[p_scb->sep_idx].p_app_data_cback(BTA_AV_MEDIA_SINK_CFG_EVT,
1886 (tBTA_AV_MEDIA*)p_scb->cfg.codec_info);
1887 }
1888
1889 /* open the stream */
1890 AVDT_OpenReq(p_scb->seps[p_scb->sep_idx].av_handle, p_scb->peer_addr,
1891 p_scb->sep_info[p_scb->sep_info_idx].seid, &cfg);
1892
1893 if (!bta_av_is_rcfg_sst(p_scb))
1894 {
1895 /* free capabilities buffer */
1896 utl_freebuf((void **) &p_scb->p_cap);
1897 }
1898 }
1899 else
1900 {
1901 /* try the next stream, if any */
1902 p_scb->sep_info_idx++;
1903 bta_av_next_getcap(p_scb, p_data);
1904 }
1905
1906 }
1907
1908 /*******************************************************************************
1909 **
1910 ** Function bta_av_setconfig_rej
1911 **
1912 ** Description Send AVDTP set config reject.
1913 **
1914 ** Returns void
1915 **
1916 *******************************************************************************/
bta_av_setconfig_rej(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)1917 void bta_av_setconfig_rej (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
1918 {
1919 tBTA_AV_REJECT reject;
1920 UINT8 avdt_handle = p_data->ci_setconfig.avdt_handle;
1921
1922 bta_av_adjust_seps_idx(p_scb, avdt_handle);
1923 APPL_TRACE_DEBUG("bta_av_setconfig_rej: sep_idx: %d",p_scb->sep_idx);
1924 AVDT_ConfigRsp(p_scb->avdt_handle, p_scb->avdt_label, AVDT_ERR_UNSUP_CFG, 0);
1925
1926 bdcpy(reject.bd_addr, p_data->str_msg.bd_addr);
1927 reject.hndl = p_scb->hndl;
1928 (*bta_av_cb.p_cback)(BTA_AV_REJECT_EVT, (tBTA_AV *) &reject);
1929 }
1930
1931 /*******************************************************************************
1932 **
1933 ** Function bta_av_discover_req
1934 **
1935 ** Description Send an AVDTP discover request to the peer.
1936 **
1937 ** Returns void
1938 **
1939 *******************************************************************************/
bta_av_discover_req(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)1940 void bta_av_discover_req (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
1941 {
1942 UNUSED(p_data);
1943
1944 /* send avdtp discover request */
1945
1946 AVDT_DiscoverReq(p_scb->peer_addr, p_scb->sep_info, BTA_AV_NUM_SEPS, bta_av_dt_cback[p_scb->hdi]);
1947 }
1948
1949 /*******************************************************************************
1950 **
1951 ** Function bta_av_conn_failed
1952 **
1953 ** Description AVDTP connection failed.
1954 **
1955 ** Returns void
1956 **
1957 *******************************************************************************/
bta_av_conn_failed(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)1958 void bta_av_conn_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
1959 {
1960 p_scb->open_status = BTA_AV_FAIL_STREAM;
1961 bta_av_str_closed(p_scb, p_data);
1962 }
1963
1964 /*******************************************************************************
1965 **
1966 ** Function bta_av_do_start
1967 **
1968 ** Description Start stream.
1969 **
1970 ** Returns void
1971 **
1972 *******************************************************************************/
bta_av_do_start(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)1973 void bta_av_do_start (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
1974 {
1975 UINT8 policy = HCI_ENABLE_SNIFF_MODE;
1976 UINT8 cur_role;
1977
1978 APPL_TRACE_DEBUG("bta_av_do_start sco_occupied:%d, role:x%x, started:%d", bta_av_cb.sco_occupied, p_scb->role, p_scb->started);
1979 if (bta_av_cb.sco_occupied)
1980 {
1981 bta_av_start_failed(p_scb, p_data);
1982 return;
1983 }
1984
1985 /* disallow role switch during streaming, only if we are the master role
1986 * i.e. allow role switch, if we are slave.
1987 * It would not hurt us, if the peer device wants us to be master */
1988 if ((BTM_GetRole (p_scb->peer_addr, &cur_role) == BTM_SUCCESS) &&
1989 (cur_role == BTM_ROLE_MASTER) )
1990 {
1991 policy |= HCI_ENABLE_MASTER_SLAVE_SWITCH;
1992 }
1993
1994 bta_sys_clear_policy(BTA_ID_AV, policy, p_scb->peer_addr);
1995
1996 if ((p_scb->started == FALSE) && ((p_scb->role & BTA_AV_ROLE_START_INT) == 0))
1997 {
1998 p_scb->role |= BTA_AV_ROLE_START_INT;
1999 bta_sys_busy(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->peer_addr);
2000
2001 AVDT_StartReq(&p_scb->avdt_handle, 1);
2002 }
2003 else if (p_scb->started)
2004 {
2005 p_scb->role |= BTA_AV_ROLE_START_INT;
2006 if ( p_scb->wait == 0 ) {
2007 if (p_scb->role & BTA_AV_ROLE_SUSPEND) {
2008 notify_start_failed(p_scb);
2009 } else {
2010 bta_av_start_ok(p_scb, NULL);
2011 }
2012 }
2013 }
2014 APPL_TRACE_DEBUG("started %d role:x%x", p_scb->started, p_scb->role);
2015 }
2016
2017 /*******************************************************************************
2018 **
2019 ** Function bta_av_str_stopped
2020 **
2021 ** Description Stream stopped.
