Chisato Kenmochi | 9470443 | 2017-01-10 11:56:48 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2003 - 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 | #include "ldaclib.h" |
| 18 | #include "ldac.h" |
| 19 | |
| 20 | #define LDACLIB_MAJOR_VERSION 01 |
| 21 | #define LDACLIB_MINOR_VERSION 00 |
| 22 | #define LDACLIB_BRANCH_VERSION 00 |
| 23 | |
| 24 | /*************************************************************************************************** |
| 25 | Local Assert Functions |
| 26 | ***************************************************************************************************/ |
| 27 | static int ldaclib_assert_sampling_rate_index( |
| 28 | int smplrate_id) |
| 29 | { |
| 30 | if ((LDAC_SMPLRATEID_0 <= smplrate_id) && (smplrate_id < LDAC_NSMPLRATEID)) { |
| 31 | return LDAC_TRUE; |
| 32 | } |
| 33 | else { |
| 34 | return LDAC_FALSE; |
| 35 | } |
| 36 | } |
| 37 | |
| 38 | static int ldaclib_assert_supported_sampling_rate_index( |
| 39 | int smplrate_id) |
| 40 | { |
| 41 | if ((LDAC_SMPLRATEID_0 <= smplrate_id) && (smplrate_id < LDAC_NSUPSMPLRATEID)) { |
| 42 | return LDAC_TRUE; |
| 43 | } |
| 44 | else { |
| 45 | return LDAC_FALSE; |
| 46 | } |
| 47 | } |
| 48 | |
| 49 | static int ldaclib_assert_channel_config_index( |
| 50 | int chconfig_id) |
| 51 | { |
| 52 | if ((chconfig_id == LDAC_CHCONFIGID_MN) |
| 53 | || (chconfig_id == LDAC_CHCONFIGID_DL) || (chconfig_id == LDAC_CHCONFIGID_ST)) { |
| 54 | return LDAC_TRUE; |
| 55 | } |
| 56 | else { |
| 57 | return LDAC_FALSE; |
| 58 | } |
| 59 | } |
| 60 | |
| 61 | static int ldaclib_assert_channel( |
| 62 | int ch) |
| 63 | { |
| 64 | if ((ch == LDAC_CHANNEL_1CH) || (ch == LDAC_CHANNEL_2CH)) { |
| 65 | return LDAC_TRUE; |
| 66 | } |
| 67 | else { |
| 68 | return LDAC_FALSE; |
| 69 | } |
| 70 | } |
| 71 | |
| 72 | static int ldaclib_assert_frame_length( |
| 73 | int frame_length) |
| 74 | { |
| 75 | if ((0 < frame_length) && (frame_length <= LDAC_MAXNBYTES)) { |
| 76 | return LDAC_TRUE; |
| 77 | } |
| 78 | else { |
| 79 | return LDAC_FALSE; |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | static int ldaclib_assert_supported_frame_length( |
| 84 | int frame_length, |
| 85 | int chconfig_id) |
| 86 | { |
| 87 | if (chconfig_id == LDAC_CHCONFIGID_MN) { |
| 88 | if ((LDAC_MINSUPNBYTES/2 <= frame_length) && (frame_length <= LDAC_MAXSUPNBYTES/2)) { |
| 89 | return LDAC_TRUE; |
| 90 | } |
| 91 | else { |
| 92 | return LDAC_FALSE; |
| 93 | } |
| 94 | } |
| 95 | else if ((chconfig_id == LDAC_CHCONFIGID_DL) || (chconfig_id == LDAC_CHCONFIGID_ST)) { |
| 96 | if ((LDAC_MINSUPNBYTES <= frame_length) && (frame_length <= LDAC_MAXSUPNBYTES)) { |
| 97 | return LDAC_TRUE; |
| 98 | } |
| 99 | else { |
| 100 | return LDAC_FALSE; |
| 101 | } |
| 102 | } |
| 103 | else { |
| 104 | return LDAC_FALSE; |
| 105 | } |
| 106 | } |
| 107 | |
| 108 | static int ldaclib_assert_frame_status( |
| 109 | int frame_status) |
| 110 | { |
| 111 | if ((LDAC_FRMSTAT_LEV_0 <= frame_status) && (frame_status <= LDAC_FRMSTAT_LEV_3)) { |
| 112 | return LDAC_TRUE; |
| 113 | } |
| 114 | else { |
| 115 | return LDAC_FALSE; |
| 116 | } |
| 117 | } |
| 118 | |
| 119 | static int ldaclib_assert_nlnn_shift( |
| 120 | int nlnn_shift) |
| 121 | { |
| 122 | if ((-2 <= nlnn_shift) && (nlnn_shift < LDAC_NSFTSTEP-2)) { |
| 123 | return LDAC_TRUE; |
| 124 | } |
| 125 | else { |
| 126 | return LDAC_FALSE; |
| 127 | } |
| 128 | } |
| 129 | |
| 130 | static int ldaclib_assert_sample_format( |
| 131 | LDAC_SMPL_FMT_T sample_format) |
| 132 | { |
| 133 | #ifndef _32BIT_FIXED_POINT |
| 134 | if ((LDAC_SMPL_FMT_S16 <= sample_format) && (sample_format <= LDAC_SMPL_FMT_F32)) { |
