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01994059e2
esp-idf/components/bt/bluedroid/bta/av/include/bta_av_int.h
wangmengyang 01994059e2 component/bt: bugfix that A2DP sink device can be connected by another A2DP sink device 
In pevious implementation, A2DP sink will register an A2DP source Stream End Point(SEP) although the SEP is not\
supposed to be used. Now remove the unused SEP for source so that only one role of A2DP can be supported at one
time. Service record in local SDP server only includes at most one service for A2DP sink role or source
2018-09-13 17:58:00 +08:00

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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
*****************************************************************************/
/* 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;
UINT8 tsep; // local SEP type
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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