Chisato Kenmochi | 9470443 | 2017-01-10 11:56:48 +0900 | [diff] [blame] | 1 | /* |
Chisato Kenmochi | f1540a7 | 2017-02-20 15:31:39 +0900 | [diff] [blame^] | 2 | * Copyright (C) 2013 - 2017 Sony Corporation |
Chisato Kenmochi | 9470443 | 2017-01-10 11:56:48 +0900 | [diff] [blame] | 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 | #include "ldacBT_internal.h" |
| 18 | |
| 19 | |
| 20 | /* Get LDAC library version */ |
Chisato Kenmochi | f1540a7 | 2017-02-20 15:31:39 +0900 | [diff] [blame^] | 21 | #define LDACBT_LIB_VER_MAJOR 2 |
| 22 | #define LDACBT_LIB_VER_MINOR 0 |
| 23 | #define LDACBT_LIB_VER_BRANCH 2 |
Chisato Kenmochi | 9470443 | 2017-01-10 11:56:48 +0900 | [diff] [blame] | 24 | LDACBT_API int ldacBT_get_version( void ) |
| 25 | { |
| 26 | return ((LDACBT_LIB_VER_MAJOR)<<16)|((LDACBT_LIB_VER_MINOR)<<8)|(LDACBT_LIB_VER_BRANCH); |
| 27 | } |
| 28 | |
| 29 | /* Get LDAC handle */ |
| 30 | LDACBT_API HANDLE_LDAC_BT ldacBT_get_handle( void ) |
| 31 | { |
| 32 | HANDLE_LDAC_BT hLdacBT; |
| 33 | hLdacBT = (HANDLE_LDAC_BT)malloc( sizeof(STRUCT_LDACBT_HANDLE) ); |
| 34 | if( hLdacBT == NULL ){ return NULL; } |
| 35 | |
| 36 | /* Get ldaclib Handler */ |
| 37 | if( (hLdacBT->hLDAC = ldaclib_get_handle()) == NULL ){ |
| 38 | ldacBT_free_handle( hLdacBT ); |
| 39 | return NULL; |
| 40 | } |
| 41 | |
| 42 | ldacBT_param_clear( hLdacBT ); |
| 43 | return hLdacBT; |
| 44 | } |
| 45 | |
| 46 | /* Free LDAC handle */ |
| 47 | LDACBT_API void ldacBT_free_handle( HANDLE_LDAC_BT hLdacBT ) |
| 48 | { |
| 49 | if( hLdacBT == NULL ){ return; } |
| 50 | |
| 51 | if( hLdacBT->hLDAC != NULL ){ |
| 52 | /* close ldaclib handle */ |
| 53 | if( hLdacBT->proc_mode == LDACBT_PROCMODE_ENCODE ){ |
| 54 | ldaclib_free_encode( hLdacBT->hLDAC ); |
| 55 | } |
| 56 | /* free ldaclib handle */ |
| 57 | ldaclib_free_handle( hLdacBT->hLDAC ); |
| 58 | hLdacBT->hLDAC = NULL; |
| 59 | } |
| 60 | /* free ldacbt handle */ |
| 61 | free( hLdacBT ); |
| 62 | } |
| 63 | |
| 64 | /* Close LDAC handle */ |
| 65 | LDACBT_API void ldacBT_close_handle( HANDLE_LDAC_BT hLdacBT ) |
| 66 | { |
| 67 | if( hLdacBT == NULL ){ return; } |
| 68 | |
| 69 | if( hLdacBT->hLDAC != NULL ){ |
| 70 | /* close ldaclib handle */ |
| 71 | if( hLdacBT->proc_mode == LDACBT_PROCMODE_ENCODE ){ |
| 72 | ldaclib_free_encode( hLdacBT->hLDAC ); |
| 73 | } |
| 74 | /* clear error code */ |
| 75 | ldaclib_clear_error_code(hLdacBT->hLDAC); |
| 76 | ldaclib_clear_internal_error_code(hLdacBT->hLDAC); |
| 77 | } |
| 78 | /* clear ldacbt handle */ |
| 79 | ldacBT_param_clear( hLdacBT ); |
| 80 | } |
| 81 | |
| 82 | |
| 83 | /* Get ERROR CODE */ |
| 84 | LDACBT_API int ldacBT_get_error_code( HANDLE_LDAC_BT hLdacBT ) |
| 85 | { |
| 86 | int error_code; |
| 87 | if( hLdacBT == NULL ){return LDACBT_ERR_FATAL_HANDLE<<10;} |
| 88 | ldacBT_check_ldaclib_error_code( hLdacBT ); |
| 89 | if( hLdacBT->error_code_api == LDACBT_GET_LDACLIB_ERROR_CODE ){ |
| 90 | error_code = LDACBT_ERR_FATAL << 20 | hLdacBT->error_code; |
