| /****************************************************************************** |
| * |
| * Copyright (C) 2004-2012 Broadcom Corporation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at: |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| ******************************************************************************/ |
| |
| /****************************************************************************** |
| * |
| * This file contains action functions for advanced audio/video stream |
| * state machine. these functions are shared by both audio and video |
| * streams. |
| * |
| ******************************************************************************/ |
| |
| #include "bt_target.h" |
| |
| #include <base/logging.h> |
| #include <string.h> |
| #include <vector> |
| |
| #include "avdt_api.h" |
| #include "bt_utils.h" |
| #include "bta_av_int.h" |
| #include "btif/include/btif_av_co.h" |
| #include "btif/include/btif_storage.h" |
| #include "device/include/interop.h" |
| #include "l2c_api.h" |
| #include "l2cdefs.h" |
| #include "osi/include/osi.h" |
| #include "osi/include/properties.h" |
| #include "utl.h" |
| |
| #if (BTA_AR_INCLUDED == TRUE) |
| #include "bta_ar_api.h" |
| #endif |
| |
| /***************************************************************************** |
| * Constants |
| ****************************************************************************/ |
| |
| /* the delay time in milliseconds to start service discovery on AVRCP */ |
| #ifndef BTA_AV_RC_DISC_TIME_VAL |
| #define BTA_AV_RC_DISC_TIME_VAL 3500 |
| #endif |
| |
| /* the timer in milliseconds to guard against link busy and AVDT_CloseReq failed |
| * to be sent */ |
| #ifndef BTA_AV_CLOSE_REQ_TIME_VAL |
| #define BTA_AV_CLOSE_REQ_TIME_VAL 4000 |
| #endif |
| |
| /* number to retry on reconfigure failure - some headsets requirs this number to |
| * be more than 1 */ |
| #ifndef BTA_AV_RECONFIG_RETRY |
| #define BTA_AV_RECONFIG_RETRY 6 |
| #endif |
| |
| /* ACL quota we are letting FW use for A2DP Offload Tx. */ |
| #define BTA_AV_A2DP_OFFLOAD_XMIT_QUOTA 4 |
| |
| static void bta_av_st_rc_timer(tBTA_AV_SCB* p_scb, |
| UNUSED_ATTR tBTA_AV_DATA* p_data); |
| |
| /* state machine states */ |
| enum { |
| BTA_AV_INIT_SST, |
| BTA_AV_INCOMING_SST, |
| BTA_AV_OPENING_SST, |
| BTA_AV_OPEN_SST, |
| BTA_AV_RCFG_SST, |
| BTA_AV_CLOSING_SST |
| }; |
| |
| /* the call out functions for audio stream */ |
| const tBTA_AV_CO_FUNCTS bta_av_a2dp_cos = { |
| bta_av_co_audio_init, bta_av_co_audio_disc_res, |
| bta_av_co_audio_getconfig, bta_av_co_audio_setconfig, |
| bta_av_co_audio_open, bta_av_co_audio_close, |
| bta_av_co_audio_start, bta_av_co_audio_stop, |
| bta_av_co_audio_src_data_path, bta_av_co_audio_delay, |
| bta_av_co_audio_update_mtu}; |
| |
| /* ssm action functions for audio stream */ |
| const tBTA_AV_SACT bta_av_a2dp_action[] = { |
| bta_av_do_disc_a2dp, /* BTA_AV_DO_DISC */ |
| bta_av_cleanup, /* BTA_AV_CLEANUP */ |
| bta_av_free_sdb, /* BTA_AV_FREE_SDB */ |
| bta_av_config_ind, /* BTA_AV_CONFIG_IND */ |
| bta_av_disconnect_req, /* BTA_AV_DISCONNECT_REQ */ |
| bta_av_security_req, /* BTA_AV_SECURITY_REQ */ |
| bta_av_security_rsp, /* BTA_AV_SECURITY_RSP */ |
| bta_av_setconfig_rsp, /* BTA_AV_SETCONFIG_RSP */ |
| bta_av_st_rc_timer, /* BTA_AV_ST_RC_TIMER */ |
| bta_av_str_opened, /* BTA_AV_STR_OPENED */ |
| bta_av_security_ind, /* BTA_AV_SECURITY_IND */ |
| bta_av_security_cfm, /* BTA_AV_SECURITY_CFM */ |
| bta_av_do_close, /* BTA_AV_DO_CLOSE */ |
| bta_av_connect_req, /* BTA_AV_CONNECT_REQ */ |
| bta_av_sdp_failed, /* BTA_AV_SDP_FAILED */ |
| bta_av_disc_results, /* BTA_AV_DISC_RESULTS */ |
| bta_av_disc_res_as_acp, /* BTA_AV_DISC_RES_AS_ACP */ |
| bta_av_open_failed, /* BTA_AV_OPEN_FAILED */ |
| bta_av_getcap_results, /* BTA_AV_GETCAP_RESULTS */ |
| bta_av_setconfig_rej, /* BTA_AV_SETCONFIG_REJ */ |
| bta_av_discover_req, /* BTA_AV_DISCOVER_REQ */ |
| bta_av_conn_failed, /* BTA_AV_CONN_FAILED */ |
| bta_av_do_start, /* BTA_AV_DO_START */ |
| bta_av_str_stopped, /* BTA_AV_STR_STOPPED */ |
| bta_av_reconfig, /* BTA_AV_RECONFIG */ |
| bta_av_data_path, /* BTA_AV_DATA_PATH */ |
| bta_av_start_ok, /* BTA_AV_START_OK */ |
| bta_av_start_failed, /* BTA_AV_START_FAILED */ |
| bta_av_str_closed, /* BTA_AV_STR_CLOSED */ |
| bta_av_clr_cong, /* BTA_AV_CLR_CONG */ |
| bta_av_suspend_cfm, /* BTA_AV_SUSPEND_CFM */ |
| bta_av_rcfg_str_ok, /* BTA_AV_RCFG_STR_OK */ |
| bta_av_rcfg_failed, /* BTA_AV_RCFG_FAILED */ |
| bta_av_rcfg_connect, /* BTA_AV_RCFG_CONNECT */ |
| bta_av_rcfg_discntd, /* BTA_AV_RCFG_DISCNTD */ |
| bta_av_suspend_cont, /* BTA_AV_SUSPEND_CONT */ |
| bta_av_rcfg_cfm, /* BTA_AV_RCFG_CFM */ |
| bta_av_rcfg_open, /* BTA_AV_RCFG_OPEN */ |
| bta_av_security_rej, /* BTA_AV_SECURITY_REJ */ |
| bta_av_open_rc, /* BTA_AV_OPEN_RC */ |
| bta_av_chk_2nd_start, /* BTA_AV_CHK_2ND_START */ |
| bta_av_save_caps, /* BTA_AV_SAVE_CAPS */ |
| bta_av_set_use_rc, /* BTA_AV_SET_USE_RC */ |
| bta_av_cco_close, /* BTA_AV_CCO_CLOSE */ |
| bta_av_switch_role, /* BTA_AV_SWITCH_ROLE */ |
| bta_av_role_res, /* BTA_AV_ROLE_RES */ |
| bta_av_delay_co, /* BTA_AV_DELAY_CO */ |
| bta_av_open_at_inc, /* BTA_AV_OPEN_AT_INC */ |
| bta_av_offload_req, /* BTA_AV_OFFLOAD_REQ */ |
| bta_av_offload_rsp, /* BTA_AV_OFFLOAD_RSP */ |
| NULL}; |
| |
| /* these tables translate AVDT events to SSM events */ |
| static const uint16_t bta_av_stream_evt_ok[] = { |
| BTA_AV_STR_DISC_OK_EVT, /* AVDT_DISCOVER_CFM_EVT */ |
| BTA_AV_STR_GETCAP_OK_EVT, /* AVDT_GETCAP_CFM_EVT */ |
| BTA_AV_STR_OPEN_OK_EVT, /* AVDT_OPEN_CFM_EVT */ |
| BTA_AV_STR_OPEN_OK_EVT, /* AVDT_OPEN_IND_EVT */ |
| BTA_AV_STR_CONFIG_IND_EVT, /* AVDT_CONFIG_IND_EVT */ |
| BTA_AV_STR_START_OK_EVT, /* AVDT_START_CFM_EVT */ |
| BTA_AV_STR_START_OK_EVT, /* AVDT_START_IND_EVT */ |
| BTA_AV_STR_SUSPEND_CFM_EVT, /* AVDT_SUSPEND_CFM_EVT */ |
| BTA_AV_STR_SUSPEND_CFM_EVT, /* AVDT_SUSPEND_IND_EVT */ |
| BTA_AV_STR_CLOSE_EVT, /* AVDT_CLOSE_CFM_EVT */ |
| BTA_AV_STR_CLOSE_EVT, /* AVDT_CLOSE_IND_EVT */ |
| BTA_AV_STR_RECONFIG_CFM_EVT, /* AVDT_RECONFIG_CFM_EVT */ |
| 0, /* AVDT_RECONFIG_IND_EVT */ |
| BTA_AV_STR_SECURITY_CFM_EVT, /* AVDT_SECURITY_CFM_EVT */ |
| BTA_AV_STR_SECURITY_IND_EVT, /* AVDT_SECURITY_IND_EVT */ |
| BTA_AV_STR_WRITE_CFM_EVT, /* AVDT_WRITE_CFM_EVT */ |
| BTA_AV_AVDT_CONNECT_EVT, /* AVDT_CONNECT_IND_EVT */ |
| BTA_AV_AVDT_DISCONNECT_EVT, /* AVDT_DISCONNECT_IND_EVT */ |
| #if (AVDT_REPORTING == TRUE) |
| BTA_AV_AVDT_RPT_CONN_EVT, /* AVDT_REPORT_CONN_EVT */ |
| BTA_AV_AVDT_RPT_CONN_EVT, /* AVDT_REPORT_DISCONN_EVT */ |
| #endif |
| BTA_AV_AVDT_DELAY_RPT_EVT, /* AVDT_DELAY_REPORT_EVT */ |
| 0 /* AVDT_DELAY_REPORT_CFM_EVT */ |
| }; |
| |
| static const uint16_t bta_av_stream_evt_fail[] = { |
| BTA_AV_STR_DISC_FAIL_EVT, /* AVDT_DISCOVER_CFM_EVT */ |
| BTA_AV_STR_GETCAP_FAIL_EVT, /* AVDT_GETCAP_CFM_EVT */ |
| BTA_AV_STR_OPEN_FAIL_EVT, /* AVDT_OPEN_CFM_EVT */ |
| BTA_AV_STR_OPEN_OK_EVT, /* AVDT_OPEN_IND_EVT */ |
| BTA_AV_STR_CONFIG_IND_EVT, /* AVDT_CONFIG_IND_EVT */ |
| BTA_AV_STR_START_FAIL_EVT, /* AVDT_START_CFM_EVT */ |
| BTA_AV_STR_START_OK_EVT, /* AVDT_START_IND_EVT */ |
| BTA_AV_STR_SUSPEND_CFM_EVT, /* AVDT_SUSPEND_CFM_EVT */ |
| BTA_AV_STR_SUSPEND_CFM_EVT, /* AVDT_SUSPEND_IND_EVT */ |
| BTA_AV_STR_CLOSE_EVT, /* AVDT_CLOSE_CFM_EVT */ |
| BTA_AV_STR_CLOSE_EVT, /* AVDT_CLOSE_IND_EVT */ |
| BTA_AV_STR_RECONFIG_CFM_EVT, /* AVDT_RECONFIG_CFM_EVT */ |
| 0, /* AVDT_RECONFIG_IND_EVT */ |
| BTA_AV_STR_SECURITY_CFM_EVT, /* AVDT_SECURITY_CFM_EVT */ |
| BTA_AV_STR_SECURITY_IND_EVT, /* AVDT_SECURITY_IND_EVT */ |
| BTA_AV_STR_WRITE_CFM_EVT, /* AVDT_WRITE_CFM_EVT */ |
| BTA_AV_AVDT_CONNECT_EVT, /* AVDT_CONNECT_IND_EVT */ |
| BTA_AV_AVDT_DISCONNECT_EVT, /* AVDT_DISCONNECT_IND_EVT */ |
| #if (AVDT_REPORTING == TRUE) |
| BTA_AV_AVDT_RPT_CONN_EVT, /* AVDT_REPORT_CONN_EVT */ |
| BTA_AV_AVDT_RPT_CONN_EVT, /* AVDT_REPORT_DISCONN_EVT */ |
| #endif |
| BTA_AV_AVDT_DELAY_RPT_EVT, /* AVDT_DELAY_REPORT_EVT */ |
| 0 /* AVDT_DELAY_REPORT_CFM_EVT */ |
| }; |
| |
| static void bta_av_stream0_cback(uint8_t handle, const RawAddress* bd_addr, |
| uint8_t event, tAVDT_CTRL* p_data); |
| static void bta_av_stream1_cback(uint8_t handle, const RawAddress* bd_addr, |
| uint8_t event, tAVDT_CTRL* p_data); |
| #if BTA_AV_NUM_STRS > 2 |
| static void bta_av_stream2_cback(uint8_t handle, const RawAddress* bd_addr, |
| uint8_t event, tAVDT_CTRL* p_data); |
| #endif |
| #if BTA_AV_NUM_STRS > 3 |
| static void bta_av_stream3_cback(uint8_t handle, const RawAddress* bd_addr, |
| uint8_t event, tAVDT_CTRL* p_data); |
| #endif |
| #if BTA_AV_NUM_STRS > 4 |
| static void bta_av_stream4_cback(uint8_t handle, const RawAddress* bd_addr, |
| uint8_t event, tAVDT_CTRL* p_data); |
| #endif |
| #if BTA_AV_NUM_STRS > 5 |
| static void bta_av_stream5_cback(uint8_t handle, const RawAddress* bd_addr, |
| uint8_t event, tAVDT_CTRL* p_data); |
| #endif |
| /* the array of callback functions to receive events from AVDT control channel |
| */ |
| tAVDT_CTRL_CBACK* const bta_av_dt_cback[] = {bta_av_stream0_cback, |
| bta_av_stream1_cback |
| #if BTA_AV_NUM_STRS > 2 |
| , |
| bta_av_stream2_cback |
| #endif |
| #if BTA_AV_NUM_STRS > 3 |
| , |
| bta_av_stream3_cback |
| #endif |
| #if BTA_AV_NUM_STRS > 4 |
| , |
| bta_av_stream4_cback |
| #endif |
| #if BTA_AV_NUM_STRS > 5 |
| , |
| bta_av_stream5_cback |
| #endif |
| }; |
| /*********************************************** |
| * |
| * Function bta_get_scb_handle |
| * |
| * Description gives the registered AVDT handle.by checking with sep_type. |
| * |
| * |
| * Returns void |
| **********************************************/ |
| static uint8_t bta_av_get_scb_handle(tBTA_AV_SCB* p_scb, uint8_t local_sep) { |
| for (int i = 0; i < BTAV_A2DP_CODEC_INDEX_MAX; i++) { |
| if ((p_scb->seps[i].tsep == local_sep) && |
| A2DP_CodecTypeEquals(p_scb->seps[i].codec_info, |
| p_scb->cfg.codec_info)) { |
| return (p_scb->seps[i].av_handle); |
| } |
| } |
| APPL_TRACE_DEBUG("%s: local sep_type %d not found", __func__, local_sep) |
| return 0; /* return invalid handle */ |
| } |
| |
| /*********************************************** |
| * |
| * Function bta_av_get_scb_sep_type |
| * |
| * Description gives the sep type by cross-checking with AVDT handle |
| * |
| * |
| * Returns void |
| **********************************************/ |
| static uint8_t bta_av_get_scb_sep_type(tBTA_AV_SCB* p_scb, |
| uint8_t tavdt_handle) { |
| for (int i = 0; i < BTAV_A2DP_CODEC_INDEX_MAX; i++) { |
| if (p_scb->seps[i].av_handle == tavdt_handle) return (p_scb->seps[i].tsep); |
| } |
| APPL_TRACE_DEBUG("%s: handle %d not found", __func__, tavdt_handle) |
| return AVDT_TSEP_INVALID; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_save_addr |
| * |
| * Description copy the bd_addr and maybe reset the supported flags |
| * |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| static void bta_av_save_addr(tBTA_AV_SCB* p_scb, const RawAddress& b) { |
| APPL_TRACE_DEBUG("%s: r:%d, s:%d", __func__, p_scb->recfg_sup, |
| p_scb->suspend_sup); |
| if (p_scb->peer_addr != b) { |
| APPL_TRACE_ERROR("%s: reset flags", __func__); |
| /* a new addr, reset the supported flags */ |
| p_scb->recfg_sup = true; |
| p_scb->suspend_sup = true; |
| } |
| |
| /* do this copy anyway, just in case the first addr matches |
| * the control block one by accident */ |
| p_scb->peer_addr = b; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function notify_start_failed |
| * |
| * Description notify up-layer AV start failed |
| * |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| static void notify_start_failed(tBTA_AV_SCB* p_scb) { |
| tBTA_AV_START start; |
| /* if start failed, clear role */ |
| p_scb->role &= ~BTA_AV_ROLE_START_INT; |
| start.chnl = p_scb->chnl; |
| start.status = BTA_AV_FAIL; |
| start.initiator = true; |
| start.hndl = p_scb->hndl; |
| (*bta_av_cb.p_cback)(BTA_AV_START_EVT, (tBTA_AV*)&start); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_st_rc_timer |
| * |
| * Description start the AVRC timer if no RC connection & CT is supported & |
| * RC is used or |
| * as ACP (we do not really know if we want AVRC) |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| static void bta_av_st_rc_timer(tBTA_AV_SCB* p_scb, |
| UNUSED_ATTR tBTA_AV_DATA* p_data) { |
| APPL_TRACE_DEBUG("%s: rc_handle:%d, use_rc: %d", __func__, p_scb->rc_handle, |
| p_scb->use_rc); |
| /* for outgoing RC connection as INT/CT */ |
