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esp-idf/components/bt/bluedroid/bta/av/include/bta_av_int.h

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/******************************************************************************
*
* 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 is the private interface file for the BTA advanced audio/video.
*
******************************************************************************/
#ifndef BTA_AV_INT_H
#define BTA_AV_INT_H
#include "bta/bta_sys.h"
#include "bta/bta_api.h"
#include "bta/bta_av_api.h"
#include "stack/avdt_api.h"
#include "bta/bta_av_co.h"
#include "osi/list.h"
#if (BTA_AV_INCLUDED == TRUE)
#define BTA_AV_DEBUG TRUE
/*****************************************************************************
** Constants
*****************************************************************************/
enum {
/* these events are handled by the AV main state machine */
BTA_AV_API_DISABLE_EVT = BTA_SYS_EVT_START(BTA_ID_AV),
BTA_AV_API_REMOTE_CMD_EVT,
BTA_AV_API_VENDOR_CMD_EVT,
BTA_AV_API_VENDOR_RSP_EVT,
BTA_AV_API_META_RSP_EVT,
BTA_AV_API_RC_CLOSE_EVT,
BTA_AV_AVRC_OPEN_EVT,
BTA_AV_AVRC_MSG_EVT,
BTA_AV_AVRC_NONE_EVT,
/* these events are handled by the AV stream state machine */
BTA_AV_API_OPEN_EVT,
BTA_AV_API_CLOSE_EVT,
BTA_AV_AP_START_EVT, /* the following 2 events must be in the same order as the *API_*EVT */
BTA_AV_AP_STOP_EVT,
BTA_AV_API_RECONFIG_EVT,
BTA_AV_API_PROTECT_REQ_EVT,
BTA_AV_API_PROTECT_RSP_EVT,
BTA_AV_API_RC_OPEN_EVT,
BTA_AV_SRC_DATA_READY_EVT,
BTA_AV_CI_SETCONFIG_OK_EVT,
BTA_AV_CI_SETCONFIG_FAIL_EVT,
BTA_AV_SDP_DISC_OK_EVT,
BTA_AV_SDP_DISC_FAIL_EVT,
BTA_AV_STR_DISC_OK_EVT,
BTA_AV_STR_DISC_FAIL_EVT,
BTA_AV_STR_GETCAP_OK_EVT,
BTA_AV_STR_GETCAP_FAIL_EVT,
BTA_AV_STR_OPEN_OK_EVT,
BTA_AV_STR_OPEN_FAIL_EVT,
BTA_AV_STR_START_OK_EVT,
BTA_AV_STR_START_FAIL_EVT,
BTA_AV_STR_CLOSE_EVT,
BTA_AV_STR_CONFIG_IND_EVT,
BTA_AV_STR_SECURITY_IND_EVT,
BTA_AV_STR_SECURITY_CFM_EVT,
BTA_AV_STR_WRITE_CFM_EVT,
BTA_AV_STR_SUSPEND_CFM_EVT,
BTA_AV_STR_RECONFIG_CFM_EVT,
BTA_AV_AVRC_TIMER_EVT,
BTA_AV_AVDT_CONNECT_EVT,
BTA_AV_AVDT_DISCONNECT_EVT,
BTA_AV_ROLE_CHANGE_EVT,
BTA_AV_AVDT_DELAY_RPT_EVT,
BTA_AV_ACP_CONNECT_EVT,
/* these events are handled outside of the state machine */
BTA_AV_API_ENABLE_EVT,
BTA_AV_API_REGISTER_EVT,
BTA_AV_API_DEREGISTER_EVT,
BTA_AV_API_DISCONNECT_EVT,
BTA_AV_CI_SRC_DATA_READY_EVT,
BTA_AV_SIG_CHG_EVT,
BTA_AV_SIG_TIMER_EVT,
BTA_AV_SDP_AVRC_DISC_EVT,
BTA_AV_AVRC_CLOSE_EVT,
BTA_AV_CONN_CHG_EVT,
BTA_AV_DEREG_COMP_EVT,
#if (BTA_AV_SINK_INCLUDED == TRUE)
BTA_AV_API_SINK_ENABLE_EVT,
#endif
#if (AVDT_REPORTING == TRUE)
BTA_AV_AVDT_RPT_CONN_EVT,
#endif
BTA_AV_API_START_EVT, /* the following 2 events must be in the same order as the *AP_*EVT */
BTA_AV_API_STOP_EVT
};
/* events for AV control block state machine */
#define BTA_AV_FIRST_SM_EVT BTA_AV_API_DISABLE_EVT
#define BTA_AV_LAST_SM_EVT BTA_AV_AVRC_NONE_EVT
/* events for AV stream control block state machine */
#define BTA_AV_FIRST_SSM_EVT BTA_AV_API_OPEN_EVT
/* events that do not go through state machine */
#define BTA_AV_FIRST_NSM_EVT BTA_AV_API_ENABLE_EVT
#define BTA_AV_LAST_NSM_EVT BTA_AV_API_STOP_EVT
/* API events passed to both SSMs (by bta_av_api_to_ssm) */
