| /****************************************************************************** |
| * |
| * Copyright 2004-2016 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 main state |
| * machine. |
| * |
| ******************************************************************************/ |
| |
| #define LOG_TAG "bt_bta_av" |
| |
| #include <cstdint> |
| |
| #include "bta/av/bta_av_int.h" |
| #include "bta/include/bta_ar_api.h" |
| #include "bta/include/utl.h" |
| #include "btif/avrcp/avrcp_service.h" |
| #include "device/include/device_iot_config.h" |
| #include "device/include/interop.h" |
| #include "internal_include/bt_target.h" |
| #include "osi/include/allocator.h" |
| #include "osi/include/osi.h" // UNUSED_ATTR |
| #include "osi/include/properties.h" |
| #include "stack/include/acl_api.h" |
| #include "stack/include/bt_hdr.h" |
| #include "stack/include/bt_types.h" |
| #include "stack/include/bt_uuid16.h" |
| #include "stack/include/l2c_api.h" |
| #include "stack/include/sdp_api.h" |
| #include "types/raw_address.h" |
| |
| using namespace bluetooth::legacy::stack::sdp; |
| |
| /***************************************************************************** |
| * Constants |
| ****************************************************************************/ |
| /* the timeout to wait for open req after setconfig for incoming connections */ |
| #ifndef BTA_AV_SIGNALLING_TIMEOUT_MS |
| #define BTA_AV_SIGNALLING_TIMEOUT_MS (8 * 1000) /* 8 seconds */ |
| #endif |
| |
| /* Time to wait for signalling from SNK when it is initiated from SNK. */ |
| /* If not, we will start signalling from SRC. */ |
| #ifndef BTA_AV_ACCEPT_SIGNALLING_TIMEOUT_MS |
| #define BTA_AV_ACCEPT_SIGNALLING_TIMEOUT_MS (2 * 1000) /* 2 seconds */ |
| #endif |
| |
| static void bta_av_accept_signalling_timer_cback(void* data); |
| |
| #ifndef AVRC_MIN_META_CMD_LEN |
| #define AVRC_MIN_META_CMD_LEN 20 |
| #endif |
| |
| extern bool btif_av_is_source_enabled(void); |
| extern bool btif_av_both_enable(void); |
| extern bool btif_av_src_sink_coexist_enabled(void); |
| extern bool btif_av_is_sink_enabled(void); |
| extern bool btif_av_peer_is_connected_sink(const RawAddress& peer_address); |
| extern const RawAddress& btif_av_find_by_handle(tBTA_AV_HNDL bta_handle); |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_get_rcb_by_shdl |
| * |
| * Description find the RCB associated with the given SCB handle. |
| * |
| * Returns tBTA_AV_RCB |
| * |
| ******************************************************************************/ |
| tBTA_AV_RCB* bta_av_get_rcb_by_shdl(uint8_t shdl) { |
| tBTA_AV_RCB* p_rcb = NULL; |
| int i; |
| |
| for (i = 0; i < BTA_AV_NUM_RCB; i++) { |
| if (bta_av_cb.rcb[i].shdl == shdl && |
| bta_av_cb.rcb[i].handle != BTA_AV_RC_HANDLE_NONE) { |
| p_rcb = &bta_av_cb.rcb[i]; |
| break; |
| } |
| } |
| return p_rcb; |
| } |
| #define BTA_AV_STS_NO_RSP 0xFF /* a number not used by tAVRC_STS */ |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_del_rc |
| * |
| * Description delete the given AVRC handle. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_del_rc(tBTA_AV_RCB* p_rcb) { |
| tBTA_AV_SCB* p_scb; |
| uint8_t rc_handle; /* connected AVRCP handle */ |
| |
| p_scb = NULL; |
| if (p_rcb->handle != BTA_AV_RC_HANDLE_NONE) { |
| if (p_rcb->shdl) { |
| /* Validate array index*/ |
| if ((p_rcb->shdl - 1) < BTA_AV_NUM_STRS) { |
| p_scb = bta_av_cb.p_scb[p_rcb->shdl - 1]; |
| } |
| if (p_scb) { |
| LOG_VERBOSE("%s: shdl:%d, srch:%d rc_handle:%d", __func__, p_rcb->shdl, |
| p_scb->rc_handle, p_rcb->handle); |
| if (p_scb->rc_handle == p_rcb->handle) |
| p_scb->rc_handle = BTA_AV_RC_HANDLE_NONE; |
| /* just in case the RC timer is active |
| if (bta_av_cb.features & BTA_AV_FEAT_RCCT && p_scb->chnl == |
| BTA_AV_CHNL_AUDIO) */ |
| alarm_cancel(p_scb->avrc_ct_timer); |
| } |
| } |
| |
| LOG_VERBOSE("%s: handle: %d status=0x%x, rc_acp_handle:%d, idx:%d", |
| __func__, p_rcb->handle, p_rcb->status, bta_av_cb.rc_acp_handle, |
| bta_av_cb.rc_acp_idx); |
| rc_handle = p_rcb->handle; |
| if (!(p_rcb->status & BTA_AV_RC_CONN_MASK) || |
| ((p_rcb->status & BTA_AV_RC_ROLE_MASK) == BTA_AV_RC_ROLE_INT)) { |
| p_rcb->status = 0; |
| p_rcb->handle = BTA_AV_RC_HANDLE_NONE; |
| p_rcb->shdl = 0; |
| p_rcb->lidx = 0; |
| } |
| /* else ACP && connected. do not clear the handle yet */ |
| AVRC_Close(rc_handle); |
| if (rc_handle == bta_av_cb.rc_acp_handle) |
| bta_av_cb.rc_acp_handle = BTA_AV_RC_HANDLE_NONE; |
| LOG_VERBOSE( |
| "%s: end del_rc handle: %d status=0x%x, rc_acp_handle:%d, lidx:%d", |
| __func__, p_rcb->handle, p_rcb->status, bta_av_cb.rc_acp_handle, |
| p_rcb->lidx); |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_close_all_rc |
| * |
| * Description close the all AVRC handle. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| static void bta_av_close_all_rc(tBTA_AV_CB* p_cb) { |
| int i; |
| |
| for (i = 0; i < BTA_AV_NUM_RCB; i++) { |
| if ((p_cb->disabling) || (bta_av_cb.rcb[i].shdl != 0)) |
| bta_av_del_rc(&bta_av_cb.rcb[i]); |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_del_sdp_rec |
| * |
| * Description delete the given SDP record handle. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| static void bta_av_del_sdp_rec(uint32_t* p_sdp_handle) { |
| if (*p_sdp_handle != 0) { |
| get_legacy_stack_sdp_api()->handle.SDP_DeleteRecord(*p_sdp_handle); |
| *p_sdp_handle = 0; |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_avrc_sdp_cback |
| * |
| * Description AVRCP service discovery callback. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| static void bta_av_avrc_sdp_cback(UNUSED_ATTR uint16_t status) { |
| BT_HDR_RIGID* p_msg = (BT_HDR_RIGID*)osi_malloc(sizeof(BT_HDR_RIGID)); |
| |
| p_msg->event = BTA_AV_SDP_AVRC_DISC_EVT; |
| |
| bta_sys_sendmsg(p_msg); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_rc_ctrl_cback |
| * |
| * Description AVRCP control callback. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| static void bta_av_rc_ctrl_cback(uint8_t handle, uint8_t event, |
| UNUSED_ATTR uint16_t result, |
| const RawAddress* peer_addr) { |
| uint16_t msg_event = 0; |
| |
| if (btif_av_both_enable() && peer_addr != NULL && |
| btif_av_peer_is_connected_sink(*peer_addr)) { |
| LOG_WARN("%s: not cback legacy cback, and close the handle", __func__); |
| |
| if (event == AVRC_CLOSE_IND_EVT || event == AVRC_OPEN_IND_EVT) { |
| LOG_VERBOSE("%s: resend close event", __func__); |
| tBTA_AV_RC_CONN_CHG* p_msg = |
| (tBTA_AV_RC_CONN_CHG*)osi_malloc(sizeof(tBTA_AV_RC_CONN_CHG)); |
| p_msg->hdr.event = BTA_AV_AVRC_CLOSE_EVT; |
| p_msg->handle = handle; |
| p_msg->peer_addr = *peer_addr; |
| bta_sys_sendmsg(p_msg); |
| } |
| return; |
| } |
| |
| LOG_VERBOSE("%s: handle: %d event=0x%x", __func__, handle, event); |
| if (event == AVRC_OPEN_IND_EVT) { |
| /* save handle of opened connection |
| bta_av_cb.rc_handle = handle;*/ |
| |
| msg_event = BTA_AV_AVRC_OPEN_EVT; |
| } else if (event == AVRC_CLOSE_IND_EVT) { |
| msg_event = BTA_AV_AVRC_CLOSE_EVT; |
| } else if (event == AVRC_BROWSE_OPEN_IND_EVT) { |
| msg_event = BTA_AV_AVRC_BROWSE_OPEN_EVT; |
| } else if (event == AVRC_BROWSE_CLOSE_IND_EVT) { |
| msg_event = BTA_AV_AVRC_BROWSE_CLOSE_EVT; |
| } |
| |
| if (msg_event) { |
| tBTA_AV_RC_CONN_CHG* p_msg = |
| (tBTA_AV_RC_CONN_CHG*)osi_malloc(sizeof(tBTA_AV_RC_CONN_CHG)); |
| p_msg->hdr.event = msg_event; |
| p_msg->handle = handle; |
| p_msg->peer_addr = (peer_addr) ? (*peer_addr) : RawAddress::kEmpty; |
| bta_sys_sendmsg(p_msg); |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_rc_msg_cback |
| * |
| * Description AVRCP message callback. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| static void bta_av_rc_msg_cback(uint8_t handle, uint8_t label, uint8_t opcode, |
| tAVRC_MSG* p_msg) { |
| uint8_t* p_data_src = NULL; |
| uint16_t data_len = 0; |
| |
| LOG_VERBOSE("%s: handle: %u opcode=0x%x", __func__, handle, opcode); |
| |
| /* Copy avrc packet into BTA message buffer (for sending to BTA state machine) |
| */ |
| |
| /* Get size of payload data (for vendor and passthrough messages only; for |
| * browsing |
| * messages, use zero-copy) */ |
| if (opcode == AVRC_OP_VENDOR && p_msg->vendor.p_vendor_data != NULL) { |
| p_data_src = p_msg->vendor.p_vendor_data; |
| data_len = (uint16_t)p_msg->vendor.vendor_len; |
| } else if (opcode == AVRC_OP_PASS_THRU && p_msg->pass.p_pass_data != NULL) { |
| p_data_src = p_msg->pass.p_pass_data; |
| data_len = (uint16_t)p_msg->pass.pass_len; |
| } |
| |
| /* Create a copy of the message */ |
| tBTA_AV_RC_MSG* p_buf = |
| (tBTA_AV_RC_MSG*)osi_malloc(sizeof(tBTA_AV_RC_MSG) + data_len); |
| |
| p_buf->hdr.event = BTA_AV_AVRC_MSG_EVT; |
| p_buf->handle = handle; |
| p_buf->label = label; |
| p_buf->opcode = opcode; |
| memcpy(&p_buf->msg, p_msg, sizeof(tAVRC_MSG)); |
| /* Copy the data payload, and set the pointer to it */ |
| if (p_data_src != NULL) { |
| uint8_t* p_data_dst = (uint8_t*)(p_buf + 1); |
| memcpy(p_data_dst, p_data_src, data_len); |
| |
| /* Update bta message buffer to point to payload data */ |
| /* (Note AVRC_OP_BROWSING uses zero-copy: p_buf->msg.browse.p_browse_data |
| * already points to original avrc buffer) */ |
| if (opcode == AVRC_OP_VENDOR) |
| p_buf->msg.vendor.p_vendor_data = p_data_dst; |
| else if (opcode == AVRC_OP_PASS_THRU) |
| p_buf->msg.pass.p_pass_data = p_data_dst; |
| } |
| |
| if (opcode == AVRC_OP_BROWSE) { |
| /* set p_pkt to NULL, so avrc would not free the buffer */ |
| p_msg->browse.p_browse_pkt = NULL; |
| } |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_rc_create |
| * |
| * Description alloc RCB and call AVRC_Open |
| * |
| * Returns the created rc handle |
| * |
| ******************************************************************************/ |
| uint8_t bta_av_rc_create(tBTA_AV_CB* p_cb, uint8_t role, uint8_t shdl, |
| uint8_t lidx) { |
| if ((!btif_av_src_sink_coexist_enabled() || |
| (btif_av_src_sink_coexist_enabled() && !btif_av_is_sink_enabled() && |
| btif_av_is_source_enabled())) && |
| is_new_avrcp_enabled()) { |
| LOG_INFO("Skipping RC creation for the old AVRCP profile"); |
| return BTA_AV_RC_HANDLE_NONE; |
| } |
| |
| tAVRC_CONN_CB ccb; |
| RawAddress bda = RawAddress::kAny; |
| uint8_t status = BTA_AV_RC_ROLE_ACP; |
| int i; |
| uint8_t rc_handle; |
| tBTA_AV_RCB* p_rcb; |
| |
| if (role == AVCT_INT) { |
| // Can't grab a stream control block that doesn't have a valid handle |
| if (!shdl) { |
| LOG_ERROR( |
| "%s: Can't grab stream control block for shdl = %d -> index = %d", |
| __func__, shdl, shdl - 1); |
| return BTA_AV_RC_HANDLE_NONE; |
| } |
| tBTA_AV_SCB* p_scb = p_cb->p_scb[shdl - 1]; |
| bda = p_scb->PeerAddress(); |
| status = BTA_AV_RC_ROLE_INT; |
| DEVICE_IOT_CONFIG_ADDR_INT_ADD_ONE(p_scb->PeerAddress(), |
| IOT_CONF_KEY_AVRCP_CONN_COUNT); |
| |
| } else { |
| p_rcb = bta_av_get_rcb_by_shdl(shdl); |
| if (p_rcb != NULL) { |
| LOG_ERROR("%s: ACP handle exist for shdl:%d", __func__, shdl); |
| p_rcb->lidx = lidx; |
| return p_rcb->handle; |
| } |
| } |
| |
| ccb.ctrl_cback = base::Bind(bta_av_rc_ctrl_cback); |
| ccb.msg_cback = base::Bind(bta_av_rc_msg_cback); |
| ccb.company_id = p_bta_av_cfg->company_id; |
| ccb.conn = role; |
| /* note: BTA_AV_FEAT_RCTG = AVRC_CT_TARGET, BTA_AV_FEAT_RCCT = AVRC_CT_CONTROL |
| */ |
| ccb.control = p_cb->features & (BTA_AV_FEAT_RCTG | BTA_AV_FEAT_RCCT | |
| BTA_AV_FEAT_METADATA | AVRC_CT_PASSIVE); |
| |
| if (AVRC_Open(&rc_handle, &ccb, bda) != AVRC_SUCCESS) { |
| DEVICE_IOT_CONFIG_ADDR_INT_ADD_ONE(bda, IOT_CONF_KEY_AVRCP_CONN_FAIL_COUNT); |
| return BTA_AV_RC_HANDLE_NONE; |
| } |
| |