2022 **
2023 ** Returns void
2024 **
2025 *******************************************************************************/
bta_av_str_stopped(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)2026 void bta_av_str_stopped (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
2027 {
2028 tBTA_AV_SUSPEND suspend_rsp;
2029 UINT8 start = p_scb->started;
2030 BOOLEAN sus_evt = TRUE;
2031 BT_HDR *p_buf;
2032 UINT8 policy = HCI_ENABLE_SNIFF_MODE;
2033
2034 APPL_TRACE_ERROR("bta_av_str_stopped:audio_open_cnt=%d, p_data %x",
2035 bta_av_cb.audio_open_cnt, p_data);
2036
2037 bta_sys_idle(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->peer_addr);
2038 if ((bta_av_cb.features & BTA_AV_FEAT_MASTER) == 0 || bta_av_cb.audio_open_cnt == 1)
2039 policy |= HCI_ENABLE_MASTER_SLAVE_SWITCH;
2040 bta_sys_set_policy(BTA_ID_AV, policy, p_scb->peer_addr);
2041
2042 if(p_scb->co_started)
2043 {
2044 bta_av_stream_chg(p_scb, FALSE);
2045 p_scb->co_started = FALSE;
2046
2047 p_scb->p_cos->stop(p_scb->hndl, p_scb->codec_type);
2048 L2CA_SetFlushTimeout(p_scb->peer_addr, L2CAP_DEFAULT_FLUSH_TO);
2049 }
2050
2051 /* if q_info.a2d is not empty, drop it now */
2052 if(BTA_AV_CHNL_AUDIO == p_scb->chnl)
2053 {
2054 while((p_buf = (BT_HDR*)GKI_dequeue (&p_scb->q_info.a2d)) != NULL)
2055 GKI_freebuf(p_buf);
2056
2057 /* drop the audio buffers queued in L2CAP */
2058 if(p_data && p_data->api_stop.flush)
2059 L2CA_FlushChannel (p_scb->l2c_cid, L2CAP_FLUSH_CHANS_ALL);
2060 }
2061
2062 suspend_rsp.chnl = p_scb->chnl;
2063 suspend_rsp.hndl = p_scb->hndl;
2064
2065 if (p_data && p_data->api_stop.suspend)
2066 {
2067 APPL_TRACE_DEBUG("suspending: %d, sup:%d", start, p_scb->suspend_sup);
2068 if ((start) && (p_scb->suspend_sup))
2069 {
2070 sus_evt = FALSE;
2071 p_scb->l2c_bufs = 0;
2072 AVDT_SuspendReq(&p_scb->avdt_handle, 1);
2073 }
2074
2075 /* send SUSPEND_EVT event only if not in reconfiguring state and sus_evt is TRUE*/
2076 if ((sus_evt)&&(p_scb->state != BTA_AV_RCFG_SST))
2077 {
2078 suspend_rsp.status = BTA_AV_SUCCESS;
2079 suspend_rsp.initiator = TRUE;
2080 (*bta_av_cb.p_cback)(BTA_AV_SUSPEND_EVT, (tBTA_AV *) &suspend_rsp);
2081 }
2082 }
2083 else
2084 {
2085 suspend_rsp.status = BTA_AV_SUCCESS;
2086 suspend_rsp.initiator = TRUE;
2087 APPL_TRACE_EVENT("bta_av_str_stopped status %d", suspend_rsp.status);
2088
2089 /* send STOP_EVT event only if not in reconfiguring state */
2090 if (p_scb->state != BTA_AV_RCFG_SST)
2091 {
2092 (*bta_av_cb.p_cback)(BTA_AV_STOP_EVT, (tBTA_AV *) &suspend_rsp);
2093 }
2094 }
2095 }
2096
2097 /*******************************************************************************
2098 **
2099 ** Function bta_av_reconfig
2100 **
2101 ** Description process the reconfigure request.
2102 ** save the parameter in control block and
2103 ** suspend, reconfigure or close the stream
2104 **
2105 ** Returns void
2106 **
2107 *******************************************************************************/
bta_av_reconfig(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)2108 void bta_av_reconfig (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
2109 {
2110 tAVDT_CFG *p_cfg;
2111 tBTA_AV_API_STOP stop;
2112 tBTA_AV_RECONFIG evt;
2113 tBTA_AV_API_RCFG *p_rcfg = &p_data->api_reconfig;
2114
2115 APPL_TRACE_DEBUG("bta_av_reconfig r:%d, s:%d idx: %d (o:%d)",
2116 p_scb->recfg_sup, p_scb->suspend_sup,
2117 p_scb->rcfg_idx, p_scb->sep_info_idx);
2118
2119 p_scb->num_recfg = 0;
2120 /* store the new configuration in control block */
2121 if (p_scb->p_cap == NULL)
2122 {
2123 p_scb->p_cap = (tAVDT_CFG *) GKI_getbuf(sizeof(tAVDT_CFG));
2124 }
2125 if((p_cfg = p_scb->p_cap) == NULL)
2126 {
2127 /* report failure */
2128 evt.status = BTA_AV_FAIL_RESOURCES;
2129 evt.chnl = p_scb->chnl;
2130 evt.hndl = p_scb->hndl;
2131 (*bta_av_cb.p_cback)(BTA_AV_RECONFIG_EVT, (tBTA_AV *)&evt);
2132
2133 /* this event is not possible in this state.
2134 * use it to bring the SSM back to open state */
2135 bta_av_ssm_execute(p_scb, BTA_AV_SDP_DISC_OK_EVT, NULL);
2136 return;
2137 }
2138
2139 /*if(bta_av_cb.features & BTA_AV_FEAT_RCCT)*/
2140 bta_sys_stop_timer(&p_scb->timer);
2141
2142 memcpy(p_cfg, &p_scb->cfg, sizeof(tAVDT_CFG));
2143 p_cfg->num_protect = p_rcfg->num_protect;
2144 memcpy(p_cfg->codec_info, p_rcfg->codec_info, AVDT_CODEC_SIZE);
2145 memcpy(p_cfg->protect_info, p_rcfg->p_protect_info, p_rcfg->num_protect);
2146 p_scb->rcfg_idx = p_rcfg->sep_info_idx;
2147 p_scb->p_cap->psc_mask = p_scb->cur_psc_mask;
2148
2149 /* if the requested index differs from the current one, we can only close/open */
2150 if ((p_scb->rcfg_idx == p_scb->sep_info_idx) &&
2151 (p_rcfg->suspend)&& (p_scb->recfg_sup) && (p_scb->suspend_sup))
2152 {
2153 if(p_scb->started)
2154 {
2155 stop.flush = FALSE;
2156 stop.suspend = TRUE;
2157 bta_av_str_stopped(p_scb, (tBTA_AV_DATA *)&stop);
2158 }
2159 else
2160 {
2161 APPL_TRACE_DEBUG("Reconfig");
2162 AVDT_ReconfigReq(p_scb->avdt_handle, p_scb->p_cap);
2163 p_scb->p_cap->psc_mask = p_scb->cur_psc_mask;
2164 }
2165 }
2166 else
2167 {
2168 /* close the stream */
2169 APPL_TRACE_DEBUG("close/open num_protect: %d", p_cfg->num_protect);
2170 if(p_scb->started)
2171 bta_av_str_stopped(p_scb, NULL);
2172 p_scb->started = FALSE;
2173
2174 /* drop the buffers queued in L2CAP */
2175 L2CA_FlushChannel (p_scb->l2c_cid, L2CAP_FLUSH_CHANS_ALL);
2176
2177 AVDT_CloseReq(p_scb->avdt_handle);
2178
2179 }
2180 }
2181
2182 /*******************************************************************************
2183 **
2184 ** Function bta_av_data_path
2185 **
2186 ** Description Handle stream data path.
