diff options
Diffstat (limited to 'bta/av/bta_av_act.c')
| -rw-r--r-- | bta/av/bta_av_act.c | 1941 |
1 files changed, 1941 insertions, 0 deletions
diff --git a/bta/av/bta_av_act.c b/bta/av/bta_av_act.c new file mode 100644 index 0000000..a47921a --- /dev/null +++ b/bta/av/bta_av_act.c @@ -0,0 +1,1941 @@ +/****************************************************************************** + * + * Copyright (C) 2004-2012 Broadcom Corporation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ******************************************************************************/ + +/****************************************************************************** + * + * This file contains action functions for advanced audio/video main state + * machine. + * + ******************************************************************************/ + +#include "bt_target.h" +#if defined(BTA_AV_INCLUDED) && (BTA_AV_INCLUDED == TRUE) + +#include <string.h> +#include "bta_av_api.h" +#include "bta_av_int.h" +#include "avdt_api.h" +#include "bd.h" +#include "utl.h" +#include "l2c_api.h" +#if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE) +#include "bta_ar_api.h" +#endif + +/***************************************************************************** +** Constants +*****************************************************************************/ +/* the timer in milliseconds to wait for open req after setconfig for incoming connections */ +#ifndef BTA_AV_SIG_TIME_VAL +#define BTA_AV_SIG_TIME_VAL 8000 +#endif + +/* In millisec to wait for signalling from SNK when it is initiated from SNK. */ +/* If not, we will start signalling from SRC. */ +#ifndef BTA_AV_ACP_SIG_TIME_VAL +#define BTA_AV_ACP_SIG_TIME_VAL 2000 +#endif + +static void bta_av_acp_sig_timer_cback (TIMER_LIST_ENT *p_tle); + +/******************************************************************************* +** +** 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 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 rc_handle; /* connected AVRCP handle */ + + 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) + { + APPL_TRACE_DEBUG3("bta_av_del_rc shdl:%d, srch:%d rc_handle:%d", 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) */ + bta_sys_stop_timer(&p_scb->timer); + } + } + + APPL_TRACE_EVENT4("bta_av_del_rc handle: %d status=0x%x, rc_acp_handle:%d, idx:%d", + 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; + APPL_TRACE_EVENT4("end del_rc handle: %d status=0x%x, rc_acp_handle:%d, lidx:%d", + 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 == TRUE) || (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 *p_sdp_handle) +{ + if(*p_sdp_handle != 0) + { + 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(UINT16 status) +{ + BT_HDR *p_msg; + + if ((p_msg = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL) + { + 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 handle, UINT8 event, UINT16 result, BD_ADDR peer_addr) +{ + tBTA_AV_RC_CONN_CHG *p_msg; + UINT16 msg_event = 0; + +#if (defined(BTA_AV_MIN_DEBUG_TRACES) && BTA_AV_MIN_DEBUG_TRACES == TRUE) + APPL_TRACE_EVENT2("rc_ctrl handle: %d event=0x%x", handle, event); +#else + APPL_TRACE_EVENT2("bta_av_rc_ctrl_cback handle: %d event=0x%x", handle, event); +#endif + 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; + } + + if (msg_event) + { + if ((p_msg = (tBTA_AV_RC_CONN_CHG *) GKI_getbuf(sizeof(tBTA_AV_RC_CONN_CHG))) != NULL) + { + p_msg->hdr.event = msg_event; + p_msg->handle = handle; + if(peer_addr) + bdcpy(p_msg->peer_addr, peer_addr); + 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 handle, UINT8 label, UINT8 opcode, tAVRC_MSG *p_msg) +{ + tBTA_AV_RC_MSG *p_buf; + UINT8 *p_data = NULL; + UINT8 **p_p_data = NULL; + UINT16 data_len = 0; + +#if (defined(BTA_AV_MIN_DEBUG_TRACES) && BTA_AV_MIN_DEBUG_TRACES == TRUE) + APPL_TRACE_ERROR2("rc_msg handle: %d opcode=0x%x", handle, opcode); +#else + APPL_TRACE_EVENT2("bta_av_rc_msg_cback handle: %d opcode=0x%x", handle, opcode); +#endif + /* determine size of buffer we need */ + if (opcode == AVRC_OP_VENDOR && p_msg->vendor.p_vendor_data != NULL) + { + p_data = p_msg->vendor.p_vendor_data; + p_p_data = &p_msg->vendor.p_vendor_data; + data_len = (UINT16) p_msg->vendor.vendor_len; + } + else