| 91 | }else if( hLdacBT->error_code_api != LDACBT_ERR_NONE ){ |
| 92 | error_code = hLdacBT->error_code_api << 20 | hLdacBT->error_code; |
| 93 | }else{ |
| 94 | error_code = hLdacBT->error_code_api << 20; |
| 95 | } |
| 96 | return error_code; |
| 97 | } |
| 98 | |
| 99 | |
| 100 | /* Get Configured Sampling frequency */ |
| 101 | LDACBT_API int ldacBT_get_sampling_freq( HANDLE_LDAC_BT hLdacBT ) |
| 102 | { |
| 103 | if( hLdacBT == NULL ){ |
| 104 | return LDACBT_E_FAIL; |
| 105 | } |
| 106 | if( hLdacBT->proc_mode != LDACBT_PROCMODE_ENCODE ) |
| 107 | { |
| 108 | hLdacBT->error_code_api = LDACBT_ERR_HANDLE_NOT_INIT; |
| 109 | return LDACBT_E_FAIL; |
| 110 | } |
| 111 | return hLdacBT->pcm.sf; |
| 112 | } |
| 113 | |
| 114 | /* Get bitrate */ |
| 115 | LDACBT_API int ldacBT_get_bitrate( HANDLE_LDAC_BT hLdacBT ) |
| 116 | { |
| 117 | if( hLdacBT == NULL ){ |
| 118 | return LDACBT_E_FAIL; |
| 119 | } |
| 120 | if( hLdacBT->proc_mode != LDACBT_PROCMODE_ENCODE ) |
| 121 | { |
| 122 | hLdacBT->error_code_api = LDACBT_ERR_HANDLE_NOT_INIT; |
| 123 | return LDACBT_E_FAIL; |
| 124 | } |
| 125 | return hLdacBT->bitrate; |
| 126 | } |
| 127 | |
| 128 | /* Init LDAC handle for ENCODE */ |
| 129 | LDACBT_API int ldacBT_init_handle_encode( HANDLE_LDAC_BT hLdacBT, int mtu, int eqmid, |
| 130 | int cm, LDACBT_SMPL_FMT_T fmt, int sf ) |
| 131 | { |
| 132 | LDAC_RESULT result; |
| 133 | int sfid, frame_samples, cci; |
| 134 | int nbasebands, grad_mode, grad_qu_l, grad_qu_h, grad_ofst_l, grad_ofst_h, abc_flag; |
| 135 | P_LDACBT_CONFIG pCfg; |
| 136 | const int a_cci_nch[] = { 1, 2, 2 }; |
| 137 | |
| 138 | /* check arguments */ |
| 139 | if( hLdacBT == NULL ){ return LDACBT_E_FAIL; } |
| 140 | if( (hLdacBT->error_code_api = ldacBT_assert_mtu( mtu )) != LDACBT_ERR_NONE ){ |
| 141 | return LDACBT_E_FAIL; |
| 142 | } |
| 143 | if( (hLdacBT->error_code_api = ldacBT_assert_eqmid( eqmid )) != LDACBT_ERR_NONE ){ |
| 144 | return LDACBT_E_FAIL; |
| 145 | } |
| 146 | if( (hLdacBT->error_code_api = ldacBT_assert_cm( cm )) != LDACBT_ERR_NONE ){ |
| 147 | return LDACBT_E_FAIL; |
| 148 | } |
| 149 | if( (hLdacBT->error_code_api = ldacBT_assert_sample_format( fmt )) != LDACBT_ERR_NONE ){ |
| 150 | return LDACBT_E_FAIL; |
| 151 | } |
| 152 | if( (hLdacBT->error_code_api = ldacBT_assert_pcm_sampling_freq( sf )) != LDACBT_ERR_NONE ){ |
| 153 | return LDACBT_E_FAIL; |
| 154 | } |
| 155 | |
| 156 | ldacBT_close_handle( hLdacBT ); |
| 157 | |
| 158 | /* initialize handle for encode processing */ |
| 159 | hLdacBT->proc_mode = LDACBT_PROCMODE_ENCODE; |
| 160 | hLdacBT->flg_encode_flushed = FALSE; |
| 161 | |
| 162 | /* transport setting */ |
| 163 | /* The ldac frame header is REQUIRED for A2DP streaming. */ |
| 164 | hLdacBT->transport = TRUE; |
| 165 | hLdacBT->tx.mtu = mtu; |
| 166 | hLdacBT->tx.pkt_hdr_sz = LDACBT_TX_HEADER_SIZE; |
| 167 | hLdacBT->tx.tx_size = LDACBT_MTU_REQUIRED; |
| 168 | hLdacBT->tx.pkt_type = _2_DH5; |
| 169 | /* - BT TRANS HEADER etc */ |