#define BTA_AV_FIRST_A2S_API_EVT BTA_AV_API_START_EVT
#define BTA_AV_FIRST_A2S_SSM_EVT BTA_AV_AP_START_EVT
#define BTA_AV_LAST_EVT BTA_AV_API_STOP_EVT
/* maximum number of SEPS in stream discovery results */
#define BTA_AV_NUM_SEPS 32
/* initialization value for AVRC handle */
#define BTA_AV_RC_HANDLE_NONE 0xFF
/* size of database for service discovery */
#define BTA_AV_DISC_BUF_SIZE 1000
/* offset of media type in codec info byte array */
#define BTA_AV_MEDIA_TYPE_IDX 1
/* maximum length of AVDTP security data */
#define BTA_AV_SECURITY_MAX_LEN 400
/* check number of buffers queued at L2CAP when this amount of buffers are queued to L2CAP */
#define BTA_AV_QUEUE_DATA_CHK_NUM L2CAP_HIGH_PRI_MIN_XMIT_QUOTA
/* the number of ACL links with AVDT */
#define BTA_AV_NUM_LINKS AVDT_NUM_LINKS
#define BTA_AV_CO_ID_TO_BE_STREAM(p, u32) {*(p)++ = (UINT8)((u32) >> 16); *(p)++ = (UINT8)((u32) >> 8); *(p)++ = (UINT8)(u32); }
#define BTA_AV_BE_STREAM_TO_CO_ID(u32, p) {u32 = (((UINT32)(*((p) + 2))) + (((UINT32)(*((p) + 1))) << 8) + (((UINT32)(*(p))) << 16)); (p) += 3;}
/* these bits are defined for bta_av_cb.multi_av */
#define BTA_AV_MULTI_AV_SUPPORTED 0x01
#define BTA_AV_MULTI_AV_IN_USE 0x02
#define TSEP_TO_SYS_ID(x) ((x) == AVDT_TSEP_SRC ? BTA_ID_AV : BTA_ID_AVK)
/*****************************************************************************
** Data types
*****************************************************************************/
#if 0
/* function types for call-out functions */
typedef BOOLEAN (*tBTA_AV_CO_INIT) (UINT8 *p_codec_type, UINT8 *p_codec_info,
UINT8 *p_num_protect, UINT8 *p_protect_info, UINT8 index);
typedef void (*tBTA_AV_CO_DISC_RES) (tBTA_AV_HNDL hndl, UINT8 num_seps,
UINT8 num_snk, UINT8 num_src, BD_ADDR addr, UINT16 uuid_local);
typedef UINT8 (*tBTA_AV_CO_GETCFG) (tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
UINT8 *p_codec_info, UINT8 *p_sep_info_idx, UINT8 seid,
UINT8 *p_num_protect, UINT8 *p_protect_info);
typedef void (*tBTA_AV_CO_SETCFG) (tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
UINT8 *p_codec_info, UINT8 seid, BD_ADDR addr,
UINT8 num_protect, UINT8 *p_protect_info,
UINT8 t_local_sep, UINT8 avdt_handle);
typedef void (*tBTA_AV_CO_OPEN) (tBTA_AV_HNDL hndl,
tBTA_AV_CODEC codec_type, UINT8 *p_codec_info,
UINT16 mtu);
typedef void (*tBTA_AV_CO_CLOSE) (tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type, UINT16 mtu);
typedef void (*tBTA_AV_CO_START) (tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type, UINT8 *p_codec_info, BOOLEAN *p_no_rtp_hdr);
typedef void (*tBTA_AV_CO_STOP) (tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type);
typedef void *(*tBTA_AV_CO_DATAPATH) (tBTA_AV_CODEC codec_type,
UINT32 *p_len, UINT32 *p_timestamp);
typedef void (*tBTA_AV_CO_DELAY) (tBTA_AV_HNDL hndl, UINT16 delay);
/* the call-out functions for one stream */
typedef struct {
tBTA_AV_CO_INIT init;
tBTA_AV_CO_DISC_RES disc_res;
tBTA_AV_CO_GETCFG getcfg;
tBTA_AV_CO_SETCFG setcfg;
tBTA_AV_CO_OPEN open;
tBTA_AV_CO_CLOSE close;
tBTA_AV_CO_START start;
tBTA_AV_CO_STOP stop;
tBTA_AV_CO_DATAPATH data;
tBTA_AV_CO_DELAY delay;
} tBTA_AV_CO_FUNCTS;
#endif
/* data type for BTA_AV_API_ENABLE_EVT */
typedef struct {
BT_HDR hdr;
tBTA_AV_CBACK *p_cback;
tBTA_AV_FEAT features;