| 135 | #else /* _32BIT_FIXED_POINT */ |
| 136 | if ((LDAC_SMPL_FMT_S16 <= sample_format) && (sample_format <= LDAC_SMPL_FMT_S32)) { |
| 137 | #endif /* _32BIT_FIXED_POINT */ |
| 138 | return LDAC_TRUE; |
| 139 | } |
| 140 | else { |
| 141 | return LDAC_FALSE; |
| 142 | } |
| 143 | } |
| 144 | |
| 145 | |
| 146 | /*************************************************************************************************** |
| 147 | Common API Functions |
| 148 | ***************************************************************************************************/ |
| 149 | |
| 150 | /*************************************************************************************************** |
| 151 | Get Library Version |
| 152 | ***************************************************************************************************/ |
| 153 | DECLSPEC int ldaclib_get_version(void) { |
| 154 | return (LDACLIB_MAJOR_VERSION<<16) | (LDACLIB_MINOR_VERSION<<8) | LDACLIB_BRANCH_VERSION; |
| 155 | } |
| 156 | |
| 157 | DECLSPEC int ldaclib_get_major_version(void) { |
| 158 | return LDACLIB_MAJOR_VERSION; |
| 159 | } |
| 160 | |
| 161 | DECLSPEC int ldaclib_get_minor_version(void) { |
| 162 | return LDACLIB_MINOR_VERSION; |
| 163 | } |
| 164 | |
| 165 | DECLSPEC int ldaclib_get_branch_version(void) { |
| 166 | return LDACLIB_BRANCH_VERSION; |
| 167 | } |
| 168 | |
| 169 | /*************************************************************************************************** |
| 170 | Get Basic Parameters |
| 171 | ***************************************************************************************************/ |
| 172 | DECLSPEC LDAC_RESULT ldaclib_get_sampling_rate_index( |
| 173 | int smplrate, |
| 174 | int *p_smplrate_id) |
| 175 | { |
| 176 | if (smplrate == 44100) { |
| 177 | *p_smplrate_id = LDAC_SMPLRATEID_0; |
| 178 | } |
| 179 | else if (smplrate == 48000) { |
| 180 | *p_smplrate_id = LDAC_SMPLRATEID_1; |
| 181 | } |
| 182 | else if (smplrate == 88200) { |
| 183 | *p_smplrate_id = LDAC_SMPLRATEID_2; |
| 184 | } |
| 185 | else if (smplrate == 96000) { |
| 186 | *p_smplrate_id = LDAC_SMPLRATEID_3; |
| 187 | } |
| 188 | else { |
| 189 | return LDAC_E_FAIL; |
| 190 | } |
| 191 | |
| 192 | return LDAC_S_OK; |
| 193 | } |
| 194 | |
| 195 | DECLSPEC LDAC_RESULT ldaclib_get_sampling_rate( |
| 196 | int smplrate_id, |
| 197 | int *p_smplrate) |
| 198 | { |
| 199 | if (!ldaclib_assert_sampling_rate_index(smplrate_id)) { |
| 200 | return LDAC_E_FAIL; |
| 201 | } |
| 202 | if (!ldaclib_assert_supported_sampling_rate_index(smplrate_id)) { |
| 203 | return LDAC_E_FAIL; |
| 204 | } |
| 205 | |
| 206 | *p_smplrate = ga_smplrate_ldac[smplrate_id]; |
| 207 | |
| 208 | return LDAC_S_OK; |
| 209 | } |
| 210 | |
| 211 | DECLSPEC LDAC_RESULT ldaclib_get_frame_samples( |
| 212 | int smplrate_id, |
| 213 | int *p_framesmpls) |
| 214 | { |
| 215 | if (!ldaclib_assert_sampling_rate_index(smplrate_id)) { |
| 216 | return LDAC_E_FAIL; |
| 217 | } |
| 218 | if (!ldaclib_assert_supported_sampling_rate_index(smplrate_id)) { |
| 219 | return LDAC_E_FAIL; |
| 220 | } |
| 221 | |
| 222 | *p_framesmpls = ga_framesmpls_ldac[smplrate_id]; |
| 223 | |
| 224 | return LDAC_S_OK; |
| 225 | } |
| 226 | |
| 227 | DECLSPEC LDAC_RESULT ldaclib_get_nlnn( |
| 228 | int smplrate_id, |
| 229 | int *p_nlnn) |
| 230 | { |
| 231 | if (!ldaclib_assert_sampling_rate_index(smplrate_id)) { |
| 232 | return LDAC_E_FAIL; |
| 233 | } |
| 234 | if (!ldaclib_assert_supported_sampling_rate_index(smplrate_id)) { |
| 235 | return LDAC_E_FAIL; |
| 236 | } |
| 237 | |
| 238 | *p_nlnn = ga_ln_framesmpls_ldac[smplrate_id]; |