2187 **
2188 ** Returns void
2189 **
2190 *******************************************************************************/
bta_av_data_path(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)2191 void bta_av_data_path (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
2192 {
2193 BT_HDR *p_buf;
2194 UINT32 data_len;
2195 UINT32 timestamp;
2196 BOOLEAN new_buf = FALSE;
2197 UINT8 m_pt = 0x60 | p_scb->codec_type;
2198 tAVDT_DATA_OPT_MASK opt;
2199 UNUSED(p_data);
2200
2201 if (!p_scb->cong)
2202 {
2203 /*
2204 APPL_TRACE_ERROR("q: %d", p_scb->l2c_bufs);
2205 */
2206 //Always get the current number of bufs que'd up
2207 p_scb->l2c_bufs = (UINT8)L2CA_FlushChannel (p_scb->l2c_cid, L2CAP_FLUSH_CHANS_GET);
2208
2209 p_buf = (BT_HDR *)GKI_dequeue (&p_scb->q_info.a2d);
2210 if(p_buf)
2211 {
2212 /* use q_info.a2d data, read the timestamp */
2213 timestamp = *(UINT32 *)(p_buf + 1);
2214 }
2215 else
2216 {
2217 new_buf = TRUE;
2218 /* q_info.a2d empty, call co_data, dup data to other channels */
2219 p_buf = (BT_HDR *)p_scb->p_cos->data(p_scb->codec_type, &data_len,
2220 ×tamp);
2221
2222 if (p_buf)
2223 {
2224 /* use the offset area for the time stamp */
2225 *(UINT32 *)(p_buf + 1) = timestamp;
2226
2227 /* dup the data to other channels */
2228 bta_av_dup_audio_buf(p_scb, p_buf);
2229 }
2230 }
2231
2232 if(p_buf)
2233 {
2234 if(p_scb->l2c_bufs < (BTA_AV_QUEUE_DATA_CHK_NUM))
2235 {
2236 /* there's a buffer, just queue it to L2CAP */
2237 /* There's no need to increment it here, it is always read from L2CAP see above */
2238 /* p_scb->l2c_bufs++; */
2239 /*
2240 APPL_TRACE_ERROR("qw: %d", p_scb->l2c_bufs);
2241 */
2242
2243 /* opt is a bit mask, it could have several options set */
2244 opt = AVDT_DATA_OPT_NONE;
2245 if (p_scb->no_rtp_hdr)
2246 {
2247 opt |= AVDT_DATA_OPT_NO_RTP;
2248 }
2249
2250 AVDT_WriteReqOpt(p_scb->avdt_handle, p_buf, timestamp, m_pt, opt);
2251 p_scb->cong = TRUE;
2252 }
2253 else
2254 {
2255 /* there's a buffer, but L2CAP does not seem to be moving data */
2256 if(new_buf)
2257 {
2258 /* just got this buffer from co_data,
2259 * put it in queue */
2260 GKI_enqueue(&p_scb->q_info.a2d, p_buf);
2261 }
2262 else
2263 {
2264 /* just dequeue it from the q_info.a2d */
2265 if(p_scb->q_info.a2d.count < 3)
2266 {
2267 /* put it back to the queue */
2268 GKI_enqueue_head (&p_scb->q_info.a2d, p_buf);
2269 }
2270 else
2271 {
2272 /* too many buffers in q_info.a2d, drop it. */
2273 bta_av_co_audio_drop(p_scb->hndl);
2274 GKI_freebuf(p_buf);
2275 }
2276 }
2277 }
2278 }
2279 }
2280 }
2281
2282 /*******************************************************************************
2283 **
2284 ** Function bta_av_start_ok
2285 **
2286 ** Description Stream started.
2287 **
2288 ** Returns void
2289 **
2290 *******************************************************************************/
bta_av_start_ok(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)2291 void bta_av_start_ok (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
2292 {
2293 tBTA_AV_START start;
2294 tBTA_AV_API_STOP stop;
2295 BOOLEAN initiator = FALSE;
2296 BOOLEAN suspend = FALSE;
2297 UINT16 flush_to;
2298 UINT8 new_role = p_scb->role;
2299 BT_HDR hdr;
2300 UINT8 policy = HCI_ENABLE_SNIFF_MODE;
2301 UINT8 cur_role;
2302
2303 APPL_TRACE_DEBUG("bta_av_start_ok wait:x%x, role:x%x", p_scb->wait, p_scb->role);
2304
2305 p_scb->started = TRUE;
2306 if (p_scb->sco_suspend)
2307 {
2308 p_scb->sco_suspend = FALSE;
2309 }
2310
2311 if (new_role & BTA_AV_ROLE_START_INT)
2312 initiator = TRUE;
2313
2314 /* for A2DP SINK we do not send get_caps */
2315 if ((p_scb->avdt_handle == p_scb->seps[p_scb->sep_idx].av_handle)
2316 &&(p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SNK))
2317 {
2318 p_scb->wait &= ~(BTA_AV_WAIT_ACP_CAPS_ON);
2319 APPL_TRACE_DEBUG(" Local SEP type is SNK new wait is 0x%x",p_scb->wait);
2320 }
2321 if (p_scb->wait & BTA_AV_WAIT_ROLE_SW_FAILED)
2322 {
2323 /* role switch has failed */
2324 p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_FAILED;
2325 p_data = (tBTA_AV_DATA *)&hdr;
2326 hdr.offset = BTA_AV_RS_FAIL;
2327 }
2328 APPL_TRACE_DEBUG("wait:x%x", p_scb->wait);
2329
2330 if (p_data && (p_data->hdr.offset != BTA_AV_RS_NONE))
2331 {
2332 p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_BITS;
2333 if (p_data->hdr.offset == BTA_AV_RS_FAIL)
2334 {
2335 bta_sys_idle(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->peer_addr);
2336 start.chnl = p_scb->chnl;
2337 start.status = BTA_AV_FAIL_ROLE;
2338 start.hndl = p_scb->hndl;
2339 start.initiator = initiator;
2340 (*bta_av_cb.p_cback)(BTA_AV_START_EVT, (tBTA_AV *) &start);
2341 return;
2342 }
2343 }
2344
2345 if (!bta_av_link_role_ok(p_scb, A2D_SET_ONE_BIT))
2346 p_scb->q_tag = BTA_AV_Q_TAG_START;
2347 else
2348 {
2349 /* The wait flag may be set here while we are already master on the link */
2350 /* this could happen if a role switch complete event occurred during reconfig */
2351 /* if we are now master on the link, there is no need to wait for the role switch, */
2352 /* complete anymore so we can clear the wait for role switch flag */
2353 p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_BITS;
2354 }
2355
2356 if (p_scb->wait & (BTA_AV_WAIT_ROLE_SW_RES_OPEN|BTA_AV_WAIT_ROLE_SW_RES_START))
2357 {
2358 p_scb->wait |= BTA_AV_WAIT_ROLE_SW_STARTED;
2359 p_scb->q_tag = BTA_AV_Q_TAG_START;
2360 }
2361
2362 if (p_scb->wait)
2363 {
2364 APPL_TRACE_ERROR("wait:x%x q_tag:%d- not started", p_scb->wait, p_scb->q_tag);
2365 /* Clear first bit of p_scb->wait and not to return from this point else
2366 * HAL layer gets blocked. And if there is delay in Get Capability response as
2367 * first bit of p_scb->wait is cleared hence it ensures bt_av_start_ok is not called
2368 * again from bta_av_save_caps.
