1 /****************************************************************************** 2 * * 3 * Copyright (C) 2023 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ***************************************************************************** 18 * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore 19 */ 20 21 #pragma once 22 #define NB_SPHERE 32 23 #define LEN_ABS_LEADER 37 24 #define LEN_SIGN_LEADER 226 25 26 VOID iusace_find_nearest_neighbor(FLOAT32 *bk, WORD32 *ck); 27 VOID iusace_apply_voronoi_ext(WORD32 *x, WORD32 *n, WORD32 *idx, WORD32 *k); 28 VOID iusace_alg_vec_quant(FLOAT32 *ptr_input, WORD32 *ptr_out, WORD32 *ptr_lpc_idx); 29 30 extern const WORD32 iusace_pow2_table[8]; 31 extern const WORD32 iusace_factorial_table[8]; 32 extern const WORD32 iusace_iso_code_index_table[LEN_ABS_LEADER]; 33 extern const UWORD8 iusace_iso_code_data_table[LEN_SIGN_LEADER]; 34 extern const UWORD32 iusace_signed_leader_is[LEN_SIGN_LEADER]; 35 extern const WORD32 iusace_da_nq[], iusace_da_pos[], iusace_da_num_bits[]; 36 extern const UWORD32 iusace_da_id[]; 37 extern const FLOAT32 iusace_wlsf_factor_table[4]; 38 extern const FLOAT32 iusace_dico_lsf_abs_8b_flt[16 * 256]; 39