| 170 | hLdacBT->tx.tx_size -= hLdacBT->tx.pkt_hdr_sz; |
| 171 | if( hLdacBT->tx.tx_size > (hLdacBT->tx.mtu - hLdacBT->tx.pkt_hdr_sz) ){ |
| 172 | /* never happen, mtu must be larger than LDACBT_MTU_REQUIRED(2DH5) */ |
| 173 | hLdacBT->tx.tx_size = (hLdacBT->tx.mtu - hLdacBT->tx.pkt_hdr_sz); |
| 174 | } |
| 175 | |
| 176 | /* channel configration */ |
| 177 | cci = ldacBT_cm_to_cci(cm); |
| 178 | hLdacBT->cm = cm; |
| 179 | hLdacBT->cci = cci; |
| 180 | /* input pcm configuration */ |
| 181 | hLdacBT->pcm.ch = a_cci_nch[cci]; |
| 182 | hLdacBT->pcm.sf = sf; |
| 183 | hLdacBT->pcm.fmt = fmt; |
| 184 | switch(hLdacBT->pcm.fmt){ |
| 185 | case LDACBT_SMPL_FMT_S16: |
| 186 | hLdacBT->pcm.wl = 2; |
| 187 | break; |
| 188 | case LDACBT_SMPL_FMT_S24: |
| 189 | hLdacBT->pcm.wl = 3; |
| 190 | break; |
| 191 | case LDACBT_SMPL_FMT_S32: |
| 192 | case LDACBT_SMPL_FMT_F32: |
| 193 | hLdacBT->pcm.wl = 4; |
| 194 | break; |
| 195 | default: |
| 196 | // must be rejected by ldacBT_assert_sample_format() |
| 197 | hLdacBT->pcm.wl = 4; |
| 198 | break; |
| 199 | } |
| 200 | |
| 201 | /* initilize ldac encode */ |
| 202 | /* Get sampling frequency index */ |
| 203 | result = ldaclib_get_sampling_rate_index( hLdacBT->pcm.sf, &sfid ); |
| 204 | if( LDAC_FAILED ( result ) ){ |
| 205 | hLdacBT->error_code_api = LDACBT_ERR_ILL_SAMPLING_FREQ; |
| 206 | return LDACBT_E_FAIL; |
| 207 | } |
| 208 | hLdacBT->sfid = sfid; |
| 209 | |
| 210 | /* Get number of frame samples */ |
| 211 | result = ldaclib_get_frame_samples(sfid, &frame_samples); |
| 212 | if (LDAC_FAILED(result)) { |
| 213 | hLdacBT->error_code_api = LDACBT_ERR_ILL_SAMPLING_FREQ; |
| 214 | return LDACBT_E_FAIL; |
| 215 | } |
| 216 | hLdacBT->frm_samples = frame_samples; |
| 217 | |
| 218 | |
| 219 | /* Set Parameters by Encode Quality Mode Index */ |
| 220 | hLdacBT->eqmid = eqmid; |
| 221 | /* get frame_length of EQMID */ |
| 222 | pCfg = ldacBT_get_config( hLdacBT->eqmid, hLdacBT->tx.pkt_type ); |
| 223 | /* set frame_length */ |
| 224 | hLdacBT->frmlen_tx = hLdacBT->pcm.ch * pCfg->frmlen_1ch; |
| 225 | hLdacBT->frmlen = hLdacBT->frmlen_tx; |
| 226 | if (hLdacBT->transport) { |
| 227 | /* Adjust frame_length for Transport Header Data */ |
| 228 | hLdacBT->frmlen -= LDACBT_FRMHDRBYTES; |
| 229 | } |
| 230 | |
| 231 | /* Calculate how many LDAC frames fit into payload packet */ |
| 232 | hLdacBT->tx.nfrm_in_pkt = hLdacBT->tx.tx_size / hLdacBT->frmlen_tx; |
| 233 | |
| 234 | |
| 235 | /* Get ldac encode setting */ |
| 236 | result = ldaclib_get_encode_setting( pCfg->frmlen_1ch, sfid, &nbasebands, &grad_mode, |
| 237 | &grad_qu_l, &grad_qu_h, &grad_ofst_l, &grad_ofst_h, &abc_flag); |
| 238 | if (LDAC_FAILED(result)) { |
| 239 | hLdacBT->error_code_api = LDACBT_ERR_ILL_PARAM; |
| 240 | return LDACBT_E_FAIL; |
| 241 | } |
| 242 | |
| 243 | /* Set Configuration Information */ |
| 244 | result = ldaclib_set_config_info( hLdacBT->hLDAC, hLdacBT->sfid, hLdacBT->cci, |
| 245 | hLdacBT->frmlen, hLdacBT->frm_status); |
| 246 | if (LDAC_FAILED(result)) { |
