1 /****************************************************************************** 2 * * 3 * Copyright (C) 2018 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 #ifndef IXHEAACD_COMMON_ROM_H 21 #define IXHEAACD_COMMON_ROM_H 22 23 #define LOG_2_TABLE_SIZE 65 24 #define INV_TABLE_SIZE 256 25 #define SQRT_TABLE_SIZE 256 26 27 typedef struct { 28 const WORD16 trig_data[513]; 29 const WORD16 sine_table8_16[8]; 30 const WORD16 log_dual_is_table[LOG_2_TABLE_SIZE]; 31 32 const WORD32 down_mix_martix[4][2][8]; 33 const WORD32 cc_gain_scale[4]; 34 35 WORD16 inv_table[INV_TABLE_SIZE]; 36 const WORD16 sqrt_table[SQRT_TABLE_SIZE + 1]; 37 38 WORD32 dummy; 39 WORD32 start_band[10][16]; 40 WORD32 stop_band[10][16]; 41 WORD32 stop_freq_table_fs40k_2[14]; 42 WORD32 stop_freq_table_fs40k_4[14]; 43 } ixheaacd_misc_tables; 44 45 extern const ixheaacd_misc_tables ixheaacd_str_fft_n_transcendent_tables; 46 47 #endif 48