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Diffstat (limited to 'stack/include/avdt_api.h')
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diff --git a/stack/include/avdt_api.h b/stack/include/avdt_api.h new file mode 100644 index 0000000..0a9b7f8 --- /dev/null +++ b/stack/include/avdt_api.h @@ -0,0 +1,902 @@ +/****************************************************************************** + * + * Copyright (C) 2002-2012 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 interface file contains the interface to the Audio Video + * Distribution Transport Protocol (AVDTP). + * + ******************************************************************************/ +#ifndef AVDT_API_H +#define AVDT_API_H + +#include "bt_types.h" +#include "bt_target.h" + +/***************************************************************************** +** Constants +*****************************************************************************/ +#ifndef AVDT_VERSION +#define AVDT_VERSION 0x0102 +#endif +#define AVDT_VERSION_SYNC 0x0103 + +/* API function return value result codes. */ +#define AVDT_SUCCESS 0 /* Function successful */ +#define AVDT_BAD_PARAMS 1 /* Invalid parameters */ +#define AVDT_NO_RESOURCES 2 /* Not enough resources */ +#define AVDT_BAD_HANDLE 3 /* Bad handle */ +#define AVDT_BUSY 4 /* A procedure is already in progress */ +#define AVDT_WRITE_FAIL 5 /* Write failed */ + +/* The index to access the codec type in codec_info[]. */ +#define AVDT_CODEC_TYPE_INDEX 2 + +/* The size in bytes of a Adaptation Layer header. */ +#define AVDT_AL_HDR_SIZE 3 + +/* The size in bytes of a media packet header. */ +#define AVDT_MEDIA_HDR_SIZE 12 + +/* AVDTP 7.5.3 Adaptation Layer Fragmentation + * original length of the un-fragmented transport packet should be specified by + * two bytes length field of Adaptation Layer Header */ +#define AVDT_MAX_MEDIA_SIZE (0xFFFF - AVDT_MEDIA_HDR_SIZE) + +/* The handle is used when reporting MULTI_AV specific events */ +#define AVDT_MULTI_AV_HANDLE 0xFF + +/* The number of bytes needed by the protocol stack for the protocol headers +** of a media packet. This is the size of the media packet header, the +** L2CAP packet header and HCI header. +*/ +#define AVDT_MEDIA_OFFSET 23 + +/* The marker bit is used by the application to mark significant events such +** as frame boundaries in the data stream. This constant is used to check or +** set the marker bit in the m_pt parameter of an AVDT_WriteReq() +** or AVDT_DATA_IND_EVT. +*/ +#define AVDT_MARKER_SET 0x80 + +/* SEP Type. This indicates the stream endpoint type. */ +#define AVDT_TSEP_SRC 0 /* Source SEP */ +#define AVDT_TSEP_SNK 1 /* Sink SEP */ + +/* initiator/acceptor role for adaption */ +#define AVDT_INT 0 /* initiator */ +#define AVDT_ACP 1 /* acceptor */ + +/* Media Type. This indicates the media type of the stream endpoint. */ +#define AVDT_MEDIA_AUDIO 0 /* Audio SEP */ +#define AVDT_MEDIA_VIDEO 1 /* Video SEP */ +#define AVDT_MEDIA_MULTI 2 /* Multimedia SEP */ + +/* for reporting packets */ +#define AVDT_RTCP_PT_SR 200 /* the packet type - SR (Sender Report) */ +#define AVDT_RTCP_PT_RR 201 /* the packet type - RR (Receiver Report) */ +#define AVDT_RTCP_PT_SDES 202 /* the packet type - SDES (Source Description) */ +typedef UINT8 AVDT_REPORT_TYPE; + +#define AVDT_RTCP_SDES_CNAME 1 /* SDES item CNAME */ +#ifndef AVDT_MAX_CNAME_SIZE +#define AVDT_MAX_CNAME_SIZE 28 +#endif + +/* Protocol service capabilities. This indicates the protocol service +** capabilities of a stream endpoint. This value is a mask. +** Multiple values can be combined with a bitwise OR. +*/ +#define AVDT_PSC_TRANS (1<<1) /* Media transport */ +#define AVDT_PSC_REPORT (1<<2) /* Reporting */ +#define AVDT_PSC_RECOV (1<<3) /* Recovery */ +#define AVDT_PSC_HDRCMP (1<<5) /* Header compression */ +#define AVDT_PSC_MUX (1<<6) /* Multiplexing */ +#define AVDT_PSC_DELAY_RPT (1<<8) /* Delay Report */ + +/* Recovery type. This indicates the recovery type. */ +#define AVDT_RECOV_RFC2733 1 /* RFC2733 recovery */ + +/* Header compression capabilities. This indicates the header compression +** capabilities. This value is a mask. Multiple values can be combined +** with a bitwise OR. +*/ +#define AVDT_HDRCMP_MEDIA (1<<5) /* Available for media packets */ +#define AVDT_HDRCMP_RECOV (1<<6) /* Available for recovery packets */ +#define AVDT_HDRCMP_BACKCH (1<<7) /* Back channel supported */ + +/* Multiplexing capabilities mask. */ +#define AVDT_MUX_FRAG (1<<7) /* Allow Adaptation Layer Fragmentation */ + +/* Application service category. This indicates