2369 */
2370 p_scb->wait &= ~BTA_AV_WAIT_ACP_CAPS_ON;
2371 }
2372
2373 /* tell role manager to check M/S role */
2374 bta_sys_conn_open(BTA_ID_AV, p_scb->app_id, p_scb->peer_addr);
2375
2376 bta_sys_busy(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->peer_addr);
2377
2378 if(p_scb->media_type == AVDT_MEDIA_AUDIO)
2379 {
2380 /* in normal logic, conns should be bta_av_cb.audio_count - 1,
2381 * However, bta_av_stream_chg is not called to increase bta_av_cb.audio_count yet.
2382 * If the code were to be re-arranged for some reasons, this number may need to be changed
2383 */
2384 p_scb->co_started = bta_av_cb.audio_open_cnt;
2385 flush_to = p_bta_av_cfg->p_audio_flush_to[p_scb->co_started - 1];
2386 }
2387 else
2388 {
2389 flush_to = p_bta_av_cfg->video_flush_to;
2390 }
2391 L2CA_SetFlushTimeout(p_scb->peer_addr, flush_to );
2392
2393 /* clear the congestion flag */
2394 p_scb->cong = FALSE;
2395
2396 if (new_role & BTA_AV_ROLE_START_INT)
2397 {
2398 new_role &= ~BTA_AV_ROLE_START_INT;
2399 }
2400 else if ((new_role & BTA_AV_ROLE_AD_ACP) && (new_role & BTA_AV_ROLE_SUSPEND_OPT))
2401 {
2402 suspend = TRUE;
2403 }
2404
2405 if (!suspend)
2406 {
2407 p_scb->q_tag = BTA_AV_Q_TAG_STREAM;
2408 bta_av_stream_chg(p_scb, TRUE);
2409 }
2410
2411 {
2412 /* If sink starts stream, disable sniff mode here */
2413 if (!initiator)
2414 {
2415 /* If souce is the master role, disable role switch during streaming.
2416 * Otherwise allow role switch, if source is slave.
2417 * Because it would not hurt source, if the peer device wants source to be master */
2418 if ((BTM_GetRole (p_scb->peer_addr, &cur_role) == BTM_SUCCESS) &&
2419 (cur_role == BTM_ROLE_MASTER) )
2420 {
2421 policy |= HCI_ENABLE_MASTER_SLAVE_SWITCH;
2422 }
2423
2424 bta_sys_clear_policy(BTA_ID_AV, policy, p_scb->peer_addr);
2425 }
2426
2427 p_scb->role = new_role;
2428 p_scb->role &= ~BTA_AV_ROLE_AD_ACP;
2429 p_scb->role &= ~BTA_AV_ROLE_SUSPEND_OPT;
2430
2431 p_scb->no_rtp_hdr = FALSE;
2432 p_scb->p_cos->start(p_scb->hndl, p_scb->codec_type, p_scb->cfg.codec_info, &p_scb->no_rtp_hdr);
2433 p_scb->co_started = TRUE;
2434
2435 APPL_TRACE_DEBUG("bta_av_start_ok suspending: %d, role:x%x, init %d",
2436 suspend, p_scb->role, initiator);
2437
2438 start.suspending = suspend;
2439 start.initiator = initiator;
2440 start.chnl = p_scb->chnl;
2441 start.status = BTA_AV_SUCCESS;
2442 start.hndl = p_scb->hndl;
2443 (*bta_av_cb.p_cback)(BTA_AV_START_EVT, (tBTA_AV *) &start);
2444
2445 if(suspend)
2446 {
2447 p_scb->role |= BTA_AV_ROLE_SUSPEND;
2448 p_scb->cong = TRUE; /* do not allow the media data to go through */
2449 /* do not duplicate the media packets to this channel */
2450 p_scb->p_cos->stop(p_scb->hndl, p_scb->codec_type);
2451 p_scb->co_started = FALSE;
2452 stop.flush = FALSE;
2453 stop.suspend = TRUE;
2454 bta_av_ssm_execute(p_scb, BTA_AV_AP_STOP_EVT, (tBTA_AV_DATA *)&stop);
2455 }
2456 }
2457 }
2458
2459 /*******************************************************************************
2460 **
2461 ** Function bta_av_start_failed
2462 **
2463 ** Description Stream start failed.
2464 **
2465 ** Returns void
2466 **
2467 *******************************************************************************/
bta_av_start_failed(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)2468 void bta_av_start_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
2469 {
2470 UNUSED(p_data);
2471
2472 if(p_scb->started == FALSE && p_scb->co_started == FALSE)
2473 {
2474 bta_sys_idle(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->peer_addr);
2475 notify_start_failed(p_scb);
2476 }
2477
2478 bta_sys_set_policy(BTA_ID_AV, (HCI_ENABLE_SNIFF_MODE|HCI_ENABLE_MASTER_SLAVE_SWITCH), p_scb->peer_addr);
2479 p_scb->sco_suspend = FALSE;
2480 }
2481
2482 /*******************************************************************************
2483 **
2484 ** Function bta_av_str_closed
2485 **
2486 ** Description Stream closed.
