/****************************************************************************** * * 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 public interface file for the advanced audio/video streaming * (AV) subsystem of BTA, Broadcom's Bluetooth application layer for mobile * phones. * ******************************************************************************/ #ifndef BTA_AV_API_H #define BTA_AV_API_H #include "avrc_api.h" #include "avdt_api.h" #include "a2d_api.h" #include "bta_api.h" /***************************************************************************** ** Constants and data types *****************************************************************************/ /* Set to TRUE if seperate authorization prompt desired for AVCTP besides A2DP authorization */ /* Typically FALSE when AVRCP is used in conjunction with A2DP */ #ifndef BTA_AV_WITH_AVCTP_AUTHORIZATION #define BTA_AV_WITH_AVCTP_AUTHORIZATION FALSE #endif /* AV status values */ #define BTA_AV_SUCCESS 0 /* successful operation */ #define BTA_AV_FAIL 1 /* generic failure */ #define BTA_AV_FAIL_SDP 2 /* service not found */ #define BTA_AV_FAIL_STREAM 3 /* stream connection failed */ #define BTA_AV_FAIL_RESOURCES 4 /* no resources */ #define BTA_AV_FAIL_ROLE 5 /* failed due to role management related issues */ typedef UINT8 tBTA_AV_STATUS; /* AV features masks */ #define BTA_AV_FEAT_RCTG 0x0001 /* remote control target */ #define BTA_AV_FEAT_RCCT 0x0002 /* remote control controller */ #define BTA_AV_FEAT_PROTECT 0x0004 /* streaming media contect protection */ #define BTA_AV_FEAT_VENDOR 0x0008 /* remote control vendor dependent commands */ #define BTA_AV_FEAT_REPORT 0x0020 /* use reporting service for VDP */ #define BTA_AV_FEAT_METADATA 0x0040 /* remote control Metadata Transfer command/response */ #define BTA_AV_FEAT_MULTI_AV 0x0080 /* use multi-av, if controller supports it */ #define BTA_AV_FEAT_BROWSE 0x0010 /* use browsing channel */ #define BTA_AV_FEAT_MASTER 0x0100 /* stream only as master role */ #define BTA_AV_FEAT_ADV_CTRL 0x0200 /* remote control Advanced Control command/response */ #define BTA_AV_FEAT_DELAY_RPT 0x0400 /* allow delay reporting */ #define BTA_AV_FEAT_ACP_START 0x0800 /* start stream when 2nd SNK was accepted */ /* Internal features */ #define BTA_AV_FEAT_NO_SCO_SSPD 0x8000 /* Do not suspend av streaming as to AG events(SCO or Call) */ typedef UINT16 tBTA_AV_FEAT; /* AV channel values */ #define BTA_AV_CHNL_MSK 0xC0 #define BTA_AV_CHNL_AUDIO 0x40 /* audio channel */ #define BTA_AV_CHNL_VIDEO 0x80 /* video channel */ typedef UINT8 tBTA_AV_CHNL; #define BTA_AV_HNDL_MSK 0x3F typedef UINT8 tBTA_AV_HNDL; /* handle index to mask */ #define BTA_AV_HNDL_TO_MSK(h) ((UINT8)(1 << (h))) /* tBTA_AV_HNDL to mask */ #define BTA_AV_HNDL_TYPE_TO_MSK(h) ((UINT8)(1 << (h&BTA_AV_HNDL_MSK))) /* offset of codec type in codec info byte array */ #define BTA_AV_CODEC_TYPE_IDX AVDT_CODEC_TYPE_INDEX /* 2 */ /* maximum number of streams created: 1 for audio, 1 for video */ #ifndef BTA_AV_NUM_STRS #define BTA_AV_NUM_STRS 2 #endif #ifndef BTA_AV_MAX_SEPS #define BTA_AV_MAX_SEPS 2 #endif #ifndef