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      1 /*
      2  ** Copyright 2003-2010, VisualOn, Inc.
      3  **
      4  ** Licensed under the Apache License, Version 2.0 (the "License");
      5  ** you may not use this file except in compliance with the License.
      6  ** You may obtain a copy of the License at
      7  **
      8  **     http://www.apache.org/licenses/LICENSE-2.0
      9  **
     10  ** Unless required by applicable law or agreed to in writing, software
     11  ** distributed under the License is distributed on an "AS IS" BASIS,
     12  ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  ** See the License for the specific language governing permissions and
     14  ** limitations under the License.
     15  */
     16 /*******************************************************************************
     17 	File:		tns_param.h
     18 
     19 	Content:	TNS parameters
     20 
     21 *******************************************************************************/
     22 
     23 /*
     24    TNS parameters
     25  */
     26 #ifndef _TNS_PARAM_H
     27 #define _TNS_PARAM_H
     28 
     29 #include "tns.h"
     30 
     31 typedef struct{
     32   Word32 samplingRate;
     33   Word16 maxBandLong;
     34   Word16 maxBandShort;
     35 }TNS_MAX_TAB_ENTRY;
     36 
     37 typedef struct{
     38     Word32 bitRateFrom;
     39     Word32 bitRateTo;
     40     const TNS_CONFIG_TABULATED *paramMono_Long;  /* contains TNS parameters */
     41     const TNS_CONFIG_TABULATED *paramMono_Short;
     42     const TNS_CONFIG_TABULATED *paramStereo_Long;
     43     const TNS_CONFIG_TABULATED *paramStereo_Short;
     44 }TNS_INFO_TAB;
     45 
     46 
     47 void GetTnsParam(TNS_CONFIG_TABULATED *tnsConfigTab,
     48                  Word32 bitRate, Word16 channels, Word16 blockType);
     49 
     50 void GetTnsMaxBands(Word32 samplingRate, Word16 blockType, Word16* tnsMaxSfb);
     51 
     52 #endif /* _TNS_PARAM_H */
     53