| 247 | hLdacBT->error_code_api = LDACBT_GET_LDACLIB_ERROR_CODE; |
| 248 | return LDACBT_E_FAIL; |
| 249 | } |
| 250 | else if (result != LDAC_S_OK) { |
| 251 | hLdacBT->error_code_api = LDACBT_GET_LDACLIB_ERROR_CODE; |
| 252 | } |
| 253 | |
| 254 | /* Set Encoding Information */ |
| 255 | result = ldaclib_set_encode_info(hLdacBT->hLDAC, nbasebands, grad_mode, |
| 256 | grad_qu_l, grad_qu_h, grad_ofst_l, grad_ofst_h, abc_flag); |
| 257 | if (LDAC_FAILED(result)) { |
| 258 | hLdacBT->error_code_api = LDACBT_GET_LDACLIB_ERROR_CODE; |
| 259 | return LDACBT_E_FAIL; |
| 260 | } |
| 261 | else if (result != LDAC_S_OK) { |
| 262 | hLdacBT->error_code_api = LDACBT_GET_LDACLIB_ERROR_CODE; |
| 263 | } |
| 264 | |
| 265 | /* Initialize ldaclib for Encoding */ |
| 266 | result = ldaclib_init_encode(hLdacBT->hLDAC); |
| 267 | if (LDAC_FAILED(result)) { |
| 268 | hLdacBT->error_code_api = LDACBT_GET_LDACLIB_ERROR_CODE; |
| 269 | return LDACBT_E_FAIL; |
| 270 | } |
| 271 | else if (result != LDAC_S_OK) { |
| 272 | hLdacBT->error_code_api = LDACBT_GET_LDACLIB_ERROR_CODE; |
| 273 | } |
| 274 | |
| 275 | /* reset target eqmid as current setting */ |
| 276 | hLdacBT->tgt_eqmid = hLdacBT->eqmid; |
| 277 | hLdacBT->tgt_nfrm_in_pkt = hLdacBT->tx.nfrm_in_pkt; |
| 278 | hLdacBT->tgt_frmlen = hLdacBT->frmlen; |
| 279 | hLdacBT->stat_alter_op = LDACBT_ALTER_OP__NON; |
| 280 | |
| 281 | /* get bitrate */ |
| 282 | hLdacBT->bitrate = ldacBT_frmlen_to_bitrate( hLdacBT->frmlen, hLdacBT->transport, |
| 283 | hLdacBT->pcm.sf, hLdacBT->frm_samples ); |
| 284 | |
| 285 | return (hLdacBT->error_code_api==LDACBT_ERR_NONE?LDACBT_S_OK:LDACBT_E_FAIL); |
| 286 | } |
| 287 | |
| 288 | /* Set Encode Quality Mode index */ |
| 289 | LDACBT_API int ldacBT_set_eqmid( HANDLE_LDAC_BT hLdacBT, int eqmid ) |
| 290 | { |
| 291 | if( hLdacBT == NULL ){ |
| 292 | return LDACBT_E_FAIL; |
| 293 | } |
| 294 | if( hLdacBT->proc_mode != LDACBT_PROCMODE_ENCODE ){ |
| 295 | hLdacBT->error_code_api = LDACBT_ERR_HANDLE_NOT_INIT; |
| 296 | return LDACBT_E_FAIL; |
| 297 | } |
| 298 | |
| 299 | if( (hLdacBT->error_code_api = ldacBT_assert_eqmid( eqmid )) != LDACBT_ERR_NONE ){ |
| 300 | return LDACBT_E_FAIL; /* fatal */ |
| 301 | } |
| 302 | ldacBT_set_eqmid_core( hLdacBT, eqmid ); |
| 303 | |
| 304 | return LDACBT_S_OK; |
| 305 | } |
| 306 | |
| 307 | /* Get Encode Quality Mode index */ |
| 308 | LDACBT_API int ldacBT_get_eqmid( HANDLE_LDAC_BT hLdacBT ) |
| 309 | { |
| 310 | if( hLdacBT == NULL ){ |
| 311 | return LDACBT_E_FAIL; |
| 312 | } |
| 313 | if( hLdacBT->proc_mode != LDACBT_PROCMODE_ENCODE ){ |
| 314 | hLdacBT->error_code_api = LDACBT_ERR_HANDLE_NOT_INIT; |
| 315 | return LDACBT_E_FAIL; |
| 316 | } |
| 317 | return hLdacBT->tgt_eqmid; |
| 318 | } |
| 319 | |
| 320 | /* Alter encode quality mode index */ |
| 321 | LDACBT_API int ldacBT_alter_eqmid_priority( HANDLE_LDAC_BT hLdacBT, int priority ) |
| 322 | { |
| 323 | int target_eqmid; |
| 324 | if( hLdacBT == NULL ){ return LDACBT_E_FAIL; } |
