86 lines
2.7 KiB
C
86 lines
2.7 KiB
C
/******************************************************************************
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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_SBRDECSETTINGS_H
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#define IXHEAACD_SBRDECSETTINGS_H
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#define SBR_UPSAMPLE_FAC 2
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#define SBR_UPSAMPLE_IDX_0_0 0
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#define SBR_UPSAMPLE_IDX_2_1 1
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#define SBR_UPSAMPLE_IDX_8_3 2
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#define SBR_UPSAMPLE_IDX_4_1 3
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#define MAX_FRAME_SIZE 1024
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#define QMF_FILTER_STATE_SYN_SIZE 1280
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#define QMF_FILTER_STATE_ANA_SIZE 320
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#define NO_SYNTHESIS_CHANNELS 64
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#define NO_ANALYSIS_CHANNELS (NO_SYNTHESIS_CHANNELS / SBR_UPSAMPLE_FAC)
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#define NO_POLY (QMF_FILTER_STATE_ANA_SIZE / (2 * NO_ANALYSIS_CHANNELS))
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#define NO_SYNTHESIS_CHANNELS_DOWN_SAMPLED (NO_SYNTHESIS_CHANNELS / 2)
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#define QMF_FILTER_STATE_SYN_SIZE_DOWN_SAMPLED (QMF_FILTER_STATE_SYN_SIZE / 2)
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#define NO_SYN_ANA_CHANNELS (NO_SYNTHESIS_CHANNELS - NO_ANALYSIS_CHANNELS)
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#define CALC_STOP_BAND
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#define MAX_NOISE_ENVELOPES 2
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#define MAX_NOISE_COEFFS 5
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#define MAX_NUM_NOISE_VALUES (MAX_NOISE_ENVELOPES * MAX_NOISE_COEFFS)
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#define MAX_NUM_LIMITERS 12
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#define MAX_ENVELOPES_SBR 5
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#define MAX_ENVELOPES 8
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#define MAX_FREQ_COEFFS 56
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#define MAX_FREQ_COEFFS_FS44100 35
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#define MAX_FREQ_COEFFS_FS48000 32
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#define MAX_FREQ_COEFFS_SBR 48
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#define MAX_NUM_ELEMENTS 16
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#define SBR_TIME_STEP 2
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#define MAX_NUM_ENVELOPE_VALUES (MAX_ENVELOPES * MAX_FREQ_COEFFS)
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#define MAX_GAIN_EXP 34
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#define LPC_ORDER 2
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#define MAX_INVF_BANDS MAX_NOISE_COEFFS
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#define MAX_COLS (MAX_FRAME_SIZE / NO_ANALYSIS_CHANNELS)
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#define MAX_OV_COLS 6
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#define MAX_ENV_COLS (MAX_COLS + MAX_OV_COLS)
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#define SBR_FREQ_SCALE_DEFAULT 2
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#define SBR_ALTER_SCALE_DEFAULT 1
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#define SBR_NOISE_BANDS_DEFAULT 2
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#define SBR_LIMITER_BANDS_DEFAULT 2
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#define SBR_LIMITER_GAINS_DEFAULT 2
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#define SBR_INTERPOL_FREQ_DEFAULT 1
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#define SBR_SMOOTHING_LENGTH_DEFAULT 1
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#define SBR_TIME_SLOTS (MAX_COLS / SBR_TIME_STEP)
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#define SBR_OV_SLOTS (MAX_OV_COLS / SBR_TIME_STEP)
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#endif
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