| if ((p_scb->rc_handle == BTA_AV_RC_HANDLE_NONE) && |
| /* (bta_av_cb.features & BTA_AV_FEAT_RCCT) && */ |
| (p_scb->use_rc == true || (p_scb->role & BTA_AV_ROLE_AD_ACP))) { |
| if ((p_scb->wait & BTA_AV_WAIT_ROLE_SW_BITS) == 0) { |
| bta_sys_start_timer(p_scb->avrc_ct_timer, BTA_AV_RC_DISC_TIME_VAL, |
| BTA_AV_AVRC_TIMER_EVT, p_scb->hndl); |
| } else { |
| p_scb->wait |= BTA_AV_WAIT_CHECK_RC; |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_next_getcap |
| * |
| * Description The function gets the capabilities of the next available |
| * stream found in the discovery results. |
| * |
| * Returns true if we sent request to AVDT, false otherwise. |
| * |
| ******************************************************************************/ |
| static bool bta_av_next_getcap(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) { |
| int i; |
| tAVDT_GETCAP_REQ* p_req; |
| bool sent_cmd = false; |
| uint16_t uuid_int = p_scb->uuid_int; |
| uint8_t sep_requested = 0; |
| |
| if (uuid_int == UUID_SERVCLASS_AUDIO_SOURCE) |
| sep_requested = AVDT_TSEP_SNK; |
| else if (uuid_int == UUID_SERVCLASS_AUDIO_SINK) |
| sep_requested = AVDT_TSEP_SRC; |
| |
| for (i = p_scb->sep_info_idx; i < p_scb->num_seps; i++) { |
| /* steam not in use, is a sink, and is the right media type (audio/video) */ |
| if ((p_scb->sep_info[i].in_use == false) && |
| (p_scb->sep_info[i].tsep == sep_requested) && |
| (p_scb->sep_info[i].media_type == p_scb->media_type)) { |
| p_scb->sep_info_idx = i; |
| |
| /* we got a stream; get its capabilities */ |
| if (p_scb->p_cap == NULL) |
| p_scb->p_cap = (tAVDT_CFG*)osi_malloc(sizeof(tAVDT_CFG)); |
| if (p_scb->avdt_version >= AVDT_VERSION_SYNC) { |
| p_req = AVDT_GetAllCapReq; |
| } else { |
| p_req = AVDT_GetCapReq; |
| } |
| (*p_req)(p_scb->peer_addr, p_scb->sep_info[i].seid, p_scb->p_cap, |
| bta_av_dt_cback[p_scb->hdi]); |
| sent_cmd = true; |
| break; |
| } |
| } |
| |
| /* if no streams available then stream open fails */ |
| if (!sent_cmd) { |
| bta_av_ssm_execute(p_scb, BTA_AV_STR_GETCAP_FAIL_EVT, p_data); |
| } |
| |
| return sent_cmd; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_proc_stream_evt |
| * |
| * Description Utility function to compose stream events. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| static void bta_av_proc_stream_evt(uint8_t handle, const RawAddress* bd_addr, |
| uint8_t event, tAVDT_CTRL* p_data, |
| int index) { |
| uint16_t sec_len = 0; |
| tBTA_AV_SCB* p_scb = bta_av_cb.p_scb[index]; |
| |
| if (p_data) { |
| if (event == AVDT_SECURITY_IND_EVT) { |
| sec_len = (p_data->security_ind.len < BTA_AV_SECURITY_MAX_LEN) |
| ? p_data->security_ind.len |
| : BTA_AV_SECURITY_MAX_LEN; |
| } else if (event == AVDT_SECURITY_CFM_EVT && p_data->hdr.err_code == 0) { |
| sec_len = (p_data->security_cfm.len < BTA_AV_SECURITY_MAX_LEN) |
| ? p_data->security_cfm.len |
| : BTA_AV_SECURITY_MAX_LEN; |
| } |
| } |
| |
| if (p_scb) { |
| tBTA_AV_STR_MSG* p_msg = |
| (tBTA_AV_STR_MSG*)osi_malloc(sizeof(tBTA_AV_STR_MSG) + sec_len); |
| |
| /* copy event data, bd addr, and handle to event message buffer */ |
| p_msg->hdr.offset = 0; |
| |
| if (bd_addr != NULL) { |
| p_msg->bd_addr = *bd_addr; |
| VLOG(1) << __func__ << ": bd_addr:" << bd_addr; |
| } |
| |
| if (p_data != NULL) { |
| memcpy(&p_msg->msg, p_data, sizeof(tAVDT_CTRL)); |
| /* copy config params to event message buffer */ |
| switch (event) { |
| case AVDT_RECONFIG_CFM_EVT: |
| if (p_msg->msg.hdr.err_code == 0) { |
| APPL_TRACE_DEBUG( |
| "%s: reconfig cfm event codec info = 0x%06x-%06x-%06x-%02x", |
| __func__, |
| (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], |
| (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], |
| (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], |
| p_msg->msg.reconfig_cfm.p_cfg->codec_info[9]); |
| } |
| break; |
| |
| case AVDT_CONFIG_IND_EVT: |
| /* We might have 2 SEP signallings(A2DP + VDP) with one peer device on |
| * one L2CAP. |
| * If we already have a signalling connection with the bd_addr and the |
| * streaming |
| * SST is at INIT state, change it to INCOMING state to handle the |
| * signalling |
| * from the 2nd SEP. */ |
| if ((bta_av_find_lcb(*bd_addr, BTA_AV_LCB_FIND) != NULL) && |
| (bta_av_is_scb_init(p_scb))) { |
| bta_av_set_scb_sst_incoming(p_scb); |
| |
| /* When ACP_CONNECT_EVT was received, we put first available scb to |
| * incoming state. |
| * Later when we receive AVDT_CONFIG_IND_EVT, we use a new p_scb and |
| * set its state to |
| * incoming which we do it above. |
| * We also have to set the old p_scb state to init to be used later |
| */ |
| for (int i = 0; i < BTA_AV_NUM_STRS; i++) { |
| if ((bta_av_cb.p_scb[i]) && (i != index)) { |
| if (bta_av_cb.p_scb[i]->state == BTA_AV_INCOMING_SST) { |
| bta_av_cb.p_scb[i]->state = BTA_AV_INIT_SST; |
| bta_av_cb.p_scb[i]->coll_mask = 0; |
| break; |
| } |
| } |
| } |
| } |
| |
| memcpy(&p_msg->cfg, p_data->config_ind.p_cfg, sizeof(tAVDT_CFG)); |
| break; |
| |
| case AVDT_SECURITY_IND_EVT: |
| p_msg->msg.security_ind.p_data = (uint8_t*)(p_msg + 1); |
| memcpy(p_msg->msg.security_ind.p_data, p_data->security_ind.p_data, |
| sec_len); |
| break; |
| |
| case AVDT_SECURITY_CFM_EVT: |
| p_msg->msg.security_cfm.p_data = (uint8_t*)(p_msg + 1); |
| if (p_data->hdr.err_code == 0) { |
| memcpy(p_msg->msg.security_cfm.p_data, p_data->security_cfm.p_data, |
| sec_len); |
| } |
| break; |
| |
| case AVDT_SUSPEND_IND_EVT: |
| p_msg->msg.hdr.err_code = 0; |
| break; |
| |
| case AVDT_CONNECT_IND_EVT: |
| p_scb->recfg_sup = true; |
| p_scb->suspend_sup = true; |
| break; |
| |
| default: |
| break; |
| } |
| } else |
| p_msg->msg.hdr.err_code = 0; |
| |
| /* look up application event */ |
| if ((p_data == NULL) || (p_data->hdr.err_code == 0)) { |
| p_msg->hdr.event = bta_av_stream_evt_ok[event]; |
| } else { |
| p_msg->hdr.event = bta_av_stream_evt_fail[event]; |
| } |
| |
| p_msg->initiator = false; |
| if (event == AVDT_SUSPEND_CFM_EVT) p_msg->initiator = true; |
| |
| APPL_TRACE_VERBOSE("%s: hndl:x%x", __func__, p_scb->hndl); |
| p_msg->hdr.layer_specific = p_scb->hndl; |
| p_msg->handle = handle; |
| p_msg->avdt_event = event; |
| bta_sys_sendmsg(p_msg); |
| } |
| |
| if (p_data) { |
| bta_av_conn_cback(handle, bd_addr, event, p_data); |
| } else { |
| APPL_TRACE_ERROR("%s: p_data is null", __func__); |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_sink_data_cback |
| * |
| * Description This is the AVDTP callback function for sink stream events. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_sink_data_cback(uint8_t handle, BT_HDR* p_pkt, uint32_t time_stamp, |
| uint8_t m_pt) { |
| int index = 0; |
| tBTA_AV_SCB* p_scb; |
| APPL_TRACE_DEBUG( |
| "%s: avdt_handle: %d pkt_len=0x%x offset = 0x%x " |
| "number of frames 0x%x sequence number 0x%x", |
| __func__, handle, p_pkt->len, p_pkt->offset, |
| *((uint8_t*)(p_pkt + 1) + p_pkt->offset), p_pkt->layer_specific); |
| /* Get SCB and correct sep type */ |
| for (index = 0; index < BTA_AV_NUM_STRS; index++) { |
| p_scb = bta_av_cb.p_scb[index]; |
| if ((p_scb->avdt_handle == handle) && |
| (p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SNK)) { |
| break; |
| } |
| } |
| if (index == BTA_AV_NUM_STRS) { |
| /* cannot find correct handler */ |
| osi_free(p_pkt); |
| return; |
| } |
| p_pkt->event = BTA_AV_SINK_MEDIA_DATA_EVT; |
| p_scb->seps[p_scb->sep_idx].p_app_sink_data_cback(BTA_AV_SINK_MEDIA_DATA_EVT, |
| (tBTA_AV_MEDIA*)p_pkt); |
| /* Free the buffer: a copy of the packet has been delivered */ |
| osi_free(p_pkt); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_stream0_cback |
| * |
| * Description This is the AVDTP callback function for stream events. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| static void bta_av_stream0_cback(uint8_t handle, const RawAddress* bd_addr, |
| uint8_t event, tAVDT_CTRL* p_data) { |
| APPL_TRACE_VERBOSE("%s: avdt_handle: %d event=0x%x", __func__, handle, event); |
| bta_av_proc_stream_evt(handle, bd_addr, event, p_data, 0); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_stream1_cback |
| * |
| * Description This is the AVDTP callback function for stream events. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| static void bta_av_stream1_cback(uint8_t handle, const RawAddress* bd_addr, |
| uint8_t event, tAVDT_CTRL* p_data) { |
| APPL_TRACE_EVENT("%s: avdt_handle: %d event=0x%x", __func__, handle, event); |
| bta_av_proc_stream_evt(handle, bd_addr, event, p_data, 1); |
| } |
| |
| #if BTA_AV_NUM_STRS > 2 |
| /******************************************************************************* |
| * |
| * Function bta_av_stream2_cback |
| * |
| * Description This is the AVDTP callback function for stream events. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| static void bta_av_stream2_cback(uint8_t handle, const RawAddress* bd_addr, |
| uint8_t event, tAVDT_CTRL* p_data) { |
| APPL_TRACE_EVENT("%s: avdt_handle: %d event=0x%x", __func__, handle, event); |
| bta_av_proc_stream_evt(handle, bd_addr, event, p_data, 2); |
| } |
| #endif |
| |
| #if BTA_AV_NUM_STRS > 3 |
| /******************************************************************************* |
| * |
| * Function bta_av_stream3_cback |
| * |
| * Description This is the AVDTP callback function for stream events. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| static void bta_av_stream3_cback(uint8_t handle, const RawAddress* bd_addr, |
| uint8_t event, tAVDT_CTRL* p_data) { |
| APPL_TRACE_EVENT("%s: avdt_handle: %d event=0x%x", __func__, handle, event); |
| bta_av_proc_stream_evt(handle, bd_addr, event, p_data, 3); |
| } |
| #endif |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_stream4_cback |
| * |
| * Description This is the AVDTP callback function for stream events. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| #if BTA_AV_NUM_STRS > 4 |
| static void bta_av_stream4_cback(uint8_t handle, const RawAddress* bd_addr, |
| uint8_t event, tAVDT_CTRL* p_data) { |
| APPL_TRACE_EVENT("%s: avdt_handle: %d event=0x%x", __func__, handle, event); |
| bta_av_proc_stream_evt(handle, bd_addr, event, p_data, 4); |
| } |
| #endif |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_stream5_cback |
| * |
| * Description This is the AVDTP callback function for stream events. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| #if BTA_AV_NUM_STRS > 5 |
| static void bta_av_stream5_cback(uint8_t handle, const RawAddress* bd_addr, |
| uint8_t event, tAVDT_CTRL* p_data) { |
| APPL_TRACE_EVENT("%s: avdt_handle: %d event=0x%x", __func__, handle, event); |
| bta_av_proc_stream_evt(handle, bd_addr, event, p_data, 5); |
| } |
| #endif |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_a2dp_sdp_cback |
| * |
| * Description A2DP service discovery callback. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| static void bta_av_a2dp_sdp_cback(bool found, tA2DP_Service* p_service) { |
| tBTA_AV_SCB* p_scb = bta_av_hndl_to_scb(bta_av_cb.handle); |
| |
| if (p_scb == NULL) { |
| APPL_TRACE_ERROR("%s: no scb found for handle(0x%x)", __func__, |
| bta_av_cb.handle); |
| return; |
| } |
| |
| tBTA_AV_SDP_RES* p_msg = |
| (tBTA_AV_SDP_RES*)osi_malloc(sizeof(tBTA_AV_SDP_RES)); |
| p_msg->hdr.event = |
| (found) ? BTA_AV_SDP_DISC_OK_EVT : BTA_AV_SDP_DISC_FAIL_EVT; |
| if (found && (p_service != NULL)) |
| p_scb->avdt_version = p_service->avdt_version; |
| else |
| p_scb->avdt_version = 0x00; |
| p_msg->hdr.layer_specific = bta_av_cb.handle; |
| |
| bta_sys_sendmsg(p_msg); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_adjust_seps_idx |
| * |
| * Description adjust the sep_idx |
| * |
| * Returns |
| * |
| ******************************************************************************/ |
| static void bta_av_adjust_seps_idx(tBTA_AV_SCB* p_scb, uint8_t avdt_handle) { |
| APPL_TRACE_DEBUG("%s: codec: %s", __func__, |
| A2DP_CodecName(p_scb->cfg.codec_info)); |
| for (int i = 0; i < BTAV_A2DP_CODEC_INDEX_MAX; i++) { |
| APPL_TRACE_DEBUG("%s: av_handle: %d codec: %s", __func__, |
| p_scb->seps[i].av_handle, |
| A2DP_CodecName(p_scb->seps[i].codec_info)); |
| if (p_scb->seps[i].av_handle && (p_scb->seps[i].av_handle == avdt_handle) && |
| A2DP_CodecTypeEquals(p_scb->seps[i].codec_info, |
| p_scb->cfg.codec_info)) { |
| p_scb->sep_idx = i; |
| p_scb->avdt_handle = p_scb->seps[i].av_handle; |
| break; |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_switch_role |
| * |