BTA_AV_MAX_A2DP_MTU /*#define BTA_AV_MAX_A2DP_MTU 668 //224 (DM5) * 3 - 4(L2CAP header) */ #define BTA_AV_MAX_A2DP_MTU 1008 #endif #ifndef BTA_AV_MAX_VDP_MTU #define BTA_AV_MAX_VDP_MTU 1008 #endif /* codec type */ #define BTA_AV_CODEC_SBC A2D_MEDIA_CT_SBC /* SBC media codec type */ #define BTA_AV_CODEC_M12 A2D_MEDIA_CT_M12 /* MPEG-1, 2 Audio media codec type */ #define BTA_AV_CODEC_M24 A2D_MEDIA_CT_M24 /* MPEG-2, 4 AAC media codec type */ #define BTA_AV_CODEC_ATRAC A2D_MEDIA_CT_ATRAC /* ATRAC family media codec type */ #define BTA_AV_CODEC_H263_P0 VDP_MEDIA_CT_H263_P0 /* H.263 baseline (profile 0) */ #define BTA_AV_CODEC_MPEG4 VDP_MEDIA_CT_MPEG4 /* MPEG-4 Visual Simple Profile */ #define BTA_AV_CODEC_H263_P3 VDP_MEDIA_CT_H263_P3 /* H.263 profile 3 */ #define BTA_AV_CODEC_H263_P8 VDP_MEDIA_CT_H263_P8 /* H.263 profile 8 */ #define BTA_AV_CODEC_VEND VDP_MEDIA_CT_VEND /* Non-VDP */ typedef UINT8 tBTA_AV_CODEC; /* Company ID in BT assigned numbers */ #define BTA_AV_BT_VENDOR_ID VDP_BT_VENDOR_ID /* Broadcom Corporation */ /* vendor specific codec ID */ #define BTA_AV_CODEC_ID_H264 VDP_CODEC_ID_H264 /* Non-VDP codec ID - H.264 */ #define BTA_AV_CODEC_ID_IMG VDP_CODEC_ID_IMG /* Non-VDP codec ID - images/slideshow */ /* operation id list for BTA_AvRemoteCmd */ #define BTA_AV_RC_SELECT AVRC_ID_SELECT /* select */ #define BTA_AV_RC_UP AVRC_ID_UP /* up */ #define BTA_AV_RC_DOWN AVRC_ID_DOWN /* down */ #define BTA_AV_RC_LEFT AVRC_ID_LEFT /* left */ #define BTA_AV_RC_RIGHT AVRC_ID_RIGHT /* right */ #define BTA_AV_RC_RIGHT_UP AVRC_ID_RIGHT_UP /* right-up */ #define BTA_AV_RC_RIGHT_DOWN AVRC_ID_RIGHT_DOWN /* right-down */ #define BTA_AV_RC_LEFT_UP AVRC_ID_LEFT_UP /* left-up */ #define BTA_AV_RC_LEFT_DOWN AVRC_ID_LEFT_DOWN /* left-down */ #define BTA_AV_RC_ROOT_MENU AVRC_ID_ROOT_MENU /* root menu */ #define BTA_AV_RC_SETUP_MENU AVRC_ID_SETUP_MENU /* setup menu */ #define BTA_AV_RC_CONT_MENU AVRC_ID_CONT_MENU /* contents menu */ #define BTA_AV_RC_FAV_MENU AVRC_ID_FAV_MENU /* favorite menu */ #define BTA_AV_RC_EXIT AVRC_ID_EXIT /* exit */ #define BTA_AV_RC_0 AVRC_ID_0 /* 0 */ #define BTA_AV_RC_1 AVRC_ID_1 /* 1 */ #define BTA_AV_RC_2 AVRC_ID_2 /* 2 */ #define BTA_AV_RC_3 AVRC_ID_3 /* 3 */ #define BTA_AV_RC_4 AVRC_ID_4 /* 4 */ #define BTA_AV_RC_5 AVRC_ID_5 /* 5 */ #define BTA_AV_RC_6 AVRC_ID_6 /* 6 */ #define BTA_AV_RC_7 AVRC_ID_7 /* 7 */ #define BTA_AV_RC_8 AVRC_ID_8 /* 8 */ #define BTA_AV_RC_9 AVRC_ID_9 /* 9 */ #define BTA_AV_RC_DOT AVRC_ID_DOT /* dot */ #define BTA_AV_RC_ENTER AVRC_ID_ENTER /* enter */ #define BTA_AV_RC_CLEAR AVRC_ID_CLEAR /* clear */ #define BTA_AV_RC_CHAN_UP AVRC_ID_CHAN_UP /* channel up */ #define BTA_AV_RC_CHAN_DOWN AVRC_ID_CHAN_DOWN /* channel down */ #define BTA_AV_RC_PREV_CHAN AVRC_ID_PREV_CHAN /* previous channel */ #define BTA_AV_RC_SOUND_SEL AVRC_ID_SOUND_SEL /* sound select */ #define BTA_AV_RC_INPUT_SEL AVRC_ID_INPUT_SEL /* input select */ #define BTA_AV_RC_DISP_INFO AVRC_ID_DISP_INFO /* display information */ #define BTA_AV_RC_HELP AVRC_ID_HELP /* help */ #define BTA_AV_RC_PAGE_UP AVRC_ID_PAGE_UP /* page up */ #define BTA_AV_RC_PAGE_DOWN AVRC_ID_PAGE_DOWN /* page down */ #define BTA_AV_RC_POWER AVRC_ID_POWER /* power */ #define BTA_AV_RC_VOL_UP AVRC_ID_VOL_UP /* volume up */ #define BTA_AV_RC_VOL_DOWN AVRC_ID_VOL_DOWN /* volume down */ #define BTA_AV_RC_MUTE AVRC_ID_MUTE /* mute */ #define BTA_AV_RC_PLAY AVRC_ID_PLAY /* play */ #define BTA_AV_RC_STOP AVRC_ID_STOP /* stop */ #define BTA_AV_RC_PAUSE AVRC_ID_PAUSE /* pause */ #define BTA_AV_RC_RECORD AVRC_ID_RECORD /* record */ #define BTA_AV_RC_REWIND AVRC_ID_REWIND /* rewind */ #define BTA_AV_RC_FAST_FOR AVRC_ID_FAST_FOR /* fast forward */ #define BTA_AV_RC_EJECT AVRC_ID_EJECT /* eject */ #define BTA_AV_RC_FORWARD AVRC_ID_FORWARD /* forward */ #define BTA_AV_RC_BACKWARD AVRC_ID_BACKWARD /* backward */ #define BTA_AV_RC_ANGLE AVRC_ID_ANGLE /* angle */ #define BTA_AV_RC_SUBPICT AVRC_ID_SUBPICT /* subpicture */ #define BTA_AV_RC_F1 AVRC_ID_F1 /* F1 */ #define BTA_AV_RC_F2 AVRC_ID_F2 /* F2 */ #define BTA_AV_RC_F3 AVRC_ID_F3 /* F3 */ #define BTA_AV_RC_F4 AVRC_ID_F4 /* F4 */ #define BTA_AV_RC_F5 AVRC_ID_F5 /* F5 */ #define BTA_AV_VENDOR AVRC_ID_VENDOR /* vendor unique */ typedef UINT8 tBTA_AV_RC; /* state flag for pass through command */ #define BTA_AV_STATE_PRESS AVRC_STATE_PRESS /* key pressed */ #define BTA_AV_STATE_RELEASE AVRC_STATE_RELEASE /* key released */ typedef UINT8 tBTA_AV_STATE; /* command codes for BTA_AvVendorCmd */ #define BTA_AV_CMD_CTRL AVRC_CMD_CTRL #define BTA_AV_CMD_STATUS AVRC_CMD_STATUS #define BTA_AV_CMD_SPEC_INQ AVRC_CMD_SPEC_INQ #define BTA_AV_CMD_NOTIF AVRC_CMD_NOTIF #define BTA_AV_CMD_GEN_INQ AVRC_CMD_GEN_INQ typedef UINT8 tBTA_AV_CMD; /* response codes for BTA_AvVendorRsp */ #define BTA_AV_RSP_NOT_IMPL AVRC_RSP_NOT_IMPL #define BTA_AV_RSP_ACCEPT AVRC_RSP_ACCEPT #define BTA_AV_RSP_REJ AVRC_RSP_REJ #define BTA_AV_RSP_IN_TRANS AVRC_RSP_IN_TRANS #define BTA_AV_RSP_IMPL_STBL AVRC_RSP_IMPL_STBL #define BTA_AV_RSP_CHANGED AVRC_RSP_CHANGED #define BTA_AV_RSP_INTERIM AVRC_RSP_INTERIM typedef UINT8 tBTA_AV_CODE; /* error codes for BTA_AvProtectRsp */ #define BTA_AV_ERR_NONE A2D_SUCCESS /* Success, no error */ #define BTA_AV_ERR_BAD_STATE AVDT_ERR_BAD_STATE /* Message cannot be processed in this state */ #define BTA_AV_ERR_RESOURCE AVDT_ERR_RESOURCE /* Insufficient resources */ #define BTA_AV_ERR_BAD_CP_TYPE A2D_BAD_CP_TYPE /* The requested Content Protection Type is not supported */ #define BTA_AV_ERR_BAD_CP_FORMAT A2D_BAD_CP_FORMAT /* The format of Content Protection Data is not correct */ typedef UINT8 tBTA_AV_ERR; /* AV callback events */ #define BTA_AV_ENABLE_EVT 0 /* AV enabled */ #define BTA_AV_REGISTER_EVT 1 /* registered to AVDT */ #define BTA_AV_OPEN_EVT 2 /* connection opened */ #define BTA_AV_CLOSE_EVT 3 /* connection closed */ #define BTA_AV_START_EVT 4 /* stream data transfer started */ #define BTA_AV_STOP_EVT 5 /* stream data transfer stopped */ #define BTA_AV_PROTECT_REQ_EVT 6 /* content protection request */ #define BTA_AV_PROTECT_RSP_EVT 7 /* content protection response */ #define BTA_AV_RC_OPEN_EVT 8 /* remote control channel open */ #define BTA_AV_RC_CLOSE_EVT 9 /* remote control channel closed */ #define BTA_AV_REMOTE_CMD_EVT 10 /* remote control command */ #define BTA_AV_REMOTE_RSP_EVT 11 /* remote control response */ #define BTA_AV_VENDOR_CMD_EVT 12 /* vendor dependent remote control command */ #define BTA_AV_VENDOR_RSP_EVT 13 /* vendor dependent remote control response */ #define BTA_AV_RECONFIG_EVT 14 /* reconfigure response */ #define BTA_AV_SUSPEND_EVT 15 /* suspend response */ #define BTA_AV_PENDING_EVT 16 /* incoming connection pending: * signal channel is open and stream is not open * after BTA_AV_SIG_TIME_VAL ms */ #define BTA_AV_META_MSG_EVT 17 /* metadata messages */ #define BTA_AV_REJECT_EVT 18 /* incoming connection rejected */ #define BTA_AV_RC_FEAT_EVT 19 /* remote control channel peer supported features update */ /* Max BTA event */ #define BTA_AV_MAX_EVT 20 typedef UINT8 tBTA_AV_EVT; /* Event associated with BTA_AV_ENABLE_EVT */ typedef struct { tBTA_AV_FEAT features; } tBTA_AV_ENABLE; /* Event associated with BTA_AV_REGISTER_EVT */ typedef struct { tBTA_AV_CHNL chnl; /* audio/video */ tBTA_AV_HNDL hndl; /* Handle associated with the stream. */ UINT8 app_id; /* ID associated with call to BTA_AvRegister() */ tBTA_AV_STATUS status; } tBTA_AV_REGISTER; /* data associated with BTA_AV_OPEN_EVT */ #define BTA_AV_EDR_2MBPS 0x01 #define BTA_AV_EDR_3MBPS 0x02 typedef UINT8 tBTA_AV_EDR; typedef struct { tBTA_AV_CHNL chnl; tBTA_AV_HNDL hndl; BD_ADDR bd_addr; tBTA_AV_STATUS status; BOOLEAN starting; tBTA_AV_EDR edr; /* 0, if peer device does not support EDR */ } tBTA_AV_OPEN; /* data associated with BTA_AV_CLOSE_EVT */ typedef struct { tBTA_AV_CHNL chnl; tBTA_AV_HNDL hndl; } tBTA_AV_CLOSE; /* data associated with BTA_AV_START_EVT */ typedef struct { tBTA_AV_CHNL chnl; tBTA_AV_HNDL hndl; tBTA_AV_STATUS status; BOOLEAN initiator; /* TRUE, if local device initiates the START */ BOOLEAN suspending; } tBTA_AV_START; /* data associated with BTA_AV_SUSPEND_EVT */ typedef struct { tBTA_AV_CHNL chnl; tBTA_AV_HNDL hndl; BOOLEAN initiator; /* TRUE, if local device initiates the SUSPEND */ tBTA_AV_STATUS status; } tBTA_AV_SUSPEND; /* data associated with BTA_AV_RECONFIG_EVT */ typedef struct { tBTA_AV_CHNL chnl; tBTA_AV_HNDL hndl; tBTA_AV_STATUS status; } tBTA_AV_RECONFIG; /* data associated with BTA_AV_PROTECT_REQ_EVT */ typedef struct { tBTA_AV_CHNL chnl; tBTA_AV_HNDL hndl; UINT8 *p_data; UINT16 len; } tBTA_AV_PROTECT_REQ; /* data associated with BTA_AV_PROTECT_RSP_EVT */ typedef struct { tBTA_AV_CHNL chnl; tBTA_AV_HNDL hndl; UINT8 *p_data; UINT16 len; tBTA_AV_ERR err_code; } tBTA_AV_PROTECT_RSP; /* data associated with BTA_AV_RC_OPEN_EVT */ typedef struct { UINT8 rc_handle; tBTA_AV_FEAT peer_features; BD_ADDR peer_addr; tBTA_AV_STATUS status; } tBTA_AV_RC_OPEN; /* data associated with BTA_AV_RC_CLOSE_EVT */ typedef struct { UINT8 rc_handle; BD_ADDR peer_addr; } tBTA_AV_RC_CLOSE; /* data associated with BTA_AV_RC_FEAT_EVT */ typedef struct { UINT8 rc_handle; tBTA_AV_FEAT peer_features; } tBTA_AV_RC_FEAT; /* data associated with BTA_AV_REMOTE_CMD_EVT */ typedef struct { UINT8 rc_handle; tBTA_AV_RC rc_id; tBTA_AV_STATE key_state; UINT8 len; UINT8 *p_data; tAVRC_HDR hdr; /* Message header. */ UINT8 label; } tBTA_AV_REMOTE_CMD; /* data associated with BTA_AV_REMOTE_RSP_EVT */ typedef struct { UINT8 rc_handle; tBTA_AV_RC rc_id; tBTA_AV_STATE key_state; UINT8 len; UINT8 *p_data; tBTA_AV_CODE rsp_code; UINT8 label; } tBTA_AV_REMOTE_RSP; /* data associated with BTA_AV_VENDOR_CMD_EVT, BTA_AV_VENDOR_RSP_EVT */ typedef struct { UINT8 rc_handle; UINT16 len; /* Max vendor dependent message is 512 */ UINT8 label; tBTA_AV_CODE code; UINT32 company_id; UINT8 *p_data; } tBTA_AV_VENDOR; /* data associated with BTA_AV_META_MSG_EVT */ typedef struct { UINT8 rc_handle; UINT16 len; UINT8 label; tBTA_AV_CODE code; UINT32 company_id; UINT8 *p_data; tAVRC_MSG *p_msg; } tBTA_AV_META_MSG; /* data associated with BTA_AV_PENDING_EVT */ typedef struct { BD_ADDR bd_addr; } tBTA_AV_PEND; /* data associated with BTA_AV_REJECT_EVT */ typedef struct { BD_ADDR bd_addr; tBTA_AV_HNDL hndl; /* Handle associated with the stream that rejected the connection. */ } tBTA_AV_REJECT; /* union of data associated with AV callback */ typedef union { tBTA_AV_CHNL chnl; tBTA_AV_ENABLE enable; tBTA_AV_REGISTER registr; tBTA_AV_OPEN open; tBTA_AV_CLOSE close; tBTA_AV_START start; tBTA_AV_PROTECT_REQ protect_req; tBTA_AV_PROTECT_RSP protect_rsp; tBTA_AV_RC_OPEN rc_open; tBTA_AV_RC_CLOSE rc_close; tBTA_AV_REMOTE_CMD remote_cmd; tBTA_AV_REMOTE_RSP remote_rsp; tBTA_AV_VENDOR vendor_cmd; tBTA_AV_VENDOR vendor_rsp; tBTA_AV_RECONFIG reconfig; tBTA_AV_SUSPEND suspend; tBTA_AV_PEND pend; tBTA_AV_META_MSG meta_msg; tBTA_AV_REJECT reject; tBTA_AV_RC_FEAT rc_feat; } tBTA_AV; #define BTA_AVC_PACKET_LEN AVRC_PACKET_LEN #define BTA_VENDOR_DATA_OFFSET 6 #define BTA_VENDOR_HEADER_LEN 4 #define BTA_MAX_VENDOR_DEPENDENT_DATA_LEN (BTA_AVC_PACKET_LEN-BTA_VENDOR_DATA_OFFSET-BTA_VENDOR_HEADER_LEN) #define BTA_GROUP_NAVI_MSG_OP_DATA_LEN 5 #define BTA_ERROR_INVALID_CMD AVRC_STS_BAD_CMD #define BTA_ERROR_INVALID_PARAM AVRC_STS_BAD_PARAM #define BTA_ERROR_BAD_CONTENTS AVRC_STS_NOT_FOUND #define BTA_ERROR_INTERNAL AVRC_STS_INTERNAL_ERR #define BTA_AV_META_SINGLE_PACKET AVRC_PKT_SINGLE #define BTA_AV_CO_METADATA AVRC_CO_METADATA /* AV callback */ typedef void (tBTA_AV_CBACK)(tBTA_AV_EVT event, tBTA_AV *p_data); /* type for stream state machine action functions */ typedef void (*tBTA_AV_ACT)(void *p_cb, void *p_data); /* type for registering VDP */ typedef void (tBTA_AV_REG) (tAVDT_CS *p_cs, char *p_service_name, void *p_data); /* AV configuration structure */ typedef struct { UINT32 company_id; /* AVRCP Company ID */ UINT16 avrc_mtu; /* AVRCP MTU at L2CAP for control channel */ UINT16 avrc_br_mtu; /* AVRCP MTU at L2CAP for browsing channel */ UINT16 avrc_ct_cat; /* AVRCP controller categories */ UINT16 avrc_tg_cat; /* AVRCP target categories */ UINT16 sig_mtu; /* AVDTP signaling channel MTU at L2CAP */ UINT16 audio_mtu; /* AVDTP audio transport channel MTU at L2CAP */ const UINT16 *p_audio_flush_to;/* AVDTP audio transport channel flush timeout */ UINT16 audio_mqs; /* AVDTP audio channel max data queue size */ UINT16 video_mtu; /* AVDTP video transport channel MTU at L2CAP */ UINT16 video_flush_to; /* AVDTP video transport