/******************************************************************************

 *

 * Copyright (C) 2023 The Android Open Source Project

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at:

 *

 * http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 *

 *****************************************************************************

 * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore

*/

#include <string.h>

#include "ixheaac_type_def.h"

#include "ixheaacd_mps_struct_def.h"

#include "ixheaacd_error_codes.h"

#include "ixheaacd_mps_res_rom.h"

#include "ixheaacd_mps_aac_struct.h"

#include "ixheaac_constants.h"

#include "ixheaac_basic_ops32.h"

#include "ixheaac_basic_ops40.h"

#include "ixheaacd_bitbuffer.h"

#include "ixheaacd_common_rom.h"

#include "ixheaacd_sbrdecsettings.h"

#include "ixheaacd_sbr_scale.h"

#include "ixheaacd_env_extr_part.h"

#include "ixheaacd_sbr_rom.h"

#include "ixheaacd_hybrid.h"

#include "ixheaacd_ps_dec.h"

#include "ixheaacd_mps_polyphase.h"

#include "ixheaacd_config.h"

#include "ixheaacd_qmf_dec.h"

#include "ixheaacd_mps_dec.h"

#include "ixheaacd_mps_defines.h"

#include "ixheaacd_mps_macro_def.h"

#include "ixheaacd_mps_basic_op.h"

#include "ixheaac_error_standards.h"

static VOID ixheaacd_fft32(WORD32 *vec, const WORD16 *fft_c) {

  WORD32 tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7, tmp8, tmp9, tmp10, tmp11, tmp12, tmp13,

      tmp14, tmp15;

  WORD32 temp10, temp11, temp12, temp13, temp14, temp15, temp16, temp17, temp18, temp19, temp110,

      temp111, temp112, temp113, temp114, temp115;

  WORD32 temp20, temp21, temp22, temp23, temp24, temp25, temp26, temp27, temp28, temp29, temp210,

      temp211, temp212, temp213, temp214, temp215;

  WORD32 temp30, temp31, temp32, temp33, temp34, temp35, temp36, temp37, temp38, temp39, temp310,

      temp311, temp312, temp313, temp314, temp315;

  WORD32 temp316, temp317, temp318, temp319, temp320, temp321, temp322, temp323, temp324, temp325,

      temp326, temp327, temp328, temp329, temp330, temp331;

  WORD32 temp40, temp41, temp42, temp43, temp44, temp45, temp46, temp47, temp48, temp49, temp410,

      temp411, temp412, temp413, temp414, temp415;

  temp20 = ixheaac_sub32_sat(vec[2], vec[34]);

  temp21 = ixheaac_sub32_sat(vec[3], vec[35]);

  temp30 = ixheaac_add32_sat(vec[0], vec[32]);

  temp31 = ixheaac_add32_sat(vec[1], vec[33]);

  temp32 = ixheaac_add32_sat(vec[2], vec[34]);

  temp33 = ixheaac_add32_sat(vec[3], vec[35]);

  temp22 = ixheaac_sub32_sat(vec[6], vec[38]);

  temp23 = ixheaac_sub32_sat(vec[7], vec[39]);

  temp34 = ixheaac_add32_sat(vec[4], vec[36]);

  temp35 = ixheaac_add32_sat(vec[5], vec[37]);

  temp36 = ixheaac_add32_sat(vec[6], vec[38]);

  temp37 = ixheaac_add32_sat(vec[7], vec[39]);

  temp24 = ixheaac_sub32_sat(vec[10], vec[42]);

  temp25 = ixheaac_sub32_sat(vec[11], vec[43]);

  temp38 = ixheaac_add32_sat(vec[8], vec[40]);

  temp39 = ixheaac_add32_sat(vec[9], vec[41]);

  temp310 = ixheaac_add32_sat(vec[10], vec[42]);

  temp311 = ixheaac_add32_sat(vec[11], vec[43]);

  temp26 = ixheaac_sub32_sat(vec[14], vec[46]);

  temp27 = ixheaac_sub32_sat(vec[15], vec[47]);

  temp312 = ixheaac_add32_sat(vec[12], vec[44]);

  temp313 = ixheaac_add32_sat(vec[13], vec[45]);

  temp314 = ixheaac_add32_sat(vec[14], vec[46]);

  temp315 = ixheaac_add32_sat(vec[15], vec[47]);

  temp28 = ixheaac_sub32_sat(vec[18], vec[50]);

  temp29 = ixheaac_sub32_sat(vec[19], vec[51]);

  temp316 = ixheaac_add32_sat(vec[16], vec[48]);

  temp317 = ixheaac_add32_sat(vec[17], vec[49]);

  temp318 = ixheaac_add32_sat(vec[18], vec[50]);

  temp319 = ixheaac_add32_sat(vec[19], vec[51]);

  temp210 = ixheaac_sub32_sat(vec[22], vec[54]);

  temp211 = ixheaac_sub32_sat(vec[23], vec[55]);

  temp320 = ixheaac_add32_sat(vec[20], vec[52]);

  temp321 = ixheaac_add32_sat(vec[21], vec[53]);

  temp322 = ixheaac_add32_sat(vec[22], vec[54]);

  temp323 = ixheaac_add32_sat(vec[23], vec[55]);

  temp212 = ixheaac_sub32_sat(vec[26], vec[58]);

  temp213 = ixheaac_sub32_sat(vec[27], vec[59]);

  temp324 = ixheaac_add32_sat(vec[24], vec[56]);

  temp325 = ixheaac_add32_sat(vec[25], vec[57]);

  temp326 = ixheaac_add32_sat(vec[26], vec[58]);

  temp327 = ixheaac_add32_sat(vec[27], vec[59]);

  temp214 = ixheaac_sub32_sat(vec[30], vec[62]);

  temp215 = ixheaac_sub32_sat(vec[31], vec[63]);

  temp328 = ixheaac_add32_sat(vec[28], vec[60]);

  temp329 = ixheaac_add32_sat(vec[29], vec[61]);

  temp330 = ixheaac_add32_sat(vec[30], vec[62]);

  temp331 = ixheaac_add32_sat(vec[31], vec[63]);

  temp41 = ixheaac_negate32_sat(ixheaac_add32_sat(temp20, temp214));

  temp42 = ixheaac_sub32_sat(temp20, temp214);

  temp40 = ixheaac_add32_sat(temp21, temp215);

  temp43 = ixheaac_sub32_sat(temp21, temp215);

  temp45 = ixheaac_negate32_sat(ixheaac_add32_sat(temp22, temp212));

  temp46 = ixheaac_sub32_sat(temp22, temp212);

  temp44 = ixheaac_add32_sat(temp23, temp213);

  temp47 = ixheaac_sub32_sat(temp23, temp213);

  temp49 = ixheaac_negate32_sat(ixheaac_add32_sat(temp24, temp210));

  temp410 = ixheaac_sub32_sat(temp24, temp210);

  temp48 = ixheaac_add32_sat(temp25, temp211);

  temp411 = ixheaac_sub32_sat(temp25, temp211);

  temp413 = ixheaac_negate32_sat(ixheaac_add32_sat(temp26, temp28));

  temp414 = ixheaac_sub32_sat(temp26, temp28);

  temp412 = ixheaac_add32_sat(temp27, temp29);

  temp415 = ixheaac_sub32_sat(temp27, temp29);

  temp20 = ixheaac_add32_sat(ixheaac_add32_sat(ixheaac_add32_sat(

           ixheaac_mult32x16in32_shl(temp40, fft_c[3]),

           ixheaac_mult32x16in32_shl(temp44, fft_c[2])),

           ixheaac_mult32x16in32_shl(temp48, fft_c[1])),

           ixheaac_mult32x16in32_shl(temp412, fft_c[0]));