| * Description Switch role was not started and a timer was started. |
| * another attempt to switch role now - still opening. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_switch_role(tBTA_AV_SCB* p_scb, UNUSED_ATTR tBTA_AV_DATA* p_data) { |
| tBTA_AV_RS_RES switch_res = BTA_AV_RS_NONE; |
| tBTA_AV_API_OPEN* p_buf = &p_scb->q_info.open; |
| |
| APPL_TRACE_DEBUG("%s: wait:x%x", __func__, p_scb->wait); |
| if (p_scb->wait & BTA_AV_WAIT_ROLE_SW_RES_START) |
| p_scb->wait |= BTA_AV_WAIT_ROLE_SW_RETRY; |
| |
| /* clear the masks set when the timer is started */ |
| p_scb->wait &= |
| ~(BTA_AV_WAIT_ROLE_SW_RES_OPEN | BTA_AV_WAIT_ROLE_SW_RES_START); |
| |
| if (p_scb->q_tag == BTA_AV_Q_TAG_OPEN) { |
| if (bta_av_switch_if_needed(p_scb) || |
| !bta_av_link_role_ok(p_scb, A2DP_SET_MULTL_BIT)) { |
| p_scb->wait |= BTA_AV_WAIT_ROLE_SW_RES_OPEN; |
| } else { |
| /* this should not happen in theory. Just in case... |
| * continue to do_disc_a2dp */ |
| switch_res = BTA_AV_RS_DONE; |
| } |
| } else { |
| /* report failure on OPEN */ |
| switch_res = BTA_AV_RS_FAIL; |
| } |
| |
| if (switch_res != BTA_AV_RS_NONE) { |
| if (bta_av_cb.rs_idx == (p_scb->hdi + 1)) { |
| bta_av_cb.rs_idx = 0; |
| } |
| p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_RETRY; |
| p_scb->q_tag = 0; |
| p_buf->switch_res = switch_res; |
| bta_av_do_disc_a2dp(p_scb, (tBTA_AV_DATA*)p_buf); |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_role_res |
| * |
| * Description Handle the role changed event |
| * |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_role_res(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) { |
| bool initiator = false; |
| tBTA_AV_START start; |
| tBTA_AV_OPEN av_open; |
| |
| APPL_TRACE_DEBUG("%s: q_tag:%d, wait:x%x, role:x%x", __func__, p_scb->q_tag, |
| p_scb->wait, p_scb->role); |
| if (p_scb->role & BTA_AV_ROLE_START_INT) initiator = true; |
| |
| if (p_scb->q_tag == BTA_AV_Q_TAG_START) { |
| if (p_scb->wait & BTA_AV_WAIT_ROLE_SW_STARTED) { |
| p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_BITS; |
| if (p_data->role_res.hci_status != HCI_SUCCESS) { |
| p_scb->role &= ~BTA_AV_ROLE_START_INT; |
| bta_sys_idle(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->peer_addr); |
| /* start failed because of role switch. */ |
| start.chnl = p_scb->chnl; |
| start.status = BTA_AV_FAIL_ROLE; |
| start.hndl = p_scb->hndl; |
| start.initiator = initiator; |
| (*bta_av_cb.p_cback)(BTA_AV_START_EVT, (tBTA_AV*)&start); |
| } else { |
| bta_av_start_ok(p_scb, p_data); |
| } |
| } else if (p_scb->wait & BTA_AV_WAIT_ROLE_SW_RES_START) |
| p_scb->wait |= BTA_AV_WAIT_ROLE_SW_FAILED; |
| } else if (p_scb->q_tag == BTA_AV_Q_TAG_OPEN) { |
| if (p_scb->wait & BTA_AV_WAIT_ROLE_SW_RES_OPEN) { |
| p_scb->role &= ~BTA_AV_ROLE_START_INT; |
| p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_BITS; |
| |
| if (p_data->role_res.hci_status != HCI_SUCCESS) { |
| /* Open failed because of role switch. */ |
| av_open.bd_addr = p_scb->peer_addr; |
| av_open.chnl = p_scb->chnl; |
| av_open.hndl = p_scb->hndl; |
| start.status = BTA_AV_FAIL_ROLE; |
| if (p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SRC) |
| av_open.sep = AVDT_TSEP_SNK; |
| else if (p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SNK) |
| av_open.sep = AVDT_TSEP_SRC; |
| (*bta_av_cb.p_cback)(BTA_AV_OPEN_EVT, (tBTA_AV*)&av_open); |
| } else { |
| /* Continue av open process */ |
| p_scb->q_info.open.switch_res = BTA_AV_RS_DONE; |
| bta_av_do_disc_a2dp(p_scb, (tBTA_AV_DATA*)&(p_scb->q_info.open)); |
| } |
| } else { |
| APPL_TRACE_WARNING( |
| "%s: unexpected role switch event: q_tag = %d wait = %d", __func__, |
| p_scb->q_tag, p_scb->wait); |
| } |
| } |
| |
| APPL_TRACE_DEBUG("%s: wait:x%x, role:x%x", __func__, p_scb->wait, |
| p_scb->role); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_delay_co |
| * |
| * Description Call the delay call-out function to report the delay report |
| * from SNK |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_delay_co(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) { |
| p_scb->p_cos->delay(p_scb->hndl, p_data->str_msg.msg.delay_rpt_cmd.delay); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_do_disc_a2dp |
| * |
| * Description Do service discovery for A2DP. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_do_disc_a2dp(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) { |
| bool ok_continue = false; |
| tA2DP_SDP_DB_PARAMS db_params; |
| uint16_t attr_list[] = {ATTR_ID_SERVICE_CLASS_ID_LIST, |
| ATTR_ID_PROTOCOL_DESC_LIST, |
| ATTR_ID_BT_PROFILE_DESC_LIST}; |
| uint16_t sdp_uuid = 0; /* UUID for which SDP has to be done */ |
| |
| APPL_TRACE_DEBUG("%s: use_rc: %d rs:%d, oc:%d", __func__, |
| p_data->api_open.use_rc, p_data->api_open.switch_res, |
| bta_av_cb.audio_open_cnt); |
| |
| memcpy(&(p_scb->open_api), &(p_data->api_open), sizeof(tBTA_AV_API_OPEN)); |
| |
| switch (p_data->api_open.switch_res) { |
| case BTA_AV_RS_NONE: |
| if (bta_av_switch_if_needed(p_scb) || |
| !bta_av_link_role_ok(p_scb, A2DP_SET_MULTL_BIT)) { |
| /* waiting for role switch result. save the api to control block */ |
| memcpy(&p_scb->q_info.open, &p_data->api_open, |
| sizeof(tBTA_AV_API_OPEN)); |
| p_scb->wait |= BTA_AV_WAIT_ROLE_SW_RES_OPEN; |
| p_scb->q_tag = BTA_AV_Q_TAG_OPEN; |
| } else { |
| ok_continue = true; |
| } |
| break; |
| |
| case BTA_AV_RS_FAIL: |
| /* report a new failure event */ |
| p_scb->open_status = BTA_AV_FAIL_ROLE; |
| bta_av_ssm_execute(p_scb, BTA_AV_SDP_DISC_FAIL_EVT, NULL); |
| break; |
| |
| case BTA_AV_RS_OK: |
| p_data = (tBTA_AV_DATA*)&p_scb->q_info.open; |
| /* continue to open if link role is ok */ |
| if (bta_av_link_role_ok(p_scb, A2DP_SET_MULTL_BIT)) { |
| ok_continue = true; |
| } else { |
| p_scb->wait |= BTA_AV_WAIT_ROLE_SW_RES_OPEN; |
| } |
| break; |
| |
| case BTA_AV_RS_DONE: |
| ok_continue = true; |
| break; |
| } |
| |
| APPL_TRACE_DEBUG("%s: ok_continue: %d wait:x%x, q_tag: %d", __func__, |
| ok_continue, p_scb->wait, p_scb->q_tag); |
| if (!ok_continue) return; |
| |
| /* clear the role switch bits */ |
| p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_BITS; |
| |
| if (p_scb->wait & BTA_AV_WAIT_CHECK_RC) { |
| p_scb->wait &= ~BTA_AV_WAIT_CHECK_RC; |
| bta_sys_start_timer(p_scb->avrc_ct_timer, BTA_AV_RC_DISC_TIME_VAL, |
| BTA_AV_AVRC_TIMER_EVT, p_scb->hndl); |
| } |
| |
| if (bta_av_cb.features & BTA_AV_FEAT_MASTER) { |
| L2CA_SetDesireRole(L2CAP_ROLE_DISALLOW_SWITCH); |
| |
| if (bta_av_cb.audio_open_cnt == 1) { |
| /* there's already an A2DP connection. do not allow switch */ |
| bta_sys_clear_default_policy(BTA_ID_AV, HCI_ENABLE_MASTER_SLAVE_SWITCH); |
| } |
| } |
| /* store peer addr other parameters */ |
| bta_av_save_addr(p_scb, p_data->api_open.bd_addr); |
| p_scb->sec_mask = p_data->api_open.sec_mask; |
| p_scb->use_rc = p_data->api_open.use_rc; |
| |
| bta_sys_app_open(BTA_ID_AV, p_scb->app_id, p_scb->peer_addr); |
| |
| if (p_scb->skip_sdp == true) { |
| tA2DP_Service a2dp_ser; |
| a2dp_ser.avdt_version = AVDT_VERSION; |
| p_scb->skip_sdp = false; |
| p_scb->uuid_int = p_data->api_open.uuid; |
| /* only one A2DP find service is active at a time */ |
| bta_av_cb.handle = p_scb->hndl; |
| APPL_TRACE_WARNING("%s: Skip Sdp for incoming A2dp connection", __func__); |
| bta_av_a2dp_sdp_cback(true, &a2dp_ser); |
| return; |
| } |
| |
| /* only one A2DP find service is active at a time */ |
| bta_av_cb.handle = p_scb->hndl; |
| |
| /* set up parameters */ |
| db_params.db_len = BTA_AV_DISC_BUF_SIZE; |
| db_params.num_attr = 3; |
| db_params.p_attrs = attr_list; |
| p_scb->uuid_int = p_data->api_open.uuid; |
| p_scb->sdp_discovery_started = true; |
| if (p_scb->uuid_int == UUID_SERVCLASS_AUDIO_SINK) |
| sdp_uuid = UUID_SERVCLASS_AUDIO_SOURCE; |
| else if (p_scb->uuid_int == UUID_SERVCLASS_AUDIO_SOURCE) |
| sdp_uuid = UUID_SERVCLASS_AUDIO_SINK; |
| |
| APPL_TRACE_DEBUG("%s: uuid_int 0x%x, Doing SDP For 0x%x", __func__, |
| p_scb->uuid_int, sdp_uuid); |
| if (A2DP_FindService(sdp_uuid, p_scb->peer_addr, &db_params, |
| bta_av_a2dp_sdp_cback) == A2DP_SUCCESS) |
| return; |
| |
| /* when the code reaches here, either the DB is NULL |
| * or A2DP_FindService is not successful */ |
| bta_av_a2dp_sdp_cback(false, NULL); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_cleanup |
| * |
| * Description cleanup AV stream control block. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_cleanup(tBTA_AV_SCB* p_scb, UNUSED_ATTR tBTA_AV_DATA* p_data) { |
| tBTA_AV_CONN_CHG msg; |
| uint8_t role = BTA_AV_ROLE_AD_INT; |
| |
| APPL_TRACE_DEBUG("%s", __func__); |
| |
| /* free any buffers */ |
| osi_free_and_reset((void**)&p_scb->p_cap); |
| p_scb->sdp_discovery_started = false; |
| p_scb->avdt_version = 0; |
| |
| /* initialize some control block variables */ |
| p_scb->open_status = BTA_AV_SUCCESS; |
| |
| /* if de-registering shut everything down */ |
| msg.hdr.layer_specific = p_scb->hndl; |
| p_scb->started = false; |
| p_scb->current_codec = nullptr; |
| p_scb->cong = false; |
| p_scb->role = role; |
| p_scb->cur_psc_mask = 0; |
| p_scb->wait = 0; |
| p_scb->num_disc_snks = 0; |
| alarm_cancel(p_scb->avrc_ct_timer); |
| |
| /* TODO(eisenbach): RE-IMPLEMENT USING VSC OR HAL EXTENSION |
| vendor_get_interface()->send_command( |
| (vendor_opcode_t)BT_VND_OP_A2DP_OFFLOAD_STOP, (void*)&p_scb->l2c_cid); |
| if (p_scb->offload_start_pending) { |
| tBTA_AV_STATUS status = BTA_AV_FAIL_STREAM; |
| (*bta_av_cb.p_cback)(BTA_AV_OFFLOAD_START_RSP_EVT, (tBTA_AV*)&status); |
| } |
| */ |
| |
| p_scb->offload_start_pending = false; |
| |
| p_scb->skip_sdp = false; |
| if (p_scb->deregistring) { |
| /* remove stream */ |
| for (int i = 0; i < BTAV_A2DP_CODEC_INDEX_MAX; i++) { |
| if (p_scb->seps[i].av_handle) AVDT_RemoveStream(p_scb->seps[i].av_handle); |
| p_scb->seps[i].av_handle = 0; |
| } |
| |
| bta_av_dereg_comp((tBTA_AV_DATA*)&msg); |
| } else { |
| /* report stream closed to main SM */ |
| msg.is_up = false; |
| msg.peer_addr = p_scb->peer_addr; |
| bta_av_conn_chg((tBTA_AV_DATA*)&msg); |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_free_sdb |
| * |
| * Description Free service discovery db buffer. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_free_sdb(tBTA_AV_SCB* p_scb, UNUSED_ATTR tBTA_AV_DATA* p_data) { |
| p_scb->sdp_discovery_started = false; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_config_ind |
| * |
| * Description Handle a stream configuration indication from the peer. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_config_ind(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) { |
| tBTA_AV_CI_SETCONFIG setconfig; |
| tAVDT_SEP_INFO* p_info; |
| tAVDT_CFG* p_evt_cfg = &p_data->str_msg.cfg; |
| uint8_t psc_mask = (p_evt_cfg->psc_mask | p_scb->cfg.psc_mask); |
| uint8_t |
| local_sep; /* sep type of local handle on which connection was received */ |
| tBTA_AV_STR_MSG* p_msg = (tBTA_AV_STR_MSG*)p_data; |
| |
| local_sep = bta_av_get_scb_sep_type(p_scb, p_msg->handle); |
| p_scb->avdt_label = p_data->str_msg.msg.hdr.label; |
| memcpy(p_scb->cfg.codec_info, p_evt_cfg->codec_info, AVDT_CODEC_SIZE); |
| bta_av_save_addr(p_scb, p_data->str_msg.bd_addr); |
| |
| /* Clear collision mask */ |
| p_scb->coll_mask = 0; |
| alarm_cancel(bta_av_cb.accept_signalling_timer); |
| |
| /* if no codec parameters in configuration, fail */ |
| if ((p_evt_cfg->num_codec == 0) || |
| /* or the peer requests for a service we do not support */ |
| ((psc_mask != p_scb->cfg.psc_mask) && |
| (psc_mask != (p_scb->cfg.psc_mask & ~AVDT_PSC_DELAY_RPT)))) { |
| setconfig.hndl = p_scb->hndl; /* we may not need this */ |
| setconfig.err_code = AVDT_ERR_UNSUP_CFG; |
| bta_av_ssm_execute(p_scb, BTA_AV_CI_SETCONFIG_FAIL_EVT, |
| (tBTA_AV_DATA*)&setconfig); |
| } else { |
| p_info = &p_scb->sep_info[0]; |
| p_info->in_use = 0; |
| p_info->media_type = p_scb->media_type; |
| p_info->seid = p_data->str_msg.msg.config_ind.int_seid; |
| |
| /* Sep type of Peer will be oppsite role to our local sep */ |
| if (local_sep == AVDT_TSEP_SRC) |
| p_info->tsep = AVDT_TSEP_SNK; |
| else if (local_sep == AVDT_TSEP_SNK) |
| p_info->tsep = AVDT_TSEP_SRC; |
| |
| p_scb->role |= BTA_AV_ROLE_AD_ACP; |
| p_scb->cur_psc_mask = p_evt_cfg->psc_mask; |
| if (bta_av_cb.features & BTA_AV_FEAT_RCTG) |
| p_scb->use_rc = true; |
| else |
| p_scb->use_rc = false; |
| |
| p_scb->num_seps = 1; |
| p_scb->sep_info_idx = 0; |