| 239 | |
| 240 | return LDAC_S_OK; |
| 241 | } |
| 242 | |
| 243 | DECLSPEC LDAC_RESULT ldaclib_get_channel( |
| 244 | int chconfig_id, |
| 245 | int *p_ch) |
| 246 | { |
| 247 | if (!ldaclib_assert_channel_config_index(chconfig_id)) { |
| 248 | return LDAC_E_FAIL; |
| 249 | } |
| 250 | |
| 251 | *p_ch = ga_ch_ldac[chconfig_id]; |
| 252 | |
| 253 | return LDAC_S_OK; |
| 254 | } |
| 255 | |
| 256 | DECLSPEC LDAC_RESULT ldaclib_get_channel_config_index( |
| 257 | int ch, |
| 258 | int *p_chconfig_id) |
| 259 | { |
| 260 | if (!ldaclib_assert_channel(ch)) { |
| 261 | return LDAC_E_FAIL; |
| 262 | } |
| 263 | |
| 264 | *p_chconfig_id = ga_chconfig_id_ldac[ch]; |
| 265 | |
| 266 | return LDAC_S_OK; |
| 267 | } |
| 268 | |
| 269 | DECLSPEC LDAC_RESULT ldaclib_check_nlnn_shift( |
| 270 | int smplrate_id, |
| 271 | int nlnn_shift) |
| 272 | { |
| 273 | if (!ldaclib_assert_sampling_rate_index(smplrate_id)) { |
| 274 | return LDAC_E_FAIL; |
| 275 | } |
| 276 | if (!ldaclib_assert_supported_sampling_rate_index(smplrate_id)) { |
| 277 | return LDAC_E_FAIL; |
| 278 | } |
| 279 | if (!ldaclib_assert_nlnn_shift(nlnn_shift)) { |
| 280 | return LDAC_E_FAIL; |
| 281 | } |
| 282 | |
| 283 | if (gaa_nlnn_shift_ldac[smplrate_id][nlnn_shift+2] < 0) { |
| 284 | return LDAC_E_FAIL; |
| 285 | } |
| 286 | |
| 287 | return LDAC_S_OK; |
| 288 | } |
| 289 | |
| 290 | /*************************************************************************************************** |
| 291 | Get Handle |
| 292 | ***************************************************************************************************/ |
| 293 | DECLSPEC HANDLE_LDAC ldaclib_get_handle( |
| 294 | void) |
| 295 | { |
| 296 | HANDLE_LDAC hData; |
| 297 | |
| 298 | hData = (HANDLE_LDAC)malloc(sizeof(HANDLE_LDAC_STRUCT)); |
| 299 | if (hData != (HANDLE_LDAC)NULL) { |
| 300 | clear_data_ldac(hData, sizeof(HANDLE_LDAC_STRUCT)); |
| 301 | hData->sfinfo.p_mempos = (char *)NULL; |
| 302 | hData->error_code = LDAC_ERR_NONE; |
| 303 | } |
| 304 | |
| 305 | return hData; |
| 306 | } |
| 307 | |
| 308 | /*************************************************************************************************** |
| 309 | Free Handle |
| 310 | ***************************************************************************************************/ |
| 311 | DECLSPEC LDAC_RESULT ldaclib_free_handle( |
| 312 | HANDLE_LDAC hData) |
| 313 | { |
| 314 | if (hData != (HANDLE_LDAC)NULL) { |
| 315 | if (hData->sfinfo.p_mempos != (char *)NULL) { |
| 316 | return LDAC_S_OK; |
| 317 | } |
| 318 | |
| 319 | free(hData); |
| 320 | } |
| 321 | |
| 322 | return LDAC_S_OK; |
| 323 | } |
| 324 | |
| 325 | /*************************************************************************************************** |
| 326 | Set Configuration Information |
| 327 | ***************************************************************************************************/ |
| 328 | DECLSPEC LDAC_RESULT ldaclib_set_config_info( |
| 329 | HANDLE_LDAC hData, |
| 330 | int smplrate_id, |
| 331 | int chconfig_id, |
| 332 | int frame_length, |
| 333 | int frame_status) |
| 334 | { |
| 335 | CFG *p_cfg = &hData->sfinfo.cfg; |
| 336 | |
| 337 | if (!ldaclib_assert_sampling_rate_index(smplrate_id)) { |
| 338 | hData->error_code = LDAC_ERR_ASSERT_SAMPLING_RATE; |
| 339 | return LDAC_E_FAIL; |
| 340 | } |
| 341 | |
| 342 | if (!ldaclib_assert_supported_sampling_rate_index(smplrate_id)) { |
| 343 | hData->error_code = LDAC_ERR_ASSERT_SUP_SAMPLING_RATE; |
| 344 | return LDAC_E_FAIL; |
| 345 | } |
| 346 | |
| 347 | if (!ldaclib_assert_channel_config_index(chconfig_id)) { |