| i = rc_handle; |
| p_rcb = &p_cb->rcb[i]; |
| |
| if (p_rcb->handle != BTA_AV_RC_HANDLE_NONE) { |
| LOG_ERROR("%s: found duplicated handle:%d", __func__, rc_handle); |
| } |
| |
| p_rcb->handle = rc_handle; |
| p_rcb->status = status; |
| p_rcb->shdl = shdl; |
| p_rcb->lidx = lidx; |
| p_rcb->peer_features = 0; |
| p_rcb->peer_ct_features = 0; |
| p_rcb->peer_tg_features = 0; |
| p_rcb->cover_art_psm = 0; |
| if (lidx == (BTA_AV_NUM_LINKS + 1)) { |
| /* this LIDX is reserved for the AVRCP ACP connection */ |
| p_cb->rc_acp_handle = p_rcb->handle; |
| p_cb->rc_acp_idx = (i + 1); |
| LOG_VERBOSE("%s: rc_acp_handle:%d idx:%d", __func__, p_cb->rc_acp_handle, |
| p_cb->rc_acp_idx); |
| } |
| LOG_VERBOSE( |
| "%s: create %d, role: %d, shdl:%d, rc_handle:%d, lidx:%d, status:0x%x", |
| __func__, i, role, shdl, p_rcb->handle, lidx, p_rcb->status); |
| |
| return rc_handle; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_valid_group_navi_msg |
| * |
| * Description Check if it is Group Navigation Msg for Metadata |
| * |
| * Returns AVRC_RSP_ACCEPT or AVRC_RSP_NOT_IMPL |
| * |
| ******************************************************************************/ |
| static tBTA_AV_CODE bta_av_group_navi_supported(uint8_t len, uint8_t* p_data, |
| bool is_inquiry) { |
| tBTA_AV_CODE ret = AVRC_RSP_NOT_IMPL; |
| uint8_t* p_ptr = p_data; |
| uint16_t u16; |
| uint32_t u32; |
| |
| if (p_bta_av_cfg->avrc_group && len == BTA_GROUP_NAVI_MSG_OP_DATA_LEN) { |
| BTA_AV_BE_STREAM_TO_CO_ID(u32, p_ptr); |
| BE_STREAM_TO_UINT16(u16, p_ptr); |
| |
| if (u32 == AVRC_CO_METADATA) { |
| if (is_inquiry) { |
| if (u16 <= AVRC_PDU_PREV_GROUP) ret = AVRC_RSP_IMPL_STBL; |
| } else { |
| if (u16 <= AVRC_PDU_PREV_GROUP) |
| ret = AVRC_RSP_ACCEPT; |
| else |
| ret = AVRC_RSP_REJ; |
| } |
| } |
| } |
| |
| return ret; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_op_supported |
| * |
| * Description Check if remote control operation is supported. |
| * |
| * Returns AVRC_RSP_ACCEPT of supported, AVRC_RSP_NOT_IMPL if not. |
| * |
| ******************************************************************************/ |
| static tBTA_AV_CODE bta_av_op_supported(tBTA_AV_RC rc_id, bool is_inquiry) { |
| tBTA_AV_CODE ret_code = AVRC_RSP_NOT_IMPL; |
| |
| if (p_bta_av_rc_id) { |
| if (is_inquiry) { |
| if (p_bta_av_rc_id[rc_id >> 4] & (1 << (rc_id & 0x0F))) { |
| ret_code = AVRC_RSP_IMPL_STBL; |
| } |
| } else { |
| if (p_bta_av_rc_id[rc_id >> 4] & (1 << (rc_id & 0x0F))) { |
| ret_code = AVRC_RSP_ACCEPT; |
| } else if ((p_bta_av_cfg->rc_pass_rsp == AVRC_RSP_INTERIM) && |
| p_bta_av_rc_id_ac) { |
| if (p_bta_av_rc_id_ac[rc_id >> 4] & (1 << (rc_id & 0x0F))) { |
| ret_code = AVRC_RSP_INTERIM; |
| } |
| } |
| } |
| } |
| return ret_code; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_find_lcb |
| * |
| * Description Given BD_addr, find the associated LCB. |
| * |
| * Returns NULL, if not found. |
| * |
| ******************************************************************************/ |
| tBTA_AV_LCB* bta_av_find_lcb(const RawAddress& addr, uint8_t op) { |
| tBTA_AV_CB* p_cb = &bta_av_cb; |
| int xx; |
| uint8_t mask; |
| tBTA_AV_LCB* p_lcb = NULL; |
| |
| LOG_VERBOSE("%s: address: %s op:%d", __func__, ADDRESS_TO_LOGGABLE_CSTR(addr), |
| op); |
| for (xx = 0; xx < BTA_AV_NUM_LINKS; xx++) { |
| mask = 1 << xx; /* the used mask for this lcb */ |
| if ((mask & p_cb->conn_lcb) && p_cb->lcb[xx].addr == addr) { |
| p_lcb = &p_cb->lcb[xx]; |
| if (op == BTA_AV_LCB_FREE) { |
| p_cb->conn_lcb &= ~mask; /* clear the connect mask */ |
| LOG_VERBOSE("%s: conn_lcb: 0x%x", __func__, p_cb->conn_lcb); |
| } |
| break; |
| } |
| } |
| return p_lcb; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_rc_opened |
| * |
| * Description Set AVRCP state to opened. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_rc_opened(tBTA_AV_CB* p_cb, tBTA_AV_DATA* p_data) { |
| tBTA_AV_RC_OPEN rc_open; |
| tBTA_AV_SCB* p_scb; |
| int i; |
| uint8_t shdl = 0; |
| tBTA_AV_LCB* p_lcb; |
| tBTA_AV_RCB* p_rcb; |
| uint8_t tmp; |
| uint8_t disc = 0; |
| |
| /* find the SCB & stop the timer */ |
| for (i = 0; i < BTA_AV_NUM_STRS; i++) { |
| p_scb = p_cb->p_scb[i]; |
| if (p_scb && p_scb->PeerAddress() == p_data->rc_conn_chg.peer_addr) { |
| p_scb->rc_handle = p_data->rc_conn_chg.handle; |
| LOG_VERBOSE("%s: shdl:%d, srch %d", __func__, i + 1, p_scb->rc_handle); |
| shdl = i + 1; |
| LOG_INFO("%s: allow incoming AVRCP connections:%d", __func__, |
| p_scb->use_rc); |
| alarm_cancel(p_scb->avrc_ct_timer); |
| disc = p_scb->hndl; |
| break; |
| } |
| } |
| |
| i = p_data->rc_conn_chg.handle; |
| if (p_cb->rcb[i].handle == BTA_AV_RC_HANDLE_NONE) { |
| LOG_ERROR("%s: not a valid handle:%d any more", __func__, i); |
| return; |
| } |
| |
| LOG_VERBOSE("%s: local features %d peer features %d", __func__, |
| p_cb->features, p_cb->rcb[i].peer_features); |
| |
| /* listen to browsing channel when the connection is open, |
| * if peer initiated AVRCP connection and local device supports browsing |
| * channel */ |
| AVRC_OpenBrowse(p_data->rc_conn_chg.handle, AVCT_ACP); |
| |
| if (p_cb->rcb[i].lidx == (BTA_AV_NUM_LINKS + 1) && shdl != 0) { |
| /* rc is opened on the RC only ACP channel, but is for a specific |
| * SCB -> need to switch RCBs */ |
| p_rcb = bta_av_get_rcb_by_shdl(shdl); |
| if (p_rcb) { |
| p_rcb->shdl = p_cb->rcb[i].shdl; |
| tmp = p_rcb->lidx; |
| p_rcb->lidx = p_cb->rcb[i].lidx; |
| p_cb->rcb[i].lidx = tmp; |
| p_cb->rc_acp_handle = p_rcb->handle; |
| p_cb->rc_acp_idx = (p_rcb - p_cb->rcb) + 1; |
| LOG_VERBOSE("%s: switching RCB rc_acp_handle:%d idx:%d", __func__, |
| p_cb->rc_acp_handle, p_cb->rc_acp_idx); |
| } |
| } |
| |
| p_cb->rcb[i].shdl = shdl; |
| rc_open.rc_handle = i; |
| LOG_ERROR("%s: rcb[%d] shdl:%d lidx:%d/%d", __func__, i, shdl, |
| p_cb->rcb[i].lidx, p_cb->lcb[BTA_AV_NUM_LINKS].lidx); |
| p_cb->rcb[i].status |= BTA_AV_RC_CONN_MASK; |
| |
| if (!shdl && 0 == p_cb->lcb[BTA_AV_NUM_LINKS].lidx) { |
| /* no associated SCB -> connected to an RC only device |
| * update the index to the extra LCB */ |
| p_lcb = &p_cb->lcb[BTA_AV_NUM_LINKS]; |
| p_lcb->addr = p_data->rc_conn_chg.peer_addr; |
| p_lcb->lidx = BTA_AV_NUM_LINKS + 1; |
| p_cb->rcb[i].lidx = p_lcb->lidx; |
| p_lcb->conn_msk = 1; |
| LOG_ERROR("%s: bd_addr: %s rcb[%d].lidx=%d, lcb.conn_msk=x%x", __func__, |
| ADDRESS_TO_LOGGABLE_CSTR(p_lcb->addr), i, p_cb->rcb[i].lidx, |
| p_lcb->conn_msk); |
| disc = p_data->rc_conn_chg.handle | BTA_AV_CHNL_MSK; |
| } |
| |
| rc_open.peer_addr = p_data->rc_conn_chg.peer_addr; |
| rc_open.peer_features = p_cb->rcb[i].peer_features; |
| rc_open.cover_art_psm = p_cb->rcb[i].cover_art_psm; |
| if (btif_av_both_enable()) { |
| if (rc_open.peer_addr == p_cb->rc_feature.peer_addr) { |
| rc_open.peer_features = p_cb->rc_feature.peer_features; |
| rc_open.peer_ct_features = p_cb->rc_feature.peer_ct_features; |
| rc_open.peer_tg_features = p_cb->rc_feature.peer_tg_features; |
| } else { |
| rc_open.peer_features = p_cb->rcb[i].peer_features; |
| rc_open.peer_ct_features = p_cb->rcb[i].peer_ct_features; |
| rc_open.peer_tg_features = p_cb->rcb[i].peer_tg_features; |
| } |
| rc_open.status = BTA_AV_SUCCESS; |
| LOG_VERBOSE( |
| "local features:0x%x peer_features:0x%x, peer_ct_feature:0x%x, " |
| "peer_tg_feature:0x%x", |
| p_cb->features, rc_open.peer_features, rc_open.peer_ct_features, |
| rc_open.peer_tg_features); |
| if (rc_open.peer_features == 0 && rc_open.peer_ct_features == 0 && |
| rc_open.peer_tg_features == 0) { |
| /* we have not done SDP on peer RC capabilities. |
| * peer must have initiated the RC connection |
| * We Don't have SDP records of Peer, so we by |
| * default will take values depending upon registered |
| * features */ |
| if (p_cb->features & BTA_AV_FEAT_RCTG) { |
| rc_open.peer_ct_features |= BTA_AV_FEAT_RCCT; |
| rc_open.peer_features |= BTA_AV_FEAT_RCCT; |
| } |
| bta_av_rc_disc(disc); |
| } |
| (*p_cb->p_cback)(BTA_AV_RC_OPEN_EVT, (tBTA_AV*)&rc_open); |
| |
| /* if local initiated AVRCP connection and both peer and locals device |
| * support |
| * browsing channel, open the browsing channel now |
| * Some TG would not broadcast browse feature hence check inter-op. */ |
| if ((p_cb->features & BTA_AV_FEAT_BROWSE) && |
| ((rc_open.peer_ct_features & BTA_AV_FEAT_BROWSE) || |
| (rc_open.peer_tg_features & BTA_AV_FEAT_BROWSE))) { |
| if ((p_cb->rcb[i].status & BTA_AV_RC_ROLE_MASK) == BTA_AV_RC_ROLE_INT) { |
| LOG_VERBOSE("%s: opening AVRC Browse channel", __func__); |
| AVRC_OpenBrowse(p_data->rc_conn_chg.handle, AVCT_INT); |
| } |
| } |
| return; |
| } |
| rc_open.status = BTA_AV_SUCCESS; |
| LOG_VERBOSE("%s: local features:x%x peer_features:x%x", __func__, |
| p_cb->features, rc_open.peer_features); |
| LOG_VERBOSE("%s: cover art psm:x%x", __func__, rc_open.cover_art_psm); |
| if (rc_open.peer_features == 0) { |
| /* we have not done SDP on peer RC capabilities. |
| * peer must have initiated the RC connection */ |
| if (p_cb->features & BTA_AV_FEAT_RCCT) |
| rc_open.peer_features |= BTA_AV_FEAT_RCTG; |
| if (p_cb->features & BTA_AV_FEAT_RCTG) |
| rc_open.peer_features |= BTA_AV_FEAT_RCCT; |
| |
| bta_av_rc_disc(disc); |
| } |
| tBTA_AV bta_av_data; |
| bta_av_data.rc_open = rc_open; |
| (*p_cb->p_cback)(BTA_AV_RC_OPEN_EVT, &bta_av_data); |
| |
| /* if local initiated AVRCP connection and both peer and locals device support |
| * browsing channel, open the browsing channel now |
| * TODO (sanketa): Some TG would not broadcast browse feature hence check |
| * inter-op. */ |
| if ((p_cb->features & BTA_AV_FEAT_BROWSE) && |
| (rc_open.peer_features & BTA_AV_FEAT_BROWSE) && |
| ((p_cb->rcb[i].status & BTA_AV_RC_ROLE_MASK) == BTA_AV_RC_ROLE_INT)) { |
| LOG_VERBOSE("%s: opening AVRC Browse channel", __func__); |
| AVRC_OpenBrowse(p_data->rc_conn_chg.handle, AVCT_INT); |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_rc_remote_cmd |
| * |
| * Description Send an AVRCP remote control command. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_rc_remote_cmd(tBTA_AV_CB* p_cb, tBTA_AV_DATA* p_data) { |
| tBTA_AV_RCB* p_rcb; |
| if (p_cb->features & BTA_AV_FEAT_RCCT) { |
| if (p_data->hdr.layer_specific < BTA_AV_NUM_RCB) { |
| p_rcb = &p_cb->rcb[p_data->hdr.layer_specific]; |
| if (p_rcb->status & BTA_AV_RC_CONN_MASK) { |
| AVRC_PassCmd(p_rcb->handle, p_data->api_remote_cmd.label, |
| &p_data->api_remote_cmd.msg); |
| } |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_rc_vendor_cmd |
| * |
| * Description Send an AVRCP vendor specific command. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_rc_vendor_cmd(tBTA_AV_CB* p_cb, tBTA_AV_DATA* p_data) { |
| tBTA_AV_RCB* p_rcb; |
| if ((p_cb->features & (BTA_AV_FEAT_RCCT | BTA_AV_FEAT_VENDOR)) == |
| (BTA_AV_FEAT_RCCT | BTA_AV_FEAT_VENDOR)) { |
| if (p_data->hdr.layer_specific < BTA_AV_NUM_RCB) { |
| p_rcb = &p_cb->rcb[p_data->hdr.layer_specific]; |
| AVRC_VendorCmd(p_rcb->handle, p_data->api_vendor.label, |
| &p_data->api_vendor.msg); |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_rc_vendor_rsp |
| * |
| * Description Send an AVRCP vendor specific response. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_rc_vendor_rsp(tBTA_AV_CB* p_cb, tBTA_AV_DATA* p_data) { |
| tBTA_AV_RCB* p_rcb; |
| if ((p_cb->features & (BTA_AV_FEAT_RCTG | BTA_AV_FEAT_VENDOR)) == |
| (BTA_AV_FEAT_RCTG | BTA_AV_FEAT_VENDOR)) { |
| if (p_data->hdr.layer_specific < BTA_AV_NUM_RCB) { |
| p_rcb = &p_cb->rcb[p_data->hdr.layer_specific]; |
| AVRC_VendorRsp(p_rcb->handle, p_data->api_vendor.label, |
| &p_data->api_vendor.msg); |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_rc_meta_rsp |
