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Diffstat (limited to 'bta/av/bta_av_int.h')
| -rw-r--r-- | bta/av/bta_av_int.h | 719 |
1 files changed, 719 insertions, 0 deletions
diff --git a/bta/av/bta_av_int.h b/bta/av/bta_av_int.h new file mode 100644 index 0000000..05eb114 --- /dev/null +++ b/bta/av/bta_av_int.h @@ -0,0 +1,719 @@ +/****************************************************************************** + * + * 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_sys.h" +#include "bta_api.h" +#include "bta_av_api.h" +#include "avdt_api.h" +#include "bta_av_co.h" + +#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 (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 5 + +/* 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 + + +/***************************************************************************** +** Data types +*****************************************************************************/ + +/* 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, BD_ADDR addr); + +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); +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); +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; + +/* 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_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; +} 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; +} 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 */ +} 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 +{ + BUFFER_Q a2d; /* used for audio channels only */ + 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 */ + 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 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 */ +} 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 */ + 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[]; + +/***************************************************************************** +** 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_proc_stream_evt(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data, int index); +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_st_rc_timer(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_INT_H */ |