  temp24 = ixheaac_sub32_sat(ixheaac_add32_sat(ixheaac_add32_sat(

           ixheaac_mult32x16in32_shl(temp40, fft_c[2]),

           ixheaac_mult32x16in32_shl(temp44, fft_c[0])),

           ixheaac_mult32x16in32_shl(temp48, fft_c[3])),

           ixheaac_mult32x16in32_shl(temp412, fft_c[1]));

  temp28 = ixheaac_add32_sat(ixheaac_sub32_sat(ixheaac_add32_sat(

           ixheaac_mult32x16in32_shl(temp40, fft_c[1]),

           ixheaac_mult32x16in32_shl(temp44, fft_c[3])),

           ixheaac_mult32x16in32_shl(temp48, fft_c[0])),

           ixheaac_mult32x16in32_shl(temp412, fft_c[2]));

  temp212 = ixheaac_sub32_sat(ixheaac_add32_sat(ixheaac_sub32_sat(

            ixheaac_mult32x16in32_shl(temp40, fft_c[0]),

            ixheaac_mult32x16in32_shl(temp44, fft_c[1])),

            ixheaac_mult32x16in32_shl(temp48, fft_c[2])),

            ixheaac_mult32x16in32_shl(temp412, fft_c[3]));

  temp21 = ixheaac_add32_sat(ixheaac_add32_sat(ixheaac_add32_sat(

           ixheaac_mult32x16in32_shl(temp41, fft_c[3]),

           ixheaac_mult32x16in32_shl(temp45, fft_c[2])),

           ixheaac_mult32x16in32_shl(temp49, fft_c[1])),

           ixheaac_mult32x16in32_shl(temp413, fft_c[0]));

  temp25 = ixheaac_sub32_sat(ixheaac_add32_sat(ixheaac_add32_sat(

           ixheaac_mult32x16in32_shl(temp41, fft_c[2]),

           ixheaac_mult32x16in32_shl(temp45, fft_c[0])),

           ixheaac_mult32x16in32_shl(temp49, fft_c[3])),

           ixheaac_mult32x16in32_shl(temp413, fft_c[1]));

  temp29 = ixheaac_add32_sat(ixheaac_sub32_sat(ixheaac_add32_sat(

           ixheaac_mult32x16in32_shl(temp41, fft_c[1]),

           ixheaac_mult32x16in32_shl(temp45, fft_c[3])),

           ixheaac_mult32x16in32_shl(temp49, fft_c[0])),

           ixheaac_mult32x16in32_shl(temp413, fft_c[2]));

  temp213 = ixheaac_sub32_sat(ixheaac_add32_sat(ixheaac_sub32_sat(

            ixheaac_mult32x16in32_shl(temp41, fft_c[0]),

            ixheaac_mult32x16in32_shl(temp45, fft_c[1])),

            ixheaac_mult32x16in32_shl(temp49, fft_c[2])),

            ixheaac_mult32x16in32_shl(temp413, fft_c[3]));

  temp22 = ixheaac_add32_sat(ixheaac_add32_sat(ixheaac_add32_sat(

           ixheaac_mult32x16in32_shl(temp42, fft_c[0]),

           ixheaac_mult32x16in32_shl(temp46, fft_c[1])),

           ixheaac_mult32x16in32_shl(temp410, fft_c[2])),

           ixheaac_mult32x16in32_shl(temp414, fft_c[3]));

  temp26 = ixheaac_sub32_sat(ixheaac_sub32_sat(ixheaac_sub32_sat(

           ixheaac_mult32x16in32_shl(temp42, fft_c[1]),

           ixheaac_mult32x16in32_shl(temp46, fft_c[3])),

           ixheaac_mult32x16in32_shl(temp410, fft_c[0])),

           ixheaac_mult32x16in32_shl(temp414, fft_c[2]));

  temp210 = ixheaac_add32_sat(ixheaac_add32_sat(ixheaac_sub32_sat(

            ixheaac_mult32x16in32_shl(temp42, fft_c[2]),

            ixheaac_mult32x16in32_shl(temp46, fft_c[0])),

            ixheaac_mult32x16in32_shl(temp410, fft_c[3])),

            ixheaac_mult32x16in32_shl(temp414, fft_c[1]));

  temp214 = ixheaac_sub32_sat(ixheaac_add32_sat(ixheaac_sub32_sat(

            ixheaac_mult32x16in32_shl(temp42, fft_c[3]),

            ixheaac_mult32x16in32_shl(temp46, fft_c[2])),

            ixheaac_mult32x16in32_shl(temp410, fft_c[1])),

            ixheaac_mult32x16in32_shl(temp414, fft_c[0]));

  temp23 = ixheaac_add32_sat(ixheaac_add32_sat(ixheaac_add32_sat(

           ixheaac_mult32x16in32_shl(temp43, fft_c[0]),

           ixheaac_mult32x16in32_shl(temp47, fft_c[1])),

           ixheaac_mult32x16in32_shl(temp411, fft_c[2])),

           ixheaac_mult32x16in32_shl(temp415, fft_c[3]));

  temp27 = ixheaac_sub32_sat(ixheaac_sub32_sat(ixheaac_sub32_sat(

           ixheaac_mult32x16in32_shl(temp43, fft_c[1]),

           ixheaac_mult32x16in32_shl(temp47, fft_c[3])),

           ixheaac_mult32x16in32_shl(temp411, fft_c[0])),

           ixheaac_mult32x16in32_shl(temp415, fft_c[2]));

  temp211 = ixheaac_add32_sat(ixheaac_add32_sat(ixheaac_sub32_sat(

            ixheaac_mult32x16in32_shl(temp43, fft_c[2]),

            ixheaac_mult32x16in32_shl(temp47, fft_c[0])),

            ixheaac_mult32x16in32_shl(temp411, fft_c[3])),

            ixheaac_mult32x16in32_shl(temp415, fft_c[1]));

  temp215 = ixheaac_sub32_sat(ixheaac_add32_sat(ixheaac_sub32_sat(

            ixheaac_mult32x16in32_shl(temp43, fft_c[3]),

            ixheaac_mult32x16in32_shl(temp47, fft_c[2])),

            ixheaac_mult32x16in32_shl(temp411, fft_c[1])),

            ixheaac_mult32x16in32_shl(temp415, fft_c[0]));

  temp40 = ixheaac_add32_sat(temp20, temp22);

  temp414 = ixheaac_sub32_sat(temp20, temp22);

  temp41 = ixheaac_add32_sat(temp21, temp23);

  temp415 = ixheaac_sub32_sat(temp21, temp23);

  temp42 = ixheaac_add32_sat(temp24, temp26);

  temp412 = ixheaac_sub32_sat(temp24, temp26);

  temp43 = ixheaac_add32_sat(temp25, temp27);

  temp413 = ixheaac_sub32_sat(temp25, temp27);

  temp44 = ixheaac_add32_sat(temp28, temp210);

  temp410 = ixheaac_sub32_sat(temp28, temp210);

  temp45 = ixheaac_add32_sat(temp29, temp211);

  temp411 = ixheaac_sub32_sat(temp29, temp211);

  temp46 = ixheaac_add32_sat(temp212, temp214);

  temp48 = ixheaac_sub32_sat(temp212, temp214);

  temp47 = ixheaac_add32_sat(temp213, temp215);

  temp49 = ixheaac_sub32_sat(temp213, temp215);

  temp10 = ixheaac_add32_sat(temp30, temp316);

  temp11 = ixheaac_add32_sat(temp31, temp317);

  temp12 = ixheaac_add32_sat(temp32, temp318);

  temp13 = ixheaac_add32_sat(temp33, temp319);

  temp14 = ixheaac_add32_sat(temp34, temp320);

  temp15 = ixheaac_add32_sat(temp35, temp321);

  temp16 = ixheaac_add32_sat(temp36, temp322);

  temp17 = ixheaac_add32_sat(temp37, temp323);