| * |
| * Description Send an AVRCP metadata/advanced control command/response. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_rc_meta_rsp(tBTA_AV_CB* p_cb, tBTA_AV_DATA* p_data) { |
| tBTA_AV_RCB* p_rcb; |
| bool do_free = true; |
| |
| if ((p_cb->features & BTA_AV_FEAT_METADATA) && |
| (p_data->hdr.layer_specific < BTA_AV_NUM_RCB)) { |
| if ((p_data->api_meta_rsp.is_rsp && (p_cb->features & BTA_AV_FEAT_RCTG)) || |
| (!p_data->api_meta_rsp.is_rsp && (p_cb->features & BTA_AV_FEAT_RCCT))) { |
| p_rcb = &p_cb->rcb[p_data->hdr.layer_specific]; |
| if (p_rcb->handle != BTA_AV_RC_HANDLE_NONE) { |
| AVRC_MsgReq(p_rcb->handle, p_data->api_meta_rsp.label, |
| p_data->api_meta_rsp.rsp_code, p_data->api_meta_rsp.p_pkt, |
| false); |
| do_free = false; |
| } |
| } |
| } |
| |
| if (do_free) osi_free_and_reset((void**)&p_data->api_meta_rsp.p_pkt); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_rc_free_rsp |
| * |
| * Description free an AVRCP metadata command buffer. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_rc_free_rsp(UNUSED_ATTR tBTA_AV_CB* p_cb, tBTA_AV_DATA* p_data) { |
| osi_free_and_reset((void**)&p_data->api_meta_rsp.p_pkt); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_rc_free_browse_msg |
| * |
| * Description free an AVRCP browse message buffer. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_rc_free_browse_msg(UNUSED_ATTR tBTA_AV_CB* p_cb, |
| tBTA_AV_DATA* p_data) { |
| if (p_data->rc_msg.opcode == AVRC_OP_BROWSE) { |
| osi_free_and_reset((void**)&p_data->rc_msg.msg.browse.p_browse_pkt); |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_chk_notif_evt_id |
| * |
| * Description make sure the requested player id is valid. |
| * |
| * Returns BTA_AV_STS_NO_RSP, if no error |
| * |
| ******************************************************************************/ |
| static tAVRC_STS bta_av_chk_notif_evt_id(tAVRC_MSG_VENDOR* p_vendor) { |
| tAVRC_STS status = BTA_AV_STS_NO_RSP; |
| uint8_t xx; |
| uint16_t u16; |
| uint8_t* p = p_vendor->p_vendor_data + 2; |
| |
| BE_STREAM_TO_UINT16(u16, p); |
| /* double check the fixed length */ |
| if ((u16 != 5) || (p_vendor->vendor_len != 9)) { |
| status = AVRC_STS_INTERNAL_ERR; |
| } else { |
| if (btif_av_both_enable()) { |
| for (xx = 0; xx < bta_av_cfg.num_evt_ids; xx++) { |
| if (*p == bta_av_cfg.p_meta_evt_ids[xx]) { |
| return status; |
| } |
| } |
| for (xx = 0; xx < get_bta_avk_cfg()->num_evt_ids; xx++) { |
| if (*p == get_bta_avk_cfg()->p_meta_evt_ids[xx]) { |
| return status; |
| } |
| } |
| return AVRC_STS_BAD_PARAM; |
| } |
| /* make sure the player_id is valid */ |
| for (xx = 0; xx < p_bta_av_cfg->num_evt_ids; xx++) { |
| if (*p == p_bta_av_cfg->p_meta_evt_ids[xx]) { |
| break; |
| } |
| } |
| if (xx == p_bta_av_cfg->num_evt_ids) { |
| status = AVRC_STS_BAD_PARAM; |
| } |
| } |
| |
| return status; |
| } |
| |
| void bta_av_proc_rsp(tAVRC_RESPONSE* p_rc_rsp) { |
| uint16_t rc_ver = 0x105; |
| const tBTA_AV_CFG* p_src_cfg = NULL; |
| if (rc_ver != 0x103) |
| p_src_cfg = &bta_av_cfg; |
| else |
| p_src_cfg = &bta_av_cfg_compatibility; |
| p_rc_rsp->get_caps.count = p_src_cfg->num_evt_ids; |
| memcpy(p_rc_rsp->get_caps.param.event_id, p_src_cfg->p_meta_evt_ids, |
| p_src_cfg->num_evt_ids); |
| LOG_VERBOSE("%s: ver: 0x%x", __func__, rc_ver); |
| /* if it's not 1.3, then there should be a absolute volume */ |
| if (rc_ver != 0x103) { |
| uint8_t evt_cnt = p_rc_rsp->get_caps.count; |
| p_rc_rsp->get_caps.count += get_bta_avk_cfg()->num_evt_ids; |
| if (evt_cnt < AVRC_CAP_MAX_NUM_EVT_ID) { |
| uint32_t i = 0; |
| for (i = 0; i < get_bta_avk_cfg()->num_evt_ids && |
| i + evt_cnt < AVRC_CAP_MAX_NUM_EVT_ID; |
| i++) { |
| p_rc_rsp->get_caps.param.event_id[evt_cnt + i] = |
| get_bta_avk_cfg()->p_meta_evt_ids[i]; |
| } |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_proc_meta_cmd |
| * |
| * Description Process an AVRCP metadata command from the peer. |
| * |
| * Returns true to respond immediately |
| * |
| ******************************************************************************/ |
| tBTA_AV_EVT bta_av_proc_meta_cmd(tAVRC_RESPONSE* p_rc_rsp, |
| tBTA_AV_RC_MSG* p_msg, uint8_t* p_ctype) { |
| tBTA_AV_EVT evt = BTA_AV_META_MSG_EVT; |
| uint8_t u8, pdu, *p; |
| uint16_t u16; |
| tAVRC_MSG_VENDOR* p_vendor = &p_msg->msg.vendor; |
| |
| if (p_vendor->vendor_len == 0) { |
| p_rc_rsp->rsp.status = AVRC_STS_BAD_PARAM; |
| LOG_VERBOSE("%s: p_vendor->vendor_len == 0", __func__); |
| // the caller of this function assume 0 to be an invalid event |
| return 0; |
| } |
| |
| pdu = *(p_vendor->p_vendor_data); |
| p_rc_rsp->pdu = pdu; |
| *p_ctype = AVRC_RSP_REJ; |
| |
| /* Check to ansure a valid minimum meta data length */ |
| if ((AVRC_MIN_META_CMD_LEN + p_vendor->vendor_len) > AVRC_META_CMD_BUF_SIZE) { |
| /* reject it */ |
| p_rc_rsp->rsp.status = AVRC_STS_BAD_PARAM; |
| LOG_ERROR("%s: Invalid meta-command length: %d", __func__, |
| p_vendor->vendor_len); |
| return 0; |
| } |
| |
| /* Metadata messages only use PANEL sub-unit type */ |
| if (p_vendor->hdr.subunit_type != AVRC_SUB_PANEL) { |
| LOG_VERBOSE("%s: SUBUNIT must be PANEL", __func__); |
| /* reject it */ |
| evt = 0; |
| p_vendor->hdr.ctype = AVRC_RSP_NOT_IMPL; |
| p_vendor->vendor_len = 0; |
| p_rc_rsp->rsp.status = AVRC_STS_BAD_PARAM; |
| } else if (!AVRC_IsValidAvcType(pdu, p_vendor->hdr.ctype)) { |
| LOG_VERBOSE("%s: Invalid pdu/ctype: 0x%x, %d", __func__, pdu, |
| p_vendor->hdr.ctype); |
| /* reject invalid message without reporting to app */ |
| evt = 0; |
| p_rc_rsp->rsp.status = AVRC_STS_BAD_CMD; |
| } else { |
| switch (pdu) { |
| case AVRC_PDU_GET_CAPABILITIES: |
| /* process GetCapabilities command without reporting the event to app */ |
| evt = 0; |
| if (p_vendor->vendor_len != 5) { |
| p_rc_rsp->get_caps.status = AVRC_STS_INTERNAL_ERR; |
| break; |
| } |
| u8 = *(p_vendor->p_vendor_data + 4); |
| p = p_vendor->p_vendor_data + 2; |
| p_rc_rsp->get_caps.capability_id = u8; |
| BE_STREAM_TO_UINT16(u16, p); |
| if (u16 != 1) { |
| p_rc_rsp->get_caps.status = AVRC_STS_INTERNAL_ERR; |
| } else { |
| p_rc_rsp->get_caps.status = AVRC_STS_NO_ERROR; |
| if (u8 == AVRC_CAP_COMPANY_ID) { |
| *p_ctype = AVRC_RSP_IMPL_STBL; |
| p_rc_rsp->get_caps.count = p_bta_av_cfg->num_co_ids; |
| memcpy(p_rc_rsp->get_caps.param.company_id, |
| p_bta_av_cfg->p_meta_co_ids, |
| (p_bta_av_cfg->num_co_ids << 2)); |
| } else if (u8 == AVRC_CAP_EVENTS_SUPPORTED) { |
| *p_ctype = AVRC_RSP_IMPL_STBL; |
| if (btif_av_src_sink_coexist_enabled() && btif_av_both_enable()) { |
| bta_av_proc_rsp(p_rc_rsp); |
| break; |
| } |
| p_rc_rsp->get_caps.count = p_bta_av_cfg->num_evt_ids; |
| memcpy(p_rc_rsp->get_caps.param.event_id, |
| p_bta_av_cfg->p_meta_evt_ids, p_bta_av_cfg->num_evt_ids); |
| } else { |
| LOG_VERBOSE("%s: Invalid capability ID: 0x%x", __func__, u8); |
| /* reject - unknown capability ID */ |
| p_rc_rsp->get_caps.status = AVRC_STS_BAD_PARAM; |
| } |
| } |
| break; |
| |
| case AVRC_PDU_REGISTER_NOTIFICATION: |
| /* make sure the event_id is implemented */ |
| p_rc_rsp->rsp.status = bta_av_chk_notif_evt_id(p_vendor); |
| if (p_rc_rsp->rsp.status != BTA_AV_STS_NO_RSP) evt = 0; |
| break; |
| } |
| } |
| |
| return evt; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_rc_msg |
| * |
| * Description Process an AVRCP message from the peer. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_rc_msg(tBTA_AV_CB* p_cb, tBTA_AV_DATA* p_data) { |
| tBTA_AV_EVT evt = 0; |
| tBTA_AV av; |
| BT_HDR* p_pkt = NULL; |
| tAVRC_MSG_VENDOR* p_vendor = &p_data->rc_msg.msg.vendor; |
| bool is_inquiry = ((p_data->rc_msg.msg.hdr.ctype == AVRC_CMD_SPEC_INQ) || |
| p_data->rc_msg.msg.hdr.ctype == AVRC_CMD_GEN_INQ); |
| uint8_t ctype = 0; |
| tAVRC_RESPONSE rc_rsp; |
| |
| rc_rsp.rsp.status = BTA_AV_STS_NO_RSP; |
| |
| if (NULL == p_data) { |
| LOG_ERROR("%s: Message from peer with no data", __func__); |
| return; |
| } |
| |
| LOG_VERBOSE("%s: opcode=%x, ctype=%x", __func__, p_data->rc_msg.opcode, |
| p_data->rc_msg.msg.hdr.ctype); |
| |
| if (p_data->rc_msg.opcode == AVRC_OP_PASS_THRU) { |
| /* if this is a pass thru command */ |
| if ((p_data->rc_msg.msg.hdr.ctype == AVRC_CMD_CTRL) || |
| (p_data->rc_msg.msg.hdr.ctype == AVRC_CMD_SPEC_INQ) || |
| (p_data->rc_msg.msg.hdr.ctype == AVRC_CMD_GEN_INQ)) { |
| /* check if operation is supported */ |
| char avrcp_ct_support[PROPERTY_VALUE_MAX]; |
| osi_property_get("bluetooth.pts.avrcp_ct.support", avrcp_ct_support, |
| "false"); |
| if (p_data->rc_msg.msg.pass.op_id == AVRC_ID_VENDOR) { |
| p_data->rc_msg.msg.hdr.ctype = AVRC_RSP_NOT_IMPL; |
| if (p_cb->features & BTA_AV_FEAT_METADATA) |
| p_data->rc_msg.msg.hdr.ctype = bta_av_group_navi_supported( |
| p_data->rc_msg.msg.pass.pass_len, |
| p_data->rc_msg.msg.pass.p_pass_data, is_inquiry); |
| } else if (((p_data->rc_msg.msg.pass.op_id == AVRC_ID_VOL_UP) || |
| (p_data->rc_msg.msg.pass.op_id == AVRC_ID_VOL_DOWN)) && |
| !strcmp(avrcp_ct_support, "true")) { |
| p_data->rc_msg.msg.hdr.ctype = AVRC_RSP_ACCEPT; |
| } else { |
| p_data->rc_msg.msg.hdr.ctype = |
| bta_av_op_supported(p_data->rc_msg.msg.pass.op_id, is_inquiry); |
| } |
| |
| LOG_VERBOSE("%s: ctype %d", __func__, p_data->rc_msg.msg.hdr.ctype); |
| |
| /* send response */ |
| if (p_data->rc_msg.msg.hdr.ctype != AVRC_RSP_INTERIM) |
| AVRC_PassRsp(p_data->rc_msg.handle, p_data->rc_msg.label, |
| &p_data->rc_msg.msg.pass); |
| |
| /* set up for callback if supported */ |
| if (p_data->rc_msg.msg.hdr.ctype == AVRC_RSP_ACCEPT || |
| p_data->rc_msg.msg.hdr.ctype == AVRC_RSP_INTERIM) { |
| evt = BTA_AV_REMOTE_CMD_EVT; |
| av.remote_cmd.rc_id = p_data->rc_msg.msg.pass.op_id; |
| av.remote_cmd.key_state = p_data->rc_msg.msg.pass.state; |
| av.remote_cmd.p_data = p_data->rc_msg.msg.pass.p_pass_data; |
| av.remote_cmd.len = p_data->rc_msg.msg.pass.pass_len; |
| memcpy(&av.remote_cmd.hdr, &p_data->rc_msg.msg.hdr, sizeof(tAVRC_HDR)); |
| av.remote_cmd.label = p_data->rc_msg.label; |
| } |
| } |
| /* else if this is a pass thru response */ |
| /* id response type is not impl, we have to release label */ |
| else if (p_data->rc_msg.msg.hdr.ctype >= AVRC_RSP_NOT_IMPL) { |
| /* set up for callback */ |
| evt = BTA_AV_REMOTE_RSP_EVT; |
| av.remote_rsp.rc_id = p_data->rc_msg.msg.pass.op_id; |
| av.remote_rsp.key_state = p_data->rc_msg.msg.pass.state; |
| av.remote_rsp.rsp_code = p_data->rc_msg.msg.hdr.ctype; |
| av.remote_rsp.label = p_data->rc_msg.label; |
| av.remote_rsp.len = p_data->rc_msg.msg.pass.pass_len; |
| av.remote_rsp.p_data = NULL; |
| |
| /* If this response is for vendor unique command */ |
| if ((p_data->rc_msg.msg.pass.op_id == AVRC_ID_VENDOR) && |
| (p_data->rc_msg.msg.pass.pass_len > 0)) { |
| av.remote_rsp.p_data = |
| (uint8_t*)osi_malloc(p_data->rc_msg.msg.pass.pass_len); |
| LOG_VERBOSE("%s: Vendor Unique data len = %d", __func__, |
| p_data->rc_msg.msg.pass.pass_len); |
| memcpy(av.remote_rsp.p_data, p_data->rc_msg.msg.pass.p_pass_data, |
| p_data->rc_msg.msg.pass.pass_len); |
| } |
| } |
| /* must be a bad ctype -> reject*/ |
| else { |
| p_data->rc_msg.msg.hdr.ctype = AVRC_RSP_REJ; |
| AVRC_PassRsp(p_data->rc_msg.handle, p_data->rc_msg.label, |
| &p_data->rc_msg.msg.pass); |
| } |
| } |
| /* else if this is a vendor specific command or response */ |
| else if (p_data->rc_msg.opcode == AVRC_OP_VENDOR) { |
| /* set up for callback */ |
| av.vendor_cmd.code = p_data->rc_msg.msg.hdr.ctype; |
| av.vendor_cmd.company_id = p_vendor->company_id; |
| av.vendor_cmd.label = p_data->rc_msg.label; |
| av.vendor_cmd.p_data = p_vendor->p_vendor_data; |