| 348 | hData->error_code = LDAC_ERR_ASSERT_CHANNEL_CONFIG; |
| 349 | return LDAC_E_FAIL; |
| 350 | } |
| 351 | |
| 352 | if (!ldaclib_assert_frame_length(frame_length)) { |
| 353 | hData->error_code = LDAC_ERR_ASSERT_FRAME_LENGTH; |
| 354 | return LDAC_E_FAIL; |
| 355 | } |
| 356 | |
| 357 | if (!ldaclib_assert_supported_frame_length(frame_length, chconfig_id)) { |
| 358 | hData->error_code = LDAC_ERR_ASSERT_SUP_FRAME_LENGTH; |
| 359 | return LDAC_E_FAIL; |
| 360 | } |
| 361 | |
| 362 | if (!ldaclib_assert_frame_status(frame_status)) { |
| 363 | hData->error_code = LDAC_ERR_ASSERT_FRAME_STATUS; |
| 364 | return LDAC_E_FAIL; |
| 365 | } |
| 366 | |
| 367 | p_cfg->smplrate_id = smplrate_id; |
| 368 | p_cfg->chconfig_id = chconfig_id; |
| 369 | p_cfg->frame_length = frame_length; |
| 370 | p_cfg->frame_status = frame_status; |
| 371 | |
| 372 | ldaclib_get_channel(chconfig_id, &p_cfg->ch); |
| 373 | |
| 374 | return LDAC_S_OK; |
| 375 | } |
| 376 | |
| 377 | /*************************************************************************************************** |
| 378 | Get Configuration Information |
| 379 | ***************************************************************************************************/ |
| 380 | DECLSPEC LDAC_RESULT ldaclib_get_config_info( |
| 381 | HANDLE_LDAC hData, |
| 382 | int *p_smplrate_id, |
| 383 | int *p_chconfig_id, |
| 384 | int *p_frame_length, |
| 385 | int *p_frame_status) |
| 386 | { |
| 387 | CFG *p_cfg = &hData->sfinfo.cfg; |
| 388 | |
| 389 | *p_smplrate_id = p_cfg->smplrate_id; |
| 390 | *p_chconfig_id = p_cfg->chconfig_id; |
| 391 | *p_frame_length = p_cfg->frame_length; |
| 392 | *p_frame_status = p_cfg->frame_status; |
| 393 | |
| 394 | return LDAC_S_OK; |
| 395 | } |
| 396 | |
| 397 | |
| 398 | /*************************************************************************************************** |
| 399 | Set Frame Header |
| 400 | ***************************************************************************************************/ |
| 401 | DECLSPEC LDAC_RESULT ldaclib_set_frame_header( |
| 402 | HANDLE_LDAC hData, |
| 403 | unsigned char *p_stream, |
| 404 | int smplrate_id, |
| 405 | int chconfig_id, |
| 406 | int frame_length, |
| 407 | int frame_status) |
| 408 | { |
| 409 | if (!ldaclib_assert_sampling_rate_index(smplrate_id)) { |
| 410 | hData->error_code = LDAC_ERR_ASSERT_SAMPLING_RATE; |
| 411 | return LDAC_E_FAIL; |
| 412 | } |
| 413 | |
| 414 | if (!ldaclib_assert_supported_sampling_rate_index(smplrate_id)) { |
| 415 | hData->error_code = LDAC_ERR_ASSERT_SUP_SAMPLING_RATE; |
| 416 | return LDAC_E_FAIL; |
| 417 | } |
| 418 | |
| 419 | if (!ldaclib_assert_channel_config_index(chconfig_id)) { |
| 420 | hData->error_code = LDAC_ERR_ASSERT_CHANNEL_CONFIG; |
| 421 | return LDAC_E_FAIL; |
| 422 | } |
| 423 | |
| 424 | if (!ldaclib_assert_frame_length(frame_length)) { |
| 425 | hData->error_code = LDAC_ERR_ASSERT_FRAME_LENGTH; |
| 426 | return LDAC_E_FAIL; |
| 427 | } |
| 428 | |
| 429 | if (!ldaclib_assert_supported_frame_length(frame_length, chconfig_id)) { |
| 430 | hData->error_code = LDAC_ERR_ASSERT_SUP_FRAME_LENGTH; |
| 431 | return LDAC_E_FAIL; |
| 432 | } |
| 433 | |
| 434 | if (!ldaclib_assert_frame_status(frame_status)) { |
| 435 | hData->error_code = LDAC_ERR_ASSERT_FRAME_STATUS; |
| 436 | return LDAC_E_FAIL; |
| 437 | } |
| 438 | |
| 439 | pack_frame_header_ldac(smplrate_id, chconfig_id, frame_length, frame_status, |
| 440 | (STREAM *)p_stream); |
| 441 | |
| 442 | return LDAC_S_OK; |
| 443 | } |
| 444 | |
| 445 | |
| 446 | /*************************************************************************************************** |