  temp18 = ixheaac_add32_sat(temp38, temp324);

  temp19 = ixheaac_add32_sat(temp39, temp325);

  temp110 = ixheaac_add32_sat(temp310, temp326);

  temp111 = ixheaac_add32_sat(temp311, temp327);

  temp112 = ixheaac_add32_sat(temp312, temp328);

  temp113 = ixheaac_add32_sat(temp313, temp329);

  temp114 = ixheaac_add32_sat(temp314, temp330);

  temp115 = ixheaac_add32_sat(temp315, temp331);

  tmp0 = ixheaac_add32_sat(temp10, temp18);

  tmp2 = ixheaac_sub32_sat(temp10, temp18);

  tmp1 = ixheaac_add32_sat(temp11, temp19);

  tmp3 = ixheaac_sub32_sat(temp11, temp19);

  tmp4 = ixheaac_add32_sat(temp12, temp110);

  tmp6 = ixheaac_sub32_sat(temp12, temp110);

  tmp5 = ixheaac_add32_sat(temp13, temp111);

  tmp7 = ixheaac_sub32_sat(temp13, temp111);

  tmp8 = ixheaac_add32_sat(temp14, temp112);

  tmp10 = ixheaac_sub32_sat(temp14, temp112);

  tmp9 = ixheaac_add32_sat(temp15, temp113);

  tmp11 = ixheaac_sub32_sat(temp15, temp113);

  tmp12 = ixheaac_add32_sat(temp16, temp114);

  tmp14 = ixheaac_sub32_sat(temp16, temp114);

  tmp13 = ixheaac_add32_sat(temp17, temp115);

  tmp15 = ixheaac_sub32_sat(temp17, temp115);

  temp20 = ixheaac_add32_sat(tmp0, tmp8);

  temp24 = ixheaac_sub32_sat(tmp0, tmp8);

  temp21 = ixheaac_add32_sat(tmp1, tmp9);

  temp25 = ixheaac_sub32_sat(tmp1, tmp9);

  temp28 = ixheaac_sub32_sat(tmp2, tmp11);

  temp210 = ixheaac_add32_sat(tmp2, tmp11);

  temp29 = ixheaac_add32_sat(tmp3, tmp10);

  temp211 = ixheaac_sub32_sat(tmp3, tmp10);

  temp22 = ixheaac_add32_sat(tmp4, tmp12);

  temp27 = ixheaac_sub32_sat(tmp4, tmp12);

  temp23 = ixheaac_add32_sat(tmp5, tmp13);

  temp26 = ixheaac_sub32_sat(tmp13, tmp5);

  tmp1 = ixheaac_add32_sat(tmp6, tmp14);

  tmp2 = ixheaac_sub32_sat(tmp6, tmp14);

  tmp0 = ixheaac_add32_sat(tmp7, tmp15);

  tmp3 = ixheaac_sub32_sat(tmp7, tmp15);

  temp212 = ixheaac_mult32x16in32_shl(ixheaac_add32_sat(tmp0, tmp2), INV_SQRT2_Q15);

  temp214 = ixheaac_mult32x16in32_shl(ixheaac_sub32_sat(tmp0, tmp2), INV_SQRT2_Q15);

  temp213 = ixheaac_mult32x16in32_shl(ixheaac_sub32_sat(tmp3, tmp1), INV_SQRT2_Q15);

  temp215 = ixheaac_mult32x16in32_shl(ixheaac_add32_sat(tmp1, tmp3), -INV_SQRT2_Q15);

  temp10 = ixheaac_sub32_sat(temp30, temp316);

  temp11 = ixheaac_sub32_sat(temp31, temp317);

  temp12 = ixheaac_sub32_sat(temp32, temp318);

  temp13 = ixheaac_sub32_sat(temp33, temp319);

  temp14 = ixheaac_sub32_sat(temp34, temp320);

  temp15 = ixheaac_sub32_sat(temp35, temp321);

  temp16 = ixheaac_sub32_sat(temp36, temp322);

  temp17 = ixheaac_sub32_sat(temp37, temp323);

  temp18 = ixheaac_sub32_sat(temp38, temp324);

  temp19 = ixheaac_sub32_sat(temp39, temp325);

  temp110 = ixheaac_sub32_sat(temp310, temp326);

  temp111 = ixheaac_sub32_sat(temp311, temp327);

  temp112 = ixheaac_sub32_sat(temp312, temp328);

  temp113 = ixheaac_sub32_sat(temp313, temp329);

  temp114 = ixheaac_sub32_sat(temp314, temp330);

  temp115 = ixheaac_sub32_sat(temp315, temp331);

  temp30 = ixheaac_add32_sat(temp20, temp22);

  temp316 = ixheaac_sub32_sat(temp20, temp22);

  temp31 = ixheaac_add32_sat(temp21, temp23);

  temp317 = ixheaac_sub32_sat(temp21, temp23);

  temp38 = ixheaac_sub32_sat(temp24, temp26);

  temp324 = ixheaac_add32_sat(temp24, temp26);

  temp39 = ixheaac_sub32_sat(temp25, temp27);

  temp325 = ixheaac_add32_sat(temp25, temp27);

  temp312 = ixheaac_add32_sat(temp28, temp214);

  temp328 = ixheaac_sub32_sat(temp28, temp214);

  temp313 = ixheaac_add32_sat(temp29, temp215);

  temp329 = ixheaac_sub32_sat(temp29, temp215);

  temp34 = ixheaac_add32_sat(temp210, temp212);

  temp320 = ixheaac_sub32_sat(temp210, temp212);

  temp35 = ixheaac_add32_sat(temp211, temp213);

  temp321 = ixheaac_sub32_sat(temp211, temp213);

  tmp9 = ixheaac_mult32x16in32_shl(ixheaac_add32_sat(temp12, temp114), -COS_3PI_BY_8_Q15);

  tmp10 = ixheaac_mult32x16in32_shl(ixheaac_sub32_sat(temp12, temp114), COS_PI_BY_8_Q15);

  tmp8 = ixheaac_mult32x16in32_shl(ixheaac_add32_sat(temp13, temp115), COS_3PI_BY_8_Q15);

  tmp11 = ixheaac_mult32x16in32_shl(ixheaac_sub32_sat(temp13, temp115), COS_PI_BY_8_Q15);

  tmp5 = ixheaac_mult32x16in32_shl(ixheaac_add32_sat(temp14, temp112), -INV_SQRT2_Q15);

  tmp6 = ixheaac_mult32x16in32_shl(ixheaac_sub32_sat(temp14, temp112), INV_SQRT2_Q15);

  tmp4 = ixheaac_mult32x16in32_shl(ixheaac_add32_sat(temp15, temp113), INV_SQRT2_Q15);

  tmp7 = ixheaac_mult32x16in32_shl(ixheaac_sub32_sat(temp15, temp113), INV_SQRT2_Q15);

  tmp13 = ixheaac_mult32x16in32_shl(ixheaac_add32_sat(temp16, temp110), -COS_PI_BY_8_Q15);

  tmp14 = ixheaac_mult32x16in32_shl(ixheaac_sub32_sat(temp16, temp110), COS_3PI_BY_8_Q15);

  tmp12 = ixheaac_mult32x16in32_shl(ixheaac_add32_sat(temp17, temp111), COS_PI_BY_8_Q15);

  tmp15 = ixheaac_mult32x16in32_shl(ixheaac_sub32_sat(temp17, temp111), COS_3PI_BY_8_Q15);

  temp12 = ixheaac_sub32_sat(ixheaac_shl32(ixheaac_mult32x16in32(tmp8, SQRT2PLUS1_Q13), 3),

           ixheaac_mult32x16in32_shl(tmp12, SQRT2MINUS1_Q15));

  temp13 = ixheaac_sub32_sat(ixheaac_shl32(ixheaac_mult32x16in32(tmp9, SQRT2PLUS1_Q13), 3),

