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108 lines
3.1 KiB
C
108 lines
3.1 KiB
C
/*
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** Copyright 2003-2010, VisualOn, Inc.
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**
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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**
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** http://www.apache.org/licenses/LICENSE-2.0
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**
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*/
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/*******************************************************************************
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File: psy_configuration.h
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Content: Psychoaccoustic configuration structure and functions
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*******************************************************************************/
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#ifndef _PSY_CONFIGURATION_H
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#define _PSY_CONFIGURATION_H
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#include "typedefs.h"
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#include "psy_const.h"
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#include "tns.h"
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typedef struct{
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Word16 sfbCnt;
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Word16 sfbActive; /* number of sf bands containing energy after lowpass */
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const Word16 *sfbOffset;
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Word32 sfbThresholdQuiet[MAX_SFB_LONG];
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Word16 maxAllowedIncreaseFactor; /* preecho control */
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Word16 minRemainingThresholdFactor;
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Word16 lowpassLine;
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Word16 sampRateIdx;
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Word32 clipEnergy; /* for level dependend tmn */
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Word16 ratio;
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Word16 sfbMaskLowFactor[MAX_SFB_LONG];
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Word16 sfbMaskHighFactor[MAX_SFB_LONG];
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Word16 sfbMaskLowFactorSprEn[MAX_SFB_LONG];
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Word16 sfbMaskHighFactorSprEn[MAX_SFB_LONG];
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Word16 sfbMinSnr[MAX_SFB_LONG]; /* minimum snr (formerly known as bmax) */
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TNS_CONFIG tnsConf;
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}PSY_CONFIGURATION_LONG; /*Word16 size: 8 + 52 + 102 + 51 + 51 + 51 + 51 + 47 = 515 */
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typedef struct{
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Word16 sfbCnt;
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Word16 sfbActive; /* number of sf bands containing energy after lowpass */
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const Word16 *sfbOffset;
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Word32 sfbThresholdQuiet[MAX_SFB_SHORT];
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Word16 maxAllowedIncreaseFactor; /* preecho control */
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Word16 minRemainingThresholdFactor;
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Word16 lowpassLine;
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Word16 sampRateIdx;
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Word32 clipEnergy; /* for level dependend tmn */
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Word16 ratio;
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Word16 sfbMaskLowFactor[MAX_SFB_SHORT];
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Word16 sfbMaskHighFactor[MAX_SFB_SHORT];
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Word16 sfbMaskLowFactorSprEn[MAX_SFB_SHORT];
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Word16 sfbMaskHighFactorSprEn[MAX_SFB_SHORT];
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Word16 sfbMinSnr[MAX_SFB_SHORT]; /* minimum snr (formerly known as bmax) */
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TNS_CONFIG tnsConf;
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}PSY_CONFIGURATION_SHORT; /*Word16 size: 8 + 16 + 16 + 16 + 16 + 16 + 16 + 16 + 47 = 167 */
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/* Returns the sample rate index */
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Word32 GetSRIndex(Word32 sampleRate);
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Word16 InitPsyConfigurationLong(Word32 bitrate,
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Word32 samplerate,
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Word16 bandwidth,
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PSY_CONFIGURATION_LONG *psyConf);
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Word16 InitPsyConfigurationShort(Word32 bitrate,
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Word32 samplerate,
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Word16 bandwidth,
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PSY_CONFIGURATION_SHORT *psyConf);
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#endif /* _PSY_CONFIGURATION_H */
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