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/******************************************************************************
* *
* Copyright (C) 2023 The Android Open Source Project
*
* 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.
*
*****************************************************************************
* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
*/
#pragma once
#define LOG2_1 1.442695041f /* 1/log(2) */
VOID iaace_calc_form_fac_per_chan(FLOAT32 *ptr_sfb_form_factor,
FLOAT32 *ptr_sfb_num_relevant_lines,
ixheaace_psy_out_channel *pstr_psy_out_chan,
FLOAT32 *ptr_sfb_ld_energy);
VOID iaace_estimate_scfs_chan(
ixheaace_psy_out_channel **pstr_psy_out_ch,
ixheaace_qc_out_channel **pstr_qc_out_ch,
FLOAT32 sfb_form_factor_ch[IXHEAACE_MAX_CH_IN_BS_ELE][MAXIMUM_GROUPED_SCALE_FACTOR_BAND],
FLOAT32 sfb_num_relevant_lines_ch[][MAXIMUM_GROUPED_SCALE_FACTOR_BAND], WORD32 num_channels,
WORD32 chn, WORD32 frame_len_long);
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