           ixheaac_mult32x16in32_shl(tmp13, SQRT2MINUS1_Q15));

  temp14 = ixheaac_sub32_sat(ixheaac_mult32x16in32_shl(tmp10, SQRT2MINUS1_Q15),

           ixheaac_shl32(ixheaac_mult32x16in32(tmp14, SQRT2PLUS1_Q13), 3));

  temp15 = ixheaac_sub32_sat(ixheaac_mult32x16in32_shl(tmp11, SQRT2MINUS1_Q15),

           ixheaac_shl32(ixheaac_mult32x16in32(tmp15, SQRT2PLUS1_Q13), 3));

  tmp8 = ixheaac_add32_sat(tmp8, tmp12);

  tmp9 = ixheaac_add32_sat(tmp9, tmp13);

  tmp10 = ixheaac_add32_sat(tmp10, tmp14);

  tmp11 = ixheaac_add32_sat(tmp11, tmp15);

  temp16 = ixheaac_add32_sat(temp10, tmp4);

  temp110 = ixheaac_sub32_sat(temp10, tmp4);

  temp17 = ixheaac_add32_sat(temp11, tmp5);

  temp111 = ixheaac_sub32_sat(temp11, tmp5);

  temp112 = ixheaac_sub32_sat(tmp6, temp19);

  temp114 = ixheaac_add32_sat(tmp6, temp19);

  temp113 = ixheaac_add32_sat(temp18, tmp7);

  temp115 = ixheaac_sub32_sat(temp18, tmp7);

  tmp0 = ixheaac_sub32_sat(temp16, temp114);

  tmp2 = ixheaac_add32_sat(temp16, temp114);

  tmp1 = ixheaac_add32_sat(temp17, temp115);

  tmp3 = ixheaac_sub32_sat(temp17, temp115);

  tmp4 = ixheaac_add32_sat(temp110, temp112);

  tmp6 = ixheaac_sub32_sat(temp110, temp112);

  tmp5 = ixheaac_add32_sat(temp111, temp113);

  tmp7 = ixheaac_sub32_sat(temp111, temp113);

  temp110 = ixheaac_add32_sat(tmp8, tmp10);

  tmp10 = ixheaac_sub32_sat(tmp8, tmp10);

  temp111 = ixheaac_add32_sat(tmp9, tmp11);

  tmp11 = ixheaac_sub32_sat(tmp9, tmp11);

  tmp12 = ixheaac_add32_sat(temp12, temp14);

  tmp14 = ixheaac_sub32_sat(temp12, temp14);

  tmp13 = ixheaac_add32_sat(temp13, temp15);

  tmp15 = ixheaac_sub32_sat(temp13, temp15);

  temp32 = ixheaac_add32_sat(tmp2, temp110);

  temp318 = ixheaac_sub32_sat(tmp2, temp110);

  temp33 = ixheaac_add32_sat(tmp3, temp111);

  temp319 = ixheaac_sub32_sat(tmp3, temp111);

  temp36 = ixheaac_add32_sat(tmp0, tmp12);

  temp322 = ixheaac_sub32_sat(tmp0, tmp12);

  temp37 = ixheaac_add32_sat(tmp1, tmp13);

  temp323 = ixheaac_sub32_sat(tmp1, tmp13);

  temp314 = ixheaac_add32_sat(tmp4, tmp10);

  temp330 = ixheaac_sub32_sat(tmp4, tmp10);

  temp315 = ixheaac_add32_sat(tmp5, tmp11);

  temp331 = ixheaac_sub32_sat(tmp5, tmp11);

  temp310 = ixheaac_add32_sat(tmp6, tmp14);

  temp326 = ixheaac_sub32_sat(tmp6, tmp14);

  temp311 = ixheaac_add32_sat(tmp7, tmp15);

  temp327 = ixheaac_sub32_sat(tmp7, tmp15);

  temp10 = ixheaac_sub32_sat(vec[0], vec[32]);

  temp11 = ixheaac_sub32_sat(vec[1], vec[33]);

  temp12 = ixheaac_sub32_sat(vec[4], vec[36]);

  temp13 = ixheaac_sub32_sat(vec[5], vec[37]);

  temp14 = ixheaac_sub32_sat(vec[8], vec[40]);

  temp15 = ixheaac_sub32_sat(vec[9], vec[41]);

  temp16 = ixheaac_sub32_sat(vec[12], vec[44]);

  temp17 = ixheaac_sub32_sat(vec[13], vec[45]);

  temp18 = ixheaac_sub32_sat(vec[16], vec[48]);

  temp19 = ixheaac_sub32_sat(vec[17], vec[49]);

  temp110 = ixheaac_sub32_sat(vec[20], vec[52]);

  temp111 = ixheaac_sub32_sat(vec[21], vec[53]);

  temp112 = ixheaac_sub32_sat(vec[24], vec[56]);

  temp113 = ixheaac_sub32_sat(vec[25], vec[57]);

  temp114 = ixheaac_sub32_sat(vec[28], vec[60]);

  temp115 = ixheaac_sub32_sat(vec[29], vec[61]);

  tmp9 = ixheaac_mult32x16in32_shl(ixheaac_add32_sat(temp12, temp114), -COS_3PI_BY_8_Q15);

  tmp10 = ixheaac_mult32x16in32_shl(ixheaac_sub32_sat(temp12, temp114), COS_PI_BY_8_Q15);

  tmp8 = ixheaac_mult32x16in32_shl(ixheaac_add32_sat(temp13, temp115), COS_3PI_BY_8_Q15);

  tmp11 = ixheaac_mult32x16in32_shl(ixheaac_sub32_sat(temp13, temp115), COS_PI_BY_8_Q15);

  tmp5 = ixheaac_mult32x16in32_shl(ixheaac_add32_sat(temp14, temp112), -INV_SQRT2_Q15);

  tmp6 = ixheaac_mult32x16in32_shl(ixheaac_sub32_sat(temp14, temp112), INV_SQRT2_Q15);

  tmp4 = ixheaac_mult32x16in32_shl(ixheaac_add32_sat(temp15, temp113), INV_SQRT2_Q15);

  tmp7 = ixheaac_mult32x16in32_shl(ixheaac_sub32_sat(temp15, temp113), INV_SQRT2_Q15);

  tmp13 = ixheaac_mult32x16in32_shl(ixheaac_add32_sat(temp16, temp110), -COS_PI_BY_8_Q15);

  tmp14 = ixheaac_mult32x16in32_shl(ixheaac_sub32_sat(temp16, temp110), COS_3PI_BY_8_Q15);

  tmp12 = ixheaac_mult32x16in32_shl(ixheaac_add32_sat(temp17, temp111), COS_PI_BY_8_Q15);

  tmp15 = ixheaac_mult32x16in32_shl(ixheaac_sub32_sat(temp17, temp111), COS_3PI_BY_8_Q15);

  temp12 = ixheaac_sub32_sat(ixheaac_shl32(ixheaac_mult32x16in32(tmp8, SQRT2PLUS1_Q13), 3),

           ixheaac_mult32x16in32_shl(tmp12, SQRT2MINUS1_Q15));

  temp13 = ixheaac_sub32_sat(ixheaac_shl32(ixheaac_mult32x16in32(tmp9, SQRT2PLUS1_Q13), 3),

           ixheaac_mult32x16in32_shl(tmp13, SQRT2MINUS1_Q15));

  temp14 = ixheaac_sub32_sat(ixheaac_mult32x16in32_shl(tmp10, SQRT2MINUS1_Q15),

           ixheaac_shl32(ixheaac_mult32x16in32(tmp14, SQRT2PLUS1_Q13), 3));

