| /****************************************************************************** |
| * |
| * 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 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 |
| |
| |
| /***************************************************************************** |
| ** 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,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; |
| |
| /* 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 */ |
| BOOLEAN no_rtp_hdr; /* TRUE if add no RTP header*/ |
| } 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 */ |
