1/****************************************************************************** 2 * 3 * Copyright (C) 2000-2012 Broadcom Corporation 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ******************************************************************************/ 18 19/****************************************************************************** 20 * 21 * nterface to A2DP Application Programming Interface 22 * 23 ******************************************************************************/ 24#ifndef A2D_API_H 25#define A2D_API_H 26#include "sdp_api.h" 27 28/***************************************************************************** 29** constants 30*****************************************************************************/ 31 32/* Profile supported features */ 33#define A2D_SUPF_PLAYER 0x0001 34#define A2D_SUPF_MIC 0x0002 35#define A2D_SUPF_TUNER 0x0004 36#define A2D_SUPF_MIXER 0x0008 37 38#define A2D_SUPF_HEADPHONE 0x0001 39#define A2D_SUPF_SPEAKER 0x0002 40#define A2D_SUPF_RECORDER 0x0004 41#define A2D_SUPF_AMP 0x0008 42 43/* AV Media Types */ 44#define A2D_MEDIA_TYPE_AUDIO 0x00 /* audio media type + RFA */ 45#define A2D_MEDIA_TYPE_VIDEO 0x10 /* video media type + RFA */ 46#define A2D_MEDIA_TYPE_MULTI 0x20 /* multimedia media type + RFA */ 47 48/* AV Media Codec Type (Audio Codec ID) */ 49#define A2D_MEDIA_CT_SBC 0x00 /* SBC media codec type */ 50#define A2D_MEDIA_CT_M12 0x01 /* MPEG-1, 2 Audio media codec type */ 51#define A2D_MEDIA_CT_M24 0x02 /* MPEG-2, 4 AAC media codec type */ 52#define A2D_MEDIA_CT_ATRAC 0x04 /* ATRAC family media codec type */ 53 54#define A2D_SUCCESS 0 /* Success */ 55#define A2D_FAIL 0x0A /* Failed */ 56#define A2D_BUSY 0x0B /* A2D_FindService is already in progress */ 57#define A2D_INVALID_PARAMS 0x0C /* bad parameters */ 58#define A2D_WRONG_CODEC 0x0D /* wrong codec info */ 59#define A2D_BAD_CODEC_TYPE 0xC1 /* Media Codec Type is not valid */ 60#define A2D_NS_CODEC_TYPE 0xC2 /* Media Codec Type is not supported */ 61#define A2D_BAD_SAMP_FREQ 0xC3 /* Sampling Frequency is not valid or multiple values have been selected */ 62#define A2D_NS_SAMP_FREQ 0xC4 /* Sampling Frequency is not supported */ 63#define A2D_BAD_CH_MODE 0xC5 /* Channel Mode is not valid or multiple values have been selected */ 64#define A2D_NS_CH_MODE 0xC6 /* Channel Mode is not supported */ 65#define A2D_BAD_SUBBANDS 0xC7 /* None or multiple values have been selected for Number of Subbands */ 66#define A2D_NS_SUBBANDS 0xC8 /* Number of Subbands is not supported */ 67#define A2D_BAD_ALLOC_MTHD 0xC9 /* None or multiple values have been selected for Allocation Method */ 68#define A2D_NS_ALLOC_MTHD 0xCA /* Allocation Method is not supported */ 69#define A2D_BAD_MIN_BITPOOL 0xCB /* Minimum Bitpool Value is not valid */ 70#define A2D_NS_MIN_BITPOOL 0xCC /* Minimum Bitpool Value is not supported */ 71#define A2D_BAD_MAX_BITPOOL 0xCD /* Maximum Bitpool Value is not valid */ 72#define A2D_NS_MAX_BITPOOL 0xCE /* Maximum Bitpool Value is not supported */ 73#define A2D_BAD_LAYER 0xCF /* None or multiple values have been selected for Layer */ 74#define A2D_NS_LAYER 0xD0 /* Layer is not supported */ 75#define A2D_NS_CRC 0xD1 /* CRC is not supported */ 76#define A2D_NS_MPF 0xD2 /* MPF-2 is not supported */ 77#define A2D_NS_VBR 0xD3 /* VBR is not supported */ 78#define A2D_BAD_BIT_RATE 0xD4 /* None or multiple values have been selected for Bit Rate */ 79#define A2D_NS_BIT_RATE 0xD5 /* Bit Rate is not supported */ 80#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 */ 81#define A2D_NS_OBJ_TYPE 0xD7 /* Object type is not supported */ 82#define A2D_BAD_CHANNEL 0xD8 /* None or multiple values have been selected for Channels */ 83#define A2D_NS_CHANNEL 0xD9 /* Channels is not supported */ 84#define A2D_BAD_BLOCK_LEN 0xDD /* None or multiple values have been selected for Block Length */ 85#define A2D_BAD_CP_TYPE 0xE0 /* The requested CP Type is not supported. */ 86#define A2D_BAD_CP_FORMAT 0xE1 /* The format of Content Protection Service Capability/Content Protection Scheme Dependent Data is not correct. */ 87 88typedef UINT8 tA2D_STATUS; 89 90/* the return values from A2D_BitsSet() */ 91#define A2D_SET_ONE_BIT 1 /* one and only one bit is set */ 92#define A2D_SET_ZERO_BIT 0 /* all bits clear */ 93#define A2D_SET_MULTL_BIT 2 /* multiple bits are set */ 94 95/***************************************************************************** 96** type definitions 97*****************************************************************************/ 98 99/* This data type is used in A2D_FindService() to initialize the SDP database 100 * to hold the result service search. */ 101typedef struct 102{ 103 UINT32 db_len; /* Length, in bytes, of the discovery database */ 104 UINT16 num_attr;/* The number of attributes in p_attrs */ 105 UINT16 *p_attrs; /* The attributes filter. If NULL, A2DP API sets the attribute filter 106 * to be ATTR_ID_SERVICE_CLASS_ID_LIST, ATTR_ID_BT_PROFILE_DESC_LIST, 107 * ATTR_ID_SUPPORTED_FEATURES, ATTR_ID_SERVICE_NAME and ATTR_ID_PROVIDER_NAME. 108 * If not NULL, the input is taken as the filter. */ 109} tA2D_SDP_DB_PARAMS; 110 111/* This data type is used in tA2D_FIND_CBACK to report the result of the SDP discovery process. */ 112typedef struct 113{ 114 UINT16 service_len; /* Length, in bytes, of the service name */ 115 UINT16 provider_len; /* Length, in bytes, of the provider name */ 116 char * p_service_name; /* Pointer the service name. This character string may not be null terminated. 