  temp15 = ixheaac_sub32_sat(ixheaac_mult32x16in32_shl(tmp11, SQRT2MINUS1_Q15),

           ixheaac_shl32(ixheaac_mult32x16in32(tmp15, SQRT2PLUS1_Q13), 3));

  tmp8 = ixheaac_add32_sat(tmp8, tmp12);

  tmp9 = ixheaac_add32_sat(tmp9, tmp13);

  tmp10 = ixheaac_add32_sat(tmp10, tmp14);

  tmp11 = ixheaac_add32_sat(tmp11, tmp15);

  temp16 = ixheaac_add32_sat(temp10, tmp4);

  temp110 = ixheaac_sub32_sat(temp10, tmp4);

  temp17 = ixheaac_add32_sat(temp11, tmp5);

  temp111 = ixheaac_sub32_sat(temp11, tmp5);

  temp112 = ixheaac_sub32_sat(tmp6, temp19);

  temp114 = ixheaac_add32_sat(tmp6, temp19);

  temp113 = ixheaac_add32_sat(temp18, tmp7);

  temp115 = ixheaac_sub32_sat(temp18, tmp7);

  tmp0 = ixheaac_sub32_sat(temp16, temp114);

  tmp2 = ixheaac_add32_sat(temp16, temp114);

  tmp1 = ixheaac_add32_sat(temp17, temp115);

  tmp3 = ixheaac_sub32_sat(temp17, temp115);

  tmp4 = ixheaac_add32_sat(temp110, temp112);

  tmp6 = ixheaac_sub32_sat(temp110, temp112);

  tmp5 = ixheaac_add32_sat(temp111, temp113);

  tmp7 = ixheaac_sub32_sat(temp111, temp113);

  temp110 = ixheaac_add32_sat(tmp8, tmp10);

  tmp10 = ixheaac_sub32_sat(tmp8, tmp10);

  temp111 = ixheaac_add32_sat(tmp9, tmp11);

  tmp11 = ixheaac_sub32_sat(tmp9, tmp11);

  tmp12 = ixheaac_add32_sat(temp12, temp14);

  tmp14 = ixheaac_sub32_sat(temp12, temp14);

  tmp13 = ixheaac_add32_sat(temp13, temp15);

  tmp15 = ixheaac_sub32_sat(temp13, temp15);

  temp10 = ixheaac_add32_sat(tmp2, temp110);

  temp18 = ixheaac_sub32_sat(tmp2, temp110);

  temp11 = ixheaac_add32_sat(tmp3, temp111);

  temp19 = ixheaac_sub32_sat(tmp3, temp111);

  temp12 = ixheaac_add32_sat(tmp0, tmp12);

  temp110 = ixheaac_sub32_sat(tmp0, tmp12);

  temp13 = ixheaac_add32_sat(tmp1, tmp13);

  temp111 = ixheaac_sub32_sat(tmp1, tmp13);

  temp16 = ixheaac_add32_sat(tmp4, tmp10);

  temp114 = ixheaac_sub32_sat(tmp4, tmp10);

  temp17 = ixheaac_add32_sat(tmp5, tmp11);

  temp115 = ixheaac_sub32_sat(tmp5, tmp11);

  temp14 = ixheaac_add32_sat(tmp6, tmp14);

  temp112 = ixheaac_sub32_sat(tmp6, tmp14);

  temp15 = ixheaac_add32_sat(tmp7, tmp15);

  temp113 = ixheaac_sub32_sat(tmp7, tmp15);

  *vec++ = temp30;

  *vec++ = temp31;

  *vec++ = ixheaac_add32_sat(temp10, temp40);

  *vec++ = ixheaac_add32_sat(temp11, temp41);

  *vec++ = temp32;

  *vec++ = temp33;

  *vec++ = ixheaac_add32_sat(temp12, temp42);

  *vec++ = ixheaac_add32_sat(temp13, temp43);

  *vec++ = temp34;

  *vec++ = temp35;

  *vec++ = ixheaac_add32_sat(temp14, temp44);

  *vec++ = ixheaac_add32_sat(temp15, temp45);

  *vec++ = temp36;

  *vec++ = temp37;

  *vec++ = ixheaac_add32_sat(temp16, temp46);

  *vec++ = ixheaac_add32_sat(temp17, temp47);

  *vec++ = temp38;

  *vec++ = temp39;

  *vec++ = ixheaac_add32_sat(temp18, temp48);

  *vec++ = ixheaac_add32_sat(temp19, temp49);

  *vec++ = temp310;

  *vec++ = temp311;

  *vec++ = ixheaac_add32_sat(temp110, temp410);

  *vec++ = ixheaac_add32_sat(temp111, temp411);

  *vec++ = temp312;

  *vec++ = temp313;

  *vec++ = ixheaac_add32_sat(temp112, temp412);

  *vec++ = ixheaac_add32_sat(temp113, temp413);

  *vec++ = temp314;

  *vec++ = temp315;

  *vec++ = ixheaac_add32_sat(temp114, temp414);

  *vec++ = ixheaac_add32_sat(temp115, temp415);

  *vec++ = temp316;

  *vec++ = temp317;

  *vec++ = ixheaac_sub32_sat(temp10, temp40);

  *vec++ = ixheaac_sub32_sat(temp11, temp41);

  *vec++ = temp318;

  *vec++ = temp319;

  *vec++ = ixheaac_sub32_sat(temp12, temp42);

  *vec++ = ixheaac_sub32_sat(temp13, temp43);

  *vec++ = temp320;

  *vec++ = temp321;

  *vec++ = ixheaac_sub32_sat(temp14, temp44);

  *vec++ = ixheaac_sub32_sat(temp15, temp45);

  *vec++ = temp322;

  *vec++ = temp323;

  *vec++ = ixheaac_sub32_sat(temp16, temp46);

  *vec++ = ixheaac_sub32_sat(temp17, temp47);

  *vec++ = temp324;

  *vec++ = temp325;

  *vec++ = ixheaac_sub32_sat(temp18, temp48);

  *vec++ = ixheaac_sub32_sat(temp19, temp49);

  *vec++ = temp326;

  *vec++ = temp327;

  *vec++ = ixheaac_sub32_sat(temp110, temp410);

  *vec++ = ixheaac_sub32_sat(temp111, temp411);

  *vec++ = temp328;

  *vec++ = temp329;

  *vec++ = ixheaac_sub32_sat(temp112, temp412);

  *vec++ = ixheaac_sub32_sat(temp113, temp413);

  *vec++ = temp330;

  *vec++ = temp331;

  *vec++ = ixheaac_sub32_sat(temp114, temp414);

  *vec++ = ixheaac_sub32_sat(temp115, temp415);

}

static VOID ixheaacd_cos_mod(WORD32 *subband, ia_mps_dec_qmf_tables_struct *qmf_table_ptr) {

  WORD32 i, m;

  WORD16 wim, wre;

  WORD32 temp_1;

  const WORD16 *ptr1, *ptr2, *ptr3, *ptr4;

  WORD32 re1, im1, re2, im2;

  m = WORD_LENGTH;

  ptr1 = qmf_table_ptr->sbr_sin_twiddle;

  ptr2 = qmf_table_ptr->sbr_cos_twiddle;

  ptr3 = qmf_table_ptr->sbr_sin_twiddle + 31;

  ptr4 = qmf_table_ptr->sbr_cos_twiddle + 31;

  for (i = 0; i < 16; i++) {

    temp_1 = (i << 1);

    re1 = subband[temp_1];

    im2 = subband[temp_1 + 1];

    re2 = subband[62 - temp_1];

    im1 = subband[63 - temp_1];

    wim = *ptr1++;

    wre = *ptr2++;

    subband[temp_1] = ixheaac_add32_sat(

        ixheaac_mult32x16in32_shl(im1, wim), ixheaac_mult32x16in32_shl(re1, wre));

    subband[temp_1 + 1] = ixheaac_sub32_sat(

        ixheaac_mult32x16in32_shl(im1, wre), ixheaac_mult32x16in32_shl(re1, wim));

    wim = *ptr3--;

    wre = *ptr4--;

    subband[62 - temp_1] = ixheaac_add32_sat(

        ixheaac_mult32x16in32_shl(im2, wim), ixheaac_mult32x16in32_shl(re2, wre));

    subband[63 - temp_1] = ixheaac_sub32_sat(

        ixheaac_mult32x16in32_shl(im2, wre), ixheaac_mult32x16in32_shl(re2, wim));

