diff options
Diffstat (limited to 'decoder/ixheaacd_mps_polyphase.c')
| -rw-r--r-- | decoder/ixheaacd_mps_polyphase.c | 1182 |
1 files changed, 1182 insertions, 0 deletions
diff --git a/decoder/ixheaacd_mps_polyphase.c b/decoder/ixheaacd_mps_polyphase.c new file mode 100644 index 0000000..62aae1d --- /dev/null +++ b/decoder/ixheaacd_mps_polyphase.c @@ -0,0 +1,1182 @@ +/****************************************************************************** + * + * 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 "ixheaacd_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 "ixheaacd_constants.h" +#include "ixheaacd_basic_ops32.h" +#include "ixheaacd_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 "ixheaacd_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 = ixheaacd_sub32_sat(vec[2], vec[34]); + temp21 = ixheaacd_sub32_sat(vec[3], vec[35]); + temp30 = ixheaacd_add32_sat(vec[0], vec[32]); + temp31 = ixheaacd_add32_sat(vec[1], vec[33]); + temp32 = ixheaacd_add32_sat(vec[2], vec[34]); + temp33 = ixheaacd_add32_sat(vec[3], vec[35]); + + temp22 = ixheaacd_sub32_sat(vec[6], vec[38]); + temp23 = ixheaacd_sub32_sat(vec[7], vec[39]); + temp34 = ixheaacd_add32_sat(vec[4], vec[36]); + temp35 = ixheaacd_add32_sat(vec[5], vec[37]); + temp36 = ixheaacd_add32_sat(vec[6], vec[38]); + temp37 = ixheaacd_add32_sat(vec[7], vec[39]); + + temp24 = ixheaacd_sub32_sat(vec[10], vec[42]); + temp25 = ixheaacd_sub32_sat(vec[11], vec[43]); + temp38 = ixheaacd_add32_sat(vec[8], vec[40]); + temp39 = ixheaacd_add32_sat(vec[9], vec[41]); + temp310 = ixheaacd_add32_sat(vec[10], vec[42]); + temp311 = ixheaacd_add32_sat(vec[11], vec[43]); + + temp26 = ixheaacd_sub32_sat(vec[14], vec[46]); + temp27 = ixheaacd_sub32_sat(vec[15], vec[47]); + temp312 = ixheaacd_add32_sat(vec[12], vec[44]); + temp313 = ixheaacd_add32_sat(vec[13], vec[45]); + temp314 = ixheaacd_add32_sat(vec[14], vec[46]); + temp315 = ixheaacd_add32_sat(vec[15], vec[47]); + + temp28 = ixheaacd_sub32_sat(vec[18], vec[50]); + temp29 = ixheaacd_sub32_sat(vec[19], vec[51]); + temp316 = ixheaacd_add32_sat(vec[16], vec[48]); + temp317 = ixheaacd_add32_sat(vec[17], vec[49]); + temp318 = ixheaacd_add32_sat(vec[18], vec[50]); + temp319 = ixheaacd_add32_sat(vec[19], vec[51]); + + temp210 = ixheaacd_sub32_sat(vec[22], vec[54]); + temp211 = ixheaacd_sub32_sat(vec[23], vec[55]); + temp320 = ixheaacd_add32_sat(vec[20], vec[52]); + temp321 = ixheaacd_add32_sat(vec[21], vec[53]); + temp322 = ixheaacd_add32_sat(vec[22], vec[54]); + temp323 = ixheaacd_add32_sat(vec[23], vec[55]); + + temp212 = ixheaacd_sub32_sat(vec[26], vec[58]); + temp213 = ixheaacd_sub32_sat(vec[27], vec[59]); + temp324 = ixheaacd_add32_sat(vec[24], vec[56]); + temp325 = ixheaacd_add32_sat(vec[25], vec[57]); + temp326 = ixheaacd_add32_sat(vec[26], vec[58]); + temp327 = ixheaacd_add32_sat(vec[27], vec[59]); + + temp214 = ixheaacd_sub32_sat(vec[30], vec[62]); + temp215 = ixheaacd_sub32_sat(vec[31], vec[63]); + temp328 = ixheaacd_add32_sat(vec[28], vec[60]); + temp329 = ixheaacd_add32_sat(vec[29], vec[61]); + temp330 = ixheaacd_add32_sat(vec[30], vec[62]); + temp331 = ixheaacd_add32_sat(vec[31], vec[63]); + + temp41 = -ixheaacd_add32_sat(temp20, temp214); + temp42 = ixheaacd_sub32_sat(temp20, temp214); + temp40 = ixheaacd_add32_sat(temp21, temp215); + temp43 = ixheaacd_sub32_sat(temp21, temp215); + temp45 = -ixheaacd_add32_sat(temp22, temp212); + temp46 = ixheaacd_sub32_sat(temp22, temp212); + temp44 = ixheaacd_add32_sat(temp23, temp213); + temp47 = ixheaacd_sub32_sat(temp23, temp213); + temp49 = -ixheaacd_add32_sat(temp24, temp210); + temp410 = ixheaacd_sub32_sat(temp24, temp210); + temp48 = ixheaacd_add32_sat(temp25, temp211); + temp411 = ixheaacd_sub32_sat(temp25, temp211); + temp413 = -ixheaacd_add32_sat(temp26, temp28); + temp414 = ixheaacd_sub32_sat(temp26, temp28); + temp412 = ixheaacd_add32_sat(temp27, temp29); + temp415 = ixheaacd_sub32_sat(temp27, temp29); + + temp20 = ixheaacd_add32_sat(ixheaacd_add32_sat(ixheaacd_add32_sat( + ixheaacd_mult32x16in32_shl(temp40, fft_c[3]), + ixheaacd_mult32x16in32_shl(temp44, fft_c[2])), + ixheaacd_mult32x16in32_shl(temp48, fft_c[1])), + ixheaacd_mult32x16in32_shl(temp412, fft_c[0])); + + temp24 = ixheaacd_sub32_sat(ixheaacd_add32_sat(ixheaacd_add32_sat( + ixheaacd_mult32x16in32_shl(temp40, fft_c[2]), + ixheaacd_mult32x16in32_shl(temp44, fft_c[0])), + ixheaacd_mult32x16in32_shl(temp48, fft_c[3])), + ixheaacd_mult32x16in32_shl(temp412, fft_c[1])); + + temp28 = ixheaacd_add32_sat(ixheaacd_sub32_sat(ixheaacd_add32_sat( + ixheaacd_mult32x16in32_shl(temp40, fft_c[1]), + ixheaacd_mult32x16in32_shl(temp44, fft_c[3])), + ixheaacd_mult32x16in32_shl(temp48, fft_c[0])), + ixheaacd_mult32x16in32_shl(temp412, fft_c[2])); + + temp212 = ixheaacd_sub32_sat(ixheaacd_add32_sat(ixheaacd_sub32_sat( + ixheaacd_mult32x16in32_shl(temp40, fft_c[0]), + ixheaacd_mult32x16in32_shl(temp44, fft_c[1])), + ixheaacd_mult32x16in32_shl(temp48, fft_c[2])), + ixheaacd_mult32x16in32_shl(temp412, fft_c[3])); + + temp21 = ixheaacd_add32_sat(ixheaacd_add32_sat(ixheaacd_add32_sat( + ixheaacd_mult32x16in32_shl(temp41, fft_c[3]), + ixheaacd_mult32x16in32_shl(temp45, fft_c[2])), + ixheaacd_mult32x16in32_shl(temp49, fft_c[1])), + ixheaacd_mult32x16in32_shl(temp413, fft_c[0])); + + temp25 = ixheaacd_sub32_sat(ixheaacd_add32_sat(ixheaacd_add32_sat( + ixheaacd_mult32x16in32_shl(temp41, fft_c[2]), + ixheaacd_mult32x16in32_shl(temp45, fft_c[0])), + ixheaacd_mult32x16in32_shl(temp49, fft_c[3])), + ixheaacd_mult32x16in32_shl(temp413, fft_c[1])); + + temp29 = ixheaacd_add32_sat(ixheaacd_sub32_sat(ixheaacd_add32_sat( + ixheaacd_mult32x16in32_shl(temp41, fft_c[1]), + ixheaacd_mult32x16in32_shl(temp45, fft_c[3])), + ixheaacd_mult32x16in32_shl(temp49, fft_c[0])), + ixheaacd_mult32x16in32_shl(temp413, fft_c[2])); + + temp213 = ixheaacd_sub32_sat(ixheaacd_add32_sat(ixheaacd_sub32_sat( + ixheaacd_mult32x16in32_shl(temp41, fft_c[0]), + ixheaacd_mult32x16in32_shl(temp45, fft_c[1])), + ixheaacd_mult32x16in32_shl(temp49, fft_c[2])), + ixheaacd_mult32x16in32_shl(temp413, fft_c[3])); + + temp22 = ixheaacd_add32_sat(ixheaacd_add32_sat(ixheaacd_add32_sat( + ixheaacd_mult32x16in32_shl(temp42, fft_c[0]), + ixheaacd_mult32x16in32_shl(temp46, fft_c[1])), + ixheaacd_mult32x16in32_shl(temp410, fft_c[2])), + ixheaacd_mult32x16in32_shl(temp414, fft_c[3])); + + temp26 = ixheaacd_sub32_sat(ixheaacd_sub32_sat(ixheaacd_sub32_sat( + ixheaacd_mult32x16in32_shl(temp42, fft_c[1]), + ixheaacd_mult32x16in32_shl(temp46, fft_c[3])), + ixheaacd_mult32x16in32_shl(temp410, fft_c[0])), + ixheaacd_mult32x16in32_shl(temp414, fft_c[2])); + + temp210 = ixheaacd_add32_sat(ixheaacd_add32_sat(ixheaacd_sub32_sat( + ixheaacd_mult32x16in32_shl(temp42, fft_c[2]), + ixheaacd_mult32x16in32_shl(temp46, fft_c[0])), + ixheaacd_mult32x16in32_shl(temp410, fft_c[3])), + ixheaacd_mult32x16in32_shl(temp414, fft_c[1])); + + temp214 = ixheaacd_sub32_sat(ixheaacd_add32_sat(ixheaacd_sub32_sat( + ixheaacd_mult32x16in32_shl(temp42, fft_c[3]), + ixheaacd_mult32x16in32_shl(temp46, fft_c[2])), + ixheaacd_mult32x16in32_shl(temp410, fft_c[1])), + ixheaacd_mult32x16in32_shl(temp414, fft_c[0])); + + temp23 = ixheaacd_add32_sat(ixheaacd_add32_sat(ixheaacd_add32_sat( + ixheaacd_mult32x16in32_shl(temp43, fft_c[0]), + ixheaacd_mult32x16in32_shl(temp47, fft_c[1])), + ixheaacd_mult32x16in32_shl(temp411, fft_c[2])), + ixheaacd_mult32x16in32_shl(temp415, fft_c[3])); + + temp27 = ixheaacd_sub32_sat(ixheaacd_sub32_sat(ixheaacd_sub32_sat( + ixheaacd_mult32x16in32_shl(temp43, fft_c[1]), + ixheaacd_mult32x16in32_shl(temp47, fft_c[3])), + ixheaacd_mult32x16in32_shl(temp411, fft_c[0])), + ixheaacd_mult32x16in32_shl(temp415, fft_c[2])); + + temp211 = ixheaacd_add32_sat(ixheaacd_add32_sat(ixheaacd_sub32_sat( + ixheaacd_mult32x16in32_shl(temp43, fft_c[2]), + ixheaacd_mult32x16in32_shl(temp47, fft_c[0])), + ixheaacd_mult32x16in32_shl(temp411, fft_c[3])), + ixheaacd_mult32x16in32_shl(temp415, fft_c[1])); + + temp215 = ixheaacd_sub32_sat(ixheaacd_add32_sat(ixheaacd_sub32_sat( + ixheaacd_mult32x16in32_shl(temp43, fft_c[3]), + ixheaacd_mult32x16in32_shl(temp47, fft_c[2])), + ixheaacd_mult32x16in32_shl(temp411, fft_c[1])), + ixheaacd_mult32x16in32_shl(temp415, fft_c[0])); + + temp40 = ixheaacd_add32_sat(temp20, temp22); + temp414 = ixheaacd_sub32_sat(temp20, temp22); + temp41 = ixheaacd_add32_sat(temp21, temp23); + temp415 = ixheaacd_sub32_sat(temp21, temp23); + temp42 = ixheaacd_add32_sat(temp24, temp26); + temp412 = ixheaacd_sub32_sat(temp24, temp26); + temp43 = ixheaacd_add32_sat(temp25, temp27); + temp413 = ixheaacd_sub32_sat(temp25, temp27); + temp44 = ixheaacd_add32_sat(temp28, temp210); + temp410 = ixheaacd_sub32_sat(temp28, temp210); + temp45 = ixheaacd_add32_sat(temp29, temp211); + temp411 = ixheaacd_sub32_sat(temp29, temp211); + temp46 = ixheaacd_add32_sat(temp212, temp214); + temp48 = ixheaacd_sub32_sat(temp212, temp214); + temp47 = ixheaacd_add32_sat(temp213, temp215); + temp49 = ixheaacd_sub32_sat(temp213, temp215); + + temp10 = ixheaacd_add32_sat(temp30, temp316); + temp11 = ixheaacd_add32_sat(temp31, temp317); + temp12 = ixheaacd_add32_sat(temp32, temp318); + temp13 = ixheaacd_add32_sat(temp33, temp319); + temp14 = ixheaacd_add32_sat(temp34, temp320); + temp15 = ixheaacd_add32_sat(temp35, temp321); + temp16 = ixheaacd_add32_sat(temp36, temp322); + temp17 = ixheaacd_add32_sat(temp37, temp323); + temp18 = ixheaacd_add32_sat(temp38, temp324); + temp19 = ixheaacd_add32_sat(temp39, temp325); + temp110 = ixheaacd_add32_sat(temp310, temp326); + temp111 = ixheaacd_add32_sat(temp311, temp327); + temp112 = ixheaacd_add32_sat(temp312, temp328); + temp113 = ixheaacd_add32_sat(temp313, temp329); + temp114 = ixheaacd_add32_sat(temp314, temp330); + temp115 = ixheaacd_add32_sat(temp315, temp331); + + tmp0 = ixheaacd_add32_sat(temp10, temp18); + tmp2 = ixheaacd_sub32_sat(temp10, temp18); + tmp1 = ixheaacd_add32_sat(temp11, temp19); + tmp3 = ixheaacd_sub32_sat(temp11, temp19); + tmp4 = ixheaacd_add32_sat(temp12, temp110); + tmp6 = ixheaacd_sub32_sat(temp12, temp110); + tmp5 = ixheaacd_add32_sat(temp13, temp111); + tmp7 = ixheaacd_sub32_sat(temp13, temp111); + tmp8 = ixheaacd_add32_sat(temp14, temp112); + tmp10 = ixheaacd_sub32_sat(temp14, temp112); + tmp9 = ixheaacd_add32_sat(temp15, temp113); + tmp11 = ixheaacd_sub32_sat(temp15, temp113); + tmp12 = ixheaacd_add32_sat(temp16, temp114); + tmp14 = ixheaacd_sub32_sat(temp16, temp114); + tmp13 = ixheaacd_add32_sat(temp17, temp115); + tmp15 = ixheaacd_sub32_sat(temp17, temp115); + + temp20 = ixheaacd_add32_sat(tmp0, tmp8); + temp24 = ixheaacd_sub32_sat(tmp0, tmp8); + temp21 = ixheaacd_add32_sat(tmp1, tmp9); + temp25 = ixheaacd_sub32_sat(tmp1, tmp9); + temp28 = ixheaacd_sub32_sat(tmp2, tmp11); + temp210 = ixheaacd_add32_sat(tmp2, tmp11); + temp29 = ixheaacd_add32_sat(tmp3, tmp10); + temp211 = ixheaacd_sub32_sat(tmp3, tmp10); + temp22 = ixheaacd_add32_sat(tmp4, tmp12); + temp27 = ixheaacd_sub32_sat(tmp4, tmp12); + temp23 = ixheaacd_add32_sat(tmp5, tmp13); + temp26 = ixheaacd_sub32_sat(tmp13, tmp5); + + tmp1 = ixheaacd_add32_sat(tmp6, tmp14); + tmp2 = ixheaacd_sub32_sat(tmp6, tmp14); + tmp0 = ixheaacd_add32_sat(tmp7, tmp15); + tmp3 = ixheaacd_sub32_sat(tmp7, tmp15); + + temp212 = ixheaacd_mult32x16in32_shl(ixheaacd_add32_sat(tmp0, tmp2), INV_SQRT2_Q15); + temp214 = ixheaacd_mult32x16in32_shl(ixheaacd_sub32_sat(tmp0, tmp2), INV_SQRT2_Q15); + temp213 = ixheaacd_mult32x16in32_shl(ixheaacd_sub32_sat(tmp3, tmp1), INV_SQRT2_Q15); + temp215 = ixheaacd_mult32x16in32_shl(ixheaacd_add32_sat(tmp1, tmp3), -INV_SQRT2_Q15); + + temp10 = ixheaacd_sub32_sat(temp30, temp316); + temp11 = ixheaacd_sub32_sat(temp31, temp317); + temp12 = ixheaacd_sub32_sat(temp32, temp318); + temp13 = ixheaacd_sub32_sat(temp33, temp319); + temp14 = ixheaacd_sub32_sat(temp34, temp320); + temp15 = ixheaacd_sub32_sat(temp35, temp321); + temp16 = ixheaacd_sub32_sat(temp36, temp322); + temp17 = ixheaacd_sub32_sat(temp37, temp323); + temp18 = ixheaacd_sub32_sat(temp38, temp324); + temp19 = ixheaacd_sub32_sat(temp39, temp325); + temp110 = ixheaacd_sub32_sat(temp310, temp326); + temp111 = ixheaacd_sub32_sat(temp311, temp327); + temp112 = ixheaacd_sub32_sat(temp312, temp328); + temp113 = ixheaacd_sub32_sat(temp313, temp329); + temp114 = ixheaacd_sub32_sat(temp314, temp330); + temp115 = ixheaacd_sub32_sat(temp315, temp331); + + temp30 = ixheaacd_add32_sat(temp20, temp22); + temp316 = ixheaacd_sub32_sat(temp20, temp22); + temp31 = ixheaacd_add32_sat(temp21, temp23); + temp317 = ixheaacd_sub32_sat(temp21, temp23); + temp38 = ixheaacd_sub32_sat(temp24, temp26); + temp324 = ixheaacd_add32_sat(temp24, temp26); + temp39 = ixheaacd_sub32_sat(temp25, temp27); + temp325 = ixheaacd_add32_sat(temp25, temp27); + temp312 = ixheaacd_add32_sat(temp28, temp214); + temp328 = ixheaacd_sub32_sat(temp28, temp214); + temp313 = ixheaacd_add32_sat(temp29, temp215); + temp329 = ixheaacd_sub32_sat(temp29, temp215); + temp34 = ixheaacd_add32_sat(temp210, temp212); + temp320 = ixheaacd_sub32_sat(temp210, temp212); + temp35 = ixheaacd_add32_sat(temp211, temp213); + temp321 = ixheaacd_sub32_sat(temp211, temp213); + + tmp9 = ixheaacd_mult32x16in32_shl(ixheaacd_add32_sat(temp12, temp114), -COS_3PI_BY_8_Q15); + tmp10 = ixheaacd_mult32x16in32_shl(ixheaacd_sub32_sat(temp12, temp114), COS_PI_BY_8_Q15); + tmp8 = ixheaacd_mult32x16in32_shl(ixheaacd_add32_sat(temp13, temp115), COS_3PI_BY_8_Q15); + tmp11 = ixheaacd_mult32x16in32_shl(ixheaacd_sub32_sat(temp13, temp115), COS_PI_BY_8_Q15); + tmp5 = ixheaacd_mult32x16in32_shl(ixheaacd_add32_sat(temp14, temp112), -INV_SQRT2_Q15); + tmp6 = ixheaacd_mult32x16in32_shl(ixheaacd_sub32_sat(temp14, temp112), INV_SQRT2_Q15); + tmp4 = ixheaacd_mult32x16in32_shl(ixheaacd_add32_sat(temp15, temp113), INV_SQRT2_Q15); + tmp7 = ixheaacd_mult32x16in32_shl(ixheaacd_sub32_sat(temp15, temp113), INV_SQRT2_Q15); + tmp13 = ixheaacd_mult32x16in32_shl(ixheaacd_add32_sat(temp16, temp110), -COS_PI_BY_8_Q15); + tmp14 = ixheaacd_mult32x16in32_shl(ixheaacd_sub32_sat(temp16, temp110), COS_3PI_BY_8_Q15); + tmp12 = ixheaacd_mult32x16in32_shl(ixheaacd_add32_sat(temp17, temp111), COS_PI_BY_8_Q15); + tmp15 = ixheaacd_mult32x16in32_shl(ixheaacd_sub32_sat(temp17, temp111), COS_3PI_BY_8_Q15); + + temp12 = ixheaacd_sub32_sat(ixheaacd_shl32(ixheaacd_mult32x16in32(tmp8, SQRT2PLUS1_Q13), 3), + ixheaacd_mult32x16in32_shl(tmp12, SQRT2MINUS1_Q15)); + temp13 = ixheaacd_sub32_sat(ixheaacd_shl32(ixheaacd_mult32x16in32(tmp9, SQRT2PLUS1_Q13), 3), + ixheaacd_mult32x16in32_shl(tmp13, SQRT2MINUS1_Q15)); + temp14 = ixheaacd_sub32_sat(ixheaacd_mult32x16in32_shl(tmp10, SQRT2MINUS1_Q15), + ixheaacd_shl32(ixheaacd_mult32x16in32(tmp14, SQRT2PLUS1_Q13), 3)); + temp15 = ixheaacd_sub32_sat(ixheaacd_mult32x16in32_shl(tmp11, SQRT2MINUS1_Q15), + ixheaacd_shl32(ixheaacd_mult32x16in32(tmp15, SQRT2PLUS1_Q13), 3)); + + tmp8 = ixheaacd_add32_sat(tmp8, tmp12); + tmp9 = ixheaacd_add32_sat(tmp9, tmp13); + tmp10 = ixheaacd_add32_sat(tmp10, tmp14); + tmp11 = ixheaacd_add32_sat(tmp11, tmp15); + temp16 = ixheaacd_add32_sat(temp10, tmp4); + temp110 = ixheaacd_sub32_sat(temp10, tmp4); + temp17 = ixheaacd_add32_sat(temp11, tmp5); + temp111 = ixheaacd_sub32_sat(temp11, tmp5); + + temp112 = ixheaacd_sub32_sat(tmp6, temp19); + temp114 = ixheaacd_add32_sat(tmp6, temp19); + temp113 = ixheaacd_add32_sat(temp18, tmp7); + temp115 = ixheaacd_sub32_sat(temp18, tmp7); + + tmp0 = ixheaacd_sub32_sat(temp16, temp114); + tmp2 = ixheaacd_add32_sat(temp16, temp114); + tmp1 = ixheaacd_add32_sat(temp17, temp115); + tmp3 = ixheaacd_sub32_sat(temp17, temp115); + tmp4 = ixheaacd_add32_sat(temp110, temp112); + tmp6 = ixheaacd_sub32_sat(temp110, temp112); + tmp5 = ixheaacd_add32_sat(temp111, temp113); + tmp7 = ixheaacd_sub32_sat(temp111, temp113); + + temp110 = ixheaacd_add32_sat(tmp8, tmp10); + tmp10 = ixheaacd_sub32_sat(tmp8, tmp10); + temp111 = ixheaacd_add32_sat(tmp9, tmp11); + tmp11 = ixheaacd_sub32_sat(tmp9, tmp11); + + tmp12 = ixheaacd_add32_sat(temp12, temp14); + tmp14 = ixheaacd_sub32_sat(temp12, temp14); + tmp13 = ixheaacd_add32_sat(temp13, temp15); + tmp15 = ixheaacd_sub32_sat(temp13, temp15); + + temp32 = ixheaacd_add32_sat(tmp2, temp110); + temp318 = ixheaacd_sub32_sat(tmp2, temp110); + temp33 = ixheaacd_add32_sat(tmp3, temp111); + temp319 = ixheaacd_sub32_sat(tmp3, temp111); + temp36 = ixheaacd_add32_sat(tmp0, tmp12); + temp322 = ixheaacd_sub32_sat(tmp0, tmp12); + temp37 = ixheaacd_add32_sat(tmp1, tmp13); + temp323 = ixheaacd_sub32_sat(tmp1, tmp13); + temp314 = ixheaacd_add32_sat(tmp4, tmp10); + temp330 = ixheaacd_sub32_sat(tmp4, tmp10); + temp315 = ixheaacd_add32_sat(tmp5, tmp11); + temp331 = ixheaacd_sub32_sat(tmp5, tmp11); + temp310 = ixheaacd_add32_sat(tmp6, tmp14); + temp326 = ixheaacd_sub32_sat(tmp6, tmp14); + temp311 = ixheaacd_add32_sat(tmp7, tmp15); + temp327 = ixheaacd_sub32_sat(tmp7, tmp15); + + temp10 = ixheaacd_sub32_sat(vec[0], vec[32]); + temp11 = ixheaacd_sub32_sat(vec[1], vec[33]); + temp12 = ixheaacd_sub32_sat(vec[4], vec[36]); + temp13 = ixheaacd_sub32_sat(vec[5], vec[37]); + temp14 = ixheaacd_sub32_sat(vec[8], vec[40]); + temp15 = ixheaacd_sub32_sat(vec[9], vec[41]); + temp16 = ixheaacd_sub32_sat(vec[12], vec[44]); + temp17 = ixheaacd_sub32_sat(vec[13], vec[45]); + temp18 = ixheaacd_sub32_sat(vec[16], vec[48]); + temp19 = ixheaacd_sub32_sat(vec[17], vec[49]); + temp110 = ixheaacd_sub32_sat(vec[20], vec[52]); + temp111 = ixheaacd_sub32_sat(vec[21], vec[53]); + temp112 = ixheaacd_sub32_sat(vec[24], vec[56]); + temp113 = ixheaacd_sub32_sat(vec[25], vec[57]); + temp114 = ixheaacd_sub32_sat(vec[28], vec[60]); + temp115 = ixheaacd_sub32_sat(vec[29], vec[61]); + + tmp9 = ixheaacd_mult32x16in32_shl(ixheaacd_add32_sat(temp12, temp114), -COS_3PI_BY_8_Q15); + tmp10 = ixheaacd_mult32x16in32_shl(ixheaacd_sub32_sat(temp12, temp114), COS_PI_BY_8_Q15); + tmp8 = ixheaacd_mult32x16in32_shl(ixheaacd_add32_sat(temp13, temp115), COS_3PI_BY_8_Q15); + tmp11 = ixheaacd_mult32x16in32_shl(ixheaacd_sub32_sat(temp13, temp115), COS_PI_BY_8_Q15); + tmp5 = ixheaacd_mult32x16in32_shl(ixheaacd_add32_sat(temp14, temp112), -INV_SQRT2_Q15); + tmp6 = ixheaacd_mult32x16in32_shl(ixheaacd_sub32_sat(temp14, temp112), INV_SQRT2_Q15); + tmp4 = ixheaacd_mult32x16in32_shl(ixheaacd_add32_sat(temp15, temp113), INV_SQRT2_Q15); + tmp7 = ixheaacd_mult32x16in32_shl(ixheaacd_sub32_sat(temp15, temp113), INV_SQRT2_Q15); + tmp13 = ixheaacd_mult32x16in32_shl(ixheaacd_add32_sat(temp16, temp110), -COS_PI_BY_8_Q15); + tmp14 = ixheaacd_mult32x16in32_shl(ixheaacd_sub32_sat(temp16, temp110), COS_3PI_BY_8_Q15); + tmp12 = ixheaacd_mult32x16in32_shl(ixheaacd_add32_sat(temp17, temp111), COS_PI_BY_8_Q15); + tmp15 = ixheaacd_mult32x16in32_shl(ixheaacd_sub32_sat(temp17, temp111), COS_3PI_BY_8_Q15); + + temp12 = ixheaacd_sub32_sat(ixheaacd_shl32(ixheaacd_mult32x16in32(tmp8, SQRT2PLUS1_Q13), 3), + ixheaacd_mult32x16in32_shl(tmp12, SQRT2MINUS1_Q15)); + temp13 = ixheaacd_sub32_sat(ixheaacd_shl32(ixheaacd_mult32x16in32(tmp9, SQRT2PLUS1_Q13), 3), + ixheaacd_mult32x16in32_shl(tmp13, SQRT2MINUS1_Q15)); + temp14 = ixheaacd_sub32_sat(ixheaacd_mult32x16in32_shl(tmp10, SQRT2MINUS1_Q15), + ixheaacd_shl32(ixheaacd_mult32x16in32(tmp14, SQRT2PLUS1_Q13), 3)); + temp15 = ixheaacd_sub32_sat(ixheaacd_mult32x16in32_shl(tmp11, SQRT2MINUS1_Q15), + ixheaacd_shl32(ixheaacd_mult32x16in32(tmp15, SQRT2PLUS1_Q13), 3)); + + tmp8 = ixheaacd_add32_sat(tmp8, tmp12); + tmp9 = ixheaacd_add32_sat(tmp9, tmp13); + tmp10 = ixheaacd_add32_sat(tmp10, tmp14); + tmp11 = ixheaacd_add32_sat(tmp11, tmp15); + temp16 = ixheaacd_add32_sat(temp10, tmp4); + temp110 = ixheaacd_sub32_sat(temp10, tmp4); + temp17 = ixheaacd_add32_sat(temp11, tmp5); + temp111 = ixheaacd_sub32_sat(temp11, tmp5); + + temp112 = ixheaacd_sub32_sat(tmp6, temp19); + temp114 = ixheaacd_add32_sat(tmp6, temp19); + temp113 = ixheaacd_add32_sat(temp18, tmp7); + temp115 = ixheaacd_sub32_sat(temp18, tmp7); + + tmp0 = ixheaacd_sub32_sat(temp16, temp114); + tmp2 = ixheaacd_add32_sat(temp16, temp114); + tmp1 = ixheaacd_add32_sat(temp17, temp115); + tmp3 = ixheaacd_sub32_sat(temp17, temp115); + tmp4 = ixheaacd_add32_sat(temp110, temp112); + tmp6 = ixheaacd_sub32_sat(temp110, temp112); + tmp5 = ixheaacd_add32_sat(temp111, temp113); + tmp7 = ixheaacd_sub32_sat(temp111, temp113); + + temp110 = ixheaacd_add32_sat(tmp8, tmp10); + tmp10 = ixheaacd_sub32_sat(tmp8, tmp10); + temp111 = ixheaacd_add32_sat(tmp9, tmp11); + tmp11 = ixheaacd_sub32_sat(tmp9, tmp11); + + tmp12 = ixheaacd_add32_sat(temp12, temp14); + tmp14 = ixheaacd_sub32_sat(temp12, temp14); + tmp13 = ixheaacd_add32_sat(temp13, temp15); + tmp15 = ixheaacd_sub32_sat(temp13, temp15); + + temp10 = ixheaacd_add32_sat(tmp2, temp110); + temp18 = ixheaacd_sub32_sat(tmp2, temp110); + temp11 = ixheaacd_add32_sat(tmp3, temp111); + temp19 = ixheaacd_sub32_sat(tmp3, temp111); + temp12 = ixheaacd_add32_sat(tmp0, tmp12); + temp110 = ixheaacd_sub32_sat(tmp0, tmp12); + temp13 = ixheaacd_add32_sat(tmp1, tmp13); + temp111 = ixheaacd_sub32_sat(tmp1, tmp13); + temp16 = ixheaacd_add32_sat(tmp4, tmp10); + temp114 = ixheaacd_sub32_sat(tmp4, tmp10); + temp17 = ixheaacd_add32_sat(tmp5, tmp11); + temp115 = ixheaacd_sub32_sat(tmp5, tmp11); + temp14 = ixheaacd_add32_sat(tmp6, tmp14); + temp112 = ixheaacd_sub32_sat(tmp6, tmp14); + temp15 = ixheaacd_add32_sat(tmp7, tmp15); + temp113 = ixheaacd_sub32_sat(tmp7, tmp15); + + *vec++ = temp30; + *vec++ = temp31; + *vec++ = ixheaacd_add32_sat(temp10, temp40); + *vec++ = ixheaacd_add32_sat(temp11, temp41); + *vec++ = temp32; + *vec++ = temp33; + *vec++ = ixheaacd_add32_sat(temp12, temp42); + *vec++ = ixheaacd_add32_sat(temp13, temp43); + *vec++ = temp34; + *vec++ = temp35; + *vec++ = ixheaacd_add32_sat(temp14, temp44); + *vec++ = ixheaacd_add32_sat(temp15, temp45); + *vec++ = temp36; + *vec++ = temp37; + *vec++ = ixheaacd_add32_sat(temp16, temp46); + *vec++ = ixheaacd_add32_sat(temp17, temp47); + *vec++ = temp38; + *vec++ = temp39; + *vec++ = ixheaacd_add32_sat(temp18, temp48); + *vec++ = ixheaacd_add32_sat(temp19, temp49); + *vec++ = temp310; + *vec++ = temp311; + *vec++ = ixheaacd_add32_sat(temp110, temp410); + *vec++ = ixheaacd_add32_sat(temp111, temp411); + *vec++ = temp312; + *vec++ = temp313; + *vec++ = ixheaacd_add32_sat(temp112, temp412); + *vec++ = ixheaacd_add32_sat(temp113, temp413); + *vec++ = temp314; + *vec++ = temp315; + *vec++ = ixheaacd_add32_sat(temp114, temp414); + *vec++ = ixheaacd_add32_sat(temp115, temp415); + *vec++ = temp316; + *vec++ = temp317; + *vec++ = ixheaacd_sub32_sat(temp10, temp40); + *vec++ = ixheaacd_sub32_sat(temp11, temp41); + *vec++ = temp318; + *vec++ = temp319; + *vec++ = ixheaacd_sub32_sat(temp12, temp42); + *vec++ = ixheaacd_sub32_sat(temp13, temp43); + *vec++ = temp320; + *vec++ = temp321; + *vec++ = ixheaacd_sub32_sat(temp14, temp44); + *vec++ = ixheaacd_sub32_sat(temp15, temp45); + *vec++ = temp322; + *vec++ = temp323; + *vec++ = ixheaacd_sub32_sat(temp16, temp46); + *vec++ = ixheaacd_sub32_sat(temp17, temp47); + *vec++ = temp324; + *vec++ = temp325; + *vec++ = ixheaacd_sub32_sat(temp18, temp48); + *vec++ = ixheaacd_sub32_sat(temp19, temp49); + *vec++ = temp326; + *vec++ = temp327; + *vec++ = ixheaacd_sub32_sat(temp110, temp410); + *vec++ = ixheaacd_sub32_sat(temp111, temp411); + *vec++ = temp328; + *vec++ = temp329; + *vec++ = ixheaacd_sub32_sat(temp112, temp412); + *vec++ = ixheaacd_sub32_sat(temp113, temp413); + *vec++ = temp330; + *vec++ = temp331; + *vec++ = ixheaacd_sub32_sat(temp114, temp414); + *vec++ = ixheaacd_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] = ixheaacd_add32_sat( + ixheaacd_mult32x16in32_shl(im1, wim), ixheaacd_mult32x16in32_shl(re1, wre)); + subband[temp_1 + 1] = ixheaacd_sub32_sat( + ixheaacd_mult32x16in32_shl(im1, wre), ixheaacd_mult32x16in32_shl(re1, wim)); + + wim = *ptr3--; + wre = *ptr4--; + + subband[62 - temp_1] = ixheaacd_add32_sat( + ixheaacd_mult32x16in32_shl(im2, wim), ixheaacd_mult32x16in32_shl(re2, wre)); + subband[63 - temp_1] = ixheaacd_sub32_sat( + ixheaacd_mult32x16in32_shl(im2, wre), ixheaacd_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] = ixheaacd_add32_sat( + ixheaacd_mult32x16in32_shl(re1, wre), ixheaacd_mult32x16in32_shl(im1, wim)); + subband[63 - temp_1] = ixheaacd_sub32_sat( + ixheaacd_mult32x16in32_shl(re1, wim), ixheaacd_mult32x16in32_shl(im1, wre)); + + wim = *ptr1++; + wre = *ptr2--; + + subband[62 - temp_1] = ixheaacd_add32_sat( + ixheaacd_mult32x16in32_shl(re2, wim), ixheaacd_mult32x16in32_shl(im2, wre)); + subband[temp_1 + 1] = ixheaacd_sub32_sat( + ixheaacd_mult32x16in32_shl(re2, wre), ixheaacd_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] = ixheaacd_add32_sat( + ixheaacd_mult32x16in32_shl(im1, wim), ixheaacd_mult32x16in32_shl(re1, wre)); + subband[temp_1] = ixheaacd_sub32_sat( + ixheaacd_mult32x16in32_shl(im1, wre), ixheaacd_mult32x16in32_shl(re1, wim)); + + wre = *ptr3--; + wim = *ptr4--; + + subband[63 - temp_1] = ixheaacd_add32_sat( + ixheaacd_mult32x16in32_shl(im2, wim), ixheaacd_mult32x16in32_shl(re2, wre)); + subband[62 - temp_1] = ixheaacd_sub32_sat( + ixheaacd_mult32x16in32_shl(im2, wre), ixheaacd_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] = -ixheaacd_add32_sat( + ixheaacd_mult32x16in32_shl(re1, wre), ixheaacd_mult32x16in32_shl(im1, wim)); + subband[temp_1] = -ixheaacd_sub32_sat( + ixheaacd_mult32x16in32_shl(re1, wim), ixheaacd_mult32x16in32_shl(im1, wre)); + + wim = *ptr1++; + wre = *ptr2--; + + subband[temp_1 + 1] = -ixheaacd_add32_sat( + ixheaacd_mult32x16in32_shl(re2, wim), ixheaacd_mult32x16in32_shl(im2, wre)); + subband[62 - temp_1] = -ixheaacd_sub32_sat( + ixheaacd_mult32x16in32_shl(re2, wre), ixheaacd_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] = ixheaacd_add32_sat( + ixheaacd_mult32x16in32_shl(im1, wim), ixheaacd_mult32x16in32_shl(re1, wre)); + + re12 = qmf_imag[temp_1]; + im12 = qmf_imag[63 - temp_1]; + + qmf_imag[temp_1] = ixheaacd_sub32_sat( + ixheaacd_mult32x16in32_shl(im12, wim), ixheaacd_mult32x16in32_shl(re12, wre)); + + im2 = qmf_real[temp_1 + 1]; + + qmf_real[temp_1 + 1] = ixheaacd_sub32_sat( + ixheaacd_mult32x16in32_shl(im1, wre), ixheaacd_mult32x16in32_shl(re1, wim)); + + im22 = qmf_imag[temp_1 + 1]; + + qmf_imag[temp_1 + 1] = ixheaacd_add32_sat( + ixheaacd_mult32x16in32_shl(im12, wre), ixheaacd_mult32x16in32_shl(re12, wim)); + + wim = *ptr3--; + wre = *ptr4--; + + re2 = qmf_real[62 - temp_1]; + + qmf_real[62 - temp_1] = ixheaacd_add32_sat( + ixheaacd_mult32x16in32_shl(im2, wim), ixheaacd_mult32x16in32_shl(re2, wre)); + + re22 = qmf_imag[62 - temp_1]; + + qmf_imag[62 - temp_1] = ixheaacd_sub32_sat( + ixheaacd_mult32x16in32_shl(im22, wim), ixheaacd_mult32x16in32_shl(re22, wre)); + + qmf_real[63 - temp_1] = ixheaacd_sub32_sat( + ixheaacd_mult32x16in32_shl(im2, wre), ixheaacd_mult32x16in32_shl(re2, wim)); + qmf_imag[63 - temp_1] = ixheaacd_add32_sat( + ixheaacd_mult32x16in32_shl(im22, wre), ixheaacd_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] = ixheaacd_sub32_sat(ixheaacd_mult32x16in32_shl(ixheaacd_sub32_sat( + im12, re1), wre), ixheaacd_mult32x16in32_shl(ixheaacd_add32_sat(im1, re12), wim)); + qmf_imag[temp_1] = ixheaacd_add32_sat(ixheaacd_mult32x16in32_shl((ixheaacd_add32_sat( + im12, re1)), wre), ixheaacd_mult32x16in32_shl(ixheaacd_sub32_sat(im1, re12), wim)); + + im2 = qmf_real[63 - temp_1]; + im22 = qmf_imag[63 - temp_1]; + + qmf_real[63 - temp_1] = ixheaacd_sub32_sat(ixheaacd_mult32x16in32_shl(ixheaacd_sub32_sat( + im1, re12), wre), ixheaacd_mult32x16in32_shl(ixheaacd_add32_sat(im12, re1), wim)); + qmf_imag[63 - temp_1] = ixheaacd_sub32_sat(ixheaacd_mult32x16in32_shl(ixheaacd_sub32_sat( + re1, im12), wim), ixheaacd_mult32x16in32_shl(ixheaacd_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] = ixheaacd_sub32_sat(ixheaacd_mult32x16in32_shl(ixheaacd_sub32_sat( + im2, re22), wim), ixheaacd_mult32x16in32_shl(ixheaacd_add32_sat(im22, re2), wre)); + qmf_imag[temp_1 + 1] = ixheaacd_sub32_sat(ixheaacd_mult32x16in32_shl(ixheaacd_sub32_sat( + re2, im22), wre), ixheaacd_mult32x16in32_shl(ixheaacd_add32_sat(im2, re22), wim)); + + qmf_real[62 - temp_1] = ixheaacd_sub32_sat(ixheaacd_mult32x16in32_shl(ixheaacd_sub32_sat( + im22, re2), wim), ixheaacd_mult32x16in32_shl(ixheaacd_add32_sat(im2, re22), wre)); + qmf_imag[62 - temp_1] = ixheaacd_add32_sat(ixheaacd_mult32x16in32_shl(ixheaacd_add32_sat( + re2, im22), wim), ixheaacd_mult32x16in32_shl(ixheaacd_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_samp1, *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++ = ixheaacd_add32_sat(syn_buf_p1[512], + ixheaacd_mps_mult32_shr_30(*(p_filter_5 + 65), val)); + syn_buf_p1[512] = ixheaacd_add32_sat(syn_buf_p2[448], + ixheaacd_mps_mult32_shr_30(*(p_filter_5 + 64), val1)); + syn_buf_p2[448] = ixheaacd_add32_sat(syn_buf_p1[384], + ixheaacd_mps_mult32_shr_30(*p_filter_5++, val)); + syn_buf_p1[384] = ixheaacd_add32_sat(syn_buf_p2[320], + ixheaacd_mps_mult32_shr_30(*(p_filter_4 + 64), val1)); + syn_buf_p2[320] = ixheaacd_add32_sat(syn_buf_p1[256], + ixheaacd_mps_mult32_shr_30(*p_filter_4++, val)); + syn_buf_p1[256] = ixheaacd_add32_sat(syn_buf_p2[192], + ixheaacd_mps_mult32_shr_30(*(p_filter_3 + 64), val1)); + syn_buf_p2[192] = ixheaacd_add32_sat(syn_buf_p1[128], + ixheaacd_mps_mult32_shr_30(*p_filter_3++, val)); + syn_buf_p1[128] = ixheaacd_add32_sat(syn_buf_p2[64], + ixheaacd_mps_mult32_shr_30(*(p_filter_2 + 64), val1)); + syn_buf_p2[64] = ixheaacd_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_samp1 = p_sr + 1; + new_samp2 = p_sr + 63; + for (j = 0; j < resolution - 1; j++) { + *time_sig-- = ixheaacd_add32_sat(syn_buf_p3[512], + ixheaacd_mps_mult32_shr_30(*p_filter_6--, (*new_samp2))); + syn_buf_p3[512] = ixheaacd_add32_sat(syn_buf_p2[448], + ixheaacd_mps_mult32_shr_30(*p_filter_5++, (*new_samp))); + syn_buf_p2[448] = ixheaacd_add32_sat(syn_buf_p3[384], + ixheaacd_mps_mult32_shr_30(*p_filter_7--, (*new_samp2))); + syn_buf_p3[384] = ixheaacd_add32_sat(syn_buf_p2[320], + ixheaacd_mps_mult32_shr_30(*p_filter_4++, (*new_samp))); + syn_buf_p2[320] = ixheaacd_add32_sat(syn_buf_p3[256], + ixheaacd_mps_mult32_shr_30(*p_filter_8--, (*new_samp2))); + syn_buf_p3[256] = ixheaacd_add32_sat(syn_buf_p2[192], + ixheaacd_mps_mult32_shr_30(*p_filter_3++, (*new_samp))); + syn_buf_p2[192] = ixheaacd_add32_sat(syn_buf_p3[128], + ixheaacd_mps_mult32_shr_30(*p_filter_9--, (*new_samp2))); + syn_buf_p3[128] = ixheaacd_add32_sat(syn_buf_p2[64], + ixheaacd_mps_mult32_shr_30(*p_filter_2++, (*new_samp))); + syn_buf_p2[64] = ixheaacd_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_samp1++; + 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] = ixheaacd_add32_sat(synth_buf[resx2 + j], + ixheaacd_mps_mult32_shr_30(*p_filter_2++, (*new_samp))); + synth_buf[resx2 * 2 + j] = ixheaacd_add32_sat(synth_buf[resx2 * 2 + j], + ixheaacd_mps_mult32_shr_30(*p_filter_3++, (*new_samp))); + synth_buf[resx2 * 3 + j] = ixheaacd_add32_sat(synth_buf[resx2 * 3 + j], + ixheaacd_mps_mult32_shr_30(*p_filter_4++, (*new_samp))); + synth_buf[resx2 * 4 + j] = ixheaacd_add32_sat(synth_buf[resx2 * 4 + j], + ixheaacd_mps_mult32_shr_30(*p_filter_5++, (*new_samp))); + + new_samp--; + } + + synth_buf[resx2 - 1] = ixheaacd_add32_sat(synth_buf[resx2 - 1], + ixheaacd_mps_mult32_shr_30(*p_filter_1++, *p_sr)); + synth_buf[resx2 * 2 - 1] = ixheaacd_add32_sat(synth_buf[resx2 * 2 - 1], + ixheaacd_mps_mult32_shr_30(*p_filter_2++, *p_sr)); + synth_buf[3 * resx2 - 1] = ixheaacd_add32_sat(synth_buf[3 * resx2 - 1], + ixheaacd_mps_mult32_shr_30(*p_filter_3++, *p_sr)); + synth_buf[4 * resx2 - 1] = ixheaacd_add32_sat(synth_buf[4 * resx2 - 1], + ixheaacd_mps_mult32_shr_30(*p_filter_4++, *p_sr)); + *time_sig++ = ixheaacd_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] = ixheaacd_add32_sat(synth_buf[resolution + j], + ixheaacd_mps_mult32_shr_30(*--p_filter_5, (*new_samp))); + synth_buf[resolution * (3) + j] = + ixheaacd_add32_sat(synth_buf[resolution * (3) + j], + ixheaacd_mps_mult32_shr_30(*--p_filter_4, (*new_samp))); + synth_buf[resolution * (5) + j] = + ixheaacd_add32_sat(synth_buf[resolution * (5) + j], + ixheaacd_mps_mult32_shr_30(*--p_filter_3, (*new_samp))); + synth_buf[resolution * (7) + j] = + ixheaacd_add32_sat(synth_buf[resolution * (7) + j], + ixheaacd_mps_mult32_shr_30(*--p_filter_2, (*new_samp))); + synth_buf[resolution * (9) + j] = + ixheaacd_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) { + WORD32 i; + + for (i = 0; i < 64; i++) { + r_subband[i] = time_in[i] - time_in[127 - i]; + i_subband[i] = time_in[i] + time_in[127 - i]; + } + ixheaacd_cos_mod(r_subband, qmf_table_ptr); + ixheaacd_sin_mod(i_subband, qmf_table_ptr); +} + +VOID ixheaacd_calc_ana_filt_bank(ia_heaac_mps_state_struct *pstr_mps_state, WORD16 *time_in, + WORD32 *r_analysis, WORD32 *i_analysis, WORD32 channel) { + ia_mps_dec_qmf_ana_filter_bank *qmf_bank = &pstr_mps_state->qmf_bank[channel]; + ia_mps_dec_qmf_tables_struct *qmf_table_ptr = + pstr_mps_state->ia_mps_dec_mps_table.qmf_table_ptr; + WORD32 i, k, m; + + WORD32 *syn_buffer = pstr_mps_state->mps_scratch_mem_v; + WORD64 accu1 = 0, accu2 = 0; + WORD16 flag; + WORD32 *fp1; + WORD32 *fp2; + WORD32 *temp; + const WORD32 *start_co_eff_ptr_l; + const WORD32 *start_co_eff_ptr_r; + const WORD32 *ptr_pf_l, *ptr_pf_r; + WORD32 *qmf_states_curr_pos; + WORD32 offset = 0; + WORD32 n_channels = pstr_mps_state->num_input_channels; + WORD32 nr_samples = pstr_mps_state->time_slots; + WORD32 qmf_bands = pstr_mps_state->qmf_bands; + WORD32 shift = pstr_mps_state->bits_per_sample - 16; + WORD32 gain = pstr_mps_state->clip_protect_gain; + + WORD32 *p_ana_real = r_analysis; + WORD32 *p_ana_imag = i_analysis; + + WORD32 *p_ana_re, *p_ana_im; + + flag = qmf_bank->flag; + if (!flag) { + fp1 = qmf_bank->qmf_states_buffer; + fp2 = qmf_bank->qmf_states_buffer + qmf_bands; + } else { + fp2 = qmf_bank->qmf_states_buffer; + fp1 = qmf_bank->qmf_states_buffer + qmf_bands; + } + + qmf_bank->qmf_states_curr_pos = + ((WORD32 *)(qmf_bank->qmf_states_buffer) + (qmf_bank->offset * qmf_bands)); + + offset = qmf_bank->offset; + start_co_eff_ptr_l = qmf_bank->ref_co_eff_ptr_l + qmf_bank->offset_l; + start_co_eff_ptr_r = qmf_bank->ref_co_eff_ptr_r - qmf_bank->offset_r; + + for (i = 0; i < nr_samples; i++) { + const WORD16 *pcoz = qmf_table_ptr->ia_qmf_anl_addt_cos, + *psin = qmf_table_ptr->ia_qmf_anl_addt_sin; + qmf_states_curr_pos = qmf_bank->qmf_states_curr_pos; + + p_ana_re = p_ana_real; + p_ana_im = p_ana_imag; + + temp = fp1; + fp1 = fp2; + fp2 = temp; + + if (flag) { + start_co_eff_ptr_l--; + + if (start_co_eff_ptr_l == qmf_bank->ref_co_eff_ptr_l) start_co_eff_ptr_l += 5; + } else { + start_co_eff_ptr_r++; + if (start_co_eff_ptr_r == qmf_bank->ref_co_eff_ptr_r) start_co_eff_ptr_r -= 5; + } + + flag++; + if ((flag & ONE_BIT_MASK) == 0) flag = 0; + + if (shift == 0) { + for (k = 0; k < qmf_bands; k++) { + qmf_states_curr_pos[k] = ixheaacd_mps_mult32_shr_15( + (WORD32)time_in[n_channels * (i * qmf_bands + k) + channel], gain); + } + } else { + for (k = 0; k < qmf_bands; k++) { + WORD32 temp; + temp = ixheaacd_mps_mult32_shr_15( + (WORD32)time_in[n_channels * (i * qmf_bands + k) + channel], gain); + + qmf_states_curr_pos[k] = temp >> shift; + } + } + + ptr_pf_l = start_co_eff_ptr_l; + ptr_pf_r = start_co_eff_ptr_r; + + for (k = 0; k < qmf_bands; k++) { + { + accu1 = (WORD64)((WORD64)ptr_pf_l[0] * (WORD64)fp1[k]); + accu1 += (WORD64)((WORD64)ptr_pf_l[1] * (WORD64)fp1[128 + k]); + accu1 += (WORD64)((WORD64)ptr_pf_l[2] * (WORD64)fp1[256 + k]); + accu1 += (WORD64)((WORD64)ptr_pf_l[3] * (WORD64)fp1[384 + k]); + accu1 += (WORD64)((WORD64)ptr_pf_l[4] * (WORD64)fp1[512 + k]); + + accu2 = (WORD64)((WORD64)ptr_pf_r[-1] * (WORD64)fp2[k]); + accu2 += (WORD64)((WORD64)ptr_pf_r[-2] * (WORD64)fp2[128 + k]); + accu2 += (WORD64)((WORD64)ptr_pf_r[-3] * (WORD64)fp2[256 + k]); + accu2 += (WORD64)((WORD64)ptr_pf_r[-4] * (WORD64)fp2[384 + k]); + accu2 += (WORD64)((WORD64)ptr_pf_r[-5] * (WORD64)fp2[512 + k]); + } + syn_buffer[(qmf_bands << 1) - 1 - k] = (WORD32)((WORD64)accu1 >> 21); + syn_buffer[qmf_bands - 1 - k] = (WORD32)((WORD64)accu2 >> 21); + ptr_pf_l += 10; + ptr_pf_r -= 10; + } + + ia_mps_enc_fwd_mod(syn_buffer, p_ana_re, p_ana_im, qmf_table_ptr); + + for (m = 0; m < (qmf_bands >> 1); m++) { + WORD32 a_cos, b_cos, a_sin, b_sin; + WORD32 a_cos1, b_cos1, a_sin1, b_sin1; + + WORD16 coz = *pcoz++, sin = *psin++; + + a_cos = ixheaacd_mult32x16in32(p_ana_re[m], coz); + b_sin = ixheaacd_mult32x16in32(p_ana_im[m], sin); + b_cos = ixheaacd_mult32x16in32(p_ana_im[m], coz); + a_sin = ixheaacd_mult32x16in32(p_ana_re[m], sin); + + p_ana_re[m] = ((a_cos + b_sin) << 1); + p_ana_im[m] = ((b_cos - a_sin) << 1); + + a_cos1 = ixheaacd_mult32x16in32(p_ana_re[qmf_bands - 1 - m], coz); + b_sin1 = ixheaacd_mult32x16in32(p_ana_im[qmf_bands - 1 - m], sin); + + a_sin1 = ixheaacd_mult32x16in32(p_ana_re[qmf_bands - 1 - m], sin); + p_ana_re[qmf_bands - 1 - m] = ((-a_cos1 + b_sin1) << 1); + b_cos1 = ixheaacd_mult32x16in32(p_ana_im[qmf_bands - 1 - m], coz); + + p_ana_im[qmf_bands - 1 - m] = ((-b_cos1 - a_sin1) << 1); + } + + qmf_bank->qmf_states_curr_pos = qmf_bank->qmf_states_curr_pos + qmf_bands; + offset++; + if (offset == 10) { + offset = 0; + qmf_bank->qmf_states_curr_pos = qmf_bank->qmf_states_buffer; + } + + p_ana_real += MAX_NUM_QMF_BANDS; + p_ana_imag += MAX_NUM_QMF_BANDS; + } + + qmf_bank->offset_l = (WORD32)(start_co_eff_ptr_l - qmf_bank->ref_co_eff_ptr_l); + qmf_bank->offset_r = (WORD32)(qmf_bank->ref_co_eff_ptr_r - start_co_eff_ptr_r); + + qmf_bank->flag = flag; + qmf_bank->offset = offset; +} |