channel flush timeout */ BOOLEAN avrc_group; /* TRUE, to accept AVRC 1.3 group nevigation command */ UINT8 num_co_ids; /* company id count in p_meta_co_ids */ UINT8 num_evt_ids; /* event id count in p_meta_evt_ids */ tBTA_AV_CODE rc_pass_rsp; /* the default response code for pass through commands */ const UINT32 *p_meta_co_ids;/* the metadata Get Capabilities response for company id */ const UINT8 *p_meta_evt_ids;/* the the metadata Get Capabilities response for event id */ const tBTA_AV_ACT *p_act_tbl;/* the action function table for VDP stream */ tBTA_AV_REG *p_reg; /* action function to register VDP */ } tBTA_AV_CFG; #ifdef __cplusplus extern "C" { #endif /***************************************************************************** ** External Function Declarations *****************************************************************************/ /******************************************************************************* ** ** Function BTA_AvEnable ** ** Description Enable the advanced audio/video service. When the enable ** operation is complete the callback function will be ** called with a BTA_AV_ENABLE_EVT. This function must ** be called before other function in the AV API are ** called. ** ** Returns void ** *******************************************************************************/ BTA_API void BTA_AvEnable(tBTA_SEC sec_mask, tBTA_AV_FEAT features, tBTA_AV_CBACK *p_cback); /******************************************************************************* ** ** Function BTA_AvDisable ** ** Description Disable the advanced audio/video service. ** ** ** Returns void ** *******************************************************************************/ BTA_API void BTA_AvDisable(void); /******************************************************************************* ** ** Function BTA_AvRegister ** ** Description Register the audio or video service to stack. When the ** operation is complete the callback function will be ** called with a BTA_AV_REGISTER_EVT. This function must ** be called before AVDT stream is open. ** ** ** Returns void ** *******************************************************************************/ BTA_API void BTA_AvRegister(tBTA_AV_CHNL chnl, const char *p_service_name, UINT8 app_id); /******************************************************************************* ** ** Function BTA_AvDeregister ** ** Description Deregister the audio or video service ** ** Returns void ** *******************************************************************************/ BTA_API void BTA_AvDeregister(tBTA_AV_HNDL hndl); /******************************************************************************* ** ** Function BTA_AvOpen ** ** Description Opens an advanced audio/video connection to a peer device. ** When connection is open callback function is called ** with a BTA_AV_OPEN_EVT. ** ** Returns void ** *******************************************************************************/ BTA_API void BTA_AvOpen(BD_ADDR bd_addr, tBTA_AV_HNDL handle, BOOLEAN use_rc, tBTA_SEC sec_mask); /******************************************************************************* ** ** Function