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_TNS_H 21 #define IXHEAACD_TNS_H 22 23 VOID ixheaacd_aac_tns_process( 24 ia_aac_dec_channel_info_struct *ptr_aac_dec_channel_info, WORD32 num_ch, 25 ia_aac_dec_tables_struct *ptr_aac_tables, WORD object_type, WORD32 ar_flag, 26 WORD32 *predicted_spectrum); 27 28 WORD16 ixheaacd_read_tns_data( 29 ia_bit_buf_struct *it_bit_buff, 30 ia_aac_dec_channel_info_struct *ptr_aac_dec_channel_info); 31 32 WORD32 ixheaacd_calc_max_spectral_line_dec(WORD32 *ptr_tmp, WORD32 size); 33 34 WORD32 ixheaacd_calc_max_spectral_line_armv7(WORD32 *ptr_tmp, WORD32 size); 35 36 WORD32 ixheaacd_calc_max_spectral_line_armv8(WORD32 *ptr_tmp, WORD32 size); 37 38 VOID ixheaacd_tns_decode_coef(const ia_filter_info_struct *filter, 39 WORD16 *parcor_coeff, 40 ia_aac_dec_tables_struct *ptr_aac_tables); 41 42 VOID ixheaacd_tns_parcor_lpc_convert_dec(WORD16 *parcor, WORD16 *lpc, 43 WORD16 *scale, WORD order); 44 45 void ixheaacd_tns_parcor_lpc_convert_dec_ld(WORD32 *parcor, WORD32 *lpc, 46 WORD16 *scale, WORD32 order); 47 48 VOID ixheaacd_tns_parcor_lpc_convert_armv7(WORD16 *parcor, WORD16 *lpc, 49 WORD16 *scale, WORD order); 50 51 VOID ixheaacd_tns_ar_filter_dec(WORD32 *spectrum, WORD32 size, WORD32 inc, 52 WORD16 *lpc, WORD32 order, WORD32 shift_value, 53 WORD scale_spec, WORD32 *ptr_filter_state); 54 55 void ixheaacd_tns_ma_filter_fixed_ld(WORD32 *spectrum, WORD32 size, WORD32 inc, 56 WORD32 *lpc, WORD32 order, 57 WORD16 shift_value); 58 59 VOID ixheaacd_tns_ar_filter_armv7(WORD32 *spectrum, WORD32 size, WORD32 inc, 60 WORD16 *lpc, WORD32 order, WORD32 shift_value, 61 WORD scale_spec, WORD32 *ptr_filter_state); 62 63 VOID ixheaacd_tns_decode_coefficients(const ia_filter_info_struct *filter, 64 WORD32 *a, 65 ia_aac_dec_tables_struct *ptr_aac_tables); 66 VOID ixheaacd_tns_parcor_to_lpc(WORD32 *parcor, WORD32 *lpc, WORD16 *scale, 67 WORD32 order); 68 69 VOID ixheaacd_tns_ar_filter_fixed_dec(WORD32 *spectrum, WORD32 size, WORD32 inc, 70 WORD32 *lpc, WORD32 order, 71 WORD32 shift_value, WORD scale_spec); 72 73 VOID ixheaacd_tns_ar_filter_fixed_armv7(WORD32 *spectrum, WORD32 size, 74 WORD32 inc, WORD32 *lpc, WORD32 order, 75 WORD32 shift_value, WORD scale_spec); 76 77 VOID ixheaacd_tns_ar_filter_fixed_non_neon_armv7(WORD32 *spectrum, WORD32 size, 78 WORD32 inc, WORD32 *lpc, 79 WORD32 order, 80 WORD32 shift_value, 81 WORD scale_spec); 82 83 VOID ixheaacd_tns_ar_filter_fixed_armv8(WORD32 *spectrum, WORD32 size, 84 WORD32 inc, WORD32 *lpc, WORD32 order, 85 WORD32 shift_value, WORD scale_spec); 86 87 #endif /* #ifndef IXHEAACD_TNS_H */ 88