2487 **
2488 ** Returns void
2489 **
2490 *******************************************************************************/
bta_av_str_closed(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)2491 void bta_av_str_closed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
2492 {
2493 tBTA_AV data;
2494 tBTA_AV_EVT event;
2495 UINT16 mtu;
2496 UINT8 policy = HCI_ENABLE_SNIFF_MODE;
2497
2498 if ((bta_av_cb.features & BTA_AV_FEAT_MASTER) == 0 || bta_av_cb.audio_open_cnt == 1)
2499 policy |= HCI_ENABLE_MASTER_SLAVE_SWITCH;
2500 bta_sys_set_policy(BTA_ID_AV, policy, p_scb->peer_addr);
2501 if (bta_av_cb.audio_open_cnt <= 1)
2502 {
2503 /* last connection - restore the allow switch flag */
2504 L2CA_SetDesireRole(L2CAP_ROLE_ALLOW_SWITCH);
2505 }
2506
2507 if (p_scb->open_status)
2508 {
2509 /* must be failure when opening the stream */
2510 bdcpy(data.open.bd_addr, p_scb->peer_addr);
2511 data.open.status = p_scb->open_status;
2512 data.open.chnl = p_scb->chnl;
2513 data.open.hndl = p_scb->hndl;
2514
2515 if (p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SRC )
2516 data.open.sep = AVDT_TSEP_SNK;
2517 else if (p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SNK )
2518 data.open.sep = AVDT_TSEP_SRC;
2519
2520 event = BTA_AV_OPEN_EVT;
2521 p_scb->open_status = BTA_AV_SUCCESS;
2522
2523 bta_sys_conn_close(BTA_ID_AV, p_scb->app_id, p_scb->peer_addr);
2524 bta_av_cleanup(p_scb, p_data);
2525 (*bta_av_cb.p_cback)(event, &data);
2526 }
2527 else
2528 {
2529 /* do stop if we were started */
2530 if (p_scb->co_started)
2531 {
2532 bta_av_str_stopped(p_scb, NULL);
2533 }
2534
2535 /* Update common mtu shared by remaining connectons */
2536 mtu = bta_av_chk_mtu(p_scb, BTA_AV_MAX_A2DP_MTU);
2537
2538 {
2539 p_scb->p_cos->close(p_scb->hndl, p_scb->codec_type, mtu);
2540 data.close.chnl = p_scb->chnl;
2541 data.close.hndl = p_scb->hndl;
2542 event = BTA_AV_CLOSE_EVT;
2543
2544 bta_sys_conn_close(BTA_ID_AV, p_scb->app_id, p_scb->peer_addr);
2545 bta_av_cleanup(p_scb, p_data);
2546 (*bta_av_cb.p_cback)(event, &data);
2547 }
2548 }
2549 }
2550
2551 /*******************************************************************************
2552 **
2553 ** Function bta_av_clr_cong
2554 **
2555 ** Description Clear stream congestion flag.
2556 **
2557 ** Returns void
2558 **
2559 *******************************************************************************/
bta_av_clr_cong(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)2560 void bta_av_clr_cong (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
2561 {
2562 UNUSED(p_data);
2563
2564 if(p_scb->co_started)
2565 p_scb->cong = FALSE;
2566 }
2567
2568 /*******************************************************************************
2569 **
2570 ** Function bta_av_suspend_cfm
2571 **
2572 ** Description process the suspend response
2573 **
2574 ** Returns void
2575 **
2576 *******************************************************************************/
bta_av_suspend_cfm(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)2577 void bta_av_suspend_cfm (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
2578 {
2579 tBTA_AV_SUSPEND suspend_rsp;
2580 UINT8 err_code = p_data->str_msg.msg.hdr.err_code;
2581 UINT8 policy = HCI_ENABLE_SNIFF_MODE;
2582
2583 APPL_TRACE_DEBUG ("bta_av_suspend_cfm:audio_open_cnt = %d, err_code = %d",
2584 bta_av_cb.audio_open_cnt, err_code);
2585
2586 if (p_scb->started == FALSE)
2587 {
2588 /* handle the condition where there is a collision of SUSPEND req from either side
2589 ** Second SUSPEND req could be rejected. Do not treat this as a failure
2590 */
2591 APPL_TRACE_WARNING("bta_av_suspend_cfm: already suspended, ignore, err_code %d",
2592 err_code);
2593 return;
2594 }
2595
2596 suspend_rsp.status = BTA_AV_SUCCESS;
2597 if (err_code && (err_code != AVDT_ERR_BAD_STATE))
2598 {
2599 /* Disable suspend feature only with explicit rejection(not with timeout) */
2600 if (err_code != AVDT_ERR_TIMEOUT)
2601 {
2602 p_scb->suspend_sup = FALSE;
2603 }
2604 suspend_rsp.status = BTA_AV_FAIL;
2605
2606 APPL_TRACE_ERROR ("bta_av_suspend_cfm: suspend failed, closing connection");
2607
2608 /* SUSPEND failed. Close connection. */
2609 bta_av_ssm_execute(p_scb, BTA_AV_API_CLOSE_EVT, NULL);
2610 }
2611 else
2612 {
2613 /* only set started to FALSE when suspend is successful */
2614 p_scb->started = FALSE;
2615 }
2616
2617 if (p_scb->role & BTA_AV_ROLE_SUSPEND)
2618 {
2619 p_scb->role &= ~BTA_AV_ROLE_SUSPEND;
2620 p_scb->cong = FALSE;
2621 }
2622
2623 bta_sys_idle(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->peer_addr);
2624 if ((bta_av_cb.features & BTA_AV_FEAT_MASTER) == 0 || bta_av_cb.audio_open_cnt == 1)
2625 policy |= HCI_ENABLE_MASTER_SLAVE_SWITCH;
2626 bta_sys_set_policy(BTA_ID_AV, policy, p_scb->peer_addr);
2627
2628 /* in case that we received suspend_ind, we may need to call co_stop here */
2629 if(p_scb->co_started)
2630 {
2631 bta_av_stream_chg(p_scb, FALSE);
2632
2633 {
2634 p_scb->co_started = FALSE;
2635 p_scb->p_cos->stop(p_scb->hndl, p_scb->codec_type);