| 325 | if( hLdacBT->proc_mode != LDACBT_PROCMODE_ENCODE ){ |
| 326 | hLdacBT->error_code_api = LDACBT_ERR_HANDLE_NOT_INIT; |
| 327 | return LDACBT_E_FAIL; |
| 328 | } |
| 329 | if( (priority != LDACBT_EQMID_INC_QUALITY) && |
| 330 | (priority != LDACBT_EQMID_INC_CONNECTION ) |
| 331 | ){ |
| 332 | hLdacBT->error_code_api = LDACBT_ERR_ILL_PARAM; |
| 333 | return LDACBT_E_FAIL; |
| 334 | } |
| 335 | |
| 336 | target_eqmid = ldacBT_get_altered_eqmid( hLdacBT, priority); |
| 337 | if( target_eqmid < 0 ){ |
| 338 | hLdacBT->error_code_api = LDACBT_ERR_ALTER_EQMID_LIMITED; |
| 339 | return LDACBT_E_FAIL; |
| 340 | } |
| 341 | |
| 342 | ldacBT_set_eqmid_core( hLdacBT, target_eqmid ); |
| 343 | return LDACBT_S_OK; |
| 344 | } |
| 345 | |
| 346 | /* LDAC encode proccess */ |
| 347 | LDACBT_API int ldacBT_encode( HANDLE_LDAC_BT hLdacBT, void *p_pcm, int *pcm_used, |
| 348 | unsigned char *p_stream, int *stream_sz, int *frame_num ) |
| 349 | { |
| 350 | LDAC_RESULT result; |
| 351 | LDACBT_SMPL_FMT_T fmt; |
| 352 | LDACBT_TRANSPORT_FRM_BUF *ptfbuf; |
| 353 | LDACBT_PCM_RING_BUF *ppcmring; |
| 354 | P_LDACBT_CONFIG pCfg; |
| 355 | int frmlen, frmlen_wrote, frmlen_adj; |
| 356 | int frm_status, flg_Do_Encode; |
| 357 | int nFrmToPkt, ch, wl; |
| 358 | unsigned char *p_ldac_transport_frame; |
| 359 | unsigned char a_frm_header[LDACBT_FRMHDRBYTES + 2]; |
| 360 | if( hLdacBT == NULL ){ |
| 361 | return LDACBT_E_FAIL; |
| 362 | } |
| 363 | if( hLdacBT->hLDAC == NULL ){ |
| 364 | return LDACBT_E_FAIL; |
| 365 | } |
| 366 | if( hLdacBT->proc_mode != LDACBT_PROCMODE_ENCODE ){ |
| 367 | hLdacBT->error_code_api = LDACBT_ERR_HANDLE_NOT_INIT; |
| 368 | return LDACBT_E_FAIL; |
| 369 | } |
| 370 | /* Clear Error Codes */ |
| 371 | hLdacBT->error_code_api = LDACBT_ERR_NONE; |
| 372 | ldaclib_clear_error_code( hLdacBT->hLDAC ); |
| 373 | ldaclib_clear_internal_error_code( hLdacBT->hLDAC ); |
| 374 | |
| 375 | if( ( pcm_used == NULL) || |
| 376 | ( p_stream == NULL ) || |
| 377 | ( stream_sz == NULL ) || |
| 378 | ( frame_num == NULL ) |
| 379 | ){ |
| 380 | hLdacBT->error_code_api = LDACBT_ERR_ILL_PARAM; |
| 381 | return LDACBT_E_FAIL; |
| 382 | } |
| 383 | /* reset parameters */ |
| 384 | *pcm_used = 0; |
| 385 | *stream_sz = 0; |
| 386 | *frame_num = 0; |
| 387 | flg_Do_Encode = 0; |
| 388 | fmt = hLdacBT->pcm.fmt; |
| 389 | ch = hLdacBT->pcm.ch; |
| 390 | wl = hLdacBT->pcm.wl; |
| 391 | ptfbuf = &hLdacBT->ldac_trns_frm_buf; |
| 392 | ppcmring = &hLdacBT->pcmring; |
| 393 | |
| 394 | /* update input pcm data */ |
| 395 | if( p_pcm != NULL ){ |
| 396 | int nByteCpy, sz; |
| 397 | nByteCpy = LDACBT_ENC_LSU * wl * ch; |
| 398 | sz = ppcmring->nsmpl * wl * ch + nByteCpy; |
| 399 | if( sz < LDACBT_ENC_PCM_BUF_SZ ){ |
| 400 | copy_data_ldac( p_pcm, ppcmring->buf + ppcmring->wp, nByteCpy ); |
| 401 | ppcmring->wp += nByteCpy; |
| 402 | if( ppcmring->wp >= LDACBT_ENC_PCM_BUF_SZ ){ |
| 403 | ppcmring->wp = 0; |
| 404 | } |
| 405 | ppcmring->nsmpl += LDACBT_ENC_LSU; |
