| /****************************************************************************** |
| * |
| * Copyright (C) 2006-2012 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. |
| * |
| ******************************************************************************/ |
| |
| /****************************************************************************** |
| * |
| * nterface to AVRCP Application Programming Interface |
| * |
| ******************************************************************************/ |
| #ifndef AVRC_API_H |
| #define AVRC_API_H |
| #include "bt_target.h" |
| #include "avct_api.h" |
| #include "sdp_api.h" |
| #include "avrc_defs.h" |
| |
| /***************************************************************************** |
| ** constants |
| *****************************************************************************/ |
| |
| /* API function return value result codes. */ |
| #define AVRC_SUCCESS AVCT_SUCCESS /* 0 Function successful */ |
| #define AVRC_NO_RESOURCES AVCT_NO_RESOURCES /* 1 Not enough resources */ |
| #define AVRC_BAD_HANDLE AVCT_BAD_HANDLE /* 2 Bad handle */ |
| #define AVRC_PID_IN_USE AVCT_PID_IN_USE /* 3 PID already in use */ |
| #define AVRC_NOT_OPEN AVCT_NOT_OPEN /* 4 Connection not open */ |
| #define AVRC_MSG_TOO_BIG 5 /* 5 the message length exceed the MTU of the browsing channel */ |
| #define AVRC_FAIL 0x10 /* 0x10 generic failure */ |
| #define AVRC_BAD_PARAM 0x11 /* 0x11 bad parameter */ |
| |
| /* Control role - same as AVCT_TARGET/AVCT_CONTROL */ |
| #define AVRC_CT_TARGET 1 /* target */ |
| #define AVRC_CT_CONTROL 2 /* controller */ |
| #define AVRC_CT_PASSIVE 4 /* If conflict, allow the other side to succeed */ |
| |
| /* Connection role */ |
| #define AVRC_CONN_INT AVCT_INT /* initiator */ |
| #define AVRC_CONN_ACP AVCT_ACP /* Acceptor */ |
| |
| |
| /* AVRC CTRL events */ |
| /* AVRC_OPEN_IND_EVT event is sent when the connection is successfully opened. |
| * This eventis sent in response to an AVRC_Open(). */ |
| #define AVRC_OPEN_IND_EVT 0 |
| |
| /* AVRC_CLOSE_IND_EVT event is sent when a connection is closed. |
| * This event can result from a call to AVRC_Close() or when the peer closes |
| * the connection. It is also sent when a connection attempted through |
| * AVRC_Open() fails. */ |
| #define AVRC_CLOSE_IND_EVT 1 |
| |
| /* AVRC_CONG_IND_EVT event indicates that AVCTP is congested and cannot send |
| * any more messages. */ |
| #define AVRC_CONG_IND_EVT 2 |
| |
| /* AVRC_UNCONG_IND_EVT event indicates that AVCTP is uncongested and ready to |
| * send messages. */ |
| #define AVRC_UNCONG_IND_EVT 3 |
| |
| /* AVRC_BROWSE_OPEN_IND_EVT event is sent when the browse channel is successfully opened. |
| * This eventis sent in response to an AVRC_Open() or AVRC_OpenBrowse() . */ |
| #define AVRC_BROWSE_OPEN_IND_EVT 4 |
| |
| /* AVRC_BROWSE_CLOSE_IND_EVT event is sent when a browse channel is closed. |
| * This event can result from a call to AVRC_Close(), AVRC_CloseBrowse() or when the peer closes |
| * the connection. It is also sent when a connection attempted through |
| * AVRC_OpenBrowse() fails. */ |
| #define AVRC_BROWSE_CLOSE_IND_EVT 5 |
| |
| /* AVRC_BROWSE_CONG_IND_EVT event indicates that AVCTP browse channel is congested and cannot send |
| * any more messages. */ |
| #define AVRC_BROWSE_CONG_IND_EVT 6 |
| |
| /* AVRC_BROWSE_UNCONG_IND_EVT event indicates that AVCTP browse channel is uncongested and ready to |
| * send messages. */ |
| #define AVRC_BROWSE_UNCONG_IND_EVT 7 |
| |
| /* AVRC_CMD_TIMEOUT_EVT event indicates timeout waiting for AVRC command response from the peer */ |
| #define AVRC_CMD_TIMEOUT_EVT 8 |
| |
| /* Supported categories */ |
| #define AVRC_SUPF_CT_CAT1 0x0001 /* Category 1 */ |
| #define AVRC_SUPF_CT_CAT2 0x0002 /* Category 2 */ |
| #define AVRC_SUPF_CT_CAT3 0x0004 /* Category 3 */ |
| #define AVRC_SUPF_CT_CAT4 0x0008 /* Category 4 */ |
| #define AVRC_SUPF_CT_BROWSE 0x0040 /* Browsing */ |
| |
| #define AVRC_SUPF_TG_CAT1 0x0001 /* Category 1 */ |
| #define AVRC_SUPF_TG_CAT2 0x0002 /* Category 2 */ |