the application +** service category. +*/ +#define AVDT_ASC_PROTECT 4 /* Content protection */ +#define AVDT_ASC_CODEC 7 /* Codec */ + +/* Error codes. The following are error codes defined in the AVDTP and GAVDP +** specifications. These error codes communicate protocol errors between +** AVDTP and the application. More detailed descriptions of the error codes +** and their appropriate use can be found in the AVDTP and GAVDP specifications. +** These error codes are unrelated to the result values returned by the +** AVDTP API functions. +*/ +#define AVDT_ERR_HEADER 0x01 /* Bad packet header format */ +#define AVDT_ERR_LENGTH 0x11 /* Bad packet length */ +#define AVDT_ERR_SEID 0x12 /* Invalid SEID */ +#define AVDT_ERR_IN_USE 0x13 /* The SEP is in use */ +#define AVDT_ERR_NOT_IN_USE 0x14 /* The SEP is not in use */ +#define AVDT_ERR_CATEGORY 0x17 /* Bad service category */ +#define AVDT_ERR_PAYLOAD 0x18 /* Bad payload format */ +#define AVDT_ERR_NSC 0x19 /* Requested command not supported */ +#define AVDT_ERR_INVALID_CAP 0x1A /* Reconfigure attempted invalid capabilities */ +#define AVDT_ERR_RECOV_TYPE 0x22 /* Requested recovery type not defined */ +#define AVDT_ERR_MEDIA_TRANS 0x23 /* Media transport capability not correct */ +#define AVDT_ERR_RECOV_FMT 0x25 /* Recovery service capability not correct */ +#define AVDT_ERR_ROHC_FMT 0x26 /* Header compression service capability not correct */ +#define AVDT_ERR_CP_FMT 0x27 /* Content protection service capability not correct */ +#define AVDT_ERR_MUX_FMT 0x28 /* Multiplexing service capability not correct */ +#define AVDT_ERR_UNSUP_CFG 0x29 /* Configuration not supported */ +#define AVDT_ERR_BAD_STATE 0x31 /* Message cannot be processed in this state */ +#define AVDT_ERR_REPORT_FMT 0x65 /* Report service capability not correct */ +#define AVDT_ERR_SERVICE 0x80 /* Invalid service category */ +#define AVDT_ERR_RESOURCE 0x81 /* Insufficient resources */ +#define AVDT_ERR_INVALID_MCT 0xC1 /* Invalid Media Codec Type */ +#define AVDT_ERR_UNSUP_MCT 0xC2 /* Unsupported Media Codec Type */ +#define AVDT_ERR_INVALID_LEVEL 0xC3 /* Invalid Level */ +#define AVDT_ERR_UNSUP_LEVEL 0xC4 /* Unsupported Level */ +#define AVDT_ERR_INVALID_CP 0xE0 /* Invalid Content Protection Type */ +#define AVDT_ERR_INVALID_FORMAT 0xE1 /* Invalid Content Protection format */ + +/* Additional error codes. This indicates error codes used by AVDTP +** in addition to the ones defined in the specifications. +*/ +#define AVDT_ERR_CONNECT 0x07 /* Connection failed. */ +#define AVDT_ERR_TIMEOUT 0x08 /* Response timeout. */ + +/* Control callback events. */ +#define AVDT_DISCOVER_CFM_EVT 0 /* Discover confirm */ +#define AVDT_GETCAP_CFM_EVT 1 /* Get capabilities confirm */ +#define AVDT_OPEN_CFM_EVT 2 /* Open confirm */ +#define AVDT_OPEN_IND_EVT 3 /* Open indication */ +#define AVDT_CONFIG_IND_EVT 4 /* Configuration indication */ +#define AVDT_START_CFM_EVT 5 /* Start confirm */ +#define AVDT_START_IND_EVT 6 /* Start indication */ +#define AVDT_SUSPEND_CFM_EVT 7 /* Suspend confirm */ +#define AVDT_SUSPEND_IND_EVT 8 /* Suspend indication */ +#define AVDT_CLOSE_CFM_EVT 9 /* Close confirm */ +#define AVDT_CLOSE_IND_EVT 10 /* Close indication */ +#define AVDT_RECONFIG_CFM_EVT 11 /* Reconfiguration confirm */ +#define AVDT_RECONFIG_IND_EVT 12 /* Reconfiguration indication */ +#define AVDT_SECURITY_CFM_EVT 13 /* Security confirm */ +#define AVDT_SECURITY_IND_EVT 14 /* Security indication */ +#define AVDT_WRITE_CFM_EVT 15 /* Write confirm */ +#define AVDT_CONNECT_IND_EVT 16 /* Signaling channel connected */ +#define AVDT_DISCONNECT_IND_EVT 17 /* Signaling channel disconnected */ +#define AVDT_REPORT_CONN_EVT 18 /* Reporting channel connected */ +#define AVDT_REPORT_DISCONN_EVT 19 /* Reporting channel disconnected */ +#define AVDT_DELAY_REPORT_EVT 20 /* Delay report received */ +#define AVDT_DELAY_REPORT_CFM_EVT 21 /* Delay report response received */ + +#define AVDT_MAX_EVT (AVDT_DELAY_REPORT_CFM_EVT) + +/* PSM for AVDT */ +#define AVDT_PSM 0x0019 + +/* Nonsupported protocol command messages. This value is used in tAVDT_CS */ +#define AVDT_NSC_SUSPEND 0x01 /* Suspend command not supported */ +#define AVDT_NSC_RECONFIG 0x02 /* Reconfigure command not supported */ +#define AVDT_NSC_SECURITY 0x04 /* Security command not supported */ + +/***************************************************************************** +** Type Definitions +*****************************************************************************/ + +typedef struct +{ + UINT32 ntp_sec; /* NTP time: seconds relative to 