| 406 | *pcm_used = nByteCpy; |
| 407 | }else{ |
| 408 | /* Not enough space to copy. |
| 409 | * This will happen when the last encode process failed. |
| 410 | */ |
| 411 | *pcm_used = 0; |
| 412 | } |
| 413 | |
| 414 | if( ppcmring->nsmpl >= hLdacBT->frm_samples ) |
| 415 | { |
| 416 | flg_Do_Encode = 1; |
| 417 | } |
| 418 | }else{ |
| 419 | if (hLdacBT->flg_encode_flushed != TRUE){ |
| 420 | flg_Do_Encode = 1; |
| 421 | } |
| 422 | } |
| 423 | |
| 424 | if( !flg_Do_Encode ){ |
| 425 | /* nothing to do */ |
| 426 | return LDACBT_S_OK; |
| 427 | } |
| 428 | |
| 429 | /* update frame_length if needed */ |
| 430 | if( (hLdacBT->tgt_eqmid != UNSET) && (hLdacBT->tgt_eqmid != hLdacBT->eqmid) ){ |
| 431 | if( ptfbuf->nfrm_in == 0 ){ |
| 432 | ldacBT_update_frmlen( hLdacBT, hLdacBT->tgt_frmlen ); |
| 433 | hLdacBT->stat_alter_op = LDACBT_ALTER_OP__NON; |
| 434 | } |
| 435 | else if( hLdacBT->tgt_nfrm_in_pkt > hLdacBT->tx.nfrm_in_pkt ){ |
| 436 | /* for better connectivity, apply ASAP */ |
| 437 | if( !hLdacBT->stat_alter_op ){ |
| 438 | nFrmToPkt = hLdacBT->tgt_nfrm_in_pkt - ptfbuf->nfrm_in; |
| 439 | if( nFrmToPkt > 0 ){ |
| 440 | pCfg = ldacBT_get_config(LDACBT_EQMID_END, hLdacBT->tx.pkt_type); |
| 441 | if( pCfg != NULL ){ |
| 442 | do{ |
| 443 | frmlen_adj = (hLdacBT->tx.tx_size - ptfbuf->used) / nFrmToPkt; |
| 444 | if( frmlen_adj > hLdacBT->tgt_frmlen ) { |
| 445 | frmlen_adj = hLdacBT->tgt_frmlen; |
| 446 | } |
| 447 | frmlen_adj -= LDACBT_FRMHDRBYTES; |
| 448 | if( frmlen_adj >= pCfg->frmlen ){ |
| 449 | if( ldacBT_update_frmlen( hLdacBT, frmlen_adj ) == LDACBT_S_OK ){ |
| 450 | hLdacBT->stat_alter_op = LDACBT_ALTER_OP__ACTIVE; |
| 451 | break; |
| 452 | } |
| 453 | } |
| 454 | }while( --nFrmToPkt > 0 ); |
| 455 | } |
| 456 | if( !hLdacBT->stat_alter_op ){ |
| 457 | /* force to flash streams */ |
| 458 | hLdacBT->stat_alter_op = LDACBT_ALTER_OP__FLASH; |
| 459 | } |
| 460 | } |
| 461 | } |
| 462 | } |
| 463 | else{ |
| 464 | /* wait the condition ptfbuf->nfrm_in == 0 for apply new frame_length */ |
| 465 | hLdacBT->stat_alter_op = LDACBT_ALTER_OP__STANDBY; |
| 466 | } |
| 467 | |
| 468 | } |
| 469 | else if( hLdacBT->tgt_frmlen != hLdacBT->frmlen ){ |
| 470 | if( ptfbuf->nfrm_in == 0 ){ |
| 471 | ldacBT_update_frmlen( hLdacBT, hLdacBT->tgt_frmlen ); |
| 472 | hLdacBT->stat_alter_op = LDACBT_ALTER_OP__NON; |
| 473 | }else{ |
| 474 | if( hLdacBT->tgt_nfrm_in_pkt == hLdacBT->tx.nfrm_in_pkt ){ |
| 475 | ldacBT_update_frmlen( hLdacBT, hLdacBT->tgt_frmlen ); |
| 476 | hLdacBT->stat_alter_op = LDACBT_ALTER_OP__NON; |
| 477 | }else{ |
| 478 | if( hLdacBT->tgt_nfrm_in_pkt > hLdacBT->tx.nfrm_in_pkt ){ |
| 479 | /* for better connectivity, apply ASAP */ |
| 480 | if( !hLdacBT->stat_alter_op ){ |
| 481 | nFrmToPkt = hLdacBT->tgt_nfrm_in_pkt - ptfbuf->nfrm_in; |
| 482 | if( nFrmToPkt > 0 ){ |
| 483 | frmlen_adj = (hLdacBT->tx.tx_size - ptfbuf->used) / nFrmToPkt; |
| 484 | if( frmlen_adj > hLdacBT->tgt_frmlen ) { |
| 485 | frmlen_adj = hLdacBT->tgt_frmlen; |