| #define AVRC_SUPF_TG_CAT3 0x0004 /* Category 3 */ |
| #define AVRC_SUPF_TG_CAT4 0x0008 /* Category 4 */ |
| #define AVRC_SUPF_TG_APP_SETTINGS 0x0010 /* Player Application Settings */ |
| #define AVRC_SUPF_TG_GROUP_NAVI 0x0020 /* Group Navigation */ |
| #define AVRC_SUPF_TG_BROWSE 0x0040 /* Browsing */ |
| #define AVRC_SUPF_TG_MULTI_PLAYER 0x0080 /* Muliple Media Player */ |
| |
| #define AVRC_META_SUCCESS AVRC_SUCCESS |
| #define AVRC_META_FAIL AVRC_FAIL |
| #define AVRC_METADATA_CMD 0x0000 |
| #define AVRC_METADATA_RESP 0x0001 |
| |
| |
| |
| /***************************************************************************** |
| ** data type definitions |
| *****************************************************************************/ |
| |
| /* This data type is used in AVRC_FindService() to initialize the SDP database |
| * to hold the result service search. */ |
| typedef struct |
| { |
| UINT32 db_len; /* Length, in bytes, of the discovery database */ |
| tSDP_DISCOVERY_DB *p_db; /* Pointer to the discovery database */ |
| UINT16 num_attr;/* The number of attributes in p_attrs */ |
| UINT16 *p_attrs; /* The attributes filter. If NULL, AVRCP API sets the attribute filter |
| * to be ATTR_ID_SERVICE_CLASS_ID_LIST, ATTR_ID_BT_PROFILE_DESC_LIST, |
| * ATTR_ID_SUPPORTED_FEATURES, ATTR_ID_SERVICE_NAME and ATTR_ID_PROVIDER_NAME. |
| * If not NULL, the input is taken as the filter. */ |
| } tAVRC_SDP_DB_PARAMS; |
| |
| /* This callback function returns service discovery information to the |
| * application after the AVRC_FindService() API function is called. The |
| * implementation of this callback function must copy the p_service_name |
| * and p_provider_name parameters passed to it as they are not guaranteed |
| * to remain after the callback function exits. */ |
| typedef void (tAVRC_FIND_CBACK) (UINT16 status); |
| |
| |
| /* This is the control callback function. This function passes events |
| * listed in Table 20 to the application. */ |
| typedef void (tAVRC_CTRL_CBACK) (UINT8 handle, UINT8 event, UINT16 result, |
| BD_ADDR peer_addr); |
| |
| |
| /* This is the message callback function. It is executed when AVCTP has |
| * a message packet ready for the application. The implementation of this |
| * callback function must copy the tAVRC_MSG structure passed to it as it |
| * is not guaranteed to remain after the callback function exits. */ |
| typedef void (tAVRC_MSG_CBACK) (UINT8 handle, UINT8 label, UINT8 opcode, |
| tAVRC_MSG *p_msg); |
| |
| typedef struct |
| { |
| tAVRC_CTRL_CBACK *p_ctrl_cback; /* pointer to application control callback */ |
| tAVRC_MSG_CBACK *p_msg_cback; /* pointer to application message callback */ |
| UINT32 company_id; /* the company ID */ |
| UINT8 conn; /* Connection role (Initiator/acceptor) */ |
| UINT8 control; /* Control role (Control/Target) */ |
| } tAVRC_CONN_CB; |
| |
| |
| |
| /***************************************************************************** |
| ** external function declarations |
| *****************************************************************************/ |
| #ifdef __cplusplus |
| extern "C" |
| { |
| #endif |
| |
| /****************************************************************************** |
| ** |
| ** Function AVRC_AddRecord |
| ** |
| ** Description This function is called to build an AVRCP SDP record. |
| ** Prior to calling this function the application must |
| ** call SDP_CreateRecord() to create an SDP record. |
| ** |
| ** Input Parameters: |
| ** service_uuid: Indicates TG(UUID_SERVCLASS_AV_REM_CTRL_TARGET) |
| ** or CT(UUID_SERVCLASS_AV_REMOTE_CONTROL) |
| ** |
| ** p_service_name: Pointer to a null-terminated character |
| ** string containing the service name. |
| ** If service name is not used set this to NULL. |
| ** |
| ** p_provider_name: Pointer to a null-terminated character |
| ** string containing the provider name. |
| ** If provider name is not used set this to NULL. |
| ** |
| ** categories: Supported categories. |
| ** |
| ** sdp_handle: SDP handle returned by SDP_CreateRecord(). |
| ** |
| ** Output Parameters: |
| ** None. |
| ** |