| APPL_TRACE_DEBUG("%s: SEID: %d use_rc: %d cur_psc_mask:0x%x", __func__, |
| p_info->seid, p_scb->use_rc, p_scb->cur_psc_mask); |
| /* in case of A2DP SINK this is the first time peer data is being sent to |
| * co functions */ |
| if (local_sep == AVDT_TSEP_SNK) { |
| p_scb->p_cos->setcfg(p_scb->hndl, p_evt_cfg->codec_info, p_info->seid, |
| p_scb->peer_addr, p_evt_cfg->num_protect, |
| p_evt_cfg->protect_info, AVDT_TSEP_SNK, |
| p_msg->handle); |
| } else { |
| p_scb->p_cos->setcfg(p_scb->hndl, p_evt_cfg->codec_info, p_info->seid, |
| p_scb->peer_addr, p_evt_cfg->num_protect, |
| p_evt_cfg->protect_info, AVDT_TSEP_SRC, |
| p_msg->handle); |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_disconnect_req |
| * |
| * Description Disconnect AVDTP connection. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_disconnect_req(tBTA_AV_SCB* p_scb, |
| UNUSED_ATTR tBTA_AV_DATA* p_data) { |
| tBTA_AV_RCB* p_rcb; |
| |
| APPL_TRACE_DEBUG("%s: conn_lcb: 0x%x", __func__, bta_av_cb.conn_lcb); |
| |
| alarm_cancel(bta_av_cb.link_signalling_timer); |
| alarm_cancel(p_scb->avrc_ct_timer); |
| |
| if (bta_av_cb.conn_lcb) { |
| p_rcb = bta_av_get_rcb_by_shdl((uint8_t)(p_scb->hdi + 1)); |
| if (p_rcb) bta_av_del_rc(p_rcb); |
| AVDT_DisconnectReq(p_scb->peer_addr, bta_av_dt_cback[p_scb->hdi]); |
| } else { |
| bta_av_ssm_execute(p_scb, BTA_AV_AVDT_DISCONNECT_EVT, NULL); |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_security_req |
| * |
| * Description Send an AVDTP security request. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_security_req(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) { |
| if (bta_av_cb.features & BTA_AV_FEAT_PROTECT) { |
| AVDT_SecurityReq(p_scb->avdt_handle, p_data->api_protect_req.p_data, |
| p_data->api_protect_req.len); |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_security_rsp |
| * |
| * Description Send an AVDTP security response. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_security_rsp(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) { |
| if (bta_av_cb.features & BTA_AV_FEAT_PROTECT) { |
| AVDT_SecurityRsp(p_scb->avdt_handle, p_scb->avdt_label, |
| p_data->api_protect_rsp.error_code, |
| p_data->api_protect_rsp.p_data, |
| p_data->api_protect_rsp.len); |
| } else { |
| AVDT_SecurityRsp(p_scb->avdt_handle, p_scb->avdt_label, AVDT_ERR_NSC, NULL, |
| 0); |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_setconfig_rsp |
| * |
| * Description setconfig is OK |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_setconfig_rsp(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) { |
| uint8_t num = p_data->ci_setconfig.num_seid + 1; |
| uint8_t avdt_handle = p_data->ci_setconfig.avdt_handle; |
| uint8_t* p_seid = p_data->ci_setconfig.p_seid; |
| int i; |
| uint8_t local_sep; |
| |
| /* we like this codec_type. find the sep_idx */ |
| local_sep = bta_av_get_scb_sep_type(p_scb, avdt_handle); |
| bta_av_adjust_seps_idx(p_scb, avdt_handle); |
| APPL_TRACE_DEBUG("%s: sep_idx: %d cur_psc_mask:0x%x", __func__, |
| p_scb->sep_idx, p_scb->cur_psc_mask); |
| |
| if ((AVDT_TSEP_SNK == local_sep) && |
| (p_data->ci_setconfig.err_code == AVDT_SUCCESS) && |
| (p_scb->seps[p_scb->sep_idx].p_app_sink_data_cback != NULL)) { |
| tBTA_AV_MEDIA av_sink_codec_info; |
| av_sink_codec_info.avk_config.bd_addr = p_scb->peer_addr; |
| av_sink_codec_info.avk_config.codec_info = p_scb->cfg.codec_info; |
| p_scb->seps[p_scb->sep_idx].p_app_sink_data_cback(BTA_AV_SINK_MEDIA_CFG_EVT, |
| &av_sink_codec_info); |
| } |
| |
| AVDT_ConfigRsp(p_scb->avdt_handle, p_scb->avdt_label, |
| p_data->ci_setconfig.err_code, p_data->ci_setconfig.category); |
| |
| alarm_cancel(bta_av_cb.link_signalling_timer); |
| |
| if (p_data->ci_setconfig.err_code == AVDT_SUCCESS) { |
| p_scb->wait = BTA_AV_WAIT_ACP_CAPS_ON; |
| if (p_data->ci_setconfig.recfg_needed) |
| p_scb->role |= BTA_AV_ROLE_SUSPEND_OPT; |
| APPL_TRACE_DEBUG("%s: recfg_needed:%d role:x%x num:%d", __func__, |
| p_data->ci_setconfig.recfg_needed, p_scb->role, num); |
| /* callout module tells BTA the number of "good" SEPs and their SEIDs. |
| * getcap on these SEID */ |
| p_scb->num_seps = num; |
| |
| if (p_scb->cur_psc_mask & AVDT_PSC_DELAY_RPT) |
| p_scb->avdt_version = AVDT_VERSION_SYNC; |
| |
| if (A2DP_GetCodecType(p_scb->cfg.codec_info) == A2DP_MEDIA_CT_SBC || |
| num > 1) { |
| /* if SBC is used by the SNK as INT, discover req is not sent in |
| * bta_av_config_ind. |
| * call disc_res now */ |
| /* this is called in A2DP SRC path only, In case of SINK we don't need it |
| */ |
| if (local_sep == AVDT_TSEP_SRC) |
| p_scb->p_cos->disc_res(p_scb->hndl, num, num, 0, p_scb->peer_addr, |
| UUID_SERVCLASS_AUDIO_SOURCE); |
| } else { |
| /* we do not know the peer device and it is using non-SBC codec |
| * we need to know all the SEPs on SNK */ |
| bta_av_discover_req(p_scb, NULL); |
| return; |
| } |
| |
| for (i = 1; i < num; i++) { |
| APPL_TRACE_DEBUG("%s: sep_info[%d] SEID: %d", __func__, i, p_seid[i - 1]); |
| /* initialize the sep_info[] to get capabilities */ |
| p_scb->sep_info[i].in_use = false; |
| p_scb->sep_info[i].tsep = AVDT_TSEP_SNK; |
| p_scb->sep_info[i].media_type = p_scb->media_type; |
| p_scb->sep_info[i].seid = p_seid[i - 1]; |
| } |
| |
| /* only in case of local sep as SRC we need to look for other SEPs, In case |
| * of SINK we don't */ |
| if (local_sep == AVDT_TSEP_SRC) { |
| /* Make sure UUID has been initialized... */ |
| if (p_scb->uuid_int == 0) p_scb->uuid_int = p_scb->open_api.uuid; |
| bta_av_next_getcap(p_scb, p_data); |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_str_opened |
| * |
| * Description Stream opened OK (incoming/outgoing). |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_str_opened(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) { |
| tBTA_AV_CONN_CHG msg; |
| tBTA_AV_OPEN open; |
| uint8_t* p; |
| uint16_t mtu; |
| |
| msg.hdr.layer_specific = p_scb->hndl; |
| msg.is_up = true; |
| msg.peer_addr = p_scb->peer_addr; |
| p_scb->l2c_cid = AVDT_GetL2CapChannel(p_scb->avdt_handle); |
| bta_av_conn_chg((tBTA_AV_DATA*)&msg); |
| /* set the congestion flag, so AV would not send media packets by accident */ |
| p_scb->cong = true; |
| p_scb->offload_start_pending = false; |
| |
| p_scb->stream_mtu = |
| p_data->str_msg.msg.open_ind.peer_mtu - AVDT_MEDIA_HDR_SIZE; |
| mtu = bta_av_chk_mtu(p_scb, p_scb->stream_mtu); |
| APPL_TRACE_DEBUG("%s: l2c_cid: 0x%x stream_mtu: %d mtu: %d", __func__, |
| p_scb->l2c_cid, p_scb->stream_mtu, mtu); |
| if (mtu == 0 || mtu > p_scb->stream_mtu) mtu = p_scb->stream_mtu; |
| |
| /* Set the media channel as high priority */ |
| L2CA_SetTxPriority(p_scb->l2c_cid, L2CAP_CHNL_PRIORITY_HIGH); |
| L2CA_SetChnlFlushability(p_scb->l2c_cid, true); |
| |
| bta_sys_conn_open(BTA_ID_AV, p_scb->app_id, p_scb->peer_addr); |
| memset(&p_scb->q_info, 0, sizeof(tBTA_AV_Q_INFO)); |
| |
| p_scb->l2c_bufs = 0; |
| p_scb->p_cos->open(p_scb->hndl, mtu); |
| |
| { |
| /* TODO check if other audio channel is open. |
| * If yes, check if reconfig is needed |
| * Rigt now we do not do this kind of checking. |
| * BTA-AV is INT for 2nd audio connection. |
| * The application needs to make sure the current codec_info is proper. |
| * If one audio connection is open and another SNK attempts to connect to |
| * AV, |
| * the connection will be rejected. |
| */ |
| /* check if other audio channel is started. If yes, start */ |
| open.bd_addr = p_scb->peer_addr; |
| open.chnl = p_scb->chnl; |
| open.hndl = p_scb->hndl; |
| open.status = BTA_AV_SUCCESS; |
| open.starting = bta_av_chk_start(p_scb); |
| open.edr = 0; |
| p = BTM_ReadRemoteFeatures(p_scb->peer_addr); |
| if (p != NULL) { |
| if (HCI_EDR_ACL_2MPS_SUPPORTED(p)) open.edr |= BTA_AV_EDR_2MBPS; |
| if (HCI_EDR_ACL_3MPS_SUPPORTED(p)) open.edr |= BTA_AV_EDR_3MBPS; |
| } |
| #if (BTA_AR_INCLUDED == TRUE) |
| bta_ar_avdt_conn(BTA_ID_AV, open.bd_addr); |
| #endif |
| if (p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SRC) |
| open.sep = AVDT_TSEP_SNK; |
| else if (p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SNK) |
| open.sep = AVDT_TSEP_SRC; |
| |
| (*bta_av_cb.p_cback)(BTA_AV_OPEN_EVT, (tBTA_AV*)&open); |
| if (open.starting) { |
| bta_av_ssm_execute(p_scb, BTA_AV_AP_START_EVT, NULL); |
| } |
| } |
| |
| // This code is used to pass PTS TC for AVDTP ABORT |
| char value[PROPERTY_VALUE_MAX] = {0}; |
| if ((osi_property_get("bluetooth.pts.force_a2dp_abort", value, "false")) && |
| (!strcmp(value, "true"))) { |
| APPL_TRACE_ERROR("%s: Calling AVDT_AbortReq", __func__); |
| AVDT_AbortReq(p_scb->avdt_handle); |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_security_ind |
| * |
| * Description Handle an AVDTP security indication. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_security_ind(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) { |
| tBTA_AV_PROTECT_REQ protect_req; |
| |
| p_scb->avdt_label = p_data->str_msg.msg.hdr.label; |
| |
| if (bta_av_cb.features & BTA_AV_FEAT_PROTECT) { |
| protect_req.chnl = p_scb->chnl; |
| protect_req.hndl = p_scb->hndl; |
| protect_req.p_data = p_data->str_msg.msg.security_ind.p_data; |
| protect_req.len = p_data->str_msg.msg.security_ind.len; |
| |
| (*bta_av_cb.p_cback)(BTA_AV_PROTECT_REQ_EVT, (tBTA_AV*)&protect_req); |
| } |
| /* app doesn't support security indication; respond with failure */ |
| else { |
| AVDT_SecurityRsp(p_scb->avdt_handle, p_scb->avdt_label, AVDT_ERR_NSC, NULL, |
| 0); |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_security_cfm |
| * |
| * Description Handle an AVDTP security confirm. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_security_cfm(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) { |
| tBTA_AV_PROTECT_RSP protect_rsp; |
| |
| if (bta_av_cb.features & BTA_AV_FEAT_PROTECT) { |
| protect_rsp.chnl = p_scb->chnl; |
| protect_rsp.hndl = p_scb->hndl; |
| protect_rsp.p_data = p_data->str_msg.msg.security_cfm.p_data; |
| protect_rsp.len = p_data->str_msg.msg.security_cfm.len; |
| protect_rsp.err_code = p_data->str_msg.msg.hdr.err_code; |
| |
| (*bta_av_cb.p_cback)(BTA_AV_PROTECT_RSP_EVT, (tBTA_AV*)&protect_rsp); |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_do_close |
| * |
| * Description Close stream. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_do_close(tBTA_AV_SCB* p_scb, UNUSED_ATTR tBTA_AV_DATA* p_data) { |
| /* stop stream if started */ |
| if (p_scb->co_started) { |
| bta_av_str_stopped(p_scb, NULL); |
| } |
| alarm_cancel(bta_av_cb.link_signalling_timer); |
| |
| /* close stream */ |
| p_scb->started = false; |
| p_scb->current_codec = nullptr; |
| |
| /* drop the buffers queued in L2CAP */ |
| L2CA_FlushChannel(p_scb->l2c_cid, L2CAP_FLUSH_CHANS_ALL); |
| |
| AVDT_CloseReq(p_scb->avdt_handle); |
| /* just in case that the link is congested, link is flow controled by peer or |
| * for whatever reason the the close request can not be sent in time. |
| * when this timer expires, AVDT_DisconnectReq will be called to disconnect |
| * the link |
| */ |
| bta_sys_start_timer(p_scb->avrc_ct_timer, BTA_AV_CLOSE_REQ_TIME_VAL, |
| BTA_AV_API_CLOSE_EVT, p_scb->hndl); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_connect_req |
| * |
| * Description Connect AVDTP connection. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_connect_req(tBTA_AV_SCB* p_scb, UNUSED_ATTR tBTA_AV_DATA* p_data) { |
| p_scb->sdp_discovery_started = false; |
| if (p_scb->coll_mask & BTA_AV_COLL_INC_TMR) { |
| /* SNK initiated L2C connection while SRC was doing SDP. */ |
| /* Wait until timeout to check if SNK starts signalling. */ |
| APPL_TRACE_EVENT("%s: coll_mask = 0x%2X", __func__, p_scb->coll_mask); |
| p_scb->coll_mask |= BTA_AV_COLL_API_CALLED; |
| APPL_TRACE_EVENT("%s: updated coll_mask = 0x%2X", __func__, |
| p_scb->coll_mask); |
| return; |
| } |
| |
| AVDT_ConnectReq(p_scb->peer_addr, p_scb->sec_mask, |
| bta_av_dt_cback[p_scb->hdi]); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_sdp_failed |
| * |
| * Description Service discovery failed. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_sdp_failed(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) { |
| if (!p_scb->open_status) p_scb->open_status = BTA_AV_FAIL_SDP; |
| |
| p_scb->sdp_discovery_started = false; |
| bta_av_str_closed(p_scb, p_data); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_disc_results |
| * |
| * Description Handle the AVDTP discover results. Search through the |