  }

  ixheaacd_fft32(subband, qmf_table_ptr->fft_c);

  ptr1 = qmf_table_ptr->sbr_alt_sin_twiddle;

  ptr2 = qmf_table_ptr->sbr_alt_sin_twiddle + m;

  wim = *ptr1++;

  wre = *ptr2--;

  for (i = 0; i < 16; i++) {

    temp_1 = (i << 1);

    re1 = subband[temp_1];

    im1 = subband[temp_1 + 1];

    re2 = subband[62 - temp_1];

    im2 = subband[63 - temp_1];

    subband[temp_1] = ixheaac_add32_sat(

        ixheaac_mult32x16in32_shl(re1, wre), ixheaac_mult32x16in32_shl(im1, wim));

    subband[63 - temp_1] = ixheaac_sub32_sat(

        ixheaac_mult32x16in32_shl(re1, wim), ixheaac_mult32x16in32_shl(im1, wre));

    wim = *ptr1++;

    wre = *ptr2--;

    subband[62 - temp_1] = ixheaac_add32_sat(

        ixheaac_mult32x16in32_shl(re2, wim), ixheaac_mult32x16in32_shl(im2, wre));

    subband[temp_1 + 1] = ixheaac_sub32_sat(

        ixheaac_mult32x16in32_shl(re2, wre), ixheaac_mult32x16in32_shl(im2, wim));

  }

}

static VOID ixheaacd_sin_mod(WORD32 *subband, ia_mps_dec_qmf_tables_struct *qmf_table_ptr) {

  WORD32 i, m;

  WORD16 wre, wim;

  WORD32 temp_1;

  WORD32 re1, im1, re2, im2;

  const WORD16 *ptr1, *ptr2, *ptr3, *ptr4;

  ptr1 = qmf_table_ptr->sbr_sin_twiddle;

  ptr2 = qmf_table_ptr->sbr_cos_twiddle;

  ptr3 = qmf_table_ptr->sbr_sin_twiddle + 31;

  ptr4 = qmf_table_ptr->sbr_cos_twiddle + 31;

  m = WORD_LENGTH;

  for (i = 0; i < 16; i++) {

    temp_1 = (i << 1);

    re1 = subband[temp_1];

    im2 = subband[temp_1 + 1];

    re2 = subband[62 - temp_1];

    im1 = subband[63 - temp_1];

    wre = *ptr1++;

    wim = *ptr2++;

    subband[temp_1 + 1] = ixheaac_add32_sat(

        ixheaac_mult32x16in32_shl(im1, wim), ixheaac_mult32x16in32_shl(re1, wre));

    subband[temp_1] = ixheaac_sub32_sat(

        ixheaac_mult32x16in32_shl(im1, wre), ixheaac_mult32x16in32_shl(re1, wim));

    wre = *ptr3--;

    wim = *ptr4--;

    subband[63 - temp_1] = ixheaac_add32_sat(

        ixheaac_mult32x16in32_shl(im2, wim), ixheaac_mult32x16in32_shl(re2, wre));

    subband[62 - temp_1] = ixheaac_sub32_sat(

        ixheaac_mult32x16in32_shl(im2, wre), ixheaac_mult32x16in32_shl(re2, wim));

  }

  ixheaacd_fft32(subband, qmf_table_ptr->fft_c);

  ptr1 = qmf_table_ptr->sbr_alt_sin_twiddle;

  ptr2 = qmf_table_ptr->sbr_alt_sin_twiddle + m;

  wim = *ptr1++;

  wre = *ptr2--;

  for (i = 0; i < 16; i++) {

    temp_1 = (i << 1);

    re1 = subband[temp_1];

    im1 = subband[temp_1 + 1];

    re2 = subband[62 - temp_1];

    im2 = subband[63 - temp_1];

    subband[63 - temp_1] = ixheaac_negate32_sat(ixheaac_add32_sat(

        ixheaac_mult32x16in32_shl(re1, wre), ixheaac_mult32x16in32_shl(im1, wim)));

    subband[temp_1] = ixheaac_negate32_sat(ixheaac_sub32_sat(

        ixheaac_mult32x16in32_shl(re1, wim), ixheaac_mult32x16in32_shl(im1, wre)));

    wim = *ptr1++;

    wre = *ptr2--;

    subband[temp_1 + 1] = ixheaac_negate32_sat(ixheaac_add32_sat(

        ixheaac_mult32x16in32_shl(re2, wim), ixheaac_mult32x16in32_shl(im2, wre)));

    subband[62 - temp_1] = ixheaac_negate32_sat(ixheaac_sub32_sat(

        ixheaac_mult32x16in32_shl(re2, wre), ixheaac_mult32x16in32_shl(im2, wim)));

  }

}

static VOID ixheaacd_inverse_modulation(WORD32 *qmf_real, WORD32 *qmf_imag,

                                        ia_mps_dec_qmf_tables_struct *qmf_table_ptr) {

  WORD32 i;

  const WORD16 *ptr1, *ptr2, *ptr3, *ptr4;

  const WORD16 *fft = qmf_table_ptr->fft_c;

  WORD16 wre, wim;

  WORD32 re1, im1, re2, im2;

  WORD32 re12, im12, re22, im22;

  WORD32 temp_1;

  ptr1 = qmf_table_ptr->sbr_sin_twiddle;

  ptr2 = qmf_table_ptr->sbr_cos_twiddle;

  ptr3 = ptr1 + 31;

  ptr4 = ptr2 + 31;

  for (i = 0; i < 16; i++) {

    temp_1 = (i << 1);

    re1 = qmf_real[temp_1];

    im1 = qmf_real[63 - temp_1];

    wim = *ptr1++;

    wre = *ptr2++;

    qmf_real[temp_1] = ixheaac_add32_sat(

        ixheaac_mult32x16in32_shl(im1, wim), ixheaac_mult32x16in32_shl(re1, wre));

    re12 = qmf_imag[temp_1];

    im12 = qmf_imag[63 - temp_1];

    qmf_imag[temp_1] = ixheaac_sub32_sat(

        ixheaac_mult32x16in32_shl(im12, wim), ixheaac_mult32x16in32_shl(re12, wre));

    im2 = qmf_real[temp_1 + 1];

    qmf_real[temp_1 + 1] = ixheaac_sub32_sat(

        ixheaac_mult32x16in32_shl(im1, wre), ixheaac_mult32x16in32_shl(re1, wim));

    im22 = qmf_imag[temp_1 + 1];

    qmf_imag[temp_1 + 1] = ixheaac_add32_sat(

        ixheaac_mult32x16in32_shl(im12, wre), ixheaac_mult32x16in32_shl(re12, wim));

    wim = *ptr3--;

    wre = *ptr4--;

    re2 = qmf_real[62 - temp_1];

    qmf_real[62 - temp_1] = ixheaac_add32_sat(

        ixheaac_mult32x16in32_shl(im2, wim), ixheaac_mult32x16in32_shl(re2, wre));

    re22 = qmf_imag[62 - temp_1];

    qmf_imag[62 - temp_1] = ixheaac_sub32_sat(

        ixheaac_mult32x16in32_shl(im22, wim), ixheaac_mult32x16in32_shl(re22, wre));

    qmf_real[63 - temp_1] = ixheaac_sub32_sat(

        ixheaac_mult32x16in32_shl(im2, wre), ixheaac_mult32x16in32_shl(re2, wim));

    qmf_imag[63 - temp_1] = ixheaac_add32_sat(

        ixheaac_mult32x16in32_shl(im22, wre), ixheaac_mult32x16in32_shl(re22, wim));