| ** Returns AVRC_SUCCESS if successful. |
| ** AVRC_NO_RESOURCES if not enough resources to build the SDP record. |
| ** |
| ******************************************************************************/ |
| extern UINT16 AVRC_AddRecord(UINT16 service_uuid, char *p_service_name, |
| char *p_provider_name, UINT16 categories, UINT32 sdp_handle); |
| |
| /****************************************************************************** |
| ** |
| ** Function AVRC_FindService |
| ** |
| ** Description This function is called by the application to perform service |
| ** discovery and retrieve AVRCP SDP record information from a |
| ** peer device. Information is returned for the first service |
| ** record found on the server that matches the service UUID. |
| ** The callback function will be executed when service discovery |
| ** is complete. There can only be one outstanding call to |
| ** AVRC_FindService() at a time; the application must wait for |
| ** the callback before it makes another call to the function. |
| ** The application is responsible for allocating memory for the |
| ** discovery database. It is recommended that the size of the |
| ** discovery database be at least 300 bytes. The application |
| ** can deallocate the memory after the callback function has |
| ** executed. |
| ** |
| ** Input Parameters: |
| ** service_uuid: Indicates TG(UUID_SERVCLASS_AV_REM_CTRL_TARGET) |
| ** or CT(UUID_SERVCLASS_AV_REMOTE_CONTROL) |
| ** |
| ** bd_addr: BD address of the peer device. |
| ** |
| ** p_db: SDP discovery database parameters. |
| ** |
| ** p_cback: Pointer to the callback function. |
| ** |
| ** Output Parameters: |
| ** None. |
| ** |
| ** Returns AVRC_SUCCESS if successful. |
| ** AVRC_BAD_PARAMS if discovery database parameters are invalid. |
| ** AVRC_NO_RESOURCES if there are not enough resources to |
| ** perform the service search. |
| ** |
| ******************************************************************************/ |
| extern UINT16 AVRC_FindService(UINT16 service_uuid, BD_ADDR bd_addr, |
| tAVRC_SDP_DB_PARAMS *p_db, tAVRC_FIND_CBACK *p_cback); |
| |
| /****************************************************************************** |
| ** |
| ** Function AVRC_Open |
| ** |
| ** Description This function is called to open a connection to AVCTP. |
| ** The connection can be either an initiator or acceptor, as |
| ** determined by the p_ccb->stream parameter. |
| ** The connection can be a target, a controller or for both role, |
| ** as determined by the p_ccb->control parameter. |
| ** By definition, a target connection is an acceptor connection |
| ** that waits for an incoming AVCTP connection from the peer. |
| ** The connection remains available to the application until |
| ** the application closes it by calling AVRC_Close(). The |
| ** application does not need to reopen the connection after an |
| ** AVRC_CLOSE_IND_EVT is received. |
| ** |
| ** Input Parameters: |
| ** p_ccb->company_id: Company Identifier. |
| ** |
| ** p_ccb->p_ctrl_cback: Pointer to control callback function. |
| ** |
| ** p_ccb->p_msg_cback: Pointer to message callback function. |
| ** |
| ** p_ccb->conn: AVCTP connection role. This is set to |
| ** AVCTP_INT for initiator connections and AVCTP_ACP |
| ** for acceptor connections. |
| ** |
| ** p_ccb->control: Control role. This is set to |
| ** AVRC_CT_TARGET for target connections, AVRC_CT_CONTROL |
| ** for control connections or (AVRC_CT_TARGET|AVRC_CT_CONTROL) |
| ** for connections that support both roles. |
| ** |
| ** peer_addr: BD address of peer device. This value is |
| ** only used for initiator connections; for acceptor |
| ** connections it can be set to NULL. |
| ** |
| ** Output Parameters: |
| ** p_handle: Pointer to handle. This parameter is only |
| ** valid if AVRC_SUCCESS is returned. |
| ** |
| ** Returns AVRC_SUCCESS if successful. |
| ** AVRC_NO_RESOURCES if there are not enough resources to open |
| ** the connection. |
| ** |
| ******************************************************************************/ |
