/****************************************************************************** * * * 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 { WORD32 sample_rate; WORD32 num_sfb_long; WORD32 num_sfb_short; const WORD16 *cb_offset_long; const WORD16 *cb_offset_short; WORD32 sfb_width_long[MAX_SFB_LONG]; WORD32 sfb_width_short[MAX_SFB_SHORT]; } ia_sfb_info_struct; VOID iusace_psy_long_config_init(WORD32 bit_rate, WORD32 sample_rate, WORD32 band_width, ia_psy_mod_long_config_struct *pstr_psy_config, WORD32 ccfl); VOID iusace_psy_short_config_init(WORD32 bit_rate, WORD32 sample_rate, WORD32 band_width, ia_psy_mod_short_config_struct *pstr_psy_config, WORD32 ccfl); VOID iusace_calc_band_energy(const FLOAT64 *ptr_spec_coeffs, const WORD32 *band_offset, const WORD32 num_bands, FLOAT32 *ptr_band_energy, WORD32 sfb_count); VOID iusace_find_max_spreading(const WORD32 sfb_count, const FLOAT32 *ptr_mask_low_fac, const FLOAT32 *ptr_mask_high_fac, FLOAT32 *ptr_spreaded_enegry); VOID iusace_pre_echo_control(FLOAT32 *ptr_thr_nm1, WORD32 sfb_count, FLOAT32 max_allowed_inc_fac, FLOAT32 min_remaining_thr_fac, FLOAT32 *ptr_threshold); IA_ERRORCODE iusace_sfb_params_init(WORD32 sample_rate, WORD32 frame_len, WORD32 *ptr_sfb_width, WORD32 *num_sfb, WORD32 win_seq); WORD32 iusace_map_sample_rate(WORD32 sample_rate);