| av.vendor_cmd.len = p_vendor->vendor_len; |
| |
| /* if configured to support vendor specific and it's a command */ |
| if ((p_cb->features & BTA_AV_FEAT_VENDOR) && |
| p_data->rc_msg.msg.hdr.ctype <= AVRC_CMD_GEN_INQ) { |
| if ((p_cb->features & BTA_AV_FEAT_METADATA) && |
| (p_vendor->company_id == AVRC_CO_METADATA)) { |
| av.meta_msg.p_msg = &p_data->rc_msg.msg; |
| rc_rsp.rsp.status = BTA_AV_STS_NO_RSP; |
| evt = bta_av_proc_meta_cmd(&rc_rsp, &p_data->rc_msg, &ctype); |
| } else { |
| evt = BTA_AV_VENDOR_CMD_EVT; |
| } |
| } else if ((p_cb->features & BTA_AV_FEAT_VENDOR) && |
| p_data->rc_msg.msg.hdr.ctype >= AVRC_RSP_NOT_IMPL) { |
| /* else if configured to support vendor specific and it's a response */ |
| if ((p_cb->features & BTA_AV_FEAT_METADATA) && |
| (p_vendor->company_id == AVRC_CO_METADATA)) { |
| av.meta_msg.p_msg = &p_data->rc_msg.msg; |
| evt = BTA_AV_META_MSG_EVT; |
| } else { |
| evt = BTA_AV_VENDOR_RSP_EVT; |
| } |
| } else if (!(p_cb->features & BTA_AV_FEAT_VENDOR) && |
| p_data->rc_msg.msg.hdr.ctype <= AVRC_CMD_GEN_INQ) { |
| /* else if not configured to support vendor specific and it's a command */ |
| if (p_data->rc_msg.msg.vendor.p_vendor_data[0] == AVRC_PDU_INVALID) { |
| /* reject it */ |
| p_data->rc_msg.msg.hdr.ctype = AVRC_RSP_REJ; |
| p_data->rc_msg.msg.vendor.p_vendor_data[4] = AVRC_STS_BAD_CMD; |
| } else { |
| p_data->rc_msg.msg.hdr.ctype = AVRC_RSP_NOT_IMPL; |
| } |
| AVRC_VendorRsp(p_data->rc_msg.handle, p_data->rc_msg.label, |
| &p_data->rc_msg.msg.vendor); |
| } |
| } else if (p_data->rc_msg.opcode == AVRC_OP_BROWSE) { |
| /* set up for callback */ |
| av.meta_msg.rc_handle = p_data->rc_msg.handle; |
| av.meta_msg.company_id = p_vendor->company_id; |
| av.meta_msg.code = p_data->rc_msg.msg.hdr.ctype; |
| av.meta_msg.label = p_data->rc_msg.label; |
| av.meta_msg.p_msg = &p_data->rc_msg.msg; |
| av.meta_msg.p_data = p_data->rc_msg.msg.browse.p_browse_data; |
| av.meta_msg.len = p_data->rc_msg.msg.browse.browse_len; |
| evt = BTA_AV_META_MSG_EVT; |
| } |
| |
| if (evt == 0 && rc_rsp.rsp.status != BTA_AV_STS_NO_RSP) { |
| if (!p_pkt) { |
| rc_rsp.rsp.opcode = p_data->rc_msg.opcode; |
| AVRC_BldResponse(0, &rc_rsp, &p_pkt); |
| } |
| if (p_pkt) |
| AVRC_MsgReq(p_data->rc_msg.handle, p_data->rc_msg.label, ctype, p_pkt, |
| false); |
| } |
| |
| /* call callback */ |
| if (evt != 0) { |
| av.remote_cmd.rc_handle = p_data->rc_msg.handle; |
| (*p_cb->p_cback)(evt, &av); |
| /* If browsing message, then free the browse message buffer */ |
| if (p_data->rc_msg.opcode == AVRC_OP_BROWSE && |
| p_data->rc_msg.msg.browse.p_browse_pkt != NULL) { |
| bta_av_rc_free_browse_msg(p_cb, p_data); |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_rc_close |
| * |
| * Description close the specified AVRC handle. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_rc_close(tBTA_AV_CB* p_cb, tBTA_AV_DATA* p_data) { |
| uint16_t handle = p_data->hdr.layer_specific; |
| tBTA_AV_SCB* p_scb; |
| tBTA_AV_RCB* p_rcb; |
| |
| if (handle < BTA_AV_NUM_RCB) { |
| p_rcb = &p_cb->rcb[handle]; |
| |
| LOG_VERBOSE("%s: handle: %d, status=0x%x", __func__, p_rcb->handle, |
| p_rcb->status); |
| if (p_rcb->handle != BTA_AV_RC_HANDLE_NONE) { |
| if (p_rcb->shdl) { |
| p_scb = bta_av_cb.p_scb[p_rcb->shdl - 1]; |
| if (p_scb) { |
| /* just in case the RC timer is active |
| if (bta_av_cb.features & BTA_AV_FEAT_RCCT && |
| p_scb->chnl == BTA_AV_CHNL_AUDIO) */ |
| alarm_cancel(p_scb->avrc_ct_timer); |
| } |
| } |
| |
| AVRC_Close(p_rcb->handle); |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_rc_browse_close |
| * |
| * Description Empty placeholder. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_rc_browse_close(tBTA_AV_CB* p_cb, tBTA_AV_DATA* p_data) { |
| LOG_WARN("%s: empty placeholder does nothing!", __func__); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_get_shdl |
| * |
| * Returns The index to p_scb[] |
| * |
| ******************************************************************************/ |
| static uint8_t bta_av_get_shdl(tBTA_AV_SCB* p_scb) { |
| int i; |
| uint8_t shdl = 0; |
| /* find the SCB & stop the timer */ |
| for (i = 0; i < BTA_AV_NUM_STRS; i++) { |
| if (p_scb == bta_av_cb.p_scb[i]) { |
| shdl = i + 1; |
| break; |
| } |
| } |
| return shdl; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_stream_chg |
| * |
| * Description audio streaming status changed. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_stream_chg(tBTA_AV_SCB* p_scb, bool started) { |
| uint8_t started_msk = BTA_AV_HNDL_TO_MSK(p_scb->hdi); |
| |
| LOG_VERBOSE("%s: peer %s started:%s started_msk:0x%x", __func__, |
| ADDRESS_TO_LOGGABLE_CSTR(p_scb->PeerAddress()), |
| logbool(started).c_str(), started_msk); |
| |
| if (started) { |
| /* Let L2CAP know this channel is processed with high priority */ |
| L2CA_SetAclPriority(p_scb->PeerAddress(), L2CAP_PRIORITY_HIGH); |
| } else { |
| /* Let L2CAP know this channel is processed with low priority */ |
| L2CA_SetAclPriority(p_scb->PeerAddress(), L2CAP_PRIORITY_NORMAL); |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_conn_chg |
| * |
| * Description connetion status changed. |
| * Open an AVRCP acceptor channel, if new conn. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_conn_chg(tBTA_AV_DATA* p_data) { |
| tBTA_AV_CB* p_cb = &bta_av_cb; |
| tBTA_AV_SCB* p_scb = NULL; |
| tBTA_AV_SCB* p_scbi; |
| uint8_t mask; |
| uint8_t conn_msk; |
| uint8_t old_msk; |
| int i; |
| int index = (p_data->hdr.layer_specific & BTA_AV_HNDL_MSK) - 1; |
| tBTA_AV_LCB* p_lcb; |
| tBTA_AV_LCB* p_lcb_rc; |
| tBTA_AV_RCB *p_rcb, *p_rcb2; |
| bool chk_restore = false; |
| |
| /* Validate array index*/ |
| if (index < BTA_AV_NUM_STRS) { |
| p_scb = p_cb->p_scb[index]; |
| } |
| mask = BTA_AV_HNDL_TO_MSK(index); |
| p_lcb = bta_av_find_lcb(p_data->conn_chg.peer_addr, BTA_AV_LCB_FIND); |
| conn_msk = 1 << (index + 1); |
| if (p_data->conn_chg.is_up) { |
| /* set the conned mask for this channel */ |
| if (p_scb) { |
| if (p_lcb) { |
| p_lcb->conn_msk |= conn_msk; |
| for (i = 0; i < BTA_AV_NUM_RCB; i++) { |
| if (bta_av_cb.rcb[i].lidx == p_lcb->lidx) { |
| bta_av_cb.rcb[i].shdl = index + 1; |
| LOG_VERBOSE( |
| "%s: conn_chg up[%d]: %d, status=0x%x, shdl:%d, lidx:%d", |
| __func__, i, bta_av_cb.rcb[i].handle, bta_av_cb.rcb[i].status, |
| bta_av_cb.rcb[i].shdl, bta_av_cb.rcb[i].lidx); |
| break; |
| } |
| } |
| } |
| old_msk = p_cb->conn_audio; |
| p_cb->conn_audio |= mask; |
| |
| if ((old_msk & mask) == 0) { |
| /* increase the audio open count, if not set yet */ |
| bta_av_cb.audio_open_cnt++; |
| } |
| |
| LOG_VERBOSE("%s: rc_acp_handle:%d rc_acp_idx:%d", __func__, |
| p_cb->rc_acp_handle, p_cb->rc_acp_idx); |
| /* check if the AVRCP ACP channel is already connected */ |
| if (p_lcb && p_cb->rc_acp_handle != BTA_AV_RC_HANDLE_NONE && |
| p_cb->rc_acp_idx) { |
| p_lcb_rc = &p_cb->lcb[BTA_AV_NUM_LINKS]; |
| LOG_VERBOSE( |
| "%s: rc_acp is connected && conn_chg on same addr " |
| "p_lcb_rc->conn_msk:x%x", |
| __func__, p_lcb_rc->conn_msk); |
| /* check if the RC is connected to the scb addr */ |
| LOG_INFO("%s: p_lcb_rc->addr: %s conn_chg.peer_addr: %s", __func__, |
| ADDRESS_TO_LOGGABLE_CSTR(p_lcb_rc->addr), |
| ADDRESS_TO_LOGGABLE_CSTR(p_data->conn_chg.peer_addr)); |
| |
| if (p_lcb_rc->conn_msk && |
| p_lcb_rc->addr == p_data->conn_chg.peer_addr) { |
| /* AVRCP is already connected. |
| * need to update the association betwen SCB and RCB */ |
| p_lcb_rc->conn_msk = 0; /* indicate RC ONLY is not connected */ |
| p_lcb_rc->lidx = 0; |
| p_scb->rc_handle = p_cb->rc_acp_handle; |
| p_rcb = &p_cb->rcb[p_cb->rc_acp_idx - 1]; |
| p_rcb->shdl = bta_av_get_shdl(p_scb); |
| LOG_VERBOSE("%s: update rc_acp shdl:%d/%d srch:%d", __func__, |
| index + 1, p_rcb->shdl, p_scb->rc_handle); |
| |
| p_rcb2 = bta_av_get_rcb_by_shdl(p_rcb->shdl); |
| if (p_rcb2) { |
| /* found the RCB that was created to associated with this SCB */ |
| p_cb->rc_acp_handle = p_rcb2->handle; |
| p_cb->rc_acp_idx = (p_rcb2 - p_cb->rcb) + 1; |
| LOG_VERBOSE("%s: new rc_acp_handle:%d, idx:%d", __func__, |
| p_cb->rc_acp_handle, p_cb->rc_acp_idx); |
| p_rcb2->lidx = (BTA_AV_NUM_LINKS + 1); |
| LOG_VERBOSE("%s: rc2 handle:%d lidx:%d/%d", __func__, |
| p_rcb2->handle, p_rcb2->lidx, |
| p_cb->lcb[p_rcb2->lidx - 1].lidx); |
| } |
| p_rcb->lidx = p_lcb->lidx; |
| LOG_VERBOSE("%s: rc handle:%d lidx:%d/%d", __func__, p_rcb->handle, |
| p_rcb->lidx, p_cb->lcb[p_rcb->lidx - 1].lidx); |
| } |
| } |
| } |
| } else { |
| if ((p_cb->conn_audio & mask) && bta_av_cb.audio_open_cnt) { |
| /* this channel is still marked as open. decrease the count */ |
| bta_av_cb.audio_open_cnt--; |
| } |
| |
| /* clear the conned mask for this channel */ |
| p_cb->conn_audio &= ~mask; |
| if (p_scb) { |
| // The stream is closed. Clear the state. |
| p_scb->OnDisconnected(); |
| if (p_scb->chnl == BTA_AV_CHNL_AUDIO) { |
| if (p_lcb) { |
| p_lcb->conn_msk &= ~conn_msk; |
| } |
| /* audio channel is down. make sure the INT channel is down */ |
| /* just in case the RC timer is active |
| if (p_cb->features & BTA_AV_FEAT_RCCT) */ |
| { alarm_cancel(p_scb->avrc_ct_timer); } |
| /* one audio channel goes down. check if we need to restore high |
| * priority */ |
| chk_restore = true; |
| } |
| } |
| |
| LOG_VERBOSE("%s: shdl:%d", __func__, index + 1); |
| for (i = 0; i < BTA_AV_NUM_RCB; i++) { |
| LOG_VERBOSE("%s: conn_chg dn[%d]: %d, status=0x%x, shdl:%d, lidx:%d", |
| __func__, i, bta_av_cb.rcb[i].handle, bta_av_cb.rcb[i].status, |
| bta_av_cb.rcb[i].shdl, bta_av_cb.rcb[i].lidx); |
| if (bta_av_cb.rcb[i].shdl == index + 1) { |
| bta_av_del_rc(&bta_av_cb.rcb[i]); |
| /* since the connection is already down and info was removed, clean |
| * reference */ |
| bta_av_cb.rcb[i].shdl = 0; |
| break; |
| } |
| } |
| |
| if (p_cb->conn_audio == 0) { |
| /* if both channels are not connected, |
| * close all RC channels */ |
| bta_av_close_all_rc(p_cb); |
| } |
| |
| /* if the AVRCP is no longer listening, create the listening channel */ |
| if (bta_av_cb.rc_acp_handle == BTA_AV_RC_HANDLE_NONE && |
| bta_av_cb.features & BTA_AV_FEAT_RCTG) |
| bta_av_rc_create(&bta_av_cb, AVCT_ACP, 0, BTA_AV_NUM_LINKS + 1); |
| } |
| |
| LOG_VERBOSE( |
| "%s: audio:%x up:%d conn_msk:0x%x chk_restore:%d " |
| "audio_open_cnt:%d", |
| __func__, p_cb->conn_audio, p_data->conn_chg.is_up, conn_msk, chk_restore, |
| p_cb->audio_open_cnt); |
| |
| if (chk_restore) { |
| if (p_cb->audio_open_cnt == 1) { |
| /* one audio channel goes down and there's one audio channel remains open. |
| * restore the switch role in default link policy */ |
| BTM_default_unblock_role_switch(); |
| bta_av_restore_switch(); |
| } |
| if (p_cb->audio_open_cnt) { |
| /* adjust flush timeout settings to longer period */ |
| 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) { |
| /* 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; |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_disable |
| * |
| * Description disable AV. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_disable(tBTA_AV_CB* p_cb, UNUSED_ATTR tBTA_AV_DATA* p_data) { |
| BT_HDR_RIGID hdr; |
| bool disabling_in_progress = false; |
| uint16_t xx; |
| |
| p_cb->disabling = true; |
| |
| bta_av_close_all_rc(p_cb); |
| |
| osi_free_and_reset((void**)&p_cb->p_disc_db); |
| |
| /* disable audio/video - de-register all channels, |
| * expect BTA_AV_DEREG_COMP_EVT when deregister is complete */ |
| for (xx = 0; xx < BTA_AV_NUM_STRS; xx++) { |
| if (p_cb->p_scb[xx] != NULL) { |
| // Free signalling timers |
| alarm_free(p_cb->p_scb[xx]->link_signalling_timer); |
| p_cb->p_scb[xx]->link_signalling_timer = NULL; |
