Chisato Kenmochi | 9470443 | 2017-01-10 11:56:48 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2013 - 2016 Sony Corporation |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #ifndef _LDACBT_INTERNAL_H_ |
| 18 | #define _LDACBT_INTERNAL_H_ |
| 19 | |
| 20 | #include <stdlib.h> |
| 21 | #include <string.h> |
| 22 | #include <stdint.h> |
| 23 | #include <unistd.h> |
| 24 | #include "struct_ldac.h" |
| 25 | |
| 26 | #ifdef __cplusplus |
| 27 | extern "C" { |
| 28 | #endif |
| 29 | |
| 30 | /* Function declaration */ |
| 31 | #define DECLFUNC static |
| 32 | |
| 33 | /* Limit for alter EQMID process */ |
| 34 | #define LDACBT_LIMIT_ALTER_EQMID_PRIORITY LDACBT_EQMID_MQ |
| 35 | |
| 36 | |
| 37 | #include "ldaclib.h" |
| 38 | #include "ldacBT.h" |
| 39 | #include "ldacBT_ex.h" |
| 40 | |
| 41 | /* macro value */ |
| 42 | /* The size of LDAC transport header. Unit:Byte. */ |
| 43 | #define LDACBT_FRMHDRBYTES LDAC_FRMHDRBYTES |
| 44 | /* The Maximum number of frames that can transrate in one packet.(LDAC A2DP spec) */ |
| 45 | #define LDACBT_NFRM_TX_MAX 15 |
| 46 | /* Lowest Common Multiple of (2,3,4)Bytes * 2ch * 256samples */ |
| 47 | #define LDACBT_ENC_PCM_BUF_SZ 6144 |
| 48 | /* The maximum pcm word length allowed. Unit:Byte */ |
| 49 | #define LDACBT_PCM_WLEN_MAX 4 |
| 50 | /* The size of LDACBT_TRANSPORT_FRM_BUF's buffer. Unit:Byte */ |
| 51 | #define LDACBT_ENC_STREAM_BUF_SZ 1024 |
| 52 | /* The size of rtp header and so on. Unit:Byte */ |
| 53 | /* = sizeof(struct rtp_header) + sizeof(struct rtp_payload) + 1 (scms-t). */ |
| 54 | #define LDACBT_TX_HEADER_SIZE 18 |
| 55 | /* The MTU size required for LDAC A2DP streaming. */ |
| 56 | #define LDACBT_MTU_REQUIRED 679 |
| 57 | #define LDACBT_MTU_3DH5 (990+LDACBT_TX_HEADER_SIZE) |
| 58 | |
| 59 | /* The state for alter operation */ |
| 60 | #define LDACBT_ALTER_OP__NON 0 |
| 61 | #define LDACBT_ALTER_OP__ACTIVE 1 |
| 62 | #define LDACBT_ALTER_OP__STANDBY 2 |
| 63 | #define LDACBT_ALTER_OP__FLASH 9 |
| 64 | |
| 65 | /* other */ |
| 66 | #ifndef LDACBT_S_OK |
| 67 | #define LDACBT_S_OK (0) |
| 68 | #endif |
| 69 | #ifndef LDACBT_E_FAIL |
| 70 | #define LDACBT_E_FAIL (-1) |
| 71 | #endif |
| 72 | #ifndef FALSE |
| 73 | #define FALSE 0 |
| 74 | #endif |
| 75 | #ifndef TRUE |
| 76 | #define TRUE 1 |
| 77 | #endif |
| 78 | #ifndef UNSET |
| 79 | #define UNSET -1 |
| 80 | #endif |
| 81 | #define LDACBT_GET_LDACLIB_ERROR_CODE 9999 |
| 82 | |
| 83 | /* The index for A2DP packets */ |
| 84 | enum { |
| 85 | ___DH1, ___DH3, ___DH5, /* basic rate */ |
| 86 | _2_DH1, _2_DH3, _2_DH5, /* EDR2M */ |
| 87 | _3_DH1, _3_DH3, _3_DH5, /* EDR3M */ |