| 486 | } |
| 487 | if( ldacBT_update_frmlen( hLdacBT, frmlen_adj ) == LDACBT_S_OK ){ |
| 488 | hLdacBT->stat_alter_op = LDACBT_ALTER_OP__ACTIVE; |
| 489 | } |
| 490 | if( !hLdacBT->stat_alter_op ){ |
| 491 | /* flash streams */ |
| 492 | hLdacBT->stat_alter_op = LDACBT_ALTER_OP__FLASH; |
| 493 | } |
| 494 | } |
| 495 | } |
| 496 | }else{ |
| 497 | /* wait the condition ptfbuf->nfrm_in == 0 for apply new frame_length */ |
| 498 | hLdacBT->stat_alter_op = LDACBT_ALTER_OP__STANDBY; |
| 499 | } |
| 500 | } |
| 501 | } |
| 502 | } |
| 503 | |
| 504 | /* check write space for encoded data */ |
| 505 | ldaclib_get_encode_frame_length( hLdacBT->hLDAC, &frmlen ); |
| 506 | |
| 507 | if( (( ptfbuf->used + frmlen + LDACBT_FRMHDRBYTES) > hLdacBT->tx.tx_size) || |
| 508 | (hLdacBT->stat_alter_op == LDACBT_ALTER_OP__FLASH) || /* need to flash streams? */ |
| 509 | (( ptfbuf->used + frmlen + LDACBT_FRMHDRBYTES) >= LDACBT_ENC_STREAM_BUF_SZ ) |
| 510 | ) |
| 511 | { |
| 512 | copy_data_ldac( ptfbuf->buf, p_stream, ptfbuf->used ); |
| 513 | *stream_sz = ptfbuf->used; |
| 514 | *frame_num = ptfbuf->nfrm_in; |
| 515 | clear_data_ldac( ptfbuf->buf, sizeof(char)*LDACBT_ENC_STREAM_BUF_SZ); |
| 516 | ptfbuf->used = 0; |
| 517 | ptfbuf->nfrm_in = 0; |
| 518 | if( hLdacBT->stat_alter_op != LDACBT_ALTER_OP__NON ){ |
| 519 | /* update frame length */ |
| 520 | ldacBT_update_frmlen( hLdacBT, hLdacBT->tgt_frmlen ); |
| 521 | hLdacBT->stat_alter_op = LDACBT_ALTER_OP__NON; |
| 522 | } |
| 523 | } |
| 524 | p_ldac_transport_frame = ptfbuf->buf + ptfbuf->used; |
| 525 | |
| 526 | /* Encode Frame */ |
| 527 | if( ppcmring->nsmpl > 0 ){ |
| 528 | char *p_pcm_ring_r; |
| 529 | int nsmpl_to_clr; |
| 530 | nsmpl_to_clr = hLdacBT->frm_samples - ppcmring->nsmpl; |
| 531 | if( nsmpl_to_clr > 0 ){ |
| 532 | int pos, nBytesToZero; |
| 533 | pos = ppcmring->rp + ppcmring->nsmpl * wl * ch; |
| 534 | nBytesToZero = nsmpl_to_clr * wl * ch; |
| 535 | while( nBytesToZero > 0 ){ |
| 536 | int clearBytes; |
| 537 | clearBytes = nBytesToZero; |
| 538 | if ( pos + clearBytes >= LDACBT_ENC_PCM_BUF_SZ ){ |
| 539 | clearBytes = (LDACBT_ENC_PCM_BUF_SZ - pos); |
| 540 | } |
| 541 | clear_data_ldac( ppcmring->buf + pos, clearBytes); |
| 542 | nBytesToZero -= clearBytes; |
| 543 | if( (pos += clearBytes) >= LDACBT_ENC_PCM_BUF_SZ ){ |
| 544 | pos = 0; |
| 545 | } |
| 546 | } |
| 547 | } |
| 548 | p_pcm_ring_r = ppcmring->buf + ppcmring->rp; |
| 549 | ldacBT_prepare_pcm_encode( p_pcm_ring_r, hLdacBT->pp_pcm, hLdacBT->frm_samples, ch, fmt ); |
Chisato Kenmochi | f1540a7 | 2017-02-20 15:31:39 +0900 | [diff] [blame^] | 550 | result = ldaclib_encode(hLdacBT->hLDAC, hLdacBT->pp_pcm, (LDAC_SMPL_FMT_T)fmt, |
Chisato Kenmochi | 9470443 | 2017-01-10 11:56:48 +0900 | [diff] [blame] | 551 | p_ldac_transport_frame+LDACBT_FRMHDRBYTES, &frmlen_wrote); |
| 552 | if( !LDAC_FAILED(result) ){ |
| 553 | ppcmring->rp += hLdacBT->frm_samples * wl * ch; |
| 554 | ppcmring->nsmpl -= hLdacBT->frm_samples; |
