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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_data.h
Content: Psychoacoustic data and structures
*******************************************************************************/
#ifndef _PSY_DATA_H
#define _PSY_DATA_H
#include "block_switch.h"
#include "tns.h"
/*
the structs can be implemented as unions
*/
typedef struct{
Word32 sfbLong[MAX_GROUPED_SFB];
Word32 sfbShort[TRANS_FAC][MAX_SFB_SHORT];
}SFB_THRESHOLD; /* Word16 size: 260 */
typedef struct{
Word32 sfbLong[MAX_GROUPED_SFB];
Word32 sfbShort[TRANS_FAC][MAX_SFB_SHORT];
}SFB_ENERGY; /* Word16 size: 260 */
typedef struct{
Word32 sfbLong;
Word32 sfbShort[TRANS_FAC];
}SFB_ENERGY_SUM; /* Word16 size: 18 */
typedef struct{
BLOCK_SWITCHING_CONTROL blockSwitchingControl; /* block switching */
Word16 *mdctDelayBuffer; /* mdct delay buffer [BLOCK_SWITCHING_OFFSET]*/
Word32 sfbThresholdnm1[MAX_SFB]; /* PreEchoControl */
Word16 mdctScalenm1; /* scale of last block's mdct (PreEchoControl) */
SFB_THRESHOLD sfbThreshold; /* adapt */
SFB_ENERGY sfbEnergy; /* sfb Energy */
SFB_ENERGY sfbEnergyMS;
SFB_ENERGY_SUM sfbEnergySum;
SFB_ENERGY_SUM sfbEnergySumMS;
SFB_ENERGY sfbSpreadedEnergy;
Word32 *mdctSpectrum; /* mdct spectrum [FRAME_LEN_LONG] */
Word16 mdctScale; /* scale of mdct */
}PSY_DATA; /* Word16 size: 4 + 87 + 102 + 360 + 360 + 360 + 18 + 18 + 360 = 1669 */
#endif /* _PSY_DATA_H */
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