| 88 | }; |
| 89 | |
| 90 | /* The state for LDACBT handle processing mode. */ |
| 91 | typedef enum { |
| 92 | LDACBT_PROCMODE_UNSET = -1, |
| 93 | LDACBT_PROCMODE_ENCODE = 1, |
| 94 | LDACBT_PROCMODE_DECODE = 2, |
| 95 | } LDACBT_PROCMODE; |
| 96 | |
| 97 | /* Structs */ |
| 98 | /* The structure for the property of EQMID. */ |
| 99 | typedef struct _st_ldacbt_eqmid_property |
| 100 | { |
| 101 | int eqmid; |
| 102 | char strModeName[4]; |
| 103 | int id_for_2DH5; |
| 104 | } LDACBT_EQMID_PROPERTY, * P_LDACBT_EQMID_PROPERTY; |
| 105 | |
| 106 | /* The structure for the configuration of LDAC. */ |
| 107 | typedef struct _st_ldacbt_config |
| 108 | { |
| 109 | int id; |
| 110 | int nfrm_in_pkt; /* number of ldac frame in packet */ |
| 111 | int frmlen; /* ldac frame length */ |
| 112 | int frmlen_1ch; /* ldac frame length per channel */ |
| 113 | } LDACBT_CONFIG, * P_LDACBT_CONFIG; |
| 114 | |
| 115 | /* The structure for the pcm information. */ |
| 116 | typedef struct _ldacbt_pcm_info { |
| 117 | int sf; /* sampling frequency */ |
| 118 | int ch; /* number of channel */ |
| 119 | int wl; |
| 120 | LDACBT_SMPL_FMT_T fmt; /* sample format */ |
| 121 | } LDACBT_PCM_INFO; |
| 122 | |
| 123 | /* The structure for the A2DP streaming. */ |
| 124 | typedef struct _ldacbt_tx_info { |
| 125 | int mtu; |
| 126 | int tx_size; /* size for ldac stream */ |
| 127 | int pkt_type; /* packet type */ |
| 128 | int pkt_hdr_sz; /* packet header size */ |
| 129 | int nfrm_in_pkt; /* number of ldac frame in packet */ |
| 130 | } LDACBT_TX_INFO; |
| 131 | /* The structure for the ldac_transport_frame sequence. */ |
| 132 | typedef struct _ldacbt_transport_frame_buf { |
| 133 | unsigned char buf[LDACBT_ENC_STREAM_BUF_SZ]; |
| 134 | int used; |
| 135 | int nfrm_in; |
| 136 | } LDACBT_TRANSPORT_FRM_BUF; |
| 137 | /* The structure of ring buffer for the input PCM. */ |
| 138 | typedef struct _ldacbt_pcm_ring_buf { |
| 139 | char buf[LDACBT_ENC_PCM_BUF_SZ]; |
| 140 | int wp; |
| 141 | int rp; |
| 142 | int nsmpl; |
| 143 | } LDACBT_PCM_RING_BUF; |
| 144 | |
| 145 | /* The LDACBT handle. */ |
| 146 | typedef struct _st_ldacbt_handle { |
| 147 | HANDLE_LDAC hLDAC; |
| 148 | LDACBT_PROCMODE proc_mode; |
| 149 | int error_code; |
| 150 | int error_code_api; |
| 151 | /* common */ |
| 152 | /* pcm */ |
| 153 | LDACBT_PCM_INFO pcm; |
| 154 | /* tx */ |
| 155 | LDACBT_TX_INFO tx; |
| 156 | /* ldaclib config */ |
| 157 | int frm_samples; /* frame samples */ |
| 158 | int sfid; /* sampling frequency index */ |
| 159 | int nshift; |
| 160 | int flg_encode_flushed; |
| 161 | int frm_status; |
