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 enum _avoid_hole_state { NO_AH = 0, AH_INACTIVE = 1, AH_ACTIVE = 2 }; 23 24 typedef struct { 25 FLOAT32 *sfb_ld_energy; 26 FLOAT32 *sfb_lines; 27 FLOAT32 sfb_pe[MAXIMUM_GROUPED_SCALE_FACTOR_BAND]; 28 FLOAT32 sfb_const_part[MAXIMUM_GROUPED_SCALE_FACTOR_BAND]; 29 FLOAT32 num_sfb_active_lines[MAXIMUM_GROUPED_SCALE_FACTOR_BAND]; 30 FLOAT32 pe; 31 FLOAT32 const_part; 32 FLOAT32 num_active_lines; 33 } ia_qc_pe_chan_data_struct; 34 35 typedef struct { 36 ia_qc_pe_chan_data_struct pe_ch_data[30]; 37 FLOAT32 pe; 38 FLOAT32 const_part; 39 FLOAT32 num_active_lines; 40 FLOAT32 offset; 41 } ia_qc_pe_data_struct; 42 43 VOID iaace_adj_thr_init(ia_adj_thr_state_struct *pstr_adj_thr_state, const FLOAT32 mean_pe, 44 WORD32 ch_bitrate, WORD32 aot); 45 46 VOID iaace_adjust_threshold(ia_adj_thr_state_struct *pstr_adj_thr_state, 47 ia_adj_thr_elem_struct *pstr_adj_thr_elem, 48 ixheaace_psy_out_channel **pstr_psy_out, 49 FLOAT32 *ptr_ch_bit_dist, ixheaace_qc_out_element *pstr_qc_out_el, 50 const WORD32 avg_bits, const WORD32 bitres_bits, 51 const WORD32 max_bitres_bits, const WORD32 side_info_bits, 52 FLOAT32 *max_bit_fac, FLOAT32 *ptr_sfb_num_relevant_lines, 53 FLOAT32 *ptr_sfb_ld_energy, WORD32 num_chans, WORD32 chn, WORD32 aot, 54 WORD8 *ptr_scratch); 55