0h UTC on 1 January 1900 */ + UINT32 ntp_frac; /* NTP time: the fractional part */ + UINT32 rtp_time; /* timestamp in RTP header */ + UINT32 pkt_count; /* sender's packet count: since starting transmission + * up until the time this SR packet was generated. */ + UINT32 octet_count; /* sender's octet count: same comment */ +} tAVDT_SENDER_INFO; + +typedef struct +{ + UINT8 frag_lost; /* fraction lost since last RR */ + UINT32 packet_lost; /* cumulative number of packets lost since the beginning */ + UINT32 seq_num_rcvd; /* extended highest sequence number received */ + UINT32 jitter; /* interarrival jitter */ + UINT32 lsr; /* last SR timestamp */ + UINT32 dlsr; /* delay since last SR */ +} tAVDT_REPORT_BLK; + +typedef union +{ + tAVDT_SENDER_INFO sr; + tAVDT_REPORT_BLK rr; + UINT8 cname[AVDT_MAX_CNAME_SIZE + 1]; +} tAVDT_REPORT_DATA; + +/* This structure contains parameters which are set at registration. */ +typedef struct { + UINT16 ctrl_mtu; /* L2CAP MTU of the AVDTP signaling channel */ + UINT8 ret_tout; /* AVDTP signaling retransmission timeout */ + UINT8 sig_tout; /* AVDTP signaling message timeout */ + UINT8 idle_tout; /* AVDTP idle signaling channel timeout */ + UINT8 sec_mask; /* Security mask for BTM_SetSecurityLevel() */ +} tAVDT_REG; + +/* This structure contains the SEP information. This information is +** transferred during the discovery procedure. +*/ +typedef struct { + BOOLEAN in_use; /* TRUE if stream is currently in use */ + UINT8 seid; /* Stream endpoint identifier */ + UINT8 media_type; /* Media type */ + UINT8 tsep; /* SEP type */ +} tAVDT_SEP_INFO; + +/* This structure contains the SEP configuration. */ +typedef struct { + UINT8 codec_info[AVDT_CODEC_SIZE]; /* Codec capabilities array */ + UINT8 protect_info[AVDT_PROTECT_SIZE]; /* Content protection capabilities */ + UINT8 num_codec; /* Number of media codec information elements */ + UINT8 num_protect; /* Number of content protection information elements */ + UINT16 psc_mask; /* Protocol service capabilities mask */ + UINT8 recov_type; /* Recovery type */ + UINT8 recov_mrws; /* Maximum recovery window size */ + UINT8 recov_mnmp; /* Recovery maximum number of media packets */ + UINT8 hdrcmp_mask; /* Header compression capabilities */ +#if AVDT_MULTIPLEXING == TRUE + UINT8 mux_mask; /* Multiplexing capabilities. AVDT_MUX_XXX bits can be combined with a bitwise OR */ + UINT8 mux_tsid_media; /* TSID for media transport session */ + UINT8 mux_tcid_media; /* TCID for media transport session */ + UINT8 mux_tsid_report; /* TSID for reporting transport session */ + UINT8 mux_tcid_report; /* TCID for reporting transport session */ + UINT8 mux_tsid_recov; /* TSID for recovery transport session */ + UINT8 mux_tcid_recov; /* TCID for recovery transport session */ +#endif +} tAVDT_CFG; + +/* Header structure for callback event parameters. */ +typedef struct { + UINT8 err_code; /* Zero if operation succeeded; nonzero if operation failed */ + UINT8 err_param; /* Error parameter included for some events */ + UINT8 label; /* Transaction label */ + UINT8 seid; /* For internal use only */ + UINT8 sig_id; /* For internal use only */ + UINT8 ccb_idx; /* For internal use only */ +} tAVDT_EVT_HDR; + +/* This data structure is associated with the AVDT_GETCAP_CFM_EVT, +** AVDT_RECONFIG_IND_EVT, and AVDT_RECONFIG_CFM_EVT. +*/ +typedef struct { + tAVDT_EVT_HDR hdr; /* Event header */ + tAVDT_CFG *p_cfg; /* Pointer to configuration for this SEP */ +} tAVDT_CONFIG; + +/* This data structure is associated with the AVDT_CONFIG_IND_EVT. */ +typedef struct { + tAVDT_EVT_HDR hdr; /* Event header */ + tAVDT_CFG *p_cfg; /* Pointer to configuration for this SEP */ + UINT8 int_seid; /* Stream endpoint ID of stream initiating the operation */ +} tAVDT_SETCONFIG; + +/* This data structure is associated with the AVDT_OPEN_IND_EVT and AVDT_OPEN_CFM_EVT. */ +typedef struct { + tAVDT_EVT_HDR hdr; /* Event header */ + UINT16 peer_mtu; /* Transport channel L2CAP MTU of the peer */ + UINT16 lcid; /* L2CAP LCID for media channel */ +} tAVDT_OPEN; + +/* This data structure is associated with the AVDT_SECURITY_IND_EVT +** and AVDT_SECURITY_CFM_EVT. +*/ +typedef struct { + tAVDT_EVT_HDR hdr; /* Event header */ + UINT8 *p_data; /* Pointer to security data */ + UINT16 len; /* Length in bytes of the security data */ +} tAVDT_SECURITY; + +/* This data structure is associated with the AVDT_DISCOVER_CFM_EVT. */ +typedef struct { + tAVDT_EVT_HDR hdr; /* Event header */ + tAVDT_SEP_INFO *p_sep_info; /* Pointer to SEP information */ + UINT8 num_seps; /* Number of stream