| extern UINT16 AVRC_Open(UINT8 *p_handle, tAVRC_CONN_CB *p_ccb, |
| BD_ADDR_PTR peer_addr); |
| |
| /****************************************************************************** |
| ** |
| ** Function AVRC_Close |
| ** |
| ** Description Close a connection opened with AVRC_Open(). |
| ** This function is called when the |
| ** application is no longer using a connection. |
| ** |
| ** Input Parameters: |
| ** handle: Handle of this connection. |
| ** |
| ** Output Parameters: |
| ** None. |
| ** |
| ** Returns AVRC_SUCCESS if successful. |
| ** AVRC_BAD_HANDLE if handle is invalid. |
| ** |
| ******************************************************************************/ |
| extern UINT16 AVRC_Close(UINT8 handle); |
| |
| /****************************************************************************** |
| ** |
| ** Function AVRC_OpenBrowse |
| ** |
| ** Description This function is called to open a browsing connection to AVCTP. |
| ** The connection can be either an initiator or acceptor, as |
| ** determined by the conn_role. |
| ** The handle is returned by a previous call to AVRC_Open. |
| ** |
| ** Returns AVRC_SUCCESS if successful. |
| ** AVRC_NO_RESOURCES if there are not enough resources to open |
| ** the connection. |
| ** |
| ******************************************************************************/ |
| extern UINT16 AVRC_OpenBrowse(UINT8 handle, UINT8 conn_role); |
| |
| /****************************************************************************** |
| ** |
| ** Function AVRC_CloseBrowse |
| ** |
| ** Description Close a connection opened with AVRC_OpenBrowse(). |
| ** This function is called when the |
| ** application is no longer using a connection. |
| ** |
| ** Returns AVRC_SUCCESS if successful. |
| ** AVRC_BAD_HANDLE if handle is invalid. |
| ** |
| ******************************************************************************/ |
| extern UINT16 AVRC_CloseBrowse(UINT8 handle); |
| |
| /****************************************************************************** |
| ** |
| ** Function AVRC_MsgReq |
| ** |
| ** Description This function is used to send the AVRCP byte stream in p_pkt |
| ** down to AVCTP. |
| ** |
| ** It is expected that p_pkt->offset is at least AVCT_MSG_OFFSET |
| ** p_pkt->layer_specific is AVCT_DATA_CTRL or AVCT_DATA_BROWSE |
| ** p_pkt->event is AVRC_OP_VENDOR, AVRC_OP_PASS_THRU or AVRC_OP_BROWSING |
| ** The above BT_HDR settings are set by the AVRC_Bld* functions. |
| ** |
| ** Returns AVRC_SUCCESS if successful. |
| ** AVRC_BAD_HANDLE if handle is invalid. |
| ** |
| ******************************************************************************/ |
| extern UINT16 AVRC_MsgReq (UINT8 handle, UINT8 label, UINT8 ctype, BT_HDR *p_pkt); |
| |
| /****************************************************************************** |
| ** |
| ** Function AVRC_UnitCmd |
| ** |
| ** Description Send a UNIT INFO command to the peer device. This |
| ** function can only be called for controller role connections. |
| ** Any response message from the peer is passed back through |
| ** the tAVRC_MSG_CBACK callback function. |
| ** |
| ** Input Parameters: |
| ** handle: Handle of this connection. |
| ** |
| ** label: Transaction label. |
| ** |
| ** Output Parameters: |
| ** None. |
| ** |
| ** Returns AVRC_SUCCESS if successful. |
| ** AVRC_BAD_HANDLE if handle is invalid. |
| ** |
| ******************************************************************************/ |
| extern UINT16 AVRC_UnitCmd(UINT8 handle, UINT8 label); |
| |
| /****************************************************************************** |
| ** |
| ** Function AVRC_SubCmd |
| ** |
| ** Description Send a SUBUNIT INFO command to the peer device. This |
| ** function can only be called for controller role connections. |
| ** Any response message from the peer is passed back through |
| ** the tAVRC_MSG_CBACK callback function. |
| ** |
| ** Input Parameters: |
| ** handle: Handle of this connection. |
| ** |
| ** label: Transaction label. |
| ** |
| ** page: Specifies which part of the subunit type table |
