/******************************************************************************
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* *
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* Copyright (C) 2018 The Android Open Source Project
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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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* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
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*/
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#ifndef IXHEAACD_CNST_H
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#define IXHEAACD_CNST_H
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#define MAX_ELEMENTS 68
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#define LEN_SUPERFRAME 1024
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#define LEN_FRAME 256
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#define NUM_FRAMES 4
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#define MAX_NUM_SUBFR 4
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#define ORDER 16
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#define ORDER_BY_2 (ORDER / 2)
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#define FAC_LENGTH 128
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#define NUM_SUBFR_SUPERFRAME 16
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#define NUM_SUBFR_SUPERFRAME_BY2 (NUM_SUBFR_SUPERFRAME / 2)
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#define SYNTH_DELAY_LMAX ((NUM_SUBFR_SUPERFRAME_BY2 - 1) * LEN_SUBFR)
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#define FSCALE_DENOM 12800
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#define FAC_FSCALE_MAX 24000
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#define FAC_FSCALE_MIN 6000
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#define FILTER_DELAY 12
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#define TMIN 34
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#define TFR2 (162 - TMIN)
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#define TFR1 160
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#define TMAX (27 + 6 * TMIN)
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#define UP_SAMP 4
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#define INTER_LP_FIL_ORDER 16
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#define INTER_LP_FIL_LEN (UP_SAMP * INTER_LP_FIL_ORDER + 1)
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#define MAX_PITCH \
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(TMAX + \
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(6 * \
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((((FAC_FSCALE_MAX * TMIN) + (FSCALE_DENOM / 2)) / FSCALE_DENOM) - TMIN)))
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#define PI 3.14159265358979323846264338327950288
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#define PREEMPH_FILT_FAC 0.68f
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#define PREEMPH_FAC_FIX 44564
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#define IGAMMA1 1975684956
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#define TILT_CODE 0.3f
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#define BLOCK_LEN_LONG 1024
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#define BLOCK_LEN_SHORT 128
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#define BLOCK_LEN_LONG_S 960
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#define BLOCK_LEN_SHORT_S 120
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#define WIN_LEN_1024 1024
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#define WIN_LEN_768 768
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#define WIN_LEN_512 512
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#define WIN_LEN_192 192
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#define WIN_LEN_128 128
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#define WIN_LEN_960 960
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#define WIN_LEN_480 480
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#define WIN_LEN_256 256
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#define WIN_LEN_120 120
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#define WIN_LEN_96 96
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#define WIN_LEN_64 64
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#define WIN_LEN_48 48
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#define WIN_LEN_16 16
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#define WIN_LEN_4 4
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#define TW_IPLEN2S 12
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#define TW_OS_FACTOR_WIN 16
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#define WIN_SEL_0 0
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#define WIN_SEL_1 1
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#define WIN_SEL_2 2
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#define NUM_TW_NODES 16
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#define CORE_MODE_FD 0
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#define ONLY_LONG_SEQUENCE 0
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#define LONG_START_SEQUENCE 1
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#define EIGHT_SHORT_SEQUENCE 2
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#define LONG_STOP_SEQUENCE 3
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#define STOP_START_SEQUENCE 4
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#define NUM_WIN_SEQ 5
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#define NSFB_SHORT 16
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#define MAX_SHORT_IN_LONG_BLOCK 8
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#define MAX_SHORT_WINDOWS 8
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#define MAX_NUM_CHANNELS 6
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#define MAX_NUM_CHANNELS_USAC_LVL2 2
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#define SFB_NUM_MAX ((NSFB_SHORT + 1) * MAX_SHORT_IN_LONG_BLOCK)
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#define MAX_31 (WORD32)0x3FFFFFFF
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#define MIN_31 (WORD32)0xC0000000
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#define LEN_SUBFR 64
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#define SFB_PER_PRED_BAND 2
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#endif /* IXHEAACD_CNST_H */
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