50 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			50 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
| /******************************************************************************
 | |
|  *                                                                            *
 | |
|  * 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_USAC_H
 | |
| #define IXHEAACD_TNS_USAC_H
 | |
| 
 | |
| #define TNS_MAX_BANDS 49
 | |
| #define TNS_MAX_ORDER 31
 | |
| #define TNS_MAX_WIN 8
 | |
| #define TNS_MAX_FILT 3
 | |
| 
 | |
| typedef struct {
 | |
|   WORD32 start_band;
 | |
|   WORD32 stop_band;
 | |
|   WORD32 order;
 | |
|   WORD32 direction;
 | |
|   WORD32 coef_compress;
 | |
|   WORD16 coef[TNS_MAX_ORDER];
 | |
| 
 | |
| } ia_tns_filter_struct;
 | |
| 
 | |
| typedef struct {
 | |
|   WORD32 n_filt;
 | |
|   WORD32 coef_res;
 | |
|   ia_tns_filter_struct str_filter[TNS_MAX_FILT];
 | |
| } ia_tns_info_struct;
 | |
| 
 | |
| typedef struct {
 | |
|   WORD32 n_subblocks;
 | |
|   ia_tns_info_struct str_tns_info[TNS_MAX_WIN];
 | |
| } ia_tns_frame_info_struct;
 | |
| 
 | |
| #endif /* IXHEAACD_TNS_USAC_H */
 |