BTA_AvClose ** ** Description Close the current streams. ** ** Returns void ** *******************************************************************************/ BTA_API void BTA_AvClose(tBTA_AV_HNDL handle); /******************************************************************************* ** ** Function BTA_AvDisconnect ** ** Description Close the connection to the address. ** ** Returns void ** *******************************************************************************/ BTA_API void BTA_AvDisconnect(BD_ADDR bd_addr); /******************************************************************************* ** ** Function BTA_AvStart ** ** Description Start audio/video stream data transfer. ** ** Returns void ** *******************************************************************************/ BTA_API void BTA_AvStart(void); /******************************************************************************* ** ** Function BTA_AvStop ** ** Description Stop audio/video stream data transfer. ** If suspend is TRUE, this function sends AVDT suspend signal ** to the connected peer(s). ** ** Returns void ** *******************************************************************************/ BTA_API void BTA_AvStop(BOOLEAN suspend); /******************************************************************************* ** ** Function BTA_AvReconfig ** ** Description Reconfigure the audio/video stream. ** If suspend is TRUE, this function tries the suspend/reconfigure ** procedure first. ** If suspend is FALSE or when suspend/reconfigure fails, ** this function closes and re-opens the AVDT connection. ** ** Returns void ** *******************************************************************************/ BTA_API void BTA_AvReconfig(tBTA_AV_HNDL hndl, BOOLEAN suspend, UINT8 sep_info_idx, UINT8 *p_codec_info, UINT8 num_protect, UINT8 *p_protect_info); /******************************************************************************* ** ** Function BTA_AvProtectReq ** ** Description Send a content protection request. This function can only ** be used if AV is enabled with feature BTA_AV_FEAT_PROTECT. ** ** Returns void ** *******************************************************************************/ BTA_API void BTA_AvProtectReq(tBTA_AV_HNDL hndl, UINT8 *p_data, UINT16 len); /******************************************************************************* ** ** Function BTA_AvProtectRsp ** ** Description Send a content protection response. This function must ** be called if a BTA_AV_PROTECT_REQ_EVT is received. ** This function can only be used if AV is enabled with ** feature BTA_AV_FEAT_PROTECT. ** ** Returns void ** *******************************************************************************/ BTA_API void BTA_AvProtectRsp(tBTA_AV_HNDL hndl, UINT8 error_code, UINT8 *p_data, UINT16 len); /******************************************************************************* ** ** Function BTA_AvRemoteCmd ** ** Description Send a remote control command. This function can only ** be used if AV is enabled with feature BTA_AV_FEAT_RCCT. ** ** Returns void ** *******************************************************************************/ BTA_API void BTA_AvRemoteCmd(UINT8 rc_handle, UINT8 label, tBTA_AV_RC rc_id, tBTA_AV_STATE key_state); /******************************************************************************* ** ** Function BTA_AvVendorCmd ** ** Description Send a vendor dependent remote control command. This ** function can only be used if AV is enabled with feature ** BTA_AV_FEAT_VENDOR. ** ** Returns void ** *******************************************************************************/ BTA_API void BTA_AvVendorCmd(UINT8 rc_handle, UINT8 label, tBTA_AV_CODE cmd_code, UINT8 *p_data, UINT16 len); /******************************************************************************* ** ** Function BTA_AvVendorRsp ** ** Description Send a vendor dependent remote control response. ** This function must be called if a BTA_AV_VENDOR_CMD_EVT ** is received. This function can only be used if AV is ** enabled with feature BTA_AV_FEAT_VENDOR. ** ** Returns void ** *******************************************************************************/ BTA_API void BTA_AvVendorRsp(UINT8 rc_handle, UINT8 label, tBTA_AV_CODE rsp_code, UINT8 *p_data, UINT16 len, UINT32 company_id); /******************************************************************************* ** ** Function BTA_AvOpenRc ** ** Description Open an AVRCP connection toward the device with the ** specified handle ** ** Returns void ** *******************************************************************************/ BTA_API void BTA_AvOpenRc(tBTA_AV_HNDL handle); /******************************************************************************* ** ** Function BTA_AvCloseRc ** ** Description Close an AVRCP connection ** ** Returns void ** *******************************************************************************/ BTA_API void BTA_AvCloseRc(UINT8 rc_handle); /******************************************************************************* ** ** Function BTA_AvMetaRsp ** ** Description Send a Metadata command/response. The message contained ** in p_pkt can be composed with AVRC utility functions. ** This function can only be used if AV is enabled with feature ** BTA_AV_FEAT_METADATA. ** ** Returns void ** *******************************************************************************/ BTA_API void BTA_AvMetaRsp(UINT8 rc_handle, UINT8 label, tBTA_AV_CODE rsp_code, BT_HDR *p_pkt); /******************************************************************************* ** ** Function BTA_AvMetaCmd ** ** Description Send a Metadata/Advanced Control command. The message contained ** in p_pkt can be composed with AVRC utility functions. ** This function can only be used if AV is enabled with feature ** BTA_AV_FEAT_METADATA. ** This message is sent only when the peer supports the TG role. *8 The only command makes sense right now is the absolute volume command. ** ** Returns void ** *******************************************************************************/ BTA_API void BTA_AvMetaCmd(UINT8 rc_handle, UINT8 label, tBTA_AV_CMD cmd_code, BT_HDR *p_pkt); #ifdef __cplusplus } #endif #endif /* BTA_AV_API_H */