2636 }
2637 L2CA_SetFlushTimeout(p_scb->peer_addr, L2CAP_DEFAULT_FLUSH_TO);
2638 }
2639
2640 {
2641 suspend_rsp.chnl = p_scb->chnl;
2642 suspend_rsp.hndl = p_scb->hndl;
2643 suspend_rsp.initiator = p_data->str_msg.initiator;
2644 (*bta_av_cb.p_cback)(BTA_AV_SUSPEND_EVT, (tBTA_AV *) &suspend_rsp);
2645 }
2646 }
2647
2648 /*******************************************************************************
2649 **
2650 ** Function bta_av_rcfg_str_ok
2651 **
2652 ** Description report reconfigure successful
2653 **
2654 ** Returns void
2655 **
2656 *******************************************************************************/
bta_av_rcfg_str_ok(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)2657 void bta_av_rcfg_str_ok (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
2658 {
2659 tBTA_AV_RECONFIG evt;
2660 UNUSED(p_data);
2661
2662 p_scb->l2c_cid = AVDT_GetL2CapChannel(p_scb->avdt_handle);
2663 APPL_TRACE_DEBUG("bta_av_rcfg_str_ok: l2c_cid: %d", p_scb->l2c_cid);
2664
2665 /* rc listen */
2666 bta_av_st_rc_timer(p_scb, NULL);
2667 utl_freebuf((void **)&p_scb->p_cap);
2668
2669 /* No need to keep the role bits once reconfig is done. */
2670 p_scb->role &= ~BTA_AV_ROLE_AD_ACP;
2671 p_scb->role &= ~BTA_AV_ROLE_SUSPEND_OPT;
2672 p_scb->role &= ~BTA_AV_ROLE_START_INT;
2673
2674 {
2675 /* reconfigure success */
2676 evt.status = BTA_AV_SUCCESS;
2677 evt.chnl = p_scb->chnl;
2678 evt.hndl = p_scb->hndl;
2679 (*bta_av_cb.p_cback)(BTA_AV_RECONFIG_EVT, (tBTA_AV *)&evt);
2680 }
2681 }
2682
2683 /*******************************************************************************
2684 **
2685 ** Function bta_av_rcfg_failed
2686 **
2687 ** Description process reconfigure failed
2688 **
2689 ** Returns void
2690 **
2691 *******************************************************************************/
bta_av_rcfg_failed(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)2692 void bta_av_rcfg_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
2693 {
2694 tBTA_AV_RECONFIG evt;
2695
2696 APPL_TRACE_DEBUG("bta_av_rcfg_failed num_recfg: %d, conn_lcb:0x%x",
2697 p_scb->num_recfg, bta_av_cb.conn_lcb);
2698 if(p_scb->num_recfg > BTA_AV_RECONFIG_RETRY)
2699 {
2700 bta_av_cco_close(p_scb, p_data);
2701 /* report failure */
2702 evt.status = BTA_AV_FAIL_STREAM;
2703 evt.chnl = p_scb->chnl;
2704 evt.hndl = p_scb->hndl;
2705 (*bta_av_cb.p_cback)(BTA_AV_RECONFIG_EVT, (tBTA_AV *)&evt);
2706 /* go to closing state */
2707 bta_av_ssm_execute(p_scb, BTA_AV_API_CLOSE_EVT, NULL);
2708 }
2709 else
2710 {
2711 /* open failed. try again */
2712 p_scb->num_recfg++;
2713 if(bta_av_cb.conn_lcb)
2714 {
2715 AVDT_DisconnectReq(p_scb->peer_addr, bta_av_dt_cback[p_scb->hdi]);
2716 }
2717 else
2718 {
2719 bta_av_connect_req(p_scb, NULL);
2720 }
2721 }
2722 }
2723
2724 /*******************************************************************************
2725 **
2726 ** Function bta_av_rcfg_connect
2727 **
2728 ** Description stream closed. reconnect the stream
2729 **
2730 ** Returns void
2731 **
2732 *******************************************************************************/
bta_av_rcfg_connect(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)2733 void bta_av_rcfg_connect (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
2734 {
2735 UNUSED(p_data);
2736
2737 p_scb->cong = FALSE;
2738 p_scb->num_recfg++;
2739 APPL_TRACE_DEBUG("bta_av_rcfg_connect num_recfg: %d", p_scb->num_recfg);
2740 if(p_scb->num_recfg > BTA_AV_RECONFIG_RETRY)
2741 {
2742 /* let bta_av_rcfg_failed report fail */
2743 bta_av_rcfg_failed(p_scb, NULL);
2744 }
2745 else
2746 AVDT_ConnectReq(p_scb->peer_addr, p_scb->sec_mask, bta_av_dt_cback[p_scb->hdi]);
2747 }
2748
2749 /*******************************************************************************
2750 **
2751 ** Function bta_av_rcfg_discntd
2752 **
2753 ** Description AVDT disconnected. reconnect the stream
2754 **
2755 ** Returns void
2756 **
2757 *******************************************************************************/
bta_av_rcfg_discntd(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)2758 void bta_av_rcfg_discntd (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
2759 {
2760 tBTA_AV_RECONFIG evt;
2761 UNUSED(p_data);
2762
2763 APPL_TRACE_DEBUG("bta_av_rcfg_discntd num_recfg: %d", p_scb->num_recfg);
2764 p_scb->num_recfg++;
2765 if(p_scb->num_recfg > BTA_AV_RECONFIG_RETRY)
2766 {
2767 /* report failure */
2768 evt.status = BTA_AV_FAIL_STREAM;
2769 evt.chnl = p_scb->chnl;
2770 evt.hndl = p_scb->hndl;
2771 (*bta_av_cb.p_cback)(BTA_AV_RECONFIG_EVT, (tBTA_AV *)&evt);
2772 /* report close event & go to init state */
2773 bta_av_ssm_execute(p_scb, BTA_AV_STR_DISC_FAIL_EVT, NULL);
2774 }
2775 else
2776 AVDT_ConnectReq(p_scb->peer_addr, p_scb->sec_mask, bta_av_dt_cback[p_scb->hdi]);
2777 }
2778
2779 /*******************************************************************************
2780 **
2781 ** Function bta_av_suspend_cont
2782 **
2783 ** Description received the suspend response.