| ** is requested. For AVRCP it is typically zero. |
| ** Value range is 0-7. |
| ** |
| ** Output Parameters: |
| ** None. |
| ** |
| ** Returns AVRC_SUCCESS if successful. |
| ** AVRC_BAD_HANDLE if handle is invalid. |
| ** |
| ******************************************************************************/ |
| extern UINT16 AVRC_SubCmd(UINT8 handle, UINT8 label, UINT8 page); |
| |
| |
| /****************************************************************************** |
| ** |
| ** Function AVRC_PassCmd |
| ** |
| ** Description Send a PASS THROUGH command to the peer device. This |
| ** function can only be called for controller role connections. |
| ** Any response message from the peer is passed back through |
| ** the tAVRC_MSG_CBACK callback function. |
| ** |
| ** Input Parameters: |
| ** handle: Handle of this connection. |
| ** |
| ** label: Transaction label. |
| ** |
| ** p_msg: Pointer to PASS THROUGH message structure. |
| ** |
| ** Output Parameters: |
| ** None. |
| ** |
| ** Returns AVRC_SUCCESS if successful. |
| ** AVRC_BAD_HANDLE if handle is invalid. |
| ** |
| ******************************************************************************/ |
| extern UINT16 AVRC_PassCmd(UINT8 handle, UINT8 label, tAVRC_MSG_PASS *p_msg); |
| |
| /****************************************************************************** |
| ** |
| ** Function AVRC_PassRsp |
| ** |
| ** Description Send a PASS THROUGH response to the peer device. This |
| ** function can only be called for target role connections. |
| ** This function must be called when a PASS THROUGH command |
| ** message is received from the peer through the |
| ** tAVRC_MSG_CBACK callback function. |
| ** |
| ** Input Parameters: |
| ** handle: Handle of this connection. |
| ** |
| ** label: Transaction label. Must be the same value as |
| ** passed with the command message in the callback function. |
| ** |
| ** p_msg: Pointer to PASS THROUGH message structure. |
| ** |
| ** Output Parameters: |
| ** None. |
| ** |
| ** Returns AVRC_SUCCESS if successful. |
| ** AVRC_BAD_HANDLE if handle is invalid. |
| ** |
| ******************************************************************************/ |
| extern UINT16 AVRC_PassRsp(UINT8 handle, UINT8 label, tAVRC_MSG_PASS *p_msg); |
| |
| |
| /****************************************************************************** |
| ** |
| ** Function AVRC_VendorCmd |
| ** |
| ** Description Send a VENDOR DEPENDENT command to the peer device. This |
| ** function can only be called for controller role connections. |
| ** Any response message from the peer is passed back through |
| ** the tAVRC_MSG_CBACK callback function. |
| ** |
| ** Input Parameters: |
| ** handle: Handle of this connection. |
| ** |
| ** label: Transaction label. |
| ** |
| ** p_msg: Pointer to VENDOR DEPENDENT message structure. |
| ** |
| ** Output Parameters: |
| ** None. |
| ** |
| ** Returns AVRC_SUCCESS if successful. |
| ** AVRC_BAD_HANDLE if handle is invalid. |
| ** |
| ******************************************************************************/ |
| extern UINT16 AVRC_VendorCmd(UINT8 handle, UINT8 label, tAVRC_MSG_VENDOR *p_msg); |
| |
| |
| /****************************************************************************** |
| ** |
| ** Function AVRC_VendorRsp |
| ** |
| ** Description Send a VENDOR DEPENDENT response to the peer device. This |
| ** function can only be called for target role connections. |
| ** This function must be called when a VENDOR DEPENDENT |
| ** command message is received from the peer through the |
| ** tAVRC_MSG_CBACK callback function. |
| ** |
| ** Input Parameters: |
| ** handle: Handle of this connection. |
| ** |
| ** label: Transaction label. Must be the same value as |
| ** passed with the command message in the callback function. |
| ** |
| ** p_msg: Pointer to VENDOR DEPENDENT message structure. |
| ** |
| ** Output Parameters: |
| ** None. |
| ** |
| ** Returns AVRC_SUCCESS if successful. |
| ** AVRC_BAD_HANDLE if handle is invalid. |
| ** |
| ******************************************************************************/ |