endpoints */ +} tAVDT_DISCOVER; + +/* This data structure is associated with the AVDT_DELAY_REPORT_EVT. */ +typedef struct { + tAVDT_EVT_HDR hdr; /* Event header */ + UINT16 delay; /* Delay value */ +} tAVDT_DELAY_RPT; + +/* Union of all control callback event data structures */ +typedef union { + tAVDT_EVT_HDR hdr; + tAVDT_DISCOVER discover_cfm; + tAVDT_CONFIG getcap_cfm; + tAVDT_OPEN open_cfm; + tAVDT_OPEN open_ind; + tAVDT_SETCONFIG config_ind; + tAVDT_EVT_HDR start_cfm; + tAVDT_EVT_HDR suspend_cfm; + tAVDT_EVT_HDR close_cfm; + tAVDT_CONFIG reconfig_cfm; + tAVDT_CONFIG reconfig_ind; + tAVDT_SECURITY security_cfm; + tAVDT_SECURITY security_ind; + tAVDT_EVT_HDR connect_ind; + tAVDT_EVT_HDR disconnect_ind; + tAVDT_EVT_HDR report_conn; + tAVDT_DELAY_RPT delay_rpt_cmd; +} tAVDT_CTRL; + +/* This is the control callback function. This function passes control events +** to the application. This function is required for all registered stream +** endpoints and for the AVDT_DiscoverReq() and AVDT_GetCapReq() functions. +** +*/ +typedef void (tAVDT_CTRL_CBACK)(UINT8 handle, BD_ADDR bd_addr, UINT8 event, + tAVDT_CTRL *p_data); + +/* This is the data callback function. It is executed when AVDTP has a media +** packet ready for the application. This function is required for SNK +** endpoints and not applicable for SRC endpoints. +*/ +typedef void (tAVDT_DATA_CBACK)(UINT8 handle, BT_HDR *p_pkt, UINT32 time_stamp, + UINT8 m_pt); + +#if AVDT_MULTIPLEXING == TRUE +/* This is the second version of the data callback function. This version uses +** application buffer assigned by AVDT_SetMediaBuf. Caller can assign different +** buffer during callback or can leave the current buffer for further using. +** This callback is called when AVDTP has a media packet ready for the application. +** This function is required for SNK endpoints and not applicable for SRC endpoints. +*/ +typedef void (tAVDT_MEDIA_CBACK)(UINT8 handle, UINT8 *p_payload, UINT32 payload_len, + UINT32 time_stamp, UINT16 seq_num, UINT8 m_pt, UINT8 marker); +#endif + +#if AVDT_REPORTING == TRUE +/* This is the report callback function. It is executed when AVDTP has a reporting +** packet ready for the application. This function is required for streams +** created with AVDT_PSC_REPORT. +*/ +typedef void (tAVDT_REPORT_CBACK)(UINT8 handle, AVDT_REPORT_TYPE type, + tAVDT_REPORT_DATA *p_data); +#endif + +typedef UINT16 (tAVDT_GETCAP_REQ) (BD_ADDR bd_addr, UINT8 seid, tAVDT_CFG *p_cfg, tAVDT_CTRL_CBACK *p_cback); + +/* This structure contains information required when a stream is created. +** It is passed to the AVDT_CreateStream() function. +*/ +typedef struct { + tAVDT_CFG cfg; /* SEP configuration */ + tAVDT_CTRL_CBACK *p_ctrl_cback; /* Control callback function */ + tAVDT_DATA_CBACK *p_data_cback; /* Data callback function */ +#if AVDT_MULTIPLEXING == TRUE + tAVDT_MEDIA_CBACK *p_media_cback; /* Media callback function. It will be called only if p_data_cback is NULL */ +#endif +#if AVDT_REPORTING == TRUE + tAVDT_REPORT_CBACK *p_report_cback;/* Report callback function. */ +#endif + UINT16 mtu; /* The L2CAP MTU of the transport channel */ + UINT16 flush_to; /* The L2CAP flush timeout of the transport channel */ + UINT8 tsep; /* SEP type */ + UINT8 media_type; /* Media type */ + UINT16 nsc_mask; /* Nonsupported protocol command messages */ +} tAVDT_CS; + + +/***************************************************************************** +** External Function Declarations +*****************************************************************************/ +#ifdef __cplusplus +extern "C" +{ +#endif + +/******************************************************************************* +** +** Function AVDT_Register +** +** Description This is the system level registration function for the +** AVDTP protocol. This function initializes AVDTP and +** prepares the protocol stack for its use. This function +** must be called once by the system or platform using AVDTP +** before the other functions of the API an be used. +** +** +** Returns void +** +*******************************************************************************/ +AVDT_API extern void AVDT_Register(tAVDT_REG *p_reg, tAVDT_CTRL_CBACK *p_cback); + +/******************************************************************************* +** +** Function AVDT_Deregister +** +** Description This function is called to deregister use AVDTP protocol. +** It is called when AVDTP is no longer being used by any +** application in the system. Before this function can be +** called, all streams must be removed