1 2 /* ----------------------------------------------------------------------------------------------------------- 3 Software License for The Fraunhofer FDK AAC Codec Library for Android 4 5 Copyright 1995 - 2012 Fraunhofer-Gesellschaft zur Frderung der angewandten Forschung e.V. 6 All rights reserved. 7 8 1. INTRODUCTION 9 The Fraunhofer FDK AAC Codec Library for Android ("FDK AAC Codec") is software that implements 10 the MPEG Advanced Audio Coding ("AAC") encoding and decoding scheme for digital audio. 11 This FDK AAC Codec software is intended to be used on a wide variety of Android devices. 12 13 AAC's HE-AAC and HE-AAC v2 versions are regarded as today's most efficient general perceptual 14 audio codecs. AAC-ELD is considered the best-performing full-bandwidth communications codec by 15 independent studies and is widely deployed. AAC has been standardized by ISO and IEC as part 16 of the MPEG specifications. 17 18 Patent licenses for necessary patent claims for the FDK AAC Codec (including those of Fraunhofer) 19 may be obtained through Via Licensing (www.vialicensing.com) or through the respective patent owners 20 individually for the purpose of encoding or decoding bit streams in products that are compliant with 21 the ISO/IEC MPEG audio standards. Please note that most manufacturers of Android devices already license 22 these patent claims through Via Licensing or directly from the patent owners, and therefore FDK AAC Codec 23 software may already be covered under those patent licenses when it is used for those licensed purposes only. 24 25 Commercially-licensed AAC software libraries, including floating-point versions with enhanced sound quality, 26 are also available from Fraunhofer. Users are encouraged to check the Fraunhofer website for additional 27 applications information and documentation. 28 29 2. COPYRIGHT LICENSE 30 31 Redistribution and use in source and binary forms, with or without modification, are permitted without 32 payment of copyright license fees provided that you satisfy the following conditions: 33 34 You must retain the complete text of this software license in redistributions of the FDK AAC Codec or 35 your modifications thereto in source code form. 36 37 You must retain the complete text of this software license in the documentation and/or other materials 38 provided with redistributions of the FDK AAC Codec or your modifications thereto in binary form. 39 You must make available free of charge copies of the complete source code of the FDK AAC Codec and your 40 modifications thereto to recipients of copies in binary form. 41 42 The name of Fraunhofer may not be used to endorse or promote products derived from this library without 43 prior written permission. 44 45 You may not charge copyright license fees for anyone to use, copy or distribute the FDK AAC Codec 46 software or your modifications thereto. 