| 447 | Encoder API Functions |
| 448 | ***************************************************************************************************/ |
| 449 | |
| 450 | /*************************************************************************************************** |
| 451 | Get Encoder Setting |
| 452 | ***************************************************************************************************/ |
| 453 | #define LDAC_ENC_NSETTING 15 |
| 454 | #define LDAC_ENC_NPROPERTY 9 |
| 455 | |
| 456 | static const int saa_encode_setting_ldac[LDAC_ENC_NSETTING][LDAC_ENC_NPROPERTY] = { |
| 457 | {0, 512, 17, 0, 28, 44, 8, 24, 0}, |
| 458 | {0, 256, 17, 0, 28, 44, 6, 22, 0}, |
Chisato Kenmochi | 878aad2 | 2017-02-28 13:55:31 +0900 | [diff] [blame] | 459 | #ifdef MODIFY_LDAC_ENC_SETTING_FOR_ABR_DEBUG // See file "ldacBT_abr.h" for description |
| 460 | {0, 164, 16, 0, 18, 32, 7, 23, 0}, |
| 461 | {0, 110, 8, 0, 16, 32, 10, 31, 0}, |
| 462 | {0, 82, 6, 0, 16, 32, 12, 31, 0}, |
| 463 | {0, 66, 4, 0, 14, 26, 12, 31, 0}, |
| 464 | {0, 54, 2, 0, 14, 26, 12, 31, 0}, |
| 465 | {0, 46, 2, 1, 10, 26, 12, 31, 0}, |
| 466 | {0, 40, 2, 2, 10, 26, 12, 31, 0}, |
| 467 | {0, 36, 2, 2, 8, 26, 12, 31, 0}, |
| 468 | {0, 32, 2, 2, 8, 26, 16, 31, 0}, |
| 469 | {0, 30, 2, 2, 4, 26, 16, 31, 0}, |
| 470 | {0, 26, 2, 3, 4, 26, 16, 31, 0}, |
| 471 | {0, 24, 2, 3, 4, 26, 16, 31, 0}, |
| 472 | #else |
Chisato Kenmochi | 9470443 | 2017-01-10 11:56:48 +0900 | [diff] [blame] | 473 | {0, 164, 16, 0, 18, 32, 7, 23, 0}, |
| 474 | {0, 110, 13, 0, 16, 32, 10, 31, 0}, |
| 475 | {0, 82, 12, 0, 16, 32, 12, 31, 0}, |
| 476 | {0, 66, 11, 0, 14, 26, 12, 31, 0}, |
| 477 | {0, 54, 10, 0, 14, 26, 12, 31, 0}, |
| 478 | {0, 46, 9, 1, 10, 26, 12, 31, 0}, |
| 479 | {0, 40, 8, 2, 10, 26, 12, 31, 0}, |
| 480 | {0, 36, 7, 2, 8, 26, 12, 31, 0}, |
| 481 | {0, 32, 6, 2, 8, 26, 16, 31, 0}, |
| 482 | {0, 30, 5, 2, 4, 26, 16, 31, 0}, |
| 483 | {0, 26, 4, 3, 4, 26, 16, 31, 0}, |
| 484 | {0, 24, 3, 3, 4, 26, 16, 31, 0}, |
Chisato Kenmochi | 878aad2 | 2017-02-28 13:55:31 +0900 | [diff] [blame] | 485 | #endif |
Chisato Kenmochi | 9470443 | 2017-01-10 11:56:48 +0900 | [diff] [blame] | 486 | {0, 22, 2, 3, 4, 26, 16, 31, 0}, |
| 487 | }; |
| 488 | |
| 489 | DECLSPEC LDAC_RESULT ldaclib_get_encode_setting( |
| 490 | int nbytes_ch, |
| 491 | int smplrate_id, |
| 492 | int *p_nbands, |
| 493 | int *p_grad_mode, |
| 494 | int *p_grad_qu_l, |
| 495 | int *p_grad_qu_h, |
| 496 | int *p_grad_os_l, |
| 497 | int *p_grad_os_h, |
| 498 | int *p_abc_status) |
| 499 | { |
| 500 | int i, id; |
| 501 | |
| 502 | id = LDAC_ENC_NSETTING-1; |
| 503 | for (i = LDAC_ENC_NSETTING-1; i >= 0; i--) { |
| 504 | if (nbytes_ch >= saa_encode_setting_ldac[i][1]) { |
| 505 | id = i; |
| 506 | } |
| 507 | } |
| 508 | |
| 509 | *p_nbands = min_ldac(saa_encode_setting_ldac[id][2], ga_max_nbands_ldac[smplrate_id]); |
| 510 | *p_grad_mode = saa_encode_setting_ldac[id][3]; |
| 511 | *p_grad_qu_l = saa_encode_setting_ldac[id][4]; |
| 512 | *p_grad_qu_h = saa_encode_setting_ldac[id][5]; |
| 513 | *p_grad_os_l = saa_encode_setting_ldac[id][6]; |
| 514 | *p_grad_os_h = saa_encode_setting_ldac[id][7]; |
| 515 | *p_abc_status = saa_encode_setting_ldac[id][8]; |
| 516 | |
| 517 | return LDAC_S_OK; |
| 518 | } |
| 519 | |
| 520 | /*************************************************************************************************** |
| 521 | Set Frame Length |
| 522 | ***************************************************************************************************/ |
| 523 | DECLSPEC LDAC_RESULT ldaclib_set_encode_frame_length( |