tBTA_SEC sec_mask;
} tBTA_AV_API_ENABLE;
/* data type for BTA_AV_API_REG_EVT */
typedef struct {
BT_HDR hdr;
char p_service_name[BTA_SERVICE_NAME_LEN + 1];
UINT8 app_id;
tBTA_AV_DATA_CBACK *p_app_data_cback;
tBTA_AV_CO_FUNCTS *bta_av_cos;
} tBTA_AV_API_REG;
enum {
BTA_AV_RS_NONE, /* straight API call */
BTA_AV_RS_OK, /* the role switch result - successful */
BTA_AV_RS_FAIL, /* the role switch result - failed */
BTA_AV_RS_DONE /* the role switch is done - continue */
};
typedef UINT8 tBTA_AV_RS_RES;
/* data type for BTA_AV_API_OPEN_EVT */
typedef struct {
BT_HDR hdr;
BD_ADDR bd_addr;
BOOLEAN use_rc;
tBTA_SEC sec_mask;
tBTA_AV_RS_RES switch_res;
UINT16 uuid; /* uuid of initiator */
} tBTA_AV_API_OPEN;
/* data type for BTA_AV_API_STOP_EVT */
typedef struct {
BT_HDR hdr;
BOOLEAN suspend;
BOOLEAN flush;
} tBTA_AV_API_STOP;
/* data type for BTA_AV_API_DISCONNECT_EVT */
typedef struct {
BT_HDR hdr;
BD_ADDR bd_addr;
} tBTA_AV_API_DISCNT;
/* data type for BTA_AV_API_PROTECT_REQ_EVT */
typedef struct {
BT_HDR hdr;
UINT8 *p_data;
UINT16 len;
} tBTA_AV_API_PROTECT_REQ;
/* data type for BTA_AV_API_PROTECT_RSP_EVT */
typedef struct {
BT_HDR hdr;
UINT8 *p_data;
UINT16 len;
UINT8 error_code;
} tBTA_AV_API_PROTECT_RSP;
/* data type for BTA_AV_API_REMOTE_CMD_EVT */
typedef struct {
BT_HDR hdr;
tAVRC_MSG_PASS msg;
UINT8 label;
} tBTA_AV_API_REMOTE_CMD;
/* data type for BTA_AV_API_VENDOR_CMD_EVT and RSP */
typedef struct {
BT_HDR hdr;
tAVRC_MSG_VENDOR msg;
UINT8 label;
} tBTA_AV_API_VENDOR;
/* data type for BTA_AV_API_RC_OPEN_EVT */
typedef struct {
BT_HDR hdr;
} tBTA_AV_API_OPEN_RC;
/* data type for BTA_AV_API_RC_CLOSE_EVT */
typedef struct {
BT_HDR hdr;
} tBTA_AV_API_CLOSE_RC;
/* data type for BTA_AV_API_META_RSP_EVT */
typedef struct {
BT_HDR hdr;
BOOLEAN is_rsp;
UINT8 label;
tBTA_AV_CODE rsp_code;
BT_HDR *p_pkt;
} tBTA_AV_API_META_RSP;
/* data type for BTA_AV_API_RECONFIG_EVT */
typedef struct {
BT_HDR hdr;
UINT8 codec_info[AVDT_CODEC_SIZE]; /* codec configuration */
UINT8 *p_protect_info;
UINT8 num_protect;
BOOLEAN suspend;
UINT8 sep_info_idx;
} tBTA_AV_API_RCFG;
/* data type for BTA_AV_CI_SETCONFIG_OK_EVT and BTA_AV_CI_SETCONFIG_FAIL_EVT */
typedef struct {
BT_HDR hdr;
tBTA_AV_HNDL hndl;
UINT8 err_code;
UINT8 category;
UINT8 num_seid;
UINT8 *p_seid;
BOOLEAN recfg_needed;
UINT8 avdt_handle; /* local sep type for which this stream will be set up */
} tBTA_AV_CI_SETCONFIG;
/* data type for all stream events from AVDTP */
typedef struct {
BT_HDR hdr;
tAVDT_CFG cfg; /* configuration/capabilities parameters */
tAVDT_CTRL msg; /* AVDTP callback message parameters */
BD_ADDR bd_addr; /* bd address */
UINT8 handle;
UINT8 avdt_event;
BOOLEAN initiator; /* TRUE, if local device initiates the SUSPEND */
} tBTA_AV_STR_MSG;
/* data type for BTA_AV_AVRC_MSG_EVT */
typedef struct {
BT_HDR hdr;
tAVRC_MSG msg;
UINT8 handle;
UINT8 label;
UINT8 opcode;
} tBTA_AV_RC_MSG;
/* data type for BTA_AV_AVRC_OPEN_EVT, BTA_AV_AVRC_CLOSE_EVT */
typedef struct {
BT_HDR hdr;
BD_ADDR peer_addr;
UINT8 handle;
} tBTA_AV_RC_CONN_CHG;
/* data type for BTA_AV_CONN_CHG_EVT */
typedef struct {
BT_HDR hdr;
BD_ADDR peer_addr;
BOOLEAN is_up;
} tBTA_AV_CONN_CHG;
/* data type for BTA_AV_ROLE_CHANGE_EVT */
typedef struct {
BT_HDR hdr;
