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a2d_api.h
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/******************************************************************************
*
* Copyright (C) 2000-2012 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 A2DP Application Programming Interface
*
******************************************************************************/
#ifndef A2D_API_H
#define A2D_API_H
#include "sdp_api.h"
#if (A2D_INCLUDED == TRUE)
/*****************************************************************************
** constants
*****************************************************************************/
/* Profile supported features */
#define A2D_SUPF_PLAYER 0x0001
#define A2D_SUPF_MIC 0x0002
#define A2D_SUPF_TUNER 0x0004
#define A2D_SUPF_MIXER 0x0008
#define A2D_SUPF_HEADPHONE 0x0001
#define A2D_SUPF_SPEAKER 0x0002
#define A2D_SUPF_RECORDER 0x0004
#define A2D_SUPF_AMP 0x0008
/* AV Media Types */
#define A2D_MEDIA_TYPE_AUDIO 0x00 /* audio media type + RFA */
#define A2D_MEDIA_TYPE_VIDEO 0x10 /* video media type + RFA */
#define A2D_MEDIA_TYPE_MULTI 0x20 /* multimedia media type + RFA */
/* AV Media Codec Type (Audio Codec ID) */
#define A2D_MEDIA_CT_SBC 0x00 /* SBC media codec type */
#define A2D_MEDIA_CT_M12 0x01 /* MPEG-1, 2 Audio media codec type */
#define A2D_MEDIA_CT_M24 0x02 /* MPEG-2, 4 AAC media codec type */
#define A2D_MEDIA_CT_ATRAC 0x04 /* ATRAC family media codec type */
#define A2D_SUCCESS 0 /* Success */
#define A2D_FAIL 0x0A /* Failed */
#define A2D_BUSY 0x0B /* A2D_FindService is already in progress */
#define A2D_INVALID_PARAMS 0x0C /* bad parameters */
#define A2D_WRONG_CODEC 0x0D /* wrong codec info */
#define A2D_BAD_CODEC_TYPE 0xC1 /* Media Codec Type is not valid */
#define A2D_NS_CODEC_TYPE 0xC2 /* Media Codec Type is not supported */
#define A2D_BAD_SAMP_FREQ 0xC3 /* Sampling Frequency is not valid or multiple values have been selected */
#define A2D_NS_SAMP_FREQ 0xC4 /* Sampling Frequency is not supported */
#define A2D_BAD_CH_MODE 0xC5 /* Channel Mode is not valid or multiple values have been selected */
#define A2D_NS_CH_MODE 0xC6 /* Channel Mode is not supported */
#define A2D_BAD_SUBBANDS 0xC7 /* None or multiple values have been selected for Number of Subbands */
#define A2D_NS_SUBBANDS 0xC8 /* Number of Subbands is not supported */
#define A2D_BAD_ALLOC_MTHD 0xC9 /* None or multiple values have been selected for Allocation Method */
#define A2D_NS_ALLOC_MTHD 0xCA /* Allocation Method is not supported */
#define A2D_BAD_MIN_BITPOOL 0xCB /* Minimum Bitpool Value is not valid */
#define A2D_NS_MIN_BITPOOL 0xCC /* Minimum Bitpool Value is not supported */
#define A2D_BAD_MAX_BITPOOL 0xCD /* Maximum Bitpool Value is not valid */
#define A2D_NS_MAX_BITPOOL 0xCE /* Maximum Bitpool Value is not supported */
#define A2D_BAD_LAYER 0xCF /* None or multiple values have been selected for Layer */
#define A2D_NS_LAYER 0xD0 /* Layer is not supported */
#define A2D_NS_CRC 0xD1 /* CRC is not supported */
#define A2D_NS_MPF 0xD2 /* MPF-2 is not supported */
#define A2D_NS_VBR 0xD3 /* VBR is not supported */
#define A2D_BAD_BIT_RATE 0xD4 /* None or multiple values have been selected for Bit Rate */
#define A2D_NS_BIT_RATE 0xD5 /* Bit Rate is not supported */
#define A2D_BAD_OBJ_TYPE 0xD6 /* Either 1) Object type is not valid (b3-b0) or 2) None or multiple values have been selected for Object Type */
#define A2D_NS_OBJ_TYPE 0xD7 /* Object type is not supported */
#define A2D_BAD_CHANNEL 0xD8 /* None or multiple values have been selected for Channels */
#define A2D_NS_CHANNEL 0xD9 /* Channels is not supported */
#define A2D_BAD_BLOCK_LEN 0xDD /* None or multiple values have been selected for Block Length */
#define A2D_BAD_CP_TYPE 0xE0 /* The requested CP Type is not supported. */
#define A2D_BAD_CP_FORMAT 0xE1 /* The format of Content Protection Service Capability/Content Protection Scheme Dependent Data is not correct. */
typedef UINT8 tA2D_STATUS;
/* the return values from A2D_BitsSet() */
#define A2D_SET_ONE_BIT 1 /* one and only one bit is set */
#define A2D_SET_ZERO_BIT 0 /* all bits clear */
#define A2D_SET_MULTL_BIT 2 /* multiple bits are set */
/*****************************************************************************
** type definitions
*****************************************************************************/
/* This data type is used in A2D_FindService() to initialize the SDP database
* to hold the result service search. */
typedef struct {
UINT32 db_len; /* Length, in bytes, of the discovery database */
UINT16 num_attr;/* The number of attributes in p_attrs */
tSDP_DISCOVERY_DB *p_db; /* Pointer to the discovery database */
UINT16 *p_attrs; /* The attributes filter. If NULL, A2DP 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. */
} tA2D_SDP_DB_PARAMS;
/* This data type is used in tA2D_FIND_CBACK to report the result of the SDP discovery process. */
typedef struct {
UINT16 service_len; /* Length, in bytes, of the service name */
UINT16 provider_len; /* Length, in bytes, of the provider name */
char *p_service_name; /* Pointer the service name. This character string may not be null terminated.
