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