UINT8 new_role;
UINT8 hci_status;
} tBTA_AV_ROLE_RES;
/* data type for BTA_AV_SDP_DISC_OK_EVT */
typedef struct {
BT_HDR hdr;
UINT16 avdt_version; /* AVDTP protocol version */
} tBTA_AV_SDP_RES;
/* type for SEP control block */
typedef struct {
UINT8 av_handle; /* AVDTP handle */
tBTA_AV_CODEC codec_type; /* codec type */
UINT8 tsep; /* SEP type of local SEP */
tBTA_AV_DATA_CBACK *p_app_data_cback; /* Application callback for media packets */
} tBTA_AV_SEP;
/* initiator/acceptor role for adaption */
#define BTA_AV_ROLE_AD_INT 0x00 /* initiator */
#define BTA_AV_ROLE_AD_ACP 0x01 /* acceptor */
/* initiator/acceptor signaling roles */
#define BTA_AV_ROLE_START_ACP 0x00
#define BTA_AV_ROLE_START_INT 0x10 /* do not change this value */
#define BTA_AV_ROLE_SUSPEND 0x20 /* suspending on start */
#define BTA_AV_ROLE_SUSPEND_OPT 0x40 /* Suspend on Start option is set */
/* union of all event datatypes */
typedef union {
BT_HDR hdr;
tBTA_AV_API_ENABLE api_enable;
tBTA_AV_API_REG api_reg;
tBTA_AV_API_OPEN api_open;
tBTA_AV_API_STOP api_stop;
tBTA_AV_API_DISCNT api_discnt;
tBTA_AV_API_PROTECT_REQ api_protect_req;
tBTA_AV_API_PROTECT_RSP api_protect_rsp;
tBTA_AV_API_REMOTE_CMD api_remote_cmd;
tBTA_AV_API_VENDOR api_vendor;
tBTA_AV_API_RCFG api_reconfig;
tBTA_AV_CI_SETCONFIG ci_setconfig;
tBTA_AV_STR_MSG str_msg;
tBTA_AV_RC_MSG rc_msg;
tBTA_AV_RC_CONN_CHG rc_conn_chg;
tBTA_AV_CONN_CHG conn_chg;
tBTA_AV_ROLE_RES role_res;
tBTA_AV_SDP_RES sdp_res;
tBTA_AV_API_META_RSP api_meta_rsp;
} tBTA_AV_DATA;
typedef void (tBTA_AV_VDP_DATA_ACT)(void *p_scb);
typedef struct {
tBTA_AV_VDP_DATA_ACT *p_act;
UINT8 *p_frame;
UINT16 buf_size;
UINT32 len;
UINT32 offset;
UINT32 timestamp;
} tBTA_AV_VF_INFO;
typedef union {
tBTA_AV_VF_INFO vdp; /* used for video channels only */
tBTA_AV_API_OPEN open; /* used only before open and role switch
is needed on another AV channel */
} tBTA_AV_Q_INFO;
#define BTA_AV_Q_TAG_OPEN 0x01 /* after API_OPEN, before STR_OPENED */
#define BTA_AV_Q_TAG_START 0x02 /* before start sending media packets */
#define BTA_AV_Q_TAG_STREAM 0x03 /* during streaming */
#define BTA_AV_WAIT_ACP_CAPS_ON 0x01 /* retriving the peer capabilities */
#define BTA_AV_WAIT_ACP_CAPS_STARTED 0x02 /* started while retriving peer capabilities */
#define BTA_AV_WAIT_ROLE_SW_RES_OPEN 0x04 /* waiting for role switch result after API_OPEN, before STR_OPENED */
#define BTA_AV_WAIT_ROLE_SW_RES_START 0x08 /* waiting for role switch result before streaming */
#define BTA_AV_WAIT_ROLE_SW_STARTED 0x10 /* started while waiting for role switch result */
#define BTA_AV_WAIT_ROLE_SW_RETRY 0x20 /* set when retry on timeout */
#define BTA_AV_WAIT_CHECK_RC 0x40 /* set when the timer is used by role switch */
#define BTA_AV_WAIT_ROLE_SW_FAILED 0x80 /* role switch failed */
#define BTA_AV_WAIT_ROLE_SW_BITS (BTA_AV_WAIT_ROLE_SW_RES_OPEN|BTA_AV_WAIT_ROLE_SW_RES_START|BTA_AV_WAIT_ROLE_SW_STARTED|BTA_AV_WAIT_ROLE_SW_RETRY)
/* Bitmap for collision, coll_mask */
#define BTA_AV_COLL_INC_TMR 0x01 /* Timer is running for incoming L2C connection */
#define BTA_AV_COLL_API_CALLED 0x02 /* API open was called while incoming timer is running */
/* type for AV stream control block */
typedef struct {
const tBTA_AV_ACT *p_act_tbl; /* the action table for stream state machine */