| alarm_free(p_cb->p_scb[xx]->accept_signalling_timer); |
| p_cb->p_scb[xx]->accept_signalling_timer = NULL; |
| |
| hdr.layer_specific = xx + 1; |
| bta_av_api_deregister((tBTA_AV_DATA*)&hdr); |
| disabling_in_progress = true; |
| } |
| } |
| // Since All channels are deregistering by API_DEREGISTER, the DEREG_COMP_EVT |
| // would come first before API_DISABLE if there is no connections, and it is |
| // no needed to setup this disabling flag. |
| p_cb->disabling = disabling_in_progress; |
| |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_api_disconnect |
| * |
| * Description . |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_api_disconnect(tBTA_AV_DATA* p_data) { |
| tBTA_AV_SCB* p_scb = |
| bta_av_hndl_to_scb(p_data->api_discnt.hdr.layer_specific); |
| AVDT_DisconnectReq(p_scb->PeerAddress(), bta_av_conn_cback); |
| alarm_cancel(p_scb->link_signalling_timer); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_set_use_latency_mode |
| * |
| * Description Sets stream use latency mode. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_set_use_latency_mode(tBTA_AV_SCB* p_scb, bool use_latency_mode) { |
| L2CA_UseLatencyMode(p_scb->PeerAddress(), use_latency_mode); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_api_set_latency |
| * |
| * Description set stream latency. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_api_set_latency(tBTA_AV_DATA* p_data) { |
| tBTA_AV_SCB* p_scb = |
| bta_av_hndl_to_scb(p_data->api_set_latency.hdr.layer_specific); |
| |
| tL2CAP_LATENCY latency = p_data->api_set_latency.is_low_latency |
| ? L2CAP_LATENCY_LOW |
| : L2CAP_LATENCY_NORMAL; |
| L2CA_SetAclLatency(p_scb->PeerAddress(), latency); |
| } |
| |
| /** |
| * Find the index for the free LCB entry to use. |
| * |
| * The selection order is: |
| * (1) Find the index if there is already SCB entry for the peer address |
| * (2) If there is no SCB entry for the peer address, find the first |
| * SCB entry that is not assigned. |
| * |
| * @param peer_address the peer address to use |
| * @return the index for the free LCB entry to use or BTA_AV_NUM_LINKS |
| * if no entry is found |
| */ |
| static uint8_t bta_av_find_lcb_index_by_scb_and_address( |
| const RawAddress& peer_address) { |
| LOG_VERBOSE("%s: peer_address: %s conn_lcb: 0x%x", __func__, |
| ADDRESS_TO_LOGGABLE_CSTR(peer_address), bta_av_cb.conn_lcb); |
| |
| // Find the index if there is already SCB entry for the peer address |
| for (uint8_t index = 0; index < BTA_AV_NUM_LINKS; index++) { |
| uint8_t mask = 1 << index; |
| if (mask & bta_av_cb.conn_lcb) { |
| continue; |
| } |
| tBTA_AV_SCB* p_scb = bta_av_cb.p_scb[index]; |
| if (p_scb == nullptr) { |
| continue; |
| } |
| if (p_scb->PeerAddress() == peer_address) { |
| return index; |
| } |
| } |
| |
| // Find the first SCB entry that is not assigned. |
| for (uint8_t index = 0; index < BTA_AV_NUM_LINKS; index++) { |
| uint8_t mask = 1 << index; |
| if (mask & bta_av_cb.conn_lcb) { |
| continue; |
| } |
| tBTA_AV_SCB* p_scb = bta_av_cb.p_scb[index]; |
| if (p_scb == nullptr) { |
| continue; |
| } |
| if (!p_scb->IsAssigned()) { |
| const RawAddress& btif_addr = btif_av_find_by_handle(p_scb->hndl); |
| if (!btif_addr.IsEmpty() && btif_addr != peer_address) { |
| LOG_DEBUG("%s: btif_addr = %s, index=%d!", |
| __func__, btif_addr.ToString().c_str(), index); |
| continue; |
| } |
| return index; |
| } |
| } |
| |
| return BTA_AV_NUM_LINKS; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_sig_chg |
| * |
| * Description process AVDT signal channel up/down. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_sig_chg(tBTA_AV_DATA* p_data) { |
| uint16_t event = p_data->str_msg.hdr.layer_specific; |
| tBTA_AV_CB* p_cb = &bta_av_cb; |
| uint32_t xx; |
| uint8_t mask; |
| tBTA_AV_LCB* p_lcb = NULL; |
| |
| LOG_VERBOSE("%s: event: %d", __func__, event); |
| if (event == AVDT_CONNECT_IND_EVT) { |
| LOG_VERBOSE("%s: AVDT_CONNECT_IND_EVT: peer %s", __func__, |
| ADDRESS_TO_LOGGABLE_CSTR(p_data->str_msg.bd_addr)); |
| |
| p_lcb = bta_av_find_lcb(p_data->str_msg.bd_addr, BTA_AV_LCB_FIND); |
| if (!p_lcb) { |
| /* if the address does not have an LCB yet, alloc one */ |
| xx = bta_av_find_lcb_index_by_scb_and_address(p_data->str_msg.bd_addr); |
| |
| /* check if we found something */ |
| if (xx >= BTA_AV_NUM_LINKS) { |
| /* We do not have scb for this avdt connection. */ |
| /* Silently close the connection. */ |
| LOG_ERROR("%s: av scb not available for avdt connection for %s", |
| __func__, ADDRESS_TO_LOGGABLE_CSTR(p_data->str_msg.bd_addr)); |
| AVDT_DisconnectReq(p_data->str_msg.bd_addr, NULL); |
| return; |
| } |
| LOG_INFO("%s: AVDT_CONNECT_IND_EVT: peer %s selected lcb_index %d", |
| __func__, ADDRESS_TO_LOGGABLE_CSTR(p_data->str_msg.bd_addr), xx); |
| |
| tBTA_AV_SCB* p_scb = p_cb->p_scb[xx]; |
| mask = 1 << xx; |
| p_lcb = &p_cb->lcb[xx]; |
| p_lcb->lidx = xx + 1; |
| p_lcb->addr = p_data->str_msg.bd_addr; |
| p_lcb->conn_msk = 0; /* clear the connect mask */ |
| /* start listening when the signal channel is open */ |
| if (p_cb->features & BTA_AV_FEAT_RCTG) { |
| bta_av_rc_create(p_cb, AVCT_ACP, 0, p_lcb->lidx); |
| } |
| /* this entry is not used yet. */ |
| p_cb->conn_lcb |= mask; /* mark it as used */ |
| LOG_VERBOSE("%s: start sig timer %d", __func__, p_data->hdr.offset); |
| if (p_data->hdr.offset == AVDT_ACP) { |
| LOG_VERBOSE("%s: Incoming L2CAP acquired, set state as incoming", |
| __func__); |
| p_scb->OnConnected(p_data->str_msg.bd_addr); |
| p_scb->use_rc = true; /* allowing RC for incoming connection */ |
| bta_av_ssm_execute(p_scb, BTA_AV_ACP_CONNECT_EVT, p_data); |
| |
| /* The Pending Event should be sent as soon as the L2CAP signalling |
| * channel |
| * is set up, which is NOW. Earlier this was done only after |
| * BTA_AV_SIGNALLING_TIMEOUT_MS. |
| * The following function shall send the event and start the |
| * recurring timer |
| */ |
| if (!p_scb->link_signalling_timer) { |
| p_scb->link_signalling_timer = alarm_new("link_signalling_timer"); |
| } |
| BT_HDR hdr; |
| hdr.layer_specific = p_scb->hndl; |
| bta_av_signalling_timer((tBTA_AV_DATA*)&hdr); |
| |
| LOG_VERBOSE("%s: Re-start timer for AVDTP service", __func__); |
| bta_sys_conn_open(BTA_ID_AV, p_scb->app_id, p_scb->PeerAddress()); |
| /* Possible collision : need to avoid outgoing processing while the |
| * timer is running */ |
| p_scb->coll_mask = BTA_AV_COLL_INC_TMR; |
| if (!p_scb->accept_signalling_timer) { |
| p_scb->accept_signalling_timer = alarm_new("accept_signalling_timer"); |
| } |
| alarm_set_on_mloop( |
| p_scb->accept_signalling_timer, BTA_AV_ACCEPT_SIGNALLING_TIMEOUT_MS, |
| bta_av_accept_signalling_timer_cback, UINT_TO_PTR(xx)); |
| } |
| } |
| } |
| else if (event == BTA_AR_AVDT_CONN_EVT) { |
| uint8_t scb_index = p_data->str_msg.scb_index; |
| alarm_cancel(p_cb->p_scb[scb_index]->link_signalling_timer); |
| } |
| else { |
| /* disconnected. */ |
| LOG_VERBOSE("%s: bta_av_cb.conn_lcb=0x%x", __func__, bta_av_cb.conn_lcb); |
| |
| p_lcb = bta_av_find_lcb(p_data->str_msg.bd_addr, BTA_AV_LCB_FREE); |
| if (p_lcb && (p_lcb->conn_msk || bta_av_cb.conn_lcb)) { |
| LOG_VERBOSE("%s: conn_msk: 0x%x", __func__, p_lcb->conn_msk); |
| /* clean up ssm */ |
| for (xx = 0; xx < BTA_AV_NUM_STRS; xx++) { |
| if (p_cb->p_scb[xx] && |
| p_cb->p_scb[xx]->PeerAddress() == p_data->str_msg.bd_addr) { |
| if ((p_cb->p_scb[xx]->state == 1) && |
| alarm_is_scheduled(p_cb->p_scb[xx]->accept_signalling_timer) && |
| interop_match_addr(INTEROP_IGNORE_DISC_BEFORE_SIGNALLING_TIMEOUT, |
| &(p_data->str_msg.bd_addr))) { |
| continue; |
| } |
| LOG_VERBOSE("%s: Closing timer for AVDTP service", __func__); |
| bta_sys_conn_close(BTA_ID_AV, p_cb->p_scb[xx]->app_id, |
| p_cb->p_scb[xx]->PeerAddress()); |
| } |
| mask = 1 << (xx + 1); |
| if (((mask & p_lcb->conn_msk) || bta_av_cb.conn_lcb) && |
| p_cb->p_scb[xx] && |
| p_cb->p_scb[xx]->PeerAddress() == p_data->str_msg.bd_addr) { |
| LOG_WARN("%s: Sending AVDT_DISCONNECT_EVT peer_addr=%s", __func__, |
| ADDRESS_TO_LOGGABLE_CSTR(p_cb->p_scb[xx]->PeerAddress())); |
| bta_av_ssm_execute(p_cb->p_scb[xx], BTA_AV_AVDT_DISCONNECT_EVT, NULL); |
| } |
| } |
| } |
| } |
| LOG_VERBOSE("%s: bta_av_cb.conn_lcb=0x%x after sig_chg", __func__, |
| p_cb->conn_lcb); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_signalling_timer |
| * |
| * Description process the signal channel timer. This timer is started |
| * when the AVDTP signal channel is connected. If no profile |
| * is connected, the timer goes off every |
| * BTA_AV_SIGNALLING_TIMEOUT_MS. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_signalling_timer(UNUSED_ATTR tBTA_AV_DATA* p_data) { |
| tBTA_AV_HNDL hndl = p_data->hdr.layer_specific; |
| tBTA_AV_SCB* p_scb = bta_av_hndl_to_scb(hndl); |
| |
| tBTA_AV_CB* p_cb = &bta_av_cb; |
| int xx; |
| uint8_t mask; |
| tBTA_AV_LCB* p_lcb = NULL; |
| |
| LOG_VERBOSE("%s: conn_lcb=0x%x", __func__, p_cb->conn_lcb); |
| for (xx = 0; xx < BTA_AV_NUM_LINKS; xx++) { |
| p_lcb = &p_cb->lcb[xx]; |
| mask = 1 << xx; |
| LOG_VERBOSE("%s: index=%d conn_lcb=0x%x peer=%s conn_mask=0x%x lidx=%d", |
| __func__, xx, p_cb->conn_lcb, |
| ADDRESS_TO_LOGGABLE_CSTR(p_lcb->addr), p_lcb->conn_msk, |
| p_lcb->lidx); |
| if (mask & p_cb->conn_lcb) { |
| /* this entry is used. check if it is connected */ |
| if (!p_lcb->conn_msk) { |
| LOG_VERBOSE("%s hndl 0x%x", __func__, p_scb->hndl); |
| bta_sys_start_timer(p_scb->link_signalling_timer, |
| BTA_AV_SIGNALLING_TIMEOUT_MS, |
| BTA_AV_SIGNALLING_TIMER_EVT, hndl); |
| tBTA_AV_PEND pend; |
| pend.bd_addr = p_lcb->addr; |
| tBTA_AV bta_av_data; |
| bta_av_data.pend = pend; |
| LOG_VERBOSE( |
| "%s: BTA_AV_PENDING_EVT for %s index=%d conn_mask=0x%x lidx=%d", |
| __func__, ADDRESS_TO_LOGGABLE_CSTR(pend.bd_addr), xx, |
| p_lcb->conn_msk, p_lcb->lidx); |
| (*p_cb->p_cback)(BTA_AV_PENDING_EVT, &bta_av_data); |
| } |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_accept_signalling_timer_cback |
| * |
| * Description Process the timeout when SRC is accepting connection |
| * and SNK did not start signalling. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| static void bta_av_accept_signalling_timer_cback(void* data) { |
| uint32_t inx = PTR_TO_UINT(data); |
| tBTA_AV_CB* p_cb = &bta_av_cb; |
| tBTA_AV_SCB* p_scb = NULL; |
| if (inx < BTA_AV_NUM_STRS) { |
| p_scb = p_cb->p_scb[inx]; |
| } |
| if (p_scb) { |
| LOG_VERBOSE("%s: coll_mask=0x%02x", __func__, p_scb->coll_mask); |
| |
| if (p_scb->coll_mask & BTA_AV_COLL_INC_TMR) { |
| p_scb->coll_mask &= ~BTA_AV_COLL_INC_TMR; |
| |
| if (bta_av_is_scb_opening(p_scb)) { |
| LOG_VERBOSE("%s: stream state opening: SDP started = %d", __func__, |
| p_scb->sdp_discovery_started); |
| if (p_scb->sdp_discovery_started) { |
| /* We are still doing SDP. Run the timer again. */ |
| p_scb->coll_mask |= BTA_AV_COLL_INC_TMR; |
| |
| alarm_set_on_mloop(p_scb->accept_signalling_timer, |
| BTA_AV_ACCEPT_SIGNALLING_TIMEOUT_MS, |
| bta_av_accept_signalling_timer_cback, |
| UINT_TO_PTR(inx)); |
| } else { |
| /* SNK did not start signalling, resume signalling process. */ |
| bta_av_discover_req(p_scb, NULL); |
| } |
| } else if (bta_av_is_scb_incoming(p_scb)) { |
| /* Stay in incoming state if SNK does not start signalling */ |
| |
| LOG_VERBOSE("%s: stream state incoming", __func__); |
| /* API open was called right after SNK opened L2C connection. */ |
| if (p_scb->coll_mask & BTA_AV_COLL_API_CALLED) { |
| p_scb->coll_mask &= ~BTA_AV_COLL_API_CALLED; |
| |
| /* BTA_AV_API_OPEN_EVT */ |
| 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)); |