| extern UINT16 AVRC_VendorRsp(UINT8 handle, UINT8 label, tAVRC_MSG_VENDOR *p_msg); |
| |
| |
| /****************************************************************************** |
| ** |
| ** Function AVRC_SetTraceLevel |
| ** |
| ** Description Sets the trace level for AVRC. If 0xff is passed, the |
| ** current trace level is returned. |
| ** |
| ** Input Parameters: |
| ** new_level: The level to set the AVRC 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. |
| ** |
| ******************************************************************************/ |
| extern UINT8 AVRC_SetTraceLevel (UINT8 new_level); |
| |
| /******************************************************************************* |
| ** |
| ** Function AVRC_Init |
| ** |
| ** Description This function is called at stack startup to allocate the |
| ** control block (if using dynamic memory), and initializes the |
| ** control block and tracing level. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| extern void AVRC_Init(void); |
| |
| /******************************************************************************* |
| ** |
| ** Function AVRC_ParsCommand |
| ** |
| ** Description This function is used to parse the received command. |
| ** |
| ** Returns AVRC_STS_NO_ERROR, if the message in p_data is parsed successfully. |
| ** Otherwise, the error code defined by AVRCP 1.4 |
| ** |
| *******************************************************************************/ |
| extern tAVRC_STS AVRC_ParsCommand (tAVRC_MSG *p_msg, tAVRC_COMMAND *p_result, |
| UINT8 *p_buf, UINT16 buf_len); |
| |
| /******************************************************************************* |
| ** |
| ** Function AVRC_ParsResponse |
| ** |
| ** Description This function is used to parse the received response. |
| ** |
| ** Returns AVRC_STS_NO_ERROR, if the message in p_data is parsed successfully. |
| ** Otherwise, the error code defined by AVRCP 1.4 |
| ** |
| *******************************************************************************/ |
| extern tAVRC_STS AVRC_ParsResponse (tAVRC_MSG *p_msg, tAVRC_RESPONSE *p_result, |
| UINT8 *p_buf, UINT16 buf_len); |
| |
| /******************************************************************************* |
| ** |
| ** Function AVRC_BldCommand |
| ** |
| ** Description This function builds the given AVRCP command to the given |
| ** GKI buffer |
| ** |
| ** Returns AVRC_STS_NO_ERROR, if the command is built successfully |
| ** Otherwise, the error code. |
| ** |
| *******************************************************************************/ |
| extern tAVRC_STS AVRC_BldCommand( tAVRC_COMMAND *p_cmd, BT_HDR **pp_pkt); |
| |
| /******************************************************************************* |
| ** |
| ** Function AVRC_BldResponse |
| ** |
| ** Description This function builds the given AVRCP response to the given |
| ** GKI buffer |
| ** |
| ** Returns AVRC_STS_NO_ERROR, if the response is built successfully |
| ** Otherwise, the error code. |
| ** |
| *******************************************************************************/ |
| extern tAVRC_STS AVRC_BldResponse( UINT8 handle, tAVRC_RESPONSE *p_rsp, BT_HDR **pp_pkt); |
| |
| /************************************************************************** |
| ** |
| ** Function AVRC_IsValidAvcType |
| ** |
| ** Description Check if correct AVC type is specified |
| ** |
| ** Returns returns TRUE if it is valid |
| ** |
| ** |
| *******************************************************************************/ |
| extern BOOLEAN AVRC_IsValidAvcType(UINT8 pdu_id, UINT8 avc_type); |
| |
| /******************************************************************************* |
| ** |
| ** Function AVRC_IsValidPlayerAttr |
| ** |
| ** Description Check if the given attrib value is a valid one |
| ** |
| ** |
| ** Returns returns TRUE if it is valid |
| ** |
| *******************************************************************************/ |
| extern BOOLEAN AVRC_IsValidPlayerAttr(UINT8 attr); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* AVRC_API_H */ |