const tBTA_AV_CO_FUNCTS *p_cos; /* the associated callout functions */
tSDP_DISCOVERY_DB *p_disc_db; /* pointer to discovery database */
tBTA_AV_SEP seps[BTA_AV_MAX_SEPS];
tAVDT_CFG *p_cap; /* buffer used for get capabilities */
list_t *a2d_list; /* used for audio channels only */
tBTA_AV_Q_INFO q_info;
tAVDT_SEP_INFO sep_info[BTA_AV_NUM_SEPS]; /* stream discovery results */
tAVDT_CFG cfg; /* local SEP configuration */
TIMER_LIST_ENT timer; /* delay timer for AVRC CT */
BD_ADDR peer_addr; /* peer BD address */
UINT16 l2c_cid; /* L2CAP channel ID */
UINT16 stream_mtu; /* MTU of stream */
UINT16 avdt_version; /* the avdt version of peer device */
tBTA_SEC sec_mask; /* security mask */
tBTA_AV_CODEC codec_type; /* codec type */
UINT8 media_type; /* Media type */
BOOLEAN cong; /* TRUE if AVDTP congested */
tBTA_AV_STATUS open_status; /* open failure status */
tBTA_AV_CHNL chnl; /* the channel: audio/video */
tBTA_AV_HNDL hndl; /* the handle: ((hdi + 1)|chnl) */
UINT16 cur_psc_mask; /* Protocol service capabilities mask for current connection */
UINT8 avdt_handle; /* AVDTP handle */
UINT8 hdi; /* the index to SCB[] */
UINT8 num_seps; /* number of seps returned by stream discovery */
UINT8 num_disc_snks; /* number of discovered snks */
UINT8 num_disc_srcs; /* number of discovered srcs */
UINT8 sep_info_idx; /* current index into sep_info */
UINT8 sep_idx; /* current index into local seps[] */
UINT8 rcfg_idx; /* reconfig requested index into sep_info */
UINT8 state; /* state machine state */
UINT8 avdt_label; /* AVDTP label */
UINT8 app_id; /* application id */
UINT8 num_recfg; /* number of reconfigure sent */
UINT8 role;
UINT8 l2c_bufs; /* the number of buffers queued to L2CAP */
UINT8 rc_handle; /* connected AVRCP handle */
BOOLEAN use_rc; /* TRUE if AVRCP is allowed */
BOOLEAN started; /* TRUE if stream started */
UINT8 co_started; /* non-zero, if stream started from call-out perspective */
BOOLEAN recfg_sup; /* TRUE if the first attempt to reconfigure the stream was successfull, else False if command fails */
BOOLEAN suspend_sup; /* TRUE if Suspend stream is supported, else FALSE if suspend command fails */
BOOLEAN deregistring; /* TRUE if deregistering */
BOOLEAN sco_suspend; /* TRUE if SUSPEND is issued automatically for SCO */
UINT8 coll_mask; /* Mask to check incoming and outgoing collision */
tBTA_AV_API_OPEN open_api; /* Saved OPEN api message */
UINT8 wait; /* set 0x1, when getting Caps as ACP, set 0x2, when started */
UINT8 q_tag; /* identify the associated q_info union member */
BOOLEAN no_rtp_hdr; /* TRUE if add no RTP header*/
UINT8 disc_rsn; /* disconenction reason */
UINT16 uuid_int; /*intended UUID of Initiator to connect to */
} tBTA_AV_SCB;
#define BTA_AV_RC_ROLE_MASK 0x10
#define BTA_AV_RC_ROLE_INT 0x00
#define BTA_AV_RC_ROLE_ACP 0x10
#define BTA_AV_RC_CONN_MASK 0x20
/* type for AV RCP control block */
/* index to this control block is the rc handle */
typedef struct {
UINT8 status;
UINT8 handle;
UINT8 shdl; /* stream handle (hdi + 1) */
UINT8 lidx; /* (index+1) to LCB */
tBTA_AV_FEAT peer_features; /* peer features mask */
} tBTA_AV_RCB;
#define BTA_AV_NUM_RCB (BTA_AV_NUM_STRS + 2)
enum {
BTA_AV_LCB_FREE,
BTA_AV_LCB_FIND
};
