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 21 #pragma once 22 23 typedef struct { 24 WORD32 sampling_rate; 25 WORD32 max_band_1024_long_lc; 26 WORD32 max_band_1024_short_lc; 27 WORD32 max_band_960_long_lc; 28 WORD32 max_band_960_short_lc; 29 WORD32 max_band_512_ld; 30 WORD32 max_band_480_ld; 31 32 } ixheaace_temporal_noise_shaping_max_table; 33 34 typedef struct { 35 WORD32 bit_rate_from; 36 WORD32 bit_rate_to; 37 const ixheaace_temporal_noise_shaping_config_tabulated 38 param_mono_long; /* contains TNS parameters */ 39 const ixheaace_temporal_noise_shaping_config_tabulated param_mono_short; 40 const ixheaace_temporal_noise_shaping_config_tabulated param_stereo_long; 41 const ixheaace_temporal_noise_shaping_config_tabulated param_stereo_short; 42 } ixheaace_temporal_noise_shaping_info_tab; 43 44 IA_ERRORCODE 45 ia_enhaacplus_enc_get_tns_param( 46 ixheaace_temporal_noise_shaping_config_tabulated *pstr_tns_config_tab, WORD32 bit_rate, 47 WORD32 channels, WORD32 block_type, 48 const ixheaace_temporal_noise_shaping_info_tab *pstr_tns_info_tab, WORD32 size); 49 50 VOID ia_enhaacplus_enc_get_tns_max_bands( 51 WORD32 sampling_rate, WORD32 block_type, WORD32 *tns_max_sfb, 52 const ixheaace_temporal_noise_shaping_max_table *pstr_tns_max_bands_tab, WORD32 size, 53 WORD32 aot, WORD32 frame_length); 54