47 48 Your modified versions of the FDK AAC Codec must carry prominent notices stating that you changed the software 49 and the date of any change. For modified versions of the FDK AAC Codec, the term 50 "Fraunhofer FDK AAC Codec Library for Android" must be replaced by the term 51 "Third-Party Modified Version of the Fraunhofer FDK AAC Codec Library for Android." 52 53 3. NO PATENT LICENSE 54 55 NO EXPRESS OR IMPLIED LICENSES TO ANY PATENT CLAIMS, including without limitation the patents of Fraunhofer, 56 ARE GRANTED BY THIS SOFTWARE LICENSE. Fraunhofer provides no warranty of patent non-infringement with 57 respect to this software. 58 59 You may use this FDK AAC Codec software or modifications thereto only for purposes that are authorized 60 by appropriate patent licenses. 61 62 4. DISCLAIMER 63 64 This FDK AAC Codec software is provided by Fraunhofer on behalf of the copyright holders and contributors 65 "AS IS" and WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, including but not limited to the implied warranties 66 of merchantability and fitness for a particular purpose. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 67 CONTRIBUTORS BE LIABLE for any direct, indirect, incidental, special, exemplary, or consequential damages, 68 including but not limited to procurement of substitute goods or services; loss of use, data, or profits, 69 or business interruption, however caused and on any theory of liability, whether in contract, strict 70 liability, or tort (including negligence), arising in any way out of the use of this software, even if 71 advised of the possibility of such damage. 72 73 5. CONTACT INFORMATION 74 75 Fraunhofer Institute for Integrated Circuits IIS 76 Attention: Audio and Multimedia Departments - FDK AAC LL 77 Am Wolfsmantel 33 78 91058 Erlangen, Germany 79 80 www.iis.fraunhofer.de/amm 81 amm-info (at) iis.fraunhofer.de 82 ----------------------------------------------------------------------------------------------------------- */ 83 84 /***************************** MPEG-4 AAC Encoder ************************** 85 86 Author(s): 87 Description: 88 89 ******************************************************************************/ 90 91 #include "tp_data.h" 92 93 #include "tpenc_lib.h" 94 #include "tpenc_asc.h" 95 #include "FDK_bitstream.h" 96 #include "genericStds.h" 97 98 #define PCE_MAX_ELEMENTS 8 99 100 /** 101 * Describe a PCE based on placed channel elements and element type sequence. 102 */ 103 typedef struct { 104 105 UCHAR num_front_channel_elements; /*!< Number of front channel elements. */ 106 UCHAR num_side_channel_elements; /*!< Number of side channel elements. */ 107 UCHAR num_back_channel_elements; /*!< Number of back channel elements. */ 108 UCHAR num_lfe_channel_elements; /*!< Number of lfe channel elements. */ 109 MP4_ELEMENT_ID el_list[PCE_MAX_ELEMENTS];/*!< List contains sequence describing the elements 110 in present channel mode. (MPEG order) */ 111 } PCE_CONFIGURATION; 112 113 114 /** 115 * Map an incoming channel mode to a existing PCE configuration entry. 