/* type for AV ACL Link control block */
typedef struct {
BD_ADDR addr; /* peer BD address */
UINT8 conn_msk; /* handle mask of connected stream handle */
UINT8 lidx; /* index + 1 */
} tBTA_AV_LCB;
/* type for stream state machine action functions */
typedef void (*tBTA_AV_SACT)(tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
/* type for AV control block */
typedef struct {
tBTA_AV_SCB *p_scb[BTA_AV_NUM_STRS]; /* stream control block */
tSDP_DISCOVERY_DB *p_disc_db; /* pointer to discovery database */
tBTA_AV_CBACK *p_cback; /* application callback function */
tBTA_AV_RCB rcb[BTA_AV_NUM_RCB]; /* RCB control block */
tBTA_AV_LCB lcb[BTA_AV_NUM_LINKS + 1]; /* link control block */
TIMER_LIST_ENT sig_tmr; /* link timer */
TIMER_LIST_ENT acp_sig_tmr; /* timer to monitor signalling when accepting */
UINT32 sdp_a2d_handle; /* SDP record handle for audio src */
#if (BTA_AV_SINK_INCLUDED == TRUE)
UINT32 sdp_a2d_snk_handle; /* SDP record handle for audio snk */
#endif
UINT32 sdp_vdp_handle; /* SDP record handle for video src */
tBTA_AV_FEAT features; /* features mask */
tBTA_SEC sec_mask; /* security mask */
tBTA_AV_HNDL handle; /* the handle for SDP activity */
BOOLEAN disabling; /* TRUE if api disabled called */
UINT8 disc; /* (hdi+1) or (rc_handle|BTA_AV_CHNL_MSK) if p_disc_db is in use */
UINT8 state; /* state machine state */
UINT8 conn_rc; /* handle mask of connected RCP channels */
UINT8 conn_audio; /* handle mask of connected audio channels */
UINT8 conn_video; /* handle mask of connected video channels */
UINT8 conn_lcb; /* index mask of used LCBs */
UINT8 audio_open_cnt; /* number of connected audio channels */
UINT8 reg_audio; /* handle mask of registered audio channels */
UINT8 reg_video; /* handle mask of registered video channels */
UINT8 rc_acp_handle;
UINT8 rc_acp_idx; /* (index + 1) to RCB */
UINT8 rs_idx; /* (index + 1) to SCB for the one waiting for RS on open */
BOOLEAN sco_occupied; /* TRUE if SCO is being used or call is in progress */
UINT8 audio_streams; /* handle mask of streaming audio channels */
UINT8 video_streams; /* handle mask of streaming video channels */
} tBTA_AV_CB;
/*****************************************************************************
** Global data
*****************************************************************************/
/* control block declaration */
#if BTA_DYNAMIC_MEMORY == FALSE
extern tBTA_AV_CB bta_av_cb;
#else
extern tBTA_AV_CB *bta_av_cb_ptr;
#define bta_av_cb (*bta_av_cb_ptr)
#endif
/* config struct */
extern tBTA_AV_CFG *p_bta_av_cfg;
/* rc id config struct */
extern UINT16 *p_bta_av_rc_id;
extern UINT16 *p_bta_av_rc_id_ac;
extern const tBTA_AV_SACT bta_av_a2d_action[];
// extern const tBTA_AV_CO_FUNCTS bta_av_a2d_cos;
extern const tBTA_AV_SACT bta_av_vdp_action[];
extern tAVDT_CTRL_CBACK *const bta_av_dt_cback[];
extern void bta_av_stream_data_cback(UINT8 handle, BT_HDR *p_pkt, UINT32 time_stamp, UINT8 m_pt);
/*****************************************************************************
** Function prototypes
*****************************************************************************/
/* utility functions */
extern tBTA_AV_SCB *bta_av_hndl_to_scb(UINT16 handle);
extern BOOLEAN bta_av_chk_start(tBTA_AV_SCB *p_scb);
