mirror of
https://github.com/ittiam-systems/libxaac.git
synced 2026-04-02 20:30:47 +07:00
fe4e685d4c
Significance: ============= - Fixed an issue in the LPD encoding path related to 768-sample frame length - Added error check for the standard sample rates in the USAC profile - Modified impd_drc_config_params.txt file - Updated documents Testing: ========= - smoke-tested on x86, x86_64, Mac, armv7, armv8 and MSVS
49 lines
2.4 KiB
C
49 lines
2.4 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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typedef struct {
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WORD32 sample_rate;
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WORD32 num_sfb_long;
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WORD32 num_sfb_short;
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const WORD16 *cb_offset_long;
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const WORD16 *cb_offset_short;
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WORD32 sfb_width_long[MAX_SFB_LONG];
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WORD32 sfb_width_short[MAX_SFB_SHORT];
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} ia_sfb_info_struct;
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VOID iusace_psy_long_config_init(WORD32 bit_rate, WORD32 sample_rate, WORD32 band_width,
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ia_psy_mod_long_config_struct *pstr_psy_config, WORD32 ccfl);
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VOID iusace_psy_short_config_init(WORD32 bit_rate, WORD32 sample_rate, WORD32 band_width,
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ia_psy_mod_short_config_struct *pstr_psy_config, WORD32 ccfl);
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VOID iusace_calc_band_energy(const FLOAT64 *ptr_spec_coeffs, const WORD32 *band_offset,
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const WORD32 num_bands, FLOAT32 *ptr_band_energy, WORD32 sfb_count);
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VOID iusace_find_max_spreading(const WORD32 sfb_count, const FLOAT32 *ptr_mask_low_fac,
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const FLOAT32 *ptr_mask_high_fac, FLOAT32 *ptr_spreaded_enegry);
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VOID iusace_pre_echo_control(FLOAT32 *ptr_thr_nm1, WORD32 sfb_count, FLOAT32 max_allowed_inc_fac,
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FLOAT32 min_remaining_thr_fac, FLOAT32 *ptr_threshold);
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IA_ERRORCODE iusace_sfb_params_init(WORD32 sample_rate, WORD32 frame_len, WORD32 *ptr_sfb_width,
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WORD32 *num_sfb, WORD32 win_seq);
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WORD32 iusace_map_sample_rate(WORD32 sample_rate);
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IA_ERRORCODE iusace_validate_baseline_profile_sample_rate(WORD32 sample_rate);
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