| 162 | int frmlen; /* Frame Length */ |
| 163 | int frmlen_tx; /* Frame Length with transport header */ |
| 164 | int bitrate; |
| 165 | |
| 166 | int eqmid; /* Encode Quality Mode Index */ |
| 167 | /* for alter frame length */ |
| 168 | int tgt_eqmid; /* target Encode Quality Mode Index */ |
| 169 | int tgt_nfrm_in_pkt;/* target number of frame in packet */ |
| 170 | int tgt_frmlen; /* target frame length */ |
| 171 | int stat_alter_op; /* status of alter operation */ |
| 172 | |
| 173 | int cm; /* Channel Mode */ |
| 174 | int cci; /* Channel Config Index */ |
| 175 | int transport; /* Transport Stream ( with frame header) */ |
| 176 | /* buffer for "ldac_transport_frame" sequence */ |
| 177 | LDACBT_TRANSPORT_FRM_BUF ldac_trns_frm_buf; |
| 178 | /* buffer for input pcm */ |
| 179 | LDACBT_PCM_RING_BUF pcmring; |
| 180 | |
| 181 | /* work buffer for LDACLIB I/O */ |
| 182 | char **pp_pcm; |
| 183 | char *ap_pcm[LDAC_PRCNCH]; |
| 184 | char a_pcm[LDAC_PRCNCH * LDACBT_MAX_LSU * LDACBT_PCM_WLEN_MAX]; |
| 185 | } STRUCT_LDACBT_HANDLE; |
| 186 | |
| 187 | |
| 188 | |
| 189 | /* subfunctions */ |
| 190 | DECLFUNC void ldacBT_param_clear(HANDLE_LDAC_BT hLdacBT); |
| 191 | DECLFUNC int ldacBT_check_ldaclib_error_code(HANDLE_LDAC_BT hLdacBT); |
| 192 | DECLFUNC int ldacBT_assert_cm( int cm ); |
| 193 | DECLFUNC int ldacBT_assert_cci( int cci ); |
| 194 | DECLFUNC int ldacBT_assert_sample_format( LDACBT_SMPL_FMT_T fmt ); |
| 195 | DECLFUNC int ldacBT_assert_pcm_sampling_freq( int sf ); |
| 196 | DECLFUNC int ldacBT_assert_mtu( int mtu ); |
| 197 | DECLFUNC int ldacBT_assert_eqmid( int eqmid ); |
| 198 | DECLFUNC void ldacBT_set_eqmid_core( HANDLE_LDAC_BT hLdacBT, int eqmid ); |
| 199 | DECLFUNC void ldacBT_prepare_pcm_encode( void *pbuff, char **ap_pcm, int nsmpl, int nch, |
| 200 | LDACBT_SMPL_FMT_T fmt ); |
| 201 | DECLFUNC int ldacBT_frmlen_to_bitrate( int frmlen, int flgFrmHdr, int sf, int frame_samples ); |
| 202 | DECLFUNC int ldacBT_cm_to_cci( int cm ); |
| 203 | DECLFUNC int ldacBT_cci_to_cm( int cci ); |
| 204 | DECLFUNC int ldacBT_get_altered_eqmid ( HANDLE_LDAC_BT hLdacBT, int priority ); |
| 205 | DECLFUNC int ldacBT_get_eqmid_from_frmlen( int frmlen, int nch, int flgFrmHdr, int pktType ); |
| 206 | DECLFUNC int ldacBT_update_frmlen(HANDLE_LDAC_BT hLdacBT, int frmlen); |
| 207 | DECLFUNC P_LDACBT_EQMID_PROPERTY ldacBT_get_eqmid_conv_tbl ( int ldac_bt_mode ); |
| 208 | DECLFUNC P_LDACBT_CONFIG ldacBT_get_config( int ldac_bt_mode, int pkt_type ); |
| 209 | |
| 210 | #ifdef __cplusplus |
| 211 | } |
| 212 | #endif |
| 213 | #endif /* _LDACBT_INTERNAL_H_ */ |