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_USAC_H 21 #define IXHEAACD_TNS_USAC_H 22 23 #define TNS_MAX_BANDS 49 24 #define TNS_MAX_ORDER 31 25 #define TNS_MAX_WIN 8 26 #define TNS_MAX_FILT 3 27 28 typedef struct { 29 WORD32 start_band; 30 WORD32 stop_band; 31 WORD32 order; 32 WORD32 direction; 33 WORD32 coef_compress; 34 WORD16 coef[TNS_MAX_ORDER]; 35 36 } ia_tns_filter_struct; 37 38 typedef struct { 39 WORD32 n_filt; 40 WORD32 coef_res; 41 ia_tns_filter_struct str_filter[TNS_MAX_FILT]; 42 } ia_tns_info_struct; 43 44 typedef struct { 45 WORD32 n_subblocks; 46 ia_tns_info_struct str_tns_info[TNS_MAX_WIN]; 47 } ia_tns_frame_info_struct; 48 49 #endif /* IXHEAACD_TNS_USAC_H */ 50