116 */ 117 typedef struct { 118 119 CHANNEL_MODE channel_mode; /*!< Present channel mode. */ 120 PCE_CONFIGURATION pce_configuration; /*!< Program config element description. */ 121 122 } CHANNEL_CONFIGURATION; 123 124 125 /** 126 * \brief Table contains all supported channel modes and according PCE configuration description. 127 * 128 * The number of channel element parameter describes the kind of consecutively elements. 129 * E.g. MODE_1_2_2_2_1 means: 130 * - First 2 elements (SCE,CPE) are front channel elements. 131 * - Following element (CPE) is a side channel element. 132 * - Next element (CPE) is a back channel element. 133 * - Last element (LFE) is a lfe channel element. 134 */ 135 static const CHANNEL_CONFIGURATION pceConfigTab[] = 136 { 137 { MODE_1, { 1, 0, 0, 0, { ID_SCE, ID_NONE, ID_NONE, ID_NONE, ID_NONE, ID_NONE, ID_NONE, ID_NONE } } }, 138 { MODE_2, { 1, 0, 0, 0, { ID_CPE, ID_NONE, ID_NONE, ID_NONE, ID_NONE, ID_NONE, ID_NONE, ID_NONE } } }, 139 { MODE_1_2, { 2, 0, 0, 0, { ID_SCE, ID_CPE, ID_NONE, ID_NONE, ID_NONE, ID_NONE, ID_NONE, ID_NONE } } }, 140 { MODE_1_2_1, { 2, 0, 1, 0, { ID_SCE, ID_CPE, ID_SCE, ID_NONE, ID_NONE, ID_NONE, ID_NONE, ID_NONE } } }, 141 { MODE_1_2_2, { 2, 0, 1, 0, { ID_SCE, ID_CPE, ID_CPE, ID_NONE, ID_NONE, ID_NONE, ID_NONE, ID_NONE } } }, 142 { MODE_1_2_2_1, { 2, 0, 1, 1, { ID_SCE, ID_CPE, ID_CPE, ID_LFE, ID_NONE, ID_NONE, ID_NONE, ID_NONE } } }, 143 { MODE_1_2_2_2_1, { 2, 1, 1, 1, { ID_SCE, ID_CPE, ID_CPE, ID_CPE, ID_LFE, ID_NONE, ID_NONE, ID_NONE } } }, 144 145 { MODE_1_1, { 2, 0, 0, 0, { ID_SCE, ID_SCE, ID_NONE, ID_NONE, ID_NONE, ID_NONE, ID_NONE, ID_NONE } } }, 146 { MODE_1_1_1_1, { 2, 2, 0, 0, { ID_SCE, ID_SCE, ID_SCE, ID_SCE, ID_NONE, ID_NONE, ID_NONE, ID_NONE } } }, 147 { MODE_1_1_1_1_1_1, { 2, 2, 2, 0, { ID_SCE, ID_SCE, ID_SCE, ID_SCE, ID_SCE, ID_SCE, ID_NONE, ID_NONE } } }, 148 { MODE_1_1_1_1_1_1_1_1, { 3, 2, 3, 0, { ID_SCE, ID_SCE, ID_SCE, ID_SCE, ID_SCE, ID_SCE, ID_SCE, ID_SCE } } }, 149 150 { MODE_2_2, { 1, 0, 1, 0, { ID_CPE, ID_CPE, ID_NONE, ID_NONE, ID_NONE, ID_NONE, ID_NONE, ID_NONE } } }, 151 { MODE_2_2_2, { 1, 1, 1, 0, { ID_CPE, ID_CPE, ID_CPE, ID_NONE, ID_NONE, ID_NONE, ID_NONE, ID_NONE } } }, 152 { MODE_2_2_2_2, { 4, 0, 0, 0, { ID_CPE, ID_CPE, ID_CPE, ID_CPE, ID_NONE, ID_NONE, ID_NONE, ID_NONE } } }, 153 154 { MODE_2_1, { 1, 0, 1, 0, { ID_CPE, ID_SCE, ID_NONE, ID_NONE, ID_NONE, ID_NONE, ID_NONE, ID_NONE } } } 155 }; 156 157 158 /** 159 * \brief Get program config element description for existing channel mode. 160 * 161 * \param channel_mode Current channel mode. 162 * 163 * \return 164 * - Pointer to PCE_CONFIGURATION entry, on success. 165 * - NULL, on failure. 