with AVDT_RemoveStream(). +** +** +** Returns void +** +*******************************************************************************/ +AVDT_API extern void AVDT_Deregister(void); + +/******************************************************************************* +** +** Function AVDT_CreateStream +** +** Description Create a stream endpoint. After a stream endpoint is +** created an application can initiate a connection between +** this endpoint and an endpoint on a peer device. In +** addition, a peer device can discover, get the capabilities, +** and connect to this endpoint. +** +** +** Returns AVDT_SUCCESS if successful, otherwise error. +** +*******************************************************************************/ +AVDT_API extern UINT16 AVDT_CreateStream(UINT8 *p_handle, tAVDT_CS *p_cs); + +/******************************************************************************* +** +** Function AVDT_RemoveStream +** +** Description Remove a stream endpoint. This function is called when +** the application is no longer using a stream endpoint. +** If this function is called when the endpoint is connected +** the connection is closed and then the stream endpoint +** is removed. +** +** +** Returns AVDT_SUCCESS if successful, otherwise error. +** +*******************************************************************************/ +AVDT_API extern UINT16 AVDT_RemoveStream(UINT8 handle); + +/******************************************************************************* +** +** Function AVDT_DiscoverReq +** +** Description This function initiates a connection to the AVDTP service +** on the peer device, if not already present, and discovers +** the stream endpoints on the peer device. (Please note +** that AVDTP discovery is unrelated to SDP discovery). +** This function can be called at any time regardless of whether +** there is an AVDTP connection to the peer device. +** +** When discovery is complete, an AVDT_DISCOVER_CFM_EVT +** is sent to the application via its callback function. +** The application must not call AVDT_GetCapReq() or +** AVDT_DiscoverReq() again to the same device until +** discovery is complete. +** +** The memory addressed by sep_info is allocated by the +** application. This memory is written to by AVDTP as part +** of the discovery procedure. This memory must remain +** accessible until the application receives the +** AVDT_DISCOVER_CFM_EVT. +** +** Returns AVDT_SUCCESS if successful, otherwise error. +** +*******************************************************************************/ +AVDT_API extern UINT16 AVDT_DiscoverReq(BD_ADDR bd_addr, tAVDT_SEP_INFO *p_sep_info, + UINT8 max_seps, tAVDT_CTRL_CBACK *p_cback); + + +/******************************************************************************* +** +** Function AVDT_GetCapReq +** +** Description This function initiates a connection to the AVDTP service +** on the peer device, if not already present, and gets the +** capabilities of a stream endpoint on the peer device. +** This function can be called at any time regardless of +** whether there is an AVDTP connection to the peer device. +** +** When the procedure is complete, an AVDT_GETCAP_CFM_EVT is +** sent to the application via its callback function. The +** application must not call AVDT_GetCapReq() or +** AVDT_DiscoverReq() again until the procedure is complete. +** +** The memory pointed to by p_cfg is allocated by the +** application. This memory is written to by AVDTP as part +** of the get capabilities procedure. This memory must +** remain accessible until the application receives +** the AVDT_GETCAP_CFM_EVT. +** +** Returns AVDT_SUCCESS if successful, otherwise error. +** +*******************************************************************************/ +AVDT_API extern UINT16 AVDT_GetCapReq(BD_ADDR bd_addr, UINT8 seid, tAVDT_CFG *p_cfg, + tAVDT_CTRL_CBACK *p_cback); + +/******************************************************************************* +** +** Function AVDT_GetAllCapReq +** +** Description This function initiates a connection to the AVDTP service +** on the peer device, if not already present, and gets the +** capabilities of a stream endpoint on the peer device. +** This function can be called at any time regardless of +** whether there is an AVDTP connection to the peer device. +** +** When the procedure is complete, an AVDT_GETCAP_CFM_EVT is +** sent to the application via its callback function. The +** application must not call AVDT_GetCapReq() or +** AVDT_DiscoverReq() again until the procedure is complete. +** +** The