| * results and find the first available stream, and get |
| * its capabilities. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_disc_results(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) { |
| uint8_t num_snks = 0, num_srcs = 0, i; |
| /* our uuid in case we initiate connection */ |
| uint16_t uuid_int = p_scb->uuid_int; |
| |
| APPL_TRACE_DEBUG("%s: initiator UUID 0x%x", __func__, uuid_int); |
| /* store number of stream endpoints returned */ |
| p_scb->num_seps = p_data->str_msg.msg.discover_cfm.num_seps; |
| |
| for (i = 0; i < p_scb->num_seps; i++) { |
| /* steam not in use, is a sink, and is audio */ |
| if ((p_scb->sep_info[i].in_use == false) && |
| (p_scb->sep_info[i].media_type == p_scb->media_type)) { |
| if ((p_scb->sep_info[i].tsep == AVDT_TSEP_SNK) && |
| (uuid_int == UUID_SERVCLASS_AUDIO_SOURCE)) |
| num_snks++; |
| |
| if ((p_scb->sep_info[i].tsep == AVDT_TSEP_SRC) && |
| (uuid_int == UUID_SERVCLASS_AUDIO_SINK)) |
| num_srcs++; |
| } |
| } |
| |
| p_scb->p_cos->disc_res(p_scb->hndl, p_scb->num_seps, num_snks, num_srcs, |
| p_scb->peer_addr, uuid_int); |
| p_scb->num_disc_snks = num_snks; |
| p_scb->num_disc_srcs = num_srcs; |
| |
| /* if we got any */ |
| if (p_scb->num_seps > 0) { |
| /* initialize index into discovery results */ |
| p_scb->sep_info_idx = 0; |
| |
| /* get the capabilities of the first available stream */ |
| bta_av_next_getcap(p_scb, p_data); |
| } |
| /* else we got discover response but with no streams; we're done */ |
| else { |
| bta_av_ssm_execute(p_scb, BTA_AV_STR_DISC_FAIL_EVT, p_data); |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_disc_res_as_acp |
| * |
| * Description Handle the AVDTP discover results. Search through the |
| * results and find the first available stream, and get |
| * its capabilities. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_disc_res_as_acp(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) { |
| uint8_t num_snks = 0, i; |
| |
| /* store number of stream endpoints returned */ |
| p_scb->num_seps = p_data->str_msg.msg.discover_cfm.num_seps; |
| |
| for (i = 0; i < p_scb->num_seps; i++) { |
| /* steam is a sink, and is audio */ |
| if ((p_scb->sep_info[i].tsep == AVDT_TSEP_SNK) && |
| (p_scb->sep_info[i].media_type == p_scb->media_type)) { |
| p_scb->sep_info[i].in_use = false; |
| num_snks++; |
| } |
| } |
| p_scb->p_cos->disc_res(p_scb->hndl, p_scb->num_seps, num_snks, 0, |
| p_scb->peer_addr, UUID_SERVCLASS_AUDIO_SOURCE); |
| p_scb->num_disc_snks = num_snks; |
| p_scb->num_disc_srcs = 0; |
| |
| /* if we got any */ |
| if (p_scb->num_seps > 0) { |
| /* initialize index into discovery results */ |
| p_scb->sep_info_idx = 0; |
| |
| /* get the capabilities of the first available stream */ |
| bta_av_next_getcap(p_scb, p_data); |
| } |
| /* else we got discover response but with no streams; we're done */ |
| else { |
| bta_av_ssm_execute(p_scb, BTA_AV_STR_DISC_FAIL_EVT, p_data); |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_save_caps |
| * |
| * Description report the SNK SEP capabilities to application |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_save_caps(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) { |
| tAVDT_CFG cfg; |
| tAVDT_SEP_INFO* p_info = &p_scb->sep_info[p_scb->sep_info_idx]; |
| uint8_t old_wait = p_scb->wait; |
| bool getcap_done = false; |
| |
| APPL_TRACE_DEBUG("%s: num_seps:%d sep_info_idx:%d wait:x%x", __func__, |
| p_scb->num_seps, p_scb->sep_info_idx, p_scb->wait); |
| memcpy(&cfg, p_scb->p_cap, sizeof(tAVDT_CFG)); |
| /* let application know the capability of the SNK */ |
| p_scb->p_cos->getcfg(p_scb->hndl, cfg.codec_info, &p_scb->sep_info_idx, |
| p_info->seid, &cfg.num_protect, cfg.protect_info); |
| |
| p_scb->sep_info_idx++; |
| if (p_scb->num_seps > p_scb->sep_info_idx) { |
| /* Some devices have seps at the end of the discover list, which is not */ |
| /* matching media type(video not audio). */ |
| /* In this case, we are done with getcap without sending another */ |
| /* request to AVDT. */ |
| if (!bta_av_next_getcap(p_scb, p_data)) getcap_done = true; |
| } else |
| getcap_done = true; |
| |
| if (getcap_done) { |
| /* we are done getting capabilities. restore the p_cb->sep_info_idx */ |
| p_scb->sep_info_idx = 0; |
| p_scb->wait &= ~(BTA_AV_WAIT_ACP_CAPS_ON | BTA_AV_WAIT_ACP_CAPS_STARTED); |
| if (old_wait & BTA_AV_WAIT_ACP_CAPS_STARTED) { |
| bta_av_start_ok(p_scb, NULL); |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_set_use_rc |
| * |
| * Description set to use AVRC for this stream control block. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_set_use_rc(tBTA_AV_SCB* p_scb, UNUSED_ATTR tBTA_AV_DATA* p_data) { |
| p_scb->use_rc = true; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_cco_close |
| * |
| * Description call close call-out function. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_cco_close(tBTA_AV_SCB* p_scb, UNUSED_ATTR tBTA_AV_DATA* p_data) { |
| uint16_t mtu; |
| |
| mtu = bta_av_chk_mtu(p_scb, BTA_AV_MAX_A2DP_MTU); |
| |
| p_scb->p_cos->close(p_scb->hndl); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_open_failed |
| * |
| * Description Failed to open an AVDT stream |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_open_failed(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) { |
| bool is_av_opened = false; |
| tBTA_AV_SCB* p_opened_scb = NULL; |
| uint8_t idx; |
| tBTA_AV_OPEN open; |
| |
| APPL_TRACE_DEBUG("%s", __func__); |
| p_scb->open_status = BTA_AV_FAIL_STREAM; |
| bta_av_cco_close(p_scb, p_data); |
| |
| /* check whether there is already an opened audio or video connection with the |
| * same device */ |
| for (idx = 0; (idx < BTA_AV_NUM_STRS) && (is_av_opened == false); idx++) { |
| p_opened_scb = bta_av_cb.p_scb[idx]; |
| if (p_opened_scb && (p_opened_scb->state == BTA_AV_OPEN_SST) && |
| (p_opened_scb->peer_addr == p_scb->peer_addr)) |
| is_av_opened = true; |
| } |
| |
| /* if there is already an active AV connnection with the same bd_addr, |
| don't send disconnect req, just report the open event with |
| BTA_AV_FAIL_GET_CAP status */ |
| if (is_av_opened == true) { |
| open.bd_addr = p_scb->peer_addr; |
| open.chnl = p_scb->chnl; |
| open.hndl = p_scb->hndl; |
| open.status = BTA_AV_FAIL_GET_CAP; |
| open.starting = bta_av_chk_start(p_scb); |
| open.edr = 0; |
| /* set the state back to initial state */ |
| bta_av_set_scb_sst_init(p_scb); |
| |
| if (p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SRC) |
| open.sep = AVDT_TSEP_SNK; |
| else if (p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SNK) |
| open.sep = AVDT_TSEP_SRC; |
| |
| (*bta_av_cb.p_cback)(BTA_AV_OPEN_EVT, (tBTA_AV*)&open); |
| |
| } else { |
| AVDT_DisconnectReq(p_scb->peer_addr, bta_av_dt_cback[p_scb->hdi]); |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_getcap_results |
| * |
| * Description Handle the AVDTP get capabilities results. Check the codec |
| * type and see if it matches ours. If it does not, get the |
| * capabilities of the next stream, if any. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_getcap_results(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) { |
| tAVDT_CFG cfg; |
| uint8_t media_type; |
| tAVDT_SEP_INFO* p_info = &p_scb->sep_info[p_scb->sep_info_idx]; |
| uint16_t uuid_int; /* UUID for which connection was initiatied */ |
| |
| memcpy(&cfg, &p_scb->cfg, sizeof(tAVDT_CFG)); |
| cfg.num_codec = 1; |
| cfg.num_protect = p_scb->p_cap->num_protect; |
| memcpy(cfg.codec_info, p_scb->p_cap->codec_info, AVDT_CODEC_SIZE); |
| memcpy(cfg.protect_info, p_scb->p_cap->protect_info, AVDT_PROTECT_SIZE); |
| media_type = A2DP_GetMediaType(p_scb->p_cap->codec_info); |
| |
| APPL_TRACE_DEBUG("%s: num_codec %d", __func__, p_scb->p_cap->num_codec); |
| APPL_TRACE_DEBUG("%s: media type x%x, x%x", __func__, media_type, |
| p_scb->media_type); |
| |
| /* if codec present and we get a codec configuration */ |
| if ((p_scb->p_cap->num_codec != 0) && (media_type == p_scb->media_type) && |
| (p_scb->p_cos->getcfg(p_scb->hndl, cfg.codec_info, &p_scb->sep_info_idx, |
| p_info->seid, &cfg.num_protect, |
| cfg.protect_info) == A2DP_SUCCESS)) { |
| /* save copy of codec configuration */ |
| memcpy(&p_scb->cfg, &cfg, sizeof(tAVDT_CFG)); |
| |
| uuid_int = p_scb->uuid_int; |
| APPL_TRACE_DEBUG("%s: initiator UUID = 0x%x", __func__, uuid_int); |
| if (uuid_int == UUID_SERVCLASS_AUDIO_SOURCE) |
| bta_av_adjust_seps_idx(p_scb, |
| bta_av_get_scb_handle(p_scb, AVDT_TSEP_SRC)); |
| else if (uuid_int == UUID_SERVCLASS_AUDIO_SINK) |
| bta_av_adjust_seps_idx(p_scb, |
| bta_av_get_scb_handle(p_scb, AVDT_TSEP_SNK)); |
| |
| /* use only the services peer supports */ |
| cfg.psc_mask &= p_scb->p_cap->psc_mask; |
| p_scb->cur_psc_mask = cfg.psc_mask; |
| |
| if ((uuid_int == UUID_SERVCLASS_AUDIO_SINK) && |
| (p_scb->seps[p_scb->sep_idx].p_app_sink_data_cback != NULL)) { |
| APPL_TRACE_DEBUG("%s: configure decoder for Sink connection", __func__); |
| tBTA_AV_MEDIA av_sink_codec_info; |
| av_sink_codec_info.avk_config.bd_addr = p_scb->peer_addr; |
| av_sink_codec_info.avk_config.codec_info = p_scb->cfg.codec_info; |
| p_scb->seps[p_scb->sep_idx].p_app_sink_data_cback( |
| BTA_AV_SINK_MEDIA_CFG_EVT, &av_sink_codec_info); |
| } |
| |
| if (uuid_int == UUID_SERVCLASS_AUDIO_SOURCE) { |
| A2DP_AdjustCodec(cfg.codec_info); |
| } |
| |
| /* open the stream */ |
| AVDT_OpenReq(p_scb->seps[p_scb->sep_idx].av_handle, p_scb->peer_addr, |
| p_scb->sep_info[p_scb->sep_info_idx].seid, &cfg); |
| |
| if (!bta_av_is_rcfg_sst(p_scb)) { |
| /* free capabilities buffer */ |
| osi_free_and_reset((void**)&p_scb->p_cap); |
| } |
| } else { |
| /* try the next stream, if any */ |
| p_scb->sep_info_idx++; |
| bta_av_next_getcap(p_scb, p_data); |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_setconfig_rej |
| * |
| * Description Send AVDTP set config reject. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_setconfig_rej(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) { |
| tBTA_AV_REJECT reject; |
| uint8_t avdt_handle = p_data->ci_setconfig.avdt_handle; |
| |
| bta_av_adjust_seps_idx(p_scb, avdt_handle); |
| APPL_TRACE_DEBUG("%s: sep_idx: %d", __func__, p_scb->sep_idx); |
| AVDT_ConfigRsp(p_scb->avdt_handle, p_scb->avdt_label, AVDT_ERR_UNSUP_CFG, 0); |
| |
| reject.bd_addr = p_data->str_msg.bd_addr; |
| reject.hndl = p_scb->hndl; |
| (*bta_av_cb.p_cback)(BTA_AV_REJECT_EVT, (tBTA_AV*)&reject); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_discover_req |
| * |
| * Description Send an AVDTP discover request to the peer. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_discover_req(tBTA_AV_SCB* p_scb, UNUSED_ATTR tBTA_AV_DATA* p_data) { |
| /* send avdtp discover request */ |
| |
| AVDT_DiscoverReq(p_scb->peer_addr, p_scb->sep_info, BTA_AV_NUM_SEPS, |
| bta_av_dt_cback[p_scb->hdi]); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_conn_failed |
| * |
| * Description AVDTP connection failed. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_conn_failed(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) { |
| p_scb->open_status = BTA_AV_FAIL_STREAM; |
| bta_av_str_closed(p_scb, p_data); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_do_start |
| * |
| * Description Start stream. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_do_start(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) { |
| uint8_t policy = HCI_ENABLE_SNIFF_MODE; |
| uint8_t cur_role; |
| |
| APPL_TRACE_DEBUG("%s: sco_occupied:%d, role:x%x, started:%d", __func__, |
| bta_av_cb.sco_occupied, p_scb->role, p_scb->started); |
| if (bta_av_cb.sco_occupied) { |
| bta_av_start_failed(p_scb, p_data); |
| return; |
| } |
| |
| /* disallow role switch during streaming, only if we are the master role |
| * i.e. allow role switch, if we are slave. |
| * It would not hurt us, if the peer device wants us to be master */ |
| if ((BTM_GetRole(p_scb->peer_addr, &cur_role) == BTM_SUCCESS) && |
| (cur_role == BTM_ROLE_MASTER)) { |
| policy |= HCI_ENABLE_MASTER_SLAVE_SWITCH; |
| } |
| |
| bta_sys_clear_policy(BTA_ID_AV, policy, p_scb->peer_addr); |
| |
| if ((p_scb->started == false) && |
| ((p_scb->role & BTA_AV_ROLE_START_INT) == 0)) { |
| p_scb->role |= BTA_AV_ROLE_START_INT; |
| bta_sys_busy(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->peer_addr); |
| |
| AVDT_StartReq(&p_scb->avdt_handle, 1); |
| } else if (p_scb->started) { |
| p_scb->role |= BTA_AV_ROLE_START_INT; |