* Use the service_len parameter to safely copy this string */
char *p_provider_name;/* Pointer the provider name. This character string may not be null terminated.
* Use the provider_len parameter to safely copy this string */
UINT16 features; /* Profile supported features */
UINT16 avdt_version; /* AVDTP protocol version */
} tA2D_Service;
/* This is the callback to notify the result of the SDP discovery process. */
typedef void (tA2D_FIND_CBACK)(BOOLEAN found, tA2D_Service *p_service);
/*****************************************************************************
** external function declarations
*****************************************************************************/
#ifdef __cplusplus
extern "C"
{
#endif
/******************************************************************************
**
** Function A2D_AddRecord
**
** Description This function is called by a server application to add
** SRC or SNK information to an SDP record. Prior to
** calling this function the application must call
** SDP_CreateRecord() to create an SDP record.
**
** Input Parameters:
** service_uuid: Indicates SRC or SNK.
**
** p_service_name: Pointer to a null-terminated character
** string containing the service name.
**
** p_provider_name: Pointer to a null-terminated character
** string containing the provider name.
**
** features: Profile supported features.
**
** sdp_handle: SDP handle returned by SDP_CreateRecord().
**
** Output Parameters:
** None.
**
** Returns A2D_SUCCESS if function execution succeeded,
** A2D_INVALID_PARAMS if bad parameters are given.
** A2D_FAIL if function execution failed.
**
******************************************************************************/
extern tA2D_STATUS A2D_AddRecord(UINT16 service_uuid, char *p_service_name, char *p_provider_name,
UINT16 features, UINT32 sdp_handle);
/******************************************************************************
**
** Function A2D_FindService
**
** Description This function is called by a client application to
** perform service discovery and retrieve SRC or SNK SDP
** record information from a server. 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
** A2D_FindService() at a time; the application must wait
** for the callback before it makes another call to
** the function.
**
** Input Parameters:
** service_uuid: Indicates SRC or SNK.
**
** bd_addr: BD address of the peer device.
**
** p_db: Pointer to the information to initialize
** the discovery database.
**
** p_cback: Pointer to the A2D_FindService()
** callback function.
**
** Output Parameters:
** None.
**
** Returns A2D_SUCCESS if function execution succeeded,
** A2D_INVALID_PARAMS if bad parameters are given.
** A2D_BUSY if discovery is already in progress.
** A2D_FAIL if function execution failed.
**
******************************************************************************/
extern tA2D_STATUS A2D_FindService(UINT16 service_uuid, BD_ADDR bd_addr,
tA2D_SDP_DB_PARAMS *p_db, tA2D_FIND_CBACK *p_cback);
/******************************************************************************
**
** Function A2D_SetTraceLevel
**
** Description Sets the trace level for A2D. If 0xff is passed, the
** current trace level is returned.
**
** Input Parameters:
** new_level: The level to set the A2D 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 A2D_SetTraceLevel (UINT8 new_level);
/******************************************************************************
** Function A2D_BitsSet
**
** Description Check the given num for the number of bits set
** Returns A2D_SET_ONE_BIT, if one and only one bit is set
** A2D_SET_ZERO_BIT, if all bits clear
** A2D_SET_MULTL_BIT, if multiple bits are set
******************************************************************************/
extern UINT8 A2D_BitsSet(UINT8 num);
#ifdef __cplusplus
}
#endif
/*******************************************************************************
**
** Function A2D_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 A2D_Init(void);
#endif ///A2D_INCLUDED
#endif /* A2D_API_H */