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/*
** Copyright 2003-2010, VisualOn, Inc.
**
** 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.
*/
/*******************************************************************************
File: psy_configuration.h
Content: Psychoaccoustic configuration structure and functions
*******************************************************************************/
#ifndef _PSY_CONFIGURATION_H
#define _PSY_CONFIGURATION_H
#include "typedefs.h"
#include "psy_const.h"
#include "tns.h"
typedef struct{
Word16 sfbCnt;
Word16 sfbActive; /* number of sf bands containing energy after lowpass */
const Word16 *sfbOffset;
Word32 sfbThresholdQuiet[MAX_SFB_LONG];
Word16 maxAllowedIncreaseFactor; /* preecho control */
Word16 minRemainingThresholdFactor;
Word16 lowpassLine;
Word16 sampRateIdx;
Word32 clipEnergy; /* for level dependend tmn */
Word16 ratio;
Word16 sfbMaskLowFactor[MAX_SFB_LONG];
Word16 sfbMaskHighFactor[MAX_SFB_LONG];
Word16 sfbMaskLowFactorSprEn[MAX_SFB_LONG];
Word16 sfbMaskHighFactorSprEn[MAX_SFB_LONG];
Word16 sfbMinSnr[MAX_SFB_LONG]; /* minimum snr (formerly known as bmax) */
TNS_CONFIG tnsConf;
}PSY_CONFIGURATION_LONG; /*Word16 size: 8 + 52 + 102 + 51 + 51 + 51 + 51 + 47 = 515 */
typedef struct{
Word16 sfbCnt;
Word16 sfbActive; /* number of sf bands containing energy after lowpass */
const Word16 *sfbOffset;
Word32 sfbThresholdQuiet[MAX_SFB_SHORT];
Word16 maxAllowedIncreaseFactor; /* preecho control */
Word16 minRemainingThresholdFactor;
Word16 lowpassLine;
Word16 sampRateIdx;
Word32 clipEnergy; /* for level dependend tmn */
Word16 ratio;
Word16 sfbMaskLowFactor[MAX_SFB_SHORT];
Word16 sfbMaskHighFactor[MAX_SFB_SHORT];
Word16 sfbMaskLowFactorSprEn[MAX_SFB_SHORT];
Word16 sfbMaskHighFactorSprEn[MAX_SFB_SHORT];
Word16 sfbMinSnr[MAX_SFB_SHORT]; /* minimum snr (formerly known as bmax) */
TNS_CONFIG tnsConf;
}PSY_CONFIGURATION_SHORT; /*Word16 size: 8 + 16 + 16 + 16 + 16 + 16 + 16 + 16 + 47 = 167 */
/* Returns the sample rate index */
Word32 GetSRIndex(Word32 sampleRate);
Word16 InitPsyConfigurationLong(Word32 bitrate,
Word32 samplerate,
Word16 bandwidth,
PSY_CONFIGURATION_LONG *psyConf);
Word16 InitPsyConfigurationShort(Word32 bitrate,
Word32 samplerate,
Word16 bandwidth,
PSY_CONFIGURATION_SHORT *psyConf);
#endif /* _PSY_CONFIGURATION_H */
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