/****************************************************************************** * * * 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 typedef struct { const WORD32 sqrt_tab[513]; const WORD32 sine_array[3]; const WORD32 cosine_array[3]; const FLOAT32 sin_arr[3]; const FLOAT32 cos_arr[3]; const WORD32 power_of_2_table_pos[256]; const WORD32 power_of_2_table_neg[256]; const WORD32 log_natural_Q25[128]; const WORD32 sfb_width_pow_point_25_Q28[25]; const short ia_enhaacplus_enc_w1024[768]; } ixheaace_common_tables; extern const ixheaace_common_tables ia_enhaacplus_enc_common_tab; typedef struct { ixheaace_common_tables *pstr_common_tab; } ixheaace_comm_tables; extern const FLOAT64 ia_enhaacplus_enc_twiddle_table_3pr[1155]; extern const FLOAT64 ia_enhaacplus_enc_twiddle_table_3pi[1155]; extern const FLOAT64 ia_enhaacplus_enc_twiddle_table_fft_32x32[514]; extern const WORD32 ia_enhaacplus_enc_fft240_table1[240]; extern const WORD32 ia_enhaacplus_enc_fft240_table2[240]; extern const UWORD32 ia_sampl_freq_table[16]; extern const UWORD32 ia_usac_sampl_freq_table[32];