| 524 | HANDLE_LDAC hData, |
| 525 | int frame_length) |
| 526 | { |
| 527 | CFG *p_cfg = &hData->sfinfo.cfg; |
| 528 | |
| 529 | if (!ldaclib_assert_frame_length(frame_length)) { |
| 530 | hData->error_code = LDAC_ERR_ASSERT_FRAME_LENGTH; |
| 531 | return LDAC_E_FAIL; |
| 532 | } |
| 533 | |
| 534 | if (!ldaclib_assert_supported_frame_length(frame_length, p_cfg->chconfig_id)) { |
| 535 | hData->error_code = LDAC_ERR_ASSERT_SUP_FRAME_LENGTH; |
| 536 | return LDAC_E_FAIL; |
| 537 | } |
| 538 | |
| 539 | p_cfg->frame_length = frame_length; |
| 540 | |
| 541 | calc_initial_bits_ldac(&hData->sfinfo); |
| 542 | |
| 543 | return LDAC_S_OK; |
| 544 | } |
| 545 | |
| 546 | /*************************************************************************************************** |
| 547 | Get Frame Length |
| 548 | ***************************************************************************************************/ |
| 549 | DECLSPEC LDAC_RESULT ldaclib_get_encode_frame_length( |
| 550 | HANDLE_LDAC hData, |
| 551 | int *p_frame_length) |
| 552 | { |
| 553 | CFG *p_cfg = &hData->sfinfo.cfg; |
| 554 | |
| 555 | *p_frame_length = p_cfg->frame_length; |
| 556 | |
| 557 | return LDAC_S_OK; |
| 558 | } |
| 559 | |
| 560 | /*************************************************************************************************** |
| 561 | Set Information |
| 562 | ***************************************************************************************************/ |
| 563 | DECLSPEC LDAC_RESULT ldaclib_set_encode_info( |
| 564 | HANDLE_LDAC hData, |
| 565 | int nbands, |
| 566 | int grad_mode, |
| 567 | int grad_qu_l, |
| 568 | int grad_qu_h, |
| 569 | int grad_os_l, |
| 570 | int grad_os_h, |
| 571 | int abc_status) |
| 572 | { |
| 573 | if ((nbands < LDAC_BAND_OFFSET) || |
| 574 | (ga_max_nbands_ldac[hData->sfinfo.cfg.smplrate_id] < nbands)) { |
| 575 | hData->error_code = LDAC_ERR_ENC_ILL_NBANDS; |
| 576 | return LDAC_E_FAIL; |
| 577 | } |
| 578 | |
| 579 | if ((grad_mode < LDAC_MODE_0) || (LDAC_MODE_3 < grad_mode)) { |
| 580 | hData->error_code = LDAC_ERR_ENC_ILL_GRADMODE; |
| 581 | return LDAC_E_FAIL; |
| 582 | } |
| 583 | |
| 584 | if (grad_mode == LDAC_MODE_0) { |
| 585 | if ((grad_qu_l < 0) || (LDAC_MAXGRADQU <= grad_qu_l)) { |
| 586 | hData->error_code = LDAC_ERR_ENC_ILL_GRADPAR_A; |
| 587 | return LDAC_E_FAIL; |
| 588 | } |
| 589 | |
| 590 | if ((grad_qu_h < 1) || (LDAC_MAXGRADQU+1 <= grad_qu_h) || (grad_qu_h < grad_qu_l)) { |
| 591 | hData->error_code = LDAC_ERR_ENC_ILL_GRADPAR_B; |
| 592 | return LDAC_E_FAIL; |
| 593 | } |
| 594 | |
| 595 | if ((grad_os_h < 0) || (LDAC_NIDSF <= grad_os_h)) { |
| 596 | hData->error_code = LDAC_ERR_ENC_ILL_GRADPAR_C; |
| 597 | return LDAC_E_FAIL; |
| 598 | } |
| 599 | } |
| 600 | else { |
| 601 | if ((grad_qu_l < 0) || (LDAC_DEFGRADQUH < grad_qu_l)) { |
| 602 | hData->error_code = LDAC_ERR_ENC_ILL_GRADPAR_A; |
| 603 | return LDAC_E_FAIL; |
| 604 | } |
| 605 | } |
| 606 | |
| 607 | if ((grad_os_l < 0) || (LDAC_NIDSF <= grad_os_l)) { |
| 608 | hData->error_code = LDAC_ERR_ENC_ILL_GRADPAR_D; |
| 609 | return LDAC_E_FAIL; |
| 610 | } |
| 611 | |
| 612 | hData->nbands = nbands; |
| 613 | hData->grad_mode = grad_mode; |
| 614 | hData->grad_qu_l = grad_qu_l; |
| 615 | hData->grad_os_l = grad_os_l; |
| 616 | if (grad_mode == LDAC_MODE_0) { |
| 617 | hData->grad_qu_h = grad_qu_h; |
| 618 | hData->grad_os_h = grad_os_h; |
| 619 | } |
| 620 | else { |
| 621 | hData->grad_qu_h = LDAC_DEFGRADQUH; |
| 622 | hData->grad_os_h = LDAC_DEFGRADOSH; |
| 623 | } |
| 624 | hData->abc_status = abc_status; |
| 625 | |
| 626 | return LDAC_S_OK; |
| 627 | } |
| 628 | |