memory pointed to by p_cfg is allocated by the +** application. This memory is written to by AVDTP as part +** of the get capabilities procedure. This memory must +** remain accessible until the application receives +** the AVDT_GETCAP_CFM_EVT. +** +** Returns AVDT_SUCCESS if successful, otherwise error. +** +*******************************************************************************/ +AVDT_API extern UINT16 AVDT_GetAllCapReq(BD_ADDR bd_addr, UINT8 seid, tAVDT_CFG *p_cfg, + tAVDT_CTRL_CBACK *p_cback); + +/******************************************************************************* +** +** Function AVDT_DelayReport +** +** Description This functions sends a Delay Report to the peer device +** that is associated with a particular SEID. +** This function is called by SNK device. +** +** Returns AVDT_SUCCESS if successful, otherwise error. +** +*******************************************************************************/ +AVDT_API extern UINT16 AVDT_DelayReport(UINT8 handle, UINT8 seid, UINT16 delay); + +/******************************************************************************* +** +** Function AVDT_OpenReq +** +** Description This function initiates a connection to the AVDTP service +** on the peer device, if not already present, and connects +** to a stream endpoint on a peer device. When the connection +** is completed, an AVDT_OPEN_CFM_EVT is sent to the +** application via the control callback function for this handle. +** +** Returns AVDT_SUCCESS if successful, otherwise error. +** +*******************************************************************************/ +AVDT_API extern UINT16 AVDT_OpenReq(UINT8 handle, BD_ADDR bd_addr, UINT8 seid, + tAVDT_CFG *p_cfg); + + +/******************************************************************************* +** +** Function AVDT_ConfigRsp +** +** Description Respond to a configure request from the peer device. This +** function must be called if the application receives an +** AVDT_CONFIG_IND_EVT through its control callback. +** +** +** Returns AVDT_SUCCESS if successful, otherwise error. +** +*******************************************************************************/ +AVDT_API extern UINT16 AVDT_ConfigRsp(UINT8 handle, UINT8 label, UINT8 error_code, + UINT8 category); + +/******************************************************************************* +** +** Function AVDT_StartReq +** +** Description Start one or more stream endpoints. This initiates the +** transfer of media packets for the streams. All stream +** endpoints must previously be opened. When the streams +** are started, an AVDT_START_CFM_EVT is sent to the +** application via the control callback function for each stream. +** +** +** Returns AVDT_SUCCESS if successful, otherwise error. +** +*******************************************************************************/ +AVDT_API extern UINT16 AVDT_StartReq(UINT8 *p_handles, UINT8 num_handles); + +/******************************************************************************* +** +** Function AVDT_SuspendReq +** +** Description Suspend one or more stream endpoints. This suspends the +** transfer of media packets for the streams. All stream +** endpoints must previously be open and started. When the +** streams are suspended, an AVDT_SUSPEND_CFM_EVT is sent to +** the application via the control callback function for +** each stream. +** +** +** Returns AVDT_SUCCESS if successful, otherwise error. +** +*******************************************************************************/ +AVDT_API extern UINT16 AVDT_SuspendReq(UINT8 *p_handles, UINT8 num_handles); + +/******************************************************************************* +** +** Function AVDT_CloseReq +** +** Description Close a stream endpoint. This stops the transfer of media +** packets and closes the transport channel associated with +** this stream endpoint. When the stream is closed, an +** AVDT_CLOSE_CFM_EVT is sent to the application via the +** control callback function for this handle. +** +** +** Returns AVDT_SUCCESS if successful, otherwise error. +** +*******************************************************************************/ +AVDT_API extern UINT16 AVDT_CloseReq(UINT8 handle); + +/******************************************************************************* +** +** Function AVDT_ReconfigReq +** +** Description Reconfigure a stream endpoint. This allows the application +** to change the codec or content protection capabilities of +** a stream endpoint after it has been opened. This function +** can only be called