166 */ 167 static const PCE_CONFIGURATION* getPceEntry( 168 const CHANNEL_MODE channel_mode 169 ) 170 { 171 UINT i; 172 const PCE_CONFIGURATION *pce_config = NULL; 173 174 for (i=0; i < (sizeof(pceConfigTab)/sizeof(CHANNEL_CONFIGURATION)); i++) { 175 if (pceConfigTab[i].channel_mode == channel_mode) { 176 pce_config = &pceConfigTab[i].pce_configuration; 177 } 178 } 179 180 return pce_config; 181 } 182 183 int getChannelConfig( CHANNEL_MODE channel_mode ) 184 { 185 INT chan_config = 0; 186 187 switch(channel_mode) { 188 case MODE_1: chan_config = 1; break; 189 case MODE_2: chan_config = 2; break; 190 case MODE_1_2: chan_config = 3; break; 191 case MODE_1_2_1: chan_config = 4; break; 192 case MODE_1_2_2: chan_config = 5; break; 193 case MODE_1_2_2_1: chan_config = 6; break; 194 case MODE_1_2_2_2_1: chan_config = 7; break; 195 196 default: chan_config = 0; 197 } 198 199 return chan_config; 200 } 201 202 CHANNEL_MODE transportEnc_GetChannelMode( int noChannels ) 203 { 204 CHANNEL_MODE chMode; 205 206 if (noChannels <= 8 && noChannels > 0) 207 chMode = (CHANNEL_MODE)((noChannels == 8) ? 7 : noChannels); /* see : iso/mpeg4 v1 audio subpart1*/ 208 else 209 chMode = MODE_UNKNOWN; 210 211 return chMode; 212 } 213 214 #ifdef TP_PCE_ENABLE 215 int transportEnc_writePCE(HANDLE_FDK_BITSTREAM hBs, 216 CHANNEL_MODE channelMode, 217 INT sampleRate, 218 int instanceTagPCE, 219 int profile, 220 int matrixMixdownA, 221 int pseudoSurroundEnable, 222 UINT alignAnchor) 223 { 224 int sampleRateIndex, i; 225 const PCE_CONFIGURATION* config = NULL; 226 const MP4_ELEMENT_ID* pEl_list = NULL; 227 UCHAR cpeCnt=0, sceCnt=0, lfeCnt=0; 228 229 sampleRateIndex = getSamplingRateIndex(sampleRate); 230 if (sampleRateIndex == 15) { 231 return -1; 232 } 233 234 if ((config=getPceEntry(channelMode))==NULL) { 235 return -1; 236 } 237 238 /* Pointer to first element in element list. */ 239 pEl_list = &config->el_list[0]; 240 241 FDKwriteBits(hBs, instanceTagPCE, 4); /* Element instance tag */ 242 FDKwriteBits(hBs, profile, 2); /* Object type */ 243 FDKwriteBits(hBs, sampleRateIndex, 4); /* Sample rate index*/ 244 245 FDKwriteBits(hBs, config->num_front_channel_elements, 4); /* Front channel Elements */ 246 FDKwriteBits(hBs, config->num_side_channel_elements , 4); /* No Side Channel Elements */ 247 FDKwriteBits(hBs, config->num_back_channel_elements , 4); /* No Back channel Elements */ 248 FDKwriteBits(hBs, config->num_lfe_channel_elements , 2); /* No Lfe channel elements */ 249 250 FDKwriteBits(hBs, 0, 3); /* No assoc data elements */ 251 FDKwriteBits(hBs, 0, 4); /* No valid cc elements */ 252 FDKwriteBits(hBs, 0, 1); /* Mono mixdown present */ 253 FDKwriteBits(hBs, 0, 1); /* Stereo mixdown present */ 254 255 if ( matrixMixdownA!=0 && ((channelMode==MODE_1_2_2)||(channelMode==MODE_1_2_2_1)) ) { 256 FDKwriteBits(hBs, 1, 1); /* Matrix mixdown present */ 257 FDKwriteBits(hBs, (matrixMixdownA-1)&0x3, 2); /* matrix_mixdown_idx */ 258 FDKwriteBits(hBs, pseudoSurroundEnable&0x1, 1); /* pseudo_surround_enable */ 259 } 260 else { 261 FDKwriteBits(hBs, 0, 1); /* Matrix mixdown not present */ 262 } 263 264 for(i=0; i<config->num_front_channel_elements; i++) { 265 UCHAR isCpe = (*pEl_list++==ID_CPE) ? 