if (opcode == AVRC_OP_PASS_THRU && p_msg->pass.p_pass_data != NULL) + { + p_data = p_msg->pass.p_pass_data; + p_p_data = &p_msg->pass.p_pass_data; + data_len = (UINT16) p_msg->pass.pass_len; + } + + if ((p_buf = (tBTA_AV_RC_MSG *) GKI_getbuf((UINT16) (sizeof(tBTA_AV_RC_MSG) + data_len))) != NULL) + { + 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)); + if (p_data != NULL) + { + memcpy((UINT8 *)(p_buf + 1), p_data, data_len); + *p_p_data = (UINT8 *)(p_buf + 1); + } + bta_sys_sendmsg(p_buf); + } +} + +/******************************************************************************* +** +** Function bta_av_rc_create +** +** Description alloc RCB and call AVRC_Open +** +** Returns the created rc handle +** +*******************************************************************************/ +UINT8 bta_av_rc_create(tBTA_AV_CB *p_cb, UINT8 role, UINT8 shdl, UINT8 lidx) +{ + tAVRC_CONN_CB ccb; + BD_ADDR_PTR bda = (BD_ADDR_PTR)bd_addr_any; + UINT8 status = BTA_AV_RC_ROLE_ACP; + tBTA_AV_SCB *p_scb = p_cb->p_scb[shdl - 1]; + int i; + UINT8 rc_handle; + tBTA_AV_RCB *p_rcb; + + if(role == AVCT_INT) + { + bda = p_scb->peer_addr; + status = BTA_AV_RC_ROLE_INT; + } + else + { + if ((p_rcb = bta_av_get_rcb_by_shdl(shdl)) != NULL ) + { + APPL_TRACE_ERROR1("bta_av_rc_create ACP handle exist for shdl:%d", shdl); + return p_rcb->handle; + } + } + + ccb.p_ctrl_cback = bta_av_rc_ctrl_cback; + ccb.p_msg_cback = 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 | AVRC_CT_PASSIVE); + + + if (AVRC_Open(&rc_handle, &ccb, bda) != AVRC_SUCCESS) + return BTA_AV_RC_HANDLE_NONE; + + i = rc_handle; + p_rcb = &p_cb->rcb[i]; + + if (p_rcb->handle != BTA_AV_RC_HANDLE_NONE) + { + APPL_TRACE_ERROR1("bta_av_rc_create found duplicated handle:%d", rc_handle); + } + + p_rcb->handle = rc_handle; + p_rcb->status = status; + p_rcb->shdl = shdl; + p_rcb->lidx = lidx; + p_rcb->peer_features = 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); + APPL_TRACE_DEBUG2("rc_acp_handle:%d idx:%d", p_cb->rc_acp_handle, p_cb->rc_acp_idx); + } + APPL_TRACE_DEBUG6("create %d, role: %d, shdl:%d, rc_handle:%d, lidx:%d, status:0x%x", + 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 BTA_AV_RSP_ACCEPT or BTA_AV_RSP_NOT_IMPL. +** +*******************************************************************************/ +static tBTA_AV_CODE bta_av_group_navi_supported(UINT8 len, UINT8 *p_data) +{ + tBTA_AV_CODE ret=BTA_AV_RSP_NOT_IMPL; + UINT8 *p_ptr = p_data; + UINT16 u16; + UINT32 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 (u16 <= AVRC_PDU_PREV_GROUP) + ret = BTA_AV_RSP_ACCEPT; + else + ret = BTA_AV_RSP_REJ; + } + } + + return ret; +} + +/******************************************************************************* +** +** Function bta_av_op_supported +** +** Description Check if remote control operation is supported. +** +** Returns BTA_AV_RSP_ACCEPT of supported, BTA_AV_RSP_NOT_IMPL if not. +** +*******************************************************************************/ +static tBTA_AV_CODE bta_av_op_supported(tBTA_AV_RC rc_id) +{ + tBTA_AV_CODE ret_code = BTA_AV_RSP_NOT_IMPL; + + if (p_bta_av_rc_id) + { + if (p_bta_av_rc_id[rc_id >> 4] & (1 << (rc_id & 0x0F))) + { + ret_code = BTA_AV_RSP_ACCEPT; + } + else if ((p_bta_av_cfg->rc_pass_rsp == BTA_AV_RSP_INTERIM) && p_bta_av_rc_id_ac) + { + if (p_bta_av_rc_id_ac[rc_id >> 4] & (1 << (rc_id & 0x0F))) + { + ret_code = BTA_AV_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(BD_ADDR addr, UINT8 op) +{ + tBTA_AV_CB *p_cb = &bta_av_cb; + int xx; + UINT8 mask; + tBTA_AV_LCB *p_lcb = NULL; + + for(xx=0; xx<BTA_AV_NUM_LINKS; xx++) + { + mask = 1 << xx; /* the used mask for this lcb */ + if((mask & p_cb->conn_lcb) && 0 ==( bdcmp(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 */ + APPL_TRACE_DEBUG1("conn_lcb: 0x%x", 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 shdl = 0; + tBTA_AV_LCB *p_lcb; + tBTA_AV_RCB *p_rcb; + UINT8 tmp; + UINT8 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 && bdcmp(p_scb->peer_addr, p_data->rc_conn_chg.peer_addr) == 0) + { + p_scb->rc_handle = p_data->rc_conn_chg.handle; + APPL_TRACE_DEBUG2("bta_av_rc_opened shdl:%d, srch %d", i + 1, p_scb->rc_handle); + shdl = i+1; + APPL_TRACE_ERROR1("use_rc:%d", p_scb->use_rc); + bta_sys_stop_timer(&p_scb->timer); + disc = p_scb->hndl; + break; + } + } + + i = p_data->rc_conn_chg.handle; + if (p_cb->rcb[i].handle == BTA_AV_RC_HANDLE_NONE) + { + APPL_TRACE_ERROR1("not a valid handle:%d any more", i); + return; + } + + + 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; + APPL_TRACE_DEBUG2("switching RCB rc_acp_handle:%d idx:%d", + p_cb->rc_acp_handle, p_cb->rc_acp_idx); + } + } + + p_cb->rcb[i].shdl = shdl; + rc_open.rc_handle = i; + APPL_TRACE_ERROR4("bta_av_rc_opened rcb[%d] shdl:%d lidx:%d/%d", + 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]; + bdcpy(p_lcb->addr, p_data->rc_conn_chg.peer_addr); + APPL_TRACE_DEBUG6("rc_only bd_addr:%02x-%02x-%02x-%02x-%02x-%02x", + p_lcb->addr[0], p_lcb->addr[1], + p_lcb->addr[2], p_lcb->addr[3], + p_lcb->addr[4], p_lcb->addr[5]); + p_lcb->lidx = BTA_AV_NUM_LINKS + 1; + p_cb->rcb[i].lidx = p_lcb->lidx; + p_lcb->conn_msk = 1; + APPL_TRACE_ERROR3("rcb[%d].lidx=%d, lcb.conn_msk=x%x", + i, p_cb->rcb[i].lidx, p_lcb->conn_msk); + disc = p_data->rc_conn_chg.handle|BTA_AV_CHNL_MSK; + } + + bdcpy(rc_open.peer_addr, p_data->rc_conn_chg.peer_addr); + rc_open.peer_features = p_cb->rcb[i].peer_features; + rc_open.status = BTA_AV_SUCCESS; + APPL_TRACE_DEBUG2("local features:x%x peer_features:x%x", p_cb->features, + rc_open.peer_features); + if(rc_open.peer_features == 0) + { + /* we have not done SDP on peer RC capabilities. + * peer must have initiated the RC connection */ + 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); + +} + + +/******************************************************************************* +** +** 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; + BOOLEAN 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]; + 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); + free = FALSE; + } + } + + if (free) + GKI_freebuf (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 (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data) +{ + GKI_freebuf (p_data->api_meta_rsp.p_pkt); +} + +/******************************************************************************* +** +** Function bta_av_rc_meta_req +** +** Description Send an AVRCP metadata command. +** +** Returns void +** +*******************************************************************************/ +void bta_av_rc_free_msg (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data) +{ +} + + + +/******************************************************************************* +** +** 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 xx; + UINT16 u16; + UINT8 *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 + { + /* 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; +} + +/******************************************************************************* +** +** 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 *p_ctype) +{ + tBTA_AV_EVT evt = BTA_AV_META_MSG_EVT; + UINT8 u8, pdu, *p; + UINT16 u16; + tAVRC_MSG_VENDOR *p_vendor = &p_msg->msg.vendor; + + pdu = *(p_vendor->p_vendor_data); + p_rc_rsp->pdu = pdu; + *p_ctype = AVRC_RSP_REJ; + /* Metadata messages only use PANEL sub-unit type */ + if (p_vendor->hdr.subunit_type != AVRC_SUB_PANEL) + { + APPL_TRACE_DEBUG0("SUBUNIT must be PANEL"); + /* reject it */ + evt=0; + p_vendor->hdr.ctype = BTA_AV_RSP_NOT_IMPL; + AVRC_VendorRsp(p_msg->handle, p_msg->label, &p_msg->msg.vendor); + } + else + { + switch (pdu) + { + case AVRC_PDU_GET_CAPABILITIES: + /* process GetCapabilities command without reporting the event to app */ + evt = 0; + 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_vendor->vendor_len != 5)) + { + 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; + 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 + { + APPL_TRACE_DEBUG1("Invalid capability ID: 0x%x", 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; + + 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) + { + /* check if operation is supported */ + if (p_data->rc_msg.msg.pass.op_id == AVRC_ID_VENDOR) + { + p_data->rc_msg.msg.hdr.ctype = BTA_AV_RSP_NOT_IMPL; + } + else + { + p_data->rc_msg.msg.hdr.ctype = bta_av_op_supported(p_data->rc_msg.msg.pass.op_id); + } + + /* send response */ + if (p_data->rc_msg.msg.hdr.ctype != BTA_AV_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 == BTA_AV_RSP_ACCEPT || p_data->rc_msg.msg.hdr.ctype == BTA_AV_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 */ + else if (p_data->rc_msg.msg.hdr.ctype >= AVRC_RSP_ACCEPT) + { + /* 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; + } + /* must be a bad ctype -> reject*/ + else + { + p_data->rc_msg.msg.hdr.ctype = BTA_AV_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) + { + evt = BTA_AV_VENDOR_CMD_EVT; + } + /* else if configured to support vendor specific and it's a response */ + else if ((p_cb->features & BTA_AV_FEAT_VENDOR) && + p_data->rc_msg.msg.hdr.ctype >= AVRC_RSP_ACCEPT) + { + evt = BTA_AV_VENDOR_RSP_EVT; + + } + /* else if not configured to support vendor specific and it's a command */ + else if (!(p_cb->features & BTA_AV_FEAT_VENDOR) && + p_data->rc_msg.msg.hdr.ctype <= AVRC_CMD_GEN_INQ) + { + if(p_data->rc_msg.msg.vendor.p_vendor_data[0] == AVRC_PDU_INVALID) + { + /* reject it */ + p_data->rc_msg.msg.hdr.ctype = BTA_AV_RSP_REJ; + p_data->rc_msg.msg.vendor.p_vendor_data[4] = AVRC_STS_BAD_CMD; + } + else + p_data->rc_msg.msg.hdr.ctype = BTA_AV_RSP_NOT_IMPL; + AVRC_VendorRsp(p_data->rc_msg.handle, p_data->rc_msg.label, &p_data->rc_msg.msg.vendor); + } + } + + /* call callback */ + if (evt != 0) + { + av.remote_cmd.rc_handle = p_data->rc_msg.handle; + (*p_cb->p_cback)(evt, &av); + } +} + +/******************************************************************************* +** +** 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 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]; + + APPL_TRACE_DEBUG2("bta_av_rc_close handle: %d, status=0x%x", 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) */ + bta_sys_stop_timer(&p_scb->timer); + } + } + + AVRC_Close(p_rcb->handle); + } + } +} + +/******************************************************************************* +** +** Function bta_av_get_shdl +** +** Returns The index to p_scb[] +** +*******************************************************************************/ +static UINT8 bta_av_get_shdl(tBTA_AV_SCB *p_scb) +{ + int i; + UINT8 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, BOOLEAN started) +{ + UINT8 started_msk; + int i; + UINT8 *p_streams; + BOOLEAN no_streams = FALSE; + tBTA_AV_SCB *p_scbi; + + started_msk = BTA_AV_HNDL_TO_MSK(p_scb->hdi); + APPL_TRACE_DEBUG3 ("bta_av_stream_chg started:%d started_msk:x%x chnl:x%x", started, + started_msk, p_scb->chnl); + if (BTA_AV_CHNL_AUDIO == p_scb->chnl) + p_streams = &bta_av_cb.audio_streams; + else + p_streams = &bta_av_cb.video_streams; + + if (started) + { + /* Let L2CAP know this channel is processed with high priority */ + L2CA_SetAclPriority(p_scb->peer_addr, L2CAP_PRIORITY_HIGH); + (*p_streams) |= started_msk; + } + else + { + (*p_streams) &= ~started_msk; + } + + if (!started) + { + i=0; + if (BTA_AV_CHNL_AUDIO == p_scb->chnl) + { + if (bta_av_cb.video_streams == 0) + no_streams = TRUE; + } + else + { + no_streams = TRUE; + if ( bta_av_cb.audio_streams ) + { + for (; i<BTA_AV_NUM_STRS; i++) + { + p_scbi = bta_av_cb.p_scb[i]; + /* scb is used and started */ + if ( p_scbi && (bta_av_cb.audio_streams & BTA_AV_HNDL_TO_MSK(i)) + && bdcmp(p_scbi->peer_addr, p_scb->peer_addr) == 0) + { + no_streams = FALSE; + break; + } + } + + } + } + + APPL_TRACE_DEBUG4 ("no_streams:%d i:%d, audio_streams:x%x, video_streams:x%x", no_streams, i, + bta_av_cb.audio_streams, bta_av_cb.video_streams); + if (no_streams) + { + /* Let L2CAP know this channel is processed with low priority */ + L2CA_SetAclPriority(p_scb->peer_addr, 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; + tBTA_AV_SCB *p_scbi; + UINT8 mask; + UINT8 conn_msk; + UINT8 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; + BOOLEAN chk_restore = FALSE; + + 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; + APPL_TRACE_DEBUG5("conn_chg up[%d]: %d, status=0x%x, shdl:%d, lidx:%d", 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; + } + } + } + if (p_scb->chnl == BTA_AV_CHNL_AUDIO) + { + old_msk = p_cb->conn_audio; + p_cb->conn_audio |= mask; + } + else + { + old_msk = p_cb->conn_video; + p_cb->conn_video |= mask; + } + + if ((old_msk & mask) == 0) + { + /* increase the audio open count, if not set yet */ + bta_av_cb.audio_open_cnt++; + } + + + APPL_TRACE_DEBUG2("rc_acp_handle:%d rc_acp_idx:%d", 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]; + APPL_TRACE_DEBUG1("rc_acp is connected && conn_chg on same addr p_lcb_rc->conn_msk:x%x", + p_lcb_rc->conn_msk); + /* check if the RC is connected to the scb addr */ + APPL_TRACE_DEBUG6 ("p_lcb_rc->addr: %02x:%02x:%02x:%02x:%02x:%02x", + p_lcb_rc->addr[0], p_lcb_rc->addr[1], p_lcb_rc->addr[2], p_lcb_rc->addr[3], + p_lcb_rc->addr[4], p_lcb_rc->addr[5]); + APPL_TRACE_DEBUG6 ("conn_chg.peer_addr: %02x:%02x:%02x:%02x:%02x:%02x", + p_data->conn_chg.peer_addr[0], p_data->conn_chg.peer_addr[1], + p_data->conn_chg.peer_addr[2], + p_data->conn_chg.peer_addr[3], p_data->conn_chg.peer_addr[4], + p_data->conn_chg.peer_addr[5]); + if (p_lcb_rc->conn_msk && bdcmp(p_lcb_rc->addr, p_data->conn_chg.peer_addr) == 0) + { + /* 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); + APPL_TRACE_DEBUG3("update rc_acp shdl:%d/%d srch:%d", 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; + APPL_TRACE_DEBUG2("new rc_acp_handle:%d, idx:%d", p_cb->rc_acp_handle, + p_cb->rc_acp_idx); + p_rcb2->lidx = (BTA_AV_NUM_LINKS + 1); + APPL_TRACE_DEBUG3("rc2 handle:%d lidx:%d/%d",p_rcb2->handle, p_rcb2->lidx, + p_cb->lcb[p_rcb2->lidx-1].lidx); + } + p_rcb->lidx = p_lcb->lidx; + APPL_TRACE_DEBUG3("rc handle:%d lidx:%d/%d",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; + p_cb->conn_video &= ~mask; + if(p_scb) + { + /* the stream is closed. + * clear the peer address, so it would not mess up the AVRCP for the next round of operation */ + bdcpy(p_scb->peer_addr, bd_addr_null); + 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) */ + { + bta_sys_stop_timer(&p_scb->timer); + } + /* one audio channel goes down. check if we need to restore high priority */ + chk_restore = TRUE; + } + } + + APPL_TRACE_DEBUG1("bta_av_conn_chg shdl:%d", index + 1); + for (i=0; i<BTA_AV_NUM_RCB; i++) + { + APPL_TRACE_DEBUG5("conn_chg dn[%d]: %d, status=0x%x, shdl:%d, lidx:%d", 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]); + break; + } + } + + if(p_cb->conn_audio == 0 && p_cb->conn_video == 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); + } + + APPL_TRACE_DEBUG6("bta_av_conn_chg audio:%x video:%x up:%d conn_msk:0x%x chk_restore:%d audio_open_cnt:%d", + p_cb->conn_audio, p_cb->conn_video, 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 */ + bta_sys_set_default_policy(BTA_ID_AV, HCI_ENABLE_MASTER_SLAVE_SWITCH); + /* allow role switch, if this is the last connection */ + 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; + L2CA_SetFlushTimeout(p_scbi->peer_addr, p_bta_av_cfg->p_audio_flush_to[p_scbi->co_started - 1] ); + } + } + } + } + } +} + +/******************************************************************************* +** +** Function bta_av_disable +** +** Description disable AV. +** +** Returns void +** +*******************************************************************************/ +void bta_av_disable(tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data) +{ + BT_HDR hdr; + UINT16 xx; + + p_cb->disabling = TRUE; + + bta_av_close_all_rc(p_cb); + + utl_freebuf((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++) + { + hdr.layer_specific = xx + 1; + bta_av_api_deregister((tBTA_AV_DATA *)&hdr); + } +} + +/******************************************************************************* +** +** Function bta_av_api_disconnect +** +** Description . +** +** Returns void +** +*******************************************************************************/ +void bta_av_api_disconnect(tBTA_AV_DATA *p_data) +{ + AVDT_DisconnectReq(p_data->api_discnt.bd_addr, bta_av_conn_cback); + bta_sys_stop_timer(&bta_av_cb.sig_tmr); +} + +/******************************************************************************* +** +** 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 event = p_data->str_msg.hdr.layer_specific; + tBTA_AV_CB *p_cb = &bta_av_cb; + int xx; + UINT8 mask; + tBTA_AV_LCB *p_lcb = NULL; + + APPL_TRACE_DEBUG1("bta_av_sig_chg event: %d", event); + if(event == AVDT_CONNECT_IND_EVT) + { + 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 */ + for(xx=0; xx<BTA_AV_NUM_LINKS; xx++) + { + mask = 1 << xx; + APPL_TRACE_DEBUG1("conn_lcb: 0x%x", p_cb->conn_lcb); + if(!