| if (p_scb->wait == 0) { |
| if (p_scb->role & BTA_AV_ROLE_SUSPEND) { |
| notify_start_failed(p_scb); |
| } else { |
| bta_av_start_ok(p_scb, NULL); |
| } |
| } |
| } |
| APPL_TRACE_DEBUG("%s: started %d role:x%x", __func__, p_scb->started, |
| p_scb->role); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_str_stopped |
| * |
| * Description Stream stopped. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_str_stopped(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) { |
| tBTA_AV_SUSPEND suspend_rsp; |
| uint8_t start = p_scb->started; |
| bool sus_evt = true; |
| BT_HDR* p_buf; |
| uint8_t policy = HCI_ENABLE_SNIFF_MODE; |
| |
| APPL_TRACE_ERROR("%s: audio_open_cnt=%d, p_data %p", __func__, |
| bta_av_cb.audio_open_cnt, p_data); |
| |
| bta_sys_idle(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->peer_addr); |
| if ((bta_av_cb.features & BTA_AV_FEAT_MASTER) == 0 || |
| bta_av_cb.audio_open_cnt == 1) |
| policy |= HCI_ENABLE_MASTER_SLAVE_SWITCH; |
| bta_sys_set_policy(BTA_ID_AV, policy, p_scb->peer_addr); |
| |
| if (p_scb->co_started) { |
| /* TODO(eisenbach): RE-IMPLEMENT USING VSC OR HAL EXTENSION |
| vendor_get_interface()->send_command( |
| (vendor_opcode_t)BT_VND_OP_A2DP_OFFLOAD_STOP, (void*)&p_scb->l2c_cid); |
| if (p_scb->offload_start_pending) { |
| tBTA_AV_STATUS status = BTA_AV_FAIL_STREAM; |
| (*bta_av_cb.p_cback)(BTA_AV_OFFLOAD_START_RSP_EVT, (tBTA_AV*)&status); |
| } |
| p_scb->offload_start_pending = false; |
| */ |
| |
| bta_av_stream_chg(p_scb, false); |
| p_scb->co_started = false; |
| |
| p_scb->p_cos->stop(p_scb->hndl); |
| L2CA_SetFlushTimeout(p_scb->peer_addr, L2CAP_DEFAULT_FLUSH_TO); |
| } |
| |
| /* if q_info.a2dp_list is not empty, drop it now */ |
| if (BTA_AV_CHNL_AUDIO == p_scb->chnl) { |
| while (!list_is_empty(p_scb->a2dp_list)) { |
| p_buf = (BT_HDR*)list_front(p_scb->a2dp_list); |
| list_remove(p_scb->a2dp_list, p_buf); |
| osi_free(p_buf); |
| } |
| |
| /* drop the audio buffers queued in L2CAP */ |
| if (p_data && p_data->api_stop.flush) |
| L2CA_FlushChannel(p_scb->l2c_cid, L2CAP_FLUSH_CHANS_ALL); |
| } |
| |
| suspend_rsp.chnl = p_scb->chnl; |
| suspend_rsp.hndl = p_scb->hndl; |
| |
| if (p_data && p_data->api_stop.suspend) { |
| APPL_TRACE_DEBUG("%s: suspending: %d, sup:%d", __func__, start, |
| p_scb->suspend_sup); |
| if ((start) && (p_scb->suspend_sup)) { |
| sus_evt = false; |
| p_scb->l2c_bufs = 0; |
| AVDT_SuspendReq(&p_scb->avdt_handle, 1); |
| } |
| |
| /* send SUSPEND_EVT event only if not in reconfiguring state and sus_evt is |
| * true*/ |
| if ((sus_evt) && (p_scb->state != BTA_AV_RCFG_SST)) { |
| suspend_rsp.status = BTA_AV_SUCCESS; |
| suspend_rsp.initiator = true; |
| (*bta_av_cb.p_cback)(BTA_AV_SUSPEND_EVT, (tBTA_AV*)&suspend_rsp); |
| } |
| } else { |
| suspend_rsp.status = BTA_AV_SUCCESS; |
| suspend_rsp.initiator = true; |
| APPL_TRACE_EVENT("%s: status %d", __func__, suspend_rsp.status); |
| |
| // Send STOP_EVT event only if not in reconfiguring state. |
| // However, we should send STOP_EVT if we are reconfiguring when taking |
| // the Close->Configure->Open->Start path. |
| if (p_scb->state != BTA_AV_RCFG_SST || |
| (p_data && p_data->api_stop.reconfig_stop)) { |
| (*bta_av_cb.p_cback)(BTA_AV_STOP_EVT, (tBTA_AV*)&suspend_rsp); |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_reconfig |
| * |
| * Description process the reconfigure request. |
| * save the parameter in control block and |
| * suspend, reconfigure or close the stream |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_reconfig(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) { |
| tAVDT_CFG* p_cfg; |
| tBTA_AV_API_STOP stop; |
| tBTA_AV_API_RCFG* p_rcfg = &p_data->api_reconfig; |
| |
| APPL_TRACE_DEBUG("%s: r:%d, s:%d idx: %d (o:%d)", __func__, p_scb->recfg_sup, |
| p_scb->suspend_sup, p_scb->rcfg_idx, p_scb->sep_info_idx); |
| |
| p_scb->num_recfg = 0; |
| /* store the new configuration in control block */ |
| if (p_scb->p_cap == NULL) |
| p_scb->p_cap = (tAVDT_CFG*)osi_malloc(sizeof(tAVDT_CFG)); |
| p_cfg = p_scb->p_cap; |
| |
| alarm_cancel(p_scb->avrc_ct_timer); |
| |
| memcpy(p_cfg, &p_scb->cfg, sizeof(tAVDT_CFG)); |
| p_cfg->num_protect = p_rcfg->num_protect; |
| memcpy(p_cfg->codec_info, p_rcfg->codec_info, AVDT_CODEC_SIZE); |
| memcpy(p_cfg->protect_info, p_rcfg->p_protect_info, p_rcfg->num_protect); |
| p_scb->rcfg_idx = p_rcfg->sep_info_idx; |
| p_scb->p_cap->psc_mask = p_scb->cur_psc_mask; |
| |
| // If the requested SEP index is same as the current one, then we |
| // can Suspend->Reconfigure->Start. |
| // Otherwise, we have to Close->Configure->Open->Start or |
| // Close->Configure->Open for streams that are / are not started. |
| if ((p_scb->rcfg_idx == p_scb->sep_info_idx) && p_rcfg->suspend && |
| p_scb->recfg_sup && p_scb->suspend_sup) { |
| if (p_scb->started) { |
| // Suspend->Reconfigure->Start |
| stop.flush = false; |
| stop.suspend = true; |
| stop.reconfig_stop = false; |
| bta_av_str_stopped(p_scb, (tBTA_AV_DATA*)&stop); |
| } else { |
| // Reconfigure |
| APPL_TRACE_DEBUG("%s: reconfig", __func__); |
| AVDT_ReconfigReq(p_scb->avdt_handle, p_scb->p_cap); |
| p_scb->p_cap->psc_mask = p_scb->cur_psc_mask; |
| } |
| } else { |
| // Close the stream first, and then Configure it |
| APPL_TRACE_DEBUG("%s: Close/Open started: %d state: %d num_protect: %d", |
| __func__, p_scb->started, p_scb->state, |
| p_cfg->num_protect); |
| if (p_scb->started) { |
| // Close->Configure->Open->Start |
| if ((p_scb->rcfg_idx != p_scb->sep_info_idx) && p_scb->recfg_sup) { |
| // Make sure we trigger STOP_EVT when taking the longer road to |
| // reconfiguration, otherwise we don't call Start. |
| stop.flush = false; |
| stop.suspend = false; |
| stop.reconfig_stop = true; |
| bta_av_str_stopped(p_scb, (tBTA_AV_DATA*)&stop); |
| } else { |
| bta_av_str_stopped(p_scb, NULL); |
| } |
| p_scb->started = false; |
| } else { |
| // Close->Configure->Open |
| bta_av_str_stopped(p_scb, NULL); |
| } |
| // Drop the buffers queued in L2CAP |
| L2CA_FlushChannel(p_scb->l2c_cid, L2CAP_FLUSH_CHANS_ALL); |
| AVDT_CloseReq(p_scb->avdt_handle); |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_data_path |
| * |
| * Description Handle stream data path. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_data_path(tBTA_AV_SCB* p_scb, UNUSED_ATTR tBTA_AV_DATA* p_data) { |
| BT_HDR* p_buf = NULL; |
| uint32_t timestamp; |
| bool new_buf = false; |
| uint8_t m_pt = 0x60; |
| tAVDT_DATA_OPT_MASK opt; |
| |
| if (p_scb->cong) return; |
| |
| if (p_scb->current_codec->useRtpHeaderMarkerBit()) { |
| m_pt |= AVDT_MARKER_SET; |
| } |
| |
| // Always get the current number of bufs que'd up |
| p_scb->l2c_bufs = |
| (uint8_t)L2CA_FlushChannel(p_scb->l2c_cid, L2CAP_FLUSH_CHANS_GET); |
| |
| if (!list_is_empty(p_scb->a2dp_list)) { |
| p_buf = (BT_HDR*)list_front(p_scb->a2dp_list); |
| list_remove(p_scb->a2dp_list, p_buf); |
| /* use q_info.a2dp data, read the timestamp */ |
| timestamp = *(uint32_t*)(p_buf + 1); |
| } else { |
| new_buf = true; |
| /* A2DP_list empty, call co_data, dup data to other channels */ |
| p_buf = (BT_HDR*)p_scb->p_cos->data(p_scb->cfg.codec_info, ×tamp); |
| |
| if (p_buf) { |
| /* use the offset area for the time stamp */ |
| *(uint32_t*)(p_buf + 1) = timestamp; |
| |
| /* dup the data to other channels */ |
| bta_av_dup_audio_buf(p_scb, p_buf); |
| } |
| } |
| |
| if (p_buf) { |
| if (p_scb->l2c_bufs < (BTA_AV_QUEUE_DATA_CHK_NUM)) { |
| /* There's a buffer, just queue it to L2CAP. |
| * There's no need to increment it here, it is always read from |
| * L2CAP (see above). |
| */ |
| |
| /* opt is a bit mask, it could have several options set */ |
| opt = AVDT_DATA_OPT_NONE; |
| if (p_scb->no_rtp_hdr) { |
| opt |= AVDT_DATA_OPT_NO_RTP; |
| } |
| |
| // |
| // Fragment the payload if larger than the MTU. |
| // NOTE: The fragmentation is RTP-compatibie. |
| // |
| size_t extra_fragments_n = 0; |
| if (p_buf->len > 0) { |
| extra_fragments_n = (p_buf->len / p_scb->stream_mtu) + |
| ((p_buf->len % p_scb->stream_mtu) ? 1 : 0) - 1; |
| } |
| std::vector<BT_HDR*> extra_fragments; |
| extra_fragments.reserve(extra_fragments_n); |
| |
| uint8_t* data_begin = (uint8_t*)(p_buf + 1) + p_buf->offset; |
| uint8_t* data_end = (uint8_t*)(p_buf + 1) + p_buf->offset + p_buf->len; |
| while (extra_fragments_n-- > 0) { |
| data_begin += p_scb->stream_mtu; |
| size_t fragment_len = data_end - data_begin; |
| if (fragment_len > p_scb->stream_mtu) fragment_len = p_scb->stream_mtu; |
| |
| BT_HDR* p_buf2 = (BT_HDR*)osi_malloc(BT_DEFAULT_BUFFER_SIZE); |
| p_buf2->offset = p_buf->offset; |
| p_buf2->len = 0; |
| p_buf2->layer_specific = 0; |
| uint8_t* packet2 = |
| (uint8_t*)(p_buf2 + 1) + p_buf2->offset + p_buf2->len; |
| memcpy(packet2, data_begin, fragment_len); |
| p_buf2->len += fragment_len; |
| extra_fragments.push_back(p_buf2); |
| p_buf->len -= fragment_len; |
| } |
| |
| if (!extra_fragments.empty()) { |
| // Reset the RTP Marker bit for all fragments except the last one |
| m_pt &= ~AVDT_MARKER_SET; |
| } |
| AVDT_WriteReqOpt(p_scb->avdt_handle, p_buf, timestamp, m_pt, opt); |
| for (size_t i = 0; i < extra_fragments.size(); i++) { |
| if (i + 1 == extra_fragments.size()) { |
| // Set the RTP Marker bit for the last fragment |
| m_pt |= AVDT_MARKER_SET; |
| } |
| BT_HDR* p_buf2 = extra_fragments[i]; |
| AVDT_WriteReqOpt(p_scb->avdt_handle, p_buf2, timestamp, m_pt, opt); |
| } |
| p_scb->cong = true; |
| } else { |
| /* there's a buffer, but L2CAP does not seem to be moving data */ |
| if (new_buf) { |
| /* just got this buffer from co_data, |
| * put it in queue */ |
| list_append(p_scb->a2dp_list, p_buf); |
| } else { |
| /* just dequeue it from the a2dp_list */ |
| if (list_length(p_scb->a2dp_list) < 3) { |
| /* put it back to the queue */ |
| list_prepend(p_scb->a2dp_list, p_buf); |
| } else { |
| /* too many buffers in a2dp_list, drop it. */ |
| bta_av_co_audio_drop(p_scb->hndl); |
| osi_free(p_buf); |
| } |
| } |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_start_ok |
| * |
| * Description Stream started. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_start_ok(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) { |
| tBTA_AV_START start; |
| bool initiator = false; |
| bool suspend = false; |
| uint16_t flush_to; |
| uint8_t new_role = p_scb->role; |
| BT_HDR hdr; |
| uint8_t policy = HCI_ENABLE_SNIFF_MODE; |
| uint8_t cur_role; |
| |
| APPL_TRACE_DEBUG("%s: wait:x%x, role:x%x", __func__, p_scb->wait, |
| p_scb->role); |
| |
| p_scb->started = true; |
| p_scb->current_codec = bta_av_get_a2dp_current_codec(); |
| |
| if (p_scb->sco_suspend) { |
| p_scb->sco_suspend = false; |
| } |
| |
| if (new_role & BTA_AV_ROLE_START_INT) initiator = true; |
| |
| /* for A2DP SINK we do not send get_caps */ |
| if ((p_scb->avdt_handle == p_scb->seps[p_scb->sep_idx].av_handle) && |
| (p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SNK)) { |
| p_scb->wait &= ~(BTA_AV_WAIT_ACP_CAPS_ON); |
| APPL_TRACE_DEBUG("%s: local SEP type is SNK new wait is 0x%x", __func__, |
| p_scb->wait); |
| } |
| if (p_scb->wait & BTA_AV_WAIT_ROLE_SW_FAILED) { |
| /* role switch has failed */ |
| p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_FAILED; |
| p_data = (tBTA_AV_DATA*)&hdr; |
| hdr.offset = BTA_AV_RS_FAIL; |
| } |
| APPL_TRACE_DEBUG("%s: wait:x%x", __func__, p_scb->wait); |
| |
| if (p_data && (p_data->hdr.offset != BTA_AV_RS_NONE)) { |
| p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_BITS; |
| if (p_data->hdr.offset == BTA_AV_RS_FAIL) { |
| bta_sys_idle(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->peer_addr); |
| start.chnl = p_scb->chnl; |
| start.status = BTA_AV_FAIL_ROLE; |
| start.hndl = p_scb->hndl; |
| start.initiator = initiator; |
| (*bta_av_cb.p_cback)(BTA_AV_START_EVT, (tBTA_AV*)&start); |
| return; |
| } |
| } |
| |
| if (!bta_av_link_role_ok(p_scb, A2DP_SET_ONE_BIT)) |
| p_scb->q_tag = BTA_AV_Q_TAG_START; |
| else { |
| /* The wait flag may be set here while we are already master on the link */ |
| /* this could happen if a role switch complete event occurred during |
| * reconfig */ |
| /* if we are now master on the link, there is no need to wait for the role |
| * switch, */ |
| /* complete anymore so we can clear the wait for role switch flag */ |
| p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_BITS; |
| } |
| |
| if (p_scb->wait & |