2784 ** continue to reconfigure the stream
2785 **
2786 ** Returns void
2787 **
2788 *******************************************************************************/
bta_av_suspend_cont(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)2789 void bta_av_suspend_cont (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
2790 {
2791 UINT8 err_code = p_data->str_msg.msg.hdr.err_code;
2792 tBTA_AV_RECONFIG evt;
2793
2794 p_scb->started = FALSE;
2795 p_scb->cong = FALSE;
2796 if (err_code)
2797 {
2798 if (AVDT_ERR_CONNECT == err_code)
2799 {
2800 /* report failure */
2801 evt.status = BTA_AV_FAIL;
2802 (*bta_av_cb.p_cback)(BTA_AV_RECONFIG_EVT, (tBTA_AV *)&evt);
2803 bta_av_ssm_execute(p_scb, BTA_AV_STR_DISC_FAIL_EVT, NULL);
2804 }
2805 else
2806 {
2807 APPL_TRACE_ERROR("suspend rejected, try close");
2808 /* Disable suspend feature only with explicit rejection(not with timeout) */
2809 if (err_code != AVDT_ERR_TIMEOUT)
2810 {
2811 p_scb->suspend_sup = FALSE;
2812 }
2813 /* drop the buffers queued in L2CAP */
2814 L2CA_FlushChannel (p_scb->l2c_cid, L2CAP_FLUSH_CHANS_ALL);
2815
2816 AVDT_CloseReq(p_scb->avdt_handle);
2817 }
2818 }
2819 else
2820 {
2821 APPL_TRACE_DEBUG("bta_av_suspend_cont calling AVDT_ReconfigReq");
2822 /* reconfig the stream */
2823
2824 AVDT_ReconfigReq(p_scb->avdt_handle, p_scb->p_cap);
2825 p_scb->p_cap->psc_mask = p_scb->cur_psc_mask;
2826 }
2827 }
2828
2829 /*******************************************************************************
2830 **
2831 ** Function bta_av_rcfg_cfm
2832 **
2833 ** Description if reconfigure is successful, report the event
2834 ** otherwise, close the stream.
2835 **
2836 ** Returns void
2837 **
2838 *******************************************************************************/
bta_av_rcfg_cfm(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)2839 void bta_av_rcfg_cfm (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
2840 {
2841 UINT8 err_code = p_data->str_msg.msg.hdr.err_code;
2842
2843 /*
2844 APPL_TRACE_DEBUG("bta_av_rcfg_cfm");
2845 */
2846 if (err_code)
2847 {
2848 APPL_TRACE_ERROR("reconfig rejected, try close");
2849 /* Disable reconfiguration feature only with explicit rejection(not with timeout) */
2850 if (err_code != AVDT_ERR_TIMEOUT)
2851 {
2852 p_scb->recfg_sup = FALSE;
2853 }
2854 /* started flag is FALSE when reconfigure command is sent */
2855 /* drop the buffers queued in L2CAP */
2856 L2CA_FlushChannel (p_scb->l2c_cid, L2CAP_FLUSH_CHANS_ALL);
2857 AVDT_CloseReq(p_scb->avdt_handle);
2858 }
2859 else
2860 {
2861 /* update the codec info after rcfg cfm */
2862 memcpy(p_scb->cfg.codec_info,p_data->str_msg.msg.reconfig_cfm.p_cfg->codec_info,AVDT_CODEC_SIZE);
2863 /* take the SSM back to OPEN state */
2864 bta_av_ssm_execute(p_scb, BTA_AV_STR_OPEN_OK_EVT, NULL);
2865 }
2866 }
2867
2868 /*******************************************************************************
2869 **
2870 ** Function bta_av_rcfg_open
2871 **
2872 ** Description AVDT is connected. open the stream with the new configuration
2873 **
2874 ** Returns void
2875 **
2876 *******************************************************************************/
bta_av_rcfg_open(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)2877 void bta_av_rcfg_open (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
2878 {
2879 UNUSED(p_data);
2880
2881 APPL_TRACE_DEBUG("bta_av_rcfg_open, num_disc_snks = %d", p_scb->num_disc_snks);
2882
2883 if (p_scb->num_disc_snks == 0)
2884 {
2885 /* Need to update call-out module so that it will be ready for discover */
2886 p_scb->p_cos->stop(p_scb->hndl, p_scb->codec_type);
2887
2888 /* send avdtp discover request */
2889 AVDT_DiscoverReq(p_scb->peer_addr, p_scb->sep_info, BTA_AV_NUM_SEPS, bta_av_dt_cback[p_scb->hdi]);
2890 }
2891 else
2892 {
2893 p_scb->codec_type = p_scb->p_cap->codec_info[BTA_AV_CODEC_TYPE_IDX];
2894 memcpy(p_scb->cfg.codec_info, p_scb->p_cap->codec_info, AVDT_CODEC_SIZE);
2895 /* we may choose to use a different SEP at reconfig.
2896 * adjust the sep_idx now */
2897 bta_av_adjust_seps_idx(p_scb, bta_av_get_scb_handle(p_scb, AVDT_TSEP_SRC));
2898
2899 /* open the stream with the new config */
2900 p_scb->sep_info_idx = p_scb->rcfg_idx;
2901 AVDT_OpenReq(p_scb->avdt_handle, p_scb->peer_addr,
2902 p_scb->sep_info[p_scb->sep_info_idx].seid, p_scb->p_cap);
2903 }
2904
2905 }
2906
2907 /*******************************************************************************
2908 **
2909 ** Function bta_av_security_rej
2910 **
2911 ** Description Send an AVDTP security reject.
2912 **
2913 ** Returns void
2914 **
2915 *******************************************************************************/
bta_av_security_rej(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)2916 void bta_av_security_rej (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
2917 {
2918 UNUSED(p_data);
2919
2920 AVDT_SecurityRsp(p_scb->avdt_handle, p_scb->avdt_label, AVDT_ERR_BAD_STATE,
2921 NULL, 0);
2922 }
2923
2924 /*******************************************************************************
2925 **
2926 ** Function bta_av_chk_2nd_start
2927 **
2928 ** Description check if this is 2nd stream and if it needs to be started.
