| /****************************************************************************** |
| * * |
| * Copyright (C) 2018 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 |
| */ |
| #ifndef IXHEAACD_FUNC_DEF_H |
| #define IXHEAACD_FUNC_DEF_H |
| |
| #define restrict |
| |
| WORD32 ixheaacd_calc_idx_offset(WORD32 qn1, WORD32 qn2); |
| |
| VOID ixheaacd_qn_data(WORD32 nk_mode, WORD32 *qn, |
| ia_bit_buf_struct *it_bit_buff); |
| |
| VOID ixheaacd_memset(FLOAT32 *x, WORD32 n); |
| |
| VOID ixheaacd_mem_cpy(const FLOAT32 x[], FLOAT32 y[], WORD32 n); |
| |
| VOID ixheaacd_vec_add(FLOAT32 x[], FLOAT32 y[], FLOAT32 z[], WORD32 n); |
| |
| VOID ixheaacd_vec_cnst_mul(FLOAT32 a, FLOAT32 x[], FLOAT32 z[], WORD32 n); |
| |
| WORD32 ixheaacd_lpd_dec(ia_usac_data_struct *usac_data, |
| ia_usac_lpd_decoder_handle st, |
| ia_td_frame_data_struct *pstr_td_frame_data, |
| FLOAT32 fsynth[], WORD32 first_lpd_flag, |
| WORD32 short_fac_flag, WORD32 bpf_control_info); |
| |
| WORD32 ixheaacd_lpd_dec_update(ia_usac_lpd_decoder_handle tddec, |
| ia_usac_data_struct *usac_data, WORD32 i_ch); |
| |
| VOID ixheaacd_acelp_update(ia_usac_data_struct *usac_data, FLOAT32 signal_out[], |
| ia_usac_lpd_decoder_handle st); |
| |
| VOID ixheaacd_init_acelp_data(ia_usac_data_struct *usac_data, |
| ia_usac_lpd_decoder_handle st); |
| |
| VOID ixheaacd_reset_acelp_data(ia_usac_data_struct *usac_data, |
| ia_usac_lpd_decoder_handle st, |
| FLOAT32 *ptr_ola_buffer, WORD32 last_was_short, |
| WORD32 tw_mdct); |
| |
| WORD32 ixheaacd_acelp_alias_cnx(ia_usac_data_struct *usac_data, |
| ia_td_frame_data_struct *pstr_td_frame_data, |
| WORD32 k, FLOAT32 A[], FLOAT32 stab_fac, |
| ia_usac_lpd_decoder_handle st); |
| |
| WORD32 ixheaacd_tcx_mdct(ia_usac_data_struct *usac_data, |
| ia_td_frame_data_struct *pstr_td_frame_data, |
| WORD32 frame_index, FLOAT32 A[], WORD32 long_frame, |
| ia_usac_lpd_decoder_handle st); |
| |
| VOID ixheaacd_alg_vec_dequant(ia_td_frame_data_struct *pstr_td_frame_data, |
| WORD32 first_lpd_flag, FLOAT32 *lsf, |
| WORD32 mod[]); |
| |
| VOID ixheaacd_fac_decoding(WORD32 fac_len, WORD32 k, WORD32 *fac_prm, |
| ia_bit_buf_struct *it_bit_buff); |
| |
| VOID ixheaacd_lpc_to_td(FLOAT32 *lpc_coeffs, WORD32 lpc_order, |
| FLOAT32 *mdct_gains, WORD32 lg); |
| |
| VOID ixheaacd_noise_shaping(FLOAT32 x[], WORD32 lg, WORD32 fdns_npts, |
| FLOAT32 old_gains[], FLOAT32 new_gains[]); |
| VOID ixheaacd_interpolation_lsp_params(FLOAT32 lsp_old[], FLOAT32 lsp_new[], |
| FLOAT32 lp_flt_coff_a[], |
| WORD32 nb_subfr); |
| |
| VOID ixheaacd_lpc_coef_gen(FLOAT32 lsf_old[], FLOAT32 lsf_new[], FLOAT32 a[], |
| WORD32 nb_subfr, WORD32 m); |
| |
| VOID ixheaacd_tw_create(VOID); |
| |
| WORD32 ixheaacd_reset_acelp_tw_data(ia_usac_data_struct *usac_data, WORD32 i, |
| ia_usac_lpd_decoder_handle st); |
| |
| WORD32 ixheaacd_tw_frame_process(ia_usac_data_struct *usac_data, WORD32 ch); |
| |
| VOID ixheaacd_huffman_decode(WORD32 it_bit_buff, WORD16 *h_index, WORD16 *len, |
| const UWORD16 *input_table, |
| const UWORD32 *idx_table); |
| |
| #endif |