(mask & p_cb->conn_lcb)) + { + if (!p_cb->p_scb[xx]) + { + /* We do not have scb for this avdt connection. */ + /* Silently close the connection. */ + APPL_TRACE_ERROR0("av scb not available for avdt connection"); + AVDT_DisconnectReq (p_data->str_msg.bd_addr, NULL); + return; + } + + p_lcb = &p_cb->lcb[xx]; + p_lcb->lidx = xx + 1; + bdcpy(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 */ + APPL_TRACE_DEBUG1("start sig timer %d", p_data->hdr.offset); + if (p_data->hdr.offset == AVDT_ACP) + { + APPL_TRACE_DEBUG1("Incoming L2CAP acquired, set state as incoming", NULL); + bdcpy(p_cb->p_scb[xx]->peer_addr, p_data->str_msg.bd_addr); + p_cb->p_scb[xx]->use_rc = TRUE; /* allowing RC for incoming connection */ + bta_av_ssm_execute(p_cb->p_scb[xx], 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_SIG_TIME_VAL milliseconds. + * The following function shall send the event and start the recurring timer + */ + bta_av_sig_timer(NULL); + + /* Possible collision : need to avoid outgoing processing while the timer is running */ + p_cb->p_scb[xx]->coll_mask = BTA_AV_COLL_INC_TMR; + + p_cb->acp_sig_tmr.param = (UINT32)xx; + p_cb->acp_sig_tmr.p_cback = (TIMER_CBACK*)&bta_av_acp_sig_timer_cback; + bta_sys_start_timer(&p_cb->acp_sig_tmr, 0, BTA_AV_ACP_SIG_TIME_VAL); + } + break; + } + } + } + } +#if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE) + else if (event == BTA_AR_AVDT_CONN_EVT) + { + bta_sys_stop_timer(&bta_av_cb.sig_tmr); + } +#endif + else + { + /* disconnected. */ + p_lcb = bta_av_find_lcb(p_data->str_msg.bd_addr, BTA_AV_LCB_FREE); + if(p_lcb && p_lcb->conn_msk) + { + APPL_TRACE_DEBUG1("conn_msk: 0x%x", p_lcb->conn_msk); + /* clean up ssm */ + for(xx=0; xx < BTA_AV_NUM_STRS; xx++) + { + mask = 1 << (xx + 1); + if ((mask & p_lcb->conn_msk) && (p_cb->p_scb[xx]) && + (bdcmp(p_cb->p_scb[xx]->peer_addr, p_data->str_msg.bd_addr) == 0)) + { + bta_av_ssm_execute(p_cb->p_scb[xx], BTA_AV_AVDT_DISCONNECT_EVT, NULL); + } + } + } + } + APPL_TRACE_DEBUG1("conn_lcb: 0x%x", p_cb->conn_lcb); +} + +/******************************************************************************* +** +** Function bta_av_sig_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_SIG_TIME_VAL +** +** Returns void +** +*******************************************************************************/ +void bta_av_sig_timer(tBTA_AV_DATA *p_data) +{ + tBTA_AV_CB *p_cb = &bta_av_cb; + int xx; + UINT8 mask; + tBTA_AV_LCB *p_lcb = NULL; + tBTA_AV_PEND pend; + + APPL_TRACE_DEBUG0("bta_av_sig_timer"); + for(xx=0; xx<BTA_AV_NUM_LINKS; xx++) + { + mask = 1 << xx; + if(mask & p_cb->conn_lcb) + { + /* this entry is used. check if it is connected */ + p_lcb = &p_cb->lcb[xx]; + if(!p_lcb->conn_msk) + { + bta_sys_start_timer(&p_cb->sig_tmr, BTA_AV_SIG_TIMER_EVT, BTA_AV_SIG_TIME_VAL); + bdcpy(pend.bd_addr, p_lcb->addr); + (*p_cb->p_cback)(BTA_AV_PENDING_EVT, (tBTA_AV *) &pend); + } + } + } +} + +/******************************************************************************* +** +** Function bta_av_acp_sig_timer_cback +** +** Description Process the timeout when SRC is accepting connection +** and SNK did not start signalling. +** +** Returns void +** +*******************************************************************************/ +static void bta_av_acp_sig_timer_cback (TIMER_LIST_ENT *p_tle) +{ + UINT8 inx = (UINT8)p_tle->param; + tBTA_AV_CB *p_cb = &bta_av_cb; + tBTA_AV_SCB *p_scb = p_cb->p_scb[inx]; + tBTA_AV_API_OPEN *p_buf; + + if (p_scb) + { + APPL_TRACE_DEBUG1("bta_av_acp_sig_timer_cback, coll_mask = 0x%02X", 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)) + { + if (p_scb->p_disc_db) + { + /* We are still doing SDP. Run the timer again. */ + p_scb->coll_mask |= BTA_AV_COLL_INC_TMR; + + p_cb->acp_sig_tmr.param = (UINT32)inx; + p_cb->acp_sig_tmr.p_cback = (TIMER_CBACK *)&bta_av_acp_sig_timer_cback; + bta_sys_start_timer(&p_cb->acp_sig_tmr, 0, BTA_AV_ACP_SIG_TIME_VAL); + } + 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 */ + + /* 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 */ + if ((p_buf = (tBTA_AV_API_OPEN *) GKI_getbuf(sizeof(tBTA_AV_API_OPEN))) != NULL) + { + memcpy(p_buf, &(p_scb->open_api), sizeof(tBTA_AV_API_OPEN)); + bta_sys_sendmsg(p_buf); + } + } + } + } + } +} + +/******************************************************************************* +** +** Function