1 /****************************************************************************** 2 * * 3 * Copyright (C) 2018 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_FUNC_DEF_H 21 #define IXHEAACD_FUNC_DEF_H 22 23 #define restrict 24 25 WORD32 ixheaacd_calc_idx_offset(WORD32 qn1, WORD32 qn2); 26 27 VOID ixheaacd_qn_data(WORD32 nk_mode, WORD32 *qn, 28 ia_bit_buf_struct *it_bit_buff); 29 30 VOID ixheaacd_memset(FLOAT32 *x, WORD32 n); 31 32 VOID ixheaacd_mem_cpy(const FLOAT32 x[], FLOAT32 y[], WORD32 n); 33 34 VOID ixheaacd_vec_add(FLOAT32 x[], FLOAT32 y[], FLOAT32 z[], WORD32 n); 35 36 VOID ixheaacd_vec_cnst_mul(FLOAT32 a, FLOAT32 x[], FLOAT32 z[], WORD32 n); 37 38 WORD32 ixheaacd_lpd_dec(ia_usac_data_struct *usac_data, 39 ia_usac_lpd_decoder_handle st, 40 ia_td_frame_data_struct *pstr_td_frame_data, 41 FLOAT32 fsynth[], WORD32 first_lpd_flag, 42 WORD32 short_fac_flag, WORD32 bpf_control_info); 43 44 WORD32 ixheaacd_lpd_dec_update(ia_usac_lpd_decoder_handle tddec, 45 ia_usac_data_struct *usac_data, WORD32 i_ch); 46 47 VOID ixheaacd_acelp_update(ia_usac_data_struct *usac_data, FLOAT32 signal_out[], 48 ia_usac_lpd_decoder_handle st); 49 50 VOID ixheaacd_init_acelp_data(ia_usac_data_struct *usac_data, 51 ia_usac_lpd_decoder_handle st); 52 53 VOID ixheaacd_reset_acelp_data(ia_usac_data_struct *usac_data, 54 ia_usac_lpd_decoder_handle st, 55 FLOAT32 *ptr_ola_buffer, WORD32 last_was_short, 56 WORD32 tw_mdct); 57 58 WORD32 ixheaacd_acelp_alias_cnx(ia_usac_data_struct *usac_data, 59 ia_td_frame_data_struct *pstr_td_frame_data, 60 WORD32 k, FLOAT32 A[], FLOAT32 stab_fac, 61 ia_usac_lpd_decoder_handle st); 62 63 WORD32 ixheaacd_tcx_mdct(ia_usac_data_struct *usac_data, 64 ia_td_frame_data_struct *pstr_td_frame_data, 65 WORD32 frame_index, FLOAT32 A[], WORD32 long_frame, 66 ia_usac_lpd_decoder_handle st); 67 68 VOID ixheaacd_alg_vec_dequant(ia_td_frame_data_struct *pstr_td_frame_data, 69 WORD32 first_lpd_flag, FLOAT32 *lsf, 70 WORD32 mod[]); 71 72 VOID ixheaacd_fac_decoding(WORD32 fac_len, WORD32 k, WORD32 *fac_prm, 73 ia_bit_buf_struct *it_bit_buff); 74 75 VOID ixheaacd_lpc_to_td(FLOAT32 *lpc_coeffs, WORD32 lpc_order, 76 FLOAT32 *mdct_gains, WORD32 lg); 77 78 VOID ixheaacd_noise_shaping(FLOAT32 x[], WORD32 lg, WORD32 fdns_npts, 79 FLOAT32 old_gains[], FLOAT32 new_gains[]); 80 VOID ixheaacd_interpolation_lsp_params(FLOAT32 lsp_old[], FLOAT32 lsp_new[], 81 FLOAT32 lp_flt_coff_a[], 82 WORD32 nb_subfr); 83 84 VOID ixheaacd_lpc_coef_gen(FLOAT32 lsf_old[], FLOAT32 lsf_new[], FLOAT32 a[], 85 WORD32 nb_subfr, WORD32 m); 86 87 VOID ixheaacd_tw_create(VOID); 88 89 WORD32 ixheaacd_reset_acelp_tw_data(ia_usac_data_struct *usac_data, WORD32 i, 90 ia_usac_lpd_decoder_handle st); 91 92 WORD32 ixheaacd_tw_frame_process(ia_usac_data_struct *usac_data, WORD32 ch); 93 94 VOID ixheaacd_huffman_decode(WORD32 it_bit_buff, WORD16 *h_index, WORD16 *len, 95 const UWORD16 *input_table, 96 const UWORD32 *idx_table); 97 98 #endif 99