117 * Use the service_len parameter to safely copy this string */ 118 char * p_provider_name;/* Pointer the provider name. This character string may not be null terminated. 119 * Use the provider_len parameter to safely copy this string */ 120 UINT16 features; /* Profile supported features */ 121 UINT16 avdt_version; /* AVDTP protocol version */ 122} tA2D_Service; 123 124/* This is the callback to notify the result of the SDP discovery process. */ 125typedef void (tA2D_FIND_CBACK)(BOOLEAN found, tA2D_Service * p_service); 126 127 128/***************************************************************************** 129** external function declarations 130*****************************************************************************/ 131#ifdef __cplusplus 132extern "C" 133{ 134#endif 135/****************************************************************************** 136** 137** Function A2D_AddRecord 138** 139** Description This function is called by a server application to add 140** SRC or SNK information to an SDP record. Prior to 141** calling this function the application must call 142** SDP_CreateRecord() to create an SDP record. 143** 144** Input Parameters: 145** service_uuid: Indicates SRC or SNK. 146** 147** p_service_name: Pointer to a null-terminated character 148** string containing the service name. 149** 150** p_provider_name: Pointer to a null-terminated character 151** string containing the provider name. 152** 153** features: Profile supported features. 154** 155** sdp_handle: SDP handle returned by SDP_CreateRecord(). 156** 157** Output Parameters: 158** None. 159** 160** Returns A2D_SUCCESS if function execution succeeded, 161** A2D_INVALID_PARAMS if bad parameters are given. 162** A2D_FAIL if function execution failed. 163** 164******************************************************************************/ 165extern tA2D_STATUS A2D_AddRecord(UINT16 service_uuid, char *p_service_name, char *p_provider_name, 166 UINT16 features, UINT32 sdp_handle); 167 168/****************************************************************************** 169** 170** Function A2D_FindService 171** 172** Description This function is called by a client application to 173** perform service discovery and retrieve SRC or SNK SDP 174** record information from a server. Information is 175** returned for the first service record found on the 176** server that matches the service UUID. The callback 177** function will be executed when service discovery is 178** complete. There can only be one outstanding call to 179** A2D_FindService() at a time; the application must wait 180** for the callback before it makes another call to 181** the function. 182** 183** Input Parameters: 184** service_uuid: Indicates SRC or SNK. 185** 186** bd_addr: BD address of the peer device. 187** 188** p_db: Pointer to the information to initialize 189** the discovery database. 190** 191** p_cback: Pointer to the A2D_FindService() 192** callback function. 193** 194** Output Parameters: 195** None. 196** 197** Returns A2D_SUCCESS if function execution succeeded, 198** A2D_INVALID_PARAMS if bad parameters are given. 199** A2D_BUSY if discovery is already in progress. 200** A2D_FAIL if function execution failed. 201** 202******************************************************************************/ 203extern tA2D_STATUS A2D_FindService(UINT16 service_uuid, BD_ADDR bd_addr, 204 tA2D_SDP_DB_PARAMS *p_db, tA2D_FIND_CBACK *p_cback); 205 206/****************************************************************************** 207** 208** Function A2D_SetTraceLevel 209** 210** Description Sets the trace level for A2D. If 0xff is passed, the 211** current trace level is returned. 212** 213** Input Parameters: 214** new_level: The level to set the A2D tracing to: 215** 0xff-returns the current setting. 216** 0-turns off tracing. 217** >= 1-Errors. 218** >= 2-Warnings. 219** >= 3-APIs. 220** >= 4-Events. 221** >= 5-Debug. 222** 223** Returns The new trace level or current trace level if 224** the input parameter is 0xff. 225** 226******************************************************************************/ 227extern UINT8 A2D_SetTraceLevel (UINT8 new_level); 228 229/****************************************************************************** 230** Function A2D_BitsSet 231** 232** Description Check the given num for the number of bits set 233** Returns A2D_SET_ONE_BIT, if one and only one bit is set 234** A2D_SET_ZERO_BIT, if all bits clear 235** A2D_SET_MULTL_BIT, if multiple bits are set 236******************************************************************************/ 237extern UINT8 A2D_BitsSet(UINT8 num); 238 239#ifdef __cplusplus 240} 241#endif 242 243/******************************************************************************* 244** 245** Function A2D_Init 246** 247** Description This function is called at stack startup to allocate the 248** control block (if using dynamic memory), and initializes the 249** control block and tracing level. 250** 251** Returns void 252** 253*******************************************************************************/ 254extern void A2D_Init(void); 255 256#endif /* A2D_API_H */ 257