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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_const.h
Content: Global psychoacoustic constants structures
*******************************************************************************/
#ifndef _PSYCONST_H
#define _PSYCONST_H
#include "config.h"
#define TRUE 1
#define FALSE 0
#define FRAME_LEN_LONG AACENC_BLOCKSIZE
#define TRANS_FAC 8
#define FRAME_LEN_SHORT (FRAME_LEN_LONG/TRANS_FAC)
/* Block types */
enum
{
LONG_WINDOW = 0,
START_WINDOW,
SHORT_WINDOW,
STOP_WINDOW
};
/* Window shapes */
enum
{
SINE_WINDOW = 0,
KBD_WINDOW = 1
};
/*
MS stuff
*/
enum
{
SI_MS_MASK_NONE = 0,
SI_MS_MASK_SOME = 1,
SI_MS_MASK_ALL = 2
};
#define MAX_NO_OF_GROUPS 4
#define MAX_SFB_SHORT 15 /* 15 for a memory optimized implementation, maybe 16 for convenient debugging */
#define MAX_SFB_LONG 51 /* 51 for a memory optimized implementation, maybe 64 for convenient debugging */
#define MAX_SFB (MAX_SFB_SHORT > MAX_SFB_LONG ? MAX_SFB_SHORT : MAX_SFB_LONG) /* = MAX_SFB_LONG */
#define MAX_GROUPED_SFB (MAX_NO_OF_GROUPS*MAX_SFB_SHORT > MAX_SFB_LONG ? \
MAX_NO_OF_GROUPS*MAX_SFB_SHORT : MAX_SFB_LONG)
#define BLOCK_SWITCHING_OFFSET (1*1024+3*128+64+128)
#define BLOCK_SWITCHING_DATA_SIZE FRAME_LEN_LONG
#define TRANSFORM_OFFSET_LONG 0
#define TRANSFORM_OFFSET_SHORT 448
#define LOG_NORM_PCM -15
#define NUM_SAMPLE_RATES 12
#endif /* _PSYCONST_H */
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