  }

  ixheaacd_fft32(qmf_real, fft);

  ixheaacd_fft32(qmf_imag, fft);

  ptr1 = qmf_table_ptr->sbr_alt_sin_twiddle;

  ptr2 = ptr1 + 32;

  wim = *ptr1++;

  wre = *ptr2--;

  for (i = 0; i < 16; i++) {

    temp_1 = (i << 1);

    re1 = qmf_real[temp_1];

    im1 = qmf_real[temp_1 + 1];

    re12 = qmf_imag[temp_1];

    im12 = qmf_imag[temp_1 + 1];

    qmf_real[temp_1] = ixheaac_sub32_sat(ixheaac_mult32x16in32_shl(ixheaac_sub32_sat(

        im12, re1), wre), ixheaac_mult32x16in32_shl(ixheaac_add32_sat(im1, re12), wim));

    qmf_imag[temp_1] = ixheaac_add32_sat(ixheaac_mult32x16in32_shl((ixheaac_add32_sat(

        im12, re1)), wre), ixheaac_mult32x16in32_shl(ixheaac_sub32_sat(im1, re12), wim));

    im2 = qmf_real[63 - temp_1];

    im22 = qmf_imag[63 - temp_1];

    qmf_real[63 - temp_1] = ixheaac_sub32_sat(ixheaac_mult32x16in32_shl(ixheaac_sub32_sat(

        im1, re12), wre), ixheaac_mult32x16in32_shl(ixheaac_add32_sat(im12, re1), wim));

    qmf_imag[63 - temp_1] = ixheaac_sub32_sat(ixheaac_mult32x16in32_shl(ixheaac_sub32_sat(

        re1, im12), wim), ixheaac_mult32x16in32_shl(ixheaac_add32_sat(im1, re12), wre));

    wim = *ptr1++;

    wre = *ptr2--;

    re2 = qmf_real[62 - temp_1];

    re22 = qmf_imag[62 - temp_1];

    qmf_real[temp_1 + 1] = ixheaac_sub32_sat(ixheaac_mult32x16in32_shl(ixheaac_sub32_sat(

        im2, re22), wim), ixheaac_mult32x16in32_shl(ixheaac_add32_sat(im22, re2), wre));

    qmf_imag[temp_1 + 1] = ixheaac_sub32_sat(ixheaac_mult32x16in32_shl(ixheaac_sub32_sat(

        re2, im22), wre), ixheaac_mult32x16in32_shl(ixheaac_add32_sat(im2, re22), wim));

    qmf_real[62 - temp_1] = ixheaac_sub32_sat(ixheaac_mult32x16in32_shl(ixheaac_sub32_sat(

        im22, re2), wim), ixheaac_mult32x16in32_shl(ixheaac_add32_sat(im2, re22), wre));

    qmf_imag[62 - temp_1] = ixheaac_add32_sat(ixheaac_mult32x16in32_shl(ixheaac_add32_sat(

        re2, im22), wim), ixheaac_mult32x16in32_shl(ixheaac_sub32_sat(im2, re22), wre));

  }

}

VOID ixheaacd_calculate_syn_filt_bank_res64(ia_mps_dec_qmf_syn_filter_bank *syn, WORD32 *sr,

                                            WORD32 *si, WORD32 *time_sig, WORD32 channel,

                                            WORD32 resolution, WORD32 nr_samples,

                                            ia_mps_dec_qmf_tables_struct *qmf_table_ptr) {

  WORD32 j, k;

  WORD32 *synth_buf;

  WORD32 *syn_buf_p1, *syn_buf_p2, *syn_buf_p3;

  WORD32 val;

  const WORD32 *p_filter_1, *p_filter_6;

  const WORD32 *p_filter_2, *p_filter_7;

  const WORD32 *p_filter_3, *p_filter_8;

  const WORD32 *p_filter_4, *p_filter_9;

  const WORD32 *p_filter_5, *p_filter_10;

  WORD32 *p_sr, *p_si;

  WORD32 *sbr_qmf_states_synthesis = syn->sbr_qmf_states_synthesis;

  synth_buf = &(sbr_qmf_states_synthesis[channel * QMF_FILTER_STATE_SYN_SIZE_MPS]);

  p_sr = sr;

  p_si = si;

  for (k = 0; k < nr_samples; k++) {

    WORD32 *new_samp = p_si;

    WORD32 *new_samp2;

    ixheaacd_inverse_modulation(p_sr, p_si, qmf_table_ptr);

    p_filter_1 = syn->p_filter_syn;

    p_filter_2 = p_filter_1 + 64;

    p_filter_3 = p_filter_2 + 65;

    p_filter_4 = p_filter_3 + 65;

    p_filter_5 = p_filter_4 + 65;

    syn_buf_p1 = &synth_buf[63];

    val = *(p_sr);

    {

      WORD32 val1 = *(p_si + 63);

      syn_buf_p2 = &synth_buf[63];

      *time_sig++ = ixheaac_add32_sat(syn_buf_p1[512],

                        ixheaacd_mps_mult32_shr_30(*(p_filter_5 + 65), val));

      syn_buf_p1[512] = ixheaac_add32_sat(syn_buf_p2[448],

                            ixheaacd_mps_mult32_shr_30(*(p_filter_5 + 64), val1));

      syn_buf_p2[448] = ixheaac_add32_sat(syn_buf_p1[384],

                            ixheaacd_mps_mult32_shr_30(*p_filter_5++, val));

      syn_buf_p1[384] = ixheaac_add32_sat(syn_buf_p2[320],

                            ixheaacd_mps_mult32_shr_30(*(p_filter_4 + 64), val1));

      syn_buf_p2[320] = ixheaac_add32_sat(syn_buf_p1[256],

                            ixheaacd_mps_mult32_shr_30(*p_filter_4++, val));

      syn_buf_p1[256] = ixheaac_add32_sat(syn_buf_p2[192],

                            ixheaacd_mps_mult32_shr_30(*(p_filter_3 + 64), val1));

      syn_buf_p2[192] = ixheaac_add32_sat(syn_buf_p1[128],

                            ixheaacd_mps_mult32_shr_30(*p_filter_3++, val));

      syn_buf_p1[128] = ixheaac_add32_sat(syn_buf_p2[64],

                            ixheaacd_mps_mult32_shr_30(*(p_filter_2 + 64), val1));

      syn_buf_p2[64] = ixheaac_add32_sat(syn_buf_p1[0],

                            ixheaacd_mps_mult32_shr_30(*p_filter_2++, val));

      syn_buf_p1[0] = ixheaacd_mps_mult32_shr_30(*(p_filter_1 + 63), val1);