1 : 0; 266 UCHAR tag = (isCpe) ? cpeCnt++ : sceCnt++; 267 FDKwriteBits(hBs, isCpe, 1); /* Front channel Elements is CPE? */ 268 FDKwriteBits(hBs, tag, 4); /* Front channel Instance Tag.*/ 269 } 270 for(i=0; i<config->num_side_channel_elements; i++) { 271 UCHAR isCpe = (*pEl_list++==ID_CPE) ? 1 : 0; 272 UCHAR tag = (isCpe) ? cpeCnt++ : sceCnt++; 273 FDKwriteBits(hBs, isCpe, 1); /* Front channel Elements is CPE? */ 274 FDKwriteBits(hBs, tag, 4); /* Front channel Instance Tag.*/ 275 } 276 for(i=0; i<config->num_back_channel_elements; i++) { 277 UCHAR isCpe = (*pEl_list++==ID_CPE) ? 1 : 0; 278 UCHAR tag = (isCpe) ? cpeCnt++ : sceCnt++; 279 FDKwriteBits(hBs, isCpe, 1); /* Front channel Elements is CPE? */ 280 FDKwriteBits(hBs, tag, 4); /* Front channel Instance Tag.*/ 281 } 282 for(i=0; i<config->num_lfe_channel_elements; i++) { 283 FDKwriteBits(hBs, lfeCnt++, 4); /* LFE channel Instance Tag. */ 284 } 285 286 /* - num_valid_cc_elements always 0. 287 - num_assoc_data_elements always 0. */ 288 289 /* Byte alignment: relative to alignAnchor 290 ADTS: align with respect to the first bit of the raw_data_block() 291 ADIF: align with respect to the first bit of the header 292 LATM: align with respect to the first bit of the ASC */ 293 FDKbyteAlign(hBs, alignAnchor); /* Alignment */ 294 295 FDKwriteBits(hBs, 0 ,8); /* Do no write any comment. */ 296 297 /* - comment_field_bytes always 0. */ 298 299 return 0; 300 } 301 302 int transportEnc_GetPCEBits(CHANNEL_MODE channelMode, 303 int matrixMixdownA, 304 int bits) 305 { 306 const PCE_CONFIGURATION* config = NULL; 307 308 if ((config=getPceEntry(channelMode))==NULL) { 309 return -1; /* unsupported channelmapping */ 310 } 311 312 bits += 4 + 2 + 4; /* Element instance tag + Object type + Sample rate index */ 313 bits += 4 + 4 + 4 + 2; /* No (front + side + back + lfe channel) elements */ 314 bits += 3 + 4; /* No (assoc data + valid cc) elements */ 315 bits += 1 + 1 + 1 ; /* Mono + Stereo + Matrix mixdown present */ 316 317 if ( matrixMixdownA!=0 && ((channelMode==MODE_1_2_2)||(channelMode==MODE_1_2_2_1)) ) { 318 bits +=3; /* matrix_mixdown_idx + pseudo_surround_enable */ 319 } 320 321 bits += (1+4) * (INT)config->num_front_channel_elements; 322 bits += (1+4) * (INT)config->num_side_channel_elements; 323 bits += (1+4) * (INT)config->num_back_channel_elements; 324 bits += (4) * (INT)config->num_lfe_channel_elements; 325 326 /* - num_valid_cc_elements always 0. 327 - num_assoc_data_elements always 0. */ 328 329 if ((bits%8) != 0) { 330 bits += (8 - (bits%8)); /* Alignment */ 331 } 332 333 bits += 8; /* Comment field bytes */ 334 335 /* - comment_field_bytes alwys 0. */ 336 337 return bits; 338 } 339 #endif /* TP_PCE_ENABLE */ 340 341 static void writeAot(HANDLE_FDK_BITSTREAM hBitstreamBuffer, AUDIO_OBJECT_TYPE aot) 342 { 343 int tmp = (int) aot; 344 345 if (tmp > 31) { 346 FDKwriteBits( hBitstreamBuffer, AOT_ESCAPE, 5 ); 347 FDKwriteBits( hBitstreamBuffer, tmp-32, 6 ); /* AudioObjectType */ 348 } else { 349 FDKwriteBits( hBitstreamBuffer, tmp, 5 ); 350 } 351 } 352 353 static void writeSampleRate(HANDLE_FDK_BITSTREAM hBitstreamBuffer, int sampleRate) 354 { 355 int sampleRateIndex = getSamplingRateIndex(sampleRate); 356 357 FDKwriteBits( hBitstreamBuffer, sampleRateIndex, 4 ); 358 if( sampleRateIndex == 15 ) { 359 FDKwriteBits( hBitstreamBuffer, sampleRate, 24 ); 360 } 361 } 362 363 #ifdef TP_GA_ENABLE 364 static 365 int transportEnc_writeGASpecificConfig( 366 HANDLE_FDK_BITSTREAM asc, 367 CODER_CONFIG *config, 368 int extFlg, 369 UINT alignAnchor 370 ) 371 { 372 int aot = config->aot; 373 int samplesPerFrame = config->samplesPerFrame; 374 375 /* start of GASpecificConfig according to ISO/IEC 14496-3 Subpart 4, 4.4.1 */ 376 FDKwriteBits( asc, ((samplesPerFrame==960 || samplesPerFrame==480)?1:0), 1); /* frameLengthFlag: 1 for a 960/480 (I)MDCT, 0 for a 1024/512 (I)MDCT*/ 377 FDKwriteBits( asc, 0, 1); /* dependsOnCoreCoder: Sampling Rate Coder Specific, see in ISO/IEC 14496-3 Subpart 4, 4.4.1 */ 378 FDKwriteBits( asc, extFlg, 1 ); /* Extension Flag: Shall be 1 for aot = 17,19,20,21,22,23 */ 379 380 /* Write PCE if channel config is not 1-7 */ 381 if (getChannelConfig(config->channelMode) == 0) { 382 transportEnc_writePCE(asc, config->channelMode, config->samplingRate, 0, 1, 0, 0, alignAnchor); 383 } 384 if (extFlg) { 385 if (aot == AOT_ER_BSAC) { 386 FDKwriteBits( asc, config->BSACnumOfSubFrame, 5 ); /* numOfSubFrame */ 387 FDKwriteBits( asc, config->BSAClayerLength, 11 ); /* layer_length */ 388 } 389 if ((aot == AOT_ER_AAC_LC) || (aot == AOT_ER_AAC_LTP) || 390 (aot == AOT_ER_AAC_SCAL) || (aot == AOT_ER_AAC_LD)) 391 { 392 FDKwriteBits( asc, (config->flags & CC_VCB11) ? 1 : 0, 1 ); /* aacSectionDataResillienceFlag */ 393 FDKwriteBits( asc, (config->flags & CC_RVLC) ? 1 : 0, 1 ); /* aacScaleFactorDataResillienceFlag */ 394 FDKwriteBits( asc, (config->flags & CC_HCR) ? 1 : 0, 1 ); /* aacSpectralDataResillienceFlag */ 395 } 396 FDKwriteBits( asc, 0, 1 ); /* extensionFlag3: reserved. Shall be '0' */ 397 } 398 return 0; 399 } 400 #endif /* TP_GA_ENABLE */ 401 402 #ifdef TP_ELD_ENABLE 403 404 static 405 int transportEnc_writeELDSpecificConfig( 406 HANDLE_FDK_BITSTREAM hBs, 407 CODER_CONFIG *config, 408 int epConfig, 409 CSTpCallBacks *cb 410 ) 411 { 412 /* ELD specific config */ 413 if (config->channelMode == MODE_1_1) { 414 return -1; 415 } 416 FDKwriteBits(hBs, (config->samplesPerFrame == 480) ? 1 : 0, 1); 417 418 FDKwriteBits(hBs, (config->flags & CC_VCB11 ) ? 1:0, 1); 419 FDKwriteBits(hBs, (config->flags & CC_RVLC ) ? 1:0, 1); 420 FDKwriteBits(hBs, (config->flags & CC_HCR ) ? 1:0, 1); 421 422 FDKwriteBits(hBs, (config->flags & CC_SBR) ? 1:0, 1); /* SBR header flag */ 423 if ( (config->flags & CC_SBR) ) { 424 FDKwriteBits(hBs, (config->samplingRate == config->extSamplingRate) ? 0:1, 1); /* Samplerate Flag */ 425 FDKwriteBits(hBs, (config->flags & CC_SBRCRC) ? 