| /****************************************************************************** |
| * * |
| * 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_TNS_H |
| #define IXHEAACD_TNS_H |
| |
| VOID ixheaacd_aac_tns_process( |
| ia_aac_dec_channel_info_struct *ptr_aac_dec_channel_info, WORD32 num_ch, |
| ia_aac_dec_tables_struct *ptr_aac_tables, WORD object_type, WORD32 ar_flag, |
| WORD32 *predicted_spectrum); |
| |
| WORD16 ixheaacd_read_tns_data( |
| ia_bit_buf_struct *it_bit_buff, |
| ia_aac_dec_channel_info_struct *ptr_aac_dec_channel_info); |
| |
| WORD32 ixheaacd_calc_max_spectral_line_dec(WORD32 *ptr_tmp, WORD32 size); |
| |
| WORD32 ixheaacd_calc_max_spectral_line_armv7(WORD32 *ptr_tmp, WORD32 size); |
| |
| WORD32 ixheaacd_calc_max_spectral_line_armv8(WORD32 *ptr_tmp, WORD32 size); |
| |
| VOID ixheaacd_tns_decode_coef(const ia_filter_info_struct *filter, |
| WORD16 *parcor_coeff, |
| ia_aac_dec_tables_struct *ptr_aac_tables); |
| |
| VOID ixheaacd_tns_parcor_lpc_convert_dec(WORD16 *parcor, WORD16 *lpc, |
| WORD16 *scale, WORD order); |
| |
| void ixheaacd_tns_parcor_lpc_convert_dec_ld(WORD32 *parcor, WORD32 *lpc, |
| WORD16 *scale, WORD32 order); |
| |
| VOID ixheaacd_tns_parcor_lpc_convert_armv7(WORD16 *parcor, WORD16 *lpc, |
| WORD16 *scale, WORD order); |
| |
| VOID ixheaacd_tns_ar_filter_dec(WORD32 *spectrum, WORD32 size, WORD32 inc, |
| WORD16 *lpc, WORD32 order, WORD32 shift_value, |
| WORD scale_spec, WORD32 *ptr_filter_state); |
| |
| void ixheaacd_tns_ma_filter_fixed_ld(WORD32 *spectrum, WORD32 size, WORD32 inc, |
| WORD32 *lpc, WORD32 order, |
| WORD16 shift_value); |
| |
| VOID ixheaacd_tns_ar_filter_armv7(WORD32 *spectrum, WORD32 size, WORD32 inc, |
| WORD16 *lpc, WORD32 order, WORD32 shift_value, |
| WORD scale_spec, WORD32 *ptr_filter_state); |
| |
| VOID ixheaacd_tns_decode_coefficients(const ia_filter_info_struct *filter, |
| WORD32 *a, |
| ia_aac_dec_tables_struct *ptr_aac_tables); |
| VOID ixheaacd_tns_parcor_to_lpc(WORD32 *parcor, WORD32 *lpc, WORD16 *scale, |
| WORD32 order); |
| |
| VOID ixheaacd_tns_ar_filter_fixed_dec(WORD32 *spectrum, WORD32 size, WORD32 inc, |
| WORD32 *lpc, WORD32 order, |
| WORD32 shift_value, WORD scale_spec); |
| |
| VOID ixheaacd_tns_ar_filter_fixed_armv7(WORD32 *spectrum, WORD32 size, |
| WORD32 inc, WORD32 *lpc, WORD32 order, |
| WORD32 shift_value, WORD scale_spec); |
| |
| VOID ixheaacd_tns_ar_filter_fixed_non_neon_armv7(WORD32 *spectrum, WORD32 size, |
| WORD32 inc, WORD32 *lpc, |
| WORD32 order, |
| WORD32 shift_value, |
| WORD scale_spec); |
| |
| VOID ixheaacd_tns_ar_filter_fixed_armv8(WORD32 *spectrum, WORD32 size, |
| WORD32 inc, WORD32 *lpc, WORD32 order, |
| WORD32 shift_value, WORD scale_spec); |
| |
| #endif /* #ifndef IXHEAACD_TNS_H */ |