| bta_sys_sendmsg(p_buf); |
| } |
| } |
| } |
| } |
| } |
| |
| static void bta_av_store_peer_rc_version() { |
| tBTA_AV_CB* p_cb = &bta_av_cb; |
| tSDP_DISC_REC* p_rec = NULL; |
| uint16_t peer_rc_version = 0; /*Assuming Default peer version as 1.3*/ |
| |
| if ((p_rec = get_legacy_stack_sdp_api()->db.SDP_FindServiceInDb( |
| p_cb->p_disc_db, UUID_SERVCLASS_AV_REMOTE_CONTROL, NULL)) != NULL) { |
| if ((get_legacy_stack_sdp_api()->record.SDP_FindAttributeInRec( |
| p_rec, ATTR_ID_BT_PROFILE_DESC_LIST)) != NULL) { |
| /* get profile version (if failure, version parameter is not updated) */ |
| get_legacy_stack_sdp_api()->record.SDP_FindProfileVersionInRec( |
| p_rec, UUID_SERVCLASS_AV_REMOTE_CONTROL, &peer_rc_version); |
| } |
| if (peer_rc_version != 0) |
| DEVICE_IOT_CONFIG_ADDR_SET_HEX_IF_GREATER( |
| p_rec->remote_bd_addr, IOT_CONF_KEY_AVRCP_CTRL_VERSION, |
| peer_rc_version, IOT_CONF_BYTE_NUM_2); |
| } |
| |
| peer_rc_version = 0; |
| if ((p_rec = get_legacy_stack_sdp_api()->db.SDP_FindServiceInDb( |
| p_cb->p_disc_db, UUID_SERVCLASS_AV_REM_CTRL_TARGET, NULL)) != NULL) { |
| if ((get_legacy_stack_sdp_api()->record.SDP_FindAttributeInRec( |
| p_rec, ATTR_ID_BT_PROFILE_DESC_LIST)) != NULL) { |
| /* get profile version (if failure, version parameter is not updated) */ |
| get_legacy_stack_sdp_api()->record.SDP_FindProfileVersionInRec( |
| p_rec, UUID_SERVCLASS_AV_REMOTE_CONTROL, &peer_rc_version); |
| } |
| if (peer_rc_version != 0) |
| DEVICE_IOT_CONFIG_ADDR_SET_HEX_IF_GREATER( |
| p_rec->remote_bd_addr, IOT_CONF_KEY_AVRCP_TG_VERSION, peer_rc_version, |
| IOT_CONF_BYTE_NUM_2); |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_check_peer_features |
| * |
| * Description check supported features on the peer device from the SDP |
| * record and return the feature mask |
| * |
| * Returns tBTA_AV_FEAT peer device feature mask |
| * |
| ******************************************************************************/ |
| tBTA_AV_FEAT bta_av_check_peer_features(uint16_t service_uuid) { |
| tBTA_AV_FEAT peer_features = 0; |
| tBTA_AV_CB* p_cb = &bta_av_cb; |
| tSDP_DISC_REC* p_rec = NULL; |
| tSDP_DISC_ATTR* p_attr; |
| uint16_t peer_rc_version = 0; |
| uint16_t categories = 0; |
| |
| LOG_VERBOSE("%s: service_uuid:x%x", __func__, service_uuid); |
| /* loop through all records we found */ |
| while (true) { |
| /* get next record; if none found, we're done */ |
| p_rec = get_legacy_stack_sdp_api()->db.SDP_FindServiceInDb( |
| p_cb->p_disc_db, service_uuid, p_rec); |
| if (p_rec == NULL) { |
| break; |
| } |
| |
| if ((get_legacy_stack_sdp_api()->record.SDP_FindAttributeInRec( |
| p_rec, ATTR_ID_SERVICE_CLASS_ID_LIST)) != NULL) { |
| /* find peer features */ |
| if (get_legacy_stack_sdp_api()->db.SDP_FindServiceInDb( |
| p_cb->p_disc_db, UUID_SERVCLASS_AV_REMOTE_CONTROL, NULL)) { |
| peer_features |= BTA_AV_FEAT_RCCT; |
| } |
| if (get_legacy_stack_sdp_api()->db.SDP_FindServiceInDb( |
| p_cb->p_disc_db, UUID_SERVCLASS_AV_REM_CTRL_TARGET, NULL)) { |
| peer_features |= BTA_AV_FEAT_RCTG; |
| } |
| } |
| |
| if ((get_legacy_stack_sdp_api()->record.SDP_FindAttributeInRec( |
| p_rec, ATTR_ID_BT_PROFILE_DESC_LIST)) != NULL) { |
| /* get profile version (if failure, version parameter is not updated) */ |
| get_legacy_stack_sdp_api()->record.SDP_FindProfileVersionInRec( |
| p_rec, UUID_SERVCLASS_AV_REMOTE_CONTROL, &peer_rc_version); |
| LOG_VERBOSE("%s: peer_rc_version 0x%x", __func__, peer_rc_version); |
| |
| if (peer_rc_version >= AVRC_REV_1_3) |
| peer_features |= (BTA_AV_FEAT_VENDOR | BTA_AV_FEAT_METADATA); |
| |
| if (peer_rc_version >= AVRC_REV_1_4) { |
| /* get supported categories */ |
| p_attr = get_legacy_stack_sdp_api()->record.SDP_FindAttributeInRec( |
| p_rec, ATTR_ID_SUPPORTED_FEATURES); |
| if (p_attr != NULL && |
| SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) == UINT_DESC_TYPE && |
| SDP_DISC_ATTR_LEN(p_attr->attr_len_type) >= 2) { |
| categories = p_attr->attr_value.v.u16; |
| if (categories & AVRC_SUPF_CT_CAT2) |
| peer_features |= (BTA_AV_FEAT_ADV_CTRL); |
| if (categories & AVRC_SUPF_CT_BROWSE) |
| peer_features |= (BTA_AV_FEAT_BROWSE); |
| } |
| } |
| } |
| } |
| LOG_VERBOSE("%s: peer_features:x%x", __func__, peer_features); |
| return peer_features; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_avk_check_peer_features |
| * |
| * Description check supported features on the peer device from the SDP |
| * record and return the feature mask |
| * |
| * Returns tBTA_AV_FEAT peer device feature mask |
| * |
| ******************************************************************************/ |
| tBTA_AV_FEAT bta_avk_check_peer_features(uint16_t service_uuid) { |
| tBTA_AV_FEAT peer_features = 0; |
| tBTA_AV_CB* p_cb = &bta_av_cb; |
| |
| LOG_VERBOSE("%s: service_uuid:x%x", __func__, service_uuid); |
| |
| /* loop through all records we found */ |
| tSDP_DISC_REC* p_rec = get_legacy_stack_sdp_api()->db.SDP_FindServiceInDb( |
| p_cb->p_disc_db, service_uuid, NULL); |
| while (p_rec) { |
| LOG_VERBOSE("%s: found Service record for x%x", __func__, service_uuid); |
| |
| if ((get_legacy_stack_sdp_api()->record.SDP_FindAttributeInRec( |
| p_rec, ATTR_ID_SERVICE_CLASS_ID_LIST)) != NULL) { |
| /* find peer features */ |
| if (get_legacy_stack_sdp_api()->db.SDP_FindServiceInDb( |
| p_cb->p_disc_db, UUID_SERVCLASS_AV_REMOTE_CONTROL, NULL)) { |
| peer_features |= BTA_AV_FEAT_RCCT; |
| } |
| if (get_legacy_stack_sdp_api()->db.SDP_FindServiceInDb( |
| p_cb->p_disc_db, UUID_SERVCLASS_AV_REM_CTRL_TARGET, NULL)) { |
| peer_features |= BTA_AV_FEAT_RCTG; |
| } |
| } |
| |
| if ((get_legacy_stack_sdp_api()->record.SDP_FindAttributeInRec( |
| p_rec, ATTR_ID_BT_PROFILE_DESC_LIST)) != NULL) { |
| /* get profile version (if failure, version parameter is not updated) */ |
| uint16_t peer_rc_version = 0; |
| bool val = get_legacy_stack_sdp_api()->record.SDP_FindProfileVersionInRec( |
| p_rec, UUID_SERVCLASS_AV_REMOTE_CONTROL, &peer_rc_version); |
| LOG_VERBOSE("%s: peer_rc_version for TG 0x%x, profile_found %d", __func__, |
| peer_rc_version, val); |
| |
| if (peer_rc_version >= AVRC_REV_1_3) |
| peer_features |= (BTA_AV_FEAT_VENDOR | BTA_AV_FEAT_METADATA); |
| |
| /* Get supported features */ |
| tSDP_DISC_ATTR* p_attr = |
| get_legacy_stack_sdp_api()->record.SDP_FindAttributeInRec( |
| p_rec, ATTR_ID_SUPPORTED_FEATURES); |
| if (p_attr != NULL && |
| SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) == UINT_DESC_TYPE && |
| SDP_DISC_ATTR_LEN(p_attr->attr_len_type) >= 2) { |
| uint16_t categories = p_attr->attr_value.v.u16; |
| /* |
| * Though Absolute Volume came after in 1.4 and above, but there are |
| * few devices in market which supports absolute Volume and they are |
| * still 1.3. To avoid IOP issuses with those devices, we check for |
| * 1.3 as minimum version |
| */ |
| if (peer_rc_version >= AVRC_REV_1_3) { |
| if (categories & AVRC_SUPF_TG_CAT2) |
| peer_features |= (BTA_AV_FEAT_ADV_CTRL); |
| if (categories & AVRC_SUPF_TG_APP_SETTINGS) |
| peer_features |= (BTA_AV_FEAT_APP_SETTING); |
| if (categories & AVRC_SUPF_TG_BROWSE) |
| peer_features |= (BTA_AV_FEAT_BROWSE); |
| } |
| |
| /* AVRCP Cover Artwork over BIP */ |
| if (peer_rc_version >= AVRC_REV_1_6) { |
| if (service_uuid == UUID_SERVCLASS_AV_REM_CTRL_TARGET && |
| categories & AVRC_SUPF_TG_PLAYER_COVER_ART) |
| peer_features |= (BTA_AV_FEAT_COVER_ARTWORK); |
| } |
| } |
| } |
| /* get next record; if none found, we're done */ |
| p_rec = get_legacy_stack_sdp_api()->db.SDP_FindServiceInDb( |
| p_cb->p_disc_db, service_uuid, p_rec); |
| } |
| LOG_VERBOSE("%s: peer_features:x%x", __func__, peer_features); |
| return peer_features; |
| } |
| |
| /****************************************************************************** |
| * |
| * Function bta_avk_get_cover_art_psm |
| * |
| * Description Get the PSM associated with the AVRCP Target cover art |
| * feature |
| * |
| * Returns uint16_t PSM value used to get cover artwork, or 0x0000 if |
| * one does not exist. |
| * |
| *****************************************************************************/ |
| uint16_t bta_avk_get_cover_art_psm() { |
| LOG_VERBOSE("%s: searching for cover art psm", __func__); |
| /* Cover Art L2CAP PSM is only available on a target device */ |
| tBTA_AV_CB* p_cb = &bta_av_cb; |
| tSDP_DISC_REC* p_rec = get_legacy_stack_sdp_api()->db.SDP_FindServiceInDb( |
| p_cb->p_disc_db, UUID_SERVCLASS_AV_REM_CTRL_TARGET, NULL); |
| while (p_rec) { |
| tSDP_DISC_ATTR* p_attr = |
| (get_legacy_stack_sdp_api()->record.SDP_FindAttributeInRec( |
| p_rec, ATTR_ID_ADDITION_PROTO_DESC_LISTS)); |
| /* |
| * If we have the Additional Protocol Description Lists attribute then we |
| * specifically want the list that is an L2CAP protocol leading to OBEX. |
| * Because the is a case where cover art is supported and browsing isn't |
| * we need to check each list for the one we want. |
| * |
| * This means we need to do drop down into the protocol list and do a |
| * "for each protocol, for each protocol element, for each protocol element |
| * list parameter, if the parameter is L2CAP then find the PSM associated |
| * with it, then make sure we see OBEX in that same protocol" |
| */ |
| if (p_attr != NULL && SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) |
| == DATA_ELE_SEQ_DESC_TYPE) { |
| // Point to first in List of protocols (i.e [(L2CAP -> AVCTP), |
| // (L2CAP -> OBEX)]) |
| tSDP_DISC_ATTR* p_protocol_list = p_attr->attr_value.v.p_sub_attr; |
| while (p_protocol_list != NULL) { |
| if (SDP_DISC_ATTR_TYPE(p_protocol_list->attr_len_type) |
| == DATA_ELE_SEQ_DESC_TYPE) { |
| // Point to fist in list of protocol elements (i.e. [L2CAP, AVCTP]) |
| tSDP_DISC_ATTR* p_protocol = |
| p_protocol_list->attr_value.v.p_sub_attr; |
| bool protocol_has_obex = false; |
| bool protocol_has_l2cap = false; |
| uint16_t psm = 0x0000; |
| while (p_protocol) { |
| if (SDP_DISC_ATTR_TYPE(p_protocol->attr_len_type) |
| == DATA_ELE_SEQ_DESC_TYPE) { |
| // Point to first item protocol parameters list (i.e [UUID=L2CAP, |
| // PSM=0x1234]) |
| tSDP_DISC_ATTR* p_protocol_param = |
| p_protocol->attr_value.v.p_sub_attr; |
| /* |
| * Currently there's only ever one UUID and one parameter. L2cap |
| * has a single PSM, AVCTP has a version and OBEX has nothing. |
| * Change this if that ever changes. |
| */ |
| uint16_t protocol_uuid = 0; |
| uint16_t protocol_param = 0; |
| while (p_protocol_param) { |
| uint16_t param_type = |
| SDP_DISC_ATTR_TYPE(p_protocol_param->attr_len_type); |
| uint16_t param_len = |
| SDP_DISC_ATTR_LEN(p_protocol_param->attr_len_type); |
| if (param_type == UUID_DESC_TYPE) { |
| protocol_uuid = p_protocol_param->attr_value.v.u16; |
| } else if (param_type == UINT_DESC_TYPE) { |
| protocol_param = (param_len == 2) |
| ? p_protocol_param->attr_value.v.u16 |
| : p_protocol_param->attr_value.v.u8; |
| } /* else dont care */ |
| p_protocol_param = p_protocol_param->p_next_attr; // next |
| } |
| // If we've found L2CAP then the parameter is a PSM |
| if (protocol_uuid == UUID_PROTOCOL_L2CAP) { |
| protocol_has_l2cap = true; |
| psm = protocol_param; |
| } else if (protocol_uuid == UUID_PROTOCOL_OBEX) { |
| protocol_has_obex = true; |
| } |
| } |
| // If this protocol has l2cap and obex then we're found the BIP PSM |
| if (protocol_has_l2cap && protocol_has_obex) { |
| LOG_VERBOSE("%s: found psm 0x%x", __func__, psm); |
| return psm; |
| } |
| p_protocol = p_protocol->p_next_attr; // next protocol element |
| } |
| } |
| p_protocol_list = p_protocol_list->p_next_attr; // next protocol |
| } |
| } |