1:0, 1); /* SBR CRC flag*/ 426 427 if (cb->cbSbr != NULL) { 428 const PCE_CONFIGURATION *pPce; 429 int e; 430 431 pPce = getPceEntry(config->channelMode); 432 433 for (e=0; e<PCE_MAX_ELEMENTS && pPce->el_list[e] != ID_NONE; e++ ) { 434 if ( (pPce->el_list[e] == ID_SCE) || (pPce->el_list[e] == ID_CPE) ) { 435 cb->cbSbr(cb->cbSbrData, hBs, 0, 0, 0, config->aot, pPce->el_list[e], e); 436 } 437 } 438 } 439 } 440 441 FDKwriteBits(hBs, 0, 4); /* ELDEXT_TERM */ 442 443 return 0; 444 } 445 #endif /* TP_ELD_ENABLE */ 446 447 448 int transportEnc_writeASC ( 449 HANDLE_FDK_BITSTREAM asc, 450 CODER_CONFIG *config, 451 CSTpCallBacks *cb 452 ) 453 { 454 UINT extFlag = 0; 455 int err; 456 int epConfig = 0; 457 458 /* Required for the PCE. */ 459 UINT alignAnchor = FDKgetValidBits(asc); 460 461 /* Extension Flag: Shall be 1 for aot = 17,19,20,21,22,23,39 */ 462 switch (config->aot) { 463 case AOT_ER_AAC_LC: 464 case AOT_ER_AAC_LTP: 465 case AOT_ER_AAC_SCAL: 466 case AOT_ER_TWIN_VQ: 467 case AOT_ER_BSAC: 468 case AOT_ER_AAC_LD: 469 case AOT_ER_AAC_ELD: 470 case AOT_USAC: 471 extFlag = 1; 472 break; 473 default: 474 break; 475 } 476 477 if (config->extAOT == AOT_SBR || config->extAOT == AOT_PS) 478 writeAot(asc, config->extAOT); 479 else 480 writeAot(asc, config->aot); 481 482 { 483 writeSampleRate(asc, config->samplingRate); 484 } 485 486 /* Try to guess a reasonable channel mode if not given */ 487 if (config->channelMode == MODE_INVALID) { 488 config->channelMode = transportEnc_GetChannelMode(config->noChannels); 489 if (config->channelMode == MODE_INVALID) 490 return -1; 491 } 492 493 FDKwriteBits( asc, getChannelConfig(config->channelMode), 4 ); 494 495 if (config->extAOT == AOT_SBR || config->extAOT == AOT_PS) { 496 writeSampleRate(asc, config->extSamplingRate); 497 writeAot(asc, config->aot); 498 } 499 500 switch (config->aot) { 501 #ifdef TP_GA_ENABLE 502 case AOT_AAC_MAIN: 503 case AOT_AAC_LC: 504 case AOT_AAC_SSR: 505 case AOT_AAC_LTP: 506 case AOT_AAC_SCAL: 507 case AOT_TWIN_VQ: 508 case AOT_ER_AAC_LC: 509 case AOT_ER_AAC_LTP: 510 case AOT_ER_AAC_SCAL: 511 case AOT_ER_TWIN_VQ: 512 case AOT_ER_BSAC: 513 case AOT_ER_AAC_LD: 514 err = transportEnc_writeGASpecificConfig(asc, config, extFlag, alignAnchor); 515 if (err) 516 return err; 517 break; 518 #endif /* TP_GA_ENABLE */ 519 #ifdef TP_ELD_ENABLE 520 case AOT_ER_AAC_ELD: 521 err = transportEnc_writeELDSpecificConfig(asc, config, epConfig, cb); 522 if (err) 523 return err; 524 break; 525 #endif /* TP_ELD_ENABLE */ 526 default: 527 return -1; 528 } 529 530 switch (config->aot) { 531 case AOT_ER_AAC_LC: 532 case AOT_ER_AAC_LTP: 533 case AOT_ER_AAC_SCAL: 534 case AOT_ER_TWIN_VQ: 535 case AOT_ER_BSAC: 536 case AOT_ER_AAC_LD: 537 case AOT_ER_CELP: 538 case AOT_ER_HVXC: 539 case AOT_ER_HILN: 540 case AOT_ER_PARA: 541 case AOT_ER_AAC_ELD: 542 FDKwriteBits( asc, 0, 2 ); /* epconfig 0 */ 543 break; 544 default: 545 break; 546 } 547 548 /* Make sure all bits are sync'ed */ 549 FDKsyncCache( asc ); 550 551 return 0; 552 } 553