extern void bta_av_restore_switch (void);
extern UINT16 bta_av_chk_mtu(tBTA_AV_SCB *p_scb, UINT16 mtu);
extern void bta_av_conn_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data);
extern UINT8 bta_av_rc_create(tBTA_AV_CB *p_cb, UINT8 role, UINT8 shdl, UINT8 lidx);
extern void bta_av_stream_chg(tBTA_AV_SCB *p_scb, BOOLEAN started);
extern BOOLEAN bta_av_is_scb_opening (tBTA_AV_SCB *p_scb);
extern BOOLEAN bta_av_is_scb_incoming (tBTA_AV_SCB *p_scb);
extern void bta_av_set_scb_sst_init (tBTA_AV_SCB *p_scb);
extern BOOLEAN bta_av_is_scb_init (tBTA_AV_SCB *p_scb);
extern void bta_av_set_scb_sst_incoming (tBTA_AV_SCB *p_scb);
extern tBTA_AV_LCB *bta_av_find_lcb(BD_ADDR addr, UINT8 op);
/* main functions */
extern void bta_av_api_deregister(tBTA_AV_DATA *p_data);
extern void bta_av_dup_audio_buf(tBTA_AV_SCB *p_scb, BT_HDR *p_buf);
extern void bta_av_sm_execute(tBTA_AV_CB *p_cb, UINT16 event, tBTA_AV_DATA *p_data);
extern void bta_av_ssm_execute(tBTA_AV_SCB *p_scb, UINT16 event, tBTA_AV_DATA *p_data);
extern BOOLEAN bta_av_hdl_event(BT_HDR *p_msg);
#if (defined(BTA_AV_DEBUG) && BTA_AV_DEBUG == TRUE)
extern char *bta_av_evt_code(UINT16 evt_code);
#endif
extern BOOLEAN bta_av_switch_if_needed(tBTA_AV_SCB *p_scb);
extern BOOLEAN bta_av_link_role_ok(tBTA_AV_SCB *p_scb, UINT8 bits);
extern BOOLEAN bta_av_is_rcfg_sst(tBTA_AV_SCB *p_scb);
/* nsm action functions */
extern void bta_av_api_disconnect(tBTA_AV_DATA *p_data);
extern void bta_av_sig_chg(tBTA_AV_DATA *p_data);
extern void bta_av_sig_timer(tBTA_AV_DATA *p_data);
extern void bta_av_rc_disc_done(tBTA_AV_DATA *p_data);
extern void bta_av_rc_closed(tBTA_AV_DATA *p_data);
extern void bta_av_rc_disc(UINT8 disc);
extern void bta_av_conn_chg(tBTA_AV_DATA *p_data);
extern void bta_av_dereg_comp(tBTA_AV_DATA *p_data);
/* sm action functions */
extern void bta_av_disable (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data);
extern void bta_av_rc_opened (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data);
extern void bta_av_rc_remote_cmd (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data);
extern void bta_av_rc_vendor_cmd (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data);
extern void bta_av_rc_vendor_rsp (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data);
extern void bta_av_rc_msg (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data);
extern void bta_av_rc_close (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data);
extern void bta_av_rc_meta_rsp (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data);
extern void bta_av_rc_free_rsp (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data);
extern void bta_av_rc_free_msg (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data);
extern tBTA_AV_RCB *bta_av_get_rcb_by_shdl(UINT8 shdl);
extern void bta_av_del_rc(tBTA_AV_RCB *p_rcb);
/* ssm action functions */
