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_MPS_RES_TNS_H 21 #define IXHEAACD_MPS_RES_TNS_H 22 23 VOID ixheaacd_res_ctns_apply(ia_mps_dec_residual_channel_info_struct *p_aac_decoder_channel_info, 24 WORD16 max_sfb, 25 ia_mps_dec_residual_aac_tables_struct *aac_tables_ptr); 26 27 WORD16 28 ixheaacd_res_c_tns_read(ia_bit_buf_struct *it_bit_buf, 29 ia_mps_dec_residual_channel_info_struct *p_aac_decoder_channel_info); 30 31 WORD32 ixheaacd_res_calc_max_spectral_line(WORD32 *p_tmp, WORD32 size); 32 33 VOID ixheaacd_res_tns_parcor_2_lpc_32x16(WORD16 *parcor, WORD16 *lpc, WORD16 *scale, WORD order); 34 35 VOID ixheaacd_res_tns_ar_filter_fixed_32x16(WORD32 *spectrum, WORD32 size, WORD32 inc, 36 WORD16 *lpc, WORD32 order, WORD32 shift_value, 37 WORD scale_spec); 38 39 #endif /* IXHEAACD_MPS_RES_TNS_H */ 40