| (BTA_AV_WAIT_ROLE_SW_RES_OPEN | BTA_AV_WAIT_ROLE_SW_RES_START)) { |
| p_scb->wait |= BTA_AV_WAIT_ROLE_SW_STARTED; |
| p_scb->q_tag = BTA_AV_Q_TAG_START; |
| } |
| |
| if (p_scb->wait) { |
| APPL_TRACE_ERROR("%s: wait:x%x q_tag:%d- not started", __func__, |
| p_scb->wait, p_scb->q_tag); |
| /* Clear first bit of p_scb->wait and not to return from this point else |
| * HAL layer gets blocked. And if there is delay in Get Capability response |
| * as |
| * first bit of p_scb->wait is cleared hence it ensures bt_av_start_ok is |
| * not called |
| * again from bta_av_save_caps. |
| */ |
| p_scb->wait &= ~BTA_AV_WAIT_ACP_CAPS_ON; |
| } |
| |
| /* tell role manager to check M/S role */ |
| bta_sys_conn_open(BTA_ID_AV, p_scb->app_id, p_scb->peer_addr); |
| |
| bta_sys_busy(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->peer_addr); |
| |
| if (p_scb->media_type == AVDT_MEDIA_TYPE_AUDIO) { |
| /* in normal logic, conns should be bta_av_cb.audio_count - 1, |
| * However, bta_av_stream_chg is not called to increase |
| * bta_av_cb.audio_count yet. |
| * If the code were to be re-arranged for some reasons, this number may need |
| * to be changed |
| */ |
| p_scb->co_started = bta_av_cb.audio_open_cnt; |
| flush_to = p_bta_av_cfg->p_audio_flush_to[p_scb->co_started - 1]; |
| } else { |
| flush_to = p_bta_av_cfg->video_flush_to; |
| } |
| L2CA_SetFlushTimeout(p_scb->peer_addr, flush_to); |
| |
| /* clear the congestion flag */ |
| p_scb->cong = false; |
| |
| if (new_role & BTA_AV_ROLE_START_INT) { |
| new_role &= ~BTA_AV_ROLE_START_INT; |
| } else if ((new_role & BTA_AV_ROLE_AD_ACP) && |
| (new_role & BTA_AV_ROLE_SUSPEND_OPT)) { |
| suspend = true; |
| } |
| |
| if (!suspend) { |
| p_scb->q_tag = BTA_AV_Q_TAG_STREAM; |
| bta_av_stream_chg(p_scb, true); |
| } |
| |
| { |
| /* If sink starts stream, disable sniff mode here */ |
| if (!initiator) { |
| /* If souce is the master role, disable role switch during streaming. |
| * Otherwise allow role switch, if source is slave. |
| * Because it would not hurt source, if the peer device wants source to be |
| * master */ |
| if ((BTM_GetRole(p_scb->peer_addr, &cur_role) == BTM_SUCCESS) && |
| (cur_role == BTM_ROLE_MASTER)) { |
| policy |= HCI_ENABLE_MASTER_SLAVE_SWITCH; |
| } |
| |
| bta_sys_clear_policy(BTA_ID_AV, policy, p_scb->peer_addr); |
| } |
| |
| p_scb->role = new_role; |
| p_scb->role &= ~BTA_AV_ROLE_AD_ACP; |
| p_scb->role &= ~BTA_AV_ROLE_SUSPEND_OPT; |
| |
| p_scb->no_rtp_hdr = false; |
| p_scb->p_cos->start(p_scb->hndl, p_scb->cfg.codec_info, &p_scb->no_rtp_hdr); |
| p_scb->co_started = true; |
| |
| APPL_TRACE_DEBUG("%s: suspending: %d, role:x%x, init %d", __func__, suspend, |
| p_scb->role, initiator); |
| |
| start.suspending = suspend; |
| start.initiator = initiator; |
| start.chnl = p_scb->chnl; |
| start.status = BTA_AV_SUCCESS; |
| start.hndl = p_scb->hndl; |
| (*bta_av_cb.p_cback)(BTA_AV_START_EVT, (tBTA_AV*)&start); |
| |
| if (suspend) { |
| tBTA_AV_API_STOP stop; |
| p_scb->role |= BTA_AV_ROLE_SUSPEND; |
| p_scb->cong = true; /* do not allow the media data to go through */ |
| /* do not duplicate the media packets to this channel */ |
| p_scb->p_cos->stop(p_scb->hndl); |
| p_scb->co_started = false; |
| stop.flush = false; |
| stop.suspend = true; |
| stop.reconfig_stop = false; |
| bta_av_ssm_execute(p_scb, BTA_AV_AP_STOP_EVT, (tBTA_AV_DATA*)&stop); |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_start_failed |
| * |
| * Description Stream start failed. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_start_failed(tBTA_AV_SCB* p_scb, UNUSED_ATTR tBTA_AV_DATA* p_data) { |
| if (p_scb->started == false && p_scb->co_started == false) { |
| bta_sys_idle(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->peer_addr); |
| notify_start_failed(p_scb); |
| } |
| |
| bta_sys_set_policy(BTA_ID_AV, |
| (HCI_ENABLE_SNIFF_MODE | HCI_ENABLE_MASTER_SLAVE_SWITCH), |
| p_scb->peer_addr); |
| p_scb->sco_suspend = false; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_str_closed |
| * |
| * Description Stream closed. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_str_closed(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) { |
| tBTA_AV data; |
| tBTA_AV_EVT event; |
| uint8_t policy = HCI_ENABLE_SNIFF_MODE; |
| |
| if ((bta_av_cb.features & BTA_AV_FEAT_MASTER) == 0 || |
| bta_av_cb.audio_open_cnt == 1) |
| policy |= HCI_ENABLE_MASTER_SLAVE_SWITCH; |
| bta_sys_set_policy(BTA_ID_AV, policy, p_scb->peer_addr); |
| if (bta_av_cb.audio_open_cnt <= 1) { |
| /* last connection - restore the allow switch flag */ |
| L2CA_SetDesireRole(L2CAP_ROLE_ALLOW_SWITCH); |
| } |
| |
| if (p_scb->open_status) { |
| /* must be failure when opening the stream */ |
| data.open.bd_addr = p_scb->peer_addr; |
| data.open.status = p_scb->open_status; |
| data.open.chnl = p_scb->chnl; |
| data.open.hndl = p_scb->hndl; |
| |
| if (p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SRC) |
| data.open.sep = AVDT_TSEP_SNK; |
| else if (p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SNK) |
| data.open.sep = AVDT_TSEP_SRC; |
| |
| event = BTA_AV_OPEN_EVT; |
| p_scb->open_status = BTA_AV_SUCCESS; |
| |
| bta_sys_conn_close(BTA_ID_AV, p_scb->app_id, p_scb->peer_addr); |
| bta_av_cleanup(p_scb, p_data); |
| (*bta_av_cb.p_cback)(event, &data); |
| } else { |
| /* do stop if we were started */ |
| if (p_scb->co_started) { |
| bta_av_str_stopped(p_scb, NULL); |
| } |
| |
| { |
| p_scb->p_cos->close(p_scb->hndl); |
| data.close.chnl = p_scb->chnl; |
| data.close.hndl = p_scb->hndl; |
| event = BTA_AV_CLOSE_EVT; |
| |
| bta_sys_conn_close(BTA_ID_AV, p_scb->app_id, p_scb->peer_addr); |
| bta_av_cleanup(p_scb, p_data); |
| (*bta_av_cb.p_cback)(event, &data); |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_clr_cong |
| * |
| * Description Clear stream congestion flag. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_clr_cong(tBTA_AV_SCB* p_scb, UNUSED_ATTR tBTA_AV_DATA* p_data) { |
| if (p_scb->co_started) p_scb->cong = false; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_suspend_cfm |
| * |
| * Description process the suspend response |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_suspend_cfm(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) { |
| tBTA_AV_SUSPEND suspend_rsp; |
| uint8_t err_code = p_data->str_msg.msg.hdr.err_code; |
| uint8_t policy = HCI_ENABLE_SNIFF_MODE; |
| |
| APPL_TRACE_DEBUG("%s: audio_open_cnt = %d, err_code = %d", __func__, |
| bta_av_cb.audio_open_cnt, err_code); |
| |
| if (p_scb->started == false) { |
| /* handle the condition where there is a collision of SUSPEND req from |
| *either side |
| ** Second SUSPEND req could be rejected. Do not treat this as a failure |
| */ |
| APPL_TRACE_WARNING("%s: already suspended, ignore, err_code %d", __func__, |
| err_code); |
| return; |
| } |
| |
| suspend_rsp.status = BTA_AV_SUCCESS; |
| if (err_code && (err_code != AVDT_ERR_BAD_STATE)) { |
| /* Disable suspend feature only with explicit rejection(not with timeout) */ |
| if (err_code != AVDT_ERR_TIMEOUT) { |
| p_scb->suspend_sup = false; |
| } |
| suspend_rsp.status = BTA_AV_FAIL; |
| |
| APPL_TRACE_ERROR("%s: suspend failed, closing connection", __func__); |
| |
| /* SUSPEND failed. Close connection. */ |
| bta_av_ssm_execute(p_scb, BTA_AV_API_CLOSE_EVT, NULL); |
| } else { |
| /* only set started to false when suspend is successful */ |
| p_scb->started = false; |
| } |
| |
| if (p_scb->role & BTA_AV_ROLE_SUSPEND) { |
| p_scb->role &= ~BTA_AV_ROLE_SUSPEND; |
| p_scb->cong = false; |
| } |
| |
| bta_sys_idle(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->peer_addr); |
| if ((bta_av_cb.features & BTA_AV_FEAT_MASTER) == 0 || |
| bta_av_cb.audio_open_cnt == 1) |
| policy |= HCI_ENABLE_MASTER_SLAVE_SWITCH; |
| bta_sys_set_policy(BTA_ID_AV, policy, p_scb->peer_addr); |
| |
| /* in case that we received suspend_ind, we may need to call co_stop here */ |
| if (p_scb->co_started) { |
| /* TODO(eisenbach): RE-IMPLEMENT USING VSC OR HAL EXTENSION |
| vendor_get_interface()->send_command( |
| (vendor_opcode_t)BT_VND_OP_A2DP_OFFLOAD_STOP, (void*)&p_scb->l2c_cid); |
| if (p_scb->offload_start_pending) { |
| tBTA_AV_STATUS status = BTA_AV_FAIL_STREAM; |
| (*bta_av_cb.p_cback)(BTA_AV_OFFLOAD_START_RSP_EVT, (tBTA_AV*)&status); |
| } |
| p_scb->offload_start_pending = false; |
| */ |
| |
| bta_av_stream_chg(p_scb, false); |
| |
| { |
| p_scb->co_started = false; |
| p_scb->p_cos->stop(p_scb->hndl); |
| } |
| L2CA_SetFlushTimeout(p_scb->peer_addr, L2CAP_DEFAULT_FLUSH_TO); |
| } |
| |
| { |
| suspend_rsp.chnl = p_scb->chnl; |
| suspend_rsp.hndl = p_scb->hndl; |
| suspend_rsp.initiator = p_data->str_msg.initiator; |
| (*bta_av_cb.p_cback)(BTA_AV_SUSPEND_EVT, (tBTA_AV*)&suspend_rsp); |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_rcfg_str_ok |
| * |
| * Description report reconfigure successful |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_rcfg_str_ok(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) { |
| tBTA_AV_RECONFIG evt; |
| |
| p_scb->l2c_cid = AVDT_GetL2CapChannel(p_scb->avdt_handle); |
| APPL_TRACE_DEBUG("%s: l2c_cid: %d", __func__, p_scb->l2c_cid); |
| |
| if (p_data != NULL) { |
| // p_data could be NULL if the reconfig was triggered by the local device |
| p_scb->stream_mtu = |
| p_data->str_msg.msg.open_ind.peer_mtu - AVDT_MEDIA_HDR_SIZE; |
| uint16_t mtu = bta_av_chk_mtu(p_scb, p_scb->stream_mtu); |
| APPL_TRACE_DEBUG("%s: l2c_cid: 0x%x stream_mtu: %d mtu: %d", __func__, |
| p_scb->l2c_cid, p_scb->stream_mtu, mtu); |
| if (mtu == 0 || mtu > p_scb->stream_mtu) mtu = p_scb->stream_mtu; |
| p_scb->p_cos->update_mtu(p_scb->hndl, mtu); |
| } |
| |
| /* rc listen */ |
| bta_av_st_rc_timer(p_scb, NULL); |
| osi_free_and_reset((void**)&p_scb->p_cap); |
| |
| /* No need to keep the role bits once reconfig is done. */ |
| p_scb->role &= ~BTA_AV_ROLE_AD_ACP; |
| p_scb->role &= ~BTA_AV_ROLE_SUSPEND_OPT; |
| p_scb->role &= ~BTA_AV_ROLE_START_INT; |
| |
| { |
| /* reconfigure success */ |
| evt.status = BTA_AV_SUCCESS; |
| evt.chnl = p_scb->chnl; |
| evt.hndl = p_scb->hndl; |
| (*bta_av_cb.p_cback)(BTA_AV_RECONFIG_EVT, (tBTA_AV*)&evt); |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_rcfg_failed |
| * |
| * Description process reconfigure failed |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_rcfg_failed(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) { |
| tBTA_AV_RECONFIG evt; |
| |
| APPL_TRACE_DEBUG("%s: num_recfg: %d, conn_lcb:0x%x", __func__, |
| p_scb->num_recfg, bta_av_cb.conn_lcb); |
| if (p_scb->num_recfg > BTA_AV_RECONFIG_RETRY) { |
| bta_av_cco_close(p_scb, p_data); |
| /* report failure */ |
| evt.status = BTA_AV_FAIL_STREAM; |
| evt.chnl = p_scb->chnl; |
| evt.hndl = p_scb->hndl; |
| (*bta_av_cb.p_cback)(BTA_AV_RECONFIG_EVT, (tBTA_AV*)&evt); |
| /* go to closing state */ |
| bta_av_ssm_execute(p_scb, BTA_AV_API_CLOSE_EVT, NULL); |
| } else { |
| /* open failed. try again */ |
| p_scb->num_recfg++; |
| if (bta_av_cb.conn_lcb) { |
| AVDT_DisconnectReq(p_scb->peer_addr, bta_av_dt_cback[p_scb->hdi]); |
| } else { |
| bta_av_connect_req(p_scb, NULL); |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_rcfg_connect |
| * |
| * Description stream closed. reconnect the stream |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_rcfg_connect(tBTA_AV_SCB* p_scb, UNUSED_ATTR tBTA_AV_DATA* p_data) { |
| p_scb->cong = false; |
| p_scb->num_recfg++; |
| APPL_TRACE_DEBUG("%s: num_recfg: %d", __func__, p_scb->num_recfg); |
| if (p_scb->num_recfg > BTA_AV_RECONFIG_RETRY) { |
| /* let bta_av_rcfg_failed report fail */ |
| bta_av_rcfg_failed(p_scb, NULL); |
| } else |
| AVDT_ConnectReq(p_scb->peer_addr, p_scb->sec_mask, |
| bta_av_dt_cback[p_scb->hdi]); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_rcfg_discntd |
| * |
| * Description AVDT disconnected. reconnect the stream |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_rcfg_discntd(tBTA_AV_SCB* p_scb, UNUSED_ATTR tBTA_AV_DATA* p_data) { |
| tBTA_AV_RECONFIG evt; |
| |
| APPL_TRACE_DEBUG("%s: num_recfg: %d", __func__, p_scb->num_recfg); |
| p_scb->num_recfg++; |
| if (p_scb->num_recfg > BTA_AV_RECONFIG_RETRY) { |
| /* report failure */ |
| evt.status = BTA_AV_FAIL_STREAM; |
| evt.chnl = p_scb->chnl; |
| evt.hndl = p_scb->hndl; |
| (*bta_av_cb.p_cback)(BTA_AV_RECONFIG_EVT, (tBTA_AV*)&evt); |
| /* report close event & go to init state */ |
| bta_av_ssm_execute(p_scb, BTA_AV_STR_DISC_FAIL_EVT, NULL); |
