/****************************************************************************** * * 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" /***************************************************************************** ** 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. ** ******************************************************************************/ A2D_API 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. ** ******************************************************************************/ A2D_API 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. ** ******************************************************************************/ A2D_API 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 ******************************************************************************/ A2D_API 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 ** *******************************************************************************/ A2D_API extern void A2D_Init(void); #endif /* A2D_API_H */