| 555 | if( ppcmring->rp >= LDACBT_ENC_PCM_BUF_SZ ){ ppcmring->rp = 0; } |
| 556 | if( ppcmring->nsmpl < 0 ){ ppcmring->nsmpl = 0; } |
| 557 | } |
| 558 | }else{ |
Chisato Kenmochi | f1540a7 | 2017-02-20 15:31:39 +0900 | [diff] [blame^] | 559 | result = ldaclib_flush_encode(hLdacBT->hLDAC, (LDAC_SMPL_FMT_T)fmt, |
Chisato Kenmochi | 9470443 | 2017-01-10 11:56:48 +0900 | [diff] [blame] | 560 | p_ldac_transport_frame+LDACBT_FRMHDRBYTES, &frmlen_wrote); |
| 561 | hLdacBT->flg_encode_flushed = TRUE; |
| 562 | } |
| 563 | |
| 564 | if( LDAC_FAILED(result) ){ |
| 565 | hLdacBT->error_code_api = LDACBT_GET_LDACLIB_ERROR_CODE; |
| 566 | return LDACBT_E_FAIL; |
| 567 | } |
| 568 | else if( result != LDAC_S_OK ){ |
| 569 | hLdacBT->error_code_api = LDACBT_GET_LDACLIB_ERROR_CODE; |
| 570 | } |
| 571 | |
| 572 | if( frmlen_wrote > 0 ){ |
| 573 | if( hLdacBT->transport == TRUE ){ |
| 574 | /* Set Frame Header Data */ |
| 575 | clear_data_ldac( a_frm_header, LDACBT_FRMHDRBYTES+2 ); |
| 576 | /* Get Frame Header Information */ |
| 577 | result = ldaclib_get_config_info(hLdacBT->hLDAC, &hLdacBT->sfid, &hLdacBT->cci, |
| 578 | &frmlen, &frm_status); |
| 579 | if( LDAC_FAILED(result) ){ |
| 580 | hLdacBT->error_code_api = LDACBT_GET_LDACLIB_ERROR_CODE; |
| 581 | return LDACBT_E_FAIL; |
| 582 | } |
| 583 | else if (result != LDAC_S_OK) { |
| 584 | hLdacBT->error_code_api = LDACBT_GET_LDACLIB_ERROR_CODE; |
| 585 | } |
| 586 | |
| 587 | /* Set Frame Header */ |
| 588 | result = ldaclib_set_frame_header(hLdacBT->hLDAC, a_frm_header, hLdacBT->sfid, |
| 589 | hLdacBT->cci, frmlen, frm_status); |
| 590 | if( LDAC_FAILED(result) ){ |
| 591 | hLdacBT->error_code_api = LDACBT_GET_LDACLIB_ERROR_CODE; |
| 592 | return LDACBT_E_FAIL; |
| 593 | } |
| 594 | else if (result != LDAC_S_OK) { |
| 595 | hLdacBT->error_code_api = LDACBT_GET_LDACLIB_ERROR_CODE; |
| 596 | } |
| 597 | copy_data_ldac( a_frm_header, p_ldac_transport_frame, LDACBT_FRMHDRBYTES ); |
| 598 | frmlen_wrote += LDACBT_FRMHDRBYTES; |
| 599 | } |
| 600 | ptfbuf->used += frmlen_wrote; |
| 601 | ptfbuf->nfrm_in ++; |
| 602 | } |
| 603 | |
| 604 | /* check for next frame buffer status */ |
| 605 | if( *stream_sz == 0 ){ |
| 606 | if( (( ptfbuf->used + frmlen_wrote) > hLdacBT->tx.tx_size) || |
| 607 | ( ptfbuf->nfrm_in >= LDACBT_NFRM_TX_MAX ) || |
| 608 | (( ptfbuf->used + frmlen_wrote) >= LDACBT_ENC_STREAM_BUF_SZ ) || |
| 609 | ( p_pcm == NULL ) /* flush encode */ |
| 610 | ) |
| 611 | { |
| 612 | copy_data_ldac( ptfbuf->buf, p_stream, ptfbuf->used ); |
| 613 | *stream_sz = ptfbuf->used; |
| 614 | *frame_num = ptfbuf->nfrm_in; |
| 615 | clear_data_ldac( ptfbuf->buf, sizeof(char)*LDACBT_ENC_STREAM_BUF_SZ); |
| 616 | ptfbuf->used = 0; |
| 617 | ptfbuf->nfrm_in = 0; |
| 618 | if( hLdacBT->stat_alter_op != LDACBT_ALTER_OP__NON ){ |
| 619 | ldacBT_update_frmlen( hLdacBT, hLdacBT->tgt_frmlen ); |
| 620 | hLdacBT->stat_alter_op = LDACBT_ALTER_OP__NON; |
| 621 | } |
| 622 | } |
| 623 | } |
| 624 | |
| 625 | return LDACBT_S_OK; |
| 626 | } |