| 629 | /*************************************************************************************************** |
| 630 | Initialize |
| 631 | ***************************************************************************************************/ |
| 632 | DECLSPEC LDAC_RESULT ldaclib_init_encode( |
| 633 | HANDLE_LDAC hData) |
| 634 | { |
| 635 | SFINFO *p_sfinfo = &hData->sfinfo; |
| 636 | LDAC_RESULT result; |
| 637 | |
| 638 | |
| 639 | ldaclib_get_nlnn(p_sfinfo->cfg.smplrate_id, &hData->nlnn); |
| 640 | |
| 641 | set_mdct_table_ldac(hData->nlnn); |
| 642 | |
| 643 | result = init_encode_ldac(p_sfinfo); |
| 644 | if (result != LDAC_S_OK) { |
| 645 | hData->error_code = LDAC_ERR_ENC_INIT_ALLOC; |
| 646 | return LDAC_E_FAIL; |
| 647 | } |
| 648 | |
| 649 | return LDAC_S_OK; |
| 650 | } |
| 651 | |
| 652 | /*************************************************************************************************** |
| 653 | Free |
| 654 | ***************************************************************************************************/ |
| 655 | DECLSPEC LDAC_RESULT ldaclib_free_encode( |
| 656 | HANDLE_LDAC hData) |
| 657 | { |
| 658 | if (hData->sfinfo.p_mempos == NULL) { |
| 659 | free_encode_ldac(&hData->sfinfo); |
| 660 | } |
| 661 | |
| 662 | return LDAC_S_OK; |
| 663 | } |
| 664 | |
| 665 | /*************************************************************************************************** |
| 666 | Encode |
| 667 | ***************************************************************************************************/ |
| 668 | DECLSPEC LDAC_RESULT ldaclib_encode( |
| 669 | HANDLE_LDAC hData, |
| 670 | char *ap_pcm[], |
| 671 | LDAC_SMPL_FMT_T sample_format, |
| 672 | unsigned char *p_stream, |
| 673 | int *p_nbytes_used) |
| 674 | { |
| 675 | SFINFO *p_sfinfo = &hData->sfinfo; |
| 676 | int loc = 0; |
| 677 | int error_code; |
| 678 | int frame_length; |
| 679 | |
| 680 | |
| 681 | if (!ldaclib_assert_sample_format(sample_format)) { |
| 682 | hData->error_code = LDAC_ERR_ILL_SMPL_FORMAT; |
| 683 | return LDAC_E_FAIL; |
| 684 | } |
| 685 | |
| 686 | frame_length = p_sfinfo->cfg.frame_length; |
| 687 | clear_data_ldac(p_stream, frame_length*sizeof(unsigned char)); |
| 688 | |
| 689 | set_input_pcm_ldac(p_sfinfo, ap_pcm, sample_format, hData->nlnn); |
| 690 | |
| 691 | proc_mdct_ldac(p_sfinfo, hData->nlnn); |
| 692 | |
| 693 | p_sfinfo->cfg.frame_status = ana_frame_status_ldac(p_sfinfo, hData->nlnn); |
| 694 | |
| 695 | error_code = encode_ldac(p_sfinfo, hData->nbands, hData->grad_mode, |
| 696 | hData->grad_qu_l, hData->grad_qu_h, hData->grad_os_l, hData->grad_os_h, |
| 697 | hData->abc_status); |
| 698 | if (LDAC_ERROR(error_code) && !LDAC_FATAL_ERROR(error_code)) { |
| 699 | int error_code2; |
| 700 | error_code2 = pack_null_data_frame_ldac(p_sfinfo, (STREAM *)p_stream, &loc, p_nbytes_used); |
| 701 | if (LDAC_FATAL_ERROR(error_code2)) { |
| 702 | clear_data_ldac(p_stream, frame_length*sizeof(unsigned char)); |
| 703 | hData->error_code = error_code2; |
| 704 | return LDAC_E_FAIL; |
| 705 | } |
| 706 | hData->error_code = error_code; |
| 707 | return LDAC_S_FALSE; |
| 708 | } |
| 709 | |
| 710 | error_code = pack_raw_data_frame_ldac(p_sfinfo, (STREAM *)p_stream, &loc, p_nbytes_used); |
| 711 | if (LDAC_FATAL_ERROR(error_code)) { |
| 712 | int error_code2; |
| 713 | loc = 0; |
| 714 | clear_data_ldac(p_stream, frame_length*sizeof(unsigned char)); |
| 715 | error_code2 = pack_null_data_frame_ldac(p_sfinfo, (STREAM *)p_stream, &loc, p_nbytes_used); |
| 716 | if (LDAC_FATAL_ERROR(error_code2)) { |
| 717 | clear_data_ldac(p_stream, frame_length*sizeof(unsigned char)); |
