mirror of
https://github.com/ittiam-systems/libxaac.git
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38 lines
1.7 KiB
C
38 lines
1.7 KiB
C
/******************************************************************************
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* *
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* Copyright (C) 2023 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*****************************************************************************
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* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
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*/
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#pragma once
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#define NB_SPHERE 32
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#define LEN_ABS_LEADER 37
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#define LEN_SIGN_LEADER 226
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VOID iusace_find_nearest_neighbor(FLOAT32 *bk, WORD32 *ck);
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VOID iusace_apply_voronoi_ext(WORD32 *x, WORD32 *n, WORD32 *idx, WORD32 *k);
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VOID iusace_alg_vec_quant(FLOAT32 *ptr_input, WORD32 *ptr_out, WORD32 *ptr_lpc_idx);
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extern const WORD32 iusace_pow2_table[8];
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extern const WORD32 iusace_factorial_table[8];
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extern const WORD32 iusace_iso_code_index_table[LEN_ABS_LEADER];
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extern const UWORD8 iusace_iso_code_data_table[LEN_SIGN_LEADER];
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extern const UWORD32 iusace_signed_leader_is[LEN_SIGN_LEADER];
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extern const WORD32 iusace_da_nq[], iusace_da_pos[], iusace_da_num_bits[];
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extern const UWORD32 iusace_da_id[];
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extern const FLOAT32 iusace_wlsf_factor_table[4];
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extern const FLOAT32 iusace_dico_lsf_abs_8b_flt[16 * 256];
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