2929 ** This function needs to be kept very similar to bta_av_chk_start
2930 **
2931 ** Returns void
2932 **
2933 *******************************************************************************/
bta_av_chk_2nd_start(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)2934 void bta_av_chk_2nd_start (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
2935 {
2936 tBTA_AV_SCB *p_scbi;
2937 int i;
2938 BOOLEAN new_started = FALSE;
2939 UNUSED(p_data);
2940
2941 if ((p_scb->chnl == BTA_AV_CHNL_AUDIO) && (bta_av_cb.audio_open_cnt >= 2))
2942 {
2943 /* more than one audio channel is connected */
2944 if (!(p_scb->role & BTA_AV_ROLE_SUSPEND_OPT))
2945 {
2946 /* this channel does not need to be reconfigured.
2947 * if there is other channel streaming, start the stream now */
2948 for(i=0; i<BTA_AV_NUM_STRS; i++)
2949 {
2950 p_scbi = bta_av_cb.p_scb[i];
2951 if(p_scbi && p_scbi->chnl == BTA_AV_CHNL_AUDIO && p_scbi->co_started)
2952 {
2953 if (!new_started)
2954 {
2955 /* start the new stream */
2956 new_started = TRUE;
2957 bta_av_ssm_execute(p_scb, BTA_AV_AP_START_EVT, NULL);
2958 }
2959 /* may need to update the flush timeout of this already started stream */
2960 if (p_scbi->co_started != bta_av_cb.audio_open_cnt)
2961 {
2962 p_scbi->co_started = bta_av_cb.audio_open_cnt;
2963 L2CA_SetFlushTimeout(p_scbi->peer_addr, p_bta_av_cfg->p_audio_flush_to[p_scbi->co_started - 1] );
2964 }
2965 }
2966 }
2967 }
2968 }
2969 }
2970
2971 /*******************************************************************************
2972 **
2973 ** Function bta_av_open_rc
2974 **
2975 ** Description Send a message to main SM to open RC channel.
2976 **
2977 ** Returns void
2978 **
2979 *******************************************************************************/
bta_av_open_rc(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)2980 void bta_av_open_rc (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
2981 {
2982 tBTA_AV_START start;
2983
2984 APPL_TRACE_DEBUG("bta_av_open_rc use_rc: %d, wait: x%x role:x%x", p_scb->use_rc, p_scb->wait, p_scb->role);
2985 if ((p_scb->wait & BTA_AV_WAIT_ROLE_SW_BITS) && (p_scb->q_tag == BTA_AV_Q_TAG_START))
2986 {
2987 /* waiting for role switch for some reason & the timer expires */
2988 if (!bta_av_link_role_ok(p_scb, A2D_SET_ONE_BIT))
2989 {
2990 APPL_TRACE_ERROR ("failed to start streaming for role management reasons!!");
2991 bta_sys_stop_timer(&p_scb->timer);
2992 start.chnl = p_scb->chnl;
2993 start.status = BTA_AV_FAIL_ROLE;
2994 start.initiator = TRUE;
2995 start.hndl = p_scb->hndl;
2996 p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_BITS;
2997 bta_av_cb.rs_idx = 0;
2998 (*bta_av_cb.p_cback)(BTA_AV_START_EVT, (tBTA_AV *) &start);
2999 }
3000 else
3001 {
3002 /* role switch is done. continue to start streaming */
3003 bta_av_cb.rs_idx = 0;
3004 p_data->hdr.offset = BTA_AV_RS_OK;
3005 bta_av_start_ok (p_scb, p_data);
3006 }
3007 return;
3008 }
3009
3010 if(p_scb->use_rc == TRUE || (p_scb->role & BTA_AV_ROLE_AD_ACP) )
3011 {
3012 if(bta_av_cb.disc)
3013 {
3014 /* AVRC discover db is in use */
3015 if(p_scb->rc_handle == BTA_AV_RC_HANDLE_NONE)
3016 {
3017 /* AVRC channel is not connected. delay a little bit */
3018 if ((p_scb->wait & BTA_AV_WAIT_ROLE_SW_BITS) == 0)
3019 bta_sys_start_timer(&p_scb->timer, BTA_AV_AVRC_TIMER_EVT, BTA_AV_RC_DISC_TIME_VAL);
3020 else
3021 p_scb->wait |= BTA_AV_WAIT_CHECK_RC;
3022 }
3023 }
3024 else
3025 {
3026 /* use main SM for AVRC SDP activities */
3027 bta_av_rc_disc((UINT8)(p_scb->hdi + 1));
3028 }
3029 }
3030 else
3031 {
3032 if(BTA_AV_RC_HANDLE_NONE != p_scb->rc_handle)
3033 {
3034 /* the open API said that this handle does not want a RC connection.
3035 * disconnect it now */
3036 AVRC_Close(p_scb->rc_handle);
3037 }
3038 }
3039 }
3040
3041 /*******************************************************************************
3042 **
3043 ** Function bta_av_open_at_inc
3044 **
3045 ** Description This function is called if API open is called by application
3046 ** while state-machine is at incoming state.
3047 **
3048 ** Returns void
3049 **
3050 *******************************************************************************/
bta_av_open_at_inc(tBTA_AV_SCB * p_scb,tBTA_AV_DATA * p_data)3051 void bta_av_open_at_inc (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
3052 {
3053 tBTA_AV_API_OPEN *p_buf;
3054
3055 memcpy (&(p_scb->open_api), &(p_data->api_open), sizeof(tBTA_AV_API_OPEN));
3056
3057 if (p_scb->coll_mask & BTA_AV_COLL_INC_TMR)
3058 {
3059 p_scb->coll_mask |= BTA_AV_COLL_API_CALLED;
3060
3061 /* API open will be handled at timeout if SNK did not start signalling. */
3062 /* API open will be ignored if SNK starts signalling. */
3063 }
3064 else
3065 {
3066 /* SNK did not start signalling, API was called N seconds timeout. */
3067 /* We need to switch to INIT state and start opening connection. */
3068 p_scb->coll_mask = 0;
3069 bta_av_set_scb_sst_init (p_scb);
3070
3071 if ((p_buf = (tBTA_AV_API_OPEN *) GKI_getbuf(sizeof(tBTA_AV_API_OPEN))) != NULL)
3072 {
3073 memcpy(p_buf, &(p_scb->open_api), sizeof(tBTA_AV_API_OPEN));
3074 bta_sys_sendmsg(p_buf);
3075 }
3076 }
3077 }
3078
3079 #endif /* BTA_AV_INCLUDED */
3080