b2e7201907
* Removed BUILD_ARM64 macro dependency * Code refactoring * Minor bug fixes Co-authored-by: Divya B M <100655@ittiam.com>
74 lines
2.7 KiB
C
74 lines
2.7 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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#include <math.h>
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#include <stdlib.h>
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#include <string.h>
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#include "ixheaac_type_def.h"
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#include "ixheaac_error_standards.h"
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#include "ixheaace_error_codes.h"
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#include "ixheaace_mps_common_fix.h"
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#include "ixheaace_mps_defines.h"
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#include "ixheaace_mps_common_define.h"
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#include "ixheaace_bitbuffer.h"
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#include "ixheaace_mps_static_gain.h"
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#include "ixheaace_mps_bitstream.h"
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#include "ixheaace_mps_struct_def.h"
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#include "ixheaace_mps_sac_polyphase.h"
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#include "ixheaace_mps_sac_nlc_enc.h"
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#include "ixheaace_mps_sac_hybfilter.h"
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#include "ixheaace_mps_spatial_bitstream.h"
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#include "ixheaace_mps_param_extract.h"
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#include "ixheaace_mps_tree.h"
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#include "ixheaace_mps_rom.h"
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IA_ERRORCODE ixheaace_mps_212_static_gain_init(
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ixheaace_mps_pstr_static_gain pstr_static_gain,
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const ixheaace_mps_pstr_static_gain_config pstr_static_gain_config) {
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IA_ERRORCODE error = IA_NO_ERROR;
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FLOAT32 pre_gain_factor;
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pstr_static_gain->fixed_gain_dmx = pstr_static_gain_config->fixed_gain_dmx;
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pstr_static_gain->pre_gain_factor_db = pstr_static_gain_config->pre_gain_factor_db;
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if ((pstr_static_gain->pre_gain_factor_db < -20) ||
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(pstr_static_gain->pre_gain_factor_db > 20)) {
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return IA_EXHEAACE_CONFIG_NONFATAL_MPS_INVALID_CONFIG;
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}
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if (pstr_static_gain->pre_gain_factor_db) {
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pre_gain_factor = pre_gain_factor_table_flt_new[pstr_static_gain->pre_gain_factor_db + 20];
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} else {
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pre_gain_factor = 1.0f;
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}
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if (pstr_static_gain->fixed_gain_dmx) {
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pstr_static_gain->post_gain = dmx_gain_table_flt[pstr_static_gain->fixed_gain_dmx - 1];
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} else {
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pstr_static_gain->post_gain = 1.0f;
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}
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memset(pstr_static_gain->pre_gain, 0, sizeof(pstr_static_gain->pre_gain));
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pstr_static_gain->pre_gain[0] = pre_gain_factor;
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pstr_static_gain->pre_gain[1] = pre_gain_factor;
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return error;
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}
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