extern void bta_av_do_disc_a2d (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_cleanup (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_free_sdb (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_config_ind (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_disconnect_req (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_security_req (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_security_rsp (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_setconfig_rsp (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_str_opened (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_security_ind (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_security_cfm (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_do_close (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_connect_req (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_sdp_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_disc_results (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_disc_res_as_acp (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_open_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_getcap_results (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_setconfig_rej (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_discover_req (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_conn_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_do_start (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_str_stopped (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_reconfig (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_data_path (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_start_ok (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_start_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_str_closed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_clr_cong (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_suspend_cfm (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_rcfg_str_ok (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_rcfg_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_rcfg_connect (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_rcfg_discntd (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_suspend_cont (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_rcfg_cfm (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_rcfg_open (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_security_rej (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_open_rc (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_chk_2nd_start (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_save_caps (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_rej_conn (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_rej_conn (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_set_use_rc (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_cco_close (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_switch_role (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_role_res (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_delay_co (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_open_at_inc (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
/* ssm action functions - vdp specific */
extern void bta_av_do_disc_vdp (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_vdp_str_opened (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
extern void bta_av_reg_vdp (tAVDT_CS *p_cs, char *p_service_name, void *p_data);
#endif ///BTA_AV_INCLUDED == TRUE
#endif /* BTA_AV_INT_H */
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