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 #ifndef IXHEAACD_EC_H 21 #define IXHEAACD_EC_H 22 23 VOID ixheaacd_aac_ec_init(ia_ec_state_str *pstr_ec_state); 24 25 VOID ixheaacd_aac_apply_ec(ia_ec_state_str *pstr_ec_state, 26 ia_aac_dec_channel_info_struct *pstr_aac_dec_channel_info, 27 const ia_usac_samp_rate_info *pstr_samp_rate_info, 28 const WORD32 num_samples, ia_ics_info_struct *pstr_ics_info, 29 const WORD32 frame_status); 30 31 VOID ixheaacd_usac_ec_init(ia_ec_state_str *pstr_ec_state, WORD32 core_coder_mode); 32 33 VOID ixheaacd_usac_ec_save_states(ia_ec_state_str *pstr_ec_state, 34 ia_usac_data_struct *pstr_usac_data, WORD32 ch); 35 36 VOID ixheaacd_usac_apply_ec(ia_usac_data_struct *pstr_usac_data, 37 const ia_usac_samp_rate_info *pstr_samp_rate_info, WORD32 ch); 38 39 VOID ixheaacd_usac_lpc_ec(FLOAT32 lsp[][ORDER], FLOAT32 *lpc4_lsf, FLOAT32 *lsf_adaptive_mean, 40 const WORD32 first_lpd_flag); 41 42 VOID ixheaacd_usac_tcx_ec(ia_usac_data_struct *pstr_usac_data, ia_usac_lpd_decoder_handle st, 43 FLOAT32 *ptr_lsp_curr, WORD32 frame_idx, FLOAT32 *lp_flt_coff_a); 44 45 #endif /* IXHEAACD_EC_H */ 46