35 lines
1.6 KiB
C
35 lines
1.6 KiB
C
/******************************************************************************
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* *
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* Copyright (C) 2023 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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#pragma once
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#define LOG2_1 1.442695041f /* 1/log(2) */
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VOID iaace_calc_form_fac_per_chan(FLOAT32 *ptr_sfb_form_factor,
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FLOAT32 *ptr_sfb_num_relevant_lines,
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ixheaace_psy_out_channel *pstr_psy_out_chan,
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FLOAT32 *ptr_sfb_ld_energy);
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VOID iaace_estimate_scfs_chan(
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ixheaace_psy_out_channel **pstr_psy_out_ch,
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ixheaace_qc_out_channel **pstr_qc_out_ch,
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FLOAT32 sfb_form_factor_ch[IXHEAACE_MAX_CH_IN_BS_ELE][MAXIMUM_GROUPED_SCALE_FACTOR_BAND],
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FLOAT32 sfb_num_relevant_lines_ch[][MAXIMUM_GROUPED_SCALE_FACTOR_BAND], WORD32 num_channels,
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WORD32 chn, WORD32 frame_len_long);
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