/****************************************************************************** * * * 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 */ #pragma once #define NB_SPHERE 32 #define LEN_ABS_LEADER 37 #define LEN_SIGN_LEADER 226 VOID iusace_find_nearest_neighbor(FLOAT32 *bk, WORD32 *ck); VOID iusace_apply_voronoi_ext(WORD32 *x, WORD32 *n, WORD32 *idx, WORD32 *k); VOID iusace_alg_vec_quant(FLOAT32 *ptr_input, WORD32 *ptr_out, WORD32 *ptr_lpc_idx); extern const WORD32 iusace_pow2_table[8]; extern const WORD32 iusace_factorial_table[8]; extern const WORD32 iusace_iso_code_index_table[LEN_ABS_LEADER]; extern const UWORD8 iusace_iso_code_data_table[LEN_SIGN_LEADER]; extern const UWORD32 iusace_signed_leader_is[LEN_SIGN_LEADER]; extern const WORD32 iusace_da_nq[], iusace_da_pos[], iusace_da_num_bits[]; extern const UWORD32 iusace_da_id[]; extern const FLOAT32 iusace_wlsf_factor_table[4]; extern const FLOAT32 iusace_dico_lsf_abs_8b_flt[16 * 256];