    }

    p_filter_6 = p_filter_1 + 62;

    p_filter_7 = p_filter_2 + 62;

    p_filter_8 = p_filter_3 + 62;

    p_filter_9 = p_filter_4 + 62;

    p_filter_10 = p_filter_5 + 62;

    time_sig += 62;

    syn_buf_p2 = synth_buf;

    syn_buf_p3 = syn_buf_p2;

    new_samp2 = p_sr + 63;

    for (j = 0; j < resolution - 1; j++) {

      *time_sig-- = ixheaac_add32_sat(syn_buf_p3[512],

                        ixheaacd_mps_mult32_shr_30(*p_filter_6--, (*new_samp2)));

      syn_buf_p3[512] = ixheaac_add32_sat(syn_buf_p2[448],

                            ixheaacd_mps_mult32_shr_30(*p_filter_5++, (*new_samp)));

      syn_buf_p2[448] = ixheaac_add32_sat(syn_buf_p3[384],

                            ixheaacd_mps_mult32_shr_30(*p_filter_7--, (*new_samp2)));

      syn_buf_p3[384] = ixheaac_add32_sat(syn_buf_p2[320],

                            ixheaacd_mps_mult32_shr_30(*p_filter_4++, (*new_samp)));

      syn_buf_p2[320] = ixheaac_add32_sat(syn_buf_p3[256],

                            ixheaacd_mps_mult32_shr_30(*p_filter_8--, (*new_samp2)));

      syn_buf_p3[256] = ixheaac_add32_sat(syn_buf_p2[192],

                            ixheaacd_mps_mult32_shr_30(*p_filter_3++, (*new_samp)));

      syn_buf_p2[192] = ixheaac_add32_sat(syn_buf_p3[128],

                            ixheaacd_mps_mult32_shr_30(*p_filter_9--, (*new_samp2)));

      syn_buf_p3[128] = ixheaac_add32_sat(syn_buf_p2[64],

                            ixheaacd_mps_mult32_shr_30(*p_filter_2++, (*new_samp)));

      syn_buf_p2[64] = ixheaac_add32_sat(syn_buf_p3[0],

                           ixheaacd_mps_mult32_shr_30(*p_filter_10--, (*new_samp2)));

      syn_buf_p3[0] = ixheaacd_mps_mult32_shr_30(*p_filter_1++, (*new_samp));

      new_samp++;

      syn_buf_p2++;

      new_samp2--;

      syn_buf_p3++;

    }

    time_sig += 64;

    p_sr += MAX_HYBRID_BANDS;

    p_si += MAX_HYBRID_BANDS;

  }

}

VOID ixheaacd_calculate_syn_filt_bank(ia_mps_dec_qmf_syn_filter_bank *syn, WORD32 *sr, WORD32 *si,

                                      WORD32 *time_sig, WORD32 channel, WORD32 resolution,

                                      WORD32 nr_samples,

                                      ia_mps_dec_qmf_tables_struct *qmf_table_ptr) {

  WORD32 j, k;

  WORD32 *synth_buf;

  WORD32 *p_sr, *p_si;

  WORD32 *buf_ptr;

  WORD32 resx2 = resolution << 1;

  WORD32 *sbr_qmf_states_synthesis = syn->sbr_qmf_states_synthesis;

  synth_buf = &(sbr_qmf_states_synthesis[channel * QMF_FILTER_STATE_SYN_SIZE_MPS]);

  p_sr = sr;

  p_si = si;

  for (k = 0; k < nr_samples; k++) {

    WORD32 *new_samp = p_si + 63;

    const WORD32 *p_filter_1 = syn->p_filter_syn;

    const WORD32 *p_filter_2 = p_filter_1 + 65;

    const WORD32 *p_filter_3 = p_filter_2 + 65;

    const WORD32 *p_filter_4 = p_filter_3 + 65;

    const WORD32 *p_filter_5 = p_filter_4 + 65;

    ixheaacd_inverse_modulation(p_sr, p_si, qmf_table_ptr);

    for (j = 0; j < resolution; j++) {

      synth_buf[j] = ixheaacd_mps_mult32_shr_30(*p_filter_1++, (*new_samp));

      synth_buf[resx2 + j] = ixheaac_add32_sat(synth_buf[resx2 + j],

                                 ixheaacd_mps_mult32_shr_30(*p_filter_2++, (*new_samp)));

      synth_buf[resx2 * 2 + j] = ixheaac_add32_sat(synth_buf[resx2 * 2 + j],

                                     ixheaacd_mps_mult32_shr_30(*p_filter_3++, (*new_samp)));

      synth_buf[resx2 * 3 + j] = ixheaac_add32_sat(synth_buf[resx2 * 3 + j],

                                     ixheaacd_mps_mult32_shr_30(*p_filter_4++, (*new_samp)));

      synth_buf[resx2 * 4 + j] = ixheaac_add32_sat(synth_buf[resx2 * 4 + j],

                                     ixheaacd_mps_mult32_shr_30(*p_filter_5++, (*new_samp)));

      new_samp--;

    }

    synth_buf[resx2 - 1] = ixheaac_add32_sat(synth_buf[resx2 - 1],

                               ixheaacd_mps_mult32_shr_30(*p_filter_1++, *p_sr));

    synth_buf[resx2 * 2 - 1] = ixheaac_add32_sat(synth_buf[resx2 * 2 - 1],

                                   ixheaacd_mps_mult32_shr_30(*p_filter_2++, *p_sr));

    synth_buf[3 * resx2 - 1] = ixheaac_add32_sat(synth_buf[3 * resx2 - 1],

                                   ixheaacd_mps_mult32_shr_30(*p_filter_3++, *p_sr));

    synth_buf[4 * resx2 - 1] = ixheaac_add32_sat(synth_buf[4 * resx2 - 1],

                                   ixheaacd_mps_mult32_shr_30(*p_filter_4++, *p_sr));

    *time_sig++ = ixheaac_add32_sat(synth_buf[5 * resx2 - 1],

                      ixheaacd_mps_mult32_shr_30(*p_filter_5++, *p_sr));

    p_filter_1 -= 2;

    p_filter_2 -= 2;

    p_filter_3 -= 2;

    p_filter_4 -= 2;

    p_filter_5 -= 2;

    new_samp = p_sr + resolution - 1;

    for (j = 0; j < resolution - 1; j++) {

      synth_buf[resolution + j] = ixheaac_add32_sat(synth_buf[resolution + j],

                                      ixheaacd_mps_mult32_shr_30(*--p_filter_5, (*new_samp)));

      synth_buf[resolution * (3) + j] =

          ixheaac_add32_sat(synth_buf[resolution * (3) + j],

              ixheaacd_mps_mult32_shr_30(*--p_filter_4, (*new_samp)));

      synth_buf[resolution * (5) + j] =

          ixheaac_add32_sat(synth_buf[resolution * (5) + j],

              ixheaacd_mps_mult32_shr_30(*--p_filter_3, (*new_samp)));

      synth_buf[resolution * (7) + j] =

          ixheaac_add32_sat(synth_buf[resolution * (7) + j],

              ixheaacd_mps_mult32_shr_30(*--p_filter_2, (*new_samp)));

      synth_buf[resolution * (9) + j] =

          ixheaac_add32_sat(synth_buf[resolution * (9) + j],

              ixheaacd_mps_mult32_shr_30(*--p_filter_1, (*new_samp)));

      new_samp--;

    }

    buf_ptr = synth_buf + 9 * resolution + resolution - 2;

    for (j = 0; j < resolution - 1; j++) {

      *time_sig++ = *buf_ptr--;

    }

    memmove((synth_buf + resolution), synth_buf, (9 * resolution) * sizeof(WORD32));

    p_sr += MAX_HYBRID_BANDS;

    p_si += MAX_HYBRID_BANDS;

  }

}

IA_ERRORCODE

ixheaacd_syn_filt_bank_init(ia_mps_dec_synthesis_interface_handle self, WORD32 resolution) {

  switch (resolution) {

    case QMF_BANDS_32:

      self->syn_filter_bank = ixheaacd_calculate_syn_filt_bank;

      break;

    case QMF_BANDS_64:

      self->syn_filter_bank = ixheaacd_calculate_syn_filt_bank_res64;

      break;

    case QMF_BANDS_128:

      self->syn_filter_bank = ixheaacd_calculate_syn_filt_bank;

      break;

    default:

      return IA_XHEAAC_MPS_DEC_INIT_NONFATAL_INVALID_QMF_BAND;

      break;

  }

  return IA_NO_ERROR;

}

static VOID ia_mps_enc_fwd_mod(WORD32 *time_in, WORD32 *r_subband, WORD32 *i_subband,

                               ia_mps_dec_qmf_tables_struct *qmf_table_ptr) {