if the stream is opened but not started +** or if the stream has been suspended. When the procedure +** is completed, an AVDT_RECONFIG_CFM_EVT is sent to the +** application via the control callback function for this handle. +** +** +** Returns AVDT_SUCCESS if successful, otherwise error. +** +*******************************************************************************/ +AVDT_API extern UINT16 AVDT_ReconfigReq(UINT8 handle, tAVDT_CFG *p_cfg); + +/******************************************************************************* +** +** Function AVDT_ReconfigRsp +** +** Description Respond to a reconfigure request from the peer device. +** This function must be called if the application receives +** an AVDT_RECONFIG_IND_EVT through its control callback. +** +** +** Returns AVDT_SUCCESS if successful, otherwise error. +** +*******************************************************************************/ +AVDT_API extern UINT16 AVDT_ReconfigRsp(UINT8 handle, UINT8 label, UINT8 error_code, + UINT8 category); + +/******************************************************************************* +** +** Function AVDT_SecurityReq +** +** Description Send a security request to the peer device. When the +** security procedure is completed, an AVDT_SECURITY_CFM_EVT +** is sent to the application via the control callback function +** for this handle. (Please note that AVDTP security procedures +** are unrelated to Bluetooth link level security.) +** +** +** Returns AVDT_SUCCESS if successful, otherwise error. +** +*******************************************************************************/ +AVDT_API extern UINT16 AVDT_SecurityReq(UINT8 handle, UINT8 *p_data, UINT16 len); + +/******************************************************************************* +** +** Function AVDT_SecurityRsp +** +** Description Respond to a security request from the peer device. +** This function must be called if the application receives +** an AVDT_SECURITY_IND_EVT through its control callback. +** (Please note that AVDTP security procedures are unrelated +** to Bluetooth link level security.) +** +** +** Returns AVDT_SUCCESS if successful, otherwise error. +** +*******************************************************************************/ +AVDT_API extern UINT16 AVDT_SecurityRsp(UINT8 handle, UINT8 label, UINT8 error_code, + UINT8 *p_data, UINT16 len); + +/******************************************************************************* +** +** Function AVDT_WriteReq +** +** Description Send a media packet to the peer device. The stream must +** be started before this function is called. Also, this +** function can only be called if the stream is a SRC. +** +** When AVDTP has sent the media packet and is ready for the +** next packet, an AVDT_WRITE_CFM_EVT is sent to the +** application via the control callback. The application must +** wait for the AVDT_WRITE_CFM_EVT before it makes the next +** call to AVDT_WriteReq(). If the applications calls +** AVDT_WriteReq() before it receives the event the packet +** will not be sent. The application may make its first call +** to AVDT_WriteReq() after it receives an AVDT_START_CFM_EVT +** or AVDT_START_IND_EVT. +** +** The application passes the packet using the BT_HDR structure. +** This structure is described in section 2.1. The offset +** field must be equal to or greater than AVDT_MEDIA_OFFSET. +** This allows enough space in the buffer for the L2CAP and +** AVDTP headers. +** +** The memory pointed to by p_pkt must be a GKI buffer +** allocated by the application. This buffer will be freed +** by the protocol stack; the application must not free +** this buffer. +** +** +** Returns AVDT_SUCCESS if successful, otherwise error. +** +*******************************************************************************/ +AVDT_API extern UINT16 AVDT_WriteReq(UINT8 handle, BT_HDR *p_pkt, UINT32 time_stamp, + UINT8 m_pt); + +/******************************************************************************* +** +** Function AVDT_ConnectReq +** +** Description This function initiates an AVDTP signaling connection +** to the peer device. When the connection is completed, an +** AVDT_CONNECT_IND_EVT is sent to the application via its +** control callback function. If the connection attempt fails +** an AVDT_DISCONNECT_IND_EVT is sent. The security mask +** parameter overrides the outgoing security mask set in +** AVDT_Register(). +** +** Returns AVDT_SUCCESS if successful, otherwise error. +** +*******************************************************************************/ +AVDT_API extern UINT16 AVDT_ConnectReq(BD_ADDR bd_addr, UINT8 sec_mask, + tAVDT_CTRL_CBACK *p_cback); + +/******************************************************************************* +** +** Function AVDT_DisconnectReq +** +** Description This function disconnect an AVDTP signaling connection +** to the peer device. When disconnected an +** AVDT_DISCONNECT_IND_EVT is sent to the application via its +** control callback function. +** +** Returns AVDT_SUCCESS if successful, otherwise error. +** +*******************************************************************************/ +AVDT_API extern UINT16 AVDT_DisconnectReq(BD_ADDR bd_addr, tAVDT_CTRL_CBACK *p_cback); + +/******************************************************************************* +** +** Function AVDT_GetL2CapChannel +** +** Description Get the L2CAP CID used by the handle. +** +** Returns CID if successful, otherwise 0. +** +*******************************************************************************/ +AVDT_API extern UINT16 AVDT_GetL2CapChannel(UINT8 handle); + +/******************************************************************************* +** +** Function AVDT_GetSignalChannel +** +** Description Get the L2CAP CID used by the signal channel of the given handle. +** +** Returns CID if successful, otherwise 0. +** +*******************************************************************************/ +AVDT_API extern UINT16 AVDT_GetSignalChannel(UINT8 handle, BD_ADDR bd_addr); + +/******************************************************************************* +** +** Function AVDT_WriteDataReq +** +** Description Send a media packet to the peer device. The stream must +** be started before this function is called. Also, this +** function can only be called if the stream is a SRC. +** +** When AVDTP has sent the media packet and is ready for the +** next packet, an AVDT_WRITE_CFM_EVT is sent to the +** application via the control callback. The application must +** wait for the AVDT_WRITE_CFM_EVT before it makes the next +** call to AVDT_WriteDataReq(). If the applications calls +** AVDT_WriteDataReq() before it receives the event the packet +** will not be sent. The application may make its first call +** to AVDT_WriteDataReq() after it receives an +** AVDT_START_CFM_EVT or AVDT_START_IND_EVT. +** +** Returns AVDT_SUCCESS if successful, otherwise error. +** +*******************************************************************************/ +AVDT_API extern UINT16 AVDT_WriteDataReq(UINT8 handle, UINT8 *p_data, UINT32 data_len, + UINT32 time_stamp, UINT8 m_pt, UINT8 marker); + +/******************************************************************************* +** +** Function AVDT_SetMediaBuf +** +** Description Assigns buffer for media packets or forbids using of assigned +** buffer if argument p_buf is NULL. This function can only +** be called if the stream is a SNK. +** +** AVDTP uses this buffer to reassemble fragmented media packets. +** When AVDTP receives a complete media packet, it calls the +** p_media_cback assigned by AVDT_CreateStream(). +** This function can be called during callback to assign a +** different buffer for next media packet or can leave the current +** buffer for next packet. +** +** Returns AVDT_SUCCESS if successful, otherwise error. +** +*******************************************************************************/ +AVDT_API extern UINT16 AVDT_SetMediaBuf(UINT8 handle, UINT8 *p_buf, UINT32 buf_len); + +/******************************************************************************* +** +** Function AVDT_SendReport +** +** Description +** +** +** +** Returns +** +*******************************************************************************/ +AVDT_API extern UINT16 AVDT_SendReport(UINT8 handle, AVDT_REPORT_TYPE type, + tAVDT_REPORT_DATA *p_data); + +/****************************************************************************** +** +** Function AVDT_SetTraceLevel +** +** Description Sets the trace level for AVDT. If 0xff is passed, the +** current trace level is returned. +** +** Input Parameters: +** new_level: The level to set the AVDT tracing to: +** 0xff-returns the current setting. +** 0-turns off tracing. +** >= 1-Errors. +** >= 2-Warnings. +** >= 3-APIs. +** >= 4-Events. +** >= 5-Debug. +** +** Returns The new trace level or current trace level if +** the input parameter is 0xff. +** +******************************************************************************/ +AVDT_API extern UINT8 AVDT_SetTraceLevel (UINT8 new_level); + +#ifdef __cplusplus +} +#endif + + +#endif /* AVDT_API_H */ |