bta_av_check_peer_features +** +** Description checks +** +** Returns void +** +*******************************************************************************/ +tBTA_AV_FEAT bta_av_check_peer_features (UINT16 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 peer_rc_version=0; + UINT16 categories = 0; + + APPL_TRACE_DEBUG1("bta_av_check_peer_features service_uuid:x%x", service_uuid); + /* loop through all records we found */ + while (TRUE) + { + /* get next record; if none found, we're done */ + if ((p_rec = SDP_FindServiceInDb(p_cb->p_disc_db, service_uuid, p_rec)) == NULL) + { + break; + } + + if (( SDP_FindAttributeInRec(p_rec, ATTR_ID_SERVICE_CLASS_ID_LIST)) != NULL) + { + /* find peer features */ + if (SDP_FindServiceInDb(p_cb->p_disc_db, UUID_SERVCLASS_AV_REMOTE_CONTROL, NULL)) + { + peer_features |= BTA_AV_FEAT_RCCT; + } + if (SDP_FindServiceInDb(p_cb->p_disc_db, UUID_SERVCLASS_AV_REM_CTRL_TARGET, NULL)) + { + peer_features |= BTA_AV_FEAT_RCTG; + } + } + + if (( SDP_FindAttributeInRec(p_rec, ATTR_ID_BT_PROFILE_DESC_LIST)) != NULL) + { + /* get profile version (if failure, version parameter is not updated) */ + SDP_FindProfileVersionInRec(p_rec, UUID_SERVCLASS_AV_REMOTE_CONTROL, &peer_rc_version); + APPL_TRACE_DEBUG1("peer_rc_version 0x%x", 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) + { + peer_features |= (BTA_AV_FEAT_ADV_CTRL); + /* get supported categories */ + if ((p_attr = SDP_FindAttributeInRec(p_rec, + ATTR_ID_SUPPORTED_FEATURES)) != NULL) + { + categories = p_attr->attr_value.v.u16; + if (categories & AVRC_SUPF_CT_BROWSE) + peer_features |= (BTA_AV_FEAT_BROWSE); + } + } + } + } + APPL_TRACE_DEBUG1("peer_features:x%x", peer_features); + return peer_features; +} + +/******************************************************************************* +** +** 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(tBTA_AV_DATA *p_data) +{ + tBTA_AV_CB *p_cb = &bta_av_cb; + tBTA_AV_SCB *p_scb = NULL; + tBTA_AV_LCB *p_lcb; + tBTA_AV_RC_OPEN rc_open; + tBTA_AV_RC_FEAT rc_feat; + UINT8 rc_handle; + tBTA_AV_FEAT peer_features; /* peer features mask */ + + APPL_TRACE_DEBUG1("bta_av_rc_disc_done disc:x%x", 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 + { + 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; + } + } + + APPL_TRACE_DEBUG1("rc_handle %d", rc_handle); + 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); + } + + p_cb->disc = 0; + utl_freebuf((void **) &p_cb->p_disc_db); + + APPL_TRACE_DEBUG2("peer_features 0x%x, features 0x%x", 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->peer_addr, BTA_AV_LCB_FIND); + if(p_lcb) + { + rc_handle = bta_av_rc_create(p_cb, AVCT_INT, (UINT8)(p_scb->hdi + 1), p_lcb->lidx); + p_cb->rcb[rc_handle].peer_features = peer_features; + } +#if (BT_USE_TRACES == TRUE || BT_TRACE_APPL == TRUE) + else + { + APPL_TRACE_ERROR0("can not find LCB!!"); + } +#endif + } + else if(p_scb->use_rc) + { + /* can not find AVRC on peer device. report failure */ + p_scb->use_rc = FALSE; + bdcpy(rc_open.peer_addr, p_scb->peer_addr); + rc_open.peer_features = 0; + rc_open.status = BTA_AV_FAIL_SDP; + (*p_cb->p_cback)(BTA_AV_RC_OPEN_EVT, (tBTA_AV *) &rc_open); + } + } + } + else + { + p_cb->rcb[rc_handle].peer_features = peer_features; + rc_feat.rc_handle = rc_handle; + rc_feat.peer_features = peer_features; + (*p_cb->p_cback)(BTA_AV_RC_FEAT_EVT, (tBTA_AV *) &rc_feat); + } +} + +/******************************************************************************* +** +** 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; + BOOLEAN conn = FALSE; + tBTA_AV_LCB *p_lcb; + + rc_close.rc_handle = BTA_AV_RC_HANDLE_NONE; + APPL_TRACE_DEBUG1("bta_av_rc_closed rc_handle:%d", p_msg->handle); + for(i=0; i<BTA_AV_NUM_RCB; i++) + { + p_rcb = &p_cb->rcb[i]; + APPL_TRACE_DEBUG3("bta_av_rc_closed rcb[%d] rc_handle:%d, status=0x%x", i, p_rcb->handle, p_rcb->status); + if(p_rcb->handle == p_msg->handle) + { + rc_close.rc_handle = i; + p_rcb->status &= ~BTA_AV_RC_CONN_MASK; + p_rcb->peer_features = 0; + APPL_TRACE_DEBUG2(" shdl:%d, lidx:%d", p_rcb->shdl, p_rcb->lidx); + if(p_rcb->shdl) + { + p_scb = bta_av_cb.p_scb[p_rcb->shdl - 1]; + if(p_scb) + { + bdcpy(rc_close.peer_addr, p_scb->peer_addr); + if(p_scb->rc_handle == p_rcb->handle) + p_scb->rc_handle = BTA_AV_RC_HANDLE_NONE; + APPL_TRACE_DEBUG2("shdl:%d, srch:%d", 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]; + bdcpy(rc_close.peer_addr, p_msg->peer_addr); + APPL_TRACE_DEBUG6("rc_only closed bd_addr:%02x-%02x-%02x-%02x-%02x-%02x", + p_msg->peer_addr[0], p_msg->peer_addr[1], + p_msg->peer_addr[2], p_msg->peer_addr[3], + p_msg->peer_addr[4], p_msg->peer_addr[5]); + 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); + + /* 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); + } + } + 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; + bdcpy(rc_close.peer_addr, p_msg->peer_addr); + } + (*p_cb->p_cback)(BTA_AV_RC_CLOSE_EVT, (tBTA_AV *) &rc_close); +} + +/******************************************************************************* +** +** Function bta_av_rc_disc +** +** Description start AVRC SDP discovery. +** +** Returns void +** +*******************************************************************************/ +void bta_av_rc_disc(UINT8 disc) +{ + tBTA_AV_CB *p_cb = &bta_av_cb; + tAVRC_SDP_DB_PARAMS db_params; + UINT16 attr_list[] = {ATTR_ID_SERVICE_CLASS_ID_LIST, + ATTR_ID_BT_PROFILE_DESC_LIST, + ATTR_ID_SUPPORTED_FEATURES}; + UINT8 hdi; + tBTA_AV_SCB *p_scb; + UINT8 *p_addr = NULL; + UINT8 rc_handle; + + APPL_TRACE_DEBUG2("bta_av_rc_disc 0x%x, %d", 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) + { + p_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) + { + APPL_TRACE_DEBUG1("rc_handle %d", p_scb->rc_handle); + p_addr = p_scb->peer_addr; + } + } + + if (p_addr) + { + /* allocate discovery database */ + if (p_cb->p_disc_db == NULL) + { + p_cb->p_disc_db = (tSDP_DISCOVERY_DB *) GKI_getbuf(BTA_AV_DISC_BUF_SIZE); + } + + if (p_cb->p_disc_db) + { + /* set up parameters */ + db_params.db_len = BTA_AV_DISC_BUF_SIZE; + db_params.num_attr = 3; + 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, p_addr, &db_params, + bta_av_avrc_sdp_cback) == AVRC_SUCCESS) + { + p_cb->disc = disc; + APPL_TRACE_DEBUG1("disc %d", 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; + UINT8 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) + { + APPL_TRACE_DEBUG2("deregistered %d(h%d)", p_scb->chnl, p_scb->hndl); + mask = BTA_AV_HNDL_TO_MSK(p_scb->hdi); + if(p_scb->chnl == BTA_AV_CHNL_AUDIO) + { + p_cb->reg_audio &= ~mask; + 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--; + } + p_cb->conn_audio &= ~mask; + + if (p_scb->q_tag == BTA_AV_Q_TAG_STREAM) + { + /* make sure no buffers are in q_info.a2d */ + while((p_buf = (BT_HDR*)GKI_dequeue (&p_scb->q_info.a2d)) != NULL) + GKI_freebuf(p_buf); + } + + /* remove the A2DP SDP record, if no more audio stream is left */ + if(!p_cb->reg_audio) + { +#if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE) + bta_ar_dereg_avrc (UUID_SERVCLASS_AV_REMOTE_CONTROL, BTA_ID_AV); +#endif + bta_av_del_sdp_rec(&p_cb->sdp_a2d_handle); + bta_sys_remove_uuid(UUID_SERVCLASS_AUDIO_SOURCE); + } + } + else + { + p_cb->reg_video &= ~mask; + /* make sure that this channel is not connected */ + p_cb->conn_video &= ~mask; + /* remove the VDP SDP record, (only one video stream at most) */ + bta_av_del_sdp_rec(&p_cb->sdp_vdp_handle); + bta_sys_remove_uuid(UUID_SERVCLASS_VIDEO_SOURCE); + } + + /* make sure that the timer is not active */ + bta_sys_stop_timer(&p_scb->timer); + utl_freebuf((void **)&p_cb->p_scb[p_scb->hdi]); + } + + APPL_TRACE_DEBUG3("audio 0x%x, video: 0x%x, disable:%d", + p_cb->reg_audio, p_cb->reg_video, p_cb->disabling); + /* if no stream control block is active */ + if((p_cb->reg_audio + p_cb->reg_video) == 0) + { +#if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE) + /* deregister from AVDT */ + bta_ar_dereg_avdt(BTA_ID_AV); + + /* deregister from AVCT */ + bta_ar_dereg_avrc (UUID_SERVCLASS_AV_REM_CTRL_TARGET, BTA_ID_AV); + bta_ar_dereg_avct(BTA_ID_AV); +#endif + + if(p_cb->disabling) + { + p_cb->disabling = FALSE; + bta_av_cb.features = 0; + } + + /* Clear the Capturing service class bit */ + cod.service = BTM_COD_SERVICE_CAPTURING; + utl_set_device_class(&cod, BTA_UTL_CLR_COD_SERVICE_CLASS); + } +} +#endif /* BTA_AV_INCLUDED */ |