| 718 | hData->error_code = error_code2; |
| 719 | return LDAC_E_FAIL; |
| 720 | } |
| 721 | hData->error_code = error_code; |
| 722 | return LDAC_E_FAIL; |
| 723 | } |
| 724 | |
| 725 | return LDAC_S_OK; |
| 726 | } |
| 727 | |
| 728 | /*************************************************************************************************** |
| 729 | Flush Encode |
| 730 | ***************************************************************************************************/ |
| 731 | DECLSPEC LDAC_RESULT ldaclib_flush_encode( |
| 732 | HANDLE_LDAC hData, |
| 733 | LDAC_SMPL_FMT_T sample_format, |
| 734 | unsigned char *p_stream, |
| 735 | int *p_nbytes_used) |
| 736 | { |
| 737 | LDAC_RESULT result; |
| 738 | int ich; |
| 739 | char *ap_buf[LDAC_PRCNCH]; |
| 740 | int a_buf[LDAC_MAXLSU*LDAC_PRCNCH]; |
| 741 | |
| 742 | if (!ldaclib_assert_sample_format(sample_format)) { |
| 743 | hData->error_code = LDAC_ERR_ILL_SMPL_FORMAT; |
| 744 | return LDAC_E_FAIL; |
| 745 | } |
| 746 | |
| 747 | clear_data_ldac(a_buf, (LDAC_MAXLSU*LDAC_PRCNCH)*sizeof(int)); |
| 748 | |
| 749 | for (ich = 0; ich < LDAC_PRCNCH; ich++) { |
| 750 | ap_buf[ich] = (char *)(a_buf + ich * LDAC_MAXLSU); |
| 751 | } |
| 752 | |
| 753 | result = ldaclib_encode(hData, ap_buf, sample_format, p_stream, p_nbytes_used); |
| 754 | |
| 755 | return result; |
| 756 | } |
| 757 | |
| 758 | |
| 759 | |
| 760 | |
| 761 | /*************************************************************************************************** |
| 762 | Error Code Dispatch |
| 763 | ***************************************************************************************************/ |
| 764 | |
| 765 | /*************************************************************************************************** |
| 766 | Clear Error Code at Handle Level |
| 767 | ***************************************************************************************************/ |
| 768 | DECLSPEC LDAC_RESULT ldaclib_clear_error_code( |
| 769 | HANDLE_LDAC hData) |
| 770 | { |
| 771 | hData->error_code = LDAC_ERR_NONE; |
| 772 | |
| 773 | return LDAC_S_OK; |
| 774 | } |
| 775 | |
| 776 | /*************************************************************************************************** |
| 777 | Get Error Code at Handle Level |
| 778 | ***************************************************************************************************/ |
| 779 | DECLSPEC LDAC_RESULT ldaclib_get_error_code( |
| 780 | HANDLE_LDAC hData, |
| 781 | int *p_error_code) |
| 782 | { |
| 783 | *p_error_code = hData->error_code; |
| 784 | |
| 785 | return LDAC_S_OK; |
| 786 | } |
| 787 | |
| 788 | /*************************************************************************************************** |
| 789 | Clear Error Code at Internal Block Level |
| 790 | ***************************************************************************************************/ |
| 791 | DECLSPEC LDAC_RESULT ldaclib_clear_internal_error_code( |
| 792 | HANDLE_LDAC hData) |
| 793 | { |
| 794 | hData->sfinfo.error_code = LDAC_ERR_NONE; |
| 795 | |
| 796 | return LDAC_S_OK; |
| 797 | } |
| 798 | |
| 799 | /*************************************************************************************************** |
| 800 | Get Error Code at Internal Block Level |
| 801 | ***************************************************************************************************/ |
| 802 | DECLSPEC LDAC_RESULT ldaclib_get_internal_error_code( |
| 803 | HANDLE_LDAC hData, |
| 804 | int *p_error_code) |
| 805 | { |
| 806 | *p_error_code = hData->sfinfo.error_code; |
| 807 | |
| 808 | return LDAC_S_OK; |
| 809 | } |
| 810 | |