| } else |
| AVDT_ConnectReq(p_scb->peer_addr, p_scb->sec_mask, |
| bta_av_dt_cback[p_scb->hdi]); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_suspend_cont |
| * |
| * Description received the suspend response. |
| * continue to reconfigure the stream |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_suspend_cont(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) { |
| uint8_t err_code = p_data->str_msg.msg.hdr.err_code; |
| tBTA_AV_RECONFIG evt; |
| |
| p_scb->started = false; |
| p_scb->cong = false; |
| if (err_code) { |
| if (AVDT_ERR_CONNECT == err_code) { |
| /* report failure */ |
| evt.status = BTA_AV_FAIL; |
| (*bta_av_cb.p_cback)(BTA_AV_RECONFIG_EVT, (tBTA_AV*)&evt); |
| bta_av_ssm_execute(p_scb, BTA_AV_STR_DISC_FAIL_EVT, NULL); |
| } else { |
| APPL_TRACE_ERROR("%s: suspend rejected, try close", __func__); |
| /* Disable suspend feature only with explicit rejection(not with timeout) |
| */ |
| if (err_code != AVDT_ERR_TIMEOUT) { |
| p_scb->suspend_sup = false; |
| } |
| /* drop the buffers queued in L2CAP */ |
| L2CA_FlushChannel(p_scb->l2c_cid, L2CAP_FLUSH_CHANS_ALL); |
| |
| AVDT_CloseReq(p_scb->avdt_handle); |
| } |
| } else { |
| APPL_TRACE_DEBUG("%s: calling AVDT_ReconfigReq", __func__); |
| /* reconfig the stream */ |
| |
| AVDT_ReconfigReq(p_scb->avdt_handle, p_scb->p_cap); |
| p_scb->p_cap->psc_mask = p_scb->cur_psc_mask; |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_rcfg_cfm |
| * |
| * Description if reconfigure is successful, report the event |
| * otherwise, close the stream. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_rcfg_cfm(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) { |
| uint8_t err_code = p_data->str_msg.msg.hdr.err_code; |
| |
| APPL_TRACE_DEBUG("%s: err_code = %d", __func__, err_code); |
| |
| // Disable AVDTP RECONFIGURE for blacklisted devices |
| bool disable_avdtp_reconfigure = false; |
| { |
| char remote_name[BTM_MAX_REM_BD_NAME_LEN] = ""; |
| if (btif_storage_get_stored_remote_name(p_scb->peer_addr, remote_name)) { |
| if (interop_match_name(INTEROP_DISABLE_AVDTP_RECONFIGURE, remote_name) || |
| interop_match_addr(INTEROP_DISABLE_AVDTP_RECONFIGURE, |
| (const RawAddress*)&p_scb->peer_addr)) { |
| VLOG(1) << __func__ << ": disable AVDTP RECONFIGURE: interop matched " |
| "name " |
| << remote_name << " address " << p_scb->peer_addr; |
| disable_avdtp_reconfigure = true; |
| } |
| } |
| } |
| |
| if ((err_code != 0) || disable_avdtp_reconfigure) { |
| APPL_TRACE_ERROR("%s: reconfig rejected, try close", __func__); |
| /* Disable reconfiguration feature only with explicit rejection(not with |
| * timeout) */ |
| if ((err_code != AVDT_ERR_TIMEOUT) || disable_avdtp_reconfigure) { |
| p_scb->recfg_sup = false; |
| } |
| /* started flag is false when reconfigure command is sent */ |
| /* drop the buffers queued in L2CAP */ |
| L2CA_FlushChannel(p_scb->l2c_cid, L2CAP_FLUSH_CHANS_ALL); |
| AVDT_CloseReq(p_scb->avdt_handle); |
| } else { |
| /* update the codec info after rcfg cfm */ |
| APPL_TRACE_DEBUG( |
| "%s: updating from codec %s to codec %s", __func__, |
| A2DP_CodecName(p_scb->cfg.codec_info), |
| A2DP_CodecName(p_data->str_msg.msg.reconfig_cfm.p_cfg->codec_info)); |
| memcpy(p_scb->cfg.codec_info, |
| p_data->str_msg.msg.reconfig_cfm.p_cfg->codec_info, AVDT_CODEC_SIZE); |
| /* take the SSM back to OPEN state */ |
| bta_av_ssm_execute(p_scb, BTA_AV_STR_OPEN_OK_EVT, NULL); |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_rcfg_open |
| * |
| * Description AVDT is connected. open the stream with the new |
| * configuration |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_rcfg_open(tBTA_AV_SCB* p_scb, UNUSED_ATTR tBTA_AV_DATA* p_data) { |
| APPL_TRACE_DEBUG("%s: num_disc_snks = %d", __func__, p_scb->num_disc_snks); |
| |
| if (p_scb->num_disc_snks == 0) { |
| /* Need to update call-out module so that it will be ready for discover */ |
| p_scb->p_cos->stop(p_scb->hndl); |
| |
| /* send avdtp discover request */ |
| AVDT_DiscoverReq(p_scb->peer_addr, p_scb->sep_info, BTA_AV_NUM_SEPS, |
| bta_av_dt_cback[p_scb->hdi]); |
| } else { |
| memcpy(p_scb->cfg.codec_info, p_scb->p_cap->codec_info, AVDT_CODEC_SIZE); |
| /* we may choose to use a different SEP at reconfig. |
| * adjust the sep_idx now */ |
| bta_av_adjust_seps_idx(p_scb, bta_av_get_scb_handle(p_scb, AVDT_TSEP_SRC)); |
| |
| /* open the stream with the new config */ |
| p_scb->sep_info_idx = p_scb->rcfg_idx; |
| AVDT_OpenReq(p_scb->avdt_handle, p_scb->peer_addr, |
| p_scb->sep_info[p_scb->sep_info_idx].seid, p_scb->p_cap); |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_security_rej |
| * |
| * Description Send an AVDTP security reject. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_security_rej(tBTA_AV_SCB* p_scb, UNUSED_ATTR tBTA_AV_DATA* p_data) { |
| AVDT_SecurityRsp(p_scb->avdt_handle, p_scb->avdt_label, AVDT_ERR_BAD_STATE, |
| NULL, 0); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_chk_2nd_start |
| * |
| * Description check if this is 2nd stream and if it needs to be started. |
| * This function needs to be kept very similar to |
| * bta_av_chk_start |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_chk_2nd_start(tBTA_AV_SCB* p_scb, |
| UNUSED_ATTR tBTA_AV_DATA* p_data) { |
| tBTA_AV_SCB* p_scbi; |
| int i; |
| bool new_started = false; |
| |
| if ((p_scb->chnl == BTA_AV_CHNL_AUDIO) && (bta_av_cb.audio_open_cnt >= 2)) { |
| /* more than one audio channel is connected */ |
| if (!(p_scb->role & BTA_AV_ROLE_SUSPEND_OPT)) { |
| /* this channel does not need to be reconfigured. |
| * if there is other channel streaming, start the stream now */ |
| for (i = 0; i < BTA_AV_NUM_STRS; i++) { |
| p_scbi = bta_av_cb.p_scb[i]; |
| if (p_scbi && p_scbi->chnl == BTA_AV_CHNL_AUDIO && p_scbi->co_started) { |
| if (!new_started) { |
| /* start the new stream */ |
| new_started = true; |
| bta_av_ssm_execute(p_scb, BTA_AV_AP_START_EVT, NULL); |
| } |
| /* may need to update the flush timeout of this already started stream |
| */ |
| if (p_scbi->co_started != bta_av_cb.audio_open_cnt) { |
| p_scbi->co_started = bta_av_cb.audio_open_cnt; |
| L2CA_SetFlushTimeout( |
| p_scbi->peer_addr, |
| p_bta_av_cfg->p_audio_flush_to[p_scbi->co_started - 1]); |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_open_rc |
| * |
| * Description Send a message to main SM to open RC channel. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_open_rc(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) { |
| tBTA_AV_START start; |
| |
| APPL_TRACE_DEBUG("%s: use_rc: %d, wait: x%x role:x%x", __func__, |
| p_scb->use_rc, p_scb->wait, p_scb->role); |
| if ((p_scb->wait & BTA_AV_WAIT_ROLE_SW_BITS) && |
| (p_scb->q_tag == BTA_AV_Q_TAG_START)) { |
| /* waiting for role switch for some reason & the timer expires */ |
| if (!bta_av_link_role_ok(p_scb, A2DP_SET_ONE_BIT)) { |
| APPL_TRACE_ERROR( |
| "%s: failed to start streaming for role management reasons!!", |
| __func__); |
| alarm_cancel(p_scb->avrc_ct_timer); |
| start.chnl = p_scb->chnl; |
| start.status = BTA_AV_FAIL_ROLE; |
| start.initiator = true; |
| start.hndl = p_scb->hndl; |
| p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_BITS; |
| bta_av_cb.rs_idx = 0; |
| (*bta_av_cb.p_cback)(BTA_AV_START_EVT, (tBTA_AV*)&start); |
| } else { |
| /* role switch is done. continue to start streaming */ |
| bta_av_cb.rs_idx = 0; |
| p_data->hdr.offset = BTA_AV_RS_OK; |
| bta_av_start_ok(p_scb, p_data); |
| } |
| return; |
| } |
| |
| if (p_scb->use_rc == true || (p_scb->role & BTA_AV_ROLE_AD_ACP)) { |
| if (bta_av_cb.disc) { |
| /* AVRC discover db is in use */ |
| if (p_scb->rc_handle == BTA_AV_RC_HANDLE_NONE) { |
| /* AVRC channel is not connected. delay a little bit */ |
| if ((p_scb->wait & BTA_AV_WAIT_ROLE_SW_BITS) == 0) { |
| bta_sys_start_timer(p_scb->avrc_ct_timer, BTA_AV_RC_DISC_TIME_VAL, |
| BTA_AV_AVRC_TIMER_EVT, p_scb->hndl); |
| } else { |
| p_scb->wait |= BTA_AV_WAIT_CHECK_RC; |
| } |
| } |
| } else { |
| /* use main SM for AVRC SDP activities */ |
| bta_av_rc_disc((uint8_t)(p_scb->hdi + 1)); |
| } |
| } else { |
| if (BTA_AV_RC_HANDLE_NONE != p_scb->rc_handle) { |
| /* the open API said that this handle does not want a RC connection. |
| * disconnect it now */ |
| AVRC_Close(p_scb->rc_handle); |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_open_at_inc |
| * |
| * Description This function is called if API open is called by application |
| * while state-machine is at incoming state. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_open_at_inc(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) { |
| memcpy(&(p_scb->open_api), &(p_data->api_open), sizeof(tBTA_AV_API_OPEN)); |
| |
| if (p_scb->coll_mask & BTA_AV_COLL_INC_TMR) { |
| p_scb->coll_mask |= BTA_AV_COLL_API_CALLED; |
| |
| /* API open will be handled at timeout if SNK did not start signalling. */ |
| /* API open will be ignored if SNK starts signalling. */ |
| } else { |
| /* SNK did not start signalling, API was called N seconds timeout. */ |
| /* We need to switch to INIT state and start opening connection. */ |
| p_scb->coll_mask = 0; |
| bta_av_set_scb_sst_init(p_scb); |
| |
| tBTA_AV_API_OPEN* p_buf = |
| (tBTA_AV_API_OPEN*)osi_malloc(sizeof(tBTA_AV_API_OPEN)); |
| memcpy(p_buf, &(p_scb->open_api), sizeof(tBTA_AV_API_OPEN)); |
| p_scb->skip_sdp = true; |
| bta_sys_sendmsg(p_buf); |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_offload_req |
| * |
| * Description This function is called if application requests offload of |
| * a2dp audio. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_offload_req(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) { |
| tBTA_AV_STATUS status = BTA_AV_FAIL_RESOURCES; |
| |
| APPL_TRACE_DEBUG("%s: stream %s, audio channels open %d", __func__, |
| p_scb->started ? "STARTED" : "STOPPED", |
| bta_av_cb.audio_open_cnt); |
| |
| /* Check if stream has already been started. */ |
| /* Support offload if only one audio source stream is open. */ |
| if (p_scb->started != true) { |
| status = BTA_AV_FAIL_STREAM; |
| } |
| |
| /* TODO(eisenbach): RE-IMPLEMENT USING VSC OR HAL EXTENSION |
| uint16_t mtu = bta_av_chk_mtu(p_scb, p_scb->stream_mtu); |
| else if (bta_av_cb.audio_open_cnt == 1 && |
| p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SRC && |
| p_scb->chnl == BTA_AV_CHNL_AUDIO) { |
| bt_vendor_op_a2dp_offload_t a2dp_offload_start; |
| |
| if (L2CA_GetConnectionConfig( |
| p_scb->l2c_cid, &a2dp_offload_start.acl_data_size, |
| &a2dp_offload_start.remote_cid, &a2dp_offload_start.lm_handle)) { |
| APPL_TRACE_DEBUG("%s: l2cmtu %d lcid 0x%02X rcid 0x%02X lm_handle |
| 0x%02X", |
| __func__, a2dp_offload_start.acl_data_size, |
| p_scb->l2c_cid, a2dp_offload_start.remote_cid, |
| a2dp_offload_start.lm_handle); |
| |
| a2dp_offload_start.bta_av_handle = p_scb->hndl; |
| a2dp_offload_start.xmit_quota = BTA_AV_A2DP_OFFLOAD_XMIT_QUOTA; |
| a2dp_offload_start.stream_mtu = |
| (mtu < p_scb->stream_mtu) ? mtu : p_scb->stream_mtu; |
| a2dp_offload_start.local_cid = p_scb->l2c_cid; |
| a2dp_offload_start.is_flushable = true; |
| a2dp_offload_start.stream_source = |
| ((uint32_t)(p_scb->cfg.codec_info[1] | p_scb->cfg.codec_info[2])); |
| |
| memcpy(a2dp_offload_start.codec_info, p_scb->cfg.codec_info, |
| sizeof(a2dp_offload_start.codec_info)); |
| |
| if (!vendor_get_interface()->send_command( |
| (vendor_opcode_t)BT_VND_OP_A2DP_OFFLOAD_START, |
| &a2dp_offload_start)) { |
| status = BTA_AV_SUCCESS; |
| p_scb->offload_start_pending = true; |
| } |
| } |
| } |
| */ |
| if (status != BTA_AV_SUCCESS) |
| (*bta_av_cb.p_cback)(BTA_AV_OFFLOAD_START_RSP_EVT, (tBTA_AV*)&status); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_offload_rsp |
| * |
| * Description This function is called when the vendor lib responds to |
| * BT_VND_OP_A2DP_OFFLOAD_START. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_offload_rsp(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) { |
| tBTA_AV_STATUS status = p_data->api_status_rsp.status; |
| |
| APPL_TRACE_DEBUG("%s: stream %s status %s", __func__, |
| p_scb->started ? "STARTED" : "STOPPED", |
| status ? "FAIL" : "SUCCESS"); |
| |
| /* Check if stream has already been started. */ |
| if (status == BTA_AV_SUCCESS && p_scb->started != true) { |
| status = BTA_AV_FAIL_STREAM; |
| } |
| |
| p_scb->offload_start_pending = false; |
| (*bta_av_cb.p_cback)(BTA_AV_OFFLOAD_START_RSP_EVT, (tBTA_AV*)&status); |
| } |