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 #ifndef MIN 23 #define MIN(a, b) ((a) < (b) ? (a) : (b)) 24 #endif 25 26 #ifndef MAX 27 #define MAX(a, b) ((a) > (b) ? (a) : (b)) 28 #endif 29 30 typedef struct { 31 WORD32 low; 32 WORD32 high; 33 WORD32 value; 34 } iusace_state_arith; 35 36 WORD32 iusace_arith_enc_spec(ia_bit_buf_struct *it_bit_buf, WORD32 window_sequence, 37 WORD32 *ptr_x_ac_enc, WORD32 max_spec_coefficients, 38 WORD32 *ptr_c_pres, WORD32 *ptr_c_prev, WORD32 *ptr_size_prev, 39 WORD32 arith_reset_flag, WORD32 ccfl); 40 41 WORD32 iusace_tcx_coding(ia_bit_buf_struct *pstr_it_bit_buff, WORD32 tcx_size, 42 WORD32 max_tcx_size, WORD32 *ptr_quant, WORD32 *c_pres, WORD32 *c_prev); 43 44 WORD32 iusace_arith_done(ia_bit_buf_struct *pstr_it_bit_buff, WORD32 bp, iusace_state_arith *s); 45 46 WORD32 iusace_arith_encode(ia_bit_buf_struct *pstr_it_bit_buff, WORD32 bp, iusace_state_arith *s, 47 WORD32 symbol, UWORD16 const *cum_freq); 48