| /* get next record; if none found, we're done */ |
| p_rec = get_legacy_stack_sdp_api()->db.SDP_FindServiceInDb( |
| p_cb->p_disc_db, UUID_SERVCLASS_AV_REM_CTRL_TARGET, p_rec); |
| } |
| /* L2CAP PSM range is 0x1000-0xFFFF so 0x0000 is safe default invalid */ |
| LOG_VERBOSE("%s: could not find a BIP psm", __func__); |
| return 0x0000; |
| } |
| |
| void bta_av_rc_disc_done_all(UNUSED_ATTR tBTA_AV_DATA* p_data) { |
| tBTA_AV_CB* p_cb = &bta_av_cb; |
| tBTA_AV_SCB* p_scb = NULL; |
| tBTA_AV_LCB* p_lcb; |
| uint8_t rc_handle = BTA_AV_RC_HANDLE_NONE; |
| tBTA_AV_FEAT peer_tg_features = 0; |
| tBTA_AV_FEAT peer_ct_features = 0; |
| uint16_t cover_art_psm = 0x0000; |
| |
| LOG_VERBOSE("%s: bta_av_rc_disc_done disc:x%x", __func__, p_cb->disc); |
| if (!p_cb->disc) { |
| return; |
| } |
| |
| if ((p_cb->disc & BTA_AV_CHNL_MSK) == BTA_AV_CHNL_MSK) { |
| /* this is the rc handle/index to tBTA_AV_RCB */ |
| rc_handle = p_cb->disc & (~BTA_AV_CHNL_MSK); |
| LOG_ERROR("%s: WRONG MASK A2dp not connect", __func__); |
| } else { |
| /* Validate array index*/ |
| if (((p_cb->disc & BTA_AV_HNDL_MSK) - 1) < BTA_AV_NUM_STRS) { |
| LOG_VERBOSE("%s: wrong data bta_av_rc_disc_done disc:x%x", __func__, |
| p_cb->disc); |
| p_scb = p_cb->p_scb[(p_cb->disc & BTA_AV_HNDL_MSK) - 1]; |
| } |
| if (p_scb) { |
| rc_handle = p_scb->rc_handle; |
| } else { |
| p_cb->disc = 0; |
| return; |
| } |
| } |
| |
| LOG_VERBOSE("%s: rc_handle %d", __func__, rc_handle); |
| if (p_cb->sdp_a2dp_snk_handle) { |
| /* This is Sink + CT + TG(Abs Vol) */ |
| peer_tg_features = |
| bta_avk_check_peer_features(UUID_SERVCLASS_AV_REM_CTRL_TARGET); |
| LOG_VERBOSE("%s: populating rem ctrl target features %d", __func__, |
| peer_tg_features); |
| if (BTA_AV_FEAT_ADV_CTRL & |
| bta_avk_check_peer_features(UUID_SERVCLASS_AV_REMOTE_CONTROL)) |
| peer_tg_features |= (BTA_AV_FEAT_ADV_CTRL | BTA_AV_FEAT_RCCT); |
| |
| if (peer_tg_features & BTA_AV_FEAT_COVER_ARTWORK) |
| cover_art_psm = bta_avk_get_cover_art_psm(); |
| |
| LOG_VERBOSE("%s: populating rem ctrl target bip psm 0x%x", __func__, |
| cover_art_psm); |
| } else if (p_cb->sdp_a2dp_handle) { |
| /* check peer version and whether support CT and TG role */ |
| peer_ct_features = |
| bta_av_check_peer_features(UUID_SERVCLASS_AV_REMOTE_CONTROL); |
| if ((p_cb->features & BTA_AV_FEAT_ADV_CTRL) && |
| ((peer_ct_features & BTA_AV_FEAT_ADV_CTRL) == 0)) { |
| /* if we support advance control and peer does not, check their support on |
| * TG role |
| * some implementation uses 1.3 on CT ans 1.4 on TG */ |
| peer_ct_features |= |
| bta_av_check_peer_features(UUID_SERVCLASS_AV_REM_CTRL_TARGET); |
| } |
| |
| /* Change our features if the remote AVRCP version is 1.3 or less */ |
| tSDP_DISC_REC* p_rec = nullptr; |
| p_rec = get_legacy_stack_sdp_api()->db.SDP_FindServiceInDb( |
| p_cb->p_disc_db, UUID_SERVCLASS_AV_REMOTE_CONTROL, p_rec); |
| if (p_rec != NULL && |
| get_legacy_stack_sdp_api()->record.SDP_FindAttributeInRec( |
| p_rec, ATTR_ID_BT_PROFILE_DESC_LIST) != NULL) { |
| /* get profile version (if failure, version parameter is not updated) */ |
| uint16_t peer_rc_version = 0xFFFF; // Don't change the AVRCP version |
| get_legacy_stack_sdp_api()->record.SDP_FindProfileVersionInRec( |
| p_rec, UUID_SERVCLASS_AV_REMOTE_CONTROL, &peer_rc_version); |
| if (peer_rc_version <= AVRC_REV_1_3) { |
| LOG_VERBOSE("%s: Using AVRCP 1.3 Capabilities with remote device", |
| __func__); |
| p_bta_av_cfg = &bta_av_cfg_compatibility; |
| } |
| } |
| } |
| |
| p_cb->disc = 0; |
| osi_free_and_reset((void**)&p_cb->p_disc_db); |
| p_cb->rc_feature.peer_ct_features = peer_ct_features; |
| p_cb->rc_feature.peer_tg_features = peer_tg_features; |
| p_cb->rc_feature.rc_handle = rc_handle; |
| if (p_scb) p_cb->rc_feature.peer_addr = p_scb->PeerAddress(); |
| |
| LOG_VERBOSE("peer_tg_features 0x%x, peer_ct_features 0x%x, features 0x%x", |
| peer_tg_features, peer_ct_features, p_cb->features); |
| |
| /* if we have no rc connection */ |
| if (rc_handle == BTA_AV_RC_HANDLE_NONE) { |
| if (p_scb) { |
| /* if peer remote control service matches ours and USE_RC is true */ |
| if ((((p_cb->features & BTA_AV_FEAT_RCCT) && |
| (peer_tg_features & BTA_AV_FEAT_RCTG)) || |
| ((p_cb->features & BTA_AV_FEAT_RCTG) && |
| (peer_ct_features & BTA_AV_FEAT_RCCT)))) { |
| p_lcb = bta_av_find_lcb(p_scb->PeerAddress(), BTA_AV_LCB_FIND); |
| if (p_lcb) { |
| rc_handle = bta_av_rc_create(p_cb, AVCT_INT, |
| (uint8_t)(p_scb->hdi + 1), p_lcb->lidx); |
| if (rc_handle != BTA_AV_RC_HANDLE_NONE) { |
| p_cb->rcb[rc_handle].peer_ct_features = peer_ct_features; |
| p_cb->rcb[rc_handle].peer_tg_features = peer_tg_features; |
| p_cb->rcb[rc_handle].peer_features = 0; |
| p_cb->rcb[rc_handle].cover_art_psm = cover_art_psm; |
| } else { |
| /* cannot create valid rc_handle for current device. report failure |
| */ |
| LOG_ERROR("%s: no link resources available", __func__); |
| p_scb->use_rc = false; |
| tBTA_AV bta_av_data = { |
| .rc_open = |
| { |
| .peer_addr = p_scb->PeerAddress(), |
| .status = BTA_AV_FAIL_RESOURCES, |
| }, |
| }; |
| (*p_cb->p_cback)(BTA_AV_RC_OPEN_EVT, &bta_av_data); |
| } |
| } else { |
| LOG_ERROR("%s: can not find LCB!!", __func__); |
| } |
| } else if (p_scb->use_rc) { |
| /* can not find AVRC on peer device. report failure */ |
| p_scb->use_rc = false; |
| tBTA_AV bta_av_data = { |
| .rc_open = |
| { |
| .peer_ct_features = peer_ct_features, |
| .peer_tg_features = peer_tg_features, |
| .peer_addr = p_scb->PeerAddress(), |
| .status = BTA_AV_FAIL_SDP, |
| }, |
| }; |
| (*p_cb->p_cback)(BTA_AV_RC_OPEN_EVT, &bta_av_data); |
| } |
| } |
| } else { |
| p_cb->rcb[rc_handle].peer_ct_features = peer_ct_features; |
| p_cb->rcb[rc_handle].peer_tg_features = peer_tg_features; |
| p_cb->rcb[rc_handle].peer_features = 0; |
| |
| RawAddress peer_addr = RawAddress::kEmpty; |
| if (p_scb == NULL) { |
| /* |
| * In case scb is not created by the time we are done with SDP |
| * we still need to send RC feature event. So we need to get BD |
| * from Message. Note that lidx is 1 based not 0 based |
| */ |
| if (p_cb->rcb[rc_handle].lidx > 0) |
| peer_addr = p_cb->lcb[p_cb->rcb[rc_handle].lidx - 1].addr; |
| else |
| peer_addr = p_cb->lcb[p_cb->rcb[rc_handle].lidx].addr; |
| } else { |
| peer_addr = p_scb->PeerAddress(); |
| } |
| |
| tBTA_AV bta_av_feat = {.rc_feat = { |
| .rc_handle = rc_handle, |
| .peer_ct_features = peer_ct_features, |
| .peer_tg_features = peer_tg_features, |
| .peer_addr = peer_addr, |
| }}; |
| (*p_cb->p_cback)(BTA_AV_RC_FEAT_EVT, &bta_av_feat); |
| |
| // Send PSM data |
| LOG_VERBOSE("%s: Send PSM data. rc_psm = %#x", __func__, cover_art_psm); |
| p_cb->rcb[rc_handle].cover_art_psm = cover_art_psm; |
| tBTA_AV bta_av_psm = { |
| .rc_cover_art_psm = |
| { |
| .rc_handle = rc_handle, |
| .cover_art_psm = cover_art_psm, |
| .peer_addr = peer_addr, |
| }, |
| }; |
| (*p_cb->p_cback)(BTA_AV_RC_PSM_EVT, &bta_av_psm); |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_rc_disc_done |
| * |
| * Description Handle AVRCP service discovery results. If matching |
| * service found, open AVRCP connection. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_rc_disc_done(UNUSED_ATTR tBTA_AV_DATA* p_data) { |
| tBTA_AV_CB* p_cb = &bta_av_cb; |
| tBTA_AV_SCB* p_scb = NULL; |
| tBTA_AV_LCB* p_lcb; |
| uint8_t rc_handle; |
| tBTA_AV_FEAT peer_features = 0; /* peer features mask */ |
| uint16_t cover_art_psm = 0x0000; |
| |
| if (btif_av_both_enable()) { |
| bta_av_rc_disc_done_all(p_data); |
| return; |
| } |
| |
| LOG_VERBOSE("%s: bta_av_rc_disc_done disc:x%x", __func__, p_cb->disc); |
| if (!p_cb->disc) { |
| return; |
| } |
| |
| if ((p_cb->disc & BTA_AV_CHNL_MSK) == BTA_AV_CHNL_MSK) { |
| /* this is the rc handle/index to tBTA_AV_RCB */ |
| rc_handle = p_cb->disc & (~BTA_AV_CHNL_MSK); |
| } else { |
| /* Validate array index*/ |
| if (((p_cb->disc & BTA_AV_HNDL_MSK) - 1) < BTA_AV_NUM_STRS) { |
| p_scb = p_cb->p_scb[(p_cb->disc & BTA_AV_HNDL_MSK) - 1]; |
| } |
| if (p_scb) { |
| rc_handle = p_scb->rc_handle; |
| } else { |
| p_cb->disc = 0; |
| return; |
| } |
| } |
| |
| LOG_VERBOSE("%s: rc_handle %d", __func__, rc_handle); |
| if (p_cb->sdp_a2dp_snk_handle) { |
| /* This is Sink + CT + TG(Abs Vol) */ |
| peer_features = |
| bta_avk_check_peer_features(UUID_SERVCLASS_AV_REM_CTRL_TARGET); |
| LOG_VERBOSE("%s: populating rem ctrl target features %d", __func__, |
| peer_features); |
| if (BTA_AV_FEAT_ADV_CTRL & |
| bta_avk_check_peer_features(UUID_SERVCLASS_AV_REMOTE_CONTROL)) |
| peer_features |= (BTA_AV_FEAT_ADV_CTRL | BTA_AV_FEAT_RCCT); |
| |
| if (peer_features & BTA_AV_FEAT_COVER_ARTWORK) |
| cover_art_psm = bta_avk_get_cover_art_psm(); |
| |
| LOG_VERBOSE("%s: populating rem ctrl target bip psm 0x%x", __func__, |
| cover_art_psm); |
| } else if (p_cb->sdp_a2dp_handle) { |
| /* check peer version and whether support CT and TG role */ |
| peer_features = |
| bta_av_check_peer_features(UUID_SERVCLASS_AV_REMOTE_CONTROL); |
| if ((p_cb->features & BTA_AV_FEAT_ADV_CTRL) && |
| ((peer_features & BTA_AV_FEAT_ADV_CTRL) == 0)) { |
| /* if we support advance control and peer does not, check their support on |
| * TG role |
| * some implementation uses 1.3 on CT ans 1.4 on TG */ |
| peer_features |= |
| bta_av_check_peer_features(UUID_SERVCLASS_AV_REM_CTRL_TARGET); |
| } |
| |
| /* Change our features if the remote AVRCP version is 1.3 or less */ |
| tSDP_DISC_REC* p_rec = nullptr; |
| p_rec = get_legacy_stack_sdp_api()->db.SDP_FindServiceInDb( |
| p_cb->p_disc_db, UUID_SERVCLASS_AV_REMOTE_CONTROL, p_rec); |
| if (p_rec != NULL && |
| get_legacy_stack_sdp_api()->record.SDP_FindAttributeInRec( |
| p_rec, ATTR_ID_BT_PROFILE_DESC_LIST) != NULL) { |
| /* get profile version (if failure, version parameter is not updated) */ |
| uint16_t peer_rc_version = 0xFFFF; // Don't change the AVRCP version |
| get_legacy_stack_sdp_api()->record.SDP_FindProfileVersionInRec( |
| p_rec, UUID_SERVCLASS_AV_REMOTE_CONTROL, &peer_rc_version); |
| if (peer_rc_version <= AVRC_REV_1_3) { |
| LOG_VERBOSE("%s: Using AVRCP 1.3 Capabilities with remote device", |
| __func__); |
| p_bta_av_cfg = &bta_av_cfg_compatibility; |
| } |
| } |
| } |
| |
| bta_av_store_peer_rc_version(); |
| |
| p_cb->disc = 0; |
| osi_free_and_reset((void**)&p_cb->p_disc_db); |
| |
| LOG_VERBOSE("%s: peer_features 0x%x, features 0x%x", __func__, peer_features, |
| p_cb->features); |
| |
| /* if we have no rc connection */ |
| if (rc_handle == BTA_AV_RC_HANDLE_NONE) { |
| if (p_scb) { |
| /* if peer remote control service matches ours and USE_RC is true */ |
| if ((((p_cb->features & BTA_AV_FEAT_RCCT) && |
| (peer_features & BTA_AV_FEAT_RCTG)) || |
| ((p_cb->features & BTA_AV_FEAT_RCTG) && |
| (peer_features & BTA_AV_FEAT_RCCT)))) { |
| p_lcb = bta_av_find_lcb(p_scb->PeerAddress(), BTA_AV_LCB_FIND); |
| if (p_lcb) { |
| rc_handle = bta_av_rc_create(p_cb, AVCT_INT, |
| (uint8_t)(p_scb->hdi + 1), p_lcb->lidx); |
| if (rc_handle < BTA_AV_NUM_RCB) { |
| p_cb->rcb[rc_handle].peer_features = peer_features; |
| p_cb->rcb[rc_handle].cover_art_psm = cover_art_psm; |
| } else { |
| /* cannot create valid rc_handle for current device. report failure |
| */ |
| LOG_ERROR("%s: no link resources available", __func__); |
| p_scb->use_rc = false; |
| tBTA_AV_RC_OPEN rc_open; |
| rc_open.peer_addr = p_scb->PeerAddress(); |
| rc_open.peer_features = 0; |
| rc_open.cover_art_psm = 0; |
| rc_open.status = BTA_AV_FAIL_RESOURCES; |
| tBTA_AV bta_av_data; |
| bta_av_data.rc_open = rc_open; |
| (*p_cb->p_cback)(BTA_AV_RC_OPEN_EVT, &bta_av_data); |
| } |
| } else { |
| LOG_ERROR("%s: can not find LCB!!", __func__); |
