088122e748
* Combined Workspace for Encoder and Decoder * Addressed review comments and some minor edits --------- Co-authored-by: Divya B M <100655@ittiam.com>
83 lines
3.3 KiB
C
83 lines
3.3 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 db_lin_scale(a) pow(10.0f, (a) * (FLOAT32)0.1f)
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#ifndef C_RATIO
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#define C_RATIO 0.001258925f /* pow(10.0f, -(29.0f/10.0f)) */
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#endif
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#define SNR_FLOAT .0001f /* 0.0001 ie. pow(10.0f, -(40.0f/10.0f)) */
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#define MAX_BARK_VALUE (24.0f)
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#define MASK_LOW_FAC (3.0f)
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#define MASK_HIGH_FAC (1.5f)
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#define MASK_LOW_SP_ENERGY_L (3.0f)
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#define MASK_HIGH_SP_ENERGY_L (2.0f)
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#define MASK_HIGH_SP_ENERGY_L_LBR (1.5f)
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#define MASK_LOW_SP_ENERGY_S (2.0f)
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#define MASK_HIGH_SP_ENERGY_S (1.5f)
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#define MASK_HIGH_SP_BITRATE_THRESH (22000)
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typedef struct {
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WORD32 sfb_cnt;
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WORD32 sfb_active;
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WORD32 sfb_offsets[MAXIMUM_SCALE_FACTOR_BAND_LONG + 1];
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FLOAT32 sfb_threshold_quiet[MAXIMUM_SCALE_FACTOR_BAND_LONG];
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FLOAT32 min_remaining_threshold_factor;
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WORD32 lowpass_line;
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FLOAT32 clip_energy;
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FLOAT32 ratio_float;
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FLOAT32 sfb_mask_low_factor[MAXIMUM_SCALE_FACTOR_BAND_LONG];
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FLOAT32 sfb_mask_high_factor[MAXIMUM_SCALE_FACTOR_BAND_LONG];
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FLOAT32 sfb_mask_low_factor_spread_nrg[MAXIMUM_SCALE_FACTOR_BAND_LONG];
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FLOAT32 sfb_mask_high_factor_spread_nrg[MAXIMUM_SCALE_FACTOR_BAND_LONG];
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FLOAT32 sfb_min_snr[MAXIMUM_SCALE_FACTOR_BAND_LONG];
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ixheaace_temporal_noise_shaping_config str_tns_conf;
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} ixheaace_psy_configuration_long;
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typedef struct {
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WORD32 sfb_cnt;
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WORD32 sfb_active;
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WORD32 sfb_offsets[MAXIMUM_SCALE_FACTOR_BAND_SHORT + 1];
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FLOAT32 sfb_threshold_quiet[MAXIMUM_SCALE_FACTOR_BAND_SHORT];
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FLOAT32 min_remaining_threshold_factor;
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WORD32 lowpass_line;
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FLOAT32 clip_energy;
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FLOAT32 ratio_float;
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FLOAT32 sfb_mask_low_factor[MAXIMUM_SCALE_FACTOR_BAND_SHORT];
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FLOAT32 sfb_mask_high_factor[MAXIMUM_SCALE_FACTOR_BAND_SHORT];
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FLOAT32 sfb_mask_low_factor_spread_nrg[MAXIMUM_SCALE_FACTOR_BAND_SHORT];
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FLOAT32 sfb_mask_high_factor_spread_nrg[MAXIMUM_SCALE_FACTOR_BAND_SHORT];
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FLOAT32 sfb_min_snr[MAXIMUM_SCALE_FACTOR_BAND_SHORT];
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ixheaace_temporal_noise_shaping_config str_tns_conf;
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} ixheaace_psy_configuration_short;
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IA_ERRORCODE ia_enhaacplus_enc_init_psy_configuration(
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WORD32 bit_rate, WORD32 sample_rate, WORD32 bandwidth, WORD32 aot,
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ixheaace_psy_configuration_long *pstr_psy_conf, ixheaace_aac_tables *pstr_aac_tables,
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WORD32 long_frame_len);
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IA_ERRORCODE ia_enhaacplus_enc_init_psy_configuration_short(
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WORD32 bit_rate, WORD32 sample_rate, WORD32 bandwidth, WORD32 aot,
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ixheaace_psy_configuration_short *pstr_psy_conf, ixheaace_aac_tables *pstr_aac_tables,
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WORD32 long_frame_len);
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