/****************************************************************************** * * * 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 IA_ERRORCODE ia_enhaacplus_enc_init_tns_configuration(WORD32 bit_rate, WORD32 sample_rate, WORD32 channels, ixheaace_temporal_noise_shaping_config *pstr_tns_config, ixheaace_psy_configuration_long *pstr_psy_config, WORD32 active, ixheaace_temporal_noise_shaping_tables *pstr_tns_tab, WORD32 frame_len_long, WORD32 aot); IA_ERRORCODE ia_enhaacplus_enc_init_tns_configuration_short( WORD32 bit_rate, WORD32 sample_rate, WORD32 channels, ixheaace_temporal_noise_shaping_config *pstr_tns_config, ixheaace_psy_configuration_short *pstr_psy_config, WORD32 active, ixheaace_temporal_noise_shaping_tables *pstr_tns_tab, WORD32 frame_len_long, WORD32 aot); IA_ERRORCODE ia_enhaacplus_enc_tns_detect(ixheaace_temporal_noise_shaping_data *pstr_tns_data, ixheaace_temporal_noise_shaping_config tns_config, FLOAT32 *ptr_scratch_tns, const WORD32 *ptr_sfb_offset, FLOAT32 *ptr_spectrum, WORD32 sub_blk_num, WORD32 block_type, WORD32 aot, FLOAT32 *ptr_sfb_energy, FLOAT32 *ptr_shared_buffer1, WORD32 long_frame_len); VOID ia_enhaacplus_enc_tns_sync(ixheaace_temporal_noise_shaping_data *pstr_tns_data_dst, const ixheaace_temporal_noise_shaping_data *pstr_tns_data_src, const ixheaace_temporal_noise_shaping_config tns_config, const WORD32 sub_blk_num, const WORD32 block_type); VOID ia_enhaacplus_enc_tns_encode(ixheaace_temporal_noise_shaping_params *pstr_tns_info, ixheaace_temporal_noise_shaping_data *pstr_tns_data, WORD32 num_sfb, ixheaace_temporal_noise_shaping_config tns_config, WORD32 lowpass_line, FLOAT32 *ptr_spectrum, WORD32 sub_blk_num, WORD32 block_type, ixheaace_temporal_noise_shaping_tables *pstr_tns_tab); VOID ia_enhaacplus_enc_apply_tns_mult_table_to_ratios(WORD32 startCb, WORD32 stopCb, FLOAT32 *thresholds); VOID ia_enhaacplus_enc_calc_weighted_spectrum(FLOAT32 *ptr_spectrum, FLOAT32 *ptr_weighted_spec, FLOAT32 *ptr_sfb_energy, const WORD32 *ptr_sfb_offset, WORD32 lpc_start_line, WORD32 lpc_stop_line, WORD32 lpc_start_band, WORD32 lpc_stop_band, FLOAT32 *ptr_shared_buffer1, WORD32 aot); VOID ia_enhaacplus_enc_auto_correlation(const FLOAT32 *ptr_input, FLOAT32 *ptr_corr, WORD32 samples, WORD32 corr_coeff); VOID ia_enhaacplus_enc_analysis_filter_lattice(const FLOAT32 *ptr_signal, WORD32 num_lines, const FLOAT32 *ptr_par_coeff, WORD32 order, FLOAT32 *ptr_output);