| } |
| } else if (p_scb->use_rc) { |
| /* can not find AVRC on peer device. report failure */ |
| p_scb->use_rc = false; |
| tBTA_AV bta_av_data = { |
| .rc_open = { |
| .rc_handle = BTA_AV_RC_HANDLE_NONE, |
| .cover_art_psm = 0, |
| .peer_features = 0, |
| .peer_addr = p_scb->PeerAddress(), |
| .status = BTA_AV_FAIL_SDP, |
| }, |
| }; |
| (*p_cb->p_cback)(BTA_AV_RC_OPEN_EVT, &bta_av_data); |
| } |
| if (peer_features != 0) |
| DEVICE_IOT_CONFIG_ADDR_SET_HEX(p_scb->PeerAddress(), |
| IOT_CONF_KEY_AVRCP_FEATURES, |
| peer_features, IOT_CONF_BYTE_NUM_2); |
| } |
| } else { |
| tBTA_AV_RC_FEAT rc_feat; |
| p_cb->rcb[rc_handle].peer_features = peer_features; |
| rc_feat.rc_handle = rc_handle; |
| rc_feat.peer_features = peer_features; |
| if (p_scb == NULL) { |
| /* |
| * In case scb is not created by the time we are done with SDP |
| * we still need to send RC feature event. So we need to get BD |
| * from Message. Note that lidx is 1 based not 0 based |
| */ |
| rc_feat.peer_addr = p_cb->lcb[p_cb->rcb[rc_handle].lidx - 1].addr; |
| } else { |
| rc_feat.peer_addr = p_scb->PeerAddress(); |
| } |
| |
| tBTA_AV bta_av_feat; |
| bta_av_feat.rc_feat = rc_feat; |
| (*p_cb->p_cback)(BTA_AV_RC_FEAT_EVT, &bta_av_feat); |
| |
| if (peer_features != 0) |
| DEVICE_IOT_CONFIG_ADDR_SET_HEX(rc_feat.peer_addr, |
| IOT_CONF_KEY_AVRCP_FEATURES, peer_features, |
| IOT_CONF_BYTE_NUM_2); |
| |
| // Send PSM data |
| LOG_VERBOSE("%s: Send PSM data", __func__); |
| tBTA_AV_RC_PSM rc_psm; |
| p_cb->rcb[rc_handle].cover_art_psm = cover_art_psm; |
| rc_psm.rc_handle = rc_handle; |
| rc_psm.cover_art_psm = cover_art_psm; |
| if (p_scb == NULL) { |
| rc_psm.peer_addr = p_cb->lcb[p_cb->rcb[rc_handle].lidx - 1].addr; |
| } else { |
| rc_psm.peer_addr = p_scb->PeerAddress(); |
| } |
| |
| LOG_VERBOSE("%s: rc_psm = 0x%x", __func__, rc_psm.cover_art_psm); |
| |
| tBTA_AV bta_av_psm; |
| bta_av_psm.rc_cover_art_psm = rc_psm; |
| (*p_cb->p_cback)(BTA_AV_RC_PSM_EVT, &bta_av_psm); |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_rc_closed |
| * |
| * Description Set AVRCP state to closed. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_rc_closed(tBTA_AV_DATA* p_data) { |
| tBTA_AV_CB* p_cb = &bta_av_cb; |
| tBTA_AV_RC_CLOSE rc_close; |
| tBTA_AV_RC_CONN_CHG* p_msg = (tBTA_AV_RC_CONN_CHG*)p_data; |
| tBTA_AV_RCB* p_rcb; |
| tBTA_AV_SCB* p_scb; |
| int i; |
| bool conn = false; |
| tBTA_AV_LCB* p_lcb; |
| |
| rc_close.rc_handle = BTA_AV_RC_HANDLE_NONE; |
| rc_close.peer_addr = RawAddress::kEmpty; |
| p_scb = NULL; |
| LOG_VERBOSE("%s: rc_handle:%d, address:%s", __func__, p_msg->handle, |
| ADDRESS_TO_LOGGABLE_CSTR(p_msg->peer_addr)); |
| for (i = 0; i < BTA_AV_NUM_RCB; i++) { |
| p_rcb = &p_cb->rcb[i]; |
| LOG_VERBOSE("%s: rcb[%d] rc_handle:%d, status=0x%x, shdl:%d, lidx:%d", |
| __func__, i, p_rcb->handle, p_rcb->status, p_rcb->shdl, |
| p_rcb->lidx); |
| if (p_rcb->handle == p_msg->handle) { |
| if (btif_av_src_sink_coexist_enabled() && p_rcb->shdl && |
| (p_rcb->shdl - 1) < BTA_AV_NUM_STRS) { |
| p_scb = bta_av_cb.p_scb[p_rcb->shdl - 1]; |
| if (p_scb && !(p_scb->PeerAddress() == p_msg->peer_addr)) { |
| LOG_VERBOSE("%s: handle%d %s error p_scb or addr", __func__, i, |
| ADDRESS_TO_LOGGABLE_CSTR(p_scb->PeerAddress())); |
| conn = true; |
| continue; |
| } |
| } |
| rc_close.rc_handle = i; |
| p_rcb->status &= ~BTA_AV_RC_CONN_MASK; |
| p_rcb->peer_features = 0; |
| p_rcb->cover_art_psm = 0; |
| p_rcb->peer_ct_features = 0; |
| p_rcb->peer_tg_features = 0; |
| p_cb->rc_feature = {}; |
| LOG_VERBOSE("%s: shdl:%d, lidx:%d", __func__, p_rcb->shdl, p_rcb->lidx); |
| if (p_rcb->shdl) { |
| if ((p_rcb->shdl - 1) < BTA_AV_NUM_STRS) { |
| p_scb = bta_av_cb.p_scb[p_rcb->shdl - 1]; |
| } |
| if (p_scb) { |
| rc_close.peer_addr = p_scb->PeerAddress(); |
| if (p_scb->rc_handle == p_rcb->handle) |
| p_scb->rc_handle = BTA_AV_RC_HANDLE_NONE; |
| LOG_VERBOSE("%s: shdl:%d, srch:%d", __func__, p_rcb->shdl, |
| p_scb->rc_handle); |
| } |
| p_rcb->shdl = 0; |
| } else if (p_rcb->lidx == (BTA_AV_NUM_LINKS + 1)) { |
| /* if the RCB uses the extra LCB, use the addr for event and clean it */ |
| p_lcb = &p_cb->lcb[BTA_AV_NUM_LINKS]; |
| rc_close.peer_addr = p_msg->peer_addr; |
| LOG_INFO("%s: rc_only closed bd_addr: %s", __func__, |
| ADDRESS_TO_LOGGABLE_CSTR(p_msg->peer_addr)); |
| p_lcb->conn_msk = 0; |
| p_lcb->lidx = 0; |
| } |
| p_rcb->lidx = 0; |
| |
| if ((p_rcb->status & BTA_AV_RC_ROLE_MASK) == BTA_AV_RC_ROLE_INT) { |
| /* AVCT CCB is deallocated */ |
| p_rcb->handle = BTA_AV_RC_HANDLE_NONE; |
| p_rcb->status = 0; |
| } else { |
| /* AVCT CCB is still there. dealloc */ |
| bta_av_del_rc(p_rcb); |
| } |
| } else if ((p_rcb->handle != BTA_AV_RC_HANDLE_NONE) && |
| (p_rcb->status & BTA_AV_RC_CONN_MASK)) { |
| /* at least one channel is still connected */ |
| conn = true; |
| } |
| } |
| |
| if (!conn) { |
| /* no AVRC channels are connected, go back to INIT state */ |
| bta_av_sm_execute(p_cb, BTA_AV_AVRC_NONE_EVT, NULL); |
| } |
| |
| if (rc_close.rc_handle == BTA_AV_RC_HANDLE_NONE) { |
| rc_close.rc_handle = p_msg->handle; |
| rc_close.peer_addr = p_msg->peer_addr; |
| } |
| tBTA_AV bta_av_data; |
| bta_av_data.rc_close = rc_close; |
| (*p_cb->p_cback)(BTA_AV_RC_CLOSE_EVT, &bta_av_data); |
| if (bta_av_cb.rc_acp_handle == BTA_AV_RC_HANDLE_NONE |
| && bta_av_cb.features & BTA_AV_FEAT_RCTG) |
| bta_av_rc_create(&bta_av_cb, AVCT_ACP, 0, BTA_AV_NUM_LINKS + 1); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_rc_browse_opened |
| * |
| * Description AVRC browsing channel is opened |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_rc_browse_opened(tBTA_AV_DATA* p_data) { |
| tBTA_AV_CB* p_cb = &bta_av_cb; |
| tBTA_AV_RC_CONN_CHG* p_msg = (tBTA_AV_RC_CONN_CHG*)p_data; |
| tBTA_AV_RC_BROWSE_OPEN rc_browse_open; |
| |
| LOG_INFO("%s: peer_addr: %s rc_handle:%d", __func__, |
| ADDRESS_TO_LOGGABLE_CSTR(p_msg->peer_addr), p_msg->handle); |
| |
| rc_browse_open.status = BTA_AV_SUCCESS; |
| rc_browse_open.rc_handle = p_msg->handle; |
| rc_browse_open.peer_addr = p_msg->peer_addr; |
| |
| tBTA_AV bta_av_data; |
| bta_av_data.rc_browse_open = rc_browse_open; |
| (*p_cb->p_cback)(BTA_AV_RC_BROWSE_OPEN_EVT, &bta_av_data); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_rc_browse_closed |
| * |
| * Description AVRC browsing channel is closed |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_rc_browse_closed(tBTA_AV_DATA* p_data) { |
| tBTA_AV_CB* p_cb = &bta_av_cb; |
| tBTA_AV_RC_CONN_CHG* p_msg = (tBTA_AV_RC_CONN_CHG*)p_data; |
| tBTA_AV_RC_BROWSE_CLOSE rc_browse_close; |
| |
| LOG_INFO("%s: peer_addr: %s rc_handle:%d", __func__, |
| ADDRESS_TO_LOGGABLE_CSTR(p_msg->peer_addr), p_msg->handle); |
| |
| rc_browse_close.rc_handle = p_msg->handle; |
| rc_browse_close.peer_addr = p_msg->peer_addr; |
| |
| tBTA_AV bta_av_data; |
| bta_av_data.rc_browse_close = rc_browse_close; |
| (*p_cb->p_cback)(BTA_AV_RC_BROWSE_CLOSE_EVT, &bta_av_data); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_rc_disc |
| * |
| * Description start AVRC SDP discovery. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_rc_disc(uint8_t disc) { |
| tBTA_AV_CB* p_cb = &bta_av_cb; |
| tAVRC_SDP_DB_PARAMS db_params; |
| uint16_t attr_list[] = {ATTR_ID_SERVICE_CLASS_ID_LIST, |
| ATTR_ID_BT_PROFILE_DESC_LIST, |
| ATTR_ID_SUPPORTED_FEATURES, |
| ATTR_ID_ADDITION_PROTO_DESC_LISTS}; |
| uint8_t hdi; |
| tBTA_AV_SCB* p_scb; |
| RawAddress peer_addr = RawAddress::kEmpty; |
| uint8_t rc_handle; |
| |
| LOG_VERBOSE("%s: disc: 0x%x, bta_av_cb.disc: 0x%x", __func__, disc, |
| bta_av_cb.disc); |
| if ((bta_av_cb.disc != 0) || (disc == 0)) return; |
| |
| if ((disc & BTA_AV_CHNL_MSK) == BTA_AV_CHNL_MSK) { |
| /* this is the rc handle/index to tBTA_AV_RCB */ |
| rc_handle = disc & (~BTA_AV_CHNL_MSK); |
| if (p_cb->rcb[rc_handle].lidx) { |
| peer_addr = p_cb->lcb[p_cb->rcb[rc_handle].lidx - 1].addr; |
| } |
| } else { |
| hdi = (disc & BTA_AV_HNDL_MSK) - 1; |
| p_scb = p_cb->p_scb[hdi]; |
| |
| if (p_scb) { |
| LOG_VERBOSE("%s: rc_handle %d", __func__, p_scb->rc_handle); |
| peer_addr = p_scb->PeerAddress(); |
| } |
| } |
| |
| if (!peer_addr.IsEmpty()) { |
| /* allocate discovery database */ |
| if (p_cb->p_disc_db == NULL) |
| p_cb->p_disc_db = (tSDP_DISCOVERY_DB*)osi_malloc(BTA_AV_DISC_BUF_SIZE); |
| |
| /* set up parameters */ |
| db_params.db_len = BTA_AV_DISC_BUF_SIZE; |
| db_params.num_attr = sizeof(attr_list) / sizeof(uint16_t); |
| db_params.p_db = p_cb->p_disc_db; |
| db_params.p_attrs = attr_list; |
| |
| /* searching for UUID_SERVCLASS_AV_REMOTE_CONTROL gets both TG and CT */ |
| if (AVRC_FindService(UUID_SERVCLASS_AV_REMOTE_CONTROL, peer_addr, |
| &db_params, |
| base::Bind(bta_av_avrc_sdp_cback)) == AVRC_SUCCESS) { |
| p_cb->disc = disc; |
| LOG_VERBOSE("%s: disc 0x%x", __func__, p_cb->disc); |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_av_dereg_comp |
| * |
| * Description deregister complete. free the stream control block. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void bta_av_dereg_comp(tBTA_AV_DATA* p_data) { |
| tBTA_AV_CB* p_cb = &bta_av_cb; |
| tBTA_AV_SCB* p_scb; |
| tBTA_UTL_COD cod = { |
| .minor = BTM_COD_MINOR_UNCLASSIFIED, |
| .major = BTM_COD_MAJOR_UNCLASSIFIED, |
| .service = 0, |
| }; |
| |
| uint8_t mask; |
| BT_HDR* p_buf; |
| |
| /* find the stream control block */ |
| p_scb = bta_av_hndl_to_scb(p_data->hdr.layer_specific); |
| |
| if (p_scb) { |
| LOG_VERBOSE("%s: deregistered %d(h%d)", __func__, p_scb->chnl, p_scb->hndl); |
| mask = BTA_AV_HNDL_TO_MSK(p_scb->hdi); |
| p_cb->reg_audio &= ~mask; |
| if ((p_cb->conn_audio & mask) && p_cb->audio_open_cnt) { |
| /* this channel is still marked as open. decrease the count */ |
| p_cb->audio_open_cnt--; |
| } |
| p_cb->conn_audio &= ~mask; |
| |
| if (p_scb->q_tag == BTA_AV_Q_TAG_STREAM && p_scb->a2dp_list) { |
| /* make sure no buffers are in a2dp_list */ |
| 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); |
| } |
| } |
| |
| /* remove the A2DP SDP record, if no more audio stream is left */ |
| if (!p_cb->reg_audio) { |
| /* Only remove the SDP record if we're the ones that created it */ |
| if (is_new_avrcp_enabled()) { |
| LOG_VERBOSE( |
| "%s: newavrcp is the owner of the AVRCP Target SDP " |
| "record. Don't dereg the SDP record", |
| __func__); |
| } else { |
| LOG_VERBOSE("%s: newavrcp is not enabled. Remove SDP record", __func__); |
| bta_ar_dereg_avrc(UUID_SERVCLASS_AV_REMOTE_CONTROL); |
| } |
| |
| if (p_cb->sdp_a2dp_handle) { |
| bta_av_del_sdp_rec(&p_cb->sdp_a2dp_handle); |
| p_cb->sdp_a2dp_handle = 0; |
| bta_sys_remove_uuid(UUID_SERVCLASS_AUDIO_SOURCE); |
| } |
| |
| if (p_cb->sdp_a2dp_snk_handle) { |
| bta_av_del_sdp_rec(&p_cb->sdp_a2dp_snk_handle); |
| p_cb->sdp_a2dp_snk_handle = 0; |
| bta_sys_remove_uuid(UUID_SERVCLASS_AUDIO_SINK); |
| } |
| } |
| |
| bta_av_free_scb(p_scb); |
| } |
| |
| LOG_VERBOSE("%s: audio 0x%x, disable:%d", __func__, p_cb->reg_audio, |
| p_cb->disabling); |
| /* if no stream control block is active */ |
| if (p_cb->reg_audio == 0) { |
| /* deregister from AVDT */ |
| bta_ar_dereg_avdt(); |
| |
| /* deregister from AVCT */ |
| bta_ar_dereg_avrc(UUID_SERVCLASS_AV_REM_CTRL_TARGET); |
| bta_ar_dereg_avct(); |
| |
| if (p_cb->disabling) { |
| p_cb->disabling = false; |
| // reset enabling parameters |
| p_cb->features = 0; |
| p_cb->sec_mask = 0; |
| bta_av_cb.sink_features = 0; |
| bta_av_cb.reg_role = 0; |
| } |
| |
| /* Clear the Capturing service class bit */ |
| cod.service = BTM_COD_SERVICE_CAPTURING; |
| utl_set_device_class(&cod, BTA_UTL_CLR_COD_SERVICE_CLASS); |
| } |
| } |